--- /dev/null
+TI SoC Ethernet Switch Controller Device Tree Bindings
+------------------------------------------------------
+
+Required properties:
+- compatible : Should be "ti,cpsw"
+- reg : physical base address and size of the cpsw
+ registers map
+- interrupts : property with a value describing the interrupt
+ number
+- interrupt-parent : The parent interrupt controller
+- cpdma_channels : Specifies number of channels in CPDMA
+- host_port_no : Specifies host port shift
+- cpdma_reg_ofs : Specifies CPDMA submodule register offset
+- cpdma_sram_ofs : Specifies CPDMA SRAM offset
+- ale_reg_ofs : Specifies ALE submodule register offset
+- ale_entries : Specifies No of entries ALE can hold
+- host_port_reg_ofs : Specifies host port register offset
+- hw_stats_reg_ofs : Specifies hardware statistics register offset
+- bd_ram_ofs : Specifies internal desciptor RAM offset
+- bd_ram_size : Specifies internal descriptor RAM size
+- rx_descs : Specifies number of Rx descriptors
+- mac_control : Specifies Default MAC control register content
+ for the specific platform
+- slaves : Specifies number for slaves
+- slave_reg_ofs : Specifies slave register offset
+- sliver_reg_ofs : Specifies slave sliver register offset
+- phy_id : Specifies slave phy id
+- mac-address : Specifies slave MAC address
+
+Optional properties:
+- ti,hwmods : Must be "cpgmac0"
+- no_bd_ram : Must be 0 or 1
+
+Note: "ti,hwmods" field is used to fetch the base address and irq
+resources from TI, omap hwmod data base during device registration.
+Future plan is to migrate hwmod data base contents into device tree
+blob so that, all the required data will be used from device tree dts
+file.
+
+Examples:
+
+ mac: ethernet@4A100000 {
+ compatible = "ti,cpsw";
+ reg = <0x4A100000 0x1000>;
+ interrupts = <55 0x4>;
+ interrupt-parent = <&intc>;
+ cpdma_channels = <8>;
+ host_port_no = <0>;
+ cpdma_reg_ofs = <0x800>;
+ cpdma_sram_ofs = <0xa00>;
+ ale_reg_ofs = <0xd00>;
+ ale_entries = <1024>;
+ host_port_reg_ofs = <0x108>;
+ hw_stats_reg_ofs = <0x900>;
+ bd_ram_ofs = <0x2000>;
+ bd_ram_size = <0x2000>;
+ no_bd_ram = <0>;
+ rx_descs = <64>;
+ mac_control = <0x20>;
+ slaves = <2>;
+ cpsw_emac0: slave@0 {
+ slave_reg_ofs = <0x208>;
+ sliver_reg_ofs = <0xd80>;
+ phy_id = "davinci_mdio.16:00";
+ /* Filled in by U-Boot */
+ mac-address = [ 00 00 00 00 00 00 ];
+ };
+ cpsw_emac1: slave@1 {
+ slave_reg_ofs = <0x308>;
+ sliver_reg_ofs = <0xdc0>;
+ phy_id = "davinci_mdio.16:01";
+ /* Filled in by U-Boot */
+ mac-address = [ 00 00 00 00 00 00 ];
+ };
+ };
+
+(or)
+ mac: ethernet@4A100000 {
+ compatible = "ti,cpsw";
+ ti,hwmods = "cpgmac0";
+ cpdma_channels = <8>;
+ host_port_no = <0>;
+ cpdma_reg_ofs = <0x800>;
+ cpdma_sram_ofs = <0xa00>;
+ ale_reg_ofs = <0xd00>;
+ ale_entries = <1024>;
+ host_port_reg_ofs = <0x108>;
+ hw_stats_reg_ofs = <0x900>;
+ bd_ram_ofs = <0x2000>;
+ bd_ram_size = <0x2000>;
+ no_bd_ram = <0>;
+ rx_descs = <64>;
+ mac_control = <0x20>;
+ slaves = <2>;
+ cpsw_emac0: slave@0 {
+ slave_reg_ofs = <0x208>;
+ sliver_reg_ofs = <0xd80>;
+ phy_id = "davinci_mdio.16:00";
+ /* Filled in by U-Boot */
+ mac-address = [ 00 00 00 00 00 00 ];
+ };
+ cpsw_emac1: slave@1 {
+ slave_reg_ofs = <0x308>;
+ sliver_reg_ofs = <0xdc0>;
+ phy_id = "davinci_mdio.16:01";
+ /* Filled in by U-Boot */
+ mac-address = [ 00 00 00 00 00 00 ];
+ };
+ };
--- /dev/null
+TI SoC Davinci MDIO Controller Device Tree Bindings
+---------------------------------------------------
+
+Required properties:
+- compatible : Should be "ti,davinci_mdio"
+- reg : physical base address and size of the davinci mdio
+ registers map
+- bus_freq : Mdio Bus frequency
+
+Optional properties:
+- ti,hwmods : Must be "davinci_mdio"
+
+Note: "ti,hwmods" field is used to fetch the base address and irq
+resources from TI, omap hwmod data base during device registration.
+Future plan is to migrate hwmod data base contents into device tree
+blob so that, all the required data will be used from device tree dts
+file.
+
+Examples:
+
+ mdio: davinci_mdio@4A101000 {
+ compatible = "ti,cpsw";
+ reg = <0x4A101000 0x1000>;
+ bus_freq = <1000000>;
+ };
+
+(or)
+
+ mdio: davinci_mdio@4A101000 {
+ compatible = "ti,cpsw";
+ ti,hwmods = "davinci_mdio";
+ bus_freq = <1000000>;
+ };
--- /dev/null
+Properties for an MDIO bus multiplexer controlled by a memory-mapped device
+
+This is a special case of a MDIO bus multiplexer. A memory-mapped device,
+like an FPGA, is used to control which child bus is connected. The mdio-mux
+node must be a child of the memory-mapped device. The driver currently only
+supports devices with eight-bit registers.
+
+Required properties in addition to the generic multiplexer properties:
+
+- compatible : string, must contain "mdio-mux-mmioreg"
+
+- reg : integer, contains the offset of the register that controls the bus
+ multiplexer. The size field in the 'reg' property is the size of
+ register, and must therefore be 1.
+
+- mux-mask : integer, contains an eight-bit mask that specifies which
+ bits in the register control the actual bus multiplexer. The
+ 'reg' property of each child mdio-mux node must be constrained by
+ this mask.
+
+Example:
+
+The FPGA node defines a memory-mapped FPGA with a register space of 0x30 bytes.
+For the "EMI2" MDIO bus, register 9 (BRDCFG1) controls the mux on that bus.
+A bitmask of 0x6 means that bits 1 and 2 (bit 0 is lsb) are the bits on
+BRDCFG1 that control the actual mux.
+
+ /* The FPGA node */
+ fpga: board-control@3,0 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "fsl,p5020ds-fpga", "fsl,fpga-ngpixis";
+ reg = <3 0 0x30>;
+ ranges = <0 3 0 0x30>;
+
+ mdio-mux-emi2 {
+ compatible = "mdio-mux-mmioreg", "mdio-mux";
+ mdio-parent-bus = <&xmdio0>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <9 1>; // BRDCFG1
+ mux-mask = <0x6>; // EMI2
+
+ emi2_slot1: mdio@0 { // Slot 1 XAUI (FM2)
+ reg = <0>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ phy_xgmii_slot1: ethernet-phy@0 {
+ compatible = "ethernet-phy-ieee802.3-c45";
+ reg = <4>;
+ };
+ };
+
+ emi2_slot2: mdio@2 { // Slot 2 XAUI (FM1)
+ reg = <2>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ phy_xgmii_slot2: ethernet-phy@4 {
+ compatible = "ethernet-phy-ieee802.3-c45";
+ reg = <0>;
+ };
+ };
+ };
+ };
+
+ /* The parent MDIO bus. */
+ xmdio0: mdio@f1000 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "fsl,fman-xmdio";
+ reg = <0xf1000 0x1000>;
+ interrupts = <100 1 0 0>;
+ };
There is a special folder for debugging information:
-# ls /sys/kernel/debug/batman_adv/bat0/
-# bla_claim_table log socket transtable_local
-# gateways originators transtable_global vis_data
+# ls /sys/kernel/debug/batman_adv/bat0/
+# bla_backbone_table log transtable_global
+# bla_claim_table originators transtable_local
+# gateways socket vis_data
Some of the files contain all sort of status information regard-
ing the mesh network. For example, you can view the table of
protocol information to generate the hash.
Uses XOR of hardware MAC addresses and IP addresses to
- generate the hash. The formula is
+ generate the hash. The IPv4 formula is
(((source IP XOR dest IP) AND 0xffff) XOR
( source MAC XOR destination MAC ))
modulo slave count
+ The IPv6 formula is
+
+ hash = (source ip quad 2 XOR dest IP quad 2) XOR
+ (source ip quad 3 XOR dest IP quad 3) XOR
+ (source ip quad 4 XOR dest IP quad 4)
+
+ (((hash >> 24) XOR (hash >> 16) XOR (hash >> 8) XOR hash)
+ XOR (source MAC XOR destination MAC))
+ modulo slave count
+
This algorithm will place all traffic to a particular
network peer on the same slave. For non-IP traffic,
the formula is the same as for the layer2 transmit
slaves, although a single connection will not span
multiple slaves.
- The formula for unfragmented TCP and UDP packets is
+ The formula for unfragmented IPv4 TCP and UDP packets is
((source port XOR dest port) XOR
((source IP XOR dest IP) AND 0xffff)
modulo slave count
- For fragmented TCP or UDP packets and all other IP
- protocol traffic, the source and destination port
+ The formula for unfragmented IPv6 TCP and UDP packets is
+
+ hash = (source port XOR dest port) XOR
+ ((source ip quad 2 XOR dest IP quad 2) XOR
+ (source ip quad 3 XOR dest IP quad 3) XOR
+ (source ip quad 4 XOR dest IP quad 4))
+
+ ((hash >> 24) XOR (hash >> 16) XOR (hash >> 8) XOR hash)
+ modulo slave count
+
+ For fragmented TCP or UDP packets and all other IPv4 and
+ IPv6 protocol traffic, the source and destination port
information is omitted. For non-IP traffic, the
formula is the same as for the layer2 transmit hash
policy.
- This policy is intended to mimic the behavior of
+ The IPv4 policy is intended to mimic the behavior of
certain switches, notably Cisco switches with PFC2 as
well as some Foundry and IBM products.
obj-$(CONFIG_VLYNQ) += vlynq/
obj-$(CONFIG_STAGING) += staging/
obj-y += platform/
-obj-y += ieee802154/
#common clk code
obj-y += clk/
config BCMA_SFLASH
bool
- depends on BCMA_DRIVER_MIPS && BROKEN
+ depends on BCMA_DRIVER_MIPS
default y
config BCMA_NFLASH
bool
- depends on BCMA_DRIVER_MIPS && BROKEN
+ depends on BCMA_DRIVER_MIPS
default y
config BCMA_DRIVER_GMAC_CMN
#ifdef CONFIG_BCMA_SFLASH
/* driver_chipcommon_sflash.c */
int bcma_sflash_init(struct bcma_drv_cc *cc);
+extern struct platform_device bcma_sflash_dev;
#else
static inline int bcma_sflash_init(struct bcma_drv_cc *cc)
{
#ifdef CONFIG_BCMA_NFLASH
/* driver_chipcommon_nflash.c */
int bcma_nflash_init(struct bcma_drv_cc *cc);
+extern struct platform_device bcma_nflash_dev;
#else
static inline int bcma_nflash_init(struct bcma_drv_cc *cc)
{
* Licensed under the GNU/GPL. See COPYING for details.
*/
+#include <linux/platform_device.h>
#include <linux/bcma/bcma.h>
-#include <linux/bcma/bcma_driver_chipcommon.h>
-#include <linux/delay.h>
#include "bcma_private.h"
+struct platform_device bcma_nflash_dev = {
+ .name = "bcma_nflash",
+ .num_resources = 0,
+};
+
/* Initialize NAND flash access */
int bcma_nflash_init(struct bcma_drv_cc *cc)
{
- bcma_err(cc->core->bus, "NAND flash support is broken\n");
+ struct bcma_bus *bus = cc->core->bus;
+
+ if (bus->chipinfo.id != BCMA_CHIP_ID_BCM4706 &&
+ cc->core->id.rev != 0x38) {
+ bcma_err(bus, "NAND flash on unsupported board!\n");
+ return -ENOTSUPP;
+ }
+
+ if (!(cc->capabilities & BCMA_CC_CAP_NFLASH)) {
+ bcma_err(bus, "NAND flash not present according to ChipCommon\n");
+ return -ENODEV;
+ }
+
+ cc->nflash.present = true;
+
+ /* Prepare platform device, but don't register it yet. It's too early,
+ * malloc (required by device_private_init) is not available yet. */
+ bcma_nflash_dev.dev.platform_data = &cc->nflash;
+
return 0;
}
bcma_cc_write32(cc, BCMA_CC_CHIPCTL, val);
}
-void bcma_pmu_workarounds(struct bcma_drv_cc *cc)
+static void bcma_pmu_workarounds(struct bcma_drv_cc *cc)
{
struct bcma_bus *bus = cc->core->bus;
}
/* query bus clock frequency for PMU-enabled chipcommon */
-u32 bcma_pmu_get_clockcontrol(struct bcma_drv_cc *cc)
+static u32 bcma_pmu_get_clockcontrol(struct bcma_drv_cc *cc)
{
struct bcma_bus *bus = cc->core->bus;
* Licensed under the GNU/GPL. See COPYING for details.
*/
+#include <linux/platform_device.h>
#include <linux/bcma/bcma.h>
-#include <linux/bcma/bcma_driver_chipcommon.h>
-#include <linux/delay.h>
#include "bcma_private.h"
+static struct resource bcma_sflash_resource = {
+ .name = "bcma_sflash",
+ .start = BCMA_SFLASH,
+ .end = 0,
+ .flags = IORESOURCE_MEM | IORESOURCE_READONLY,
+};
+
+struct platform_device bcma_sflash_dev = {
+ .name = "bcma_sflash",
+ .resource = &bcma_sflash_resource,
+ .num_resources = 1,
+};
+
+struct bcma_sflash_tbl_e {
+ char *name;
+ u32 id;
+ u32 blocksize;
+ u16 numblocks;
+};
+
+static struct bcma_sflash_tbl_e bcma_sflash_st_tbl[] = {
+ { "", 0x14, 0x10000, 32, },
+ { 0 },
+};
+
+static struct bcma_sflash_tbl_e bcma_sflash_sst_tbl[] = {
+ { 0 },
+};
+
+static struct bcma_sflash_tbl_e bcma_sflash_at_tbl[] = {
+ { 0 },
+};
+
+static void bcma_sflash_cmd(struct bcma_drv_cc *cc, u32 opcode)
+{
+ int i;
+ bcma_cc_write32(cc, BCMA_CC_FLASHCTL,
+ BCMA_CC_FLASHCTL_START | opcode);
+ for (i = 0; i < 1000; i++) {
+ if (!(bcma_cc_read32(cc, BCMA_CC_FLASHCTL) &
+ BCMA_CC_FLASHCTL_BUSY))
+ return;
+ cpu_relax();
+ }
+ bcma_err(cc->core->bus, "SFLASH control command failed (timeout)!\n");
+}
+
/* Initialize serial flash access */
int bcma_sflash_init(struct bcma_drv_cc *cc)
{
- bcma_err(cc->core->bus, "Serial flash support is broken\n");
+ struct bcma_bus *bus = cc->core->bus;
+ struct bcma_sflash *sflash = &cc->sflash;
+ struct bcma_sflash_tbl_e *e;
+ u32 id, id2;
+
+ switch (cc->capabilities & BCMA_CC_CAP_FLASHT) {
+ case BCMA_CC_FLASHT_STSER:
+ bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_ST_DP);
+
+ bcma_cc_write32(cc, BCMA_CC_FLASHADDR, 0);
+ bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_ST_RES);
+ id = bcma_cc_read32(cc, BCMA_CC_FLASHDATA);
+
+ bcma_cc_write32(cc, BCMA_CC_FLASHADDR, 1);
+ bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_ST_RES);
+ id2 = bcma_cc_read32(cc, BCMA_CC_FLASHDATA);
+
+ switch (id) {
+ case 0xbf:
+ for (e = bcma_sflash_sst_tbl; e->name; e++) {
+ if (e->id == id2)
+ break;
+ }
+ break;
+ default:
+ for (e = bcma_sflash_st_tbl; e->name; e++) {
+ if (e->id == id)
+ break;
+ }
+ break;
+ }
+ if (!e->name) {
+ bcma_err(bus, "Unsupported ST serial flash (id: 0x%X, id2: 0x%X)\n", id, id2);
+ return -ENOTSUPP;
+ }
+
+ break;
+ case BCMA_CC_FLASHT_ATSER:
+ bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_AT_STATUS);
+ id = bcma_cc_read32(cc, BCMA_CC_FLASHDATA) & 0x3c;
+
+ for (e = bcma_sflash_at_tbl; e->name; e++) {
+ if (e->id == id)
+ break;
+ }
+ if (!e->name) {
+ bcma_err(bus, "Unsupported Atmel serial flash (id: 0x%X)\n", id);
+ return -ENOTSUPP;
+ }
+
+ break;
+ default:
+ bcma_err(bus, "Unsupported flash type\n");
+ return -ENOTSUPP;
+ }
+
+ sflash->window = BCMA_SFLASH;
+ sflash->blocksize = e->blocksize;
+ sflash->numblocks = e->numblocks;
+ sflash->size = sflash->blocksize * sflash->numblocks;
+ sflash->present = true;
+
+ bcma_info(bus, "Found %s serial flash (size: %dKiB, blocksize: 0x%X, blocks: %d)\n",
+ e->name, sflash->size / 1024, sflash->blocksize,
+ sflash->numblocks);
+
+ /* Prepare platform device, but don't register it yet. It's too early,
+ * malloc (required by device_private_init) is not available yet. */
+ bcma_sflash_dev.resource[0].end = bcma_sflash_dev.resource[0].start +
+ sflash->size;
+ bcma_sflash_dev.dev.platform_data = sflash;
+
return 0;
}
}
#ifdef CONFIG_BCMA_BLOCKIO
-void bcma_host_pci_block_read(struct bcma_device *core, void *buffer,
- size_t count, u16 offset, u8 reg_width)
+static void bcma_host_pci_block_read(struct bcma_device *core, void *buffer,
+ size_t count, u16 offset, u8 reg_width)
{
void __iomem *addr = core->bus->mmio + offset;
if (core->bus->mapped_core != core)
}
}
-void bcma_host_pci_block_write(struct bcma_device *core, const void *buffer,
- size_t count, u16 offset, u8 reg_width)
+static void bcma_host_pci_block_write(struct bcma_device *core,
+ const void *buffer, size_t count,
+ u16 offset, u8 reg_width)
{
void __iomem *addr = core->bus->mmio + offset;
if (core->bus->mapped_core != core)
iowrite32(value, core->bus->mmio + (1 * BCMA_CORE_SIZE) + offset);
}
-const struct bcma_host_ops bcma_host_pci_ops = {
+static const struct bcma_host_ops bcma_host_pci_ops = {
.read8 = bcma_host_pci_read8,
.read16 = bcma_host_pci_read16,
.read32 = bcma_host_pci_read32,
writel(value, core->io_wrap + offset);
}
-const struct bcma_host_ops bcma_host_soc_ops = {
+static const struct bcma_host_ops bcma_host_soc_ops = {
.read8 = bcma_host_soc_read8,
.read16 = bcma_host_soc_read16,
.read32 = bcma_host_soc_read32,
#include "bcma_private.h"
#include <linux/module.h>
+#include <linux/platform_device.h>
#include <linux/bcma/bcma.h>
#include <linux/slab.h>
dev_id++;
}
+#ifdef CONFIG_BCMA_SFLASH
+ if (bus->drv_cc.sflash.present) {
+ err = platform_device_register(&bcma_sflash_dev);
+ if (err)
+ bcma_err(bus, "Error registering serial flash\n");
+ }
+#endif
+
+#ifdef CONFIG_BCMA_NFLASH
+ if (bus->drv_cc.nflash.present) {
+ err = platform_device_register(&bcma_nflash_dev);
+ if (err)
+ bcma_err(bus, "Error registering NAND flash\n");
+ }
+#endif
+
return 0;
}
if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
return -ENODEV;
- data = kzalloc(sizeof(*data), GFP_KERNEL);
+ data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL);
if (!data) {
BT_ERR("Can't allocate memory for data structure");
return -ENOMEM;
data->urb = usb_alloc_urb(0, GFP_KERNEL);
if (!data->urb) {
BT_ERR("Can't allocate URB");
- kfree(data);
return -ENOMEM;
}
if (request_firmware(&firmware, "BCM2033-MD.hex", &udev->dev) < 0) {
BT_ERR("Mini driver request failed");
usb_free_urb(data->urb);
- kfree(data);
return -EIO;
}
BT_ERR("Can't allocate memory for mini driver");
release_firmware(firmware);
usb_free_urb(data->urb);
- kfree(data);
return -ENOMEM;
}
BT_ERR("Firmware request failed");
usb_free_urb(data->urb);
kfree(data->buffer);
- kfree(data);
return -EIO;
}
release_firmware(firmware);
usb_free_urb(data->urb);
kfree(data->buffer);
- kfree(data);
return -ENOMEM;
}
usb_free_urb(data->urb);
kfree(data->fw_data);
kfree(data->buffer);
- kfree(data);
}
static struct usb_driver bcm203x_driver = {
}
/* Initialize control structure and load firmware */
- data = kzalloc(sizeof(struct bfusb_data), GFP_KERNEL);
+ data = devm_kzalloc(&intf->dev, sizeof(struct bfusb_data), GFP_KERNEL);
if (!data) {
BT_ERR("Can't allocate memory for control structure");
goto done;
if (request_firmware(&firmware, "bfubase.frm", &udev->dev) < 0) {
BT_ERR("Firmware request failed");
- goto error;
+ goto done;
}
BT_DBG("firmware data %p size %zu", firmware->data, firmware->size);
hdev = hci_alloc_dev();
if (!hdev) {
BT_ERR("Can't allocate HCI device");
- goto error;
+ goto done;
}
data->hdev = hdev;
if (hci_register_dev(hdev) < 0) {
BT_ERR("Can't register HCI device");
hci_free_dev(hdev);
- goto error;
+ goto done;
}
usb_set_intfdata(intf, data);
release:
release_firmware(firmware);
-error:
- kfree(data);
-
done:
return -EIO;
}
hci_unregister_dev(hdev);
hci_free_dev(hdev);
- kfree(data);
}
static struct usb_driver bfusb_driver = {
bluecard_info_t *info;
/* Create new info device */
- info = kzalloc(sizeof(*info), GFP_KERNEL);
+ info = devm_kzalloc(&link->dev, sizeof(*info), GFP_KERNEL);
if (!info)
return -ENOMEM;
static void bluecard_detach(struct pcmcia_device *link)
{
- bluecard_info_t *info = link->priv;
-
bluecard_release(link);
- kfree(info);
}
if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
return -ENODEV;
- data = kzalloc(sizeof(*data), GFP_KERNEL);
+ data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL);
if (!data)
return -ENOMEM;
init_usb_anchor(&data->rx_anchor);
hdev = hci_alloc_dev();
- if (!hdev) {
- kfree(data);
+ if (!hdev)
return -ENOMEM;
- }
hdev->bus = HCI_USB;
hci_set_drvdata(hdev, data);
err = hci_register_dev(hdev);
if (err < 0) {
hci_free_dev(hdev);
- kfree(data);
return err;
}
hci_free_dev(data->hdev);
kfree_skb(data->rx_skb[0]);
kfree_skb(data->rx_skb[1]);
- kfree(data);
}
static struct usb_driver bpa10x_driver = {
bt3c_info_t *info;
/* Create new info device */
- info = kzalloc(sizeof(*info), GFP_KERNEL);
+ info = devm_kzalloc(&link->dev, sizeof(*info), GFP_KERNEL);
if (!info)
return -ENOMEM;
static void bt3c_detach(struct pcmcia_device *link)
{
- bt3c_info_t *info = link->priv;
-
bt3c_release(link);
- kfree(info);
}
static int bt3c_check_config(struct pcmcia_device *p_dev, void *priv_data)
BT_INFO("vendor=0x%x, device=0x%x, class=%d, fn=%d",
id->vendor, id->device, id->class, func->num);
- card = kzalloc(sizeof(*card), GFP_KERNEL);
- if (!card) {
- ret = -ENOMEM;
- goto done;
- }
+ card = devm_kzalloc(&func->dev, sizeof(*card), GFP_KERNEL);
+ if (!card)
+ return -ENOMEM;
card->func = func;
if (btmrvl_sdio_register_dev(card) < 0) {
BT_ERR("Failed to register BT device!");
- ret = -ENODEV;
- goto free_card;
+ return -ENODEV;
}
/* Disable the interrupts on the card */
btmrvl_sdio_disable_host_int(card);
unreg_dev:
btmrvl_sdio_unregister_dev(card);
-free_card:
- kfree(card);
-done:
return ret;
}
BT_DBG("unregester dev");
btmrvl_sdio_unregister_dev(card);
btmrvl_remove_card(card->priv);
- kfree(card);
}
}
}
tuple = tuple->next;
}
- data = kzalloc(sizeof(*data), GFP_KERNEL);
+ data = devm_kzalloc(&func->dev, sizeof(*data), GFP_KERNEL);
if (!data)
return -ENOMEM;
skb_queue_head_init(&data->txq);
hdev = hci_alloc_dev();
- if (!hdev) {
- kfree(data);
+ if (!hdev)
return -ENOMEM;
- }
hdev->bus = HCI_SDIO;
hci_set_drvdata(hdev, data);
err = hci_register_dev(hdev);
if (err < 0) {
hci_free_dev(hdev);
- kfree(data);
return err;
}
hci_unregister_dev(hdev);
hci_free_dev(hdev);
- kfree(data);
}
static struct sdio_driver btsdio_driver = {
btuart_info_t *info;
/* Create new info device */
- info = kzalloc(sizeof(*info), GFP_KERNEL);
+ info = devm_kzalloc(&link->dev, sizeof(*info), GFP_KERNEL);
if (!info)
return -ENOMEM;
static void btuart_detach(struct pcmcia_device *link)
{
- btuart_info_t *info = link->priv;
-
btuart_release(link);
- kfree(info);
}
static int btuart_check_config(struct pcmcia_device *p_dev, void *priv_data)
return -ENODEV;
}
- data = kzalloc(sizeof(*data), GFP_KERNEL);
+ data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL);
if (!data)
return -ENOMEM;
}
}
- if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) {
- kfree(data);
+ if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep)
return -ENODEV;
- }
data->cmdreq_type = USB_TYPE_CLASS;
init_usb_anchor(&data->deferred);
hdev = hci_alloc_dev();
- if (!hdev) {
- kfree(data);
+ if (!hdev)
return -ENOMEM;
- }
hdev->bus = HCI_USB;
hci_set_drvdata(hdev, data);
data->isoc, data);
if (err < 0) {
hci_free_dev(hdev);
- kfree(data);
return err;
}
}
err = hci_register_dev(hdev);
if (err < 0) {
hci_free_dev(hdev);
- kfree(data);
return err;
}
usb_driver_release_interface(&btusb_driver, data->isoc);
hci_free_dev(hdev);
- kfree(data);
}
#ifdef CONFIG_PM
struct hci_dev *hdev;
int err;
- hst = kzalloc(sizeof(struct ti_st), GFP_KERNEL);
+ hst = devm_kzalloc(&pdev->dev, sizeof(struct ti_st), GFP_KERNEL);
if (!hst)
return -ENOMEM;
/* Expose "hciX" device to user space */
hdev = hci_alloc_dev();
- if (!hdev) {
- kfree(hst);
+ if (!hdev)
return -ENOMEM;
- }
BT_DBG("hdev %p", hdev);
err = hci_register_dev(hdev);
if (err < 0) {
BT_ERR("Can't register HCI device error %d", err);
- kfree(hst);
hci_free_dev(hdev);
return err;
}
hci_unregister_dev(hdev);
hci_free_dev(hdev);
- kfree(hst);
dev_set_drvdata(&pdev->dev, NULL);
return 0;
dtl1_info_t *info;
/* Create new info device */
- info = kzalloc(sizeof(*info), GFP_KERNEL);
+ info = devm_kzalloc(&link->dev, sizeof(*info), GFP_KERNEL);
if (!info)
return -ENOMEM;
dtl1_close(info);
pcmcia_disable_device(link);
- kfree(info);
}
static int dtl1_confcheck(struct pcmcia_device *p_dev, void *priv_data)
or internal device. It is safe to say Y or M here even if your
ethernet card lacks MII.
-source "drivers/ieee802154/Kconfig"
-
config IFB
tristate "Intermediate Functional Block support"
depends on NET_CLS_ACT
source "drivers/net/wan/Kconfig"
+source "drivers/net/ieee802154/Kconfig"
+
config XEN_NETDEV_FRONTEND
tristate "Xen network device frontend driver"
depends on XEN
obj-$(CONFIG_WAN) += wan/
obj-$(CONFIG_WLAN) += wireless/
obj-$(CONFIG_WIMAX) += wimax/
+obj-$(CONFIG_IEEE802154) += ieee802154/
obj-$(CONFIG_VMXNET3) += vmxnet3/
obj-$(CONFIG_XEN_NETDEV_FRONTEND) += xen-netfront.o
write_unlock_bh(&bond->curr_slave_lock);
read_unlock(&bond->lock);
- netdev_bonding_change(bond->dev, NETDEV_BONDING_FAILOVER);
+ call_netdevice_notifiers(NETDEV_BONDING_FAILOVER, bond->dev);
if (should_notify_peers)
- netdev_bonding_change(bond->dev,
- NETDEV_NOTIFY_PEERS);
+ call_netdevice_notifiers(NETDEV_NOTIFY_PEERS,
+ bond->dev);
read_lock(&bond->lock);
write_lock_bh(&bond->curr_slave_lock);
bond_dev->name,
bond_dev->type, slave_dev->type);
- res = netdev_bonding_change(bond_dev,
- NETDEV_PRE_TYPE_CHANGE);
+ res = call_netdevice_notifiers(NETDEV_PRE_TYPE_CHANGE,
+ bond_dev);
res = notifier_to_errno(res);
if (res) {
pr_err("%s: refused to change device type\n",
bond_dev->priv_flags &= ~IFF_TX_SKB_SHARING;
}
- netdev_bonding_change(bond_dev,
- NETDEV_POST_TYPE_CHANGE);
+ call_netdevice_notifiers(NETDEV_POST_TYPE_CHANGE,
+ bond_dev);
}
} else if (bond_dev->type != slave_dev->type) {
pr_err("%s ether type (%d) is different from other slaves (%d), can not enslave it.\n",
}
block_netpoll_tx();
- netdev_bonding_change(bond_dev, NETDEV_RELEASE);
+ call_netdevice_notifiers(NETDEV_RELEASE, bond_dev);
write_lock_bh(&bond->lock);
slave = bond_get_slave_by_dev(bond, slave_dev);
read_unlock(&bond->lock);
return;
}
- netdev_bonding_change(bond->dev, NETDEV_NOTIFY_PEERS);
+ call_netdevice_notifiers(NETDEV_NOTIFY_PEERS, bond->dev);
rtnl_unlock();
}
}
read_unlock(&bond->lock);
return;
}
- netdev_bonding_change(bond->dev, NETDEV_NOTIFY_PEERS);
+ call_netdevice_notifiers(NETDEV_NOTIFY_PEERS, bond->dev);
rtnl_unlock();
}
}
/*---------------------------- Hashing Policies -----------------------------*/
/*
+ * Hash for the output device based upon layer 2 data
+ */
+static int bond_xmit_hash_policy_l2(struct sk_buff *skb, int count)
+{
+ struct ethhdr *data = (struct ethhdr *)skb->data;
+
+ if (skb_headlen(skb) >= offsetof(struct ethhdr, h_proto))
+ return (data->h_dest[5] ^ data->h_source[5]) % count;
+
+ return 0;
+}
+
+/*
* Hash for the output device based upon layer 2 and layer 3 data. If
- * the packet is not IP mimic bond_xmit_hash_policy_l2()
+ * the packet is not IP, fall back on bond_xmit_hash_policy_l2()
*/
static int bond_xmit_hash_policy_l23(struct sk_buff *skb, int count)
{
struct ethhdr *data = (struct ethhdr *)skb->data;
- struct iphdr *iph = ip_hdr(skb);
-
- if (skb->protocol == htons(ETH_P_IP)) {
+ struct iphdr *iph;
+ struct ipv6hdr *ipv6h;
+ u32 v6hash;
+ __be32 *s, *d;
+
+ if (skb->protocol == htons(ETH_P_IP) &&
+ skb_network_header_len(skb) >= sizeof(*iph)) {
+ iph = ip_hdr(skb);
return ((ntohl(iph->saddr ^ iph->daddr) & 0xffff) ^
(data->h_dest[5] ^ data->h_source[5])) % count;
+ } else if (skb->protocol == htons(ETH_P_IPV6) &&
+ skb_network_header_len(skb) >= sizeof(*ipv6h)) {
+ ipv6h = ipv6_hdr(skb);
+ s = &ipv6h->saddr.s6_addr32[0];
+ d = &ipv6h->daddr.s6_addr32[0];
+ v6hash = (s[1] ^ d[1]) ^ (s[2] ^ d[2]) ^ (s[3] ^ d[3]);
+ v6hash ^= (v6hash >> 24) ^ (v6hash >> 16) ^ (v6hash >> 8);
+ return (v6hash ^ data->h_dest[5] ^ data->h_source[5]) % count;
}
- return (data->h_dest[5] ^ data->h_source[5]) % count;
+ return bond_xmit_hash_policy_l2(skb, count);
}
/*
* Hash for the output device based upon layer 3 and layer 4 data. If
* the packet is a frag or not TCP or UDP, just use layer 3 data. If it is
- * altogether not IP, mimic bond_xmit_hash_policy_l2()
+ * altogether not IP, fall back on bond_xmit_hash_policy_l2()
*/
static int bond_xmit_hash_policy_l34(struct sk_buff *skb, int count)
{
- struct ethhdr *data = (struct ethhdr *)skb->data;
- struct iphdr *iph = ip_hdr(skb);
- __be16 *layer4hdr = (__be16 *)((u32 *)iph + iph->ihl);
- int layer4_xor = 0;
-
- if (skb->protocol == htons(ETH_P_IP)) {
+ u32 layer4_xor = 0;
+ struct iphdr *iph;
+ struct ipv6hdr *ipv6h;
+ __be32 *s, *d;
+ __be16 *layer4hdr;
+
+ if (skb->protocol == htons(ETH_P_IP) &&
+ skb_network_header_len(skb) >= sizeof(*iph)) {
+ iph = ip_hdr(skb);
if (!ip_is_fragment(iph) &&
(iph->protocol == IPPROTO_TCP ||
- iph->protocol == IPPROTO_UDP)) {
- layer4_xor = ntohs((*layer4hdr ^ *(layer4hdr + 1)));
+ iph->protocol == IPPROTO_UDP) &&
+ (skb_headlen(skb) - skb_network_offset(skb) >=
+ iph->ihl * sizeof(u32) + sizeof(*layer4hdr) * 2)) {
+ layer4hdr = (__be16 *)((u32 *)iph + iph->ihl);
+ layer4_xor = ntohs(*layer4hdr ^ *(layer4hdr + 1));
}
return (layer4_xor ^
((ntohl(iph->saddr ^ iph->daddr)) & 0xffff)) % count;
-
+ } else if (skb->protocol == htons(ETH_P_IPV6) &&
+ skb_network_header_len(skb) >= sizeof(*ipv6h)) {
+ ipv6h = ipv6_hdr(skb);
+ if ((ipv6h->nexthdr == IPPROTO_TCP ||
+ ipv6h->nexthdr == IPPROTO_UDP) &&
+ (skb_headlen(skb) - skb_network_offset(skb) >=
+ sizeof(*ipv6h) + sizeof(*layer4hdr) * 2)) {
+ layer4hdr = (__be16 *)(ipv6h + 1);
+ layer4_xor = ntohs(*layer4hdr ^ *(layer4hdr + 1));
+ }
+ s = &ipv6h->saddr.s6_addr32[0];
+ d = &ipv6h->daddr.s6_addr32[0];
+ layer4_xor ^= (s[1] ^ d[1]) ^ (s[2] ^ d[2]) ^ (s[3] ^ d[3]);
+ layer4_xor ^= (layer4_xor >> 24) ^ (layer4_xor >> 16) ^
+ (layer4_xor >> 8);
+ return layer4_xor % count;
}
- return (data->h_dest[5] ^ data->h_source[5]) % count;
-}
-
-/*
- * Hash for the output device based upon layer 2 data
- */
-static int bond_xmit_hash_policy_l2(struct sk_buff *skb, int count)
-{
- struct ethhdr *data = (struct ethhdr *)skb->data;
-
- return (data->h_dest[5] ^ data->h_source[5]) % count;
+ return bond_xmit_hash_policy_l2(skb, count);
}
/*-------------------------- Device entry points ----------------------------*/
#define MAX_RX_POST BE_NAPI_WEIGHT /* Frags posted at a time */
#define RX_FRAGS_REFILL_WM (RX_Q_LEN - MAX_RX_POST)
+#define MAX_VFS 30 /* Max VFs supported by BE3 FW */
#define FW_VER_LEN 32
struct be_dma_mem {
if (compl_status == MCC_STATUS_UNAUTHORIZED_REQUEST) {
dev_warn(&adapter->pdev->dev,
- "opcode %d-%d is not permitted\n",
+ "VF is not privileged to issue opcode %d-%d\n",
opcode, subsystem);
} else {
extd_status = (compl->status >> CQE_STATUS_EXTD_SHIFT) &
{
u32 num = 0;
if ((adapter->function_caps & BE_FUNCTION_CAPS_RSS) &&
- !sriov_want(adapter) && be_physfn(adapter) &&
- !be_is_mc(adapter)) {
+ !sriov_want(adapter) && be_physfn(adapter)) {
num = (adapter->be3_native) ? BE3_MAX_RSS_QS : BE2_MAX_RSS_QS;
num = min_t(u32, num, (u32)netif_get_num_default_rss_queues());
}
}
for_all_vfs(adapter, vf_cfg, vf) {
- status = be_cmd_link_status_query(adapter, NULL, &lnk_speed,
- NULL, vf + 1);
+ lnk_speed = 1000;
+ status = be_cmd_set_qos(adapter, lnk_speed, vf + 1);
if (status)
goto err;
vf_cfg->tx_rate = lnk_speed * 10;
if (pos) {
pci_read_config_word(adapter->pdev, pos + PCI_SRIOV_TOTAL_VF,
&dev_num_vfs);
+ if (!lancer_chip(adapter))
+ dev_num_vfs = min_t(u16, dev_num_vfs, MAX_VFS);
adapter->dev_num_vfs = dev_num_vfs;
}
return 0;
if (mem->va)
dma_free_coherent(&adapter->pdev->dev, mem->size, mem->va,
mem->dma);
+ kfree(adapter->pmac_id);
}
static int be_ctrl_init(struct be_adapter *adapter)
}
memset(rx_filter->va, 0, rx_filter->size);
+ /* primary mac needs 1 pmac entry */
+ adapter->pmac_id = kcalloc(adapter->max_pmac_cnt + 1,
+ sizeof(*adapter->pmac_id), GFP_KERNEL);
+ if (!adapter->pmac_id)
+ return -ENOMEM;
+
mutex_init(&adapter->mbox_lock);
spin_lock_init(&adapter->mcc_lock);
spin_lock_init(&adapter->mcc_cq_lock);
else
adapter->max_pmac_cnt = BE_VF_UC_PMAC_COUNT;
- /* primary mac needs 1 pmac entry */
- adapter->pmac_id = kcalloc(adapter->max_pmac_cnt + 1,
- sizeof(u32), GFP_KERNEL);
- if (!adapter->pmac_id)
- return -ENOMEM;
-
status = be_cmd_get_cntl_attributes(adapter);
if (status)
return status;
---help---
This driver supports the MDIO bus used by the gianfar and UCC drivers.
+config FSL_XGMAC_MDIO
+ tristate "Freescale XGMAC MDIO"
+ depends on FSL_SOC
+ select PHYLIB
+ ---help---
+ This driver supports the MDIO bus on the Fman 10G Ethernet MACs.
+
config UCC_GETH
tristate "Freescale QE Gigabit Ethernet"
depends on QUICC_ENGINE
endif
obj-$(CONFIG_FS_ENET) += fs_enet/
obj-$(CONFIG_FSL_PQ_MDIO) += fsl_pq_mdio.o
+obj-$(CONFIG_FSL_XGMAC_MDIO) += xgmac_mdio.o
obj-$(CONFIG_GIANFAR) += gianfar_driver.o
obj-$(CONFIG_PTP_1588_CLOCK_GIANFAR) += gianfar_ptp.o
gianfar_driver-objs := gianfar.o \
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/errno.h>
-#include <linux/unistd.h>
#include <linux/slab.h>
-#include <linux/interrupt.h>
#include <linux/init.h>
#include <linux/delay.h>
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
-#include <linux/skbuff.h>
-#include <linux/spinlock.h>
-#include <linux/mm.h>
#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/crc32.h>
#include <linux/mii.h>
-#include <linux/phy.h>
-#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/of_mdio.h>
-#include <linux/of_platform.h>
+#include <linux/of_device.h>
#include <asm/io.h>
-#include <asm/irq.h>
-#include <asm/uaccess.h>
-#include <asm/ucc.h>
+#include <asm/ucc.h> /* for ucc_set_qe_mux_mii_mng() */
#include "gianfar.h"
-#include "fsl_pq_mdio.h"
+
+#define MIIMIND_BUSY 0x00000001
+#define MIIMIND_NOTVALID 0x00000004
+#define MIIMCFG_INIT_VALUE 0x00000007
+#define MIIMCFG_RESET 0x80000000
+
+#define MII_READ_COMMAND 0x00000001
+
+struct fsl_pq_mii {
+ u32 miimcfg; /* MII management configuration reg */
+ u32 miimcom; /* MII management command reg */
+ u32 miimadd; /* MII management address reg */
+ u32 miimcon; /* MII management control reg */
+ u32 miimstat; /* MII management status reg */
+ u32 miimind; /* MII management indication reg */
+};
+
+struct fsl_pq_mdio {
+ u8 res1[16];
+ u32 ieventm; /* MDIO Interrupt event register (for etsec2)*/
+ u32 imaskm; /* MDIO Interrupt mask register (for etsec2)*/
+ u8 res2[4];
+ u32 emapm; /* MDIO Event mapping register (for etsec2)*/
+ u8 res3[1280];
+ struct fsl_pq_mii mii;
+ u8 res4[28];
+ u32 utbipar; /* TBI phy address reg (only on UCC) */
+ u8 res5[2728];
+} __packed;
/* Number of microseconds to wait for an MII register to respond */
#define MII_TIMEOUT 1000
struct fsl_pq_mdio_priv {
void __iomem *map;
- struct fsl_pq_mdio __iomem *regs;
+ struct fsl_pq_mii __iomem *regs;
+ int irqs[PHY_MAX_ADDR];
+};
+
+/*
+ * Per-device-type data. Each type of device tree node that we support gets
+ * one of these.
+ *
+ * @mii_offset: the offset of the MII registers within the memory map of the
+ * node. Some nodes define only the MII registers, and some define the whole
+ * MAC (which includes the MII registers).
+ *
+ * @get_tbipa: determines the address of the TBIPA register
+ *
+ * @ucc_configure: a special function for extra QE configuration
+ */
+struct fsl_pq_mdio_data {
+ unsigned int mii_offset; /* offset of the MII registers */
+ uint32_t __iomem * (*get_tbipa)(void __iomem *p);
+ void (*ucc_configure)(phys_addr_t start, phys_addr_t end);
};
/*
- * Write value to the PHY at mii_id at register regnum,
- * on the bus attached to the local interface, which may be different from the
- * generic mdio bus (tied to a single interface), waiting until the write is
- * done before returning. This is helpful in programming interfaces like
- * the TBI which control interfaces like onchip SERDES and are always tied to
- * the local mdio pins, which may not be the same as system mdio bus, used for
+ * Write value to the PHY at mii_id at register regnum, on the bus attached
+ * to the local interface, which may be different from the generic mdio bus
+ * (tied to a single interface), waiting until the write is done before
+ * returning. This is helpful in programming interfaces like the TBI which
+ * control interfaces like onchip SERDES and are always tied to the local
+ * mdio pins, which may not be the same as system mdio bus, used for
* controlling the external PHYs, for example.
*/
-int fsl_pq_local_mdio_write(struct fsl_pq_mdio __iomem *regs, int mii_id,
- int regnum, u16 value)
+static int fsl_pq_mdio_write(struct mii_bus *bus, int mii_id, int regnum,
+ u16 value)
{
+ struct fsl_pq_mdio_priv *priv = bus->priv;
+ struct fsl_pq_mii __iomem *regs = priv->regs;
u32 status;
/* Set the PHY address and the register address we want to write */
}
/*
- * Read the bus for PHY at addr mii_id, register regnum, and
- * return the value. Clears miimcom first. All PHY operation
- * done on the bus attached to the local interface,
- * which may be different from the generic mdio bus
- * This is helpful in programming interfaces like
- * the TBI which, in turn, control interfaces like onchip SERDES
- * and are always tied to the local mdio pins, which may not be the
+ * Read the bus for PHY at addr mii_id, register regnum, and return the value.
+ * Clears miimcom first.
+ *
+ * All PHY operation done on the bus attached to the local interface, which
+ * may be different from the generic mdio bus. This is helpful in programming
+ * interfaces like the TBI which, in turn, control interfaces like on-chip
+ * SERDES and are always tied to the local mdio pins, which may not be the
* same as system mdio bus, used for controlling the external PHYs, for eg.
*/
-int fsl_pq_local_mdio_read(struct fsl_pq_mdio __iomem *regs,
- int mii_id, int regnum)
+static int fsl_pq_mdio_read(struct mii_bus *bus, int mii_id, int regnum)
{
- u16 value;
+ struct fsl_pq_mdio_priv *priv = bus->priv;
+ struct fsl_pq_mii __iomem *regs = priv->regs;
u32 status;
+ u16 value;
/* Set the PHY address and the register address we want to read */
out_be32(®s->miimadd, (mii_id << 8) | regnum);
/* Grab the value of the register from miimstat */
value = in_be32(®s->miimstat);
+ dev_dbg(&bus->dev, "read %04x from address %x/%x\n", value, mii_id, regnum);
return value;
}
-static struct fsl_pq_mdio __iomem *fsl_pq_mdio_get_regs(struct mii_bus *bus)
-{
- struct fsl_pq_mdio_priv *priv = bus->priv;
-
- return priv->regs;
-}
-
-/*
- * Write value to the PHY at mii_id at register regnum,
- * on the bus, waiting until the write is done before returning.
- */
-int fsl_pq_mdio_write(struct mii_bus *bus, int mii_id, int regnum, u16 value)
-{
- struct fsl_pq_mdio __iomem *regs = fsl_pq_mdio_get_regs(bus);
-
- /* Write to the local MII regs */
- return fsl_pq_local_mdio_write(regs, mii_id, regnum, value);
-}
-
-/*
- * Read the bus for PHY at addr mii_id, register regnum, and
- * return the value. Clears miimcom first.
- */
-int fsl_pq_mdio_read(struct mii_bus *bus, int mii_id, int regnum)
-{
- struct fsl_pq_mdio __iomem *regs = fsl_pq_mdio_get_regs(bus);
-
- /* Read the local MII regs */
- return fsl_pq_local_mdio_read(regs, mii_id, regnum);
-}
-
/* Reset the MIIM registers, and wait for the bus to free */
static int fsl_pq_mdio_reset(struct mii_bus *bus)
{
- struct fsl_pq_mdio __iomem *regs = fsl_pq_mdio_get_regs(bus);
+ struct fsl_pq_mdio_priv *priv = bus->priv;
+ struct fsl_pq_mii __iomem *regs = priv->regs;
u32 status;
mutex_lock(&bus->mdio_lock);
mutex_unlock(&bus->mdio_lock);
if (!status) {
- printk(KERN_ERR "%s: The MII Bus is stuck!\n",
- bus->name);
+ dev_err(&bus->dev, "timeout waiting for MII bus\n");
return -EBUSY;
}
return 0;
}
-void fsl_pq_mdio_bus_name(char *name, struct device_node *np)
+#if defined(CONFIG_GIANFAR) || defined(CONFIG_GIANFAR_MODULE)
+/*
+ * This is mildly evil, but so is our hardware for doing this.
+ * Also, we have to cast back to struct gfar because of
+ * definition weirdness done in gianfar.h.
+ */
+static uint32_t __iomem *get_gfar_tbipa(void __iomem *p)
{
- const u32 *addr;
- u64 taddr = OF_BAD_ADDR;
-
- addr = of_get_address(np, 0, NULL, NULL);
- if (addr)
- taddr = of_translate_address(np, addr);
+ struct gfar __iomem *enet_regs = p;
- snprintf(name, MII_BUS_ID_SIZE, "%s@%llx", np->name,
- (unsigned long long)taddr);
+ return &enet_regs->tbipa;
}
-EXPORT_SYMBOL_GPL(fsl_pq_mdio_bus_name);
+/*
+ * Return the TBIPAR address for an eTSEC2 node
+ */
+static uint32_t __iomem *get_etsec_tbipa(void __iomem *p)
+{
+ return p;
+}
+#endif
-static u32 __iomem *get_gfar_tbipa(struct fsl_pq_mdio __iomem *regs, struct device_node *np)
+#if defined(CONFIG_UCC_GETH) || defined(CONFIG_UCC_GETH_MODULE)
+/*
+ * Return the TBIPAR address for a QE MDIO node
+ */
+static uint32_t __iomem *get_ucc_tbipa(void __iomem *p)
{
-#if defined(CONFIG_GIANFAR) || defined(CONFIG_GIANFAR_MODULE)
- struct gfar __iomem *enet_regs;
+ struct fsl_pq_mdio __iomem *mdio = p;
- /*
- * This is mildly evil, but so is our hardware for doing this.
- * Also, we have to cast back to struct gfar because of
- * definition weirdness done in gianfar.h.
- */
- if(of_device_is_compatible(np, "fsl,gianfar-mdio") ||
- of_device_is_compatible(np, "fsl,gianfar-tbi") ||
- of_device_is_compatible(np, "gianfar")) {
- enet_regs = (struct gfar __iomem *)regs;
- return &enet_regs->tbipa;
- } else if (of_device_is_compatible(np, "fsl,etsec2-mdio") ||
- of_device_is_compatible(np, "fsl,etsec2-tbi")) {
- return of_iomap(np, 1);
- }
-#endif
- return NULL;
+ return &mdio->utbipar;
}
-
-static int get_ucc_id_for_range(u64 start, u64 end, u32 *ucc_id)
+/*
+ * Find the UCC node that controls the given MDIO node
+ *
+ * For some reason, the QE MDIO nodes are not children of the UCC devices
+ * that control them. Therefore, we need to scan all UCC nodes looking for
+ * the one that encompases the given MDIO node. We do this by comparing
+ * physical addresses. The 'start' and 'end' addresses of the MDIO node are
+ * passed, and the correct UCC node will cover the entire address range.
+ *
+ * This assumes that there is only one QE MDIO node in the entire device tree.
+ */
+static void ucc_configure(phys_addr_t start, phys_addr_t end)
{
-#if defined(CONFIG_UCC_GETH) || defined(CONFIG_UCC_GETH_MODULE)
+ static bool found_mii_master;
struct device_node *np = NULL;
- int err = 0;
- for_each_compatible_node(np, NULL, "ucc_geth") {
- struct resource tempres;
+ if (found_mii_master)
+ return;
- err = of_address_to_resource(np, 0, &tempres);
- if (err)
+ for_each_compatible_node(np, NULL, "ucc_geth") {
+ struct resource res;
+ const uint32_t *iprop;
+ uint32_t id;
+ int ret;
+
+ ret = of_address_to_resource(np, 0, &res);
+ if (ret < 0) {
+ pr_debug("fsl-pq-mdio: no address range in node %s\n",
+ np->full_name);
continue;
+ }
/* if our mdio regs fall within this UCC regs range */
- if ((start >= tempres.start) && (end <= tempres.end)) {
- /* Find the id of the UCC */
- const u32 *id;
-
- id = of_get_property(np, "cell-index", NULL);
- if (!id) {
- id = of_get_property(np, "device-id", NULL);
- if (!id)
- continue;
+ if ((start < res.start) || (end > res.end))
+ continue;
+
+ iprop = of_get_property(np, "cell-index", NULL);
+ if (!iprop) {
+ iprop = of_get_property(np, "device-id", NULL);
+ if (!iprop) {
+ pr_debug("fsl-pq-mdio: no UCC ID in node %s\n",
+ np->full_name);
+ continue;
}
+ }
- *ucc_id = *id;
+ id = be32_to_cpup(iprop);
- return 0;
+ /*
+ * cell-index and device-id for QE nodes are
+ * numbered from 1, not 0.
+ */
+ if (ucc_set_qe_mux_mii_mng(id - 1) < 0) {
+ pr_debug("fsl-pq-mdio: invalid UCC ID in node %s\n",
+ np->full_name);
+ continue;
}
+
+ pr_debug("fsl-pq-mdio: setting node UCC%u to MII master\n", id);
+ found_mii_master = true;
}
+}
- if (err)
- return err;
- else
- return -EINVAL;
-#else
- return -ENODEV;
#endif
-}
-static int fsl_pq_mdio_probe(struct platform_device *ofdev)
+static struct of_device_id fsl_pq_mdio_match[] = {
+#if defined(CONFIG_GIANFAR) || defined(CONFIG_GIANFAR_MODULE)
+ {
+ .compatible = "fsl,gianfar-tbi",
+ .data = &(struct fsl_pq_mdio_data) {
+ .mii_offset = 0,
+ .get_tbipa = get_gfar_tbipa,
+ },
+ },
+ {
+ .compatible = "fsl,gianfar-mdio",
+ .data = &(struct fsl_pq_mdio_data) {
+ .mii_offset = 0,
+ .get_tbipa = get_gfar_tbipa,
+ },
+ },
+ {
+ .type = "mdio",
+ .compatible = "gianfar",
+ .data = &(struct fsl_pq_mdio_data) {
+ .mii_offset = offsetof(struct fsl_pq_mdio, mii),
+ .get_tbipa = get_gfar_tbipa,
+ },
+ },
+ {
+ .compatible = "fsl,etsec2-tbi",
+ .data = &(struct fsl_pq_mdio_data) {
+ .mii_offset = offsetof(struct fsl_pq_mdio, mii),
+ .get_tbipa = get_etsec_tbipa,
+ },
+ },
+ {
+ .compatible = "fsl,etsec2-mdio",
+ .data = &(struct fsl_pq_mdio_data) {
+ .mii_offset = offsetof(struct fsl_pq_mdio, mii),
+ .get_tbipa = get_etsec_tbipa,
+ },
+ },
+#endif
+#if defined(CONFIG_UCC_GETH) || defined(CONFIG_UCC_GETH_MODULE)
+ {
+ .compatible = "fsl,ucc-mdio",
+ .data = &(struct fsl_pq_mdio_data) {
+ .mii_offset = 0,
+ .get_tbipa = get_ucc_tbipa,
+ .ucc_configure = ucc_configure,
+ },
+ },
+ {
+ /* Legacy UCC MDIO node */
+ .type = "mdio",
+ .compatible = "ucc_geth_phy",
+ .data = &(struct fsl_pq_mdio_data) {
+ .mii_offset = 0,
+ .get_tbipa = get_ucc_tbipa,
+ .ucc_configure = ucc_configure,
+ },
+ },
+#endif
+ /* No Kconfig option for Fman support yet */
+ {
+ .compatible = "fsl,fman-mdio",
+ .data = &(struct fsl_pq_mdio_data) {
+ .mii_offset = 0,
+ /* Fman TBI operations are handled elsewhere */
+ },
+ },
+
+ {},
+};
+MODULE_DEVICE_TABLE(of, fsl_pq_mdio_match);
+
+static int fsl_pq_mdio_probe(struct platform_device *pdev)
{
- struct device_node *np = ofdev->dev.of_node;
+ const struct of_device_id *id =
+ of_match_device(fsl_pq_mdio_match, &pdev->dev);
+ const struct fsl_pq_mdio_data *data = id->data;
+ struct device_node *np = pdev->dev.of_node;
+ struct resource res;
struct device_node *tbi;
struct fsl_pq_mdio_priv *priv;
- struct fsl_pq_mdio __iomem *regs = NULL;
- void __iomem *map;
- u32 __iomem *tbipa;
struct mii_bus *new_bus;
- int tbiaddr = -1;
- const u32 *addrp;
- u64 addr = 0, size = 0;
int err;
- priv = kzalloc(sizeof(*priv), GFP_KERNEL);
- if (!priv)
- return -ENOMEM;
+ dev_dbg(&pdev->dev, "found %s compatible node\n", id->compatible);
- new_bus = mdiobus_alloc();
- if (!new_bus) {
- err = -ENOMEM;
- goto err_free_priv;
- }
+ new_bus = mdiobus_alloc_size(sizeof(*priv));
+ if (!new_bus)
+ return -ENOMEM;
+ priv = new_bus->priv;
new_bus->name = "Freescale PowerQUICC MII Bus",
- new_bus->read = &fsl_pq_mdio_read,
- new_bus->write = &fsl_pq_mdio_write,
- new_bus->reset = &fsl_pq_mdio_reset,
- new_bus->priv = priv;
- fsl_pq_mdio_bus_name(new_bus->id, np);
-
- addrp = of_get_address(np, 0, &size, NULL);
- if (!addrp) {
- err = -EINVAL;
- goto err_free_bus;
+ new_bus->read = &fsl_pq_mdio_read;
+ new_bus->write = &fsl_pq_mdio_write;
+ new_bus->reset = &fsl_pq_mdio_reset;
+ new_bus->irq = priv->irqs;
+
+ err = of_address_to_resource(np, 0, &res);
+ if (err < 0) {
+ dev_err(&pdev->dev, "could not obtain address information\n");
+ goto error;
}
- /* Set the PHY base address */
- addr = of_translate_address(np, addrp);
- if (addr == OF_BAD_ADDR) {
- err = -EINVAL;
- goto err_free_bus;
- }
+ snprintf(new_bus->id, MII_BUS_ID_SIZE, "%s@%llx", np->name,
+ (unsigned long long)res.start);
- map = ioremap(addr, size);
- if (!map) {
+ priv->map = of_iomap(np, 0);
+ if (!priv->map) {
err = -ENOMEM;
- goto err_free_bus;
+ goto error;
}
- priv->map = map;
-
- if (of_device_is_compatible(np, "fsl,gianfar-mdio") ||
- of_device_is_compatible(np, "fsl,gianfar-tbi") ||
- of_device_is_compatible(np, "fsl,ucc-mdio") ||
- of_device_is_compatible(np, "ucc_geth_phy"))
- map -= offsetof(struct fsl_pq_mdio, miimcfg);
- regs = map;
- priv->regs = regs;
-
- new_bus->irq = kcalloc(PHY_MAX_ADDR, sizeof(int), GFP_KERNEL);
- if (NULL == new_bus->irq) {
- err = -ENOMEM;
- goto err_unmap_regs;
+ /*
+ * Some device tree nodes represent only the MII registers, and
+ * others represent the MAC and MII registers. The 'mii_offset' field
+ * contains the offset of the MII registers inside the mapped register
+ * space.
+ */
+ if (data->mii_offset > resource_size(&res)) {
+ dev_err(&pdev->dev, "invalid register map\n");
+ err = -EINVAL;
+ goto error;
}
+ priv->regs = priv->map + data->mii_offset;
- new_bus->parent = &ofdev->dev;
- dev_set_drvdata(&ofdev->dev, new_bus);
-
- if (of_device_is_compatible(np, "fsl,gianfar-mdio") ||
- of_device_is_compatible(np, "fsl,gianfar-tbi") ||
- of_device_is_compatible(np, "fsl,etsec2-mdio") ||
- of_device_is_compatible(np, "fsl,etsec2-tbi") ||
- of_device_is_compatible(np, "gianfar")) {
- tbipa = get_gfar_tbipa(regs, np);
- if (!tbipa) {
- err = -EINVAL;
- goto err_free_irqs;
- }
- } else if (of_device_is_compatible(np, "fsl,ucc-mdio") ||
- of_device_is_compatible(np, "ucc_geth_phy")) {
- u32 id;
- static u32 mii_mng_master;
-
- tbipa = ®s->utbipar;
-
- if ((err = get_ucc_id_for_range(addr, addr + size, &id)))
- goto err_free_irqs;
+ new_bus->parent = &pdev->dev;
+ dev_set_drvdata(&pdev->dev, new_bus);
- if (!mii_mng_master) {
- mii_mng_master = id;
- ucc_set_qe_mux_mii_mng(id - 1);
+ if (data->get_tbipa) {
+ for_each_child_of_node(np, tbi) {
+ if (strcmp(tbi->type, "tbi-phy") == 0) {
+ dev_dbg(&pdev->dev, "found TBI PHY node %s\n",
+ strrchr(tbi->full_name, '/') + 1);
+ break;
+ }
}
- } else {
- err = -ENODEV;
- goto err_free_irqs;
- }
- for_each_child_of_node(np, tbi) {
- if (!strncmp(tbi->type, "tbi-phy", 8))
- break;
- }
+ if (tbi) {
+ const u32 *prop = of_get_property(tbi, "reg", NULL);
+ uint32_t __iomem *tbipa;
- if (tbi) {
- const u32 *prop = of_get_property(tbi, "reg", NULL);
+ if (!prop) {
+ dev_err(&pdev->dev,
+ "missing 'reg' property in node %s\n",
+ tbi->full_name);
+ err = -EBUSY;
+ goto error;
+ }
- if (prop)
- tbiaddr = *prop;
+ tbipa = data->get_tbipa(priv->map);
- if (tbiaddr == -1) {
- err = -EBUSY;
- goto err_free_irqs;
- } else {
- out_be32(tbipa, tbiaddr);
+ out_be32(tbipa, be32_to_cpup(prop));
}
}
+ if (data->ucc_configure)
+ data->ucc_configure(res.start, res.end);
+
err = of_mdiobus_register(new_bus, np);
if (err) {
- printk (KERN_ERR "%s: Cannot register as MDIO bus\n",
- new_bus->name);
- goto err_free_irqs;
+ dev_err(&pdev->dev, "cannot register %s as MDIO bus\n",
+ new_bus->name);
+ goto error;
}
return 0;
-err_free_irqs:
- kfree(new_bus->irq);
-err_unmap_regs:
- iounmap(priv->map);
-err_free_bus:
+error:
+ if (priv->map)
+ iounmap(priv->map);
+
kfree(new_bus);
-err_free_priv:
- kfree(priv);
+
return err;
}
-static int fsl_pq_mdio_remove(struct platform_device *ofdev)
+static int fsl_pq_mdio_remove(struct platform_device *pdev)
{
- struct device *device = &ofdev->dev;
+ struct device *device = &pdev->dev;
struct mii_bus *bus = dev_get_drvdata(device);
struct fsl_pq_mdio_priv *priv = bus->priv;
dev_set_drvdata(device, NULL);
iounmap(priv->map);
- bus->priv = NULL;
mdiobus_free(bus);
- kfree(priv);
return 0;
}
-static struct of_device_id fsl_pq_mdio_match[] = {
- {
- .type = "mdio",
- .compatible = "ucc_geth_phy",
- },
- {
- .type = "mdio",
- .compatible = "gianfar",
- },
- {
- .compatible = "fsl,ucc-mdio",
- },
- {
- .compatible = "fsl,gianfar-tbi",
- },
- {
- .compatible = "fsl,gianfar-mdio",
- },
- {
- .compatible = "fsl,etsec2-tbi",
- },
- {
- .compatible = "fsl,etsec2-mdio",
- },
- {},
-};
-MODULE_DEVICE_TABLE(of, fsl_pq_mdio_match);
-
static struct platform_driver fsl_pq_mdio_driver = {
.driver = {
.name = "fsl-pq_mdio",
+++ /dev/null
-/*
- * Freescale PowerQUICC MDIO Driver -- MII Management Bus Implementation
- * Driver for the MDIO bus controller on Freescale PowerQUICC processors
- *
- * Author: Andy Fleming
- * Modifier: Sandeep Gopalpet
- *
- * Copyright 2002-2004, 2008-2009 Freescale Semiconductor, Inc.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- */
-#ifndef __FSL_PQ_MDIO_H
-#define __FSL_PQ_MDIO_H
-
-#define MIIMIND_BUSY 0x00000001
-#define MIIMIND_NOTVALID 0x00000004
-#define MIIMCFG_INIT_VALUE 0x00000007
-#define MIIMCFG_RESET 0x80000000
-
-#define MII_READ_COMMAND 0x00000001
-
-struct fsl_pq_mdio {
- u8 res1[16];
- u32 ieventm; /* MDIO Interrupt event register (for etsec2)*/
- u32 imaskm; /* MDIO Interrupt mask register (for etsec2)*/
- u8 res2[4];
- u32 emapm; /* MDIO Event mapping register (for etsec2)*/
- u8 res3[1280];
- u32 miimcfg; /* MII management configuration reg */
- u32 miimcom; /* MII management command reg */
- u32 miimadd; /* MII management address reg */
- u32 miimcon; /* MII management control reg */
- u32 miimstat; /* MII management status reg */
- u32 miimind; /* MII management indication reg */
- u8 reserved[28]; /* Space holder */
- u32 utbipar; /* TBI phy address reg (only on UCC) */
- u8 res4[2728];
-} __packed;
-
-int fsl_pq_mdio_read(struct mii_bus *bus, int mii_id, int regnum);
-int fsl_pq_mdio_write(struct mii_bus *bus, int mii_id, int regnum, u16 value);
-int fsl_pq_local_mdio_write(struct fsl_pq_mdio __iomem *regs, int mii_id,
- int regnum, u16 value);
-int fsl_pq_local_mdio_read(struct fsl_pq_mdio __iomem *regs, int mii_id, int regnum);
-int __init fsl_pq_mdio_init(void);
-void fsl_pq_mdio_exit(void);
-void fsl_pq_mdio_bus_name(char *name, struct device_node *np);
-#endif /* FSL_PQ_MDIO_H */
#include <linux/of_net.h>
#include "gianfar.h"
-#include "fsl_pq_mdio.h"
#define TX_TIMEOUT (1*HZ)
#include <asm/machdep.h>
#include "ucc_geth.h"
-#include "fsl_pq_mdio.h"
#undef DEBUG
--- /dev/null
+/*
+ * QorIQ 10G MDIO Controller
+ *
+ * Copyright 2012 Freescale Semiconductor, Inc.
+ *
+ * Authors: Andy Fleming <afleming@freescale.com>
+ * Timur Tabi <timur@freescale.com>
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2. This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ */
+
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/interrupt.h>
+#include <linux/module.h>
+#include <linux/phy.h>
+#include <linux/mdio.h>
+#include <linux/of_platform.h>
+#include <linux/of_mdio.h>
+
+/* Number of microseconds to wait for a register to respond */
+#define TIMEOUT 1000
+
+struct tgec_mdio_controller {
+ __be32 reserved[12];
+ __be32 mdio_stat; /* MDIO configuration and status */
+ __be32 mdio_ctl; /* MDIO control */
+ __be32 mdio_data; /* MDIO data */
+ __be32 mdio_addr; /* MDIO address */
+} __packed;
+
+#define MDIO_STAT_CLKDIV(x) (((x>>1) & 0xff) << 8)
+#define MDIO_STAT_BSY (1 << 0)
+#define MDIO_STAT_RD_ER (1 << 1)
+#define MDIO_CTL_DEV_ADDR(x) (x & 0x1f)
+#define MDIO_CTL_PORT_ADDR(x) ((x & 0x1f) << 5)
+#define MDIO_CTL_PRE_DIS (1 << 10)
+#define MDIO_CTL_SCAN_EN (1 << 11)
+#define MDIO_CTL_POST_INC (1 << 14)
+#define MDIO_CTL_READ (1 << 15)
+
+#define MDIO_DATA(x) (x & 0xffff)
+#define MDIO_DATA_BSY (1 << 31)
+
+/*
+ * Wait untill the MDIO bus is free
+ */
+static int xgmac_wait_until_free(struct device *dev,
+ struct tgec_mdio_controller __iomem *regs)
+{
+ uint32_t status;
+
+ /* Wait till the bus is free */
+ status = spin_event_timeout(
+ !((in_be32(®s->mdio_stat)) & MDIO_STAT_BSY), TIMEOUT, 0);
+ if (!status) {
+ dev_err(dev, "timeout waiting for bus to be free\n");
+ return -ETIMEDOUT;
+ }
+
+ return 0;
+}
+
+/*
+ * Wait till the MDIO read or write operation is complete
+ */
+static int xgmac_wait_until_done(struct device *dev,
+ struct tgec_mdio_controller __iomem *regs)
+{
+ uint32_t status;
+
+ /* Wait till the MDIO write is complete */
+ status = spin_event_timeout(
+ !((in_be32(®s->mdio_data)) & MDIO_DATA_BSY), TIMEOUT, 0);
+ if (!status) {
+ dev_err(dev, "timeout waiting for operation to complete\n");
+ return -ETIMEDOUT;
+ }
+
+ return 0;
+}
+
+/*
+ * Write value to the PHY for this device to the register at regnum,waiting
+ * until the write is done before it returns. All PHY configuration has to be
+ * done through the TSEC1 MIIM regs.
+ */
+static int xgmac_mdio_write(struct mii_bus *bus, int phy_id, int regnum, u16 value)
+{
+ struct tgec_mdio_controller __iomem *regs = bus->priv;
+ uint16_t dev_addr = regnum >> 16;
+ int ret;
+
+ /* Setup the MII Mgmt clock speed */
+ out_be32(®s->mdio_stat, MDIO_STAT_CLKDIV(100));
+
+ ret = xgmac_wait_until_free(&bus->dev, regs);
+ if (ret)
+ return ret;
+
+ /* Set the port and dev addr */
+ out_be32(®s->mdio_ctl,
+ MDIO_CTL_PORT_ADDR(phy_id) | MDIO_CTL_DEV_ADDR(dev_addr));
+
+ /* Set the register address */
+ out_be32(®s->mdio_addr, regnum & 0xffff);
+
+ ret = xgmac_wait_until_free(&bus->dev, regs);
+ if (ret)
+ return ret;
+
+ /* Write the value to the register */
+ out_be32(®s->mdio_data, MDIO_DATA(value));
+
+ ret = xgmac_wait_until_done(&bus->dev, regs);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+/*
+ * Reads from register regnum in the PHY for device dev, returning the value.
+ * Clears miimcom first. All PHY configuration has to be done through the
+ * TSEC1 MIIM regs.
+ */
+static int xgmac_mdio_read(struct mii_bus *bus, int phy_id, int regnum)
+{
+ struct tgec_mdio_controller __iomem *regs = bus->priv;
+ uint16_t dev_addr = regnum >> 16;
+ uint32_t mdio_ctl;
+ uint16_t value;
+ int ret;
+
+ /* Setup the MII Mgmt clock speed */
+ out_be32(®s->mdio_stat, MDIO_STAT_CLKDIV(100));
+
+ ret = xgmac_wait_until_free(&bus->dev, regs);
+ if (ret)
+ return ret;
+
+ /* Set the Port and Device Addrs */
+ mdio_ctl = MDIO_CTL_PORT_ADDR(phy_id) | MDIO_CTL_DEV_ADDR(dev_addr);
+ out_be32(®s->mdio_ctl, mdio_ctl);
+
+ /* Set the register address */
+ out_be32(®s->mdio_addr, regnum & 0xffff);
+
+ ret = xgmac_wait_until_free(&bus->dev, regs);
+ if (ret)
+ return ret;
+
+ /* Initiate the read */
+ out_be32(®s->mdio_ctl, mdio_ctl | MDIO_CTL_READ);
+
+ ret = xgmac_wait_until_done(&bus->dev, regs);
+ if (ret)
+ return ret;
+
+ /* Return all Fs if nothing was there */
+ if (in_be32(®s->mdio_stat) & MDIO_STAT_RD_ER) {
+ dev_err(&bus->dev, "MDIO read error\n");
+ return 0xffff;
+ }
+
+ value = in_be32(®s->mdio_data) & 0xffff;
+ dev_dbg(&bus->dev, "read %04x\n", value);
+
+ return value;
+}
+
+/* Reset the MIIM registers, and wait for the bus to free */
+static int xgmac_mdio_reset(struct mii_bus *bus)
+{
+ struct tgec_mdio_controller __iomem *regs = bus->priv;
+ int ret;
+
+ mutex_lock(&bus->mdio_lock);
+
+ /* Setup the MII Mgmt clock speed */
+ out_be32(®s->mdio_stat, MDIO_STAT_CLKDIV(100));
+
+ ret = xgmac_wait_until_free(&bus->dev, regs);
+
+ mutex_unlock(&bus->mdio_lock);
+
+ return ret;
+}
+
+static int __devinit xgmac_mdio_probe(struct platform_device *pdev)
+{
+ struct device_node *np = pdev->dev.of_node;
+ struct mii_bus *bus;
+ struct resource res;
+ int ret;
+
+ ret = of_address_to_resource(np, 0, &res);
+ if (ret) {
+ dev_err(&pdev->dev, "could not obtain address\n");
+ return ret;
+ }
+
+ bus = mdiobus_alloc_size(PHY_MAX_ADDR * sizeof(int));
+ if (!bus)
+ return -ENOMEM;
+
+ bus->name = "Freescale XGMAC MDIO Bus";
+ bus->read = xgmac_mdio_read;
+ bus->write = xgmac_mdio_write;
+ bus->reset = xgmac_mdio_reset;
+ bus->irq = bus->priv;
+ bus->parent = &pdev->dev;
+ snprintf(bus->id, MII_BUS_ID_SIZE, "%llx", (unsigned long long)res.start);
+
+ /* Set the PHY base address */
+ bus->priv = of_iomap(np, 0);
+ if (!bus->priv) {
+ ret = -ENOMEM;
+ goto err_ioremap;
+ }
+
+ ret = of_mdiobus_register(bus, np);
+ if (ret) {
+ dev_err(&pdev->dev, "cannot register MDIO bus\n");
+ goto err_registration;
+ }
+
+ dev_set_drvdata(&pdev->dev, bus);
+
+ return 0;
+
+err_registration:
+ iounmap(bus->priv);
+
+err_ioremap:
+ mdiobus_free(bus);
+
+ return ret;
+}
+
+static int __devexit xgmac_mdio_remove(struct platform_device *pdev)
+{
+ struct mii_bus *bus = dev_get_drvdata(&pdev->dev);
+
+ mdiobus_unregister(bus);
+ iounmap(bus->priv);
+ mdiobus_free(bus);
+
+ return 0;
+}
+
+static struct of_device_id xgmac_mdio_match[] = {
+ {
+ .compatible = "fsl,fman-xmdio",
+ },
+ {},
+};
+MODULE_DEVICE_TABLE(of, xgmac_mdio_match);
+
+static struct platform_driver xgmac_mdio_driver = {
+ .driver = {
+ .name = "fsl-fman_xmdio",
+ .of_match_table = xgmac_mdio_match,
+ },
+ .probe = xgmac_mdio_probe,
+ .remove = xgmac_mdio_remove,
+};
+
+module_platform_driver(xgmac_mdio_driver);
+
+MODULE_DESCRIPTION("Freescale QorIQ 10G MDIO Controller");
+MODULE_LICENSE("GPL v2");
ecmd->autoneg = ((hw->media_type == e1000_media_type_fiber) ||
hw->autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE;
+
+ /* MDI-X => 1; MDI => 0 */
+ if ((hw->media_type == e1000_media_type_copper) &&
+ netif_carrier_ok(netdev))
+ ecmd->eth_tp_mdix = (!!adapter->phy_info.mdix_mode ?
+ ETH_TP_MDI_X :
+ ETH_TP_MDI);
+ else
+ ecmd->eth_tp_mdix = ETH_TP_MDI_INVALID;
+
+ if (hw->mdix == AUTO_ALL_MODES)
+ ecmd->eth_tp_mdix_ctrl = ETH_TP_MDI_AUTO;
+ else
+ ecmd->eth_tp_mdix_ctrl = hw->mdix;
return 0;
}
struct e1000_adapter *adapter = netdev_priv(netdev);
struct e1000_hw *hw = &adapter->hw;
+ /*
+ * MDI setting is only allowed when autoneg enabled because
+ * some hardware doesn't allow MDI setting when speed or
+ * duplex is forced.
+ */
+ if (ecmd->eth_tp_mdix_ctrl) {
+ if (hw->media_type != e1000_media_type_copper)
+ return -EOPNOTSUPP;
+
+ if ((ecmd->eth_tp_mdix_ctrl != ETH_TP_MDI_AUTO) &&
+ (ecmd->autoneg != AUTONEG_ENABLE)) {
+ e_err(drv, "forcing MDI/MDI-X state is not supported when link speed and/or duplex are forced\n");
+ return -EINVAL;
+ }
+ }
+
while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
msleep(1);
ecmd->advertising = hw->autoneg_advertised;
} else {
u32 speed = ethtool_cmd_speed(ecmd);
+ /* calling this overrides forced MDI setting */
if (e1000_set_spd_dplx(adapter, speed, ecmd->duplex)) {
clear_bit(__E1000_RESETTING, &adapter->flags);
return -EINVAL;
}
}
+ /* MDI-X => 2; MDI => 1; Auto => 3 */
+ if (ecmd->eth_tp_mdix_ctrl) {
+ if (ecmd->eth_tp_mdix_ctrl == ETH_TP_MDI_AUTO)
+ hw->mdix = AUTO_ALL_MODES;
+ else
+ hw->mdix = ecmd->eth_tp_mdix_ctrl;
+ }
+
/* reset the link */
if (netif_running(adapter->netdev)) {
default:
goto err_inval;
}
+
+ /* clear MDI, MDI(-X) override is only allowed when autoneg enabled */
+ hw->mdix = AUTO_ALL_MODES;
+
return 0;
err_inval:
else
ecmd->eth_tp_mdix = ETH_TP_MDI_INVALID;
+ if (hw->phy.mdix == AUTO_ALL_MODES)
+ ecmd->eth_tp_mdix_ctrl = ETH_TP_MDI_AUTO;
+ else
+ ecmd->eth_tp_mdix_ctrl = hw->phy.mdix;
+
return 0;
}
default:
goto err_inval;
}
+
+ /* clear MDI, MDI(-X) override is only allowed when autoneg enabled */
+ adapter->hw.phy.mdix = AUTO_ALL_MODES;
+
return 0;
err_inval:
return -EINVAL;
}
+ /*
+ * MDI setting is only allowed when autoneg enabled because
+ * some hardware doesn't allow MDI setting when speed or
+ * duplex is forced.
+ */
+ if (ecmd->eth_tp_mdix_ctrl) {
+ if (hw->phy.media_type != e1000_media_type_copper)
+ return -EOPNOTSUPP;
+
+ if ((ecmd->eth_tp_mdix_ctrl != ETH_TP_MDI_AUTO) &&
+ (ecmd->autoneg != AUTONEG_ENABLE)) {
+ e_err("forcing MDI/MDI-X state is not supported when link speed and/or duplex are forced\n");
+ return -EINVAL;
+ }
+ }
+
while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
usleep_range(1000, 2000);
hw->fc.requested_mode = e1000_fc_default;
} else {
u32 speed = ethtool_cmd_speed(ecmd);
+ /* calling this overrides forced MDI setting */
if (e1000_set_spd_dplx(adapter, speed, ecmd->duplex)) {
clear_bit(__E1000_RESETTING, &adapter->state);
return -EINVAL;
}
}
+ /* MDI-X => 2; MDI => 1; Auto => 3 */
+ if (ecmd->eth_tp_mdix_ctrl) {
+ /*
+ * fix up the value for auto (3 => 0) as zero is mapped
+ * internally to auto
+ */
+ if (ecmd->eth_tp_mdix_ctrl == ETH_TP_MDI_AUTO)
+ hw->phy.mdix = AUTO_ALL_MODES;
+ else
+ hw->phy.mdix = ecmd->eth_tp_mdix_ctrl;
+ }
+
/* reset the link */
if (netif_running(adapter->netdev)) {
e1000e_down(adapter);
e1000e_up(adapter);
- } else {
+ } else
e1000e_reset(adapter);
- }
clear_bit(__E1000_RESETTING, &adapter->state);
return 0;
#define I82577_PHY_STATUS2_SPEED_1000MBPS 0x0200
/* I82577 PHY Control 2 */
-#define I82577_PHY_CTRL2_AUTO_MDIX 0x0400
-#define I82577_PHY_CTRL2_FORCE_MDI_MDIX 0x0200
+#define I82577_PHY_CTRL2_MANUAL_MDIX 0x0200
+#define I82577_PHY_CTRL2_AUTO_MDI_MDIX 0x0400
+#define I82577_PHY_CTRL2_MDIX_CFG_MASK 0x0600
/* I82577 PHY Diagnostics Status */
#define I82577_DSTATUS_CABLE_LENGTH 0x03FC
if (ret_val)
return ret_val;
+ /* Set MDI/MDIX mode */
+ ret_val = e1e_rphy(hw, I82577_PHY_CTRL_2, &phy_data);
+ if (ret_val)
+ return ret_val;
+ phy_data &= ~I82577_PHY_CTRL2_MDIX_CFG_MASK;
+ /*
+ * Options:
+ * 0 - Auto (default)
+ * 1 - MDI mode
+ * 2 - MDI-X mode
+ */
+ switch (hw->phy.mdix) {
+ case 1:
+ break;
+ case 2:
+ phy_data |= I82577_PHY_CTRL2_MANUAL_MDIX;
+ break;
+ case 0:
+ default:
+ phy_data |= I82577_PHY_CTRL2_AUTO_MDI_MDIX;
+ break;
+ }
+ ret_val = e1e_wphy(hw, I82577_PHY_CTRL_2, phy_data);
+ if (ret_val)
+ return ret_val;
+
return e1000_set_master_slave_mode(hw);
}
phy_data |= I82580_CFG_ENABLE_DOWNSHIFT;
ret_val = phy->ops.write_reg(hw, I82580_CFG_REG, phy_data);
+ if (ret_val)
+ goto out;
+
+ /* Set MDI/MDIX mode */
+ ret_val = phy->ops.read_reg(hw, I82580_PHY_CTRL_2, &phy_data);
+ if (ret_val)
+ goto out;
+ phy_data &= ~I82580_PHY_CTRL2_MDIX_CFG_MASK;
+ /*
+ * Options:
+ * 0 - Auto (default)
+ * 1 - MDI mode
+ * 2 - MDI-X mode
+ */
+ switch (hw->phy.mdix) {
+ case 1:
+ break;
+ case 2:
+ phy_data |= I82580_PHY_CTRL2_MANUAL_MDIX;
+ break;
+ case 0:
+ default:
+ phy_data |= I82580_PHY_CTRL2_AUTO_MDI_MDIX;
+ break;
+ }
+ ret_val = hw->phy.ops.write_reg(hw, I82580_PHY_CTRL_2, phy_data);
out:
return ret_val;
if (ret_val)
goto out;
- phy_data &= ~I82580_PHY_CTRL2_AUTO_MDIX;
- phy_data &= ~I82580_PHY_CTRL2_FORCE_MDI_MDIX;
+ phy_data &= ~I82580_PHY_CTRL2_MDIX_CFG_MASK;
ret_val = phy->ops.write_reg(hw, I82580_PHY_CTRL_2, phy_data);
if (ret_val)
#define I82580_PHY_STATUS2_SPEED_100MBPS 0x0100
/* I82580 PHY Control 2 */
-#define I82580_PHY_CTRL2_AUTO_MDIX 0x0400
-#define I82580_PHY_CTRL2_FORCE_MDI_MDIX 0x0200
+#define I82580_PHY_CTRL2_MANUAL_MDIX 0x0200
+#define I82580_PHY_CTRL2_AUTO_MDI_MDIX 0x0400
+#define I82580_PHY_CTRL2_MDIX_CFG_MASK 0x0600
/* I82580 PHY Diagnostics Status */
#define I82580_DSTATUS_CABLE_LENGTH 0x03FC
}
ecmd->autoneg = hw->mac.autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE;
+
+ /* MDI-X => 2; MDI =>1; Invalid =>0 */
+ if (hw->phy.media_type == e1000_media_type_copper)
+ ecmd->eth_tp_mdix = hw->phy.is_mdix ? ETH_TP_MDI_X :
+ ETH_TP_MDI;
+ else
+ ecmd->eth_tp_mdix = ETH_TP_MDI_INVALID;
+
+ if (hw->phy.mdix == AUTO_ALL_MODES)
+ ecmd->eth_tp_mdix_ctrl = ETH_TP_MDI_AUTO;
+ else
+ ecmd->eth_tp_mdix_ctrl = hw->phy.mdix;
+
return 0;
}
return -EINVAL;
}
+ /*
+ * MDI setting is only allowed when autoneg enabled because
+ * some hardware doesn't allow MDI setting when speed or
+ * duplex is forced.
+ */
+ if (ecmd->eth_tp_mdix_ctrl) {
+ if (hw->phy.media_type != e1000_media_type_copper)
+ return -EOPNOTSUPP;
+
+ if ((ecmd->eth_tp_mdix_ctrl != ETH_TP_MDI_AUTO) &&
+ (ecmd->autoneg != AUTONEG_ENABLE)) {
+ dev_err(&adapter->pdev->dev, "forcing MDI/MDI-X state is not supported when link speed and/or duplex are forced\n");
+ return -EINVAL;
+ }
+ }
+
while (test_and_set_bit(__IGB_RESETTING, &adapter->state))
msleep(1);
hw->fc.requested_mode = e1000_fc_default;
} else {
u32 speed = ethtool_cmd_speed(ecmd);
+ /* calling this overrides forced MDI setting */
if (igb_set_spd_dplx(adapter, speed, ecmd->duplex)) {
clear_bit(__IGB_RESETTING, &adapter->state);
return -EINVAL;
}
}
+ /* MDI-X => 2; MDI => 1; Auto => 3 */
+ if (ecmd->eth_tp_mdix_ctrl) {
+ /*
+ * fix up the value for auto (3 => 0) as zero is mapped
+ * internally to auto
+ */
+ if (ecmd->eth_tp_mdix_ctrl == ETH_TP_MDI_AUTO)
+ hw->phy.mdix = AUTO_ALL_MODES;
+ else
+ hw->phy.mdix = ecmd->eth_tp_mdix_ctrl;
+ }
+
/* reset the link */
if (netif_running(adapter->netdev)) {
igb_down(adapter);
default:
goto err_inval;
}
+
+ /* clear MDI, MDI(-X) override is only allowed when autoneg enabled */
+ adapter->hw.phy.mdix = AUTO_ALL_MODES;
+
return 0;
err_inval:
/* Supported Rx Buffer Sizes */
#define IXGBE_RXBUFFER_256 256 /* Used for skb receive header */
+#define IXGBE_RXBUFFER_2K 2048
+#define IXGBE_RXBUFFER_3K 3072
+#define IXGBE_RXBUFFER_4K 4096
#define IXGBE_MAX_RXBUFFER 16384 /* largest size for a single descriptor */
/*
#define IXGBE_TX_FLAGS_FSO (u32)(1 << 6)
#define IXGBE_TX_FLAGS_TXSW (u32)(1 << 7)
#define IXGBE_TX_FLAGS_TSTAMP (u32)(1 << 8)
+#define IXGBE_TX_FLAGS_NO_IFCS (u32)(1 << 9)
#define IXGBE_TX_FLAGS_VLAN_MASK 0xffff0000
#define IXGBE_TX_FLAGS_VLAN_PRIO_MASK 0xe0000000
#define IXGBE_TX_FLAGS_VLAN_PRIO_SHIFT 29
* this is twice the size of a half page we need to double the page order
* for FCoE enabled Rx queues.
*/
-#if defined(IXGBE_FCOE) && (PAGE_SIZE < 8192)
-static inline unsigned int ixgbe_rx_pg_order(struct ixgbe_ring *ring)
+static inline unsigned int ixgbe_rx_bufsz(struct ixgbe_ring *ring)
{
- return test_bit(__IXGBE_RX_FCOE, &ring->state) ? 1 : 0;
+#ifdef IXGBE_FCOE
+ if (test_bit(__IXGBE_RX_FCOE, &ring->state))
+ return (PAGE_SIZE < 8192) ? IXGBE_RXBUFFER_4K :
+ IXGBE_RXBUFFER_3K;
+#endif
+ return IXGBE_RXBUFFER_2K;
}
-#else
-#define ixgbe_rx_pg_order(_ring) 0
+
+static inline unsigned int ixgbe_rx_pg_order(struct ixgbe_ring *ring)
+{
+#ifdef IXGBE_FCOE
+ if (test_bit(__IXGBE_RX_FCOE, &ring->state))
+ return (PAGE_SIZE < 8192) ? 1 : 0;
#endif
+ return 0;
+}
#define ixgbe_rx_pg_size(_ring) (PAGE_SIZE << ixgbe_rx_pg_order(_ring))
-#define ixgbe_rx_bufsz(_ring) ((PAGE_SIZE / 2) << ixgbe_rx_pg_order(_ring))
struct ixgbe_ring_container {
struct ixgbe_ring *ring; /* pointer to linked list of rings */
}
bi->dma = dma;
- bi->page_offset ^= ixgbe_rx_bufsz(rx_ring);
+ bi->page_offset = 0;
return true;
}
return max_len;
}
-static void ixgbe_get_rsc_cnt(struct ixgbe_ring *rx_ring,
- union ixgbe_adv_rx_desc *rx_desc,
- struct sk_buff *skb)
-{
- __le32 rsc_enabled;
- u32 rsc_cnt;
-
- if (!ring_is_rsc_enabled(rx_ring))
- return;
-
- rsc_enabled = rx_desc->wb.lower.lo_dword.data &
- cpu_to_le32(IXGBE_RXDADV_RSCCNT_MASK);
-
- /* If this is an RSC frame rsc_cnt should be non-zero */
- if (!rsc_enabled)
- return;
-
- rsc_cnt = le32_to_cpu(rsc_enabled);
- rsc_cnt >>= IXGBE_RXDADV_RSCCNT_SHIFT;
-
- IXGBE_CB(skb)->append_cnt += rsc_cnt - 1;
-}
-
static void ixgbe_set_rsc_gso_size(struct ixgbe_ring *ring,
struct sk_buff *skb)
{
prefetch(IXGBE_RX_DESC(rx_ring, ntc));
- if (likely(ixgbe_test_staterr(rx_desc, IXGBE_RXD_STAT_EOP)))
- return false;
+ /* update RSC append count if present */
+ if (ring_is_rsc_enabled(rx_ring)) {
+ __le32 rsc_enabled = rx_desc->wb.lower.lo_dword.data &
+ cpu_to_le32(IXGBE_RXDADV_RSCCNT_MASK);
+
+ if (unlikely(rsc_enabled)) {
+ u32 rsc_cnt = le32_to_cpu(rsc_enabled);
- /* append_cnt indicates packet is RSC, if so fetch nextp */
- if (IXGBE_CB(skb)->append_cnt) {
- ntc = le32_to_cpu(rx_desc->wb.upper.status_error);
- ntc &= IXGBE_RXDADV_NEXTP_MASK;
- ntc >>= IXGBE_RXDADV_NEXTP_SHIFT;
+ rsc_cnt >>= IXGBE_RXDADV_RSCCNT_SHIFT;
+ IXGBE_CB(skb)->append_cnt += rsc_cnt - 1;
+
+ /* update ntc based on RSC value */
+ ntc = le32_to_cpu(rx_desc->wb.upper.status_error);
+ ntc &= IXGBE_RXDADV_NEXTP_MASK;
+ ntc >>= IXGBE_RXDADV_NEXTP_SHIFT;
+ }
}
+ /* if we are the last buffer then there is nothing else to do */
+ if (likely(ixgbe_test_staterr(rx_desc, IXGBE_RXD_STAT_EOP)))
+ return false;
+
/* place skb in next buffer to be received */
rx_ring->rx_buffer_info[ntc].skb = skb;
rx_ring->rx_stats.non_eop_descs++;
}
/**
+ * ixgbe_pull_tail - ixgbe specific version of skb_pull_tail
+ * @rx_ring: rx descriptor ring packet is being transacted on
+ * @skb: pointer to current skb being adjusted
+ *
+ * This function is an ixgbe specific version of __pskb_pull_tail. The
+ * main difference between this version and the original function is that
+ * this function can make several assumptions about the state of things
+ * that allow for significant optimizations versus the standard function.
+ * As a result we can do things like drop a frag and maintain an accurate
+ * truesize for the skb.
+ */
+static void ixgbe_pull_tail(struct ixgbe_ring *rx_ring,
+ struct sk_buff *skb)
+{
+ struct skb_frag_struct *frag = &skb_shinfo(skb)->frags[0];
+ unsigned char *va;
+ unsigned int pull_len;
+
+ /*
+ * it is valid to use page_address instead of kmap since we are
+ * working with pages allocated out of the lomem pool per
+ * alloc_page(GFP_ATOMIC)
+ */
+ va = skb_frag_address(frag);
+
+ /*
+ * we need the header to contain the greater of either ETH_HLEN or
+ * 60 bytes if the skb->len is less than 60 for skb_pad.
+ */
+ pull_len = ixgbe_get_headlen(va, IXGBE_RX_HDR_SIZE);
+
+ /* align pull length to size of long to optimize memcpy performance */
+ skb_copy_to_linear_data(skb, va, ALIGN(pull_len, sizeof(long)));
+
+ /* update all of the pointers */
+ skb_frag_size_sub(frag, pull_len);
+ frag->page_offset += pull_len;
+ skb->data_len -= pull_len;
+ skb->tail += pull_len;
+}
+
+/**
+ * ixgbe_dma_sync_frag - perform DMA sync for first frag of SKB
+ * @rx_ring: rx descriptor ring packet is being transacted on
+ * @skb: pointer to current skb being updated
+ *
+ * This function provides a basic DMA sync up for the first fragment of an
+ * skb. The reason for doing this is that the first fragment cannot be
+ * unmapped until we have reached the end of packet descriptor for a buffer
+ * chain.
+ */
+static void ixgbe_dma_sync_frag(struct ixgbe_ring *rx_ring,
+ struct sk_buff *skb)
+{
+ /* if the page was released unmap it, else just sync our portion */
+ if (unlikely(IXGBE_CB(skb)->page_released)) {
+ dma_unmap_page(rx_ring->dev, IXGBE_CB(skb)->dma,
+ ixgbe_rx_pg_size(rx_ring), DMA_FROM_DEVICE);
+ IXGBE_CB(skb)->page_released = false;
+ } else {
+ struct skb_frag_struct *frag = &skb_shinfo(skb)->frags[0];
+
+ dma_sync_single_range_for_cpu(rx_ring->dev,
+ IXGBE_CB(skb)->dma,
+ frag->page_offset,
+ ixgbe_rx_bufsz(rx_ring),
+ DMA_FROM_DEVICE);
+ }
+ IXGBE_CB(skb)->dma = 0;
+}
+
+/**
* ixgbe_cleanup_headers - Correct corrupted or empty headers
* @rx_ring: rx descriptor ring packet is being transacted on
* @rx_desc: pointer to the EOP Rx descriptor
union ixgbe_adv_rx_desc *rx_desc,
struct sk_buff *skb)
{
- struct skb_frag_struct *frag = &skb_shinfo(skb)->frags[0];
struct net_device *netdev = rx_ring->netdev;
- unsigned char *va;
- unsigned int pull_len;
-
- /* if the page was released unmap it, else just sync our portion */
- if (unlikely(IXGBE_CB(skb)->page_released)) {
- dma_unmap_page(rx_ring->dev, IXGBE_CB(skb)->dma,
- ixgbe_rx_pg_size(rx_ring), DMA_FROM_DEVICE);
- IXGBE_CB(skb)->page_released = false;
- } else {
- dma_sync_single_range_for_cpu(rx_ring->dev,
- IXGBE_CB(skb)->dma,
- frag->page_offset,
- ixgbe_rx_bufsz(rx_ring),
- DMA_FROM_DEVICE);
- }
- IXGBE_CB(skb)->dma = 0;
/* verify that the packet does not have any known errors */
if (unlikely(ixgbe_test_staterr(rx_desc,
return true;
}
- /*
- * it is valid to use page_address instead of kmap since we are
- * working with pages allocated out of the lomem pool per
- * alloc_page(GFP_ATOMIC)
- */
- va = skb_frag_address(frag);
-
- /*
- * we need the header to contain the greater of either ETH_HLEN or
- * 60 bytes if the skb->len is less than 60 for skb_pad.
- */
- pull_len = skb_frag_size(frag);
- if (pull_len > IXGBE_RX_HDR_SIZE)
- pull_len = ixgbe_get_headlen(va, IXGBE_RX_HDR_SIZE);
-
- /* align pull length to size of long to optimize memcpy performance */
- skb_copy_to_linear_data(skb, va, ALIGN(pull_len, sizeof(long)));
-
- /* update all of the pointers */
- skb_frag_size_sub(frag, pull_len);
- frag->page_offset += pull_len;
- skb->data_len -= pull_len;
- skb->tail += pull_len;
-
- /*
- * if we sucked the frag empty then we should free it,
- * if there are other frags here something is screwed up in hardware
- */
- if (skb_frag_size(frag) == 0) {
- BUG_ON(skb_shinfo(skb)->nr_frags != 1);
- skb_shinfo(skb)->nr_frags = 0;
- __skb_frag_unref(frag);
- skb->truesize -= ixgbe_rx_bufsz(rx_ring);
- }
+ /* place header in linear portion of buffer */
+ if (skb_is_nonlinear(skb))
+ ixgbe_pull_tail(rx_ring, skb);
#ifdef IXGBE_FCOE
/* do not attempt to pad FCoE Frames as this will disrupt DDP */
}
/**
- * ixgbe_can_reuse_page - determine if we can reuse a page
- * @rx_buffer: pointer to rx_buffer containing the page we want to reuse
- *
- * Returns true if page can be reused in another Rx buffer
- **/
-static inline bool ixgbe_can_reuse_page(struct ixgbe_rx_buffer *rx_buffer)
-{
- struct page *page = rx_buffer->page;
-
- /* if we are only owner of page and it is local we can reuse it */
- return likely(page_count(page) == 1) &&
- likely(page_to_nid(page) == numa_node_id());
-}
-
-/**
* ixgbe_reuse_rx_page - page flip buffer and store it back on the ring
* @rx_ring: rx descriptor ring to store buffers on
* @old_buff: donor buffer to have page reused
*
- * Syncronizes page for reuse by the adapter
+ * Synchronizes page for reuse by the adapter
**/
static void ixgbe_reuse_rx_page(struct ixgbe_ring *rx_ring,
struct ixgbe_rx_buffer *old_buff)
{
struct ixgbe_rx_buffer *new_buff;
u16 nta = rx_ring->next_to_alloc;
- u16 bufsz = ixgbe_rx_bufsz(rx_ring);
new_buff = &rx_ring->rx_buffer_info[nta];
/* transfer page from old buffer to new buffer */
new_buff->page = old_buff->page;
new_buff->dma = old_buff->dma;
-
- /* flip page offset to other buffer and store to new_buff */
- new_buff->page_offset = old_buff->page_offset ^ bufsz;
+ new_buff->page_offset = old_buff->page_offset;
/* sync the buffer for use by the device */
dma_sync_single_range_for_device(rx_ring->dev, new_buff->dma,
- new_buff->page_offset, bufsz,
+ new_buff->page_offset,
+ ixgbe_rx_bufsz(rx_ring),
DMA_FROM_DEVICE);
-
- /* bump ref count on page before it is given to the stack */
- get_page(new_buff->page);
}
/**
* @rx_desc: descriptor containing length of buffer written by hardware
* @skb: sk_buff to place the data into
*
- * This function is based on skb_add_rx_frag. I would have used that
- * function however it doesn't handle the truesize case correctly since we
- * are allocating more memory than might be used for a single receive.
+ * This function will add the data contained in rx_buffer->page to the skb.
+ * This is done either through a direct copy if the data in the buffer is
+ * less than the skb header size, otherwise it will just attach the page as
+ * a frag to the skb.
+ *
+ * The function will then update the page offset if necessary and return
+ * true if the buffer can be reused by the adapter.
**/
-static void ixgbe_add_rx_frag(struct ixgbe_ring *rx_ring,
+static bool ixgbe_add_rx_frag(struct ixgbe_ring *rx_ring,
struct ixgbe_rx_buffer *rx_buffer,
- struct sk_buff *skb, int size)
+ union ixgbe_adv_rx_desc *rx_desc,
+ struct sk_buff *skb)
{
- skb_fill_page_desc(skb, skb_shinfo(skb)->nr_frags,
- rx_buffer->page, rx_buffer->page_offset,
- size);
- skb->len += size;
- skb->data_len += size;
- skb->truesize += ixgbe_rx_bufsz(rx_ring);
+ struct page *page = rx_buffer->page;
+ unsigned int size = le16_to_cpu(rx_desc->wb.upper.length);
+#if (PAGE_SIZE < 8192)
+ unsigned int truesize = ixgbe_rx_bufsz(rx_ring);
+#else
+ unsigned int truesize = ALIGN(size, L1_CACHE_BYTES);
+ unsigned int last_offset = ixgbe_rx_pg_size(rx_ring) -
+ ixgbe_rx_bufsz(rx_ring);
+#endif
+
+ if ((size <= IXGBE_RX_HDR_SIZE) && !skb_is_nonlinear(skb)) {
+ unsigned char *va = page_address(page) + rx_buffer->page_offset;
+
+ memcpy(__skb_put(skb, size), va, ALIGN(size, sizeof(long)));
+
+ /* we can reuse buffer as-is, just make sure it is local */
+ if (likely(page_to_nid(page) == numa_node_id()))
+ return true;
+
+ /* this page cannot be reused so discard it */
+ put_page(page);
+ return false;
+ }
+
+ skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, page,
+ rx_buffer->page_offset, size, truesize);
+
+ /* avoid re-using remote pages */
+ if (unlikely(page_to_nid(page) != numa_node_id()))
+ return false;
+
+#if (PAGE_SIZE < 8192)
+ /* if we are only owner of page we can reuse it */
+ if (unlikely(page_count(page) != 1))
+ return false;
+
+ /* flip page offset to other buffer */
+ rx_buffer->page_offset ^= truesize;
+
+ /*
+ * since we are the only owner of the page and we need to
+ * increment it, just set the value to 2 in order to avoid
+ * an unecessary locked operation
+ */
+ atomic_set(&page->_count, 2);
+#else
+ /* move offset up to the next cache line */
+ rx_buffer->page_offset += truesize;
+
+ if (rx_buffer->page_offset > last_offset)
+ return false;
+
+ /* bump ref count on page before it is given to the stack */
+ get_page(page);
+#endif
+
+ return true;
+}
+
+static struct sk_buff *ixgbe_fetch_rx_buffer(struct ixgbe_ring *rx_ring,
+ union ixgbe_adv_rx_desc *rx_desc)
+{
+ struct ixgbe_rx_buffer *rx_buffer;
+ struct sk_buff *skb;
+ struct page *page;
+
+ rx_buffer = &rx_ring->rx_buffer_info[rx_ring->next_to_clean];
+ page = rx_buffer->page;
+ prefetchw(page);
+
+ skb = rx_buffer->skb;
+
+ if (likely(!skb)) {
+ void *page_addr = page_address(page) +
+ rx_buffer->page_offset;
+
+ /* prefetch first cache line of first page */
+ prefetch(page_addr);
+#if L1_CACHE_BYTES < 128
+ prefetch(page_addr + L1_CACHE_BYTES);
+#endif
+
+ /* allocate a skb to store the frags */
+ skb = netdev_alloc_skb_ip_align(rx_ring->netdev,
+ IXGBE_RX_HDR_SIZE);
+ if (unlikely(!skb)) {
+ rx_ring->rx_stats.alloc_rx_buff_failed++;
+ return NULL;
+ }
+
+ /*
+ * we will be copying header into skb->data in
+ * pskb_may_pull so it is in our interest to prefetch
+ * it now to avoid a possible cache miss
+ */
+ prefetchw(skb->data);
+
+ /*
+ * Delay unmapping of the first packet. It carries the
+ * header information, HW may still access the header
+ * after the writeback. Only unmap it when EOP is
+ * reached
+ */
+ if (likely(ixgbe_test_staterr(rx_desc, IXGBE_RXD_STAT_EOP)))
+ goto dma_sync;
+
+ IXGBE_CB(skb)->dma = rx_buffer->dma;
+ } else {
+ if (ixgbe_test_staterr(rx_desc, IXGBE_RXD_STAT_EOP))
+ ixgbe_dma_sync_frag(rx_ring, skb);
+
+dma_sync:
+ /* we are reusing so sync this buffer for CPU use */
+ dma_sync_single_range_for_cpu(rx_ring->dev,
+ rx_buffer->dma,
+ rx_buffer->page_offset,
+ ixgbe_rx_bufsz(rx_ring),
+ DMA_FROM_DEVICE);
+ }
+
+ /* pull page into skb */
+ if (ixgbe_add_rx_frag(rx_ring, rx_buffer, rx_desc, skb)) {
+ /* hand second half of page back to the ring */
+ ixgbe_reuse_rx_page(rx_ring, rx_buffer);
+ } else if (IXGBE_CB(skb)->dma == rx_buffer->dma) {
+ /* the page has been released from the ring */
+ IXGBE_CB(skb)->page_released = true;
+ } else {
+ /* we are not reusing the buffer so unmap it */
+ dma_unmap_page(rx_ring->dev, rx_buffer->dma,
+ ixgbe_rx_pg_size(rx_ring),
+ DMA_FROM_DEVICE);
+ }
+
+ /* clear contents of buffer_info */
+ rx_buffer->skb = NULL;
+ rx_buffer->dma = 0;
+ rx_buffer->page = NULL;
+
+ return skb;
}
/**
u16 cleaned_count = ixgbe_desc_unused(rx_ring);
do {
- struct ixgbe_rx_buffer *rx_buffer;
union ixgbe_adv_rx_desc *rx_desc;
struct sk_buff *skb;
- struct page *page;
- u16 ntc;
/* return some buffers to hardware, one at a time is too slow */
if (cleaned_count >= IXGBE_RX_BUFFER_WRITE) {
cleaned_count = 0;
}
- ntc = rx_ring->next_to_clean;
- rx_desc = IXGBE_RX_DESC(rx_ring, ntc);
- rx_buffer = &rx_ring->rx_buffer_info[ntc];
+ rx_desc = IXGBE_RX_DESC(rx_ring, rx_ring->next_to_clean);
if (!ixgbe_test_staterr(rx_desc, IXGBE_RXD_STAT_DD))
break;
*/
rmb();
- page = rx_buffer->page;
- prefetchw(page);
-
- skb = rx_buffer->skb;
+ /* retrieve a buffer from the ring */
+ skb = ixgbe_fetch_rx_buffer(rx_ring, rx_desc);
- if (likely(!skb)) {
- void *page_addr = page_address(page) +
- rx_buffer->page_offset;
-
- /* prefetch first cache line of first page */
- prefetch(page_addr);
-#if L1_CACHE_BYTES < 128
- prefetch(page_addr + L1_CACHE_BYTES);
-#endif
-
- /* allocate a skb to store the frags */
- skb = netdev_alloc_skb_ip_align(rx_ring->netdev,
- IXGBE_RX_HDR_SIZE);
- if (unlikely(!skb)) {
- rx_ring->rx_stats.alloc_rx_buff_failed++;
- break;
- }
-
- /*
- * we will be copying header into skb->data in
- * pskb_may_pull so it is in our interest to prefetch
- * it now to avoid a possible cache miss
- */
- prefetchw(skb->data);
-
- /*
- * Delay unmapping of the first packet. It carries the
- * header information, HW may still access the header
- * after the writeback. Only unmap it when EOP is
- * reached
- */
- IXGBE_CB(skb)->dma = rx_buffer->dma;
- } else {
- /* we are reusing so sync this buffer for CPU use */
- dma_sync_single_range_for_cpu(rx_ring->dev,
- rx_buffer->dma,
- rx_buffer->page_offset,
- ixgbe_rx_bufsz(rx_ring),
- DMA_FROM_DEVICE);
- }
-
- /* pull page into skb */
- ixgbe_add_rx_frag(rx_ring, rx_buffer, skb,
- le16_to_cpu(rx_desc->wb.upper.length));
-
- if (ixgbe_can_reuse_page(rx_buffer)) {
- /* hand second half of page back to the ring */
- ixgbe_reuse_rx_page(rx_ring, rx_buffer);
- } else if (IXGBE_CB(skb)->dma == rx_buffer->dma) {
- /* the page has been released from the ring */
- IXGBE_CB(skb)->page_released = true;
- } else {
- /* we are not reusing the buffer so unmap it */
- dma_unmap_page(rx_ring->dev, rx_buffer->dma,
- ixgbe_rx_pg_size(rx_ring),
- DMA_FROM_DEVICE);
- }
-
- /* clear contents of buffer_info */
- rx_buffer->skb = NULL;
- rx_buffer->dma = 0;
- rx_buffer->page = NULL;
-
- ixgbe_get_rsc_cnt(rx_ring, rx_desc, skb);
+ /* exit if we failed to retrieve a buffer */
+ if (!skb)
+ break;
cleaned_count++;
srrctl = IXGBE_RX_HDR_SIZE << IXGBE_SRRCTL_BSIZEHDRSIZE_SHIFT;
/* configure the packet buffer length */
-#if PAGE_SIZE > IXGBE_MAX_RXBUFFER
- srrctl |= IXGBE_MAX_RXBUFFER >> IXGBE_SRRCTL_BSIZEPKT_SHIFT;
-#else
srrctl |= ixgbe_rx_bufsz(rx_ring) >> IXGBE_SRRCTL_BSIZEPKT_SHIFT;
-#endif
/* configure descriptor type */
srrctl |= IXGBE_SRRCTL_DESCTYPE_ADV_ONEBUF;
* total size of max desc * buf_len is not greater
* than 65536
*/
-#if (PAGE_SIZE <= 8192)
rscctrl |= IXGBE_RSCCTL_MAXDESC_16;
-#elif (PAGE_SIZE <= 16384)
- rscctrl |= IXGBE_RSCCTL_MAXDESC_8;
-#else
- rscctrl |= IXGBE_RSCCTL_MAXDESC_4;
-#endif
IXGBE_WRITE_REG(hw, IXGBE_RSCCTL(reg_idx), rscctrl);
}
}
/**
- * ixgbe_init_rx_page_offset - initialize page offset values for Rx buffers
- * @rx_ring: ring to setup
- *
- * On many IA platforms the L1 cache has a critical stride of 4K, this
- * results in each receive buffer starting in the same cache set. To help
- * reduce the pressure on this cache set we can interleave the offsets so
- * that only every other buffer will be in the same cache set.
- **/
-static void ixgbe_init_rx_page_offset(struct ixgbe_ring *rx_ring)
-{
- struct ixgbe_rx_buffer *rx_buffer = rx_ring->rx_buffer_info;
- u16 i;
-
- for (i = 0; i < rx_ring->count; i += 2) {
- rx_buffer[0].page_offset = 0;
- rx_buffer[1].page_offset = ixgbe_rx_bufsz(rx_ring);
- rx_buffer = &rx_buffer[2];
- }
-}
-
-/**
* ixgbe_clean_rx_ring - Free Rx Buffers per Queue
* @rx_ring: ring to free buffers from
**/
size = sizeof(struct ixgbe_rx_buffer) * rx_ring->count;
memset(rx_ring->rx_buffer_info, 0, size);
- ixgbe_init_rx_page_offset(rx_ring);
-
/* Zero out the descriptor ring */
memset(rx_ring->desc, 0, rx_ring->size);
rx_ring->next_to_clean = 0;
rx_ring->next_to_use = 0;
- ixgbe_init_rx_page_offset(rx_ring);
-
return 0;
err:
vfree(rx_ring->rx_buffer_info);
u32 type_tucmd = 0;
if (skb->ip_summed != CHECKSUM_PARTIAL) {
- if (!(first->tx_flags & IXGBE_TX_FLAGS_HW_VLAN) &&
- !(first->tx_flags & IXGBE_TX_FLAGS_TXSW))
- return;
+ if (!(first->tx_flags & IXGBE_TX_FLAGS_HW_VLAN)) {
+ if (unlikely(skb->no_fcs))
+ first->tx_flags |= IXGBE_TX_FLAGS_NO_IFCS;
+ if (!(first->tx_flags & IXGBE_TX_FLAGS_TXSW))
+ return;
+ }
} else {
u8 l4_hdr = 0;
switch (first->protocol) {
{
/* set type for advanced descriptor with frame checksum insertion */
__le32 cmd_type = cpu_to_le32(IXGBE_ADVTXD_DTYP_DATA |
- IXGBE_ADVTXD_DCMD_IFCS |
IXGBE_ADVTXD_DCMD_DEXT);
/* set HW vlan bit if vlan is present */
#endif
cmd_type |= cpu_to_le32(IXGBE_ADVTXD_DCMD_TSE);
+ /* insert frame checksum */
+ if (!(tx_flags & IXGBE_TX_FLAGS_NO_IFCS))
+ cmd_type |= cpu_to_le32(IXGBE_ADVTXD_DCMD_IFCS);
+
return cmd_type;
}
if (likely(!data_len))
break;
- if (unlikely(skb->no_fcs))
- cmd_type &= ~(cpu_to_le32(IXGBE_ADVTXD_DCMD_IFCS));
tx_desc->read.cmd_type_len = cmd_type | cpu_to_le32(size);
i++;
pause_flags = 0;
/* setup pause frame */
- if (np->duplex != 0) {
+ if (netif_running(dev) && (np->duplex != 0)) {
if (np->autoneg && np->pause_flags & NV_PAUSEFRAME_AUTONEG) {
adv_pause = adv & (ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM);
lpa_pause = lpa & (LPA_PAUSE_CAP | LPA_PAUSE_ASYM);
regs->version = FORCEDETH_REGS_VER;
spin_lock_irq(&np->lock);
- for (i = 0; i <= np->register_size/sizeof(u32); i++)
+ for (i = 0; i < np->register_size/sizeof(u32); i++)
rbuf[i] = readl(base + i*sizeof(u32));
spin_unlock_irq(&np->lock);
}
netif_stop_queue(dev);
spin_lock_irq(&np->lock);
+ nv_update_pause(dev, 0); /* otherwise stop_tx bricks NIC */
nv_stop_rxtx(dev);
nv_txrx_reset(dev);
goto out_error;
}
+ netif_carrier_off(dev);
+
+ /* Some NICs freeze when TX pause is enabled while NIC is
+ * down, and this stays across warm reboots. The sequence
+ * below should be enough to recover from that state.
+ */
+ nv_update_pause(dev, 0);
+ nv_start_tx(dev);
+ nv_stop_tx(dev);
+
if (id->driver_data & DEV_HAS_VLAN)
nv_vlan_mode(dev, dev->features);
- netif_carrier_off(dev);
-
dev_info(&pci_dev->dev, "ifname %s, PHY OUI 0x%x @ %d, addr %pM\n",
dev->name, np->phy_oui, np->phyaddr, dev->dev_addr);
#define EFX_ASSERT_RESET_SERIALISED(efx) \
do { \
- if ((efx->state == STATE_RUNNING) || \
+ if ((efx->state == STATE_READY) || \
(efx->state == STATE_DISABLED)) \
ASSERT_RTNL(); \
} while (0)
+static int efx_check_disabled(struct efx_nic *efx)
+{
+ if (efx->state == STATE_DISABLED) {
+ netif_err(efx, drv, efx->net_dev,
+ "device is disabled due to earlier errors\n");
+ return -EIO;
+ }
+ return 0;
+}
+
/**************************************************************************
*
* Event queue processing
efx->rx_buffer_order = get_order(efx->rx_buffer_len +
sizeof(struct efx_rx_page_state));
+ /* We must keep at least one descriptor in a TX ring empty.
+ * We could avoid this when the queue size does not exactly
+ * match the hardware ring size, but it's not that important.
+ * Therefore we stop the queue when one more skb might fill
+ * the ring completely. We wake it when half way back to
+ * empty.
+ */
+ efx->txq_stop_thresh = efx->txq_entries - efx_tx_max_skb_descs(efx);
+ efx->txq_wake_thresh = efx->txq_stop_thresh / 2;
+
/* Initialise the channels */
efx_for_each_channel(channel, efx) {
efx_for_each_channel_tx_queue(tx_queue, channel)
struct efx_channel *other_channel[EFX_MAX_CHANNELS], *channel;
u32 old_rxq_entries, old_txq_entries;
unsigned i, next_buffer_table = 0;
- int rc = 0;
+ int rc;
+
+ rc = efx_check_disabled(efx);
+ if (rc)
+ return rc;
/* Not all channels should be reallocated. We must avoid
* reallocating their buffer table entries.
{
struct efx_channel *channel;
+ BUG_ON(efx->state == STATE_DISABLED);
+
if (efx->legacy_irq)
efx->legacy_irq_enabled = true;
efx_nic_enable_interrupts(efx);
{
struct efx_channel *channel;
+ if (efx->state == STATE_DISABLED)
+ return;
+
efx_mcdi_mode_poll(efx);
efx_nic_disable_interrupts(efx);
return rc;
}
-/* Called after previous invocation(s) of efx_stop_all, restarts the port,
- * kernel transmit queues and NAPI processing, and ensures that the port is
- * scheduled to be reconfigured. This function is safe to call multiple
- * times when the NIC is in any state.
+/* If the interface is supposed to be running but is not, start
+ * the hardware and software data path, regular activity for the port
+ * (MAC statistics, link polling, etc.) and schedule the port to be
+ * reconfigured. Interrupts must already be enabled. This function
+ * is safe to call multiple times, so long as the NIC is not disabled.
+ * Requires the RTNL lock.
*/
static void efx_start_all(struct efx_nic *efx)
{
EFX_ASSERT_RESET_SERIALISED(efx);
+ BUG_ON(efx->state == STATE_DISABLED);
/* Check that it is appropriate to restart the interface. All
* of these flags are safe to read under just the rtnl lock */
- if (efx->port_enabled)
- return;
- if ((efx->state != STATE_RUNNING) && (efx->state != STATE_INIT))
- return;
- if (!netif_running(efx->net_dev))
+ if (efx->port_enabled || !netif_running(efx->net_dev))
return;
efx_start_port(efx);
cancel_work_sync(&efx->mac_work);
}
-/* Quiesce hardware and software without bringing the link down.
- * Safe to call multiple times, when the nic and interface is in any
- * state. The caller is guaranteed to subsequently be in a position
- * to modify any hardware and software state they see fit without
- * taking locks. */
+/* Quiesce the hardware and software data path, and regular activity
+ * for the port without bringing the link down. Safe to call multiple
+ * times with the NIC in almost any state, but interrupts should be
+ * enabled. Requires the RTNL lock.
+ */
static void efx_stop_all(struct efx_nic *efx)
{
EFX_ASSERT_RESET_SERIALISED(efx);
struct efx_nic *efx = netdev_priv(net_dev);
struct mii_ioctl_data *data = if_mii(ifr);
- EFX_ASSERT_RESET_SERIALISED(efx);
-
/* Convert phy_id from older PRTAD/DEVAD format */
if ((cmd == SIOCGMIIREG || cmd == SIOCSMIIREG) &&
(data->phy_id & 0xfc00) == 0x0400)
static int efx_net_open(struct net_device *net_dev)
{
struct efx_nic *efx = netdev_priv(net_dev);
- EFX_ASSERT_RESET_SERIALISED(efx);
+ int rc;
netif_dbg(efx, ifup, efx->net_dev, "opening device on CPU %d\n",
raw_smp_processor_id());
- if (efx->state == STATE_DISABLED)
- return -EIO;
+ rc = efx_check_disabled(efx);
+ if (rc)
+ return rc;
if (efx->phy_mode & PHY_MODE_SPECIAL)
return -EBUSY;
if (efx_mcdi_poll_reboot(efx) && efx_reset(efx, RESET_TYPE_ALL))
netif_dbg(efx, ifdown, efx->net_dev, "closing on CPU %d\n",
raw_smp_processor_id());
- if (efx->state != STATE_DISABLED) {
- /* Stop the device and flush all the channels */
- efx_stop_all(efx);
- }
+ /* Stop the device and flush all the channels */
+ efx_stop_all(efx);
return 0;
}
static int efx_change_mtu(struct net_device *net_dev, int new_mtu)
{
struct efx_nic *efx = netdev_priv(net_dev);
+ int rc;
- EFX_ASSERT_RESET_SERIALISED(efx);
-
+ rc = efx_check_disabled(efx);
+ if (rc)
+ return rc;
if (new_mtu > EFX_MAX_MTU)
return -EINVAL;
netif_dbg(efx, drv, efx->net_dev, "changing MTU to %d\n", new_mtu);
mutex_lock(&efx->mac_lock);
- /* Reconfigure the MAC before enabling the dma queues so that
- * the RX buffers don't overflow */
net_dev->mtu = new_mtu;
efx->type->reconfigure_mac(efx);
mutex_unlock(&efx->mac_lock);
struct sockaddr *addr = data;
char *new_addr = addr->sa_data;
- EFX_ASSERT_RESET_SERIALISED(efx);
-
if (!is_valid_ether_addr(new_addr)) {
netif_err(efx, drv, efx->net_dev,
"invalid ethernet MAC address requested: %pM\n",
rtnl_lock();
+ /* Enable resets to be scheduled and check whether any were
+ * already requested. If so, the NIC is probably hosed so we
+ * abort.
+ */
+ efx->state = STATE_READY;
+ smp_mb(); /* ensure we change state before checking reset_pending */
+ if (efx->reset_pending) {
+ netif_err(efx, probe, efx->net_dev,
+ "aborting probe due to scheduled reset\n");
+ rc = -EIO;
+ goto fail_locked;
+ }
+
rc = dev_alloc_name(net_dev, net_dev->name);
if (rc < 0)
goto fail_locked;
efx_update_name(efx);
+ /* Always start with carrier off; PHY events will detect the link */
+ netif_carrier_off(net_dev);
+
rc = register_netdevice(net_dev);
if (rc)
goto fail_locked;
efx_init_tx_queue_core_txq(tx_queue);
}
- /* Always start with carrier off; PHY events will detect the link */
- netif_carrier_off(net_dev);
-
rtnl_unlock();
rc = device_create_file(&efx->pci_dev->dev, &dev_attr_phy_type);
return 0;
+fail_registered:
+ rtnl_lock();
+ unregister_netdevice(net_dev);
fail_locked:
+ efx->state = STATE_UNINIT;
rtnl_unlock();
netif_err(efx, drv, efx->net_dev, "could not register net dev\n");
return rc;
-
-fail_registered:
- unregister_netdev(net_dev);
- return rc;
}
static void efx_unregister_netdev(struct efx_nic *efx)
strlcpy(efx->name, pci_name(efx->pci_dev), sizeof(efx->name));
device_remove_file(&efx->pci_dev->dev, &dev_attr_phy_type);
- unregister_netdev(efx->net_dev);
+
+ rtnl_lock();
+ unregister_netdevice(efx->net_dev);
+ efx->state = STATE_UNINIT;
+ rtnl_unlock();
}
/**************************************************************************
EFX_ASSERT_RESET_SERIALISED(efx);
efx_stop_all(efx);
- mutex_lock(&efx->mac_lock);
-
efx_stop_interrupts(efx, false);
+
+ mutex_lock(&efx->mac_lock);
if (efx->port_initialized && method != RESET_TYPE_INVISIBLE)
efx->phy_op->fini(efx);
efx->type->fini(efx);
if (!pending)
return;
- /* If we're not RUNNING then don't reset. Leave the reset_pending
- * flags set so that efx_pci_probe_main will be retried */
- if (efx->state != STATE_RUNNING) {
- netif_info(efx, drv, efx->net_dev,
- "scheduled reset quenched. NIC not RUNNING\n");
- return;
- }
-
rtnl_lock();
- (void)efx_reset(efx, fls(pending) - 1);
+
+ /* We checked the state in efx_schedule_reset() but it may
+ * have changed by now. Now that we have the RTNL lock,
+ * it cannot change again.
+ */
+ if (efx->state == STATE_READY)
+ (void)efx_reset(efx, fls(pending) - 1);
+
rtnl_unlock();
}
}
set_bit(method, &efx->reset_pending);
+ smp_mb(); /* ensure we change reset_pending before checking state */
+
+ /* If we're not READY then just leave the flags set as the cue
+ * to abort probing or reschedule the reset later.
+ */
+ if (ACCESS_ONCE(efx->state) != STATE_READY)
+ return;
/* efx_process_channel() will no longer read events once a
* reset is scheduled. So switch back to poll'd MCDI completions. */
/* This zeroes out and then fills in the invariants in a struct
* efx_nic (including all sub-structures).
*/
-static int efx_init_struct(struct efx_nic *efx, const struct efx_nic_type *type,
+static int efx_init_struct(struct efx_nic *efx,
struct pci_dev *pci_dev, struct net_device *net_dev)
{
int i;
/* Initialise common structures */
- memset(efx, 0, sizeof(*efx));
spin_lock_init(&efx->biu_lock);
#ifdef CONFIG_SFC_MTD
INIT_LIST_HEAD(&efx->mtd_list);
INIT_DELAYED_WORK(&efx->selftest_work, efx_selftest_async_work);
efx->pci_dev = pci_dev;
efx->msg_enable = debug;
- efx->state = STATE_INIT;
+ efx->state = STATE_UNINIT;
strlcpy(efx->name, pci_name(pci_dev), sizeof(efx->name));
efx->net_dev = net_dev;
goto fail;
}
- efx->type = type;
-
EFX_BUG_ON_PARANOID(efx->type->phys_addr_channels > EFX_MAX_CHANNELS);
/* Higher numbered interrupt modes are less capable! */
*/
static void efx_pci_remove_main(struct efx_nic *efx)
{
+ /* Flush reset_work. It can no longer be scheduled since we
+ * are not READY.
+ */
+ BUG_ON(efx->state == STATE_READY);
+ cancel_work_sync(&efx->reset_work);
+
#ifdef CONFIG_RFS_ACCEL
free_irq_cpu_rmap(efx->net_dev->rx_cpu_rmap);
efx->net_dev->rx_cpu_rmap = NULL;
/* Mark the NIC as fini, then stop the interface */
rtnl_lock();
- efx->state = STATE_FINI;
dev_close(efx->net_dev);
-
- /* Allow any queued efx_resets() to complete */
+ efx_stop_interrupts(efx, false);
rtnl_unlock();
- efx_stop_interrupts(efx, false);
efx_sriov_fini(efx);
efx_unregister_netdev(efx);
efx_mtd_remove(efx);
- /* Wait for any scheduled resets to complete. No more will be
- * scheduled from this point because efx_stop_all() has been
- * called, we are no longer registered with driverlink, and
- * the net_device's have been removed. */
- cancel_work_sync(&efx->reset_work);
-
efx_pci_remove_main(efx);
efx_fini_io(efx);
static int __devinit efx_pci_probe(struct pci_dev *pci_dev,
const struct pci_device_id *entry)
{
- const struct efx_nic_type *type = (const struct efx_nic_type *) entry->driver_data;
struct net_device *net_dev;
struct efx_nic *efx;
int rc;
EFX_MAX_RX_QUEUES);
if (!net_dev)
return -ENOMEM;
- net_dev->features |= (type->offload_features | NETIF_F_SG |
+ efx = netdev_priv(net_dev);
+ efx->type = (const struct efx_nic_type *) entry->driver_data;
+ net_dev->features |= (efx->type->offload_features | NETIF_F_SG |
NETIF_F_HIGHDMA | NETIF_F_TSO |
NETIF_F_RXCSUM);
- if (type->offload_features & NETIF_F_V6_CSUM)
+ if (efx->type->offload_features & NETIF_F_V6_CSUM)
net_dev->features |= NETIF_F_TSO6;
/* Mask for features that also apply to VLAN devices */
net_dev->vlan_features |= (NETIF_F_ALL_CSUM | NETIF_F_SG |
NETIF_F_RXCSUM);
/* All offloads can be toggled */
net_dev->hw_features = net_dev->features & ~NETIF_F_HIGHDMA;
- efx = netdev_priv(net_dev);
pci_set_drvdata(pci_dev, efx);
SET_NETDEV_DEV(net_dev, &pci_dev->dev);
- rc = efx_init_struct(efx, type, pci_dev, net_dev);
+ rc = efx_init_struct(efx, pci_dev, net_dev);
if (rc)
goto fail1;
goto fail2;
rc = efx_pci_probe_main(efx);
-
- /* Serialise against efx_reset(). No more resets will be
- * scheduled since efx_stop_all() has been called, and we have
- * not and never have been registered.
- */
- cancel_work_sync(&efx->reset_work);
-
if (rc)
goto fail3;
- /* If there was a scheduled reset during probe, the NIC is
- * probably hosed anyway.
- */
- if (efx->reset_pending) {
- rc = -EIO;
- goto fail4;
- }
-
- /* Switch to the running state before we expose the device to the OS,
- * so that dev_open()|efx_start_all() will actually start the device */
- efx->state = STATE_RUNNING;
-
rc = efx_register_netdev(efx);
if (rc)
goto fail4;
{
struct efx_nic *efx = pci_get_drvdata(to_pci_dev(dev));
- efx->state = STATE_FINI;
+ rtnl_lock();
- netif_device_detach(efx->net_dev);
+ if (efx->state != STATE_DISABLED) {
+ efx->state = STATE_UNINIT;
- efx_stop_all(efx);
- efx_stop_interrupts(efx, false);
+ netif_device_detach(efx->net_dev);
+
+ efx_stop_all(efx);
+ efx_stop_interrupts(efx, false);
+ }
+
+ rtnl_unlock();
return 0;
}
{
struct efx_nic *efx = pci_get_drvdata(to_pci_dev(dev));
- efx->state = STATE_INIT;
+ rtnl_lock();
- efx_start_interrupts(efx, false);
+ if (efx->state != STATE_DISABLED) {
+ efx_start_interrupts(efx, false);
- mutex_lock(&efx->mac_lock);
- efx->phy_op->reconfigure(efx);
- mutex_unlock(&efx->mac_lock);
+ mutex_lock(&efx->mac_lock);
+ efx->phy_op->reconfigure(efx);
+ mutex_unlock(&efx->mac_lock);
- efx_start_all(efx);
+ efx_start_all(efx);
- netif_device_attach(efx->net_dev);
+ netif_device_attach(efx->net_dev);
- efx->state = STATE_RUNNING;
+ efx->state = STATE_READY;
- efx->type->resume_wol(efx);
+ efx->type->resume_wol(efx);
+ }
+
+ rtnl_unlock();
/* Reschedule any quenched resets scheduled during efx_pm_freeze() */
queue_work(reset_workqueue, &efx->reset_work);
if (!efx_tests)
goto fail;
-
- ASSERT_RTNL();
- if (efx->state != STATE_RUNNING) {
+ if (efx->state != STATE_READY) {
rc = -EIO;
goto fail1;
}
new_mode = PHY_MODE_SPECIAL;
if (!((old_mode ^ new_mode) & PHY_MODE_SPECIAL)) {
err = 0;
- } else if (efx->state != STATE_RUNNING || netif_running(efx->net_dev)) {
+ } else if (efx->state != STATE_READY || netif_running(efx->net_dev)) {
err = -EBUSY;
} else {
/* Reset the PHY, reconfigure the MAC and enable/disable
};
/**
- * struct efx_tx_buffer - An Efx TX buffer
- * @skb: The associated socket buffer.
- * Set only on the final fragment of a packet; %NULL for all other
- * fragments. When this fragment completes, then we can free this
- * skb.
- * @tsoh: The associated TSO header structure, or %NULL if this
- * buffer is not a TSO header.
+ * struct efx_tx_buffer - buffer state for a TX descriptor
+ * @skb: When @flags & %EFX_TX_BUF_SKB, the associated socket buffer to be
+ * freed when descriptor completes
+ * @heap_buf: When @flags & %EFX_TX_BUF_HEAP, the associated heap buffer to be
+ * freed when descriptor completes.
* @dma_addr: DMA address of the fragment.
+ * @flags: Flags for allocation and DMA mapping type
* @len: Length of this fragment.
* This field is zero when the queue slot is empty.
- * @continuation: True if this fragment is not the end of a packet.
- * @unmap_single: True if dma_unmap_single should be used.
* @unmap_len: Length of this fragment to unmap
*/
struct efx_tx_buffer {
- const struct sk_buff *skb;
- struct efx_tso_header *tsoh;
+ union {
+ const struct sk_buff *skb;
+ void *heap_buf;
+ };
dma_addr_t dma_addr;
+ unsigned short flags;
unsigned short len;
- bool continuation;
- bool unmap_single;
unsigned short unmap_len;
};
+#define EFX_TX_BUF_CONT 1 /* not last descriptor of packet */
+#define EFX_TX_BUF_SKB 2 /* buffer is last part of skb */
+#define EFX_TX_BUF_HEAP 4 /* buffer was allocated with kmalloc() */
+#define EFX_TX_BUF_MAP_SINGLE 8 /* buffer was mapped with dma_map_single() */
/**
* struct efx_tx_queue - An Efx TX queue
* @channel: The associated channel
* @core_txq: The networking core TX queue structure
* @buffer: The software buffer ring
+ * @tsoh_page: Array of pages of TSO header buffers
* @txd: The hardware descriptor ring
* @ptr_mask: The size of the ring minus 1.
* @initialised: Has hardware queue been initialised?
* variable indicates that the queue is full. This is to
* avoid cache-line ping-pong between the xmit path and the
* completion path.
- * @tso_headers_free: A list of TSO headers allocated for this TX queue
- * that are not in use, and so available for new TSO sends. The list
- * is protected by the TX queue lock.
* @tso_bursts: Number of times TSO xmit invoked by kernel
* @tso_long_headers: Number of packets with headers too long for standard
* blocks
struct efx_channel *channel;
struct netdev_queue *core_txq;
struct efx_tx_buffer *buffer;
+ struct efx_buffer *tsoh_page;
struct efx_special_buffer txd;
unsigned int ptr_mask;
bool initialised;
unsigned int insert_count ____cacheline_aligned_in_smp;
unsigned int write_count;
unsigned int old_read_count;
- struct efx_tso_header *tso_headers_free;
unsigned int tso_bursts;
unsigned int tso_long_headers;
unsigned int tso_packets;
#define EFX_INT_MODE_USE_MSI(x) (((x)->interrupt_mode) <= EFX_INT_MODE_MSI)
enum nic_state {
- STATE_INIT = 0,
- STATE_RUNNING = 1,
- STATE_FINI = 2,
- STATE_DISABLED = 3,
- STATE_MAX,
+ STATE_UNINIT = 0, /* device being probed/removed or is frozen */
+ STATE_READY = 1, /* hardware ready and netdev registered */
+ STATE_DISABLED = 2, /* device disabled due to hardware errors */
};
/*
* @irq_rx_adaptive: Adaptive IRQ moderation enabled for RX event queues
* @irq_rx_moderation: IRQ moderation time for RX event queues
* @msg_enable: Log message enable flags
- * @state: Device state flag. Serialised by the rtnl_lock.
+ * @state: Device state number (%STATE_*). Serialised by the rtnl_lock.
* @reset_pending: Bitmask for pending resets
* @tx_queue: TX DMA queues
* @rx_queue: RX DMA queues
* should be allocated for this NIC
* @rxq_entries: Size of receive queues requested by user.
* @txq_entries: Size of transmit queues requested by user.
+ * @txq_stop_thresh: TX queue fill level at or above which we stop it.
+ * @txq_wake_thresh: TX queue fill level at or below which we wake it.
* @tx_dc_base: Base qword address in SRAM of TX queue descriptor caches
* @rx_dc_base: Base qword address in SRAM of RX queue descriptor caches
* @sram_lim_qw: Qword address limit of SRAM
unsigned rxq_entries;
unsigned txq_entries;
+ unsigned int txq_stop_thresh;
+ unsigned int txq_wake_thresh;
+
unsigned tx_dc_base;
unsigned rx_dc_base;
unsigned sram_lim_qw;
/**************************************************************************
*
* Generic buffer handling
- * These buffers are used for interrupt status and MAC stats
+ * These buffers are used for interrupt status, MAC stats, etc.
*
**************************************************************************/
++tx_queue->write_count;
/* Create TX descriptor ring entry */
+ BUILD_BUG_ON(EFX_TX_BUF_CONT != 1);
EFX_POPULATE_QWORD_4(*txd,
- FSF_AZ_TX_KER_CONT, buffer->continuation,
+ FSF_AZ_TX_KER_CONT,
+ buffer->flags & EFX_TX_BUF_CONT,
FSF_AZ_TX_KER_BYTE_COUNT, buffer->len,
FSF_AZ_TX_KER_BUF_REGION, 0,
FSF_AZ_TX_KER_BUF_ADDR, buffer->dma_addr);
#include "nic.h"
#include "workarounds.h"
-/*
- * TX descriptor ring full threshold
- *
- * The tx_queue descriptor ring fill-level must fall below this value
- * before we restart the netif queue
- */
-#define EFX_TXQ_THRESHOLD(_efx) ((_efx)->txq_entries / 2u)
-
static void efx_dequeue_buffer(struct efx_tx_queue *tx_queue,
struct efx_tx_buffer *buffer,
unsigned int *pkts_compl,
struct device *dma_dev = &tx_queue->efx->pci_dev->dev;
dma_addr_t unmap_addr = (buffer->dma_addr + buffer->len -
buffer->unmap_len);
- if (buffer->unmap_single)
+ if (buffer->flags & EFX_TX_BUF_MAP_SINGLE)
dma_unmap_single(dma_dev, unmap_addr, buffer->unmap_len,
DMA_TO_DEVICE);
else
dma_unmap_page(dma_dev, unmap_addr, buffer->unmap_len,
DMA_TO_DEVICE);
buffer->unmap_len = 0;
- buffer->unmap_single = false;
}
- if (buffer->skb) {
+ if (buffer->flags & EFX_TX_BUF_SKB) {
(*pkts_compl)++;
(*bytes_compl) += buffer->skb->len;
dev_kfree_skb_any((struct sk_buff *) buffer->skb);
- buffer->skb = NULL;
netif_vdbg(tx_queue->efx, tx_done, tx_queue->efx->net_dev,
"TX queue %d transmission id %x complete\n",
tx_queue->queue, tx_queue->read_count);
+ } else if (buffer->flags & EFX_TX_BUF_HEAP) {
+ kfree(buffer->heap_buf);
}
-}
-/**
- * struct efx_tso_header - a DMA mapped buffer for packet headers
- * @next: Linked list of free ones.
- * The list is protected by the TX queue lock.
- * @dma_unmap_len: Length to unmap for an oversize buffer, or 0.
- * @dma_addr: The DMA address of the header below.
- *
- * This controls the memory used for a TSO header. Use TSOH_DATA()
- * to find the packet header data. Use TSOH_SIZE() to calculate the
- * total size required for a given packet header length. TSO headers
- * in the free list are exactly %TSOH_STD_SIZE bytes in size.
- */
-struct efx_tso_header {
- union {
- struct efx_tso_header *next;
- size_t unmap_len;
- };
- dma_addr_t dma_addr;
-};
+ buffer->len = 0;
+ buffer->flags = 0;
+}
static int efx_enqueue_skb_tso(struct efx_tx_queue *tx_queue,
struct sk_buff *skb);
-static void efx_fini_tso(struct efx_tx_queue *tx_queue);
-static void efx_tsoh_heap_free(struct efx_tx_queue *tx_queue,
- struct efx_tso_header *tsoh);
-
-static void efx_tsoh_free(struct efx_tx_queue *tx_queue,
- struct efx_tx_buffer *buffer)
-{
- if (buffer->tsoh) {
- if (likely(!buffer->tsoh->unmap_len)) {
- buffer->tsoh->next = tx_queue->tso_headers_free;
- tx_queue->tso_headers_free = buffer->tsoh;
- } else {
- efx_tsoh_heap_free(tx_queue, buffer->tsoh);
- }
- buffer->tsoh = NULL;
- }
-}
-
static inline unsigned
efx_max_tx_len(struct efx_nic *efx, dma_addr_t dma_addr)
return max_descs;
}
+/* Get partner of a TX queue, seen as part of the same net core queue */
+static struct efx_tx_queue *efx_tx_queue_partner(struct efx_tx_queue *tx_queue)
+{
+ if (tx_queue->queue & EFX_TXQ_TYPE_OFFLOAD)
+ return tx_queue - EFX_TXQ_TYPE_OFFLOAD;
+ else
+ return tx_queue + EFX_TXQ_TYPE_OFFLOAD;
+}
+
+static void efx_tx_maybe_stop_queue(struct efx_tx_queue *txq1)
+{
+ /* We need to consider both queues that the net core sees as one */
+ struct efx_tx_queue *txq2 = efx_tx_queue_partner(txq1);
+ struct efx_nic *efx = txq1->efx;
+ unsigned int fill_level;
+
+ fill_level = max(txq1->insert_count - txq1->old_read_count,
+ txq2->insert_count - txq2->old_read_count);
+ if (likely(fill_level < efx->txq_stop_thresh))
+ return;
+
+ /* We used the stale old_read_count above, which gives us a
+ * pessimistic estimate of the fill level (which may even
+ * validly be >= efx->txq_entries). Now try again using
+ * read_count (more likely to be a cache miss).
+ *
+ * If we read read_count and then conditionally stop the
+ * queue, it is possible for the completion path to race with
+ * us and complete all outstanding descriptors in the middle,
+ * after which there will be no more completions to wake it.
+ * Therefore we stop the queue first, then read read_count
+ * (with a memory barrier to ensure the ordering), then
+ * restart the queue if the fill level turns out to be low
+ * enough.
+ */
+ netif_tx_stop_queue(txq1->core_txq);
+ smp_mb();
+ txq1->old_read_count = ACCESS_ONCE(txq1->read_count);
+ txq2->old_read_count = ACCESS_ONCE(txq2->read_count);
+
+ fill_level = max(txq1->insert_count - txq1->old_read_count,
+ txq2->insert_count - txq2->old_read_count);
+ EFX_BUG_ON_PARANOID(fill_level >= efx->txq_entries);
+ if (likely(fill_level < efx->txq_stop_thresh)) {
+ smp_mb();
+ if (likely(!efx->loopback_selftest))
+ netif_tx_start_queue(txq1->core_txq);
+ }
+}
+
/*
* Add a socket buffer to a TX queue
*
* This function is split out from efx_hard_start_xmit to allow the
* loopback test to direct packets via specific TX queues.
*
- * Returns NETDEV_TX_OK or NETDEV_TX_BUSY
+ * Returns NETDEV_TX_OK.
* You must hold netif_tx_lock() to call this function.
*/
netdev_tx_t efx_enqueue_skb(struct efx_tx_queue *tx_queue, struct sk_buff *skb)
struct device *dma_dev = &efx->pci_dev->dev;
struct efx_tx_buffer *buffer;
skb_frag_t *fragment;
- unsigned int len, unmap_len = 0, fill_level, insert_ptr;
+ unsigned int len, unmap_len = 0, insert_ptr;
dma_addr_t dma_addr, unmap_addr = 0;
unsigned int dma_len;
- bool unmap_single;
- int q_space, i = 0;
- netdev_tx_t rc = NETDEV_TX_OK;
+ unsigned short dma_flags;
+ int i = 0;
EFX_BUG_ON_PARANOID(tx_queue->write_count != tx_queue->insert_count);
return NETDEV_TX_OK;
}
- fill_level = tx_queue->insert_count - tx_queue->old_read_count;
- q_space = efx->txq_entries - 1 - fill_level;
-
/* Map for DMA. Use dma_map_single rather than dma_map_page
* since this is more efficient on machines with sparse
* memory.
*/
- unmap_single = true;
+ dma_flags = EFX_TX_BUF_MAP_SINGLE;
dma_addr = dma_map_single(dma_dev, skb->data, len, PCI_DMA_TODEVICE);
/* Process all fragments */
/* Add to TX queue, splitting across DMA boundaries */
do {
- if (unlikely(q_space-- <= 0)) {
- /* It might be that completions have
- * happened since the xmit path last
- * checked. Update the xmit path's
- * copy of read_count.
- */
- netif_tx_stop_queue(tx_queue->core_txq);
- /* This memory barrier protects the
- * change of queue state from the access
- * of read_count. */
- smp_mb();
- tx_queue->old_read_count =
- ACCESS_ONCE(tx_queue->read_count);
- fill_level = (tx_queue->insert_count
- - tx_queue->old_read_count);
- q_space = efx->txq_entries - 1 - fill_level;
- if (unlikely(q_space-- <= 0)) {
- rc = NETDEV_TX_BUSY;
- goto unwind;
- }
- smp_mb();
- if (likely(!efx->loopback_selftest))
- netif_tx_start_queue(
- tx_queue->core_txq);
- }
-
insert_ptr = tx_queue->insert_count & tx_queue->ptr_mask;
buffer = &tx_queue->buffer[insert_ptr];
- efx_tsoh_free(tx_queue, buffer);
- EFX_BUG_ON_PARANOID(buffer->tsoh);
- EFX_BUG_ON_PARANOID(buffer->skb);
+ EFX_BUG_ON_PARANOID(buffer->flags);
EFX_BUG_ON_PARANOID(buffer->len);
- EFX_BUG_ON_PARANOID(!buffer->continuation);
EFX_BUG_ON_PARANOID(buffer->unmap_len);
dma_len = efx_max_tx_len(efx, dma_addr);
/* Fill out per descriptor fields */
buffer->len = dma_len;
buffer->dma_addr = dma_addr;
+ buffer->flags = EFX_TX_BUF_CONT;
len -= dma_len;
dma_addr += dma_len;
++tx_queue->insert_count;
} while (len);
/* Transfer ownership of the unmapping to the final buffer */
- buffer->unmap_single = unmap_single;
+ buffer->flags = EFX_TX_BUF_CONT | dma_flags;
buffer->unmap_len = unmap_len;
unmap_len = 0;
len = skb_frag_size(fragment);
i++;
/* Map for DMA */
- unmap_single = false;
+ dma_flags = 0;
dma_addr = skb_frag_dma_map(dma_dev, fragment, 0, len,
DMA_TO_DEVICE);
}
/* Transfer ownership of the skb to the final buffer */
buffer->skb = skb;
- buffer->continuation = false;
+ buffer->flags = EFX_TX_BUF_SKB | dma_flags;
netdev_tx_sent_queue(tx_queue->core_txq, skb->len);
/* Pass off to hardware */
efx_nic_push_buffers(tx_queue);
+ efx_tx_maybe_stop_queue(tx_queue);
+
return NETDEV_TX_OK;
dma_err:
/* Mark the packet as transmitted, and free the SKB ourselves */
dev_kfree_skb_any(skb);
- unwind:
/* Work backwards until we hit the original insert pointer value */
while (tx_queue->insert_count != tx_queue->write_count) {
unsigned int pkts_compl = 0, bytes_compl = 0;
insert_ptr = tx_queue->insert_count & tx_queue->ptr_mask;
buffer = &tx_queue->buffer[insert_ptr];
efx_dequeue_buffer(tx_queue, buffer, &pkts_compl, &bytes_compl);
- buffer->len = 0;
}
/* Free the fragment we were mid-way through pushing */
if (unmap_len) {
- if (unmap_single)
+ if (dma_flags & EFX_TX_BUF_MAP_SINGLE)
dma_unmap_single(dma_dev, unmap_addr, unmap_len,
DMA_TO_DEVICE);
else
DMA_TO_DEVICE);
}
- return rc;
+ return NETDEV_TX_OK;
}
/* Remove packets from the TX queue
}
efx_dequeue_buffer(tx_queue, buffer, pkts_compl, bytes_compl);
- buffer->continuation = true;
- buffer->len = 0;
++tx_queue->read_count;
read_ptr = tx_queue->read_count & tx_queue->ptr_mask;
{
unsigned fill_level;
struct efx_nic *efx = tx_queue->efx;
+ struct efx_tx_queue *txq2;
unsigned int pkts_compl = 0, bytes_compl = 0;
EFX_BUG_ON_PARANOID(index > tx_queue->ptr_mask);
efx_dequeue_buffers(tx_queue, index, &pkts_compl, &bytes_compl);
netdev_tx_completed_queue(tx_queue->core_txq, pkts_compl, bytes_compl);
- /* See if we need to restart the netif queue. This barrier
- * separates the update of read_count from the test of the
- * queue state. */
+ /* See if we need to restart the netif queue. This memory
+ * barrier ensures that we write read_count (inside
+ * efx_dequeue_buffers()) before reading the queue status.
+ */
smp_mb();
if (unlikely(netif_tx_queue_stopped(tx_queue->core_txq)) &&
likely(efx->port_enabled) &&
likely(netif_device_present(efx->net_dev))) {
- fill_level = tx_queue->insert_count - tx_queue->read_count;
- if (fill_level < EFX_TXQ_THRESHOLD(efx))
+ txq2 = efx_tx_queue_partner(tx_queue);
+ fill_level = max(tx_queue->insert_count - tx_queue->read_count,
+ txq2->insert_count - txq2->read_count);
+ if (fill_level <= efx->txq_wake_thresh)
netif_tx_wake_queue(tx_queue->core_txq);
}
}
}
+/* Size of page-based TSO header buffers. Larger blocks must be
+ * allocated from the heap.
+ */
+#define TSOH_STD_SIZE 128
+#define TSOH_PER_PAGE (PAGE_SIZE / TSOH_STD_SIZE)
+
+/* At most half the descriptors in the queue at any time will refer to
+ * a TSO header buffer, since they must always be followed by a
+ * payload descriptor referring to an skb.
+ */
+static unsigned int efx_tsoh_page_count(struct efx_tx_queue *tx_queue)
+{
+ return DIV_ROUND_UP(tx_queue->ptr_mask + 1, 2 * TSOH_PER_PAGE);
+}
+
int efx_probe_tx_queue(struct efx_tx_queue *tx_queue)
{
struct efx_nic *efx = tx_queue->efx;
unsigned int entries;
- int i, rc;
+ int rc;
/* Create the smallest power-of-two aligned ring */
entries = max(roundup_pow_of_two(efx->txq_entries), EFX_MIN_DMAQ_SIZE);
GFP_KERNEL);
if (!tx_queue->buffer)
return -ENOMEM;
- for (i = 0; i <= tx_queue->ptr_mask; ++i)
- tx_queue->buffer[i].continuation = true;
+
+ if (tx_queue->queue & EFX_TXQ_TYPE_OFFLOAD) {
+ tx_queue->tsoh_page =
+ kcalloc(efx_tsoh_page_count(tx_queue),
+ sizeof(tx_queue->tsoh_page[0]), GFP_KERNEL);
+ if (!tx_queue->tsoh_page) {
+ rc = -ENOMEM;
+ goto fail1;
+ }
+ }
/* Allocate hardware ring */
rc = efx_nic_probe_tx(tx_queue);
if (rc)
- goto fail;
+ goto fail2;
return 0;
- fail:
+fail2:
+ kfree(tx_queue->tsoh_page);
+ tx_queue->tsoh_page = NULL;
+fail1:
kfree(tx_queue->buffer);
tx_queue->buffer = NULL;
return rc;
unsigned int pkts_compl = 0, bytes_compl = 0;
buffer = &tx_queue->buffer[tx_queue->read_count & tx_queue->ptr_mask];
efx_dequeue_buffer(tx_queue, buffer, &pkts_compl, &bytes_compl);
- buffer->continuation = true;
- buffer->len = 0;
++tx_queue->read_count;
}
efx_nic_fini_tx(tx_queue);
efx_release_tx_buffers(tx_queue);
-
- /* Free up TSO header cache */
- efx_fini_tso(tx_queue);
}
void efx_remove_tx_queue(struct efx_tx_queue *tx_queue)
{
+ int i;
+
if (!tx_queue->buffer)
return;
"destroying TX queue %d\n", tx_queue->queue);
efx_nic_remove_tx(tx_queue);
+ if (tx_queue->tsoh_page) {
+ for (i = 0; i < efx_tsoh_page_count(tx_queue); i++)
+ efx_nic_free_buffer(tx_queue->efx,
+ &tx_queue->tsoh_page[i]);
+ kfree(tx_queue->tsoh_page);
+ tx_queue->tsoh_page = NULL;
+ }
+
kfree(tx_queue->buffer);
tx_queue->buffer = NULL;
}
#define TSOH_OFFSET NET_IP_ALIGN
#endif
-#define TSOH_BUFFER(tsoh) ((u8 *)(tsoh + 1) + TSOH_OFFSET)
-
-/* Total size of struct efx_tso_header, buffer and padding */
-#define TSOH_SIZE(hdr_len) \
- (sizeof(struct efx_tso_header) + TSOH_OFFSET + hdr_len)
-
-/* Size of blocks on free list. Larger blocks must be allocated from
- * the heap.
- */
-#define TSOH_STD_SIZE 128
-
#define PTR_DIFF(p1, p2) ((u8 *)(p1) - (u8 *)(p2))
-#define ETH_HDR_LEN(skb) (skb_network_header(skb) - (skb)->data)
-#define SKB_TCP_OFF(skb) PTR_DIFF(tcp_hdr(skb), (skb)->data)
-#define SKB_IPV4_OFF(skb) PTR_DIFF(ip_hdr(skb), (skb)->data)
-#define SKB_IPV6_OFF(skb) PTR_DIFF(ipv6_hdr(skb), (skb)->data)
/**
* struct tso_state - TSO state for an SKB
* @in_len: Remaining length in current SKB fragment
* @unmap_len: Length of SKB fragment
* @unmap_addr: DMA address of SKB fragment
- * @unmap_single: DMA single vs page mapping flag
+ * @dma_flags: TX buffer flags for DMA mapping - %EFX_TX_BUF_MAP_SINGLE or 0
* @protocol: Network protocol (after any VLAN header)
+ * @ip_off: Offset of IP header
+ * @tcp_off: Offset of TCP header
* @header_len: Number of bytes of header
- * @full_packet_size: Number of bytes to put in each outgoing segment
+ * @ip_base_len: IPv4 tot_len or IPv6 payload_len, before TCP payload
*
* The state used during segmentation. It is put into this data structure
* just to make it easy to pass into inline functions.
unsigned in_len;
unsigned unmap_len;
dma_addr_t unmap_addr;
- bool unmap_single;
+ unsigned short dma_flags;
__be16 protocol;
+ unsigned int ip_off;
+ unsigned int tcp_off;
unsigned header_len;
- int full_packet_size;
+ unsigned int ip_base_len;
};
return protocol;
}
-
-/*
- * Allocate a page worth of efx_tso_header structures, and string them
- * into the tx_queue->tso_headers_free linked list. Return 0 or -ENOMEM.
- */
-static int efx_tsoh_block_alloc(struct efx_tx_queue *tx_queue)
+static u8 *efx_tsoh_get_buffer(struct efx_tx_queue *tx_queue,
+ struct efx_tx_buffer *buffer, unsigned int len)
{
- struct device *dma_dev = &tx_queue->efx->pci_dev->dev;
- struct efx_tso_header *tsoh;
- dma_addr_t dma_addr;
- u8 *base_kva, *kva;
-
- base_kva = dma_alloc_coherent(dma_dev, PAGE_SIZE, &dma_addr, GFP_ATOMIC);
- if (base_kva == NULL) {
- netif_err(tx_queue->efx, tx_err, tx_queue->efx->net_dev,
- "Unable to allocate page for TSO headers\n");
- return -ENOMEM;
- }
-
- /* dma_alloc_coherent() allocates pages. */
- EFX_BUG_ON_PARANOID(dma_addr & (PAGE_SIZE - 1u));
-
- for (kva = base_kva; kva < base_kva + PAGE_SIZE; kva += TSOH_STD_SIZE) {
- tsoh = (struct efx_tso_header *)kva;
- tsoh->dma_addr = dma_addr + (TSOH_BUFFER(tsoh) - base_kva);
- tsoh->next = tx_queue->tso_headers_free;
- tx_queue->tso_headers_free = tsoh;
- }
-
- return 0;
-}
+ u8 *result;
+ EFX_BUG_ON_PARANOID(buffer->len);
+ EFX_BUG_ON_PARANOID(buffer->flags);
+ EFX_BUG_ON_PARANOID(buffer->unmap_len);
-/* Free up a TSO header, and all others in the same page. */
-static void efx_tsoh_block_free(struct efx_tx_queue *tx_queue,
- struct efx_tso_header *tsoh,
- struct device *dma_dev)
-{
- struct efx_tso_header **p;
- unsigned long base_kva;
- dma_addr_t base_dma;
-
- base_kva = (unsigned long)tsoh & PAGE_MASK;
- base_dma = tsoh->dma_addr & PAGE_MASK;
-
- p = &tx_queue->tso_headers_free;
- while (*p != NULL) {
- if (((unsigned long)*p & PAGE_MASK) == base_kva)
- *p = (*p)->next;
- else
- p = &(*p)->next;
- }
-
- dma_free_coherent(dma_dev, PAGE_SIZE, (void *)base_kva, base_dma);
-}
+ if (likely(len <= TSOH_STD_SIZE - TSOH_OFFSET)) {
+ unsigned index =
+ (tx_queue->insert_count & tx_queue->ptr_mask) / 2;
+ struct efx_buffer *page_buf =
+ &tx_queue->tsoh_page[index / TSOH_PER_PAGE];
+ unsigned offset =
+ TSOH_STD_SIZE * (index % TSOH_PER_PAGE) + TSOH_OFFSET;
+
+ if (unlikely(!page_buf->addr) &&
+ efx_nic_alloc_buffer(tx_queue->efx, page_buf, PAGE_SIZE))
+ return NULL;
+
+ result = (u8 *)page_buf->addr + offset;
+ buffer->dma_addr = page_buf->dma_addr + offset;
+ buffer->flags = EFX_TX_BUF_CONT;
+ } else {
+ tx_queue->tso_long_headers++;
-static struct efx_tso_header *
-efx_tsoh_heap_alloc(struct efx_tx_queue *tx_queue, size_t header_len)
-{
- struct efx_tso_header *tsoh;
-
- tsoh = kmalloc(TSOH_SIZE(header_len), GFP_ATOMIC | GFP_DMA);
- if (unlikely(!tsoh))
- return NULL;
-
- tsoh->dma_addr = dma_map_single(&tx_queue->efx->pci_dev->dev,
- TSOH_BUFFER(tsoh), header_len,
- DMA_TO_DEVICE);
- if (unlikely(dma_mapping_error(&tx_queue->efx->pci_dev->dev,
- tsoh->dma_addr))) {
- kfree(tsoh);
- return NULL;
+ buffer->heap_buf = kmalloc(TSOH_OFFSET + len, GFP_ATOMIC);
+ if (unlikely(!buffer->heap_buf))
+ return NULL;
+ result = (u8 *)buffer->heap_buf + TSOH_OFFSET;
+ buffer->flags = EFX_TX_BUF_CONT | EFX_TX_BUF_HEAP;
}
- tsoh->unmap_len = header_len;
- return tsoh;
-}
+ buffer->len = len;
-static void
-efx_tsoh_heap_free(struct efx_tx_queue *tx_queue, struct efx_tso_header *tsoh)
-{
- dma_unmap_single(&tx_queue->efx->pci_dev->dev,
- tsoh->dma_addr, tsoh->unmap_len,
- DMA_TO_DEVICE);
- kfree(tsoh);
+ return result;
}
/**
* @len: Length of fragment
* @final_buffer: The final buffer inserted into the queue
*
- * Push descriptors onto the TX queue. Return 0 on success or 1 if
- * @tx_queue full.
+ * Push descriptors onto the TX queue.
*/
-static int efx_tx_queue_insert(struct efx_tx_queue *tx_queue,
- dma_addr_t dma_addr, unsigned len,
- struct efx_tx_buffer **final_buffer)
+static void efx_tx_queue_insert(struct efx_tx_queue *tx_queue,
+ dma_addr_t dma_addr, unsigned len,
+ struct efx_tx_buffer **final_buffer)
{
struct efx_tx_buffer *buffer;
struct efx_nic *efx = tx_queue->efx;
- unsigned dma_len, fill_level, insert_ptr;
- int q_space;
+ unsigned dma_len, insert_ptr;
EFX_BUG_ON_PARANOID(len <= 0);
- fill_level = tx_queue->insert_count - tx_queue->old_read_count;
- /* -1 as there is no way to represent all descriptors used */
- q_space = efx->txq_entries - 1 - fill_level;
-
while (1) {
- if (unlikely(q_space-- <= 0)) {
- /* It might be that completions have happened
- * since the xmit path last checked. Update
- * the xmit path's copy of read_count.
- */
- netif_tx_stop_queue(tx_queue->core_txq);
- /* This memory barrier protects the change of
- * queue state from the access of read_count. */
- smp_mb();
- tx_queue->old_read_count =
- ACCESS_ONCE(tx_queue->read_count);
- fill_level = (tx_queue->insert_count
- - tx_queue->old_read_count);
- q_space = efx->txq_entries - 1 - fill_level;
- if (unlikely(q_space-- <= 0)) {
- *final_buffer = NULL;
- return 1;
- }
- smp_mb();
- netif_tx_start_queue(tx_queue->core_txq);
- }
-
insert_ptr = tx_queue->insert_count & tx_queue->ptr_mask;
buffer = &tx_queue->buffer[insert_ptr];
++tx_queue->insert_count;
tx_queue->read_count >=
efx->txq_entries);
- efx_tsoh_free(tx_queue, buffer);
EFX_BUG_ON_PARANOID(buffer->len);
EFX_BUG_ON_PARANOID(buffer->unmap_len);
- EFX_BUG_ON_PARANOID(buffer->skb);
- EFX_BUG_ON_PARANOID(!buffer->continuation);
- EFX_BUG_ON_PARANOID(buffer->tsoh);
+ EFX_BUG_ON_PARANOID(buffer->flags);
buffer->dma_addr = dma_addr;
if (dma_len >= len)
break;
- buffer->len = dma_len; /* Don't set the other members */
+ buffer->len = dma_len;
+ buffer->flags = EFX_TX_BUF_CONT;
dma_addr += dma_len;
len -= dma_len;
}
EFX_BUG_ON_PARANOID(!len);
buffer->len = len;
*final_buffer = buffer;
- return 0;
}
* a single fragment, and we know it doesn't cross a page boundary. It
* also allows us to not worry about end-of-packet etc.
*/
-static void efx_tso_put_header(struct efx_tx_queue *tx_queue,
- struct efx_tso_header *tsoh, unsigned len)
+static int efx_tso_put_header(struct efx_tx_queue *tx_queue,
+ struct efx_tx_buffer *buffer, u8 *header)
{
- struct efx_tx_buffer *buffer;
-
- buffer = &tx_queue->buffer[tx_queue->insert_count & tx_queue->ptr_mask];
- efx_tsoh_free(tx_queue, buffer);
- EFX_BUG_ON_PARANOID(buffer->len);
- EFX_BUG_ON_PARANOID(buffer->unmap_len);
- EFX_BUG_ON_PARANOID(buffer->skb);
- EFX_BUG_ON_PARANOID(!buffer->continuation);
- EFX_BUG_ON_PARANOID(buffer->tsoh);
- buffer->len = len;
- buffer->dma_addr = tsoh->dma_addr;
- buffer->tsoh = tsoh;
+ if (unlikely(buffer->flags & EFX_TX_BUF_HEAP)) {
+ buffer->dma_addr = dma_map_single(&tx_queue->efx->pci_dev->dev,
+ header, buffer->len,
+ DMA_TO_DEVICE);
+ if (unlikely(dma_mapping_error(&tx_queue->efx->pci_dev->dev,
+ buffer->dma_addr))) {
+ kfree(buffer->heap_buf);
+ buffer->len = 0;
+ buffer->flags = 0;
+ return -ENOMEM;
+ }
+ buffer->unmap_len = buffer->len;
+ buffer->flags |= EFX_TX_BUF_MAP_SINGLE;
+ }
++tx_queue->insert_count;
+ return 0;
}
-/* Remove descriptors put into a tx_queue. */
+/* Remove buffers put into a tx_queue. None of the buffers must have
+ * an skb attached.
