Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

Conflicts:

	include/asm-x86/statfs.h

39 files changed, 6632 insertions, 5272 deletions

diff --git a/net/mac80211/Kconfig b/net/mac80211/Kconfig
index 80d693392b0..7f710a27e91 100644
--- a/net/mac80211/Kconfig
+++ b/net/mac80211/Kconfig
@@ -22,6 +22,11 @@ config MAC80211_RC_PID
 	  mac80211 that uses a PID controller to select the TX
 	  rate.
 
+config MAC80211_RC_MINSTREL
+	bool "Minstrel"
+	---help---
+	  This option enables the 'minstrel' TX rate control algorithm
+
 choice
 	prompt "Default rate control algorithm"
 	default MAC80211_RC_DEFAULT_PID
@@ -39,11 +44,19 @@ config MAC80211_RC_DEFAULT_PID
 	  default rate control algorithm. You should choose
 	  this unless you know what you are doing.
 
+config MAC80211_RC_DEFAULT_MINSTREL
+	bool "Minstrel"
+	depends on MAC80211_RC_MINSTREL
+	---help---
+	  Select Minstrel as the default rate control algorithm.
+
+
 endchoice
 
 config MAC80211_RC_DEFAULT
 	string
 	default "pid" if MAC80211_RC_DEFAULT_PID
+	default "minstrel" if MAC80211_RC_DEFAULT_MINSTREL
 	default ""
 
 endmenu
@@ -179,19 +192,6 @@ config MAC80211_VERBOSE_MPL_DEBUG
 
 	  Do not select this option.
 
-config MAC80211_LOWTX_FRAME_DUMP
-	bool "Debug frame dumping"
-	depends on MAC80211_DEBUG_MENU
-	---help---
-	  Selecting this option will cause the stack to
-	  print a message for each frame that is handed
-	  to the lowlevel driver for transmission. This
-	  message includes all MAC addresses and the
-	  frame control field.
-
-	  If unsure, say N and insert the debugging code
-	  you require into the driver you are debugging.
-
 config MAC80211_DEBUG_COUNTERS
 	bool "Extra statistics for TX/RX debugging"
 	depends on MAC80211_DEBUG_MENU
diff --git a/net/mac80211/Makefile b/net/mac80211/Makefile
index a169b0201d6..31cfd1f89a7 100644
--- a/net/mac80211/Makefile
+++ b/net/mac80211/Makefile
@@ -7,6 +7,8 @@ mac80211-y := \
 	sta_info.o \
 	wep.o \
 	wpa.o \
+	scan.o \
+	ht.o \
 	mlme.o \
 	iface.o \
 	rate.o \
@@ -15,6 +17,7 @@ mac80211-y := \
 	aes_ccm.o \
 	cfg.o \
 	rx.o \
+	spectmgmt.o \
 	tx.o \
 	key.o \
 	util.o \
@@ -38,4 +41,8 @@ mac80211-$(CONFIG_MAC80211_MESH) += \
 rc80211_pid-y := rc80211_pid_algo.o
 rc80211_pid-$(CONFIG_MAC80211_DEBUGFS) += rc80211_pid_debugfs.o
 
+rc80211_minstrel-y := rc80211_minstrel.o
+rc80211_minstrel-$(CONFIG_MAC80211_DEBUGFS) += rc80211_minstrel_debugfs.o
+
 mac80211-$(CONFIG_MAC80211_RC_PID) += $(rc80211_pid-y)
+mac80211-$(CONFIG_MAC80211_RC_MINSTREL) += $(rc80211_minstrel-y)
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 297c257864c..855126a3039 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -17,26 +17,26 @@
 #include "rate.h"
 #include "mesh.h"
 
-static enum ieee80211_if_types
-nl80211_type_to_mac80211_type(enum nl80211_iftype type)
+struct ieee80211_hw *wiphy_to_hw(struct wiphy *wiphy)
+{
+	struct ieee80211_local *local = wiphy_priv(wiphy);
+	return &local->hw;
+}
+EXPORT_SYMBOL(wiphy_to_hw);
+
+static bool nl80211_type_check(enum nl80211_iftype type)
 {
 	switch (type) {
-	case NL80211_IFTYPE_UNSPECIFIED:
-		return IEEE80211_IF_TYPE_STA;
 	case NL80211_IFTYPE_ADHOC:
-		return IEEE80211_IF_TYPE_IBSS;
 	case NL80211_IFTYPE_STATION:
-		return IEEE80211_IF_TYPE_STA;
 	case NL80211_IFTYPE_MONITOR:
-		return IEEE80211_IF_TYPE_MNTR;
 #ifdef CONFIG_MAC80211_MESH
 	case NL80211_IFTYPE_MESH_POINT:
-		return IEEE80211_IF_TYPE_MESH_POINT;
 #endif
 	case NL80211_IFTYPE_WDS:
-		return IEEE80211_IF_TYPE_WDS;
+		return true;
 	default:
-		return IEEE80211_IF_TYPE_INVALID;
+		return false;
 	}
 }
 
@@ -45,17 +45,15 @@ static int ieee80211_add_iface(struct wiphy *wiphy, char *name,
 			       struct vif_params *params)
 {
 	struct ieee80211_local *local = wiphy_priv(wiphy);
-	enum ieee80211_if_types itype;
 	struct net_device *dev;
 	struct ieee80211_sub_if_data *sdata;
 	int err;
 
-	itype = nl80211_type_to_mac80211_type(type);
-	if (itype == IEEE80211_IF_TYPE_INVALID)
+	if (!nl80211_type_check(type))
 		return -EINVAL;
 
-	err = ieee80211_if_add(local, name, &dev, itype, params);
-	if (err || itype != IEEE80211_IF_TYPE_MNTR || !flags)
+	err = ieee80211_if_add(local, name, &dev, type, params);
+	if (err || type != NL80211_IFTYPE_MONITOR || !flags)
 		return err;
 
 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
@@ -66,13 +64,16 @@ static int ieee80211_add_iface(struct wiphy *wiphy, char *name,
 static int ieee80211_del_iface(struct wiphy *wiphy, int ifindex)
 {
 	struct net_device *dev;
+	struct ieee80211_sub_if_data *sdata;
 
 	/* we're under RTNL */
 	dev = __dev_get_by_index(&init_net, ifindex);
 	if (!dev)
 		return -ENODEV;
 
-	ieee80211_if_remove(dev);
+	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+	ieee80211_if_remove(sdata);
 
 	return 0;
 }
@@ -81,9 +82,7 @@ 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;
-	enum ieee80211_if_types itype;
 	struct ieee80211_sub_if_data *sdata;
 	int ret;
 
@@ -92,25 +91,24 @@ static int ieee80211_change_iface(struct wiphy *wiphy, int ifindex,
 	if (!dev)
 		return -ENODEV;
 
-	itype = nl80211_type_to_mac80211_type(type);
-	if (itype == IEEE80211_IF_TYPE_INVALID)
+	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, itype);
+	ret = ieee80211_if_change_type(sdata, type);
 	if (ret)
 		return ret;
 
+	if (netif_running(sdata->dev))
+		return -EBUSY;
+
 	if (ieee80211_vif_is_mesh(&sdata->vif) && params->mesh_id_len)
-		ieee80211_if_sta_set_mesh_id(&sdata->u.sta,
-					     params->mesh_id_len,
-					     params->mesh_id);
+		ieee80211_sdata_set_mesh_id(sdata,
+					    params->mesh_id_len,
+					    params->mesh_id);
 
-	if (sdata->vif.type != IEEE80211_IF_TYPE_MNTR || !flags)
+	if (sdata->vif.type != NL80211_IFTYPE_MONITOR || !flags)
 		return 0;
 
 	sdata->u.mntr_flags = *flags;
@@ -121,16 +119,12 @@ 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) {
@@ -175,14 +169,10 @@ 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();
@@ -223,7 +213,6 @@ 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};
@@ -233,9 +222,6 @@ 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();
@@ -311,12 +297,8 @@ 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);
@@ -365,7 +347,7 @@ static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
 	sta = sta_info_get_by_idx(local, idx, dev);
 	if (sta) {
 		ret = 0;
-		memcpy(mac, sta->addr, ETH_ALEN);
+		memcpy(mac, sta->sta.addr, ETH_ALEN);
 		sta_set_sinfo(sta, sinfo);
 	}
 
@@ -497,16 +479,12 @@ 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 != IEEE80211_IF_TYPE_AP)
+	if (sdata->vif.type != NL80211_IFTYPE_AP)
 		return -EINVAL;
 
 	old = sdata->u.ap.beacon;
@@ -520,16 +498,12 @@ 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 != IEEE80211_IF_TYPE_AP)
+	if (sdata->vif.type != NL80211_IFTYPE_AP)
 		return -EINVAL;
 
 	old = sdata->u.ap.beacon;
@@ -542,16 +516,12 @@ 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 != IEEE80211_IF_TYPE_AP)
+	if (sdata->vif.type != NL80211_IFTYPE_AP)
 		return -EINVAL;
 
 	old = sdata->u.ap.beacon;
@@ -594,7 +564,7 @@ static void ieee80211_send_layer2_update(struct sta_info *sta)
 	 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
 
 	memset(msg->da, 0xff, ETH_ALEN);
-	memcpy(msg->sa, sta->addr, ETH_ALEN);
+	memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
 	msg->len = htons(6);
 	msg->dsap = 0;
 	msg->ssap = 0x01;	/* NULL LSAP, CR Bit: Response */
@@ -649,9 +619,9 @@ static void sta_apply_parameters(struct ieee80211_local *local,
 	 */
 
 	if (params->aid) {
-		sta->aid = params->aid;
-		if (sta->aid > IEEE80211_MAX_AID)
-			sta->aid = 0; /* XXX: should this be an error? */
+		sta->sta.aid = params->aid;
+		if (sta->sta.aid > IEEE80211_MAX_AID)
+			sta->sta.aid = 0; /* XXX: should this be an error? */
 	}
 
 	if (params->listen_interval >= 0)
@@ -668,7 +638,12 @@ static void sta_apply_parameters(struct ieee80211_local *local,
 					rates |= BIT(j);
 			}
 		}
-		sta->supp_rates[local->oper_channel->band] = rates;
+		sta->sta.supp_rates[local->oper_channel->band] = rates;
+	}
+
+	if (params->ht_capa) {
+		ieee80211_ht_cap_ie_to_ht_info(params->ht_capa,
+					       &sta->sta.ht_info);
 	}
 
 	if (ieee80211_vif_is_mesh(&sdata->vif) && params->plink_action) {
@@ -691,9 +666,6 @@ 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;
@@ -701,8 +673,8 @@ static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
 	if (params->vlan) {
 		sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
 
-		if (sdata->vif.type != IEEE80211_IF_TYPE_VLAN &&
-		    sdata->vif.type != IEEE80211_IF_TYPE_AP)
+		if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
+		    sdata->vif.type != NL80211_IFTYPE_AP)
 			return -EINVAL;
 	} else
 		sdata = IEEE80211_DEV_TO_SUB_IF(dev);
@@ -721,7 +693,7 @@ static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
 
 	sta_apply_parameters(local, sta, params);
 
-	rate_control_rate_init(sta, local);
+	rate_control_rate_init(sta);
 
 	rcu_read_lock();
 
@@ -732,8 +704,8 @@ static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
 		return err;
 	}
 
-	if (sdata->vif.type == IEEE80211_IF_TYPE_VLAN ||
-	    sdata->vif.type == IEEE80211_IF_TYPE_AP)
+	if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
+	    sdata->vif.type == NL80211_IFTYPE_AP)
 		ieee80211_send_layer2_update(sta);
 
 	rcu_read_unlock();
@@ -748,9 +720,6 @@ 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) {
@@ -782,9 +751,6 @@ 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 */
@@ -797,8 +763,8 @@ static int ieee80211_change_station(struct wiphy *wiphy,
 	if (params->vlan && params->vlan != sta->sdata->dev) {
 		vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
 
-		if (vlansdata->vif.type != IEEE80211_IF_TYPE_VLAN &&
-		    vlansdata->vif.type != IEEE80211_IF_TYPE_AP) {
+		if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
+		    vlansdata->vif.type != NL80211_IFTYPE_AP) {
 			rcu_read_unlock();
 			return -EINVAL;
 		}
@@ -824,15 +790,12 @@ 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;
 
 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 
-	if (sdata->vif.type != IEEE80211_IF_TYPE_MESH_POINT)
+	if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
 		return -ENOTSUPP;
 
 	rcu_read_lock();
@@ -842,13 +805,13 @@ static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
 		return -ENOENT;
 	}
 
-	err = mesh_path_add(dst, dev);
+	err = mesh_path_add(dst, sdata);
 	if (err) {
 		rcu_read_unlock();
 		return err;
 	}
 
-	mpath = mesh_path_lookup(dst, dev);
+	mpath = mesh_path_lookup(dst, sdata);
 	if (!mpath) {
 		rcu_read_unlock();
 		return -ENXIO;
@@ -862,10 +825,12 @@ static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
 				 u8 *dst)
 {
+	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
 	if (dst)
-		return mesh_path_del(dst, dev);
+		return mesh_path_del(dst, sdata);
 
-	mesh_path_flush(dev);
+	mesh_path_flush(sdata);
 	return 0;
 }
 
@@ -878,15 +843,12 @@ 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;
 
 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 
-	if (sdata->vif.type != IEEE80211_IF_TYPE_MESH_POINT)
+	if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
 		return -ENOTSUPP;
 
 	rcu_read_lock();
@@ -897,7 +859,7 @@ static int ieee80211_change_mpath(struct wiphy *wiphy,
 		return -ENOENT;
 	}
 
-	mpath = mesh_path_lookup(dst, dev);
+	mpath = mesh_path_lookup(dst, sdata);
 	if (!mpath) {
 		rcu_read_unlock();
 		return -ENOENT;
@@ -913,7 +875,7 @@ static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
 			    struct mpath_info *pinfo)
 {
 	if (mpath->next_hop)
-		memcpy(next_hop, mpath->next_hop->addr, ETH_ALEN);
+		memcpy(next_hop, mpath->next_hop->sta.addr, ETH_ALEN);
 	else
 		memset(next_hop, 0, ETH_ALEN);
 
@@ -952,20 +914,16 @@ 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 != IEEE80211_IF_TYPE_MESH_POINT)
+	if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
 		return -ENOTSUPP;
 
 	rcu_read_lock();
-	mpath = mesh_path_lookup(dst, dev);
+	mpath = mesh_path_lookup(dst, sdata);
 	if (!mpath) {
 		rcu_read_unlock();
 		return -ENOENT;
@@ -980,20 +938,16 @@ 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 != IEEE80211_IF_TYPE_MESH_POINT)
+	if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
 		return -ENOTSUPP;
 
 	rcu_read_lock();
-	mpath = mesh_path_lookup_by_idx(idx, dev);
+	mpath = mesh_path_lookup_by_idx(idx, sdata);
 	if (!mpath) {
 		rcu_read_unlock();
 		return -ENOENT;
@@ -1005,6 +959,38 @@ static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
 }
 #endif
 
+static int ieee80211_change_bss(struct wiphy *wiphy,
+				struct net_device *dev,
+				struct bss_parameters *params)
+{
+	struct ieee80211_sub_if_data *sdata;
+	u32 changed = 0;
+
+	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+	if (sdata->vif.type != NL80211_IFTYPE_AP)
+		return -EINVAL;
+
+	if (params->use_cts_prot >= 0) {
+		sdata->bss_conf.use_cts_prot = params->use_cts_prot;
+		changed |= BSS_CHANGED_ERP_CTS_PROT;
+	}
+	if (params->use_short_preamble >= 0) {
+		sdata->bss_conf.use_short_preamble =
+			params->use_short_preamble;
+		changed |= BSS_CHANGED_ERP_PREAMBLE;
+	}
+	if (params->use_short_slot_time >= 0) {
+		sdata->bss_conf.use_short_slot =
+			params->use_short_slot_time;
+		changed |= BSS_CHANGED_ERP_SLOT;
+	}
+
+	ieee80211_bss_info_change_notify(sdata, changed);
+
+	return 0;
+}
+
 struct cfg80211_ops mac80211_config_ops = {
 	.add_virtual_intf = ieee80211_add_iface,
 	.del_virtual_intf = ieee80211_del_iface,
@@ -1028,4 +1014,5 @@ struct cfg80211_ops mac80211_config_ops = {
 	.get_mpath = ieee80211_get_mpath,
 	.dump_mpath = ieee80211_dump_mpath,
 #endif
+	.change_bss = ieee80211_change_bss,
 };
diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c
index ee509f1109e..24ce5446331 100644
--- a/net/mac80211/debugfs.c
+++ b/net/mac80211/debugfs.c
@@ -51,8 +51,6 @@ DEBUGFS_READONLY_FILE(antenna_sel_tx, 20, "%d",
 		      local->hw.conf.antenna_sel_tx);
 DEBUGFS_READONLY_FILE(antenna_sel_rx, 20, "%d",
 		      local->hw.conf.antenna_sel_rx);
-DEBUGFS_READONLY_FILE(bridge_packets, 20, "%d",
-		      local->bridge_packets);
 DEBUGFS_READONLY_FILE(rts_threshold, 20, "%d",
 		      local->rts_threshold);
 DEBUGFS_READONLY_FILE(fragmentation_threshold, 20, "%d",
@@ -206,7 +204,6 @@ void debugfs_hw_add(struct ieee80211_local *local)
 	DEBUGFS_ADD(frequency);
 	DEBUGFS_ADD(antenna_sel_tx);
 	DEBUGFS_ADD(antenna_sel_rx);
-	DEBUGFS_ADD(bridge_packets);
 	DEBUGFS_ADD(rts_threshold);
 	DEBUGFS_ADD(fragmentation_threshold);
 	DEBUGFS_ADD(short_retry_limit);
@@ -263,7 +260,6 @@ void debugfs_hw_del(struct ieee80211_local *local)
 	DEBUGFS_DEL(frequency);
 	DEBUGFS_DEL(antenna_sel_tx);
 	DEBUGFS_DEL(antenna_sel_rx);
-	DEBUGFS_DEL(bridge_packets);
 	DEBUGFS_DEL(rts_threshold);
 	DEBUGFS_DEL(fragmentation_threshold);
 	DEBUGFS_DEL(short_retry_limit);
diff --git a/net/mac80211/debugfs_key.c b/net/mac80211/debugfs_key.c
index 7439b63df5d..a3294d10932 100644
--- a/net/mac80211/debugfs_key.c
+++ b/net/mac80211/debugfs_key.c
@@ -206,7 +206,8 @@ void ieee80211_debugfs_key_add(struct ieee80211_key *key)
 	rcu_read_lock();
 	sta = rcu_dereference(key->sta);
 	if (sta)
-		sprintf(buf, "../../stations/%s", print_mac(mac, sta->addr));
+		sprintf(buf, "../../stations/%s",
+			print_mac(mac, sta->sta.addr));
 	rcu_read_unlock();
 
 	/* using sta as a boolean is fine outside RCU lock */
@@ -265,7 +266,7 @@ void ieee80211_debugfs_key_add_default(struct ieee80211_sub_if_data *sdata)
 	key = sdata->default_key;
 	if (key) {
 		sprintf(buf, "../keys/%d", key->debugfs.cnt);
-		sdata->debugfs.default_key =
+		sdata->common_debugfs.default_key =
 			debugfs_create_symlink("default_key",
 					       sdata->debugfsdir, buf);
 	} else
@@ -277,8 +278,8 @@ void ieee80211_debugfs_key_remove_default(struct ieee80211_sub_if_data *sdata)
 	if (!sdata)
 		return;
 
-	debugfs_remove(sdata->debugfs.default_key);
-	sdata->debugfs.default_key = NULL;
+	debugfs_remove(sdata->common_debugfs.default_key);
+	sdata->common_debugfs.default_key = NULL;
 }
 
 void ieee80211_debugfs_key_sta_del(struct ieee80211_key *key,
diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c
index 8165df578c9..2a451562377 100644
--- a/net/mac80211/debugfs_netdev.c
+++ b/net/mac80211/debugfs_netdev.c
@@ -173,7 +173,6 @@ IEEE80211_IF_FILE(assoc_tries, u.sta.assoc_tries, DEC);
 IEEE80211_IF_FILE(auth_algs, u.sta.auth_algs, HEX);
 IEEE80211_IF_FILE(auth_alg, u.sta.auth_alg, DEC);
 IEEE80211_IF_FILE(auth_transaction, u.sta.auth_transaction, DEC);
-IEEE80211_IF_FILE(num_beacons_sta, u.sta.num_beacons, DEC);
 
 static ssize_t ieee80211_if_fmt_flags(
 	const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
@@ -192,7 +191,6 @@ __IEEE80211_IF_FILE(flags);
 /* AP attributes */
 IEEE80211_IF_FILE(num_sta_ps, u.ap.num_sta_ps, ATOMIC);
 IEEE80211_IF_FILE(dtim_count, u.ap.dtim_count, DEC);
-IEEE80211_IF_FILE(num_beacons, u.ap.num_beacons, DEC);
 
 static ssize_t ieee80211_if_fmt_num_buffered_multicast(
 	const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
@@ -207,37 +205,37 @@ IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC);
 
 #ifdef CONFIG_MAC80211_MESH
 /* Mesh stats attributes */
-IEEE80211_IF_FILE(fwded_frames, u.sta.mshstats.fwded_frames, DEC);
-IEEE80211_IF_FILE(dropped_frames_ttl, u.sta.mshstats.dropped_frames_ttl, DEC);
+IEEE80211_IF_FILE(fwded_frames, u.mesh.mshstats.fwded_frames, DEC);
+IEEE80211_IF_FILE(dropped_frames_ttl, u.mesh.mshstats.dropped_frames_ttl, DEC);
 IEEE80211_IF_FILE(dropped_frames_no_route,
-		u.sta.mshstats.dropped_frames_no_route, DEC);
-IEEE80211_IF_FILE(estab_plinks, u.sta.mshstats.estab_plinks, ATOMIC);
+		u.mesh.mshstats.dropped_frames_no_route, DEC);
+IEEE80211_IF_FILE(estab_plinks, u.mesh.mshstats.estab_plinks, ATOMIC);
 
 /* Mesh parameters */
 IEEE80211_IF_WFILE(dot11MeshMaxRetries,
-		u.sta.mshcfg.dot11MeshMaxRetries, DEC, u8);
+		u.mesh.mshcfg.dot11MeshMaxRetries, DEC, u8);
 IEEE80211_IF_WFILE(dot11MeshRetryTimeout,
-		u.sta.mshcfg.dot11MeshRetryTimeout, DEC, u16);
+		u.mesh.mshcfg.dot11MeshRetryTimeout, DEC, u16);
 IEEE80211_IF_WFILE(dot11MeshConfirmTimeout,
-		u.sta.mshcfg.dot11MeshConfirmTimeout, DEC, u16);
+		u.mesh.mshcfg.dot11MeshConfirmTimeout, DEC, u16);
 IEEE80211_IF_WFILE(dot11MeshHoldingTimeout,
-		u.sta.mshcfg.dot11MeshHoldingTimeout, DEC, u16);
-IEEE80211_IF_WFILE(dot11MeshTTL, u.sta.mshcfg.dot11MeshTTL, DEC, u8);
-IEEE80211_IF_WFILE(auto_open_plinks, u.sta.mshcfg.auto_open_plinks, DEC, u8);
+		u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC, u16);
+IEEE80211_IF_WFILE(dot11MeshTTL, u.mesh.mshcfg.dot11MeshTTL, DEC, u8);
+IEEE80211_IF_WFILE(auto_open_plinks, u.mesh.mshcfg.auto_open_plinks, DEC, u8);
 IEEE80211_IF_WFILE(dot11MeshMaxPeerLinks,
-		u.sta.mshcfg.dot11MeshMaxPeerLinks, DEC, u16);
+		u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC, u16);
 IEEE80211_IF_WFILE(dot11MeshHWMPactivePathTimeout,
-		u.sta.mshcfg.dot11MeshHWMPactivePathTimeout, DEC, u32);
+		u.mesh.mshcfg.dot11MeshHWMPactivePathTimeout, DEC, u32);
 IEEE80211_IF_WFILE(dot11MeshHWMPpreqMinInterval,
-		u.sta.mshcfg.dot11MeshHWMPpreqMinInterval, DEC, u16);
+		u.mesh.mshcfg.dot11MeshHWMPpreqMinInterval, DEC, u16);
 IEEE80211_IF_WFILE(dot11MeshHWMPnetDiameterTraversalTime,
-		u.sta.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC, u16);
+		u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC, u16);
 IEEE80211_IF_WFILE(dot11MeshHWMPmaxPREQretries,
-		u.sta.mshcfg.dot11MeshHWMPmaxPREQretries, DEC, u8);
+		u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries, DEC, u8);
 IEEE80211_IF_WFILE(path_refresh_time,
-		u.sta.mshcfg.path_refresh_time, DEC, u32);
+		u.mesh.mshcfg.path_refresh_time, DEC, u32);
 IEEE80211_IF_WFILE(min_discovery_timeout,
-		u.sta.mshcfg.min_discovery_timeout, DEC, u16);
+		u.mesh.mshcfg.min_discovery_timeout, DEC, u16);
 #endif
 
 
@@ -265,7 +263,6 @@ static void add_sta_files(struct ieee80211_sub_if_data *sdata)
 	DEBUGFS_ADD(auth_alg, sta);
 	DEBUGFS_ADD(auth_transaction, sta);
 	DEBUGFS_ADD(flags, sta);
-	DEBUGFS_ADD(num_beacons_sta, sta);
 }
 
 static void add_ap_files(struct ieee80211_sub_if_data *sdata)
@@ -276,7 +273,6 @@ static void add_ap_files(struct ieee80211_sub_if_data *sdata)
 
 	DEBUGFS_ADD(num_sta_ps, ap);
 	DEBUGFS_ADD(dtim_count, ap);
-	DEBUGFS_ADD(num_beacons, ap);
 	DEBUGFS_ADD(num_buffered_multicast, ap);
 }
 
@@ -345,26 +341,26 @@ static void add_files(struct ieee80211_sub_if_data *sdata)
 		return;
 
 	switch (sdata->vif.type) {
-	case IEEE80211_IF_TYPE_MESH_POINT:
+	case NL80211_IFTYPE_MESH_POINT:
 #ifdef CONFIG_MAC80211_MESH
 		add_mesh_stats(sdata);
 		add_mesh_config(sdata);
 #endif
-		/* fall through */
-	case IEEE80211_IF_TYPE_STA:
-	case IEEE80211_IF_TYPE_IBSS:
+		break;
+	case NL80211_IFTYPE_STATION:
+	case NL80211_IFTYPE_ADHOC:
 		add_sta_files(sdata);
 		break;
-	case IEEE80211_IF_TYPE_AP:
+	case NL80211_IFTYPE_AP:
 		add_ap_files(sdata);
 		break;
-	case IEEE80211_IF_TYPE_WDS:
+	case NL80211_IFTYPE_WDS:
 		add_wds_files(sdata);
 		break;
-	case IEEE80211_IF_TYPE_MNTR:
+	case NL80211_IFTYPE_MONITOR:
 		add_monitor_files(sdata);
 		break;
-	case IEEE80211_IF_TYPE_VLAN:
+	case NL80211_IFTYPE_AP_VLAN:
 		add_vlan_files(sdata);
 		break;
 	default:
@@ -398,7 +394,6 @@ static void del_sta_files(struct ieee80211_sub_if_data *sdata)
 	DEBUGFS_DEL(auth_alg, sta);
 	DEBUGFS_DEL(auth_transaction, sta);
 	DEBUGFS_DEL(flags, sta);
-	DEBUGFS_DEL(num_beacons_sta, sta);
 }
 
 static void del_ap_files(struct ieee80211_sub_if_data *sdata)
@@ -409,7 +404,6 @@ static void del_ap_files(struct ieee80211_sub_if_data *sdata)
 
 	DEBUGFS_DEL(num_sta_ps, ap);
 	DEBUGFS_DEL(dtim_count, ap);
-	DEBUGFS_DEL(num_beacons, ap);
 	DEBUGFS_DEL(num_buffered_multicast, ap);
 }
 
@@ -482,26 +476,26 @@ static void del_files(struct ieee80211_sub_if_data *sdata)
 		return;
 
 	switch (sdata->vif.type) {
-	case IEEE80211_IF_TYPE_MESH_POINT:
+	case NL80211_IFTYPE_MESH_POINT:
 #ifdef CONFIG_MAC80211_MESH
 		del_mesh_stats(sdata);
 		del_mesh_config(sdata);
 #endif
-		/* fall through */
-	case IEEE80211_IF_TYPE_STA:
-	case IEEE80211_IF_TYPE_IBSS:
+		break;
+	case NL80211_IFTYPE_STATION:
+	case NL80211_IFTYPE_ADHOC:
 		del_sta_files(sdata);
 		break;
-	case IEEE80211_IF_TYPE_AP:
+	case NL80211_IFTYPE_AP:
 		del_ap_files(sdata);
 		break;
-	case IEEE80211_IF_TYPE_WDS:
+	case NL80211_IFTYPE_WDS:
 		del_wds_files(sdata);
 		break;
-	case IEEE80211_IF_TYPE_MNTR:
+	case NL80211_IFTYPE_MONITOR:
 		del_monitor_files(sdata);
 		break;
-	case IEEE80211_IF_TYPE_VLAN:
+	case NL80211_IFTYPE_AP_VLAN:
 		del_vlan_files(sdata);
 		break;
 	default:
diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c
index 79a062782d5..b9902e425f0 100644
--- a/net/mac80211/debugfs_sta.c
+++ b/net/mac80211/debugfs_sta.c
@@ -50,7 +50,7 @@ static const struct file_operations sta_ ##name## _ops = {		\
 		STA_READ_##format(name, field)				\
 		STA_OPS(name)
 
-STA_FILE(aid, aid, D);
+STA_FILE(aid, sta.aid, D);
 STA_FILE(dev, sdata->dev->name, S);
 STA_FILE(rx_packets, rx_packets, LU);
 STA_FILE(tx_packets, tx_packets, LU);
@@ -173,10 +173,9 @@ 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->addr;
+	u8 *da = sta->sta.addr;
 	static int tid_static_tx[16] = {0, 0, 0, 0, 0, 0, 0, 0,
 					0, 0, 0, 0, 0, 0, 0, 0};
 	static int tid_static_rx[16] = {1, 1, 1, 1, 1, 1, 1, 1,
@@ -201,7 +200,7 @@ static ssize_t sta_agg_status_write(struct file *file,
 		tid_num = tid_num - 100;
 		if (tid_static_rx[tid_num] == 1) {
 			strcpy(state, "off ");
-			ieee80211_sta_stop_rx_ba_session(dev, da, tid_num, 0,
+			ieee80211_sta_stop_rx_ba_session(sta->sdata, da, tid_num, 0,
 					WLAN_REASON_QSTA_REQUIRE_SETUP);
 			sta->ampdu_mlme.tid_state_rx[tid_num] |=
 					HT_AGG_STATE_DEBUGFS_CTL;
@@ -253,7 +252,7 @@ void ieee80211_sta_debugfs_add(struct sta_info *sta)
 	if (!stations_dir)
 		return;
 
-	mac = print_mac(mbuf, sta->addr);
+	mac = print_mac(mbuf, sta->sta.addr);
 
 	sta->debugfs.dir = debugfs_create_dir(mac, stations_dir);
 	if (!sta->debugfs.dir)
diff --git a/net/mac80211/event.c b/net/mac80211/event.c
index 2280f40b456..8de60de70bc 100644
--- a/net/mac80211/event.c
+++ b/net/mac80211/event.c
@@ -8,7 +8,6 @@
  * mac80211 - events
  */
 
-#include <linux/netdevice.h>
 #include <net/iw_handler.h>
 #include "ieee80211_i.h"
 
@@ -17,7 +16,7 @@
  * (in the variable hdr) must be long enough to extract the TKIP
  * fields like TSC
  */
-void mac80211_ev_michael_mic_failure(struct net_device *dev, int keyidx,
+void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int keyidx,
 				     struct ieee80211_hdr *hdr)
 {
 	union iwreq_data wrqu;
@@ -32,7 +31,7 @@ void mac80211_ev_michael_mic_failure(struct net_device *dev, int keyidx,
 			print_mac(mac, hdr->addr2));
 		memset(&wrqu, 0, sizeof(wrqu));
 		wrqu.data.length = strlen(buf);
-		wireless_send_event(dev, IWEVCUSTOM, &wrqu, buf);
+		wireless_send_event(sdata->dev, IWEVCUSTOM, &wrqu, buf);
 		kfree(buf);
 	}
 
diff --git a/net/mac80211/ht.c b/net/mac80211/ht.c
new file mode 100644
index 00000000000..dc7d9a3d70d
--- /dev/null
+++ b/net/mac80211/ht.c
@@ -0,0 +1,992 @@
+/*
+ * HT handling
+ *
+ * Copyright 2003, Jouni Malinen <jkmaline@cc.hut.fi>
+ * Copyright 2002-2005, Instant802 Networks, Inc.
+ * Copyright 2005-2006, Devicescape Software, Inc.
+ * Copyright 2006-2007	Jiri Benc <jbenc@suse.cz>
+ * Copyright 2007, Michael Wu <flamingice@sourmilk.net>
+ * Copyright 2007-2008, Intel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/ieee80211.h>
+#include <net/wireless.h>
+#include <net/mac80211.h>
+#include "ieee80211_i.h"
+#include "sta_info.h"
+#include "wme.h"
+
+int ieee80211_ht_cap_ie_to_ht_info(struct ieee80211_ht_cap *ht_cap_ie,
+				   struct ieee80211_ht_info *ht_info)
+{
+
+	if (ht_info == NULL)
+		return -EINVAL;
+
+	memset(ht_info, 0, sizeof(*ht_info));
+
+	if (ht_cap_ie) {
+		u8 ampdu_info = ht_cap_ie->ampdu_params_info;
+
+		ht_info->ht_supported = 1;
+		ht_info->cap = le16_to_cpu(ht_cap_ie->cap_info);
+		ht_info->ampdu_factor =
+			ampdu_info & IEEE80211_HT_CAP_AMPDU_FACTOR;
+		ht_info->ampdu_density =
+			(ampdu_info & IEEE80211_HT_CAP_AMPDU_DENSITY) >> 2;
+		memcpy(ht_info->supp_mcs_set, ht_cap_ie->supp_mcs_set, 16);
+	} else
+		ht_info->ht_supported = 0;
+
+	return 0;
+}
+
+int ieee80211_ht_addt_info_ie_to_ht_bss_info(
+			struct ieee80211_ht_addt_info *ht_add_info_ie,
+			struct ieee80211_ht_bss_info *bss_info)
+{
+	if (bss_info == NULL)
+		return -EINVAL;
+
+	memset(bss_info, 0, sizeof(*bss_info));
+
+	if (ht_add_info_ie) {
+		u16 op_mode;
+		op_mode = le16_to_cpu(ht_add_info_ie->operation_mode);
+
+		bss_info->primary_channel = ht_add_info_ie->control_chan;
+		bss_info->bss_cap = ht_add_info_ie->ht_param;
+		bss_info->bss_op_mode = (u8)(op_mode & 0xff);
+	}
+
+	return 0;
+}
+
+static void ieee80211_send_addba_request(struct ieee80211_sub_if_data *sdata,
+					 const u8 *da, u16 tid,
+					 u8 dialog_token, u16 start_seq_num,
+					 u16 agg_size, u16 timeout)
+{
+	struct ieee80211_local *local = sdata->local;
+	struct ieee80211_if_sta *ifsta = &sdata->u.sta;
+	struct sk_buff *skb;
+	struct ieee80211_mgmt *mgmt;
+	u16 capab;
+
+	skb = dev_alloc_skb(sizeof(*mgmt) + local->hw.extra_tx_headroom);
+
+	if (!skb) {
+		printk(KERN_ERR "%s: failed to allocate buffer "
+				"for addba request frame\n", sdata->dev->name);
+		return;
+	}
+	skb_reserve(skb, local->hw.extra_tx_headroom);
+	mgmt = (struct ieee80211_mgmt *) skb_put(skb, 24);
+	memset(mgmt, 0, 24);
+	memcpy(mgmt->da, da, ETH_ALEN);
+	memcpy(mgmt->sa, sdata->dev->dev_addr, ETH_ALEN);
+	if (sdata->vif.type == NL80211_IFTYPE_AP)
+		memcpy(mgmt->bssid, sdata->dev->dev_addr, ETH_ALEN);
+	else
+		memcpy(mgmt->bssid, ifsta->bssid, ETH_ALEN);
+
+	mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
+					  IEEE80211_STYPE_ACTION);
+
+	skb_put(skb, 1 + sizeof(mgmt->u.action.u.addba_req));
+
+	mgmt->u.action.category = WLAN_CATEGORY_BACK;
+	mgmt->u.action.u.addba_req.action_code = WLAN_ACTION_ADDBA_REQ;
+
+	mgmt->u.action.u.addba_req.dialog_token = dialog_token;
+	capab = (u16)(1 << 1);		/* bit 1 aggregation policy */
+	capab |= (u16)(tid << 2); 	/* bit 5:2 TID number */
+	capab |= (u16)(agg_size << 6);	/* bit 15:6 max size of aggergation */
+
+	mgmt->u.action.u.addba_req.capab = cpu_to_le16(capab);
+
+	mgmt->u.action.u.addba_req.timeout = cpu_to_le16(timeout);
+	mgmt->u.action.u.addba_req.start_seq_num =
+					cpu_to_le16(start_seq_num << 4);
+
+	ieee80211_tx_skb(sdata, skb, 0);
+}
+
+static void ieee80211_send_addba_resp(struct ieee80211_sub_if_data *sdata, u8 *da, u16 tid,
+				      u8 dialog_token, u16 status, u16 policy,
+				      u16 buf_size, u16 timeout)
+{
+	struct ieee80211_if_sta *ifsta = &sdata->u.sta;
+	struct ieee80211_local *local = sdata->local;
+	struct sk_buff *skb;
+	struct ieee80211_mgmt *mgmt;
+	u16 capab;
+
+	skb = dev_alloc_skb(sizeof(*mgmt) + local->hw.extra_tx_headroom);
+
+	if (!skb) {
+		printk(KERN_DEBUG "%s: failed to allocate buffer "
+		       "for addba resp frame\n", sdata->dev->name);
+		return;
+	}
+
+	skb_reserve(skb, local->hw.extra_tx_headroom);
+	mgmt = (struct ieee80211_mgmt *) skb_put(skb, 24);
+	memset(mgmt, 0, 24);
+	memcpy(mgmt->da, da, ETH_ALEN);
+	memcpy(mgmt->sa, sdata->dev->dev_addr, ETH_ALEN);
+	if (sdata->vif.type == NL80211_IFTYPE_AP)
+		memcpy(mgmt->bssid, sdata->dev->dev_addr, ETH_ALEN);
+	else
+		memcpy(mgmt->bssid, ifsta->bssid, ETH_ALEN);
+	mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
+					  IEEE80211_STYPE_ACTION);
+
+	skb_put(skb, 1 + sizeof(mgmt->u.action.u.addba_resp));
+	mgmt->u.action.category = WLAN_CATEGORY_BACK;
+	mgmt->u.action.u.addba_resp.action_code = WLAN_ACTION_ADDBA_RESP;
+	mgmt->u.action.u.addba_resp.dialog_token = dialog_token;
+
+	capab = (u16)(policy << 1);	/* bit 1 aggregation policy */
+	capab |= (u16)(tid << 2); 	/* bit 5:2 TID number */
+	capab |= (u16)(buf_size << 6);	/* bit 15:6 max size of aggregation */
+
+	mgmt->u.action.u.addba_resp.capab = cpu_to_le16(capab);
+	mgmt->u.action.u.addba_resp.timeout = cpu_to_le16(timeout);
+	mgmt->u.action.u.addba_resp.status = cpu_to_le16(status);
+
+	ieee80211_tx_skb(sdata, skb, 0);
+}
+
+static void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata,
+				 const u8 *da, u16 tid,
+				 u16 initiator, u16 reason_code)
+{
+	struct ieee80211_local *local = sdata->local;
+	struct ieee80211_if_sta *ifsta = &sdata->u.sta;
+	struct sk_buff *skb;
+	struct ieee80211_mgmt *mgmt;
+	u16 params;
+
+	skb = dev_alloc_skb(sizeof(*mgmt) + local->hw.extra_tx_headroom);
+
+	if (!skb) {
+		printk(KERN_ERR "%s: failed to allocate buffer "
+					"for delba frame\n", sdata->dev->name);
+		return;
+	}
+
+	skb_reserve(skb, local->hw.extra_tx_headroom);
+	mgmt = (struct ieee80211_mgmt *) skb_put(skb, 24);
+	memset(mgmt, 0, 24);
+	memcpy(mgmt->da, da, ETH_ALEN);
+	memcpy(mgmt->sa, sdata->dev->dev_addr, ETH_ALEN);
+	if (sdata->vif.type == NL80211_IFTYPE_AP)
+		memcpy(mgmt->bssid, sdata->dev->dev_addr, ETH_ALEN);
+	else
+		memcpy(mgmt->bssid, ifsta->bssid, ETH_ALEN);
+	mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
+					  IEEE80211_STYPE_ACTION);
+
+	skb_put(skb, 1 + sizeof(mgmt->u.action.u.delba));
+
+	mgmt->u.action.category = WLAN_CATEGORY_BACK;
+	mgmt->u.action.u.delba.action_code = WLAN_ACTION_DELBA;
+	params = (u16)(initiator << 11); 	/* bit 11 initiator */
+	params |= (u16)(tid << 12); 		/* bit 15:12 TID number */
+
+	mgmt->u.action.u.delba.params = cpu_to_le16(params);
+	mgmt->u.action.u.delba.reason_code = cpu_to_le16(reason_code);
+
+	ieee80211_tx_skb(sdata, skb, 0);
+}
+
+void ieee80211_send_bar(struct ieee80211_sub_if_data *sdata, u8 *ra, u16 tid, u16 ssn)
+{
+	struct ieee80211_local *local = sdata->local;
+	struct sk_buff *skb;
+	struct ieee80211_bar *bar;
+	u16 bar_control = 0;
+
+	skb = dev_alloc_skb(sizeof(*bar) + local->hw.extra_tx_headroom);
+	if (!skb) {
+		printk(KERN_ERR "%s: failed to allocate buffer for "
+			"bar frame\n", sdata->dev->name);
+		return;
+	}
+	skb_reserve(skb, local->hw.extra_tx_headroom);
+	bar = (struct ieee80211_bar *)skb_put(skb, sizeof(*bar));
+	memset(bar, 0, sizeof(*bar));
+	bar->frame_control = cpu_to_le16(IEEE80211_FTYPE_CTL |
+					 IEEE80211_STYPE_BACK_REQ);
+	memcpy(bar->ra, ra, ETH_ALEN);
+	memcpy(bar->ta, sdata->dev->dev_addr, ETH_ALEN);
+	bar_control |= (u16)IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL;
+	bar_control |= (u16)IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA;
+	bar_control |= (u16)(tid << 12);
+	bar->control = cpu_to_le16(bar_control);
+	bar->start_seq_num = cpu_to_le16(ssn);
+
+	ieee80211_tx_skb(sdata, skb, 0);
+}
+
+void ieee80211_sta_stop_rx_ba_session(struct ieee80211_sub_if_data *sdata, u8 *ra, u16 tid,
+					u16 initiator, u16 reason)
+{
+	struct ieee80211_local *local = sdata->local;
+	struct ieee80211_hw *hw = &local->hw;
+	struct sta_info *sta;
+	int ret, i;
+	DECLARE_MAC_BUF(mac);
+
+	rcu_read_lock();
+
+	sta = sta_info_get(local, ra);
+	if (!sta) {
+		rcu_read_unlock();
+		return;
+	}
+
+	/* check if TID is in operational state */
+	spin_lock_bh(&sta->lock);
+	if (sta->ampdu_mlme.tid_state_rx[tid]
+				!= HT_AGG_STATE_OPERATIONAL) {
+		spin_unlock_bh(&sta->lock);
+		rcu_read_unlock();
+		return;
+	}
+	sta->ampdu_mlme.tid_state_rx[tid] =
+		HT_AGG_STATE_REQ_STOP_BA_MSK |
+		(initiator << HT_AGG_STATE_INITIATOR_SHIFT);
+	spin_unlock_bh(&sta->lock);
+
+	/* stop HW Rx aggregation. ampdu_action existence
+	 * already verified in session init so we add the BUG_ON */
+	BUG_ON(!local->ops->ampdu_action);
+
+#ifdef CONFIG_MAC80211_HT_DEBUG
+	printk(KERN_DEBUG "Rx BA session stop requested for %s tid %u\n",
+				print_mac(mac, ra), tid);
+#endif /* CONFIG_MAC80211_HT_DEBUG */
+
+	ret = local->ops->ampdu_action(hw, IEEE80211_AMPDU_RX_STOP,
+				       &sta->sta, tid, NULL);
+	if (ret)
+		printk(KERN_DEBUG "HW problem - can not stop rx "
+				"aggregation for tid %d\n", tid);
+
+	/* shutdown timer has not expired */
+	if (initiator != WLAN_BACK_TIMER)
+		del_timer_sync(&sta->ampdu_mlme.tid_rx[tid]->session_timer);
+
+	/* check if this is a self generated aggregation halt */
+	if (initiator == WLAN_BACK_RECIPIENT || initiator == WLAN_BACK_TIMER)
+		ieee80211_send_delba(sdata, ra, tid, 0, reason);
+
+	/* free the reordering buffer */
+	for (i = 0; i < sta->ampdu_mlme.tid_rx[tid]->buf_size; i++) {
+		if (sta->ampdu_mlme.tid_rx[tid]->reorder_buf[i]) {
+			/* release the reordered frames */
+			dev_kfree_skb(sta->ampdu_mlme.tid_rx[tid]->reorder_buf[i]);
+			sta->ampdu_mlme.tid_rx[tid]->stored_mpdu_num--;
+			sta->ampdu_mlme.tid_rx[tid]->reorder_buf[i] = NULL;
+		}
+	}
+	/* free resources */
+	kfree(sta->ampdu_mlme.tid_rx[tid]->reorder_buf);
+	kfree(sta->ampdu_mlme.tid_rx[tid]);
+	sta->ampdu_mlme.tid_rx[tid] = NULL;
+	sta->ampdu_mlme.tid_state_rx[tid] = HT_AGG_STATE_IDLE;
+
+	rcu_read_unlock();
+}
+
+
+/*
+ * After sending add Block Ack request we activated a timer until
+ * add Block Ack response will arrive from the recipient.
+ * If this timer expires sta_addba_resp_timer_expired will be executed.
+ */
+static void sta_addba_resp_timer_expired(unsigned long data)
+{
+	/* not an elegant detour, but there is no choice as the timer passes
+	 * only one argument, and both sta_info and TID are needed, so init
+	 * flow in sta_info_create gives the TID as data, while the timer_to_id
+	 * array gives the sta through container_of */
+	u16 tid = *(u8 *)data;
+	struct sta_info *temp_sta = container_of((void *)data,
+		struct sta_info, timer_to_tid[tid]);
+
+	struct ieee80211_local *local = temp_sta->local;
+	struct ieee80211_hw *hw = &local->hw;
+	struct sta_info *sta;
+	u8 *state;
+
+	rcu_read_lock();
+
+	sta = sta_info_get(local, temp_sta->sta.addr);
+	if (!sta) {
+		rcu_read_unlock();
+		return;
+	}
+
+	state = &sta->ampdu_mlme.tid_state_tx[tid];
+	/* check if the TID waits for addBA response */
+	spin_lock_bh(&sta->lock);
+	if (!(*state & HT_ADDBA_REQUESTED_MSK)) {
+		spin_unlock_bh(&sta->lock);
+		*state = HT_AGG_STATE_IDLE;
+#ifdef CONFIG_MAC80211_HT_DEBUG
+		printk(KERN_DEBUG "timer expired on tid %d but we are not "
+				"expecting addBA response there", tid);
+#endif
+		goto timer_expired_exit;
+	}
+
+#ifdef CONFIG_MAC80211_HT_DEBUG
+	printk(KERN_DEBUG "addBA response timer expired on tid %d\n", tid);
+#endif
+
+	/* go through the state check in stop_BA_session */
+	*state = HT_AGG_STATE_OPERATIONAL;
+	spin_unlock_bh(&sta->lock);
+	ieee80211_stop_tx_ba_session(hw, temp_sta->sta.addr, tid,
+				     WLAN_BACK_INITIATOR);
+
+timer_expired_exit:
+	rcu_read_unlock();
+}
+
+void ieee80211_sta_tear_down_BA_sessions(struct ieee80211_sub_if_data *sdata, u8 *addr)
+{
+	struct ieee80211_local *local = sdata->local;
+	int i;
+
+	for (i = 0; i <  STA_TID_NUM; i++) {
+		ieee80211_stop_tx_ba_session(&local->hw, addr, i,
+					     WLAN_BACK_INITIATOR);
+		ieee80211_sta_stop_rx_ba_session(sdata, addr, i,
+						 WLAN_BACK_RECIPIENT,
+						 WLAN_REASON_QSTA_LEAVE_QBSS);
+	}
+}
+
+int ieee80211_start_tx_ba_session(struct ieee80211_hw *hw, u8 *ra, u16 tid)
+{
+	struct ieee80211_local *local = hw_to_local(hw);
+	struct sta_info *sta;
+	struct ieee80211_sub_if_data *sdata;
+	u16 start_seq_num;
+	u8 *state;
+	int ret;
+	DECLARE_MAC_BUF(mac);
+
+	if (tid >= STA_TID_NUM)
+		return -EINVAL;
+
+#ifdef CONFIG_MAC80211_HT_DEBUG
+	printk(KERN_DEBUG "Open BA session requested for %s tid %u\n",
+				print_mac(mac, ra), tid);
+#endif /* CONFIG_MAC80211_HT_DEBUG */
+
+	rcu_read_lock();
+
+	sta = sta_info_get(local, ra);
+	if (!sta) {
+#ifdef CONFIG_MAC80211_HT_DEBUG
+		printk(KERN_DEBUG "Could not find the station\n");
+#endif
+		ret = -ENOENT;
+		goto exit;
+	}
+
+	spin_lock_bh(&sta->lock);
+
+	/* we have tried too many times, receiver does not want A-MPDU */
+	if (sta->ampdu_mlme.addba_req_num[tid] > HT_AGG_MAX_RETRIES) {
+		ret = -EBUSY;
+		goto err_unlock_sta;
+	}
+
+	state = &sta->ampdu_mlme.tid_state_tx[tid];
+	/* check if the TID is not in aggregation flow already */
+	if (*state != HT_AGG_STATE_IDLE) {
+#ifdef CONFIG_MAC80211_HT_DEBUG
+		printk(KERN_DEBUG "BA request denied - session is not "
+				 "idle on tid %u\n", tid);
+#endif /* CONFIG_MAC80211_HT_DEBUG */
+		ret = -EAGAIN;
+		goto err_unlock_sta;
+	}
+
+	/* prepare A-MPDU MLME for Tx aggregation */
+	sta->ampdu_mlme.tid_tx[tid] =
+			kmalloc(sizeof(struct tid_ampdu_tx), GFP_ATOMIC);
+	if (!sta->ampdu_mlme.tid_tx[tid]) {
+#ifdef CONFIG_MAC80211_HT_DEBUG
+		if (net_ratelimit())
+			printk(KERN_ERR "allocate tx mlme to tid %d failed\n",
+					tid);
+#endif
+		ret = -ENOMEM;
+		goto err_unlock_sta;
+	}
+	/* Tx timer */
+	sta->ampdu_mlme.tid_tx[tid]->addba_resp_timer.function =
+			sta_addba_resp_timer_expired;
+	sta->ampdu_mlme.tid_tx[tid]->addba_resp_timer.data =
+			(unsigned long)&sta->timer_to_tid[tid];
+	init_timer(&sta->ampdu_mlme.tid_tx[tid]->addba_resp_timer);
+
+	/* create a new queue for this aggregation */
+	ret = ieee80211_ht_agg_queue_add(local, sta, tid);
+
+	/* case no queue is available to aggregation
+	 * don't switch to aggregation */
+	if (ret) {
+#ifdef CONFIG_MAC80211_HT_DEBUG
+		printk(KERN_DEBUG "BA request denied - queue unavailable for"
+					" tid %d\n", tid);
+#endif /* CONFIG_MAC80211_HT_DEBUG */
+		goto err_unlock_queue;
+	}
+	sdata = sta->sdata;
+
+	/* Ok, the Addba frame hasn't been sent yet, but if the driver calls the
+	 * call back right away, it must see that the flow has begun */
+	*state |= HT_ADDBA_REQUESTED_MSK;
+
+	/* This is slightly racy because the queue isn't stopped */
+	start_seq_num = sta->tid_seq[tid];
+
+	if (local->ops->ampdu_action)
+		ret = local->ops->ampdu_action(hw, IEEE80211_AMPDU_TX_START,
+					       &sta->sta, tid, &start_seq_num);
+
+	if (ret) {
+		/* No need to requeue the packets in the agg queue, since we
+		 * held the tx lock: no packet could be enqueued to the newly
+		 * allocated queue */
+		ieee80211_ht_agg_queue_remove(local, sta, tid, 0);
+#ifdef CONFIG_MAC80211_HT_DEBUG
+		printk(KERN_DEBUG "BA request denied - HW unavailable for"
+					" tid %d\n", tid);
+#endif /* CONFIG_MAC80211_HT_DEBUG */
+		*state = HT_AGG_STATE_IDLE;
+		goto err_unlock_queue;
+	}
+
+	/* Will put all the packets in the new SW queue */
+	ieee80211_requeue(local, ieee802_1d_to_ac[tid]);
+	spin_unlock_bh(&sta->lock);
+
+	/* send an addBA request */
+	sta->ampdu_mlme.dialog_token_allocator++;
+	sta->ampdu_mlme.tid_tx[tid]->dialog_token =
+			sta->ampdu_mlme.dialog_token_allocator;
+	sta->ampdu_mlme.tid_tx[tid]->ssn = start_seq_num;
+
+
+	ieee80211_send_addba_request(sta->sdata, ra, tid,
+			 sta->ampdu_mlme.tid_tx[tid]->dialog_token,
+			 sta->ampdu_mlme.tid_tx[tid]->ssn,
+			 0x40, 5000);
+	/* activate the timer for the recipient's addBA response */
+	sta->ampdu_mlme.tid_tx[tid]->addba_resp_timer.expires =
+				jiffies + ADDBA_RESP_INTERVAL;
+	add_timer(&sta->ampdu_mlme.tid_tx[tid]->addba_resp_timer);
+#ifdef CONFIG_MAC80211_HT_DEBUG
+	printk(KERN_DEBUG "activated addBA response timer on tid %d\n", tid);
+#endif
+	goto exit;
+
+err_unlock_queue:
+	kfree(sta->ampdu_mlme.tid_tx[tid]);
+	sta->ampdu_mlme.tid_tx[tid] = NULL;
+	ret = -EBUSY;
+err_unlock_sta:
+	spin_unlock_bh(&sta->lock);
+exit:
+	rcu_read_unlock();
+	return ret;
+}
+EXPORT_SYMBOL(ieee80211_start_tx_ba_session);
+
+int ieee80211_stop_tx_ba_session(struct ieee80211_hw *hw,
+				 u8 *ra, u16 tid,
+				 enum ieee80211_back_parties initiator)
+{
+	struct ieee80211_local *local = hw_to_local(hw);
+	struct sta_info *sta;
+	u8 *state;
+	int ret = 0;
+	DECLARE_MAC_BUF(mac);
+
+	if (tid >= STA_TID_NUM)
+		return -EINVAL;
+
+	rcu_read_lock();
+	sta = sta_info_get(local, ra);
+	if (!sta) {
+		rcu_read_unlock();
+		return -ENOENT;
+	}
+
+	/* check if the TID is in aggregation */
+	state = &sta->ampdu_mlme.tid_state_tx[tid];
+	spin_lock_bh(&sta->lock);
+
+	if (*state != HT_AGG_STATE_OPERATIONAL) {
+		ret = -ENOENT;
+		goto stop_BA_exit;
+	}
+
+#ifdef CONFIG_MAC80211_HT_DEBUG
+	printk(KERN_DEBUG "Tx BA session stop requested for %s tid %u\n",
+				print_mac(mac, ra), tid);
+#endif /* CONFIG_MAC80211_HT_DEBUG */
+
+	ieee80211_stop_queue(hw, sta->tid_to_tx_q[tid]);
+
+	*state = HT_AGG_STATE_REQ_STOP_BA_MSK |
+		(initiator << HT_AGG_STATE_INITIATOR_SHIFT);
+
+	if (local->ops->ampdu_action)
+		ret = local->ops->ampdu_action(hw, IEEE80211_AMPDU_TX_STOP,
+					       &sta->sta, tid, NULL);
+
+	/* case HW denied going back to legacy */
+	if (ret) {
+		WARN_ON(ret != -EBUSY);
+		*state = HT_AGG_STATE_OPERATIONAL;
+		ieee80211_wake_queue(hw, sta->tid_to_tx_q[tid]);
+		goto stop_BA_exit;
+	}
+
+stop_BA_exit:
+	spin_unlock_bh(&sta->lock);
+	rcu_read_unlock();
+	return ret;
+}
+EXPORT_SYMBOL(ieee80211_stop_tx_ba_session);
+
+void ieee80211_start_tx_ba_cb(struct ieee80211_hw *hw, u8 *ra, u16 tid)
+{
+	struct ieee80211_local *local = hw_to_local(hw);
+	struct sta_info *sta;
+	u8 *state;
+	DECLARE_MAC_BUF(mac);
+
+	if (tid >= STA_TID_NUM) {
+#ifdef CONFIG_MAC80211_HT_DEBUG
+		printk(KERN_DEBUG "Bad TID value: tid = %d (>= %d)\n",
+				tid, STA_TID_NUM);
+#endif
+		return;
+	}
+
+	rcu_read_lock();
+	sta = sta_info_get(local, ra);
+	if (!sta) {
+		rcu_read_unlock();
+#ifdef CONFIG_MAC80211_HT_DEBUG
+		printk(KERN_DEBUG "Could not find station: %s\n",
+				print_mac(mac, ra));
+#endif
+		return;
+	}
+
+	state = &sta->ampdu_mlme.tid_state_tx[tid];
+	spin_lock_bh(&sta->lock);
+
+	if (!(*state & HT_ADDBA_REQUESTED_MSK)) {
+#ifdef CONFIG_MAC80211_HT_DEBUG
+		printk(KERN_DEBUG "addBA was not requested yet, state is %d\n",
+				*state);
+#endif
+		spin_unlock_bh(&sta->lock);
+		rcu_read_unlock();
+		return;
+	}
+
+	WARN_ON_ONCE(*state & HT_ADDBA_DRV_READY_MSK);
+
+	*state |= HT_ADDBA_DRV_READY_MSK;
+
+	if (*state == HT_AGG_STATE_OPERATIONAL) {
+#ifdef CONFIG_MAC80211_HT_DEBUG
+		printk(KERN_DEBUG "Aggregation is on for tid %d \n", tid);
+#endif
+		ieee80211_wake_queue(hw, sta->tid_to_tx_q[tid]);
+	}
+	spin_unlock_bh(&sta->lock);
+	rcu_read_unlock();
+}
+EXPORT_SYMBOL(ieee80211_start_tx_ba_cb);
+
+void ieee80211_stop_tx_ba_cb(struct ieee80211_hw *hw, u8 *ra, u8 tid)
+{
+	struct ieee80211_local *local = hw_to_local(hw);
+	struct sta_info *sta;
+	u8 *state;
+	int agg_queue;
+	DECLARE_MAC_BUF(mac);
+
+	if (tid >= STA_TID_NUM) {
+#ifdef CONFIG_MAC80211_HT_DEBUG
+		printk(KERN_DEBUG "Bad TID value: tid = %d (>= %d)\n",
+				tid, STA_TID_NUM);
+#endif
+		return;
+	}
+
+#ifdef CONFIG_MAC80211_HT_DEBUG
+	printk(KERN_DEBUG "Stopping Tx BA session for %s tid %d\n",
+				print_mac(mac, ra), tid);
+#endif /* CONFIG_MAC80211_HT_DEBUG */
+
+	rcu_read_lock();
+	sta = sta_info_get(local, ra);
+	if (!sta) {
+#ifdef CONFIG_MAC80211_HT_DEBUG
+		printk(KERN_DEBUG "Could not find station: %s\n",
+				print_mac(mac, ra));
+#endif
+		rcu_read_unlock();
+		return;
+	}
+	state = &sta->ampdu_mlme.tid_state_tx[tid];
+
+	/* NOTE: no need to use sta->lock in this state check, as
+	 * ieee80211_stop_tx_ba_session will let only one stop call to
+	 * pass through per sta/tid
+	 */
+	if ((*state & HT_AGG_STATE_REQ_STOP_BA_MSK) == 0) {
+#ifdef CONFIG_MAC80211_HT_DEBUG
+		printk(KERN_DEBUG "unexpected callback to A-MPDU stop\n");
+#endif
+		rcu_read_unlock();
+		return;
+	}
+
+	if (*state & HT_AGG_STATE_INITIATOR_MSK)
+		ieee80211_send_delba(sta->sdata, ra, tid,
+			WLAN_BACK_INITIATOR, WLAN_REASON_QSTA_NOT_USE);
+
+	agg_queue = sta->tid_to_tx_q[tid];
+
+	ieee80211_ht_agg_queue_remove(local, sta, tid, 1);
+
+	/* We just requeued the all the frames that were in the
+	 * removed queue, and since we might miss a softirq we do
+	 * netif_schedule_queue.  ieee80211_wake_queue is not used
+	 * here as this queue is not necessarily stopped
+	 */
+	netif_schedule_queue(netdev_get_tx_queue(local->mdev, agg_queue));
+	spin_lock_bh(&sta->lock);
+	*state = HT_AGG_STATE_IDLE;
+	sta->ampdu_mlme.addba_req_num[tid] = 0;
+	kfree(sta->ampdu_mlme.tid_tx[tid]);
+	sta->ampdu_mlme.tid_tx[tid] = NULL;
+	spin_unlock_bh(&sta->lock);
+
+	rcu_read_unlock();
+}
+EXPORT_SYMBOL(ieee80211_stop_tx_ba_cb);
+
+void ieee80211_start_tx_ba_cb_irqsafe(struct ieee80211_hw *hw,
+				      const u8 *ra, u16 tid)
+{
+	struct ieee80211_local *local = hw_to_local(hw);
+	struct ieee80211_ra_tid *ra_tid;
+	struct sk_buff *skb = dev_alloc_skb(0);
+
+	if (unlikely(!skb)) {
+#ifdef CONFIG_MAC80211_HT_DEBUG
+		if (net_ratelimit())
+			printk(KERN_WARNING "%s: Not enough memory, "
+			       "dropping start BA session", skb->dev->name);
+#endif
+		return;
+	}
+	ra_tid = (struct ieee80211_ra_tid *) &skb->cb;
+	memcpy(&ra_tid->ra, ra, ETH_ALEN);
+	ra_tid->tid = tid;
+
+	skb->pkt_type = IEEE80211_ADDBA_MSG;
+	skb_queue_tail(&local->skb_queue, skb);
+	tasklet_schedule(&local->tasklet);
+}
+EXPORT_SYMBOL(ieee80211_start_tx_ba_cb_irqsafe);
+
+void ieee80211_stop_tx_ba_cb_irqsafe(struct ieee80211_hw *hw,
+				     const u8 *ra, u16 tid)
+{
+	struct ieee80211_local *local = hw_to_local(hw);
+	struct ieee80211_ra_tid *ra_tid;
+	struct sk_buff *skb = dev_alloc_skb(0);
+
+	if (unlikely(!skb)) {
+#ifdef CONFIG_MAC80211_HT_DEBUG
+		if (net_ratelimit())
+			printk(KERN_WARNING "%s: Not enough memory, "
+			       "dropping stop BA session", skb->dev->name);
+#endif
+		return;
+	}
+	ra_tid = (struct ieee80211_ra_tid *) &skb->cb;
+	memcpy(&ra_tid->ra, ra, ETH_ALEN);
+	ra_tid->tid = tid;
+
+	skb->pkt_type = IEEE80211_DELBA_MSG;
+	skb_queue_tail(&local->skb_queue, skb);
+	tasklet_schedule(&local->tasklet);
+}
+EXPORT_SYMBOL(ieee80211_stop_tx_ba_cb_irqsafe);
+
+/*
+ * After accepting the AddBA Request we activated a timer,
+ * resetting it after each frame that arrives from the originator.
+ * if this timer expires ieee80211_sta_stop_rx_ba_session will be executed.
+ */
+static void sta_rx_agg_session_timer_expired(unsigned long data)
+{
+	/* not an elegant detour, but there is no choice as the timer passes
+	 * only one argument, and various sta_info are needed here, so init
+	 * flow in sta_info_create gives the TID as data, while the timer_to_id
+	 * array gives the sta through container_of */
+	u8 *ptid = (u8 *)data;
+	u8 *timer_to_id = ptid - *ptid;
+	struct sta_info *sta = container_of(timer_to_id, struct sta_info,
+					 timer_to_tid[0]);
+
+#ifdef CONFIG_MAC80211_HT_DEBUG
+	printk(KERN_DEBUG "rx session timer expired on tid %d\n", (u16)*ptid);
+#endif
+	ieee80211_sta_stop_rx_ba_session(sta->sdata, sta->sta.addr,
+					 (u16)*ptid, WLAN_BACK_TIMER,
+					 WLAN_REASON_QSTA_TIMEOUT);
+}
+
+void ieee80211_process_addba_request(struct ieee80211_local *local,
+				     struct sta_info *sta,
+				     struct ieee80211_mgmt *mgmt,
+				     size_t len)
+{
+	struct ieee80211_hw *hw = &local->hw;
+	struct ieee80211_conf *conf = &hw->conf;
+	struct tid_ampdu_rx *tid_agg_rx;
+	u16 capab, tid, timeout, ba_policy, buf_size, start_seq_num, status;
+	u8 dialog_token;
+	int ret = -EOPNOTSUPP;
+	DECLARE_MAC_BUF(mac);
+
+	/* extract session parameters from addba request frame */
+	dialog_token = mgmt->u.action.u.addba_req.dialog_token;
+	timeout = le16_to_cpu(mgmt->u.action.u.addba_req.timeout);
+	start_seq_num =
+		le16_to_cpu(mgmt->u.action.u.addba_req.start_seq_num) >> 4;
+
+	capab = le16_to_cpu(mgmt->u.action.u.addba_req.capab);
+	ba_policy = (capab & IEEE80211_ADDBA_PARAM_POLICY_MASK) >> 1;
+	tid = (capab & IEEE80211_ADDBA_PARAM_TID_MASK) >> 2;
+	buf_size = (capab & IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK) >> 6;
+
+	status = WLAN_STATUS_REQUEST_DECLINED;
+
+	/* sanity check for incoming parameters:
+	 * check if configuration can support the BA policy
+	 * and if buffer size does not exceeds max value */
+	if (((ba_policy != 1)
+		&& (!(conf->ht_conf.cap & IEEE80211_HT_CAP_DELAY_BA)))
+		|| (buf_size > IEEE80211_MAX_AMPDU_BUF)) {
+		status = WLAN_STATUS_INVALID_QOS_PARAM;
+#ifdef CONFIG_MAC80211_HT_DEBUG
+		if (net_ratelimit())
+			printk(KERN_DEBUG "AddBA Req with bad params from "
+				"%s on tid %u. policy %d, buffer size %d\n",
+				print_mac(mac, mgmt->sa), tid, ba_policy,
+				buf_size);
+#endif /* CONFIG_MAC80211_HT_DEBUG */
+		goto end_no_lock;
+	}
+	/* determine default buffer size */
+	if (buf_size == 0) {
+		struct ieee80211_supported_band *sband;
+
+		sband = local->hw.wiphy->bands[conf->channel->band];
+		buf_size = IEEE80211_MIN_AMPDU_BUF;
+		buf_size = buf_size << sband->ht_info.ampdu_factor;
+	}
+
+
+	/* examine state machine */
+	spin_lock_bh(&sta->lock);
+
+	if (sta->ampdu_mlme.tid_state_rx[tid] != HT_AGG_STATE_IDLE) {
+#ifdef CONFIG_MAC80211_HT_DEBUG
+		if (net_ratelimit())
+			printk(KERN_DEBUG "unexpected AddBA Req from "
+				"%s on tid %u\n",
+				print_mac(mac, mgmt->sa), tid);
+#endif /* CONFIG_MAC80211_HT_DEBUG */
+		goto end;
+	}
+
+	/* prepare A-MPDU MLME for Rx aggregation */
+	sta->ampdu_mlme.tid_rx[tid] =
+			kmalloc(sizeof(struct tid_ampdu_rx), GFP_ATOMIC);
+	if (!sta->ampdu_mlme.tid_rx[tid]) {
+#ifdef CONFIG_MAC80211_HT_DEBUG
+		if (net_ratelimit())
+			printk(KERN_ERR "allocate rx mlme to tid %d failed\n",
+					tid);
+#endif
+		goto end;
+	}
+	/* rx timer */
+	sta->ampdu_mlme.tid_rx[tid]->session_timer.function =
+				sta_rx_agg_session_timer_expired;
+	sta->ampdu_mlme.tid_rx[tid]->session_timer.data =
+				(unsigned long)&sta->timer_to_tid[tid];
+	init_timer(&sta->ampdu_mlme.tid_rx[tid]->session_timer);
+
+	tid_agg_rx = sta->ampdu_mlme.tid_rx[tid];
+
+	/* prepare reordering buffer */
+	tid_agg_rx->reorder_buf =
+		kmalloc(buf_size * sizeof(struct sk_buff *), GFP_ATOMIC);
+	if (!tid_agg_rx->reorder_buf) {
+#ifdef CONFIG_MAC80211_HT_DEBUG
+		if (net_ratelimit())
+			printk(KERN_ERR "can not allocate reordering buffer "
+			       "to tid %d\n", tid);
+#endif
+		kfree(sta->ampdu_mlme.tid_rx[tid]);
+		goto end;
+	}
+	memset(tid_agg_rx->reorder_buf, 0,
+		buf_size * sizeof(struct sk_buff *));
+
+	if (local->ops->ampdu_action)
+		ret = local->ops->ampdu_action(hw, IEEE80211_AMPDU_RX_START,
+					       &sta->sta, tid, &start_seq_num);
+#ifdef CONFIG_MAC80211_HT_DEBUG
+	printk(KERN_DEBUG "Rx A-MPDU request on tid %d result %d\n", tid, ret);
+#endif /* CONFIG_MAC80211_HT_DEBUG */
+
+	if (ret) {
+		kfree(tid_agg_rx->reorder_buf);
+		kfree(tid_agg_rx);
+		sta->ampdu_mlme.tid_rx[tid] = NULL;
+		goto end;
+	}
+
+	/* change state and send addba resp */
+	sta->ampdu_mlme.tid_state_rx[tid] = HT_AGG_STATE_OPERATIONAL;
+	tid_agg_rx->dialog_token = dialog_token;
+	tid_agg_rx->ssn = start_seq_num;
+	tid_agg_rx->head_seq_num = start_seq_num;
+	tid_agg_rx->buf_size = buf_size;
+	tid_agg_rx->timeout = timeout;
+	tid_agg_rx->stored_mpdu_num = 0;
+	status = WLAN_STATUS_SUCCESS;
+end:
+	spin_unlock_bh(&sta->lock);
+
+end_no_lock:
+	ieee80211_send_addba_resp(sta->sdata, sta->sta.addr, tid,
+				  dialog_token, status, 1, buf_size, timeout);
+}
+
+void ieee80211_process_addba_resp(struct ieee80211_local *local,
+				  struct sta_info *sta,
+				  struct ieee80211_mgmt *mgmt,
+				  size_t len)
+{
+	struct ieee80211_hw *hw = &local->hw;
+	u16 capab;
+	u16 tid;
+	u8 *state;
+
+	capab = le16_to_cpu(mgmt->u.action.u.addba_resp.capab);
+	tid = (capab & IEEE80211_ADDBA_PARAM_TID_MASK) >> 2;
+
+	state = &sta->ampdu_mlme.tid_state_tx[tid];
+
+	spin_lock_bh(&sta->lock);
+
+	if (!(*state & HT_ADDBA_REQUESTED_MSK)) {
+		spin_unlock_bh(&sta->lock);
+		return;
+	}
+
+	if (mgmt->u.action.u.addba_resp.dialog_token !=
+		sta->ampdu_mlme.tid_tx[tid]->dialog_token) {
+		spin_unlock_bh(&sta->lock);
+#ifdef CONFIG_MAC80211_HT_DEBUG
+		printk(KERN_DEBUG "wrong addBA response token, tid %d\n", tid);
+#endif /* CONFIG_MAC80211_HT_DEBUG */
+		return;
+	}
+
+	del_timer_sync(&sta->ampdu_mlme.tid_tx[tid]->addba_resp_timer);
+#ifdef CONFIG_MAC80211_HT_DEBUG
+	printk(KERN_DEBUG "switched off addBA timer for tid %d \n", tid);
+#endif /* CONFIG_MAC80211_HT_DEBUG */
+	if (le16_to_cpu(mgmt->u.action.u.addba_resp.status)
+			== WLAN_STATUS_SUCCESS) {
+		*state |= HT_ADDBA_RECEIVED_MSK;
+		sta->ampdu_mlme.addba_req_num[tid] = 0;
+
+		if (*state == HT_AGG_STATE_OPERATIONAL)
+			ieee80211_wake_queue(hw, sta->tid_to_tx_q[tid]);
+
+		spin_unlock_bh(&sta->lock);
+	} else {
+		sta->ampdu_mlme.addba_req_num[tid]++;
+		/* this will allow the state check in stop_BA_session */
+		*state = HT_AGG_STATE_OPERATIONAL;
+		spin_unlock_bh(&sta->lock);
+		ieee80211_stop_tx_ba_session(hw, sta->sta.addr, tid,
+					     WLAN_BACK_INITIATOR);
+	}
+}
+
+void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata,
+			     struct sta_info *sta,
+			     struct ieee80211_mgmt *mgmt, size_t len)
+{
+	struct ieee80211_local *local = sdata->local;
+	u16 tid, params;
+	u16 initiator;
+	DECLARE_MAC_BUF(mac);
+
+	params = le16_to_cpu(mgmt->u.action.u.delba.params);
+	tid = (params & IEEE80211_DELBA_PARAM_TID_MASK) >> 12;
+	initiator = (params & IEEE80211_DELBA_PARAM_INITIATOR_MASK) >> 11;
+
+#ifdef CONFIG_MAC80211_HT_DEBUG
+	if (net_ratelimit())
+		printk(KERN_DEBUG "delba from %s (%s) tid %d reason code %d\n",
+			print_mac(mac, mgmt->sa),
+			initiator ? "initiator" : "recipient", tid,
+			mgmt->u.action.u.delba.reason_code);
+#endif /* CONFIG_MAC80211_HT_DEBUG */
+
+	if (initiator == WLAN_BACK_INITIATOR)
+		ieee80211_sta_stop_rx_ba_session(sdata, sta->sta.addr, tid,
+						 WLAN_BACK_INITIATOR, 0);
+	else { /* WLAN_BACK_RECIPIENT */
+		spin_lock_bh(&sta->lock);
+		sta->ampdu_mlme.tid_state_tx[tid] =
+				HT_AGG_STATE_OPERATIONAL;
+		spin_unlock_bh(&sta->lock);
+		ieee80211_stop_tx_ba_session(&local->hw, sta->sta.addr, tid,
+					     WLAN_BACK_RECIPIENT);
+	}
+}
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 586a9b49b0f..8025b294588 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -29,17 +29,6 @@
 #include "key.h"
 #include "sta_info.h"
 
-/* ieee80211.o internal definitions, etc. These are not included into
- * low-level drivers. */
-
-#ifndef ETH_P_PAE
-#define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */
-#endif /* ETH_P_PAE */
-
-#define WLAN_FC_DATA_PRESENT(fc) (((fc) & 0x4c) == 0x08)
-
-#define IEEE80211_FC(type, subtype) cpu_to_le16(type | subtype)
-
 struct ieee80211_local;
 
 /* Maximum number of broadcast/multicast frames to buffer when some of the
@@ -61,6 +50,12 @@ struct ieee80211_local;
  * increased memory use (about 2 kB of RAM per entry). */
 #define IEEE80211_FRAGMENT_MAX 4
 
+/*
+ * Time after which we ignore scan results and no longer report/use
+ * them in any way.
+ */
+#define IEEE80211_SCAN_RESULT_EXPIRE (10 * HZ)
+
 struct ieee80211_fragment_entry {
 	unsigned long first_frag_time;
 	unsigned int seq;
@@ -73,9 +68,9 @@ struct ieee80211_fragment_entry {
 };
 
 
-struct ieee80211_sta_bss {
+struct ieee80211_bss {
 	struct list_head list;
-	struct ieee80211_sta_bss *hnext;
+	struct ieee80211_bss *hnext;
 	size_t ssid_len;
 
 	atomic_t users;
@@ -87,16 +82,11 @@ struct ieee80211_sta_bss {
 	enum ieee80211_band band;
 	int freq;
 	int signal, noise, qual;
-	u8 *wpa_ie;
-	size_t wpa_ie_len;
-	u8 *rsn_ie;
-	size_t rsn_ie_len;
-	u8 *wmm_ie;
-	size_t wmm_ie_len;
-	u8 *ht_ie;
-	size_t ht_ie_len;
-	u8 *ht_add_ie;
-	size_t ht_add_ie_len;
+	u8 *ies; /* all information elements from the last Beacon or Probe
+		  * Response frames; note Beacon frame is not allowed to
+		  * override values from Probe Response */
+	size_t ies_len;
+	bool wmm_used;
 #ifdef CONFIG_MAC80211_MESH
 	u8 *mesh_id;
 	size_t mesh_id_len;
@@ -108,7 +98,7 @@ struct ieee80211_sta_bss {
 	u64 timestamp;
 	int beacon_int;
 
-	bool probe_resp;
+	unsigned long last_probe_resp;
 	unsigned long last_update;
 
 	/* during assocation, we save an ERP value from a probe response so
@@ -119,7 +109,7 @@ struct ieee80211_sta_bss {
 	u8 erp_value;
 };
 
-static inline u8 *bss_mesh_cfg(struct ieee80211_sta_bss *bss)
+static inline u8 *bss_mesh_cfg(struct ieee80211_bss *bss)
 {
 #ifdef CONFIG_MAC80211_MESH
 	return bss->mesh_cfg;
@@ -127,7 +117,7 @@ static inline u8 *bss_mesh_cfg(struct ieee80211_sta_bss *bss)
 	return NULL;
 }
 
-static inline u8 *bss_mesh_id(struct ieee80211_sta_bss *bss)
+static inline u8 *bss_mesh_id(struct ieee80211_bss *bss)
 {
 #ifdef CONFIG_MAC80211_MESH
 	return bss->mesh_id;
@@ -135,7 +125,7 @@ static inline u8 *bss_mesh_id(struct ieee80211_sta_bss *bss)
 	return NULL;
 }
 
-static inline u8 bss_mesh_id_len(struct ieee80211_sta_bss *bss)
+static inline u8 bss_mesh_id_len(struct ieee80211_bss *bss)
 {
 #ifdef CONFIG_MAC80211_MESH
 	return bss->mesh_id_len;
@@ -174,7 +164,7 @@ struct ieee80211_tx_data {
 	struct sk_buff **extra_frag;
 	int num_extra_frag;
 
-	u16 fc, ethertype;
+	u16 ethertype;
 	unsigned int flags;
 };
 
@@ -202,7 +192,7 @@ struct ieee80211_rx_data {
 	struct ieee80211_rx_status *status;
 	struct ieee80211_rate *rate;
 
-	u16 fc, ethertype;
+	u16 ethertype;
 	unsigned int flags;
 	int sent_ps_buffered;
 	int queue;
@@ -239,7 +229,6 @@ struct ieee80211_if_ap {
 	struct sk_buff_head ps_bc_buf;
 	atomic_t num_sta_ps; /* number of stations in PS mode */
 	int dtim_count;
-	int num_beacons; /* number of TXed beacon frames for this BSS */
 };
 
 struct ieee80211_if_wds {
@@ -300,48 +289,37 @@ struct mesh_config {
 #define IEEE80211_STA_AUTO_BSSID_SEL	BIT(11)
 #define IEEE80211_STA_AUTO_CHANNEL_SEL	BIT(12)
 #define IEEE80211_STA_PRIVACY_INVOKED	BIT(13)
+/* flags for MLME request */
+#define IEEE80211_STA_REQ_SCAN 0
+#define IEEE80211_STA_REQ_DIRECT_PROBE 1
+#define IEEE80211_STA_REQ_AUTH 2
+#define IEEE80211_STA_REQ_RUN  3
+
+/* STA/IBSS MLME states */
+enum ieee80211_sta_mlme_state {
+	IEEE80211_STA_MLME_DISABLED,
+	IEEE80211_STA_MLME_DIRECT_PROBE,
+	IEEE80211_STA_MLME_AUTHENTICATE,
+	IEEE80211_STA_MLME_ASSOCIATE,
+	IEEE80211_STA_MLME_ASSOCIATED,
+	IEEE80211_STA_MLME_IBSS_SEARCH,
+	IEEE80211_STA_MLME_IBSS_JOINED,
+};
+
+/* bitfield of allowed auth algs */
+#define IEEE80211_AUTH_ALG_OPEN BIT(0)
+#define IEEE80211_AUTH_ALG_SHARED_KEY BIT(1)
+#define IEEE80211_AUTH_ALG_LEAP BIT(2)
+
 struct ieee80211_if_sta {
 	struct timer_list timer;
 	struct work_struct work;
 	u8 bssid[ETH_ALEN], prev_bssid[ETH_ALEN];
 	u8 ssid[IEEE80211_MAX_SSID_LEN];
-	enum {
-		IEEE80211_DISABLED, IEEE80211_AUTHENTICATE,
-		IEEE80211_ASSOCIATE, IEEE80211_ASSOCIATED,
-		IEEE80211_IBSS_SEARCH, IEEE80211_IBSS_JOINED,
-		IEEE80211_MESH_UP
-	} state;
+	enum ieee80211_sta_mlme_state state;
 	size_t ssid_len;
 	u8 scan_ssid[IEEE80211_MAX_SSID_LEN];
 	size_t scan_ssid_len;
-#ifdef CONFIG_MAC80211_MESH
-	struct timer_list mesh_path_timer;
-	u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN];
-	size_t mesh_id_len;
-	/* Active Path Selection Protocol Identifier */
-	u8 mesh_pp_id[4];
-	/* Active Path Selection Metric Identifier */
-	u8 mesh_pm_id[4];
-	/* Congestion Control Mode Identifier */
-	u8 mesh_cc_id[4];
-	/* Local mesh Destination Sequence Number */
-	u32 dsn;
-	/* Last used PREQ ID */
-	u32 preq_id;
-	atomic_t mpaths;
-	/* Timestamp of last DSN update */
-	unsigned long last_dsn_update;
-	/* Timestamp of last DSN sent */
-	unsigned long last_preq;
-	struct mesh_rmc *rmc;
-	spinlock_t mesh_preq_queue_lock;
-	struct mesh_preq_queue preq_queue;
-	int preq_queue_len;
-	struct mesh_stats mshstats;
-	struct mesh_config mshcfg;
-	u32 mesh_seqnum;
-	bool accepting_plinks;
-#endif
 	u16 aid;
 	u16 ap_capab, capab;
 	u8 *extra_ie; /* to be added to the end of AssocReq */
@@ -353,20 +331,17 @@ struct ieee80211_if_sta {
 
 	struct sk_buff_head skb_queue;
 
-	int auth_tries, assoc_tries;
+	int assoc_scan_tries; /* number of scans done pre-association */
+	int direct_probe_tries; /* retries for direct probes */
+	int auth_tries; /* retries for auth req */
+	int assoc_tries; /* retries for assoc req */
 
 	unsigned long request;
 
 	unsigned long last_probe;
 
 	unsigned int flags;
-#define IEEE80211_STA_REQ_SCAN 0
-#define IEEE80211_STA_REQ_AUTH 1
-#define IEEE80211_STA_REQ_RUN  2
 
-#define IEEE80211_AUTH_ALG_OPEN BIT(0)
-#define IEEE80211_AUTH_ALG_SHARED_KEY BIT(1)
-#define IEEE80211_AUTH_ALG_LEAP BIT(2)
 	unsigned int auth_algs; /* bitfield of allowed auth algs */
 	int auth_alg; /* currently used IEEE 802.11 authentication algorithm */
 	int auth_transaction;
@@ -376,31 +351,70 @@ struct ieee80211_if_sta {
 	u32 supp_rates_bits[IEEE80211_NUM_BANDS];
 
 	int wmm_last_param_set;
-	int num_beacons; /* number of TXed beacon frames by this STA */
 };
 
-static inline void ieee80211_if_sta_set_mesh_id(struct ieee80211_if_sta *ifsta,
-						u8 mesh_id_len, u8 *mesh_id)
-{
-#ifdef CONFIG_MAC80211_MESH
-	ifsta->mesh_id_len = mesh_id_len;
-	memcpy(ifsta->mesh_id, mesh_id, mesh_id_len);
-#endif
-}
+struct ieee80211_if_mesh {
+	struct work_struct work;
+	struct timer_list housekeeping_timer;
+	struct timer_list mesh_path_timer;
+	struct sk_buff_head skb_queue;
+
+	bool housekeeping;
+
+	u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN];
+	size_t mesh_id_len;
+	/* Active Path Selection Protocol Identifier */
+	u8 mesh_pp_id[4];
+	/* Active Path Selection Metric Identifier */
+	u8 mesh_pm_id[4];
+	/* Congestion Control Mode Identifier */
+	u8 mesh_cc_id[4];
+	/* Local mesh Destination Sequence Number */
+	u32 dsn;
+	/* Last used PREQ ID */
+	u32 preq_id;
+	atomic_t mpaths;
+	/* Timestamp of last DSN update */
+	unsigned long last_dsn_update;
+	/* Timestamp of last DSN sent */
+	unsigned long last_preq;
+	struct mesh_rmc *rmc;
+	spinlock_t mesh_preq_queue_lock;
+	struct mesh_preq_queue preq_queue;
+	int preq_queue_len;
+	struct mesh_stats mshstats;
+	struct mesh_config mshcfg;
+	u32 mesh_seqnum;
+	bool accepting_plinks;
+};
 
 #ifdef CONFIG_MAC80211_MESH
-#define IEEE80211_IFSTA_MESH_CTR_INC(sta, name)	\
-	do { (sta)->mshstats.name++; } while (0)
+#define IEEE80211_IFSTA_MESH_CTR_INC(msh, name)	\
+	do { (msh)->mshstats.name++; } while (0)
 #else
-#define IEEE80211_IFSTA_MESH_CTR_INC(sta, name) \
+#define IEEE80211_IFSTA_MESH_CTR_INC(msh, name) \
 	do { } while (0)
 #endif
 
-/* flags used in struct ieee80211_sub_if_data.flags */
-#define IEEE80211_SDATA_ALLMULTI	BIT(0)
-#define IEEE80211_SDATA_PROMISC		BIT(1)
-#define IEEE80211_SDATA_USERSPACE_MLME	BIT(2)
-#define IEEE80211_SDATA_OPERATING_GMODE	BIT(3)
+/**
+ * enum ieee80211_sub_if_data_flags - virtual interface flags
+ *
+ * @IEEE80211_SDATA_ALLMULTI: interface wants all multicast packets
+ * @IEEE80211_SDATA_PROMISC: interface is promisc
+ * @IEEE80211_SDATA_USERSPACE_MLME: userspace MLME is active
+ * @IEEE80211_SDATA_OPERATING_GMODE: operating in G-only mode
+ * @IEEE80211_SDATA_DONT_BRIDGE_PACKETS: bridge packets between
+ *	associated stations and deliver multicast frames both
+ *	back to wireless media and to the local net stack.
+ */
+enum ieee80211_sub_if_data_flags {
+	IEEE80211_SDATA_ALLMULTI		= BIT(0),
+	IEEE80211_SDATA_PROMISC			= BIT(1),
+	IEEE80211_SDATA_USERSPACE_MLME		= BIT(2),
+	IEEE80211_SDATA_OPERATING_GMODE		= BIT(3),
+	IEEE80211_SDATA_DONT_BRIDGE_PACKETS	= BIT(4),
+};
+
 struct ieee80211_sub_if_data {
 	struct list_head list;
 
@@ -416,11 +430,6 @@ struct ieee80211_sub_if_data {
 
 	int drop_unencrypted;
 
