Merge branch 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6
authorLinus Torvalds <torvalds@linux-foundation.org>
Tue, 5 May 2009 15:27:14 +0000 (08:27 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Tue, 5 May 2009 15:27:14 +0000 (08:27 -0700)
* 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6:
  i2c-algo-pca: Let PCA9564 recover from unacked data byte (state 0x30)
  i2c-algo-bit: Fix timeout test
  i2c: Timeouts off by 1

64 files changed:
MAINTAINERS
arch/powerpc/kernel/cputable.c
drivers/mmc/card/block.c
drivers/mmc/core/core.c
drivers/mmc/host/mmci.c
drivers/mmc/host/mvsdio.c
drivers/mmc/host/sdhci-pci.c
drivers/mmc/host/sdhci.h
drivers/net/bonding/bond_alb.c
drivers/net/bonding/bond_main.c
drivers/net/cxgb3/t3_hw.c
drivers/net/e1000/e1000_main.c
drivers/net/ehea/ehea.h
drivers/net/ehea/ehea_main.c
drivers/net/mv643xx_eth.c
drivers/net/ne2k-pci.c
drivers/net/netconsole.c
drivers/net/usb/Kconfig
drivers/net/usb/Makefile
drivers/net/usb/cdc_eem.c [new file with mode: 0644]
drivers/net/usb/smsc95xx.c
drivers/net/usb/smsc95xx.h
drivers/net/virtio_net.c
drivers/net/wireless/ath5k/debug.c
drivers/net/wireless/iwlwifi/iwl-scan.c
drivers/net/wireless/iwlwifi/iwl3945-base.c
drivers/net/wireless/rndis_wlan.c
fs/nfs/file.c
fs/proc/array.c
fs/proc/base.c
include/linux/netfilter/x_tables.h
include/linux/usb/cdc.h
include/linux/virtio_net.h
include/net/9p/client.h
include/net/bluetooth/hci_core.h
include/net/tcp.h
net/9p/client.c
net/9p/trans_fd.c
net/9p/trans_rdma.c
net/9p/trans_virtio.c
net/atm/br2684.c
net/bluetooth/hci_conn.c
net/bluetooth/hci_sysfs.c
net/core/dev.c
net/core/skbuff.c
net/ipv4/tcp_input.c
net/mac80211/main.c
net/netfilter/Kconfig
net/sched/cls_api.c
security/selinux/hooks.c
sound/core/pcm_lib.c
sound/isa/msnd/msnd.c
sound/pci/bt87x.c
sound/pci/echoaudio/indigodjx.c
sound/pci/echoaudio/indigoiox.c
sound/pci/korg1212/korg1212.c
sound/pcmcia/pdaudiocf/pdaudiocf_pcm.c
sound/soc/au1x/dbdma2.c
sound/soc/codecs/twl4030.c
sound/soc/codecs/wm8350.c
sound/soc/fsl/mpc5200_psc_i2s.c
sound/soc/sh/dma-sh7760.c
sound/sparc/dbri.c
sound/usb/usx2y/usbusx2yaudio.c

index 9de961b..2b349ba 100644 (file)
@@ -3434,11 +3434,10 @@ L:      linuxppc-dev@ozlabs.org
 S:     Maintained
 
 LINUX FOR POWERPC EMBEDDED MPC5XXX
-P:     Sylvain Munaut
-M:     tnt@246tNt.com
 P:     Grant Likely
 M:     grant.likely@secretlab.ca
 L:     linuxppc-dev@ozlabs.org
+T:     git git://git.secretlab.ca/git/linux-2.6.git
 S:     Maintained
 
 LINUX FOR POWERPC EMBEDDED PPC4XX
@@ -3456,6 +3455,7 @@ P:        Grant Likely
 M:     grant.likely@secretlab.ca
 W:     http://wiki.secretlab.ca/index.php/Linux_on_Xilinx_Virtex
 L:     linuxppc-dev@ozlabs.org
+T:     git git://git.secretlab.ca/git/linux-2.6.git
 S:     Maintained
 
 LINUX FOR POWERPC EMBEDDED PPC8XX
index cd1b687..f9c40f8 100644 (file)
@@ -382,7 +382,8 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .icache_bsize           = 128,
                .dcache_bsize           = 128,
                .machine_check          = machine_check_generic,
-               .oprofile_cpu_type      = "ppc64/compat-power5+",
+               .oprofile_cpu_type      = "ppc64/ibm-compat-v1",
+               .oprofile_type          = PPC_OPROFILE_POWER4,
                .platform               = "power5+",
        },
        {       /* Power6 */
@@ -416,7 +417,8 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .icache_bsize           = 128,
                .dcache_bsize           = 128,
                .machine_check          = machine_check_generic,
-               .oprofile_cpu_type      = "ppc64/compat-power6",
+               .oprofile_cpu_type      = "ppc64/ibm-compat-v1",
+               .oprofile_type          = PPC_OPROFILE_POWER4,
                .platform               = "power6",
        },
        {       /* 2.06-compliant processor, i.e. Power7 "architected" mode */
@@ -429,7 +431,8 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .icache_bsize           = 128,
                .dcache_bsize           = 128,
                .machine_check          = machine_check_generic,
-               .oprofile_cpu_type      = "ppc64/compat-power7",
+               .oprofile_type          = PPC_OPROFILE_POWER4,
+               .oprofile_cpu_type      = "ppc64/ibm-compat-v1",
                .platform               = "power7",
        },
        {       /* Power7 */
@@ -1833,8 +1836,10 @@ static void __init setup_cpu_spec(unsigned long offset, struct cpu_spec *s)
                 * and, in that case, keep the current value for
                 * oprofile_cpu_type.
                 */
-               if (old.oprofile_cpu_type == NULL)
-                       t->oprofile_cpu_type = s->oprofile_cpu_type;
+               if (old.oprofile_cpu_type == NULL) {
+                       t->oprofile_cpu_type = old.oprofile_cpu_type;
+                       t->oprofile_type = old.oprofile_type;
+               }
        }
 
        *PTRRELOC(&cur_cpu_spec) = &the_cpu_spec;
index fe8041e..b25e9b6 100644 (file)
@@ -254,6 +254,14 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req)
                brq.data.blocks = req->nr_sectors;
 
                /*
+                * The block layer doesn't support all sector count
+                * restrictions, so we need to be prepared for too big
+                * requests.
+                */
+               if (brq.data.blocks > card->host->max_blk_count)
+                       brq.data.blocks = card->host->max_blk_count;
+
+               /*
                 * After a read error, we redo the request one sector at a time
                 * in order to accurately determine which sectors can be read
                 * successfully.
index fa073ab..2649117 100644 (file)
@@ -706,7 +706,7 @@ static void mmc_power_up(struct mmc_host *host)
         * This delay should be sufficient to allow the power supply
         * to reach the minimum voltage.
         */
-       mmc_delay(2);
+       mmc_delay(10);
 
        host->ios.clock = host->f_min;
        host->ios.power_mode = MMC_POWER_ON;
@@ -716,7 +716,7 @@ static void mmc_power_up(struct mmc_host *host)
         * This delay must be at least 74 clock sizes, or 1 ms, or the
         * time required to reach a stable voltage.
         */
-       mmc_delay(2);
+       mmc_delay(10);
 }
 
 static void mmc_power_off(struct mmc_host *host)
index a663429..36875dc 100644 (file)
@@ -514,6 +514,7 @@ static int __devinit mmci_probe(struct amba_device *dev, void *id)
        }
 
        host = mmc_priv(mmc);
+       host->mmc = mmc;
        /* Bits 12 thru 19 is the designer */
        host->hw_designer = (dev->periphid >> 12) & 0xff;
        /* Bits 20 thru 23 is the revison */
@@ -545,7 +546,6 @@ static int __devinit mmci_probe(struct amba_device *dev, void *id)
                host->mclk = clk_get_rate(host->clk);
                DBG(host, "eventual mclk rate: %u Hz\n", host->mclk);
        }
-       host->mmc = mmc;
        host->base = ioremap(dev->res.start, SZ_4K);
        if (!host->base) {
                ret = -ENOMEM;
index b5c375d..c643d0f 100644 (file)
@@ -825,24 +825,23 @@ static int __exit mvsd_remove(struct platform_device *pdev)
 }
 
 #ifdef CONFIG_PM
-static int mvsd_suspend(struct platform_device *dev, pm_message_t state,
-                          u32 level)
+static int mvsd_suspend(struct platform_device *dev, pm_message_t state)
 {
        struct mmc_host *mmc = platform_get_drvdata(dev);
        int ret = 0;
 
-       if (mmc && level == SUSPEND_DISABLE)
+       if (mmc)
                ret = mmc_suspend_host(mmc, state);
 
        return ret;
 }
 
-static int mvsd_resume(struct platform_device *dev, u32 level)
+static int mvsd_resume(struct platform_device *dev)
 {
-       struct mmc_host *mmc = platform_dev_get_drvdata(dev);
+       struct mmc_host *mmc = platform_get_drvdata(dev);
        int ret = 0;
 
-       if (mmc && level == RESUME_ENABLE)
+       if (mmc)
                ret = mmc_resume_host(mmc);
 
        return ret;
index cd37962..65be279 100644 (file)
@@ -522,8 +522,8 @@ static struct sdhci_pci_slot * __devinit sdhci_pci_probe_slot(
 
        host = sdhci_alloc_host(&pdev->dev, sizeof(struct sdhci_pci_slot));
        if (IS_ERR(host)) {
-               ret = PTR_ERR(host);
-               goto unmap;
+               dev_err(&pdev->dev, "cannot allocate host\n");
+               return ERR_PTR(PTR_ERR(host));
        }
 
        slot = sdhci_priv(host);
@@ -541,7 +541,7 @@ static struct sdhci_pci_slot * __devinit sdhci_pci_probe_slot(
        ret = pci_request_region(pdev, bar, mmc_hostname(host->mmc));
        if (ret) {
                dev_err(&pdev->dev, "cannot request region\n");
-               return ERR_PTR(ret);
+               goto free;
        }
 
        addr = pci_resource_start(pdev, bar);
@@ -572,6 +572,8 @@ unmap:
 
 release:
        pci_release_region(pdev, bar);
+
+free:
        sdhci_free_host(host);
 
        return ERR_PTR(ret);
index f20a834..65c6f99 100644 (file)
 #define  SDHCI_INT_DATA_MASK   (SDHCI_INT_DATA_END | SDHCI_INT_DMA_END | \
                SDHCI_INT_DATA_AVAIL | SDHCI_INT_SPACE_AVAIL | \
                SDHCI_INT_DATA_TIMEOUT | SDHCI_INT_DATA_CRC | \
-               SDHCI_INT_DATA_END_BIT)
+               SDHCI_INT_DATA_END_BIT | SDHCI_ADMA_ERROR)
 #define SDHCI_INT_ALL_MASK     ((unsigned int)-1)
 
 #define SDHCI_ACMD12_ERR       0x3C
index 553a899..46d312b 100644 (file)
@@ -1706,10 +1706,8 @@ void bond_alb_handle_active_change(struct bonding *bond, struct slave *new_slave
  * Called with RTNL
  */
 int bond_alb_set_mac_address(struct net_device *bond_dev, void *addr)
-       __releases(&bond->curr_slave_lock)
-       __releases(&bond->lock)
        __acquires(&bond->lock)
-       __acquires(&bond->curr_slave_lock)
+       __releases(&bond->lock)
 {
        struct bonding *bond = netdev_priv(bond_dev);
        struct sockaddr *sa = addr;
@@ -1745,9 +1743,6 @@ int bond_alb_set_mac_address(struct net_device *bond_dev, void *addr)
                }
        }
 
