7 files changed, 39 insertions, 99 deletions

diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index e2574885db4a..a8501f14b167 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -82,7 +82,6 @@ static int ieee80211_change_iface(struct wiphy *wiphy, int ifindex,
                                   enum nl80211_iftype type, u32 *flags,
                                   struct vif_params *params)
 {
-        struct ieee80211_local *local = wiphy_priv(wiphy);
         struct net_device *dev;
         struct ieee80211_sub_if_data *sdata;
         int ret;
@@ -95,9 +94,6 @@ static int ieee80211_change_iface(struct wiphy *wiphy, int ifindex,
         if (!nl80211_type_check(type))
                 return -EINVAL;
 
-        if (dev == local->mdev)
-                return -EOPNOTSUPP;
-
         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 
         ret = ieee80211_if_change_type(sdata, type);
@@ -120,16 +116,12 @@ static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
                              u8 key_idx, u8 *mac_addr,
                              struct key_params *params)
 {
-        struct ieee80211_local *local = wiphy_priv(wiphy);
         struct ieee80211_sub_if_data *sdata;
         struct sta_info *sta = NULL;
         enum ieee80211_key_alg alg;
         struct ieee80211_key *key;
         int err;
 
-        if (dev == local->mdev)
-                return -EOPNOTSUPP;
-
         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 
         switch (params->cipher) {
@@ -174,14 +166,10 @@ static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
                              u8 key_idx, u8 *mac_addr)
 {
-        struct ieee80211_local *local = wiphy_priv(wiphy);
         struct ieee80211_sub_if_data *sdata;
         struct sta_info *sta;
         int ret;
 
-        if (dev == local->mdev)
-                return -EOPNOTSUPP;
-
         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 
         rcu_read_lock();
@@ -222,7 +210,6 @@ static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
                              void (*callback)(void *cookie,
                                               struct key_params *params))
 {
-        struct ieee80211_local *local = wiphy_priv(wiphy);
         struct ieee80211_sub_if_data *sdata;
         struct sta_info *sta = NULL;
         u8 seq[6] = {0};
@@ -232,9 +219,6 @@ static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
         u16 iv16;
         int err = -ENOENT;
 
-        if (dev == local->mdev)
-                return -EOPNOTSUPP;
-
         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 
         rcu_read_lock();
@@ -310,12 +294,8 @@ static int ieee80211_config_default_key(struct wiphy *wiphy,
                                         struct net_device *dev,
                                         u8 key_idx)
 {
-        struct ieee80211_local *local = wiphy_priv(wiphy);
         struct ieee80211_sub_if_data *sdata;
 
-        if (dev == local->mdev)
-                return -EOPNOTSUPP;
-
         rcu_read_lock();
 
         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
@@ -496,13 +476,9 @@ static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata,
 static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev,
                                 struct beacon_parameters *params)
 {
-        struct ieee80211_local *local = wiphy_priv(wiphy);
         struct ieee80211_sub_if_data *sdata;
         struct beacon_data *old;
 
-        if (dev == local->mdev)
-                return -EOPNOTSUPP;
-
         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 
         if (sdata->vif.type != NL80211_IFTYPE_AP)
@@ -519,13 +495,9 @@ static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev,
 static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev,
                                 struct beacon_parameters *params)
 {
-        struct ieee80211_local *local = wiphy_priv(wiphy);
         struct ieee80211_sub_if_data *sdata;
         struct beacon_data *old;
 
-        if (dev == local->mdev)
-                return -EOPNOTSUPP;
-
         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 
         if (sdata->vif.type != NL80211_IFTYPE_AP)
@@ -541,13 +513,9 @@ static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev,
 
 static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev)
 {
-        struct ieee80211_local *local = wiphy_priv(wiphy);
         struct ieee80211_sub_if_data *sdata;
         struct beacon_data *old;
 
-        if (dev == local->mdev)
-                return -EOPNOTSUPP;
-
         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 
         if (sdata->vif.type != NL80211_IFTYPE_AP)
@@ -695,9 +663,6 @@ static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
         struct ieee80211_sub_if_data *sdata;
         int err;
 
-        if (dev == local->mdev || params->vlan == local->mdev)
-                return -EOPNOTSUPP;
-
         /* Prevent a race with changing the rate control algorithm */
         if (!netif_running(dev))
                 return -ENETDOWN;
@@ -752,9 +717,6 @@ static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
         struct ieee80211_sub_if_data *sdata;
         struct sta_info *sta;
 
