Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

Conflicts:
	drivers/net/bnx2x/bnx2x_ethtool.c

30 files changed, 165 insertions, 105 deletions

diff --git a/drivers/net/bna/bfa_ioc.c b/drivers/net/bna/bfa_ioc.c
index c1c9e70eec2f..ba2a4e13cf4f 100644
--- a/drivers/net/bna/bfa_ioc.c
+++ b/drivers/net/bna/bfa_ioc.c
@@ -38,6 +38,8 @@
 #define bfa_ioc_map_port(__ioc) ((__ioc)->ioc_hwif->ioc_map_port(__ioc))
 #define bfa_ioc_notify_fail(__ioc)                      \
                         ((__ioc)->ioc_hwif->ioc_notify_fail(__ioc))
+#define bfa_ioc_sync_start(__ioc)               \
+                        ((__ioc)->ioc_hwif->ioc_sync_start(__ioc))
 #define bfa_ioc_sync_join(__ioc)                        \
                         ((__ioc)->ioc_hwif->ioc_sync_join(__ioc))
 #define bfa_ioc_sync_leave(__ioc)                       \
@@ -602,7 +604,7 @@ bfa_iocpf_sm_fwcheck(struct bfa_iocpf *iocpf, enum iocpf_event event)
         switch (event) {
         case IOCPF_E_SEMLOCKED:
                 if (bfa_ioc_firmware_lock(ioc)) {
-                        if (bfa_ioc_sync_complete(ioc)) {
+                        if (bfa_ioc_sync_start(ioc)) {
                                 iocpf->retry_count = 0;
                                 bfa_ioc_sync_join(ioc);
                                 bfa_fsm_set_state(iocpf, bfa_iocpf_sm_hwinit);
@@ -1313,7 +1315,7 @@ bfa_nw_ioc_fwver_cmp(struct bfa_ioc *ioc, struct bfi_ioc_image_hdr *fwhdr)
  * execution context (driver/bios) must match.
  */
 static bool
-bfa_ioc_fwver_valid(struct bfa_ioc *ioc)
+bfa_ioc_fwver_valid(struct bfa_ioc *ioc, u32 boot_env)
 {
         struct bfi_ioc_image_hdr fwhdr, *drv_fwhdr;
 
@@ -1324,7 +1326,7 @@ bfa_ioc_fwver_valid(struct bfa_ioc *ioc)
         if (fwhdr.signature != drv_fwhdr->signature)
                 return false;
 
-        if (fwhdr.exec != drv_fwhdr->exec)
+        if (swab32(fwhdr.param) != boot_env)
                 return false;
 
         return bfa_nw_ioc_fwver_cmp(ioc, &fwhdr);
@@ -1351,9 +1353,12 @@ bfa_ioc_hwinit(struct bfa_ioc *ioc, bool force)
 {
         enum bfi_ioc_state ioc_fwstate;
         bool fwvalid;
+        u32 boot_env;
 
         ioc_fwstate = readl(ioc->ioc_regs.ioc_fwstate);
 
+        boot_env = BFI_BOOT_LOADER_OS;
+
         if (force)
                 ioc_fwstate = BFI_IOC_UNINIT;
 
@@ -1361,10 +1366,10 @@ bfa_ioc_hwinit(struct bfa_ioc *ioc, bool force)
          * check if firmware is valid
          */
         fwvalid = (ioc_fwstate == BFI_IOC_UNINIT) ?
-                false : bfa_ioc_fwver_valid(ioc);
+                false : bfa_ioc_fwver_valid(ioc, boot_env);
 
         if (!fwvalid) {
-                bfa_ioc_boot(ioc, BFI_BOOT_TYPE_NORMAL, ioc->pcidev.device_id);
+                bfa_ioc_boot(ioc, BFI_BOOT_TYPE_NORMAL, boot_env);
                 return;
         }
 
@@ -1395,7 +1400,7 @@ bfa_ioc_hwinit(struct bfa_ioc *ioc, bool force)
         /**
          * Initialize the h/w for any other states.
          */
-        bfa_ioc_boot(ioc, BFI_BOOT_TYPE_NORMAL, ioc->pcidev.device_id);
+        bfa_ioc_boot(ioc, BFI_BOOT_TYPE_NORMAL, boot_env);
 }
 
 void
@@ -1505,7 +1510,7 @@ bfa_ioc_hb_stop(struct bfa_ioc *ioc)
  */
 static void
 bfa_ioc_download_fw(struct bfa_ioc *ioc, u32 boot_type,
-                    u32 boot_param)
+                    u32 boot_env)
 {
         u32 *fwimg;
         u32 pgnum;
@@ -1556,10 +1561,10 @@ bfa_ioc_download_fw(struct bfa_ioc *ioc, u32 boot_type,
         /*
          * Set boot type and boot param at the end.
         */
-        writel((swab32(swab32(boot_type))), ((ioc->ioc_regs.smem_page_start)
+        writel(boot_type, ((ioc->ioc_regs.smem_page_start)
                         + (BFI_BOOT_TYPE_OFF)));
-        writel((swab32(swab32(boot_param))), ((ioc->ioc_regs.smem_page_start)
-                        + (BFI_BOOT_PARAM_OFF)));
+        writel(boot_env, ((ioc->ioc_regs.smem_page_start)
+                        + (BFI_BOOT_LOADER_OFF)));
 }
 
 static void
@@ -1719,7 +1724,7 @@ bfa_ioc_pll_init(struct bfa_ioc *ioc)
  * as the entry vector.
  */
 static void
-bfa_ioc_boot(struct bfa_ioc *ioc, u32 boot_type, u32 boot_param)
+bfa_ioc_boot(struct bfa_ioc *ioc, u32 boot_type, u32 boot_env)
 {
         void __iomem *rb;
 