+ */
static void efx_enqueue_unwind(struct efx_tx_queue *tx_queue)
{
struct efx_tx_buffer *buffer;
- dma_addr_t unmap_addr;
/* Work backwards until we hit the original insert pointer value */
while (tx_queue->insert_count != tx_queue->write_count) {
--tx_queue->insert_count;
buffer = &tx_queue->buffer[tx_queue->insert_count &
tx_queue->ptr_mask];
- efx_tsoh_free(tx_queue, buffer);
- EFX_BUG_ON_PARANOID(buffer->skb);
- if (buffer->unmap_len) {
- unmap_addr = (buffer->dma_addr + buffer->len -
- buffer->unmap_len);
- if (buffer->unmap_single)
- dma_unmap_single(&tx_queue->efx->pci_dev->dev,
- unmap_addr, buffer->unmap_len,
- DMA_TO_DEVICE);
- else
- dma_unmap_page(&tx_queue->efx->pci_dev->dev,
- unmap_addr, buffer->unmap_len,
- DMA_TO_DEVICE);
- buffer->unmap_len = 0;
- }
- buffer->len = 0;
- buffer->continuation = true;
+ efx_dequeue_buffer(tx_queue, buffer, NULL, NULL);
}
}
/* Parse the SKB header and initialise state. */
static void tso_start(struct tso_state *st, const struct sk_buff *skb)
{
- /* All ethernet/IP/TCP headers combined size is TCP header size
- * plus offset of TCP header relative to start of packet.
- */
- st->header_len = ((tcp_hdr(skb)->doff << 2u)
- + PTR_DIFF(tcp_hdr(skb), skb->data));
- st->full_packet_size = st->header_len + skb_shinfo(skb)->gso_size;
-
- if (st->protocol == htons(ETH_P_IP))
+ st->ip_off = skb_network_header(skb) - skb->data;
+ st->tcp_off = skb_transport_header(skb) - skb->data;
+ st->header_len = st->tcp_off + (tcp_hdr(skb)->doff << 2u);
+ if (st->protocol == htons(ETH_P_IP)) {
+ st->ip_base_len = st->header_len - st->ip_off;
st->ipv4_id = ntohs(ip_hdr(skb)->id);
- else
+ } else {
+ st->ip_base_len = st->header_len - st->tcp_off;
st->ipv4_id = 0;
+ }
st->seqnum = ntohl(tcp_hdr(skb)->seq);
EFX_BUG_ON_PARANOID(tcp_hdr(skb)->urg);
st->out_len = skb->len - st->header_len;
st->unmap_len = 0;
- st->unmap_single = false;
+ st->dma_flags = 0;
}
static int tso_get_fragment(struct tso_state *st, struct efx_nic *efx,
st->unmap_addr = skb_frag_dma_map(&efx->pci_dev->dev, frag, 0,
skb_frag_size(frag), DMA_TO_DEVICE);
if (likely(!dma_mapping_error(&efx->pci_dev->dev, st->unmap_addr))) {
- st->unmap_single = false;
+ st->dma_flags = 0;
st->unmap_len = skb_frag_size(frag);
st->in_len = skb_frag_size(frag);
st->dma_addr = st->unmap_addr;
st->unmap_addr = dma_map_single(&efx->pci_dev->dev, skb->data + hl,
len, DMA_TO_DEVICE);
if (likely(!dma_mapping_error(&efx->pci_dev->dev, st->unmap_addr))) {
- st->unmap_single = true;
+ st->dma_flags = EFX_TX_BUF_MAP_SINGLE;
st->unmap_len = len;
st->in_len = len;
st->dma_addr = st->unmap_addr;
* @st: TSO state
*
* Form descriptors for the current fragment, until we reach the end
- * of fragment or end-of-packet. Return 0 on success, 1 if not enough
- * space in @tx_queue.
+ * of fragment or end-of-packet.
*/
-static int tso_fill_packet_with_fragment(struct efx_tx_queue *tx_queue,
- const struct sk_buff *skb,
- struct tso_state *st)
+static void tso_fill_packet_with_fragment(struct efx_tx_queue *tx_queue,
+ const struct sk_buff *skb,
+ struct tso_state *st)
{
struct efx_tx_buffer *buffer;
- int n, end_of_packet, rc;
+ int n;
if (st->in_len == 0)
- return 0;
+ return;
if (st->packet_space == 0)
- return 0;
+ return;
EFX_BUG_ON_PARANOID(st->in_len <= 0);
EFX_BUG_ON_PARANOID(st->packet_space <= 0);
st->out_len -= n;
st->in_len -= n;
- rc = efx_tx_queue_insert(tx_queue, st->dma_addr, n, &buffer);
- if (likely(rc == 0)) {
- if (st->out_len == 0)
- /* Transfer ownership of the skb */
- buffer->skb = skb;
+ efx_tx_queue_insert(tx_queue, st->dma_addr, n, &buffer);
- end_of_packet = st->out_len == 0 || st->packet_space == 0;
- buffer->continuation = !end_of_packet;
+ if (st->out_len == 0) {
+ /* Transfer ownership of the skb */
+ buffer->skb = skb;
+ buffer->flags = EFX_TX_BUF_SKB;
+ } else if (st->packet_space != 0) {
+ buffer->flags = EFX_TX_BUF_CONT;
+ }
- if (st->in_len == 0) {
- /* Transfer ownership of the DMA mapping */
- buffer->unmap_len = st->unmap_len;
- buffer->unmap_single = st->unmap_single;
- st->unmap_len = 0;
- }
+ if (st->in_len == 0) {
+ /* Transfer ownership of the DMA mapping */
+ buffer->unmap_len = st->unmap_len;
+ buffer->flags |= st->dma_flags;
+ st->unmap_len = 0;
}
st->dma_addr += n;
- return rc;
}
* @st: TSO state
*
* Generate a new header and prepare for the new packet. Return 0 on
- * success, or -1 if failed to alloc header.
+ * success, or -%ENOMEM if failed to alloc header.
*/
static int tso_start_new_packet(struct efx_tx_queue *tx_queue,
const struct sk_buff *skb,
struct tso_state *st)
{
- struct efx_tso_header *tsoh;
+ struct efx_tx_buffer *buffer =
+ &tx_queue->buffer[tx_queue->insert_count & tx_queue->ptr_mask];
struct tcphdr *tsoh_th;
unsigned ip_length;
u8 *header;
+ int rc;
- /* Allocate a DMA-mapped header buffer. */
- if (likely(TSOH_SIZE(st->header_len) <= TSOH_STD_SIZE)) {
- if (tx_queue->tso_headers_free == NULL) {
- if (efx_tsoh_block_alloc(tx_queue))
- return -1;
- }
- EFX_BUG_ON_PARANOID(!tx_queue->tso_headers_free);
- tsoh = tx_queue->tso_headers_free;
- tx_queue->tso_headers_free = tsoh->next;
- tsoh->unmap_len = 0;
- } else {
- tx_queue->tso_long_headers++;
- tsoh = efx_tsoh_heap_alloc(tx_queue, st->header_len);
- if (unlikely(!tsoh))
- return -1;
- }
+ /* Allocate and insert a DMA-mapped header buffer. */
+ header = efx_tsoh_get_buffer(tx_queue, buffer, st->header_len);
+ if (!header)
+ return -ENOMEM;
- header = TSOH_BUFFER(tsoh);
- tsoh_th = (struct tcphdr *)(header + SKB_TCP_OFF(skb));
+ tsoh_th = (struct tcphdr *)(header + st->tcp_off);
/* Copy and update the headers. */
memcpy(header, skb->data, st->header_len);
st->seqnum += skb_shinfo(skb)->gso_size;
if (st->out_len > skb_shinfo(skb)->gso_size) {
/* This packet will not finish the TSO burst. */
- ip_length = st->full_packet_size - ETH_HDR_LEN(skb);
+ st->packet_space = skb_shinfo(skb)->gso_size;
tsoh_th->fin = 0;
tsoh_th->psh = 0;
} else {
/* This packet will be the last in the TSO burst. */
- ip_length = st->header_len - ETH_HDR_LEN(skb) + st->out_len;
+ st->packet_space = st->out_len;
tsoh_th->fin = tcp_hdr(skb)->fin;
tsoh_th->psh = tcp_hdr(skb)->psh;
}
+ ip_length = st->ip_base_len + st->packet_space;
if (st->protocol == htons(ETH_P_IP)) {
- struct iphdr *tsoh_iph =
- (struct iphdr *)(header + SKB_IPV4_OFF(skb));
+ struct iphdr *tsoh_iph = (struct iphdr *)(header + st->ip_off);
tsoh_iph->tot_len = htons(ip_length);
st->ipv4_id++;
} else {
struct ipv6hdr *tsoh_iph =
- (struct ipv6hdr *)(header + SKB_IPV6_OFF(skb));
+ (struct ipv6hdr *)(header + st->ip_off);
- tsoh_iph->payload_len = htons(ip_length - sizeof(*tsoh_iph));
+ tsoh_iph->payload_len = htons(ip_length);
}
- st->packet_space = skb_shinfo(skb)->gso_size;
- ++tx_queue->tso_packets;
+ rc = efx_tso_put_header(tx_queue, buffer, header);
+ if (unlikely(rc))
+ return rc;
- /* Form a descriptor for this header. */
- efx_tso_put_header(tx_queue, tsoh, st->header_len);
+ ++tx_queue->tso_packets;
return 0;
}
*
* Add socket buffer @skb to @tx_queue, doing TSO or return != 0 if
* @skb was not enqueued. In all cases @skb is consumed. Return
- * %NETDEV_TX_OK or %NETDEV_TX_BUSY.
+ * %NETDEV_TX_OK.
*/
static int efx_enqueue_skb_tso(struct efx_tx_queue *tx_queue,
struct sk_buff *skb)
{
struct efx_nic *efx = tx_queue->efx;
- int frag_i, rc, rc2 = NETDEV_TX_OK;
+ int frag_i, rc;
struct tso_state state;
/* Find the packet protocol and sanity-check it */
goto mem_err;
while (1) {
- rc = tso_fill_packet_with_fragment(tx_queue, skb, &state);
- if (unlikely(rc)) {
- rc2 = NETDEV_TX_BUSY;
- goto unwind;
- }
+ tso_fill_packet_with_fragment(tx_queue, skb, &state);
/* Move onto the next fragment? */
if (state.in_len == 0) {
/* Pass off to hardware */
efx_nic_push_buffers(tx_queue);
+ efx_tx_maybe_stop_queue(tx_queue);
+
tx_queue->tso_bursts++;
return NETDEV_TX_OK;
"Out of memory for TSO headers, or DMA mapping error\n");
dev_kfree_skb_any(skb);
- unwind:
/* Free the DMA mapping we were in the process of writing out */
if (state.unmap_len) {
- if (state.unmap_single)
+ if (state.dma_flags & EFX_TX_BUF_MAP_SINGLE)
dma_unmap_single(&efx->pci_dev->dev, state.unmap_addr,
state.unmap_len, DMA_TO_DEVICE);
else
}
efx_enqueue_unwind(tx_queue);
- return rc2;
-}
-
-
-/*
- * Free up all TSO datastructures associated with tx_queue. This
- * routine should be called only once the tx_queue is both empty and
- * will no longer be used.
- */
-static void efx_fini_tso(struct efx_tx_queue *tx_queue)
-{
- unsigned i;
-
- if (tx_queue->buffer) {
- for (i = 0; i <= tx_queue->ptr_mask; ++i)
- efx_tsoh_free(tx_queue, &tx_queue->buffer[i]);
- }
-
- while (tx_queue->tso_headers_free != NULL)
- efx_tsoh_block_free(tx_queue, tx_queue->tso_headers_free,
- &tx_queue->efx->pci_dev->dev);
+ return NETDEV_TX_OK;
}
config TI_DAVINCI_MDIO
tristate "TI DaVinci MDIO Support"
- depends on ARM && ( ARCH_DAVINCI || ARCH_OMAP3 )
+ depends on ARM && ( ARCH_DAVINCI || ARCH_OMAP3 || SOC_AM33XX )
select PHYLIB
---help---
This driver supports TI's DaVinci MDIO module.
config TI_DAVINCI_CPDMA
tristate "TI DaVinci CPDMA Support"
- depends on ARM && ( ARCH_DAVINCI || ARCH_OMAP3 )
+ depends on ARM && ( ARCH_DAVINCI || ARCH_OMAP3 || SOC_AM33XX )
---help---
This driver supports TI's DaVinci CPDMA dma engine.
#include <linux/workqueue.h>
#include <linux/delay.h>
#include <linux/pm_runtime.h>
+#include <linux/of.h>
+#include <linux/of_net.h>
+#include <linux/of_device.h>
#include <linux/platform_data/cpsw.h>
slave->sliver = regs + data->sliver_reg_ofs;
}
+static int cpsw_probe_dt(struct cpsw_platform_data *data,
+ struct platform_device *pdev)
+{
+ struct device_node *node = pdev->dev.of_node;
+ struct device_node *slave_node;
+ int i = 0, ret;
+ u32 prop;
+
+ if (!node)
+ return -EINVAL;
+
+ if (of_property_read_u32(node, "slaves", &prop)) {
+ pr_err("Missing slaves property in the DT.\n");
+ return -EINVAL;
+ }
+ data->slaves = prop;
+
+ data->slave_data = kzalloc(sizeof(struct cpsw_slave_data) *
+ data->slaves, GFP_KERNEL);
+ if (!data->slave_data) {
+ pr_err("Could not allocate slave memory.\n");
+ return -EINVAL;
+ }
+
+ data->no_bd_ram = of_property_read_bool(node, "no_bd_ram");
+
+ if (of_property_read_u32(node, "cpdma_channels", &prop)) {
+ pr_err("Missing cpdma_channels property in the DT.\n");
+ ret = -EINVAL;
+ goto error_ret;
+ }
+ data->channels = prop;
+
+ if (of_property_read_u32(node, "host_port_no", &prop)) {
+ pr_err("Missing host_port_no property in the DT.\n");
+ ret = -EINVAL;
+ goto error_ret;
+ }
+ data->host_port_num = prop;
+
+ if (of_property_read_u32(node, "cpdma_reg_ofs", &prop)) {
+ pr_err("Missing cpdma_reg_ofs property in the DT.\n");
+ ret = -EINVAL;
+ goto error_ret;
+ }
+ data->cpdma_reg_ofs = prop;
+
+ if (of_property_read_u32(node, "cpdma_sram_ofs", &prop)) {
+ pr_err("Missing cpdma_sram_ofs property in the DT.\n");
+ ret = -EINVAL;
+ goto error_ret;
+ }
+ data->cpdma_sram_ofs = prop;
+
+ if (of_property_read_u32(node, "ale_reg_ofs", &prop)) {
+ pr_err("Missing ale_reg_ofs property in the DT.\n");
+ ret = -EINVAL;
+ goto error_ret;
+ }
+ data->ale_reg_ofs = prop;
+
+ if (of_property_read_u32(node, "ale_entries", &prop)) {
+ pr_err("Missing ale_entries property in the DT.\n");
+ ret = -EINVAL;
+ goto error_ret;
+ }
+ data->ale_entries = prop;
+
+ if (of_property_read_u32(node, "host_port_reg_ofs", &prop)) {
+ pr_err("Missing host_port_reg_ofs property in the DT.\n");
+ ret = -EINVAL;
+ goto error_ret;
+ }
+ data->host_port_reg_ofs = prop;
+
+ if (of_property_read_u32(node, "hw_stats_reg_ofs", &prop)) {
+ pr_err("Missing hw_stats_reg_ofs property in the DT.\n");
+ ret = -EINVAL;
+ goto error_ret;
+ }
+ data->hw_stats_reg_ofs = prop;
+
+ if (of_property_read_u32(node, "bd_ram_ofs", &prop)) {
+ pr_err("Missing bd_ram_ofs property in the DT.\n");
+ ret = -EINVAL;
+ goto error_ret;
+ }
+ data->bd_ram_ofs = prop;
+
+ if (of_property_read_u32(node, "bd_ram_size", &prop)) {
+ pr_err("Missing bd_ram_size property in the DT.\n");
+ ret = -EINVAL;
+ goto error_ret;
+ }
+ data->bd_ram_size = prop;
+
+ if (of_property_read_u32(node, "rx_descs", &prop)) {
+ pr_err("Missing rx_descs property in the DT.\n");
+ ret = -EINVAL;
+ goto error_ret;
+ }
+ data->rx_descs = prop;
+
+ if (of_property_read_u32(node, "mac_control", &prop)) {
+ pr_err("Missing mac_control property in the DT.\n");
+ ret = -EINVAL;
+ goto error_ret;
+ }
+ data->mac_control = prop;
+
+ for_each_child_of_node(node, slave_node) {
+ struct cpsw_slave_data *slave_data = data->slave_data + i;
+ const char *phy_id = NULL;
+ const void *mac_addr = NULL;
+
+ if (of_property_read_string(slave_node, "phy_id", &phy_id)) {
+ pr_err("Missing slave[%d] phy_id property\n", i);
+ ret = -EINVAL;
+ goto error_ret;
+ }
+ slave_data->phy_id = phy_id;
+
+ if (of_property_read_u32(slave_node, "slave_reg_ofs", &prop)) {
+ pr_err("Missing slave[%d] slave_reg_ofs property\n", i);
+ ret = -EINVAL;
+ goto error_ret;
+ }
+ slave_data->slave_reg_ofs = prop;
+
+ if (of_property_read_u32(slave_node, "sliver_reg_ofs",
+ &prop)) {
+ pr_err("Missing slave[%d] sliver_reg_ofs property\n",
+ i);
+ ret = -EINVAL;
+ goto error_ret;
+ }
+ slave_data->sliver_reg_ofs = prop;
+
+ mac_addr = of_get_mac_address(slave_node);
+ if (mac_addr)
+ memcpy(slave_data->mac_addr, mac_addr, ETH_ALEN);
+
+ i++;
+ }
+
+ return 0;
+
+error_ret:
+ kfree(data->slave_data);
+ return ret;
+}
+
static int __devinit cpsw_probe(struct platform_device *pdev)
{
struct cpsw_platform_data *data = pdev->dev.platform_data;
struct resource *res;
int ret = 0, i, k = 0;
- if (!data) {
- pr_err("platform data missing\n");
- return -ENODEV;
- }
-
ndev = alloc_etherdev(sizeof(struct cpsw_priv));
if (!ndev) {
pr_err("error allocating net_device\n");
platform_set_drvdata(pdev, ndev);
priv = netdev_priv(ndev);
spin_lock_init(&priv->lock);
- priv->data = *data;
priv->pdev = pdev;
priv->ndev = ndev;
priv->dev = &ndev->dev;
priv->msg_enable = netif_msg_init(debug_level, CPSW_DEBUG);
priv->rx_packet_max = max(rx_packet_max, 128);
+ if (cpsw_probe_dt(&priv->data, pdev)) {
+ pr_err("cpsw: platform data missing\n");
+ ret = -ENODEV;
+ goto clean_ndev_ret;
+ }
+ data = &priv->data;
+
if (is_valid_ether_addr(data->slave_data[0].mac_addr)) {
memcpy(priv->mac_addr, data->slave_data[0].mac_addr, ETH_ALEN);
pr_info("Detected MACID = %pM", priv->mac_addr);
.resume = cpsw_resume,
};
+static const struct of_device_id cpsw_of_mtable[] = {
+ { .compatible = "ti,cpsw", },
+ { /* sentinel */ },
+};
+
static struct platform_driver cpsw_driver = {
.driver = {
.name = "cpsw",
.owner = THIS_MODULE,
.pm = &cpsw_pm_ops,
+ .of_match_table = of_match_ptr(cpsw_of_mtable),
},
.probe = cpsw_probe,
.remove = __devexit_p(cpsw_remove),
#include <linux/io.h>
#include <linux/pm_runtime.h>
#include <linux/davinci_emac.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
/*
* This timeout definition is a worst-case ultra defensive measure against
return 0;
}
+static int davinci_mdio_probe_dt(struct mdio_platform_data *data,
+ struct platform_device *pdev)
+{
+ struct device_node *node = pdev->dev.of_node;
+ u32 prop;
+
+ if (!node)
+ return -EINVAL;
+
+ if (of_property_read_u32(node, "bus_freq", &prop)) {
+ pr_err("Missing bus_freq property in the DT.\n");
+ return -EINVAL;
+ }
+ data->bus_freq = prop;
+
+ return 0;
+}
+
+
static int __devinit davinci_mdio_probe(struct platform_device *pdev)
{
struct mdio_platform_data *pdata = pdev->dev.platform_data;
return -ENOMEM;
}
- data->pdata = pdata ? (*pdata) : default_pdata;
-
data->bus = mdiobus_alloc();
if (!data->bus) {
dev_err(dev, "failed to alloc mii bus\n");
goto bail_out;
}
+ if (dev->of_node) {
+ if (davinci_mdio_probe_dt(&data->pdata, pdev))
+ data->pdata = default_pdata;
+ snprintf(data->bus->id, MII_BUS_ID_SIZE, "%s", pdev->name);
+ } else {
+ data->pdata = pdata ? (*pdata) : default_pdata;
+ snprintf(data->bus->id, MII_BUS_ID_SIZE, "%s-%x",
+ pdev->name, pdev->id);
+ }
+
data->bus->name = dev_name(dev);
data->bus->read = davinci_mdio_read,
data->bus->write = davinci_mdio_write,
data->bus->reset = davinci_mdio_reset,
data->bus->parent = dev;
data->bus->priv = data;
- snprintf(data->bus->id, MII_BUS_ID_SIZE, "%s-%x",
- pdev->name, pdev->id);
pm_runtime_enable(&pdev->dev);
pm_runtime_get_sync(&pdev->dev);
.resume = davinci_mdio_resume,
};
+static const struct of_device_id davinci_mdio_of_mtable[] = {
+ { .compatible = "ti,davinci_mdio", },
+ { /* sentinel */ },
+};
+
static struct platform_driver davinci_mdio_driver = {
.driver = {
.name = "davinci_mdio",
.owner = THIS_MODULE,
.pm = &davinci_mdio_pm_ops,
+ .of_match_table = of_match_ptr(davinci_mdio_of_mtable),
},
.probe = davinci_mdio_probe,
.remove = __devexit_p(davinci_mdio_remove),
}
data->rxskbs[i] = skb;
- data->rxskbs[i] = skb;
data->rxring[i].buf0 = virt_to_phys(data->rxskbs[i]->data);
data->rxring[i].misc = TSI108_RX_OWN | TSI108_RX_INT;
}
if (data && is_valid_ether_addr(data->mac_addr)) {
memcpy(ndev->dev_addr, data->mac_addr, ETH_ALEN);
} else {
- eth_random_addr(ndev->dev_addr);
- ndev->addr_assign_type |= NET_ADDR_RANDOM;
+ eth_hw_addr_random(ndev);
}
mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (data && is_valid_ether_addr(data->mac_addr)) {
memcpy(ndev->dev_addr, data->mac_addr, ETH_ALEN);
} else {
- eth_random_addr(ndev->dev_addr);
- ndev->addr_assign_type |= NET_ADDR_RANDOM;
+ eth_hw_addr_random(ndev);
}
mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
ndev_ctx = container_of(w, struct net_device_context, dwork.work);
net_device = hv_get_drvdata(ndev_ctx->device_ctx);
net = net_device->ndev;
- netif_notify_peers(net);
+ netdev_notify_peers(net);
}
/* Simplify allocation by having a netvsc packet inline */
struct hv_netvsc_packet pkt;
struct hv_page_buffer buf;
- /* FIXME: We assumed a fixed size request here. */
+
struct rndis_message request_msg;
+ /*
+ * The buffer for the extended info after the RNDIS message. It's
+ * referenced based on the data offset in the RNDIS message. Its size
+ * is enough for current needs, and should be sufficient for the near
+ * future.
+ */
u8 ext[100];
};
.resume = at86rf230_resume,
};
-static int __init at86rf230_init(void)
-{
- return spi_register_driver(&at86rf230_driver);
-}
-module_init(at86rf230_init);
-
-static void __exit at86rf230_exit(void)
-{
- spi_unregister_driver(&at86rf230_driver);
-}
-module_exit(at86rf230_exit);
+module_spi_driver(at86rf230_driver);
MODULE_DESCRIPTION("AT86RF230 Transceiver Driver");
MODULE_LICENSE("GPL v2");
module_init(fake_init);
module_exit(fake_exit);
MODULE_LICENSE("GPL");
-
if (err)
goto out_free_netdev;
+ BUG_ON(dev->ifindex != LOOPBACK_IFINDEX);
net->loopback_dev = dev;
return 0;
several child MDIO busses to a parent bus. Child bus
selection is under the control of GPIO lines.
+config MDIO_BUS_MUX_MMIOREG
+ tristate "Support for MMIO device-controlled MDIO bus multiplexers"
+ depends on OF_MDIO
+ select MDIO_BUS_MUX
+ help
+ This module provides a driver for MDIO bus multiplexers that
+ are controlled via a simple memory-mapped device, like an FPGA.
+ The multiplexer connects one of several child MDIO busses to a
+ parent bus. Child bus selection is under the control of one of
+ the FPGA's registers.
+
+ Currently, only 8-bit registers are supported.
+
endif # PHYLIB
config MICREL_KS8995MA
obj-$(CONFIG_AMD_PHY) += amd.o
obj-$(CONFIG_MDIO_BUS_MUX) += mdio-mux.o
obj-$(CONFIG_MDIO_BUS_MUX_GPIO) += mdio-mux-gpio.o
+obj-$(CONFIG_MDIO_BUS_MUX_MMIOREG) += mdio-mux-mmioreg.o
#include <linux/gpio.h>
#include <linux/mdio-gpio.h>
-#ifdef CONFIG_OF_GPIO
#include <linux/of_gpio.h>
#include <linux/of_mdio.h>
-#include <linux/of_platform.h>
-#endif
struct mdio_gpio_info {
struct mdiobb_ctrl ctrl;
int mdc, mdio;
};
+static void *mdio_gpio_of_get_data(struct platform_device *pdev)
+{
+ struct device_node *np = pdev->dev.of_node;
+ struct mdio_gpio_platform_data *pdata;
+ int ret;
+
+ pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
+ if (!pdata)
+ return NULL;
+
+ ret = of_get_gpio(np, 0);
+ if (ret < 0)
+ return NULL;
+
+ pdata->mdc = ret;
+
+ ret = of_get_gpio(np, 1);
+ if (ret < 0)
+ return NULL;
+ pdata->mdio = ret;
+
+ return pdata;
+}
+
static void mdio_dir(struct mdiobb_ctrl *ctrl, int dir)
{
struct mdio_gpio_info *bitbang =
static int __devinit mdio_gpio_probe(struct platform_device *pdev)
{
- struct mdio_gpio_platform_data *pdata = pdev->dev.platform_data;
+ struct mdio_gpio_platform_data *pdata;
struct mii_bus *new_bus;
int ret;
+ if (pdev->dev.of_node)
+ pdata = mdio_gpio_of_get_data(pdev);
+ else
+ pdata = pdev->dev.platform_data;
+
if (!pdata)
return -ENODEV;
if (!new_bus)
return -ENODEV;
- ret = mdiobus_register(new_bus);
+ if (pdev->dev.of_node)
+ ret = of_mdiobus_register(new_bus, pdev->dev.of_node);
+ else
+ ret = mdiobus_register(new_bus);
+
if (ret)
mdio_gpio_bus_deinit(&pdev->dev);
return 0;
}
-#ifdef CONFIG_OF_GPIO
-
-static int __devinit mdio_ofgpio_probe(struct platform_device *ofdev)
-{
- struct mdio_gpio_platform_data *pdata;
- struct mii_bus *new_bus;
- int ret;
-
- pdata = kzalloc(sizeof(*pdata), GFP_KERNEL);
- if (!pdata)
- return -ENOMEM;
-
- ret = of_get_gpio(ofdev->dev.of_node, 0);
- if (ret < 0)
- goto out_free;
- pdata->mdc = ret;
-
- ret = of_get_gpio(ofdev->dev.of_node, 1);
- if (ret < 0)
- goto out_free;
- pdata->mdio = ret;
-
- new_bus = mdio_gpio_bus_init(&ofdev->dev, pdata, pdata->mdc);
- if (!new_bus)
- goto out_free;
-
- ret = of_mdiobus_register(new_bus, ofdev->dev.of_node);
- if (ret)
- mdio_gpio_bus_deinit(&ofdev->dev);
-
- return ret;
-
-out_free:
- kfree(pdata);
- return -ENODEV;
-}
-
-static int __devexit mdio_ofgpio_remove(struct platform_device *ofdev)
-{
- mdio_gpio_bus_destroy(&ofdev->dev);
- kfree(ofdev->dev.platform_data);
-
- return 0;
-}
-
-static struct of_device_id mdio_ofgpio_match[] = {
- {
- .compatible = "virtual,mdio-gpio",
- },
- {},
-};
-MODULE_DEVICE_TABLE(of, mdio_ofgpio_match);
-
-static struct platform_driver mdio_ofgpio_driver = {
- .driver = {
- .name = "mdio-ofgpio",
- .owner = THIS_MODULE,
- .of_match_table = mdio_ofgpio_match,
- },
- .probe = mdio_ofgpio_probe,
- .remove = __devexit_p(mdio_ofgpio_remove),
+static struct of_device_id mdio_gpio_of_match[] = {
+ { .compatible = "virtual,mdio-gpio", },
+ { /* sentinel */ }
};
-static inline int __init mdio_ofgpio_init(void)
-{
- return platform_driver_register(&mdio_ofgpio_driver);
-}
-
-static inline void mdio_ofgpio_exit(void)
-{
- platform_driver_unregister(&mdio_ofgpio_driver);
-}
-#else
-static inline int __init mdio_ofgpio_init(void) { return 0; }
-static inline void mdio_ofgpio_exit(void) { }
-#endif /* CONFIG_OF_GPIO */
-
static struct platform_driver mdio_gpio_driver = {
.probe = mdio_gpio_probe,
.remove = __devexit_p(mdio_gpio_remove),
.driver = {
.name = "mdio-gpio",
.owner = THIS_MODULE,
+ .of_match_table = mdio_gpio_of_match,
},
};
static int __init mdio_gpio_init(void)
{
- int ret;
-
- ret = mdio_ofgpio_init();
- if (ret)
- return ret;
-
- ret = platform_driver_register(&mdio_gpio_driver);
- if (ret)
- mdio_ofgpio_exit();
-
- return ret;
+ return platform_driver_register(&mdio_gpio_driver);
}
module_init(mdio_gpio_init);
static void __exit mdio_gpio_exit(void)
{
platform_driver_unregister(&mdio_gpio_driver);
- mdio_ofgpio_exit();
}
module_exit(mdio_gpio_exit);
--- /dev/null
+/*
+ * Simple memory-mapped device MDIO MUX driver
+ *
+ * Author: Timur Tabi <timur@freescale.com>
+ *
+ * Copyright 2012 Freescale Semiconductor, Inc.
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2. This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ */
+
+#include <linux/platform_device.h>
+#include <linux/device.h>
+#include <linux/of_mdio.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/phy.h>
+#include <linux/mdio-mux.h>
+
+struct mdio_mux_mmioreg_state {
+ void *mux_handle;
+ phys_addr_t phys;
+ uint8_t mask;
+};
+
+/*
+ * MDIO multiplexing switch function
+ *
+ * This function is called by the mdio-mux layer when it thinks the mdio bus
+ * multiplexer needs to switch.
+ *
+ * 'current_child' is the current value of the mux register (masked via
+ * s->mask).
+ *
+ * 'desired_child' is the value of the 'reg' property of the target child MDIO
+ * node.
+ *
+ * The first time this function is called, current_child == -1.
+ *
+ * If current_child == desired_child, then the mux is already set to the
+ * correct bus.
+ */
+static int mdio_mux_mmioreg_switch_fn(int current_child, int desired_child,
+ void *data)
+{
+ struct mdio_mux_mmioreg_state *s = data;
+
+ if (current_child ^ desired_child) {
+ void *p = ioremap(s->phys, 1);
+ uint8_t x, y;
+
+ if (!p)
+ return -ENOMEM;
+
+ x = ioread8(p);
+ y = (x & ~s->mask) | desired_child;
+ if (x != y) {
+ iowrite8((x & ~s->mask) | desired_child, p);
+ pr_debug("%s: %02x -> %02x\n", __func__, x, y);
+ }
+
+ iounmap(p);
+ }
+
+ return 0;
+}
+
+static int __devinit mdio_mux_mmioreg_probe(struct platform_device *pdev)
+{
+ struct device_node *np2, *np = pdev->dev.of_node;
+ struct mdio_mux_mmioreg_state *s;
+ struct resource res;
+ const __be32 *iprop;
+ int len, ret;
+
+ dev_dbg(&pdev->dev, "probing node %s\n", np->full_name);
+
+ s = devm_kzalloc(&pdev->dev, sizeof(*s), GFP_KERNEL);
+ if (!s)
+ return -ENOMEM;
+
+ ret = of_address_to_resource(np, 0, &res);
+ if (ret) {
+ dev_err(&pdev->dev, "could not obtain memory map for node %s\n",
+ np->full_name);
+ return ret;
+ }
+ s->phys = res.start;
+
+ if (resource_size(&res) != sizeof(uint8_t)) {
+ dev_err(&pdev->dev, "only 8-bit registers are supported\n");
+ return -EINVAL;
+ }
+
+ iprop = of_get_property(np, "mux-mask", &len);
+ if (!iprop || len != sizeof(uint32_t)) {
+ dev_err(&pdev->dev, "missing or invalid mux-mask property\n");
+ return -ENODEV;
+ }
+ if (be32_to_cpup(iprop) > 255) {
+ dev_err(&pdev->dev, "only 8-bit registers are supported\n");
+ return -EINVAL;
+ }
+ s->mask = be32_to_cpup(iprop);
+
+ /*
+ * Verify that the 'reg' property of each child MDIO bus does not
+ * set any bits outside of the 'mask'.
+ */
+ for_each_available_child_of_node(np, np2) {
+ iprop = of_get_property(np2, "reg", &len);
+ if (!iprop || len != sizeof(uint32_t)) {
+ dev_err(&pdev->dev, "mdio-mux child node %s is "
+ "missing a 'reg' property\n", np2->full_name);
+ return -ENODEV;
+ }
+ if (be32_to_cpup(iprop) & ~s->mask) {
+ dev_err(&pdev->dev, "mdio-mux child node %s has "
+ "a 'reg' value with unmasked bits\n",
+ np2->full_name);
+ return -ENODEV;
+ }
+ }
+
+ ret = mdio_mux_init(&pdev->dev, mdio_mux_mmioreg_switch_fn,
+ &s->mux_handle, s);
+ if (ret) {
+ dev_err(&pdev->dev, "failed to register mdio-mux bus %s\n",
+ np->full_name);
+ return ret;
+ }
+
+ pdev->dev.platform_data = s;
+
+ return 0;
+}
+
+static int __devexit mdio_mux_mmioreg_remove(struct platform_device *pdev)
+{
+ struct mdio_mux_mmioreg_state *s = dev_get_platdata(&pdev->dev);
+
+ mdio_mux_uninit(s->mux_handle);
+
+ return 0;
+}
+
+static struct of_device_id mdio_mux_mmioreg_match[] = {
+ {
+ .compatible = "mdio-mux-mmioreg",
+ },
+ {},
+};
+MODULE_DEVICE_TABLE(of, mdio_mux_mmioreg_match);
+
+static struct platform_driver mdio_mux_mmioreg_driver = {
+ .driver = {
+ .name = "mdio-mux-mmioreg",
+ .owner = THIS_MODULE,
+ .of_match_table = mdio_mux_mmioreg_match,
+ },
+ .probe = mdio_mux_mmioreg_probe,
+ .remove = __devexit_p(mdio_mux_mmioreg_remove),
+};
+
+module_platform_driver(mdio_mux_mmioreg_driver);
+
+MODULE_AUTHOR("Timur Tabi <timur@freescale.com>");
+MODULE_DESCRIPTION("Memory-mapped device MDIO MUX driver");
+MODULE_LICENSE("GPL v2");
bus->write(bus, addr, MII_MMD_DATA, data);
}
-static u32 phy_eee_to_adv(u16 eee_adv)
-{
- u32 adv = 0;
-
- if (eee_adv & MDIO_EEE_100TX)
- adv |= ADVERTISED_100baseT_Full;
- if (eee_adv & MDIO_EEE_1000T)
- adv |= ADVERTISED_1000baseT_Full;
- if (eee_adv & MDIO_EEE_10GT)
- adv |= ADVERTISED_10000baseT_Full;
- if (eee_adv & MDIO_EEE_1000KX)
- adv |= ADVERTISED_1000baseKX_Full;
- if (eee_adv & MDIO_EEE_10GKX4)
- adv |= ADVERTISED_10000baseKX4_Full;
- if (eee_adv & MDIO_EEE_10GKR)
- adv |= ADVERTISED_10000baseKR_Full;
-
- return adv;
-}
-
-static u32 phy_eee_to_supported(u16 eee_caported)
-{
- u32 supported = 0;
-
- if (eee_caported & MDIO_EEE_100TX)
- supported |= SUPPORTED_100baseT_Full;
- if (eee_caported & MDIO_EEE_1000T)
- supported |= SUPPORTED_1000baseT_Full;
- if (eee_caported & MDIO_EEE_10GT)
- supported |= SUPPORTED_10000baseT_Full;
- if (eee_caported & MDIO_EEE_1000KX)
- supported |= SUPPORTED_1000baseKX_Full;
- if (eee_caported & MDIO_EEE_10GKX4)
- supported |= SUPPORTED_10000baseKX4_Full;
- if (eee_caported & MDIO_EEE_10GKR)
- supported |= SUPPORTED_10000baseKR_Full;
-
- return supported;
-}
-
-static u16 phy_adv_to_eee(u32 adv)
-{
- u16 reg = 0;
-
- if (adv & ADVERTISED_100baseT_Full)
- reg |= MDIO_EEE_100TX;
- if (adv & ADVERTISED_1000baseT_Full)
- reg |= MDIO_EEE_1000T;
- if (adv & ADVERTISED_10000baseT_Full)
- reg |= MDIO_EEE_10GT;
- if (adv & ADVERTISED_1000baseKX_Full)
- reg |= MDIO_EEE_1000KX;
- if (adv & ADVERTISED_10000baseKX4_Full)
- reg |= MDIO_EEE_10GKX4;
- if (adv & ADVERTISED_10000baseKR_Full)
- reg |= MDIO_EEE_10GKR;
-
- return reg;
-}
-
/**
* phy_init_eee - init and check the EEE feature
* @phydev: target phy_device struct
if (eee_cap < 0)
return eee_cap;
- cap = phy_eee_to_supported(eee_cap);
+ cap = mmd_eee_cap_to_ethtool_sup_t(eee_cap);
if (!cap)
goto eee_exit;
if (eee_adv < 0)
return eee_adv;
- adv = phy_eee_to_adv(eee_adv);
- lp = phy_eee_to_adv(eee_lp);
+ adv = mmd_eee_adv_to_ethtool_adv_t(eee_adv);
+ lp = mmd_eee_adv_to_ethtool_adv_t(eee_lp);
idx = phy_find_setting(phydev->speed, phydev->duplex);
if ((lp & adv & settings[idx].setting))
goto eee_exit;
MDIO_MMD_PCS, phydev->addr);
if (val < 0)
return val;
- data->supported = phy_eee_to_supported(val);
+ data->supported = mmd_eee_cap_to_ethtool_sup_t(val);
/* Get advertisement EEE */
val = phy_read_mmd_indirect(phydev->bus, MDIO_AN_EEE_ADV,
MDIO_MMD_AN, phydev->addr);
if (val < 0)
return val;
- data->advertised = phy_eee_to_adv(val);
+ data->advertised = mmd_eee_adv_to_ethtool_adv_t(val);
/* Get LP advertisement EEE */
val = phy_read_mmd_indirect(phydev->bus, MDIO_AN_EEE_LPABLE,
MDIO_MMD_AN, phydev->addr);
if (val < 0)
return val;
- data->lp_advertised = phy_eee_to_adv(val);
+ data->lp_advertised = mmd_eee_adv_to_ethtool_adv_t(val);
return 0;
}
{
int val;
- val = phy_adv_to_eee(data->advertised);
+ val = ethtool_adv_to_mmd_eee_adv_t(data->advertised);
phy_write_mmd_indirect(phydev->bus, MDIO_AN_EEE_ADV, MDIO_MMD_AN,
phydev->addr, val);
#define PF_TO_CHANNEL(pf) PF_TO_X(pf, struct channel)
/*
+ * Data structure to hold primary network stats for which
+ * we want to use 64 bit storage. Other network stats
+ * are stored in dev->stats of the ppp strucute.
+ */
+struct ppp_link_stats {
+ u64 rx_packets;
+ u64 tx_packets;
+ u64 rx_bytes;
+ u64 tx_bytes;
+};
+
+/*
* Data structure describing one ppp unit.
* A ppp unit corresponds to a ppp network interface device
* and represents a multilink bundle.
unsigned pass_len, active_len;
#endif /* CONFIG_PPP_FILTER */
struct net *ppp_net; /* the net we belong to */
+ struct ppp_link_stats stats64; /* 64 bit network stats */
};
/*
return err;
}
+struct rtnl_link_stats64*
+ppp_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats64)
+{
+ struct ppp *ppp = netdev_priv(dev);
+
+ ppp_recv_lock(ppp);
+ stats64->rx_packets = ppp->stats64.rx_packets;
+ stats64->rx_bytes = ppp->stats64.rx_bytes;
+ ppp_recv_unlock(ppp);
+
+ ppp_xmit_lock(ppp);
+ stats64->tx_packets = ppp->stats64.tx_packets;
+ stats64->tx_bytes = ppp->stats64.tx_bytes;
+ ppp_xmit_unlock(ppp);
+
+ stats64->rx_errors = dev->stats.rx_errors;
+ stats64->tx_errors = dev->stats.tx_errors;
+ stats64->rx_dropped = dev->stats.rx_dropped;
+ stats64->tx_dropped = dev->stats.tx_dropped;
+ stats64->rx_length_errors = dev->stats.rx_length_errors;
+
+ return stats64;
+}
+
static const struct net_device_ops ppp_netdev_ops = {
- .ndo_start_xmit = ppp_start_xmit,
- .ndo_do_ioctl = ppp_net_ioctl,
+ .ndo_start_xmit = ppp_start_xmit,
+ .ndo_do_ioctl = ppp_net_ioctl,
+ .ndo_get_stats64 = ppp_get_stats64,
};
static void ppp_setup(struct net_device *dev)
#endif /* CONFIG_PPP_FILTER */
}
- ++ppp->dev->stats.tx_packets;
- ppp->dev->stats.tx_bytes += skb->len - 2;
+ ++ppp->stats64.tx_packets;
+ ppp->stats64.tx_bytes += skb->len - 2;
switch (proto) {
case PPP_IP:
break;
}
- ++ppp->dev->stats.rx_packets;
- ppp->dev->stats.rx_bytes += skb->len - 2;
+ ++ppp->stats64.rx_packets;
+ ppp->stats64.rx_bytes += skb->len - 2;
npi = proto_to_npindex(proto);
if (npi < 0) {
struct slcompress *vj = ppp->vj;
memset(st, 0, sizeof(*st));
- st->p.ppp_ipackets = ppp->dev->stats.rx_packets;
+ st->p.ppp_ipackets = ppp->stats64.rx_packets;
st->p.ppp_ierrors = ppp->dev->stats.rx_errors;
- st->p.ppp_ibytes = ppp->dev->stats.rx_bytes;
- st->p.ppp_opackets = ppp->dev->stats.tx_packets;
+ st->p.ppp_ibytes = ppp->stats64.rx_bytes;
+ st->p.ppp_opackets = ppp->stats64.tx_packets;
st->p.ppp_oerrors = ppp->dev->stats.tx_errors;
- st->p.ppp_obytes = ppp->dev->stats.tx_bytes;
+ st->p.ppp_obytes = ppp->stats64.tx_bytes;
if (!vj)
return;
st->vj.vjs_packets = vj->sls_o_compressed + vj->sls_o_uncompressed;
---help---
Basic mode where packets are transmitted always by all suitable ports.
- All added ports are setup to have team's mac address.
+ All added ports are setup to have team's device address.
To compile this team mode as a module, choose M here: the module
will be called team_mode_broadcast.
Basic mode where port used for transmitting packets is selected in
round-robin fashion using packet counter.
- All added ports are setup to have team's mac address.
+ All added ports are setup to have team's device address.
To compile this team mode as a module, choose M here: the module
will be called team_mode_roundrobin.
}
/*
- * Since the ability to change mac address for open port device is tested in
+ * Since the ability to change device address for open port device is tested in
* team_port_add, this function can be called without control of return value
*/
-static int __set_port_mac(struct net_device *port_dev,
- const unsigned char *dev_addr)
+static int __set_port_dev_addr(struct net_device *port_dev,
+ const unsigned char *dev_addr)
{
struct sockaddr addr;
- memcpy(addr.sa_data, dev_addr, ETH_ALEN);
- addr.sa_family = ARPHRD_ETHER;
+ memcpy(addr.sa_data, dev_addr, port_dev->addr_len);
+ addr.sa_family = port_dev->type;
return dev_set_mac_address(port_dev, &addr);
}
-static int team_port_set_orig_mac(struct team_port *port)
+static int team_port_set_orig_dev_addr(struct team_port *port)
{
- return __set_port_mac(port->dev, port->orig.dev_addr);
+ return __set_port_dev_addr(port->dev, port->orig.dev_addr);
}
-int team_port_set_team_mac(struct team_port *port)
+int team_port_set_team_dev_addr(struct team_port *port)
{
- return __set_port_mac(port->dev, port->team->dev->dev_addr);
+ return __set_port_dev_addr(port->dev, port->team->dev->dev_addr);
}
-EXPORT_SYMBOL(team_port_set_team_mac);
+EXPORT_SYMBOL(team_port_set_team_dev_addr);
static void team_refresh_port_linkup(struct team_port *port)
{
}
+/*************************************
+ * Multiqueue Tx port select override
+ *************************************/
+
+static int team_queue_override_init(struct team *team)
+{
+ struct list_head *listarr;
+ unsigned int queue_cnt = team->dev->num_tx_queues - 1;
+ unsigned int i;
+
+ if (!queue_cnt)
+ return 0;
+ listarr = kmalloc(sizeof(struct list_head) * queue_cnt, GFP_KERNEL);
+ if (!listarr)
+ return -ENOMEM;
+ team->qom_lists = listarr;
+ for (i = 0; i < queue_cnt; i++)
+ INIT_LIST_HEAD(listarr++);
+ return 0;
+}
+
+static void team_queue_override_fini(struct team *team)
+{
+ kfree(team->qom_lists);
+}
+
+static struct list_head *__team_get_qom_list(struct team *team, u16 queue_id)
+{
+ return &team->qom_lists[queue_id - 1];
+}
+
+/*
+ * note: already called with rcu_read_lock
+ */
+static bool team_queue_override_transmit(struct team *team, struct sk_buff *skb)
+{
+ struct list_head *qom_list;
+ struct team_port *port;
+
+ if (!team->queue_override_enabled || !skb->queue_mapping)
+ return false;
+ qom_list = __team_get_qom_list(team, skb->queue_mapping);
+ list_for_each_entry_rcu(port, qom_list, qom_list) {
+ if (!team_dev_queue_xmit(team, port, skb))
+ return true;
+ }
+ return false;
+}
+
+static void __team_queue_override_port_del(struct team *team,
+ struct team_port *port)
+{
+ list_del_rcu(&port->qom_list);
+ synchronize_rcu();
+ INIT_LIST_HEAD(&port->qom_list);
+}
+
+static bool team_queue_override_port_has_gt_prio_than(struct team_port *port,
+ struct team_port *cur)
+{
+ if (port->priority < cur->priority)
+ return true;
+ if (port->priority > cur->priority)
+ return false;
+ if (port->index < cur->index)
+ return true;
+ return false;
+}
+
+static void __team_queue_override_port_add(struct team *team,
+ struct team_port *port)
+{
+ struct team_port *cur;
+ struct list_head *qom_list;
+ struct list_head *node;
+
+ if (!port->queue_id || !team_port_enabled(port))
+ return;
+
+ qom_list = __team_get_qom_list(team, port->queue_id);
+ node = qom_list;
+ list_for_each_entry(cur, qom_list, qom_list) {
+ if (team_queue_override_port_has_gt_prio_than(port, cur))
+ break;
+ node = &cur->qom_list;
+ }
+ list_add_tail_rcu(&port->qom_list, node);
+}
+
+static void __team_queue_override_enabled_check(struct team *team)
+{
+ struct team_port *port;
+ bool enabled = false;
+
+ list_for_each_entry(port, &team->port_list, list) {
+ if (!list_empty(&port->qom_list)) {
+ enabled = true;
+ break;
+ }
+ }
+ if (enabled == team->queue_override_enabled)
+ return;
+ netdev_dbg(team->dev, "%s queue override\n",
+ enabled ? "Enabling" : "Disabling");
+ team->queue_override_enabled = enabled;
+}
+
+static void team_queue_override_port_refresh(struct team *team,
+ struct team_port *port)
+{
+ __team_queue_override_port_del(team, port);
+ __team_queue_override_port_add(team, port);
+ __team_queue_override_enabled_check(team);
+}
+
+
/****************
* Port handling
****************/
hlist_add_head_rcu(&port->hlist,
team_port_index_hash(team, port->index));
team_adjust_ops(team);
+ team_queue_override_port_refresh(team, port);
if (team->ops.port_enabled)
team->ops.port_enabled(team, port);
}
hlist_del_rcu(&port->hlist);
__reconstruct_port_hlist(team, port->index);
port->index = -1;
+ team_queue_override_port_refresh(team, port);
__team_adjust_ops(team, team->en_port_count - 1);
/*
* Wait until readers see adjusted ops. This ensures that
#endif
static void __team_port_change_check(struct team_port *port, bool linkup);
+static int team_dev_type_check_change(struct net_device *dev,
+ struct net_device *port_dev);
static int team_port_add(struct team *team, struct net_device *port_dev)
{
char *portname = port_dev->name;
int err;
- if (port_dev->flags & IFF_LOOPBACK ||
- port_dev->type != ARPHRD_ETHER) {
- netdev_err(dev, "Device %s is of an unsupported type\n",
+ if (port_dev->flags & IFF_LOOPBACK) {
+ netdev_err(dev, "Device %s is loopback device. Loopback devices can't be added as a team port\n",
portname);
return -EINVAL;
}
return -EBUSY;
}
+ if (port_dev->features & NETIF_F_VLAN_CHALLENGED &&
+ vlan_uses_dev(dev)) {
+ netdev_err(dev, "Device %s is VLAN challenged and team device has VLAN set up\n",
+ portname);
+ return -EPERM;
+ }
+
+ err = team_dev_type_check_change(dev, port_dev);
+ if (err)
+ return err;
+
if (port_dev->flags & IFF_UP) {
netdev_err(dev, "Device %s is up. Set it down before adding it as a team port\n",
portname);
port->dev = port_dev;
port->team = team;
+ INIT_LIST_HEAD(&port->qom_list);
port->orig.mtu = port_dev->mtu;
err = dev_set_mtu(port_dev, dev->mtu);
goto err_set_mtu;
}
- memcpy(port->orig.dev_addr, port_dev->dev_addr, ETH_ALEN);
+ memcpy(port->orig.dev_addr, port_dev->dev_addr, port_dev->addr_len);
err = team_port_enter(team, port);
if (err) {
err_dev_open:
team_port_leave(team, port);
- team_port_set_orig_mac(port);
+ team_port_set_orig_dev_addr(port);
err_port_enter:
dev_set_mtu(port_dev, port->orig.mtu);
vlan_vids_del_by_dev(port_dev, dev);
dev_close(port_dev);
team_port_leave(team, port);
- team_port_set_orig_mac(port);
+ team_port_set_orig_dev_addr(port);
dev_set_mtu(port_dev, port->orig.mtu);
synchronize_rcu();
kfree(port);
return 0;
}
+static int team_priority_option_get(struct team *team,
+ struct team_gsetter_ctx *ctx)
+{
+ struct team_port *port = ctx->info->port;
+
+ ctx->data.s32_val = port->priority;
+ return 0;
+}
+
+static int team_priority_option_set(struct team *team,
+ struct team_gsetter_ctx *ctx)
+{
+ struct team_port *port = ctx->info->port;
+
+ port->priority = ctx->data.s32_val;
+ team_queue_override_port_refresh(team, port);
+ return 0;
+}
+
+static int team_queue_id_option_get(struct team *team,
+ struct team_gsetter_ctx *ctx)
+{
+ struct team_port *port = ctx->info->port;
+
+ ctx->data.u32_val = port->queue_id;
+ return 0;
+}
+
+static int team_queue_id_option_set(struct team *team,
+ struct team_gsetter_ctx *ctx)
+{
+ struct team_port *port = ctx->info->port;
+
+ if (port->queue_id == ctx->data.u32_val)
+ return 0;
+ if (ctx->data.u32_val >= team->dev->real_num_tx_queues)
+ return -EINVAL;
+ port->queue_id = ctx->data.u32_val;
+ team_queue_override_port_refresh(team, port);
+ return 0;
+}
+
+
static const struct team_option team_options[] = {
{
.name = "mode",
.getter = team_user_linkup_en_option_get,
.setter = team_user_linkup_en_option_set,
},
+ {
+ .name = "priority",
+ .type = TEAM_OPTION_TYPE_S32,
+ .per_port = true,
+ .getter = team_priority_option_get,
+ .setter = team_priority_option_set,
+ },
+ {
+ .name = "queue_id",
+ .type = TEAM_OPTION_TYPE_U32,
+ .per_port = true,
+ .getter = team_queue_id_option_get,
+ .setter = team_queue_id_option_set,
+ },
};
static struct lock_class_key team_netdev_xmit_lock_key;
for (i = 0; i < TEAM_PORT_HASHENTRIES; i++)
INIT_HLIST_HEAD(&team->en_port_hlist[i]);
INIT_LIST_HEAD(&team->port_list);
+ err = team_queue_override_init(team);
+ if (err)
+ goto err_team_queue_override_init;
team_adjust_ops(team);
return 0;
err_options_register:
+ team_queue_override_fini(team);
+err_team_queue_override_init:
free_percpu(team->pcpu_stats);
return err;
__team_change_mode(team, NULL); /* cleanup */
__team_options_unregister(team, team_options, ARRAY_SIZE(team_options));
+ team_queue_override_fini(team);
mutex_unlock(&team->lock);
}
static netdev_tx_t team_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct team *team = netdev_priv(dev);
- bool tx_success = false;
+ bool tx_success;
unsigned int len = skb->len;
- tx_success = team->ops.transmit(team, skb);
+ tx_success = team_queue_override_transmit(team, skb);
+ if (!tx_success)
+ tx_success = team->ops.transmit(team, skb);
if (tx_success) {
struct team_pcpu_stats *pcpu_stats;
static int team_set_mac_address(struct net_device *dev, void *p)
{
+ struct sockaddr *addr = p;
struct team *team = netdev_priv(dev);
struct team_port *port;
- int err;
- err = eth_mac_addr(dev, p);
- if (err)
- return err;
+ if (dev->type == ARPHRD_ETHER && !is_valid_ether_addr(addr->sa_data))
+ return -EADDRNOTAVAIL;
+ memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
+ dev->addr_assign_type &= ~NET_ADDR_RANDOM;
rcu_read_lock();
list_for_each_entry_rcu(port, &team->port_list, list)
- if (team->ops.port_change_mac)
- team->ops.port_change_mac(team, port);
+ if (team->ops.port_change_dev_addr)
+ team->ops.port_change_dev_addr(team, port);
rcu_read_unlock();
return 0;
}
* rt netlink interface
***********************/
+static void team_setup_by_port(struct net_device *dev,
+ struct net_device *port_dev)
+{
+ dev->header_ops = port_dev->header_ops;
+ dev->type = port_dev->type;
+ dev->hard_header_len = port_dev->hard_header_len;
+ dev->addr_len = port_dev->addr_len;
+ dev->mtu = port_dev->mtu;
+ memcpy(dev->broadcast, port_dev->broadcast, port_dev->addr_len);
+ memcpy(dev->dev_addr, port_dev->dev_addr, port_dev->addr_len);
+ dev->addr_assign_type &= ~NET_ADDR_RANDOM;
+}
+
+static int team_dev_type_check_change(struct net_device *dev,
+ struct net_device *port_dev)
+{
+ struct team *team = netdev_priv(dev);
+ char *portname = port_dev->name;
+ int err;
+
+ if (dev->type == port_dev->type)
+ return 0;
+ if (!list_empty(&team->port_list)) {
+ netdev_err(dev, "Device %s is of different type\n", portname);
+ return -EBUSY;
+ }
+ err = call_netdevice_notifiers(NETDEV_PRE_TYPE_CHANGE, dev);
+ err = notifier_to_errno(err);
+ if (err) {
+ netdev_err(dev, "Refused to change device type\n");
+ return err;
+ }
+ dev_uc_flush(dev);
+ dev_mc_flush(dev);
+ team_setup_by_port(dev, port_dev);
+ call_netdevice_notifiers(NETDEV_POST_TYPE_CHANGE, dev);
+ return 0;
+}
+
static void team_setup(struct net_device *dev)
{
ether_setup(dev);
nla_put_flag(skb, TEAM_ATTR_OPTION_DATA))
goto nest_cancel;
break;
+ case TEAM_OPTION_TYPE_S32:
+ if (nla_put_u8(skb, TEAM_ATTR_OPTION_TYPE, NLA_S32))
+ goto nest_cancel;
+ if (nla_put_s32(skb, TEAM_ATTR_OPTION_DATA, ctx.data.s32_val))
+ goto nest_cancel;
+ break;
default:
BUG();
}
case NLA_FLAG:
opt_type = TEAM_OPTION_TYPE_BOOL;
break;
+ case NLA_S32:
+ opt_type = TEAM_OPTION_TYPE_S32;
+ break;
default:
goto team_put;
}
case TEAM_OPTION_TYPE_BOOL:
ctx.data.bool_val = attr_data ? true : false;
break;
+ case TEAM_OPTION_TYPE_S32:
+ ctx.data.s32_val = nla_get_s32(attr_data);
+ break;
default:
BUG();
}
list_add_tail(&opt_inst->tmp_list, &sel_opt_inst_list);
}
err = team_nl_send_event_options_get(team, &sel_opt_inst_list);
- if (err)
+ if (err && err != -ESRCH)
netdev_warn(team->dev, "Failed to send options change via netlink (err %d)\n",
err);
}
send_event:
err = team_nl_send_event_port_list_get(port->team);
- if (err)
- netdev_warn(port->team->dev, "Failed to send port change of device %s via netlink\n",
- port->dev->name);
+ if (err && err != -ESRCH)
+ netdev_warn(port->team->dev, "Failed to send port change of device %s via netlink (err %d)\n",
+ port->dev->name, err);
}
static int bc_port_enter(struct team *team, struct team_port *port)
{
- return team_port_set_team_mac(port);
+ return team_port_set_team_dev_addr(port);
}
-static void bc_port_change_mac(struct team *team, struct team_port *port)
+static void bc_port_change_dev_addr(struct team *team, struct team_port *port)
{
- team_port_set_team_mac(port);
+ team_port_set_team_dev_addr(port);
}
static const struct team_mode_ops bc_mode_ops = {
.transmit = bc_transmit,
.port_enter = bc_port_enter,
- .port_change_mac = bc_port_change_mac,
+ .port_change_dev_addr = bc_port_change_dev_addr,
};
static const struct team_mode bc_mode = {
static int rr_port_enter(struct team *team, struct team_port *port)
{
- return team_port_set_team_mac(port);
+ return team_port_set_team_dev_addr(port);
}
-static void rr_port_change_mac(struct team *team, struct team_port *port)
+static void rr_port_change_dev_addr(struct team *team, struct team_port *port)
{
- team_port_set_team_mac(port);
+ team_port_set_team_dev_addr(port);
}
static const struct team_mode_ops rr_mode_ops = {
.transmit = rr_transmit,
.port_enter = rr_port_enter,
- .port_change_mac = rr_port_change_mac,
+ .port_change_dev_addr = rr_port_change_dev_addr,
};
static const struct team_mode rr_mode = {
struct tun_struct {
struct tun_file *tfile;
unsigned int flags;
- uid_t owner;
- gid_t group;
+ kuid_t owner;
+ kgid_t group;
struct net_device *dev;
netdev_features_t set_features;
{
struct tun_struct *tun = netdev_priv(dev);
- tun->owner = -1;
- tun->group = -1;
+ tun->owner = INVALID_UID;
+ tun->group = INVALID_GID;
dev->ethtool_ops = &tun_ethtool_ops;
dev->destructor = tun_free_netdev;
char *buf)
{
struct tun_struct *tun = netdev_priv(to_net_dev(dev));
- return sprintf(buf, "%d\n", tun->owner);
+ return uid_valid(tun->owner)?
+ sprintf(buf, "%u\n",
+ from_kuid_munged(current_user_ns(), tun->owner)):
+ sprintf(buf, "-1\n");
}
static ssize_t tun_show_group(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct tun_struct *tun = netdev_priv(to_net_dev(dev));
- return sprintf(buf, "%d\n", tun->group);
+ return gid_valid(tun->group) ?
+ sprintf(buf, "%u\n",
+ from_kgid_munged(current_user_ns(), tun->group)):
+ sprintf(buf, "-1\n");
}
static DEVICE_ATTR(tun_flags, 0444, tun_show_flags, NULL);
else
return -EINVAL;
- if (((tun->owner != -1 && cred->euid != tun->owner) ||
- (tun->group != -1 && !in_egroup_p(tun->group))) &&
+ if (((uid_valid(tun->owner) && !uid_eq(cred->euid, tun->owner)) ||
+ (gid_valid(tun->group) && !in_egroup_p(tun->group))) &&
!capable(CAP_NET_ADMIN))
return -EPERM;
err = security_tun_dev_attach(tun->socket.sk);
void __user* argp = (void __user*)arg;
struct sock_fprog fprog;
struct ifreq ifr;
+ kuid_t owner;
+ kgid_t group;
int sndbuf;
int vnet_hdr_sz;
int ret;
case TUNSETOWNER:
/* Set owner of the device */
- tun->owner = (uid_t) arg;
-
- tun_debug(KERN_INFO, tun, "owner set to %d\n", tun->owner);
+ owner = make_kuid(current_user_ns(), arg);
+ if (!uid_valid(owner)) {
+ ret = -EINVAL;
+ break;
+ }
+ tun->owner = owner;
+ tun_debug(KERN_INFO, tun, "owner set to %d\n",
+ from_kuid(&init_user_ns, tun->owner));
break;
case TUNSETGROUP:
/* Set group of the device */
- tun->group= (gid_t) arg;
-
- tun_debug(KERN_INFO, tun, "group set to %d\n", tun->group);
+ group = make_kgid(current_user_ns(), arg);
+ if (!gid_valid(group)) {
+ ret = -EINVAL;
+ break;
+ }
+ tun->group = group;
+ tun_debug(KERN_INFO, tun, "group set to %d\n",
+ from_kgid(&init_user_ns, tun->group));
break;
case TUNSETLINK:
if (tbp[IFLA_ADDRESS] == NULL)
eth_hw_addr_random(peer);
+ if (ifmp && (dev->ifindex != 0))
+ peer->ifindex = ifmp->ifi_index;
+
err = register_netdevice(peer);
put_net(net);
net = NULL;
goto done;
if (v & VIRTIO_NET_S_ANNOUNCE) {
- netif_notify_peers(vi->dev);
+ netdev_notify_peers(vi->dev);
virtnet_ack_link_announce(vi);
}
struct sk_buff *skb;
const struct i2400m_tlv_detailed_device_info *ddi;
struct net_device *net_dev = i2400m->wimax_dev.net_dev;
- const unsigned char zeromac[ETH_ALEN] = { 0 };
d_fnstart(3, dev, "(i2400m %p)\n", i2400m);
skb = i2400m_get_device_info(i2400m);
"to that of boot mode's\n");
dev_warn(dev, "device reports %pM\n", ddi->mac_address);
dev_warn(dev, "boot mode reported %pM\n", net_dev->perm_addr);
- if (!memcmp(zeromac, ddi->mac_address, sizeof(zeromac)))
+ if (is_zero_ether_addr(ddi->mac_address))
dev_err(dev, "device reports an invalid MAC address, "
"not updating\n");
else {
}
/* Put adm8211_tx_hdr on skb and transmit */
-static void adm8211_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
+static void adm8211_tx(struct ieee80211_hw *dev,
+ struct ieee80211_tx_control *control,
+ struct sk_buff *skb)
{
struct adm8211_tx_hdr *txhdr;
size_t payload_len, hdrlen;
static int probe = 1;
+static kuid_t proc_kuid;
static int proc_uid /* = 0 */;
+static kgid_t proc_kgid;
static int proc_gid /* = 0 */;
static int airo_perm = 0555;
static int setup_proc_entry( struct net_device *dev,
struct airo_info *apriv ) {
struct proc_dir_entry *entry;
+
/* First setup the device directory */
strcpy(apriv->proc_name,dev->name);
apriv->proc_entry = proc_mkdir_mode(apriv->proc_name, airo_perm,
airo_entry);
if (!apriv->proc_entry)
goto fail;
- apriv->proc_entry->uid = proc_uid;
- apriv->proc_entry->gid = proc_gid;
+ apriv->proc_entry->uid = proc_kuid;
+ apriv->proc_entry->gid = proc_kgid;
/* Setup the StatsDelta */
entry = proc_create_data("StatsDelta", S_IRUGO & proc_perm,
apriv->proc_entry, &proc_statsdelta_ops, dev);
if (!entry)
goto fail_stats_delta;
- entry->uid = proc_uid;
- entry->gid = proc_gid;
+ entry->uid = proc_kuid;
+ entry->gid = proc_kgid;
/* Setup the Stats */
entry = proc_create_data("Stats", S_IRUGO & proc_perm,
apriv->proc_entry, &proc_stats_ops, dev);
if (!entry)
goto fail_stats;
- entry->uid = proc_uid;
- entry->gid = proc_gid;
+ entry->uid = proc_kuid;
+ entry->gid = proc_kgid;
/* Setup the Status */
entry = proc_create_data("Status", S_IRUGO & proc_perm,
apriv->proc_entry, &proc_status_ops, dev);
if (!entry)
goto fail_status;
- entry->uid = proc_uid;
- entry->gid = proc_gid;
+ entry->uid = proc_kuid;
+ entry->gid = proc_kgid;
/* Setup the Config */
entry = proc_create_data("Config", proc_perm,
apriv->proc_entry, &proc_config_ops, dev);
if (!entry)
goto fail_config;
- entry->uid = proc_uid;
- entry->gid = proc_gid;
+ entry->uid = proc_kuid;
+ entry->gid = proc_kgid;
/* Setup the SSID */
entry = proc_create_data("SSID", proc_perm,
apriv->proc_entry, &proc_SSID_ops, dev);
if (!entry)
goto fail_ssid;
- entry->uid = proc_uid;
- entry->gid = proc_gid;
+ entry->uid = proc_kuid;
+ entry->gid = proc_kgid;
/* Setup the APList */
entry = proc_create_data("APList", proc_perm,
apriv->proc_entry, &proc_APList_ops, dev);
if (!entry)
goto fail_aplist;
- entry->uid = proc_uid;
- entry->gid = proc_gid;
+ entry->uid = proc_kuid;
+ entry->gid = proc_kgid;
/* Setup the BSSList */
entry = proc_create_data("BSSList", proc_perm,
apriv->proc_entry, &proc_BSSList_ops, dev);
if (!entry)
goto fail_bsslist;
- entry->uid = proc_uid;
- entry->gid = proc_gid;
+ entry->uid = proc_kuid;
+ entry->gid = proc_kgid;
/* Setup the WepKey */
entry = proc_create_data("WepKey", proc_perm,
apriv->proc_entry, &proc_wepkey_ops, dev);
if (!entry)
goto fail_wepkey;
- entry->uid = proc_uid;
- entry->gid = proc_gid;
+ entry->uid = proc_kuid;
+ entry->gid = proc_kgid;
return 0;
{
int i;
+ proc_kuid = make_kuid(&init_user_ns, proc_uid);
+ proc_kgid = make_kgid(&init_user_ns, proc_gid);
+ if (!uid_valid(proc_kuid) || !gid_valid(proc_kgid))
+ return -EINVAL;
+
airo_entry = proc_mkdir_mode("driver/aironet", airo_perm, NULL);
if (airo_entry) {
- airo_entry->uid = proc_uid;
- airo_entry->gid = proc_gid;
+ airo_entry->uid = proc_kuid;
+ airo_entry->gid = proc_kgid;
}
for (i = 0; i < 4 && io[i] && irq[i]; i++) {
ieee80211_wake_queues(priv->hw);
}
-static void at76_mac80211_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
+static void at76_mac80211_tx(struct ieee80211_hw *hw,
+ struct ieee80211_tx_control *control,
+ struct sk_buff *skb)
{
struct at76_priv *priv = hw->priv;
struct at76_tx_buffer *tx_buffer = priv->bulk_out_buffer;
unsigned int nexttbtt; /* next beacon time in TU */
struct ath5k_txq *cabq; /* content after beacon */
- int power_level; /* Requested tx power in dBm */
bool assoc; /* associate state */
bool enable_beacon; /* true if beacons are on */
/* Value in dB units */
s16 txp_cck_ofdm_pwr_delta;
bool txp_setup;
+ int txp_requested; /* Requested tx power in dBm */
} ah_txpower;
struct ath5k_nfcal_hist ah_nfcal_hist;
ret = ah->ah_setup_tx_desc(ah, ds, pktlen,
ieee80211_get_hdrlen_from_skb(skb), padsize,
get_hw_packet_type(skb),
- (ah->power_level * 2),
+ (ah->ah_txpower.txp_requested * 2),
hw_rate,
info->control.rates[0].count, keyidx, ah->ah_tx_ant, flags,
cts_rate, duration);
ds->ds_data = bf->skbaddr;
ret = ah->ah_setup_tx_desc(ah, ds, skb->len,
ieee80211_get_hdrlen_from_skb(skb), padsize,
- AR5K_PKT_TYPE_BEACON, (ah->power_level * 2),
+ AR5K_PKT_TYPE_BEACON,
+ (ah->ah_txpower.txp_requested * 2),
ieee80211_get_tx_rate(ah->hw, info)->hw_value,
1, AR5K_TXKEYIX_INVALID,
antenna, flags, 0, 0);
\********************/
static void
-ath5k_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
+ath5k_tx(struct ieee80211_hw *hw, struct ieee80211_tx_control *control,
+ struct sk_buff *skb)
{
struct ath5k_hw *ah = hw->priv;
u16 qnum = skb_get_queue_mapping(skb);
}
if ((changed & IEEE80211_CONF_CHANGE_POWER) &&
- (ah->power_level != conf->power_level)) {
- ah->power_level = conf->power_level;
+ (ah->ah_txpower.txp_requested != conf->power_level)) {
+ ah->ah_txpower.txp_requested = conf->power_level;
/* Half dB steps */
ath5k_hw_set_txpower_limit(ah, (conf->power_level * 2));
{
unsigned int i;
u16 *rates;
+ s16 rate_idx_scaled = 0;
/* max_pwr is power level we got from driver/user in 0.5dB
* units, switch to 0.25dB units so we can compare */
for (i = 8; i <= 15; i++)
rates[i] -= ah->ah_txpower.txp_cck_ofdm_gainf_delta;
+ /* Save min/max and current tx power for this channel
+ * in 0.25dB units.
+ *
+ * Note: We use rates[0] for current tx power because
+ * it covers most of the rates, in most cases. It's our
+ * tx power limit and what the user expects to see. */
+ ah->ah_txpower.txp_min_pwr = 2 * rates[7];
+ ah->ah_txpower.txp_cur_pwr = 2 * rates[0];
+
+ /* Set max txpower for correct OFDM operation on all rates
+ * -that is the txpower for 54Mbit-, it's used for the PAPD
+ * gain probe and it's in 0.5dB units */
+ ah->ah_txpower.txp_ofdm = rates[7];
+
/* Now that we have all rates setup use table offset to
* match the power range set by user with the power indices
* on PCDAC/PDADC table */
for (i = 0; i < 16; i++) {
- rates[i] += ah->ah_txpower.txp_offset;
+ rate_idx_scaled = rates[i] + ah->ah_txpower.txp_offset;
/* Don't get out of bounds */
- if (rates[i] > 63)
- rates[i] = 63;
+ if (rate_idx_scaled > 63)
+ rate_idx_scaled = 63;
+ if (rate_idx_scaled < 0)
+ rate_idx_scaled = 0;
+ rates[i] = rate_idx_scaled;
}
-
- /* Min/max in 0.25dB units */
- ah->ah_txpower.txp_min_pwr = 2 * rates[7];
- ah->ah_txpower.txp_cur_pwr = 2 * rates[0];
- ah->ah_txpower.txp_ofdm = rates[7];
}
if (!ah->ah_txpower.txp_setup ||
(channel->hw_value != curr_channel->hw_value) ||
(channel->center_freq != curr_channel->center_freq)) {
- /* Reset TX power values */
+ /* Reset TX power values but preserve requested
+ * tx power from above */
+ int requested_txpower = ah->ah_txpower.txp_requested;
+
memset(&ah->ah_txpower, 0, sizeof(ah->ah_txpower));
+
+ /* Restore TPC setting and requested tx power */
ah->ah_txpower.txp_tpc = AR5K_TUNE_TPC_TXPOWER;
+ ah->ah_txpower.txp_requested = requested_txpower;
+
/* Calculate the powertable */
ret = ath5k_setup_channel_powertable(ah, channel,
ee_mode, type);
* RF buffer settings on 5211/5212+ so that we
* properly set curve indices.
*/
- ret = ath5k_hw_txpower(ah, channel, ah->ah_txpower.txp_cur_pwr ?
- ah->ah_txpower.txp_cur_pwr / 2 : AR5K_TUNE_MAX_TXPOWER);
+ ret = ath5k_hw_txpower(ah, channel, ah->ah_txpower.txp_requested ?
+ ah->ah_txpower.txp_requested * 2 :
+ AR5K_TUNE_MAX_TXPOWER);
if (ret)
return ret;
i, cfgCtl, pCtlMode[ctlMode], ctlIndex[i],
chan->channel);
- /*
- * compare test group from regulatory
- * channel list with test mode from pCtlMode
- * list
- */
- if ((((cfgCtl & ~CTL_MODE_M) |
- (pCtlMode[ctlMode] & CTL_MODE_M)) ==
- ctlIndex[i]) ||
- (((cfgCtl & ~CTL_MODE_M) |
- (pCtlMode[ctlMode] & CTL_MODE_M)) ==
- ((ctlIndex[i] & CTL_MODE_M) |
- SD_NO_CTL))) {
- twiceMinEdgePower =
- ar9003_hw_get_max_edge_power(pEepData,
- freq, i,
- is2ghz);
-
- if ((cfgCtl & ~CTL_MODE_M) == SD_NO_CTL)
- /*
- * Find the minimum of all CTL
- * edge powers that apply to
- * this channel
- */
- twiceMaxEdgePower =
- min(twiceMaxEdgePower,
- twiceMinEdgePower);
- else {
- /* specific */
- twiceMaxEdgePower =
- twiceMinEdgePower;
- break;
- }
+ /*
+ * compare test group from regulatory
+ * channel list with test mode from pCtlMode
+ * list
+ */
+ if ((((cfgCtl & ~CTL_MODE_M) |
+ (pCtlMode[ctlMode] & CTL_MODE_M)) ==
+ ctlIndex[i]) ||
+ (((cfgCtl & ~CTL_MODE_M) |
+ (pCtlMode[ctlMode] & CTL_MODE_M)) ==
+ ((ctlIndex[i] & CTL_MODE_M) |
+ SD_NO_CTL))) {
+ twiceMinEdgePower =
+ ar9003_hw_get_max_edge_power(pEepData,
+ freq, i,
+ is2ghz);
+
+ if ((cfgCtl & ~CTL_MODE_M) == SD_NO_CTL)
+ /*
+ * Find the minimum of all CTL
+ * edge powers that apply to
+ * this channel
+ */
+ twiceMaxEdgePower =
+ min(twiceMaxEdgePower,
+ twiceMinEdgePower);
+ else {
+ /* specific */
+ twiceMaxEdgePower = twiceMinEdgePower;
+ break;
}
}
+ }
- minCtlPower = (u8)min(twiceMaxEdgePower, scaledPower);
+ minCtlPower = (u8)min(twiceMaxEdgePower, scaledPower);
- ath_dbg(common, REGULATORY,
- "SEL-Min ctlMode %d pCtlMode %d 2xMaxEdge %d sP %d minCtlPwr %d\n",
- ctlMode, pCtlMode[ctlMode], twiceMaxEdgePower,
- scaledPower, minCtlPower);
-
- /* Apply ctl mode to correct target power set */
- switch (pCtlMode[ctlMode]) {
- case CTL_11B:
- for (i = ALL_TARGET_LEGACY_1L_5L;
- i <= ALL_TARGET_LEGACY_11S; i++)
- pPwrArray[i] =
- (u8)min((u16)pPwrArray[i],
- minCtlPower);
- break;
- case CTL_11A:
- case CTL_11G:
- for (i = ALL_TARGET_LEGACY_6_24;
- i <= ALL_TARGET_LEGACY_54; i++)
- pPwrArray[i] =
- (u8)min((u16)pPwrArray[i],
- minCtlPower);
- break;
- case CTL_5GHT20:
- case CTL_2GHT20:
- for (i = ALL_TARGET_HT20_0_8_16;
- i <= ALL_TARGET_HT20_21; i++)
- pPwrArray[i] =
- (u8)min((u16)pPwrArray[i],
- minCtlPower);
- pPwrArray[ALL_TARGET_HT20_22] =
- (u8)min((u16)pPwrArray[ALL_TARGET_HT20_22],
- minCtlPower);
- pPwrArray[ALL_TARGET_HT20_23] =
- (u8)min((u16)pPwrArray[ALL_TARGET_HT20_23],
- minCtlPower);
- break;
- case CTL_5GHT40:
- case CTL_2GHT40:
- for (i = ALL_TARGET_HT40_0_8_16;
- i <= ALL_TARGET_HT40_23; i++)
- pPwrArray[i] =
- (u8)min((u16)pPwrArray[i],
- minCtlPower);
- break;
- default:
- break;
- }
+ ath_dbg(common, REGULATORY,
+ "SEL-Min ctlMode %d pCtlMode %d 2xMaxEdge %d sP %d minCtlPwr %d\n",
+ ctlMode, pCtlMode[ctlMode], twiceMaxEdgePower,
+ scaledPower, minCtlPower);
+
+ /* Apply ctl mode to correct target power set */
+ switch (pCtlMode[ctlMode]) {
+ case CTL_11B:
+ for (i = ALL_TARGET_LEGACY_1L_5L;
+ i <= ALL_TARGET_LEGACY_11S; i++)
+ pPwrArray[i] = (u8)min((u16)pPwrArray[i],
+ minCtlPower);
+ break;
+ case CTL_11A:
+ case CTL_11G:
+ for (i = ALL_TARGET_LEGACY_6_24;
+ i <= ALL_TARGET_LEGACY_54; i++)
+ pPwrArray[i] = (u8)min((u16)pPwrArray[i],
+ minCtlPower);
+ break;
+ case CTL_5GHT20:
+ case CTL_2GHT20:
+ for (i = ALL_TARGET_HT20_0_8_16;
+ i <= ALL_TARGET_HT20_23; i++)
+ pPwrArray[i] = (u8)min((u16)pPwrArray[i],
+ minCtlPower);
+ break;
+ case CTL_5GHT40:
+ case CTL_2GHT40:
+ for (i = ALL_TARGET_HT40_0_8_16;
+ i <= ALL_TARGET_HT40_23; i++)
+ pPwrArray[i] = (u8)min((u16)pPwrArray[i],
+ minCtlPower);
+ break;
+ default:
+ break;
+ }
} /* end ctl mode checking */
}
struct ath_txq *txq;
struct ath_node *an;
u8 paprd;
+ struct ieee80211_sta *sta;
};
#define ATH_TX_ERROR 0x01
int ath9k_tx_init(struct ath9k_htc_priv *priv);
int ath9k_htc_tx_start(struct ath9k_htc_priv *priv,
+ struct ieee80211_sta *sta,
struct sk_buff *skb, u8 slot, bool is_cab);
void ath9k_tx_cleanup(struct ath9k_htc_priv *priv);
bool ath9k_htc_txq_setup(struct ath9k_htc_priv *priv, int subtype);
goto next;
}
- ret = ath9k_htc_tx_start(priv, skb, tx_slot, true);
+ ret = ath9k_htc_tx_start(priv, NULL, skb, tx_slot, true);
if (ret != 0) {
ath9k_htc_tx_clear_slot(priv, tx_slot);
dev_kfree_skb_any(skb);
/* mac80211 Callbacks */
/**********************/
-static void ath9k_htc_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
+static void ath9k_htc_tx(struct ieee80211_hw *hw,
+ struct ieee80211_tx_control *control,
+ struct sk_buff *skb)
{
struct ieee80211_hdr *hdr;
struct ath9k_htc_priv *priv = hw->priv;
goto fail_tx;
}
- ret = ath9k_htc_tx_start(priv, skb, slot, false);
+ ret = ath9k_htc_tx_start(priv, control->sta, skb, slot, false);
if (ret != 0) {
ath_dbg(common, XMIT, "Tx failed\n");
goto clear_slot;
return ret;
}
+static void ath9k_htc_sta_rc_update(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta, u32 changed)
+{
+ struct ath9k_htc_priv *priv = hw->priv;
+ struct ath_common *common = ath9k_hw_common(priv->ah);
+ struct ath9k_htc_target_rate trate;
+
+ mutex_lock(&priv->mutex);
+ ath9k_htc_ps_wakeup(priv);
+
+ if (changed & IEEE80211_RC_SUPP_RATES_CHANGED) {
+ memset(&trate, 0, sizeof(struct ath9k_htc_target_rate));
+ ath9k_htc_setup_rate(priv, sta, &trate);
+ if (!ath9k_htc_send_rate_cmd(priv, &trate))
+ ath_dbg(common, CONFIG,
+ "Supported rates for sta: %pM updated, rate caps: 0x%X\n",
+ sta->addr, be32_to_cpu(trate.capflags));
+ else
+ ath_dbg(common, CONFIG,
+ "Unable to update supported rates for sta: %pM\n",
+ sta->addr);
+ }
+
+ ath9k_htc_ps_restore(priv);
+ mutex_unlock(&priv->mutex);
+}
+
static int ath9k_htc_conf_tx(struct ieee80211_hw *hw,
struct ieee80211_vif *vif, u16 queue,
const struct ieee80211_tx_queue_params *params)
.sta_add = ath9k_htc_sta_add,
.sta_remove = ath9k_htc_sta_remove,
.conf_tx = ath9k_htc_conf_tx,
+ .sta_rc_update = ath9k_htc_sta_rc_update,
.bss_info_changed = ath9k_htc_bss_info_changed,
.set_key = ath9k_htc_set_key,
.get_tsf = ath9k_htc_get_tsf,
}
int ath9k_htc_tx_start(struct ath9k_htc_priv *priv,
+ struct ieee80211_sta *sta,
struct sk_buff *skb,
u8 slot, bool is_cab)
{
struct ieee80211_hdr *hdr;
struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
- struct ieee80211_sta *sta = tx_info->control.sta;
struct ieee80211_vif *vif = tx_info->control.vif;
struct ath9k_htc_sta *ista;
struct ath9k_htc_vif *avp = NULL;
return r;
}
-static void ath9k_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
+static void ath9k_tx(struct ieee80211_hw *hw,
+ struct ieee80211_tx_control *control,
+ struct sk_buff *skb)
{
struct ath_softc *sc = hw->priv;
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
memset(&txctl, 0, sizeof(struct ath_tx_control));
txctl.txq = sc->tx.txq_map[skb_get_queue_mapping(skb)];
+ txctl.sta = control->sta;
ath_dbg(common, XMIT, "transmitting packet, skb: %p\n", skb);
8, /* MCS start */
{
[0] = { RC_L_SDT, WLAN_RC_PHY_OFDM, 6000,
- 5400, 0, 12, 0, 0, 0, 0 }, /* 6 Mb */
+ 5400, 0, 12 }, /* 6 Mb */
[1] = { RC_L_SDT, WLAN_RC_PHY_OFDM, 9000,
- 7800, 1, 18, 0, 1, 1, 1 }, /* 9 Mb */
+ 7800, 1, 18 }, /* 9 Mb */
[2] = { RC_L_SDT, WLAN_RC_PHY_OFDM, 12000,
- 10000, 2, 24, 2, 2, 2, 2 }, /* 12 Mb */
+ 10000, 2, 24 }, /* 12 Mb */
[3] = { RC_L_SDT, WLAN_RC_PHY_OFDM, 18000,
- 13900, 3, 36, 2, 3, 3, 3 }, /* 18 Mb */
+ 13900, 3, 36 }, /* 18 Mb */
[4] = { RC_L_SDT, WLAN_RC_PHY_OFDM, 24000,
- 17300, 4, 48, 4, 4, 4, 4 }, /* 24 Mb */
+ 17300, 4, 48 }, /* 24 Mb */
[5] = { RC_L_SDT, WLAN_RC_PHY_OFDM, 36000,
- 23000, 5, 72, 4, 5, 5, 5 }, /* 36 Mb */
+ 23000, 5, 72 }, /* 36 Mb */
[6] = { RC_L_SDT, WLAN_RC_PHY_OFDM, 48000,
- 27400, 6, 96, 4, 6, 6, 6 }, /* 48 Mb */
+ 27400, 6, 96 }, /* 48 Mb */
[7] = { RC_L_SDT, WLAN_RC_PHY_OFDM, 54000,
- 29300, 7, 108, 4, 7, 7, 7 }, /* 54 Mb */
+ 29300, 7, 108 }, /* 54 Mb */
[8] = { RC_HT_SDT_2040, WLAN_RC_PHY_HT_20_SS, 6500,
- 6400, 0, 0, 0, 38, 8, 38 }, /* 6.5 Mb */
+ 6400, 0, 0 }, /* 6.5 Mb */
[9] = { RC_HT_SDT_20, WLAN_RC_PHY_HT_20_SS, 13000,
- 12700, 1, 1, 2, 39, 9, 39 }, /* 13 Mb */
+ 12700, 1, 1 }, /* 13 Mb */
[10] = { RC_HT_SDT_20, WLAN_RC_PHY_HT_20_SS, 19500,
- 18800, 2, 2, 2, 40, 10, 40 }, /* 19.5 Mb */
+ 18800, 2, 2 }, /* 19.5 Mb */
[11] = { RC_HT_SD_20, WLAN_RC_PHY_HT_20_SS, 26000,
- 25000, 3, 3, 4, 41, 11, 41 }, /* 26 Mb */
+ 25000, 3, 3 }, /* 26 Mb */
[12] = { RC_HT_SD_20, WLAN_RC_PHY_HT_20_SS, 39000,
- 36700, 4, 4, 4, 42, 12, 42 }, /* 39 Mb */
+ 36700, 4, 4 }, /* 39 Mb */
[13] = { RC_HT_S_20, WLAN_RC_PHY_HT_20_SS, 52000,
- 48100, 5, 5, 4, 43, 13, 43 }, /* 52 Mb */
+ 48100, 5, 5 }, /* 52 Mb */
[14] = { RC_HT_S_20, WLAN_RC_PHY_HT_20_SS, 58500,
- 53500, 6, 6, 4, 44, 14, 44 }, /* 58.5 Mb */
+ 53500, 6, 6 }, /* 58.5 Mb */
[15] = { RC_HT_S_20, WLAN_RC_PHY_HT_20_SS, 65000,
- 59000, 7, 7, 4, 45, 16, 46 }, /* 65 Mb */
+ 59000, 7, 7 }, /* 65 Mb */
[16] = { RC_HT_S_20, WLAN_RC_PHY_HT_20_SS_HGI, 72200,
- 65400, 7, 7, 4, 45, 16, 46 }, /* 75 Mb */
+ 65400, 7, 7 }, /* 75 Mb */
[17] = { RC_INVALID, WLAN_RC_PHY_HT_20_DS, 13000,
- 12700, 8, 8, 0, 47, 17, 47 }, /* 13 Mb */
+ 12700, 8, 8 }, /* 13 Mb */
[18] = { RC_HT_T_20, WLAN_RC_PHY_HT_20_DS, 26000,
- 24800, 9, 9, 2, 48, 18, 48 }, /* 26 Mb */
+ 24800, 9, 9 }, /* 26 Mb */
[19] = { RC_HT_T_20, WLAN_RC_PHY_HT_20_DS, 39000,
- 36600, 10, 10, 2, 49, 19, 49 }, /* 39 Mb */
+ 36600, 10, 10 }, /* 39 Mb */
[20] = { RC_HT_DT_20, WLAN_RC_PHY_HT_20_DS, 52000,
- 48100, 11, 11, 4, 50, 20, 50 }, /* 52 Mb */
+ 48100, 11, 11 }, /* 52 Mb */
[21] = { RC_HT_DT_20, WLAN_RC_PHY_HT_20_DS, 78000,
- 69500, 12, 12, 4, 51, 21, 51 }, /* 78 Mb */
+ 69500, 12, 12 }, /* 78 Mb */
[22] = { RC_HT_DT_20, WLAN_RC_PHY_HT_20_DS, 104000,
- 89500, 13, 13, 4, 52, 22, 52 }, /* 104 Mb */
+ 89500, 13, 13 }, /* 104 Mb */
[23] = { RC_HT_DT_20, WLAN_RC_PHY_HT_20_DS, 117000,
- 98900, 14, 14, 4, 53, 23, 53 }, /* 117 Mb */
+ 98900, 14, 14 }, /* 117 Mb */
[24] = { RC_HT_DT_20, WLAN_RC_PHY_HT_20_DS, 130000,
- 108300, 15, 15, 4, 54, 25, 55 }, /* 130 Mb */
+ 108300, 15, 15 }, /* 130 Mb */
[25] = { RC_HT_DT_20, WLAN_RC_PHY_HT_20_DS_HGI, 144400,
- 120000, 15, 15, 4, 54, 25, 55 }, /* 144.4 Mb */
+ 120000, 15, 15 }, /* 144.4 Mb */
[26] = { RC_INVALID, WLAN_RC_PHY_HT_20_TS, 19500,
- 17400, 16, 16, 0, 56, 26, 56 }, /* 19.5 Mb */
+ 17400, 16, 16 }, /* 19.5 Mb */
[27] = { RC_INVALID, WLAN_RC_PHY_HT_20_TS, 39000,
- 35100, 17, 17, 2, 57, 27, 57 }, /* 39 Mb */
+ 35100, 17, 17 }, /* 39 Mb */
[28] = { RC_INVALID, WLAN_RC_PHY_HT_20_TS, 58500,
- 52600, 18, 18, 2, 58, 28, 58 }, /* 58.5 Mb */
+ 52600, 18, 18 }, /* 58.5 Mb */
[29] = { RC_INVALID, WLAN_RC_PHY_HT_20_TS, 78000,
- 70400, 19, 19, 4, 59, 29, 59 }, /* 78 Mb */
+ 70400, 19, 19 }, /* 78 Mb */
[30] = { RC_INVALID, WLAN_RC_PHY_HT_20_TS, 117000,
- 104900, 20, 20, 4, 60, 31, 61 }, /* 117 Mb */
+ 104900, 20, 20 }, /* 117 Mb */
[31] = { RC_INVALID, WLAN_RC_PHY_HT_20_TS_HGI, 130000,
- 115800, 20, 20, 4, 60, 31, 61 }, /* 130 Mb*/
+ 115800, 20, 20 }, /* 130 Mb*/
[32] = { RC_HT_T_20, WLAN_RC_PHY_HT_20_TS, 156000,
- 137200, 21, 21, 4, 62, 33, 63 }, /* 156 Mb */
+ 137200, 21, 21 }, /* 156 Mb */
[33] = { RC_HT_T_20, WLAN_RC_PHY_HT_20_TS_HGI, 173300,
- 151100, 21, 21, 4, 62, 33, 63 }, /* 173.3 Mb */
+ 151100, 21, 21 }, /* 173.3 Mb */
[34] = { RC_HT_T_20, WLAN_RC_PHY_HT_20_TS, 175500,
- 152800, 22, 22, 4, 64, 35, 65 }, /* 175.5 Mb */
+ 152800, 22, 22 }, /* 175.5 Mb */
[35] = { RC_HT_T_20, WLAN_RC_PHY_HT_20_TS_HGI, 195000,
- 168400, 22, 22, 4, 64, 35, 65 }, /* 195 Mb*/
+ 168400, 22, 22 }, /* 195 Mb*/
[36] = { RC_HT_T_20, WLAN_RC_PHY_HT_20_TS, 195000,
- 168400, 23, 23, 4, 66, 37, 67 }, /* 195 Mb */
+ 168400, 23, 23 }, /* 195 Mb */
[37] = { RC_HT_T_20, WLAN_RC_PHY_HT_20_TS_HGI, 216700,
- 185000, 23, 23, 4, 66, 37, 67 }, /* 216.7 Mb */
+ 185000, 23, 23 }, /* 216.7 Mb */
[38] = { RC_HT_SDT_40, WLAN_RC_PHY_HT_40_SS, 13500,
- 13200, 0, 0, 0, 38, 38, 38 }, /* 13.5 Mb*/
+ 13200, 0, 0 }, /* 13.5 Mb*/
[39] = { RC_HT_SDT_40, WLAN_RC_PHY_HT_40_SS, 27500,
- 25900, 1, 1, 2, 39, 39, 39 }, /* 27.0 Mb*/
+ 25900, 1, 1 }, /* 27.0 Mb*/
[40] = { RC_HT_SDT_40, WLAN_RC_PHY_HT_40_SS, 40500,
- 38600, 2, 2, 2, 40, 40, 40 }, /* 40.5 Mb*/
+ 38600, 2, 2 }, /* 40.5 Mb*/
[41] = { RC_HT_SD_40, WLAN_RC_PHY_HT_40_SS, 54000,
- 49800, 3, 3, 4, 41, 41, 41 }, /* 54 Mb */
+ 49800, 3, 3 }, /* 54 Mb */
[42] = { RC_HT_SD_40, WLAN_RC_PHY_HT_40_SS, 81500,
- 72200, 4, 4, 4, 42, 42, 42 }, /* 81 Mb */
+ 72200, 4, 4 }, /* 81 Mb */
[43] = { RC_HT_S_40, WLAN_RC_PHY_HT_40_SS, 108000,
- 92900, 5, 5, 4, 43, 43, 43 }, /* 108 Mb */
+ 92900, 5, 5 }, /* 108 Mb */
[44] = { RC_HT_S_40, WLAN_RC_PHY_HT_40_SS, 121500,
- 102700, 6, 6, 4, 44, 44, 44 }, /* 121.5 Mb*/
+ 102700, 6, 6 }, /* 121.5 Mb*/
[45] = { RC_HT_S_40, WLAN_RC_PHY_HT_40_SS, 135000,
- 112000, 7, 7, 4, 45, 46, 46 }, /* 135 Mb */
+ 112000, 7, 7 }, /* 135 Mb */
[46] = { RC_HT_S_40, WLAN_RC_PHY_HT_40_SS_HGI, 150000,
- 122000, 7, 7, 4, 45, 46, 46 }, /* 150 Mb */
+ 122000, 7, 7 }, /* 150 Mb */
[47] = { RC_INVALID, WLAN_RC_PHY_HT_40_DS, 27000,
- 25800, 8, 8, 0, 47, 47, 47 }, /* 27 Mb */
+ 25800, 8, 8 }, /* 27 Mb */
[48] = { RC_HT_T_40, WLAN_RC_PHY_HT_40_DS, 54000,
- 49800, 9, 9, 2, 48, 48, 48 }, /* 54 Mb */
+ 49800, 9, 9 }, /* 54 Mb */
[49] = { RC_HT_T_40, WLAN_RC_PHY_HT_40_DS, 81000,
- 71900, 10, 10, 2, 49, 49, 49 }, /* 81 Mb */
+ 71900, 10, 10 }, /* 81 Mb */
[50] = { RC_HT_DT_40, WLAN_RC_PHY_HT_40_DS, 108000,
- 92500, 11, 11, 4, 50, 50, 50 }, /* 108 Mb */
+ 92500, 11, 11 }, /* 108 Mb */
[51] = { RC_HT_DT_40, WLAN_RC_PHY_HT_40_DS, 162000,
- 130300, 12, 12, 4, 51, 51, 51 }, /* 162 Mb */
+ 130300, 12, 12 }, /* 162 Mb */
[52] = { RC_HT_DT_40, WLAN_RC_PHY_HT_40_DS, 216000,
- 162800, 13, 13, 4, 52, 52, 52 }, /* 216 Mb */
+ 162800, 13, 13 }, /* 216 Mb */
[53] = { RC_HT_DT_40, WLAN_RC_PHY_HT_40_DS, 243000,
- 178200, 14, 14, 4, 53, 53, 53 }, /* 243 Mb */
+ 178200, 14, 14 }, /* 243 Mb */
[54] = { RC_HT_DT_40, WLAN_RC_PHY_HT_40_DS, 270000,
- 192100, 15, 15, 4, 54, 55, 55 }, /* 270 Mb */
+ 192100, 15, 15 }, /* 270 Mb */
[55] = { RC_HT_DT_40, WLAN_RC_PHY_HT_40_DS_HGI, 300000,
- 207000, 15, 15, 4, 54, 55, 55 }, /* 300 Mb */
+ 207000, 15, 15 }, /* 300 Mb */
[56] = { RC_INVALID, WLAN_RC_PHY_HT_40_TS, 40500,
- 36100, 16, 16, 0, 56, 56, 56 }, /* 40.5 Mb */
+ 36100, 16, 16 }, /* 40.5 Mb */
[57] = { RC_INVALID, WLAN_RC_PHY_HT_40_TS, 81000,
- 72900, 17, 17, 2, 57, 57, 57 }, /* 81 Mb */
+ 72900, 17, 17 }, /* 81 Mb */
[58] = { RC_INVALID, WLAN_RC_PHY_HT_40_TS, 121500,
- 108300, 18, 18, 2, 58, 58, 58 }, /* 121.5 Mb */
+ 108300, 18, 18 }, /* 121.5 Mb */
[59] = { RC_INVALID, WLAN_RC_PHY_HT_40_TS, 162000,
- 142000, 19, 19, 4, 59, 59, 59 }, /* 162 Mb */
+ 142000, 19, 19 }, /* 162 Mb */
[60] = { RC_INVALID, WLAN_RC_PHY_HT_40_TS, 243000,
- 205100, 20, 20, 4, 60, 61, 61 }, /* 243 Mb */
+ 205100, 20, 20 }, /* 243 Mb */
[61] = { RC_INVALID, WLAN_RC_PHY_HT_40_TS_HGI, 270000,
- 224700, 20, 20, 4, 60, 61, 61 }, /* 270 Mb */
+ 224700, 20, 20 }, /* 270 Mb */
[62] = { RC_HT_T_40, WLAN_RC_PHY_HT_40_TS, 324000,
- 263100, 21, 21, 4, 62, 63, 63 }, /* 324 Mb */
+ 263100, 21, 21 }, /* 324 Mb */
[63] = { RC_HT_T_40, WLAN_RC_PHY_HT_40_TS_HGI, 360000,
- 288000, 21, 21, 4, 62, 63, 63 }, /* 360 Mb */
+ 288000, 21, 21 }, /* 360 Mb */
[64] = { RC_HT_T_40, WLAN_RC_PHY_HT_40_TS, 364500,
- 290700, 22, 22, 4, 64, 65, 65 }, /* 364.5 Mb */
+ 290700, 22, 22 }, /* 364.5 Mb */
[65] = { RC_HT_T_40, WLAN_RC_PHY_HT_40_TS_HGI, 405000,
- 317200, 22, 22, 4, 64, 65, 65 }, /* 405 Mb */
+ 317200, 22, 22 }, /* 405 Mb */
[66] = { RC_HT_T_40, WLAN_RC_PHY_HT_40_TS, 405000,
- 317200, 23, 23, 4, 66, 67, 67 }, /* 405 Mb */
+ 317200, 23, 23 }, /* 405 Mb */
[67] = { RC_HT_T_40, WLAN_RC_PHY_HT_40_TS_HGI, 450000,
- 346400, 23, 23, 4, 66, 67, 67 }, /* 450 Mb */
+ 346400, 23, 23 }, /* 450 Mb */
},
50, /* probe interval */
WLAN_RC_HT_FLAG, /* Phy rates allowed initially */
12, /* MCS start */
{
[0] = { RC_ALL, WLAN_RC_PHY_CCK, 1000,
- 900, 0, 2, 0, 0, 0, 0 }, /* 1 Mb */
+ 900, 0, 2 }, /* 1 Mb */
[1] = { RC_ALL, WLAN_RC_PHY_CCK, 2000,
- 1900, 1, 4, 1, 1, 1, 1 }, /* 2 Mb */
+ 1900, 1, 4 }, /* 2 Mb */
[2] = { RC_ALL, WLAN_RC_PHY_CCK, 5500,
- 4900, 2, 11, 2, 2, 2, 2 }, /* 5.5 Mb */
+ 4900, 2, 11 }, /* 5.5 Mb */
[3] = { RC_ALL, WLAN_RC_PHY_CCK, 11000,
- 8100, 3, 22, 3, 3, 3, 3 }, /* 11 Mb */
+ 8100, 3, 22 }, /* 11 Mb */
[4] = { RC_INVALID, WLAN_RC_PHY_OFDM, 6000,
- 5400, 4, 12, 4, 4, 4, 4 }, /* 6 Mb */
+ 5400, 4, 12 }, /* 6 Mb */
[5] = { RC_INVALID, WLAN_RC_PHY_OFDM, 9000,
- 7800, 5, 18, 4, 5, 5, 5 }, /* 9 Mb */
+ 7800, 5, 18 }, /* 9 Mb */
[6] = { RC_L_SDT, WLAN_RC_PHY_OFDM, 12000,
- 10100, 6, 24, 6, 6, 6, 6 }, /* 12 Mb */
+ 10100, 6, 24 }, /* 12 Mb */
[7] = { RC_L_SDT, WLAN_RC_PHY_OFDM, 18000,
- 14100, 7, 36, 6, 7, 7, 7 }, /* 18 Mb */
+ 14100, 7, 36 }, /* 18 Mb */
[8] = { RC_L_SDT, WLAN_RC_PHY_OFDM, 24000,
- 17700, 8, 48, 8, 8, 8, 8 }, /* 24 Mb */
+ 17700, 8, 48 }, /* 24 Mb */
[9] = { RC_L_SDT, WLAN_RC_PHY_OFDM, 36000,
- 23700, 9, 72, 8, 9, 9, 9 }, /* 36 Mb */
+ 23700, 9, 72 }, /* 36 Mb */
[10] = { RC_L_SDT, WLAN_RC_PHY_OFDM, 48000,
- 27400, 10, 96, 8, 10, 10, 10 }, /* 48 Mb */
+ 27400, 10, 96 }, /* 48 Mb */
[11] = { RC_L_SDT, WLAN_RC_PHY_OFDM, 54000,
- 30900, 11, 108, 8, 11, 11, 11 }, /* 54 Mb */
+ 30900, 11, 108 }, /* 54 Mb */
[12] = { RC_INVALID, WLAN_RC_PHY_HT_20_SS, 6500,
- 6400, 0, 0, 4, 42, 12, 42 }, /* 6.5 Mb */
+ 6400, 0, 0 }, /* 6.5 Mb */
[13] = { RC_HT_SDT_20, WLAN_RC_PHY_HT_20_SS, 13000,
- 12700, 1, 1, 6, 43, 13, 43 }, /* 13 Mb */
+ 12700, 1, 1 }, /* 13 Mb */
[14] = { RC_HT_SDT_20, WLAN_RC_PHY_HT_20_SS, 19500,
- 18800, 2, 2, 6, 44, 14, 44 }, /* 19.5 Mb*/
+ 18800, 2, 2 }, /* 19.5 Mb*/
[15] = { RC_HT_SD_20, WLAN_RC_PHY_HT_20_SS, 26000,
- 25000, 3, 3, 8, 45, 15, 45 }, /* 26 Mb */
+ 25000, 3, 3 }, /* 26 Mb */
[16] = { RC_HT_SD_20, WLAN_RC_PHY_HT_20_SS, 39000,
- 36700, 4, 4, 8, 46, 16, 46 }, /* 39 Mb */
+ 36700, 4, 4 }, /* 39 Mb */
[17] = { RC_HT_S_20, WLAN_RC_PHY_HT_20_SS, 52000,
- 48100, 5, 5, 8, 47, 17, 47 }, /* 52 Mb */
+ 48100, 5, 5 }, /* 52 Mb */
[18] = { RC_HT_S_20, WLAN_RC_PHY_HT_20_SS, 58500,
- 53500, 6, 6, 8, 48, 18, 48 }, /* 58.5 Mb */
+ 53500, 6, 6 }, /* 58.5 Mb */
[19] = { RC_HT_S_20, WLAN_RC_PHY_HT_20_SS, 65000,
- 59000, 7, 7, 8, 49, 20, 50 }, /* 65 Mb */
+ 59000, 7, 7 }, /* 65 Mb */
[20] = { RC_HT_S_20, WLAN_RC_PHY_HT_20_SS_HGI, 72200,
- 65400, 7, 7, 8, 49, 20, 50 }, /* 65 Mb*/
+ 65400, 7, 7 }, /* 65 Mb*/
[21] = { RC_INVALID, WLAN_RC_PHY_HT_20_DS, 13000,
- 12700, 8, 8, 4, 51, 21, 51 }, /* 13 Mb */
+ 12700, 8, 8 }, /* 13 Mb */
[22] = { RC_HT_T_20, WLAN_RC_PHY_HT_20_DS, 26000,
- 24800, 9, 9, 6, 52, 22, 52 }, /* 26 Mb */
+ 24800, 9, 9 }, /* 26 Mb */
[23] = { RC_HT_T_20, WLAN_RC_PHY_HT_20_DS, 39000,
- 36600, 10, 10, 6, 53, 23, 53 }, /* 39 Mb */
+ 36600, 10, 10 }, /* 39 Mb */
[24] = { RC_HT_DT_20, WLAN_RC_PHY_HT_20_DS, 52000,
- 48100, 11, 11, 8, 54, 24, 54 }, /* 52 Mb */
+ 48100, 11, 11 }, /* 52 Mb */
[25] = { RC_HT_DT_20, WLAN_RC_PHY_HT_20_DS, 78000,
- 69500, 12, 12, 8, 55, 25, 55 }, /* 78 Mb */
+ 69500, 12, 12 }, /* 78 Mb */
[26] = { RC_HT_DT_20, WLAN_RC_PHY_HT_20_DS, 104000,
- 89500, 13, 13, 8, 56, 26, 56 }, /* 104 Mb */
+ 89500, 13, 13 }, /* 104 Mb */
[27] = { RC_HT_DT_20, WLAN_RC_PHY_HT_20_DS, 117000,
- 98900, 14, 14, 8, 57, 27, 57 }, /* 117 Mb */
+ 98900, 14, 14 }, /* 117 Mb */
[28] = { RC_HT_DT_20, WLAN_RC_PHY_HT_20_DS, 130000,
- 108300, 15, 15, 8, 58, 29, 59 }, /* 130 Mb */
+ 108300, 15, 15 }, /* 130 Mb */
[29] = { RC_HT_DT_20, WLAN_RC_PHY_HT_20_DS_HGI, 144400,
- 120000, 15, 15, 8, 58, 29, 59 }, /* 144.4 Mb */
+ 120000, 15, 15 }, /* 144.4 Mb */
[30] = { RC_INVALID, WLAN_RC_PHY_HT_20_TS, 19500,
- 17400, 16, 16, 4, 60, 30, 60 }, /* 19.5 Mb */
+ 17400, 16, 16 }, /* 19.5 Mb */
[31] = { RC_INVALID, WLAN_RC_PHY_HT_20_TS, 39000,
- 35100, 17, 17, 6, 61, 31, 61 }, /* 39 Mb */
+ 35100, 17, 17 }, /* 39 Mb */
[32] = { RC_INVALID, WLAN_RC_PHY_HT_20_TS, 58500,
- 52600, 18, 18, 6, 62, 32, 62 }, /* 58.5 Mb */
+ 52600, 18, 18 }, /* 58.5 Mb */
[33] = { RC_INVALID, WLAN_RC_PHY_HT_20_TS, 78000,
- 70400, 19, 19, 8, 63, 33, 63 }, /* 78 Mb */
+ 70400, 19, 19 }, /* 78 Mb */
[34] = { RC_INVALID, WLAN_RC_PHY_HT_20_TS, 117000,
- 104900, 20, 20, 8, 64, 35, 65 }, /* 117 Mb */
+ 104900, 20, 20 }, /* 117 Mb */
[35] = { RC_INVALID, WLAN_RC_PHY_HT_20_TS_HGI, 130000,
- 115800, 20, 20, 8, 64, 35, 65 }, /* 130 Mb */
+ 115800, 20, 20 }, /* 130 Mb */
[36] = { RC_HT_T_20, WLAN_RC_PHY_HT_20_TS, 156000,
- 137200, 21, 21, 8, 66, 37, 67 }, /* 156 Mb */
+ 137200, 21, 21 }, /* 156 Mb */
[37] = { RC_HT_T_20, WLAN_RC_PHY_HT_20_TS_HGI, 173300,
- 151100, 21, 21, 8, 66, 37, 67 }, /* 173.3 Mb */
+ 151100, 21, 21 }, /* 173.3 Mb */
[38] = { RC_HT_T_20, WLAN_RC_PHY_HT_20_TS, 175500,
- 152800, 22, 22, 8, 68, 39, 69 }, /* 175.5 Mb */
+ 152800, 22, 22 }, /* 175.5 Mb */
[39] = { RC_HT_T_20, WLAN_RC_PHY_HT_20_TS_HGI, 195000,
- 168400, 22, 22, 8, 68, 39, 69 }, /* 195 Mb */
+ 168400, 22, 22 }, /* 195 Mb */
[40] = { RC_HT_T_20, WLAN_RC_PHY_HT_20_TS, 195000,
- 168400, 23, 23, 8, 70, 41, 71 }, /* 195 Mb */
+ 168400, 23, 23 }, /* 195 Mb */
[41] = { RC_HT_T_20, WLAN_RC_PHY_HT_20_TS_HGI, 216700,
- 185000, 23, 23, 8, 70, 41, 71 }, /* 216.7 Mb */
+ 185000, 23, 23 }, /* 216.7 Mb */
[42] = { RC_HT_SDT_40, WLAN_RC_PHY_HT_40_SS, 13500,
- 13200, 0, 0, 8, 42, 42, 42 }, /* 13.5 Mb */
+ 13200, 0, 0 }, /* 13.5 Mb */
[43] = { RC_HT_SDT_40, WLAN_RC_PHY_HT_40_SS, 27500,
- 25900, 1, 1, 8, 43, 43, 43 }, /* 27.0 Mb */
+ 25900, 1, 1 }, /* 27.0 Mb */
[44] = { RC_HT_SDT_40, WLAN_RC_PHY_HT_40_SS, 40500,
- 38600, 2, 2, 8, 44, 44, 44 }, /* 40.5 Mb */
+ 38600, 2, 2 }, /* 40.5 Mb */
[45] = { RC_HT_SD_40, WLAN_RC_PHY_HT_40_SS, 54000,
- 49800, 3, 3, 8, 45, 45, 45 }, /* 54 Mb */
+ 49800, 3, 3 }, /* 54 Mb */
[46] = { RC_HT_SD_40, WLAN_RC_PHY_HT_40_SS, 81500,
- 72200, 4, 4, 8, 46, 46, 46 }, /* 81 Mb */
+ 72200, 4, 4 }, /* 81 Mb */
[47] = { RC_HT_S_40 , WLAN_RC_PHY_HT_40_SS, 108000,
- 92900, 5, 5, 8, 47, 47, 47 }, /* 108 Mb */
+ 92900, 5, 5 }, /* 108 Mb */
[48] = { RC_HT_S_40, WLAN_RC_PHY_HT_40_SS, 121500,
- 102700, 6, 6, 8, 48, 48, 48 }, /* 121.5 Mb */
+ 102700, 6, 6 }, /* 121.5 Mb */
[49] = { RC_HT_S_40, WLAN_RC_PHY_HT_40_SS, 135000,
- 112000, 7, 7, 8, 49, 50, 50 }, /* 135 Mb */
+ 112000, 7, 7 }, /* 135 Mb */
[50] = { RC_HT_S_40, WLAN_RC_PHY_HT_40_SS_HGI, 150000,
- 122000, 7, 7, 8, 49, 50, 50 }, /* 150 Mb */
+ 122000, 7, 7 }, /* 150 Mb */
[51] = { RC_INVALID, WLAN_RC_PHY_HT_40_DS, 27000,
- 25800, 8, 8, 8, 51, 51, 51 }, /* 27 Mb */
+ 25800, 8, 8 }, /* 27 Mb */
[52] = { RC_HT_T_40, WLAN_RC_PHY_HT_40_DS, 54000,
- 49800, 9, 9, 8, 52, 52, 52 }, /* 54 Mb */
+ 49800, 9, 9 }, /* 54 Mb */
[53] = { RC_HT_T_40, WLAN_RC_PHY_HT_40_DS, 81000,
- 71900, 10, 10, 8, 53, 53, 53 }, /* 81 Mb */
+ 71900, 10, 10 }, /* 81 Mb */
[54] = { RC_HT_DT_40, WLAN_RC_PHY_HT_40_DS, 108000,
- 92500, 11, 11, 8, 54, 54, 54 }, /* 108 Mb */
+ 92500, 11, 11 }, /* 108 Mb */
[55] = { RC_HT_DT_40, WLAN_RC_PHY_HT_40_DS, 162000,
- 130300, 12, 12, 8, 55, 55, 55 }, /* 162 Mb */
+ 130300, 12, 12 }, /* 162 Mb */
[56] = { RC_HT_DT_40, WLAN_RC_PHY_HT_40_DS, 216000,
- 162800, 13, 13, 8, 56, 56, 56 }, /* 216 Mb */
+ 162800, 13, 13 }, /* 216 Mb */
[57] = { RC_HT_DT_40, WLAN_RC_PHY_HT_40_DS, 243000,
- 178200, 14, 14, 8, 57, 57, 57 }, /* 243 Mb */
+ 178200, 14, 14 }, /* 243 Mb */
[58] = { RC_HT_DT_40, WLAN_RC_PHY_HT_40_DS, 270000,
- 192100, 15, 15, 8, 58, 59, 59 }, /* 270 Mb */
+ 192100, 15, 15 }, /* 270 Mb */
[59] = { RC_HT_DT_40, WLAN_RC_PHY_HT_40_DS_HGI, 300000,
- 207000, 15, 15, 8, 58, 59, 59 }, /* 300 Mb */
+ 207000, 15, 15 }, /* 300 Mb */
[60] = { RC_INVALID, WLAN_RC_PHY_HT_40_TS, 40500,
- 36100, 16, 16, 8, 60, 60, 60 }, /* 40.5 Mb */
+ 36100, 16, 16 }, /* 40.5 Mb */
[61] = { RC_INVALID, WLAN_RC_PHY_HT_40_TS, 81000,
- 72900, 17, 17, 8, 61, 61, 61 }, /* 81 Mb */
+ 72900, 17, 17 }, /* 81 Mb */
[62] = { RC_INVALID, WLAN_RC_PHY_HT_40_TS, 121500,
- 108300, 18, 18, 8, 62, 62, 62 }, /* 121.5 Mb */
+ 108300, 18, 18 }, /* 121.5 Mb */
[63] = { RC_INVALID, WLAN_RC_PHY_HT_40_TS, 162000,
- 142000, 19, 19, 8, 63, 63, 63 }, /* 162 Mb */
+ 142000, 19, 19 }, /* 162 Mb */
[64] = { RC_INVALID, WLAN_RC_PHY_HT_40_TS, 243000,
- 205100, 20, 20, 8, 64, 65, 65 }, /* 243 Mb */
+ 205100, 20, 20 }, /* 243 Mb */
[65] = { RC_INVALID, WLAN_RC_PHY_HT_40_TS_HGI, 270000,
- 224700, 20, 20, 8, 64, 65, 65 }, /* 270 Mb */
+ 224700, 20, 20 }, /* 270 Mb */
[66] = { RC_HT_T_40, WLAN_RC_PHY_HT_40_TS, 324000,
- 263100, 21, 21, 8, 66, 67, 67 }, /* 324 Mb */
+ 263100, 21, 21 }, /* 324 Mb */
[67] = { RC_HT_T_40, WLAN_RC_PHY_HT_40_TS_HGI, 360000,
- 288000, 21, 21, 8, 66, 67, 67 }, /* 360 Mb */
+ 288000, 21, 21 }, /* 360 Mb */
[68] = { RC_HT_T_40, WLAN_RC_PHY_HT_40_TS, 364500,
- 290700, 22, 22, 8, 68, 69, 69 }, /* 364.5 Mb */
+ 290700, 22, 22 }, /* 364.5 Mb */
[69] = { RC_HT_T_40, WLAN_RC_PHY_HT_40_TS_HGI, 405000,
- 317200, 22, 22, 8, 68, 69, 69 }, /* 405 Mb */
+ 317200, 22, 22 }, /* 405 Mb */
[70] = { RC_HT_T_40, WLAN_RC_PHY_HT_40_TS, 405000,
- 317200, 23, 23, 8, 70, 71, 71 }, /* 405 Mb */
+ 317200, 23, 23 }, /* 405 Mb */
[71] = { RC_HT_T_40, WLAN_RC_PHY_HT_40_TS_HGI, 450000,
- 346400, 23, 23, 8, 70, 71, 71 }, /* 450 Mb */
+ 346400, 23, 23 }, /* 450 Mb */
},
50, /* probe interval */
WLAN_RC_HT_FLAG, /* Phy rates allowed initially */
0,
{
{ RC_L_SDT, WLAN_RC_PHY_OFDM, 6000, /* 6 Mb */
- 5400, 0, 12, 0},
+ 5400, 0, 12},
{ RC_L_SDT, WLAN_RC_PHY_OFDM, 9000, /* 9 Mb */
- 7800, 1, 18, 0},
+ 7800, 1, 18},
{ RC_L_SDT, WLAN_RC_PHY_OFDM, 12000, /* 12 Mb */
- 10000, 2, 24, 2},
+ 10000, 2, 24},
{ RC_L_SDT, WLAN_RC_PHY_OFDM, 18000, /* 18 Mb */
- 13900, 3, 36, 2},
+ 13900, 3, 36},
{ RC_L_SDT, WLAN_RC_PHY_OFDM, 24000, /* 24 Mb */
- 17300, 4, 48, 4},
+ 17300, 4, 48},
{ RC_L_SDT, WLAN_RC_PHY_OFDM, 36000, /* 36 Mb */
- 23000, 5, 72, 4},
+ 23000, 5, 72},
{ RC_L_SDT, WLAN_RC_PHY_OFDM, 48000, /* 48 Mb */
- 27400, 6, 96, 4},
+ 27400, 6, 96},
{ RC_L_SDT, WLAN_RC_PHY_OFDM, 54000, /* 54 Mb */
- 29300, 7, 108, 4},
+ 29300, 7, 108},
},
50, /* probe interval */
0, /* Phy rates allowed initially */
0,
{
{ RC_L_SDT, WLAN_RC_PHY_CCK, 1000, /* 1 Mb */
- 900, 0, 2, 0},
+ 900, 0, 2},
{ RC_L_SDT, WLAN_RC_PHY_CCK, 2000, /* 2 Mb */
- 1900, 1, 4, 1},
+ 1900, 1, 4},
{ RC_L_SDT, WLAN_RC_PHY_CCK, 5500, /* 5.5 Mb */
- 4900, 2, 11, 2},
+ 4900, 2, 11},
{ RC_L_SDT, WLAN_RC_PHY_CCK, 11000, /* 11 Mb */
- 8100, 3, 22, 3},
+ 8100, 3, 22},
{ RC_INVALID, WLAN_RC_PHY_OFDM, 6000, /* 6 Mb */
- 5400, 4, 12, 4},
+ 5400, 4, 12},
{ RC_INVALID, WLAN_RC_PHY_OFDM, 9000, /* 9 Mb */
- 7800, 5, 18, 4},
+ 7800, 5, 18},
{ RC_L_SDT, WLAN_RC_PHY_OFDM, 12000, /* 12 Mb */
- 10000, 6, 24, 6},
+ 10000, 6, 24},
{ RC_L_SDT, WLAN_RC_PHY_OFDM, 18000, /* 18 Mb */
- 13900, 7, 36, 6},
+ 13900, 7, 36},
{ RC_L_SDT, WLAN_RC_PHY_OFDM, 24000, /* 24 Mb */
- 17300, 8, 48, 8},
+ 17300, 8, 48},
{ RC_L_SDT, WLAN_RC_PHY_OFDM, 36000, /* 36 Mb */
- 23000, 9, 72, 8},
+ 23000, 9, 72},
{ RC_L_SDT, WLAN_RC_PHY_OFDM, 48000, /* 48 Mb */
- 27400, 10, 96, 8},
+ 27400, 10, 96},
{ RC_L_SDT, WLAN_RC_PHY_OFDM, 54000, /* 54 Mb */
- 29300, 11, 108, 8},
+ 29300, 11, 108},
},
50, /* probe interval */
0, /* Phy rates allowed initially */
};
-static int ath_rc_get_rateindex(const struct ath_rate_table *rate_table,
+static int ath_rc_get_rateindex(struct ath_rate_priv *ath_rc_priv,
struct ieee80211_tx_rate *rate)
{
- int rix = 0, i = 0;
- static const int mcs_rix_off[] = { 7, 15, 20, 21, 22, 23 };
+ const struct ath_rate_table *rate_table = ath_rc_priv->rate_table;
+ int rix, i, idx = 0;
if (!(rate->flags & IEEE80211_TX_RC_MCS))
return rate->idx;
- while (i < ARRAY_SIZE(mcs_rix_off) && rate->idx > mcs_rix_off[i]) {
- rix++; i++;
+ for (i = 0; i < ath_rc_priv->max_valid_rate; i++) {
+ idx = ath_rc_priv->valid_rate_index[i];
+
+ if (WLAN_RC_PHY_HT(rate_table->info[idx].phy) &&
+ rate_table->info[idx].ratecode == rate->idx)
+ break;
}
- rix += rate->idx + rate_table->mcs_start;
+ rix = idx;
- if ((rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH) &&
- (rate->flags & IEEE80211_TX_RC_SHORT_GI))
- rix = rate_table->info[rix].ht_index;
- else if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
- rix = rate_table->info[rix].sgi_index;
- else if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
- rix = rate_table->info[rix].cw40index;
+ if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
+ rix++;
return rix;
}
-static void ath_rc_sort_validrates(const struct ath_rate_table *rate_table,
- struct ath_rate_priv *ath_rc_priv)
+static void ath_rc_sort_validrates(struct ath_rate_priv *ath_rc_priv)
{
+ const struct ath_rate_table *rate_table = ath_rc_priv->rate_table;
u8 i, j, idx, idx_next;
for (i = ath_rc_priv->max_valid_rate - 1; i > 0; i--) {
}
}
-static void ath_rc_init_valid_rate_idx(struct ath_rate_priv *ath_rc_priv)
-{
- u8 i;
-
- for (i = 0; i < ath_rc_priv->rate_table_size; i++)
- ath_rc_priv->valid_rate_index[i] = 0;
-}
-
-static inline void ath_rc_set_valid_rate_idx(struct ath_rate_priv *ath_rc_priv,
- u8 index, int valid_tx_rate)
-{
- BUG_ON(index > ath_rc_priv->rate_table_size);
- ath_rc_priv->valid_rate_index[index] = !!valid_tx_rate;
-}
-
static inline
int ath_rc_get_nextvalid_txrate(const struct ath_rate_table *rate_table,
struct ath_rate_priv *ath_rc_priv,
}
static inline int
-ath_rc_get_lower_rix(const struct ath_rate_table *rate_table,
- struct ath_rate_priv *ath_rc_priv,
+ath_rc_get_lower_rix(struct ath_rate_priv *ath_rc_priv,
u8 cur_valid_txrate, u8 *next_idx)
{
int8_t i;
return 0;
}
-static u8 ath_rc_init_validrates(struct ath_rate_priv *ath_rc_priv,
- const struct ath_rate_table *rate_table,
- u32 capflag)
+static u8 ath_rc_init_validrates(struct ath_rate_priv *ath_rc_priv)
{
+ const struct ath_rate_table *rate_table = ath_rc_priv->rate_table;
u8 i, hi = 0;
for (i = 0; i < rate_table->rate_cnt; i++) {
u32 phy = rate_table->info[i].phy;
u8 valid_rate_count = 0;
- if (!ath_rc_valid_phyrate(phy, capflag, 0))
+ if (!ath_rc_valid_phyrate(phy, ath_rc_priv->ht_cap, 0))
continue;
valid_rate_count = ath_rc_priv->valid_phy_ratecnt[phy];
ath_rc_priv->valid_phy_rateidx[phy][valid_rate_count] = i;
ath_rc_priv->valid_phy_ratecnt[phy] += 1;
- ath_rc_set_valid_rate_idx(ath_rc_priv, i, 1);
+ ath_rc_priv->valid_rate_index[i] = true;
hi = i;
}
}
return hi;
}
-static u8 ath_rc_setvalid_rates(struct ath_rate_priv *ath_rc_priv,
- const struct ath_rate_table *rate_table,
- struct ath_rateset *rateset,
- u32 capflag)
+static inline bool ath_rc_check_legacy(u8 rate, u8 dot11rate, u16 rate_flags,
+ u32 phy, u32 capflag)
{
- u8 i, j, hi = 0;
+ if (rate != dot11rate || WLAN_RC_PHY_HT(phy))
+ return false;
- /* Use intersection of working rates and valid rates */
- for (i = 0; i < rateset->rs_nrates; i++) {
- for (j = 0; j < rate_table->rate_cnt; j++) {
- u32 phy = rate_table->info[j].phy;
- u16 rate_flags = rate_table->info[j].rate_flags;
- u8 rate = rateset->rs_rates[i];
- u8 dot11rate = rate_table->info[j].dot11rate;
-
- /* We allow a rate only if its valid and the
- * capflag matches one of the validity
- * (VALID/VALID_20/VALID_40) flags */
-
- if ((rate == dot11rate) &&
- (rate_flags & WLAN_RC_CAP_MODE(capflag)) ==
- WLAN_RC_CAP_MODE(capflag) &&
- (rate_flags & WLAN_RC_CAP_STREAM(capflag)) &&
- !WLAN_RC_PHY_HT(phy)) {
- u8 valid_rate_count = 0;
-
- if (!ath_rc_valid_phyrate(phy, capflag, 0))
- continue;
-
- valid_rate_count =
- ath_rc_priv->valid_phy_ratecnt[phy];
-
- ath_rc_priv->valid_phy_rateidx[phy]
- [valid_rate_count] = j;
- ath_rc_priv->valid_phy_ratecnt[phy] += 1;
- ath_rc_set_valid_rate_idx(ath_rc_priv, j, 1);
- hi = max(hi, j);
- }
- }
- }
+ if ((rate_flags & WLAN_RC_CAP_MODE(capflag)) != WLAN_RC_CAP_MODE(capflag))
+ return false;
- return hi;
+ if (!(rate_flags & WLAN_RC_CAP_STREAM(capflag)))
+ return false;
+
+ return true;
}
-static u8 ath_rc_setvalid_htrates(struct ath_rate_priv *ath_rc_priv,
- const struct ath_rate_table *rate_table,
- struct ath_rateset *rateset, u32 capflag)
+static inline bool ath_rc_check_ht(u8 rate, u8 dot11rate, u16 rate_flags,
+ u32 phy, u32 capflag)
{
- u8 i, j, hi = 0;
+ if (rate != dot11rate || !WLAN_RC_PHY_HT(phy))
+ return false;
+
+ if (!WLAN_RC_PHY_HT_VALID(rate_flags, capflag))
+ return false;
+
+ if (!(rate_flags & WLAN_RC_CAP_STREAM(capflag)))
+ return false;
+
+ return true;
+}
+
+static u8 ath_rc_setvalid_rates(struct ath_rate_priv *ath_rc_priv, bool legacy)
+{
+ const struct ath_rate_table *rate_table = ath_rc_priv->rate_table;
+ struct ath_rateset *rateset;
+ u32 phy, capflag = ath_rc_priv->ht_cap;
+ u16 rate_flags;
+ u8 i, j, hi = 0, rate, dot11rate, valid_rate_count;
+
+ if (legacy)
+ rateset = &ath_rc_priv->neg_rates;
+ else
+ rateset = &ath_rc_priv->neg_ht_rates;
- /* Use intersection of working rates and valid rates */
for (i = 0; i < rateset->rs_nrates; i++) {
for (j = 0; j < rate_table->rate_cnt; j++) {
- u32 phy = rate_table->info[j].phy;
- u16 rate_flags = rate_table->info[j].rate_flags;
- u8 rate = rateset->rs_rates[i];
- u8 dot11rate = rate_table->info[j].dot11rate;
-
- if ((rate != dot11rate) || !WLAN_RC_PHY_HT(phy) ||
- !(rate_flags & WLAN_RC_CAP_STREAM(capflag)) ||
- !WLAN_RC_PHY_HT_VALID(rate_flags, capflag))
+ phy = rate_table->info[j].phy;
+ rate_flags = rate_table->info[j].rate_flags;
+ rate = rateset->rs_rates[i];
+ dot11rate = rate_table->info[j].dot11rate;
+
+ if (legacy &&
+ !ath_rc_check_legacy(rate, dot11rate,
+ rate_flags, phy, capflag))
+ continue;
+
+ if (!legacy &&
+ !ath_rc_check_ht(rate, dot11rate,
+ rate_flags, phy, capflag))
continue;
if (!ath_rc_valid_phyrate(phy, capflag, 0))
continue;
- ath_rc_priv->valid_phy_rateidx[phy]
- [ath_rc_priv->valid_phy_ratecnt[phy]] = j;
+ valid_rate_count = ath_rc_priv->valid_phy_ratecnt[phy];
+ ath_rc_priv->valid_phy_rateidx[phy][valid_rate_count] = j;
ath_rc_priv->valid_phy_ratecnt[phy] += 1;
- ath_rc_set_valid_rate_idx(ath_rc_priv, j, 1);
+ ath_rc_priv->valid_rate_index[j] = true;
hi = max(hi, j);
}
}
return hi;
}
-/* Finds the highest rate index we can use */
-static u8 ath_rc_get_highest_rix(struct ath_softc *sc,
- struct ath_rate_priv *ath_rc_priv,
- const struct ath_rate_table *rate_table,
- int *is_probing,
- bool legacy)
+static u8 ath_rc_get_highest_rix(struct ath_rate_priv *ath_rc_priv,
+ int *is_probing)
{
+ const struct ath_rate_table *rate_table = ath_rc_priv->rate_table;
u32 best_thruput, this_thruput, now_msec;
u8 rate, next_rate, best_rate, maxindex, minindex;
int8_t index = 0;
u8 per_thres;
rate = ath_rc_priv->valid_rate_index[index];
- if (legacy && !(rate_table->info[rate].rate_flags & RC_LEGACY))
- continue;
if (rate > ath_rc_priv->rate_max_phy)
continue;
rate->count = tries;
rate->idx = rate_table->info[rix].ratecode;
- if (txrc->short_preamble)
- rate->flags |= IEEE80211_TX_RC_USE_SHORT_PREAMBLE;
if (txrc->rts || rtsctsenable)
rate->flags |= IEEE80211_TX_RC_USE_RTS_CTS;
const struct ath_rate_table *rate_table,
struct ieee80211_tx_info *tx_info)
{
- struct ieee80211_tx_rate *rates = tx_info->control.rates;
- int i = 0, rix = 0, cix, enable_g_protection = 0;
+ struct ieee80211_bss_conf *bss_conf;
- /* get the cix for the lowest valid rix */
- for (i = 3; i >= 0; i--) {
- if (rates[i].count && (rates[i].idx >= 0)) {
- rix = ath_rc_get_rateindex(rate_table, &rates[i]);
- break;
- }
- }
- cix = rate_table->info[rix].ctrl_rate;
+ if (!tx_info->control.vif)
+ return;
+ /*
+ * For legacy frames, mac80211 takes care of CTS protection.
+ */
+ if (!(tx_info->control.rates[0].flags & IEEE80211_TX_RC_MCS))
+ return;
- /* All protection frames are transmited at 2Mb/s for 802.11g,
- * otherwise we transmit them at 1Mb/s */
- if (sc->hw->conf.channel->band == IEEE80211_BAND_2GHZ &&
- !conf_is_ht(&sc->hw->conf))
- enable_g_protection = 1;
+ bss_conf = &tx_info->control.vif->bss_conf;
+
+ if (!bss_conf->basic_rates)
+ return;
/*
- * If 802.11g protection is enabled, determine whether to use RTS/CTS or
- * just CTS. Note that this is only done for OFDM/HT unicast frames.
+ * For now, use the lowest allowed basic rate for HT frames.
*/
- if ((tx_info->control.vif &&
- tx_info->control.vif->bss_conf.use_cts_prot) &&
- (rate_table->info[rix].phy == WLAN_RC_PHY_OFDM ||
- WLAN_RC_PHY_HT(rate_table->info[rix].phy))) {
- rates[0].flags |= IEEE80211_TX_RC_USE_CTS_PROTECT;
- cix = rate_table->info[enable_g_protection].ctrl_rate;
- }
-
- tx_info->control.rts_cts_rate_idx = cix;
+ tx_info->control.rts_cts_rate_idx = __ffs(bss_conf->basic_rates);
}
static void ath_get_rate(void *priv, struct ieee80211_sta *sta, void *priv_sta,
try_per_rate = 4;
rate_table = ath_rc_priv->rate_table;
- rix = ath_rc_get_highest_rix(sc, ath_rc_priv, rate_table,
- &is_probe, false);
+ rix = ath_rc_get_highest_rix(ath_rc_priv, &is_probe);
- /*
- * If we're in HT mode and both us and our peer supports LDPC.
- * We don't need to check our own device's capabilities as our own
- * ht capabilities would have already been intersected with our peer's.
- */
if (conf_is_ht(&sc->hw->conf) &&
(sta->ht_cap.cap & IEEE80211_HT_CAP_LDPC_CODING))
tx_info->flags |= IEEE80211_TX_CTL_LDPC;
tx_info->flags |= (1 << IEEE80211_TX_CTL_STBC_SHIFT);
if (is_probe) {
- /* set one try for probe rates. For the
- * probes don't enable rts */
+ /*
+ * Set one try for probe rates. For the
+ * probes don't enable RTS.
+ */
ath_rc_rate_set_series(rate_table, &rates[i++], txrc,
1, rix, 0);
-
- /* Get the next tried/allowed rate. No RTS for the next series
- * after the probe rate
+ /*
+ * Get the next tried/allowed rate.
+ * No RTS for the next series after the probe rate.
*/
- ath_rc_get_lower_rix(rate_table, ath_rc_priv, rix, &rix);
+ ath_rc_get_lower_rix(ath_rc_priv, rix, &rix);
ath_rc_rate_set_series(rate_table, &rates[i++], txrc,
try_per_rate, rix, 0);
tx_info->flags |= IEEE80211_TX_CTL_RATE_CTRL_PROBE;
} else {
- /* Set the chosen rate. No RTS for first series entry. */
+ /*
+ * Set the chosen rate. No RTS for first series entry.
+ */
ath_rc_rate_set_series(rate_table, &rates[i++], txrc,
try_per_rate, rix, 0);
}
- /* Fill in the other rates for multirate retry */
- for ( ; i < 3; i++) {
+ for ( ; i < 4; i++) {
+ /*
+ * Use twice the number of tries for the last MRR segment.
+ */
+ if (i + 1 == 4)
+ try_per_rate = 8;
+
+ ath_rc_get_lower_rix(ath_rc_priv, rix, &rix);
- ath_rc_get_lower_rix(rate_table, ath_rc_priv, rix, &rix);
- /* All other rates in the series have RTS enabled */
+ /*
+ * All other rates in the series have RTS enabled.
+ */
ath_rc_rate_set_series(rate_table, &rates[i], txrc,
try_per_rate, rix, 1);
}
- /* Use twice the number of tries for the last MRR segment. */
- try_per_rate = 8;
-
- /*
- * If the last rate in the rate series is MCS and has
- * more than 80% of per thresh, then use a legacy rate
- * as last retry to ensure that the frame is tried in both
- * MCS and legacy rate.
- */
- ath_rc_get_lower_rix(rate_table, ath_rc_priv, rix, &rix);
- if (WLAN_RC_PHY_HT(rate_table->info[rix].phy) &&
- (ath_rc_priv->per[rix] > 45))
- rix = ath_rc_get_highest_rix(sc, ath_rc_priv, rate_table,
- &is_probe, true);
-
- /* All other rates in the series have RTS enabled */
- ath_rc_rate_set_series(rate_table, &rates[i], txrc,
- try_per_rate, rix, 1);
/*
* NB:Change rate series to enable aggregation when operating
* at lower MCS rates. When first rate in series is MCS2
rates[0].count = ATH_TXMAXTRY;
}
- /* Setup RTS/CTS */
ath_rc_rate_set_rtscts(sc, rate_table, tx_info);
}
stats->per = per;
}
-/* Update PER, RSSI and whatever else that the code thinks it is doing.
- If you can make sense of all this, you really need to go out more. */
-
static void ath_rc_update_ht(struct ath_softc *sc,
struct ath_rate_priv *ath_rc_priv,
struct ieee80211_tx_info *tx_info,
if (ath_rc_priv->per[tx_rate] >= 55 && tx_rate > 0 &&
rate_table->info[tx_rate].ratekbps <=
rate_table->info[ath_rc_priv->rate_max_phy].ratekbps) {
- ath_rc_get_lower_rix(rate_table, ath_rc_priv,
- (u8)tx_rate, &ath_rc_priv->rate_max_phy);
+ ath_rc_get_lower_rix(ath_rc_priv, (u8)tx_rate,
+ &ath_rc_priv->rate_max_phy);
/* Don't probe for a little while. */
ath_rc_priv->probe_time = now_msec;
}
+static void ath_debug_stat_rc(struct ath_rate_priv *rc, int final_rate)
+{
+ struct ath_rc_stats *stats;
+
+ stats = &rc->rcstats[final_rate];
+ stats->success++;
+}
static void ath_rc_tx_status(struct ath_softc *sc,
struct ath_rate_priv *ath_rc_priv,
- struct ieee80211_tx_info *tx_info,
- int final_ts_idx, int xretries, int long_retry)
+ struct sk_buff *skb)
{
- const struct ath_rate_table *rate_table;
+ struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
struct ieee80211_tx_rate *rates = tx_info->status.rates;
+ struct ieee80211_tx_rate *rate;
+ int final_ts_idx = 0, xretries = 0, long_retry = 0;
u8 flags;
u32 i = 0, rix;
- rate_table = ath_rc_priv->rate_table;
+ for (i = 0; i < sc->hw->max_rates; i++) {
+ rate = &tx_info->status.rates[i];
+ if (rate->idx < 0 || !rate->count)
+ break;
+
+ final_ts_idx = i;
+ long_retry = rate->count - 1;
+ }
+
+ if (!(tx_info->flags & IEEE80211_TX_STAT_ACK))
+ xretries = 1;
/*
* If the first rate is not the final index, there
* are intermediate rate failures to be processed.
*/
if (final_ts_idx != 0) {
- /* Process intermediate rates that failed.*/
for (i = 0; i < final_ts_idx ; i++) {
if (rates[i].count != 0 && (rates[i].idx >= 0)) {
flags = rates[i].flags;
!(ath_rc_priv->ht_cap & WLAN_RC_40_FLAG))
return;
- rix = ath_rc_get_rateindex(rate_table, &rates[i]);
+ rix = ath_rc_get_rateindex(ath_rc_priv, &rates[i]);
ath_rc_update_ht(sc, ath_rc_priv, tx_info,
- rix, xretries ? 1 : 2,
- rates[i].count);
+ rix, xretries ? 1 : 2,
+ rates[i].count);
}
}
- } else {
- /*
- * Handle the special case of MIMO PS burst, where the second
- * aggregate is sent out with only one rate and one try.
- * Treating it as an excessive retry penalizes the rate
- * inordinately.
- */
- if (rates[0].count == 1 && xretries == 1)
- xretries = 2;
}
- flags = rates[i].flags;
+ flags = rates[final_ts_idx].flags;
/* If HT40 and we have switched mode from 40 to 20 => don't update */
if ((flags & IEEE80211_TX_RC_40_MHZ_WIDTH) &&
!(ath_rc_priv->ht_cap & WLAN_RC_40_FLAG))
return;
- rix = ath_rc_get_rateindex(rate_table, &rates[i]);
+ rix = ath_rc_get_rateindex(ath_rc_priv, &rates[final_ts_idx]);
ath_rc_update_ht(sc, ath_rc_priv, tx_info, rix, xretries, long_retry);
+ ath_debug_stat_rc(ath_rc_priv, rix);
}
static const
enum ieee80211_band band,
bool is_ht)
{
- struct ath_common *common = ath9k_hw_common(sc->sc_ah);
-
switch(band) {
case IEEE80211_BAND_2GHZ:
if (is_ht)
return &ar5416_11na_ratetable;
return &ar5416_11a_ratetable;
default:
- ath_dbg(common, CONFIG, "Invalid band\n");
return NULL;
}
}
static void ath_rc_init(struct ath_softc *sc,
- struct ath_rate_priv *ath_rc_priv,
- struct ieee80211_supported_band *sband,
- struct ieee80211_sta *sta,
- const struct ath_rate_table *rate_table)
+ struct ath_rate_priv *ath_rc_priv)
{
+ const struct ath_rate_table *rate_table = ath_rc_priv->rate_table;
struct ath_rateset *rateset = &ath_rc_priv->neg_rates;
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
- struct ath_rateset *ht_mcs = &ath_rc_priv->neg_ht_rates;
u8 i, j, k, hi = 0, hthi = 0;
- /* Initial rate table size. Will change depending
- * on the working rate set */
ath_rc_priv->rate_table_size = RATE_TABLE_SIZE;
- /* Initialize thresholds according to the global rate table */
for (i = 0 ; i < ath_rc_priv->rate_table_size; i++) {
ath_rc_priv->per[i] = 0;
+ ath_rc_priv->valid_rate_index[i] = 0;
}
- /* Determine the valid rates */
- ath_rc_init_valid_rate_idx(ath_rc_priv);
-
for (i = 0; i < WLAN_RC_PHY_MAX; i++) {
for (j = 0; j < RATE_TABLE_SIZE; j++)
ath_rc_priv->valid_phy_rateidx[i][j] = 0;
}
if (!rateset->rs_nrates) {
- /* No working rate, just initialize valid rates */
- hi = ath_rc_init_validrates(ath_rc_priv, rate_table,
- ath_rc_priv->ht_cap);
+ hi = ath_rc_init_validrates(ath_rc_priv);
} else {
- /* Use intersection of working rates and valid rates */
- hi = ath_rc_setvalid_rates(ath_rc_priv, rate_table,
- rateset, ath_rc_priv->ht_cap);
- if (ath_rc_priv->ht_cap & WLAN_RC_HT_FLAG) {
- hthi = ath_rc_setvalid_htrates(ath_rc_priv,
- rate_table,
- ht_mcs,
- ath_rc_priv->ht_cap);
- }
+ hi = ath_rc_setvalid_rates(ath_rc_priv, true);
+
+ if (ath_rc_priv->ht_cap & WLAN_RC_HT_FLAG)
+ hthi = ath_rc_setvalid_rates(ath_rc_priv, false);
+
hi = max(hi, hthi);
}
ath_rc_priv->rate_table_size = hi + 1;
ath_rc_priv->rate_max_phy = 0;
- BUG_ON(ath_rc_priv->rate_table_size > RATE_TABLE_SIZE);
+ WARN_ON(ath_rc_priv->rate_table_size > RATE_TABLE_SIZE);
for (i = 0, k = 0; i < WLAN_RC_PHY_MAX; i++) {
for (j = 0; j < ath_rc_priv->valid_phy_ratecnt[i]; j++) {
ath_rc_priv->valid_phy_rateidx[i][j];
}
- if (!ath_rc_valid_phyrate(i, rate_table->initial_ratemax, 1)
- || !ath_rc_priv->valid_phy_ratecnt[i])
+ if (!ath_rc_valid_phyrate(i, rate_table->initial_ratemax, 1) ||
+ !ath_rc_priv->valid_phy_ratecnt[i])
continue;
ath_rc_priv->rate_max_phy = ath_rc_priv->valid_phy_rateidx[i][j-1];
}
- BUG_ON(ath_rc_priv->rate_table_size > RATE_TABLE_SIZE);
- BUG_ON(k > RATE_TABLE_SIZE);
+ WARN_ON(ath_rc_priv->rate_table_size > RATE_TABLE_SIZE);
+ WARN_ON(k > RATE_TABLE_SIZE);
ath_rc_priv->max_valid_rate = k;
- ath_rc_sort_validrates(rate_table, ath_rc_priv);
+ ath_rc_sort_validrates(ath_rc_priv);
ath_rc_priv->rate_max_phy = (k > 4) ?
- ath_rc_priv->valid_rate_index[k-4] :
- ath_rc_priv->valid_rate_index[k-1];
- ath_rc_priv->rate_table = rate_table;
+ ath_rc_priv->valid_rate_index[k-4] :
+ ath_rc_priv->valid_rate_index[k-1];
ath_dbg(common, CONFIG, "RC Initialized with capabilities: 0x%x\n",
ath_rc_priv->ht_cap);
}
-static u8 ath_rc_build_ht_caps(struct ath_softc *sc, struct ieee80211_sta *sta,
- bool is_cw40, bool is_sgi)
+static u8 ath_rc_build_ht_caps(struct ath_softc *sc, struct ieee80211_sta *sta)
{
u8 caps = 0;
caps |= WLAN_RC_TS_FLAG | WLAN_RC_DS_FLAG;
else if (sta->ht_cap.mcs.rx_mask[1])
caps |= WLAN_RC_DS_FLAG;
- if (is_cw40)
+ if (sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)
caps |= WLAN_RC_40_FLAG;
- if (is_sgi)
+ if (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40 ||
+ sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20)
caps |= WLAN_RC_SGI_FLAG;
}
/* mac80211 Rate Control callbacks */
/***********************************/
-static void ath_debug_stat_rc(struct ath_rate_priv *rc, int final_rate)
-{
- struct ath_rc_stats *stats;
-
- stats = &rc->rcstats[final_rate];
- stats->success++;
-}
-
-
static void ath_tx_status(void *priv, struct ieee80211_supported_band *sband,
struct ieee80211_sta *sta, void *priv_sta,
struct sk_buff *skb)
struct ath_softc *sc = priv;
struct ath_rate_priv *ath_rc_priv = priv_sta;
struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
- struct ieee80211_hdr *hdr;
- int final_ts_idx = 0, tx_status = 0;
- int long_retry = 0;
- __le16 fc;
- int i;
-
- hdr = (struct ieee80211_hdr *)skb->data;
- fc = hdr->frame_control;
- for (i = 0; i < sc->hw->max_rates; i++) {
- struct ieee80211_tx_rate *rate = &tx_info->status.rates[i];
- if (rate->idx < 0 || !rate->count)
- break;
-
- final_ts_idx = i;
- long_retry = rate->count - 1;
- }
+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
+ __le16 fc = hdr->frame_control;
if (!priv_sta || !ieee80211_is_data(fc))
return;
if (tx_info->flags & IEEE80211_TX_STAT_TX_FILTERED)
return;
- if (!(tx_info->flags & IEEE80211_TX_STAT_ACK))
- tx_status = 1;
-
- ath_rc_tx_status(sc, ath_rc_priv, tx_info, final_ts_idx, tx_status,
- long_retry);
+ ath_rc_tx_status(sc, ath_rc_priv, skb);
/* Check if aggregation has to be enabled for this tid */
if (conf_is_ht(&sc->hw->conf) &&
ieee80211_start_tx_ba_session(sta, tid, 0);
}
}
-
- ath_debug_stat_rc(ath_rc_priv,
- ath_rc_get_rateindex(ath_rc_priv->rate_table,
- &tx_info->status.rates[final_ts_idx]));
}
static void ath_rate_init(void *priv, struct ieee80211_supported_band *sband,
struct ieee80211_sta *sta, void *priv_sta)
{
struct ath_softc *sc = priv;
+ struct ath_common *common = ath9k_hw_common(sc->sc_ah);
struct ath_rate_priv *ath_rc_priv = priv_sta;
- const struct ath_rate_table *rate_table;
- bool is_cw40, is_sgi = false;
int i, j = 0;
for (i = 0; i < sband->n_bitrates; i++) {
ath_rc_priv->neg_ht_rates.rs_nrates = j;
}
- is_cw40 = !!(sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40);
-
- if (is_cw40)
- is_sgi = !!(sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40);
- else if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_SGI_20)
- is_sgi = !!(sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20);
-
- /* Choose rate table first */
-
- rate_table = ath_choose_rate_table(sc, sband->band,
- sta->ht_cap.ht_supported);
+ ath_rc_priv->rate_table = ath_choose_rate_table(sc, sband->band,
+ sta->ht_cap.ht_supported);
+ if (!ath_rc_priv->rate_table) {
+ ath_err(common, "No rate table chosen\n");
+ return;
+ }
- ath_rc_priv->ht_cap = ath_rc_build_ht_caps(sc, sta, is_cw40, is_sgi);
- ath_rc_init(sc, priv_sta, sband, sta, rate_table);
+ ath_rc_priv->ht_cap = ath_rc_build_ht_caps(sc, sta);
+ ath_rc_init(sc, priv_sta);
}
static void ath_rate_update(void *priv, struct ieee80211_supported_band *sband,
{
struct ath_softc *sc = priv;
struct ath_rate_priv *ath_rc_priv = priv_sta;
- const struct ath_rate_table *rate_table = NULL;
- bool oper_cw40 = false, oper_sgi;
- bool local_cw40 = !!(ath_rc_priv->ht_cap & WLAN_RC_40_FLAG);
- bool local_sgi = !!(ath_rc_priv->ht_cap & WLAN_RC_SGI_FLAG);
-
- /* FIXME: Handle AP mode later when we support CWM */
if (changed & IEEE80211_RC_BW_CHANGED) {
- if (sc->sc_ah->opmode != NL80211_IFTYPE_STATION)
- return;
+ ath_rc_priv->ht_cap = ath_rc_build_ht_caps(sc, sta);
+ ath_rc_init(sc, priv_sta);
- if (sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)
- oper_cw40 = true;
-
- if (oper_cw40)
- oper_sgi = (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40) ?
- true : false;
- else if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_SGI_20)
- oper_sgi = (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20) ?
- true : false;
- else
- oper_sgi = false;
-
- if ((local_cw40 != oper_cw40) || (local_sgi != oper_sgi)) {
- rate_table = ath_choose_rate_table(sc, sband->band,
- sta->ht_cap.ht_supported);
- ath_rc_priv->ht_cap = ath_rc_build_ht_caps(sc, sta,
- oper_cw40, oper_sgi);
- ath_rc_init(sc, priv_sta, sband, sta, rate_table);
-
- ath_dbg(ath9k_hw_common(sc->sc_ah), CONFIG,
- "Operating HT Bandwidth changed to: %d\n",
- sc->hw->conf.channel_type);
- }
+ ath_dbg(ath9k_hw_common(sc->sc_ah), CONFIG,
+ "Operating HT Bandwidth changed to: %d\n",
+ sc->hw->conf.channel_type);
}
}
struct ath_rate_priv *rc = file->private_data;
char *buf;
unsigned int len = 0, max;
- int i = 0;
+ int rix;
ssize_t retval;
if (rc->rate_table == NULL)
"HT", "MCS", "Rate",
"Success", "Retries", "XRetries", "PER");
- for (i = 0; i < rc->rate_table_size; i++) {
+ for (rix = 0; rix < rc->max_valid_rate; rix++) {
+ u8 i = rc->valid_rate_index[rix];
u32 ratekbps = rc->rate_table->info[i].ratekbps;
struct ath_rc_stats *stats = &rc->rcstats[i];
char mcs[5];
u32 user_ratekbps;
u8 ratecode;
u8 dot11rate;
- u8 ctrl_rate;
- u8 cw40index;
- u8 sgi_index;
- u8 ht_index;
} info[RATE_TABLE_SIZE];
u32 probe_interval;
u8 initial_ratemax;
TX_STAT_INC(txq->axq_qnum, queued);
}
-static void setup_frame_info(struct ieee80211_hw *hw, struct sk_buff *skb,
+static void setup_frame_info(struct ieee80211_hw *hw,
+ struct ieee80211_sta *sta,
+ struct sk_buff *skb,
int framelen)
{
struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
- struct ieee80211_sta *sta = tx_info->control.sta;
struct ieee80211_key_conf *hw_key = tx_info->control.hw_key;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
const struct ieee80211_rate *rate;
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
- struct ieee80211_sta *sta = info->control.sta;
+ struct ieee80211_sta *sta = txctl->sta;
struct ieee80211_vif *vif = info->control.vif;
struct ath_softc *sc = hw->priv;
struct ath_txq *txq = txctl->txq;
!ieee80211_is_data(hdr->frame_control))
info->flags |= IEEE80211_TX_CTL_CLEAR_PS_FILT;
- setup_frame_info(hw, skb, frmlen);
+ setup_frame_info(hw, sta, skb, frmlen);
/*
* At this point, the vif, hw_key and sta pointers in the tx control
bool rx_has_plcp;
struct sk_buff *rx_failover;
int rx_failover_missing;
+ u32 ampdu_ref;
/* FIFO for collecting outstanding BlockAckRequest */
struct list_head bar_list[__AR9170_NUM_TXQ];
void carl9170_handle_command_response(struct ar9170 *ar, void *buf, u32 len);
/* TX */
-void carl9170_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb);
+void carl9170_op_tx(struct ieee80211_hw *hw,
+ struct ieee80211_tx_control *control,
+ struct sk_buff *skb);
void carl9170_tx_janitor(struct work_struct *work);
void carl9170_tx_process_status(struct ar9170 *ar,
const struct carl9170_rsp *cmd);
if (SUPP(CARL9170FW_WLANTX_CAB)) {
if_comb_types |=
BIT(NL80211_IFTYPE_AP) |
+ BIT(NL80211_IFTYPE_MESH_POINT) |
BIT(NL80211_IFTYPE_P2P_GO);
}
}
bssid = common->curbssid;
switch (vif->type) {
- case NL80211_IFTYPE_MESH_POINT:
case NL80211_IFTYPE_ADHOC:
cam_mode |= AR9170_MAC_CAM_IBSS;
break;
+ case NL80211_IFTYPE_MESH_POINT:
case NL80211_IFTYPE_AP:
cam_mode |= AR9170_MAC_CAM_AP;
goto unlock;
+ case NL80211_IFTYPE_MESH_POINT:
case NL80211_IFTYPE_AP:
if ((vif->type == NL80211_IFTYPE_STATION) ||
(vif->type == NL80211_IFTYPE_WDS) ||
- (vif->type == NL80211_IFTYPE_AP))
+ (vif->type == NL80211_IFTYPE_AP) ||
+ (vif->type == NL80211_IFTYPE_MESH_POINT))
break;
err = -EBUSY;
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_ADHOC:
+ case NL80211_IFTYPE_MESH_POINT:
carl9170_update_beacon(ar, true);
break;
#undef TID_CHECK
}
-static bool carl9170_ampdu_check(struct ar9170 *ar, u8 *buf, u8 ms)
+static bool carl9170_ampdu_check(struct ar9170 *ar, u8 *buf, u8 ms,
+ struct ieee80211_rx_status *rx_status)
{
__le16 fc;
return true;
}
+ rx_status->flag |= RX_FLAG_AMPDU_DETAILS | RX_FLAG_AMPDU_LAST_KNOWN;
+ rx_status->ampdu_reference = ar->ampdu_ref;
+
/*
* "802.11n - 7.4a.3 A-MPDU contents" describes in which contexts
* certain frame types can be part of an aMPDU.
if (unlikely(len < sizeof(*mac)))
goto drop;
+ memset(&status, 0, sizeof(status));
+
mpdu_len = len - sizeof(*mac);
mac = (void *)(buf + mpdu_len);
mac_status = mac->status;
switch (mac_status & AR9170_RX_STATUS_MPDU) {
case AR9170_RX_STATUS_MPDU_FIRST:
+ ar->ampdu_ref++;
/* Aggregated MPDUs start with an PLCP header */
if (likely(mpdu_len >= sizeof(struct ar9170_rx_head))) {
head = (void *) buf;
break;
case AR9170_RX_STATUS_MPDU_LAST:
+ status.flag |= RX_FLAG_AMPDU_IS_LAST;
+
/*
* The last frame of an A-MPDU has an extra tail
* which does contain the phy status of the whole
* aggregate.
