1 files changed, 76 insertions, 18 deletions

diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index ff762ed34f1e..264a6c975f8b 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -62,6 +62,23 @@ static int ieee80211_change_mtu(struct net_device *dev, int new_mtu)
         return 0;
 }
 
+static int ieee80211_change_mac(struct net_device *dev, void *addr)
+{
+        struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+        struct sockaddr *sa = addr;
+        int ret;
+
+        if (ieee80211_sdata_running(sdata))
+                return -EBUSY;
+
+        ret = eth_mac_addr(dev, sa);
+
+        if (ret == 0)
+                memcpy(sdata->vif.addr, sa->sa_data, ETH_ALEN);
+
+        return ret;
+}
+
 static inline int identical_mac_addr_allowed(int type1, int type2)
 {
         return type1 == NL80211_IFTYPE_MONITOR ||
@@ -82,7 +99,6 @@ static int ieee80211_open(struct net_device *dev)
         struct ieee80211_sub_if_data *nsdata;
         struct ieee80211_local *local = sdata->local;
         struct sta_info *sta;
-        struct ieee80211_if_init_conf conf;
         u32 changed = 0;
         int res;
         u32 hw_reconf_flags = 0;
@@ -97,7 +113,7 @@ static int ieee80211_open(struct net_device *dev)
         list_for_each_entry(nsdata, &local->interfaces, list) {
                 struct net_device *ndev = nsdata->dev;
 
-                if (ndev != dev && netif_running(ndev)) {
+                if (ndev != dev && ieee80211_sdata_running(nsdata)) {
                         /*
                          * Allow only a single IBSS interface to be up at any
                          * time. This is restricted because beacon distribution
@@ -183,7 +199,7 @@ static int ieee80211_open(struct net_device *dev)
                 struct net_device *ndev = nsdata->dev;
 
                 /*
-                 * No need to check netif_running since we do not allow
+                 * No need to check running since we do not allow
                  * it to start up with this invalid address.
                  */
                 if (compare_ether_addr(null_addr, ndev->dev_addr) == 0) {
@@ -234,10 +250,7 @@ static int ieee80211_open(struct net_device *dev)
                 ieee80211_configure_filter(local);
                 break;
         default:
-                conf.vif = &sdata->vif;
-                conf.type = sdata->vif.type;
-                conf.mac_addr = dev->dev_addr;
-                res = drv_add_interface(local, &conf);
+                res = drv_add_interface(local, &sdata->vif);
                 if (res)
                         goto err_stop;
 
@@ -320,7 +333,7 @@ static int ieee80211_open(struct net_device *dev)
 
         return 0;
  err_del_interface:
-        drv_remove_interface(local, &conf);
+        drv_remove_interface(local, &sdata->vif);
  err_stop:
         if (!local->open_count)
                 drv_stop(local);
@@ -335,7 +348,6 @@ static int ieee80211_stop(struct net_device *dev)
 {
         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
         struct ieee80211_local *local = sdata->local;
-        struct ieee80211_if_init_conf conf;
         struct sta_info *sta;
         unsigned long flags;
         struct sk_buff *skb, *tmp;
@@ -348,6 +360,11 @@ static int ieee80211_stop(struct net_device *dev)
         netif_tx_stop_all_queues(dev);
 
         /*
+         * Purge work for this interface.
+         */
+        ieee80211_work_purge(sdata);
+
+        /*
          * Now delete all active aggregation sessions.
          */
         rcu_read_lock();
@@ -514,12 +531,9 @@ static int ieee80211_stop(struct net_device *dev)
                                 BSS_CHANGED_BEACON_ENABLED);
                 }
 
