1 files changed, 101 insertions, 23 deletions

diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 22a384dfab6..7cc4f913a43 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -20,6 +20,7 @@
 #include <linux/rtnetlink.h>
 #include <linux/bitmap.h>
 #include <linux/pm_qos_params.h>
+#include <linux/inetdevice.h>
 #include <net/net_namespace.h>
 #include <net/cfg80211.h>
 
@@ -106,12 +107,15 @@ int ieee80211_hw_config(struct ieee80211_local *local, u32 changed)
         if (scan_chan) {
                 chan = scan_chan;
                 channel_type = NL80211_CHAN_NO_HT;
+                local->hw.conf.flags |= IEEE80211_CONF_OFFCHANNEL;
         } else if (local->tmp_channel) {
                 chan = scan_chan = local->tmp_channel;
                 channel_type = local->tmp_channel_type;
+                local->hw.conf.flags |= IEEE80211_CONF_OFFCHANNEL;
         } else {
                 chan = local->oper_channel;
                 channel_type = local->_oper_channel_type;
+                local->hw.conf.flags &= ~IEEE80211_CONF_OFFCHANNEL;
         }
 
         if (chan != local->hw.conf.channel ||
@@ -259,7 +263,6 @@ static void ieee80211_tasklet_handler(unsigned long data)
 {
         struct ieee80211_local *local = (struct ieee80211_local *) data;
         struct sk_buff *skb;
-        struct ieee80211_ra_tid *ra_tid;
 
         while ((skb = skb_dequeue(&local->skb_queue)) ||
                (skb = skb_dequeue(&local->skb_queue_unreliable))) {
@@ -274,18 +277,6 @@ static void ieee80211_tasklet_handler(unsigned long data)
                         skb->pkt_type = 0;
                         ieee80211_tx_status(local_to_hw(local), skb);
                         break;
-                case IEEE80211_DELBA_MSG:
-                        ra_tid = (struct ieee80211_ra_tid *) &skb->cb;
-                        ieee80211_stop_tx_ba_cb(ra_tid->vif, ra_tid->ra,
-                                                ra_tid->tid);
-                        dev_kfree_skb(skb);
-                        break;
-                case IEEE80211_ADDBA_MSG:
-                        ra_tid = (struct ieee80211_ra_tid *) &skb->cb;
-                        ieee80211_start_tx_ba_cb(ra_tid->vif, ra_tid->ra,
-                                                 ra_tid->tid);
-                        dev_kfree_skb(skb);
-                        break ;
                 default:
                         WARN(1, "mac80211: Packet is of unknown type %d\n",
                              skb->pkt_type);
@@ -329,6 +320,76 @@ static void ieee80211_recalc_smps_work(struct work_struct *work)
         mutex_unlock(&local->iflist_mtx);
 }
 
+#ifdef CONFIG_INET
+static int ieee80211_ifa_changed(struct notifier_block *nb,
+                                 unsigned long data, void *arg)
+{
+        struct in_ifaddr *ifa = arg;
+        struct ieee80211_local *local =
+                container_of(nb, struct ieee80211_local,
+                             ifa_notifier);
+        struct net_device *ndev = ifa->ifa_dev->dev;
+        struct wireless_dev *wdev = ndev->ieee80211_ptr;
+        struct in_device *idev;
+        struct ieee80211_sub_if_data *sdata;
+        struct ieee80211_bss_conf *bss_conf;
+        struct ieee80211_if_managed *ifmgd;
+        int c = 0;
+
+        if (!netif_running(ndev))
+                return NOTIFY_DONE;
+
+        /* Make sure it's our interface that got changed */
+        if (!wdev)
+                return NOTIFY_DONE;
+
+        if (wdev->wiphy != local->hw.wiphy)
+                return NOTIFY_DONE;
+
+        sdata = IEEE80211_DEV_TO_SUB_IF(ndev);
+        bss_conf = &sdata->vif.bss_conf;
+
+        /* ARP filtering is only supported in managed mode */
+        if (sdata->vif.type != NL80211_IFTYPE_STATION)
+                return NOTIFY_DONE;
+
+        idev = sdata->dev->ip_ptr;
+        if (!idev)
+                return NOTIFY_DONE;
+
+        ifmgd = &sdata->u.mgd;
+        mutex_lock(&ifmgd->mtx);
+
+        /* Copy the addresses to the bss_conf list */
+        ifa = idev->ifa_list;
+        while (c < IEEE80211_BSS_ARP_ADDR_LIST_LEN && ifa) {
+                bss_conf->arp_addr_list[c] = ifa->ifa_address;
+                ifa = ifa->ifa_next;
+                c++;
+        }
+
+        /* If not all addresses fit the list, disable filtering */
+        if (ifa) {
+                sdata->arp_filter_state = false;
+                c = 0;
+        } else {
+                sdata->arp_filter_state = true;
+        }
+        bss_conf->arp_addr_cnt = c;
+
+        /* Configure driver only if associated */
+        if (ifmgd->associated) {
+                bss_conf->arp_filter_enabled = sdata->arp_filter_state;
+                ieee80211_bss_info_change_notify(sdata,
+                                                 BSS_CHANGED_ARP_FILTER);
+        }
+
+        mutex_unlock(&ifmgd->mtx);
+
+        return NOTIFY_DONE;
+}
+#endif
+
 struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len,
                                         const struct ieee80211_ops *ops)
 {
@@ -396,7 +457,7 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len,
         mutex_init(&local->iflist_mtx);
         mutex_init(&local->scan_mtx);
 