*/
-
if (likely(mpdu_len >= sizeof(struct ar9170_rx_phystatus))) {
mpdu_len -= sizeof(struct ar9170_rx_phystatus);
phy = (void *)(buf + mpdu_len);
if (unlikely(mpdu_len < (2 + 2 + ETH_ALEN + FCS_LEN)))
goto drop;
- memset(&status, 0, sizeof(status));
if (unlikely(carl9170_rx_mac_status(ar, head, mac, &status)))
goto drop;
- if (!carl9170_ampdu_check(ar, buf, mac_status))
+ if (!carl9170_ampdu_check(ar, buf, mac_status, &status))
goto drop;
if (phy)
return false;
}
-static int carl9170_tx_prepare(struct ar9170 *ar, struct sk_buff *skb)
+static int carl9170_tx_prepare(struct ar9170 *ar,
+ struct ieee80211_sta *sta,
+ struct sk_buff *skb)
{
struct ieee80211_hdr *hdr;
struct _carl9170_tx_superframe *txc;
struct carl9170_vif_info *cvif;
struct ieee80211_tx_info *info;
struct ieee80211_tx_rate *txrate;
- struct ieee80211_sta *sta;
struct carl9170_tx_info *arinfo;
unsigned int hw_queue;
int i;
else
cvif = NULL;
- sta = info->control.sta;
-
txc = (void *)skb_push(skb, sizeof(*txc));
memset(txc, 0, sizeof(*txc));
return false;
}
-void carl9170_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
+void carl9170_op_tx(struct ieee80211_hw *hw,
+ struct ieee80211_tx_control *control,
+ struct sk_buff *skb)
{
struct ar9170 *ar = hw->priv;
struct ieee80211_tx_info *info;
- struct ieee80211_sta *sta;
+ struct ieee80211_sta *sta = control->sta;
bool run;
if (unlikely(!IS_STARTED(ar)))
goto err_free;
info = IEEE80211_SKB_CB(skb);
- sta = info->control.sta;
- if (unlikely(carl9170_tx_prepare(ar, skb)))
+ if (unlikely(carl9170_tx_prepare(ar, sta, skb)))
goto err_free;
carl9170_tx_accounting(ar, skb);
b43-$(CONFIG_B43_PHY_N) += tables_nphy.o
b43-$(CONFIG_B43_PHY_N) += radio_2055.o
b43-$(CONFIG_B43_PHY_N) += radio_2056.o
+b43-$(CONFIG_B43_PHY_N) += radio_2057.o
b43-y += phy_common.o
b43-y += phy_g.o
b43-y += phy_a.o
#define B43_SHM_SH_PHYVER 0x0050 /* PHY version */
#define B43_SHM_SH_PHYTYPE 0x0052 /* PHY type */
#define B43_SHM_SH_ANTSWAP 0x005C /* Antenna swap threshold */
-#define B43_SHM_SH_HOSTFLO 0x005E /* Hostflags for ucode options (low) */
-#define B43_SHM_SH_HOSTFMI 0x0060 /* Hostflags for ucode options (middle) */
-#define B43_SHM_SH_HOSTFHI 0x0062 /* Hostflags for ucode options (high) */
+#define B43_SHM_SH_HOSTF1 0x005E /* Hostflags 1 for ucode options */
+#define B43_SHM_SH_HOSTF2 0x0060 /* Hostflags 2 for ucode options */
+#define B43_SHM_SH_HOSTF3 0x0062 /* Hostflags 3 for ucode options */
#define B43_SHM_SH_RFATT 0x0064 /* Current radio attenuation value */
#define B43_SHM_SH_RADAR 0x0066 /* Radar register */
#define B43_SHM_SH_PHYTXNOI 0x006E /* PHY noise directly after TX (lower 8bit only) */
#define B43_SHM_SH_RFRXSP1 0x0072 /* RF RX SP Register 1 */
+#define B43_SHM_SH_HOSTF4 0x0078 /* Hostflags 4 for ucode options */
#define B43_SHM_SH_CHAN 0x00A0 /* Current channel (low 8bit only) */
#define B43_SHM_SH_CHAN_5GHZ 0x0100 /* Bit set, if 5 Ghz channel */
#define B43_SHM_SH_CHAN_40MHZ 0x0200 /* Bit set, if 40 Mhz channel width */
+#define B43_SHM_SH_HOSTF5 0x00D4 /* Hostflags 5 for ucode options */
#define B43_SHM_SH_BCMCFIFOID 0x0108 /* Last posted cookie to the bcast/mcast FIFO */
/* TSSI information */
#define B43_SHM_SH_TSSI_CCK 0x0058 /* TSSI for last 4 CCK frames (32bit) */
#define B43_PHYTYPE_HT 0x07
#define B43_PHYTYPE_LCN 0x08
#define B43_PHYTYPE_LCNXN 0x09
+#define B43_PHYTYPE_LCN40 0x0a
+#define B43_PHYTYPE_AC 0x0b
/* PHYRegisters */
#define B43_PHY_ILT_A_CTRL 0x0072
{
u64 ret;
- ret = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_HOSTFHI);
+ ret = b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_HOSTF3);
ret <<= 16;
- ret |= b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_HOSTFMI);
+ ret |= b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_HOSTF2);
ret <<= 16;
- ret |= b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_HOSTFLO);
+ ret |= b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_HOSTF1);
return ret;
}
lo = (value & 0x00000000FFFFULL);
mi = (value & 0x0000FFFF0000ULL) >> 16;
hi = (value & 0xFFFF00000000ULL) >> 32;
- b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_HOSTFLO, lo);
- b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_HOSTFMI, mi);
- b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_HOSTFHI, hi);
+ b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_HOSTF1, lo);
+ b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_HOSTF2, mi);
+ b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_HOSTF3, hi);
}
/* Read the firmware capabilities bitmask (Opensource firmware only) */
}
static void b43_op_tx(struct ieee80211_hw *hw,
- struct sk_buff *skb)
+ struct ieee80211_tx_control *control,
+ struct sk_buff *skb)
{
struct b43_wl *wl = hw_to_b43_wl(hw);
return err;
}
+static char *b43_phy_name(struct b43_wldev *dev, u8 phy_type)
+{
+ switch (phy_type) {
+ case B43_PHYTYPE_A:
+ return "A";
+ case B43_PHYTYPE_B:
+ return "B";
+ case B43_PHYTYPE_G:
+ return "G";
+ case B43_PHYTYPE_N:
+ return "N";
+ case B43_PHYTYPE_LP:
+ return "LP";
+ case B43_PHYTYPE_SSLPN:
+ return "SSLPN";
+ case B43_PHYTYPE_HT:
+ return "HT";
+ case B43_PHYTYPE_LCN:
+ return "LCN";
+ case B43_PHYTYPE_LCNXN:
+ return "LCNXN";
+ case B43_PHYTYPE_LCN40:
+ return "LCN40";
+ case B43_PHYTYPE_AC:
+ return "AC";
+ }
+ return "UNKNOWN";
+}
+
/* Get PHY and RADIO versioning numbers */
static int b43_phy_versioning(struct b43_wldev *dev)
{
unsupported = 1;
}
if (unsupported) {
- b43err(dev->wl, "FOUND UNSUPPORTED PHY "
- "(Analog %u, Type %u, Revision %u)\n",
- analog_type, phy_type, phy_rev);
+ b43err(dev->wl, "FOUND UNSUPPORTED PHY (Analog %u, Type %d (%s), Revision %u)\n",
+ analog_type, phy_type, b43_phy_name(dev, phy_type),
+ phy_rev);
return -EOPNOTSUPP;
}
- b43dbg(dev->wl, "Found PHY: Analog %u, Type %u, Revision %u\n",
- analog_type, phy_type, phy_rev);
+ b43info(dev->wl, "Found PHY: Analog %u, Type %d (%s), Revision %u\n",
+ analog_type, phy_type, b43_phy_name(dev, phy_type), phy_rev);
/* Get RADIO versioning */
if (dev->dev->core_rev >= 24) {
(b43_radio_read16(dev, offset) & mask) | set);
}
+bool b43_radio_wait_value(struct b43_wldev *dev, u16 offset, u16 mask,
+ u16 value, int delay, int timeout)
+{
+ u16 val;
+ int i;
+
+ for (i = 0; i < timeout; i += delay) {
+ val = b43_radio_read(dev, offset);
+ if ((val & mask) == value)
+ return true;
+ udelay(delay);
+ }
+ return false;
+}
+
u16 b43_phy_read(struct b43_wldev *dev, u16 reg)
{
assert_mac_suspended(dev);
average = (a + b + c + d + 2) / 4;
if (is_ofdm) {
/* Adjust for CCK-boost */
- if (b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_HOSTFLO)
+ if (b43_shm_read16(dev, B43_SHM_SHARED, B43_SHM_SH_HOSTF1)
& B43_HF_CCKBOOST)
average = (average >= 13) ? (average - 13) : 0;
}
void b43_radio_maskset(struct b43_wldev *dev, u16 offset, u16 mask, u16 set);
/**
+ * b43_radio_wait_value - Waits for a given value in masked register read
+ */
+bool b43_radio_wait_value(struct b43_wldev *dev, u16 offset, u16 mask,
+ u16 value, int delay, int timeout);
+
+/**
* b43_radio_lock - Lock firmware radio register access
*/
void b43_radio_lock(struct b43_wldev *dev);
#include "tables_nphy.h"
#include "radio_2055.h"
#include "radio_2056.h"
+#include "radio_2057.h"
#include "main.h"
struct nphy_txgains {
b43_phy_write(dev, B43_NPHY_RFSEQMODE, seq_mode);
}
+/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RFCtrlOverrideRev7 */
+static void b43_nphy_rf_control_override_rev7(struct b43_wldev *dev, u16 field,
+ u16 value, u8 core, bool off,
+ u8 override)
+{
+ const struct nphy_rf_control_override_rev7 *e;
+ u16 en_addrs[3][2] = {
+ { 0x0E7, 0x0EC }, { 0x342, 0x343 }, { 0x346, 0x347 }
+ };
+ u16 en_addr;
+ u16 en_mask = field;
+ u16 val_addr;
+ u8 i;
+
+ /* Remember: we can get NULL! */
+ e = b43_nphy_get_rf_ctl_over_rev7(dev, field, override);
+
+ for (i = 0; i < 2; i++) {
+ if (override >= ARRAY_SIZE(en_addrs)) {
+ b43err(dev->wl, "Invalid override value %d\n", override);
+ return;
+ }
+ en_addr = en_addrs[override][i];
+
+ val_addr = (i == 0) ? e->val_addr_core0 : e->val_addr_core1;
+
+ if (off) {
+ b43_phy_mask(dev, en_addr, ~en_mask);
+ if (e) /* Do it safer, better than wl */
+ b43_phy_mask(dev, val_addr, ~e->val_mask);
+ } else {
+ if (!core || (core & (1 << i))) {
+ b43_phy_set(dev, en_addr, en_mask);
+ if (e)
+ b43_phy_maskset(dev, val_addr, ~e->val_mask, (value << e->val_shift));
+ }
+ }
+ }
+}
+
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RFCtrlOverride */
static void b43_nphy_rf_control_override(struct b43_wldev *dev, u16 field,
u16 value, u8 core, bool off)
}
/**************************************************
+ * Radio 0x2057
+ **************************************************/
+
+/* http://bcm-v4.sipsolutions.net/PHY/radio2057_rcal */
+static u8 b43_radio_2057_rcal(struct b43_wldev *dev)
+{
+ struct b43_phy *phy = &dev->phy;
+ u16 tmp;
+
+ if (phy->radio_rev == 5) {
+ b43_phy_mask(dev, 0x342, ~0x2);
+ udelay(10);
+ b43_radio_set(dev, R2057_IQTEST_SEL_PU, 0x1);
+ b43_radio_maskset(dev, 0x1ca, ~0x2, 0x1);
+ }
+
+ b43_radio_set(dev, R2057_RCAL_CONFIG, 0x1);
+ udelay(10);
+ b43_radio_set(dev, R2057_RCAL_CONFIG, 0x3);
+ if (!b43_radio_wait_value(dev, R2057_RCCAL_N1_1, 1, 1, 100, 1000000)) {
+ b43err(dev->wl, "Radio 0x2057 rcal timeout\n");
+ return 0;
+ }
+ b43_radio_mask(dev, R2057_RCAL_CONFIG, ~0x2);
+ tmp = b43_radio_read(dev, R2057_RCAL_STATUS) & 0x3E;
+ b43_radio_mask(dev, R2057_RCAL_CONFIG, ~0x1);
+
+ if (phy->radio_rev == 5) {
+ b43_radio_mask(dev, R2057_IPA2G_CASCONV_CORE0, ~0x1);
+ b43_radio_mask(dev, 0x1ca, ~0x2);
+ }
+ if (phy->radio_rev <= 4 || phy->radio_rev == 6) {
+ b43_radio_maskset(dev, R2057_TEMPSENSE_CONFIG, ~0x3C, tmp);
+ b43_radio_maskset(dev, R2057_BANDGAP_RCAL_TRIM, ~0xF0,
+ tmp << 2);
+ }
+
+ return tmp & 0x3e;
+}
+
+/* http://bcm-v4.sipsolutions.net/PHY/radio2057_rccal */
+static u16 b43_radio_2057_rccal(struct b43_wldev *dev)
+{
+ struct b43_phy *phy = &dev->phy;
+ bool special = (phy->radio_rev == 3 || phy->radio_rev == 4 ||
+ phy->radio_rev == 6);
+ u16 tmp;
+
+ if (special) {
+ b43_radio_write(dev, R2057_RCCAL_MASTER, 0x61);
+ b43_radio_write(dev, R2057_RCCAL_TRC0, 0xC0);
+ } else {
+ b43_radio_write(dev, 0x1AE, 0x61);
+ b43_radio_write(dev, R2057_RCCAL_TRC0, 0xE1);
+ }
+ b43_radio_write(dev, R2057_RCCAL_X1, 0x6E);
+ b43_radio_write(dev, R2057_RCCAL_START_R1_Q1_P1, 0x55);
+ if (!b43_radio_wait_value(dev, R2057_RCCAL_DONE_OSCCAP, 1, 1, 500,
+ 5000000))
+ b43dbg(dev->wl, "Radio 0x2057 rccal timeout\n");
+ b43_radio_write(dev, R2057_RCCAL_START_R1_Q1_P1, 0x15);
+ if (special) {
+ b43_radio_write(dev, R2057_RCCAL_MASTER, 0x69);
+ b43_radio_write(dev, R2057_RCCAL_TRC0, 0xB0);
+ } else {
+ b43_radio_write(dev, 0x1AE, 0x69);
+ b43_radio_write(dev, R2057_RCCAL_TRC0, 0xD5);
+ }
+ b43_radio_write(dev, R2057_RCCAL_X1, 0x6E);
+ b43_radio_write(dev, R2057_RCCAL_START_R1_Q1_P1, 0x55);
+ if (!b43_radio_wait_value(dev, R2057_RCCAL_DONE_OSCCAP, 1, 1, 500,
+ 5000000))
+ b43dbg(dev->wl, "Radio 0x2057 rccal timeout\n");
+ b43_radio_write(dev, R2057_RCCAL_START_R1_Q1_P1, 0x15);
+ if (special) {
+ b43_radio_write(dev, R2057_RCCAL_MASTER, 0x73);
+ b43_radio_write(dev, R2057_RCCAL_X1, 0x28);
+ b43_radio_write(dev, R2057_RCCAL_TRC0, 0xB0);
+ } else {
+ b43_radio_write(dev, 0x1AE, 0x73);
+ b43_radio_write(dev, R2057_RCCAL_X1, 0x6E);
+ b43_radio_write(dev, R2057_RCCAL_TRC0, 0x99);
+ }
+ b43_radio_write(dev, R2057_RCCAL_START_R1_Q1_P1, 0x55);
+ if (!b43_radio_wait_value(dev, R2057_RCCAL_DONE_OSCCAP, 1, 1, 500,
+ 5000000)) {
+ b43err(dev->wl, "Radio 0x2057 rcal timeout\n");
+ return 0;
+ }
+ tmp = b43_radio_read(dev, R2057_RCCAL_DONE_OSCCAP);
+ b43_radio_write(dev, R2057_RCCAL_START_R1_Q1_P1, 0x15);
+ return tmp;
+}
+
+static void b43_radio_2057_init_pre(struct b43_wldev *dev)
+{
+ b43_phy_mask(dev, B43_NPHY_RFCTL_CMD, ~B43_NPHY_RFCTL_CMD_CHIP0PU);
+ /* Maybe wl meant to reset and set (order?) RFCTL_CMD_OEPORFORCE? */
+ b43_phy_mask(dev, B43_NPHY_RFCTL_CMD, B43_NPHY_RFCTL_CMD_OEPORFORCE);
+ b43_phy_set(dev, B43_NPHY_RFCTL_CMD, ~B43_NPHY_RFCTL_CMD_OEPORFORCE);
+ b43_phy_set(dev, B43_NPHY_RFCTL_CMD, B43_NPHY_RFCTL_CMD_CHIP0PU);
+}
+
+static void b43_radio_2057_init_post(struct b43_wldev *dev)
+{
+ b43_radio_set(dev, R2057_XTALPUOVR_PINCTRL, 0x1);
+
+ b43_radio_set(dev, R2057_RFPLL_MISC_CAL_RESETN, 0x78);
+ b43_radio_set(dev, R2057_XTAL_CONFIG2, 0x80);
+ mdelay(2);
+ b43_radio_mask(dev, R2057_RFPLL_MISC_CAL_RESETN, ~0x78);
+ b43_radio_mask(dev, R2057_XTAL_CONFIG2, ~0x80);
+
+ if (dev->phy.n->init_por) {
+ b43_radio_2057_rcal(dev);
+ b43_radio_2057_rccal(dev);
+ }
+ b43_radio_mask(dev, R2057_RFPLL_MASTER, ~0x8);
+
+ dev->phy.n->init_por = false;
+}
+
+/* http://bcm-v4.sipsolutions.net/802.11/Radio/2057/Init */
+static void b43_radio_2057_init(struct b43_wldev *dev)
+{
+ b43_radio_2057_init_pre(dev);
+ r2057_upload_inittabs(dev);
+ b43_radio_2057_init_post(dev);
+}
+
+/**************************************************
* Radio 0x2056
**************************************************/
enum ieee80211_band band = b43_current_band(dev->wl);
u16 offset;
u8 i;
- u16 bias, cbias, pag_boost, pgag_boost, mixg_boost, padg_boost;
+ u16 bias, cbias;
+ u16 pag_boost, padg_boost, pgag_boost, mixg_boost;
+ u16 paa_boost, pada_boost, pgaa_boost, mixa_boost;
B43_WARN_ON(dev->phy.rev < 3);
b43_radio_write(dev, offset | B2056_TX_PA_SPARE1, 0xee);
}
} else if (dev->phy.n->ipa5g_on && band == IEEE80211_BAND_5GHZ) {
- /* TODO */
+ u16 freq = dev->phy.channel_freq;
+ if (freq < 5100) {
+ paa_boost = 0xA;
+ pada_boost = 0x77;
+ pgaa_boost = 0xF;
+ mixa_boost = 0xF;
+ } else if (freq < 5340) {
+ paa_boost = 0x8;
+ pada_boost = 0x77;
+ pgaa_boost = 0xFB;
+ mixa_boost = 0xF;
+ } else if (freq < 5650) {
+ paa_boost = 0x0;
+ pada_boost = 0x77;
+ pgaa_boost = 0xB;
+ mixa_boost = 0xF;
+ } else {
+ paa_boost = 0x0;
+ pada_boost = 0x77;
+ if (freq != 5825)
+ pgaa_boost = -(freq - 18) / 36 + 168;
+ else
+ pgaa_boost = 6;
+ mixa_boost = 0xF;
+ }
+
+ for (i = 0; i < 2; i++) {
+ offset = i ? B2056_TX1 : B2056_TX0;
+
+ b43_radio_write(dev,
+ offset | B2056_TX_INTPAA_BOOST_TUNE, paa_boost);
+ b43_radio_write(dev,
+ offset | B2056_TX_PADA_BOOST_TUNE, pada_boost);
+ b43_radio_write(dev,
+ offset | B2056_TX_PGAA_BOOST_TUNE, pgaa_boost);
+ b43_radio_write(dev,
+ offset | B2056_TX_MIXA_BOOST_TUNE, mixa_boost);
+ b43_radio_write(dev,
+ offset | B2056_TX_TXSPARE1, 0x30);
+ b43_radio_write(dev,
+ offset | B2056_TX_PA_SPARE2, 0xee);
+ b43_radio_write(dev,
+ offset | B2056_TX_PADA_CASCBIAS, 0x03);
+ b43_radio_write(dev,
+ offset | B2056_TX_INTPAA_IAUX_STAT, 0x50);
+ b43_radio_write(dev,
+ offset | B2056_TX_INTPAA_IMAIN_STAT, 0x50);
+ b43_radio_write(dev,
+ offset | B2056_TX_INTPAA_CASCBIAS, 0x30);
+ }
}
udelay(50);
udelay(300);
}
+static u8 b43_radio_2056_rcal(struct b43_wldev *dev)
+{
+ struct b43_phy *phy = &dev->phy;
+ u16 mast2, tmp;
+
+ if (phy->rev != 3)
+ return 0;
+
+ mast2 = b43_radio_read(dev, B2056_SYN_PLL_MAST2);
+ b43_radio_write(dev, B2056_SYN_PLL_MAST2, mast2 | 0x7);
+
+ udelay(10);
+ b43_radio_write(dev, B2056_SYN_RCAL_MASTER, 0x01);
+ udelay(10);
+ b43_radio_write(dev, B2056_SYN_RCAL_MASTER, 0x09);
+
+ if (!b43_radio_wait_value(dev, B2056_SYN_RCAL_CODE_OUT, 0x80, 0x80, 100,
+ 1000000)) {
+ b43err(dev->wl, "Radio recalibration timeout\n");
+ return 0;
+ }
+
+ b43_radio_write(dev, B2056_SYN_RCAL_MASTER, 0x01);
+ tmp = b43_radio_read(dev, B2056_SYN_RCAL_CODE_OUT);
+ b43_radio_write(dev, B2056_SYN_RCAL_MASTER, 0x00);
+
+ b43_radio_write(dev, B2056_SYN_PLL_MAST2, mast2);
+
+ return tmp & 0x1f;
+}
+
static void b43_radio_init2056_pre(struct b43_wldev *dev)
{
b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
b43_radio_mask(dev, B2056_SYN_COM_RESET, ~0x2);
b43_radio_mask(dev, B2056_SYN_PLL_MAST2, ~0xFC);
b43_radio_mask(dev, B2056_SYN_RCCAL_CTRL0, ~0x1);
- /*
- if (nphy->init_por)
- Call Radio 2056 Recalibrate
- */
+ if (dev->phy.n->init_por)
+ b43_radio_2056_rcal(dev);
}
/*
b43_radio_init2056_pre(dev);
b2056_upload_inittabs(dev, 0, 0);
b43_radio_init2056_post(dev);
+
+ dev->phy.n->init_por = false;
}
/**************************************************
{
struct b43_phy_n *nphy = dev->phy.n;
struct ssb_sprom *sprom = dev->dev->bus_sprom;
- int i;
- u16 val;
bool workaround = false;
if (sprom->revision < 4)
b43_radio_set(dev, B2055_CAL_MISC, 0x1);
msleep(1);
b43_radio_set(dev, B2055_CAL_MISC, 0x40);
- for (i = 0; i < 200; i++) {
- val = b43_radio_read(dev, B2055_CAL_COUT2);
- if (val & 0x80) {
- i = 0;
- break;
- }
- udelay(10);
- }
- if (i)
+ if (!b43_radio_wait_value(dev, B2055_CAL_COUT2, 0x80, 0x80, 10, 2000))
b43err(dev->wl, "radio post init timeout\n");
b43_radio_mask(dev, B2055_CAL_LPOCTL, 0xFF7F);
b43_switch_channel(dev, dev->phy.channel);
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/WorkaroundsGainCtrl */
static void b43_nphy_gain_ctl_workarounds(struct b43_wldev *dev)
{
- if (dev->phy.rev >= 3)
+ if (dev->phy.rev >= 7)
+ ; /* TODO */
+ else if (dev->phy.rev >= 3)
b43_nphy_gain_ctl_workarounds_rev3plus(dev);
else
b43_nphy_gain_ctl_workarounds_rev1_2(dev);
}
+/* http://bcm-v4.sipsolutions.net/PHY/N/Read_Lpf_Bw_Ctl */
+static u16 b43_nphy_read_lpf_ctl(struct b43_wldev *dev, u16 offset)
+{
+ if (!offset)
+ offset = (dev->phy.is_40mhz) ? 0x159 : 0x154;
+ return b43_ntab_read(dev, B43_NTAB16(7, offset)) & 0x7;
+}
+
+static void b43_nphy_workarounds_rev7plus(struct b43_wldev *dev)
+{
+ struct ssb_sprom *sprom = dev->dev->bus_sprom;
+ struct b43_phy *phy = &dev->phy;
+
+ u8 rx2tx_events_ipa[9] = { 0x0, 0x1, 0x2, 0x8, 0x5, 0x6, 0xF, 0x3,
+ 0x1F };
+ u8 rx2tx_delays_ipa[9] = { 8, 6, 6, 4, 4, 16, 43, 1, 1 };
+
+ u16 ntab7_15e_16e[] = { 0x10f, 0x10f };
+ u8 ntab7_138_146[] = { 0x11, 0x11 };
+ u8 ntab7_133[] = { 0x77, 0x11, 0x11 };
+
+ u16 lpf_20, lpf_40, lpf_11b;
+ u16 bcap_val, bcap_val_11b, bcap_val_11n_20, bcap_val_11n_40;
+ u16 scap_val, scap_val_11b, scap_val_11n_20, scap_val_11n_40;
+ bool rccal_ovrd = false;
+
+ u16 rx2tx_lut_20_11b, rx2tx_lut_20_11n, rx2tx_lut_40_11n;
+ u16 bias, conv, filt;
+
+ u32 tmp32;
+ u8 core;
+
+ if (phy->rev == 7) {
+ b43_phy_set(dev, B43_NPHY_FINERX2_CGC, 0x10);
+ b43_phy_maskset(dev, B43_NPHY_FREQGAIN0, 0xFF80, 0x0020);
+ b43_phy_maskset(dev, B43_NPHY_FREQGAIN0, 0x80FF, 0x2700);
+ b43_phy_maskset(dev, B43_NPHY_FREQGAIN1, 0xFF80, 0x002E);
+ b43_phy_maskset(dev, B43_NPHY_FREQGAIN1, 0x80FF, 0x3300);
+ b43_phy_maskset(dev, B43_NPHY_FREQGAIN2, 0xFF80, 0x0037);
+ b43_phy_maskset(dev, B43_NPHY_FREQGAIN2, 0x80FF, 0x3A00);
+ b43_phy_maskset(dev, B43_NPHY_FREQGAIN3, 0xFF80, 0x003C);
+ b43_phy_maskset(dev, B43_NPHY_FREQGAIN3, 0x80FF, 0x3E00);
+ b43_phy_maskset(dev, B43_NPHY_FREQGAIN4, 0xFF80, 0x003E);
+ b43_phy_maskset(dev, B43_NPHY_FREQGAIN4, 0x80FF, 0x3F00);
+ b43_phy_maskset(dev, B43_NPHY_FREQGAIN5, 0xFF80, 0x0040);
+ b43_phy_maskset(dev, B43_NPHY_FREQGAIN5, 0x80FF, 0x4000);
+ b43_phy_maskset(dev, B43_NPHY_FREQGAIN6, 0xFF80, 0x0040);
+ b43_phy_maskset(dev, B43_NPHY_FREQGAIN6, 0x80FF, 0x4000);
+ b43_phy_maskset(dev, B43_NPHY_FREQGAIN7, 0xFF80, 0x0040);
+ b43_phy_maskset(dev, B43_NPHY_FREQGAIN7, 0x80FF, 0x4000);
+ }
+ if (phy->rev <= 8) {
+ b43_phy_write(dev, 0x23F, 0x1B0);
+ b43_phy_write(dev, 0x240, 0x1B0);
+ }
+ if (phy->rev >= 8)
+ b43_phy_maskset(dev, B43_NPHY_TXTAILCNT, ~0xFF, 0x72);
+
+ b43_ntab_write(dev, B43_NTAB16(8, 0x00), 2);
+ b43_ntab_write(dev, B43_NTAB16(8, 0x10), 2);
+ tmp32 = b43_ntab_read(dev, B43_NTAB32(30, 0));
+ tmp32 &= 0xffffff;
+ b43_ntab_write(dev, B43_NTAB32(30, 0), tmp32);
+ b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x15e), 2, ntab7_15e_16e);
+ b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x16e), 2, ntab7_15e_16e);
+
+ if (b43_nphy_ipa(dev))
+ b43_nphy_set_rf_sequence(dev, 0, rx2tx_events_ipa,
+ rx2tx_delays_ipa, ARRAY_SIZE(rx2tx_events_ipa));
+
+ b43_phy_maskset(dev, 0x299, 0x3FFF, 0x4000);
+ b43_phy_maskset(dev, 0x29D, 0x3FFF, 0x4000);
+
+ lpf_20 = b43_nphy_read_lpf_ctl(dev, 0x154);
+ lpf_40 = b43_nphy_read_lpf_ctl(dev, 0x159);
+ lpf_11b = b43_nphy_read_lpf_ctl(dev, 0x152);
+ if (b43_nphy_ipa(dev)) {
+ if ((phy->radio_rev == 5 && phy->is_40mhz) ||
+ phy->radio_rev == 7 || phy->radio_rev == 8) {
+ bcap_val = b43_radio_read(dev, 0x16b);
+ scap_val = b43_radio_read(dev, 0x16a);
+ scap_val_11b = scap_val;
+ bcap_val_11b = bcap_val;
+ if (phy->radio_rev == 5 && phy->is_40mhz) {
+ scap_val_11n_20 = scap_val;
+ bcap_val_11n_20 = bcap_val;
+ scap_val_11n_40 = bcap_val_11n_40 = 0xc;
+ rccal_ovrd = true;
+ } else { /* Rev 7/8 */
+ lpf_20 = 4;
+ lpf_11b = 1;
+ if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
+ scap_val_11n_20 = 0xc;
+ bcap_val_11n_20 = 0xc;
+ scap_val_11n_40 = 0xa;
+ bcap_val_11n_40 = 0xa;
+ } else {
+ scap_val_11n_20 = 0x14;
+ bcap_val_11n_20 = 0x14;
+ scap_val_11n_40 = 0xf;
+ bcap_val_11n_40 = 0xf;
+ }
+ rccal_ovrd = true;
+ }
+ }
+ } else {
+ if (phy->radio_rev == 5) {
+ lpf_20 = 1;
+ lpf_40 = 3;
+ bcap_val = b43_radio_read(dev, 0x16b);
+ scap_val = b43_radio_read(dev, 0x16a);
+ scap_val_11b = scap_val;
+ bcap_val_11b = bcap_val;
+ scap_val_11n_20 = 0x11;
+ scap_val_11n_40 = 0x11;
+ bcap_val_11n_20 = 0x13;
+ bcap_val_11n_40 = 0x13;
+ rccal_ovrd = true;
+ }
+ }
+ if (rccal_ovrd) {
+ rx2tx_lut_20_11b = (bcap_val_11b << 8) |
+ (scap_val_11b << 3) |
+ lpf_11b;
+ rx2tx_lut_20_11n = (bcap_val_11n_20 << 8) |
+ (scap_val_11n_20 << 3) |
+ lpf_20;
+ rx2tx_lut_40_11n = (bcap_val_11n_40 << 8) |
+ (scap_val_11n_40 << 3) |
+ lpf_40;
+ for (core = 0; core < 2; core++) {
+ b43_ntab_write(dev, B43_NTAB16(7, 0x152 + core * 16),
+ rx2tx_lut_20_11b);
+ b43_ntab_write(dev, B43_NTAB16(7, 0x153 + core * 16),
+ rx2tx_lut_20_11n);
+ b43_ntab_write(dev, B43_NTAB16(7, 0x154 + core * 16),
+ rx2tx_lut_20_11n);
+ b43_ntab_write(dev, B43_NTAB16(7, 0x155 + core * 16),
+ rx2tx_lut_40_11n);
+ b43_ntab_write(dev, B43_NTAB16(7, 0x156 + core * 16),
+ rx2tx_lut_40_11n);
+ b43_ntab_write(dev, B43_NTAB16(7, 0x157 + core * 16),
+ rx2tx_lut_40_11n);
+ b43_ntab_write(dev, B43_NTAB16(7, 0x158 + core * 16),
+ rx2tx_lut_40_11n);
+ b43_ntab_write(dev, B43_NTAB16(7, 0x159 + core * 16),
+ rx2tx_lut_40_11n);
+ }
+ b43_nphy_rf_control_override_rev7(dev, 16, 1, 3, false, 2);
+ }
+ b43_phy_write(dev, 0x32F, 0x3);
+ if (phy->radio_rev == 4 || phy->radio_rev == 6)
+ b43_nphy_rf_control_override_rev7(dev, 4, 1, 3, false, 0);
+
+ if (phy->radio_rev == 3 || phy->radio_rev == 4 || phy->radio_rev == 6) {
+ if (sprom->revision &&
+ sprom->boardflags2_hi & B43_BFH2_IPALVLSHIFT_3P3) {
+ b43_radio_write(dev, 0x5, 0x05);
+ b43_radio_write(dev, 0x6, 0x30);
+ b43_radio_write(dev, 0x7, 0x00);
+ b43_radio_set(dev, 0x4f, 0x1);
+ b43_radio_set(dev, 0xd4, 0x1);
+ bias = 0x1f;
+ conv = 0x6f;
+ filt = 0xaa;
+ } else {
+ bias = 0x2b;
+ conv = 0x7f;
+ filt = 0xee;
+ }
+ if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
+ for (core = 0; core < 2; core++) {
+ if (core == 0) {
+ b43_radio_write(dev, 0x5F, bias);
+ b43_radio_write(dev, 0x64, conv);
+ b43_radio_write(dev, 0x66, filt);
+ } else {
+ b43_radio_write(dev, 0xE8, bias);
+ b43_radio_write(dev, 0xE9, conv);
+ b43_radio_write(dev, 0xEB, filt);
+ }
+ }
+ }
+ }
+
+ if (b43_nphy_ipa(dev)) {
+ if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
+ if (phy->radio_rev == 3 || phy->radio_rev == 4 ||
+ phy->radio_rev == 6) {
+ for (core = 0; core < 2; core++) {
+ if (core == 0)
+ b43_radio_write(dev, 0x51,
+ 0x7f);
+ else
+ b43_radio_write(dev, 0xd6,
+ 0x7f);
+ }
+ }
+ if (phy->radio_rev == 3) {
+ for (core = 0; core < 2; core++) {
+ if (core == 0) {
+ b43_radio_write(dev, 0x64,
+ 0x13);
+ b43_radio_write(dev, 0x5F,
+ 0x1F);
+ b43_radio_write(dev, 0x66,
+ 0xEE);
+ b43_radio_write(dev, 0x59,
+ 0x8A);
+ b43_radio_write(dev, 0x80,
+ 0x3E);
+ } else {
+ b43_radio_write(dev, 0x69,
+ 0x13);
+ b43_radio_write(dev, 0xE8,
+ 0x1F);
+ b43_radio_write(dev, 0xEB,
+ 0xEE);
+ b43_radio_write(dev, 0xDE,
+ 0x8A);
+ b43_radio_write(dev, 0x105,
+ 0x3E);
+ }
+ }
+ } else if (phy->radio_rev == 7 || phy->radio_rev == 8) {
+ if (!phy->is_40mhz) {
+ b43_radio_write(dev, 0x5F, 0x14);
+ b43_radio_write(dev, 0xE8, 0x12);
+ } else {
+ b43_radio_write(dev, 0x5F, 0x16);
+ b43_radio_write(dev, 0xE8, 0x16);
+ }
+ }
+ } else {
+ u16 freq = phy->channel_freq;
+ if ((freq >= 5180 && freq <= 5230) ||
+ (freq >= 5745 && freq <= 5805)) {
+ b43_radio_write(dev, 0x7D, 0xFF);
+ b43_radio_write(dev, 0xFE, 0xFF);
+ }
+ }
+ } else {
+ if (phy->radio_rev != 5) {
+ for (core = 0; core < 2; core++) {
+ if (core == 0) {
+ b43_radio_write(dev, 0x5c, 0x61);
+ b43_radio_write(dev, 0x51, 0x70);
+ } else {
+ b43_radio_write(dev, 0xe1, 0x61);
+ b43_radio_write(dev, 0xd6, 0x70);
+ }
+ }
+ }
+ }
+
+ if (phy->radio_rev == 4) {
+ b43_ntab_write(dev, B43_NTAB16(8, 0x05), 0x20);
+ b43_ntab_write(dev, B43_NTAB16(8, 0x15), 0x20);
+ for (core = 0; core < 2; core++) {
+ if (core == 0) {
+ b43_radio_write(dev, 0x1a1, 0x00);
+ b43_radio_write(dev, 0x1a2, 0x3f);
+ b43_radio_write(dev, 0x1a6, 0x3f);
+ } else {
+ b43_radio_write(dev, 0x1a7, 0x00);
+ b43_radio_write(dev, 0x1ab, 0x3f);
+ b43_radio_write(dev, 0x1ac, 0x3f);
+ }
+ }
+ } else {
+ b43_phy_set(dev, B43_NPHY_AFECTL_C1, 0x4);
+ b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x4);
+ b43_phy_set(dev, B43_NPHY_AFECTL_C2, 0x4);
+ b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x4);
+
+ b43_phy_mask(dev, B43_NPHY_AFECTL_C1, ~0x1);
+ b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x1);
+ b43_phy_mask(dev, B43_NPHY_AFECTL_C2, ~0x1);
+ b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x1);
+ b43_ntab_write(dev, B43_NTAB16(8, 0x05), 0x20);
+ b43_ntab_write(dev, B43_NTAB16(8, 0x15), 0x20);
+
+ b43_phy_mask(dev, B43_NPHY_AFECTL_C1, ~0x4);
+ b43_phy_mask(dev, B43_NPHY_AFECTL_OVER1, ~0x4);
+ b43_phy_mask(dev, B43_NPHY_AFECTL_C2, ~0x4);
+ b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, ~0x4);
+ }
+
+ b43_phy_write(dev, B43_NPHY_ENDROP_TLEN, 0x2);
+
+ b43_ntab_write(dev, B43_NTAB32(16, 0x100), 20);
+ b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x138), 2, ntab7_138_146);
+ b43_ntab_write(dev, B43_NTAB16(7, 0x141), 0x77);
+ b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x133), 3, ntab7_133);
+ b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x146), 2, ntab7_138_146);
+ b43_ntab_write(dev, B43_NTAB16(7, 0x123), 0x77);
+ b43_ntab_write(dev, B43_NTAB16(7, 0x12A), 0x77);
+
+ if (!phy->is_40mhz) {
+ b43_ntab_write(dev, B43_NTAB32(16, 0x03), 0x18D);
+ b43_ntab_write(dev, B43_NTAB32(16, 0x7F), 0x18D);
+ } else {
+ b43_ntab_write(dev, B43_NTAB32(16, 0x03), 0x14D);
+ b43_ntab_write(dev, B43_NTAB32(16, 0x7F), 0x14D);
+ }
+
+ b43_nphy_gain_ctl_workarounds(dev);
+
+ /* TODO
+ b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x08), 4,
+ aux_adc_vmid_rev7_core0);
+ b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x18), 4,
+ aux_adc_vmid_rev7_core1);
+ b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x0C), 4,
+ aux_adc_gain_rev7);
+ b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x1C), 4,
+ aux_adc_gain_rev7);
+ */
+}
+
static void b43_nphy_workarounds_rev3plus(struct b43_wldev *dev)
{
struct b43_phy_n *nphy = dev->phy.n;
rx2tx_delays[6] = 1;
rx2tx_events[7] = 0x1F;
}
- b43_nphy_set_rf_sequence(dev, 1, rx2tx_events, rx2tx_delays,
+ b43_nphy_set_rf_sequence(dev, 0, rx2tx_events, rx2tx_delays,
ARRAY_SIZE(rx2tx_events));
}
b43_phy_maskset(dev, 0x294, 0xF0FF, 0x0700);
- b43_ntab_write(dev, B43_NTAB32(16, 3), 0x18D);
- b43_ntab_write(dev, B43_NTAB32(16, 127), 0x18D);
+ if (!dev->phy.is_40mhz) {
+ b43_ntab_write(dev, B43_NTAB32(16, 3), 0x18D);
+ b43_ntab_write(dev, B43_NTAB32(16, 127), 0x18D);
+ } else {
+ b43_ntab_write(dev, B43_NTAB32(16, 3), 0x14D);
+ b43_ntab_write(dev, B43_NTAB32(16, 127), 0x14D);
+ }
b43_nphy_gain_ctl_workarounds(dev);
b43_ntab_write(dev, B43_NTAB32(30, 3), tmp32);
if (dev->phy.rev == 4 &&
- b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
+ b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
b43_radio_write(dev, B2056_TX0 | B2056_TX_GMBB_IDAC,
0x70);
b43_radio_write(dev, B2056_TX1 | B2056_TX_GMBB_IDAC,
0x70);
}
+ /* Dropped probably-always-true condition */
b43_phy_write(dev, 0x224, 0x03eb);
b43_phy_write(dev, 0x225, 0x03eb);
b43_phy_write(dev, 0x226, 0x0341);
b43_phy_write(dev, 0x22d, 0x042b);
b43_phy_write(dev, 0x22e, 0x0381);
b43_phy_write(dev, 0x22f, 0x0381);
+
+ if (dev->phy.rev >= 6 && sprom->boardflags2_lo & B43_BFL2_SINGLEANT_CCK)
+ ; /* TODO: 0x0080000000000000 HF */
}
static void b43_nphy_workarounds_rev1_2(struct b43_wldev *dev)
u8 events2[7] = { 0x0, 0x3, 0x5, 0x4, 0x2, 0x1, 0x8 };
u8 delays2[7] = { 0x8, 0x6, 0x2, 0x4, 0x4, 0x6, 0x1 };
+ if (sprom->boardflags2_lo & B43_BFL2_SKWRKFEM_BRD ||
+ dev->dev->board_type == 0x8B) {
+ delays1[0] = 0x1;
+ delays1[5] = 0x14;
+ }
+
if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ &&
nphy->band5g_pwrgain) {
b43_radio_mask(dev, B2055_C1_TX_RF_SPARE, ~0x8);
b43_ntab_write(dev, B43_NTAB16(8, 0x00), 0x000A);
b43_ntab_write(dev, B43_NTAB16(8, 0x10), 0x000A);
- b43_ntab_write(dev, B43_NTAB16(8, 0x02), 0xCDAA);
- b43_ntab_write(dev, B43_NTAB16(8, 0x12), 0xCDAA);
+ if (dev->phy.rev < 3) {
+ b43_ntab_write(dev, B43_NTAB16(8, 0x02), 0xCDAA);
+ b43_ntab_write(dev, B43_NTAB16(8, 0x12), 0xCDAA);
+ }
if (dev->phy.rev < 2) {
b43_ntab_write(dev, B43_NTAB16(8, 0x08), 0x0000);
b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO2, 0x2D8);
b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, 0x301);
- if (sprom->boardflags2_lo & B43_BFL2_SKWRKFEM_BRD &&
- dev->dev->board_type == 0x8B) {
- delays1[0] = 0x1;
- delays1[5] = 0x14;
- }
b43_nphy_set_rf_sequence(dev, 0, events1, delays1, 7);
b43_nphy_set_rf_sequence(dev, 1, events2, delays2, 7);
b43_phy_write(dev, B43_NPHY_PHASETR_B1, 0xCD);
b43_phy_write(dev, B43_NPHY_PHASETR_B2, 0x20);
- b43_phy_mask(dev, B43_NPHY_PIL_DW1,
- ~B43_NPHY_PIL_DW_64QAM & 0xFFFF);
- b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B1, 0xB5);
- b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B2, 0xA4);
- b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B3, 0x00);
+ if (dev->phy.rev < 3) {
+ b43_phy_mask(dev, B43_NPHY_PIL_DW1,
+ ~B43_NPHY_PIL_DW_64QAM & 0xFFFF);
+ b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B1, 0xB5);
+ b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B2, 0xA4);
+ b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B3, 0x00);
+ }
if (dev->phy.rev == 2)
b43_phy_set(dev, B43_NPHY_FINERX2_CGC,
b43_phy_set(dev, B43_NPHY_IQFLIP,
B43_NPHY_IQFLIP_ADC1 | B43_NPHY_IQFLIP_ADC2);
- if (dev->phy.rev >= 3)
+ if (dev->phy.rev >= 7)
+ b43_nphy_workarounds_rev7plus(dev);
+ else if (dev->phy.rev >= 3)
b43_nphy_workarounds_rev3plus(dev);
else
b43_nphy_workarounds_rev1_2(dev);
b43_nphy_ipa_internal_tssi_setup(dev);
if (phy->rev >= 7)
- ; /* TODO: Override Rev7 with 0x2000, 0, 3, 0, 0 as arguments */
+ b43_nphy_rf_control_override_rev7(dev, 0x2000, 0, 3, false, 0);
else if (phy->rev >= 3)
b43_nphy_rf_control_override(dev, 0x2000, 0, 3, false);
b43_nphy_rssi_select(dev, 0, 0);
if (phy->rev >= 7)
- ; /* TODO: Override Rev7 with 0x2000, 0, 3, 1, 0 as arguments */
+ b43_nphy_rf_control_override_rev7(dev, 0x2000, 0, 3, true, 0);
else if (phy->rev >= 3)
b43_nphy_rf_control_override(dev, 0x2000, 0, 3, true);
nphy->hang_avoid = (phy->rev == 3 || phy->rev == 4);
nphy->spur_avoid = (phy->rev >= 3) ?
B43_SPUR_AVOID_AUTO : B43_SPUR_AVOID_DISABLE;
+ nphy->init_por = true;
nphy->gain_boost = true; /* this way we follow wl, assume it is true */
nphy->txrx_chain = 2; /* sth different than 0 and 1 for now */
nphy->phyrxchain = 3; /* to avoid b43_nphy_set_rx_core_state like wl */
nphy->ipa2g_on = sprom->fem.ghz2.extpa_gain == 2;
nphy->ipa5g_on = sprom->fem.ghz5.extpa_gain == 2;
}
+
+ nphy->init_por = true;
}
static void b43_nphy_op_free(struct b43_wldev *dev)
if (blocked) {
b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
~B43_NPHY_RFCTL_CMD_CHIP0PU);
- if (dev->phy.rev >= 3) {
+ if (dev->phy.rev >= 7) {
+ /* TODO */
+ } else if (dev->phy.rev >= 3) {
b43_radio_mask(dev, 0x09, ~0x2);
b43_radio_write(dev, 0x204D, 0);
b43_radio_write(dev, 0x3064, 0);
}
} else {
- if (dev->phy.rev >= 3) {
+ if (dev->phy.rev >= 7) {
+ b43_radio_2057_init(dev);
+ b43_switch_channel(dev, dev->phy.channel);
+ } else if (dev->phy.rev >= 3) {
b43_radio_init2056(dev);
b43_switch_channel(dev, dev->phy.channel);
} else {
u16 papd_epsilon_offset[2];
s32 preamble_override;
u32 bb_mult_save;
+ bool init_por;
bool gain_boost;
bool elna_gain_config;
--- /dev/null
+/*
+
+ Broadcom B43 wireless driver
+ IEEE 802.11n 2057 radio device data tables
+
+ Copyright (c) 2010 Rafał Miłecki <zajec5@gmail.com>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; see the file COPYING. If not, write to
+ the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
+ Boston, MA 02110-1301, USA.
+
+*/
+
+#include "b43.h"
+#include "radio_2057.h"
+#include "phy_common.h"
+
+static u16 r2057_rev4_init[42][2] = {
+ { 0x0E, 0x20 }, { 0x31, 0x00 }, { 0x32, 0x00 }, { 0x33, 0x00 },
+ { 0x35, 0x26 }, { 0x3C, 0xff }, { 0x3D, 0xff }, { 0x3E, 0xff },
+ { 0x3F, 0xff }, { 0x62, 0x33 }, { 0x8A, 0xf0 }, { 0x8B, 0x10 },
+ { 0x8C, 0xf0 }, { 0x91, 0x3f }, { 0x92, 0x36 }, { 0xA4, 0x8c },
+ { 0xA8, 0x55 }, { 0xAF, 0x01 }, { 0x10F, 0xf0 }, { 0x110, 0x10 },
+ { 0x111, 0xf0 }, { 0x116, 0x3f }, { 0x117, 0x36 }, { 0x129, 0x8c },
+ { 0x12D, 0x55 }, { 0x134, 0x01 }, { 0x15E, 0x00 }, { 0x15F, 0x00 },
+ { 0x160, 0x00 }, { 0x161, 0x00 }, { 0x162, 0x00 }, { 0x163, 0x00 },
+ { 0x169, 0x02 }, { 0x16A, 0x00 }, { 0x16B, 0x00 }, { 0x16C, 0x00 },
+ { 0x1A4, 0x00 }, { 0x1A5, 0x00 }, { 0x1A6, 0x00 }, { 0x1AA, 0x00 },
+ { 0x1AB, 0x00 }, { 0x1AC, 0x00 },
+};
+
+static u16 r2057_rev5_init[44][2] = {
+ { 0x00, 0x00 }, { 0x01, 0x57 }, { 0x02, 0x20 }, { 0x23, 0x6 },
+ { 0x31, 0x00 }, { 0x32, 0x00 }, { 0x33, 0x00 }, { 0x51, 0x70 },
+ { 0x59, 0x88 }, { 0x5C, 0x20 }, { 0x62, 0x33 }, { 0x63, 0x0f },
+ { 0x64, 0x0f }, { 0x81, 0x01 }, { 0x91, 0x3f }, { 0x92, 0x36 },
+ { 0xA1, 0x20 }, { 0xD6, 0x70 }, { 0xDE, 0x88 }, { 0xE1, 0x20 },
+ { 0xE8, 0x0f }, { 0xE9, 0x0f }, { 0x106, 0x01 }, { 0x116, 0x3f },
+ { 0x117, 0x36 }, { 0x126, 0x20 }, { 0x15E, 0x00 }, { 0x15F, 0x00 },
+ { 0x160, 0x00 }, { 0x161, 0x00 }, { 0x162, 0x00 }, { 0x163, 0x00 },
+ { 0x16A, 0x00 }, { 0x16B, 0x00 }, { 0x16C, 0x00 }, { 0x1A4, 0x00 },
+ { 0x1A5, 0x00 }, { 0x1A6, 0x00 }, { 0x1AA, 0x00 }, { 0x1AB, 0x00 },
+ { 0x1AC, 0x00 }, { 0x1B7, 0x0c }, { 0x1C1, 0x01 }, { 0x1C2, 0x80 },
+};
+
+static u16 r2057_rev5a_init[45][2] = {
+ { 0x00, 0x15 }, { 0x01, 0x57 }, { 0x02, 0x20 }, { 0x23, 0x6 },
+ { 0x31, 0x00 }, { 0x32, 0x00 }, { 0x33, 0x00 }, { 0x51, 0x70 },
+ { 0x59, 0x88 }, { 0x5C, 0x20 }, { 0x62, 0x33 }, { 0x63, 0x0f },
+ { 0x64, 0x0f }, { 0x81, 0x01 }, { 0x91, 0x3f }, { 0x92, 0x36 },
+ { 0xC9, 0x01 }, { 0xD6, 0x70 }, { 0xDE, 0x88 }, { 0xE1, 0x20 },
+ { 0xE8, 0x0f }, { 0xE9, 0x0f }, { 0x106, 0x01 }, { 0x116, 0x3f },
+ { 0x117, 0x36 }, { 0x126, 0x20 }, { 0x14E, 0x01 }, { 0x15E, 0x00 },
+ { 0x15F, 0x00 }, { 0x160, 0x00 }, { 0x161, 0x00 }, { 0x162, 0x00 },
+ { 0x163, 0x00 }, { 0x16A, 0x00 }, { 0x16B, 0x00 }, { 0x16C, 0x00 },
+ { 0x1A4, 0x00 }, { 0x1A5, 0x00 }, { 0x1A6, 0x00 }, { 0x1AA, 0x00 },
+ { 0x1AB, 0x00 }, { 0x1AC, 0x00 }, { 0x1B7, 0x0c }, { 0x1C1, 0x01 },
+ { 0x1C2, 0x80 },
+};
+
+static u16 r2057_rev7_init[54][2] = {
+ { 0x00, 0x00 }, { 0x01, 0x57 }, { 0x02, 0x20 }, { 0x31, 0x00 },
+ { 0x32, 0x00 }, { 0x33, 0x00 }, { 0x51, 0x70 }, { 0x59, 0x88 },
+ { 0x5C, 0x20 }, { 0x62, 0x33 }, { 0x63, 0x0f }, { 0x64, 0x13 },
+ { 0x66, 0xee }, { 0x6E, 0x58 }, { 0x75, 0x13 }, { 0x7B, 0x13 },
+ { 0x7C, 0x14 }, { 0x7D, 0xee }, { 0x81, 0x01 }, { 0x91, 0x3f },
+ { 0x92, 0x36 }, { 0xA1, 0x20 }, { 0xD6, 0x70 }, { 0xDE, 0x88 },
+ { 0xE1, 0x20 }, { 0xE8, 0x0f }, { 0xE9, 0x13 }, { 0xEB, 0xee },
+ { 0xF3, 0x58 }, { 0xFA, 0x13 }, { 0x100, 0x13 }, { 0x101, 0x14 },
+ { 0x102, 0xee }, { 0x106, 0x01 }, { 0x116, 0x3f }, { 0x117, 0x36 },
+ { 0x126, 0x20 }, { 0x15E, 0x00 }, { 0x15F, 0x00 }, { 0x160, 0x00 },
+ { 0x161, 0x00 }, { 0x162, 0x00 }, { 0x163, 0x00 }, { 0x16A, 0x00 },
+ { 0x16B, 0x00 }, { 0x16C, 0x00 }, { 0x1A4, 0x00 }, { 0x1A5, 0x00 },
+ { 0x1A6, 0x00 }, { 0x1AA, 0x00 }, { 0x1AB, 0x00 }, { 0x1AC, 0x00 },
+ { 0x1B7, 0x05 }, { 0x1C2, 0xa0 },
+};
+
+static u16 r2057_rev8_init[54][2] = {
+ { 0x00, 0x08 }, { 0x01, 0x57 }, { 0x02, 0x20 }, { 0x31, 0x00 },
+ { 0x32, 0x00 }, { 0x33, 0x00 }, { 0x51, 0x70 }, { 0x59, 0x88 },
+ { 0x5C, 0x20 }, { 0x62, 0x33 }, { 0x63, 0x0f }, { 0x64, 0x0f },
+ { 0x6E, 0x58 }, { 0x75, 0x13 }, { 0x7B, 0x13 }, { 0x7C, 0x0f },
+ { 0x7D, 0xee }, { 0x81, 0x01 }, { 0x91, 0x3f }, { 0x92, 0x36 },
+ { 0xA1, 0x20 }, { 0xC9, 0x01 }, { 0xD6, 0x70 }, { 0xDE, 0x88 },
+ { 0xE1, 0x20 }, { 0xE8, 0x0f }, { 0xE9, 0x0f }, { 0xF3, 0x58 },
+ { 0xFA, 0x13 }, { 0x100, 0x13 }, { 0x101, 0x0f }, { 0x102, 0xee },
+ { 0x106, 0x01 }, { 0x116, 0x3f }, { 0x117, 0x36 }, { 0x126, 0x20 },
+ { 0x14E, 0x01 }, { 0x15E, 0x00 }, { 0x15F, 0x00 }, { 0x160, 0x00 },
+ { 0x161, 0x00 }, { 0x162, 0x00 }, { 0x163, 0x00 }, { 0x16A, 0x00 },
+ { 0x16B, 0x00 }, { 0x16C, 0x00 }, { 0x1A4, 0x00 }, { 0x1A5, 0x00 },
+ { 0x1A6, 0x00 }, { 0x1AA, 0x00 }, { 0x1AB, 0x00 }, { 0x1AC, 0x00 },
+ { 0x1B7, 0x05 }, { 0x1C2, 0xa0 },
+};
+
+void r2057_upload_inittabs(struct b43_wldev *dev)
+{
+ struct b43_phy *phy = &dev->phy;
+ u16 *table = NULL;
+ u16 size, i;
+
+ if (phy->rev == 7) {
+ table = r2057_rev4_init[0];
+ size = ARRAY_SIZE(r2057_rev4_init);
+ } else if (phy->rev == 8 || phy->rev == 9) {
+ if (phy->radio_rev == 5) {
+ if (phy->radio_rev == 8) {
+ table = r2057_rev5_init[0];
+ size = ARRAY_SIZE(r2057_rev5_init);
+ } else {
+ table = r2057_rev5a_init[0];
+ size = ARRAY_SIZE(r2057_rev5a_init);
+ }
+ } else if (phy->radio_rev == 7) {
+ table = r2057_rev7_init[0];
+ size = ARRAY_SIZE(r2057_rev7_init);
+ } else if (phy->radio_rev == 9) {
+ table = r2057_rev8_init[0];
+ size = ARRAY_SIZE(r2057_rev8_init);
+ }
+ }
+
+ if (table) {
+ for (i = 0; i < 10; i++) {
+ pr_info("radio_write 0x%X ", *table);
+ table++;
+ pr_info("0x%X\n", *table);
+ table++;
+ }
+ }
+}
--- /dev/null
+#ifndef B43_RADIO_2057_H_
+#define B43_RADIO_2057_H_
+
+#include <linux/types.h>
+
+#include "tables_nphy.h"
+
+#define R2057_DACBUF_VINCM_CORE0 0x000
+#define R2057_IDCODE 0x001
+#define R2057_RCCAL_MASTER 0x002
+#define R2057_RCCAL_CAP_SIZE 0x003
+#define R2057_RCAL_CONFIG 0x004
+#define R2057_GPAIO_CONFIG 0x005
+#define R2057_GPAIO_SEL1 0x006
+#define R2057_GPAIO_SEL0 0x007
+#define R2057_CLPO_CONFIG 0x008
+#define R2057_BANDGAP_CONFIG 0x009
+#define R2057_BANDGAP_RCAL_TRIM 0x00a
+#define R2057_AFEREG_CONFIG 0x00b
+#define R2057_TEMPSENSE_CONFIG 0x00c
+#define R2057_XTAL_CONFIG1 0x00d
+#define R2057_XTAL_ICORE_SIZE 0x00e
+#define R2057_XTAL_BUF_SIZE 0x00f
+#define R2057_XTAL_PULLCAP_SIZE 0x010
+#define R2057_RFPLL_MASTER 0x011
+#define R2057_VCOMONITOR_VTH_L 0x012
+#define R2057_VCOMONITOR_VTH_H 0x013
+#define R2057_VCOCAL_BIASRESET_RFPLLREG_VOUT 0x014
+#define R2057_VCO_VARCSIZE_IDAC 0x015
+#define R2057_VCOCAL_COUNTVAL0 0x016
+#define R2057_VCOCAL_COUNTVAL1 0x017
+#define R2057_VCOCAL_INTCLK_COUNT 0x018
+#define R2057_VCOCAL_MASTER 0x019
+#define R2057_VCOCAL_NUMCAPCHANGE 0x01a
+#define R2057_VCOCAL_WINSIZE 0x01b
+#define R2057_VCOCAL_DELAY_AFTER_REFRESH 0x01c
+#define R2057_VCOCAL_DELAY_AFTER_CLOSELOOP 0x01d
+#define R2057_VCOCAL_DELAY_AFTER_OPENLOOP 0x01e
+#define R2057_VCOCAL_DELAY_BEFORE_OPENLOOP 0x01f
+#define R2057_VCO_FORCECAPEN_FORCECAP1 0x020
+#define R2057_VCO_FORCECAP0 0x021
+#define R2057_RFPLL_REFMASTER_SPAREXTALSIZE 0x022
+#define R2057_RFPLL_PFD_RESET_PW 0x023
+#define R2057_RFPLL_LOOPFILTER_R2 0x024
+#define R2057_RFPLL_LOOPFILTER_R1 0x025
+#define R2057_RFPLL_LOOPFILTER_C3 0x026
+#define R2057_RFPLL_LOOPFILTER_C2 0x027
+#define R2057_RFPLL_LOOPFILTER_C1 0x028
+#define R2057_CP_KPD_IDAC 0x029
+#define R2057_RFPLL_IDACS 0x02a
+#define R2057_RFPLL_MISC_EN 0x02b
+#define R2057_RFPLL_MMD0 0x02c
+#define R2057_RFPLL_MMD1 0x02d
+#define R2057_RFPLL_MISC_CAL_RESETN 0x02e
+#define R2057_JTAGXTAL_SIZE_CPBIAS_FILTRES 0x02f
+#define R2057_VCO_ALCREF_BBPLLXTAL_SIZE 0x030
+#define R2057_VCOCAL_READCAP0 0x031
+#define R2057_VCOCAL_READCAP1 0x032
+#define R2057_VCOCAL_STATUS 0x033
+#define R2057_LOGEN_PUS 0x034
+#define R2057_LOGEN_PTAT_RESETS 0x035
+#define R2057_VCOBUF_IDACS 0x036
+#define R2057_VCOBUF_TUNE 0x037
+#define R2057_CMOSBUF_TX2GQ_IDACS 0x038
+#define R2057_CMOSBUF_TX2GI_IDACS 0x039
+#define R2057_CMOSBUF_TX5GQ_IDACS 0x03a
+#define R2057_CMOSBUF_TX5GI_IDACS 0x03b
+#define R2057_CMOSBUF_RX2GQ_IDACS 0x03c
+#define R2057_CMOSBUF_RX2GI_IDACS 0x03d
+#define R2057_CMOSBUF_RX5GQ_IDACS 0x03e
+#define R2057_CMOSBUF_RX5GI_IDACS 0x03f
+#define R2057_LOGEN_MX2G_IDACS 0x040
+#define R2057_LOGEN_MX2G_TUNE 0x041
+#define R2057_LOGEN_MX5G_IDACS 0x042
+#define R2057_LOGEN_MX5G_TUNE 0x043
+#define R2057_LOGEN_MX5G_RCCR 0x044
+#define R2057_LOGEN_INDBUF2G_IDAC 0x045
+#define R2057_LOGEN_INDBUF2G_IBOOST 0x046
+#define R2057_LOGEN_INDBUF2G_TUNE 0x047
+#define R2057_LOGEN_INDBUF5G_IDAC 0x048
+#define R2057_LOGEN_INDBUF5G_IBOOST 0x049
+#define R2057_LOGEN_INDBUF5G_TUNE 0x04a
+#define R2057_CMOSBUF_TX_RCCR 0x04b
+#define R2057_CMOSBUF_RX_RCCR 0x04c
+#define R2057_LOGEN_SEL_PKDET 0x04d
+#define R2057_CMOSBUF_SHAREIQ_PTAT 0x04e
+#define R2057_RXTXBIAS_CONFIG_CORE0 0x04f
+#define R2057_TXGM_TXRF_PUS_CORE0 0x050
+#define R2057_TXGM_IDAC_BLEED_CORE0 0x051
+#define R2057_TXGM_GAIN_CORE0 0x056
+#define R2057_TXGM2G_PKDET_PUS_CORE0 0x057
+#define R2057_PAD2G_PTATS_CORE0 0x058
+#define R2057_PAD2G_IDACS_CORE0 0x059
+#define R2057_PAD2G_BOOST_PU_CORE0 0x05a
+#define R2057_PAD2G_CASCV_GAIN_CORE0 0x05b
+#define R2057_TXMIX2G_TUNE_BOOST_PU_CORE0 0x05c
+#define R2057_TXMIX2G_LODC_CORE0 0x05d
+#define R2057_PAD2G_TUNE_PUS_CORE0 0x05e
+#define R2057_IPA2G_GAIN_CORE0 0x05f
+#define R2057_TSSI2G_SPARE1_CORE0 0x060
+#define R2057_TSSI2G_SPARE2_CORE0 0x061
+#define R2057_IPA2G_TUNEV_CASCV_PTAT_CORE0 0x062
+#define R2057_IPA2G_IMAIN_CORE0 0x063
+#define R2057_IPA2G_CASCONV_CORE0 0x064
+#define R2057_IPA2G_CASCOFFV_CORE0 0x065
+#define R2057_IPA2G_BIAS_FILTER_CORE0 0x066
+#define R2057_TX5G_PKDET_CORE0 0x069
+#define R2057_PGA_PTAT_TXGM5G_PU_CORE0 0x06a
+#define R2057_PAD5G_PTATS1_CORE0 0x06b
+#define R2057_PAD5G_CLASS_PTATS2_CORE0 0x06c
+#define R2057_PGA_BOOSTPTAT_IMAIN_CORE0 0x06d
+#define R2057_PAD5G_CASCV_IMAIN_CORE0 0x06e
+#define R2057_TXMIX5G_IBOOST_PAD_IAUX_CORE0 0x06f
+#define R2057_PGA_BOOST_TUNE_CORE0 0x070
+#define R2057_PGA_GAIN_CORE0 0x071
+#define R2057_PAD5G_CASCOFFV_GAIN_PUS_CORE0 0x072
+#define R2057_TXMIX5G_BOOST_TUNE_CORE0 0x073
+#define R2057_PAD5G_TUNE_MISC_PUS_CORE0 0x074
+#define R2057_IPA5G_IAUX_CORE0 0x075
+#define R2057_IPA5G_GAIN_CORE0 0x076
+#define R2057_TSSI5G_SPARE1_CORE0 0x077
+#define R2057_TSSI5G_SPARE2_CORE0 0x078
+#define R2057_IPA5G_CASCOFFV_PU_CORE0 0x079
+#define R2057_IPA5G_PTAT_CORE0 0x07a
+#define R2057_IPA5G_IMAIN_CORE0 0x07b
+#define R2057_IPA5G_CASCONV_CORE0 0x07c
+#define R2057_IPA5G_BIAS_FILTER_CORE0 0x07d
+#define R2057_PAD_BIAS_FILTER_BWS_CORE0 0x080
+#define R2057_TR2G_CONFIG1_CORE0_NU 0x081
+#define R2057_TR2G_CONFIG2_CORE0_NU 0x082
+#define R2057_LNA5G_RFEN_CORE0 0x083
+#define R2057_TR5G_CONFIG2_CORE0_NU 0x084
+#define R2057_RXRFBIAS_IBOOST_PU_CORE0 0x085
+#define R2057_RXRF_IABAND_RXGM_IMAIN_PTAT_CORE0 0x086
+#define R2057_RXGM_CMFBITAIL_AUXPTAT_CORE0 0x087
+#define R2057_RXMIX_ICORE_RXGM_IAUX_CORE0 0x088
+#define R2057_RXMIX_CMFBITAIL_PU_CORE0 0x089
+#define R2057_LNA2_IMAIN_PTAT_PU_CORE0 0x08a
+#define R2057_LNA2_IAUX_PTAT_CORE0 0x08b
+#define R2057_LNA1_IMAIN_PTAT_PU_CORE0 0x08c
+#define R2057_LNA15G_INPUT_MATCH_TUNE_CORE0 0x08d
+#define R2057_RXRFBIAS_BANDSEL_CORE0 0x08e
+#define R2057_TIA_CONFIG_CORE0 0x08f
+#define R2057_TIA_IQGAIN_CORE0 0x090
+#define R2057_TIA_IBIAS2_CORE0 0x091
+#define R2057_TIA_IBIAS1_CORE0 0x092
+#define R2057_TIA_SPARE_Q_CORE0 0x093
+#define R2057_TIA_SPARE_I_CORE0 0x094
+#define R2057_RXMIX2G_PUS_CORE0 0x095
+#define R2057_RXMIX2G_VCMREFS_CORE0 0x096
+#define R2057_RXMIX2G_LODC_QI_CORE0 0x097
+#define R2057_W12G_BW_LNA2G_PUS_CORE0 0x098
+#define R2057_LNA2G_GAIN_CORE0 0x099
+#define R2057_LNA2G_TUNE_CORE0 0x09a
+#define R2057_RXMIX5G_PUS_CORE0 0x09b
+#define R2057_RXMIX5G_VCMREFS_CORE0 0x09c
+#define R2057_RXMIX5G_LODC_QI_CORE0 0x09d
+#define R2057_W15G_BW_LNA5G_PUS_CORE0 0x09e
+#define R2057_LNA5G_GAIN_CORE0 0x09f
+#define R2057_LNA5G_TUNE_CORE0 0x0a0
+#define R2057_LPFSEL_TXRX_RXBB_PUS_CORE0 0x0a1
+#define R2057_RXBB_BIAS_MASTER_CORE0 0x0a2
+#define R2057_RXBB_VGABUF_IDACS_CORE0 0x0a3
+#define R2057_LPF_VCMREF_TXBUF_VCMREF_CORE0 0x0a4
+#define R2057_TXBUF_VINCM_CORE0 0x0a5
+#define R2057_TXBUF_IDACS_CORE0 0x0a6
+#define R2057_LPF_RESP_RXBUF_BW_CORE0 0x0a7
+#define R2057_RXBB_CC_CORE0 0x0a8
+#define R2057_RXBB_SPARE3_CORE0 0x0a9
+#define R2057_RXBB_RCCAL_HPC_CORE0 0x0aa
+#define R2057_LPF_IDACS_CORE0 0x0ab
+#define R2057_LPFBYP_DCLOOP_BYP_IDAC_CORE0 0x0ac
+#define R2057_TXBUF_GAIN_CORE0 0x0ad
+#define R2057_AFELOOPBACK_AACI_RESP_CORE0 0x0ae
+#define R2057_RXBUF_DEGEN_CORE0 0x0af
+#define R2057_RXBB_SPARE2_CORE0 0x0b0
+#define R2057_RXBB_SPARE1_CORE0 0x0b1
+#define R2057_RSSI_MASTER_CORE0 0x0b2
+#define R2057_W2_MASTER_CORE0 0x0b3
+#define R2057_NB_MASTER_CORE0 0x0b4
+#define R2057_W2_IDACS0_Q_CORE0 0x0b5
+#define R2057_W2_IDACS1_Q_CORE0 0x0b6
+#define R2057_W2_IDACS0_I_CORE0 0x0b7
+#define R2057_W2_IDACS1_I_CORE0 0x0b8
+#define R2057_RSSI_GPAIOSEL_W1_IDACS_CORE0 0x0b9
+#define R2057_NB_IDACS_Q_CORE0 0x0ba
+#define R2057_NB_IDACS_I_CORE0 0x0bb
+#define R2057_BACKUP4_CORE0 0x0c1
+#define R2057_BACKUP3_CORE0 0x0c2
+#define R2057_BACKUP2_CORE0 0x0c3
+#define R2057_BACKUP1_CORE0 0x0c4
+#define R2057_SPARE16_CORE0 0x0c5
+#define R2057_SPARE15_CORE0 0x0c6
+#define R2057_SPARE14_CORE0 0x0c7
+#define R2057_SPARE13_CORE0 0x0c8
+#define R2057_SPARE12_CORE0 0x0c9
+#define R2057_SPARE11_CORE0 0x0ca
+#define R2057_TX2G_BIAS_RESETS_CORE0 0x0cb
+#define R2057_TX5G_BIAS_RESETS_CORE0 0x0cc
+#define R2057_IQTEST_SEL_PU 0x0cd
+#define R2057_XTAL_CONFIG2 0x0ce
+#define R2057_BUFS_MISC_LPFBW_CORE0 0x0cf
+#define R2057_TXLPF_RCCAL_CORE0 0x0d0
+#define R2057_RXBB_GPAIOSEL_RXLPF_RCCAL_CORE0 0x0d1
+#define R2057_LPF_GAIN_CORE0 0x0d2
+#define R2057_DACBUF_IDACS_BW_CORE0 0x0d3
+#define R2057_RXTXBIAS_CONFIG_CORE1 0x0d4
+#define R2057_TXGM_TXRF_PUS_CORE1 0x0d5
+#define R2057_TXGM_IDAC_BLEED_CORE1 0x0d6
+#define R2057_TXGM_GAIN_CORE1 0x0db
+#define R2057_TXGM2G_PKDET_PUS_CORE1 0x0dc
+#define R2057_PAD2G_PTATS_CORE1 0x0dd
+#define R2057_PAD2G_IDACS_CORE1 0x0de
+#define R2057_PAD2G_BOOST_PU_CORE1 0x0df
+#define R2057_PAD2G_CASCV_GAIN_CORE1 0x0e0
+#define R2057_TXMIX2G_TUNE_BOOST_PU_CORE1 0x0e1
+#define R2057_TXMIX2G_LODC_CORE1 0x0e2
+#define R2057_PAD2G_TUNE_PUS_CORE1 0x0e3
+#define R2057_IPA2G_GAIN_CORE1 0x0e4
+#define R2057_TSSI2G_SPARE1_CORE1 0x0e5
+#define R2057_TSSI2G_SPARE2_CORE1 0x0e6
+#define R2057_IPA2G_TUNEV_CASCV_PTAT_CORE1 0x0e7
+#define R2057_IPA2G_IMAIN_CORE1 0x0e8
+#define R2057_IPA2G_CASCONV_CORE1 0x0e9
+#define R2057_IPA2G_CASCOFFV_CORE1 0x0ea
+#define R2057_IPA2G_BIAS_FILTER_CORE1 0x0eb
+#define R2057_TX5G_PKDET_CORE1 0x0ee
+#define R2057_PGA_PTAT_TXGM5G_PU_CORE1 0x0ef
+#define R2057_PAD5G_PTATS1_CORE1 0x0f0
+#define R2057_PAD5G_CLASS_PTATS2_CORE1 0x0f1
+#define R2057_PGA_BOOSTPTAT_IMAIN_CORE1 0x0f2
+#define R2057_PAD5G_CASCV_IMAIN_CORE1 0x0f3
+#define R2057_TXMIX5G_IBOOST_PAD_IAUX_CORE1 0x0f4
+#define R2057_PGA_BOOST_TUNE_CORE1 0x0f5
+#define R2057_PGA_GAIN_CORE1 0x0f6
+#define R2057_PAD5G_CASCOFFV_GAIN_PUS_CORE1 0x0f7
+#define R2057_TXMIX5G_BOOST_TUNE_CORE1 0x0f8
+#define R2057_PAD5G_TUNE_MISC_PUS_CORE1 0x0f9
+#define R2057_IPA5G_IAUX_CORE1 0x0fa
+#define R2057_IPA5G_GAIN_CORE1 0x0fb
+#define R2057_TSSI5G_SPARE1_CORE1 0x0fc
+#define R2057_TSSI5G_SPARE2_CORE1 0x0fd
+#define R2057_IPA5G_CASCOFFV_PU_CORE1 0x0fe
+#define R2057_IPA5G_PTAT_CORE1 0x0ff
+#define R2057_IPA5G_IMAIN_CORE1 0x100
+#define R2057_IPA5G_CASCONV_CORE1 0x101
+#define R2057_IPA5G_BIAS_FILTER_CORE1 0x102
+#define R2057_PAD_BIAS_FILTER_BWS_CORE1 0x105
+#define R2057_TR2G_CONFIG1_CORE1_NU 0x106
+#define R2057_TR2G_CONFIG2_CORE1_NU 0x107
+#define R2057_LNA5G_RFEN_CORE1 0x108
+#define R2057_TR5G_CONFIG2_CORE1_NU 0x109
+#define R2057_RXRFBIAS_IBOOST_PU_CORE1 0x10a
+#define R2057_RXRF_IABAND_RXGM_IMAIN_PTAT_CORE1 0x10b
+#define R2057_RXGM_CMFBITAIL_AUXPTAT_CORE1 0x10c
+#define R2057_RXMIX_ICORE_RXGM_IAUX_CORE1 0x10d
+#define R2057_RXMIX_CMFBITAIL_PU_CORE1 0x10e
+#define R2057_LNA2_IMAIN_PTAT_PU_CORE1 0x10f
+#define R2057_LNA2_IAUX_PTAT_CORE1 0x110
+#define R2057_LNA1_IMAIN_PTAT_PU_CORE1 0x111
+#define R2057_LNA15G_INPUT_MATCH_TUNE_CORE1 0x112
+#define R2057_RXRFBIAS_BANDSEL_CORE1 0x113
+#define R2057_TIA_CONFIG_CORE1 0x114
+#define R2057_TIA_IQGAIN_CORE1 0x115
+#define R2057_TIA_IBIAS2_CORE1 0x116
+#define R2057_TIA_IBIAS1_CORE1 0x117
+#define R2057_TIA_SPARE_Q_CORE1 0x118
+#define R2057_TIA_SPARE_I_CORE1 0x119
+#define R2057_RXMIX2G_PUS_CORE1 0x11a
+#define R2057_RXMIX2G_VCMREFS_CORE1 0x11b
+#define R2057_RXMIX2G_LODC_QI_CORE1 0x11c
+#define R2057_W12G_BW_LNA2G_PUS_CORE1 0x11d
+#define R2057_LNA2G_GAIN_CORE1 0x11e
+#define R2057_LNA2G_TUNE_CORE1 0x11f
+#define R2057_RXMIX5G_PUS_CORE1 0x120
+#define R2057_RXMIX5G_VCMREFS_CORE1 0x121
+#define R2057_RXMIX5G_LODC_QI_CORE1 0x122
+#define R2057_W15G_BW_LNA5G_PUS_CORE1 0x123
+#define R2057_LNA5G_GAIN_CORE1 0x124
+#define R2057_LNA5G_TUNE_CORE1 0x125
+#define R2057_LPFSEL_TXRX_RXBB_PUS_CORE1 0x126
+#define R2057_RXBB_BIAS_MASTER_CORE1 0x127
+#define R2057_RXBB_VGABUF_IDACS_CORE1 0x128
+#define R2057_LPF_VCMREF_TXBUF_VCMREF_CORE1 0x129
+#define R2057_TXBUF_VINCM_CORE1 0x12a
+#define R2057_TXBUF_IDACS_CORE1 0x12b
+#define R2057_LPF_RESP_RXBUF_BW_CORE1 0x12c
+#define R2057_RXBB_CC_CORE1 0x12d
+#define R2057_RXBB_SPARE3_CORE1 0x12e
+#define R2057_RXBB_RCCAL_HPC_CORE1 0x12f
+#define R2057_LPF_IDACS_CORE1 0x130
+#define R2057_LPFBYP_DCLOOP_BYP_IDAC_CORE1 0x131
+#define R2057_TXBUF_GAIN_CORE1 0x132
+#define R2057_AFELOOPBACK_AACI_RESP_CORE1 0x133
+#define R2057_RXBUF_DEGEN_CORE1 0x134
+#define R2057_RXBB_SPARE2_CORE1 0x135
+#define R2057_RXBB_SPARE1_CORE1 0x136
+#define R2057_RSSI_MASTER_CORE1 0x137
+#define R2057_W2_MASTER_CORE1 0x138
+#define R2057_NB_MASTER_CORE1 0x139
+#define R2057_W2_IDACS0_Q_CORE1 0x13a
+#define R2057_W2_IDACS1_Q_CORE1 0x13b
+#define R2057_W2_IDACS0_I_CORE1 0x13c
+#define R2057_W2_IDACS1_I_CORE1 0x13d
+#define R2057_RSSI_GPAIOSEL_W1_IDACS_CORE1 0x13e
+#define R2057_NB_IDACS_Q_CORE1 0x13f
+#define R2057_NB_IDACS_I_CORE1 0x140
+#define R2057_BACKUP4_CORE1 0x146
+#define R2057_BACKUP3_CORE1 0x147
+#define R2057_BACKUP2_CORE1 0x148
+#define R2057_BACKUP1_CORE1 0x149
+#define R2057_SPARE16_CORE1 0x14a
+#define R2057_SPARE15_CORE1 0x14b
+#define R2057_SPARE14_CORE1 0x14c
+#define R2057_SPARE13_CORE1 0x14d
+#define R2057_SPARE12_CORE1 0x14e
+#define R2057_SPARE11_CORE1 0x14f
+#define R2057_TX2G_BIAS_RESETS_CORE1 0x150
+#define R2057_TX5G_BIAS_RESETS_CORE1 0x151
+#define R2057_SPARE8_CORE1 0x152
+#define R2057_SPARE7_CORE1 0x153
+#define R2057_BUFS_MISC_LPFBW_CORE1 0x154
+#define R2057_TXLPF_RCCAL_CORE1 0x155
+#define R2057_RXBB_GPAIOSEL_RXLPF_RCCAL_CORE1 0x156
+#define R2057_LPF_GAIN_CORE1 0x157
+#define R2057_DACBUF_IDACS_BW_CORE1 0x158
+#define R2057_DACBUF_VINCM_CORE1 0x159
+#define R2057_RCCAL_START_R1_Q1_P1 0x15a
+#define R2057_RCCAL_X1 0x15b
+#define R2057_RCCAL_TRC0 0x15c
+#define R2057_RCCAL_TRC1 0x15d
+#define R2057_RCCAL_DONE_OSCCAP 0x15e
+#define R2057_RCCAL_N0_0 0x15f
+#define R2057_RCCAL_N0_1 0x160
+#define R2057_RCCAL_N1_0 0x161
+#define R2057_RCCAL_N1_1 0x162
+#define R2057_RCAL_STATUS 0x163
+#define R2057_XTALPUOVR_PINCTRL 0x164
+#define R2057_OVR_REG0 0x165
+#define R2057_OVR_REG1 0x166
+#define R2057_OVR_REG2 0x167
+#define R2057_OVR_REG3 0x168
+#define R2057_OVR_REG4 0x169
+#define R2057_RCCAL_SCAP_VAL 0x16a
+#define R2057_RCCAL_BCAP_VAL 0x16b
+#define R2057_RCCAL_HPC_VAL 0x16c
+#define R2057_RCCAL_OVERRIDES 0x16d
+#define R2057_TX0_IQCAL_GAIN_BW 0x170
+#define R2057_TX0_LOFT_FINE_I 0x171
+#define R2057_TX0_LOFT_FINE_Q 0x172
+#define R2057_TX0_LOFT_COARSE_I 0x173
+#define R2057_TX0_LOFT_COARSE_Q 0x174
+#define R2057_TX0_TX_SSI_MASTER 0x175
+#define R2057_TX0_IQCAL_VCM_HG 0x176
+#define R2057_TX0_IQCAL_IDAC 0x177
+#define R2057_TX0_TSSI_VCM 0x178
+#define R2057_TX0_TX_SSI_MUX 0x179
+#define R2057_TX0_TSSIA 0x17a
+#define R2057_TX0_TSSIG 0x17b
+#define R2057_TX0_TSSI_MISC1 0x17c
+#define R2057_TX0_TXRXCOUPLE_2G_ATTEN 0x17d
+#define R2057_TX0_TXRXCOUPLE_2G_PWRUP 0x17e
+#define R2057_TX0_TXRXCOUPLE_5G_ATTEN 0x17f
+#define R2057_TX0_TXRXCOUPLE_5G_PWRUP 0x180
+#define R2057_TX1_IQCAL_GAIN_BW 0x190
+#define R2057_TX1_LOFT_FINE_I 0x191
+#define R2057_TX1_LOFT_FINE_Q 0x192
+#define R2057_TX1_LOFT_COARSE_I 0x193
+#define R2057_TX1_LOFT_COARSE_Q 0x194
+#define R2057_TX1_TX_SSI_MASTER 0x195
+#define R2057_TX1_IQCAL_VCM_HG 0x196
+#define R2057_TX1_IQCAL_IDAC 0x197
+#define R2057_TX1_TSSI_VCM 0x198
+#define R2057_TX1_TX_SSI_MUX 0x199
+#define R2057_TX1_TSSIA 0x19a
+#define R2057_TX1_TSSIG 0x19b
+#define R2057_TX1_TSSI_MISC1 0x19c
+#define R2057_TX1_TXRXCOUPLE_2G_ATTEN 0x19d
+#define R2057_TX1_TXRXCOUPLE_2G_PWRUP 0x19e
+#define R2057_TX1_TXRXCOUPLE_5G_ATTEN 0x19f
+#define R2057_TX1_TXRXCOUPLE_5G_PWRUP 0x1a0
+#define R2057_AFE_VCM_CAL_MASTER_CORE0 0x1a1
+#define R2057_AFE_SET_VCM_I_CORE0 0x1a2
+#define R2057_AFE_SET_VCM_Q_CORE0 0x1a3
+#define R2057_AFE_STATUS_VCM_IQADC_CORE0 0x1a4
+#define R2057_AFE_STATUS_VCM_I_CORE0 0x1a5
+#define R2057_AFE_STATUS_VCM_Q_CORE0 0x1a6
+#define R2057_AFE_VCM_CAL_MASTER_CORE1 0x1a7
+#define R2057_AFE_SET_VCM_I_CORE1 0x1a8
+#define R2057_AFE_SET_VCM_Q_CORE1 0x1a9
+#define R2057_AFE_STATUS_VCM_IQADC_CORE1 0x1aa
+#define R2057_AFE_STATUS_VCM_I_CORE1 0x1ab
+#define R2057_AFE_STATUS_VCM_Q_CORE1 0x1ac
+
+#define R2057v7_DACBUF_VINCM_CORE0 0x1ad
+#define R2057v7_RCCAL_MASTER 0x1ae
+#define R2057v7_TR2G_CONFIG3_CORE0_NU 0x1af
+#define R2057v7_TR2G_CONFIG3_CORE1_NU 0x1b0
+#define R2057v7_LOGEN_PUS1 0x1b1
+#define R2057v7_OVR_REG5 0x1b2
+#define R2057v7_OVR_REG6 0x1b3
+#define R2057v7_OVR_REG7 0x1b4
+#define R2057v7_OVR_REG8 0x1b5
+#define R2057v7_OVR_REG9 0x1b6
+#define R2057v7_OVR_REG10 0x1b7
+#define R2057v7_OVR_REG11 0x1b8
+#define R2057v7_OVR_REG12 0x1b9
+#define R2057v7_OVR_REG13 0x1ba
+#define R2057v7_OVR_REG14 0x1bb
+#define R2057v7_OVR_REG15 0x1bc
+#define R2057v7_OVR_REG16 0x1bd
+#define R2057v7_OVR_REG1 0x1be
+#define R2057v7_OVR_REG18 0x1bf
+#define R2057v7_OVR_REG19 0x1c0
+#define R2057v7_OVR_REG20 0x1c1
+#define R2057v7_OVR_REG21 0x1c2
+#define R2057v7_OVR_REG2 0x1c3
+#define R2057v7_OVR_REG23 0x1c4
+#define R2057v7_OVR_REG24 0x1c5
+#define R2057v7_OVR_REG25 0x1c6
+#define R2057v7_OVR_REG26 0x1c7
+#define R2057v7_OVR_REG27 0x1c8
+#define R2057v7_OVR_REG28 0x1c9
+#define R2057v7_IQTEST_SEL_PU2 0x1ca
+
+#define R2057_VCM_MASK 0x7
+
+void r2057_upload_inittabs(struct b43_wldev *dev);
+
+#endif /* B43_RADIO_2057_H_ */
{ 0x00C0, 6, 0xE7, 0xF9, 0xEC, 0xFB } /* field == 0x4000 (fls 15) */
};
+/* field, val_addr_core0, val_addr_core1, val_mask, val_shift */
+static const struct nphy_rf_control_override_rev7
+ tbl_rf_control_override_rev7_over0[] = {
+ { 0x0004, 0x07A, 0x07D, 0x0002, 1 },
+ { 0x0008, 0x07A, 0x07D, 0x0004, 2 },
+ { 0x0010, 0x07A, 0x07D, 0x0010, 4 },
+ { 0x0020, 0x07A, 0x07D, 0x0020, 5 },
+ { 0x0040, 0x07A, 0x07D, 0x0040, 6 },
+ { 0x0080, 0x0F8, 0x0FA, 0x0080, 7 },
+ { 0x0400, 0x0F8, 0x0FA, 0x0070, 4 },
+ { 0x0800, 0x07B, 0x07E, 0xFFFF, 0 },
+ { 0x1000, 0x07C, 0x07F, 0xFFFF, 0 },
+ { 0x6000, 0x348, 0x349, 0xFFFF, 0 },
+ { 0x2000, 0x348, 0x349, 0x000F, 0 },
+};
+
+/* field, val_addr_core0, val_addr_core1, val_mask, val_shift */
+static const struct nphy_rf_control_override_rev7
+ tbl_rf_control_override_rev7_over1[] = {
+ { 0x0002, 0x340, 0x341, 0x0002, 1 },
+ { 0x0008, 0x340, 0x341, 0x0008, 3 },
+ { 0x0020, 0x340, 0x341, 0x0020, 5 },
+ { 0x0010, 0x340, 0x341, 0x0010, 4 },
+ { 0x0004, 0x340, 0x341, 0x0004, 2 },
+ { 0x0080, 0x340, 0x341, 0x0700, 8 },
+ { 0x0800, 0x340, 0x341, 0x4000, 14 },
+ { 0x0400, 0x340, 0x341, 0x2000, 13 },
+ { 0x0200, 0x340, 0x341, 0x0800, 12 },
+ { 0x0100, 0x340, 0x341, 0x0100, 11 },
+ { 0x0040, 0x340, 0x341, 0x0040, 6 },
+ { 0x0001, 0x340, 0x341, 0x0001, 0 },
+};
+
+/* field, val_addr_core0, val_addr_core1, val_mask, val_shift */
+static const struct nphy_rf_control_override_rev7
+ tbl_rf_control_override_rev7_over2[] = {
+ { 0x0008, 0x344, 0x345, 0x0008, 3 },
+ { 0x0002, 0x344, 0x345, 0x0002, 1 },
+ { 0x0001, 0x344, 0x345, 0x0001, 0 },
+ { 0x0004, 0x344, 0x345, 0x0004, 2 },
+ { 0x0010, 0x344, 0x345, 0x0010, 4 },
+};
+
struct nphy_gain_ctl_workaround_entry nphy_gain_ctl_wa_phy6_radio11_ghz2 = {
{ 10, 14, 19, 27 },
{ -5, 6, 10, 15 },
return e;
}
+
+const struct nphy_rf_control_override_rev7 *b43_nphy_get_rf_ctl_over_rev7(
+ struct b43_wldev *dev, u16 field, u8 override)
+{
+ const struct nphy_rf_control_override_rev7 *e;
+ u8 size, i;
+
+ switch (override) {
+ case 0:
+ e = tbl_rf_control_override_rev7_over0;
+ size = ARRAY_SIZE(tbl_rf_control_override_rev7_over0);
+ break;
+ case 1:
+ e = tbl_rf_control_override_rev7_over1;
+ size = ARRAY_SIZE(tbl_rf_control_override_rev7_over1);
+ break;
+ case 2:
+ e = tbl_rf_control_override_rev7_over2;
+ size = ARRAY_SIZE(tbl_rf_control_override_rev7_over2);
+ break;
+ default:
+ b43err(dev->wl, "Invalid override value %d\n", override);
+ return NULL;
+ }
+
+ for (i = 0; i < size; i++) {
+ if (e[i].field == field)
+ return &e[i];
+ }
+
+ return NULL;
+}
u8 val_addr1;
};
+struct nphy_rf_control_override_rev7 {
+ u16 field;
+ u16 val_addr_core0;
+ u16 val_addr_core1;
+ u16 val_mask;
+ u8 val_shift;
+};
+
struct nphy_gain_ctl_workaround_entry {
s8 lna1_gain[4];
s8 lna2_gain[4];
tbl_rf_control_override_rev2[];
extern const struct nphy_rf_control_override_rev3
tbl_rf_control_override_rev3[];
+const struct nphy_rf_control_override_rev7 *b43_nphy_get_rf_ctl_over_rev7(
+ struct b43_wldev *dev, u16 field, u8 override);
#endif /* B43_TABLES_NPHY_H_ */
return 0;
ssb_write32(gpiodev, B43legacy_GPIO_CONTROL,
(ssb_read32(gpiodev, B43legacy_GPIO_CONTROL)
- & mask) | set);
+ & ~mask) | set);
return 0;
}
}
static void b43legacy_op_tx(struct ieee80211_hw *hw,
+ struct ieee80211_tx_control *control,
struct sk_buff *skb)
{
struct b43legacy_wl *wl = hw_to_b43legacy_wl(hw);
MODULE_DESCRIPTION("Broadcom 802.11n wireless LAN driver.");
MODULE_SUPPORTED_DEVICE("Broadcom 802.11n WLAN cards");
MODULE_LICENSE("Dual BSD/GPL");
-
+/* This needs to be adjusted when brcms_firmwares changes */
+MODULE_FIRMWARE("brcm/bcm43xx-0.fw");
+MODULE_FIRMWARE("brcm/bcm43xx_hdr-0.fw");
/* recognized BCMA Core IDs */
static struct bcma_device_id brcms_coreid_table[] = {
}
}
-static void brcms_ops_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
+static void brcms_ops_tx(struct ieee80211_hw *hw,
+ struct ieee80211_tx_control *control,
+ struct sk_buff *skb)
{
struct brcms_info *wl = hw->priv;
struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
goto done;
}
brcms_c_sendpkt_mac80211(wl->wlc, skb, hw);
- tx_info->rate_driver_data[0] = tx_info->control.sta;
+ tx_info->rate_driver_data[0] = control->sta;
done:
spin_unlock_bh(&wl->lock);
}
channel = BRCMS_CHAN_CHANNEL(rxh->RxChan);
- if (channel > 14) {
- rx_status->band = IEEE80211_BAND_5GHZ;
- rx_status->freq = ieee80211_ofdm_chan_to_freq(
- WF_CHAN_FACTOR_5_G/2, channel);
-
- } else {
- rx_status->band = IEEE80211_BAND_2GHZ;
- rx_status->freq = ieee80211_dsss_chan_to_freq(channel);
- }
+ rx_status->band =
+ channel > 14 ? IEEE80211_BAND_5GHZ : IEEE80211_BAND_2GHZ;
+ rx_status->freq =
+ ieee80211_channel_to_frequency(channel, rx_status->band);
rx_status->signal = wlc_phy_rssi_compute(wlc->hw->band->pi, rxh);
#define WL_CHANSPEC_BAND_2G 0x2000
#define INVCHANSPEC 255
-/* used to calculate the chan_freq = chan_factor * 500Mhz + 5 * chan_number */
-#define WF_CHAN_FACTOR_2_4_G 4814 /* 2.4 GHz band, 2407 MHz */
-#define WF_CHAN_FACTOR_5_G 10000 /* 5 GHz band, 5000 MHz */
-#define WF_CHAN_FACTOR_4_G 8000 /* 4.9 GHz band for Japan */
-
#define CHSPEC_CHANNEL(chspec) ((u8)((chspec) & WL_CHANSPEC_CHAN_MASK))
#define CHSPEC_BAND(chspec) ((chspec) & WL_CHANSPEC_BAND_MASK)
* start C_TX command process
*/
static int
-il3945_tx_skb(struct il_priv *il, struct sk_buff *skb)
+il3945_tx_skb(struct il_priv *il,
+ struct ieee80211_sta *sta,
+ struct sk_buff *skb)
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
hdr_len = ieee80211_hdrlen(fc);
/* Find idx into station table for destination station */
- sta_id = il_sta_id_or_broadcast(il, info->control.sta);
+ sta_id = il_sta_id_or_broadcast(il, sta);
if (sta_id == IL_INVALID_STATION) {
D_DROP("Dropping - INVALID STATION: %pM\n", hdr->addr1);
goto drop;
}
static void
-il3945_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
+il3945_mac_tx(struct ieee80211_hw *hw,
+ struct ieee80211_tx_control *control,
+ struct sk_buff *skb)
{
struct il_priv *il = hw->priv;
D_TX("dev->xmit(%d bytes) at rate 0x%02x\n", skb->len,
ieee80211_get_tx_rate(hw, IEEE80211_SKB_CB(skb))->bitrate);
- if (il3945_tx_skb(il, skb))
+ if (il3945_tx_skb(il, control->sta, skb))
dev_kfree_skb_any(skb);
D_MAC80211("leave\n");
}
static void
-il4965_tx_cmd_build_rate(struct il_priv *il, struct il_tx_cmd *tx_cmd,
- struct ieee80211_tx_info *info, __le16 fc)
+il4965_tx_cmd_build_rate(struct il_priv *il,
+ struct il_tx_cmd *tx_cmd,
+ struct ieee80211_tx_info *info,
+ struct ieee80211_sta *sta,
+ __le16 fc)
{
const u8 rts_retry_limit = 60;
u32 rate_flags;
rate_idx = info->control.rates[0].idx;
if ((info->control.rates[0].flags & IEEE80211_TX_RC_MCS) || rate_idx < 0
|| rate_idx > RATE_COUNT_LEGACY)
- rate_idx =
- rate_lowest_index(&il->bands[info->band],
- info->control.sta);
+ rate_idx = rate_lowest_index(&il->bands[info->band], sta);
/* For 5 GHZ band, remap mac80211 rate indices into driver indices */
if (info->band == IEEE80211_BAND_5GHZ)
rate_idx += IL_FIRST_OFDM_RATE;
* start C_TX command process
*/
int
-il4965_tx_skb(struct il_priv *il, struct sk_buff *skb)
+il4965_tx_skb(struct il_priv *il,
+ struct ieee80211_sta *sta,
+ struct sk_buff *skb)
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
- struct ieee80211_sta *sta = info->control.sta;
struct il_station_priv *sta_priv = NULL;
struct il_tx_queue *txq;
struct il_queue *q;
sta_id = il->hw_params.bcast_id;
else {
/* Find idx into station table for destination station */
- sta_id = il_sta_id_or_broadcast(il, info->control.sta);
+ sta_id = il_sta_id_or_broadcast(il, sta);
if (sta_id == IL_INVALID_STATION) {
D_DROP("Dropping - INVALID STATION: %pM\n", hdr->addr1);
/* TODO need this for burst mode later on */
il4965_tx_cmd_build_basic(il, skb, tx_cmd, info, hdr, sta_id);
- il4965_tx_cmd_build_rate(il, tx_cmd, info, fc);
+ il4965_tx_cmd_build_rate(il, tx_cmd, info, sta, fc);
il_update_stats(il, true, fc, len);
/*
}
void
-il4965_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
+il4965_mac_tx(struct ieee80211_hw *hw,
+ struct ieee80211_tx_control *control,
+ struct sk_buff *skb)
{
struct il_priv *il = hw->priv;
D_TX("dev->xmit(%d bytes) at rate 0x%02x\n", skb->len,
ieee80211_get_tx_rate(hw, IEEE80211_SKB_CB(skb))->bitrate);
- if (il4965_tx_skb(il, skb))
+ if (il4965_tx_skb(il, control->sta, skb))
dev_kfree_skb_any(skb);
D_MACDUMP("leave\n");
int il4965_hw_tx_queue_init(struct il_priv *il, struct il_tx_queue *txq);
void il4965_hwrate_to_tx_control(struct il_priv *il, u32 rate_n_flags,
struct ieee80211_tx_info *info);
-int il4965_tx_skb(struct il_priv *il, struct sk_buff *skb);
+int il4965_tx_skb(struct il_priv *il,
+ struct ieee80211_sta *sta,
+ struct sk_buff *skb);
int il4965_tx_agg_start(struct il_priv *il, struct ieee80211_vif *vif,
struct ieee80211_sta *sta, u16 tid, u16 * ssn);
int il4965_tx_agg_stop(struct il_priv *il, struct ieee80211_vif *vif,
int il4965_eeprom_check_version(struct il_priv *il);
/* mac80211 handlers (for 4965) */
-void il4965_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb);
+void il4965_mac_tx(struct ieee80211_hw *hw,
+ struct ieee80211_tx_control *control,
+ struct sk_buff *skb);
int il4965_mac_start(struct ieee80211_hw *hw);
void il4965_mac_stop(struct ieee80211_hw *hw);
void il4965_configure_filter(struct ieee80211_hw *hw,
#ifdef CONFIG_PM
-int
+static int
il_pci_suspend(struct device *device)
{
struct pci_dev *pdev = to_pci_dev(device);
return 0;
}
-EXPORT_SYMBOL(il_pci_suspend);
-int
+static int
il_pci_resume(struct device *device)
{
struct pci_dev *pdev = to_pci_dev(device);
return 0;
}
-EXPORT_SYMBOL(il_pci_resume);
-const struct dev_pm_ops il_pm_ops = {
- .suspend = il_pci_suspend,
- .resume = il_pci_resume,
- .freeze = il_pci_suspend,
- .thaw = il_pci_resume,
- .poweroff = il_pci_suspend,
- .restore = il_pci_resume,
-};
+SIMPLE_DEV_PM_OPS(il_pm_ops, il_pci_suspend, il_pci_resume);
EXPORT_SYMBOL(il_pm_ops);
#endif /* CONFIG_PM */
u32 beacon_interval);
#ifdef CONFIG_PM
-int il_pci_suspend(struct device *device);
-int il_pci_resume(struct device *device);
extern const struct dev_pm_ops il_pm_ops;
#define IL_LEGACY_PM_OPS (&il_pm_ops)
/* tx */
-int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb);
+int iwlagn_tx_skb(struct iwl_priv *priv,
+ struct ieee80211_sta *sta,
+ struct sk_buff *skb);
int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif,
struct ieee80211_sta *sta, u16 tid, u16 *ssn);
int iwlagn_tx_agg_oper(struct iwl_priv *priv, struct ieee80211_vif *vif,
}
#ifdef CONFIG_IWLWIFI_DEBUGFS
-int iwl_dbgfs_register(struct iwl_priv *priv, const char *name);
-void iwl_dbgfs_unregister(struct iwl_priv *priv);
+int iwl_dbgfs_register(struct iwl_priv *priv, struct dentry *dbgfs_dir);
#else
-static inline int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
+static inline int iwl_dbgfs_register(struct iwl_priv *priv,
+ struct dentry *dbgfs_dir)
{
return 0;
}
-static inline void iwl_dbgfs_unregister(struct iwl_priv *priv)
-{
-}
#endif /* CONFIG_IWLWIFI_DEBUGFS */
#ifdef CONFIG_IWLWIFI_DEBUG
* Create the debugfs files and directories
*
*/
-int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
+int iwl_dbgfs_register(struct iwl_priv *priv, struct dentry *dbgfs_dir)
{
- struct dentry *phyd = priv->hw->wiphy->debugfsdir;
- struct dentry *dir_drv, *dir_data, *dir_rf, *dir_debug;
+ struct dentry *dir_data, *dir_rf, *dir_debug;
- dir_drv = debugfs_create_dir(name, phyd);
- if (!dir_drv)
- return -ENOMEM;
-
- priv->debugfs_dir = dir_drv;
+ priv->debugfs_dir = dbgfs_dir;
- dir_data = debugfs_create_dir("data", dir_drv);
+ dir_data = debugfs_create_dir("data", dbgfs_dir);
if (!dir_data)
goto err;
- dir_rf = debugfs_create_dir("rf", dir_drv);
+ dir_rf = debugfs_create_dir("rf", dbgfs_dir);
if (!dir_rf)
goto err;
- dir_debug = debugfs_create_dir("debug", dir_drv);
+ dir_debug = debugfs_create_dir("debug", dbgfs_dir);
if (!dir_debug)
goto err;
/* Calibrations disabled/enabled status*/
DEBUGFS_ADD_FILE(calib_disabled, dir_rf, S_IWUSR | S_IRUSR);
- if (iwl_trans_dbgfs_register(priv->trans, dir_debug))
- goto err;
+ /*
+ * Create a symlink with mac80211. This is not very robust, as it does
+ * not remove the symlink created. The implicit assumption is that
+ * when the opmode exits, mac80211 will also exit, and will remove
+ * this symlink as part of its cleanup.
+ */
+ if (priv->mac80211_registered) {
+ char buf[100];
+ struct dentry *mac80211_dir, *dev_dir, *root_dir;
+
+ dev_dir = dbgfs_dir->d_parent;
+ root_dir = dev_dir->d_parent;
+ mac80211_dir = priv->hw->wiphy->debugfsdir;
+
+ snprintf(buf, 100, "../../%s/%s", root_dir->d_name.name,
+ dev_dir->d_name.name);
+
+ if (!debugfs_create_symlink("iwlwifi", mac80211_dir, buf))
+ goto err;
+ }
+
return 0;
err:
- IWL_ERR(priv, "Can't create the debugfs directory\n");
- iwl_dbgfs_unregister(priv);
+ IWL_ERR(priv, "failed to create the dvm debugfs entries\n");
return -ENOMEM;
}
-
-/**
- * Remove the debugfs files and directories
- *
- */
-void iwl_dbgfs_unregister(struct iwl_priv *priv)
-{
- if (!priv->debugfs_dir)
- return;
-
- debugfs_remove_recursive(priv->debugfs_dir);
- priv->debugfs_dir = NULL;
-}
ARRAY_SIZE(iwlagn_iface_combinations_dualmode);
}
- hw->wiphy->max_remain_on_channel_duration = 1000;
+ hw->wiphy->max_remain_on_channel_duration = 500;
hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY |
WIPHY_FLAG_DISABLE_BEACON_HINTS |
}
#endif
-static void iwlagn_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
+static void iwlagn_mac_tx(struct ieee80211_hw *hw,
+ struct ieee80211_tx_control *control,
+ struct sk_buff *skb)
{
struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
IWL_DEBUG_TX(priv, "dev->xmit(%d bytes) at rate 0x%02x\n", skb->len,
ieee80211_get_tx_rate(hw, IEEE80211_SKB_CB(skb))->bitrate);
- if (iwlagn_tx_skb(priv, skb))
+ if (iwlagn_tx_skb(priv, control->sta, skb))
dev_kfree_skb_any(skb);
}
* No race since we hold the mutex here and a new one
* can't come in at this time.
*/
- ieee80211_remain_on_channel_expired(priv->hw);
+ if (priv->ucode_loaded && priv->cur_ucode != IWL_UCODE_INIT)
+ ieee80211_remain_on_channel_expired(priv->hw);
exit_pending =
test_and_set_bit(STATUS_EXIT_PENDING, &priv->status);
iwlagn_prepare_restart(priv);
mutex_unlock(&priv->mutex);
iwl_cancel_deferred_work(priv);
- ieee80211_restart_hw(priv->hw);
+ if (priv->mac80211_registered)
+ ieee80211_restart_hw(priv->hw);
+ else
+ IWL_ERR(priv,
+ "Cannot request restart before registrating with mac80211");
} else {
WARN_ON(1);
}
static struct iwl_op_mode *iwl_op_mode_dvm_start(struct iwl_trans *trans,
const struct iwl_cfg *cfg,
- const struct iwl_fw *fw)
+ const struct iwl_fw *fw,
+ struct dentry *dbgfs_dir)
{
struct iwl_priv *priv;
struct ieee80211_hw *hw;
if (iwlagn_mac_setup_register(priv, &fw->ucode_capa))
goto out_destroy_workqueue;
- if (iwl_dbgfs_register(priv, DRV_NAME))
- IWL_ERR(priv,
- "failed to create debugfs files. Ignoring error\n");
+ if (iwl_dbgfs_register(priv, dbgfs_dir))
+ goto out_mac80211_unregister;
return op_mode;
+out_mac80211_unregister:
+ iwlagn_mac_unregister(priv);
out_destroy_workqueue:
+ iwl_tt_exit(priv);
+ iwl_testmode_free(priv);
+ iwl_cancel_deferred_work(priv);
destroy_workqueue(priv->workqueue);
priv->workqueue = NULL;
iwl_uninit_drv(priv);
IWL_DEBUG_INFO(priv, "*** UNLOAD DRIVER ***\n");
- iwl_dbgfs_unregister(priv);
-
iwl_testmode_free(priv);
iwlagn_mac_unregister(priv);
sta_id, sta->sta.addr, flags & CMD_ASYNC ? "a" : "");
if (!(flags & CMD_ASYNC)) {
- cmd.flags |= CMD_WANT_SKB;
+ cmd.flags |= CMD_WANT_SKB | CMD_WANT_HCMD;
might_sleep();
}
static void iwlagn_tx_cmd_build_rate(struct iwl_priv *priv,
struct iwl_tx_cmd *tx_cmd,
struct ieee80211_tx_info *info,
+ struct ieee80211_sta *sta,
__le16 fc)
{
u32 rate_flags;
if (info->control.rates[0].flags & IEEE80211_TX_RC_MCS ||
(rate_idx < 0) || (rate_idx > IWL_RATE_COUNT_LEGACY))
rate_idx = rate_lowest_index(
- &priv->eeprom_data->bands[info->band],
- info->control.sta);
+ &priv->eeprom_data->bands[info->band], sta);
/* For 5 GHZ band, remap mac80211 rate indices into driver indices */
if (info->band == IEEE80211_BAND_5GHZ)
rate_idx += IWL_FIRST_OFDM_RATE;
/*
* start REPLY_TX command process
*/
-int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
+int iwlagn_tx_skb(struct iwl_priv *priv,
+ struct ieee80211_sta *sta,
+ struct sk_buff *skb)
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
sta_id = ctx->bcast_sta_id;
else {
/* Find index into station table for destination station */
- sta_id = iwl_sta_id_or_broadcast(ctx, info->control.sta);
+ sta_id = iwl_sta_id_or_broadcast(ctx, sta);
if (sta_id == IWL_INVALID_STATION) {
IWL_DEBUG_DROP(priv, "Dropping - INVALID STATION: %pM\n",
hdr->addr1);
IWL_DEBUG_TX(priv, "station Id %d\n", sta_id);
- if (info->control.sta)
- sta_priv = (void *)info->control.sta->drv_priv;
+ if (sta)
+ sta_priv = (void *)sta->drv_priv;
if (sta_priv && sta_priv->asleep &&
(info->flags & IEEE80211_TX_CTL_NO_PS_BUFFER)) {
/* TODO need this for burst mode later on */
iwlagn_tx_cmd_build_basic(priv, skb, tx_cmd, info, hdr, sta_id);
- iwlagn_tx_cmd_build_rate(priv, tx_cmd, info, fc);
+ iwlagn_tx_cmd_build_rate(priv, tx_cmd, info, sta, fc);
memset(&info->status, 0, sizeof(info->status));
* only. Check this here.
*/
if (WARN_ONCE(tid_data->agg.state != IWL_AGG_ON &&
- tid_data->agg.state != IWL_AGG_OFF,
+ tid_data->agg.state != IWL_AGG_OFF,
"Tx while agg.state = %d", tid_data->agg.state))
goto drop_unlock_sta;
MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR);
MODULE_LICENSE("GPL");
+#ifdef CONFIG_IWLWIFI_DEBUGFS
+static struct dentry *iwl_dbgfs_root;
+#endif
+
/**
* struct iwl_drv - drv common data
* @list: list of drv structures using this opmode
char firmware_name[25]; /* name of firmware file to load */
struct completion request_firmware_complete;
+
+#ifdef CONFIG_IWLWIFI_DEBUGFS
+ struct dentry *dbgfs_drv;
+ struct dentry *dbgfs_trans;
+ struct dentry *dbgfs_op_mode;
+#endif
};
#define DVM_OP_MODE 0
return 0;
}
-static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context);
+static void iwl_req_fw_callback(const struct firmware *ucode_raw,
+ void *context);
#define UCODE_EXPERIMENTAL_INDEX 100
#define UCODE_EXPERIMENTAL_TAG "exp"
return request_firmware_nowait(THIS_MODULE, 1, drv->firmware_name,
drv->trans->dev,
- GFP_KERNEL, drv, iwl_ucode_callback);
+ GFP_KERNEL, drv, iwl_req_fw_callback);
}
struct fw_img_parsing {
return 0;
}
+static struct iwl_op_mode *
+_iwl_op_mode_start(struct iwl_drv *drv, struct iwlwifi_opmode_table *op)
+{
+ const struct iwl_op_mode_ops *ops = op->ops;
+ struct dentry *dbgfs_dir = NULL;
+ struct iwl_op_mode *op_mode = NULL;
+
+#ifdef CONFIG_IWLWIFI_DEBUGFS
+ drv->dbgfs_op_mode = debugfs_create_dir(op->name,
+ drv->dbgfs_drv);
+ if (!drv->dbgfs_op_mode) {
+ IWL_ERR(drv,
+ "failed to create opmode debugfs directory\n");
+ return op_mode;
+ }
+ dbgfs_dir = drv->dbgfs_op_mode;
+#endif
+
+ op_mode = ops->start(drv->trans, drv->cfg, &drv->fw, dbgfs_dir);
+
+#ifdef CONFIG_IWLWIFI_DEBUGFS
+ if (!op_mode) {
+ debugfs_remove_recursive(drv->dbgfs_op_mode);
+ drv->dbgfs_op_mode = NULL;
+ }
+#endif
+
+ return op_mode;
+}
+
+static void _iwl_op_mode_stop(struct iwl_drv *drv)
+{
+ /* op_mode can be NULL if its start failed */
+ if (drv->op_mode) {
+ iwl_op_mode_stop(drv->op_mode);
+ drv->op_mode = NULL;
+
+#ifdef CONFIG_IWLWIFI_DEBUGFS
+ debugfs_remove_recursive(drv->dbgfs_op_mode);
+ drv->dbgfs_op_mode = NULL;
+#endif
+ }
+}
+
/**
- * iwl_ucode_callback - callback when firmware was loaded
+ * iwl_req_fw_callback - callback when firmware was loaded
*
* If loaded successfully, copies the firmware into buffers
* for the card to fetch (via DMA).
*/
-static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context)
+static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context)
{
struct iwl_drv *drv = context;
struct iwl_fw *fw = &drv->fw;
list_add_tail(&drv->list, &op->drv);
if (op->ops) {
- const struct iwl_op_mode_ops *ops = op->ops;
- drv->op_mode = ops->start(drv->trans, drv->cfg, &drv->fw);
+ drv->op_mode = _iwl_op_mode_start(drv, op);
if (!drv->op_mode) {
mutex_unlock(&iwlwifi_opmode_table_mtx);
init_completion(&drv->request_firmware_complete);
INIT_LIST_HEAD(&drv->list);
+#ifdef CONFIG_IWLWIFI_DEBUGFS
+ /* Create the device debugfs entries. */
+ drv->dbgfs_drv = debugfs_create_dir(dev_name(trans->dev),
+ iwl_dbgfs_root);
+
+ if (!drv->dbgfs_drv) {
+ IWL_ERR(drv, "failed to create debugfs directory\n");
+ goto err_free_drv;
+ }
+
+ /* Create transport layer debugfs dir */
+ drv->trans->dbgfs_dir = debugfs_create_dir("trans", drv->dbgfs_drv);
+
+ if (!drv->trans->dbgfs_dir) {
+ IWL_ERR(drv, "failed to create transport debugfs directory\n");
+ goto err_free_dbgfs;
+ }
+#endif
+
ret = iwl_request_firmware(drv, true);
if (ret) {
IWL_ERR(trans, "Couldn't request the fw\n");
- kfree(drv);
- drv = NULL;
+ goto err_fw;
}
return drv;
+
+err_fw:
+#ifdef CONFIG_IWLWIFI_DEBUGFS
+err_free_dbgfs:
+ debugfs_remove_recursive(drv->dbgfs_drv);
+err_free_drv:
+#endif
+ kfree(drv);
+ drv = NULL;
+
+ return drv;
}
void iwl_drv_stop(struct iwl_drv *drv)
{
wait_for_completion(&drv->request_firmware_complete);
- /* op_mode can be NULL if its start failed */
- if (drv->op_mode)
- iwl_op_mode_stop(drv->op_mode);
+ _iwl_op_mode_stop(drv);
iwl_dealloc_ucode(drv);
list_del(&drv->list);
mutex_unlock(&iwlwifi_opmode_table_mtx);
+#ifdef CONFIG_IWLWIFI_DEBUGFS
+ debugfs_remove_recursive(drv->dbgfs_drv);
+#endif
+
kfree(drv);
}
{
int i;
struct iwl_drv *drv;
+ struct iwlwifi_opmode_table *op;
mutex_lock(&iwlwifi_opmode_table_mtx);
for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) {
- if (strcmp(iwlwifi_opmode_table[i].name, name))
+ op = &iwlwifi_opmode_table[i];
+ if (strcmp(op->name, name))
continue;
- iwlwifi_opmode_table[i].ops = ops;
- list_for_each_entry(drv, &iwlwifi_opmode_table[i].drv, list)
- drv->op_mode = ops->start(drv->trans, drv->cfg,
- &drv->fw);
+ op->ops = ops;
+ /* TODO: need to handle exceptional case */
+ list_for_each_entry(drv, &op->drv, list)
+ drv->op_mode = _iwl_op_mode_start(drv, op);
+
mutex_unlock(&iwlwifi_opmode_table_mtx);
return 0;
}
iwlwifi_opmode_table[i].ops = NULL;
/* call the stop routine for all devices */
- list_for_each_entry(drv, &iwlwifi_opmode_table[i].drv, list) {
- if (drv->op_mode) {
- iwl_op_mode_stop(drv->op_mode);
- drv->op_mode = NULL;
- }
- }
+ list_for_each_entry(drv, &iwlwifi_opmode_table[i].drv, list)
+ _iwl_op_mode_stop(drv);
+
mutex_unlock(&iwlwifi_opmode_table_mtx);
return;
}
pr_info(DRV_DESCRIPTION ", " DRV_VERSION "\n");
pr_info(DRV_COPYRIGHT "\n");
+#ifdef CONFIG_IWLWIFI_DEBUGFS
+ /* Create the root of iwlwifi debugfs subsystem. */
+ iwl_dbgfs_root = debugfs_create_dir(DRV_NAME, NULL);
+
+ if (!iwl_dbgfs_root)
+ return -EFAULT;
+#endif
+
return iwl_pci_register_driver();
}
module_init(iwl_drv_init);
static void __exit iwl_drv_exit(void)
{
iwl_pci_unregister_driver();
+
+#ifdef CONFIG_IWLWIFI_DEBUGFS
+ debugfs_remove_recursive(iwl_dbgfs_root);
+#endif
}
module_exit(iwl_drv_exit);
* 4) The bus specific component configures the bus
* 5) The bus specific component calls to the drv bus agnostic part
* (iwl_drv_start)
- * 6) iwl_drv_start fetches the fw ASYNC, iwl_ucode_callback
- * 7) iwl_ucode_callback parses the fw file
- * 8) iwl_ucode_callback starts the wifi implementation to matches the fw
+ * 6) iwl_drv_start fetches the fw ASYNC, iwl_req_fw_callback
+ * 7) iwl_req_fw_callback parses the fw file
+ * 8) iwl_req_fw_callback starts the wifi implementation to matches the fw
*/
struct iwl_drv;
struct iwl_op_mode_ops {
struct iwl_op_mode *(*start)(struct iwl_trans *trans,
const struct iwl_cfg *cfg,
- const struct iwl_fw *fw);
+ const struct iwl_fw *fw,
+ struct dentry *dbgfs_dir);
void (*stop)(struct iwl_op_mode *op_mode);
int (*rx)(struct iwl_op_mode *op_mode, struct iwl_rx_cmd_buffer *rxb,
struct iwl_device_cmd *cmd);
* @CMD_SYNC: The caller will be stalled until the fw responds to the command
* @CMD_ASYNC: Return right away and don't want for the response
* @CMD_WANT_SKB: valid only with CMD_SYNC. The caller needs the buffer of the
- * response.
+ * response. The caller needs to call iwl_free_resp when done.
+ * @CMD_WANT_HCMD: The caller needs to get the HCMD that was sent in the
+ * response handler. Chunks flagged by %IWL_HCMD_DFL_NOCOPY won't be
+ * copied. The pointer passed to the response handler is in the transport
+ * ownership and don't need to be freed by the op_mode. This also means
+ * that the pointer is invalidated after the op_mode's handler returns.
* @CMD_ON_DEMAND: This command is sent by the test mode pipe.
*/
enum CMD_MODE {
CMD_SYNC = 0,
CMD_ASYNC = BIT(0),
CMD_WANT_SKB = BIT(1),
- CMD_ON_DEMAND = BIT(2),
+ CMD_WANT_HCMD = BIT(2),
+ CMD_ON_DEMAND = BIT(3),
};
#define DEF_CMD_PAYLOAD_SIZE 320
size_t dev_cmd_headroom;
char dev_cmd_pool_name[50];
+ struct dentry *dbgfs_dir;
+
/* pointer to trans specific struct */
/*Ensure that this pointer will always be aligned to sizeof pointer */
char trans_specific[0] __aligned(sizeof(void *));
if (!trans_pcie->drv)
goto out_free_trans;
+ /* register transport layer debugfs here */
+ if (iwl_trans_dbgfs_register(iwl_trans, iwl_trans->dbgfs_dir))
+ goto out_free_drv;
+
return 0;
+out_free_drv:
+ iwl_drv_stop(trans_pcie->drv);
out_free_trans:
iwl_trans_pcie_free(iwl_trans);
pci_set_drvdata(pdev, NULL);
struct iwl_pcie_tx_queue_entry {
struct iwl_device_cmd *cmd;
+ struct iwl_device_cmd *copy_cmd;
struct sk_buff *skb;
struct iwl_cmd_meta meta;
};
index = SEQ_TO_INDEX(sequence);
cmd_index = get_cmd_index(&txq->q, index);
- if (reclaim)
- cmd = txq->entries[cmd_index].cmd;
- else
+ if (reclaim) {
+ struct iwl_pcie_tx_queue_entry *ent;
+ ent = &txq->entries[cmd_index];
+ cmd = ent->copy_cmd;
+ WARN_ON_ONCE(!cmd && ent->meta.flags & CMD_WANT_HCMD);
+ } else {
cmd = NULL;
+ }
err = iwl_op_mode_rx(trans->op_mode, &rxcb, cmd);
+ if (reclaim) {
+ /* The original command isn't needed any more */
+ kfree(txq->entries[cmd_index].copy_cmd);
+ txq->entries[cmd_index].copy_cmd = NULL;
+ }
+
/*
* After here, we should always check rxcb._page_stolen,
* if it is true then one of the handlers took the page.
iwl_tx_queue_unmap(trans, txq_id);
/* De-alloc array of command/tx buffers */
-
if (txq_id == trans_pcie->cmd_queue)
- for (i = 0; i < txq->q.n_window; i++)
+ for (i = 0; i < txq->q.n_window; i++) {
kfree(txq->entries[i].cmd);
+ kfree(txq->entries[i].copy_cmd);
+ }
/* De-alloc circular buffer of TFDs */
if (txq->q.n_bd) {
static int iwl_prepare_card_hw(struct iwl_trans *trans)
{
int ret;
+ int t = 0;
IWL_DEBUG_INFO(trans, "iwl_trans_prepare_card_hw enter\n");
iwl_set_bit(trans, CSR_HW_IF_CONFIG_REG,
CSR_HW_IF_CONFIG_REG_PREPARE);
- ret = iwl_poll_bit(trans, CSR_HW_IF_CONFIG_REG,
- ~CSR_HW_IF_CONFIG_REG_BIT_NIC_PREPARE_DONE,
- CSR_HW_IF_CONFIG_REG_BIT_NIC_PREPARE_DONE, 150000);
+ do {
+ ret = iwl_set_hw_ready(trans);
+ if (ret >= 0)
+ return 0;
- if (ret < 0)
- return ret;
+ usleep_range(200, 1000);
+ t += 200;
+ } while (t < 150000);
- /* HW should be ready by now, check again. */
- ret = iwl_set_hw_ready(trans);
- if (ret >= 0)
- return 0;
return ret;
}
#define DEBUGFS_ADD_FILE(name, parent, mode) do { \
if (!debugfs_create_file(#name, mode, parent, trans, \
&iwl_dbgfs_##name##_ops)) \
- return -ENOMEM; \
+ goto err; \
} while (0)
/* file operation */
DEBUGFS_ADD_FILE(fh_reg, dir, S_IRUSR);
DEBUGFS_ADD_FILE(fw_restart, dir, S_IWUSR);
return 0;
+
+err:
+ IWL_ERR(trans, "failed to create the trans debugfs entry\n");
+ return -ENOMEM;
}
#else
static int iwl_trans_pcie_dbgfs_register(struct iwl_trans *trans,
u16 copy_size, cmd_size;
bool had_nocopy = false;
int i;
- u8 *cmd_dest;
+ u32 cmd_pos;
#ifdef CONFIG_IWLWIFI_DEVICE_TRACING
const void *trace_bufs[IWL_MAX_CMD_TFDS + 1] = {};
int trace_lens[IWL_MAX_CMD_TFDS + 1] = {};
INDEX_TO_SEQ(q->write_ptr));
/* and copy the data that needs to be copied */
-
- cmd_dest = out_cmd->payload;
+ cmd_pos = offsetof(struct iwl_device_cmd, payload);
for (i = 0; i < IWL_MAX_CMD_TFDS; i++) {
if (!cmd->len[i])
continue;
if (cmd->dataflags[i] & IWL_HCMD_DFL_NOCOPY)
break;
- memcpy(cmd_dest, cmd->data[i], cmd->len[i]);
- cmd_dest += cmd->len[i];
+ memcpy((u8 *)out_cmd + cmd_pos, cmd->data[i], cmd->len[i]);
+ cmd_pos += cmd->len[i];
+ }
+
+ WARN_ON_ONCE(txq->entries[idx].copy_cmd);
+
+ /*
+ * since out_cmd will be the source address of the FH, it will write
+ * the retry count there. So when the user needs to receivce the HCMD
+ * that corresponds to the response in the response handler, it needs
+ * to set CMD_WANT_HCMD.
+ */
+ if (cmd->flags & CMD_WANT_HCMD) {
+ txq->entries[idx].copy_cmd =
+ kmemdup(out_cmd, cmd_pos, GFP_ATOMIC);
+ if (unlikely(!txq->entries[idx].copy_cmd)) {
+ idx = -ENOMEM;
+ goto out;
+ }
}
IWL_DEBUG_HC(trans,
lbtf_deb_leave(LBTF_DEB_MAIN);
}
-static void lbtf_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
+static void lbtf_op_tx(struct ieee80211_hw *hw,
+ struct ieee80211_tx_control *control,
+ struct sk_buff *skb)
{
struct lbtf_private *priv = hw->priv;
return ack;
}
-static void mac80211_hwsim_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
+static void mac80211_hwsim_tx(struct ieee80211_hw *hw,
+ struct ieee80211_tx_control *control,
+ struct sk_buff *skb)
{
bool ack;
struct ieee80211_tx_info *txi;
#endif
BIT(NL80211_IFTYPE_AP) |
BIT(NL80211_IFTYPE_P2P_GO) },
+ { .max = 1, .types = BIT(NL80211_IFTYPE_P2P_DEVICE) },
};
static const struct ieee80211_iface_combination hwsim_if_comb = {
BIT(NL80211_IFTYPE_P2P_CLIENT) |
BIT(NL80211_IFTYPE_P2P_GO) |
BIT(NL80211_IFTYPE_ADHOC) |
- BIT(NL80211_IFTYPE_MESH_POINT);
+ BIT(NL80211_IFTYPE_MESH_POINT) |
+ BIT(NL80211_IFTYPE_P2P_DEVICE);
hw->flags = IEEE80211_HW_MFP_CAPABLE |
IEEE80211_HW_SIGNAL_DBM |
return count;
}
+
+/*
+ * This function retrieves the entry for specific tx BA stream table by RA and
+ * deletes it.
+ */
+void mwifiex_del_tx_ba_stream_tbl_by_ra(struct mwifiex_private *priv, u8 *ra)
+{
+ struct mwifiex_tx_ba_stream_tbl *tbl, *tmp;
+ unsigned long flags;
+
+ if (!ra)
+ return;
+
+ spin_lock_irqsave(&priv->tx_ba_stream_tbl_lock, flags);
+ list_for_each_entry_safe(tbl, tmp, &priv->tx_ba_stream_tbl_ptr, list) {
+ if (!memcmp(tbl->ra, ra, ETH_ALEN)) {
+ spin_unlock_irqrestore(&priv->tx_ba_stream_tbl_lock,
+ flags);
+ mwifiex_11n_delete_tx_ba_stream_tbl_entry(priv, tbl);
+ spin_lock_irqsave(&priv->tx_ba_stream_tbl_lock, flags);
+ }
+ }
+ spin_unlock_irqrestore(&priv->tx_ba_stream_tbl_lock, flags);
+
+ return;
+}
int mwifiex_cmd_amsdu_aggr_ctrl(struct host_cmd_ds_command *cmd,
int cmd_action,
struct mwifiex_ds_11n_amsdu_aggr_ctrl *aa_ctrl);
+void mwifiex_del_tx_ba_stream_tbl_by_ra(struct mwifiex_private *priv, u8 *ra);
/*
* This function checks whether AMPDU is allowed or not for a particular TID.
return false;
}
+
+/*
+ * This function checks whether associated station is 11n enabled
+ */
+static inline int mwifiex_is_sta_11n_enabled(struct mwifiex_private *priv,
+ struct mwifiex_sta_node *node)
+{
+
+ if (!node || (priv->bss_role != MWIFIEX_BSS_ROLE_UAP) ||
+ !priv->ap_11n_enabled)
+ return 0;
+
+ return node->is_11n_enabled;
+}
#endif /* !_MWIFIEX_11N_H_ */
};
struct tx_packet_hdr *tx_header;
- skb_put(skb_aggr, sizeof(*tx_header));
-
- tx_header = (struct tx_packet_hdr *) skb_aggr->data;
+ tx_header = (void *)skb_put(skb_aggr, sizeof(*tx_header));
/* Copy DA and SA */
dt_offset = 2 * ETH_ALEN;
tx_header->eth803_hdr.h_proto = htons(skb_src->len + LLC_SNAP_LEN);
/* Add payload */
- skb_put(skb_aggr, skb_src->len);
- memcpy(skb_aggr->data + sizeof(*tx_header), skb_src->data,
- skb_src->len);
- *pad = (((skb_src->len + LLC_SNAP_LEN) & 3)) ? (4 - (((skb_src->len +
- LLC_SNAP_LEN)) & 3)) : 0;
- skb_put(skb_aggr, *pad);
+ memcpy(skb_put(skb_aggr, skb_src->len), skb_src->data, skb_src->len);
+
+ /* Add padding for new MSDU to start from 4 byte boundary */
+ *pad = (4 - ((unsigned long)skb_aggr->tail & 0x3)) % 4;
return skb_aggr->len + *pad;
}
tbl->rx_reorder_ptr[i] = NULL;
}
spin_unlock_irqrestore(&priv->rx_pkt_lock, flags);
- if (rx_tmp_ptr)
- mwifiex_process_rx_packet(priv->adapter, rx_tmp_ptr);
+ if (rx_tmp_ptr) {
+ if (priv->bss_role == MWIFIEX_BSS_ROLE_UAP)
+ mwifiex_handle_uap_rx_forward(priv, rx_tmp_ptr);
+ else
+ mwifiex_process_rx_packet(priv->adapter,
+ rx_tmp_ptr);
+ }
}
spin_lock_irqsave(&priv->rx_pkt_lock, flags);
rx_tmp_ptr = tbl->rx_reorder_ptr[i];
tbl->rx_reorder_ptr[i] = NULL;
spin_unlock_irqrestore(&priv->rx_pkt_lock, flags);
- mwifiex_process_rx_packet(priv->adapter, rx_tmp_ptr);
+
+ if (priv->bss_role == MWIFIEX_BSS_ROLE_UAP)
+ mwifiex_handle_uap_rx_forward(priv, rx_tmp_ptr);
+ else
+ mwifiex_process_rx_packet(priv->adapter, rx_tmp_ptr);
}
spin_lock_irqsave(&priv->rx_pkt_lock, flags);
* This function returns the pointer to an entry in Rx reordering
* table which matches the given TA/TID pair.
*/
-static struct mwifiex_rx_reorder_tbl *
+struct mwifiex_rx_reorder_tbl *
mwifiex_11n_get_rx_reorder_tbl(struct mwifiex_private *priv, int tid, u8 *ta)
{
struct mwifiex_rx_reorder_tbl *tbl;
return NULL;
}
+/* This function retrieves the pointer to an entry in Rx reordering
+ * table which matches the given TA and deletes it.
+ */
+void mwifiex_11n_del_rx_reorder_tbl_by_ta(struct mwifiex_private *priv, u8 *ta)
+{
+ struct mwifiex_rx_reorder_tbl *tbl, *tmp;
+ unsigned long flags;
+
+ if (!ta)
+ return;
+
+ spin_lock_irqsave(&priv->rx_reorder_tbl_lock, flags);
+ list_for_each_entry_safe(tbl, tmp, &priv->rx_reorder_tbl_ptr, list) {
+ if (!memcmp(tbl->ta, ta, ETH_ALEN)) {
+ spin_unlock_irqrestore(&priv->rx_reorder_tbl_lock,
+ flags);
+ mwifiex_del_rx_reorder_entry(priv, tbl);
+ spin_lock_irqsave(&priv->rx_reorder_tbl_lock, flags);
+ }
+ }
+ spin_unlock_irqrestore(&priv->rx_reorder_tbl_lock, flags);
+
+ return;
+}
+
/*
* This function finds the last sequence number used in the packets
* buffered in Rx reordering table.
struct mwifiex_rx_reorder_tbl *tbl, *new_node;
u16 last_seq = 0;
unsigned long flags;
+ struct mwifiex_sta_node *node;
/*
* If we get a TID, ta pair which is already present dispatch all the
new_node->tid = tid;
memcpy(new_node->ta, ta, ETH_ALEN);
new_node->start_win = seq_num;
- if (mwifiex_queuing_ra_based(priv))
- /* TODO for adhoc */
+
+ if (mwifiex_queuing_ra_based(priv)) {
dev_dbg(priv->adapter->dev,
- "info: ADHOC:last_seq=%d start_win=%d\n",
+ "info: AP/ADHOC:last_seq=%d start_win=%d\n",
last_seq, new_node->start_win);
- else
+ if (priv->bss_role == MWIFIEX_BSS_ROLE_UAP) {
+ node = mwifiex_get_sta_entry(priv, ta);
+ if (node)
+ last_seq = node->rx_seq[tid];
+ }
+ } else {
last_seq = priv->rx_seq[tid];
+ }
if (last_seq != MWIFIEX_DEF_11N_RX_SEQ_NUM &&
last_seq >= new_node->start_win)
tbl = mwifiex_11n_get_rx_reorder_tbl(priv, tid, ta);
if (!tbl) {
- if (pkt_type != PKT_TYPE_BAR)
- mwifiex_process_rx_packet(priv->adapter, payload);
+ if (pkt_type != PKT_TYPE_BAR) {
+ if (priv->bss_role == MWIFIEX_BSS_ROLE_UAP)
+ mwifiex_handle_uap_rx_forward(priv, payload);
+ else
+ mwifiex_process_rx_packet(priv->adapter,
+ payload);
+ }
return 0;
}
start_win = tbl->start_win;
#define ADDBA_RSP_STATUS_ACCEPT 0
#define MWIFIEX_DEF_11N_RX_SEQ_NUM 0xffff
+#define BA_SETUP_MAX_PACKET_THRESHOLD 16
+#define BA_SETUP_PACKET_OFFSET 16
static inline void mwifiex_reset_11n_rx_seq_num(struct mwifiex_private *priv)
{
mwifiex_private
*priv, int tid,
u8 *ta);
+struct mwifiex_rx_reorder_tbl *
+mwifiex_11n_get_rx_reorder_tbl(struct mwifiex_private *priv, int tid, u8 *ta);
+void mwifiex_11n_del_rx_reorder_tbl_by_ta(struct mwifiex_private *priv, u8 *ta);
#endif /* _MWIFIEX_11N_RXREORDER_H_ */
mwifiex-y += ie.o
mwifiex-y += sta_cmdresp.o
mwifiex-y += sta_event.o
+mwifiex-y += uap_event.o
mwifiex-y += sta_tx.o
mwifiex-y += sta_rx.o
+mwifiex-y += uap_txrx.o
mwifiex-y += cfg80211.o
mwifiex-$(CONFIG_DEBUG_FS) += debugfs.o
obj-$(CONFIG_MWIFIEX) += mwifiex.o
const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
const u8 *peer_mac = pairwise ? mac_addr : bc_mac;
- if (mwifiex_set_encode(priv, NULL, 0, key_index, peer_mac, 1)) {
+ if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index, peer_mac, 1)) {
wiphy_err(wiphy, "deleting the crypto keys\n");
return -EFAULT;
}
if (priv->bss_type == MWIFIEX_BSS_TYPE_UAP) {
priv->wep_key_curr_index = key_index;
- } else if (mwifiex_set_encode(priv, NULL, 0, key_index, NULL, 0)) {
+ } else if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index,
+ NULL, 0)) {
wiphy_err(wiphy, "set default Tx key index\n");
return -EFAULT;
}
return 0;
}
- if (mwifiex_set_encode(priv, params->key, params->key_len,
+ if (mwifiex_set_encode(priv, params, params->key, params->key_len,
key_index, peer_mac, 0)) {
wiphy_err(wiphy, "crypto keys added\n");
return -EFAULT;
WLAN_CIPHER_SUITE_WEP104,
WLAN_CIPHER_SUITE_TKIP,
WLAN_CIPHER_SUITE_CCMP,
+ WLAN_CIPHER_SUITE_AES_CMAC,
};
/*
if (mwifiex_del_mgmt_ies(priv))
wiphy_err(wiphy, "Failed to delete mgmt IEs!\n");
+ priv->ap_11n_enabled = 0;
+
if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_UAP_BSS_STOP,
HostCmd_ACT_GEN_SET, 0, NULL)) {
wiphy_err(wiphy, "Failed to stop the BSS\n");
priv->wep_key_curr_index = 0;
priv->sec_info.encryption_mode = 0;
priv->sec_info.is_authtype_auto = 0;
- ret = mwifiex_set_encode(priv, NULL, 0, 0, NULL, 1);
+ ret = mwifiex_set_encode(priv, NULL, NULL, 0, 0, NULL, 1);
if (mode == NL80211_IFTYPE_ADHOC) {
/* "privacy" is set only for ad-hoc mode */
"info: setting wep encryption"
" with key len %d\n", sme->key_len);
priv->wep_key_curr_index = sme->key_idx;
- ret = mwifiex_set_encode(priv, sme->key, sme->key_len,
- sme->key_idx, NULL, 0);
+ ret = mwifiex_set_encode(priv, NULL, sme->key,
+ sme->key_len, sme->key_idx,
+ NULL, 0);
}
}
done:
priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
}
- ret = mwifiex_process_sta_event(priv);
+ if (priv->bss_role == MWIFIEX_BSS_ROLE_UAP)
+ ret = mwifiex_process_uap_event(priv);
+ else
+ ret = mwifiex_process_sta_event(priv);
adapter->event_cause = 0;
adapter->event_skb = NULL;
#define MWIFIEX_SDIO_BLOCK_SIZE 256
#define MWIFIEX_BUF_FLAG_REQUEUED_PKT BIT(0)
+#define MWIFIEX_BUF_FLAG_BRIDGED_PKT BIT(1)
+
+#define MWIFIEX_BRIDGED_PKTS_THRESHOLD 1024
enum mwifiex_bss_type {
MWIFIEX_BSS_TYPE_STA = 0,
KEY_TYPE_ID_TKIP,
KEY_TYPE_ID_AES,
KEY_TYPE_ID_WAPI,
+ KEY_TYPE_ID_AES_CMAC,
};
#define KEY_MCAST BIT(0)
#define KEY_UNICAST BIT(1)
#define KEY_ENABLED BIT(2)
+#define KEY_IGTK BIT(10)
#define WAPI_KEY_LEN 50
struct rxpd {
u8 bss_type;
u8 bss_num;
- u16 rx_pkt_length;
- u16 rx_pkt_offset;
- u16 rx_pkt_type;
- u16 seq_num;
+ __le16 rx_pkt_length;
+ __le16 rx_pkt_offset;
+ __le16 rx_pkt_type;
+ __le16 seq_num;
u8 priority;
u8 rx_rate;
s8 snr;
u8 reserved;
} __packed;
+struct uap_txpd {
+ u8 bss_type;
+ u8 bss_num;
+ __le16 tx_pkt_length;
+ __le16 tx_pkt_offset;
+ __le16 tx_pkt_type;
+ __le32 tx_control;
+ u8 priority;
+ u8 flags;
+ u8 pkt_delay_2ms;
+ u8 reserved1;
+ __le32 reserved2;
+};
+
+struct uap_rxpd {
+ u8 bss_type;
+ u8 bss_num;
+ __le16 rx_pkt_length;
+ __le16 rx_pkt_offset;
+ __le16 rx_pkt_type;
+ __le16 seq_num;
+ u8 priority;
+ u8 reserved1;
+};
+
enum mwifiex_chan_scan_mode_bitmasks {
MWIFIEX_PASSIVE_SCAN = BIT(0),
MWIFIEX_DISABLE_CHAN_FILT = BIT(1),
u8 key[50];
} __packed;
+#define IGTK_PN_LEN 8
+
+struct mwifiex_cmac_param {
+ u8 ipn[IGTK_PN_LEN];
+ u8 key[WLAN_KEY_LEN_AES_CMAC];
+} __packed;
+
struct host_cmd_ds_802_11_key_material {
__le16 action;
struct mwifiex_ie_type_key_param_set key_param_set;
struct cmd_ctrl_node *cmd_node, *tmp_node;
unsigned long flags;
- if (!mwifiex_wmm_lists_empty(adapter)) {
- if (adapter->scan_delay_cnt == MWIFIEX_MAX_SCAN_DELAY_CNT) {
+ if (adapter->scan_delay_cnt == MWIFIEX_MAX_SCAN_DELAY_CNT) {
+ /*
+ * Abort scan operation by cancelling all pending scan
+ * commands
+ */
+ spin_lock_irqsave(&adapter->scan_pending_q_lock, flags);
+ list_for_each_entry_safe(cmd_node, tmp_node,
+ &adapter->scan_pending_q, list) {
+ list_del(&cmd_node->list);
+ cmd_node->wait_q_enabled = false;
+ mwifiex_insert_cmd_to_free_q(adapter, cmd_node);
+ }
+ spin_unlock_irqrestore(&adapter->scan_pending_q_lock, flags);
+
+ spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags);
+ adapter->scan_processing = false;
+ adapter->scan_delay_cnt = 0;
+ adapter->empty_tx_q_cnt = 0;
+ spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags);
+
+ if (priv->user_scan_cfg) {
+ dev_dbg(priv->adapter->dev,
+ "info: %s: scan aborted\n", __func__);
+ cfg80211_scan_done(priv->scan_request, 1);
+ priv->scan_request = NULL;
+ kfree(priv->user_scan_cfg);
+ priv->user_scan_cfg = NULL;
+ }
+ goto done;
+ }
+
+ if (!atomic_read(&priv->adapter->is_tx_received)) {
+ adapter->empty_tx_q_cnt++;
+ if (adapter->empty_tx_q_cnt == MWIFIEX_MAX_EMPTY_TX_Q_CNT) {
/*
- * Abort scan operation by cancelling all pending scan
- * command
+ * No Tx traffic for 200msec. Get scan command from
+ * scan pending queue and put to cmd pending queue to
+ * resume scan operation
*/
+ adapter->scan_delay_cnt = 0;
+ adapter->empty_tx_q_cnt = 0;
spin_lock_irqsave(&adapter->scan_pending_q_lock, flags);
- list_for_each_entry_safe(cmd_node, tmp_node,
- &adapter->scan_pending_q,
- list) {
- list_del(&cmd_node->list);
- cmd_node->wait_q_enabled = false;
- mwifiex_insert_cmd_to_free_q(adapter, cmd_node);
- }
+ cmd_node = list_first_entry(&adapter->scan_pending_q,
+ struct cmd_ctrl_node, list);
+ list_del(&cmd_node->list);
spin_unlock_irqrestore(&adapter->scan_pending_q_lock,
flags);
- spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags);
- adapter->scan_processing = false;
- spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock,
- flags);
-
- if (priv->user_scan_cfg) {
- dev_dbg(priv->adapter->dev,
- "info: %s: scan aborted\n", __func__);
- cfg80211_scan_done(priv->scan_request, 1);
- priv->scan_request = NULL;
- kfree(priv->user_scan_cfg);
- priv->user_scan_cfg = NULL;
- }
- } else {
- /*
- * Tx data queue is still not empty, delay scan
- * operation further by 20msec.
- */
- mod_timer(&priv->scan_delay_timer, jiffies +
- msecs_to_jiffies(MWIFIEX_SCAN_DELAY_MSEC));
- adapter->scan_delay_cnt++;
+ mwifiex_insert_cmd_to_pending_q(adapter, cmd_node,
+ true);
+ goto done;
}
- queue_work(priv->adapter->workqueue, &priv->adapter->main_work);
} else {
- /*
- * Tx data queue is empty. Get scan command from scan_pending_q
- * and put to cmd_pending_q to resume scan operation
- */
- adapter->scan_delay_cnt = 0;
- spin_lock_irqsave(&adapter->scan_pending_q_lock, flags);
- cmd_node = list_first_entry(&adapter->scan_pending_q,
- struct cmd_ctrl_node, list);
- list_del(&cmd_node->list);
- spin_unlock_irqrestore(&adapter->scan_pending_q_lock, flags);
-
- mwifiex_insert_cmd_to_pending_q(adapter, cmd_node, true);
+ adapter->empty_tx_q_cnt = 0;
}
+
+ /* Delay scan operation further by 20msec */
+ mod_timer(&priv->scan_delay_timer, jiffies +
+ msecs_to_jiffies(MWIFIEX_SCAN_DELAY_MSEC));
+ adapter->scan_delay_cnt++;
+
+done:
+ if (atomic_read(&priv->adapter->is_tx_received))
+ atomic_set(&priv->adapter->is_tx_received, false);
+
+ return;
}
/*
priv->curr_bcn_size = 0;
priv->wps_ie = NULL;
priv->wps_ie_len = 0;
+ priv->ap_11n_enabled = 0;
priv->scan_block = false;
memset(&adapter->arp_filter, 0, sizeof(adapter->arp_filter));
adapter->arp_filter_size = 0;
adapter->max_mgmt_ie_index = MAX_MGMT_IE_INDEX;
+ adapter->empty_tx_q_cnt = 0;
}
/*
list_del(&priv->wmm.tid_tbl_ptr[j].ra_list);
list_del(&priv->tx_ba_stream_tbl_ptr);
list_del(&priv->rx_reorder_tbl_ptr);
+ list_del(&priv->sta_list);
}
}
}
spin_lock_init(&priv->rx_pkt_lock);
spin_lock_init(&priv->wmm.ra_list_spinlock);
spin_lock_init(&priv->curr_bcn_buf_lock);
+ spin_lock_init(&priv->sta_list_spinlock);
}
}
}
INIT_LIST_HEAD(&priv->tx_ba_stream_tbl_ptr);
INIT_LIST_HEAD(&priv->rx_reorder_tbl_ptr);
+ INIT_LIST_HEAD(&priv->sta_list);
spin_lock_init(&priv->tx_ba_stream_tbl_lock);
spin_lock_init(&priv->rx_reorder_tbl_lock);
};
#define MWIFIEX_KEY_INDEX_UNICAST 0x40000000
-#define WAPI_RXPN_LEN 16
+#define PN_LEN 16
struct mwifiex_ds_encrypt_key {
u32 key_disable;
u8 key_material[WLAN_MAX_KEY_LEN];
u8 mac_addr[ETH_ALEN];
u32 is_wapi_key;
- u8 wapi_rxpn[WAPI_RXPN_LEN];
+ u8 pn[PN_LEN]; /* packet number */
+ u8 is_igtk_key;
};
struct mwifiex_power_cfg {
mwifiex_wmm_add_buf_txqueue(priv, skb);
atomic_inc(&priv->adapter->tx_pending);
+ if (priv->adapter->scan_delay_cnt)
+ atomic_set(&priv->adapter->is_tx_received, true);
+
if (atomic_read(&priv->adapter->tx_pending) >= MAX_TX_PENDING) {
mwifiex_set_trans_start(dev);
mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter);
#define MWIFIEX_MAX_TOTAL_SCAN_TIME (MWIFIEX_TIMER_10S - MWIFIEX_TIMER_1S)
#define MWIFIEX_MAX_SCAN_DELAY_CNT 50
+#define MWIFIEX_MAX_EMPTY_TX_Q_CNT 10
#define MWIFIEX_SCAN_DELAY_MSEC 20
#define RSN_GTK_OUI_OFFSET 2
u8 ra[ETH_ALEN];
u32 total_pkts_size;
u32 is_11n_enabled;
+ u16 max_amsdu;
+ u16 pkt_count;
+ u8 ba_packet_thr;
};
struct mwifiex_tid_tbl {
u8 wmm_enabled;
u8 wmm_qosinfo;
struct mwifiex_wmm_desc wmm;
+ struct list_head sta_list;
+ /* spin lock for associated station list */
+ spinlock_t sta_list_spinlock;
struct list_head tx_ba_stream_tbl_ptr;
/* spin lock for tx_ba_stream_tbl_ptr queue */
spinlock_t tx_ba_stream_tbl_lock;
u16 assocresp_idx;
u16 rsn_idx;
struct timer_list scan_delay_timer;
+ u8 ap_11n_enabled;
};
enum mwifiex_ba_status {
u64 fw_tsf;
};
+/* This is AP specific structure which stores information
+ * about associated STA
+ */
+struct mwifiex_sta_node {
+ struct list_head list;
+ u8 mac_addr[ETH_ALEN];
+ u8 is_wmm_enabled;
+ u8 is_11n_enabled;
+ u8 ampdu_sta[MAX_NUM_TID];
+ u16 rx_seq[MAX_NUM_TID];
+ u16 max_amsdu;
+};
+
struct mwifiex_if_ops {
int (*init_if) (struct mwifiex_adapter *);
void (*cleanup_if) (struct mwifiex_adapter *);
u8 country_code[IEEE80211_COUNTRY_STRING_LEN];
u16 max_mgmt_ie_index;
u8 scan_delay_cnt;
+ u8 empty_tx_q_cnt;
+ atomic_t is_tx_received;
+ atomic_t pending_bridged_pkts;
};
int mwifiex_init_lock_list(struct mwifiex_adapter *adapter);
struct host_cmd_ds_command *resp);
int mwifiex_process_sta_rx_packet(struct mwifiex_adapter *,
struct sk_buff *skb);
+int mwifiex_process_uap_rx_packet(struct mwifiex_adapter *adapter,
+ struct sk_buff *skb);
+int mwifiex_handle_uap_rx_forward(struct mwifiex_private *priv,
+ struct sk_buff *skb);
int mwifiex_process_sta_event(struct mwifiex_private *);
+int mwifiex_process_uap_event(struct mwifiex_private *);
+struct mwifiex_sta_node *
+mwifiex_get_sta_entry(struct mwifiex_private *priv, u8 *mac);
+void mwifiex_delete_all_station_list(struct mwifiex_private *priv);
void *mwifiex_process_sta_txpd(struct mwifiex_private *, struct sk_buff *skb);
int mwifiex_sta_init_cmd(struct mwifiex_private *, u8 first_sta);
int mwifiex_cmd_802_11_scan(struct host_cmd_ds_command *cmd,
const struct mwifiex_user_scan_cfg *user_scan_in);
int mwifiex_set_radio(struct mwifiex_private *priv, u8 option);
-int mwifiex_set_encode(struct mwifiex_private *priv, const u8 *key,
- int key_len, u8 key_index, const u8 *mac_addr,
- int disable);
+int mwifiex_set_encode(struct mwifiex_private *priv, struct key_params *kp,
+ const u8 *key, int key_len, u8 key_index,
+ const u8 *mac_addr, int disable);
int mwifiex_set_gen_ie(struct mwifiex_private *priv, u8 *ie, int ie_len);
*max_chan_per_scan = 2;
else if (chan_num < MWIFIEX_LIMIT_3_CHANNELS_PER_SCAN_CMD)
*max_chan_per_scan = 3;
+ else
+ *max_chan_per_scan = 4;
}
}
if (ret)
dev_err(priv->adapter->dev, "cannot find ssid "
"%s\n", bss_desc->ssid.ssid);
- break;
+ break;
default:
- ret = 0;
+ ret = 0;
}
}
memcpy(&key_material->key_param_set.key[2],
enc_key->key_material, enc_key->key_len);
memcpy(&key_material->key_param_set.key[2 + enc_key->key_len],
- enc_key->wapi_rxpn, WAPI_RXPN_LEN);
+ enc_key->pn, PN_LEN);
key_material->key_param_set.length =
cpu_to_le16(WAPI_KEY_LEN + KEYPARAMSET_FIXED_LEN);
return ret;
}
if (enc_key->key_len == WLAN_KEY_LEN_CCMP) {
- dev_dbg(priv->adapter->dev, "cmd: WPA_AES\n");
- key_material->key_param_set.key_type_id =
+ if (enc_key->is_igtk_key) {
+ dev_dbg(priv->adapter->dev, "cmd: CMAC_AES\n");
+ key_material->key_param_set.key_type_id =
+ cpu_to_le16(KEY_TYPE_ID_AES_CMAC);
+ if (cmd_oid == KEY_INFO_ENABLED)
+ key_material->key_param_set.key_info =
+ cpu_to_le16(KEY_ENABLED);
+ else
+ key_material->key_param_set.key_info =
+ cpu_to_le16(!KEY_ENABLED);
+
+ key_material->key_param_set.key_info |=
+ cpu_to_le16(KEY_IGTK);
+ } else {
+ dev_dbg(priv->adapter->dev, "cmd: WPA_AES\n");
+ key_material->key_param_set.key_type_id =
cpu_to_le16(KEY_TYPE_ID_AES);
- if (cmd_oid == KEY_INFO_ENABLED)
- key_material->key_param_set.key_info =
+ if (cmd_oid == KEY_INFO_ENABLED)
+ key_material->key_param_set.key_info =
cpu_to_le16(KEY_ENABLED);
- else
- key_material->key_param_set.key_info =
+ else
+ key_material->key_param_set.key_info =
cpu_to_le16(!KEY_ENABLED);
- if (enc_key->key_index & MWIFIEX_KEY_INDEX_UNICAST)
+ if (enc_key->key_index & MWIFIEX_KEY_INDEX_UNICAST)
/* AES pairwise key: unicast */
- key_material->key_param_set.key_info |=
+ key_material->key_param_set.key_info |=
cpu_to_le16(KEY_UNICAST);
- else /* AES group key: multicast */
- key_material->key_param_set.key_info |=
+ else /* AES group key: multicast */
+ key_material->key_param_set.key_info |=
cpu_to_le16(KEY_MCAST);
+ }
} else if (enc_key->key_len == WLAN_KEY_LEN_TKIP) {
dev_dbg(priv->adapter->dev, "cmd: WPA_TKIP\n");
key_material->key_param_set.key_type_id =
key_param_len = (u16)(enc_key->key_len + KEYPARAMSET_FIXED_LEN)
+ sizeof(struct mwifiex_ie_types_header);
+ if (le16_to_cpu(key_material->key_param_set.key_type_id) ==
+ KEY_TYPE_ID_AES_CMAC) {
+ struct mwifiex_cmac_param *param =
+ (void *)key_material->key_param_set.key;
+
+ memcpy(param->ipn, enc_key->pn, IGTK_PN_LEN);
+ memcpy(param->key, enc_key->key_material,
+ WLAN_KEY_LEN_AES_CMAC);
+
+ key_param_len = sizeof(struct mwifiex_cmac_param);
+ key_material->key_param_set.key_len =
+ cpu_to_le16(key_param_len);
+ key_param_len += KEYPARAMSET_FIXED_LEN;
+ key_material->key_param_set.length =
+ cpu_to_le16(key_param_len);
+ key_param_len += sizeof(struct mwifiex_ie_types_header);
+ }
+
cmd->size = cpu_to_le16(sizeof(key_material->action) + S_DS_GEN
+ key_param_len);
int mwifiex_process_sta_event(struct mwifiex_private *priv)
{
struct mwifiex_adapter *adapter = priv->adapter;
- int len, ret = 0;
+ int ret = 0;
u32 eventcause = adapter->event_cause;
- struct station_info sinfo;
- struct mwifiex_assoc_event *event;
+ u16 ctrl;
switch (eventcause) {
case EVENT_DUMMY_HOST_WAKEUP_SIGNAL:
case EVENT_MIC_ERR_UNICAST:
dev_dbg(adapter->dev, "event: UNICAST MIC ERROR\n");
+ cfg80211_michael_mic_failure(priv->netdev, priv->cfg_bssid,
+ NL80211_KEYTYPE_PAIRWISE,
+ -1, NULL, GFP_KERNEL);
break;
case EVENT_MIC_ERR_MULTICAST:
dev_dbg(adapter->dev, "event: MULTICAST MIC ERROR\n");
+ cfg80211_michael_mic_failure(priv->netdev, priv->cfg_bssid,
+ NL80211_KEYTYPE_GROUP,
+ -1, NULL, GFP_KERNEL);
break;
case EVENT_MIB_CHANGED:
case EVENT_INIT_DONE:
adapter->event_body);
break;
case EVENT_AMSDU_AGGR_CTRL:
- dev_dbg(adapter->dev, "event: AMSDU_AGGR_CTRL %d\n",
- *(u16 *) adapter->event_body);
+ ctrl = le16_to_cpu(*(__le16 *)adapter->event_body);
+ dev_dbg(adapter->dev, "event: AMSDU_AGGR_CTRL %d\n", ctrl);
+
adapter->tx_buf_size =
- min(adapter->curr_tx_buf_size,
- le16_to_cpu(*(__le16 *) adapter->event_body));
+ min_t(u16, adapter->curr_tx_buf_size, ctrl);
dev_dbg(adapter->dev, "event: tx_buf_size %d\n",
adapter->tx_buf_size);
break;
dev_dbg(adapter->dev, "event: HOSTWAKE_STAIE %d\n", eventcause);
break;
- case EVENT_UAP_STA_ASSOC:
- memset(&sinfo, 0, sizeof(sinfo));
- event = (struct mwifiex_assoc_event *)
- (adapter->event_body + MWIFIEX_UAP_EVENT_EXTRA_HEADER);
- if (le16_to_cpu(event->type) == TLV_TYPE_UAP_MGMT_FRAME) {
- len = -1;
-
- if (ieee80211_is_assoc_req(event->frame_control))
- len = 0;
- else if (ieee80211_is_reassoc_req(event->frame_control))
- /* There will be ETH_ALEN bytes of
- * current_ap_addr before the re-assoc ies.
- */
- len = ETH_ALEN;
-
- if (len != -1) {
- sinfo.filled = STATION_INFO_ASSOC_REQ_IES;
- sinfo.assoc_req_ies = &event->data[len];
- len = (u8 *)sinfo.assoc_req_ies -
- (u8 *)&event->frame_control;
- sinfo.assoc_req_ies_len =
- le16_to_cpu(event->len) - (u16)len;
- }
- }
- cfg80211_new_sta(priv->netdev, event->sta_addr, &sinfo,
- GFP_KERNEL);
- break;
- case EVENT_UAP_STA_DEAUTH:
- cfg80211_del_sta(priv->netdev, adapter->event_body +
- MWIFIEX_UAP_EVENT_EXTRA_HEADER, GFP_KERNEL);
- break;
- case EVENT_UAP_BSS_IDLE:
- priv->media_connected = false;
- break;
- case EVENT_UAP_BSS_ACTIVE:
- priv->media_connected = true;
- break;
- case EVENT_UAP_BSS_START:
- dev_dbg(adapter->dev, "AP EVENT: event id: %#x\n", eventcause);
- memcpy(priv->netdev->dev_addr, adapter->event_body+2, ETH_ALEN);
- break;
- case EVENT_UAP_MIC_COUNTERMEASURES:
- /* For future development */
- dev_dbg(adapter->dev, "AP EVENT: event id: %#x\n", eventcause);
- break;
default:
dev_dbg(adapter->dev, "event: unknown event id: %#x\n",
eventcause);
* This function allocates the IOCTL request buffer, fills it
* with requisite parameters and calls the IOCTL handler.
*/
-int mwifiex_set_encode(struct mwifiex_private *priv, const u8 *key,
- int key_len, u8 key_index,
- const u8 *mac_addr, int disable)
+int mwifiex_set_encode(struct mwifiex_private *priv, struct key_params *kp,
+ const u8 *key, int key_len, u8 key_index,
+ const u8 *mac_addr, int disable)
{
struct mwifiex_ds_encrypt_key encrypt_key;
memset(&encrypt_key, 0, sizeof(struct mwifiex_ds_encrypt_key));
encrypt_key.key_len = key_len;
+
+ if (kp && kp->cipher == WLAN_CIPHER_SUITE_AES_CMAC)
+ encrypt_key.is_igtk_key = true;
+
if (!disable) {
encrypt_key.key_index = key_index;
if (key_len)
memcpy(encrypt_key.key_material, key, key_len);
if (mac_addr)
memcpy(encrypt_key.mac_addr, mac_addr, ETH_ALEN);
+ if (kp && kp->seq && kp->seq_len)
+ memcpy(encrypt_key.pn, kp->seq, kp->seq_len);
} else {
encrypt_key.key_disable = true;
if (mac_addr)
local_rx_pd = (struct rxpd *) (skb->data);
- rx_pkt_hdr = (struct rx_packet_hdr *) ((u8 *) local_rx_pd +
- local_rx_pd->rx_pkt_offset);
+ rx_pkt_hdr = (void *)local_rx_pd +
+ le16_to_cpu(local_rx_pd->rx_pkt_offset);
if (!memcmp(&rx_pkt_hdr->rfc1042_hdr,
rfc1042_eth_hdr, sizeof(rfc1042_eth_hdr))) {
struct mwifiex_rxinfo *rx_info = MWIFIEX_SKB_RXCB(skb);
struct rx_packet_hdr *rx_pkt_hdr;
u8 ta[ETH_ALEN];
- u16 rx_pkt_type;
+ u16 rx_pkt_type, rx_pkt_offset, rx_pkt_length, seq_num;
struct mwifiex_private *priv =
mwifiex_get_priv_by_id(adapter, rx_info->bss_num,
rx_info->bss_type);
return -1;
local_rx_pd = (struct rxpd *) (skb->data);
- rx_pkt_type = local_rx_pd->rx_pkt_type;
+ rx_pkt_type = le16_to_cpu(local_rx_pd->rx_pkt_type);
+ rx_pkt_offset = le16_to_cpu(local_rx_pd->rx_pkt_offset);
+ rx_pkt_length = le16_to_cpu(local_rx_pd->rx_pkt_length);
+ seq_num = le16_to_cpu(local_rx_pd->seq_num);
- rx_pkt_hdr = (struct rx_packet_hdr *) ((u8 *) local_rx_pd +
- local_rx_pd->rx_pkt_offset);
+ rx_pkt_hdr = (void *)local_rx_pd + rx_pkt_offset;
- if ((local_rx_pd->rx_pkt_offset + local_rx_pd->rx_pkt_length) >
- (u16) skb->len) {
- dev_err(adapter->dev, "wrong rx packet: len=%d,"
- " rx_pkt_offset=%d, rx_pkt_length=%d\n", skb->len,
- local_rx_pd->rx_pkt_offset, local_rx_pd->rx_pkt_length);
+ if ((rx_pkt_offset + rx_pkt_length) > (u16) skb->len) {
+ dev_err(adapter->dev,
+ "wrong rx packet: len=%d, rx_pkt_offset=%d, rx_pkt_length=%d\n",
+ skb->len, rx_pkt_offset, rx_pkt_length);
priv->stats.rx_dropped++;
if (adapter->if_ops.data_complete)
return ret;
}
- if (local_rx_pd->rx_pkt_type == PKT_TYPE_AMSDU) {
+ if (rx_pkt_type == PKT_TYPE_AMSDU) {
struct sk_buff_head list;
struct sk_buff *rx_skb;
__skb_queue_head_init(&list);
- skb_pull(skb, local_rx_pd->rx_pkt_offset);
- skb_trim(skb, local_rx_pd->rx_pkt_length);
+ skb_pull(skb, rx_pkt_offset);
+ skb_trim(skb, rx_pkt_length);
ieee80211_amsdu_to_8023s(skb, &list, priv->curr_addr,
priv->wdev->iftype, 0, false);
memcpy(ta, rx_pkt_hdr->eth803_hdr.h_source, ETH_ALEN);
} else {
if (rx_pkt_type != PKT_TYPE_BAR)
- priv->rx_seq[local_rx_pd->priority] =
- local_rx_pd->seq_num;
+ priv->rx_seq[local_rx_pd->priority] = seq_num;
memcpy(ta, priv->curr_bss_params.bss_descriptor.mac_address,
ETH_ALEN);
}
/* Reorder and send to OS */
- ret = mwifiex_11n_rx_reorder_pkt(priv, local_rx_pd->seq_num,
- local_rx_pd->priority, ta,
- (u8) local_rx_pd->rx_pkt_type,
- skb);
+ ret = mwifiex_11n_rx_reorder_pkt(priv, seq_num, local_rx_pd->priority,
+ ta, (u8) rx_pkt_type, skb);
if (ret || (rx_pkt_type == PKT_TYPE_BAR)) {
if (adapter->if_ops.data_complete)
rx_info->bss_num = priv->bss_num;
rx_info->bss_type = priv->bss_type;
+ if (priv->bss_role == MWIFIEX_BSS_ROLE_UAP)
+ return mwifiex_process_uap_rx_packet(adapter, skb);
+
return mwifiex_process_sta_rx_packet(adapter, skb);
}
EXPORT_SYMBOL_GPL(mwifiex_handle_rx_packet);
priv->stats.tx_errors++;
}
+ if (tx_info->flags & MWIFIEX_BUF_FLAG_BRIDGED_PKT)
+ atomic_dec_return(&adapter->pending_bridged_pkts);
if (atomic_dec_return(&adapter->tx_pending) >= LOW_TX_PENDING)
goto done;
if (ht_ie) {
memcpy(&bss_cfg->ht_cap, ht_ie + 2,
sizeof(struct ieee80211_ht_cap));
+ priv->ap_11n_enabled = 1;
} else {
memset(&bss_cfg->ht_cap , 0, sizeof(struct ieee80211_ht_cap));
bss_cfg->ht_cap.cap_info = cpu_to_le16(MWIFIEX_DEF_HT_CAP);
--- /dev/null
+/*
+ * Marvell Wireless LAN device driver: AP event handling
+ *
+ * Copyright (C) 2012, Marvell International Ltd.
+ *
+ * This software file (the "File") is distributed by Marvell International
+ * Ltd. under the terms of the GNU General Public License Version 2, June 1991
+ * (the "License"). You may use, redistribute and/or modify this File in
+ * accordance with the terms and conditions of the License, a copy of which
+ * is available by writing to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
+ * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
+ *
+ * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
+ * ARE EXPRESSLY DISCLAIMED. The License provides additional details about
+ * this warranty disclaimer.
+ */
+
+#include "decl.h"
+#include "main.h"
+#include "11n.h"
+
+/*
+ * This function will return the pointer to station entry in station list
+ * table which matches specified mac address.
+ * This function should be called after acquiring RA list spinlock.
+ * NULL is returned if station entry is not found in associated STA list.
+ */
+struct mwifiex_sta_node *
+mwifiex_get_sta_entry(struct mwifiex_private *priv, u8 *mac)
+{
+ struct mwifiex_sta_node *node;
+
+ if (!mac)
+ return NULL;
+
+ list_for_each_entry(node, &priv->sta_list, list) {
+ if (!memcmp(node->mac_addr, mac, ETH_ALEN))
+ return node;
+ }
+
+ return NULL;
+}
+
+/*
+ * This function will add a sta_node entry to associated station list
+ * table with the given mac address.
+ * If entry exist already, existing entry is returned.
+ * If received mac address is NULL, NULL is returned.
+ */
+static struct mwifiex_sta_node *
+mwifiex_add_sta_entry(struct mwifiex_private *priv, u8 *mac)
+{
+ struct mwifiex_sta_node *node;
+ unsigned long flags;
+
+ if (!mac)
+ return NULL;
+
+ spin_lock_irqsave(&priv->sta_list_spinlock, flags);
+ node = mwifiex_get_sta_entry(priv, mac);
+ if (node)
+ goto done;
+
+ node = kzalloc(sizeof(struct mwifiex_sta_node), GFP_ATOMIC);
+ if (!node)
+ goto done;
+
+ memcpy(node->mac_addr, mac, ETH_ALEN);
+ list_add_tail(&node->list, &priv->sta_list);
+
+done:
+ spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);
+ return node;
+}
+
+/*
+ * This function will search for HT IE in association request IEs
+ * and set station HT parameters accordingly.
+ */
+static void
+mwifiex_set_sta_ht_cap(struct mwifiex_private *priv, const u8 *ies,
+ int ies_len, struct mwifiex_sta_node *node)
+{
+ const struct ieee80211_ht_cap *ht_cap;
+
+ if (!ies)
+ return;
+
+ ht_cap = (void *)cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, ies, ies_len);
+ if (ht_cap) {
+ node->is_11n_enabled = 1;
+ node->max_amsdu = le16_to_cpu(ht_cap->cap_info) &
+ IEEE80211_HT_CAP_MAX_AMSDU ?
+ MWIFIEX_TX_DATA_BUF_SIZE_8K :
+ MWIFIEX_TX_DATA_BUF_SIZE_4K;
+ } else {
+ node->is_11n_enabled = 0;
+ }
+
+ return;
+}
+
+/*
+ * This function will delete a station entry from station list
+ */
+static void mwifiex_del_sta_entry(struct mwifiex_private *priv, u8 *mac)
+{
+ struct mwifiex_sta_node *node, *tmp;
+ unsigned long flags;
+
+ spin_lock_irqsave(&priv->sta_list_spinlock, flags);
+
+ node = mwifiex_get_sta_entry(priv, mac);
+ if (node) {
+ list_for_each_entry_safe(node, tmp, &priv->sta_list,
+ list) {
+ list_del(&node->list);
+ kfree(node);
+ }
+ }
+
+ spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);
+ return;
+}
+
+/*
+ * This function will delete all stations from associated station list.
+ */
+static void mwifiex_del_all_sta_list(struct mwifiex_private *priv)
+{
+ struct mwifiex_sta_node *node, *tmp;
+ unsigned long flags;
+
+ spin_lock_irqsave(&priv->sta_list_spinlock, flags);
+
+ list_for_each_entry_safe(node, tmp, &priv->sta_list, list) {
+ list_del(&node->list);
+ kfree(node);
+ }
+
+ INIT_LIST_HEAD(&priv->sta_list);
+ spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);
+ return;
+}
+
+/*
+ * This function handles AP interface specific events generated by firmware.