-	/*
-	 * basic rates of this AP or the AP we're associated to
-	 */
-	u64 basic_rates;
-
 	/* Fragment table for host-based reassembly */
 	struct ieee80211_fragment_entry	fragments[IEEE80211_FRAGMENT_MAX];
 	unsigned int fragment_next;
@@ -447,6 +456,9 @@ struct ieee80211_sub_if_data {
 		struct ieee80211_if_wds wds;
 		struct ieee80211_if_vlan vlan;
 		struct ieee80211_if_sta sta;
+#ifdef CONFIG_MAC80211_MESH
+		struct ieee80211_if_mesh mesh;
+#endif
 		u32 mntr_flags;
 	} u;
 
@@ -469,7 +481,6 @@ struct ieee80211_sub_if_data {
 			struct dentry *auth_alg;
 			struct dentry *auth_transaction;
 			struct dentry *flags;
-			struct dentry *num_beacons_sta;
 			struct dentry *force_unicast_rateidx;
 			struct dentry *max_ratectrl_rateidx;
 		} sta;
@@ -477,7 +488,6 @@ struct ieee80211_sub_if_data {
 			struct dentry *drop_unencrypted;
 			struct dentry *num_sta_ps;
 			struct dentry *dtim_count;
-			struct dentry *num_beacons;
 			struct dentry *force_unicast_rateidx;
 			struct dentry *max_ratectrl_rateidx;
 			struct dentry *num_buffered_multicast;
@@ -496,8 +506,10 @@ struct ieee80211_sub_if_data {
 		struct {
 			struct dentry *mode;
 		} monitor;
-		struct dentry *default_key;
 	} debugfs;
+	struct {
+		struct dentry *default_key;
+	} common_debugfs;
 
 #ifdef CONFIG_MAC80211_MESH
 	struct dentry *mesh_stats_dir;
@@ -538,6 +550,19 @@ struct ieee80211_sub_if_data *vif_to_sdata(struct ieee80211_vif *p)
 	return container_of(p, struct ieee80211_sub_if_data, vif);
 }
 
+static inline void
+ieee80211_sdata_set_mesh_id(struct ieee80211_sub_if_data *sdata,
+			    u8 mesh_id_len, u8 *mesh_id)
+{
+#ifdef CONFIG_MAC80211_MESH
+	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
+	ifmsh->mesh_id_len = mesh_id_len;
+	memcpy(ifmsh->mesh_id, mesh_id, mesh_id_len);
+#else
+	WARN_ON(1);
+#endif
+}
+
 enum {
 	IEEE80211_RX_MSG	= 1,
 	IEEE80211_TX_STATUS_MSG	= 2,
@@ -548,6 +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
@@ -611,10 +640,6 @@ struct ieee80211_local {
 	struct crypto_blkcipher *wep_rx_tfm;
 	u32 wep_iv;
 
-	int bridge_packets; /* bridge packets between associated stations and
-			     * deliver multicast frames both back to wireless
-			     * media and to the local net stack */
-
 	struct list_head interfaces;
 
 	/*
@@ -624,21 +649,21 @@ struct ieee80211_local {
 	spinlock_t key_lock;
 
 
-	bool sta_sw_scanning;
-	bool sta_hw_scanning;
+	/* Scanning and BSS list */
+	bool sw_scanning, hw_scanning;
 	int scan_channel_idx;
 	enum ieee80211_band scan_band;
 
 	enum { SCAN_SET_CHANNEL, SCAN_SEND_PROBE } scan_state;
 	unsigned long last_scan_completed;
 	struct delayed_work scan_work;
-	struct net_device *scan_dev;
+	struct ieee80211_sub_if_data *scan_sdata;
 	struct ieee80211_channel *oper_channel, *scan_channel;
 	u8 scan_ssid[IEEE80211_MAX_SSID_LEN];
 	size_t scan_ssid_len;
-	struct list_head sta_bss_list;
-	struct ieee80211_sta_bss *sta_bss_hash[STA_HASH_SIZE];
-	spinlock_t sta_bss_lock;
+	struct list_head bss_list;
+	struct ieee80211_bss *bss_hash[STA_HASH_SIZE];
+	spinlock_t bss_lock;
 
 	/* SNMP counters */
 	/* dot11CountersTable */
@@ -699,10 +724,11 @@ struct ieee80211_local {
 
 #ifdef CONFIG_MAC80211_DEBUGFS
 	struct local_debugfsdentries {
+		struct dentry *rcdir;
+		struct dentry *rcname;
 		struct dentry *frequency;
 		struct dentry *antenna_sel_tx;
 		struct dentry *antenna_sel_rx;
-		struct dentry *bridge_packets;
 		struct dentry *rts_threshold;
 		struct dentry *fragmentation_threshold;
 		struct dentry *short_retry_limit;
@@ -772,6 +798,9 @@ struct ieee80211_ra_tid {
 
 /* Parsed Information Elements */
 struct ieee802_11_elems {
+	u8 *ie_start;
+	size_t total_len;
+
 	/* pointers to IEs */
 	u8 *ssid;
 	u8 *supp_rates;
@@ -855,86 +884,82 @@ static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr)
 }
 
 
-/* ieee80211.c */
 int ieee80211_hw_config(struct ieee80211_local *local);
 int ieee80211_if_config(struct ieee80211_sub_if_data *sdata, u32 changed);
 void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx);
 u32 ieee80211_handle_ht(struct ieee80211_local *local, int enable_ht,
 			struct ieee80211_ht_info *req_ht_cap,
 			struct ieee80211_ht_bss_info *req_bss_cap);
+void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
+				      u32 changed);
+void ieee80211_configure_filter(struct ieee80211_local *local);
 
-/* ieee80211_ioctl.c */
+/* wireless extensions */
 extern const struct iw_handler_def ieee80211_iw_handler_def;
-int ieee80211_set_freq(struct net_device *dev, int freq);
 
-/* ieee80211_sta.c */
-void ieee80211_sta_timer(unsigned long data);
-void ieee80211_sta_work(struct work_struct *work);
-void ieee80211_sta_scan_work(struct work_struct *work);
-void ieee80211_sta_rx_mgmt(struct net_device *dev, struct sk_buff *skb,
+/* STA/IBSS code */
+void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata);
+void ieee80211_scan_work(struct work_struct *work);
+void ieee80211_sta_rx_mgmt(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb,
 			   struct ieee80211_rx_status *rx_status);
-int ieee80211_sta_set_ssid(struct net_device *dev, char *ssid, size_t len);
-int ieee80211_sta_get_ssid(struct net_device *dev, char *ssid, size_t *len);
-int ieee80211_sta_set_bssid(struct net_device *dev, u8 *bssid);
-int ieee80211_sta_req_scan(struct net_device *dev, u8 *ssid, size_t ssid_len);
-void ieee80211_sta_req_auth(struct net_device *dev,
+int ieee80211_sta_set_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t len);
+int ieee80211_sta_get_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t *len);
+int ieee80211_sta_set_bssid(struct ieee80211_sub_if_data *sdata, u8 *bssid);
+void ieee80211_sta_req_auth(struct ieee80211_sub_if_data *sdata,
 			    struct ieee80211_if_sta *ifsta);
-int ieee80211_sta_scan_results(struct net_device *dev,
-			       struct iw_request_info *info,
-			       char *buf, size_t len);
-ieee80211_rx_result ieee80211_sta_rx_scan(
-	struct net_device *dev, struct sk_buff *skb,
-	struct ieee80211_rx_status *rx_status);
-void ieee80211_rx_bss_list_init(struct ieee80211_local *local);
-void ieee80211_rx_bss_list_deinit(struct ieee80211_local *local);
-int ieee80211_sta_set_extra_ie(struct net_device *dev, char *ie, size_t len);
-struct sta_info *ieee80211_ibss_add_sta(struct net_device *dev,
+struct sta_info *ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata,
 					struct sk_buff *skb, u8 *bssid,
 					u8 *addr, u64 supp_rates);
-int ieee80211_sta_deauthenticate(struct net_device *dev, u16 reason);
-int ieee80211_sta_disassociate(struct net_device *dev, u16 reason);
-void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
-				      u32 changed);
-u32 ieee80211_reset_erp_info(struct net_device *dev);
-int ieee80211_ht_cap_ie_to_ht_info(struct ieee80211_ht_cap *ht_cap_ie,
-				   struct ieee80211_ht_info *ht_info);
-int ieee80211_ht_addt_info_ie_to_ht_bss_info(
-			struct ieee80211_ht_addt_info *ht_add_info_ie,
-			struct ieee80211_ht_bss_info *bss_info);
-void ieee80211_send_addba_request(struct net_device *dev, const u8 *da,
-				  u16 tid, u8 dialog_token, u16 start_seq_num,
-				  u16 agg_size, u16 timeout);
-void ieee80211_send_delba(struct net_device *dev, const u8 *da, u16 tid,
-				u16 initiator, u16 reason_code);
-void ieee80211_send_bar(struct net_device *dev, u8 *ra, u16 tid, u16 ssn);
-
-void ieee80211_sta_stop_rx_ba_session(struct net_device *dev, u8 *da,
-				u16 tid, u16 initiator, u16 reason);
-void sta_addba_resp_timer_expired(unsigned long data);
-void ieee80211_sta_tear_down_BA_sessions(struct net_device *dev, u8 *addr);
+int ieee80211_sta_deauthenticate(struct ieee80211_sub_if_data *sdata, u16 reason);
+int ieee80211_sta_disassociate(struct ieee80211_sub_if_data *sdata, u16 reason);
+u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata);
 u64 ieee80211_sta_get_rates(struct ieee80211_local *local,
 			    struct ieee802_11_elems *elems,
 			    enum ieee80211_band band);
-void ieee80211_sta_tx(struct net_device *dev, struct sk_buff *skb,
-		int encrypt);
-void ieee802_11_parse_elems(u8 *start, size_t len,
-				   struct ieee802_11_elems *elems);
-
-#ifdef CONFIG_MAC80211_MESH
-void ieee80211_start_mesh(struct net_device *dev);
-#else
-static inline void ieee80211_start_mesh(struct net_device *dev)
-{}
-#endif
+void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst,
+			      u8 *ssid, size_t ssid_len);
+
+/* scan/BSS handling */
+int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata,
+			   u8 *ssid, size_t ssid_len);
+int ieee80211_scan_results(struct ieee80211_local *local,
+			   struct iw_request_info *info,
+			   char *buf, size_t len);
+ieee80211_rx_result
+ieee80211_scan_rx(struct ieee80211_sub_if_data *sdata,
+		  struct sk_buff *skb,
+		  struct ieee80211_rx_status *rx_status);
+void ieee80211_rx_bss_list_init(struct ieee80211_local *local);
+void ieee80211_rx_bss_list_deinit(struct ieee80211_local *local);
+int ieee80211_sta_set_extra_ie(struct ieee80211_sub_if_data *sdata,
+			       char *ie, size_t len);
+
+void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local);
+int ieee80211_start_scan(struct ieee80211_sub_if_data *scan_sdata,
+			 u8 *ssid, size_t ssid_len);
+struct ieee80211_bss *
+ieee80211_bss_info_update(struct ieee80211_local *local,
+			  struct ieee80211_rx_status *rx_status,
+			  struct ieee80211_mgmt *mgmt,
+			  size_t len,
+			  struct ieee802_11_elems *elems,
+			  int freq, bool beacon);
+struct ieee80211_bss *
+ieee80211_rx_bss_add(struct ieee80211_local *local, u8 *bssid, int freq,
+		     u8 *ssid, u8 ssid_len);
+struct ieee80211_bss *
+ieee80211_rx_bss_get(struct ieee80211_local *local, u8 *bssid, int freq,
+		     u8 *ssid, u8 ssid_len);
+void ieee80211_rx_bss_put(struct ieee80211_local *local,
+			  struct ieee80211_bss *bss);
 
 /* interface handling */
-void ieee80211_if_setup(struct net_device *dev);
 int ieee80211_if_add(struct ieee80211_local *local, const char *name,
-		     struct net_device **new_dev, enum ieee80211_if_types type,
+		     struct net_device **new_dev, enum nl80211_iftype type,
 		     struct vif_params *params);
 int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata,
-			     enum ieee80211_if_types type);
-void ieee80211_if_remove(struct net_device *dev);
+			     enum nl80211_iftype type);
+void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata);
 void ieee80211_remove_interfaces(struct ieee80211_local *local);
 
 /* tx handling */
@@ -944,16 +969,52 @@ int ieee80211_master_start_xmit(struct sk_buff *skb, struct net_device *dev);
 int ieee80211_monitor_start_xmit(struct sk_buff *skb, struct net_device *dev);
 int ieee80211_subif_start_xmit(struct sk_buff *skb, struct net_device *dev);
 
+/* HT */
+int ieee80211_ht_cap_ie_to_ht_info(struct ieee80211_ht_cap *ht_cap_ie,
+				   struct ieee80211_ht_info *ht_info);
+int ieee80211_ht_addt_info_ie_to_ht_bss_info(
+			struct ieee80211_ht_addt_info *ht_add_info_ie,
+			struct ieee80211_ht_bss_info *bss_info);
+void ieee80211_send_bar(struct ieee80211_sub_if_data *sdata, u8 *ra, u16 tid, u16 ssn);
+
+void ieee80211_sta_stop_rx_ba_session(struct ieee80211_sub_if_data *sdata, u8 *da,
+				u16 tid, u16 initiator, u16 reason);
+void ieee80211_sta_tear_down_BA_sessions(struct ieee80211_sub_if_data *sdata, u8 *addr);
+void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata,
+			     struct sta_info *sta,
+			     struct ieee80211_mgmt *mgmt, size_t len);
+void ieee80211_process_addba_resp(struct ieee80211_local *local,
+				  struct sta_info *sta,
+				  struct ieee80211_mgmt *mgmt,
+				  size_t len);
+void ieee80211_process_addba_request(struct ieee80211_local *local,
+				     struct sta_info *sta,
+				     struct ieee80211_mgmt *mgmt,
+				     size_t len);
+
+/* Spectrum management */
+void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata,
+				       struct ieee80211_mgmt *mgmt,
+				       size_t len);
+
 /* utility functions/constants */
 extern void *mac80211_wiphy_privid; /* for wiphy privid */
 extern const unsigned char rfc1042_header[6];
 extern const unsigned char bridge_tunnel_header[6];
 u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len,
-			enum ieee80211_if_types type);
+			enum nl80211_iftype type);
 int ieee80211_frame_duration(struct ieee80211_local *local, size_t len,
 			     int rate, int erp, int short_preamble);
-void mac80211_ev_michael_mic_failure(struct net_device *dev, int keyidx,
+void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int keyidx,
 				     struct ieee80211_hdr *hdr);
+void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata);
+void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb,
+		      int encrypt);
+void ieee802_11_parse_elems(u8 *start, size_t len,
+			    struct ieee802_11_elems *elems);
+int ieee80211_set_freq(struct ieee80211_sub_if_data *sdata, int freq);
+u64 ieee80211_mandatory_rates(struct ieee80211_local *local,
+			      enum ieee80211_band band);
 
 #ifdef CONFIG_MAC80211_NOINLINE
 #define debug_noinline noinline
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 610ed1d9893..8336fee68d3 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -1,4 +1,6 @@
 /*
+ * Interface handling (except master interface)
+ *
  * Copyright 2002-2005, Instant802 Networks, Inc.
  * Copyright 2005-2006, Devicescape Software, Inc.
  * Copyright (c) 2006 Jiri Benc <jbenc@suse.cz>
@@ -17,7 +19,539 @@
 #include "sta_info.h"
 #include "debugfs_netdev.h"
 #include "mesh.h"
+#include "led.h"
+
+static int ieee80211_change_mtu(struct net_device *dev, int new_mtu)
+{
+	int meshhdrlen;
+	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+	meshhdrlen = (sdata->vif.type == NL80211_IFTYPE_MESH_POINT) ? 5 : 0;
+
+	/* FIX: what would be proper limits for MTU?
+	 * This interface uses 802.3 frames. */
+	if (new_mtu < 256 ||
+	    new_mtu > IEEE80211_MAX_DATA_LEN - 24 - 6 - meshhdrlen) {
+		return -EINVAL;
+	}
+
+#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
+	printk(KERN_DEBUG "%s: setting MTU %d\n", dev->name, new_mtu);
+#endif /* CONFIG_MAC80211_VERBOSE_DEBUG */
+	dev->mtu = new_mtu;
+	return 0;
+}
+
+static inline int identical_mac_addr_allowed(int type1, int type2)
+{
+	return type1 == NL80211_IFTYPE_MONITOR ||
+		type2 == NL80211_IFTYPE_MONITOR ||
+		(type1 == NL80211_IFTYPE_AP && type2 == NL80211_IFTYPE_WDS) ||
+		(type1 == NL80211_IFTYPE_WDS &&
+			(type2 == NL80211_IFTYPE_WDS ||
+			 type2 == NL80211_IFTYPE_AP)) ||
+		(type1 == NL80211_IFTYPE_AP && type2 == NL80211_IFTYPE_AP_VLAN) ||
+		(type1 == NL80211_IFTYPE_AP_VLAN &&
+			(type2 == NL80211_IFTYPE_AP ||
+			 type2 == NL80211_IFTYPE_AP_VLAN));
+}
+
+static int ieee80211_open(struct net_device *dev)
+{
+	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(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;
+	bool need_hw_reconfig = 0;
+	u8 null_addr[ETH_ALEN] = {0};
+
+	/* fail early if user set an invalid address */
+	if (compare_ether_addr(dev->dev_addr, null_addr) &&
+	    !is_valid_ether_addr(dev->dev_addr))
+		return -EADDRNOTAVAIL;
+
+	/* we hold the RTNL here so can safely walk the list */
+	list_for_each_entry(nsdata, &local->interfaces, list) {
+		struct net_device *ndev = nsdata->dev;
+
+		if (ndev != dev && netif_running(ndev)) {
+			/*
+			 * Allow only a single IBSS interface to be up at any
+			 * time. This is restricted because beacon distribution
+			 * cannot work properly if both are in the same IBSS.
+			 *
+			 * To remove this restriction we'd have to disallow them
+			 * from setting the same SSID on different IBSS interfaces
+			 * belonging to the same hardware. Then, however, we're
+			 * faced with having to adopt two different TSF timers...
+			 */
+			if (sdata->vif.type == NL80211_IFTYPE_ADHOC &&
+			    nsdata->vif.type == NL80211_IFTYPE_ADHOC)
+				return -EBUSY;
+
+			/*
+			 * The remaining checks are only performed for interfaces
+			 * with the same MAC address.
+			 */
+			if (compare_ether_addr(dev->dev_addr, ndev->dev_addr))
+				continue;
+
+			/*
+			 * check whether it may have the same address
+			 */
+			if (!identical_mac_addr_allowed(sdata->vif.type,
+							nsdata->vif.type))
+				return -ENOTUNIQ;
+
+			/*
+			 * can only add VLANs to enabled APs
+			 */
+			if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
+			    nsdata->vif.type == NL80211_IFTYPE_AP)
+				sdata->bss = &nsdata->u.ap;
+		}
+	}
+
+	switch (sdata->vif.type) {
+	case NL80211_IFTYPE_WDS:
+		if (!is_valid_ether_addr(sdata->u.wds.remote_addr))
+			return -ENOLINK;
+		break;
+	case NL80211_IFTYPE_AP_VLAN:
+		if (!sdata->bss)
+			return -ENOLINK;
+		list_add(&sdata->u.vlan.list, &sdata->bss->vlans);
+		break;
+	case NL80211_IFTYPE_AP:
+		sdata->bss = &sdata->u.ap;
+		break;
+	case NL80211_IFTYPE_MESH_POINT:
+		if (!ieee80211_vif_is_mesh(&sdata->vif))
+			break;
+		/* mesh ifaces must set allmulti to forward mcast traffic */
+		atomic_inc(&local->iff_allmultis);
+		break;
+	case NL80211_IFTYPE_STATION:
+	case NL80211_IFTYPE_MONITOR:
+	case NL80211_IFTYPE_ADHOC:
+		/* no special treatment */
+		break;
+	case NL80211_IFTYPE_UNSPECIFIED:
+	case __NL80211_IFTYPE_AFTER_LAST:
+		/* cannot happen */
+		WARN_ON(1);
+		break;
+	}
+
+	if (local->open_count == 0) {
+		res = 0;
+		if (local->ops->start)
+			res = local->ops->start(local_to_hw(local));
+		if (res)
+			goto err_del_bss;
+		need_hw_reconfig = 1;
+		ieee80211_led_radio(local, local->hw.conf.radio_enabled);
+	}
+
+	/*
+	 * Check all interfaces and copy the hopefully now-present
+	 * MAC address to those that have the special null one.
+	 */
+	list_for_each_entry(nsdata, &local->interfaces, list) {
+		struct net_device *ndev = nsdata->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)
+			memcpy(ndev->dev_addr,
+			       local->hw.wiphy->perm_addr,
+			       ETH_ALEN);
+	}
+
+	if (compare_ether_addr(null_addr, local->mdev->dev_addr) == 0)
+		memcpy(local->mdev->dev_addr, local->hw.wiphy->perm_addr,
+		       ETH_ALEN);
+
+	/*
+	 * Validate the MAC address for this device.
+	 */
+	if (!is_valid_ether_addr(dev->dev_addr)) {
+		if (!local->open_count && local->ops->stop)
+			local->ops->stop(local_to_hw(local));
+		return -EADDRNOTAVAIL;
+	}
+
+	switch (sdata->vif.type) {
+	case NL80211_IFTYPE_AP_VLAN:
+		/* no need to tell driver */
+		break;
+	case NL80211_IFTYPE_MONITOR:
+		if (sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES) {
+			local->cooked_mntrs++;
+			break;
+		}
+
+		/* must be before the call to ieee80211_configure_filter */
+		local->monitors++;
+		if (local->monitors == 1)
+			local->hw.conf.flags |= IEEE80211_CONF_RADIOTAP;
+
+		if (sdata->u.mntr_flags & MONITOR_FLAG_FCSFAIL)
+			local->fif_fcsfail++;
+		if (sdata->u.mntr_flags & MONITOR_FLAG_PLCPFAIL)
+			local->fif_plcpfail++;
+		if (sdata->u.mntr_flags & MONITOR_FLAG_CONTROL)
+			local->fif_control++;
+		if (sdata->u.mntr_flags & MONITOR_FLAG_OTHER_BSS)
+			local->fif_other_bss++;
+
+		netif_addr_lock_bh(local->mdev);
+		ieee80211_configure_filter(local);
+		netif_addr_unlock_bh(local->mdev);
+		break;
+	case NL80211_IFTYPE_STATION:
+	case NL80211_IFTYPE_ADHOC:
+		sdata->u.sta.flags &= ~IEEE80211_STA_PREV_BSSID_SET;
+		/* fall through */
+	default:
+		conf.vif = &sdata->vif;
+		conf.type = sdata->vif.type;
+		conf.mac_addr = dev->dev_addr;
+		res = local->ops->add_interface(local_to_hw(local), &conf);
+		if (res)
+			goto err_stop;
+
+		if (ieee80211_vif_is_mesh(&sdata->vif))
+			ieee80211_start_mesh(sdata);
+		changed |= ieee80211_reset_erp_info(sdata);
+		ieee80211_bss_info_change_notify(sdata, changed);
+		ieee80211_enable_keys(sdata);
+
+		if (sdata->vif.type == NL80211_IFTYPE_STATION &&
+		    !(sdata->flags & IEEE80211_SDATA_USERSPACE_MLME))
+			netif_carrier_off(dev);
+		else
+			netif_carrier_on(dev);
+	}
+
+	if (sdata->vif.type == NL80211_IFTYPE_WDS) {
+		/* Create STA entry for the WDS peer */
+		sta = sta_info_alloc(sdata, sdata->u.wds.remote_addr,
+				     GFP_KERNEL);
+		if (!sta) {
+			res = -ENOMEM;
+			goto err_del_interface;
+		}
+
+		/* no locking required since STA is not live yet */
+		sta->flags |= WLAN_STA_AUTHORIZED;
+
+		res = sta_info_insert(sta);
+		if (res) {
+			/* STA has been freed */
+			goto err_del_interface;
+		}
+	}
+
+	if (local->open_count == 0) {
+		res = dev_open(local->mdev);
+		WARN_ON(res);
+		if (res)
+			goto err_del_interface;
+		tasklet_enable(&local->tx_pending_tasklet);
+		tasklet_enable(&local->tasklet);
+	}
+
+	/*
+	 * set_multicast_list will be invoked by the networking core
+	 * which will check whether any increments here were done in
+	 * error and sync them down to the hardware as filter flags.
+	 */
+	if (sdata->flags & IEEE80211_SDATA_ALLMULTI)
+		atomic_inc(&local->iff_allmultis);
+
+	if (sdata->flags & IEEE80211_SDATA_PROMISC)
+		atomic_inc(&local->iff_promiscs);
+
+	local->open_count++;
+	if (need_hw_reconfig) {
+		ieee80211_hw_config(local);
+		/*
+		 * set default queue parameters so drivers don't
+		 * need to initialise the hardware if the hardware
+		 * doesn't start up with sane defaults
+		 */
+		ieee80211_set_wmm_default(sdata);
+	}
+
+	/*
+	 * ieee80211_sta_work is disabled while network interface
+	 * is down. Therefore, some configuration changes may not
+	 * yet be effective. Trigger execution of ieee80211_sta_work
+	 * to fix this.
+	 */
+	if (sdata->vif.type == NL80211_IFTYPE_STATION ||
+	    sdata->vif.type == NL80211_IFTYPE_ADHOC) {
+		struct ieee80211_if_sta *ifsta = &sdata->u.sta;
+		queue_work(local->hw.workqueue, &ifsta->work);
+	}
+
+	netif_tx_start_all_queues(dev);
+
+	return 0;
+ err_del_interface:
+	local->ops->remove_interface(local_to_hw(local), &conf);
+ err_stop:
+	if (!local->open_count && local->ops->stop)
+		local->ops->stop(local_to_hw(local));
+ err_del_bss:
+	sdata->bss = NULL;
+	if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
+		list_del(&sdata->u.vlan.list);
+	return res;
+}
+
+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;
+
+	/*
+	 * Stop TX on this interface first.
+	 */
+	netif_tx_stop_all_queues(dev);
+
+	/*
+	 * Now delete all active aggregation sessions.
+	 */
+	rcu_read_lock();
+
+	list_for_each_entry_rcu(sta, &local->sta_list, list) {
+		if (sta->sdata == sdata)
+			ieee80211_sta_tear_down_BA_sessions(sdata,
+							    sta->sta.addr);
+	}
+
+	rcu_read_unlock();
+
+	/*
+	 * Remove all stations associated with this interface.
+	 *
+	 * This must be done before calling ops->remove_interface()
+	 * because otherwise we can later invoke ops->sta_notify()
+	 * whenever the STAs are removed, and that invalidates driver
+	 * assumptions about always getting a vif pointer that is valid
+	 * (because if we remove a STA after ops->remove_interface()
+	 * the driver will have removed the vif info already!)
+	 *
+	 * We could relax this and only unlink the stations from the
+	 * hash table and list but keep them on a per-sdata list that
+	 * will be inserted back again when the interface is brought
+	 * up again, but I don't currently see a use case for that,
+	 * except with WDS which gets a STA entry created when it is
+	 * brought up.
+	 */
+	sta_info_flush(local, sdata);
+
+	/*
+	 * Don't count this interface for promisc/allmulti while it
+	 * is down. dev_mc_unsync() will invoke set_multicast_list
+	 * on the master interface which will sync these down to the
+	 * hardware as filter flags.
+	 */
+	if (sdata->flags & IEEE80211_SDATA_ALLMULTI)
+		atomic_dec(&local->iff_allmultis);
+
+	if (sdata->flags & IEEE80211_SDATA_PROMISC)
+		atomic_dec(&local->iff_promiscs);
+
+	dev_mc_unsync(local->mdev, dev);
+
+	/* APs need special treatment */
+	if (sdata->vif.type == NL80211_IFTYPE_AP) {
+		struct ieee80211_sub_if_data *vlan, *tmp;
+		struct beacon_data *old_beacon = sdata->u.ap.beacon;
+
+		/* remove beacon */
+		rcu_assign_pointer(sdata->u.ap.beacon, NULL);
+		synchronize_rcu();
+		kfree(old_beacon);
+
+		/* down all dependent devices, that is VLANs */
+		list_for_each_entry_safe(vlan, tmp, &sdata->u.ap.vlans,
+					 u.vlan.list)
+			dev_close(vlan->dev);
+		WARN_ON(!list_empty(&sdata->u.ap.vlans));
+	}
+
+	local->open_count--;
+
+	switch (sdata->vif.type) {
+	case NL80211_IFTYPE_AP_VLAN:
+		list_del(&sdata->u.vlan.list);
+		/* no need to tell driver */
+		break;
+	case NL80211_IFTYPE_MONITOR:
+		if (sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES) {
+			local->cooked_mntrs--;
+			break;
+		}
+
+		local->monitors--;
+		if (local->monitors == 0)
+			local->hw.conf.flags &= ~IEEE80211_CONF_RADIOTAP;
+
+		if (sdata->u.mntr_flags & MONITOR_FLAG_FCSFAIL)
+			local->fif_fcsfail--;
+		if (sdata->u.mntr_flags & MONITOR_FLAG_PLCPFAIL)
+			local->fif_plcpfail--;
+		if (sdata->u.mntr_flags & MONITOR_FLAG_CONTROL)
+			local->fif_control--;
+		if (sdata->u.mntr_flags & MONITOR_FLAG_OTHER_BSS)
+			local->fif_other_bss--;
+
+		netif_addr_lock_bh(local->mdev);
+		ieee80211_configure_filter(local);
+		netif_addr_unlock_bh(local->mdev);
+		break;
+	case NL80211_IFTYPE_STATION:
+	case NL80211_IFTYPE_ADHOC:
+		sdata->u.sta.state = IEEE80211_STA_MLME_DISABLED;
+		memset(sdata->u.sta.bssid, 0, ETH_ALEN);
+		del_timer_sync(&sdata->u.sta.timer);
+		/*
+		 * If the timer fired while we waited for it, it will have
+		 * requeued the work. Now the work will be running again
+		 * but will not rearm the timer again because it checks
+		 * whether the interface is running, which, at this point,
+		 * it no longer is.
+		 */
+		cancel_work_sync(&sdata->u.sta.work);
+		/*
+		 * When we get here, the interface is marked down.
+		 * Call synchronize_rcu() to wait for the RX path
+		 * should it be using the interface and enqueuing
+		 * frames at this very time on another CPU.
+		 */
+		synchronize_rcu();
+		skb_queue_purge(&sdata->u.sta.skb_queue);
+
+		sdata->u.sta.flags &= ~IEEE80211_STA_PRIVACY_INVOKED;
+		kfree(sdata->u.sta.extra_ie);
+		sdata->u.sta.extra_ie = NULL;
+		sdata->u.sta.extra_ie_len = 0;
+		/* fall through */
+	case NL80211_IFTYPE_MESH_POINT:
+		if (ieee80211_vif_is_mesh(&sdata->vif)) {
+			/* allmulti is always set on mesh ifaces */
+			atomic_dec(&local->iff_allmultis);
+			ieee80211_stop_mesh(sdata);
+		}
+		/* fall through */
+	default:
+		if (local->scan_sdata == sdata) {
+			if (!local->ops->hw_scan)
+				cancel_delayed_work_sync(&local->scan_work);
+			/*
+			 * The software scan can no longer run now, so we can
+			 * clear out the scan_sdata reference. However, the
+			 * hardware scan may still be running. The complete
+			 * function must be prepared to handle a NULL value.
+			 */
+			local->scan_sdata = NULL;
+			/*
+			 * The memory barrier guarantees that another CPU
+			 * that is hardware-scanning will now see the fact
+			 * that this interface is gone.
+			 */
+			smp_mb();
+			/*
+			 * If software scanning, complete the scan but since
+			 * the scan_sdata is NULL already don't send out a
+			 * scan event to userspace -- the scan is incomplete.
+			 */
+			if (local->sw_scanning)
+				ieee80211_scan_completed(&local->hw);
+		}
+
+		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);
+		local->ops->remove_interface(local_to_hw(local), &conf);
+	}
+
+	sdata->bss = NULL;
+
+	if (local->open_count == 0) {
+		if (netif_running(local->mdev))
+			dev_close(local->mdev);
+
+		if (local->ops->stop)
+			local->ops->stop(local_to_hw(local));
+
+		ieee80211_led_radio(local, 0);
+
+		flush_workqueue(local->hw.workqueue);
+
+		tasklet_disable(&local->tx_pending_tasklet);
+		tasklet_disable(&local->tasklet);
+	}
+
+	return 0;
+}
+
+static void ieee80211_set_multicast_list(struct net_device *dev)
+{
+	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+	struct ieee80211_local *local = sdata->local;
+	int allmulti, promisc, sdata_allmulti, sdata_promisc;
+
+	allmulti = !!(dev->flags & IFF_ALLMULTI);
+	promisc = !!(dev->flags & IFF_PROMISC);
+	sdata_allmulti = !!(sdata->flags & IEEE80211_SDATA_ALLMULTI);
+	sdata_promisc = !!(sdata->flags & IEEE80211_SDATA_PROMISC);
+
+	if (allmulti != sdata_allmulti) {
+		if (dev->flags & IFF_ALLMULTI)
+			atomic_inc(&local->iff_allmultis);
+		else
+			atomic_dec(&local->iff_allmultis);
+		sdata->flags ^= IEEE80211_SDATA_ALLMULTI;
+	}
+
+	if (promisc != sdata_promisc) {
+		if (dev->flags & IFF_PROMISC)
+			atomic_inc(&local->iff_promiscs);
+		else
+			atomic_dec(&local->iff_promiscs);
+		sdata->flags ^= IEEE80211_SDATA_PROMISC;
+	}
+
+	dev_mc_sync(local->mdev, dev);
+}
 
+static void ieee80211_if_setup(struct net_device *dev)
+{
+	ether_setup(dev);
+	dev->hard_start_xmit = ieee80211_subif_start_xmit;
+	dev->wireless_handlers = &ieee80211_iw_handler_def;
+	dev->set_multicast_list = ieee80211_set_multicast_list;
+	dev->change_mtu = ieee80211_change_mtu;
+	dev->open = ieee80211_open;
+	dev->stop = ieee80211_stop;
+	dev->destructor = free_netdev;
+	/* we will validate the address ourselves in ->open */
+	dev->validate_addr = NULL;
+}
 /*
  * Called when the netdev is removed or, by the code below, before
  * the interface type changes.
@@ -31,17 +565,17 @@ static void ieee80211_teardown_sdata(struct net_device *dev)
 	int flushed;
 	int i;
 
-	ieee80211_debugfs_remove_netdev(sdata);
-
 	/* free extra data */
 	ieee80211_free_keys(sdata);
 
+	ieee80211_debugfs_remove_netdev(sdata);
+
 	for (i = 0; i < IEEE80211_FRAGMENT_MAX; i++)
 		__skb_queue_purge(&sdata->fragments[i].skb_list);
 	sdata->fragment_next = 0;
 
 	switch (sdata->vif.type) {
-	case IEEE80211_IF_TYPE_AP:
+	case NL80211_IFTYPE_AP:
 		beacon = sdata->u.ap.beacon;
 		rcu_assign_pointer(sdata->u.ap.beacon, NULL);
 		synchronize_rcu();
@@ -53,23 +587,23 @@ static void ieee80211_teardown_sdata(struct net_device *dev)
 		}
 
 		break;
-	case IEEE80211_IF_TYPE_MESH_POINT:
-		/* Allow compiler to elide mesh_rmc_free call. */
+	case NL80211_IFTYPE_MESH_POINT:
 		if (ieee80211_vif_is_mesh(&sdata->vif))
-			mesh_rmc_free(dev);
-		/* fall through */
-	case IEEE80211_IF_TYPE_STA:
-	case IEEE80211_IF_TYPE_IBSS:
+			mesh_rmc_free(sdata);
+		break;
+	case NL80211_IFTYPE_STATION:
+	case NL80211_IFTYPE_ADHOC:
 		kfree(sdata->u.sta.extra_ie);
 		kfree(sdata->u.sta.assocreq_ies);
 		kfree(sdata->u.sta.assocresp_ies);
 		kfree_skb(sdata->u.sta.probe_resp);
 		break;
-	case IEEE80211_IF_TYPE_WDS:
-	case IEEE80211_IF_TYPE_VLAN:
-	case IEEE80211_IF_TYPE_MNTR:
+	case NL80211_IFTYPE_WDS:
+	case NL80211_IFTYPE_AP_VLAN:
+	case NL80211_IFTYPE_MONITOR:
 		break;
-	case IEEE80211_IF_TYPE_INVALID:
+	case NL80211_IFTYPE_UNSPECIFIED:
+	case __NL80211_IFTYPE_AFTER_LAST:
 		BUG();
 		break;
 	}
@@ -82,55 +616,43 @@ static void ieee80211_teardown_sdata(struct net_device *dev)
  * Helper function to initialise an interface to a specific type.
  */
 static void ieee80211_setup_sdata(struct ieee80211_sub_if_data *sdata,
-				  enum ieee80211_if_types type)
+				  enum nl80211_iftype type)
 {
-	struct ieee80211_if_sta *ifsta;
-
 	/* clear type-dependent union */
 	memset(&sdata->u, 0, sizeof(sdata->u));
 
 	/* and set some type-dependent values */
 	sdata->vif.type = type;
+	sdata->dev->hard_start_xmit = ieee80211_subif_start_xmit;
+	sdata->wdev.iftype = type;
 
 	/* only monitor differs */
 	sdata->dev->type = ARPHRD_ETHER;
 
 	switch (type) {
-	case IEEE80211_IF_TYPE_AP:
+	case NL80211_IFTYPE_AP:
 		skb_queue_head_init(&sdata->u.ap.ps_bc_buf);
 		INIT_LIST_HEAD(&sdata->u.ap.vlans);
 		break;
-	case IEEE80211_IF_TYPE_MESH_POINT:
-	case IEEE80211_IF_TYPE_STA:
-	case IEEE80211_IF_TYPE_IBSS:
-		ifsta = &sdata->u.sta;
-		INIT_WORK(&ifsta->work, ieee80211_sta_work);
-		setup_timer(&ifsta->timer, ieee80211_sta_timer,
-			    (unsigned long) sdata);
-		skb_queue_head_init(&ifsta->skb_queue);
-
-		ifsta->capab = WLAN_CAPABILITY_ESS;
-		ifsta->auth_algs = IEEE80211_AUTH_ALG_OPEN |
-			IEEE80211_AUTH_ALG_SHARED_KEY;
-		ifsta->flags |= IEEE80211_STA_CREATE_IBSS |
-			IEEE80211_STA_AUTO_BSSID_SEL |
-			IEEE80211_STA_AUTO_CHANNEL_SEL;
-		if (ieee80211_num_regular_queues(&sdata->local->hw) >= 4)
-			ifsta->flags |= IEEE80211_STA_WMM_ENABLED;
-
+	case NL80211_IFTYPE_STATION:
+	case NL80211_IFTYPE_ADHOC:
+		ieee80211_sta_setup_sdata(sdata);
+		break;
+	case NL80211_IFTYPE_MESH_POINT:
 		if (ieee80211_vif_is_mesh(&sdata->vif))
 			ieee80211_mesh_init_sdata(sdata);
 		break;
-	case IEEE80211_IF_TYPE_MNTR:
+	case NL80211_IFTYPE_MONITOR:
 		sdata->dev->type = ARPHRD_IEEE80211_RADIOTAP;
 		sdata->dev->hard_start_xmit = ieee80211_monitor_start_xmit;
 		sdata->u.mntr_flags = MONITOR_FLAG_CONTROL |
 				      MONITOR_FLAG_OTHER_BSS;
 		break;
-	case IEEE80211_IF_TYPE_WDS:
-	case IEEE80211_IF_TYPE_VLAN:
+	case NL80211_IFTYPE_WDS:
+	case NL80211_IFTYPE_AP_VLAN:
 		break;
-	case IEEE80211_IF_TYPE_INVALID:
+	case NL80211_IFTYPE_UNSPECIFIED:
+	case __NL80211_IFTYPE_AFTER_LAST:
 		BUG();
 		break;
 	}
@@ -139,7 +661,7 @@ static void ieee80211_setup_sdata(struct ieee80211_sub_if_data *sdata,
 }
 
 int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata,
-			     enum ieee80211_if_types type)
+			     enum nl80211_iftype type)
 {
 	ASSERT_RTNL();
 
@@ -160,14 +682,16 @@ int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata,
 	ieee80211_setup_sdata(sdata, type);
 
 	/* reset some values that shouldn't be kept across type changes */
-	sdata->basic_rates = 0;
+	sdata->bss_conf.basic_rates =
+		ieee80211_mandatory_rates(sdata->local,
+			sdata->local->hw.conf.channel->band);
 	sdata->drop_unencrypted = 0;
 
 	return 0;
 }
 
 int ieee80211_if_add(struct ieee80211_local *local, const char *name,
-		     struct net_device **new_dev, enum ieee80211_if_types type,
+		     struct net_device **new_dev, enum nl80211_iftype type,
 		     struct vif_params *params)
 {
 	struct net_device *ndev;
@@ -225,9 +749,9 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name,
 
 	if (ieee80211_vif_is_mesh(&sdata->vif) &&
 	    params && params->mesh_id_len)
-		ieee80211_if_sta_set_mesh_id(&sdata->u.sta,
-					     params->mesh_id_len,
-					     params->mesh_id);
+		ieee80211_sdata_set_mesh_id(sdata,
+					    params->mesh_id_len,
+					    params->mesh_id);
 
 	list_add_tail_rcu(&sdata->list, &local->interfaces);
 
@@ -241,15 +765,13 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name,
 	return ret;
 }
 
-void ieee80211_if_remove(struct net_device *dev)
+void ieee80211_if_remove(struct ieee80211_sub_if_data *sdata)
 {
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
 	ASSERT_RTNL();
 
 	list_del_rcu(&sdata->list);
 	synchronize_rcu();
-	unregister_netdevice(dev);
+	unregister_netdevice(sdata->dev);
 }
 
 /*
diff --git a/net/mac80211/key.c b/net/mac80211/key.c
index 6597c779e35..a5b06fe7198 100644
--- a/net/mac80211/key.c
+++ b/net/mac80211/key.c
@@ -118,12 +118,12 @@ static const u8 *get_mac_for_key(struct ieee80211_key *key)
 	 * address to indicate a transmit-only key.
 	 */
 	if (key->conf.alg != ALG_WEP &&
-	    (key->sdata->vif.type == IEEE80211_IF_TYPE_AP ||
-	     key->sdata->vif.type == IEEE80211_IF_TYPE_VLAN))
+	    (key->sdata->vif.type == NL80211_IFTYPE_AP ||
+	     key->sdata->vif.type == NL80211_IFTYPE_AP_VLAN))
 		addr = zero_addr;
 
 	if (key->sta)
-		addr = key->sta->addr;
+		addr = key->sta->sta.addr;
 
 	return addr;
 }
@@ -281,6 +281,20 @@ struct ieee80211_key *ieee80211_key_alloc(enum ieee80211_key_alg alg,
 	key->conf.alg = alg;
 	key->conf.keyidx = idx;
 	key->conf.keylen = key_len;
+	switch (alg) {
+	case ALG_WEP:
+		key->conf.iv_len = WEP_IV_LEN;
+		key->conf.icv_len = WEP_ICV_LEN;
+		break;
+	case ALG_TKIP:
+		key->conf.iv_len = TKIP_IV_LEN;
+		key->conf.icv_len = TKIP_ICV_LEN;
+		break;
+	case ALG_CCMP:
+		key->conf.iv_len = CCMP_HDR_LEN;
+		key->conf.icv_len = CCMP_MIC_LEN;
+		break;
+	}
 	memcpy(key->conf.key, key_data, key_len);
 	INIT_LIST_HEAD(&key->list);
 	INIT_LIST_HEAD(&key->todo);
@@ -331,7 +345,7 @@ void ieee80211_key_link(struct ieee80211_key *key,
 		 */
 		key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
 	} else {
-		if (sdata->vif.type == IEEE80211_IF_TYPE_STA) {
+		if (sdata->vif.type == NL80211_IFTYPE_STATION) {
 			struct sta_info *ap;
 
 			/*
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index aa5a191598c..ae62ad40ad6 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -45,16 +45,9 @@ struct ieee80211_tx_status_rtap_hdr {
 	u8 data_retries;
 } __attribute__ ((packed));
 
-/* common interface routines */
-
-static int header_parse_80211(const struct sk_buff *skb, unsigned char *haddr)
-{
-	memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN); /* addr2 */
-	return ETH_ALEN;
-}
 
 /* must be called under mdev tx lock */
-static void ieee80211_configure_filter(struct ieee80211_local *local)
+void ieee80211_configure_filter(struct ieee80211_local *local)
 {
 	unsigned int changed_flags;
 	unsigned int new_flags = 0;
@@ -97,9 +90,24 @@ static void ieee80211_configure_filter(struct ieee80211_local *local)
 
 /* master interface */
 
+static int header_parse_80211(const struct sk_buff *skb, unsigned char *haddr)
+{
+	memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN); /* addr2 */
+	return ETH_ALEN;
+}
+
+static const struct header_ops ieee80211_header_ops = {
+	.create		= eth_header,
+	.parse		= header_parse_80211,
+	.rebuild	= eth_rebuild_header,
+	.cache		= eth_header_cache,
+	.cache_update	= eth_header_cache_update,
+};
+
 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;
 
@@ -121,7 +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 */
@@ -134,849 +143,12 @@ 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);
 }
 
-/* regular interfaces */
-
-static int ieee80211_change_mtu(struct net_device *dev, int new_mtu)
-{
-	int meshhdrlen;
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
-	meshhdrlen = (sdata->vif.type == IEEE80211_IF_TYPE_MESH_POINT) ? 5 : 0;
-
-	/* FIX: what would be proper limits for MTU?
-	 * This interface uses 802.3 frames. */
-	if (new_mtu < 256 ||
-	    new_mtu > IEEE80211_MAX_DATA_LEN - 24 - 6 - meshhdrlen) {
-		return -EINVAL;
-	}
-
-#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
-	printk(KERN_DEBUG "%s: setting MTU %d\n", dev->name, new_mtu);
-#endif /* CONFIG_MAC80211_VERBOSE_DEBUG */
-	dev->mtu = new_mtu;
-	return 0;
-}
-
-static inline int identical_mac_addr_allowed(int type1, int type2)
-{
-	return (type1 == IEEE80211_IF_TYPE_MNTR ||
-		type2 == IEEE80211_IF_TYPE_MNTR ||
-		(type1 == IEEE80211_IF_TYPE_AP &&
-		 type2 == IEEE80211_IF_TYPE_WDS) ||
-		(type1 == IEEE80211_IF_TYPE_WDS &&
-		 (type2 == IEEE80211_IF_TYPE_WDS ||
-		  type2 == IEEE80211_IF_TYPE_AP)) ||
-		(type1 == IEEE80211_IF_TYPE_AP &&
-		 type2 == IEEE80211_IF_TYPE_VLAN) ||
-		(type1 == IEEE80211_IF_TYPE_VLAN &&
-		 (type2 == IEEE80211_IF_TYPE_AP ||
-		  type2 == IEEE80211_IF_TYPE_VLAN)));
-}
-
-static int ieee80211_open(struct net_device *dev)
-{
-	struct ieee80211_sub_if_data *sdata, *nsdata;
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct sta_info *sta;
-	struct ieee80211_if_init_conf conf;
-	u32 changed = 0;
-	int res;
-	bool need_hw_reconfig = 0;
-
-	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
-	/* we hold the RTNL here so can safely walk the list */
-	list_for_each_entry(nsdata, &local->interfaces, list) {
-		struct net_device *ndev = nsdata->dev;
-
-		if (ndev != dev && netif_running(ndev)) {
-			/*
-			 * Allow only a single IBSS interface to be up at any
-			 * time. This is restricted because beacon distribution
-			 * cannot work properly if both are in the same IBSS.
-			 *
-			 * To remove this restriction we'd have to disallow them
-			 * from setting the same SSID on different IBSS interfaces
-			 * belonging to the same hardware. Then, however, we're
-			 * faced with having to adopt two different TSF timers...
-			 */
-			if (sdata->vif.type == IEEE80211_IF_TYPE_IBSS &&
-			    nsdata->vif.type == IEEE80211_IF_TYPE_IBSS)
-				return -EBUSY;
-
-			/*
-			 * The remaining checks are only performed for interfaces
-			 * with the same MAC address.
-			 */
-			if (compare_ether_addr(dev->dev_addr, ndev->dev_addr))
-				continue;
-
-			/*
-			 * check whether it may have the same address
-			 */
-			if (!identical_mac_addr_allowed(sdata->vif.type,
-							nsdata->vif.type))
-				return -ENOTUNIQ;
-
-			/*
-			 * can only add VLANs to enabled APs
-			 */
-			if (sdata->vif.type == IEEE80211_IF_TYPE_VLAN &&
-			    nsdata->vif.type == IEEE80211_IF_TYPE_AP)
-				sdata->bss = &nsdata->u.ap;
-		}
-	}
-
-	switch (sdata->vif.type) {
-	case IEEE80211_IF_TYPE_WDS:
-		if (!is_valid_ether_addr(sdata->u.wds.remote_addr))
-			return -ENOLINK;
-		break;
-	case IEEE80211_IF_TYPE_VLAN:
-		if (!sdata->bss)
-			return -ENOLINK;
-		list_add(&sdata->u.vlan.list, &sdata->bss->vlans);
-		break;
-	case IEEE80211_IF_TYPE_AP:
-		sdata->bss = &sdata->u.ap;
-		break;
-	case IEEE80211_IF_TYPE_MESH_POINT:
-		/* mesh ifaces must set allmulti to forward mcast traffic */
-		atomic_inc(&local->iff_allmultis);
-		break;
-	case IEEE80211_IF_TYPE_STA:
-	case IEEE80211_IF_TYPE_MNTR:
-	case IEEE80211_IF_TYPE_IBSS:
-		/* no special treatment */
-		break;
-	case IEEE80211_IF_TYPE_INVALID:
-		/* cannot happen */
-		WARN_ON(1);
-		break;
-	}
-
-	if (local->open_count == 0) {
-		res = 0;
-		if (local->ops->start)
-			res = local->ops->start(local_to_hw(local));
-		if (res)
-			goto err_del_bss;
-		need_hw_reconfig = 1;
-		ieee80211_led_radio(local, local->hw.conf.radio_enabled);
-	}
-
-	switch (sdata->vif.type) {
-	case IEEE80211_IF_TYPE_VLAN:
-		/* no need to tell driver */
-		break;
-	case IEEE80211_IF_TYPE_MNTR:
-		if (sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES) {
-			local->cooked_mntrs++;
-			break;
-		}
-
-		/* must be before the call to ieee80211_configure_filter */
-		local->monitors++;
-		if (local->monitors == 1)
-			local->hw.conf.flags |= IEEE80211_CONF_RADIOTAP;
-
-		if (sdata->u.mntr_flags & MONITOR_FLAG_FCSFAIL)
-			local->fif_fcsfail++;
-		if (sdata->u.mntr_flags & MONITOR_FLAG_PLCPFAIL)
-			local->fif_plcpfail++;
-		if (sdata->u.mntr_flags & MONITOR_FLAG_CONTROL)
-			local->fif_control++;
-		if (sdata->u.mntr_flags & MONITOR_FLAG_OTHER_BSS)
-			local->fif_other_bss++;
-
-		netif_addr_lock_bh(local->mdev);
-		ieee80211_configure_filter(local);
-		netif_addr_unlock_bh(local->mdev);
-		break;
-	case IEEE80211_IF_TYPE_STA:
-	case IEEE80211_IF_TYPE_IBSS:
-		sdata->u.sta.flags &= ~IEEE80211_STA_PREV_BSSID_SET;
-		/* fall through */
-	default:
-		conf.vif = &sdata->vif;
-		conf.type = sdata->vif.type;
-		conf.mac_addr = dev->dev_addr;
-		res = local->ops->add_interface(local_to_hw(local), &conf);
-		if (res)
-			goto err_stop;
-
-		if (ieee80211_vif_is_mesh(&sdata->vif))
-			ieee80211_start_mesh(sdata->dev);
-		changed |= ieee80211_reset_erp_info(dev);
-		ieee80211_bss_info_change_notify(sdata, changed);
-		ieee80211_enable_keys(sdata);
-
-		if (sdata->vif.type == IEEE80211_IF_TYPE_STA &&
-		    !(sdata->flags & IEEE80211_SDATA_USERSPACE_MLME))
-			netif_carrier_off(dev);
-		else
-			netif_carrier_on(dev);
-	}
-
-	if (sdata->vif.type == IEEE80211_IF_TYPE_WDS) {
-		/* Create STA entry for the WDS peer */
-		sta = sta_info_alloc(sdata, sdata->u.wds.remote_addr,
-				     GFP_KERNEL);
-		if (!sta) {
-			res = -ENOMEM;
-			goto err_del_interface;
-		}
-
-		/* no locking required since STA is not live yet */
-		sta->flags |= WLAN_STA_AUTHORIZED;
-
-		res = sta_info_insert(sta);
-		if (res) {
-			/* STA has been freed */
-			goto err_del_interface;
-		}
-	}
-
-	if (local->open_count == 0) {
-		res = dev_open(local->mdev);
-		WARN_ON(res);
-		if (res)
-			goto err_del_interface;
-		tasklet_enable(&local->tx_pending_tasklet);
-		tasklet_enable(&local->tasklet);
-	}
-
-	/*
-	 * set_multicast_list will be invoked by the networking core
-	 * which will check whether any increments here were done in
-	 * error and sync them down to the hardware as filter flags.
-	 */
-	if (sdata->flags & IEEE80211_SDATA_ALLMULTI)
-		atomic_inc(&local->iff_allmultis);
-
-	if (sdata->flags & IEEE80211_SDATA_PROMISC)
-		atomic_inc(&local->iff_promiscs);
-
-	local->open_count++;
-	if (need_hw_reconfig)
-		ieee80211_hw_config(local);
-
-	/*
-	 * ieee80211_sta_work is disabled while network interface
-	 * is down. Therefore, some configuration changes may not
-	 * yet be effective. Trigger execution of ieee80211_sta_work
-	 * to fix this.
-	 */
-	if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
-	    sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
-		struct ieee80211_if_sta *ifsta = &sdata->u.sta;
-		queue_work(local->hw.workqueue, &ifsta->work);
-	}
-
-	netif_tx_start_all_queues(dev);
-
-	return 0;
- err_del_interface:
-	local->ops->remove_interface(local_to_hw(local), &conf);
- err_stop:
-	if (!local->open_count && local->ops->stop)
-		local->ops->stop(local_to_hw(local));
- err_del_bss:
-	sdata->bss = NULL;
-	if (sdata->vif.type == IEEE80211_IF_TYPE_VLAN)
-		list_del(&sdata->u.vlan.list);
-	return res;
-}
-
-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;
-
-	/*
-	 * Stop TX on this interface first.
-	 */
-	netif_tx_stop_all_queues(dev);
-
-	/*
-	 * Now delete all active aggregation sessions.
-	 */
-	rcu_read_lock();
-
-	list_for_each_entry_rcu(sta, &local->sta_list, list) {
-		if (sta->sdata == sdata)
-			ieee80211_sta_tear_down_BA_sessions(dev, sta->addr);
-	}
-
-	rcu_read_unlock();
-
-	/*
-	 * Remove all stations associated with this interface.
-	 *
-	 * This must be done before calling ops->remove_interface()
-	 * because otherwise we can later invoke ops->sta_notify()
-	 * whenever the STAs are removed, and that invalidates driver
-	 * assumptions about always getting a vif pointer that is valid
-	 * (because if we remove a STA after ops->remove_interface()
-	 * the driver will have removed the vif info already!)
-	 *
-	 * We could relax this and only unlink the stations from the
-	 * hash table and list but keep them on a per-sdata list that
-	 * will be inserted back again when the interface is brought
-	 * up again, but I don't currently see a use case for that,
-	 * except with WDS which gets a STA entry created when it is
-	 * brought up.
-	 */
-	sta_info_flush(local, sdata);
-
-	/*
-	 * Don't count this interface for promisc/allmulti while it
-	 * is down. dev_mc_unsync() will invoke set_multicast_list
-	 * on the master interface which will sync these down to the
-	 * hardware as filter flags.
-	 */
-	if (sdata->flags & IEEE80211_SDATA_ALLMULTI)
-		atomic_dec(&local->iff_allmultis);
-
-	if (sdata->flags & IEEE80211_SDATA_PROMISC)
-		atomic_dec(&local->iff_promiscs);
-
-	dev_mc_unsync(local->mdev, dev);
-
-	/* APs need special treatment */
-	if (sdata->vif.type == IEEE80211_IF_TYPE_AP) {
-		struct ieee80211_sub_if_data *vlan, *tmp;
-		struct beacon_data *old_beacon = sdata->u.ap.beacon;
-
-		/* remove beacon */
-		rcu_assign_pointer(sdata->u.ap.beacon, NULL);
-		synchronize_rcu();
-		kfree(old_beacon);
-
-		/* down all dependent devices, that is VLANs */
-		list_for_each_entry_safe(vlan, tmp, &sdata->u.ap.vlans,
-					 u.vlan.list)
-			dev_close(vlan->dev);
-		WARN_ON(!list_empty(&sdata->u.ap.vlans));
-	}
-
-	local->open_count--;
-
-	switch (sdata->vif.type) {
-	case IEEE80211_IF_TYPE_VLAN:
-		list_del(&sdata->u.vlan.list);
-		/* no need to tell driver */
-		break;
-	case IEEE80211_IF_TYPE_MNTR:
-		if (sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES) {
-			local->cooked_mntrs--;
-			break;
-		}
-
-		local->monitors--;
-		if (local->monitors == 0)
-			local->hw.conf.flags &= ~IEEE80211_CONF_RADIOTAP;
-
-		if (sdata->u.mntr_flags & MONITOR_FLAG_FCSFAIL)
-			local->fif_fcsfail--;
-		if (sdata->u.mntr_flags & MONITOR_FLAG_PLCPFAIL)
-			local->fif_plcpfail--;
-		if (sdata->u.mntr_flags & MONITOR_FLAG_CONTROL)
-			local->fif_control--;
-		if (sdata->u.mntr_flags & MONITOR_FLAG_OTHER_BSS)
-			local->fif_other_bss--;
-
-		netif_addr_lock_bh(local->mdev);
-		ieee80211_configure_filter(local);
-		netif_addr_unlock_bh(local->mdev);
-		break;
-	case IEEE80211_IF_TYPE_MESH_POINT:
-		/* allmulti is always set on mesh ifaces */
-		atomic_dec(&local->iff_allmultis);
-		/* fall through */
-	case IEEE80211_IF_TYPE_STA:
-	case IEEE80211_IF_TYPE_IBSS:
-		sdata->u.sta.state = IEEE80211_DISABLED;
-		memset(sdata->u.sta.bssid, 0, ETH_ALEN);
-		del_timer_sync(&sdata->u.sta.timer);
-		/*
-		 * When we get here, the interface is marked down.
-		 * Call synchronize_rcu() to wait for the RX path
-		 * should it be using the interface and enqueuing
-		 * frames at this very time on another CPU.
-		 */
-		synchronize_rcu();
-		skb_queue_purge(&sdata->u.sta.skb_queue);
-
-		if (local->scan_dev == sdata->dev) {
-			if (!local->ops->hw_scan) {
-				local->sta_sw_scanning = 0;
-				cancel_delayed_work(&local->scan_work);
-			} else
-				local->sta_hw_scanning = 0;
-		}
-
-		sdata->u.sta.flags &= ~IEEE80211_STA_PRIVACY_INVOKED;
-		kfree(sdata->u.sta.extra_ie);
-		sdata->u.sta.extra_ie = NULL;
-		sdata->u.sta.extra_ie_len = 0;
-		/* fall through */
-	default:
-		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);
-		local->ops->remove_interface(local_to_hw(local), &conf);
-	}
-
-	sdata->bss = NULL;
-
-	if (local->open_count == 0) {
-		if (netif_running(local->mdev))
-			dev_close(local->mdev);
-
-		if (local->ops->stop)
-			local->ops->stop(local_to_hw(local));
-
-		ieee80211_led_radio(local, 0);
-
-		flush_workqueue(local->hw.workqueue);
-
-		tasklet_disable(&local->tx_pending_tasklet);
-		tasklet_disable(&local->tasklet);
-	}
-
-	return 0;
-}
-
-int ieee80211_start_tx_ba_session(struct ieee80211_hw *hw, u8 *ra, u16 tid)
-{
-	struct ieee80211_local *local = hw_to_local(hw);
-	struct sta_info *sta;
-	struct ieee80211_sub_if_data *sdata;
-	u16 start_seq_num = 0;
-	u8 *state;
-	int ret;
-	DECLARE_MAC_BUF(mac);
-
-	if (tid >= STA_TID_NUM)
-		return -EINVAL;
-
-#ifdef CONFIG_MAC80211_HT_DEBUG
-	printk(KERN_DEBUG "Open BA session requested for %s tid %u\n",
-				print_mac(mac, ra), tid);
-#endif /* CONFIG_MAC80211_HT_DEBUG */
-
-	rcu_read_lock();
-
-	sta = sta_info_get(local, ra);
-	if (!sta) {
-#ifdef CONFIG_MAC80211_HT_DEBUG
-		printk(KERN_DEBUG "Could not find the station\n");
-#endif
-		ret = -ENOENT;
-		goto exit;
-	}
-
-	spin_lock_bh(&sta->lock);
-
-	/* we have tried too many times, receiver does not want A-MPDU */
-	if (sta->ampdu_mlme.addba_req_num[tid] > HT_AGG_MAX_RETRIES) {
-		ret = -EBUSY;
-		goto err_unlock_sta;
-	}
-
-	state = &sta->ampdu_mlme.tid_state_tx[tid];
-	/* check if the TID is not in aggregation flow already */
-	if (*state != HT_AGG_STATE_IDLE) {
-#ifdef CONFIG_MAC80211_HT_DEBUG
-		printk(KERN_DEBUG "BA request denied - session is not "
-				 "idle on tid %u\n", tid);
-#endif /* CONFIG_MAC80211_HT_DEBUG */
-		ret = -EAGAIN;
-		goto err_unlock_sta;
-	}
-
-	/* prepare A-MPDU MLME for Tx aggregation */
-	sta->ampdu_mlme.tid_tx[tid] =
-			kmalloc(sizeof(struct tid_ampdu_tx), GFP_ATOMIC);
-	if (!sta->ampdu_mlme.tid_tx[tid]) {
-#ifdef CONFIG_MAC80211_HT_DEBUG
-		if (net_ratelimit())
-			printk(KERN_ERR "allocate tx mlme to tid %d failed\n",
-					tid);
-#endif
-		ret = -ENOMEM;
-		goto err_unlock_sta;
-	}
-	/* Tx timer */
-	sta->ampdu_mlme.tid_tx[tid]->addba_resp_timer.function =
-			sta_addba_resp_timer_expired;
-	sta->ampdu_mlme.tid_tx[tid]->addba_resp_timer.data =
-			(unsigned long)&sta->timer_to_tid[tid];
-	init_timer(&sta->ampdu_mlme.tid_tx[tid]->addba_resp_timer);
-
-	/* create a new queue for this aggregation */
-	ret = ieee80211_ht_agg_queue_add(local, sta, tid);
-
-	/* case no queue is available to aggregation
-	 * don't switch to aggregation */
-	if (ret) {
-#ifdef CONFIG_MAC80211_HT_DEBUG
-		printk(KERN_DEBUG "BA request denied - queue unavailable for"
-					" tid %d\n", tid);
-#endif /* CONFIG_MAC80211_HT_DEBUG */
-		goto err_unlock_queue;
-	}
-	sdata = sta->sdata;
-
-	/* Ok, the Addba frame hasn't been sent yet, but if the driver calls the
-	 * call back right away, it must see that the flow has begun */
-	*state |= HT_ADDBA_REQUESTED_MSK;
-
-	if (local->ops->ampdu_action)
-		ret = local->ops->ampdu_action(hw, IEEE80211_AMPDU_TX_START,
-						ra, tid, &start_seq_num);
-
-	if (ret) {
-		/* No need to requeue the packets in the agg queue, since we
-		 * held the tx lock: no packet could be enqueued to the newly
-		 * allocated queue */
-		ieee80211_ht_agg_queue_remove(local, sta, tid, 0);
-#ifdef CONFIG_MAC80211_HT_DEBUG
-		printk(KERN_DEBUG "BA request denied - HW unavailable for"
-					" tid %d\n", tid);
-#endif /* CONFIG_MAC80211_HT_DEBUG */
-		*state = HT_AGG_STATE_IDLE;
-		goto err_unlock_queue;
-	}
-
-	/* Will put all the packets in the new SW queue */
-	ieee80211_requeue(local, ieee802_1d_to_ac[tid]);
-	spin_unlock_bh(&sta->lock);
-
-	/* send an addBA request */
-	sta->ampdu_mlme.dialog_token_allocator++;
-	sta->ampdu_mlme.tid_tx[tid]->dialog_token =
-			sta->ampdu_mlme.dialog_token_allocator;
-	sta->ampdu_mlme.tid_tx[tid]->ssn = start_seq_num;
-
-
-	ieee80211_send_addba_request(sta->sdata->dev, ra, tid,
-			 sta->ampdu_mlme.tid_tx[tid]->dialog_token,
-			 sta->ampdu_mlme.tid_tx[tid]->ssn,
-			 0x40, 5000);
-	/* activate the timer for the recipient's addBA response */
-	sta->ampdu_mlme.tid_tx[tid]->addba_resp_timer.expires =
-				jiffies + ADDBA_RESP_INTERVAL;
-	add_timer(&sta->ampdu_mlme.tid_tx[tid]->addba_resp_timer);
-#ifdef CONFIG_MAC80211_HT_DEBUG
-	printk(KERN_DEBUG "activated addBA response timer on tid %d\n", tid);
-#endif
-	goto exit;
-
-err_unlock_queue:
-	kfree(sta->ampdu_mlme.tid_tx[tid]);
-	sta->ampdu_mlme.tid_tx[tid] = NULL;
-	ret = -EBUSY;
-err_unlock_sta:
-	spin_unlock_bh(&sta->lock);
-exit:
-	rcu_read_unlock();
-	return ret;
-}
-EXPORT_SYMBOL(ieee80211_start_tx_ba_session);
-
-int ieee80211_stop_tx_ba_session(struct ieee80211_hw *hw,
-				 u8 *ra, u16 tid,
-				 enum ieee80211_back_parties initiator)
-{
-	struct ieee80211_local *local = hw_to_local(hw);
-	struct sta_info *sta;
-	u8 *state;
-	int ret = 0;
-	DECLARE_MAC_BUF(mac);
-
-	if (tid >= STA_TID_NUM)
-		return -EINVAL;
-
-	rcu_read_lock();
-	sta = sta_info_get(local, ra);
-	if (!sta) {
-		rcu_read_unlock();
-		return -ENOENT;
-	}
-
-	/* check if the TID is in aggregation */
-	state = &sta->ampdu_mlme.tid_state_tx[tid];
-	spin_lock_bh(&sta->lock);
-
-	if (*state != HT_AGG_STATE_OPERATIONAL) {
-		ret = -ENOENT;
-		goto stop_BA_exit;
-	}
-
-#ifdef CONFIG_MAC80211_HT_DEBUG
-	printk(KERN_DEBUG "Tx BA session stop requested for %s tid %u\n",
-				print_mac(mac, ra), tid);
-#endif /* CONFIG_MAC80211_HT_DEBUG */
-
-	ieee80211_stop_queue(hw, sta->tid_to_tx_q[tid]);
-
-	*state = HT_AGG_STATE_REQ_STOP_BA_MSK |
-		(initiator << HT_AGG_STATE_INITIATOR_SHIFT);
-
-	if (local->ops->ampdu_action)
-		ret = local->ops->ampdu_action(hw, IEEE80211_AMPDU_TX_STOP,
-						ra, tid, NULL);
-
-	/* case HW denied going back to legacy */
-	if (ret) {
-		WARN_ON(ret != -EBUSY);
-		*state = HT_AGG_STATE_OPERATIONAL;
-		ieee80211_wake_queue(hw, sta->tid_to_tx_q[tid]);
-		goto stop_BA_exit;
-	}
-
-stop_BA_exit:
-	spin_unlock_bh(&sta->lock);
-	rcu_read_unlock();
-	return ret;
-}
-EXPORT_SYMBOL(ieee80211_stop_tx_ba_session);
-
-void ieee80211_start_tx_ba_cb(struct ieee80211_hw *hw, u8 *ra, u16 tid)
-{
-	struct ieee80211_local *local = hw_to_local(hw);
-	struct sta_info *sta;
-	u8 *state;
-	DECLARE_MAC_BUF(mac);
-
-	if (tid >= STA_TID_NUM) {
-#ifdef CONFIG_MAC80211_HT_DEBUG
-		printk(KERN_DEBUG "Bad TID value: tid = %d (>= %d)\n",
-				tid, STA_TID_NUM);
-#endif
-		return;
-	}
-
-	rcu_read_lock();
-	sta = sta_info_get(local, ra);
-	if (!sta) {
-		rcu_read_unlock();
-#ifdef CONFIG_MAC80211_HT_DEBUG
-		printk(KERN_DEBUG "Could not find station: %s\n",
-				print_mac(mac, ra));
-#endif
-		return;
-	}
-
-	state = &sta->ampdu_mlme.tid_state_tx[tid];
-	spin_lock_bh(&sta->lock);
-
-	if (!(*state & HT_ADDBA_REQUESTED_MSK)) {
-#ifdef CONFIG_MAC80211_HT_DEBUG
-		printk(KERN_DEBUG "addBA was not requested yet, state is %d\n",
-				*state);
-#endif
-		spin_unlock_bh(&sta->lock);
-		rcu_read_unlock();
-		return;
-	}
-
-	WARN_ON_ONCE(*state & HT_ADDBA_DRV_READY_MSK);
-
-	*state |= HT_ADDBA_DRV_READY_MSK;
-
-	if (*state == HT_AGG_STATE_OPERATIONAL) {
-#ifdef CONFIG_MAC80211_HT_DEBUG
-		printk(KERN_DEBUG "Aggregation is on for tid %d \n", tid);
-#endif
-		ieee80211_wake_queue(hw, sta->tid_to_tx_q[tid]);
-	}
-	spin_unlock_bh(&sta->lock);
-	rcu_read_unlock();
-}
-EXPORT_SYMBOL(ieee80211_start_tx_ba_cb);
-
-void ieee80211_stop_tx_ba_cb(struct ieee80211_hw *hw, u8 *ra, u8 tid)
-{
-	struct ieee80211_local *local = hw_to_local(hw);
-	struct sta_info *sta;
-	u8 *state;
-	int agg_queue;
-	DECLARE_MAC_BUF(mac);
-
-	if (tid >= STA_TID_NUM) {
-#ifdef CONFIG_MAC80211_HT_DEBUG
-		printk(KERN_DEBUG "Bad TID value: tid = %d (>= %d)\n",
-				tid, STA_TID_NUM);
-#endif
-		return;
-	}
-
-#ifdef CONFIG_MAC80211_HT_DEBUG
-	printk(KERN_DEBUG "Stopping Tx BA session for %s tid %d\n",
-				print_mac(mac, ra), tid);
-#endif /* CONFIG_MAC80211_HT_DEBUG */
-
-	rcu_read_lock();
-	sta = sta_info_get(local, ra);
-	if (!sta) {
-#ifdef CONFIG_MAC80211_HT_DEBUG
-		printk(KERN_DEBUG "Could not find station: %s\n",
-				print_mac(mac, ra));
-#endif
-		rcu_read_unlock();
-		return;
-	}
-	state = &sta->ampdu_mlme.tid_state_tx[tid];
-
-	/* NOTE: no need to use sta->lock in this state check, as
-	 * ieee80211_stop_tx_ba_session will let only one stop call to
-	 * pass through per sta/tid
-	 */
-	if ((*state & HT_AGG_STATE_REQ_STOP_BA_MSK) == 0) {
-#ifdef CONFIG_MAC80211_HT_DEBUG
-		printk(KERN_DEBUG "unexpected callback to A-MPDU stop\n");
-#endif
-		rcu_read_unlock();
-		return;
-	}
-
-	if (*state & HT_AGG_STATE_INITIATOR_MSK)
-		ieee80211_send_delba(sta->sdata->dev, ra, tid,
-			WLAN_BACK_INITIATOR, WLAN_REASON_QSTA_NOT_USE);
-
-	agg_queue = sta->tid_to_tx_q[tid];
-
-	ieee80211_ht_agg_queue_remove(local, sta, tid, 1);
-
-	/* We just requeued the all the frames that were in the
-	 * removed queue, and since we might miss a softirq we do
-	 * netif_schedule_queue.  ieee80211_wake_queue is not used
-	 * here as this queue is not necessarily stopped
-	 */
-	netif_schedule_queue(netdev_get_tx_queue(local->mdev, agg_queue));
-	spin_lock_bh(&sta->lock);
-	*state = HT_AGG_STATE_IDLE;
-	sta->ampdu_mlme.addba_req_num[tid] = 0;
-	kfree(sta->ampdu_mlme.tid_tx[tid]);
-	sta->ampdu_mlme.tid_tx[tid] = NULL;
-	spin_unlock_bh(&sta->lock);
-
-	rcu_read_unlock();
-}
-EXPORT_SYMBOL(ieee80211_stop_tx_ba_cb);
-
-void ieee80211_start_tx_ba_cb_irqsafe(struct ieee80211_hw *hw,
-				      const u8 *ra, u16 tid)
-{
-	struct ieee80211_local *local = hw_to_local(hw);
-	struct ieee80211_ra_tid *ra_tid;
-	struct sk_buff *skb = dev_alloc_skb(0);
-
-	if (unlikely(!skb)) {
-#ifdef CONFIG_MAC80211_HT_DEBUG
-		if (net_ratelimit())
-			printk(KERN_WARNING "%s: Not enough memory, "
-			       "dropping start BA session", skb->dev->name);
-#endif
-		return;
-	}
-	ra_tid = (struct ieee80211_ra_tid *) &skb->cb;
-	memcpy(&ra_tid->ra, ra, ETH_ALEN);
-	ra_tid->tid = tid;
-
-	skb->pkt_type = IEEE80211_ADDBA_MSG;
-	skb_queue_tail(&local->skb_queue, skb);
-	tasklet_schedule(&local->tasklet);
-}
-EXPORT_SYMBOL(ieee80211_start_tx_ba_cb_irqsafe);
-
-void ieee80211_stop_tx_ba_cb_irqsafe(struct ieee80211_hw *hw,
-				     const u8 *ra, u16 tid)
-{
-	struct ieee80211_local *local = hw_to_local(hw);
-	struct ieee80211_ra_tid *ra_tid;
-	struct sk_buff *skb = dev_alloc_skb(0);
-
-	if (unlikely(!skb)) {
-#ifdef CONFIG_MAC80211_HT_DEBUG
-		if (net_ratelimit())
-			printk(KERN_WARNING "%s: Not enough memory, "
-			       "dropping stop BA session", skb->dev->name);
-#endif
-		return;
-	}
-	ra_tid = (struct ieee80211_ra_tid *) &skb->cb;
-	memcpy(&ra_tid->ra, ra, ETH_ALEN);
-	ra_tid->tid = tid;
-
-	skb->pkt_type = IEEE80211_DELBA_MSG;
-	skb_queue_tail(&local->skb_queue, skb);
-	tasklet_schedule(&local->tasklet);
-}
-EXPORT_SYMBOL(ieee80211_stop_tx_ba_cb_irqsafe);
-
-static void ieee80211_set_multicast_list(struct net_device *dev)
-{
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	int allmulti, promisc, sdata_allmulti, sdata_promisc;
-
-	allmulti = !!(dev->flags & IFF_ALLMULTI);
-	promisc = !!(dev->flags & IFF_PROMISC);
-	sdata_allmulti = !!(sdata->flags & IEEE80211_SDATA_ALLMULTI);
-	sdata_promisc = !!(sdata->flags & IEEE80211_SDATA_PROMISC);
-
-	if (allmulti != sdata_allmulti) {
-		if (dev->flags & IFF_ALLMULTI)
-			atomic_inc(&local->iff_allmultis);
-		else
-			atomic_dec(&local->iff_allmultis);
-		sdata->flags ^= IEEE80211_SDATA_ALLMULTI;
-	}
-
-	if (promisc != sdata_promisc) {
-		if (dev->flags & IFF_PROMISC)
-			atomic_inc(&local->iff_promiscs);
-		else
-			atomic_dec(&local->iff_promiscs);
-		sdata->flags ^= IEEE80211_SDATA_PROMISC;
-	}
-
-	dev_mc_sync(local->mdev, dev);
-}
-
-static const struct header_ops ieee80211_header_ops = {
-	.create		= eth_header,
-	.parse		= header_parse_80211,
-	.rebuild	= eth_rebuild_header,
-	.cache		= eth_header_cache,
-	.cache_update	= eth_header_cache_update,
-};
-
-void ieee80211_if_setup(struct net_device *dev)
-{
-	ether_setup(dev);
-	dev->hard_start_xmit = ieee80211_subif_start_xmit;
-	dev->wireless_handlers = &ieee80211_iw_handler_def;
-	dev->set_multicast_list = ieee80211_set_multicast_list;
-	dev->change_mtu = ieee80211_change_mtu;
-	dev->open = ieee80211_open;
-	dev->stop = ieee80211_stop;
-	dev->destructor = free_netdev;
-}
-
 /* everything else */
 
 int ieee80211_if_config(struct ieee80211_sub_if_data *sdata, u32 changed)
@@ -987,18 +159,21 @@ int ieee80211_if_config(struct ieee80211_sub_if_data *sdata, u32 changed)
 	if (WARN_ON(!netif_running(sdata->dev)))
 		return 0;
 
+	if (WARN_ON(sdata->vif.type == NL80211_IFTYPE_AP_VLAN))
+		return -EINVAL;
+
 	if (!local->ops->config_interface)
 		return 0;
 
 	memset(&conf, 0, sizeof(conf));
 	conf.changed = changed;
 
-	if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
-	    sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
+	if (sdata->vif.type == NL80211_IFTYPE_STATION ||
+	    sdata->vif.type == NL80211_IFTYPE_ADHOC) {
 		conf.bssid = sdata->u.sta.bssid;
 		conf.ssid = sdata->u.sta.ssid;
 		conf.ssid_len = sdata->u.sta.ssid_len;
-	} else if (sdata->vif.type == IEEE80211_IF_TYPE_AP) {
+	} else if (sdata->vif.type == NL80211_IFTYPE_AP) {
 		conf.bssid = sdata->dev->dev_addr;
 		conf.ssid = sdata->u.ap.ssid;
 		conf.ssid_len = sdata->u.ap.ssid_len;
@@ -1027,7 +202,7 @@ int ieee80211_hw_config(struct ieee80211_local *local)
 	struct ieee80211_channel *chan;
 	int ret = 0;
 
-	if (local->sta_sw_scanning)
+	if (local->sw_scanning)
 		chan = local->scan_channel;
 	else
 		chan = local->oper_channel;
@@ -1099,8 +274,8 @@ u32 ieee80211_handle_ht(struct ieee80211_local *local, int enable_ht,
 	ht_conf.ht_supported = 1;
 
 	ht_conf.cap = req_ht_cap->cap & sband->ht_info.cap;
-	ht_conf.cap &= ~(IEEE80211_HT_CAP_MIMO_PS);
-	ht_conf.cap |= sband->ht_info.cap & IEEE80211_HT_CAP_MIMO_PS;
+	ht_conf.cap &= ~(IEEE80211_HT_CAP_SM_PS);
+	ht_conf.cap |= sband->ht_info.cap & IEEE80211_HT_CAP_SM_PS;
 	ht_bss_conf.primary_channel = req_bss_cap->primary_channel;
 	ht_bss_conf.bss_cap = req_bss_cap->bss_cap;
 	ht_bss_conf.bss_op_mode = req_bss_cap->bss_op_mode;
@@ -1152,6 +327,9 @@ void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
 {
 	struct ieee80211_local *local = sdata->local;
 
+	if (WARN_ON(sdata->vif.type == NL80211_IFTYPE_AP_VLAN))
+		return;
+
 	if (!changed)
 		return;
 
@@ -1162,10 +340,8 @@ void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
 					     changed);
 }
 
-u32 ieee80211_reset_erp_info(struct net_device *dev)
+u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata)
 {
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
 	sdata->bss_conf.use_cts_prot = 0;
 	sdata->bss_conf.use_short_preamble = 0;
 	return BSS_CHANGED_ERP_CTS_PROT | BSS_CHANGED_ERP_PREAMBLE;
@@ -1244,9 +420,10 @@ static void ieee80211_remove_tx_extra(struct ieee80211_local *local,
 				      struct ieee80211_key *key,
 				      struct sk_buff *skb)
 {
-	int hdrlen, iv_len, mic_len;
+	unsigned int hdrlen, iv_len, mic_len;
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
 
-	hdrlen = ieee80211_get_hdrlen_from_skb(skb);
+	hdrlen = ieee80211_hdrlen(hdr->frame_control);
 
 	if (!key)
 		goto no_key;
@@ -1268,24 +445,20 @@ static void ieee80211_remove_tx_extra(struct ieee80211_local *local,
 		goto no_key;
 	}
 
-	if (skb->len >= mic_len &&
+	if (skb->len >= hdrlen + mic_len &&
 	    !(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE))
 		skb_trim(skb, skb->len - mic_len);
-	if (skb->len >= iv_len && skb->len > hdrlen) {
+	if (skb->len >= hdrlen + iv_len) {
 		memmove(skb->data + iv_len, skb->data, hdrlen);
-		skb_pull(skb, iv_len);
+		hdr = (struct ieee80211_hdr *)skb_pull(skb, iv_len);
 	}
 
 no_key:
-	{
-		struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
-		u16 fc = le16_to_cpu(hdr->frame_control);
-		if ((fc & 0x8C) == 0x88) /* QoS Control Field */ {
-			fc &= ~IEEE80211_STYPE_QOS_DATA;
-			hdr->frame_control = cpu_to_le16(fc);
-			memmove(skb->data + 2, skb->data, hdrlen - 2);
-			skb_pull(skb, 2);
-		}
+	if (ieee80211_is_data_qos(hdr->frame_control)) {
+		hdr->frame_control &= ~cpu_to_le16(IEEE80211_STYPE_QOS_DATA);
+		memmove(skb->data + IEEE80211_QOS_CTL_LEN, skb->data,
+			hdrlen - IEEE80211_QOS_CTL_LEN);
+		skb_pull(skb, IEEE80211_QOS_CTL_LEN);
 	}
 }
 
@@ -1369,6 +542,7 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
 	u16 frag, type;
 	__le16 fc;
+	struct ieee80211_supported_band *sband;
 	struct ieee80211_tx_status_rtap_hdr *rthdr;
 	struct ieee80211_sub_if_data *sdata;
 	struct net_device *prev_dev = NULL;
@@ -1376,47 +550,48 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
 
 	rcu_read_lock();
 
-	if (info->status.excessive_retries) {
-		sta = sta_info_get(local, hdr->addr1);
-		if (sta) {
-			if (test_sta_flags(sta, WLAN_STA_PS)) {
-				/*
-				 * The STA is in power save mode, so assume
-				 * that this TX packet failed because of that.
-				 */
-				ieee80211_handle_filtered_frame(local, sta, skb);
-				rcu_read_unlock();
-				return;
-			}
+	sta = sta_info_get(local, hdr->addr1);
+
+	if (sta) {
+		if (info->status.excessive_retries &&
+		    test_sta_flags(sta, WLAN_STA_PS)) {
+			/*
+			 * The STA is in power save mode, so assume
+			 * that this TX packet failed because of that.
+			 */
+			ieee80211_handle_filtered_frame(local, sta, skb);
+			rcu_read_unlock();
+			return;
 		}
-	}
 
-	fc = hdr->frame_control;
+		fc = hdr->frame_control;
+
+		if ((info->flags & IEEE80211_TX_STAT_AMPDU_NO_BACK) &&
+		    (ieee80211_is_data_qos(fc))) {
+			u16 tid, ssn;
+			u8 *qc;
 
-	if ((info->flags & IEEE80211_TX_STAT_AMPDU_NO_BACK) &&
-	    (ieee80211_is_data_qos(fc))) {
-		u16 tid, ssn;
-		u8 *qc;
-		sta = sta_info_get(local, hdr->addr1);
-		if (sta) {
 			qc = ieee80211_get_qos_ctl(hdr);
 			tid = qc[0] & 0xf;
 			ssn = ((le16_to_cpu(hdr->seq_ctrl) + 0x10)
 						& IEEE80211_SCTL_SEQ);
-			ieee80211_send_bar(sta->sdata->dev, hdr->addr1,
+			ieee80211_send_bar(sta->sdata, hdr->addr1,
 					   tid, ssn);
 		}
-	}
 
-	if (info->flags & IEEE80211_TX_STAT_TX_FILTERED) {
-		sta = sta_info_get(local, hdr->addr1);
-		if (sta) {
+		if (info->flags & IEEE80211_TX_STAT_TX_FILTERED) {
 			ieee80211_handle_filtered_frame(local, sta, skb);
 			rcu_read_unlock();
 			return;
+		} else {
+			if (info->status.excessive_retries)
+				sta->tx_retry_failed++;
+			sta->tx_retry_count += info->status.retry_count;
 		}
-	} else
-		rate_control_tx_status(local->mdev, skb);
+
+		sband = local->hw.wiphy->bands[info->band];
+		rate_control_tx_status(local, sband, sta, skb);
+	}
 
 	rcu_read_unlock();
 
@@ -1504,7 +679,7 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
 
 	rcu_read_lock();
 	list_for_each_entry_rcu(sdata, &local->interfaces, list) {
-		if (sdata->vif.type == IEEE80211_IF_TYPE_MNTR) {
+		if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
 			if (!netif_running(sdata->dev))
 				continue;
 
@@ -1580,8 +755,6 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len,
 
 	local->hw.queues = 1; /* default */
 
-	local->bridge_packets = 1;
-
 	local->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
 	local->fragmentation_threshold = IEEE80211_MAX_FRAG_THRESHOLD;
 	local->short_retry_limit = 7;
@@ -1592,7 +765,7 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len,
 
 	spin_lock_init(&local->key_lock);
 
-	INIT_DELAYED_WORK(&local->scan_work, ieee80211_sta_scan_work);
+	INIT_DELAYED_WORK(&local->scan_work, ieee80211_scan_work);
 
 	sta_info_init(local);
 
@@ -1619,7 +792,7 @@ 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,
@@ -1639,6 +812,13 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
 		}
 	}
 
+	/* if low-level driver supports AP, we also support VLAN */
+	if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_AP))
+		local->hw.wiphy->interface_modes |= BIT(NL80211_IFTYPE_AP_VLAN);
+
+	/* mac80211 always supports monitor */
+	local->hw.wiphy->interface_modes |= BIT(NL80211_IFTYPE_MONITOR);
+
 	result = wiphy_register(local->hw.wiphy);
 	if (result < 0)
 		return result;
@@ -1654,16 +834,14 @@ 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);
@@ -1745,7 +923,7 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
 
 	/* add one default STA interface */
 	result = ieee80211_if_add(local, "wlan%d", NULL,
-				  IEEE80211_IF_TYPE_STA, NULL);
+				  NL80211_IFTYPE_STATION, NULL);
 	if (result)
 		printk(KERN_WARNING "%s: Failed to add default virtual iface\n",
 		       wiphy_name(local->hw.wiphy));
@@ -1837,6 +1015,10 @@ static int __init ieee80211_init(void)
 	BUILD_BUG_ON(offsetof(struct ieee80211_tx_info, driver_data) +
 	             IEEE80211_TX_INFO_DRIVER_DATA_SIZE > sizeof(skb->cb));
 
+	ret = rc80211_minstrel_init();
+	if (ret)
+		return ret;
+
 	ret = rc80211_pid_init();
 	if (ret)
 		return ret;
@@ -1849,6 +1031,7 @@ static int __init ieee80211_init(void)
 static void __exit ieee80211_exit(void)
 {
 	rc80211_pid_exit();
+	rc80211_minstrel_exit();
 
 	/*
 	 * For key todo, it'll be empty by now but the work
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 35f2f95f2fa..8013277924f 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -12,6 +12,9 @@
 #include "ieee80211_i.h"
 #include "mesh.h"
 
+#define IEEE80211_MESH_PEER_INACTIVITY_LIMIT (1800 * HZ)
+#define IEEE80211_MESH_HOUSEKEEPING_INTERVAL (60 * HZ)
+
 #define PP_OFFSET 	1		/* Path Selection Protocol */
 #define PM_OFFSET	5		/* Path Selection Metric   */
 #define CC_OFFSET	9		/* Congestion Control Mode */
@@ -35,19 +38,28 @@ void ieee80211s_stop(void)
 	kmem_cache_destroy(rm_cache);
 }
 