-       write_unlock_bh(&bond->curr_slave_lock);
-       read_unlock(&bond->lock);
-
        if (swap_slave) {
                alb_swap_mac_addr(bond, swap_slave, bond->curr_active_slave);
                alb_fasten_mac_swap(bond, swap_slave, bond->curr_active_slave);
@@ -1755,16 +1750,15 @@ int bond_alb_set_mac_address(struct net_device *bond_dev, void *addr)
                alb_set_slave_mac_addr(bond->curr_active_slave, bond_dev->dev_addr,
                                       bond->alb_info.rlb_enabled);
 
+               read_lock(&bond->lock);
                alb_send_learning_packets(bond->curr_active_slave, bond_dev->dev_addr);
                if (bond->alb_info.rlb_enabled) {
                        /* inform clients mac address has changed */
                        rlb_req_update_slave_clients(bond, bond->curr_active_slave);
                }
+               read_unlock(&bond->lock);
        }
 
-       read_lock(&bond->lock);
-       write_lock_bh(&bond->curr_slave_lock);
-
        return 0;
 }
 
index 63369b6..2188a96 100644 (file)
@@ -2213,33 +2213,24 @@ static int bond_slave_info_query(struct net_device *bond_dev, struct ifslave *in
 {
        struct bonding *bond = netdev_priv(bond_dev);
        struct slave *slave;
-       int i, found = 0;
-
-       if (info->slave_id < 0) {
-               return -ENODEV;
-       }
+       int i, res = -ENODEV;
 
        read_lock(&bond->lock);
 
        bond_for_each_slave(bond, slave, i) {
                if (i == (int)info->slave_id) {
-                       found = 1;
+                       res = 0;
+                       strcpy(info->slave_name, slave->dev->name);
+                       info->link = slave->link;
+                       info->state = slave->state;
+                       info->link_failure_count = slave->link_failure_count;
                        break;
                }
        }
 
        read_unlock(&bond->lock);
 
-       if (found) {
-               strcpy(info->slave_name, slave->dev->name);
-               info->link = slave->link;
-               info->state = slave->state;
-               info->link_failure_count = slave->link_failure_count;
-       } else {
-               return -ENODEV;
-       }
-
-       return 0;
+       return res;
 }
 
 /*-------------------------------- Monitoring -------------------------------*/
@@ -5167,16 +5158,15 @@ int bond_create(char *name, struct bond_params *params)
        up_write(&bonding_rwsem);
        rtnl_unlock(); /* allows sysfs registration of net device */
        res = bond_create_sysfs_entry(netdev_priv(bond_dev));
-       if (res < 0) {
-               rtnl_lock();
-               down_write(&bonding_rwsem);
-               bond_deinit(bond_dev);
-               unregister_netdevice(bond_dev);
-               goto out_rtnl;
-       }
+       if (res < 0)
+               goto out_unreg;
 
        return 0;
 
+out_unreg:
+       rtnl_lock();
+       down_write(&bonding_rwsem);
+       unregister_netdevice(bond_dev);
 out_bond:
        bond_deinit(bond_dev);
 out_netdev:
index e1bd690..4f68aeb 100644 (file)
@@ -3779,7 +3779,7 @@ int t3_prep_adapter(struct adapter *adapter, const struct adapter_info *ai,
 
        adapter->params.info = ai;
        adapter->params.nports = ai->nports0 + ai->nports1;
-       adapter->params.chan_map = !!ai->nports0 | (!!ai->nports1 << 1);
+       adapter->params.chan_map = (!!ai->nports0) | (!!ai->nports1 << 1);
        adapter->params.rev = t3_read_reg(adapter, A_PL_REV);
        /*
         * We used to only run the "adapter check task" once a second if
index 6a46cee..b1419e2 100644 (file)
@@ -3738,7 +3738,7 @@ static irqreturn_t e1000_intr(int irq, void *data)
        struct e1000_hw *hw = &adapter->hw;
        u32 rctl, icr = er32(ICR);
 
-       if (unlikely((!icr) || test_bit(__E1000_RESETTING, &adapter->flags)))
+       if (unlikely((!icr) || test_bit(__E1000_DOWN, &adapter->flags)))
                return IRQ_NONE;  /* Not our interrupt */
 
        /* IMS will not auto-mask if INT_ASSERTED is not set, and if it is
index 6e317ca..16a4138 100644 (file)
@@ -40,7 +40,7 @@
 #include <asm/io.h>
 
 #define DRV_NAME       "ehea"
-#define DRV_VERSION    "EHEA_0100"
+#define DRV_VERSION    "EHEA_0101"
 
 /* eHEA capability flags */
 #define DLPAR_PORT_ADD_REM 1
index 604c844..b22dab9 100644 (file)
@@ -545,14 +545,17 @@ static inline struct sk_buff *get_skb_by_index(struct sk_buff **skb_array,
        x &= (arr_len - 1);
 
        pref = skb_array[x];
-       prefetchw(pref);
-       prefetchw(pref + EHEA_CACHE_LINE);
-
-       pref = (skb_array[x]->data);
-       prefetch(pref);
-       prefetch(pref + EHEA_CACHE_LINE);
-       prefetch(pref + EHEA_CACHE_LINE * 2);
-       prefetch(pref + EHEA_CACHE_LINE * 3);
+       if (pref) {
+               prefetchw(pref);
+               prefetchw(pref + EHEA_CACHE_LINE);
+
+               pref = (skb_array[x]->data);
+               prefetch(pref);
+               prefetch(pref + EHEA_CACHE_LINE);
+               prefetch(pref + EHEA_CACHE_LINE * 2);
+               prefetch(pref + EHEA_CACHE_LINE * 3);
+       }
+
        skb = skb_array[skb_index];
        skb_array[skb_index] = NULL;
        return skb;
@@ -569,12 +572,14 @@ static inline struct sk_buff *get_skb_by_index_ll(struct sk_buff **skb_array,
        x &= (arr_len - 1);
 
        pref = skb_array[x];
-       prefetchw(pref);
-       prefetchw(pref + EHEA_CACHE_LINE);
+       if (pref) {
+               prefetchw(pref);
+               prefetchw(pref + EHEA_CACHE_LINE);
 
-       pref = (skb_array[x]->data);
-       prefetchw(pref);
-       prefetchw(pref + EHEA_CACHE_LINE);
+               pref = (skb_array[x]->data);
+               prefetchw(pref);
+               prefetchw(pref + EHEA_CACHE_LINE);
+       }
 
        skb = skb_array[wqe_index];
        skb_array[wqe_index] = NULL;
index b3185bf..a400d71 100644 (file)
@@ -393,12 +393,12 @@ struct mv643xx_eth_private {
        struct work_struct tx_timeout_task;
 
        struct napi_struct napi;
+       u8 oom;
        u8 work_link;
        u8 work_tx;
        u8 work_tx_end;
        u8 work_rx;
        u8 work_rx_refill;
-       u8 work_rx_oom;
 
        int skb_size;
        struct sk_buff_head rx_recycle;
@@ -661,7 +661,7 @@ static int rxq_refill(struct rx_queue *rxq, int budget)
                                            dma_get_cache_alignment() - 1);
 
                if (skb == NULL) {
-                       mp->work_rx_oom |= 1 << rxq->index;
+                       mp->oom = 1;
                        goto oom;
                }
 
@@ -1255,7 +1255,6 @@ static void mib_counters_update(struct mv643xx_eth_private *mp)
 
        spin_lock_bh(&mp->mib_counters_lock);
        p->good_octets_received += mib_read(mp, 0x00);
-       p->good_octets_received += (u64)mib_read(mp, 0x04) << 32;
        p->bad_octets_received += mib_read(mp, 0x08);
        p->internal_mac_transmit_err += mib_read(mp, 0x0c);
        p->good_frames_received += mib_read(mp, 0x10);
@@ -1269,7 +1268,6 @@ static void mib_counters_update(struct mv643xx_eth_private *mp)
        p->frames_512_to_1023_octets += mib_read(mp, 0x30);
        p->frames_1024_to_max_octets += mib_read(mp, 0x34);
        p->good_octets_sent += mib_read(mp, 0x38);
-       p->good_octets_sent += (u64)mib_read(mp, 0x3c) << 32;
        p->good_frames_sent += mib_read(mp, 0x40);
        p->excessive_collision += mib_read(mp, 0x44);
        p->multicast_frames_sent += mib_read(mp, 0x48);
@@ -2167,8 +2165,10 @@ static int mv643xx_eth_poll(struct napi_struct *napi, int budget)
 
        mp = container_of(napi, struct mv643xx_eth_private, napi);
 
-       mp->work_rx_refill |= mp->work_rx_oom;
-       mp->work_rx_oom = 0;
+       if (unlikely(mp->oom)) {
+               mp->oom = 0;
+               del_timer(&mp->rx_oom);
+       }
 
        work_done = 0;
        while (work_done < budget) {
@@ -2182,8 +2182,10 @@ static int mv643xx_eth_poll(struct napi_struct *napi, int budget)
                        continue;
                }
 
-               queue_mask = mp->work_tx | mp->work_tx_end |
-                               mp->work_rx | mp->work_rx_refill;
+               queue_mask = mp->work_tx | mp->work_tx_end | mp->work_rx;
+               if (likely(!mp->oom))
+                       queue_mask |= mp->work_rx_refill;
+
                if (!queue_mask) {
                        if (mv643xx_eth_collect_events(mp))
                                continue;
@@ -2204,7 +2206,7 @@ static int mv643xx_eth_poll(struct napi_struct *napi, int budget)
                        txq_maybe_wake(mp->txq + queue);
                } else if (mp->work_rx & queue_mask) {
                        work_done += rxq_process(mp->rxq + queue, work_tbd);
-               } else if (mp->work_rx_refill & queue_mask) {
+               } else if (!mp->oom && (mp->work_rx_refill & queue_mask)) {
                        work_done += rxq_refill(mp->rxq + queue, work_tbd);
                } else {
                        BUG();
@@ -2212,7 +2214,7 @@ static int mv643xx_eth_poll(struct napi_struct *napi, int budget)
        }
 
        if (work_done < budget) {
-               if (mp->work_rx_oom)
+               if (mp->oom)
                        mod_timer(&mp->rx_oom, jiffies + (HZ / 10));
                napi_complete(napi);
                wrlp(mp, INT_MASK, INT_TX_END | INT_RX | INT_EXT);
@@ -2372,7 +2374,7 @@ static int mv643xx_eth_open(struct net_device *dev)
                rxq_refill(mp->rxq + i, INT_MAX);
        }
 
-       if (mp->work_rx_oom) {
+       if (mp->oom) {
                mp->rx_oom.expires = jiffies + (HZ / 10);
                add_timer(&mp->rx_oom);
        }
index eb66f65..7d83896 100644 (file)
@@ -374,18 +374,17 @@ static int __devinit ne2k_pci_init_one (struct pci_dev *pdev,
        dev->ethtool_ops = &ne2k_pci_ethtool_ops;
        NS8390_init(dev, 0);
 
+       memcpy(dev->dev_addr, SA_prom, 6);
+       memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
+
        i = register_netdev(dev);
        if (i)
                goto err_out_free_netdev;
 
-       for(i = 0; i < 6; i++)
-               dev->dev_addr[i] = SA_prom[i];
        printk("%s: %s found at %#lx, IRQ %d, %pM.\n",
               dev->name, pci_clone_list[chip_idx].name, ioaddr, dev->irq,
               dev->dev_addr);
 
-       memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
-
        return 0;
 
 err_out_free_netdev:
index eceadf7..bf4af52 100644 (file)
@@ -664,7 +664,7 @@ static int netconsole_netdev_event(struct notifier_block *this,
        struct netconsole_target *nt;
        struct net_device *dev = ptr;
 
-       if (!(event == NETDEV_CHANGENAME))
+       if (!(event == NETDEV_CHANGENAME || event == NETDEV_UNREGISTER))
                goto done;
 
        spin_lock_irqsave(&target_list_lock, flags);
@@ -675,6 +675,15 @@ static int netconsole_netdev_event(struct notifier_block *this,
                        case NETDEV_CHANGENAME:
                                strlcpy(nt->np.dev_name, dev->name, IFNAMSIZ);
                                break;
+                       case NETDEV_UNREGISTER:
+                               if (!nt->enabled)
+                                       break;
+                               netpoll_cleanup(&nt->np);
+                               nt->enabled = 0;
+                               printk(KERN_INFO "netconsole: network logging stopped"
+                                       ", interface %s unregistered\n",
+                                       dev->name);
+                               break;
                        }
                }
                netconsole_target_put(nt);
index 8ee2103..dfc6cf7 100644 (file)
@@ -180,6 +180,20 @@ config USB_NET_CDCETHER
          IEEE 802 "local assignment" bit is set in the address, a "usbX"
          name is used instead.
 
