#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/proc_fs.h>
-#include <linux/smp_lock.h>
#include <linux/sched.h>
#include <linux/ptrace.h>
#include "airo.h"
+#define DRV_NAME "airo"
+
#ifdef CONFIG_PCI
static struct pci_device_id card_ids[] = {
{ 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, },
static int airo_pci_resume(struct pci_dev *pdev);
static struct pci_driver airo_driver = {
- .name = "airo",
+ .name = DRV_NAME,
.id_table = card_ids,
.probe = airo_pci_probe,
.remove = __devexit_p(airo_pci_remove),
static void OUT4500( struct airo_info *, u16 register, u16 value );
static unsigned short IN4500( struct airo_info *, u16 register );
static u16 setup_card(struct airo_info*, u8 *mac, int lock);
-static int enable_MAC( struct airo_info *ai, Resp *rsp, int lock );
+static int enable_MAC(struct airo_info *ai, int lock);
static void disable_MAC(struct airo_info *ai, int lock);
static void enable_interrupts(struct airo_info*);
static void disable_interrupts(struct airo_info*);
struct airo_info {
struct net_device_stats stats;
struct net_device *dev;
+ struct list_head dev_list;
/* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we
use the high bit to mark whether it is in use. */
#define MAX_FIDS 6
static int flashrestart(struct airo_info *ai,struct net_device *dev);
#define airo_print(type, name, fmt, args...) \
- { printk(type "airo(%s): " fmt "\n", name, ##args); }
+ printk(type DRV_NAME "(%s): " fmt "\n", name, ##args)
#define airo_print_info(name, fmt, args...) \
airo_print(KERN_INFO, name, fmt, ##args)
return rc;
}
+static void try_auto_wep(struct airo_info *ai)
+{
+ if (auto_wep && !(ai->flags & FLAG_RADIO_DOWN)) {
+ ai->expires = RUN_AT(3*HZ);
+ wake_up_interruptible(&ai->thr_wait);
+ }
+}
+
static int airo_open(struct net_device *dev) {
- struct airo_info *info = dev->priv;
- Resp rsp;
+ struct airo_info *ai = dev->priv;
+ int rc = 0;
- if (test_bit(FLAG_FLASHING, &info->flags))
+ if (test_bit(FLAG_FLASHING, &ai->flags))
return -EIO;
/* Make sure the card is configured.
* Wireless Extensions may postpone config changes until the card
* is open (to pipeline changes and speed-up card setup). If
* those changes are not yet commited, do it now - Jean II */
- if (test_bit (FLAG_COMMIT, &info->flags)) {
- disable_MAC(info, 1);
- writeConfigRid(info, 1);
+ if (test_bit(FLAG_COMMIT, &ai->flags)) {
+ disable_MAC(ai, 1);
+ writeConfigRid(ai, 1);
}
- if (info->wifidev != dev) {
+ if (ai->wifidev != dev) {
+ clear_bit(JOB_DIE, &ai->jobs);
+ ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
+ if (IS_ERR(ai->airo_thread_task))
+ return (int)PTR_ERR(ai->airo_thread_task);
+
+ rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED,
+ dev->name, dev);
+ if (rc) {
+ airo_print_err(dev->name,
+ "register interrupt %d failed, rc %d",
+ dev->irq, rc);
+ set_bit(JOB_DIE, &ai->jobs);
+ kthread_stop(ai->airo_thread_task);
+ return rc;
+ }
+
/* Power on the MAC controller (which may have been disabled) */
- clear_bit(FLAG_RADIO_DOWN, &info->flags);
- enable_interrupts(info);
+ clear_bit(FLAG_RADIO_DOWN, &ai->flags);
