1 files changed, 23 insertions, 21 deletions

diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index b8295cbd7e8f..80c16f6e2af6 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -184,10 +184,12 @@ static int ieee80211_open(struct net_device *dev)
 		 * No need to check netif_running since we do not allow
 		 * it to start up with this invalid address.
 		 */
-		if (compare_ether_addr(null_addr, ndev->dev_addr) == 0)
+		if (compare_ether_addr(null_addr, ndev->dev_addr) == 0) {
 			memcpy(ndev->dev_addr,
 			       local->hw.wiphy->perm_addr,
 			       ETH_ALEN);
+			memcpy(ndev->perm_addr, ndev->dev_addr, ETH_ALEN);
+		}
 	}
 
 	/*
@@ -212,8 +214,8 @@ static int ieee80211_open(struct net_device *dev)
 		/* must be before the call to ieee80211_configure_filter */
 		local->monitors++;
 		if (local->monitors == 1) {
-			local->hw.conf.flags |= IEEE80211_CONF_RADIOTAP;
-			hw_reconf_flags |= IEEE80211_CONF_CHANGE_RADIOTAP;
+			local->hw.conf.flags |= IEEE80211_CONF_MONITOR;
+			hw_reconf_flags |= IEEE80211_CONF_CHANGE_MONITOR;
 		}
 
 		if (sdata->u.mntr_flags & MONITOR_FLAG_FCSFAIL)
@@ -312,7 +314,7 @@ static int ieee80211_open(struct net_device *dev)
 	if (sdata->vif.type == NL80211_IFTYPE_STATION)
 		ieee80211_queue_work(&local->hw, &sdata->u.mgd.work);
 
-	netif_tx_start_all_queues(dev);
+	netif_start_queue(dev);
 
 	return 0;
  err_del_interface:
@@ -341,7 +343,7 @@ static int ieee80211_stop(struct net_device *dev)
 	/*
 	 * Stop TX on this interface first.
 	 */
-	netif_tx_stop_all_queues(dev);
+	netif_stop_queue(dev);
 
 	/*
 	 * Now delete all active aggregation sessions.
@@ -433,8 +435,8 @@ static int ieee80211_stop(struct net_device *dev)
 
 		local->monitors--;
 		if (local->monitors == 0) {
-			local->hw.conf.flags &= ~IEEE80211_CONF_RADIOTAP;
-			hw_reconf_flags |= IEEE80211_CONF_CHANGE_RADIOTAP;
+			local->hw.conf.flags &= ~IEEE80211_CONF_MONITOR;
+			hw_reconf_flags |= IEEE80211_CONF_CHANGE_MONITOR;
 		}
 
 		if (sdata->u.mntr_flags & MONITOR_FLAG_FCSFAIL)
@@ -750,14 +752,12 @@ int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata,
 		ieee80211_mandatory_rates(sdata->local,
 			sdata->local->hw.conf.channel->band);
 	sdata->drop_unencrypted = 0;
+	if (type == NL80211_IFTYPE_STATION)
+		sdata->u.mgd.use_4addr = false;
 
 	return 0;
 }
 
-static struct device_type wiphy_type = {
-	.name	= "wlan",
-};
-
 int ieee80211_if_add(struct ieee80211_local *local, const char *name,
 		     struct net_device **new_dev, enum nl80211_iftype type,
 		     struct vif_params *params)
@@ -788,8 +788,8 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name,
 		goto fail;
 
 	memcpy(ndev->dev_addr, local->hw.wiphy->perm_addr, ETH_ALEN);
+	memcpy(ndev->perm_addr, ndev->dev_addr, ETH_ALEN);
 	SET_NETDEV_DEV(ndev, wiphy_dev(local->hw.wiphy));
-	SET_NETDEV_DEVTYPE(ndev, &wiphy_type);
 
 	/* don't use IEEE80211_DEV_TO_SUB_IF because it checks too much */
 	sdata = netdev_priv(ndev);
@@ -811,6 +811,12 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name,
 	/* setup type-dependent data */
 	ieee80211_setup_sdata(sdata, type);
 
+	if (params) {
+		ndev->ieee80211_ptr->use_4addr = params->use_4addr;
+		if (type == NL80211_IFTYPE_STATION)
+			sdata->u.mgd.use_4addr = params->use_4addr;
+	}
+
 	ret = register_netdevice(ndev);
 	if (ret)
 		goto fail;
@@ -854,22 +860,18 @@ void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata)
 void ieee80211_remove_interfaces(struct ieee80211_local *local)
 {
 	struct ieee80211_sub_if_data *sdata, *tmp;
+	LIST_HEAD(unreg_list);
 
 	ASSERT_RTNL();
 
+	mutex_lock(&local->iflist_mtx);
 	list_for_each_entry_safe(sdata, tmp, &local->interfaces, list) {
-		/*
-		 * we cannot hold the iflist_mtx across unregister_netdevice,
-		 * but we only need to hold it for list modifications to lock
-		 * out readers since we're under the RTNL here as all other
-		 * writers.
-		 */
-		mutex_lock(&local->iflist_mtx);
 		list_del(&sdata->list);
-		mutex_unlock(&local->iflist_mtx);
 
-		unregister_netdevice(sdata->dev);
+		unregister_netdevice_queue(sdata->dev, &unreg_list);
 	}
+	mutex_unlock(&local->iflist_mtx);
+	unregister_netdevice_many(&unreg_list);
 }
 
 static u32 ieee80211_idle_off(struct ieee80211_local *local,