-                conf.vif = &sdata->vif;
-                conf.type = sdata->vif.type;
-                conf.mac_addr = dev->dev_addr;
                 /* disable all keys for as long as this netdev is down */
                 ieee80211_disable_keys(sdata);
-                drv_remove_interface(local, &conf);
+                drv_remove_interface(local, &sdata->vif);
         }
 
         sdata->bss = NULL;
@@ -659,7 +673,7 @@ static const struct net_device_ops ieee80211_dataif_ops = {
         .ndo_start_xmit         = ieee80211_subif_start_xmit,
         .ndo_set_multicast_list = ieee80211_set_multicast_list,
         .ndo_change_mtu         = ieee80211_change_mtu,
-        .ndo_set_mac_address    = eth_mac_addr,
+        .ndo_set_mac_address    = ieee80211_change_mac,
         .ndo_select_queue       = ieee80211_netdev_select_queue,
 };
 
@@ -775,7 +789,7 @@ int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata,
          * and goes into the requested mode.
          */
 
-        if (netif_running(sdata->dev))
+        if (ieee80211_sdata_running(sdata))
                 return -EBUSY;
 
         /* Purge and reset type-dependent state. */
@@ -829,6 +843,8 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name,
         /* don't use IEEE80211_DEV_TO_SUB_IF because it checks too much */
         sdata = netdev_priv(ndev);
         ndev->ieee80211_ptr = &sdata->wdev;
+        memcpy(sdata->vif.addr, ndev->dev_addr, ETH_ALEN);
+        memcpy(sdata->name, ndev->name, IFNAMSIZ);
 
         /* initialise type-independent data */
         sdata->wdev.wiphy = local->hw.wiphy;
@@ -934,6 +950,8 @@ static u32 ieee80211_idle_on(struct ieee80211_local *local)
                wiphy_name(local->hw.wiphy));
 #endif
 
+        drv_flush(local, false);
+
         local->hw.conf.flags |= IEEE80211_CONF_IDLE;
         return IEEE80211_CONF_CHANGE_IDLE;
 }
@@ -943,16 +961,18 @@ u32 __ieee80211_recalc_idle(struct ieee80211_local *local)
         struct ieee80211_sub_if_data *sdata;
         int count = 0;
 
+        if (!list_empty(&local->work_list))
+                return ieee80211_idle_off(local, "working");
+
         if (local->scanning)
                 return ieee80211_idle_off(local, "scanning");
 
         list_for_each_entry(sdata, &local->interfaces, list) {
-                if (!netif_running(sdata->dev))
+                if (!ieee80211_sdata_running(sdata))
                         continue;
                 /* do not count disabled managed interfaces */
                 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
-                    !sdata->u.mgd.associated &&
-                    list_empty(&sdata->u.mgd.work_list))
+                    !sdata->u.mgd.associated)
                         continue;
                 /* do not count unused IBSS interfaces */
                 if (sdata->vif.type == NL80211_IFTYPE_ADHOC &&
@@ -980,3 +1000,41 @@ void ieee80211_recalc_idle(struct ieee80211_local *local)
         if (chg)
                 ieee80211_hw_config(local, chg);
 }
+
+static int netdev_notify(struct notifier_block *nb,
+                         unsigned long state,
+                         void *ndev)
+{
+        struct net_device *dev = ndev;
+        struct ieee80211_sub_if_data *sdata;
+
+        if (state != NETDEV_CHANGENAME)
+                return 0;
+
+        if (!dev->ieee80211_ptr || !dev->ieee80211_ptr->wiphy)
+                return 0;
+
+        if (dev->ieee80211_ptr->wiphy->privid != mac80211_wiphy_privid)
+                return 0;
+
+        sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+        memcpy(sdata->name, sdata->name, IFNAMSIZ);
+
+        ieee80211_debugfs_rename_netdev(sdata);
+        return 0;
+}
+
+static struct notifier_block mac80211_netdev_notifier = {
+        .notifier_call = netdev_notify,
+};
+
+int ieee80211_iface_init(void)
+{
+        return register_netdevice_notifier(&mac80211_netdev_notifier);
+}
+
+void ieee80211_iface_exit(void)
+{
+        unregister_netdevice_notifier(&mac80211_netdev_notifier);
+}