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

author: David S. Miller <davem@davemloft.net> 2009-07-30 19:26:55 -0700
committer: David S. Miller <davem@davemloft.net> 2009-07-30 19:26:55 -0700
commit: 2f6d7c1b34403b97fa57473edcb6749d1db5ace3 (patch)
tree: 97da33c077b08b72a361ff5a4542b86d190b0164 /net
parent: df597efb5737063497f1a4f7c996cc9aec294230 (diff)
parent: 1e4247d457c6a42e4a05cb7dfa4e6ea1fa65c112 (diff)
26 files changed, 846 insertions, 561 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index d6c657ee413..71347668c50 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -5344,6 +5344,7 @@ int dev_change_net_namespace(struct net_device *dev, struct net *net, const char
 out:
 	return err;
 }
+EXPORT_SYMBOL_GPL(dev_change_net_namespace);
 
 static int dev_cpu_callback(struct notifier_block *nfb,
 			    unsigned long action,
diff --git a/net/mac80211/Kconfig b/net/mac80211/Kconfig
index 19a4c66e143..7dd77b6d4c9 100644
--- a/net/mac80211/Kconfig
+++ b/net/mac80211/Kconfig
@@ -6,7 +6,6 @@ config MAC80211
 	select CRYPTO_ARC4
 	select CRYPTO_AES
 	select CRC32
-	select WIRELESS_EXT
 	---help---
 	  This option enables the hardware independent IEEE 802.11
 	  networking stack.
diff --git a/net/mac80211/Makefile b/net/mac80211/Makefile
index 91284a74ff9..9f3cf712932 100644
--- a/net/mac80211/Makefile
+++ b/net/mac80211/Makefile
@@ -3,7 +3,6 @@ obj-$(CONFIG_MAC80211) += mac80211.o
 # mac80211 objects
 mac80211-y := \
 	main.o \
-	wext.o \
 	sta_info.o \
 	wep.o \
 	wpa.o \
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 52928ad9057..4bbf5007799 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -57,19 +57,9 @@ static int ieee80211_add_iface(struct wiphy *wiphy, char *name,
 	return 0;
 }
 
-static int ieee80211_del_iface(struct wiphy *wiphy, int ifindex)
+static int ieee80211_del_iface(struct wiphy *wiphy, struct net_device *dev)
 {
-	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;
-
-	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
-	ieee80211_if_remove(sdata);
+	ieee80211_if_remove(IEEE80211_DEV_TO_SUB_IF(dev));
 
 	return 0;
 }
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index 8e2220000e5..6e3cca65c46 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -742,7 +742,7 @@ static void ieee80211_ibss_work(struct work_struct *work)
 	if (!netif_running(sdata->dev))
 		return;
 
-	if (local->sw_scanning || local->hw_scanning)
+	if (local->scanning)
 		return;
 
 	if (WARN_ON(sdata->vif.type != NL80211_IFTYPE_ADHOC))
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 6a0177137dd..aec6853cb43 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -24,7 +24,6 @@
 #include <linux/spinlock.h>
 #include <linux/etherdevice.h>
 #include <net/cfg80211.h>
-#include <net/iw_handler.h>
 #include <net/mac80211.h>
 #include "key.h"
 #include "sta_info.h"
@@ -570,6 +569,43 @@ enum queue_stop_reason {
 	IEEE80211_QUEUE_STOP_REASON_SKB_ADD,
 };
 
+/**
+ * mac80211 scan flags - currently active scan mode
+ *
+ * @SCAN_SW_SCANNING: We're currently in the process of scanning but may as
+ *	well be on the operating channel
+ * @SCAN_HW_SCANNING: The hardware is scanning for us, we have no way to
+ *	determine if we are on the operating channel or not
+ * @SCAN_OFF_CHANNEL: We're off our operating channel for scanning,
+ *	gets only set in conjunction with SCAN_SW_SCANNING
+ */
+enum {
+	SCAN_SW_SCANNING,
+	SCAN_HW_SCANNING,
+	SCAN_OFF_CHANNEL,
+};
+
+/**
+ * enum mac80211_scan_state - scan state machine states
+ *
+ * @SCAN_DECISION: Main entry point to the scan state machine, this state
+ *	determines if we should keep on scanning or switch back to the
+ *	operating channel
+ * @SCAN_SET_CHANNEL: Set the next channel to be scanned
+ * @SCAN_SEND_PROBE: Send probe requests and wait for probe responses
+ * @SCAN_LEAVE_OPER_CHANNEL: Leave the operating channel, notify the AP
+ *	about us leaving the channel and stop all associated STA interfaces
+ * @SCAN_ENTER_OPER_CHANNEL: Enter the operating channel again, notify the
+ *	AP about us being back and restart all associated STA interfaces
+ */
+enum mac80211_scan_state {
+	SCAN_DECISION,
+	SCAN_SET_CHANNEL,
+	SCAN_SEND_PROBE,
+	SCAN_LEAVE_OPER_CHANNEL,
+	SCAN_ENTER_OPER_CHANNEL,
+};
+
 struct ieee80211_local {
 	/* embed the driver visible part.
 	 * don't cast (use the static inlines below), but we keep
@@ -668,7 +704,7 @@ struct ieee80211_local {
 
 	/* Scanning and BSS list */
 	struct mutex scan_mtx;
-	bool sw_scanning, hw_scanning;
+	unsigned long scanning;
 	struct cfg80211_ssid scan_ssid;
 	struct cfg80211_scan_request int_scan_req;
 	struct cfg80211_scan_request *scan_req;
@@ -678,7 +714,7 @@ struct ieee80211_local {
 	int scan_channel_idx;
 	int scan_ies_len;
 
-	enum { SCAN_SET_CHANNEL, SCAN_SEND_PROBE } scan_state;
+	enum mac80211_scan_state next_scan_state;
 	struct delayed_work scan_work;
 	struct ieee80211_sub_if_data *scan_sdata;
 	enum nl80211_channel_type oper_channel_type;
@@ -914,9 +950,6 @@ void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
 void ieee80211_configure_filter(struct ieee80211_local *local);
 u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata);
 
-/* wireless extensions */
-extern const struct iw_handler_def ieee80211_iw_handler_def;
-
 /* STA code */
 void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata);
 int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata,
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 2f797a86ced..6c655b6547f 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -335,7 +335,10 @@ static int ieee80211_stop(struct net_device *dev)
 	struct ieee80211_local *local = sdata->local;
 	struct ieee80211_if_init_conf conf;
 	struct sta_info *sta;
+	unsigned long flags;
+	struct sk_buff *skb, *tmp;
 	u32 hw_reconf_flags = 0;
+	int i;
 
 	/*
 	 * Stop TX on this interface first.
@@ -515,7 +518,7 @@ static int ieee80211_stop(struct net_device *dev)
 			 * the scan_sdata is NULL already don't send out a
 			 * scan event to userspace -- the scan is incomplete.
 			 */
-			if (local->sw_scanning)
+			if (test_bit(SCAN_SW_SCANNING, &local->scanning))
 				ieee80211_scan_completed(&local->hw, true);
 		}
 
@@ -551,6 +554,18 @@ static int ieee80211_stop(struct net_device *dev)
 	if (hw_reconf_flags)
 		ieee80211_hw_config(local, hw_reconf_flags);
 
+	spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
+	for (i = 0; i < IEEE80211_MAX_QUEUES; i++) {
+		skb_queue_walk_safe(&local->pending[i], skb, tmp) {
+			struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+			if (info->control.vif == &sdata->vif) {
+				__skb_unlink(skb, &local->pending[i]);
+				dev_kfree_skb_irq(skb);
+			}
+		}
+	}
+	spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
+
 	return 0;
 }
 
@@ -669,7 +684,6 @@ static void ieee80211_if_setup(struct net_device *dev)
 {
 	ether_setup(dev);
 	dev->netdev_ops = &ieee80211_dataif_ops;
-	dev->wireless_handlers = &ieee80211_iw_handler_def;
 	dev->destructor = free_netdev;
 }
 
@@ -772,6 +786,7 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name,
 			    name, ieee80211_if_setup);
 	if (!ndev)
 		return -ENOMEM;
+	dev_net_set(ndev, wiphy_net(local->hw.wiphy));
 
 	ndev->needed_headroom = local->tx_headroom +
 				4*6 /* four MAC addresses */
@@ -788,7 +803,6 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name,
 
 	memcpy(ndev->dev_addr, local->hw.wiphy->perm_addr, ETH_ALEN);
 	SET_NETDEV_DEV(ndev, wiphy_dev(local->hw.wiphy));
-	ndev->features |= NETIF_F_NETNS_LOCAL;
 
 	/* don't use IEEE80211_DEV_TO_SUB_IF because it checks too much */
 	sdata = netdev_priv(ndev);
@@ -905,7 +919,7 @@ u32 __ieee80211_recalc_idle(struct ieee80211_local *local)
 	struct ieee80211_sub_if_data *sdata;
 	int count = 0;
 
-	if (local->hw_scanning || local->sw_scanning)
+	if (local->scanning)
 		return ieee80211_idle_off(local, "scanning");
 
 	list_for_each_entry(sdata, &local->interfaces, list) {
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 3234f3751d2..c1a799194ff 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -198,7 +198,7 @@ void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
 	}
 
 	if (changed & BSS_CHANGED_BEACON_ENABLED) {
-		if (local->sw_scanning) {
+		if (test_bit(SCAN_SW_SCANNING, &local->scanning)) {
 			sdata->vif.bss_conf.enable_beacon = false;
 		} else {
 			/*
@@ -620,6 +620,7 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len,
 	if (!wiphy)
 		return NULL;
 
+	wiphy->netnsok = true;
 	wiphy->privid = mac80211_wiphy_privid;
 
 	/* Yes, putting cfg80211_bss into ieee80211_bss is a hack */
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 8a97b142308..9a3826978b1 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -597,7 +597,7 @@ static void ieee80211_mesh_work(struct work_struct *work)
 	if (!netif_running(sdata->dev))
 		return;
 
-	if (local->sw_scanning || local->hw_scanning)
+	if (local->scanning)
 		return;
 
 	while ((skb = skb_dequeue(&ifmsh->skb_queue)))
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 0b3551da8f4..ee83125ed17 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -581,7 +581,7 @@ void ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
 	if (!ifmgd->associated)
 		return;
 
-	if (sdata->local->sw_scanning || sdata->local->hw_scanning)
+	if (sdata->local->scanning)
 		return;
 
 	/* Disregard subsequent beacons if we are already running a timer
@@ -639,7 +639,7 @@ static void ieee80211_enable_ps(struct ieee80211_local *local,
 	 * If we are scanning right now then the parameters will
 	 * take effect when scan finishes.
 	 */
-	if (local->hw_scanning || local->sw_scanning)
+	if (local->scanning)
 		return;
 
 	if (conf->dynamic_ps_timeout > 0 &&
@@ -1166,6 +1166,9 @@ static void ieee80211_mgd_probe_ap(struct ieee80211_sub_if_data *sdata,
 	if (!netif_running(sdata->dev))
 		return;
 
+	if (sdata->local->scanning)
+		return;
+
 	mutex_lock(&ifmgd->mtx);
 
 	if (!ifmgd->associated)
@@ -2000,6 +2003,9 @@ static void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
 	case RX_MGMT_CFG80211_ASSOC:
 		cfg80211_send_rx_assoc(sdata->dev, (u8 *) mgmt, skb->len);
 		break;
+	case RX_MGMT_CFG80211_DEAUTH:
+		cfg80211_send_deauth(sdata->dev, (u8 *)mgmt, skb->len, NULL);
+		break;
 	default:
 		WARN(1, "unexpected: %d", rma);
 	}
@@ -2038,7 +2044,7 @@ static void ieee80211_sta_work(struct work_struct *work)
 	if (!netif_running(sdata->dev))
 		return;
 
-	if (local->sw_scanning || local->hw_scanning)
+	if (local->scanning)
 		return;
 
 	if (WARN_ON(sdata->vif.type != NL80211_IFTYPE_STATION))
@@ -2213,9 +2219,6 @@ static void ieee80211_sta_monitor_work(struct work_struct *work)
 		container_of(work, struct ieee80211_sub_if_data,
 			     u.mgd.monitor_work);
 
-	if (sdata->local->sw_scanning || sdata->local->hw_scanning)
-		return;
-
 	ieee80211_mgd_probe_ap(sdata, false);
 }
 
@@ -2377,6 +2380,7 @@ int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata,
 
 	wk->state = IEEE80211_MGD_STATE_PROBE;
 	wk->auth_alg = auth_alg;
+	wk->timeout = jiffies; /* run right away */
 
 	/*
 	 * XXX: if still associated need to tell AP that we're going
@@ -2448,6 +2452,7 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
 
 	wk->state = IEEE80211_MGD_STATE_ASSOC;
 	wk->tries = 0;
+	wk->timeout = jiffies; /* run right away */
 
 	if (req->use_mfp) {
 		ifmgd->mfp = IEEE80211_MFP_REQUIRED;
@@ -2496,8 +2501,13 @@ int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata,
 		}
 	}
 
-	/* cfg80211 should catch this... */
-	if (WARN_ON(!bssid)) {
+	/*
+	 * cfg80211 should catch this ... but it's racy since
+	 * we can receive a deauth frame, process it, hand it
+	 * to cfg80211 while that's in a locked section already
+	 * trying to tell us that the user wants to disconnect.
+	 */
+	if (!bssid) {
 		mutex_unlock(&ifmgd->mtx);
 		return -ENOLINK;
 	}
@@ -2522,8 +2532,13 @@ int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata,
 
 	mutex_lock(&ifmgd->mtx);
 