+static void ieee80211_mesh_housekeeping_timer(unsigned long data)
+{
+	struct ieee80211_sub_if_data *sdata = (void *) data;
+	struct ieee80211_local *local = sdata->local;
+	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
+
+	ifmsh->housekeeping = true;
+	queue_work(local->hw.workqueue, &ifmsh->work);
+}
+
 /**
  * mesh_matches_local - check if the config of a mesh point matches ours
  *
  * @ie: information elements of a management frame from the mesh peer
- * @dev: local mesh interface
+ * @sdata: local mesh subif
  *
  * This function checks if the mesh configuration of a mesh point matches the
  * local mesh configuration, i.e. if both nodes belong to the same mesh network.
  */
-bool mesh_matches_local(struct ieee802_11_elems *ie, struct net_device *dev)
+bool mesh_matches_local(struct ieee802_11_elems *ie, struct ieee80211_sub_if_data *sdata)
 {
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	struct ieee80211_if_sta *sta = &sdata->u.sta;
+	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
 
 	/*
 	 * As support for each feature is added, check for matching
@@ -59,11 +71,11 @@ bool mesh_matches_local(struct ieee802_11_elems *ie, struct net_device *dev)
 	 *   - MDA enabled
 	 * - Power management control on fc
 	 */
-	if (sta->mesh_id_len == ie->mesh_id_len &&
-		memcmp(sta->mesh_id, ie->mesh_id, ie->mesh_id_len) == 0 &&
-		memcmp(sta->mesh_pp_id, ie->mesh_config + PP_OFFSET, 4) == 0 &&
-		memcmp(sta->mesh_pm_id, ie->mesh_config + PM_OFFSET, 4) == 0 &&
-		memcmp(sta->mesh_cc_id, ie->mesh_config + CC_OFFSET, 4) == 0)
+	if (ifmsh->mesh_id_len == ie->mesh_id_len &&
+		memcmp(ifmsh->mesh_id, ie->mesh_id, ie->mesh_id_len) == 0 &&
+		memcmp(ifmsh->mesh_pp_id, ie->mesh_config + PP_OFFSET, 4) == 0 &&
+		memcmp(ifmsh->mesh_pm_id, ie->mesh_config + PM_OFFSET, 4) == 0 &&
+		memcmp(ifmsh->mesh_cc_id, ie->mesh_config + CC_OFFSET, 4) == 0)
 		return true;
 
 	return false;
@@ -73,10 +85,8 @@ bool mesh_matches_local(struct ieee802_11_elems *ie, struct net_device *dev)
  * mesh_peer_accepts_plinks - check if an mp is willing to establish peer links
  *
  * @ie: information elements of a management frame from the mesh peer
- * @dev: local mesh interface
  */
-bool mesh_peer_accepts_plinks(struct ieee802_11_elems *ie,
-			      struct net_device *dev)
+bool mesh_peer_accepts_plinks(struct ieee802_11_elems *ie)
 {
 	return (*(ie->mesh_config + CAPAB_OFFSET) & ACCEPT_PLINKS) != 0;
 }
@@ -98,11 +108,11 @@ void mesh_accept_plinks_update(struct ieee80211_sub_if_data *sdata)
 	 */
 	free_plinks = mesh_plink_availables(sdata);
 
-	if (free_plinks != sdata->u.sta.accepting_plinks)
-		ieee80211_sta_timer((unsigned long) sdata);
+	if (free_plinks != sdata->u.mesh.accepting_plinks)
+		ieee80211_mesh_housekeeping_timer((unsigned long) sdata);
 }
 
-void mesh_ids_set_default(struct ieee80211_if_sta *sta)
+void mesh_ids_set_default(struct ieee80211_if_mesh *sta)
 {
 	u8 def_id[4] = {0x00, 0x0F, 0xAC, 0xff};
 
@@ -111,28 +121,26 @@ void mesh_ids_set_default(struct ieee80211_if_sta *sta)
 	memcpy(sta->mesh_cc_id, def_id, 4);
 }
 
-int mesh_rmc_init(struct net_device *dev)
+int mesh_rmc_init(struct ieee80211_sub_if_data *sdata)
 {
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 	int i;
 
-	sdata->u.sta.rmc = kmalloc(sizeof(struct mesh_rmc), GFP_KERNEL);
-	if (!sdata->u.sta.rmc)
+	sdata->u.mesh.rmc = kmalloc(sizeof(struct mesh_rmc), GFP_KERNEL);
+	if (!sdata->u.mesh.rmc)
 		return -ENOMEM;
-	sdata->u.sta.rmc->idx_mask = RMC_BUCKETS - 1;
+	sdata->u.mesh.rmc->idx_mask = RMC_BUCKETS - 1;
 	for (i = 0; i < RMC_BUCKETS; i++)
-		INIT_LIST_HEAD(&sdata->u.sta.rmc->bucket[i].list);
+		INIT_LIST_HEAD(&sdata->u.mesh.rmc->bucket[i].list);
 	return 0;
 }
 
-void mesh_rmc_free(struct net_device *dev)
+void mesh_rmc_free(struct ieee80211_sub_if_data *sdata)
 {
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	struct mesh_rmc *rmc = sdata->u.sta.rmc;
+	struct mesh_rmc *rmc = sdata->u.mesh.rmc;
 	struct rmc_entry *p, *n;
 	int i;
 
-	if (!sdata->u.sta.rmc)
+	if (!sdata->u.mesh.rmc)
 		return;
 
 	for (i = 0; i < RMC_BUCKETS; i++)
@@ -142,7 +150,7 @@ void mesh_rmc_free(struct net_device *dev)
 		}
 
 	kfree(rmc);
-	sdata->u.sta.rmc = NULL;
+	sdata->u.mesh.rmc = NULL;
 }
 
 /**
@@ -158,10 +166,9 @@ void mesh_rmc_free(struct net_device *dev)
  * it.
  */
 int mesh_rmc_check(u8 *sa, struct ieee80211s_hdr *mesh_hdr,
-		   struct net_device *dev)
+		   struct ieee80211_sub_if_data *sdata)
 {
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	struct mesh_rmc *rmc = sdata->u.sta.rmc;
+	struct mesh_rmc *rmc = sdata->u.mesh.rmc;
 	u32 seqnum = 0;
 	int entries = 0;
 	u8 idx;
@@ -194,10 +201,9 @@ int mesh_rmc_check(u8 *sa, struct ieee80211s_hdr *mesh_hdr,
 	return 0;
 }
 
-void mesh_mgmt_ies_add(struct sk_buff *skb, struct net_device *dev)
+void mesh_mgmt_ies_add(struct sk_buff *skb, struct ieee80211_sub_if_data *sdata)
 {
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+	struct ieee80211_local *local = sdata->local;
 	struct ieee80211_supported_band *sband;
 	u8 *pos;
 	int len, i, rate;
@@ -224,11 +230,11 @@ void mesh_mgmt_ies_add(struct sk_buff *skb, struct net_device *dev)
 		}
 	}
 
-	pos = skb_put(skb, 2 + sdata->u.sta.mesh_id_len);
+	pos = skb_put(skb, 2 + sdata->u.mesh.mesh_id_len);
 	*pos++ = WLAN_EID_MESH_ID;
-	*pos++ = sdata->u.sta.mesh_id_len;
-	if (sdata->u.sta.mesh_id_len)
-		memcpy(pos, sdata->u.sta.mesh_id, sdata->u.sta.mesh_id_len);
+	*pos++ = sdata->u.mesh.mesh_id_len;
+	if (sdata->u.mesh.mesh_id_len)
+		memcpy(pos, sdata->u.mesh.mesh_id, sdata->u.mesh.mesh_id_len);
 
 	pos = skb_put(skb, 21);
 	*pos++ = WLAN_EID_MESH_CONFIG;
@@ -237,15 +243,15 @@ void mesh_mgmt_ies_add(struct sk_buff *skb, struct net_device *dev)
 	*pos++ = 1;
 
 	/* Active path selection protocol ID */
-	memcpy(pos, sdata->u.sta.mesh_pp_id, 4);
+	memcpy(pos, sdata->u.mesh.mesh_pp_id, 4);
 	pos += 4;
 
 	/* Active path selection metric ID   */
-	memcpy(pos, sdata->u.sta.mesh_pm_id, 4);
+	memcpy(pos, sdata->u.mesh.mesh_pm_id, 4);
 	pos += 4;
 
 	/* Congestion control mode identifier */
-	memcpy(pos, sdata->u.sta.mesh_cc_id, 4);
+	memcpy(pos, sdata->u.mesh.mesh_cc_id, 4);
 	pos += 4;
 
 	/* Channel precedence:
@@ -255,17 +261,17 @@ void mesh_mgmt_ies_add(struct sk_buff *skb, struct net_device *dev)
 	pos += 4;
 
 	/* Mesh capability */
-	sdata->u.sta.accepting_plinks = mesh_plink_availables(sdata);
-	*pos++ = sdata->u.sta.accepting_plinks ? ACCEPT_PLINKS : 0x00;
+	sdata->u.mesh.accepting_plinks = mesh_plink_availables(sdata);
+	*pos++ = sdata->u.mesh.accepting_plinks ? ACCEPT_PLINKS : 0x00;
 	*pos++ = 0x00;
 
 	return;
 }
 
-u32 mesh_table_hash(u8 *addr, struct net_device *dev, struct mesh_table *tbl)
+u32 mesh_table_hash(u8 *addr, struct ieee80211_sub_if_data *sdata, struct mesh_table *tbl)
 {
 	/* Use last four bytes of hw addr and interface index as hash index */
-	return jhash_2words(*(u32 *)(addr+2), dev->ifindex, tbl->hash_rnd)
+	return jhash_2words(*(u32 *)(addr+2), sdata->dev->ifindex, tbl->hash_rnd)
 		& tbl->hash_mask;
 }
 
@@ -344,10 +350,10 @@ static void ieee80211_mesh_path_timer(unsigned long data)
 {
 	struct ieee80211_sub_if_data *sdata =
 		(struct ieee80211_sub_if_data *) data;
-	struct ieee80211_if_sta *ifsta = &sdata->u.sta;
-	struct ieee80211_local *local = wdev_priv(&sdata->wdev);
+	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
+	struct ieee80211_local *local = sdata->local;
 
-	queue_work(local->hw.workqueue, &ifsta->work);
+	queue_work(local->hw.workqueue, &ifmsh->work);
 }
 
 struct mesh_table *mesh_table_grow(struct mesh_table *tbl)
@@ -399,50 +405,264 @@ int ieee80211_new_mesh_header(struct ieee80211s_hdr *meshhdr,
 		struct ieee80211_sub_if_data *sdata)
 {
 	meshhdr->flags = 0;
-	meshhdr->ttl = sdata->u.sta.mshcfg.dot11MeshTTL;
-	put_unaligned(cpu_to_le32(sdata->u.sta.mesh_seqnum), &meshhdr->seqnum);
-	sdata->u.sta.mesh_seqnum++;
+	meshhdr->ttl = sdata->u.mesh.mshcfg.dot11MeshTTL;
+	put_unaligned(cpu_to_le32(sdata->u.mesh.mesh_seqnum), &meshhdr->seqnum);
+	sdata->u.mesh.mesh_seqnum++;
 
 	return 6;
 }
 
+static void ieee80211_mesh_housekeeping(struct ieee80211_sub_if_data *sdata,
+			   struct ieee80211_if_mesh *ifmsh)
+{
+	bool free_plinks;
+
+#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
+	printk(KERN_DEBUG "%s: running mesh housekeeping\n",
+	       sdata->dev->name);
+#endif
+
+	ieee80211_sta_expire(sdata, IEEE80211_MESH_PEER_INACTIVITY_LIMIT);
+	mesh_path_expire(sdata);
+
+	free_plinks = mesh_plink_availables(sdata);
+	if (free_plinks != sdata->u.mesh.accepting_plinks)
+		ieee80211_if_config(sdata, IEEE80211_IFCC_BEACON);
+
+	ifmsh->housekeeping = false;
+	mod_timer(&ifmsh->housekeeping_timer,
+		  round_jiffies(jiffies + IEEE80211_MESH_HOUSEKEEPING_INTERVAL));
+}
+
+
+void ieee80211_start_mesh(struct ieee80211_sub_if_data *sdata)
+{
+	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
+	struct ieee80211_local *local = sdata->local;
+
+	ifmsh->housekeeping = true;
+	queue_work(local->hw.workqueue, &ifmsh->work);
+	ieee80211_if_config(sdata, IEEE80211_IFCC_BEACON);
+}
+
+void ieee80211_stop_mesh(struct ieee80211_sub_if_data *sdata)
+{
+	del_timer_sync(&sdata->u.mesh.housekeeping_timer);
+	/*
+	 * If the timer fired while we waited for it, it will have
+	 * requeued the work. Now the work will be running again
+	 * but will not rearm the timer again because it checks
+	 * whether the interface is running, which, at this point,
+	 * it no longer is.
+	 */
+	cancel_work_sync(&sdata->u.mesh.work);
+
+	/*
+	 * When we get here, the interface is marked down.
+	 * Call synchronize_rcu() to wait for the RX path
+	 * should it be using the interface and enqueuing
+	 * frames at this very time on another CPU.
+	 */
+	synchronize_rcu();
+	skb_queue_purge(&sdata->u.mesh.skb_queue);
+}
+
+static void ieee80211_mesh_rx_bcn_presp(struct ieee80211_sub_if_data *sdata,
+					u16 stype,
+					struct ieee80211_mgmt *mgmt,
+					size_t len,
+					struct ieee80211_rx_status *rx_status)
+{
+	struct ieee80211_local *local= sdata->local;
+	struct ieee802_11_elems elems;
+	struct ieee80211_channel *channel;
+	u64 supp_rates = 0;
+	size_t baselen;
+	int freq;
+	enum ieee80211_band band = rx_status->band;
+
+	/* ignore ProbeResp to foreign address */
+	if (stype == IEEE80211_STYPE_PROBE_RESP &&
+	    compare_ether_addr(mgmt->da, sdata->dev->dev_addr))
+		return;
+
+	baselen = (u8 *) mgmt->u.probe_resp.variable - (u8 *) mgmt;
+	if (baselen > len)
+		return;
+
+	ieee802_11_parse_elems(mgmt->u.probe_resp.variable, len - baselen,
+			       &elems);
+
+	if (elems.ds_params && elems.ds_params_len == 1)
+		freq = ieee80211_channel_to_frequency(elems.ds_params[0]);
+	else
+		freq = rx_status->freq;
+
+	channel = ieee80211_get_channel(local->hw.wiphy, freq);
+
+	if (!channel || channel->flags & IEEE80211_CHAN_DISABLED)
+		return;
+
+	if (elems.mesh_id && elems.mesh_config &&
+	    mesh_matches_local(&elems, sdata)) {
+		supp_rates = ieee80211_sta_get_rates(local, &elems, band);
+
+		mesh_neighbour_update(mgmt->sa, supp_rates, sdata,
+				      mesh_peer_accepts_plinks(&elems));
+	}
+}
+
+static void ieee80211_mesh_rx_mgmt_action(struct ieee80211_sub_if_data *sdata,
+					  struct ieee80211_mgmt *mgmt,
+					  size_t len,
+					  struct ieee80211_rx_status *rx_status)
+{
+	switch (mgmt->u.action.category) {
+	case PLINK_CATEGORY:
+		mesh_rx_plink_frame(sdata, mgmt, len, rx_status);
+		break;
+	case MESH_PATH_SEL_CATEGORY:
+		mesh_rx_path_sel_frame(sdata, mgmt, len);
+		break;
+	}
+}
+
+static void ieee80211_mesh_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
+					  struct sk_buff *skb)
+{
+	struct ieee80211_rx_status *rx_status;
+	struct ieee80211_if_mesh *ifmsh;
+	struct ieee80211_mgmt *mgmt;
+	u16 stype;
+
+	ifmsh = &sdata->u.mesh;
+
+	rx_status = (struct ieee80211_rx_status *) skb->cb;
+	mgmt = (struct ieee80211_mgmt *) skb->data;
+	stype = le16_to_cpu(mgmt->frame_control) & IEEE80211_FCTL_STYPE;
+
+	switch (stype) {
+	case IEEE80211_STYPE_PROBE_RESP:
+	case IEEE80211_STYPE_BEACON:
+		ieee80211_mesh_rx_bcn_presp(sdata, stype, mgmt, skb->len,
+					    rx_status);
+		break;
+	case IEEE80211_STYPE_ACTION:
+		ieee80211_mesh_rx_mgmt_action(sdata, mgmt, skb->len, rx_status);
+		break;
+	}
+
+	kfree_skb(skb);
+}
+
+static void ieee80211_mesh_work(struct work_struct *work)
+{
+	struct ieee80211_sub_if_data *sdata =
+		container_of(work, struct ieee80211_sub_if_data, u.mesh.work);
+	struct ieee80211_local *local = sdata->local;
+	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
+	struct sk_buff *skb;
+
+	if (!netif_running(sdata->dev))
+		return;
+
+	if (local->sw_scanning || local->hw_scanning)
+		return;
+
+	while ((skb = skb_dequeue(&ifmsh->skb_queue)))
+		ieee80211_mesh_rx_queued_mgmt(sdata, skb);
+
+	if (ifmsh->preq_queue_len &&
+	    time_after(jiffies,
+		       ifmsh->last_preq + msecs_to_jiffies(ifmsh->mshcfg.dot11MeshHWMPpreqMinInterval)))
+		mesh_path_start_discovery(sdata);
+
+	if (ifmsh->housekeeping)
+		ieee80211_mesh_housekeeping(sdata, ifmsh);
+}
+
+void ieee80211_mesh_notify_scan_completed(struct ieee80211_local *local)
+{
+	struct ieee80211_sub_if_data *sdata;
+
+	rcu_read_lock();
+	list_for_each_entry_rcu(sdata, &local->interfaces, list)
+		if (ieee80211_vif_is_mesh(&sdata->vif))
+			queue_work(local->hw.workqueue, &sdata->u.mesh.work);
+	rcu_read_unlock();
+}
+
 void ieee80211_mesh_init_sdata(struct ieee80211_sub_if_data *sdata)
 {
-	struct ieee80211_if_sta *ifsta = &sdata->u.sta;
-
-	ifsta->mshcfg.dot11MeshRetryTimeout = MESH_RET_T;
-	ifsta->mshcfg.dot11MeshConfirmTimeout = MESH_CONF_T;
-	ifsta->mshcfg.dot11MeshHoldingTimeout = MESH_HOLD_T;
-	ifsta->mshcfg.dot11MeshMaxRetries = MESH_MAX_RETR;
-	ifsta->mshcfg.dot11MeshTTL = MESH_TTL;
-	ifsta->mshcfg.auto_open_plinks = true;
-	ifsta->mshcfg.dot11MeshMaxPeerLinks =
+	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
+
+	INIT_WORK(&ifmsh->work, ieee80211_mesh_work);
+	setup_timer(&ifmsh->housekeeping_timer,
+		    ieee80211_mesh_housekeeping_timer,
+		    (unsigned long) sdata);
+	skb_queue_head_init(&sdata->u.mesh.skb_queue);
+
+	ifmsh->mshcfg.dot11MeshRetryTimeout = MESH_RET_T;
+	ifmsh->mshcfg.dot11MeshConfirmTimeout = MESH_CONF_T;
+	ifmsh->mshcfg.dot11MeshHoldingTimeout = MESH_HOLD_T;
+	ifmsh->mshcfg.dot11MeshMaxRetries = MESH_MAX_RETR;
+	ifmsh->mshcfg.dot11MeshTTL = MESH_TTL;
+	ifmsh->mshcfg.auto_open_plinks = true;
+	ifmsh->mshcfg.dot11MeshMaxPeerLinks =
 		MESH_MAX_ESTAB_PLINKS;
-	ifsta->mshcfg.dot11MeshHWMPactivePathTimeout =
+	ifmsh->mshcfg.dot11MeshHWMPactivePathTimeout =
 		MESH_PATH_TIMEOUT;
-	ifsta->mshcfg.dot11MeshHWMPpreqMinInterval =
+	ifmsh->mshcfg.dot11MeshHWMPpreqMinInterval =
 		MESH_PREQ_MIN_INT;
-	ifsta->mshcfg.dot11MeshHWMPnetDiameterTraversalTime =
+	ifmsh->mshcfg.dot11MeshHWMPnetDiameterTraversalTime =
 		MESH_DIAM_TRAVERSAL_TIME;
-	ifsta->mshcfg.dot11MeshHWMPmaxPREQretries =
+	ifmsh->mshcfg.dot11MeshHWMPmaxPREQretries =
 		MESH_MAX_PREQ_RETRIES;
-	ifsta->mshcfg.path_refresh_time =
+	ifmsh->mshcfg.path_refresh_time =
 		MESH_PATH_REFRESH_TIME;
-	ifsta->mshcfg.min_discovery_timeout =
+	ifmsh->mshcfg.min_discovery_timeout =
 		MESH_MIN_DISCOVERY_TIMEOUT;
-	ifsta->accepting_plinks = true;
-	ifsta->preq_id = 0;
-	ifsta->dsn = 0;
-	atomic_set(&ifsta->mpaths, 0);
-	mesh_rmc_init(sdata->dev);
-	ifsta->last_preq = jiffies;
+	ifmsh->accepting_plinks = true;
+	ifmsh->preq_id = 0;
+	ifmsh->dsn = 0;
+	atomic_set(&ifmsh->mpaths, 0);
+	mesh_rmc_init(sdata);
+	ifmsh->last_preq = jiffies;
 	/* Allocate all mesh structures when creating the first mesh interface. */
 	if (!mesh_allocated)
 		ieee80211s_init();
-	mesh_ids_set_default(ifsta);
-	setup_timer(&ifsta->mesh_path_timer,
+	mesh_ids_set_default(ifmsh);
+	setup_timer(&ifmsh->mesh_path_timer,
 		    ieee80211_mesh_path_timer,
 		    (unsigned long) sdata);
-	INIT_LIST_HEAD(&ifsta->preq_queue.list);
-	spin_lock_init(&ifsta->mesh_preq_queue_lock);
+	INIT_LIST_HEAD(&ifmsh->preq_queue.list);
+	spin_lock_init(&ifmsh->mesh_preq_queue_lock);
+}
+
+ieee80211_rx_result
+ieee80211_mesh_rx_mgmt(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb,
+		       struct ieee80211_rx_status *rx_status)
+{
+	struct ieee80211_local *local = sdata->local;
+	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
+	struct ieee80211_mgmt *mgmt;
+	u16 fc;
+
+	if (skb->len < 24)
+		return RX_DROP_MONITOR;
+
+	mgmt = (struct ieee80211_mgmt *) skb->data;
+	fc = le16_to_cpu(mgmt->frame_control);
+
+	switch (fc & IEEE80211_FCTL_STYPE) {
+	case IEEE80211_STYPE_PROBE_RESP:
+	case IEEE80211_STYPE_BEACON:
+	case IEEE80211_STYPE_ACTION:
+		memcpy(skb->cb, rx_status, sizeof(*rx_status));
+		skb_queue_tail(&ifmsh->skb_queue, skb);
+		queue_work(local->hw.workqueue, &ifmsh->work);
+		return RX_QUEUED;
+	}
+
+	return RX_CONTINUE;
 }
diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h
index 7495fbb0d21..e10471c6ba4 100644
--- a/net/mac80211/mesh.h
+++ b/net/mac80211/mesh.h
@@ -47,7 +47,7 @@ enum mesh_path_flags {
  * struct mesh_path - mac80211 mesh path structure
  *
  * @dst: mesh path destination mac address
- * @dev: mesh path device
+ * @sdata: mesh subif
  * @next_hop: mesh neighbor to which frames for this destination will be
  * 	forwarded
  * @timer: mesh path discovery timer
@@ -64,14 +64,15 @@ enum mesh_path_flags {
  * @state_lock: mesh pat state lock
  *
  *
- * The combination of dst and dev is unique in the mesh path table. Since the
+ * The combination of dst and sdata is unique in the mesh path table. Since the
  * next_hop STA is only protected by RCU as well, deleting the STA must also
  * remove/substitute the mesh_path structure and wait until that is no longer
  * reachable before destroying the STA completely.
  */
 struct mesh_path {
 	u8 dst[ETH_ALEN];
-	struct net_device *dev;
+	u8 mpp[ETH_ALEN];	/* used for MPP or MAP */
+	struct ieee80211_sub_if_data *sdata;
 	struct sta_info *next_hop;
 	struct timer_list timer;
 	struct sk_buff_head frame_queue;
@@ -203,67 +204,82 @@ int ieee80211_get_mesh_hdrlen(struct ieee80211s_hdr *meshhdr);
 int ieee80211_new_mesh_header(struct ieee80211s_hdr *meshhdr,
 		struct ieee80211_sub_if_data *sdata);
 int mesh_rmc_check(u8 *addr, struct ieee80211s_hdr *mesh_hdr,
-		struct net_device *dev);
-bool mesh_matches_local(struct ieee802_11_elems *ie, struct net_device *dev);
-void mesh_ids_set_default(struct ieee80211_if_sta *sta);
-void mesh_mgmt_ies_add(struct sk_buff *skb, struct net_device *dev);
-void mesh_rmc_free(struct net_device *dev);
-int mesh_rmc_init(struct net_device *dev);
+		struct ieee80211_sub_if_data *sdata);
+bool mesh_matches_local(struct ieee802_11_elems *ie,
+		struct ieee80211_sub_if_data *sdata);
+void mesh_ids_set_default(struct ieee80211_if_mesh *mesh);
+void mesh_mgmt_ies_add(struct sk_buff *skb,
+		struct ieee80211_sub_if_data *sdata);
+void mesh_rmc_free(struct ieee80211_sub_if_data *sdata);
+int mesh_rmc_init(struct ieee80211_sub_if_data *sdata);
 void ieee80211s_init(void);
 void ieee80211s_stop(void);
 void ieee80211_mesh_init_sdata(struct ieee80211_sub_if_data *sdata);
+ieee80211_rx_result
+ieee80211_mesh_rx_mgmt(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb,
+		       struct ieee80211_rx_status *rx_status);
+void ieee80211_start_mesh(struct ieee80211_sub_if_data *sdata);
+void ieee80211_stop_mesh(struct ieee80211_sub_if_data *sdata);
 
 /* Mesh paths */
-int mesh_nexthop_lookup(struct sk_buff *skb, struct net_device *dev);
-void mesh_path_start_discovery(struct net_device *dev);
-struct mesh_path *mesh_path_lookup(u8 *dst, struct net_device *dev);
-struct mesh_path *mesh_path_lookup_by_idx(int idx, struct net_device *dev);
+int mesh_nexthop_lookup(struct sk_buff *skb,
+		struct ieee80211_sub_if_data *sdata);
+void mesh_path_start_discovery(struct ieee80211_sub_if_data *sdata);
+struct mesh_path *mesh_path_lookup(u8 *dst,
+		struct ieee80211_sub_if_data *sdata);
+struct mesh_path *mpp_path_lookup(u8 *dst,
+				  struct ieee80211_sub_if_data *sdata);
+int mpp_path_add(u8 *dst, u8 *mpp, struct ieee80211_sub_if_data *sdata);
+struct mesh_path *mesh_path_lookup_by_idx(int idx,
+		struct ieee80211_sub_if_data *sdata);
 void mesh_path_fix_nexthop(struct mesh_path *mpath, struct sta_info *next_hop);
-void mesh_path_expire(struct net_device *dev);
-void mesh_path_flush(struct net_device *dev);
-void mesh_rx_path_sel_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt,
-		size_t len);
-int mesh_path_add(u8 *dst, struct net_device *dev);
+void mesh_path_expire(struct ieee80211_sub_if_data *sdata);
+void mesh_path_flush(struct ieee80211_sub_if_data *sdata);
+void mesh_rx_path_sel_frame(struct ieee80211_sub_if_data *sdata,
+		struct ieee80211_mgmt *mgmt, size_t len);
+int mesh_path_add(u8 *dst, struct ieee80211_sub_if_data *sdata);
 /* Mesh plinks */
-void mesh_neighbour_update(u8 *hw_addr, u64 rates, struct net_device *dev,
-		bool add);
-bool mesh_peer_accepts_plinks(struct ieee802_11_elems *ie,
-			      struct net_device *dev);
+void mesh_neighbour_update(u8 *hw_addr, u64 rates,
+		struct ieee80211_sub_if_data *sdata, bool add);
+bool mesh_peer_accepts_plinks(struct ieee802_11_elems *ie);
 void mesh_accept_plinks_update(struct ieee80211_sub_if_data *sdata);
 void mesh_plink_broken(struct sta_info *sta);
 void mesh_plink_deactivate(struct sta_info *sta);
 int mesh_plink_open(struct sta_info *sta);
 int mesh_plink_close(struct sta_info *sta);
 void mesh_plink_block(struct sta_info *sta);
-void mesh_rx_plink_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt,
-			 size_t len, struct ieee80211_rx_status *rx_status);
+void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata,
+			 struct ieee80211_mgmt *mgmt, size_t len,
+			 struct ieee80211_rx_status *rx_status);
 
 /* Private interfaces */
 /* Mesh tables */
 struct mesh_table *mesh_table_alloc(int size_order);
 void mesh_table_free(struct mesh_table *tbl, bool free_leafs);
 struct mesh_table *mesh_table_grow(struct mesh_table *tbl);
-u32 mesh_table_hash(u8 *addr, struct net_device *dev, struct mesh_table *tbl);
+u32 mesh_table_hash(u8 *addr, struct ieee80211_sub_if_data *sdata,
+		struct mesh_table *tbl);
 /* Mesh paths */
 int mesh_path_error_tx(u8 *dest, __le32 dest_dsn, u8 *ra,
-		struct net_device *dev);
+		struct ieee80211_sub_if_data *sdata);
 void mesh_path_assign_nexthop(struct mesh_path *mpath, struct sta_info *sta);
 void mesh_path_flush_pending(struct mesh_path *mpath);
 void mesh_path_tx_pending(struct mesh_path *mpath);
 int mesh_pathtbl_init(void);
 void mesh_pathtbl_unregister(void);
-int mesh_path_del(u8 *addr, struct net_device *dev);
+int mesh_path_del(u8 *addr, struct ieee80211_sub_if_data *sdata);
 void mesh_path_timer(unsigned long data);
 void mesh_path_flush_by_nexthop(struct sta_info *sta);
-void mesh_path_discard_frame(struct sk_buff *skb, struct net_device *dev);
+void mesh_path_discard_frame(struct sk_buff *skb,
+		struct ieee80211_sub_if_data *sdata);
 
 #ifdef CONFIG_MAC80211_MESH
 extern int mesh_allocated;
 
 static inline int mesh_plink_free_count(struct ieee80211_sub_if_data *sdata)
 {
-	return sdata->u.sta.mshcfg.dot11MeshMaxPeerLinks -
-	       atomic_read(&sdata->u.sta.mshstats.estab_plinks);
+	return sdata->u.mesh.mshcfg.dot11MeshMaxPeerLinks -
+	       atomic_read(&sdata->u.mesh.mshstats.estab_plinks);
 }
 
 static inline bool mesh_plink_availables(struct ieee80211_sub_if_data *sdata)
@@ -281,8 +297,12 @@ static inline void mesh_path_activate(struct mesh_path *mpath)
 	for (i = 0; i <= x->hash_mask; i++) \
 		hlist_for_each_entry_rcu(node, p, &x->hash_buckets[i], list)
 
+void ieee80211_mesh_notify_scan_completed(struct ieee80211_local *local);
+
 #else
 #define mesh_allocated	0
+static inline void
+ieee80211_mesh_notify_scan_completed(struct ieee80211_local *local) {}
 #endif
 
 #endif /* IEEE80211S_H */
diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
index 08aca446ca0..501c7831adb 100644
--- a/net/mac80211/mesh_hwmp.c
+++ b/net/mac80211/mesh_hwmp.c
@@ -64,14 +64,14 @@ static inline u32 u32_field_get(u8 *preq_elem, int offset, bool ae)
 #define DSN_LT(x, y) ((long) (x) - (long) (y) < 0)
 
 #define net_traversal_jiffies(s) \
-	msecs_to_jiffies(s->u.sta.mshcfg.dot11MeshHWMPnetDiameterTraversalTime)
+	msecs_to_jiffies(s->u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime)
 #define default_lifetime(s) \
-	MSEC_TO_TU(s->u.sta.mshcfg.dot11MeshHWMPactivePathTimeout)
+	MSEC_TO_TU(s->u.mesh.mshcfg.dot11MeshHWMPactivePathTimeout)
 #define min_preq_int_jiff(s) \
-	(msecs_to_jiffies(s->u.sta.mshcfg.dot11MeshHWMPpreqMinInterval))
-#define max_preq_retries(s) (s->u.sta.mshcfg.dot11MeshHWMPmaxPREQretries)
+	(msecs_to_jiffies(s->u.mesh.mshcfg.dot11MeshHWMPpreqMinInterval))
+#define max_preq_retries(s) (s->u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries)
 #define disc_timeout_jiff(s) \
-	msecs_to_jiffies(sdata->u.sta.mshcfg.min_discovery_timeout)
+	msecs_to_jiffies(sdata->u.mesh.mshcfg.min_discovery_timeout)
 
 enum mpath_frame_type {
 	MPATH_PREQ = 0,
@@ -82,9 +82,9 @@ enum mpath_frame_type {
 static int mesh_path_sel_frame_tx(enum mpath_frame_type action, u8 flags,
 		u8 *orig_addr, __le32 orig_dsn, u8 dst_flags, u8 *dst,
 		__le32 dst_dsn, u8 *da, u8 hop_count, u8 ttl, __le32 lifetime,
-		__le32 metric, __le32 preq_id, struct net_device *dev)
+		__le32 metric, __le32 preq_id, struct ieee80211_sub_if_data *sdata)
 {
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+	struct ieee80211_local *local = sdata->local;
 	struct sk_buff *skb = dev_alloc_skb(local->hw.extra_tx_headroom + 400);
 	struct ieee80211_mgmt *mgmt;
 	u8 *pos;
@@ -99,11 +99,11 @@ static int mesh_path_sel_frame_tx(enum mpath_frame_type action, u8 flags,
 	mgmt = (struct ieee80211_mgmt *)
 		skb_put(skb, 25 + sizeof(mgmt->u.action.u.mesh_action));
 	memset(mgmt, 0, 25 + sizeof(mgmt->u.action.u.mesh_action));
-	mgmt->frame_control = IEEE80211_FC(IEEE80211_FTYPE_MGMT,
-					   IEEE80211_STYPE_ACTION);
+	mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
+					  IEEE80211_STYPE_ACTION);
 
 	memcpy(mgmt->da, da, ETH_ALEN);
-	memcpy(mgmt->sa, dev->dev_addr, ETH_ALEN);
+	memcpy(mgmt->sa, sdata->dev->dev_addr, ETH_ALEN);
 	/* BSSID is left zeroed, wildcard value */
 	mgmt->u.action.category = MESH_PATH_SEL_CATEGORY;
 	mgmt->u.action.u.mesh_action.action_code = action;
@@ -149,7 +149,7 @@ static int mesh_path_sel_frame_tx(enum mpath_frame_type action, u8 flags,
 	pos += ETH_ALEN;
 	memcpy(pos, &dst_dsn, 4);
 
-	ieee80211_sta_tx(dev, skb, 0);
+	ieee80211_tx_skb(sdata, skb, 0);
 	return 0;
 }
 
@@ -161,9 +161,9 @@ static int mesh_path_sel_frame_tx(enum mpath_frame_type action, u8 flags,
  * @ra: node this frame is addressed to
  */
 int mesh_path_error_tx(u8 *dst, __le32 dst_dsn, u8 *ra,
-		struct net_device *dev)
+		struct ieee80211_sub_if_data *sdata)
 {
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+	struct ieee80211_local *local = sdata->local;
 	struct sk_buff *skb = dev_alloc_skb(local->hw.extra_tx_headroom + 400);
 	struct ieee80211_mgmt *mgmt;
 	u8 *pos;
@@ -178,11 +178,11 @@ int mesh_path_error_tx(u8 *dst, __le32 dst_dsn, u8 *ra,
 	mgmt = (struct ieee80211_mgmt *)
 		skb_put(skb, 25 + sizeof(mgmt->u.action.u.mesh_action));
 	memset(mgmt, 0, 25 + sizeof(mgmt->u.action.u.mesh_action));
-	mgmt->frame_control = IEEE80211_FC(IEEE80211_FTYPE_MGMT,
-					   IEEE80211_STYPE_ACTION);
+	mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
+					  IEEE80211_STYPE_ACTION);
 
 	memcpy(mgmt->da, ra, ETH_ALEN);
-	memcpy(mgmt->sa, dev->dev_addr, ETH_ALEN);
+	memcpy(mgmt->sa, sdata->dev->dev_addr, ETH_ALEN);
 	/* BSSID is left zeroed, wildcard value */
 	mgmt->u.action.category = MESH_PATH_SEL_CATEGORY;
 	mgmt->u.action.u.mesh_action.action_code = MPATH_PERR;
@@ -198,7 +198,7 @@ int mesh_path_error_tx(u8 *dst, __le32 dst_dsn, u8 *ra,
 	pos += ETH_ALEN;
 	memcpy(pos, &dst_dsn, 4);
 
-	ieee80211_sta_tx(dev, skb, 0);
+	ieee80211_tx_skb(sdata, skb, 0);
 	return 0;
 }
 
@@ -223,7 +223,7 @@ static u32 airtime_link_metric_get(struct ieee80211_local *local,
 	/* bitrate is in units of 100 Kbps, while we need rate in units of
 	 * 1Mbps. This will be corrected on tx_time computation.
 	 */
-	rate = sband->bitrates[sta->txrate_idx].bitrate;
+	rate = sband->bitrates[sta->last_txrate_idx].bitrate;
 	tx_time = (device_constant + 10 * test_frame_len / rate);
 	estimated_retx = ((1 << (2 * ARITH_SHIFT)) / (s_unit - err));
 	result = (tx_time * estimated_retx) >> (2 * ARITH_SHIFT) ;
@@ -233,7 +233,7 @@ static u32 airtime_link_metric_get(struct ieee80211_local *local,
 /**
  * hwmp_route_info_get - Update routing info to originator and transmitter
  *
- * @dev: local mesh interface
+ * @sdata: local mesh subif
  * @mgmt: mesh management frame
  * @hwmp_ie: hwmp information element (PREP or PREQ)
  *
@@ -246,11 +246,11 @@ static u32 airtime_link_metric_get(struct ieee80211_local *local,
  * Notes: this function is the only place (besides user-provided info) where
  * path routing information is updated.
  */
-static u32 hwmp_route_info_get(struct net_device *dev,
+static u32 hwmp_route_info_get(struct ieee80211_sub_if_data *sdata,
 			    struct ieee80211_mgmt *mgmt,
 			    u8 *hwmp_ie)
 {
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+	struct ieee80211_local *local = sdata->local;
 	struct mesh_path *mpath;
 	struct sta_info *sta;
 	bool fresh_info;
@@ -301,14 +301,14 @@ static u32 hwmp_route_info_get(struct net_device *dev,
 		new_metric = MAX_METRIC;
 	exp_time = TU_TO_EXP_TIME(orig_lifetime);
 
-	if (memcmp(orig_addr, dev->dev_addr, ETH_ALEN) == 0) {
+	if (memcmp(orig_addr, sdata->dev->dev_addr, ETH_ALEN) == 0) {
 		/* This MP is the originator, we are not interested in this
 		 * frame, except for updating transmitter's path info.
 		 */
 		process = false;
 		fresh_info = false;
 	} else {
-		mpath = mesh_path_lookup(orig_addr, dev);
+		mpath = mesh_path_lookup(orig_addr, sdata);
 		if (mpath) {
 			spin_lock_bh(&mpath->state_lock);
 			if (mpath->flags & MESH_PATH_FIXED)
@@ -324,8 +324,8 @@ static u32 hwmp_route_info_get(struct net_device *dev,
 				}
 			}
 		} else {
-			mesh_path_add(orig_addr, dev);
-			mpath = mesh_path_lookup(orig_addr, dev);
+			mesh_path_add(orig_addr, sdata);
+			mpath = mesh_path_lookup(orig_addr, sdata);
 			if (!mpath) {
 				rcu_read_unlock();
 				return 0;
@@ -357,7 +357,7 @@ static u32 hwmp_route_info_get(struct net_device *dev,
 	else {
 		fresh_info = true;
 
-		mpath = mesh_path_lookup(ta, dev);
+		mpath = mesh_path_lookup(ta, sdata);
 		if (mpath) {
 			spin_lock_bh(&mpath->state_lock);
 			if ((mpath->flags & MESH_PATH_FIXED) ||
@@ -365,8 +365,8 @@ static u32 hwmp_route_info_get(struct net_device *dev,
 					(last_hop_metric > mpath->metric)))
 				fresh_info = false;
 		} else {
-			mesh_path_add(ta, dev);
-			mpath = mesh_path_lookup(ta, dev);
+			mesh_path_add(ta, sdata);
+			mpath = mesh_path_lookup(ta, sdata);
 			if (!mpath) {
 				rcu_read_unlock();
 				return 0;
@@ -392,11 +392,10 @@ static u32 hwmp_route_info_get(struct net_device *dev,
 	return process ? new_metric : 0;
 }
 
-static void hwmp_preq_frame_process(struct net_device *dev,
+static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata,
 				    struct ieee80211_mgmt *mgmt,
 				    u8 *preq_elem, u32 metric) {
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	struct ieee80211_if_sta *ifsta = &sdata->u.sta;
+	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
 	struct mesh_path *mpath;
 	u8 *dst_addr, *orig_addr;
 	u8 dst_flags, ttl;
@@ -411,19 +410,19 @@ static void hwmp_preq_frame_process(struct net_device *dev,
 	orig_dsn = PREQ_IE_ORIG_DSN(preq_elem);
 	dst_flags = PREQ_IE_DST_F(preq_elem);
 
-	if (memcmp(dst_addr, dev->dev_addr, ETH_ALEN) == 0) {
+	if (memcmp(dst_addr, sdata->dev->dev_addr, ETH_ALEN) == 0) {
 		forward = false;
 		reply = true;
 		metric = 0;
-		if (time_after(jiffies, ifsta->last_dsn_update +
+		if (time_after(jiffies, ifmsh->last_dsn_update +
 					net_traversal_jiffies(sdata)) ||
-		    time_before(jiffies, ifsta->last_dsn_update)) {
-			dst_dsn = ++ifsta->dsn;
-			ifsta->last_dsn_update = jiffies;
+		    time_before(jiffies, ifmsh->last_dsn_update)) {
+			dst_dsn = ++ifmsh->dsn;
+			ifmsh->last_dsn_update = jiffies;
 		}
 	} else {
 		rcu_read_lock();
-		mpath = mesh_path_lookup(dst_addr, dev);
+		mpath = mesh_path_lookup(dst_addr, sdata);
 		if (mpath) {
 			if ((!(mpath->flags & MESH_PATH_DSN_VALID)) ||
 					DSN_LT(mpath->dsn, dst_dsn)) {
@@ -445,15 +444,15 @@ static void hwmp_preq_frame_process(struct net_device *dev,
 
 	if (reply) {
 		lifetime = PREQ_IE_LIFETIME(preq_elem);
-		ttl = ifsta->mshcfg.dot11MeshTTL;
+		ttl = ifmsh->mshcfg.dot11MeshTTL;
 		if (ttl != 0)
 			mesh_path_sel_frame_tx(MPATH_PREP, 0, dst_addr,
 				cpu_to_le32(dst_dsn), 0, orig_addr,
 				cpu_to_le32(orig_dsn), mgmt->sa, 0, ttl,
 				cpu_to_le32(lifetime), cpu_to_le32(metric),
-				0, dev);
+				0, sdata);
 		else
-			ifsta->mshstats.dropped_frames_ttl++;
+			ifmsh->mshstats.dropped_frames_ttl++;
 	}
 
 	if (forward) {
@@ -463,7 +462,7 @@ static void hwmp_preq_frame_process(struct net_device *dev,
 		ttl = PREQ_IE_TTL(preq_elem);
 		lifetime = PREQ_IE_LIFETIME(preq_elem);
 		if (ttl <= 1) {
-			ifsta->mshstats.dropped_frames_ttl++;
+			ifmsh->mshstats.dropped_frames_ttl++;
 			return;
 		}
 		--ttl;
@@ -472,20 +471,19 @@ static void hwmp_preq_frame_process(struct net_device *dev,
 		hopcount = PREQ_IE_HOPCOUNT(preq_elem) + 1;
 		mesh_path_sel_frame_tx(MPATH_PREQ, flags, orig_addr,
 				cpu_to_le32(orig_dsn), dst_flags, dst_addr,
-				cpu_to_le32(dst_dsn), dev->broadcast,
+				cpu_to_le32(dst_dsn), sdata->dev->broadcast,
 				hopcount, ttl, cpu_to_le32(lifetime),
 				cpu_to_le32(metric), cpu_to_le32(preq_id),
-				dev);
-		ifsta->mshstats.fwded_frames++;
+				sdata);
+		ifmsh->mshstats.fwded_frames++;
 	}
 }
 
 
-static void hwmp_prep_frame_process(struct net_device *dev,
+static void hwmp_prep_frame_process(struct ieee80211_sub_if_data *sdata,
 				    struct ieee80211_mgmt *mgmt,
 				    u8 *prep_elem, u32 metric)
 {
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 	struct mesh_path *mpath;
 	u8 *dst_addr, *orig_addr;
 	u8 ttl, hopcount, flags;
@@ -499,18 +497,18 @@ static void hwmp_prep_frame_process(struct net_device *dev,
 	 * replies
 	 */
 	dst_addr = PREP_IE_DST_ADDR(prep_elem);
-	if (memcmp(dst_addr, dev->dev_addr, ETH_ALEN) == 0)
+	if (memcmp(dst_addr, sdata->dev->dev_addr, ETH_ALEN) == 0)
 		/* destination, no forwarding required */
 		return;
 
 	ttl = PREP_IE_TTL(prep_elem);
 	if (ttl <= 1) {
-		sdata->u.sta.mshstats.dropped_frames_ttl++;
+		sdata->u.mesh.mshstats.dropped_frames_ttl++;
 		return;
 	}
 
 	rcu_read_lock();
-	mpath = mesh_path_lookup(dst_addr, dev);
+	mpath = mesh_path_lookup(dst_addr, sdata);
 	if (mpath)
 		spin_lock_bh(&mpath->state_lock);
 	else
@@ -519,7 +517,7 @@ static void hwmp_prep_frame_process(struct net_device *dev,
 		spin_unlock_bh(&mpath->state_lock);
 		goto fail;
 	}
-	memcpy(next_hop, mpath->next_hop->addr, ETH_ALEN);
+	memcpy(next_hop, mpath->next_hop->sta.addr, ETH_ALEN);
 	spin_unlock_bh(&mpath->state_lock);
 	--ttl;
 	flags = PREP_IE_FLAGS(prep_elem);
@@ -531,20 +529,20 @@ static void hwmp_prep_frame_process(struct net_device *dev,
 
 	mesh_path_sel_frame_tx(MPATH_PREP, flags, orig_addr,
 		cpu_to_le32(orig_dsn), 0, dst_addr,
-		cpu_to_le32(dst_dsn), mpath->next_hop->addr, hopcount, ttl,
+		cpu_to_le32(dst_dsn), mpath->next_hop->sta.addr, hopcount, ttl,
 		cpu_to_le32(lifetime), cpu_to_le32(metric),
-		0, dev);
+		0, sdata);
 	rcu_read_unlock();
-	sdata->u.sta.mshstats.fwded_frames++;
+	sdata->u.mesh.mshstats.fwded_frames++;
 	return;
 
 fail:
 	rcu_read_unlock();
-	sdata->u.sta.mshstats.dropped_frames_no_route++;
+	sdata->u.mesh.mshstats.dropped_frames_no_route++;
 	return;
 }
 
-static void hwmp_perr_frame_process(struct net_device *dev,
+static void hwmp_perr_frame_process(struct ieee80211_sub_if_data *sdata,
 			     struct ieee80211_mgmt *mgmt, u8 *perr_elem)
 {
 	struct mesh_path *mpath;
@@ -555,18 +553,18 @@ static void hwmp_perr_frame_process(struct net_device *dev,
 	dst_addr = PERR_IE_DST_ADDR(perr_elem);
 	dst_dsn = PERR_IE_DST_DSN(perr_elem);
 	rcu_read_lock();
-	mpath = mesh_path_lookup(dst_addr, dev);
+	mpath = mesh_path_lookup(dst_addr, sdata);
 	if (mpath) {
 		spin_lock_bh(&mpath->state_lock);
 		if (mpath->flags & MESH_PATH_ACTIVE &&
-		    memcmp(ta, mpath->next_hop->addr, ETH_ALEN) == 0 &&
+		    memcmp(ta, mpath->next_hop->sta.addr, ETH_ALEN) == 0 &&
 		    (!(mpath->flags & MESH_PATH_DSN_VALID) ||
 		    DSN_GT(dst_dsn, mpath->dsn))) {
 			mpath->flags &= ~MESH_PATH_ACTIVE;
 			mpath->dsn = dst_dsn;
 			spin_unlock_bh(&mpath->state_lock);
 			mesh_path_error_tx(dst_addr, cpu_to_le32(dst_dsn),
-					   dev->broadcast, dev);
+					   sdata->dev->broadcast, sdata);
 		} else
 			spin_unlock_bh(&mpath->state_lock);
 	}
@@ -575,7 +573,7 @@ static void hwmp_perr_frame_process(struct net_device *dev,
 
 
 
-void mesh_rx_path_sel_frame(struct net_device *dev,
+void mesh_rx_path_sel_frame(struct ieee80211_sub_if_data *sdata,
 			    struct ieee80211_mgmt *mgmt,
 			    size_t len)
 {
@@ -583,6 +581,10 @@ void mesh_rx_path_sel_frame(struct net_device *dev,
 	size_t baselen;
 	u32 last_hop_metric;
 
+	/* need action_code */
+	if (len < IEEE80211_MIN_ACTION_SIZE + 1)
+		return;
+
 	baselen = (u8 *) mgmt->u.action.u.mesh_action.variable - (u8 *) mgmt;
 	ieee802_11_parse_elems(mgmt->u.action.u.mesh_action.variable,
 			len - baselen, &elems);
@@ -592,25 +594,25 @@ void mesh_rx_path_sel_frame(struct net_device *dev,
 		if (!elems.preq || elems.preq_len != 37)
 			/* Right now we support just 1 destination and no AE */
 			return;
-		last_hop_metric = hwmp_route_info_get(dev, mgmt, elems.preq);
+		last_hop_metric = hwmp_route_info_get(sdata, mgmt, elems.preq);
 		if (!last_hop_metric)
 			return;
-		hwmp_preq_frame_process(dev, mgmt, elems.preq, last_hop_metric);
+		hwmp_preq_frame_process(sdata, mgmt, elems.preq, last_hop_metric);
 		break;
 	case MPATH_PREP:
 		if (!elems.prep || elems.prep_len != 31)
 			/* Right now we support no AE */
 			return;
-		last_hop_metric = hwmp_route_info_get(dev, mgmt, elems.prep);
+		last_hop_metric = hwmp_route_info_get(sdata, mgmt, elems.prep);
 		if (!last_hop_metric)
 			return;
-		hwmp_prep_frame_process(dev, mgmt, elems.prep, last_hop_metric);
+		hwmp_prep_frame_process(sdata, mgmt, elems.prep, last_hop_metric);
 		break;
 	case MPATH_PERR:
 		if (!elems.perr || elems.perr_len != 12)
 			/* Right now we support only one destination per PERR */
 			return;
-		hwmp_perr_frame_process(dev, mgmt, elems.perr);
+		hwmp_perr_frame_process(sdata, mgmt, elems.perr);
 	default:
 		return;
 	}
@@ -628,9 +630,8 @@ void mesh_rx_path_sel_frame(struct net_device *dev,
  */
 static void mesh_queue_preq(struct mesh_path *mpath, u8 flags)
 {
-	struct ieee80211_sub_if_data *sdata =
-		IEEE80211_DEV_TO_SUB_IF(mpath->dev);
-	struct ieee80211_if_sta *ifsta = &sdata->u.sta;
+	struct ieee80211_sub_if_data *sdata = mpath->sdata;
+	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
 	struct mesh_preq_queue *preq_node;
 
 	preq_node = kmalloc(sizeof(struct mesh_preq_queue), GFP_KERNEL);
@@ -639,9 +640,9 @@ static void mesh_queue_preq(struct mesh_path *mpath, u8 flags)
 		return;
 	}
 
-	spin_lock(&ifsta->mesh_preq_queue_lock);
-	if (ifsta->preq_queue_len == MAX_PREQ_QUEUE_LEN) {
-		spin_unlock(&ifsta->mesh_preq_queue_lock);
+	spin_lock(&ifmsh->mesh_preq_queue_lock);
+	if (ifmsh->preq_queue_len == MAX_PREQ_QUEUE_LEN) {
+		spin_unlock(&ifmsh->mesh_preq_queue_lock);
 		kfree(preq_node);
 		if (printk_ratelimit())
 			printk(KERN_DEBUG "Mesh HWMP: PREQ node queue full\n");
@@ -651,55 +652,53 @@ static void mesh_queue_preq(struct mesh_path *mpath, u8 flags)
 	memcpy(preq_node->dst, mpath->dst, ETH_ALEN);
 	preq_node->flags = flags;
 
-	list_add_tail(&preq_node->list, &ifsta->preq_queue.list);
-	++ifsta->preq_queue_len;
-	spin_unlock(&ifsta->mesh_preq_queue_lock);
+	list_add_tail(&preq_node->list, &ifmsh->preq_queue.list);
+	++ifmsh->preq_queue_len;
+	spin_unlock(&ifmsh->mesh_preq_queue_lock);
 
-	if (time_after(jiffies, ifsta->last_preq + min_preq_int_jiff(sdata)))
-		queue_work(sdata->local->hw.workqueue, &ifsta->work);
+	if (time_after(jiffies, ifmsh->last_preq + min_preq_int_jiff(sdata)))
+		queue_work(sdata->local->hw.workqueue, &ifmsh->work);
 
-	else if (time_before(jiffies, ifsta->last_preq)) {
+	else if (time_before(jiffies, ifmsh->last_preq)) {
 		/* avoid long wait if did not send preqs for a long time
 		 * and jiffies wrapped around
 		 */
-		ifsta->last_preq = jiffies - min_preq_int_jiff(sdata) - 1;
-		queue_work(sdata->local->hw.workqueue, &ifsta->work);
+		ifmsh->last_preq = jiffies - min_preq_int_jiff(sdata) - 1;
+		queue_work(sdata->local->hw.workqueue, &ifmsh->work);
 	} else
-		mod_timer(&ifsta->mesh_path_timer, ifsta->last_preq +
+		mod_timer(&ifmsh->mesh_path_timer, ifmsh->last_preq +
 						min_preq_int_jiff(sdata));
 }
 
 /**
  * mesh_path_start_discovery - launch a path discovery from the PREQ queue
  *
- * @dev: local mesh interface
+ * @sdata: local mesh subif
  */
-void mesh_path_start_discovery(struct net_device *dev)
+void mesh_path_start_discovery(struct ieee80211_sub_if_data *sdata)
 {
-	struct ieee80211_sub_if_data *sdata =
-		IEEE80211_DEV_TO_SUB_IF(dev);
-	struct ieee80211_if_sta *ifsta = &sdata->u.sta;
+	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
 	struct mesh_preq_queue *preq_node;
 	struct mesh_path *mpath;
 	u8 ttl, dst_flags;
 	u32 lifetime;
 
-	spin_lock(&ifsta->mesh_preq_queue_lock);
-	if (!ifsta->preq_queue_len ||
-		time_before(jiffies, ifsta->last_preq +
+	spin_lock(&ifmsh->mesh_preq_queue_lock);
+	if (!ifmsh->preq_queue_len ||
+		time_before(jiffies, ifmsh->last_preq +
 				min_preq_int_jiff(sdata))) {
-		spin_unlock(&ifsta->mesh_preq_queue_lock);
+		spin_unlock(&ifmsh->mesh_preq_queue_lock);
 		return;
 	}
 
-	preq_node = list_first_entry(&ifsta->preq_queue.list,
+	preq_node = list_first_entry(&ifmsh->preq_queue.list,
 			struct mesh_preq_queue, list);
 	list_del(&preq_node->list);
-	--ifsta->preq_queue_len;
-	spin_unlock(&ifsta->mesh_preq_queue_lock);
+	--ifmsh->preq_queue_len;
+	spin_unlock(&ifmsh->mesh_preq_queue_lock);
 
 	rcu_read_lock();
-	mpath = mesh_path_lookup(preq_node->dst, dev);
+	mpath = mesh_path_lookup(preq_node->dst, sdata);
 	if (!mpath)
 		goto enddiscovery;
 
@@ -721,18 +720,18 @@ void mesh_path_start_discovery(struct net_device *dev)
 		goto enddiscovery;
 	}
 
-	ifsta->last_preq = jiffies;
+	ifmsh->last_preq = jiffies;
 
-	if (time_after(jiffies, ifsta->last_dsn_update +
+	if (time_after(jiffies, ifmsh->last_dsn_update +
 				net_traversal_jiffies(sdata)) ||
-	    time_before(jiffies, ifsta->last_dsn_update)) {
-		++ifsta->dsn;
-		sdata->u.sta.last_dsn_update = jiffies;
+	    time_before(jiffies, ifmsh->last_dsn_update)) {
+		++ifmsh->dsn;
+		sdata->u.mesh.last_dsn_update = jiffies;
 	}
 	lifetime = default_lifetime(sdata);
-	ttl = sdata->u.sta.mshcfg.dot11MeshTTL;
+	ttl = sdata->u.mesh.mshcfg.dot11MeshTTL;
 	if (ttl == 0) {
-		sdata->u.sta.mshstats.dropped_frames_ttl++;
+		sdata->u.mesh.mshstats.dropped_frames_ttl++;
 		spin_unlock_bh(&mpath->state_lock);
 		goto enddiscovery;
 	}
@@ -743,11 +742,11 @@ void mesh_path_start_discovery(struct net_device *dev)
 		dst_flags = MP_F_RF;
 
 	spin_unlock_bh(&mpath->state_lock);
-	mesh_path_sel_frame_tx(MPATH_PREQ, 0, dev->dev_addr,
-			cpu_to_le32(ifsta->dsn), dst_flags, mpath->dst,
-			cpu_to_le32(mpath->dsn), dev->broadcast, 0,
+	mesh_path_sel_frame_tx(MPATH_PREQ, 0, sdata->dev->dev_addr,
+			cpu_to_le32(ifmsh->dsn), dst_flags, mpath->dst,
+			cpu_to_le32(mpath->dsn), sdata->dev->broadcast, 0,
 			ttl, cpu_to_le32(lifetime), 0,
-			cpu_to_le32(ifsta->preq_id++), dev);
+			cpu_to_le32(ifmsh->preq_id++), sdata);
 	mod_timer(&mpath->timer, jiffies + mpath->discovery_timeout);
 
 enddiscovery:
@@ -759,7 +758,7 @@ enddiscovery:
  * ieee80211s_lookup_nexthop - put the appropriate next hop on a mesh frame
  *
  * @skb: 802.11 frame to be sent
- * @dev: network device the frame will be sent through
+ * @sdata: network subif the frame will be sent through
  * @fwd_frame: true if this frame was originally from a different host
  *
  * Returns: 0 if the next hop was found. Nonzero otherwise. If no next hop is
@@ -767,9 +766,9 @@ enddiscovery:
  * sent when the path is resolved. This means the caller must not free the skb
  * in this case.
  */
-int mesh_nexthop_lookup(struct sk_buff *skb, struct net_device *dev)
+int mesh_nexthop_lookup(struct sk_buff *skb,
+			struct ieee80211_sub_if_data *sdata)
 {
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 	struct sk_buff *skb_to_free = NULL;
 	struct mesh_path *mpath;
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
@@ -777,14 +776,14 @@ int mesh_nexthop_lookup(struct sk_buff *skb, struct net_device *dev)
 	int err = 0;
 
 	rcu_read_lock();
-	mpath = mesh_path_lookup(dst_addr, dev);
+	mpath = mesh_path_lookup(dst_addr, sdata);
 
 	if (!mpath) {
-		mesh_path_add(dst_addr, dev);
-		mpath = mesh_path_lookup(dst_addr, dev);
+		mesh_path_add(dst_addr, sdata);
+		mpath = mesh_path_lookup(dst_addr, sdata);
 		if (!mpath) {
 			dev_kfree_skb(skb);
-			sdata->u.sta.mshstats.dropped_frames_no_route++;
+			sdata->u.mesh.mshstats.dropped_frames_no_route++;
 			err = -ENOSPC;
 			goto endlookup;
 		}
@@ -792,14 +791,15 @@ int mesh_nexthop_lookup(struct sk_buff *skb, struct net_device *dev)
 
 	if (mpath->flags & MESH_PATH_ACTIVE) {
 		if (time_after(jiffies, mpath->exp_time -
-			msecs_to_jiffies(sdata->u.sta.mshcfg.path_refresh_time))
-				&& !memcmp(dev->dev_addr, hdr->addr4, ETH_ALEN)
+			msecs_to_jiffies(sdata->u.mesh.mshcfg.path_refresh_time))
+				&& !memcmp(sdata->dev->dev_addr, hdr->addr4,
+					   ETH_ALEN)
 				&& !(mpath->flags & MESH_PATH_RESOLVING)
 				&& !(mpath->flags & MESH_PATH_FIXED)) {
 			mesh_queue_preq(mpath,
 					PREQ_Q_F_START | PREQ_Q_F_REFRESH);
 		}
-		memcpy(hdr->addr1, mpath->next_hop->addr,
+		memcpy(hdr->addr1, mpath->next_hop->sta.addr,
 				ETH_ALEN);
 	} else {
 		if (!(mpath->flags & MESH_PATH_RESOLVING)) {
@@ -815,7 +815,7 @@ int mesh_nexthop_lookup(struct sk_buff *skb, struct net_device *dev)
 
 		skb_queue_tail(&mpath->frame_queue, skb);
 		if (skb_to_free)
-			mesh_path_discard_frame(skb_to_free, dev);
+			mesh_path_discard_frame(skb_to_free, sdata);
 		err = -ENOENT;
 	}
 
@@ -835,7 +835,7 @@ void mesh_path_timer(unsigned long data)
 	if (!mpath)
 		goto endmpathtimer;
 	spin_lock_bh(&mpath->state_lock);
-	sdata = IEEE80211_DEV_TO_SUB_IF(mpath->dev);
+	sdata = mpath->sdata;
 	if (mpath->flags & MESH_PATH_RESOLVED ||
 			(!(mpath->flags & MESH_PATH_RESOLVING)))
 		mpath->flags &= ~(MESH_PATH_RESOLVING | MESH_PATH_RESOLVED);
diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c
index 838ee60492a..3c72557df45 100644
--- a/net/mac80211/mesh_pathtbl.c
+++ b/net/mac80211/mesh_pathtbl.c
@@ -9,7 +9,6 @@
 
 #include <linux/etherdevice.h>
 #include <linux/list.h>
-#include <linux/netdevice.h>
 #include <linux/random.h>
 #include <linux/spinlock.h>
 #include <linux/string.h>
@@ -37,6 +36,7 @@ struct mpath_node {
 };
 
 static struct mesh_table *mesh_paths;
+static struct mesh_table *mpp_paths; /* Store paths for MPP&MAP */
 
 /* This lock will have the grow table function as writer and add / delete nodes
  * as readers. When reading the table (i.e. doing lookups) we are well protected
@@ -62,13 +62,13 @@ void mesh_path_assign_nexthop(struct mesh_path *mpath, struct sta_info *sta)
 /**
  * mesh_path_lookup - look up a path in the mesh path table
  * @dst: hardware address (ETH_ALEN length) of destination
- * @dev: local interface
+ * @sdata: local subif
  *
  * Returns: pointer to the mesh path structure, or NULL if not found
  *
  * Locking: must be called within a read rcu section.
  */
-struct mesh_path *mesh_path_lookup(u8 *dst, struct net_device *dev)
+struct mesh_path *mesh_path_lookup(u8 *dst, struct ieee80211_sub_if_data *sdata)
 {
 	struct mesh_path *mpath;
 	struct hlist_node *n;
@@ -78,10 +78,10 @@ struct mesh_path *mesh_path_lookup(u8 *dst, struct net_device *dev)
 
 	tbl = rcu_dereference(mesh_paths);
 
-	bucket = &tbl->hash_buckets[mesh_table_hash(dst, dev, tbl)];
+	bucket = &tbl->hash_buckets[mesh_table_hash(dst, sdata, tbl)];
 	hlist_for_each_entry_rcu(node, n, bucket, list) {
 		mpath = node->mpath;
-		if (mpath->dev == dev &&
+		if (mpath->sdata == sdata &&
 				memcmp(dst, mpath->dst, ETH_ALEN) == 0) {
 			if (MPATH_EXPIRED(mpath)) {
 				spin_lock_bh(&mpath->state_lock);
@@ -95,16 +95,44 @@ struct mesh_path *mesh_path_lookup(u8 *dst, struct net_device *dev)
 	return NULL;
 }
 
+struct mesh_path *mpp_path_lookup(u8 *dst, struct ieee80211_sub_if_data *sdata)
+{
+	struct mesh_path *mpath;
+	struct hlist_node *n;
+	struct hlist_head *bucket;
+	struct mesh_table *tbl;
+	struct mpath_node *node;
+
+	tbl = rcu_dereference(mpp_paths);
+
+	bucket = &tbl->hash_buckets[mesh_table_hash(dst, sdata, tbl)];
+	hlist_for_each_entry_rcu(node, n, bucket, list) {
+		mpath = node->mpath;
+		if (mpath->sdata == sdata &&
+		    memcmp(dst, mpath->dst, ETH_ALEN) == 0) {
+			if (MPATH_EXPIRED(mpath)) {
+				spin_lock_bh(&mpath->state_lock);
+				if (MPATH_EXPIRED(mpath))
+					mpath->flags &= ~MESH_PATH_ACTIVE;
+				spin_unlock_bh(&mpath->state_lock);
+			}
+			return mpath;
+		}
+	}
+	return NULL;
+}
+
+
 /**
  * mesh_path_lookup_by_idx - look up a path in the mesh path table by its index
  * @idx: index
- * @dev: local interface, or NULL for all entries
+ * @sdata: local subif, or NULL for all entries
  *
  * Returns: pointer to the mesh path structure, or NULL if not found.
  *
  * Locking: must be called within a read rcu section.
  */
-struct mesh_path *mesh_path_lookup_by_idx(int idx, struct net_device *dev)
+struct mesh_path *mesh_path_lookup_by_idx(int idx, struct ieee80211_sub_if_data *sdata)
 {
 	struct mpath_node *node;
 	struct hlist_node *p;
@@ -112,7 +140,7 @@ struct mesh_path *mesh_path_lookup_by_idx(int idx, struct net_device *dev)
 	int j = 0;
 
 	for_each_mesh_entry(mesh_paths, p, node, i) {
-		if (dev && node->mpath->dev != dev)
+		if (sdata && node->mpath->sdata != sdata)
 			continue;
 		if (j++ == idx) {
 			if (MPATH_EXPIRED(node->mpath)) {
@@ -131,15 +159,14 @@ struct mesh_path *mesh_path_lookup_by_idx(int idx, struct net_device *dev)
 /**
  * mesh_path_add - allocate and add a new path to the mesh path table
  * @addr: destination address of the path (ETH_ALEN length)
- * @dev: local interface
+ * @sdata: local subif
  *
  * Returns: 0 on sucess
  *
  * State: the initial state of the new path is set to 0
  */
-int mesh_path_add(u8 *dst, struct net_device *dev)
+int mesh_path_add(u8 *dst, struct ieee80211_sub_if_data *sdata)
 {
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 	struct mesh_path *mpath, *new_mpath;
 	struct mpath_node *node, *new_node;
 	struct hlist_head *bucket;
@@ -148,14 +175,14 @@ int mesh_path_add(u8 *dst, struct net_device *dev)
 	int err = 0;
 	u32 hash_idx;
 
-	if (memcmp(dst, dev->dev_addr, ETH_ALEN) == 0)
+	if (memcmp(dst, sdata->dev->dev_addr, ETH_ALEN) == 0)
 		/* never add ourselves as neighbours */
 		return -ENOTSUPP;
 
 	if (is_multicast_ether_addr(dst))
 		return -ENOTSUPP;
 
-	if (atomic_add_unless(&sdata->u.sta.mpaths, 1, MESH_MAX_MPATHS) == 0)
+	if (atomic_add_unless(&sdata->u.mesh.mpaths, 1, MESH_MAX_MPATHS) == 0)
 		return -ENOSPC;
 
 	err = -ENOMEM;
@@ -169,7 +196,7 @@ int mesh_path_add(u8 *dst, struct net_device *dev)
 
 	read_lock(&pathtbl_resize_lock);
 	memcpy(new_mpath->dst, dst, ETH_ALEN);
-	new_mpath->dev = dev;
+	new_mpath->sdata = sdata;
 	new_mpath->flags = 0;
 	skb_queue_head_init(&new_mpath->frame_queue);
 	new_node->mpath = new_mpath;
@@ -179,7 +206,7 @@ int mesh_path_add(u8 *dst, struct net_device *dev)
 	spin_lock_init(&new_mpath->state_lock);
 	init_timer(&new_mpath->timer);
 
-	hash_idx = mesh_table_hash(dst, dev, mesh_paths);
+	hash_idx = mesh_table_hash(dst, sdata, mesh_paths);
 	bucket = &mesh_paths->hash_buckets[hash_idx];
 
 	spin_lock(&mesh_paths->hashwlock[hash_idx]);
@@ -187,7 +214,7 @@ int mesh_path_add(u8 *dst, struct net_device *dev)
 	err = -EEXIST;
 	hlist_for_each_entry(node, n, bucket, list) {
 		mpath = node->mpath;
-		if (mpath->dev == dev && memcmp(dst, mpath->dst, ETH_ALEN) == 0)
+		if (mpath->sdata == sdata && memcmp(dst, mpath->dst, ETH_ALEN) == 0)
 			goto err_exists;
 	}
 
@@ -223,7 +250,92 @@ err_exists:
 err_node_alloc:
 	kfree(new_mpath);
 err_path_alloc:
-	atomic_dec(&sdata->u.sta.mpaths);
+	atomic_dec(&sdata->u.mesh.mpaths);
+	return err;
+}
+
+
+int mpp_path_add(u8 *dst, u8 *mpp, struct ieee80211_sub_if_data *sdata)
+{
+	struct mesh_path *mpath, *new_mpath;
+	struct mpath_node *node, *new_node;
+	struct hlist_head *bucket;
+	struct hlist_node *n;
+	int grow = 0;
+	int err = 0;
+	u32 hash_idx;
+
+
+	if (memcmp(dst, sdata->dev->dev_addr, ETH_ALEN) == 0)
+		/* never add ourselves as neighbours */
+		return -ENOTSUPP;
+
+	if (is_multicast_ether_addr(dst))
+		return -ENOTSUPP;
+
+	err = -ENOMEM;
+	new_mpath = kzalloc(sizeof(struct mesh_path), GFP_KERNEL);
+	if (!new_mpath)
+		goto err_path_alloc;
+
+	new_node = kmalloc(sizeof(struct mpath_node), GFP_KERNEL);
+	if (!new_node)
+		goto err_node_alloc;
+
+	read_lock(&pathtbl_resize_lock);
+	memcpy(new_mpath->dst, dst, ETH_ALEN);
+	memcpy(new_mpath->mpp, mpp, ETH_ALEN);
+	new_mpath->sdata = sdata;
+	new_mpath->flags = 0;
+	skb_queue_head_init(&new_mpath->frame_queue);
+	new_node->mpath = new_mpath;
+	new_mpath->exp_time = jiffies;
+	spin_lock_init(&new_mpath->state_lock);
+
+	hash_idx = mesh_table_hash(dst, sdata, mpp_paths);
+	bucket = &mpp_paths->hash_buckets[hash_idx];
+
+	spin_lock(&mpp_paths->hashwlock[hash_idx]);
+
+	err = -EEXIST;
+	hlist_for_each_entry(node, n, bucket, list) {
+		mpath = node->mpath;
+		if (mpath->sdata == sdata && memcmp(dst, mpath->dst, ETH_ALEN) == 0)
+			goto err_exists;
+	}
+
+	hlist_add_head_rcu(&new_node->list, bucket);
+	if (atomic_inc_return(&mpp_paths->entries) >=
+		mpp_paths->mean_chain_len * (mpp_paths->hash_mask + 1))
+		grow = 1;
+
+	spin_unlock(&mpp_paths->hashwlock[hash_idx]);
+	read_unlock(&pathtbl_resize_lock);
+	if (grow) {
+		struct mesh_table *oldtbl, *newtbl;
+
+		write_lock(&pathtbl_resize_lock);
+		oldtbl = mpp_paths;
+		newtbl = mesh_table_grow(mpp_paths);
+		if (!newtbl) {
+			write_unlock(&pathtbl_resize_lock);
+			return 0;
+		}
+		rcu_assign_pointer(mpp_paths, newtbl);
+		write_unlock(&pathtbl_resize_lock);
+
+		synchronize_rcu();
+		mesh_table_free(oldtbl, false);
+	}
+	return 0;
+
+err_exists:
+	spin_unlock(&mpp_paths->hashwlock[hash_idx]);
+	read_unlock(&pathtbl_resize_lock);
+	kfree(new_node);
+err_node_alloc:
+	kfree(new_mpath);
+err_path_alloc:
 	return err;
 }
 
@@ -241,7 +353,7 @@ void mesh_plink_broken(struct sta_info *sta)
 	struct mesh_path *mpath;
 	struct mpath_node *node;
 	struct hlist_node *p;
-	struct net_device *dev = sta->sdata->dev;
+	struct ieee80211_sub_if_data *sdata = sta->sdata;
 	int i;
 
 	rcu_read_lock();
@@ -256,7 +368,7 @@ void mesh_plink_broken(struct sta_info *sta)
 			spin_unlock_bh(&mpath->state_lock);
 			mesh_path_error_tx(mpath->dst,
 					cpu_to_le32(mpath->dsn),
-					dev->broadcast, dev);
+					sdata->dev->broadcast, sdata);
 		} else
 		spin_unlock_bh(&mpath->state_lock);
 	}
@@ -284,11 +396,11 @@ void mesh_path_flush_by_nexthop(struct sta_info *sta)
 	for_each_mesh_entry(mesh_paths, p, node, i) {
 		mpath = node->mpath;
 		if (mpath->next_hop == sta)
-			mesh_path_del(mpath->dst, mpath->dev);
+			mesh_path_del(mpath->dst, mpath->sdata);
 	}
 }
 
-void mesh_path_flush(struct net_device *dev)
+void mesh_path_flush(struct ieee80211_sub_if_data *sdata)
 {
 	struct mesh_path *mpath;
 	struct mpath_node *node;
@@ -297,19 +409,18 @@ void mesh_path_flush(struct net_device *dev)
 
 	for_each_mesh_entry(mesh_paths, p, node, i) {
 		mpath = node->mpath;
-		if (mpath->dev == dev)
-			mesh_path_del(mpath->dst, mpath->dev);
+		if (mpath->sdata == sdata)
+			mesh_path_del(mpath->dst, mpath->sdata);
 	}
 }
 
 static void mesh_path_node_reclaim(struct rcu_head *rp)
 {
 	struct mpath_node *node = container_of(rp, struct mpath_node, rcu);
-	struct ieee80211_sub_if_data *sdata =
-		IEEE80211_DEV_TO_SUB_IF(node->mpath->dev);
+	struct ieee80211_sub_if_data *sdata = node->mpath->sdata;
 
 	del_timer_sync(&node->mpath->timer);
-	atomic_dec(&sdata->u.sta.mpaths);
+	atomic_dec(&sdata->u.mesh.mpaths);
 	kfree(node->mpath);
 	kfree(node);
 }
@@ -318,11 +429,11 @@ static void mesh_path_node_reclaim(struct rcu_head *rp)
  * mesh_path_del - delete a mesh path from the table
  *
  * @addr: dst address (ETH_ALEN length)
- * @dev: local interface
+ * @sdata: local subif
  *
  * Returns: 0 if succesful
  */
-int mesh_path_del(u8 *addr, struct net_device *dev)
+int mesh_path_del(u8 *addr, struct ieee80211_sub_if_data *sdata)
 {
 	struct mesh_path *mpath;
 	struct mpath_node *node;
@@ -332,13 +443,13 @@ int mesh_path_del(u8 *addr, struct net_device *dev)
 	int err = 0;
 
 	read_lock(&pathtbl_resize_lock);
-	hash_idx = mesh_table_hash(addr, dev, mesh_paths);
+	hash_idx = mesh_table_hash(addr, sdata, mesh_paths);
 	bucket = &mesh_paths->hash_buckets[hash_idx];
 
 	spin_lock(&mesh_paths->hashwlock[hash_idx]);
 	hlist_for_each_entry(node, n, bucket, list) {
 		mpath = node->mpath;
-		if (mpath->dev == dev &&
+		if (mpath->sdata == sdata &&
 				memcmp(addr, mpath->dst, ETH_ALEN) == 0) {
 			spin_lock_bh(&mpath->state_lock);
 			mpath->flags |= MESH_PATH_RESOLVING;
@@ -378,33 +489,33 @@ void mesh_path_tx_pending(struct mesh_path *mpath)
  * mesh_path_discard_frame - discard a frame whose path could not be resolved
  *
  * @skb: frame to discard
- * @dev: network device the frame was to be sent through
+ * @sdata: network subif the frame was to be sent through
  *
  * If the frame was beign forwarded from another MP, a PERR frame will be sent
  * to the precursor.
  *
  * Locking: the function must me called within a rcu_read_lock region
  */
-void mesh_path_discard_frame(struct sk_buff *skb, struct net_device *dev)
+void mesh_path_discard_frame(struct sk_buff *skb,
+			     struct ieee80211_sub_if_data *sdata)
 {
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
 	struct mesh_path *mpath;
 	u32 dsn = 0;
 
-	if (memcmp(hdr->addr4, dev->dev_addr, ETH_ALEN) != 0) {
+	if (memcmp(hdr->addr4, sdata->dev->dev_addr, ETH_ALEN) != 0) {
 		u8 *ra, *da;
 
 		da = hdr->addr3;
 		ra = hdr->addr2;
-		mpath = mesh_path_lookup(da, dev);
+		mpath = mesh_path_lookup(da, sdata);
 		if (mpath)
 			dsn = ++mpath->dsn;
-		mesh_path_error_tx(skb->data, cpu_to_le32(dsn), ra, dev);
+		mesh_path_error_tx(skb->data, cpu_to_le32(dsn), ra, sdata);
 	}
 
 	kfree_skb(skb);
-	sdata->u.sta.mshstats.dropped_frames_no_route++;
+	sdata->u.mesh.mshstats.dropped_frames_no_route++;
 }
 
 /**
@@ -416,14 +527,11 @@ void mesh_path_discard_frame(struct sk_buff *skb, struct net_device *dev)
  */
 void mesh_path_flush_pending(struct mesh_path *mpath)
 {
-	struct ieee80211_sub_if_data *sdata;
 	struct sk_buff *skb;
 
-	sdata = IEEE80211_DEV_TO_SUB_IF(mpath->dev);
-
 	while ((skb = skb_dequeue(&mpath->frame_queue)) &&
 			(mpath->flags & MESH_PATH_ACTIVE))
-		mesh_path_discard_frame(skb, mpath->dev);
+		mesh_path_discard_frame(skb, mpath->sdata);
 }
 
 /**
@@ -472,7 +580,7 @@ static int mesh_path_node_copy(struct hlist_node *p, struct mesh_table *newtbl)
 	node = hlist_entry(p, struct mpath_node, list);
 	mpath = node->mpath;
 	new_node->mpath = mpath;
-	hash_idx = mesh_table_hash(mpath->dst, mpath->dev, newtbl);
+	hash_idx = mesh_table_hash(mpath->dst, mpath->sdata, newtbl);
 	hlist_add_head(&new_node->list,
 			&newtbl->hash_buckets[hash_idx]);
 	return 0;
@@ -481,15 +589,25 @@ static int mesh_path_node_copy(struct hlist_node *p, struct mesh_table *newtbl)
 int mesh_pathtbl_init(void)
 {
 	mesh_paths = mesh_table_alloc(INIT_PATHS_SIZE_ORDER);
+	if (!mesh_paths)
+		return -ENOMEM;
 	mesh_paths->free_node = &mesh_path_node_free;
 	mesh_paths->copy_node = &mesh_path_node_copy;
 	mesh_paths->mean_chain_len = MEAN_CHAIN_LEN;
-	if (!mesh_paths)
+
+	mpp_paths = mesh_table_alloc(INIT_PATHS_SIZE_ORDER);
+	if (!mpp_paths) {
+		mesh_table_free(mesh_paths, true);
 		return -ENOMEM;
+	}
+	mpp_paths->free_node = &mesh_path_node_free;
+	mpp_paths->copy_node = &mesh_path_node_copy;
+	mpp_paths->mean_chain_len = MEAN_CHAIN_LEN;
+
 	return 0;
 }
 
-void mesh_path_expire(struct net_device *dev)
+void mesh_path_expire(struct ieee80211_sub_if_data *sdata)
 {
 	struct mesh_path *mpath;
 	struct mpath_node *node;
@@ -498,7 +616,7 @@ void mesh_path_expire(struct net_device *dev)
 
 	read_lock(&pathtbl_resize_lock);
 	for_each_mesh_entry(mesh_paths, p, node, i) {
-		if (node->mpath->dev != dev)
+		if (node->mpath->sdata != sdata)
 			continue;
 		mpath = node->mpath;
 		spin_lock_bh(&mpath->state_lock);
@@ -507,7 +625,7 @@ void mesh_path_expire(struct net_device *dev)
 			time_after(jiffies,
 			 mpath->exp_time + MESH_PATH_EXPIRE)) {
 			spin_unlock_bh(&mpath->state_lock);
-			mesh_path_del(mpath->dst, mpath->dev);
+			mesh_path_del(mpath->dst, mpath->sdata);
 		} else
 			spin_unlock_bh(&mpath->state_lock);
 	}
@@ -517,4 +635,5 @@ void mesh_path_expire(struct net_device *dev)
 void mesh_pathtbl_unregister(void)
 {
 	mesh_table_free(mesh_paths, true);
+	mesh_table_free(mpp_paths, true);
 }
diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c
index 9efeb1f0702..faac101c0f8 100644
--- a/net/mac80211/mesh_plink.c
+++ b/net/mac80211/mesh_plink.c
@@ -36,11 +36,11 @@
 #define MESH_SECURITY_AUTHENTICATION_IMPOSSIBLE	9
 #define MESH_SECURITY_FAILED_VERIFICATION	10
 
-#define dot11MeshMaxRetries(s) (s->u.sta.mshcfg.dot11MeshMaxRetries)
-#define dot11MeshRetryTimeout(s) (s->u.sta.mshcfg.dot11MeshRetryTimeout)
-#define dot11MeshConfirmTimeout(s) (s->u.sta.mshcfg.dot11MeshConfirmTimeout)
-#define dot11MeshHoldingTimeout(s) (s->u.sta.mshcfg.dot11MeshHoldingTimeout)
-#define dot11MeshMaxPeerLinks(s) (s->u.sta.mshcfg.dot11MeshMaxPeerLinks)
+#define dot11MeshMaxRetries(s) (s->u.mesh.mshcfg.dot11MeshMaxRetries)
+#define dot11MeshRetryTimeout(s) (s->u.mesh.mshcfg.dot11MeshRetryTimeout)
+#define dot11MeshConfirmTimeout(s) (s->u.mesh.mshcfg.dot11MeshConfirmTimeout)
+#define dot11MeshHoldingTimeout(s) (s->u.mesh.mshcfg.dot11MeshHoldingTimeout)
+#define dot11MeshMaxPeerLinks(s) (s->u.mesh.mshcfg.dot11MeshMaxPeerLinks)
 
 enum plink_frame_type {
 	PLINK_OPEN = 0,
@@ -63,14 +63,14 @@ enum plink_event {
 static inline
 void mesh_plink_inc_estab_count(struct ieee80211_sub_if_data *sdata)
 {
-	atomic_inc(&sdata->u.sta.mshstats.estab_plinks);
+	atomic_inc(&sdata->u.mesh.mshstats.estab_plinks);
 	mesh_accept_plinks_update(sdata);
 }
 
 static inline
 void mesh_plink_dec_estab_count(struct ieee80211_sub_if_data *sdata)
 {
-	atomic_dec(&sdata->u.sta.mshstats.estab_plinks);
+	atomic_dec(&sdata->u.mesh.mshstats.estab_plinks);
 	mesh_accept_plinks_update(sdata);
 }
 
@@ -106,7 +106,7 @@ static struct sta_info *mesh_plink_alloc(struct ieee80211_sub_if_data *sdata,
 		return NULL;
 
 	sta->flags = WLAN_STA_AUTHORIZED;
-	sta->supp_rates[local->hw.conf.channel->band] = rates;
+	sta->sta.supp_rates[local->hw.conf.channel->band] = rates;
 
 	return sta;
 }
@@ -144,10 +144,10 @@ void mesh_plink_deactivate(struct sta_info *sta)
 	spin_unlock_bh(&sta->lock);
 }
 
-static int mesh_plink_frame_tx(struct net_device *dev,
+static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata,
 		enum plink_frame_type action, u8 *da, __le16 llid, __le16 plid,
 		__le16 reason) {
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+	struct ieee80211_local *local = sdata->local;
 	struct sk_buff *skb = dev_alloc_skb(local->hw.extra_tx_headroom + 400);
 	struct ieee80211_mgmt *mgmt;
 	bool include_plid = false;
@@ -163,10 +163,10 @@ static int mesh_plink_frame_tx(struct net_device *dev,
 	mgmt = (struct ieee80211_mgmt *)
 		skb_put(skb, 25 + sizeof(mgmt->u.action.u.plink_action));
 	memset(mgmt, 0, 25 + sizeof(mgmt->u.action.u.plink_action));
-	mgmt->frame_control = IEEE80211_FC(IEEE80211_FTYPE_MGMT,
-					   IEEE80211_STYPE_ACTION);
+	mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
+					  IEEE80211_STYPE_ACTION);
 	memcpy(mgmt->da, da, ETH_ALEN);
-	memcpy(mgmt->sa, dev->dev_addr, ETH_ALEN);
+	memcpy(mgmt->sa, sdata->dev->dev_addr, ETH_ALEN);
 	/* BSSID is left zeroed, wildcard value */
 	mgmt->u.action.category = PLINK_CATEGORY;
 	mgmt->u.action.u.plink_action.action_code = action;
@@ -180,7 +180,7 @@ static int mesh_plink_frame_tx(struct net_device *dev,
 			/* two-byte status code followed by two-byte AID */
 			memset(pos, 0, 4);
 		}
-		mesh_mgmt_ies_add(skb, dev);
+		mesh_mgmt_ies_add(skb, sdata);
 	}
 
 	/* Add Peer Link Management element */
@@ -217,15 +217,14 @@ static int mesh_plink_frame_tx(struct net_device *dev,
 		memcpy(pos, &reason, 2);
 	}
 
-	ieee80211_sta_tx(dev, skb, 0);
+	ieee80211_tx_skb(sdata, skb, 0);
 	return 0;
 }
 