@@ -1732,7 +1737,7 @@ bfa_ioc_boot(struct bfa_ioc *ioc, u32 boot_type, u32 boot_param)
          * Initialize IOC state of all functions on a chip reset.
          */
         rb = ioc->pcidev.pci_bar_kva;
-        if (boot_param == BFI_BOOT_TYPE_MEMTEST) {
+        if (boot_type == BFI_BOOT_TYPE_MEMTEST) {
                 writel(BFI_IOC_MEMTEST, (rb + BFA_IOC0_STATE_REG));
                 writel(BFI_IOC_MEMTEST, (rb + BFA_IOC1_STATE_REG));
         } else {
@@ -1741,7 +1746,7 @@ bfa_ioc_boot(struct bfa_ioc *ioc, u32 boot_type, u32 boot_param)
         }
 
         bfa_ioc_msgflush(ioc);
-        bfa_ioc_download_fw(ioc, boot_type, boot_param);
+        bfa_ioc_download_fw(ioc, boot_type, boot_env);
 
         /**
          * Enable interrupts just before starting LPU
diff --git a/drivers/net/bna/bfa_ioc.h b/drivers/net/bna/bfa_ioc.h
index e4974bc24ef6..bd48abee781f 100644
--- a/drivers/net/bna/bfa_ioc.h
+++ b/drivers/net/bna/bfa_ioc.h
@@ -194,6 +194,7 @@ struct bfa_ioc_hwif {
                                         bool msix);
         void            (*ioc_notify_fail)      (struct bfa_ioc *ioc);
         void            (*ioc_ownership_reset)  (struct bfa_ioc *ioc);
+        bool            (*ioc_sync_start)       (struct bfa_ioc *ioc);
         void            (*ioc_sync_join)        (struct bfa_ioc *ioc);
         void            (*ioc_sync_leave)       (struct bfa_ioc *ioc);
         void            (*ioc_sync_ack)         (struct bfa_ioc *ioc);
diff --git a/drivers/net/bna/bfa_ioc_ct.c b/drivers/net/bna/bfa_ioc_ct.c
index 469997c4ffd1..87aecdf22cf9 100644
--- a/drivers/net/bna/bfa_ioc_ct.c
+++ b/drivers/net/bna/bfa_ioc_ct.c
@@ -41,6 +41,7 @@ static void bfa_ioc_ct_map_port(struct bfa_ioc *ioc);
 static void bfa_ioc_ct_isr_mode_set(struct bfa_ioc *ioc, bool msix);
 static void bfa_ioc_ct_notify_fail(struct bfa_ioc *ioc);
 static void bfa_ioc_ct_ownership_reset(struct bfa_ioc *ioc);
+static bool bfa_ioc_ct_sync_start(struct bfa_ioc *ioc);
 static void bfa_ioc_ct_sync_join(struct bfa_ioc *ioc);
 static void bfa_ioc_ct_sync_leave(struct bfa_ioc *ioc);
 static void bfa_ioc_ct_sync_ack(struct bfa_ioc *ioc);
@@ -63,6 +64,7 @@ bfa_nw_ioc_set_ct_hwif(struct bfa_ioc *ioc)
         nw_hwif_ct.ioc_isr_mode_set = bfa_ioc_ct_isr_mode_set;
         nw_hwif_ct.ioc_notify_fail = bfa_ioc_ct_notify_fail;
         nw_hwif_ct.ioc_ownership_reset = bfa_ioc_ct_ownership_reset;
+        nw_hwif_ct.ioc_sync_start = bfa_ioc_ct_sync_start;
         nw_hwif_ct.ioc_sync_join = bfa_ioc_ct_sync_join;
         nw_hwif_ct.ioc_sync_leave = bfa_ioc_ct_sync_leave;
         nw_hwif_ct.ioc_sync_ack = bfa_ioc_ct_sync_ack;
@@ -345,6 +347,32 @@ bfa_ioc_ct_ownership_reset(struct bfa_ioc *ioc)
 /**
  * Synchronized IOC failure processing routines
  */
+static bool
+bfa_ioc_ct_sync_start(struct bfa_ioc *ioc)
+{
+        u32 r32 = readl(ioc->ioc_regs.ioc_fail_sync);
+        u32 sync_reqd = bfa_ioc_ct_get_sync_reqd(r32);
+
+        /*
+         * Driver load time.  If the sync required bit for this PCI fn
+         * is set, it is due to an unclean exit by the driver for this
+         * PCI fn in the previous incarnation. Whoever comes here first
+         * should clean it up, no matter which PCI fn.
+         */
+
+        if (sync_reqd & bfa_ioc_ct_sync_pos(ioc)) {
+                writel(0, ioc->ioc_regs.ioc_fail_sync);
+                writel(1, ioc->ioc_regs.ioc_usage_reg);
+                writel(BFI_IOC_UNINIT, ioc->ioc_regs.ioc_fwstate);
+                writel(BFI_IOC_UNINIT, ioc->ioc_regs.alt_ioc_fwstate);
+                return true;
+        }
+
+        return bfa_ioc_ct_sync_complete(ioc);
+}
+/**
+ * Synchronized IOC failure processing routines
+ */
 static void
 bfa_ioc_ct_sync_join(struct bfa_ioc *ioc)
 {
diff --git a/drivers/net/bna/bfi.h b/drivers/net/bna/bfi.h
index a97396811050..6050379526f7 100644
--- a/drivers/net/bna/bfi.h
+++ b/drivers/net/bna/bfi.h
@@ -184,12 +184,14 @@ enum bfi_mclass {
 #define BFI_IOC_MSGLEN_MAX      32      /* 32 bytes */
 
 #define BFI_BOOT_TYPE_OFF               8
-#define BFI_BOOT_PARAM_OFF              12
+#define BFI_BOOT_LOADER_OFF             12
 
-#define BFI_BOOT_TYPE_NORMAL            0       /* param is device id */
+#define BFI_BOOT_TYPE_NORMAL            0
 #define BFI_BOOT_TYPE_FLASH             1
 #define BFI_BOOT_TYPE_MEMTEST           2
 