-	/* cfg80211 should catch that */
-	if (WARN_ON(&ifmgd->associated->cbss != req->bss)) {
+	/*
+	 * cfg80211 should catch this ... but it's racy since
+	 * we can receive a disassoc frame, process it, hand it
+	 * to cfg80211 while that's in a locked section already
+	 * trying to tell us that the user wants to disconnect.
+	 */
+	if (&ifmgd->associated->cbss != req->bss) {
 		mutex_unlock(&ifmgd->mtx);
 		return -ENOLINK;
 	}
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index b6ddde3848f..25a669c86e1 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -418,10 +418,11 @@ 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->hw_scanning))
+	if (unlikely(test_bit(SCAN_HW_SCANNING, &local->scanning)))
 		return ieee80211_scan_rx(rx->sdata, skb);
 
-	if (unlikely(local->sw_scanning)) {
+	if (unlikely(test_bit(SCAN_SW_SCANNING, &local->scanning) &&
+		     (rx->flags & IEEE80211_RX_IN_SCAN))) {
 		/* drop all the other packets during a software scan anyway */
 		if (ieee80211_scan_rx(rx->sdata, skb) != RX_QUEUED)
 			dev_kfree_skb(skb);
@@ -782,7 +783,7 @@ static void ap_sta_ps_start(struct sta_info *sta)
 	struct ieee80211_local *local = sdata->local;
 
 	atomic_inc(&sdata->bss->num_sta_ps);
-	set_and_clear_sta_flags(sta, WLAN_STA_PS, WLAN_STA_PSPOLL);
+	set_sta_flags(sta, WLAN_STA_PS);
 	drv_sta_notify(local, &sdata->vif, STA_NOTIFY_SLEEP, &sta->sta);
 #ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
 	printk(KERN_DEBUG "%s: STA %pM aid %d enters power save mode\n",
@@ -798,7 +799,7 @@ static int ap_sta_ps_end(struct sta_info *sta)
 
 	atomic_dec(&sdata->bss->num_sta_ps);
 
-	clear_sta_flags(sta, WLAN_STA_PS | WLAN_STA_PSPOLL);
+	clear_sta_flags(sta, WLAN_STA_PS);
 	drv_sta_notify(local, &sdata->vif, STA_NOTIFY_AWAKE, &sta->sta);
 
 	if (!skb_queue_empty(&sta->ps_tx_buf))
@@ -1116,14 +1117,15 @@ ieee80211_rx_h_ps_poll(struct ieee80211_rx_data *rx)
 		skb_queue_empty(&rx->sta->ps_tx_buf);
 
 	if (skb) {
+		struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
 		struct ieee80211_hdr *hdr =
 			(struct ieee80211_hdr *) skb->data;
 
 		/*
-		 * Tell TX path to send one frame even though the STA may
+		 * Tell TX path to send this frame even though the STA may
 		 * still remain is PS mode after this frame exchange.
 		 */
-		set_sta_flags(rx->sta, WLAN_STA_PSPOLL);
+		info->flags |= IEEE80211_TX_CTL_PSPOLL_RESPONSE;
 
 #ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
 		printk(KERN_DEBUG "STA %pM aid %d: PS Poll (entries after %d)\n",
@@ -1138,7 +1140,7 @@ ieee80211_rx_h_ps_poll(struct ieee80211_rx_data *rx)
 		else
 			hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_MOREDATA);
 
-		dev_queue_xmit(skb);
+		ieee80211_add_pending_skb(rx->local, skb);
 
 		if (no_pending_pkts)
 			sta_info_clear_tim_bit(rx->sta);
@@ -1539,7 +1541,7 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx)
 			info = IEEE80211_SKB_CB(fwd_skb);
 			memset(info, 0, sizeof(*info));
 			info->flags |= IEEE80211_TX_INTFL_NEED_TXPROCESSING;
-			fwd_skb->iif = rx->dev->ifindex;
+			info->control.vif = &rx->sdata->vif;
 			ieee80211_select_queue(local, fwd_skb);
 			if (is_multicast_ether_addr(fwd_hdr->addr3))
 				memcpy(fwd_hdr->addr1, fwd_hdr->addr3,
@@ -2136,7 +2138,8 @@ static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw,
 		return;
 	}
 
-	if (unlikely(local->sw_scanning || local->hw_scanning))
+	if (unlikely(test_bit(SCAN_HW_SCANNING, &local->scanning) ||
+		     test_bit(SCAN_OFF_CHANNEL, &local->scanning)))
 		rx.flags |= IEEE80211_RX_IN_SCAN;
 
 	ieee80211_parse_qos(&rx);
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index 74820656dc8..45731000eb8 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -18,7 +18,6 @@
 #include <linux/if_arp.h>
 #include <linux/rtnetlink.h>
 #include <net/mac80211.h>
-#include <net/iw_handler.h>
 
 #include "ieee80211_i.h"
 #include "driver-ops.h"
@@ -265,7 +264,7 @@ void ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted)
 
 	mutex_lock(&local->scan_mtx);
 
-	if (WARN_ON(!local->hw_scanning && !local->sw_scanning)) {
+	if (WARN_ON(!local->scanning)) {
 		mutex_unlock(&local->scan_mtx);
 		return;
 	}
@@ -275,16 +274,15 @@ void ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted)
 		return;
 	}
 
-	if (local->hw_scanning)
+	if (test_bit(SCAN_HW_SCANNING, &local->scanning))
 		ieee80211_restore_scan_ies(local);
 
 	if (local->scan_req != &local->int_scan_req)
 		cfg80211_scan_done(local->scan_req, aborted);
 	local->scan_req = NULL;
 
-	was_hw_scan = local->hw_scanning;
-	local->hw_scanning = false;
-	local->sw_scanning = false;
+	was_hw_scan = test_bit(SCAN_HW_SCANNING, &local->scanning);
+	local->scanning = 0;
 	local->scan_channel = NULL;
 
 	/* we only have to protect scan_req and hw/sw scan */
@@ -366,17 +364,16 @@ static int ieee80211_start_sw_scan(struct ieee80211_local *local)
 			ieee80211_bss_info_change_notify(
 				sdata, BSS_CHANGED_BEACON_ENABLED);
 
-		if (sdata->vif.type == NL80211_IFTYPE_STATION) {
-			if (sdata->u.mgd.associated) {
-				netif_tx_stop_all_queues(sdata->dev);
-				ieee80211_scan_ps_enable(sdata);
-			}
-		} else
+		/*
+		 * only handle non-STA interfaces here, STA interfaces
+		 * are handled in the scan state machine
+		 */
+		if (sdata->vif.type != NL80211_IFTYPE_STATION)
 			netif_tx_stop_all_queues(sdata->dev);
 	}
 	mutex_unlock(&local->iflist_mtx);
 
-	local->scan_state = SCAN_SET_CHANNEL;
+	local->next_scan_state = SCAN_DECISION;
 	local->scan_channel_idx = 0;
 
 	spin_lock_bh(&local->filter_lock);
@@ -434,9 +431,9 @@ static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata,
 	}
 
 	if (local->ops->hw_scan)
-		local->hw_scanning = true;
+		__set_bit(SCAN_HW_SCANNING, &local->scanning);
 	else
-		local->sw_scanning = true;
+		__set_bit(SCAN_SW_SCANNING, &local->scanning);
 	/*
 	 * Kicking off the scan need not be protected,
 	 * only the scan variable stuff, since now
@@ -459,11 +456,9 @@ static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata,
 	mutex_lock(&local->scan_mtx);
 
 	if (rc) {
-		if (local->ops->hw_scan) {
-			local->hw_scanning = false;
+		if (local->ops->hw_scan)
 			ieee80211_restore_scan_ies(local);
-		} else
-			local->sw_scanning = false;
+		local->scanning = 0;
 
 		ieee80211_recalc_idle(local);
 
@@ -474,13 +469,195 @@ static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata,
 	return rc;
 }
 
+static int ieee80211_scan_state_decision(struct ieee80211_local *local,
+					 unsigned long *next_delay)
+{
+	bool associated = false;
+	struct ieee80211_sub_if_data *sdata;
+
+	/* if no more bands/channels left, complete scan and advance to the idle state */
+	if (local->scan_channel_idx >= local->scan_req->n_channels) {
+		ieee80211_scan_completed(&local->hw, false);
+		return 1;
+	}
+
+	/* check if at least one STA interface is associated */
+	mutex_lock(&local->iflist_mtx);
+	list_for_each_entry(sdata, &local->interfaces, list) {
+		if (!netif_running(sdata->dev))
+			continue;
+
+		if (sdata->vif.type == NL80211_IFTYPE_STATION) {
+			if (sdata->u.mgd.associated) {
+				associated = true;
+				break;
+			}
+		}
+	}
+	mutex_unlock(&local->iflist_mtx);
+
+	if (local->scan_channel) {
+		/*
+		 * we're currently scanning a different channel, let's
+		 * switch back to the operating channel now if at least
+		 * one interface is associated. Otherwise just scan the
+		 * next channel
+		 */
+		if (associated)
+			local->next_scan_state = SCAN_ENTER_OPER_CHANNEL;
+		else
+			local->next_scan_state = SCAN_SET_CHANNEL;
+	} else {
+		/*
+		 * we're on the operating channel currently, let's
+		 * leave that channel now to scan another one
+		 */
+		local->next_scan_state = SCAN_LEAVE_OPER_CHANNEL;
+	}
+
+	*next_delay = 0;
+	return 0;
+}
+
+static void ieee80211_scan_state_leave_oper_channel(struct ieee80211_local *local,
+						    unsigned long *next_delay)
+{
+	struct ieee80211_sub_if_data *sdata;
+
+	/*
+	 * notify the AP about us leaving the channel and stop all STA interfaces
+	 */
+	mutex_lock(&local->iflist_mtx);
+	list_for_each_entry(sdata, &local->interfaces, list) {
+		if (!netif_running(sdata->dev))
+			continue;
+
+		if (sdata->vif.type == NL80211_IFTYPE_STATION) {
+			netif_tx_stop_all_queues(sdata->dev);
+			if (sdata->u.mgd.associated)
+				ieee80211_scan_ps_enable(sdata);
+		}
+	}
+	mutex_unlock(&local->iflist_mtx);
+
+	__set_bit(SCAN_OFF_CHANNEL, &local->scanning);
+
+	/* advance to the next channel to be scanned */
+	*next_delay = HZ / 10;
+	local->next_scan_state = SCAN_SET_CHANNEL;
+}
+
+static void ieee80211_scan_state_enter_oper_channel(struct ieee80211_local *local,
+						    unsigned long *next_delay)
+{
+	struct ieee80211_sub_if_data *sdata = local->scan_sdata;
+
+	/* switch back to the operating channel */
+	local->scan_channel = NULL;
+	ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
+
+	/*
+	 * notify the AP about us being back and restart all STA interfaces
+	 */
+	mutex_lock(&local->iflist_mtx);
+	list_for_each_entry(sdata, &local->interfaces, list) {
+		if (!netif_running(sdata->dev))
+			continue;
+
+		/* Tell AP we're back */
+		if (sdata->vif.type == NL80211_IFTYPE_STATION) {
+			if (sdata->u.mgd.associated)
+				ieee80211_scan_ps_disable(sdata);
+			netif_tx_wake_all_queues(sdata->dev);
+		}
+	}
+	mutex_unlock(&local->iflist_mtx);
+
+	__clear_bit(SCAN_OFF_CHANNEL, &local->scanning);
+
+	*next_delay = HZ / 5;
+	local->next_scan_state = SCAN_DECISION;
+}
+
+static void ieee80211_scan_state_set_channel(struct ieee80211_local *local,
+					     unsigned long *next_delay)
+{
+	int skip;
+	struct ieee80211_channel *chan;
+	struct ieee80211_sub_if_data *sdata = local->scan_sdata;
+
+	skip = 0;
+	chan = local->scan_req->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,
+					IEEE80211_CONF_CHANGE_CHANNEL))
+			skip = 1;
+	}
+
+	/* advance state machine to next channel/band */
+	local->scan_channel_idx++;
+
+	if (skip) {
+		/* if we skip this channel return to the decision state */
+		local->next_scan_state = SCAN_DECISION;
+		return;
+	}
+
+	/*
+	 * Probe delay is used to update the NAV, cf. 11.1.3.2.2
+	 * (which unfortunately doesn't say _why_ step a) is done,
+	 * but it waits for the probe delay or until a frame is
+	 * received - and the received frame would update the NAV).
+	 * For now, we do not support waiting until a frame is
+	 * received.
+	 *
+	 * In any case, it is not necessary for a passive scan.
+	 */
+	if (chan->flags & IEEE80211_CHAN_PASSIVE_SCAN ||
+	    !local->scan_req->n_ssids) {
+		*next_delay = IEEE80211_PASSIVE_CHANNEL_TIME;
+		local->next_scan_state = SCAN_DECISION;
+		return;
+	}
+
+	/* active scan, send probes */
+	*next_delay = IEEE80211_PROBE_DELAY;
+	local->next_scan_state = SCAN_SEND_PROBE;
+}
+
+static void ieee80211_scan_state_send_probe(struct ieee80211_local *local,
+					    unsigned long *next_delay)
+{
+	int i;
+	struct ieee80211_sub_if_data *sdata = local->scan_sdata;
+
+	for (i = 0; i < local->scan_req->n_ssids; i++)
+		ieee80211_send_probe_req(
+			sdata, NULL,
+			local->scan_req->ssids[i].ssid,
+			local->scan_req->ssids[i].ssid_len,
+			local->scan_req->ie, local->scan_req->ie_len);
+
+	/*
+	 * After sending probe requests, wait for probe responses
+	 * on the channel.
+	 */
+	*next_delay = IEEE80211_CHANNEL_TIME;
+	local->next_scan_state = SCAN_DECISION;
+}
+
 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_channel *chan;
-	int skip, i;
 	unsigned long next_delay = 0;
 
 	mutex_lock(&local->scan_mtx);
@@ -489,7 +666,7 @@ void ieee80211_scan_work(struct work_struct *work)
 		return;
 	}
 