-void mesh_neighbour_update(u8 *hw_addr, u64 rates, struct net_device *dev,
+void mesh_neighbour_update(u8 *hw_addr, u64 rates, struct ieee80211_sub_if_data *sdata,
 			   bool peer_accepting_plinks)
 {
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+	struct ieee80211_local *local = sdata->local;
 	struct sta_info *sta;
 
 	rcu_read_lock();
@@ -244,10 +243,10 @@ void mesh_neighbour_update(u8 *hw_addr, u64 rates, struct net_device *dev,
 	}
 
 	sta->last_rx = jiffies;
-	sta->supp_rates[local->hw.conf.channel->band] = rates;
+	sta->sta.supp_rates[local->hw.conf.channel->band] = rates;
 	if (peer_accepting_plinks && sta->plink_state == PLINK_LISTEN &&
-			sdata->u.sta.accepting_plinks &&
-			sdata->u.sta.mshcfg.auto_open_plinks)
+			sdata->u.mesh.accepting_plinks &&
+			sdata->u.mesh.mshcfg.auto_open_plinks)
 		mesh_plink_open(sta);
 
 	rcu_read_unlock();
@@ -257,7 +256,6 @@ static void mesh_plink_timer(unsigned long data)
 {
 	struct sta_info *sta;
 	__le16 llid, plid, reason;
-	struct net_device *dev = NULL;
 	struct ieee80211_sub_if_data *sdata;
 #ifdef CONFIG_MAC80211_VERBOSE_MPL_DEBUG
 	DECLARE_MAC_BUF(mac);
@@ -277,12 +275,11 @@ static void mesh_plink_timer(unsigned long data)
 		return;
 	}
 	mpl_dbg("Mesh plink timer for %s fired on state %d\n",
-			print_mac(mac, sta->addr), sta->plink_state);
+			print_mac(mac, sta->sta.addr), sta->plink_state);
 	reason = 0;
 	llid = sta->llid;
 	plid = sta->plid;
 	sdata = sta->sdata;
-	dev = sdata->dev;
 
 	switch (sta->plink_state) {
 	case PLINK_OPN_RCVD:
@@ -291,7 +288,7 @@ static void mesh_plink_timer(unsigned long data)
 		if (sta->plink_retries < dot11MeshMaxRetries(sdata)) {
 			u32 rand;
 			mpl_dbg("Mesh plink for %s (retry, timeout): %d %d\n",
-					print_mac(mac, sta->addr),
+					print_mac(mac, sta->sta.addr),
 					sta->plink_retries, sta->plink_timeout);
 			get_random_bytes(&rand, sizeof(u32));
 			sta->plink_timeout = sta->plink_timeout +
@@ -299,7 +296,7 @@ static void mesh_plink_timer(unsigned long data)
 			++sta->plink_retries;
 			mod_plink_timer(sta, sta->plink_timeout);
 			spin_unlock_bh(&sta->lock);
-			mesh_plink_frame_tx(dev, PLINK_OPEN, sta->addr, llid,
+			mesh_plink_frame_tx(sdata, PLINK_OPEN, sta->sta.addr, llid,
 					    0, 0);
 			break;
 		}
@@ -312,7 +309,7 @@ static void mesh_plink_timer(unsigned long data)
 		sta->plink_state = PLINK_HOLDING;
 		mod_plink_timer(sta, dot11MeshHoldingTimeout(sdata));
 		spin_unlock_bh(&sta->lock);
-		mesh_plink_frame_tx(dev, PLINK_CLOSE, sta->addr, llid, plid,
+		mesh_plink_frame_tx(sdata, PLINK_CLOSE, sta->sta.addr, llid, plid,
 				    reason);
 		break;
 	case PLINK_HOLDING:
@@ -355,10 +352,10 @@ int mesh_plink_open(struct sta_info *sta)
 	mesh_plink_timer_set(sta, dot11MeshRetryTimeout(sdata));
 	spin_unlock_bh(&sta->lock);
 	mpl_dbg("Mesh plink: starting establishment with %s\n",
-		print_mac(mac, sta->addr));
+		print_mac(mac, sta->sta.addr));
 
-	return mesh_plink_frame_tx(sdata->dev, PLINK_OPEN,
-				   sta->addr, llid, 0, 0);
+	return mesh_plink_frame_tx(sdata, PLINK_OPEN,
+				   sta->sta.addr, llid, 0, 0);
 }
 
 void mesh_plink_block(struct sta_info *sta)
@@ -382,7 +379,7 @@ int mesh_plink_close(struct sta_info *sta)
 #endif
 
 	mpl_dbg("Mesh plink: closing link with %s\n",
-			print_mac(mac, sta->addr));
+			print_mac(mac, sta->sta.addr));
 	spin_lock_bh(&sta->lock);
 	sta->reason = cpu_to_le16(MESH_LINK_CANCELLED);
 	reason = sta->reason;
@@ -403,15 +400,14 @@ int mesh_plink_close(struct sta_info *sta)
 	llid = sta->llid;
 	plid = sta->plid;
 	spin_unlock_bh(&sta->lock);
-	mesh_plink_frame_tx(sta->sdata->dev, PLINK_CLOSE, sta->addr, llid,
+	mesh_plink_frame_tx(sta->sdata, PLINK_CLOSE, sta->sta.addr, llid,
 			    plid, reason);
 	return 0;
 }
 
-void mesh_rx_plink_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt,
+void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_mgmt *mgmt,
 			 size_t len, struct ieee80211_rx_status *rx_status)
 {
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 	struct ieee80211_local *local = sdata->local;
 	struct ieee802_11_elems elems;
 	struct sta_info *sta;
@@ -425,6 +421,10 @@ void mesh_rx_plink_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt,
 	DECLARE_MAC_BUF(mac);
 #endif
 
+	/* need action_code, aux */
+	if (len < IEEE80211_MIN_ACTION_SIZE + 3)
+		return;
+
 	if (is_multicast_ether_addr(mgmt->da)) {
 		mpl_dbg("Mesh plink: ignore frame from multicast address");
 		return;
@@ -478,7 +478,7 @@ void mesh_rx_plink_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt,
 
 	/* Now we will figure out the appropriate event... */
 	event = PLINK_UNDEFINED;
-	if (ftype != PLINK_CLOSE && (!mesh_matches_local(&elems, dev))) {
+	if (ftype != PLINK_CLOSE && (!mesh_matches_local(&elems, sdata))) {
 		switch (ftype) {
 		case PLINK_OPEN:
 			event = OPN_RJCT;
@@ -577,9 +577,9 @@ void mesh_rx_plink_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt,
 			sta->llid = llid;
 			mesh_plink_timer_set(sta, dot11MeshRetryTimeout(sdata));
 			spin_unlock_bh(&sta->lock);
-			mesh_plink_frame_tx(dev, PLINK_OPEN, sta->addr, llid,
+			mesh_plink_frame_tx(sdata, PLINK_OPEN, sta->sta.addr, llid,
 					    0, 0);
-			mesh_plink_frame_tx(dev, PLINK_CONFIRM, sta->addr,
+			mesh_plink_frame_tx(sdata, PLINK_CONFIRM, sta->sta.addr,
 					    llid, plid, 0);
 			break;
 		default:
@@ -604,7 +604,7 @@ void mesh_rx_plink_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt,
 
 			llid = sta->llid;
 			spin_unlock_bh(&sta->lock);
-			mesh_plink_frame_tx(dev, PLINK_CLOSE, sta->addr, llid,
+			mesh_plink_frame_tx(sdata, PLINK_CLOSE, sta->sta.addr, llid,
 					    plid, reason);
 			break;
 		case OPN_ACPT:
@@ -613,7 +613,7 @@ void mesh_rx_plink_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt,
 			sta->plid = plid;
 			llid = sta->llid;
 			spin_unlock_bh(&sta->lock);
-			mesh_plink_frame_tx(dev, PLINK_CONFIRM, sta->addr, llid,
+			mesh_plink_frame_tx(sdata, PLINK_CONFIRM, sta->sta.addr, llid,
 					    plid, 0);
 			break;
 		case CNF_ACPT:
@@ -646,13 +646,13 @@ void mesh_rx_plink_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt,
 
 			llid = sta->llid;
 			spin_unlock_bh(&sta->lock);
-			mesh_plink_frame_tx(dev, PLINK_CLOSE, sta->addr, llid,
+			mesh_plink_frame_tx(sdata, PLINK_CLOSE, sta->sta.addr, llid,
 					    plid, reason);
 			break;
 		case OPN_ACPT:
 			llid = sta->llid;
 			spin_unlock_bh(&sta->lock);
-			mesh_plink_frame_tx(dev, PLINK_CONFIRM, sta->addr, llid,
+			mesh_plink_frame_tx(sdata, PLINK_CONFIRM, sta->sta.addr, llid,
 					    plid, 0);
 			break;
 		case CNF_ACPT:
@@ -661,7 +661,7 @@ void mesh_rx_plink_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt,
 			mesh_plink_inc_estab_count(sdata);
 			spin_unlock_bh(&sta->lock);
 			mpl_dbg("Mesh plink with %s ESTABLISHED\n",
-					print_mac(mac, sta->addr));
+					print_mac(mac, sta->sta.addr));
 			break;
 		default:
 			spin_unlock_bh(&sta->lock);
@@ -685,7 +685,7 @@ void mesh_rx_plink_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt,
 
 			llid = sta->llid;
 			spin_unlock_bh(&sta->lock);
-			mesh_plink_frame_tx(dev, PLINK_CLOSE, sta->addr, llid,
+			mesh_plink_frame_tx(sdata, PLINK_CLOSE, sta->sta.addr, llid,
 					    plid, reason);
 			break;
 		case OPN_ACPT:
@@ -694,8 +694,8 @@ void mesh_rx_plink_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt,
 			mesh_plink_inc_estab_count(sdata);
 			spin_unlock_bh(&sta->lock);
 			mpl_dbg("Mesh plink with %s ESTABLISHED\n",
-					print_mac(mac, sta->addr));
-			mesh_plink_frame_tx(dev, PLINK_CONFIRM, sta->addr, llid,
+					print_mac(mac, sta->sta.addr));
+			mesh_plink_frame_tx(sdata, PLINK_CONFIRM, sta->sta.addr, llid,
 					    plid, 0);
 			break;
 		default:
@@ -714,13 +714,13 @@ void mesh_rx_plink_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt,
 			llid = sta->llid;
 			mod_plink_timer(sta, dot11MeshHoldingTimeout(sdata));
 			spin_unlock_bh(&sta->lock);
-			mesh_plink_frame_tx(dev, PLINK_CLOSE, sta->addr, llid,
+			mesh_plink_frame_tx(sdata, PLINK_CLOSE, sta->sta.addr, llid,
 					    plid, reason);
 			break;
 		case OPN_ACPT:
 			llid = sta->llid;
 			spin_unlock_bh(&sta->lock);
-			mesh_plink_frame_tx(dev, PLINK_CONFIRM, sta->addr, llid,
+			mesh_plink_frame_tx(sdata, PLINK_CONFIRM, sta->sta.addr, llid,
 					    plid, 0);
 			break;
 		default:
@@ -743,8 +743,8 @@ void mesh_rx_plink_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt,
 			llid = sta->llid;
 			reason = sta->reason;
 			spin_unlock_bh(&sta->lock);
-			mesh_plink_frame_tx(dev, PLINK_CLOSE, sta->addr, llid,
-					    plid, reason);
+			mesh_plink_frame_tx(sdata, PLINK_CLOSE, sta->sta.addr,
+					    llid, plid, reason);
 			break;
 		default:
 			spin_unlock_bh(&sta->lock);
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 9bb68c6a8f4..49f86fa56bf 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -11,11 +11,6 @@
  * published by the Free Software Foundation.
  */
 
-/* TODO:
- * order BSS list by RSSI(?) ("quality of AP")
- * scan result table filtering (by capability (privacy, IBSS/BSS, WPA/RSN IE,
- *    SSID)
- */
 #include <linux/delay.h>
 #include <linux/if_ether.h>
 #include <linux/skbuff.h>
@@ -26,577 +21,184 @@
 #include <linux/etherdevice.h>
 #include <linux/rtnetlink.h>
 #include <net/iw_handler.h>
-#include <asm/types.h>
-
 #include <net/mac80211.h>
+#include <asm/unaligned.h>
+
 #include "ieee80211_i.h"
 #include "rate.h"
 #include "led.h"
-#include "mesh.h"
 
+#define IEEE80211_ASSOC_SCANS_MAX_TRIES 2
 #define IEEE80211_AUTH_TIMEOUT (HZ / 5)
 #define IEEE80211_AUTH_MAX_TRIES 3
 #define IEEE80211_ASSOC_TIMEOUT (HZ / 5)
 #define IEEE80211_ASSOC_MAX_TRIES 3
 #define IEEE80211_MONITORING_INTERVAL (2 * HZ)
-#define IEEE80211_MESH_HOUSEKEEPING_INTERVAL (60 * HZ)
 #define IEEE80211_PROBE_INTERVAL (60 * HZ)
 #define IEEE80211_RETRY_AUTH_INTERVAL (1 * HZ)
 #define IEEE80211_SCAN_INTERVAL (2 * HZ)
 #define IEEE80211_SCAN_INTERVAL_SLOW (15 * HZ)
 #define IEEE80211_IBSS_JOIN_TIMEOUT (7 * HZ)
 
-#define IEEE80211_PROBE_DELAY (HZ / 33)
-#define IEEE80211_CHANNEL_TIME (HZ / 33)
-#define IEEE80211_PASSIVE_CHANNEL_TIME (HZ / 5)
-#define IEEE80211_SCAN_RESULT_EXPIRE (10 * HZ)
 #define IEEE80211_IBSS_MERGE_INTERVAL (30 * HZ)
 #define IEEE80211_IBSS_INACTIVITY_LIMIT (60 * HZ)
-#define IEEE80211_MESH_PEER_INACTIVITY_LIMIT (1800 * HZ)
 
 #define IEEE80211_IBSS_MAX_STA_ENTRIES 128
 
 
-#define ERP_INFO_USE_PROTECTION BIT(1)
-
-/* mgmt header + 1 byte action code */
-#define IEEE80211_MIN_ACTION_SIZE (24 + 1)
-
-#define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
-#define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
-#define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFA0
-#define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
-#define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
-
-/* next values represent the buffer size for A-MPDU frame.
- * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2) */
-#define IEEE80211_MIN_AMPDU_BUF 0x8
-#define IEEE80211_MAX_AMPDU_BUF 0x40
-
-static void ieee80211_send_probe_req(struct net_device *dev, u8 *dst,
-				     u8 *ssid, size_t ssid_len);
-static struct ieee80211_sta_bss *
-ieee80211_rx_bss_get(struct net_device *dev, u8 *bssid, int freq,
-		     u8 *ssid, u8 ssid_len);
-static void ieee80211_rx_bss_put(struct ieee80211_local *local,
-				 struct ieee80211_sta_bss *bss);
-static int ieee80211_sta_find_ibss(struct net_device *dev,
-				   struct ieee80211_if_sta *ifsta);
-static int ieee80211_sta_wep_configured(struct net_device *dev);
-static int ieee80211_sta_start_scan(struct net_device *dev,
-				    u8 *ssid, size_t ssid_len);
-static int ieee80211_sta_config_auth(struct net_device *dev,
-				     struct ieee80211_if_sta *ifsta);
-static void sta_rx_agg_session_timer_expired(unsigned long data);
-
-
-void ieee802_11_parse_elems(u8 *start, size_t len,
-			    struct ieee802_11_elems *elems)
-{
-	size_t left = len;
-	u8 *pos = start;
-
-	memset(elems, 0, sizeof(*elems));
-
-	while (left >= 2) {
-		u8 id, elen;
-
-		id = *pos++;
-		elen = *pos++;
-		left -= 2;
-
-		if (elen > left)
-			return;
-
-		switch (id) {
-		case WLAN_EID_SSID:
-			elems->ssid = pos;
-			elems->ssid_len = elen;
-			break;
-		case WLAN_EID_SUPP_RATES:
-			elems->supp_rates = pos;
-			elems->supp_rates_len = elen;
-			break;
-		case WLAN_EID_FH_PARAMS:
-			elems->fh_params = pos;
-			elems->fh_params_len = elen;
-			break;
-		case WLAN_EID_DS_PARAMS:
-			elems->ds_params = pos;
-			elems->ds_params_len = elen;
-			break;
-		case WLAN_EID_CF_PARAMS:
-			elems->cf_params = pos;
-			elems->cf_params_len = elen;
-			break;
-		case WLAN_EID_TIM:
-			elems->tim = pos;
-			elems->tim_len = elen;
-			break;
-		case WLAN_EID_IBSS_PARAMS:
-			elems->ibss_params = pos;
-			elems->ibss_params_len = elen;
-			break;
-		case WLAN_EID_CHALLENGE:
-			elems->challenge = pos;
-			elems->challenge_len = elen;
-			break;
-		case WLAN_EID_WPA:
-			if (elen >= 4 && pos[0] == 0x00 && pos[1] == 0x50 &&
-			    pos[2] == 0xf2) {
-				/* Microsoft OUI (00:50:F2) */
-				if (pos[3] == 1) {
-					/* OUI Type 1 - WPA IE */
-					elems->wpa = pos;
-					elems->wpa_len = elen;
-				} else if (elen >= 5 && pos[3] == 2) {
-					if (pos[4] == 0) {
-						elems->wmm_info = pos;
-						elems->wmm_info_len = elen;
-					} else if (pos[4] == 1) {
-						elems->wmm_param = pos;
-						elems->wmm_param_len = elen;
-					}
-				}
-			}
-			break;
-		case WLAN_EID_RSN:
-			elems->rsn = pos;
-			elems->rsn_len = elen;
-			break;
-		case WLAN_EID_ERP_INFO:
-			elems->erp_info = pos;
-			elems->erp_info_len = elen;
-			break;
-		case WLAN_EID_EXT_SUPP_RATES:
-			elems->ext_supp_rates = pos;
-			elems->ext_supp_rates_len = elen;
-			break;
-		case WLAN_EID_HT_CAPABILITY:
-			elems->ht_cap_elem = pos;
-			elems->ht_cap_elem_len = elen;
-			break;
-		case WLAN_EID_HT_EXTRA_INFO:
-			elems->ht_info_elem = pos;
-			elems->ht_info_elem_len = elen;
-			break;
-		case WLAN_EID_MESH_ID:
-			elems->mesh_id = pos;
-			elems->mesh_id_len = elen;
-			break;
-		case WLAN_EID_MESH_CONFIG:
-			elems->mesh_config = pos;
-			elems->mesh_config_len = elen;
-			break;
-		case WLAN_EID_PEER_LINK:
-			elems->peer_link = pos;
-			elems->peer_link_len = elen;
-			break;
-		case WLAN_EID_PREQ:
-			elems->preq = pos;
-			elems->preq_len = elen;
-			break;
-		case WLAN_EID_PREP:
-			elems->prep = pos;
-			elems->prep_len = elen;
-			break;
-		case WLAN_EID_PERR:
-			elems->perr = pos;
-			elems->perr_len = elen;
-			break;
-		case WLAN_EID_CHANNEL_SWITCH:
-			elems->ch_switch_elem = pos;
-			elems->ch_switch_elem_len = elen;
-			break;
-		case WLAN_EID_QUIET:
-			if (!elems->quiet_elem) {
-				elems->quiet_elem = pos;
-				elems->quiet_elem_len = elen;
-			}
-			elems->num_of_quiet_elem++;
-			break;
-		case WLAN_EID_COUNTRY:
-			elems->country_elem = pos;
-			elems->country_elem_len = elen;
-			break;
-		case WLAN_EID_PWR_CONSTRAINT:
-			elems->pwr_constr_elem = pos;
-			elems->pwr_constr_elem_len = elen;
-			break;
-		default:
-			break;
-		}
-
-		left -= elen;
-		pos += elen;
-	}
-}
-
-
+/* utils */
 static int ecw2cw(int ecw)
 {
 	return (1 << ecw) - 1;
 }
 
-
-static void ieee80211_sta_def_wmm_params(struct net_device *dev,
-					 struct ieee80211_sta_bss *bss,
-					 int ibss)
-{
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	struct ieee80211_local *local = sdata->local;
-	int i, have_higher_than_11mbit = 0;
-
-
-	/* cf. IEEE 802.11 9.2.12 */
-	for (i = 0; i < bss->supp_rates_len; i++)
-		if ((bss->supp_rates[i] & 0x7f) * 5 > 110)
-			have_higher_than_11mbit = 1;
-
-	if (local->hw.conf.channel->band == IEEE80211_BAND_2GHZ &&
-	    have_higher_than_11mbit)
-		sdata->flags |= IEEE80211_SDATA_OPERATING_GMODE;
-	else
-		sdata->flags &= ~IEEE80211_SDATA_OPERATING_GMODE;
-
-
-	if (local->ops->conf_tx) {
-		struct ieee80211_tx_queue_params qparam;
-
-		memset(&qparam, 0, sizeof(qparam));
-
-		qparam.aifs = 2;
-
-		if (local->hw.conf.channel->band == IEEE80211_BAND_2GHZ &&
-		    !(sdata->flags & IEEE80211_SDATA_OPERATING_GMODE))
-			qparam.cw_min = 31;
-		else
-			qparam.cw_min = 15;
-
-		qparam.cw_max = 1023;
-		qparam.txop = 0;
-
-		for (i = 0; i < local_to_hw(local)->queues; i++)
-			local->ops->conf_tx(local_to_hw(local), i, &qparam);
-	}
-}
-
-static void ieee80211_sta_wmm_params(struct net_device *dev,
-				     struct ieee80211_if_sta *ifsta,
-				     u8 *wmm_param, size_t wmm_param_len)
+static u8 *ieee80211_bss_get_ie(struct ieee80211_bss *bss, u8 ie)
 {
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct ieee80211_tx_queue_params params;
-	size_t left;
-	int count;
-	u8 *pos;
+	u8 *end, *pos;
 
-	if (!(ifsta->flags & IEEE80211_STA_WMM_ENABLED))
-		return;
-
-	if (!wmm_param)
-		return;
-
-	if (wmm_param_len < 8 || wmm_param[5] /* version */ != 1)
-		return;
-	count = wmm_param[6] & 0x0f;
-	if (count == ifsta->wmm_last_param_set)
-		return;
-	ifsta->wmm_last_param_set = count;
-
-	pos = wmm_param + 8;
-	left = wmm_param_len - 8;
-
-	memset(&params, 0, sizeof(params));
-
-	if (!local->ops->conf_tx)
-		return;
-
-	local->wmm_acm = 0;
-	for (; left >= 4; left -= 4, pos += 4) {
-		int aci = (pos[0] >> 5) & 0x03;
-		int acm = (pos[0] >> 4) & 0x01;
-		int queue;
+	pos = bss->ies;
+	if (pos == NULL)
+		return NULL;
+	end = pos + bss->ies_len;
 
-		switch (aci) {
-		case 1:
-			queue = 3;
-			if (acm)
-				local->wmm_acm |= BIT(0) | BIT(3);
-			break;
-		case 2:
-			queue = 1;
-			if (acm)
-				local->wmm_acm |= BIT(4) | BIT(5);
-			break;
-		case 3:
-			queue = 0;
-			if (acm)
-				local->wmm_acm |= BIT(6) | BIT(7);
+	while (pos + 1 < end) {
+		if (pos + 2 + pos[1] > end)
 			break;
-		case 0:
-		default:
-			queue = 2;
-			if (acm)
-				local->wmm_acm |= BIT(1) | BIT(2);
-			break;
-		}
-
-		params.aifs = pos[0] & 0x0f;
-		params.cw_max = ecw2cw((pos[1] & 0xf0) >> 4);
-		params.cw_min = ecw2cw(pos[1] & 0x0f);
-		params.txop = get_unaligned_le16(pos + 2);
-#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
-		printk(KERN_DEBUG "%s: WMM queue=%d aci=%d acm=%d aifs=%d "
-		       "cWmin=%d cWmax=%d txop=%d\n",
-		       dev->name, queue, aci, acm, params.aifs, params.cw_min,
-		       params.cw_max, params.txop);
-#endif
-		/* TODO: handle ACM (block TX, fallback to next lowest allowed
-		 * AC for now) */
-		if (local->ops->conf_tx(local_to_hw(local), queue, &params)) {
-			printk(KERN_DEBUG "%s: failed to set TX queue "
-			       "parameters for queue %d\n", dev->name, queue);
-		}
-	}
-}
-
-static u32 ieee80211_handle_protect_preamb(struct ieee80211_sub_if_data *sdata,
-					   bool use_protection,
-					   bool use_short_preamble)
-{
-	struct ieee80211_bss_conf *bss_conf = &sdata->bss_conf;
-#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
-	struct ieee80211_if_sta *ifsta = &sdata->u.sta;
-	DECLARE_MAC_BUF(mac);
-#endif
-	u32 changed = 0;
-
-	if (use_protection != bss_conf->use_cts_prot) {
-#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
-		if (net_ratelimit()) {
-			printk(KERN_DEBUG "%s: CTS protection %s (BSSID="
-			       "%s)\n",
-			       sdata->dev->name,
-			       use_protection ? "enabled" : "disabled",
-			       print_mac(mac, ifsta->bssid));
-		}
-#endif
-		bss_conf->use_cts_prot = use_protection;
-		changed |= BSS_CHANGED_ERP_CTS_PROT;
-	}
-
-	if (use_short_preamble != bss_conf->use_short_preamble) {
-#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
-		if (net_ratelimit()) {
-			printk(KERN_DEBUG "%s: switched to %s barker preamble"
-			       " (BSSID=%s)\n",
-			       sdata->dev->name,
-			       use_short_preamble ? "short" : "long",
-			       print_mac(mac, ifsta->bssid));
-		}
-#endif
-		bss_conf->use_short_preamble = use_short_preamble;
-		changed |= BSS_CHANGED_ERP_PREAMBLE;
-	}
-
-	return changed;
-}
-
-static u32 ieee80211_handle_erp_ie(struct ieee80211_sub_if_data *sdata,
-				   u8 erp_value)
-{
-	bool use_protection = (erp_value & WLAN_ERP_USE_PROTECTION) != 0;
-	bool use_short_preamble = (erp_value & WLAN_ERP_BARKER_PREAMBLE) == 0;
-
-	return ieee80211_handle_protect_preamb(sdata,
-			use_protection, use_short_preamble);
-}
-
-static u32 ieee80211_handle_bss_capability(struct ieee80211_sub_if_data *sdata,
-					   struct ieee80211_sta_bss *bss)
-{
-	u32 changed = 0;
-
-	if (bss->has_erp_value)
-		changed |= ieee80211_handle_erp_ie(sdata, bss->erp_value);
-	else {
-		u16 capab = bss->capability;
-		changed |= ieee80211_handle_protect_preamb(sdata, false,
-				(capab & WLAN_CAPABILITY_SHORT_PREAMBLE) != 0);
+		if (pos[0] == ie)
+			return pos;
+		pos += 2 + pos[1];
 	}
 
-	return changed;
-}
-
-int ieee80211_ht_cap_ie_to_ht_info(struct ieee80211_ht_cap *ht_cap_ie,
-				   struct ieee80211_ht_info *ht_info)
-{
-
-	if (ht_info == NULL)
-		return -EINVAL;
-
-	memset(ht_info, 0, sizeof(*ht_info));
-
-	if (ht_cap_ie) {
-		u8 ampdu_info = ht_cap_ie->ampdu_params_info;
-
-		ht_info->ht_supported = 1;
-		ht_info->cap = le16_to_cpu(ht_cap_ie->cap_info);
-		ht_info->ampdu_factor =
-			ampdu_info & IEEE80211_HT_CAP_AMPDU_FACTOR;
-		ht_info->ampdu_density =
-			(ampdu_info & IEEE80211_HT_CAP_AMPDU_DENSITY) >> 2;
-		memcpy(ht_info->supp_mcs_set, ht_cap_ie->supp_mcs_set, 16);
-	} else
-		ht_info->ht_supported = 0;
-
-	return 0;
+	return NULL;
 }
 
-int ieee80211_ht_addt_info_ie_to_ht_bss_info(
-			struct ieee80211_ht_addt_info *ht_add_info_ie,
-			struct ieee80211_ht_bss_info *bss_info)
+static int ieee80211_compatible_rates(struct ieee80211_bss *bss,
+				      struct ieee80211_supported_band *sband,
+				      u64 *rates)
 {
-	if (bss_info == NULL)
-		return -EINVAL;
-
-	memset(bss_info, 0, sizeof(*bss_info));
-
-	if (ht_add_info_ie) {
-		u16 op_mode;
-		op_mode = le16_to_cpu(ht_add_info_ie->operation_mode);
+	int i, j, count;
+	*rates = 0;
+	count = 0;
+	for (i = 0; i < bss->supp_rates_len; i++) {
+		int rate = (bss->supp_rates[i] & 0x7F) * 5;
 
-		bss_info->primary_channel = ht_add_info_ie->control_chan;
-		bss_info->bss_cap = ht_add_info_ie->ht_param;
-		bss_info->bss_op_mode = (u8)(op_mode & 0xff);
+		for (j = 0; j < sband->n_bitrates; j++)
+			if (sband->bitrates[j].bitrate == rate) {
+				*rates |= BIT(j);
+				count++;
+				break;
+			}
 	}
 
-	return 0;
+	return count;
 }
 
-static void ieee80211_sta_send_associnfo(struct net_device *dev,
-					 struct ieee80211_if_sta *ifsta)
+/* also used by mesh code */
+u64 ieee80211_sta_get_rates(struct ieee80211_local *local,
+			    struct ieee802_11_elems *elems,
+			    enum ieee80211_band band)
 {
-	union iwreq_data wrqu;
+	struct ieee80211_supported_band *sband;
+	struct ieee80211_rate *bitrates;
+	size_t num_rates;
+	u64 supp_rates;
+	int i, j;
+	sband = local->hw.wiphy->bands[band];
 
-	if (ifsta->assocreq_ies) {
-		memset(&wrqu, 0, sizeof(wrqu));
-		wrqu.data.length = ifsta->assocreq_ies_len;
-		wireless_send_event(dev, IWEVASSOCREQIE, &wrqu,
-				    ifsta->assocreq_ies);
+	if (!sband) {
+		WARN_ON(1);
+		sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
 	}
 
-	if (ifsta->assocresp_ies) {
-		memset(&wrqu, 0, sizeof(wrqu));
-		wrqu.data.length = ifsta->assocresp_ies_len;
-		wireless_send_event(dev, IWEVASSOCRESPIE, &wrqu,
-				    ifsta->assocresp_ies);
+	bitrates = sband->bitrates;
+	num_rates = sband->n_bitrates;
+	supp_rates = 0;
+	for (i = 0; i < elems->supp_rates_len +
+		     elems->ext_supp_rates_len; i++) {
+		u8 rate = 0;
+		int own_rate;
+		if (i < elems->supp_rates_len)
+			rate = elems->supp_rates[i];
+		else if (elems->ext_supp_rates)
+			rate = elems->ext_supp_rates
+				[i - elems->supp_rates_len];
+		own_rate = 5 * (rate & 0x7f);
+		for (j = 0; j < num_rates; j++)
+			if (bitrates[j].bitrate == own_rate)
+				supp_rates |= BIT(j);
 	}
+	return supp_rates;
 }
 
+/* frame sending functions */
 
-static void ieee80211_set_associated(struct net_device *dev,
-				     struct ieee80211_if_sta *ifsta,
-				     bool assoc)
+/* also used by scanning code */
+void ieee80211_send_probe_req(struct ieee80211_sub_if_data *sdata, u8 *dst,
+			      u8 *ssid, size_t ssid_len)
 {
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 	struct ieee80211_local *local = sdata->local;
-	struct ieee80211_conf *conf = &local_to_hw(local)->conf;
-	union iwreq_data wrqu;
-	u32 changed = BSS_CHANGED_ASSOC;
-
-	if (assoc) {
-		struct ieee80211_sta_bss *bss;
-
-		ifsta->flags |= IEEE80211_STA_ASSOCIATED;
-
-		if (sdata->vif.type != IEEE80211_IF_TYPE_STA)
-			return;
-
-		bss = ieee80211_rx_bss_get(dev, ifsta->bssid,
-					   conf->channel->center_freq,
-					   ifsta->ssid, ifsta->ssid_len);
-		if (bss) {
-			/* set timing information */
-			sdata->bss_conf.beacon_int = bss->beacon_int;
-			sdata->bss_conf.timestamp = bss->timestamp;
-			sdata->bss_conf.dtim_period = bss->dtim_period;
-
-			changed |= ieee80211_handle_bss_capability(sdata, bss);
-
-			ieee80211_rx_bss_put(local, bss);
-		}
+	struct ieee80211_supported_band *sband;
+	struct sk_buff *skb;
+	struct ieee80211_mgmt *mgmt;
+	u8 *pos, *supp_rates, *esupp_rates = NULL;
+	int i;
 
-		if (conf->flags & IEEE80211_CONF_SUPPORT_HT_MODE) {
-			changed |= BSS_CHANGED_HT;
-			sdata->bss_conf.assoc_ht = 1;
-			sdata->bss_conf.ht_conf = &conf->ht_conf;
-			sdata->bss_conf.ht_bss_conf = &conf->ht_bss_conf;
-		}
+	skb = dev_alloc_skb(local->hw.extra_tx_headroom + sizeof(*mgmt) + 200);
+	if (!skb) {
+		printk(KERN_DEBUG "%s: failed to allocate buffer for probe "
+		       "request\n", sdata->dev->name);
+		return;
+	}
+	skb_reserve(skb, local->hw.extra_tx_headroom);
 
-		ifsta->flags |= IEEE80211_STA_PREV_BSSID_SET;
-		memcpy(ifsta->prev_bssid, sdata->u.sta.bssid, ETH_ALEN);
-		memcpy(wrqu.ap_addr.sa_data, sdata->u.sta.bssid, ETH_ALEN);
-		ieee80211_sta_send_associnfo(dev, ifsta);
+	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->dev->dev_addr, ETH_ALEN);
+	if (dst) {
+		memcpy(mgmt->da, dst, ETH_ALEN);
+		memcpy(mgmt->bssid, dst, ETH_ALEN);
 	} else {
-		netif_carrier_off(dev);
-		ieee80211_sta_tear_down_BA_sessions(dev, ifsta->bssid);
-		ifsta->flags &= ~IEEE80211_STA_ASSOCIATED;
-		changed |= ieee80211_reset_erp_info(dev);
-
-		sdata->bss_conf.assoc_ht = 0;
-		sdata->bss_conf.ht_conf = NULL;
-		sdata->bss_conf.ht_bss_conf = NULL;
-
-		memset(wrqu.ap_addr.sa_data, 0, ETH_ALEN);
+		memset(mgmt->da, 0xff, ETH_ALEN);
+		memset(mgmt->bssid, 0xff, ETH_ALEN);
 	}
-	ifsta->last_probe = jiffies;
-	ieee80211_led_assoc(local, assoc);
-
-	sdata->bss_conf.assoc = assoc;
-	ieee80211_bss_info_change_notify(sdata, changed);
-
-	if (assoc)
-		netif_carrier_on(dev);
-
-	wrqu.ap_addr.sa_family = ARPHRD_ETHER;
-	wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
-}
-
-static void ieee80211_set_disassoc(struct net_device *dev,
-				   struct ieee80211_if_sta *ifsta, int deauth)
-{
-	if (deauth)
-		ifsta->auth_tries = 0;
-	ifsta->assoc_tries = 0;
-	ieee80211_set_associated(dev, ifsta, 0);
-}
-
-void ieee80211_sta_tx(struct net_device *dev, struct sk_buff *skb,
-		      int encrypt)
-{
-	struct ieee80211_sub_if_data *sdata;
+	pos = skb_put(skb, 2 + ssid_len);
+	*pos++ = WLAN_EID_SSID;
+	*pos++ = ssid_len;
+	memcpy(pos, ssid, ssid_len);
 
-	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	skb->dev = sdata->local->mdev;
-	skb_set_mac_header(skb, 0);
-	skb_set_network_header(skb, 0);
-	skb_set_transport_header(skb, 0);
+	supp_rates = skb_put(skb, 2);
+	supp_rates[0] = WLAN_EID_SUPP_RATES;
+	supp_rates[1] = 0;
+	sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
 
-	skb->iif = sdata->dev->ifindex;
-	skb->do_not_encrypt = !encrypt;
+	for (i = 0; i < sband->n_bitrates; i++) {
+		struct ieee80211_rate *rate = &sband->bitrates[i];
+		if (esupp_rates) {
+			pos = skb_put(skb, 1);
+			esupp_rates[1]++;
+		} else if (supp_rates[1] == 8) {
+			esupp_rates = skb_put(skb, 3);
+			esupp_rates[0] = WLAN_EID_EXT_SUPP_RATES;
+			esupp_rates[1] = 1;
+			pos = &esupp_rates[2];
+		} else {
+			pos = skb_put(skb, 1);
+			supp_rates[1]++;
+		}
+		*pos = rate->bitrate / 5;
+	}
 
-	dev_queue_xmit(skb);
+	ieee80211_tx_skb(sdata, skb, 0);
 }
 
-
-static void ieee80211_send_auth(struct net_device *dev,
+static void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
 				struct ieee80211_if_sta *ifsta,
 				int transaction, u8 *extra, size_t extra_len,
 				int encrypt)
 {
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+	struct ieee80211_local *local = sdata->local;
 	struct sk_buff *skb;
 	struct ieee80211_mgmt *mgmt;
 
@@ -604,19 +206,19 @@ static void ieee80211_send_auth(struct net_device *dev,
 			    sizeof(*mgmt) + 6 + extra_len);
 	if (!skb) {
 		printk(KERN_DEBUG "%s: failed to allocate buffer for auth "
-		       "frame\n", dev->name);
+		       "frame\n", sdata->dev->name);
 		return;
 	}
 	skb_reserve(skb, local->hw.extra_tx_headroom);
 
 	mgmt = (struct ieee80211_mgmt *) skb_put(skb, 24 + 6);
 	memset(mgmt, 0, 24 + 6);
-	mgmt->frame_control = IEEE80211_FC(IEEE80211_FTYPE_MGMT,
-					   IEEE80211_STYPE_AUTH);
+	mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
+					  IEEE80211_STYPE_AUTH);
 	if (encrypt)
 		mgmt->frame_control |= cpu_to_le16(IEEE80211_FCTL_PROTECTED);
 	memcpy(mgmt->da, ifsta->bssid, ETH_ALEN);
-	memcpy(mgmt->sa, dev->dev_addr, ETH_ALEN);
+	memcpy(mgmt->sa, sdata->dev->dev_addr, ETH_ALEN);
 	memcpy(mgmt->bssid, ifsta->bssid, ETH_ALEN);
 	mgmt->u.auth.auth_alg = cpu_to_le16(ifsta->auth_alg);
 	mgmt->u.auth.auth_transaction = cpu_to_le16(transaction);
@@ -625,64 +227,19 @@ static void ieee80211_send_auth(struct net_device *dev,
 	if (extra)
 		memcpy(skb_put(skb, extra_len), extra, extra_len);
 
-	ieee80211_sta_tx(dev, skb, encrypt);
-}
-
-
-static void ieee80211_authenticate(struct net_device *dev,
-				   struct ieee80211_if_sta *ifsta)
-{
-	DECLARE_MAC_BUF(mac);
-
-	ifsta->auth_tries++;
-	if (ifsta->auth_tries > IEEE80211_AUTH_MAX_TRIES) {
-		printk(KERN_DEBUG "%s: authentication with AP %s"
-		       " timed out\n",
-		       dev->name, print_mac(mac, ifsta->bssid));
-		ifsta->state = IEEE80211_DISABLED;
-		return;
-	}
-
-	ifsta->state = IEEE80211_AUTHENTICATE;
-	printk(KERN_DEBUG "%s: authenticate with AP %s\n",
-	       dev->name, print_mac(mac, ifsta->bssid));
-
-	ieee80211_send_auth(dev, ifsta, 1, NULL, 0, 0);
-
-	mod_timer(&ifsta->timer, jiffies + IEEE80211_AUTH_TIMEOUT);
+	ieee80211_tx_skb(sdata, skb, encrypt);
 }
 
-static int ieee80211_compatible_rates(struct ieee80211_sta_bss *bss,
-				      struct ieee80211_supported_band *sband,
-				      u64 *rates)
-{
-	int i, j, count;
-	*rates = 0;
-	count = 0;
-	for (i = 0; i < bss->supp_rates_len; i++) {
-		int rate = (bss->supp_rates[i] & 0x7F) * 5;
-
-		for (j = 0; j < sband->n_bitrates; j++)
-			if (sband->bitrates[j].bitrate == rate) {
-				*rates |= BIT(j);
-				count++;
-				break;
-			}
-	}
-
-	return count;
-}
-
-static void ieee80211_send_assoc(struct net_device *dev,
+static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata,
 				 struct ieee80211_if_sta *ifsta)
 {
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+	struct ieee80211_local *local = sdata->local;
 	struct sk_buff *skb;
 	struct ieee80211_mgmt *mgmt;
-	u8 *pos, *ies;
+	u8 *pos, *ies, *ht_add_ie;
 	int i, len, count, rates_len, supp_rates_len;
 	u16 capab;
-	struct ieee80211_sta_bss *bss;
+	struct ieee80211_bss *bss;
 	int wmm = 0;
 	struct ieee80211_supported_band *sband;
 	u64 rates = 0;
@@ -692,7 +249,7 @@ static void ieee80211_send_assoc(struct net_device *dev,
 			    ifsta->ssid_len);
 	if (!skb) {
 		printk(KERN_DEBUG "%s: failed to allocate buffer for assoc "
-		       "frame\n", dev->name);
+		       "frame\n", sdata->dev->name);
 		return;
 	}
 	skb_reserve(skb, local->hw.extra_tx_headroom);
@@ -708,13 +265,13 @@ static void ieee80211_send_assoc(struct net_device *dev,
 			capab |= WLAN_CAPABILITY_SHORT_PREAMBLE;
 	}
 
-	bss = ieee80211_rx_bss_get(dev, ifsta->bssid,
+	bss = ieee80211_rx_bss_get(local, ifsta->bssid,
 				   local->hw.conf.channel->center_freq,
 				   ifsta->ssid, ifsta->ssid_len);
 	if (bss) {
 		if (bss->capability & WLAN_CAPABILITY_PRIVACY)
 			capab |= WLAN_CAPABILITY_PRIVACY;
-		if (bss->wmm_ie)
+		if (bss->wmm_used)
 			wmm = 1;
 
 		/* get all rates supported by the device and the AP as
@@ -736,13 +293,13 @@ static void ieee80211_send_assoc(struct net_device *dev,
 	mgmt = (struct ieee80211_mgmt *) skb_put(skb, 24);
 	memset(mgmt, 0, 24);
 	memcpy(mgmt->da, ifsta->bssid, ETH_ALEN);
-	memcpy(mgmt->sa, dev->dev_addr, ETH_ALEN);
+	memcpy(mgmt->sa, sdata->dev->dev_addr, ETH_ALEN);
 	memcpy(mgmt->bssid, ifsta->bssid, ETH_ALEN);
 
 	if (ifsta->flags & IEEE80211_STA_PREV_BSSID_SET) {
 		skb_put(skb, 10);
-		mgmt->frame_control = IEEE80211_FC(IEEE80211_FTYPE_MGMT,
-						   IEEE80211_STYPE_REASSOC_REQ);
+		mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
+						  IEEE80211_STYPE_REASSOC_REQ);
 		mgmt->u.reassoc_req.capab_info = cpu_to_le16(capab);
 		mgmt->u.reassoc_req.listen_interval =
 				cpu_to_le16(local->hw.conf.listen_interval);
@@ -750,8 +307,8 @@ static void ieee80211_send_assoc(struct net_device *dev,
 		       ETH_ALEN);
 	} else {
 		skb_put(skb, 4);
-		mgmt->frame_control = IEEE80211_FC(IEEE80211_FTYPE_MGMT,
-						   IEEE80211_STYPE_ASSOC_REQ);
+		mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
+						  IEEE80211_STYPE_ASSOC_REQ);
 		mgmt->u.assoc_req.capab_info = cpu_to_le16(capab);
 		mgmt->u.reassoc_req.listen_interval =
 				cpu_to_le16(local->hw.conf.listen_interval);
@@ -836,9 +393,10 @@ static void ieee80211_send_assoc(struct net_device *dev,
 
 	/* wmm support is a must to HT */
 	if (wmm && (ifsta->flags & IEEE80211_STA_WMM_ENABLED) &&
-	    sband->ht_info.ht_supported && bss->ht_add_ie) {
+	    sband->ht_info.ht_supported &&
+	    (ht_add_ie = ieee80211_bss_get_ie(bss, WLAN_EID_HT_EXTRA_INFO))) {
 		struct ieee80211_ht_addt_info *ht_add_info =
-			(struct ieee80211_ht_addt_info *)bss->ht_add_ie;
+			(struct ieee80211_ht_addt_info *)ht_add_ie;
 		u16 cap = sband->ht_info.cap;
 		__le16 tmp;
 		u32 flags = local->hw.conf.channel->flags;
@@ -877,21 +435,22 @@ static void ieee80211_send_assoc(struct net_device *dev,
 	if (ifsta->assocreq_ies)
 		memcpy(ifsta->assocreq_ies, ies, ifsta->assocreq_ies_len);
 
-	ieee80211_sta_tx(dev, skb, 0);
+	ieee80211_tx_skb(sdata, skb, 0);
 }
 
 
-static void ieee80211_send_deauth(struct net_device *dev,
-				  struct ieee80211_if_sta *ifsta, u16 reason)
+static void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata,
+					   u16 stype, u16 reason)
 {
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+	struct ieee80211_local *local = sdata->local;
+	struct ieee80211_if_sta *ifsta = &sdata->u.sta;
 	struct sk_buff *skb;
 	struct ieee80211_mgmt *mgmt;
 
 	skb = dev_alloc_skb(local->hw.extra_tx_headroom + sizeof(*mgmt));
 	if (!skb) {
-		printk(KERN_DEBUG "%s: failed to allocate buffer for deauth "
-		       "frame\n", dev->name);
+		printk(KERN_DEBUG "%s: failed to allocate buffer for "
+		       "deauth/disassoc frame\n", sdata->dev->name);
 		return;
 	}
 	skb_reserve(skb, local->hw.extra_tx_headroom);
@@ -899,940 +458,594 @@ static void ieee80211_send_deauth(struct net_device *dev,
 	mgmt = (struct ieee80211_mgmt *) skb_put(skb, 24);
 	memset(mgmt, 0, 24);
 	memcpy(mgmt->da, ifsta->bssid, ETH_ALEN);
-	memcpy(mgmt->sa, dev->dev_addr, ETH_ALEN);
+	memcpy(mgmt->sa, sdata->dev->dev_addr, ETH_ALEN);
 	memcpy(mgmt->bssid, ifsta->bssid, ETH_ALEN);
-	mgmt->frame_control = IEEE80211_FC(IEEE80211_FTYPE_MGMT,
-					   IEEE80211_STYPE_DEAUTH);
+	mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | stype);
 	skb_put(skb, 2);
+	/* u.deauth.reason_code == u.disassoc.reason_code */
 	mgmt->u.deauth.reason_code = cpu_to_le16(reason);
 
-	ieee80211_sta_tx(dev, skb, 0);
+	ieee80211_tx_skb(sdata, skb, 0);
 }
 
-
-static void ieee80211_send_disassoc(struct net_device *dev,
-				    struct ieee80211_if_sta *ifsta, u16 reason)
+/* MLME */
+static void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata,
+					 struct ieee80211_bss *bss)
 {
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct sk_buff *skb;
-	struct ieee80211_mgmt *mgmt;
+	struct ieee80211_local *local = sdata->local;
+	int i, have_higher_than_11mbit = 0;
 
-	skb = dev_alloc_skb(local->hw.extra_tx_headroom + sizeof(*mgmt));
-	if (!skb) {
-		printk(KERN_DEBUG "%s: failed to allocate buffer for disassoc "
-		       "frame\n", dev->name);
-		return;
-	}
-	skb_reserve(skb, local->hw.extra_tx_headroom);
+	/* cf. IEEE 802.11 9.2.12 */
+	for (i = 0; i < bss->supp_rates_len; i++)
+		if ((bss->supp_rates[i] & 0x7f) * 5 > 110)
+			have_higher_than_11mbit = 1;
 
-	mgmt = (struct ieee80211_mgmt *) skb_put(skb, 24);
-	memset(mgmt, 0, 24);
-	memcpy(mgmt->da, ifsta->bssid, ETH_ALEN);
-	memcpy(mgmt->sa, dev->dev_addr, ETH_ALEN);
-	memcpy(mgmt->bssid, ifsta->bssid, ETH_ALEN);
-	mgmt->frame_control = IEEE80211_FC(IEEE80211_FTYPE_MGMT,
-					   IEEE80211_STYPE_DISASSOC);
-	skb_put(skb, 2);
-	mgmt->u.disassoc.reason_code = cpu_to_le16(reason);
+	if (local->hw.conf.channel->band == IEEE80211_BAND_2GHZ &&
+	    have_higher_than_11mbit)
+		sdata->flags |= IEEE80211_SDATA_OPERATING_GMODE;
+	else
+		sdata->flags &= ~IEEE80211_SDATA_OPERATING_GMODE;
 
-	ieee80211_sta_tx(dev, skb, 0);
+	ieee80211_set_wmm_default(sdata);
 }
 
-
-static int ieee80211_privacy_mismatch(struct net_device *dev,
-				      struct ieee80211_if_sta *ifsta)
+static void ieee80211_sta_wmm_params(struct ieee80211_local *local,
+				     struct ieee80211_if_sta *ifsta,
+				     u8 *wmm_param, size_t wmm_param_len)
 {
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct ieee80211_sta_bss *bss;
-	int bss_privacy;
-	int wep_privacy;
-	int privacy_invoked;
+	struct ieee80211_tx_queue_params params;
+	size_t left;
+	int count;
+	u8 *pos;
 
-	if (!ifsta || (ifsta->flags & IEEE80211_STA_MIXED_CELL))
-		return 0;
+	if (!(ifsta->flags & IEEE80211_STA_WMM_ENABLED))
+		return;
 
-	bss = ieee80211_rx_bss_get(dev, ifsta->bssid,
-				   local->hw.conf.channel->center_freq,
-				   ifsta->ssid, ifsta->ssid_len);
-	if (!bss)
-		return 0;
+	if (!wmm_param)
+		return;
 
-	bss_privacy = !!(bss->capability & WLAN_CAPABILITY_PRIVACY);
-	wep_privacy = !!ieee80211_sta_wep_configured(dev);
-	privacy_invoked = !!(ifsta->flags & IEEE80211_STA_PRIVACY_INVOKED);
+	if (wmm_param_len < 8 || wmm_param[5] /* version */ != 1)
+		return;
+	count = wmm_param[6] & 0x0f;
+	if (count == ifsta->wmm_last_param_set)
+		return;
+	ifsta->wmm_last_param_set = count;
 
-	ieee80211_rx_bss_put(local, bss);
+	pos = wmm_param + 8;
+	left = wmm_param_len - 8;
 
-	if ((bss_privacy == wep_privacy) || (bss_privacy == privacy_invoked))
-		return 0;
+	memset(&params, 0, sizeof(params));
 
-	return 1;
-}
+	if (!local->ops->conf_tx)
+		return;
+
+	local->wmm_acm = 0;
+	for (; left >= 4; left -= 4, pos += 4) {
+		int aci = (pos[0] >> 5) & 0x03;
+		int acm = (pos[0] >> 4) & 0x01;
+		int queue;
 
+		switch (aci) {
+		case 1:
+			queue = 3;
+			if (acm)
+				local->wmm_acm |= BIT(0) | BIT(3);
+			break;
+		case 2:
+			queue = 1;
+			if (acm)
+				local->wmm_acm |= BIT(4) | BIT(5);
+			break;
+		case 3:
+			queue = 0;
+			if (acm)
+				local->wmm_acm |= BIT(6) | BIT(7);
+			break;
+		case 0:
+		default:
+			queue = 2;
+			if (acm)
+				local->wmm_acm |= BIT(1) | BIT(2);
+			break;
+		}
 
-static void ieee80211_associate(struct net_device *dev,
-				struct ieee80211_if_sta *ifsta)
+		params.aifs = pos[0] & 0x0f;
+		params.cw_max = ecw2cw((pos[1] & 0xf0) >> 4);
+		params.cw_min = ecw2cw(pos[1] & 0x0f);
+		params.txop = get_unaligned_le16(pos + 2);
+#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
+		printk(KERN_DEBUG "%s: WMM queue=%d aci=%d acm=%d aifs=%d "
+		       "cWmin=%d cWmax=%d txop=%d\n",
+		       local->mdev->name, queue, aci, acm, params.aifs, params.cw_min,
+		       params.cw_max, params.txop);
+#endif
+		/* TODO: handle ACM (block TX, fallback to next lowest allowed
+		 * AC for now) */
+		if (local->ops->conf_tx(local_to_hw(local), queue, &params)) {
+			printk(KERN_DEBUG "%s: failed to set TX queue "
+			       "parameters for queue %d\n", local->mdev->name, queue);
+		}
+	}
+}
+
+static u32 ieee80211_handle_protect_preamb(struct ieee80211_sub_if_data *sdata,
+					   bool use_protection,
+					   bool use_short_preamble)
 {
+	struct ieee80211_bss_conf *bss_conf = &sdata->bss_conf;
+#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
+	struct ieee80211_if_sta *ifsta = &sdata->u.sta;
 	DECLARE_MAC_BUF(mac);
+#endif
+	u32 changed = 0;
 
-	ifsta->assoc_tries++;
-	if (ifsta->assoc_tries > IEEE80211_ASSOC_MAX_TRIES) {
-		printk(KERN_DEBUG "%s: association with AP %s"
-		       " timed out\n",
-		       dev->name, print_mac(mac, ifsta->bssid));
-		ifsta->state = IEEE80211_DISABLED;
-		return;
+	if (use_protection != bss_conf->use_cts_prot) {
+#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
+		if (net_ratelimit()) {
+			printk(KERN_DEBUG "%s: CTS protection %s (BSSID="
+			       "%s)\n",
+			       sdata->dev->name,
+			       use_protection ? "enabled" : "disabled",
+			       print_mac(mac, ifsta->bssid));
+		}
+#endif
+		bss_conf->use_cts_prot = use_protection;
+		changed |= BSS_CHANGED_ERP_CTS_PROT;
 	}
 
-	ifsta->state = IEEE80211_ASSOCIATE;
-	printk(KERN_DEBUG "%s: associate with AP %s\n",
-	       dev->name, print_mac(mac, ifsta->bssid));
-	if (ieee80211_privacy_mismatch(dev, ifsta)) {
-		printk(KERN_DEBUG "%s: mismatch in privacy configuration and "
-		       "mixed-cell disabled - abort association\n", dev->name);
-		ifsta->state = IEEE80211_DISABLED;
-		return;
+	if (use_short_preamble != bss_conf->use_short_preamble) {
+#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
+		if (net_ratelimit()) {
+			printk(KERN_DEBUG "%s: switched to %s barker preamble"
+			       " (BSSID=%s)\n",
+			       sdata->dev->name,
+			       use_short_preamble ? "short" : "long",
+			       print_mac(mac, ifsta->bssid));
+		}
+#endif
+		bss_conf->use_short_preamble = use_short_preamble;
+		changed |= BSS_CHANGED_ERP_PREAMBLE;
 	}
 
-	ieee80211_send_assoc(dev, ifsta);
-
-	mod_timer(&ifsta->timer, jiffies + IEEE80211_ASSOC_TIMEOUT);
+	return changed;
 }
 
-
-static void ieee80211_associated(struct net_device *dev,
-				 struct ieee80211_if_sta *ifsta)
+static u32 ieee80211_handle_erp_ie(struct ieee80211_sub_if_data *sdata,
+				   u8 erp_value)
 {
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct sta_info *sta;
-	int disassoc;
-	DECLARE_MAC_BUF(mac);
-
-	/* TODO: start monitoring current AP signal quality and number of
-	 * missed beacons. Scan other channels every now and then and search
-	 * for better APs. */
-	/* TODO: remove expired BSSes */
+	bool use_protection = (erp_value & WLAN_ERP_USE_PROTECTION) != 0;
+	bool use_short_preamble = (erp_value & WLAN_ERP_BARKER_PREAMBLE) == 0;
 
-	ifsta->state = IEEE80211_ASSOCIATED;
+	return ieee80211_handle_protect_preamb(sdata,
+			use_protection, use_short_preamble);
+}
 
-	rcu_read_lock();
+static u32 ieee80211_handle_bss_capability(struct ieee80211_sub_if_data *sdata,
+					   struct ieee80211_bss *bss)
+{
+	u32 changed = 0;
 
-	sta = sta_info_get(local, ifsta->bssid);
-	if (!sta) {
-		printk(KERN_DEBUG "%s: No STA entry for own AP %s\n",
-		       dev->name, print_mac(mac, ifsta->bssid));
-		disassoc = 1;
-	} else {
-		disassoc = 0;
-		if (time_after(jiffies,
-			       sta->last_rx + IEEE80211_MONITORING_INTERVAL)) {
-			if (ifsta->flags & IEEE80211_STA_PROBEREQ_POLL) {
-				printk(KERN_DEBUG "%s: No ProbeResp from "
-				       "current AP %s - assume out of "
-				       "range\n",
-				       dev->name, print_mac(mac, ifsta->bssid));
-				disassoc = 1;
-				sta_info_unlink(&sta);
-			} else
-				ieee80211_send_probe_req(dev, ifsta->bssid,
-							 local->scan_ssid,
-							 local->scan_ssid_len);
-			ifsta->flags ^= IEEE80211_STA_PROBEREQ_POLL;
-		} else {
-			ifsta->flags &= ~IEEE80211_STA_PROBEREQ_POLL;
-			if (time_after(jiffies, ifsta->last_probe +
-				       IEEE80211_PROBE_INTERVAL)) {
-				ifsta->last_probe = jiffies;
-				ieee80211_send_probe_req(dev, ifsta->bssid,
-							 ifsta->ssid,
-							 ifsta->ssid_len);
-			}
-		}
+	if (bss->has_erp_value)
+		changed |= ieee80211_handle_erp_ie(sdata, bss->erp_value);
+	else {
+		u16 capab = bss->capability;
+		changed |= ieee80211_handle_protect_preamb(sdata, false,
+				(capab & WLAN_CAPABILITY_SHORT_PREAMBLE) != 0);
 	}
 
-	rcu_read_unlock();
-
-	if (disassoc && sta)
-		sta_info_destroy(sta);
-
-	if (disassoc) {
-		ifsta->state = IEEE80211_DISABLED;
-		ieee80211_set_associated(dev, ifsta, 0);
-	} else {
-		mod_timer(&ifsta->timer, jiffies +
-				      IEEE80211_MONITORING_INTERVAL);
-	}
+	return changed;
 }
 
+static void ieee80211_sta_send_apinfo(struct ieee80211_sub_if_data *sdata,
+					struct ieee80211_if_sta *ifsta)
+{
+	union iwreq_data wrqu;
+	memset(&wrqu, 0, sizeof(wrqu));
+	if (ifsta->flags & IEEE80211_STA_ASSOCIATED)
+		memcpy(wrqu.ap_addr.sa_data, sdata->u.sta.bssid, ETH_ALEN);
+	wrqu.ap_addr.sa_family = ARPHRD_ETHER;
+	wireless_send_event(sdata->dev, SIOCGIWAP, &wrqu, NULL);
+}
 
-static void ieee80211_send_probe_req(struct net_device *dev, u8 *dst,
-				     u8 *ssid, size_t ssid_len)
+static void ieee80211_sta_send_associnfo(struct ieee80211_sub_if_data *sdata,
+					 struct ieee80211_if_sta *ifsta)
 {
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct ieee80211_supported_band *sband;
-	struct sk_buff *skb;
-	struct ieee80211_mgmt *mgmt;
-	u8 *pos, *supp_rates, *esupp_rates = NULL;
+	char *buf;
+	size_t len;
 	int i;
+	union iwreq_data wrqu;
 
-	skb = dev_alloc_skb(local->hw.extra_tx_headroom + sizeof(*mgmt) + 200);
-	if (!skb) {
-		printk(KERN_DEBUG "%s: failed to allocate buffer for probe "
-		       "request\n", dev->name);
+	if (!ifsta->assocreq_ies && !ifsta->assocresp_ies)
 		return;
-	}
-	skb_reserve(skb, local->hw.extra_tx_headroom);
-
-	mgmt = (struct ieee80211_mgmt *) skb_put(skb, 24);
-	memset(mgmt, 0, 24);
-	mgmt->frame_control = IEEE80211_FC(IEEE80211_FTYPE_MGMT,
-					   IEEE80211_STYPE_PROBE_REQ);
-	memcpy(mgmt->sa, dev->dev_addr, ETH_ALEN);
-	if (dst) {
-		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);
 
-	supp_rates = skb_put(skb, 2);
-	supp_rates[0] = WLAN_EID_SUPP_RATES;
-	supp_rates[1] = 0;
-	sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
+	buf = kmalloc(50 + 2 * (ifsta->assocreq_ies_len +
+				ifsta->assocresp_ies_len), GFP_KERNEL);
+	if (!buf)
+		return;
 
-	for (i = 0; i < sband->n_bitrates; i++) {
-		struct ieee80211_rate *rate = &sband->bitrates[i];
-		if (esupp_rates) {
-			pos = skb_put(skb, 1);
-			esupp_rates[1]++;
-		} else if (supp_rates[1] == 8) {
-			esupp_rates = skb_put(skb, 3);
-			esupp_rates[0] = WLAN_EID_EXT_SUPP_RATES;
-			esupp_rates[1] = 1;
-			pos = &esupp_rates[2];
-		} else {
-			pos = skb_put(skb, 1);
-			supp_rates[1]++;
+	len = sprintf(buf, "ASSOCINFO(");
+	if (ifsta->assocreq_ies) {
+		len += sprintf(buf + len, "ReqIEs=");
+		for (i = 0; i < ifsta->assocreq_ies_len; i++) {
+			len += sprintf(buf + len, "%02x",
+				       ifsta->assocreq_ies[i]);
+		}
+	}
+	if (ifsta->assocresp_ies) {
+		if (ifsta->assocreq_ies)
+			len += sprintf(buf + len, " ");
+		len += sprintf(buf + len, "RespIEs=");
+		for (i = 0; i < ifsta->assocresp_ies_len; i++) {
+			len += sprintf(buf + len, "%02x",
+				       ifsta->assocresp_ies[i]);
 		}
-		*pos = rate->bitrate / 5;
 	}
+	len += sprintf(buf + len, ")");
 
-	ieee80211_sta_tx(dev, skb, 0);
-}
+	if (len > IW_CUSTOM_MAX) {
+		len = sprintf(buf, "ASSOCRESPIE=");
+		for (i = 0; i < ifsta->assocresp_ies_len; i++) {
+			len += sprintf(buf + len, "%02x",
+				       ifsta->assocresp_ies[i]);
+		}
+	}
 
+	if (len <= IW_CUSTOM_MAX) {
+		memset(&wrqu, 0, sizeof(wrqu));
+		wrqu.data.length = len;
+		wireless_send_event(sdata->dev, IWEVCUSTOM, &wrqu, buf);
+	}
 
-static int ieee80211_sta_wep_configured(struct net_device *dev)
-{
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	if (!sdata || !sdata->default_key ||
-	    sdata->default_key->conf.alg != ALG_WEP)
-		return 0;
-	return 1;
+	kfree(buf);
 }
 
 
-static void ieee80211_auth_completed(struct net_device *dev,
+static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata,
 				     struct ieee80211_if_sta *ifsta)
 {
-	printk(KERN_DEBUG "%s: authenticated\n", dev->name);
-	ifsta->flags |= IEEE80211_STA_AUTHENTICATED;
-	ieee80211_associate(dev, ifsta);
-}
+	struct ieee80211_local *local = sdata->local;
+	struct ieee80211_conf *conf = &local_to_hw(local)->conf;
+	u32 changed = BSS_CHANGED_ASSOC;
 
+	struct ieee80211_bss *bss;
 
-static void ieee80211_auth_challenge(struct net_device *dev,
-				     struct ieee80211_if_sta *ifsta,
-				     struct ieee80211_mgmt *mgmt,
-				     size_t len)
-{
-	u8 *pos;
-	struct ieee802_11_elems elems;
+	ifsta->flags |= IEEE80211_STA_ASSOCIATED;
 
-	pos = mgmt->u.auth.variable;
-	ieee802_11_parse_elems(pos, len - (pos - (u8 *) mgmt), &elems);
-	if (!elems.challenge)
+	if (sdata->vif.type != NL80211_IFTYPE_STATION)
 		return;
-	ieee80211_send_auth(dev, ifsta, 3, elems.challenge - 2,
-			    elems.challenge_len + 2, 1);
-}
 
-static void ieee80211_send_addba_resp(struct net_device *dev, u8 *da, u16 tid,
-					u8 dialog_token, u16 status, u16 policy,
-					u16 buf_size, u16 timeout)
-{
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	struct ieee80211_if_sta *ifsta = &sdata->u.sta;
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct sk_buff *skb;
-	struct ieee80211_mgmt *mgmt;
-	u16 capab;
+	bss = ieee80211_rx_bss_get(local, ifsta->bssid,
+				   conf->channel->center_freq,
+				   ifsta->ssid, ifsta->ssid_len);
+	if (bss) {
+		/* set timing information */
+		sdata->bss_conf.beacon_int = bss->beacon_int;
+		sdata->bss_conf.timestamp = bss->timestamp;
+		sdata->bss_conf.dtim_period = bss->dtim_period;
 
-	skb = dev_alloc_skb(sizeof(*mgmt) + local->hw.extra_tx_headroom);
+		changed |= ieee80211_handle_bss_capability(sdata, bss);
 
-	if (!skb) {
-		printk(KERN_DEBUG "%s: failed to allocate buffer "
-		       "for addba resp frame\n", dev->name);
-		return;
+		ieee80211_rx_bss_put(local, bss);
 	}
 
-	skb_reserve(skb, local->hw.extra_tx_headroom);
-	mgmt = (struct ieee80211_mgmt *) skb_put(skb, 24);
-	memset(mgmt, 0, 24);
-	memcpy(mgmt->da, da, ETH_ALEN);
-	memcpy(mgmt->sa, dev->dev_addr, ETH_ALEN);
-	if (sdata->vif.type == IEEE80211_IF_TYPE_AP)
-		memcpy(mgmt->bssid, dev->dev_addr, ETH_ALEN);
-	else
-		memcpy(mgmt->bssid, ifsta->bssid, ETH_ALEN);
-	mgmt->frame_control = IEEE80211_FC(IEEE80211_FTYPE_MGMT,
-					   IEEE80211_STYPE_ACTION);
+	if (conf->flags & IEEE80211_CONF_SUPPORT_HT_MODE) {
+		changed |= BSS_CHANGED_HT;
+		sdata->bss_conf.assoc_ht = 1;
+		sdata->bss_conf.ht_conf = &conf->ht_conf;
+		sdata->bss_conf.ht_bss_conf = &conf->ht_bss_conf;
+	}
 
-	skb_put(skb, 1 + sizeof(mgmt->u.action.u.addba_resp));
-	mgmt->u.action.category = WLAN_CATEGORY_BACK;
-	mgmt->u.action.u.addba_resp.action_code = WLAN_ACTION_ADDBA_RESP;
-	mgmt->u.action.u.addba_resp.dialog_token = dialog_token;
+	ifsta->flags |= IEEE80211_STA_PREV_BSSID_SET;
+	memcpy(ifsta->prev_bssid, sdata->u.sta.bssid, ETH_ALEN);
+	ieee80211_sta_send_associnfo(sdata, ifsta);
 
-	capab = (u16)(policy << 1);	/* bit 1 aggregation policy */
-	capab |= (u16)(tid << 2); 	/* bit 5:2 TID number */
-	capab |= (u16)(buf_size << 6);	/* bit 15:6 max size of aggregation */
+	ifsta->last_probe = jiffies;
+	ieee80211_led_assoc(local, 1);
 
-	mgmt->u.action.u.addba_resp.capab = cpu_to_le16(capab);
-	mgmt->u.action.u.addba_resp.timeout = cpu_to_le16(timeout);
-	mgmt->u.action.u.addba_resp.status = cpu_to_le16(status);
+	sdata->bss_conf.assoc = 1;
+	/*
+	 * For now just always ask the driver to update the basic rateset
+	 * when we have associated, we aren't checking whether it actually
+	 * changed or not.
+	 */
+	changed |= BSS_CHANGED_BASIC_RATES;
+	ieee80211_bss_info_change_notify(sdata, changed);
 
-	ieee80211_sta_tx(dev, skb, 0);
+	netif_tx_start_all_queues(sdata->dev);
+	netif_carrier_on(sdata->dev);
 
-	return;
+	ieee80211_sta_send_apinfo(sdata, ifsta);
 }
 
-void ieee80211_send_addba_request(struct net_device *dev, const u8 *da,
-				u16 tid, u8 dialog_token, u16 start_seq_num,
-				u16 agg_size, u16 timeout)
+static void ieee80211_direct_probe(struct ieee80211_sub_if_data *sdata,
+				   struct ieee80211_if_sta *ifsta)
 {
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	struct ieee80211_if_sta *ifsta = &sdata->u.sta;
-	struct sk_buff *skb;
-	struct ieee80211_mgmt *mgmt;
-	u16 capab;
-
-	skb = dev_alloc_skb(sizeof(*mgmt) + local->hw.extra_tx_headroom);
+	DECLARE_MAC_BUF(mac);
 
-	if (!skb) {
-		printk(KERN_ERR "%s: failed to allocate buffer "
-				"for addba request frame\n", dev->name);
+	ifsta->direct_probe_tries++;
+	if (ifsta->direct_probe_tries > IEEE80211_AUTH_MAX_TRIES) {
+		printk(KERN_DEBUG "%s: direct probe to AP %s timed out\n",
+		       sdata->dev->name, print_mac(mac, ifsta->bssid));
+		ifsta->state = IEEE80211_STA_MLME_DISABLED;
 		return;
 	}
-	skb_reserve(skb, local->hw.extra_tx_headroom);
-	mgmt = (struct ieee80211_mgmt *) skb_put(skb, 24);
-	memset(mgmt, 0, 24);
-	memcpy(mgmt->da, da, ETH_ALEN);
-	memcpy(mgmt->sa, dev->dev_addr, ETH_ALEN);
-	if (sdata->vif.type == IEEE80211_IF_TYPE_AP)
-		memcpy(mgmt->bssid, dev->dev_addr, ETH_ALEN);
-	else
-		memcpy(mgmt->bssid, ifsta->bssid, ETH_ALEN);
 
-	mgmt->frame_control = IEEE80211_FC(IEEE80211_FTYPE_MGMT,
-					IEEE80211_STYPE_ACTION);
+	printk(KERN_DEBUG "%s: direct probe to AP %s try %d\n",
+			sdata->dev->name, print_mac(mac, ifsta->bssid),
+			ifsta->direct_probe_tries);
 
-	skb_put(skb, 1 + sizeof(mgmt->u.action.u.addba_req));
+	ifsta->state = IEEE80211_STA_MLME_DIRECT_PROBE;
 
-	mgmt->u.action.category = WLAN_CATEGORY_BACK;
-	mgmt->u.action.u.addba_req.action_code = WLAN_ACTION_ADDBA_REQ;
+	set_bit(IEEE80211_STA_REQ_DIRECT_PROBE, &ifsta->request);
 
-	mgmt->u.action.u.addba_req.dialog_token = dialog_token;
-	capab = (u16)(1 << 1);		/* bit 1 aggregation policy */
-	capab |= (u16)(tid << 2); 	/* bit 5:2 TID number */
-	capab |= (u16)(agg_size << 6);	/* bit 15:6 max size of aggergation */
-
-	mgmt->u.action.u.addba_req.capab = cpu_to_le16(capab);
-
-	mgmt->u.action.u.addba_req.timeout = cpu_to_le16(timeout);
-	mgmt->u.action.u.addba_req.start_seq_num =
-					cpu_to_le16(start_seq_num << 4);
+	/* Direct probe is sent to broadcast address as some APs
+	 * will not answer to direct packet in unassociated state.
+	 */
+	ieee80211_send_probe_req(sdata, NULL,
+				 ifsta->ssid, ifsta->ssid_len);
 
-	ieee80211_sta_tx(dev, skb, 0);
+	mod_timer(&ifsta->timer, jiffies + IEEE80211_AUTH_TIMEOUT);
 }
 
-static void ieee80211_sta_process_addba_request(struct net_device *dev,
-						struct ieee80211_mgmt *mgmt,
-						size_t len)
+
+static void ieee80211_authenticate(struct ieee80211_sub_if_data *sdata,
+				   struct ieee80211_if_sta *ifsta)
 {
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct ieee80211_hw *hw = &local->hw;
-	struct ieee80211_conf *conf = &hw->conf;
-	struct sta_info *sta;
-	struct tid_ampdu_rx *tid_agg_rx;
-	u16 capab, tid, timeout, ba_policy, buf_size, start_seq_num, status;
-	u8 dialog_token;
-	int ret = -EOPNOTSUPP;
 	DECLARE_MAC_BUF(mac);
 
-	rcu_read_lock();
-
-	sta = sta_info_get(local, mgmt->sa);
-	if (!sta) {
-		rcu_read_unlock();
+	ifsta->auth_tries++;
+	if (ifsta->auth_tries > IEEE80211_AUTH_MAX_TRIES) {
+		printk(KERN_DEBUG "%s: authentication with AP %s"
+		       " timed out\n",
+		       sdata->dev->name, print_mac(mac, ifsta->bssid));
+		ifsta->state = IEEE80211_STA_MLME_DISABLED;
 		return;
 	}
 
-	/* extract session parameters from addba request frame */
-	dialog_token = mgmt->u.action.u.addba_req.dialog_token;
-	timeout = le16_to_cpu(mgmt->u.action.u.addba_req.timeout);
-	start_seq_num =
-		le16_to_cpu(mgmt->u.action.u.addba_req.start_seq_num) >> 4;
-
-	capab = le16_to_cpu(mgmt->u.action.u.addba_req.capab);
-	ba_policy = (capab & IEEE80211_ADDBA_PARAM_POLICY_MASK) >> 1;
-	tid = (capab & IEEE80211_ADDBA_PARAM_TID_MASK) >> 2;
-	buf_size = (capab & IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK) >> 6;
-
-	status = WLAN_STATUS_REQUEST_DECLINED;
-
-	/* sanity check for incoming parameters:
-	 * check if configuration can support the BA policy
-	 * and if buffer size does not exceeds max value */
-	if (((ba_policy != 1)
-		&& (!(conf->ht_conf.cap & IEEE80211_HT_CAP_DELAY_BA)))
-		|| (buf_size > IEEE80211_MAX_AMPDU_BUF)) {
-		status = WLAN_STATUS_INVALID_QOS_PARAM;
-#ifdef CONFIG_MAC80211_HT_DEBUG
-		if (net_ratelimit())
-			printk(KERN_DEBUG "AddBA Req with bad params from "
-				"%s on tid %u. policy %d, buffer size %d\n",
-				print_mac(mac, mgmt->sa), tid, ba_policy,
-				buf_size);
-#endif /* CONFIG_MAC80211_HT_DEBUG */
-		goto end_no_lock;
-	}
-	/* determine default buffer size */
-	if (buf_size == 0) {
-		struct ieee80211_supported_band *sband;
-
-		sband = local->hw.wiphy->bands[conf->channel->band];
-		buf_size = IEEE80211_MIN_AMPDU_BUF;
-		buf_size = buf_size << sband->ht_info.ampdu_factor;
-	}
-
-
-	/* examine state machine */
-	spin_lock_bh(&sta->lock);
-
-	if (sta->ampdu_mlme.tid_state_rx[tid] != HT_AGG_STATE_IDLE) {
-#ifdef CONFIG_MAC80211_HT_DEBUG
-		if (net_ratelimit())
-			printk(KERN_DEBUG "unexpected AddBA Req from "
-				"%s on tid %u\n",
-				print_mac(mac, mgmt->sa), tid);
-#endif /* CONFIG_MAC80211_HT_DEBUG */
-		goto end;
-	}
+	ifsta->state = IEEE80211_STA_MLME_AUTHENTICATE;
+	printk(KERN_DEBUG "%s: authenticate with AP %s\n",
+	       sdata->dev->name, print_mac(mac, ifsta->bssid));
 
-	/* prepare A-MPDU MLME for Rx aggregation */
-	sta->ampdu_mlme.tid_rx[tid] =
-			kmalloc(sizeof(struct tid_ampdu_rx), GFP_ATOMIC);
-	if (!sta->ampdu_mlme.tid_rx[tid]) {
-#ifdef CONFIG_MAC80211_HT_DEBUG
-		if (net_ratelimit())
-			printk(KERN_ERR "allocate rx mlme to tid %d failed\n",
-					tid);
-#endif
-		goto end;
-	}
-	/* rx timer */
-	sta->ampdu_mlme.tid_rx[tid]->session_timer.function =
-				sta_rx_agg_session_timer_expired;
-	sta->ampdu_mlme.tid_rx[tid]->session_timer.data =
-				(unsigned long)&sta->timer_to_tid[tid];
-	init_timer(&sta->ampdu_mlme.tid_rx[tid]->session_timer);
-
-	tid_agg_rx = sta->ampdu_mlme.tid_rx[tid];
-
-	/* prepare reordering buffer */
-	tid_agg_rx->reorder_buf =
-		kmalloc(buf_size * sizeof(struct sk_buff *), GFP_ATOMIC);
-	if (!tid_agg_rx->reorder_buf) {
-#ifdef CONFIG_MAC80211_HT_DEBUG
-		if (net_ratelimit())
-			printk(KERN_ERR "can not allocate reordering buffer "
-			       "to tid %d\n", tid);
-#endif
-		kfree(sta->ampdu_mlme.tid_rx[tid]);
-		goto end;
-	}
-	memset(tid_agg_rx->reorder_buf, 0,
-		buf_size * sizeof(struct sk_buff *));
-
-	if (local->ops->ampdu_action)
-		ret = local->ops->ampdu_action(hw, IEEE80211_AMPDU_RX_START,
-					       sta->addr, tid, &start_seq_num);
-#ifdef CONFIG_MAC80211_HT_DEBUG
-	printk(KERN_DEBUG "Rx A-MPDU request on tid %d result %d\n", tid, ret);
-#endif /* CONFIG_MAC80211_HT_DEBUG */
-
-	if (ret) {
-		kfree(tid_agg_rx->reorder_buf);
-		kfree(tid_agg_rx);
-		sta->ampdu_mlme.tid_rx[tid] = NULL;
-		goto end;
-	}
+	ieee80211_send_auth(sdata, ifsta, 1, NULL, 0, 0);
 
-	/* change state and send addba resp */
-	sta->ampdu_mlme.tid_state_rx[tid] = HT_AGG_STATE_OPERATIONAL;
-	tid_agg_rx->dialog_token = dialog_token;
-	tid_agg_rx->ssn = start_seq_num;
-	tid_agg_rx->head_seq_num = start_seq_num;
-	tid_agg_rx->buf_size = buf_size;
-	tid_agg_rx->timeout = timeout;
-	tid_agg_rx->stored_mpdu_num = 0;
-	status = WLAN_STATUS_SUCCESS;
-end:
-	spin_unlock_bh(&sta->lock);
-
-end_no_lock:
-	ieee80211_send_addba_resp(sta->sdata->dev, sta->addr, tid,
-				  dialog_token, status, 1, buf_size, timeout);
-	rcu_read_unlock();
+	mod_timer(&ifsta->timer, jiffies + IEEE80211_AUTH_TIMEOUT);
 }
 
-static void ieee80211_sta_process_addba_resp(struct net_device *dev,
-					     struct ieee80211_mgmt *mgmt,
-					     size_t len)
+static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
+				   struct ieee80211_if_sta *ifsta, bool deauth,
+				   bool self_disconnected, u16 reason)
 {
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct ieee80211_hw *hw = &local->hw;
+	struct ieee80211_local *local = sdata->local;
 	struct sta_info *sta;
-	u16 capab;
-	u16 tid;
-	u8 *state;
+	u32 changed = BSS_CHANGED_ASSOC;
 
 	rcu_read_lock();
 
-	sta = sta_info_get(local, mgmt->sa);
+	sta = sta_info_get(local, ifsta->bssid);
 	if (!sta) {
 		rcu_read_unlock();
 		return;
 	}
 
-	capab = le16_to_cpu(mgmt->u.action.u.addba_resp.capab);
-	tid = (capab & IEEE80211_ADDBA_PARAM_TID_MASK) >> 2;
+	if (deauth) {
+		ifsta->direct_probe_tries = 0;
+		ifsta->auth_tries = 0;
+	}
+	ifsta->assoc_scan_tries = 0;
+	ifsta->assoc_tries = 0;
 
-	state = &sta->ampdu_mlme.tid_state_tx[tid];
+	netif_tx_stop_all_queues(sdata->dev);
+	netif_carrier_off(sdata->dev);
 
-	spin_lock_bh(&sta->lock);
+	ieee80211_sta_tear_down_BA_sessions(sdata, sta->sta.addr);
 
-	if (!(*state & HT_ADDBA_REQUESTED_MSK)) {
-		spin_unlock_bh(&sta->lock);
-		goto addba_resp_exit;
+	if (self_disconnected) {
+		if (deauth)
+			ieee80211_send_deauth_disassoc(sdata,
+				IEEE80211_STYPE_DEAUTH, reason);
+		else
+			ieee80211_send_deauth_disassoc(sdata,
+				IEEE80211_STYPE_DISASSOC, reason);
 	}
 
-	if (mgmt->u.action.u.addba_resp.dialog_token !=
-		sta->ampdu_mlme.tid_tx[tid]->dialog_token) {
-		spin_unlock_bh(&sta->lock);
-#ifdef CONFIG_MAC80211_HT_DEBUG
-		printk(KERN_DEBUG "wrong addBA response token, tid %d\n", tid);
-#endif /* CONFIG_MAC80211_HT_DEBUG */
-		goto addba_resp_exit;
-	}
+	ifsta->flags &= ~IEEE80211_STA_ASSOCIATED;
+	changed |= ieee80211_reset_erp_info(sdata);
 
-	del_timer_sync(&sta->ampdu_mlme.tid_tx[tid]->addba_resp_timer);
-#ifdef CONFIG_MAC80211_HT_DEBUG
-	printk(KERN_DEBUG "switched off addBA timer for tid %d \n", tid);
-#endif /* CONFIG_MAC80211_HT_DEBUG */
-	if (le16_to_cpu(mgmt->u.action.u.addba_resp.status)
-			== WLAN_STATUS_SUCCESS) {
-		*state |= HT_ADDBA_RECEIVED_MSK;
-		sta->ampdu_mlme.addba_req_num[tid] = 0;
+	if (sdata->bss_conf.assoc_ht)
+		changed |= BSS_CHANGED_HT;
 
-		if (*state == HT_AGG_STATE_OPERATIONAL)
-			ieee80211_wake_queue(hw, sta->tid_to_tx_q[tid]);
+	sdata->bss_conf.assoc_ht = 0;
+	sdata->bss_conf.ht_conf = NULL;
+	sdata->bss_conf.ht_bss_conf = NULL;
 
-		spin_unlock_bh(&sta->lock);
-	} else {
-		sta->ampdu_mlme.addba_req_num[tid]++;
-		/* this will allow the state check in stop_BA_session */
-		*state = HT_AGG_STATE_OPERATIONAL;
-		spin_unlock_bh(&sta->lock);
-		ieee80211_stop_tx_ba_session(hw, sta->addr, tid,
-					     WLAN_BACK_INITIATOR);
-	}
+	ieee80211_led_assoc(local, 0);
+	sdata->bss_conf.assoc = 0;
+
+	ieee80211_sta_send_apinfo(sdata, ifsta);
+
+	if (self_disconnected)
+		ifsta->state = IEEE80211_STA_MLME_DISABLED;
+
+	sta_info_unlink(&sta);
 
-addba_resp_exit:
 	rcu_read_unlock();
+
+	sta_info_destroy(sta);
 }
 
-void ieee80211_send_delba(struct net_device *dev, const u8 *da, u16 tid,
-			  u16 initiator, u16 reason_code)
+static int ieee80211_sta_wep_configured(struct ieee80211_sub_if_data *sdata)
 {
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	struct ieee80211_if_sta *ifsta = &sdata->u.sta;
-	struct sk_buff *skb;
-	struct ieee80211_mgmt *mgmt;
-	u16 params;
-
-	skb = dev_alloc_skb(sizeof(*mgmt) + local->hw.extra_tx_headroom);
-
-	if (!skb) {
-		printk(KERN_ERR "%s: failed to allocate buffer "
-					"for delba frame\n", dev->name);
-		return;
-	}
+	if (!sdata || !sdata->default_key ||
+	    sdata->default_key->conf.alg != ALG_WEP)
+		return 0;
+	return 1;
+}
 
-	skb_reserve(skb, local->hw.extra_tx_headroom);
-	mgmt = (struct ieee80211_mgmt *) skb_put(skb, 24);
-	memset(mgmt, 0, 24);
-	memcpy(mgmt->da, da, ETH_ALEN);
-	memcpy(mgmt->sa, dev->dev_addr, ETH_ALEN);
-	if (sdata->vif.type == IEEE80211_IF_TYPE_AP)
-		memcpy(mgmt->bssid, dev->dev_addr, ETH_ALEN);
-	else
-		memcpy(mgmt->bssid, ifsta->bssid, ETH_ALEN);
-	mgmt->frame_control = IEEE80211_FC(IEEE80211_FTYPE_MGMT,
-					IEEE80211_STYPE_ACTION);
+static int ieee80211_privacy_mismatch(struct ieee80211_sub_if_data *sdata,
+				      struct ieee80211_if_sta *ifsta)
+{
+	struct ieee80211_local *local = sdata->local;
+	struct ieee80211_bss *bss;
+	int bss_privacy;
+	int wep_privacy;
+	int privacy_invoked;
 
-	skb_put(skb, 1 + sizeof(mgmt->u.action.u.delba));
+	if (!ifsta || (ifsta->flags & IEEE80211_STA_MIXED_CELL))
+		return 0;
 
-	mgmt->u.action.category = WLAN_CATEGORY_BACK;
-	mgmt->u.action.u.delba.action_code = WLAN_ACTION_DELBA;
-	params = (u16)(initiator << 11); 	/* bit 11 initiator */
-	params |= (u16)(tid << 12); 		/* bit 15:12 TID number */
+	bss = ieee80211_rx_bss_get(local, ifsta->bssid,
+				   local->hw.conf.channel->center_freq,
+				   ifsta->ssid, ifsta->ssid_len);
+	if (!bss)
+		return 0;
 
-	mgmt->u.action.u.delba.params = cpu_to_le16(params);
-	mgmt->u.action.u.delba.reason_code = cpu_to_le16(reason_code);
+	bss_privacy = !!(bss->capability & WLAN_CAPABILITY_PRIVACY);
+	wep_privacy = !!ieee80211_sta_wep_configured(sdata);
+	privacy_invoked = !!(ifsta->flags & IEEE80211_STA_PRIVACY_INVOKED);
 
-	ieee80211_sta_tx(dev, skb, 0);
-}
+	ieee80211_rx_bss_put(local, bss);
 
-void ieee80211_send_bar(struct net_device *dev, u8 *ra, u16 tid, u16 ssn)
-{
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct sk_buff *skb;
-	struct ieee80211_bar *bar;
-	u16 bar_control = 0;
+	if ((bss_privacy == wep_privacy) || (bss_privacy == privacy_invoked))
+		return 0;
 
-	skb = dev_alloc_skb(sizeof(*bar) + local->hw.extra_tx_headroom);
-	if (!skb) {
-		printk(KERN_ERR "%s: failed to allocate buffer for "
-			"bar frame\n", dev->name);
-		return;
-	}
-	skb_reserve(skb, local->hw.extra_tx_headroom);
-	bar = (struct ieee80211_bar *)skb_put(skb, sizeof(*bar));
-	memset(bar, 0, sizeof(*bar));
-	bar->frame_control = IEEE80211_FC(IEEE80211_FTYPE_CTL,
-					IEEE80211_STYPE_BACK_REQ);
-	memcpy(bar->ra, ra, ETH_ALEN);
-	memcpy(bar->ta, dev->dev_addr, ETH_ALEN);
-	bar_control |= (u16)IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL;
-	bar_control |= (u16)IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA;
-	bar_control |= (u16)(tid << 12);
-	bar->control = cpu_to_le16(bar_control);
-	bar->start_seq_num = cpu_to_le16(ssn);
-
-	ieee80211_sta_tx(dev, skb, 0);
+	return 1;
 }
 
-void ieee80211_sta_stop_rx_ba_session(struct net_device *dev, u8 *ra, u16 tid,
-					u16 initiator, u16 reason)
+static void ieee80211_associate(struct ieee80211_sub_if_data *sdata,
+				struct ieee80211_if_sta *ifsta)
 {
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct ieee80211_hw *hw = &local->hw;
-	struct sta_info *sta;
-	int ret, i;
 	DECLARE_MAC_BUF(mac);
 
-	rcu_read_lock();
-
-	sta = sta_info_get(local, ra);
-	if (!sta) {
-		rcu_read_unlock();
+	ifsta->assoc_tries++;
+	if (ifsta->assoc_tries > IEEE80211_ASSOC_MAX_TRIES) {
+		printk(KERN_DEBUG "%s: association with AP %s"
+		       " timed out\n",
+		       sdata->dev->name, print_mac(mac, ifsta->bssid));
+		ifsta->state = IEEE80211_STA_MLME_DISABLED;
 		return;
 	}
 