+config USB_NET_CDC_EEM
+       tristate "CDC EEM support"
+       depends on USB_USBNET && EXPERIMENTAL
+       help
+         This option supports devices conforming to the Communication Device
+         Class (CDC) Ethernet Emulation Model, a specification that's easy to
+         implement in device firmware.  The CDC EEM specifications are available
+         from <http://www.usb.org/>.
+
+         This driver creates an interface named "ethX", where X depends on
+         what other networking devices you have in use.  However, if the
+         IEEE 802 "local assignment" bit is set in the address, a "usbX"
+         name is used instead.
+
 config USB_NET_DM9601
        tristate "Davicom DM9601 based USB 1.1 10/100 ethernet devices"
        depends on USB_USBNET
index 88a87ee..c8aef62 100644 (file)
@@ -9,6 +9,7 @@ obj-$(CONFIG_USB_RTL8150)       += rtl8150.o
 obj-$(CONFIG_USB_HSO)          += hso.o
 obj-$(CONFIG_USB_NET_AX8817X)  += asix.o
 obj-$(CONFIG_USB_NET_CDCETHER) += cdc_ether.o
+obj-$(CONFIG_USB_NET_CDC_EEM)  += cdc_eem.o
 obj-$(CONFIG_USB_NET_DM9601)   += dm9601.o
 obj-$(CONFIG_USB_NET_SMSC95XX) += smsc95xx.o
 obj-$(CONFIG_USB_NET_GL620A)   += gl620a.o
diff --git a/drivers/net/usb/cdc_eem.c b/drivers/net/usb/cdc_eem.c
new file mode 100644 (file)
index 0000000..80e0177
--- /dev/null
@@ -0,0 +1,381 @@
+/*
+ * USB CDC EEM network interface driver
+ * Copyright (C) 2009 Oberthur Technologies
+ * by Omar Laazimani, Olivier Condemine
+ *
+ * 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; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/ctype.h>
+#include <linux/ethtool.h>
+#include <linux/workqueue.h>
+#include <linux/mii.h>
+#include <linux/usb.h>
+#include <linux/crc32.h>
+#include <linux/usb/cdc.h>
+#include <linux/usb/usbnet.h>
+
+
+/*
+ * This driver is an implementation of the CDC "Ethernet Emulation
+ * Model" (EEM) specification, which encapsulates Ethernet frames
+ * for transport over USB using a simpler USB device model than the
+ * previous CDC "Ethernet Control Model" (ECM, or "CDC Ethernet").
+ *
+ * For details, see www.usb.org/developers/devclass_docs/CDC_EEM10.pdf
+ *
+ * This version has been tested with GIGAntIC WuaoW SIM Smart Card on 2.6.24,
+ * 2.6.27 and 2.6.30rc2 kernel.
+ * It has also been validated on Openmoko Om 2008.12 (based on 2.6.24 kernel).
+ * build on 23-April-2009
+ */
+
+#define EEM_HEAD       2               /* 2 byte header */
+
+/*-------------------------------------------------------------------------*/
+
+static void eem_linkcmd_complete(struct urb *urb)
+{
+       dev_kfree_skb(urb->context);
+       usb_free_urb(urb);
+}
+
+static void eem_linkcmd(struct usbnet *dev, struct sk_buff *skb)
+{
+       struct urb              *urb;
+       int                     status;
+
+       urb = usb_alloc_urb(0, GFP_ATOMIC);
+       if (!urb)
+               goto fail;
+
+       usb_fill_bulk_urb(urb, dev->udev, dev->out,
+                       skb->data, skb->len, eem_linkcmd_complete, skb);
+
+       status = usb_submit_urb(urb, GFP_ATOMIC);
+       if (status) {
+               usb_free_urb(urb);
+fail:
+               dev_kfree_skb(skb);
+               devwarn(dev, "link cmd failure\n");
+               return;
+       }
+}
+
+static int eem_bind(struct usbnet *dev, struct usb_interface *intf)
+{
+       int status = 0;
+
+       status = usbnet_get_endpoints(dev, intf);
+       if (status < 0) {
+               usb_set_intfdata(intf, NULL);
+               usb_driver_release_interface(driver_of(intf), intf);
+               return status;
+       }
+
+       /* no jumbogram (16K) support for now */
+
+       dev->net->hard_header_len += EEM_HEAD + ETH_FCS_LEN;
+
+       return 0;
+}
+
+/*
+ * EEM permits packing multiple Ethernet frames into USB transfers
+ * (a "bundle"), but for TX we don't try to do that.
+ */
+static struct sk_buff *eem_tx_fixup(struct usbnet *dev, struct sk_buff *skb,
+                                      gfp_t flags)
+{
+       struct sk_buff  *skb2 = NULL;
+       u16             len = skb->len;
+       u32             crc = 0;
+       int             padlen = 0;
+
+       /* When ((len + EEM_HEAD + ETH_FCS_LEN) % dev->maxpacket) is
+        * zero, stick two bytes of zero length EEM packet on the end.
+        * Else the framework would add invalid single byte padding,
+        * since it can't know whether ZLPs will be handled right by
+        * all the relevant hardware and software.
+        */
+       if (!((len + EEM_HEAD + ETH_FCS_LEN) % dev->maxpacket))
+               padlen += 2;
+
+       if (!skb_cloned(skb)) {
+               int     headroom = skb_headroom(skb);
+               int     tailroom = skb_tailroom(skb);
+
+               if ((tailroom >= ETH_FCS_LEN + padlen)
+                               && (headroom >= EEM_HEAD))
+                       goto done;
+
+               if ((headroom + tailroom)
+                               > (EEM_HEAD + ETH_FCS_LEN + padlen)) {
+                       skb->data = memmove(skb->head +
+                                       EEM_HEAD,
+                                       skb->data,
+                                       skb->len);
+                       skb_set_tail_pointer(skb, len);
+                       goto done;
+               }
+       }
+
+       skb2 = skb_copy_expand(skb, EEM_HEAD, ETH_FCS_LEN + padlen, flags);
+       if (!skb2)
+               return NULL;
+
+       dev_kfree_skb_any(skb);
+       skb = skb2;
+
+done:
+       /* we don't use the "no Ethernet CRC" option */
+       crc = crc32_le(~0, skb->data, skb->len);
+       crc = ~crc;
+
+       put_unaligned_le32(crc, skb_put(skb, 4));
+
+       /* EEM packet header format:
+        * b0..13:      length of ethernet frame
+        * b14:         bmCRC (1 == valid Ethernet CRC)
+        * b15:         bmType (0 == data)
+        */
+       len = skb->len;
+       put_unaligned_le16(BIT(14) | len, skb_push(skb, 2));
+
+       /* Bundle a zero length EEM packet if needed */
+       if (padlen)
+               put_unaligned_le16(0, skb_put(skb, 2));
+
+       return skb;
+}
+
+static int eem_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
+{
+       /*
+        * Our task here is to strip off framing, leaving skb with one
+        * data frame for the usbnet framework code to process.  But we
+        * may have received multiple EEM payloads, or command payloads.
+        * So we must process _everything_ as if it's a header, except
+        * maybe the last data payload
+        *
+        * REVISIT the framework needs updating so that when we consume
+        * all payloads (the last or only message was a command, or a
+        * zero length EEM packet) that is not accounted as an rx_error.
+        */
+       do {
+               struct sk_buff  *skb2 = NULL;
+               u16             header;
+               u16             len = 0;
+
+               /* incomplete EEM header? */
+               if (skb->len < EEM_HEAD)
+                       return 0;
+
+               /*
+                * EEM packet header format:
+                * b0..14:      EEM type dependant (Data or Command)
+                * b15:         bmType
+                */
+               header = get_unaligned_le16(skb->data);
+               skb_pull(skb, EEM_HEAD);
+
+               /*
+                * The bmType bit helps to denote when EEM
+                * packet is data or command :
+                *      bmType = 0      : EEM data payload
+                *      bmType = 1      : EEM (link) command
+                */
+               if (header & BIT(15)) {
+                       u16     bmEEMCmd;
+
+                       /*
+                        * EEM (link) command packet:
+                        * b0..10:      bmEEMCmdParam
+                        * b11..13:     bmEEMCmd
+                        * b14:         bmReserved (must be 0)
+                        * b15:         1 (EEM command)
+                        */
+                       if (header & BIT(14)) {
+                               devdbg(dev, "reserved command %04x\n", header);
+                               continue;
+                       }
+
+                       bmEEMCmd = (header >> 11) & 0x7;
+                       switch (bmEEMCmd) {
+
+                       /* Responding to echo requests is mandatory. */
+                       case 0:         /* Echo command */
+                               len = header & 0x7FF;
+
+                               /* bogus command? */
+                               if (skb->len < len)
+                                       return 0;
+
+                               skb2 = skb_clone(skb, GFP_ATOMIC);
+                               if (unlikely(!skb2))
+                                       goto next;
+                               skb_trim(skb2, len);
+                               put_unaligned_le16(BIT(15) | (1 << 11) | len,
+                                               skb_push(skb2, 2));
+                               eem_linkcmd(dev, skb2);
+                               break;
+
+                       /*
+                        * Host may choose to ignore hints.
+                        *  - suspend: peripheral ready to suspend
+                        *  - response: suggest N millisec polling
+                        *  - response complete: suggest N sec polling
+                        */
+                       case 2:         /* Suspend hint */
+                       case 3:         /* Response hint */
+                       case 4:         /* Response complete hint */
+                               continue;
+
+                       /*
+                        * Hosts should never receive host-to-peripheral
+                        * or reserved command codes; or responses to an
+                        * echo command we didn't send.
+                        */
+                       case 1:         /* Echo response */
+                       case 5:         /* Tickle */
+                       default:        /* reserved */
+                               devwarn(dev, "unexpected link command %d\n",
+                                               bmEEMCmd);
+                               continue;
+                       }
+
+               } else {
+                       u32     crc, crc2;
+                       int     is_last;
+
+                       /* zero length EEM packet? */
+                       if (header == 0)
+                               continue;
+
+                       /*
+                        * EEM data packet header :
+                        * b0..13:      length of ethernet frame
+                        * b14:         bmCRC
+                        * b15:         0 (EEM data)
+                        */
+                       len = header & 0x3FFF;
+
+                       /* bogus EEM payload? */
+                       if (skb->len < len)
+                               return 0;
+
+                       /* bogus ethernet frame? */
+                       if (len < (ETH_HLEN + ETH_FCS_LEN))
+                               goto next;
+
+                       /*
+                        * Treat the last payload differently: framework
+                        * code expects our "fixup" to have stripped off
+                        * headers, so "skb" is a data packet (or error).
+                        * Else if it's not the last payload, keep "skb"
+                        * for further processing.
+                        */
+                       is_last = (len == skb->len);
+                       if (is_last)
+                               skb2 = skb;
+                       else {
+                               skb2 = skb_clone(skb, GFP_ATOMIC);
+                               if (unlikely(!skb2))
+                                       return 0;
+                       }
+
+                       crc = get_unaligned_le32(skb2->data
+                                       + len - ETH_FCS_LEN);
+                       skb_trim(skb2, len - ETH_FCS_LEN);
+
+                       /*
+                        * The bmCRC helps to denote when the CRC field in
+                        * the Ethernet frame contains a calculated CRC:
+                        *      bmCRC = 1       : CRC is calculated
+                        *      bmCRC = 0       : CRC = 0xDEADBEEF
+                        */
+                       if (header & BIT(14))
+                               crc2 = ~crc32_le(~0, skb2->data, len);
+                       else
+                               crc2 = 0xdeadbeef;
+
+                       if (is_last)
+                               return crc == crc2;
+
+                       if (unlikely(crc != crc2)) {
+                               dev->stats.rx_errors++;
+                               dev_kfree_skb_any(skb2);
+                       } else
+                               usbnet_skb_return(dev, skb2);
+               }
+
+next:
+               skb_pull(skb, len);
+       } while (skb->len);
+
+       return 1;
+}
+
+static const struct driver_info eem_info = {
+       .description =  "CDC EEM Device",
+       .flags =        FLAG_ETHER,
+       .bind =         eem_bind,
+       .rx_fixup =     eem_rx_fixup,
+       .tx_fixup =     eem_tx_fixup,
+};
+
+/*-------------------------------------------------------------------------*/
+
+static const struct usb_device_id products[] = {
+{
+       USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_EEM,
+                       USB_CDC_PROTO_EEM),
+       .driver_info = (unsigned long) &eem_info,
+},
+{
+       /* EMPTY == end of list */
+},
+};
+MODULE_DEVICE_TABLE(usb, products);
+
+static struct usb_driver eem_driver = {
+       .name =         "cdc_eem",
+       .id_table =     products,
+       .probe =        usbnet_probe,
+       .disconnect =   usbnet_disconnect,
+       .suspend =      usbnet_suspend,
+       .resume =       usbnet_resume,
+};
+
+
+static int __init eem_init(void)
+{
+       return usb_register(&eem_driver);
+}
+module_init(eem_init);
+
+static void __exit eem_exit(void)
+{
+       usb_deregister(&eem_driver);
+}
+module_exit(eem_exit);
+
+MODULE_AUTHOR("Omar Laazimani <omar.oberthur@gmail.com>");
+MODULE_DESCRIPTION("USB CDC EEM");
+MODULE_LICENSE("GPL");
index dc16653..5a72833 100644 (file)
@@ -941,6 +941,16 @@ static int smsc95xx_reset(struct usbnet *dev)
        if (netif_msg_ifup(dev))
                devdbg(dev, "ID_REV = 0x%08x", read_buf);
 