+ *
+ * Event specific routines are called by this function based
+ * upon the generated event cause.
+ *
+ *
+ * Events supported for AP -
+ * - EVENT_UAP_STA_ASSOC
+ * - EVENT_UAP_STA_DEAUTH
+ * - EVENT_UAP_BSS_ACTIVE
+ * - EVENT_UAP_BSS_START
+ * - EVENT_UAP_BSS_IDLE
+ * - EVENT_UAP_MIC_COUNTERMEASURES:
+ */
+int mwifiex_process_uap_event(struct mwifiex_private *priv)
+{
+ struct mwifiex_adapter *adapter = priv->adapter;
+ int len, i;
+ u32 eventcause = adapter->event_cause;
+ struct station_info sinfo;
+ struct mwifiex_assoc_event *event;
+ struct mwifiex_sta_node *node;
+ u8 *deauth_mac;
+ struct host_cmd_ds_11n_batimeout *ba_timeout;
+ u16 ctrl;
+
+ switch (eventcause) {
+ case EVENT_UAP_STA_ASSOC:
+ memset(&sinfo, 0, sizeof(sinfo));
+ event = (struct mwifiex_assoc_event *)
+ (adapter->event_body + MWIFIEX_UAP_EVENT_EXTRA_HEADER);
+ if (le16_to_cpu(event->type) == TLV_TYPE_UAP_MGMT_FRAME) {
+ len = -1;
+
+ if (ieee80211_is_assoc_req(event->frame_control))
+ len = 0;
+ else if (ieee80211_is_reassoc_req(event->frame_control))
+ /* There will be ETH_ALEN bytes of
+ * current_ap_addr before the re-assoc ies.
+ */
+ len = ETH_ALEN;
+
+ if (len != -1) {
+ sinfo.filled = STATION_INFO_ASSOC_REQ_IES;
+ sinfo.assoc_req_ies = &event->data[len];
+ len = (u8 *)sinfo.assoc_req_ies -
+ (u8 *)&event->frame_control;
+ sinfo.assoc_req_ies_len =
+ le16_to_cpu(event->len) - (u16)len;
+ }
+ }
+ cfg80211_new_sta(priv->netdev, event->sta_addr, &sinfo,
+ GFP_KERNEL);
+
+ node = mwifiex_add_sta_entry(priv, event->sta_addr);
+ if (!node) {
+ dev_warn(adapter->dev,
+ "could not create station entry!\n");
+ return -1;
+ }
+
+ if (!priv->ap_11n_enabled)
+ break;
+
+ mwifiex_set_sta_ht_cap(priv, sinfo.assoc_req_ies,
+ sinfo.assoc_req_ies_len, node);
+
+ for (i = 0; i < MAX_NUM_TID; i++) {
+ if (node->is_11n_enabled)
+ node->ampdu_sta[i] =
+ priv->aggr_prio_tbl[i].ampdu_user;
+ else
+ node->ampdu_sta[i] = BA_STREAM_NOT_ALLOWED;
+ }
+ memset(node->rx_seq, 0xff, sizeof(node->rx_seq));
+ break;
+ case EVENT_UAP_STA_DEAUTH:
+ deauth_mac = adapter->event_body +
+ MWIFIEX_UAP_EVENT_EXTRA_HEADER;
+ cfg80211_del_sta(priv->netdev, deauth_mac, GFP_KERNEL);
+
+ if (priv->ap_11n_enabled) {
+ mwifiex_11n_del_rx_reorder_tbl_by_ta(priv, deauth_mac);
+ mwifiex_del_tx_ba_stream_tbl_by_ra(priv, deauth_mac);
+ }
+ mwifiex_del_sta_entry(priv, deauth_mac);
+ break;
+ case EVENT_UAP_BSS_IDLE:
+ priv->media_connected = false;
+ mwifiex_clean_txrx(priv);
+ mwifiex_del_all_sta_list(priv);
+ break;
+ case EVENT_UAP_BSS_ACTIVE:
+ priv->media_connected = true;
+ break;
+ case EVENT_UAP_BSS_START:
+ dev_dbg(adapter->dev, "AP EVENT: event id: %#x\n", eventcause);
+ memcpy(priv->netdev->dev_addr, adapter->event_body + 2,
+ ETH_ALEN);
+ break;
+ case EVENT_UAP_MIC_COUNTERMEASURES:
+ /* For future development */
+ dev_dbg(adapter->dev, "AP EVENT: event id: %#x\n", eventcause);
+ break;
+ case EVENT_AMSDU_AGGR_CTRL:
+ ctrl = le16_to_cpu(*(__le16 *)adapter->event_body);
+ dev_dbg(adapter->dev, "event: AMSDU_AGGR_CTRL %d\n", ctrl);
+
+ if (priv->media_connected) {
+ adapter->tx_buf_size =
+ min_t(u16, adapter->curr_tx_buf_size, ctrl);
+ dev_dbg(adapter->dev, "event: tx_buf_size %d\n",
+ adapter->tx_buf_size);
+ }
+ break;
+ case EVENT_ADDBA:
+ dev_dbg(adapter->dev, "event: ADDBA Request\n");
+ if (priv->media_connected)
+ mwifiex_send_cmd_async(priv, HostCmd_CMD_11N_ADDBA_RSP,
+ HostCmd_ACT_GEN_SET, 0,
+ adapter->event_body);
+ break;
+ case EVENT_DELBA:
+ dev_dbg(adapter->dev, "event: DELBA Request\n");
+ if (priv->media_connected)
+ mwifiex_11n_delete_ba_stream(priv, adapter->event_body);
+ break;
+ case EVENT_BA_STREAM_TIEMOUT:
+ dev_dbg(adapter->dev, "event: BA Stream timeout\n");
+ if (priv->media_connected) {
+ ba_timeout = (void *)adapter->event_body;
+ mwifiex_11n_ba_stream_timeout(priv, ba_timeout);
+ }
+ break;
+ default:
+ dev_dbg(adapter->dev, "event: unknown event id: %#x\n",
+ eventcause);
+ break;
+ }
+
+ return 0;
+}
--- /dev/null
+/*
+ * Marvell Wireless LAN device driver: AP TX and RX data handling
+ *
+ * Copyright (C) 2012, Marvell International Ltd.
+ *
+ * This software file (the "File") is distributed by Marvell International
+ * Ltd. under the terms of the GNU General Public License Version 2, June 1991
+ * (the "License"). You may use, redistribute and/or modify this File in
+ * accordance with the terms and conditions of the License, a copy of which
+ * is available by writing to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
+ * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
+ *
+ * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
+ * ARE EXPRESSLY DISCLAIMED. The License provides additional details about
+ * this warranty disclaimer.
+ */
+
+#include "decl.h"
+#include "ioctl.h"
+#include "main.h"
+#include "wmm.h"
+#include "11n_aggr.h"
+#include "11n_rxreorder.h"
+
+static void mwifiex_uap_queue_bridged_pkt(struct mwifiex_private *priv,
+ struct sk_buff *skb)
+{
+ struct mwifiex_adapter *adapter = priv->adapter;
+ struct uap_rxpd *uap_rx_pd;
+ struct rx_packet_hdr *rx_pkt_hdr;
+ struct sk_buff *new_skb;
+ struct mwifiex_txinfo *tx_info;
+ int hdr_chop;
+ struct timeval tv;
+ u8 rfc1042_eth_hdr[ETH_ALEN] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
+
+ uap_rx_pd = (struct uap_rxpd *)(skb->data);
+ rx_pkt_hdr = (void *)uap_rx_pd + le16_to_cpu(uap_rx_pd->rx_pkt_offset);
+
+ if ((atomic_read(&adapter->pending_bridged_pkts) >=
+ MWIFIEX_BRIDGED_PKTS_THRESHOLD)) {
+ dev_err(priv->adapter->dev,
+ "Tx: Bridge packet limit reached. Drop packet!\n");
+ kfree_skb(skb);
+ return;
+ }
+
+ if (!memcmp(&rx_pkt_hdr->rfc1042_hdr,
+ rfc1042_eth_hdr, sizeof(rfc1042_eth_hdr)))
+ /* Chop off the rxpd + the excess memory from
+ * 802.2/llc/snap header that was removed.
+ */
+ hdr_chop = (u8 *)eth_hdr - (u8 *)uap_rx_pd;
+ else
+ /* Chop off the rxpd */
+ hdr_chop = (u8 *)&rx_pkt_hdr->eth803_hdr - (u8 *)uap_rx_pd;
+
+ /* Chop off the leading header bytes so the it points
+ * to the start of either the reconstructed EthII frame
+ * or the 802.2/llc/snap frame.
+ */
+ skb_pull(skb, hdr_chop);
+
+ if (skb_headroom(skb) < MWIFIEX_MIN_DATA_HEADER_LEN) {
+ dev_dbg(priv->adapter->dev,
+ "data: Tx: insufficient skb headroom %d\n",
+ skb_headroom(skb));
+ /* Insufficient skb headroom - allocate a new skb */
+ new_skb =
+ skb_realloc_headroom(skb, MWIFIEX_MIN_DATA_HEADER_LEN);
+ if (unlikely(!new_skb)) {
+ dev_err(priv->adapter->dev,
+ "Tx: cannot allocate new_skb\n");
+ kfree_skb(skb);
+ priv->stats.tx_dropped++;
+ return;
+ }
+
+ kfree_skb(skb);
+ skb = new_skb;
+ dev_dbg(priv->adapter->dev, "info: new skb headroom %d\n",
+ skb_headroom(skb));
+ }
+
+ tx_info = MWIFIEX_SKB_TXCB(skb);
+ tx_info->bss_num = priv->bss_num;
+ tx_info->bss_type = priv->bss_type;
+ tx_info->flags |= MWIFIEX_BUF_FLAG_BRIDGED_PKT;
+
+ do_gettimeofday(&tv);
+ skb->tstamp = timeval_to_ktime(tv);
+ mwifiex_wmm_add_buf_txqueue(priv, skb);
+ atomic_inc(&adapter->tx_pending);
+ atomic_inc(&adapter->pending_bridged_pkts);
+
+ if ((atomic_read(&adapter->tx_pending) >= MAX_TX_PENDING)) {
+ mwifiex_set_trans_start(priv->netdev);
+ mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter);
+ }
+ return;
+}
+
+/*
+ * This function contains logic for AP packet forwarding.
+ *
+ * If a packet is multicast/broadcast, it is sent to kernel/upper layer
+ * as well as queued back to AP TX queue so that it can be sent to other
+ * associated stations.
+ * If a packet is unicast and RA is present in associated station list,
+ * it is again requeued into AP TX queue.
+ * If a packet is unicast and RA is not in associated station list,
+ * packet is forwarded to kernel to handle routing logic.
+ */
+int mwifiex_handle_uap_rx_forward(struct mwifiex_private *priv,
+ struct sk_buff *skb)
+{
+ struct mwifiex_adapter *adapter = priv->adapter;
+ struct uap_rxpd *uap_rx_pd;
+ struct rx_packet_hdr *rx_pkt_hdr;
+ u8 ra[ETH_ALEN];
+ struct sk_buff *skb_uap;
+
+ uap_rx_pd = (struct uap_rxpd *)(skb->data);
+ rx_pkt_hdr = (void *)uap_rx_pd + le16_to_cpu(uap_rx_pd->rx_pkt_offset);
+
+ /* don't do packet forwarding in disconnected state */
+ if (!priv->media_connected) {
+ dev_err(adapter->dev, "drop packet in disconnected state.\n");
+ dev_kfree_skb_any(skb);
+ return 0;
+ }
+
+ memcpy(ra, rx_pkt_hdr->eth803_hdr.h_dest, ETH_ALEN);
+
+ if (is_multicast_ether_addr(ra)) {
+ skb_uap = skb_copy(skb, GFP_ATOMIC);
+ mwifiex_uap_queue_bridged_pkt(priv, skb_uap);
+ } else {
+ if (mwifiex_get_sta_entry(priv, ra)) {
+ /* Requeue Intra-BSS packet */
+ mwifiex_uap_queue_bridged_pkt(priv, skb);
+ return 0;
+ }
+ }
+
+ /* Forward unicat/Inter-BSS packets to kernel. */
+ return mwifiex_process_rx_packet(adapter, skb);
+}
+
+/*
+ * This function processes the packet received on AP interface.
+ *
+ * The function looks into the RxPD and performs sanity tests on the
+ * received buffer to ensure its a valid packet before processing it
+ * further. If the packet is determined to be aggregated, it is
+ * de-aggregated accordingly. Then skb is passed to AP packet forwarding logic.
+ *
+ * The completion callback is called after processing is complete.
+ */
+int mwifiex_process_uap_rx_packet(struct mwifiex_adapter *adapter,
+ struct sk_buff *skb)
+{
+ int ret;
+ struct uap_rxpd *uap_rx_pd;
+ struct mwifiex_rxinfo *rx_info = MWIFIEX_SKB_RXCB(skb);
+ struct rx_packet_hdr *rx_pkt_hdr;
+ u16 rx_pkt_type;
+ u8 ta[ETH_ALEN], pkt_type;
+ struct mwifiex_sta_node *node;
+
+ struct mwifiex_private *priv =
+ mwifiex_get_priv_by_id(adapter, rx_info->bss_num,
+ rx_info->bss_type);
+
+ if (!priv)
+ return -1;
+
+ uap_rx_pd = (struct uap_rxpd *)(skb->data);
+ rx_pkt_type = le16_to_cpu(uap_rx_pd->rx_pkt_type);
+ rx_pkt_hdr = (void *)uap_rx_pd + le16_to_cpu(uap_rx_pd->rx_pkt_offset);
+
+ if ((le16_to_cpu(uap_rx_pd->rx_pkt_offset) +
+ le16_to_cpu(uap_rx_pd->rx_pkt_length)) > (u16) skb->len) {
+ dev_err(adapter->dev,
+ "wrong rx packet: len=%d, offset=%d, length=%d\n",
+ skb->len, le16_to_cpu(uap_rx_pd->rx_pkt_offset),
+ le16_to_cpu(uap_rx_pd->rx_pkt_length));
+ priv->stats.rx_dropped++;
+
+ if (adapter->if_ops.data_complete)
+ adapter->if_ops.data_complete(adapter, skb);
+ else
+ dev_kfree_skb_any(skb);
+
+ return 0;
+ }
+
+ if (le16_to_cpu(uap_rx_pd->rx_pkt_type) == PKT_TYPE_AMSDU) {
+ struct sk_buff_head list;
+ struct sk_buff *rx_skb;
+
+ __skb_queue_head_init(&list);
+ skb_pull(skb, le16_to_cpu(uap_rx_pd->rx_pkt_offset));
+ skb_trim(skb, le16_to_cpu(uap_rx_pd->rx_pkt_length));
+
+ ieee80211_amsdu_to_8023s(skb, &list, priv->curr_addr,
+ priv->wdev->iftype, 0, false);
+
+ while (!skb_queue_empty(&list)) {
+ rx_skb = __skb_dequeue(&list);
+ ret = mwifiex_recv_packet(adapter, rx_skb);
+ if (ret)
+ dev_err(adapter->dev,
+ "AP:Rx A-MSDU failed");
+ }
+
+ return 0;
+ }
+
+ memcpy(ta, rx_pkt_hdr->eth803_hdr.h_source, ETH_ALEN);
+
+ if (rx_pkt_type != PKT_TYPE_BAR && uap_rx_pd->priority < MAX_NUM_TID) {
+ node = mwifiex_get_sta_entry(priv, ta);
+ if (node)
+ node->rx_seq[uap_rx_pd->priority] =
+ le16_to_cpu(uap_rx_pd->seq_num);
+ }
+
+ if (!priv->ap_11n_enabled ||
+ (!mwifiex_11n_get_rx_reorder_tbl(priv, uap_rx_pd->priority, ta) &&
+ (le16_to_cpu(uap_rx_pd->rx_pkt_type) != PKT_TYPE_AMSDU))) {
+ ret = mwifiex_handle_uap_rx_forward(priv, skb);
+ return ret;
+ }
+
+ /* Reorder and send to kernel */
+ pkt_type = (u8)le16_to_cpu(uap_rx_pd->rx_pkt_type);
+ ret = mwifiex_11n_rx_reorder_pkt(priv, le16_to_cpu(uap_rx_pd->seq_num),
+ uap_rx_pd->priority, ta, pkt_type,
+ skb);
+
+ if (ret || (rx_pkt_type == PKT_TYPE_BAR)) {
+ if (adapter->if_ops.data_complete)
+ adapter->if_ops.data_complete(adapter, skb);
+ else
+ dev_kfree_skb_any(skb);
+ }
+
+ if (ret)
+ priv->stats.rx_dropped++;
+
+ return ret;
+}
return ra_list;
}
+/* This function returns random no between 16 and 32 to be used as threshold
+ * for no of packets after which BA setup is initiated.
+ */
+static u8 mwifiex_get_random_ba_threshold(void)
+{
+ u32 sec, usec;
+ struct timeval ba_tstamp;
+ u8 ba_threshold;
+
+ /* setup ba_packet_threshold here random number between
+ * [BA_SETUP_PACKET_OFFSET,
+ * BA_SETUP_PACKET_OFFSET+BA_SETUP_MAX_PACKET_THRESHOLD-1]
+ */
+
+ do_gettimeofday(&ba_tstamp);
+ sec = (ba_tstamp.tv_sec & 0xFFFF) + (ba_tstamp.tv_sec >> 16);
+ usec = (ba_tstamp.tv_usec & 0xFFFF) + (ba_tstamp.tv_usec >> 16);
+ ba_threshold = (((sec << 16) + usec) % BA_SETUP_MAX_PACKET_THRESHOLD)
+ + BA_SETUP_PACKET_OFFSET;
+
+ return ba_threshold;
+}
+
/*
* This function allocates and adds a RA list for all TIDs
* with the given RA.
int i;
struct mwifiex_ra_list_tbl *ra_list;
struct mwifiex_adapter *adapter = priv->adapter;
+ struct mwifiex_sta_node *node;
+ unsigned long flags;
+
+ spin_lock_irqsave(&priv->sta_list_spinlock, flags);
+ node = mwifiex_get_sta_entry(priv, ra);
+ spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);
for (i = 0; i < MAX_NUM_TID; ++i) {
ra_list = mwifiex_wmm_allocate_ralist_node(adapter, ra);
if (!ra_list)
break;
- if (!mwifiex_queuing_ra_based(priv))
+ ra_list->is_11n_enabled = 0;
+ if (!mwifiex_queuing_ra_based(priv)) {
ra_list->is_11n_enabled = IS_11N_ENABLED(priv);
- else
- ra_list->is_11n_enabled = false;
+ } else {
+ ra_list->is_11n_enabled =
+ mwifiex_is_sta_11n_enabled(priv, node);
+ if (ra_list->is_11n_enabled)
+ ra_list->max_amsdu = node->max_amsdu;
+ }
dev_dbg(adapter->dev, "data: ralist %p: is_11n_enabled=%d\n",
ra_list, ra_list->is_11n_enabled);
+ if (ra_list->is_11n_enabled) {
+ ra_list->pkt_count = 0;
+ ra_list->ba_packet_thr =
+ mwifiex_get_random_ba_threshold();
+ }
list_add_tail(&ra_list->list,
&priv->wmm.tid_tbl_ptr[i].ra_list);
skb_queue_tail(&ra_list->skb_head, skb);
ra_list->total_pkts_size += skb->len;
+ ra_list->pkt_count++;
atomic_inc(&priv->wmm.tx_pkts_queued);
{
int count = 0, total_size = 0;
struct sk_buff *skb, *tmp;
+ int max_amsdu_size;
+
+ if (priv->bss_role == MWIFIEX_BSS_ROLE_UAP && priv->ap_11n_enabled &&
+ ptr->is_11n_enabled)
+ max_amsdu_size = min_t(int, ptr->max_amsdu, max_buf_size);
+ else
+ max_amsdu_size = max_buf_size;
skb_queue_walk_safe(&ptr->skb_head, skb, tmp) {
total_size += skb->len;
- if (total_size >= max_buf_size)
+ if (total_size >= max_amsdu_size)
break;
if (++count >= MIN_NUM_AMSDU)
return true;
skb_queue_tail(&ptr->skb_head, skb);
ptr->total_pkts_size += skb->len;
+ ptr->pkt_count++;
tx_info->flags |= MWIFIEX_BUF_FLAG_REQUEUED_PKT;
spin_unlock_irqrestore(&priv->wmm.ra_list_spinlock,
ra_list_flags);
/* ra_list_spinlock has been freed in
mwifiex_send_single_packet() */
} else {
- if (mwifiex_is_ampdu_allowed(priv, tid)) {
+ if (mwifiex_is_ampdu_allowed(priv, tid) &&
+ ptr->pkt_count > ptr->ba_packet_thr) {
if (mwifiex_space_avail_for_new_ba_stream(adapter)) {
mwifiex_create_ba_tbl(priv, ptr->ra, tid,
BA_SETUP_INPROGRESS);
}
static void
-mwl8k_txq_xmit(struct ieee80211_hw *hw, int index, struct sk_buff *skb)
+mwl8k_txq_xmit(struct ieee80211_hw *hw,
+ int index,
+ struct ieee80211_sta *sta,
+ struct sk_buff *skb)
{
struct mwl8k_priv *priv = hw->priv;
struct ieee80211_tx_info *tx_info;
struct mwl8k_vif *mwl8k_vif;
- struct ieee80211_sta *sta;
struct ieee80211_hdr *wh;
struct mwl8k_tx_queue *txq;
struct mwl8k_tx_desc *tx;
wh = &((struct mwl8k_dma_data *)skb->data)->wh;
tx_info = IEEE80211_SKB_CB(skb);
- sta = tx_info->control.sta;
mwl8k_vif = MWL8K_VIF(tx_info->control.vif);
if (tx_info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) {
tx->pkt_phys_addr = cpu_to_le32(dma);
tx->pkt_len = cpu_to_le16(skb->len);
tx->rate_info = 0;
- if (!priv->ap_fw && tx_info->control.sta != NULL)
- tx->peer_id = MWL8K_STA(tx_info->control.sta)->peer_id;
+ if (!priv->ap_fw && sta != NULL)
+ tx->peer_id = MWL8K_STA(sta)->peer_id;
else
tx->peer_id = 0;
/*
* Core driver operations.
*/
-static void mwl8k_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
+static void mwl8k_tx(struct ieee80211_hw *hw,
+ struct ieee80211_tx_control *control,
+ struct sk_buff *skb)
{
struct mwl8k_priv *priv = hw->priv;
int index = skb_get_queue_mapping(skb);
return;
}
- mwl8k_txq_xmit(hw, index, skb);
+ mwl8k_txq_xmit(hw, index, control->sta, skb);
}
static int mwl8k_start(struct ieee80211_hw *hw)
u16 freq;
u16 data;
int index;
+ int max_power;
enum ieee80211_band band;
};
for (i = 0, j = 0; (j < list->band_channel_num[band]) &&
(i < list->entries); i++) {
struct p54_channel_entry *chan = &list->channels[i];
+ struct ieee80211_channel *dest = &tmp->channels[j];
if (chan->band != band)
continue;
continue;
}
- tmp->channels[j].band = chan->band;
- tmp->channels[j].center_freq = chan->freq;
+ dest->band = chan->band;
+ dest->center_freq = chan->freq;
+ dest->max_power = chan->max_power;
priv->survey[*chan_num].channel = &tmp->channels[j];
priv->survey[*chan_num].filled = SURVEY_INFO_NOISE_DBM |
SURVEY_INFO_CHANNEL_TIME |
SURVEY_INFO_CHANNEL_TIME_BUSY |
SURVEY_INFO_CHANNEL_TIME_TX;
- tmp->channels[j].hw_value = (*chan_num);
+ dest->hw_value = (*chan_num);
j++;
(*chan_num)++;
}
return ret;
}
-static void p54_update_channel_param(struct p54_channel_list *list,
- u16 freq, u16 data)
+static struct p54_channel_entry *p54_update_channel_param(struct p54_channel_list *list,
+ u16 freq, u16 data)
{
- int band, i;
+ int i;
+ struct p54_channel_entry *entry = NULL;
/*
* usually all lists in the eeprom are mostly sorted.
*/
for (i = list->entries; i >= 0; i--) {
if (freq == list->channels[i].freq) {
- list->channels[i].data |= data;
+ entry = &list->channels[i];
break;
}
}
if ((i < 0) && (list->entries < list->max_entries)) {
/* entry does not exist yet. Initialize a new one. */
- band = p54_get_band_from_freq(freq);
+ int band = p54_get_band_from_freq(freq);
/*
* filter out frequencies which don't belong into
* any supported band.
*/
- if (band < 0)
- return ;
+ if (band >= 0) {
+ i = list->entries++;
+ list->band_channel_num[band]++;
+
+ entry = &list->channels[i];
+ entry->freq = freq;
+ entry->band = band;
+ entry->index = ieee80211_frequency_to_channel(freq);
+ entry->max_power = 0;
+ entry->data = 0;
+ }
+ }
- i = list->entries++;
- list->band_channel_num[band]++;
+ if (entry)
+ entry->data |= data;
- list->channels[i].freq = freq;
- list->channels[i].data = data;
- list->channels[i].band = band;
- list->channels[i].index = ieee80211_frequency_to_channel(freq);
- /* TODO: parse output_limit and fill max_power */
+ return entry;
+}
+
+static int p54_get_maxpower(struct p54_common *priv, void *data)
+{
+ switch (priv->rxhw & PDR_SYNTH_FRONTEND_MASK) {
+ case PDR_SYNTH_FRONTEND_LONGBOW: {
+ struct pda_channel_output_limit_longbow *pda = data;
+ int j;
+ u16 rawpower = 0;
+ pda = data;
+ for (j = 0; j < ARRAY_SIZE(pda->point); j++) {
+ struct pda_channel_output_limit_point_longbow *point =
+ &pda->point[j];
+ rawpower = max_t(u16,
+ rawpower, le16_to_cpu(point->val_qpsk));
+ rawpower = max_t(u16,
+ rawpower, le16_to_cpu(point->val_bpsk));
+ rawpower = max_t(u16,
+ rawpower, le16_to_cpu(point->val_16qam));
+ rawpower = max_t(u16,
+ rawpower, le16_to_cpu(point->val_64qam));
+ }
+ /* longbow seems to use 1/16 dBm units */
+ return rawpower / 16;
+ }
+
+ case PDR_SYNTH_FRONTEND_DUETTE3:
+ case PDR_SYNTH_FRONTEND_DUETTE2:
+ case PDR_SYNTH_FRONTEND_FRISBEE:
+ case PDR_SYNTH_FRONTEND_XBOW: {
+ struct pda_channel_output_limit *pda = data;
+ u8 rawpower = 0;
+ rawpower = max(rawpower, pda->val_qpsk);
+ rawpower = max(rawpower, pda->val_bpsk);
+ rawpower = max(rawpower, pda->val_16qam);
+ rawpower = max(rawpower, pda->val_64qam);
+ /* raw values are in 1/4 dBm units */
+ return rawpower / 4;
+ }
+
+ default:
+ return 20;
}
}
}
if (i < priv->output_limit->entries) {
- freq = le16_to_cpup((__le16 *) (i *
- priv->output_limit->entry_size +
- priv->output_limit->offset +
- priv->output_limit->data));
-
- p54_update_channel_param(list, freq, CHAN_HAS_LIMIT);
+ struct p54_channel_entry *tmp;
+
+ void *data = (void *) ((unsigned long) i *
+ priv->output_limit->entry_size +
+ priv->output_limit->offset +
+ priv->output_limit->data);
+
+ freq = le16_to_cpup((__le16 *) data);
+ tmp = p54_update_channel_param(list, freq,
+ CHAN_HAS_LIMIT);
+ if (tmp) {
+ tmp->max_power = p54_get_maxpower(priv, data);
+ }
}
if (i < priv->curve_data->entries) {
goto err;
}
+ priv->rxhw = synth & PDR_SYNTH_FRONTEND_MASK;
+
err = p54_generate_channel_lists(dev);
if (err)
goto err;
- priv->rxhw = synth & PDR_SYNTH_FRONTEND_MASK;
if (priv->rxhw == PDR_SYNTH_FRONTEND_XBOW)
p54_init_xbow_synth(priv);
if (!(synth & PDR_SYNTH_24_GHZ_DISABLED))
u8 rate_set_size;
} __packed;
+struct pda_channel_output_limit_point_longbow {
+ __le16 val_bpsk;
+ __le16 val_qpsk;
+ __le16 val_16qam;
+ __le16 val_64qam;
+} __packed;
+
+struct pda_channel_output_limit_longbow {
+ __le16 freq;
+ struct pda_channel_output_limit_point_longbow point[3];
+} __packed;
+
struct pda_pa_curve_data_sample_rev0 {
u8 rf_power;
u8 pa_detector;
void p54_unregister_leds(struct p54_common *priv);
/* xmit functions */
-void p54_tx_80211(struct ieee80211_hw *dev, struct sk_buff *skb);
+void p54_tx_80211(struct ieee80211_hw *dev,
+ struct ieee80211_tx_control *control,
+ struct sk_buff *skb);
int p54_tx_cancel(struct p54_common *priv, __le32 req_id);
void p54_tx(struct p54_common *priv, struct sk_buff *skb);
* to cancel the old beacon template by hand, instead the firmware
* will release the previous one through the feedback mechanism.
*/
- p54_tx_80211(priv->hw, beacon);
+ p54_tx_80211(priv->hw, NULL, beacon);
priv->tsf_high32 = 0;
priv->tsf_low32 = 0;
return 0;
}
+static void p54p_firmware_step2(const struct firmware *fw,
+ void *context)
+{
+ struct p54p_priv *priv = context;
+ struct ieee80211_hw *dev = priv->common.hw;
+ struct pci_dev *pdev = priv->pdev;
+ int err;
+
+ if (!fw) {
+ dev_err(&pdev->dev, "Cannot find firmware (isl3886pci)\n");
+ err = -ENOENT;
+ goto out;
+ }
+
+ priv->firmware = fw;
+
+ err = p54p_open(dev);
+ if (err)
+ goto out;
+ err = p54_read_eeprom(dev);
+ p54p_stop(dev);
+ if (err)
+ goto out;
+
+ err = p54_register_common(dev, &pdev->dev);
+ if (err)
+ goto out;
+
+out:
+
+ complete(&priv->fw_loaded);
+
+ if (err) {
+ struct device *parent = pdev->dev.parent;
+
+ if (parent)
+ device_lock(parent);
+
+ /*
+ * This will indirectly result in a call to p54p_remove.
+ * Hence, we don't need to bother with freeing any
+ * allocated ressources at all.
+ */
+ device_release_driver(&pdev->dev);
+
+ if (parent)
+ device_unlock(parent);
+ }
+
+ pci_dev_put(pdev);
+}
+
static int __devinit p54p_probe(struct pci_dev *pdev,
const struct pci_device_id *id)
{
unsigned long mem_addr, mem_len;
int err;
+ pci_dev_get(pdev);
err = pci_enable_device(pdev);
if (err) {
dev_err(&pdev->dev, "Cannot enable new PCI device\n");
priv = dev->priv;
priv->pdev = pdev;
+ init_completion(&priv->fw_loaded);
SET_IEEE80211_DEV(dev, &pdev->dev);
pci_set_drvdata(pdev, dev);
spin_lock_init(&priv->lock);
tasklet_init(&priv->tasklet, p54p_tasklet, (unsigned long)dev);
- err = request_firmware(&priv->firmware, "isl3886pci",
- &priv->pdev->dev);
- if (err) {
- dev_err(&pdev->dev, "Cannot find firmware (isl3886pci)\n");
- err = request_firmware(&priv->firmware, "isl3886",
- &priv->pdev->dev);
- if (err)
- goto err_free_common;
- }
-
- err = p54p_open(dev);
- if (err)
- goto err_free_common;
- err = p54_read_eeprom(dev);
- p54p_stop(dev);
- if (err)
- goto err_free_common;
-
- err = p54_register_common(dev, &pdev->dev);
- if (err)
- goto err_free_common;
-
- return 0;
+ err = request_firmware_nowait(THIS_MODULE, 1, "isl3886pci",
+ &priv->pdev->dev, GFP_KERNEL,
+ priv, p54p_firmware_step2);
+ if (!err)
+ return 0;
- err_free_common:
- release_firmware(priv->firmware);
pci_free_consistent(pdev, sizeof(*priv->ring_control),
priv->ring_control, priv->ring_control_dma);
pci_release_regions(pdev);
err_disable_dev:
pci_disable_device(pdev);
+ pci_dev_put(pdev);
return err;
}
if (!dev)
return;
- p54_unregister_common(dev);
priv = dev->priv;
+ wait_for_completion(&priv->fw_loaded);
+ p54_unregister_common(dev);
release_firmware(priv->firmware);
pci_free_consistent(pdev, sizeof(*priv->ring_control),
priv->ring_control, priv->ring_control_dma);
struct sk_buff *tx_buf_data[32];
struct sk_buff *tx_buf_mgmt[4];
struct completion boot_comp;
+ struct completion fw_loaded;
};
#endif /* P54USB_H */
EXPORT_SYMBOL_GPL(p54_rx);
static void p54_tx_80211_header(struct p54_common *priv, struct sk_buff *skb,
- struct ieee80211_tx_info *info, u8 *queue,
- u32 *extra_len, u16 *flags, u16 *aid,
+ struct ieee80211_tx_info *info,
+ struct ieee80211_sta *sta,
+ u8 *queue, u32 *extra_len, u16 *flags, u16 *aid,
bool *burst_possible)
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
}
}
- if (info->control.sta)
- *aid = info->control.sta->aid;
+ if (sta)
+ *aid = sta->aid;
break;
}
}
}
}
-void p54_tx_80211(struct ieee80211_hw *dev, struct sk_buff *skb)
+void p54_tx_80211(struct ieee80211_hw *dev,
+ struct ieee80211_tx_control *control,
+ struct sk_buff *skb)
{
struct p54_common *priv = dev->priv;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
u8 nrates = 0, nremaining = 8;
bool burst_allowed = false;
- p54_tx_80211_header(priv, skb, info, &queue, &extra_len,
+ p54_tx_80211_header(priv, skb, info, control->sta, &queue, &extra_len,
&hdr_flags, &aid, &burst_allowed);
if (p54_tx_qos_accounting_alloc(priv, skb, queue)) {
/*
* mac80211 handlers.
*/
-void rt2x00mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb);
+void rt2x00mac_tx(struct ieee80211_hw *hw,
+ struct ieee80211_tx_control *control,
+ struct sk_buff *skb);
int rt2x00mac_start(struct ieee80211_hw *hw);
void rt2x00mac_stop(struct ieee80211_hw *hw);
int rt2x00mac_add_interface(struct ieee80211_hw *hw,
*/
skb = ieee80211_get_buffered_bc(rt2x00dev->hw, vif);
while (skb) {
- rt2x00mac_tx(rt2x00dev->hw, skb);
+ rt2x00mac_tx(rt2x00dev->hw, NULL, skb);
skb = ieee80211_get_buffered_bc(rt2x00dev->hw, vif);
}
}
return retval;
}
-void rt2x00mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
+void rt2x00mac_tx(struct ieee80211_hw *hw,
+ struct ieee80211_tx_control *control,
+ struct sk_buff *skb)
{
struct rt2x00_dev *rt2x00dev = hw->priv;
struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
static void rt2x00queue_create_tx_descriptor_ht(struct rt2x00_dev *rt2x00dev,
struct sk_buff *skb,
struct txentry_desc *txdesc,
+ struct ieee80211_sta *sta,
const struct rt2x00_rate *hwrate)
{
struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
struct rt2x00_sta *sta_priv = NULL;
- if (tx_info->control.sta) {
+ if (sta) {
txdesc->u.ht.mpdu_density =
- tx_info->control.sta->ht_cap.ampdu_density;
+ sta->ht_cap.ampdu_density;
- sta_priv = sta_to_rt2x00_sta(tx_info->control.sta);
+ sta_priv = sta_to_rt2x00_sta(sta);
txdesc->u.ht.wcid = sta_priv->wcid;
}
* MIMO PS should be set to 1 for STA's using dynamic SM PS
* when using more then one tx stream (>MCS7).
*/
- if (tx_info->control.sta && txdesc->u.ht.mcs > 7 &&
- ((tx_info->control.sta->ht_cap.cap &
+ if (sta && txdesc->u.ht.mcs > 7 &&
+ ((sta->ht_cap.cap &
IEEE80211_HT_CAP_SM_PS) >>
IEEE80211_HT_CAP_SM_PS_SHIFT) ==
WLAN_HT_CAP_SM_PS_DYNAMIC)
static void rt2x00queue_create_tx_descriptor(struct rt2x00_dev *rt2x00dev,
struct sk_buff *skb,
- struct txentry_desc *txdesc)
+ struct txentry_desc *txdesc,
+ struct ieee80211_sta *sta)
{
struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
if (test_bit(REQUIRE_HT_TX_DESC, &rt2x00dev->cap_flags))
rt2x00queue_create_tx_descriptor_ht(rt2x00dev, skb, txdesc,
- hwrate);
+ sta, hwrate);
else
rt2x00queue_create_tx_descriptor_plcp(rt2x00dev, skb, txdesc,
hwrate);
* after that we are free to use the skb->cb array
* for our information.
*/
- rt2x00queue_create_tx_descriptor(queue->rt2x00dev, skb, &txdesc);
+ rt2x00queue_create_tx_descriptor(queue->rt2x00dev, skb, &txdesc, NULL);
/*
* All information is retrieved from the skb->cb array,
* after that we are free to use the skb->cb array
* for our information.
*/
- rt2x00queue_create_tx_descriptor(rt2x00dev, intf->beacon->skb, &txdesc);
+ rt2x00queue_create_tx_descriptor(rt2x00dev, intf->beacon->skb, &txdesc, NULL);
/*
* Fill in skb descriptor
return IRQ_HANDLED;
}
-static void rtl8180_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
+static void rtl8180_tx(struct ieee80211_hw *dev,
+ struct ieee80211_tx_control *control,
+ struct sk_buff *skb)
{
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
/* TODO: use actual beacon queue */
skb_set_queue_mapping(skb, 0);
- rtl8180_tx(dev, skb);
+ rtl8180_tx(dev, NULL, skb);
resched:
/*
}
}
-static void rtl8187_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
+static void rtl8187_tx(struct ieee80211_hw *dev,
+ struct ieee80211_tx_control *control,
+ struct sk_buff *skb)
{
struct rtl8187_priv *priv = dev->priv;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
/* TODO: use actual beacon queue */
skb_set_queue_mapping(skb, 0);
- rtl8187_tx(dev, skb);
+ rtl8187_tx(dev, NULL, skb);
resched:
/*
rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0);
info->control.rates[0].idx = 0;
- info->control.sta = sta;
info->band = hw->conf.channel->band;
- rtlpriv->intf_ops->adapter_tx(hw, skb, &tcb_desc);
+ rtlpriv->intf_ops->adapter_tx(hw, sta, skb, &tcb_desc);
}
err_free:
return 0;
mutex_unlock(&rtlpriv->locks.conf_mutex);
}
-static void rtl_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
+static void rtl_op_tx(struct ieee80211_hw *hw,
+ struct ieee80211_tx_control *control,
+ struct sk_buff *skb)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status))
goto err_free;
- if (!rtlpriv->intf_ops->waitq_insert(hw, skb))
- rtlpriv->intf_ops->adapter_tx(hw, skb, &tcb_desc);
+ if (!rtlpriv->intf_ops->waitq_insert(hw, control->sta, skb))
+ rtlpriv->intf_ops->adapter_tx(hw, control->sta, skb, &tcb_desc);
return;
_rtl_update_earlymode_info(hw, skb,
&tcb_desc, tid);
- rtlpriv->intf_ops->adapter_tx(hw, skb, &tcb_desc);
+ rtlpriv->intf_ops->adapter_tx(hw, NULL, skb, &tcb_desc);
}
}
}
info = IEEE80211_SKB_CB(pskb);
pdesc = &ring->desc[0];
rtlpriv->cfg->ops->fill_tx_desc(hw, hdr, (u8 *) pdesc,
- info, pskb, BEACON_QUEUE, &tcb_desc);
+ info, NULL, pskb, BEACON_QUEUE, &tcb_desc);
__skb_queue_tail(&ring->queue, pskb);
}
static bool rtl_pci_tx_chk_waitq_insert(struct ieee80211_hw *hw,
+ struct ieee80211_sta *sta,
struct sk_buff *skb)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
- struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
- struct ieee80211_sta *sta = info->control.sta;
struct rtl_sta_info *sta_entry = NULL;
u8 tid = rtl_get_tid(skb);
return true;
}
-static int rtl_pci_tx(struct ieee80211_hw *hw, struct sk_buff *skb,
- struct rtl_tcb_desc *ptcb_desc)
+static int rtl_pci_tx(struct ieee80211_hw *hw,
+ struct ieee80211_sta *sta,
+ struct sk_buff *skb,
+ struct rtl_tcb_desc *ptcb_desc)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_sta_info *sta_entry = NULL;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
- struct ieee80211_sta *sta = info->control.sta;
struct rtl8192_tx_ring *ring;
struct rtl_tx_desc *pdesc;
u8 idx;
rtlpriv->cfg->ops->led_control(hw, LED_CTL_TX);
rtlpriv->cfg->ops->fill_tx_desc(hw, hdr, (u8 *)pdesc,
- info, skb, hw_queue, ptcb_desc);
+ info, sta, skb, hw_queue, ptcb_desc);
__skb_queue_tail(&ring->queue, skb);
void rtl92ce_tx_fill_desc(struct ieee80211_hw *hw,
struct ieee80211_hdr *hdr, u8 *pdesc_tx,
- struct ieee80211_tx_info *info, struct sk_buff *skb,
+ struct ieee80211_tx_info *info,
+ struct ieee80211_sta *sta,
+ struct sk_buff *skb,
u8 hw_queue, struct rtl_tcb_desc *tcb_desc)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
bool defaultadapter = true;
- struct ieee80211_sta *sta;
u8 *pdesc = pdesc_tx;
u16 seq_number;
__le16 fc = hdr->frame_control;
void rtl92ce_tx_fill_desc(struct ieee80211_hw *hw,
struct ieee80211_hdr *hdr,
u8 *pdesc, struct ieee80211_tx_info *info,
+ struct ieee80211_sta *sta,
struct sk_buff *skb, u8 hw_queue,
struct rtl_tcb_desc *ptcb_desc);
bool rtl92ce_rx_query_desc(struct ieee80211_hw *hw,
void rtl92cu_tx_fill_desc(struct ieee80211_hw *hw,
struct ieee80211_hdr *hdr, u8 *pdesc_tx,
- struct ieee80211_tx_info *info, struct sk_buff *skb,
+ struct ieee80211_tx_info *info,
+ struct ieee80211_sta *sta,
+ struct sk_buff *skb,
u8 queue_index,
struct rtl_tcb_desc *tcb_desc)
{
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
bool defaultadapter = true;
- struct ieee80211_sta *sta = info->control.sta = info->control.sta;
u8 *qc = ieee80211_get_qos_ctl(hdr);
u8 tid = qc[0] & IEEE80211_QOS_CTL_TID_MASK;
u16 seq_number;
struct sk_buff_head *);
void rtl92cu_tx_fill_desc(struct ieee80211_hw *hw,
struct ieee80211_hdr *hdr, u8 *pdesc_tx,
- struct ieee80211_tx_info *info, struct sk_buff *skb,
+ struct ieee80211_tx_info *info,
+ struct ieee80211_sta *sta,
+ struct sk_buff *skb,
u8 queue_index,
struct rtl_tcb_desc *tcb_desc);
void rtl92cu_fill_fake_txdesc(struct ieee80211_hw *hw, u8 * pDesc,
void rtl92de_tx_fill_desc(struct ieee80211_hw *hw,
struct ieee80211_hdr *hdr, u8 *pdesc_tx,
- struct ieee80211_tx_info *info, struct sk_buff *skb,
+ struct ieee80211_tx_info *info,
+ struct ieee80211_sta *sta,
+ struct sk_buff *skb,
u8 hw_queue, struct rtl_tcb_desc *ptcb_desc)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
- struct ieee80211_sta *sta = info->control.sta;
u8 *pdesc = pdesc_tx;
u16 seq_number;
__le16 fc = hdr->frame_control;
void rtl92de_tx_fill_desc(struct ieee80211_hw *hw,
struct ieee80211_hdr *hdr,
u8 *pdesc, struct ieee80211_tx_info *info,
+ struct ieee80211_sta *sta,
struct sk_buff *skb, u8 hw_queue,
struct rtl_tcb_desc *ptcb_desc);
bool rtl92de_rx_query_desc(struct ieee80211_hw *hw,
void rtl92se_tx_fill_desc(struct ieee80211_hw *hw,
struct ieee80211_hdr *hdr, u8 *pdesc_tx,
- struct ieee80211_tx_info *info, struct sk_buff *skb,
+ struct ieee80211_tx_info *info,
+ struct ieee80211_sta *sta,
+ struct sk_buff *skb,
u8 hw_queue, struct rtl_tcb_desc *ptcb_desc)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
- struct ieee80211_sta *sta = info->control.sta;
u8 *pdesc = pdesc_tx;
u16 seq_number;
__le16 fc = hdr->frame_control;
void rtl92se_tx_fill_desc(struct ieee80211_hw *hw, struct ieee80211_hdr *hdr,
u8 *pdesc, struct ieee80211_tx_info *info,
+ struct ieee80211_sta *sta,
struct sk_buff *skb, u8 hw_queue,
struct rtl_tcb_desc *ptcb_desc);
void rtl92se_tx_fill_cmddesc(struct ieee80211_hw *hw, u8 *pdesc, bool firstseg,
_rtl_submit_tx_urb(hw, _urb);
}
-static void _rtl_usb_tx_preprocess(struct ieee80211_hw *hw, struct sk_buff *skb,
- u16 hw_queue)
+static void _rtl_usb_tx_preprocess(struct ieee80211_hw *hw,
+ struct ieee80211_sta *sta,
+ struct sk_buff *skb,
+ u16 hw_queue)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
seq_number += 1;
seq_number <<= 4;
}
- rtlpriv->cfg->ops->fill_tx_desc(hw, hdr, (u8 *)pdesc, info, skb,
+ rtlpriv->cfg->ops->fill_tx_desc(hw, hdr, (u8 *)pdesc, info, sta, skb,
hw_queue, &tcb_desc);
if (!ieee80211_has_morefrags(hdr->frame_control)) {
if (qc)
rtlpriv->cfg->ops->led_control(hw, LED_CTL_TX);
}
-static int rtl_usb_tx(struct ieee80211_hw *hw, struct sk_buff *skb,
+static int rtl_usb_tx(struct ieee80211_hw *hw,
+ struct ieee80211_sta *sta,
+ struct sk_buff *skb,
struct rtl_tcb_desc *dummy)
{
struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw));
if (unlikely(is_hal_stop(rtlhal)))
goto err_free;
hw_queue = rtlusb->usb_mq_to_hwq(fc, skb_get_queue_mapping(skb));
- _rtl_usb_tx_preprocess(hw, skb, hw_queue);
+ _rtl_usb_tx_preprocess(hw, sta, skb, hw_queue);
_rtl_usb_transmit(hw, skb, hw_queue);
return NETDEV_TX_OK;
}
static bool rtl_usb_tx_chk_waitq_insert(struct ieee80211_hw *hw,
+ struct ieee80211_sta *sta,
struct sk_buff *skb)
{
return false;
EEPROM_BOOT_EFUSE,
};
-enum rtl_status {
+enum ttl_status {
RTL_STATUS_INTERFACE_START = 0,
};
void (*fill_tx_desc) (struct ieee80211_hw *hw,
struct ieee80211_hdr *hdr, u8 *pdesc_tx,
struct ieee80211_tx_info *info,
+ struct ieee80211_sta *sta,
struct sk_buff *skb, u8 hw_queue,
struct rtl_tcb_desc *ptcb_desc);
void (*fill_fake_txdesc) (struct ieee80211_hw *hw, u8 *pDesc,
int (*adapter_start) (struct ieee80211_hw *hw);
void (*adapter_stop) (struct ieee80211_hw *hw);
- int (*adapter_tx) (struct ieee80211_hw *hw, struct sk_buff *skb,
- struct rtl_tcb_desc *ptcb_desc);
+ int (*adapter_tx) (struct ieee80211_hw *hw,
+ struct ieee80211_sta *sta,
+ struct sk_buff *skb,
+ struct rtl_tcb_desc *ptcb_desc);
void (*flush)(struct ieee80211_hw *hw, bool drop);
int (*reset_trx_ring) (struct ieee80211_hw *hw);
- bool (*waitq_insert) (struct ieee80211_hw *hw, struct sk_buff *skb);
+ bool (*waitq_insert) (struct ieee80211_hw *hw,
+ struct ieee80211_sta *sta,
+ struct sk_buff *skb);
/*pci */
void (*disable_aspm) (struct ieee80211_hw *hw);
return ret;
}
-static void wl1251_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
+static void wl1251_op_tx(struct ieee80211_hw *hw,
+ struct ieee80211_tx_control *control,
+ struct sk_buff *skb)
{
struct wl1251 *wl = hw->priv;
unsigned long flags;
return ret;
}
-static void wl1271_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
+static void wl1271_op_tx(struct ieee80211_hw *hw,
+ struct ieee80211_tx_control *control,
+ struct sk_buff *skb)
{
struct wl1271 *wl = hw->priv;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
mapping = skb_get_queue_mapping(skb);
q = wl1271_tx_get_queue(mapping);
- hlid = wl12xx_tx_get_hlid(wl, wlvif, skb);
+ hlid = wl12xx_tx_get_hlid(wl, wlvif, skb, control->sta);
spin_lock_irqsave(&wl->wl_lock, flags);
}
EXPORT_SYMBOL(wl12xx_is_dummy_packet);
-u8 wl12xx_tx_get_hlid_ap(struct wl1271 *wl, struct wl12xx_vif *wlvif,
- struct sk_buff *skb)
+static u8 wl12xx_tx_get_hlid_ap(struct wl1271 *wl, struct wl12xx_vif *wlvif,
+ struct sk_buff *skb, struct ieee80211_sta *sta)
{
- struct ieee80211_tx_info *control = IEEE80211_SKB_CB(skb);
-
- if (control->control.sta) {
+ if (sta) {
struct wl1271_station *wl_sta;
- wl_sta = (struct wl1271_station *)
- control->control.sta->drv_priv;
+ wl_sta = (struct wl1271_station *)sta->drv_priv;
return wl_sta->hlid;
} else {
struct ieee80211_hdr *hdr;
}
u8 wl12xx_tx_get_hlid(struct wl1271 *wl, struct wl12xx_vif *wlvif,
- struct sk_buff *skb)
+ struct sk_buff *skb, struct ieee80211_sta *sta)
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
return wl->system_hlid;
if (wlvif->bss_type == BSS_TYPE_AP_BSS)
- return wl12xx_tx_get_hlid_ap(wl, wlvif, skb);
+ return wl12xx_tx_get_hlid_ap(wl, wlvif, skb, sta);
if ((test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags) ||
test_bit(WLVIF_FLAG_IBSS_JOINED, &wlvif->flags)) &&
/* caller must hold wl->mutex */
static int wl1271_prepare_tx_frame(struct wl1271 *wl, struct wl12xx_vif *wlvif,
- struct sk_buff *skb, u32 buf_offset)
+ struct sk_buff *skb, u32 buf_offset, u8 hlid)
{
struct ieee80211_tx_info *info;
u32 extra = 0;
int ret = 0;
u32 total_len;
- u8 hlid;
bool is_dummy;
bool is_gem = false;
return -EINVAL;
}
+ if (hlid == WL12XX_INVALID_LINK_ID) {
+ wl1271_error("invalid hlid. dropping skb 0x%p", skb);
+ return -EINVAL;
+ }
+
info = IEEE80211_SKB_CB(skb);
- /* TODO: handle dummy packets on multi-vifs */
is_dummy = wl12xx_is_dummy_packet(wl, skb);
if ((wl->quirks & WLCORE_QUIRK_TKIP_HEADER_SPACE) &&
is_gem = (cipher == WL1271_CIPHER_SUITE_GEM);
}
- hlid = wl12xx_tx_get_hlid(wl, wlvif, skb);
- if (hlid == WL12XX_INVALID_LINK_ID) {
- wl1271_error("invalid hlid. dropping skb 0x%p", skb);
- return -EINVAL;
- }
ret = wl1271_tx_allocate(wl, wlvif, skb, extra, buf_offset, hlid,
is_gem);
}
static struct sk_buff *wl12xx_vif_skb_dequeue(struct wl1271 *wl,
- struct wl12xx_vif *wlvif)
+ struct wl12xx_vif *wlvif,
+ u8 *hlid)
{
struct sk_buff *skb = NULL;
int i, h, start_hlid;
if (!skb)
wlvif->last_tx_hlid = 0;
+ *hlid = wlvif->last_tx_hlid;
return skb;
}
-static struct sk_buff *wl1271_skb_dequeue(struct wl1271 *wl)
+static struct sk_buff *wl1271_skb_dequeue(struct wl1271 *wl, u8 *hlid)
{
unsigned long flags;
struct wl12xx_vif *wlvif = wl->last_wlvif;
/* continue from last wlvif (round robin) */
if (wlvif) {
wl12xx_for_each_wlvif_continue(wl, wlvif) {
- skb = wl12xx_vif_skb_dequeue(wl, wlvif);
+ skb = wl12xx_vif_skb_dequeue(wl, wlvif, hlid);
if (skb) {
wl->last_wlvif = wlvif;
break;
}
/* dequeue from the system HLID before the restarting wlvif list */
- if (!skb)
+ if (!skb) {
skb = wl12xx_lnk_skb_dequeue(wl, &wl->links[wl->system_hlid]);
+ *hlid = wl->system_hlid;
+ }
/* do a new pass over the wlvif list */
if (!skb) {
wl12xx_for_each_wlvif(wl, wlvif) {
- skb = wl12xx_vif_skb_dequeue(wl, wlvif);
+ skb = wl12xx_vif_skb_dequeue(wl, wlvif, hlid);
if (skb) {
wl->last_wlvif = wlvif;
break;
int q;
skb = wl->dummy_packet;
+ *hlid = wl->system_hlid;
q = wl1271_tx_get_queue(skb_get_queue_mapping(skb));
spin_lock_irqsave(&wl->wl_lock, flags);
WARN_ON_ONCE(wl->tx_queue_count[q] <= 0);
}
static void wl1271_skb_queue_head(struct wl1271 *wl, struct wl12xx_vif *wlvif,
- struct sk_buff *skb)
+ struct sk_buff *skb, u8 hlid)
{
unsigned long flags;
int q = wl1271_tx_get_queue(skb_get_queue_mapping(skb));
if (wl12xx_is_dummy_packet(wl, skb)) {
set_bit(WL1271_FLAG_DUMMY_PACKET_PENDING, &wl->flags);
} else {
- u8 hlid = wl12xx_tx_get_hlid(wl, wlvif, skb);
skb_queue_head(&wl->links[hlid].tx_queue[q], skb);
/* make sure we dequeue the same packet next time */
unsigned long active_hlids[BITS_TO_LONGS(WL12XX_MAX_LINKS)] = {0};
int ret = 0;
int bus_ret = 0;
+ u8 hlid;
if (unlikely(wl->state == WL1271_STATE_OFF))
return 0;
- while ((skb = wl1271_skb_dequeue(wl))) {
+ while ((skb = wl1271_skb_dequeue(wl, &hlid))) {
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
bool has_data = false;
wlvif = NULL;
if (!wl12xx_is_dummy_packet(wl, skb) && info->control.vif)
wlvif = wl12xx_vif_to_data(info->control.vif);
+ else
+ hlid = wl->system_hlid;
has_data = wlvif && wl1271_tx_is_data_present(skb);
- ret = wl1271_prepare_tx_frame(wl, wlvif, skb, buf_offset);
+ ret = wl1271_prepare_tx_frame(wl, wlvif, skb, buf_offset,
+ hlid);
if (ret == -EAGAIN) {
/*
* Aggregation buffer is full.
* Flush buffer and try again.
*/
- wl1271_skb_queue_head(wl, wlvif, skb);
+ wl1271_skb_queue_head(wl, wlvif, skb, hlid);
buf_offset = wlcore_hw_pre_pkt_send(wl, buf_offset,
last_len);
* Firmware buffer is full.
* Queue back last skb, and stop aggregating.
*/
- wl1271_skb_queue_head(wl, wlvif, skb);
+ wl1271_skb_queue_head(wl, wlvif, skb, hlid);
/* No work left, avoid scheduling redundant tx work */
set_bit(WL1271_FLAG_FW_TX_BUSY, &wl->flags);
goto out_ack;
* fw still expects dummy packet,
* so re-enqueue it
*/
- wl1271_skb_queue_head(wl, wlvif, skb);
+ wl1271_skb_queue_head(wl, wlvif, skb, hlid);
else
ieee80211_free_txskb(wl->hw, skb);
goto out_ack;
u32 wl1271_tx_enabled_rates_get(struct wl1271 *wl, u32 rate_set,
enum ieee80211_band rate_band);
u32 wl1271_tx_min_rate_get(struct wl1271 *wl, u32 rate_set);
-u8 wl12xx_tx_get_hlid_ap(struct wl1271 *wl, struct wl12xx_vif *wlvif,
- struct sk_buff *skb);
u8 wl12xx_tx_get_hlid(struct wl1271 *wl, struct wl12xx_vif *wlvif,
- struct sk_buff *skb);
+ struct sk_buff *skb, struct ieee80211_sta *sta);
void wl1271_tx_reset_link_queues(struct wl1271 *wl, u8 hlid);
void wl1271_handle_tx_low_watermark(struct wl1271 *wl);
bool wl12xx_is_dummy_packet(struct wl1271 *wl, struct sk_buff *skb);
* control block of the skbuff will be initialized. If necessary the incoming
* mac80211 queues will be stopped.
*/
-static void zd_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
+static void zd_op_tx(struct ieee80211_hw *hw,
+ struct ieee80211_tx_control *control,
+ struct sk_buff *skb)
{
struct zd_mac *mac = zd_hw_mac(hw);
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
skb = ieee80211_get_buffered_bc(mac->hw, mac->vif);
if (!skb)
break;
- zd_op_tx(mac->hw, skb);
+ zd_op_tx(mac->hw, NULL, skb);
}
/*
break;
case XenbusStateConnected:
- netif_notify_peers(netdev);
+ netdev_notify_peers(netdev);
break;
case XenbusStateClosing:
{
struct ssb_bus *bus = mcore->dev->bus;
- mcore->flash_buswidth = 2;
- if (bus->chipco.dev) {
- mcore->flash_window = 0x1c000000;
- mcore->flash_window_size = 0x02000000;
+ /* When there is no chipcommon on the bus there is 4MB flash */
+ if (!bus->chipco.dev) {
+ mcore->flash_buswidth = 2;
+ mcore->flash_window = SSB_FLASH1;
+ mcore->flash_window_size = SSB_FLASH1_SZ;
+ return;
+ }
+
+ /* There is ChipCommon, so use it to read info about flash */
+ switch (bus->chipco.capabilities & SSB_CHIPCO_CAP_FLASHT) {
+ case SSB_CHIPCO_FLASHT_STSER:
+ case SSB_CHIPCO_FLASHT_ATSER:
+ pr_err("Serial flash not supported\n");
+ break;
+ case SSB_CHIPCO_FLASHT_PARA:
+ pr_debug("Found parallel flash\n");
+ mcore->flash_window = SSB_FLASH2;
+ mcore->flash_window_size = SSB_FLASH2_SZ;
if ((ssb_read32(bus->chipco.dev, SSB_CHIPCO_FLASH_CFG)
& SSB_CHIPCO_CFG_DS16) == 0)
mcore->flash_buswidth = 1;
- } else {
- mcore->flash_window = 0x1fc00000;
- mcore->flash_window_size = 0x00400000;
+ else
+ mcore->flash_buswidth = 2;
+ break;
}
}
*total_flags = new_flags;
}
-static void wbsoft_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
+static void wbsoft_tx(struct ieee80211_hw *dev,
+ struct ieee80211_tx_control *control,
+ struct sk_buff *skb)
{
struct wbsoft_priv *priv = dev->priv;
fw-shipped-$(CONFIG_COMPUTONE) += intelliport2.bin
fw-shipped-$(CONFIG_CHELSIO_T3) += cxgb3/t3b_psram-1.1.0.bin \
cxgb3/t3c_psram-1.1.0.bin \
- cxgb3/t3fw-7.10.0.bin \
cxgb3/ael2005_opt_edc.bin \
cxgb3/ael2005_twx_edc.bin \
cxgb3/ael2020_twx_edc.bin
+++ /dev/null
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-:00000001FF
/* Allowed if owner and follower match. */
inode = link->dentry->d_inode;
- if (current_cred()->fsuid == inode->i_uid)
+ if (uid_eq(current_cred()->fsuid, inode->i_uid))
return 0;
/* Allowed if parent directory not sticky and world-writable. */
return 0;
/* Allowed if parent directory and link owner match. */
- if (parent->i_uid == inode->i_uid)
+ if (uid_eq(parent->i_uid, inode->i_uid))
return 0;
path_put_conditional(link, nd);
/* Source inode owner (or CAP_FOWNER) can hardlink all they like,
* otherwise, it must be a safe source.
*/
- if (cred->fsuid == inode->i_uid || safe_hardlink_source(inode) ||
+ if (uid_eq(cred->fsuid, inode->i_uid) || safe_hardlink_source(inode) ||
capable(CAP_FOWNER))
return 0;
#include <linux/export.h>
#include <linux/seq_file.h>
#include <linux/slab.h>
+#include <linux/cred.h>
#include <asm/uaccess.h>
#include <asm/page.h>
memset(p, 0, sizeof(*p));
mutex_init(&p->lock);
p->op = op;
+#ifdef CONFIG_USER_NS
+ p->user_ns = file->f_cred->user_ns;
+#endif
/*
* Wrappers around seq_open(e.g. swaps_open) need to be
header-y += sock_diag.h
header-y += inet_diag.h
header-y += unix_diag.h
+header-y += packet_diag.h
header-y += inotify.h
header-y += input.h
header-y += ioctl.h
#define BCMA_CC_CHIPST_4706_SFLASH_TYPE BIT(2) /* 0: 8b-p/ST-s flash, 1: 16b-p/Atmal-s flash */
#define BCMA_CC_CHIPST_4706_MIPS_BENDIAN BIT(3) /* 0: little, 1: big endian */
#define BCMA_CC_CHIPST_4706_PCIE1_DISABLE BIT(5) /* PCIE1 enable strap pin */
+#define BCMA_CC_CHIPST_5357_NAND_BOOT BIT(4) /* NAND boot, valid for CC rev 38 and/or BCM5357 */
#define BCMA_CC_JCMD 0x0030 /* Rev >= 10 only */
#define BCMA_CC_JCMD_START 0x80000000
#define BCMA_CC_JCMD_BUSY 0x80000000
#define BCMA_CC_SROM_CONTROL_SIZE_16K 0x00000004
#define BCMA_CC_SROM_CONTROL_SIZE_SHIFT 1
#define BCMA_CC_SROM_CONTROL_PRESENT 0x00000001
+/* Block 0x140 - 0x190 registers are chipset specific */
+#define BCMA_CC_4706_FLASHSCFG 0x18C /* Flash struct configuration */
+#define BCMA_CC_4706_FLASHSCFG_MASK 0x000000ff
+#define BCMA_CC_4706_FLASHSCFG_SF1 0x00000001 /* 2nd serial flash present */
+#define BCMA_CC_4706_FLASHSCFG_PF1 0x00000002 /* 2nd parallel flash present */
+#define BCMA_CC_4706_FLASHSCFG_SF1_TYPE 0x00000004 /* 2nd serial flash type : 0 : ST, 1 : Atmel */
+#define BCMA_CC_4706_FLASHSCFG_NF1 0x00000008 /* 2nd NAND flash present */
+#define BCMA_CC_4706_FLASHSCFG_1ST_MADDR_SEG_MASK 0x000000f0
+#define BCMA_CC_4706_FLASHSCFG_1ST_MADDR_SEG_4MB 0x00000010 /* 4MB */
+#define BCMA_CC_4706_FLASHSCFG_1ST_MADDR_SEG_8MB 0x00000020 /* 8MB */
+#define BCMA_CC_4706_FLASHSCFG_1ST_MADDR_SEG_16MB 0x00000030 /* 16MB */
+#define BCMA_CC_4706_FLASHSCFG_1ST_MADDR_SEG_32MB 0x00000040 /* 32MB */
+#define BCMA_CC_4706_FLASHSCFG_1ST_MADDR_SEG_64MB 0x00000050 /* 64MB */
+#define BCMA_CC_4706_FLASHSCFG_1ST_MADDR_SEG_128MB 0x00000060 /* 128MB */
+#define BCMA_CC_4706_FLASHSCFG_1ST_MADDR_SEG_256MB 0x00000070 /* 256MB */
+/* NAND flash registers for BCM4706 (corerev = 31) */
+#define BCMA_CC_NFLASH_CTL 0x01A0
+#define BCMA_CC_NFLASH_CTL_ERR 0x08000000
+#define BCMA_CC_NFLASH_CONF 0x01A4
+#define BCMA_CC_NFLASH_COL_ADDR 0x01A8
+#define BCMA_CC_NFLASH_ROW_ADDR 0x01AC
+#define BCMA_CC_NFLASH_DATA 0x01B0
+#define BCMA_CC_NFLASH_WAITCNT0 0x01B4
/* 0x1E0 is defined as shared BCMA_CLKCTLST */
#define BCMA_CC_HW_WORKAROUND 0x01E4 /* Hardware workaround (rev >= 20) */
#define BCMA_CC_UART0_DATA 0x0300
#define BCMA_CC_PLLCTL_ADDR 0x0660
#define BCMA_CC_PLLCTL_DATA 0x0664
#define BCMA_CC_SPROM 0x0800 /* SPROM beginning */
+/* NAND flash MLC controller registers (corerev >= 38) */
+#define BCMA_CC_NAND_REVISION 0x0C00
+#define BCMA_CC_NAND_CMD_START 0x0C04
+#define BCMA_CC_NAND_CMD_ADDR_X 0x0C08
+#define BCMA_CC_NAND_CMD_ADDR 0x0C0C
+#define BCMA_CC_NAND_CMD_END_ADDR 0x0C10
+#define BCMA_CC_NAND_CS_NAND_SELECT 0x0C14
+#define BCMA_CC_NAND_CS_NAND_XOR 0x0C18
+#define BCMA_CC_NAND_SPARE_RD0 0x0C20
+#define BCMA_CC_NAND_SPARE_RD4 0x0C24
+#define BCMA_CC_NAND_SPARE_RD8 0x0C28
+#define BCMA_CC_NAND_SPARE_RD12 0x0C2C
+#define BCMA_CC_NAND_SPARE_WR0 0x0C30
+#define BCMA_CC_NAND_SPARE_WR4 0x0C34
+#define BCMA_CC_NAND_SPARE_WR8 0x0C38
+#define BCMA_CC_NAND_SPARE_WR12 0x0C3C
+#define BCMA_CC_NAND_ACC_CONTROL 0x0C40
+#define BCMA_CC_NAND_CONFIG 0x0C48
+#define BCMA_CC_NAND_TIMING_1 0x0C50
+#define BCMA_CC_NAND_TIMING_2 0x0C54
+#define BCMA_CC_NAND_SEMAPHORE 0x0C58
+#define BCMA_CC_NAND_DEVID 0x0C60
+#define BCMA_CC_NAND_DEVID_X 0x0C64
+#define BCMA_CC_NAND_BLOCK_LOCK_STATUS 0x0C68
+#define BCMA_CC_NAND_INTFC_STATUS 0x0C6C
+#define BCMA_CC_NAND_ECC_CORR_ADDR_X 0x0C70
+#define BCMA_CC_NAND_ECC_CORR_ADDR 0x0C74
+#define BCMA_CC_NAND_ECC_UNC_ADDR_X 0x0C78
+#define BCMA_CC_NAND_ECC_UNC_ADDR 0x0C7C
+#define BCMA_CC_NAND_READ_ERROR_COUNT 0x0C80
+#define BCMA_CC_NAND_CORR_STAT_THRESHOLD 0x0C84
+#define BCMA_CC_NAND_READ_ADDR_X 0x0C90
+#define BCMA_CC_NAND_READ_ADDR 0x0C94
+#define BCMA_CC_NAND_PAGE_PROGRAM_ADDR_X 0x0C98
+#define BCMA_CC_NAND_PAGE_PROGRAM_ADDR 0x0C9C
+#define BCMA_CC_NAND_COPY_BACK_ADDR_X 0x0CA0
+#define BCMA_CC_NAND_COPY_BACK_ADDR 0x0CA4
+#define BCMA_CC_NAND_BLOCK_ERASE_ADDR_X 0x0CA8
+#define BCMA_CC_NAND_BLOCK_ERASE_ADDR 0x0CAC
+#define BCMA_CC_NAND_INV_READ_ADDR_X 0x0CB0
+#define BCMA_CC_NAND_INV_READ_ADDR 0x0CB4
+#define BCMA_CC_NAND_BLK_WR_PROTECT 0x0CC0
+#define BCMA_CC_NAND_ACC_CONTROL_CS1 0x0CD0
+#define BCMA_CC_NAND_CONFIG_CS1 0x0CD4
+#define BCMA_CC_NAND_TIMING_1_CS1 0x0CD8
+#define BCMA_CC_NAND_TIMING_2_CS1 0x0CDC
+#define BCMA_CC_NAND_SPARE_RD16 0x0D30
+#define BCMA_CC_NAND_SPARE_RD20 0x0D34
+#define BCMA_CC_NAND_SPARE_RD24 0x0D38
+#define BCMA_CC_NAND_SPARE_RD28 0x0D3C
+#define BCMA_CC_NAND_CACHE_ADDR 0x0D40
+#define BCMA_CC_NAND_CACHE_DATA 0x0D44
+#define BCMA_CC_NAND_CTRL_CONFIG 0x0D48
+#define BCMA_CC_NAND_CTRL_STATUS 0x0D4C
/* Divider allocation in 4716/47162/5356 */
#define BCMA_CC_PMU5_MAINPLL_CPU 1
/* 4313 Chip specific ChipControl register bits */
#define BCMA_CCTRL_4313_12MA_LED_DRIVE 0x00000007 /* 12 mA drive strengh for later 4313 */
+/* BCM5357 ChipControl register bits */
+#define BCMA_CHIPCTL_5357_EXTPA BIT(14)
+#define BCMA_CHIPCTL_5357_ANT_MUX_2O3 BIT(15)
+#define BCMA_CHIPCTL_5357_NFLASH BIT(16)
+#define BCMA_CHIPCTL_5357_I2S_PINS_ENABLE BIT(18)
+#define BCMA_CHIPCTL_5357_I2CSPI_PINS_ENABLE BIT(19)
+
/* Data for the PMU, if available.
* Check availability with ((struct bcma_chipcommon)->capabilities & BCMA_CC_CAP_PMU)
*/
u32 window_size;
};
+#ifdef CONFIG_BCMA_SFLASH
+struct bcma_sflash {
+ bool present;
+ u32 window;
+ u32 blocksize;
+ u16 numblocks;
+ u32 size;
+};
+#endif
+
+#ifdef CONFIG_BCMA_NFLASH
+struct mtd_info;
+
+struct bcma_nflash {
+ bool present;
+
+ struct mtd_info *mtd;
+};
+#endif
+
struct bcma_serial_port {
void *regs;
unsigned long clockspeed;
struct bcma_chipcommon_pmu pmu;
#ifdef CONFIG_BCMA_DRIVER_MIPS
struct bcma_pflash pflash;
+#ifdef CONFIG_BCMA_SFLASH
+ struct bcma_sflash sflash;
+#endif
+#ifdef CONFIG_BCMA_NFLASH
+ struct bcma_nflash nflash;
+#endif
int nr_serial_ports;
struct bcma_serial_port serial_ports[4];
#define BCMA_CLKCTLST_HAVEHTREQ 0x00000010 /* HT available request */
#define BCMA_CLKCTLST_HWCROFF 0x00000020 /* Force HW clock request off */
#define BCMA_CLKCTLST_EXTRESREQ 0x00000700 /* Mask of external resource requests */
+#define BCMA_CLKCTLST_EXTRESREQ_SHIFT 8
#define BCMA_CLKCTLST_HAVEALP 0x00010000 /* ALP available */
#define BCMA_CLKCTLST_HAVEHT 0x00020000 /* HT available */
#define BCMA_CLKCTLST_BP_ON_ALP 0x00040000 /* RO: running on ALP clock */
#define BCMA_CLKCTLST_BP_ON_HT 0x00080000 /* RO: running on HT clock */
#define BCMA_CLKCTLST_EXTRESST 0x07000000 /* Mask of external resource status */
+#define BCMA_CLKCTLST_EXTRESST_SHIFT 24
/* Is there any BCM4328 on BCMA bus? */
#define BCMA_CLKCTLST_4328A0_HAVEHT 0x00010000 /* 4328a0 has reversed bits */
#define BCMA_CLKCTLST_4328A0_HAVEALP 0x00020000 /* 4328a0 has reversed bits */
* (2 ZettaBytes), high 32 bits
*/
+#define BCMA_SFLASH 0x1c000000
+
#endif /* LINUX_BCMA_REGS_H_ */
* bits) in Mbps. Please use
* ethtool_cmd_speed()/_set() to
* access it */
- __u8 eth_tp_mdix;
- __u8 reserved2;
+ __u8 eth_tp_mdix; /* twisted pair MDI-X status */
+ __u8 eth_tp_mdix_ctrl; /* twisted pair MDI-X control, when set,
+ * link should be renegotiated if necessary
+ */
__u32 lp_advertising; /* Features the link partner advertises */
__u32 reserved[2];
};
#define AUTONEG_DISABLE 0x00
#define AUTONEG_ENABLE 0x01
-/* Mode MDI or MDI-X */
-#define ETH_TP_MDI_INVALID 0x00
-#define ETH_TP_MDI 0x01
-#define ETH_TP_MDI_X 0x02
+/* MDI or MDI-X status/control - if MDI/MDI_X/AUTO is set then
+ * the driver is required to renegotiate link
+ */
+#define ETH_TP_MDI_INVALID 0x00 /* status: unknown; control: unsupported */
+#define ETH_TP_MDI 0x01 /* status: MDI; control: force MDI */
+#define ETH_TP_MDI_X 0x02 /* status: MDI-X; control: force MDI-X */
+#define ETH_TP_MDI_AUTO 0x03 /* control: auto-select */
/* Wake-On-Lan options. */
#define WAKE_PHY (1 << 0)
{
return hash_long((unsigned long)ptr, bits);
}
+
+static inline u32 hash32_ptr(const void *ptr)
+{
+ unsigned long val = (unsigned long)ptr;
+
+#if BITS_PER_LONG == 64
+ val ^= (val >> 32);
+#endif
+ return (u32)val;
+}
#endif /* _LINUX_HASH_H */
#define ARPHRD_PHONET 820 /* PhoNet media type */
#define ARPHRD_PHONET_PIPE 821 /* PhoNet pipe header */
#define ARPHRD_CAIF 822 /* CAIF media type */
+#define ARPHRD_IP6GRE 823 /* GRE over IPv6 */
#define ARPHRD_VOID 0xFFFF /* Void type, nothing is known */
#define ARPHRD_NONE 0xFFFE /* zero header length */
struct netpoll *np;
#endif
+ s32 priority; /* lower number ~ higher priority */
+ u16 queue_id;
+ struct list_head qom_list; /* node in queue override mapping list */
long mode_priv[0];
};
bool (*transmit)(struct team *team, struct sk_buff *skb);
int (*port_enter)(struct team *team, struct team_port *port);
void (*port_leave)(struct team *team, struct team_port *port);
- void (*port_change_mac)(struct team *team, struct team_port *port);
+ void (*port_change_dev_addr)(struct team *team, struct team_port *port);
void (*port_enabled)(struct team *team, struct team_port *port);
void (*port_disabled)(struct team *team, struct team_port *port);
};
TEAM_OPTION_TYPE_STRING,
TEAM_OPTION_TYPE_BINARY,
TEAM_OPTION_TYPE_BOOL,
+ TEAM_OPTION_TYPE_S32,
};
struct team_option_inst_info {
u32 len;
} bin_val;
bool bool_val;
+ s32 s32_val;
} data;
struct team_option_inst_info *info;
};
const struct team_mode *mode;
struct team_mode_ops ops;
+ bool queue_override_enabled;
+ struct list_head *qom_lists; /* array of queue override mapping lists */
long mode_priv[TEAM_MODE_PRIV_LONGS];
};
return NULL;
}
-extern int team_port_set_team_mac(struct team_port *port);
+extern int team_port_set_team_dev_addr(struct team_port *port);
extern int team_options_register(struct team *team,
const struct team_option *option,
size_t option_count);
IFLA_GRE_TTL,
IFLA_GRE_TOS,
IFLA_GRE_PMTUDISC,
+ IFLA_GRE_ENCAP_LIMIT,
+ IFLA_GRE_FLOWINFO,
+ IFLA_GRE_FLAGS,
__IFLA_GRE_MAX,
};
/* found in socket.c */
extern void vlan_ioctl_set(int (*hook)(struct net *, void __user *));
-struct vlan_info;
-
static inline int is_vlan_dev(struct net_device *dev)
{
return dev->priv_flags & IFF_802_1Q_VLAN;
const struct net_device *by_dev);
extern void vlan_vids_del_by_dev(struct net_device *dev,
const struct net_device *by_dev);
+
+extern bool vlan_uses_dev(const struct net_device *dev);
#else
static inline struct net_device *
__vlan_find_dev_deep(struct net_device *real_dev, u16 vlan_id)
const struct net_device *by_dev)
{
}
+
+static inline bool vlan_uses_dev(const struct net_device *dev)
+{
+ return false;
+}
#endif
/**
struct inet_connection_sock;
int inet_sk_diag_fill(struct sock *sk, struct inet_connection_sock *icsk,
struct sk_buff *skb, struct inet_diag_req_v2 *req,
+ struct user_namespace *user_ns,
u32 pid, u32 seq, u16 nlmsg_flags,
const struct nlmsghdr *unlh);
void inet_diag_dump_icsk(struct inet_hashinfo *h, struct sk_buff *skb,
#define IN_DEV_ANDCONF(in_dev, attr) \
(IPV4_DEVCONF_ALL(dev_net(in_dev->dev), attr) && \
IN_DEV_CONF_GET((in_dev), attr))
-#define IN_DEV_ORCONF(in_dev, attr) \
- (IPV4_DEVCONF_ALL(dev_net(in_dev->dev), attr) || \
+
+#define IN_DEV_NET_ORCONF(in_dev, net, attr) \
+ (IPV4_DEVCONF_ALL(net, attr) || \
IN_DEV_CONF_GET((in_dev), attr))
+
+#define IN_DEV_ORCONF(in_dev, attr) \
+ IN_DEV_NET_ORCONF(in_dev, dev_net(in_dev->dev), attr)
+
#define IN_DEV_MAXCONF(in_dev, attr) \
(max(IPV4_DEVCONF_ALL(dev_net(in_dev->dev), attr), \
IN_DEV_CONF_GET((in_dev), attr)))
IN_DEV_ORCONF((in_dev), \
PROMOTE_SECONDARIES)
#define IN_DEV_ROUTE_LOCALNET(in_dev) IN_DEV_ORCONF(in_dev, ROUTE_LOCALNET)
+#define IN_DEV_NET_ROUTE_LOCALNET(in_dev, net) \
+ IN_DEV_NET_ORCONF(in_dev, net, ROUTE_LOCALNET)
#define IN_DEV_RX_REDIRECTS(in_dev) \
((IN_DEV_FORWARD(in_dev) && \
struct in6_addr raddr; /* remote tunnel end-point address */
};
+struct ip6_tnl_parm2 {
+ char name[IFNAMSIZ]; /* name of tunnel device */
+ int link; /* ifindex of underlying L2 interface */
+ __u8 proto; /* tunnel protocol */
+ __u8 encap_limit; /* encapsulation limit for tunnel */
+ __u8 hop_limit; /* hop limit for tunnel */
+ __be32 flowinfo; /* traffic class and flowlabel for tunnel */
+ __u32 flags; /* tunnel flags */
+ struct in6_addr laddr; /* local tunnel end-point address */
+ struct in6_addr raddr; /* remote tunnel end-point address */
+
+ __be16 i_flags;
+ __be16 o_flags;
+ __be32 i_key;
+ __be32 o_key;
+};
+
#endif
extern unsigned long timeval_to_jiffies(const struct timeval *value);
extern void jiffies_to_timeval(const unsigned long jiffies,
struct timeval *value);
+
extern clock_t jiffies_to_clock_t(unsigned long x);
+static inline clock_t jiffies_delta_to_clock_t(long delta)
+{
+ return jiffies_to_clock_t(max(0L, delta));
+}
+
extern unsigned long clock_t_to_jiffies(unsigned long x);
extern u64 jiffies_64_to_clock_t(u64 x);
extern u64 nsec_to_clock_t(u64 x);
extern int mdio_mii_ioctl(const struct mdio_if_info *mdio,
struct mii_ioctl_data *mii_data, int cmd);
+/**
+ * mmd_eee_cap_to_ethtool_sup_t
+ * @eee_cap: value of the MMD EEE Capability register
+ *
+ * A small helper function that translates MMD EEE Capability (3.20) bits
+ * to ethtool supported settings.
+ */
+static inline u32 mmd_eee_cap_to_ethtool_sup_t(u16 eee_cap)
+{
+ u32 supported = 0;
+
+ if (eee_cap & MDIO_EEE_100TX)
+ supported |= SUPPORTED_100baseT_Full;
+ if (eee_cap & MDIO_EEE_1000T)
+ supported |= SUPPORTED_1000baseT_Full;
+ if (eee_cap & MDIO_EEE_10GT)
+ supported |= SUPPORTED_10000baseT_Full;
+ if (eee_cap & MDIO_EEE_1000KX)
+ supported |= SUPPORTED_1000baseKX_Full;
+ if (eee_cap & MDIO_EEE_10GKX4)
+ supported |= SUPPORTED_10000baseKX4_Full;
+ if (eee_cap & MDIO_EEE_10GKR)
+ supported |= SUPPORTED_10000baseKR_Full;
+
+ return supported;
+}
+
+/**
+ * mmd_eee_adv_to_ethtool_adv_t
+ * @eee_adv: value of the MMD EEE Advertisement/Link Partner Ability registers
+ *
+ * A small helper function that translates the MMD EEE Advertisment (7.60)
+ * and MMD EEE Link Partner Ability (7.61) bits to ethtool advertisement
+ * settings.
+ */
+static inline u32 mmd_eee_adv_to_ethtool_adv_t(u16 eee_adv)
+{
+ u32 adv = 0;
+
+ if (eee_adv & MDIO_EEE_100TX)
+ adv |= ADVERTISED_100baseT_Full;
+ if (eee_adv & MDIO_EEE_1000T)
+ adv |= ADVERTISED_1000baseT_Full;
+ if (eee_adv & MDIO_EEE_10GT)
+ adv |= ADVERTISED_10000baseT_Full;
+ if (eee_adv & MDIO_EEE_1000KX)
+ adv |= ADVERTISED_1000baseKX_Full;
+ if (eee_adv & MDIO_EEE_10GKX4)
+ adv |= ADVERTISED_10000baseKX4_Full;
+ if (eee_adv & MDIO_EEE_10GKR)
+ adv |= ADVERTISED_10000baseKR_Full;
+
+ return adv;
+}
+
+/**
+ * ethtool_adv_to_mmd_eee_adv_t
+ * @adv: the ethtool advertisement settings
+ *
+ * A small helper function that translates ethtool advertisement settings
+ * to EEE advertisements for the MMD EEE Advertisement (7.60) and
+ * MMD EEE Link Partner Ability (7.61) registers.
+ */
+static inline u16 ethtool_adv_to_mmd_eee_adv_t(u32 adv)
+{
+ u16 reg = 0;
+
+ if (adv & ADVERTISED_100baseT_Full)
+ reg |= MDIO_EEE_100TX;
+ if (adv & ADVERTISED_1000baseT_Full)
+ reg |= MDIO_EEE_1000T;
+ if (adv & ADVERTISED_10000baseT_Full)
+ reg |= MDIO_EEE_10GT;
+ if (adv & ADVERTISED_1000baseKX_Full)
+ reg |= MDIO_EEE_1000KX;
+ if (adv & ADVERTISED_10000baseKX4_Full)
+ reg |= MDIO_EEE_10GKX4;
+ if (adv & ADVERTISED_10000baseKR_Full)
+ reg |= MDIO_EEE_10GKR;
+
+ return reg;
+}
+
#endif /* __KERNEL__ */
#endif /* __LINUX_MDIO_H__ */
#define NETDEV_PRE_TYPE_CHANGE 0x000E
#define NETDEV_POST_TYPE_CHANGE 0x000F
#define NETDEV_POST_INIT 0x0010
-#define NETDEV_UNREGISTER_BATCH 0x0011
+#define NETDEV_UNREGISTER_FINAL 0x0011
#define NETDEV_RELEASE 0x0012
#define NETDEV_NOTIFY_PEERS 0x0013
#define NETDEV_JOIN 0x0014
* kind of lower layer not just hardware media.
*/
+extern void linkwatch_init_dev(struct net_device *dev);
extern void linkwatch_fire_event(struct net_device *dev);
extern void linkwatch_forget_dev(struct net_device *dev);
extern void netif_carrier_off(struct net_device *dev);
-extern void netif_notify_peers(struct net_device *dev);
-
/**
* netif_dormant_on - mark device as dormant.
* @dev: network device
extern int dev_set_promiscuity(struct net_device *dev, int inc);
extern int dev_set_allmulti(struct net_device *dev, int inc);
extern void netdev_state_change(struct net_device *dev);
-extern int netdev_bonding_change(struct net_device *dev,
- unsigned long event);
+extern void netdev_notify_peers(struct net_device *dev);
extern void netdev_features_change(struct net_device *dev);
/* Load a device via the kmod */
extern void dev_load(struct net *net, const char *name);
struct ucred creds; /* Skb credentials */
__u32 pid;
__u32 dst_group;
+ struct sock *ssk;
};
#define NETLINK_CB(skb) (*(struct netlink_skb_parms*)&((skb)->cb))
* %NL80211_ATTR_IFINDEX is now on %NL80211_ATTR_WIPHY_FREQ with
* %NL80211_ATTR_WIPHY_CHANNEL_TYPE.
*
+ * @NL80211_CMD_START_P2P_DEVICE: Start the given P2P Device, identified by
+ * its %NL80211_ATTR_WDEV identifier. It must have been created with
+ * %NL80211_CMD_NEW_INTERFACE previously. After it has been started, the
+ * P2P Device can be used for P2P operations, e.g. remain-on-channel and
+ * public action frame TX.
+ * @NL80211_CMD_STOP_P2P_DEVICE: Stop the given P2P Device, identified by
+ * its %NL80211_ATTR_WDEV identifier.
+ *
* @NL80211_CMD_MAX: highest used command number
* @__NL80211_CMD_AFTER_LAST: internal use
*/
NL80211_CMD_CH_SWITCH_NOTIFY,
+ NL80211_CMD_START_P2P_DEVICE,
+ NL80211_CMD_STOP_P2P_DEVICE,
+
/* add new commands above here */
/* used to define NL80211_CMD_MAX below */
* @NL80211_IFTYPE_MESH_POINT: mesh point
* @NL80211_IFTYPE_P2P_CLIENT: P2P client
* @NL80211_IFTYPE_P2P_GO: P2P group owner
+ * @NL80211_IFTYPE_P2P_DEVICE: P2P device interface type, this is not a netdev
+ * and therefore can't be created in the normal ways, use the
+ * %NL80211_CMD_START_P2P_DEVICE and %NL80211_CMD_STOP_P2P_DEVICE
+ * commands to create and destroy one
* @NL80211_IFTYPE_MAX: highest interface type number currently defined
* @NUM_NL80211_IFTYPES: number of defined interface types
*
NL80211_IFTYPE_MESH_POINT,
NL80211_IFTYPE_P2P_CLIENT,
NL80211_IFTYPE_P2P_GO,
+ NL80211_IFTYPE_P2P_DEVICE,
/* keep last */
NUM_NL80211_IFTYPES,
* @NL80211_FEATURE_CELL_BASE_REG_HINTS: This driver has been tested
* to work properly to suppport receiving regulatory hints from
* cellular base stations.
+ * @NL80211_FEATURE_P2P_DEVICE_NEEDS_CHANNEL: If this is set, an active
+ * P2P Device (%NL80211_IFTYPE_P2P_DEVICE) requires its own channel
+ * in the interface combinations, even when it's only used for scan
+ * and remain-on-channel. This could be due to, for example, the
+ * remain-on-channel implementation requiring a channel context.
*/
enum nl80211_feature_flags {
- NL80211_FEATURE_SK_TX_STATUS = 1 << 0,
- NL80211_FEATURE_HT_IBSS = 1 << 1,
- NL80211_FEATURE_INACTIVITY_TIMER = 1 << 2,
- NL80211_FEATURE_CELL_BASE_REG_HINTS = 1 << 3,
+ NL80211_FEATURE_SK_TX_STATUS = 1 << 0,
+ NL80211_FEATURE_HT_IBSS = 1 << 1,
+ NL80211_FEATURE_INACTIVITY_TIMER = 1 << 2,
+ NL80211_FEATURE_CELL_BASE_REG_HINTS = 1 << 3,
+ NL80211_FEATURE_P2P_DEVICE_NEEDS_CHANNEL = 1 << 4,
};
/**
#include <linux/phy.h>
#include <linux/of.h>
+#ifdef CONFIG_OF
extern int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np);
extern struct phy_device *of_phy_find_device(struct device_node *phy_np);
extern struct phy_device *of_phy_connect(struct net_device *dev,
extern struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np);
+#else /* CONFIG_OF */
+int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np)
+{
+ return -ENOSYS;
+}
+
+struct phy_device *of_phy_find_device(struct device_node *phy_np)
+{
+ return NULL;
+}
+
+struct phy_device *of_phy_connect(struct net_device *dev,
+ struct device_node *phy_np,
+ void (*hndlr)(struct net_device *),
+ u32 flags, phy_interface_t iface)
+{
+ return NULL;
+}
+
+struct phy_device *of_phy_connect_fixed_link(struct net_device *dev,
+ void (*hndlr)(struct net_device *),
+ phy_interface_t iface)
+{
+ return NULL;
+}
+
+struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np)
+{
+ return NULL;
+}
+#endif /* CONFIG_OF */
+
#endif /* __LINUX_OF_MDIO_H */
--- /dev/null
+#ifndef __PACKET_DIAG_H__
+#define __PACKET_DIAG_H__
+
+#include <linux/types.h>
+
+struct packet_diag_req {
+ __u8 sdiag_family;
+ __u8 sdiag_protocol;
+ __u16 pad;
+ __u32 pdiag_ino;
+ __u32 pdiag_show;
+ __u32 pdiag_cookie[2];
+};
+
+#define PACKET_SHOW_INFO 0x00000001 /* Basic packet_sk information */
+#define PACKET_SHOW_MCLIST 0x00000002 /* A set of packet_diag_mclist-s */
+#define PACKET_SHOW_RING_CFG 0x00000004 /* Rings configuration parameters */
+#define PACKET_SHOW_FANOUT 0x00000008
+
+struct packet_diag_msg {
+ __u8 pdiag_family;
+ __u8 pdiag_type;
+ __u16 pdiag_num;
+
+ __u32 pdiag_ino;
+ __u32 pdiag_cookie[2];
+};
+
+enum {
+ PACKET_DIAG_INFO,
+ PACKET_DIAG_MCLIST,
+ PACKET_DIAG_RX_RING,
+ PACKET_DIAG_TX_RING,
+ PACKET_DIAG_FANOUT,
+
+ PACKET_DIAG_MAX,
+};
+
+struct packet_diag_info {
+ __u32 pdi_index;
+ __u32 pdi_version;
+ __u32 pdi_reserve;
+ __u32 pdi_copy_thresh;
+ __u32 pdi_tstamp;
+ __u32 pdi_flags;
+
+#define PDI_RUNNING 0x1
+#define PDI_AUXDATA 0x2
+#define PDI_ORIGDEV 0x4
+#define PDI_VNETHDR 0x8
+#define PDI_LOSS 0x10
+};
+
+struct packet_diag_mclist {
+ __u32 pdmc_index;
+ __u32 pdmc_count;
+ __u16 pdmc_type;
+ __u16 pdmc_alen;
+ __u8 pdmc_addr[MAX_ADDR_LEN];
+};
+
+struct packet_diag_ring {
+ __u32 pdr_block_size;
+ __u32 pdr_block_nr;
+ __u32 pdr_frame_size;
+ __u32 pdr_frame_nr;
+ __u32 pdr_retire_tmo;
+ __u32 pdr_sizeof_priv;
+ __u32 pdr_features;
+};
+
+#endif
}
#endif /* RFKILL || RFKILL_MODULE */
+
+#ifdef CONFIG_RFKILL_LEDS
+/**
+ * rfkill_get_led_trigger_name - Get the LED trigger name for the button's LED.
+ * This function might return a NULL pointer if registering of the
+ * LED trigger failed. Use this as "default_trigger" for the LED.
+ */
+const char *rfkill_get_led_trigger_name(struct rfkill *rfkill);
+
+/**
+ * rfkill_set_led_trigger_name -- set the LED trigger name
+ * @rfkill: rfkill struct
+ * @name: LED trigger name
+ *
+ * This function sets the LED trigger name of the radio LED
+ * trigger that rfkill creates. It is optional, but if called
+ * must be called before rfkill_register() to be effective.
+ */
+void rfkill_set_led_trigger_name(struct rfkill *rfkill, const char *name);
+#else
+static inline const char *rfkill_get_led_trigger_name(struct rfkill *rfkill)
+{
+ return NULL;
+}
+
+static inline void
+rfkill_set_led_trigger_name(struct rfkill *rfkill, const char *name)
+{
+}
+#endif
+
#endif /* __KERNEL__ */
#endif /* RFKILL_H */
struct path;
struct inode;
struct dentry;
+struct user_namespace;
struct seq_file {
char *buf;
struct mutex lock;
const struct seq_operations *op;
int poll_event;
+#ifdef CONFIG_USER_NS
+ struct user_namespace *user_ns;
+#endif
void *private;
};
int seq_put_decimal_ll(struct seq_file *m, char delimiter,
long long num);
+static inline struct user_namespace *seq_user_ns(struct seq_file *seq)
+{
+#ifdef CONFIG_USER_NS
+ return seq->user_ns;
+#else
+ extern struct user_namespace init_user_ns;
+ return &init_user_ns;
+#endif
+}
+
#define SEQ_START_TOKEN ((void *)1)
/*
* Helpers for iteration over list_head-s in seq_files
*
* NULL is returned on a memory allocation failure.
*/
-static inline struct sk_buff *skb_share_check(struct sk_buff *skb,
- gfp_t pri)
+static inline struct sk_buff *skb_share_check(struct sk_buff *skb, gfp_t pri)
{
might_sleep_if(pri & __GFP_WAIT);
if (skb_shared(skb)) {
struct sk_buff *nskb = skb_clone(skb, pri);
- kfree_skb(skb);
+
+ if (likely(nskb))
+ consume_skb(skb);
+ else
+ kfree_skb(skb);
skb = nskb;
}
return skb;
enum
{
IPSTATS_MIB_NUM = 0,
+/* frequently written fields in fast path, kept in same cache line */
IPSTATS_MIB_INPKTS, /* InReceives */
+ IPSTATS_MIB_INOCTETS, /* InOctets */
+ IPSTATS_MIB_INDELIVERS, /* InDelivers */
+ IPSTATS_MIB_OUTFORWDATAGRAMS, /* OutForwDatagrams */
+ IPSTATS_MIB_OUTPKTS, /* OutRequests */
+ IPSTATS_MIB_OUTOCTETS, /* OutOctets */
+/* other fields */
IPSTATS_MIB_INHDRERRORS, /* InHdrErrors */
IPSTATS_MIB_INTOOBIGERRORS, /* InTooBigErrors */
IPSTATS_MIB_INNOROUTES, /* InNoRoutes */
IPSTATS_MIB_INUNKNOWNPROTOS, /* InUnknownProtos */
IPSTATS_MIB_INTRUNCATEDPKTS, /* InTruncatedPkts */
IPSTATS_MIB_INDISCARDS, /* InDiscards */
- IPSTATS_MIB_INDELIVERS, /* InDelivers */
- IPSTATS_MIB_OUTFORWDATAGRAMS, /* OutForwDatagrams */
- IPSTATS_MIB_OUTPKTS, /* OutRequests */
IPSTATS_MIB_OUTDISCARDS, /* OutDiscards */
IPSTATS_MIB_OUTNOROUTES, /* OutNoRoutes */
IPSTATS_MIB_REASMTIMEOUT, /* ReasmTimeout */
IPSTATS_MIB_OUTMCASTPKTS, /* OutMcastPkts */
IPSTATS_MIB_INBCASTPKTS, /* InBcastPkts */
IPSTATS_MIB_OUTBCASTPKTS, /* OutBcastPkts */
- IPSTATS_MIB_INOCTETS, /* InOctets */
- IPSTATS_MIB_OUTOCTETS, /* OutOctets */
IPSTATS_MIB_INMCASTOCTETS, /* InMcastOctets */
IPSTATS_MIB_OUTMCASTOCTETS, /* OutMcastOctets */
IPSTATS_MIB_INBCASTOCTETS, /* InBcastOctets */
#define SSB_CHIPCO_FLASHCTL_ST_SE 0x02D8 /* Sector Erase */
#define SSB_CHIPCO_FLASHCTL_ST_BE 0x00C7 /* Bulk Erase */
#define SSB_CHIPCO_FLASHCTL_ST_DP 0x00B9 /* Deep Power-down */
-#define SSB_CHIPCO_FLASHCTL_ST_RSIG 0x03AB /* Read Electronic Signature */
+#define SSB_CHIPCO_FLASHCTL_ST_RES 0x03AB /* Read Electronic Signature */
+#define SSB_CHIPCO_FLASHCTL_ST_CSA 0x1000 /* Keep chip select asserted */
+#define SSB_CHIPCO_FLASHCTL_ST_SSE 0x0220 /* Sub-sector Erase */
/* Status register bits for ST flashes */
#define SSB_CHIPCO_FLASHSTA_ST_WIP 0x01 /* Write In Progress */
#define TIPC_CMD_GET_REMOTE_MNG 0x4003 /* tx none, rx unsigned */
#define TIPC_CMD_GET_MAX_PORTS 0x4004 /* tx none, rx unsigned */
-#define TIPC_CMD_GET_MAX_PUBL 0x4005 /* tx none, rx unsigned */
-#define TIPC_CMD_GET_MAX_SUBSCR 0x4006 /* tx none, rx unsigned */
+#define TIPC_CMD_GET_MAX_PUBL 0x4005 /* obsoleted */
+#define TIPC_CMD_GET_MAX_SUBSCR 0x4006 /* obsoleted */
#define TIPC_CMD_GET_MAX_ZONES 0x4007 /* obsoleted */
#define TIPC_CMD_GET_MAX_CLUSTERS 0x4008 /* obsoleted */
#define TIPC_CMD_GET_MAX_NODES 0x4009 /* obsoleted */
#define TIPC_CMD_SET_NODE_ADDR 0x8001 /* tx net_addr, rx none */
#define TIPC_CMD_SET_REMOTE_MNG 0x8003 /* tx unsigned, rx none */
#define TIPC_CMD_SET_MAX_PORTS 0x8004 /* tx unsigned, rx none */
-#define TIPC_CMD_SET_MAX_PUBL 0x8005 /* tx unsigned, rx none */
-#define TIPC_CMD_SET_MAX_SUBSCR 0x8006 /* tx unsigned, rx none */
+#define TIPC_CMD_SET_MAX_PUBL 0x8005 /* obsoleted */
+#define TIPC_CMD_SET_MAX_SUBSCR 0x8006 /* obsoleted */
#define TIPC_CMD_SET_MAX_ZONES 0x8007 /* obsoleted */
#define TIPC_CMD_SET_MAX_CLUSTERS 0x8008 /* obsoleted */
#define TIPC_CMD_SET_MAX_NODES 0x8009 /* obsoleted */
#define _ARP_H
#include <linux/if_arp.h>
+#include <linux/hash.h>
#include <net/neighbour.h>
static inline u32 arp_hashfn(u32 key, const struct net_device *dev, u32 hash_rnd)
{
- u32 val = key ^ dev->ifindex;
+ u32 val = key ^ hash32_ptr(dev);
return val * hash_rnd;
}
typedef struct ax25_uid_assoc {
struct hlist_node uid_node;
atomic_t refcount;
- uid_t uid;
+ kuid_t uid;
ax25_address call;
} ax25_uid_assoc;
/* ax25_uid.c */
extern int ax25_uid_policy;
-extern ax25_uid_assoc *ax25_findbyuid(uid_t);
+extern ax25_uid_assoc *ax25_findbyuid(kuid_t);
extern int __must_check ax25_uid_ioctl(int, struct sockaddr_ax25 *);
extern const struct file_operations ax25_uid_fops;
extern void ax25_uid_free(void);
#include <linux/poll.h>
#include <net/sock.h>
+#include <linux/seq_file.h>
#ifndef AF_BLUETOOTH
#define AF_BLUETOOTH 31
struct bt_sock_list {
struct hlist_head head;
rwlock_t lock;
+#ifdef CONFIG_PROC_FS
+ struct file_operations fops;
+ int (* custom_seq_show)(struct seq_file *, void *);
+#endif
};
int bt_sock_register(int proto, const struct net_proto_family *ops);
extern int bt_sysfs_init(void);
extern void bt_sysfs_cleanup(void);
+extern int bt_procfs_init(struct module* module, struct net *net, const char *name,
+ struct bt_sock_list* sk_list,
+ int (* seq_show)(struct seq_file *, void *));
+extern void bt_procfs_cleanup(struct net *net, const char *name);
+
extern struct dentry *bt_debugfs;
int l2cap_init(void);
/* First BR/EDR Controller shall have ID = 0 */
#define HCI_BREDR_ID 0
+/* AMP controller status */
+#define AMP_CTRL_POWERED_DOWN 0x00
+#define AMP_CTRL_BLUETOOTH_ONLY 0x01
+#define AMP_CTRL_NO_CAPACITY 0x02
+#define AMP_CTRL_LOW_CAPACITY 0x03
+#define AMP_CTRL_MEDIUM_CAPACITY 0x04
+#define AMP_CTRL_HIGH_CAPACITY 0x05
+#define AMP_CTRL_FULL_CAPACITY 0x06
+
/* HCI device quirks */
enum {
HCI_QUIRK_RESET_ON_CLOSE,
} __packed;
/* Low energy meta events */
+#define LE_CONN_ROLE_MASTER 0x00
+
#define HCI_EV_LE_CONN_COMPLETE 0x01
struct hci_ev_le_conn_complete {
__u8 status;
u8 randomizer[16];
};
-struct adv_entry {
- struct list_head list;
- bdaddr_t bdaddr;
- u8 bdaddr_type;
-};
-
struct le_scan_params {
u8 type;
u16 interval;
/* ----- HCI interface to upper protocols ----- */
extern int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr);
-extern int l2cap_connect_cfm(struct hci_conn *hcon, u8 status);
+extern void l2cap_connect_cfm(struct hci_conn *hcon, u8 status);
extern int l2cap_disconn_ind(struct hci_conn *hcon);
-extern int l2cap_disconn_cfm(struct hci_conn *hcon, u8 reason);
+extern void l2cap_disconn_cfm(struct hci_conn *hcon, u8 reason);
extern int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt);
extern int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb,
u16 flags);
extern int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr);
-extern int sco_connect_cfm(struct hci_conn *hcon, __u8 status);
-extern int sco_disconn_cfm(struct hci_conn *hcon, __u8 reason);
+extern void sco_connect_cfm(struct hci_conn *hcon, __u8 status);
+extern void sco_disconn_cfm(struct hci_conn *hcon, __u8 reason);
extern int sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb);
/* ----- Inquiry cache ----- */
static inline void hci_conn_hold(struct hci_conn *conn)
{
- BT_DBG("hcon %p refcnt %d -> %d", conn, atomic_read(&conn->refcnt),
- atomic_read(&conn->refcnt) + 1);
+ BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt));
atomic_inc(&conn->refcnt);
cancel_delayed_work(&conn->disc_work);
static inline void hci_conn_put(struct hci_conn *conn)
{
- BT_DBG("hcon %p refcnt %d -> %d", conn, atomic_read(&conn->refcnt),
- atomic_read(&conn->refcnt) - 1);
+ BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt));
if (atomic_dec_and_test(&conn->refcnt)) {
unsigned long timeo;
int mgmt_interleaved_discovery(struct hci_dev *hdev);
int mgmt_device_blocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type);
int mgmt_device_unblocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type);
-
+bool mgmt_valid_hdev(struct hci_dev *hdev);
int mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, u8 persistent);
/* HCI info for socket */
L2CAP_EV_RECV_FRAME,
};
-static inline void l2cap_chan_hold(struct l2cap_chan *c)
-{
- BT_DBG("chan %p orig refcnt %d", c, atomic_read(&c->refcnt));
-
- atomic_inc(&c->refcnt);
-}
-
-static inline void l2cap_chan_put(struct l2cap_chan *c)
-{
- BT_DBG("chan %p orig refcnt %d", c, atomic_read(&c->refcnt));
-
- if (atomic_dec_and_test(&c->refcnt))
- kfree(c);
-}
+void l2cap_chan_hold(struct l2cap_chan *c);
+void l2cap_chan_put(struct l2cap_chan *c);
static inline void l2cap_chan_lock(struct l2cap_chan *chan)
{
struct l2cap_chan *l2cap_chan_create(void);
void l2cap_chan_close(struct l2cap_chan *chan, int reason);
-void l2cap_chan_destroy(struct l2cap_chan *chan);
int l2cap_chan_connect(struct l2cap_chan *chan, __le16 psm, u16 cid,
bdaddr_t *dst, u8 dst_type);
int l2cap_chan_send(struct l2cap_chan *chan, struct msghdr *msg, size_t len,
#define SMP_CONFIRM_FAILED 0x04
#define SMP_PAIRING_NOTSUPP 0x05
#define SMP_ENC_KEY_SIZE 0x06
-#define SMP_CMD_NOTSUPP 0x07
-#define SMP_UNSPECIFIED 0x08
+#define SMP_CMD_NOTSUPP 0x07
+#define SMP_UNSPECIFIED 0x08
#define SMP_REPEATED_ATTEMPTS 0x09
#define SMP_MIN_ENC_KEY_SIZE 7
struct l2cap_conn *conn;
u8 preq[7]; /* SMP Pairing Request */
u8 prsp[7]; /* SMP Pairing Response */
- u8 prnd[16]; /* SMP Pairing Random (local) */
- u8 rrnd[16]; /* SMP Pairing Random (remote) */
+ u8 prnd[16]; /* SMP Pairing Random (local) */
+ u8 rrnd[16]; /* SMP Pairing Random (remote) */
u8 pcnf[16]; /* SMP Pairing Confirm */
u8 tk[16]; /* SMP Temporary Key */
u8 enc_key_size;
* @add_virtual_intf: create a new virtual interface with the given name,
* must set the struct wireless_dev's iftype. Beware: You must create
* the new netdev in the wiphy's network namespace! Returns the struct
- * wireless_dev, or an ERR_PTR.
+ * wireless_dev, or an ERR_PTR. For P2P device wdevs, the driver must
+ * also set the address member in the wdev.
*
* @del_virtual_intf: remove the virtual interface
*
* @get_channel: Get the current operating channel for the virtual interface.
* For monitor interfaces, it should return %NULL unless there's a single
* current monitoring channel.
+ *
+ * @start_p2p_device: Start the given P2P device.
+ * @stop_p2p_device: Stop the given P2P device.
*/
struct cfg80211_ops {
int (*suspend)(struct wiphy *wiphy, struct cfg80211_wowlan *wow);
(*get_channel)(struct wiphy *wiphy,
struct wireless_dev *wdev,
enum nl80211_channel_type *type);
+
+ int (*start_p2p_device)(struct wiphy *wiphy,
+ struct wireless_dev *wdev);
+ void (*stop_p2p_device)(struct wiphy *wiphy,
+ struct wireless_dev *wdev);
};
/*
* @cleanup_work: work struct used for cleanup that can't be done directly
* @beacon_interval: beacon interval used on this device for transmitting
* beacons, 0 when not valid
+ * @address: The address for this device, valid only if @netdev is %NULL
+ * @p2p_started: true if this is a P2P Device that has been started
*/
struct wireless_dev {
struct wiphy *wiphy;
struct work_struct cleanup_work;
- bool use_4addr;
+ bool use_4addr, p2p_started;
+
+ u8 address[ETH_ALEN] __aligned(sizeof(u16));
/* currently used for IBSS and SME - might be rearranged later */
u8 ssid[IEEE80211_MAX_SSID_LEN];
#endif
};
+static inline u8 *wdev_address(struct wireless_dev *wdev)
+{
+ if (wdev->netdev)
+ return wdev->netdev->dev_addr;
+ return wdev->address;
+}
+
/**
* wdev_priv - return wiphy priv from wireless_dev
*
*/
u32 cfg80211_calculate_bitrate(struct rate_info *rate);
+/**
+ * cfg80211_unregister_wdev - remove the given wdev
+ * @wdev: struct wireless_dev to remove
+ *
+ * Call this function only for wdevs that have no netdev assigned,
+ * e.g. P2P Devices. It removes the device from the list so that
+ * it can no longer be used. It is necessary to call this function
+ * even when cfg80211 requests the removal of the interface by
+ * calling the del_virtual_intf() callback. The function must also
+ * be called when the driver wishes to unregister the wdev, e.g.
+ * when the device is unbound from the driver.
+ *
+ * Requires the RTNL to be held.
+ */
+void cfg80211_unregister_wdev(struct wireless_dev *wdev);
+
/* Logging, debugging and troubleshooting/diagnostic helpers. */
/* wiphy_printk helpers, similar to dev_printk */
static inline int dst_neigh_output(struct dst_entry *dst, struct neighbour *n,
struct sk_buff *skb)
{
- struct hh_cache *hh;
+ const struct hh_cache *hh;
+
+ if (dst->pending_confirm) {
+ unsigned long now = jiffies;
- if (unlikely(dst->pending_confirm)) {
- n->confirmed = jiffies;
dst->pending_confirm = 0;
+ /* avoid dirtying neighbour */
+ if (n->confirmed != now)
+ n->confirmed = now;
}
hh = &n->hh;
* Contains a bitmap of known fields/flags, the flags, and
* the MCS index.
*
+ * IEEE80211_RADIOTAP_AMPDU_STATUS u32, u16, u8, u8 unitless
+ *
+ * Contains the AMPDU information for the subframe.
*/
enum ieee80211_radiotap_type {
IEEE80211_RADIOTAP_TSFT = 0,
IEEE80211_RADIOTAP_DATA_RETRIES = 17,
IEEE80211_RADIOTAP_MCS = 19,
+ IEEE80211_RADIOTAP_AMPDU_STATUS = 20,
/* valid in every it_present bitmap, even vendor namespaces */
IEEE80211_RADIOTAP_RADIOTAP_NAMESPACE = 29,
#define IEEE80211_RADIOTAP_MCS_FMT_GF 0x08
#define IEEE80211_RADIOTAP_MCS_FEC_LDPC 0x10
+/* For IEEE80211_RADIOTAP_AMPDU_STATUS */
+#define IEEE80211_RADIOTAP_AMPDU_REPORT_ZEROLEN 0x0001
+#define IEEE80211_RADIOTAP_AMPDU_IS_ZEROLEN 0x0002
+#define IEEE80211_RADIOTAP_AMPDU_LAST_KNOWN 0x0004
+#define IEEE80211_RADIOTAP_AMPDU_IS_LAST 0x0008
+#define IEEE80211_RADIOTAP_AMPDU_DELIM_CRC_ERR 0x0010
+#define IEEE80211_RADIOTAP_AMPDU_DELIM_CRC_KNOWN 0x0020
/* helpers */
static inline int ieee80211_get_radiotap_len(unsigned char *data)
#include <linux/netdevice.h>
#include <linux/ip6_tunnel.h>
+#define IP6TUNNEL_ERR_TIMEO (30*HZ)
+
/* capable of sending packets */
#define IP6_TNL_F_CAP_XMIT 0x10000
/* capable of receiving packets */
/* determine capability on a per-packet basis */
#define IP6_TNL_F_CAP_PER_PACKET 0x40000
-/* IPv6 tunnel */
+struct __ip6_tnl_parm {
+ char name[IFNAMSIZ]; /* name of tunnel device */
+ int link; /* ifindex of underlying L2 interface */
+ __u8 proto; /* tunnel protocol */
+ __u8 encap_limit; /* encapsulation limit for tunnel */
+ __u8 hop_limit; /* hop limit for tunnel */
+ __be32 flowinfo; /* traffic class and flowlabel for tunnel */
+ __u32 flags; /* tunnel flags */
+ struct in6_addr laddr; /* local tunnel end-point address */
+ struct in6_addr raddr; /* remote tunnel end-point address */
+
+ __be16 i_flags;
+ __be16 o_flags;
+ __be32 i_key;
+ __be32 o_key;
+};
+/* IPv6 tunnel */
struct ip6_tnl {
struct ip6_tnl __rcu *next; /* next tunnel in list */
struct net_device *dev; /* virtual device associated with tunnel */
- struct ip6_tnl_parm parms; /* tunnel configuration parameters */
+ struct __ip6_tnl_parm parms; /* tunnel configuration parameters */
struct flowi fl; /* flowi template for xmit */
struct dst_entry *dst_cache; /* cached dst */
u32 dst_cookie;
+
+ int err_count;
+ unsigned long err_time;
+
+ /* These fields used only by GRE */
+ __u32 i_seqno; /* The last seen seqno */
+ __u32 o_seqno; /* The last output seqno */
+ int hlen; /* Precalculated GRE header length */
+ int mlink;
};
/* Tunnel encapsulation limit destination sub-option */
__u8 encap_limit; /* tunnel encapsulation limit */
} __packed;
+struct dst_entry *ip6_tnl_dst_check(struct ip6_tnl *t);
+void ip6_tnl_dst_reset(struct ip6_tnl *t);
+void ip6_tnl_dst_store(struct ip6_tnl *t, struct dst_entry *dst);
+int ip6_tnl_rcv_ctl(struct ip6_tnl *t, const struct in6_addr *laddr,
+ const struct in6_addr *raddr);
+int ip6_tnl_xmit_ctl(struct ip6_tnl *t);
+__u16 ip6_tnl_parse_tlv_enc_lim(struct sk_buff *skb, __u8 *raw);
+__u32 ip6_tnl_get_cap(struct ip6_tnl *t, const struct in6_addr *laddr,
+ const struct in6_addr *raddr);
+
#endif
struct list_head rs_table[IP_VS_RTAB_SIZE];
/* ip_vs_app */
struct list_head app_list;
- /* ip_vs_ftp */
- struct ip_vs_app *ftp_app;
/* ip_vs_proto */
#define IP_VS_PROTO_TAB_SIZE 32 /* must be power of 2 */
struct ip_vs_proto_data *proto_data_table[IP_VS_PROTO_TAB_SIZE];
unsigned int sysctl_sync_refresh_period;
int sysctl_sync_retries;
int sysctl_nat_icmp_send;
+ int sysctl_pmtu_disc;
/* ip_vs_lblc */
int sysctl_lblc_expiration;
return ipvs->sysctl_sync_sock_size;
}
+static inline int sysctl_pmtu_disc(struct netns_ipvs *ipvs)
+{
+ return ipvs->sysctl_pmtu_disc;
+}
+
#else
static inline int sysctl_sync_threshold(struct netns_ipvs *ipvs)
return 0;
}
+static inline int sysctl_pmtu_disc(struct netns_ipvs *ipvs)
+{
+ return 1;
+}
+
#endif
/*
* (from ip_vs_app.c)
*/
#define IP_VS_APP_MAX_PORTS 8
-extern int register_ip_vs_app(struct net *net, struct ip_vs_app *app);
+extern struct ip_vs_app *register_ip_vs_app(struct net *net,
+ struct ip_vs_app *app);
extern void unregister_ip_vs_app(struct net *net, struct ip_vs_app *app);
extern int ip_vs_bind_app(struct ip_vs_conn *cp, struct ip_vs_protocol *pp);
extern void ip_vs_unbind_app(struct ip_vs_conn *cp);
#define NEXTHDR_IPV6 41 /* IPv6 in IPv6 */
#define NEXTHDR_ROUTING 43 /* Routing header. */
#define NEXTHDR_FRAGMENT 44 /* Fragmentation/reassembly header. */
+#define NEXTHDR_GRE 47 /* GRE header. */
#define NEXTHDR_ESP 50 /* Encapsulating security payload. */
#define NEXTHDR_AUTH 51 /* Authentication header. */
#define NEXTHDR_ICMP 58 /* ICMP for IPv6. */
struct ipv6_txoptions *opt;
unsigned long linger;
u8 share;
- u32 owner;
+ union {
+ struct pid *pid;
+ kuid_t uid;
+ } owner;
unsigned long lastuse;
unsigned long expires;
struct net *fl_net;
* @BSS_CHANGED_IDLE: Idle changed for this BSS/interface.
* @BSS_CHANGED_SSID: SSID changed for this BSS (AP mode)
* @BSS_CHANGED_AP_PROBE_RESP: Probe Response changed for this BSS (AP mode)
+ * @BSS_CHANGED_PS: PS changed for this BSS (STA mode)
*/
enum ieee80211_bss_change {
BSS_CHANGED_ASSOC = 1<<0,
BSS_CHANGED_IDLE = 1<<14,
BSS_CHANGED_SSID = 1<<15,
BSS_CHANGED_AP_PROBE_RESP = 1<<16,
+ BSS_CHANGED_PS = 1<<17,
/* when adding here, make sure to change ieee80211_reconfig */
};
* @idle: This interface is idle. There's also a global idle flag in the
* hardware config which may be more appropriate depending on what
* your driver/device needs to do.
+ * @ps: power-save mode (STA only). This flag is NOT affected by
+ * offchannel/dynamic_ps operations.
* @ssid: The SSID of the current vif. Only valid in AP-mode.
* @ssid_len: Length of SSID given in @ssid.
* @hidden_ssid: The SSID of the current vif is hidden. Only valid in AP-mode.
bool arp_filter_enabled;
bool qos;
bool idle;
+ bool ps;
u8 ssid[IEEE80211_MAX_SSID_LEN];
size_t ssid_len;
bool hidden_ssid;
* (2) driver internal use (if applicable)
* (3) TX status information - driver tells mac80211 what happened
*
- * The TX control's sta pointer is only valid during the ->tx call,
- * it may be NULL.
- *
* @flags: transmit info flags, defined above
* @band: the band to transmit on (use for checking for races)
* @hw_queue: HW queue to put the frame on, skb_get_queue_mapping() gives the AC
struct ieee80211_tx_rate rates[
IEEE80211_TX_MAX_RATES];
s8 rts_cts_rate_idx;
+ /* 3 bytes free */
};
/* only needed before rate control */
unsigned long jiffies;
/* NB: vif can be NULL for injected frames */
struct ieee80211_vif *vif;
struct ieee80211_key_conf *hw_key;
- struct ieee80211_sta *sta;
+ /* 8 bytes free */
} control;
struct {
struct ieee80211_tx_rate rates[IEEE80211_TX_MAX_RATES];
* @RX_FLAG_HT_GF: This frame was received in a HT-greenfield transmission, if
* the driver fills this value it should add %IEEE80211_RADIOTAP_MCS_HAVE_FMT
* to hw.radiotap_mcs_details to advertise that fact
+ * @RX_FLAG_AMPDU_DETAILS: A-MPDU details are known, in particular the reference
+ * number (@ampdu_reference) must be populated and be a distinct number for
+ * each A-MPDU
+ * @RX_FLAG_AMPDU_REPORT_ZEROLEN: driver reports 0-length subframes
+ * @RX_FLAG_AMPDU_IS_ZEROLEN: This is a zero-length subframe, for
+ * monitoring purposes only
+ * @RX_FLAG_AMPDU_LAST_KNOWN: last subframe is known, should be set on all
+ * subframes of a single A-MPDU
+ * @RX_FLAG_AMPDU_IS_LAST: this subframe is the last subframe of the A-MPDU
+ * @RX_FLAG_AMPDU_DELIM_CRC_ERROR: A delimiter CRC error has been detected
+ * on this subframe
+ * @RX_FLAG_AMPDU_DELIM_CRC_KNOWN: The delimiter CRC field is known (the CRC
+ * is stored in the @ampdu_delimiter_crc field)
*/
enum mac80211_rx_flags {
- RX_FLAG_MMIC_ERROR = 1<<0,
- RX_FLAG_DECRYPTED = 1<<1,
- RX_FLAG_MMIC_STRIPPED = 1<<3,
- RX_FLAG_IV_STRIPPED = 1<<4,
- RX_FLAG_FAILED_FCS_CRC = 1<<5,
- RX_FLAG_FAILED_PLCP_CRC = 1<<6,
- RX_FLAG_MACTIME_MPDU = 1<<7,
- RX_FLAG_SHORTPRE = 1<<8,
- RX_FLAG_HT = 1<<9,
- RX_FLAG_40MHZ = 1<<10,
- RX_FLAG_SHORT_GI = 1<<11,
- RX_FLAG_NO_SIGNAL_VAL = 1<<12,
- RX_FLAG_HT_GF = 1<<13,
+ RX_FLAG_MMIC_ERROR = BIT(0),
+ RX_FLAG_DECRYPTED = BIT(1),
+ RX_FLAG_MMIC_STRIPPED = BIT(3),
+ RX_FLAG_IV_STRIPPED = BIT(4),
+ RX_FLAG_FAILED_FCS_CRC = BIT(5),
+ RX_FLAG_FAILED_PLCP_CRC = BIT(6),
+ RX_FLAG_MACTIME_MPDU = BIT(7),
+ RX_FLAG_SHORTPRE = BIT(8),
+ RX_FLAG_HT = BIT(9),
+ RX_FLAG_40MHZ = BIT(10),
+ RX_FLAG_SHORT_GI = BIT(11),
+ RX_FLAG_NO_SIGNAL_VAL = BIT(12),
+ RX_FLAG_HT_GF = BIT(13),
+ RX_FLAG_AMPDU_DETAILS = BIT(14),
+ RX_FLAG_AMPDU_REPORT_ZEROLEN = BIT(15),
+ RX_FLAG_AMPDU_IS_ZEROLEN = BIT(16),
+ RX_FLAG_AMPDU_LAST_KNOWN = BIT(17),
+ RX_FLAG_AMPDU_IS_LAST = BIT(18),
+ RX_FLAG_AMPDU_DELIM_CRC_ERROR = BIT(19),
+ RX_FLAG_AMPDU_DELIM_CRC_KNOWN = BIT(20),
};
/**
* HT rates are use (RX_FLAG_HT)
* @flag: %RX_FLAG_*
* @rx_flags: internal RX flags for mac80211
+ * @ampdu_reference: A-MPDU reference number, must be a different value for
+ * each A-MPDU but the same for each subframe within one A-MPDU
+ * @ampdu_delimiter_crc: A-MPDU delimiter CRC
*/
struct ieee80211_rx_status {
u64 mactime;
u32 device_timestamp;
- u16 flag;
+ u32 ampdu_reference;
+ u32 flag;
u16 freq;
u8 rate_idx;
u8 rx_flags;
u8 band;
u8 antenna;
s8 signal;
+ u8 ampdu_delimiter_crc;
};
/**
};
/**
+ * struct ieee80211_tx_control - TX control data
+ *
+ * @sta: station table entry, this sta pointer may be NULL and
+ * it is not allowed to copy the pointer, due to RCU.
+ */
+struct ieee80211_tx_control {
+ struct ieee80211_sta *sta;
+};
+
+/**
* enum ieee80211_hw_flags - hardware flags
*
* These flags are used to indicate hardware capabilities to
* queue mapping in order to use different queues (not just one per AC)
* for different virtual interfaces. See the doc section on HW queue
* control for more details.
+ *
+ * @IEEE80211_HW_P2P_DEV_ADDR_FOR_INTF: Use the P2P Device address for any
+ * P2P Interface. This will be honoured even if more than one interface
+ * is supported.
*/
enum ieee80211_hw_flags {
IEEE80211_HW_HAS_RATE_CONTROL = 1<<0,
IEEE80211_HW_AP_LINK_PS = 1<<22,
IEEE80211_HW_TX_AMPDU_SETUP_IN_HW = 1<<23,
IEEE80211_HW_SCAN_WHILE_IDLE = 1<<24,
+ IEEE80211_HW_P2P_DEV_ADDR_FOR_INTF = 1<<25,
};
/**
* @IEEE80211_RC_BW_CHANGED: The bandwidth that can be used to transmit
* to this station changed.
* @IEEE80211_RC_SMPS_CHANGED: The SMPS state of the station changed.
+ * @IEEE80211_RC_SUPP_RATES_CHANGED: The supported rate set of this peer
+ * changed (in IBSS mode) due to discovering more information about
+ * the peer.
*/
enum ieee80211_rate_control_changed {
IEEE80211_RC_BW_CHANGED = BIT(0),
IEEE80211_RC_SMPS_CHANGED = BIT(1),
+ IEEE80211_RC_SUPP_RATES_CHANGED = BIT(2),
};
/**
* The callback is optional and can (should!) sleep.
*/
struct ieee80211_ops {
- void (*tx)(struct ieee80211_hw *hw, struct sk_buff *skb);
+ void (*tx)(struct ieee80211_hw *hw,
+ struct ieee80211_tx_control *control,
+ struct sk_buff *skb);
int (*start)(struct ieee80211_hw *hw);
void (*stop)(struct ieee80211_hw *hw);
#ifdef CONFIG_PM
#include <linux/types.h>
#include <linux/if_arp.h>
#include <linux/netdevice.h>
+#include <linux/hash.h>
#include <net/neighbour.h>
{
const u32 *p32 = pkey;
- return (((p32[0] ^ dev->ifindex) * hash_rnd[0]) +
+ return (((p32[0] ^ hash32_ptr(dev)) * hash_rnd[0]) +
(p32[1] * hash_rnd[1]) +
(p32[2] * hash_rnd[2]) +
(p32[3] * hash_rnd[3]));
}
#endif
-static inline int neigh_hh_output(struct hh_cache *hh, struct sk_buff *skb)
+static inline int neigh_hh_output(const struct hh_cache *hh, struct sk_buff *skb)
{
unsigned int seq;
int hh_len;
do {
- int hh_alen;
-
seq = read_seqbegin(&hh->hh_lock);
hh_len = hh->hh_len;
- hh_alen = HH_DATA_ALIGN(hh_len);
- memcpy(skb->data - hh_alen, hh->hh_data, hh_alen);
+ if (likely(hh_len <= HH_DATA_MOD)) {
+ /* this is inlined by gcc */
+ memcpy(skb->data - HH_DATA_MOD, hh->hh_data, HH_DATA_MOD);
+ } else {
+ int hh_alen = HH_DATA_ALIGN(hh_len);
+
+ memcpy(skb->data - hh_alen, hh->hh_data, hh_alen);
+ }
} while (read_seqretry(&hh->hh_lock, seq));
skb_push(skb, hh_len);
#include <net/netns/packet.h>
#include <net/netns/ipv4.h>
#include <net/netns/ipv6.h>
+#include <net/netns/sctp.h>
#include <net/netns/dccp.h>
#include <net/netns/x_tables.h>
#if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE)
struct hlist_head *dev_name_head;
struct hlist_head *dev_index_head;
unsigned int dev_base_seq; /* protected by rtnl_mutex */
+ int ifindex;
/* core fib_rules */
struct list_head rules_ops;
#if IS_ENABLED(CONFIG_IPV6)
struct netns_ipv6 ipv6;
#endif
+#if defined(CONFIG_IP_SCTP) || defined(CONFIG_IP_SCTP_MODULE)
+ struct netns_sctp sctp;
+#endif
#if defined(CONFIG_IP_DCCP) || defined(CONFIG_IP_DCCP_MODULE)
struct netns_dccp dccp;
#endif
struct sock *diag_nlsk;
};
+/*
+ * ifindex generation is per-net namespace, and loopback is
+ * always the 1st device in ns (see net_dev_init), thus any
+ * loopback device should get ifindex 1
+ */
+
+#define LOOPBACK_IFINDEX 1
#include <linux/seq_file_net.h>
* nla_put_u16(skb, type, value) add u16 attribute to skb
* nla_put_u32(skb, type, value) add u32 attribute to skb
* nla_put_u64(skb, type, value) add u64 attribute to skb
+ * nla_put_s8(skb, type, value) add s8 attribute to skb
+ * nla_put_s16(skb, type, value) add s16 attribute to skb
+ * nla_put_s32(skb, type, value) add s32 attribute to skb
+ * nla_put_s64(skb, type, value) add s64 attribute to skb
* nla_put_string(skb, type, str) add string attribute to skb
* nla_put_flag(skb, type) add flag attribute to skb
* nla_put_msecs(skb, type, jiffies) add msecs attribute to skb
* nla_get_u16(nla) get payload for a u16 attribute
* nla_get_u32(nla) get payload for a u32 attribute
* nla_get_u64(nla) get payload for a u64 attribute
+ * nla_get_s8(nla) get payload for a s8 attribute
+ * nla_get_s16(nla) get payload for a s16 attribute
+ * nla_get_s32(nla) get payload for a s32 attribute
+ * nla_get_s64(nla) get payload for a s64 attribute
* nla_get_flag(nla) return 1 if flag is true
* nla_get_msecs(nla) get payload for a msecs attribute
*
NLA_NESTED_COMPAT,
NLA_NUL_STRING,
NLA_BINARY,
+ NLA_S8,
+ NLA_S16,
+ NLA_S32,
+ NLA_S64,
__NLA_TYPE_MAX,
};
* NLA_NESTED_COMPAT Minimum length of structure payload
* NLA_U8, NLA_U16,
* NLA_U32, NLA_U64,
+ * NLA_S8, NLA_S16,
+ * NLA_S32, NLA_S64,
* NLA_MSECS Leaving the length field zero will verify the
* given type fits, using it verifies minimum length
* just like "All other"
}
/**
+ * nla_put_s8 - Add a s8 netlink attribute to a socket buffer
+ * @skb: socket buffer to add attribute to
+ * @attrtype: attribute type
+ * @value: numeric value
+ */
+static inline int nla_put_s8(struct sk_buff *skb, int attrtype, s8 value)
+{
+ return nla_put(skb, attrtype, sizeof(s8), &value);
+}
+
+/**
+ * nla_put_s16 - Add a s16 netlink attribute to a socket buffer
+ * @skb: socket buffer to add attribute to
+ * @attrtype: attribute type
+ * @value: numeric value
+ */
+static inline int nla_put_s16(struct sk_buff *skb, int attrtype, s16 value)
+{
+ return nla_put(skb, attrtype, sizeof(s16), &value);
+}
+
+/**
+ * nla_put_s32 - Add a s32 netlink attribute to a socket buffer
+ * @skb: socket buffer to add attribute to
+ * @attrtype: attribute type
+ * @value: numeric value
+ */
+static inline int nla_put_s32(struct sk_buff *skb, int attrtype, s32 value)
+{
+ return nla_put(skb, attrtype, sizeof(s32), &value);
+}
+
+/**
+ * nla_put_s64 - Add a s64 netlink attribute to a socket buffer
+ * @skb: socket buffer to add attribute to
+ * @attrtype: attribute type
+ * @value: numeric value
+ */
+static inline int nla_put_s64(struct sk_buff *skb, int attrtype, s64 value)
+{
+ return nla_put(skb, attrtype, sizeof(s64), &value);
+}
+
+/**
* nla_put_string - Add a string netlink attribute to a socket buffer
* @skb: socket buffer to add attribute to
* @attrtype: attribute type
}
/**
+ * nla_get_s32 - return payload of s32 attribute
+ * @nla: s32 netlink attribute
+ */
+static inline s32 nla_get_s32(const struct nlattr *nla)
+{
+ return *(s32 *) nla_data(nla);
+}
+
+/**
+ * nla_get_s16 - return payload of s16 attribute
+ * @nla: s16 netlink attribute
+ */
+static inline s16 nla_get_s16(const struct nlattr *nla)
+{
+ return *(s16 *) nla_data(nla);
+}
+
+/**
+ * nla_get_s8 - return payload of s8 attribute
+ * @nla: s8 netlink attribute
+ */
+static inline s8 nla_get_s8(const struct nlattr *nla)
+{
+ return *(s8 *) nla_data(nla);
+}
+
+/**
+ * nla_get_s64 - return payload of s64 attribute
+ * @nla: s64 netlink attribute
+ */
+static inline s64 nla_get_s64(const struct nlattr *nla)
+{
+ s64 tmp;
+
+ nla_memcpy(&tmp, nla, sizeof(tmp));
+
+ return tmp;
+}
+
+/**
* nla_get_flag - return payload of flag attribute
* @nla: flag netlink attribute
*/
#ifndef __NETNS_IPV4_H__
#define __NETNS_IPV4_H__
+#include <linux/uidgid.h>
#include <net/inet_frag.h>
struct tcpm_hash_bucket;
int sysctl_icmp_ratemask;
int sysctl_icmp_errors_use_inbound_ifaddr;
- unsigned int sysctl_ping_group_range[2];
+ kgid_t sysctl_ping_group_range[2];
long sysctl_tcp_mem[3];
atomic_t rt_genid;
#define __NETNS_PACKET_H__
#include <linux/rculist.h>
-#include <linux/spinlock.h>
+#include <linux/mutex.h>
struct netns_packet {
- spinlock_t sklist_lock;
+ struct mutex sklist_lock;
struct hlist_head sklist;
};
--- /dev/null
+#ifndef __NETNS_SCTP_H__
+#define __NETNS_SCTP_H__
+
+struct sock;
+struct proc_dir_entry;
+struct sctp_mib;
+struct ctl_table_header;
+
+struct netns_sctp {
+ DEFINE_SNMP_STAT(struct sctp_mib, sctp_statistics);
+
+#ifdef CONFIG_PROC_FS
+ struct proc_dir_entry *proc_net_sctp;
+#endif
+#ifdef CONFIG_SYSCTL
+ struct ctl_table_header *sysctl_header;
+#endif
+ /* This is the global socket data structure used for responding to
+ * the Out-of-the-blue (OOTB) packets. A control sock will be created
+ * for this socket at the initialization time.
+ */
+ struct sock *ctl_sock;
+
+ /* This is the global local address list.
+ * We actively maintain this complete list of addresses on
+ * the system by catching address add/delete events.
+ *
+ * It is a list of sctp_sockaddr_entry.
+ */
+ struct list_head local_addr_list;
+ struct list_head addr_waitq;
+ struct timer_list addr_wq_timer;
+ struct list_head auto_asconf_splist;
+ spinlock_t addr_wq_lock;
+
+ /* Lock that protects the local_addr_list writers */
+ spinlock_t local_addr_lock;
+
+ /* RFC2960 Section 14. Suggested SCTP Protocol Parameter Values
+ *
+ * The following protocol parameters are RECOMMENDED:
+ *
+ * RTO.Initial - 3 seconds
+ * RTO.Min - 1 second
+ * RTO.Max - 60 seconds
+ * RTO.Alpha - 1/8 (3 when converted to right shifts.)
+ * RTO.Beta - 1/4 (2 when converted to right shifts.)
+ */
+ unsigned int rto_initial;
+ unsigned int rto_min;
+ unsigned int rto_max;
+
+ /* Note: rto_alpha and rto_beta are really defined as inverse
+ * powers of two to facilitate integer operations.
+ */
+ int rto_alpha;
+ int rto_beta;
+
+ /* Max.Burst - 4 */
+ int max_burst;
+
+ /* Whether Cookie Preservative is enabled(1) or not(0) */
+ int cookie_preserve_enable;
+
+ /* Valid.Cookie.Life - 60 seconds */
+ unsigned int valid_cookie_life;
+
+ /* Delayed SACK timeout 200ms default*/
+ unsigned int sack_timeout;
+
+ /* HB.interval - 30 seconds */
+ unsigned int hb_interval;
+
+ /* Association.Max.Retrans - 10 attempts
+ * Path.Max.Retrans - 5 attempts (per destination address)
+ * Max.Init.Retransmits - 8 attempts
+ */
+ int max_retrans_association;
+ int max_retrans_path;
+ int max_retrans_init;
+ /* Potentially-Failed.Max.Retrans sysctl value
+ * taken from:
+ * http://tools.ietf.org/html/draft-nishida-tsvwg-sctp-failover-05
+ */
+ int pf_retrans;
+
+ /*
+ * Policy for preforming sctp/socket accounting
+ * 0 - do socket level accounting, all assocs share sk_sndbuf
+ * 1 - do sctp accounting, each asoc may use sk_sndbuf bytes
+ */
+ int sndbuf_policy;
+
+ /*
+ * Policy for preforming sctp/socket accounting
+ * 0 - do socket level accounting, all assocs share sk_rcvbuf
+ * 1 - do sctp accounting, each asoc may use sk_rcvbuf bytes
+ */
+ int rcvbuf_policy;
+
+ int default_auto_asconf;
+
+ /* Flag to indicate if addip is enabled. */
+ int addip_enable;
+ int addip_noauth;
+
+ /* Flag to indicate if PR-SCTP is enabled. */
+ int prsctp_enable;
+
+ /* Flag to idicate if SCTP-AUTH is enabled */
+ int auth_enable;
+
+ /*
+ * Policy to control SCTP IPv4 address scoping
+ * 0 - Disable IPv4 address scoping
+ * 1 - Enable IPv4 address scoping
+ * 2 - Selectively allow only IPv4 private addresses
+ * 3 - Selectively allow only IPv4 link local address
+ */
+ int scope_policy;
+
+ /* Threshold for rwnd update SACKS. Receive buffer shifted this many
+ * bits is an indicator of when to send and window update SACK.
+ */
+ int rwnd_upd_shift;
+
+ /* Threshold for autoclose timeout, in seconds. */
+ unsigned long max_autoclose;
+};
+
+#endif /* __NETNS_SCTP_H__ */
unsigned long (*get)(struct tcf_proto*, u32 handle);
void (*put)(struct tcf_proto*, unsigned long);
- int (*change)(struct tcf_proto*, unsigned long,
+ int (*change)(struct sk_buff *,
+ struct tcf_proto*, unsigned long,
u32 handle, struct nlattr **,
unsigned long *);
int (*delete)(struct tcf_proto*, unsigned long);
/*
* sctp/protocol.c
*/
-extern struct sock *sctp_get_ctl_sock(void);
-extern int sctp_copy_local_addr_list(struct sctp_bind_addr *,
+extern int sctp_copy_local_addr_list(struct net *, struct sctp_bind_addr *,
sctp_scope_t, gfp_t gfp,
int flags);
extern struct sctp_pf *sctp_get_pf_specific(sa_family_t family);
extern int sctp_register_pf(struct sctp_pf *, sa_family_t);
-extern void sctp_addr_wq_mgmt(struct sctp_sockaddr_entry *, int);
+extern void sctp_addr_wq_mgmt(struct net *, struct sctp_sockaddr_entry *, int);
/*
* sctp/socket.c
/*
* sctp/primitive.c
*/
-int sctp_primitive_ASSOCIATE(struct sctp_association *, void *arg);
-int sctp_primitive_SHUTDOWN(struct sctp_association *, void *arg);
-int sctp_primitive_ABORT(struct sctp_association *, void *arg);
-int sctp_primitive_SEND(struct sctp_association *, void *arg);
-int sctp_primitive_REQUESTHEARTBEAT(struct sctp_association *, void *arg);
-int sctp_primitive_ASCONF(struct sctp_association *, void *arg);
+int sctp_primitive_ASSOCIATE(struct net *, struct sctp_association *, void *arg);
+int sctp_primitive_SHUTDOWN(struct net *, struct sctp_association *, void *arg);
+int sctp_primitive_ABORT(struct net *, struct sctp_association *, void *arg);
+int sctp_primitive_SEND(struct net *, struct sctp_association *, void *arg);
+int sctp_primitive_REQUESTHEARTBEAT(struct net *, struct sctp_association *, void *arg);
+int sctp_primitive_ASCONF(struct net *, struct sctp_association *, void *arg);
/*
* sctp/input.c
void sctp_unhash_established(struct sctp_association *);
void sctp_hash_endpoint(struct sctp_endpoint *);
void sctp_unhash_endpoint(struct sctp_endpoint *);
-struct sock *sctp_err_lookup(int family, struct sk_buff *,
+struct sock *sctp_err_lookup(struct net *net, int family, struct sk_buff *,
struct sctphdr *, struct sctp_association **,
struct sctp_transport **);
void sctp_err_finish(struct sock *, struct sctp_association *);
/*
* sctp/proc.c
*/
-int sctp_snmp_proc_init(void);
-void sctp_snmp_proc_exit(void);
-int sctp_eps_proc_init(void);
-void sctp_eps_proc_exit(void);
-int sctp_assocs_proc_init(void);
-void sctp_assocs_proc_exit(void);
-int sctp_remaddr_proc_init(void);
-void sctp_remaddr_proc_exit(void);
+int sctp_snmp_proc_init(struct net *net);
+void sctp_snmp_proc_exit(struct net *net);
+int sctp_eps_proc_init(struct net *net);
+void sctp_eps_proc_exit(struct net *net);
+int sctp_assocs_proc_init(struct net *net);
+void sctp_assocs_proc_exit(struct net *net);
+int sctp_remaddr_proc_init(struct net *net);
+void sctp_remaddr_proc_exit(struct net *net);
/*
#define sctp_bh_unlock_sock(sk) bh_unlock_sock(sk)
/* SCTP SNMP MIB stats handlers */
-DECLARE_SNMP_STAT(struct sctp_mib, sctp_statistics);
-#define SCTP_INC_STATS(field) SNMP_INC_STATS(sctp_statistics, field)
-#define SCTP_INC_STATS_BH(field) SNMP_INC_STATS_BH(sctp_statistics, field)
-#define SCTP_INC_STATS_USER(field) SNMP_INC_STATS_USER(sctp_statistics, field)
-#define SCTP_DEC_STATS(field) SNMP_DEC_STATS(sctp_statistics, field)
+#define SCTP_INC_STATS(net, field) SNMP_INC_STATS((net)->sctp.sctp_statistics, field)
+#define SCTP_INC_STATS_BH(net, field) SNMP_INC_STATS_BH((net)->sctp.sctp_statistics, field)
+#define SCTP_INC_STATS_USER(net, field) SNMP_INC_STATS_USER((net)->sctp.sctp_statistics, field)
+#define SCTP_DEC_STATS(net, field) SNMP_DEC_STATS((net)->sctp.sctp_statistics, field)
#endif /* !TEST_FRAME */
#define SCTP_DBG_OBJCNT_ENTRY(name) \
{.label= #name, .counter= &sctp_dbg_objcnt_## name}
-void sctp_dbg_objcnt_init(void);
-void sctp_dbg_objcnt_exit(void);
+void sctp_dbg_objcnt_init(struct net *);
+void sctp_dbg_objcnt_exit(struct net *);
#else
#define SCTP_DBG_OBJCNT_INC(name)
#define SCTP_DBG_OBJCNT_DEC(name)
-static inline void sctp_dbg_objcnt_init(void) { return; }
-static inline void sctp_dbg_objcnt_exit(void) { return; }
+static inline void sctp_dbg_objcnt_init(struct net *net) { return; }
+static inline void sctp_dbg_objcnt_exit(struct net *net) { return; }
#endif /* CONFIG_SCTP_DBG_OBJCOUNT */
#if defined CONFIG_SYSCTL
void sctp_sysctl_register(void);
void sctp_sysctl_unregister(void);
+int sctp_sysctl_net_register(struct net *net);
+void sctp_sysctl_net_unregister(struct net *net);
#else
static inline void sctp_sysctl_register(void) { return; }
static inline void sctp_sysctl_unregister(void) { return; }
+static inline int sctp_sysctl_net_register(struct net *net) { return 0; }
+static inline void sctp_sysctl_net_unregister(struct net *net) { return; }
#endif
/* Size of Supported Address Parameter for 'x' address types. */
extern struct proto sctp_prot;
extern struct proto sctpv6_prot;
-extern struct proc_dir_entry *proc_net_sctp;
void sctp_put_port(struct sock *sk);
extern struct idr sctp_assocs_id;
/* Warning: The following hash functions assume a power of two 'size'. */
/* This is the hash function for the SCTP port hash table. */
-static inline int sctp_phashfn(__u16 lport)
+static inline int sctp_phashfn(struct net *net, __u16 lport)
{
- return lport & (sctp_port_hashsize - 1);
+ return (net_hash_mix(net) + lport) & (sctp_port_hashsize - 1);
}
/* This is the hash function for the endpoint hash table. */
-static inline int sctp_ep_hashfn(__u16 lport)
+static inline int sctp_ep_hashfn(struct net *net, __u16 lport)
{
- return lport & (sctp_ep_hashsize - 1);
+ return (net_hash_mix(net) + lport) & (sctp_ep_hashsize - 1);
}
/* This is the hash function for the association hash table. */
-static inline int sctp_assoc_hashfn(__u16 lport, __u16 rport)
+static inline int sctp_assoc_hashfn(struct net *net, __u16 lport, __u16 rport)
{
- int h = (lport << 16) + rport;
+ int h = (lport << 16) + rport + net_hash_mix(net);
h ^= h>>8;
return h & (sctp_assoc_hashsize - 1);
}
int action;
} sctp_sm_command_t;
-typedef sctp_disposition_t (sctp_state_fn_t) (const struct sctp_endpoint *,
+typedef sctp_disposition_t (sctp_state_fn_t) (struct net *,
+ const struct sctp_endpoint *,
const struct sctp_association *,
const sctp_subtype_t type,
void *arg,
/* Prototypes for utility support functions. */
__u8 sctp_get_chunk_type(struct sctp_chunk *chunk);
-const sctp_sm_table_entry_t *sctp_sm_lookup_event(sctp_event_t,
+const sctp_sm_table_entry_t *sctp_sm_lookup_event(struct net *,
+ sctp_event_t,
sctp_state_t,
sctp_subtype_t);
int sctp_chunk_iif(const struct sctp_chunk *);
/* Prototypes for statetable processing. */
-int sctp_do_sm(sctp_event_t event_type, sctp_subtype_t subtype,
+int sctp_do_sm(struct net *net, sctp_event_t event_type, sctp_subtype_t subtype,
sctp_state_t state,
struct sctp_endpoint *,
struct sctp_association *asoc,
unsigned short fastreuse;
struct hlist_node node;
struct hlist_head owner;
+ struct net *net;
};
struct sctp_bind_hashbucket {
/* The SCTP globals structure. */
extern struct sctp_globals {
- /* RFC2960 Section 14. Suggested SCTP Protocol Parameter Values
- *
- * The following protocol parameters are RECOMMENDED:
- *
- * RTO.Initial - 3 seconds
- * RTO.Min - 1 second
- * RTO.Max - 60 seconds
- * RTO.Alpha - 1/8 (3 when converted to right shifts.)
- * RTO.Beta - 1/4 (2 when converted to right shifts.)
- */
- unsigned int rto_initial;
- unsigned int rto_min;
- unsigned int rto_max;
-
- /* Note: rto_alpha and rto_beta are really defined as inverse
- * powers of two to facilitate integer operations.
- */
- int rto_alpha;
- int rto_beta;
-
- /* Max.Burst - 4 */
- int max_burst;
-
- /* Whether Cookie Preservative is enabled(1) or not(0) */
- int cookie_preserve_enable;
-
- /* Valid.Cookie.Life - 60 seconds */
- unsigned int valid_cookie_life;
-
- /* Delayed SACK timeout 200ms default*/
- unsigned int sack_timeout;
-
- /* HB.interval - 30 seconds */
- unsigned int hb_interval;
-
- /* Association.Max.Retrans - 10 attempts
- * Path.Max.Retrans - 5 attempts (per destination address)
- * Max.Init.Retransmits - 8 attempts
- */
- int max_retrans_association;
- int max_retrans_path;
- int max_retrans_init;
-
- /* Potentially-Failed.Max.Retrans sysctl value
- * taken from:
- * http://tools.ietf.org/html/draft-nishida-tsvwg-sctp-failover-05
- */
- int pf_retrans;
-
- /*
- * Policy for preforming sctp/socket accounting
- * 0 - do socket level accounting, all assocs share sk_sndbuf
- * 1 - do sctp accounting, each asoc may use sk_sndbuf bytes
- */
- int sndbuf_policy;
-
- /*
- * Policy for preforming sctp/socket accounting
- * 0 - do socket level accounting, all assocs share sk_rcvbuf
- * 1 - do sctp accounting, each asoc may use sk_rcvbuf bytes
- */
- int rcvbuf_policy;
-
/* The following variables are implementation specific. */
/* Default initialization values to be applied to new associations. */
int port_hashsize;
struct sctp_bind_hashbucket *port_hashtable;
- /* This is the global local address list.
- * We actively maintain this complete list of addresses on
- * the system by catching address add/delete events.
- *
- * It is a list of sctp_sockaddr_entry.
- */
- struct list_head local_addr_list;
- int default_auto_asconf;
- struct list_head addr_waitq;
- struct timer_list addr_wq_timer;
- struct list_head auto_asconf_splist;
- spinlock_t addr_wq_lock;
-
- /* Lock that protects the local_addr_list writers */
- spinlock_t addr_list_lock;
-
- /* Flag to indicate if addip is enabled. */
- int addip_enable;
- int addip_noauth_enable;
-
- /* Flag to indicate if PR-SCTP is enabled. */
- int prsctp_enable;
-
- /* Flag to idicate if SCTP-AUTH is enabled */
- int auth_enable;
-
- /*
- * Policy to control SCTP IPv4 address scoping
- * 0 - Disable IPv4 address scoping
- * 1 - Enable IPv4 address scoping
- * 2 - Selectively allow only IPv4 private addresses
- * 3 - Selectively allow only IPv4 link local address
- */
- int ipv4_scope_policy;
-
/* Flag to indicate whether computing and verifying checksum
* is disabled. */
bool checksum_disable;
-
- /* Threshold for rwnd update SACKS. Receive buffer shifted this many
- * bits is an indicator of when to send and window update SACK.
- */
- int rwnd_update_shift;
-
- /* Threshold for autoclose timeout, in seconds. */
- unsigned long max_autoclose;
} sctp_globals;
-#define sctp_rto_initial (sctp_globals.rto_initial)
-#define sctp_rto_min (sctp_globals.rto_min)
-#define sctp_rto_max (sctp_globals.rto_max)
-#define sctp_rto_alpha (sctp_globals.rto_alpha)
-#define sctp_rto_beta (sctp_globals.rto_beta)
-#define sctp_max_burst (sctp_globals.max_burst)
-#define sctp_valid_cookie_life (sctp_globals.valid_cookie_life)
-#define sctp_cookie_preserve_enable (sctp_globals.cookie_preserve_enable)
-#define sctp_max_retrans_association (sctp_globals.max_retrans_association)
-#define sctp_sndbuf_policy (sctp_globals.sndbuf_policy)
-#define sctp_rcvbuf_policy (sctp_globals.rcvbuf_policy)
-#define sctp_max_retrans_path (sctp_globals.max_retrans_path)
-#define sctp_pf_retrans (sctp_globals.pf_retrans)
-#define sctp_max_retrans_init (sctp_globals.max_retrans_init)
-#define sctp_sack_timeout (sctp_globals.sack_timeout)
-#define sctp_hb_interval (sctp_globals.hb_interval)
#define sctp_max_instreams (sctp_globals.max_instreams)
#define sctp_max_outstreams (sctp_globals.max_outstreams)
#define sctp_address_families (sctp_globals.address_families)
#define sctp_assoc_hashtable (sctp_globals.assoc_hashtable)
#define sctp_port_hashsize (sctp_globals.port_hashsize)
#define sctp_port_hashtable (sctp_globals.port_hashtable)
-#define sctp_local_addr_list (sctp_globals.local_addr_list)
-#define sctp_local_addr_lock (sctp_globals.addr_list_lock)
-#define sctp_auto_asconf_splist (sctp_globals.auto_asconf_splist)
-#define sctp_addr_waitq (sctp_globals.addr_waitq)
-#define sctp_addr_wq_timer (sctp_globals.addr_wq_timer)
-#define sctp_addr_wq_lock (sctp_globals.addr_wq_lock)
-#define sctp_default_auto_asconf (sctp_globals.default_auto_asconf)
-#define sctp_scope_policy (sctp_globals.ipv4_scope_policy)
-#define sctp_addip_enable (sctp_globals.addip_enable)
-#define sctp_addip_noauth (sctp_globals.addip_noauth_enable)
-#define sctp_prsctp_enable (sctp_globals.prsctp_enable)
-#define sctp_auth_enable (sctp_globals.auth_enable)
#define sctp_checksum_disable (sctp_globals.checksum_disable)
-#define sctp_rwnd_upd_shift (sctp_globals.rwnd_update_shift)
-#define sctp_max_autoclose (sctp_globals.max_autoclose)
/* SCTP Socket type: UDP or TCP style. */
typedef enum {
__u64 hb_nonce;
};
-struct sctp_transport *sctp_transport_new(const union sctp_addr *,
+struct sctp_transport *sctp_transport_new(struct net *, const union sctp_addr *,
gfp_t);
void sctp_transport_set_owner(struct sctp_transport *,
struct sctp_association *);
void sctp_bind_addr_init(struct sctp_bind_addr *, __u16 port);
void sctp_bind_addr_free(struct sctp_bind_addr *);
-int sctp_bind_addr_copy(struct sctp_bind_addr *dest,
+int sctp_bind_addr_copy(struct net *net, struct sctp_bind_addr *dest,
const struct sctp_bind_addr *src,
sctp_scope_t scope, gfp_t gfp,
int flags);
__u16 port, gfp_t gfp);
sctp_scope_t sctp_scope(const union sctp_addr *);
-int sctp_in_scope(const union sctp_addr *addr, const sctp_scope_t scope);
+int sctp_in_scope(struct net *net, const union sctp_addr *addr, const sctp_scope_t scope);
int sctp_is_any(struct sock *sk, const union sctp_addr *addr);
int sctp_addr_is_valid(const union sctp_addr *addr);
int sctp_is_ep_boundall(struct sock *sk);
int sctp_endpoint_is_peeled_off(struct sctp_endpoint *,
const union sctp_addr *);
struct sctp_endpoint *sctp_endpoint_is_match(struct sctp_endpoint *,
- const union sctp_addr *);
-int sctp_has_association(const union sctp_addr *laddr,
+ struct net *, const union sctp_addr *);
+int sctp_has_association(struct net *net, const union sctp_addr *laddr,
const union sctp_addr *paddr);
-int sctp_verify_init(const struct sctp_association *asoc, sctp_cid_t,
- sctp_init_chunk_t *peer_init, struct sctp_chunk *chunk,
- struct sctp_chunk **err_chunk);
+int sctp_verify_init(struct net *net, const struct sctp_association *asoc,
+ sctp_cid_t, sctp_init_chunk_t *peer_init,
+ struct sctp_chunk *chunk, struct sctp_chunk **err_chunk);
int sctp_process_init(struct sctp_association *, struct sctp_chunk *chunk,
const union sctp_addr *peer,
sctp_init_chunk_t *init, gfp_t gfp);
sctp_transport_cmd_t, sctp_sn_error_t);
struct sctp_transport *sctp_assoc_lookup_tsn(struct sctp_association *, __u32);
struct sctp_transport *sctp_assoc_is_match(struct sctp_association *,
+ struct net *,
const union sctp_addr *,
const union sctp_addr *);
void sctp_assoc_migrate(struct sctp_association *, struct sock *);
*/
#define SNMP_UPD_PO_STATS(mib, basefield, addend) \
do { \
- this_cpu_inc(mib[0]->mibs[basefield##PKTS]); \
- this_cpu_add(mib[0]->mibs[basefield##OCTETS], addend); \
+ __typeof__(*mib[0]->mibs) *ptr = mib[0]->mibs; \
+ this_cpu_inc(ptr[basefield##PKTS]); \
+ this_cpu_add(ptr[basefield##OCTETS], addend); \
} while (0)
#define SNMP_UPD_PO_STATS_BH(mib, basefield, addend) \
do { \
- __this_cpu_inc(mib[0]->mibs[basefield##PKTS]); \
- __this_cpu_add(mib[0]->mibs[basefield##OCTETS], addend); \
+ __typeof__(*mib[0]->mibs) *ptr = mib[0]->mibs; \
+ __this_cpu_inc(ptr[basefield##PKTS]); \
+ __this_cpu_add(ptr[basefield##OCTETS], addend); \
} while (0)
#define sk_for_each_bound(__sk, node, list) \
hlist_for_each_entry(__sk, node, list, sk_bind_node)
+static inline struct user_namespace *sk_user_ns(struct sock *sk)
+{
+ /* Careful only use this in a context where these parameters
+ * can not change and must all be valid, such as recvmsg from
+ * userspace.
+ */
+ return sk->sk_socket->file->f_cred->user_ns;
+}
+
/* Sock flags */
enum sock_flags {
SOCK_DEAD,
write_unlock_bh(&sk->sk_callback_lock);
}
-extern int sock_i_uid(struct sock *sk);
+extern kuid_t sock_i_uid(struct sock *sk);
extern unsigned long sock_i_ino(struct sock *sk);
static inline struct dst_entry *
sa_family_t family;
enum tcp_seq_states state;
struct sock *syn_wait_sk;
- int bucket, offset, sbucket, num, uid;
+ int bucket, offset, sbucket, num;
+ kuid_t uid;
loff_t last_pos;
};
struct list_head list;
char *id;
int (*notify)(struct xfrm_state *x, const struct km_event *c);
- int (*acquire)(struct xfrm_state *x, struct xfrm_tmpl *, struct xfrm_policy *xp, int dir);
+ int (*acquire)(struct xfrm_state *x, struct xfrm_tmpl *, struct xfrm_policy *xp);
struct xfrm_policy *(*compile_policy)(struct sock *sk, int opt, u8 *data, int len, int *dir);
int (*new_mapping)(struct xfrm_state *x, xfrm_address_t *ipaddr, __be16 sport);
int (*notify_policy)(struct xfrm_policy *x, int dir, const struct km_event *c);
depends on PROC_EVENTS = n
# Networking
- depends on NET = n
depends on NET_9P = n
- depends on IPX = n
- depends on PHONET = n
- depends on NET_CLS_FLOW = n
- depends on NETFILTER_XT_MATCH_OWNER = n
- depends on NETFILTER_XT_MATCH_RECENT = n
- depends on NETFILTER_XT_TARGET_LOG = n
- depends on NETFILTER_NETLINK_LOG = n
- depends on INET = n
- depends on IPV6 = n
- depends on IP_SCTP = n
depends on AF_RXRPC = n
- depends on LLC2 = n
depends on NET_KEY = n
- depends on INET_DIAG = n
depends on DNS_RESOLVER = n
- depends on AX25 = n
- depends on ATALK = n
# Filesystems
- depends on USB_DEVICEFS = n
depends on USB_GADGETFS = n
depends on USB_FUNCTIONFS = n
depends on DEVTMPFS = n
depends on !UML || HOSTFS = n
# The rare drivers that won't build
- depends on AIRO = n
- depends on AIRO_CS = n
- depends on TUN = n
depends on INFINIBAND_QIB = n
depends on BLK_DEV_LOOP = n
depends on ANDROID_BINDER_IPC = n
}
return nr;
}
+EXPORT_SYMBOL_GPL(pid_nr_ns);
pid_t pid_vnr(struct pid *pid)
{
#include <linux/slab.h>
#include <linux/proc_fs.h>
#include <linux/reboot.h>
+#include <linux/export.h>
#define BITS_PER_PAGE (PAGE_SIZE*8)
if (parent != NULL)
put_pid_ns(parent);
}
+EXPORT_SYMBOL_GPL(free_pid_ns);
void zap_pid_ns_processes(struct pid_namespace *pid_ns)
{
[NLA_U64] = sizeof(u64),
[NLA_MSECS] = sizeof(u64),
[NLA_NESTED] = NLA_HDRLEN,
+ [NLA_S8] = sizeof(s8),
+ [NLA_S16] = sizeof(s16),
+ [NLA_S32] = sizeof(s32),
+ [NLA_S64] = sizeof(s64),
};
static int validate_nla(const struct nlattr *nla, int maxtype,
vlan_vid_del(dev, vid_info->vid);
}
EXPORT_SYMBOL(vlan_vids_del_by_dev);
+
+bool vlan_uses_dev(const struct net_device *dev)
+{
+ return rtnl_dereference(dev->vlan_info) ? true : false;
+}
+EXPORT_SYMBOL(vlan_uses_dev);
ntohs(at->dest_net), at->dest_node, at->dest_port,
sk_wmem_alloc_get(s),
sk_rmem_alloc_get(s),
- s->sk_state, SOCK_INODE(s->sk_socket)->i_uid);
+ s->sk_state,
+ from_kuid_munged(seq_user_ns(seq), sock_i_uid(s)));
out:
return 0;
}
EXPORT_SYMBOL(ax25_uid_policy);
-ax25_uid_assoc *ax25_findbyuid(uid_t uid)
+ax25_uid_assoc *ax25_findbyuid(kuid_t uid)
{
ax25_uid_assoc *ax25_uid, *res = NULL;
struct hlist_node *node;
read_lock(&ax25_uid_lock);
ax25_uid_for_each(ax25_uid, node, &ax25_uid_list) {
- if (ax25_uid->uid == uid) {
+ if (uid_eq(ax25_uid->uid, uid)) {
ax25_uid_hold(ax25_uid);
res = ax25_uid;
break;
read_lock(&ax25_uid_lock);
ax25_uid_for_each(ax25_uid, node, &ax25_uid_list) {
if (ax25cmp(&sax->sax25_call, &ax25_uid->call) == 0) {
- res = ax25_uid->uid;
+ res = from_kuid_munged(current_user_ns(), ax25_uid->uid);
break;
}
}
return res;
case SIOCAX25ADDUID:
+ {
+ kuid_t sax25_kuid;
if (!capable(CAP_NET_ADMIN))
return -EPERM;
- user = ax25_findbyuid(sax->sax25_uid);
+ sax25_kuid = make_kuid(current_user_ns(), sax->sax25_uid);
+ if (!uid_valid(sax25_kuid))
+ return -EINVAL;
+ user = ax25_findbyuid(sax25_kuid);
if (user) {
ax25_uid_put(user);
return -EEXIST;
return -ENOMEM;
atomic_set(&ax25_uid->refcount, 1);
- ax25_uid->uid = sax->sax25_uid;
+ ax25_uid->uid = sax25_kuid;
ax25_uid->call = sax->sax25_call;
write_lock(&ax25_uid_lock);
write_unlock(&ax25_uid_lock);
return 0;
-
+ }
case SIOCAX25DELUID:
if (!capable(CAP_NET_ADMIN))
return -EPERM;
struct ax25_uid_assoc *pt;
pt = hlist_entry(v, struct ax25_uid_assoc, uid_node);
- seq_printf(seq, "%6d %s\n", pt->uid, ax2asc(buf, &pt->call));
+ seq_printf(seq, "%6d %s\n",
+ from_kuid_munged(seq_user_ns(seq), pt->uid),
+ ax2asc(buf, &pt->call));
}
return 0;
}
int16_t buff_pos;
struct batadv_ogm_packet *batadv_ogm_packet;
struct sk_buff *skb;
+ uint8_t *packet_pos;
if (hard_iface->if_status != BATADV_IF_ACTIVE)
return;
packet_num = 0;
buff_pos = 0;
- batadv_ogm_packet = (struct batadv_ogm_packet *)forw_packet->skb->data;
+ packet_pos = forw_packet->skb->data;
+ batadv_ogm_packet = (struct batadv_ogm_packet *)packet_pos;
/* adjust all flags and log packets */
while (batadv_iv_ogm_aggr_packet(buff_pos, forw_packet->packet_len,
/* we might have aggregated direct link packets with an
* ordinary base packet
*/
- if ((forw_packet->direct_link_flags & (1 << packet_num)) &&
- (forw_packet->if_incoming == hard_iface))
+ if (forw_packet->direct_link_flags & BIT(packet_num) &&
+ forw_packet->if_incoming == hard_iface)
batadv_ogm_packet->flags |= BATADV_DIRECTLINK;
else
batadv_ogm_packet->flags &= ~BATADV_DIRECTLINK;
- fwd_str = (packet_num > 0 ? "Forwarding" : (forw_packet->own ?