-	/* check if TID is in operational state */
-	spin_lock_bh(&sta->lock);
-	if (sta->ampdu_mlme.tid_state_rx[tid]
-				!= HT_AGG_STATE_OPERATIONAL) {
-		spin_unlock_bh(&sta->lock);
-		rcu_read_unlock();
+	ifsta->state = IEEE80211_STA_MLME_ASSOCIATE;
+	printk(KERN_DEBUG "%s: associate with AP %s\n",
+	       sdata->dev->name, print_mac(mac, ifsta->bssid));
+	if (ieee80211_privacy_mismatch(sdata, ifsta)) {
+		printk(KERN_DEBUG "%s: mismatch in privacy configuration and "
+		       "mixed-cell disabled - abort association\n", sdata->dev->name);
+		ifsta->state = IEEE80211_STA_MLME_DISABLED;
 		return;
 	}
-	sta->ampdu_mlme.tid_state_rx[tid] =
-		HT_AGG_STATE_REQ_STOP_BA_MSK |
-		(initiator << HT_AGG_STATE_INITIATOR_SHIFT);
-	spin_unlock_bh(&sta->lock);
-
-	/* stop HW Rx aggregation. ampdu_action existence
-	 * already verified in session init so we add the BUG_ON */
-	BUG_ON(!local->ops->ampdu_action);
-
-#ifdef CONFIG_MAC80211_HT_DEBUG
-	printk(KERN_DEBUG "Rx BA session stop requested for %s tid %u\n",
-				print_mac(mac, ra), tid);
-#endif /* CONFIG_MAC80211_HT_DEBUG */
-
-	ret = local->ops->ampdu_action(hw, IEEE80211_AMPDU_RX_STOP,
-					ra, tid, NULL);
-	if (ret)
-		printk(KERN_DEBUG "HW problem - can not stop rx "
-				"aggregation for tid %d\n", tid);
-
-	/* shutdown timer has not expired */
-	if (initiator != WLAN_BACK_TIMER)
-		del_timer_sync(&sta->ampdu_mlme.tid_rx[tid]->session_timer);
-
-	/* check if this is a self generated aggregation halt */
-	if (initiator == WLAN_BACK_RECIPIENT || initiator == WLAN_BACK_TIMER)
-		ieee80211_send_delba(dev, ra, tid, 0, reason);
-
-	/* free the reordering buffer */
-	for (i = 0; i < sta->ampdu_mlme.tid_rx[tid]->buf_size; i++) {
-		if (sta->ampdu_mlme.tid_rx[tid]->reorder_buf[i]) {
-			/* release the reordered frames */
-			dev_kfree_skb(sta->ampdu_mlme.tid_rx[tid]->reorder_buf[i]);
-			sta->ampdu_mlme.tid_rx[tid]->stored_mpdu_num--;
-			sta->ampdu_mlme.tid_rx[tid]->reorder_buf[i] = NULL;
-		}
-	}
-	/* free resources */
-	kfree(sta->ampdu_mlme.tid_rx[tid]->reorder_buf);
-	kfree(sta->ampdu_mlme.tid_rx[tid]);
-	sta->ampdu_mlme.tid_rx[tid] = NULL;
-	sta->ampdu_mlme.tid_state_rx[tid] = HT_AGG_STATE_IDLE;
 
-	rcu_read_unlock();
+	ieee80211_send_assoc(sdata, ifsta);
+
+	mod_timer(&ifsta->timer, jiffies + IEEE80211_ASSOC_TIMEOUT);
 }
 
 
-static void ieee80211_sta_process_delba(struct net_device *dev,
-			struct ieee80211_mgmt *mgmt, size_t len)
+static void ieee80211_associated(struct ieee80211_sub_if_data *sdata,
+				 struct ieee80211_if_sta *ifsta)
 {
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+	struct ieee80211_local *local = sdata->local;
 	struct sta_info *sta;
-	u16 tid, params;
-	u16 initiator;
+	int disassoc;
 	DECLARE_MAC_BUF(mac);
 
-	rcu_read_lock();
-
-	sta = sta_info_get(local, mgmt->sa);
-	if (!sta) {
-		rcu_read_unlock();
-		return;
-	}
+	/* TODO: start monitoring current AP signal quality and number of
+	 * missed beacons. Scan other channels every now and then and search
+	 * for better APs. */
+	/* TODO: remove expired BSSes */
 
-	params = le16_to_cpu(mgmt->u.action.u.delba.params);
-	tid = (params & IEEE80211_DELBA_PARAM_TID_MASK) >> 12;
-	initiator = (params & IEEE80211_DELBA_PARAM_INITIATOR_MASK) >> 11;
-
-#ifdef CONFIG_MAC80211_HT_DEBUG
-	if (net_ratelimit())
-		printk(KERN_DEBUG "delba from %s (%s) tid %d reason code %d\n",
-			print_mac(mac, mgmt->sa),
-			initiator ? "initiator" : "recipient", tid,
-			mgmt->u.action.u.delba.reason_code);
-#endif /* CONFIG_MAC80211_HT_DEBUG */
-
-	if (initiator == WLAN_BACK_INITIATOR)
-		ieee80211_sta_stop_rx_ba_session(dev, sta->addr, tid,
-						 WLAN_BACK_INITIATOR, 0);
-	else { /* WLAN_BACK_RECIPIENT */
-		spin_lock_bh(&sta->lock);
-		sta->ampdu_mlme.tid_state_tx[tid] =
-				HT_AGG_STATE_OPERATIONAL;
-		spin_unlock_bh(&sta->lock);
-		ieee80211_stop_tx_ba_session(&local->hw, sta->addr, tid,
-					     WLAN_BACK_RECIPIENT);
-	}
-	rcu_read_unlock();
-}
-
-/*
- * After sending add Block Ack request we activated a timer until
- * add Block Ack response will arrive from the recipient.
- * If this timer expires sta_addba_resp_timer_expired will be executed.
- */
-void sta_addba_resp_timer_expired(unsigned long data)
-{
-	/* not an elegant detour, but there is no choice as the timer passes
-	 * only one argument, and both sta_info and TID are needed, so init
-	 * flow in sta_info_create gives the TID as data, while the timer_to_id
-	 * array gives the sta through container_of */
-	u16 tid = *(u8 *)data;
-	struct sta_info *temp_sta = container_of((void *)data,
-		struct sta_info, timer_to_tid[tid]);
-
-	struct ieee80211_local *local = temp_sta->local;
-	struct ieee80211_hw *hw = &local->hw;
-	struct sta_info *sta;
-	u8 *state;
+	ifsta->state = IEEE80211_STA_MLME_ASSOCIATED;
 
 	rcu_read_lock();
 
-	sta = sta_info_get(local, temp_sta->addr);
+	sta = sta_info_get(local, ifsta->bssid);
 	if (!sta) {
-		rcu_read_unlock();
-		return;
-	}
-
-	state = &sta->ampdu_mlme.tid_state_tx[tid];
-	/* check if the TID waits for addBA response */
-	spin_lock_bh(&sta->lock);
-	if (!(*state & HT_ADDBA_REQUESTED_MSK)) {
-		spin_unlock_bh(&sta->lock);
-		*state = HT_AGG_STATE_IDLE;
-#ifdef CONFIG_MAC80211_HT_DEBUG
-		printk(KERN_DEBUG "timer expired on tid %d but we are not "
-				"expecting addBA response there", tid);
-#endif
-		goto timer_expired_exit;
+		printk(KERN_DEBUG "%s: No STA entry for own AP %s\n",
+		       sdata->dev->name, print_mac(mac, ifsta->bssid));
+		disassoc = 1;
+	} else {
+		disassoc = 0;
+		if (time_after(jiffies,
+			       sta->last_rx + IEEE80211_MONITORING_INTERVAL)) {
+			if (ifsta->flags & IEEE80211_STA_PROBEREQ_POLL) {
+				printk(KERN_DEBUG "%s: No ProbeResp from "
+				       "current AP %s - assume out of "
+				       "range\n",
+				       sdata->dev->name, print_mac(mac, ifsta->bssid));
+				disassoc = 1;
+			} else
+				ieee80211_send_probe_req(sdata, ifsta->bssid,
+							 ifsta->ssid,
+							 ifsta->ssid_len);
+			ifsta->flags ^= IEEE80211_STA_PROBEREQ_POLL;
+		} else {
+			ifsta->flags &= ~IEEE80211_STA_PROBEREQ_POLL;
+			if (time_after(jiffies, ifsta->last_probe +
+				       IEEE80211_PROBE_INTERVAL)) {
+				ifsta->last_probe = jiffies;
+				ieee80211_send_probe_req(sdata, ifsta->bssid,
+							 ifsta->ssid,
+							 ifsta->ssid_len);
+			}
+		}
 	}
 
-#ifdef CONFIG_MAC80211_HT_DEBUG
-	printk(KERN_DEBUG "addBA response timer expired on tid %d\n", tid);
-#endif
-
-	/* go through the state check in stop_BA_session */
-	*state = HT_AGG_STATE_OPERATIONAL;
-	spin_unlock_bh(&sta->lock);
-	ieee80211_stop_tx_ba_session(hw, temp_sta->addr, tid,
-				     WLAN_BACK_INITIATOR);
-
-timer_expired_exit:
 	rcu_read_unlock();
-}
 
-/*
- * After accepting the AddBA Request we activated a timer,
- * resetting it after each frame that arrives from the originator.
- * if this timer expires ieee80211_sta_stop_rx_ba_session will be executed.
- */
-static void sta_rx_agg_session_timer_expired(unsigned long data)
-{
-	/* not an elegant detour, but there is no choice as the timer passes
-	 * only one argument, and various sta_info are needed here, so init
-	 * flow in sta_info_create gives the TID as data, while the timer_to_id
-	 * array gives the sta through container_of */
-	u8 *ptid = (u8 *)data;
-	u8 *timer_to_id = ptid - *ptid;
-	struct sta_info *sta = container_of(timer_to_id, struct sta_info,
-					 timer_to_tid[0]);
-
-#ifdef CONFIG_MAC80211_HT_DEBUG
-	printk(KERN_DEBUG "rx session timer expired on tid %d\n", (u16)*ptid);
-#endif
-	ieee80211_sta_stop_rx_ba_session(sta->sdata->dev, sta->addr,
-					 (u16)*ptid, WLAN_BACK_TIMER,
-					 WLAN_REASON_QSTA_TIMEOUT);
+	if (disassoc)
+		ieee80211_set_disassoc(sdata, ifsta, true, true,
+					WLAN_REASON_PREV_AUTH_NOT_VALID);
+	else
+		mod_timer(&ifsta->timer, jiffies +
+				      IEEE80211_MONITORING_INTERVAL);
 }
 
-void ieee80211_sta_tear_down_BA_sessions(struct net_device *dev, u8 *addr)
-{
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	int i;
 
-	for (i = 0; i <  STA_TID_NUM; i++) {
-		ieee80211_stop_tx_ba_session(&local->hw, addr, i,
-					     WLAN_BACK_INITIATOR);
-		ieee80211_sta_stop_rx_ba_session(dev, addr, i,
-						 WLAN_BACK_RECIPIENT,
-						 WLAN_REASON_QSTA_LEAVE_QBSS);
-	}
+static void ieee80211_auth_completed(struct ieee80211_sub_if_data *sdata,
+				     struct ieee80211_if_sta *ifsta)
+{
+	printk(KERN_DEBUG "%s: authenticated\n", sdata->dev->name);
+	ifsta->flags |= IEEE80211_STA_AUTHENTICATED;
+	ieee80211_associate(sdata, ifsta);
 }
 
-static void ieee80211_send_refuse_measurement_request(struct net_device *dev,
-					struct ieee80211_msrment_ie *request_ie,
-					const u8 *da, const u8 *bssid,
-					u8 dialog_token)
-{
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct sk_buff *skb;
-	struct ieee80211_mgmt *msr_report;
 
-	skb = dev_alloc_skb(sizeof(*msr_report) + local->hw.extra_tx_headroom +
-				sizeof(struct ieee80211_msrment_ie));
+static void ieee80211_auth_challenge(struct ieee80211_sub_if_data *sdata,
+				     struct ieee80211_if_sta *ifsta,
+				     struct ieee80211_mgmt *mgmt,
+				     size_t len)
+{
+	u8 *pos;
+	struct ieee802_11_elems elems;
 
-	if (!skb) {
-		printk(KERN_ERR "%s: failed to allocate buffer for "
-				"measurement report frame\n", dev->name);
+	pos = mgmt->u.auth.variable;
+	ieee802_11_parse_elems(pos, len - (pos - (u8 *) mgmt), &elems);
+	if (!elems.challenge)
 		return;
-	}
-
-	skb_reserve(skb, local->hw.extra_tx_headroom);
-	msr_report = (struct ieee80211_mgmt *)skb_put(skb, 24);
-	memset(msr_report, 0, 24);
-	memcpy(msr_report->da, da, ETH_ALEN);
-	memcpy(msr_report->sa, dev->dev_addr, ETH_ALEN);
-	memcpy(msr_report->bssid, bssid, ETH_ALEN);
-	msr_report->frame_control = IEEE80211_FC(IEEE80211_FTYPE_MGMT,
-						IEEE80211_STYPE_ACTION);
-
-	skb_put(skb, 1 + sizeof(msr_report->u.action.u.measurement));
-	msr_report->u.action.category = WLAN_CATEGORY_SPECTRUM_MGMT;
-	msr_report->u.action.u.measurement.action_code =
-				WLAN_ACTION_SPCT_MSR_RPRT;
-	msr_report->u.action.u.measurement.dialog_token = dialog_token;
-
-	msr_report->u.action.u.measurement.element_id = WLAN_EID_MEASURE_REPORT;
-	msr_report->u.action.u.measurement.length =
-			sizeof(struct ieee80211_msrment_ie);
-
-	memset(&msr_report->u.action.u.measurement.msr_elem, 0,
-		sizeof(struct ieee80211_msrment_ie));
-	msr_report->u.action.u.measurement.msr_elem.token = request_ie->token;
-	msr_report->u.action.u.measurement.msr_elem.mode |=
-			IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED;
-	msr_report->u.action.u.measurement.msr_elem.type = request_ie->type;
-
-	ieee80211_sta_tx(dev, skb, 0);
-}
-
-static void ieee80211_sta_process_measurement_req(struct net_device *dev,
-						struct ieee80211_mgmt *mgmt,
-						size_t len)
-{
-	/*
-	 * Ignoring measurement request is spec violation.
-	 * Mandatory measurements must be reported optional
-	 * measurements might be refused or reported incapable
-	 * For now just refuse
-	 * TODO: Answer basic measurement as unmeasured
-	 */
-	ieee80211_send_refuse_measurement_request(dev,
-			&mgmt->u.action.u.measurement.msr_elem,
-			mgmt->sa, mgmt->bssid,
-			mgmt->u.action.u.measurement.dialog_token);
+	ieee80211_send_auth(sdata, ifsta, 3, elems.challenge - 2,
+			    elems.challenge_len + 2, 1);
 }
 
-
-static void ieee80211_rx_mgmt_auth(struct net_device *dev,
+static void ieee80211_rx_mgmt_auth(struct ieee80211_sub_if_data *sdata,
 				   struct ieee80211_if_sta *ifsta,
 				   struct ieee80211_mgmt *mgmt,
 				   size_t len)
 {
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 	u16 auth_alg, auth_transaction, status_code;
 	DECLARE_MAC_BUF(mac);
 
-	if (ifsta->state != IEEE80211_AUTHENTICATE &&
-	    sdata->vif.type != IEEE80211_IF_TYPE_IBSS)
+	if (ifsta->state != IEEE80211_STA_MLME_AUTHENTICATE &&
+	    sdata->vif.type != NL80211_IFTYPE_ADHOC)
 		return;
 
 	if (len < 24 + 6)
 		return;
 
-	if (sdata->vif.type != IEEE80211_IF_TYPE_IBSS &&
+	if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
 	    memcmp(ifsta->bssid, mgmt->sa, ETH_ALEN) != 0)
 		return;
 
-	if (sdata->vif.type != IEEE80211_IF_TYPE_IBSS &&
+	if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
 	    memcmp(ifsta->bssid, mgmt->bssid, ETH_ALEN) != 0)
 		return;
 
@@ -1840,7 +1053,7 @@ static void ieee80211_rx_mgmt_auth(struct net_device *dev,
 	auth_transaction = le16_to_cpu(mgmt->u.auth.auth_transaction);
 	status_code = le16_to_cpu(mgmt->u.auth.status_code);
 
-	if (sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
+	if (sdata->vif.type == NL80211_IFTYPE_ADHOC) {
 		/*
 		 * IEEE 802.11 standard does not require authentication in IBSS
 		 * networks and most implementations do not seem to use it.
@@ -1849,7 +1062,7 @@ static void ieee80211_rx_mgmt_auth(struct net_device *dev,
 		 */
 		if (auth_alg != WLAN_AUTH_OPEN || auth_transaction != 1)
 			return;
-		ieee80211_send_auth(dev, ifsta, 2, NULL, 0, 0);
+		ieee80211_send_auth(sdata, ifsta, 2, NULL, 0, 0);
 	}
 
 	if (auth_alg != ifsta->auth_alg ||
@@ -1882,7 +1095,7 @@ static void ieee80211_rx_mgmt_auth(struct net_device *dev,
 				    algs[pos] == 0xff)
 					continue;
 				if (algs[pos] == WLAN_AUTH_SHARED_KEY &&
-				    !ieee80211_sta_wep_configured(dev))
+				    !ieee80211_sta_wep_configured(sdata))
 					continue;
 				ifsta->auth_alg = algs[pos];
 				break;
@@ -1894,19 +1107,19 @@ static void ieee80211_rx_mgmt_auth(struct net_device *dev,
 	switch (ifsta->auth_alg) {
 	case WLAN_AUTH_OPEN:
 	case WLAN_AUTH_LEAP:
-		ieee80211_auth_completed(dev, ifsta);
+		ieee80211_auth_completed(sdata, ifsta);
 		break;
 	case WLAN_AUTH_SHARED_KEY:
 		if (ifsta->auth_transaction == 4)
-			ieee80211_auth_completed(dev, ifsta);
+			ieee80211_auth_completed(sdata, ifsta);
 		else
-			ieee80211_auth_challenge(dev, ifsta, mgmt, len);
+			ieee80211_auth_challenge(sdata, ifsta, mgmt, len);
 		break;
 	}
 }
 
 
-static void ieee80211_rx_mgmt_deauth(struct net_device *dev,
+static void ieee80211_rx_mgmt_deauth(struct ieee80211_sub_if_data *sdata,
 				     struct ieee80211_if_sta *ifsta,
 				     struct ieee80211_mgmt *mgmt,
 				     size_t len)
@@ -1923,22 +1136,22 @@ static void ieee80211_rx_mgmt_deauth(struct net_device *dev,
 	reason_code = le16_to_cpu(mgmt->u.deauth.reason_code);
 
 	if (ifsta->flags & IEEE80211_STA_AUTHENTICATED)
-		printk(KERN_DEBUG "%s: deauthenticated\n", dev->name);
+		printk(KERN_DEBUG "%s: deauthenticated\n", sdata->dev->name);
 
-	if (ifsta->state == IEEE80211_AUTHENTICATE ||
-	    ifsta->state == IEEE80211_ASSOCIATE ||
-	    ifsta->state == IEEE80211_ASSOCIATED) {
-		ifsta->state = IEEE80211_AUTHENTICATE;
+	if (ifsta->state == IEEE80211_STA_MLME_AUTHENTICATE ||
+	    ifsta->state == IEEE80211_STA_MLME_ASSOCIATE ||
+	    ifsta->state == IEEE80211_STA_MLME_ASSOCIATED) {
+		ifsta->state = IEEE80211_STA_MLME_DIRECT_PROBE;
 		mod_timer(&ifsta->timer, jiffies +
 				      IEEE80211_RETRY_AUTH_INTERVAL);
 	}
 
-	ieee80211_set_disassoc(dev, ifsta, 1);
+	ieee80211_set_disassoc(sdata, ifsta, true, false, 0);
 	ifsta->flags &= ~IEEE80211_STA_AUTHENTICATED;
 }
 
 
-static void ieee80211_rx_mgmt_disassoc(struct net_device *dev,
+static void ieee80211_rx_mgmt_disassoc(struct ieee80211_sub_if_data *sdata,
 				       struct ieee80211_if_sta *ifsta,
 				       struct ieee80211_mgmt *mgmt,
 				       size_t len)
@@ -1955,15 +1168,15 @@ static void ieee80211_rx_mgmt_disassoc(struct net_device *dev,
 	reason_code = le16_to_cpu(mgmt->u.disassoc.reason_code);
 
 	if (ifsta->flags & IEEE80211_STA_ASSOCIATED)
-		printk(KERN_DEBUG "%s: disassociated\n", dev->name);
+		printk(KERN_DEBUG "%s: disassociated\n", sdata->dev->name);
 
-	if (ifsta->state == IEEE80211_ASSOCIATED) {
-		ifsta->state = IEEE80211_ASSOCIATE;
+	if (ifsta->state == IEEE80211_STA_MLME_ASSOCIATED) {
+		ifsta->state = IEEE80211_STA_MLME_ASSOCIATE;
 		mod_timer(&ifsta->timer, jiffies +
 				      IEEE80211_RETRY_AUTH_INTERVAL);
 	}
 
-	ieee80211_set_disassoc(dev, ifsta, 0);
+	ieee80211_set_disassoc(sdata, ifsta, false, false, 0);
 }
 
 
@@ -1974,7 +1187,6 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
 					 int reassoc)
 {
 	struct ieee80211_local *local = sdata->local;
-	struct net_device *dev = sdata->dev;
 	struct ieee80211_supported_band *sband;
 	struct sta_info *sta;
 	u64 rates, basic_rates;
@@ -1989,7 +1201,7 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
 	/* AssocResp and ReassocResp have identical structure, so process both
 	 * of them in this function. */
 
-	if (ifsta->state != IEEE80211_ASSOCIATE)
+	if (ifsta->state != IEEE80211_STA_MLME_ASSOCIATE)
 		return;
 
 	if (len < 24 + 6)
@@ -2004,12 +1216,12 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
 
 	printk(KERN_DEBUG "%s: RX %sssocResp from %s (capab=0x%x "
 	       "status=%d aid=%d)\n",
-	       dev->name, reassoc ? "Rea" : "A", print_mac(mac, mgmt->sa),
+	       sdata->dev->name, reassoc ? "Rea" : "A", print_mac(mac, mgmt->sa),
 	       capab_info, status_code, (u16)(aid & ~(BIT(15) | BIT(14))));
 
 	if (status_code != WLAN_STATUS_SUCCESS) {
 		printk(KERN_DEBUG "%s: AP denied association (code=%d)\n",
-		       dev->name, status_code);
+		       sdata->dev->name, status_code);
 		/* if this was a reassociation, ensure we try a "full"
 		 * association next time. This works around some broken APs
 		 * which do not correctly reject reassociation requests. */
@@ -2019,7 +1231,7 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
 
 	if ((aid & (BIT(15) | BIT(14))) != (BIT(15) | BIT(14)))
 		printk(KERN_DEBUG "%s: invalid aid value %d; bits 15:14 not "
-		       "set\n", dev->name, aid);
+		       "set\n", sdata->dev->name, aid);
 	aid &= ~(BIT(15) | BIT(14));
 
 	pos = mgmt->u.assoc_resp.variable;
@@ -2027,11 +1239,11 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
 
 	if (!elems.supp_rates) {
 		printk(KERN_DEBUG "%s: no SuppRates element in AssocResp\n",
-		       dev->name);
+		       sdata->dev->name);
 		return;
 	}
 
-	printk(KERN_DEBUG "%s: associated\n", dev->name);
+	printk(KERN_DEBUG "%s: associated\n", sdata->dev->name);
 	ifsta->aid = aid;
 	ifsta->ap_capab = capab_info;
 
@@ -2046,17 +1258,17 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
 	/* Add STA entry for the AP */
 	sta = sta_info_get(local, ifsta->bssid);
 	if (!sta) {
-		struct ieee80211_sta_bss *bss;
+		struct ieee80211_bss *bss;
 		int err;
 
 		sta = sta_info_alloc(sdata, ifsta->bssid, GFP_ATOMIC);
 		if (!sta) {
 			printk(KERN_DEBUG "%s: failed to alloc STA entry for"
-			       " the AP\n", dev->name);
+			       " the AP\n", sdata->dev->name);
 			rcu_read_unlock();
 			return;
 		}
-		bss = ieee80211_rx_bss_get(dev, ifsta->bssid,
+		bss = ieee80211_rx_bss_get(local, ifsta->bssid,
 					   local->hw.conf.channel->center_freq,
 					   ifsta->ssid, ifsta->ssid_len);
 		if (bss) {
@@ -2069,7 +1281,7 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
 		err = sta_info_insert(sta);
 		if (err) {
 			printk(KERN_DEBUG "%s: failed to insert STA entry for"
-			       " the AP (error %d)\n", dev->name, err);
+			       " the AP (error %d)\n", sdata->dev->name, err);
 			rcu_read_unlock();
 			return;
 		}
@@ -2122,8 +1334,8 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
 		}
 	}
 
-	sta->supp_rates[local->hw.conf.channel->band] = rates;
-	sdata->basic_rates = basic_rates;
+	sta->sta.supp_rates[local->hw.conf.channel->band] = rates;
+	sdata->bss_conf.basic_rates = basic_rates;
 
 	/* cf. IEEE 802.11 9.2.12 */
 	if (local->hw.conf.channel->band == IEEE80211_BAND_2GHZ &&
@@ -2137,19 +1349,19 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
 		struct ieee80211_ht_bss_info bss_info;
 		ieee80211_ht_cap_ie_to_ht_info(
 				(struct ieee80211_ht_cap *)
-				elems.ht_cap_elem, &sta->ht_info);
+				elems.ht_cap_elem, &sta->sta.ht_info);
 		ieee80211_ht_addt_info_ie_to_ht_bss_info(
 				(struct ieee80211_ht_addt_info *)
 				elems.ht_info_elem, &bss_info);
-		ieee80211_handle_ht(local, 1, &sta->ht_info, &bss_info);
+		ieee80211_handle_ht(local, 1, &sta->sta.ht_info, &bss_info);
 	}
 
-	rate_control_rate_init(sta, local);
+	rate_control_rate_init(sta);
 
 	if (elems.wmm_param) {
 		set_sta_flags(sta, WLAN_STA_WME);
 		rcu_read_unlock();
-		ieee80211_sta_wmm_params(dev, ifsta, elems.wmm_param,
+		ieee80211_sta_wmm_params(local, ifsta, elems.wmm_param,
 					 elems.wmm_param_len);
 	} else
 		rcu_read_unlock();
@@ -2158,234 +1370,26 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
 	 * ieee80211_set_associated() will tell the driver */
 	bss_conf->aid = aid;
 	bss_conf->assoc_capability = capab_info;
-	ieee80211_set_associated(dev, ifsta, 1);
-
-	ieee80211_associated(dev, ifsta);
-}
-
+	ieee80211_set_associated(sdata, ifsta);
 
-/* Caller must hold local->sta_bss_lock */
-static void __ieee80211_rx_bss_hash_add(struct net_device *dev,
-					struct ieee80211_sta_bss *bss)
-{
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	u8 hash_idx;
-
-	if (bss_mesh_cfg(bss))
-		hash_idx = mesh_id_hash(bss_mesh_id(bss),
-					bss_mesh_id_len(bss));
-	else
-		hash_idx = STA_HASH(bss->bssid);
-
-	bss->hnext = local->sta_bss_hash[hash_idx];
-	local->sta_bss_hash[hash_idx] = bss;
-}
-
-
-/* Caller must hold local->sta_bss_lock */
-static void __ieee80211_rx_bss_hash_del(struct ieee80211_local *local,
-					struct ieee80211_sta_bss *bss)
-{
-	struct ieee80211_sta_bss *b, *prev = NULL;
-	b = local->sta_bss_hash[STA_HASH(bss->bssid)];
-	while (b) {
-		if (b == bss) {
-			if (!prev)
-				local->sta_bss_hash[STA_HASH(bss->bssid)] =
-					bss->hnext;
-			else
-				prev->hnext = bss->hnext;
-			break;
-		}
-		prev = b;
-		b = b->hnext;
-	}
-}
-
-
-static struct ieee80211_sta_bss *
-ieee80211_rx_bss_add(struct net_device *dev, u8 *bssid, int freq,
-		     u8 *ssid, u8 ssid_len)
-{
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct ieee80211_sta_bss *bss;
-
-	bss = kzalloc(sizeof(*bss), GFP_ATOMIC);
-	if (!bss)
-		return NULL;
-	atomic_inc(&bss->users);
-	atomic_inc(&bss->users);
-	memcpy(bss->bssid, bssid, ETH_ALEN);
-	bss->freq = freq;
-	if (ssid && ssid_len <= IEEE80211_MAX_SSID_LEN) {
-		memcpy(bss->ssid, ssid, ssid_len);
-		bss->ssid_len = ssid_len;
-	}
-
-	spin_lock_bh(&local->sta_bss_lock);
-	/* TODO: order by RSSI? */
-	list_add_tail(&bss->list, &local->sta_bss_list);
-	__ieee80211_rx_bss_hash_add(dev, bss);
-	spin_unlock_bh(&local->sta_bss_lock);
-	return bss;
-}
-
-static struct ieee80211_sta_bss *
-ieee80211_rx_bss_get(struct net_device *dev, u8 *bssid, int freq,
-		     u8 *ssid, u8 ssid_len)
-{
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct ieee80211_sta_bss *bss;
-
-	spin_lock_bh(&local->sta_bss_lock);
-	bss = local->sta_bss_hash[STA_HASH(bssid)];
-	while (bss) {
-		if (!bss_mesh_cfg(bss) &&
-		    !memcmp(bss->bssid, bssid, ETH_ALEN) &&
-		    bss->freq == freq &&
-		    bss->ssid_len == ssid_len &&
-		    (ssid_len == 0 || !memcmp(bss->ssid, ssid, ssid_len))) {
-			atomic_inc(&bss->users);
-			break;
-		}
-		bss = bss->hnext;
-	}
-	spin_unlock_bh(&local->sta_bss_lock);
-	return bss;
-}
-
-#ifdef CONFIG_MAC80211_MESH
-static struct ieee80211_sta_bss *
-ieee80211_rx_mesh_bss_get(struct net_device *dev, u8 *mesh_id, int mesh_id_len,
-			  u8 *mesh_cfg, int freq)
-{
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct ieee80211_sta_bss *bss;
-
-	spin_lock_bh(&local->sta_bss_lock);
-	bss = local->sta_bss_hash[mesh_id_hash(mesh_id, mesh_id_len)];
-	while (bss) {
-		if (bss_mesh_cfg(bss) &&
-		    !memcmp(bss_mesh_cfg(bss), mesh_cfg, MESH_CFG_CMP_LEN) &&
-		    bss->freq == freq &&
-		    mesh_id_len == bss->mesh_id_len &&
-		    (mesh_id_len == 0 || !memcmp(bss->mesh_id, mesh_id,
-						 mesh_id_len))) {
-			atomic_inc(&bss->users);
-			break;
-		}
-		bss = bss->hnext;
-	}
-	spin_unlock_bh(&local->sta_bss_lock);
-	return bss;
-}
-
-static struct ieee80211_sta_bss *
-ieee80211_rx_mesh_bss_add(struct net_device *dev, u8 *mesh_id, int mesh_id_len,
-			  u8 *mesh_cfg, int mesh_config_len, int freq)
-{
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct ieee80211_sta_bss *bss;
-
-	if (mesh_config_len != MESH_CFG_LEN)
-		return NULL;
-
-	bss = kzalloc(sizeof(*bss), GFP_ATOMIC);
-	if (!bss)
-		return NULL;
-
-	bss->mesh_cfg = kmalloc(MESH_CFG_CMP_LEN, GFP_ATOMIC);
-	if (!bss->mesh_cfg) {
-		kfree(bss);
-		return NULL;
-	}
-
-	if (mesh_id_len && mesh_id_len <= IEEE80211_MAX_MESH_ID_LEN) {
-		bss->mesh_id = kmalloc(mesh_id_len, GFP_ATOMIC);
-		if (!bss->mesh_id) {
-			kfree(bss->mesh_cfg);
-			kfree(bss);
-			return NULL;
-		}
-		memcpy(bss->mesh_id, mesh_id, mesh_id_len);
-	}
-
-	atomic_inc(&bss->users);
-	atomic_inc(&bss->users);
-	memcpy(bss->mesh_cfg, mesh_cfg, MESH_CFG_CMP_LEN);
-	bss->mesh_id_len = mesh_id_len;
-	bss->freq = freq;
-	spin_lock_bh(&local->sta_bss_lock);
-	/* TODO: order by RSSI? */
-	list_add_tail(&bss->list, &local->sta_bss_list);
-	__ieee80211_rx_bss_hash_add(dev, bss);
-	spin_unlock_bh(&local->sta_bss_lock);
-	return bss;
-}
-#endif
-
-static void ieee80211_rx_bss_free(struct ieee80211_sta_bss *bss)
-{
-	kfree(bss->wpa_ie);
-	kfree(bss->rsn_ie);
-	kfree(bss->wmm_ie);
-	kfree(bss->ht_ie);
-	kfree(bss->ht_add_ie);
-	kfree(bss_mesh_id(bss));
-	kfree(bss_mesh_cfg(bss));
-	kfree(bss);
-}
-
-
-static void ieee80211_rx_bss_put(struct ieee80211_local *local,
-				 struct ieee80211_sta_bss *bss)
-{
-	local_bh_disable();
-	if (!atomic_dec_and_lock(&bss->users, &local->sta_bss_lock)) {
-		local_bh_enable();
-		return;
-	}
-
-	__ieee80211_rx_bss_hash_del(local, bss);
-	list_del(&bss->list);
-	spin_unlock_bh(&local->sta_bss_lock);
-	ieee80211_rx_bss_free(bss);
-}
-
-
-void ieee80211_rx_bss_list_init(struct ieee80211_local *local)
-{
-	spin_lock_init(&local->sta_bss_lock);
-	INIT_LIST_HEAD(&local->sta_bss_list);
-}
-
-
-void ieee80211_rx_bss_list_deinit(struct ieee80211_local *local)
-{
-	struct ieee80211_sta_bss *bss, *tmp;
-
-	list_for_each_entry_safe(bss, tmp, &local->sta_bss_list, list)
-		ieee80211_rx_bss_put(local, bss);
+	ieee80211_associated(sdata, ifsta);
 }
 
 
-static int ieee80211_sta_join_ibss(struct net_device *dev,
+static int ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
 				   struct ieee80211_if_sta *ifsta,
-				   struct ieee80211_sta_bss *bss)
+				   struct ieee80211_bss *bss)
 {
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+	struct ieee80211_local *local = sdata->local;
 	int res, rates, i, j;
 	struct sk_buff *skb;
 	struct ieee80211_mgmt *mgmt;
 	u8 *pos;
-	struct ieee80211_sub_if_data *sdata;
 	struct ieee80211_supported_band *sband;
 	union iwreq_data wrqu;
 
 	sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
 
-	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
 	/* Remove possible STA entries from other IBSS networks. */
 	sta_info_flush_delayed(sdata);
 
@@ -2403,7 +1407,7 @@ static int ieee80211_sta_join_ibss(struct net_device *dev,
 	sdata->drop_unencrypted = bss->capability &
 		WLAN_CAPABILITY_PRIVACY ? 1 : 0;
 
-	res = ieee80211_set_freq(dev, bss->freq);
+	res = ieee80211_set_freq(sdata, bss->freq);
 
 	if (res)
 		return res;
@@ -2416,10 +1420,10 @@ static int ieee80211_sta_join_ibss(struct net_device *dev,
 		mgmt = (struct ieee80211_mgmt *)
 			skb_put(skb, 24 + sizeof(mgmt->u.beacon));
 		memset(mgmt, 0, 24 + sizeof(mgmt->u.beacon));
-		mgmt->frame_control = IEEE80211_FC(IEEE80211_FTYPE_MGMT,
-						   IEEE80211_STYPE_PROBE_RESP);
+		mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
+						  IEEE80211_STYPE_PROBE_RESP);
 		memset(mgmt->da, 0xff, ETH_ALEN);
-		memcpy(mgmt->sa, dev->dev_addr, ETH_ALEN);
+		memcpy(mgmt->sa, sdata->dev->dev_addr, ETH_ALEN);
 		memcpy(mgmt->bssid, ifsta->bssid, ETH_ALEN);
 		mgmt->u.beacon.beacon_int =
 			cpu_to_le16(local->hw.conf.beacon_int);
@@ -2476,108 +1480,38 @@ static int ieee80211_sta_join_ibss(struct net_device *dev,
 	}
 	ifsta->supp_rates_bits[local->hw.conf.channel->band] = rates;
 
-	ieee80211_sta_def_wmm_params(dev, bss, 1);
+	ieee80211_sta_def_wmm_params(sdata, bss);
 
-	ifsta->state = IEEE80211_IBSS_JOINED;
+	ifsta->state = IEEE80211_STA_MLME_IBSS_JOINED;
 	mod_timer(&ifsta->timer, jiffies + IEEE80211_IBSS_MERGE_INTERVAL);
 
+	ieee80211_led_assoc(local, true);
+
 	memset(&wrqu, 0, sizeof(wrqu));
 	memcpy(wrqu.ap_addr.sa_data, bss->bssid, ETH_ALEN);
-	wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
+	wireless_send_event(sdata->dev, SIOCGIWAP, &wrqu, NULL);
 
 	return res;
 }
 
-u64 ieee80211_sta_get_rates(struct ieee80211_local *local,
-			    struct ieee802_11_elems *elems,
-			    enum ieee80211_band band)
-{
-	struct ieee80211_supported_band *sband;
-	struct ieee80211_rate *bitrates;
-	size_t num_rates;
-	u64 supp_rates;
-	int i, j;
-	sband = local->hw.wiphy->bands[band];
-
-	if (!sband) {
-		WARN_ON(1);
-		sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
-	}
-
-	bitrates = sband->bitrates;
-	num_rates = sband->n_bitrates;
-	supp_rates = 0;
-	for (i = 0; i < elems->supp_rates_len +
-		     elems->ext_supp_rates_len; i++) {
-		u8 rate = 0;
-		int own_rate;
-		if (i < elems->supp_rates_len)
-			rate = elems->supp_rates[i];
-		else if (elems->ext_supp_rates)
-			rate = elems->ext_supp_rates
-				[i - elems->supp_rates_len];
-		own_rate = 5 * (rate & 0x7f);
-		for (j = 0; j < num_rates; j++)
-			if (bitrates[j].bitrate == own_rate)
-				supp_rates |= BIT(j);
-	}
-	return supp_rates;
-}
-
-
-static void ieee80211_rx_bss_info(struct net_device *dev,
+static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata,
 				  struct ieee80211_mgmt *mgmt,
 				  size_t len,
 				  struct ieee80211_rx_status *rx_status,
 				  struct ieee802_11_elems *elems,
-				  int beacon)
+				  bool beacon)
 {
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	int freq, clen;
-	struct ieee80211_sta_bss *bss;
+	struct ieee80211_local *local = sdata->local;
+	int freq;
+	struct ieee80211_bss *bss;
 	struct sta_info *sta;
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	u64 beacon_timestamp, rx_timestamp;
 	struct ieee80211_channel *channel;
+	u64 beacon_timestamp, rx_timestamp;
+	u64 supp_rates = 0;
+	enum ieee80211_band band = rx_status->band;
 	DECLARE_MAC_BUF(mac);
 	DECLARE_MAC_BUF(mac2);
 
-	if (!beacon && memcmp(mgmt->da, dev->dev_addr, ETH_ALEN))
-		return; /* ignore ProbeResp to foreign address */
-
-	beacon_timestamp = le64_to_cpu(mgmt->u.beacon.timestamp);
-
-	if (ieee80211_vif_is_mesh(&sdata->vif) && elems->mesh_id &&
-	    elems->mesh_config && mesh_matches_local(elems, dev)) {
-		u64 rates = ieee80211_sta_get_rates(local, elems,
-						rx_status->band);
-
-		mesh_neighbour_update(mgmt->sa, rates, dev,
-				      mesh_peer_accepts_plinks(elems, dev));
-	}
-
-	rcu_read_lock();
-
-	if (sdata->vif.type == IEEE80211_IF_TYPE_IBSS && elems->supp_rates &&
-	    memcmp(mgmt->bssid, sdata->u.sta.bssid, ETH_ALEN) == 0 &&
-	    (sta = sta_info_get(local, mgmt->sa))) {
-		u64 prev_rates;
-		u64 supp_rates = ieee80211_sta_get_rates(local, elems,
-							rx_status->band);
-
-		prev_rates = sta->supp_rates[rx_status->band];
-		sta->supp_rates[rx_status->band] &= supp_rates;
-		if (sta->supp_rates[rx_status->band] == 0) {
-			/* No matching rates - this should not really happen.
-			 * Make sure that at least one rate is marked
-			 * supported to avoid issues with TX rate ctrl. */
-			sta->supp_rates[rx_status->band] =
-				sdata->u.sta.supp_rates_bits[rx_status->band];
-		}
-	}
-
-	rcu_read_unlock();
-
 	if (elems->ds_params && elems->ds_params_len == 1)
 		freq = ieee80211_channel_to_frequency(elems->ds_params[0]);
 	else
@@ -2588,215 +1522,60 @@ static void ieee80211_rx_bss_info(struct net_device *dev,
 	if (!channel || channel->flags & IEEE80211_CHAN_DISABLED)
 		return;
 
-#ifdef CONFIG_MAC80211_MESH
-	if (elems->mesh_config)
-		bss = ieee80211_rx_mesh_bss_get(dev, elems->mesh_id,
-				elems->mesh_id_len, elems->mesh_config, freq);
-	else
-#endif
-		bss = ieee80211_rx_bss_get(dev, mgmt->bssid, freq,
-					   elems->ssid, elems->ssid_len);
-	if (!bss) {
-#ifdef CONFIG_MAC80211_MESH
-		if (elems->mesh_config)
-			bss = ieee80211_rx_mesh_bss_add(dev, elems->mesh_id,
-				elems->mesh_id_len, elems->mesh_config,
-				elems->mesh_config_len, freq);
-		else
-#endif
-			bss = ieee80211_rx_bss_add(dev, mgmt->bssid, freq,
-						  elems->ssid, elems->ssid_len);
-		if (!bss)
-			return;
-	} else {
-#if 0
-		/* TODO: order by RSSI? */
-		spin_lock_bh(&local->sta_bss_lock);
-		list_move_tail(&bss->list, &local->sta_bss_list);
-		spin_unlock_bh(&local->sta_bss_lock);
-#endif
-	}
+	if (sdata->vif.type == NL80211_IFTYPE_ADHOC && elems->supp_rates &&
+	    memcmp(mgmt->bssid, sdata->u.sta.bssid, ETH_ALEN) == 0) {
+		supp_rates = ieee80211_sta_get_rates(local, elems, band);
 
-	/* save the ERP value so that it is available at association time */
-	if (elems->erp_info && elems->erp_info_len >= 1) {
-		bss->erp_value = elems->erp_info[0];
-		bss->has_erp_value = 1;
-	}
+		rcu_read_lock();
 
-	if (elems->ht_cap_elem &&
-	     (!bss->ht_ie || bss->ht_ie_len != elems->ht_cap_elem_len ||
-	     memcmp(bss->ht_ie, elems->ht_cap_elem, elems->ht_cap_elem_len))) {
-		kfree(bss->ht_ie);
-		bss->ht_ie = kmalloc(elems->ht_cap_elem_len + 2, GFP_ATOMIC);
-		if (bss->ht_ie) {
-			memcpy(bss->ht_ie, elems->ht_cap_elem - 2,
-				elems->ht_cap_elem_len + 2);
-			bss->ht_ie_len = elems->ht_cap_elem_len + 2;
-		} else
-			bss->ht_ie_len = 0;
-	} else if (!elems->ht_cap_elem && bss->ht_ie) {
-		kfree(bss->ht_ie);
-		bss->ht_ie = NULL;
-		bss->ht_ie_len = 0;
-	}
+		sta = sta_info_get(local, mgmt->sa);
+		if (sta) {
+			u64 prev_rates;
 
-	if (elems->ht_info_elem &&
-	     (!bss->ht_add_ie ||
-	     bss->ht_add_ie_len != elems->ht_info_elem_len ||
-	     memcmp(bss->ht_add_ie, elems->ht_info_elem,
-			elems->ht_info_elem_len))) {
-		kfree(bss->ht_add_ie);
-		bss->ht_add_ie =
-			kmalloc(elems->ht_info_elem_len + 2, GFP_ATOMIC);
-		if (bss->ht_add_ie) {
-			memcpy(bss->ht_add_ie, elems->ht_info_elem - 2,
-				elems->ht_info_elem_len + 2);
-			bss->ht_add_ie_len = elems->ht_info_elem_len + 2;
-		} else
-			bss->ht_add_ie_len = 0;
-	} else if (!elems->ht_info_elem && bss->ht_add_ie) {
-		kfree(bss->ht_add_ie);
-		bss->ht_add_ie = NULL;
-		bss->ht_add_ie_len = 0;
-	}
-
-	bss->beacon_int = le16_to_cpu(mgmt->u.beacon.beacon_int);
-	bss->capability = le16_to_cpu(mgmt->u.beacon.capab_info);
+			prev_rates = sta->sta.supp_rates[band];
+			/* make sure mandatory rates are always added */
+			sta->sta.supp_rates[band] = supp_rates |
+				ieee80211_mandatory_rates(local, band);
 
-	if (elems->tim) {
-		struct ieee80211_tim_ie *tim_ie =
-			(struct ieee80211_tim_ie *)elems->tim;
-		bss->dtim_period = tim_ie->dtim_period;
-	}
+#ifdef CONFIG_MAC80211_IBSS_DEBUG
+			if (sta->sta.supp_rates[band] != prev_rates)
+				printk(KERN_DEBUG "%s: updated supp_rates set "
+				    "for %s based on beacon info (0x%llx | "
+				    "0x%llx -> 0x%llx)\n",
+				    sdata->dev->name,
+				    print_mac(mac, sta->sta.addr),
+				    (unsigned long long) prev_rates,
+				    (unsigned long long) supp_rates,
+				    (unsigned long long) sta->sta.supp_rates[band]);
+#endif
+		} else {
+			ieee80211_ibss_add_sta(sdata, NULL, mgmt->bssid,
+					       mgmt->sa, supp_rates);
+		}
 
-	/* set default value for buggy APs */
-	if (!elems->tim || bss->dtim_period == 0)
-		bss->dtim_period = 1;
-
-	bss->supp_rates_len = 0;
-	if (elems->supp_rates) {
-		clen = IEEE80211_MAX_SUPP_RATES - bss->supp_rates_len;
-		if (clen > elems->supp_rates_len)
-			clen = elems->supp_rates_len;
-		memcpy(&bss->supp_rates[bss->supp_rates_len], elems->supp_rates,
-		       clen);
-		bss->supp_rates_len += clen;
-	}
-	if (elems->ext_supp_rates) {
-		clen = IEEE80211_MAX_SUPP_RATES - bss->supp_rates_len;
-		if (clen > elems->ext_supp_rates_len)
-			clen = elems->ext_supp_rates_len;
-		memcpy(&bss->supp_rates[bss->supp_rates_len],
-		       elems->ext_supp_rates, clen);
-		bss->supp_rates_len += clen;
+		rcu_read_unlock();
 	}
 
-	bss->band = rx_status->band;
+	bss = ieee80211_bss_info_update(local, rx_status, mgmt, len, elems,
+					freq, beacon);
+	if (!bss)
+		return;
 
-	bss->timestamp = beacon_timestamp;
-	bss->last_update = jiffies;
-	bss->signal = rx_status->signal;
-	bss->noise = rx_status->noise;
-	bss->qual = rx_status->qual;
-	if (!beacon && !bss->probe_resp)
-		bss->probe_resp = true;
+	/* was just updated in ieee80211_bss_info_update */
+	beacon_timestamp = bss->timestamp;
 
 	/*
 	 * In STA mode, the remaining parameters should not be overridden
 	 * by beacons because they're not necessarily accurate there.
 	 */
-	if (sdata->vif.type != IEEE80211_IF_TYPE_IBSS &&
-	    bss->probe_resp && beacon) {
+	if (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
+	    bss->last_probe_resp && beacon) {
 		ieee80211_rx_bss_put(local, bss);
 		return;
 	}
 
-	if (elems->wpa &&
-	    (!bss->wpa_ie || bss->wpa_ie_len != elems->wpa_len ||
-	     memcmp(bss->wpa_ie, elems->wpa, elems->wpa_len))) {
-		kfree(bss->wpa_ie);
-		bss->wpa_ie = kmalloc(elems->wpa_len + 2, GFP_ATOMIC);
-		if (bss->wpa_ie) {
-			memcpy(bss->wpa_ie, elems->wpa - 2, elems->wpa_len + 2);
-			bss->wpa_ie_len = elems->wpa_len + 2;
-		} else
-			bss->wpa_ie_len = 0;
-	} else if (!elems->wpa && bss->wpa_ie) {
-		kfree(bss->wpa_ie);
-		bss->wpa_ie = NULL;
-		bss->wpa_ie_len = 0;
-	}
-
-	if (elems->rsn &&
-	    (!bss->rsn_ie || bss->rsn_ie_len != elems->rsn_len ||
-	     memcmp(bss->rsn_ie, elems->rsn, elems->rsn_len))) {
-		kfree(bss->rsn_ie);
-		bss->rsn_ie = kmalloc(elems->rsn_len + 2, GFP_ATOMIC);
-		if (bss->rsn_ie) {
-			memcpy(bss->rsn_ie, elems->rsn - 2, elems->rsn_len + 2);
-			bss->rsn_ie_len = elems->rsn_len + 2;
-		} else
-			bss->rsn_ie_len = 0;
-	} else if (!elems->rsn && bss->rsn_ie) {
-		kfree(bss->rsn_ie);
-		bss->rsn_ie = NULL;
-		bss->rsn_ie_len = 0;
-	}
-
-	/*
-	 * Cf.
-	 * http://www.wipo.int/pctdb/en/wo.jsp?wo=2007047181&IA=WO2007047181&DISPLAY=DESC
-	 *
-	 * quoting:
-	 *
-	 * In particular, "Wi-Fi CERTIFIED for WMM - Support for Multimedia
-	 * Applications with Quality of Service in Wi-Fi Networks," Wi- Fi
-	 * Alliance (September 1, 2004) is incorporated by reference herein.
-	 * The inclusion of the WMM Parameters in probe responses and
-	 * association responses is mandatory for WMM enabled networks. The
-	 * inclusion of the WMM Parameters in beacons, however, is optional.
-	 */
-
-	if (elems->wmm_param &&
-	    (!bss->wmm_ie || bss->wmm_ie_len != elems->wmm_param_len ||
-	     memcmp(bss->wmm_ie, elems->wmm_param, elems->wmm_param_len))) {
-		kfree(bss->wmm_ie);
-		bss->wmm_ie = kmalloc(elems->wmm_param_len + 2, GFP_ATOMIC);
-		if (bss->wmm_ie) {
-			memcpy(bss->wmm_ie, elems->wmm_param - 2,
-			       elems->wmm_param_len + 2);
-			bss->wmm_ie_len = elems->wmm_param_len + 2;
-		} else
-			bss->wmm_ie_len = 0;
-	} else if (elems->wmm_info &&
-		    (!bss->wmm_ie || bss->wmm_ie_len != elems->wmm_info_len ||
-		     memcmp(bss->wmm_ie, elems->wmm_info,
-						elems->wmm_info_len))) {
-		 /* As for certain AP's Fifth bit is not set in WMM IE in
-		  * beacon frames.So while parsing the beacon frame the
-		  * wmm_info structure is used instead of wmm_param.
-		  * wmm_info structure was never used to set bss->wmm_ie.
-		  * This code fixes this problem by copying the WME
-		  * information from wmm_info to bss->wmm_ie and enabling
-		  * n-band association.
-		  */
-		kfree(bss->wmm_ie);
-		bss->wmm_ie = kmalloc(elems->wmm_info_len + 2, GFP_ATOMIC);
-		if (bss->wmm_ie) {
-			memcpy(bss->wmm_ie, elems->wmm_info - 2,
-			       elems->wmm_info_len + 2);
-			bss->wmm_ie_len = elems->wmm_info_len + 2;
-		} else
-			bss->wmm_ie_len = 0;
-	} else if (!elems->wmm_param && !elems->wmm_info && bss->wmm_ie) {
-		kfree(bss->wmm_ie);
-		bss->wmm_ie = NULL;
-		bss->wmm_ie_len = 0;
-	}
-
 	/* check if we need to merge IBSS */
-	if (sdata->vif.type == IEEE80211_IF_TYPE_IBSS && beacon &&
-	    !local->sta_sw_scanning && !local->sta_hw_scanning &&
+	if (sdata->vif.type == NL80211_IFTYPE_ADHOC && beacon &&
 	    bss->capability & WLAN_CAPABILITY_IBSS &&
 	    bss->freq == local->oper_channel->center_freq &&
 	    elems->ssid_len == sdata->u.sta.ssid_len &&
@@ -2818,7 +1597,7 @@ static void ieee80211_rx_bss_info(struct net_device *dev,
 			 * e.g: at 1 MBit that means mactime is 192 usec earlier
 			 * (=24 bytes * 8 usecs/byte) than the beacon timestamp.
 			 */
-			int rate = local->hw.wiphy->bands[rx_status->band]->
+			int rate = local->hw.wiphy->bands[band]->
 					bitrates[rx_status->rate_idx].bitrate;
 			rx_timestamp = rx_status->mactime + (24 * 8 * 10 / rate);
 		} else if (local && local->ops && local->ops->get_tsf)
@@ -2841,12 +1620,12 @@ static void ieee80211_rx_bss_info(struct net_device *dev,
 #ifdef CONFIG_MAC80211_IBSS_DEBUG
 			printk(KERN_DEBUG "%s: beacon TSF higher than "
 			       "local TSF - IBSS merge with BSSID %s\n",
-			       dev->name, print_mac(mac, mgmt->bssid));
+			       sdata->dev->name, print_mac(mac, mgmt->bssid));
 #endif
-			ieee80211_sta_join_ibss(dev, &sdata->u.sta, bss);
-			ieee80211_ibss_add_sta(dev, NULL,
+			ieee80211_sta_join_ibss(sdata, &sdata->u.sta, bss);
+			ieee80211_ibss_add_sta(sdata, NULL,
 					       mgmt->bssid, mgmt->sa,
-					       BIT(rx_status->rate_idx));
+					       supp_rates);
 		}
 	}
 
@@ -2854,13 +1633,17 @@ static void ieee80211_rx_bss_info(struct net_device *dev,
 }
 
 
-static void ieee80211_rx_mgmt_probe_resp(struct net_device *dev,
+static void ieee80211_rx_mgmt_probe_resp(struct ieee80211_sub_if_data *sdata,
 					 struct ieee80211_mgmt *mgmt,
 					 size_t len,
 					 struct ieee80211_rx_status *rx_status)
 {
 	size_t baselen;
 	struct ieee802_11_elems elems;
+	struct ieee80211_if_sta *ifsta = &sdata->u.sta;
+
+	if (memcmp(mgmt->da, sdata->dev->dev_addr, ETH_ALEN))
+		return; /* ignore ProbeResp to foreign address */
 
 	baselen = (u8 *) mgmt->u.probe_resp.variable - (u8 *) mgmt;
 	if (baselen > len)
@@ -2869,20 +1652,27 @@ static void ieee80211_rx_mgmt_probe_resp(struct net_device *dev,
 	ieee802_11_parse_elems(mgmt->u.probe_resp.variable, len - baselen,
 				&elems);
 
-	ieee80211_rx_bss_info(dev, mgmt, len, rx_status, &elems, 0);
+	ieee80211_rx_bss_info(sdata, mgmt, len, rx_status, &elems, false);
+
+	/* direct probe may be part of the association flow */
+	if (test_and_clear_bit(IEEE80211_STA_REQ_DIRECT_PROBE,
+							&ifsta->request)) {
+		printk(KERN_DEBUG "%s direct probe responded\n",
+		       sdata->dev->name);
+		ieee80211_authenticate(sdata, ifsta);
+	}
 }
 
 
-static void ieee80211_rx_mgmt_beacon(struct net_device *dev,
+static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
 				     struct ieee80211_mgmt *mgmt,
 				     size_t len,
 				     struct ieee80211_rx_status *rx_status)
 {
-	struct ieee80211_sub_if_data *sdata;
 	struct ieee80211_if_sta *ifsta;
 	size_t baselen;
 	struct ieee802_11_elems elems;
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+	struct ieee80211_local *local = sdata->local;
 	struct ieee80211_conf *conf = &local->hw.conf;
 	u32 changed = 0;
 
@@ -2893,10 +1683,9 @@ static void ieee80211_rx_mgmt_beacon(struct net_device *dev,
 
 	ieee802_11_parse_elems(mgmt->u.beacon.variable, len - baselen, &elems);
 
-	ieee80211_rx_bss_info(dev, mgmt, len, rx_status, &elems, 1);
+	ieee80211_rx_bss_info(sdata, mgmt, len, rx_status, &elems, true);
 
-	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	if (sdata->vif.type != IEEE80211_IF_TYPE_STA)
+	if (sdata->vif.type != NL80211_IFTYPE_STATION)
 		return;
 	ifsta = &sdata->u.sta;
 
@@ -2904,15 +1693,9 @@ static void ieee80211_rx_mgmt_beacon(struct net_device *dev,
 	    memcmp(ifsta->bssid, mgmt->bssid, ETH_ALEN) != 0)
 		return;
 
-	ieee80211_sta_wmm_params(dev, ifsta, elems.wmm_param,
+	ieee80211_sta_wmm_params(local, ifsta, elems.wmm_param,
 				 elems.wmm_param_len);
 
-	/* Do not send changes to driver if we are scanning. This removes
-	 * requirement that driver's bss_info_changed function needs to be
-	 * atomic. */
-	if (local->sta_sw_scanning || local->sta_hw_scanning)
-		return;
-
 	if (elems.erp_info && elems.erp_info_len >= 1)
 		changed |= ieee80211_handle_erp_ie(sdata, elems.erp_info[0]);
 	else {
@@ -2936,14 +1719,13 @@ static void ieee80211_rx_mgmt_beacon(struct net_device *dev,
 }
 
 
-static void ieee80211_rx_mgmt_probe_req(struct net_device *dev,
+static void ieee80211_rx_mgmt_probe_req(struct ieee80211_sub_if_data *sdata,
 					struct ieee80211_if_sta *ifsta,
 					struct ieee80211_mgmt *mgmt,
 					size_t len,
 					struct ieee80211_rx_status *rx_status)
 {
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+	struct ieee80211_local *local = sdata->local;
 	int tx_last_beacon;
 	struct sk_buff *skb;
 	struct ieee80211_mgmt *resp;
@@ -2954,8 +1736,8 @@ static void ieee80211_rx_mgmt_probe_req(struct net_device *dev,
 	DECLARE_MAC_BUF(mac3);
 #endif
 
-	if (sdata->vif.type != IEEE80211_IF_TYPE_IBSS ||
-	    ifsta->state != IEEE80211_IBSS_JOINED ||
+	if (sdata->vif.type != NL80211_IFTYPE_ADHOC ||
+	    ifsta->state != IEEE80211_STA_MLME_IBSS_JOINED ||
 	    len < 24 + 2 || !ifsta->probe_resp)
 		return;
 
@@ -2967,7 +1749,7 @@ static void ieee80211_rx_mgmt_probe_req(struct net_device *dev,
 #ifdef CONFIG_MAC80211_IBSS_DEBUG
 	printk(KERN_DEBUG "%s: RX ProbeReq SA=%s DA=%s BSSID="
 	       "%s (tx_last_beacon=%d)\n",
-	       dev->name, print_mac(mac, mgmt->sa), print_mac(mac2, mgmt->da),
+	       sdata->dev->name, print_mac(mac, mgmt->sa), print_mac(mac2, mgmt->da),
 	       print_mac(mac3, mgmt->bssid), tx_last_beacon);
 #endif /* CONFIG_MAC80211_IBSS_DEBUG */
 
@@ -2985,7 +1767,7 @@ static void ieee80211_rx_mgmt_probe_req(struct net_device *dev,
 #ifdef CONFIG_MAC80211_IBSS_DEBUG
 		printk(KERN_DEBUG "%s: Invalid SSID IE in ProbeReq "
 		       "from %s\n",
-		       dev->name, print_mac(mac, mgmt->sa));
+		       sdata->dev->name, print_mac(mac, mgmt->sa));
 #endif
 		return;
 	}
@@ -3005,74 +1787,15 @@ static void ieee80211_rx_mgmt_probe_req(struct net_device *dev,
 	memcpy(resp->da, mgmt->sa, ETH_ALEN);
 #ifdef CONFIG_MAC80211_IBSS_DEBUG
 	printk(KERN_DEBUG "%s: Sending ProbeResp to %s\n",
-	       dev->name, print_mac(mac, resp->da));
+	       sdata->dev->name, print_mac(mac, resp->da));
 #endif /* CONFIG_MAC80211_IBSS_DEBUG */
-	ieee80211_sta_tx(dev, skb, 0);
+	ieee80211_tx_skb(sdata, skb, 0);
 }
 
-static void ieee80211_rx_mgmt_action(struct net_device *dev,
-				     struct ieee80211_if_sta *ifsta,
-				     struct ieee80211_mgmt *mgmt,
-				     size_t len,
-				     struct ieee80211_rx_status *rx_status)
-{
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-
-	if (len < IEEE80211_MIN_ACTION_SIZE)
-		return;
-
-	switch (mgmt->u.action.category) {
-	case WLAN_CATEGORY_SPECTRUM_MGMT:
-		if (local->hw.conf.channel->band != IEEE80211_BAND_5GHZ)
-			break;
-		switch (mgmt->u.action.u.chan_switch.action_code) {
-		case WLAN_ACTION_SPCT_MSR_REQ:
-			if (len < (IEEE80211_MIN_ACTION_SIZE +
-				   sizeof(mgmt->u.action.u.measurement)))
-				break;
-			ieee80211_sta_process_measurement_req(dev, mgmt, len);
-			break;
-		}
-		break;
-	case WLAN_CATEGORY_BACK:
-		switch (mgmt->u.action.u.addba_req.action_code) {
-		case WLAN_ACTION_ADDBA_REQ:
-			if (len < (IEEE80211_MIN_ACTION_SIZE +
-				   sizeof(mgmt->u.action.u.addba_req)))
-				break;
-			ieee80211_sta_process_addba_request(dev, mgmt, len);
-			break;
-		case WLAN_ACTION_ADDBA_RESP:
-			if (len < (IEEE80211_MIN_ACTION_SIZE +
-				   sizeof(mgmt->u.action.u.addba_resp)))
-				break;
-			ieee80211_sta_process_addba_resp(dev, mgmt, len);
-			break;
-		case WLAN_ACTION_DELBA:
-			if (len < (IEEE80211_MIN_ACTION_SIZE +
-				   sizeof(mgmt->u.action.u.delba)))
-				break;
-			ieee80211_sta_process_delba(dev, mgmt, len);
-			break;
-		}
-		break;
-	case PLINK_CATEGORY:
-		if (ieee80211_vif_is_mesh(&sdata->vif))
-			mesh_rx_plink_frame(dev, mgmt, len, rx_status);
-		break;
-	case MESH_PATH_SEL_CATEGORY:
-		if (ieee80211_vif_is_mesh(&sdata->vif))
-			mesh_rx_path_sel_frame(dev, mgmt, len);
-		break;
-	}
-}
-
-void ieee80211_sta_rx_mgmt(struct net_device *dev, struct sk_buff *skb,
+void ieee80211_sta_rx_mgmt(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb,
 			   struct ieee80211_rx_status *rx_status)
 {
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct ieee80211_sub_if_data *sdata;
+	struct ieee80211_local *local = sdata->local;
 	struct ieee80211_if_sta *ifsta;
 	struct ieee80211_mgmt *mgmt;
 	u16 fc;
@@ -3080,7 +1803,6 @@ void ieee80211_sta_rx_mgmt(struct net_device *dev, struct sk_buff *skb,
 	if (skb->len < 24)
 		goto fail;
 
-	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 	ifsta = &sdata->u.sta;
 
 	mgmt = (struct ieee80211_mgmt *) skb->data;
@@ -3090,7 +1812,6 @@ void ieee80211_sta_rx_mgmt(struct net_device *dev, struct sk_buff *skb,
 	case IEEE80211_STYPE_PROBE_REQ:
 	case IEEE80211_STYPE_PROBE_RESP:
 	case IEEE80211_STYPE_BEACON:
-	case IEEE80211_STYPE_ACTION:
 		memcpy(skb->cb, rx_status, sizeof(*rx_status));
 	case IEEE80211_STYPE_AUTH:
 	case IEEE80211_STYPE_ASSOC_RESP:
@@ -3106,17 +1827,14 @@ void ieee80211_sta_rx_mgmt(struct net_device *dev, struct sk_buff *skb,
 	kfree_skb(skb);
 }
 
-
-static void ieee80211_sta_rx_queued_mgmt(struct net_device *dev,
+static void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
 					 struct sk_buff *skb)
 {
 	struct ieee80211_rx_status *rx_status;
-	struct ieee80211_sub_if_data *sdata;
 	struct ieee80211_if_sta *ifsta;
 	struct ieee80211_mgmt *mgmt;
 	u16 fc;
 
-	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 	ifsta = &sdata->u.sta;
 
 	rx_status = (struct ieee80211_rx_status *) skb->cb;
@@ -3125,17 +1843,17 @@ static void ieee80211_sta_rx_queued_mgmt(struct net_device *dev,
 
 	switch (fc & IEEE80211_FCTL_STYPE) {
 	case IEEE80211_STYPE_PROBE_REQ:
-		ieee80211_rx_mgmt_probe_req(dev, ifsta, mgmt, skb->len,
+		ieee80211_rx_mgmt_probe_req(sdata, ifsta, mgmt, skb->len,
 					    rx_status);
 		break;
 	case IEEE80211_STYPE_PROBE_RESP:
-		ieee80211_rx_mgmt_probe_resp(dev, mgmt, skb->len, rx_status);
+		ieee80211_rx_mgmt_probe_resp(sdata, mgmt, skb->len, rx_status);
 		break;
 	case IEEE80211_STYPE_BEACON:
-		ieee80211_rx_mgmt_beacon(dev, mgmt, skb->len, rx_status);
+		ieee80211_rx_mgmt_beacon(sdata, mgmt, skb->len, rx_status);
 		break;
 	case IEEE80211_STYPE_AUTH:
-		ieee80211_rx_mgmt_auth(dev, ifsta, mgmt, skb->len);
+		ieee80211_rx_mgmt_auth(sdata, ifsta, mgmt, skb->len);
 		break;
 	case IEEE80211_STYPE_ASSOC_RESP:
 		ieee80211_rx_mgmt_assoc_resp(sdata, ifsta, mgmt, skb->len, 0);
@@ -3144,13 +1862,10 @@ static void ieee80211_sta_rx_queued_mgmt(struct net_device *dev,
 		ieee80211_rx_mgmt_assoc_resp(sdata, ifsta, mgmt, skb->len, 1);
 		break;
 	case IEEE80211_STYPE_DEAUTH:
-		ieee80211_rx_mgmt_deauth(dev, ifsta, mgmt, skb->len);
+		ieee80211_rx_mgmt_deauth(sdata, ifsta, mgmt, skb->len);
 		break;
 	case IEEE80211_STYPE_DISASSOC:
-		ieee80211_rx_mgmt_disassoc(dev, ifsta, mgmt, skb->len);
-		break;
-	case IEEE80211_STYPE_ACTION:
-		ieee80211_rx_mgmt_action(dev, ifsta, mgmt, skb->len, rx_status);
+		ieee80211_rx_mgmt_disassoc(sdata, ifsta, mgmt, skb->len);
 		break;
 	}
 
@@ -3158,47 +1873,11 @@ static void ieee80211_sta_rx_queued_mgmt(struct net_device *dev,
 }
 
 
-ieee80211_rx_result
-ieee80211_sta_rx_scan(struct net_device *dev, struct sk_buff *skb,
-		      struct ieee80211_rx_status *rx_status)
-{
-	struct ieee80211_mgmt *mgmt;
-	__le16 fc;
-
-	if (skb->len < 2)
-		return RX_DROP_UNUSABLE;
-
-	mgmt = (struct ieee80211_mgmt *) skb->data;
-	fc = mgmt->frame_control;
-
-	if (ieee80211_is_ctl(fc))
-		return RX_CONTINUE;
-
-	if (skb->len < 24)
-		return RX_DROP_MONITOR;
-
-	if (ieee80211_is_probe_resp(fc)) {
-		ieee80211_rx_mgmt_probe_resp(dev, mgmt, skb->len, rx_status);
-		dev_kfree_skb(skb);
-		return RX_QUEUED;
-	}
-
-	if (ieee80211_is_beacon(fc)) {
-		ieee80211_rx_mgmt_beacon(dev, mgmt, skb->len, rx_status);
-		dev_kfree_skb(skb);
-		return RX_QUEUED;
-	}
-
-	return RX_CONTINUE;
-}
-
-
-static int ieee80211_sta_active_ibss(struct net_device *dev)
+static int ieee80211_sta_active_ibss(struct ieee80211_sub_if_data *sdata)
 {
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+	struct ieee80211_local *local = sdata->local;
 	int active = 0;
 	struct sta_info *sta;
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 
 	rcu_read_lock();
 
@@ -3217,179 +1896,36 @@ static int ieee80211_sta_active_ibss(struct net_device *dev)
 }
 
 
-static void ieee80211_sta_expire(struct net_device *dev, unsigned long exp_time)
-{
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct sta_info *sta, *tmp;
-	LIST_HEAD(tmp_list);
-	DECLARE_MAC_BUF(mac);
-	unsigned long flags;
-
-	spin_lock_irqsave(&local->sta_lock, flags);
-	list_for_each_entry_safe(sta, tmp, &local->sta_list, list)
-		if (time_after(jiffies, sta->last_rx + exp_time)) {
-#ifdef CONFIG_MAC80211_IBSS_DEBUG
-			printk(KERN_DEBUG "%s: expiring inactive STA %s\n",
-			       dev->name, print_mac(mac, sta->addr));
-#endif
-			__sta_info_unlink(&sta);
-			if (sta)
-				list_add(&sta->list, &tmp_list);
-		}
-	spin_unlock_irqrestore(&local->sta_lock, flags);
-
-	list_for_each_entry_safe(sta, tmp, &tmp_list, list)
-		sta_info_destroy(sta);
-}
-
-
-static void ieee80211_sta_merge_ibss(struct net_device *dev,
+static void ieee80211_sta_merge_ibss(struct ieee80211_sub_if_data *sdata,
 				     struct ieee80211_if_sta *ifsta)
 {
 	mod_timer(&ifsta->timer, jiffies + IEEE80211_IBSS_MERGE_INTERVAL);
 
-	ieee80211_sta_expire(dev, IEEE80211_IBSS_INACTIVITY_LIMIT);
-	if (ieee80211_sta_active_ibss(dev))
+	ieee80211_sta_expire(sdata, IEEE80211_IBSS_INACTIVITY_LIMIT);
+	if (ieee80211_sta_active_ibss(sdata))
 		return;
 
 	printk(KERN_DEBUG "%s: No active IBSS STAs - trying to scan for other "
-	       "IBSS networks with same SSID (merge)\n", dev->name);
-	ieee80211_sta_req_scan(dev, ifsta->ssid, ifsta->ssid_len);
+	       "IBSS networks with same SSID (merge)\n", sdata->dev->name);
+	ieee80211_request_scan(sdata, ifsta->ssid, ifsta->ssid_len);
 }
 
 
-#ifdef CONFIG_MAC80211_MESH
-static void ieee80211_mesh_housekeeping(struct net_device *dev,
-			   struct ieee80211_if_sta *ifsta)
-{
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	bool free_plinks;
-
-	ieee80211_sta_expire(dev, IEEE80211_MESH_PEER_INACTIVITY_LIMIT);
-	mesh_path_expire(dev);
-
-	free_plinks = mesh_plink_availables(sdata);
-	if (free_plinks != sdata->u.sta.accepting_plinks)
-		ieee80211_if_config(sdata, IEEE80211_IFCC_BEACON);
-
-	mod_timer(&ifsta->timer, jiffies +
-			IEEE80211_MESH_HOUSEKEEPING_INTERVAL);
-}
-
-
-void ieee80211_start_mesh(struct net_device *dev)
-{
-	struct ieee80211_if_sta *ifsta;
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	ifsta = &sdata->u.sta;
-	ifsta->state = IEEE80211_MESH_UP;
-	ieee80211_sta_timer((unsigned long)sdata);
-	ieee80211_if_config(sdata, IEEE80211_IFCC_BEACON);
-}
-#endif
-
-
-void ieee80211_sta_timer(unsigned long data)
+static void ieee80211_sta_timer(unsigned long data)
 {
 	struct ieee80211_sub_if_data *sdata =
 		(struct ieee80211_sub_if_data *) data;
 	struct ieee80211_if_sta *ifsta = &sdata->u.sta;
-	struct ieee80211_local *local = wdev_priv(&sdata->wdev);
+	struct ieee80211_local *local = sdata->local;
 
 	set_bit(IEEE80211_STA_REQ_RUN, &ifsta->request);
 	queue_work(local->hw.workqueue, &ifsta->work);
 }
 
-void ieee80211_sta_work(struct work_struct *work)
-{
-	struct ieee80211_sub_if_data *sdata =
-		container_of(work, struct ieee80211_sub_if_data, u.sta.work);
-	struct net_device *dev = sdata->dev;
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct ieee80211_if_sta *ifsta;
-	struct sk_buff *skb;
-
-	if (!netif_running(dev))
-		return;
-
-	if (local->sta_sw_scanning || local->sta_hw_scanning)
-		return;
-
-	if (WARN_ON(sdata->vif.type != IEEE80211_IF_TYPE_STA &&
-		    sdata->vif.type != IEEE80211_IF_TYPE_IBSS &&
-		    sdata->vif.type != IEEE80211_IF_TYPE_MESH_POINT))
-		return;
-	ifsta = &sdata->u.sta;
-
-	while ((skb = skb_dequeue(&ifsta->skb_queue)))
-		ieee80211_sta_rx_queued_mgmt(dev, skb);
-
-#ifdef CONFIG_MAC80211_MESH
-	if (ifsta->preq_queue_len &&
-	    time_after(jiffies,
-		       ifsta->last_preq + msecs_to_jiffies(ifsta->mshcfg.dot11MeshHWMPpreqMinInterval)))
-		mesh_path_start_discovery(dev);
-#endif
-
-	if (ifsta->state != IEEE80211_AUTHENTICATE &&
-	    ifsta->state != IEEE80211_ASSOCIATE &&
-	    test_and_clear_bit(IEEE80211_STA_REQ_SCAN, &ifsta->request)) {
-		if (ifsta->scan_ssid_len)
-			ieee80211_sta_start_scan(dev, ifsta->scan_ssid, ifsta->scan_ssid_len);
-		else
-			ieee80211_sta_start_scan(dev, NULL, 0);
-		return;
-	}
-
-	if (test_and_clear_bit(IEEE80211_STA_REQ_AUTH, &ifsta->request)) {
-		if (ieee80211_sta_config_auth(dev, ifsta))
-			return;
-		clear_bit(IEEE80211_STA_REQ_RUN, &ifsta->request);
-	} else if (!test_and_clear_bit(IEEE80211_STA_REQ_RUN, &ifsta->request))
-		return;
-
-	switch (ifsta->state) {
-	case IEEE80211_DISABLED:
-		break;
-	case IEEE80211_AUTHENTICATE:
-		ieee80211_authenticate(dev, ifsta);
-		break;
-	case IEEE80211_ASSOCIATE:
-		ieee80211_associate(dev, ifsta);
-		break;
-	case IEEE80211_ASSOCIATED:
-		ieee80211_associated(dev, ifsta);
-		break;
-	case IEEE80211_IBSS_SEARCH:
-		ieee80211_sta_find_ibss(dev, ifsta);
-		break;
-	case IEEE80211_IBSS_JOINED:
-		ieee80211_sta_merge_ibss(dev, ifsta);
-		break;
-#ifdef CONFIG_MAC80211_MESH
-	case IEEE80211_MESH_UP:
-		ieee80211_mesh_housekeeping(dev, ifsta);
-		break;
-#endif
-	default:
-		WARN_ON(1);
-		break;
-	}
-
-	if (ieee80211_privacy_mismatch(dev, ifsta)) {
-		printk(KERN_DEBUG "%s: privacy configuration mismatch and "
-		       "mixed-cell disabled - disassociate\n", dev->name);
-
-		ieee80211_send_disassoc(dev, ifsta, WLAN_REASON_UNSPECIFIED);
-		ieee80211_set_disassoc(dev, ifsta, 0);
-	}
-}
-
-
-static void ieee80211_sta_reset_auth(struct net_device *dev,
+static void ieee80211_sta_reset_auth(struct ieee80211_sub_if_data *sdata,
 				     struct ieee80211_if_sta *ifsta)
 {
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+	struct ieee80211_local *local = sdata->local;
 
 	if (local->ops->reset_tsf) {
 		/* Reset own TSF to allow time synchronization work. */
@@ -3409,29 +1945,15 @@ static void ieee80211_sta_reset_auth(struct net_device *dev,
 		ifsta->auth_alg = WLAN_AUTH_OPEN;
 	ifsta->auth_transaction = -1;
 	ifsta->flags &= ~IEEE80211_STA_ASSOCIATED;
-	ifsta->auth_tries = ifsta->assoc_tries = 0;
-	netif_carrier_off(dev);
+	ifsta->assoc_scan_tries = 0;
+	ifsta->direct_probe_tries = 0;
+	ifsta->auth_tries = 0;
+	ifsta->assoc_tries = 0;
+	netif_tx_stop_all_queues(sdata->dev);
+	netif_carrier_off(sdata->dev);
 }
 
 
-void ieee80211_sta_req_auth(struct net_device *dev,
-			    struct ieee80211_if_sta *ifsta)
-{
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
-	if (sdata->vif.type != IEEE80211_IF_TYPE_STA)
-		return;
-
-	if ((ifsta->flags & (IEEE80211_STA_BSSID_SET |
-				IEEE80211_STA_AUTO_BSSID_SEL)) &&
-	    (ifsta->flags & (IEEE80211_STA_SSID_SET |
-				IEEE80211_STA_AUTO_SSID_SEL))) {
-		set_bit(IEEE80211_STA_REQ_AUTH, &ifsta->request);
-		queue_work(local->hw.workqueue, &ifsta->work);
-	}
-}
-
 static int ieee80211_sta_match_ssid(struct ieee80211_if_sta *ifsta,
 				    const char *ssid, int ssid_len)
 {
@@ -3462,81 +1984,11 @@ static int ieee80211_sta_match_ssid(struct ieee80211_if_sta *ifsta,
 	return 0;
 }
 
-static int ieee80211_sta_config_auth(struct net_device *dev,
-				     struct ieee80211_if_sta *ifsta)
-{
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	struct ieee80211_sta_bss *bss, *selected = NULL;
-	int top_rssi = 0, freq;
-
-	spin_lock_bh(&local->sta_bss_lock);
-	freq = local->oper_channel->center_freq;
-	list_for_each_entry(bss, &local->sta_bss_list, list) {
-		if (!(bss->capability & WLAN_CAPABILITY_ESS))
-			continue;
-
-		if ((ifsta->flags & (IEEE80211_STA_AUTO_SSID_SEL |
-			IEEE80211_STA_AUTO_BSSID_SEL |
-			IEEE80211_STA_AUTO_CHANNEL_SEL)) &&
-		    (!!(bss->capability & WLAN_CAPABILITY_PRIVACY) ^
-		     !!sdata->default_key))
-			continue;
-
-		if (!(ifsta->flags & IEEE80211_STA_AUTO_CHANNEL_SEL) &&
-		    bss->freq != freq)
-			continue;
-
-		if (!(ifsta->flags & IEEE80211_STA_AUTO_BSSID_SEL) &&
-		    memcmp(bss->bssid, ifsta->bssid, ETH_ALEN))
-			continue;
-
-		if (!(ifsta->flags & IEEE80211_STA_AUTO_SSID_SEL) &&
-		    !ieee80211_sta_match_ssid(ifsta, bss->ssid, bss->ssid_len))
-			continue;
-
-		if (!selected || top_rssi < bss->signal) {
-			selected = bss;
-			top_rssi = bss->signal;
-		}
-	}
-	if (selected)
-		atomic_inc(&selected->users);
-	spin_unlock_bh(&local->sta_bss_lock);
-
-	if (selected) {
-		ieee80211_set_freq(dev, selected->freq);
-		if (!(ifsta->flags & IEEE80211_STA_SSID_SET))
-			ieee80211_sta_set_ssid(dev, selected->ssid,
-					       selected->ssid_len);
-		ieee80211_sta_set_bssid(dev, selected->bssid);
-		ieee80211_sta_def_wmm_params(dev, selected, 0);
-		ieee80211_rx_bss_put(local, selected);
-		ifsta->state = IEEE80211_AUTHENTICATE;
-		ieee80211_sta_reset_auth(dev, ifsta);
-		return 0;
-	} else {
-		if (ifsta->state != IEEE80211_AUTHENTICATE) {
-			if (ifsta->flags & IEEE80211_STA_AUTO_SSID_SEL)
-				ieee80211_sta_start_scan(dev, NULL, 0);
-			else
-				ieee80211_sta_start_scan(dev, ifsta->ssid,
-							 ifsta->ssid_len);
-			ifsta->state = IEEE80211_AUTHENTICATE;
-			set_bit(IEEE80211_STA_REQ_AUTH, &ifsta->request);
-		} else
-			ifsta->state = IEEE80211_DISABLED;
-	}
-	return -1;
-}
-
-
-static int ieee80211_sta_create_ibss(struct net_device *dev,
+static int ieee80211_sta_create_ibss(struct ieee80211_sub_if_data *sdata,
 				     struct ieee80211_if_sta *ifsta)
 {
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct ieee80211_sta_bss *bss;
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+	struct ieee80211_local *local = sdata->local;
+	struct ieee80211_bss *bss;
 	struct ieee80211_supported_band *sband;
 	u8 bssid[ETH_ALEN], *pos;
 	int i;
@@ -3552,15 +2004,15 @@ static int ieee80211_sta_create_ibss(struct net_device *dev,
 	 * random number generator get different BSSID. */
 	get_random_bytes(bssid, ETH_ALEN);
 	for (i = 0; i < ETH_ALEN; i++)
-		bssid[i] ^= dev->dev_addr[i];
+		bssid[i] ^= sdata->dev->dev_addr[i];
 	bssid[0] &= ~0x01;
 	bssid[0] |= 0x02;
 #endif
 
 	printk(KERN_DEBUG "%s: Creating new IBSS network, BSSID %s\n",
-	       dev->name, print_mac(mac, bssid));
+	       sdata->dev->name, print_mac(mac, bssid));
 
-	bss = ieee80211_rx_bss_add(dev, bssid,
+	bss = ieee80211_rx_bss_add(local, bssid,
 				   local->hw.conf.channel->center_freq,
 				   sdata->u.sta.ssid, sdata->u.sta.ssid_len);
 	if (!bss)
@@ -3587,17 +2039,17 @@ static int ieee80211_sta_create_ibss(struct net_device *dev,
 		*pos++ = (u8) (rate / 5);
 	}
 
-	ret = ieee80211_sta_join_ibss(dev, ifsta, bss);
+	ret = ieee80211_sta_join_ibss(sdata, ifsta, bss);
 	ieee80211_rx_bss_put(local, bss);
 	return ret;
 }
 
 
-static int ieee80211_sta_find_ibss(struct net_device *dev,
+static int ieee80211_sta_find_ibss(struct ieee80211_sub_if_data *sdata,
 				   struct ieee80211_if_sta *ifsta)
 {
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct ieee80211_sta_bss *bss;
+	struct ieee80211_local *local = sdata->local;
+	struct ieee80211_bss *bss;
 	int found = 0;
 	u8 bssid[ETH_ALEN];
 	int active_ibss;
@@ -3607,13 +2059,13 @@ static int ieee80211_sta_find_ibss(struct net_device *dev,
 	if (ifsta->ssid_len == 0)
 		return -EINVAL;
 
-	active_ibss = ieee80211_sta_active_ibss(dev);
+	active_ibss = ieee80211_sta_active_ibss(sdata);
 #ifdef CONFIG_MAC80211_IBSS_DEBUG
 	printk(KERN_DEBUG "%s: sta_find_ibss (active_ibss=%d)\n",
-	       dev->name, active_ibss);
+	       sdata->dev->name, active_ibss);
 #endif /* CONFIG_MAC80211_IBSS_DEBUG */
-	spin_lock_bh(&local->sta_bss_lock);
-	list_for_each_entry(bss, &local->sta_bss_list, list) {
+	spin_lock_bh(&local->bss_lock);
+	list_for_each_entry(bss, &local->bss_list, list) {
 		if (ifsta->ssid_len != bss->ssid_len ||
 		    memcmp(ifsta->ssid, bss->ssid, bss->ssid_len) != 0
 		    || !(bss->capability & WLAN_CAPABILITY_IBSS))
@@ -3627,7 +2079,7 @@ static int ieee80211_sta_find_ibss(struct net_device *dev,
 		if (active_ibss || memcmp(bssid, ifsta->bssid, ETH_ALEN) != 0)
 			break;
 	}
-	spin_unlock_bh(&local->sta_bss_lock);
+	spin_unlock_bh(&local->bss_lock);
 
 #ifdef CONFIG_MAC80211_IBSS_DEBUG
 	if (found)
@@ -3645,15 +2097,15 @@ static int ieee80211_sta_find_ibss(struct net_device *dev,
 		else
 			search_freq = local->hw.conf.channel->center_freq;
 
-		bss = ieee80211_rx_bss_get(dev, bssid, search_freq,
+		bss = ieee80211_rx_bss_get(local, bssid, search_freq,
 					   ifsta->ssid, ifsta->ssid_len);
 		if (!bss)
 			goto dont_join;
 
 		printk(KERN_DEBUG "%s: Selected IBSS BSSID %s"
 		       " based on configured SSID\n",
-		       dev->name, print_mac(mac, bssid));
-		ret = ieee80211_sta_join_ibss(dev, ifsta, bss);
+		       sdata->dev->name, print_mac(mac, bssid));
+		ret = ieee80211_sta_join_ibss(sdata, ifsta, bss);
 		ieee80211_rx_bss_put(local, bss);
 		return ret;
 	}
@@ -3664,17 +2116,17 @@ dont_join:
 #endif /* CONFIG_MAC80211_IBSS_DEBUG */
 
 	/* Selected IBSS not found in current scan results - try to scan */
-	if (ifsta->state == IEEE80211_IBSS_JOINED &&
-	    !ieee80211_sta_active_ibss(dev)) {
+	if (ifsta->state == IEEE80211_STA_MLME_IBSS_JOINED &&
+	    !ieee80211_sta_active_ibss(sdata)) {
 		mod_timer(&ifsta->timer, jiffies +
 				      IEEE80211_IBSS_MERGE_INTERVAL);
 	} else if (time_after(jiffies, local->last_scan_completed +
 			      IEEE80211_SCAN_INTERVAL)) {
 		printk(KERN_DEBUG "%s: Trigger new scan to find an IBSS to "
-		       "join\n", dev->name);
-		return ieee80211_sta_req_scan(dev, ifsta->ssid,
+		       "join\n", sdata->dev->name);
+		return ieee80211_request_scan(sdata, ifsta->ssid,
 					      ifsta->ssid_len);
-	} else if (ifsta->state != IEEE80211_IBSS_JOINED) {
+	} else if (ifsta->state != IEEE80211_STA_MLME_IBSS_JOINED) {
 		int interval = IEEE80211_SCAN_INTERVAL;
 
 		if (time_after(jiffies, ifsta->ibss_join_req +
@@ -3682,10 +2134,10 @@ dont_join:
 			if ((ifsta->flags & IEEE80211_STA_CREATE_IBSS) &&
 			    (!(local->oper_channel->flags &
 					IEEE80211_CHAN_NO_IBSS)))
-				return ieee80211_sta_create_ibss(dev, ifsta);
+				return ieee80211_sta_create_ibss(sdata, ifsta);
 			if (ifsta->flags & IEEE80211_STA_CREATE_IBSS) {
 				printk(KERN_DEBUG "%s: IBSS not allowed on"
-				       " %d MHz\n", dev->name,
+				       " %d MHz\n", sdata->dev->name,
 				       local->hw.conf.channel->center_freq);
 			}
 
@@ -3694,7 +2146,7 @@ dont_join:
 			interval = IEEE80211_SCAN_INTERVAL_SLOW;
 		}
 
-		ifsta->state = IEEE80211_IBSS_SEARCH;
+		ifsta->state = IEEE80211_STA_MLME_IBSS_SEARCH;
 		mod_timer(&ifsta->timer, jiffies + interval);
 		return 0;
 	}
@@ -3703,620 +2155,344 @@ dont_join:
 }
 
 
-int ieee80211_sta_set_ssid(struct net_device *dev, char *ssid, size_t len)
+static int ieee80211_sta_config_auth(struct ieee80211_sub_if_data *sdata,
+				     struct ieee80211_if_sta *ifsta)
 {
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	struct ieee80211_if_sta *ifsta;
-	int res;
+	struct ieee80211_local *local = sdata->local;
+	struct ieee80211_bss *bss, *selected = NULL;
+	int top_rssi = 0, freq;
 
-	if (len > IEEE80211_MAX_SSID_LEN)
-		return -EINVAL;
+	spin_lock_bh(&local->bss_lock);
+	freq = local->oper_channel->center_freq;
+	list_for_each_entry(bss, &local->bss_list, list) {
+		if (!(bss->capability & WLAN_CAPABILITY_ESS))
+			continue;
 