+#define BFI_BOOT_LOADER_OS              0
+
 #define BFI_BOOT_MEMTEST_RES_ADDR   0x900
 #define BFI_BOOT_MEMTEST_RES_SIG    0xA0A1A2A3
 
diff --git a/drivers/net/bna/bnad.c b/drivers/net/bna/bnad.c
index b9f253470da2..e588511f47fb 100644
--- a/drivers/net/bna/bnad.c
+++ b/drivers/net/bna/bnad.c
@@ -1837,7 +1837,6 @@ bnad_setup_rx(struct bnad *bnad, uint rx_id)
         /* Initialize the Rx event handlers */
         rx_cbfn.rcb_setup_cbfn = bnad_cb_rcb_setup;
         rx_cbfn.rcb_destroy_cbfn = bnad_cb_rcb_destroy;
-        rx_cbfn.rcb_destroy_cbfn = NULL;
         rx_cbfn.ccb_setup_cbfn = bnad_cb_ccb_setup;
         rx_cbfn.ccb_destroy_cbfn = bnad_cb_ccb_destroy;
         rx_cbfn.rx_cleanup_cbfn = bnad_cb_rx_cleanup;
diff --git a/drivers/net/bnx2x/bnx2x_ethtool.c b/drivers/net/bnx2x/bnx2x_ethtool.c
index e711a2292446..4f42c314986c 100644
--- a/drivers/net/bnx2x/bnx2x_ethtool.c
+++ b/drivers/net/bnx2x/bnx2x_ethtool.c
@@ -2030,20 +2030,19 @@ static int bnx2x_set_phys_id(struct net_device *dev,
 
         case ETHTOOL_ID_ON:
                 bnx2x_set_led(&bp->link_params, &bp->link_vars,
-                              LED_MODE_OPER, SPEED_1000);
+                              LED_MODE_ON, SPEED_1000);
                 break;
 
         case ETHTOOL_ID_OFF:
                 bnx2x_set_led(&bp->link_params, &bp->link_vars,
-                              LED_MODE_OFF, 0);
+                              LED_MODE_FRONT_PANEL_OFF, 0);
 
                 break;
 
         case ETHTOOL_ID_INACTIVE:
-                if (bp->link_vars.link_up)
-                        bnx2x_set_led(&bp->link_params, &bp->link_vars,
-                                      LED_MODE_OPER,
-                                      bp->link_vars.line_speed);
+                bnx2x_set_led(&bp->link_params, &bp->link_vars,
+                              LED_MODE_OPER,
+                              bp->link_vars.line_speed);
         }
 
         return 0;
diff --git a/drivers/net/can/mscan/mpc5xxx_can.c b/drivers/net/can/mscan/mpc5xxx_can.c
index c0a1bc5b1435..bd1d811c204f 100644
--- a/drivers/net/can/mscan/mpc5xxx_can.c
+++ b/drivers/net/can/mscan/mpc5xxx_can.c
@@ -260,7 +260,7 @@ static int __devinit mpc5xxx_can_probe(struct platform_device *ofdev)
 
         if (!ofdev->dev.of_match)
                 return -EINVAL;
-        data = (struct mpc5xxx_can_data *)of_dev->dev.of_match->data;
+        data = (struct mpc5xxx_can_data *)ofdev->dev.of_match->data;
 
         base = of_iomap(np, 0);
         if (!base) {
diff --git a/drivers/net/loopback.c b/drivers/net/loopback.c
index ea0dc451da9c..d70fb76edb77 100644
--- a/drivers/net/loopback.c
+++ b/drivers/net/loopback.c
@@ -173,7 +173,8 @@ static void loopback_setup(struct net_device *dev)
                 | NETIF_F_RXCSUM
                 | NETIF_F_HIGHDMA
                 | NETIF_F_LLTX
-                | NETIF_F_NETNS_LOCAL;
+                | NETIF_F_NETNS_LOCAL
+                | NETIF_F_VLAN_CHALLENGED;
         dev->ethtool_ops        = &loopback_ethtool_ops;
         dev->header_ops         = &eth_header_ops;
         dev->netdev_ops         = &loopback_ops;
diff --git a/drivers/net/natsemi.c b/drivers/net/natsemi.c
index aa2813e06d00..1074231f0a0d 100644
--- a/drivers/net/natsemi.c
+++ b/drivers/net/natsemi.c
@@ -860,6 +860,9 @@ static int __devinit natsemi_probe1 (struct pci_dev *pdev,
                 prev_eedata = eedata;
         }
 
+        /* Store MAC Address in perm_addr */
+        memcpy(dev->perm_addr, dev->dev_addr, ETH_ALEN);
+
         dev->base_addr = (unsigned long __force) ioaddr;
         dev->irq = irq;
 
diff --git a/drivers/net/qlcnic/qlcnic.h b/drivers/net/qlcnic/qlcnic.h
index b6e0fc33585f..e5d30538f373 100644
--- a/drivers/net/qlcnic/qlcnic.h
+++ b/drivers/net/qlcnic/qlcnic.h
@@ -99,6 +99,7 @@
 #define TX_UDPV6_PKT    0x0c
 
 /* Tx defines */
+#define QLCNIC_MAX_FRAGS_PER_TX 14
 #define MAX_TSO_HEADER_DESC     2
 #define MGMT_CMD_DESC_RESV      4
 #define TX_STOP_THRESH          ((MAX_SKB_FRAGS >> 2) + MAX_TSO_HEADER_DESC \
diff --git a/drivers/net/qlcnic/qlcnic_main.c b/drivers/net/qlcnic/qlcnic_main.c
index 7f9edb2f1474..e9e9ba6efc5f 100644
--- a/drivers/net/qlcnic/qlcnic_main.c
+++ b/drivers/net/qlcnic/qlcnic_main.c
@@ -2138,6 +2138,7 @@ qlcnic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
         struct cmd_desc_type0 *hwdesc, *first_desc;
         struct pci_dev *pdev;
         struct ethhdr *phdr;
+        int delta = 0;
         int i, k;
 
         u32 producer;
@@ -2157,6 +2158,19 @@ qlcnic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
         }
 