-        spin_lock_init(&local->key_lock);
+        mutex_init(&local->key_mtx);
         spin_lock_init(&local->filter_lock);
         spin_lock_init(&local->queue_stop_reason_lock);
 
@@ -419,8 +480,10 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len,
 
         sta_info_init(local);
 
-        for (i = 0; i < IEEE80211_MAX_QUEUES; i++)
+        for (i = 0; i < IEEE80211_MAX_QUEUES; i++) {
                 skb_queue_head_init(&local->pending[i]);
+                atomic_set(&local->agg_queue_stop[i], 0);
+        }
         tasklet_init(&local->tx_pending_tasklet, ieee80211_tx_pending,
                      (unsigned long)local);
 
@@ -431,8 +494,6 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len,
         skb_queue_head_init(&local->skb_queue);
         skb_queue_head_init(&local->skb_queue_unreliable);
 
-        spin_lock_init(&local->ampdu_lock);
-
         return local_to_hw(local);
 }
 EXPORT_SYMBOL(ieee80211_alloc_hw);
@@ -572,18 +633,16 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
 
         local->hw.conf.listen_interval = local->hw.max_listen_interval;
 
-        local->hw.conf.dynamic_ps_forced_timeout = -1;
+        local->dynamic_ps_forced_timeout = -1;
 
         result = sta_info_start(local);
         if (result < 0)
                 goto fail_sta_info;
 
         result = ieee80211_wep_init(local);
-        if (result < 0) {
+        if (result < 0)
                 printk(KERN_DEBUG "%s: Failed to initialize wep: %d\n",
                        wiphy_name(local->hw.wiphy), result);
-                goto fail_wep;
-        }
 
         rtnl_lock();
 
@@ -612,21 +671,30 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
                 ieee80211_max_network_latency;
         result = pm_qos_add_notifier(PM_QOS_NETWORK_LATENCY,
                                      &local->network_latency_notifier);
-
         if (result) {
                 rtnl_lock();
                 goto fail_pm_qos;
         }
 
+#ifdef CONFIG_INET
+        local->ifa_notifier.notifier_call = ieee80211_ifa_changed;
+        result = register_inetaddr_notifier(&local->ifa_notifier);
+        if (result)
+                goto fail_ifa;
+#endif
+
         return 0;
 
+ fail_ifa:
+        pm_qos_remove_notifier(PM_QOS_NETWORK_LATENCY,
+                               &local->network_latency_notifier);
+        rtnl_lock();
  fail_pm_qos:
         ieee80211_led_exit(local);
         ieee80211_remove_interfaces(local);
  fail_rate:
         rtnl_unlock();
         ieee80211_wep_free(local);
- fail_wep:
         sta_info_stop(local);
  fail_sta_info:
         destroy_workqueue(local->workqueue);
@@ -647,6 +715,9 @@ void ieee80211_unregister_hw(struct ieee80211_hw *hw)
 
         pm_qos_remove_notifier(PM_QOS_NETWORK_LATENCY,
                                &local->network_latency_notifier);
+#ifdef CONFIG_INET
+        unregister_inetaddr_notifier(&local->ifa_notifier);
+#endif
 
         rtnl_lock();
 
@@ -704,6 +775,10 @@ static int __init ieee80211_init(void)
         if (ret)
                 return ret;
 
+        ret = rc80211_minstrel_ht_init();
+        if (ret)
+                goto err_minstrel;
+
         ret = rc80211_pid_init();
         if (ret)
                 goto err_pid;
@@ -716,6 +791,8 @@ static int __init ieee80211_init(void)
  err_netdev:
         rc80211_pid_exit();
  err_pid:
+        rc80211_minstrel_ht_exit();
+ err_minstrel:
         rc80211_minstrel_exit();
 
         return ret;
@@ -724,6 +801,7 @@ static int __init ieee80211_init(void)
 static void __exit ieee80211_exit(void)
 {
         rc80211_pid_exit();
+        rc80211_minstrel_ht_exit();
         rc80211_minstrel_exit();
 
         /*