Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1480 commits)
  bonding: enable netpoll without checking link status
  xfrm: Refcount destination entry on xfrm_lookup
  net: introduce rx_handler results and logic around that
  bonding: get rid of IFF_SLAVE_INACTIVE netdev->priv_flag
  bonding: wrap slave state work
  net: get rid of multiple bond-related netdevice->priv_flags
  bonding: register slave pointer for rx_handler
  be2net: Bump up the version number
  be2net: Copyright notice change. Update to Emulex instead of ServerEngines
  e1000e: fix kconfig for crc32 dependency
  netfilter ebtables: fix xt_AUDIT to work with ebtables
  xen network backend driver
  bonding: Improve syslog message at device creation time
  bonding: Call netif_carrier_off after register_netdevice
  bonding: Incorrect TX queue offset
  net_sched: fix ip_tos2prio
  xfrm: fix __xfrm_route_forward()
  be2net: Fix UDP packet detected status in RX compl
  Phonet: fix aligned-mode pipe socket buffer header reserve
  netxen: support for GbE port settings
  ...

Fix up conflicts in drivers/staging/brcm80211/brcmsmac/wl_mac80211.c
with the staging updates.

1 files changed, 32 insertions, 42 deletions

diff --git a/drivers/net/wireless/wl1251/tx.c b/drivers/net/wireless/wl1251/tx.c
index 554b4f9a3d3e..28121c590a2b 100644
--- a/drivers/net/wireless/wl1251/tx.c
+++ b/drivers/net/wireless/wl1251/tx.c
@@ -213,16 +213,30 @@ static int wl1251_tx_send_packet(struct wl1251 *wl, struct sk_buff *skb,
                 wl1251_debug(DEBUG_TX, "skb offset %d", offset);
 
                 /* check whether the current skb can be used */
-                if (!skb_cloned(skb) && (skb_tailroom(skb) >= offset)) {
-                        unsigned char *src = skb->data;
+                if (skb_cloned(skb) || (skb_tailroom(skb) < offset)) {
+                        struct sk_buff *newskb = skb_copy_expand(skb, 0, 3,
+                                                                 GFP_KERNEL);
+
+                        if (unlikely(newskb == NULL)) {
+                                wl1251_error("Can't allocate skb!");
+                                return -EINVAL;
+                        }
 
-                        /* align the buffer on a 4-byte boundary */
+                        tx_hdr = (struct tx_double_buffer_desc *) newskb->data;
+
+                        dev_kfree_skb_any(skb);
+                        wl->tx_frames[tx_hdr->id] = skb = newskb;
+
+                        offset = (4 - (long)skb->data) & 0x03;
+                        wl1251_debug(DEBUG_TX, "new skb offset %d", offset);
+                }
+
+                /* align the buffer on a 4-byte boundary */
+                if (offset) {
+                        unsigned char *src = skb->data;
                         skb_reserve(skb, offset);
                         memmove(skb->data, src, skb->len);
                         tx_hdr = (struct tx_double_buffer_desc *) skb->data;
-                } else {
-                        wl1251_info("No handler, fixme!");
-                        return -EINVAL;
                 }
         }
 
@@ -368,7 +382,7 @@ static void wl1251_tx_packet_cb(struct wl1251 *wl,
 {
         struct ieee80211_tx_info *info;
         struct sk_buff *skb;
-        int hdrlen, ret;
+        int hdrlen;
         u8 *frame;
 
         skb = wl->tx_frames[result->id];
@@ -407,40 +421,12 @@ static void wl1251_tx_packet_cb(struct wl1251 *wl,
         ieee80211_tx_status(wl->hw, skb);
 
         wl->tx_frames[result->id] = NULL;
-
-        if (wl->tx_queue_stopped) {
-                wl1251_debug(DEBUG_TX, "cb: queue was stopped");
-
-                skb = skb_dequeue(&wl->tx_queue);
-
-                /* The skb can be NULL because tx_work might have been
-                   scheduled before the queue was stopped making the
-                   queue empty */
-
-                if (skb) {
-                        ret = wl1251_tx_frame(wl, skb);
-                        if (ret == -EBUSY) {
-                                /* firmware buffer is still full */
-                                wl1251_debug(DEBUG_TX, "cb: fw buffer "
-                                             "still full");
-                                skb_queue_head(&wl->tx_queue, skb);
-                                return;
-                        } else if (ret < 0) {
-                                dev_kfree_skb(skb);
-                                return;
-                        }
-                }
-
-                wl1251_debug(DEBUG_TX, "cb: waking queues");
-                ieee80211_wake_queues(wl->hw);
-                wl->tx_queue_stopped = false;
-        }
 }
 
 /* Called upon reception of a TX complete interrupt */
 void wl1251_tx_complete(struct wl1251 *wl)
 {
-        int i, result_index, num_complete = 0;
+        int i, result_index, num_complete = 0, queue_len;
         struct tx_result result[FW_TX_CMPLT_BLOCK_SIZE], *result_ptr;
         unsigned long flags;
 
@@ -471,18 +457,22 @@ void wl1251_tx_complete(struct wl1251 *wl)
                 }
         }
 
-        if (wl->tx_queue_stopped
-            &&
-            skb_queue_len(&wl->tx_queue) <= WL1251_TX_QUEUE_LOW_WATERMARK){
+        queue_len = skb_queue_len(&wl->tx_queue);
 
-                /* firmware buffer has space, restart queues */
+        if ((num_complete > 0) && (queue_len > 0)) {
+                /* firmware buffer has space, reschedule tx_work */
+                wl1251_debug(DEBUG_TX, "tx_complete: reschedule tx_work");
+                ieee80211_queue_work(wl->hw, &wl->tx_work);
+        }
+
+        if (wl->tx_queue_stopped &&
+            queue_len <= WL1251_TX_QUEUE_LOW_WATERMARK) {
+                /* tx_queue has space, restart queues */
                 wl1251_debug(DEBUG_TX, "tx_complete: waking queues");
                 spin_lock_irqsave(&wl->wl_lock, flags);
                 ieee80211_wake_queues(wl->hw);
                 wl->tx_queue_stopped = false;
                 spin_unlock_irqrestore(&wl->wl_lock, flags);
-                ieee80211_queue_work(wl->hw, &wl->tx_work);
-
         }
 
         /* Every completed frame needs to be acknowledged */