-	if (local->scan_req && !(local->sw_scanning || local->hw_scanning)) {
+	if (local->scan_req && !local->scanning) {
 		struct cfg80211_scan_request *req = local->scan_req;
 		int rc;
 
@@ -513,69 +690,30 @@ void ieee80211_scan_work(struct work_struct *work)
 		return;
 	}
 
-	switch (local->scan_state) {
-	case SCAN_SET_CHANNEL:
-		/* if no more bands/channels left, complete scan */
-		if (local->scan_channel_idx >= local->scan_req->n_channels) {
-			ieee80211_scan_completed(&local->hw, false);
-			return;
-		}
-		skip = 0;
-		chan = local->scan_req->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,
-						IEEE80211_CONF_CHANGE_CHANNEL))
-				skip = 1;
-		}
-
-		/* advance state machine to next channel/band */
-		local->scan_channel_idx++;
-
-		if (skip)
+	/*
+	 * as long as no delay is required advance immediately
+	 * without scheduling a new work
+	 */
+	do {
+		switch (local->next_scan_state) {
+		case SCAN_DECISION:
+			if (ieee80211_scan_state_decision(local, &next_delay))
+				return;
 			break;
-
-		/*
-		 * Probe delay is used to update the NAV, cf. 11.1.3.2.2
-		 * (which unfortunately doesn't say _why_ step a) is done,
-		 * but it waits for the probe delay or until a frame is
-		 * received - and the received frame would update the NAV).
-		 * For now, we do not support waiting until a frame is
-		 * received.
-		 *
-		 * In any case, it is not necessary for a passive scan.
-		 */
-		if (chan->flags & IEEE80211_CHAN_PASSIVE_SCAN ||
-		    !local->scan_req->n_ssids) {
-			next_delay = IEEE80211_PASSIVE_CHANNEL_TIME;
+		case SCAN_SET_CHANNEL:
+			ieee80211_scan_state_set_channel(local, &next_delay);
+			break;
+		case SCAN_SEND_PROBE:
+			ieee80211_scan_state_send_probe(local, &next_delay);
+			break;
+		case SCAN_LEAVE_OPER_CHANNEL:
+			ieee80211_scan_state_leave_oper_channel(local, &next_delay);
+			break;
+		case SCAN_ENTER_OPER_CHANNEL:
+			ieee80211_scan_state_enter_oper_channel(local, &next_delay);
 			break;
 		}
-
-		next_delay = IEEE80211_PROBE_DELAY;
-		local->scan_state = SCAN_SEND_PROBE;
-		break;
-	case SCAN_SEND_PROBE:
-		for (i = 0; i < local->scan_req->n_ssids; i++)
-			ieee80211_send_probe_req(
-				sdata, NULL,
-				local->scan_req->ssids[i].ssid,
-				local->scan_req->ssids[i].ssid_len,
-				local->scan_req->ie, local->scan_req->ie_len);
-
-		/*
-		 * After sending probe requests, wait for probe responses
-		 * on the channel.
-		 */
-		next_delay = IEEE80211_CHANNEL_TIME;
-		local->scan_state = SCAN_SET_CHANNEL;
-		break;
-	}
+	} while (next_delay == 0);
 
 	queue_delayed_work(local->hw.workqueue, &local->scan_work,
 			   next_delay);
@@ -625,7 +763,7 @@ void ieee80211_scan_cancel(struct ieee80211_local *local)
 	 * queued -- mostly at suspend under RTNL.
 	 */
 	mutex_lock(&local->scan_mtx);
-	swscan = local->sw_scanning;
+	swscan = test_bit(SCAN_SW_SCANNING, &local->scanning);
 	mutex_unlock(&local->scan_mtx);
 
 	if (swscan)
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index 4ecf10a9bd0..ccc3adf962c 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -30,7 +30,6 @@
  * @WLAN_STA_ASSOC_AP: We're associated to that station, it is an AP.
  * @WLAN_STA_WME: Station is a QoS-STA.
  * @WLAN_STA_WDS: Station is one of our WDS peers.
- * @WLAN_STA_PSPOLL: Station has just PS-polled us.
  * @WLAN_STA_CLEAR_PS_FILT: Clear PS filter in hardware (using the
  *	IEEE80211_TX_CTL_CLEAR_PS_FILT control flag) when the next
  *	frame to this station is transmitted.
@@ -47,7 +46,6 @@ enum ieee80211_sta_info_flags {
 	WLAN_STA_ASSOC_AP	= 1<<5,
 	WLAN_STA_WME		= 1<<6,
 	WLAN_STA_WDS		= 1<<7,
-	WLAN_STA_PSPOLL		= 1<<8,
 	WLAN_STA_CLEAR_PS_FILT	= 1<<9,
 	WLAN_STA_MFP		= 1<<10,
 	WLAN_STA_SUSPEND	= 1<<11
@@ -359,17 +357,6 @@ static inline void clear_sta_flags(struct sta_info *sta, const u32 flags)
 	spin_unlock_irqrestore(&sta->flaglock, irqfl);
 }
 
-static inline void set_and_clear_sta_flags(struct sta_info *sta,
-					   const u32 set, const u32 clear)
-{
-	unsigned long irqfl;
-
-	spin_lock_irqsave(&sta->flaglock, irqfl);
-	sta->flags |= set;
-	sta->flags &= ~clear;
-	spin_unlock_irqrestore(&sta->flaglock, irqfl);
-}
-
 static inline u32 test_sta_flags(struct sta_info *sta, const u32 flags)
 {
 	u32 ret;
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 2572509d556..4e1b2ba122c 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -192,7 +192,7 @@ ieee80211_tx_h_check_assoc(struct ieee80211_tx_data *tx)
 	if (unlikely(info->flags & IEEE80211_TX_CTL_INJECTED))
 		return TX_CONTINUE;
 
-	if (unlikely(tx->local->sw_scanning) &&
+	if (unlikely(test_bit(SCAN_OFF_CHANNEL, &tx->local->scanning)) &&
 	    !ieee80211_is_probe_req(hdr->frame_control) &&
 	    !ieee80211_is_nullfunc(hdr->frame_control))
 		/*
@@ -373,7 +373,7 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_tx_data *tx)
 	staflags = get_sta_flags(sta);
 
 	if (unlikely((staflags & WLAN_STA_PS) &&
-		     !(staflags & WLAN_STA_PSPOLL))) {
+		     !(info->flags & IEEE80211_TX_CTL_PSPOLL_RESPONSE))) {
 #ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
 		printk(KERN_DEBUG "STA %pM aid %d: PS buffer (entries "
 		       "before %d)\n",
@@ -400,6 +400,7 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_tx_data *tx)
 			sta_info_set_tim_bit(sta);
 
 		info->control.jiffies = jiffies;
+		info->control.vif = &tx->sdata->vif;
 		info->flags |= IEEE80211_TX_INTFL_NEED_TXPROCESSING;
 		skb_queue_tail(&sta->ps_tx_buf, tx->skb);
 		return TX_QUEUED;
@@ -411,24 +412,7 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_tx_data *tx)
 		       sta->sta.addr);
 	}
 #endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
-	if (test_and_clear_sta_flags(sta, WLAN_STA_PSPOLL)) {
-		/*
-		 * The sleeping station with pending data is now snoozing.
-		 * It queried us for its buffered frames and will go back
-		 * to deep sleep once it got everything.
-		 *
-		 * inform the driver, in case the hardware does powersave
-		 * frame filtering and keeps a station  blacklist on its own
-		 * (e.g: p54), so that frames can be delivered unimpeded.
-		 *
-		 * Note: It should be safe to disable the filter now.
-		 * As, it is really unlikely that we still have any pending
-		 * frame for this station in the hw's buffers/fifos left,
-		 * that is not rejected with a unsuccessful tx_status yet.
-		 */
 
-		info->flags |= IEEE80211_TX_CTL_CLEAR_PS_FILT;
-	}
 	return TX_CONTINUE;
 }
 
@@ -551,7 +535,7 @@ ieee80211_tx_h_rate_ctrl(struct ieee80211_tx_data *tx)
 	 * Lets not bother rate control if we're associated and cannot
 	 * talk to the sta. This should not happen.
 	 */
-	if (WARN((tx->local->sw_scanning) &&
+	if (WARN(test_bit(SCAN_SW_SCANNING, &tx->local->scanning) &&
 		 (sta_flags & WLAN_STA_ASSOC) &&
 		 !rate_usable_index_exists(sband, &tx->sta->sta),
 		 "%s: Dropped data frame as no usable bitrate found while "
@@ -696,7 +680,7 @@ ieee80211_tx_h_sequence(struct ieee80211_tx_data *tx)
 	 * number, if we have no matching interface then we
 	 * neither assign one ourselves nor ask the driver to.
 	 */
-	if (unlikely(!info->control.vif))
+	if (unlikely(info->control.vif->type == NL80211_IFTYPE_MONITOR))
 		return TX_CONTINUE;
 
 	if (unlikely(ieee80211_is_ctl(hdr->frame_control)))
@@ -1092,6 +1076,7 @@ ieee80211_tx_prepare(struct ieee80211_sub_if_data *sdata,
 		} else if (*state != HT_AGG_STATE_IDLE) {
 			/* in progress */
 			queued = true;
+			info->control.vif = &sdata->vif;
 			info->flags |= IEEE80211_TX_INTFL_NEED_TXPROCESSING;
 			__skb_queue_tail(&tid_tx->pending, skb);
 		}
@@ -1143,6 +1128,7 @@ static int __ieee80211_tx(struct ieee80211_local *local,
 {
 	struct sk_buff *skb = *skbp, *next;
 	struct ieee80211_tx_info *info;
+	struct ieee80211_sub_if_data *sdata;
 	unsigned long flags;
 	int ret, len;
 	bool fragm = false;
@@ -1167,13 +1153,32 @@ static int __ieee80211_tx(struct ieee80211_local *local,
 
 		next = skb->next;
 		len = skb->len;
+
+		sdata = vif_to_sdata(info->control.vif);
+
+		switch (sdata->vif.type) {
+		case NL80211_IFTYPE_MONITOR:
+			info->control.vif = NULL;
+			break;
+		case NL80211_IFTYPE_AP_VLAN:
+			info->control.vif = &container_of(sdata->bss,
+				struct ieee80211_sub_if_data, u.ap)->vif;
+			break;
+		default:
+			/* keep */
+			break;
+		}
+
 		ret = drv_tx(local, skb);
 		if (WARN_ON(ret != NETDEV_TX_OK && skb->len != len)) {
 			dev_kfree_skb(skb);
 			ret = NETDEV_TX_OK;
 		}
-		if (ret != NETDEV_TX_OK)
+		if (ret != NETDEV_TX_OK) {
+			info->control.vif = &sdata->vif;
 			return IEEE80211_TX_AGAIN;
+		}
+
 		*skbp = skb = next;
 		ieee80211_led_tx(local, 1);
 		fragm = true;
@@ -1386,17 +1391,12 @@ static void ieee80211_xmit(struct ieee80211_sub_if_data *sdata,
 	struct ieee80211_sub_if_data *tmp_sdata;
 	int headroom;
 	bool may_encrypt;
-	enum {
-		NOT_MONITOR,
-		FOUND_SDATA,
-		UNKNOWN_ADDRESS,
-	} monitor_iface = NOT_MONITOR;
 
 	dev_hold(sdata->dev);
 
 	if ((local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK) &&
 	    local->hw.conf.dynamic_ps_timeout > 0 &&
-	    !local->sw_scanning && !local->hw_scanning && local->ps_sdata) {
+	    !(local->scanning) && local->ps_sdata) {
 		if (local->hw.conf.flags & IEEE80211_CONF_PS) {
 			ieee80211_stop_queues_by_reason(&local->hw,
 					IEEE80211_QUEUE_STOP_REASON_PS);
@@ -1424,7 +1424,6 @@ static void ieee80211_xmit(struct ieee80211_sub_if_data *sdata,
 		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);
@@ -1454,7 +1453,6 @@ static void ieee80211_xmit(struct ieee80211_sub_if_data *sdata,
 					dev_hold(tmp_sdata->dev);
 					dev_put(sdata->dev);
 					sdata = tmp_sdata;
-					monitor_iface = FOUND_SDATA;
 					break;
 				}
 			}
@@ -1476,13 +1474,7 @@ static void ieee80211_xmit(struct ieee80211_sub_if_data *sdata,
 		return;
 	}
 
-	tmp_sdata = sdata;
-	if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
-		tmp_sdata = container_of(sdata->bss,
-					 struct ieee80211_sub_if_data,
-					 u.ap);
-	if (likely(monitor_iface != UNKNOWN_ADDRESS))
-		info->control.vif = &tmp_sdata->vif;
+	info->control.vif = &sdata->vif;
 
 	ieee80211_select_queue(local, skb);
 	ieee80211_tx(sdata, skb, false);
@@ -1534,9 +1526,6 @@ int ieee80211_monitor_start_xmit(struct sk_buff *skb,
 	if (unlikely(skb->len < len_rthdr))
 		goto fail; /* skb too short for claimed rt header extent */
 