+       /* Configure GPIO pins as LED outputs */
+       write_buf = LED_GPIO_CFG_SPD_LED | LED_GPIO_CFG_LNK_LED |
+               LED_GPIO_CFG_FDX_LED;
+       ret = smsc95xx_write_reg(dev, LED_GPIO_CFG, write_buf);
+       if (ret < 0) {
+               devwarn(dev, "Failed to write LED_GPIO_CFG register, ret=%d",
+                       ret);
+               return ret;
+       }
+
        /* Init Tx */
        write_buf = 0;
        ret = smsc95xx_write_reg(dev, FLOW, write_buf);
@@ -1231,6 +1241,11 @@ static const struct usb_device_id products[] = {
                USB_DEVICE(0x0424, 0x9500),
                .driver_info = (unsigned long) &smsc95xx_info,
        },
+       {
+               /* SMSC9512/9514 USB Hub & Ethernet Device */
+               USB_DEVICE(0x0424, 0xec00),
+               .driver_info = (unsigned long) &smsc95xx_info,
+       },
        { },            /* END */
 };
 MODULE_DEVICE_TABLE(usb, products);
index 66b5c84..86bc449 100644 (file)
@@ -99,6 +99,9 @@
 #define PM_CTL_WUPS_MULTI_             (0x00000003)
 
 #define LED_GPIO_CFG                   (0x24)
+#define LED_GPIO_CFG_SPD_LED           (0x01000000)
+#define LED_GPIO_CFG_LNK_LED           (0x00100000)
+#define LED_GPIO_CFG_FDX_LED           (0x00010000)
 
 #define GPIO_CFG                       (0x28)
 
index 9c82a39..4d1d479 100644 (file)
@@ -616,10 +616,11 @@ static int virtnet_open(struct net_device *dev)
 static bool virtnet_send_command(struct virtnet_info *vi, u8 class, u8 cmd,
                                 struct scatterlist *data, int out, int in)
 {
-       struct scatterlist sg[VIRTNET_SEND_COMMAND_SG_MAX + 2];
+       struct scatterlist *s, sg[VIRTNET_SEND_COMMAND_SG_MAX + 2];
        struct virtio_net_ctrl_hdr ctrl;
        virtio_net_ctrl_ack status = ~0;
        unsigned int tmp;
+       int i;
 
        if (!virtio_has_feature(vi->vdev, VIRTIO_NET_F_CTRL_VQ)) {
                BUG();  /* Caller should know better */
@@ -637,7 +638,8 @@ static bool virtnet_send_command(struct virtnet_info *vi, u8 class, u8 cmd,
        sg_init_table(sg, out + in);
 
        sg_set_buf(&sg[0], &ctrl, sizeof(ctrl));
-       memcpy(&sg[1], data, sizeof(struct scatterlist) * (out + in - 2));
+       for_each_sg(data, s, out + in - 2, i)
+               sg_set_buf(&sg[i + 1], sg_virt(s), s->length);
        sg_set_buf(&sg[out + in - 1], &status, sizeof(status));
 
        if (vi->cvq->vq_ops->add_buf(vi->cvq, sg, out, in, vi) != 0)
@@ -692,7 +694,7 @@ static void virtnet_set_rx_mode(struct net_device *dev)
        promisc = ((dev->flags & IFF_PROMISC) != 0);
        allmulti = ((dev->flags & IFF_ALLMULTI) != 0);
 
-       sg_set_buf(sg, &promisc, sizeof(promisc));
+       sg_init_one(sg, &promisc, sizeof(promisc));
 
        if (!virtnet_send_command(vi, VIRTIO_NET_CTRL_RX,
                                  VIRTIO_NET_CTRL_RX_PROMISC,
@@ -700,7 +702,7 @@ static void virtnet_set_rx_mode(struct net_device *dev)
                dev_warn(&dev->dev, "Failed to %sable promisc mode.\n",
                         promisc ? "en" : "dis");
 
-       sg_set_buf(sg, &allmulti, sizeof(allmulti));
+       sg_init_one(sg, &allmulti, sizeof(allmulti));
 
        if (!virtnet_send_command(vi, VIRTIO_NET_CTRL_RX,
                                  VIRTIO_NET_CTRL_RX_ALLMULTI,
@@ -716,6 +718,8 @@ static void virtnet_set_rx_mode(struct net_device *dev)
                return;
        }
 
+       sg_init_table(sg, 2);
+
        /* Store the unicast list and count in the front of the buffer */
        mac_data->entries = dev->uc_count;
        addr = dev->uc_list;
@@ -744,24 +748,24 @@ static void virtnet_set_rx_mode(struct net_device *dev)
        kfree(buf);
 }
 
-static void virnet_vlan_rx_add_vid(struct net_device *dev, u16 vid)
+static void virtnet_vlan_rx_add_vid(struct net_device *dev, u16 vid)
 {
        struct virtnet_info *vi = netdev_priv(dev);
        struct scatterlist sg;
 
-       sg_set_buf(&sg, &vid, sizeof(vid));
+       sg_init_one(&sg, &vid, sizeof(vid));
 
        if (!virtnet_send_command(vi, VIRTIO_NET_CTRL_VLAN,
                                  VIRTIO_NET_CTRL_VLAN_ADD, &sg, 1, 0))
                dev_warn(&dev->dev, "Failed to add VLAN ID %d.\n", vid);
 }
 
-static void virnet_vlan_rx_kill_vid(struct net_device *dev, u16 vid)
+static void virtnet_vlan_rx_kill_vid(struct net_device *dev, u16 vid)
 {
        struct virtnet_info *vi = netdev_priv(dev);
        struct scatterlist sg;
 
-       sg_set_buf(&sg, &vid, sizeof(vid));
+       sg_init_one(&sg, &vid, sizeof(vid));
 
        if (!virtnet_send_command(vi, VIRTIO_NET_CTRL_VLAN,
                                  VIRTIO_NET_CTRL_VLAN_DEL, &sg, 1, 0))
@@ -794,8 +798,8 @@ static const struct net_device_ops virtnet_netdev = {
        .ndo_set_mac_address = virtnet_set_mac_address,
        .ndo_set_rx_mode     = virtnet_set_rx_mode,
        .ndo_change_mtu      = virtnet_change_mtu,
-       .ndo_vlan_rx_add_vid = virnet_vlan_rx_add_vid,
-       .ndo_vlan_rx_kill_vid = virnet_vlan_rx_kill_vid,
+       .ndo_vlan_rx_add_vid = virtnet_vlan_rx_add_vid,
+       .ndo_vlan_rx_kill_vid = virtnet_vlan_rx_kill_vid,
 #ifdef CONFIG_NET_POLL_CONTROLLER
        .ndo_poll_controller = virtnet_netpoll,
 #endif
index 9770bb3..4904a07 100644 (file)
@@ -424,7 +424,7 @@ ath5k_debug_dump_bands(struct ath5k_softc *sc)
 
        for (b = 0; b < IEEE80211_NUM_BANDS; b++) {
                struct ieee80211_supported_band *band = &sc->sbands[b];
-               char bname[5];
+               char bname[6];
                switch (band->band) {
                case IEEE80211_BAND_2GHZ:
                        strcpy(bname, "2 GHz");
index 23644cf..e7c65c4 100644 (file)
@@ -925,11 +925,11 @@ void iwl_bg_scan_completed(struct work_struct *work)
 
        IWL_DEBUG_SCAN(priv, "SCAN complete scan\n");
 
+       ieee80211_scan_completed(priv->hw, false);
+
        if (test_bit(STATUS_EXIT_PENDING, &priv->status))
                return;
 
-       ieee80211_scan_completed(priv->hw, false);
-
        /* Since setting the TXPOWER may have been deferred while
         * performing the scan, fire one off */
        mutex_lock(&priv->mutex);
index 617c423..70a00c8 100644 (file)
@@ -1694,7 +1694,6 @@ void iwl3945_rx_queue_reset(struct iwl_priv *priv, struct iwl_rx_queue *rxq)
        rxq->free_count = 0;
        spin_unlock_irqrestore(&rxq->lock, flags);
 }
-EXPORT_SYMBOL(iwl3945_rx_queue_reset);
 