+ enable_interrupts(ai);
+
+ try_auto_wep(ai);
}
- enable_MAC(info, &rsp, 1);
+ enable_MAC(ai, 1);
netif_start_queue(dev);
return 0;
{
struct airo_info *ai = dev->priv;
struct sockaddr *addr = p;
- Resp rsp;
readConfigRid(ai, 1);
memcpy (ai->config.macAddr, addr->sa_data, dev->addr_len);
set_bit (FLAG_COMMIT, &ai->flags);
disable_MAC(ai, 1);
writeConfigRid (ai, 1);
- enable_MAC(ai, &rsp, 1);
+ enable_MAC(ai, 1);
memcpy (ai->dev->dev_addr, addr->sa_data, dev->addr_len);
if (ai->wifidev)
memcpy (ai->wifidev->dev_addr, addr->sa_data, dev->addr_len);
return 0;
}
+static LIST_HEAD(airo_devices);
+
+static void add_airo_dev(struct airo_info *ai)
+{
+ /* Upper layers already keep track of PCI devices,
+ * so we only need to remember our non-PCI cards. */
+ if (!ai->pci)
+ list_add_tail(&ai->dev_list, &airo_devices);
+}
+
+static void del_airo_dev(struct airo_info *ai)
+{
+ if (!ai->pci)
+ list_del(&ai->dev_list);
+}
static int airo_close(struct net_device *dev) {
struct airo_info *ai = dev->priv;
disable_MAC(ai, 1);
#endif
disable_interrupts( ai );
+
+ free_irq(dev->irq, dev);
+
+ set_bit(JOB_DIE, &ai->jobs);
+ kthread_stop(ai->airo_thread_task);
}
return 0;
}
-static void del_airo_dev( struct net_device *dev );
-
void stop_airo_card( struct net_device *dev, int freeres )
{
struct airo_info *ai = dev->priv;
set_bit(FLAG_RADIO_DOWN, &ai->flags);
disable_MAC(ai, 1);
disable_interrupts(ai);
- free_irq( dev->irq, dev );
takedown_proc_entry( dev, ai );
if (test_bit(FLAG_REGISTERED, &ai->flags)) {
unregister_netdev( dev );
}
clear_bit(FLAG_REGISTERED, &ai->flags);
}
- set_bit(JOB_DIE, &ai->jobs);
- kthread_stop(ai->airo_thread_task);
-
/*
* Clean out tx queue
*/
}
}
crypto_free_cipher(ai->tfm);
- del_airo_dev( dev );
+ del_airo_dev(ai);
free_netdev( dev );
}
EXPORT_SYMBOL(stop_airo_card);
-static int add_airo_dev( struct net_device *dev );
-
static int wll_header_parse(struct sk_buff *skb, unsigned char *haddr)
{
- memcpy(haddr, skb->mac.raw + 10, ETH_ALEN);
+ memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN);
return ETH_ALEN;
}
* 2) Map PCI memory for issueing commands.
* 3) Allocate memory (shared) to send and receive ethernet frames.
*/
-static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci,
- const char *name)
+static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
{
unsigned long mem_start, mem_len, aux_start, aux_len;
int rc = -1;
aux_start = pci_resource_start(pci, 2);
aux_len = AUXMEMSIZE;
- if (!request_mem_region(mem_start, mem_len, name)) {
- airo_print_err(ai->dev->name, "Couldn't get region %x[%x] for %s",
- (int)mem_start, (int)mem_len, name);
+ if (!request_mem_region(mem_start, mem_len, DRV_NAME)) {
+ airo_print_err("", "Couldn't get region %x[%x]",
+ (int)mem_start, (int)mem_len);
goto out;
}
- if (!request_mem_region(aux_start, aux_len, name)) {
- airo_print_err(ai->dev->name, "Couldn't get region %x[%x] for %s",
- (int)aux_start, (int)aux_len, name);
+ if (!request_mem_region(aux_start, aux_len, DRV_NAME)) {
+ airo_print_err("", "Couldn't get region %x[%x]",