- "Sending own" :
- "Forwarding"));
+ if (packet_num > 0 || !forw_packet->own)
+ fwd_str = "Forwarding";
+ else
+ fwd_str = "Sending own";
+
batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"%s %spacket (originator %pM, seqno %u, TQ %d, TTL %d, IDF %s, ttvn %d) on interface %s [%pM]\n",
fwd_str, (packet_num > 0 ? "aggregated " : ""),
buff_pos += BATADV_OGM_HLEN;
buff_pos += batadv_tt_len(batadv_ogm_packet->tt_num_changes);
packet_num++;
- batadv_ogm_packet = (struct batadv_ogm_packet *)
- (forw_packet->skb->data + buff_pos);
+ packet_pos = forw_packet->skb->data + buff_pos;
+ batadv_ogm_packet = (struct batadv_ogm_packet *)packet_pos;
}
/* create clone because function is called more than once */
struct batadv_hard_iface *primary_if = NULL;
struct batadv_ogm_packet *batadv_ogm_packet;
unsigned char directlink;
+ uint8_t *packet_pos;
- batadv_ogm_packet = (struct batadv_ogm_packet *)
- (forw_packet->skb->data);
+ packet_pos = forw_packet->skb->data;
+ batadv_ogm_packet = (struct batadv_ogm_packet *)packet_pos;
directlink = (batadv_ogm_packet->flags & BATADV_DIRECTLINK ? 1 : 0);
if (!forw_packet->if_incoming) {
int packet_len, bool direct_link)
{
unsigned char *skb_buff;
+ unsigned long new_direct_link_flag;
skb_buff = skb_put(forw_packet_aggr->skb, packet_len);
memcpy(skb_buff, packet_buff, packet_len);
forw_packet_aggr->num_packets++;
/* save packet direct link flag status */
- if (direct_link)
- forw_packet_aggr->direct_link_flags |=
- (1 << forw_packet_aggr->num_packets);
+ if (direct_link) {
+ new_direct_link_flag = BIT(forw_packet_aggr->num_packets);
+ forw_packet_aggr->direct_link_flags |= new_direct_link_flag;
+ }
}
static void batadv_iv_ogm_queue_add(struct batadv_priv *bat_priv,
struct batadv_ogm_packet *batadv_ogm_packet;
struct batadv_hard_iface *primary_if;
int vis_server, tt_num_changes = 0;
+ uint32_t seqno;
+ uint8_t bandwidth;
vis_server = atomic_read(&bat_priv->vis_mode);
primary_if = batadv_primary_if_get_selected(bat_priv);
batadv_ogm_packet = (struct batadv_ogm_packet *)hard_iface->packet_buff;
/* change sequence number to network order */
- batadv_ogm_packet->seqno =
- htonl((uint32_t)atomic_read(&hard_iface->seqno));
+ seqno = (uint32_t)atomic_read(&hard_iface->seqno);
+ batadv_ogm_packet->seqno = htonl(seqno);
atomic_inc(&hard_iface->seqno);
- batadv_ogm_packet->ttvn = atomic_read(&bat_priv->ttvn);
- batadv_ogm_packet->tt_crc = htons(bat_priv->tt_crc);
+ batadv_ogm_packet->ttvn = atomic_read(&bat_priv->tt.vn);
+ batadv_ogm_packet->tt_crc = htons(bat_priv->tt.local_crc);
if (tt_num_changes >= 0)
batadv_ogm_packet->tt_num_changes = tt_num_changes;
else
batadv_ogm_packet->flags &= ~BATADV_VIS_SERVER;
- if ((hard_iface == primary_if) &&
- (atomic_read(&bat_priv->gw_mode) == BATADV_GW_MODE_SERVER))
- batadv_ogm_packet->gw_flags =
- (uint8_t)atomic_read(&bat_priv->gw_bandwidth);
- else
+ if (hard_iface == primary_if &&
+ atomic_read(&bat_priv->gw_mode) == BATADV_GW_MODE_SERVER) {
+ bandwidth = (uint8_t)atomic_read(&bat_priv->gw_bandwidth);
+ batadv_ogm_packet->gw_flags = bandwidth;
+ } else {
batadv_ogm_packet->gw_flags = BATADV_NO_FLAGS;
+ }
batadv_slide_own_bcast_window(hard_iface);
batadv_iv_ogm_queue_add(bat_priv, hard_iface->packet_buff,
struct batadv_neigh_node *router = NULL;
struct batadv_orig_node *orig_node_tmp;
struct hlist_node *node;
- uint8_t bcast_own_sum_orig, bcast_own_sum_neigh;
+ uint8_t sum_orig, sum_neigh;
uint8_t *neigh_addr;
+ uint8_t tq_avg;
batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"update_originator(): Searching and updating originator entry of received packet\n");
spin_lock_bh(&tmp_neigh_node->lq_update_lock);
batadv_ring_buffer_set(tmp_neigh_node->tq_recv,
&tmp_neigh_node->tq_index, 0);
- tmp_neigh_node->tq_avg =
- batadv_ring_buffer_avg(tmp_neigh_node->tq_recv);
+ tq_avg = batadv_ring_buffer_avg(tmp_neigh_node->tq_recv);
+ tmp_neigh_node->tq_avg = tq_avg;
spin_unlock_bh(&tmp_neigh_node->lq_update_lock);
}
if (router && (neigh_node->tq_avg == router->tq_avg)) {
orig_node_tmp = router->orig_node;
spin_lock_bh(&orig_node_tmp->ogm_cnt_lock);
- bcast_own_sum_orig =
- orig_node_tmp->bcast_own_sum[if_incoming->if_num];
+ sum_orig = orig_node_tmp->bcast_own_sum[if_incoming->if_num];
spin_unlock_bh(&orig_node_tmp->ogm_cnt_lock);
orig_node_tmp = neigh_node->orig_node;
spin_lock_bh(&orig_node_tmp->ogm_cnt_lock);
- bcast_own_sum_neigh =
- orig_node_tmp->bcast_own_sum[if_incoming->if_num];
+ sum_neigh = orig_node_tmp->bcast_own_sum[if_incoming->if_num];
spin_unlock_bh(&orig_node_tmp->ogm_cnt_lock);
- if (bcast_own_sum_orig >= bcast_own_sum_neigh)
+ if (sum_orig >= sum_neigh)
goto update_tt;
}
spin_unlock_bh(&orig_node->ogm_cnt_lock);
/* pay attention to not get a value bigger than 100 % */
- total_count = (orig_eq_count > neigh_rq_count ?
- neigh_rq_count : orig_eq_count);
+ if (orig_eq_count > neigh_rq_count)
+ total_count = neigh_rq_count;
+ else
+ total_count = orig_eq_count;
/* if we have too few packets (too less data) we set tq_own to zero
* if we receive too few packets it is not considered bidirectional
int set_mark, ret = -1;
uint32_t seqno = ntohl(batadv_ogm_packet->seqno);
uint8_t *neigh_addr;
+ uint8_t packet_count;
orig_node = batadv_get_orig_node(bat_priv, batadv_ogm_packet->orig);
if (!orig_node)
tmp_neigh_node->real_bits,
seq_diff, set_mark);
- tmp_neigh_node->real_packet_count =
- bitmap_weight(tmp_neigh_node->real_bits,
- BATADV_TQ_LOCAL_WINDOW_SIZE);
+ packet_count = bitmap_weight(tmp_neigh_node->real_bits,
+ BATADV_TQ_LOCAL_WINDOW_SIZE);
+ tmp_neigh_node->real_packet_count = packet_count;
}
rcu_read_unlock();
/* if sender is a direct neighbor the sender mac equals
* originator mac
*/
- orig_neigh_node = (is_single_hop_neigh ?
- orig_node :
- batadv_get_orig_node(bat_priv, ethhdr->h_source));
+ if (is_single_hop_neigh)
+ orig_neigh_node = orig_node;
+ else
+ orig_neigh_node = batadv_get_orig_node(bat_priv,
+ ethhdr->h_source);
+
if (!orig_neigh_node)
goto out;
int buff_pos = 0, packet_len;
unsigned char *tt_buff, *packet_buff;
bool ret;
+ uint8_t *packet_pos;
ret = batadv_check_management_packet(skb, if_incoming, BATADV_OGM_HLEN);
if (!ret)
buff_pos += BATADV_OGM_HLEN;
buff_pos += batadv_tt_len(batadv_ogm_packet->tt_num_changes);
- batadv_ogm_packet = (struct batadv_ogm_packet *)
- (packet_buff + buff_pos);
+ packet_pos = packet_buff + buff_pos;
+ batadv_ogm_packet = (struct batadv_ogm_packet *)packet_pos;
} while (batadv_iv_ogm_aggr_packet(buff_pos, packet_len,
batadv_ogm_packet->tt_num_changes));
static struct batadv_claim *batadv_claim_hash_find(struct batadv_priv *bat_priv,
struct batadv_claim *data)
{
- struct batadv_hashtable *hash = bat_priv->claim_hash;
+ struct batadv_hashtable *hash = bat_priv->bla.claim_hash;
struct hlist_head *head;
struct hlist_node *node;
struct batadv_claim *claim;
batadv_backbone_hash_find(struct batadv_priv *bat_priv,
uint8_t *addr, short vid)
{
- struct batadv_hashtable *hash = bat_priv->backbone_hash;
+ struct batadv_hashtable *hash = bat_priv->bla.backbone_hash;
struct hlist_head *head;
struct hlist_node *node;
struct batadv_backbone_gw search_entry, *backbone_gw;
int i;
spinlock_t *list_lock; /* protects write access to the hash lists */
- hash = backbone_gw->bat_priv->claim_hash;
+ hash = backbone_gw->bat_priv->bla.claim_hash;
if (!hash)
return;
if (!primary_if)
return;
- memcpy(&local_claim_dest, &bat_priv->claim_dest,
+ memcpy(&local_claim_dest, &bat_priv->bla.claim_dest,
sizeof(local_claim_dest));
local_claim_dest.type = claimtype;
NULL,
/* Ethernet SRC/HW SRC: originator mac */
primary_if->net_dev->dev_addr,
- /* HW DST: FF:43:05:XX:00:00
+ /* HW DST: FF:43:05:XX:YY:YY
* with XX = claim type
* and YY:YY = group id
*/
/* now we pretend that the client would have sent this ... */
switch (claimtype) {
- case BATADV_CLAIM_TYPE_ADD:
+ case BATADV_CLAIM_TYPE_CLAIM:
/* normal claim frame
* set Ethernet SRC to the clients mac
*/
batadv_dbg(BATADV_DBG_BLA, bat_priv,
"bla_send_claim(): CLAIM %pM on vid %d\n", mac, vid);
break;
- case BATADV_CLAIM_TYPE_DEL:
+ case BATADV_CLAIM_TYPE_UNCLAIM:
/* unclaim frame
* set HW SRC to the clients mac
*/
break;
case BATADV_CLAIM_TYPE_REQUEST:
/* request frame
- * set HW SRC to the special mac containg the crc
+ * set HW SRC and header destination to the receiving backbone
+ * gws mac
*/
memcpy(hw_src, mac, ETH_ALEN);
memcpy(ethhdr->h_dest, mac, ETH_ALEN);
skb_reset_mac_header(skb);
skb->protocol = eth_type_trans(skb, soft_iface);
- bat_priv->stats.rx_packets++;
- bat_priv->stats.rx_bytes += skb->len + ETH_HLEN;
+ batadv_inc_counter(bat_priv, BATADV_CNT_RX);
+ batadv_add_counter(bat_priv, BATADV_CNT_RX_BYTES,
+ skb->len + ETH_HLEN);
soft_iface->last_rx = jiffies;
netif_rx(skb);
/* one for the hash, one for returning */
atomic_set(&entry->refcount, 2);
- hash_added = batadv_hash_add(bat_priv->backbone_hash,
+ hash_added = batadv_hash_add(bat_priv->bla.backbone_hash,
batadv_compare_backbone_gw,
batadv_choose_backbone_gw, entry,
&entry->hash_entry);
if (!backbone_gw)
return;
- hash = bat_priv->claim_hash;
+ hash = bat_priv->bla.claim_hash;
for (i = 0; i < hash->size; i++) {
head = &hash->table[i];
continue;
batadv_bla_send_claim(bat_priv, claim->addr, claim->vid,
- BATADV_CLAIM_TYPE_ADD);
+ BATADV_CLAIM_TYPE_CLAIM);
}
rcu_read_unlock();
}
/* no local broadcasts should be sent or received, for now. */
if (!atomic_read(&backbone_gw->request_sent)) {
- atomic_inc(&backbone_gw->bat_priv->bla_num_requests);
+ atomic_inc(&backbone_gw->bat_priv->bla.num_requests);
atomic_set(&backbone_gw->request_sent, 1);
}
}
batadv_dbg(BATADV_DBG_BLA, bat_priv,
"bla_add_claim(): adding new entry %pM, vid %d to hash ...\n",
mac, vid);
- hash_added = batadv_hash_add(bat_priv->claim_hash,
+ hash_added = batadv_hash_add(bat_priv->bla.claim_hash,
batadv_compare_claim,
batadv_choose_claim, claim,
&claim->hash_entry);
"bla_add_claim(): changing ownership for %pM, vid %d\n",
mac, vid);
- claim->backbone_gw->crc ^=
- crc16(0, claim->addr, ETH_ALEN);
+ claim->backbone_gw->crc ^= crc16(0, claim->addr, ETH_ALEN);
batadv_backbone_gw_free_ref(claim->backbone_gw);
}
batadv_dbg(BATADV_DBG_BLA, bat_priv, "bla_del_claim(): %pM, vid %d\n",
mac, vid);
- batadv_hash_remove(bat_priv->claim_hash, batadv_compare_claim,
+ batadv_hash_remove(bat_priv->bla.claim_hash, batadv_compare_claim,
batadv_choose_claim, claim);
batadv_claim_free_ref(claim); /* reference from the hash is gone */
* we can allow traffic again.
*/
if (atomic_read(&backbone_gw->request_sent)) {
- atomic_dec(&backbone_gw->bat_priv->bla_num_requests);
+ atomic_dec(&backbone_gw->bat_priv->bla.num_requests);
atomic_set(&backbone_gw->request_sent, 0);
}
}
if (primary_if && batadv_compare_eth(backbone_addr,
primary_if->net_dev->dev_addr))
batadv_bla_send_claim(bat_priv, claim_addr, vid,
- BATADV_CLAIM_TYPE_DEL);
+ BATADV_CLAIM_TYPE_UNCLAIM);
backbone_gw = batadv_backbone_hash_find(bat_priv, backbone_addr, vid);
batadv_bla_add_claim(bat_priv, claim_addr, vid, backbone_gw);
if (batadv_compare_eth(backbone_addr, primary_if->net_dev->dev_addr))
batadv_bla_send_claim(bat_priv, claim_addr, vid,
- BATADV_CLAIM_TYPE_ADD);
+ BATADV_CLAIM_TYPE_CLAIM);
/* TODO: we could call something like tt_local_del() here. */
struct batadv_bla_claim_dst *bla_dst, *bla_dst_own;
bla_dst = (struct batadv_bla_claim_dst *)hw_dst;
- bla_dst_own = &bat_priv->claim_dest;
+ bla_dst_own = &bat_priv->bla.claim_dest;
/* check if it is a claim packet in general */
if (memcmp(bla_dst->magic, bla_dst_own->magic,
* otherwise assume it is in the hw_src
*/
switch (bla_dst->type) {
- case BATADV_CLAIM_TYPE_ADD:
+ case BATADV_CLAIM_TYPE_CLAIM:
backbone_addr = hw_src;
break;
case BATADV_CLAIM_TYPE_REQUEST:
case BATADV_CLAIM_TYPE_ANNOUNCE:
- case BATADV_CLAIM_TYPE_DEL:
+ case BATADV_CLAIM_TYPE_UNCLAIM:
backbone_addr = ethhdr->h_source;
break;
default:
/* check for the different types of claim frames ... */
switch (bla_dst->type) {
- case BATADV_CLAIM_TYPE_ADD:
+ case BATADV_CLAIM_TYPE_CLAIM:
if (batadv_handle_claim(bat_priv, primary_if, hw_src,
ethhdr->h_source, vid))
return 1;
break;
- case BATADV_CLAIM_TYPE_DEL:
+ case BATADV_CLAIM_TYPE_UNCLAIM:
if (batadv_handle_unclaim(bat_priv, primary_if,
ethhdr->h_source, hw_src, vid))
return 1;
spinlock_t *list_lock; /* protects write access to the hash lists */
int i;
- hash = bat_priv->backbone_hash;
+ hash = bat_priv->bla.backbone_hash;
if (!hash)
return;
purge_now:
/* don't wait for the pending request anymore */
if (atomic_read(&backbone_gw->request_sent))
- atomic_dec(&bat_priv->bla_num_requests);
+ atomic_dec(&bat_priv->bla.num_requests);
batadv_bla_del_backbone_claims(backbone_gw);
struct batadv_hashtable *hash;
int i;
- hash = bat_priv->claim_hash;
+ hash = bat_priv->bla.claim_hash;
if (!hash)
return;
struct hlist_node *node;
struct hlist_head *head;
struct batadv_hashtable *hash;
+ __be16 group;
int i;
/* reset bridge loop avoidance group id */
- bat_priv->claim_dest.group =
- htons(crc16(0, primary_if->net_dev->dev_addr, ETH_ALEN));
+ group = htons(crc16(0, primary_if->net_dev->dev_addr, ETH_ALEN));
+ bat_priv->bla.claim_dest.group = group;
if (!oldif) {
batadv_bla_purge_claims(bat_priv, NULL, 1);
return;
}
- hash = bat_priv->backbone_hash;
+ hash = bat_priv->bla.backbone_hash;
if (!hash)
return;
/* (re)start the timer */
static void batadv_bla_start_timer(struct batadv_priv *bat_priv)
{
- INIT_DELAYED_WORK(&bat_priv->bla_work, batadv_bla_periodic_work);
- queue_delayed_work(batadv_event_workqueue, &bat_priv->bla_work,
+ INIT_DELAYED_WORK(&bat_priv->bla.work, batadv_bla_periodic_work);
+ queue_delayed_work(batadv_event_workqueue, &bat_priv->bla.work,
msecs_to_jiffies(BATADV_BLA_PERIOD_LENGTH));
}
*/
static void batadv_bla_periodic_work(struct work_struct *work)
{
- struct delayed_work *delayed_work =
- container_of(work, struct delayed_work, work);
+ struct delayed_work *delayed_work;
struct batadv_priv *bat_priv;
+ struct batadv_priv_bla *priv_bla;
struct hlist_node *node;
struct hlist_head *head;
struct batadv_backbone_gw *backbone_gw;
struct batadv_hard_iface *primary_if;
int i;
- bat_priv = container_of(delayed_work, struct batadv_priv, bla_work);
+ delayed_work = container_of(work, struct delayed_work, work);
+ priv_bla = container_of(delayed_work, struct batadv_priv_bla, work);
+ bat_priv = container_of(priv_bla, struct batadv_priv, bla);
primary_if = batadv_primary_if_get_selected(bat_priv);
if (!primary_if)
goto out;
if (!atomic_read(&bat_priv->bridge_loop_avoidance))
goto out;
- hash = bat_priv->backbone_hash;
+ hash = bat_priv->bla.backbone_hash;
if (!hash)
goto out;
int i;
uint8_t claim_dest[ETH_ALEN] = {0xff, 0x43, 0x05, 0x00, 0x00, 0x00};
struct batadv_hard_iface *primary_if;
+ uint16_t crc;
+ unsigned long entrytime;
batadv_dbg(BATADV_DBG_BLA, bat_priv, "bla hash registering\n");
/* setting claim destination address */
- memcpy(&bat_priv->claim_dest.magic, claim_dest, 3);
- bat_priv->claim_dest.type = 0;
+ memcpy(&bat_priv->bla.claim_dest.magic, claim_dest, 3);
+ bat_priv->bla.claim_dest.type = 0;
primary_if = batadv_primary_if_get_selected(bat_priv);
if (primary_if) {
- bat_priv->claim_dest.group =
- htons(crc16(0, primary_if->net_dev->dev_addr,
- ETH_ALEN));
+ crc = crc16(0, primary_if->net_dev->dev_addr, ETH_ALEN);
+ bat_priv->bla.claim_dest.group = htons(crc);
batadv_hardif_free_ref(primary_if);
} else {
- bat_priv->claim_dest.group = 0; /* will be set later */
+ bat_priv->bla.claim_dest.group = 0; /* will be set later */
}
/* initialize the duplicate list */
+ entrytime = jiffies - msecs_to_jiffies(BATADV_DUPLIST_TIMEOUT);
for (i = 0; i < BATADV_DUPLIST_SIZE; i++)
- bat_priv->bcast_duplist[i].entrytime =
- jiffies - msecs_to_jiffies(BATADV_DUPLIST_TIMEOUT);
- bat_priv->bcast_duplist_curr = 0;
+ bat_priv->bla.bcast_duplist[i].entrytime = entrytime;
+ bat_priv->bla.bcast_duplist_curr = 0;
- if (bat_priv->claim_hash)
+ if (bat_priv->bla.claim_hash)
return 0;
- bat_priv->claim_hash = batadv_hash_new(128);
- bat_priv->backbone_hash = batadv_hash_new(32);
+ bat_priv->bla.claim_hash = batadv_hash_new(128);
+ bat_priv->bla.backbone_hash = batadv_hash_new(32);
- if (!bat_priv->claim_hash || !bat_priv->backbone_hash)
+ if (!bat_priv->bla.claim_hash || !bat_priv->bla.backbone_hash)
return -ENOMEM;
- batadv_hash_set_lock_class(bat_priv->claim_hash,
+ batadv_hash_set_lock_class(bat_priv->bla.claim_hash,
&batadv_claim_hash_lock_class_key);
- batadv_hash_set_lock_class(bat_priv->backbone_hash,
+ batadv_hash_set_lock_class(bat_priv->bla.backbone_hash,
&batadv_backbone_hash_lock_class_key);
batadv_dbg(BATADV_DBG_BLA, bat_priv, "bla hashes initialized\n");
crc = crc16(0, content, length);
for (i = 0; i < BATADV_DUPLIST_SIZE; i++) {
- curr = (bat_priv->bcast_duplist_curr + i) % BATADV_DUPLIST_SIZE;
- entry = &bat_priv->bcast_duplist[curr];
+ curr = (bat_priv->bla.bcast_duplist_curr + i);
+ curr %= BATADV_DUPLIST_SIZE;
+ entry = &bat_priv->bla.bcast_duplist[curr];
/* we can stop searching if the entry is too old ;
* later entries will be even older
return 1;
}
/* not found, add a new entry (overwrite the oldest entry) */
- curr = (bat_priv->bcast_duplist_curr + BATADV_DUPLIST_SIZE - 1);
+ curr = (bat_priv->bla.bcast_duplist_curr + BATADV_DUPLIST_SIZE - 1);
curr %= BATADV_DUPLIST_SIZE;
- entry = &bat_priv->bcast_duplist[curr];
+ entry = &bat_priv->bla.bcast_duplist[curr];
entry->crc = crc;
entry->entrytime = jiffies;
memcpy(entry->orig, bcast_packet->orig, ETH_ALEN);
- bat_priv->bcast_duplist_curr = curr;
+ bat_priv->bla.bcast_duplist_curr = curr;
/* allow it, its the first occurence. */
return 0;
*/
int batadv_bla_is_backbone_gw_orig(struct batadv_priv *bat_priv, uint8_t *orig)
{
- struct batadv_hashtable *hash = bat_priv->backbone_hash;
+ struct batadv_hashtable *hash = bat_priv->bla.backbone_hash;
struct hlist_head *head;
struct hlist_node *node;
struct batadv_backbone_gw *backbone_gw;
if (!pskb_may_pull(skb, hdr_size + sizeof(struct vlan_ethhdr)))
return 0;
- vhdr = (struct vlan_ethhdr *)(((uint8_t *)skb->data) +
- hdr_size);
+ vhdr = (struct vlan_ethhdr *)(skb->data + hdr_size);
vid = ntohs(vhdr->h_vlan_TCI) & VLAN_VID_MASK;
}
{
struct batadv_hard_iface *primary_if;
- cancel_delayed_work_sync(&bat_priv->bla_work);
+ cancel_delayed_work_sync(&bat_priv->bla.work);
primary_if = batadv_primary_if_get_selected(bat_priv);
- if (bat_priv->claim_hash) {
+ if (bat_priv->bla.claim_hash) {
batadv_bla_purge_claims(bat_priv, primary_if, 1);
- batadv_hash_destroy(bat_priv->claim_hash);
- bat_priv->claim_hash = NULL;
+ batadv_hash_destroy(bat_priv->bla.claim_hash);
+ bat_priv->bla.claim_hash = NULL;
}
- if (bat_priv->backbone_hash) {
+ if (bat_priv->bla.backbone_hash) {
batadv_bla_purge_backbone_gw(bat_priv, 1);
- batadv_hash_destroy(bat_priv->backbone_hash);
- bat_priv->backbone_hash = NULL;
+ batadv_hash_destroy(bat_priv->bla.backbone_hash);
+ bat_priv->bla.backbone_hash = NULL;
}
if (primary_if)
batadv_hardif_free_ref(primary_if);
goto allow;
- if (unlikely(atomic_read(&bat_priv->bla_num_requests)))
+ if (unlikely(atomic_read(&bat_priv->bla.num_requests)))
/* don't allow broadcasts while requests are in flight */
if (is_multicast_ether_addr(ethhdr->h_dest) && is_bcast)
goto handled;
ethhdr = (struct ethhdr *)skb_mac_header(skb);
- if (unlikely(atomic_read(&bat_priv->bla_num_requests)))
+ if (unlikely(atomic_read(&bat_priv->bla.num_requests)))
/* don't allow broadcasts while requests are in flight */
if (is_multicast_ether_addr(ethhdr->h_dest))
goto handled;
{
struct net_device *net_dev = (struct net_device *)seq->private;
struct batadv_priv *bat_priv = netdev_priv(net_dev);
- struct batadv_hashtable *hash = bat_priv->claim_hash;
+ struct batadv_hashtable *hash = bat_priv->bla.claim_hash;
struct batadv_claim *claim;
struct batadv_hard_iface *primary_if;
struct hlist_node *node;
seq_printf(seq,
"Claims announced for the mesh %s (orig %pM, group id %04x)\n",
net_dev->name, primary_addr,
- ntohs(bat_priv->claim_dest.group));
+ ntohs(bat_priv->bla.claim_dest.group));
seq_printf(seq, " %-17s %-5s %-17s [o] (%-4s)\n",
"Client", "VID", "Originator", "CRC");
for (i = 0; i < hash->size; i++) {
batadv_hardif_free_ref(primary_if);
return ret;
}
+
+int batadv_bla_backbone_table_seq_print_text(struct seq_file *seq, void *offset)
+{
+ struct net_device *net_dev = (struct net_device *)seq->private;
+ struct batadv_priv *bat_priv = netdev_priv(net_dev);
+ struct batadv_hashtable *hash = bat_priv->bla.backbone_hash;
+ struct batadv_backbone_gw *backbone_gw;
+ struct batadv_hard_iface *primary_if;
+ struct hlist_node *node;
+ struct hlist_head *head;
+ int secs, msecs;
+ uint32_t i;
+ bool is_own;
+ int ret = 0;
+ uint8_t *primary_addr;
+
+ primary_if = batadv_primary_if_get_selected(bat_priv);
+ if (!primary_if) {
+ ret = seq_printf(seq,
+ "BATMAN mesh %s disabled - please specify interfaces to enable it\n",
+ net_dev->name);
+ goto out;
+ }
+
+ if (primary_if->if_status != BATADV_IF_ACTIVE) {
+ ret = seq_printf(seq,
+ "BATMAN mesh %s disabled - primary interface not active\n",
+ net_dev->name);
+ goto out;
+ }
+
+ primary_addr = primary_if->net_dev->dev_addr;
+ seq_printf(seq,
+ "Backbones announced for the mesh %s (orig %pM, group id %04x)\n",
+ net_dev->name, primary_addr,
+ ntohs(bat_priv->bla.claim_dest.group));
+ seq_printf(seq, " %-17s %-5s %-9s (%-4s)\n",
+ "Originator", "VID", "last seen", "CRC");
+ for (i = 0; i < hash->size; i++) {
+ head = &hash->table[i];
+
+ rcu_read_lock();
+ hlist_for_each_entry_rcu(backbone_gw, node, head, hash_entry) {
+ msecs = jiffies_to_msecs(jiffies -
+ backbone_gw->lasttime);
+ secs = msecs / 1000;
+ msecs = msecs % 1000;
+
+ is_own = batadv_compare_eth(backbone_gw->orig,
+ primary_addr);
+ if (is_own)
+ continue;
+
+ seq_printf(seq,
+ " * %pM on % 5d % 4i.%03is (%04x)\n",
+ backbone_gw->orig, backbone_gw->vid,
+ secs, msecs, backbone_gw->crc);
+ }
+ rcu_read_unlock();
+ }
+out:
+ if (primary_if)
+ batadv_hardif_free_ref(primary_if);
+ return ret;
+}
int batadv_bla_is_backbone_gw(struct sk_buff *skb,
struct batadv_orig_node *orig_node, int hdr_size);
int batadv_bla_claim_table_seq_print_text(struct seq_file *seq, void *offset);
+int batadv_bla_backbone_table_seq_print_text(struct seq_file *seq,
+ void *offset);
int batadv_bla_is_backbone_gw_orig(struct batadv_priv *bat_priv, uint8_t *orig);
int batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv,
struct batadv_bcast_packet *bcast_packet,
#else /* ifdef CONFIG_BATMAN_ADV_BLA */
static inline int batadv_bla_rx(struct batadv_priv *bat_priv,
- struct sk_buff *skb, short vid,
- bool is_bcast)
+ struct sk_buff *skb, short vid, bool is_bcast)
{
return 0;
}
return 0;
}
+static inline int batadv_bla_backbone_table_seq_print_text(struct seq_file *seq,
+ void *offset)
+{
+ return 0;
+}
+
static inline int batadv_bla_is_backbone_gw_orig(struct batadv_priv *bat_priv,
uint8_t *orig)
{
return single_open(file, batadv_bla_claim_table_seq_print_text,
net_dev);
}
+
+static int batadv_bla_backbone_table_open(struct inode *inode,
+ struct file *file)
+{
+ struct net_device *net_dev = (struct net_device *)inode->i_private;
+ return single_open(file, batadv_bla_backbone_table_seq_print_text,
+ net_dev);
+}
+
#endif
static int batadv_transtable_local_open(struct inode *inode, struct file *file)
batadv_transtable_global_open);
#ifdef CONFIG_BATMAN_ADV_BLA
static BATADV_DEBUGINFO(bla_claim_table, S_IRUGO, batadv_bla_claim_table_open);
+static BATADV_DEBUGINFO(bla_backbone_table, S_IRUGO,
+ batadv_bla_backbone_table_open);
#endif
static BATADV_DEBUGINFO(transtable_local, S_IRUGO,
batadv_transtable_local_open);
&batadv_debuginfo_transtable_global,
#ifdef CONFIG_BATMAN_ADV_BLA
&batadv_debuginfo_bla_claim_table,
+ &batadv_debuginfo_bla_backbone_table,
#endif
&batadv_debuginfo_transtable_local,
&batadv_debuginfo_vis_data,
struct batadv_gw_node *gw_node;
rcu_read_lock();
- gw_node = rcu_dereference(bat_priv->curr_gw);
+ gw_node = rcu_dereference(bat_priv->gw.curr_gw);
if (!gw_node)
goto out;
{
struct batadv_gw_node *curr_gw_node;
- spin_lock_bh(&bat_priv->gw_list_lock);
+ spin_lock_bh(&bat_priv->gw.list_lock);
if (new_gw_node && !atomic_inc_not_zero(&new_gw_node->refcount))
new_gw_node = NULL;
- curr_gw_node = rcu_dereference_protected(bat_priv->curr_gw, 1);
- rcu_assign_pointer(bat_priv->curr_gw, new_gw_node);
+ curr_gw_node = rcu_dereference_protected(bat_priv->gw.curr_gw, 1);
+ rcu_assign_pointer(bat_priv->gw.curr_gw, new_gw_node);
if (curr_gw_node)
batadv_gw_node_free_ref(curr_gw_node);
- spin_unlock_bh(&bat_priv->gw_list_lock);
+ spin_unlock_bh(&bat_priv->gw.list_lock);
}
void batadv_gw_deselect(struct batadv_priv *bat_priv)
{
- atomic_set(&bat_priv->gw_reselect, 1);
+ atomic_set(&bat_priv->gw.reselect, 1);
}
static struct batadv_gw_node *
struct hlist_node *node;
struct batadv_gw_node *gw_node, *curr_gw = NULL;
uint32_t max_gw_factor = 0, tmp_gw_factor = 0;
+ uint32_t gw_divisor;
uint8_t max_tq = 0;
int down, up;
+ uint8_t tq_avg;
struct batadv_orig_node *orig_node;
+ gw_divisor = BATADV_TQ_LOCAL_WINDOW_SIZE * BATADV_TQ_LOCAL_WINDOW_SIZE;
+ gw_divisor *= 64;
+
rcu_read_lock();
- hlist_for_each_entry_rcu(gw_node, node, &bat_priv->gw_list, list) {
+ hlist_for_each_entry_rcu(gw_node, node, &bat_priv->gw.list, list) {
if (gw_node->deleted)
continue;
if (!atomic_inc_not_zero(&gw_node->refcount))
goto next;
+ tq_avg = router->tq_avg;
+
switch (atomic_read(&bat_priv->gw_sel_class)) {
case 1: /* fast connection */
batadv_gw_bandwidth_to_kbit(orig_node->gw_flags,
&down, &up);
- tmp_gw_factor = (router->tq_avg * router->tq_avg *
- down * 100 * 100) /
- (BATADV_TQ_LOCAL_WINDOW_SIZE *
- BATADV_TQ_LOCAL_WINDOW_SIZE * 64);
+ tmp_gw_factor = tq_avg * tq_avg * down * 100 * 100;
+ tmp_gw_factor /= gw_divisor;
if ((tmp_gw_factor > max_gw_factor) ||
((tmp_gw_factor == max_gw_factor) &&
- (router->tq_avg > max_tq))) {
+ (tq_avg > max_tq))) {
if (curr_gw)
batadv_gw_node_free_ref(curr_gw);
curr_gw = gw_node;
* soon as a better gateway appears which has
* $routing_class more tq points)
*/
- if (router->tq_avg > max_tq) {
+ if (tq_avg > max_tq) {
if (curr_gw)
batadv_gw_node_free_ref(curr_gw);
curr_gw = gw_node;
break;
}
- if (router->tq_avg > max_tq)
- max_tq = router->tq_avg;
+ if (tq_avg > max_tq)
+ max_tq = tq_avg;
if (tmp_gw_factor > max_gw_factor)
max_gw_factor = tmp_gw_factor;
curr_gw = batadv_gw_get_selected_gw_node(bat_priv);
- if (!batadv_atomic_dec_not_zero(&bat_priv->gw_reselect) && curr_gw)
+ if (!batadv_atomic_dec_not_zero(&bat_priv->gw.reselect) && curr_gw)
goto out;
next_gw = batadv_gw_get_best_gw_node(bat_priv);
gw_node->orig_node = orig_node;
atomic_set(&gw_node->refcount, 1);
- spin_lock_bh(&bat_priv->gw_list_lock);
- hlist_add_head_rcu(&gw_node->list, &bat_priv->gw_list);
- spin_unlock_bh(&bat_priv->gw_list_lock);
+ spin_lock_bh(&bat_priv->gw.list_lock);
+ hlist_add_head_rcu(&gw_node->list, &bat_priv->gw.list);
+ spin_unlock_bh(&bat_priv->gw.list_lock);
batadv_gw_bandwidth_to_kbit(new_gwflags, &down, &up);
batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
curr_gw = batadv_gw_get_selected_gw_node(bat_priv);
rcu_read_lock();
- hlist_for_each_entry_rcu(gw_node, node, &bat_priv->gw_list, list) {
+ hlist_for_each_entry_rcu(gw_node, node, &bat_priv->gw.list, list) {
if (gw_node->orig_node != orig_node)
continue;
curr_gw = batadv_gw_get_selected_gw_node(bat_priv);
- spin_lock_bh(&bat_priv->gw_list_lock);
+ spin_lock_bh(&bat_priv->gw.list_lock);
hlist_for_each_entry_safe(gw_node, node, node_tmp,
- &bat_priv->gw_list, list) {
+ &bat_priv->gw.list, list) {
if (((!gw_node->deleted) ||
(time_before(jiffies, gw_node->deleted + timeout))) &&
atomic_read(&bat_priv->mesh_state) == BATADV_MESH_ACTIVE)
batadv_gw_node_free_ref(gw_node);
}
- spin_unlock_bh(&bat_priv->gw_list_lock);
+ spin_unlock_bh(&bat_priv->gw.list_lock);
/* gw_deselect() needs to acquire the gw_list_lock */
if (do_deselect)
primary_if->net_dev->dev_addr, net_dev->name);
rcu_read_lock();
- hlist_for_each_entry_rcu(gw_node, node, &bat_priv->gw_list, list) {
+ hlist_for_each_entry_rcu(gw_node, node, &bat_priv->gw.list, list) {
if (gw_node->deleted)
continue;
{
struct batadv_vis_packet *vis_packet;
struct batadv_hard_iface *primary_if;
+ struct sk_buff *skb;
primary_if = batadv_primary_if_get_selected(bat_priv);
if (!primary_if)
goto out;
- vis_packet = (struct batadv_vis_packet *)
- bat_priv->my_vis_info->skb_packet->data;
+ skb = bat_priv->vis.my_info->skb_packet;
+ vis_packet = (struct batadv_vis_packet *)skb->data;
memcpy(vis_packet->vis_orig, primary_if->net_dev->dev_addr, ETH_ALEN);
memcpy(vis_packet->sender_orig,
primary_if->net_dev->dev_addr, ETH_ALEN);
hard_iface->if_num = bat_priv->num_ifaces;
bat_priv->num_ifaces++;
hard_iface->if_status = BATADV_IF_INACTIVE;
- batadv_orig_hash_add_if(hard_iface, bat_priv->num_ifaces);
+ ret = batadv_orig_hash_add_if(hard_iface, bat_priv->num_ifaces);
+ if (ret < 0) {
+ bat_priv->bat_algo_ops->bat_iface_disable(hard_iface);
+ bat_priv->num_ifaces--;
+ hard_iface->if_status = BATADV_IF_NOT_IN_USE;
+ goto err_dev;
+ }
hard_iface->batman_adv_ptype.type = ethertype;
hard_iface->batman_adv_ptype.func = batadv_batman_skb_recv;
batadv_iv_init();
- /* the name should not be longer than 10 chars - see
- * http://lwn.net/Articles/23634/
- */
batadv_event_workqueue = create_singlethread_workqueue("bat_events");
if (!batadv_event_workqueue)
spin_lock_init(&bat_priv->forw_bat_list_lock);
spin_lock_init(&bat_priv->forw_bcast_list_lock);
- spin_lock_init(&bat_priv->tt_changes_list_lock);
- spin_lock_init(&bat_priv->tt_req_list_lock);
- spin_lock_init(&bat_priv->tt_roam_list_lock);
- spin_lock_init(&bat_priv->tt_buff_lock);
- spin_lock_init(&bat_priv->gw_list_lock);
- spin_lock_init(&bat_priv->vis_hash_lock);
- spin_lock_init(&bat_priv->vis_list_lock);
+ spin_lock_init(&bat_priv->tt.changes_list_lock);
+ spin_lock_init(&bat_priv->tt.req_list_lock);
+ spin_lock_init(&bat_priv->tt.roam_list_lock);
+ spin_lock_init(&bat_priv->tt.last_changeset_lock);
+ spin_lock_init(&bat_priv->gw.list_lock);
+ spin_lock_init(&bat_priv->vis.hash_lock);
+ spin_lock_init(&bat_priv->vis.list_lock);
INIT_HLIST_HEAD(&bat_priv->forw_bat_list);
INIT_HLIST_HEAD(&bat_priv->forw_bcast_list);
- INIT_HLIST_HEAD(&bat_priv->gw_list);
- INIT_LIST_HEAD(&bat_priv->tt_changes_list);
- INIT_LIST_HEAD(&bat_priv->tt_req_list);
- INIT_LIST_HEAD(&bat_priv->tt_roam_list);
+ INIT_HLIST_HEAD(&bat_priv->gw.list);
+ INIT_LIST_HEAD(&bat_priv->tt.changes_list);
+ INIT_LIST_HEAD(&bat_priv->tt.req_list);
+ INIT_LIST_HEAD(&bat_priv->tt.roam_list);
ret = batadv_originator_init(bat_priv);
if (ret < 0)
if (ret < 0)
goto err;
- atomic_set(&bat_priv->gw_reselect, 0);
+ atomic_set(&bat_priv->gw.reselect, 0);
atomic_set(&bat_priv->mesh_state, BATADV_MESH_ACTIVE);
return 0;
#define BATADV_DRIVER_DEVICE "batman-adv"
#ifndef BATADV_SOURCE_VERSION
-#define BATADV_SOURCE_VERSION "2012.3.0"
+#define BATADV_SOURCE_VERSION "2012.4.0"
#endif
/* B.A.T.M.A.N. parameters */
* -> TODO: check influence on BATADV_TQ_LOCAL_WINDOW_SIZE
*/
#define BATADV_PURGE_TIMEOUT 200000 /* 200 seconds */
-#define BATADV_TT_LOCAL_TIMEOUT 3600000 /* in miliseconds */
-#define BATADV_TT_CLIENT_ROAM_TIMEOUT 600000 /* in miliseconds */
+#define BATADV_TT_LOCAL_TIMEOUT 3600000 /* in milliseconds */
+#define BATADV_TT_CLIENT_ROAM_TIMEOUT 600000 /* in milliseconds */
+#define BATADV_TT_CLIENT_TEMP_TIMEOUT 600000 /* in milliseconds */
/* sliding packet range of received originator messages in sequence numbers
* (should be a multiple of our word size)
*/
#define BATADV_TQ_LOCAL_WINDOW_SIZE 64
-/* miliseconds we have to keep pending tt_req */
+/* milliseconds we have to keep pending tt_req */
#define BATADV_TT_REQUEST_TIMEOUT 3000
#define BATADV_TQ_GLOBAL_WINDOW_SIZE 5
#define BATADV_TT_OGM_APPEND_MAX 3
/* Time in which a client can roam at most ROAMING_MAX_COUNT times in
- * miliseconds
+ * milliseconds
*/
#define BATADV_ROAMING_MAX_TIME 20000
#define BATADV_ROAMING_MAX_COUNT 5
/* Append 'batman-adv: ' before kernel messages */
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-/* all messages related to routing / flooding / broadcasting / etc */
-enum batadv_dbg_level {
- BATADV_DBG_BATMAN = 1 << 0,
- BATADV_DBG_ROUTES = 1 << 1, /* route added / changed / deleted */
- BATADV_DBG_TT = 1 << 2, /* translation table operations */
- BATADV_DBG_BLA = 1 << 3, /* bridge loop avoidance */
- BATADV_DBG_ALL = 15,
-};
-
/* Kernel headers */
#include <linux/mutex.h> /* mutex */
int batadv_algo_select(struct batadv_priv *bat_priv, char *name);
int batadv_algo_seq_print_text(struct seq_file *seq, void *offset);
+/* all messages related to routing / flooding / broadcasting / etc */
+enum batadv_dbg_level {
+ BATADV_DBG_BATMAN = BIT(0),
+ BATADV_DBG_ROUTES = BIT(1), /* route added / changed / deleted */
+ BATADV_DBG_TT = BIT(2), /* translation table operations */
+ BATADV_DBG_BLA = BIT(3), /* bridge loop avoidance */
+ BATADV_DBG_ALL = 15,
+};
+
#ifdef CONFIG_BATMAN_ADV_DEBUG
int batadv_debug_log(struct batadv_priv *bat_priv, const char *fmt, ...)
__printf(2, 3);
#define BATADV_COMPAT_VERSION 14
enum batadv_iv_flags {
- BATADV_NOT_BEST_NEXT_HOP = 1 << 3,
- BATADV_PRIMARIES_FIRST_HOP = 1 << 4,
- BATADV_VIS_SERVER = 1 << 5,
- BATADV_DIRECTLINK = 1 << 6,
+ BATADV_NOT_BEST_NEXT_HOP = BIT(3),
+ BATADV_PRIMARIES_FIRST_HOP = BIT(4),
+ BATADV_VIS_SERVER = BIT(5),
+ BATADV_DIRECTLINK = BIT(6),
};
/* ICMP message types */
/* fragmentation defines */
enum batadv_unicast_frag_flags {
- BATADV_UNI_FRAG_HEAD = 1 << 0,
- BATADV_UNI_FRAG_LARGETAIL = 1 << 1,
+ BATADV_UNI_FRAG_HEAD = BIT(0),
+ BATADV_UNI_FRAG_LARGETAIL = BIT(1),
};
/* TT_QUERY subtypes */
/* TT_QUERY flags */
enum batadv_tt_query_flags {
- BATADV_TT_FULL_TABLE = 1 << 2,
+ BATADV_TT_FULL_TABLE = BIT(2),
};
/* BATADV_TT_CLIENT flags.
- * Flags from 1 to 1 << 7 are sent on the wire, while flags from 1 << 8 to
- * 1 << 15 are used for local computation only
+ * Flags from BIT(0) to BIT(7) are sent on the wire, while flags from BIT(8) to
+ * BIT(15) are used for local computation only
*/
enum batadv_tt_client_flags {
- BATADV_TT_CLIENT_DEL = 1 << 0,
- BATADV_TT_CLIENT_ROAM = 1 << 1,
- BATADV_TT_CLIENT_WIFI = 1 << 2,
- BATADV_TT_CLIENT_NOPURGE = 1 << 8,
- BATADV_TT_CLIENT_NEW = 1 << 9,
- BATADV_TT_CLIENT_PENDING = 1 << 10,
+ BATADV_TT_CLIENT_DEL = BIT(0),
+ BATADV_TT_CLIENT_ROAM = BIT(1),
+ BATADV_TT_CLIENT_WIFI = BIT(2),
+ BATADV_TT_CLIENT_TEMP = BIT(3),
+ BATADV_TT_CLIENT_NOPURGE = BIT(8),
+ BATADV_TT_CLIENT_NEW = BIT(9),
+ BATADV_TT_CLIENT_PENDING = BIT(10),
};
/* claim frame types for the bridge loop avoidance */
enum batadv_bla_claimframe {
- BATADV_CLAIM_TYPE_ADD = 0x00,
- BATADV_CLAIM_TYPE_DEL = 0x01,
+ BATADV_CLAIM_TYPE_CLAIM = 0x00,
+ BATADV_CLAIM_TYPE_UNCLAIM = 0x01,
BATADV_CLAIM_TYPE_ANNOUNCE = 0x02,
BATADV_CLAIM_TYPE_REQUEST = 0x03,
};
return router;
}
-int batadv_recv_tt_query(struct sk_buff *skb, struct batadv_hard_iface *recv_if)
+static int batadv_check_unicast_packet(struct sk_buff *skb, int hdr_size)
{
- struct batadv_priv *bat_priv = netdev_priv(recv_if->soft_iface);
- struct batadv_tt_query_packet *tt_query;
- uint16_t tt_size;
struct ethhdr *ethhdr;
- char tt_flag;
- size_t packet_size;
/* drop packet if it has not necessary minimum size */
- if (unlikely(!pskb_may_pull(skb,
- sizeof(struct batadv_tt_query_packet))))
- goto out;
-
- /* I could need to modify it */
- if (skb_cow(skb, sizeof(struct batadv_tt_query_packet)) < 0)
- goto out;
+ if (unlikely(!pskb_may_pull(skb, hdr_size)))
+ return -1;
ethhdr = (struct ethhdr *)skb_mac_header(skb);
/* packet with unicast indication but broadcast recipient */
if (is_broadcast_ether_addr(ethhdr->h_dest))
- goto out;
+ return -1;
/* packet with broadcast sender address */
if (is_broadcast_ether_addr(ethhdr->h_source))
+ return -1;
+
+ /* not for me */
+ if (!batadv_is_my_mac(ethhdr->h_dest))
+ return -1;
+
+ return 0;
+}
+
+int batadv_recv_tt_query(struct sk_buff *skb, struct batadv_hard_iface *recv_if)
+{
+ struct batadv_priv *bat_priv = netdev_priv(recv_if->soft_iface);
+ struct batadv_tt_query_packet *tt_query;
+ uint16_t tt_size;
+ int hdr_size = sizeof(*tt_query);
+ char tt_flag;
+ size_t packet_size;
+
+ if (batadv_check_unicast_packet(skb, hdr_size) < 0)
+ return NET_RX_DROP;
+
+ /* I could need to modify it */
+ if (skb_cow(skb, sizeof(struct batadv_tt_query_packet)) < 0)
goto out;
tt_query = (struct batadv_tt_query_packet *)skb->data;
* been incremented yet. This flag will make me check all the incoming
* packets for the correct destination.
*/
- bat_priv->tt_poss_change = true;
+ bat_priv->tt.poss_change = true;
batadv_orig_node_free_ref(orig_node);
out:
return NULL;
}
-static int batadv_check_unicast_packet(struct sk_buff *skb, int hdr_size)
-{
- struct ethhdr *ethhdr;
-
- /* drop packet if it has not necessary minimum size */
- if (unlikely(!pskb_may_pull(skb, hdr_size)))
- return -1;
-
- ethhdr = (struct ethhdr *)skb_mac_header(skb);
-
- /* packet with unicast indication but broadcast recipient */
- if (is_broadcast_ether_addr(ethhdr->h_dest))
- return -1;
-
- /* packet with broadcast sender address */
- if (is_broadcast_ether_addr(ethhdr->h_source))
- return -1;
-
- /* not for me */
- if (!batadv_is_my_mac(ethhdr->h_dest))
- return -1;
-
- return 0;
-}
-
static int batadv_route_unicast_packet(struct sk_buff *skb,
struct batadv_hard_iface *recv_if)
{
unicast_packet = (struct batadv_unicast_packet *)skb->data;
if (batadv_is_my_mac(unicast_packet->dest)) {
- tt_poss_change = bat_priv->tt_poss_change;
- curr_ttvn = (uint8_t)atomic_read(&bat_priv->ttvn);
+ tt_poss_change = bat_priv->tt.poss_change;
+ curr_ttvn = (uint8_t)atomic_read(&bat_priv->tt.vn);
} else {
orig_node = batadv_orig_hash_find(bat_priv,
unicast_packet->dest);
} else {
memcpy(unicast_packet->dest, orig_node->orig,
ETH_ALEN);
- curr_ttvn = (uint8_t)
- atomic_read(&orig_node->last_ttvn);
+ curr_ttvn = (uint8_t)atomic_read(&orig_node->last_ttvn);
batadv_orig_node_free_ref(orig_node);
}
/* packet for me */
if (batadv_is_my_mac(unicast_packet->dest)) {
- batadv_interface_rx(recv_if->soft_iface, skb, recv_if,
- hdr_size);
+ batadv_interface_rx(recv_if->soft_iface, skb, recv_if, hdr_size,
+ NULL);
+
return NET_RX_SUCCESS;
}
return NET_RX_SUCCESS;
batadv_interface_rx(recv_if->soft_iface, new_skb, recv_if,
- sizeof(struct batadv_unicast_packet));
+ sizeof(struct batadv_unicast_packet), NULL);
return NET_RX_SUCCESS;
}
goto out;
/* broadcast for me */
- batadv_interface_rx(recv_if->soft_iface, skb, recv_if, hdr_size);
+ batadv_interface_rx(recv_if->soft_iface, skb, recv_if, hdr_size,
+ orig_node);
ret = NET_RX_SUCCESS;
goto out;
static void batadv_send_outstanding_bcast_packet(struct work_struct *work)
{
struct batadv_hard_iface *hard_iface;
- struct delayed_work *delayed_work =
- container_of(work, struct delayed_work, work);
+ struct delayed_work *delayed_work;
struct batadv_forw_packet *forw_packet;
struct sk_buff *skb1;
struct net_device *soft_iface;
struct batadv_priv *bat_priv;
+ delayed_work = container_of(work, struct delayed_work, work);
forw_packet = container_of(delayed_work, struct batadv_forw_packet,
delayed_work);
soft_iface = forw_packet->if_incoming->soft_iface;
void batadv_send_outstanding_bat_ogm_packet(struct work_struct *work)
{
- struct delayed_work *delayed_work =
- container_of(work, struct delayed_work, work);
+ struct delayed_work *delayed_work;
struct batadv_forw_packet *forw_packet;
struct batadv_priv *bat_priv;
+ delayed_work = container_of(work, struct delayed_work, work);
forw_packet = container_of(delayed_work, struct batadv_forw_packet,
delayed_work);
bat_priv = netdev_priv(forw_packet->if_incoming->soft_iface);
static struct net_device_stats *batadv_interface_stats(struct net_device *dev)
{
struct batadv_priv *bat_priv = netdev_priv(dev);
- return &bat_priv->stats;
+ struct net_device_stats *stats = &bat_priv->stats;
+
+ stats->tx_packets = batadv_sum_counter(bat_priv, BATADV_CNT_TX);
+ stats->tx_bytes = batadv_sum_counter(bat_priv, BATADV_CNT_TX_BYTES);
+ stats->tx_dropped = batadv_sum_counter(bat_priv, BATADV_CNT_TX_DROPPED);
+ stats->rx_packets = batadv_sum_counter(bat_priv, BATADV_CNT_RX);
+ stats->rx_bytes = batadv_sum_counter(bat_priv, BATADV_CNT_RX_BYTES);
+ return stats;
}
static int batadv_interface_set_mac_addr(struct net_device *dev, void *p)
int data_len = skb->len, ret;
short vid __maybe_unused = -1;
bool do_bcast = false;
+ uint32_t seqno;
if (atomic_read(&bat_priv->mesh_state) != BATADV_MESH_ACTIVE)
goto dropped;
primary_if->net_dev->dev_addr, ETH_ALEN);
/* set broadcast sequence number */
- bcast_packet->seqno =
- htonl(atomic_inc_return(&bat_priv->bcast_seqno));
+ seqno = atomic_inc_return(&bat_priv->bcast_seqno);
+ bcast_packet->seqno = htonl(seqno);
batadv_add_bcast_packet_to_list(bat_priv, skb, 1);
goto dropped_freed;
}
- bat_priv->stats.tx_packets++;
- bat_priv->stats.tx_bytes += data_len;
+ batadv_inc_counter(bat_priv, BATADV_CNT_TX);
+ batadv_add_counter(bat_priv, BATADV_CNT_TX_BYTES, data_len);
goto end;
dropped:
kfree_skb(skb);
dropped_freed:
- bat_priv->stats.tx_dropped++;
+ batadv_inc_counter(bat_priv, BATADV_CNT_TX_DROPPED);
end:
if (primary_if)
batadv_hardif_free_ref(primary_if);
void batadv_interface_rx(struct net_device *soft_iface,
struct sk_buff *skb, struct batadv_hard_iface *recv_if,
- int hdr_size)
+ int hdr_size, struct batadv_orig_node *orig_node)
{
struct batadv_priv *bat_priv = netdev_priv(soft_iface);
struct ethhdr *ethhdr;
/* skb->ip_summed = CHECKSUM_UNNECESSARY; */
- bat_priv->stats.rx_packets++;
- bat_priv->stats.rx_bytes += skb->len + ETH_HLEN;
+ batadv_inc_counter(bat_priv, BATADV_CNT_RX);
+ batadv_add_counter(bat_priv, BATADV_CNT_RX_BYTES,
+ skb->len + ETH_HLEN);
soft_iface->last_rx = jiffies;
+ if (orig_node)
+ batadv_tt_add_temporary_global_entry(bat_priv, orig_node,
+ ethhdr->h_source);
+
if (batadv_is_ap_isolated(bat_priv, ethhdr->h_source, ethhdr->h_dest))
goto dropped;
if (!soft_iface)
goto out;
+ bat_priv = netdev_priv(soft_iface);
+
+ /* batadv_interface_stats() needs to be available as soon as
+ * register_netdevice() has been called
+ */
+ bat_priv->bat_counters = __alloc_percpu(cnt_len, __alignof__(uint64_t));
+ if (!bat_priv->bat_counters)
+ goto free_soft_iface;
+
ret = register_netdevice(soft_iface);
if (ret < 0) {
pr_err("Unable to register the batman interface '%s': %i\n",
name, ret);
- goto free_soft_iface;
+ goto free_bat_counters;
}
- bat_priv = netdev_priv(soft_iface);
-
atomic_set(&bat_priv->aggregated_ogms, 1);
atomic_set(&bat_priv->bonding, 0);
atomic_set(&bat_priv->bridge_loop_avoidance, 0);
atomic_set(&bat_priv->mesh_state, BATADV_MESH_INACTIVE);
atomic_set(&bat_priv->bcast_seqno, 1);
- atomic_set(&bat_priv->ttvn, 0);
- atomic_set(&bat_priv->tt_local_changes, 0);
- atomic_set(&bat_priv->tt_ogm_append_cnt, 0);
- atomic_set(&bat_priv->bla_num_requests, 0);
-
- bat_priv->tt_buff = NULL;
- bat_priv->tt_buff_len = 0;
- bat_priv->tt_poss_change = false;
+ atomic_set(&bat_priv->tt.vn, 0);
+ atomic_set(&bat_priv->tt.local_changes, 0);
+ atomic_set(&bat_priv->tt.ogm_append_cnt, 0);
+#ifdef CONFIG_BATMAN_ADV_BLA
+ atomic_set(&bat_priv->bla.num_requests, 0);
+#endif
+ bat_priv->tt.last_changeset = NULL;
+ bat_priv->tt.last_changeset_len = 0;
+ bat_priv->tt.poss_change = false;
bat_priv->primary_if = NULL;
bat_priv->num_ifaces = 0;
- bat_priv->bat_counters = __alloc_percpu(cnt_len, __alignof__(uint64_t));
- if (!bat_priv->bat_counters)
- goto unreg_soft_iface;
-
ret = batadv_algo_select(bat_priv, batadv_routing_algo);
if (ret < 0)
- goto free_bat_counters;
+ goto unreg_soft_iface;
ret = batadv_sysfs_add_meshif(soft_iface);
if (ret < 0)
- goto free_bat_counters;
+ goto unreg_soft_iface;
ret = batadv_debugfs_add_meshif(soft_iface);
if (ret < 0)
batadv_debugfs_del_meshif(soft_iface);
unreg_sysfs:
batadv_sysfs_del_meshif(soft_iface);
-free_bat_counters:
- free_percpu(bat_priv->bat_counters);
unreg_soft_iface:
+ free_percpu(bat_priv->bat_counters);
unregister_netdevice(soft_iface);
return NULL;
+free_bat_counters:
+ free_percpu(bat_priv->bat_counters);
free_soft_iface:
free_netdev(soft_iface);
out:
static const struct {
const char name[ETH_GSTRING_LEN];
} batadv_counters_strings[] = {
+ { "tx" },
+ { "tx_bytes" },
+ { "tx_dropped" },
+ { "rx" },
+ { "rx_bytes" },
{ "forward" },
{ "forward_bytes" },
{ "mgmt_tx" },
#define _NET_BATMAN_ADV_SOFT_INTERFACE_H_
int batadv_skb_head_push(struct sk_buff *skb, unsigned int len);
-void batadv_interface_rx(struct net_device *soft_iface, struct sk_buff *skb,
- struct batadv_hard_iface *recv_if, int hdr_size);
+void batadv_interface_rx(struct net_device *soft_iface,
+ struct sk_buff *skb, struct batadv_hard_iface *recv_if,
+ int hdr_size, struct batadv_orig_node *orig_node);
struct net_device *batadv_softif_create(const char *name);
void batadv_softif_destroy(struct net_device *soft_iface);
int batadv_softif_is_valid(const struct net_device *net_dev);
static void batadv_tt_purge(struct work_struct *work);
static void
batadv_tt_global_del_orig_list(struct batadv_tt_global_entry *tt_global_entry);
+static void batadv_tt_global_del(struct batadv_priv *bat_priv,
+ struct batadv_orig_node *orig_node,
+ const unsigned char *addr,
+ const char *message, bool roaming);
/* returns 1 if they are the same mac addr */
static int batadv_compare_tt(const struct hlist_node *node, const void *data2)
static void batadv_tt_start_timer(struct batadv_priv *bat_priv)
{
- INIT_DELAYED_WORK(&bat_priv->tt_work, batadv_tt_purge);
- queue_delayed_work(batadv_event_workqueue, &bat_priv->tt_work,
+ INIT_DELAYED_WORK(&bat_priv->tt.work, batadv_tt_purge);
+ queue_delayed_work(batadv_event_workqueue, &bat_priv->tt.work,
msecs_to_jiffies(5000));
}
struct batadv_tt_common_entry *tt_common_entry;
struct batadv_tt_local_entry *tt_local_entry = NULL;
- tt_common_entry = batadv_tt_hash_find(bat_priv->tt_local_hash, data);
+ tt_common_entry = batadv_tt_hash_find(bat_priv->tt.local_hash, data);
if (tt_common_entry)
tt_local_entry = container_of(tt_common_entry,
struct batadv_tt_local_entry,
struct batadv_tt_common_entry *tt_common_entry;
struct batadv_tt_global_entry *tt_global_entry = NULL;
- tt_common_entry = batadv_tt_hash_find(bat_priv->tt_global_hash, data);
+ tt_common_entry = batadv_tt_hash_find(bat_priv->tt.global_hash, data);
if (tt_common_entry)
tt_global_entry = container_of(tt_common_entry,
struct batadv_tt_global_entry,
static void
batadv_tt_orig_list_entry_free_ref(struct batadv_tt_orig_list_entry *orig_entry)
{
+ if (!atomic_dec_and_test(&orig_entry->refcount))
+ return;
/* to avoid race conditions, immediately decrease the tt counter */
atomic_dec(&orig_entry->orig_node->tt_size);
call_rcu(&orig_entry->rcu, batadv_tt_orig_list_entry_free_rcu);
del_op_requested = flags & BATADV_TT_CLIENT_DEL;
/* check for ADD+DEL or DEL+ADD events */
- spin_lock_bh(&bat_priv->tt_changes_list_lock);
- list_for_each_entry_safe(entry, safe, &bat_priv->tt_changes_list,
+ spin_lock_bh(&bat_priv->tt.changes_list_lock);
+ list_for_each_entry_safe(entry, safe, &bat_priv->tt.changes_list,
list) {
if (!batadv_compare_eth(entry->change.addr, addr))
continue;
}
/* track the change in the OGMinterval list */
- list_add_tail(&tt_change_node->list, &bat_priv->tt_changes_list);
+ list_add_tail(&tt_change_node->list, &bat_priv->tt.changes_list);
unlock:
- spin_unlock_bh(&bat_priv->tt_changes_list_lock);
+ spin_unlock_bh(&bat_priv->tt.changes_list_lock);
if (event_removed)
- atomic_dec(&bat_priv->tt_local_changes);
+ atomic_dec(&bat_priv->tt.local_changes);
else
- atomic_inc(&bat_priv->tt_local_changes);
+ atomic_inc(&bat_priv->tt.local_changes);
}
int batadv_tt_len(int changes_num)
static int batadv_tt_local_init(struct batadv_priv *bat_priv)
{
- if (bat_priv->tt_local_hash)
+ if (bat_priv->tt.local_hash)
return 0;
- bat_priv->tt_local_hash = batadv_hash_new(1024);
+ bat_priv->tt.local_hash = batadv_hash_new(1024);
- if (!bat_priv->tt_local_hash)
+ if (!bat_priv->tt.local_hash)
return -ENOMEM;
return 0;
batadv_dbg(BATADV_DBG_TT, bat_priv,
"Creating new local tt entry: %pM (ttvn: %d)\n", addr,
- (uint8_t)atomic_read(&bat_priv->ttvn));
+ (uint8_t)atomic_read(&bat_priv->tt.vn));
memcpy(tt_local_entry->common.addr, addr, ETH_ALEN);
tt_local_entry->common.flags = BATADV_NO_FLAGS;
tt_local_entry->common.flags |= BATADV_TT_CLIENT_WIFI;
atomic_set(&tt_local_entry->common.refcount, 2);
tt_local_entry->last_seen = jiffies;
+ tt_local_entry->common.added_at = tt_local_entry->last_seen;
/* the batman interface mac address should never be purged */
if (batadv_compare_eth(addr, soft_iface->dev_addr))
*/
tt_local_entry->common.flags |= BATADV_TT_CLIENT_NEW;
- hash_added = batadv_hash_add(bat_priv->tt_local_hash, batadv_compare_tt,
+ hash_added = batadv_hash_add(bat_priv->tt.local_hash, batadv_compare_tt,
batadv_choose_orig,
&tt_local_entry->common,
&tt_local_entry->common.hash_entry);
primary_if = batadv_primary_if_get_selected(bat_priv);
req_len = min_packet_len;
- req_len += batadv_tt_len(atomic_read(&bat_priv->tt_local_changes));
+ req_len += batadv_tt_len(atomic_read(&bat_priv->tt.local_changes));
/* if we have too many changes for one packet don't send any
* and wait for the tt table request which will be fragmented
if (new_len > 0)
tot_changes = new_len / batadv_tt_len(1);
- spin_lock_bh(&bat_priv->tt_changes_list_lock);
- atomic_set(&bat_priv->tt_local_changes, 0);
+ spin_lock_bh(&bat_priv->tt.changes_list_lock);
+ atomic_set(&bat_priv->tt.local_changes, 0);
- list_for_each_entry_safe(entry, safe, &bat_priv->tt_changes_list,
+ list_for_each_entry_safe(entry, safe, &bat_priv->tt.changes_list,
list) {
if (count < tot_changes) {
memcpy(tt_buff + batadv_tt_len(count),
list_del(&entry->list);
kfree(entry);
}
- spin_unlock_bh(&bat_priv->tt_changes_list_lock);
+ spin_unlock_bh(&bat_priv->tt.changes_list_lock);
/* Keep the buffer for possible tt_request */
- spin_lock_bh(&bat_priv->tt_buff_lock);
- kfree(bat_priv->tt_buff);
- bat_priv->tt_buff_len = 0;
- bat_priv->tt_buff = NULL;
+ spin_lock_bh(&bat_priv->tt.last_changeset_lock);
+ kfree(bat_priv->tt.last_changeset);
+ bat_priv->tt.last_changeset_len = 0;
+ bat_priv->tt.last_changeset = NULL;
/* check whether this new OGM has no changes due to size problems */
if (new_len > 0) {
/* if kmalloc() fails we will reply with the full table
* instead of providing the diff
*/
- bat_priv->tt_buff = kmalloc(new_len, GFP_ATOMIC);
- if (bat_priv->tt_buff) {
- memcpy(bat_priv->tt_buff, tt_buff, new_len);
- bat_priv->tt_buff_len = new_len;
+ bat_priv->tt.last_changeset = kmalloc(new_len, GFP_ATOMIC);
+ if (bat_priv->tt.last_changeset) {
+ memcpy(bat_priv->tt.last_changeset, tt_buff, new_len);
+ bat_priv->tt.last_changeset_len = new_len;
}
}
- spin_unlock_bh(&bat_priv->tt_buff_lock);
+ spin_unlock_bh(&bat_priv->tt.last_changeset_lock);
return count;
}
{
struct net_device *net_dev = (struct net_device *)seq->private;
struct batadv_priv *bat_priv = netdev_priv(net_dev);
- struct batadv_hashtable *hash = bat_priv->tt_local_hash;
+ struct batadv_hashtable *hash = bat_priv->tt.local_hash;
struct batadv_tt_common_entry *tt_common_entry;
struct batadv_hard_iface *primary_if;
struct hlist_node *node;
seq_printf(seq,
"Locally retrieved addresses (from %s) announced via TT (TTVN: %u):\n",
- net_dev->name, (uint8_t)atomic_read(&bat_priv->ttvn));
+ net_dev->name, (uint8_t)atomic_read(&bat_priv->tt.vn));
for (i = 0; i < hash->size; i++) {
head = &hash->table[i];
static void batadv_tt_local_purge(struct batadv_priv *bat_priv)
{
- struct batadv_hashtable *hash = bat_priv->tt_local_hash;
+ struct batadv_hashtable *hash = bat_priv->tt.local_hash;
struct hlist_head *head;
spinlock_t *list_lock; /* protects write access to the hash lists */
uint32_t i;
struct hlist_head *head;
uint32_t i;
- if (!bat_priv->tt_local_hash)
+ if (!bat_priv->tt.local_hash)
return;
- hash = bat_priv->tt_local_hash;
+ hash = bat_priv->tt.local_hash;
for (i = 0; i < hash->size; i++) {
head = &hash->table[i];
batadv_hash_destroy(hash);
- bat_priv->tt_local_hash = NULL;
+ bat_priv->tt.local_hash = NULL;
}
static int batadv_tt_global_init(struct batadv_priv *bat_priv)
{
- if (bat_priv->tt_global_hash)
+ if (bat_priv->tt.global_hash)
return 0;
- bat_priv->tt_global_hash = batadv_hash_new(1024);
+ bat_priv->tt.global_hash = batadv_hash_new(1024);
- if (!bat_priv->tt_global_hash)
+ if (!bat_priv->tt.global_hash)
return -ENOMEM;
return 0;
{
struct batadv_tt_change_node *entry, *safe;
- spin_lock_bh(&bat_priv->tt_changes_list_lock);
+ spin_lock_bh(&bat_priv->tt.changes_list_lock);
- list_for_each_entry_safe(entry, safe, &bat_priv->tt_changes_list,
+ list_for_each_entry_safe(entry, safe, &bat_priv->tt.changes_list,
list) {
list_del(&entry->list);
kfree(entry);
}
- atomic_set(&bat_priv->tt_local_changes, 0);
- spin_unlock_bh(&bat_priv->tt_changes_list_lock);
+ atomic_set(&bat_priv->tt.local_changes, 0);
+ spin_unlock_bh(&bat_priv->tt.changes_list_lock);
}
-/* find out if an orig_node is already in the list of a tt_global_entry.
- * returns 1 if found, 0 otherwise
+/* retrieves the orig_tt_list_entry belonging to orig_node from the
+ * batadv_tt_global_entry list
+ *
+ * returns it with an increased refcounter, NULL if not found
*/
-static bool
-batadv_tt_global_entry_has_orig(const struct batadv_tt_global_entry *entry,
- const struct batadv_orig_node *orig_node)
+static struct batadv_tt_orig_list_entry *
+batadv_tt_global_orig_entry_find(const struct batadv_tt_global_entry *entry,
+ const struct batadv_orig_node *orig_node)
{
- struct batadv_tt_orig_list_entry *tmp_orig_entry;
+ struct batadv_tt_orig_list_entry *tmp_orig_entry, *orig_entry = NULL;
const struct hlist_head *head;
struct hlist_node *node;
- bool found = false;
rcu_read_lock();
head = &entry->orig_list;
hlist_for_each_entry_rcu(tmp_orig_entry, node, head, list) {
- if (tmp_orig_entry->orig_node == orig_node) {
- found = true;
- break;
- }
+ if (tmp_orig_entry->orig_node != orig_node)
+ continue;
+ if (!atomic_inc_not_zero(&tmp_orig_entry->refcount))
+ continue;
+
+ orig_entry = tmp_orig_entry;
+ break;
}
rcu_read_unlock();
+
+ return orig_entry;
+}
+
+/* find out if an orig_node is already in the list of a tt_global_entry.
+ * returns true if found, false otherwise
+ */
+static bool
+batadv_tt_global_entry_has_orig(const struct batadv_tt_global_entry *entry,
+ const struct batadv_orig_node *orig_node)
+{
+ struct batadv_tt_orig_list_entry *orig_entry;
+ bool found = false;
+
+ orig_entry = batadv_tt_global_orig_entry_find(entry, orig_node);
+ if (orig_entry) {
+ found = true;
+ batadv_tt_orig_list_entry_free_ref(orig_entry);
+ }
+
return found;
}
static void
-batadv_tt_global_add_orig_entry(struct batadv_tt_global_entry *tt_global_entry,
+batadv_tt_global_orig_entry_add(struct batadv_tt_global_entry *tt_global,
struct batadv_orig_node *orig_node, int ttvn)
{
struct batadv_tt_orig_list_entry *orig_entry;
+ orig_entry = batadv_tt_global_orig_entry_find(tt_global, orig_node);
+ if (orig_entry) {
+ /* refresh the ttvn: the current value could be a bogus one that
+ * was added during a "temporary client detection"
+ */
+ orig_entry->ttvn = ttvn;
+ goto out;
+ }
+
orig_entry = kzalloc(sizeof(*orig_entry), GFP_ATOMIC);
if (!orig_entry)
- return;
+ goto out;
INIT_HLIST_NODE(&orig_entry->list);
atomic_inc(&orig_node->refcount);
atomic_inc(&orig_node->tt_size);
orig_entry->orig_node = orig_node;
orig_entry->ttvn = ttvn;
+ atomic_set(&orig_entry->refcount, 2);
- spin_lock_bh(&tt_global_entry->list_lock);
+ spin_lock_bh(&tt_global->list_lock);
hlist_add_head_rcu(&orig_entry->list,
- &tt_global_entry->orig_list);
- spin_unlock_bh(&tt_global_entry->list_lock);
+ &tt_global->orig_list);
+ spin_unlock_bh(&tt_global->list_lock);
+out:
+ if (orig_entry)
+ batadv_tt_orig_list_entry_free_ref(orig_entry);
}
/* caller must hold orig_node refcount */
common->flags = flags;
tt_global_entry->roam_at = 0;
atomic_set(&common->refcount, 2);
+ common->added_at = jiffies;
INIT_HLIST_HEAD(&tt_global_entry->orig_list);
spin_lock_init(&tt_global_entry->list_lock);
- hash_added = batadv_hash_add(bat_priv->tt_global_hash,
+ hash_added = batadv_hash_add(bat_priv->tt.global_hash,
batadv_compare_tt,
batadv_choose_orig, common,
&common->hash_entry);
batadv_tt_global_entry_free_ref(tt_global_entry);
goto out_remove;
}
-
- batadv_tt_global_add_orig_entry(tt_global_entry, orig_node,
- ttvn);
} else {
- /* there is already a global entry, use this one. */
+ /* If there is already a global entry, we can use this one for
+ * our processing.
+ * But if we are trying to add a temporary client we can exit
+ * directly because the temporary information should never
+ * override any already known client state (whatever it is)
+ */
+ if (flags & BATADV_TT_CLIENT_TEMP)
+ goto out;
+
+ /* if the client was temporary added before receiving the first
+ * OGM announcing it, we have to clear the TEMP flag
+ */
+ tt_global_entry->common.flags &= ~BATADV_TT_CLIENT_TEMP;
/* If there is the BATADV_TT_CLIENT_ROAM flag set, there is only
* one originator left in the list and we previously received a
tt_global_entry->common.flags &= ~BATADV_TT_CLIENT_ROAM;
tt_global_entry->roam_at = 0;
}
-
- if (!batadv_tt_global_entry_has_orig(tt_global_entry,
- orig_node))
- batadv_tt_global_add_orig_entry(tt_global_entry,
- orig_node, ttvn);
}
+ /* add the new orig_entry (if needed) or update it */
+ batadv_tt_global_orig_entry_add(tt_global_entry, orig_node, ttvn);
batadv_dbg(BATADV_DBG_TT, bat_priv,
"Creating new global tt entry: %pM (via %pM)\n",
hlist_for_each_entry_rcu(orig_entry, node, head, list) {
flags = tt_common_entry->flags;
last_ttvn = atomic_read(&orig_entry->orig_node->last_ttvn);
- seq_printf(seq, " * %pM (%3u) via %pM (%3u) [%c%c]\n",
+ seq_printf(seq, " * %pM (%3u) via %pM (%3u) [%c%c%c]\n",
tt_global_entry->common.addr, orig_entry->ttvn,
orig_entry->orig_node->orig, last_ttvn,
(flags & BATADV_TT_CLIENT_ROAM ? 'R' : '.'),
- (flags & BATADV_TT_CLIENT_WIFI ? 'W' : '.'));
+ (flags & BATADV_TT_CLIENT_WIFI ? 'W' : '.'),
+ (flags & BATADV_TT_CLIENT_TEMP ? 'T' : '.'));
}
}
{
struct net_device *net_dev = (struct net_device *)seq->private;
struct batadv_priv *bat_priv = netdev_priv(net_dev);
- struct batadv_hashtable *hash = bat_priv->tt_global_hash;
+ struct batadv_hashtable *hash = bat_priv->tt.global_hash;
struct batadv_tt_common_entry *tt_common_entry;
struct batadv_tt_global_entry *tt_global;
struct batadv_hard_iface *primary_if;
"Deleting global tt entry %pM: %s\n",
tt_global_entry->common.addr, message);
- batadv_hash_remove(bat_priv->tt_global_hash, batadv_compare_tt,
+ batadv_hash_remove(bat_priv->tt.global_hash, batadv_compare_tt,
batadv_choose_orig, tt_global_entry->common.addr);
batadv_tt_global_entry_free_ref(tt_global_entry);
struct batadv_tt_global_entry *tt_global;
struct batadv_tt_common_entry *tt_common_entry;
uint32_t i;
- struct batadv_hashtable *hash = bat_priv->tt_global_hash;
+ struct batadv_hashtable *hash = bat_priv->tt.global_hash;
struct hlist_node *node, *safe;
struct hlist_head *head;
spinlock_t *list_lock; /* protects write access to the hash lists */
orig_node->tt_initialised = false;
}
-static void batadv_tt_global_roam_purge_list(struct batadv_priv *bat_priv,
- struct hlist_head *head)
+static bool batadv_tt_global_to_purge(struct batadv_tt_global_entry *tt_global,
+ char **msg)
{
- struct batadv_tt_common_entry *tt_common_entry;
- struct batadv_tt_global_entry *tt_global_entry;
- struct hlist_node *node, *node_tmp;
-
- hlist_for_each_entry_safe(tt_common_entry, node, node_tmp, head,
- hash_entry) {
- tt_global_entry = container_of(tt_common_entry,
- struct batadv_tt_global_entry,
- common);
- if (!(tt_global_entry->common.flags & BATADV_TT_CLIENT_ROAM))
- continue;
- if (!batadv_has_timed_out(tt_global_entry->roam_at,
- BATADV_TT_CLIENT_ROAM_TIMEOUT))
- continue;
+ bool purge = false;
+ unsigned long roam_timeout = BATADV_TT_CLIENT_ROAM_TIMEOUT;
+ unsigned long temp_timeout = BATADV_TT_CLIENT_TEMP_TIMEOUT;
- batadv_dbg(BATADV_DBG_TT, bat_priv,
- "Deleting global tt entry (%pM): Roaming timeout\n",
- tt_global_entry->common.addr);
+ if ((tt_global->common.flags & BATADV_TT_CLIENT_ROAM) &&
+ batadv_has_timed_out(tt_global->roam_at, roam_timeout)) {
+ purge = true;
+ *msg = "Roaming timeout\n";
+ }
- hlist_del_rcu(node);
- batadv_tt_global_entry_free_ref(tt_global_entry);
+ if ((tt_global->common.flags & BATADV_TT_CLIENT_TEMP) &&
+ batadv_has_timed_out(tt_global->common.added_at, temp_timeout)) {
+ purge = true;
+ *msg = "Temporary client timeout\n";
}
+
+ return purge;
}
-static void batadv_tt_global_roam_purge(struct batadv_priv *bat_priv)
+static void batadv_tt_global_purge(struct batadv_priv *bat_priv)
{
- struct batadv_hashtable *hash = bat_priv->tt_global_hash;
+ struct batadv_hashtable *hash = bat_priv->tt.global_hash;
struct hlist_head *head;
+ struct hlist_node *node, *node_tmp;
spinlock_t *list_lock; /* protects write access to the hash lists */
uint32_t i;
+ char *msg = NULL;
+ struct batadv_tt_common_entry *tt_common;
+ struct batadv_tt_global_entry *tt_global;
for (i = 0; i < hash->size; i++) {
head = &hash->table[i];
list_lock = &hash->list_locks[i];
spin_lock_bh(list_lock);
- batadv_tt_global_roam_purge_list(bat_priv, head);
+ hlist_for_each_entry_safe(tt_common, node, node_tmp, head,
+ hash_entry) {
+ tt_global = container_of(tt_common,
+ struct batadv_tt_global_entry,
+ common);
+
+ if (!batadv_tt_global_to_purge(tt_global, &msg))
+ continue;
+
+ batadv_dbg(BATADV_DBG_TT, bat_priv,
+ "Deleting global tt entry (%pM): %s\n",
+ tt_global->common.addr, msg);
+
+ hlist_del_rcu(node);
+
+ batadv_tt_global_entry_free_ref(tt_global);
+ }
spin_unlock_bh(list_lock);
}
-
}
static void batadv_tt_global_table_free(struct batadv_priv *bat_priv)
struct hlist_head *head;
uint32_t i;
- if (!bat_priv->tt_global_hash)
+ if (!bat_priv->tt.global_hash)
return;
- hash = bat_priv->tt_global_hash;
+ hash = bat_priv->tt.global_hash;
for (i = 0; i < hash->size; i++) {
head = &hash->table[i];
batadv_hash_destroy(hash);
- bat_priv->tt_global_hash = NULL;
+ bat_priv->tt.global_hash = NULL;
}
static bool
struct batadv_orig_node *orig_node)
{
uint16_t total = 0, total_one;
- struct batadv_hashtable *hash = bat_priv->tt_global_hash;
+ struct batadv_hashtable *hash = bat_priv->tt.global_hash;
struct batadv_tt_common_entry *tt_common;
struct batadv_tt_global_entry *tt_global;
struct hlist_node *node;
*/
if (tt_common->flags & BATADV_TT_CLIENT_ROAM)
continue;
+ /* Temporary clients have not been announced yet, so
+ * they have to be skipped while computing the global
+ * crc
+ */
+ if (tt_common->flags & BATADV_TT_CLIENT_TEMP)
+ continue;
/* find out if this global entry is announced by this
* originator
static uint16_t batadv_tt_local_crc(struct batadv_priv *bat_priv)
{
uint16_t total = 0, total_one;
- struct batadv_hashtable *hash = bat_priv->tt_local_hash;
+ struct batadv_hashtable *hash = bat_priv->tt.local_hash;
struct batadv_tt_common_entry *tt_common;
struct hlist_node *node;
struct hlist_head *head;
{
struct batadv_tt_req_node *node, *safe;
- spin_lock_bh(&bat_priv->tt_req_list_lock);
+ spin_lock_bh(&bat_priv->tt.req_list_lock);
- list_for_each_entry_safe(node, safe, &bat_priv->tt_req_list, list) {
+ list_for_each_entry_safe(node, safe, &bat_priv->tt.req_list, list) {
list_del(&node->list);
kfree(node);
}
- spin_unlock_bh(&bat_priv->tt_req_list_lock);
+ spin_unlock_bh(&bat_priv->tt.req_list_lock);
}
static void batadv_tt_save_orig_buffer(struct batadv_priv *bat_priv,
{
struct batadv_tt_req_node *node, *safe;
- spin_lock_bh(&bat_priv->tt_req_list_lock);
- list_for_each_entry_safe(node, safe, &bat_priv->tt_req_list, list) {
+ spin_lock_bh(&bat_priv->tt.req_list_lock);
+ list_for_each_entry_safe(node, safe, &bat_priv->tt.req_list, list) {
if (batadv_has_timed_out(node->issued_at,
BATADV_TT_REQUEST_TIMEOUT)) {
list_del(&node->list);
kfree(node);
}
}
- spin_unlock_bh(&bat_priv->tt_req_list_lock);
+ spin_unlock_bh(&bat_priv->tt.req_list_lock);
}
/* returns the pointer to the new tt_req_node struct if no request
{
struct batadv_tt_req_node *tt_req_node_tmp, *tt_req_node = NULL;
- spin_lock_bh(&bat_priv->tt_req_list_lock);
- list_for_each_entry(tt_req_node_tmp, &bat_priv->tt_req_list, list) {
+ spin_lock_bh(&bat_priv->tt.req_list_lock);
+ list_for_each_entry(tt_req_node_tmp, &bat_priv->tt.req_list, list) {
if (batadv_compare_eth(tt_req_node_tmp, orig_node) &&
!batadv_has_timed_out(tt_req_node_tmp->issued_at,
BATADV_TT_REQUEST_TIMEOUT))
memcpy(tt_req_node->addr, orig_node->orig, ETH_ALEN);
tt_req_node->issued_at = jiffies;
- list_add(&tt_req_node->list, &bat_priv->tt_req_list);
+ list_add(&tt_req_node->list, &bat_priv->tt.req_list);
unlock:
- spin_unlock_bh(&bat_priv->tt_req_list_lock);
+ spin_unlock_bh(&bat_priv->tt.req_list_lock);
return tt_req_node;
}
const struct batadv_tt_global_entry *tt_global_entry;
const struct batadv_orig_node *orig_node = data_ptr;
- if (tt_common_entry->flags & BATADV_TT_CLIENT_ROAM)
+ if (tt_common_entry->flags & BATADV_TT_CLIENT_ROAM ||
+ tt_common_entry->flags & BATADV_TT_CLIENT_TEMP)
return 0;
tt_global_entry = container_of(tt_common_entry,
if (ret)
kfree_skb(skb);
if (ret && tt_req_node) {
- spin_lock_bh(&bat_priv->tt_req_list_lock);
+ spin_lock_bh(&bat_priv->tt.req_list_lock);
list_del(&tt_req_node->list);
- spin_unlock_bh(&bat_priv->tt_req_list_lock);
+ spin_unlock_bh(&bat_priv->tt.req_list_lock);
kfree(tt_req_node);
}
return ret;
uint16_t tt_len, tt_tot;
struct sk_buff *skb = NULL;
struct batadv_tt_query_packet *tt_response;
+ uint8_t *packet_pos;
size_t len;
batadv_dbg(BATADV_DBG_TT, bat_priv,
goto unlock;
skb_reserve(skb, ETH_HLEN);
- tt_response = (struct batadv_tt_query_packet *)skb_put(skb,
- len);
+ packet_pos = skb_put(skb, len);
+ tt_response = (struct batadv_tt_query_packet *)packet_pos;
tt_response->ttvn = req_ttvn;
tt_response->tt_data = htons(tt_tot);
ttvn = (uint8_t)atomic_read(&req_dst_orig_node->last_ttvn);
skb = batadv_tt_response_fill_table(tt_len, ttvn,
- bat_priv->tt_global_hash,
+ bat_priv->tt.global_hash,
primary_if,
batadv_tt_global_valid,
req_dst_orig_node);
uint16_t tt_len, tt_tot;
struct sk_buff *skb = NULL;
struct batadv_tt_query_packet *tt_response;
+ uint8_t *packet_pos;
size_t len;
batadv_dbg(BATADV_DBG_TT, bat_priv,
(tt_request->flags & BATADV_TT_FULL_TABLE ? 'F' : '.'));
- my_ttvn = (uint8_t)atomic_read(&bat_priv->ttvn);
+ my_ttvn = (uint8_t)atomic_read(&bat_priv->tt.vn);
req_ttvn = tt_request->ttvn;
orig_node = batadv_orig_hash_find(bat_priv, tt_request->src);
* is too big send the whole local translation table
*/
if (tt_request->flags & BATADV_TT_FULL_TABLE || my_ttvn != req_ttvn ||
- !bat_priv->tt_buff)
+ !bat_priv->tt.last_changeset)
full_table = true;
else
full_table = false;
* I'll send only one packet with as much TT entries as I can
*/
if (!full_table) {
- spin_lock_bh(&bat_priv->tt_buff_lock);
- tt_len = bat_priv->tt_buff_len;
+ spin_lock_bh(&bat_priv->tt.last_changeset_lock);
+ tt_len = bat_priv->tt.last_changeset_len;
tt_tot = tt_len / sizeof(struct batadv_tt_change);
len = sizeof(*tt_response) + tt_len;
goto unlock;
skb_reserve(skb, ETH_HLEN);
- tt_response = (struct batadv_tt_query_packet *)skb_put(skb,
- len);
+ packet_pos = skb_put(skb, len);
+ tt_response = (struct batadv_tt_query_packet *)packet_pos;
tt_response->ttvn = req_ttvn;
tt_response->tt_data = htons(tt_tot);
tt_buff = skb->data + sizeof(*tt_response);
- memcpy(tt_buff, bat_priv->tt_buff,
- bat_priv->tt_buff_len);
- spin_unlock_bh(&bat_priv->tt_buff_lock);
+ memcpy(tt_buff, bat_priv->tt.last_changeset,
+ bat_priv->tt.last_changeset_len);
+ spin_unlock_bh(&bat_priv->tt.last_changeset_lock);
} else {
- tt_len = (uint16_t)atomic_read(&bat_priv->num_local_tt);
+ tt_len = (uint16_t)atomic_read(&bat_priv->tt.local_entry_num);
tt_len *= sizeof(struct batadv_tt_change);
- ttvn = (uint8_t)atomic_read(&bat_priv->ttvn);
+ ttvn = (uint8_t)atomic_read(&bat_priv->tt.vn);
skb = batadv_tt_response_fill_table(tt_len, ttvn,
- bat_priv->tt_local_hash,
+ bat_priv->tt.local_hash,
primary_if,
batadv_tt_local_valid_entry,
NULL);
goto out;
unlock:
- spin_unlock_bh(&bat_priv->tt_buff_lock);
+ spin_unlock_bh(&bat_priv->tt.last_changeset_lock);
out:
if (orig_node)
batadv_orig_node_free_ref(orig_node);
}
/* Delete the tt_req_node from pending tt_requests list */
- spin_lock_bh(&bat_priv->tt_req_list_lock);
- list_for_each_entry_safe(node, safe, &bat_priv->tt_req_list, list) {
+ spin_lock_bh(&bat_priv->tt.req_list_lock);
+ list_for_each_entry_safe(node, safe, &bat_priv->tt.req_list, list) {
if (!batadv_compare_eth(node->addr, tt_response->src))
continue;
list_del(&node->list);
kfree(node);
}
- spin_unlock_bh(&bat_priv->tt_req_list_lock);
+ spin_unlock_bh(&bat_priv->tt.req_list_lock);
/* Recalculate the CRC for this orig_node and store it */
orig_node->tt_crc = batadv_tt_global_crc(bat_priv, orig_node);
{
struct batadv_tt_roam_node *node, *safe;
- spin_lock_bh(&bat_priv->tt_roam_list_lock);
+ spin_lock_bh(&bat_priv->tt.roam_list_lock);
- list_for_each_entry_safe(node, safe, &bat_priv->tt_roam_list, list) {
+ list_for_each_entry_safe(node, safe, &bat_priv->tt.roam_list, list) {
list_del(&node->list);
kfree(node);
}
- spin_unlock_bh(&bat_priv->tt_roam_list_lock);
+ spin_unlock_bh(&bat_priv->tt.roam_list_lock);
}
static void batadv_tt_roam_purge(struct batadv_priv *bat_priv)
{
struct batadv_tt_roam_node *node, *safe;
- spin_lock_bh(&bat_priv->tt_roam_list_lock);
- list_for_each_entry_safe(node, safe, &bat_priv->tt_roam_list, list) {
+ spin_lock_bh(&bat_priv->tt.roam_list_lock);
+ list_for_each_entry_safe(node, safe, &bat_priv->tt.roam_list, list) {
if (!batadv_has_timed_out(node->first_time,
BATADV_ROAMING_MAX_TIME))
continue;
list_del(&node->list);
kfree(node);
}
- spin_unlock_bh(&bat_priv->tt_roam_list_lock);
+ spin_unlock_bh(&bat_priv->tt.roam_list_lock);
}
/* This function checks whether the client already reached the
struct batadv_tt_roam_node *tt_roam_node;
bool ret = false;
- spin_lock_bh(&bat_priv->tt_roam_list_lock);
+ spin_lock_bh(&bat_priv->tt.roam_list_lock);
/* The new tt_req will be issued only if I'm not waiting for a
* reply from the same orig_node yet
*/
- list_for_each_entry(tt_roam_node, &bat_priv->tt_roam_list, list) {
+ list_for_each_entry(tt_roam_node, &bat_priv->tt.roam_list, list) {
if (!batadv_compare_eth(tt_roam_node->addr, client))
continue;
BATADV_ROAMING_MAX_COUNT - 1);
memcpy(tt_roam_node->addr, client, ETH_ALEN);
- list_add(&tt_roam_node->list, &bat_priv->tt_roam_list);
+ list_add(&tt_roam_node->list, &bat_priv->tt.roam_list);
ret = true;
}
unlock:
- spin_unlock_bh(&bat_priv->tt_roam_list_lock);
+ spin_unlock_bh(&bat_priv->tt.roam_list_lock);
return ret;
}
static void batadv_tt_purge(struct work_struct *work)
{
struct delayed_work *delayed_work;
+ struct batadv_priv_tt *priv_tt;
struct batadv_priv *bat_priv;
delayed_work = container_of(work, struct delayed_work, work);
- bat_priv = container_of(delayed_work, struct batadv_priv, tt_work);
+ priv_tt = container_of(delayed_work, struct batadv_priv_tt, work);
+ bat_priv = container_of(priv_tt, struct batadv_priv, tt);
batadv_tt_local_purge(bat_priv);
- batadv_tt_global_roam_purge(bat_priv);
+ batadv_tt_global_purge(bat_priv);
batadv_tt_req_purge(bat_priv);
batadv_tt_roam_purge(bat_priv);
void batadv_tt_free(struct batadv_priv *bat_priv)
{
- cancel_delayed_work_sync(&bat_priv->tt_work);
+ cancel_delayed_work_sync(&bat_priv->tt.work);
batadv_tt_local_table_free(bat_priv);
batadv_tt_global_table_free(bat_priv);
batadv_tt_changes_list_free(bat_priv);
batadv_tt_roam_list_free(bat_priv);
- kfree(bat_priv->tt_buff);
+ kfree(bat_priv->tt.last_changeset);
}
/* This function will enable or disable the specified flags for all the entries
/* Purge out all the tt local entries marked with BATADV_TT_CLIENT_PENDING */
static void batadv_tt_local_purge_pending_clients(struct batadv_priv *bat_priv)
{
- struct batadv_hashtable *hash = bat_priv->tt_local_hash;
+ struct batadv_hashtable *hash = bat_priv->tt.local_hash;
struct batadv_tt_common_entry *tt_common;
struct batadv_tt_local_entry *tt_local;
struct hlist_node *node, *node_tmp;
"Deleting local tt entry (%pM): pending\n",
tt_common->addr);
- atomic_dec(&bat_priv->num_local_tt);
+ atomic_dec(&bat_priv->tt.local_entry_num);
hlist_del_rcu(node);
tt_local = container_of(tt_common,
struct batadv_tt_local_entry,
{
uint16_t changed_num = 0;
- if (atomic_read(&bat_priv->tt_local_changes) < 1)
+ if (atomic_read(&bat_priv->tt.local_changes) < 1)
return -ENOENT;
- changed_num = batadv_tt_set_flags(bat_priv->tt_local_hash,
+ changed_num = batadv_tt_set_flags(bat_priv->tt.local_hash,
BATADV_TT_CLIENT_NEW, false);
/* all reset entries have to be counted as local entries */
- atomic_add(changed_num, &bat_priv->num_local_tt);
+ atomic_add(changed_num, &bat_priv->tt.local_entry_num);
batadv_tt_local_purge_pending_clients(bat_priv);
- bat_priv->tt_crc = batadv_tt_local_crc(bat_priv);
+ bat_priv->tt.local_crc = batadv_tt_local_crc(bat_priv);
/* Increment the TTVN only once per OGM interval */
- atomic_inc(&bat_priv->ttvn);
+ atomic_inc(&bat_priv->tt.vn);
batadv_dbg(BATADV_DBG_TT, bat_priv,
"Local changes committed, updating to ttvn %u\n",
- (uint8_t)atomic_read(&bat_priv->ttvn));
- bat_priv->tt_poss_change = false;
+ (uint8_t)atomic_read(&bat_priv->tt.vn));
+ bat_priv->tt.poss_change = false;
/* reset the sending counter */
- atomic_set(&bat_priv->tt_ogm_append_cnt, BATADV_TT_OGM_APPEND_MAX);
+ atomic_set(&bat_priv->tt.ogm_append_cnt, BATADV_TT_OGM_APPEND_MAX);
return batadv_tt_changes_fill_buff(bat_priv, packet_buff,
packet_buff_len, packet_min_len);
/* if the changes have been sent often enough */
if ((tt_num_changes < 0) &&
- (!batadv_atomic_dec_not_zero(&bat_priv->tt_ogm_append_cnt))) {
+ (!batadv_atomic_dec_not_zero(&bat_priv->tt.ogm_append_cnt))) {
batadv_tt_realloc_packet_buff(packet_buff, packet_buff_len,
packet_min_len, packet_min_len);
tt_num_changes = 0;
out:
return ret;
}
+
+bool batadv_tt_add_temporary_global_entry(struct batadv_priv *bat_priv,
+ struct batadv_orig_node *orig_node,
+ const unsigned char *addr)
+{
+ bool ret = false;
+
+ if (!batadv_tt_global_add(bat_priv, orig_node, addr,
+ BATADV_TT_CLIENT_TEMP,
+ atomic_read(&orig_node->last_ttvn)))
+ goto out;
+
+ batadv_dbg(BATADV_DBG_TT, bat_priv,
+ "Added temporary global client (addr: %pM orig: %pM)\n",
+ addr, orig_node->orig);
+ ret = true;
+out:
+ return ret;
+}
int packet_min_len);
bool batadv_tt_global_client_is_roaming(struct batadv_priv *bat_priv,
uint8_t *addr);
-
+bool batadv_tt_add_temporary_global_entry(struct batadv_priv *bat_priv,
+ struct batadv_orig_node *orig_node,
+ const unsigned char *addr);
#endif /* _NET_BATMAN_ADV_TRANSLATION_TABLE_H_ */
#endif
enum batadv_counters {
+ BATADV_CNT_TX,
+ BATADV_CNT_TX_BYTES,
+ BATADV_CNT_TX_DROPPED,
+ BATADV_CNT_RX,
+ BATADV_CNT_RX_BYTES,
BATADV_CNT_FORWARD,
BATADV_CNT_FORWARD_BYTES,
BATADV_CNT_MGMT_TX,
BATADV_CNT_NUM,
};
+/**
+ * struct batadv_priv_tt - per mesh interface translation table data
+ * @vn: translation table version number
+ * @local_changes: changes registered in an originator interval
+ * @poss_change: Detect an ongoing roaming phase. If true, then this node
+ * received a roaming_adv and has to inspect every packet directed to it to
+ * check whether it still is the true destination or not. This flag will be
+ * reset to false as soon as the this node's ttvn is increased
+ * @changes_list: tracks tt local changes within an originator interval
+ * @req_list: list of pending tt_requests
+ * @local_crc: Checksum of the local table, recomputed before sending a new OGM
+ */
+struct batadv_priv_tt {
+ atomic_t vn;
+ atomic_t ogm_append_cnt;
+ atomic_t local_changes;
+ bool poss_change;
+ struct list_head changes_list;
+ struct batadv_hashtable *local_hash;
+ struct batadv_hashtable *global_hash;
+ struct list_head req_list;
+ struct list_head roam_list;
+ spinlock_t changes_list_lock; /* protects changes */
+ spinlock_t req_list_lock; /* protects req_list */
+ spinlock_t roam_list_lock; /* protects roam_list */
+ atomic_t local_entry_num;
+ uint16_t local_crc;
+ unsigned char *last_changeset;
+ int16_t last_changeset_len;
+ spinlock_t last_changeset_lock; /* protects last_changeset */
+ struct delayed_work work;
+};
+
+#ifdef CONFIG_BATMAN_ADV_BLA
+struct batadv_priv_bla {
+ atomic_t num_requests; /* number of bla requests in flight */
+ struct batadv_hashtable *claim_hash;
+ struct batadv_hashtable *backbone_hash;
+ struct batadv_bcast_duplist_entry bcast_duplist[BATADV_DUPLIST_SIZE];
+ int bcast_duplist_curr;
+ struct batadv_bla_claim_dst claim_dest;
+ struct delayed_work work;
+};
+#endif
+
+struct batadv_priv_gw {
+ struct hlist_head list;
+ spinlock_t list_lock; /* protects gw_list and curr_gw */
+ struct batadv_gw_node __rcu *curr_gw; /* rcu protected pointer */
+ atomic_t reselect;
+};
+
+struct batadv_priv_vis {
+ struct list_head send_list;
+ struct batadv_hashtable *hash;
+ spinlock_t hash_lock; /* protects hash */
+ spinlock_t list_lock; /* protects info::recv_list */
+ struct delayed_work work;
+ struct batadv_vis_info *my_info;
+};
+
struct batadv_priv {
atomic_t mesh_state;
struct net_device_stats stats;
atomic_t bcast_seqno;
atomic_t bcast_queue_left;
atomic_t batman_queue_left;
- atomic_t ttvn; /* translation table version number */
- atomic_t tt_ogm_append_cnt;
- atomic_t tt_local_changes; /* changes registered in a OGM interval */
- atomic_t bla_num_requests; /* number of bla requests in flight */
- /* The tt_poss_change flag is used to detect an ongoing roaming phase.
- * If true, then I received a Roaming_adv and I have to inspect every
- * packet directed to me to check whether I am still the true
- * destination or not. This flag will be reset to false as soon as I
- * increase my TTVN
- */
- bool tt_poss_change;
char num_ifaces;
struct batadv_debug_log *debug_log;
struct kobject *mesh_obj;
struct dentry *debug_dir;
struct hlist_head forw_bat_list;
struct hlist_head forw_bcast_list;
- struct hlist_head gw_list;
- struct list_head tt_changes_list; /* tracks changes in a OGM int */
- struct list_head vis_send_list;
struct batadv_hashtable *orig_hash;
- struct batadv_hashtable *tt_local_hash;
- struct batadv_hashtable *tt_global_hash;
-#ifdef CONFIG_BATMAN_ADV_BLA
- struct batadv_hashtable *claim_hash;
- struct batadv_hashtable *backbone_hash;
-#endif
- struct list_head tt_req_list; /* list of pending tt_requests */
- struct list_head tt_roam_list;
- struct batadv_hashtable *vis_hash;
-#ifdef CONFIG_BATMAN_ADV_BLA
- struct batadv_bcast_duplist_entry bcast_duplist[BATADV_DUPLIST_SIZE];
- int bcast_duplist_curr;
- struct batadv_bla_claim_dst claim_dest;
-#endif
spinlock_t forw_bat_list_lock; /* protects forw_bat_list */
spinlock_t forw_bcast_list_lock; /* protects */
- spinlock_t tt_changes_list_lock; /* protects tt_changes */
- spinlock_t tt_req_list_lock; /* protects tt_req_list */
- spinlock_t tt_roam_list_lock; /* protects tt_roam_list */
- spinlock_t gw_list_lock; /* protects gw_list and curr_gw */
- spinlock_t vis_hash_lock; /* protects vis_hash */
- spinlock_t vis_list_lock; /* protects vis_info::recv_list */
- atomic_t num_local_tt;
- /* Checksum of the local table, recomputed before sending a new OGM */
- uint16_t tt_crc;
- unsigned char *tt_buff;
- int16_t tt_buff_len;
- spinlock_t tt_buff_lock; /* protects tt_buff */
- struct delayed_work tt_work;
struct delayed_work orig_work;
- struct delayed_work vis_work;
- struct delayed_work bla_work;
- struct batadv_gw_node __rcu *curr_gw; /* rcu protected pointer */
- atomic_t gw_reselect;
struct batadv_hard_iface __rcu *primary_if; /* rcu protected pointer */
- struct batadv_vis_info *my_vis_info;
struct batadv_algo_ops *bat_algo_ops;
+#ifdef CONFIG_BATMAN_ADV_BLA
+ struct batadv_priv_bla bla;
+#endif
+ struct batadv_priv_gw gw;
+ struct batadv_priv_tt tt;
+ struct batadv_priv_vis vis;
};
struct batadv_socket_client {
uint8_t addr[ETH_ALEN];
struct hlist_node hash_entry;
uint16_t flags;
+ unsigned long added_at;
atomic_t refcount;
struct rcu_head rcu;
};
struct batadv_tt_orig_list_entry {
struct batadv_orig_node *orig_node;
uint8_t ttvn;
+ atomic_t refcount;
struct rcu_head rcu;
struct hlist_node list;
};
struct batadv_unicast_packet *unicast_packet;
int hdr_len = sizeof(*unicast_packet);
int uni_diff = sizeof(*up) - hdr_len;
+ uint8_t *packet_pos;
up = (struct batadv_unicast_frag_packet *)skb->data;
/* set skb to the first part and tmp_skb to the second part */
kfree_skb(tmp_skb);
memmove(skb->data + uni_diff, skb->data, hdr_len);
- unicast_packet = (struct batadv_unicast_packet *)skb_pull(skb,
- uni_diff);
+ packet_pos = skb_pull(skb, uni_diff);
+ unicast_packet = (struct batadv_unicast_packet *)packet_pos;
unicast_packet->header.packet_type = BATADV_UNICAST;
return skb;
{
struct batadv_frag_packet_list_entry *tfp;
struct batadv_unicast_frag_packet *tmp_up = NULL;
+ int is_head_tmp, is_head;
uint16_t search_seqno;
if (up->flags & BATADV_UNI_FRAG_HEAD)
else
search_seqno = ntohs(up->seqno)-1;
+ is_head = !!(up->flags & BATADV_UNI_FRAG_HEAD);
+
list_for_each_entry(tfp, head, list) {
if (!tfp->skb)
tmp_up = (struct batadv_unicast_frag_packet *)tfp->skb->data;
if (tfp->seqno == search_seqno) {
-
- if ((tmp_up->flags & BATADV_UNI_FRAG_HEAD) !=
- (up->flags & BATADV_UNI_FRAG_HEAD))
+ is_head_tmp = !!(tmp_up->flags & BATADV_UNI_FRAG_HEAD);
+ if (is_head_tmp != is_head)
return tfp;
else
goto mov_tail;
/* copy the destination for faster routing */
memcpy(unicast_packet->dest, orig_node->orig, ETH_ALEN);
/* set the destination tt version number */
- unicast_packet->ttvn =
- (uint8_t)atomic_read(&orig_node->last_ttvn);
+ unicast_packet->ttvn = (uint8_t)atomic_read(&orig_node->last_ttvn);
/* inform the destination node that we are still missing a correct route
* for this client. The destination will receive this packet and will
bat_priv = info->bat_priv;
list_del_init(&info->send_list);
- spin_lock_bh(&bat_priv->vis_list_lock);
+ spin_lock_bh(&bat_priv->vis.list_lock);
list_for_each_entry_safe(entry, tmp, &info->recv_list, list) {
list_del(&entry->list);
kfree(entry);
}
- spin_unlock_bh(&bat_priv->vis_list_lock);
+ spin_unlock_bh(&bat_priv->vis.list_lock);
kfree_skb(info->skb_packet);
kfree(info);
}
static struct batadv_vis_info *
batadv_vis_hash_find(struct batadv_priv *bat_priv, const void *data)
{
- struct batadv_hashtable *hash = bat_priv->vis_hash;
+ struct batadv_hashtable *hash = bat_priv->vis.hash;
struct hlist_head *head;
struct hlist_node *node;
struct batadv_vis_info *vis_info, *vis_info_tmp = NULL;
struct hlist_head *head;
struct net_device *net_dev = (struct net_device *)seq->private;
struct batadv_priv *bat_priv = netdev_priv(net_dev);
- struct batadv_hashtable *hash = bat_priv->vis_hash;
+ struct batadv_hashtable *hash = bat_priv->vis.hash;
uint32_t i;
int ret = 0;
int vis_server = atomic_read(&bat_priv->vis_mode);
if (vis_server == BATADV_VIS_TYPE_CLIENT_UPDATE)
goto out;
- spin_lock_bh(&bat_priv->vis_hash_lock);
+ spin_lock_bh(&bat_priv->vis.hash_lock);
for (i = 0; i < hash->size; i++) {
head = &hash->table[i];
batadv_vis_seq_print_text_bucket(seq, head);
}
- spin_unlock_bh(&bat_priv->vis_hash_lock);
+ spin_unlock_bh(&bat_priv->vis.hash_lock);
out:
if (primary_if)
{
if (list_empty(&info->send_list)) {
kref_get(&info->refcount);
- list_add_tail(&info->send_list, &bat_priv->vis_send_list);
+ list_add_tail(&info->send_list, &bat_priv->vis.send_list);
}
}
return;
memcpy(entry->mac, mac, ETH_ALEN);
- spin_lock_bh(&bat_priv->vis_list_lock);
+ spin_lock_bh(&bat_priv->vis.list_lock);
list_add_tail(&entry->list, recv_list);
- spin_unlock_bh(&bat_priv->vis_list_lock);
+ spin_unlock_bh(&bat_priv->vis.list_lock);
}
/* returns 1 if this mac is in the recv_list */
{
const struct batadv_recvlist_node *entry;
- spin_lock_bh(&bat_priv->vis_list_lock);
+ spin_lock_bh(&bat_priv->vis.list_lock);
list_for_each_entry(entry, recv_list, list) {
if (batadv_compare_eth(entry->mac, mac)) {
- spin_unlock_bh(&bat_priv->vis_list_lock);
+ spin_unlock_bh(&bat_priv->vis.list_lock);
return 1;
}
}
- spin_unlock_bh(&bat_priv->vis_list_lock);
+ spin_unlock_bh(&bat_priv->vis.list_lock);
return 0;
}
*is_new = 0;
/* sanity check */
- if (!bat_priv->vis_hash)
+ if (!bat_priv->vis.hash)
return NULL;
/* see if the packet is already in vis_hash */
}
}
/* remove old entry */
- batadv_hash_remove(bat_priv->vis_hash, batadv_vis_info_cmp,
+ batadv_hash_remove(bat_priv->vis.hash, batadv_vis_info_cmp,
batadv_vis_info_choose, old_info);
batadv_send_list_del(old_info);
kref_put(&old_info->refcount, batadv_free_info);
batadv_recv_list_add(bat_priv, &info->recv_list, packet->sender_orig);
/* try to add it */
- hash_added = batadv_hash_add(bat_priv->vis_hash, batadv_vis_info_cmp,
+ hash_added = batadv_hash_add(bat_priv->vis.hash, batadv_vis_info_cmp,
batadv_vis_info_choose, info,
&info->hash_entry);
if (hash_added != 0) {
make_broadcast = (vis_server == BATADV_VIS_TYPE_SERVER_SYNC);
- spin_lock_bh(&bat_priv->vis_hash_lock);
+ spin_lock_bh(&bat_priv->vis.hash_lock);
info = batadv_add_packet(bat_priv, vis_packet, vis_info_len,
&is_new, make_broadcast);
if (!info)
if (vis_server == BATADV_VIS_TYPE_SERVER_SYNC && is_new)
batadv_send_list_add(bat_priv, info);
end:
- spin_unlock_bh(&bat_priv->vis_hash_lock);
+ spin_unlock_bh(&bat_priv->vis.hash_lock);
}
/* handle an incoming client update packet and schedule forward if needed. */
batadv_is_my_mac(vis_packet->target_orig))
are_target = 1;
- spin_lock_bh(&bat_priv->vis_hash_lock);
+ spin_lock_bh(&bat_priv->vis.hash_lock);
info = batadv_add_packet(bat_priv, vis_packet, vis_info_len,
&is_new, are_target);
}
end:
- spin_unlock_bh(&bat_priv->vis_hash_lock);
+ spin_unlock_bh(&bat_priv->vis.hash_lock);
}
/* Walk the originators and find the VIS server with the best tq. Set the packet
struct hlist_head *head;
struct batadv_orig_node *orig_node;
struct batadv_neigh_node *router;
- struct batadv_vis_info *info = bat_priv->my_vis_info;
+ struct batadv_vis_info *info = bat_priv->vis.my_info;
struct batadv_vis_packet *packet;
struct batadv_vis_info_entry *entry;
struct batadv_tt_common_entry *tt_common_entry;
+ uint8_t *packet_pos;
int best_tq = -1;
uint32_t i;
goto next;
/* fill one entry into buffer. */
- entry = (struct batadv_vis_info_entry *)
- skb_put(info->skb_packet, sizeof(*entry));
+ packet_pos = skb_put(info->skb_packet, sizeof(*entry));
+ entry = (struct batadv_vis_info_entry *)packet_pos;
memcpy(entry->src,
router->if_incoming->net_dev->dev_addr,
ETH_ALEN);
rcu_read_unlock();
}
- hash = bat_priv->tt_local_hash;
+ hash = bat_priv->tt.local_hash;
for (i = 0; i < hash->size; i++) {
head = &hash->table[i];
rcu_read_lock();
hlist_for_each_entry_rcu(tt_common_entry, node, head,
hash_entry) {
- entry = (struct batadv_vis_info_entry *)
- skb_put(info->skb_packet,
- sizeof(*entry));
+ packet_pos = skb_put(info->skb_packet, sizeof(*entry));
+ entry = (struct batadv_vis_info_entry *)packet_pos;
memset(entry->src, 0, ETH_ALEN);
memcpy(entry->dest, tt_common_entry->addr, ETH_ALEN);
entry->quality = 0; /* 0 means TT */
static void batadv_purge_vis_packets(struct batadv_priv *bat_priv)
{
uint32_t i;
- struct batadv_hashtable *hash = bat_priv->vis_hash;
+ struct batadv_hashtable *hash = bat_priv->vis.hash;
struct hlist_node *node, *node_tmp;
struct hlist_head *head;
struct batadv_vis_info *info;
hlist_for_each_entry_safe(info, node, node_tmp,
head, hash_entry) {
/* never purge own data. */
- if (info == bat_priv->my_vis_info)
+ if (info == bat_priv->vis.my_info)
continue;
if (batadv_has_timed_out(info->first_seen,
/* called from timer; send (and maybe generate) vis packet. */
static void batadv_send_vis_packets(struct work_struct *work)
{
- struct delayed_work *delayed_work =
- container_of(work, struct delayed_work, work);
+ struct delayed_work *delayed_work;
struct batadv_priv *bat_priv;
+ struct batadv_priv_vis *priv_vis;
struct batadv_vis_info *info;
- bat_priv = container_of(delayed_work, struct batadv_priv, vis_work);
- spin_lock_bh(&bat_priv->vis_hash_lock);
+ delayed_work = container_of(work, struct delayed_work, work);
+ priv_vis = container_of(delayed_work, struct batadv_priv_vis, work);
+ bat_priv = container_of(priv_vis, struct batadv_priv, vis);
+ spin_lock_bh(&bat_priv->vis.hash_lock);
batadv_purge_vis_packets(bat_priv);
if (batadv_generate_vis_packet(bat_priv) == 0) {
/* schedule if generation was successful */
- batadv_send_list_add(bat_priv, bat_priv->my_vis_info);
+ batadv_send_list_add(bat_priv, bat_priv->vis.my_info);
}
- while (!list_empty(&bat_priv->vis_send_list)) {
- info = list_first_entry(&bat_priv->vis_send_list,
+ while (!list_empty(&bat_priv->vis.send_list)) {
+ info = list_first_entry(&bat_priv->vis.send_list,
typeof(*info), send_list);
kref_get(&info->refcount);
- spin_unlock_bh(&bat_priv->vis_hash_lock);
+ spin_unlock_bh(&bat_priv->vis.hash_lock);
batadv_send_vis_packet(bat_priv, info);
- spin_lock_bh(&bat_priv->vis_hash_lock);
+ spin_lock_bh(&bat_priv->vis.hash_lock);
batadv_send_list_del(info);
kref_put(&info->refcount, batadv_free_info);
}
- spin_unlock_bh(&bat_priv->vis_hash_lock);
+ spin_unlock_bh(&bat_priv->vis.hash_lock);
batadv_start_vis_timer(bat_priv);
}
unsigned long first_seen;
struct sk_buff *tmp_skb;
- if (bat_priv->vis_hash)
+ if (bat_priv->vis.hash)
return 0;
- spin_lock_bh(&bat_priv->vis_hash_lock);
+ spin_lock_bh(&bat_priv->vis.hash_lock);
- bat_priv->vis_hash = batadv_hash_new(256);
- if (!bat_priv->vis_hash) {
+ bat_priv->vis.hash = batadv_hash_new(256);
+ if (!bat_priv->vis.hash) {
pr_err("Can't initialize vis_hash\n");
goto err;
}
- bat_priv->my_vis_info = kmalloc(BATADV_MAX_VIS_PACKET_SIZE, GFP_ATOMIC);
- if (!bat_priv->my_vis_info)
+ bat_priv->vis.my_info = kmalloc(BATADV_MAX_VIS_PACKET_SIZE, GFP_ATOMIC);
+ if (!bat_priv->vis.my_info)
goto err;
len = sizeof(*packet) + BATADV_MAX_VIS_PACKET_SIZE + ETH_HLEN;
- bat_priv->my_vis_info->skb_packet = dev_alloc_skb(len);
- if (!bat_priv->my_vis_info->skb_packet)
+ bat_priv->vis.my_info->skb_packet = dev_alloc_skb(len);
+ if (!bat_priv->vis.my_info->skb_packet)
goto free_info;
- skb_reserve(bat_priv->my_vis_info->skb_packet, ETH_HLEN);
- tmp_skb = bat_priv->my_vis_info->skb_packet;
+ skb_reserve(bat_priv->vis.my_info->skb_packet, ETH_HLEN);
+ tmp_skb = bat_priv->vis.my_info->skb_packet;
packet = (struct batadv_vis_packet *)skb_put(tmp_skb, sizeof(*packet));
/* prefill the vis info */
first_seen = jiffies - msecs_to_jiffies(BATADV_VIS_INTERVAL);
- bat_priv->my_vis_info->first_seen = first_seen;
- INIT_LIST_HEAD(&bat_priv->my_vis_info->recv_list);
- INIT_LIST_HEAD(&bat_priv->my_vis_info->send_list);
- kref_init(&bat_priv->my_vis_info->refcount);
- bat_priv->my_vis_info->bat_priv = bat_priv;
+ bat_priv->vis.my_info->first_seen = first_seen;
+ INIT_LIST_HEAD(&bat_priv->vis.my_info->recv_list);
+ INIT_LIST_HEAD(&bat_priv->vis.my_info->send_list);
+ kref_init(&bat_priv->vis.my_info->refcount);
+ bat_priv->vis.my_info->bat_priv = bat_priv;
packet->header.version = BATADV_COMPAT_VERSION;
packet->header.packet_type = BATADV_VIS;
packet->header.ttl = BATADV_TTL;
packet->reserved = 0;
packet->entries = 0;
- INIT_LIST_HEAD(&bat_priv->vis_send_list);
+ INIT_LIST_HEAD(&bat_priv->vis.send_list);
- hash_added = batadv_hash_add(bat_priv->vis_hash, batadv_vis_info_cmp,
+ hash_added = batadv_hash_add(bat_priv->vis.hash, batadv_vis_info_cmp,
batadv_vis_info_choose,
- bat_priv->my_vis_info,
- &bat_priv->my_vis_info->hash_entry);
+ bat_priv->vis.my_info,
+ &bat_priv->vis.my_info->hash_entry);
if (hash_added != 0) {
pr_err("Can't add own vis packet into hash\n");
/* not in hash, need to remove it manually. */
- kref_put(&bat_priv->my_vis_info->refcount, batadv_free_info);
+ kref_put(&bat_priv->vis.my_info->refcount, batadv_free_info);
goto err;
}
- spin_unlock_bh(&bat_priv->vis_hash_lock);
+ spin_unlock_bh(&bat_priv->vis.hash_lock);
batadv_start_vis_timer(bat_priv);
return 0;
free_info:
- kfree(bat_priv->my_vis_info);
- bat_priv->my_vis_info = NULL;
+ kfree(bat_priv->vis.my_info);
+ bat_priv->vis.my_info = NULL;
err:
- spin_unlock_bh(&bat_priv->vis_hash_lock);
+ spin_unlock_bh(&bat_priv->vis.hash_lock);
batadv_vis_quit(bat_priv);
return -ENOMEM;
}
/* shutdown vis-server */
void batadv_vis_quit(struct batadv_priv *bat_priv)
{
- if (!bat_priv->vis_hash)
+ if (!bat_priv->vis.hash)
return;
- cancel_delayed_work_sync(&bat_priv->vis_work);
+ cancel_delayed_work_sync(&bat_priv->vis.work);
- spin_lock_bh(&bat_priv->vis_hash_lock);
+ spin_lock_bh(&bat_priv->vis.hash_lock);
/* properly remove, kill timers ... */
- batadv_hash_delete(bat_priv->vis_hash, batadv_free_info_ref, NULL);
- bat_priv->vis_hash = NULL;
- bat_priv->my_vis_info = NULL;
- spin_unlock_bh(&bat_priv->vis_hash_lock);
+ batadv_hash_delete(bat_priv->vis.hash, batadv_free_info_ref, NULL);
+ bat_priv->vis.hash = NULL;
+ bat_priv->vis.my_info = NULL;
+ spin_unlock_bh(&bat_priv->vis.hash_lock);
}
/* schedule packets for (re)transmission */
static void batadv_start_vis_timer(struct batadv_priv *bat_priv)
{
- INIT_DELAYED_WORK(&bat_priv->vis_work, batadv_send_vis_packets);
- queue_delayed_work(batadv_event_workqueue, &bat_priv->vis_work,
+ INIT_DELAYED_WORK(&bat_priv->vis.work, batadv_send_vis_packets);
+ queue_delayed_work(batadv_event_workqueue, &bat_priv->vis.work,
msecs_to_jiffies(BATADV_VIS_INTERVAL));
}
#ifndef _NET_BATMAN_ADV_VIS_H_
#define _NET_BATMAN_ADV_VIS_H_
-/* timeout of vis packets in miliseconds */
+/* timeout of vis packets in milliseconds */
#define BATADV_VIS_TIMEOUT 200000
int batadv_vis_seq_print_text(struct seq_file *seq, void *offset);
static inline int a2mp_cmd_rsp(struct amp_mgr *mgr, struct sk_buff *skb,
struct a2mp_cmd *hdr)
{
- BT_DBG("ident %d code %d", hdr->ident, hdr->code);
+ BT_DBG("ident %d code 0x%2.2x", hdr->ident, hdr->code);
skb_pull(skb, le16_to_cpu(hdr->len));
return 0;
/* Handle A2MP signalling */
static int a2mp_chan_recv_cb(struct l2cap_chan *chan, struct sk_buff *skb)
{
- struct a2mp_cmd *hdr = (void *) skb->data;
+ struct a2mp_cmd *hdr;
struct amp_mgr *mgr = chan->data;
int err = 0;
amp_mgr_get(mgr);
while (skb->len >= sizeof(*hdr)) {
- struct a2mp_cmd *hdr = (void *) skb->data;
- u16 len = le16_to_cpu(hdr->len);
+ u16 len;
- BT_DBG("code 0x%02x id %d len %d", hdr->code, hdr->ident, len);
+ hdr = (void *) skb->data;
+ len = le16_to_cpu(hdr->len);
+
+ BT_DBG("code 0x%2.2x id %d len %u", hdr->code, hdr->ident, len);
skb_pull(skb, sizeof(*hdr));
if (err) {
struct a2mp_cmd_rej rej;
+
rej.reason = __constant_cpu_to_le16(0);
+ hdr = (void *) skb->data;
BT_DBG("Send A2MP Rej: cmd 0x%2.2x err %d", hdr->code, err);
static void a2mp_chan_close_cb(struct l2cap_chan *chan)
{
- l2cap_chan_destroy(chan);
+ l2cap_chan_put(chan);
}
static void a2mp_chan_state_change_cb(struct l2cap_chan *chan, int state)
#include <asm/ioctls.h>
#include <net/bluetooth/bluetooth.h>
+#include <linux/proc_fs.h>
#define VERSION "2.16"
}
EXPORT_SYMBOL(bt_sock_wait_state);
+#ifdef CONFIG_PROC_FS
+struct bt_seq_state {
+ struct bt_sock_list *l;
+};
+
+static void *bt_seq_start(struct seq_file *seq, loff_t *pos)
+ __acquires(seq->private->l->lock)
+{
+ struct bt_seq_state *s = seq->private;
+ struct bt_sock_list *l = s->l;
+
+ read_lock(&l->lock);
+ return seq_hlist_start_head(&l->head, *pos);
+}
+
+static void *bt_seq_next(struct seq_file *seq, void *v, loff_t *pos)
+{
+ struct bt_seq_state *s = seq->private;
+ struct bt_sock_list *l = s->l;
+
+ return seq_hlist_next(v, &l->head, pos);
+}
+
+static void bt_seq_stop(struct seq_file *seq, void *v)
+ __releases(seq->private->l->lock)
+{
+ struct bt_seq_state *s = seq->private;
+ struct bt_sock_list *l = s->l;
+
+ read_unlock(&l->lock);
+}
+
+static int bt_seq_show(struct seq_file *seq, void *v)
+{
+ struct sock *sk;
+ struct bt_sock *bt;
+ struct bt_seq_state *s = seq->private;
+ struct bt_sock_list *l = s->l;
+ bdaddr_t src_baswapped, dst_baswapped;
+
+ if (v == SEQ_START_TOKEN) {
+ seq_puts(seq ,"sk RefCnt Rmem Wmem User Inode Src Dst Parent");
+
+ if (l->custom_seq_show) {
+ seq_putc(seq, ' ');
+ l->custom_seq_show(seq, v);
+ }
+
+ seq_putc(seq, '\n');
+ } else {
+ sk = sk_entry(v);
+ bt = bt_sk(sk);
+ baswap(&src_baswapped, &bt->src);
+ baswap(&dst_baswapped, &bt->dst);
+
+ seq_printf(seq, "%pK %-6d %-6u %-6u %-6u %-6lu %pM %pM %-6lu",
+ sk,
+ atomic_read(&sk->sk_refcnt),
+ sk_rmem_alloc_get(sk),
+ sk_wmem_alloc_get(sk),
+ sock_i_uid(sk),
+ sock_i_ino(sk),
+ &src_baswapped,
+ &dst_baswapped,
+ bt->parent? sock_i_ino(bt->parent): 0LU);
+
+ if (l->custom_seq_show) {
+ seq_putc(seq, ' ');
+ l->custom_seq_show(seq, v);
+ }
+
+ seq_putc(seq, '\n');
+ }
+ return 0;
+}
+
+static struct seq_operations bt_seq_ops = {
+ .start = bt_seq_start,
+ .next = bt_seq_next,
+ .stop = bt_seq_stop,
+ .show = bt_seq_show,
+};
+
+static int bt_seq_open(struct inode *inode, struct file *file)
+{
+ struct bt_sock_list *sk_list;
+ struct bt_seq_state *s;
+
+ sk_list = PDE(inode)->data;
+ s = __seq_open_private(file, &bt_seq_ops,
+ sizeof(struct bt_seq_state));
+ if (s == NULL)
+ return -ENOMEM;
+
+ s->l = sk_list;
+ return 0;
+}
+
+int bt_procfs_init(struct module* module, struct net *net, const char *name,
+ struct bt_sock_list* sk_list,
+ int (* seq_show)(struct seq_file *, void *))
+{
+ struct proc_dir_entry * pde;
+
+ sk_list->custom_seq_show = seq_show;
+
+ sk_list->fops.owner = module;
+ sk_list->fops.open = bt_seq_open;
+ sk_list->fops.read = seq_read;
+ sk_list->fops.llseek = seq_lseek;
+ sk_list->fops.release = seq_release_private;
+
+ pde = proc_net_fops_create(net, name, 0, &sk_list->fops);
+ if (pde == NULL)
+ return -ENOMEM;
+
+ pde->data = sk_list;
+
+ return 0;
+}
+
+void bt_procfs_cleanup(struct net *net, const char *name)
+{
+ proc_net_remove(net, name);
+}
+#else
+int bt_procfs_init(struct module* module, struct net *net, const char *name,
+ struct bt_sock_list* sk_list,
+ int (* seq_show)(struct seq_file *, void *))
+{
+ return 0;
+}
+
+void bt_procfs_cleanup(struct net *net, const char *name)
+{
+}
+#endif
+EXPORT_SYMBOL(bt_procfs_init);
+EXPORT_SYMBOL(bt_procfs_cleanup);
+
static struct net_proto_family bt_sock_family_ops = {
.owner = THIS_MODULE,
.family = PF_BLUETOOTH,
#include "bnep.h"
+static struct bt_sock_list bnep_sk_list = {
+ .lock = __RW_LOCK_UNLOCKED(bnep_sk_list.lock)
+};
+
static int bnep_sock_release(struct socket *sock)
{
struct sock *sk = sock->sk;
if (!sk)
return 0;
+ bt_sock_unlink(&bnep_sk_list, sk);
+
sock_orphan(sk);
sock_put(sk);
return 0;
sk->sk_protocol = protocol;
sk->sk_state = BT_OPEN;
+ bt_sock_link(&bnep_sk_list, sk);
return 0;
}
return err;
err = bt_sock_register(BTPROTO_BNEP, &bnep_sock_family_ops);
- if (err < 0)
+ if (err < 0) {
+ BT_ERR("Can't register BNEP socket");
goto error;
+ }
+
+ err = bt_procfs_init(THIS_MODULE, &init_net, "bnep", &bnep_sk_list, NULL);
+ if (err < 0) {
+ BT_ERR("Failed to create BNEP proc file");
+ bt_sock_unregister(BTPROTO_BNEP);
+ goto error;
+ }
+
+ BT_INFO("BNEP socket layer initialized");
return 0;
error:
- BT_ERR("Can't register BNEP socket");
proto_unregister(&bnep_proto);
return err;
}
void __exit bnep_sock_cleanup(void)
{
+ bt_procfs_cleanup(&init_net, "bnep");
if (bt_sock_unregister(BTPROTO_BNEP) < 0)
BT_ERR("Can't unregister BNEP socket");
#include "cmtp.h"
+static struct bt_sock_list cmtp_sk_list = {
+ .lock = __RW_LOCK_UNLOCKED(cmtp_sk_list.lock)
+};
+
static int cmtp_sock_release(struct socket *sock)
{
struct sock *sk = sock->sk;
if (!sk)
return 0;
+ bt_sock_unlink(&cmtp_sk_list, sk);
+
sock_orphan(sk);
sock_put(sk);
sk->sk_protocol = protocol;
sk->sk_state = BT_OPEN;
+ bt_sock_link(&cmtp_sk_list, sk);
+
return 0;
}
return err;
err = bt_sock_register(BTPROTO_CMTP, &cmtp_sock_family_ops);
- if (err < 0)
+ if (err < 0) {
+ BT_ERR("Can't register CMTP socket");
goto error;
+ }
+
+ err = bt_procfs_init(THIS_MODULE, &init_net, "cmtp", &cmtp_sk_list, NULL);
+ if (err < 0) {
+ BT_ERR("Failed to create CMTP proc file");
+ bt_sock_unregister(BTPROTO_HIDP);
+ goto error;
+ }
+
+ BT_INFO("CMTP socket layer initialized");
return 0;
error:
- BT_ERR("Can't register CMTP socket");
proto_unregister(&cmtp_proto);
return err;
}
void cmtp_cleanup_sockets(void)
{
+ bt_procfs_cleanup(&init_net, "cmtp");
if (bt_sock_unregister(BTPROTO_CMTP) < 0)
BT_ERR("Can't unregister CMTP socket");
hci_dev_hold(hdev);
set_bit(HCI_UP, &hdev->flags);
hci_notify(hdev, HCI_DEV_UP);
- if (!test_bit(HCI_SETUP, &hdev->dev_flags)) {
+ if (!test_bit(HCI_SETUP, &hdev->dev_flags) &&
+ mgmt_valid_hdev(hdev)) {
hci_dev_lock(hdev);
mgmt_powered(hdev, 1);
hci_dev_unlock(hdev);
* and no tasks are scheduled. */
hdev->close(hdev);
- if (!test_and_clear_bit(HCI_AUTO_OFF, &hdev->dev_flags)) {
+ if (!test_and_clear_bit(HCI_AUTO_OFF, &hdev->dev_flags) &&
+ mgmt_valid_hdev(hdev)) {
hci_dev_lock(hdev);
mgmt_powered(hdev, 0);
hci_dev_unlock(hdev);
if (hdev->features[3] & LMP_RSSI_INQ)
events[4] |= 0x02; /* Inquiry Result with RSSI */
- if (hdev->features[5] & LMP_SNIFF_SUBR)
+ if (lmp_sniffsubr_capable(hdev))
events[5] |= 0x20; /* Sniff Subrating */
if (hdev->features[5] & LMP_PAUSE_ENC)
if (hdev->features[6] & LMP_EXT_INQ)
events[5] |= 0x40; /* Extended Inquiry Result */
- if (hdev->features[6] & LMP_NO_FLUSH)
+ if (lmp_no_flush_capable(hdev))
events[7] |= 0x01; /* Enhanced Flush Complete */
if (hdev->features[7] & LMP_LSTO)
events[6] |= 0x80; /* Link Supervision Timeout Changed */
- if (hdev->features[6] & LMP_SIMPLE_PAIR) {
+ if (lmp_ssp_capable(hdev)) {
events[6] |= 0x01; /* IO Capability Request */
events[6] |= 0x02; /* IO Capability Response */
events[6] |= 0x04; /* User Confirmation Request */
* Features Notification */
}
- if (hdev->features[4] & LMP_LE)
+ if (lmp_le_capable(hdev))
events[7] |= 0x20; /* LE Meta-Event */
hci_send_cmd(hdev, HCI_OP_SET_EVENT_MASK, sizeof(events), events);
struct hci_cp_write_def_link_policy cp;
u16 link_policy = 0;
- if (hdev->features[0] & LMP_RSWITCH)
+ if (lmp_rswitch_capable(hdev))
link_policy |= HCI_LP_RSWITCH;
if (hdev->features[0] & LMP_HOLD)
link_policy |= HCI_LP_HOLD;
- if (hdev->features[0] & LMP_SNIFF)
+ if (lmp_sniff_capable(hdev))
link_policy |= HCI_LP_SNIFF;
if (hdev->features[1] & LMP_PARK)
link_policy |= HCI_LP_PARK;
hdev->esco_type |= (ESCO_HV3);
}
- if (hdev->features[3] & LMP_ESCO)
+ if (lmp_esco_capable(hdev))
hdev->esco_type |= (ESCO_EV3);
if (hdev->features[4] & LMP_EV4)
break;
}
- if (test_bit(HCI_INIT, &hdev->flags) && hdev->features[4] & LMP_LE)
+ if (test_bit(HCI_INIT, &hdev->flags) && lmp_le_capable(hdev))
hci_set_le_support(hdev);
done:
static void hci_cs_le_create_conn(struct hci_dev *hdev, __u8 status)
{
- struct hci_cp_le_create_conn *cp;
struct hci_conn *conn;
BT_DBG("%s status 0x%2.2x", hdev->name, status);
- cp = hci_sent_cmd_data(hdev, HCI_OP_LE_CREATE_CONN);
- if (!cp)
- return;
+ if (status) {
+ hci_dev_lock(hdev);
- hci_dev_lock(hdev);
+ conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
+ if (!conn) {
+ hci_dev_unlock(hdev);
+ return;
+ }
- conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->peer_addr);
+ BT_DBG("%s bdaddr %s conn %p", hdev->name, batostr(&conn->dst),
+ conn);
- BT_DBG("%s bdaddr %s conn %p", hdev->name, batostr(&cp->peer_addr),
- conn);
+ conn->state = BT_CLOSED;
+ mgmt_connect_failed(hdev, &conn->dst, conn->type,
+ conn->dst_type, status);
+ hci_proto_connect_cfm(conn, status);
+ hci_conn_del(conn);
- if (status) {
- if (conn && conn->state == BT_CONNECT) {
- conn->state = BT_CLOSED;
- mgmt_connect_failed(hdev, &cp->peer_addr, conn->type,
- conn->dst_type, status);
- hci_proto_connect_cfm(conn, status);
- hci_conn_del(conn);
- }
- } else {
- if (!conn) {
- conn = hci_conn_add(hdev, LE_LINK, &cp->peer_addr);
- if (conn) {
- conn->dst_type = cp->peer_addr_type;
- conn->out = true;
- } else {
- BT_ERR("No memory for new connection");
- }
- }
+ hci_dev_unlock(hdev);
}
-
- hci_dev_unlock(hdev);
}
static void hci_cs_le_start_enc(struct hci_dev *hdev, u8 status)
BT_DBG("%s", hdev->name);
- hci_dev_lock(hdev);
-
if (test_bit(HCI_MGMT, &hdev->dev_flags))
mgmt_user_passkey_request(hdev, &ev->bdaddr, ACL_LINK, 0);
-
- hci_dev_unlock(hdev);
}
static void hci_simple_pair_complete_evt(struct hci_dev *hdev,
hci_dev_lock(hdev);
- if (ev->status) {
- conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
- if (!conn)
+ conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
+ if (!conn) {
+ conn = hci_conn_add(hdev, LE_LINK, &ev->bdaddr);
+ if (!conn) {
+ BT_ERR("No memory for new connection");
goto unlock;
+ }
+ conn->dst_type = ev->bdaddr_type;
+
+ if (ev->role == LE_CONN_ROLE_MASTER) {
+ conn->out = true;
+ conn->link_mode |= HCI_LM_MASTER;
+ }
+ }
+
+ if (ev->status) {
mgmt_connect_failed(hdev, &conn->dst, conn->type,
conn->dst_type, ev->status);
hci_proto_connect_cfm(conn, ev->status);
goto unlock;
}
- conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &ev->bdaddr);
- if (!conn) {
- conn = hci_conn_add(hdev, LE_LINK, &ev->bdaddr);
- if (!conn) {
- BT_ERR("No memory for new connection");
- hci_dev_unlock(hdev);
- return;
- }
-
- conn->dst_type = ev->bdaddr_type;
- }
-
if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
mgmt_device_connected(hdev, &ev->bdaddr, conn->type,
conn->dst_type, 0, NULL, 0, NULL);
return err;
err = bt_sock_register(BTPROTO_HCI, &hci_sock_family_ops);
- if (err < 0)
+ if (err < 0) {
+ BT_ERR("HCI socket registration failed");
goto error;
+ }
+
+ err = bt_procfs_init(THIS_MODULE, &init_net, "hci", &hci_sk_list, NULL);
+ if (err < 0) {
+ BT_ERR("Failed to create HCI proc file");
+ bt_sock_unregister(BTPROTO_HCI);
+ goto error;
+ }
BT_INFO("HCI socket layer initialized");
return 0;
error:
- BT_ERR("HCI socket registration failed");
proto_unregister(&hci_sk_proto);
return err;
}
void hci_sock_cleanup(void)
{
+ bt_procfs_cleanup(&init_net, "hci");
if (bt_sock_unregister(BTPROTO_HCI) < 0)
BT_ERR("HCI socket unregistration failed");
#include "hidp.h"
+static struct bt_sock_list hidp_sk_list = {
+ .lock = __RW_LOCK_UNLOCKED(hidp_sk_list.lock)
+};
+
static int hidp_sock_release(struct socket *sock)
{
struct sock *sk = sock->sk;
if (!sk)
return 0;
+ bt_sock_unlink(&hidp_sk_list, sk);
+
sock_orphan(sk);
sock_put(sk);
sk->sk_protocol = protocol;
sk->sk_state = BT_OPEN;
+ bt_sock_link(&hidp_sk_list, sk);
+
return 0;
}
return err;
err = bt_sock_register(BTPROTO_HIDP, &hidp_sock_family_ops);
- if (err < 0)
+ if (err < 0) {
+ BT_ERR("Can't register HIDP socket");
goto error;
+ }
+
+ err = bt_procfs_init(THIS_MODULE, &init_net, "hidp", &hidp_sk_list, NULL);
+ if (err < 0) {
+ BT_ERR("Failed to create HIDP proc file");
+ bt_sock_unregister(BTPROTO_HIDP);
+ goto error;
+ }
+
+ BT_INFO("HIDP socket layer initialized");
return 0;
void __exit hidp_cleanup_sockets(void)
{
+ bt_procfs_cleanup(&init_net, "hidp");
if (bt_sock_unregister(BTPROTO_HIDP) < 0)
BT_ERR("Can't unregister HIDP socket");
return chan;
}
-void l2cap_chan_destroy(struct l2cap_chan *chan)
+static void l2cap_chan_destroy(struct l2cap_chan *chan)
{
+ BT_DBG("chan %p", chan);
+
write_lock(&chan_list_lock);
list_del(&chan->global_l);
write_unlock(&chan_list_lock);
- l2cap_chan_put(chan);
+ kfree(chan);
+}
+
+void l2cap_chan_hold(struct l2cap_chan *c)
+{
+ BT_DBG("chan %p orig refcnt %d", c, atomic_read(&c->refcnt));
+
+ atomic_inc(&c->refcnt);
+}
+
+void l2cap_chan_put(struct l2cap_chan *c)
+{
+ BT_DBG("chan %p orig refcnt %d", c, atomic_read(&c->refcnt));
+
+ if (atomic_dec_and_test(&c->refcnt))
+ l2cap_chan_destroy(c);
}
void l2cap_chan_set_defaults(struct l2cap_chan *chan)
return exact ? lm1 : lm2;
}
-int l2cap_connect_cfm(struct hci_conn *hcon, u8 status)
+void l2cap_connect_cfm(struct hci_conn *hcon, u8 status)
{
struct l2cap_conn *conn;
} else
l2cap_conn_del(hcon, bt_to_errno(status));
- return 0;
}
int l2cap_disconn_ind(struct hci_conn *hcon)
return conn->disc_reason;
}
-int l2cap_disconn_cfm(struct hci_conn *hcon, u8 reason)
+void l2cap_disconn_cfm(struct hci_conn *hcon, u8 reason)
{
BT_DBG("hcon %p reason %d", hcon, reason);
l2cap_conn_del(hcon, bt_to_errno(reason));
- return 0;
}
static inline void l2cap_check_encryption(struct l2cap_chan *chan, u8 encrypt)
BT_DBG("chan %p scid 0x%4.4x state %s", chan, chan->scid,
state_to_string(chan->state));
+ if (chan->chan_type == L2CAP_CHAN_CONN_FIX_A2MP) {
+ l2cap_chan_unlock(chan);
+ continue;
+ }
+
if (chan->scid == L2CAP_CID_LE_DATA) {
if (!status && encrypt) {
chan->sec_level = hcon->sec_level;
#include <net/bluetooth/l2cap.h>
#include <net/bluetooth/smp.h>
+static struct bt_sock_list l2cap_sk_list = {
+ .lock = __RW_LOCK_UNLOCKED(l2cap_sk_list.lock)
+};
+
static const struct proto_ops l2cap_sock_ops;
static void l2cap_sock_init(struct sock *sk, struct sock *parent);
static struct sock *l2cap_sock_alloc(struct net *net, struct socket *sock, int proto, gfp_t prio);
/* Kill poor orphan */
- l2cap_chan_destroy(l2cap_pi(sk)->chan);
+ l2cap_chan_put(l2cap_pi(sk)->chan);
sock_set_flag(sk, SOCK_DEAD);
sock_put(sk);
}
if (!sk)
return 0;
+ bt_sock_unlink(&l2cap_sk_list, sk);
+
err = l2cap_sock_shutdown(sock, 2);
sock_orphan(sk);
return -ENOMEM;
l2cap_sock_init(sk, NULL);
+ bt_sock_link(&l2cap_sk_list, sk);
return 0;
}
return err;
err = bt_sock_register(BTPROTO_L2CAP, &l2cap_sock_family_ops);
- if (err < 0)
+ if (err < 0) {
+ BT_ERR("L2CAP socket registration failed");
goto error;
+ }
+
+ err = bt_procfs_init(THIS_MODULE, &init_net, "l2cap", &l2cap_sk_list, NULL);
+ if (err < 0) {
+ BT_ERR("Failed to create L2CAP proc file");
+ bt_sock_unregister(BTPROTO_L2CAP);
+ goto error;
+ }
BT_INFO("L2CAP socket layer initialized");
return 0;
error:
- BT_ERR("L2CAP socket registration failed");
proto_unregister(&l2cap_proto);
return err;
}
void l2cap_cleanup_sockets(void)
{
+ bt_procfs_cleanup(&init_net, "l2cap");
if (bt_sock_unregister(BTPROTO_L2CAP) < 0)
BT_ERR("L2CAP socket unregistration failed");
MGMT_STATUS_CONNECT_FAILED, /* MAC Connection Failed */
};
+bool mgmt_valid_hdev(struct hci_dev *hdev)
+{
+ return hdev->dev_type == HCI_BREDR;
+}
+
static u8 mgmt_status(u8 hci_status)
{
if (hci_status < ARRAY_SIZE(mgmt_status_table))
u16 data_len)
{
struct mgmt_rp_read_index_list *rp;
- struct list_head *p;
struct hci_dev *d;
size_t rp_len;
u16 count;
read_lock(&hci_dev_list_lock);
count = 0;
- list_for_each(p, &hci_dev_list) {
+ list_for_each_entry(d, &hci_dev_list, list) {
+ if (!mgmt_valid_hdev(d))
+ continue;
+
count++;
}
if (test_bit(HCI_SETUP, &d->dev_flags))
continue;
+ if (!mgmt_valid_hdev(d))
+ continue;
+
rp->index[i++] = cpu_to_le16(d->id);
BT_DBG("Added hci%u", d->id);
}
settings |= MGMT_SETTING_DISCOVERABLE;
settings |= MGMT_SETTING_PAIRABLE;
- if (hdev->features[6] & LMP_SIMPLE_PAIR)
+ if (lmp_ssp_capable(hdev))
settings |= MGMT_SETTING_SSP;
- if (!(hdev->features[4] & LMP_NO_BREDR)) {
+ if (lmp_bredr_capable(hdev)) {
settings |= MGMT_SETTING_BREDR;
settings |= MGMT_SETTING_LINK_SECURITY;
}
if (enable_hs)
settings |= MGMT_SETTING_HS;
- if (hdev->features[4] & LMP_LE)
+ if (lmp_le_capable(hdev))
settings |= MGMT_SETTING_LE;
return settings;
if (test_bit(HCI_PAIRABLE, &hdev->dev_flags))
settings |= MGMT_SETTING_PAIRABLE;
- if (!(hdev->features[4] & LMP_NO_BREDR))
+ if (lmp_bredr_capable(hdev))
settings |= MGMT_SETTING_BREDR;
if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags))
hci_dev_lock(hdev);
- if (!(hdev->features[6] & LMP_SIMPLE_PAIR)) {
+ if (!lmp_ssp_capable(hdev)) {
err = cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
MGMT_STATUS_NOT_SUPPORTED);
goto failed;
hci_dev_lock(hdev);
- if (!(hdev->features[4] & LMP_LE)) {
+ if (!lmp_le_capable(hdev)) {
err = cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
MGMT_STATUS_NOT_SUPPORTED);
goto unlock;
goto unlock;
}
- if (!(hdev->features[6] & LMP_SIMPLE_PAIR)) {
+ if (!lmp_ssp_capable(hdev)) {
err = cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
MGMT_STATUS_NOT_SUPPORTED);
goto unlock;
int mgmt_index_added(struct hci_dev *hdev)
{
+ if (!mgmt_valid_hdev(hdev))
+ return -ENOTSUPP;
+
return mgmt_event(MGMT_EV_INDEX_ADDED, hdev, NULL, 0, NULL);
}
{
u8 status = MGMT_STATUS_INVALID_INDEX;
+ if (!mgmt_valid_hdev(hdev))
+ return -ENOTSUPP;
+
mgmt_pending_foreach(0, hdev, cmd_status_rsp, &status);
return mgmt_event(MGMT_EV_INDEX_REMOVED, hdev, NULL, 0, NULL);
return err;
err = bt_sock_register(BTPROTO_RFCOMM, &rfcomm_sock_family_ops);
- if (err < 0)
+ if (err < 0) {
+ BT_ERR("RFCOMM socket layer registration failed");
+ goto error;
+ }
+
+ err = bt_procfs_init(THIS_MODULE, &init_net, "rfcomm", &rfcomm_sk_list, NULL);
+ if (err < 0) {
+ BT_ERR("Failed to create RFCOMM proc file");
+ bt_sock_unregister(BTPROTO_RFCOMM);
goto error;
+ }
if (bt_debugfs) {
rfcomm_sock_debugfs = debugfs_create_file("rfcomm", 0444,
return 0;
error:
- BT_ERR("RFCOMM socket layer registration failed");
proto_unregister(&rfcomm_proto);
return err;
}
void __exit rfcomm_cleanup_sockets(void)
{
+ bt_procfs_cleanup(&init_net, "rfcomm");
+
debugfs_remove(rfcomm_sock_debugfs);
if (bt_sock_unregister(BTPROTO_RFCOMM) < 0)
return lm;
}
-int sco_connect_cfm(struct hci_conn *hcon, __u8 status)
+void sco_connect_cfm(struct hci_conn *hcon, __u8 status)
{
BT_DBG("hcon %p bdaddr %s status %d", hcon, batostr(&hcon->dst), status);
if (!status) {
sco_conn_ready(conn);
} else
sco_conn_del(hcon, bt_to_errno(status));
-
- return 0;
}
-int sco_disconn_cfm(struct hci_conn *hcon, __u8 reason)
+void sco_disconn_cfm(struct hci_conn *hcon, __u8 reason)
{
BT_DBG("hcon %p reason %d", hcon, reason);
sco_conn_del(hcon, bt_to_errno(reason));
- return 0;
}
int sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb)
goto error;
}
+ err = bt_procfs_init(THIS_MODULE, &init_net, "sco", &sco_sk_list, NULL);
+ if (err < 0) {
+ BT_ERR("Failed to create SCO proc file");
+ bt_sock_unregister(BTPROTO_SCO);
+ goto error;
+ }
+
if (bt_debugfs) {
sco_debugfs = debugfs_create_file("sco", 0444, bt_debugfs,
NULL, &sco_debugfs_fops);
void __exit sco_exit(void)
{
+ bt_procfs_cleanup(&init_net, "sco");
+
debugfs_remove(sco_debugfs);
if (bt_sock_unregister(BTPROTO_SCO) < 0)
fe->is_local = f->is_local;
if (!f->is_static)
- fe->ageing_timer_value = jiffies_to_clock_t(jiffies - f->updated);
+ fe->ageing_timer_value = jiffies_delta_to_clock_t(jiffies - f->updated);
++fe;
++num;
}
unsigned long br_timer_value(const struct timer_list *timer)
{
return timer_pending(timer)
- ? jiffies_to_clock_t(timer->expires - jiffies) : 0;
+ ? jiffies_delta_to_clock_t(timer->expires - jiffies) : 0;
}
static int __net_init frame_filter_net_init(struct net *net)
{
net->xt.frame_filter = ebt_register_table(net, &frame_filter);
- if (IS_ERR(net->xt.frame_filter))
- return PTR_ERR(net->xt.frame_filter);
- return 0;
+ return PTR_RET(net->xt.frame_filter);
}
static void __net_exit frame_filter_net_exit(struct net *net)
static int __net_init frame_nat_net_init(struct net *net)
{
net->xt.frame_nat = ebt_register_table(net, &frame_nat);
- if (IS_ERR(net->xt.frame_nat))
- return PTR_ERR(net->xt.frame_nat);
- return 0;
+ return PTR_RET(net->xt.frame_nat);
}
static void __net_exit frame_nat_net_exit(struct net *net)
}
EXPORT_SYMBOL(netdev_state_change);
-int netdev_bonding_change(struct net_device *dev, unsigned long event)
+/**
+ * netdev_notify_peers - notify network peers about existence of @dev
+ * @dev: network device
+ *
+ * Generate traffic such that interested network peers are aware of
+ * @dev, such as by generating a gratuitous ARP. This may be used when
+ * a device wants to inform the rest of the network about some sort of
+ * reconfiguration such as a failover event or virtual machine
+ * migration.
+ */
+void netdev_notify_peers(struct net_device *dev)
{
- return call_netdevice_notifiers(event, dev);
+ rtnl_lock();
+ call_netdevice_notifiers(NETDEV_NOTIFY_PEERS, dev);
+ rtnl_unlock();
}
-EXPORT_SYMBOL(netdev_bonding_change);
+EXPORT_SYMBOL(netdev_notify_peers);
/**
* dev_load - load a network module
nb->notifier_call(nb, NETDEV_DOWN, dev);
}
nb->notifier_call(nb, NETDEV_UNREGISTER, dev);
- nb->notifier_call(nb, NETDEV_UNREGISTER_BATCH, dev);
}
}
nb->notifier_call(nb, NETDEV_DOWN, dev);
}
nb->notifier_call(nb, NETDEV_UNREGISTER, dev);
- nb->notifier_call(nb, NETDEV_UNREGISTER_BATCH, dev);
}
}
unlock:
static int __dev_set_promiscuity(struct net_device *dev, int inc)
{
unsigned int old_flags = dev->flags;
- uid_t uid;
- gid_t gid;
+ kuid_t uid;
+ kgid_t gid;
ASSERT_RTNL();
dev->name, (dev->flags & IFF_PROMISC),
(old_flags & IFF_PROMISC),
audit_get_loginuid(current),
- uid, gid,
+ from_kuid(&init_user_ns, uid),
+ from_kgid(&init_user_ns, gid),
audit_get_sessionid(current));
}
*/
static int dev_new_index(struct net *net)
{
- static int ifindex;
+ int ifindex = net->ifindex;
for (;;) {
if (++ifindex <= 0)
ifindex = 1;
if (!__dev_get_by_index(net, ifindex))
- return ifindex;
+ return net->ifindex = ifindex;
}
}
netdev_unregister_kobject(dev);
}
- /* Process any work delayed until the end of the batch */
- dev = list_first_entry(head, struct net_device, unreg_list);
- call_netdevice_notifiers(NETDEV_UNREGISTER_BATCH, dev);
-
synchronize_net();
list_for_each_entry(dev, head, unreg_list)
}
}
- dev->ifindex = dev_new_index(net);
+ ret = -EBUSY;
+ if (!dev->ifindex)
+ dev->ifindex = dev_new_index(net);
+ else if (__dev_get_by_index(net, dev->ifindex))
+ goto err_uninit;
+
if (dev->iflink == -1)
dev->iflink = dev->ifindex;
set_bit(__LINK_STATE_PRESENT, &dev->state);
+ linkwatch_init_dev(dev);
+
dev_init_scheduler(dev);
dev_hold(dev);
list_netdevice(dev);
/* Rebroadcast unregister notification */
call_netdevice_notifiers(NETDEV_UNREGISTER, dev);
- /* don't resend NETDEV_UNREGISTER_BATCH, _BATCH users
- * should have already handle it the first time */
+ __rtnl_unlock();
+ rcu_barrier();
+ rtnl_lock();
+
+ call_netdevice_notifiers(NETDEV_UNREGISTER_FINAL, dev);
if (test_bit(__LINK_STATE_LINKWATCH_PENDING,
&dev->state)) {
/* We must not have linkwatch events
__rtnl_unlock();
- /* Wait for rcu callbacks to finish before attempting to drain
- * the device list. This usually avoids a 250ms wait.
- */
+
+ /* Wait for rcu callbacks to finish before next phase */
if (!list_empty(&list))
rcu_barrier();
= list_first_entry(&list, struct net_device, todo_list);
list_del(&dev->todo_list);
+ rtnl_lock();
+ call_netdevice_notifiers(NETDEV_UNREGISTER_FINAL, dev);
+ __rtnl_unlock();
+
if (unlikely(dev->reg_state != NETREG_UNREGISTERING)) {
pr_err("network todo '%s' but state %d\n",
dev->name, dev->reg_state);
the device is just moving and can keep their slaves up.
*/
call_netdevice_notifiers(NETDEV_UNREGISTER, dev);
- call_netdevice_notifiers(NETDEV_UNREGISTER_BATCH, dev);
+ rcu_barrier();
+ call_netdevice_notifiers(NETDEV_UNREGISTER_FINAL, dev);
rtmsg_ifinfo(RTM_DELLINK, dev, ~0U);
/*
struct dst_entry *dst, *last = NULL;
switch (event) {
- case NETDEV_UNREGISTER:
+ case NETDEV_UNREGISTER_FINAL:
case NETDEV_DOWN:
mutex_lock(&dst_gc_mutex);
for (dst = dst_busy_list; dst; dst = dst->next) {
}
+void linkwatch_init_dev(struct net_device *dev)
+{
+ /* Handle pre-registration link state changes */
+ if (!netif_carrier_ok(dev) || netif_dormant(dev))
+ rfc2863_policy(dev);
+}
+
+
static bool linkwatch_urgent_event(struct net_device *dev)
{
if (!netif_running(dev))
struct udphdr *udph;
struct iphdr *iph;
struct ethhdr *eth;
+ static atomic_t ip_ident;
udp_len = len + sizeof(*udph);
ip_len = udp_len + sizeof(*iph);
put_unaligned(0x45, (unsigned char *)iph);
iph->tos = 0;
put_unaligned(htons(ip_len), &(iph->tot_len));
- iph->id = 0;
+ iph->id = htons(atomic_inc_return(&ip_ident));
iph->frag_off = 0;
iph->ttl = 64;
iph->protocol = IPPROTO_UDP;
long expires, u32 error)
{
struct rta_cacheinfo ci = {
- .rta_lastuse = jiffies_to_clock_t(jiffies - dst->lastuse),
+ .rta_lastuse = jiffies_delta_to_clock_t(jiffies - dst->lastuse),
.rta_used = dst->__use,
.rta_clntref = atomic_read(&(dst->__refcnt)),
.rta_error = error,
return -ENODEV;
}
- if (ifm->ifi_index)
- return -EOPNOTSUPP;
if (tb[IFLA_MAP] || tb[IFLA_MASTER] || tb[IFLA_PROTINFO])
return -EOPNOTSUPP;
return PTR_ERR(dest_net);
dev = rtnl_create_link(net, dest_net, ifname, ops, tb);
-
- if (IS_ERR(dev))
+ if (IS_ERR(dev)) {
err = PTR_ERR(dev);
- else if (ops->newlink)
+ goto out;
+ }
+
+ dev->ifindex = ifm->ifi_index;
+
+ if (ops->newlink)
err = ops->newlink(net, dev, tb, data);
else
err = register_netdevice(dev);
case NETDEV_PRE_TYPE_CHANGE:
case NETDEV_GOING_DOWN:
case NETDEV_UNREGISTER:
- case NETDEV_UNREGISTER_BATCH:
+ case NETDEV_UNREGISTER_FINAL:
case NETDEV_RELEASE:
case NETDEV_JOIN:
break;
static __inline__ int scm_check_creds(struct ucred *creds)
{
const struct cred *cred = current_cred();
+ kuid_t uid = make_kuid(cred->user_ns, creds->uid);
+ kgid_t gid = make_kgid(cred->user_ns, creds->gid);
+
+ if (!uid_valid(uid) || !gid_valid(gid))
+ return -EINVAL;
if ((creds->pid == task_tgid_vnr(current) || capable(CAP_SYS_ADMIN)) &&
- ((creds->uid == cred->uid || creds->uid == cred->euid ||
- creds->uid == cred->suid) || capable(CAP_SETUID)) &&
- ((creds->gid == cred->gid || creds->gid == cred->egid ||
- creds->gid == cred->sgid) || capable(CAP_SETGID))) {
+ ((uid_eq(uid, cred->uid) || uid_eq(uid, cred->euid) ||
+ uid_eq(uid, cred->suid)) || capable(CAP_SETUID)) &&
+ ((gid_eq(gid, cred->gid) || gid_eq(gid, cred->egid) ||
+ gid_eq(gid, cred->sgid)) || capable(CAP_SETGID))) {
return 0;
}
return -EPERM;
goto error;
break;
case SCM_CREDENTIALS:
+ {
+ kuid_t uid;
+ kgid_t gid;
if (cmsg->cmsg_len != CMSG_LEN(sizeof(struct ucred)))
goto error;
memcpy(&p->creds, CMSG_DATA(cmsg), sizeof(struct ucred));
p->pid = pid;
}
+ err = -EINVAL;
+ uid = make_kuid(current_user_ns(), p->creds.uid);
+ gid = make_kgid(current_user_ns(), p->creds.gid);
+ if (!uid_valid(uid) || !gid_valid(gid))
+ goto error;
+
if (!p->cred ||
- (p->cred->euid != p->creds.uid) ||
- (p->cred->egid != p->creds.gid)) {
+ !uid_eq(p->cred->euid, uid) ||
+ !gid_eq(p->cred->egid, gid)) {
struct cred *cred;
err = -ENOMEM;
cred = prepare_creds();
if (!cred)
goto error;
- cred->uid = cred->euid = p->creds.uid;
- cred->gid = cred->egid = p->creds.gid;
+ cred->uid = cred->euid = uid;
+ cred->gid = cred->egid = gid;
if (p->cred)
put_cred(p->cred);
p->cred = cred;
}
break;
+ }
default:
goto error;
}
if (cred) {
struct user_namespace *current_ns = current_user_ns();
- ucred->uid = from_kuid(current_ns, cred->euid);
- ucred->gid = from_kgid(current_ns, cred->egid);
+ ucred->uid = from_kuid_munged(current_ns, cred->euid);
+ ucred->gid = from_kgid_munged(current_ns, cred->egid);
}
}
EXPORT_SYMBOL_GPL(cred_to_ucred);
rcu_read_lock(); /* doing current task, which cannot vanish. */
classid = task_cls_classid(current);
rcu_read_unlock();
- if (classid && classid != sk->sk_classid)
+ if (classid != sk->sk_classid)
sk->sk_classid = classid;
}
EXPORT_SYMBOL(sock_update_classid);
}
EXPORT_SYMBOL(sock_edemux);
-int sock_i_uid(struct sock *sk)
+kuid_t sock_i_uid(struct sock *sk)
{
- int uid;
+ kuid_t uid;
read_lock_bh(&sk->sk_callback_lock);
- uid = sk->sk_socket ? SOCK_INODE(sk->sk_socket)->i_uid : 0;
+ uid = sk->sk_socket ? SOCK_INODE(sk->sk_socket)->i_uid : GLOBAL_ROOT_UID;
read_unlock_bh(&sk->sk_callback_lock);
return uid;
}
.saddr = oldflp->saddr,
.flowidn_scope = RT_SCOPE_UNIVERSE,
.flowidn_mark = oldflp->flowidn_mark,
- .flowidn_iif = init_net.loopback_dev->ifindex,
+ .flowidn_iif = LOOPBACK_IFINDEX,
.flowidn_oif = oldflp->flowidn_oif,
};
struct dn_route *rt = NULL;
"dn_route_output_slow: dst=%04x src=%04x mark=%d"
" iif=%d oif=%d\n", le16_to_cpu(oldflp->daddr),
le16_to_cpu(oldflp->saddr),
- oldflp->flowidn_mark, init_net.loopback_dev->ifindex,
+ oldflp->flowidn_mark, LOOPBACK_IFINDEX,
oldflp->flowidn_oif);
/* If we have an output interface, verify its a DECnet device */
if (!fld.daddr)
goto out;
}
- fld.flowidn_oif = init_net.loopback_dev->ifindex;
+ fld.flowidn_oif = LOOPBACK_IFINDEX;
res.type = RTN_LOCAL;
goto make_route;
}
if (*(u8 *)iph != 0x45)
goto out_unlock;
- if (unlikely(ip_fast_csum((u8 *)iph, iph->ihl)))
+ if (unlikely(ip_fast_csum((u8 *)iph, 5)))
goto out_unlock;
id = ntohl(*(__be32 *)&iph->id);
iph2 = ip_hdr(p);
if ((iph->protocol ^ iph2->protocol) |
- (iph->tos ^ iph2->tos) |
((__force u32)iph->saddr ^ (__force u32)iph2->saddr) |
((__force u32)iph->daddr ^ (__force u32)iph2->daddr)) {
NAPI_GRO_CB(p)->same_flow = 0;
/* All fields must match except length and checksum. */
NAPI_GRO_CB(p)->flush |=
(iph->ttl ^ iph2->ttl) |
+ (iph->tos ^ iph2->tos) |
((u16)(ntohs(iph2->id) + NAPI_GRO_CB(p)->count) ^ id);
NAPI_GRO_CB(p)->flush |= flush;
[IFA_LABEL] = { .type = NLA_STRING, .len = IFNAMSIZ - 1 },
};
-/* inet_addr_hash's shifting is dependent upon this IN4_ADDR_HSIZE
- * value. So if you change this define, make appropriate changes to
- * inet_addr_hash as well.