-        if (dev == local->mdev)
-                return -EOPNOTSUPP;
-
         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 
         if (mac) {
@@ -786,9 +748,6 @@ static int ieee80211_change_station(struct wiphy *wiphy,
         struct sta_info *sta;
         struct ieee80211_sub_if_data *vlansdata;
 
-        if (dev == local->mdev || params->vlan == local->mdev)
-                return -EOPNOTSUPP;
-
         rcu_read_lock();
 
         /* XXX: get sta belonging to dev */
@@ -828,9 +787,6 @@ static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
         struct sta_info *sta;
         int err;
 
-        if (dev == local->mdev)
-                return -EOPNOTSUPP;
-
         if (!netif_running(dev))
                 return -ENETDOWN;
 
@@ -884,9 +840,6 @@ static int ieee80211_change_mpath(struct wiphy *wiphy,
         struct mesh_path *mpath;
         struct sta_info *sta;
 
-        if (dev == local->mdev)
-                return -EOPNOTSUPP;
-
         if (!netif_running(dev))
                 return -ENETDOWN;
 
@@ -958,13 +911,9 @@ static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
                                u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
 
 {
-        struct ieee80211_local *local = wiphy_priv(wiphy);
         struct ieee80211_sub_if_data *sdata;
         struct mesh_path *mpath;
 
-        if (dev == local->mdev)
-                return -EOPNOTSUPP;
-
         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 
         if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
@@ -986,13 +935,9 @@ static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
                                  int idx, u8 *dst, u8 *next_hop,
                                  struct mpath_info *pinfo)
 {
-        struct ieee80211_local *local = wiphy_priv(wiphy);
         struct ieee80211_sub_if_data *sdata;
         struct mesh_path *mpath;
 
-        if (dev == local->mdev)
-                return -EOPNOTSUPP;
-
         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 
         if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
@@ -1015,13 +960,9 @@ static int ieee80211_change_bss(struct wiphy *wiphy,
                                 struct net_device *dev,
                                 struct bss_parameters *params)
 {
-        struct ieee80211_local *local = wiphy_priv(wiphy);
         struct ieee80211_sub_if_data *sdata;
         u32 changed = 0;
 
-        if (dev == local->mdev)
-                return -EOPNOTSUPP;
-
         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 
         if (sdata->vif.type != NL80211_IFTYPE_AP)
diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c
index 81f350eaf8a3..b9902e425f09 100644
--- a/net/mac80211/debugfs_sta.c
+++ b/net/mac80211/debugfs_sta.c
@@ -173,8 +173,7 @@ static ssize_t sta_agg_status_write(struct file *file,
                 const char __user *user_buf, size_t count, loff_t *ppos)
 {
         struct sta_info *sta = file->private_data;
-        struct net_device *dev = sta->sdata->dev;
-        struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+        struct ieee80211_local *local = sta->sdata->local;
         struct ieee80211_hw *hw = &local->hw;
         u8 *da = sta->sta.addr;
         static int tid_static_tx[16] = {0, 0, 0, 0, 0, 0, 0, 0,
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 3912fba6d3d0..0b25b0f46b1a 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -573,6 +573,10 @@ enum {
 /* maximum number of hardware queues we support. */
 #define QD_MAX_QUEUES (IEEE80211_MAX_AMPDU_QUEUES + IEEE80211_MAX_QUEUES)
 
+struct ieee80211_master_priv {
+        struct ieee80211_local *local;
+};
+
 struct ieee80211_local {
         /* embed the driver visible part.
          * don't cast (use the static inlines below), but we keep
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index c307dba7ec03..7d2d5a041e26 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -106,7 +106,8 @@ static const struct header_ops ieee80211_header_ops = {
 
 static int ieee80211_master_open(struct net_device *dev)
 {
-        struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+        struct ieee80211_master_priv *mpriv = netdev_priv(dev);
+        struct ieee80211_local *local = mpriv->local;
         struct ieee80211_sub_if_data *sdata;
         int res = -EOPNOTSUPP;
 
@@ -128,7 +129,8 @@ static int ieee80211_master_open(struct net_device *dev)
 
 static int ieee80211_master_stop(struct net_device *dev)
 {
-        struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+        struct ieee80211_master_priv *mpriv = netdev_priv(dev);
+        struct ieee80211_local *local = mpriv->local;
         struct ieee80211_sub_if_data *sdata;
 