         frag_count = skb_shinfo(skb)->nr_frags + 1;
+        /* 14 frags supported for normal packet and
+         * 32 frags supported for TSO packet
+         */
+        if (!skb_is_gso(skb) && frag_count > QLCNIC_MAX_FRAGS_PER_TX) {
+
+                for (i = 0; i < (frag_count - QLCNIC_MAX_FRAGS_PER_TX); i++)
+                        delta += skb_shinfo(skb)->frags[i].size;
+
+                if (!__pskb_pull_tail(skb, delta))
+                        goto drop_packet;
+
+                frag_count = 1 + skb_shinfo(skb)->nr_frags;
+        }
 
         if (unlikely(qlcnic_tx_avail(tx_ring) <= TX_STOP_THRESH)) {
                 netif_stop_queue(netdev);
diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index c8871b2db38c..38a55e9e89e4 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -328,7 +328,8 @@ static int efx_poll(struct napi_struct *napi, int budget)
  * processing to finish, then directly poll (and ack ) the eventq.
  * Finally reenable NAPI and interrupts.
  *
- * Since we are touching interrupts the caller should hold the suspend lock
+ * This is for use only during a loopback self-test.  It must not
+ * deliver any packets up the stack as this can result in deadlock.
  */
 void efx_process_channel_now(struct efx_channel *channel)
 {
@@ -336,6 +337,7 @@ void efx_process_channel_now(struct efx_channel *channel)
 
         BUG_ON(channel->channel >= efx->n_channels);
         BUG_ON(!channel->enabled);
+        BUG_ON(!efx->loopback_selftest);
 
         /* Disable interrupts and wait for ISRs to complete */
         efx_nic_disable_interrupts(efx);
@@ -1436,7 +1438,7 @@ static void efx_start_all(struct efx_nic *efx)
          * restart the transmit interface early so the watchdog timer stops */
         efx_start_port(efx);
 
-        if (efx_dev_registered(efx))
+        if (efx_dev_registered(efx) && !efx->port_inhibited)
                 netif_tx_wake_all_queues(efx->net_dev);
 
         efx_for_each_channel(channel, efx)
diff --git a/drivers/net/sfc/io.h b/drivers/net/sfc/io.h
index d9d8c2ef1074..cc978803d484 100644
--- a/drivers/net/sfc/io.h
+++ b/drivers/net/sfc/io.h
@@ -152,6 +152,7 @@ static inline void efx_reado(struct efx_nic *efx, efx_oword_t *value,
 
         spin_lock_irqsave(&efx->biu_lock, flags);
         value->u32[0] = _efx_readd(efx, reg + 0);
+        rmb();
         value->u32[1] = _efx_readd(efx, reg + 4);
         value->u32[2] = _efx_readd(efx, reg + 8);
         value->u32[3] = _efx_readd(efx, reg + 12);
@@ -174,6 +175,7 @@ static inline void efx_sram_readq(struct efx_nic *efx, void __iomem *membase,
         value->u64[0] = (__force __le64)__raw_readq(membase + addr);
 #else
         value->u32[0] = (__force __le32)__raw_readl(membase + addr);
+        rmb();
         value->u32[1] = (__force __le32)__raw_readl(membase + addr + 4);
 #endif
         spin_unlock_irqrestore(&efx->biu_lock, flags);
diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index ab4d05b84eb7..5718260298c4 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -330,7 +330,6 @@ enum efx_rx_alloc_method {
  * @eventq_mask: Event queue pointer mask
  * @eventq_read_ptr: Event queue read pointer
  * @last_eventq_read_ptr: Last event queue read pointer value.
- * @magic_count: Event queue test event count
  * @irq_count: Number of IRQs since last adaptive moderation decision
  * @irq_mod_score: IRQ moderation score
  * @rx_alloc_level: Watermark based heuristic counter for pushing descriptors
@@ -360,7 +359,6 @@ struct efx_channel {
         unsigned int eventq_mask;
         unsigned int eventq_read_ptr;
         unsigned int last_eventq_read_ptr;
-        unsigned int magic_count;
 
         unsigned int irq_count;
         unsigned int irq_mod_score;
diff --git a/drivers/net/sfc/nic.c b/drivers/net/sfc/nic.c
index 2594f39c3ba4..5ac9fa2cd3bc 100644
--- a/drivers/net/sfc/nic.c
+++ b/drivers/net/sfc/nic.c
@@ -84,7 +84,8 @@ static inline void efx_write_buf_tbl(struct efx_nic *efx, efx_qword_t *value,
 static inline efx_qword_t *efx_event(struct efx_channel *channel,
                                      unsigned int index)
 {
-        return ((efx_qword_t *) (channel->eventq.addr)) + index;
+        return ((efx_qword_t *) (channel->eventq.addr)) +
+                (index & channel->eventq_mask);
 }
 
 /* See if an event is present
@@ -673,7 +674,8 @@ void efx_nic_eventq_read_ack(struct efx_channel *channel)
         efx_dword_t reg;
         struct efx_nic *efx = channel->efx;
 
-        EFX_POPULATE_DWORD_1(reg, FRF_AZ_EVQ_RPTR, channel->eventq_read_ptr);
+        EFX_POPULATE_DWORD_1(reg, FRF_AZ_EVQ_RPTR,
+                             channel->eventq_read_ptr & channel->eventq_mask);
         efx_writed_table(efx, &reg, efx->type->evq_rptr_tbl_base,
                          channel->channel);
 }
@@ -906,7 +908,7 @@ efx_handle_generated_event(struct efx_channel *channel, efx_qword_t *event)
 
         code = EFX_QWORD_FIELD(*event, FSF_AZ_DRV_GEN_EV_MAGIC);
         if (code == EFX_CHANNEL_MAGIC_TEST(channel))
-                ++channel->magic_count;
+                ; /* ignore */
         else if (code == EFX_CHANNEL_MAGIC_FILL(channel))
                 /* The queue must be empty, so we won't receive any rx
                  * events, so efx_process_channel() won't refill the
@@ -1013,8 +1015,7 @@ int efx_nic_process_eventq(struct efx_channel *channel, int budget)
                 /* Clear this event by marking it all ones */
                 EFX_SET_QWORD(*p_event);
 