-	/* needed because we set skb device to master */
-	skb->iif = dev->ifindex;
-
 	/*
 	 * fix up the pointers accounting for the radiotap
 	 * header still being in there.  We are being given
@@ -1810,8 +1799,6 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb,
 	nh_pos += hdrlen;
 	h_pos += hdrlen;
 
-	skb->iif = dev->ifindex;
-
 	dev->stats.tx_packets++;
 	dev->stats.tx_bytes += skb->len;
 
@@ -1856,32 +1843,13 @@ static bool ieee80211_tx_pending_skb(struct ieee80211_local *local,
 	struct ieee80211_sub_if_data *sdata;
 	struct sta_info *sta;
 	struct ieee80211_hdr *hdr;
-	struct net_device *dev;
 	int ret;
 	bool result = true;
 
-	/* does interface still exist? */
-	dev = dev_get_by_index(&init_net, skb->iif);
-	if (!dev) {
-		dev_kfree_skb(skb);
-		return true;
-	}
-
-	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
-		sdata = container_of(sdata->bss,
-				     struct ieee80211_sub_if_data,
-				     u.ap);
-
-	if (unlikely(info->control.vif && info->control.vif != &sdata->vif)) {
-		dev_kfree_skb(skb);
-		result = true;
-		goto out;
-	}
+	sdata = vif_to_sdata(info->control.vif);
 
 	if (info->flags & IEEE80211_TX_INTFL_NEED_TXPROCESSING) {
-		/* do not use sdata, it may have been changed above */
-		ieee80211_tx(IEEE80211_DEV_TO_SUB_IF(dev), skb, true);
+		ieee80211_tx(sdata, skb, true);
 	} else {
 		hdr = (struct ieee80211_hdr *)skb->data;
 		sta = sta_info_get(local, hdr->addr1);
@@ -1891,9 +1859,6 @@ static bool ieee80211_tx_pending_skb(struct ieee80211_local *local,
 			result = false;
 	}
 
- out:
-	dev_put(dev);
-
 	return result;
 }
 
@@ -1921,10 +1886,21 @@ void ieee80211_tx_pending(unsigned long data)
 
 		while (!skb_queue_empty(&local->pending[i])) {
 			struct sk_buff *skb = __skb_dequeue(&local->pending[i]);
+			struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+			struct ieee80211_sub_if_data *sdata;
+
+			if (WARN_ON(!info->control.vif)) {
+				kfree_skb(skb);
+				continue;
+			}
+
+			sdata = vif_to_sdata(info->control.vif);
+			dev_hold(sdata->dev);
 			spin_unlock_irqrestore(&local->queue_stop_reason_lock,
 						flags);
 
 			txok = ieee80211_tx_pending_skb(local, skb);
+			dev_put(sdata->dev);
 			if (!txok)
 				__skb_queue_head(&local->pending[i], skb);
 			spin_lock_irqsave(&local->queue_stop_reason_lock,
@@ -2234,7 +2210,6 @@ void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb,
 	skb_set_network_header(skb, 0);
 	skb_set_transport_header(skb, 0);
 
-	skb->iif = sdata->dev->ifindex;
 	if (!encrypt)
 		info->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;
 
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 7fc55846d60..8502936e531 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -336,6 +336,12 @@ void ieee80211_add_pending_skb(struct ieee80211_local *local,
 	struct ieee80211_hw *hw = &local->hw;
 	unsigned long flags;
 	int queue = skb_get_queue_mapping(skb);
+	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+
+	if (WARN_ON(!info->control.vif)) {
+		kfree(skb);
+		return;
+	}
 
 	spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
 	__ieee80211_stop_queue(hw, queue, IEEE80211_QUEUE_STOP_REASON_SKB_ADD);
@@ -358,6 +364,13 @@ int ieee80211_add_pending_skbs(struct ieee80211_local *local,
 			IEEE80211_QUEUE_STOP_REASON_SKB_ADD);
 
 	while ((skb = skb_dequeue(skbs))) {
+		struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+
+		if (WARN_ON(!info->control.vif)) {
+			kfree(skb);
+			continue;
+		}
+
 		ret++;
 		queue = skb_get_queue_mapping(skb);
 		__skb_queue_tail(&local->pending[queue], skb);
diff --git a/net/mac80211/wext.c b/net/mac80211/wext.c
deleted file mode 100644
index 5acb8140ee5..00000000000
--- a/net/mac80211/wext.c
+++ /dev/null
@@ -1,235 +0,0 @@
-/*
- * Copyright 2002-2005, Instant802 Networks, Inc.
- * Copyright 2005-2006, Devicescape Software, Inc.
- *
- * 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/module.h>
-#include <linux/init.h>
-#include <linux/netdevice.h>
-#include <linux/types.h>
-#include <linux/slab.h>
-#include <linux/skbuff.h>
-#include <linux/etherdevice.h>
-#include <linux/if_arp.h>
-#include <linux/wireless.h>
-#include <net/iw_handler.h>
-#include <asm/uaccess.h>
-
-#include <net/mac80211.h>
-#include "ieee80211_i.h"
-#include "led.h"
-#include "rate.h"
-#include "wpa.h"
-#include "aes_ccm.h"
-
-
-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);
-	struct ieee80211_local *local = sdata->local;
-	struct ieee80211_channel *chan;
-
-	if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
-		return cfg80211_ibss_wext_siwfreq(dev, info, freq, extra);
-	else if (sdata->vif.type == NL80211_IFTYPE_STATION)
-		return cfg80211_mgd_wext_siwfreq(dev, info, freq, extra);
-
-	/* freq->e == 0: freq->m = channel; otherwise freq = m * 10^e */
-	if (freq->e == 0) {
-		if (freq->m < 0)
-			return -EINVAL;
-		else
-			chan = ieee80211_get_channel(local->hw.wiphy,
-				ieee80211_channel_to_frequency(freq->m));
-	} else {
-		int i, div = 1000000;
-		for (i = 0; i < freq->e; i++)
-			div /= 10;
-		if (div <= 0)
-			return -EINVAL;
-		chan = ieee80211_get_channel(local->hw.wiphy, freq->m / div);
-	}
-
-	if (!chan)
-		return -EINVAL;
-
-	if (chan->flags & IEEE80211_CHAN_DISABLED)
-		return -EINVAL;
-
-	/*
-	 * no change except maybe auto -> fixed, ignore the HT
-	 * setting so you can fix a channel you're on already
-	 */
-	if (local->oper_channel == chan)
-		return 0;
-
-	local->oper_channel = chan;
-	local->oper_channel_type = NL80211_CHAN_NO_HT;
-	ieee80211_hw_config(local, 0);
-
-	return 0;
-}
-
-
-static int ieee80211_ioctl_giwfreq(struct net_device *dev,
-				   struct iw_request_info *info,
-				   struct iw_freq *freq, char *extra)
-{
-	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 == NL80211_IFTYPE_ADHOC)
-		return cfg80211_ibss_wext_giwfreq(dev, info, freq, extra);
-	else if (sdata->vif.type == NL80211_IFTYPE_STATION)
-		return cfg80211_mgd_wext_giwfreq(dev, info, freq, extra);
-
-	freq->m = local->oper_channel->center_freq;
-	freq->e = 6;
-
-	return 0;
-}
-
-
-static int ieee80211_ioctl_siwessid(struct net_device *dev,
-				    struct iw_request_info *info,
-				    struct iw_point *data, char *ssid)
-{
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
-	if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
-		return cfg80211_ibss_wext_siwessid(dev, info, data, ssid);
-	else if (sdata->vif.type == NL80211_IFTYPE_STATION)
-		return cfg80211_mgd_wext_siwessid(dev, info, data, ssid);
-
-	return -EOPNOTSUPP;
-}
-
-
-static int ieee80211_ioctl_giwessid(struct net_device *dev,
-				    struct iw_request_info *info,
-				    struct iw_point *data, char *ssid)
-{
-	struct ieee80211_sub_if_data *sdata;
-
-	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
-	if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
-		return cfg80211_ibss_wext_giwessid(dev, info, data, ssid);
-	else if (sdata->vif.type == NL80211_IFTYPE_STATION)
-		return cfg80211_mgd_wext_giwessid(dev, info, data, ssid);
-
-	return -EOPNOTSUPP;
-}
-
-
-static int ieee80211_ioctl_siwap(struct net_device *dev,
-				 struct iw_request_info *info,
-				 struct sockaddr *ap_addr, char *extra)
-{
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
-	if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
-		return cfg80211_ibss_wext_siwap(dev, info, ap_addr, extra);
-
-	if (sdata->vif.type == NL80211_IFTYPE_STATION)
-		return cfg80211_mgd_wext_siwap(dev, info, ap_addr, extra);
-
-	if (sdata->vif.type == NL80211_IFTYPE_WDS)
-		return cfg80211_wds_wext_siwap(dev, info, ap_addr, extra);
-	return -EOPNOTSUPP;
-}
-
-
-static int ieee80211_ioctl_giwap(struct net_device *dev,
-				 struct iw_request_info *info,
-				 struct sockaddr *ap_addr, char *extra)
-{
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
-	if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
-		return cfg80211_ibss_wext_giwap(dev, info, ap_addr, extra);
-
-	if (sdata->vif.type == NL80211_IFTYPE_STATION)
-		return cfg80211_mgd_wext_giwap(dev, info, ap_addr, extra);
-
-	if (sdata->vif.type == NL80211_IFTYPE_WDS)
-		return cfg80211_wds_wext_giwap(dev, info, ap_addr, extra);
-
-	return -EOPNOTSUPP;
-}
-
-
-/* Structures to export the Wireless Handlers */
-
-static const iw_handler ieee80211_handler[] =
-{
-	(iw_handler) NULL,				/* SIOCSIWCOMMIT */
-	(iw_handler) cfg80211_wext_giwname,		/* SIOCGIWNAME */
-	(iw_handler) NULL,				/* SIOCSIWNWID */
-	(iw_handler) NULL,				/* SIOCGIWNWID */
-	(iw_handler) ieee80211_ioctl_siwfreq,		/* SIOCSIWFREQ */
-	(iw_handler) ieee80211_ioctl_giwfreq,		/* SIOCGIWFREQ */
-	(iw_handler) cfg80211_wext_siwmode,		/* SIOCSIWMODE */
-	(iw_handler) cfg80211_wext_giwmode,		/* SIOCGIWMODE */
-	(iw_handler) NULL,				/* SIOCSIWSENS */
-	(iw_handler) NULL,				/* SIOCGIWSENS */
-	(iw_handler) NULL /* not used */,		/* SIOCSIWRANGE */
-	(iw_handler) cfg80211_wext_giwrange,		/* SIOCGIWRANGE */
-	(iw_handler) NULL /* not used */,		/* SIOCSIWPRIV */
-	(iw_handler) NULL /* kernel code */,		/* SIOCGIWPRIV */
-	(iw_handler) NULL /* not used */,		/* SIOCSIWSTATS */
-	(iw_handler) NULL /* kernel code */,		/* SIOCGIWSTATS */
-	(iw_handler) NULL,				/* SIOCSIWSPY */
-	(iw_handler) NULL,				/* SIOCGIWSPY */
-	(iw_handler) NULL,				/* SIOCSIWTHRSPY */
-	(iw_handler) NULL,				/* SIOCGIWTHRSPY */
-	(iw_handler) ieee80211_ioctl_siwap,		/* SIOCSIWAP */
-	(iw_handler) ieee80211_ioctl_giwap,		/* SIOCGIWAP */
-	(iw_handler) cfg80211_wext_siwmlme,		/* SIOCSIWMLME */
-	(iw_handler) NULL,				/* SIOCGIWAPLIST */
-	(iw_handler) cfg80211_wext_siwscan,		/* SIOCSIWSCAN */
-	(iw_handler) cfg80211_wext_giwscan,		/* SIOCGIWSCAN */
-	(iw_handler) ieee80211_ioctl_siwessid,		/* SIOCSIWESSID */
-	(iw_handler) ieee80211_ioctl_giwessid,		/* SIOCGIWESSID */
-	(iw_handler) NULL,				/* SIOCSIWNICKN */
-	(iw_handler) NULL,				/* SIOCGIWNICKN */
-	(iw_handler) NULL,				/* -- hole -- */
-	(iw_handler) NULL,				/* -- hole -- */
-	(iw_handler) cfg80211_wext_siwrate,		/* SIOCSIWRATE */
-	(iw_handler) cfg80211_wext_giwrate,		/* SIOCGIWRATE */
-	(iw_handler) cfg80211_wext_siwrts,		/* SIOCSIWRTS */
-	(iw_handler) cfg80211_wext_giwrts,		/* SIOCGIWRTS */
-	(iw_handler) cfg80211_wext_siwfrag,		/* SIOCSIWFRAG */
-	(iw_handler) cfg80211_wext_giwfrag,		/* SIOCGIWFRAG */
-	(iw_handler) cfg80211_wext_siwtxpower,		/* SIOCSIWTXPOW */
-	(iw_handler) cfg80211_wext_giwtxpower,		/* SIOCGIWTXPOW */
-	(iw_handler) cfg80211_wext_siwretry,		/* SIOCSIWRETRY */
-	(iw_handler) cfg80211_wext_giwretry,		/* SIOCGIWRETRY */
-	(iw_handler) cfg80211_wext_siwencode,		/* SIOCSIWENCODE */
-	(iw_handler) cfg80211_wext_giwencode,		/* SIOCGIWENCODE */
-	(iw_handler) cfg80211_wext_siwpower,		/* SIOCSIWPOWER */
-	(iw_handler) cfg80211_wext_giwpower,		/* SIOCGIWPOWER */
-	(iw_handler) NULL,				/* -- hole -- */
-	(iw_handler) NULL,				/* -- hole -- */
-	(iw_handler) cfg80211_wext_siwgenie,		/* SIOCSIWGENIE */
-	(iw_handler) NULL,				/* SIOCGIWGENIE */
-	(iw_handler) cfg80211_wext_siwauth,		/* SIOCSIWAUTH */
-	(iw_handler) cfg80211_wext_giwauth,		/* SIOCGIWAUTH */
-	(iw_handler) cfg80211_wext_siwencodeext,	/* SIOCSIWENCODEEXT */
-	(iw_handler) NULL,				/* SIOCGIWENCODEEXT */
-	(iw_handler) NULL,				/* SIOCSIWPMKSA */
-	(iw_handler) NULL,				/* -- hole -- */
-};
-
-const struct iw_handler_def ieee80211_iw_handler_def =
-{
-	.num_standard	= ARRAY_SIZE(ieee80211_handler),
-	.standard	= (iw_handler *) ieee80211_handler,
-	.get_wireless_stats = cfg80211_wireless_stats,
-};
diff --git a/net/wireless/core.c b/net/wireless/core.c
index 6891cd0e38d..f9fee65dc06 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -19,6 +19,7 @@
 #include "core.h"
 #include "sysfs.h"
 #include "debugfs.h"
+#include "wext-compat.h"
 