 /*
  * this should be called while priv->lock is locked
index db91db7..bebf735 100644 (file)
@@ -2558,6 +2558,11 @@ static int rndis_wext_bind(struct usbnet *usbdev, struct usb_interface *intf)
        mutex_init(&priv->command_lock);
        spin_lock_init(&priv->stats_lock);
 
+       /* because rndis_command() sleeps we need to use workqueue */
+       priv->workqueue = create_singlethread_workqueue("rndis_wlan");
+       INIT_WORK(&priv->work, rndis_wext_worker);
+       INIT_DELAYED_WORK(&priv->stats_work, rndis_update_wireless_stats);
+
        /* try bind rndis_host */
        retval = generic_rndis_bind(usbdev, intf, FLAG_RNDIS_PHYM_WIRELESS);
        if (retval < 0)
@@ -2603,16 +2608,17 @@ static int rndis_wext_bind(struct usbnet *usbdev, struct usb_interface *intf)
        disassociate(usbdev, 1);
        netif_carrier_off(usbdev->net);
 
-       /* because rndis_command() sleeps we need to use workqueue */
-       priv->workqueue = create_singlethread_workqueue("rndis_wlan");
-       INIT_DELAYED_WORK(&priv->stats_work, rndis_update_wireless_stats);
        queue_delayed_work(priv->workqueue, &priv->stats_work,
                round_jiffies_relative(STATS_UPDATE_JIFFIES));
-       INIT_WORK(&priv->work, rndis_wext_worker);
 
        return 0;
 
 fail:
+       cancel_delayed_work_sync(&priv->stats_work);
+       cancel_work_sync(&priv->work);
+       flush_workqueue(priv->workqueue);
+       destroy_workqueue(priv->workqueue);
+
        kfree(priv);
        return retval;
 }
index 5a97bcf..ec7e27d 100644 (file)
@@ -517,10 +517,10 @@ static int nfs_vm_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
 
        ret = nfs_updatepage(filp, page, 0, pagelen);
 out_unlock:
+       if (!ret)
+               return VM_FAULT_LOCKED;
        unlock_page(page);
-       if (ret)
-               ret = VM_FAULT_SIGBUS;
-       return ret;
+       return VM_FAULT_SIGBUS;
 }
 
 static struct vm_operations_struct nfs_file_vm_ops = {
index 7e4877d..725a650 100644 (file)
@@ -80,6 +80,7 @@
 #include <linux/delayacct.h>
 #include <linux/seq_file.h>
 #include <linux/pid_namespace.h>
+#include <linux/ptrace.h>
 #include <linux/tracehook.h>
 
 #include <asm/pgtable.h>
@@ -352,6 +353,7 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns,
        char state;
        pid_t ppid = 0, pgid = -1, sid = -1;
        int num_threads = 0;
+       int permitted;
        struct mm_struct *mm;
        unsigned long long start_time;
        unsigned long cmin_flt = 0, cmaj_flt = 0;
@@ -364,11 +366,14 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns,
 
        state = *get_task_state(task);
        vsize = eip = esp = 0;
+       permitted = ptrace_may_access(task, PTRACE_MODE_READ);
        mm = get_task_mm(task);
        if (mm) {
                vsize = task_vsize(mm);
-               eip = KSTK_EIP(task);
-               esp = KSTK_ESP(task);
+               if (permitted) {
+                       eip = KSTK_EIP(task);
+                       esp = KSTK_ESP(task);
+               }
        }
 
        get_task_comm(tcomm, task);
@@ -424,7 +429,7 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns,
                unlock_task_sighand(task, &flags);
        }
 
-       if (!whole || num_threads < 2)
+       if (permitted && (!whole || num_threads < 2))
                wchan = get_wchan(task);
        if (!whole) {
                min_flt = task->min_flt;
@@ -476,7 +481,7 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns,
                rsslim,
                mm ? mm->start_code : 0,
                mm ? mm->end_code : 0,
-               mm ? mm->start_stack : 0,
+               (permitted && mm) ? mm->start_stack : 0,
                esp,
                eip,
                /* The signal information here is obsolete.
index aa763ab..fb45615 100644 (file)
@@ -322,7 +322,10 @@ static int proc_pid_wchan(struct task_struct *task, char *buffer)
        wchan = get_wchan(task);
 
        if (lookup_symbol_name(wchan, symname) < 0)
-               return sprintf(buffer, "%lu", wchan);
+               if (!ptrace_may_access(task, PTRACE_MODE_READ))
+                       return 0;
+               else
+                       return sprintf(buffer, "%lu", wchan);
        else
                return sprintf(buffer, "%s", symname);
 }
index 1b2e435..c9efe03 100644 (file)
@@ -472,7 +472,7 @@ static inline void xt_info_rdlock_bh(void)
 
        local_bh_disable();
        lock = &__get_cpu_var(xt_info_locks);
-       if (!lock->readers++)
+       if (likely(!lock->readers++))
                spin_lock(&lock->lock);
 }
 
@@ -480,7 +480,7 @@ static inline void xt_info_rdunlock_bh(void)
 {
        struct xt_info_lock *lock = &__get_cpu_var(xt_info_locks);
 
-       if (!--lock->readers)
+       if (likely(!--lock->readers))
                spin_unlock(&lock->lock);
        local_bh_enable();
 }
index 3c86ed2..c24124a 100644 (file)
@@ -17,6 +17,7 @@
 #define USB_CDC_SUBCLASS_DMM                   0x09
 #define USB_CDC_SUBCLASS_MDLM                  0x0a
 #define USB_CDC_SUBCLASS_OBEX                  0x0b
+#define USB_CDC_SUBCLASS_EEM                   0x0c
 
 #define USB_CDC_PROTO_NONE                     0
 
@@ -28,6 +29,8 @@
 #define USB_CDC_ACM_PROTO_AT_CDMA              6
 #define USB_CDC_ACM_PROTO_VENDOR               0xff
 
+#define USB_CDC_PROTO_EEM                      7
+
 /*-------------------------------------------------------------------------*/
 
 /*
index 242348b..cec79ad 100644 (file)
@@ -4,6 +4,7 @@
  * compatible drivers/servers. */
 #include <linux/types.h>
 #include <linux/virtio_config.h>
+#include <linux/if_ether.h>
 
 /* The ID for virtio_net */
 #define VIRTIO_ID_NET  1
index 4012e07..e268122 100644 (file)
@@ -98,7 +98,6 @@ enum p9_req_status_t {
 struct p9_req_t {
        int status;
        int t_err;
-       u16 flush_tag;
        wait_queue_head_t *wq;
        struct p9_fcall *tc;
        struct p9_fcall *rc;
index be5bd71..73aead2 100644 (file)
@@ -457,6 +457,7 @@ int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count);
 
 int hci_register_sysfs(struct hci_dev *hdev);
 void hci_unregister_sysfs(struct hci_dev *hdev);
+void hci_conn_init_sysfs(struct hci_conn *conn);
 void hci_conn_add_sysfs(struct hci_conn *conn);
 void hci_conn_del_sysfs(struct hci_conn *conn);
 
index 1b94b9b..646dbe3 100644 (file)
@@ -41,6 +41,7 @@
 #include <net/ip.h>
 #include <net/tcp_states.h>
 #include <net/inet_ecn.h>
+#include <net/dst.h>
 
 #include <linux/seq_file.h>
 
@@ -530,6 +531,17 @@ static inline void tcp_fast_path_check(struct sock *sk)
                tcp_fast_path_on(tp);
 }
 
+/* Compute the actual rto_min value */
+static inline u32 tcp_rto_min(struct sock *sk)
+{
+       struct dst_entry *dst = __sk_dst_get(sk);
+       u32 rto_min = TCP_RTO_MIN;
+
+       if (dst && dst_metric_locked(dst, RTAX_RTO_MIN))
+               rto_min = dst_metric_rtt(dst, RTAX_RTO_MIN);
+       return rto_min;
+}
+
 /* Compute the actual receive window we are currently advertising.
  * Rcv_nxt can be after the window if our peer push more data
  * than the offered window.
@@ -895,7 +907,7 @@ static inline int tcp_prequeue(struct sock *sk, struct sk_buff *skb)
                        wake_up_interruptible(sk->sk_sleep);
                        if (!inet_csk_ack_scheduled(sk))
                                inet_csk_reset_xmit_timer(sk, ICSK_TIME_DACK,
-                                                         (3 * TCP_RTO_MIN) / 4,
+                                                         (3 * tcp_rto_min(sk)) / 4,
                                                          TCP_RTO_MAX);
                }
                return 1;
index 1eb580c..dd43a82 100644 (file)
@@ -203,7 +203,6 @@ static struct p9_req_t *p9_tag_alloc(struct p9_client *c, u16 tag)
        p9pdu_reset(req->tc);
        p9pdu_reset(req->rc);
 
-       req->flush_tag = 0;
        req->tc->tag = tag-1;
        req->status = REQ_STATUS_ALLOC;
 
@@ -324,35 +323,9 @@ static void p9_free_req(struct p9_client *c, struct p9_req_t *r)
  */
 void p9_client_cb(struct p9_client *c, struct p9_req_t *req)
 {
-       struct p9_req_t *other_req;
-       unsigned long flags;
-
        P9_DPRINTK(P9_DEBUG_MUX, " tag %d\n", req->tc->tag);
-
-       if (req->status == REQ_STATUS_ERROR)
-               wake_up(req->wq);
-
-       if (req->flush_tag) {                   /* flush receive path */
-               P9_DPRINTK(P9_DEBUG_9P, "<<< RFLUSH %d\n", req->tc->tag);
-               spin_lock_irqsave(&c->lock, flags);
-               other_req = p9_tag_lookup(c, req->flush_tag);
-               if (other_req->status != REQ_STATUS_FLSH) /* stale flush */
-                       spin_unlock_irqrestore(&c->lock, flags);
-               else {
-                       other_req->status = REQ_STATUS_FLSHD;
-                       spin_unlock_irqrestore(&c->lock, flags);
-                       wake_up(other_req->wq);
-               }
-               p9_free_req(c, req);
-       } else {                                /* normal receive path */
-               P9_DPRINTK(P9_DEBUG_MUX, "normal: tag %d\n", req->tc->tag);
-               spin_lock_irqsave(&c->lock, flags);
-               if (req->status != REQ_STATUS_FLSHD)
-                       req->status = REQ_STATUS_RCVD;
-               spin_unlock_irqrestore(&c->lock, flags);
-               wake_up(req->wq);
-               P9_DPRINTK(P9_DEBUG_MUX, "wakeup: %d\n", req->tc->tag);
-       }
+       wake_up(req->wq);
+       P9_DPRINTK(P9_DEBUG_MUX, "wakeup: %d\n", req->tc->tag);
 }
 EXPORT_SYMBOL(p9_client_cb);
 
@@ -486,9 +459,15 @@ static int p9_client_flush(struct p9_client *c, struct p9_req_t *oldreq)
        if (IS_ERR(req))
                return PTR_ERR(req);
 
-       req->flush_tag = oldtag;
 
-       /* we don't free anything here because RPC isn't complete */
+       /* if we haven't received a response for oldreq,
+          remove it from the list. */
+       spin_lock(&c->lock);
+       if (oldreq->status == REQ_STATUS_FLSH)
+               list_del(&oldreq->req_list);
+       spin_unlock(&c->lock);
+
+       p9_free_req(c, req);
        return 0;
 }
 