-                /* Increment read pointer */
-                read_ptr = (read_ptr + 1) & channel->eventq_mask;
+                ++read_ptr;
 
                 ev_code = EFX_QWORD_FIELD(event, FSF_AZ_EV_CODE);
 
@@ -1058,6 +1059,13 @@ out:
         return spent;
 }
 
+/* Check whether an event is present in the eventq at the current
+ * read pointer.  Only useful for self-test.
+ */
+bool efx_nic_event_present(struct efx_channel *channel)
+{
+        return efx_event_present(efx_event(channel, channel->eventq_read_ptr));
+}
 
 /* Allocate buffer table entries for event queue */
 int efx_nic_probe_eventq(struct efx_channel *channel)
@@ -1163,7 +1171,7 @@ static void efx_poll_flush_events(struct efx_nic *efx)
         struct efx_tx_queue *tx_queue;
         struct efx_rx_queue *rx_queue;
         unsigned int read_ptr = channel->eventq_read_ptr;
-        unsigned int end_ptr = (read_ptr - 1) & channel->eventq_mask;
+        unsigned int end_ptr = read_ptr + channel->eventq_mask - 1;
 
         do {
                 efx_qword_t *event = efx_event(channel, read_ptr);
@@ -1203,7 +1211,7 @@ static void efx_poll_flush_events(struct efx_nic *efx)
                  * it's ok to throw away every non-flush event */
                 EFX_SET_QWORD(*event);
 
-                read_ptr = (read_ptr + 1) & channel->eventq_mask;
+                ++read_ptr;
         } while (read_ptr != end_ptr);
 
         channel->eventq_read_ptr = read_ptr;
diff --git a/drivers/net/sfc/nic.h b/drivers/net/sfc/nic.h
index f7ec03cc002d..7443f99c977f 100644
--- a/drivers/net/sfc/nic.h
+++ b/drivers/net/sfc/nic.h
@@ -184,6 +184,7 @@ extern void efx_nic_fini_eventq(struct efx_channel *channel);
 extern void efx_nic_remove_eventq(struct efx_channel *channel);
 extern int efx_nic_process_eventq(struct efx_channel *channel, int rx_quota);
 extern void efx_nic_eventq_read_ack(struct efx_channel *channel);
+extern bool efx_nic_event_present(struct efx_channel *channel);
 
 /* MAC/PHY */
 extern void falcon_drain_tx_fifo(struct efx_nic *efx);
diff --git a/drivers/net/sfc/selftest.c b/drivers/net/sfc/selftest.c
index a0f49b348d62..50ad3bcaf68a 100644
--- a/drivers/net/sfc/selftest.c
+++ b/drivers/net/sfc/selftest.c
@@ -131,8 +131,6 @@ static int efx_test_chip(struct efx_nic *efx, struct efx_self_tests *tests)
 static int efx_test_interrupts(struct efx_nic *efx,
                                struct efx_self_tests *tests)
 {
-        struct efx_channel *channel;
-
         netif_dbg(efx, drv, efx->net_dev, "testing interrupts\n");
         tests->interrupt = -1;
 
@@ -140,15 +138,6 @@ static int efx_test_interrupts(struct efx_nic *efx,
         efx->last_irq_cpu = -1;
         smp_wmb();
 
-        /* ACK each interrupting event queue. Receiving an interrupt due to
-         * traffic before a test event is raised is considered a pass */
-        efx_for_each_channel(channel, efx) {
-                if (channel->work_pending)
-                        efx_process_channel_now(channel);
-                if (efx->last_irq_cpu >= 0)
-                        goto success;
-        }
-
         efx_nic_generate_interrupt(efx);
 
         /* Wait for arrival of test interrupt. */
@@ -173,13 +162,13 @@ static int efx_test_eventq_irq(struct efx_channel *channel,
                                struct efx_self_tests *tests)
 {
         struct efx_nic *efx = channel->efx;
-        unsigned int magic_count, count;
+        unsigned int read_ptr, count;
 
         tests->eventq_dma[channel->channel] = -1;
         tests->eventq_int[channel->channel] = -1;
         tests->eventq_poll[channel->channel] = -1;
 
-        magic_count = channel->magic_count;
+        read_ptr = channel->eventq_read_ptr;
         channel->efx->last_irq_cpu = -1;
         smp_wmb();
 
@@ -190,10 +179,7 @@ static int efx_test_eventq_irq(struct efx_channel *channel,
         do {
                 schedule_timeout_uninterruptible(HZ / 100);
 
-                if (channel->work_pending)
-                        efx_process_channel_now(channel);
-
-                if (channel->magic_count != magic_count)
+                if (ACCESS_ONCE(channel->eventq_read_ptr) != read_ptr)
                         goto eventq_ok;
         } while (++count < 2);
 
@@ -211,8 +197,7 @@ static int efx_test_eventq_irq(struct efx_channel *channel,
         }
 
         /* Check to see if event was received even if interrupt wasn't */
-        efx_process_channel_now(channel);
-        if (channel->magic_count != magic_count) {
+        if (efx_nic_event_present(channel)) {
                 netif_err(efx, drv, efx->net_dev,
                           "channel %d event was generated, but "
                           "failed to trigger an interrupt\n", channel->channel);
@@ -770,6 +755,8 @@ int efx_selftest(struct efx_nic *efx, struct efx_self_tests *tests,
         __efx_reconfigure_port(efx);
         mutex_unlock(&efx->mac_lock);
 