 /* name for sysfs, %d is appended */
 #define PHY_NAME "phy"
@@ -106,7 +107,7 @@ __cfg80211_rdev_from_info(struct genl_info *info)
 
 	if (info->attrs[NL80211_ATTR_IFINDEX]) {
 		ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]);
-		dev = dev_get_by_index(&init_net, ifindex);
+		dev = dev_get_by_index(genl_info_net(info), ifindex);
 		if (dev) {
 			if (dev->ieee80211_ptr)
 				byifidx =
@@ -151,13 +152,13 @@ cfg80211_get_dev_from_info(struct genl_info *info)
 }
 
 struct cfg80211_registered_device *
-cfg80211_get_dev_from_ifindex(int ifindex)
+cfg80211_get_dev_from_ifindex(struct net *net, int ifindex)
 {
 	struct cfg80211_registered_device *rdev = ERR_PTR(-ENODEV);
 	struct net_device *dev;
 
 	mutex_lock(&cfg80211_mutex);
-	dev = dev_get_by_index(&init_net, ifindex);
+	dev = dev_get_by_index(net, ifindex);
 	if (!dev)
 		goto out;
 	if (dev->ieee80211_ptr) {
@@ -222,6 +223,42 @@ int cfg80211_dev_rename(struct cfg80211_registered_device *rdev,
 	return 0;
 }
 
+int cfg80211_switch_netns(struct cfg80211_registered_device *rdev,
+			  struct net *net)
+{
+	struct wireless_dev *wdev;
+	int err = 0;
+
+	if (!rdev->wiphy.netnsok)
+		return -EOPNOTSUPP;
+
+	list_for_each_entry(wdev, &rdev->netdev_list, list) {
+		wdev->netdev->features &= ~NETIF_F_NETNS_LOCAL;
+		err = dev_change_net_namespace(wdev->netdev, net, "wlan%d");
+		if (err)
+			break;
+		wdev->netdev->features |= NETIF_F_NETNS_LOCAL;
+	}
+
+	if (err) {
+		/* failed -- clean up to old netns */
+		net = wiphy_net(&rdev->wiphy);
+
+		list_for_each_entry_continue_reverse(wdev, &rdev->netdev_list,
+						     list) {
+			wdev->netdev->features &= ~NETIF_F_NETNS_LOCAL;
+			err = dev_change_net_namespace(wdev->netdev, net,
+							"wlan%d");
+			WARN_ON(err);
+			wdev->netdev->features |= NETIF_F_NETNS_LOCAL;
+		}
+	}
+
+	wiphy_net_set(&rdev->wiphy, net);
+
+	return err;
+}
+
 static void cfg80211_rfkill_poll(struct rfkill *rfkill, void *data)
 {
 	struct cfg80211_registered_device *rdev = data;
@@ -375,6 +412,8 @@ struct wiphy *wiphy_new(const struct cfg80211_ops *ops, int sizeof_priv)
 	rdev->wiphy.dev.class = &ieee80211_class;
 	rdev->wiphy.dev.platform_data = rdev;
 
+	wiphy_net_set(&rdev->wiphy, &init_net);
+
 	rdev->rfkill_ops.set_block = cfg80211_rfkill_set_block;
 	rdev->rfkill = rfkill_alloc(dev_name(&rdev->wiphy.dev),
 				   &rdev->wiphy.dev, RFKILL_TYPE_WLAN,
@@ -615,6 +654,9 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
 		spin_lock_init(&wdev->event_lock);
 		mutex_lock(&rdev->devlist_mtx);
 		list_add(&wdev->list, &rdev->netdev_list);
+		/* can only change netns with wiphy */
+		dev->features |= NETIF_F_NETNS_LOCAL;
+
 		if (sysfs_create_link(&dev->dev.kobj, &rdev->wiphy.dev.kobj,
 				      "phy80211")) {
 			printk(KERN_ERR "wireless: failed to add phy80211 "
@@ -624,6 +666,8 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
 		wdev->sme_state = CFG80211_SME_IDLE;
 		mutex_unlock(&rdev->devlist_mtx);
 #ifdef CONFIG_WIRELESS_EXT
+		if (!dev->wireless_handlers)
+			dev->wireless_handlers = &cfg80211_wext_handler;
 		wdev->wext.default_key = -1;
 		wdev->wext.default_mgmt_key = -1;
 		wdev->wext.connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
@@ -705,10 +749,32 @@ static struct notifier_block cfg80211_netdev_notifier = {
 	.notifier_call = cfg80211_netdev_notifier_call,
 };
 
-static int cfg80211_init(void)
+static void __net_exit cfg80211_pernet_exit(struct net *net)
+{
+	struct cfg80211_registered_device *rdev;
+
+	rtnl_lock();
+	mutex_lock(&cfg80211_mutex);
+	list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
+		if (net_eq(wiphy_net(&rdev->wiphy), net))
+			WARN_ON(cfg80211_switch_netns(rdev, &init_net));
+	}
+	mutex_unlock(&cfg80211_mutex);
+	rtnl_unlock();
+}
+
+static struct pernet_operations cfg80211_pernet_ops = {
+	.exit = cfg80211_pernet_exit,
+};
+
+static int __init cfg80211_init(void)
 {
 	int err;
 
+	err = register_pernet_device(&cfg80211_pernet_ops);
+	if (err)
+		goto out_fail_pernet;
+
 	err = wiphy_sysfs_init();
 	if (err)
 		goto out_fail_sysfs;
@@ -736,9 +802,10 @@ out_fail_nl80211:
 out_fail_notifier:
 	wiphy_sysfs_exit();
 out_fail_sysfs:
+	unregister_pernet_device(&cfg80211_pernet_ops);
+out_fail_pernet:
 	return err;
 }
-
 subsys_initcall(cfg80211_init);
 
 static void cfg80211_exit(void)
@@ -748,5 +815,6 @@ static void cfg80211_exit(void)
 	unregister_netdevice_notifier(&cfg80211_netdev_notifier);
 	wiphy_sysfs_exit();
 	regulatory_exit();
+	unregister_pernet_device(&cfg80211_pernet_ops);
 }
 module_exit(cfg80211_exit);
diff --git a/net/wireless/core.h b/net/wireless/core.h
index 2ec8ddbe57d..6d903c1d721 100644
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -66,6 +66,9 @@ struct cfg80211_registered_device {
 	struct work_struct conn_work;
 	struct work_struct event_work;
 
+	/* current channel */
+	struct ieee80211_channel *channel;
+
 #ifdef CONFIG_CFG80211_DEBUGFS
 	/* Debugfs entries */
 	struct wiphy_debugfsdentries {
@@ -170,7 +173,10 @@ struct wiphy *wiphy_idx_to_wiphy(int wiphy_idx);
 
 /* identical to cfg80211_get_dev_from_info but only operate on ifindex */
 extern struct cfg80211_registered_device *
-cfg80211_get_dev_from_ifindex(int ifindex);
+cfg80211_get_dev_from_ifindex(struct net *net, int ifindex);
+
+int cfg80211_switch_netns(struct cfg80211_registered_device *rdev,
+			  struct net *net);
 
 static inline void cfg80211_lock_rdev(struct cfg80211_registered_device *rdev)
 {
diff --git a/net/wireless/ibss.c b/net/wireless/ibss.c
index 8b65e212ae4..4d7a084b35e 100644
--- a/net/wireless/ibss.c
+++ b/net/wireless/ibss.c
@@ -7,6 +7,7 @@
 #include <linux/etherdevice.h>
 #include <linux/if_arp.h>
 #include <net/cfg80211.h>
+#include "wext-compat.h"
 #include "nl80211.h"
 
 
@@ -312,8 +313,6 @@ int cfg80211_ibss_wext_siwfreq(struct net_device *dev,
 
 	return err;
 }
-/* temporary symbol - mark GPL - in the future the handler won't be */
-EXPORT_SYMBOL_GPL(cfg80211_ibss_wext_siwfreq);
 
 int cfg80211_ibss_wext_giwfreq(struct net_device *dev,
 			       struct iw_request_info *info,
@@ -342,8 +341,6 @@ int cfg80211_ibss_wext_giwfreq(struct net_device *dev,
 	/* no channel if not joining */
 	return -EINVAL;
 }
-/* temporary symbol - mark GPL - in the future the handler won't be */
-EXPORT_SYMBOL_GPL(cfg80211_ibss_wext_giwfreq);
 
 int cfg80211_ibss_wext_siwessid(struct net_device *dev,
 				struct iw_request_info *info,
@@ -384,8 +381,6 @@ int cfg80211_ibss_wext_siwessid(struct net_device *dev,
 
 	return err;
 }
-/* temporary symbol - mark GPL - in the future the handler won't be */
-EXPORT_SYMBOL_GPL(cfg80211_ibss_wext_siwessid);
 
 int cfg80211_ibss_wext_giwessid(struct net_device *dev,
 				struct iw_request_info *info,
@@ -413,8 +408,6 @@ int cfg80211_ibss_wext_giwessid(struct net_device *dev,
 
 	return 0;
 }
-/* temporary symbol - mark GPL - in the future the handler won't be */
-EXPORT_SYMBOL_GPL(cfg80211_ibss_wext_giwessid);
 
 int cfg80211_ibss_wext_siwap(struct net_device *dev,
 			     struct iw_request_info *info,
@@ -469,8 +462,6 @@ int cfg80211_ibss_wext_siwap(struct net_device *dev,
 
 	return err;
 }
-/* temporary symbol - mark GPL - in the future the handler won't be */
-EXPORT_SYMBOL_GPL(cfg80211_ibss_wext_siwap);
 
 int cfg80211_ibss_wext_giwap(struct net_device *dev,
 			     struct iw_request_info *info,
@@ -496,6 +487,4 @@ int cfg80211_ibss_wext_giwap(struct net_device *dev,
 
 	return 0;
 }
-/* temporary symbol - mark GPL - in the future the handler won't be */
-EXPORT_SYMBOL_GPL(cfg80211_ibss_wext_giwap);
 #endif
diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
index 5b9b2212082..097a87d7bae 100644
--- a/net/wireless/mlme.c
+++ b/net/wireless/mlme.c
@@ -8,7 +8,9 @@
 #include <linux/module.h>
 #include <linux/netdevice.h>
 #include <linux/nl80211.h>
+#include <linux/wireless.h>
 #include <net/cfg80211.h>
+#include <net/iw_handler.h>
 #include "core.h"
 #include "nl80211.h"
 
@@ -545,6 +547,12 @@ static int __cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev,
 
 	ASSERT_WDEV_LOCK(wdev);
 
+	if (wdev->sme_state != CFG80211_SME_CONNECTED)
+		return -ENOTCONN;
+
+	if (WARN_ON(!wdev->current_bss))
+		return -ENOTCONN;
+
 	memset(&req, 0, sizeof(req));
 	req.reason_code = reason;
 	req.ie = ie;
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index da450ef1fc7..0cd548267d4 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -14,8 +14,10 @@
 #include <linux/rtnetlink.h>
 #include <linux/netlink.h>
 #include <linux/etherdevice.h>
+#include <net/net_namespace.h>
 #include <net/genetlink.h>
 #include <net/cfg80211.h>
+#include <net/sock.h>
 #include "core.h"
 #include "nl80211.h"
 #include "reg.h"
@@ -27,24 +29,26 @@ static struct genl_family nl80211_fam = {
 	.hdrsize = 0,		/* no private header */
 	.version = 1,		/* no particular meaning now */
 	.maxattr = NL80211_ATTR_MAX,
+	.netnsok = true,
 };
 
 /* internal helper: get rdev and dev */
-static int get_rdev_dev_by_info_ifindex(struct nlattr **attrs,
+static int get_rdev_dev_by_info_ifindex(struct genl_info *info,
 				       struct cfg80211_registered_device **rdev,
 				       struct net_device **dev)
 {
+	struct nlattr **attrs = info->attrs;
 	int ifindex;
 
 	if (!attrs[NL80211_ATTR_IFINDEX])
 		return -EINVAL;
 
 	ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]);
-	*dev = dev_get_by_index(&init_net, ifindex);
+	*dev = dev_get_by_index(genl_info_net(info), ifindex);
 	if (!*dev)
 		return -ENODEV;
 