@@ -509,7 +488,6 @@ p9_client_rpc(struct p9_client *c, int8_t type, const char *fmt, ...)
        struct p9_req_t *req;
        unsigned long flags;
        int sigpending;
-       int flushed = 0;
 
        P9_DPRINTK(P9_DEBUG_MUX, "client %p op %d\n", c, type);
 
@@ -546,42 +524,28 @@ p9_client_rpc(struct p9_client *c, int8_t type, const char *fmt, ...)
                goto reterr;
        }
 
-       /* if it was a flush we just transmitted, return our tag */
-       if (type == P9_TFLUSH)
-               return req;
-again:
        P9_DPRINTK(P9_DEBUG_MUX, "wait %p tag: %d\n", req->wq, tag);
        err = wait_event_interruptible(*req->wq,
                                                req->status >= REQ_STATUS_RCVD);
-       P9_DPRINTK(P9_DEBUG_MUX, "wait %p tag: %d returned %d (flushed=%d)\n",
-                                               req->wq, tag, err, flushed);
+       P9_DPRINTK(P9_DEBUG_MUX, "wait %p tag: %d returned %d\n",
+                                               req->wq, tag, err);
 
        if (req->status == REQ_STATUS_ERROR) {
                P9_DPRINTK(P9_DEBUG_ERROR, "req_status error %d\n", req->t_err);
                err = req->t_err;
-       } else if (err == -ERESTARTSYS && flushed) {
-               P9_DPRINTK(P9_DEBUG_MUX, "flushed - going again\n");
-               goto again;
-       } else if (req->status == REQ_STATUS_FLSHD) {
-               P9_DPRINTK(P9_DEBUG_MUX, "flushed - erestartsys\n");
-               err = -ERESTARTSYS;
        }
 
-       if ((err == -ERESTARTSYS) && (c->status == Connected) && (!flushed)) {
+       if ((err == -ERESTARTSYS) && (c->status == Connected)) {
                P9_DPRINTK(P9_DEBUG_MUX, "flushing\n");
-               spin_lock_irqsave(&c->lock, flags);
-               if (req->status == REQ_STATUS_SENT)
-                       req->status = REQ_STATUS_FLSH;
-               spin_unlock_irqrestore(&c->lock, flags);
                sigpending = 1;
-               flushed = 1;
                clear_thread_flag(TIF_SIGPENDING);
 
-               if (c->trans_mod->cancel(c, req)) {
-                       err = p9_client_flush(c, req);
-                       if (err == 0)
-                               goto again;
-               }
+               if (c->trans_mod->cancel(c, req))
+                       p9_client_flush(c, req);
+
+               /* if we received the response anyway, don't signal error */
+               if (req->status == REQ_STATUS_RCVD)
+                       err = 0;
        }
 
        if (sigpending) {
@@ -1244,19 +1208,53 @@ struct p9_wstat *p9_client_stat(struct p9_fid *fid)
                ret->name, ret->uid, ret->gid, ret->muid, ret->extension,
                ret->n_uid, ret->n_gid, ret->n_muid);
 
+       p9_free_req(clnt, req);
+       return ret;
+
 free_and_error:
        p9_free_req(clnt, req);
 error:
-       return ret;
+       kfree(ret);
+       return ERR_PTR(err);
 }
 EXPORT_SYMBOL(p9_client_stat);
 
+static int p9_client_statsize(struct p9_wstat *wst, int optional)
+{
+       int ret;
+
+       /* size[2] type[2] dev[4] qid[13] */
+       /* mode[4] atime[4] mtime[4] length[8]*/
+       /* name[s] uid[s] gid[s] muid[s] */
+       ret = 2+2+4+13+4+4+4+8+2+2+2+2;
+
+       if (wst->name)
+               ret += strlen(wst->name);
+       if (wst->uid)
+               ret += strlen(wst->uid);
+       if (wst->gid)
+               ret += strlen(wst->gid);
+       if (wst->muid)
+               ret += strlen(wst->muid);
+
+       if (optional) {
+               ret += 2+4+4+4; /* extension[s] n_uid[4] n_gid[4] n_muid[4] */
+               if (wst->extension)
+                       ret += strlen(wst->extension);
+       }
+
+       return ret;
+}
+
 int p9_client_wstat(struct p9_fid *fid, struct p9_wstat *wst)
 {
        int err;
        struct p9_req_t *req;
        struct p9_client *clnt;
 
+       err = 0;
+       clnt = fid->clnt;
+       wst->size = p9_client_statsize(wst, clnt->dotu);
        P9_DPRINTK(P9_DEBUG_9P, ">>> TWSTAT fid %d\n", fid->fid);
        P9_DPRINTK(P9_DEBUG_9P,
                "     sz=%x type=%x dev=%x qid=%x.%llx.%x\n"
@@ -1268,10 +1266,8 @@ int p9_client_wstat(struct p9_fid *fid, struct p9_wstat *wst)
                wst->atime, wst->mtime, (unsigned long long)wst->length,
                wst->name, wst->uid, wst->gid, wst->muid, wst->extension,
                wst->n_uid, wst->n_gid, wst->n_muid);
-       err = 0;
-       clnt = fid->clnt;
 
-       req = p9_client_rpc(clnt, P9_TWSTAT, "dwS", fid->fid, 0, wst);
+       req = p9_client_rpc(clnt, P9_TWSTAT, "dwS", fid->fid, wst->size, wst);
        if (IS_ERR(req)) {
                err = PTR_ERR(req);
                goto error;
index c613ed0..a2a1814 100644 (file)
@@ -213,8 +213,8 @@ static void p9_conn_cancel(struct p9_conn *m, int err)
        spin_unlock_irqrestore(&m->client->lock, flags);
 
        list_for_each_entry_safe(req, rtmp, &cancel_list, req_list) {
-               list_del(&req->req_list);
                P9_DPRINTK(P9_DEBUG_ERROR, "call back req %p\n", req);
+               list_del(&req->req_list);
                p9_client_cb(m->client, req);
        }
 }
@@ -336,7 +336,8 @@ static void p9_read_work(struct work_struct *work)
                        "mux %p pkt: size: %d bytes tag: %d\n", m, n, tag);
 
                m->req = p9_tag_lookup(m->client, tag);
-               if (!m->req) {
+               if (!m->req || (m->req->status != REQ_STATUS_SENT &&
+                                       m->req->status != REQ_STATUS_FLSH)) {
                        P9_DPRINTK(P9_DEBUG_ERROR, "Unexpected packet tag %d\n",
                                                                 tag);
                        err = -EIO;
@@ -361,10 +362,11 @@ static void p9_read_work(struct work_struct *work)
        if ((m->req) && (m->rpos == m->rsize)) { /* packet is read in */
                P9_DPRINTK(P9_DEBUG_TRANS, "got new packet\n");
                spin_lock(&m->client->lock);
+               if (m->req->status != REQ_STATUS_ERROR)
+                       m->req->status = REQ_STATUS_RCVD;
                list_del(&m->req->req_list);
                spin_unlock(&m->client->lock);
                p9_client_cb(m->client, m->req);
-
                m->rbuf = NULL;
                m->rpos = 0;
                m->rsize = 0;
@@ -454,6 +456,7 @@ static void p9_write_work(struct work_struct *work)
                req = list_entry(m->unsent_req_list.next, struct p9_req_t,
                               req_list);
                req->status = REQ_STATUS_SENT;
+               P9_DPRINTK(P9_DEBUG_TRANS, "move req %p\n", req);
                list_move_tail(&req->req_list, &m->req_list);
 
                m->wbuf = req->tc->sdata;
@@ -683,12 +686,13 @@ static int p9_fd_cancel(struct p9_client *client, struct p9_req_t *req)
        P9_DPRINTK(P9_DEBUG_TRANS, "client %p req %p\n", client, req);
 
        spin_lock(&client->lock);
-       list_del(&req->req_list);
 
        if (req->status == REQ_STATUS_UNSENT) {
+               list_del(&req->req_list);
                req->status = REQ_STATUS_FLSHD;
                ret = 0;
-       }
+       } else if (req->status == REQ_STATUS_SENT)
+               req->status = REQ_STATUS_FLSH;
 
        spin_unlock(&client->lock);
 
index 7fa0eb2..ac49900 100644 (file)
@@ -295,6 +295,7 @@ handle_recv(struct p9_client *client, struct p9_trans_rdma *rdma,
                goto err_out;
 
        req->rc = c->rc;
+       req->status = REQ_STATUS_RCVD;
        p9_client_cb(client, req);
 
        return;
index 2d7781e..bb8579a 100644 (file)
@@ -134,6 +134,7 @@ static void req_done(struct virtqueue *vq)
                P9_DPRINTK(P9_DEBUG_TRANS, ": rc %p\n", rc);
                P9_DPRINTK(P9_DEBUG_TRANS, ": lookup tag %d\n", rc->tag);
                req = p9_tag_lookup(chan->client, rc->tag);
+               req->status = REQ_STATUS_RCVD;
                p9_client_cb(chan->client, req);
        }
 }
index 334fcd4..3100a89 100644 (file)
@@ -549,6 +549,7 @@ static void br2684_setup(struct net_device *netdev)
        struct br2684_dev *brdev = BRPRIV(netdev);
 
        ether_setup(netdev);
+       brdev->net_dev = netdev;
 
        netdev->netdev_ops = &br2684_netdev_ops;
 
index 375f4b4..61309b2 100644 (file)
@@ -248,6 +248,8 @@ struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst)
        if (hdev->notify)
                hdev->notify(hdev, HCI_NOTIFY_CONN_ADD);
 
+       hci_conn_init_sysfs(conn);
+
        tasklet_enable(&hdev->tx_task);
 
        return conn;
index b7c5108..582d887 100644 (file)
@@ -9,7 +9,7 @@
 struct class *bt_class = NULL;
 EXPORT_SYMBOL_GPL(bt_class);
 
-static struct workqueue_struct *bluetooth;
+static struct workqueue_struct *bt_workq;
 
 static inline char *link_typetostr(int type)
 {
@@ -89,8 +89,8 @@ static void add_conn(struct work_struct *work)
 {
        struct hci_conn *conn = container_of(work, struct hci_conn, work_add);
 
-       /* ensure previous add/del is complete */
-       flush_workqueue(bluetooth);
+       /* ensure previous del is complete */
+       flush_work(&conn->work_del);
 
        if (device_add(&conn->dev) < 0) {
                BT_ERR("Failed to register connection device");
@@ -98,27 +98,6 @@ static void add_conn(struct work_struct *work)
        }
 }
 
-void hci_conn_add_sysfs(struct hci_conn *conn)
-{
-       struct hci_dev *hdev = conn->hdev;
-
-       BT_DBG("conn %p", conn);
-
-       conn->dev.type = &bt_link;
-       conn->dev.class = bt_class;
-       conn->dev.parent = &hdev->dev;
-
-       dev_set_name(&conn->dev, "%s:%d", hdev->name, conn->handle);
-
-       dev_set_drvdata(&conn->dev, conn);
-
-       device_initialize(&conn->dev);
-
-       INIT_WORK(&conn->work_add, add_conn);
-
-       queue_work(bluetooth, &conn->work_add);
-}
-
 /*
  * The rfcomm tty device will possibly retain even when conn
  * is down, and sysfs doesn't support move zombie device,
@@ -134,8 +113,11 @@ static void del_conn(struct work_struct *work)
        struct hci_conn *conn = container_of(work, struct hci_conn, work_del);
        struct hci_dev *hdev = conn->hdev;
 