+ (int)aux_start, (int)aux_len);
goto free_region1;
}
ai->pcimem = ioremap(mem_start, mem_len);
if (!ai->pcimem) {
- airo_print_err(ai->dev->name, "Couldn't map region %x[%x] for %s",
- (int)mem_start, (int)mem_len, name);
+ airo_print_err("", "Couldn't map region %x[%x]",
+ (int)mem_start, (int)mem_len);
goto free_region2;
}
ai->pciaux = ioremap(aux_start, aux_len);
if (!ai->pciaux) {
- airo_print_err(ai->dev->name, "Couldn't map region %x[%x] for %s",
- (int)aux_start, (int)aux_len, name);
+ airo_print_err("", "Couldn't map region %x[%x]",
+ (int)aux_start, (int)aux_len);
goto free_memmap;
}
/* Reserve PKTSIZE for each fid and 2K for the Rids */
ai->shared = pci_alloc_consistent(pci, PCI_SHARED_LEN, &ai->shared_dma);
if (!ai->shared) {
- airo_print_err(ai->dev->name, "Couldn't alloc_consistent %d",
- PCI_SHARED_LEN);
+ airo_print_err("", "Couldn't alloc_consistent %d",
+ PCI_SHARED_LEN);
goto free_auxmap;
}
kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement),
GFP_KERNEL);
if (!ai->networks) {
- airo_print_warn(ai->dev->name, "Out of memory allocating beacons");
+ airo_print_warn("", "Out of memory allocating beacons");
return -ENOMEM;
}
static void airo_networks_free(struct airo_info *ai)
{
- if (!ai->networks)
- return;
kfree(ai->networks);
ai->networks = NULL;
}
{
int status;
CapabilityRid cap_rid;
- const char *name = ai->dev->name;
status = readCapabilityRid(ai, &cap_rid, 1);
if (status != SUCCESS) return 0;
/* Only firmware versions 5.30.17 or better can do WPA */
if ((cap_rid.softVer > 0x530)
|| ((cap_rid.softVer == 0x530) && (cap_rid.softSubVer >= 17))) {
- airo_print_info(name, "WPA is supported.");
+ airo_print_info("", "WPA is supported.");
return 1;
}
/* No WPA support */
- airo_print_info(name, "WPA unsupported (only firmware versions 5.30.17"
+ airo_print_info("", "WPA unsupported (only firmware versions 5.30.17"
" and greater support WPA. Detected %s)", cap_rid.prodVer);
return 0;
}
int i, rc;
/* Create the network device object. */
- dev = alloc_etherdev(sizeof(*ai));
- if (!dev) {
+ dev = alloc_netdev(sizeof(*ai), "", ether_setup);
+ if (!dev) {
airo_print_err("", "Couldn't alloc_etherdev");
return NULL;
- }
- if (dev_alloc_name(dev, dev->name) < 0) {
- airo_print_err("", "Couldn't get name!");
- goto err_out_free;
}
ai = dev->priv;
ai->jobs = 0;
ai->dev = dev;
if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) {
- airo_print_dbg(dev->name, "Found an MPI350 card");
+ airo_print_dbg("", "Found an MPI350 card");
set_bit(FLAG_MPI, &ai->flags);
}
spin_lock_init(&ai->aux_lock);
ai->config.len = 0;
ai->pci = pci;
init_waitqueue_head (&ai->thr_wait);
- ai->airo_thread_task = kthread_run(airo_thread, dev, dev->name);
- if (IS_ERR(ai->airo_thread_task))
- goto err_out_free;
ai->tfm = NULL;
- rc = add_airo_dev( dev );
- if (rc)
- goto err_out_thr;
+ add_airo_dev(ai);
if (airo_networks_allocate (ai))
- goto err_out_unlink;
+ goto err_out_free;
airo_networks_initialize (ai);
/* The Airo-specific entries in the device structure. */
dev->base_addr = port;
SET_NETDEV_DEV(dev, dmdev);