-	*rdev = cfg80211_get_dev_from_ifindex(ifindex);
+	*rdev = cfg80211_get_dev_from_ifindex(genl_info_net(info), ifindex);
 	if (IS_ERR(*rdev)) {
 		dev_put(*dev);
 		return PTR_ERR(*rdev);
@@ -133,6 +137,7 @@ static struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] __read_mostly = {
 	[NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG },
 	[NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 },
 	[NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 },
+	[NL80211_ATTR_PID] = { .type = NLA_U32 },
 };
 
 /* policy for the attributes */
@@ -532,6 +537,10 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
 	CMD(deauth, DEAUTHENTICATE);
 	CMD(disassoc, DISASSOCIATE);
 	CMD(join_ibss, JOIN_IBSS);
+	if (dev->wiphy.netnsok) {
+		i++;
+		NLA_PUT_U32(msg, i, NL80211_CMD_SET_WIPHY_NETNS);
+	}
 
 #undef CMD
 
@@ -562,6 +571,8 @@ static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
 
 	mutex_lock(&cfg80211_mutex);
 	list_for_each_entry(dev, &cfg80211_rdev_list, list) {
+		if (!net_eq(wiphy_net(&dev->wiphy), sock_net(skb->sk)))
+			continue;
 		if (++idx <= start)
 			continue;
 		if (nl80211_send_wiphy(skb, NETLINK_CB(cb->skb).pid,
@@ -746,6 +757,8 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
 						channel_type);
 		if (result)
 			goto bad_res;
+
+		rdev->channel = chan;
 	}
 
 	changed = 0;
@@ -867,6 +880,8 @@ static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *
 
 	mutex_lock(&cfg80211_mutex);
 	list_for_each_entry(dev, &cfg80211_rdev_list, list) {
+		if (!net_eq(wiphy_net(&dev->wiphy), sock_net(skb->sk)))
+			continue;
 		if (wp_idx < wp_start) {
 			wp_idx++;
 			continue;
@@ -907,7 +922,7 @@ static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info)
 	struct net_device *netdev;
 	int err;
 
-	err = get_rdev_dev_by_info_ifindex(info->attrs, &dev, &netdev);
+	err = get_rdev_dev_by_info_ifindex(info, &dev, &netdev);
 	if (err)
 		return err;
 
@@ -975,7 +990,7 @@ static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
 
 	rtnl_lock();
 
-	err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+	err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
 	if (err)
 		goto unlock_rtnl;
 
@@ -1098,26 +1113,25 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
 static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info)
 {
 	struct cfg80211_registered_device *rdev;
-	int ifindex, err;
+	int err;
 	struct net_device *dev;
 
 	rtnl_lock();
 
-	err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+	err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
 	if (err)
 		goto unlock_rtnl;
-	ifindex = dev->ifindex;
-	dev_put(dev);
 
 	if (!rdev->ops->del_virtual_intf) {
 		err = -EOPNOTSUPP;
 		goto out;
 	}
 
-	err = rdev->ops->del_virtual_intf(&rdev->wiphy, ifindex);
+	err = rdev->ops->del_virtual_intf(&rdev->wiphy, dev);
 
  out:
 	cfg80211_unlock_rdev(rdev);
+	dev_put(dev);
  unlock_rtnl:
 	rtnl_unlock();
 	return err;
@@ -1195,7 +1209,7 @@ static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info)
 
 	rtnl_lock();
 
-	err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+	err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
 	if (err)
 		goto unlock_rtnl;
 
@@ -1274,7 +1288,7 @@ static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info)
 
 	rtnl_lock();
 
-	err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+	err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
 	if (err)
 		goto unlock_rtnl;
 
@@ -1333,7 +1347,7 @@ static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info)
 
 	rtnl_lock();
 
-	err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+	err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
 	if (err)
 		goto unlock_rtnl;
 
@@ -1380,7 +1394,7 @@ static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info)
 
 	rtnl_lock();
 
-	err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+	err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
 	if (err)
 		goto unlock_rtnl;
 
@@ -1429,7 +1443,7 @@ static int nl80211_addset_beacon(struct sk_buff *skb, struct genl_info *info)
 
 	rtnl_lock();
 
-	err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+	err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
 	if (err)
 		goto unlock_rtnl;
 
@@ -1516,7 +1530,7 @@ static int nl80211_del_beacon(struct sk_buff *skb, struct genl_info *info)
 
 	rtnl_lock();
 
-	err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+	err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
 	if (err)
 		goto unlock_rtnl;
 
@@ -1726,13 +1740,13 @@ static int nl80211_dump_station(struct sk_buff *skb,
 
 	rtnl_lock();
 
-	netdev = __dev_get_by_index(&init_net, ifidx);
+	netdev = __dev_get_by_index(sock_net(skb->sk), ifidx);
 	if (!netdev) {
 		err = -ENODEV;
 		goto out_rtnl;
 	}
 
-	dev = cfg80211_get_dev_from_ifindex(ifidx);
+	dev = cfg80211_get_dev_from_ifindex(sock_net(skb->sk), ifidx);
 	if (IS_ERR(dev)) {
 		err = PTR_ERR(dev);
 		goto out_rtnl;
@@ -1791,7 +1805,7 @@ static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info)
 
 	rtnl_lock();
 
-	err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+	err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
 	if (err)
 		goto out_rtnl;
 
@@ -1829,14 +1843,16 @@ static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info)
 /*
  * Get vlan interface making sure it is on the right wiphy.
  */
-static int get_vlan(struct nlattr *vlanattr,
+static int get_vlan(struct genl_info *info,
 		    struct cfg80211_registered_device *rdev,
 		    struct net_device **vlan)
 {
+	struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN];
 	*vlan = NULL;
 
 	if (vlanattr) {
-		*vlan = dev_get_by_index(&init_net, nla_get_u32(vlanattr));
+		*vlan = dev_get_by_index(genl_info_net(info),
+					 nla_get_u32(vlanattr));
 		if (!*vlan)
 			return -ENODEV;
 		if (!(*vlan)->ieee80211_ptr)
@@ -1891,11 +1907,11 @@ static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
 
 	rtnl_lock();
 
-	err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+	err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
 	if (err)
 		goto out_rtnl;
 
-	err = get_vlan(info->attrs[NL80211_ATTR_STA_VLAN], rdev, &params.vlan);
+	err = get_vlan(info, rdev, &params.vlan);
 	if (err)
 		goto out;
 
@@ -2004,11 +2020,11 @@ static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
 
 	rtnl_lock();
 
-	err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+	err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
 	if (err)
 		goto out_rtnl;
 
-	err = get_vlan(info->attrs[NL80211_ATTR_STA_VLAN], rdev, &params.vlan);
+	err = get_vlan(info, rdev, &params.vlan);
 	if (err)
 		goto out;
 
@@ -2079,7 +2095,7 @@ static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info)
 
 	rtnl_lock();
 
-	err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+	err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
 	if (err)
 		goto out_rtnl;
 
@@ -2185,13 +2201,13 @@ static int nl80211_dump_mpath(struct sk_buff *skb,
 
 	rtnl_lock();
 
-	netdev = __dev_get_by_index(&init_net, ifidx);
+	netdev = __dev_get_by_index(sock_net(skb->sk), ifidx);
 	if (!netdev) {
 		err = -ENODEV;
 		goto out_rtnl;
 	}
 
-	dev = cfg80211_get_dev_from_ifindex(ifidx);
+	dev = cfg80211_get_dev_from_ifindex(sock_net(skb->sk), ifidx);
 	if (IS_ERR(dev)) {
 		err = PTR_ERR(dev);
 		goto out_rtnl;
@@ -2255,7 +2271,7 @@ static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info)
 
 	rtnl_lock();
 
-	err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+	err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
 	if (err)
 		goto out_rtnl;
 
@@ -2314,7 +2330,7 @@ static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info)
 
 	rtnl_lock();
 
-	err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+	err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
 	if (err)
 		goto out_rtnl;
 
@@ -2362,7 +2378,7 @@ static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info)
 
 	rtnl_lock();
 
-	err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+	err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
 	if (err)
 		goto out_rtnl;
 
@@ -2404,7 +2420,7 @@ static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info)
 
 	rtnl_lock();
 
-	err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+	err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
 	if (err)
 		goto out_rtnl;
 
@@ -2455,7 +2471,7 @@ static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
 
 	rtnl_lock();
 
-	err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+	err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
 	if (err)
 		goto out_rtnl;
 
@@ -2574,7 +2590,7 @@ static int nl80211_get_mesh_params(struct sk_buff *skb,
 	rtnl_lock();
 
 	/* Look up our device */
-	err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+	err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
 	if (err)
 		goto out_rtnl;
 
@@ -2691,7 +2707,7 @@ static int nl80211_set_mesh_params(struct sk_buff *skb, struct genl_info *info)
 
 	rtnl_lock();
 
-	err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+	err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
 	if (err)
 		goto out_rtnl;
 
@@ -2947,7 +2963,7 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
 
 	rtnl_lock();
 
-	err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+	err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
 	if (err)
 		goto out_rtnl;
 
@@ -3069,14 +3085,16 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
 		       request->ie_len);
 	}
 
-	request->ifidx = dev->ifindex;
+	request->dev = dev;
 	request->wiphy = &rdev->wiphy;
 
 	rdev->scan_req = request;
 	err = rdev->ops->scan(&rdev->wiphy, dev, request);
 
-	if (!err)
+	if (!err) {
 		nl80211_send_scan_start(rdev, dev);
+		dev_hold(dev);
+	}
 
  out_free:
 	if (err) {
@@ -3198,11 +3216,11 @@ static int nl80211_dump_scan(struct sk_buff *skb,
 		cb->args[0] = ifidx;
 	}
 
-	dev = dev_get_by_index(&init_net, ifidx);
+	dev = dev_get_by_index(sock_net(skb->sk), ifidx);
 	if (!dev)
 		return -ENODEV;
 
-	rdev = cfg80211_get_dev_from_ifindex(ifidx);
+	rdev = cfg80211_get_dev_from_ifindex(sock_net(skb->sk), ifidx);
 	if (IS_ERR(rdev)) {
 		err = PTR_ERR(rdev);
 		goto out_put_netdev;
@@ -3312,7 +3330,7 @@ static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
 
 	rtnl_lock();
 
-	err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+	err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
 	if (err)
 		goto unlock_rtnl;
 
@@ -3369,6 +3387,8 @@ static int nl80211_crypto_settings(struct genl_info *info,
 				   struct cfg80211_crypto_settings *settings,
 				   int cipher_limit)
 {
+	memset(settings, 0, sizeof(*settings));
+
 	settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT];
 
 	if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) {
@@ -3448,7 +3468,7 @@ static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
 
 	rtnl_lock();
 
-	err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+	err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
 	if (err)
 		goto unlock_rtnl;
 
@@ -3531,7 +3551,7 @@ static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
 
 	rtnl_lock();
 
-	err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+	err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
 	if (err)
 		goto unlock_rtnl;
 
@@ -3593,7 +3613,7 @@ static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
 
 	rtnl_lock();
 
-	err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+	err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
 	if (err)
 		goto unlock_rtnl;
 
@@ -3666,7 +3686,7 @@ static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
 
 	rtnl_lock();
 
-	err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+	err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
 	if (err)
 		goto unlock_rtnl;
 
@@ -3739,7 +3759,7 @@ static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info)
 
 	rtnl_lock();
 
-	err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+	err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
 	if (err)
 		goto unlock_rtnl;
 
@@ -3924,7 +3944,7 @@ static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
 		return err;
 	rtnl_lock();
 
-	err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+	err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
 	if (err)
 		goto unlock_rtnl;
 
@@ -4000,7 +4020,7 @@ static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
 
 	rtnl_lock();
 
-	err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+	err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
 	if (err)
 		goto unlock_rtnl;
 
@@ -4024,6 +4044,47 @@ unlock_rtnl:
 	return err;
 }
 
+static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info)
+{
+	struct cfg80211_registered_device *rdev;
+	struct net *net;
+	int err;
+	u32 pid;
+
+	if (!info->attrs[NL80211_ATTR_PID])
+		return -EINVAL;
+
+	pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]);
+
+	rtnl_lock();
+
+	rdev = cfg80211_get_dev_from_info(info);
+	if (IS_ERR(rdev)) {
+		err = PTR_ERR(rdev);
+		goto out;
+	}
+
+	net = get_net_ns_by_pid(pid);
+	if (IS_ERR(net)) {
+		err = PTR_ERR(net);
+		goto out;
+	}
+
+	err = 0;
+
+	/* check if anything to do */
+	if (net_eq(wiphy_net(&rdev->wiphy), net))
+		goto out_put_net;
+
+	err = cfg80211_switch_netns(rdev, net);
+ out_put_net:
+	put_net(net);
+ out:
+	cfg80211_unlock_rdev(rdev);
+	rtnl_unlock();
+	return err;
+}
+
 static struct genl_ops nl80211_ops[] = {
 	{
 		.cmd = NL80211_CMD_GET_WIPHY,
@@ -4257,6 +4318,12 @@ static struct genl_ops nl80211_ops[] = {
 		.policy = nl80211_policy,
 		.flags = GENL_ADMIN_PERM,
 	},
+	{
+		.cmd = NL80211_CMD_SET_WIPHY_NETNS,
+		.doit = nl80211_wiphy_netns,
+		.policy = nl80211_policy,
+		.flags = GENL_ADMIN_PERM,
+	},
 };
 static struct genl_multicast_group nl80211_mlme_mcgrp = {
 	.name = "mlme",
@@ -4288,7 +4355,8 @@ void nl80211_notify_dev_rename(struct cfg80211_registered_device *rdev)
 		return;
 	}
 