- */
-#define IN4_ADDR_HSIZE 256
+#define IN4_ADDR_HSIZE_SHIFT 8
+#define IN4_ADDR_HSIZE (1U << IN4_ADDR_HSIZE_SHIFT)
+
static struct hlist_head inet_addr_lst[IN4_ADDR_HSIZE];
static DEFINE_SPINLOCK(inet_addr_hash_lock);
-static inline unsigned int inet_addr_hash(struct net *net, __be32 addr)
+static u32 inet_addr_hash(struct net *net, __be32 addr)
{
- u32 val = (__force u32) addr ^ hash_ptr(net, 8);
+ u32 val = (__force u32) addr ^ net_hash_mix(net);
- return ((val ^ (val >> 8) ^ (val >> 16) ^ (val >> 24)) &
- (IN4_ADDR_HSIZE - 1));
+ return hash_32(val, IN4_ADDR_HSIZE_SHIFT);
}
static void inet_hash_insert(struct net *net, struct in_ifaddr *ifa)
{
- unsigned int hash = inet_addr_hash(net, ifa->ifa_local);
+ u32 hash = inet_addr_hash(net, ifa->ifa_local);
spin_lock(&inet_addr_hash_lock);
hlist_add_head_rcu(&ifa->hash, &inet_addr_lst[hash]);
*/
struct net_device *__ip_dev_find(struct net *net, __be32 addr, bool devref)
{
- unsigned int hash = inet_addr_hash(net, addr);
+ u32 hash = inet_addr_hash(net, addr);
struct net_device *result = NULL;
struct in_ifaddr *ifa;
struct hlist_node *node;
rcu_read_lock();
hlist_for_each_entry_rcu(ifa, node, &inet_addr_lst[hash], hash) {
- struct net_device *dev = ifa->ifa_dev->dev;
-
- if (!net_eq(dev_net(dev), net))
- continue;
if (ifa->ifa_local == addr) {
+ struct net_device *dev = ifa->ifa_dev->dev;
+
+ if (!net_eq(dev_net(dev), net))
+ continue;
result = dev;
break;
}
static void devinet_sysctl_register(struct in_device *idev);
static void devinet_sysctl_unregister(struct in_device *idev);
#else
-static inline void devinet_sysctl_register(struct in_device *idev)
+static void devinet_sysctl_register(struct in_device *idev)
{
}
-static inline void devinet_sysctl_unregister(struct in_device *idev)
+static void devinet_sysctl_unregister(struct in_device *idev)
{
}
#endif
kfree(ifa);
}
-static inline void inet_free_ifa(struct in_ifaddr *ifa)
+static void inet_free_ifa(struct in_ifaddr *ifa)
{
call_rcu(&ifa->rcu_head, inet_rcu_free_ifa);
}
* Determine a default network mask, based on the IP address.
*/
-static inline int inet_abc_len(__be32 addr)
+static int inet_abc_len(__be32 addr)
{
int rc = -1; /* Something else, probably a multicast. */
}
}
-static inline bool inetdev_valid_mtu(unsigned int mtu)
+static bool inetdev_valid_mtu(unsigned int mtu)
{
return mtu >= 68;
}
.notifier_call = inetdev_event,
};
-static inline size_t inet_nlmsg_size(void)
+static size_t inet_nlmsg_size(void)
{
return NLMSG_ALIGN(sizeof(struct ifaddrmsg))
+ nla_total_size(4) /* IFA_ADDRESS */
scope = RT_SCOPE_UNIVERSE;
if (!ipv4_is_zeronet(ip_hdr(skb)->saddr)) {
fl4.flowi4_oif = 0;
- fl4.flowi4_iif = net->loopback_dev->ifindex;
+ fl4.flowi4_iif = LOOPBACK_IFINDEX;
fl4.daddr = ip_hdr(skb)->saddr;
fl4.saddr = 0;
fl4.flowi4_tos = RT_TOS(ip_hdr(skb)->tos);
static int fib_netdev_event(struct notifier_block *this, unsigned long event, void *ptr)
{
struct net_device *dev = ptr;
- struct in_device *in_dev = __in_dev_get_rtnl(dev);
+ struct in_device *in_dev;
struct net *net = dev_net(dev);
if (event == NETDEV_UNREGISTER) {
return NOTIFY_DONE;
}
- if (!in_dev)
- return NOTIFY_DONE;
+ in_dev = __in_dev_get_rtnl(dev);
switch (event) {
case NETDEV_UP:
fib_sync_up(dev);
#endif
atomic_inc(&net->ipv4.dev_addr_genid);
- rt_cache_flush(dev_net(dev), -1);
+ rt_cache_flush(net, -1);
break;
case NETDEV_DOWN:
fib_disable_ip(dev, 0, 0);
break;
case NETDEV_CHANGEMTU:
case NETDEV_CHANGE:
- rt_cache_flush(dev_net(dev), 0);
- break;
- case NETDEV_UNREGISTER_BATCH:
+ rt_cache_flush(net, 0);
break;
}
return NOTIFY_DONE;
* state.directly.
*/
if (pref_mismatch) {
- int mp = KEYLENGTH - fls(pref_mismatch);
+ /* fls(x) = __fls(x) + 1 */
+ int mp = KEYLENGTH - __fls(pref_mismatch) - 1;
if (tkey_extract_bits(cn->key, mp, cn->pos - mp) != 0)
goto backtrace;
if (!l)
return -ESRCH;
- fa_head = get_fa_head(l, plen);
+ li = find_leaf_info(l, plen);
+
+ if (!li)
+ return -ESRCH;
+
+ fa_head = &li->falh;
fa = fib_find_alias(fa_head, tos, 0);
if (!fa)
rtmsg_fib(RTM_DELROUTE, htonl(key), fa, plen, tb->tb_id,
&cfg->fc_nlinfo, 0);
- l = fib_find_node(t, key);
- li = find_leaf_info(l, plen);
-
list_del_rcu(&fa->fa_list);
if (!plen)
struct ip_mc_list *im = (struct ip_mc_list *)v;
struct igmp_mc_iter_state *state = igmp_mc_seq_private(seq);
char *querier;
+ long delta;
+
#ifdef CONFIG_IP_MULTICAST
querier = IGMP_V1_SEEN(state->in_dev) ? "V1" :
IGMP_V2_SEEN(state->in_dev) ? "V2" :
state->dev->ifindex, state->dev->name, state->in_dev->mc_count, querier);
}
+ delta = im->timer.expires - jiffies;
seq_printf(seq,
"\t\t\t\t%08X %5d %d:%08lX\t\t%d\n",
im->multiaddr, im->users,
- im->tm_running, im->tm_running ?
- jiffies_to_clock_t(im->timer.expires-jiffies) : 0,
+ im->tm_running,
+ im->tm_running ? jiffies_delta_to_clock_t(delta) : 0,
im->reporter);
}
return 0;
int inet_sk_diag_fill(struct sock *sk, struct inet_connection_sock *icsk,
struct sk_buff *skb, struct inet_diag_req_v2 *req,
+ struct user_namespace *user_ns,
u32 pid, u32 seq, u16 nlmsg_flags,
const struct nlmsghdr *unlh)
{
}
#endif
- r->idiag_uid = sock_i_uid(sk);
+ r->idiag_uid = from_kuid_munged(user_ns, sock_i_uid(sk));
r->idiag_inode = sock_i_ino(sk);
if (ext & (1 << (INET_DIAG_MEMINFO - 1))) {
static int inet_csk_diag_fill(struct sock *sk,
struct sk_buff *skb, struct inet_diag_req_v2 *req,
+ struct user_namespace *user_ns,
u32 pid, u32 seq, u16 nlmsg_flags,
const struct nlmsghdr *unlh)
{
return inet_sk_diag_fill(sk, inet_csk(sk),
- skb, req, pid, seq, nlmsg_flags, unlh);
+ skb, req, user_ns, pid, seq, nlmsg_flags, unlh);
}
static int inet_twsk_diag_fill(struct inet_timewait_sock *tw,
}
static int sk_diag_fill(struct sock *sk, struct sk_buff *skb,
- struct inet_diag_req_v2 *r, u32 pid, u32 seq, u16 nlmsg_flags,
+ struct inet_diag_req_v2 *r,
+ struct user_namespace *user_ns,
+ u32 pid, u32 seq, u16 nlmsg_flags,
const struct nlmsghdr *unlh)
{
if (sk->sk_state == TCP_TIME_WAIT)
return inet_twsk_diag_fill((struct inet_timewait_sock *)sk,
skb, r, pid, seq, nlmsg_flags,
unlh);
- return inet_csk_diag_fill(sk, skb, r, pid, seq, nlmsg_flags, unlh);
+ return inet_csk_diag_fill(sk, skb, r, user_ns, pid, seq, nlmsg_flags, unlh);
}
int inet_diag_dump_one_icsk(struct inet_hashinfo *hashinfo, struct sk_buff *in_skb,
}
err = sk_diag_fill(sk, rep, req,
+ sk_user_ns(NETLINK_CB(in_skb).ssk),
NETLINK_CB(in_skb).pid,
nlh->nlmsg_seq, 0, nlh);
if (err < 0) {
return 0;
return inet_csk_diag_fill(sk, skb, r,
+ sk_user_ns(NETLINK_CB(cb->skb).ssk),
NETLINK_CB(cb->skb).pid,
cb->nlh->nlmsg_seq, NLM_F_MULTI, cb->nlh);
}
}
static int inet_diag_fill_req(struct sk_buff *skb, struct sock *sk,
- struct request_sock *req, u32 pid, u32 seq,
+ struct request_sock *req,
+ struct user_namespace *user_ns,
+ u32 pid, u32 seq,
const struct nlmsghdr *unlh)
{
const struct inet_request_sock *ireq = inet_rsk(req);
r->idiag_expires = jiffies_to_msecs(tmo);
r->idiag_rqueue = 0;
r->idiag_wqueue = 0;
- r->idiag_uid = sock_i_uid(sk);
+ r->idiag_uid = from_kuid_munged(user_ns, sock_i_uid(sk));
r->idiag_inode = 0;
#if IS_ENABLED(CONFIG_IPV6)
if (r->idiag_family == AF_INET6) {
}
err = inet_diag_fill_req(skb, sk, req,
+ sk_user_ns(NETLINK_CB(cb->skb).ssk),
NETLINK_CB(cb->skb).pid,
cb->nlh->nlmsg_seq, cb->nlh);
if (err < 0) {
.flowi4_oif = (rt_is_output_route(rt) ?
skb->dev->ifindex : 0),
.flowi4_iif = (rt_is_output_route(rt) ?
- net->loopback_dev->ifindex :
+ LOOPBACK_IFINDEX :
skb->dev->ifindex),
.flowi4_mark = skb->mark,
};
return ipv4_is_local_multicast(iph->daddr) ^ invert;
flow.flowi4_iif = 0;
} else {
- flow.flowi4_iif = dev_net(par->in)->loopback_dev->ifindex;
+ flow.flowi4_iif = LOOPBACK_IFINDEX;
}
flow.daddr = iph->saddr;
net->ipv4.iptable_filter =
ipt_register_table(net, &packet_filter, repl);
kfree(repl);
- if (IS_ERR(net->ipv4.iptable_filter))
- return PTR_ERR(net->ipv4.iptable_filter);
- return 0;
+ return PTR_RET(net->ipv4.iptable_filter);
}
static void __net_exit iptable_filter_net_exit(struct net *net)
filter_ops = xt_hook_link(&packet_filter, iptable_filter_hook);
if (IS_ERR(filter_ops)) {
ret = PTR_ERR(filter_ops);
- goto cleanup_table;
+ unregister_pernet_subsys(&iptable_filter_net_ops);
}
return ret;
-
- cleanup_table:
- unregister_pernet_subsys(&iptable_filter_net_ops);
- return ret;
}
static void __exit iptable_filter_fini(void)
net->ipv4.iptable_mangle =
ipt_register_table(net, &packet_mangler, repl);
kfree(repl);
- if (IS_ERR(net->ipv4.iptable_mangle))
- return PTR_ERR(net->ipv4.iptable_mangle);
- return 0;
+ return PTR_RET(net->ipv4.iptable_mangle);
}
static void __net_exit iptable_mangle_net_exit(struct net *net)
mangle_ops = xt_hook_link(&packet_mangler, iptable_mangle_hook);
if (IS_ERR(mangle_ops)) {
ret = PTR_ERR(mangle_ops);
- goto cleanup_table;
+ unregister_pernet_subsys(&iptable_mangle_net_ops);
}
return ret;
-
- cleanup_table:
- unregister_pernet_subsys(&iptable_mangle_net_ops);
- return ret;
}
static void __exit iptable_mangle_fini(void)
net->ipv4.iptable_raw =
ipt_register_table(net, &packet_raw, repl);
kfree(repl);
- if (IS_ERR(net->ipv4.iptable_raw))
- return PTR_ERR(net->ipv4.iptable_raw);
- return 0;
+ return PTR_RET(net->ipv4.iptable_raw);
}
static void __net_exit iptable_raw_net_exit(struct net *net)
rawtable_ops = xt_hook_link(&packet_raw, iptable_raw_hook);
if (IS_ERR(rawtable_ops)) {
ret = PTR_ERR(rawtable_ops);
- goto cleanup_table;
+ unregister_pernet_subsys(&iptable_raw_net_ops);
}
return ret;
-
- cleanup_table:
- unregister_pernet_subsys(&iptable_raw_net_ops);
- return ret;
}
static void __exit iptable_raw_fini(void)
net->ipv4.iptable_security =
ipt_register_table(net, &security_table, repl);
kfree(repl);
- if (IS_ERR(net->ipv4.iptable_security))
- return PTR_ERR(net->ipv4.iptable_security);
-
- return 0;
+ return PTR_RET(net->ipv4.iptable_security);
}
static void __net_exit iptable_security_net_exit(struct net *net)
return sk;
}
-static void inet_get_ping_group_range_net(struct net *net, gid_t *low,
- gid_t *high)
+static void inet_get_ping_group_range_net(struct net *net, kgid_t *low,
+ kgid_t *high)
{
- gid_t *data = net->ipv4.sysctl_ping_group_range;
+ kgid_t *data = net->ipv4.sysctl_ping_group_range;
unsigned int seq;
do {
static int ping_init_sock(struct sock *sk)
{
struct net *net = sock_net(sk);
- gid_t group = current_egid();
- gid_t range[2];
+ kgid_t group = current_egid();
struct group_info *group_info = get_current_groups();
int i, j, count = group_info->ngroups;
kgid_t low, high;
- inet_get_ping_group_range_net(net, range, range+1);
- low = make_kgid(&init_user_ns, range[0]);
- high = make_kgid(&init_user_ns, range[1]);
- if (!gid_valid(low) || !gid_valid(high) || gid_lt(high, low))
- return -EACCES;
-
- if (range[0] <= group && group <= range[1])
+ inet_get_ping_group_range_net(net, &low, &high);
+ if (gid_lte(low, group) && gid_lte(group, high))
return 0;
for (i = 0; i < group_info->nblocks; i++) {
bucket, src, srcp, dest, destp, sp->sk_state,
sk_wmem_alloc_get(sp),
sk_rmem_alloc_get(sp),
- 0, 0L, 0, sock_i_uid(sp), 0, sock_i_ino(sp),
+ 0, 0L, 0,
+ from_kuid_munged(seq_user_ns(f), sock_i_uid(sp)),
+ 0, sock_i_ino(sp),
atomic_read(&sp->sk_refcnt), sp,
atomic_read(&sp->sk_drops), len);
}
i, src, srcp, dest, destp, sp->sk_state,
sk_wmem_alloc_get(sp),
sk_rmem_alloc_get(sp),
- 0, 0L, 0, sock_i_uid(sp), 0, sock_i_ino(sp),
+ 0, 0L, 0,
+ from_kuid_munged(seq_user_ns(seq), sock_i_uid(sp)),
+ 0, sock_i_ino(sp),
atomic_read(&sp->sk_refcnt), sp, atomic_read(&sp->sk_drops));
}
if (ipv4_is_zeronet(daddr))
goto martian_destination;
- if (likely(!IN_DEV_ROUTE_LOCALNET(in_dev))) {
- if (ipv4_is_loopback(daddr))
+ /* Following code try to avoid calling IN_DEV_NET_ROUTE_LOCALNET(),
+ * and call it once if daddr or/and saddr are loopback addresses
+ */
+ if (ipv4_is_loopback(daddr)) {
+ if (!IN_DEV_NET_ROUTE_LOCALNET(in_dev, net))
goto martian_destination;
-
- if (ipv4_is_loopback(saddr))
+ } else if (ipv4_is_loopback(saddr)) {
+ if (!IN_DEV_NET_ROUTE_LOCALNET(in_dev, net))
goto martian_source;
}
if (res.type == RTN_LOCAL) {
err = fib_validate_source(skb, saddr, daddr, tos,
- net->loopback_dev->ifindex,
+ LOOPBACK_IFINDEX,
dev, in_dev, &itag);
if (err < 0)
goto martian_source_keep_err;
orig_oif = fl4->flowi4_oif;
- fl4->flowi4_iif = net->loopback_dev->ifindex;
+ fl4->flowi4_iif = LOOPBACK_IFINDEX;
fl4->flowi4_tos = tos & IPTOS_RT_MASK;
fl4->flowi4_scope = ((tos & RTO_ONLINK) ?
RT_SCOPE_LINK : RT_SCOPE_UNIVERSE);
if (!fl4->daddr)
fl4->daddr = fl4->saddr = htonl(INADDR_LOOPBACK);
dev_out = net->loopback_dev;
- fl4->flowi4_oif = net->loopback_dev->ifindex;
+ fl4->flowi4_oif = LOOPBACK_IFINDEX;
res.type = RTN_LOCAL;
flags |= RTCF_LOCAL;
goto make_route;
}
-static void inet_get_ping_group_range_table(struct ctl_table *table, gid_t *low, gid_t *high)
+static void inet_get_ping_group_range_table(struct ctl_table *table, kgid_t *low, kgid_t *high)
{
- gid_t *data = table->data;
+ kgid_t *data = table->data;
unsigned int seq;
do {
seq = read_seqbegin(&sysctl_local_ports.lock);
}
/* Update system visible IP port range */
-static void set_ping_group_range(struct ctl_table *table, gid_t range[2])
+static void set_ping_group_range(struct ctl_table *table, kgid_t low, kgid_t high)
{
- gid_t *data = table->data;
+ kgid_t *data = table->data;
write_seqlock(&sysctl_local_ports.lock);
- data[0] = range[0];
- data[1] = range[1];
+ data[0] = low;
+ data[1] = high;
write_sequnlock(&sysctl_local_ports.lock);
}
void __user *buffer,
size_t *lenp, loff_t *ppos)
{
+ struct user_namespace *user_ns = current_user_ns();
int ret;
- gid_t range[2];
+ gid_t urange[2];
+ kgid_t low, high;
ctl_table tmp = {
- .data = &range,
- .maxlen = sizeof(range),
+ .data = &urange,
+ .maxlen = sizeof(urange),
.mode = table->mode,
.extra1 = &ip_ping_group_range_min,
.extra2 = &ip_ping_group_range_max,
};
- inet_get_ping_group_range_table(table, range, range + 1);
+ inet_get_ping_group_range_table(table, &low, &high);
+ urange[0] = from_kgid_munged(user_ns, low);
+ urange[1] = from_kgid_munged(user_ns, high);
ret = proc_dointvec_minmax(&tmp, write, buffer, lenp, ppos);
- if (write && ret == 0)
- set_ping_group_range(table, range);
+ if (write && ret == 0) {
+ low = make_kgid(user_ns, urange[0]);
+ high = make_kgid(user_ns, urange[1]);
+ if (!gid_valid(low) || !gid_valid(high) ||
+ (urange[1] < urange[0]) || gid_lt(high, low)) {
+ low = make_kgid(&init_user_ns, 1);
+ high = make_kgid(&init_user_ns, 0);
+ }
+ set_ping_group_range(table, low, high);
+ }
return ret;
}
{
.procname = "ping_group_range",
.data = &init_net.ipv4.sysctl_ping_group_range,
- .maxlen = sizeof(init_net.ipv4.sysctl_ping_group_range),
+ .maxlen = sizeof(gid_t)*2,
.mode = 0644,
.proc_handler = ipv4_ping_group_range,
},
* Sane defaults - nobody may create ping sockets.
* Boot scripts should set this to distro-specific group.
*/
- net->ipv4.sysctl_ping_group_range[0] = 1;
- net->ipv4.sysctl_ping_group_range[1] = 0;
+ net->ipv4.sysctl_ping_group_range[0] = make_kgid(&init_user_ns, 1);
+ net->ipv4.sysctl_ping_group_range[1] = make_kgid(&init_user_ns, 0);
tcp_init_mem(net);
tcp_enter_quickack_mode((struct sock *)tp);
break;
case INET_ECN_CE:
- tp->ecn_flags |= TCP_ECN_DEMAND_CWR;
+ if (!(tp->ecn_flags & TCP_ECN_DEMAND_CWR)) {
+ /* Better not delay acks, sender can have a very low cwnd */
+ tcp_enter_quickack_mode((struct sock *)tp);
+ tp->ecn_flags |= TCP_ECN_DEMAND_CWR;
+ }
/* fallinto */
default:
tp->ecn_flags |= TCP_ECN_SEEN;
TCP_ECN_rcv_synack(tp, th);
- tp->snd_wl1 = TCP_SKB_CB(skb)->seq;
+ tcp_init_wl(tp, TCP_SKB_CB(skb)->seq);
tcp_ack(sk, skb, FLAG_SLOWPATH);
/* Ok.. it's good. Set up sequence numbers and
* never scaled.
*/
tp->snd_wnd = ntohs(th->window);
- tcp_init_wl(tp, TCP_SKB_CB(skb)->seq);
if (!tp->rx_opt.wscale_ok) {
tp->rx_opt.snd_wscale = tp->rx_opt.rcv_wscale = 0;
EXPORT_SYMBOL(tcp_proc_unregister);
static void get_openreq4(const struct sock *sk, const struct request_sock *req,
- struct seq_file *f, int i, int uid, int *len)
+ struct seq_file *f, int i, kuid_t uid, int *len)
{
const struct inet_request_sock *ireq = inet_rsk(req);
- int ttd = req->expires - jiffies;
+ long delta = req->expires - jiffies;
seq_printf(f, "%4d: %08X:%04X %08X:%04X"
" %02X %08X:%08X %02X:%08lX %08X %5d %8d %u %d %pK%n",
TCP_SYN_RECV,
0, 0, /* could print option size, but that is af dependent. */
1, /* timers active (only the expire timer) */
- jiffies_to_clock_t(ttd),
+ jiffies_delta_to_clock_t(delta),
req->retrans,
- uid,
+ from_kuid_munged(seq_user_ns(f), uid),
0, /* non standard timer */
0, /* open_requests have no inode */
atomic_read(&sk->sk_refcnt),
tp->write_seq - tp->snd_una,
rx_queue,
timer_active,
- jiffies_to_clock_t(timer_expires - jiffies),
+ jiffies_delta_to_clock_t(timer_expires - jiffies),
icsk->icsk_retransmits,
- sock_i_uid(sk),
+ from_kuid_munged(seq_user_ns(f), sock_i_uid(sk)),
icsk->icsk_probes_out,
sock_i_ino(sk),
atomic_read(&sk->sk_refcnt), sk,
{
__be32 dest, src;
__u16 destp, srcp;
- int ttd = tw->tw_ttd - jiffies;
-
- if (ttd < 0)
- ttd = 0;
+ long delta = tw->tw_ttd - jiffies;
dest = tw->tw_daddr;
src = tw->tw_rcv_saddr;
seq_printf(f, "%4d: %08X:%04X %08X:%04X"
" %02X %08X:%08X %02X:%08lX %08X %5d %8d %d %d %pK%n",
i, src, srcp, dest, destp, tw->tw_substate, 0, 0,
- 3, jiffies_to_clock_t(ttd), 0, 0, 0, 0,
+ 3, jiffies_delta_to_clock_t(delta), 0, 0, 0, 0,
atomic_read(&tw->tw_refcnt), tw, len);
}
bucket, src, srcp, dest, destp, sp->sk_state,
sk_wmem_alloc_get(sp),
sk_rmem_alloc_get(sp),
- 0, 0L, 0, sock_i_uid(sp), 0, sock_i_ino(sp),
+ 0, 0L, 0,
+ from_kuid_munged(seq_user_ns(f), sock_i_uid(sp)),
+ 0, sock_i_ino(sp),
atomic_read(&sp->sk_refcnt), sp,
atomic_read(&sp->sk_drops), len);
}
if (!inet_diag_bc_sk(bc, sk))
return 0;
- return inet_sk_diag_fill(sk, NULL, skb, req, NETLINK_CB(cb->skb).pid,
+ return inet_sk_diag_fill(sk, NULL, skb, req,
+ sk_user_ns(NETLINK_CB(cb->skb).ssk),
+ NETLINK_CB(cb->skb).pid,
cb->nlh->nlmsg_seq, NLM_F_MULTI, cb->nlh);
}
goto out;
err = inet_sk_diag_fill(sk, NULL, rep, req,
+ sk_user_ns(NETLINK_CB(in_skb).ssk),
NETLINK_CB(in_skb).pid,
nlh->nlmsg_seq, 0, nlh);
if (err < 0) {
If unsure, say N.
+config IPV6_GRE
+ tristate "IPv6: GRE tunnel"
+ select IPV6_TUNNEL
+ ---help---
+ Tunneling means encapsulating data of one protocol type within
+ another protocol and sending it over a channel that understands the
+ encapsulating protocol. This particular tunneling driver implements
+ GRE (Generic Routing Encapsulation) and at this time allows
+ encapsulating of IPv4 or IPv6 over existing IPv6 infrastructure.
+ This driver is useful if the other endpoint is a Cisco router: Cisco
+ likes GRE much better than the other Linux tunneling driver ("IP
+ tunneling" above). In addition, GRE allows multicast redistribution
+ through the tunnel.
+
+ Saying M here will produce a module called ip6_gre. If unsure, say N.
+
config IPV6_MULTIPLE_TABLES
bool "IPv6: Multiple Routing Tables"
depends on EXPERIMENTAL
obj-$(CONFIG_IPV6_SIT) += sit.o
obj-$(CONFIG_IPV6_TUNNEL) += ip6_tunnel.o
+obj-$(CONFIG_IPV6_GRE) += ip6_gre.o
obj-y += addrconf_core.o exthdrs_core.o
#include <linux/seq_file.h>
#include <linux/slab.h>
#include <linux/export.h>
+#include <linux/pid_namespace.h>
#include <net/net_namespace.h>
#include <net/sock.h>
static void fl_free(struct ip6_flowlabel *fl)
{
if (fl) {
+ if (fl->share == IPV6_FL_S_PROCESS)
+ put_pid(fl->owner.pid);
release_net(fl->fl_net);
kfree(fl->opt);
}
case IPV6_FL_S_ANY:
break;
case IPV6_FL_S_PROCESS:
- fl->owner = current->pid;
+ fl->owner.pid = get_task_pid(current, PIDTYPE_PID);
break;
case IPV6_FL_S_USER:
- fl->owner = current_euid();
+ fl->owner.uid = current_euid();
break;
default:
err = -EINVAL;
err = -EPERM;
if (fl1->share == IPV6_FL_S_EXCL ||
fl1->share != fl->share ||
- fl1->owner != fl->owner)
+ ((fl1->share == IPV6_FL_S_PROCESS) &&
+ (fl1->owner.pid == fl->owner.pid)) ||
+ ((fl1->share == IPV6_FL_S_USER) &&
+ uid_eq(fl1->owner.uid, fl->owner.uid)))
goto release;
err = -EINVAL;
struct ip6fl_iter_state {
struct seq_net_private p;
+ struct pid_namespace *pid_ns;
int bucket;
};
static int ip6fl_seq_show(struct seq_file *seq, void *v)
{
+ struct ip6fl_iter_state *state = ip6fl_seq_private(seq);
if (v == SEQ_START_TOKEN)
seq_printf(seq, "%-5s %-1s %-6s %-6s %-6s %-8s %-32s %s\n",
"Label", "S", "Owner", "Users", "Linger", "Expires", "Dst", "Opt");
"%05X %-1d %-6d %-6d %-6ld %-8ld %pi6 %-4d\n",
(unsigned int)ntohl(fl->label),
fl->share,
- (int)fl->owner,
+ ((fl->share == IPV6_FL_S_PROCESS) ?
+ pid_nr_ns(fl->owner.pid, state->pid_ns) :
+ ((fl->share == IPV6_FL_S_USER) ?
+ from_kuid_munged(seq_user_ns(seq), fl->owner.uid) :
+ 0)),
atomic_read(&fl->users),
fl->linger/HZ,
(long)(fl->expires - jiffies)/HZ,
static int ip6fl_seq_open(struct inode *inode, struct file *file)
{
- return seq_open_net(inode, file, &ip6fl_seq_ops,
- sizeof(struct ip6fl_iter_state));
+ struct seq_file *seq;
+ struct ip6fl_iter_state *state;
+ int err;
+
+ err = seq_open_net(inode, file, &ip6fl_seq_ops,
+ sizeof(struct ip6fl_iter_state));
+
+ if (!err) {
+ seq = file->private_data;
+ state = ip6fl_seq_private(seq);
+ rcu_read_lock();
+ state->pid_ns = get_pid_ns(task_active_pid_ns(current));
+ rcu_read_unlock();
+ }
+ return err;
+}
+
+static int ip6fl_seq_release(struct inode *inode, struct file *file)
+{
+ struct seq_file *seq = file->private_data;
+ struct ip6fl_iter_state *state = ip6fl_seq_private(seq);
+ put_pid_ns(state->pid_ns);
+ return seq_release_net(inode, file);
}
static const struct file_operations ip6fl_seq_fops = {
.open = ip6fl_seq_open,
.read = seq_read,
.llseek = seq_lseek,
- .release = seq_release_net,
+ .release = ip6fl_seq_release,
};
static int __net_init ip6_flowlabel_proc_init(struct net *net)
--- /dev/null
+/*
+ * GRE over IPv6 protocol decoder.
+ *
+ * Authors: Dmitry Kozlov (xeb@mail.ru)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ *
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/capability.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/uaccess.h>
+#include <linux/skbuff.h>
+#include <linux/netdevice.h>
+#include <linux/in.h>
+#include <linux/tcp.h>
+#include <linux/udp.h>
+#include <linux/if_arp.h>
+#include <linux/mroute.h>
+#include <linux/init.h>
+#include <linux/in6.h>
+#include <linux/inetdevice.h>
+#include <linux/igmp.h>
+#include <linux/netfilter_ipv4.h>
+#include <linux/etherdevice.h>
+#include <linux/if_ether.h>
+#include <linux/hash.h>
+#include <linux/if_tunnel.h>
+#include <linux/ip6_tunnel.h>
+
+#include <net/sock.h>
+#include <net/ip.h>
+#include <net/icmp.h>
+#include <net/protocol.h>
+#include <net/addrconf.h>
+#include <net/arp.h>
+#include <net/checksum.h>
+#include <net/dsfield.h>
+#include <net/inet_ecn.h>
+#include <net/xfrm.h>
+#include <net/net_namespace.h>
+#include <net/netns/generic.h>
+#include <net/rtnetlink.h>
+
+#include <net/ipv6.h>
+#include <net/ip6_fib.h>
+#include <net/ip6_route.h>
+#include <net/ip6_tunnel.h>
+
+
+#define IPV6_TCLASS_MASK (IPV6_FLOWINFO_MASK & ~IPV6_FLOWLABEL_MASK)
+#define IPV6_TCLASS_SHIFT 20
+
+#define HASH_SIZE_SHIFT 5
+#define HASH_SIZE (1 << HASH_SIZE_SHIFT)
+
+static int ip6gre_net_id __read_mostly;
+struct ip6gre_net {
+ struct ip6_tnl __rcu *tunnels[4][HASH_SIZE];
+
+ struct net_device *fb_tunnel_dev;
+};
+
+static struct rtnl_link_ops ip6gre_link_ops __read_mostly;
+static int ip6gre_tunnel_init(struct net_device *dev);
+static void ip6gre_tunnel_setup(struct net_device *dev);
+static void ip6gre_tunnel_link(struct ip6gre_net *ign, struct ip6_tnl *t);
+static void ip6gre_tnl_link_config(struct ip6_tnl *t, int set_mtu);
+
+/* Tunnel hash table */
+
+/*
+ 4 hash tables:
+
+ 3: (remote,local)
+ 2: (remote,*)
+ 1: (*,local)
+ 0: (*,*)
+
+ We require exact key match i.e. if a key is present in packet
+ it will match only tunnel with the same key; if it is not present,
+ it will match only keyless tunnel.
+
+ All keysless packets, if not matched configured keyless tunnels
+ will match fallback tunnel.
+ */
+
+#define HASH_KEY(key) (((__force u32)key^((__force u32)key>>4))&(HASH_SIZE - 1))
+static u32 HASH_ADDR(const struct in6_addr *addr)
+{
+ u32 hash = ipv6_addr_hash(addr);
+
+ return hash_32(hash, HASH_SIZE_SHIFT);
+}
+
+#define tunnels_r_l tunnels[3]
+#define tunnels_r tunnels[2]
+#define tunnels_l tunnels[1]
+#define tunnels_wc tunnels[0]
+/*
+ * Locking : hash tables are protected by RCU and RTNL
+ */
+
+#define for_each_ip_tunnel_rcu(start) \
+ for (t = rcu_dereference(start); t; t = rcu_dereference(t->next))
+
+/* often modified stats are per cpu, other are shared (netdev->stats) */
+struct pcpu_tstats {
+ u64 rx_packets;
+ u64 rx_bytes;
+ u64 tx_packets;
+ u64 tx_bytes;
+ struct u64_stats_sync syncp;
+};
+
+static struct rtnl_link_stats64 *ip6gre_get_stats64(struct net_device *dev,
+ struct rtnl_link_stats64 *tot)
+{
+ int i;
+
+ for_each_possible_cpu(i) {
+ const struct pcpu_tstats *tstats = per_cpu_ptr(dev->tstats, i);
+ u64 rx_packets, rx_bytes, tx_packets, tx_bytes;
+ unsigned int start;
+
+ do {
+ start = u64_stats_fetch_begin_bh(&tstats->syncp);
+ rx_packets = tstats->rx_packets;
+ tx_packets = tstats->tx_packets;
+ rx_bytes = tstats->rx_bytes;
+ tx_bytes = tstats->tx_bytes;
+ } while (u64_stats_fetch_retry_bh(&tstats->syncp, start));
+
+ tot->rx_packets += rx_packets;
+ tot->tx_packets += tx_packets;
+ tot->rx_bytes += rx_bytes;
+ tot->tx_bytes += tx_bytes;
+ }
+
+ tot->multicast = dev->stats.multicast;
+ tot->rx_crc_errors = dev->stats.rx_crc_errors;
+ tot->rx_fifo_errors = dev->stats.rx_fifo_errors;
+ tot->rx_length_errors = dev->stats.rx_length_errors;
+ tot->rx_errors = dev->stats.rx_errors;
+ tot->tx_fifo_errors = dev->stats.tx_fifo_errors;
+ tot->tx_carrier_errors = dev->stats.tx_carrier_errors;
+ tot->tx_dropped = dev->stats.tx_dropped;
+ tot->tx_aborted_errors = dev->stats.tx_aborted_errors;
+ tot->tx_errors = dev->stats.tx_errors;
+
+ return tot;
+}
+
+/* Given src, dst and key, find appropriate for input tunnel. */
+
+static struct ip6_tnl *ip6gre_tunnel_lookup(struct net_device *dev,
+ const struct in6_addr *remote, const struct in6_addr *local,
+ __be32 key, __be16 gre_proto)
+{
+ struct net *net = dev_net(dev);
+ int link = dev->ifindex;
+ unsigned int h0 = HASH_ADDR(remote);
+ unsigned int h1 = HASH_KEY(key);
+ struct ip6_tnl *t, *cand = NULL;
+ struct ip6gre_net *ign = net_generic(net, ip6gre_net_id);
+ int dev_type = (gre_proto == htons(ETH_P_TEB)) ?
+ ARPHRD_ETHER : ARPHRD_IP6GRE;
+ int score, cand_score = 4;
+
+ for_each_ip_tunnel_rcu(ign->tunnels_r_l[h0 ^ h1]) {
+ if (!ipv6_addr_equal(local, &t->parms.laddr) ||
+ !ipv6_addr_equal(remote, &t->parms.raddr) ||
+ key != t->parms.i_key ||
+ !(t->dev->flags & IFF_UP))
+ continue;
+
+ if (t->dev->type != ARPHRD_IP6GRE &&
+ t->dev->type != dev_type)
+ continue;
+
+ score = 0;
+ if (t->parms.link != link)
+ score |= 1;
+ if (t->dev->type != dev_type)
+ score |= 2;
+ if (score == 0)
+ return t;
+
+ if (score < cand_score) {
+ cand = t;
+ cand_score = score;
+ }
+ }
+
+ for_each_ip_tunnel_rcu(ign->tunnels_r[h0 ^ h1]) {
+ if (!ipv6_addr_equal(remote, &t->parms.raddr) ||
+ key != t->parms.i_key ||
+ !(t->dev->flags & IFF_UP))
+ continue;
+
+ if (t->dev->type != ARPHRD_IP6GRE &&
+ t->dev->type != dev_type)
+ continue;
+
+ score = 0;
+ if (t->parms.link != link)
+ score |= 1;
+ if (t->dev->type != dev_type)
+ score |= 2;
+ if (score == 0)
+ return t;
+
+ if (score < cand_score) {
+ cand = t;
+ cand_score = score;
+ }
+ }
+
+ for_each_ip_tunnel_rcu(ign->tunnels_l[h1]) {
+ if ((!ipv6_addr_equal(local, &t->parms.laddr) &&
+ (!ipv6_addr_equal(local, &t->parms.raddr) ||
+ !ipv6_addr_is_multicast(local))) ||
+ key != t->parms.i_key ||
+ !(t->dev->flags & IFF_UP))
+ continue;
+
+ if (t->dev->type != ARPHRD_IP6GRE &&
+ t->dev->type != dev_type)
+ continue;
+
+ score = 0;
+ if (t->parms.link != link)
+ score |= 1;
+ if (t->dev->type != dev_type)
+ score |= 2;
+ if (score == 0)
+ return t;
+
+ if (score < cand_score) {
+ cand = t;
+ cand_score = score;
+ }
+ }
+
+ for_each_ip_tunnel_rcu(ign->tunnels_wc[h1]) {
+ if (t->parms.i_key != key ||
+ !(t->dev->flags & IFF_UP))
+ continue;
+
+ if (t->dev->type != ARPHRD_IP6GRE &&
+ t->dev->type != dev_type)
+ continue;
+
+ score = 0;
+ if (t->parms.link != link)
+ score |= 1;
+ if (t->dev->type != dev_type)
+ score |= 2;
+ if (score == 0)
+ return t;
+
+ if (score < cand_score) {
+ cand = t;
+ cand_score = score;
+ }
+ }
+
+ if (cand != NULL)
+ return cand;
+
+ dev = ign->fb_tunnel_dev;
+ if (dev->flags & IFF_UP)
+ return netdev_priv(dev);
+
+ return NULL;
+}
+
+static struct ip6_tnl __rcu **__ip6gre_bucket(struct ip6gre_net *ign,
+ const struct __ip6_tnl_parm *p)
+{
+ const struct in6_addr *remote = &p->raddr;
+ const struct in6_addr *local = &p->laddr;
+ unsigned int h = HASH_KEY(p->i_key);
+ int prio = 0;
+
+ if (!ipv6_addr_any(local))
+ prio |= 1;
+ if (!ipv6_addr_any(remote) && !ipv6_addr_is_multicast(remote)) {
+ prio |= 2;
+ h ^= HASH_ADDR(remote);
+ }
+
+ return &ign->tunnels[prio][h];
+}
+
+static inline struct ip6_tnl __rcu **ip6gre_bucket(struct ip6gre_net *ign,
+ const struct ip6_tnl *t)
+{
+ return __ip6gre_bucket(ign, &t->parms);
+}
+
+static void ip6gre_tunnel_link(struct ip6gre_net *ign, struct ip6_tnl *t)
+{
+ struct ip6_tnl __rcu **tp = ip6gre_bucket(ign, t);
+
+ rcu_assign_pointer(t->next, rtnl_dereference(*tp));
+ rcu_assign_pointer(*tp, t);
+}
+
+static void ip6gre_tunnel_unlink(struct ip6gre_net *ign, struct ip6_tnl *t)
+{
+ struct ip6_tnl __rcu **tp;
+ struct ip6_tnl *iter;
+
+ for (tp = ip6gre_bucket(ign, t);
+ (iter = rtnl_dereference(*tp)) != NULL;
+ tp = &iter->next) {
+ if (t == iter) {
+ rcu_assign_pointer(*tp, t->next);
+ break;
+ }
+ }
+}
+
+static struct ip6_tnl *ip6gre_tunnel_find(struct net *net,
+ const struct __ip6_tnl_parm *parms,
+ int type)
+{
+ const struct in6_addr *remote = &parms->raddr;
+ const struct in6_addr *local = &parms->laddr;
+ __be32 key = parms->i_key;
+ int link = parms->link;
+ struct ip6_tnl *t;
+ struct ip6_tnl __rcu **tp;
+ struct ip6gre_net *ign = net_generic(net, ip6gre_net_id);
+
+ for (tp = __ip6gre_bucket(ign, parms);
+ (t = rtnl_dereference(*tp)) != NULL;
+ tp = &t->next)
+ if (ipv6_addr_equal(local, &t->parms.laddr) &&
+ ipv6_addr_equal(remote, &t->parms.raddr) &&
+ key == t->parms.i_key &&
+ link == t->parms.link &&
+ type == t->dev->type)
+ break;
+
+ return t;
+}
+
+static struct ip6_tnl *ip6gre_tunnel_locate(struct net *net,
+ const struct __ip6_tnl_parm *parms, int create)
+{
+ struct ip6_tnl *t, *nt;
+ struct net_device *dev;
+ char name[IFNAMSIZ];
+ struct ip6gre_net *ign = net_generic(net, ip6gre_net_id);
+
+ t = ip6gre_tunnel_find(net, parms, ARPHRD_IP6GRE);
+ if (t || !create)
+ return t;
+
+ if (parms->name[0])
+ strlcpy(name, parms->name, IFNAMSIZ);
+ else
+ strcpy(name, "ip6gre%d");
+
+ dev = alloc_netdev(sizeof(*t), name, ip6gre_tunnel_setup);
+ if (!dev)
+ return NULL;
+
+ dev_net_set(dev, net);
+
+ nt = netdev_priv(dev);
+ nt->parms = *parms;
+ dev->rtnl_link_ops = &ip6gre_link_ops;
+
+ nt->dev = dev;
+ ip6gre_tnl_link_config(nt, 1);
+
+ if (register_netdevice(dev) < 0)
+ goto failed_free;
+
+ /* Can use a lockless transmit, unless we generate output sequences */
+ if (!(nt->parms.o_flags & GRE_SEQ))
+ dev->features |= NETIF_F_LLTX;
+
+ dev_hold(dev);
+ ip6gre_tunnel_link(ign, nt);
+ return nt;
+
+failed_free:
+ free_netdev(dev);
+ return NULL;
+}
+
+static void ip6gre_tunnel_uninit(struct net_device *dev)
+{
+ struct net *net = dev_net(dev);
+ struct ip6gre_net *ign = net_generic(net, ip6gre_net_id);
+
+ ip6gre_tunnel_unlink(ign, netdev_priv(dev));
+ dev_put(dev);
+}
+
+
+static void ip6gre_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
+ u8 type, u8 code, int offset, __be32 info)
+{
+ const struct ipv6hdr *ipv6h = (const struct ipv6hdr *)skb->data;
+ __be16 *p = (__be16 *)(skb->data + offset);
+ int grehlen = offset + 4;
+ struct ip6_tnl *t;
+ __be16 flags;
+
+ flags = p[0];
+ if (flags&(GRE_CSUM|GRE_KEY|GRE_SEQ|GRE_ROUTING|GRE_VERSION)) {
+ if (flags&(GRE_VERSION|GRE_ROUTING))
+ return;
+ if (flags&GRE_KEY) {
+ grehlen += 4;
+ if (flags&GRE_CSUM)
+ grehlen += 4;
+ }
+ }
+
+ /* If only 8 bytes returned, keyed message will be dropped here */
+ if (!pskb_may_pull(skb, grehlen))
+ return;
+ ipv6h = (const struct ipv6hdr *)skb->data;
+ p = (__be16 *)(skb->data + offset);
+
+ rcu_read_lock();
+
+ t = ip6gre_tunnel_lookup(skb->dev, &ipv6h->daddr, &ipv6h->saddr,
+ flags & GRE_KEY ?
+ *(((__be32 *)p) + (grehlen / 4) - 1) : 0,
+ p[1]);
+ if (t == NULL)
+ goto out;
+
+ switch (type) {
+ __u32 teli;
+ struct ipv6_tlv_tnl_enc_lim *tel;
+ __u32 mtu;
+ case ICMPV6_DEST_UNREACH:
+ net_warn_ratelimited("%s: Path to destination invalid or inactive!\n",
+ t->parms.name);
+ break;
+ case ICMPV6_TIME_EXCEED:
+ if (code == ICMPV6_EXC_HOPLIMIT) {
+ net_warn_ratelimited("%s: Too small hop limit or routing loop in tunnel!\n",
+ t->parms.name);
+ }
+ break;
+ case ICMPV6_PARAMPROB:
+ teli = 0;
+ if (code == ICMPV6_HDR_FIELD)
+ teli = ip6_tnl_parse_tlv_enc_lim(skb, skb->data);
+
+ if (teli && teli == info - 2) {
+ tel = (struct ipv6_tlv_tnl_enc_lim *) &skb->data[teli];
+ if (tel->encap_limit == 0) {
+ net_warn_ratelimited("%s: Too small encapsulation limit or routing loop in tunnel!\n",
+ t->parms.name);
+ }
+ } else {
+ net_warn_ratelimited("%s: Recipient unable to parse tunneled packet!\n",
+ t->parms.name);
+ }
+ break;
+ case ICMPV6_PKT_TOOBIG:
+ mtu = info - offset;
+ if (mtu < IPV6_MIN_MTU)
+ mtu = IPV6_MIN_MTU;
+ t->dev->mtu = mtu;
+ break;
+ }
+
+ if (time_before(jiffies, t->err_time + IP6TUNNEL_ERR_TIMEO))
+ t->err_count++;
+ else
+ t->err_count = 1;
+ t->err_time = jiffies;
+out:
+ rcu_read_unlock();
+}
+
+static inline void ip6gre_ecn_decapsulate_ipv4(const struct ip6_tnl *t,
+ const struct ipv6hdr *ipv6h, struct sk_buff *skb)
+{
+ __u8 dsfield = ipv6_get_dsfield(ipv6h) & ~INET_ECN_MASK;
+
+ if (t->parms.flags & IP6_TNL_F_RCV_DSCP_COPY)
+ ipv4_change_dsfield(ip_hdr(skb), INET_ECN_MASK, dsfield);
+
+ if (INET_ECN_is_ce(dsfield))
+ IP_ECN_set_ce(ip_hdr(skb));
+}
+
+static inline void ip6gre_ecn_decapsulate_ipv6(const struct ip6_tnl *t,
+ const struct ipv6hdr *ipv6h, struct sk_buff *skb)
+{
+ if (t->parms.flags & IP6_TNL_F_RCV_DSCP_COPY)
+ ipv6_copy_dscp(ipv6_get_dsfield(ipv6h), ipv6_hdr(skb));
+
+ if (INET_ECN_is_ce(ipv6_get_dsfield(ipv6h)))
+ IP6_ECN_set_ce(ipv6_hdr(skb));
+}
+
+static int ip6gre_rcv(struct sk_buff *skb)
+{
+ const struct ipv6hdr *ipv6h;
+ u8 *h;
+ __be16 flags;
+ __sum16 csum = 0;
+ __be32 key = 0;
+ u32 seqno = 0;
+ struct ip6_tnl *tunnel;
+ int offset = 4;
+ __be16 gre_proto;
+
+ if (!pskb_may_pull(skb, sizeof(struct in6_addr)))
+ goto drop_nolock;
+
+ ipv6h = ipv6_hdr(skb);
+ h = skb->data;
+ flags = *(__be16 *)h;
+
+ if (flags&(GRE_CSUM|GRE_KEY|GRE_ROUTING|GRE_SEQ|GRE_VERSION)) {
+ /* - Version must be 0.
+ - We do not support routing headers.
+ */
+ if (flags&(GRE_VERSION|GRE_ROUTING))
+ goto drop_nolock;
+
+ if (flags&GRE_CSUM) {
+ switch (skb->ip_summed) {
+ case CHECKSUM_COMPLETE:
+ csum = csum_fold(skb->csum);
+ if (!csum)
+ break;
+ /* fall through */
+ case CHECKSUM_NONE:
+ skb->csum = 0;
+ csum = __skb_checksum_complete(skb);
+ skb->ip_summed = CHECKSUM_COMPLETE;
+ }
+ offset += 4;
+ }
+ if (flags&GRE_KEY) {
+ key = *(__be32 *)(h + offset);
+ offset += 4;
+ }
+ if (flags&GRE_SEQ) {
+ seqno = ntohl(*(__be32 *)(h + offset));
+ offset += 4;
+ }
+ }
+
+ gre_proto = *(__be16 *)(h + 2);
+
+ rcu_read_lock();
+ tunnel = ip6gre_tunnel_lookup(skb->dev,
+ &ipv6h->saddr, &ipv6h->daddr, key,
+ gre_proto);
+ if (tunnel) {
+ struct pcpu_tstats *tstats;
+
+ if (!xfrm6_policy_check(NULL, XFRM_POLICY_IN, skb))
+ goto drop;
+
+ if (!ip6_tnl_rcv_ctl(tunnel, &ipv6h->daddr, &ipv6h->saddr)) {
+ tunnel->dev->stats.rx_dropped++;
+ goto drop;
+ }
+
+ secpath_reset(skb);
+
+ skb->protocol = gre_proto;
+ /* WCCP version 1 and 2 protocol decoding.
+ * - Change protocol to IP
+ * - When dealing with WCCPv2, Skip extra 4 bytes in GRE header
+ */
+ if (flags == 0 && gre_proto == htons(ETH_P_WCCP)) {
+ skb->protocol = htons(ETH_P_IP);
+ if ((*(h + offset) & 0xF0) != 0x40)
+ offset += 4;
+ }
+
+ skb->mac_header = skb->network_header;
+ __pskb_pull(skb, offset);
+ skb_postpull_rcsum(skb, skb_transport_header(skb), offset);
+ skb->pkt_type = PACKET_HOST;
+
+ if (((flags&GRE_CSUM) && csum) ||
+ (!(flags&GRE_CSUM) && tunnel->parms.i_flags&GRE_CSUM)) {
+ tunnel->dev->stats.rx_crc_errors++;
+ tunnel->dev->stats.rx_errors++;
+ goto drop;
+ }
+ if (tunnel->parms.i_flags&GRE_SEQ) {
+ if (!(flags&GRE_SEQ) ||
+ (tunnel->i_seqno &&
+ (s32)(seqno - tunnel->i_seqno) < 0)) {
+ tunnel->dev->stats.rx_fifo_errors++;
+ tunnel->dev->stats.rx_errors++;
+ goto drop;
+ }
+ tunnel->i_seqno = seqno + 1;
+ }
+
+ /* Warning: All skb pointers will be invalidated! */
+ if (tunnel->dev->type == ARPHRD_ETHER) {
+ if (!pskb_may_pull(skb, ETH_HLEN)) {
+ tunnel->dev->stats.rx_length_errors++;
+ tunnel->dev->stats.rx_errors++;
+ goto drop;
+ }
+
+ ipv6h = ipv6_hdr(skb);
+ skb->protocol = eth_type_trans(skb, tunnel->dev);
+ skb_postpull_rcsum(skb, eth_hdr(skb), ETH_HLEN);
+ }
+
+ tstats = this_cpu_ptr(tunnel->dev->tstats);
+ u64_stats_update_begin(&tstats->syncp);
+ tstats->rx_packets++;
+ tstats->rx_bytes += skb->len;
+ u64_stats_update_end(&tstats->syncp);
+
+ __skb_tunnel_rx(skb, tunnel->dev);
+
+ skb_reset_network_header(skb);
+ if (skb->protocol == htons(ETH_P_IP))
+ ip6gre_ecn_decapsulate_ipv4(tunnel, ipv6h, skb);
+ else if (skb->protocol == htons(ETH_P_IPV6))
+ ip6gre_ecn_decapsulate_ipv6(tunnel, ipv6h, skb);
+
+ netif_rx(skb);
+
+ rcu_read_unlock();
+ return 0;
+ }
+ icmpv6_send(skb, ICMPV6_DEST_UNREACH, ICMPV6_PORT_UNREACH, 0);
+
+drop:
+ rcu_read_unlock();
+drop_nolock:
+ kfree_skb(skb);
+ return 0;
+}
+
+struct ipv6_tel_txoption {
+ struct ipv6_txoptions ops;
+ __u8 dst_opt[8];
+};
+
+static void init_tel_txopt(struct ipv6_tel_txoption *opt, __u8 encap_limit)
+{
+ memset(opt, 0, sizeof(struct ipv6_tel_txoption));
+
+ opt->dst_opt[2] = IPV6_TLV_TNL_ENCAP_LIMIT;
+ opt->dst_opt[3] = 1;
+ opt->dst_opt[4] = encap_limit;
+ opt->dst_opt[5] = IPV6_TLV_PADN;
+ opt->dst_opt[6] = 1;
+
+ opt->ops.dst0opt = (struct ipv6_opt_hdr *) opt->dst_opt;
+ opt->ops.opt_nflen = 8;
+}
+
+static netdev_tx_t ip6gre_xmit2(struct sk_buff *skb,
+ struct net_device *dev,
+ __u8 dsfield,
+ struct flowi6 *fl6,
+ int encap_limit,
+ __u32 *pmtu)
+{
+ struct net *net = dev_net(dev);
+ struct ip6_tnl *tunnel = netdev_priv(dev);
+ struct net_device *tdev; /* Device to other host */
+ struct ipv6hdr *ipv6h; /* Our new IP header */
+ unsigned int max_headroom; /* The extra header space needed */
+ int gre_hlen;
+ struct ipv6_tel_txoption opt;
+ int mtu;
+ struct dst_entry *dst = NULL, *ndst = NULL;
+ struct net_device_stats *stats = &tunnel->dev->stats;
+ int err = -1;
+ u8 proto;
+ int pkt_len;
+ struct sk_buff *new_skb;
+
+ if (dev->type == ARPHRD_ETHER)
+ IPCB(skb)->flags = 0;
+
+ if (dev->header_ops && dev->type == ARPHRD_IP6GRE) {
+ gre_hlen = 0;
+ ipv6h = (struct ipv6hdr *)skb->data;
+ fl6->daddr = ipv6h->daddr;
+ } else {
+ gre_hlen = tunnel->hlen;
+ fl6->daddr = tunnel->parms.raddr;
+ }
+
+ if (!fl6->flowi6_mark)
+ dst = ip6_tnl_dst_check(tunnel);
+
+ if (!dst) {
+ ndst = ip6_route_output(net, NULL, fl6);
+
+ if (ndst->error)
+ goto tx_err_link_failure;
+ ndst = xfrm_lookup(net, ndst, flowi6_to_flowi(fl6), NULL, 0);
+ if (IS_ERR(ndst)) {
+ err = PTR_ERR(ndst);
+ ndst = NULL;
+ goto tx_err_link_failure;
+ }
+ dst = ndst;
+ }
+
+ tdev = dst->dev;
+
+ if (tdev == dev) {
+ stats->collisions++;
+ net_warn_ratelimited("%s: Local routing loop detected!\n",
+ tunnel->parms.name);
+ goto tx_err_dst_release;
+ }
+
+ mtu = dst_mtu(dst) - sizeof(*ipv6h);
+ if (encap_limit >= 0) {
+ max_headroom += 8;
+ mtu -= 8;
+ }
+ if (mtu < IPV6_MIN_MTU)
+ mtu = IPV6_MIN_MTU;
+ if (skb_dst(skb))
+ skb_dst(skb)->ops->update_pmtu(skb_dst(skb), NULL, skb, mtu);
+ if (skb->len > mtu) {
+ *pmtu = mtu;
+ err = -EMSGSIZE;
+ goto tx_err_dst_release;
+ }
+
+ if (tunnel->err_count > 0) {
+ if (time_before(jiffies,
+ tunnel->err_time + IP6TUNNEL_ERR_TIMEO)) {
+ tunnel->err_count--;
+
+ dst_link_failure(skb);
+ } else
+ tunnel->err_count = 0;
+ }
+
+ max_headroom = LL_RESERVED_SPACE(tdev) + gre_hlen + dst->header_len;
+
+ if (skb_headroom(skb) < max_headroom || skb_shared(skb) ||
+ (skb_cloned(skb) && !skb_clone_writable(skb, 0))) {
+ new_skb = skb_realloc_headroom(skb, max_headroom);
+ if (max_headroom > dev->needed_headroom)
+ dev->needed_headroom = max_headroom;
+ if (!new_skb)
+ goto tx_err_dst_release;
+
+ if (skb->sk)
+ skb_set_owner_w(new_skb, skb->sk);
+ consume_skb(skb);
+ skb = new_skb;
+ }
+
+ skb_dst_drop(skb);
+
+ if (fl6->flowi6_mark) {
+ skb_dst_set(skb, dst);
+ ndst = NULL;
+ } else {
+ skb_dst_set_noref(skb, dst);
+ }
+
+ skb->transport_header = skb->network_header;
+
+ proto = NEXTHDR_GRE;
+ if (encap_limit >= 0) {
+ init_tel_txopt(&opt, encap_limit);
+ ipv6_push_nfrag_opts(skb, &opt.ops, &proto, NULL);
+ }
+
+ skb_push(skb, gre_hlen);
+ skb_reset_network_header(skb);
+
+ /*
+ * Push down and install the IP header.
+ */
+ ipv6h = ipv6_hdr(skb);
+ *(__be32 *)ipv6h = fl6->flowlabel | htonl(0x60000000);
+ dsfield = INET_ECN_encapsulate(0, dsfield);
+ ipv6_change_dsfield(ipv6h, ~INET_ECN_MASK, dsfield);
+ ipv6h->hop_limit = tunnel->parms.hop_limit;
+ ipv6h->nexthdr = proto;
+ ipv6h->saddr = fl6->saddr;
+ ipv6h->daddr = fl6->daddr;
+
+ ((__be16 *)(ipv6h + 1))[0] = tunnel->parms.o_flags;
+ ((__be16 *)(ipv6h + 1))[1] = (dev->type == ARPHRD_ETHER) ?
+ htons(ETH_P_TEB) : skb->protocol;
+
+ if (tunnel->parms.o_flags&(GRE_KEY|GRE_CSUM|GRE_SEQ)) {
+ __be32 *ptr = (__be32 *)(((u8 *)ipv6h) + tunnel->hlen - 4);
+
+ if (tunnel->parms.o_flags&GRE_SEQ) {
+ ++tunnel->o_seqno;
+ *ptr = htonl(tunnel->o_seqno);
+ ptr--;
+ }
+ if (tunnel->parms.o_flags&GRE_KEY) {
+ *ptr = tunnel->parms.o_key;
+ ptr--;
+ }
+ if (tunnel->parms.o_flags&GRE_CSUM) {
+ *ptr = 0;
+ *(__sum16 *)ptr = ip_compute_csum((void *)(ipv6h+1),
+ skb->len - sizeof(struct ipv6hdr));
+ }
+ }
+
+ nf_reset(skb);
+ pkt_len = skb->len;
+ err = ip6_local_out(skb);
+
+ if (net_xmit_eval(err) == 0) {
+ struct pcpu_tstats *tstats = this_cpu_ptr(tunnel->dev->tstats);
+
+ tstats->tx_bytes += pkt_len;
+ tstats->tx_packets++;
+ } else {
+ stats->tx_errors++;
+ stats->tx_aborted_errors++;
+ }
+
+ if (ndst)
+ ip6_tnl_dst_store(tunnel, ndst);
+
+ return 0;
+tx_err_link_failure:
+ stats->tx_carrier_errors++;
+ dst_link_failure(skb);
+tx_err_dst_release:
+ dst_release(ndst);
+ return err;
+}
+
+static inline int ip6gre_xmit_ipv4(struct sk_buff *skb, struct net_device *dev)
+{
+ struct ip6_tnl *t = netdev_priv(dev);
+ const struct iphdr *iph = ip_hdr(skb);
+ int encap_limit = -1;
+ struct flowi6 fl6;
+ __u8 dsfield;
+ __u32 mtu;
+ int err;
+
+ if (!(t->parms.flags & IP6_TNL_F_IGN_ENCAP_LIMIT))
+ encap_limit = t->parms.encap_limit;
+
+ memcpy(&fl6, &t->fl.u.ip6, sizeof(fl6));
+ fl6.flowi6_proto = IPPROTO_IPIP;
+
+ dsfield = ipv4_get_dsfield(iph);
+
+ if (t->parms.flags & IP6_TNL_F_USE_ORIG_TCLASS)
+ fl6.flowlabel |= htonl((__u32)iph->tos << IPV6_TCLASS_SHIFT)
+ & IPV6_TCLASS_MASK;
+ if (t->parms.flags & IP6_TNL_F_USE_ORIG_FWMARK)
+ fl6.flowi6_mark = skb->mark;
+
+ err = ip6gre_xmit2(skb, dev, dsfield, &fl6, encap_limit, &mtu);
+ if (err != 0) {
+ /* XXX: send ICMP error even if DF is not set. */
+ if (err == -EMSGSIZE)
+ icmp_send(skb, ICMP_DEST_UNREACH, ICMP_FRAG_NEEDED,
+ htonl(mtu));
+ return -1;
+ }
+
+ return 0;
+}
+
+static inline int ip6gre_xmit_ipv6(struct sk_buff *skb, struct net_device *dev)
+{
+ struct ip6_tnl *t = netdev_priv(dev);
+ struct ipv6hdr *ipv6h = ipv6_hdr(skb);
+ int encap_limit = -1;
+ __u16 offset;
+ struct flowi6 fl6;
+ __u8 dsfield;
+ __u32 mtu;
+ int err;
+
+ if (ipv6_addr_equal(&t->parms.raddr, &ipv6h->saddr))
+ return -1;
+
+ offset = ip6_tnl_parse_tlv_enc_lim(skb, skb_network_header(skb));
+ if (offset > 0) {
+ struct ipv6_tlv_tnl_enc_lim *tel;
+ tel = (struct ipv6_tlv_tnl_enc_lim *)&skb_network_header(skb)[offset];
+ if (tel->encap_limit == 0) {
+ icmpv6_send(skb, ICMPV6_PARAMPROB,
+ ICMPV6_HDR_FIELD, offset + 2);
+ return -1;
+ }
+ encap_limit = tel->encap_limit - 1;
+ } else if (!(t->parms.flags & IP6_TNL_F_IGN_ENCAP_LIMIT))
+ encap_limit = t->parms.encap_limit;
+
+ memcpy(&fl6, &t->fl.u.ip6, sizeof(fl6));
+ fl6.flowi6_proto = IPPROTO_IPV6;
+
+ dsfield = ipv6_get_dsfield(ipv6h);
+ if (t->parms.flags & IP6_TNL_F_USE_ORIG_TCLASS)
+ fl6.flowlabel |= (*(__be32 *) ipv6h & IPV6_TCLASS_MASK);
+ if (t->parms.flags & IP6_TNL_F_USE_ORIG_FLOWLABEL)
+ fl6.flowlabel |= (*(__be32 *) ipv6h & IPV6_FLOWLABEL_MASK);
+ if (t->parms.flags & IP6_TNL_F_USE_ORIG_FWMARK)
+ fl6.flowi6_mark = skb->mark;
+
+ err = ip6gre_xmit2(skb, dev, dsfield, &fl6, encap_limit, &mtu);
+ if (err != 0) {
+ if (err == -EMSGSIZE)
+ icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu);
+ return -1;
+ }
+
+ return 0;
+}
+
+/**
+ * ip6_tnl_addr_conflict - compare packet addresses to tunnel's own
+ * @t: the outgoing tunnel device
+ * @hdr: IPv6 header from the incoming packet
+ *
+ * Description:
+ * Avoid trivial tunneling loop by checking that tunnel exit-point
+ * doesn't match source of incoming packet.
+ *
+ * Return:
+ * 1 if conflict,
+ * 0 else
+ **/
+
+static inline bool ip6gre_tnl_addr_conflict(const struct ip6_tnl *t,
+ const struct ipv6hdr *hdr)
+{
+ return ipv6_addr_equal(&t->parms.raddr, &hdr->saddr);
+}
+
+static int ip6gre_xmit_other(struct sk_buff *skb, struct net_device *dev)
+{
+ struct ip6_tnl *t = netdev_priv(dev);
+ int encap_limit = -1;
+ struct flowi6 fl6;
+ __u32 mtu;
+ int err;
+
+ if (!(t->parms.flags & IP6_TNL_F_IGN_ENCAP_LIMIT))
+ encap_limit = t->parms.encap_limit;
+
+ memcpy(&fl6, &t->fl.u.ip6, sizeof(fl6));
+ fl6.flowi6_proto = skb->protocol;
+
+ err = ip6gre_xmit2(skb, dev, 0, &fl6, encap_limit, &mtu);
+
+ return err;
+}
+
+static netdev_tx_t ip6gre_tunnel_xmit(struct sk_buff *skb,
+ struct net_device *dev)
+{
+ struct ip6_tnl *t = netdev_priv(dev);
+ struct net_device_stats *stats = &t->dev->stats;
+ int ret;
+
+ if (!ip6_tnl_xmit_ctl(t))
+ return -1;
+
+ switch (skb->protocol) {
+ case htons(ETH_P_IP):
+ ret = ip6gre_xmit_ipv4(skb, dev);
+ break;
+ case htons(ETH_P_IPV6):
+ ret = ip6gre_xmit_ipv6(skb, dev);
+ break;
+ default:
+ ret = ip6gre_xmit_other(skb, dev);
+ break;
+ }
+
+ if (ret < 0)
+ goto tx_err;
+
+ return NETDEV_TX_OK;
+
+tx_err:
+ stats->tx_errors++;
+ stats->tx_dropped++;
+ kfree_skb(skb);
+ return NETDEV_TX_OK;
+}
+
+static void ip6gre_tnl_link_config(struct ip6_tnl *t, int set_mtu)
+{
+ struct net_device *dev = t->dev;
+ struct __ip6_tnl_parm *p = &t->parms;
+ struct flowi6 *fl6 = &t->fl.u.ip6;
+ int addend = sizeof(struct ipv6hdr) + 4;
+
+ if (dev->type != ARPHRD_ETHER) {
+ memcpy(dev->dev_addr, &p->laddr, sizeof(struct in6_addr));
+ memcpy(dev->broadcast, &p->raddr, sizeof(struct in6_addr));
+ }
+
+ /* Set up flowi template */
+ fl6->saddr = p->laddr;
+ fl6->daddr = p->raddr;
+ fl6->flowi6_oif = p->link;
+ fl6->flowlabel = 0;
+
+ if (!(p->flags&IP6_TNL_F_USE_ORIG_TCLASS))
+ fl6->flowlabel |= IPV6_TCLASS_MASK & p->flowinfo;
+ if (!(p->flags&IP6_TNL_F_USE_ORIG_FLOWLABEL))
+ fl6->flowlabel |= IPV6_FLOWLABEL_MASK & p->flowinfo;
+
+ p->flags &= ~(IP6_TNL_F_CAP_XMIT|IP6_TNL_F_CAP_RCV|IP6_TNL_F_CAP_PER_PACKET);
+ p->flags |= ip6_tnl_get_cap(t, &p->laddr, &p->raddr);
+
+ if (p->flags&IP6_TNL_F_CAP_XMIT &&
+ p->flags&IP6_TNL_F_CAP_RCV && dev->type != ARPHRD_ETHER)
+ dev->flags |= IFF_POINTOPOINT;
+ else
+ dev->flags &= ~IFF_POINTOPOINT;
+
+ dev->iflink = p->link;
+
+ /* Precalculate GRE options length */
+ if (t->parms.o_flags&(GRE_CSUM|GRE_KEY|GRE_SEQ)) {
+ if (t->parms.o_flags&GRE_CSUM)
+ addend += 4;
+ if (t->parms.o_flags&GRE_KEY)
+ addend += 4;
+ if (t->parms.o_flags&GRE_SEQ)
+ addend += 4;
+ }
+
+ if (p->flags & IP6_TNL_F_CAP_XMIT) {
+ int strict = (ipv6_addr_type(&p->raddr) &
+ (IPV6_ADDR_MULTICAST|IPV6_ADDR_LINKLOCAL));
+
+ struct rt6_info *rt = rt6_lookup(dev_net(dev),
+ &p->raddr, &p->laddr,
+ p->link, strict);
+
+ if (rt == NULL)
+ return;
+
+ if (rt->dst.dev) {
+ dev->hard_header_len = rt->dst.dev->hard_header_len + addend;
+
+ if (set_mtu) {
+ dev->mtu = rt->dst.dev->mtu - addend;
+ if (!(t->parms.flags & IP6_TNL_F_IGN_ENCAP_LIMIT))
+ dev->mtu -= 8;
+
+ if (dev->mtu < IPV6_MIN_MTU)
+ dev->mtu = IPV6_MIN_MTU;
+ }
+ }
+ dst_release(&rt->dst);
+ }
+
+ t->hlen = addend;
+}
+
+static int ip6gre_tnl_change(struct ip6_tnl *t,
+ const struct __ip6_tnl_parm *p, int set_mtu)
+{
+ t->parms.laddr = p->laddr;
+ t->parms.raddr = p->raddr;
+ t->parms.flags = p->flags;
+ t->parms.hop_limit = p->hop_limit;
+ t->parms.encap_limit = p->encap_limit;
+ t->parms.flowinfo = p->flowinfo;
+ t->parms.link = p->link;
+ t->parms.proto = p->proto;
+ t->parms.i_key = p->i_key;
+ t->parms.o_key = p->o_key;
+ t->parms.i_flags = p->i_flags;
+ t->parms.o_flags = p->o_flags;
+ ip6_tnl_dst_reset(t);
+ ip6gre_tnl_link_config(t, set_mtu);
+ return 0;
+}
+
+static void ip6gre_tnl_parm_from_user(struct __ip6_tnl_parm *p,
+ const struct ip6_tnl_parm2 *u)
+{
+ p->laddr = u->laddr;
+ p->raddr = u->raddr;
+ p->flags = u->flags;
+ p->hop_limit = u->hop_limit;
+ p->encap_limit = u->encap_limit;
+ p->flowinfo = u->flowinfo;
+ p->link = u->link;
+ p->i_key = u->i_key;
+ p->o_key = u->o_key;
+ p->i_flags = u->i_flags;
+ p->o_flags = u->o_flags;
+ memcpy(p->name, u->name, sizeof(u->name));
+}
+
+static void ip6gre_tnl_parm_to_user(struct ip6_tnl_parm2 *u,
+ const struct __ip6_tnl_parm *p)
+{
+ u->proto = IPPROTO_GRE;
+ u->laddr = p->laddr;
+ u->raddr = p->raddr;
+ u->flags = p->flags;
+ u->hop_limit = p->hop_limit;
+ u->encap_limit = p->encap_limit;
+ u->flowinfo = p->flowinfo;
+ u->link = p->link;
+ u->i_key = p->i_key;
+ u->o_key = p->o_key;
+ u->i_flags = p->i_flags;
+ u->o_flags = p->o_flags;
+ memcpy(u->name, p->name, sizeof(u->name));
+}
+
+static int ip6gre_tunnel_ioctl(struct net_device *dev,
+ struct ifreq *ifr, int cmd)
+{
+ int err = 0;
+ struct ip6_tnl_parm2 p;
+ struct __ip6_tnl_parm p1;
+ struct ip6_tnl *t;
+ struct net *net = dev_net(dev);
+ struct ip6gre_net *ign = net_generic(net, ip6gre_net_id);
+
+ switch (cmd) {
+ case SIOCGETTUNNEL:
+ t = NULL;
+ if (dev == ign->fb_tunnel_dev) {
+ if (copy_from_user(&p, ifr->ifr_ifru.ifru_data, sizeof(p))) {
+ err = -EFAULT;
+ break;
+ }
+ ip6gre_tnl_parm_from_user(&p1, &p);
+ t = ip6gre_tunnel_locate(net, &p1, 0);
+ }
+ if (t == NULL)
+ t = netdev_priv(dev);
+ ip6gre_tnl_parm_to_user(&p, &t->parms);
+ if (copy_to_user(ifr->ifr_ifru.ifru_data, &p, sizeof(p)))
+ err = -EFAULT;
+ break;
+
+ case SIOCADDTUNNEL:
+ case SIOCCHGTUNNEL:
+ err = -EPERM;
+ if (!capable(CAP_NET_ADMIN))
+ goto done;
+
+ err = -EFAULT;
+ if (copy_from_user(&p, ifr->ifr_ifru.ifru_data, sizeof(p)))
+ goto done;
+
+ err = -EINVAL;
+ if ((p.i_flags|p.o_flags)&(GRE_VERSION|GRE_ROUTING))
+ goto done;
+
+ if (!(p.i_flags&GRE_KEY))
+ p.i_key = 0;
+ if (!(p.o_flags&GRE_KEY))
+ p.o_key = 0;
+
+ ip6gre_tnl_parm_from_user(&p1, &p);
+ t = ip6gre_tunnel_locate(net, &p1, cmd == SIOCADDTUNNEL);
+
+ if (dev != ign->fb_tunnel_dev && cmd == SIOCCHGTUNNEL) {
+ if (t != NULL) {
+ if (t->dev != dev) {
+ err = -EEXIST;
+ break;
+ }
+ } else {
+ t = netdev_priv(dev);
+
+ ip6gre_tunnel_unlink(ign, t);
+ synchronize_net();
+ ip6gre_tnl_change(t, &p1, 1);
+ ip6gre_tunnel_link(ign, t);
+ netdev_state_change(dev);
+ }
+ }
+
+ if (t) {
+ err = 0;
+
+ ip6gre_tnl_parm_to_user(&p, &t->parms);
+ if (copy_to_user(ifr->ifr_ifru.ifru_data, &p, sizeof(p)))
+ err = -EFAULT;
+ } else
+ err = (cmd == SIOCADDTUNNEL ? -ENOBUFS : -ENOENT);
+ break;
+
+ case SIOCDELTUNNEL:
+ err = -EPERM;
+ if (!capable(CAP_NET_ADMIN))
+ goto done;
+
+ if (dev == ign->fb_tunnel_dev) {
+ err = -EFAULT;
+ if (copy_from_user(&p, ifr->ifr_ifru.ifru_data, sizeof(p)))
+ goto done;
+ err = -ENOENT;
+ ip6gre_tnl_parm_from_user(&p1, &p);
+ t = ip6gre_tunnel_locate(net, &p1, 0);
+ if (t == NULL)
+ goto done;
+ err = -EPERM;
+ if (t == netdev_priv(ign->fb_tunnel_dev))
+ goto done;
+ dev = t->dev;
+ }
+ unregister_netdevice(dev);
+ err = 0;
+ break;
+
+ default:
+ err = -EINVAL;
+ }
+
+done:
+ return err;
+}
+
+static int ip6gre_tunnel_change_mtu(struct net_device *dev, int new_mtu)
+{
+ struct ip6_tnl *tunnel = netdev_priv(dev);
+ if (new_mtu < 68 ||
+ new_mtu > 0xFFF8 - dev->hard_header_len - tunnel->hlen)
+ return -EINVAL;
+ dev->mtu = new_mtu;
+ return 0;
+}
+
+static int ip6gre_header(struct sk_buff *skb, struct net_device *dev,
+ unsigned short type,
+ const void *daddr, const void *saddr, unsigned int len)
+{
+ struct ip6_tnl *t = netdev_priv(dev);
+ struct ipv6hdr *ipv6h = (struct ipv6hdr *)skb_push(skb, t->hlen);
+ __be16 *p = (__be16 *)(ipv6h+1);
+
+ *(__be32 *)ipv6h = t->fl.u.ip6.flowlabel | htonl(0x60000000);
+ ipv6h->hop_limit = t->parms.hop_limit;
+ ipv6h->nexthdr = NEXTHDR_GRE;
+ ipv6h->saddr = t->parms.laddr;
+ ipv6h->daddr = t->parms.raddr;
+
+ p[0] = t->parms.o_flags;
+ p[1] = htons(type);
+
+ /*
+ * Set the source hardware address.
+ */
+
+ if (saddr)
+ memcpy(&ipv6h->saddr, saddr, sizeof(struct in6_addr));
+ if (daddr)
+ memcpy(&ipv6h->daddr, daddr, sizeof(struct in6_addr));
+ if (!ipv6_addr_any(&ipv6h->daddr))
+ return t->hlen;
+
+ return -t->hlen;
+}
+
+static int ip6gre_header_parse(const struct sk_buff *skb, unsigned char *haddr)
+{
+ const struct ipv6hdr *ipv6h = (const struct ipv6hdr *)skb_mac_header(skb);
+ memcpy(haddr, &ipv6h->saddr, sizeof(struct in6_addr));
+ return sizeof(struct in6_addr);
+}
+
+static const struct header_ops ip6gre_header_ops = {
+ .create = ip6gre_header,
+ .parse = ip6gre_header_parse,
+};
+
+static const struct net_device_ops ip6gre_netdev_ops = {
+ .ndo_init = ip6gre_tunnel_init,
+ .ndo_uninit = ip6gre_tunnel_uninit,
+ .ndo_start_xmit = ip6gre_tunnel_xmit,
+ .ndo_do_ioctl = ip6gre_tunnel_ioctl,
+ .ndo_change_mtu = ip6gre_tunnel_change_mtu,
+ .ndo_get_stats64 = ip6gre_get_stats64,
+};
+
+static void ip6gre_dev_free(struct net_device *dev)
+{
+ free_percpu(dev->tstats);
+ free_netdev(dev);
+}
+
+static void ip6gre_tunnel_setup(struct net_device *dev)
+{
+ struct ip6_tnl *t;
+
+ dev->netdev_ops = &ip6gre_netdev_ops;
+ dev->destructor = ip6gre_dev_free;
+
+ dev->type = ARPHRD_IP6GRE;
+ dev->hard_header_len = LL_MAX_HEADER + sizeof(struct ipv6hdr) + 4;
+ dev->mtu = ETH_DATA_LEN - sizeof(struct ipv6hdr) - 4;
+ t = netdev_priv(dev);
+ if (!(t->parms.flags & IP6_TNL_F_IGN_ENCAP_LIMIT))
+ dev->mtu -= 8;
+ dev->flags |= IFF_NOARP;
+ dev->iflink = 0;
+ dev->addr_len = sizeof(struct in6_addr);
+ dev->features |= NETIF_F_NETNS_LOCAL;
+ dev->priv_flags &= ~IFF_XMIT_DST_RELEASE;
+}
+
+static int ip6gre_tunnel_init(struct net_device *dev)
+{
+ struct ip6_tnl *tunnel;
+
+ tunnel = netdev_priv(dev);
+
+ tunnel->dev = dev;
+ strcpy(tunnel->parms.name, dev->name);
+
+ memcpy(dev->dev_addr, &tunnel->parms.laddr, sizeof(struct in6_addr));
+ memcpy(dev->broadcast, &tunnel->parms.raddr, sizeof(struct in6_addr));
+
+ if (ipv6_addr_any(&tunnel->parms.raddr))
+ dev->header_ops = &ip6gre_header_ops;
+
+ dev->tstats = alloc_percpu(struct pcpu_tstats);
+ if (!dev->tstats)
+ return -ENOMEM;
+
+ return 0;
+}
+
+static void ip6gre_fb_tunnel_init(struct net_device *dev)
+{
+ struct ip6_tnl *tunnel = netdev_priv(dev);
+
+ tunnel->dev = dev;
+ strcpy(tunnel->parms.name, dev->name);
+
+ tunnel->hlen = sizeof(struct ipv6hdr) + 4;
+
+ dev_hold(dev);
+}
+
+
+static struct inet6_protocol ip6gre_protocol __read_mostly = {
+ .handler = ip6gre_rcv,
+ .err_handler = ip6gre_err,
+ .flags = INET6_PROTO_NOPOLICY|INET6_PROTO_FINAL,
+};
+
+static void ip6gre_destroy_tunnels(struct ip6gre_net *ign,
+ struct list_head *head)
+{
+ int prio;
+
+ for (prio = 0; prio < 4; prio++) {
+ int h;
+ for (h = 0; h < HASH_SIZE; h++) {
+ struct ip6_tnl *t;
+
+ t = rtnl_dereference(ign->tunnels[prio][h]);
+
+ while (t != NULL) {
+ unregister_netdevice_queue(t->dev, head);
+ t = rtnl_dereference(t->next);
+ }
+ }
+ }
+}
+
+static int __net_init ip6gre_init_net(struct net *net)
+{
+ struct ip6gre_net *ign = net_generic(net, ip6gre_net_id);
+ int err;
+
+ ign->fb_tunnel_dev = alloc_netdev(sizeof(struct ip6_tnl), "ip6gre0",
+ ip6gre_tunnel_setup);
+ if (!ign->fb_tunnel_dev) {
+ err = -ENOMEM;
+ goto err_alloc_dev;
+ }
+ dev_net_set(ign->fb_tunnel_dev, net);
+
+ ip6gre_fb_tunnel_init(ign->fb_tunnel_dev);
+ ign->fb_tunnel_dev->rtnl_link_ops = &ip6gre_link_ops;
+
+ err = register_netdev(ign->fb_tunnel_dev);
+ if (err)
+ goto err_reg_dev;
+
+ rcu_assign_pointer(ign->tunnels_wc[0],
+ netdev_priv(ign->fb_tunnel_dev));
+ return 0;
+
+err_reg_dev:
+ ip6gre_dev_free(ign->fb_tunnel_dev);
+err_alloc_dev:
+ return err;
+}
+
+static void __net_exit ip6gre_exit_net(struct net *net)
+{
+ struct ip6gre_net *ign;
+ LIST_HEAD(list);
+
+ ign = net_generic(net, ip6gre_net_id);
+ rtnl_lock();
+ ip6gre_destroy_tunnels(ign, &list);
+ unregister_netdevice_many(&list);
+ rtnl_unlock();
+}
+
+static struct pernet_operations ip6gre_net_ops = {
+ .init = ip6gre_init_net,
+ .exit = ip6gre_exit_net,
+ .id = &ip6gre_net_id,
+ .size = sizeof(struct ip6gre_net),
+};
+
+static int ip6gre_tunnel_validate(struct nlattr *tb[], struct nlattr *data[])
+{
+ __be16 flags;
+
+ if (!data)
+ return 0;
+
+ flags = 0;
+ if (data[IFLA_GRE_IFLAGS])
+ flags |= nla_get_be16(data[IFLA_GRE_IFLAGS]);
+ if (data[IFLA_GRE_OFLAGS])
+ flags |= nla_get_be16(data[IFLA_GRE_OFLAGS]);
+ if (flags & (GRE_VERSION|GRE_ROUTING))
+ return -EINVAL;
+
+ return 0;
+}
+
+static int ip6gre_tap_validate(struct nlattr *tb[], struct nlattr *data[])
+{
+ struct in6_addr daddr;
+
+ if (tb[IFLA_ADDRESS]) {
+ if (nla_len(tb[IFLA_ADDRESS]) != ETH_ALEN)
+ return -EINVAL;
+ if (!is_valid_ether_addr(nla_data(tb[IFLA_ADDRESS])))
+ return -EADDRNOTAVAIL;
+ }
+
+ if (!data)
+ goto out;
+
+ if (data[IFLA_GRE_REMOTE]) {
+ nla_memcpy(&daddr, data[IFLA_GRE_REMOTE], sizeof(struct in6_addr));
+ if (ipv6_addr_any(&daddr))
+ return -EINVAL;
+ }
+
+out:
+ return ip6gre_tunnel_validate(tb, data);
+}
+
+
+static void ip6gre_netlink_parms(struct nlattr *data[],
+ struct __ip6_tnl_parm *parms)
+{
+ memset(parms, 0, sizeof(*parms));
+
+ if (!data)
+ return;
+
+ if (data[IFLA_GRE_LINK])
+ parms->link = nla_get_u32(data[IFLA_GRE_LINK]);
+
+ if (data[IFLA_GRE_IFLAGS])
+ parms->i_flags = nla_get_be16(data[IFLA_GRE_IFLAGS]);
+
+ if (data[IFLA_GRE_OFLAGS])
+ parms->o_flags = nla_get_be16(data[IFLA_GRE_OFLAGS]);
+
+ if (data[IFLA_GRE_IKEY])
+ parms->i_key = nla_get_be32(data[IFLA_GRE_IKEY]);
+
+ if (data[IFLA_GRE_OKEY])
+ parms->o_key = nla_get_be32(data[IFLA_GRE_OKEY]);
+
+ if (data[IFLA_GRE_LOCAL])
+ nla_memcpy(&parms->laddr, data[IFLA_GRE_LOCAL], sizeof(struct in6_addr));
+
+ if (data[IFLA_GRE_REMOTE])
+ nla_memcpy(&parms->raddr, data[IFLA_GRE_REMOTE], sizeof(struct in6_addr));
+
+ if (data[IFLA_GRE_TTL])
+ parms->hop_limit = nla_get_u8(data[IFLA_GRE_TTL]);
+
+ if (data[IFLA_GRE_ENCAP_LIMIT])
+ parms->encap_limit = nla_get_u8(data[IFLA_GRE_ENCAP_LIMIT]);
+
+ if (data[IFLA_GRE_FLOWINFO])
+ parms->flowinfo = nla_get_u32(data[IFLA_GRE_FLOWINFO]);
+
+ if (data[IFLA_GRE_FLAGS])
+ parms->flags = nla_get_u32(data[IFLA_GRE_FLAGS]);
+}
+
+static int ip6gre_tap_init(struct net_device *dev)
+{
+ struct ip6_tnl *tunnel;
+
+ tunnel = netdev_priv(dev);
+
+ tunnel->dev = dev;
+ strcpy(tunnel->parms.name, dev->name);
+
+ ip6gre_tnl_link_config(tunnel, 1);
+
+ dev->tstats = alloc_percpu(struct pcpu_tstats);
+ if (!dev->tstats)
+ return -ENOMEM;
+
+ return 0;
+}
+
+static const struct net_device_ops ip6gre_tap_netdev_ops = {
+ .ndo_init = ip6gre_tap_init,
+ .ndo_uninit = ip6gre_tunnel_uninit,
+ .ndo_start_xmit = ip6gre_tunnel_xmit,
+ .ndo_set_mac_address = eth_mac_addr,
+ .ndo_validate_addr = eth_validate_addr,
+ .ndo_change_mtu = ip6gre_tunnel_change_mtu,
+ .ndo_get_stats64 = ip6gre_get_stats64,
+};
+
+static void ip6gre_tap_setup(struct net_device *dev)
+{
+
+ ether_setup(dev);
+
+ dev->netdev_ops = &ip6gre_tap_netdev_ops;
+ dev->destructor = ip6gre_dev_free;
+
+ dev->iflink = 0;
+ dev->features |= NETIF_F_NETNS_LOCAL;
+}
+
+static int ip6gre_newlink(struct net *src_net, struct net_device *dev,
+ struct nlattr *tb[], struct nlattr *data[])
+{
+ struct ip6_tnl *nt;
+ struct net *net = dev_net(dev);
+ struct ip6gre_net *ign = net_generic(net, ip6gre_net_id);
+ int err;
+
+ nt = netdev_priv(dev);
+ ip6gre_netlink_parms(data, &nt->parms);
+
+ if (ip6gre_tunnel_find(net, &nt->parms, dev->type))
+ return -EEXIST;
+
+ if (dev->type == ARPHRD_ETHER && !tb[IFLA_ADDRESS])
+ eth_hw_addr_random(dev);
+
+ nt->dev = dev;
+ ip6gre_tnl_link_config(nt, !tb[IFLA_MTU]);
+
+ /* Can use a lockless transmit, unless we generate output sequences */
+ if (!(nt->parms.o_flags & GRE_SEQ))
+ dev->features |= NETIF_F_LLTX;
+
+ err = register_netdevice(dev);
+ if (err)
+ goto out;
+
+ dev_hold(dev);
+ ip6gre_tunnel_link(ign, nt);
+
+out:
+ return err;
+}
+
+static int ip6gre_changelink(struct net_device *dev, struct nlattr *tb[],
+ struct nlattr *data[])
+{
+ struct ip6_tnl *t, *nt;
+ struct net *net = dev_net(dev);
+ struct ip6gre_net *ign = net_generic(net, ip6gre_net_id);
+ struct __ip6_tnl_parm p;
+
+ if (dev == ign->fb_tunnel_dev)
+ return -EINVAL;
+
+ nt = netdev_priv(dev);
+ ip6gre_netlink_parms(data, &p);
+
+ t = ip6gre_tunnel_locate(net, &p, 0);
+
+ if (t) {
+ if (t->dev != dev)
+ return -EEXIST;
+ } else {
+ t = nt;
+
+ ip6gre_tunnel_unlink(ign, t);
+ ip6gre_tnl_change(t, &p, !tb[IFLA_MTU]);
+ ip6gre_tunnel_link(ign, t);
+ netdev_state_change(dev);
+ }
+
+ return 0;
+}
+
+static size_t ip6gre_get_size(const struct net_device *dev)
+{
+ return
+ /* IFLA_GRE_LINK */
+ nla_total_size(4) +
+ /* IFLA_GRE_IFLAGS */
+ nla_total_size(2) +
+ /* IFLA_GRE_OFLAGS */
+ nla_total_size(2) +
+ /* IFLA_GRE_IKEY */
+ nla_total_size(4) +
+ /* IFLA_GRE_OKEY */
+ nla_total_size(4) +
+ /* IFLA_GRE_LOCAL */
+ nla_total_size(4) +
+ /* IFLA_GRE_REMOTE */
+ nla_total_size(4) +
+ /* IFLA_GRE_TTL */
+ nla_total_size(1) +
+ /* IFLA_GRE_TOS */
+ nla_total_size(1) +
+ /* IFLA_GRE_ENCAP_LIMIT */
+ nla_total_size(1) +
+ /* IFLA_GRE_FLOWINFO */
+ nla_total_size(4) +
+ /* IFLA_GRE_FLAGS */
+ nla_total_size(4) +
+ 0;
+}
+
+static int ip6gre_fill_info(struct sk_buff *skb, const struct net_device *dev)
+{
+ struct ip6_tnl *t = netdev_priv(dev);
+ struct __ip6_tnl_parm *p = &t->parms;
+
+ if (nla_put_u32(skb, IFLA_GRE_LINK, p->link) ||
+ nla_put_be16(skb, IFLA_GRE_IFLAGS, p->i_flags) ||
+ nla_put_be16(skb, IFLA_GRE_OFLAGS, p->o_flags) ||
+ nla_put_be32(skb, IFLA_GRE_IKEY, p->i_key) ||
+ nla_put_be32(skb, IFLA_GRE_OKEY, p->o_key) ||
+ nla_put(skb, IFLA_GRE_LOCAL, sizeof(struct in6_addr), &p->raddr) ||
+ nla_put(skb, IFLA_GRE_REMOTE, sizeof(struct in6_addr), &p->laddr) ||
+ nla_put_u8(skb, IFLA_GRE_TTL, p->hop_limit) ||
+ /*nla_put_u8(skb, IFLA_GRE_TOS, t->priority) ||*/
+ nla_put_u8(skb, IFLA_GRE_ENCAP_LIMIT, p->encap_limit) ||
+ nla_put_be32(skb, IFLA_GRE_FLOWINFO, p->flowinfo) ||
+ nla_put_u32(skb, IFLA_GRE_FLAGS, p->flags))
+ goto nla_put_failure;
+ return 0;
+
+nla_put_failure:
+ return -EMSGSIZE;
+}
+
+static const struct nla_policy ip6gre_policy[IFLA_GRE_MAX + 1] = {
+ [IFLA_GRE_LINK] = { .type = NLA_U32 },
+ [IFLA_GRE_IFLAGS] = { .type = NLA_U16 },
+ [IFLA_GRE_OFLAGS] = { .type = NLA_U16 },
+ [IFLA_GRE_IKEY] = { .type = NLA_U32 },
+ [IFLA_GRE_OKEY] = { .type = NLA_U32 },
+ [IFLA_GRE_LOCAL] = { .len = FIELD_SIZEOF(struct ipv6hdr, saddr) },
+ [IFLA_GRE_REMOTE] = { .len = FIELD_SIZEOF(struct ipv6hdr, daddr) },
+ [IFLA_GRE_TTL] = { .type = NLA_U8 },
+ [IFLA_GRE_ENCAP_LIMIT] = { .type = NLA_U8 },
+ [IFLA_GRE_FLOWINFO] = { .type = NLA_U32 },
+ [IFLA_GRE_FLAGS] = { .type = NLA_U32 },
+};
+
+static struct rtnl_link_ops ip6gre_link_ops __read_mostly = {
+ .kind = "ip6gre",
+ .maxtype = IFLA_GRE_MAX,
+ .policy = ip6gre_policy,
+ .priv_size = sizeof(struct ip6_tnl),
+ .setup = ip6gre_tunnel_setup,
+ .validate = ip6gre_tunnel_validate,
+ .newlink = ip6gre_newlink,
+ .changelink = ip6gre_changelink,
+ .get_size = ip6gre_get_size,
+ .fill_info = ip6gre_fill_info,
+};
+
+static struct rtnl_link_ops ip6gre_tap_ops __read_mostly = {
+ .kind = "ip6gretap",
+ .maxtype = IFLA_GRE_MAX,
+ .policy = ip6gre_policy,
+ .priv_size = sizeof(struct ip6_tnl),
+ .setup = ip6gre_tap_setup,
+ .validate = ip6gre_tap_validate,
+ .newlink = ip6gre_newlink,
+ .changelink = ip6gre_changelink,
+ .get_size = ip6gre_get_size,
+ .fill_info = ip6gre_fill_info,
+};
+
+/*
+ * And now the modules code and kernel interface.
+ */
+
+static int __init ip6gre_init(void)
+{
+ int err;
+
+ pr_info("GRE over IPv6 tunneling driver\n");
+
+ err = register_pernet_device(&ip6gre_net_ops);
+ if (err < 0)
+ return err;
+
+ err = inet6_add_protocol(&ip6gre_protocol, IPPROTO_GRE);
+ if (err < 0) {
+ pr_info("%s: can't add protocol\n", __func__);
+ goto add_proto_failed;
+ }
+
+ err = rtnl_link_register(&ip6gre_link_ops);
+ if (err < 0)
+ goto rtnl_link_failed;
+
+ err = rtnl_link_register(&ip6gre_tap_ops);
+ if (err < 0)
+ goto tap_ops_failed;
+
+out:
+ return err;
+
+tap_ops_failed:
+ rtnl_link_unregister(&ip6gre_link_ops);
+rtnl_link_failed:
+ inet6_del_protocol(&ip6gre_protocol, IPPROTO_GRE);
+add_proto_failed:
+ unregister_pernet_device(&ip6gre_net_ops);
+ goto out;
+}
+
+static void __exit ip6gre_fini(void)
+{
+ rtnl_link_unregister(&ip6gre_tap_ops);
+ rtnl_link_unregister(&ip6gre_link_ops);
+ inet6_del_protocol(&ip6gre_protocol, IPPROTO_GRE);
+ unregister_pernet_device(&ip6gre_net_ops);
+}
+
+module_init(ip6gre_init);
+module_exit(ip6gre_fini);
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("D. Kozlov (xeb@mail.ru)");
+MODULE_DESCRIPTION("GRE over IPv6 tunneling device");
+MODULE_ALIAS_RTNL_LINK("ip6gre");
+MODULE_ALIAS_NETDEV("ip6gre0");
* Locking : hash tables are protected by RCU and RTNL
*/
-static inline struct dst_entry *ip6_tnl_dst_check(struct ip6_tnl *t)
+struct dst_entry *ip6_tnl_dst_check(struct ip6_tnl *t)
{
struct dst_entry *dst = t->dst_cache;
return dst;
}
+EXPORT_SYMBOL_GPL(ip6_tnl_dst_check);
-static inline void ip6_tnl_dst_reset(struct ip6_tnl *t)
+void ip6_tnl_dst_reset(struct ip6_tnl *t)
{
dst_release(t->dst_cache);
t->dst_cache = NULL;
}
+EXPORT_SYMBOL_GPL(ip6_tnl_dst_reset);
-static inline void ip6_tnl_dst_store(struct ip6_tnl *t, struct dst_entry *dst)
+void ip6_tnl_dst_store(struct ip6_tnl *t, struct dst_entry *dst)
{
struct rt6_info *rt = (struct rt6_info *) dst;
t->dst_cookie = rt->rt6i_node ? rt->rt6i_node->fn_sernum : 0;
dst_release(t->dst_cache);
t->dst_cache = dst;
}
+EXPORT_SYMBOL_GPL(ip6_tnl_dst_store);
/**
* ip6_tnl_lookup - fetch tunnel matching the end-point addresses
**/
static struct ip6_tnl __rcu **
-ip6_tnl_bucket(struct ip6_tnl_net *ip6n, const struct ip6_tnl_parm *p)
+ip6_tnl_bucket(struct ip6_tnl_net *ip6n, const struct __ip6_tnl_parm *p)
{
const struct in6_addr *remote = &p->raddr;
const struct in6_addr *local = &p->laddr;
* created tunnel or NULL
**/
-static struct ip6_tnl *ip6_tnl_create(struct net *net, struct ip6_tnl_parm *p)
+static struct ip6_tnl *ip6_tnl_create(struct net *net, struct __ip6_tnl_parm *p)
{
struct net_device *dev;
struct ip6_tnl *t;
**/
static struct ip6_tnl *ip6_tnl_locate(struct net *net,
- struct ip6_tnl_parm *p, int create)
+ struct __ip6_tnl_parm *p, int create)
{
const struct in6_addr *remote = &p->raddr;
const struct in6_addr *local = &p->laddr;
* else index to encapsulation limit
**/
-static __u16
-parse_tlv_tnl_enc_lim(struct sk_buff *skb, __u8 * raw)
+__u16 ip6_tnl_parse_tlv_enc_lim(struct sk_buff *skb, __u8 *raw)
{
const struct ipv6hdr *ipv6h = (const struct ipv6hdr *) raw;
__u8 nexthdr = ipv6h->nexthdr;
}
return 0;
}
+EXPORT_SYMBOL(ip6_tnl_parse_tlv_enc_lim);
/**
* ip6_tnl_err - tunnel error handler
case ICMPV6_PARAMPROB:
teli = 0;
if ((*code) == ICMPV6_HDR_FIELD)
- teli = parse_tlv_tnl_enc_lim(skb, skb->data);
+ teli = ip6_tnl_parse_tlv_enc_lim(skb, skb->data);
if (teli && teli == *info - 2) {
tel = (struct ipv6_tlv_tnl_enc_lim *) &skb->data[teli];
IP6_ECN_set_ce(ipv6_hdr(skb));
}
-static __u32 ip6_tnl_get_cap(struct ip6_tnl *t,
+__u32 ip6_tnl_get_cap(struct ip6_tnl *t,
const struct in6_addr *laddr,
const struct in6_addr *raddr)
{
- struct ip6_tnl_parm *p = &t->parms;
+ struct __ip6_tnl_parm *p = &t->parms;
int ltype = ipv6_addr_type(laddr);
int rtype = ipv6_addr_type(raddr);
__u32 flags = 0;
}
return flags;
}
+EXPORT_SYMBOL(ip6_tnl_get_cap);
/* called with rcu_read_lock() */
-static inline int ip6_tnl_rcv_ctl(struct ip6_tnl *t,
+int ip6_tnl_rcv_ctl(struct ip6_tnl *t,
const struct in6_addr *laddr,
const struct in6_addr *raddr)
{
- struct ip6_tnl_parm *p = &t->parms;
+ struct __ip6_tnl_parm *p = &t->parms;
int ret = 0;
struct net *net = dev_net(t->dev);
}
return ret;
}
+EXPORT_SYMBOL_GPL(ip6_tnl_rcv_ctl);
/**
* ip6_tnl_rcv - decapsulate IPv6 packet and retransmit it locally
return ipv6_addr_equal(&t->parms.raddr, &hdr->saddr);
}
-static inline int ip6_tnl_xmit_ctl(struct ip6_tnl *t)
+int ip6_tnl_xmit_ctl(struct ip6_tnl *t)
{
- struct ip6_tnl_parm *p = &t->parms;
+ struct __ip6_tnl_parm *p = &t->parms;
int ret = 0;
struct net *net = dev_net(t->dev);
}
return ret;
}
+EXPORT_SYMBOL_GPL(ip6_tnl_xmit_ctl);
+
/**
* ip6_tnl_xmit2 - encapsulate packet and send
* @skb: the outgoing socket buffer
!ip6_tnl_xmit_ctl(t) || ip6_tnl_addr_conflict(t, ipv6h))
return -1;
- offset = parse_tlv_tnl_enc_lim(skb, skb_network_header(skb));
+ offset = ip6_tnl_parse_tlv_enc_lim(skb, skb_network_header(skb));
if (offset > 0) {
struct ipv6_tlv_tnl_enc_lim *tel;
tel = (struct ipv6_tlv_tnl_enc_lim *)&skb_network_header(skb)[offset];
static void ip6_tnl_link_config(struct ip6_tnl *t)
{
struct net_device *dev = t->dev;
- struct ip6_tnl_parm *p = &t->parms;
+ struct __ip6_tnl_parm *p = &t->parms;
struct flowi6 *fl6 = &t->fl.u.ip6;
memcpy(dev->dev_addr, &p->laddr, sizeof(struct in6_addr));
**/
static int
-ip6_tnl_change(struct ip6_tnl *t, struct ip6_tnl_parm *p)
+ip6_tnl_change(struct ip6_tnl *t, const struct __ip6_tnl_parm *p)
{
t->parms.laddr = p->laddr;
t->parms.raddr = p->raddr;
return 0;
}
+static void
+ip6_tnl_parm_from_user(struct __ip6_tnl_parm *p, const struct ip6_tnl_parm *u)
+{
+ p->laddr = u->laddr;
+ p->raddr = u->raddr;
+ p->flags = u->flags;
+ p->hop_limit = u->hop_limit;
+ p->encap_limit = u->encap_limit;
+ p->flowinfo = u->flowinfo;
+ p->link = u->link;
+ p->proto = u->proto;
+ memcpy(p->name, u->name, sizeof(u->name));
+}
+
+static void
+ip6_tnl_parm_to_user(struct ip6_tnl_parm *u, const struct __ip6_tnl_parm *p)
+{
+ u->laddr = p->laddr;
+ u->raddr = p->raddr;
+ u->flags = p->flags;
+ u->hop_limit = p->hop_limit;
+ u->encap_limit = p->encap_limit;
+ u->flowinfo = p->flowinfo;
+ u->link = p->link;
+ u->proto = p->proto;
+ memcpy(u->name, p->name, sizeof(u->name));
+}
+
/**
* ip6_tnl_ioctl - configure ipv6 tunnels from userspace
* @dev: virtual device associated with tunnel
{
int err = 0;
struct ip6_tnl_parm p;
+ struct __ip6_tnl_parm p1;
struct ip6_tnl *t = NULL;
struct net *net = dev_net(dev);
struct ip6_tnl_net *ip6n = net_generic(net, ip6_tnl_net_id);
err = -EFAULT;
break;
}
- t = ip6_tnl_locate(net, &p, 0);
+ ip6_tnl_parm_from_user(&p1, &p);
+ t = ip6_tnl_locate(net, &p1, 0);
+ } else {
+ memset(&p, 0, sizeof(p));
}
if (t == NULL)
t = netdev_priv(dev);
- memcpy(&p, &t->parms, sizeof (p));
+ ip6_tnl_parm_to_user(&p, &t->parms);
if (copy_to_user(ifr->ifr_ifru.ifru_data, &p, sizeof (p))) {
err = -EFAULT;
}
if (p.proto != IPPROTO_IPV6 && p.proto != IPPROTO_IPIP &&
p.proto != 0)
break;
- t = ip6_tnl_locate(net, &p, cmd == SIOCADDTUNNEL);
+ ip6_tnl_parm_from_user(&p1, &p);
+ t = ip6_tnl_locate(net, &p1, cmd == SIOCADDTUNNEL);
if (dev != ip6n->fb_tnl_dev && cmd == SIOCCHGTUNNEL) {
if (t != NULL) {
if (t->dev != dev) {
ip6_tnl_unlink(ip6n, t);
synchronize_net();
- err = ip6_tnl_change(t, &p);
+ err = ip6_tnl_change(t, &p1);
ip6_tnl_link(ip6n, t);
netdev_state_change(dev);
}
if (t) {
err = 0;
- if (copy_to_user(ifr->ifr_ifru.ifru_data, &t->parms, sizeof (p)))
+ ip6_tnl_parm_to_user(&p, &t->parms);
+ if (copy_to_user(ifr->ifr_ifru.ifru_data, &p, sizeof(p)))
err = -EFAULT;
} else
if (copy_from_user(&p, ifr->ifr_ifru.ifru_data, sizeof (p)))
break;
err = -ENOENT;
- if ((t = ip6_tnl_locate(net, &p, 0)) == NULL)
+ ip6_tnl_parm_from_user(&p1, &p);
+ t = ip6_tnl_locate(net, &p1, 0);
+ if (t == NULL)
break;
err = -EPERM;
if (t->dev == ip6n->fb_tnl_dev)
net->ipv6.ip6table_filter =
ip6t_register_table(net, &packet_filter, repl);
kfree(repl);
- if (IS_ERR(net->ipv6.ip6table_filter))
- return PTR_ERR(net->ipv6.ip6table_filter);
- return 0;
+ return PTR_RET(net->ipv6.ip6table_filter);
}
static void __net_exit ip6table_filter_net_exit(struct net *net)
net->ipv6.ip6table_mangle =
ip6t_register_table(net, &packet_mangler, repl);
kfree(repl);
- if (IS_ERR(net->ipv6.ip6table_mangle))
- return PTR_ERR(net->ipv6.ip6table_mangle);
- return 0;
+ return PTR_RET(net->ipv6.ip6table_mangle);
}
static void __net_exit ip6table_mangle_net_exit(struct net *net)
net->ipv6.ip6table_raw =
ip6t_register_table(net, &packet_raw, repl);
kfree(repl);
- if (IS_ERR(net->ipv6.ip6table_raw))
- return PTR_ERR(net->ipv6.ip6table_raw);
- return 0;
+ return PTR_RET(net->ipv6.ip6table_raw);
}
static void __net_exit ip6table_raw_net_exit(struct net *net)
net->ipv6.ip6table_security =
ip6t_register_table(net, &security_table, repl);
kfree(repl);
- if (IS_ERR(net->ipv6.ip6table_security))
- return PTR_ERR(net->ipv6.ip6table_security);
-
- return 0;
+ return PTR_RET(net->ipv6.ip6table_security);
}
static void __net_exit ip6table_security_net_exit(struct net *net)
sk_wmem_alloc_get(sp),
sk_rmem_alloc_get(sp),
0, 0L, 0,
- sock_i_uid(sp), 0,
+ from_kuid_munged(seq_user_ns(seq), sock_i_uid(sp)),
+ 0,
sock_i_ino(sp),
atomic_read(&sp->sk_refcnt), sp, atomic_read(&sp->sk_drops));
}
{
int flags = 0;
- fl6->flowi6_iif = net->loopback_dev->ifindex;
+ fl6->flowi6_iif = LOOPBACK_IFINDEX;
if ((sk && sk->sk_bound_dev_if) || rt6_need_strict(&fl6->daddr))
flags |= RT6_LOOKUP_F_IFACE;
#ifdef CONFIG_PROC_FS
/* Proc filesystem TCPv6 sock list dumping. */
static void get_openreq6(struct seq_file *seq,
- const struct sock *sk, struct request_sock *req, int i, int uid)
+ const struct sock *sk, struct request_sock *req, int i, kuid_t uid)
{
int ttd = req->expires - jiffies;
const struct in6_addr *src = &inet6_rsk(req)->loc_addr;
1, /* timers active (only the expire timer) */
jiffies_to_clock_t(ttd),
req->retrans,
- uid,
+ from_kuid_munged(seq_user_ns(seq), uid),
0, /* non standard timer */
0, /* open_requests have no inode */
0, req);
tp->write_seq-tp->snd_una,
(sp->sk_state == TCP_LISTEN) ? sp->sk_ack_backlog : (tp->rcv_nxt - tp->copied_seq),
timer_active,
- jiffies_to_clock_t(timer_expires - jiffies),
+ jiffies_delta_to_clock_t(timer_expires - jiffies),
icsk->icsk_retransmits,
- sock_i_uid(sp),
+ from_kuid_munged(seq_user_ns(seq), sock_i_uid(sp)),
icsk->icsk_probes_out,
sock_i_ino(sp),
atomic_read(&sp->sk_refcnt), sp,
const struct in6_addr *dest, *src;
__u16 destp, srcp;
const struct inet6_timewait_sock *tw6 = inet6_twsk((struct sock *)tw);
- int ttd = tw->tw_ttd - jiffies;
-
- if (ttd < 0)
- ttd = 0;
+ long delta = tw->tw_ttd - jiffies;
dest = &tw6->tw_v6_daddr;
src = &tw6->tw_v6_rcv_saddr;
dest->s6_addr32[0], dest->s6_addr32[1],
dest->s6_addr32[2], dest->s6_addr32[3], destp,
tw->tw_substate, 0, 0,
- 3, jiffies_to_clock_t(ttd), 0, 0, 0, 0,
+ 3, jiffies_delta_to_clock_t(delta), 0, 0, 0, 0,
atomic_read(&tw->tw_refcnt), tw);
}
sk_wmem_alloc_get(sp),
sk_rmem_alloc_get(sp),
0, 0L, 0,
- sock_i_uid(sp), 0,
+ from_kuid_munged(seq_user_ns(seq), sock_i_uid(sp)),
+ 0,
sock_i_ino(sp),
atomic_read(&sp->sk_refcnt), sp,
atomic_read(&sp->sk_drops));
seq_printf(seq, "%08X %08X %02X %03d\n",
sk_wmem_alloc_get(s),
sk_rmem_alloc_get(s),
- s->sk_state, SOCK_INODE(s->sk_socket)->i_uid);
+ s->sk_state,
+ from_kuid_munged(seq_user_ns(seq), sock_i_uid(s)));
out:
return 0;
}
return res;
}
-static int pfkey_send_acquire(struct xfrm_state *x, struct xfrm_tmpl *t, struct xfrm_policy *xp, int dir)
+static int pfkey_send_acquire(struct xfrm_state *x, struct xfrm_tmpl *t, struct xfrm_policy *xp)
{
struct sk_buff *skb;
struct sadb_msg *hdr;
pol->sadb_x_policy_len = sizeof(struct sadb_x_policy)/sizeof(uint64_t);
pol->sadb_x_policy_exttype = SADB_X_EXT_POLICY;
pol->sadb_x_policy_type = IPSEC_POLICY_IPSEC;
- pol->sadb_x_policy_dir = dir+1;
+ pol->sadb_x_policy_dir = XFRM_POLICY_OUT + 1;
pol->sadb_x_policy_id = xp->index;
/* Set sadb_comb's. */
atomic_read(&s->sk_refcnt),
sk_rmem_alloc_get(s),
sk_wmem_alloc_get(s),
- sock_i_uid(s),
+ from_kuid_munged(seq_user_ns(f), sock_i_uid(s)),
sock_i_ino(s)
);
return 0;
sk_wmem_alloc_get(sk),
sk_rmem_alloc_get(sk) - llc->copied_seq,
sk->sk_state,
- sk->sk_socket ? SOCK_INODE(sk->sk_socket)->i_uid : -1,
+ from_kuid_munged(seq_user_ns(seq), sock_i_uid(sk)),
llc->link);
out:
return 0;
static void aes_128_cmac_vector(struct crypto_cipher *tfm, size_t num_elem,
const u8 *addr[], const size_t *len, u8 *mac)
{
- u8 scratch[2 * AES_BLOCK_SIZE];
- u8 *cbc, *pad;
+ u8 cbc[AES_BLOCK_SIZE], pad[AES_BLOCK_SIZE];
const u8 *pos, *end;
size_t i, e, left, total_len;
- cbc = scratch;
- pad = scratch + AES_BLOCK_SIZE;
-
memset(cbc, 0, AES_BLOCK_SIZE);
total_len = 0;
return 0;
}
+static int ieee80211_start_p2p_device(struct wiphy *wiphy,
+ struct wireless_dev *wdev)
+{
+ return ieee80211_do_open(wdev, true);
+}
+
+static void ieee80211_stop_p2p_device(struct wiphy *wiphy,
+ struct wireless_dev *wdev)
+{
+ ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev));
+}
+
static int ieee80211_set_noack_map(struct wiphy *wiphy,
struct net_device *dev,
u16 noack_map)
if (!(rate->flags & RATE_INFO_FLAGS_MCS)) {
struct ieee80211_supported_band *sband;
sband = sta->local->hw.wiphy->bands[
- sta->local->hw.conf.channel->band];
+ sta->local->oper_channel->band];
rate->legacy = sband->bitrates[idx].bitrate;
} else
rate->mcs = idx;
static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
const u8 *resp, size_t resp_len)
{
- struct sk_buff *new, *old;
+ struct probe_resp *new, *old;
if (!resp || !resp_len)
return 1;
old = rtnl_dereference(sdata->u.ap.probe_resp);
- new = dev_alloc_skb(resp_len);
+ new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
if (!new)
return -ENOMEM;
- memcpy(skb_put(new, resp_len), resp, resp_len);
+ new->len = resp_len;
+ memcpy(new->data, resp, resp_len);
rcu_assign_pointer(sdata->u.ap.probe_resp, new);
- if (old) {
- /* TODO: use call_rcu() */
- synchronize_rcu();
- dev_kfree_skb(old);
- }
+ if (old)
+ kfree_rcu(old, rcu_head);
return 0;
}
/* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
* Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
- memset(msg->da, 0xff, ETH_ALEN);
+ eth_broadcast_addr(msg->da);
memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
msg->len = htons(6);
msg->dsap = 0;
mutex_unlock(&local->sta_mtx);
if (sdata->vif.type == NL80211_IFTYPE_STATION &&
- params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))
+ params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
ieee80211_recalc_ps(local, -1);
-
+ ieee80211_recalc_ps_vif(sdata);
+ }
return 0;
}
}
if (!sdata->vif.bss_conf.use_short_slot &&
- sdata->local->hw.conf.channel->band == IEEE80211_BAND_5GHZ) {
+ sdata->local->oper_channel->band == IEEE80211_BAND_5GHZ) {
sdata->vif.bss_conf.use_short_slot = true;
changed |= BSS_CHANGED_ERP_SLOT;
}
case NL80211_IFTYPE_ADHOC:
case NL80211_IFTYPE_MESH_POINT:
case NL80211_IFTYPE_P2P_CLIENT:
+ case NL80211_IFTYPE_P2P_DEVICE:
break;
case NL80211_IFTYPE_P2P_GO:
if (sdata->local->ops->hw_scan)
enum nl80211_tx_power_setting type, int mbm)
{
struct ieee80211_local *local = wiphy_priv(wiphy);
- struct ieee80211_channel *chan = local->hw.conf.channel;
+ struct ieee80211_channel *chan = local->oper_channel;
u32 changes = 0;
switch (type) {
ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
ieee80211_recalc_ps(local, -1);
+ ieee80211_recalc_ps_vif(sdata);
return 0;
}
if (!sdata->u.mgd.associated)
need_offchan = true;
break;
+ case NL80211_IFTYPE_P2P_DEVICE:
+ need_offchan = true;
+ break;
default:
return -EOPNOTSUPP;
}
u16 status_code, struct sk_buff *skb)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ struct ieee80211_local *local = sdata->local;
struct ieee80211_tdls_data *tf;
tf = (void *)skb_put(skb, offsetof(struct ieee80211_tdls_data, u));
tf->u.setup_req.capability =
cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
- ieee80211_add_srates_ie(sdata, skb, false);
- ieee80211_add_ext_srates_ie(sdata, skb, false);
+ ieee80211_add_srates_ie(sdata, skb, false,
+ local->oper_channel->band);
+ ieee80211_add_ext_srates_ie(sdata, skb, false,
+ local->oper_channel->band);
ieee80211_tdls_add_ext_capab(skb);
break;
case WLAN_TDLS_SETUP_RESPONSE:
tf->u.setup_resp.capability =
cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
- ieee80211_add_srates_ie(sdata, skb, false);
- ieee80211_add_ext_srates_ie(sdata, skb, false);
+ ieee80211_add_srates_ie(sdata, skb, false,
+ local->oper_channel->band);
+ ieee80211_add_ext_srates_ie(sdata, skb, false,
+ local->oper_channel->band);
ieee80211_tdls_add_ext_capab(skb);
break;
case WLAN_TDLS_SETUP_CONFIRM:
u16 status_code, struct sk_buff *skb)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ struct ieee80211_local *local = sdata->local;
struct ieee80211_mgmt *mgmt;
mgmt = (void *)skb_put(skb, 24);
mgmt->u.action.u.tdls_discover_resp.capability =
cpu_to_le16(ieee80211_get_tdls_sta_capab(sdata));
- ieee80211_add_srates_ie(sdata, skb, false);
- ieee80211_add_ext_srates_ie(sdata, skb, false);
+ ieee80211_add_srates_ie(sdata, skb, false,
+ local->oper_channel->band);
+ ieee80211_add_ext_srates_ie(sdata, skb, false,
+ local->oper_channel->band);
ieee80211_tdls_add_ext_capab(skb);
break;
default:
.add_virtual_intf = ieee80211_add_iface,
.del_virtual_intf = ieee80211_del_iface,
.change_virtual_intf = ieee80211_change_iface,
+ .start_p2p_device = ieee80211_start_p2p_device,
+ .stop_p2p_device = ieee80211_stop_p2p_device,
.add_key = ieee80211_add_key,
.del_key = ieee80211_del_key,
.get_key = ieee80211_get_key,
local->user_power_level);
DEBUGFS_READONLY_FILE(power, "%d",
local->hw.conf.power_level);
-DEBUGFS_READONLY_FILE(frequency, "%d",
- local->hw.conf.channel->center_freq);
DEBUGFS_READONLY_FILE(total_ps_buffered, "%d",
local->total_ps_buffered);
DEBUGFS_READONLY_FILE(wep_iv, "%#08x",
.llseek = noop_llseek,
};
-static ssize_t channel_type_read(struct file *file, char __user *user_buf,
- size_t count, loff_t *ppos)
-{
- struct ieee80211_local *local = file->private_data;
- const char *buf;
-
- switch (local->hw.conf.channel_type) {
- case NL80211_CHAN_NO_HT:
- buf = "no ht\n";
- break;
- case NL80211_CHAN_HT20:
- buf = "ht20\n";
- break;
- case NL80211_CHAN_HT40MINUS:
- buf = "ht40-\n";
- break;
- case NL80211_CHAN_HT40PLUS:
- buf = "ht40+\n";
- break;
- default:
- buf = "???";
- break;
- }
-
- return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
-}
-
static ssize_t hwflags_read(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
}
DEBUGFS_READONLY_FILE_OPS(hwflags);
-DEBUGFS_READONLY_FILE_OPS(channel_type);
DEBUGFS_READONLY_FILE_OPS(queues);
/* statistics stuff */
local->debugfs.keys = debugfs_create_dir("keys", phyd);
- DEBUGFS_ADD(frequency);
DEBUGFS_ADD(total_ps_buffered);
DEBUGFS_ADD(wep_iv);
DEBUGFS_ADD(queues);
DEBUGFS_ADD_MODE(reset, 0200);
- DEBUGFS_ADD(channel_type);
DEBUGFS_ADD(hwflags);
DEBUGFS_ADD(user_power);
DEBUGFS_ADD(power);
{
WARN(!(sdata->flags & IEEE80211_SDATA_IN_DRIVER),
"%s: Failed check-sdata-in-driver check, flags: 0x%x\n",
- sdata->dev->name, sdata->flags);
+ sdata->dev ? sdata->dev->name : sdata->name, sdata->flags);
}
static inline struct ieee80211_sub_if_data *
return sdata;
}
-static inline void drv_tx(struct ieee80211_local *local, struct sk_buff *skb)
+static inline void drv_tx(struct ieee80211_local *local,
+ struct ieee80211_tx_control *control,
+ struct sk_buff *skb)
{
- local->ops->tx(&local->hw, skb);
+ local->ops->tx(&local->hw, control, skb);
}
static inline void drv_get_et_strings(struct ieee80211_sub_if_data *sdata,
sdata = get_bss_sdata(sdata);
check_sdata_in_driver(sdata);
+ WARN_ON(changed & IEEE80211_RC_SUPP_RATES_CHANGED &&
+ sdata->vif.type != NL80211_IFTYPE_ADHOC);
+
trace_drv_sta_rc_update(local, sdata, sta, changed);
if (local->ops->sta_rc_update)
local->ops->sta_rc_update(&local->hw, &sdata->vif,
memset(mgmt, 0, 24 + sizeof(mgmt->u.beacon));
mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
IEEE80211_STYPE_PROBE_RESP);
- memset(mgmt->da, 0xff, ETH_ALEN);
+ eth_broadcast_addr(mgmt->da);
memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
memcpy(mgmt->bssid, ifibss->bssid, ETH_ALEN);
mgmt->u.beacon.beacon_int = cpu_to_le16(beacon_int);
mod_timer(&ifibss->timer,
round_jiffies(jiffies + IEEE80211_IBSS_MERGE_INTERVAL));
- bss = cfg80211_inform_bss_frame(local->hw.wiphy, local->hw.conf.channel,
+ bss = cfg80211_inform_bss_frame(local->hw.wiphy, chan,
mgmt, skb->len, 0, GFP_KERNEL);
cfg80211_put_bss(bss);
netif_carrier_on(sdata->dev);
struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
struct ieee80211_local *local = sdata->local;
struct sta_info *sta;
- int band = local->hw.conf.channel->band;
+ int band = local->oper_channel->band;
/*
* XXX: Consider removing the least recently used entry and
}
}
- if (sta && rates_updated)
+ if (sta && rates_updated) {
+ drv_sta_rc_update(local, sdata, &sta->sta,
+ IEEE80211_RC_SUPP_RATES_CHANGED);
rate_control_rate_init(sta);
+ }
rcu_read_unlock();
}
struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
struct ieee80211_local *local = sdata->local;
struct sta_info *sta;
- int band = local->hw.conf.channel->band;
+ int band = local->oper_channel->band;
/*
* XXX: Consider removing the least recently used entry and
return;
}
sdata_info(sdata, "IBSS not allowed on %d MHz\n",
- local->hw.conf.channel->center_freq);
+ local->oper_channel->center_freq);
/* No IBSS found - decrease scan interval and continue
* scanning. */
struct sta_info *sta;
struct ieee80211_key *key;
- struct ieee80211_channel *channel;
-
unsigned int flags;
};
struct rcu_head rcu_head;
};
+struct probe_resp {
+ struct rcu_head rcu_head;
+ int len;
+ u8 data[0];
+};
+
struct ieee80211_if_ap {
struct beacon_data __rcu *beacon;
- struct sk_buff __rcu *probe_resp;
+ struct probe_resp __rcu *probe_resp;
struct list_head vlans;
IEEE80211_STA_NULLFUNC_ACKED = BIT(8),
IEEE80211_STA_RESET_SIGNAL_AVE = BIT(9),
IEEE80211_STA_DISABLE_40MHZ = BIT(10),
+ IEEE80211_STA_DISABLE_VHT = BIT(11),
};
struct ieee80211_mgd_auth_data {
struct idr ack_status_frames;
spinlock_t ack_status_lock;
+ struct ieee80211_sub_if_data __rcu *p2p_sdata;
+
/* dummy netdev for use w/ NAPI */
struct net_device napi_dev;
u8 *prep;
u8 *perr;
struct ieee80211_rann_ie *rann;
- u8 *ch_switch_elem;
+ struct ieee80211_channel_sw_ie *ch_switch_ie;
u8 *country_elem;
u8 *pwr_constr_elem;
u8 *quiet_elem; /* first quite element */
u8 preq_len;
u8 prep_len;
u8 perr_len;
- u8 ch_switch_elem_len;
u8 country_elem_len;
u8 pwr_constr_elem_len;
u8 quiet_elem_len;
void ieee80211_send_pspoll(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata);
void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency);
+void ieee80211_recalc_ps_vif(struct ieee80211_sub_if_data *sdata);
int ieee80211_max_network_latency(struct notifier_block *nb,
unsigned long data, void *dummy);
int ieee80211_set_arp_filter(struct ieee80211_sub_if_data *sdata);
void ieee80211_recalc_idle(struct ieee80211_local *local);
void ieee80211_adjust_monitor_flags(struct ieee80211_sub_if_data *sdata,
const int offset);
+int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up);
+void ieee80211_sdata_stop(struct ieee80211_sub_if_data *sdata);
static inline bool ieee80211_sdata_running(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_hdr *hdr);
void ieee80211_sta_tx_notify(struct ieee80211_sub_if_data *sdata,
struct ieee80211_hdr *hdr, bool ack);
-void ieee80211_beacon_connection_loss_work(struct work_struct *work);
void ieee80211_wake_queues_by_reason(struct ieee80211_hw *hw,
enum queue_stop_reason reason);
u8 channel);
struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata,
u8 *dst, u32 ratemask,
+ struct ieee80211_channel *chan,
const u8 *ssid, size_t ssid_len,
const u8 *ie, size_t ie_len,
bool directed);
void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst,
const u8 *ssid, size_t ssid_len,
const u8 *ie, size_t ie_len,
- u32 ratemask, bool directed, bool no_cck);
+ u32 ratemask, bool directed, bool no_cck,
+ struct ieee80211_channel *channel);
void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata,
const size_t supp_rates_len,
u8 *ieee80211_ie_build_vht_cap(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap,
u32 cap);
int ieee80211_add_srates_ie(struct ieee80211_sub_if_data *sdata,
- struct sk_buff *skb, bool need_basic);
+ struct sk_buff *skb, bool need_basic,
+ enum ieee80211_band band);
int ieee80211_add_ext_srates_ie(struct ieee80211_sub_if_data *sdata,
- struct sk_buff *skb, bool need_basic);
+ struct sk_buff *skb, bool need_basic,
+ enum ieee80211_band band);
/* channel management */
enum ieee80211_chan_mode {
sdata->vif.bss_conf.idle = true;
continue;
}
+
+ if (sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE)
+ continue;
+
/* count everything else */
sdata->vif.bss_conf.idle = false;
count++;
list_for_each_entry(sdata, &local->interfaces, list) {
if (sdata->vif.type == NL80211_IFTYPE_MONITOR ||
- sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
+ sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
+ sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE)
continue;
if (sdata->old_idle == sdata->vif.bss_conf.idle)
continue;
{
return type1 == NL80211_IFTYPE_MONITOR ||
type2 == NL80211_IFTYPE_MONITOR ||
+ type1 == NL80211_IFTYPE_P2P_DEVICE ||
+ type2 == NL80211_IFTYPE_P2P_DEVICE ||
(type1 == NL80211_IFTYPE_AP && type2 == NL80211_IFTYPE_WDS) ||
(type1 == NL80211_IFTYPE_WDS &&
(type2 == NL80211_IFTYPE_WDS ||
* an error on interface type changes that have been pre-checked, so most
* checks should be in ieee80211_check_concurrent_iface.
*/
-static int ieee80211_do_open(struct net_device *dev, bool coming_up)
+int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up)
{
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
+ struct net_device *dev = wdev->netdev;
struct ieee80211_local *local = sdata->local;
struct sta_info *sta;
u32 changed = 0;
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_MONITOR:
case NL80211_IFTYPE_ADHOC:
+ case NL80211_IFTYPE_P2P_DEVICE:
/* no special treatment */
break;
case NL80211_IFTYPE_UNSPECIFIED:
* Copy the hopefully now-present MAC address to
* this interface, if it has the special null one.
*/
- if (is_zero_ether_addr(dev->dev_addr)) {
+ if (dev && is_zero_ether_addr(dev->dev_addr)) {
memcpy(dev->dev_addr,
local->hw.wiphy->perm_addr,
ETH_ALEN);
local->fif_probe_req++;
}
- changed |= ieee80211_reset_erp_info(sdata);
+ if (sdata->vif.type != NL80211_IFTYPE_P2P_DEVICE)
+ changed |= ieee80211_reset_erp_info(sdata);
ieee80211_bss_info_change_notify(sdata, changed);
- if (sdata->vif.type == NL80211_IFTYPE_STATION ||
- sdata->vif.type == NL80211_IFTYPE_ADHOC ||
- sdata->vif.type == NL80211_IFTYPE_AP)
+ switch (sdata->vif.type) {
+ case NL80211_IFTYPE_STATION:
+ case NL80211_IFTYPE_ADHOC:
+ case NL80211_IFTYPE_AP:
+ case NL80211_IFTYPE_MESH_POINT:
netif_carrier_off(dev);
- else
+ break;
+ case NL80211_IFTYPE_WDS:
+ case NL80211_IFTYPE_P2P_DEVICE:
+ break;
+ default:
netif_carrier_on(dev);
+ }
/*
* set default queue parameters so drivers don't
}
rate_control_rate_init(sta);
+ netif_carrier_on(dev);
+ } else if (sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE) {
+ rcu_assign_pointer(local->p2p_sdata, sdata);
}
/*
ieee80211_recalc_ps(local, -1);
- netif_tx_start_all_queues(dev);
+ if (dev)
+ netif_tx_start_all_queues(dev);
return 0;
err_del_interface:
if (err)
return err;
- return ieee80211_do_open(dev, true);
+ return ieee80211_do_open(&sdata->wdev, true);
}
static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
/*
* Stop TX on this interface first.
*/
- netif_tx_stop_all_queues(sdata->dev);
+ if (sdata->dev)
+ netif_tx_stop_all_queues(sdata->dev);
ieee80211_roc_purge(sdata);
local->fif_probe_req--;
}
- netif_addr_lock_bh(sdata->dev);
- spin_lock_bh(&local->filter_lock);
- __hw_addr_unsync(&local->mc_list, &sdata->dev->mc,
- sdata->dev->addr_len);
- spin_unlock_bh(&local->filter_lock);
- netif_addr_unlock_bh(sdata->dev);
+ if (sdata->dev) {
+ netif_addr_lock_bh(sdata->dev);
+ spin_lock_bh(&local->filter_lock);
+ __hw_addr_unsync(&local->mc_list, &sdata->dev->mc,
+ sdata->dev->addr_len);
+ spin_unlock_bh(&local->filter_lock);
+ netif_addr_unlock_bh(sdata->dev);
- ieee80211_configure_filter(local);
+ ieee80211_configure_filter(local);
+ }
del_timer_sync(&local->dynamic_ps_timer);
cancel_work_sync(&local->dynamic_ps_enable_work);
struct ieee80211_sub_if_data *vlan, *tmpsdata;
struct beacon_data *old_beacon =
rtnl_dereference(sdata->u.ap.beacon);
- struct sk_buff *old_probe_resp =
+ struct probe_resp *old_probe_resp =
rtnl_dereference(sdata->u.ap.probe_resp);
/* sdata_running will return false, so this will disable */
RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
synchronize_rcu();
kfree(old_beacon);
- kfree_skb(old_probe_resp);
+ kfree(old_probe_resp);
/* down all dependent devices, that is VLANs */
list_for_each_entry_safe(vlan, tmpsdata, &sdata->u.ap.vlans,
ieee80211_adjust_monitor_flags(sdata, -1);
ieee80211_configure_filter(local);
break;
+ case NL80211_IFTYPE_P2P_DEVICE:
+ /* relies on synchronize_rcu() below */
+ rcu_assign_pointer(local->p2p_sdata, NULL);
+ /* fall through */
default:
flush_work(&sdata->work);
/*
skb_queue_purge(&sdata->skb_queue);
/*
- * Disable beaconing here for mesh only, AP and IBSS
- * are already taken care of.
- */
- if (sdata->vif.type == NL80211_IFTYPE_MESH_POINT)
- ieee80211_bss_info_change_notify(sdata,
- BSS_CHANGED_BEACON_ENABLED);
-
- /*
* Free all remaining keys, there shouldn't be any,
* except maybe group keys in AP more or WDS?
*/
* Called when the netdev is removed or, by the code below, before
* the interface type changes.
*/
-static void ieee80211_teardown_sdata(struct net_device *dev)
+static void ieee80211_teardown_sdata(struct ieee80211_sub_if_data *sdata)
{
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_local *local = sdata->local;
int flushed;
int i;
WARN_ON(flushed);
}
+static void ieee80211_uninit(struct net_device *dev)
+{
+ ieee80211_teardown_sdata(IEEE80211_DEV_TO_SUB_IF(dev));
+}
+
static u16 ieee80211_netdev_select_queue(struct net_device *dev,
struct sk_buff *skb)
{
static const struct net_device_ops ieee80211_dataif_ops = {
.ndo_open = ieee80211_open,
.ndo_stop = ieee80211_stop,
- .ndo_uninit = ieee80211_teardown_sdata,
+ .ndo_uninit = ieee80211_uninit,
.ndo_start_xmit = ieee80211_subif_start_xmit,
.ndo_set_rx_mode = ieee80211_set_multicast_list,
.ndo_change_mtu = ieee80211_change_mtu,
static const struct net_device_ops ieee80211_monitorif_ops = {
.ndo_open = ieee80211_open,
.ndo_stop = ieee80211_stop,
- .ndo_uninit = ieee80211_teardown_sdata,
+ .ndo_uninit = ieee80211_uninit,
.ndo_start_xmit = ieee80211_monitor_start_xmit,
.ndo_set_rx_mode = ieee80211_set_multicast_list,
.ndo_change_mtu = ieee80211_change_mtu,
/* and set some type-dependent values */
sdata->vif.type = type;
sdata->vif.p2p = false;
- sdata->dev->netdev_ops = &ieee80211_dataif_ops;
sdata->wdev.iftype = type;
sdata->control_port_protocol = cpu_to_be16(ETH_P_PAE);
sdata->noack_map = 0;
- /* only monitor differs */
- sdata->dev->type = ARPHRD_ETHER;
+ /* only monitor/p2p-device differ */
+ if (sdata->dev) {
+ sdata->dev->netdev_ops = &ieee80211_dataif_ops;
+ sdata->dev->type = ARPHRD_ETHER;
+ }
skb_queue_head_init(&sdata->skb_queue);
INIT_WORK(&sdata->work, ieee80211_iface_work);
break;
case NL80211_IFTYPE_WDS:
case NL80211_IFTYPE_AP_VLAN:
+ case NL80211_IFTYPE_P2P_DEVICE:
break;
case NL80211_IFTYPE_UNSPECIFIED:
case NUM_NL80211_IFTYPES:
ieee80211_debugfs_add_netdev(sdata);
}
-static void ieee80211_clean_sdata(struct ieee80211_sub_if_data *sdata)
-{
- switch (sdata->vif.type) {
- case NL80211_IFTYPE_MESH_POINT:
- mesh_path_flush_by_iface(sdata);
- break;
-
- default:
- break;
- }
-}
-
static int ieee80211_runtime_change_iftype(struct ieee80211_sub_if_data *sdata,
enum nl80211_iftype type)
{
ieee80211_do_stop(sdata, false);
- ieee80211_teardown_sdata(sdata->dev);
+ ieee80211_teardown_sdata(sdata);
ret = drv_change_interface(local, sdata, internal_type, p2p);
if (ret)
ieee80211_setup_sdata(sdata, type);
- err = ieee80211_do_open(sdata->dev, false);
+ err = ieee80211_do_open(&sdata->wdev, false);
WARN(err, "type change: do_open returned %d", err);
return ret;
return ret;
} else {
/* Purge and reset type-dependent state. */
- ieee80211_teardown_sdata(sdata->dev);
+ ieee80211_teardown_sdata(sdata);
ieee80211_setup_sdata(sdata, type);
}
/* reset some values that shouldn't be kept across type changes */
sdata->vif.bss_conf.basic_rates =
ieee80211_mandatory_rates(sdata->local,
- sdata->local->hw.conf.channel->band);
+ sdata->local->oper_channel->band);
sdata->drop_unencrypted = 0;
if (type == NL80211_IFTYPE_STATION)
sdata->u.mgd.use_4addr = false;
}
static void ieee80211_assign_perm_addr(struct ieee80211_local *local,
- struct net_device *dev,
- enum nl80211_iftype type)
+ u8 *perm_addr, enum nl80211_iftype type)
{
struct ieee80211_sub_if_data *sdata;
u64 mask, start, addr, val, inc;
int i;
/* default ... something at least */
- memcpy(dev->perm_addr, local->hw.wiphy->perm_addr, ETH_ALEN);
+ memcpy(perm_addr, local->hw.wiphy->perm_addr, ETH_ALEN);
if (is_zero_ether_addr(local->hw.wiphy->addr_mask) &&
local->hw.wiphy->n_addresses <= 1)
return;
-
mutex_lock(&local->iflist_mtx);
switch (type) {
list_for_each_entry(sdata, &local->interfaces, list) {
if (sdata->vif.type != NL80211_IFTYPE_AP)
continue;
- memcpy(dev->perm_addr, sdata->vif.addr, ETH_ALEN);
+ memcpy(perm_addr, sdata->vif.addr, ETH_ALEN);
break;
}
/* keep default if no AP interface present */
break;
+ case NL80211_IFTYPE_P2P_CLIENT:
+ case NL80211_IFTYPE_P2P_GO:
+ if (local->hw.flags & IEEE80211_HW_P2P_DEV_ADDR_FOR_INTF) {
+ list_for_each_entry(sdata, &local->interfaces, list) {
+ if (sdata->vif.type != NL80211_IFTYPE_P2P_DEVICE)
+ continue;
+ if (!ieee80211_sdata_running(sdata))
+ continue;
+ memcpy(perm_addr, sdata->vif.addr, ETH_ALEN);
+ goto out_unlock;
+ }
+ }
+ /* otherwise fall through */
default:
/* assign a new address if possible -- try n_addresses first */
for (i = 0; i < local->hw.wiphy->n_addresses; i++) {
}
if (!used) {
- memcpy(dev->perm_addr,
+ memcpy(perm_addr,
local->hw.wiphy->addresses[i].addr,
ETH_ALEN);
break;
}
if (!used) {
- memcpy(dev->perm_addr, tmp_addr, ETH_ALEN);
+ memcpy(perm_addr, tmp_addr, ETH_ALEN);
break;
}
addr = (start & ~mask) | (val & mask);
break;
}
+ out_unlock:
mutex_unlock(&local->iflist_mtx);
}
struct wireless_dev **new_wdev, enum nl80211_iftype type,
struct vif_params *params)
{
- struct net_device *ndev;
+ struct net_device *ndev = NULL;
struct ieee80211_sub_if_data *sdata = NULL;
int ret, i;
int txqs = 1;
ASSERT_RTNL();
- if (local->hw.queues >= IEEE80211_NUM_ACS)
- txqs = IEEE80211_NUM_ACS;
-
- ndev = alloc_netdev_mqs(sizeof(*sdata) + local->hw.vif_data_size,
- name, ieee80211_if_setup, txqs, 1);
- if (!ndev)
- return -ENOMEM;
- dev_net_set(ndev, wiphy_net(local->hw.wiphy));
-
- ndev->needed_headroom = local->tx_headroom +
- 4*6 /* four MAC addresses */
- + 2 + 2 + 2 + 2 /* ctl, dur, seq, qos */
- + 6 /* mesh */
- + 8 /* rfc1042/bridge tunnel */
- - ETH_HLEN /* ethernet hard_header_len */
- + IEEE80211_ENCRYPT_HEADROOM;
- ndev->needed_tailroom = IEEE80211_ENCRYPT_TAILROOM;
-
- ret = dev_alloc_name(ndev, ndev->name);
- if (ret < 0)
- goto fail;
-
- ieee80211_assign_perm_addr(local, ndev, type);
- memcpy(ndev->dev_addr, ndev->perm_addr, ETH_ALEN);
- SET_NETDEV_DEV(ndev, wiphy_dev(local->hw.wiphy));
-
- /* don't use IEEE80211_DEV_TO_SUB_IF because it checks too much */
- sdata = netdev_priv(ndev);
- ndev->ieee80211_ptr = &sdata->wdev;
- memcpy(sdata->vif.addr, ndev->dev_addr, ETH_ALEN);
- memcpy(sdata->name, ndev->name, IFNAMSIZ);
+ if (type == NL80211_IFTYPE_P2P_DEVICE) {
+ struct wireless_dev *wdev;
+
+ sdata = kzalloc(sizeof(*sdata) + local->hw.vif_data_size,
+ GFP_KERNEL);
+ if (!sdata)
+ return -ENOMEM;
+ wdev = &sdata->wdev;
+
+ sdata->dev = NULL;
+ strlcpy(sdata->name, name, IFNAMSIZ);
+ ieee80211_assign_perm_addr(local, wdev->address, type);
+ memcpy(sdata->vif.addr, wdev->address, ETH_ALEN);
+ } else {
+ if (local->hw.queues >= IEEE80211_NUM_ACS)
+ txqs = IEEE80211_NUM_ACS;
+
+ ndev = alloc_netdev_mqs(sizeof(*sdata) +
+ local->hw.vif_data_size,
+ name, ieee80211_if_setup, txqs, 1);
+ if (!ndev)
+ return -ENOMEM;
+ dev_net_set(ndev, wiphy_net(local->hw.wiphy));
+
+ ndev->needed_headroom = local->tx_headroom +
+ 4*6 /* four MAC addresses */
+ + 2 + 2 + 2 + 2 /* ctl, dur, seq, qos */
+ + 6 /* mesh */
+ + 8 /* rfc1042/bridge tunnel */
+ - ETH_HLEN /* ethernet hard_header_len */
+ + IEEE80211_ENCRYPT_HEADROOM;
+ ndev->needed_tailroom = IEEE80211_ENCRYPT_TAILROOM;
+
+ ret = dev_alloc_name(ndev, ndev->name);
+ if (ret < 0) {
+ free_netdev(ndev);
+ return ret;
+ }
+
+ ieee80211_assign_perm_addr(local, ndev->perm_addr, type);
+ memcpy(ndev->dev_addr, ndev->perm_addr, ETH_ALEN);
+ SET_NETDEV_DEV(ndev, wiphy_dev(local->hw.wiphy));
+
+ /* don't use IEEE80211_DEV_TO_SUB_IF -- it checks too much */
+ sdata = netdev_priv(ndev);
+ ndev->ieee80211_ptr = &sdata->wdev;
+ memcpy(sdata->vif.addr, ndev->dev_addr, ETH_ALEN);
+ memcpy(sdata->name, ndev->name, IFNAMSIZ);
+
+ sdata->dev = ndev;
+ }
/* initialise type-independent data */
sdata->wdev.wiphy = local->hw.wiphy;
sdata->local = local;
- sdata->dev = ndev;
#ifdef CONFIG_INET
sdata->arp_filter_state = true;
#endif
/* setup type-dependent data */
ieee80211_setup_sdata(sdata, type);
- if (params) {
- ndev->ieee80211_ptr->use_4addr = params->use_4addr;
- if (type == NL80211_IFTYPE_STATION)
- sdata->u.mgd.use_4addr = params->use_4addr;
- }
+ if (ndev) {
+ if (params) {
+ ndev->ieee80211_ptr->use_4addr = params->use_4addr;
+ if (type == NL80211_IFTYPE_STATION)
+ sdata->u.mgd.use_4addr = params->use_4addr;
+ }
- ndev->features |= local->hw.netdev_features;
+ ndev->features |= local->hw.netdev_features;
- ret = register_netdevice(ndev);
- if (ret)
- goto fail;
+ ret = register_netdevice(ndev);
+ if (ret) {
+ free_netdev(ndev);
+ return ret;
+ }
+ }
mutex_lock(&local->iflist_mtx);
list_add_tail_rcu(&sdata->list, &local->interfaces);
*new_wdev = &sdata->wdev;
return 0;
-
- fail:
- free_netdev(ndev);
- return ret;
}
void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata)
list_del_rcu(&sdata->list);
mutex_unlock(&sdata->local->iflist_mtx);
- /* clean up type-dependent data */
- ieee80211_clean_sdata(sdata);
-
synchronize_rcu();
- unregister_netdevice(sdata->dev);
+
+ if (sdata->dev) {
+ unregister_netdevice(sdata->dev);
+ } else {
+ cfg80211_unregister_wdev(&sdata->wdev);
+ kfree(sdata);
+ }
+}
+
+void ieee80211_sdata_stop(struct ieee80211_sub_if_data *sdata)
+{
+ if (WARN_ON_ONCE(!test_bit(SDATA_STATE_RUNNING, &sdata->state)))
+ return;
+ ieee80211_do_stop(sdata, true);
+ ieee80211_teardown_sdata(sdata);
}
/*
{
struct ieee80211_sub_if_data *sdata, *tmp;
LIST_HEAD(unreg_list);
+ LIST_HEAD(wdev_list);
ASSERT_RTNL();
list_for_each_entry_safe(sdata, tmp, &local->interfaces, list) {
list_del(&sdata->list);
- ieee80211_clean_sdata(sdata);
-
- unregister_netdevice_queue(sdata->dev, &unreg_list);
+ if (sdata->dev)
+ unregister_netdevice_queue(sdata->dev, &unreg_list);
+ else
+ list_add(&sdata->list, &wdev_list);
}
mutex_unlock(&local->iflist_mtx);
unregister_netdevice_many(&unreg_list);
list_del(&unreg_list);
+
+ list_for_each_entry_safe(sdata, tmp, &wdev_list, list) {
+ list_del(&sdata->list);
+ cfg80211_unregister_wdev(&sdata->wdev);
+ kfree(sdata);
+ }
}
static int netdev_notify(struct notifier_block *nb,
sdata->vif.bss_conf.bssid = NULL;
else if (ieee80211_vif_is_mesh(&sdata->vif)) {
sdata->vif.bss_conf.bssid = zero;
+ } else if (sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE) {
+ sdata->vif.bss_conf.bssid = sdata->vif.addr;
+ WARN_ONCE(changed & ~(BSS_CHANGED_IDLE),
+ "P2P Device BSS changed %#x", changed);
} else {
WARN_ON(1);
return;
BIT(IEEE80211_STYPE_AUTH >> 4) |
BIT(IEEE80211_STYPE_DEAUTH >> 4),
},
+ [NL80211_IFTYPE_P2P_DEVICE] = {
+ .tx = 0xffff,
+ .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
+ BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
+ },
};
static const struct ieee80211_ht_cap mac80211_ht_capa_mod_mask = {
int priv_size, i;
struct wiphy *wiphy;
+ if (WARN_ON(!ops->tx || !ops->start || !ops->stop || !ops->config ||
+ !ops->add_interface || !ops->remove_interface ||
+ !ops->configure_filter))
+ return NULL;
+
if (WARN_ON(ops->sta_state && (ops->sta_add || ops->sta_remove)))
return NULL;
local->hw.priv = (char *)local + ALIGN(sizeof(*local), NETDEV_ALIGN);
- BUG_ON(!ops->tx);
- BUG_ON(!ops->start);
- BUG_ON(!ops->stop);
- BUG_ON(!ops->config);
- BUG_ON(!ops->add_interface);
- BUG_ON(!ops->remove_interface);
- BUG_ON(!ops->configure_filter);
local->ops = ops;
/* set up some defaults */
/* Disallow HT40+/- mismatch */
if (ie->ht_operation &&
- (local->_oper_channel_type == NL80211_CHAN_HT40MINUS ||
- local->_oper_channel_type == NL80211_CHAN_HT40PLUS) &&
+ (sdata->vif.bss_conf.channel_type == NL80211_CHAN_HT40MINUS ||
+ sdata->vif.bss_conf.channel_type == NL80211_CHAN_HT40PLUS) &&
(sta_channel_type == NL80211_CHAN_HT40MINUS ||
sta_channel_type == NL80211_CHAN_HT40PLUS) &&
- local->_oper_channel_type != sta_channel_type)
+ sdata->vif.bss_conf.channel_type != sta_channel_type)
goto mismatch;
return true;
* mesh_accept_plinks_update - update accepting_plink in local mesh beacons
*
* @sdata: mesh interface in which mesh beacons are going to be updated
+ *
+ * Returns: beacon changed flag if the beacon content changed.
*/
-void mesh_accept_plinks_update(struct ieee80211_sub_if_data *sdata)
+u32 mesh_accept_plinks_update(struct ieee80211_sub_if_data *sdata)
{
bool free_plinks;
+ u32 changed = 0;
/* In case mesh_plink_free_count > 0 and mesh_plinktbl_capacity == 0,
* the mesh interface might be able to establish plinks with peers that
*/
free_plinks = mesh_plink_availables(sdata);
- if (free_plinks != sdata->u.mesh.accepting_plinks)
- ieee80211_mesh_housekeeping_timer((unsigned long) sdata);
+ if (free_plinks != sdata->u.mesh.accepting_plinks) {
+ sdata->u.mesh.accepting_plinks = free_plinks;
+ changed = BSS_CHANGED_BEACON;
+ }
+
+ return changed;
}
int mesh_rmc_init(struct ieee80211_sub_if_data *sdata)
neighbors = (neighbors > 15) ? 15 : neighbors;
*pos++ = neighbors << 1;
/* Mesh capability */
- ifmsh->accepting_plinks = mesh_plink_availables(sdata);
*pos = MESHCONF_CAPAB_FORWARDING;
*pos |= ifmsh->accepting_plinks ?
MESHCONF_CAPAB_ACCEPT_PLINKS : 0x00;
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_supported_band *sband;
+ struct ieee80211_channel *chan = local->oper_channel;
u8 *pos;
if (skb_tailroom(skb) < 3)
return -ENOMEM;
- sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
+ sband = local->hw.wiphy->bands[chan->band];
if (sband->band == IEEE80211_BAND_2GHZ) {
pos = skb_put(skb, 2 + 1);
*pos++ = WLAN_EID_DS_PARAMS;
*pos++ = 1;
- *pos++ = ieee80211_frequency_to_channel(local->hw.conf.channel->center_freq);
+ *pos++ = ieee80211_frequency_to_channel(chan->center_freq);
}
return 0;
sband = local->hw.wiphy->bands[local->oper_channel->band];
if (!sband->ht_cap.ht_supported ||
- local->_oper_channel_type == NL80211_CHAN_NO_HT)
+ sdata->vif.bss_conf.channel_type == NL80211_CHAN_NO_HT)
return 0;
if (skb_tailroom(skb) < 2 + sizeof(struct ieee80211_ht_cap))
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_channel *channel = local->oper_channel;
- enum nl80211_channel_type channel_type = local->_oper_channel_type;
+ enum nl80211_channel_type channel_type =
+ sdata->vif.bss_conf.channel_type;
struct ieee80211_supported_band *sband =
local->hw.wiphy->bands[channel->band];
struct ieee80211_sta_ht_cap *ht_cap = &sband->ht_cap;
static void ieee80211_mesh_housekeeping(struct ieee80211_sub_if_data *sdata,
struct ieee80211_if_mesh *ifmsh)
{
- bool free_plinks;
+ u32 changed;
ieee80211_sta_expire(sdata, IEEE80211_MESH_PEER_INACTIVITY_LIMIT);
mesh_path_expire(sdata);
- free_plinks = mesh_plink_availables(sdata);
- if (free_plinks != sdata->u.mesh.accepting_plinks)
- ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON);
+ changed = mesh_accept_plinks_update(sdata);
+ ieee80211_bss_info_change_notify(sdata, changed);
mod_timer(&ifmsh->housekeeping_timer,
round_jiffies(jiffies + IEEE80211_MESH_HOUSEKEEPING_INTERVAL));
sdata->vif.bss_conf.beacon_int = MESH_DEFAULT_BEACON_INTERVAL;
sdata->vif.bss_conf.basic_rates =
ieee80211_mandatory_rates(sdata->local,
- sdata->local->hw.conf.channel->band);
+ sdata->local->oper_channel->band);
ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON |
BSS_CHANGED_BEACON_ENABLED |
BSS_CHANGED_HT |
BSS_CHANGED_BASIC_RATES |
BSS_CHANGED_BEACON_INT);
+
+ netif_carrier_on(sdata->dev);
}
void ieee80211_stop_mesh(struct ieee80211_sub_if_data *sdata)
struct ieee80211_local *local = sdata->local;
struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
+ netif_carrier_off(sdata->dev);
+
+ /* stop the beacon */
ifmsh->mesh_id_len = 0;
ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
- sta_info_flush(local, NULL);
+
+ /* flush STAs and mpaths on this iface */
+ sta_info_flush(sdata->local, sdata);
+ mesh_path_flush_by_iface(sdata);
del_timer_sync(&sdata->u.mesh.housekeeping_timer);
del_timer_sync(&sdata->u.mesh.mesh_path_root_timer);
/* Maximum number of paths per interface */
#define MESH_MAX_MPATHS 1024
+/* Number of frames buffered per destination for unresolved destinations */
+#define MESH_FRAME_QUEUE_LEN 10
+
/* Public interfaces */
/* Various */
int ieee80211_fill_mesh_addresses(struct ieee80211_hdr *hdr, __le16 *fc,
u8 *hw_addr,
struct ieee802_11_elems *ie);
bool mesh_peer_accepts_plinks(struct ieee802_11_elems *ie);
-void mesh_accept_plinks_update(struct ieee80211_sub_if_data *sdata);
+u32 mesh_accept_plinks_update(struct ieee80211_sub_if_data *sdata);
void mesh_plink_broken(struct sta_info *sta);
void mesh_plink_deactivate(struct sta_info *sta);
int mesh_plink_open(struct sta_info *sta);
#define MAX_METRIC 0xffffffff
#define ARITH_SHIFT 8
-/* Number of frames buffered per destination for unresolved destinations */
-#define MESH_FRAME_QUEUE_LEN 10
#define MAX_PREQ_QUEUE_LEN 64
/* Destination only */
{
struct sk_buff *skb;
struct ieee80211_hdr *hdr;
- struct sk_buff_head tmpq;
unsigned long flags;
rcu_assign_pointer(mpath->next_hop, sta);
- __skb_queue_head_init(&tmpq);
-
spin_lock_irqsave(&mpath->frame_queue.lock, flags);
-
- while ((skb = __skb_dequeue(&mpath->frame_queue)) != NULL) {
+ skb_queue_walk(&mpath->frame_queue, skb) {
hdr = (struct ieee80211_hdr *) skb->data;
memcpy(hdr->addr1, sta->sta.addr, ETH_ALEN);
memcpy(hdr->addr2, mpath->sdata->vif.addr, ETH_ALEN);
- __skb_queue_tail(&tmpq, skb);
}
- skb_queue_splice(&tmpq, &mpath->frame_queue);
spin_unlock_irqrestore(&mpath->frame_queue.lock, flags);
}
struct mesh_path *from_mpath,
bool copy)
{
- struct sk_buff *skb, *cp_skb = NULL;
- struct sk_buff_head gateq, failq;
+ struct sk_buff *skb, *fskb, *tmp;
+ struct sk_buff_head failq;
unsigned long flags;
- int num_skbs;
BUG_ON(gate_mpath == from_mpath);
BUG_ON(!gate_mpath->next_hop);
- __skb_queue_head_init(&gateq);
__skb_queue_head_init(&failq);
spin_lock_irqsave(&from_mpath->frame_queue.lock, flags);
skb_queue_splice_init(&from_mpath->frame_queue, &failq);
spin_unlock_irqrestore(&from_mpath->frame_queue.lock, flags);
- num_skbs = skb_queue_len(&failq);
-
- while (num_skbs--) {
- skb = __skb_dequeue(&failq);
- if (copy) {
- cp_skb = skb_copy(skb, GFP_ATOMIC);
- if (cp_skb)
- __skb_queue_tail(&failq, cp_skb);
+ skb_queue_walk_safe(&failq, fskb, tmp) {
+ if (skb_queue_len(&gate_mpath->frame_queue) >=
+ MESH_FRAME_QUEUE_LEN) {
+ mpath_dbg(gate_mpath->sdata, "mpath queue full!\n");
+ break;
}
+ skb = skb_copy(fskb, GFP_ATOMIC);
+ if (WARN_ON(!skb))
+ break;
+
prepare_for_gate(skb, gate_mpath->dst, gate_mpath);
- __skb_queue_tail(&gateq, skb);
+ skb_queue_tail(&gate_mpath->frame_queue, skb);
+
+ if (copy)
+ continue;
+
+ __skb_unlink(fskb, &failq);
+ kfree_skb(fskb);
}
- spin_lock_irqsave(&gate_mpath->frame_queue.lock, flags);
- skb_queue_splice(&gateq, &gate_mpath->frame_queue);
mpath_dbg(gate_mpath->sdata, "Mpath queue for gate %pM has %d frames\n",
gate_mpath->dst, skb_queue_len(&gate_mpath->frame_queue));
- spin_unlock_irqrestore(&gate_mpath->frame_queue.lock, flags);
if (!copy)
return;
read_lock_bh(&pathtbl_resize_lock);
memcpy(new_mpath->dst, dst, ETH_ALEN);
- memset(new_mpath->rann_snd_addr, 0xff, ETH_ALEN);
+ eth_broadcast_addr(new_mpath->rann_snd_addr);
new_mpath->is_root = false;
new_mpath->sdata = sdata;
new_mpath->flags = 0;
u8 *da, __le16 llid, __le16 plid, __le16 reason);
static inline
-void mesh_plink_inc_estab_count(struct ieee80211_sub_if_data *sdata)
+u32 mesh_plink_inc_estab_count(struct ieee80211_sub_if_data *sdata)
{
atomic_inc(&sdata->u.mesh.mshstats.estab_plinks);
- mesh_accept_plinks_update(sdata);
+ return mesh_accept_plinks_update(sdata);
}
static inline
-void mesh_plink_dec_estab_count(struct ieee80211_sub_if_data *sdata)
+u32 mesh_plink_dec_estab_count(struct ieee80211_sub_if_data *sdata)
{
atomic_dec(&sdata->u.mesh.mshstats.estab_plinks);
- mesh_accept_plinks_update(sdata);
+ return mesh_accept_plinks_update(sdata);
}
/**
u16 ht_opmode;
bool non_ht_sta = false, ht20_sta = false;
- if (local->_oper_channel_type == NL80211_CHAN_NO_HT)
+ if (sdata->vif.bss_conf.channel_type == NL80211_CHAN_NO_HT)
return 0;
rcu_read_lock();
if (non_ht_sta)
ht_opmode = IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED;
- else if (ht20_sta && local->_oper_channel_type > NL80211_CHAN_HT20)
+ else if (ht20_sta &&
+ sdata->vif.bss_conf.channel_type > NL80211_CHAN_HT20)
ht_opmode = IEEE80211_HT_OP_MODE_PROTECTION_20MHZ;
else
ht_opmode = IEEE80211_HT_OP_MODE_PROTECTION_NONE;
* @sta: mesh peer link to deactivate
*
* All mesh paths with this peer as next hop will be flushed
+ * Returns beacon changed flag if the beacon content changed.