+ SET_MODULE_OWNER(dev);
reset_card (dev, 1);
msleep(400);
- rc = request_irq( dev->irq, airo_interrupt, IRQF_SHARED, dev->name, dev );
- if (rc) {
- airo_print_err(dev->name, "register interrupt %d failed, rc %d",
- irq, rc);
- goto err_out_nets;
- }
if (!is_pcmcia) {
- if (!request_region( dev->base_addr, 64, dev->name )) {
+ if (!request_region(dev->base_addr, 64, DRV_NAME)) {
rc = -EBUSY;
airo_print_err(dev->name, "Couldn't request region");
- goto err_out_irq;
+ goto err_out_nets;
}
}
if (test_bit(FLAG_MPI,&ai->flags)) {
- if (mpi_map_card(ai, pci, dev->name)) {
- airo_print_err(dev->name, "Could not map memory");
+ if (mpi_map_card(ai, pci)) {
+ airo_print_err("", "Could not map memory");
goto err_out_res;
}
}
ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra);
}
+ strcpy(dev->name, "eth%d");
rc = register_netdev(dev);
if (rc) {
airo_print_err(dev->name, "Couldn't register_netdev");
if (setup_proc_entry(dev, dev->priv) < 0)
goto err_out_wifi;
- netif_start_queue(dev);
- SET_MODULE_OWNER(dev);
return dev;
err_out_wifi:
err_out_res:
if (!is_pcmcia)
release_region( dev->base_addr, 64 );
-err_out_irq:
- free_irq(dev->irq, dev);
err_out_nets:
airo_networks_free(ai);
-err_out_unlink:
- del_airo_dev(dev);
-err_out_thr:
- set_bit(JOB_DIE, &ai->jobs);
- kthread_stop(ai->airo_thread_task);
+ del_airo_dev(ai);
err_out_free:
free_netdev(dev);
return NULL;
OUT4500( apriv, EVACK, EV_RX);
if (test_bit(FLAG_802_11, &apriv->flags)) {
- skb->mac.raw = skb->data;
+ skb_reset_mac_header(skb);
skb->pkt_type = PACKET_OTHERHOST;
skb->dev = apriv->wifidev;
skb->protocol = htons(ETH_P_802_2);
- } else {
- skb->dev = dev;
+ } else
skb->protocol = eth_type_trans(skb,dev);
- }
skb->dev->last_rx = jiffies;
skb->ip_summed = CHECKSUM_NONE;
return rc;
}
-static int enable_MAC( struct airo_info *ai, Resp *rsp, int lock ) {
+static int enable_MAC(struct airo_info *ai, int lock)
+{
int rc;
- Cmd cmd;
+ Cmd cmd;
+ Resp rsp;
/* FLAG_RADIO_OFF : Radio disabled via /proc or Wireless Extensions
* FLAG_RADIO_DOWN : Radio disabled via "ifconfig ethX down"
if (!test_bit(FLAG_ENABLED, &ai->flags)) {
memset(&cmd, 0, sizeof(cmd));
cmd.cmd = MAC_ENABLE;
- rc = issuecommand(ai, &cmd, rsp);
+ rc = issuecommand(ai, &cmd, &rsp);
if (rc == SUCCESS)
set_bit(FLAG_ENABLED, &ai->flags);
} else
up(&ai->sem);
if (rc)
- airo_print_err(ai->dev->name, "%s: Cannot enable MAC, err=%d",
- __FUNCTION__, rc);
+ airo_print_err(ai->dev->name, "Cannot enable MAC");
+ else if ((rsp.status & 0xFF00) != 0) {
+ airo_print_err(ai->dev->name, "Bad MAC enable reason=%x, "
+ "rid=%x, offset=%d", rsp.rsp0, rsp.rsp1, rsp.rsp2);
+ rc = ERROR;
+ }
return rc;
}
}
#endif /* WIRELESS_SPY */
- skb->dev = ai->dev;
skb->ip_summed = CHECKSUM_NONE;
skb->protocol = eth_type_trans(skb, ai->dev);
skb->dev->last_rx = jiffies;
wireless_spy_update(ai->dev, sa, &wstats);
}
#endif /* IW_WIRELESS_SPY */
- skb->mac.raw = skb->data;
+ skb_reset_mac_header(skb);
skb->pkt_type = PACKET_OTHERHOST;
skb->dev = ai->wifidev;
skb->protocol = htons(ETH_P_802_2);
if ( status != SUCCESS ) return ERROR;
}