-	ifsta = &sdata->u.sta;
+		if ((ifsta->flags & (IEEE80211_STA_AUTO_SSID_SEL |
+			IEEE80211_STA_AUTO_BSSID_SEL |
+			IEEE80211_STA_AUTO_CHANNEL_SEL)) &&
+		    (!!(bss->capability & WLAN_CAPABILITY_PRIVACY) ^
+		     !!sdata->default_key))
+			continue;
 
-	if (ifsta->ssid_len != len || memcmp(ifsta->ssid, ssid, len) != 0) {
-		memset(ifsta->ssid, 0, sizeof(ifsta->ssid));
-		memcpy(ifsta->ssid, ssid, len);
-		ifsta->ssid_len = len;
-		ifsta->flags &= ~IEEE80211_STA_PREV_BSSID_SET;
+		if (!(ifsta->flags & IEEE80211_STA_AUTO_CHANNEL_SEL) &&
+		    bss->freq != freq)
+			continue;
 
-		res = 0;
-		/*
-		 * Hack! MLME code needs to be cleaned up to have different
-		 * entry points for configuration and internal selection change
-		 */
-		if (netif_running(sdata->dev))
-			res = ieee80211_if_config(sdata, IEEE80211_IFCC_SSID);
-		if (res) {
-			printk(KERN_DEBUG "%s: Failed to config new SSID to "
-			       "the low-level driver\n", dev->name);
-			return res;
-		}
-	}
+		if (!(ifsta->flags & IEEE80211_STA_AUTO_BSSID_SEL) &&
+		    memcmp(bss->bssid, ifsta->bssid, ETH_ALEN))
+			continue;
 
-	if (len)
-		ifsta->flags |= IEEE80211_STA_SSID_SET;
-	else
-		ifsta->flags &= ~IEEE80211_STA_SSID_SET;
+		if (!(ifsta->flags & IEEE80211_STA_AUTO_SSID_SEL) &&
+		    !ieee80211_sta_match_ssid(ifsta, bss->ssid, bss->ssid_len))
+			continue;
 
-	if (sdata->vif.type == IEEE80211_IF_TYPE_IBSS &&
-	    !(ifsta->flags & IEEE80211_STA_BSSID_SET)) {
-		ifsta->ibss_join_req = jiffies;
-		ifsta->state = IEEE80211_IBSS_SEARCH;
-		return ieee80211_sta_find_ibss(dev, ifsta);
+		if (!selected || top_rssi < bss->signal) {
+			selected = bss;
+			top_rssi = bss->signal;
+		}
 	}
+	if (selected)
+		atomic_inc(&selected->users);
+	spin_unlock_bh(&local->bss_lock);
 
-	return 0;
-}
+	if (selected) {
+		ieee80211_set_freq(sdata, selected->freq);
+		if (!(ifsta->flags & IEEE80211_STA_SSID_SET))
+			ieee80211_sta_set_ssid(sdata, selected->ssid,
+					       selected->ssid_len);
+		ieee80211_sta_set_bssid(sdata, selected->bssid);
+		ieee80211_sta_def_wmm_params(sdata, selected);
 
+		/* Send out direct probe if no probe resp was received or
+		 * the one we have is outdated
+		 */
+		if (!selected->last_probe_resp ||
+		    time_after(jiffies, selected->last_probe_resp
+					+ IEEE80211_SCAN_RESULT_EXPIRE))
+			ifsta->state = IEEE80211_STA_MLME_DIRECT_PROBE;
+		else
+			ifsta->state = IEEE80211_STA_MLME_AUTHENTICATE;
 
-int ieee80211_sta_get_ssid(struct net_device *dev, char *ssid, size_t *len)
-{
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	struct ieee80211_if_sta *ifsta = &sdata->u.sta;
-	memcpy(ssid, ifsta->ssid, ifsta->ssid_len);
-	*len = ifsta->ssid_len;
-	return 0;
+		ieee80211_rx_bss_put(local, selected);
+		ieee80211_sta_reset_auth(sdata, ifsta);
+		return 0;
+	} else {
+		if (ifsta->assoc_scan_tries < IEEE80211_ASSOC_SCANS_MAX_TRIES) {
+			ifsta->assoc_scan_tries++;
+			if (ifsta->flags & IEEE80211_STA_AUTO_SSID_SEL)
+				ieee80211_start_scan(sdata, NULL, 0);
+			else
+				ieee80211_start_scan(sdata, ifsta->ssid,
+							 ifsta->ssid_len);
+			ifsta->state = IEEE80211_STA_MLME_AUTHENTICATE;
+			set_bit(IEEE80211_STA_REQ_AUTH, &ifsta->request);
+		} else
+			ifsta->state = IEEE80211_STA_MLME_DISABLED;
+	}
+	return -1;
 }
 
 
-int ieee80211_sta_set_bssid(struct net_device *dev, u8 *bssid)
+static void ieee80211_sta_work(struct work_struct *work)
 {
-	struct ieee80211_sub_if_data *sdata;
+	struct ieee80211_sub_if_data *sdata =
+		container_of(work, struct ieee80211_sub_if_data, u.sta.work);
+	struct ieee80211_local *local = sdata->local;
 	struct ieee80211_if_sta *ifsta;
-	int res;
-
-	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	ifsta = &sdata->u.sta;
+	struct sk_buff *skb;
 
-	if (memcmp(ifsta->bssid, bssid, ETH_ALEN) != 0) {
-		memcpy(ifsta->bssid, bssid, ETH_ALEN);
-		res = 0;
-		/*
-		 * Hack! See also ieee80211_sta_set_ssid.
-		 */
-		if (netif_running(sdata->dev))
-			res = ieee80211_if_config(sdata, IEEE80211_IFCC_BSSID);
-		if (res) {
-			printk(KERN_DEBUG "%s: Failed to config new BSSID to "
-			       "the low-level driver\n", dev->name);
-			return res;
-		}
-	}
+	if (!netif_running(sdata->dev))
+		return;
 
-	if (is_valid_ether_addr(bssid))
-		ifsta->flags |= IEEE80211_STA_BSSID_SET;
-	else
-		ifsta->flags &= ~IEEE80211_STA_BSSID_SET;
+	if (local->sw_scanning || local->hw_scanning)
+		return;
 
-	return 0;
-}
+	if (WARN_ON(sdata->vif.type != NL80211_IFTYPE_STATION &&
+		    sdata->vif.type != NL80211_IFTYPE_ADHOC))
+		return;
+	ifsta = &sdata->u.sta;
 
+	while ((skb = skb_dequeue(&ifsta->skb_queue)))
+		ieee80211_sta_rx_queued_mgmt(sdata, skb);
 
-static void ieee80211_send_nullfunc(struct ieee80211_local *local,
-				    struct ieee80211_sub_if_data *sdata,
-				    int powersave)
-{
-	struct sk_buff *skb;
-	struct ieee80211_hdr *nullfunc;
-	__le16 fc;
+	if (ifsta->state != IEEE80211_STA_MLME_DIRECT_PROBE &&
+	    ifsta->state != IEEE80211_STA_MLME_AUTHENTICATE &&
+	    ifsta->state != IEEE80211_STA_MLME_ASSOCIATE &&
+	    test_and_clear_bit(IEEE80211_STA_REQ_SCAN, &ifsta->request)) {
+		ieee80211_start_scan(sdata, ifsta->scan_ssid,
+				     ifsta->scan_ssid_len);
+		return;
+	}
 
-	skb = dev_alloc_skb(local->hw.extra_tx_headroom + 24);
-	if (!skb) {
-		printk(KERN_DEBUG "%s: failed to allocate buffer for nullfunc "
-		       "frame\n", sdata->dev->name);
+	if (test_and_clear_bit(IEEE80211_STA_REQ_AUTH, &ifsta->request)) {
+		if (ieee80211_sta_config_auth(sdata, ifsta))
+			return;
+		clear_bit(IEEE80211_STA_REQ_RUN, &ifsta->request);
+	} else if (!test_and_clear_bit(IEEE80211_STA_REQ_RUN, &ifsta->request))
 		return;
+
+	switch (ifsta->state) {
+	case IEEE80211_STA_MLME_DISABLED:
+		break;
+	case IEEE80211_STA_MLME_DIRECT_PROBE:
+		ieee80211_direct_probe(sdata, ifsta);
+		break;
+	case IEEE80211_STA_MLME_AUTHENTICATE:
+		ieee80211_authenticate(sdata, ifsta);
+		break;
+	case IEEE80211_STA_MLME_ASSOCIATE:
+		ieee80211_associate(sdata, ifsta);
+		break;
+	case IEEE80211_STA_MLME_ASSOCIATED:
+		ieee80211_associated(sdata, ifsta);
+		break;
+	case IEEE80211_STA_MLME_IBSS_SEARCH:
+		ieee80211_sta_find_ibss(sdata, ifsta);
+		break;
+	case IEEE80211_STA_MLME_IBSS_JOINED:
+		ieee80211_sta_merge_ibss(sdata, ifsta);
+		break;
+	default:
+		WARN_ON(1);
+		break;
 	}
-	skb_reserve(skb, local->hw.extra_tx_headroom);
 
-	nullfunc = (struct ieee80211_hdr *) skb_put(skb, 24);
-	memset(nullfunc, 0, 24);
-	fc = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC |
-			 IEEE80211_FCTL_TODS);
-	if (powersave)
-		fc |= cpu_to_le16(IEEE80211_FCTL_PM);
-	nullfunc->frame_control = fc;
-	memcpy(nullfunc->addr1, sdata->u.sta.bssid, ETH_ALEN);
-	memcpy(nullfunc->addr2, sdata->dev->dev_addr, ETH_ALEN);
-	memcpy(nullfunc->addr3, sdata->u.sta.bssid, ETH_ALEN);
-
-	ieee80211_sta_tx(sdata->dev, skb, 0);
-}
+	if (ieee80211_privacy_mismatch(sdata, ifsta)) {
+		printk(KERN_DEBUG "%s: privacy configuration mismatch and "
+		       "mixed-cell disabled - disassociate\n", sdata->dev->name);
 
+		ieee80211_set_disassoc(sdata, ifsta, false, true,
+					WLAN_REASON_UNSPECIFIED);
+	}
+}
 
 static void ieee80211_restart_sta_timer(struct ieee80211_sub_if_data *sdata)
 {
-	if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
-	    ieee80211_vif_is_mesh(&sdata->vif))
-		ieee80211_sta_timer((unsigned long)sdata);
+	if (sdata->vif.type == NL80211_IFTYPE_STATION)
+		queue_work(sdata->local->hw.workqueue,
+			   &sdata->u.sta.work);
 }
 
-void ieee80211_scan_completed(struct ieee80211_hw *hw)
+/* interface setup */
+void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata)
 {
-	struct ieee80211_local *local = hw_to_local(hw);
-	struct net_device *dev = local->scan_dev;
-	struct ieee80211_sub_if_data *sdata;
-	union iwreq_data wrqu;
+	struct ieee80211_if_sta *ifsta;
 
-	local->last_scan_completed = jiffies;
-	memset(&wrqu, 0, sizeof(wrqu));
-	wireless_send_event(dev, SIOCGIWSCAN, &wrqu, NULL);
-
-	if (local->sta_hw_scanning) {
-		local->sta_hw_scanning = 0;
-		if (ieee80211_hw_config(local))
-			printk(KERN_DEBUG "%s: failed to restore operational "
-			       "channel after scan\n", dev->name);
-		/* Restart STA timer for HW scan case */
-		rcu_read_lock();
-		list_for_each_entry_rcu(sdata, &local->interfaces, list)
-			ieee80211_restart_sta_timer(sdata);
-		rcu_read_unlock();
+	ifsta = &sdata->u.sta;
+	INIT_WORK(&ifsta->work, ieee80211_sta_work);
+	setup_timer(&ifsta->timer, ieee80211_sta_timer,
+		    (unsigned long) sdata);
+	skb_queue_head_init(&ifsta->skb_queue);
 
-		goto done;
+	ifsta->capab = WLAN_CAPABILITY_ESS;
+	ifsta->auth_algs = IEEE80211_AUTH_ALG_OPEN |
+		IEEE80211_AUTH_ALG_SHARED_KEY;
+	ifsta->flags |= IEEE80211_STA_CREATE_IBSS |
+		IEEE80211_STA_AUTO_BSSID_SEL |
+		IEEE80211_STA_AUTO_CHANNEL_SEL;
+	if (ieee80211_num_regular_queues(&sdata->local->hw) >= 4)
+		ifsta->flags |= IEEE80211_STA_WMM_ENABLED;
+}
+
+/*
+ * Add a new IBSS station, will also be called by the RX code when,
+ * in IBSS mode, receiving a frame from a yet-unknown station, hence
+ * must be callable in atomic context.
+ */
+struct sta_info *ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata,
+					struct sk_buff *skb, u8 *bssid,
+					u8 *addr, u64 supp_rates)
+{
+	struct ieee80211_local *local = sdata->local;
+	struct sta_info *sta;
+	DECLARE_MAC_BUF(mac);
+	int band = local->hw.conf.channel->band;
+
+	/* TODO: Could consider removing the least recently used entry and
+	 * allow new one to be added. */
+	if (local->num_sta >= IEEE80211_IBSS_MAX_STA_ENTRIES) {
+		if (net_ratelimit()) {
+			printk(KERN_DEBUG "%s: No room for a new IBSS STA "
+			       "entry %s\n", sdata->dev->name, print_mac(mac, addr));
+		}
+		return NULL;
 	}
 
-	local->sta_sw_scanning = 0;
-	if (ieee80211_hw_config(local))
-		printk(KERN_DEBUG "%s: failed to restore operational "
-		       "channel after scan\n", dev->name);
+	if (compare_ether_addr(bssid, sdata->u.sta.bssid))
+		return NULL;
 
+#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
+	printk(KERN_DEBUG "%s: Adding new IBSS station %s (dev=%s)\n",
+	       wiphy_name(local->hw.wiphy), print_mac(mac, addr), sdata->dev->name);
+#endif
 
-	netif_tx_lock_bh(local->mdev);
-	netif_addr_lock(local->mdev);
-	local->filter_flags &= ~FIF_BCN_PRBRESP_PROMISC;
-	local->ops->configure_filter(local_to_hw(local),
-				     FIF_BCN_PRBRESP_PROMISC,
-				     &local->filter_flags,
-				     local->mdev->mc_count,
-				     local->mdev->mc_list);
+	sta = sta_info_alloc(sdata, addr, GFP_ATOMIC);
+	if (!sta)
+		return NULL;
 
-	netif_addr_unlock(local->mdev);
-	netif_tx_unlock_bh(local->mdev);
+	set_sta_flags(sta, WLAN_STA_AUTHORIZED);
 
-	rcu_read_lock();
-	list_for_each_entry_rcu(sdata, &local->interfaces, list) {
-		/* Tell AP we're back */
-		if (sdata->vif.type == IEEE80211_IF_TYPE_STA &&
-		    sdata->u.sta.flags & IEEE80211_STA_ASSOCIATED)
-			ieee80211_send_nullfunc(local, sdata, 0);
+	/* make sure mandatory rates are always added */
+	sta->sta.supp_rates[band] = supp_rates |
+			ieee80211_mandatory_rates(local, band);
 
-		ieee80211_restart_sta_timer(sdata);
+	rate_control_rate_init(sta);
 
-		netif_wake_queue(sdata->dev);
-	}
-	rcu_read_unlock();
+	if (sta_info_insert(sta))
+		return NULL;
 
-done:
-	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	if (sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
-		struct ieee80211_if_sta *ifsta = &sdata->u.sta;
-		if (!(ifsta->flags & IEEE80211_STA_BSSID_SET) ||
-		    (!(ifsta->state == IEEE80211_IBSS_JOINED) &&
-		    !ieee80211_sta_active_ibss(dev)))
-			ieee80211_sta_find_ibss(dev, ifsta);
-	}
+	return sta;
 }
-EXPORT_SYMBOL(ieee80211_scan_completed);
 
-void ieee80211_sta_scan_work(struct work_struct *work)
+/* configuration hooks */
+void ieee80211_sta_req_auth(struct ieee80211_sub_if_data *sdata,
+			    struct ieee80211_if_sta *ifsta)
 {
-	struct ieee80211_local *local =
-		container_of(work, struct ieee80211_local, scan_work.work);
-	struct net_device *dev = local->scan_dev;
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	struct ieee80211_supported_band *sband;
-	struct ieee80211_channel *chan;
-	int skip;
-	unsigned long next_delay = 0;
+	struct ieee80211_local *local = sdata->local;
 
-	if (!local->sta_sw_scanning)
+	if (sdata->vif.type != NL80211_IFTYPE_STATION)
 		return;
 
-	switch (local->scan_state) {
-	case SCAN_SET_CHANNEL:
-		/*
-		 * Get current scan band. scan_band may be IEEE80211_NUM_BANDS
-		 * after we successfully scanned the last channel of the last
-		 * band (and the last band is supported by the hw)
-		 */
-		if (local->scan_band < IEEE80211_NUM_BANDS)
-			sband = local->hw.wiphy->bands[local->scan_band];
-		else
-			sband = NULL;
-
-		/*
-		 * If we are at an unsupported band and have more bands
-		 * left to scan, advance to the next supported one.
-		 */
-		while (!sband && local->scan_band < IEEE80211_NUM_BANDS - 1) {
-			local->scan_band++;
-			sband = local->hw.wiphy->bands[local->scan_band];
-			local->scan_channel_idx = 0;
-		}
-
-		/* if no more bands/channels left, complete scan */
-		if (!sband || local->scan_channel_idx >= sband->n_channels) {
-			ieee80211_scan_completed(local_to_hw(local));
-			return;
-		}
-		skip = 0;
-		chan = &sband->channels[local->scan_channel_idx];
-
-		if (chan->flags & IEEE80211_CHAN_DISABLED ||
-		    (sdata->vif.type == IEEE80211_IF_TYPE_IBSS &&
-		     chan->flags & IEEE80211_CHAN_NO_IBSS))
-			skip = 1;
-
-		if (!skip) {
-			local->scan_channel = chan;
-			if (ieee80211_hw_config(local)) {
-				printk(KERN_DEBUG "%s: failed to set freq to "
-				       "%d MHz for scan\n", dev->name,
-				       chan->center_freq);
-				skip = 1;
-			}
-		}
-
-		/* advance state machine to next channel/band */
-		local->scan_channel_idx++;
-		if (local->scan_channel_idx >= sband->n_channels) {
-			/*
-			 * scan_band may end up == IEEE80211_NUM_BANDS, but
-			 * we'll catch that case above and complete the scan
-			 * if that is the case.
-			 */
-			local->scan_band++;
-			local->scan_channel_idx = 0;
-		}
-
-		if (skip)
-			break;
+	if ((ifsta->flags & (IEEE80211_STA_BSSID_SET |
+			     IEEE80211_STA_AUTO_BSSID_SEL)) &&
+	    (ifsta->flags & (IEEE80211_STA_SSID_SET |
+			     IEEE80211_STA_AUTO_SSID_SEL))) {
 
-		next_delay = IEEE80211_PROBE_DELAY +
-			     usecs_to_jiffies(local->hw.channel_change_time);
-		local->scan_state = SCAN_SEND_PROBE;
-		break;
-	case SCAN_SEND_PROBE:
-		next_delay = IEEE80211_PASSIVE_CHANNEL_TIME;
-		local->scan_state = SCAN_SET_CHANNEL;
+		if (ifsta->state == IEEE80211_STA_MLME_ASSOCIATED)
+			ieee80211_set_disassoc(sdata, ifsta, true, true,
+					       WLAN_REASON_DEAUTH_LEAVING);
 
-		if (local->scan_channel->flags & IEEE80211_CHAN_PASSIVE_SCAN)
-			break;
-		ieee80211_send_probe_req(dev, NULL, local->scan_ssid,
-					 local->scan_ssid_len);
-		next_delay = IEEE80211_CHANNEL_TIME;
-		break;
+		set_bit(IEEE80211_STA_REQ_AUTH, &ifsta->request);
+		queue_work(local->hw.workqueue, &ifsta->work);
 	}
-
-	if (local->sta_sw_scanning)
-		queue_delayed_work(local->hw.workqueue, &local->scan_work,
-				   next_delay);
 }
 
-
-static int ieee80211_sta_start_scan(struct net_device *dev,
-				    u8 *ssid, size_t ssid_len)
+int ieee80211_sta_set_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t len)
 {
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct ieee80211_sub_if_data *sdata;
+	struct ieee80211_if_sta *ifsta;
+	int res;
 
-	if (ssid_len > IEEE80211_MAX_SSID_LEN)
+	if (len > IEEE80211_MAX_SSID_LEN)
 		return -EINVAL;
 
-	/* MLME-SCAN.request (page 118)  page 144 (11.1.3.1)
-	 * BSSType: INFRASTRUCTURE, INDEPENDENT, ANY_BSS
-	 * BSSID: MACAddress
-	 * SSID
-	 * ScanType: ACTIVE, PASSIVE
-	 * ProbeDelay: delay (in microseconds) to be used prior to transmitting
-	 *    a Probe frame during active scanning
-	 * ChannelList
-	 * MinChannelTime (>= ProbeDelay), in TU
-	 * MaxChannelTime: (>= MinChannelTime), in TU
-	 */
-
-	 /* MLME-SCAN.confirm
-	  * BSSDescriptionSet
-	  * ResultCode: SUCCESS, INVALID_PARAMETERS
-	 */
+	ifsta = &sdata->u.sta;
 
-	if (local->sta_sw_scanning || local->sta_hw_scanning) {
-		if (local->scan_dev == dev)
-			return 0;
-		return -EBUSY;
-	}
+	if (ifsta->ssid_len != len || memcmp(ifsta->ssid, ssid, len) != 0) {
+		memset(ifsta->ssid, 0, sizeof(ifsta->ssid));
+		memcpy(ifsta->ssid, ssid, len);
+		ifsta->ssid_len = len;
+		ifsta->flags &= ~IEEE80211_STA_PREV_BSSID_SET;
 
-	if (local->ops->hw_scan) {
-		int rc = local->ops->hw_scan(local_to_hw(local),
-					     ssid, ssid_len);
-		if (!rc) {
-			local->sta_hw_scanning = 1;
-			local->scan_dev = dev;
+		res = 0;
+		/*
+		 * Hack! MLME code needs to be cleaned up to have different
+		 * entry points for configuration and internal selection change
+		 */
+		if (netif_running(sdata->dev))
+			res = ieee80211_if_config(sdata, IEEE80211_IFCC_SSID);
+		if (res) {
+			printk(KERN_DEBUG "%s: Failed to config new SSID to "
+			       "the low-level driver\n", sdata->dev->name);
+			return res;
 		}
-		return rc;
 	}
 
-	local->sta_sw_scanning = 1;
+	if (len)
+		ifsta->flags |= IEEE80211_STA_SSID_SET;
+	else
+		ifsta->flags &= ~IEEE80211_STA_SSID_SET;
 
-	rcu_read_lock();
-	list_for_each_entry_rcu(sdata, &local->interfaces, list) {
-		netif_stop_queue(sdata->dev);
-		if (sdata->vif.type == IEEE80211_IF_TYPE_STA &&
-		    (sdata->u.sta.flags & IEEE80211_STA_ASSOCIATED))
-			ieee80211_send_nullfunc(local, sdata, 1);
+	if (sdata->vif.type == NL80211_IFTYPE_ADHOC &&
+	    !(ifsta->flags & IEEE80211_STA_BSSID_SET)) {
+		ifsta->ibss_join_req = jiffies;
+		ifsta->state = IEEE80211_STA_MLME_IBSS_SEARCH;
+		return ieee80211_sta_find_ibss(sdata, ifsta);
 	}
-	rcu_read_unlock();
-
-	if (ssid) {
-		local->scan_ssid_len = ssid_len;
-		memcpy(local->scan_ssid, ssid, ssid_len);
-	} else
-		local->scan_ssid_len = 0;
-	local->scan_state = SCAN_SET_CHANNEL;
-	local->scan_channel_idx = 0;
-	local->scan_band = IEEE80211_BAND_2GHZ;
-	local->scan_dev = dev;
-
-	netif_addr_lock_bh(local->mdev);
-	local->filter_flags |= FIF_BCN_PRBRESP_PROMISC;
-	local->ops->configure_filter(local_to_hw(local),
-				     FIF_BCN_PRBRESP_PROMISC,
-				     &local->filter_flags,
-				     local->mdev->mc_count,
-				     local->mdev->mc_list);
-	netif_addr_unlock_bh(local->mdev);
-
-	/* TODO: start scan as soon as all nullfunc frames are ACKed */
-	queue_delayed_work(local->hw.workqueue, &local->scan_work,
-			   IEEE80211_CHANNEL_TIME);
 
 	return 0;
 }
 
-
-int ieee80211_sta_req_scan(struct net_device *dev, u8 *ssid, size_t ssid_len)
+int ieee80211_sta_get_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t *len)
 {
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 	struct ieee80211_if_sta *ifsta = &sdata->u.sta;
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-
-	if (sdata->vif.type != IEEE80211_IF_TYPE_STA)
-		return ieee80211_sta_start_scan(dev, ssid, ssid_len);
-
-	if (local->sta_sw_scanning || local->sta_hw_scanning) {
-		if (local->scan_dev == dev)
-			return 0;
-		return -EBUSY;
-	}
-
-	ifsta->scan_ssid_len = ssid_len;
-	if (ssid_len)
-		memcpy(ifsta->scan_ssid, ssid, ssid_len);
-	set_bit(IEEE80211_STA_REQ_SCAN, &ifsta->request);
-	queue_work(local->hw.workqueue, &ifsta->work);
+	memcpy(ssid, ifsta->ssid, ifsta->ssid_len);
+	*len = ifsta->ssid_len;
 	return 0;
 }
 
-static char *
-ieee80211_sta_scan_result(struct net_device *dev,
-			  struct iw_request_info *info,
-			  struct ieee80211_sta_bss *bss,
-			  char *current_ev, char *end_buf)
+int ieee80211_sta_set_bssid(struct ieee80211_sub_if_data *sdata, u8 *bssid)
 {
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct iw_event iwe;
-
-	if (time_after(jiffies,
-		       bss->last_update + IEEE80211_SCAN_RESULT_EXPIRE))
-		return current_ev;
-
-	memset(&iwe, 0, sizeof(iwe));
-	iwe.cmd = SIOCGIWAP;
-	iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
-	memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
-	current_ev = iwe_stream_add_event(info, current_ev, end_buf, &iwe,
-					  IW_EV_ADDR_LEN);
-
-	memset(&iwe, 0, sizeof(iwe));
-	iwe.cmd = SIOCGIWESSID;
-	if (bss_mesh_cfg(bss)) {
-		iwe.u.data.length = bss_mesh_id_len(bss);
-		iwe.u.data.flags = 1;
-		current_ev = iwe_stream_add_point(info, current_ev, end_buf,
-						  &iwe, bss_mesh_id(bss));
-	} else {
-		iwe.u.data.length = bss->ssid_len;
-		iwe.u.data.flags = 1;
-		current_ev = iwe_stream_add_point(info, current_ev, end_buf,
-						  &iwe, bss->ssid);
-	}
-
-	if (bss->capability & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)
-	    || bss_mesh_cfg(bss)) {
-		memset(&iwe, 0, sizeof(iwe));
-		iwe.cmd = SIOCGIWMODE;
-		if (bss_mesh_cfg(bss))
-			iwe.u.mode = IW_MODE_MESH;
-		else if (bss->capability & WLAN_CAPABILITY_ESS)
-			iwe.u.mode = IW_MODE_MASTER;
-		else
-			iwe.u.mode = IW_MODE_ADHOC;
-		current_ev = iwe_stream_add_event(info, current_ev, end_buf,
-						  &iwe, IW_EV_UINT_LEN);
-	}
-
-	memset(&iwe, 0, sizeof(iwe));
-	iwe.cmd = SIOCGIWFREQ;
-	iwe.u.freq.m = ieee80211_frequency_to_channel(bss->freq);
-	iwe.u.freq.e = 0;
-	current_ev = iwe_stream_add_event(info, current_ev, end_buf, &iwe,
-					  IW_EV_FREQ_LEN);
-
-	memset(&iwe, 0, sizeof(iwe));
-	iwe.cmd = SIOCGIWFREQ;
-	iwe.u.freq.m = bss->freq;
-	iwe.u.freq.e = 6;
-	current_ev = iwe_stream_add_event(info, current_ev, end_buf, &iwe,
-					  IW_EV_FREQ_LEN);
-	memset(&iwe, 0, sizeof(iwe));
-	iwe.cmd = IWEVQUAL;
-	iwe.u.qual.qual = bss->qual;
-	iwe.u.qual.level = bss->signal;
-	iwe.u.qual.noise = bss->noise;
-	iwe.u.qual.updated = local->wstats_flags;
-	current_ev = iwe_stream_add_event(info, current_ev, end_buf, &iwe,
-					  IW_EV_QUAL_LEN);
-
-	memset(&iwe, 0, sizeof(iwe));
-	iwe.cmd = SIOCGIWENCODE;
-	if (bss->capability & WLAN_CAPABILITY_PRIVACY)
-		iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
-	else
-		iwe.u.data.flags = IW_ENCODE_DISABLED;
-	iwe.u.data.length = 0;
-	current_ev = iwe_stream_add_point(info, current_ev, end_buf,
-					  &iwe, "");
-
-	if (bss && bss->wpa_ie) {
-		memset(&iwe, 0, sizeof(iwe));
-		iwe.cmd = IWEVGENIE;
-		iwe.u.data.length = bss->wpa_ie_len;
-		current_ev = iwe_stream_add_point(info, current_ev, end_buf,
-						  &iwe, bss->wpa_ie);
-	}
-
-	if (bss && bss->rsn_ie) {
-		memset(&iwe, 0, sizeof(iwe));
-		iwe.cmd = IWEVGENIE;
-		iwe.u.data.length = bss->rsn_ie_len;
-		current_ev = iwe_stream_add_point(info, current_ev, end_buf,
-						  &iwe, bss->rsn_ie);
-	}
-
-	if (bss && bss->ht_ie) {
-		memset(&iwe, 0, sizeof(iwe));
-		iwe.cmd = IWEVGENIE;
-		iwe.u.data.length = bss->ht_ie_len;
-		current_ev = iwe_stream_add_point(info, current_ev, end_buf,
-						  &iwe, bss->ht_ie);
-	}
-
-	if (bss && bss->supp_rates_len > 0) {
-		/* display all supported rates in readable format */
-		char *p = current_ev + iwe_stream_lcp_len(info);
-		int i;
-
-		memset(&iwe, 0, sizeof(iwe));
-		iwe.cmd = SIOCGIWRATE;
-		/* Those two flags are ignored... */
-		iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
-
-		for (i = 0; i < bss->supp_rates_len; i++) {
-			iwe.u.bitrate.value = ((bss->supp_rates[i] &
-							0x7f) * 500000);
-			p = iwe_stream_add_value(info, current_ev, p,
-					end_buf, &iwe, IW_EV_PARAM_LEN);
-		}
-		current_ev = p;
-	}
+	struct ieee80211_if_sta *ifsta;
+	int res;
 
-	if (bss) {
-		char *buf;
-		buf = kmalloc(30, GFP_ATOMIC);
-		if (buf) {
-			memset(&iwe, 0, sizeof(iwe));
-			iwe.cmd = IWEVCUSTOM;
-			sprintf(buf, "tsf=%016llx", (unsigned long long)(bss->timestamp));
-			iwe.u.data.length = strlen(buf);
-			current_ev = iwe_stream_add_point(info, current_ev,
-							  end_buf,
-							  &iwe, buf);
-			memset(&iwe, 0, sizeof(iwe));
-			iwe.cmd = IWEVCUSTOM;
-			sprintf(buf, " Last beacon: %dms ago",
-				jiffies_to_msecs(jiffies - bss->last_update));
-			iwe.u.data.length = strlen(buf);
-			current_ev = iwe_stream_add_point(info, current_ev,
-							  end_buf, &iwe, buf);
-			kfree(buf);
-		}
-	}
+	ifsta = &sdata->u.sta;
 
-	if (bss_mesh_cfg(bss)) {
-		char *buf;
-		u8 *cfg = bss_mesh_cfg(bss);
-		buf = kmalloc(50, GFP_ATOMIC);
-		if (buf) {
-			memset(&iwe, 0, sizeof(iwe));
-			iwe.cmd = IWEVCUSTOM;
-			sprintf(buf, "Mesh network (version %d)", cfg[0]);
-			iwe.u.data.length = strlen(buf);
-			current_ev = iwe_stream_add_point(info, current_ev,
-							  end_buf,
-							  &iwe, buf);
-			sprintf(buf, "Path Selection Protocol ID: "
-				"0x%02X%02X%02X%02X", cfg[1], cfg[2], cfg[3],
-							cfg[4]);
-			iwe.u.data.length = strlen(buf);
-			current_ev = iwe_stream_add_point(info, current_ev,
-							  end_buf,
-							  &iwe, buf);
-			sprintf(buf, "Path Selection Metric ID: "
-				"0x%02X%02X%02X%02X", cfg[5], cfg[6], cfg[7],
-							cfg[8]);
-			iwe.u.data.length = strlen(buf);
-			current_ev = iwe_stream_add_point(info, current_ev,
-							  end_buf,
-							  &iwe, buf);
-			sprintf(buf, "Congestion Control Mode ID: "
-				"0x%02X%02X%02X%02X", cfg[9], cfg[10],
-							cfg[11], cfg[12]);
-			iwe.u.data.length = strlen(buf);
-			current_ev = iwe_stream_add_point(info, current_ev,
-							  end_buf,
-							  &iwe, buf);
-			sprintf(buf, "Channel Precedence: "
-				"0x%02X%02X%02X%02X", cfg[13], cfg[14],
-							cfg[15], cfg[16]);
-			iwe.u.data.length = strlen(buf);
-			current_ev = iwe_stream_add_point(info, current_ev,
-							  end_buf,
-							  &iwe, buf);
-			kfree(buf);
+	if (memcmp(ifsta->bssid, bssid, ETH_ALEN) != 0) {
+		memcpy(ifsta->bssid, bssid, ETH_ALEN);
+		res = 0;
+		/*
+		 * Hack! See also ieee80211_sta_set_ssid.
+		 */
+		if (netif_running(sdata->dev))
+			res = ieee80211_if_config(sdata, IEEE80211_IFCC_BSSID);
+		if (res) {
+			printk(KERN_DEBUG "%s: Failed to config new BSSID to "
+			       "the low-level driver\n", sdata->dev->name);
+			return res;
 		}
 	}
 
-	return current_ev;
-}
-
+	if (is_valid_ether_addr(bssid))
+		ifsta->flags |= IEEE80211_STA_BSSID_SET;
+	else
+		ifsta->flags &= ~IEEE80211_STA_BSSID_SET;
 
-int ieee80211_sta_scan_results(struct net_device *dev,
-			       struct iw_request_info *info,
-			       char *buf, size_t len)
-{
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	char *current_ev = buf;
-	char *end_buf = buf + len;
-	struct ieee80211_sta_bss *bss;
-
-	spin_lock_bh(&local->sta_bss_lock);
-	list_for_each_entry(bss, &local->sta_bss_list, list) {
-		if (buf + len - current_ev <= IW_EV_ADDR_LEN) {
-			spin_unlock_bh(&local->sta_bss_lock);
-			return -E2BIG;
-		}
-		current_ev = ieee80211_sta_scan_result(dev, info, bss,
-						       current_ev, end_buf);
-	}
-	spin_unlock_bh(&local->sta_bss_lock);
-	return current_ev - buf;
+	return 0;
 }
 
-
-int ieee80211_sta_set_extra_ie(struct net_device *dev, char *ie, size_t len)
+int ieee80211_sta_set_extra_ie(struct ieee80211_sub_if_data *sdata, char *ie, size_t len)
 {
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 	struct ieee80211_if_sta *ifsta = &sdata->u.sta;
 
 	kfree(ifsta->extra_ie);
@@ -4335,92 +2511,60 @@ int ieee80211_sta_set_extra_ie(struct net_device *dev, char *ie, size_t len)
 	return 0;
 }
 
-
-struct sta_info *ieee80211_ibss_add_sta(struct net_device *dev,
-					struct sk_buff *skb, u8 *bssid,
-					u8 *addr, u64 supp_rates)
-{
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct sta_info *sta;
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	DECLARE_MAC_BUF(mac);
-	int band = local->hw.conf.channel->band;
-
-	/* TODO: Could consider removing the least recently used entry and
-	 * allow new one to be added. */
-	if (local->num_sta >= IEEE80211_IBSS_MAX_STA_ENTRIES) {
-		if (net_ratelimit()) {
-			printk(KERN_DEBUG "%s: No room for a new IBSS STA "
-			       "entry %s\n", dev->name, print_mac(mac, addr));
-		}
-		return NULL;
-	}
-
-	if (compare_ether_addr(bssid, sdata->u.sta.bssid))
-		return NULL;
-
-#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
-	printk(KERN_DEBUG "%s: Adding new IBSS station %s (dev=%s)\n",
-	       wiphy_name(local->hw.wiphy), print_mac(mac, addr), dev->name);
-#endif
-
-	sta = sta_info_alloc(sdata, addr, GFP_ATOMIC);
-	if (!sta)
-		return NULL;
-
-	set_sta_flags(sta, WLAN_STA_AUTHORIZED);
-
-	if (supp_rates)
-		sta->supp_rates[band] = supp_rates;
-	else
-		sta->supp_rates[band] = sdata->u.sta.supp_rates_bits[band];
-
-	rate_control_rate_init(sta, local);
-
-	if (sta_info_insert(sta))
-		return NULL;
-
-	return sta;
-}
-
-
-int ieee80211_sta_deauthenticate(struct net_device *dev, u16 reason)
+int ieee80211_sta_deauthenticate(struct ieee80211_sub_if_data *sdata, u16 reason)
 {
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 	struct ieee80211_if_sta *ifsta = &sdata->u.sta;
 
 	printk(KERN_DEBUG "%s: deauthenticating by local choice (reason=%d)\n",
-	       dev->name, reason);
+	       sdata->dev->name, reason);
 
-	if (sdata->vif.type != IEEE80211_IF_TYPE_STA &&
-	    sdata->vif.type != IEEE80211_IF_TYPE_IBSS)
+	if (sdata->vif.type != NL80211_IFTYPE_STATION &&
+	    sdata->vif.type != NL80211_IFTYPE_ADHOC)
 		return -EINVAL;
 
-	ieee80211_send_deauth(dev, ifsta, reason);
-	ieee80211_set_disassoc(dev, ifsta, 1);
+	ieee80211_set_disassoc(sdata, ifsta, true, true, reason);
 	return 0;
 }
 
-
-int ieee80211_sta_disassociate(struct net_device *dev, u16 reason)
+int ieee80211_sta_disassociate(struct ieee80211_sub_if_data *sdata, u16 reason)
 {
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 	struct ieee80211_if_sta *ifsta = &sdata->u.sta;
 
 	printk(KERN_DEBUG "%s: disassociating by local choice (reason=%d)\n",
-	       dev->name, reason);
+	       sdata->dev->name, reason);
 
-	if (sdata->vif.type != IEEE80211_IF_TYPE_STA)
+	if (sdata->vif.type != NL80211_IFTYPE_STATION)
 		return -EINVAL;
 
 	if (!(ifsta->flags & IEEE80211_STA_ASSOCIATED))
 		return -1;
 
-	ieee80211_send_disassoc(dev, ifsta, reason);
-	ieee80211_set_disassoc(dev, ifsta, 0);
+	ieee80211_set_disassoc(sdata, ifsta, false, true, reason);
 	return 0;
 }
 
+/* scan finished notification */
+void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local)
+{
+	struct ieee80211_sub_if_data *sdata = local->scan_sdata;
+	struct ieee80211_if_sta *ifsta;
+
+	if (sdata && sdata->vif.type == NL80211_IFTYPE_ADHOC) {
+		ifsta = &sdata->u.sta;
+		if (!(ifsta->flags & IEEE80211_STA_BSSID_SET) ||
+		    (!(ifsta->state == IEEE80211_STA_MLME_IBSS_JOINED) &&
+		    !ieee80211_sta_active_ibss(sdata)))
+			ieee80211_sta_find_ibss(sdata, ifsta);
+	}
+
+	/* Restart STA timers */
+	rcu_read_lock();
+	list_for_each_entry_rcu(sdata, &local->interfaces, list)
+		ieee80211_restart_sta_timer(sdata);
+	rcu_read_unlock();
+}
+
+/* driver notification call */
 void ieee80211_notify_mac(struct ieee80211_hw *hw,
 			  enum ieee80211_notification_types  notif_type)
 {
@@ -4431,10 +2575,10 @@ void ieee80211_notify_mac(struct ieee80211_hw *hw,
 	case IEEE80211_NOTIFY_RE_ASSOC:
 		rcu_read_lock();
 		list_for_each_entry_rcu(sdata, &local->interfaces, list) {
-			if (sdata->vif.type != IEEE80211_IF_TYPE_STA)
+			if (sdata->vif.type != NL80211_IFTYPE_STATION)
 				continue;
 
-			ieee80211_sta_req_auth(sdata->dev, &sdata->u.sta);
+			ieee80211_sta_req_auth(sdata, &sdata->u.sta);
 		}
 		rcu_read_unlock();
 		break;
diff --git a/net/mac80211/rate.c b/net/mac80211/rate.c
index 0388c090dfe..5d786720d93 100644
--- a/net/mac80211/rate.c
+++ b/net/mac80211/rate.c
@@ -12,6 +12,7 @@
 #include <linux/rtnetlink.h>
 #include "rate.h"
 #include "ieee80211_i.h"
+#include "debugfs.h"
 
 struct rate_control_alg {
 	struct list_head list;
@@ -127,19 +128,46 @@ static void ieee80211_rate_control_ops_put(struct rate_control_ops *ops)
 	module_put(ops->module);
 }
 
+#ifdef CONFIG_MAC80211_DEBUGFS
+static ssize_t rcname_read(struct file *file, char __user *userbuf,
+			   size_t count, loff_t *ppos)
+{
+	struct rate_control_ref *ref = file->private_data;
+	int len = strlen(ref->ops->name);
+
+	return simple_read_from_buffer(userbuf, count, ppos,
+				       ref->ops->name, len);
+}
+
+static const struct file_operations rcname_ops = {
+	.read = rcname_read,
+	.open = mac80211_open_file_generic,
+};
+#endif
+
 struct rate_control_ref *rate_control_alloc(const char *name,
 					    struct ieee80211_local *local)
 {
+	struct dentry *debugfsdir = NULL;
 	struct rate_control_ref *ref;
 
 	ref = kmalloc(sizeof(struct rate_control_ref), GFP_KERNEL);
 	if (!ref)
 		goto fail_ref;
 	kref_init(&ref->kref);
+	ref->local = local;
 	ref->ops = ieee80211_rate_control_ops_get(name);
 	if (!ref->ops)
 		goto fail_ops;
-	ref->priv = ref->ops->alloc(local);
+
+#ifdef CONFIG_MAC80211_DEBUGFS
+	debugfsdir = debugfs_create_dir("rc", local->hw.wiphy->debugfsdir);
+	local->debugfs.rcdir = debugfsdir;
+	local->debugfs.rcname = debugfs_create_file("name", 0400, debugfsdir,
+						    ref, &rcname_ops);
+#endif
+
+	ref->priv = ref->ops->alloc(&local->hw, debugfsdir);
 	if (!ref->priv)
 		goto fail_priv;
 	return ref;
@@ -158,29 +186,46 @@ static void rate_control_release(struct kref *kref)
 
 	ctrl_ref = container_of(kref, struct rate_control_ref, kref);
 	ctrl_ref->ops->free(ctrl_ref->priv);
+
+#ifdef CONFIG_MAC80211_DEBUGFS
+	debugfs_remove(ctrl_ref->local->debugfs.rcname);
+	ctrl_ref->local->debugfs.rcname = NULL;
+	debugfs_remove(ctrl_ref->local->debugfs.rcdir);
+	ctrl_ref->local->debugfs.rcdir = NULL;
+#endif
+
 	ieee80211_rate_control_ops_put(ctrl_ref->ops);
 	kfree(ctrl_ref);
 }
 
-void rate_control_get_rate(struct net_device *dev,
+void rate_control_get_rate(struct ieee80211_sub_if_data *sdata,
 			   struct ieee80211_supported_band *sband,
-			   struct sk_buff *skb,
+			   struct sta_info *sta, struct sk_buff *skb,
 			   struct rate_selection *sel)
 {
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct rate_control_ref *ref = local->rate_ctrl;
-	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
-	struct sta_info *sta;
+	struct rate_control_ref *ref = sdata->local->rate_ctrl;
+	void *priv_sta = NULL;
+	struct ieee80211_sta *ista = NULL;
 	int i;
 
-	rcu_read_lock();
-	sta = sta_info_get(local, hdr->addr1);
-
 	sel->rate_idx = -1;
 	sel->nonerp_idx = -1;
 	sel->probe_idx = -1;
+	sel->max_rate_idx = sdata->max_ratectrl_rateidx;
+
+	if (sta) {
+		ista = &sta->sta;
+		priv_sta = sta->rate_ctrl_priv;
+	}
+
+	if (sta && sdata->force_unicast_rateidx > -1)
+		sel->rate_idx = sdata->force_unicast_rateidx;
+	else
+		ref->ops->get_rate(ref->priv, sband, ista, priv_sta, skb, sel);
 
-	ref->ops->get_rate(ref->priv, dev, sband, skb, sel);
+	if (sdata->max_ratectrl_rateidx > -1 &&
+	    sel->rate_idx > sdata->max_ratectrl_rateidx)
+		sel->rate_idx = sdata->max_ratectrl_rateidx;
 
 	BUG_ON(sel->rate_idx < 0);
 
@@ -191,13 +236,11 @@ void rate_control_get_rate(struct net_device *dev,
 			if (sband->bitrates[sel->rate_idx].bitrate < rate->bitrate)
 				break;
 
-			if (rate_supported(sta, sband->band, i) &&
+			if (rate_supported(ista, sband->band, i) &&
 			    !(rate->flags & IEEE80211_RATE_ERP_G))
 				sel->nonerp_idx = i;
 		}
 	}
-
-	rcu_read_unlock();
 }
 
 struct rate_control_ref *rate_control_get(struct rate_control_ref *ref)
diff --git a/net/mac80211/rate.h b/net/mac80211/rate.h
index ede7ab56f65..d0092f847f8 100644
--- a/net/mac80211/rate.h
+++ b/net/mac80211/rate.h
@@ -19,77 +19,48 @@
 #include "ieee80211_i.h"
 #include "sta_info.h"
 
-/**
- * struct rate_selection - rate selection for rate control algos
- * @rate: selected transmission rate index
- * @nonerp: Non-ERP rate to use instead if ERP cannot be used
- * @probe: rate for probing (or -1)
- *
- */
-struct rate_selection {
-	s8 rate_idx, nonerp_idx, probe_idx;
-};
-
-struct rate_control_ops {
-	struct module *module;
-	const char *name;
-	void (*tx_status)(void *priv, struct net_device *dev,
-			  struct sk_buff *skb);
-	void (*get_rate)(void *priv, struct net_device *dev,
-			 struct ieee80211_supported_band *band,
-			 struct sk_buff *skb,
-			 struct rate_selection *sel);
-	void (*rate_init)(void *priv, void *priv_sta,
-			  struct ieee80211_local *local, struct sta_info *sta);
-	void (*clear)(void *priv);
-
-	void *(*alloc)(struct ieee80211_local *local);
-	void (*free)(void *priv);
-	void *(*alloc_sta)(void *priv, gfp_t gfp);
-	void (*free_sta)(void *priv, void *priv_sta);
-
-	int (*add_attrs)(void *priv, struct kobject *kobj);
-	void (*remove_attrs)(void *priv, struct kobject *kobj);
-	void (*add_sta_debugfs)(void *priv, void *priv_sta,
-				struct dentry *dir);
-	void (*remove_sta_debugfs)(void *priv, void *priv_sta);
-};
-
 struct rate_control_ref {
+	struct ieee80211_local *local;
 	struct rate_control_ops *ops;
 	void *priv;
 	struct kref kref;
 };
 
-int ieee80211_rate_control_register(struct rate_control_ops *ops);
-void ieee80211_rate_control_unregister(struct rate_control_ops *ops);
-
 /* Get a reference to the rate control algorithm. If `name' is NULL, get the
  * first available algorithm. */
 struct rate_control_ref *rate_control_alloc(const char *name,
 					    struct ieee80211_local *local);
-void rate_control_get_rate(struct net_device *dev,
+void rate_control_get_rate(struct ieee80211_sub_if_data *sdata,
 			   struct ieee80211_supported_band *sband,
-			   struct sk_buff *skb,
+			   struct sta_info *sta, struct sk_buff *skb,
 			   struct rate_selection *sel);
 struct rate_control_ref *rate_control_get(struct rate_control_ref *ref);
 void rate_control_put(struct rate_control_ref *ref);
 
-static inline void rate_control_tx_status(struct net_device *dev,
+static inline void rate_control_tx_status(struct ieee80211_local *local,
+					  struct ieee80211_supported_band *sband,
+					  struct sta_info *sta,
 					  struct sk_buff *skb)
 {
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 	struct rate_control_ref *ref = local->rate_ctrl;
+	struct ieee80211_sta *ista = &sta->sta;
+	void *priv_sta = sta->rate_ctrl_priv;
 
-	ref->ops->tx_status(ref->priv, dev, skb);
+	ref->ops->tx_status(ref->priv, sband, ista, priv_sta, skb);
 }
 
 
-static inline void rate_control_rate_init(struct sta_info *sta,
-					  struct ieee80211_local *local)
+static inline void rate_control_rate_init(struct sta_info *sta)
 {
+	struct ieee80211_local *local = sta->sdata->local;
 	struct rate_control_ref *ref = sta->rate_ctrl;
-	ref->ops->rate_init(ref->priv, sta->rate_ctrl_priv, local, sta);
+	struct ieee80211_sta *ista = &sta->sta;
+	void *priv_sta = sta->rate_ctrl_priv;
+	struct ieee80211_supported_band *sband;
+
+	sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
+
+	ref->ops->rate_init(ref->priv, sband, ista, priv_sta);
 }
 
 
@@ -100,15 +71,19 @@ static inline void rate_control_clear(struct ieee80211_local *local)
 }
 
 static inline void *rate_control_alloc_sta(struct rate_control_ref *ref,
+					   struct ieee80211_sta *sta,
 					   gfp_t gfp)
 {
-	return ref->ops->alloc_sta(ref->priv, gfp);
+	return ref->ops->alloc_sta(ref->priv, sta, gfp);
 }
 
-static inline void rate_control_free_sta(struct rate_control_ref *ref,
-					 void *priv)
+static inline void rate_control_free_sta(struct sta_info *sta)
 {
-	ref->ops->free_sta(ref->priv, priv);
+	struct rate_control_ref *ref = sta->rate_ctrl;
+	struct ieee80211_sta *ista = &sta->sta;
+	void *priv_sta = sta->rate_ctrl_priv;
+
+	ref->ops->free_sta(ref->priv, ista, priv_sta);
 }
 
 static inline void rate_control_add_sta_debugfs(struct sta_info *sta)
@@ -130,31 +105,6 @@ static inline void rate_control_remove_sta_debugfs(struct sta_info *sta)
 #endif
 }
 
-static inline int rate_supported(struct sta_info *sta,
-				 enum ieee80211_band band,
-				 int index)
-{
-	return (sta == NULL || sta->supp_rates[band] & BIT(index));
-}
-
-static inline s8
-rate_lowest_index(struct ieee80211_local *local,
-		  struct ieee80211_supported_band *sband,
-		  struct sta_info *sta)
-{
-	int i;
-
-	for (i = 0; i < sband->n_bitrates; i++)
-		if (rate_supported(sta, sband->band, i))
-			return i;
-
-	/* warn when we cannot find a rate. */
-	WARN_ON(1);
-
-	return 0;
-}
-
-
 /* functions for rate control related to a device */
 int ieee80211_init_rate_ctrl_alg(struct ieee80211_local *local,
 				 const char *name);
@@ -175,4 +125,18 @@ static inline void rc80211_pid_exit(void)
 }
 #endif
 
+#ifdef CONFIG_MAC80211_RC_MINSTREL
+extern int rc80211_minstrel_init(void);
+extern void rc80211_minstrel_exit(void);
+#else
+static inline int rc80211_minstrel_init(void)
+{
+	return 0;
+}
+static inline void rc80211_minstrel_exit(void)
+{
+}
+#endif
+
+
 #endif /* IEEE80211_RATE_H */
diff --git a/net/mac80211/rc80211_minstrel.c b/net/mac80211/rc80211_minstrel.c
new file mode 100644
index 00000000000..f6d69dab07a
--- /dev/null
+++ b/net/mac80211/rc80211_minstrel.c
@@ -0,0 +1,583 @@
+/*
+ * Copyright (C) 2008 Felix Fietkau <nbd@openwrt.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Based on minstrel.c:
+ *   Copyright (C) 2005-2007 Derek Smithies <derek@indranet.co.nz>
+ *   Sponsored by Indranet Technologies Ltd
+ *
+ * Based on sample.c:
+ *   Copyright (c) 2005 John Bicket
+ *   All rights reserved.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
+ *   are met:
+ *   1. Redistributions of source code must retain the above copyright
+ *      notice, this list of conditions and the following disclaimer,
+ *      without modification.
+ *   2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *      similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
+ *      redistribution must be conditioned upon including a substantially
+ *      similar Disclaimer requirement for further binary redistribution.
+ *   3. Neither the names of the above-listed copyright holders nor the names
+ *      of any contributors may be used to endorse or promote products derived
+ *      from this software without specific prior written permission.
+ *
+ *   Alternatively, this software may be distributed under the terms of the
+ *   GNU General Public License ("GPL") version 2 as published by the Free
+ *   Software Foundation.
+ *
+ *   NO WARRANTY
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
+ *   AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+ *   THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
+ *   OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *   SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ *   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
+ *   IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ *   ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ *   THE POSSIBILITY OF SUCH DAMAGES.
+ */
+#include <linux/netdevice.h>
+#include <linux/types.h>
+#include <linux/skbuff.h>
+#include <linux/debugfs.h>
+#include <linux/random.h>
+#include <linux/ieee80211.h>
+#include <net/mac80211.h>
+#include "rate.h"
+#include "rc80211_minstrel.h"
+
+#define SAMPLE_COLUMNS	10
+#define SAMPLE_TBL(_mi, _idx, _col) \
+		_mi->sample_table[(_idx * SAMPLE_COLUMNS) + _col]
+
+/* convert mac80211 rate index to local array index */
+static inline int
+rix_to_ndx(struct minstrel_sta_info *mi, int rix)
+{
+	int i = rix;
+	for (i = rix; i >= 0; i--)
+		if (mi->r[i].rix == rix)
+			break;
+	WARN_ON(mi->r[i].rix != rix);
+	return i;
+}
+
+static inline bool
+use_low_rate(struct sk_buff *skb)
+{
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
+	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+	u16 fc;
+
+	fc = le16_to_cpu(hdr->frame_control);
+
+	return ((info->flags & IEEE80211_TX_CTL_NO_ACK) ||
+		(fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA ||
+		is_multicast_ether_addr(hdr->addr1));
+}
+
+
+static void
+minstrel_update_stats(struct minstrel_priv *mp, struct minstrel_sta_info *mi)
+{
+	u32 max_tp = 0, index_max_tp = 0, index_max_tp2 = 0;
+	u32 max_prob = 0, index_max_prob = 0;
+	u32 usecs;
+	u32 p;
+	int i;
+
+	mi->stats_update = jiffies;
+	for (i = 0; i < mi->n_rates; i++) {
+		struct minstrel_rate *mr = &mi->r[i];
+
+		usecs = mr->perfect_tx_time;
+		if (!usecs)
+			usecs = 1000000;
+
+		/* To avoid rounding issues, probabilities scale from 0 (0%)
+		 * to 18000 (100%) */
+		if (mr->attempts) {
+			p = (mr->success * 18000) / mr->attempts;
+			mr->succ_hist += mr->success;
+			mr->att_hist += mr->attempts;
+			mr->cur_prob = p;
+			p = ((p * (100 - mp->ewma_level)) + (mr->probability *
+				mp->ewma_level)) / 100;
+			mr->probability = p;
+			mr->cur_tp = p * (1000000 / usecs);
+		}
+
+		mr->last_success = mr->success;
+		mr->last_attempts = mr->attempts;
+		mr->success = 0;
+		mr->attempts = 0;
+
+		/* Sample less often below the 10% chance of success.
+		 * Sample less often above the 95% chance of success. */
+		if ((mr->probability > 17100) || (mr->probability < 1800)) {
+			mr->adjusted_retry_count = mr->retry_count >> 1;
+			if (mr->adjusted_retry_count > 2)
+				mr->adjusted_retry_count = 2;
+		} else {
+			mr->adjusted_retry_count = mr->retry_count;
+		}
+		if (!mr->adjusted_retry_count)
+			mr->adjusted_retry_count = 2;
+	}
+
+	for (i = 0; i < mi->n_rates; i++) {
+		struct minstrel_rate *mr = &mi->r[i];
+		if (max_tp < mr->cur_tp) {
+			index_max_tp = i;
+			max_tp = mr->cur_tp;
+		}
+		if (max_prob < mr->probability) {
+			index_max_prob = i;
+			max_prob = mr->probability;
+		}
+	}
+
+	max_tp = 0;
+	for (i = 0; i < mi->n_rates; i++) {
+		struct minstrel_rate *mr = &mi->r[i];
+
+		if (i == index_max_tp)
+			continue;
+
+		if (max_tp < mr->cur_tp) {
+			index_max_tp2 = i;
+			max_tp = mr->cur_tp;
+		}
+	}
+	mi->max_tp_rate = index_max_tp;
+	mi->max_tp_rate2 = index_max_tp2;
+	mi->max_prob_rate = index_max_prob;
+}
+
+static void
+minstrel_tx_status(void *priv, struct ieee80211_supported_band *sband,
+                   struct ieee80211_sta *sta, void *priv_sta,
+		   struct sk_buff *skb)
+{
+	struct minstrel_sta_info *mi = priv_sta;
+	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+	struct ieee80211_tx_altrate *ar = info->status.retries;
+	struct minstrel_priv *mp = priv;
+	int i, ndx, tries;
+	int success = 0;
+
+	if (!info->status.excessive_retries)
+		success = 1;
+
+	if (!mp->has_mrr || (ar[0].rate_idx < 0)) {
+		ndx = rix_to_ndx(mi, info->tx_rate_idx);
+		tries = info->status.retry_count + 1;
+		mi->r[ndx].success += success;
+		mi->r[ndx].attempts += tries;
+		return;
+	}
+
+	for (i = 0; i < 4; i++) {
+		if (ar[i].rate_idx < 0)
+			break;
+
+		ndx = rix_to_ndx(mi, ar[i].rate_idx);
+		mi->r[ndx].attempts += ar[i].limit + 1;
+
+		if ((i != 3) && (ar[i + 1].rate_idx < 0))
+			mi->r[ndx].success += success;
+	}
+
+	if ((info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE) && (i >= 0))
+		mi->sample_count++;
+
+	if (mi->sample_deferred > 0)
+		mi->sample_deferred--;
+}
+
+
+static inline unsigned int
+minstrel_get_retry_count(struct minstrel_rate *mr,
+                         struct ieee80211_tx_info *info)
+{
+	unsigned int retry = mr->adjusted_retry_count;
+
+	if (info->flags & IEEE80211_TX_CTL_USE_RTS_CTS)
+		retry = max(2U, min(mr->retry_count_rtscts, retry));
+	else if (info->flags & IEEE80211_TX_CTL_USE_CTS_PROTECT)
+		retry = max(2U, min(mr->retry_count_cts, retry));
+	return retry;
+}
+
+
+static int
+minstrel_get_next_sample(struct minstrel_sta_info *mi)
+{
+	unsigned int sample_ndx;
+	sample_ndx = SAMPLE_TBL(mi, mi->sample_idx, mi->sample_column);
+	mi->sample_idx++;
+	if (mi->sample_idx > (mi->n_rates - 2)) {
+		mi->sample_idx = 0;
+		mi->sample_column++;
+		if (mi->sample_column >= SAMPLE_COLUMNS)
+			mi->sample_column = 0;
+	}
+	return sample_ndx;
+}
+
+void
+minstrel_get_rate(void *priv, struct ieee80211_supported_band *sband,
+                  struct ieee80211_sta *sta, void *priv_sta,
+                  struct sk_buff *skb, struct rate_selection *sel)
+{
+	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+	struct minstrel_sta_info *mi = priv_sta;
+	struct minstrel_priv *mp = priv;
+	struct ieee80211_tx_altrate *ar = info->control.retries;
+	unsigned int ndx, sample_ndx = 0;
+	bool mrr;
+	bool sample_slower = false;
+	bool sample = false;
+	int i, delta;
+	int mrr_ndx[3];
+	int sample_rate;
+
+	if (!sta || !mi || use_low_rate(skb)) {
+		sel->rate_idx = rate_lowest_index(sband, sta);
+		return;
+	}
+
+	mrr = mp->has_mrr;
+
+	/* mac80211 does not allow mrr for RTS/CTS */
+	if ((info->flags & IEEE80211_TX_CTL_USE_RTS_CTS) ||
+	    (info->flags & IEEE80211_TX_CTL_USE_CTS_PROTECT))
+		mrr = false;
+
+	if (time_after(jiffies, mi->stats_update + (mp->update_interval *
+			HZ) / 1000))
+		minstrel_update_stats(mp, mi);
+
+	ndx = mi->max_tp_rate;
+
+	if (mrr)
+		sample_rate = mp->lookaround_rate_mrr;
+	else
+		sample_rate = mp->lookaround_rate;
+
+	mi->packet_count++;
+	delta = (mi->packet_count * sample_rate / 100) -
+			(mi->sample_count + mi->sample_deferred / 2);
+
+	/* delta > 0: sampling required */
+	if (delta > 0) {
+		if (mi->packet_count >= 10000) {
+			mi->sample_deferred = 0;
+			mi->sample_count = 0;
+			mi->packet_count = 0;
+		} else if (delta > mi->n_rates * 2) {
+			/* With multi-rate retry, not every planned sample
+			 * attempt actually gets used, due to the way the retry
+			 * chain is set up - [max_tp,sample,prob,lowest] for
+			 * sample_rate < max_tp.
+			 *
+			 * If there's too much sampling backlog and the link
+			 * starts getting worse, minstrel would start bursting
+			 * out lots of sampling frames, which would result
+			 * in a large throughput loss. */
+			mi->sample_count += (delta - mi->n_rates * 2);
+		}
+
+		sample_ndx = minstrel_get_next_sample(mi);
+		sample = true;
+		sample_slower = mrr && (mi->r[sample_ndx].perfect_tx_time >
+			mi->r[ndx].perfect_tx_time);
+
+		if (!sample_slower) {
+			ndx = sample_ndx;
+			mi->sample_count++;
+		} else {
+			/* Only use IEEE80211_TX_CTL_RATE_CTRL_PROBE to mark
+			 * packets that have the sampling rate deferred to the
+			 * second MRR stage. Increase the sample counter only
+			 * if the deferred sample rate was actually used.
+			 * Use the sample_deferred counter to make sure that
+			 * the sampling is not done in large bursts */
+			info->flags |= IEEE80211_TX_CTL_RATE_CTRL_PROBE;
+			mi->sample_deferred++;
+		}
+	}
+	sel->rate_idx = mi->r[ndx].rix;
+	info->control.retry_limit = minstrel_get_retry_count(&mi->r[ndx], info);
+
+	if (!mrr) {
+		ar[0].rate_idx = mi->lowest_rix;
+		ar[0].limit = mp->max_retry;
+		ar[1].rate_idx = -1;
+		return;
+	}
+
+	/* MRR setup */
+	if (sample) {
+		if (sample_slower)
+			mrr_ndx[0] = sample_ndx;
+		else
+			mrr_ndx[0] = mi->max_tp_rate;
+	} else {
+		mrr_ndx[0] = mi->max_tp_rate2;
+	}
+	mrr_ndx[1] = mi->max_prob_rate;
+	mrr_ndx[2] = 0;
+	for (i = 0; i < 3; i++) {
+		ar[i].rate_idx = mi->r[mrr_ndx[i]].rix;
+		ar[i].limit = mi->r[mrr_ndx[i]].adjusted_retry_count;
+	}
+}
+
+
+static void
+calc_rate_durations(struct minstrel_sta_info *mi, struct ieee80211_local *local,
+                    struct minstrel_rate *d, struct ieee80211_rate *rate)
+{
+	int erp = !!(rate->flags & IEEE80211_RATE_ERP_G);
+
+	d->perfect_tx_time = ieee80211_frame_duration(local, 1200,
+			rate->bitrate, erp, 1);
+	d->ack_time = ieee80211_frame_duration(local, 10,
+			rate->bitrate, erp, 1);
+}
+
+static void
+init_sample_table(struct minstrel_sta_info *mi)
+{
+	unsigned int i, col, new_idx;
+	unsigned int n_srates = mi->n_rates - 1;
+	u8 rnd[8];
+
+	mi->sample_column = 0;
+	mi->sample_idx = 0;
+	memset(mi->sample_table, 0, SAMPLE_COLUMNS * mi->n_rates);
+
+	for (col = 0; col < SAMPLE_COLUMNS; col++) {
+		for (i = 0; i < n_srates; i++) {
+			get_random_bytes(rnd, sizeof(rnd));
+			new_idx = (i + rnd[i & 7]) % n_srates;
+
+			while (SAMPLE_TBL(mi, new_idx, col) != 0)
+				new_idx = (new_idx + 1) % n_srates;
+
+			/* Don't sample the slowest rate (i.e. slowest base
+			 * rate). We must presume that the slowest rate works
+			 * fine, or else other management frames will also be
+			 * failing and the link will break */
+			SAMPLE_TBL(mi, new_idx, col) = i + 1;
+		}
+	}
+}
+
+static void
+minstrel_rate_init(void *priv, struct ieee80211_supported_band *sband,
+               struct ieee80211_sta *sta, void *priv_sta)
+{
+	struct minstrel_sta_info *mi = priv_sta;
+	struct minstrel_priv *mp = priv;
+	struct minstrel_rate *mr_ctl;
+	unsigned int i, n = 0;
+	unsigned int t_slot = 9; /* FIXME: get real slot time */
+
+	mi->lowest_rix = rate_lowest_index(sband, sta);
+	mr_ctl = &mi->r[rix_to_ndx(mi, mi->lowest_rix)];
+	mi->sp_ack_dur = mr_ctl->ack_time;
+
+	for (i = 0; i < sband->n_bitrates; i++) {
+		struct minstrel_rate *mr = &mi->r[n];
+		unsigned int tx_time = 0, tx_time_cts = 0, tx_time_rtscts = 0;
+		unsigned int tx_time_single;
+		unsigned int cw = mp->cw_min;
+
+		if (!rate_supported(sta, sband->band, i))
+			continue;
+		n++;
+		memset(mr, 0, sizeof(*mr));
+
+		mr->rix = i;
+		mr->bitrate = sband->bitrates[i].bitrate / 5;
+		calc_rate_durations(mi, hw_to_local(mp->hw), mr,
+				&sband->bitrates[i]);
+
+		/* calculate maximum number of retransmissions before
+		 * fallback (based on maximum segment size) */
+		mr->retry_count = 1;
+		mr->retry_count_cts = 1;
+		mr->retry_count_rtscts = 1;
+		tx_time = mr->perfect_tx_time + mi->sp_ack_dur;
+		do {
+			/* add one retransmission */
+			tx_time_single = mr->ack_time + mr->perfect_tx_time;
+
+			/* contention window */
+			tx_time_single += t_slot + min(cw, mp->cw_max);
+			cw = (cw + 1) << 1;
+
+			tx_time += tx_time_single;
+			tx_time_cts += tx_time_single + mi->sp_ack_dur;
+			tx_time_rtscts += tx_time_single + 2 * mi->sp_ack_dur;
+			if ((tx_time_cts < mp->segment_size) &&
+				(mr->retry_count_cts < mp->max_retry))
+				mr->retry_count_cts++;
+			if ((tx_time_rtscts < mp->segment_size) &&
+				(mr->retry_count_rtscts < mp->max_retry))
+				mr->retry_count_rtscts++;
+		} while ((tx_time < mp->segment_size) &&
+				(++mr->retry_count < mp->max_retry));
+		mr->adjusted_retry_count = mr->retry_count;
+	}
+
+	for (i = n; i < sband->n_bitrates; i++) {
+		struct minstrel_rate *mr = &mi->r[i];
+		mr->rix = -1;
+	}
+
+	mi->n_rates = n;
+	mi->stats_update = jiffies;
+
+	init_sample_table(mi);
+}
+
+static void *
+minstrel_alloc_sta(void *priv, struct ieee80211_sta *sta, gfp_t gfp)
+{
+	struct ieee80211_supported_band *sband;
+	struct minstrel_sta_info *mi;
+	struct minstrel_priv *mp = priv;
+	struct ieee80211_hw *hw = mp->hw;
+	int max_rates = 0;
+	int i;
+
+	mi = kzalloc(sizeof(struct minstrel_sta_info), gfp);
+	if (!mi)
+		return NULL;
+
+	for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
+		sband = hw->wiphy->bands[hw->conf.channel->band];
+		if (sband->n_bitrates > max_rates)
+			max_rates = sband->n_bitrates;
+	}
+
+	mi->r = kzalloc(sizeof(struct minstrel_rate) * max_rates, gfp);
+	if (!mi->r)
+		goto error;
+
+	mi->sample_table = kmalloc(SAMPLE_COLUMNS * max_rates, gfp);
+	if (!mi->sample_table)
+		goto error1;
+
+	mi->stats_update = jiffies;
+	return mi;
+
+error1:
+	kfree(mi->r);
+error:
+	kfree(mi);
+	return NULL;
+}
+
+static void
+minstrel_free_sta(void *priv, struct ieee80211_sta *sta, void *priv_sta)
+{
+	struct minstrel_sta_info *mi = priv_sta;
+
+	kfree(mi->sample_table);
+	kfree(mi->r);
+	kfree(mi);
+}
+
+static void
+minstrel_clear(void *priv)
+{
+}
+
+static void *
+minstrel_alloc(struct ieee80211_hw *hw, struct dentry *debugfsdir)
+{
+	struct minstrel_priv *mp;
+
+	mp = kzalloc(sizeof(struct minstrel_priv), GFP_ATOMIC);
+	if (!mp)
+		return NULL;
+
+	/* contention window settings
+	 * Just an approximation. Using the per-queue values would complicate
+	 * the calculations and is probably unnecessary */
+	mp->cw_min = 15;
+	mp->cw_max = 1023;
+
+	/* number of packets (in %) to use for sampling other rates
+	 * sample less often for non-mrr packets, because the overhead
+	 * is much higher than with mrr */
+	mp->lookaround_rate = 5;
+	mp->lookaround_rate_mrr = 10;
+
+	/* moving average weight for EWMA */
+	mp->ewma_level = 75;
+
+	/* maximum time that the hw is allowed to stay in one MRR segment */
+	mp->segment_size = 6000;
+
+	if (hw->max_altrate_tries > 0)
+		mp->max_retry = hw->max_altrate_tries;
+	else
+		/* safe default, does not necessarily have to match hw properties */
+		mp->max_retry = 7;
+
+	if (hw->max_altrates >= 3)
+		mp->has_mrr = true;
+
+	mp->hw = hw;
+	mp->update_interval = 100;
+
+	return mp;
+}
+
+static void
+minstrel_free(void *priv)
+{
+	kfree(priv);
+}
+
+static struct rate_control_ops mac80211_minstrel = {
+	.name = "minstrel",
+	.tx_status = minstrel_tx_status,
+	.get_rate = minstrel_get_rate,
+	.rate_init = minstrel_rate_init,
+	.clear = minstrel_clear,
+	.alloc = minstrel_alloc,
+	.free = minstrel_free,
+	.alloc_sta = minstrel_alloc_sta,
+	.free_sta = minstrel_free_sta,
+#ifdef CONFIG_MAC80211_DEBUGFS
+	.add_sta_debugfs = minstrel_add_sta_debugfs,
+	.remove_sta_debugfs = minstrel_remove_sta_debugfs,
+#endif
+};
+
+int __init
+rc80211_minstrel_init(void)
+{
+	return ieee80211_rate_control_register(&mac80211_minstrel);
+}
+
+void
+rc80211_minstrel_exit(void)
+{
+	ieee80211_rate_control_unregister(&mac80211_minstrel);
+}
+
diff --git a/net/mac80211/rc80211_minstrel.h b/net/mac80211/rc80211_minstrel.h
new file mode 100644
index 00000000000..9a90a6aee04
--- /dev/null
+++ b/net/mac80211/rc80211_minstrel.h
@@ -0,0 +1,85 @@
+/*
+ * Copyright (C) 2008 Felix Fietkau <nbd@openwrt.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __RC_MINSTREL_H
+#define __RC_MINSTREL_H
+
+struct minstrel_rate {
+	int bitrate;
+	int rix;
+
+	unsigned int perfect_tx_time;
+	unsigned int ack_time;
+
+	unsigned int retry_count;
+	unsigned int retry_count_cts;
+	unsigned int retry_count_rtscts;
+	unsigned int adjusted_retry_count;
+
+	u32 success;
+	u32 attempts;
+	u32 last_attempts;
+	u32 last_success;
+
+	/* parts per thousand */
+	u32 cur_prob;
+	u32 probability;
+
+	/* per-rate throughput */
+	u32 cur_tp;
+	u32 throughput;
+
+	u64 succ_hist;
+	u64 att_hist;
+};
+
+struct minstrel_sta_info {
+	unsigned long stats_update;
+	unsigned int sp_ack_dur;
+	unsigned int rate_avg;
+
+	unsigned int lowest_rix;
+
+	unsigned int max_tp_rate;
+	unsigned int max_tp_rate2;
+	unsigned int max_prob_rate;
+	unsigned int packet_count;
+	unsigned int sample_count;
+	int sample_deferred;
+
+	unsigned int sample_idx;
+	unsigned int sample_column;
+
+	int n_rates;
+	struct minstrel_rate *r;
+
+	/* sampling table */
+	u8 *sample_table;
+
+#ifdef CONFIG_MAC80211_DEBUGFS
+	struct dentry *dbg_stats;
+#endif
+};
+
+struct minstrel_priv {
+	struct ieee80211_hw *hw;
+	bool has_mrr;
+	unsigned int cw_min;
+	unsigned int cw_max;
+	unsigned int max_retry;
+	unsigned int ewma_level;
+	unsigned int segment_size;
+	unsigned int update_interval;
+	unsigned int lookaround_rate;
+	unsigned int lookaround_rate_mrr;
+};
+
+void minstrel_add_sta_debugfs(void *priv, void *priv_sta, struct dentry *dir);
+void minstrel_remove_sta_debugfs(void *priv, void *priv_sta);
+
+#endif
diff --git a/net/mac80211/rc80211_minstrel_debugfs.c b/net/mac80211/rc80211_minstrel_debugfs.c
new file mode 100644
index 00000000000..0b024cd6b80
--- /dev/null
+++ b/net/mac80211/rc80211_minstrel_debugfs.c
@@ -0,0 +1,164 @@
+/*
+ * Copyright (C) 2008 Felix Fietkau <nbd@openwrt.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Based on minstrel.c:
+ *   Copyright (C) 2005-2007 Derek Smithies <derek@indranet.co.nz>
+ *   Sponsored by Indranet Technologies Ltd
+ *
+ * Based on sample.c:
+ *   Copyright (c) 2005 John Bicket
+ *   All rights reserved.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
+ *   are met:
+ *   1. Redistributions of source code must retain the above copyright
+ *      notice, this list of conditions and the following disclaimer,
+ *      without modification.
+ *   2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *      similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
+ *      redistribution must be conditioned upon including a substantially
+ *      similar Disclaimer requirement for further binary redistribution.
+ *   3. Neither the names of the above-listed copyright holders nor the names
+ *      of any contributors may be used to endorse or promote products derived
+ *      from this software without specific prior written permission.
+ *
+ *   Alternatively, this software may be distributed under the terms of the
+ *   GNU General Public License ("GPL") version 2 as published by the Free
+ *   Software Foundation.
+ *
+ *   NO WARRANTY
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
+ *   AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+ *   THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
+ *   OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *   SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ *   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
+ *   IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ *   ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ *   THE POSSIBILITY OF SUCH DAMAGES.
+ */
+#include <linux/netdevice.h>
+#include <linux/types.h>
+#include <linux/skbuff.h>
+#include <linux/debugfs.h>
+#include <linux/ieee80211.h>
+#include <net/mac80211.h>
+#include "rc80211_minstrel.h"
+
+struct minstrel_stats_info {
+	struct minstrel_sta_info *mi;
+	char buf[4096];
+	size_t len;
+};
+
+static int
+minstrel_stats_open(struct inode *inode, struct file *file)
+{
+	struct minstrel_sta_info *mi = inode->i_private;
+	struct minstrel_stats_info *ms;
+	unsigned int i, tp, prob, eprob;
+	char *p;
+
+	ms = kmalloc(sizeof(*ms), GFP_KERNEL);
+	if (!ms)
+		return -ENOMEM;
+
+	file->private_data = ms;
+	p = ms->buf;
+	p += sprintf(p, "rate     throughput  ewma prob   this prob  "
+			"this succ/attempt   success    attempts\n");
+	for (i = 0; i < mi->n_rates; i++) {
+		struct minstrel_rate *mr = &mi->r[i];
+
+		*(p++) = (i == mi->max_tp_rate) ? 'T' : ' ';
+		*(p++) = (i == mi->max_tp_rate2) ? 't' : ' ';
+		*(p++) = (i == mi->max_prob_rate) ? 'P' : ' ';
+		p += sprintf(p, "%3u%s", mr->bitrate / 2,
+				(mr->bitrate & 1 ? ".5" : "  "));
+
+		tp = ((mr->cur_tp * 96) / 18000) >> 10;
+		prob = mr->cur_prob / 18;
+		eprob = mr->probability / 18;
+
+		p += sprintf(p, "  %6u.%1u   %6u.%1u   %6u.%1u        "
+				"%3u(%3u)   %8llu    %8llu\n",
+				tp / 10, tp % 10,
+				eprob / 10, eprob % 10,
+				prob / 10, prob % 10,
+				mr->last_success,
+				mr->last_attempts,
+				mr->succ_hist,
+				mr->att_hist);
+	}
+	p += sprintf(p, "\nTotal packet count::    ideal %d      "
+			"lookaround %d\n\n",
+			mi->packet_count - mi->sample_count,
+			mi->sample_count);
+	ms->len = p - ms->buf;
+
+	return 0;
+}
+
+static int
+minstrel_stats_read(struct file *file, char __user *buf, size_t len, loff_t *o)
+{
+	struct minstrel_stats_info *ms;
+	char *src;
+
+	ms = file->private_data;
+	src = ms->buf;
+
+	len = min(len, ms->len);
+	if (len <= *o)
+		return 0;
+
+	src += *o;
+	len -= *o;
+	*o += len;
+
+	if (copy_to_user(buf, src, len))
+		return -EFAULT;
+
+	return len;
+}
+
+static int
+minstrel_stats_release(struct inode *inode, struct file *file)
+{
+	struct minstrel_stats_info *ms = file->private_data;
+
+	kfree(ms);
+
+	return 0;
+}
+
+static struct file_operations minstrel_stat_fops = {
+	.owner = THIS_MODULE,
+	.open = minstrel_stats_open,
+	.read = minstrel_stats_read,
+	.release = minstrel_stats_release,
+};
+
+void
+minstrel_add_sta_debugfs(void *priv, void *priv_sta, struct dentry *dir)
+{
+	struct minstrel_sta_info *mi = priv_sta;
+
+	mi->dbg_stats = debugfs_create_file("rc_stats", S_IRUGO, dir, mi,
+			&minstrel_stat_fops);
+}
+
+void
+minstrel_remove_sta_debugfs(void *priv, void *priv_sta)
+{
+	struct minstrel_sta_info *mi = priv_sta;
+
+	debugfs_remove(mi->dbg_stats);
+}
diff --git a/net/mac80211/rc80211_pid.h b/net/mac80211/rc80211_pid.h
index 0a9135b974b..01d64d53f3b 100644
--- a/net/mac80211/rc80211_pid.h
+++ b/net/mac80211/rc80211_pid.h
@@ -124,7 +124,6 @@ struct rc_pid_events_file_info {
  * struct rc_pid_debugfs_entries - tunable parameters
  *
  * Algorithm parameters, tunable via debugfs.
- * @dir: the debugfs directory for a specific phy
  * @target: target percentage for failed frames
  * @sampling_period: error sampling interval in milliseconds
  * @coeff_p: absolute value of the proportional coefficient
@@ -143,7 +142,6 @@ struct rc_pid_events_file_info {
  *	ordering of rates)
  */
 struct rc_pid_debugfs_entries {
-	struct dentry *dir;
 	struct dentry *target;
 	struct dentry *sampling_period;
 	struct dentry *coeff_p;
@@ -180,6 +178,8 @@ struct rc_pid_sta_info {
 	u32 tx_num_failed;
 	u32 tx_num_xmit;
 
+	int txrate_idx;
+
 	/* Average failed frames percentage error (i.e. actual vs. target
 	 * percentage), scaled by RC_PID_SMOOTHING. This value is computed
 	 * using using an exponential weighted average technique:
diff --git a/net/mac80211/rc80211_pid_algo.c b/net/mac80211/rc80211_pid_algo.c
index a914ba73ccf..86eb374e3b8 100644
--- a/net/mac80211/rc80211_pid_algo.c
+++ b/net/mac80211/rc80211_pid_algo.c
@@ -68,17 +68,14 @@
  * exhibited a worse failed frames behaviour and we'll choose the highest rate
  * whose failed frames behaviour is not worse than the one of the original rate
  * target. While at it, check that the new rate is valid. */
-static void rate_control_pid_adjust_rate(struct ieee80211_local *local,
-					 struct sta_info *sta, int adj,
+static void rate_control_pid_adjust_rate(struct ieee80211_supported_band *sband,
+					 struct ieee80211_sta *sta,
+					 struct rc_pid_sta_info *spinfo, int adj,
 					 struct rc_pid_rateinfo *rinfo)
 {
-	struct ieee80211_sub_if_data *sdata;
-	struct ieee80211_supported_band *sband;
 	int cur_sorted, new_sorted, probe, tmp, n_bitrates, band;
-	int cur = sta->txrate_idx;
+	int cur = spinfo->txrate_idx;
 
-	sdata = sta->sdata;
-	sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
 	band = sband->band;
 	n_bitrates = sband->n_bitrates;
 
@@ -111,7 +108,7 @@ static void rate_control_pid_adjust_rate(struct ieee80211_local *local,
 	/* Fit the rate found to the nearest supported rate. */
 	do {
 		if (rate_supported(sta, band, rinfo[tmp].index)) {
-			sta->txrate_idx = rinfo[tmp].index;
+			spinfo->txrate_idx = rinfo[tmp].index;
 			break;
 		}
 		if (adj < 0)
@@ -121,9 +118,9 @@ static void rate_control_pid_adjust_rate(struct ieee80211_local *local,
 	} while (tmp < n_bitrates && tmp >= 0);
 
 #ifdef CONFIG_MAC80211_DEBUGFS
-	rate_control_pid_event_rate_change(
-		&((struct rc_pid_sta_info *)sta->rate_ctrl_priv)->events,
-		sta->txrate_idx, sband->bitrates[sta->txrate_idx].bitrate);
+	rate_control_pid_event_rate_change(&spinfo->events,
+		spinfo->txrate_idx,
+		sband->bitrates[spinfo->txrate_idx].bitrate);
 #endif
 }
 
@@ -145,15 +142,11 @@ static void rate_control_pid_normalize(struct rc_pid_info *pinfo, int l)
 }
 
 static void rate_control_pid_sample(struct rc_pid_info *pinfo,
-				    struct ieee80211_local *local,
-				    struct sta_info *sta)
+				    struct ieee80211_supported_band *sband,
+				    struct ieee80211_sta *sta,
+				    struct rc_pid_sta_info *spinfo)
 {
-#ifdef CONFIG_MAC80211_MESH
-	struct ieee80211_sub_if_data *sdata = sta->sdata;
-#endif
-	struct rc_pid_sta_info *spinfo = sta->rate_ctrl_priv;
 	struct rc_pid_rateinfo *rinfo = pinfo->rinfo;
-	struct ieee80211_supported_band *sband;
 	u32 pf;
 	s32 err_avg;
 	u32 err_prop;
@@ -162,9 +155,6 @@ static void rate_control_pid_sample(struct rc_pid_info *pinfo,
 	int adj, i, j, tmp;
 	unsigned long period;
 
-	sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
-	spinfo = sta->rate_ctrl_priv;
-
 	/* In case nothing happened during the previous control interval, turn
 	 * the sharpening factor on. */
 	period = (HZ * pinfo->sampling_period + 500) / 1000;
@@ -180,14 +170,15 @@ static void rate_control_pid_sample(struct rc_pid_info *pinfo,
 	if (unlikely(spinfo->tx_num_xmit == 0))
 		pf = spinfo->last_pf;
 	else {
+		/* XXX: BAD HACK!!! */
+		struct sta_info *si = container_of(sta, struct sta_info, sta);
+
 		pf = spinfo->tx_num_failed * 100 / spinfo->tx_num_xmit;
-#ifdef CONFIG_MAC80211_MESH
-		if (pf == 100 &&
-		    sdata->vif.type == IEEE80211_IF_TYPE_MESH_POINT)
-			mesh_plink_broken(sta);
-#endif
+
+		if (ieee80211_vif_is_mesh(&si->sdata->vif) && pf == 100)
+			mesh_plink_broken(si);
 		pf <<= RC_PID_ARITH_SHIFT;
-		sta->fail_avg = ((pf + (spinfo->last_pf << 3)) / 9)
+		si->fail_avg = ((pf + (spinfo->last_pf << 3)) / 9)
 					>> RC_PID_ARITH_SHIFT;
 	}
 
@@ -195,16 +186,16 @@ static void rate_control_pid_sample(struct rc_pid_info *pinfo,
 	spinfo->tx_num_failed = 0;
 
 	/* If we just switched rate, update the rate behaviour info. */
-	if (pinfo->oldrate != sta->txrate_idx) {
+	if (pinfo->oldrate != spinfo->txrate_idx) {
 
 		i = rinfo[pinfo->oldrate].rev_index;
-		j = rinfo[sta->txrate_idx].rev_index;
+		j = rinfo[spinfo->txrate_idx].rev_index;
 
 		tmp = (pf - spinfo->last_pf);
 		tmp = RC_PID_DO_ARITH_RIGHT_SHIFT(tmp, RC_PID_ARITH_SHIFT);
 
 		rinfo[j].diff = rinfo[i].diff + tmp;
-		pinfo->oldrate = sta->txrate_idx;
+		pinfo->oldrate = spinfo->txrate_idx;
 	}
 	rate_control_pid_normalize(pinfo, sband->n_bitrates);
 
@@ -233,43 +224,26 @@ static void rate_control_pid_sample(struct rc_pid_info *pinfo,
 
 	/* Change rate. */
 	if (adj)
-		rate_control_pid_adjust_rate(local, sta, adj, rinfo);
+		rate_control_pid_adjust_rate(sband, sta, spinfo, adj, rinfo);
 }
 
-static void rate_control_pid_tx_status(void *priv, struct net_device *dev,
+static void rate_control_pid_tx_status(void *priv, struct ieee80211_supported_band *sband,
+				       struct ieee80211_sta *sta, void *priv_sta,
 				       struct sk_buff *skb)
 {
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
-	struct ieee80211_sub_if_data *sdata;
 	struct rc_pid_info *pinfo = priv;
-	struct sta_info *sta;
-	struct rc_pid_sta_info *spinfo;
+	struct rc_pid_sta_info *spinfo = priv_sta;
 	unsigned long period;
-	struct ieee80211_supported_band *sband;
 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
 
-	rcu_read_lock();
-
-	sta = sta_info_get(local, hdr->addr1);
-	sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
-
-	if (!sta)
-		goto unlock;
-
-	/* Don't update the state if we're not controlling the rate. */
-	sdata = sta->sdata;
-	if (sdata->force_unicast_rateidx > -1) {
-		sta->txrate_idx = sdata->max_ratectrl_rateidx;
-		goto unlock;
-	}
+	if (!spinfo)
+		return;
 
 	/* Ignore all frames that were sent with a different rate than the rate
 	 * we currently advise mac80211 to use. */
-	if (info->tx_rate_idx != sta->txrate_idx)
-		goto unlock;
+	if (info->tx_rate_idx != spinfo->txrate_idx)
+		return;
 
-	spinfo = sta->rate_ctrl_priv;
 	spinfo->tx_num_xmit++;
 