-	genlmsg_multicast(msg, 0, nl80211_config_mcgrp.id, GFP_KERNEL);
+	genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+				nl80211_config_mcgrp.id, GFP_KERNEL);
 }
 
 static int nl80211_add_scan_req(struct sk_buff *msg,
@@ -4365,7 +4433,8 @@ void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
 		return;
 	}
 
-	genlmsg_multicast(msg, 0, nl80211_scan_mcgrp.id, GFP_KERNEL);
+	genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+				nl80211_scan_mcgrp.id, GFP_KERNEL);
 }
 
 void nl80211_send_scan_done(struct cfg80211_registered_device *rdev,
@@ -4383,7 +4452,8 @@ void nl80211_send_scan_done(struct cfg80211_registered_device *rdev,
 		return;
 	}
 
-	genlmsg_multicast(msg, 0, nl80211_scan_mcgrp.id, GFP_KERNEL);
+	genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+				nl80211_scan_mcgrp.id, GFP_KERNEL);
 }
 
 void nl80211_send_scan_aborted(struct cfg80211_registered_device *rdev,
@@ -4401,7 +4471,8 @@ void nl80211_send_scan_aborted(struct cfg80211_registered_device *rdev,
 		return;
 	}
 
-	genlmsg_multicast(msg, 0, nl80211_scan_mcgrp.id, GFP_KERNEL);
+	genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+				nl80211_scan_mcgrp.id, GFP_KERNEL);
 }
 
 /*
@@ -4450,7 +4521,10 @@ void nl80211_send_reg_change_event(struct regulatory_request *request)
 		return;
 	}
 
-	genlmsg_multicast(msg, 0, nl80211_regulatory_mcgrp.id, GFP_KERNEL);
+	rcu_read_lock();
+	genlmsg_multicast_allns(msg, 0, nl80211_regulatory_mcgrp.id,
+				GFP_ATOMIC);
+	rcu_read_unlock();
 
 	return;
 
@@ -4486,7 +4560,8 @@ static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev,
 		return;
 	}
 
-	genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, gfp);
+	genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+				nl80211_mlme_mcgrp.id, gfp);
 	return;
 
  nla_put_failure:
@@ -4553,7 +4628,8 @@ static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev,
 		return;
 	}
 
-	genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, gfp);
+	genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+				nl80211_mlme_mcgrp.id, gfp);
 	return;
 
  nla_put_failure:
@@ -4611,7 +4687,8 @@ void nl80211_send_connect_result(struct cfg80211_registered_device *rdev,
 		return;
 	}
 
-	genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, gfp);
+	genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+				nl80211_mlme_mcgrp.id, gfp);
 	return;
 
  nla_put_failure:
@@ -4651,7 +4728,8 @@ void nl80211_send_roamed(struct cfg80211_registered_device *rdev,
 		return;
 	}
 
-	genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, gfp);
+	genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+				nl80211_mlme_mcgrp.id, gfp);
 	return;
 
  nla_put_failure:
@@ -4691,7 +4769,8 @@ void nl80211_send_disconnected(struct cfg80211_registered_device *rdev,
 		return;
 	}
 
-	genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, GFP_KERNEL);
+	genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+				nl80211_mlme_mcgrp.id, GFP_KERNEL);
 	return;
 
  nla_put_failure:
@@ -4726,7 +4805,8 @@ void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev,
 		return;
 	}
 
-	genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, gfp);
+	genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+				nl80211_mlme_mcgrp.id, gfp);
 	return;
 
  nla_put_failure:
@@ -4766,7 +4846,8 @@ void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev,
 		return;
 	}
 
-	genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, gfp);
+	genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+				nl80211_mlme_mcgrp.id, gfp);
 	return;
 
  nla_put_failure:
@@ -4819,7 +4900,10 @@ void nl80211_send_beacon_hint_event(struct wiphy *wiphy,
 		return;
 	}
 
-	genlmsg_multicast(msg, 0, nl80211_regulatory_mcgrp.id, GFP_ATOMIC);
+	rcu_read_lock();
+	genlmsg_multicast_allns(msg, 0, nl80211_regulatory_mcgrp.id,
+				GFP_ATOMIC);
+	rcu_read_unlock();
 
 	return;
 
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index decc59fe0ee..67714d7ed5b 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -14,8 +14,9 @@
 #include <net/iw_handler.h>
 #include "core.h"
 #include "nl80211.h"
+#include "wext-compat.h"
 
-#define IEEE80211_SCAN_RESULT_EXPIRE	(10 * HZ)
+#define IEEE80211_SCAN_RESULT_EXPIRE	(15 * HZ)
 
 void __cfg80211_scan_done(struct work_struct *wk)
 {
@@ -32,9 +33,7 @@ void __cfg80211_scan_done(struct work_struct *wk)
 	mutex_lock(&rdev->mtx);
 	request = rdev->scan_req;
 
-	dev = dev_get_by_index(&init_net, request->ifidx);
-	if (!dev)
-		goto out;
+	dev = request->dev;
 
 	/*
 	 * This must be before sending the other events!
@@ -58,7 +57,6 @@ void __cfg80211_scan_done(struct work_struct *wk)
 
 	dev_put(dev);
 
- out:
 	cfg80211_unlock_rdev(rdev);
 	wiphy_to_dev(request->wiphy)->scan_req = NULL;
 	kfree(request);
@@ -66,17 +64,10 @@ void __cfg80211_scan_done(struct work_struct *wk)
 
 void cfg80211_scan_done(struct cfg80211_scan_request *request, bool aborted)
 {
-	struct net_device *dev = dev_get_by_index(&init_net, request->ifidx);
-	if (WARN_ON(!dev)) {
-		kfree(request);
-		return;
-	}
-
 	WARN_ON(request != wiphy_to_dev(request->wiphy)->scan_req);
 
 	request->aborted = aborted;
 	schedule_work(&wiphy_to_dev(request->wiphy)->scan_done_wk);
-	dev_put(dev);
 }
 EXPORT_SYMBOL(cfg80211_scan_done);
 
@@ -592,7 +583,7 @@ int cfg80211_wext_siwscan(struct net_device *dev,
 	if (!netif_running(dev))
 		return -ENETDOWN;
 
-	rdev = cfg80211_get_dev_from_ifindex(dev->ifindex);
+	rdev = cfg80211_get_dev_from_ifindex(dev_net(dev), dev->ifindex);
 
 	if (IS_ERR(rdev))
 		return PTR_ERR(rdev);
@@ -617,7 +608,7 @@ int cfg80211_wext_siwscan(struct net_device *dev,
 	}
 
 	creq->wiphy = wiphy;
-	creq->ifidx = dev->ifindex;
+	creq->dev = dev;
 	creq->ssids = (void *)(creq + 1);
 	creq->channels = (void *)(creq->ssids + 1);
 	creq->n_channels = n_channels;
@@ -654,8 +645,10 @@ int cfg80211_wext_siwscan(struct net_device *dev,
 	if (err) {
 		rdev->scan_req = NULL;
 		kfree(creq);
-	} else
+	} else {
 		nl80211_send_scan_start(rdev, dev);
+		dev_hold(dev);
+	}
  out:
 	cfg80211_unlock_rdev(rdev);
 	return err;
@@ -948,7 +941,7 @@ int cfg80211_wext_giwscan(struct net_device *dev,
 	if (!netif_running(dev))
 		return -ENETDOWN;
 
-	rdev = cfg80211_get_dev_from_ifindex(dev->ifindex);
+	rdev = cfg80211_get_dev_from_ifindex(dev_net(dev), dev->ifindex);
 
 	if (IS_ERR(rdev))
 		return PTR_ERR(rdev);
diff --git a/net/wireless/sme.c b/net/wireless/sme.c
index 82de2d9795f..d2b5d4ce0a0 100644
--- a/net/wireless/sme.c
+++ b/net/wireless/sme.c
@@ -8,6 +8,8 @@
 #include <linux/etherdevice.h>
 #include <linux/if_arp.h>
 #include <linux/workqueue.h>
+#include <linux/wireless.h>
+#include <net/iw_handler.h>
 #include <net/cfg80211.h>
 #include <net/rtnetlink.h>
 #include "nl80211.h"
@@ -86,7 +88,7 @@ static int cfg80211_conn_scan(struct wireless_dev *wdev)
 		wdev->conn->params.ssid_len);
 	request->ssids[0].ssid_len = wdev->conn->params.ssid_len;
 
-	request->ifidx = wdev->netdev->ifindex;
+	request->dev = wdev->netdev;
 	request->wiphy = &rdev->wiphy;
 
 	rdev->scan_req = request;
@@ -95,6 +97,7 @@ static int cfg80211_conn_scan(struct wireless_dev *wdev)
 	if (!err) {
 		wdev->conn->state = CFG80211_CONN_SCANNING;
 		nl80211_send_scan_start(rdev, wdev->netdev);
+		dev_hold(wdev->netdev);
 	} else {
 		rdev->scan_req = NULL;
 		kfree(request);
diff --git a/net/wireless/wext-compat.c b/net/wireless/wext-compat.c
index c7351a98e66..e4e90e249ba 100644
--- a/net/wireless/wext-compat.c
+++ b/net/wireless/wext-compat.c
@@ -14,6 +14,7 @@
 #include <linux/etherdevice.h>
 #include <net/iw_handler.h>
 #include <net/cfg80211.h>
+#include "wext-compat.h"
 #include "core.h"
 
 int cfg80211_wext_giwname(struct net_device *dev,
@@ -300,7 +301,6 @@ struct ieee80211_channel *cfg80211_wext_freq(struct wiphy *wiphy,
 		return ERR_PTR(-EINVAL);
 	return chan;
 }
-EXPORT_SYMBOL_GPL(cfg80211_wext_freq);
 
 int cfg80211_wext_siwrts(struct net_device *dev,
 			 struct iw_request_info *info,
@@ -759,6 +759,58 @@ int cfg80211_wext_giwencode(struct net_device *dev,
 }
 EXPORT_SYMBOL_GPL(cfg80211_wext_giwencode);
 
+int cfg80211_wext_siwfreq(struct net_device *dev,
+			  struct iw_request_info *info,
+			  struct iw_freq *freq, char *extra)
+{
+	struct wireless_dev *wdev = dev->ieee80211_ptr;
+	struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
+	struct ieee80211_channel *chan;
+	int err;
+
+	switch (wdev->iftype) {
+	case NL80211_IFTYPE_STATION:
+		return cfg80211_mgd_wext_siwfreq(dev, info, freq, extra);
+	case NL80211_IFTYPE_ADHOC:
+		return cfg80211_ibss_wext_siwfreq(dev, info, freq, extra);
+	default:
+		chan = cfg80211_wext_freq(wdev->wiphy, freq);
+		if (!chan)
+			return -EINVAL;
+		if (IS_ERR(chan))
+			return PTR_ERR(chan);
+		err = rdev->ops->set_channel(wdev->wiphy, chan,
+					     NL80211_CHAN_NO_HT);
+		if (err)
+			return err;
+		rdev->channel = chan;
+		return 0;
+	}
+}
+EXPORT_SYMBOL_GPL(cfg80211_wext_siwfreq);
+
+int cfg80211_wext_giwfreq(struct net_device *dev,
+			  struct iw_request_info *info,
+			  struct iw_freq *freq, char *extra)
+{
+	struct wireless_dev *wdev = dev->ieee80211_ptr;
+	struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
+
+	switch (wdev->iftype) {
+	case NL80211_IFTYPE_STATION:
+		return cfg80211_mgd_wext_giwfreq(dev, info, freq, extra);
+	case NL80211_IFTYPE_ADHOC:
+		return cfg80211_ibss_wext_giwfreq(dev, info, freq, extra);
+	default:
+		if (!rdev->channel)
+			return -EINVAL;
+		freq->m = rdev->channel->center_freq;
+		freq->e = 6;
+		return 0;
+	}
+}
+EXPORT_SYMBOL_GPL(cfg80211_wext_giwfreq);
+
 int cfg80211_wext_siwtxpower(struct net_device *dev,
 			     struct iw_request_info *info,
 			     union iwreq_data *data, char *extra)
@@ -1097,9 +1149,9 @@ int cfg80211_wext_giwpower(struct net_device *dev,
 }
 EXPORT_SYMBOL_GPL(cfg80211_wext_giwpower);
 
-int cfg80211_wds_wext_siwap(struct net_device *dev,
-			    struct iw_request_info *info,
-			    struct sockaddr *addr, char *extra)
+static int cfg80211_wds_wext_siwap(struct net_device *dev,
+				   struct iw_request_info *info,
+				   struct sockaddr *addr, char *extra)
 {
 	struct wireless_dev *wdev = dev->ieee80211_ptr;
 	struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
@@ -1125,11 +1177,10 @@ int cfg80211_wds_wext_siwap(struct net_device *dev,
 
 	return 0;
 }
-EXPORT_SYMBOL_GPL(cfg80211_wds_wext_siwap);
 
-int cfg80211_wds_wext_giwap(struct net_device *dev,
-			    struct iw_request_info *info,
-			    struct sockaddr *addr, char *extra)
+static int cfg80211_wds_wext_giwap(struct net_device *dev,
+				   struct iw_request_info *info,
+				   struct sockaddr *addr, char *extra)
 {
 	struct wireless_dev *wdev = dev->ieee80211_ptr;
 