+        netif_tx_wake_all_queues(efx->net_dev);
+
         return rc_test;
 }
 
diff --git a/drivers/net/sfc/tx.c b/drivers/net/sfc/tx.c
index 139801908217..d2c85dfdf3bf 100644
--- a/drivers/net/sfc/tx.c
+++ b/drivers/net/sfc/tx.c
@@ -435,7 +435,8 @@ void efx_xmit_done(struct efx_tx_queue *tx_queue, unsigned int index)
          * queue state. */
         smp_mb();
         if (unlikely(netif_tx_queue_stopped(tx_queue->core_txq)) &&
-            likely(efx->port_enabled)) {
+            likely(efx->port_enabled) &&
+            likely(!efx->port_inhibited)) {
                 fill_level = tx_queue->insert_count - tx_queue->read_count;
                 if (fill_level < EFX_TXQ_THRESHOLD(efx)) {
                         EFX_BUG_ON_PARANOID(!efx_dev_registered(efx));
diff --git a/drivers/net/sis900.c b/drivers/net/sis900.c
index cb317cd069ff..484f795a779d 100644
--- a/drivers/net/sis900.c
+++ b/drivers/net/sis900.c
@@ -240,7 +240,8 @@ static const struct ethtool_ops sis900_ethtool_ops;
  *      @net_dev: the net device to get address for
  *
  *      Older SiS900 and friends, use EEPROM to store MAC address.
- *      MAC address is read from read_eeprom() into @net_dev->dev_addr.
+ *      MAC address is read from read_eeprom() into @net_dev->dev_addr and
+ *      @net_dev->perm_addr.
  */
 
 static int __devinit sis900_get_mac_addr(struct pci_dev * pci_dev, struct net_device *net_dev)
@@ -261,6 +262,9 @@ static int __devinit sis900_get_mac_addr(struct pci_dev * pci_dev, struct net_de
         for (i = 0; i < 3; i++)
                 ((u16 *)(net_dev->dev_addr))[i] = read_eeprom(ioaddr, i+EEPROMMACAddr);
 
+        /* Store MAC Address in perm_addr */
+        memcpy(net_dev->perm_addr, net_dev->dev_addr, ETH_ALEN);
+
         return 1;
 }
 
@@ -271,7 +275,8 @@ static int __devinit sis900_get_mac_addr(struct pci_dev * pci_dev, struct net_de
  *
  *      SiS630E model, use APC CMOS RAM to store MAC address.
  *      APC CMOS RAM is accessed through ISA bridge.
- *      MAC address is read into @net_dev->dev_addr.
+ *      MAC address is read into @net_dev->dev_addr and
+ *      @net_dev->perm_addr.
  */
 
 static int __devinit sis630e_get_mac_addr(struct pci_dev * pci_dev,
@@ -296,6 +301,10 @@ static int __devinit sis630e_get_mac_addr(struct pci_dev * pci_dev,
                 outb(0x09 + i, 0x70);
                 ((u8 *)(net_dev->dev_addr))[i] = inb(0x71);
         }
+
+        /* Store MAC Address in perm_addr */
+        memcpy(net_dev->perm_addr, net_dev->dev_addr, ETH_ALEN);
+
         pci_write_config_byte(isa_bridge, 0x48, reg & ~0x40);
         pci_dev_put(isa_bridge);
 
@@ -310,7 +319,7 @@ static int __devinit sis630e_get_mac_addr(struct pci_dev * pci_dev,
  *
  *      SiS635 model, set MAC Reload Bit to load Mac address from APC
  *      to rfdr. rfdr is accessed through rfcr. MAC address is read into
- *      @net_dev->dev_addr.
+ *      @net_dev->dev_addr and @net_dev->perm_addr.
  */
 
 static int __devinit sis635_get_mac_addr(struct pci_dev * pci_dev,
@@ -334,6 +343,9 @@ static int __devinit sis635_get_mac_addr(struct pci_dev * pci_dev,
                 *( ((u16 *)net_dev->dev_addr) + i) = inw(ioaddr + rfdr);
         }
 
+        /* Store MAC Address in perm_addr */
+        memcpy(net_dev->perm_addr, net_dev->dev_addr, ETH_ALEN);
+
         /* enable packet filtering */
         outl(rfcrSave | RFEN, rfcr + ioaddr);
 
@@ -353,7 +365,7 @@ static int __devinit sis635_get_mac_addr(struct pci_dev * pci_dev,
  *      EEDONE signal to refuse EEPROM access by LAN.
  *      The EEPROM map of SiS962 or SiS963 is different to SiS900.
  *      The signature field in SiS962 or SiS963 spec is meaningless.
- *      MAC address is read into @net_dev->dev_addr.
+ *      MAC address is read into @net_dev->dev_addr and @net_dev->perm_addr.
  */
 
 static int __devinit sis96x_get_mac_addr(struct pci_dev * pci_dev,
@@ -372,6 +384,9 @@ static int __devinit sis96x_get_mac_addr(struct pci_dev * pci_dev,
                         for (i = 0; i < 3; i++)
                                 ((u16 *)(net_dev->dev_addr))[i] = read_eeprom(ioaddr, i+EEPROMMACAddr);
 
+                        /* Store MAC Address in perm_addr */
+                        memcpy(net_dev->perm_addr, net_dev->dev_addr, ETH_ALEN);
+
                         outl(EEDONE, ee_addr);
                         return 1;
                 } else {
diff --git a/drivers/net/wireless/ath/ath9k/hif_usb.c b/drivers/net/wireless/ath/ath9k/hif_usb.c
index f1b8af64569c..2d10239ce829 100644
--- a/drivers/net/wireless/ath/ath9k/hif_usb.c
+++ b/drivers/net/wireless/ath/ath9k/hif_usb.c
@@ -1040,7 +1040,7 @@ static int ath9k_hif_usb_probe(struct usb_interface *interface,
         }
 
         ret = ath9k_htc_hw_init(hif_dev->htc_handle,
-                                &hif_dev->udev->dev, hif_dev->device_id,
+                                &interface->dev, hif_dev->device_id,
                                 hif_dev->udev->product, id->driver_info);
         if (ret) {
                 ret = -EINVAL;
@@ -1158,7 +1158,7 @@ fail_resume:
 #endif
 
 static struct usb_driver ath9k_hif_usb_driver = {
-        .name = "ath9k_hif_usb",
+        .name = KBUILD_MODNAME,
         .probe = ath9k_hif_usb_probe,
         .disconnect = ath9k_hif_usb_disconnect,
 #ifdef CONFIG_PM
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 1b5bd13b0a6c..c8a2d0dae796 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1249,15 +1249,6 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
         ah->txchainmask = common->tx_chainmask;
         ah->rxchainmask = common->rx_chainmask;
 