- status = enable_MAC(ai, &rsp, lock);
- if ( status != SUCCESS || (rsp.status & 0xFF00) != 0) {
- airo_print_err(ai->dev->name, "Bad MAC enable reason = %x, rid = %x,"
- " offset = %d", rsp.rsp0, rsp.rsp1, rsp.rsp2 );
+ status = enable_MAC(ai, lock);
+ if (status != SUCCESS)
return ERROR;
- }
/* Grab the initial wep key, we gotta save it for auto_wep */
rc = readWepKeyRid(ai, &wkr, 1, lock);
rc = readWepKeyRid(ai, &wkr, 0, lock);
} while(lastindex != wkr.kindex);
- if (auto_wep) {
- ai->expires = RUN_AT(3*HZ);
- wake_up_interruptible(&ai->thr_wait);
- }
+ try_auto_wep(ai);
return SUCCESS;
}
}
if ( !(max_tries--) ) {
airo_print_err(ai->dev->name,
- "airo: BAP setup error too many retries\n");
+ "BAP setup error too many retries\n");
return ERROR;
}
// -- PC4500 missed it, try again
struct net_device *dev = dp->data;
struct airo_info *ai = dev->priv;
SsidRid SSID_rid;
- Resp rsp;
int i;
int offset = 0;
SSID_rid.len = sizeof(SSID_rid);
disable_MAC(ai, 1);
writeSsidRid(ai, &SSID_rid, 1);
- enable_MAC(ai, &rsp, 1);
+ enable_MAC(ai, 1);
}
static inline u8 hexVal(char c) {
struct net_device *dev = dp->data;
struct airo_info *ai = dev->priv;
APListRid APList_rid;
- Resp rsp;
int i;
if ( !data->writelen ) return;
}
disable_MAC(ai, 1);
writeAPListRid(ai, &APList_rid, 1);
- enable_MAC(ai, &rsp, 1);
+ enable_MAC(ai, 1);
}
/* This function wraps PC4500_writerid with a MAC disable */
static int do_writerid( struct airo_info *ai, u16 rid, const void *rid_data,
int len, int dummy ) {
int rc;
- Resp rsp;
disable_MAC(ai, 1);
rc = PC4500_writerid(ai, rid, rid_data, len, 1);
- enable_MAC(ai, &rsp, 1);
+ enable_MAC(ai, 1);
return rc;
}
const char *key, u16 keylen, int perm, int lock ) {
static const unsigned char macaddr[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
WepKeyRid wkr;
- Resp rsp;
memset(&wkr, 0, sizeof(wkr));
if (keylen == 0) {
if (perm) disable_MAC(ai, lock);
writeWepKeyRid(ai, &wkr, perm, lock);
- if (perm) enable_MAC(ai, &rsp, lock);
+ if (perm) enable_MAC(ai, lock);
return 0;
}
return 0;
}
-static struct net_device_list {
- struct net_device *dev;
- struct net_device_list *next;
-} *airo_devices;
-
/* Since the card doesn't automatically switch to the right WEP mode,
we will make it do it. If the card isn't associated, every secs we
will switch WEP modes to see if that will help. If the card is
changed. */
static void timer_func( struct net_device *dev ) {
struct airo_info *apriv = dev->priv;
- Resp rsp;
/* We don't have a link so try changing the authtype */
readConfigRid(apriv, 0);
}
set_bit (FLAG_COMMIT, &apriv->flags);
writeConfigRid(apriv, 0);
- enable_MAC(apriv, &rsp, 0);
+ enable_MAC(apriv, 0);
up(&apriv->sem);
/* Schedule check to see if the change worked */
apriv->expires = RUN_AT(HZ*3);
}
-static int add_airo_dev( struct net_device *dev ) {
- struct net_device_list *node = kmalloc( sizeof( *node ), GFP_KERNEL );
- if ( !node )
- return -ENOMEM;
-
- node->dev = dev;
- node->next = airo_devices;
- airo_devices = node;
-
- return 0;
-}
-
-static void del_airo_dev( struct net_device *dev ) {