         /* we hold the RTNL here so can safely walk the list */
@@ -141,7 +143,8 @@ static int ieee80211_master_stop(struct net_device *dev)
 
 static void ieee80211_master_set_multicast_list(struct net_device *dev)
 {
-        struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+        struct ieee80211_master_priv *mpriv = netdev_priv(dev);
+        struct ieee80211_local *local = mpriv->local;
 
         ieee80211_configure_filter(local);
 }
@@ -787,7 +790,7 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
         int result;
         enum ieee80211_band band;
         struct net_device *mdev;
-        struct wireless_dev *mwdev;
+        struct ieee80211_master_priv *mpriv;
 
         /*
          * generic code guarantees at least one band,
@@ -829,16 +832,14 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
         if (hw->queues < 4)
                 hw->ampdu_queues = 0;
 
-        mdev = alloc_netdev_mq(sizeof(struct wireless_dev),
+        mdev = alloc_netdev_mq(sizeof(struct ieee80211_master_priv),
                                "wmaster%d", ether_setup,
                                ieee80211_num_queues(hw));
         if (!mdev)
                 goto fail_mdev_alloc;
 
-        mwdev = netdev_priv(mdev);
-        mdev->ieee80211_ptr = mwdev;
-        mwdev->wiphy = local->hw.wiphy;
-
+        mpriv = netdev_priv(mdev);
+        mpriv->local = local;
         local->mdev = mdev;
 
         ieee80211_rx_bss_list_init(local);
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 30cf891fd3a8..8013277924f2 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -351,7 +351,7 @@ static void ieee80211_mesh_path_timer(unsigned long data)
         struct ieee80211_sub_if_data *sdata =
                 (struct ieee80211_sub_if_data *) data;
         struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
-        struct ieee80211_local *local = wdev_priv(&sdata->wdev);
+        struct ieee80211_local *local = sdata->local;
 
         queue_work(local->hw.workqueue, &ifmsh->work);
 }
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 92d898b901e9..3ab9670f1809 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -650,32 +650,28 @@ ieee80211_rx_h_decrypt(struct ieee80211_rx_data *rx)
         return result;
 }
 
-static void ap_sta_ps_start(struct net_device *dev, struct sta_info *sta)
+static void ap_sta_ps_start(struct sta_info *sta)
 {
-        struct ieee80211_sub_if_data *sdata;
+        struct ieee80211_sub_if_data *sdata = sta->sdata;
         DECLARE_MAC_BUF(mac);
 
-        sdata = sta->sdata;
-
         atomic_inc(&sdata->bss->num_sta_ps);
         set_and_clear_sta_flags(sta, WLAN_STA_PS, WLAN_STA_PSPOLL);
 #ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
         printk(KERN_DEBUG "%s: STA %s aid %d enters power save mode\n",
-               dev->name, print_mac(mac, sta->sta.addr), sta->sta.aid);
+               sdata->dev->name, print_mac(mac, sta->sta.addr), sta->sta.aid);
 #endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
 }
 
-static int ap_sta_ps_end(struct net_device *dev, struct sta_info *sta)
+static int ap_sta_ps_end(struct sta_info *sta)
 {
-        struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+        struct ieee80211_sub_if_data *sdata = sta->sdata;
+        struct ieee80211_local *local = sdata->local;
         struct sk_buff *skb;
         int sent = 0;
-        struct ieee80211_sub_if_data *sdata;
         struct ieee80211_tx_info *info;
         DECLARE_MAC_BUF(mac);
 
-        sdata = sta->sdata;
-
         atomic_dec(&sdata->bss->num_sta_ps);
 
         clear_sta_flags(sta, WLAN_STA_PS | WLAN_STA_PSPOLL);
@@ -685,7 +681,7 @@ static int ap_sta_ps_end(struct net_device *dev, struct sta_info *sta)
 
 #ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
         printk(KERN_DEBUG "%s: STA %s aid %d exits power save mode\n",
-               dev->name, print_mac(mac, sta->sta.addr), sta->sta.aid);
+               sdata->dev->name, print_mac(mac, sta->sta.addr), sta->sta.aid);
 #endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
 