*
* Locking: the caller must hold sta->lock
*/
-static bool __mesh_plink_deactivate(struct sta_info *sta)
+static u32 __mesh_plink_deactivate(struct sta_info *sta)
{
struct ieee80211_sub_if_data *sdata = sta->sdata;
- bool deactivated = false;
+ u32 changed = 0;
- if (sta->plink_state == NL80211_PLINK_ESTAB) {
- mesh_plink_dec_estab_count(sdata);
- deactivated = true;
- }
+ if (sta->plink_state == NL80211_PLINK_ESTAB)
+ changed = mesh_plink_dec_estab_count(sdata);
sta->plink_state = NL80211_PLINK_BLOCKED;
mesh_path_flush_by_nexthop(sta);
- return deactivated;
+ return changed;
}
/**
void mesh_plink_deactivate(struct sta_info *sta)
{
struct ieee80211_sub_if_data *sdata = sta->sdata;
- bool deactivated;
+ u32 changed;
spin_lock_bh(&sta->lock);
- deactivated = __mesh_plink_deactivate(sta);
+ changed = __mesh_plink_deactivate(sta);
sta->reason = cpu_to_le16(WLAN_REASON_MESH_PEER_CANCELED);
mesh_plink_frame_tx(sdata, WLAN_SP_MESH_PEERING_CLOSE,
sta->sta.addr, sta->llid, sta->plid,
sta->reason);
spin_unlock_bh(&sta->lock);
- if (deactivated)
- ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON);
+ ieee80211_bss_info_change_notify(sdata, changed);
}
static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata,
u8 *da, __le16 llid, __le16 plid, __le16 reason) {
struct ieee80211_local *local = sdata->local;
struct sk_buff *skb;
+ struct ieee80211_tx_info *info;
struct ieee80211_mgmt *mgmt;
bool include_plid = false;
u16 peering_proto = 0;
u8 *pos, ie_len = 4;
int hdr_len = offsetof(struct ieee80211_mgmt, u.action.u.self_prot) +
sizeof(mgmt->u.action.u.self_prot);
+ int err = -ENOMEM;
skb = dev_alloc_skb(local->tx_headroom +
hdr_len +
sdata->u.mesh.ie_len);
if (!skb)
return -1;
+ info = IEEE80211_SKB_CB(skb);
skb_reserve(skb, local->tx_headroom);
mgmt = (struct ieee80211_mgmt *) skb_put(skb, hdr_len);
memset(mgmt, 0, hdr_len);
pos = skb_put(skb, 2);
memcpy(pos + 2, &plid, 2);
}
- if (ieee80211_add_srates_ie(sdata, skb, true) ||
- ieee80211_add_ext_srates_ie(sdata, skb, true) ||
+ if (ieee80211_add_srates_ie(sdata, skb, true,
+ local->oper_channel->band) ||
+ ieee80211_add_ext_srates_ie(sdata, skb, true,
+ local->oper_channel->band) ||
mesh_add_rsn_ie(skb, sdata) ||
mesh_add_meshid_ie(skb, sdata) ||
mesh_add_meshconf_ie(skb, sdata))
- return -1;
+ goto free;
} else { /* WLAN_SP_MESH_PEERING_CLOSE */
+ info->flags |= IEEE80211_TX_CTL_NO_ACK;
if (mesh_add_meshid_ie(skb, sdata))
- return -1;
+ goto free;
}
/* Add Mesh Peering Management element */
ie_len += 2; /* reason code */
break;
default:
- return -EINVAL;
+ err = -EINVAL;
+ goto free;
}
if (WARN_ON(skb_tailroom(skb) < 2 + ie_len))
- return -ENOMEM;
+ goto free;
pos = skb_put(skb, 2 + ie_len);
*pos++ = WLAN_EID_PEER_MGMT;
if (action != WLAN_SP_MESH_PEERING_CLOSE) {
if (mesh_add_ht_cap_ie(skb, sdata) ||
mesh_add_ht_oper_ie(skb, sdata))
- return -1;
+ goto free;
}
if (mesh_add_vendor_ies(skb, sdata))
- return -1;
+ goto free;
ieee80211_tx_skb(sdata, skb);
return 0;
+free:
+ kfree_skb(skb);
+ return err;
}
/**
spin_lock_bh(&sta->lock);
sta->last_rx = jiffies;
+ if (sta->plink_state == NL80211_PLINK_ESTAB) {
+ spin_unlock_bh(&sta->lock);
+ return sta;
+ }
+
sta->sta.supp_rates[band] = rates;
if (elems->ht_cap_elem &&
- sdata->local->_oper_channel_type != NL80211_CHAN_NO_HT)
+ sdata->vif.bss_conf.channel_type != NL80211_CHAN_NO_HT)
ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
elems->ht_cap_elem,
&sta->sta.ht_cap);
void mesh_plink_block(struct sta_info *sta)
{
struct ieee80211_sub_if_data *sdata = sta->sdata;
- bool deactivated;
+ u32 changed;
spin_lock_bh(&sta->lock);
- deactivated = __mesh_plink_deactivate(sta);
+ changed = __mesh_plink_deactivate(sta);
sta->plink_state = NL80211_PLINK_BLOCKED;
spin_unlock_bh(&sta->lock);
- if (deactivated)
- ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON);
+ ieee80211_bss_info_change_notify(sdata, changed);
}
del_timer(&sta->plink_timer);
sta->plink_state = NL80211_PLINK_ESTAB;
spin_unlock_bh(&sta->lock);
- mesh_plink_inc_estab_count(sdata);
+ changed |= mesh_plink_inc_estab_count(sdata);
changed |= mesh_set_ht_prot_mode(sdata);
- changed |= BSS_CHANGED_BEACON;
mpl_dbg(sdata, "Mesh plink with %pM ESTABLISHED\n",
sta->sta.addr);
break;
del_timer(&sta->plink_timer);
sta->plink_state = NL80211_PLINK_ESTAB;
spin_unlock_bh(&sta->lock);
- mesh_plink_inc_estab_count(sdata);
+ changed |= mesh_plink_inc_estab_count(sdata);
changed |= mesh_set_ht_prot_mode(sdata);
- changed |= BSS_CHANGED_BEACON;
mpl_dbg(sdata, "Mesh plink with %pM ESTABLISHED\n",
sta->sta.addr);
mesh_plink_frame_tx(sdata,
case CLS_ACPT:
reason = cpu_to_le16(WLAN_REASON_MESH_CLOSE);
sta->reason = reason;
- __mesh_plink_deactivate(sta);
+ changed |= __mesh_plink_deactivate(sta);
sta->plink_state = NL80211_PLINK_HOLDING;
llid = sta->llid;
mod_plink_timer(sta, dot11MeshHoldingTimeout(sdata));
spin_unlock_bh(&sta->lock);
changed |= mesh_set_ht_prot_mode(sdata);
- changed |= BSS_CHANGED_BEACON;
mesh_plink_frame_tx(sdata, WLAN_SP_MESH_PEERING_CLOSE,
sta->sta.addr, llid, plid, reason);
break;
if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER)
return;
+ if (sdata->local->hw.flags & IEEE80211_HW_CONNECTION_MONITOR)
+ return;
+
mod_timer(&sdata->u.mgd.bcn_mon_timer,
round_jiffies_up(jiffies + sdata->u.mgd.beacon_timeout));
}
u16 ht_opmode;
bool disable_40 = false;
- sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
+ sband = local->hw.wiphy->bands[local->oper_channel->band];
switch (sdata->vif.bss_conf.channel_type) {
case NL80211_CHAN_HT40PLUS:
- if (local->hw.conf.channel->flags & IEEE80211_CHAN_NO_HT40PLUS)
+ if (local->oper_channel->flags & IEEE80211_CHAN_NO_HT40PLUS)
disable_40 = true;
break;
case NL80211_CHAN_HT40MINUS:
- if (local->hw.conf.channel->flags & IEEE80211_CHAN_NO_HT40MINUS)
+ if (local->oper_channel->flags & IEEE80211_CHAN_NO_HT40MINUS)
disable_40 = true;
break;
default:
ieee80211_ie_build_ht_cap(pos, &ht_cap, cap);
}
+static void ieee80211_add_vht_ie(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb,
+ struct ieee80211_supported_band *sband)
+{
+ u8 *pos;
+ u32 cap;
+ struct ieee80211_sta_vht_cap vht_cap;
+
+ BUILD_BUG_ON(sizeof(vht_cap) != sizeof(sband->vht_cap));
+
+ memcpy(&vht_cap, &sband->vht_cap, sizeof(vht_cap));
+
+ /* determine capability flags */
+ cap = vht_cap.cap;
+
+ /* reserve and fill IE */
+ pos = skb_put(skb, sizeof(struct ieee80211_vht_capabilities) + 2);
+ ieee80211_ie_build_vht_cap(pos, &vht_cap, cap);
+}
+
static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_local *local = sdata->local;
4 + /* power capability */
2 + 2 * sband->n_channels + /* supported channels */
2 + sizeof(struct ieee80211_ht_cap) + /* HT */
+ 2 + sizeof(struct ieee80211_vht_capabilities) + /* VHT */
assoc_data->ie_len + /* extra IEs */
9, /* WMM */
GFP_KERNEL);
ieee80211_add_ht_ie(sdata, skb, assoc_data->ap_ht_param,
sband, local->oper_channel, ifmgd->ap_smps);
+ if (!(ifmgd->flags & IEEE80211_STA_DISABLE_VHT))
+ ieee80211_add_vht_ie(sdata, skb, sband);
+
/* if present, add any custom non-vendor IEs that go after HT */
if (assoc_data->ie_len && assoc_data->ie) {
noffset = ieee80211_ie_split_vendor(assoc_data->ie,
IEEE80211_SKB_CB(skb)->flags |=
IEEE80211_TX_INTFL_DONT_ENCRYPT;
- drv_mgd_prepare_tx(local, sdata);
-
ieee80211_tx_skb(sdata, skb);
}
}
/* XXX: shouldn't really modify cfg80211-owned data! */
ifmgd->associated->channel = sdata->local->oper_channel;
+ /* XXX: wait for a beacon first? */
ieee80211_wake_queues_by_reason(&sdata->local->hw,
IEEE80211_QUEUE_STOP_REASON_CSA);
out:
sdata->local->csa_channel = new_ch;
+ ifmgd->flags |= IEEE80211_STA_CSA_RECEIVED;
+
+ if (sw_elem->mode)
+ ieee80211_stop_queues_by_reason(&sdata->local->hw,
+ IEEE80211_QUEUE_STOP_REASON_CSA);
+
if (sdata->local->ops->channel_switch) {
/* use driver's channel switch callback */
- struct ieee80211_channel_switch ch_switch;
- memset(&ch_switch, 0, sizeof(ch_switch));
- ch_switch.timestamp = timestamp;
- if (sw_elem->mode) {
- ch_switch.block_tx = true;
- ieee80211_stop_queues_by_reason(&sdata->local->hw,
- IEEE80211_QUEUE_STOP_REASON_CSA);
- }
- ch_switch.channel = new_ch;
- ch_switch.count = sw_elem->count;
- ifmgd->flags |= IEEE80211_STA_CSA_RECEIVED;
+ struct ieee80211_channel_switch ch_switch = {
+ .timestamp = timestamp,
+ .block_tx = sw_elem->mode,
+ .channel = new_ch,
+ .count = sw_elem->count,
+ };
+
drv_channel_switch(sdata->local, &ch_switch);
return;
}
/* channel switch handled in software */
- if (sw_elem->count <= 1) {
+ if (sw_elem->count <= 1)
ieee80211_queue_work(&sdata->local->hw, &ifmgd->chswitch_work);
- } else {
- if (sw_elem->mode)
- ieee80211_stop_queues_by_reason(&sdata->local->hw,
- IEEE80211_QUEUE_STOP_REASON_CSA);
- ifmgd->flags |= IEEE80211_STA_CSA_RECEIVED;
+ else
mod_timer(&ifmgd->chswitch_timer,
- jiffies +
- msecs_to_jiffies(sw_elem->count *
- cbss->beacon_interval));
- }
+ TU_TO_EXP_TIME(sw_elem->count *
+ cbss->beacon_interval));
}
static void ieee80211_handle_pwr_constr(struct ieee80211_sub_if_data *sdata,
ieee80211_change_ps(local);
}
+void ieee80211_recalc_ps_vif(struct ieee80211_sub_if_data *sdata)
+{
+ bool ps_allowed = ieee80211_powersave_allowed(sdata);
+
+ if (sdata->vif.bss_conf.ps != ps_allowed) {
+ sdata->vif.bss_conf.ps = ps_allowed;
+ ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_PS);
+ }
+}
+
void ieee80211_dynamic_ps_disable_work(struct work_struct *work)
{
struct ieee80211_local *local =
}
use_short_slot = !!(capab & WLAN_CAPABILITY_SHORT_SLOT_TIME);
- if (sdata->local->hw.conf.channel->band == IEEE80211_BAND_5GHZ)
+ if (sdata->local->oper_channel->band == IEEE80211_BAND_5GHZ)
use_short_slot = true;
if (use_protection != bss_conf->use_cts_prot) {
ieee80211_recalc_smps(local);
mutex_unlock(&local->iflist_mtx);
+ ieee80211_recalc_ps_vif(sdata);
+
netif_tx_start_all_queues(sdata->dev);
netif_carrier_on(sdata->dev);
}
}
local->ps_sdata = NULL;
+ /* disable per-vif ps */
+ ieee80211_recalc_ps_vif(sdata);
+
/* flush out any pending frame (e.g. DELBA) before deauth/disassoc */
if (tx)
drv_flush(local, false);
ssid_len = ssid[1];
ieee80211_send_probe_req(sdata, dst, ssid + 2, ssid_len, NULL,
- 0, (u32) -1, true, false);
+ 0, (u32) -1, true, false,
+ ifmgd->associated->channel);
}
ifmgd->probe_timeout = jiffies + msecs_to_jiffies(probe_wait_ms);
ssid_len = ssid[1];
skb = ieee80211_build_probe_req(sdata, cbss->bssid,
- (u32) -1, ssid + 2, ssid_len,
+ (u32) -1,
+ sdata->local->oper_channel,
+ ssid + 2, ssid_len,
NULL, 0, true);
return skb;
{
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
struct ieee80211_local *local = sdata->local;
- u8 bssid[ETH_ALEN];
u8 frame_buf[DEAUTH_DISASSOC_LEN];
mutex_lock(&ifmgd->mtx);
return;
}
- memcpy(bssid, ifmgd->associated->bssid, ETH_ALEN);
-
- sdata_info(sdata, "Connection to AP %pM lost\n", bssid);
+ sdata_info(sdata, "Connection to AP %pM lost\n",
+ ifmgd->associated->bssid);
ieee80211_set_disassoc(sdata, IEEE80211_STYPE_DEAUTH,
WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY,
mutex_unlock(&local->mtx);
}
-void ieee80211_beacon_connection_loss_work(struct work_struct *work)
+static void ieee80211_beacon_connection_loss_work(struct work_struct *work)
{
struct ieee80211_sub_if_data *sdata =
container_of(work, struct ieee80211_sub_if_data,
mutex_unlock(&local->iflist_mtx);
}
- if (elems->ch_switch_elem && (elems->ch_switch_elem_len == 3) &&
- (memcmp(mgmt->bssid, sdata->u.mgd.associated->bssid,
- ETH_ALEN) == 0)) {
- struct ieee80211_channel_sw_ie *sw_elem =
- (struct ieee80211_channel_sw_ie *)elems->ch_switch_elem;
- ieee80211_sta_process_chanswitch(sdata, sw_elem,
+ if (elems->ch_switch_ie &&
+ memcmp(mgmt->bssid, sdata->u.mgd.associated->bssid, ETH_ALEN) == 0)
+ ieee80211_sta_process_chanswitch(sdata, elems->ch_switch_ie,
bss, rx_status->mactime);
- }
}
if (baselen > len)
return;
- if (rx_status->freq != local->hw.conf.channel->center_freq)
+ if (rx_status->freq != local->oper_channel->center_freq)
return;
if (ifmgd->assoc_data && !ifmgd->assoc_data->have_beacon &&
!(ifmgd->flags & IEEE80211_STA_DISABLE_11N)) {
struct ieee80211_supported_band *sband;
- sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
+ sband = local->hw.wiphy->bands[local->oper_channel->band];
changed |= ieee80211_config_ht_tx(sdata, elems.ht_operation,
bssid, true);
* will not answer to direct packet in unassociated state.
*/
ieee80211_send_probe_req(sdata, NULL, ssidie + 2, ssidie[1],
- NULL, 0, (u32) -1, true, false);
+ NULL, 0, (u32) -1, true, false,
+ auth_data->bss->channel);
}
auth_data->timeout = jiffies + IEEE80211_AUTH_TIMEOUT;
return 0;
}
-static int ieee80211_prep_connection(struct ieee80211_sub_if_data *sdata,
- struct cfg80211_bss *cbss, bool assoc)
+static int ieee80211_prep_channel(struct ieee80211_sub_if_data *sdata,
+ struct cfg80211_bss *cbss)
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
- struct ieee80211_bss *bss = (void *)cbss->priv;
- struct sta_info *sta = NULL;
- bool have_sta = false;
- int err;
int ht_cfreq;
enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT;
const u8 *ht_oper_ie;
const struct ieee80211_ht_operation *ht_oper = NULL;
struct ieee80211_supported_band *sband;
- if (WARN_ON(!ifmgd->auth_data && !ifmgd->assoc_data))
- return -EINVAL;
-
- if (assoc) {
- rcu_read_lock();
- have_sta = sta_info_get(sdata, cbss->bssid);
- rcu_read_unlock();
- }
-
- if (!have_sta) {
- sta = sta_info_alloc(sdata, cbss->bssid, GFP_KERNEL);
- if (!sta)
- return -ENOMEM;
- }
-
- mutex_lock(&local->mtx);
- ieee80211_recalc_idle(sdata->local);
- mutex_unlock(&local->mtx);
-
- /* switch to the right channel */
sband = local->hw.wiphy->bands[cbss->channel->band];
ifmgd->flags &= ~IEEE80211_STA_DISABLE_40MHZ;
local->oper_channel = cbss->channel;
ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
- if (sta) {
+ return 0;
+}
+
+static int ieee80211_prep_connection(struct ieee80211_sub_if_data *sdata,
+ struct cfg80211_bss *cbss, bool assoc)
+{
+ struct ieee80211_local *local = sdata->local;
+ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
+ struct ieee80211_bss *bss = (void *)cbss->priv;
+ struct sta_info *new_sta = NULL;
+ bool have_sta = false;
+ int err;
+
+ if (WARN_ON(!ifmgd->auth_data && !ifmgd->assoc_data))
+ return -EINVAL;
+
+ if (assoc) {
+ rcu_read_lock();
+ have_sta = sta_info_get(sdata, cbss->bssid);
+ rcu_read_unlock();
+ }
+
+ if (!have_sta) {
+ new_sta = sta_info_alloc(sdata, cbss->bssid, GFP_KERNEL);
+ if (!new_sta)
+ return -ENOMEM;
+ }
+
+ mutex_lock(&local->mtx);
+ ieee80211_recalc_idle(sdata->local);
+ mutex_unlock(&local->mtx);
+
+ if (new_sta) {
u32 rates = 0, basic_rates = 0;
bool have_higher_than_11mbit;
int min_rate = INT_MAX, min_rate_index = -1;
+ struct ieee80211_supported_band *sband;
+
+ sband = local->hw.wiphy->bands[cbss->channel->band];
+
+ err = ieee80211_prep_channel(sdata, cbss);
+ if (err) {
+ sta_info_free(local, new_sta);
+ return err;
+ }
ieee80211_get_rates(sband, bss->supp_rates,
bss->supp_rates_len,
basic_rates = BIT(min_rate_index);
}
- sta->sta.supp_rates[cbss->channel->band] = rates;
+ new_sta->sta.supp_rates[cbss->channel->band] = rates;
sdata->vif.bss_conf.basic_rates = basic_rates;
/* cf. IEEE 802.11 9.2.12 */
BSS_CHANGED_BEACON_INT);
if (assoc)
- sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
+ sta_info_pre_move_state(new_sta, IEEE80211_STA_AUTH);
- err = sta_info_insert(sta);
- sta = NULL;
+ err = sta_info_insert(new_sta);
+ new_sta = NULL;
if (err) {
sdata_info(sdata,
"failed to insert STA entry for the AP (error %d)\n",
}
/* prepare assoc data */
-
- ifmgd->flags &= ~IEEE80211_STA_DISABLE_11N;
- ifmgd->flags &= ~IEEE80211_STA_NULLFUNC_ACKED;
+
+ /*
+ * keep only the 40 MHz disable bit set as it might have
+ * been set during authentication already, all other bits
+ * should be reset for a new connection
+ */
+ ifmgd->flags &= IEEE80211_STA_DISABLE_40MHZ;
ifmgd->beacon_crc_valid = false;
req->crypto.ciphers_pairwise[i] == WLAN_CIPHER_SUITE_TKIP ||
req->crypto.ciphers_pairwise[i] == WLAN_CIPHER_SUITE_WEP104) {
ifmgd->flags |= IEEE80211_STA_DISABLE_11N;
+ ifmgd->flags |= IEEE80211_STA_DISABLE_VHT;
netdev_info(sdata->dev,
- "disabling HT due to WEP/TKIP use\n");
+ "disabling HT/VHT due to WEP/TKIP use\n");
}
}
- if (req->flags & ASSOC_REQ_DISABLE_HT)
+ if (req->flags & ASSOC_REQ_DISABLE_HT) {
ifmgd->flags |= IEEE80211_STA_DISABLE_11N;
+ ifmgd->flags |= IEEE80211_STA_DISABLE_VHT;
+ }
/* Also disable HT if we don't support it or the AP doesn't use WMM */
sband = local->hw.wiphy->bands[req->bss->channel->band];
if (!sband->ht_cap.ht_supported ||
local->hw.queues < IEEE80211_NUM_ACS || !bss->wmm_used) {
ifmgd->flags |= IEEE80211_STA_DISABLE_11N;
- netdev_info(sdata->dev,
- "disabling HT as WMM/QoS is not supported\n");
+ if (!bss->wmm_used)
+ netdev_info(sdata->dev,
+ "disabling HT as WMM/QoS is not supported by the AP\n");
+ }
+
+ /* disable VHT if we don't support it or the AP doesn't use WMM */
+ if (!sband->vht_cap.vht_supported ||
+ local->hw.queues < IEEE80211_NUM_ACS || !bss->wmm_used) {
+ ifmgd->flags |= IEEE80211_STA_DISABLE_VHT;
+ if (!bss->wmm_used)
+ netdev_info(sdata->dev,
+ "disabling VHT as WMM/QoS is not supported by the AP\n");
}
memcpy(&ifmgd->ht_capa, &req->ht_capa, sizeof(ifmgd->ht_capa));
req->bssid, req->reason_code);
if (ifmgd->associated &&
- ether_addr_equal(ifmgd->associated->bssid, req->bssid))
+ ether_addr_equal(ifmgd->associated->bssid, req->bssid)) {
ieee80211_set_disassoc(sdata, IEEE80211_STYPE_DEAUTH,
req->reason_code, true, frame_buf);
- else
+ } else {
+ drv_mgd_prepare_tx(sdata->local, sdata);
ieee80211_send_deauth_disassoc(sdata, req->bssid,
IEEE80211_STYPE_DEAUTH,
req->reason_code, true,
frame_buf);
+ }
+
mutex_unlock(&ifmgd->mtx);
__cfg80211_send_deauth(sdata->dev, frame_buf, DEAUTH_DISASSOC_LEN);
if (!ieee80211_sdata_running(sdata))
continue;
+ if (sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE)
+ continue;
+
if (sdata->vif.type != NL80211_IFTYPE_MONITOR)
set_bit(SDATA_STATE_OFFCHANNEL, &sdata->state);
mutex_lock(&local->iflist_mtx);
list_for_each_entry(sdata, &local->interfaces, list) {
+ if (sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE)
+ continue;
+
if (sdata->vif.type != NL80211_IFTYPE_MONITOR)
clear_bit(SDATA_STATE_OFFCHANNEL, &sdata->state);
if (!ref)
return;
- sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
+ sband = local->hw.wiphy->bands[local->oper_channel->band];
ref->ops->rate_init(ref->priv, sband, ista, priv_sta);
set_sta_flag(sta, WLAN_STA_RATE_CONTROL);
struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
- if (status->flag & (RX_FLAG_FAILED_FCS_CRC | RX_FLAG_FAILED_PLCP_CRC))
+ if (status->flag & (RX_FLAG_FAILED_FCS_CRC |
+ RX_FLAG_FAILED_PLCP_CRC |
+ RX_FLAG_AMPDU_IS_ZEROLEN))
return 1;
if (unlikely(skb->len < 16 + present_fcs_len))
return 1;
if (status->flag & RX_FLAG_HT) /* HT info */
len += 3;
+ if (status->flag & RX_FLAG_AMPDU_DETAILS) {
+ /* padding */
+ while (len & 3)
+ len++;
+ len += 8;
+ }
+
return len;
}
pos++;
*pos++ = status->rate_idx;
}
+
+ if (status->flag & RX_FLAG_AMPDU_DETAILS) {
+ u16 flags = 0;
+
+ /* ensure 4 byte alignment */
+ while ((pos - (u8 *)rthdr) & 3)
+ pos++;
+ rthdr->it_present |=
+ cpu_to_le32(1 << IEEE80211_RADIOTAP_AMPDU_STATUS);
+ put_unaligned_le32(status->ampdu_reference, pos);
+ pos += 4;
+ if (status->flag & RX_FLAG_AMPDU_REPORT_ZEROLEN)
+ flags |= IEEE80211_RADIOTAP_AMPDU_REPORT_ZEROLEN;
+ if (status->flag & RX_FLAG_AMPDU_IS_ZEROLEN)
+ flags |= IEEE80211_RADIOTAP_AMPDU_IS_ZEROLEN;
+ if (status->flag & RX_FLAG_AMPDU_LAST_KNOWN)
+ flags |= IEEE80211_RADIOTAP_AMPDU_LAST_KNOWN;
+ if (status->flag & RX_FLAG_AMPDU_IS_LAST)
+ flags |= IEEE80211_RADIOTAP_AMPDU_IS_LAST;
+ if (status->flag & RX_FLAG_AMPDU_DELIM_CRC_ERROR)
+ flags |= IEEE80211_RADIOTAP_AMPDU_DELIM_CRC_ERR;
+ if (status->flag & RX_FLAG_AMPDU_DELIM_CRC_KNOWN)
+ flags |= IEEE80211_RADIOTAP_AMPDU_DELIM_CRC_KNOWN;
+ put_unaligned_le16(flags, pos);
+ pos += 2;
+ if (status->flag & RX_FLAG_AMPDU_DELIM_CRC_KNOWN)
+ *pos++ = status->ampdu_delimiter_crc;
+ else
+ *pos++ = 0;
+ *pos++ = 0;
+ }
}
/*
goto queue;
case WLAN_CATEGORY_SPECTRUM_MGMT:
- if (local->hw.conf.channel->band != IEEE80211_BAND_5GHZ)
+ if (status->band != IEEE80211_BAND_5GHZ)
break;
if (sdata->vif.type != NL80211_IFTYPE_STATION)
if (!bssid) {
if (!ether_addr_equal(sdata->vif.addr, hdr->addr1))
return 0;
- } else if (!ieee80211_bssid_match(bssid,
- sdata->vif.addr)) {
+ } else if (!ieee80211_bssid_match(bssid, sdata->vif.addr)) {
/*
* Accept public action frames even when the
* BSSID doesn't match, this is used for P2P
if (!ether_addr_equal(sdata->u.wds.remote_addr, hdr->addr2))
return 0;
break;
+ case NL80211_IFTYPE_P2P_DEVICE:
+ if (!ieee80211_is_public_action(hdr, skb->len) &&
+ !ieee80211_is_probe_req(hdr->frame_control) &&
+ !ieee80211_is_probe_resp(hdr->frame_control) &&
+ !ieee80211_is_beacon(hdr->frame_control))
+ return 0;
+ if (!ether_addr_equal(sdata->vif.addr, hdr->addr1))
+ status->rx_flags &= ~IEEE80211_RX_RA_MATCH;
+ break;
default:
/* should never get here */
- WARN_ON(1);
+ WARN_ON_ONCE(1);
break;
}
local->scan_req->ssids[i].ssid_len,
local->scan_req->ie, local->scan_req->ie_len,
local->scan_req->rates[band], false,
- local->scan_req->no_cck);
+ local->scan_req->no_cck,
+ local->hw.conf.channel);
/*
* After sending probe requests, wait for probe responses
if (local->ops->hw_scan) {
__set_bit(SCAN_HW_SCANNING, &local->scanning);
} else if ((req->n_channels == 1) &&
- (req->channels[0]->center_freq ==
- local->hw.conf.channel->center_freq)) {
-
- /* If we are scanning only on the current channel, then
- * we do not need to stop normal activities
+ (req->channels[0] == local->oper_channel)) {
+ /*
+ * If we are scanning only on the operating channel
+ * then we do not need to stop normal activities
*/
unsigned long next_delay;
u64 cookie = (unsigned long)skb;
acked = info->flags & IEEE80211_TX_STAT_ACK;
- /*
- * TODO: When we have non-netdev frame TX,
- * we cannot use skb->dev->ieee80211_ptr
- */
-
if (ieee80211_is_nullfunc(hdr->frame_control) ||
- ieee80211_is_qos_nullfunc(hdr->frame_control))
+ ieee80211_is_qos_nullfunc(hdr->frame_control)) {
cfg80211_probe_status(skb->dev, hdr->addr1,
cookie, acked, GFP_ATOMIC);
- else
+ } else if (skb->dev) {
cfg80211_mgmt_tx_status(
skb->dev->ieee80211_ptr, cookie, skb->data,
skb->len, acked, GFP_ATOMIC);
+ } else {
+ struct ieee80211_sub_if_data *p2p_sdata;
+
+ rcu_read_lock();
+
+ p2p_sdata = rcu_dereference(local->p2p_sdata);
+ if (p2p_sdata) {
+ cfg80211_mgmt_tx_status(
+ &p2p_sdata->wdev, cookie, skb->data,
+ skb->len, acked, GFP_ATOMIC);
+ }
+ rcu_read_unlock();
+ }
}
if (unlikely(info->ack_frame_id)) {
__string(vif_name, sdata->dev ? sdata->dev->name : "<nodev>")
#define VIF_ASSIGN __entry->vif_type = sdata->vif.type; __entry->sdata = sdata; \
__entry->p2p = sdata->vif.p2p; \
- __assign_str(vif_name, sdata->dev ? sdata->dev->name : "<nodev>")
+ __assign_str(vif_name, sdata->dev ? sdata->dev->name : sdata->name)
#define VIF_PR_FMT " vif:%s(%d%s)"
#define VIF_PR_ARG __get_str(vif_name), __entry->vif_type, __entry->p2p ? "/p2p" : ""
__entry->dynamic_ps_timeout = local->hw.conf.dynamic_ps_timeout;
__entry->max_sleep_period = local->hw.conf.max_sleep_period;
__entry->listen_interval = local->hw.conf.listen_interval;
- __entry->long_frame_max_tx_count = local->hw.conf.long_frame_max_tx_count;
- __entry->short_frame_max_tx_count = local->hw.conf.short_frame_max_tx_count;
- __entry->center_freq = local->hw.conf.channel->center_freq;
+ __entry->long_frame_max_tx_count =
+ local->hw.conf.long_frame_max_tx_count;
+ __entry->short_frame_max_tx_count =
+ local->hw.conf.short_frame_max_tx_count;
+ __entry->center_freq = local->hw.conf.channel ?
+ local->hw.conf.channel->center_freq : 0;
__entry->channel_type = local->hw.conf.channel_type;
__entry->smps = local->hw.conf.smps_mode;
),
if (WARN_ON_ONCE(info->control.rates[0].idx < 0))
return 0;
- sband = local->hw.wiphy->bands[tx->channel->band];
+ sband = local->hw.wiphy->bands[info->band];
txrate = &sband->bitrates[info->control.rates[0].idx];
erp = txrate->flags & IEEE80211_RATE_ERP_G;
memset(&txrc, 0, sizeof(txrc));
- sband = tx->local->hw.wiphy->bands[tx->channel->band];
+ sband = tx->local->hw.wiphy->bands[info->band];
len = min_t(u32, tx->skb->len + FCS_LEN,
tx->local->hw.wiphy->frag_threshold);
txrc.bss_conf = &tx->sdata->vif.bss_conf;
txrc.skb = tx->skb;
txrc.reported_rate.idx = -1;
- txrc.rate_idx_mask = tx->sdata->rc_rateidx_mask[tx->channel->band];
+ txrc.rate_idx_mask = tx->sdata->rc_rateidx_mask[info->band];
if (txrc.rate_idx_mask == (1 << sband->n_bitrates) - 1)
txrc.max_rate_idx = -1;
else
txrc.max_rate_idx = fls(txrc.rate_idx_mask) - 1;
memcpy(txrc.rate_idx_mcs_mask,
- tx->sdata->rc_rateidx_mcs_mask[tx->channel->band],
+ tx->sdata->rc_rateidx_mcs_mask[info->band],
sizeof(txrc.rate_idx_mcs_mask));
txrc.bss = (tx->sdata->vif.type == NL80211_IFTYPE_AP ||
tx->sdata->vif.type == NL80211_IFTYPE_MESH_POINT ||
"scanning and associated. Target station: "
"%pM on %d GHz band\n",
tx->sdata->name, hdr->addr1,
- tx->channel->band ? 5 : 2))
+ info->band ? 5 : 2))
return TX_DROP;
/*
tx->skb = skb;
tx->local = local;
tx->sdata = sdata;
- tx->channel = local->hw.conf.channel;
__skb_queue_head_init(&tx->skbs);
/*
struct sk_buff_head *skbs,
bool txpending)
{
+ struct ieee80211_tx_control control;
struct sk_buff *skb, *tmp;
unsigned long flags;
spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
info->control.vif = vif;
- info->control.sta = sta;
+ control.sta = sta;
__skb_unlink(skb, skbs);
- drv_tx(local, skb);
+ drv_tx(local, &control, skb);
}
return true;
goto out;
}
- tx.channel = local->hw.conf.channel;
- info->band = tx.channel->band;
+ info->band = local->hw.conf.channel->band;
/* set up hw_queue value early */
if (!(info->flags & IEEE80211_TX_CTL_TX_OFFCHAN) ||
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_local *local = sdata->local;
struct ieee80211_tx_info *info;
- int ret = NETDEV_TX_BUSY, head_need;
+ int head_need;
u16 ethertype, hdrlen, meshhdrlen = 0;
__le16 fc;
struct ieee80211_hdr hdr;
u32 info_flags = 0;
u16 info_id = 0;
- if (unlikely(skb->len < ETH_HLEN)) {
- ret = NETDEV_TX_OK;
+ if (unlikely(skb->len < ETH_HLEN))
goto fail;
- }
/* convert Ethernet header to proper 802.11 header (based on
* operation mode) */
if (!sdata->u.mesh.mshcfg.dot11MeshTTL) {
/* Do not send frames with mesh_ttl == 0 */
sdata->u.mesh.mshstats.dropped_frames_ttl++;
- ret = NETDEV_TX_OK;
goto fail;
}
rcu_read_lock();
if (tdls_direct) {
/* link during setup - throw out frames to peer */
- if (!tdls_auth) {
- ret = NETDEV_TX_OK;
+ if (!tdls_auth)
goto fail;
- }
/* DA SA BSSID */
memcpy(hdr.addr1, skb->data, ETH_ALEN);
hdrlen = 24;
break;
default:
- ret = NETDEV_TX_OK;
goto fail;
}
I802_DEBUG_INC(local->tx_handlers_drop_unauth_port);
- ret = NETDEV_TX_OK;
goto fail;
}
skb = skb_clone(skb, GFP_ATOMIC);
kfree_skb(tmp_skb);
- if (!skb) {
- ret = NETDEV_TX_OK;
+ if (!skb)
goto fail;
- }
}
hdr.frame_control = fc;
return NETDEV_TX_OK;
fail:
- if (ret == NETDEV_TX_OK)
- dev_kfree_skb(skb);
-
- return ret;
+ dev_kfree_skb(skb);
+ return NETDEV_TX_OK;
}
struct ieee80211_sub_if_data *sdata = NULL;
struct ieee80211_if_ap *ap = NULL;
struct beacon_data *beacon;
- struct ieee80211_supported_band *sband;
- enum ieee80211_band band = local->hw.conf.channel->band;
+ enum ieee80211_band band = local->oper_channel->band;
struct ieee80211_tx_rate_control txrc;
- sband = local->hw.wiphy->bands[band];
-
rcu_read_lock();
sdata = vif_to_sdata(vif);
memset(mgmt, 0, hdr_len);
mgmt->frame_control =
cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
- memset(mgmt->da, 0xff, ETH_ALEN);
+ eth_broadcast_addr(mgmt->da);
memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
memcpy(mgmt->bssid, sdata->vif.addr, ETH_ALEN);
mgmt->u.beacon.beacon_int =
*pos++ = WLAN_EID_SSID;
*pos++ = 0x0;
- if (ieee80211_add_srates_ie(sdata, skb, true) ||
+ if (ieee80211_add_srates_ie(sdata, skb, true, band) ||
mesh_add_ds_params_ie(skb, sdata) ||
- ieee80211_add_ext_srates_ie(sdata, skb, true) ||
+ ieee80211_add_ext_srates_ie(sdata, skb, true, band) ||
mesh_add_rsn_ie(skb, sdata) ||
mesh_add_ht_cap_ie(skb, sdata) ||
mesh_add_ht_oper_ie(skb, sdata) ||
memset(&txrc, 0, sizeof(txrc));
txrc.hw = hw;
- txrc.sband = sband;
+ txrc.sband = local->hw.wiphy->bands[band];
txrc.bss_conf = &sdata->vif.bss_conf;
txrc.skb = skb;
txrc.reported_rate.idx = -1;
txrc.rate_idx_mask = sdata->rc_rateidx_mask[band];
- if (txrc.rate_idx_mask == (1 << sband->n_bitrates) - 1)
+ if (txrc.rate_idx_mask == (1 << txrc.sband->n_bitrates) - 1)
txrc.max_rate_idx = -1;
else
txrc.max_rate_idx = fls(txrc.rate_idx_mask) - 1;
struct ieee80211_vif *vif)
{
struct ieee80211_if_ap *ap = NULL;
- struct sk_buff *presp = NULL, *skb = NULL;
+ struct sk_buff *skb = NULL;
+ struct probe_resp *presp = NULL;
struct ieee80211_hdr *hdr;
struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
if (!presp)
goto out;
- skb = skb_copy(presp, GFP_ATOMIC);
+ skb = dev_alloc_skb(presp->len);
if (!skb)
goto out;
+ memcpy(skb_put(skb, presp->len), presp->data, presp->len);
+
hdr = (struct ieee80211_hdr *) skb->data;
memset(hdr->addr1, 0, sizeof(hdr->addr1));
memset(hdr, 0, sizeof(*hdr));
hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
IEEE80211_STYPE_PROBE_REQ);
- memset(hdr->addr1, 0xff, ETH_ALEN);
+ eth_broadcast_addr(hdr->addr1);
memcpy(hdr->addr2, vif->addr, ETH_ALEN);
- memset(hdr->addr3, 0xff, ETH_ALEN);
+ eth_broadcast_addr(hdr->addr3);
pos = skb_put(skb, ie_ssid_len);
*pos++ = WLAN_EID_SSID;
info = IEEE80211_SKB_CB(skb);
tx.flags |= IEEE80211_TX_PS_BUFFERED;
- tx.channel = local->hw.conf.channel;
- info->band = tx.channel->band;
+ info->band = local->oper_channel->band;
if (invoke_tx_handlers(&tx))
skb = NULL;
list_for_each_entry_rcu(sdata, &local->interfaces, list) {
int ac;
+ if (!sdata->dev)
+ continue;
+
if (test_bit(SDATA_STATE_OFFCHANNEL, &sdata->state))
continue;
list_for_each_entry_rcu(sdata, &local->interfaces, list) {
int ac;
+ if (!sdata->dev)
+ continue;
+
for (ac = 0; ac < n_acs; ac++) {
if (sdata->vif.hw_queue[ac] == queue ||
sdata->vif.cab_queue == queue)
elem_parse_failed = true;
break;
case WLAN_EID_CHANNEL_SWITCH:
- elems->ch_switch_elem = pos;
- elems->ch_switch_elem_len = elen;
+ if (elen != sizeof(struct ieee80211_channel_sw_ie)) {
+ elem_parse_failed = true;
+ break;
+ }
+ elems->ch_switch_ie = (void *)pos;
break;
case WLAN_EID_QUIET:
if (!elems->quiet_elem) {
memset(&qparam, 0, sizeof(qparam));
- use_11b = (local->hw.conf.channel->band == IEEE80211_BAND_2GHZ) &&
+ use_11b = (local->oper_channel->band == IEEE80211_BAND_2GHZ) &&
!(sdata->flags & IEEE80211_SDATA_OPERATING_GMODE);
/*
drv_conf_tx(local, sdata, ac, &qparam);
}
- if (sdata->vif.type != NL80211_IFTYPE_MONITOR) {
+ if (sdata->vif.type != NL80211_IFTYPE_MONITOR &&
+ sdata->vif.type != NL80211_IFTYPE_P2P_DEVICE) {
sdata->vif.bss_conf.qos = enable_qos;
if (bss_notify)
ieee80211_bss_info_change_notify(sdata,
if ((supp_rates[i] & 0x7f) * 5 > 110)
have_higher_than_11mbit = 1;
- if (local->hw.conf.channel->band == IEEE80211_BAND_2GHZ &&
+ if (local->oper_channel->band == IEEE80211_BAND_2GHZ &&
have_higher_than_11mbit)
sdata->flags |= IEEE80211_SDATA_OPERATING_GMODE;
else
struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata,
u8 *dst, u32 ratemask,
+ struct ieee80211_channel *chan,
const u8 *ssid, size_t ssid_len,
const u8 *ie, size_t ie_len,
bool directed)
struct ieee80211_mgmt *mgmt;
size_t buf_len;
u8 *buf;
- u8 chan;
+ u8 chan_no;
/* FIXME: come up with a proper value */
buf = kmalloc(200 + ie_len, GFP_KERNEL);
* badly-behaved APs don't respond when this parameter is included.
*/
if (directed)
- chan = 0;
+ chan_no = 0;
else
- chan = ieee80211_frequency_to_channel(
- local->hw.conf.channel->center_freq);
+ chan_no = ieee80211_frequency_to_channel(chan->center_freq);
- buf_len = ieee80211_build_preq_ies(local, buf, ie, ie_len,
- local->hw.conf.channel->band,
- ratemask, chan);
+ buf_len = ieee80211_build_preq_ies(local, buf, ie, ie_len, chan->band,
+ ratemask, chan_no);
skb = ieee80211_probereq_get(&local->hw, &sdata->vif,
ssid, ssid_len,
void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst,
const u8 *ssid, size_t ssid_len,
const u8 *ie, size_t ie_len,
- u32 ratemask, bool directed, bool no_cck)
+ u32 ratemask, bool directed, bool no_cck,
+ struct ieee80211_channel *channel)
{
struct sk_buff *skb;
- skb = ieee80211_build_probe_req(sdata, dst, ratemask, ssid, ssid_len,
+ skb = ieee80211_build_probe_req(sdata, dst, ratemask, channel,
+ ssid, ssid_len,
ie, ie_len, directed);
if (skb) {
if (no_cck)
switch (sdata->vif.type) {
case NL80211_IFTYPE_STATION:
changed |= BSS_CHANGED_ASSOC |
- BSS_CHANGED_ARP_FILTER;
+ BSS_CHANGED_ARP_FILTER |
+ BSS_CHANGED_PS;
mutex_lock(&sdata->u.mgd.mtx);
ieee80211_bss_info_change_notify(sdata, changed);
mutex_unlock(&sdata->u.mgd.mtx);
case NL80211_IFTYPE_MONITOR:
/* ignore virtual */
break;
+ case NL80211_IFTYPE_P2P_DEVICE:
+ changed = BSS_CHANGED_IDLE;
+ break;
case NL80211_IFTYPE_UNSPECIFIED:
case NUM_NL80211_IFTYPES:
case NL80211_IFTYPE_P2P_CLIENT:
list_for_each_entry(sdata, &local->interfaces, list) {
if (!ieee80211_sdata_running(sdata))
continue;
+ if (sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE)
+ continue;
if (sdata->vif.type != NL80211_IFTYPE_STATION)
goto set;
}
int ieee80211_add_srates_ie(struct ieee80211_sub_if_data *sdata,
- struct sk_buff *skb, bool need_basic)
+ struct sk_buff *skb, bool need_basic,
+ enum ieee80211_band band)
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_supported_band *sband;
u8 i, rates, *pos;
u32 basic_rates = sdata->vif.bss_conf.basic_rates;
- sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
+ sband = local->hw.wiphy->bands[band];
rates = sband->n_bitrates;
if (rates > 8)
rates = 8;
}
int ieee80211_add_ext_srates_ie(struct ieee80211_sub_if_data *sdata,
- struct sk_buff *skb, bool need_basic)
+ struct sk_buff *skb, bool need_basic,
+ enum ieee80211_band band)
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_supported_band *sband;
u8 i, exrates, *pos;
u32 basic_rates = sdata->vif.bss_conf.basic_rates;
- sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
+ sband = local->hw.wiphy->bands[band];
exrates = sband->n_bitrates;
if (exrates > 8)
exrates -= 8;
int hook_thresh)
{
unsigned int verdict;
+ struct nf_hook_ops *elem = list_entry_rcu(*i, struct nf_hook_ops, list);
/*
* The caller must not block between calls to this
* function because of risk of continuing from deleted element.
*/
- list_for_each_continue_rcu(*i, head) {
- struct nf_hook_ops *elem = (struct nf_hook_ops *)*i;
-
+ list_for_each_entry_continue_rcu(elem, head, list) {
if (hook_thresh > elem->priority)
continue;
continue;
}
#endif
- if (verdict != NF_REPEAT)
+ if (verdict != NF_REPEAT) {
+ *i = &elem->list;
return verdict;
+ }
goto repeat;
}
}
+ *i = &elem->list;
return NF_ACCEPT;
}
config IP_VS_FTP
tristate "FTP protocol helper"
- depends on IP_VS_PROTO_TCP && NF_CONNTRACK && NF_NAT
+ depends on IP_VS_PROTO_TCP && NF_CONNTRACK && NF_NAT && \
+ NF_CONNTRACK_FTP
select IP_VS_NFCT
---help---
FTP is a protocol that transfers IP address and/or port number in
}
-/*
- * ip_vs_app registration routine
- */
-int register_ip_vs_app(struct net *net, struct ip_vs_app *app)
+/* Register application for netns */
+struct ip_vs_app *register_ip_vs_app(struct net *net, struct ip_vs_app *app)
{
struct netns_ipvs *ipvs = net_ipvs(net);
- /* increase the module use count */
- ip_vs_use_count_inc();
+ struct ip_vs_app *a;
+ int err = 0;
+
+ if (!ipvs)
+ return ERR_PTR(-ENOENT);
mutex_lock(&__ip_vs_app_mutex);
- list_add(&app->a_list, &ipvs->app_list);
+ list_for_each_entry(a, &ipvs->app_list, a_list) {
+ if (!strcmp(app->name, a->name)) {
+ err = -EEXIST;
+ goto out_unlock;
+ }
+ }
+ a = kmemdup(app, sizeof(*app), GFP_KERNEL);
+ if (!a) {
+ err = -ENOMEM;
+ goto out_unlock;
+ }
+ INIT_LIST_HEAD(&a->incs_list);
+ list_add(&a->a_list, &ipvs->app_list);
+ /* increase the module use count */
+ ip_vs_use_count_inc();
+out_unlock:
mutex_unlock(&__ip_vs_app_mutex);
- return 0;
+ return err ? ERR_PTR(err) : a;
}
*/
void unregister_ip_vs_app(struct net *net, struct ip_vs_app *app)
{
- struct ip_vs_app *inc, *nxt;
+ struct netns_ipvs *ipvs = net_ipvs(net);
+ struct ip_vs_app *a, *anxt, *inc, *nxt;
+
+ if (!ipvs)
+ return;
mutex_lock(&__ip_vs_app_mutex);
- list_for_each_entry_safe(inc, nxt, &app->incs_list, a_list) {
- ip_vs_app_inc_release(net, inc);
- }
+ list_for_each_entry_safe(a, anxt, &ipvs->app_list, a_list) {
+ if (app && strcmp(app->name, a->name))
+ continue;
+ list_for_each_entry_safe(inc, nxt, &a->incs_list, a_list) {
+ ip_vs_app_inc_release(net, inc);
+ }
- list_del(&app->a_list);
+ list_del(&a->a_list);
+ kfree(a);
- mutex_unlock(&__ip_vs_app_mutex);
+ /* decrease the module use count */
+ ip_vs_use_count_dec();
+ }
- /* decrease the module use count */
- ip_vs_use_count_dec();
+ mutex_unlock(&__ip_vs_app_mutex);
}
void __net_exit ip_vs_app_net_cleanup(struct net *net)
{
+ unregister_ip_vs_app(net, NULL /* all */);
proc_net_remove(net, "ip_vs_app");
}
struct ip_vs_conn *cp;
struct ip_vs_protocol *pp;
struct ip_vs_proto_data *pd;
- unsigned int offset, ihl, verdict;
+ unsigned int offset, offset2, ihl, verdict;
+ bool ipip;
*related = 1;
net = skb_net(skb);
+ /* Special case for errors for IPIP packets */
+ ipip = false;
+ if (cih->protocol == IPPROTO_IPIP) {
+ if (unlikely(cih->frag_off & htons(IP_OFFSET)))
+ return NF_ACCEPT;
+ /* Error for our IPIP must arrive at LOCAL_IN */
+ if (!(skb_rtable(skb)->rt_flags & RTCF_LOCAL))
+ return NF_ACCEPT;
+ offset += cih->ihl * 4;
+ cih = skb_header_pointer(skb, offset, sizeof(_ciph), &_ciph);
+ if (cih == NULL)
+ return NF_ACCEPT; /* The packet looks wrong, ignore */
+ ipip = true;
+ }
+
pd = ip_vs_proto_data_get(net, cih->protocol);
if (!pd)
return NF_ACCEPT;
IP_VS_DBG_PKT(11, AF_INET, pp, skb, offset,
"Checking incoming ICMP for");
+ offset2 = offset;
offset += cih->ihl * 4;
ip_vs_fill_iphdr(AF_INET, cih, &ciph);
- /* The embedded headers contain source and dest in reverse order */
- cp = pp->conn_in_get(AF_INET, skb, &ciph, offset, 1);
+ /* The embedded headers contain source and dest in reverse order.
+ * For IPIP this is error for request, not for reply.
+ */
+ cp = pp->conn_in_get(AF_INET, skb, &ciph, offset, ipip ? 0 : 1);
if (!cp)
return NF_ACCEPT;
goto out;
}
+ if (ipip) {
+ __be32 info = ic->un.gateway;
+
+ /* Update the MTU */
+ if (ic->type == ICMP_DEST_UNREACH &&
+ ic->code == ICMP_FRAG_NEEDED) {
+ struct ip_vs_dest *dest = cp->dest;
+ u32 mtu = ntohs(ic->un.frag.mtu);
+
+ /* Strip outer IP and ICMP, go to IPIP header */
+ __skb_pull(skb, ihl + sizeof(_icmph));
+ offset2 -= ihl + sizeof(_icmph);
+ skb_reset_network_header(skb);
+ IP_VS_DBG(12, "ICMP for IPIP %pI4->%pI4: mtu=%u\n",
+ &ip_hdr(skb)->saddr, &ip_hdr(skb)->daddr, mtu);
+ rcu_read_lock();
+ ipv4_update_pmtu(skb, dev_net(skb->dev),
+ mtu, 0, 0, 0, 0);
+ rcu_read_unlock();
+ /* Client uses PMTUD? */
+ if (!(cih->frag_off & htons(IP_DF)))
+ goto ignore_ipip;
+ /* Prefer the resulting PMTU */
+ if (dest) {
+ spin_lock(&dest->dst_lock);
+ if (dest->dst_cache)
+ mtu = dst_mtu(dest->dst_cache);
+ spin_unlock(&dest->dst_lock);
+ }
+ if (mtu > 68 + sizeof(struct iphdr))
+ mtu -= sizeof(struct iphdr);
+ info = htonl(mtu);
+ }
+ /* Strip outer IP, ICMP and IPIP, go to IP header of
+ * original request.
+ */
+ __skb_pull(skb, offset2);
+ skb_reset_network_header(skb);
+ IP_VS_DBG(12, "Sending ICMP for %pI4->%pI4: t=%u, c=%u, i=%u\n",
+ &ip_hdr(skb)->saddr, &ip_hdr(skb)->daddr,
+ ic->type, ic->code, ntohl(info));
+ icmp_send(skb, ic->type, ic->code, info);
+ /* ICMP can be shorter but anyways, account it */
+ ip_vs_out_stats(cp, skb);
+
+ignore_ipip:
+ consume_skb(skb);
+ verdict = NF_STOLEN;
+ goto out;
+ }
+
/* do the statistics and put it back */
ip_vs_in_stats(cp, skb);
if (IPPROTO_TCP == cih->protocol || IPPROTO_UDP == cih->protocol)
.mode = 0644,
.proc_handler = proc_dointvec,
},
+ {
+ .procname = "pmtu_disc",
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec,
+ },
#ifdef CONFIG_IP_VS_DEBUG
{
.procname = "debug_level",
* per netns intit/exit func.
*/
#ifdef CONFIG_SYSCTL
-int __net_init ip_vs_control_net_init_sysctl(struct net *net)
+static int __net_init ip_vs_control_net_init_sysctl(struct net *net)
{
int idx;
struct netns_ipvs *ipvs = net_ipvs(net);
ipvs->sysctl_sync_retries = clamp_t(int, DEFAULT_SYNC_RETRIES, 0, 3);
tbl[idx++].data = &ipvs->sysctl_sync_retries;
tbl[idx++].data = &ipvs->sysctl_nat_icmp_send;
+ ipvs->sysctl_pmtu_disc = 1;
+ tbl[idx++].data = &ipvs->sysctl_pmtu_disc;
ipvs->sysctl_hdr = register_net_sysctl(net, "net/ipv4/vs", tbl);
return 0;
}
-void __net_exit ip_vs_control_net_cleanup_sysctl(struct net *net)
+static void __net_exit ip_vs_control_net_cleanup_sysctl(struct net *net)
{
struct netns_ipvs *ipvs = net_ipvs(net);
#else
-int __net_init ip_vs_control_net_init_sysctl(struct net *net) { return 0; }
-void __net_exit ip_vs_control_net_cleanup_sysctl(struct net *net) { }
+static int __net_init ip_vs_control_net_init_sysctl(struct net *net) { return 0; }
+static void __net_exit ip_vs_control_net_cleanup_sysctl(struct net *net) { }
#endif
if (!ipvs)
return -ENOENT;
- app = kmemdup(&ip_vs_ftp, sizeof(struct ip_vs_app), GFP_KERNEL);
- if (!app)
- return -ENOMEM;
- INIT_LIST_HEAD(&app->a_list);
- INIT_LIST_HEAD(&app->incs_list);
- ipvs->ftp_app = app;
- ret = register_ip_vs_app(net, app);
- if (ret)
- goto err_exit;
+ app = register_ip_vs_app(net, &ip_vs_ftp);
+ if (IS_ERR(app))
+ return PTR_ERR(app);
for (i = 0; i < ports_count; i++) {
if (!ports[i])
return 0;
err_unreg:
- unregister_ip_vs_app(net, app);
-err_exit:
- kfree(ipvs->ftp_app);
+ unregister_ip_vs_app(net, &ip_vs_ftp);
return ret;
}
/*
*/
static void __ip_vs_ftp_exit(struct net *net)
{
- struct netns_ipvs *ipvs = net_ipvs(net);
-
- unregister_ip_vs_app(net, ipvs->ftp_app);
- kfree(ipvs->ftp_app);
+ unregister_ip_vs_app(net, &ip_vs_ftp);
}
static struct pernet_operations ip_vs_ftp_ops = {
IP_VS_RT_MODE_RDR = 4, /* Allow redirect from remote daddr to
* local
*/
+ IP_VS_RT_MODE_CONNECT = 8, /* Always bind route to saddr */
};
/*
return dst;
}
+/* Get route to daddr, update *saddr, optionally bind route to saddr */
+static struct rtable *do_output_route4(struct net *net, __be32 daddr,
+ u32 rtos, int rt_mode, __be32 *saddr)
+{
+ struct flowi4 fl4;
+ struct rtable *rt;
+ int loop = 0;
+
+ memset(&fl4, 0, sizeof(fl4));
+ fl4.daddr = daddr;
+ fl4.saddr = (rt_mode & IP_VS_RT_MODE_CONNECT) ? *saddr : 0;
+ fl4.flowi4_tos = rtos;
+
+retry:
+ rt = ip_route_output_key(net, &fl4);
+ if (IS_ERR(rt)) {
+ /* Invalid saddr ? */
+ if (PTR_ERR(rt) == -EINVAL && *saddr &&
+ rt_mode & IP_VS_RT_MODE_CONNECT && !loop) {
+ *saddr = 0;
+ flowi4_update_output(&fl4, 0, rtos, daddr, 0);
+ goto retry;
+ }
+ IP_VS_DBG_RL("ip_route_output error, dest: %pI4\n", &daddr);
+ return NULL;
+ } else if (!*saddr && rt_mode & IP_VS_RT_MODE_CONNECT && fl4.saddr) {
+ ip_rt_put(rt);
+ *saddr = fl4.saddr;
+ flowi4_update_output(&fl4, 0, rtos, daddr, fl4.saddr);
+ loop++;
+ goto retry;
+ }
+ *saddr = fl4.saddr;
+ return rt;
+}
+
/* Get route to destination or remote server */
static struct rtable *
__ip_vs_get_out_rt(struct sk_buff *skb, struct ip_vs_dest *dest,
spin_lock(&dest->dst_lock);
if (!(rt = (struct rtable *)
__ip_vs_dst_check(dest, rtos))) {
- struct flowi4 fl4;
-
- memset(&fl4, 0, sizeof(fl4));
- fl4.daddr = dest->addr.ip;
- fl4.flowi4_tos = rtos;
- rt = ip_route_output_key(net, &fl4);
- if (IS_ERR(rt)) {
+ rt = do_output_route4(net, dest->addr.ip, rtos,
+ rt_mode, &dest->dst_saddr.ip);
+ if (!rt) {
spin_unlock(&dest->dst_lock);
- IP_VS_DBG_RL("ip_route_output error, dest: %pI4\n",
- &dest->addr.ip);
return NULL;
}
__ip_vs_dst_set(dest, rtos, dst_clone(&rt->dst), 0);
- dest->dst_saddr.ip = fl4.saddr;
IP_VS_DBG(10, "new dst %pI4, src %pI4, refcnt=%d, "
"rtos=%X\n",
&dest->addr.ip, &dest->dst_saddr.ip,
*ret_saddr = dest->dst_saddr.ip;
spin_unlock(&dest->dst_lock);
} else {
- struct flowi4 fl4;
+ __be32 saddr = htonl(INADDR_ANY);
- memset(&fl4, 0, sizeof(fl4));
- fl4.daddr = daddr;
- fl4.flowi4_tos = rtos;
- rt = ip_route_output_key(net, &fl4);
- if (IS_ERR(rt)) {
- IP_VS_DBG_RL("ip_route_output error, dest: %pI4\n",
- &daddr);
+ /* For such unconfigured boxes avoid many route lookups
+ * for performance reasons because we do not remember saddr
+ */
+ rt_mode &= ~IP_VS_RT_MODE_CONNECT;
+ rt = do_output_route4(net, daddr, rtos, rt_mode, &saddr);
+ if (!rt)
return NULL;
- }
if (ret_saddr)
- *ret_saddr = fl4.saddr;
+ *ret_saddr = saddr;
}
local = rt->rt_flags & RTCF_LOCAL;
old_dst = dest->dst_cache;
dest->dst_cache = NULL;
dst_release(old_dst);
+ dest->dst_saddr.ip = 0;
}
#define IP_VS_XMIT_TUNNEL(skb, cp) \
ip_vs_tunnel_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
struct ip_vs_protocol *pp)
{
+ struct netns_ipvs *ipvs = net_ipvs(skb_net(skb));
struct rtable *rt; /* Route to the other host */
__be32 saddr; /* Source for tunnel */
struct net_device *tdev; /* Device to other host */
struct iphdr *old_iph = ip_hdr(skb);
u8 tos = old_iph->tos;
- __be16 df = old_iph->frag_off;
+ __be16 df;
struct iphdr *iph; /* Our new IP header */
unsigned int max_headroom; /* The extra header space needed */
int mtu;
if (!(rt = __ip_vs_get_out_rt(skb, cp->dest, cp->daddr.ip,
RT_TOS(tos), IP_VS_RT_MODE_LOCAL |
- IP_VS_RT_MODE_NON_LOCAL,
+ IP_VS_RT_MODE_NON_LOCAL |
+ IP_VS_RT_MODE_CONNECT,
&saddr)))
goto tx_error_icmp;
if (rt->rt_flags & RTCF_LOCAL) {
IP_VS_DBG_RL("%s(): mtu less than 68\n", __func__);
goto tx_error_put;
}
- if (skb_dst(skb))
+ if (rt_is_output_route(skb_rtable(skb)))
skb_dst(skb)->ops->update_pmtu(skb_dst(skb), NULL, skb, mtu);
- df |= (old_iph->frag_off & htons(IP_DF));
+ /* Copy DF, reset fragment offset and MF */
+ df = sysctl_pmtu_disc(ipvs) ? old_iph->frag_off & htons(IP_DF) : 0;
- if ((old_iph->frag_off & htons(IP_DF) &&
- mtu < ntohs(old_iph->tot_len) && !skb_is_gso(skb))) {
+ if (df && mtu < ntohs(old_iph->tot_len) && !skb_is_gso(skb)) {
icmp_send(skb, ICMP_DEST_UNREACH,ICMP_FRAG_NEEDED, htonl(mtu));
IP_VS_DBG_RL("%s(): frag needed\n", __func__);
goto tx_error_put;
#include <linux/notifier.h>
#include <linux/kernel.h>
#include <linux/netdevice.h>
-#include <linux/rtnetlink.h>
#include <net/netfilter/nf_conntrack.h>
#include <net/netfilter/nf_conntrack_l3proto.h>
nf_ct_l3proto_unregister_sysctl(net, proto);
/* Remove all contrack entries for this protocol */
- rtnl_lock();
nf_ct_iterate_cleanup(net, kill_l3proto, proto);
- rtnl_unlock();
}
EXPORT_SYMBOL_GPL(nf_conntrack_l3proto_unregister);
nf_ct_l4proto_unregister_sysctl(net, pn, l4proto);
/* Remove all contrack entries for this protocol */
- rtnl_lock();
nf_ct_iterate_cleanup(net, kill_l4proto, l4proto);
- rtnl_unlock();
}
EXPORT_SYMBOL_GPL(nf_conntrack_l4proto_unregister);
if (tb[NFACCT_BYTES]) {
atomic64_set(&nfacct->bytes,
- be64_to_cpu(nla_get_u64(tb[NFACCT_BYTES])));
+ be64_to_cpu(nla_get_be64(tb[NFACCT_BYTES])));
}
if (tb[NFACCT_PKTS]) {
atomic64_set(&nfacct->pkts,
- be64_to_cpu(nla_get_u64(tb[NFACCT_PKTS])));
+ be64_to_cpu(nla_get_be64(tb[NFACCT_PKTS])));
}
atomic_set(&nfacct->refcnt, 1);
list_add_tail_rcu(&nfacct->head, &nfnl_acct_list);
if (!tb[NFCTH_TUPLE_L3PROTONUM] || !tb[NFCTH_TUPLE_L4PROTONUM])
return -EINVAL;
- tuple->src.l3num = ntohs(nla_get_u16(tb[NFCTH_TUPLE_L3PROTONUM]));
+ tuple->src.l3num = ntohs(nla_get_be16(tb[NFCTH_TUPLE_L3PROTONUM]));
tuple->dst.protonum = nla_get_u8(tb[NFCTH_TUPLE_L4PROTONUM]);
return 0;
unsigned int qlen; /* number of nlmsgs in skb */
struct sk_buff *skb; /* pre-allocatd skb */
struct timer_list timer;
+ struct user_namespace *peer_user_ns; /* User namespace of the peer process */
int peer_pid; /* PID of the peer process */
/* configurable parameters */
static void nfulnl_timer(unsigned long data);
static struct nfulnl_instance *
-instance_create(u_int16_t group_num, int pid)
+instance_create(u_int16_t group_num, int pid, struct user_namespace *user_ns)
{
struct nfulnl_instance *inst;
int err;
setup_timer(&inst->timer, nfulnl_timer, (unsigned long)inst);
+ inst->peer_user_ns = user_ns;
inst->peer_pid = pid;
inst->group_num = group_num;
read_lock_bh(&skb->sk->sk_callback_lock);
if (skb->sk->sk_socket && skb->sk->sk_socket->file) {
struct file *file = skb->sk->sk_socket->file;
- __be32 uid = htonl(file->f_cred->fsuid);
- __be32 gid = htonl(file->f_cred->fsgid);
+ __be32 uid = htonl(from_kuid_munged(inst->peer_user_ns,
+ file->f_cred->fsuid));
+ __be32 gid = htonl(from_kgid_munged(inst->peer_user_ns,
+ file->f_cred->fsgid));
+ /* need to unlock here since NLA_PUT may goto */
read_unlock_bh(&skb->sk->sk_callback_lock);
if (nla_put_be32(inst->skb, NFULA_UID, uid) ||
nla_put_be32(inst->skb, NFULA_GID, gid))
}
inst = instance_create(group_num,
- NETLINK_CB(skb).pid);
+ NETLINK_CB(skb).pid,
+ sk_user_ns(NETLINK_CB(skb).ssk));
if (IS_ERR(inst)) {
ret = PTR_ERR(inst);
goto out;
/* Max length: 15 "UID=4294967295 " */
if ((logflags & XT_LOG_UID) && !iphoff && skb->sk) {
read_lock_bh(&skb->sk->sk_callback_lock);
- if (skb->sk->sk_socket && skb->sk->sk_socket->file)
+ if (skb->sk->sk_socket && skb->sk->sk_socket->file) {
+ const struct cred *cred = skb->sk->sk_socket->file->f_cred;
sb_add(m, "UID=%u GID=%u ",
- skb->sk->sk_socket->file->f_cred->fsuid,
- skb->sk->sk_socket->file->f_cred->fsgid);
+ from_kuid_munged(&init_user_ns, cred->fsuid),
+ from_kgid_munged(&init_user_ns, cred->fsgid));
+ }
read_unlock_bh(&skb->sk->sk_callback_lock);
}
/* Max length: 15 "UID=4294967295 " */
if ((logflags & XT_LOG_UID) && recurse && skb->sk) {
read_lock_bh(&skb->sk->sk_callback_lock);
- if (skb->sk->sk_socket && skb->sk->sk_socket->file)
+ if (skb->sk->sk_socket && skb->sk->sk_socket->file) {
+ const struct cred *cred = skb->sk->sk_socket->file->f_cred;
sb_add(m, "UID=%u GID=%u ",
- skb->sk->sk_socket->file->f_cred->fsuid,
- skb->sk->sk_socket->file->f_cred->fsgid);
+ from_kuid_munged(&init_user_ns, cred->fsuid),
+ from_kgid_munged(&init_user_ns, cred->fsgid));
+ }
read_unlock_bh(&skb->sk->sk_callback_lock);
}
const struct iphdr *iph = ip_hdr(skb);
/* packets in either direction go into same queue */
- if (iph->saddr < iph->daddr)
+ if ((__force u32)iph->saddr < (__force u32)iph->daddr)
return jhash_3words((__force u32)iph->saddr,
(__force u32)iph->daddr, iph->protocol, jhash_initval);
const struct ipv6hdr *ip6h = ipv6_hdr(skb);
u32 a, b, c;
- if (ip6h->saddr.s6_addr32[3] < ip6h->daddr.s6_addr32[3]) {
+ if ((__force u32)ip6h->saddr.s6_addr32[3] <
+ (__force u32)ip6h->daddr.s6_addr32[3]) {
a = (__force u32) ip6h->saddr.s6_addr32[3];
b = (__force u32) ip6h->daddr.s6_addr32[3];
} else {
a = (__force u32) ip6h->daddr.s6_addr32[3];
}
- if (ip6h->saddr.s6_addr32[1] < ip6h->daddr.s6_addr32[1])
+ if ((__force u32)ip6h->saddr.s6_addr32[1] <
+ (__force u32)ip6h->daddr.s6_addr32[1])
c = (__force u32) ip6h->saddr.s6_addr32[1];
else
c = (__force u32) ip6h->daddr.s6_addr32[1];
mss <<= 8;
mss |= optp[2];
- mss = ntohs(mss);
+ mss = ntohs((__force __be16)mss);
break;
case OSFOPT_TS:
loop_cont = 1;
#include <linux/netfilter/x_tables.h>
#include <linux/netfilter/xt_owner.h>
+static int owner_check(const struct xt_mtchk_param *par)
+{
+ struct xt_owner_match_info *info = par->matchinfo;
+
+ /* For now only allow adding matches from the initial user namespace */
+ if ((info->match & (XT_OWNER_UID|XT_OWNER_GID)) &&
+ (current_user_ns() != &init_user_ns))
+ return -EINVAL;
+ return 0;
+}
+
static bool
owner_mt(const struct sk_buff *skb, struct xt_action_param *par)
{
return ((info->match ^ info->invert) &
(XT_OWNER_UID | XT_OWNER_GID)) == 0;
- if (info->match & XT_OWNER_UID)
- if ((filp->f_cred->fsuid >= info->uid_min &&
- filp->f_cred->fsuid <= info->uid_max) ^
+ if (info->match & XT_OWNER_UID) {
+ kuid_t uid_min = make_kuid(&init_user_ns, info->uid_min);
+ kuid_t uid_max = make_kuid(&init_user_ns, info->uid_max);
+ if ((uid_gte(filp->f_cred->fsuid, uid_min) &&
+ uid_lte(filp->f_cred->fsuid, uid_max)) ^
!(info->invert & XT_OWNER_UID))
return false;
+ }
- if (info->match & XT_OWNER_GID)
- if ((filp->f_cred->fsgid >= info->gid_min &&
- filp->f_cred->fsgid <= info->gid_max) ^
+ if (info->match & XT_OWNER_GID) {
+ kgid_t gid_min = make_kgid(&init_user_ns, info->gid_min);
+ kgid_t gid_max = make_kgid(&init_user_ns, info->gid_max);
+ if ((gid_gte(filp->f_cred->fsgid, gid_min) &&
+ gid_lte(filp->f_cred->fsgid, gid_max)) ^
!(info->invert & XT_OWNER_GID))
return false;
+ }
return true;
}
.name = "owner",
.revision = 1,
.family = NFPROTO_UNSPEC,
+ .checkentry = owner_check,
.match = owner_mt,
.matchsize = sizeof(struct xt_owner_match_info),
.hooks = (1 << NF_INET_LOCAL_OUT) |
struct recent_table *t;
#ifdef CONFIG_PROC_FS
struct proc_dir_entry *pde;
+ kuid_t uid;
+ kgid_t gid;
#endif
unsigned int i;
int ret = -EINVAL;
for (i = 0; i < ip_list_hash_size; i++)
INIT_LIST_HEAD(&t->iphash[i]);
#ifdef CONFIG_PROC_FS
+ uid = make_kuid(&init_user_ns, ip_list_uid);
+ gid = make_kgid(&init_user_ns, ip_list_gid);
+ if (!uid_valid(uid) || !gid_valid(gid)) {
+ kfree(t);
+ ret = -EINVAL;
+ goto out;
+ }
pde = proc_create_data(t->name, ip_list_perms, recent_net->xt_recent,
&recent_mt_fops, t);
if (pde == NULL) {
ret = -ENOMEM;
goto out;
}
- pde->uid = ip_list_uid;
- pde->gid = ip_list_gid;
+ pde->uid = uid;
+ pde->gid = gid;
#endif
spin_lock_bh(&recent_lock);
list_add_tail(&t->list, &recent_net->tables);
wake_up_interruptible(&nlk->wait);
}
-static int netlink_unicast_kernel(struct sock *sk, struct sk_buff *skb)
+static int netlink_unicast_kernel(struct sock *sk, struct sk_buff *skb,
+ struct sock *ssk)
{
int ret;
struct netlink_sock *nlk = nlk_sk(sk);
if (nlk->netlink_rcv != NULL) {
ret = skb->len;
skb_set_owner_r(skb, sk);
+ NETLINK_CB(skb).ssk = ssk;
nlk->netlink_rcv(skb);
consume_skb(skb);
} else {
return PTR_ERR(sk);
}
if (netlink_is_kernel(sk))
- return netlink_unicast_kernel(sk, skb);
+ return netlink_unicast_kernel(sk, skb, ssk);
if (sk_filter(sk, skb)) {
err = skb->len;
be called af_packet.
If unsure, say Y.
+
+config PACKET_DIAG
+ tristate "Packet: sockets monitoring interface"
+ depends on PACKET
+ default n
+ ---help---
+ Support for PF_PACKET sockets monitoring interface used by the ss tool.
+ If unsure, say Y.
#
obj-$(CONFIG_PACKET) += af_packet.o
+obj-$(CONFIG_PACKET_DIAG) += af_packet_diag.o
+af_packet_diag-y += diag.o
#include <net/inet_common.h>
#endif
+#include "internal.h"
+
/*
Assumptions:
- if device has no dev->hard_header routine, it adds and removes ll header
/* Private packet socket structures. */
-struct packet_mclist {
- struct packet_mclist *next;
- int ifindex;
- int count;
- unsigned short type;
- unsigned short alen;
- unsigned char addr[MAX_ADDR_LEN];
-};
/* identical to struct packet_mreq except it has
* a longer address field.
*/
#define BLK_PLUS_PRIV(sz_of_priv) \
(BLK_HDR_LEN + ALIGN((sz_of_priv), V3_ALIGNMENT))
-/* kbdq - kernel block descriptor queue */
-struct tpacket_kbdq_core {
- struct pgv *pkbdq;
- unsigned int feature_req_word;
- unsigned int hdrlen;
- unsigned char reset_pending_on_curr_blk;
- unsigned char delete_blk_timer;
- unsigned short kactive_blk_num;
- unsigned short blk_sizeof_priv;
-
- /* last_kactive_blk_num:
- * trick to see if user-space has caught up
- * in order to avoid refreshing timer when every single pkt arrives.
- */
- unsigned short last_kactive_blk_num;
-
- char *pkblk_start;
- char *pkblk_end;
- int kblk_size;
- unsigned int knum_blocks;
- uint64_t knxt_seq_num;
- char *prev;
- char *nxt_offset;
- struct sk_buff *skb;
-
- atomic_t blk_fill_in_prog;
-
- /* Default is set to 8ms */
-#define DEFAULT_PRB_RETIRE_TOV (8)
-
- unsigned short retire_blk_tov;
- unsigned short version;
- unsigned long tov_in_jiffies;
-
- /* timer to retire an outstanding block */
- struct timer_list retire_blk_timer;
-};
-
#define PGV_FROM_VMALLOC 1
-struct pgv {
- char *buffer;
-};
-
-struct packet_ring_buffer {
- struct pgv *pg_vec;
- unsigned int head;
- unsigned int frames_per_block;
- unsigned int frame_size;
- unsigned int frame_max;
-
- unsigned int pg_vec_order;
- unsigned int pg_vec_pages;
- unsigned int pg_vec_len;
-
- struct tpacket_kbdq_core prb_bdqc;
- atomic_t pending;
-};
#define BLOCK_STATUS(x) ((x)->hdr.bh1.block_status)
#define BLOCK_NUM_PKTS(x) ((x)->hdr.bh1.num_pkts)
struct tpacket3_hdr *);
static void packet_flush_mclist(struct sock *sk);
-struct packet_fanout;
-struct packet_sock {
- /* struct sock has to be the first member of packet_sock */
- struct sock sk;
- struct packet_fanout *fanout;
- struct tpacket_stats stats;
- union tpacket_stats_u stats_u;
- struct packet_ring_buffer rx_ring;
- struct packet_ring_buffer tx_ring;
- int copy_thresh;
- spinlock_t bind_lock;
- struct mutex pg_vec_lock;
- unsigned int running:1, /* prot_hook is attached*/
- auxdata:1,
- origdev:1,
- has_vnet_hdr:1;
- int ifindex; /* bound device */
- __be16 num;
- struct packet_mclist *mclist;
- atomic_t mapped;
- enum tpacket_versions tp_version;
- unsigned int tp_hdrlen;
- unsigned int tp_reserve;
- unsigned int tp_loss:1;
- unsigned int tp_tstamp;
- struct packet_type prot_hook ____cacheline_aligned_in_smp;
-};
-
-#define PACKET_FANOUT_MAX 256
-
-struct packet_fanout {
-#ifdef CONFIG_NET_NS
- struct net *net;
-#endif
- unsigned int num_members;
- u16 id;
- u8 type;
- u8 defrag;
- atomic_t rr_cur;
- struct list_head list;
- struct sock *arr[PACKET_FANOUT_MAX];
- spinlock_t lock;
- atomic_t sk_ref;
- struct packet_type prot_hook ____cacheline_aligned_in_smp;
-};
-
struct packet_skb_cb {
unsigned int origlen;
union {
(((x)->kactive_blk_num < ((x)->knum_blocks-1)) ? \
((x)->kactive_blk_num+1) : 0)
-static struct packet_sock *pkt_sk(struct sock *sk)
-{
- return (struct packet_sock *)sk;
-}
-
static void __fanout_unlink(struct sock *sk, struct packet_sock *po);
static void __fanout_link(struct sock *sk, struct packet_sock *po);
ppd->hv1.tp_vlan_tci = vlan_tx_tag_get(pkc->skb);
ppd->tp_status = TP_STATUS_VLAN_VALID;
} else {
- ppd->hv1.tp_vlan_tci = ppd->tp_status = 0;
+ ppd->hv1.tp_vlan_tci = 0;
+ ppd->tp_status = TP_STATUS_AVAILABLE;
}
}
return po->prot_hook.func(skb, dev, &po->prot_hook, orig_dev);
}
-static DEFINE_MUTEX(fanout_mutex);
+DEFINE_MUTEX(fanout_mutex);
+EXPORT_SYMBOL_GPL(fanout_mutex);
static LIST_HEAD(fanout_list);
static void __fanout_link(struct sock *sk, struct packet_sock *po)
if (!f)
return;
+ mutex_lock(&fanout_mutex);
po->fanout = NULL;
- mutex_lock(&fanout_mutex);
if (atomic_dec_and_test(&f->sk_ref)) {
list_del(&f->list);
dev_remove_pack(&f->prot_hook);
int tp_len, size_max;
unsigned char *addr;
int len_sum = 0;
- int status = 0;
+ int status = TP_STATUS_AVAILABLE;
int hlen, tlen;
mutex_lock(&po->pg_vec_lock);
net = sock_net(sk);
po = pkt_sk(sk);
- spin_lock_bh(&net->packet.sklist_lock);
+ mutex_lock(&net->packet.sklist_lock);
sk_del_node_init_rcu(sk);
+ mutex_unlock(&net->packet.sklist_lock);
+
+ preempt_disable();
sock_prot_inuse_add(net, sk->sk_prot, -1);
- spin_unlock_bh(&net->packet.sklist_lock);
+ preempt_enable();
spin_lock(&po->bind_lock);
unregister_prot_hook(sk, false);
register_prot_hook(sk);
}
- spin_lock_bh(&net->packet.sklist_lock);
+ mutex_lock(&net->packet.sklist_lock);
sk_add_node_rcu(sk, &net->packet.sklist);
+ mutex_unlock(&net->packet.sklist_lock);
+
+ preempt_disable();
sock_prot_inuse_add(net, &packet_proto, 1);
- spin_unlock_bh(&net->packet.sklist_lock);
+ preempt_enable();
return 0;
out:
po->ifindex,
po->running,
atomic_read(&s->sk_rmem_alloc),
- sock_i_uid(s),
+ from_kuid_munged(seq_user_ns(seq), sock_i_uid(s)),
sock_i_ino(s));
}
static int __net_init packet_net_init(struct net *net)
{
- spin_lock_init(&net->packet.sklist_lock);
+ mutex_init(&net->packet.sklist_lock);
INIT_HLIST_HEAD(&net->packet.sklist);
if (!proc_net_fops_create(net, "packet", 0, &packet_seq_fops))
--- /dev/null
+#include <linux/module.h>
+#include <linux/sock_diag.h>
+#include <linux/net.h>
+#include <linux/netdevice.h>
+#include <linux/packet_diag.h>
+#include <net/net_namespace.h>
+#include <net/sock.h>
+
+#include "internal.h"
+
+static int pdiag_put_info(const struct packet_sock *po, struct sk_buff *nlskb)
+{
+ struct packet_diag_info pinfo;
+
+ pinfo.pdi_index = po->ifindex;
+ pinfo.pdi_version = po->tp_version;
+ pinfo.pdi_reserve = po->tp_reserve;
+ pinfo.pdi_copy_thresh = po->copy_thresh;
+ pinfo.pdi_tstamp = po->tp_tstamp;
+
+ pinfo.pdi_flags = 0;
+ if (po->running)
+ pinfo.pdi_flags |= PDI_RUNNING;
+ if (po->auxdata)
+ pinfo.pdi_flags |= PDI_AUXDATA;
+ if (po->origdev)
+ pinfo.pdi_flags |= PDI_ORIGDEV;
+ if (po->has_vnet_hdr)
+ pinfo.pdi_flags |= PDI_VNETHDR;
+ if (po->tp_loss)
+ pinfo.pdi_flags |= PDI_LOSS;
+
+ return nla_put(nlskb, PACKET_DIAG_INFO, sizeof(pinfo), &pinfo);
+}
+
+static int pdiag_put_mclist(const struct packet_sock *po, struct sk_buff *nlskb)
+{
+ struct nlattr *mca;
+ struct packet_mclist *ml;
+
+ mca = nla_nest_start(nlskb, PACKET_DIAG_MCLIST);
+ if (!mca)
+ return -EMSGSIZE;
+
+ rtnl_lock();
+ for (ml = po->mclist; ml; ml = ml->next) {
+ struct packet_diag_mclist *dml;
+
+ dml = nla_reserve_nohdr(nlskb, sizeof(*dml));
+ if (!dml) {
+ rtnl_unlock();
+ nla_nest_cancel(nlskb, mca);
+ return -EMSGSIZE;
+ }
+
+ dml->pdmc_index = ml->ifindex;
+ dml->pdmc_type = ml->type;
+ dml->pdmc_alen = ml->alen;
+ dml->pdmc_count = ml->count;
+ BUILD_BUG_ON(sizeof(dml->pdmc_addr) != sizeof(ml->addr));
+ memcpy(dml->pdmc_addr, ml->addr, sizeof(ml->addr));
+ }
+
+ rtnl_unlock();
+ nla_nest_end(nlskb, mca);
+
+ return 0;
+}
+
+static int pdiag_put_ring(struct packet_ring_buffer *ring, int ver, int nl_type,
+ struct sk_buff *nlskb)
+{
+ struct packet_diag_ring pdr;
+
+ if (!ring->pg_vec || ((ver > TPACKET_V2) &&
+ (nl_type == PACKET_DIAG_TX_RING)))
+ return 0;
+
+ pdr.pdr_block_size = ring->pg_vec_pages << PAGE_SHIFT;
+ pdr.pdr_block_nr = ring->pg_vec_len;
+ pdr.pdr_frame_size = ring->frame_size;
+ pdr.pdr_frame_nr = ring->frame_max + 1;
+
+ if (ver > TPACKET_V2) {
+ pdr.pdr_retire_tmo = ring->prb_bdqc.retire_blk_tov;
+ pdr.pdr_sizeof_priv = ring->prb_bdqc.blk_sizeof_priv;
+ pdr.pdr_features = ring->prb_bdqc.feature_req_word;
+ } else {
+ pdr.pdr_retire_tmo = 0;
+ pdr.pdr_sizeof_priv = 0;
+ pdr.pdr_features = 0;
+ }
+
+ return nla_put(nlskb, nl_type, sizeof(pdr), &pdr);
+}
+
+static int pdiag_put_rings_cfg(struct packet_sock *po, struct sk_buff *skb)
+{
+ int ret;
+
+ mutex_lock(&po->pg_vec_lock);
+ ret = pdiag_put_ring(&po->rx_ring, po->tp_version,
+ PACKET_DIAG_RX_RING, skb);
+ if (!ret)
+ ret = pdiag_put_ring(&po->tx_ring, po->tp_version,
+ PACKET_DIAG_TX_RING, skb);
+ mutex_unlock(&po->pg_vec_lock);
+
+ return ret;
+}
+
+static int pdiag_put_fanout(struct packet_sock *po, struct sk_buff *nlskb)
+{
+ int ret = 0;
+
+ mutex_lock(&fanout_mutex);
+ if (po->fanout) {
+ u32 val;
+
+ val = (u32)po->fanout->id | ((u32)po->fanout->type << 16);
+ ret = nla_put_u32(nlskb, PACKET_DIAG_FANOUT, val);
+ }
+ mutex_unlock(&fanout_mutex);
+
+ return ret;
+}
+
+static int sk_diag_fill(struct sock *sk, struct sk_buff *skb, struct packet_diag_req *req,
+ u32 pid, u32 seq, u32 flags, int sk_ino)
+{
+ struct nlmsghdr *nlh;
+ struct packet_diag_msg *rp;
+ struct packet_sock *po = pkt_sk(sk);
+
+ nlh = nlmsg_put(skb, pid, seq, SOCK_DIAG_BY_FAMILY, sizeof(*rp), flags);
+ if (!nlh)
+ return -EMSGSIZE;
+
+ rp = nlmsg_data(nlh);
+ rp->pdiag_family = AF_PACKET;
+ rp->pdiag_type = sk->sk_type;
+ rp->pdiag_num = ntohs(po->num);
+ rp->pdiag_ino = sk_ino;
+ sock_diag_save_cookie(sk, rp->pdiag_cookie);
+
+ if ((req->pdiag_show & PACKET_SHOW_INFO) &&
+ pdiag_put_info(po, skb))
+ goto out_nlmsg_trim;
+
+ if ((req->pdiag_show & PACKET_SHOW_MCLIST) &&
+ pdiag_put_mclist(po, skb))
+ goto out_nlmsg_trim;
+
+ if ((req->pdiag_show & PACKET_SHOW_RING_CFG) &&
+ pdiag_put_rings_cfg(po, skb))
+ goto out_nlmsg_trim;
+
+ if ((req->pdiag_show & PACKET_SHOW_FANOUT) &&
+ pdiag_put_fanout(po, skb))
+ goto out_nlmsg_trim;
+
+ return nlmsg_end(skb, nlh);
+
+out_nlmsg_trim:
+ nlmsg_cancel(skb, nlh);
+ return -EMSGSIZE;
+}
+
+static int packet_diag_dump(struct sk_buff *skb, struct netlink_callback *cb)
+{
+ int num = 0, s_num = cb->args[0];
+ struct packet_diag_req *req;
+ struct net *net;
+ struct sock *sk;
+ struct hlist_node *node;
+
+ net = sock_net(skb->sk);
+ req = nlmsg_data(cb->nlh);
+
+ mutex_lock(&net->packet.sklist_lock);
+ sk_for_each(sk, node, &net->packet.sklist) {
+ if (!net_eq(sock_net(sk), net))
+ continue;
+ if (num < s_num)
+ goto next;
+
+ if (sk_diag_fill(sk, skb, req, NETLINK_CB(cb->skb).pid,
+ cb->nlh->nlmsg_seq, NLM_F_MULTI,
+ sock_i_ino(sk)) < 0)
+ goto done;
+next:
+ num++;
+ }
+done:
+ mutex_unlock(&net->packet.sklist_lock);
+ cb->args[0] = num;
+
+ return skb->len;
+}
+
+static int packet_diag_handler_dump(struct sk_buff *skb, struct nlmsghdr *h)
+{
+ int hdrlen = sizeof(struct packet_diag_req);
+ struct net *net = sock_net(skb->sk);
+ struct packet_diag_req *req;
+
+ if (nlmsg_len(h) < hdrlen)
+ return -EINVAL;
+
+ req = nlmsg_data(h);
+ /* Make it possible to support protocol filtering later */
+ if (req->sdiag_protocol)
+ return -EINVAL;
+
+ if (h->nlmsg_flags & NLM_F_DUMP) {
+ struct netlink_dump_control c = {
+ .dump = packet_diag_dump,
+ };
+ return netlink_dump_start(net->diag_nlsk, skb, h, &c);
+ } else
+ return -EOPNOTSUPP;
+}
+
+static const struct sock_diag_handler packet_diag_handler = {
+ .family = AF_PACKET,
+ .dump = packet_diag_handler_dump,
+};
+
+static int __init packet_diag_init(void)
+{
+ return sock_diag_register(&packet_diag_handler);
+}
+
+static void __exit packet_diag_exit(void)
+{
+ sock_diag_unregister(&packet_diag_handler);
+}
+
+module_init(packet_diag_init);
+module_exit(packet_diag_exit);
+MODULE_LICENSE("GPL");
+MODULE_ALIAS_NET_PF_PROTO_TYPE(PF_NETLINK, NETLINK_SOCK_DIAG, 17 /* AF_PACKET */);
--- /dev/null
+#ifndef __PACKET_INTERNAL_H__
+#define __PACKET_INTERNAL_H__
+
+struct packet_mclist {
+ struct packet_mclist *next;
+ int ifindex;
+ int count;
+ unsigned short type;
+ unsigned short alen;
+ unsigned char addr[MAX_ADDR_LEN];
+};
+
+/* kbdq - kernel block descriptor queue */
+struct tpacket_kbdq_core {
+ struct pgv *pkbdq;
+ unsigned int feature_req_word;
+ unsigned int hdrlen;
+ unsigned char reset_pending_on_curr_blk;
+ unsigned char delete_blk_timer;
+ unsigned short kactive_blk_num;
+ unsigned short blk_sizeof_priv;
+
+ /* last_kactive_blk_num:
+ * trick to see if user-space has caught up
+ * in order to avoid refreshing timer when every single pkt arrives.
+ */
+ unsigned short last_kactive_blk_num;
+
+ char *pkblk_start;
+ char *pkblk_end;
+ int kblk_size;
+ unsigned int knum_blocks;
+ uint64_t knxt_seq_num;
+ char *prev;
+ char *nxt_offset;
+ struct sk_buff *skb;
+
+ atomic_t blk_fill_in_prog;
+
+ /* Default is set to 8ms */
+#define DEFAULT_PRB_RETIRE_TOV (8)
+
+ unsigned short retire_blk_tov;
+ unsigned short version;
+ unsigned long tov_in_jiffies;
+
+ /* timer to retire an outstanding block */
+ struct timer_list retire_blk_timer;
+};
+
+struct pgv {
+ char *buffer;
+};
+
+struct packet_ring_buffer {
+ struct pgv *pg_vec;
+ unsigned int head;
+ unsigned int frames_per_block;
+ unsigned int frame_size;
+ unsigned int frame_max;
+
+ unsigned int pg_vec_order;
+ unsigned int pg_vec_pages;
+ unsigned int pg_vec_len;
+
+ struct tpacket_kbdq_core prb_bdqc;
+ atomic_t pending;
+};
+
+extern struct mutex fanout_mutex;
+#define PACKET_FANOUT_MAX 256
+
+struct packet_fanout {
+#ifdef CONFIG_NET_NS
+ struct net *net;
+#endif
+ unsigned int num_members;
+ u16 id;
+ u8 type;
+ u8 defrag;
+ atomic_t rr_cur;
+ struct list_head list;
+ struct sock *arr[PACKET_FANOUT_MAX];
+ spinlock_t lock;
+ atomic_t sk_ref;
+ struct packet_type prot_hook ____cacheline_aligned_in_smp;
+};
+
+struct packet_sock {
+ /* struct sock has to be the first member of packet_sock */
+ struct sock sk;
+ struct packet_fanout *fanout;
+ struct tpacket_stats stats;
+ union tpacket_stats_u stats_u;
+ struct packet_ring_buffer rx_ring;
+ struct packet_ring_buffer tx_ring;
+ int copy_thresh;
+ spinlock_t bind_lock;
+ struct mutex pg_vec_lock;
+ unsigned int running:1, /* prot_hook is attached*/
+ auxdata:1,
+ origdev:1,
+ has_vnet_hdr:1;
+ int ifindex; /* bound device */
+ __be16 num;
+ struct packet_mclist *mclist;
+ atomic_t mapped;
+ enum tpacket_versions tp_version;
+ unsigned int tp_hdrlen;
+ unsigned int tp_reserve;
+ unsigned int tp_loss:1;
+ unsigned int tp_tstamp;
+ struct packet_type prot_hook ____cacheline_aligned_in_smp;
+};
+
+static struct packet_sock *pkt_sk(struct sock *sk)
+{
+ return (struct packet_sock *)sk;
+}
+
+#endif
sk->sk_protocol, pn->sobject, pn->dobject,
pn->resource, sk->sk_state,
sk_wmem_alloc_get(sk), sk_rmem_alloc_get(sk),
- sock_i_uid(sk), sock_i_ino(sk),
+ from_kuid_munged(seq_user_ns(seq), sock_i_uid(sk)),
+ sock_i_ino(sk),
atomic_read(&sk->sk_refcnt), sk,
atomic_read(&sk->sk_drops), &len);
}
struct sock *sk = *psk;
seq_printf(seq, "%02X %5d %lu%n",
- (int) (psk - pnres.sk), sock_i_uid(sk),
+ (int) (psk - pnres.sk),
+ from_kuid_munged(seq_user_ns(seq), sock_i_uid(sk)),
sock_i_ino(sk), &len);
}
seq_printf(seq, "%*s\n", 63 - len, "");
struct rds_connection *conn;
struct rds_tcp_connection *tc;
- read_lock_bh(&sk->sk_callback_lock);
+ read_lock(&sk->sk_callback_lock);
conn = sk->sk_user_data;
if (!conn) {
state_change = sk->sk_state_change;
break;
}
out:
- read_unlock_bh(&sk->sk_callback_lock);
+ read_unlock(&sk->sk_callback_lock);
state_change(sk);
}
rdsdebug("listen data ready sk %p\n", sk);
- read_lock_bh(&sk->sk_callback_lock);
+ read_lock(&sk->sk_callback_lock);
ready = sk->sk_user_data;
if (!ready) { /* check for teardown race */
ready = sk->sk_data_ready;
queue_work(rds_wq, &rds_tcp_listen_work);
out:
- read_unlock_bh(&sk->sk_callback_lock);
+ read_unlock(&sk->sk_callback_lock);
ready(sk, bytes);
}
rdsdebug("data ready sk %p bytes %d\n", sk, bytes);
- read_lock_bh(&sk->sk_callback_lock);
+ read_lock(&sk->sk_callback_lock);
conn = sk->sk_user_data;
if (!conn) { /* check for teardown race */
ready = sk->sk_data_ready;
if (rds_tcp_read_sock(conn, GFP_ATOMIC) == -ENOMEM)
queue_delayed_work(rds_wq, &conn->c_recv_w, 0);
out:
- read_unlock_bh(&sk->sk_callback_lock);
+ read_unlock(&sk->sk_callback_lock);
ready(sk, bytes);
}
struct rds_connection *conn;
struct rds_tcp_connection *tc;
- read_lock_bh(&sk->sk_callback_lock);
+ read_lock(&sk->sk_callback_lock);
conn = sk->sk_user_data;
if (!conn) {
write_space = sk->sk_write_space;
queue_delayed_work(rds_wq, &conn->c_send_w, 0);
out:
- read_unlock_bh(&sk->sk_callback_lock);
+ read_unlock(&sk->sk_callback_lock);
/*
* write_space is only called when data leaves tcp's send queue if
rfkill_led_trigger_event(rfkill);
}
+const char *rfkill_get_led_trigger_name(struct rfkill *rfkill)
+{
+ return rfkill->led_trigger.name;
+}
+EXPORT_SYMBOL(rfkill_get_led_trigger_name);
+
+void rfkill_set_led_trigger_name(struct rfkill *rfkill, const char *name)
+{
+ BUG_ON(!rfkill);
+
+ rfkill->ledtrigname = name;
+}
+EXPORT_SYMBOL(rfkill_set_led_trigger_name);
+
static int rfkill_led_trigger_register(struct rfkill *rfkill)
{
rfkill->led_trigger.name = rfkill->ledtrigname
}
}
- err = tp->ops->change(tp, cl, t->tcm_handle, tca, &fh);
+ err = tp->ops->change(skb, tp, cl, t->tcm_handle, tca, &fh);
if (err == 0) {
if (tp_created) {
spin_lock_bh(root_lock);
return err;
}
-static int basic_change(struct tcf_proto *tp, unsigned long base, u32 handle,
+static int basic_change(struct sk_buff *in_skb,
+ struct tcf_proto *tp, unsigned long base, u32 handle,
struct nlattr **tca, unsigned long *arg)
{
int err;
[TCA_CGROUP_EMATCHES] = { .type = NLA_NESTED },
};
-static int cls_cgroup_change(struct tcf_proto *tp, unsigned long base,
+static int cls_cgroup_change(struct sk_buff *in_skb,
+ struct tcf_proto *tp, unsigned long base,
u32 handle, struct nlattr **tca,
unsigned long *arg)
{
static u32 flow_get_skuid(const struct sk_buff *skb)
{
- if (skb->sk && skb->sk->sk_socket && skb->sk->sk_socket->file)
- return skb->sk->sk_socket->file->f_cred->fsuid;
+ if (skb->sk && skb->sk->sk_socket && skb->sk->sk_socket->file) {
+ kuid_t skuid = skb->sk->sk_socket->file->f_cred->fsuid;
+ return from_kuid(&init_user_ns, skuid);
+ }
return 0;
}
static u32 flow_get_skgid(const struct sk_buff *skb)
{
- if (skb->sk && skb->sk->sk_socket && skb->sk->sk_socket->file)
- return skb->sk->sk_socket->file->f_cred->fsgid;
+ if (skb->sk && skb->sk->sk_socket && skb->sk->sk_socket->file) {
+ kgid_t skgid = skb->sk->sk_socket->file->f_cred->fsgid;
+ return from_kgid(&init_user_ns, skgid);
+ }
return 0;
}
[TCA_FLOW_PERTURB] = { .type = NLA_U32 },
};
-static int flow_change(struct tcf_proto *tp, unsigned long base,
+static int flow_change(struct sk_buff *in_skb,
+ struct tcf_proto *tp, unsigned long base,
u32 handle, struct nlattr **tca,
unsigned long *arg)
{
if (fls(keymask) - 1 > FLOW_KEY_MAX)
return -EOPNOTSUPP;
+
+ if ((keymask & (FLOW_KEY_SKUID|FLOW_KEY_SKGID)) &&
+ sk_user_ns(NETLINK_CB(in_skb).ssk) != &init_user_ns)
+ return -EOPNOTSUPP;
}
err = tcf_exts_validate(tp, tb, tca[TCA_RATE], &e, &flow_ext_map);
return err;
}
-static int fw_change(struct tcf_proto *tp, unsigned long base,
+static int fw_change(struct sk_buff *in_skb,
+ struct tcf_proto *tp, unsigned long base,
u32 handle,
struct nlattr **tca,
unsigned long *arg)
return err;
}
-static int route4_change(struct tcf_proto *tp, unsigned long base,
+static int route4_change(struct sk_buff *in_skb,
+ struct tcf_proto *tp, unsigned long base,
u32 handle,
struct nlattr **tca,
unsigned long *arg)
[TCA_RSVP_PINFO] = { .len = sizeof(struct tc_rsvp_pinfo) },
};
-static int rsvp_change(struct tcf_proto *tp, unsigned long base,
+static int rsvp_change(struct sk_buff *in_skb,
+ struct tcf_proto *tp, unsigned long base,
u32 handle,
struct nlattr **tca,
unsigned long *arg)
}
static int
-tcindex_change(struct tcf_proto *tp, unsigned long base, u32 handle,
+tcindex_change(struct sk_buff *in_skb,
+ struct tcf_proto *tp, unsigned long base, u32 handle,
struct nlattr **tca, unsigned long *arg)
{
struct nlattr *opt = tca[TCA_OPTIONS];
return err;
}
-static int u32_change(struct tcf_proto *tp, unsigned long base, u32 handle,
+static int u32_change(struct sk_buff *in_skb,
+ struct tcf_proto *tp, unsigned long base, u32 handle,
struct nlattr **tca,
unsigned long *arg)
{
}
EXPORT_SYMBOL(netif_carrier_off);
-/**
- * netif_notify_peers - notify network peers about existence of @dev
- * @dev: network device
- *
- * Generate traffic such that interested network peers are aware of
- * @dev, such as by generating a gratuitous ARP. This may be used when
- * a device wants to inform the rest of the network about some sort of
- * reconfiguration such as a failover event or virtual machine
- * migration.
- */
-void netif_notify_peers(struct net_device *dev)
-{
- rtnl_lock();
- call_netdevice_notifiers(NETDEV_NOTIFY_PEERS, dev);
- rtnl_unlock();
-}
-EXPORT_SYMBOL(netif_notify_peers);
-
/* "NOOP" scheduler: the best scheduler, recommended for all interfaces
under all circumstances. It is difficult to invent anything faster or
cheaper.
sctp_scope_t scope,
gfp_t gfp)
{
+ struct net *net = sock_net(sk);
struct sctp_sock *sp;
int i;
sctp_paramhdr_t *p;
* socket values.
*/
asoc->max_retrans = sp->assocparams.sasoc_asocmaxrxt;
- asoc->pf_retrans = sctp_pf_retrans;
+ asoc->pf_retrans = net->sctp.pf_retrans;
asoc->rto_initial = msecs_to_jiffies(sp->rtoinfo.srto_initial);
asoc->rto_max = msecs_to_jiffies(sp->rtoinfo.srto_max);
asoc->timeouts[SCTP_EVENT_TIMEOUT_HEARTBEAT] = 0;
asoc->timeouts[SCTP_EVENT_TIMEOUT_SACK] = asoc->sackdelay;
asoc->timeouts[SCTP_EVENT_TIMEOUT_AUTOCLOSE] =
- min_t(unsigned long, sp->autoclose, sctp_max_autoclose) * HZ;
+ min_t(unsigned long, sp->autoclose, net->sctp.max_autoclose) * HZ;
/* Initializes the timers */
for (i = SCTP_EVENT_TIMEOUT_NONE; i < SCTP_NUM_TIMEOUT_TYPES; ++i)
* and will revert old behavior.
*/
asoc->peer.asconf_capable = 0;
- if (sctp_addip_noauth)
+ if (net->sctp.addip_noauth)
asoc->peer.asconf_capable = 1;
asoc->asconf_addr_del_pending = NULL;
asoc->src_out_of_asoc_ok = 0;
const gfp_t gfp,
const int peer_state)
{
+ struct net *net = sock_net(asoc->base.sk);
struct sctp_transport *peer;
struct sctp_sock *sp;
unsigned short port;
return peer;
}
- peer = sctp_transport_new(addr, gfp);
+ peer = sctp_transport_new(net, addr, gfp);
if (!peer)
return NULL;
/* Is this the association we are looking for? */
struct sctp_transport *sctp_assoc_is_match(struct sctp_association *asoc,
+ struct net *net,
const union sctp_addr *laddr,
const union sctp_addr *paddr)
{
struct sctp_transport *transport;
if ((htons(asoc->base.bind_addr.port) == laddr->v4.sin_port) &&
- (htons(asoc->peer.port) == paddr->v4.sin_port)) {
+ (htons(asoc->peer.port) == paddr->v4.sin_port) &&
+ net_eq(sock_net(asoc->base.sk), net)) {
transport = sctp_assoc_lookup_paddr(asoc, paddr);
if (!transport)
goto out;
struct sctp_association *asoc =
container_of(work, struct sctp_association,
base.inqueue.immediate);
+ struct net *net = sock_net(asoc->base.sk);
struct sctp_endpoint *ep;
struct sctp_chunk *chunk;
struct sctp_inq *inqueue;
if (sctp_chunk_is_data(chunk))
asoc->peer.last_data_from = chunk->transport;
else
- SCTP_INC_STATS(SCTP_MIB_INCTRLCHUNKS);
+ SCTP_INC_STATS(net, SCTP_MIB_INCTRLCHUNKS);
if (chunk->transport)
chunk->transport->last_time_heard = jiffies;
/* Run through the state machine. */
- error = sctp_do_sm(SCTP_EVENT_T_CHUNK, subtype,
+ error = sctp_do_sm(net, SCTP_EVENT_T_CHUNK, subtype,
state, ep, asoc, chunk, GFP_ATOMIC);
/* Check to see if the association is freed in response to
/* Should we send a SACK to update our peer? */
static inline int sctp_peer_needs_update(struct sctp_association *asoc)
{
+ struct net *net = sock_net(asoc->base.sk);
switch (asoc->state) {
case SCTP_STATE_ESTABLISHED:
case SCTP_STATE_SHUTDOWN_PENDING:
case SCTP_STATE_SHUTDOWN_SENT:
if ((asoc->rwnd > asoc->a_rwnd) &&
((asoc->rwnd - asoc->a_rwnd) >= max_t(__u32,
- (asoc->base.sk->sk_rcvbuf >> sctp_rwnd_upd_shift),
+ (asoc->base.sk->sk_rcvbuf >> net->sctp.rwnd_upd_shift),
asoc->pathmtu)))
return 1;
break;
if (asoc->peer.ipv6_address)
flags |= SCTP_ADDR6_PEERSUPP;
- return sctp_bind_addr_copy(&asoc->base.bind_addr,
+ return sctp_bind_addr_copy(sock_net(asoc->base.sk),
+ &asoc->base.bind_addr,
&asoc->ep->base.bind_addr,
scope, gfp, flags);
}
*/
int sctp_auth_asoc_init_active_key(struct sctp_association *asoc, gfp_t gfp)
{
+ struct net *net = sock_net(asoc->base.sk);
struct sctp_auth_bytes *secret;
struct sctp_shared_key *ep_key;
/* If we don't support AUTH, or peer is not capable
* we don't need to do anything.
*/
- if (!sctp_auth_enable || !asoc->peer.auth_capable)
+ if (!net->sctp.auth_enable || !asoc->peer.auth_capable)
return 0;
/* If the key_id is non-zero and we couldn't find an
*/
int sctp_auth_init_hmacs(struct sctp_endpoint *ep, gfp_t gfp)
{
+ struct net *net = sock_net(ep->base.sk);
struct crypto_hash *tfm = NULL;
__u16 id;
/* if the transforms are already allocted, we are done */
- if (!sctp_auth_enable) {
+ if (!net->sctp.auth_enable) {
ep->auth_hmacs = NULL;
return 0;
}
/* Check if peer requested that this chunk is authenticated */
int sctp_auth_send_cid(sctp_cid_t chunk, const struct sctp_association *asoc)
{
- if (!sctp_auth_enable || !asoc || !asoc->peer.auth_capable)
+ struct net *net;
+ if (!asoc)
+ return 0;
+
+ net = sock_net(asoc->base.sk);
+ if (!net->sctp.auth_enable || !asoc->peer.auth_capable)
return 0;
return __sctp_auth_cid(chunk, asoc->peer.peer_chunks);
/* Check if we requested that peer authenticate this chunk. */
int sctp_auth_recv_cid(sctp_cid_t chunk, const struct sctp_association *asoc)
{
- if (!sctp_auth_enable || !asoc)
+ struct net *net;
+ if (!asoc)
+ return 0;
+
+ net = sock_net(asoc->base.sk);
+ if (!net->sctp.auth_enable)
return 0;
return __sctp_auth_cid(chunk,
#include <net/sctp/sm.h>
/* Forward declarations for internal helpers. */
-static int sctp_copy_one_addr(struct sctp_bind_addr *, union sctp_addr *,
- sctp_scope_t scope, gfp_t gfp,
+static int sctp_copy_one_addr(struct net *, struct sctp_bind_addr *,
+ union sctp_addr *, sctp_scope_t scope, gfp_t gfp,
int flags);
static void sctp_bind_addr_clean(struct sctp_bind_addr *);
/* Copy 'src' to 'dest' taking 'scope' into account. Omit addresses
* in 'src' which have a broader scope than 'scope'.
*/
-int sctp_bind_addr_copy(struct sctp_bind_addr *dest,
+int sctp_bind_addr_copy(struct net *net, struct sctp_bind_addr *dest,
const struct sctp_bind_addr *src,
sctp_scope_t scope, gfp_t gfp,
int flags)
/* Extract the addresses which are relevant for this scope. */
list_for_each_entry(addr, &src->address_list, list) {
- error = sctp_copy_one_addr(dest, &addr->a, scope,
+ error = sctp_copy_one_addr(net, dest, &addr->a, scope,
gfp, flags);
if (error < 0)
goto out;
*/
if (list_empty(&dest->address_list) && (SCTP_SCOPE_GLOBAL == scope)) {
list_for_each_entry(addr, &src->address_list, list) {
- error = sctp_copy_one_addr(dest, &addr->a,
+ error = sctp_copy_one_addr(net, dest, &addr->a,
SCTP_SCOPE_LINK, gfp,
flags);
if (error < 0)
}
/* Copy out addresses from the global local address list. */
-static int sctp_copy_one_addr(struct sctp_bind_addr *dest,
+static int sctp_copy_one_addr(struct net *net, struct sctp_bind_addr *dest,
union sctp_addr *addr,
sctp_scope_t scope, gfp_t gfp,
int flags)
int error = 0;
if (sctp_is_any(NULL, addr)) {
- error = sctp_copy_local_addr_list(dest, scope, gfp, flags);
- } else if (sctp_in_scope(addr, scope)) {
+ error = sctp_copy_local_addr_list(net, dest, scope, gfp, flags);
+ } else if (sctp_in_scope(net, addr, scope)) {
/* Now that the address is in scope, check to see if
* the address type is supported by local sock as
* well as the remote peer.
}
/* Is 'addr' valid for 'scope'? */
-int sctp_in_scope(const union sctp_addr *addr, sctp_scope_t scope)
+int sctp_in_scope(struct net *net, const union sctp_addr *addr, sctp_scope_t scope)
{
sctp_scope_t addr_scope = sctp_scope(addr);
* Address scoping can be selectively controlled via sysctl
* option
*/
- switch (sctp_scope_policy) {
+ switch (net->sctp.scope_policy) {
case SCTP_SCOPE_POLICY_DISABLE:
return 1;
case SCTP_SCOPE_POLICY_ENABLE:
offset = 0;
if ((whole > 1) || (whole && over))
- SCTP_INC_STATS_USER(SCTP_MIB_FRAGUSRMSGS);
+ SCTP_INC_STATS_USER(sock_net(asoc->base.sk), SCTP_MIB_FRAGUSRMSGS);
/* Create chunks for all the full sized DATA chunks. */
for (i=0, len=first_len; i < whole; i++) {
struct sock *sk,
gfp_t gfp)
{
+ struct net *net = sock_net(sk);
struct sctp_hmac_algo_param *auth_hmacs = NULL;
struct sctp_chunks_param *auth_chunks = NULL;
struct sctp_shared_key *null_key;
if (!ep->digest)
return NULL;
- if (sctp_auth_enable) {
+ if (net->sctp.auth_enable) {
/* Allocate space for HMACS and CHUNKS authentication
* variables. There are arrays that we encode directly
* into parameters to make the rest of the operations easier.
/* If the Add-IP functionality is enabled, we must
* authenticate, ASCONF and ASCONF-ACK chunks
*/
- if (sctp_addip_enable) {
+ if (net->sctp.addip_enable) {
auth_chunks->chunks[0] = SCTP_CID_ASCONF;
auth_chunks->chunks[1] = SCTP_CID_ASCONF_ACK;
auth_chunks->param_hdr.length =
INIT_LIST_HEAD(&ep->asocs);
/* Use SCTP specific send buffer space queues. */
- ep->sndbuf_policy = sctp_sndbuf_policy;
+ ep->sndbuf_policy = net->sctp.sndbuf_policy;
sk->sk_data_ready = sctp_data_ready;
sk->sk_write_space = sctp_write_space;
sock_set_flag(sk, SOCK_USE_WRITE_QUEUE);
/* Get the receive buffer policy for this endpoint */
- ep->rcvbuf_policy = sctp_rcvbuf_policy;
+ ep->rcvbuf_policy = net->sctp.rcvbuf_policy;
/* Initialize the secret key used with cookie. */
get_random_bytes(&ep->secret_key[0], SCTP_SECRET_SIZE);
/* Is this the endpoint we are looking for? */
struct sctp_endpoint *sctp_endpoint_is_match(struct sctp_endpoint *ep,
+ struct net *net,
const union sctp_addr *laddr)
{
struct sctp_endpoint *retval = NULL;
- if (htons(ep->base.bind_addr.port) == laddr->v4.sin_port) {
+ if ((htons(ep->base.bind_addr.port) == laddr->v4.sin_port) &&
+ net_eq(sock_net(ep->base.sk), net)) {
if (sctp_bind_addr_match(&ep->base.bind_addr, laddr,
sctp_sk(ep->base.sk)))
retval = ep;
rport = ntohs(paddr->v4.sin_port);
- hash = sctp_assoc_hashfn(ep->base.bind_addr.port, rport);
+ hash = sctp_assoc_hashfn(sock_net(ep->base.sk), ep->base.bind_addr.port,
+ rport);
head = &sctp_assoc_hashtable[hash];
read_lock(&head->lock);
sctp_for_each_hentry(epb, node, &head->chain) {
{
struct sctp_sockaddr_entry *addr;
struct sctp_bind_addr *bp;
+ struct net *net = sock_net(ep->base.sk);
bp = &ep->base.bind_addr;
/* This function is called with the socket lock held,
* so the address_list can not change.
*/
list_for_each_entry(addr, &bp->address_list, list) {
- if (sctp_has_association(&addr->a, paddr))
+ if (sctp_has_association(net, &addr->a, paddr))
return 1;
}
base.inqueue.immediate);
struct sctp_association *asoc;
struct sock *sk;
+ struct net *net;
struct sctp_transport *transport;
struct sctp_chunk *chunk;
struct sctp_inq *inqueue;
asoc = NULL;
inqueue = &ep->base.inqueue;
sk = ep->base.sk;
+ net = sock_net(sk);
while (NULL != (chunk = sctp_inq_pop(inqueue))) {
subtype = SCTP_ST_CHUNK(chunk->chunk_hdr->type);
if (asoc && sctp_chunk_is_data(chunk))
asoc->peer.last_data_from = chunk->transport;
else
- SCTP_INC_STATS(SCTP_MIB_INCTRLCHUNKS);
+ SCTP_INC_STATS(sock_net(ep->base.sk), SCTP_MIB_INCTRLCHUNKS);
if (chunk->transport)
chunk->transport->last_time_heard = jiffies;
- error = sctp_do_sm(SCTP_EVENT_T_CHUNK, subtype, state,
+ error = sctp_do_sm(net, SCTP_EVENT_T_CHUNK, subtype, state,
ep, asoc, chunk, GFP_ATOMIC);
if (error && chunk)
/* Forward declarations for internal helpers. */
static int sctp_rcv_ootb(struct sk_buff *);
-static struct sctp_association *__sctp_rcv_lookup(struct sk_buff *skb,
+static struct sctp_association *__sctp_rcv_lookup(struct net *net,
+ struct sk_buff *skb,
const union sctp_addr *laddr,
const union sctp_addr *paddr,
struct sctp_transport **transportp);
-static struct sctp_endpoint *__sctp_rcv_lookup_endpoint(const union sctp_addr *laddr);
+static struct sctp_endpoint *__sctp_rcv_lookup_endpoint(struct net *net,
+ const union sctp_addr *laddr);
static struct sctp_association *__sctp_lookup_association(
+ struct net *net,
const union sctp_addr *local,
const union sctp_addr *peer,
struct sctp_transport **pt);
/* Calculate the SCTP checksum of an SCTP packet. */
-static inline int sctp_rcv_checksum(struct sk_buff *skb)
+static inline int sctp_rcv_checksum(struct net *net, struct sk_buff *skb)
{
struct sctphdr *sh = sctp_hdr(skb);
__le32 cmp = sh->checksum;
if (val != cmp) {
/* CRC failure, dump it. */
- SCTP_INC_STATS_BH(SCTP_MIB_CHECKSUMERRORS);
+ SCTP_INC_STATS_BH(net, SCTP_MIB_CHECKSUMERRORS);
return -1;
}
return 0;
union sctp_addr dest;
int family;
struct sctp_af *af;
+ struct net *net = dev_net(skb->dev);
if (skb->pkt_type!=PACKET_HOST)
goto discard_it;
- SCTP_INC_STATS_BH(SCTP_MIB_INSCTPPACKS);
+ SCTP_INC_STATS_BH(net, SCTP_MIB_INSCTPPACKS);
if (skb_linearize(skb))
goto discard_it;
if (skb->len < sizeof(struct sctphdr))
goto discard_it;
if (!sctp_checksum_disable && !skb_csum_unnecessary(skb) &&
- sctp_rcv_checksum(skb) < 0)
+ sctp_rcv_checksum(net, skb) < 0)
goto discard_it;
skb_pull(skb, sizeof(struct sctphdr));
!af->addr_valid(&dest, NULL, skb))
goto discard_it;
- asoc = __sctp_rcv_lookup(skb, &src, &dest, &transport);
+ asoc = __sctp_rcv_lookup(net, skb, &src, &dest, &transport);
if (!asoc)
- ep = __sctp_rcv_lookup_endpoint(&dest);
+ ep = __sctp_rcv_lookup_endpoint(net, &dest);
/* Retrieve the common input handling substructure. */
rcvr = asoc ? &asoc->base : &ep->base;
sctp_endpoint_put(ep);
ep = NULL;
}
- sk = sctp_get_ctl_sock();
+ sk = net->sctp.ctl_sock;
ep = sctp_sk(sk)->ep;
sctp_endpoint_hold(ep);
rcvr = &ep->base;
*/
if (!asoc) {
if (sctp_rcv_ootb(skb)) {
- SCTP_INC_STATS_BH(SCTP_MIB_OUTOFBLUES);
+ SCTP_INC_STATS_BH(net, SCTP_MIB_OUTOFBLUES);
goto discard_release;
}
}
skb = NULL; /* sctp_chunk_free already freed the skb */
goto discard_release;
}
- SCTP_INC_STATS_BH(SCTP_MIB_IN_PKT_BACKLOG);
+ SCTP_INC_STATS_BH(net, SCTP_MIB_IN_PKT_BACKLOG);
} else {
- SCTP_INC_STATS_BH(SCTP_MIB_IN_PKT_SOFTIRQ);
+ SCTP_INC_STATS_BH(net, SCTP_MIB_IN_PKT_SOFTIRQ);
sctp_inq_push(&chunk->rcvr->inqueue, chunk);
}
return 0;
discard_it:
- SCTP_INC_STATS_BH(SCTP_MIB_IN_PKT_DISCARDS);
+ SCTP_INC_STATS_BH(net, SCTP_MIB_IN_PKT_DISCARDS);
kfree_skb(skb);
return 0;
}
} else {
+ struct net *net = sock_net(sk);
+
if (timer_pending(&t->proto_unreach_timer) &&
del_timer(&t->proto_unreach_timer))
sctp_association_put(asoc);
- sctp_do_sm(SCTP_EVENT_T_OTHER,
+ sctp_do_sm(net, SCTP_EVENT_T_OTHER,
SCTP_ST_OTHER(SCTP_EVENT_ICMP_PROTO_UNREACH),
asoc->state, asoc->ep, asoc, t,
GFP_ATOMIC);
}
/* Common lookup code for icmp/icmpv6 error handler. */
-struct sock *sctp_err_lookup(int family, struct sk_buff *skb,
+struct sock *sctp_err_lookup(struct net *net, int family, struct sk_buff *skb,
struct sctphdr *sctphdr,
struct sctp_association **app,
struct sctp_transport **tpp)
/* Look for an association that matches the incoming ICMP error
* packet.
*/
- asoc = __sctp_lookup_association(&saddr, &daddr, &transport);
+ asoc = __sctp_lookup_association(net, &saddr, &daddr, &transport);
if (!asoc)
return NULL;
* servers this needs to be solved differently.
*/
if (sock_owned_by_user(sk))
- NET_INC_STATS_BH(&init_net, LINUX_MIB_LOCKDROPPEDICMPS);
+ NET_INC_STATS_BH(net, LINUX_MIB_LOCKDROPPEDICMPS);
*app = asoc;
*tpp = transport;
struct inet_sock *inet;
sk_buff_data_t saveip, savesctp;
int err;
+ struct net *net = dev_net(skb->dev);
if (skb->len < ihlen + 8) {
- ICMP_INC_STATS_BH(&init_net, ICMP_MIB_INERRORS);
+ ICMP_INC_STATS_BH(net, ICMP_MIB_INERRORS);
return;
}
savesctp = skb->transport_header;
skb_reset_network_header(skb);
skb_set_transport_header(skb, ihlen);
- sk = sctp_err_lookup(AF_INET, skb, sctp_hdr(skb), &asoc, &transport);
+ sk = sctp_err_lookup(net, AF_INET, skb, sctp_hdr(skb), &asoc, &transport);
/* Put back, the original values. */
skb->network_header = saveip;
skb->transport_header = savesctp;
if (!sk) {
- ICMP_INC_STATS_BH(&init_net, ICMP_MIB_INERRORS);
+ ICMP_INC_STATS_BH(net, ICMP_MIB_INERRORS);
return;
}
/* Warning: The sock lock is held. Remember to call
/* Insert endpoint into the hash table. */
static void __sctp_hash_endpoint(struct sctp_endpoint *ep)
{
+ struct net *net = sock_net(ep->base.sk);
struct sctp_ep_common *epb;
struct sctp_hashbucket *head;
epb = &ep->base;
- epb->hashent = sctp_ep_hashfn(epb->bind_addr.port);
+ epb->hashent = sctp_ep_hashfn(net, epb->bind_addr.port);
head = &sctp_ep_hashtable[epb->hashent];
sctp_write_lock(&head->lock);
/* Remove endpoint from the hash table. */
static void __sctp_unhash_endpoint(struct sctp_endpoint *ep)
{
+ struct net *net = sock_net(ep->base.sk);
struct sctp_hashbucket *head;
struct sctp_ep_common *epb;
epb = &ep->base;
- epb->hashent = sctp_ep_hashfn(epb->bind_addr.port);
+ epb->hashent = sctp_ep_hashfn(net, epb->bind_addr.port);
head = &sctp_ep_hashtable[epb->hashent];
}
/* Look up an endpoint. */
-static struct sctp_endpoint *__sctp_rcv_lookup_endpoint(const union sctp_addr *laddr)
+static struct sctp_endpoint *__sctp_rcv_lookup_endpoint(struct net *net,
+ const union sctp_addr *laddr)
{
struct sctp_hashbucket *head;
struct sctp_ep_common *epb;
struct hlist_node *node;
int hash;
- hash = sctp_ep_hashfn(ntohs(laddr->v4.sin_port));
+ hash = sctp_ep_hashfn(net, ntohs(laddr->v4.sin_port));
head = &sctp_ep_hashtable[hash];
read_lock(&head->lock);
sctp_for_each_hentry(epb, node, &head->chain) {
ep = sctp_ep(epb);
- if (sctp_endpoint_is_match(ep, laddr))
+ if (sctp_endpoint_is_match(ep, net, laddr))
goto hit;
}
- ep = sctp_sk((sctp_get_ctl_sock()))->ep;
+ ep = sctp_sk(net->sctp.ctl_sock)->ep;
hit:
sctp_endpoint_hold(ep);
/* Insert association into the hash table. */
static void __sctp_hash_established(struct sctp_association *asoc)
{
+ struct net *net = sock_net(asoc->base.sk);
struct sctp_ep_common *epb;
struct sctp_hashbucket *head;
epb = &asoc->base;
/* Calculate which chain this entry will belong to. */
- epb->hashent = sctp_assoc_hashfn(epb->bind_addr.port, asoc->peer.port);
+ epb->hashent = sctp_assoc_hashfn(net, epb->bind_addr.port,
+ asoc->peer.port);
head = &sctp_assoc_hashtable[epb->hashent];
/* Remove association from the hash table. */
static void __sctp_unhash_established(struct sctp_association *asoc)
{
+ struct net *net = sock_net(asoc->base.sk);
struct sctp_hashbucket *head;
struct sctp_ep_common *epb;
epb = &asoc->base;
- epb->hashent = sctp_assoc_hashfn(epb->bind_addr.port,
+ epb->hashent = sctp_assoc_hashfn(net, epb->bind_addr.port,
asoc->peer.port);
head = &sctp_assoc_hashtable[epb->hashent];
/* Look up an association. */
static struct sctp_association *__sctp_lookup_association(
+ struct net *net,
const union sctp_addr *local,
const union sctp_addr *peer,
struct sctp_transport **pt)
/* Optimize here for direct hit, only listening connections can
* have wildcards anyways.
*/
- hash = sctp_assoc_hashfn(ntohs(local->v4.sin_port), ntohs(peer->v4.sin_port));
+ hash = sctp_assoc_hashfn(net, ntohs(local->v4.sin_port),
+ ntohs(peer->v4.sin_port));
head = &sctp_assoc_hashtable[hash];
read_lock(&head->lock);
sctp_for_each_hentry(epb, node, &head->chain) {
asoc = sctp_assoc(epb);
- transport = sctp_assoc_is_match(asoc, local, peer);
+ transport = sctp_assoc_is_match(asoc, net, local, peer);
if (transport)
goto hit;
}
/* Look up an association. BH-safe. */
SCTP_STATIC
-struct sctp_association *sctp_lookup_association(const union sctp_addr *laddr,
+struct sctp_association *sctp_lookup_association(struct net *net,
+ const union sctp_addr *laddr,
const union sctp_addr *paddr,
struct sctp_transport **transportp)
{
struct sctp_association *asoc;
sctp_local_bh_disable();
- asoc = __sctp_lookup_association(laddr, paddr, transportp);
+ asoc = __sctp_lookup_association(net, laddr, paddr, transportp);
sctp_local_bh_enable();
return asoc;
}
/* Is there an association matching the given local and peer addresses? */
-int sctp_has_association(const union sctp_addr *laddr,
+int sctp_has_association(struct net *net,
+ const union sctp_addr *laddr,
const union sctp_addr *paddr)
{
struct sctp_association *asoc;
struct sctp_transport *transport;
- if ((asoc = sctp_lookup_association(laddr, paddr, &transport))) {
+ if ((asoc = sctp_lookup_association(net, laddr, paddr, &transport))) {
sctp_association_put(asoc);
return 1;
}
* in certain circumstances.
*
*/
-static struct sctp_association *__sctp_rcv_init_lookup(struct sk_buff *skb,
+static struct sctp_association *__sctp_rcv_init_lookup(struct net *net,
+ struct sk_buff *skb,
const union sctp_addr *laddr, struct sctp_transport **transportp)
{
struct sctp_association *asoc;
af->from_addr_param(paddr, params.addr, sh->source, 0);
- asoc = __sctp_lookup_association(laddr, paddr, &transport);
+ asoc = __sctp_lookup_association(net, laddr, paddr, &transport);
if (asoc)
return asoc;
}
* subsequent ASCONF Chunks. If found, proceed to rule D4.
*/
static struct sctp_association *__sctp_rcv_asconf_lookup(
+ struct net *net,
sctp_chunkhdr_t *ch,
const union sctp_addr *laddr,
__be16 peer_port,
af->from_addr_param(&paddr, param, peer_port, 0);
- return __sctp_lookup_association(laddr, &paddr, transportp);
+ return __sctp_lookup_association(net, laddr, &paddr, transportp);
}
* This means that any chunks that can help us identify the association need
* to be looked at to find this association.
*/
-static struct sctp_association *__sctp_rcv_walk_lookup(struct sk_buff *skb,
+static struct sctp_association *__sctp_rcv_walk_lookup(struct net *net,
+ struct sk_buff *skb,
const union sctp_addr *laddr,
struct sctp_transport **transportp)
{
break;
case SCTP_CID_ASCONF:
- if (have_auth || sctp_addip_noauth)
- asoc = __sctp_rcv_asconf_lookup(ch, laddr,
+ if (have_auth || net->sctp.addip_noauth)
+ asoc = __sctp_rcv_asconf_lookup(
+ net, ch, laddr,
sctp_hdr(skb)->source,
transportp);
default:
* include looking inside of INIT/INIT-ACK chunks or after the AUTH
* chunks.
*/
-static struct sctp_association *__sctp_rcv_lookup_harder(struct sk_buff *skb,
+static struct sctp_association *__sctp_rcv_lookup_harder(struct net *net,
+ struct sk_buff *skb,
const union sctp_addr *laddr,
struct sctp_transport **transportp)
{
switch (ch->type) {
case SCTP_CID_INIT:
case SCTP_CID_INIT_ACK:
- return __sctp_rcv_init_lookup(skb, laddr, transportp);
+ return __sctp_rcv_init_lookup(net, skb, laddr, transportp);
break;
default:
- return __sctp_rcv_walk_lookup(skb, laddr, transportp);
+ return __sctp_rcv_walk_lookup(net, skb, laddr, transportp);
break;
}
}
/* Lookup an association for an inbound skb. */
-static struct sctp_association *__sctp_rcv_lookup(struct sk_buff *skb,
+static struct sctp_association *__sctp_rcv_lookup(struct net *net,
+ struct sk_buff *skb,
const union sctp_addr *paddr,
const union sctp_addr *laddr,
struct sctp_transport **transportp)
{
struct sctp_association *asoc;
- asoc = __sctp_lookup_association(laddr, paddr, transportp);
+ asoc = __sctp_lookup_association(net, laddr, paddr, transportp);
/* Further lookup for INIT/INIT-ACK packets.
* SCTP Implementors Guide, 2.18 Handling of address
* parameters within the INIT or INIT-ACK.
*/
if (!asoc)
- asoc = __sctp_rcv_lookup_harder(skb, laddr, transportp);
+ asoc = __sctp_rcv_lookup_harder(net, skb, laddr, transportp);
return asoc;
}
struct inet6_ifaddr *ifa = (struct inet6_ifaddr *)ptr;
struct sctp_sockaddr_entry *addr = NULL;
struct sctp_sockaddr_entry *temp;
+ struct net *net = dev_net(ifa->idev->dev);
int found = 0;
switch (ev) {
addr->a.v6.sin6_addr = ifa->addr;
addr->a.v6.sin6_scope_id = ifa->idev->dev->ifindex;
addr->valid = 1;
- spin_lock_bh(&sctp_local_addr_lock);
- list_add_tail_rcu(&addr->list, &sctp_local_addr_list);
- sctp_addr_wq_mgmt(addr, SCTP_ADDR_NEW);
- spin_unlock_bh(&sctp_local_addr_lock);
+ spin_lock_bh(&net->sctp.local_addr_lock);
+ list_add_tail_rcu(&addr->list, &net->sctp.local_addr_list);
+ sctp_addr_wq_mgmt(net, addr, SCTP_ADDR_NEW);
+ spin_unlock_bh(&net->sctp.local_addr_lock);
}
break;
case NETDEV_DOWN:
- spin_lock_bh(&sctp_local_addr_lock);
+ spin_lock_bh(&net->sctp.local_addr_lock);
list_for_each_entry_safe(addr, temp,
- &sctp_local_addr_list, list) {
+ &net->sctp.local_addr_list, list) {
if (addr->a.sa.sa_family == AF_INET6 &&
ipv6_addr_equal(&addr->a.v6.sin6_addr,
&ifa->addr)) {
- sctp_addr_wq_mgmt(addr, SCTP_ADDR_DEL);
+ sctp_addr_wq_mgmt(net, addr, SCTP_ADDR_DEL);
found = 1;
addr->valid = 0;
list_del_rcu(&addr->list);
break;
}
}
- spin_unlock_bh(&sctp_local_addr_lock);
+ spin_unlock_bh(&net->sctp.local_addr_lock);
if (found)
kfree_rcu(addr, rcu);
break;
struct ipv6_pinfo *np;
sk_buff_data_t saveip, savesctp;
int err;
+ struct net *net = dev_net(skb->dev);
idev = in6_dev_get(skb->dev);
savesctp = skb->transport_header;
skb_reset_network_header(skb);
skb_set_transport_header(skb, offset);
- sk = sctp_err_lookup(AF_INET6, skb, sctp_hdr(skb), &asoc, &transport);
+ sk = sctp_err_lookup(net, AF_INET6, skb, sctp_hdr(skb), &asoc, &transport);
/* Put back, the original pointers. */
skb->network_header = saveip;
skb->transport_header = savesctp;
if (!sk) {
- ICMP6_INC_STATS_BH(dev_net(skb->dev), idev, ICMP6_MIB_INERRORS);
+ ICMP6_INC_STATS_BH(net, idev, ICMP6_MIB_INERRORS);
goto out;
}
__func__, skb, skb->len,
&fl6.saddr, &fl6.daddr);
- SCTP_INC_STATS(SCTP_MIB_OUTSCTPPACKS);
+ SCTP_INC_STATS(sock_net(sk), SCTP_MIB_OUTSCTPPACKS);
if (!(transport->param_flags & SPP_PMTUD_ENABLE))
skb->local_df = 1;
if (!(type & IPV6_ADDR_UNICAST))
return 0;
- return ipv6_chk_addr(&init_net, in6, NULL, 0);
+ return ipv6_chk_addr(sock_net(&sp->inet.sk), in6, NULL, 0);
}
/* This function checks if the address is a valid address to be used for
struct net_device *dev;
if (type & IPV6_ADDR_LINKLOCAL) {
+ struct net *net;
if (!addr->v6.sin6_scope_id)
return 0;
+ net = sock_net(&opt->inet.sk);
rcu_read_lock();
- dev = dev_get_by_index_rcu(&init_net,
- addr->v6.sin6_scope_id);
+ dev = dev_get_by_index_rcu(net, addr->v6.sin6_scope_id);
if (!dev ||
- !ipv6_chk_addr(&init_net, &addr->v6.sin6_addr,
- dev, 0)) {
+ !ipv6_chk_addr(net, &addr->v6.sin6_addr, dev, 0)) {
rcu_read_unlock();
return 0;
}
if (!addr->v6.sin6_scope_id)
return 0;
rcu_read_lock();
- dev = dev_get_by_index_rcu(&init_net,
+ dev = dev_get_by_index_rcu(sock_net(&opt->inet.sk),
addr->v6.sin6_scope_id);
rcu_read_unlock();
if (!dev)
};
/* Initialize the objcount in the proc filesystem. */
-void sctp_dbg_objcnt_init(void)
+void sctp_dbg_objcnt_init(struct net *net)
{
struct proc_dir_entry *ent;
ent = proc_create("sctp_dbg_objcnt", 0,
- proc_net_sctp, &sctp_objcnt_ops);
+ net->sctp.proc_net_sctp, &sctp_objcnt_ops);
if (!ent)
pr_warn("sctp_dbg_objcnt: Unable to create /proc entry.\n");
}
/* Cleanup the objcount entry in the proc filesystem. */
-void sctp_dbg_objcnt_exit(void)
+void sctp_dbg_objcnt_exit(struct net *net)
{
- remove_proc_entry("sctp_dbg_objcnt", proc_net_sctp);
+ remove_proc_entry("sctp_dbg_objcnt", net->sctp.proc_net_sctp);
}
return err;
no_route:
kfree_skb(nskb);
- IP_INC_STATS_BH(&init_net, IPSTATS_MIB_OUTNOROUTES);
+ IP_INC_STATS_BH(sock_net(asoc->base.sk), IPSTATS_MIB_OUTNOROUTES);
/* FIXME: Returning the 'err' will effect all the associations
* associated with a socket, although only one of the paths of the
/* Put a new chunk in an sctp_outq. */
int sctp_outq_tail(struct sctp_outq *q, struct sctp_chunk *chunk)
{
+ struct net *net = sock_net(q->asoc->base.sk);
int error = 0;
SCTP_DEBUG_PRINTK("sctp_outq_tail(%p, %p[%s])\n",
sctp_outq_tail_data(q, chunk);
if (chunk->chunk_hdr->flags & SCTP_DATA_UNORDERED)
- SCTP_INC_STATS(SCTP_MIB_OUTUNORDERCHUNKS);
+ SCTP_INC_STATS(net, SCTP_MIB_OUTUNORDERCHUNKS);
else
- SCTP_INC_STATS(SCTP_MIB_OUTORDERCHUNKS);
+ SCTP_INC_STATS(net, SCTP_MIB_OUTORDERCHUNKS);
q->empty = 0;
break;
}
} else {
list_add_tail(&chunk->list, &q->control_chunk_list);
- SCTP_INC_STATS(SCTP_MIB_OUTCTRLCHUNKS);
+ SCTP_INC_STATS(net, SCTP_MIB_OUTCTRLCHUNKS);
}
if (error < 0)
void sctp_retransmit(struct sctp_outq *q, struct sctp_transport *transport,
sctp_retransmit_reason_t reason)
{
+ struct net *net = sock_net(q->asoc->base.sk);
int error = 0;
switch(reason) {
case SCTP_RTXR_T3_RTX:
- SCTP_INC_STATS(SCTP_MIB_T3_RETRANSMITS);
+ SCTP_INC_STATS(net, SCTP_MIB_T3_RETRANSMITS);
sctp_transport_lower_cwnd(transport, SCTP_LOWER_CWND_T3_RTX);
/* Update the retran path if the T3-rtx timer has expired for
* the current retran path.
transport->asoc->unack_data;
break;
case SCTP_RTXR_FAST_RTX:
- SCTP_INC_STATS(SCTP_MIB_FAST_RETRANSMITS);
+ SCTP_INC_STATS(net, SCTP_MIB_FAST_RETRANSMITS);
sctp_transport_lower_cwnd(transport, SCTP_LOWER_CWND_FAST_RTX);
q->fast_rtx = 1;
break;
case SCTP_RTXR_PMTUD:
- SCTP_INC_STATS(SCTP_MIB_PMTUD_RETRANSMITS);
+ SCTP_INC_STATS(net, SCTP_MIB_PMTUD_RETRANSMITS);
break;
case SCTP_RTXR_T1_RTX:
- SCTP_INC_STATS(SCTP_MIB_T1_RETRANSMITS);
+ SCTP_INC_STATS(net, SCTP_MIB_T1_RETRANSMITS);
transport->asoc->init_retries++;
break;
default:
if (ftsn_chunk) {
list_add_tail(&ftsn_chunk->list, &q->control_chunk_list);
- SCTP_INC_STATS(SCTP_MIB_OUTCTRLCHUNKS);
+ SCTP_INC_STATS(sock_net(asoc->base.sk), SCTP_MIB_OUTCTRLCHUNKS);
}
}
#define DECLARE_PRIMITIVE(name) \
/* This is called in the code as sctp_primitive_ ## name. */ \
-int sctp_primitive_ ## name(struct sctp_association *asoc, \
+int sctp_primitive_ ## name(struct net *net, struct sctp_association *asoc, \
void *arg) { \
int error = 0; \
sctp_event_t event_type; sctp_subtype_t subtype; \
state = asoc ? asoc->state : SCTP_STATE_CLOSED; \
ep = asoc ? asoc->ep : NULL; \
\
- error = sctp_do_sm(event_type, subtype, state, ep, asoc, \
+ error = sctp_do_sm(net, event_type, subtype, state, ep, asoc, \
arg, GFP_KERNEL); \
return error; \
}
/* Display sctp snmp mib statistics(/proc/net/sctp/snmp). */
static int sctp_snmp_seq_show(struct seq_file *seq, void *v)
{
+ struct net *net = seq->private;
int i;
for (i = 0; sctp_snmp_list[i].name != NULL; i++)
seq_printf(seq, "%-32s\t%ld\n", sctp_snmp_list[i].name,
- snmp_fold_field((void __percpu **)sctp_statistics,
+ snmp_fold_field((void __percpu **)net->sctp.sctp_statistics,
sctp_snmp_list[i].entry));
return 0;
/* Initialize the seq file operations for 'snmp' object. */
static int sctp_snmp_seq_open(struct inode *inode, struct file *file)
{
- return single_open(file, sctp_snmp_seq_show, NULL);
+ return single_open_net(inode, file, sctp_snmp_seq_show);
}
static const struct file_operations sctp_snmp_seq_fops = {
};
/* Set up the proc fs entry for 'snmp' object. */
-int __init sctp_snmp_proc_init(void)
+int __net_init sctp_snmp_proc_init(struct net *net)
{
struct proc_dir_entry *p;
- p = proc_create("snmp", S_IRUGO, proc_net_sctp, &sctp_snmp_seq_fops);
+ p = proc_create("snmp", S_IRUGO, net->sctp.proc_net_sctp,
+ &sctp_snmp_seq_fops);
if (!p)
return -ENOMEM;
}
/* Cleanup the proc fs entry for 'snmp' object. */
-void sctp_snmp_proc_exit(void)
+void sctp_snmp_proc_exit(struct net *net)
{
- remove_proc_entry("snmp", proc_net_sctp);
+ remove_proc_entry("snmp", net->sctp.proc_net_sctp);
}
/* Dump local addresses of an association/endpoint. */
sctp_for_each_hentry(epb, node, &head->chain) {
ep = sctp_ep(epb);
sk = epb->sk;
+ if (!net_eq(sock_net(sk), seq_file_net(seq)))
+ continue;
seq_printf(seq, "%8pK %8pK %-3d %-3d %-4d %-5d %5d %5lu ", ep, sk,
sctp_sk(sk)->type, sk->sk_state, hash,
epb->bind_addr.port,
- sock_i_uid(sk), sock_i_ino(sk));
+ from_kuid_munged(seq_user_ns(seq), sock_i_uid(sk)),
+ sock_i_ino(sk));
sctp_seq_dump_local_addrs(seq, epb);
seq_printf(seq, "\n");
/* Initialize the seq file operations for 'eps' object. */
static int sctp_eps_seq_open(struct inode *inode, struct file *file)
{
- return seq_open(file, &sctp_eps_ops);
+ return seq_open_net(inode, file, &sctp_eps_ops,
+ sizeof(struct seq_net_private));
}
static const struct file_operations sctp_eps_seq_fops = {
};
/* Set up the proc fs entry for 'eps' object. */
-int __init sctp_eps_proc_init(void)
+int __net_init sctp_eps_proc_init(struct net *net)
{
struct proc_dir_entry *p;
- p = proc_create("eps", S_IRUGO, proc_net_sctp, &sctp_eps_seq_fops);
+ p = proc_create("eps", S_IRUGO, net->sctp.proc_net_sctp,
+ &sctp_eps_seq_fops);
if (!p)
return -ENOMEM;
}
/* Cleanup the proc fs entry for 'eps' object. */
-void sctp_eps_proc_exit(void)
+void sctp_eps_proc_exit(struct net *net)
{
- remove_proc_entry("eps", proc_net_sctp);
+ remove_proc_entry("eps", net->sctp.proc_net_sctp);
}
sctp_for_each_hentry(epb, node, &head->chain) {
assoc = sctp_assoc(epb);
sk = epb->sk;
+ if (!net_eq(sock_net(sk), seq_file_net(seq)))
+ continue;
seq_printf(seq,
"%8pK %8pK %-3d %-3d %-2d %-4d "
"%4d %8d %8d %7d %5lu %-5d %5d ",
assoc->assoc_id,
assoc->sndbuf_used,
atomic_read(&assoc->rmem_alloc),
- sock_i_uid(sk), sock_i_ino(sk),
+ from_kuid_munged(seq_user_ns(seq), sock_i_uid(sk)),
+ sock_i_ino(sk),
epb->bind_addr.port,
assoc->peer.port);
seq_printf(seq, " ");
/* Initialize the seq file operations for 'assocs' object. */
static int sctp_assocs_seq_open(struct inode *inode, struct file *file)
{
- return seq_open(file, &sctp_assoc_ops);
+ return seq_open_net(inode, file, &sctp_assoc_ops,
+ sizeof(struct seq_net_private));
}
static const struct file_operations sctp_assocs_seq_fops = {
};
/* Set up the proc fs entry for 'assocs' object. */
-int __init sctp_assocs_proc_init(void)
+int __net_init sctp_assocs_proc_init(struct net *net)
{
struct proc_dir_entry *p;
- p = proc_create("assocs", S_IRUGO, proc_net_sctp,
+ p = proc_create("assocs", S_IRUGO, net->sctp.proc_net_sctp,
&sctp_assocs_seq_fops);
if (!p)
return -ENOMEM;
}
/* Cleanup the proc fs entry for 'assocs' object. */
-void sctp_assocs_proc_exit(void)
+void sctp_assocs_proc_exit(struct net *net)
{
- remove_proc_entry("assocs", proc_net_sctp);
+ remove_proc_entry("assocs", net->sctp.proc_net_sctp);
}
static void *sctp_remaddr_seq_start(struct seq_file *seq, loff_t *pos)
sctp_local_bh_disable();
read_lock(&head->lock);
sctp_for_each_hentry(epb, node, &head->chain) {
+ if (!net_eq(sock_net(epb->sk), seq_file_net(seq)))
+ continue;
assoc = sctp_assoc(epb);
list_for_each_entry(tsp, &assoc->peer.transport_addr_list,
transports) {
};
/* Cleanup the proc fs entry for 'remaddr' object. */
-void sctp_remaddr_proc_exit(void)
+void sctp_remaddr_proc_exit(struct net *net)
{
- remove_proc_entry("remaddr", proc_net_sctp);
+ remove_proc_entry("remaddr", net->sctp.proc_net_sctp);
}
static int sctp_remaddr_seq_open(struct inode *inode, struct file *file)
{
- return seq_open(file, &sctp_remaddr_ops);
+ return seq_open_net(inode, file, &sctp_remaddr_ops,
+ sizeof(struct seq_net_private));
}
static const struct file_operations sctp_remaddr_seq_fops = {
.release = seq_release,
};
-int __init sctp_remaddr_proc_init(void)
+int __net_init sctp_remaddr_proc_init(struct net *net)
{
struct proc_dir_entry *p;
- p = proc_create("remaddr", S_IRUGO, proc_net_sctp, &sctp_remaddr_seq_fops);
+ p = proc_create("remaddr", S_IRUGO, net->sctp.proc_net_sctp,
+ &sctp_remaddr_seq_fops);
if (!p)
return -ENOMEM;
return 0;
/* Global data structures. */
struct sctp_globals sctp_globals __read_mostly;
-DEFINE_SNMP_STAT(struct sctp_mib, sctp_statistics) __read_mostly;
-
-#ifdef CONFIG_PROC_FS
-struct proc_dir_entry *proc_net_sctp;
-#endif
struct idr sctp_assocs_id;
DEFINE_SPINLOCK(sctp_assocs_id_lock);
-/* This is the global socket data structure used for responding to
- * the Out-of-the-blue (OOTB) packets. A control sock will be created
- * for this socket at the initialization time.
- */
-static struct sock *sctp_ctl_sock;
-
static struct sctp_pf *sctp_pf_inet6_specific;
static struct sctp_pf *sctp_pf_inet_specific;
static struct sctp_af *sctp_af_v4_specific;
int sysctl_sctp_rmem[3];
int sysctl_sctp_wmem[3];
-/* Return the address of the control sock. */
-struct sock *sctp_get_ctl_sock(void)
-{
- return sctp_ctl_sock;
-}
-
/* Set up the proc fs entry for the SCTP protocol. */
-static __init int sctp_proc_init(void)
+static __net_init int sctp_proc_init(struct net *net)
{
- if (percpu_counter_init(&sctp_sockets_allocated, 0))
- goto out_nomem;
#ifdef CONFIG_PROC_FS
- if (!proc_net_sctp) {
- proc_net_sctp = proc_mkdir("sctp", init_net.proc_net);
- if (!proc_net_sctp)
- goto out_free_percpu;
- }
-
- if (sctp_snmp_proc_init())
+ net->sctp.proc_net_sctp = proc_net_mkdir(net, "sctp", net->proc_net);
+ if (!net->sctp.proc_net_sctp)
+ goto out_proc_net_sctp;
+ if (sctp_snmp_proc_init(net))
goto out_snmp_proc_init;
- if (sctp_eps_proc_init())
+ if (sctp_eps_proc_init(net))
goto out_eps_proc_init;
- if (sctp_assocs_proc_init())
+ if (sctp_assocs_proc_init(net))
goto out_assocs_proc_init;
- if (sctp_remaddr_proc_init())
+ if (sctp_remaddr_proc_init(net))
goto out_remaddr_proc_init;
return 0;
out_remaddr_proc_init:
- sctp_assocs_proc_exit();
+ sctp_assocs_proc_exit(net);
out_assocs_proc_init:
- sctp_eps_proc_exit();
+ sctp_eps_proc_exit(net);
out_eps_proc_init:
- sctp_snmp_proc_exit();
+ sctp_snmp_proc_exit(net);
out_snmp_proc_init:
- if (proc_net_sctp) {
- proc_net_sctp = NULL;
- remove_proc_entry("sctp", init_net.proc_net);
- }
-out_free_percpu:
- percpu_counter_destroy(&sctp_sockets_allocated);
-#else
- return 0;
-#endif /* CONFIG_PROC_FS */
-
-out_nomem:
+ remove_proc_entry("sctp", net->proc_net);
+ net->sctp.proc_net_sctp = NULL;
+out_proc_net_sctp:
return -ENOMEM;
+#endif /* CONFIG_PROC_FS */
+ return 0;
}
/* Clean up the proc fs entry for the SCTP protocol.
* Note: Do not make this __exit as it is used in the init error
* path.
*/
-static void sctp_proc_exit(void)
+static void sctp_proc_exit(struct net *net)
{
#ifdef CONFIG_PROC_FS
- sctp_snmp_proc_exit();
- sctp_eps_proc_exit();
- sctp_assocs_proc_exit();
- sctp_remaddr_proc_exit();
-
- if (proc_net_sctp) {
- proc_net_sctp = NULL;
- remove_proc_entry("sctp", init_net.proc_net);
- }
+ sctp_snmp_proc_exit(net);
+ sctp_eps_proc_exit(net);
+ sctp_assocs_proc_exit(net);
+ sctp_remaddr_proc_exit(net);
+
+ remove_proc_entry("sctp", net->proc_net);
+ net->sctp.proc_net_sctp = NULL;
#endif
- percpu_counter_destroy(&sctp_sockets_allocated);
}
/* Private helper to extract ipv4 address and stash them in
/* Extract our IP addresses from the system and stash them in the
* protocol structure.
*/
-static void sctp_get_local_addr_list(void)
+static void sctp_get_local_addr_list(struct net *net)
{
struct net_device *dev;
struct list_head *pos;
struct sctp_af *af;
rcu_read_lock();
- for_each_netdev_rcu(&init_net, dev) {
+ for_each_netdev_rcu(net, dev) {
__list_for_each(pos, &sctp_address_families) {
af = list_entry(pos, struct sctp_af, list);
- af->copy_addrlist(&sctp_local_addr_list, dev);
+ af->copy_addrlist(&net->sctp.local_addr_list, dev);
}
}
rcu_read_unlock();
}
/* Free the existing local addresses. */
-static void sctp_free_local_addr_list(void)
+static void sctp_free_local_addr_list(struct net *net)
{
struct sctp_sockaddr_entry *addr;
struct list_head *pos, *temp;
- list_for_each_safe(pos, temp, &sctp_local_addr_list) {
+ list_for_each_safe(pos, temp, &net->sctp.local_addr_list) {
addr = list_entry(pos, struct sctp_sockaddr_entry, list);
list_del(pos);
kfree(addr);
}
/* Copy the local addresses which are valid for 'scope' into 'bp'. */
-int sctp_copy_local_addr_list(struct sctp_bind_addr *bp, sctp_scope_t scope,
- gfp_t gfp, int copy_flags)
+int sctp_copy_local_addr_list(struct net *net, struct sctp_bind_addr *bp,
+ sctp_scope_t scope, gfp_t gfp, int copy_flags)
{
struct sctp_sockaddr_entry *addr;
int error = 0;
rcu_read_lock();
- list_for_each_entry_rcu(addr, &sctp_local_addr_list, list) {
+ list_for_each_entry_rcu(addr, &net->sctp.local_addr_list, list) {
if (!addr->valid)
continue;
- if (sctp_in_scope(&addr->a, scope)) {
+ if (sctp_in_scope(net, &addr->a, scope)) {
/* Now that the address is in scope, check to see if
* the address type is really supported by the local
* sock as well as the remote peer.
/* Should this be available for binding? */
static int sctp_v4_available(union sctp_addr *addr, struct sctp_sock *sp)
{
- int ret = inet_addr_type(&init_net, addr->v4.sin_addr.s_addr);
+ struct net *net = sock_net(&sp->inet.sk);
+ int ret = inet_addr_type(net, addr->v4.sin_addr.s_addr);
if (addr->v4.sin_addr.s_addr != htonl(INADDR_ANY) &&
SCTP_DEBUG_PRINTK("%s: DST:%pI4, SRC:%pI4 - ",
__func__, &fl4->daddr, &fl4->saddr);
- rt = ip_route_output_key(&init_net, fl4);
+ rt = ip_route_output_key(sock_net(sk), fl4);
if (!IS_ERR(rt))
dst = &rt->dst;
(AF_INET == laddr->a.sa.sa_family)) {
fl4->saddr = laddr->a.v4.sin_addr.s_addr;
fl4->fl4_sport = laddr->a.v4.sin_port;
- rt = ip_route_output_key(&init_net, fl4);
+ rt = ip_route_output_key(sock_net(sk), fl4);
if (!IS_ERR(rt)) {
dst = &rt->dst;
goto out_unlock;
void sctp_addr_wq_timeout_handler(unsigned long arg)
{
+ struct net *net = (struct net *)arg;
struct sctp_sockaddr_entry *addrw, *temp;
struct sctp_sock *sp;
- spin_lock_bh(&sctp_addr_wq_lock);
+ spin_lock_bh(&net->sctp.addr_wq_lock);
- list_for_each_entry_safe(addrw, temp, &sctp_addr_waitq, list) {
+ list_for_each_entry_safe(addrw, temp, &net->sctp.addr_waitq, list) {
SCTP_DEBUG_PRINTK_IPADDR("sctp_addrwq_timo_handler: the first ent in wq %p is ",
- " for cmd %d at entry %p\n", &sctp_addr_waitq, &addrw->a, addrw->state,
+ " for cmd %d at entry %p\n", &net->sctp.addr_waitq, &addrw->a, addrw->state,
addrw);
#if IS_ENABLED(CONFIG_IPV6)
goto free_next;
in6 = (struct in6_addr *)&addrw->a.v6.sin6_addr;
- if (ipv6_chk_addr(&init_net, in6, NULL, 0) == 0 &&
+ if (ipv6_chk_addr(net, in6, NULL, 0) == 0 &&
addrw->state == SCTP_ADDR_NEW) {
unsigned long timeo_val;
SCTP_ADDRESS_TICK_DELAY);
timeo_val = jiffies;
timeo_val += msecs_to_jiffies(SCTP_ADDRESS_TICK_DELAY);
- mod_timer(&sctp_addr_wq_timer, timeo_val);
+ mod_timer(&net->sctp.addr_wq_timer, timeo_val);
break;
}
}
#endif
- list_for_each_entry(sp, &sctp_auto_asconf_splist, auto_asconf_list) {
+ list_for_each_entry(sp, &net->sctp.auto_asconf_splist, auto_asconf_list) {
struct sock *sk;
sk = sctp_opt2sk(sp);
list_del(&addrw->list);
kfree(addrw);
}
- spin_unlock_bh(&sctp_addr_wq_lock);
+ spin_unlock_bh(&net->sctp.addr_wq_lock);
}
-static void sctp_free_addr_wq(void)
+static void sctp_free_addr_wq(struct net *net)
{
struct sctp_sockaddr_entry *addrw;
struct sctp_sockaddr_entry *temp;
- spin_lock_bh(&sctp_addr_wq_lock);
- del_timer(&sctp_addr_wq_timer);
- list_for_each_entry_safe(addrw, temp, &sctp_addr_waitq, list) {
+ spin_lock_bh(&net->sctp.addr_wq_lock);
+ del_timer(&net->sctp.addr_wq_timer);
+ list_for_each_entry_safe(addrw, temp, &net->sctp.addr_waitq, list) {
list_del(&addrw->list);
kfree(addrw);
}
- spin_unlock_bh(&sctp_addr_wq_lock);
+ spin_unlock_bh(&net->sctp.addr_wq_lock);
}
/* lookup the entry for the same address in the addr_waitq
* sctp_addr_wq MUST be locked
*/
-static struct sctp_sockaddr_entry *sctp_addr_wq_lookup(struct sctp_sockaddr_entry *addr)
+static struct sctp_sockaddr_entry *sctp_addr_wq_lookup(struct net *net,
+ struct sctp_sockaddr_entry *addr)
{
struct sctp_sockaddr_entry *addrw;
- list_for_each_entry(addrw, &sctp_addr_waitq, list) {
+ list_for_each_entry(addrw, &net->sctp.addr_waitq, list) {
if (addrw->a.sa.sa_family != addr->a.sa.sa_family)
continue;
if (addrw->a.sa.sa_family == AF_INET) {
return NULL;
}
-void sctp_addr_wq_mgmt(struct sctp_sockaddr_entry *addr, int cmd)
+void sctp_addr_wq_mgmt(struct net *net, struct sctp_sockaddr_entry *addr, int cmd)
{
struct sctp_sockaddr_entry *addrw;
unsigned long timeo_val;
* new address after a couple of addition and deletion of that address
*/
- spin_lock_bh(&sctp_addr_wq_lock);
+ spin_lock_bh(&net->sctp.addr_wq_lock);
/* Offsets existing events in addr_wq */
- addrw = sctp_addr_wq_lookup(addr);
+ addrw = sctp_addr_wq_lookup(net, addr);
if (addrw) {
if (addrw->state != cmd) {
SCTP_DEBUG_PRINTK_IPADDR("sctp_addr_wq_mgmt offsets existing entry for %d ",
" in wq %p\n", addrw->state, &addrw->a,
- &sctp_addr_waitq);
+ &net->sctp.addr_waitq);
list_del(&addrw->list);
kfree(addrw);
}
- spin_unlock_bh(&sctp_addr_wq_lock);
+ spin_unlock_bh(&net->sctp.addr_wq_lock);
return;
}
/* OK, we have to add the new address to the wait queue */
addrw = kmemdup(addr, sizeof(struct sctp_sockaddr_entry), GFP_ATOMIC);
if (addrw == NULL) {
- spin_unlock_bh(&sctp_addr_wq_lock);
+ spin_unlock_bh(&net->sctp.addr_wq_lock);
return;
}
addrw->state = cmd;
- list_add_tail(&addrw->list, &sctp_addr_waitq);
+ list_add_tail(&addrw->list, &net->sctp.addr_waitq);
SCTP_DEBUG_PRINTK_IPADDR("sctp_addr_wq_mgmt add new entry for cmd:%d ",
- " in wq %p\n", addrw->state, &addrw->a, &sctp_addr_waitq);
+ " in wq %p\n", addrw->state, &addrw->a, &net->sctp.addr_waitq);
- if (!timer_pending(&sctp_addr_wq_timer)) {
+ if (!timer_pending(&net->sctp.addr_wq_timer)) {
timeo_val = jiffies;
timeo_val += msecs_to_jiffies(SCTP_ADDRESS_TICK_DELAY);
- mod_timer(&sctp_addr_wq_timer, timeo_val);
+ mod_timer(&net->sctp.addr_wq_timer, timeo_val);
}
- spin_unlock_bh(&sctp_addr_wq_lock);
+ spin_unlock_bh(&net->sctp.addr_wq_lock);
}
/* Event handler for inet address addition/deletion events.
struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
struct sctp_sockaddr_entry *addr = NULL;
struct sctp_sockaddr_entry *temp;
+ struct net *net = dev_net(ifa->ifa_dev->dev);
int found = 0;
- if (!net_eq(dev_net(ifa->ifa_dev->dev), &init_net))
- return NOTIFY_DONE;
-
switch (ev) {
case NETDEV_UP:
addr = kmalloc(sizeof(struct sctp_sockaddr_entry), GFP_ATOMIC);
addr->a.v4.sin_port = 0;
addr->a.v4.sin_addr.s_addr = ifa->ifa_local;
addr->valid = 1;
- spin_lock_bh(&sctp_local_addr_lock);
- list_add_tail_rcu(&addr->list, &sctp_local_addr_list);
- sctp_addr_wq_mgmt(addr, SCTP_ADDR_NEW);
- spin_unlock_bh(&sctp_local_addr_lock);
+ spin_lock_bh(&net->sctp.local_addr_lock);
+ list_add_tail_rcu(&addr->list, &net->sctp.local_addr_list);
+ sctp_addr_wq_mgmt(net, addr, SCTP_ADDR_NEW);
+ spin_unlock_bh(&net->sctp.local_addr_lock);
}
break;
case NETDEV_DOWN:
- spin_lock_bh(&sctp_local_addr_lock);
+ spin_lock_bh(&net->sctp.local_addr_lock);
list_for_each_entry_safe(addr, temp,
- &sctp_local_addr_list, list) {
+ &net->sctp.local_addr_list, list) {
if (addr->a.sa.sa_family == AF_INET &&
addr->a.v4.sin_addr.s_addr ==
ifa->ifa_local) {
- sctp_addr_wq_mgmt(addr, SCTP_ADDR_DEL);
+ sctp_addr_wq_mgmt(net, addr, SCTP_ADDR_DEL);
found = 1;
addr->valid = 0;
list_del_rcu(&addr->list);
break;
}
}
- spin_unlock_bh(&sctp_local_addr_lock);
+ spin_unlock_bh(&net->sctp.local_addr_lock);
if (found)
kfree_rcu(addr, rcu);
break;
* Initialize the control inode/socket with a control endpoint data
* structure. This endpoint is reserved exclusively for the OOTB processing.
*/
-static int sctp_ctl_sock_init(void)
+static int sctp_ctl_sock_init(struct net *net)
{
int err;
sa_family_t family = PF_INET;
if (sctp_get_pf_specific(PF_INET6))
family = PF_INET6;
- err = inet_ctl_sock_create(&sctp_ctl_sock, family,
- SOCK_SEQPACKET, IPPROTO_SCTP, &init_net);
+ err = inet_ctl_sock_create(&net->sctp.ctl_sock, family,
+ SOCK_SEQPACKET, IPPROTO_SCTP, net);
/* If IPv6 socket could not be created, try the IPv4 socket */
if (err < 0 && family == PF_INET6)
- err = inet_ctl_sock_create(&sctp_ctl_sock, AF_INET,
+ err = inet_ctl_sock_create(&net->sctp.ctl_sock, AF_INET,
SOCK_SEQPACKET, IPPROTO_SCTP,
- &init_net);
+ net);
if (err < 0) {
pr_err("Failed to create the SCTP control socket\n");
inet->pmtudisc = transport->param_flags & SPP_PMTUD_ENABLE ?