-       /* ensure previous add/del is complete */
-       flush_workqueue(bluetooth);
+       /* ensure previous add is complete */
+       flush_work(&conn->work_add);
+
+       if (!device_is_registered(&conn->dev))
+               return;
 
        while (1) {
                struct device *dev;
@@ -152,16 +134,40 @@ static void del_conn(struct work_struct *work)
        hci_dev_put(hdev);
 }
 
-void hci_conn_del_sysfs(struct hci_conn *conn)
+void hci_conn_init_sysfs(struct hci_conn *conn)
 {
+       struct hci_dev *hdev = conn->hdev;
+
        BT_DBG("conn %p", conn);
 
-       if (!device_is_registered(&conn->dev))
-               return;
+       conn->dev.type = &bt_link;
+       conn->dev.class = bt_class;
+       conn->dev.parent = &hdev->dev;
+
+       dev_set_drvdata(&conn->dev, conn);
 
+       device_initialize(&conn->dev);
+
+       INIT_WORK(&conn->work_add, add_conn);
        INIT_WORK(&conn->work_del, del_conn);
+}
+
+void hci_conn_add_sysfs(struct hci_conn *conn)
+{
+       struct hci_dev *hdev = conn->hdev;
+
+       BT_DBG("conn %p", conn);
+
+       dev_set_name(&conn->dev, "%s:%d", hdev->name, conn->handle);
+
+       queue_work(bt_workq, &conn->work_add);
+}
+
+void hci_conn_del_sysfs(struct hci_conn *conn)
+{
+       BT_DBG("conn %p", conn);
 
-       queue_work(bluetooth, &conn->work_del);
+       queue_work(bt_workq, &conn->work_del);
 }
 
 static inline char *host_typetostr(int type)
@@ -438,13 +444,13 @@ void hci_unregister_sysfs(struct hci_dev *hdev)
 
 int __init bt_sysfs_init(void)
 {
-       bluetooth = create_singlethread_workqueue("bluetooth");
-       if (!bluetooth)
+       bt_workq = create_singlethread_workqueue("bluetooth");
+       if (!bt_workq)
                return -ENOMEM;
 
        bt_class = class_create(THIS_MODULE, "bluetooth");
        if (IS_ERR(bt_class)) {
-               destroy_workqueue(bluetooth);
+               destroy_workqueue(bt_workq);
                return PTR_ERR(bt_class);
        }
 
@@ -453,7 +459,7 @@ int __init bt_sysfs_init(void)
 
 void bt_sysfs_cleanup(void)
 {
-       destroy_workqueue(bluetooth);
+       destroy_workqueue(bt_workq);
 
        class_destroy(bt_class);
 }
index 308a7d0..e2e9e4a 100644 (file)
@@ -1735,11 +1735,12 @@ u16 skb_tx_hash(const struct net_device *dev, const struct sk_buff *skb)
 {
        u32 hash;
 
-       if (skb_rx_queue_recorded(skb)) {
-               hash = skb_get_rx_queue(skb);
-       } else if (skb->sk && skb->sk->sk_hash) {
+       if (skb_rx_queue_recorded(skb))
+               return skb_get_rx_queue(skb) % dev->real_num_tx_queues;
+
+       if (skb->sk && skb->sk->sk_hash)
                hash = skb->sk->sk_hash;
-       else
+       else
                hash = skb->protocol;
 
        hash = jhash_1word(hash, skb_tx_hashrnd);
index ce6356c..f091a5a 100644 (file)
@@ -1365,9 +1365,8 @@ static void sock_spd_release(struct splice_pipe_desc *spd, unsigned int i)
 
 static inline struct page *linear_to_page(struct page *page, unsigned int *len,
                                          unsigned int *offset,
-                                         struct sk_buff *skb)
+                                         struct sk_buff *skb, struct sock *sk)
 {
-       struct sock *sk = skb->sk;
        struct page *p = sk->sk_sndmsg_page;
        unsigned int off;
 
@@ -1405,13 +1404,14 @@ new_page:
  */
 static inline int spd_fill_page(struct splice_pipe_desc *spd, struct page *page,
                                unsigned int *len, unsigned int offset,
-                               struct sk_buff *skb, int linear)
+                               struct sk_buff *skb, int linear,
+                               struct sock *sk)
 {
        if (unlikely(spd->nr_pages == PIPE_BUFFERS))
                return 1;
 
        if (linear) {
-               page = linear_to_page(page, len, &offset, skb);
+               page = linear_to_page(page, len, &offset, skb, sk);
                if (!page)
                        return 1;
        } else
@@ -1442,7 +1442,8 @@ static inline void __segment_seek(struct page **page, unsigned int *poff,
 static inline int __splice_segment(struct page *page, unsigned int poff,
                                   unsigned int plen, unsigned int *off,
                                   unsigned int *len, struct sk_buff *skb,
-                                  struct splice_pipe_desc *spd, int linear)
+                                  struct splice_pipe_desc *spd, int linear,
+                                  struct sock *sk)
 {
        if (!*len)
                return 1;
@@ -1465,7 +1466,7 @@ static inline int __splice_segment(struct page *page, unsigned int poff,
                /* the linear region may spread across several pages  */
                flen = min_t(unsigned int, flen, PAGE_SIZE - poff);
 
-               if (spd_fill_page(spd, page, &flen, poff, skb, linear))
+               if (spd_fill_page(spd, page, &flen, poff, skb, linear, sk))
                        return 1;
 
                __segment_seek(&page, &poff, &plen, flen);
@@ -1481,8 +1482,8 @@ static inline int __splice_segment(struct page *page, unsigned int poff,
  * pipe is full or if we already spliced the requested length.
  */
 static int __skb_splice_bits(struct sk_buff *skb, unsigned int *offset,
-                     unsigned int *len,
-                     struct splice_pipe_desc *spd)
+                            unsigned int *len, struct splice_pipe_desc *spd,
+                            struct sock *sk)
 {
        int seg;
 
@@ -1492,7 +1493,7 @@ static int __skb_splice_bits(struct sk_buff *skb, unsigned int *offset,
        if (__splice_segment(virt_to_page(skb->data),
                             (unsigned long) skb->data & (PAGE_SIZE - 1),
                             skb_headlen(skb),
-                            offset, len, skb, spd, 1))
+                            offset, len, skb, spd, 1, sk))
                return 1;
 
        /*
@@ -1502,7 +1503,7 @@ static int __skb_splice_bits(struct sk_buff *skb, unsigned int *offset,
                const skb_frag_t *f = &skb_shinfo(skb)->frags[seg];
 
                if (__splice_segment(f->page, f->page_offset, f->size,
-                                    offset, len, skb, spd, 0))
+                                    offset, len, skb, spd, 0, sk))
                        return 1;
        }
 
@@ -1528,12 +1529,13 @@ int skb_splice_bits(struct sk_buff *skb, unsigned int offset,
                .ops = &sock_pipe_buf_ops,
                .spd_release = sock_spd_release,
        };
+       struct sock *sk = skb->sk;
 
        /*
         * __skb_splice_bits() only fails if the output has no room left,
         * so no point in going over the frag_list for the error case.
         */
-       if (__skb_splice_bits(skb, &offset, &tlen, &spd))
+       if (__skb_splice_bits(skb, &offset, &tlen, &spd, sk))
                goto done;
        else if (!tlen)
                goto done;
@@ -1545,14 +1547,13 @@ int skb_splice_bits(struct sk_buff *skb, unsigned int offset,
                struct sk_buff *list = skb_shinfo(skb)->frag_list;
 
                for (; list && tlen; list = list->next) {
-                       if (__skb_splice_bits(list, &offset, &tlen, &spd))
+                       if (__skb_splice_bits(list, &offset, &tlen, &spd, sk))
                                break;
                }
        }
 
 done:
        if (spd.nr_pages) {
-               struct sock *sk = skb->sk;
                int ret;
 
                /*
index c96a6bb..eec3e6f 100644 (file)
@@ -597,16 +597,6 @@ static void tcp_event_data_recv(struct sock *sk, struct sk_buff *skb)
                tcp_grow_window(sk, skb);
 }
 
-static u32 tcp_rto_min(struct sock *sk)
-{
-       struct dst_entry *dst = __sk_dst_get(sk);
-       u32 rto_min = TCP_RTO_MIN;
-
-       if (dst && dst_metric_locked(dst, RTAX_RTO_MIN))
-               rto_min = dst_metric_rtt(dst, RTAX_RTO_MIN);
-       return rto_min;
-}
-
 /* Called to compute a smoothed rtt estimate. The data fed to this
  * routine either comes from timestamps, or from segments that were
  * known _not_ to have been retransmitted [see Karn/Partridge
index fbcbed6..1413419 100644 (file)
@@ -757,6 +757,7 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len,
        local->hw.conf.long_frame_max_tx_count = 4;
        local->hw.conf.short_frame_max_tx_count = 7;
        local->hw.conf.radio_enabled = true;
+       local->user_power_level = -1;
 
        INIT_LIST_HEAD(&local->interfaces);
        mutex_init(&local->iflist_mtx);
@@ -909,6 +910,13 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
        if (result < 0)
                goto fail_sta_info;
 
+       result = ieee80211_wep_init(local);
+       if (result < 0) {
+               printk(KERN_DEBUG "%s: Failed to initialize wep: %d\n",
+                      wiphy_name(local->hw.wiphy), result);
+               goto fail_wep;
+       }
+
        rtnl_lock();
        result = dev_alloc_name(local->mdev, local->mdev->name);
        if (result < 0)
@@ -930,14 +938,6 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
                goto fail_rate;
        }
 
-       result = ieee80211_wep_init(local);
-
-       if (result < 0) {
-               printk(KERN_DEBUG "%s: Failed to initialize wep: %d\n",
-                      wiphy_name(local->hw.wiphy), result);
-               goto fail_wep;
-       }
-
        /* add one default STA interface if supported */
        if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_STATION)) {
                result = ieee80211_if_add(local, "wlan%d", NULL,
@@ -967,13 +967,13 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
 
        return 0;
 