         /* Send all buffered frames to the station */
@@ -701,7 +697,7 @@ static int ap_sta_ps_end(struct net_device *dev, struct sta_info *sta)
                 sent++;
 #ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
                 printk(KERN_DEBUG "%s: STA %s aid %d send PS frame "
-                       "since STA not sleeping anymore\n", dev->name,
+                       "since STA not sleeping anymore\n", sdata->dev->name,
                        print_mac(mac, sta->sta.addr), sta->sta.aid);
 #endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
                 info->flags |= IEEE80211_TX_CTL_REQUEUE;
@@ -715,7 +711,6 @@ static ieee80211_rx_result debug_noinline
 ieee80211_rx_h_sta_process(struct ieee80211_rx_data *rx)
 {
         struct sta_info *sta = rx->sta;
-        struct net_device *dev = rx->dev;
         struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;
 
         if (!sta)
@@ -757,10 +752,10 @@ ieee80211_rx_h_sta_process(struct ieee80211_rx_data *rx)
                  * exchange sequence */
                 if (test_sta_flags(sta, WLAN_STA_PS) &&
                     !ieee80211_has_pm(hdr->frame_control))
-                        rx->sent_ps_buffered += ap_sta_ps_end(dev, sta);
+                        rx->sent_ps_buffered += ap_sta_ps_end(sta);
                 else if (!test_sta_flags(sta, WLAN_STA_PS) &&
                          ieee80211_has_pm(hdr->frame_control))
-                        ap_sta_ps_start(dev, sta);
+                        ap_sta_ps_start(sta);
         }
 
         /* Drop data::nullfunc frames silently, since they are used only to
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 20d683641b42..00d798cc9e04 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -165,11 +165,10 @@ static __le16 ieee80211_duration(struct ieee80211_tx_data *tx, int group_addr,
         return cpu_to_le16(dur);
 }
 
-static int inline is_ieee80211_device(struct net_device *dev,
-                                      struct net_device *master)
+static int inline is_ieee80211_device(struct ieee80211_local *local,
+                                      struct net_device *dev)
 {
-        return (wdev_priv(dev->ieee80211_ptr) ==
-                wdev_priv(master->ieee80211_ptr));
+        return local == wdev_priv(dev->ieee80211_ptr);
 }
 
 /* tx handlers */
@@ -1001,14 +1000,14 @@ __ieee80211_tx_prepare(struct ieee80211_tx_data *tx,
 /*
  * NB: @tx is uninitialised when passed in here
  */
-static int ieee80211_tx_prepare(struct ieee80211_tx_data *tx,
-                                struct sk_buff *skb,
-                                struct net_device *mdev)
+static int ieee80211_tx_prepare(struct ieee80211_local *local,
+                                struct ieee80211_tx_data *tx,
+                                struct sk_buff *skb)
 {
         struct net_device *dev;
 
         dev = dev_get_by_index(&init_net, skb->iif);
-        if (unlikely(dev && !is_ieee80211_device(dev, mdev))) {
+        if (unlikely(dev && !is_ieee80211_device(local, dev))) {
                 dev_put(dev);
                 dev = NULL;
         }
@@ -1258,6 +1257,8 @@ static int ieee80211_skb_resize(struct ieee80211_local *local,
 int ieee80211_master_start_xmit(struct sk_buff *skb,
                                 struct net_device *dev)
 {
+        struct ieee80211_master_priv *mpriv = netdev_priv(dev);
+        struct ieee80211_local *local = mpriv->local;
         struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
         struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
         struct net_device *odev = NULL;
@@ -1273,7 +1274,7 @@ int ieee80211_master_start_xmit(struct sk_buff *skb,
 
         if (skb->iif)
                 odev = dev_get_by_index(&init_net, skb->iif);
-        if (unlikely(odev && !is_ieee80211_device(odev, dev))) {
+        if (unlikely(odev && !is_ieee80211_device(local, odev))) {
                 dev_put(odev);
                 odev = NULL;
         }
@@ -1449,8 +1450,8 @@ fail:
 int ieee80211_subif_start_xmit(struct sk_buff *skb,
                                struct net_device *dev)
 {
-        struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-        struct ieee80211_sub_if_data *sdata;
+        struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+        struct ieee80211_local *local = sdata->local;
         int ret = 1, head_need;
         u16 ethertype, hdrlen,  meshhdrlen = 0;
         __le16 fc;
@@ -1462,7 +1463,6 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb,
         struct sta_info *sta;
         u32 sta_flags = 0;
 
-        sdata = IEEE80211_DEV_TO_SUB_IF(dev);
         if (unlikely(skb->len < ETH_HLEN)) {
                 ret = 0;
                 goto fail;
@@ -2032,7 +2032,7 @@ ieee80211_get_buffered_bc(struct ieee80211_hw *hw,
                                 cpu_to_le16(IEEE80211_FCTL_MOREDATA);
                 }
 
-                if (!ieee80211_tx_prepare(&tx, skb, local->mdev))
+                if (!ieee80211_tx_prepare(local, &tx, skb))
                         break;
                 dev_kfree_skb_any(skb);
         }