IP_PMTUDISC_DO : IP_PMTUDISC_DONT;
- SCTP_INC_STATS(SCTP_MIB_OUTSCTPPACKS);
+ SCTP_INC_STATS(sock_net(&inet->sk), SCTP_MIB_OUTSCTPPACKS);
return ip_queue_xmit(skb, &transport->fl);
}
.handler = sctp_rcv,
.err_handler = sctp_v4_err,
.no_policy = 1,
+ .netns_ok = 1,
};
/* IPv4 address related functions. */
return 1;
}
-static inline int init_sctp_mibs(void)
+static inline int init_sctp_mibs(struct net *net)
{
- return snmp_mib_init((void __percpu **)sctp_statistics,
+ return snmp_mib_init((void __percpu **)net->sctp.sctp_statistics,
sizeof(struct sctp_mib),
__alignof__(struct sctp_mib));
}
-static inline void cleanup_sctp_mibs(void)
+static inline void cleanup_sctp_mibs(struct net *net)
{
- snmp_mib_free((void __percpu **)sctp_statistics);
+ snmp_mib_free((void __percpu **)net->sctp.sctp_statistics);
}
static void sctp_v4_pf_init(void)
unregister_inetaddr_notifier(&sctp_inetaddr_notifier);
}
+static int sctp_net_init(struct net *net)
+{
+ int status;
+
+ /*
+ * 14. Suggested SCTP Protocol Parameter Values
+ */
+ /* The following protocol parameters are RECOMMENDED: */
+ /* RTO.Initial - 3 seconds */
+ net->sctp.rto_initial = SCTP_RTO_INITIAL;
+ /* RTO.Min - 1 second */
+ net->sctp.rto_min = SCTP_RTO_MIN;
+ /* RTO.Max - 60 seconds */
+ net->sctp.rto_max = SCTP_RTO_MAX;
+ /* RTO.Alpha - 1/8 */
+ net->sctp.rto_alpha = SCTP_RTO_ALPHA;
+ /* RTO.Beta - 1/4 */
+ net->sctp.rto_beta = SCTP_RTO_BETA;
+
+ /* Valid.Cookie.Life - 60 seconds */
+ net->sctp.valid_cookie_life = SCTP_DEFAULT_COOKIE_LIFE;
+
+ /* Whether Cookie Preservative is enabled(1) or not(0) */
+ net->sctp.cookie_preserve_enable = 1;
+
+ /* Max.Burst - 4 */
+ net->sctp.max_burst = SCTP_DEFAULT_MAX_BURST;
+
+ /* Association.Max.Retrans - 10 attempts
+ * Path.Max.Retrans - 5 attempts (per destination address)
+ * Max.Init.Retransmits - 8 attempts
+ */
+ net->sctp.max_retrans_association = 10;
+ net->sctp.max_retrans_path = 5;
+ net->sctp.max_retrans_init = 8;
+
+ /* Sendbuffer growth - do per-socket accounting */
+ net->sctp.sndbuf_policy = 0;
+
+ /* Rcvbuffer growth - do per-socket accounting */
+ net->sctp.rcvbuf_policy = 0;
+
+ /* HB.interval - 30 seconds */
+ net->sctp.hb_interval = SCTP_DEFAULT_TIMEOUT_HEARTBEAT;
+
+ /* delayed SACK timeout */
+ net->sctp.sack_timeout = SCTP_DEFAULT_TIMEOUT_SACK;
+
+ /* Disable ADDIP by default. */
+ net->sctp.addip_enable = 0;
+ net->sctp.addip_noauth = 0;
+ net->sctp.default_auto_asconf = 0;
+
+ /* Enable PR-SCTP by default. */
+ net->sctp.prsctp_enable = 1;
+
+ /* Disable AUTH by default. */
+ net->sctp.auth_enable = 0;
+
+ /* Set SCOPE policy to enabled */
+ net->sctp.scope_policy = SCTP_SCOPE_POLICY_ENABLE;
+
+ /* Set the default rwnd update threshold */
+ net->sctp.rwnd_upd_shift = SCTP_DEFAULT_RWND_SHIFT;
+
+ /* Initialize maximum autoclose timeout. */
+ net->sctp.max_autoclose = INT_MAX / HZ;
+
+ status = sctp_sysctl_net_register(net);
+ if (status)
+ goto err_sysctl_register;
+
+ /* Allocate and initialise sctp mibs. */
+ status = init_sctp_mibs(net);
+ if (status)
+ goto err_init_mibs;
+
+ /* Initialize proc fs directory. */
+ status = sctp_proc_init(net);
+ if (status)
+ goto err_init_proc;
+
+ sctp_dbg_objcnt_init(net);
+
+ /* Initialize the control inode/socket for handling OOTB packets. */
+ if ((status = sctp_ctl_sock_init(net))) {
+ pr_err("Failed to initialize the SCTP control sock\n");
+ goto err_ctl_sock_init;
+ }
+
+ /* Initialize the local address list. */
+ INIT_LIST_HEAD(&net->sctp.local_addr_list);
+ spin_lock_init(&net->sctp.local_addr_lock);
+ sctp_get_local_addr_list(net);
+
+ /* Initialize the address event list */
+ INIT_LIST_HEAD(&net->sctp.addr_waitq);
+ INIT_LIST_HEAD(&net->sctp.auto_asconf_splist);
+ spin_lock_init(&net->sctp.addr_wq_lock);
+ net->sctp.addr_wq_timer.expires = 0;
+ setup_timer(&net->sctp.addr_wq_timer, sctp_addr_wq_timeout_handler,
+ (unsigned long)net);
+
+ return 0;
+
+err_ctl_sock_init:
+ sctp_dbg_objcnt_exit(net);
+ sctp_proc_exit(net);
+err_init_proc:
+ cleanup_sctp_mibs(net);
+err_init_mibs:
+ sctp_sysctl_net_unregister(net);
+err_sysctl_register:
+ return status;
+}
+
+static void sctp_net_exit(struct net *net)
+{
+ /* Free the local address list */
+ sctp_free_addr_wq(net);
+ sctp_free_local_addr_list(net);
+
+ /* Free the control endpoint. */
+ inet_ctl_sock_destroy(net->sctp.ctl_sock);
+
+ sctp_dbg_objcnt_exit(net);
+
+ sctp_proc_exit(net);
+ cleanup_sctp_mibs(net);
+ sctp_sysctl_net_unregister(net);
+}
+
+static struct pernet_operations sctp_net_ops = {
+ .init = sctp_net_init,
+ .exit = sctp_net_exit,
+};
+
/* Initialize the universe into something sensible. */
SCTP_STATIC __init int sctp_init(void)
{
if (!sctp_chunk_cachep)
goto err_chunk_cachep;
- /* Allocate and initialise sctp mibs. */
- status = init_sctp_mibs();
+ status = percpu_counter_init(&sctp_sockets_allocated, 0);
if (status)
- goto err_init_mibs;
-
- /* Initialize proc fs directory. */
- status = sctp_proc_init();
- if (status)
- goto err_init_proc;
-
- /* Initialize object count debugging. */
- sctp_dbg_objcnt_init();
-
- /*
- * 14. Suggested SCTP Protocol Parameter Values
- */
- /* The following protocol parameters are RECOMMENDED: */
- /* RTO.Initial - 3 seconds */
- sctp_rto_initial = SCTP_RTO_INITIAL;
- /* RTO.Min - 1 second */
- sctp_rto_min = SCTP_RTO_MIN;
- /* RTO.Max - 60 seconds */
- sctp_rto_max = SCTP_RTO_MAX;
- /* RTO.Alpha - 1/8 */
- sctp_rto_alpha = SCTP_RTO_ALPHA;
- /* RTO.Beta - 1/4 */
- sctp_rto_beta = SCTP_RTO_BETA;
-
- /* Valid.Cookie.Life - 60 seconds */
- sctp_valid_cookie_life = SCTP_DEFAULT_COOKIE_LIFE;
-
- /* Whether Cookie Preservative is enabled(1) or not(0) */
- sctp_cookie_preserve_enable = 1;
-
- /* Max.Burst - 4 */
- sctp_max_burst = SCTP_DEFAULT_MAX_BURST;
-
- /* Association.Max.Retrans - 10 attempts
- * Path.Max.Retrans - 5 attempts (per destination address)
- * Max.Init.Retransmits - 8 attempts
- */
- sctp_max_retrans_association = 10;
- sctp_max_retrans_path = 5;
- sctp_max_retrans_init = 8;
-
- /* Sendbuffer growth - do per-socket accounting */
- sctp_sndbuf_policy = 0;
-
- /* Rcvbuffer growth - do per-socket accounting */
- sctp_rcvbuf_policy = 0;
-
- /* HB.interval - 30 seconds */
- sctp_hb_interval = SCTP_DEFAULT_TIMEOUT_HEARTBEAT;
-
- /* delayed SACK timeout */
- sctp_sack_timeout = SCTP_DEFAULT_TIMEOUT_SACK;
+ goto err_percpu_counter_init;
/* Implementation specific variables. */
sctp_max_instreams = SCTP_DEFAULT_INSTREAMS;
sctp_max_outstreams = SCTP_DEFAULT_OUTSTREAMS;
- /* Initialize maximum autoclose timeout. */
- sctp_max_autoclose = INT_MAX / HZ;
-
/* Initialize handle used for association ids. */
idr_init(&sctp_assocs_id);
pr_info("Hash tables configured (established %d bind %d)\n",
sctp_assoc_hashsize, sctp_port_hashsize);
- /* Disable ADDIP by default. */
- sctp_addip_enable = 0;
- sctp_addip_noauth = 0;
- sctp_default_auto_asconf = 0;
-
- /* Enable PR-SCTP by default. */
- sctp_prsctp_enable = 1;
-
- /* Disable AUTH by default. */
- sctp_auth_enable = 0;
-
- /* Set SCOPE policy to enabled */
- sctp_scope_policy = SCTP_SCOPE_POLICY_ENABLE;
-
- /* Set the default rwnd update threshold */
- sctp_rwnd_upd_shift = SCTP_DEFAULT_RWND_SHIFT;
-
sctp_sysctl_register();
INIT_LIST_HEAD(&sctp_address_families);
sctp_v4_pf_init();
sctp_v6_pf_init();
- /* Initialize the local address list. */
- INIT_LIST_HEAD(&sctp_local_addr_list);
- spin_lock_init(&sctp_local_addr_lock);
- sctp_get_local_addr_list();
-
- /* Initialize the address event list */
- INIT_LIST_HEAD(&sctp_addr_waitq);
- INIT_LIST_HEAD(&sctp_auto_asconf_splist);
- spin_lock_init(&sctp_addr_wq_lock);
- sctp_addr_wq_timer.expires = 0;
- setup_timer(&sctp_addr_wq_timer, sctp_addr_wq_timeout_handler, 0);
-
status = sctp_v4_protosw_init();
if (status)
if (status)
goto err_v6_protosw_init;
- /* Initialize the control inode/socket for handling OOTB packets. */
- if ((status = sctp_ctl_sock_init())) {
- pr_err("Failed to initialize the SCTP control sock\n");
- goto err_ctl_sock_init;
- }
+ status = register_pernet_subsys(&sctp_net_ops);
+ if (status)
+ goto err_register_pernet_subsys;
status = sctp_v4_add_protocol();
if (status)
err_v6_add_protocol:
sctp_v4_del_protocol();
err_add_protocol:
- inet_ctl_sock_destroy(sctp_ctl_sock);
-err_ctl_sock_init:
+ unregister_pernet_subsys(&sctp_net_ops);
+err_register_pernet_subsys:
sctp_v6_protosw_exit();
err_v6_protosw_init:
sctp_v4_protosw_exit();
err_protosw_init:
- sctp_free_local_addr_list();
sctp_v4_pf_exit();
sctp_v6_pf_exit();
sctp_sysctl_unregister();
get_order(sctp_assoc_hashsize *
sizeof(struct sctp_hashbucket)));
err_ahash_alloc:
- sctp_dbg_objcnt_exit();
- sctp_proc_exit();
-err_init_proc:
- cleanup_sctp_mibs();
-err_init_mibs:
+ percpu_counter_destroy(&sctp_sockets_allocated);
+err_percpu_counter_init:
kmem_cache_destroy(sctp_chunk_cachep);
err_chunk_cachep:
kmem_cache_destroy(sctp_bucket_cachep);
/* Unregister with inet6/inet layers. */
sctp_v6_del_protocol();
sctp_v4_del_protocol();
- sctp_free_addr_wq();
- /* Free the control endpoint. */
- inet_ctl_sock_destroy(sctp_ctl_sock);
+ unregister_pernet_subsys(&sctp_net_ops);
/* Free protosw registrations */
sctp_v6_protosw_exit();
sctp_v4_protosw_exit();
- /* Free the local address list. */
- sctp_free_local_addr_list();
-
/* Unregister with socket layer. */
sctp_v6_pf_exit();
sctp_v4_pf_exit();
get_order(sctp_port_hashsize *
sizeof(struct sctp_bind_hashbucket)));
- sctp_dbg_objcnt_exit();
- sctp_proc_exit();
- cleanup_sctp_mibs();
+ percpu_counter_destroy(&sctp_sockets_allocated);
rcu_barrier(); /* Wait for completion of call_rcu()'s */
const struct sctp_bind_addr *bp,
gfp_t gfp, int vparam_len)
{
+ struct net *net = sock_net(asoc->base.sk);
sctp_inithdr_t init;
union sctp_params addrs;
size_t chunksize;
chunksize += WORD_ROUND(SCTP_SAT_LEN(num_types));
chunksize += sizeof(ecap_param);
- if (sctp_prsctp_enable)
+ if (net->sctp.prsctp_enable)
chunksize += sizeof(prsctp_param);
/* ADDIP: Section 4.2.7:
* the ASCONF,the ASCONF-ACK, and the AUTH chunks in its INIT and
* INIT-ACK parameters.
*/
- if (sctp_addip_enable) {
+ if (net->sctp.addip_enable) {
extensions[num_ext] = SCTP_CID_ASCONF;
extensions[num_ext+1] = SCTP_CID_ASCONF_ACK;
num_ext += 2;
chunksize += vparam_len;
/* Account for AUTH related parameters */
- if (sctp_auth_enable) {
+ if (net->sctp.auth_enable) {
/* Add random parameter length*/
chunksize += sizeof(asoc->c.auth_random);
sctp_addto_param(retval, num_ext, extensions);
}
- if (sctp_prsctp_enable)
+ if (net->sctp.prsctp_enable)
sctp_addto_chunk(retval, sizeof(prsctp_param), &prsctp_param);
if (sp->adaptation_ind) {
}
/* Add SCTP-AUTH chunks to the parameter list */
- if (sctp_auth_enable) {
+ if (net->sctp.auth_enable) {
sctp_addto_chunk(retval, sizeof(asoc->c.auth_random),
asoc->c.auth_random);
if (auth_hmacs)
return 0;
}
-static int sctp_verify_ext_param(union sctp_params param)
+static int sctp_verify_ext_param(struct net *net, union sctp_params param)
{
__u16 num_ext = ntohs(param.p->length) - sizeof(sctp_paramhdr_t);
int have_auth = 0;
* only if ADD-IP is turned on and we are not backward-compatible
* mode.
*/
- if (sctp_addip_noauth)
+ if (net->sctp.addip_noauth)
return 1;
- if (sctp_addip_enable && !have_auth && have_asconf)
+ if (net->sctp.addip_enable && !have_auth && have_asconf)
return 0;
return 1;
static void sctp_process_ext_param(struct sctp_association *asoc,
union sctp_params param)
{
+ struct net *net = sock_net(asoc->base.sk);
__u16 num_ext = ntohs(param.p->length) - sizeof(sctp_paramhdr_t);
int i;
for (i = 0; i < num_ext; i++) {
switch (param.ext->chunks[i]) {
case SCTP_CID_FWD_TSN:
- if (sctp_prsctp_enable &&
+ if (net->sctp.prsctp_enable &&
!asoc->peer.prsctp_capable)
asoc->peer.prsctp_capable = 1;
break;
/* if the peer reports AUTH, assume that he
* supports AUTH.
*/
- if (sctp_auth_enable)
+ if (net->sctp.auth_enable)
asoc->peer.auth_capable = 1;
break;
case SCTP_CID_ASCONF:
case SCTP_CID_ASCONF_ACK:
- if (sctp_addip_enable)
+ if (net->sctp.addip_enable)
asoc->peer.asconf_capable = 1;
break;
default:
* SCTP_IERROR_ERROR - stop processing, trigger an ERROR
* SCTP_IERROR_NO_ERROR - continue with the chunk
*/
-static sctp_ierror_t sctp_verify_param(const struct sctp_association *asoc,
+static sctp_ierror_t sctp_verify_param(struct net *net,
+ const struct sctp_association *asoc,
union sctp_params param,
sctp_cid_t cid,
struct sctp_chunk *chunk,
break;
case SCTP_PARAM_SUPPORTED_EXT:
- if (!sctp_verify_ext_param(param))
+ if (!sctp_verify_ext_param(net, param))
return SCTP_IERROR_ABORT;
break;
case SCTP_PARAM_SET_PRIMARY:
- if (sctp_addip_enable)
+ if (net->sctp.addip_enable)
break;
goto fallthrough;
break;
case SCTP_PARAM_FWD_TSN_SUPPORT:
- if (sctp_prsctp_enable)
+ if (net->sctp.prsctp_enable)
break;
goto fallthrough;
case SCTP_PARAM_RANDOM:
- if (!sctp_auth_enable)
+ if (!net->sctp.auth_enable)
goto fallthrough;
/* SCTP-AUTH: Secion 6.1
break;
case SCTP_PARAM_CHUNKS:
- if (!sctp_auth_enable)
+ if (!net->sctp.auth_enable)
goto fallthrough;
/* SCTP-AUTH: Section 3.2
break;
case SCTP_PARAM_HMAC_ALGO:
- if (!sctp_auth_enable)
+ if (!net->sctp.auth_enable)
goto fallthrough;
hmacs = (struct sctp_hmac_algo_param *)param.p;
}
/* Verify the INIT packet before we process it. */
-int sctp_verify_init(const struct sctp_association *asoc,
+int sctp_verify_init(struct net *net, const struct sctp_association *asoc,
sctp_cid_t cid,
sctp_init_chunk_t *peer_init,
struct sctp_chunk *chunk,
/* Verify all the variable length parameters */
sctp_walk_params(param, peer_init, init_hdr.params) {
- result = sctp_verify_param(asoc, param, cid, chunk, errp);
+ result = sctp_verify_param(net, asoc, param, cid, chunk, errp);
switch (result) {
case SCTP_IERROR_ABORT:
case SCTP_IERROR_NOMEM:
const union sctp_addr *peer_addr,
sctp_init_chunk_t *peer_init, gfp_t gfp)
{
+ struct net *net = sock_net(asoc->base.sk);
union sctp_params param;
struct sctp_transport *transport;
struct list_head *pos, *temp;
* also give us an option to silently ignore the packet, which
* is what we'll do here.
*/
- if (!sctp_addip_noauth &&
+ if (!net->sctp.addip_noauth &&
(asoc->peer.asconf_capable && !asoc->peer.auth_capable)) {
asoc->peer.addip_disabled_mask |= (SCTP_PARAM_ADD_IP |
SCTP_PARAM_DEL_IP |
const union sctp_addr *peer_addr,
gfp_t gfp)
{
+ struct net *net = sock_net(asoc->base.sk);
union sctp_addr addr;
int i;
__u16 sat;
af = sctp_get_af_specific(param_type2af(param.p->type));
af->from_addr_param(&addr, param.addr, htons(asoc->peer.port), 0);
scope = sctp_scope(peer_addr);
- if (sctp_in_scope(&addr, scope))
+ if (sctp_in_scope(net, &addr, scope))
if (!sctp_assoc_add_peer(asoc, &addr, gfp, SCTP_UNCONFIRMED))
return 0;
break;
case SCTP_PARAM_COOKIE_PRESERVATIVE:
- if (!sctp_cookie_preserve_enable)
+ if (!net->sctp.cookie_preserve_enable)
break;
stale = ntohl(param.life->lifespan_increment);
break;
case SCTP_PARAM_SET_PRIMARY:
- if (!sctp_addip_enable)
+ if (!net->sctp.addip_enable)
goto fall_through;
addr_param = param.v + sizeof(sctp_addip_param_t);
break;
case SCTP_PARAM_FWD_TSN_SUPPORT:
- if (sctp_prsctp_enable) {
+ if (net->sctp.prsctp_enable) {
asoc->peer.prsctp_capable = 1;
break;
}
goto fall_through;
case SCTP_PARAM_RANDOM:
- if (!sctp_auth_enable)
+ if (!net->sctp.auth_enable)
goto fall_through;
/* Save peer's random parameter */
break;
case SCTP_PARAM_HMAC_ALGO:
- if (!sctp_auth_enable)
+ if (!net->sctp.auth_enable)
goto fall_through;
/* Save peer's HMAC list */
break;
case SCTP_PARAM_CHUNKS:
- if (!sctp_auth_enable)
+ if (!net->sctp.auth_enable)
goto fall_through;
asoc->peer.peer_chunks = kmemdup(param.p,
int error;
struct sctp_transport *transport = (struct sctp_transport *) peer;
struct sctp_association *asoc = transport->asoc;
+ struct net *net = sock_net(asoc->base.sk);
/* Check whether a task is in the sock. */
goto out_unlock;
/* Run through the state machine. */
- error = sctp_do_sm(SCTP_EVENT_T_TIMEOUT,
+ error = sctp_do_sm(net, SCTP_EVENT_T_TIMEOUT,
SCTP_ST_TIMEOUT(SCTP_EVENT_TIMEOUT_T3_RTX),
asoc->state,
asoc->ep, asoc,
static void sctp_generate_timeout_event(struct sctp_association *asoc,
sctp_event_timeout_t timeout_type)
{
+ struct net *net = sock_net(asoc->base.sk);
int error = 0;
sctp_bh_lock_sock(asoc->base.sk);
goto out_unlock;
/* Run through the state machine. */
- error = sctp_do_sm(SCTP_EVENT_T_TIMEOUT,
+ error = sctp_do_sm(net, SCTP_EVENT_T_TIMEOUT,
SCTP_ST_TIMEOUT(timeout_type),
asoc->state, asoc->ep, asoc,
(void *)timeout_type, GFP_ATOMIC);
int error = 0;
struct sctp_transport *transport = (struct sctp_transport *) data;
struct sctp_association *asoc = transport->asoc;
+ struct net *net = sock_net(asoc->base.sk);
sctp_bh_lock_sock(asoc->base.sk);
if (sock_owned_by_user(asoc->base.sk)) {
if (transport->dead)
goto out_unlock;
- error = sctp_do_sm(SCTP_EVENT_T_TIMEOUT,
+ error = sctp_do_sm(net, SCTP_EVENT_T_TIMEOUT,
SCTP_ST_TIMEOUT(SCTP_EVENT_TIMEOUT_HEARTBEAT),
asoc->state, asoc->ep, asoc,
transport, GFP_ATOMIC);
{
struct sctp_transport *transport = (struct sctp_transport *) data;
struct sctp_association *asoc = transport->asoc;
+ struct net *net = sock_net(asoc->base.sk);
sctp_bh_lock_sock(asoc->base.sk);
if (sock_owned_by_user(asoc->base.sk)) {
if (asoc->base.dead)
goto out_unlock;
- sctp_do_sm(SCTP_EVENT_T_OTHER,
+ sctp_do_sm(net, SCTP_EVENT_T_OTHER,
SCTP_ST_OTHER(SCTP_EVENT_ICMP_PROTO_UNREACH),
asoc->state, asoc->ep, asoc, transport, GFP_ATOMIC);
int err = 0;
if (sctp_outq_sack(&asoc->outqueue, sackh)) {
+ struct net *net = sock_net(asoc->base.sk);
+
/* There are no more TSNs awaiting SACK. */
- err = sctp_do_sm(SCTP_EVENT_T_OTHER,
+ err = sctp_do_sm(net, SCTP_EVENT_T_OTHER,
SCTP_ST_OTHER(SCTP_EVENT_NO_PENDING_TSN),
asoc->state, asoc->ep, asoc, NULL,
GFP_ATOMIC);
*/
static void sctp_cmd_send_asconf(struct sctp_association *asoc)
{
+ struct net *net = sock_net(asoc->base.sk);
+
/* Send the next asconf chunk from the addip chunk
* queue.
*/
/* Hold the chunk until an ASCONF_ACK is received. */
sctp_chunk_hold(asconf);
- if (sctp_primitive_ASCONF(asoc, asconf))
+ if (sctp_primitive_ASCONF(net, asoc, asconf))
sctp_chunk_free(asconf);
else
asoc->addip_last_asconf = asconf;
* If you want to understand all of lksctp, this is a
* good place to start.
*/
-int sctp_do_sm(sctp_event_t event_type, sctp_subtype_t subtype,
+int sctp_do_sm(struct net *net, sctp_event_t event_type, sctp_subtype_t subtype,
sctp_state_t state,
struct sctp_endpoint *ep,
struct sctp_association *asoc,
/* Look up the state function, run it, and then process the
* side effects. These three steps are the heart of lksctp.
*/
- state_fn = sctp_sm_lookup_event(event_type, state, subtype);
+ state_fn = sctp_sm_lookup_event(net, event_type, state, subtype);
sctp_init_cmd_seq(&commands);
DEBUG_PRE;
- status = (*state_fn->fn)(ep, asoc, subtype, event_arg, &commands);
+ status = (*state_fn->fn)(net, ep, asoc, subtype, event_arg, &commands);
DEBUG_POST;
error = sctp_side_effects(event_type, subtype, state,
#include <net/sctp/sm.h>
#include <net/sctp/structs.h>
-static struct sctp_packet *sctp_abort_pkt_new(const struct sctp_endpoint *ep,
+static struct sctp_packet *sctp_abort_pkt_new(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
struct sctp_chunk *chunk,
const void *payload,
static int sctp_eat_data(const struct sctp_association *asoc,
struct sctp_chunk *chunk,
sctp_cmd_seq_t *commands);
-static struct sctp_packet *sctp_ootb_pkt_new(const struct sctp_association *asoc,
+static struct sctp_packet *sctp_ootb_pkt_new(struct net *net,
+ const struct sctp_association *asoc,
const struct sctp_chunk *chunk);
-static void sctp_send_stale_cookie_err(const struct sctp_endpoint *ep,
+static void sctp_send_stale_cookie_err(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const struct sctp_chunk *chunk,
sctp_cmd_seq_t *commands,
struct sctp_chunk *err_chunk);
-static sctp_disposition_t sctp_sf_do_5_2_6_stale(const struct sctp_endpoint *ep,
+static sctp_disposition_t sctp_sf_do_5_2_6_stale(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands);
-static sctp_disposition_t sctp_sf_shut_8_4_5(const struct sctp_endpoint *ep,
+static sctp_disposition_t sctp_sf_shut_8_4_5(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands);
-static sctp_disposition_t sctp_sf_tabort_8_4_8(const struct sctp_endpoint *ep,
+static sctp_disposition_t sctp_sf_tabort_8_4_8(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands);
static struct sctp_sackhdr *sctp_sm_pull_sack(struct sctp_chunk *chunk);
-static sctp_disposition_t sctp_stop_t1_and_abort(sctp_cmd_seq_t *commands,
+static sctp_disposition_t sctp_stop_t1_and_abort(struct net *net,
+ sctp_cmd_seq_t *commands,
__be16 error, int sk_err,
const struct sctp_association *asoc,
struct sctp_transport *transport);
static sctp_disposition_t sctp_sf_abort_violation(
+ struct net *net,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
void *arg,
const size_t paylen);
static sctp_disposition_t sctp_sf_violation_chunklen(
+ struct net *net,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
sctp_cmd_seq_t *commands);
static sctp_disposition_t sctp_sf_violation_paramlen(
+ struct net *net,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
sctp_cmd_seq_t *commands);
static sctp_disposition_t sctp_sf_violation_ctsn(
+ struct net *net,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
sctp_cmd_seq_t *commands);
static sctp_disposition_t sctp_sf_violation_chunk(
+ struct net *net,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands);
-static sctp_ierror_t sctp_sf_authenticate(const struct sctp_endpoint *ep,
+static sctp_ierror_t sctp_sf_authenticate(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
struct sctp_chunk *chunk);
-static sctp_disposition_t __sctp_sf_do_9_1_abort(const struct sctp_endpoint *ep,
+static sctp_disposition_t __sctp_sf_do_9_1_abort(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
*
* The return value is the disposition of the chunk.
*/
-sctp_disposition_t sctp_sf_do_4_C(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_do_4_C(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
struct sctp_ulpevent *ev;
if (!sctp_vtag_verify_either(chunk, asoc))
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
/* RFC 2960 6.10 Bundling
*
* SHUTDOWN COMPLETE with any other chunks.
*/
if (!chunk->singleton)
- return sctp_sf_violation_chunk(ep, asoc, type, arg, commands);
+ return sctp_sf_violation_chunk(net, ep, asoc, type, arg, commands);
/* Make sure that the SHUTDOWN_COMPLETE chunk has a valid length. */
if (!sctp_chunk_length_valid(chunk, sizeof(sctp_chunkhdr_t)))
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);
/* RFC 2960 10.2 SCTP-to-ULP
sctp_add_cmd_sf(commands, SCTP_CMD_NEW_STATE,
SCTP_STATE(SCTP_STATE_CLOSED));
- SCTP_INC_STATS(SCTP_MIB_SHUTDOWNS);
- SCTP_DEC_STATS(SCTP_MIB_CURRESTAB);
+ SCTP_INC_STATS(net, SCTP_MIB_SHUTDOWNS);
+ SCTP_DEC_STATS(net, SCTP_MIB_CURRESTAB);
sctp_add_cmd_sf(commands, SCTP_CMD_DELETE_TCB, SCTP_NULL());
*
* The return value is the disposition of the chunk.
*/
-sctp_disposition_t sctp_sf_do_5_1B_init(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_do_5_1B_init(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
* with an INIT chunk that is bundled with other chunks.
*/
if (!chunk->singleton)
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
/* If the packet is an OOTB packet which is temporarily on the
* control endpoint, respond with an ABORT.
*/
- if (ep == sctp_sk((sctp_get_ctl_sock()))->ep) {
- SCTP_INC_STATS(SCTP_MIB_OUTOFBLUES);
- return sctp_sf_tabort_8_4_8(ep, asoc, type, arg, commands);
+ if (ep == sctp_sk(net->sctp.ctl_sock)->ep) {
+ SCTP_INC_STATS(net, SCTP_MIB_OUTOFBLUES);
+ return sctp_sf_tabort_8_4_8(net, ep, asoc, type, arg, commands);
}
/* 3.1 A packet containing an INIT chunk MUST have a zero Verification
* Tag.
*/
if (chunk->sctp_hdr->vtag != 0)
- return sctp_sf_tabort_8_4_8(ep, asoc, type, arg, commands);
+ return sctp_sf_tabort_8_4_8(net, ep, asoc, type, arg, commands);
/* Make sure that the INIT chunk has a valid length.
* Normally, this would cause an ABORT with a Protocol Violation
* just discard the packet.
*/
if (!sctp_chunk_length_valid(chunk, sizeof(sctp_init_chunk_t)))
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
/* If the INIT is coming toward a closing socket, we'll send back
* and ABORT. Essentially, this catches the race of INIT being
* can treat this OOTB
*/
if (sctp_sstate(ep->base.sk, CLOSING))
- return sctp_sf_tabort_8_4_8(ep, asoc, type, arg, commands);
+ return sctp_sf_tabort_8_4_8(net, ep, asoc, type, arg, commands);
/* Verify the INIT chunk before processing it. */
err_chunk = NULL;
- if (!sctp_verify_init(asoc, chunk->chunk_hdr->type,
+ if (!sctp_verify_init(net, asoc, chunk->chunk_hdr->type,
(sctp_init_chunk_t *)chunk->chunk_hdr, chunk,
&err_chunk)) {
/* This chunk contains fatal error. It is to be discarded.
* Send an ABORT, with causes if there is any.
*/
if (err_chunk) {
- packet = sctp_abort_pkt_new(ep, asoc, arg,
+ packet = sctp_abort_pkt_new(net, ep, asoc, arg,
(__u8 *)(err_chunk->chunk_hdr) +
sizeof(sctp_chunkhdr_t),
ntohs(err_chunk->chunk_hdr->length) -
if (packet) {
sctp_add_cmd_sf(commands, SCTP_CMD_SEND_PKT,
SCTP_PACKET(packet));
- SCTP_INC_STATS(SCTP_MIB_OUTCTRLCHUNKS);
+ SCTP_INC_STATS(net, SCTP_MIB_OUTCTRLCHUNKS);
return SCTP_DISPOSITION_CONSUME;
} else {
return SCTP_DISPOSITION_NOMEM;
}
} else {
- return sctp_sf_tabort_8_4_8(ep, asoc, type, arg,
+ return sctp_sf_tabort_8_4_8(net, ep, asoc, type, arg,
commands);
}
}
*
* The return value is the disposition of the chunk.
*/
-sctp_disposition_t sctp_sf_do_5_1C_ack(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_do_5_1C_ack(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
struct sctp_packet *packet;
if (!sctp_vtag_verify(chunk, asoc))
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
/* 6.10 Bundling
* An endpoint MUST NOT bundle INIT, INIT ACK or
* SHUTDOWN COMPLETE with any other chunks.
*/
if (!chunk->singleton)
- return sctp_sf_violation_chunk(ep, asoc, type, arg, commands);
+ return sctp_sf_violation_chunk(net, ep, asoc, type, arg, commands);
/* Make sure that the INIT-ACK chunk has a valid length */
if (!sctp_chunk_length_valid(chunk, sizeof(sctp_initack_chunk_t)))
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);
/* Grab the INIT header. */
chunk->subh.init_hdr = (sctp_inithdr_t *) chunk->skb->data;
/* Verify the INIT chunk before processing it. */
err_chunk = NULL;
- if (!sctp_verify_init(asoc, chunk->chunk_hdr->type,
+ if (!sctp_verify_init(net, asoc, chunk->chunk_hdr->type,
(sctp_init_chunk_t *)chunk->chunk_hdr, chunk,
&err_chunk)) {
* the association.
*/
if (err_chunk) {
- packet = sctp_abort_pkt_new(ep, asoc, arg,
+ packet = sctp_abort_pkt_new(net, ep, asoc, arg,
(__u8 *)(err_chunk->chunk_hdr) +
sizeof(sctp_chunkhdr_t),
ntohs(err_chunk->chunk_hdr->length) -
if (packet) {
sctp_add_cmd_sf(commands, SCTP_CMD_SEND_PKT,
SCTP_PACKET(packet));
- SCTP_INC_STATS(SCTP_MIB_OUTCTRLCHUNKS);
+ SCTP_INC_STATS(net, SCTP_MIB_OUTCTRLCHUNKS);
error = SCTP_ERROR_INV_PARAM;
}
}
* was malformed.
*/
if (sctp_auth_recv_cid(SCTP_CID_ABORT, asoc))
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
- SCTP_INC_STATS(SCTP_MIB_ABORTEDS);
- return sctp_stop_t1_and_abort(commands, error, ECONNREFUSED,
+ SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS);
+ return sctp_stop_t1_and_abort(net, commands, error, ECONNREFUSED,
asoc, chunk->transport);
}
*
* The return value is the disposition of the chunk.
*/
-sctp_disposition_t sctp_sf_do_5_1D_ce(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_do_5_1D_ce(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type, void *arg,
sctp_cmd_seq_t *commands)
/* If the packet is an OOTB packet which is temporarily on the
* control endpoint, respond with an ABORT.
*/
- if (ep == sctp_sk((sctp_get_ctl_sock()))->ep) {
- SCTP_INC_STATS(SCTP_MIB_OUTOFBLUES);
- return sctp_sf_tabort_8_4_8(ep, asoc, type, arg, commands);
+ if (ep == sctp_sk(net->sctp.ctl_sock)->ep) {
+ SCTP_INC_STATS(net, SCTP_MIB_OUTOFBLUES);
+ return sctp_sf_tabort_8_4_8(net, ep, asoc, type, arg, commands);
}
/* Make sure that the COOKIE_ECHO chunk has a valid length.
* in sctp_unpack_cookie().
*/
if (!sctp_chunk_length_valid(chunk, sizeof(sctp_chunkhdr_t)))
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
/* If the endpoint is not listening or if the number of associations
* on the TCP-style socket exceed the max backlog, respond with an
sk = ep->base.sk;
if (!sctp_sstate(sk, LISTENING) ||
(sctp_style(sk, TCP) && sk_acceptq_is_full(sk)))
- return sctp_sf_tabort_8_4_8(ep, asoc, type, arg, commands);
+ return sctp_sf_tabort_8_4_8(net, ep, asoc, type, arg, commands);
/* "Decode" the chunk. We have no optional parameters so we
* are in good shape.
goto nomem;
case -SCTP_IERROR_STALE_COOKIE:
- sctp_send_stale_cookie_err(ep, asoc, chunk, commands,
+ sctp_send_stale_cookie_err(net, ep, asoc, chunk, commands,
err_chk_p);
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
case -SCTP_IERROR_BAD_SIG:
default:
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
}
}
skb_pull(chunk->auth_chunk, sizeof(sctp_chunkhdr_t));
auth.transport = chunk->transport;
- ret = sctp_sf_authenticate(ep, new_asoc, type, &auth);
+ ret = sctp_sf_authenticate(net, ep, new_asoc, type, &auth);
/* We can now safely free the auth_chunk clone */
kfree_skb(chunk->auth_chunk);
if (ret != SCTP_IERROR_NO_ERROR) {
sctp_association_free(new_asoc);
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
}
}
sctp_add_cmd_sf(commands, SCTP_CMD_NEW_ASOC, SCTP_ASOC(new_asoc));
sctp_add_cmd_sf(commands, SCTP_CMD_NEW_STATE,
SCTP_STATE(SCTP_STATE_ESTABLISHED));
- SCTP_INC_STATS(SCTP_MIB_CURRESTAB);
- SCTP_INC_STATS(SCTP_MIB_PASSIVEESTABS);
+ SCTP_INC_STATS(net, SCTP_MIB_CURRESTAB);
+ SCTP_INC_STATS(net, SCTP_MIB_PASSIVEESTABS);
sctp_add_cmd_sf(commands, SCTP_CMD_HB_TIMERS_START, SCTP_NULL());
if (new_asoc->autoclose)
*
* The return value is the disposition of the chunk.
*/
-sctp_disposition_t sctp_sf_do_5_1E_ca(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_do_5_1E_ca(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type, void *arg,
sctp_cmd_seq_t *commands)
struct sctp_ulpevent *ev;
if (!sctp_vtag_verify(chunk, asoc))
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
/* Verify that the chunk length for the COOKIE-ACK is OK.
* If we don't do this, any bundled chunks may be junked.
*/
if (!sctp_chunk_length_valid(chunk, sizeof(sctp_chunkhdr_t)))
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);
/* Reset init error count upon receipt of COOKIE-ACK,
SCTP_TO(SCTP_EVENT_TIMEOUT_T1_COOKIE));
sctp_add_cmd_sf(commands, SCTP_CMD_NEW_STATE,
SCTP_STATE(SCTP_STATE_ESTABLISHED));
- SCTP_INC_STATS(SCTP_MIB_CURRESTAB);
- SCTP_INC_STATS(SCTP_MIB_ACTIVEESTABS);
+ SCTP_INC_STATS(net, SCTP_MIB_CURRESTAB);
+ SCTP_INC_STATS(net, SCTP_MIB_ACTIVEESTABS);
sctp_add_cmd_sf(commands, SCTP_CMD_HB_TIMERS_START, SCTP_NULL());
if (asoc->autoclose)
sctp_add_cmd_sf(commands, SCTP_CMD_TIMER_START,
}
/* Generate a HEARTBEAT packet on the given transport. */
-sctp_disposition_t sctp_sf_sendbeat_8_3(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_sendbeat_8_3(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
/* CMD_ASSOC_FAILED calls CMD_DELETE_TCB. */
sctp_add_cmd_sf(commands, SCTP_CMD_ASSOC_FAILED,
SCTP_PERR(SCTP_ERROR_NO_ERROR));
- SCTP_INC_STATS(SCTP_MIB_ABORTEDS);
- SCTP_DEC_STATS(SCTP_MIB_CURRESTAB);
+ SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS);
+ SCTP_DEC_STATS(net, SCTP_MIB_CURRESTAB);
return SCTP_DISPOSITION_DELETE_TCB;
}
*
* The return value is the disposition of the chunk.
*/
-sctp_disposition_t sctp_sf_beat_8_3(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_beat_8_3(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
size_t paylen = 0;
if (!sctp_vtag_verify(chunk, asoc))
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
/* Make sure that the HEARTBEAT chunk has a valid length. */
if (!sctp_chunk_length_valid(chunk, sizeof(sctp_heartbeat_chunk_t)))
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);
/* 8.3 The receiver of the HEARTBEAT should immediately
*
* The return value is the disposition of the chunk.
*/
-sctp_disposition_t sctp_sf_backbeat_8_3(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_backbeat_8_3(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
unsigned long max_interval;
if (!sctp_vtag_verify(chunk, asoc))
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
/* Make sure that the HEARTBEAT-ACK chunk has a valid length. */
if (!sctp_chunk_length_valid(chunk, sizeof(sctp_chunkhdr_t) +
sizeof(sctp_sender_hb_info_t)))
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);
hbinfo = (sctp_sender_hb_info_t *) chunk->skb->data;
/* Helper function to send out an abort for the restart
* condition.
*/
-static int sctp_sf_send_restart_abort(union sctp_addr *ssa,
+static int sctp_sf_send_restart_abort(struct net *net, union sctp_addr *ssa,
struct sctp_chunk *init,
sctp_cmd_seq_t *commands)
{
errhdr->length = htons(len);
/* Assign to the control socket. */
- ep = sctp_sk((sctp_get_ctl_sock()))->ep;
+ ep = sctp_sk(net->sctp.ctl_sock)->ep;
/* Association is NULL since this may be a restart attack and we
* want to send back the attacker's vtag.
*/
- pkt = sctp_abort_pkt_new(ep, NULL, init, errhdr, len);
+ pkt = sctp_abort_pkt_new(net, ep, NULL, init, errhdr, len);
if (!pkt)
goto out;
sctp_add_cmd_sf(commands, SCTP_CMD_SEND_PKT, SCTP_PACKET(pkt));
- SCTP_INC_STATS(SCTP_MIB_OUTCTRLCHUNKS);
+ SCTP_INC_STATS(net, SCTP_MIB_OUTCTRLCHUNKS);
/* Discard the rest of the inbound packet. */
sctp_add_cmd_sf(commands, SCTP_CMD_DISCARD_PACKET, SCTP_NULL());
struct sctp_chunk *init,
sctp_cmd_seq_t *commands)
{
+ struct net *net = sock_net(new_asoc->base.sk);
struct sctp_transport *new_addr;
int ret = 1;
transports) {
if (!list_has_sctp_addr(&asoc->peer.transport_addr_list,
&new_addr->ipaddr)) {
- sctp_sf_send_restart_abort(&new_addr->ipaddr, init,
+ sctp_sf_send_restart_abort(net, &new_addr->ipaddr, init,
commands);
ret = 0;
break;
* chunk handling.
*/
static sctp_disposition_t sctp_sf_do_unexpected_init(
+ struct net *net,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
* with an INIT chunk that is bundled with other chunks.
*/
if (!chunk->singleton)
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
/* 3.1 A packet containing an INIT chunk MUST have a zero Verification
* Tag.
*/
if (chunk->sctp_hdr->vtag != 0)
- return sctp_sf_tabort_8_4_8(ep, asoc, type, arg, commands);
+ return sctp_sf_tabort_8_4_8(net, ep, asoc, type, arg, commands);
/* Make sure that the INIT chunk has a valid length.
* In this case, we generate a protocol violation since we have
* an association established.
*/
if (!sctp_chunk_length_valid(chunk, sizeof(sctp_init_chunk_t)))
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);
/* Grab the INIT header. */
chunk->subh.init_hdr = (sctp_inithdr_t *) chunk->skb->data;
/* Verify the INIT chunk before processing it. */
err_chunk = NULL;
- if (!sctp_verify_init(asoc, chunk->chunk_hdr->type,
+ if (!sctp_verify_init(net, asoc, chunk->chunk_hdr->type,
(sctp_init_chunk_t *)chunk->chunk_hdr, chunk,
&err_chunk)) {
/* This chunk contains fatal error. It is to be discarded.
* Send an ABORT, with causes if there is any.
*/
if (err_chunk) {
- packet = sctp_abort_pkt_new(ep, asoc, arg,
+ packet = sctp_abort_pkt_new(net, ep, asoc, arg,
(__u8 *)(err_chunk->chunk_hdr) +
sizeof(sctp_chunkhdr_t),
ntohs(err_chunk->chunk_hdr->length) -
if (packet) {
sctp_add_cmd_sf(commands, SCTP_CMD_SEND_PKT,
SCTP_PACKET(packet));
- SCTP_INC_STATS(SCTP_MIB_OUTCTRLCHUNKS);
+ SCTP_INC_STATS(net, SCTP_MIB_OUTCTRLCHUNKS);
retval = SCTP_DISPOSITION_CONSUME;
} else {
retval = SCTP_DISPOSITION_NOMEM;
}
goto cleanup;
} else {
- return sctp_sf_tabort_8_4_8(ep, asoc, type, arg,
+ return sctp_sf_tabort_8_4_8(net, ep, asoc, type, arg,
commands);
}
}
*
* The return value is the disposition of the chunk.
*/
-sctp_disposition_t sctp_sf_do_5_2_1_siminit(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_do_5_2_1_siminit(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
/* Call helper to do the real work for both simulataneous and
* duplicate INIT chunk handling.
*/
- return sctp_sf_do_unexpected_init(ep, asoc, type, arg, commands);
+ return sctp_sf_do_unexpected_init(net, ep, asoc, type, arg, commands);
}
/*
*
* The return value is the disposition of the chunk.
*/
-sctp_disposition_t sctp_sf_do_5_2_2_dupinit(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_do_5_2_2_dupinit(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
/* Call helper to do the real work for both simulataneous and
* duplicate INIT chunk handling.
*/
- return sctp_sf_do_unexpected_init(ep, asoc, type, arg, commands);
+ return sctp_sf_do_unexpected_init(net, ep, asoc, type, arg, commands);
}
* An unexpected INIT ACK usually indicates the processing of an old or
* duplicated INIT chunk.
*/
-sctp_disposition_t sctp_sf_do_5_2_3_initack(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_do_5_2_3_initack(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg, sctp_cmd_seq_t *commands)
/* Per the above section, we'll discard the chunk if we have an
* endpoint. If this is an OOTB INIT-ACK, treat it as such.
*/
- if (ep == sctp_sk((sctp_get_ctl_sock()))->ep)
- return sctp_sf_ootb(ep, asoc, type, arg, commands);
+ if (ep == sctp_sk(net->sctp.ctl_sock)->ep)
+ return sctp_sf_ootb(net, ep, asoc, type, arg, commands);
else
- return sctp_sf_discard_chunk(ep, asoc, type, arg, commands);
+ return sctp_sf_discard_chunk(net, ep, asoc, type, arg, commands);
}
/* Unexpected COOKIE-ECHO handler for peer restart (Table 2, action 'A')
* Section 5.2.4
* A) In this case, the peer may have restarted.
*/
-static sctp_disposition_t sctp_sf_do_dupcook_a(const struct sctp_endpoint *ep,
+static sctp_disposition_t sctp_sf_do_dupcook_a(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
struct sctp_chunk *chunk,
sctp_cmd_seq_t *commands,
* its peer.
*/
if (sctp_state(asoc, SHUTDOWN_ACK_SENT)) {
- disposition = sctp_sf_do_9_2_reshutack(ep, asoc,
+ disposition = sctp_sf_do_9_2_reshutack(net, ep, asoc,
SCTP_ST_CHUNK(chunk->chunk_hdr->type),
chunk, commands);
if (SCTP_DISPOSITION_NOMEM == disposition)
* after responding to the local endpoint's INIT
*/
/* This case represents an initialization collision. */
-static sctp_disposition_t sctp_sf_do_dupcook_b(const struct sctp_endpoint *ep,
+static sctp_disposition_t sctp_sf_do_dupcook_b(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
struct sctp_chunk *chunk,
sctp_cmd_seq_t *commands,
sctp_add_cmd_sf(commands, SCTP_CMD_UPDATE_ASSOC, SCTP_ASOC(new_asoc));
sctp_add_cmd_sf(commands, SCTP_CMD_NEW_STATE,
SCTP_STATE(SCTP_STATE_ESTABLISHED));
- SCTP_INC_STATS(SCTP_MIB_CURRESTAB);
+ SCTP_INC_STATS(net, SCTP_MIB_CURRESTAB);
sctp_add_cmd_sf(commands, SCTP_CMD_HB_TIMERS_START, SCTP_NULL());
repl = sctp_make_cookie_ack(new_asoc, chunk);
* but a new tag of its own.
*/
/* This case represents an initialization collision. */
-static sctp_disposition_t sctp_sf_do_dupcook_c(const struct sctp_endpoint *ep,
+static sctp_disposition_t sctp_sf_do_dupcook_c(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
struct sctp_chunk *chunk,
sctp_cmd_seq_t *commands,
* enter the ESTABLISHED state, if it has not already done so.
*/
/* This case represents an initialization collision. */
-static sctp_disposition_t sctp_sf_do_dupcook_d(const struct sctp_endpoint *ep,
+static sctp_disposition_t sctp_sf_do_dupcook_d(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
struct sctp_chunk *chunk,
sctp_cmd_seq_t *commands,
SCTP_TO(SCTP_EVENT_TIMEOUT_T1_COOKIE));
sctp_add_cmd_sf(commands, SCTP_CMD_NEW_STATE,
SCTP_STATE(SCTP_STATE_ESTABLISHED));
- SCTP_INC_STATS(SCTP_MIB_CURRESTAB);
+ SCTP_INC_STATS(net, SCTP_MIB_CURRESTAB);
sctp_add_cmd_sf(commands, SCTP_CMD_HB_TIMERS_START,
SCTP_NULL());
*
* The return value is the disposition of the chunk.
*/
-sctp_disposition_t sctp_sf_do_5_2_4_dupcook(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_do_5_2_4_dupcook(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
* done later.
*/
if (!sctp_chunk_length_valid(chunk, sizeof(sctp_chunkhdr_t)))
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);
/* "Decode" the chunk. We have no optional parameters so we
goto nomem;
case -SCTP_IERROR_STALE_COOKIE:
- sctp_send_stale_cookie_err(ep, asoc, chunk, commands,
+ sctp_send_stale_cookie_err(net, ep, asoc, chunk, commands,
err_chk_p);
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
case -SCTP_IERROR_BAD_SIG:
default:
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
}
}
switch (action) {
case 'A': /* Association restart. */
- retval = sctp_sf_do_dupcook_a(ep, asoc, chunk, commands,
+ retval = sctp_sf_do_dupcook_a(net, ep, asoc, chunk, commands,
new_asoc);
break;
case 'B': /* Collision case B. */
- retval = sctp_sf_do_dupcook_b(ep, asoc, chunk, commands,
+ retval = sctp_sf_do_dupcook_b(net, ep, asoc, chunk, commands,
new_asoc);
break;
case 'C': /* Collision case C. */
- retval = sctp_sf_do_dupcook_c(ep, asoc, chunk, commands,
+ retval = sctp_sf_do_dupcook_c(net, ep, asoc, chunk, commands,
new_asoc);
break;
case 'D': /* Collision case D. */
- retval = sctp_sf_do_dupcook_d(ep, asoc, chunk, commands,
+ retval = sctp_sf_do_dupcook_d(net, ep, asoc, chunk, commands,
new_asoc);
break;
default: /* Discard packet for all others. */
- retval = sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ retval = sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
break;
}
* See sctp_sf_do_9_1_abort().
*/
sctp_disposition_t sctp_sf_shutdown_pending_abort(
+ struct net *net,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
struct sctp_chunk *chunk = arg;
if (!sctp_vtag_verify_either(chunk, asoc))
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
/* Make sure that the ABORT chunk has a valid length.
* Since this is an ABORT chunk, we have to discard it
* packet.
*/
if (!sctp_chunk_length_valid(chunk, sizeof(sctp_abort_chunk_t)))
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
/* ADD-IP: Special case for ABORT chunks
* F4) One special consideration is that ABORT Chunks arriving
*/
if (SCTP_ADDR_DEL ==
sctp_bind_addr_state(&asoc->base.bind_addr, &chunk->dest))
- return sctp_sf_discard_chunk(ep, asoc, type, arg, commands);
+ return sctp_sf_discard_chunk(net, ep, asoc, type, arg, commands);
- return __sctp_sf_do_9_1_abort(ep, asoc, type, arg, commands);
+ return __sctp_sf_do_9_1_abort(net, ep, asoc, type, arg, commands);
}
/*
*
* See sctp_sf_do_9_1_abort().
*/
-sctp_disposition_t sctp_sf_shutdown_sent_abort(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_shutdown_sent_abort(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
struct sctp_chunk *chunk = arg;
if (!sctp_vtag_verify_either(chunk, asoc))
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
/* Make sure that the ABORT chunk has a valid length.
* Since this is an ABORT chunk, we have to discard it
* packet.
*/
if (!sctp_chunk_length_valid(chunk, sizeof(sctp_abort_chunk_t)))
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
/* ADD-IP: Special case for ABORT chunks
* F4) One special consideration is that ABORT Chunks arriving
*/
if (SCTP_ADDR_DEL ==
sctp_bind_addr_state(&asoc->base.bind_addr, &chunk->dest))
- return sctp_sf_discard_chunk(ep, asoc, type, arg, commands);
+ return sctp_sf_discard_chunk(net, ep, asoc, type, arg, commands);
/* Stop the T2-shutdown timer. */
sctp_add_cmd_sf(commands, SCTP_CMD_TIMER_STOP,
sctp_add_cmd_sf(commands, SCTP_CMD_TIMER_STOP,
SCTP_TO(SCTP_EVENT_TIMEOUT_T5_SHUTDOWN_GUARD));
- return __sctp_sf_do_9_1_abort(ep, asoc, type, arg, commands);
+ return __sctp_sf_do_9_1_abort(net, ep, asoc, type, arg, commands);
}
/*
* See sctp_sf_do_9_1_abort().
*/
sctp_disposition_t sctp_sf_shutdown_ack_sent_abort(
+ struct net *net,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
/* The same T2 timer, so we should be able to use
* common function with the SHUTDOWN-SENT state.
*/
- return sctp_sf_shutdown_sent_abort(ep, asoc, type, arg, commands);
+ return sctp_sf_shutdown_sent_abort(net, ep, asoc, type, arg, commands);
}
/*
*
* The return value is the disposition of the chunk.
*/
-sctp_disposition_t sctp_sf_cookie_echoed_err(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_cookie_echoed_err(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_errhdr_t *err;
if (!sctp_vtag_verify(chunk, asoc))
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
/* Make sure that the ERROR chunk has a valid length.
* The parameter walking depends on this as well.
*/
if (!sctp_chunk_length_valid(chunk, sizeof(sctp_operr_chunk_t)))
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);
/* Process the error here */
*/
sctp_walk_errors(err, chunk->chunk_hdr) {
if (SCTP_ERROR_STALE_COOKIE == err->cause)
- return sctp_sf_do_5_2_6_stale(ep, asoc, type,
+ return sctp_sf_do_5_2_6_stale(net, ep, asoc, type,
arg, commands);
}
* we are discarding the packet, there should be no adverse
* affects.
*/
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
}
/*
*
* The return value is the disposition of the chunk.
*/
-static sctp_disposition_t sctp_sf_do_5_2_6_stale(const struct sctp_endpoint *ep,
+static sctp_disposition_t sctp_sf_do_5_2_6_stale(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
*
* The return value is the disposition of the chunk.
*/
-sctp_disposition_t sctp_sf_do_9_1_abort(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_do_9_1_abort(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
struct sctp_chunk *chunk = arg;
if (!sctp_vtag_verify_either(chunk, asoc))
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
/* Make sure that the ABORT chunk has a valid length.
* Since this is an ABORT chunk, we have to discard it
* packet.
*/
if (!sctp_chunk_length_valid(chunk, sizeof(sctp_abort_chunk_t)))
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
/* ADD-IP: Special case for ABORT chunks
* F4) One special consideration is that ABORT Chunks arriving
*/
if (SCTP_ADDR_DEL ==
sctp_bind_addr_state(&asoc->base.bind_addr, &chunk->dest))
- return sctp_sf_discard_chunk(ep, asoc, type, arg, commands);
+ return sctp_sf_discard_chunk(net, ep, asoc, type, arg, commands);
- return __sctp_sf_do_9_1_abort(ep, asoc, type, arg, commands);
+ return __sctp_sf_do_9_1_abort(net, ep, asoc, type, arg, commands);
}
-static sctp_disposition_t __sctp_sf_do_9_1_abort(const struct sctp_endpoint *ep,
+static sctp_disposition_t __sctp_sf_do_9_1_abort(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_errhdr_t *err;
sctp_walk_errors(err, chunk->chunk_hdr);
if ((void *)err != (void *)chunk->chunk_end)
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
error = ((sctp_errhdr_t *)chunk->skb->data)->cause;
}
sctp_add_cmd_sf(commands, SCTP_CMD_SET_SK_ERR, SCTP_ERROR(ECONNRESET));
/* ASSOC_FAILED will DELETE_TCB. */
sctp_add_cmd_sf(commands, SCTP_CMD_ASSOC_FAILED, SCTP_PERR(error));
- SCTP_INC_STATS(SCTP_MIB_ABORTEDS);
- SCTP_DEC_STATS(SCTP_MIB_CURRESTAB);
+ SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS);
+ SCTP_DEC_STATS(net, SCTP_MIB_CURRESTAB);
return SCTP_DISPOSITION_ABORT;
}
*
* See sctp_sf_do_9_1_abort() above.
*/
-sctp_disposition_t sctp_sf_cookie_wait_abort(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_cookie_wait_abort(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
__be16 error = SCTP_ERROR_NO_ERROR;
if (!sctp_vtag_verify_either(chunk, asoc))
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
/* Make sure that the ABORT chunk has a valid length.
* Since this is an ABORT chunk, we have to discard it
* packet.
*/
if (!sctp_chunk_length_valid(chunk, sizeof(sctp_abort_chunk_t)))
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
/* See if we have an error cause code in the chunk. */
len = ntohs(chunk->chunk_hdr->length);
if (len >= sizeof(struct sctp_chunkhdr) + sizeof(struct sctp_errhdr))
error = ((sctp_errhdr_t *)chunk->skb->data)->cause;
- return sctp_stop_t1_and_abort(commands, error, ECONNREFUSED, asoc,
+ return sctp_stop_t1_and_abort(net, commands, error, ECONNREFUSED, asoc,
chunk->transport);
}
/*
* Process an incoming ICMP as an ABORT. (COOKIE-WAIT state)
*/
-sctp_disposition_t sctp_sf_cookie_wait_icmp_abort(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_cookie_wait_icmp_abort(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
{
- return sctp_stop_t1_and_abort(commands, SCTP_ERROR_NO_ERROR,
+ return sctp_stop_t1_and_abort(net, commands, SCTP_ERROR_NO_ERROR,
ENOPROTOOPT, asoc,
(struct sctp_transport *)arg);
}
/*
* Process an ABORT. (COOKIE-ECHOED state)
*/
-sctp_disposition_t sctp_sf_cookie_echoed_abort(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_cookie_echoed_abort(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
/* There is a single T1 timer, so we should be able to use
* common function with the COOKIE-WAIT state.
*/
- return sctp_sf_cookie_wait_abort(ep, asoc, type, arg, commands);
+ return sctp_sf_cookie_wait_abort(net, ep, asoc, type, arg, commands);
}
/*
*
* This is common code called by several sctp_sf_*_abort() functions above.
*/
-static sctp_disposition_t sctp_stop_t1_and_abort(sctp_cmd_seq_t *commands,
+static sctp_disposition_t sctp_stop_t1_and_abort(struct net *net,
+ sctp_cmd_seq_t *commands,
__be16 error, int sk_err,
const struct sctp_association *asoc,
struct sctp_transport *transport)
SCTP_DEBUG_PRINTK("ABORT received (INIT).\n");
sctp_add_cmd_sf(commands, SCTP_CMD_NEW_STATE,
SCTP_STATE(SCTP_STATE_CLOSED));
- SCTP_INC_STATS(SCTP_MIB_ABORTEDS);
+ SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS);
sctp_add_cmd_sf(commands, SCTP_CMD_TIMER_STOP,
SCTP_TO(SCTP_EVENT_TIMEOUT_T1_INIT));
sctp_add_cmd_sf(commands, SCTP_CMD_SET_SK_ERR, SCTP_ERROR(sk_err));
*
* The return value is the disposition of the chunk.
*/
-sctp_disposition_t sctp_sf_do_9_2_shutdown(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_do_9_2_shutdown(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
__u32 ctsn;
if (!sctp_vtag_verify(chunk, asoc))
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
/* Make sure that the SHUTDOWN chunk has a valid length. */
if (!sctp_chunk_length_valid(chunk,
sizeof(struct sctp_shutdown_chunk_t)))
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);
/* Convert the elaborate header. */
* sender with an ABORT.
*/
if (!TSN_lt(ctsn, asoc->next_tsn))
- return sctp_sf_violation_ctsn(ep, asoc, type, arg, commands);
+ return sctp_sf_violation_ctsn(net, ep, asoc, type, arg, commands);
/* API 5.3.1.5 SCTP_SHUTDOWN_EVENT
* When a peer sends a SHUTDOWN, SCTP delivers this notification to
disposition = SCTP_DISPOSITION_CONSUME;
if (sctp_outq_is_empty(&asoc->outqueue)) {
- disposition = sctp_sf_do_9_2_shutdown_ack(ep, asoc, type,
+ disposition = sctp_sf_do_9_2_shutdown_ack(net, ep, asoc, type,
arg, commands);
}
* The Cumulative TSN Ack of the received SHUTDOWN chunk
* MUST be processed.
*/
-sctp_disposition_t sctp_sf_do_9_2_shut_ctsn(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_do_9_2_shut_ctsn(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
__u32 ctsn;
if (!sctp_vtag_verify(chunk, asoc))
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
/* Make sure that the SHUTDOWN chunk has a valid length. */
if (!sctp_chunk_length_valid(chunk,
sizeof(struct sctp_shutdown_chunk_t)))
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);
sdh = (sctp_shutdownhdr_t *)chunk->skb->data;
* sender with an ABORT.
*/
if (!TSN_lt(ctsn, asoc->next_tsn))
- return sctp_sf_violation_ctsn(ep, asoc, type, arg, commands);
+ return sctp_sf_violation_ctsn(net, ep, asoc, type, arg, commands);
/* verify, by checking the Cumulative TSN Ack field of the
* chunk, that all its outstanding DATA chunks have been
* that belong to this association, it should discard the INIT chunk and
* retransmit the SHUTDOWN ACK chunk.
*/
-sctp_disposition_t sctp_sf_do_9_2_reshutack(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_do_9_2_reshutack(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
/* Make sure that the chunk has a valid length */
if (!sctp_chunk_length_valid(chunk, sizeof(sctp_chunkhdr_t)))
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);
/* Since we are not going to really process this INIT, there
*
* The return value is the disposition of the chunk.
*/
-sctp_disposition_t sctp_sf_do_ecn_cwr(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_do_ecn_cwr(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
u32 lowest_tsn;
if (!sctp_vtag_verify(chunk, asoc))
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
if (!sctp_chunk_length_valid(chunk, sizeof(sctp_ecne_chunk_t)))
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);
cwr = (sctp_cwrhdr_t *) chunk->skb->data;
*
* The return value is the disposition of the chunk.
*/
-sctp_disposition_t sctp_sf_do_ecne(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_do_ecne(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
struct sctp_chunk *chunk = arg;
if (!sctp_vtag_verify(chunk, asoc))
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
if (!sctp_chunk_length_valid(chunk, sizeof(sctp_ecne_chunk_t)))
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);
ecne = (sctp_ecnehdr_t *) chunk->skb->data;
*
* The return value is the disposition of the chunk.
*/
-sctp_disposition_t sctp_sf_eat_data_6_2(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_eat_data_6_2(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
if (!sctp_vtag_verify(chunk, asoc)) {
sctp_add_cmd_sf(commands, SCTP_CMD_REPORT_BAD_TAG,
SCTP_NULL());
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
}
if (!sctp_chunk_length_valid(chunk, sizeof(sctp_data_chunk_t)))
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);
error = sctp_eat_data(asoc, chunk, commands );
break;
case SCTP_IERROR_HIGH_TSN:
case SCTP_IERROR_BAD_STREAM:
- SCTP_INC_STATS(SCTP_MIB_IN_DATA_CHUNK_DISCARDS);
+ SCTP_INC_STATS(net, SCTP_MIB_IN_DATA_CHUNK_DISCARDS);
goto discard_noforce;
case SCTP_IERROR_DUP_TSN:
case SCTP_IERROR_IGNORE_TSN:
- SCTP_INC_STATS(SCTP_MIB_IN_DATA_CHUNK_DISCARDS);
+ SCTP_INC_STATS(net, SCTP_MIB_IN_DATA_CHUNK_DISCARDS);
goto discard_force;
case SCTP_IERROR_NO_DATA:
goto consume;
case SCTP_IERROR_PROTO_VIOLATION:
- return sctp_sf_abort_violation(ep, asoc, chunk, commands,
+ return sctp_sf_abort_violation(net, ep, asoc, chunk, commands,
(u8 *)chunk->subh.data_hdr, sizeof(sctp_datahdr_t));
default:
BUG();
*
* The return value is the disposition of the chunk.
*/
-sctp_disposition_t sctp_sf_eat_data_fast_4_4(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_eat_data_fast_4_4(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
if (!sctp_vtag_verify(chunk, asoc)) {
sctp_add_cmd_sf(commands, SCTP_CMD_REPORT_BAD_TAG,
SCTP_NULL());
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
}
if (!sctp_chunk_length_valid(chunk, sizeof(sctp_data_chunk_t)))
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);
error = sctp_eat_data(asoc, chunk, commands );
case SCTP_IERROR_NO_DATA:
goto consume;
case SCTP_IERROR_PROTO_VIOLATION:
- return sctp_sf_abort_violation(ep, asoc, chunk, commands,
+ return sctp_sf_abort_violation(net, ep, asoc, chunk, commands,
(u8 *)chunk->subh.data_hdr, sizeof(sctp_datahdr_t));
default:
BUG();
*
* The return value is the disposition of the chunk.
*/
-sctp_disposition_t sctp_sf_eat_sack_6_2(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_eat_sack_6_2(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
__u32 ctsn;
if (!sctp_vtag_verify(chunk, asoc))
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
/* Make sure that the SACK chunk has a valid length. */
if (!sctp_chunk_length_valid(chunk, sizeof(sctp_sack_chunk_t)))
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);
/* Pull the SACK chunk from the data buffer */
sackh = sctp_sm_pull_sack(chunk);
/* Was this a bogus SACK? */
if (!sackh)
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
chunk->subh.sack_hdr = sackh;
ctsn = ntohl(sackh->cum_tsn_ack);
* sender with an ABORT.
*/
if (!TSN_lt(ctsn, asoc->next_tsn))
- return sctp_sf_violation_ctsn(ep, asoc, type, arg, commands);
+ return sctp_sf_violation_ctsn(net, ep, asoc, type, arg, commands);
/* Return this SACK for further processing. */
sctp_add_cmd_sf(commands, SCTP_CMD_PROCESS_SACK, SCTP_SACKH(sackh));
*
* The return value is the disposition of the chunk.
*/
-static sctp_disposition_t sctp_sf_tabort_8_4_8(const struct sctp_endpoint *ep,
+static sctp_disposition_t sctp_sf_tabort_8_4_8(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
struct sctp_chunk *chunk = arg;
struct sctp_chunk *abort;
- packet = sctp_ootb_pkt_new(asoc, chunk);
+ packet = sctp_ootb_pkt_new(net, asoc, chunk);
if (packet) {
/* Make an ABORT. The T bit will be set if the asoc
sctp_add_cmd_sf(commands, SCTP_CMD_SEND_PKT,
SCTP_PACKET(packet));
- SCTP_INC_STATS(SCTP_MIB_OUTCTRLCHUNKS);
+ SCTP_INC_STATS(net, SCTP_MIB_OUTCTRLCHUNKS);
- sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
return SCTP_DISPOSITION_CONSUME;
}
*
* The return value is the disposition of the chunk.
*/
-sctp_disposition_t sctp_sf_operr_notify(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_operr_notify(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_errhdr_t *err;
if (!sctp_vtag_verify(chunk, asoc))
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
/* Make sure that the ERROR chunk has a valid length. */
if (!sctp_chunk_length_valid(chunk, sizeof(sctp_operr_chunk_t)))
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);
sctp_walk_errors(err, chunk->chunk_hdr);
if ((void *)err != (void *)chunk->chunk_end)
- return sctp_sf_violation_paramlen(ep, asoc, type, arg,
+ return sctp_sf_violation_paramlen(net, ep, asoc, type, arg,
(void *)err, commands);
sctp_add_cmd_sf(commands, SCTP_CMD_PROCESS_OPERR,
*
* The return value is the disposition.
*/
-sctp_disposition_t sctp_sf_do_9_2_final(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_do_9_2_final(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
struct sctp_ulpevent *ev;
if (!sctp_vtag_verify(chunk, asoc))
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
/* Make sure that the SHUTDOWN_ACK chunk has a valid length. */
if (!sctp_chunk_length_valid(chunk, sizeof(sctp_chunkhdr_t)))
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);
/* 10.2 H) SHUTDOWN COMPLETE notification
*
sctp_add_cmd_sf(commands, SCTP_CMD_NEW_STATE,
SCTP_STATE(SCTP_STATE_CLOSED));
- SCTP_INC_STATS(SCTP_MIB_SHUTDOWNS);
- SCTP_DEC_STATS(SCTP_MIB_CURRESTAB);
+ SCTP_INC_STATS(net, SCTP_MIB_SHUTDOWNS);
+ SCTP_DEC_STATS(net, SCTP_MIB_CURRESTAB);
sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(reply));
/* ...and remove all record of the association. */
* receiver of the OOTB packet shall discard the OOTB packet and take
* no further action.
*/
-sctp_disposition_t sctp_sf_ootb(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_ootb(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
int ootb_shut_ack = 0;
int ootb_cookie_ack = 0;
- SCTP_INC_STATS(SCTP_MIB_OUTOFBLUES);
+ SCTP_INC_STATS(net, SCTP_MIB_OUTOFBLUES);
ch = (sctp_chunkhdr_t *) chunk->chunk_hdr;
do {
/* Report violation if the chunk is less then minimal */
if (ntohs(ch->length) < sizeof(sctp_chunkhdr_t))
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);
/* Now that we know we at least have a chunk header,
* sending an ABORT of its own.
*/
if (SCTP_CID_ABORT == ch->type)
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
/* RFC 8.4, 7) If the packet contains a "Stale cookie" ERROR
* or a COOKIE ACK the SCTP Packet should be silently
/* Report violation if chunk len overflows */
ch_end = ((__u8 *)ch) + WORD_ROUND(ntohs(ch->length));
if (ch_end > skb_tail_pointer(skb))
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);
ch = (sctp_chunkhdr_t *) ch_end;
} while (ch_end < skb_tail_pointer(skb));
if (ootb_shut_ack)
- return sctp_sf_shut_8_4_5(ep, asoc, type, arg, commands);
+ return sctp_sf_shut_8_4_5(net, ep, asoc, type, arg, commands);
else if (ootb_cookie_ack)
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
else
- return sctp_sf_tabort_8_4_8(ep, asoc, type, arg, commands);
+ return sctp_sf_tabort_8_4_8(net, ep, asoc, type, arg, commands);
}
/*
*
* The return value is the disposition of the chunk.
*/
-static sctp_disposition_t sctp_sf_shut_8_4_5(const struct sctp_endpoint *ep,
+static sctp_disposition_t sctp_sf_shut_8_4_5(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
struct sctp_chunk *chunk = arg;
struct sctp_chunk *shut;
- packet = sctp_ootb_pkt_new(asoc, chunk);
+ packet = sctp_ootb_pkt_new(net, asoc, chunk);
if (packet) {
/* Make an SHUTDOWN_COMPLETE.
sctp_add_cmd_sf(commands, SCTP_CMD_SEND_PKT,
SCTP_PACKET(packet));
- SCTP_INC_STATS(SCTP_MIB_OUTCTRLCHUNKS);
+ SCTP_INC_STATS(net, SCTP_MIB_OUTCTRLCHUNKS);
/* If the chunk length is invalid, we don't want to process
* the reset of the packet.
*/
if (!sctp_chunk_length_valid(chunk, sizeof(sctp_chunkhdr_t)))
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
/* We need to discard the rest of the packet to prevent
* potential bomming attacks from additional bundled chunks.
* This is documented in SCTP Threats ID.
*/
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
}
return SCTP_DISPOSITION_NOMEM;
* chunks. --piggy ]
*
*/
-sctp_disposition_t sctp_sf_do_8_5_1_E_sa(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_do_8_5_1_E_sa(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
/* Make sure that the SHUTDOWN_ACK chunk has a valid length. */
if (!sctp_chunk_length_valid(chunk, sizeof(sctp_chunkhdr_t)))
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);
/* Although we do have an association in this case, it corresponds
* packet and the state function that handles OOTB SHUTDOWN_ACK is
* called with a NULL association.
*/
- SCTP_INC_STATS(SCTP_MIB_OUTOFBLUES);
+ SCTP_INC_STATS(net, SCTP_MIB_OUTOFBLUES);
- return sctp_sf_shut_8_4_5(ep, NULL, type, arg, commands);
+ return sctp_sf_shut_8_4_5(net, ep, NULL, type, arg, commands);
}
/* ADDIP Section 4.2 Upon reception of an ASCONF Chunk. */
-sctp_disposition_t sctp_sf_do_asconf(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_do_asconf(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type, void *arg,
sctp_cmd_seq_t *commands)
if (!sctp_vtag_verify(chunk, asoc)) {
sctp_add_cmd_sf(commands, SCTP_CMD_REPORT_BAD_TAG,
SCTP_NULL());
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
}
/* ADD-IP: Section 4.1.1
* is received unauthenticated it MUST be silently discarded as
* described in [I-D.ietf-tsvwg-sctp-auth].
*/
- if (!sctp_addip_noauth && !chunk->auth)
- return sctp_sf_discard_chunk(ep, asoc, type, arg, commands);
+ if (!net->sctp.addip_noauth && !chunk->auth)
+ return sctp_sf_discard_chunk(net, ep, asoc, type, arg, commands);
/* Make sure that the ASCONF ADDIP chunk has a valid length. */
if (!sctp_chunk_length_valid(chunk, sizeof(sctp_addip_chunk_t)))
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);
hdr = (sctp_addiphdr_t *)chunk->skb->data;
addr_param = (union sctp_addr_param *)hdr->params;
length = ntohs(addr_param->p.length);
if (length < sizeof(sctp_paramhdr_t))
- return sctp_sf_violation_paramlen(ep, asoc, type, arg,
+ return sctp_sf_violation_paramlen(net, ep, asoc, type, arg,
(void *)addr_param, commands);
/* Verify the ASCONF chunk before processing it. */
(sctp_paramhdr_t *)((void *)addr_param + length),
(void *)chunk->chunk_end,
&err_param))
- return sctp_sf_violation_paramlen(ep, asoc, type, arg,
+ return sctp_sf_violation_paramlen(net, ep, asoc, type, arg,
(void *)err_param, commands);
/* ADDIP 5.2 E1) Compare the value of the serial number to the value
* When building TLV parameters for the ASCONF Chunk that will add or
* delete IP addresses the D0 to D13 rules should be applied:
*/
-sctp_disposition_t sctp_sf_do_asconf_ack(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_do_asconf_ack(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type, void *arg,
sctp_cmd_seq_t *commands)
if (!sctp_vtag_verify(asconf_ack, asoc)) {
sctp_add_cmd_sf(commands, SCTP_CMD_REPORT_BAD_TAG,
SCTP_NULL());
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
}
/* ADD-IP, Section 4.1.2:
* is received unauthenticated it MUST be silently discarded as
* described in [I-D.ietf-tsvwg-sctp-auth].
*/
- if (!sctp_addip_noauth && !asconf_ack->auth)
- return sctp_sf_discard_chunk(ep, asoc, type, arg, commands);
+ if (!net->sctp.addip_noauth && !asconf_ack->auth)
+ return sctp_sf_discard_chunk(net, ep, asoc, type, arg, commands);
/* Make sure that the ADDIP chunk has a valid length. */
if (!sctp_chunk_length_valid(asconf_ack, sizeof(sctp_addip_chunk_t)))
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);
addip_hdr = (sctp_addiphdr_t *)asconf_ack->skb->data;
(sctp_paramhdr_t *)addip_hdr->params,
(void *)asconf_ack->chunk_end,
&err_param))
- return sctp_sf_violation_paramlen(ep, asoc, type, arg,
+ return sctp_sf_violation_paramlen(net, ep, asoc, type, arg,
(void *)err_param, commands);
if (last_asconf) {
SCTP_ERROR(ECONNABORTED));
sctp_add_cmd_sf(commands, SCTP_CMD_ASSOC_FAILED,
SCTP_PERR(SCTP_ERROR_ASCONF_ACK));
- SCTP_INC_STATS(SCTP_MIB_ABORTEDS);
- SCTP_DEC_STATS(SCTP_MIB_CURRESTAB);
+ SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS);
+ SCTP_DEC_STATS(net, SCTP_MIB_CURRESTAB);
return SCTP_DISPOSITION_ABORT;
}
SCTP_ERROR(ECONNABORTED));
sctp_add_cmd_sf(commands, SCTP_CMD_ASSOC_FAILED,
SCTP_PERR(SCTP_ERROR_ASCONF_ACK));
- SCTP_INC_STATS(SCTP_MIB_ABORTEDS);
- SCTP_DEC_STATS(SCTP_MIB_CURRESTAB);
+ SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS);
+ SCTP_DEC_STATS(net, SCTP_MIB_CURRESTAB);
return SCTP_DISPOSITION_ABORT;
}
*
* The return value is the disposition of the chunk.
*/
-sctp_disposition_t sctp_sf_eat_fwd_tsn(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_eat_fwd_tsn(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
if (!sctp_vtag_verify(chunk, asoc)) {
sctp_add_cmd_sf(commands, SCTP_CMD_REPORT_BAD_TAG,
SCTP_NULL());
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
}
/* Make sure that the FORWARD_TSN chunk has valid length. */
if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_fwdtsn_chunk)))
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);
fwdtsn_hdr = (struct sctp_fwdtsn_hdr *)chunk->skb->data;
}
sctp_disposition_t sctp_sf_eat_fwd_tsn_fast(
+ struct net *net,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
if (!sctp_vtag_verify(chunk, asoc)) {
sctp_add_cmd_sf(commands, SCTP_CMD_REPORT_BAD_TAG,
SCTP_NULL());
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
}
/* Make sure that the FORWARD_TSN chunk has a valid length. */
if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_fwdtsn_chunk)))
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);
fwdtsn_hdr = (struct sctp_fwdtsn_hdr *)chunk->skb->data;
*
* The return value is the disposition of the chunk.
*/
-static sctp_ierror_t sctp_sf_authenticate(const struct sctp_endpoint *ep,
+static sctp_ierror_t sctp_sf_authenticate(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
struct sctp_chunk *chunk)
return SCTP_IERROR_NOMEM;
}
-sctp_disposition_t sctp_sf_eat_auth(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_eat_auth(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
/* Make sure that the peer has AUTH capable */
if (!asoc->peer.auth_capable)
- return sctp_sf_unk_chunk(ep, asoc, type, arg, commands);
+ return sctp_sf_unk_chunk(net, ep, asoc, type, arg, commands);
if (!sctp_vtag_verify(chunk, asoc)) {
sctp_add_cmd_sf(commands, SCTP_CMD_REPORT_BAD_TAG,
SCTP_NULL());
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
}
/* Make sure that the AUTH chunk has valid length. */
if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_auth_chunk)))
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);
auth_hdr = (struct sctp_authhdr *)chunk->skb->data;
- error = sctp_sf_authenticate(ep, asoc, type, chunk);
+ error = sctp_sf_authenticate(net, ep, asoc, type, chunk);
switch (error) {
case SCTP_IERROR_AUTH_BAD_HMAC:
/* Generate the ERROR chunk and discard the rest
/* Fall Through */
case SCTP_IERROR_AUTH_BAD_KEYID:
case SCTP_IERROR_BAD_SIG:
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
case SCTP_IERROR_PROTO_VIOLATION:
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);
case SCTP_IERROR_NOMEM:
*
* The return value is the disposition of the chunk.
*/
-sctp_disposition_t sctp_sf_unk_chunk(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_unk_chunk(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
SCTP_DEBUG_PRINTK("Processing the unknown chunk id %d.\n", type.chunk);
if (!sctp_vtag_verify(unk_chunk, asoc))
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
/* Make sure that the chunk has a valid length.
* Since we don't know the chunk type, we use a general
* chunkhdr structure to make a comparison.
*/
if (!sctp_chunk_length_valid(unk_chunk, sizeof(sctp_chunkhdr_t)))
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);
switch (type.chunk & SCTP_CID_ACTION_MASK) {
case SCTP_CID_ACTION_DISCARD:
/* Discard the packet. */
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
break;
case SCTP_CID_ACTION_DISCARD_ERR:
/* Generate an ERROR chunk as response. */
}
/* Discard the packet. */
- sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
return SCTP_DISPOSITION_CONSUME;
break;
case SCTP_CID_ACTION_SKIP:
*
* The return value is the disposition of the chunk.
*/
-sctp_disposition_t sctp_sf_discard_chunk(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_discard_chunk(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
* chunkhdr structure to make a comparison.
*/
if (!sctp_chunk_length_valid(chunk, sizeof(sctp_chunkhdr_t)))
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);
SCTP_DEBUG_PRINTK("Chunk %d is discarded\n", type.chunk);
*
* The return value is the disposition of the chunk.
*/
-sctp_disposition_t sctp_sf_pdiscard(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_pdiscard(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
{
- SCTP_INC_STATS(SCTP_MIB_IN_PKT_DISCARDS);
+ SCTP_INC_STATS(net, SCTP_MIB_IN_PKT_DISCARDS);
sctp_add_cmd_sf(commands, SCTP_CMD_DISCARD_PACKET, SCTP_NULL());
return SCTP_DISPOSITION_CONSUME;
* We simply tag the chunk as a violation. The state machine will log
* the violation and continue.
*/
-sctp_disposition_t sctp_sf_violation(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_violation(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
/* Make sure that the chunk has a valid length. */
if (!sctp_chunk_length_valid(chunk, sizeof(sctp_chunkhdr_t)))
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);
return SCTP_DISPOSITION_VIOLATION;
* Common function to handle a protocol violation.
*/
static sctp_disposition_t sctp_sf_abort_violation(
+ struct net *net,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
void *arg,
}
sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(abort));
- SCTP_INC_STATS(SCTP_MIB_OUTCTRLCHUNKS);
+ SCTP_INC_STATS(net, SCTP_MIB_OUTCTRLCHUNKS);
if (asoc->state <= SCTP_STATE_COOKIE_ECHOED) {
sctp_add_cmd_sf(commands, SCTP_CMD_TIMER_STOP,
SCTP_ERROR(ECONNABORTED));
sctp_add_cmd_sf(commands, SCTP_CMD_ASSOC_FAILED,
SCTP_PERR(SCTP_ERROR_PROTO_VIOLATION));
- SCTP_DEC_STATS(SCTP_MIB_CURRESTAB);
+ SCTP_DEC_STATS(net, SCTP_MIB_CURRESTAB);
}
} else {
- packet = sctp_ootb_pkt_new(asoc, chunk);
+ packet = sctp_ootb_pkt_new(net, asoc, chunk);
if (!packet)
goto nomem_pkt;
sctp_add_cmd_sf(commands, SCTP_CMD_SEND_PKT,
SCTP_PACKET(packet));
- SCTP_INC_STATS(SCTP_MIB_OUTCTRLCHUNKS);
+ SCTP_INC_STATS(net, SCTP_MIB_OUTCTRLCHUNKS);
}
- SCTP_INC_STATS(SCTP_MIB_ABORTEDS);
+ SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS);
discard:
- sctp_sf_pdiscard(ep, asoc, SCTP_ST_CHUNK(0), arg, commands);
+ sctp_sf_pdiscard(net, ep, asoc, SCTP_ST_CHUNK(0), arg, commands);
return SCTP_DISPOSITION_ABORT;
nomem_pkt:
* Generate an ABORT chunk and terminate the association.
*/
static sctp_disposition_t sctp_sf_violation_chunklen(
+ struct net *net,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
{
static const char err_str[]="The following chunk had invalid length:";
- return sctp_sf_abort_violation(ep, asoc, arg, commands, err_str,
+ return sctp_sf_abort_violation(net, ep, asoc, arg, commands, err_str,
sizeof(err_str));
}
* the length is considered as invalid.
*/
static sctp_disposition_t sctp_sf_violation_paramlen(
+ struct net *net,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
goto nomem;
sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(abort));
- SCTP_INC_STATS(SCTP_MIB_OUTCTRLCHUNKS);
+ SCTP_INC_STATS(net, SCTP_MIB_OUTCTRLCHUNKS);
sctp_add_cmd_sf(commands, SCTP_CMD_SET_SK_ERR,
SCTP_ERROR(ECONNABORTED));
sctp_add_cmd_sf(commands, SCTP_CMD_ASSOC_FAILED,
SCTP_PERR(SCTP_ERROR_PROTO_VIOLATION));
- SCTP_DEC_STATS(SCTP_MIB_CURRESTAB);
- SCTP_INC_STATS(SCTP_MIB_ABORTEDS);
+ SCTP_DEC_STATS(net, SCTP_MIB_CURRESTAB);
+ SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS);
discard:
- sctp_sf_pdiscard(ep, asoc, SCTP_ST_CHUNK(0), arg, commands);
+ sctp_sf_pdiscard(net, ep, asoc, SCTP_ST_CHUNK(0), arg, commands);
return SCTP_DISPOSITION_ABORT;
nomem:
return SCTP_DISPOSITION_NOMEM;
* error code.
*/
static sctp_disposition_t sctp_sf_violation_ctsn(
+ struct net *net,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
{
static const char err_str[]="The cumulative tsn ack beyond the max tsn currently sent:";
- return sctp_sf_abort_violation(ep, asoc, arg, commands, err_str,
+ return sctp_sf_abort_violation(net, ep, asoc, arg, commands, err_str,
sizeof(err_str));
}
* on the path and we may not want to continue this communication.
*/
static sctp_disposition_t sctp_sf_violation_chunk(
+ struct net *net,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
static const char err_str[]="The following chunk violates protocol:";
if (!asoc)
- return sctp_sf_violation(ep, asoc, type, arg, commands);
+ return sctp_sf_violation(net, ep, asoc, type, arg, commands);
- return sctp_sf_abort_violation(ep, asoc, arg, commands, err_str,
+ return sctp_sf_abort_violation(net, ep, asoc, arg, commands, err_str,
sizeof(err_str));
}
/***************************************************************************
*
* The return value is a disposition.
*/
-sctp_disposition_t sctp_sf_do_prm_asoc(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_do_prm_asoc(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
*
* The return value is the disposition.
*/
-sctp_disposition_t sctp_sf_do_prm_send(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_do_prm_send(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
* The return value is the disposition.
*/
sctp_disposition_t sctp_sf_do_9_2_prm_shutdown(
+ struct net *net,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
disposition = SCTP_DISPOSITION_CONSUME;
if (sctp_outq_is_empty(&asoc->outqueue)) {
- disposition = sctp_sf_do_9_2_start_shutdown(ep, asoc, type,
+ disposition = sctp_sf_do_9_2_start_shutdown(net, ep, asoc, type,
arg, commands);
}
return disposition;
* The return value is the disposition.
*/
sctp_disposition_t sctp_sf_do_9_1_prm_abort(
+ struct net *net,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
sctp_add_cmd_sf(commands, SCTP_CMD_ASSOC_FAILED,
SCTP_PERR(SCTP_ERROR_USER_ABORT));
- SCTP_INC_STATS(SCTP_MIB_ABORTEDS);
- SCTP_DEC_STATS(SCTP_MIB_CURRESTAB);
+ SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS);
+ SCTP_DEC_STATS(net, SCTP_MIB_CURRESTAB);
return retval;
}
/* We tried an illegal operation on an association which is closed. */
-sctp_disposition_t sctp_sf_error_closed(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_error_closed(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
/* We tried an illegal operation on an association which is shutting
* down.
*/
-sctp_disposition_t sctp_sf_error_shutdown(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_error_shutdown(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
* (timers)
*/
sctp_disposition_t sctp_sf_cookie_wait_prm_shutdown(
+ struct net *net,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
sctp_add_cmd_sf(commands, SCTP_CMD_NEW_STATE,
SCTP_STATE(SCTP_STATE_CLOSED));
- SCTP_INC_STATS(SCTP_MIB_SHUTDOWNS);
+ SCTP_INC_STATS(net, SCTP_MIB_SHUTDOWNS);
sctp_add_cmd_sf(commands, SCTP_CMD_DELETE_TCB, SCTP_NULL());
* (timers)
*/
sctp_disposition_t sctp_sf_cookie_echoed_prm_shutdown(
+ struct net *net,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
/* There is a single T1 timer, so we should be able to use
* common function with the COOKIE-WAIT state.
*/
- return sctp_sf_cookie_wait_prm_shutdown(ep, asoc, type, arg, commands);
+ return sctp_sf_cookie_wait_prm_shutdown(net, ep, asoc, type, arg, commands);
}
/*
* (timers)
*/
sctp_disposition_t sctp_sf_cookie_wait_prm_abort(
+ struct net *net,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
sctp_add_cmd_sf(commands, SCTP_CMD_NEW_STATE,
SCTP_STATE(SCTP_STATE_CLOSED));
- SCTP_INC_STATS(SCTP_MIB_ABORTEDS);
+ SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS);
/* Even if we can't send the ABORT due to low memory delete the
* TCB. This is a departure from our typical NOMEM handling.
* (timers)
*/
sctp_disposition_t sctp_sf_cookie_echoed_prm_abort(
+ struct net *net,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
/* There is a single T1 timer, so we should be able to use
* common function with the COOKIE-WAIT state.
*/
- return sctp_sf_cookie_wait_prm_abort(ep, asoc, type, arg, commands);
+ return sctp_sf_cookie_wait_prm_abort(net, ep, asoc, type, arg, commands);
}
/*
* (timers)
*/
sctp_disposition_t sctp_sf_shutdown_pending_prm_abort(
+ struct net *net,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
sctp_add_cmd_sf(commands, SCTP_CMD_TIMER_STOP,
SCTP_TO(SCTP_EVENT_TIMEOUT_T5_SHUTDOWN_GUARD));
- return sctp_sf_do_9_1_prm_abort(ep, asoc, type, arg, commands);
+ return sctp_sf_do_9_1_prm_abort(net, ep, asoc, type, arg, commands);
}
/*
* (timers)
*/
sctp_disposition_t sctp_sf_shutdown_sent_prm_abort(
+ struct net *net,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
sctp_add_cmd_sf(commands, SCTP_CMD_TIMER_STOP,
SCTP_TO(SCTP_EVENT_TIMEOUT_T5_SHUTDOWN_GUARD));
- return sctp_sf_do_9_1_prm_abort(ep, asoc, type, arg, commands);
+ return sctp_sf_do_9_1_prm_abort(net, ep, asoc, type, arg, commands);
}
/*
* (timers)
*/
sctp_disposition_t sctp_sf_shutdown_ack_sent_prm_abort(
+ struct net *net,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
/* The same T2 timer, so we should be able to use
* common function with the SHUTDOWN-SENT state.
*/
- return sctp_sf_shutdown_sent_prm_abort(ep, asoc, type, arg, commands);
+ return sctp_sf_shutdown_sent_prm_abort(net, ep, asoc, type, arg, commands);
}
/*
* association on which a heartbeat should be issued.
*/
sctp_disposition_t sctp_sf_do_prm_requestheartbeat(
+ struct net *net,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
* When an endpoint has an ASCONF signaled change to be sent to the
* remote endpoint it should do A1 to A9
*/
-sctp_disposition_t sctp_sf_do_prm_asconf(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_do_prm_asconf(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
* The return value is the disposition of the primitive.
*/
sctp_disposition_t sctp_sf_ignore_primitive(
+ struct net *net,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
* retransmit, the stack will immediately send up this notification.
*/
sctp_disposition_t sctp_sf_do_no_pending_tsn(
+ struct net *net,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
* The return value is the disposition.
*/
sctp_disposition_t sctp_sf_do_9_2_start_shutdown(
+ struct net *net,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
* The return value is the disposition.
*/
sctp_disposition_t sctp_sf_do_9_2_shutdown_ack(
+ struct net *net,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
*/
if (chunk) {
if (!sctp_vtag_verify(chunk, asoc))
- return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
/* Make sure that the SHUTDOWN chunk has a valid length. */
if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_shutdown_chunk_t)))
- return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+ return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
commands);
}
*
* The return value is the disposition of the event.
*/
-sctp_disposition_t sctp_sf_ignore_other(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_ignore_other(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
*
* The return value is the disposition of the chunk.
*/
-sctp_disposition_t sctp_sf_do_6_3_3_rtx(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_do_6_3_3_rtx(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
{
struct sctp_transport *transport = arg;
- SCTP_INC_STATS(SCTP_MIB_T3_RTX_EXPIREDS);
+ SCTP_INC_STATS(net, SCTP_MIB_T3_RTX_EXPIREDS);
if (asoc->overall_error_count >= asoc->max_retrans) {
if (asoc->state == SCTP_STATE_SHUTDOWN_PENDING) {
/* CMD_ASSOC_FAILED calls CMD_DELETE_TCB. */
sctp_add_cmd_sf(commands, SCTP_CMD_ASSOC_FAILED,
SCTP_PERR(SCTP_ERROR_NO_ERROR));
- SCTP_INC_STATS(SCTP_MIB_ABORTEDS);
- SCTP_DEC_STATS(SCTP_MIB_CURRESTAB);
+ SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS);
+ SCTP_DEC_STATS(net, SCTP_MIB_CURRESTAB);
return SCTP_DISPOSITION_DELETE_TCB;
}
}
* allow. However, an SCTP transmitter MUST NOT be more aggressive than
* the following algorithms allow.
*/
-sctp_disposition_t sctp_sf_do_6_2_sack(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_do_6_2_sack(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
sctp_cmd_seq_t *commands)
{
- SCTP_INC_STATS(SCTP_MIB_DELAY_SACK_EXPIREDS);
+ SCTP_INC_STATS(net, SCTP_MIB_DELAY_SACK_EXPIREDS);
sctp_add_cmd_sf(commands, SCTP_CMD_GEN_SACK, SCTP_FORCE());
return SCTP_DISPOSITION_CONSUME;
}
* (timers, events)
*
*/
-sctp_disposition_t sctp_sf_t1_init_timer_expire(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_t1_init_timer_expire(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
int attempts = asoc->init_err_counter + 1;
SCTP_DEBUG_PRINTK("Timer T1 expired (INIT).\n");
- SCTP_INC_STATS(SCTP_MIB_T1_INIT_EXPIREDS);
+ SCTP_INC_STATS(net, SCTP_MIB_T1_INIT_EXPIREDS);
if (attempts <= asoc->max_init_attempts) {
bp = (struct sctp_bind_addr *) &asoc->base.bind_addr;
* (timers, events)
*
*/
-sctp_disposition_t sctp_sf_t1_cookie_timer_expire(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_t1_cookie_timer_expire(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
int attempts = asoc->init_err_counter + 1;
SCTP_DEBUG_PRINTK("Timer T1 expired (COOKIE-ECHO).\n");
- SCTP_INC_STATS(SCTP_MIB_T1_COOKIE_EXPIREDS);
+ SCTP_INC_STATS(net, SCTP_MIB_T1_COOKIE_EXPIREDS);
if (attempts <= asoc->max_init_attempts) {
repl = sctp_make_cookie_echo(asoc, NULL);
* the T2-Shutdown timer, giving its peer ample opportunity to transmit
* all of its queued DATA chunks that have not yet been sent.
*/
-sctp_disposition_t sctp_sf_t2_timer_expire(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_t2_timer_expire(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
struct sctp_chunk *reply = NULL;
SCTP_DEBUG_PRINTK("Timer T2 expired.\n");
- SCTP_INC_STATS(SCTP_MIB_T2_SHUTDOWN_EXPIREDS);
+ SCTP_INC_STATS(net, SCTP_MIB_T2_SHUTDOWN_EXPIREDS);
((struct sctp_association *)asoc)->shutdown_retries++;
/* Note: CMD_ASSOC_FAILED calls CMD_DELETE_TCB. */
sctp_add_cmd_sf(commands, SCTP_CMD_ASSOC_FAILED,
SCTP_PERR(SCTP_ERROR_NO_ERROR));
- SCTP_INC_STATS(SCTP_MIB_ABORTEDS);
- SCTP_DEC_STATS(SCTP_MIB_CURRESTAB);
+ SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS);
+ SCTP_DEC_STATS(net, SCTP_MIB_CURRESTAB);
return SCTP_DISPOSITION_DELETE_TCB;
}
* If the T4 RTO timer expires the endpoint should do B1 to B5
*/
sctp_disposition_t sctp_sf_t4_timer_expire(
+ struct net *net,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
struct sctp_chunk *chunk = asoc->addip_last_asconf;
struct sctp_transport *transport = chunk->transport;
- SCTP_INC_STATS(SCTP_MIB_T4_RTO_EXPIREDS);
+ SCTP_INC_STATS(net, SCTP_MIB_T4_RTO_EXPIREDS);
/* ADDIP 4.1 B1) Increment the error counters and perform path failure
* detection on the appropriate destination address as defined in
SCTP_ERROR(ETIMEDOUT));
sctp_add_cmd_sf(commands, SCTP_CMD_ASSOC_FAILED,
SCTP_PERR(SCTP_ERROR_NO_ERROR));
- SCTP_INC_STATS(SCTP_MIB_ABORTEDS);
- SCTP_DEC_STATS(SCTP_MIB_CURRESTAB);
+ SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS);
+ SCTP_DEC_STATS(net, SCTP_MIB_CURRESTAB);
return SCTP_DISPOSITION_ABORT;
}
* At the expiration of this timer the sender SHOULD abort the association
* by sending an ABORT chunk.
*/
-sctp_disposition_t sctp_sf_t5_timer_expire(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_t5_timer_expire(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
struct sctp_chunk *reply = NULL;
SCTP_DEBUG_PRINTK("Timer T5 expired.\n");
- SCTP_INC_STATS(SCTP_MIB_T5_SHUTDOWN_GUARD_EXPIREDS);
+ SCTP_INC_STATS(net, SCTP_MIB_T5_SHUTDOWN_GUARD_EXPIREDS);
reply = sctp_make_abort(asoc, NULL, 0);
if (!reply)
sctp_add_cmd_sf(commands, SCTP_CMD_ASSOC_FAILED,
SCTP_PERR(SCTP_ERROR_NO_ERROR));
- SCTP_INC_STATS(SCTP_MIB_ABORTEDS);
- SCTP_DEC_STATS(SCTP_MIB_CURRESTAB);
+ SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS);
+ SCTP_DEC_STATS(net, SCTP_MIB_CURRESTAB);
return SCTP_DISPOSITION_DELETE_TCB;
nomem:
* the user. So this routine looks same as sctp_sf_do_9_2_prm_shutdown().
*/
sctp_disposition_t sctp_sf_autoclose_timer_expire(
+ struct net *net,
const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
{
int disposition;
- SCTP_INC_STATS(SCTP_MIB_AUTOCLOSE_EXPIREDS);
+ SCTP_INC_STATS(net, SCTP_MIB_AUTOCLOSE_EXPIREDS);
/* From 9.2 Shutdown of an Association
* Upon receipt of the SHUTDOWN primitive from its upper
disposition = SCTP_DISPOSITION_CONSUME;
if (sctp_outq_is_empty(&asoc->outqueue)) {
- disposition = sctp_sf_do_9_2_start_shutdown(ep, asoc, type,
+ disposition = sctp_sf_do_9_2_start_shutdown(net, ep, asoc, type,
arg, commands);
}
return disposition;
*
* The return value is the disposition of the chunk.
*/
-sctp_disposition_t sctp_sf_not_impl(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_not_impl(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
*
* The return value is the disposition of the chunk.
*/
-sctp_disposition_t sctp_sf_bug(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_bug(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
*
* The return value is the disposition of the chunk.
*/
-sctp_disposition_t sctp_sf_timer_ignore(const struct sctp_endpoint *ep,
+sctp_disposition_t sctp_sf_timer_ignore(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const sctp_subtype_t type,
void *arg,
/* Create an ABORT packet to be sent as a response, with the specified
* error causes.
*/
-static struct sctp_packet *sctp_abort_pkt_new(const struct sctp_endpoint *ep,
+static struct sctp_packet *sctp_abort_pkt_new(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
struct sctp_chunk *chunk,
const void *payload,
struct sctp_packet *packet;
struct sctp_chunk *abort;
- packet = sctp_ootb_pkt_new(asoc, chunk);
+ packet = sctp_ootb_pkt_new(net, asoc, chunk);
if (packet) {
/* Make an ABORT.
}
/* Allocate a packet for responding in the OOTB conditions. */
-static struct sctp_packet *sctp_ootb_pkt_new(const struct sctp_association *asoc,
+static struct sctp_packet *sctp_ootb_pkt_new(struct net *net,
+ const struct sctp_association *asoc,
const struct sctp_chunk *chunk)
{
struct sctp_packet *packet;
}
/* Make a transport for the bucket, Eliza... */
- transport = sctp_transport_new(sctp_source(chunk), GFP_ATOMIC);
+ transport = sctp_transport_new(net, sctp_source(chunk), GFP_ATOMIC);
if (!transport)
goto nomem;
* the source address.
*/
sctp_transport_route(transport, (union sctp_addr *)&chunk->dest,
- sctp_sk(sctp_get_ctl_sock()));
+ sctp_sk(net->sctp.ctl_sock));
packet = sctp_packet_init(&transport->packet, transport, sport, dport);
packet = sctp_packet_config(packet, vtag, 0);
}
/* Send a stale cookie error when a invalid COOKIE ECHO chunk is found */
-static void sctp_send_stale_cookie_err(const struct sctp_endpoint *ep,
+static void sctp_send_stale_cookie_err(struct net *net,
+ const struct sctp_endpoint *ep,
const struct sctp_association *asoc,
const struct sctp_chunk *chunk,
sctp_cmd_seq_t *commands,
struct sctp_packet *packet;
if (err_chunk) {
- packet = sctp_ootb_pkt_new(asoc, chunk);
+ packet = sctp_ootb_pkt_new(net, asoc, chunk);
if (packet) {
struct sctp_signed_cookie *cookie;
sctp_packet_append_chunk(packet, err_chunk);
sctp_add_cmd_sf(commands, SCTP_CMD_SEND_PKT,
SCTP_PACKET(packet));
- SCTP_INC_STATS(SCTP_MIB_OUTCTRLCHUNKS);
+ SCTP_INC_STATS(net, SCTP_MIB_OUTCTRLCHUNKS);
} else
sctp_chunk_free (err_chunk);
}
__u32 tsn;
struct sctp_tsnmap *map = (struct sctp_tsnmap *)&asoc->peer.tsn_map;
struct sock *sk = asoc->base.sk;
+ struct net *net = sock_net(sk);
u16 ssn;
u16 sid;
u8 ordered = 0;
SCTP_ERROR(ECONNABORTED));
sctp_add_cmd_sf(commands, SCTP_CMD_ASSOC_FAILED,
SCTP_PERR(SCTP_ERROR_NO_DATA));
- SCTP_INC_STATS(SCTP_MIB_ABORTEDS);
- SCTP_DEC_STATS(SCTP_MIB_CURRESTAB);
+ SCTP_INC_STATS(net, SCTP_MIB_ABORTEDS);
+ SCTP_DEC_STATS(net, SCTP_MIB_CURRESTAB);
return SCTP_IERROR_NO_DATA;
}
* if we renege and the chunk arrives again.
*/
if (chunk->chunk_hdr->flags & SCTP_DATA_UNORDERED)
- SCTP_INC_STATS(SCTP_MIB_INUNORDERCHUNKS);
+ SCTP_INC_STATS(net, SCTP_MIB_INUNORDERCHUNKS);
else {
- SCTP_INC_STATS(SCTP_MIB_INORDERCHUNKS);
+ SCTP_INC_STATS(net, SCTP_MIB_INORDERCHUNKS);
ordered = 1;
}
static const sctp_sm_table_entry_t
timeout_event_table[SCTP_NUM_TIMEOUT_TYPES][SCTP_STATE_NUM_STATES];
-static const sctp_sm_table_entry_t *sctp_chunk_event_lookup(sctp_cid_t cid,
+static const sctp_sm_table_entry_t *sctp_chunk_event_lookup(struct net *net,
+ sctp_cid_t cid,
sctp_state_t state);
rtn; \
})
-const sctp_sm_table_entry_t *sctp_sm_lookup_event(sctp_event_t event_type,
+const sctp_sm_table_entry_t *sctp_sm_lookup_event(struct net *net,
+ sctp_event_t event_type,
sctp_state_t state,
sctp_subtype_t event_subtype)
{
switch (event_type) {
case SCTP_EVENT_T_CHUNK:
- return sctp_chunk_event_lookup(event_subtype.chunk, state);
+ return sctp_chunk_event_lookup(net, event_subtype.chunk, state);
case SCTP_EVENT_T_TIMEOUT:
return DO_LOOKUP(SCTP_EVENT_TIMEOUT_MAX, timeout,
timeout_event_table);
TYPE_SCTP_EVENT_TIMEOUT_AUTOCLOSE,
};
-static const sctp_sm_table_entry_t *sctp_chunk_event_lookup(sctp_cid_t cid,
+static const sctp_sm_table_entry_t *sctp_chunk_event_lookup(struct net *net,
+ sctp_cid_t cid,
sctp_state_t state)
{
if (state > SCTP_STATE_MAX)
if (cid <= SCTP_CID_BASE_MAX)
return &chunk_event_table[cid][state];
- if (sctp_prsctp_enable) {
+ if (net->sctp.prsctp_enable) {
if (cid == SCTP_CID_FWD_TSN)
return &prsctp_chunk_event_table[0][state];
}
- if (sctp_addip_enable) {
+ if (net->sctp.addip_enable) {
if (cid == SCTP_CID_ASCONF)
return &addip_chunk_event_table[0][state];
return &addip_chunk_event_table[1][state];
}
- if (sctp_auth_enable) {
+ if (net->sctp.auth_enable) {
if (cid == SCTP_CID_AUTH)
return &auth_chunk_event_table[0][state];
}
static int sctp_send_asconf(struct sctp_association *asoc,
struct sctp_chunk *chunk)
{
+ struct net *net = sock_net(asoc->base.sk);
int retval = 0;
/* If there is an outstanding ASCONF chunk, queue it for later
/* Hold the chunk until an ASCONF_ACK is received. */
sctp_chunk_hold(chunk);
- retval = sctp_primitive_ASCONF(asoc, chunk);
+ retval = sctp_primitive_ASCONF(net, asoc, chunk);
if (retval)
sctp_chunk_free(chunk);
else
struct sockaddr *addrs,
int addrcnt)
{
+ struct net *net = sock_net(sk);
struct sctp_sock *sp;
struct sctp_endpoint *ep;
struct sctp_association *asoc;
int i;
int retval = 0;
- if (!sctp_addip_enable)
+ if (!net->sctp.addip_enable)
return retval;
sp = sctp_sk(sk);
struct sockaddr *addrs,
int addrcnt)
{
+ struct net *net = sock_net(sk);
struct sctp_sock *sp;
struct sctp_endpoint *ep;
struct sctp_association *asoc;
int stored = 0;
chunk = NULL;
- if (!sctp_addip_enable)
+ if (!net->sctp.addip_enable)
return retval;
sp = sctp_sk(sk);
int addrs_size,
sctp_assoc_t *assoc_id)
{
+ struct net *net = sock_net(sk);
struct sctp_sock *sp;
struct sctp_endpoint *ep;
struct sctp_association *asoc = NULL;
goto out_free;
}
- err = sctp_primitive_ASSOCIATE(asoc, NULL);
+ err = sctp_primitive_ASSOCIATE(net, asoc, NULL);
if (err < 0) {
goto out_free;
}
*/
SCTP_STATIC void sctp_close(struct sock *sk, long timeout)
{
+ struct net *net = sock_net(sk);
struct sctp_endpoint *ep;
struct sctp_association *asoc;
struct list_head *pos, *temp;
chunk = sctp_make_abort_user(asoc, NULL, 0);
if (chunk)
- sctp_primitive_ABORT(asoc, chunk);
+ sctp_primitive_ABORT(net, asoc, chunk);
} else
- sctp_primitive_SHUTDOWN(asoc, NULL);
+ sctp_primitive_SHUTDOWN(net, asoc, NULL);
}
/* On a TCP-style socket, block for at most linger_time if set. */
SCTP_STATIC int sctp_sendmsg(struct kiocb *iocb, struct sock *sk,
struct msghdr *msg, size_t msg_len)
{
+ struct net *net = sock_net(sk);
struct sctp_sock *sp;
struct sctp_endpoint *ep;
struct sctp_association *new_asoc=NULL, *asoc=NULL;
if (sinfo_flags & SCTP_EOF) {
SCTP_DEBUG_PRINTK("Shutting down association: %p\n",
asoc);
- sctp_primitive_SHUTDOWN(asoc, NULL);
+ sctp_primitive_SHUTDOWN(net, asoc, NULL);
err = 0;
goto out_unlock;
}
}
SCTP_DEBUG_PRINTK("Aborting association: %p\n", asoc);
- sctp_primitive_ABORT(asoc, chunk);
+ sctp_primitive_ABORT(net, asoc, chunk);
err = 0;
goto out_unlock;
}
/* Auto-connect, if we aren't connected already. */
if (sctp_state(asoc, CLOSED)) {
- err = sctp_primitive_ASSOCIATE(asoc, NULL);
+ err = sctp_primitive_ASSOCIATE(net, asoc, NULL);
if (err < 0)
goto out_free;
SCTP_DEBUG_PRINTK("We associated primitively.\n");
* works that way today. Keep it that way or this
* breaks.
*/
- err = sctp_primitive_SEND(asoc, datamsg);
+ err = sctp_primitive_SEND(net, asoc, datamsg);
/* Did the lower layer accept the chunk? */
if (err)
sctp_datamsg_free(datamsg);
int error;
if (params->spp_flags & SPP_HB_DEMAND && trans) {
- error = sctp_primitive_REQUESTHEARTBEAT (trans->asoc, trans);
+ struct net *net = sock_net(trans->asoc->base.sk);
+
+ error = sctp_primitive_REQUESTHEARTBEAT(net, trans->asoc, trans);
if (error)
return error;
}
static int sctp_setsockopt_peer_primary_addr(struct sock *sk, char __user *optval,
unsigned int optlen)
{
+ struct net *net = sock_net(sk);
struct sctp_sock *sp;
struct sctp_association *asoc = NULL;
struct sctp_setpeerprim prim;
sp = sctp_sk(sk);
- if (!sctp_addip_enable)
+ if (!net->sctp.addip_enable)
return -EPERM;
if (optlen != sizeof(struct sctp_setpeerprim))
char __user *optval,
unsigned int optlen)
{
+ struct net *net = sock_net(sk);
struct sctp_authchunk val;
- if (!sctp_auth_enable)
+ if (!net->sctp.auth_enable)
return -EACCES;
if (optlen != sizeof(struct sctp_authchunk))
char __user *optval,
unsigned int optlen)
{
+ struct net *net = sock_net(sk);
struct sctp_hmacalgo *hmacs;
u32 idents;
int err;
- if (!sctp_auth_enable)
+ if (!net->sctp.auth_enable)
return -EACCES;
if (optlen < sizeof(struct sctp_hmacalgo))
char __user *optval,
unsigned int optlen)
{
+ struct net *net = sock_net(sk);
struct sctp_authkey *authkey;
struct sctp_association *asoc;
int ret;
- if (!sctp_auth_enable)
+ if (!net->sctp.auth_enable)
return -EACCES;
if (optlen <= sizeof(struct sctp_authkey))
char __user *optval,
unsigned int optlen)
{
+ struct net *net = sock_net(sk);
struct sctp_authkeyid val;
struct sctp_association *asoc;
- if (!sctp_auth_enable)
+ if (!net->sctp.auth_enable)
return -EACCES;
if (optlen != sizeof(struct sctp_authkeyid))
char __user *optval,
unsigned int optlen)
{
+ struct net *net = sock_net(sk);
struct sctp_authkeyid val;
struct sctp_association *asoc;
- if (!sctp_auth_enable)
+ if (!net->sctp.auth_enable)
return -EACCES;
if (optlen != sizeof(struct sctp_authkeyid))
sp->do_auto_asconf = 0;
} else if (val && !sp->do_auto_asconf) {
list_add_tail(&sp->auto_asconf_list,
- &sctp_auto_asconf_splist);
+ &sock_net(sk)->sctp.auto_asconf_splist);
sp->do_auto_asconf = 1;
}
return 0;
*/
SCTP_STATIC int sctp_init_sock(struct sock *sk)
{
+ struct net *net = sock_net(sk);
struct sctp_endpoint *ep;
struct sctp_sock *sp;
sp->default_timetolive = 0;
sp->default_rcv_context = 0;
- sp->max_burst = sctp_max_burst;
+ sp->max_burst = net->sctp.max_burst;
/* Initialize default setup parameters. These parameters
* can be modified with the SCTP_INITMSG socket option or
*/
sp->initmsg.sinit_num_ostreams = sctp_max_outstreams;
sp->initmsg.sinit_max_instreams = sctp_max_instreams;
- sp->initmsg.sinit_max_attempts = sctp_max_retrans_init;
- sp->initmsg.sinit_max_init_timeo = sctp_rto_max;
+ sp->initmsg.sinit_max_attempts = net->sctp.max_retrans_init;
+ sp->initmsg.sinit_max_init_timeo = net->sctp.rto_max;
/* Initialize default RTO related parameters. These parameters can
* be modified for with the SCTP_RTOINFO socket option.
*/
- sp->rtoinfo.srto_initial = sctp_rto_initial;
- sp->rtoinfo.srto_max = sctp_rto_max;
- sp->rtoinfo.srto_min = sctp_rto_min;
+ sp->rtoinfo.srto_initial = net->sctp.rto_initial;
+ sp->rtoinfo.srto_max = net->sctp.rto_max;
+ sp->rtoinfo.srto_min = net->sctp.rto_min;
/* Initialize default association related parameters. These parameters
* can be modified with the SCTP_ASSOCINFO socket option.
*/
- sp->assocparams.sasoc_asocmaxrxt = sctp_max_retrans_association;
+ sp->assocparams.sasoc_asocmaxrxt = net->sctp.max_retrans_association;
sp->assocparams.sasoc_number_peer_destinations = 0;
sp->assocparams.sasoc_peer_rwnd = 0;
sp->assocparams.sasoc_local_rwnd = 0;
- sp->assocparams.sasoc_cookie_life = sctp_valid_cookie_life;
+ sp->assocparams.sasoc_cookie_life = net->sctp.valid_cookie_life;
/* Initialize default event subscriptions. By default, all the
* options are off.
/* Default Peer Address Parameters. These defaults can
* be modified via SCTP_PEER_ADDR_PARAMS
*/
- sp->hbinterval = sctp_hb_interval;
- sp->pathmaxrxt = sctp_max_retrans_path;
+ sp->hbinterval = net->sctp.hb_interval;
+ sp->pathmaxrxt = net->sctp.max_retrans_path;
sp->pathmtu = 0; // allow default discovery
- sp->sackdelay = sctp_sack_timeout;
+ sp->sackdelay = net->sctp.sack_timeout;
sp->sackfreq = 2;
sp->param_flags = SPP_HB_ENABLE |
SPP_PMTUD_ENABLE |
local_bh_disable();
percpu_counter_inc(&sctp_sockets_allocated);
- sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1);
- if (sctp_default_auto_asconf) {
+ sock_prot_inuse_add(net, sk->sk_prot, 1);
+ if (net->sctp.default_auto_asconf) {
list_add_tail(&sp->auto_asconf_list,
- &sctp_auto_asconf_splist);
+ &net->sctp.auto_asconf_splist);
sp->do_auto_asconf = 1;
} else
sp->do_auto_asconf = 0;
*/
SCTP_STATIC void sctp_shutdown(struct sock *sk, int how)
{
+ struct net *net = sock_net(sk);
struct sctp_endpoint *ep;
struct sctp_association *asoc;
if (!list_empty(&ep->asocs)) {
asoc = list_entry(ep->asocs.next,
struct sctp_association, asocs);
- sctp_primitive_SHUTDOWN(asoc, NULL);
+ sctp_primitive_SHUTDOWN(net, asoc, NULL);
}
}
}
union sctp_addr temp;
int cnt = 0;
int addrlen;
+ struct net *net = sock_net(sk);
rcu_read_lock();
- list_for_each_entry_rcu(addr, &sctp_local_addr_list, list) {
+ list_for_each_entry_rcu(addr, &net->sctp.local_addr_list, list) {
if (!addr->valid)
continue;
static int sctp_getsockopt_hmac_ident(struct sock *sk, int len,
char __user *optval, int __user *optlen)
{
+ struct net *net = sock_net(sk);
struct sctp_hmacalgo __user *p = (void __user *)optval;
struct sctp_hmac_algo_param *hmacs;
__u16 data_len = 0;
u32 num_idents;
- if (!sctp_auth_enable)
+ if (!net->sctp.auth_enable)
return -EACCES;
hmacs = sctp_sk(sk)->ep->auth_hmacs_list;
static int sctp_getsockopt_active_key(struct sock *sk, int len,
char __user *optval, int __user *optlen)
{
+ struct net *net = sock_net(sk);
struct sctp_authkeyid val;
struct sctp_association *asoc;
- if (!sctp_auth_enable)
+ if (!net->sctp.auth_enable)
return -EACCES;
if (len < sizeof(struct sctp_authkeyid))
static int sctp_getsockopt_peer_auth_chunks(struct sock *sk, int len,
char __user *optval, int __user *optlen)
{
+ struct net *net = sock_net(sk);
struct sctp_authchunks __user *p = (void __user *)optval;
struct sctp_authchunks val;
struct sctp_association *asoc;
u32 num_chunks = 0;
char __user *to;
- if (!sctp_auth_enable)
+ if (!net->sctp.auth_enable)
return -EACCES;
if (len < sizeof(struct sctp_authchunks))
static int sctp_getsockopt_local_auth_chunks(struct sock *sk, int len,
char __user *optval, int __user *optlen)
{
+ struct net *net = sock_net(sk);
struct sctp_authchunks __user *p = (void __user *)optval;
struct sctp_authchunks val;
struct sctp_association *asoc;
u32 num_chunks = 0;
char __user *to;
- if (!sctp_auth_enable)
+ if (!net->sctp.auth_enable)
return -EACCES;
if (len < sizeof(struct sctp_authchunks))
* a fastreuse flag (FIXME: NPI ipg).
*/
static struct sctp_bind_bucket *sctp_bucket_create(
- struct sctp_bind_hashbucket *head, unsigned short snum);
+ struct sctp_bind_hashbucket *head, struct net *, unsigned short snum);
static long sctp_get_port_local(struct sock *sk, union sctp_addr *addr)
{
rover = low;
if (inet_is_reserved_local_port(rover))
continue;
- index = sctp_phashfn(rover);
+ index = sctp_phashfn(sock_net(sk), rover);
head = &sctp_port_hashtable[index];
sctp_spin_lock(&head->lock);
sctp_for_each_hentry(pp, node, &head->chain)
- if (pp->port == rover)
+ if ((pp->port == rover) &&
+ net_eq(sock_net(sk), pp->net))
goto next;
break;
next:
* to the port number (snum) - we detect that with the
* port iterator, pp being NULL.
*/
- head = &sctp_port_hashtable[sctp_phashfn(snum)];
+ head = &sctp_port_hashtable[sctp_phashfn(sock_net(sk), snum)];
sctp_spin_lock(&head->lock);
sctp_for_each_hentry(pp, node, &head->chain) {
- if (pp->port == snum)
+ if ((pp->port == snum) && net_eq(pp->net, sock_net(sk)))
goto pp_found;
}
}
pp_not_found:
/* If there was a hash table miss, create a new port. */
ret = 1;
- if (!pp && !(pp = sctp_bucket_create(head, snum)))
+ if (!pp && !(pp = sctp_bucket_create(head, sock_net(sk), snum)))
goto fail_unlock;
/* In either case (hit or miss), make sure fastreuse is 1 only
********************************************************************/
static struct sctp_bind_bucket *sctp_bucket_create(
- struct sctp_bind_hashbucket *head, unsigned short snum)
+ struct sctp_bind_hashbucket *head, struct net *net, unsigned short snum)
{
struct sctp_bind_bucket *pp;
pp->port = snum;
pp->fastreuse = 0;
INIT_HLIST_HEAD(&pp->owner);
+ pp->net = net;
hlist_add_head(&pp->node, &head->chain);
}
return pp;
static inline void __sctp_put_port(struct sock *sk)
{
struct sctp_bind_hashbucket *head =
- &sctp_port_hashtable[sctp_phashfn(inet_sk(sk)->inet_num)];
+ &sctp_port_hashtable[sctp_phashfn(sock_net(sk),
+ inet_sk(sk)->inet_num)];
struct sctp_bind_bucket *pp;
sctp_spin_lock(&head->lock);
newsp->hmac = NULL;
/* Hook this new socket in to the bind_hash list. */
- head = &sctp_port_hashtable[sctp_phashfn(inet_sk(oldsk)->inet_num)];
+ head = &sctp_port_hashtable[sctp_phashfn(sock_net(oldsk),
+ inet_sk(oldsk)->inet_num)];
sctp_local_bh_disable();
sctp_spin_lock(&head->lock);
pp = sctp_sk(oldsk)->bind_hash;
static ctl_table sctp_table[] = {
{
+ .procname = "sctp_mem",
+ .data = &sysctl_sctp_mem,
+ .maxlen = sizeof(sysctl_sctp_mem),
+ .mode = 0644,
+ .proc_handler = proc_doulongvec_minmax
+ },
+ {
+ .procname = "sctp_rmem",
+ .data = &sysctl_sctp_rmem,
+ .maxlen = sizeof(sysctl_sctp_rmem),
+ .mode = 0644,
+ .proc_handler = proc_dointvec,
+ },
+ {
+ .procname = "sctp_wmem",
+ .data = &sysctl_sctp_wmem,
+ .maxlen = sizeof(sysctl_sctp_wmem),
+ .mode = 0644,
+ .proc_handler = proc_dointvec,
+ },
+
+ { /* sentinel */ }
+};
+
+static ctl_table sctp_net_table[] = {
+ {
.procname = "rto_initial",
- .data = &sctp_rto_initial,
+ .data = &init_net.sctp.rto_initial,
.maxlen = sizeof(unsigned int),
.mode = 0644,
.proc_handler = proc_dointvec_minmax,
},
{
.procname = "rto_min",
- .data = &sctp_rto_min,
+ .data = &init_net.sctp.rto_min,
.maxlen = sizeof(unsigned int),
.mode = 0644,
.proc_handler = proc_dointvec_minmax,
},
{
.procname = "rto_max",
- .data = &sctp_rto_max,
+ .data = &init_net.sctp.rto_max,
.maxlen = sizeof(unsigned int),
.mode = 0644,
.proc_handler = proc_dointvec_minmax,
.extra2 = &timer_max
},
{
- .procname = "valid_cookie_life",
- .data = &sctp_valid_cookie_life,
- .maxlen = sizeof(unsigned int),
- .mode = 0644,
- .proc_handler = proc_dointvec_minmax,
- .extra1 = &one,
- .extra2 = &timer_max
+ .procname = "rto_alpha_exp_divisor",
+ .data = &init_net.sctp.rto_alpha,
+ .maxlen = sizeof(int),
+ .mode = 0444,
+ .proc_handler = proc_dointvec,
+ },
+ {
+ .procname = "rto_beta_exp_divisor",
+ .data = &init_net.sctp.rto_beta,
+ .maxlen = sizeof(int),
+ .mode = 0444,
+ .proc_handler = proc_dointvec,
},
{
.procname = "max_burst",
- .data = &sctp_max_burst,
+ .data = &init_net.sctp.max_burst,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec_minmax,
.extra2 = &int_max
},
{
- .procname = "association_max_retrans",
- .data = &sctp_max_retrans_association,
+ .procname = "cookie_preserve_enable",
+ .data = &init_net.sctp.cookie_preserve_enable,
.maxlen = sizeof(int),
.mode = 0644,
+ .proc_handler = proc_dointvec,
+ },
+ {
+ .procname = "valid_cookie_life",
+ .data = &init_net.sctp.valid_cookie_life,
+ .maxlen = sizeof(unsigned int),
+ .mode = 0644,
.proc_handler = proc_dointvec_minmax,
- .extra1 = &one,
- .extra2 = &int_max
+ .extra1 = &one,
+ .extra2 = &timer_max
},
{
- .procname = "sndbuf_policy",
- .data = &sctp_sndbuf_policy,
+ .procname = "sack_timeout",
+ .data = &init_net.sctp.sack_timeout,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = proc_dointvec,
+ .proc_handler = proc_dointvec_minmax,
+ .extra1 = &sack_timer_min,
+ .extra2 = &sack_timer_max,
},
{
- .procname = "rcvbuf_policy",
- .data = &sctp_rcvbuf_policy,
- .maxlen = sizeof(int),
+ .procname = "hb_interval",
+ .data = &init_net.sctp.hb_interval,
+ .maxlen = sizeof(unsigned int),
.mode = 0644,
- .proc_handler = proc_dointvec,
+ .proc_handler = proc_dointvec_minmax,
+ .extra1 = &one,
+ .extra2 = &timer_max
},
{
- .procname = "path_max_retrans",
- .data = &sctp_max_retrans_path,
+ .procname = "association_max_retrans",
+ .data = &init_net.sctp.max_retrans_association,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec_minmax,
.extra2 = &int_max
},
{
- .procname = "pf_retrans",
- .data = &sctp_pf_retrans,
+ .procname = "path_max_retrans",
+ .data = &init_net.sctp.max_retrans_path,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec_minmax,
- .extra1 = &zero,
+ .extra1 = &one,
.extra2 = &int_max
},
{
.procname = "max_init_retransmits",
- .data = &sctp_max_retrans_init,
+ .data = &init_net.sctp.max_retrans_init,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec_minmax,
.extra2 = &int_max
},
{
- .procname = "hb_interval",
- .data = &sctp_hb_interval,
- .maxlen = sizeof(unsigned int),
+ .procname = "pf_retrans",
+ .data = &init_net.sctp.pf_retrans,
+ .maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec_minmax,
- .extra1 = &one,
- .extra2 = &timer_max
+ .extra1 = &zero,
+ .extra2 = &int_max
},
{
- .procname = "cookie_preserve_enable",
- .data = &sctp_cookie_preserve_enable,
+ .procname = "sndbuf_policy",
+ .data = &init_net.sctp.sndbuf_policy,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec,
},
{
- .procname = "rto_alpha_exp_divisor",
- .data = &sctp_rto_alpha,
- .maxlen = sizeof(int),
- .mode = 0444,
- .proc_handler = proc_dointvec,
- },
- {
- .procname = "rto_beta_exp_divisor",
- .data = &sctp_rto_beta,
- .maxlen = sizeof(int),
- .mode = 0444,
- .proc_handler = proc_dointvec,
- },
- {
- .procname = "addip_enable",
- .data = &sctp_addip_enable,
+ .procname = "rcvbuf_policy",
+ .data = &init_net.sctp.rcvbuf_policy,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec,
},
{
.procname = "default_auto_asconf",
- .data = &sctp_default_auto_asconf,
+ .data = &init_net.sctp.default_auto_asconf,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec,
},
{
- .procname = "prsctp_enable",
- .data = &sctp_prsctp_enable,
+ .procname = "addip_enable",
+ .data = &init_net.sctp.addip_enable,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec,
},
{
- .procname = "sack_timeout",
- .data = &sctp_sack_timeout,
+ .procname = "addip_noauth_enable",
+ .data = &init_net.sctp.addip_noauth,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = proc_dointvec_minmax,
- .extra1 = &sack_timer_min,
- .extra2 = &sack_timer_max,
- },
- {
- .procname = "sctp_mem",
- .data = &sysctl_sctp_mem,
- .maxlen = sizeof(sysctl_sctp_mem),
- .mode = 0644,
- .proc_handler = proc_doulongvec_minmax
- },
- {
- .procname = "sctp_rmem",
- .data = &sysctl_sctp_rmem,
- .maxlen = sizeof(sysctl_sctp_rmem),
- .mode = 0644,
- .proc_handler = proc_dointvec,
- },
- {
- .procname = "sctp_wmem",
- .data = &sysctl_sctp_wmem,
- .maxlen = sizeof(sysctl_sctp_wmem),
- .mode = 0644,
.proc_handler = proc_dointvec,
},
{
- .procname = "auth_enable",
- .data = &sctp_auth_enable,
+ .procname = "prsctp_enable",
+ .data = &init_net.sctp.prsctp_enable,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec,
},
{
- .procname = "addip_noauth_enable",
- .data = &sctp_addip_noauth,
+ .procname = "auth_enable",
+ .data = &init_net.sctp.auth_enable,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec,
},
{
.procname = "addr_scope_policy",
- .data = &sctp_scope_policy,
+ .data = &init_net.sctp.scope_policy,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec_minmax,
},
{
.procname = "rwnd_update_shift",
- .data = &sctp_rwnd_upd_shift,
+ .data = &init_net.sctp.rwnd_upd_shift,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = &proc_dointvec_minmax,
},
{
.procname = "max_autoclose",
- .data = &sctp_max_autoclose,
+ .data = &init_net.sctp.max_autoclose,
.maxlen = sizeof(unsigned long),
.mode = 0644,
.proc_handler = &proc_doulongvec_minmax,
{ /* sentinel */ }
};
+int sctp_sysctl_net_register(struct net *net)
+{
+ struct ctl_table *table;
+ int i;
+
+ table = kmemdup(sctp_net_table, sizeof(sctp_net_table), GFP_KERNEL);
+ if (!table)
+ return -ENOMEM;
+
+ for (i = 0; table[i].data; i++)
+ table[i].data += (char *)(&net->sctp) - (char *)&init_net.sctp;
+
+ net->sctp.sysctl_header = register_net_sysctl(net, "net/sctp", table);
+ return 0;
+}
+
+void sctp_sysctl_net_unregister(struct net *net)
+{
+ unregister_net_sysctl_table(net->sctp.sysctl_header);
+}
+
static struct ctl_table_header * sctp_sysctl_header;
/* Sysctl registration. */
/* 1st Level Abstractions. */
/* Initialize a new transport from provided memory. */
-static struct sctp_transport *sctp_transport_init(struct sctp_transport *peer,
+static struct sctp_transport *sctp_transport_init(struct net *net,
+ struct sctp_transport *peer,
const union sctp_addr *addr,
gfp_t gfp)
{
* given destination transport address, set RTO to the protocol
* parameter 'RTO.Initial'.
*/
- peer->rto = msecs_to_jiffies(sctp_rto_initial);
+ peer->rto = msecs_to_jiffies(net->sctp.rto_initial);
peer->last_time_heard = jiffies;
peer->last_time_ecne_reduced = jiffies;
SPP_SACKDELAY_ENABLE;
/* Initialize the default path max_retrans. */
- peer->pathmaxrxt = sctp_max_retrans_path;
- peer->pf_retrans = sctp_pf_retrans;
+ peer->pathmaxrxt = net->sctp.max_retrans_path;
+ peer->pf_retrans = net->sctp.pf_retrans;
INIT_LIST_HEAD(&peer->transmitted);
INIT_LIST_HEAD(&peer->send_ready);
}
/* Allocate and initialize a new transport. */
-struct sctp_transport *sctp_transport_new(const union sctp_addr *addr,
+struct sctp_transport *sctp_transport_new(struct net *net,
+ const union sctp_addr *addr,
gfp_t gfp)
{
struct sctp_transport *transport;
if (!transport)
goto fail;
- if (!sctp_transport_init(transport, addr, gfp))
+ if (!sctp_transport_init(net, transport, addr, gfp))
goto fail_init;
transport->malloced = 1;
SCTP_ASSERT(tp->rto_pending, "rto_pending not set", return);
if (tp->rttvar || tp->srtt) {
+ struct net *net = sock_net(tp->asoc->base.sk);
/* 6.3.1 C3) When a new RTT measurement R' is made, set
* RTTVAR <- (1 - RTO.Beta) * RTTVAR + RTO.Beta * |SRTT - R'|
* SRTT <- (1 - RTO.Alpha) * SRTT + RTO.Alpha * R'
* For example, assuming the default value of RTO.Alpha of
* 1/8, rto_alpha would be expressed as 3.
*/
- tp->rttvar = tp->rttvar - (tp->rttvar >> sctp_rto_beta)
- + ((abs(tp->srtt - rtt)) >> sctp_rto_beta);
- tp->srtt = tp->srtt - (tp->srtt >> sctp_rto_alpha)
- + (rtt >> sctp_rto_alpha);
+ tp->rttvar = tp->rttvar - (tp->rttvar >> net->sctp.rto_beta)
+ + ((abs(tp->srtt - rtt)) >> net->sctp.rto_beta);
+ tp->srtt = tp->srtt - (tp->srtt >> net->sctp.rto_alpha)
+ + (rtt >> net->sctp.rto_alpha);
} else {
/* 6.3.1 C2) When the first RTT measurement R is made, set
* SRTT <- R, RTTVAR <- R/2.
* payload was fragmented on the way and ip had to reassemble them.
* We add the rest of skb's to the first skb's fraglist.
*/
-static struct sctp_ulpevent *sctp_make_reassembled_event(struct sk_buff_head *queue, struct sk_buff *f_frag, struct sk_buff *l_frag)
+static struct sctp_ulpevent *sctp_make_reassembled_event(struct net *net,
+ struct sk_buff_head *queue, struct sk_buff *f_frag,
+ struct sk_buff *l_frag)
{
struct sk_buff *pos;
struct sk_buff *new = NULL;
}
event = sctp_skb2event(f_frag);
- SCTP_INC_STATS(SCTP_MIB_REASMUSRMSGS);
+ SCTP_INC_STATS(net, SCTP_MIB_REASMUSRMSGS);
return event;
}
cevent = sctp_skb2event(pd_first);
pd_point = sctp_sk(asoc->base.sk)->pd_point;
if (pd_point && pd_point <= pd_len) {
- retval = sctp_make_reassembled_event(&ulpq->reasm,
+ retval = sctp_make_reassembled_event(sock_net(asoc->base.sk),
+ &ulpq->reasm,
pd_first,
pd_last);
if (retval)
done:
return retval;
found:
- retval = sctp_make_reassembled_event(&ulpq->reasm, first_frag, pos);
+ retval = sctp_make_reassembled_event(sock_net(ulpq->asoc->base.sk),
+ &ulpq->reasm, first_frag, pos);
if (retval)
retval->msg_flags |= MSG_EOR;
goto done;
* further.
*/
done:
- retval = sctp_make_reassembled_event(&ulpq->reasm, first_frag, last_frag);
+ retval = sctp_make_reassembled_event(sock_net(ulpq->asoc->base.sk),
+ &ulpq->reasm, first_frag, last_frag);
if (retval && is_last)
retval->msg_flags |= MSG_EOR;
* further.
*/
done:
- retval = sctp_make_reassembled_event(&ulpq->reasm, first_frag, last_frag);
+ retval = sctp_make_reassembled_event(sock_net(ulpq->asoc->base.sk),
+ &ulpq->reasm, first_frag, last_frag);
return retval;
}
static void bearer_disable(struct tipc_bearer *b_ptr);
/**
- * media_name_valid - validate media name
- *
- * Returns 1 if media name is valid, otherwise 0.
- */
-static int media_name_valid(const char *name)
-{
- u32 len;
-
- len = strlen(name);
- if ((len + 1) > TIPC_MAX_MEDIA_NAME)
- return 0;
- return strspn(name, tipc_alphabet) == len;
-}
-
-/**
* tipc_media_find - locates specified media object by name
*/
struct tipc_media *tipc_media_find(const char *name)
write_lock_bh(&tipc_net_lock);
- if (!media_name_valid(m_ptr->name))
+ if ((strlen(m_ptr->name) + 1) > TIPC_MAX_MEDIA_NAME)
goto exit;
if ((m_ptr->bcast_addr.media_id != m_ptr->type_id) ||
!m_ptr->bcast_addr.broadcast)
/* validate component parts of bearer name */
if ((media_len <= 1) || (media_len > TIPC_MAX_MEDIA_NAME) ||
- (if_len <= 1) || (if_len > TIPC_MAX_IF_NAME) ||
- (strspn(media_name, tipc_alphabet) != (media_len - 1)) ||
- (strspn(if_name, tipc_alphabet) != (if_len - 1)))
+ (if_len <= 1) || (if_len > TIPC_MAX_IF_NAME))
return 0;
/* return bearer name components, if necessary */
* net/tipc/config.c: TIPC configuration management code
*
* Copyright (c) 2002-2006, Ericsson AB
- * Copyright (c) 2004-2007, 2010-2011, Wind River Systems
+ * Copyright (c) 2004-2007, 2010-2012, Wind River Systems
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
return tipc_cfg_reply_none();
}
-static struct sk_buff *cfg_set_max_publications(void)
-{
- u32 value;
-
- if (!TLV_CHECK(req_tlv_area, req_tlv_space, TIPC_TLV_UNSIGNED))
- return tipc_cfg_reply_error_string(TIPC_CFG_TLV_ERROR);
-
- value = ntohl(*(__be32 *)TLV_DATA(req_tlv_area));
- if (value < 1 || value > 65535)
- return tipc_cfg_reply_error_string(TIPC_CFG_INVALID_VALUE
- " (max publications must be 1-65535)");
- tipc_max_publications = value;
- return tipc_cfg_reply_none();
-}
-
-static struct sk_buff *cfg_set_max_subscriptions(void)
-{
- u32 value;
-
- if (!TLV_CHECK(req_tlv_area, req_tlv_space, TIPC_TLV_UNSIGNED))
- return tipc_cfg_reply_error_string(TIPC_CFG_TLV_ERROR);
-
- value = ntohl(*(__be32 *)TLV_DATA(req_tlv_area));
- if (value < 1 || value > 65535)
- return tipc_cfg_reply_error_string(TIPC_CFG_INVALID_VALUE
- " (max subscriptions must be 1-65535");
- tipc_max_subscriptions = value;
- return tipc_cfg_reply_none();
-}
-
static struct sk_buff *cfg_set_max_ports(void)
{
u32 value;
case TIPC_CMD_SET_MAX_PORTS:
rep_tlv_buf = cfg_set_max_ports();
break;
- case TIPC_CMD_SET_MAX_PUBL:
- rep_tlv_buf = cfg_set_max_publications();
- break;
- case TIPC_CMD_SET_MAX_SUBSCR:
- rep_tlv_buf = cfg_set_max_subscriptions();
- break;
case TIPC_CMD_SET_NETID:
rep_tlv_buf = cfg_set_netid();
break;
case TIPC_CMD_GET_MAX_PORTS:
rep_tlv_buf = tipc_cfg_reply_unsigned(tipc_max_ports);
break;
- case TIPC_CMD_GET_MAX_PUBL:
- rep_tlv_buf = tipc_cfg_reply_unsigned(tipc_max_publications);
- break;
- case TIPC_CMD_GET_MAX_SUBSCR:
- rep_tlv_buf = tipc_cfg_reply_unsigned(tipc_max_subscriptions);
- break;
case TIPC_CMD_GET_NETID:
rep_tlv_buf = tipc_cfg_reply_unsigned(tipc_net_id);
break;
case TIPC_CMD_GET_MAX_CLUSTERS:
case TIPC_CMD_SET_MAX_NODES:
case TIPC_CMD_GET_MAX_NODES:
+ case TIPC_CMD_SET_MAX_SUBSCR:
+ case TIPC_CMD_GET_MAX_SUBSCR:
+ case TIPC_CMD_SET_MAX_PUBL:
+ case TIPC_CMD_GET_MAX_PUBL:
case TIPC_CMD_SET_LOG_SIZE:
case TIPC_CMD_DUMP_LOG:
rep_tlv_buf = tipc_cfg_reply_error_string(TIPC_CFG_NOT_SUPPORTED
/* global variables used by multiple sub-systems within TIPC */
-int tipc_random;
-
-const char tipc_alphabet[] =
- "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_.";
+int tipc_random __read_mostly;
/* configurable TIPC parameters */
-u32 tipc_own_addr;
-int tipc_max_ports;
-int tipc_max_subscriptions;
-int tipc_max_publications;
-int tipc_net_id;
-int tipc_remote_management;
+u32 tipc_own_addr __read_mostly;
+int tipc_max_ports __read_mostly;
+int tipc_net_id __read_mostly;
+int tipc_remote_management __read_mostly;
/**
{
int res;
- res = tipc_net_start(addr);
- if (!res)
- res = tipc_eth_media_start();
+ tipc_net_start(addr);
+ res = tipc_eth_media_start();
if (res)
tipc_core_stop_net();
return res;
tipc_own_addr = 0;
tipc_remote_management = 1;
- tipc_max_publications = 10000;
- tipc_max_subscriptions = 2000;
tipc_max_ports = CONFIG_TIPC_PORTS;
tipc_net_id = 4711;
#define TIPC_MOD_VER "2.0.0"
-#define ULTRA_STRING_MAX_LEN 32768
+#define ULTRA_STRING_MAX_LEN 32768
+#define TIPC_MAX_SUBSCRIPTIONS 65535
+#define TIPC_MAX_PUBLICATIONS 65535
struct tipc_msg; /* msg.h */
/*
* Global configuration variables
*/
-extern u32 tipc_own_addr;
-extern int tipc_max_ports;
-extern int tipc_max_subscriptions;
-extern int tipc_max_publications;
-extern int tipc_net_id;
-extern int tipc_remote_management;
+extern u32 tipc_own_addr __read_mostly;
+extern int tipc_max_ports __read_mostly;
+extern int tipc_net_id __read_mostly;
+extern int tipc_remote_management __read_mostly;
/*
* Other global variables
*/
-extern int tipc_random;
-extern const char tipc_alphabet[];
-
+extern int tipc_random __read_mostly;
/*
* Routines available to privileged subsystems
* @bearer: ptr to associated "generic" bearer structure
* @dev: ptr to associated Ethernet network device
* @tipc_packet_type: used in binding TIPC to Ethernet driver
+ * @setup: work item used when enabling bearer
* @cleanup: work item used when disabling bearer
*/
struct eth_bearer {
struct tipc_bearer *bearer;
struct net_device *dev;
struct packet_type tipc_packet_type;
+ struct work_struct setup;
struct work_struct cleanup;
};
static struct tipc_media eth_media_info;
static struct eth_bearer eth_bearers[MAX_ETH_BEARERS];
static int eth_started;
-static struct notifier_block notifier;
+
+static int recv_notification(struct notifier_block *nb, unsigned long evt,
+ void *dv);
+/*
+ * Network device notifier info
+ */
+static struct notifier_block notifier = {
+ .notifier_call = recv_notification,
+ .priority = 0
+};
/**
* eth_media_addr_set - initialize Ethernet media address structure
}
/**
+ * setup_bearer - setup association between Ethernet bearer and interface
+ */
+static void setup_bearer(struct work_struct *work)
+{
+ struct eth_bearer *eb_ptr =
+ container_of(work, struct eth_bearer, setup);
+
+ dev_add_pack(&eb_ptr->tipc_packet_type);
+}
+
+/**
* enable_bearer - attach TIPC bearer to an Ethernet interface
*/
static int enable_bearer(struct tipc_bearer *tb_ptr)
eb_ptr->tipc_packet_type.func = recv_msg;
eb_ptr->tipc_packet_type.af_packet_priv = eb_ptr;
INIT_LIST_HEAD(&(eb_ptr->tipc_packet_type.list));
- dev_add_pack(&eb_ptr->tipc_packet_type);
+ INIT_WORK(&eb_ptr->setup, setup_bearer);
+ schedule_work(&eb_ptr->setup);
/* Associate TIPC bearer with Ethernet bearer */
eb_ptr->bearer = tb_ptr;
if (res)
return res;
- notifier.notifier_call = &recv_notification;
- notifier.priority = 0;
res = register_netdevice_notifier(¬ifier);
if (!res)
eth_started = 1;
static struct kmem_cache *tipc_queue_item_cache;
static struct list_head signal_queue_head;
static DEFINE_SPINLOCK(qitem_lock);
-static int handler_enabled;
+static int handler_enabled __read_mostly;
static void process_signal_queue(unsigned long dummy);
(z_local > 255) || (c_local > 4095) || (n_local > 4095) ||
(z_peer > 255) || (c_peer > 4095) || (n_peer > 4095) ||
(if_local_len <= 1) || (if_local_len > TIPC_MAX_IF_NAME) ||
- (if_peer_len <= 1) || (if_peer_len > TIPC_MAX_IF_NAME) ||
- (strspn(if_local, tipc_alphabet) != (if_local_len - 1)) ||
- (strspn(if_peer, tipc_alphabet) != (if_peer_len - 1)))
+ (if_peer_len <= 1) || (if_peer_len > TIPC_MAX_IF_NAME))
return 0;
/* return link name components, if necessary */
#include "subscr.h"
#include "port.h"
-static int tipc_nametbl_size = 1024; /* must be a power of 2 */
+#define TIPC_NAMETBL_SIZE 1024 /* must be a power of 2 */
/**
* struct name_info - name sequence publication info
static int hash(int x)
{
- return x & (tipc_nametbl_size - 1);
+ return x & (TIPC_NAMETBL_SIZE - 1);
}
/**
{
struct publication *publ;
- if (table.local_publ_count >= tipc_max_publications) {
+ if (table.local_publ_count >= TIPC_MAX_PUBLICATIONS) {
pr_warn("Publication failed, local publication limit reached (%u)\n",
- tipc_max_publications);
+ TIPC_MAX_PUBLICATIONS);
return NULL;
}
ret += nametbl_header(buf, len, depth);
lowbound = 0;
upbound = ~0;
- for (i = 0; i < tipc_nametbl_size; i++) {
+ for (i = 0; i < TIPC_NAMETBL_SIZE; i++) {
seq_head = &table.types[i];
hlist_for_each_entry(seq, seq_node, seq_head, ns_list) {
ret += nameseq_list(seq, buf + ret, len - ret,
int tipc_nametbl_init(void)
{
- table.types = kcalloc(tipc_nametbl_size, sizeof(struct hlist_head),
+ table.types = kcalloc(TIPC_NAMETBL_SIZE, sizeof(struct hlist_head),
GFP_ATOMIC);
if (!table.types)
return -ENOMEM;
/* Verify name table is empty, then release it */
write_lock_bh(&tipc_nametbl_lock);
- for (i = 0; i < tipc_nametbl_size; i++) {
+ for (i = 0; i < TIPC_NAMETBL_SIZE; i++) {
if (hlist_empty(&table.types[i]))
continue;
pr_err("nametbl_stop(): orphaned hash chain detected\n");
tipc_link_send(buf, dnode, msg_link_selector(msg));
}
-int tipc_net_start(u32 addr)
+void tipc_net_start(u32 addr)
{
char addr_string[16];
pr_info("Started in network mode\n");
pr_info("Own node address %s, network identity %u\n",
tipc_addr_string_fill(addr_string, tipc_own_addr), tipc_net_id);
- return 0;
}
void tipc_net_stop(void)
void tipc_net_route_msg(struct sk_buff *buf);
-int tipc_net_start(u32 addr);
+void tipc_net_start(u32 addr);
void tipc_net_stop(void);
#endif
}
/* Refuse subscription if global limit exceeded */
- if (atomic_read(&topsrv.subscription_count) >= tipc_max_subscriptions) {
+ if (atomic_read(&topsrv.subscription_count) >= TIPC_MAX_SUBSCRIPTIONS) {
pr_warn("Subscription rejected, limit reached (%u)\n",
- tipc_max_subscriptions);
+ TIPC_MAX_SUBSCRIPTIONS);
subscr_terminate(subscriber);
return NULL;
}
ASSERT_WDEV_LOCK(wdev);
- if (!netif_running(wdev->netdev))
+ if (wdev->netdev && !netif_running(wdev->netdev))
return;
switch (wdev->iftype) {
case NL80211_IFTYPE_WDS:
/* these interface types don't really have a channel */
return;
+ case NL80211_IFTYPE_P2P_DEVICE:
+ if (wdev->wiphy->features &
+ NL80211_FEATURE_P2P_DEVICE_NEEDS_CHANNEL)
+ *chanmode = CHAN_MODE_EXCLUSIVE;
+ return;
case NL80211_IFTYPE_UNSPECIFIED:
case NUM_NL80211_IFTYPES:
WARN_ON(1);
rtnl_lock();
mutex_lock(&rdev->devlist_mtx);
- list_for_each_entry(wdev, &rdev->wdev_list, list)
- if (wdev->netdev)
+ list_for_each_entry(wdev, &rdev->wdev_list, list) {
+ if (wdev->netdev) {
dev_close(wdev->netdev);
+ continue;
+ }
+ /* otherwise, check iftype */
+ switch (wdev->iftype) {
+ case NL80211_IFTYPE_P2P_DEVICE:
+ if (!wdev->p2p_started)
+ break;
+ rdev->ops->stop_p2p_device(&rdev->wiphy, wdev);
+ wdev->p2p_started = false;
+ rdev->opencount--;
+ break;
+ default:
+ break;
+ }
+ }
mutex_unlock(&rdev->devlist_mtx);
rtnl_unlock();
if (WARN_ON(wiphy->software_iftypes & types))
return -EINVAL;
+ /* Only a single P2P_DEVICE can be allowed */
+ if (WARN_ON(types & BIT(NL80211_IFTYPE_P2P_DEVICE) &&
+ c->limits[j].max > 1))
+ return -EINVAL;
+
cnt += c->limits[j].max;
/*
* Don't advertise an unsupported type
dev_put(wdev->netdev);
}
+void cfg80211_unregister_wdev(struct wireless_dev *wdev)
+{
+ struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
+
+ ASSERT_RTNL();
+
+ if (WARN_ON(wdev->netdev))
+ return;
+
+ mutex_lock(&rdev->devlist_mtx);
+ list_del_rcu(&wdev->list);
+ rdev->devlist_generation++;
+
+ switch (wdev->iftype) {
+ case NL80211_IFTYPE_P2P_DEVICE:
+ if (!wdev->p2p_started)
+ break;
+ rdev->ops->stop_p2p_device(&rdev->wiphy, wdev);
+ wdev->p2p_started = false;
+ rdev->opencount--;
+ break;
+ default:
+ WARN_ON_ONCE(1);
+ break;
+ }
+ mutex_unlock(&rdev->devlist_mtx);
+}
+EXPORT_SYMBOL(cfg80211_unregister_wdev);
+
static struct device_type wiphy_type = {
.name = "wlan",
};
const u8 *buf, size_t len, bool no_cck,
bool dont_wait_for_ack, u64 *cookie)
{
- struct net_device *dev = wdev->netdev;
const struct ieee80211_mgmt *mgmt;
u16 stype;
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_P2P_GO:
case NL80211_IFTYPE_AP_VLAN:
- if (!ether_addr_equal(mgmt->bssid, dev->dev_addr))
+ if (!ether_addr_equal(mgmt->bssid, wdev_address(wdev)))
err = -EINVAL;
break;
case NL80211_IFTYPE_MESH_POINT:
* cfg80211 doesn't track the stations
*/
break;
+ case NL80211_IFTYPE_P2P_DEVICE:
+ /*
+ * fall through, P2P device only supports
+ * public action frames
+ */
default:
err = -EOPNOTSUPP;
break;
return err;
}
- if (!ether_addr_equal(mgmt->sa, dev->dev_addr))
+ if (!ether_addr_equal(mgmt->sa, wdev_address(wdev)))
return -EINVAL;
/* Transmit the Action frame as requested by user space */
if (nla_put_u32(msg, i, NL80211_CMD_REGISTER_BEACONS))
goto nla_put_failure;
}
+ CMD(start_p2p_device, START_P2P_DEVICE);
#ifdef CONFIG_NL80211_TESTMODE
CMD(testmode_cmd, TESTMODE);
if (dev &&
(nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
- nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name) ||
- nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dev->dev_addr)))
+ nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name)))
goto nla_put_failure;
if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) ||
nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) ||
+ nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, wdev_address(wdev)) ||
nla_put_u32(msg, NL80211_ATTR_GENERATION,
rdev->devlist_generation ^
(cfg80211_rdev_list_generation << 2)))
return PTR_ERR(wdev);
}
- if (type == NL80211_IFTYPE_MESH_POINT &&
- info->attrs[NL80211_ATTR_MESH_ID]) {
+ switch (type) {
+ case NL80211_IFTYPE_MESH_POINT:
+ if (!info->attrs[NL80211_ATTR_MESH_ID])
+ break;
wdev_lock(wdev);
BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
IEEE80211_MAX_MESH_ID_LEN);
memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
wdev->mesh_id_up_len);
wdev_unlock(wdev);
+ break;
+ case NL80211_IFTYPE_P2P_DEVICE:
+ /*
+ * P2P Device doesn't have a netdev, so doesn't go
+ * through the netdev notifier and must be added here
+ */
+ mutex_init(&wdev->mtx);
+ INIT_LIST_HEAD(&wdev->event_list);
+ spin_lock_init(&wdev->event_lock);
+ INIT_LIST_HEAD(&wdev->mgmt_registrations);
+ spin_lock_init(&wdev->mgmt_registrations_lock);
+
+ mutex_lock(&rdev->devlist_mtx);
+ wdev->identifier = ++rdev->wdev_id;
+ list_add_rcu(&wdev->list, &rdev->wdev_list);
+ rdev->devlist_generation++;
+ mutex_unlock(&rdev->devlist_mtx);
+ break;
+ default:
+ break;
}
if (nl80211_send_iface(msg, info->snd_pid, info->snd_seq, 0,
case NL80211_IFTYPE_AP_VLAN:
case NL80211_IFTYPE_MESH_POINT:
case NL80211_IFTYPE_P2P_GO:
+ case NL80211_IFTYPE_P2P_DEVICE:
break;
default:
return -EOPNOTSUPP;
case NL80211_IFTYPE_AP_VLAN:
case NL80211_IFTYPE_MESH_POINT:
case NL80211_IFTYPE_P2P_GO:
+ case NL80211_IFTYPE_P2P_DEVICE:
break;
default:
return -EOPNOTSUPP;
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_AP_VLAN:
case NL80211_IFTYPE_P2P_GO:
+ case NL80211_IFTYPE_P2P_DEVICE:
break;
default:
return -EOPNOTSUPP;
return 0;
}
+static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct wireless_dev *wdev = info->user_ptr[1];
+ int err;
+
+ if (!rdev->ops->start_p2p_device)
+ return -EOPNOTSUPP;
+
+ if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
+ return -EOPNOTSUPP;
+
+ if (wdev->p2p_started)
+ return 0;
+
+ mutex_lock(&rdev->devlist_mtx);
+ err = cfg80211_can_add_interface(rdev, wdev->iftype);
+ mutex_unlock(&rdev->devlist_mtx);
+ if (err)
+ return err;
+
+ err = rdev->ops->start_p2p_device(&rdev->wiphy, wdev);
+ if (err)
+ return err;
+
+ wdev->p2p_started = true;
+ mutex_lock(&rdev->devlist_mtx);
+ rdev->opencount++;
+ mutex_unlock(&rdev->devlist_mtx);
+
+ return 0;
+}
+
+static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct wireless_dev *wdev = info->user_ptr[1];
+
+ if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE)
+ return -EOPNOTSUPP;
+
+ if (!rdev->ops->stop_p2p_device)
+ return -EOPNOTSUPP;
+
+ if (!wdev->p2p_started)
+ return 0;
+
+ rdev->ops->stop_p2p_device(&rdev->wiphy, wdev);
+ wdev->p2p_started = false;
+
+ mutex_lock(&rdev->devlist_mtx);
+ rdev->opencount--;
+ mutex_unlock(&rdev->devlist_mtx);
+
+ if (WARN_ON(rdev->scan_req && rdev->scan_req->wdev == wdev)) {
+ rdev->scan_req->aborted = true;
+ ___cfg80211_scan_done(rdev, true);
+ }
+
+ return 0;
+}
+
#define NL80211_FLAG_NEED_WIPHY 0x01
#define NL80211_FLAG_NEED_NETDEV 0x02
#define NL80211_FLAG_NEED_RTNL 0x04
#define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
NL80211_FLAG_CHECK_NETDEV_UP)
#define NL80211_FLAG_NEED_WDEV 0x10
-/* If a netdev is associated, it must be UP */
+/* If a netdev is associated, it must be UP, P2P must be started */
#define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
NL80211_FLAG_CHECK_NETDEV_UP)
}
dev_hold(dev);
+ } else if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP) {
+ if (!wdev->p2p_started) {
+ mutex_unlock(&cfg80211_mutex);
+ if (rtnl)
+ rtnl_unlock();
+ return -ENETDOWN;
+ }
}
cfg80211_lock_rdev(rdev);
.internal_flags = NL80211_FLAG_NEED_NETDEV |
NL80211_FLAG_NEED_RTNL,
},
-
+ {
+ .cmd = NL80211_CMD_START_P2P_DEVICE,
+ .doit = nl80211_start_p2p_device,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_WDEV |
+ NL80211_FLAG_NEED_RTNL,
+ },
+ {
+ .cmd = NL80211_CMD_STOP_P2P_DEVICE,
+ .doit = nl80211_stop_p2p_device,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
+ NL80211_FLAG_NEED_RTNL,
+ },
};
static struct genl_multicast_group nl80211_mlme_mcgrp = {
[IEEE80211_RADIOTAP_TX_FLAGS] = { .align = 2, .size = 2, },
[IEEE80211_RADIOTAP_RTS_RETRIES] = { .align = 1, .size = 1, },
[IEEE80211_RADIOTAP_DATA_RETRIES] = { .align = 1, .size = 1, },
+ [IEEE80211_RADIOTAP_MCS] = { .align = 1, .size = 3, },
+ [IEEE80211_RADIOTAP_AMPDU_STATUS] = { .align = 4, .size = 8, },
/*
* add more here as they are defined in radiotap.h
*/
const u8 *ieee80211_bss_get_ie(struct cfg80211_bss *bss, u8 ie)
{
- u8 *end, *pos;
-
- pos = bss->information_elements;
- if (pos == NULL)
+ if (bss->information_elements == NULL)
return NULL;
- end = pos + bss->len_information_elements;
-
- while (pos + 1 < end) {
- if (pos + 2 + pos[1] > end)
- break;
- if (pos[0] == ie)
- return pos;
- pos += 2 + pos[1];
- }
-
- return NULL;
+ return cfg80211_find_ie(ie, bss->information_elements,
+ bss->len_information_elements);
}
EXPORT_SYMBOL(ieee80211_bss_get_ie);
if (otype == NL80211_IFTYPE_AP_VLAN)
return -EOPNOTSUPP;
+ /* cannot change into P2P device type */
+ if (ntype == NL80211_IFTYPE_P2P_DEVICE)
+ return -EOPNOTSUPP;
+
if (!rdev->ops->change_virtual_intf ||
!(rdev->wiphy.interface_modes & (1 << ntype)))
return -EOPNOTSUPP;
case NUM_NL80211_IFTYPES:
/* not happening */
break;
+ case NL80211_IFTYPE_P2P_DEVICE:
+ WARN_ON(1);
+ break;
}
}
list_for_each_entry(wdev_iter, &rdev->wdev_list, list) {
if (wdev_iter == wdev)
continue;
- if (!netif_running(wdev_iter->netdev))
- continue;
+ if (wdev_iter->netdev) {
+ if (!netif_running(wdev_iter->netdev))
+ continue;
+ } else if (wdev_iter->iftype == NL80211_IFTYPE_P2P_DEVICE) {
+ if (!wdev_iter->p2p_started)
+ continue;
+ } else {
+ WARN_ON(1);
+ }
if (rdev->wiphy.software_iftypes & BIT(wdev_iter->iftype))
continue;
static struct dst_entry *xfrm_policy_sk_bundles;
static DEFINE_RWLOCK(xfrm_policy_lock);
-static DEFINE_RWLOCK(xfrm_policy_afinfo_lock);
-static struct xfrm_policy_afinfo *xfrm_policy_afinfo[NPROTO];
+static DEFINE_SPINLOCK(xfrm_policy_afinfo_lock);
+static struct xfrm_policy_afinfo __rcu *xfrm_policy_afinfo[NPROTO]
+ __read_mostly;
static struct kmem_cache *xfrm_dst_cache __read_mostly;
-static struct xfrm_policy_afinfo *xfrm_policy_get_afinfo(unsigned short family);
-static void xfrm_policy_put_afinfo(struct xfrm_policy_afinfo *afinfo);
static void xfrm_init_pmtu(struct dst_entry *dst);
static int stale_bundle(struct dst_entry *dst);
static int xfrm_bundle_ok(struct xfrm_dst *xdst);
return false;
}
+static struct xfrm_policy_afinfo *xfrm_policy_get_afinfo(unsigned short family)
+{
+ struct xfrm_policy_afinfo *afinfo;
+
+ if (unlikely(family >= NPROTO))
+ return NULL;
+ rcu_read_lock();
+ afinfo = rcu_dereference(xfrm_policy_afinfo[family]);
+ if (unlikely(!afinfo))
+ rcu_read_unlock();
+ return afinfo;
+}
+
+static void xfrm_policy_put_afinfo(struct xfrm_policy_afinfo *afinfo)
+{
+ rcu_read_unlock();
+}
+
static inline struct dst_entry *__xfrm_dst_lookup(struct net *net, int tos,
const xfrm_address_t *saddr,
const xfrm_address_t *daddr,
return -EINVAL;
if (unlikely(afinfo->family >= NPROTO))
return -EAFNOSUPPORT;
- write_lock_bh(&xfrm_policy_afinfo_lock);
+ spin_lock(&xfrm_policy_afinfo_lock);
if (unlikely(xfrm_policy_afinfo[afinfo->family] != NULL))
err = -ENOBUFS;
else {
dst_ops->neigh_lookup = xfrm_neigh_lookup;
if (likely(afinfo->garbage_collect == NULL))
afinfo->garbage_collect = xfrm_garbage_collect_deferred;
- xfrm_policy_afinfo[afinfo->family] = afinfo;
+ rcu_assign_pointer(xfrm_policy_afinfo[afinfo->family], afinfo);
}
- write_unlock_bh(&xfrm_policy_afinfo_lock);
+ spin_unlock(&xfrm_policy_afinfo_lock);
rtnl_lock();
for_each_net(net) {
return -EINVAL;
if (unlikely(afinfo->family >= NPROTO))
return -EAFNOSUPPORT;
- write_lock_bh(&xfrm_policy_afinfo_lock);
+ spin_lock(&xfrm_policy_afinfo_lock);
if (likely(xfrm_policy_afinfo[afinfo->family] != NULL)) {
if (unlikely(xfrm_policy_afinfo[afinfo->family] != afinfo))
err = -EINVAL;
- else {
- struct dst_ops *dst_ops = afinfo->dst_ops;
- xfrm_policy_afinfo[afinfo->family] = NULL;
- dst_ops->kmem_cachep = NULL;
- dst_ops->check = NULL;
- dst_ops->negative_advice = NULL;
- dst_ops->link_failure = NULL;
- afinfo->garbage_collect = NULL;
- }
+ else
+ RCU_INIT_POINTER(xfrm_policy_afinfo[afinfo->family],
+ NULL);
+ }
+ spin_unlock(&xfrm_policy_afinfo_lock);
+ if (!err) {
+ struct dst_ops *dst_ops = afinfo->dst_ops;
+
+ synchronize_rcu();
+
+ dst_ops->kmem_cachep = NULL;
+ dst_ops->check = NULL;
+ dst_ops->negative_advice = NULL;
+ dst_ops->link_failure = NULL;
+ afinfo->garbage_collect = NULL;
}
- write_unlock_bh(&xfrm_policy_afinfo_lock);
return err;
}
EXPORT_SYMBOL(xfrm_policy_unregister_afinfo);
{
struct xfrm_policy_afinfo *afinfo;
- read_lock_bh(&xfrm_policy_afinfo_lock);
- afinfo = xfrm_policy_afinfo[AF_INET];
+ rcu_read_lock();
+ afinfo = rcu_dereference(xfrm_policy_afinfo[AF_INET]);
if (afinfo)
net->xfrm.xfrm4_dst_ops = *afinfo->dst_ops;
#if IS_ENABLED(CONFIG_IPV6)
- afinfo = xfrm_policy_afinfo[AF_INET6];
+ afinfo = rcu_dereference(xfrm_policy_afinfo[AF_INET6]);
if (afinfo)
net->xfrm.xfrm6_dst_ops = *afinfo->dst_ops;
#endif
- read_unlock_bh(&xfrm_policy_afinfo_lock);
-}
-
-static struct xfrm_policy_afinfo *xfrm_policy_get_afinfo(unsigned short family)
-{
- struct xfrm_policy_afinfo *afinfo;
- if (unlikely(family >= NPROTO))
- return NULL;
- read_lock(&xfrm_policy_afinfo_lock);
- afinfo = xfrm_policy_afinfo[family];
- if (unlikely(!afinfo))
- read_unlock(&xfrm_policy_afinfo_lock);
- return afinfo;
-}
-
-static void xfrm_policy_put_afinfo(struct xfrm_policy_afinfo *afinfo)
-{
- read_unlock(&xfrm_policy_afinfo_lock);
+ rcu_read_unlock();
}
static int xfrm_dev_event(struct notifier_block *this, unsigned long event, void *ptr)
read_lock(&xfrm_km_lock);
list_for_each_entry(km, &xfrm_km_list, list) {
- acqret = km->acquire(x, t, pol, XFRM_POLICY_OUT);
+ acqret = km->acquire(x, t, pol);
if (!acqret)
err = acqret;
}
}
static int build_acquire(struct sk_buff *skb, struct xfrm_state *x,
- struct xfrm_tmpl *xt, struct xfrm_policy *xp,
- int dir)
+ struct xfrm_tmpl *xt, struct xfrm_policy *xp)
{
__u32 seq = xfrm_get_acqseq();
struct xfrm_user_acquire *ua;
memcpy(&ua->id, &x->id, sizeof(ua->id));
memcpy(&ua->saddr, &x->props.saddr, sizeof(ua->saddr));
memcpy(&ua->sel, &x->sel, sizeof(ua->sel));
- copy_to_user_policy(xp, &ua->policy, dir);
+ copy_to_user_policy(xp, &ua->policy, XFRM_POLICY_OUT);
ua->aalgos = xt->aalgos;
ua->ealgos = xt->ealgos;
ua->calgos = xt->calgos;
}
static int xfrm_send_acquire(struct xfrm_state *x, struct xfrm_tmpl *xt,
- struct xfrm_policy *xp, int dir)
+ struct xfrm_policy *xp)
{
struct net *net = xs_net(x);
struct sk_buff *skb;
if (skb == NULL)
return -ENOMEM;
- if (build_acquire(skb, x, xt, xp, dir) < 0)
+ if (build_acquire(skb, x, xt, xp) < 0)
BUG();
return nlmsg_multicast(net->xfrm.nlsk, skb, 0, XFRMNLGRP_ACQUIRE, GFP_ATOMIC);
projects / platform / adaptation / renesas_rcar / renesas_kernel.git / commitdiff