-fail_wep:
-       rate_control_deinitialize(local);
 fail_rate:
        unregister_netdevice(local->mdev);
        local->mdev = NULL;
 fail_dev:
        rtnl_unlock();
+       ieee80211_wep_free(local);
+fail_wep:
        sta_info_stop(local);
 fail_sta_info:
        debugfs_hw_del(local);
index 881203c..cb3ad74 100644 (file)
@@ -837,6 +837,7 @@ config NETFILTER_XT_MATCH_SOCKET
        depends on NETFILTER_TPROXY
        depends on NETFILTER_XTABLES
        depends on NETFILTER_ADVANCED
+       depends on !NF_CONNTRACK || NF_CONNTRACK
        select NF_DEFRAG_IPV4
        help
          This option adds a `socket' match, which can be used to match
index 173fcc4..0759f32 100644 (file)
@@ -254,7 +254,7 @@ replay:
                }
                tp->ops = tp_ops;
                tp->protocol = protocol;
-               tp->prio = nprio ? : tcf_auto_prio(*back);
+               tp->prio = nprio ? : TC_H_MAJ(tcf_auto_prio(*back));
                tp->q = q;
                tp->classify = tp_ops->classify;
                tp->classid = parent;
index ba808ef..2fcad7c 100644 (file)
@@ -3153,7 +3153,7 @@ static int selinux_file_send_sigiotask(struct task_struct *tsk,
                                       struct fown_struct *fown, int signum)
 {
        struct file *file;
-       u32 sid = current_sid();
+       u32 sid = task_sid(tsk);
        u32 perm;
        struct file_security_struct *fsec;
 
index 63d088f..a2a792c 100644 (file)
@@ -249,6 +249,12 @@ static int snd_pcm_update_hw_ptr_interrupt(struct snd_pcm_substream *substream)
                        new_hw_ptr = hw_base + pos;
                }
        }
+       /* Skip the jiffies check for hardwares with BATCH flag.
+        * Such hardware usually just increases the position at each IRQ,
+        * thus it can't give any strange position.
+        */
+       if (runtime->hw.info & SNDRV_PCM_INFO_BATCH)
+               goto no_jiffies_check;
        hdelta = new_hw_ptr - old_hw_ptr;
        jdelta = jiffies - runtime->hw_ptr_jiffies;
        if (((hdelta * HZ) / runtime->rate) > jdelta + HZ/100) {
@@ -272,6 +278,7 @@ static int snd_pcm_update_hw_ptr_interrupt(struct snd_pcm_substream *substream)
                hw_base -= hw_base % runtime->buffer_size;
                delta = 0;
        }
+ no_jiffies_check:
        if (delta > runtime->period_size + runtime->period_size / 2) {
                hw_ptr_error(substream,
                             "Lost interrupts? "
index 9064544..3a1526a 100644 (file)
@@ -438,7 +438,8 @@ static void snd_msnd_capture_reset_queue(struct snd_msnd *chip,
 static struct snd_pcm_hardware snd_msnd_playback = {
        .info =                 SNDRV_PCM_INFO_MMAP |
                                SNDRV_PCM_INFO_INTERLEAVED |
-                               SNDRV_PCM_INFO_MMAP_VALID,
+                               SNDRV_PCM_INFO_MMAP_VALID |
+                               SNDRV_PCM_INFO_BATCH,
        .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
        .rates =                SNDRV_PCM_RATE_8000_48000,
        .rate_min =             8000,
@@ -456,7 +457,8 @@ static struct snd_pcm_hardware snd_msnd_playback = {
 static struct snd_pcm_hardware snd_msnd_capture = {
        .info =                 SNDRV_PCM_INFO_MMAP |
                                SNDRV_PCM_INFO_INTERLEAVED |
-                               SNDRV_PCM_INFO_MMAP_VALID,
+                               SNDRV_PCM_INFO_MMAP_VALID |
+                               SNDRV_PCM_INFO_BATCH,
        .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
        .rates =                SNDRV_PCM_RATE_8000_48000,
        .rate_min =             8000,
index a299340..ce3f2e9 100644 (file)
@@ -349,7 +349,8 @@ static struct snd_pcm_hardware snd_bt87x_digital_hw = {
        .info = SNDRV_PCM_INFO_MMAP |
                SNDRV_PCM_INFO_INTERLEAVED |
                SNDRV_PCM_INFO_BLOCK_TRANSFER |
-               SNDRV_PCM_INFO_MMAP_VALID,
+               SNDRV_PCM_INFO_MMAP_VALID |
+               SNDRV_PCM_INFO_BATCH,
        .formats = SNDRV_PCM_FMTBIT_S16_LE,
        .rates = 0, /* set at runtime */
        .channels_min = 2,
@@ -365,7 +366,8 @@ static struct snd_pcm_hardware snd_bt87x_analog_hw = {
        .info = SNDRV_PCM_INFO_MMAP |
                SNDRV_PCM_INFO_INTERLEAVED |
                SNDRV_PCM_INFO_BLOCK_TRANSFER |
-               SNDRV_PCM_INFO_MMAP_VALID,
+               SNDRV_PCM_INFO_MMAP_VALID |
+               SNDRV_PCM_INFO_BATCH,
        .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8,
        .rates = SNDRV_PCM_RATE_KNOT,
        .rate_min = ANALOG_CLOCK / CLOCK_DIV_MAX,
index 3482ef6..2e44316 100644 (file)
@@ -88,6 +88,7 @@ static struct snd_pcm_hardware pcm_hardware_skel = {
        .rates =        SNDRV_PCM_RATE_32000 |
                        SNDRV_PCM_RATE_44100 |
                        SNDRV_PCM_RATE_48000 |
+                       SNDRV_PCM_RATE_64000 |
                        SNDRV_PCM_RATE_88200 |
                        SNDRV_PCM_RATE_96000,
        .rate_min = 32000,
index aebee27..eb3819f 100644 (file)
@@ -89,6 +89,7 @@ static struct snd_pcm_hardware pcm_hardware_skel = {
        .rates =        SNDRV_PCM_RATE_32000 |
                        SNDRV_PCM_RATE_44100 |
                        SNDRV_PCM_RATE_48000 |
+                       SNDRV_PCM_RATE_64000 |
                        SNDRV_PCM_RATE_88200 |
                        SNDRV_PCM_RATE_96000,
        .rate_min = 32000,
index 8b79969..7cc38a1 100644 (file)
@@ -1238,7 +1238,8 @@ static struct snd_pcm_hardware snd_korg1212_playback_info =
 {
        .info =              (SNDRV_PCM_INFO_MMAP |
                               SNDRV_PCM_INFO_MMAP_VALID |
-                              SNDRV_PCM_INFO_INTERLEAVED),
+                             SNDRV_PCM_INFO_INTERLEAVED |
+                             SNDRV_PCM_INFO_BATCH),
        .formats =            SNDRV_PCM_FMTBIT_S16_LE,
         .rates =              (SNDRV_PCM_RATE_44100 |
                               SNDRV_PCM_RATE_48000),
@@ -1258,7 +1259,8 @@ static struct snd_pcm_hardware snd_korg1212_capture_info =
 {
         .info =              (SNDRV_PCM_INFO_MMAP |
                               SNDRV_PCM_INFO_MMAP_VALID |
-                              SNDRV_PCM_INFO_INTERLEAVED),
+                             SNDRV_PCM_INFO_INTERLEAVED |
+                             SNDRV_PCM_INFO_BATCH),
         .formats =           SNDRV_PCM_FMTBIT_S16_LE,
         .rates =             (SNDRV_PCM_RATE_44100 |
                               SNDRV_PCM_RATE_48000),
index 01066c9..d057e64 100644 (file)
@@ -240,7 +240,8 @@ static int pdacf_pcm_prepare(struct snd_pcm_substream *subs)
 static struct snd_pcm_hardware pdacf_pcm_capture_hw = {
        .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
                                 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME |
-                                SNDRV_PCM_INFO_MMAP_VALID),
+                                SNDRV_PCM_INFO_MMAP_VALID |
+                                SNDRV_PCM_INFO_BATCH),
        .formats =              SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE |
                                SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S24_3BE |
                                SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S32_BE,
index 30490a2..594c6c5 100644 (file)
@@ -82,7 +82,7 @@ static struct au1xpsc_audio_dmadata *au1xpsc_audio_pcmdma[2];
 /* PCM hardware DMA capabilities - platform specific */
 static const struct snd_pcm_hardware au1xpsc_pcm_hardware = {
        .info             = SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID |
-                           SNDRV_PCM_INFO_INTERLEAVED,
+                           SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BATCH,
        .formats          = AU1XPSC_PCM_FMTS,
        .period_bytes_min = AU1XPSC_PERIOD_MIN_BYTES,
        .period_bytes_max = 4096 * 1024 - 1,
index 921b205..df7c8c2 100644 (file)
@@ -836,6 +836,12 @@ static DECLARE_TLV_DB_SCALE(analog_tlv, -2400, 200, 0);
 static DECLARE_TLV_DB_SCALE(output_tvl, -1200, 600, 1);
 
 /*
+ * Gain control for earpiece amplifier
+ * 0 dB to 12 dB in 6 dB steps (mute instead of -6)
+ */
+static DECLARE_TLV_DB_SCALE(output_ear_tvl, -600, 600, 1);
+
+/*
  * Capture gain after the ADCs
  * from 0 dB to 31 dB in 1 dB steps
  */
@@ -900,7 +906,7 @@ static const struct snd_kcontrol_new twl4030_snd_controls[] = {
                4, 3, 0, output_tvl),
 
        SOC_SINGLE_TLV_TWL4030("Earpiece Playback Volume",
-               TWL4030_REG_EAR_CTL, 4, 3, 0, output_tvl),
+               TWL4030_REG_EAR_CTL, 4, 3, 0, output_ear_tvl),
 
        /* Common capture gain controls */
        SOC_DOUBLE_R_TLV("TX1 Digital Capture Volume",
index 3b1d099..0275321 100644 (file)
@@ -968,7 +968,7 @@ static int wm8350_pcm_trigger(struct snd_pcm_substream *substream,
         * required for LRC in master mode. The DACs or ADCs need a
         * valid audio path i.e. pin -> ADC or DAC -> pin before
         * the LRC will be enabled in master mode. */
-       if (!master && cmd != SNDRV_PCM_TRIGGER_START)
+       if (!master || cmd != SNDRV_PCM_TRIGGER_START)
                return 0;
 
        if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
index 3aa729d..1111c71 100644 (file)
@@ -504,7 +504,8 @@ static struct snd_soc_dai psc_i2s_dai_template = {
 
 static const struct snd_pcm_hardware psc_i2s_pcm_hardware = {
        .info = SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID |
-               SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER,
+               SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER |
+               SNDRV_PCM_INFO_BATCH,
        .formats = SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_BE |
                   SNDRV_PCM_FMTBIT_S24_BE | SNDRV_PCM_FMTBIT_S32_BE,
        .rate_min = 8000,
index 0dad3a0..baddb12 100644 (file)
@@ -103,7 +103,8 @@ static struct snd_pcm_hardware camelot_pcm_hardware = {
        .info = (SNDRV_PCM_INFO_MMAP |
                SNDRV_PCM_INFO_INTERLEAVED |
                SNDRV_PCM_INFO_BLOCK_TRANSFER |
-               SNDRV_PCM_INFO_MMAP_VALID),
+               SNDRV_PCM_INFO_MMAP_VALID |
+               SNDRV_PCM_INFO_BATCH),
        .formats =      DMABRG_FMTS,
        .rates =        DMABRG_RATES,
        .rate_min =             8000,
index af95ff1..1d2e51b 100644 (file)
@@ -1975,7 +1975,8 @@ static struct snd_pcm_hardware snd_dbri_pcm_hw = {
        .info           = SNDRV_PCM_INFO_MMAP |
                          SNDRV_PCM_INFO_INTERLEAVED |
                          SNDRV_PCM_INFO_BLOCK_TRANSFER |
-                         SNDRV_PCM_INFO_MMAP_VALID,
+                         SNDRV_PCM_INFO_MMAP_VALID |
+                         SNDRV_PCM_INFO_BATCH,
        .formats        = SNDRV_PCM_FMTBIT_MU_LAW |
                          SNDRV_PCM_FMTBIT_A_LAW |
                          SNDRV_PCM_FMTBIT_U8 |
index 9a608fa..dd1ab61 100644 (file)
@@ -870,7 +870,8 @@ static struct snd_pcm_hardware snd_usX2Y_2c =
 {
        .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
                                 SNDRV_PCM_INFO_BLOCK_TRANSFER |
-                                SNDRV_PCM_INFO_MMAP_VALID),
+                                SNDRV_PCM_INFO_MMAP_VALID |
+                                SNDRV_PCM_INFO_BATCH),
        .formats =                 SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_3LE,
        .rates =                   SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000,
        .rate_min =                44100,