- struct net_device_list **p = &airo_devices;
- while( *p && ( (*p)->dev != dev ) )
- p = &(*p)->next;
- if ( *p && (*p)->dev == dev )
- *p = (*p)->next;
-}
-
#ifdef CONFIG_PCI
static int __devinit airo_pci_probe(struct pci_dev *pdev,
const struct pci_device_id *pent)
dev = _init_airo_card(pdev->irq, pdev->resource[0].start, 0, pdev, &pdev->dev);
else
dev = _init_airo_card(pdev->irq, pdev->resource[2].start, 0, pdev, &pdev->dev);
- if (!dev)
+ if (!dev) {
+ pci_disable_device(pdev);
return -ENODEV;
+ }
pci_set_drvdata(pdev, dev);
return 0;
static void __devexit airo_pci_remove(struct pci_dev *pdev)
{
+ struct net_device *dev = pci_get_drvdata(pdev);
+
+ airo_print_info(dev->name, "Unregistering...");
+ stop_airo_card(dev, 1);
+ pci_disable_device(pdev);
+ pci_set_drvdata(pdev, NULL);
}
static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state)
{
struct net_device *dev = pci_get_drvdata(pdev);
struct airo_info *ai = dev->priv;
- Resp rsp;
pci_power_t prev_state = pdev->current_state;
pci_set_power_state(pdev, PCI_D0);
ai->APList = NULL;
}
writeConfigRid(ai, 0);
- enable_MAC(ai, &rsp, 0);
+ enable_MAC(ai, 0);
ai->power = PMSG_ON;
netif_device_attach(dev);
netif_wake_queue(dev);
static void __exit airo_cleanup_module( void )
{
- while( airo_devices ) {
- airo_print_info(airo_devices->dev->name, "Unregistering...\n");
- stop_airo_card( airo_devices->dev, 1 );
+ struct airo_info *ai;
+ while(!list_empty(&airo_devices)) {
+ ai = list_entry(airo_devices.next, struct airo_info, dev_list);
+ airo_print_info(ai->dev->name, "Unregistering...");
+ stop_airo_card(ai->dev, 1);
}
#ifdef CONFIG_PCI
pci_unregister_driver(&airo_driver);
char *extra)
{
struct airo_info *local = dev->priv;
- Resp rsp;
SsidRid SSID_rid; /* SSIDs */
/* Reload the list of current SSID */
/* Write it to the card */
disable_MAC(local, 1);
writeSsidRid(local, &SSID_rid, 1);
- enable_MAC(local, &rsp, 1);
+ enable_MAC(local, 1);
return 0;
}
memcpy(APList_rid.ap[0], awrq->sa_data, ETH_ALEN);
disable_MAC(local, 1);
writeAPListRid(local, &APList_rid, 1);
- enable_MAC(local, &rsp, 1);
+ enable_MAC(local, 1);
}
return 0;
}
char *extra) /* NULL */
{
struct airo_info *local = dev->priv;
- Resp rsp;
if (!test_bit (FLAG_COMMIT, &local->flags))
return 0;
if (down_interruptible(&local->sem))
return -ERESTARTSYS;
writeConfigRid(local, 0);
- enable_MAC(local, &rsp, 0);
+ enable_MAC(local, 0);
if (test_bit (FLAG_RESET, &local->flags))
airo_set_promisc(local);
else
unsigned char *iobuf;
int len;
struct airo_info *ai = dev->priv;
- Resp rsp;
if (test_bit(FLAG_FLASHING, &ai->flags))
return -EIO;
if (test_bit(FLAG_COMMIT, &ai->flags)) {
disable_MAC (ai, 1);
writeConfigRid (ai, 1);
- enable_MAC (ai, &rsp, 1);
+ enable_MAC(ai, 1);
}
break;
case AIROGSLIST: ridcode = RID_SSID; break;
struct airo_info *ai = dev->priv;
int ridcode;
int enabled;
- Resp rsp;
static int (* writer)(struct airo_info *, u16 rid, const void *, int, int);
unsigned char *iobuf;
* same with MAC off
*/
case AIROPMACON:
- if (enable_MAC(ai, &rsp, 1) != 0)
+ if (enable_MAC(ai, 1) != 0)
return -EIO;
return 0;