-        if ((common->bus_ops->ath_bus_type != ATH_USB) && !ah->chip_fullsleep) {
-                ath9k_hw_abortpcurecv(ah);
-                if (!ath9k_hw_stopdmarecv(ah)) {
-                        ath_dbg(common, ATH_DBG_XMIT,
-                                "Failed to stop receive dma\n");
-                        bChannelChange = false;
-                }
-        }
-
         if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE))
                 return -EIO;
 
diff --git a/drivers/net/wireless/ath/ath9k/mac.c b/drivers/net/wireless/ath/ath9k/mac.c
index 6f431cbff38a..1968c67e3fab 100644
--- a/drivers/net/wireless/ath/ath9k/mac.c
+++ b/drivers/net/wireless/ath/ath9k/mac.c
@@ -710,27 +710,46 @@ void ath9k_hw_abortpcurecv(struct ath_hw *ah)
 }
 EXPORT_SYMBOL(ath9k_hw_abortpcurecv);
 
-bool ath9k_hw_stopdmarecv(struct ath_hw *ah)
+bool ath9k_hw_stopdmarecv(struct ath_hw *ah, bool *reset)
 {
 #define AH_RX_STOP_DMA_TIMEOUT 10000   /* usec */
         struct ath_common *common = ath9k_hw_common(ah);
+        u32 mac_status, last_mac_status = 0;
         int i;
 
+        /* Enable access to the DMA observation bus */
+        REG_WRITE(ah, AR_MACMISC,
+                  ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) |
+                   (AR_MACMISC_MISC_OBS_BUS_1 <<
+                    AR_MACMISC_MISC_OBS_BUS_MSB_S)));
+
         REG_WRITE(ah, AR_CR, AR_CR_RXD);
 
         /* Wait for rx enable bit to go low */
         for (i = AH_RX_STOP_DMA_TIMEOUT / AH_TIME_QUANTUM; i != 0; i--) {
                 if ((REG_READ(ah, AR_CR) & AR_CR_RXE) == 0)
                         break;
+
+                if (!AR_SREV_9300_20_OR_LATER(ah)) {
+                        mac_status = REG_READ(ah, AR_DMADBG_7) & 0x7f0;
+                        if (mac_status == 0x1c0 && mac_status == last_mac_status) {
+                                *reset = true;
+                                break;
+                        }
+
+                        last_mac_status = mac_status;
+                }
+
                 udelay(AH_TIME_QUANTUM);
         }
 
         if (i == 0) {
                 ath_err(common,
-                        "DMA failed to stop in %d ms AR_CR=0x%08x AR_DIAG_SW=0x%08x\n",
+                        "DMA failed to stop in %d ms AR_CR=0x%08x AR_DIAG_SW=0x%08x DMADBG_7=0x%08x\n",
                         AH_RX_STOP_DMA_TIMEOUT / 1000,
                         REG_READ(ah, AR_CR),
-                        REG_READ(ah, AR_DIAG_SW));
+                        REG_READ(ah, AR_DIAG_SW),
+                        REG_READ(ah, AR_DMADBG_7));
                 return false;
         } else {
                 return true;
diff --git a/drivers/net/wireless/ath/ath9k/mac.h b/drivers/net/wireless/ath/ath9k/mac.h
index b2b2ff852c32..c2a59386fb9c 100644
--- a/drivers/net/wireless/ath/ath9k/mac.h
+++ b/drivers/net/wireless/ath/ath9k/mac.h
@@ -695,7 +695,7 @@ bool ath9k_hw_setrxabort(struct ath_hw *ah, bool set);
 void ath9k_hw_putrxbuf(struct ath_hw *ah, u32 rxdp);
 void ath9k_hw_startpcureceive(struct ath_hw *ah, bool is_scanning);
 void ath9k_hw_abortpcurecv(struct ath_hw *ah);
-bool ath9k_hw_stopdmarecv(struct ath_hw *ah);
+bool ath9k_hw_stopdmarecv(struct ath_hw *ah, bool *reset);
 int ath9k_hw_beaconq_setup(struct ath_hw *ah);
 
 /* Interrupt Handling */
diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index 3842b7518661..cfaf0a48b939 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -486,12 +486,12 @@ start_recv:
 bool ath_stoprecv(struct ath_softc *sc)
 {
         struct ath_hw *ah = sc->sc_ah;
-        bool stopped;
+        bool stopped, reset = false;
 
         spin_lock_bh(&sc->rx.rxbuflock);
         ath9k_hw_abortpcurecv(ah);
         ath9k_hw_setrxfilter(ah, 0);
-        stopped = ath9k_hw_stopdmarecv(ah);
+        stopped = ath9k_hw_stopdmarecv(ah, &reset);
 
         if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)
                 ath_edma_stop_recv(sc);
@@ -506,7 +506,7 @@ bool ath_stoprecv(struct ath_softc *sc)
                         "confusing the DMA engine when we start RX up\n");
                 ATH_DBG_WARN_ON_ONCE(!stopped);
         }
-        return stopped;
+        return stopped || reset;
 }
 
 void ath_flushrecv(struct ath_softc *sc)
diff --git a/drivers/net/wireless/iwlegacy/iwl-3945-hw.h b/drivers/net/wireless/iwlegacy/iwl-3945-hw.h
index 779d3cb86e2c..5c3a68d3af12 100644
--- a/drivers/net/wireless/iwlegacy/iwl-3945-hw.h
+++ b/drivers/net/wireless/iwlegacy/iwl-3945-hw.h
@@ -74,8 +74,6 @@
 /* RSSI to dBm */
 #define IWL39_RSSI_OFFSET       95
 
-#define IWL_DEFAULT_TX_POWER    0x0F
-
 /*
  * EEPROM related constants, enums, and structures.
  */
diff --git a/drivers/net/wireless/iwlegacy/iwl-4965-hw.h b/drivers/net/wireless/iwlegacy/iwl-4965-hw.h
index 08b189c8472d..fc6fa2886d9c 100644
--- a/drivers/net/wireless/iwlegacy/iwl-4965-hw.h
+++ b/drivers/net/wireless/iwlegacy/iwl-4965-hw.h
@@ -804,9 +804,6 @@ struct iwl4965_scd_bc_tbl {
 
