1 files changed, 33 insertions, 27 deletions

diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 7e38858a9280..ca170b417da6 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -18,7 +18,6 @@
 #include <linux/skbuff.h>
 #include <linux/etherdevice.h>
 #include <linux/if_arp.h>
-#include <linux/wireless.h>
 #include <linux/bitmap.h>
 #include <linux/crc32.h>
 #include <net/net_namespace.h>
@@ -269,6 +268,7 @@ static void __ieee80211_wake_queue(struct ieee80211_hw *hw, int queue,
                                    enum queue_stop_reason reason)
 {
         struct ieee80211_local *local = hw_to_local(hw);
+        struct ieee80211_sub_if_data *sdata;
 
         if (WARN_ON(queue >= hw->queues))
                 return;
@@ -281,6 +281,11 @@ static void __ieee80211_wake_queue(struct ieee80211_hw *hw, int queue,
 
         if (!skb_queue_empty(&local->pending[queue]))
                 tasklet_schedule(&local->tx_pending_tasklet);
+
+        rcu_read_lock();
+        list_for_each_entry_rcu(sdata, &local->interfaces, list)
+                netif_tx_wake_queue(netdev_get_tx_queue(sdata->dev, queue));
+        rcu_read_unlock();
 }
 
 void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue,
@@ -305,11 +310,17 @@ static void __ieee80211_stop_queue(struct ieee80211_hw *hw, int queue,
                                    enum queue_stop_reason reason)
 {
         struct ieee80211_local *local = hw_to_local(hw);
+        struct ieee80211_sub_if_data *sdata;
 
         if (WARN_ON(queue >= hw->queues))
                 return;
 
         __set_bit(reason, &local->queue_stop_reasons[queue]);
+
+        rcu_read_lock();
+        list_for_each_entry_rcu(sdata, &local->interfaces, list)
+                netif_tx_stop_queue(netdev_get_tx_queue(sdata->dev, queue));
+        rcu_read_unlock();
 }
 
 void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue,
@@ -781,6 +792,8 @@ void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata)
                         break;
                 }
 
+                qparam.uapsd = false;
+
                 drv_conf_tx(local, queue, &qparam);
         }
 }
@@ -989,40 +1002,33 @@ void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst,
         struct ieee80211_local *local = sdata->local;
         struct sk_buff *skb;
         struct ieee80211_mgmt *mgmt;
-        u8 *pos;
-
-        skb = dev_alloc_skb(local->hw.extra_tx_headroom + sizeof(*mgmt) + 200 +
-                            ie_len);
-        if (!skb) {
-                printk(KERN_DEBUG "%s: failed to allocate buffer for probe "
-                       "request\n", sdata->name);
+        size_t buf_len;
+        u8 *buf;
+
+        /* FIXME: come up with a proper value */
+        buf = kmalloc(200 + ie_len, GFP_KERNEL);
+        if (!buf) {
+                printk(KERN_DEBUG "%s: failed to allocate temporary IE "
+                       "buffer\n", sdata->name);
                 return;
         }
-        skb_reserve(skb, local->hw.extra_tx_headroom);
 
-        mgmt = (struct ieee80211_mgmt *) skb_put(skb, 24);
-        memset(mgmt, 0, 24);
-        mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
-                                          IEEE80211_STYPE_PROBE_REQ);
-        memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
+        buf_len = ieee80211_build_preq_ies(local, buf, ie, ie_len,
+                                           local->hw.conf.channel->band);
+
+        skb = ieee80211_probereq_get(&local->hw, &sdata->vif,
+                                     ssid, ssid_len,
+                                     buf, buf_len);
+
         if (dst) {
+                mgmt = (struct ieee80211_mgmt *) skb->data;
                 memcpy(mgmt->da, dst, ETH_ALEN);
                 memcpy(mgmt->bssid, dst, ETH_ALEN);
-        } else {
-                memset(mgmt->da, 0xff, ETH_ALEN);
-                memset(mgmt->bssid, 0xff, ETH_ALEN);
         }
-        pos = skb_put(skb, 2 + ssid_len);
-        *pos++ = WLAN_EID_SSID;
-        *pos++ = ssid_len;
-        memcpy(pos, ssid, ssid_len);
-        pos += ssid_len;
-
-        skb_put(skb, ieee80211_build_preq_ies(local, pos, ie, ie_len,
-                                              local->hw.conf.channel->band));
 
         IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;
         ieee80211_tx_skb(sdata, skb);
+        kfree(buf);
 }
 
 u32 ieee80211_sta_get_rates(struct ieee80211_local *local,
@@ -1066,9 +1072,9 @@ void ieee80211_stop_device(struct ieee80211_local *local)
         ieee80211_led_radio(local, false);
 
         cancel_work_sync(&local->reconfig_filter);
-        drv_stop(local);
 
         flush_workqueue(local->workqueue);
+        drv_stop(local);
 }
 
 int ieee80211_reconfig(struct ieee80211_local *local)
@@ -1094,7 +1100,7 @@ int ieee80211_reconfig(struct ieee80211_local *local)
                 if (res) {
                         WARN(local->suspended, "Harware became unavailable "
                              "upon resume. This is could be a software issue"
-                             "prior to suspend or a harware issue\n");
+                             "prior to suspend or a hardware issue\n");
                         return res;
                 }