 #ifdef CONFIG_MAC80211_DEBUGFS
@@ -287,93 +261,68 @@ static void rate_control_pid_tx_status(void *priv, struct net_device *dev,
 		spinfo->tx_num_xmit++;
 	}
 
-	if (info->status.excessive_retries) {
-		sta->tx_retry_failed++;
-		sta->tx_num_consecutive_failures++;
-		sta->tx_num_mpdu_fail++;
-	} else {
-		sta->tx_num_consecutive_failures = 0;
-		sta->tx_num_mpdu_ok++;
-	}
-	sta->tx_retry_count += info->status.retry_count;
-	sta->tx_num_mpdu_fail += info->status.retry_count;
-
 	/* Update PID controller state. */
 	period = (HZ * pinfo->sampling_period + 500) / 1000;
 	if (!period)
 		period = 1;
 	if (time_after(jiffies, spinfo->last_sample + period))
-		rate_control_pid_sample(pinfo, local, sta);
-
- unlock:
-	rcu_read_unlock();
+		rate_control_pid_sample(pinfo, sband, sta, spinfo);
 }
 
-static void rate_control_pid_get_rate(void *priv, struct net_device *dev,
-				      struct ieee80211_supported_band *sband,
-				      struct sk_buff *skb,
-				      struct rate_selection *sel)
+static void
+rate_control_pid_get_rate(void *priv, struct ieee80211_supported_band *sband,
+			  struct ieee80211_sta *sta, void *priv_sta,
+			  struct sk_buff *skb,
+			  struct rate_selection *sel)
 {
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
-	struct ieee80211_sub_if_data *sdata;
-	struct sta_info *sta;
+	struct rc_pid_sta_info *spinfo = priv_sta;
 	int rateidx;
 	u16 fc;
 
-	rcu_read_lock();
-
-	sta = sta_info_get(local, hdr->addr1);
-
 	/* Send management frames and broadcast/multicast data using lowest
 	 * rate. */
 	fc = le16_to_cpu(hdr->frame_control);
-	if ((fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA ||
-	    is_multicast_ether_addr(hdr->addr1) || !sta) {
-		sel->rate_idx = rate_lowest_index(local, sband, sta);
-		rcu_read_unlock();
+	if (!sta || !spinfo ||
+	    (fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA ||
+	    is_multicast_ether_addr(hdr->addr1)) {
+		sel->rate_idx = rate_lowest_index(sband, sta);
 		return;
 	}
 
-	/* If a forced rate is in effect, select it. */
-	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	if (sdata->force_unicast_rateidx > -1)
-		sta->txrate_idx = sdata->force_unicast_rateidx;
-
-	rateidx = sta->txrate_idx;
+	rateidx = spinfo->txrate_idx;
 
 	if (rateidx >= sband->n_bitrates)
 		rateidx = sband->n_bitrates - 1;
 
-	sta->last_txrate_idx = rateidx;
-
-	rcu_read_unlock();
-
 	sel->rate_idx = rateidx;
 
 #ifdef CONFIG_MAC80211_DEBUGFS
-	rate_control_pid_event_tx_rate(
-		&((struct rc_pid_sta_info *) sta->rate_ctrl_priv)->events,
+	rate_control_pid_event_tx_rate(&spinfo->events,
 		rateidx, sband->bitrates[rateidx].bitrate);
 #endif
 }
 
-static void rate_control_pid_rate_init(void *priv, void *priv_sta,
-					  struct ieee80211_local *local,
-					  struct sta_info *sta)
+static void
+rate_control_pid_rate_init(void *priv, struct ieee80211_supported_band *sband,
+			   struct ieee80211_sta *sta, void *priv_sta)
 {
+	struct rc_pid_sta_info *spinfo = priv_sta;
+	struct sta_info *si;
+
 	/* TODO: This routine should consider using RSSI from previous packets
 	 * as we need to have IEEE 802.1X auth succeed immediately after assoc..
 	 * Until that method is implemented, we will use the lowest supported
 	 * rate as a workaround. */
-	struct ieee80211_supported_band *sband;
 
-	sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
-	sta->txrate_idx = rate_lowest_index(local, sband, sta);
-	sta->fail_avg = 0;
+	spinfo->txrate_idx = rate_lowest_index(sband, sta);
+	/* HACK */
+	si = container_of(sta, struct sta_info, sta);
+	si->fail_avg = 0;
 }
 
-static void *rate_control_pid_alloc(struct ieee80211_local *local)
+static void *rate_control_pid_alloc(struct ieee80211_hw *hw,
+				    struct dentry *debugfsdir)
 {
 	struct rc_pid_info *pinfo;
 	struct rc_pid_rateinfo *rinfo;
@@ -384,7 +333,7 @@ static void *rate_control_pid_alloc(struct ieee80211_local *local)
 	struct rc_pid_debugfs_entries *de;
 #endif
 
-	sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
+	sband = hw->wiphy->bands[hw->conf.channel->band];
 
 	pinfo = kmalloc(sizeof(*pinfo), GFP_ATOMIC);
 	if (!pinfo)
@@ -439,30 +388,28 @@ static void *rate_control_pid_alloc(struct ieee80211_local *local)
 
 #ifdef CONFIG_MAC80211_DEBUGFS
 	de = &pinfo->dentries;
-	de->dir = debugfs_create_dir("rc80211_pid",
-				     local->hw.wiphy->debugfsdir);
 	de->target = debugfs_create_u32("target_pf", S_IRUSR | S_IWUSR,
-					de->dir, &pinfo->target);
+					debugfsdir, &pinfo->target);
 	de->sampling_period = debugfs_create_u32("sampling_period",
-						 S_IRUSR | S_IWUSR, de->dir,
+						 S_IRUSR | S_IWUSR, debugfsdir,
 						 &pinfo->sampling_period);
 	de->coeff_p = debugfs_create_u32("coeff_p", S_IRUSR | S_IWUSR,
-					 de->dir, &pinfo->coeff_p);
+					 debugfsdir, &pinfo->coeff_p);
 	de->coeff_i = debugfs_create_u32("coeff_i", S_IRUSR | S_IWUSR,
-					 de->dir, &pinfo->coeff_i);
+					 debugfsdir, &pinfo->coeff_i);
 	de->coeff_d = debugfs_create_u32("coeff_d", S_IRUSR | S_IWUSR,
-					 de->dir, &pinfo->coeff_d);
+					 debugfsdir, &pinfo->coeff_d);
 	de->smoothing_shift = debugfs_create_u32("smoothing_shift",
-						 S_IRUSR | S_IWUSR, de->dir,
+						 S_IRUSR | S_IWUSR, debugfsdir,
 						 &pinfo->smoothing_shift);
 	de->sharpen_factor = debugfs_create_u32("sharpen_factor",
-					       S_IRUSR | S_IWUSR, de->dir,
+					       S_IRUSR | S_IWUSR, debugfsdir,
 					       &pinfo->sharpen_factor);
 	de->sharpen_duration = debugfs_create_u32("sharpen_duration",
-						  S_IRUSR | S_IWUSR, de->dir,
+						  S_IRUSR | S_IWUSR, debugfsdir,
 						  &pinfo->sharpen_duration);
 	de->norm_offset = debugfs_create_u32("norm_offset",
-					     S_IRUSR | S_IWUSR, de->dir,
+					     S_IRUSR | S_IWUSR, debugfsdir,
 					     &pinfo->norm_offset);
 #endif
 
@@ -484,7 +431,6 @@ static void rate_control_pid_free(void *priv)
 	debugfs_remove(de->coeff_p);
 	debugfs_remove(de->sampling_period);
 	debugfs_remove(de->target);
-	debugfs_remove(de->dir);
 #endif
 
 	kfree(pinfo->rinfo);
@@ -495,7 +441,8 @@ static void rate_control_pid_clear(void *priv)
 {
 }
 
-static void *rate_control_pid_alloc_sta(void *priv, gfp_t gfp)
+static void *rate_control_pid_alloc_sta(void *priv, struct ieee80211_sta *sta,
+					gfp_t gfp)
 {
 	struct rc_pid_sta_info *spinfo;
 
@@ -513,10 +460,10 @@ static void *rate_control_pid_alloc_sta(void *priv, gfp_t gfp)
 	return spinfo;
 }
 
-static void rate_control_pid_free_sta(void *priv, void *priv_sta)
+static void rate_control_pid_free_sta(void *priv, struct ieee80211_sta *sta,
+				      void *priv_sta)
 {
-	struct rc_pid_sta_info *spinfo = priv_sta;
-	kfree(spinfo);
+	kfree(priv_sta);
 }
 
 static struct rate_control_ops mac80211_rcpid = {
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 6db85450519..77e7b014872 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -143,6 +143,8 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local,
 	/* IEEE80211_RADIOTAP_FLAGS */
 	if (local->hw.flags & IEEE80211_HW_RX_INCLUDES_FCS)
 		*pos |= IEEE80211_RADIOTAP_F_FCS;
+	if (status->flag & RX_FLAG_SHORTPRE)
+		*pos |= IEEE80211_RADIOTAP_F_SHORTPRE;
 	pos++;
 
 	/* IEEE80211_RADIOTAP_RATE */
@@ -155,8 +157,11 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local,
 	if (status->band == IEEE80211_BAND_5GHZ)
 		*(__le16 *)pos = cpu_to_le16(IEEE80211_CHAN_OFDM |
 					     IEEE80211_CHAN_5GHZ);
+	else if (rate->flags & IEEE80211_RATE_ERP_G)
+		*(__le16 *)pos = cpu_to_le16(IEEE80211_CHAN_OFDM |
+					     IEEE80211_CHAN_2GHZ);
 	else
-		*(__le16 *)pos = cpu_to_le16(IEEE80211_CHAN_DYN |
+		*(__le16 *)pos = cpu_to_le16(IEEE80211_CHAN_CCK |
 					     IEEE80211_CHAN_2GHZ);
 	pos += 2;
 
@@ -290,7 +295,7 @@ ieee80211_rx_monitor(struct ieee80211_local *local, struct sk_buff *origskb,
 		if (!netif_running(sdata->dev))
 			continue;
 
-		if (sdata->vif.type != IEEE80211_IF_TYPE_MNTR)
+		if (sdata->vif.type != NL80211_IFTYPE_MONITOR)
 			continue;
 
 		if (sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES)
@@ -398,12 +403,12 @@ ieee80211_rx_h_passive_scan(struct ieee80211_rx_data *rx)
 	struct ieee80211_local *local = rx->local;
 	struct sk_buff *skb = rx->skb;
 
-	if (unlikely(local->sta_hw_scanning))
-		return ieee80211_sta_rx_scan(rx->dev, skb, rx->status);
+	if (unlikely(local->hw_scanning))
+		return ieee80211_scan_rx(rx->sdata, skb, rx->status);
 
-	if (unlikely(local->sta_sw_scanning)) {
+	if (unlikely(local->sw_scanning)) {
 		/* drop all the other packets during a software scan anyway */
-		if (ieee80211_sta_rx_scan(rx->dev, skb, rx->status)
+		if (ieee80211_scan_rx(rx->sdata, skb, rx->status)
 		    != RX_QUEUED)
 			dev_kfree_skb(skb);
 		return RX_QUEUED;
@@ -461,7 +466,7 @@ ieee80211_rx_mesh_check(struct ieee80211_rx_data *rx)
 
 	if (ieee80211_is_data(hdr->frame_control) &&
 	    is_multicast_ether_addr(hdr->addr1) &&
-	    mesh_rmc_check(hdr->addr4, msh_h_get(hdr, hdrlen), rx->dev))
+	    mesh_rmc_check(hdr->addr4, msh_h_get(hdr, hdrlen), rx->sdata))
 		return RX_DROP_MONITOR;
 #undef msh_h_get
 
@@ -496,8 +501,8 @@ ieee80211_rx_h_check(struct ieee80211_rx_data *rx)
 	/* Drop disallowed frame classes based on STA auth/assoc state;
 	 * IEEE 802.11, Chap 5.5.
 	 *
-	 * 80211.o does filtering only based on association state, i.e., it
-	 * drops Class 3 frames from not associated stations. hostapd sends
+	 * mac80211 filters only based on association state, i.e. it drops
+	 * Class 3 frames from not associated stations. hostapd sends
 	 * deauth/disassoc frames when needed. In addition, hostapd is
 	 * responsible for filtering on both auth and assoc states.
 	 */
@@ -507,7 +512,7 @@ ieee80211_rx_h_check(struct ieee80211_rx_data *rx)
 
 	if (unlikely((ieee80211_is_data(hdr->frame_control) ||
 		      ieee80211_is_pspoll(hdr->frame_control)) &&
-		     rx->sdata->vif.type != IEEE80211_IF_TYPE_IBSS &&
+		     rx->sdata->vif.type != NL80211_IFTYPE_ADHOC &&
 		     (!rx->sta || !test_sta_flags(rx->sta, WLAN_STA_ASSOC)))) {
 		if ((!ieee80211_has_fromds(hdr->frame_control) &&
 		     !ieee80211_has_tods(hdr->frame_control) &&
@@ -645,32 +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->addr), 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);
@@ -680,7 +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->addr), 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 */
@@ -696,8 +697,8 @@ 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,
-		       print_mac(mac, sta->addr), sta->aid);
+		       "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;
 		dev_queue_xmit(skb);
@@ -710,7 +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)
@@ -719,14 +719,14 @@ ieee80211_rx_h_sta_process(struct ieee80211_rx_data *rx)
 	/* Update last_rx only for IBSS packets which are for the current
 	 * BSSID to avoid keeping the current IBSS network alive in cases where
 	 * other STAs are using different BSSID. */
-	if (rx->sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
+	if (rx->sdata->vif.type == NL80211_IFTYPE_ADHOC) {
 		u8 *bssid = ieee80211_get_bssid(hdr, rx->skb->len,
-						IEEE80211_IF_TYPE_IBSS);
+						NL80211_IFTYPE_ADHOC);
 		if (compare_ether_addr(bssid, rx->sdata->u.sta.bssid) == 0)
 			sta->last_rx = jiffies;
 	} else
 	if (!is_multicast_ether_addr(hdr->addr1) ||
-	    rx->sdata->vif.type == IEEE80211_IF_TYPE_STA) {
+	    rx->sdata->vif.type == NL80211_IFTYPE_STATION) {
 		/* Update last_rx only for unicast frames in order to prevent
 		 * the Probe Request frames (the only broadcast frames from a
 		 * STA in infrastructure mode) from keeping a connection alive.
@@ -746,16 +746,16 @@ ieee80211_rx_h_sta_process(struct ieee80211_rx_data *rx)
 	sta->last_noise = rx->status->noise;
 
 	if (!ieee80211_has_morefrags(hdr->frame_control) &&
-	    (rx->sdata->vif.type == IEEE80211_IF_TYPE_AP ||
-	     rx->sdata->vif.type == IEEE80211_IF_TYPE_VLAN)) {
+	    (rx->sdata->vif.type == NL80211_IFTYPE_AP ||
+	     rx->sdata->vif.type == NL80211_IFTYPE_AP_VLAN)) {
 		/* Change STA power saving mode only in the end of a frame
 		 * 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
@@ -816,7 +816,7 @@ ieee80211_reassemble_add(struct ieee80211_sub_if_data *sdata,
 
 static inline struct ieee80211_fragment_entry *
 ieee80211_reassemble_find(struct ieee80211_sub_if_data *sdata,
-			  u16 fc, unsigned int frag, unsigned int seq,
+			  unsigned int frag, unsigned int seq,
 			  int rx_queue, struct ieee80211_hdr *hdr)
 {
 	struct ieee80211_fragment_entry *entry;
@@ -825,7 +825,6 @@ ieee80211_reassemble_find(struct ieee80211_sub_if_data *sdata,
 	idx = sdata->fragment_next;
 	for (i = 0; i < IEEE80211_FRAGMENT_MAX; i++) {
 		struct ieee80211_hdr *f_hdr;
-		u16 f_fc;
 
 		idx--;
 		if (idx < 0)
@@ -837,10 +836,13 @@ ieee80211_reassemble_find(struct ieee80211_sub_if_data *sdata,
 		    entry->last_frag + 1 != frag)
 			continue;
 
-		f_hdr = (struct ieee80211_hdr *) entry->skb_list.next->data;
-		f_fc = le16_to_cpu(f_hdr->frame_control);
+		f_hdr = (struct ieee80211_hdr *)entry->skb_list.next->data;
 
-		if ((fc & IEEE80211_FCTL_FTYPE) != (f_fc & IEEE80211_FCTL_FTYPE) ||
+		/*
+		 * Check ftype and addresses are equal, else check next fragment
+		 */
+		if (((hdr->frame_control ^ f_hdr->frame_control) &
+		     cpu_to_le16(IEEE80211_FCTL_FTYPE)) ||
 		    compare_ether_addr(hdr->addr1, f_hdr->addr1) != 0 ||
 		    compare_ether_addr(hdr->addr2, f_hdr->addr2) != 0)
 			continue;
@@ -860,16 +862,18 @@ ieee80211_rx_h_defragment(struct ieee80211_rx_data *rx)
 {
 	struct ieee80211_hdr *hdr;
 	u16 sc;
+	__le16 fc;
 	unsigned int frag, seq;
 	struct ieee80211_fragment_entry *entry;
 	struct sk_buff *skb;
 	DECLARE_MAC_BUF(mac);
 
-	hdr = (struct ieee80211_hdr *) rx->skb->data;
+	hdr = (struct ieee80211_hdr *)rx->skb->data;
+	fc = hdr->frame_control;
 	sc = le16_to_cpu(hdr->seq_ctrl);
 	frag = sc & IEEE80211_SCTL_FRAG;
 
-	if (likely((!(rx->fc & IEEE80211_FCTL_MOREFRAGS) && frag == 0) ||
+	if (likely((!ieee80211_has_morefrags(fc) && frag == 0) ||
 		   (rx->skb)->len < 24 ||
 		   is_multicast_ether_addr(hdr->addr1))) {
 		/* not fragmented */
@@ -884,7 +888,7 @@ ieee80211_rx_h_defragment(struct ieee80211_rx_data *rx)
 		entry = ieee80211_reassemble_add(rx->sdata, frag, seq,
 						 rx->queue, &(rx->skb));
 		if (rx->key && rx->key->conf.alg == ALG_CCMP &&
-		    (rx->fc & IEEE80211_FCTL_PROTECTED)) {
+		    ieee80211_has_protected(fc)) {
 			/* Store CCMP PN so that we can verify that the next
 			 * fragment has a sequential PN value. */
 			entry->ccmp = 1;
@@ -898,8 +902,7 @@ ieee80211_rx_h_defragment(struct ieee80211_rx_data *rx)
 	/* This is a fragment for a frame that should already be pending in
 	 * fragment cache. Add this fragment to the end of the pending entry.
 	 */
-	entry = ieee80211_reassemble_find(rx->sdata, rx->fc, frag, seq,
-					  rx->queue, hdr);
+	entry = ieee80211_reassemble_find(rx->sdata, frag, seq, rx->queue, hdr);
 	if (!entry) {
 		I802_DEBUG_INC(rx->local->rx_handlers_drop_defrag);
 		return RX_DROP_MONITOR;
@@ -924,11 +927,11 @@ ieee80211_rx_h_defragment(struct ieee80211_rx_data *rx)
 		memcpy(entry->last_pn, pn, CCMP_PN_LEN);
 	}
 
-	skb_pull(rx->skb, ieee80211_get_hdrlen(rx->fc));
+	skb_pull(rx->skb, ieee80211_hdrlen(fc));
 	__skb_queue_tail(&entry->skb_list, rx->skb);
 	entry->last_frag = frag;
 	entry->extra_len += rx->skb->len;
-	if (rx->fc & IEEE80211_FCTL_MOREFRAGS) {
+	if (ieee80211_has_morefrags(fc)) {
 		rx->skb = NULL;
 		return RX_QUEUED;
 	}
@@ -968,15 +971,14 @@ ieee80211_rx_h_ps_poll(struct ieee80211_rx_data *rx)
 	struct sk_buff *skb;
 	int no_pending_pkts;
 	DECLARE_MAC_BUF(mac);
+	__le16 fc = ((struct ieee80211_hdr *)rx->skb->data)->frame_control;
 
-	if (likely(!rx->sta ||
-		   (rx->fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_CTL ||
-		   (rx->fc & IEEE80211_FCTL_STYPE) != IEEE80211_STYPE_PSPOLL ||
+	if (likely(!rx->sta || !ieee80211_is_pspoll(fc) ||
 		   !(rx->flags & IEEE80211_RX_RA_MATCH)))
 		return RX_CONTINUE;
 
-	if ((sdata->vif.type != IEEE80211_IF_TYPE_AP) &&
-	    (sdata->vif.type != IEEE80211_IF_TYPE_VLAN))
+	if ((sdata->vif.type != NL80211_IFTYPE_AP) &&
+	    (sdata->vif.type != NL80211_IFTYPE_AP_VLAN))
 		return RX_DROP_UNUSABLE;
 
 	skb = skb_dequeue(&rx->sta->tx_filtered);
@@ -1000,7 +1002,7 @@ ieee80211_rx_h_ps_poll(struct ieee80211_rx_data *rx)
 
 #ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
 		printk(KERN_DEBUG "STA %s aid %d: PS Poll (entries after %d)\n",
-		       print_mac(mac, rx->sta->addr), rx->sta->aid,
+		       print_mac(mac, rx->sta->sta.addr), rx->sta->sta.aid,
 		       skb_queue_len(&rx->sta->ps_tx_buf));
 #endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
 
@@ -1025,7 +1027,7 @@ ieee80211_rx_h_ps_poll(struct ieee80211_rx_data *rx)
 		 */
 		printk(KERN_DEBUG "%s: STA %s sent PS Poll even "
 		       "though there are no buffered frames for it\n",
-		       rx->dev->name, print_mac(mac, rx->sta->addr));
+		       rx->dev->name, print_mac(mac, rx->sta->sta.addr));
 #endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
 	}
 
@@ -1050,7 +1052,6 @@ ieee80211_rx_h_remove_qos_control(struct ieee80211_rx_data *rx)
 		ieee80211_hdrlen(hdr->frame_control) - IEEE80211_QOS_CTL_LEN);
 	hdr = (struct ieee80211_hdr *)skb_pull(rx->skb, IEEE80211_QOS_CTL_LEN);
 	/* change frame type to non QOS */
-	rx->fc &= ~IEEE80211_STYPE_QOS_DATA;
 	hdr->frame_control &= ~cpu_to_le16(IEEE80211_STYPE_QOS_DATA);
 
 	return RX_CONTINUE;
@@ -1067,7 +1068,7 @@ ieee80211_802_1x_port_control(struct ieee80211_rx_data *rx)
 }
 
 static int
-ieee80211_drop_unencrypted(struct ieee80211_rx_data *rx)
+ieee80211_drop_unencrypted(struct ieee80211_rx_data *rx, __le16 fc)
 {
 	/*
 	 * Pass through unencrypted frames if the hardware has
@@ -1077,9 +1078,8 @@ ieee80211_drop_unencrypted(struct ieee80211_rx_data *rx)
 		return 0;
 
 	/* Drop unencrypted frames if key is set. */
-	if (unlikely(!(rx->fc & IEEE80211_FCTL_PROTECTED) &&
-		     (rx->fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA &&
-		     (rx->fc & IEEE80211_FCTL_STYPE) != IEEE80211_STYPE_NULLFUNC &&
+	if (unlikely(!ieee80211_has_protected(fc) &&
+		     !ieee80211_is_nullfunc(fc) &&
 		     (rx->key || rx->sdata->drop_unencrypted)))
 		return -EACCES;
 
@@ -1091,7 +1091,7 @@ ieee80211_data_to_8023(struct ieee80211_rx_data *rx)
 {
 	struct net_device *dev = rx->dev;
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) rx->skb->data;
-	u16 fc, hdrlen, ethertype;
+	u16 hdrlen, ethertype;
 	u8 *payload;
 	u8 dst[ETH_ALEN];
 	u8 src[ETH_ALEN] __aligned(2);
@@ -1102,16 +1102,10 @@ ieee80211_data_to_8023(struct ieee80211_rx_data *rx)
 	DECLARE_MAC_BUF(mac3);
 	DECLARE_MAC_BUF(mac4);
 
-	fc = rx->fc;
-
-	if (unlikely(!WLAN_FC_DATA_PRESENT(fc)))
+	if (unlikely(!ieee80211_is_data_present(hdr->frame_control)))
 		return -1;
 
-	hdrlen = ieee80211_get_hdrlen(fc);
-
-	if (ieee80211_vif_is_mesh(&sdata->vif))
-		hdrlen += ieee80211_get_mesh_hdrlen(
-				(struct ieee80211s_hdr *) (skb->data + hdrlen));
+	hdrlen = ieee80211_hdrlen(hdr->frame_control);
 
 	/* convert IEEE 802.11 header + possible LLC headers into Ethernet
 	 * header
@@ -1122,42 +1116,38 @@ ieee80211_data_to_8023(struct ieee80211_rx_data *rx)
 	 *   1     0   BSSID SA    DA    n/a
 	 *   1     1   RA    TA    DA    SA
 	 */
-
-	switch (fc & (IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS)) {
-	case IEEE80211_FCTL_TODS:
-		/* BSSID SA DA */
-		memcpy(dst, hdr->addr3, ETH_ALEN);
-		memcpy(src, hdr->addr2, ETH_ALEN);
-
-		if (unlikely(sdata->vif.type != IEEE80211_IF_TYPE_AP &&
-			     sdata->vif.type != IEEE80211_IF_TYPE_VLAN))
+	memcpy(dst, ieee80211_get_DA(hdr), ETH_ALEN);
+	memcpy(src, ieee80211_get_SA(hdr), ETH_ALEN);
+
+	switch (hdr->frame_control &
+		cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS)) {
+	case __constant_cpu_to_le16(IEEE80211_FCTL_TODS):
+		if (unlikely(sdata->vif.type != NL80211_IFTYPE_AP &&
+			     sdata->vif.type != NL80211_IFTYPE_AP_VLAN))
 			return -1;
 		break;
-	case (IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS):
-		/* RA TA DA SA */
-		memcpy(dst, hdr->addr3, ETH_ALEN);
-		memcpy(src, hdr->addr4, ETH_ALEN);
-
-		 if (unlikely(sdata->vif.type != IEEE80211_IF_TYPE_WDS &&
-			     sdata->vif.type != IEEE80211_IF_TYPE_MESH_POINT))
+	case __constant_cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS):
+		if (unlikely(sdata->vif.type != NL80211_IFTYPE_WDS &&
+			     sdata->vif.type != NL80211_IFTYPE_MESH_POINT))
 			return -1;
+		if (ieee80211_vif_is_mesh(&sdata->vif)) {
+			struct ieee80211s_hdr *meshdr = (struct ieee80211s_hdr *)
+				(skb->data + hdrlen);
+			hdrlen += ieee80211_get_mesh_hdrlen(meshdr);
+			if (meshdr->flags & MESH_FLAGS_AE_A5_A6) {
+				memcpy(dst, meshdr->eaddr1, ETH_ALEN);
+				memcpy(src, meshdr->eaddr2, ETH_ALEN);
+			}
+		}
 		break;
-	case IEEE80211_FCTL_FROMDS:
-		/* DA BSSID SA */
-		memcpy(dst, hdr->addr1, ETH_ALEN);
-		memcpy(src, hdr->addr3, ETH_ALEN);
-
-		if (sdata->vif.type != IEEE80211_IF_TYPE_STA ||
+	case __constant_cpu_to_le16(IEEE80211_FCTL_FROMDS):
+		if (sdata->vif.type != NL80211_IFTYPE_STATION ||
 		    (is_multicast_ether_addr(dst) &&
 		     !compare_ether_addr(src, dev->dev_addr)))
 			return -1;
 		break;
-	case 0:
-		/* DA SA BSSID */
-		memcpy(dst, hdr->addr1, ETH_ALEN);
-		memcpy(src, hdr->addr2, ETH_ALEN);
-
-		if (sdata->vif.type != IEEE80211_IF_TYPE_IBSS)
+	case __constant_cpu_to_le16(0):
+		if (sdata->vif.type != NL80211_IFTYPE_ADHOC)
 			return -1;
 		break;
 	}
@@ -1193,7 +1183,7 @@ ieee80211_data_to_8023(struct ieee80211_rx_data *rx)
 /*
  * requires that rx->skb is a frame with ethernet header
  */
-static bool ieee80211_frame_allowed(struct ieee80211_rx_data *rx)
+static bool ieee80211_frame_allowed(struct ieee80211_rx_data *rx, __le16 fc)
 {
 	static const u8 pae_group_addr[ETH_ALEN] __aligned(2)
 		= { 0x01, 0x80, 0xC2, 0x00, 0x00, 0x03 };
@@ -1209,7 +1199,7 @@ static bool ieee80211_frame_allowed(struct ieee80211_rx_data *rx)
 		return true;
 
 	if (ieee80211_802_1x_port_control(rx) ||
-	    ieee80211_drop_unencrypted(rx))
+	    ieee80211_drop_unencrypted(rx, fc))
 		return false;
 
 	return true;
@@ -1231,8 +1221,9 @@ ieee80211_deliver_skb(struct ieee80211_rx_data *rx)
 	skb = rx->skb;
 	xmit_skb = NULL;
 
-	if (local->bridge_packets && (sdata->vif.type == IEEE80211_IF_TYPE_AP ||
-				      sdata->vif.type == IEEE80211_IF_TYPE_VLAN) &&
+	if ((sdata->vif.type == NL80211_IFTYPE_AP ||
+	     sdata->vif.type == NL80211_IFTYPE_AP_VLAN) &&
+	    !(sdata->flags & IEEE80211_SDATA_DONT_BRIDGE_PACKETS) &&
 	    (rx->flags & IEEE80211_RX_RA_MATCH)) {
 		if (is_multicast_ether_addr(ehdr->h_dest)) {
 			/*
@@ -1279,20 +1270,21 @@ ieee80211_rx_h_amsdu(struct ieee80211_rx_data *rx)
 {
 	struct net_device *dev = rx->dev;
 	struct ieee80211_local *local = rx->local;
-	u16 fc, ethertype;
+	u16 ethertype;
 	u8 *payload;
 	struct sk_buff *skb = rx->skb, *frame = NULL;
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
+	__le16 fc = hdr->frame_control;
 	const struct ethhdr *eth;
 	int remaining, err;
 	u8 dst[ETH_ALEN];
 	u8 src[ETH_ALEN];
 	DECLARE_MAC_BUF(mac);
 
-	fc = rx->fc;
-	if (unlikely((fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA))
+	if (unlikely(!ieee80211_is_data(fc)))
 		return RX_CONTINUE;
 
-	if (unlikely(!WLAN_FC_DATA_PRESENT(fc)))
+	if (unlikely(!ieee80211_is_data_present(fc)))
 		return RX_DROP_MONITOR;
 
 	if (!(rx->flags & IEEE80211_RX_AMSDU))
@@ -1374,7 +1366,7 @@ ieee80211_rx_h_amsdu(struct ieee80211_rx_data *rx)
 			memcpy(skb_push(frame, ETH_ALEN), dst, ETH_ALEN);
 		}
 
-		if (!ieee80211_frame_allowed(rx)) {
+		if (!ieee80211_frame_allowed(rx, fc)) {
 			if (skb == frame) /* last frame */
 				return RX_DROP_UNUSABLE;
 			dev_kfree_skb(frame);
@@ -1387,7 +1379,7 @@ ieee80211_rx_h_amsdu(struct ieee80211_rx_data *rx)
 	return RX_QUEUED;
 }
 
-static ieee80211_rx_result debug_noinline
+static ieee80211_rx_result
 ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx)
 {
 	struct ieee80211_hdr *hdr;
@@ -1406,6 +1398,25 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx)
 		/* illegal frame */
 		return RX_DROP_MONITOR;
 
+	if (mesh_hdr->flags & MESH_FLAGS_AE_A5_A6){
+		struct ieee80211_sub_if_data *sdata;
+		struct mesh_path *mppath;
+
+		sdata = IEEE80211_DEV_TO_SUB_IF(rx->dev);
+		rcu_read_lock();
+		mppath = mpp_path_lookup(mesh_hdr->eaddr2, sdata);
+		if (!mppath) {
+			mpp_path_add(mesh_hdr->eaddr2, hdr->addr4, sdata);
+		} else {
+			spin_lock_bh(&mppath->state_lock);
+			mppath->exp_time = jiffies;
+			if (compare_ether_addr(mppath->mpp, hdr->addr4) != 0)
+				memcpy(mppath->mpp, hdr->addr4, ETH_ALEN);
+			spin_unlock_bh(&mppath->state_lock);
+		}
+		rcu_read_unlock();
+	}
+
 	if (compare_ether_addr(rx->dev->dev_addr, hdr->addr3) == 0)
 		return RX_CONTINUE;
 
@@ -1413,7 +1424,7 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx)
 
 	if (rx->flags & IEEE80211_RX_RA_MATCH) {
 		if (!mesh_hdr->ttl)
-			IEEE80211_IFSTA_MESH_CTR_INC(&rx->sdata->u.sta,
+			IEEE80211_IFSTA_MESH_CTR_INC(&rx->sdata->u.mesh,
 						     dropped_frames_ttl);
 		else {
 			struct ieee80211_hdr *fwd_hdr;
@@ -1448,21 +1459,21 @@ static ieee80211_rx_result debug_noinline
 ieee80211_rx_h_data(struct ieee80211_rx_data *rx)
 {
 	struct net_device *dev = rx->dev;
-	u16 fc;
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;
+	__le16 fc = hdr->frame_control;
 	int err;
 
-	fc = rx->fc;
-	if (unlikely((fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA))
+	if (unlikely(!ieee80211_is_data(hdr->frame_control)))
 		return RX_CONTINUE;
 
-	if (unlikely(!WLAN_FC_DATA_PRESENT(fc)))
+	if (unlikely(!ieee80211_is_data_present(hdr->frame_control)))
 		return RX_DROP_MONITOR;
 
 	err = ieee80211_data_to_8023(rx);
 	if (unlikely(err))
 		return RX_DROP_UNUSABLE;
 
-	if (!ieee80211_frame_allowed(rx))
+	if (!ieee80211_frame_allowed(rx, fc))
 		return RX_DROP_MONITOR;
 
 	rx->skb->dev = dev;
@@ -1520,22 +1531,97 @@ ieee80211_rx_h_ctrl(struct ieee80211_rx_data *rx)
 }
 
 static ieee80211_rx_result debug_noinline
+ieee80211_rx_h_action(struct ieee80211_rx_data *rx)
+{
+	struct ieee80211_local *local = rx->local;
+	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(rx->dev);
+	struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *) rx->skb->data;
+	int len = rx->skb->len;
+
+	if (!ieee80211_is_action(mgmt->frame_control))
+		return RX_CONTINUE;
+
+	if (!rx->sta)
+		return RX_DROP_MONITOR;
+
+	if (!(rx->flags & IEEE80211_RX_RA_MATCH))
+		return RX_DROP_MONITOR;
+
+	/* all categories we currently handle have action_code */
+	if (len < IEEE80211_MIN_ACTION_SIZE + 1)
+		return RX_DROP_MONITOR;
+
+	/*
+	 * FIXME: revisit this, I'm sure we should handle most
+	 *	  of these frames in other modes as well!
+	 */
+	if (sdata->vif.type != NL80211_IFTYPE_STATION &&
+	    sdata->vif.type != NL80211_IFTYPE_ADHOC)
+		return RX_CONTINUE;
+
+	switch (mgmt->u.action.category) {
+	case WLAN_CATEGORY_BACK:
+		switch (mgmt->u.action.u.addba_req.action_code) {
+		case WLAN_ACTION_ADDBA_REQ:
+			if (len < (IEEE80211_MIN_ACTION_SIZE +
+				   sizeof(mgmt->u.action.u.addba_req)))
+				return RX_DROP_MONITOR;
+			ieee80211_process_addba_request(local, rx->sta, mgmt, len);
+			break;
+		case WLAN_ACTION_ADDBA_RESP:
+			if (len < (IEEE80211_MIN_ACTION_SIZE +
+				   sizeof(mgmt->u.action.u.addba_resp)))
+				return RX_DROP_MONITOR;
+			ieee80211_process_addba_resp(local, rx->sta, mgmt, len);
+			break;
+		case WLAN_ACTION_DELBA:
+			if (len < (IEEE80211_MIN_ACTION_SIZE +
+				   sizeof(mgmt->u.action.u.delba)))
+				return RX_DROP_MONITOR;
+			ieee80211_process_delba(sdata, rx->sta, mgmt, len);
+			break;
+		}
+		break;
+	case WLAN_CATEGORY_SPECTRUM_MGMT:
+		if (local->hw.conf.channel->band != IEEE80211_BAND_5GHZ)
+			return RX_DROP_MONITOR;
+		switch (mgmt->u.action.u.measurement.action_code) {
+		case WLAN_ACTION_SPCT_MSR_REQ:
+			if (len < (IEEE80211_MIN_ACTION_SIZE +
+				   sizeof(mgmt->u.action.u.measurement)))
+				return RX_DROP_MONITOR;
+			ieee80211_process_measurement_req(sdata, mgmt, len);
+			break;
+		}
+		break;
+	default:
+		return RX_CONTINUE;
+	}
+
+	rx->sta->rx_packets++;
+	dev_kfree_skb(rx->skb);
+	return RX_QUEUED;
+}
+
+static ieee80211_rx_result debug_noinline
 ieee80211_rx_h_mgmt(struct ieee80211_rx_data *rx)
 {
-	struct ieee80211_sub_if_data *sdata;
+	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(rx->dev);
 
 	if (!(rx->flags & IEEE80211_RX_RA_MATCH))
 		return RX_DROP_MONITOR;
 
-	sdata = IEEE80211_DEV_TO_SUB_IF(rx->dev);
-	if ((sdata->vif.type == IEEE80211_IF_TYPE_STA ||
-	     sdata->vif.type == IEEE80211_IF_TYPE_IBSS ||
-	     sdata->vif.type == IEEE80211_IF_TYPE_MESH_POINT) &&
-	    !(sdata->flags & IEEE80211_SDATA_USERSPACE_MLME))
-		ieee80211_sta_rx_mgmt(rx->dev, rx->skb, rx->status);
-	else
+	if (ieee80211_vif_is_mesh(&sdata->vif))
+		return ieee80211_mesh_rx_mgmt(sdata, rx->skb, rx->status);
+
+	if (sdata->vif.type != NL80211_IFTYPE_STATION &&
+	    sdata->vif.type != NL80211_IFTYPE_ADHOC)
+		return RX_DROP_MONITOR;
+
+	if (sdata->flags & IEEE80211_SDATA_USERSPACE_MLME)
 		return RX_DROP_MONITOR;
 
+	ieee80211_sta_rx_mgmt(sdata, rx->skb, rx->status);
 	return RX_QUEUED;
 }
 
@@ -1565,7 +1651,7 @@ static void ieee80211_rx_michael_mic_report(struct net_device *dev,
 	if (!ieee80211_has_protected(hdr->frame_control))
 		goto ignore;
 
-	if (rx->sdata->vif.type == IEEE80211_IF_TYPE_AP && keyidx) {
+	if (rx->sdata->vif.type == NL80211_IFTYPE_AP && keyidx) {
 		/*
 		 * APs with pairwise keys should never receive Michael MIC
 		 * errors for non-zero keyidx because these are reserved for
@@ -1579,7 +1665,7 @@ static void ieee80211_rx_michael_mic_report(struct net_device *dev,
 	    !ieee80211_is_auth(hdr->frame_control))
 		goto ignore;
 
-	mac80211_ev_michael_mic_failure(rx->dev, keyidx, hdr);
+	mac80211_ev_michael_mic_failure(rx->sdata, keyidx, hdr);
  ignore:
 	dev_kfree_skb(rx->skb);
 	rx->skb = NULL;
@@ -1635,7 +1721,7 @@ static void ieee80211_rx_cooked_monitor(struct ieee80211_rx_data *rx)
 		if (!netif_running(sdata->dev))
 			continue;
 
-		if (sdata->vif.type != IEEE80211_IF_TYPE_MNTR ||
+		if (sdata->vif.type != NL80211_IFTYPE_MONITOR ||
 		    !(sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES))
 			continue;
 
@@ -1698,6 +1784,7 @@ static void ieee80211_invoke_rx_handlers(struct ieee80211_sub_if_data *sdata,
 		CALL_RXH(ieee80211_rx_h_mesh_fwding);
 	CALL_RXH(ieee80211_rx_h_data)
 	CALL_RXH(ieee80211_rx_h_ctrl)
+	CALL_RXH(ieee80211_rx_h_action)
 	CALL_RXH(ieee80211_rx_h_mgmt)
 
 #undef CALL_RXH
@@ -1733,7 +1820,7 @@ static int prepare_for_handlers(struct ieee80211_sub_if_data *sdata,
 	int multicast = is_multicast_ether_addr(hdr->addr1);
 
 	switch (sdata->vif.type) {
-	case IEEE80211_IF_TYPE_STA:
+	case NL80211_IFTYPE_STATION:
 		if (!bssid)
 			return 0;
 		if (!ieee80211_bssid_match(bssid, sdata->u.sta.bssid)) {
@@ -1748,14 +1835,10 @@ static int prepare_for_handlers(struct ieee80211_sub_if_data *sdata,
 			rx->flags &= ~IEEE80211_RX_RA_MATCH;
 		}
 		break;
-	case IEEE80211_IF_TYPE_IBSS:
+	case NL80211_IFTYPE_ADHOC:
 		if (!bssid)
 			return 0;
 		if (ieee80211_is_beacon(hdr->frame_control)) {
-			if (!rx->sta)
-				rx->sta = ieee80211_ibss_add_sta(sdata->dev,
-						rx->skb, bssid, hdr->addr2,
-						BIT(rx->status->rate_idx));
 			return 1;
 		}
 		else if (!ieee80211_bssid_match(bssid, sdata->u.sta.bssid)) {
@@ -1769,11 +1852,11 @@ static int prepare_for_handlers(struct ieee80211_sub_if_data *sdata,
 				return 0;
 			rx->flags &= ~IEEE80211_RX_RA_MATCH;
 		} else if (!rx->sta)
-			rx->sta = ieee80211_ibss_add_sta(sdata->dev, rx->skb,
+			rx->sta = ieee80211_ibss_add_sta(sdata, rx->skb,
 						bssid, hdr->addr2,
 						BIT(rx->status->rate_idx));
 		break;
-	case IEEE80211_IF_TYPE_MESH_POINT:
+	case NL80211_IFTYPE_MESH_POINT:
 		if (!multicast &&
 		    compare_ether_addr(sdata->dev->dev_addr,
 				       hdr->addr1) != 0) {
@@ -1783,8 +1866,8 @@ static int prepare_for_handlers(struct ieee80211_sub_if_data *sdata,
 			rx->flags &= ~IEEE80211_RX_RA_MATCH;
 		}
 		break;
-	case IEEE80211_IF_TYPE_VLAN:
-	case IEEE80211_IF_TYPE_AP:
+	case NL80211_IFTYPE_AP_VLAN:
+	case NL80211_IFTYPE_AP:
 		if (!bssid) {
 			if (compare_ether_addr(sdata->dev->dev_addr,
 					       hdr->addr1))
@@ -1796,16 +1879,17 @@ static int prepare_for_handlers(struct ieee80211_sub_if_data *sdata,
 			rx->flags &= ~IEEE80211_RX_RA_MATCH;
 		}
 		break;
-	case IEEE80211_IF_TYPE_WDS:
+	case NL80211_IFTYPE_WDS:
 		if (bssid || !ieee80211_is_data(hdr->frame_control))
 			return 0;
 		if (compare_ether_addr(sdata->u.wds.remote_addr, hdr->addr2))
 			return 0;
 		break;
-	case IEEE80211_IF_TYPE_MNTR:
+	case NL80211_IFTYPE_MONITOR:
 		/* take everything */
 		break;
-	case IEEE80211_IF_TYPE_INVALID:
+	case NL80211_IFTYPE_UNSPECIFIED:
+	case __NL80211_IFTYPE_AFTER_LAST:
 		/* should never get here */
 		WARN_ON(1);
 		break;
@@ -1827,23 +1911,20 @@ static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw,
 	struct ieee80211_sub_if_data *sdata;
 	struct ieee80211_hdr *hdr;
 	struct ieee80211_rx_data rx;
-	u16 type;
 	int prepares;
 	struct ieee80211_sub_if_data *prev = NULL;
 	struct sk_buff *skb_new;
 	u8 *bssid;
 
-	hdr = (struct ieee80211_hdr *) skb->data;
+	hdr = (struct ieee80211_hdr *)skb->data;
 	memset(&rx, 0, sizeof(rx));
 	rx.skb = skb;
 	rx.local = local;
 
 	rx.status = status;
 	rx.rate = rate;
-	rx.fc = le16_to_cpu(hdr->frame_control);
-	type = rx.fc & IEEE80211_FCTL_FTYPE;
 
-	if (type == IEEE80211_FTYPE_DATA || type == IEEE80211_FTYPE_MGMT)
+	if (ieee80211_is_data(hdr->frame_control) || ieee80211_is_mgmt(hdr->frame_control))
 		local->dot11ReceivedFragmentCount++;
 
 	rx.sta = sta_info_get(local, hdr->addr2);
@@ -1857,7 +1938,7 @@ static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw,
 		return;
 	}
 
-	if (unlikely(local->sta_sw_scanning || local->sta_hw_scanning))
+	if (unlikely(local->sw_scanning || local->hw_scanning))
 		rx.flags |= IEEE80211_RX_IN_SCAN;
 
 	ieee80211_parse_qos(&rx);
@@ -1869,7 +1950,7 @@ static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw,
 		if (!netif_running(sdata->dev))
 			continue;
 
-		if (sdata->vif.type == IEEE80211_IF_TYPE_MNTR)
+		if (sdata->vif.type == NL80211_IFTYPE_MONITOR)
 			continue;
 
 		bssid = ieee80211_get_bssid(hdr, skb->len, sdata->vif.type);
@@ -1904,14 +1985,12 @@ static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw,
 				       prev->dev->name);
 			continue;
 		}
-		rx.fc = le16_to_cpu(hdr->frame_control);
 		ieee80211_invoke_rx_handlers(prev, &rx, skb_new);
 		prev = sdata;
 	}
-	if (prev) {
-		rx.fc = le16_to_cpu(hdr->frame_control);
+	if (prev)
 		ieee80211_invoke_rx_handlers(prev, &rx, skb);
-	} else
+	else
 		dev_kfree_skb(skb);
 }
 
@@ -2080,7 +2159,7 @@ static u8 ieee80211_rx_reorder_ampdu(struct ieee80211_local *local,
 	/* if this mpdu is fragmented - terminate rx aggregation session */
 	sc = le16_to_cpu(hdr->seq_ctrl);
 	if (sc & IEEE80211_SCTL_FRAG) {
-		ieee80211_sta_stop_rx_ba_session(sta->sdata->dev, sta->addr,
+		ieee80211_sta_stop_rx_ba_session(sta->sdata, sta->sta.addr,
 			tid, 0, WLAN_REASON_QSTA_REQUIRE_SETUP);
 		ret = 1;
 		goto end_reorder;
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
new file mode 100644
index 00000000000..8e6685e7ae8
--- /dev/null
+++ b/net/mac80211/scan.c
@@ -0,0 +1,937 @@
+/*
+ * Scanning implementation
+ *
+ * Copyright 2003, Jouni Malinen <jkmaline@cc.hut.fi>
+ * Copyright 2004, Instant802 Networks, Inc.
+ * Copyright 2005, Devicescape Software, Inc.
+ * Copyright 2006-2007	Jiri Benc <jbenc@suse.cz>
+ * Copyright 2007, Michael Wu <flamingice@sourmilk.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+/* TODO:
+ * order BSS list by RSSI(?) ("quality of AP")
+ * scan result table filtering (by capability (privacy, IBSS/BSS, WPA/RSN IE,
+ *    SSID)
+ */
+
+#include <linux/wireless.h>
+#include <linux/if_arp.h>
+#include <net/mac80211.h>
+#include <net/iw_handler.h>
+
+#include "ieee80211_i.h"
+#include "mesh.h"
+
+#define IEEE80211_PROBE_DELAY (HZ / 33)
+#define IEEE80211_CHANNEL_TIME (HZ / 33)
+#define IEEE80211_PASSIVE_CHANNEL_TIME (HZ / 5)
+
+void ieee80211_rx_bss_list_init(struct ieee80211_local *local)
+{
+	spin_lock_init(&local->bss_lock);
+	INIT_LIST_HEAD(&local->bss_list);
+}
+
+void ieee80211_rx_bss_list_deinit(struct ieee80211_local *local)
+{
+	struct ieee80211_bss *bss, *tmp;
+
+	list_for_each_entry_safe(bss, tmp, &local->bss_list, list)
+		ieee80211_rx_bss_put(local, bss);
+}
+
+struct ieee80211_bss *
+ieee80211_rx_bss_get(struct ieee80211_local *local, u8 *bssid, int freq,
+		     u8 *ssid, u8 ssid_len)
+{
+	struct ieee80211_bss *bss;
+
+	spin_lock_bh(&local->bss_lock);
+	bss = local->bss_hash[STA_HASH(bssid)];
+	while (bss) {
+		if (!bss_mesh_cfg(bss) &&
+		    !memcmp(bss->bssid, bssid, ETH_ALEN) &&
+		    bss->freq == freq &&
+		    bss->ssid_len == ssid_len &&
+		    (ssid_len == 0 || !memcmp(bss->ssid, ssid, ssid_len))) {
+			atomic_inc(&bss->users);
+			break;
+		}
+		bss = bss->hnext;
+	}
+	spin_unlock_bh(&local->bss_lock);
+	return bss;
+}
+
+/* Caller must hold local->bss_lock */
+static void __ieee80211_rx_bss_hash_add(struct ieee80211_local *local,
+					struct ieee80211_bss *bss)
+{
+	u8 hash_idx;
+
+	if (bss_mesh_cfg(bss))
+		hash_idx = mesh_id_hash(bss_mesh_id(bss),
+					bss_mesh_id_len(bss));
+	else
+		hash_idx = STA_HASH(bss->bssid);
+
+	bss->hnext = local->bss_hash[hash_idx];
+	local->bss_hash[hash_idx] = bss;
+}
+
+/* Caller must hold local->bss_lock */
+static void __ieee80211_rx_bss_hash_del(struct ieee80211_local *local,
+					struct ieee80211_bss *bss)
+{
+	struct ieee80211_bss *b, *prev = NULL;
+	b = local->bss_hash[STA_HASH(bss->bssid)];
+	while (b) {
+		if (b == bss) {
+			if (!prev)
+				local->bss_hash[STA_HASH(bss->bssid)] =
+					bss->hnext;
+			else
+				prev->hnext = bss->hnext;
+			break;
+		}
+		prev = b;
+		b = b->hnext;
+	}
+}
+
+struct ieee80211_bss *
+ieee80211_rx_bss_add(struct ieee80211_local *local, u8 *bssid, int freq,
+		     u8 *ssid, u8 ssid_len)
+{
+	struct ieee80211_bss *bss;
+
+	bss = kzalloc(sizeof(*bss), GFP_ATOMIC);
+	if (!bss)
+		return NULL;
+	atomic_set(&bss->users, 2);
+	memcpy(bss->bssid, bssid, ETH_ALEN);
+	bss->freq = freq;
+	if (ssid && ssid_len <= IEEE80211_MAX_SSID_LEN) {
+		memcpy(bss->ssid, ssid, ssid_len);
+		bss->ssid_len = ssid_len;
+	}
+
+	spin_lock_bh(&local->bss_lock);
+	/* TODO: order by RSSI? */
+	list_add_tail(&bss->list, &local->bss_list);
+	__ieee80211_rx_bss_hash_add(local, bss);
+	spin_unlock_bh(&local->bss_lock);
+	return bss;
+}
+
+#ifdef CONFIG_MAC80211_MESH
+static struct ieee80211_bss *
+ieee80211_rx_mesh_bss_get(struct ieee80211_local *local, u8 *mesh_id, int mesh_id_len,
+			  u8 *mesh_cfg, int freq)
+{
+	struct ieee80211_bss *bss;
+
+	spin_lock_bh(&local->bss_lock);
+	bss = local->bss_hash[mesh_id_hash(mesh_id, mesh_id_len)];
+	while (bss) {
+		if (bss_mesh_cfg(bss) &&
+		    !memcmp(bss_mesh_cfg(bss), mesh_cfg, MESH_CFG_CMP_LEN) &&
+		    bss->freq == freq &&
+		    mesh_id_len == bss->mesh_id_len &&
+		    (mesh_id_len == 0 || !memcmp(bss->mesh_id, mesh_id,
+						 mesh_id_len))) {
+			atomic_inc(&bss->users);
+			break;
+		}
+		bss = bss->hnext;
+	}
+	spin_unlock_bh(&local->bss_lock);
+	return bss;
+}
+
+static struct ieee80211_bss *
+ieee80211_rx_mesh_bss_add(struct ieee80211_local *local, u8 *mesh_id, int mesh_id_len,
+			  u8 *mesh_cfg, int mesh_config_len, int freq)
+{
+	struct ieee80211_bss *bss;
+
+	if (mesh_config_len != MESH_CFG_LEN)
+		return NULL;
+
+	bss = kzalloc(sizeof(*bss), GFP_ATOMIC);
+	if (!bss)
+		return NULL;
+
+	bss->mesh_cfg = kmalloc(MESH_CFG_CMP_LEN, GFP_ATOMIC);
+	if (!bss->mesh_cfg) {
+		kfree(bss);
+		return NULL;
+	}
+
+	if (mesh_id_len && mesh_id_len <= IEEE80211_MAX_MESH_ID_LEN) {
+		bss->mesh_id = kmalloc(mesh_id_len, GFP_ATOMIC);
+		if (!bss->mesh_id) {
+			kfree(bss->mesh_cfg);
+			kfree(bss);
+			return NULL;
+		}
+		memcpy(bss->mesh_id, mesh_id, mesh_id_len);
+	}
+
+	atomic_set(&bss->users, 2);
+	memcpy(bss->mesh_cfg, mesh_cfg, MESH_CFG_CMP_LEN);
+	bss->mesh_id_len = mesh_id_len;
+	bss->freq = freq;
+	spin_lock_bh(&local->bss_lock);
+	/* TODO: order by RSSI? */
+	list_add_tail(&bss->list, &local->bss_list);
+	__ieee80211_rx_bss_hash_add(local, bss);
+	spin_unlock_bh(&local->bss_lock);
+	return bss;
+}
+#endif
+
+static void ieee80211_rx_bss_free(struct ieee80211_bss *bss)
+{
+	kfree(bss->ies);
+	kfree(bss_mesh_id(bss));
+	kfree(bss_mesh_cfg(bss));
+	kfree(bss);
+}
+
+void ieee80211_rx_bss_put(struct ieee80211_local *local,
+			  struct ieee80211_bss *bss)
+{
+	local_bh_disable();
+	if (!atomic_dec_and_lock(&bss->users, &local->bss_lock)) {
+		local_bh_enable();
+		return;
+	}
+
+	__ieee80211_rx_bss_hash_del(local, bss);
+	list_del(&bss->list);
+	spin_unlock_bh(&local->bss_lock);
+	ieee80211_rx_bss_free(bss);
+}
+
+struct ieee80211_bss *
+ieee80211_bss_info_update(struct ieee80211_local *local,
+			  struct ieee80211_rx_status *rx_status,
+			  struct ieee80211_mgmt *mgmt,
+			  size_t len,
+			  struct ieee802_11_elems *elems,
+			  int freq, bool beacon)
+{
+	struct ieee80211_bss *bss;
+	int clen;
+
+#ifdef CONFIG_MAC80211_MESH
+	if (elems->mesh_config)
+		bss = ieee80211_rx_mesh_bss_get(local, elems->mesh_id,
+				elems->mesh_id_len, elems->mesh_config, freq);
+	else
+#endif
+		bss = ieee80211_rx_bss_get(local, mgmt->bssid, freq,
+					   elems->ssid, elems->ssid_len);
+	if (!bss) {
+#ifdef CONFIG_MAC80211_MESH
+		if (elems->mesh_config)
+			bss = ieee80211_rx_mesh_bss_add(local, elems->mesh_id,
+				elems->mesh_id_len, elems->mesh_config,
+				elems->mesh_config_len, freq);
+		else
+#endif
+			bss = ieee80211_rx_bss_add(local, mgmt->bssid, freq,
+						  elems->ssid, elems->ssid_len);
+		if (!bss)
+			return NULL;
+	} else {
+#if 0
+		/* TODO: order by RSSI? */
+		spin_lock_bh(&local->bss_lock);
+		list_move_tail(&bss->list, &local->bss_list);
+		spin_unlock_bh(&local->bss_lock);
+#endif
+	}
+
+	/* save the ERP value so that it is available at association time */
+	if (elems->erp_info && elems->erp_info_len >= 1) {
+		bss->erp_value = elems->erp_info[0];
+		bss->has_erp_value = 1;
+	}
+
+	bss->beacon_int = le16_to_cpu(mgmt->u.beacon.beacon_int);
+	bss->capability = le16_to_cpu(mgmt->u.beacon.capab_info);
+
+	if (elems->tim) {
+		struct ieee80211_tim_ie *tim_ie =
+			(struct ieee80211_tim_ie *)elems->tim;
+		bss->dtim_period = tim_ie->dtim_period;
+	}
+
+	/* set default value for buggy APs */
+	if (!elems->tim || bss->dtim_period == 0)
+		bss->dtim_period = 1;
+
+	bss->supp_rates_len = 0;
+	if (elems->supp_rates) {
+		clen = IEEE80211_MAX_SUPP_RATES - bss->supp_rates_len;
+		if (clen > elems->supp_rates_len)
+			clen = elems->supp_rates_len;
+		memcpy(&bss->supp_rates[bss->supp_rates_len], elems->supp_rates,
+		       clen);
+		bss->supp_rates_len += clen;
+	}
+	if (elems->ext_supp_rates) {
+		clen = IEEE80211_MAX_SUPP_RATES - bss->supp_rates_len;
+		if (clen > elems->ext_supp_rates_len)
+			clen = elems->ext_supp_rates_len;
+		memcpy(&bss->supp_rates[bss->supp_rates_len],
+		       elems->ext_supp_rates, clen);
+		bss->supp_rates_len += clen;
+	}
+
+	bss->band = rx_status->band;
+
+	bss->timestamp = le64_to_cpu(mgmt->u.beacon.timestamp);
+	bss->last_update = jiffies;
+	bss->signal = rx_status->signal;
+	bss->noise = rx_status->noise;
+	bss->qual = rx_status->qual;
+	bss->wmm_used = elems->wmm_param || elems->wmm_info;
+
+	if (!beacon)
+		bss->last_probe_resp = jiffies;
+
+	/*
+	 * For probe responses, or if we don't have any information yet,
+	 * use the IEs from the beacon.
+	 */
+	if (!bss->ies || !beacon) {
+		if (bss->ies == NULL || bss->ies_len < elems->total_len) {
+			kfree(bss->ies);
+			bss->ies = kmalloc(elems->total_len, GFP_ATOMIC);
+		}
+		if (bss->ies) {
+			memcpy(bss->ies, elems->ie_start, elems->total_len);
+			bss->ies_len = elems->total_len;
+		} else
+			bss->ies_len = 0;
+	}
+
+	return bss;
+}
+
+ieee80211_rx_result
+ieee80211_scan_rx(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb,
+		  struct ieee80211_rx_status *rx_status)
+{
+	struct ieee80211_mgmt *mgmt;
+	struct ieee80211_bss *bss;
+	u8 *elements;
+	struct ieee80211_channel *channel;
+	size_t baselen;
+	int freq;
+	__le16 fc;
+	bool presp, beacon = false;
+	struct ieee802_11_elems elems;
+
+	if (skb->len < 2)
+		return RX_DROP_UNUSABLE;
+
+	mgmt = (struct ieee80211_mgmt *) skb->data;
+	fc = mgmt->frame_control;
+
+	if (ieee80211_is_ctl(fc))
+		return RX_CONTINUE;
+
+	if (skb->len < 24)
+		return RX_DROP_MONITOR;
+
+	presp = ieee80211_is_probe_resp(fc);
+	if (presp) {
+		/* ignore ProbeResp to foreign address */
+		if (memcmp(mgmt->da, sdata->dev->dev_addr, ETH_ALEN))
+			return RX_DROP_MONITOR;
+
+		presp = true;
+		elements = mgmt->u.probe_resp.variable;
+		baselen = offsetof(struct ieee80211_mgmt, u.probe_resp.variable);
+	} else {
+		beacon = ieee80211_is_beacon(fc);
+		baselen = offsetof(struct ieee80211_mgmt, u.beacon.variable);
+		elements = mgmt->u.beacon.variable;
+	}
+
+	if (!presp && !beacon)
+		return RX_CONTINUE;
+
+	if (baselen > skb->len)
+		return RX_DROP_MONITOR;
+
+	ieee802_11_parse_elems(elements, skb->len - baselen, &elems);
+
+	if (elems.ds_params && elems.ds_params_len == 1)
+		freq = ieee80211_channel_to_frequency(elems.ds_params[0]);
+	else
+		freq = rx_status->freq;
+
+	channel = ieee80211_get_channel(sdata->local->hw.wiphy, freq);
+
+	if (!channel || channel->flags & IEEE80211_CHAN_DISABLED)
+		return RX_DROP_MONITOR;
+
+	bss = ieee80211_bss_info_update(sdata->local, rx_status,
+					mgmt, skb->len, &elems,
+					freq, beacon);
+	ieee80211_rx_bss_put(sdata->local, bss);
+
+	dev_kfree_skb(skb);
+	return RX_QUEUED;
+}
+
+static void ieee80211_send_nullfunc(struct ieee80211_local *local,
+				    struct ieee80211_sub_if_data *sdata,
+				    int powersave)
+{
+	struct sk_buff *skb;
+	struct ieee80211_hdr *nullfunc;
+	__le16 fc;
+
+	skb = dev_alloc_skb(local->hw.extra_tx_headroom + 24);
+	if (!skb) {
+		printk(KERN_DEBUG "%s: failed to allocate buffer for nullfunc "
+		       "frame\n", sdata->dev->name);
+		return;
+	}
+	skb_reserve(skb, local->hw.extra_tx_headroom);
+
+	nullfunc = (struct ieee80211_hdr *) skb_put(skb, 24);
+	memset(nullfunc, 0, 24);
+	fc = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC |
+			 IEEE80211_FCTL_TODS);
+	if (powersave)
+		fc |= cpu_to_le16(IEEE80211_FCTL_PM);
+	nullfunc->frame_control = fc;
+	memcpy(nullfunc->addr1, sdata->u.sta.bssid, ETH_ALEN);
+	memcpy(nullfunc->addr2, sdata->dev->dev_addr, ETH_ALEN);
+	memcpy(nullfunc->addr3, sdata->u.sta.bssid, ETH_ALEN);
+
+	ieee80211_tx_skb(sdata, skb, 0);
+}
+
+void ieee80211_scan_completed(struct ieee80211_hw *hw)
+{
+	struct ieee80211_local *local = hw_to_local(hw);
+	struct ieee80211_sub_if_data *sdata;
+	union iwreq_data wrqu;
+
+	if (WARN_ON(!local->hw_scanning && !local->sw_scanning))
+		return;
+
+	local->last_scan_completed = jiffies;
+	memset(&wrqu, 0, sizeof(wrqu));
+
+	/*
+	 * local->scan_sdata could have been NULLed by the interface
+	 * down code in case we were scanning on an interface that is
+	 * being taken down.
+	 */
+	sdata = local->scan_sdata;
+	if (sdata)
+		wireless_send_event(sdata->dev, SIOCGIWSCAN, &wrqu, NULL);
+
+	if (local->hw_scanning) {
+		local->hw_scanning = false;
+		if (ieee80211_hw_config(local))
+			printk(KERN_DEBUG "%s: failed to restore operational "
+			       "channel after scan\n", wiphy_name(local->hw.wiphy));
+
+		goto done;
+	}
+
+	local->sw_scanning = false;
+	if (ieee80211_hw_config(local))
+		printk(KERN_DEBUG "%s: failed to restore operational "
+		       "channel after scan\n", wiphy_name(local->hw.wiphy));
+
+
+	netif_tx_lock_bh(local->mdev);
+	netif_addr_lock(local->mdev);
+	local->filter_flags &= ~FIF_BCN_PRBRESP_PROMISC;
+	local->ops->configure_filter(local_to_hw(local),
+				     FIF_BCN_PRBRESP_PROMISC,
+				     &local->filter_flags,
+				     local->mdev->mc_count,
+				     local->mdev->mc_list);
+
+	netif_addr_unlock(local->mdev);
+	netif_tx_unlock_bh(local->mdev);
+
+	rcu_read_lock();
+	list_for_each_entry_rcu(sdata, &local->interfaces, list) {
+		/* Tell AP we're back */
+		if (sdata->vif.type == NL80211_IFTYPE_STATION) {
+			if (sdata->u.sta.flags & IEEE80211_STA_ASSOCIATED) {
+				ieee80211_send_nullfunc(local, sdata, 0);
+				netif_tx_wake_all_queues(sdata->dev);
+			}
+		} else
+			netif_tx_wake_all_queues(sdata->dev);
+	}
+	rcu_read_unlock();
+
+ done:
+	ieee80211_mlme_notify_scan_completed(local);
+	ieee80211_mesh_notify_scan_completed(local);
+}
+EXPORT_SYMBOL(ieee80211_scan_completed);
+
+
+void ieee80211_scan_work(struct work_struct *work)
+{
+	struct ieee80211_local *local =
+		container_of(work, struct ieee80211_local, scan_work.work);
+	struct ieee80211_sub_if_data *sdata = local->scan_sdata;
+	struct ieee80211_supported_band *sband;
+	struct ieee80211_channel *chan;
+	int skip;
+	unsigned long next_delay = 0;
+
+	/*
+	 * Avoid re-scheduling when the sdata is going away.
+	 */
+	if (!netif_running(sdata->dev))
+		return;
+
+	switch (local->scan_state) {
+	case SCAN_SET_CHANNEL:
+		/*
+		 * Get current scan band. scan_band may be IEEE80211_NUM_BANDS
+		 * after we successfully scanned the last channel of the last
+		 * band (and the last band is supported by the hw)
+		 */
+		if (local->scan_band < IEEE80211_NUM_BANDS)
+			sband = local->hw.wiphy->bands[local->scan_band];
+		else
+			sband = NULL;
+
+		/*
+		 * If we are at an unsupported band and have more bands
+		 * left to scan, advance to the next supported one.
+		 */
+		while (!sband && local->scan_band < IEEE80211_NUM_BANDS - 1) {
+			local->scan_band++;
+			sband = local->hw.wiphy->bands[local->scan_band];
+			local->scan_channel_idx = 0;
+		}
+
+		/* if no more bands/channels left, complete scan */
+		if (!sband || local->scan_channel_idx >= sband->n_channels) {
+			ieee80211_scan_completed(local_to_hw(local));
+			return;
+		}
+		skip = 0;
+		chan = &sband->channels[local->scan_channel_idx];
+
+		if (chan->flags & IEEE80211_CHAN_DISABLED ||
+		    (sdata->vif.type == NL80211_IFTYPE_ADHOC &&
+		     chan->flags & IEEE80211_CHAN_NO_IBSS))
+			skip = 1;
+
+		if (!skip) {
+			local->scan_channel = chan;
+			if (ieee80211_hw_config(local)) {
+				printk(KERN_DEBUG "%s: failed to set freq to "
+				       "%d MHz for scan\n", wiphy_name(local->hw.wiphy),
+				       chan->center_freq);
+				skip = 1;
+			}
+		}
+
+		/* advance state machine to next channel/band */
+		local->scan_channel_idx++;
+		if (local->scan_channel_idx >= sband->n_channels) {
+			/*
+			 * scan_band may end up == IEEE80211_NUM_BANDS, but
+			 * we'll catch that case above and complete the scan
+			 * if that is the case.
+			 */
+			local->scan_band++;
+			local->scan_channel_idx = 0;
+		}
+
+		if (skip)
+			break;
+
+		next_delay = IEEE80211_PROBE_DELAY +
+			     usecs_to_jiffies(local->hw.channel_change_time);
+		local->scan_state = SCAN_SEND_PROBE;
+		break;
+	case SCAN_SEND_PROBE:
+		next_delay = IEEE80211_PASSIVE_CHANNEL_TIME;
+		local->scan_state = SCAN_SET_CHANNEL;
+
+		if (local->scan_channel->flags & IEEE80211_CHAN_PASSIVE_SCAN)
+			break;
+		ieee80211_send_probe_req(sdata, NULL, local->scan_ssid,
+					 local->scan_ssid_len);
+		next_delay = IEEE80211_CHANNEL_TIME;
+		break;
+	}
+
+	queue_delayed_work(local->hw.workqueue, &local->scan_work,
+			   next_delay);
+}
+
+
+int ieee80211_start_scan(struct ieee80211_sub_if_data *scan_sdata,
+			 u8 *ssid, size_t ssid_len)
+{
+	struct ieee80211_local *local = scan_sdata->local;
+	struct ieee80211_sub_if_data *sdata;
+
+	if (ssid_len > IEEE80211_MAX_SSID_LEN)
+		return -EINVAL;
+
+	/* MLME-SCAN.request (page 118)  page 144 (11.1.3.1)
+	 * BSSType: INFRASTRUCTURE, INDEPENDENT, ANY_BSS
+	 * BSSID: MACAddress
+	 * SSID
+	 * ScanType: ACTIVE, PASSIVE
+	 * ProbeDelay: delay (in microseconds) to be used prior to transmitting
+	 *    a Probe frame during active scanning
+	 * ChannelList
+	 * MinChannelTime (>= ProbeDelay), in TU
+	 * MaxChannelTime: (>= MinChannelTime), in TU
+	 */
+
+	 /* MLME-SCAN.confirm
+	  * BSSDescriptionSet
+	  * ResultCode: SUCCESS, INVALID_PARAMETERS
+	 */
+
+	if (local->sw_scanning || local->hw_scanning) {
+		if (local->scan_sdata == scan_sdata)
+			return 0;
+		return -EBUSY;
+	}
+
+	if (local->ops->hw_scan) {
+		int rc;
+
+		local->hw_scanning = true;
+		rc = local->ops->hw_scan(local_to_hw(local), ssid, ssid_len);
+		if (rc) {
+			local->hw_scanning = false;
+			return rc;
+		}
+		local->scan_sdata = scan_sdata;
+		return 0;
+	}
+
+	local->sw_scanning = true;
+
+	rcu_read_lock();
+	list_for_each_entry_rcu(sdata, &local->interfaces, list) {
+		if (sdata->vif.type == NL80211_IFTYPE_STATION) {
+			if (sdata->u.sta.flags & IEEE80211_STA_ASSOCIATED) {
+				netif_tx_stop_all_queues(sdata->dev);
+				ieee80211_send_nullfunc(local, sdata, 1);
+			}
+		} else
+			netif_tx_stop_all_queues(sdata->dev);
+	}
+	rcu_read_unlock();
+
+	if (ssid) {
+		local->scan_ssid_len = ssid_len;
+		memcpy(local->scan_ssid, ssid, ssid_len);
+	} else
+		local->scan_ssid_len = 0;
+	local->scan_state = SCAN_SET_CHANNEL;
+	local->scan_channel_idx = 0;
+	local->scan_band = IEEE80211_BAND_2GHZ;
+	local->scan_sdata = scan_sdata;
+
+	netif_addr_lock_bh(local->mdev);
+	local->filter_flags |= FIF_BCN_PRBRESP_PROMISC;
+	local->ops->configure_filter(local_to_hw(local),
+				     FIF_BCN_PRBRESP_PROMISC,
+				     &local->filter_flags,
+				     local->mdev->mc_count,
+				     local->mdev->mc_list);
+	netif_addr_unlock_bh(local->mdev);
+
+	/* TODO: start scan as soon as all nullfunc frames are ACKed */
+	queue_delayed_work(local->hw.workqueue, &local->scan_work,
+			   IEEE80211_CHANNEL_TIME);
+
+	return 0;
+}
+
+
+int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata,
+			   u8 *ssid, size_t ssid_len)
+{
+	struct ieee80211_local *local = sdata->local;
+	struct ieee80211_if_sta *ifsta;
+
+	if (sdata->vif.type != NL80211_IFTYPE_STATION)
+		return ieee80211_start_scan(sdata, ssid, ssid_len);
+
+	/*
+	 * STA has a state machine that might need to defer scanning
+	 * while it's trying to associate/authenticate, therefore we
+	 * queue it up to the state machine in that case.
+	 */
+
+	if (local->sw_scanning || local->hw_scanning) {
+		if (local->scan_sdata == sdata)
+			return 0;
+		return -EBUSY;
+	}
+
+	ifsta = &sdata->u.sta;
+
+	ifsta->scan_ssid_len = ssid_len;
+	if (ssid_len)
+		memcpy(ifsta->scan_ssid, ssid, ssid_len);
+	set_bit(IEEE80211_STA_REQ_SCAN, &ifsta->request);
+	queue_work(local->hw.workqueue, &ifsta->work);
+
+	return 0;
+}
+
+
+static void ieee80211_scan_add_ies(struct iw_request_info *info,
+				   struct ieee80211_bss *bss,
+				   char **current_ev, char *end_buf)
+{
+	u8 *pos, *end, *next;
+	struct iw_event iwe;
+
+	if (bss == NULL || bss->ies == NULL)
+		return;
+
+	/*
+	 * If needed, fragment the IEs buffer (at IE boundaries) into short
+	 * enough fragments to fit into IW_GENERIC_IE_MAX octet messages.
+	 */
+	pos = bss->ies;
+	end = pos + bss->ies_len;
+
+	while (end - pos > IW_GENERIC_IE_MAX) {
+		next = pos + 2 + pos[1];
+		while (next + 2 + next[1] - pos < IW_GENERIC_IE_MAX)
+			next = next + 2 + next[1];
+
+		memset(&iwe, 0, sizeof(iwe));
+		iwe.cmd = IWEVGENIE;
+		iwe.u.data.length = next - pos;
+		*current_ev = iwe_stream_add_point(info, *current_ev,
+						   end_buf, &iwe, pos);
+
+		pos = next;
+	}
+
+	if (end > pos) {
+		memset(&iwe, 0, sizeof(iwe));
+		iwe.cmd = IWEVGENIE;
+		iwe.u.data.length = end - pos;
+		*current_ev = iwe_stream_add_point(info, *current_ev,
+						   end_buf, &iwe, pos);
+	}
+}
+
+
+static char *
+ieee80211_scan_result(struct ieee80211_local *local,
+		      struct iw_request_info *info,
+		      struct ieee80211_bss *bss,
+		      char *current_ev, char *end_buf)
+{
+	struct iw_event iwe;
+	char *buf;
+
+	if (time_after(jiffies,
+		       bss->last_update + IEEE80211_SCAN_RESULT_EXPIRE))
+		return current_ev;
+
+	memset(&iwe, 0, sizeof(iwe));
+	iwe.cmd = SIOCGIWAP;
+	iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
+	memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
+	current_ev = iwe_stream_add_event(info, current_ev, end_buf, &iwe,
+					  IW_EV_ADDR_LEN);
+
+	memset(&iwe, 0, sizeof(iwe));
+	iwe.cmd = SIOCGIWESSID;
+	if (bss_mesh_cfg(bss)) {
+		iwe.u.data.length = bss_mesh_id_len(bss);
+		iwe.u.data.flags = 1;
+		current_ev = iwe_stream_add_point(info, current_ev, end_buf,
+						  &iwe, bss_mesh_id(bss));
+	} else {
+		iwe.u.data.length = bss->ssid_len;
+		iwe.u.data.flags = 1;
+		current_ev = iwe_stream_add_point(info, current_ev, end_buf,
+						  &iwe, bss->ssid);
+	}
+
+	if (bss->capability & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)
+	    || bss_mesh_cfg(bss)) {
+		memset(&iwe, 0, sizeof(iwe));
+		iwe.cmd = SIOCGIWMODE;
+		if (bss_mesh_cfg(bss))
+			iwe.u.mode = IW_MODE_MESH;
+		else if (bss->capability & WLAN_CAPABILITY_ESS)
+			iwe.u.mode = IW_MODE_MASTER;
+		else
+			iwe.u.mode = IW_MODE_ADHOC;
+		current_ev = iwe_stream_add_event(info, current_ev, end_buf,
+						  &iwe, IW_EV_UINT_LEN);
+	}
+
+	memset(&iwe, 0, sizeof(iwe));
+	iwe.cmd = SIOCGIWFREQ;
+	iwe.u.freq.m = ieee80211_frequency_to_channel(bss->freq);
+	iwe.u.freq.e = 0;
+	current_ev = iwe_stream_add_event(info, current_ev, end_buf, &iwe,
+					  IW_EV_FREQ_LEN);
+
+	memset(&iwe, 0, sizeof(iwe));
+	iwe.cmd = SIOCGIWFREQ;
+	iwe.u.freq.m = bss->freq;
+	iwe.u.freq.e = 6;
+	current_ev = iwe_stream_add_event(info, current_ev, end_buf, &iwe,
+					  IW_EV_FREQ_LEN);
+	memset(&iwe, 0, sizeof(iwe));
+	iwe.cmd = IWEVQUAL;
+	iwe.u.qual.qual = bss->qual;
+	iwe.u.qual.level = bss->signal;
+	iwe.u.qual.noise = bss->noise;
+	iwe.u.qual.updated = local->wstats_flags;
+	current_ev = iwe_stream_add_event(info, current_ev, end_buf, &iwe,
+					  IW_EV_QUAL_LEN);
+
+	memset(&iwe, 0, sizeof(iwe));
+	iwe.cmd = SIOCGIWENCODE;
+	if (bss->capability & WLAN_CAPABILITY_PRIVACY)
+		iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
+	else
+		iwe.u.data.flags = IW_ENCODE_DISABLED;
+	iwe.u.data.length = 0;
+	current_ev = iwe_stream_add_point(info, current_ev, end_buf,
+					  &iwe, "");
+
+	ieee80211_scan_add_ies(info, bss, &current_ev, end_buf);
+
+	if (bss->supp_rates_len > 0) {
+		/* display all supported rates in readable format */
+		char *p = current_ev + iwe_stream_lcp_len(info);
+		int i;
+
+		memset(&iwe, 0, sizeof(iwe));
+		iwe.cmd = SIOCGIWRATE;
+		/* Those two flags are ignored... */
+		iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
+
+		for (i = 0; i < bss->supp_rates_len; i++) {
+			iwe.u.bitrate.value = ((bss->supp_rates[i] &
+							0x7f) * 500000);
+			p = iwe_stream_add_value(info, current_ev, p,
+					end_buf, &iwe, IW_EV_PARAM_LEN);
+		}
+		current_ev = p;
+	}
+
+	buf = kmalloc(30, GFP_ATOMIC);
+	if (buf) {
+		memset(&iwe, 0, sizeof(iwe));
+		iwe.cmd = IWEVCUSTOM;
+		sprintf(buf, "tsf=%016llx", (unsigned long long)(bss->timestamp));
+		iwe.u.data.length = strlen(buf);
+		current_ev = iwe_stream_add_point(info, current_ev, end_buf,
+						  &iwe, buf);
+		memset(&iwe, 0, sizeof(iwe));
+		iwe.cmd = IWEVCUSTOM;
+		sprintf(buf, " Last beacon: %dms ago",
+			jiffies_to_msecs(jiffies - bss->last_update));
+		iwe.u.data.length = strlen(buf);
+		current_ev = iwe_stream_add_point(info, current_ev,
+						  end_buf, &iwe, buf);
+		kfree(buf);
+	}
+
+	if (bss_mesh_cfg(bss)) {
+		u8 *cfg = bss_mesh_cfg(bss);
+		buf = kmalloc(50, GFP_ATOMIC);
+		if (buf) {
+			memset(&iwe, 0, sizeof(iwe));
+			iwe.cmd = IWEVCUSTOM;
+			sprintf(buf, "Mesh network (version %d)", cfg[0]);
+			iwe.u.data.length = strlen(buf);
+			current_ev = iwe_stream_add_point(info, current_ev,
+							  end_buf,
+							  &iwe, buf);
+			sprintf(buf, "Path Selection Protocol ID: "
+				"0x%02X%02X%02X%02X", cfg[1], cfg[2], cfg[3],
+							cfg[4]);
+			iwe.u.data.length = strlen(buf);
+			current_ev = iwe_stream_add_point(info, current_ev,
+							  end_buf,
+							  &iwe, buf);
+			sprintf(buf, "Path Selection Metric ID: "
+				"0x%02X%02X%02X%02X", cfg[5], cfg[6], cfg[7],
+							cfg[8]);
+			iwe.u.data.length = strlen(buf);
+			current_ev = iwe_stream_add_point(info, current_ev,
+							  end_buf,
+							  &iwe, buf);
+			sprintf(buf, "Congestion Control Mode ID: "
+				"0x%02X%02X%02X%02X", cfg[9], cfg[10],
+							cfg[11], cfg[12]);
+			iwe.u.data.length = strlen(buf);
+			current_ev = iwe_stream_add_point(info, current_ev,
+							  end_buf,
+							  &iwe, buf);
+			sprintf(buf, "Channel Precedence: "
+				"0x%02X%02X%02X%02X", cfg[13], cfg[14],
+							cfg[15], cfg[16]);
+			iwe.u.data.length = strlen(buf);
+			current_ev = iwe_stream_add_point(info, current_ev,
+							  end_buf,
+							  &iwe, buf);
+			kfree(buf);
+		}
+	}
+
+	return current_ev;
+}
+
+
+int ieee80211_scan_results(struct ieee80211_local *local,
+			   struct iw_request_info *info,
+			   char *buf, size_t len)
+{
+	char *current_ev = buf;
+	char *end_buf = buf + len;
+	struct ieee80211_bss *bss;
+
+	spin_lock_bh(&local->bss_lock);
+	list_for_each_entry(bss, &local->bss_list, list) {
+		if (buf + len - current_ev <= IW_EV_ADDR_LEN) {
+			spin_unlock_bh(&local->bss_lock);
+			return -E2BIG;
+		}
+		current_ev = ieee80211_scan_result(local, info, bss,
+						       current_ev, end_buf);
+	}
+	spin_unlock_bh(&local->bss_lock);
+	return current_ev - buf;
+}
diff --git a/net/mac80211/spectmgmt.c b/net/mac80211/spectmgmt.c
new file mode 100644
index 00000000000..f72bad636d8
--- /dev/null
+++ b/net/mac80211/spectmgmt.c
@@ -0,0 +1,86 @@
+/*
+ * spectrum management
+ *
+ * Copyright 2003, Jouni Malinen <jkmaline@cc.hut.fi>
+ * Copyright 2002-2005, Instant802 Networks, Inc.
+ * Copyright 2005-2006, Devicescape Software, Inc.
+ * Copyright 2006-2007  Jiri Benc <jbenc@suse.cz>
+ * Copyright 2007, Michael Wu <flamingice@sourmilk.net>
+ * Copyright 2007-2008, Intel Corporation
+ * Copyright 2008, Johannes Berg <johannes@sipsolutions.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/ieee80211.h>
+#include <net/wireless.h>
+#include <net/mac80211.h>
+#include "ieee80211_i.h"
+#include "sta_info.h"
+#include "wme.h"
+
+static void ieee80211_send_refuse_measurement_request(struct ieee80211_sub_if_data *sdata,
+					struct ieee80211_msrment_ie *request_ie,
+					const u8 *da, const u8 *bssid,
+					u8 dialog_token)
+{
+	struct ieee80211_local *local = sdata->local;
+	struct sk_buff *skb;
+	struct ieee80211_mgmt *msr_report;
+
+	skb = dev_alloc_skb(sizeof(*msr_report) + local->hw.extra_tx_headroom +
+				sizeof(struct ieee80211_msrment_ie));
+
+	if (!skb) {
+		printk(KERN_ERR "%s: failed to allocate buffer for "
+				"measurement report frame\n", sdata->dev->name);
+		return;
+	}
+
+	skb_reserve(skb, local->hw.extra_tx_headroom);
+	msr_report = (struct ieee80211_mgmt *)skb_put(skb, 24);
+	memset(msr_report, 0, 24);
+	memcpy(msr_report->da, da, ETH_ALEN);
+	memcpy(msr_report->sa, sdata->dev->dev_addr, ETH_ALEN);
+	memcpy(msr_report->bssid, bssid, ETH_ALEN);
+	msr_report->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
+						IEEE80211_STYPE_ACTION);
+
+	skb_put(skb, 1 + sizeof(msr_report->u.action.u.measurement));
+	msr_report->u.action.category = WLAN_CATEGORY_SPECTRUM_MGMT;
+	msr_report->u.action.u.measurement.action_code =
+				WLAN_ACTION_SPCT_MSR_RPRT;
+	msr_report->u.action.u.measurement.dialog_token = dialog_token;
+
+	msr_report->u.action.u.measurement.element_id = WLAN_EID_MEASURE_REPORT;
+	msr_report->u.action.u.measurement.length =
+			sizeof(struct ieee80211_msrment_ie);
+
+	memset(&msr_report->u.action.u.measurement.msr_elem, 0,
+		sizeof(struct ieee80211_msrment_ie));
+	msr_report->u.action.u.measurement.msr_elem.token = request_ie->token;
+	msr_report->u.action.u.measurement.msr_elem.mode |=
+			IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED;
+	msr_report->u.action.u.measurement.msr_elem.type = request_ie->type;
+
+	ieee80211_tx_skb(sdata, skb, 0);
+}
+
+void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata,
+				       struct ieee80211_mgmt *mgmt,
+				       size_t len)
+{
+	/*
+	 * Ignoring measurement request is spec violation.
+	 * Mandatory measurements must be reported optional
+	 * measurements might be refused or reported incapable
+	 * For now just refuse
+	 * TODO: Answer basic measurement as unmeasured
+	 */
+	ieee80211_send_refuse_measurement_request(sdata,
+			&mgmt->u.action.u.measurement.msr_elem,
+			mgmt->sa, mgmt->bssid,
+			mgmt->u.action.u.measurement.dialog_token);
+}
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index f2ba653b9d6..9b72d15bc8d 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -73,11 +73,11 @@ static int sta_info_hash_del(struct ieee80211_local *local,
 {
 	struct sta_info *s;
 
-	s = local->sta_hash[STA_HASH(sta->addr)];
+	s = local->sta_hash[STA_HASH(sta->sta.addr)];
 	if (!s)
 		return -ENOENT;
 	if (s == sta) {
-		rcu_assign_pointer(local->sta_hash[STA_HASH(sta->addr)],
+		rcu_assign_pointer(local->sta_hash[STA_HASH(sta->sta.addr)],
 				   s->hnext);
 		return 0;
 	}
@@ -93,26 +93,19 @@ static int sta_info_hash_del(struct ieee80211_local *local,
 }
 
 /* protected by RCU */
-static struct sta_info *__sta_info_find(struct ieee80211_local *local,
-					u8 *addr)
+struct sta_info *sta_info_get(struct ieee80211_local *local, const u8 *addr)
 {
 	struct sta_info *sta;
 
 	sta = rcu_dereference(local->sta_hash[STA_HASH(addr)]);
 	while (sta) {
-		if (compare_ether_addr(sta->addr, addr) == 0)
+		if (compare_ether_addr(sta->sta.addr, addr) == 0)
 			break;
 		sta = rcu_dereference(sta->hnext);
 	}
 	return sta;
 }
 
-struct sta_info *sta_info_get(struct ieee80211_local *local, u8 *addr)
-{
-	return __sta_info_find(local, addr);
-}
-EXPORT_SYMBOL(sta_info_get);
-
 struct sta_info *sta_info_get_by_idx(struct ieee80211_local *local, int idx,
 				     struct net_device *dev)
 {
@@ -146,12 +139,12 @@ static void __sta_info_free(struct ieee80211_local *local,
 {
 	DECLARE_MAC_BUF(mbuf);
 
-	rate_control_free_sta(sta->rate_ctrl, sta->rate_ctrl_priv);
+	rate_control_free_sta(sta);
 	rate_control_put(sta->rate_ctrl);
 
 #ifdef CONFIG_MAC80211_VERBOSE_DEBUG
 	printk(KERN_DEBUG "%s: Destroyed STA %s\n",
-	       wiphy_name(local->hw.wiphy), print_mac(mbuf, sta->addr));
+	       wiphy_name(local->hw.wiphy), print_mac(mbuf, sta->sta.addr));
 #endif /* CONFIG_MAC80211_VERBOSE_DEBUG */
 
 	kfree(sta);
@@ -219,8 +212,8 @@ void sta_info_destroy(struct sta_info *sta)
 static void sta_info_hash_add(struct ieee80211_local *local,
 			      struct sta_info *sta)
 {
-	sta->hnext = local->sta_hash[STA_HASH(sta->addr)];
-	rcu_assign_pointer(local->sta_hash[STA_HASH(sta->addr)], sta);
+	sta->hnext = local->sta_hash[STA_HASH(sta->sta.addr)];
+	rcu_assign_pointer(local->sta_hash[STA_HASH(sta->sta.addr)], sta);
 }
 
 struct sta_info *sta_info_alloc(struct ieee80211_sub_if_data *sdata,
@@ -231,20 +224,20 @@ struct sta_info *sta_info_alloc(struct ieee80211_sub_if_data *sdata,
 	int i;
 	DECLARE_MAC_BUF(mbuf);
 