 #define IWL4965_DEFAULT_TX_RETRY  15
 
-/* Limit range of txpower output target to be between these values */
-#define IWL4965_TX_POWER_TARGET_POWER_MIN       (0)     /* 0 dBm: 1 milliwatt */
-
 /* EEPROM */
 #define IWL4965_FIRST_AMPDU_QUEUE       10
 
diff --git a/drivers/net/wireless/iwlegacy/iwl-core.c b/drivers/net/wireless/iwlegacy/iwl-core.c
index 7007d61bb6b5..c1511b14b239 100644
--- a/drivers/net/wireless/iwlegacy/iwl-core.c
+++ b/drivers/net/wireless/iwlegacy/iwl-core.c
@@ -160,6 +160,7 @@ int iwl_legacy_init_geos(struct iwl_priv *priv)
         struct ieee80211_channel *geo_ch;
         struct ieee80211_rate *rates;
         int i = 0;
+        s8 max_tx_power = 0;
 
         if (priv->bands[IEEE80211_BAND_2GHZ].n_bitrates ||
             priv->bands[IEEE80211_BAND_5GHZ].n_bitrates) {
@@ -235,8 +236,8 @@ int iwl_legacy_init_geos(struct iwl_priv *priv)
 
                         geo_ch->flags |= ch->ht40_extension_channel;
 
-                        if (ch->max_power_avg > priv->tx_power_device_lmt)
-                                priv->tx_power_device_lmt = ch->max_power_avg;
+                        if (ch->max_power_avg > max_tx_power)
+                                max_tx_power = ch->max_power_avg;
                 } else {
                         geo_ch->flags |= IEEE80211_CHAN_DISABLED;
                 }
@@ -249,6 +250,10 @@ int iwl_legacy_init_geos(struct iwl_priv *priv)
                                  geo_ch->flags);
         }
 
+        priv->tx_power_device_lmt = max_tx_power;
+        priv->tx_power_user_lmt = max_tx_power;
+        priv->tx_power_next = max_tx_power;
+
         if ((priv->bands[IEEE80211_BAND_5GHZ].n_channels == 0) &&
              priv->cfg->sku & IWL_SKU_A) {
                 IWL_INFO(priv, "Incorrectly detected BG card as ABG. "
@@ -1124,11 +1129,11 @@ int iwl_legacy_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force)
         if (!priv->cfg->ops->lib->send_tx_power)
                 return -EOPNOTSUPP;
 
-        if (tx_power < IWL4965_TX_POWER_TARGET_POWER_MIN) {
+        /* 0 dBm mean 1 milliwatt */
+        if (tx_power < 0) {
                 IWL_WARN(priv,
-                         "Requested user TXPOWER %d below lower limit %d.\n",
-                         tx_power,
-                         IWL4965_TX_POWER_TARGET_POWER_MIN);
+                         "Requested user TXPOWER %d below 1 mW.\n",
+                         tx_power);
                 return -EINVAL;
         }
 
diff --git a/drivers/net/wireless/iwlegacy/iwl-eeprom.c b/drivers/net/wireless/iwlegacy/iwl-eeprom.c
index 04c5648027df..cb346d1a9ffa 100644
--- a/drivers/net/wireless/iwlegacy/iwl-eeprom.c
+++ b/drivers/net/wireless/iwlegacy/iwl-eeprom.c
@@ -471,13 +471,6 @@ int iwl_legacy_init_channel_map(struct iwl_priv *priv)
                                              flags & EEPROM_CHANNEL_RADAR))
                                        ? "" : "not ");
 
-                        /* Set the tx_power_user_lmt to the highest power
-                         * supported by any channel */
-                        if (eeprom_ch_info[ch].max_power_avg >
-                                                priv->tx_power_user_lmt)
-                                priv->tx_power_user_lmt =
-                                    eeprom_ch_info[ch].max_power_avg;
-
                         ch_info++;
                 }
         }
diff --git a/drivers/net/wireless/iwlegacy/iwl3945-base.c b/drivers/net/wireless/iwlegacy/iwl3945-base.c
index 28eb3d885ba1..cc7ebcee60e5 100644
--- a/drivers/net/wireless/iwlegacy/iwl3945-base.c
+++ b/drivers/net/wireless/iwlegacy/iwl3945-base.c
@@ -3825,10 +3825,6 @@ static int iwl3945_init_drv(struct iwl_priv *priv)
         priv->force_reset[IWL_FW_RESET].reset_duration =
                 IWL_DELAY_NEXT_FORCE_FW_RELOAD;
 
-
-        priv->tx_power_user_lmt = IWL_DEFAULT_TX_POWER;
-        priv->tx_power_next = IWL_DEFAULT_TX_POWER;
-
         if (eeprom->version < EEPROM_3945_EEPROM_VERSION) {
                 IWL_WARN(priv, "Unsupported EEPROM version: 0x%04X\n",
                          eeprom->version);
diff --git a/drivers/net/wireless/iwlegacy/iwl4965-base.c b/drivers/net/wireless/iwlegacy/iwl4965-base.c
index 91b3d8b9d7a5..d484c3678163 100644
--- a/drivers/net/wireless/iwlegacy/iwl4965-base.c
+++ b/drivers/net/wireless/iwlegacy/iwl4965-base.c
@@ -3140,12 +3140,6 @@ static int iwl4965_init_drv(struct iwl_priv *priv)
 
         iwl_legacy_init_scan_params(priv);
 
-        /* Set the tx_power_user_lmt to the lowest power level
-         * this value will get overwritten by channel max power avg
-         * from eeprom */
-        priv->tx_power_user_lmt = IWL4965_TX_POWER_TARGET_POWER_MIN;
-        priv->tx_power_next = IWL4965_TX_POWER_TARGET_POWER_MIN;
-
         ret = iwl_legacy_init_channel_map(priv);
         if (ret) {
                 IWL_ERR(priv, "initializing regulatory failed: %d\n", ret);