-	sta = kzalloc(sizeof(*sta), gfp);
+	sta = kzalloc(sizeof(*sta) + local->hw.sta_data_size, gfp);
 	if (!sta)
 		return NULL;
 
 	spin_lock_init(&sta->lock);
 	spin_lock_init(&sta->flaglock);
 
-	memcpy(sta->addr, addr, ETH_ALEN);
+	memcpy(sta->sta.addr, addr, ETH_ALEN);
 	sta->local = local;
 	sta->sdata = sdata;
 
 	sta->rate_ctrl = rate_control_get(local->rate_ctrl);
 	sta->rate_ctrl_priv = rate_control_alloc_sta(sta->rate_ctrl,
-						     gfp);
+						     &sta->sta, gfp);
 	if (!sta->rate_ctrl_priv) {
 		rate_control_put(sta->rate_ctrl);
 		kfree(sta);
@@ -271,7 +264,7 @@ struct sta_info *sta_info_alloc(struct ieee80211_sub_if_data *sdata,
 
 #ifdef CONFIG_MAC80211_VERBOSE_DEBUG
 	printk(KERN_DEBUG "%s: Allocated STA %s\n",
-	       wiphy_name(local->hw.wiphy), print_mac(mbuf, sta->addr));
+	       wiphy_name(local->hw.wiphy), print_mac(mbuf, sta->sta.addr));
 #endif /* CONFIG_MAC80211_VERBOSE_DEBUG */
 
 #ifdef CONFIG_MAC80211_MESH
@@ -300,15 +293,15 @@ int sta_info_insert(struct sta_info *sta)
 		goto out_free;
 	}
 
-	if (WARN_ON(compare_ether_addr(sta->addr, sdata->dev->dev_addr) == 0 ||
-	            is_multicast_ether_addr(sta->addr))) {
+	if (WARN_ON(compare_ether_addr(sta->sta.addr, sdata->dev->dev_addr) == 0 ||
+	            is_multicast_ether_addr(sta->sta.addr))) {
 		err = -EINVAL;
 		goto out_free;
 	}
 
 	spin_lock_irqsave(&local->sta_lock, flags);
 	/* check if STA exists already */
-	if (__sta_info_find(local, sta->addr)) {
+	if (sta_info_get(local, sta->sta.addr)) {
 		spin_unlock_irqrestore(&local->sta_lock, flags);
 		err = -EEXIST;
 		goto out_free;
@@ -319,18 +312,18 @@ int sta_info_insert(struct sta_info *sta)
 
 	/* notify driver */
 	if (local->ops->sta_notify) {
-		if (sdata->vif.type == IEEE80211_IF_TYPE_VLAN)
+		if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
 			sdata = container_of(sdata->bss,
 					     struct ieee80211_sub_if_data,
 					     u.ap);
 
 		local->ops->sta_notify(local_to_hw(local), &sdata->vif,
-				       STA_NOTIFY_ADD, sta->addr);
+				       STA_NOTIFY_ADD, &sta->sta);
 	}
 
 #ifdef CONFIG_MAC80211_VERBOSE_DEBUG
 	printk(KERN_DEBUG "%s: Inserted STA %s\n",
-	       wiphy_name(local->hw.wiphy), print_mac(mac, sta->addr));
+	       wiphy_name(local->hw.wiphy), print_mac(mac, sta->sta.addr));
 #endif /* CONFIG_MAC80211_VERBOSE_DEBUG */
 
 	spin_unlock_irqrestore(&local->sta_lock, flags);
@@ -379,11 +372,12 @@ static void __sta_info_set_tim_bit(struct ieee80211_if_ap *bss,
 {
 	BUG_ON(!bss);
 
-	__bss_tim_set(bss, sta->aid);
+	__bss_tim_set(bss, sta->sta.aid);
 
 	if (sta->local->ops->set_tim) {
 		sta->local->tim_in_locked_section = true;
-		sta->local->ops->set_tim(local_to_hw(sta->local), sta->aid, 1);
+		sta->local->ops->set_tim(local_to_hw(sta->local),
+					 &sta->sta, true);
 		sta->local->tim_in_locked_section = false;
 	}
 }
@@ -404,11 +398,12 @@ static void __sta_info_clear_tim_bit(struct ieee80211_if_ap *bss,
 {
 	BUG_ON(!bss);
 
-	__bss_tim_clear(bss, sta->aid);
+	__bss_tim_clear(bss, sta->sta.aid);
 
 	if (sta->local->ops->set_tim) {
 		sta->local->tim_in_locked_section = true;
-		sta->local->ops->set_tim(local_to_hw(sta->local), sta->aid, 0);
+		sta->local->ops->set_tim(local_to_hw(sta->local),
+					 &sta->sta, false);
 		sta->local->tim_in_locked_section = false;
 	}
 }
@@ -424,7 +419,7 @@ void sta_info_clear_tim_bit(struct sta_info *sta)
 	spin_unlock_irqrestore(&sta->local->sta_lock, flags);
 }
 
-void __sta_info_unlink(struct sta_info **sta)
+static void __sta_info_unlink(struct sta_info **sta)
 {
 	struct ieee80211_local *local = (*sta)->local;
 	struct ieee80211_sub_if_data *sdata = (*sta)->sdata;
@@ -456,13 +451,13 @@ void __sta_info_unlink(struct sta_info **sta)
 	local->num_sta--;
 
 	if (local->ops->sta_notify) {
-		if (sdata->vif.type == IEEE80211_IF_TYPE_VLAN)
+		if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
 			sdata = container_of(sdata->bss,
 					     struct ieee80211_sub_if_data,
 					     u.ap);
 
 		local->ops->sta_notify(local_to_hw(local), &sdata->vif,
-				       STA_NOTIFY_REMOVE, (*sta)->addr);
+				       STA_NOTIFY_REMOVE, &(*sta)->sta);
 	}
 
 	if (ieee80211_vif_is_mesh(&sdata->vif)) {
@@ -474,7 +469,7 @@ void __sta_info_unlink(struct sta_info **sta)
 
 #ifdef CONFIG_MAC80211_VERBOSE_DEBUG
 	printk(KERN_DEBUG "%s: Removed STA %s\n",
-	       wiphy_name(local->hw.wiphy), print_mac(mbuf, (*sta)->addr));
+	       wiphy_name(local->hw.wiphy), print_mac(mbuf, (*sta)->sta.addr));
 #endif /* CONFIG_MAC80211_VERBOSE_DEBUG */
 
 	/*
@@ -570,7 +565,7 @@ static void sta_info_cleanup_expire_buffered(struct ieee80211_local *local,
 		local->total_ps_buffered--;
 #ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
 		printk(KERN_DEBUG "Buffered frame expired (STA "
-		       "%s)\n", print_mac(mac, sta->addr));
+		       "%s)\n", print_mac(mac, sta->sta.addr));
 #endif
 		dev_kfree_skb(skb);
 
@@ -802,3 +797,40 @@ void sta_info_flush_delayed(struct ieee80211_sub_if_data *sdata)
 		schedule_work(&local->sta_flush_work);
 	spin_unlock_irqrestore(&local->sta_lock, flags);
 }
+
+void ieee80211_sta_expire(struct ieee80211_sub_if_data *sdata,
+			  unsigned long exp_time)
+{
+	struct ieee80211_local *local = sdata->local;
+	struct sta_info *sta, *tmp;
+	LIST_HEAD(tmp_list);
+	DECLARE_MAC_BUF(mac);
+	unsigned long flags;
+
+	spin_lock_irqsave(&local->sta_lock, flags);
+	list_for_each_entry_safe(sta, tmp, &local->sta_list, list)
+		if (time_after(jiffies, sta->last_rx + exp_time)) {
+#ifdef CONFIG_MAC80211_IBSS_DEBUG
+			printk(KERN_DEBUG "%s: expiring inactive STA %s\n",
+			       sdata->dev->name, print_mac(mac, sta->sta.addr));
+#endif
+			__sta_info_unlink(&sta);
+			if (sta)
+				list_add(&sta->list, &tmp_list);
+		}
+	spin_unlock_irqrestore(&local->sta_lock, flags);
+
+	list_for_each_entry_safe(sta, tmp, &tmp_list, list)
+		sta_info_destroy(sta);
+}
+
+struct ieee80211_sta *ieee80211_find_sta(struct ieee80211_hw *hw,
+                                         const u8 *addr)
+{
+	struct sta_info *sta = sta_info_get(hw_to_local(hw), addr);
+
+	if (!sta)
+		return NULL;
+	return &sta->sta;
+}
+EXPORT_SYMBOL(ieee80211_find_sta);
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index 109db787ccb..a6b51862a89 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -167,8 +167,6 @@ struct sta_ampdu_mlme {
  * @lock: used for locking all fields that require locking, see comments
  *	in the header file.
  * @flaglock: spinlock for flags accesses
- * @ht_info: HT capabilities of this STA
- * @supp_rates: Bitmap of supported rates (per band)
  * @addr: MAC address of this STA
  * @aid: STA's unique AID (1..2007, 0 = not assigned yet),
  *	only used in AP (and IBSS?) mode
@@ -191,20 +189,15 @@ struct sta_ampdu_mlme {
  * @last_qual: qual of last received frame from this STA
  * @last_noise: noise of last received frame from this STA
  * @last_seq_ctrl: last received seq/frag number from this STA (per RX queue)
- * @wme_rx_queue: TBD
  * @tx_filtered_count: TBD
  * @tx_retry_failed: TBD
  * @tx_retry_count: TBD
- * @tx_num_consecutive_failures: TBD
- * @tx_num_mpdu_ok: TBD
- * @tx_num_mpdu_fail: TBD
  * @fail_avg: moving percentage of failed MSDUs
  * @tx_packets: number of RX/TX MSDUs
  * @tx_bytes: TBD
  * @tx_fragments: number of transmitted MPDUs
- * @txrate_idx: TBD
- * @last_txrate_idx: TBD
- * @wme_tx_queue: TBD
+ * @last_txrate_idx: Index of the last used transmit rate
+ * @tid_seq: TBD
  * @ampdu_mlme: TBD
  * @timer_to_tid: identity mapping to ID timers
  * @tid_to_tx_q: map tid to tx queue
@@ -217,6 +210,7 @@ struct sta_ampdu_mlme {
  * @plink_timeout: TBD
  * @plink_timer: TBD
  * @debugfs: debug filesystem info
+ * @sta: station information we share with the driver
  */
 struct sta_info {
 	/* General information, mostly static */
@@ -229,10 +223,7 @@ struct sta_info {
 	void *rate_ctrl_priv;
 	spinlock_t lock;
 	spinlock_t flaglock;
-	struct ieee80211_ht_info ht_info;
-	u64 supp_rates[IEEE80211_NUM_BANDS];
-	u8 addr[ETH_ALEN];
-	u16 aid;
+
 	u16 listen_interval;
 
 	/*
@@ -265,17 +256,10 @@ struct sta_info {
 	int last_qual;
 	int last_noise;
 	__le16 last_seq_ctrl[NUM_RX_DATA_QUEUES];
-#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
-	unsigned int wme_rx_queue[NUM_RX_DATA_QUEUES];
-#endif
 
 	/* Updated from TX status path only, no locking requirements */
 	unsigned long tx_filtered_count;
 	unsigned long tx_retry_failed, tx_retry_count;
-	/* TODO: update in generic code not rate control? */
-	u32 tx_num_consecutive_failures;
-	u32 tx_num_mpdu_ok;
-	u32 tx_num_mpdu_fail;
 	/* moving percentage of failed MSDUs */
 	unsigned int fail_avg;
 
@@ -283,12 +267,8 @@ struct sta_info {
 	unsigned long tx_packets;
 	unsigned long tx_bytes;
 	unsigned long tx_fragments;
-	int txrate_idx;
-	int last_txrate_idx;
+	unsigned int last_txrate_idx;
 	u16 tid_seq[IEEE80211_QOS_CTL_TID_MASK + 1];
-#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
-	unsigned int wme_tx_queue[NUM_RX_DATA_QUEUES];
-#endif
 
 	/*
 	 * Aggregation information, locked with lock.
@@ -319,13 +299,12 @@ struct sta_info {
 		struct dentry *num_ps_buf_frames;
 		struct dentry *inactive_ms;
 		struct dentry *last_seq_ctrl;
-#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
-		struct dentry *wme_rx_queue;
-		struct dentry *wme_tx_queue;
-#endif
 		struct dentry *agg_status;
 	} debugfs;
 #endif
+
+	/* keep last! */
+	struct ieee80211_sta sta;
 };
 
 static inline enum plink_state sta_plink_state(struct sta_info *sta)
@@ -425,7 +404,7 @@ static inline u32 get_sta_flags(struct sta_info *sta)
 /*
  * Get a STA info, must have be under RCU read lock.
  */
-struct sta_info *sta_info_get(struct ieee80211_local *local, u8 *addr);
+struct sta_info *sta_info_get(struct ieee80211_local *local, const u8 *addr);
 /*
  * Get STA info by index, BROKEN!
  */
@@ -451,7 +430,6 @@ int sta_info_insert(struct sta_info *sta);
  * has already unlinked it.
  */
 void sta_info_unlink(struct sta_info **sta);
-void __sta_info_unlink(struct sta_info **sta);
 
 void sta_info_destroy(struct sta_info *sta);
 void sta_info_set_tim_bit(struct sta_info *sta);
@@ -463,5 +441,7 @@ void sta_info_stop(struct ieee80211_local *local);
 int sta_info_flush(struct ieee80211_local *local,
 		    struct ieee80211_sub_if_data *sdata);
 void sta_info_flush_delayed(struct ieee80211_sub_if_data *sdata);
+void ieee80211_sta_expire(struct ieee80211_sub_if_data *sdata,
+			  unsigned long exp_time);
 
 #endif /* STA_INFO_H */
diff --git a/net/mac80211/tkip.c b/net/mac80211/tkip.c
index 995f7af3d25..34b32bc8f60 100644
--- a/net/mac80211/tkip.c
+++ b/net/mac80211/tkip.c
@@ -304,7 +304,7 @@ int ieee80211_tkip_decrypt_data(struct crypto_blkcipher *tfm,
 			key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) {
 			u8 bcast[ETH_ALEN] =
 				{0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
-			u8 *sta_addr = key->sta->addr;
+			u8 *sta_addr = key->sta->sta.addr;
 
 			if (is_multicast_ether_addr(ra))
 				sta_addr = bcast;
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 4788f7b91f4..1460537faf3 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -38,43 +38,6 @@
 
 /* misc utils */
 
-#ifdef CONFIG_MAC80211_LOWTX_FRAME_DUMP
-static void ieee80211_dump_frame(const char *ifname, const char *title,
-				 const struct sk_buff *skb)
-{
-	const struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
-	unsigned int hdrlen;
-	DECLARE_MAC_BUF(mac);
-
-	printk(KERN_DEBUG "%s: %s (len=%d)", ifname, title, skb->len);
-	if (skb->len < 4) {
-		printk("\n");
-		return;
-	}
-
-	hdrlen = ieee80211_hdrlen(hdr->frame_control);
-	if (hdrlen > skb->len)
-		hdrlen = skb->len;
-	if (hdrlen >= 4)
-		printk(" FC=0x%04x DUR=0x%04x",
-		    le16_to_cpu(hdr->frame_control), le16_to_cpu(hdr->duration_id));
-	if (hdrlen >= 10)
-		printk(" A1=%s", print_mac(mac, hdr->addr1));
-	if (hdrlen >= 16)
-		printk(" A2=%s", print_mac(mac, hdr->addr2));
-	if (hdrlen >= 24)
-		printk(" A3=%s", print_mac(mac, hdr->addr3));
-	if (hdrlen >= 30)
-		printk(" A4=%s", print_mac(mac, hdr->addr4));
-	printk("\n");
-}
-#else /* CONFIG_MAC80211_LOWTX_FRAME_DUMP */
-static inline void ieee80211_dump_frame(const char *ifname, const char *title,
-					struct sk_buff *skb)
-{
-}
-#endif /* CONFIG_MAC80211_LOWTX_FRAME_DUMP */
-
 static __le16 ieee80211_duration(struct ieee80211_tx_data *tx, int group_addr,
 				 int next_frag_len)
 {
@@ -82,6 +45,7 @@ static __le16 ieee80211_duration(struct ieee80211_tx_data *tx, int group_addr,
 	struct ieee80211_rate *txrate;
 	struct ieee80211_local *local = tx->local;
 	struct ieee80211_supported_band *sband;
+	struct ieee80211_hdr *hdr;
 
 	sband = local->hw.wiphy->bands[tx->channel->band];
 	txrate = &sband->bitrates[tx->rate_idx];
@@ -107,10 +71,10 @@ static __le16 ieee80211_duration(struct ieee80211_tx_data *tx, int group_addr,
 	 *   at the highest possible rate belonging to the PHY rates in the
 	 *   BSSBasicRateSet
 	 */
-
-	if ((tx->fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_CTL) {
+	hdr = (struct ieee80211_hdr *)tx->skb->data;
+	if (ieee80211_is_ctl(hdr->frame_control)) {
 		/* TODO: These control frames are not currently sent by
-		 * 80211.o, but should they be implemented, this function
+		 * mac80211, but should they be implemented, this function
 		 * needs to be updated to support duration field calculation.
 		 *
 		 * RTS: time needed to transmit pending data/mgmt frame plus
@@ -152,7 +116,7 @@ static __le16 ieee80211_duration(struct ieee80211_tx_data *tx, int group_addr,
 		if (r->bitrate > txrate->bitrate)
 			break;
 
-		if (tx->sdata->basic_rates & BIT(i))
+		if (tx->sdata->bss_conf.basic_rates & BIT(i))
 			rate = r->bitrate;
 
 		switch (sband->band) {
@@ -201,11 +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 */
@@ -213,21 +176,19 @@ static int inline is_ieee80211_device(struct net_device *dev,
 static ieee80211_tx_result debug_noinline
 ieee80211_tx_h_check_assoc(struct ieee80211_tx_data *tx)
 {
-#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
+
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)tx->skb->data;
-#endif /* CONFIG_MAC80211_VERBOSE_DEBUG */
 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx->skb);
 	u32 sta_flags;
 
 	if (unlikely(info->flags & IEEE80211_TX_CTL_INJECTED))
 		return TX_CONTINUE;
 
-	if (unlikely(tx->local->sta_sw_scanning) &&
-	    ((tx->fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_MGMT ||
-	     (tx->fc & IEEE80211_FCTL_STYPE) != IEEE80211_STYPE_PROBE_REQ))
+	if (unlikely(tx->local->sw_scanning) &&
+	    !ieee80211_is_probe_req(hdr->frame_control))
 		return TX_DROP;
 
-	if (tx->sdata->vif.type == IEEE80211_IF_TYPE_MESH_POINT)
+	if (tx->sdata->vif.type == NL80211_IFTYPE_MESH_POINT)
 		return TX_CONTINUE;
 
 	if (tx->flags & IEEE80211_TX_PS_BUFFERED)
@@ -237,8 +198,8 @@ ieee80211_tx_h_check_assoc(struct ieee80211_tx_data *tx)
 
 	if (likely(tx->flags & IEEE80211_TX_UNICAST)) {
 		if (unlikely(!(sta_flags & WLAN_STA_ASSOC) &&
-			     tx->sdata->vif.type != IEEE80211_IF_TYPE_IBSS &&
-			     (tx->fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA)) {
+			     tx->sdata->vif.type != NL80211_IFTYPE_ADHOC &&
+			     ieee80211_is_data(hdr->frame_control))) {
 #ifdef CONFIG_MAC80211_VERBOSE_DEBUG
 			DECLARE_MAC_BUF(mac);
 			printk(KERN_DEBUG "%s: dropped data frame to not "
@@ -249,9 +210,9 @@ ieee80211_tx_h_check_assoc(struct ieee80211_tx_data *tx)
 			return TX_DROP;
 		}
 	} else {
-		if (unlikely((tx->fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA &&
+		if (unlikely(ieee80211_is_data(hdr->frame_control) &&
 			     tx->local->num_sta == 0 &&
-			     tx->sdata->vif.type != IEEE80211_IF_TYPE_IBSS)) {
+			     tx->sdata->vif.type != NL80211_IFTYPE_ADHOC)) {
 			/*
 			 * No associated STAs - no need to send multicast
 			 * frames.
@@ -282,7 +243,7 @@ static void purge_old_ps_buffers(struct ieee80211_local *local)
 
 	list_for_each_entry_rcu(sdata, &local->interfaces, list) {
 		struct ieee80211_if_ap *ap;
-		if (sdata->vif.type != IEEE80211_IF_TYPE_AP)
+		if (sdata->vif.type != NL80211_IFTYPE_AP)
 			continue;
 		ap = &sdata->u.ap;
 		skb = skb_dequeue(&ap->ps_bc_buf);
@@ -315,6 +276,7 @@ static ieee80211_tx_result
 ieee80211_tx_h_multicast_ps_buf(struct ieee80211_tx_data *tx)
 {
 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx->skb);
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)tx->skb->data;
 
 	/*
 	 * broadcast/multicast frame
@@ -329,7 +291,7 @@ ieee80211_tx_h_multicast_ps_buf(struct ieee80211_tx_data *tx)
 		return TX_CONTINUE;
 
 	/* no buffering for ordered frames */
-	if (tx->fc & IEEE80211_FCTL_ORDER)
+	if (ieee80211_has_order(hdr->frame_control))
 		return TX_CONTINUE;
 
 	/* no stations in PS mode */
@@ -367,12 +329,11 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_tx_data *tx)
 {
 	struct sta_info *sta = tx->sta;
 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx->skb);
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)tx->skb->data;
 	u32 staflags;
 	DECLARE_MAC_BUF(mac);
 
-	if (unlikely(!sta ||
-		     ((tx->fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_MGMT &&
-		      (tx->fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_PROBE_RESP)))
+	if (unlikely(!sta || ieee80211_is_probe_resp(hdr->frame_control)))
 		return TX_CONTINUE;
 
 	staflags = get_sta_flags(sta);
@@ -382,7 +343,7 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_tx_data *tx)
 #ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
 		printk(KERN_DEBUG "STA %s aid %d: PS buffer (entries "
 		       "before %d)\n",
-		       print_mac(mac, sta->addr), sta->aid,
+		       print_mac(mac, sta->sta.addr), sta->sta.aid,
 		       skb_queue_len(&sta->ps_tx_buf));
 #endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
 		if (tx->local->total_ps_buffered >= TOTAL_MAX_TX_BUFFER)
@@ -393,7 +354,7 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_tx_data *tx)
 			if (net_ratelimit()) {
 				printk(KERN_DEBUG "%s: STA %s TX "
 				       "buffer full - dropping oldest frame\n",
-				       tx->dev->name, print_mac(mac, sta->addr));
+				       tx->dev->name, print_mac(mac, sta->sta.addr));
 			}
 #endif
 			dev_kfree_skb(old);
@@ -412,7 +373,7 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_tx_data *tx)
 	else if (unlikely(test_sta_flags(sta, WLAN_STA_PS))) {
 		printk(KERN_DEBUG "%s: STA %s in PS mode, but pspoll "
 		       "set -> send frame\n", tx->dev->name,
-		       print_mac(mac, sta->addr));
+		       print_mac(mac, sta->sta.addr));
 	}
 #endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
 	clear_sta_flags(sta, WLAN_STA_PSPOLL);
@@ -437,7 +398,7 @@ ieee80211_tx_h_select_key(struct ieee80211_tx_data *tx)
 {
 	struct ieee80211_key *key;
 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx->skb);
-	u16 fc = tx->fc;
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)tx->skb->data;
 
 	if (unlikely(tx->skb->do_not_encrypt))
 		tx->key = NULL;
@@ -454,22 +415,16 @@ ieee80211_tx_h_select_key(struct ieee80211_tx_data *tx)
 		tx->key = NULL;
 
 	if (tx->key) {
-		u16 ftype, stype;
-
 		tx->key->tx_rx_count++;
 		/* TODO: add threshold stuff again */
 
 		switch (tx->key->conf.alg) {
 		case ALG_WEP:
-			ftype = fc & IEEE80211_FCTL_FTYPE;
-			stype = fc & IEEE80211_FCTL_STYPE;
-
-			if (ftype == IEEE80211_FTYPE_MGMT &&
-			    stype == IEEE80211_STYPE_AUTH)
+			if (ieee80211_is_auth(hdr->frame_control))
 				break;
 		case ALG_TKIP:
 		case ALG_CCMP:
-			if (!WLAN_FC_DATA_PRESENT(fc))
+			if (!ieee80211_is_data_present(hdr->frame_control))
 				tx->key = NULL;
 			break;
 		}
@@ -491,20 +446,24 @@ ieee80211_tx_h_rate_ctrl(struct ieee80211_tx_data *tx)
 	sband = tx->local->hw.wiphy->bands[tx->channel->band];
 
 	if (likely(tx->rate_idx < 0)) {
-		rate_control_get_rate(tx->dev, sband, tx->skb, &rsel);
+		rate_control_get_rate(tx->sdata, sband, tx->sta,
+				      tx->skb, &rsel);
+		if (tx->sta)
+			tx->sta->last_txrate_idx = rsel.rate_idx;
 		tx->rate_idx = rsel.rate_idx;
 		if (unlikely(rsel.probe_idx >= 0)) {
 			info->flags |= IEEE80211_TX_CTL_RATE_CTRL_PROBE;
 			tx->flags |= IEEE80211_TX_PROBE_LAST_FRAG;
-			info->control.alt_retry_rate_idx = tx->rate_idx;
+			info->control.retries[0].rate_idx = tx->rate_idx;
+			info->control.retries[0].limit = tx->local->hw.max_altrate_tries;
 			tx->rate_idx = rsel.probe_idx;
-		} else
-			info->control.alt_retry_rate_idx = -1;
+		} else if (info->control.retries[0].limit == 0)
+			info->control.retries[0].rate_idx = -1;
 
 		if (unlikely(tx->rate_idx < 0))
 			return TX_DROP;
 	} else
-		info->control.alt_retry_rate_idx = -1;
+		info->control.retries[0].rate_idx = -1;
 
 	if (tx->sdata->bss_conf.use_cts_prot &&
 	    (tx->flags & IEEE80211_TX_FRAGMENTED) && (rsel.nonerp_idx >= 0)) {
@@ -535,7 +494,7 @@ ieee80211_tx_h_misc(struct ieee80211_tx_data *tx)
 	sband = tx->local->hw.wiphy->bands[tx->channel->band];
 
 	if (tx->sta)
-		info->control.aid = tx->sta->aid;
+		info->control.sta = &tx->sta->sta;
 
 	if (!info->control.retry_limit) {
 		if (!is_multicast_ether_addr(hdr->addr1)) {
@@ -563,7 +522,7 @@ ieee80211_tx_h_misc(struct ieee80211_tx_data *tx)
 		 * frames.
 		 * TODO: The last fragment could still use multiple retry
 		 * rates. */
-		info->control.alt_retry_rate_idx = -1;
+		info->control.retries[0].rate_idx = -1;
 	}
 
 	/* Use CTS protection for unicast frames sent using extended rates if
@@ -593,7 +552,7 @@ ieee80211_tx_h_misc(struct ieee80211_tx_data *tx)
 		int idx;
 
 		/* Do not use multiple retry rates when using RTS/CTS */
-		info->control.alt_retry_rate_idx = -1;
+		info->control.retries[0].rate_idx = -1;
 
 		/* Use min(data rate, max base rate) as CTS/RTS rate */
 		rate = &sband->bitrates[tx->rate_idx];
@@ -601,7 +560,7 @@ ieee80211_tx_h_misc(struct ieee80211_tx_data *tx)
 		for (idx = 0; idx < sband->n_bitrates; idx++) {
 			if (sband->bitrates[idx].bitrate > rate->bitrate)
 				continue;
-			if (tx->sdata->basic_rates & BIT(idx) &&
+			if (tx->sdata->bss_conf.basic_rates & BIT(idx) &&
 			    (baserate < 0 ||
 			     (sband->bitrates[baserate].bitrate
 			      < sband->bitrates[idx].bitrate)))
@@ -615,7 +574,7 @@ ieee80211_tx_h_misc(struct ieee80211_tx_data *tx)
 	}
 
 	if (tx->sta)
-		info->control.aid = tx->sta->aid;
+		info->control.sta = &tx->sta->sta;
 
 	return TX_CONTINUE;
 }
@@ -629,7 +588,14 @@ ieee80211_tx_h_sequence(struct ieee80211_tx_data *tx)
 	u8 *qc;
 	int tid;
 
-	/* only for injected frames */
+	/*
+	 * Packet injection may want to control the sequence
+	 * number, if we have no matching interface then we
+	 * neither assign one ourselves nor ask the driver to.
+	 */
+	if (unlikely(!info->control.vif))
+		return TX_CONTINUE;
+
 	if (unlikely(ieee80211_is_ctl(hdr->frame_control)))
 		return TX_CONTINUE;
 
@@ -854,7 +820,6 @@ __ieee80211_parse_tx_radiotap(struct ieee80211_tx_data *tx,
 	sband = tx->local->hw.wiphy->bands[tx->channel->band];
 
 	skb->do_not_encrypt = 1;
-	info->flags |= IEEE80211_TX_CTL_INJECTED;
 	tx->flags &= ~IEEE80211_TX_FRAGMENTED;
 
 	/*
@@ -986,7 +951,7 @@ __ieee80211_tx_prepare(struct ieee80211_tx_data *tx,
 
 	/* process and remove the injection radiotap header */
 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	if (unlikely(sdata->vif.type == IEEE80211_IF_TYPE_MNTR)) {
+	if (unlikely(info->flags & IEEE80211_TX_CTL_INJECTED)) {
 		if (__ieee80211_parse_tx_radiotap(tx, skb) == TX_DROP)
 			return TX_DROP;
 
@@ -1000,7 +965,6 @@ __ieee80211_tx_prepare(struct ieee80211_tx_data *tx,
 	hdr = (struct ieee80211_hdr *) skb->data;
 
 	tx->sta = sta_info_get(local, hdr->addr1);
-	tx->fc = le16_to_cpu(hdr->frame_control);
 
 	if (is_multicast_ether_addr(hdr->addr1)) {
 		tx->flags &= ~IEEE80211_TX_UNICAST;
@@ -1025,7 +989,7 @@ __ieee80211_tx_prepare(struct ieee80211_tx_data *tx,
 	else if (test_and_clear_sta_flags(tx->sta, WLAN_STA_CLEAR_PS_FILT))
 		info->flags |= IEEE80211_TX_CTL_CLEAR_PS_FILT;
 
-	hdrlen = ieee80211_get_hdrlen(tx->fc);
+	hdrlen = ieee80211_hdrlen(hdr->frame_control);
 	if (skb->len > hdrlen + sizeof(rfc1042_header) + 2) {
 		u8 *pos = &skb->data[hdrlen + sizeof(rfc1042_header)];
 		tx->ethertype = (pos[0] << 8) | pos[1];
@@ -1038,14 +1002,14 @@ __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;
 	}
@@ -1068,8 +1032,6 @@ static int __ieee80211_tx(struct ieee80211_local *local, struct sk_buff *skb,
 			return IEEE80211_TX_AGAIN;
 		info =  IEEE80211_SKB_CB(skb);
 
-		ieee80211_dump_frame(wiphy_name(local->hw.wiphy),
-				     "TX to low-level driver", skb);
 		ret = local->ops->tx(local_to_hw(local), skb);
 		if (ret)
 			return IEEE80211_TX_AGAIN;
@@ -1099,9 +1061,6 @@ static int __ieee80211_tx(struct ieee80211_local *local, struct sk_buff *skb,
 						~IEEE80211_TX_CTL_RATE_CTRL_PROBE;
 			}
 
-			ieee80211_dump_frame(wiphy_name(local->hw.wiphy),
-					     "TX to low-level driver",
-					     tx->extra_frag[i]);
 			ret = local->ops->tx(local_to_hw(local),
 					    tx->extra_frag[i]);
 			if (ret)
@@ -1297,20 +1256,26 @@ static int ieee80211_skb_resize(struct ieee80211_local *local,
 	return 0;
 }
 
-int ieee80211_master_start_xmit(struct sk_buff *skb,
-				struct net_device *dev)
+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;
 	struct ieee80211_sub_if_data *osdata;
 	int headroom;
 	bool may_encrypt;
+	enum {
+		NOT_MONITOR,
+		FOUND_SDATA,
+		UNKNOWN_ADDRESS,
+	} monitor_iface = NOT_MONITOR;
 	int ret;
 
 	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;
 	}
@@ -1331,15 +1296,55 @@ int ieee80211_master_start_xmit(struct sk_buff *skb,
 
 	if (ieee80211_vif_is_mesh(&osdata->vif) &&
 	    ieee80211_is_data(hdr->frame_control)) {
-		if (ieee80211_is_data(hdr->frame_control)) {
-			if (is_multicast_ether_addr(hdr->addr3))
-				memcpy(hdr->addr1, hdr->addr3, ETH_ALEN);
-			else
-				if (mesh_nexthop_lookup(skb, odev))
-					return  0;
-			if (memcmp(odev->dev_addr, hdr->addr4, ETH_ALEN) != 0)
-				IEEE80211_IFSTA_MESH_CTR_INC(&osdata->u.sta,
-							     fwded_frames);
+		if (is_multicast_ether_addr(hdr->addr3))
+			memcpy(hdr->addr1, hdr->addr3, ETH_ALEN);
+		else
+			if (mesh_nexthop_lookup(skb, osdata))
+				return  0;
+		if (memcmp(odev->dev_addr, hdr->addr4, ETH_ALEN) != 0)
+			IEEE80211_IFSTA_MESH_CTR_INC(&osdata->u.mesh,
+							    fwded_frames);
+	} else if (unlikely(osdata->vif.type == NL80211_IFTYPE_MONITOR)) {
+		struct ieee80211_sub_if_data *sdata;
+		int hdrlen;
+		u16 len_rthdr;
+
+		info->flags |= IEEE80211_TX_CTL_INJECTED;
+		monitor_iface = UNKNOWN_ADDRESS;
+
+		len_rthdr = ieee80211_get_radiotap_len(skb->data);
+		hdr = (struct ieee80211_hdr *)skb->data + len_rthdr;
+		hdrlen = ieee80211_hdrlen(hdr->frame_control);
+
+		/* check the header is complete in the frame */
+		if (likely(skb->len >= len_rthdr + hdrlen)) {
+			/*
+			 * We process outgoing injected frames that have a
+			 * local address we handle as though they are our
+			 * own frames.
+			 * This code here isn't entirely correct, the local
+			 * MAC address is not necessarily enough to find
+			 * the interface to use; for that proper VLAN/WDS
+			 * support we will need a different mechanism.
+			 */
+
+			rcu_read_lock();
+			list_for_each_entry_rcu(sdata, &local->interfaces,
+						list) {
+				if (!netif_running(sdata->dev))
+					continue;
+				if (compare_ether_addr(sdata->dev->dev_addr,
+						       hdr->addr2)) {
+					dev_hold(sdata->dev);
+					dev_put(odev);
+					osdata = sdata;
+					odev = osdata->dev;
+					skb->iif = sdata->dev->ifindex;
+					monitor_iface = FOUND_SDATA;
+					break;
+				}
+			}
+			rcu_read_unlock();
 		}
 	}
 
@@ -1357,7 +1362,12 @@ int ieee80211_master_start_xmit(struct sk_buff *skb,
 		return 0;
 	}
 
-	info->control.vif = &osdata->vif;
+	if (osdata->vif.type == NL80211_IFTYPE_AP_VLAN)
+		osdata = container_of(osdata->bss,
+				      struct ieee80211_sub_if_data,
+				      u.ap);
+	if (likely(monitor_iface != UNKNOWN_ADDRESS))
+		info->control.vif = &osdata->vif;
 	ret = ieee80211_tx(odev, skb);
 	dev_put(odev);
 
@@ -1437,8 +1447,8 @@ 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;
@@ -1450,7 +1460,6 @@ 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;
@@ -1465,8 +1474,8 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb,
 	fc = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA);
 
 	switch (sdata->vif.type) {
-	case IEEE80211_IF_TYPE_AP:
-	case IEEE80211_IF_TYPE_VLAN:
+	case NL80211_IFTYPE_AP:
+	case NL80211_IFTYPE_AP_VLAN:
 		fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS);
 		/* DA BSSID SA */
 		memcpy(hdr.addr1, skb->data, ETH_ALEN);
@@ -1474,7 +1483,7 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb,
 		memcpy(hdr.addr3, skb->data + ETH_ALEN, ETH_ALEN);
 		hdrlen = 24;
 		break;
-	case IEEE80211_IF_TYPE_WDS:
+	case NL80211_IFTYPE_WDS:
 		fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS);
 		/* RA TA DA SA */
 		memcpy(hdr.addr1, sdata->u.wds.remote_addr, ETH_ALEN);
@@ -1484,24 +1493,56 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb,
 		hdrlen = 30;
 		break;
 #ifdef CONFIG_MAC80211_MESH
-	case IEEE80211_IF_TYPE_MESH_POINT:
+	case NL80211_IFTYPE_MESH_POINT:
 		fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS);
-		/* RA TA DA SA */
-		memset(hdr.addr1, 0, ETH_ALEN);
-		memcpy(hdr.addr2, dev->dev_addr, ETH_ALEN);
-		memcpy(hdr.addr3, skb->data, ETH_ALEN);
-		memcpy(hdr.addr4, skb->data + ETH_ALEN, ETH_ALEN);
-		if (!sdata->u.sta.mshcfg.dot11MeshTTL) {
+		if (!sdata->u.mesh.mshcfg.dot11MeshTTL) {
 			/* Do not send frames with mesh_ttl == 0 */
-			sdata->u.sta.mshstats.dropped_frames_ttl++;
+			sdata->u.mesh.mshstats.dropped_frames_ttl++;
 			ret = 0;
 			goto fail;
 		}
-		meshhdrlen = ieee80211_new_mesh_header(&mesh_hdr, sdata);
+		memset(&mesh_hdr, 0, sizeof(mesh_hdr));
+
+		if (compare_ether_addr(dev->dev_addr,
+					  skb->data + ETH_ALEN) == 0) {
+			/* RA TA DA SA */
+			memset(hdr.addr1, 0, ETH_ALEN);
+			memcpy(hdr.addr2, dev->dev_addr, ETH_ALEN);
+			memcpy(hdr.addr3, skb->data, ETH_ALEN);
+			memcpy(hdr.addr4, skb->data + ETH_ALEN, ETH_ALEN);
+			meshhdrlen = ieee80211_new_mesh_header(&mesh_hdr, sdata);
+		} else {
+			/* packet from other interface */
+			struct mesh_path *mppath;
+
+			memset(hdr.addr1, 0, ETH_ALEN);
+			memcpy(hdr.addr2, dev->dev_addr, ETH_ALEN);
+			memcpy(hdr.addr4, dev->dev_addr, ETH_ALEN);
+
+			if (is_multicast_ether_addr(skb->data))
+				memcpy(hdr.addr3, skb->data, ETH_ALEN);
+			else {
+				rcu_read_lock();
+				mppath = mpp_path_lookup(skb->data, sdata);
+				if (mppath)
+					memcpy(hdr.addr3, mppath->mpp, ETH_ALEN);
+				else
+					memset(hdr.addr3, 0xff, ETH_ALEN);
+				rcu_read_unlock();
+			}
+
+			mesh_hdr.flags |= MESH_FLAGS_AE_A5_A6;
+			mesh_hdr.ttl = sdata->u.mesh.mshcfg.dot11MeshTTL;
+			put_unaligned(cpu_to_le32(sdata->u.mesh.mesh_seqnum), &mesh_hdr.seqnum);
+			memcpy(mesh_hdr.eaddr1, skb->data, ETH_ALEN);
+			memcpy(mesh_hdr.eaddr2, skb->data + ETH_ALEN, ETH_ALEN);
+			sdata->u.mesh.mesh_seqnum++;
+			meshhdrlen = 18;
+		}
 		hdrlen = 30;
 		break;
 #endif
-	case IEEE80211_IF_TYPE_STA:
+	case NL80211_IFTYPE_STATION:
 		fc |= cpu_to_le16(IEEE80211_FCTL_TODS);
 		/* BSSID SA DA */
 		memcpy(hdr.addr1, sdata->u.sta.bssid, ETH_ALEN);
@@ -1509,7 +1550,7 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb,
 		memcpy(hdr.addr3, skb->data, ETH_ALEN);
 		hdrlen = 24;
 		break;
-	case IEEE80211_IF_TYPE_IBSS:
+	case NL80211_IFTYPE_ADHOC:
 		/* DA SA BSSID */
 		memcpy(hdr.addr1, skb->data, ETH_ALEN);
 		memcpy(hdr.addr2, skb->data + ETH_ALEN, ETH_ALEN);
@@ -1588,19 +1629,6 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb,
 	nh_pos -= skip_header_bytes;
 	h_pos -= skip_header_bytes;
 
-	/* TODO: implement support for fragments so that there is no need to
-	 * reallocate and copy payload; it might be enough to support one
-	 * extra fragment that would be copied in the beginning of the frame
-	 * data.. anyway, it would be nice to include this into skb structure
-	 * somehow
-	 *
-	 * There are few options for this:
-	 * use skb->cb as an extra space for 802.11 header
-	 * allocate new buffer if not enough headroom
-	 * make sure that there is enough headroom in every skb by increasing
-	 * build in headroom in __dev_alloc_skb() (linux/skbuff.h) and
-	 * alloc_skb() (net/core/skbuff.c)
-	 */
 	head_need = hdrlen + encaps_len + meshhdrlen - skb_headroom(skb);
 
 	/*
@@ -1823,10 +1851,7 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw,
 	struct rate_selection rsel;
 	struct beacon_data *beacon;
 	struct ieee80211_supported_band *sband;
-	struct ieee80211_mgmt *mgmt;
-	int *num_beacons;
 	enum ieee80211_band band = local->hw.conf.channel->band;
-	u8 *pos;
 
 	sband = local->hw.wiphy->bands[band];
 
@@ -1835,7 +1860,7 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw,
 	sdata = vif_to_sdata(vif);
 	bdev = sdata->dev;
 
-	if (sdata->vif.type == IEEE80211_IF_TYPE_AP) {
+	if (sdata->vif.type == NL80211_IFTYPE_AP) {
 		ap = &sdata->u.ap;
 		beacon = rcu_dereference(ap->beacon);
 		if (ap && beacon) {
@@ -1873,11 +1898,9 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw,
 			if (beacon->tail)
 				memcpy(skb_put(skb, beacon->tail_len),
 				       beacon->tail, beacon->tail_len);
-
-			num_beacons = &ap->num_beacons;
 		} else
 			goto out;
-	} else if (sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
+	} else if (sdata->vif.type == NL80211_IFTYPE_ADHOC) {
 		struct ieee80211_hdr *hdr;
 		ifsta = &sdata->u.sta;
 
@@ -1889,11 +1912,13 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw,
 			goto out;
 
 		hdr = (struct ieee80211_hdr *) skb->data;
-		hdr->frame_control = IEEE80211_FC(IEEE80211_FTYPE_MGMT,
-						  IEEE80211_STYPE_BEACON);
+		hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
+						 IEEE80211_STYPE_BEACON);
 
-		num_beacons = &ifsta->num_beacons;
 	} else if (ieee80211_vif_is_mesh(&sdata->vif)) {
+		struct ieee80211_mgmt *mgmt;
+		u8 *pos;
+
 		/* headroom, head length, tail length and maximum TIM length */
 		skb = dev_alloc_skb(local->tx_headroom + 400);
 		if (!skb)
@@ -1916,9 +1941,7 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw,
 		*pos++ = WLAN_EID_SSID;
 		*pos++ = 0x0;
 
-		mesh_mgmt_ies_add(skb, sdata->dev);
-
-		num_beacons = &sdata->u.sta.num_beacons;
+		mesh_mgmt_ies_add(skb, sdata);
 	} else {
 		WARN_ON(1);
 		goto out;
@@ -1929,7 +1952,7 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw,
 	skb->do_not_encrypt = 1;
 
 	info->band = band;
-	rate_control_get_rate(local->mdev, sband, skb, &rsel);
+	rate_control_get_rate(sdata, sband, NULL, skb, &rsel);
 
 	if (unlikely(rsel.rate_idx < 0)) {
 		if (net_ratelimit()) {
@@ -1955,7 +1978,6 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw,
 	info->antenna_sel_tx = local->hw.conf.antenna_sel_tx;
 	info->control.retry_limit = 1;
 
-	(*num_beacons)++;
 out:
 	rcu_read_unlock();
 	return skb;
@@ -2017,7 +2039,7 @@ ieee80211_get_buffered_bc(struct ieee80211_hw *hw,
 	rcu_read_lock();
 	beacon = rcu_dereference(bss->beacon);
 
-	if (sdata->vif.type != IEEE80211_IF_TYPE_AP || !beacon || !beacon->head)
+	if (sdata->vif.type != NL80211_IFTYPE_AP || !beacon || !beacon->head)
 		goto out;
 
 	if (bss->dtim_count != 0)
@@ -2039,7 +2061,7 @@ 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);
 	}
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 0d463c80c40..f32561ec224 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -43,7 +43,7 @@ const unsigned char bridge_tunnel_header[] __aligned(2) =
 
 
 u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len,
-			enum ieee80211_if_types type)
+			enum nl80211_iftype type)
 {
 	__le16 fc = hdr->frame_control;
 
@@ -77,10 +77,10 @@ u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len,
 
 		if (ieee80211_is_back_req(fc)) {
 			switch (type) {
-			case IEEE80211_IF_TYPE_STA:
+			case NL80211_IFTYPE_STATION:
 				return hdr->addr2;
-			case IEEE80211_IF_TYPE_AP:
-			case IEEE80211_IF_TYPE_VLAN:
+			case NL80211_IFTYPE_AP:
+			case NL80211_IFTYPE_AP_VLAN:
 				return hdr->addr1;
 			default:
 				break; /* fall through to the return */
@@ -91,45 +91,6 @@ u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len,
 	return NULL;
 }
 
-int ieee80211_get_hdrlen(u16 fc)
-{
-	int hdrlen = 24;
-
-	switch (fc & IEEE80211_FCTL_FTYPE) {
-	case IEEE80211_FTYPE_DATA:
-		if ((fc & IEEE80211_FCTL_FROMDS) && (fc & IEEE80211_FCTL_TODS))
-			hdrlen = 30; /* Addr4 */
-		/*
-		 * The QoS Control field is two bytes and its presence is
-		 * indicated by the IEEE80211_STYPE_QOS_DATA bit. Add 2 to
-		 * hdrlen if that bit is set.
-		 * This works by masking out the bit and shifting it to
-		 * bit position 1 so the result has the value 0 or 2.
-		 */
-		hdrlen += (fc & IEEE80211_STYPE_QOS_DATA)
-				>> (ilog2(IEEE80211_STYPE_QOS_DATA)-1);
-		break;
-	case IEEE80211_FTYPE_CTL:
-		/*
-		 * ACK and CTS are 10 bytes, all others 16. To see how
-		 * to get this condition consider
-		 *   subtype mask:   0b0000000011110000 (0x00F0)
-		 *   ACK subtype:    0b0000000011010000 (0x00D0)
-		 *   CTS subtype:    0b0000000011000000 (0x00C0)
-		 *   bits that matter:         ^^^      (0x00E0)
-		 *   value of those: 0b0000000011000000 (0x00C0)
-		 */
-		if ((fc & 0xE0) == 0xC0)
-			hdrlen = 10;
-		else
-			hdrlen = 16;
-		break;
-	}
-
-	return hdrlen;
-}
-EXPORT_SYMBOL(ieee80211_get_hdrlen);
-
 unsigned int ieee80211_hdrlen(__le16 fc)
 {
 	unsigned int hdrlen = 24;
@@ -270,16 +231,21 @@ __le16 ieee80211_generic_frame_duration(struct ieee80211_hw *hw,
 					struct ieee80211_rate *rate)
 {
 	struct ieee80211_local *local = hw_to_local(hw);
-	struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
+	struct ieee80211_sub_if_data *sdata;
 	u16 dur;
 	int erp;
+	bool short_preamble = false;
 
 	erp = 0;
-	if (sdata->flags & IEEE80211_SDATA_OPERATING_GMODE)
-		erp = rate->flags & IEEE80211_RATE_ERP_G;
+	if (vif) {
+		sdata = vif_to_sdata(vif);
+		short_preamble = sdata->bss_conf.use_short_preamble;
+		if (sdata->flags & IEEE80211_SDATA_OPERATING_GMODE)
+			erp = rate->flags & IEEE80211_RATE_ERP_G;
+	}
 
 	dur = ieee80211_frame_duration(local, frame_len, rate->bitrate, erp,
-				       sdata->bss_conf.use_short_preamble);
+				       short_preamble);
 
 	return cpu_to_le16(dur);
 }
@@ -291,7 +257,7 @@ __le16 ieee80211_rts_duration(struct ieee80211_hw *hw,
 {
 	struct ieee80211_local *local = hw_to_local(hw);
 	struct ieee80211_rate *rate;
-	struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
+	struct ieee80211_sub_if_data *sdata;
 	bool short_preamble;
 	int erp;
 	u16 dur;
@@ -299,13 +265,17 @@ __le16 ieee80211_rts_duration(struct ieee80211_hw *hw,
 
 	sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
 
-	short_preamble = sdata->bss_conf.use_short_preamble;
+	short_preamble = false;
 
 	rate = &sband->bitrates[frame_txctl->control.rts_cts_rate_idx];
 
 	erp = 0;
-	if (sdata->flags & IEEE80211_SDATA_OPERATING_GMODE)
-		erp = rate->flags & IEEE80211_RATE_ERP_G;
+	if (vif) {
+		sdata = vif_to_sdata(vif);
+		short_preamble = sdata->bss_conf.use_short_preamble;
+		if (sdata->flags & IEEE80211_SDATA_OPERATING_GMODE)
+			erp = rate->flags & IEEE80211_RATE_ERP_G;
+	}
 
 	/* CTS duration */
 	dur = ieee80211_frame_duration(local, 10, rate->bitrate,
@@ -328,7 +298,7 @@ __le16 ieee80211_ctstoself_duration(struct ieee80211_hw *hw,
 {
 	struct ieee80211_local *local = hw_to_local(hw);
 	struct ieee80211_rate *rate;
-	struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
+	struct ieee80211_sub_if_data *sdata;
 	bool short_preamble;
 	int erp;
 	u16 dur;
@@ -336,12 +306,16 @@ __le16 ieee80211_ctstoself_duration(struct ieee80211_hw *hw,
 
 	sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
 
-	short_preamble = sdata->bss_conf.use_short_preamble;
+	short_preamble = false;
 
 	rate = &sband->bitrates[frame_txctl->control.rts_cts_rate_idx];
 	erp = 0;
-	if (sdata->flags & IEEE80211_SDATA_OPERATING_GMODE)
-		erp = rate->flags & IEEE80211_RATE_ERP_G;
+	if (vif) {
+		sdata = vif_to_sdata(vif);
+		short_preamble = sdata->bss_conf.use_short_preamble;
+		if (sdata->flags & IEEE80211_SDATA_OPERATING_GMODE)
+			erp = rate->flags & IEEE80211_RATE_ERP_G;
+	}
 
 	/* Data frame duration */
 	dur = ieee80211_frame_duration(local, frame_len, rate->bitrate,
@@ -386,6 +360,13 @@ void ieee80211_stop_queues(struct ieee80211_hw *hw)
 }
 EXPORT_SYMBOL(ieee80211_stop_queues);
 
+int ieee80211_queue_stopped(struct ieee80211_hw *hw, int queue)
+{
+	struct ieee80211_local *local = hw_to_local(hw);
+	return __netif_subqueue_stopped(local->mdev, queue);
+}
+EXPORT_SYMBOL(ieee80211_queue_stopped);
+
 void ieee80211_wake_queues(struct ieee80211_hw *hw)
 {
 	int i;
@@ -408,15 +389,16 @@ void ieee80211_iterate_active_interfaces(
 
 	list_for_each_entry(sdata, &local->interfaces, list) {
 		switch (sdata->vif.type) {
-		case IEEE80211_IF_TYPE_INVALID:
-		case IEEE80211_IF_TYPE_MNTR:
-		case IEEE80211_IF_TYPE_VLAN:
+		case __NL80211_IFTYPE_AFTER_LAST:
+		case NL80211_IFTYPE_UNSPECIFIED:
+		case NL80211_IFTYPE_MONITOR:
+		case NL80211_IFTYPE_AP_VLAN:
 			continue;
-		case IEEE80211_IF_TYPE_AP:
-		case IEEE80211_IF_TYPE_STA:
-		case IEEE80211_IF_TYPE_IBSS:
-		case IEEE80211_IF_TYPE_WDS:
-		case IEEE80211_IF_TYPE_MESH_POINT:
+		case NL80211_IFTYPE_AP:
+		case NL80211_IFTYPE_STATION:
+		case NL80211_IFTYPE_ADHOC:
+		case NL80211_IFTYPE_WDS:
+		case NL80211_IFTYPE_MESH_POINT:
 			break;
 		}
 		if (netif_running(sdata->dev))
@@ -441,15 +423,16 @@ void ieee80211_iterate_active_interfaces_atomic(
 
 	list_for_each_entry_rcu(sdata, &local->interfaces, list) {
 		switch (sdata->vif.type) {
-		case IEEE80211_IF_TYPE_INVALID:
-		case IEEE80211_IF_TYPE_MNTR:
-		case IEEE80211_IF_TYPE_VLAN:
+		case __NL80211_IFTYPE_AFTER_LAST:
+		case NL80211_IFTYPE_UNSPECIFIED:
+		case NL80211_IFTYPE_MONITOR:
+		case NL80211_IFTYPE_AP_VLAN:
 			continue;
-		case IEEE80211_IF_TYPE_AP:
-		case IEEE80211_IF_TYPE_STA:
-		case IEEE80211_IF_TYPE_IBSS:
-		case IEEE80211_IF_TYPE_WDS:
-		case IEEE80211_IF_TYPE_MESH_POINT:
+		case NL80211_IFTYPE_AP:
+		case NL80211_IFTYPE_STATION:
+		case NL80211_IFTYPE_ADHOC:
+		case NL80211_IFTYPE_WDS:
+		case NL80211_IFTYPE_MESH_POINT:
 			break;
 		}
 		if (netif_running(sdata->dev))
@@ -460,3 +443,243 @@ void ieee80211_iterate_active_interfaces_atomic(
 	rcu_read_unlock();
 }
 EXPORT_SYMBOL_GPL(ieee80211_iterate_active_interfaces_atomic);
+
+void ieee802_11_parse_elems(u8 *start, size_t len,
+			    struct ieee802_11_elems *elems)
+{
+	size_t left = len;
+	u8 *pos = start;
+
+	memset(elems, 0, sizeof(*elems));
+	elems->ie_start = start;
+	elems->total_len = len;
+
+	while (left >= 2) {
+		u8 id, elen;
+
+		id = *pos++;
+		elen = *pos++;
+		left -= 2;
+
+		if (elen > left)
+			return;
+
+		switch (id) {
+		case WLAN_EID_SSID:
+			elems->ssid = pos;
+			elems->ssid_len = elen;
+			break;
+		case WLAN_EID_SUPP_RATES:
+			elems->supp_rates = pos;
+			elems->supp_rates_len = elen;
+			break;
+		case WLAN_EID_FH_PARAMS:
+			elems->fh_params = pos;
+			elems->fh_params_len = elen;
+			break;
+		case WLAN_EID_DS_PARAMS:
+			elems->ds_params = pos;
+			elems->ds_params_len = elen;
+			break;
+		case WLAN_EID_CF_PARAMS:
+			elems->cf_params = pos;
+			elems->cf_params_len = elen;
+			break;
+		case WLAN_EID_TIM:
+			elems->tim = pos;
+			elems->tim_len = elen;
+			break;
+		case WLAN_EID_IBSS_PARAMS:
+			elems->ibss_params = pos;
+			elems->ibss_params_len = elen;
+			break;
+		case WLAN_EID_CHALLENGE:
+			elems->challenge = pos;
+			elems->challenge_len = elen;
+			break;
+		case WLAN_EID_WPA:
+			if (elen >= 4 && pos[0] == 0x00 && pos[1] == 0x50 &&
+			    pos[2] == 0xf2) {
+				/* Microsoft OUI (00:50:F2) */
+				if (pos[3] == 1) {
+					/* OUI Type 1 - WPA IE */
+					elems->wpa = pos;
+					elems->wpa_len = elen;
+				} else if (elen >= 5 && pos[3] == 2) {
+					if (pos[4] == 0) {
+						elems->wmm_info = pos;
+						elems->wmm_info_len = elen;
+					} else if (pos[4] == 1) {
+						elems->wmm_param = pos;
+						elems->wmm_param_len = elen;
+					}
+				}
+			}
+			break;
+		case WLAN_EID_RSN:
+			elems->rsn = pos;
+			elems->rsn_len = elen;
+			break;
+		case WLAN_EID_ERP_INFO:
+			elems->erp_info = pos;
+			elems->erp_info_len = elen;
+			break;
+		case WLAN_EID_EXT_SUPP_RATES:
+			elems->ext_supp_rates = pos;
+			elems->ext_supp_rates_len = elen;
+			break;
+		case WLAN_EID_HT_CAPABILITY:
+			elems->ht_cap_elem = pos;
+			elems->ht_cap_elem_len = elen;
+			break;
+		case WLAN_EID_HT_EXTRA_INFO:
+			elems->ht_info_elem = pos;
+			elems->ht_info_elem_len = elen;
+			break;
+		case WLAN_EID_MESH_ID:
+			elems->mesh_id = pos;
+			elems->mesh_id_len = elen;
+			break;
+		case WLAN_EID_MESH_CONFIG:
+			elems->mesh_config = pos;
+			elems->mesh_config_len = elen;
+			break;
+		case WLAN_EID_PEER_LINK:
+			elems->peer_link = pos;
+			elems->peer_link_len = elen;
+			break;
+		case WLAN_EID_PREQ:
+			elems->preq = pos;
+			elems->preq_len = elen;
+			break;
+		case WLAN_EID_PREP:
+			elems->prep = pos;
+			elems->prep_len = elen;
+			break;
+		case WLAN_EID_PERR:
+			elems->perr = pos;
+			elems->perr_len = elen;
+			break;
+		case WLAN_EID_CHANNEL_SWITCH:
+			elems->ch_switch_elem = pos;
+			elems->ch_switch_elem_len = elen;
+			break;
+		case WLAN_EID_QUIET:
+			if (!elems->quiet_elem) {
+				elems->quiet_elem = pos;
+				elems->quiet_elem_len = elen;
+			}
+			elems->num_of_quiet_elem++;
+			break;
+		case WLAN_EID_COUNTRY:
+			elems->country_elem = pos;
+			elems->country_elem_len = elen;
+			break;
+		case WLAN_EID_PWR_CONSTRAINT:
+			elems->pwr_constr_elem = pos;
+			elems->pwr_constr_elem_len = elen;
+			break;
+		default:
+			break;
+		}
+
+		left -= elen;
+		pos += elen;
+	}
+}
+
+void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata)
+{
+	struct ieee80211_local *local = sdata->local;
+	struct ieee80211_tx_queue_params qparam;
+	int i;
+
+	if (!local->ops->conf_tx)
+		return;
+
+	memset(&qparam, 0, sizeof(qparam));
+
+	qparam.aifs = 2;
+
+	if (local->hw.conf.channel->band == IEEE80211_BAND_2GHZ &&
+	    !(sdata->flags & IEEE80211_SDATA_OPERATING_GMODE))
+		qparam.cw_min = 31;
+	else
+		qparam.cw_min = 15;
+
+	qparam.cw_max = 1023;
+	qparam.txop = 0;
+
+	for (i = 0; i < local_to_hw(local)->queues; i++)
+		local->ops->conf_tx(local_to_hw(local), i, &qparam);
+}
+
+void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb,
+		      int encrypt)
+{
+	skb->dev = sdata->local->mdev;
+	skb_set_mac_header(skb, 0);
+	skb_set_network_header(skb, 0);
+	skb_set_transport_header(skb, 0);
+
+	skb->iif = sdata->dev->ifindex;
+	skb->do_not_encrypt = !encrypt;
+
+	dev_queue_xmit(skb);
+}
+
+int ieee80211_set_freq(struct ieee80211_sub_if_data *sdata, int freqMHz)
+{
+	int ret = -EINVAL;
+	struct ieee80211_channel *chan;
+	struct ieee80211_local *local = sdata->local;
+
+	chan = ieee80211_get_channel(local->hw.wiphy, freqMHz);
+
+	if (chan && !(chan->flags & IEEE80211_CHAN_DISABLED)) {
+		if (sdata->vif.type == NL80211_IFTYPE_ADHOC &&
+		    chan->flags & IEEE80211_CHAN_NO_IBSS) {
+			printk(KERN_DEBUG "%s: IBSS not allowed on frequency "
+				"%d MHz\n", sdata->dev->name, chan->center_freq);
+			return ret;
+		}
+		local->oper_channel = chan;
+
+		if (local->sw_scanning || local->hw_scanning)
+			ret = 0;
+		else
+			ret = ieee80211_hw_config(local);
+
+		rate_control_clear(local);
+	}
+
+	return ret;
+}
+
+u64 ieee80211_mandatory_rates(struct ieee80211_local *local,
+			      enum ieee80211_band band)
+{
+	struct ieee80211_supported_band *sband;
+	struct ieee80211_rate *bitrates;
+	u64 mandatory_rates;
+	enum ieee80211_rate_flags mandatory_flag;
+	int i;
+
+	sband = local->hw.wiphy->bands[band];
+	if (!sband) {
+		WARN_ON(1);
+		sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
+	}
+
+	if (band == IEEE80211_BAND_2GHZ)
+		mandatory_flag = IEEE80211_RATE_MANDATORY_B;
+	else
+		mandatory_flag = IEEE80211_RATE_MANDATORY_A;
+
+	bitrates = sband->bitrates;
+	mandatory_rates = 0;
+	for (i = 0; i < sband->n_bitrates; i++)
+		if (bitrates[i].flags & mandatory_flag)
+			mandatory_rates |= BIT(i);
+	return mandatory_rates;
+}
diff --git a/net/mac80211/wep.c b/net/mac80211/wep.c
index 5c2bf0a3d4d..f0e2d3ecb5c 100644
--- a/net/mac80211/wep.c
+++ b/net/mac80211/wep.c
@@ -228,11 +228,10 @@ int ieee80211_wep_decrypt(struct ieee80211_local *local, struct sk_buff *skb,
 		return -1;
 
 	hdrlen = ieee80211_hdrlen(hdr->frame_control);
-
-	if (skb->len < 8 + hdrlen)
+	if (skb->len < hdrlen + WEP_IV_LEN + WEP_ICV_LEN)
 		return -1;
 
-	len = skb->len - hdrlen - 8;
+	len = skb->len - hdrlen - WEP_IV_LEN - WEP_ICV_LEN;
 
 	keyidx = skb->data[hdrlen + 3] >> 6;
 
@@ -292,9 +291,10 @@ u8 * ieee80211_wep_is_weak_iv(struct sk_buff *skb, struct ieee80211_key *key)
 ieee80211_rx_result
 ieee80211_crypto_wep_decrypt(struct ieee80211_rx_data *rx)
 {
-	if ((rx->fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA &&
-	    ((rx->fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_MGMT ||
-	     (rx->fc & IEEE80211_FCTL_STYPE) != IEEE80211_STYPE_AUTH))
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;
+
+	if (!ieee80211_is_data(hdr->frame_control) &&
+	    !ieee80211_is_auth(hdr->frame_control))
 		return RX_CONTINUE;
 
 	if (!(rx->status->flag & RX_FLAG_DECRYPTED)) {
@@ -303,7 +303,7 @@ ieee80211_crypto_wep_decrypt(struct ieee80211_rx_data *rx)
 	} else if (!(rx->status->flag & RX_FLAG_IV_STRIPPED)) {
 		ieee80211_wep_remove_iv(rx->local, rx->skb, rx->key);
 		/* remove ICV */
-		skb_trim(rx->skb, rx->skb->len - 4);
+		skb_trim(rx->skb, rx->skb->len - WEP_ICV_LEN);
 	}
 
 	return RX_CONTINUE;
@@ -313,9 +313,6 @@ static int wep_encrypt_skb(struct ieee80211_tx_data *tx, struct sk_buff *skb)
 {
 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
 
-	info->control.iv_len = WEP_IV_LEN;
-	info->control.icv_len = WEP_ICV_LEN;
-
 	if (!(tx->key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)) {
 		if (ieee80211_wep_encrypt(tx->local, skb, tx->key))
 			return -1;
diff --git a/net/mac80211/wext.c b/net/mac80211/wext.c
index 34fa8ed1e78..7e0d53abde2 100644
--- a/net/mac80211/wext.c
+++ b/net/mac80211/wext.c
@@ -27,22 +27,19 @@
 #include "aes_ccm.h"
 
 
-static int ieee80211_set_encryption(struct net_device *dev, u8 *sta_addr,
+static int ieee80211_set_encryption(struct ieee80211_sub_if_data *sdata, u8 *sta_addr,
 				    int idx, int alg, int remove,
 				    int set_tx_key, const u8 *_key,
 				    size_t key_len)
 {
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+	struct ieee80211_local *local = sdata->local;
 	struct sta_info *sta;
 	struct ieee80211_key *key;
-	struct ieee80211_sub_if_data *sdata;
 	int err;
 
-	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
 	if (idx < 0 || idx >= NUM_DEFAULT_KEYS) {
 		printk(KERN_DEBUG "%s: set_encrypt - invalid idx=%d\n",
-		       dev->name, idx);
+		       sdata->dev->name, idx);
 		return -EINVAL;
 	}
 
@@ -125,13 +122,13 @@ static int ieee80211_ioctl_siwgenie(struct net_device *dev,
 	if (sdata->flags & IEEE80211_SDATA_USERSPACE_MLME)
 		return -EOPNOTSUPP;
 
-	if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
-	    sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
-		int ret = ieee80211_sta_set_extra_ie(dev, extra, data->length);
+	if (sdata->vif.type == NL80211_IFTYPE_STATION ||
+	    sdata->vif.type == NL80211_IFTYPE_ADHOC) {
+		int ret = ieee80211_sta_set_extra_ie(sdata, extra, data->length);
 		if (ret)
 			return ret;
 		sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
-		ieee80211_sta_req_auth(dev, &sdata->u.sta);
+		ieee80211_sta_req_auth(sdata, &sdata->u.sta);
 		return 0;
 	}
 
@@ -276,21 +273,21 @@ static int ieee80211_ioctl_siwmode(struct net_device *dev,
 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 	int type;
 
-	if (sdata->vif.type == IEEE80211_IF_TYPE_VLAN)
+	if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
 		return -EOPNOTSUPP;
 
 	switch (*mode) {
 	case IW_MODE_INFRA:
-		type = IEEE80211_IF_TYPE_STA;
+		type = NL80211_IFTYPE_STATION;
 		break;
 	case IW_MODE_ADHOC:
-		type = IEEE80211_IF_TYPE_IBSS;
+		type = NL80211_IFTYPE_ADHOC;
 		break;
 	case IW_MODE_REPEAT:
-		type = IEEE80211_IF_TYPE_WDS;
+		type = NL80211_IFTYPE_WDS;
 		break;
 	case IW_MODE_MONITOR:
-		type = IEEE80211_IF_TYPE_MNTR;
+		type = NL80211_IFTYPE_MONITOR;
 		break;
 	default:
 		return -EINVAL;
@@ -308,22 +305,22 @@ static int ieee80211_ioctl_giwmode(struct net_device *dev,
 
 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 	switch (sdata->vif.type) {
-	case IEEE80211_IF_TYPE_AP:
+	case NL80211_IFTYPE_AP:
 		*mode = IW_MODE_MASTER;
 		break;
-	case IEEE80211_IF_TYPE_STA:
+	case NL80211_IFTYPE_STATION:
 		*mode = IW_MODE_INFRA;
 		break;
-	case IEEE80211_IF_TYPE_IBSS:
+	case NL80211_IFTYPE_ADHOC:
 		*mode = IW_MODE_ADHOC;
 		break;
-	case IEEE80211_IF_TYPE_MNTR:
+	case NL80211_IFTYPE_MONITOR:
 		*mode = IW_MODE_MONITOR;
 		break;
-	case IEEE80211_IF_TYPE_WDS:
+	case NL80211_IFTYPE_WDS:
 		*mode = IW_MODE_REPEAT;
 		break;
-	case IEEE80211_IF_TYPE_VLAN:
+	case NL80211_IFTYPE_AP_VLAN:
 		*mode = IW_MODE_SECOND;		/* FIXME */
 		break;
 	default:
@@ -333,60 +330,31 @@ static int ieee80211_ioctl_giwmode(struct net_device *dev,
 	return 0;
 }
 
-int ieee80211_set_freq(struct net_device *dev, int freqMHz)
-{
-	int ret = -EINVAL;
-	struct ieee80211_channel *chan;
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
-	chan = ieee80211_get_channel(local->hw.wiphy, freqMHz);
-
-	if (chan && !(chan->flags & IEEE80211_CHAN_DISABLED)) {
-		if (sdata->vif.type == IEEE80211_IF_TYPE_IBSS &&
-		    chan->flags & IEEE80211_CHAN_NO_IBSS) {
-			printk(KERN_DEBUG "%s: IBSS not allowed on frequency "
-				"%d MHz\n", dev->name, chan->center_freq);
-			return ret;
-		}
-		local->oper_channel = chan;
-
-		if (local->sta_sw_scanning || local->sta_hw_scanning)
-			ret = 0;
-		else
-			ret = ieee80211_hw_config(local);
-
-		rate_control_clear(local);
-	}
-
-	return ret;
-}
-
 static int ieee80211_ioctl_siwfreq(struct net_device *dev,
 				   struct iw_request_info *info,
 				   struct iw_freq *freq, char *extra)
 {
 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 
-	if (sdata->vif.type == IEEE80211_IF_TYPE_STA)
+	if (sdata->vif.type == NL80211_IFTYPE_STATION)
 		sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_CHANNEL_SEL;
 
 	/* freq->e == 0: freq->m = channel; otherwise freq = m * 10^e */
 	if (freq->e == 0) {
 		if (freq->m < 0) {
-			if (sdata->vif.type == IEEE80211_IF_TYPE_STA)
+			if (sdata->vif.type == NL80211_IFTYPE_STATION)
 				sdata->u.sta.flags |=
 					IEEE80211_STA_AUTO_CHANNEL_SEL;
 			return 0;
 		} else
-			return ieee80211_set_freq(dev,
+			return ieee80211_set_freq(sdata,
 				ieee80211_channel_to_frequency(freq->m));
 	} else {
 		int i, div = 1000000;
 		for (i = 0; i < freq->e; i++)
 			div /= 10;
 		if (div > 0)
-			return ieee80211_set_freq(dev, freq->m / div);
+			return ieee80211_set_freq(sdata, freq->m / div);
 		else
 			return -EINVAL;
 	}
@@ -418,8 +386,8 @@ static int ieee80211_ioctl_siwessid(struct net_device *dev,
 		len--;
 
 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
-	    sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
+	if (sdata->vif.type == NL80211_IFTYPE_STATION ||
+	    sdata->vif.type == NL80211_IFTYPE_ADHOC) {
 		int ret;
 		if (sdata->flags & IEEE80211_SDATA_USERSPACE_MLME) {
 			if (len > IEEE80211_MAX_SSID_LEN)
@@ -432,14 +400,14 @@ static int ieee80211_ioctl_siwessid(struct net_device *dev,
 			sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_SSID_SEL;
 		else
 			sdata->u.sta.flags |= IEEE80211_STA_AUTO_SSID_SEL;
-		ret = ieee80211_sta_set_ssid(dev, ssid, len);
+		ret = ieee80211_sta_set_ssid(sdata, ssid, len);
 		if (ret)
 			return ret;
-		ieee80211_sta_req_auth(dev, &sdata->u.sta);
+		ieee80211_sta_req_auth(sdata, &sdata->u.sta);
 		return 0;
 	}
 
-	if (sdata->vif.type == IEEE80211_IF_TYPE_AP) {
+	if (sdata->vif.type == NL80211_IFTYPE_AP) {
 		memcpy(sdata->u.ap.ssid, ssid, len);
 		memset(sdata->u.ap.ssid + len, 0,
 		       IEEE80211_MAX_SSID_LEN - len);
@@ -458,9 +426,9 @@ static int ieee80211_ioctl_giwessid(struct net_device *dev,
 
 	struct ieee80211_sub_if_data *sdata;
 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
-	    sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
-		int res = ieee80211_sta_get_ssid(dev, ssid, &len);
+	if (sdata->vif.type == NL80211_IFTYPE_STATION ||
+	    sdata->vif.type == NL80211_IFTYPE_ADHOC) {
+		int res = ieee80211_sta_get_ssid(sdata, ssid, &len);
 		if (res == 0) {
 			data->length = len;
 			data->flags = 1;
@@ -469,7 +437,7 @@ static int ieee80211_ioctl_giwessid(struct net_device *dev,
 		return res;
 	}
 
-	if (sdata->vif.type == IEEE80211_IF_TYPE_AP) {
+	if (sdata->vif.type == NL80211_IFTYPE_AP) {
 		len = sdata->u.ap.ssid_len;
 		if (len > IW_ESSID_MAX_SIZE)
 			len = IW_ESSID_MAX_SIZE;
@@ -489,8 +457,8 @@ static int ieee80211_ioctl_siwap(struct net_device *dev,
 	struct ieee80211_sub_if_data *sdata;
 
 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
-	    sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
+	if (sdata->vif.type == NL80211_IFTYPE_STATION ||
+	    sdata->vif.type == NL80211_IFTYPE_ADHOC) {
 		int ret;
 		if (sdata->flags & IEEE80211_SDATA_USERSPACE_MLME) {
 			memcpy(sdata->u.sta.bssid, (u8 *) &ap_addr->sa_data,
@@ -504,12 +472,12 @@ static int ieee80211_ioctl_siwap(struct net_device *dev,
 			sdata->u.sta.flags |= IEEE80211_STA_AUTO_BSSID_SEL;
 		else
 			sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
-		ret = ieee80211_sta_set_bssid(dev, (u8 *) &ap_addr->sa_data);
+		ret = ieee80211_sta_set_bssid(sdata, (u8 *) &ap_addr->sa_data);
 		if (ret)
 			return ret;
-		ieee80211_sta_req_auth(dev, &sdata->u.sta);
+		ieee80211_sta_req_auth(sdata, &sdata->u.sta);
 		return 0;
-	} else if (sdata->vif.type == IEEE80211_IF_TYPE_WDS) {
+	} else if (sdata->vif.type == NL80211_IFTYPE_WDS) {
 		/*
 		 * If it is necessary to update the WDS peer address
 		 * while the interface is running, then we need to do
@@ -537,10 +505,10 @@ static int ieee80211_ioctl_giwap(struct net_device *dev,
 	struct ieee80211_sub_if_data *sdata;
 
 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
-	    sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
-		if (sdata->u.sta.state == IEEE80211_ASSOCIATED ||
-		    sdata->u.sta.state == IEEE80211_IBSS_JOINED) {
+	if (sdata->vif.type == NL80211_IFTYPE_STATION ||
+	    sdata->vif.type == NL80211_IFTYPE_ADHOC) {
+		if (sdata->u.sta.state == IEEE80211_STA_MLME_ASSOCIATED ||
+		    sdata->u.sta.state == IEEE80211_STA_MLME_IBSS_JOINED) {
 			ap_addr->sa_family = ARPHRD_ETHER;
 			memcpy(&ap_addr->sa_data, sdata->u.sta.bssid, ETH_ALEN);
 			return 0;
@@ -548,7 +516,7 @@ static int ieee80211_ioctl_giwap(struct net_device *dev,
 			memset(&ap_addr->sa_data, 0, ETH_ALEN);
 			return 0;
 		}
-	} else if (sdata->vif.type == IEEE80211_IF_TYPE_WDS) {
+	} else if (sdata->vif.type == NL80211_IFTYPE_WDS) {
 		ap_addr->sa_family = ARPHRD_ETHER;
 		memcpy(&ap_addr->sa_data, sdata->u.wds.remote_addr, ETH_ALEN);
 		return 0;
@@ -570,10 +538,10 @@ static int ieee80211_ioctl_siwscan(struct net_device *dev,
 	if (!netif_running(dev))
 		return -ENETDOWN;
 
-	if (sdata->vif.type != IEEE80211_IF_TYPE_STA &&
-	    sdata->vif.type != IEEE80211_IF_TYPE_IBSS &&
-	    sdata->vif.type != IEEE80211_IF_TYPE_MESH_POINT &&
-	    sdata->vif.type != IEEE80211_IF_TYPE_AP)
+	if (sdata->vif.type != NL80211_IFTYPE_STATION &&
+	    sdata->vif.type != NL80211_IFTYPE_ADHOC &&
+	    sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
+	    sdata->vif.type != NL80211_IFTYPE_AP)
 		return -EOPNOTSUPP;
 
 	/* if SSID was specified explicitly then use that */
@@ -584,7 +552,7 @@ static int ieee80211_ioctl_siwscan(struct net_device *dev,
 		ssid_len = req->essid_len;
 	}
 
-	return ieee80211_sta_req_scan(dev, ssid, ssid_len);
+	return ieee80211_request_scan(sdata, ssid, ssid_len);
 }
 
 
@@ -594,11 +562,14 @@ static int ieee80211_ioctl_giwscan(struct net_device *dev,
 {
 	int res;
 	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+	struct ieee80211_sub_if_data *sdata;
+
+	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 
-	if (local->sta_sw_scanning || local->sta_hw_scanning)
+	if (local->sw_scanning || local->hw_scanning)
 		return -EAGAIN;
 
-	res = ieee80211_sta_scan_results(dev, info, extra, data->length);
+	res = ieee80211_scan_results(local, info, extra, data->length);
 	if (res >= 0) {
 		data->length = res;
 		return 0;
@@ -656,7 +627,7 @@ static int ieee80211_ioctl_giwrate(struct net_device *dev,
 
 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 
-	if (sdata->vif.type != IEEE80211_IF_TYPE_STA)
+	if (sdata->vif.type != NL80211_IFTYPE_STATION)
 		return -EOPNOTSUPP;
 
 	sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
@@ -665,8 +636,8 @@ static int ieee80211_ioctl_giwrate(struct net_device *dev,
 
 	sta = sta_info_get(local, sdata->u.sta.bssid);
 
-	if (sta && sta->txrate_idx < sband->n_bitrates)
-		rate->value = sband->bitrates[sta->txrate_idx].bitrate;
+	if (sta && sta->last_txrate_idx < sband->n_bitrates)
+		rate->value = sband->bitrates[sta->last_txrate_idx].bitrate;
 	else
 		rate->value = 0;
 
@@ -887,17 +858,17 @@ static int ieee80211_ioctl_siwmlme(struct net_device *dev,
 	struct iw_mlme *mlme = (struct iw_mlme *) extra;
 
 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	if (sdata->vif.type != IEEE80211_IF_TYPE_STA &&
-	    sdata->vif.type != IEEE80211_IF_TYPE_IBSS)
+	if (sdata->vif.type != NL80211_IFTYPE_STATION &&
+	    sdata->vif.type != NL80211_IFTYPE_ADHOC)
 		return -EINVAL;
 
 	switch (mlme->cmd) {
 	case IW_MLME_DEAUTH:
 		/* TODO: mlme->addr.sa_data */
-		return ieee80211_sta_deauthenticate(dev, mlme->reason_code);
+		return ieee80211_sta_deauthenticate(sdata, mlme->reason_code);
 	case IW_MLME_DISASSOC:
 		/* TODO: mlme->addr.sa_data */
-		return ieee80211_sta_disassociate(dev, mlme->reason_code);
+		return ieee80211_sta_disassociate(sdata, mlme->reason_code);
 	default:
 		return -EOPNOTSUPP;
 	}
@@ -938,7 +909,7 @@ static int ieee80211_ioctl_siwencode(struct net_device *dev,
 	}
 
 	return ieee80211_set_encryption(
-		dev, bcaddr,
+		sdata, bcaddr,
 		idx, alg, remove,
 		!sdata->default_key,
 		keybuf, erq->length);
@@ -983,7 +954,7 @@ static int ieee80211_ioctl_giwencode(struct net_device *dev,
 	erq->length = sdata->keys[idx]->conf.keylen;
 	erq->flags |= IW_ENCODE_ENABLED;
 
-	if (sdata->vif.type == IEEE80211_IF_TYPE_STA) {
+	if (sdata->vif.type == NL80211_IFTYPE_STATION) {
 		struct ieee80211_if_sta *ifsta = &sdata->u.sta;
 		switch (ifsta->auth_alg) {
 		case WLAN_AUTH_OPEN:
@@ -1057,7 +1028,7 @@ static int ieee80211_ioctl_siwauth(struct net_device *dev,
 		sdata->drop_unencrypted = !!data->value;
 		break;
 	case IW_AUTH_PRIVACY_INVOKED:
-		if (sdata->vif.type != IEEE80211_IF_TYPE_STA)
+		if (sdata->vif.type != NL80211_IFTYPE_STATION)
 			ret = -EINVAL;
 		else {
 			sdata->u.sta.flags &= ~IEEE80211_STA_PRIVACY_INVOKED;
@@ -1072,8 +1043,8 @@ static int ieee80211_ioctl_siwauth(struct net_device *dev,
 		}
 		break;
 	case IW_AUTH_80211_AUTH_ALG:
-		if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
-		    sdata->vif.type == IEEE80211_IF_TYPE_IBSS)
+		if (sdata->vif.type == NL80211_IFTYPE_STATION ||
+		    sdata->vif.type == NL80211_IFTYPE_ADHOC)
 			sdata->u.sta.auth_algs = data->value;
 		else
 			ret = -EOPNOTSUPP;
@@ -1095,8 +1066,8 @@ static struct iw_statistics *ieee80211_get_wireless_stats(struct net_device *dev
 
 	rcu_read_lock();
 
-	if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
-	    sdata->vif.type == IEEE80211_IF_TYPE_IBSS)
+	if (sdata->vif.type == NL80211_IFTYPE_STATION ||
+	    sdata->vif.type == NL80211_IFTYPE_ADHOC)
 		sta = sta_info_get(local, sdata->u.sta.bssid);
 	if (!sta) {
 		wstats->discard.fragment = 0;
@@ -1126,8 +1097,8 @@ static int ieee80211_ioctl_giwauth(struct net_device *dev,
 
 	switch (data->flags & IW_AUTH_INDEX) {
 	case IW_AUTH_80211_AUTH_ALG:
-		if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
-		    sdata->vif.type == IEEE80211_IF_TYPE_IBSS)
+		if (sdata->vif.type == NL80211_IFTYPE_STATION ||
+		    sdata->vif.type == NL80211_IFTYPE_ADHOC)
 			data->value = sdata->u.sta.auth_algs;
 		else
 			ret = -EOPNOTSUPP;
@@ -1184,7 +1155,7 @@ static int ieee80211_ioctl_siwencodeext(struct net_device *dev,
 	} else
 		idx--;
 
-	return ieee80211_set_encryption(dev, ext->addr.sa_data, idx, alg,
+	return ieee80211_set_encryption(sdata, ext->addr.sa_data, idx, alg,
 					remove,
 					ext->ext_flags &
 					IW_ENCODE_EXT_SET_TX_KEY,
diff --git a/net/mac80211/wme.c b/net/mac80211/wme.c
index 4310e2f6566..139b5f267b3 100644
--- a/net/mac80211/wme.c
+++ b/net/mac80211/wme.c
@@ -39,7 +39,7 @@ static unsigned int classify_1d(struct sk_buff *skb)
 		return skb->priority - 256;
 
 	switch (skb->protocol) {
-	case __constant_htons(ETH_P_IP):
+	case htons(ETH_P_IP):
 		dscp = ip_hdr(skb)->tos & 0xfc;
 		break;
 
@@ -47,8 +47,6 @@ static unsigned int classify_1d(struct sk_buff *skb)
 		return 0;
 	}
 
-	if (dscp & 0x1c)
-		return 0;
 	return dscp >> 5;
 }
 
@@ -75,9 +73,8 @@ static int wme_downgrade_ac(struct sk_buff *skb)
 
 
 /* Indicate which queue to use.  */
-static u16 classify80211(struct sk_buff *skb, struct net_device *dev)
+static u16 classify80211(struct ieee80211_local *local, struct sk_buff *skb)
 {
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
 
 	if (!ieee80211_is_data(hdr->frame_control)) {
@@ -115,14 +112,15 @@ static u16 classify80211(struct sk_buff *skb, struct net_device *dev)
 
 u16 ieee80211_select_queue(struct net_device *dev, struct sk_buff *skb)
 {
+	struct ieee80211_master_priv *mpriv = netdev_priv(dev);
+	struct ieee80211_local *local = mpriv->local;
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
 	struct sta_info *sta;
 	u16 queue;
 	u8 tid;
 
-	queue = classify80211(skb, dev);
+	queue = classify80211(local, skb);
 	if (unlikely(queue >= local->hw.queues))
 		queue = local->hw.queues - 1;
 
@@ -212,7 +210,7 @@ int ieee80211_ht_agg_queue_add(struct ieee80211_local *local,
 				DECLARE_MAC_BUF(mac);
 				printk(KERN_DEBUG "allocated aggregation queue"
 					" %d tid %d addr %s pool=0x%lX\n",
-					i, tid, print_mac(mac, sta->addr),
+					i, tid, print_mac(mac, sta->sta.addr),
 					local->queue_pool[0]);
 			}
 #endif /* CONFIG_MAC80211_HT_DEBUG */
diff --git a/net/mac80211/wme.h b/net/mac80211/wme.h
index 04de28c071a..bc62f28a4d3 100644
--- a/net/mac80211/wme.h
+++ b/net/mac80211/wme.h
@@ -1,5 +1,4 @@
 /*
- * IEEE 802.11 driver (80211.o) - QoS datatypes
  * Copyright 2004, Instant802 Networks, Inc.
  * Copyright 2005, Devicescape Software, Inc.
  *
@@ -14,8 +13,6 @@
 #include <linux/netdevice.h>
 #include "ieee80211_i.h"
 
-#define QOS_CONTROL_LEN 2
-
 #define QOS_CONTROL_ACK_POLICY_NORMAL 0
 #define QOS_CONTROL_ACK_POLICY_NOACK 1
 
diff --git a/net/mac80211/wpa.c b/net/mac80211/wpa.c
index 2f33df0dccc..6db649480e8 100644
--- a/net/mac80211/wpa.c
+++ b/net/mac80211/wpa.c
@@ -127,7 +127,7 @@ ieee80211_rx_h_michael_mic_verify(struct ieee80211_rx_data *rx)
 		if (!(rx->flags & IEEE80211_RX_RA_MATCH))
 			return RX_DROP_UNUSABLE;
 
-		mac80211_ev_michael_mic_failure(rx->dev, rx->key->conf.keyidx,
+		mac80211_ev_michael_mic_failure(rx->sdata, rx->key->conf.keyidx,
 						(void *) skb->data);
 		return RX_DROP_UNUSABLE;
 	}
@@ -152,9 +152,6 @@ static int tkip_encrypt_skb(struct ieee80211_tx_data *tx, struct sk_buff *skb)
 	int len, tail;
 	u8 *pos;
 
-	info->control.icv_len = TKIP_ICV_LEN;
-	info->control.iv_len = TKIP_IV_LEN;
-
 	if ((tx->key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) &&
 	    !(tx->key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
 		/* hwaccel - with no need for preallocated room for IV/ICV */
@@ -256,7 +253,7 @@ ieee80211_crypto_tkip_decrypt(struct ieee80211_rx_data *rx)
 
 	res = ieee80211_tkip_decrypt_data(rx->local->wep_rx_tfm,
 					  key, skb->data + hdrlen,
-					  skb->len - hdrlen, rx->sta->addr,
+					  skb->len - hdrlen, rx->sta->sta.addr,
 					  hdr->addr1, hwaccel, rx->queue,
 					  &rx->tkip_iv32,
 					  &rx->tkip_iv16);
@@ -374,9 +371,6 @@ static int ccmp_encrypt_skb(struct ieee80211_tx_data *tx, struct sk_buff *skb)
 	u8 *pos, *pn;
 	int i;
 
-	info->control.icv_len = CCMP_MIC_LEN;
-	info->control.iv_len = CCMP_HDR_LEN;
-
 	if ((tx->key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) &&
 	    !(tx->key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
 		/* hwaccel - with no need for preallocated room for CCMP "