@@ -1141,7 +1192,6 @@ int cfg80211_wds_wext_giwap(struct net_device *dev,
 
 	return 0;
 }
-EXPORT_SYMBOL_GPL(cfg80211_wds_wext_giwap);
 
 int cfg80211_wext_siwrate(struct net_device *dev,
 			  struct iw_request_info *info,
@@ -1275,3 +1325,115 @@ struct iw_statistics *cfg80211_wireless_stats(struct net_device *dev)
 	return &wstats;
 }
 EXPORT_SYMBOL_GPL(cfg80211_wireless_stats);
+
+int cfg80211_wext_siwap(struct net_device *dev,
+			struct iw_request_info *info,
+			struct sockaddr *ap_addr, char *extra)
+{
+	struct wireless_dev *wdev = dev->ieee80211_ptr;
+
+	switch (wdev->iftype) {
+	case NL80211_IFTYPE_ADHOC:
+		return cfg80211_ibss_wext_siwap(dev, info, ap_addr, extra);
+	case NL80211_IFTYPE_STATION:
+		return cfg80211_mgd_wext_siwap(dev, info, ap_addr, extra);
+	case NL80211_IFTYPE_WDS:
+		return cfg80211_wds_wext_siwap(dev, info, ap_addr, extra);
+	default:
+		return -EOPNOTSUPP;
+	}
+}
+EXPORT_SYMBOL_GPL(cfg80211_wext_siwap);
+
+int cfg80211_wext_giwap(struct net_device *dev,
+			struct iw_request_info *info,
+			struct sockaddr *ap_addr, char *extra)
+{
+	struct wireless_dev *wdev = dev->ieee80211_ptr;
+
+	switch (wdev->iftype) {
+	case NL80211_IFTYPE_ADHOC:
+		return cfg80211_ibss_wext_giwap(dev, info, ap_addr, extra);
+	case NL80211_IFTYPE_STATION:
+		return cfg80211_mgd_wext_giwap(dev, info, ap_addr, extra);
+	case NL80211_IFTYPE_WDS:
+		return cfg80211_wds_wext_giwap(dev, info, ap_addr, extra);
+	default:
+		return -EOPNOTSUPP;
+	}
+}
+EXPORT_SYMBOL_GPL(cfg80211_wext_giwap);
+
+int cfg80211_wext_siwessid(struct net_device *dev,
+			   struct iw_request_info *info,
+			   struct iw_point *data, char *ssid)
+{
+	struct wireless_dev *wdev = dev->ieee80211_ptr;
+
+	switch (wdev->iftype) {
+	case NL80211_IFTYPE_ADHOC:
+		return cfg80211_ibss_wext_siwessid(dev, info, data, ssid);
+	case NL80211_IFTYPE_STATION:
+		return cfg80211_mgd_wext_siwessid(dev, info, data, ssid);
+	default:
+		return -EOPNOTSUPP;
+	}
+}
+EXPORT_SYMBOL_GPL(cfg80211_wext_siwessid);
+
+int cfg80211_wext_giwessid(struct net_device *dev,
+			   struct iw_request_info *info,
+			   struct iw_point *data, char *ssid)
+{
+	struct wireless_dev *wdev = dev->ieee80211_ptr;
+
+	switch (wdev->iftype) {
+	case NL80211_IFTYPE_ADHOC:
+		return cfg80211_ibss_wext_giwessid(dev, info, data, ssid);
+	case NL80211_IFTYPE_STATION:
+		return cfg80211_mgd_wext_giwessid(dev, info, data, ssid);
+	default:
+		return -EOPNOTSUPP;
+	}
+}
+EXPORT_SYMBOL_GPL(cfg80211_wext_giwessid);
+
+static const iw_handler cfg80211_handlers[] = {
+	[IW_IOCTL_IDX(SIOCGIWNAME)]	= (iw_handler) cfg80211_wext_giwname,
+	[IW_IOCTL_IDX(SIOCSIWFREQ)]	= (iw_handler) cfg80211_wext_siwfreq,
+	[IW_IOCTL_IDX(SIOCGIWFREQ)]	= (iw_handler) cfg80211_wext_giwfreq,
+	[IW_IOCTL_IDX(SIOCSIWMODE)]	= (iw_handler) cfg80211_wext_siwmode,
+	[IW_IOCTL_IDX(SIOCGIWMODE)]	= (iw_handler) cfg80211_wext_giwmode,
+	[IW_IOCTL_IDX(SIOCGIWRANGE)]	= (iw_handler) cfg80211_wext_giwrange,
+	[IW_IOCTL_IDX(SIOCSIWAP)]	= (iw_handler) cfg80211_wext_siwap,
+	[IW_IOCTL_IDX(SIOCGIWAP)]	= (iw_handler) cfg80211_wext_giwap,
+	[IW_IOCTL_IDX(SIOCSIWMLME)]	= (iw_handler) cfg80211_wext_siwmlme,
+	[IW_IOCTL_IDX(SIOCSIWSCAN)]	= (iw_handler) cfg80211_wext_siwscan,
+	[IW_IOCTL_IDX(SIOCGIWSCAN)]	= (iw_handler) cfg80211_wext_giwscan,
+	[IW_IOCTL_IDX(SIOCSIWESSID)]	= (iw_handler) cfg80211_wext_siwessid,
+	[IW_IOCTL_IDX(SIOCGIWESSID)]	= (iw_handler) cfg80211_wext_giwessid,
+	[IW_IOCTL_IDX(SIOCSIWRATE)]	= (iw_handler) cfg80211_wext_siwrate,
+	[IW_IOCTL_IDX(SIOCGIWRATE)]	= (iw_handler) cfg80211_wext_giwrate,
+	[IW_IOCTL_IDX(SIOCSIWRTS)]	= (iw_handler) cfg80211_wext_siwrts,
+	[IW_IOCTL_IDX(SIOCGIWRTS)]	= (iw_handler) cfg80211_wext_giwrts,
+	[IW_IOCTL_IDX(SIOCSIWFRAG)]	= (iw_handler) cfg80211_wext_siwfrag,
+	[IW_IOCTL_IDX(SIOCGIWFRAG)]	= (iw_handler) cfg80211_wext_giwfrag,
+	[IW_IOCTL_IDX(SIOCSIWTXPOW)]	= (iw_handler) cfg80211_wext_siwtxpower,
+	[IW_IOCTL_IDX(SIOCGIWTXPOW)]	= (iw_handler) cfg80211_wext_giwtxpower,
+	[IW_IOCTL_IDX(SIOCSIWRETRY)]	= (iw_handler) cfg80211_wext_siwretry,
+	[IW_IOCTL_IDX(SIOCGIWRETRY)]	= (iw_handler) cfg80211_wext_giwretry,
+	[IW_IOCTL_IDX(SIOCSIWENCODE)]	= (iw_handler) cfg80211_wext_siwencode,
+	[IW_IOCTL_IDX(SIOCGIWENCODE)]	= (iw_handler) cfg80211_wext_giwencode,
+	[IW_IOCTL_IDX(SIOCSIWPOWER)]	= (iw_handler) cfg80211_wext_siwpower,
+	[IW_IOCTL_IDX(SIOCGIWPOWER)]	= (iw_handler) cfg80211_wext_giwpower,
+	[IW_IOCTL_IDX(SIOCSIWGENIE)]	= (iw_handler) cfg80211_wext_siwgenie,
+	[IW_IOCTL_IDX(SIOCSIWAUTH)]	= (iw_handler) cfg80211_wext_siwauth,
+	[IW_IOCTL_IDX(SIOCGIWAUTH)]	= (iw_handler) cfg80211_wext_giwauth,
+	[IW_IOCTL_IDX(SIOCSIWENCODEEXT)]= (iw_handler) cfg80211_wext_siwencodeext,
+};
+
+const struct iw_handler_def cfg80211_wext_handler = {
+	.num_standard		= ARRAY_SIZE(cfg80211_handlers),
+	.standard		= cfg80211_handlers,
+	.get_wireless_stats = cfg80211_wireless_stats,
+};
diff --git a/net/wireless/wext-compat.h b/net/wireless/wext-compat.h
new file mode 100644
index 00000000000..9a377474958
--- /dev/null
+++ b/net/wireless/wext-compat.h
@@ -0,0 +1,50 @@
+#ifndef __WEXT_COMPAT
+#define __WEXT_COMPAT
+
+#include <net/iw_handler.h>
+#include <linux/wireless.h>
+
+int cfg80211_ibss_wext_siwfreq(struct net_device *dev,
+			       struct iw_request_info *info,
+			       struct iw_freq *freq, char *extra);
+int cfg80211_ibss_wext_giwfreq(struct net_device *dev,
+			       struct iw_request_info *info,
+			       struct iw_freq *freq, char *extra);
+int cfg80211_ibss_wext_siwap(struct net_device *dev,
+			     struct iw_request_info *info,
+			     struct sockaddr *ap_addr, char *extra);
+int cfg80211_ibss_wext_giwap(struct net_device *dev,
+			     struct iw_request_info *info,
+			     struct sockaddr *ap_addr, char *extra);
+int cfg80211_ibss_wext_siwessid(struct net_device *dev,
+				struct iw_request_info *info,
+				struct iw_point *data, char *ssid);
+int cfg80211_ibss_wext_giwessid(struct net_device *dev,
+				struct iw_request_info *info,
+				struct iw_point *data, char *ssid);
+
+int cfg80211_mgd_wext_siwfreq(struct net_device *dev,
+			      struct iw_request_info *info,
+			      struct iw_freq *freq, char *extra);
+int cfg80211_mgd_wext_giwfreq(struct net_device *dev,
+			      struct iw_request_info *info,
+			      struct iw_freq *freq, char *extra);
+int cfg80211_mgd_wext_siwap(struct net_device *dev,
+			    struct iw_request_info *info,
+			    struct sockaddr *ap_addr, char *extra);
+int cfg80211_mgd_wext_giwap(struct net_device *dev,
+			    struct iw_request_info *info,
+			    struct sockaddr *ap_addr, char *extra);
+int cfg80211_mgd_wext_siwessid(struct net_device *dev,
+			       struct iw_request_info *info,
+			       struct iw_point *data, char *ssid);
+int cfg80211_mgd_wext_giwessid(struct net_device *dev,
+			       struct iw_request_info *info,
+			       struct iw_point *data, char *ssid);
+
+struct ieee80211_channel *cfg80211_wext_freq(struct wiphy *wiphy,
+					     struct iw_freq *freq);
+
+
+extern const struct iw_handler_def cfg80211_wext_handler;
+#endif /* __WEXT_COMPAT */
diff --git a/net/wireless/wext-sme.c b/net/wireless/wext-sme.c
index 4c689fd865b..7bacbd1c2af 100644
--- a/net/wireless/wext-sme.c
+++ b/net/wireless/wext-sme.c
@@ -8,6 +8,7 @@
 #include <linux/etherdevice.h>
 #include <linux/if_arp.h>
 #include <net/cfg80211.h>
+#include "wext-compat.h"
 #include "nl80211.h"
 
 int cfg80211_mgd_wext_connect(struct cfg80211_registered_device *rdev,
@@ -108,8 +109,6 @@ int cfg80211_mgd_wext_siwfreq(struct net_device *dev,
 	cfg80211_unlock_rdev(rdev);
 	return err;
 }
-/* temporary symbol - mark GPL - in the future the handler won't be */
-EXPORT_SYMBOL_GPL(cfg80211_mgd_wext_siwfreq);
 
 int cfg80211_mgd_wext_giwfreq(struct net_device *dev,
 			      struct iw_request_info *info,
@@ -138,8 +137,6 @@ int cfg80211_mgd_wext_giwfreq(struct net_device *dev,
 	/* no channel if not joining */
 	return -EINVAL;
 }
-/* temporary symbol - mark GPL - in the future the handler won't be */
-EXPORT_SYMBOL_GPL(cfg80211_mgd_wext_giwfreq);
 
 int cfg80211_mgd_wext_siwessid(struct net_device *dev,
 			       struct iw_request_info *info,
@@ -195,8 +192,6 @@ int cfg80211_mgd_wext_siwessid(struct net_device *dev,
 	cfg80211_unlock_rdev(wiphy_to_dev(wdev->wiphy));
 	return err;
 }
-/* temporary symbol - mark GPL - in the future the handler won't be */
-EXPORT_SYMBOL_GPL(cfg80211_mgd_wext_siwessid);
 
 int cfg80211_mgd_wext_giwessid(struct net_device *dev,
 			       struct iw_request_info *info,
@@ -221,8 +216,6 @@ int cfg80211_mgd_wext_giwessid(struct net_device *dev,
 
 	return 0;
 }
-/* temporary symbol - mark GPL - in the future the handler won't be */
-EXPORT_SYMBOL_GPL(cfg80211_mgd_wext_giwessid);
 
 int cfg80211_mgd_wext_siwap(struct net_device *dev,
 			    struct iw_request_info *info,
@@ -276,8 +269,6 @@ int cfg80211_mgd_wext_siwap(struct net_device *dev,
 	cfg80211_unlock_rdev(wiphy_to_dev(wdev->wiphy));
 	return err;
 }
-/* temporary symbol - mark GPL - in the future the handler won't be */
-EXPORT_SYMBOL_GPL(cfg80211_mgd_wext_siwap);
 
 int cfg80211_mgd_wext_giwap(struct net_device *dev,
 			    struct iw_request_info *info,
@@ -302,8 +293,6 @@ int cfg80211_mgd_wext_giwap(struct net_device *dev,
 
 	return 0;
 }
-/* temporary symbol - mark GPL - in the future the handler won't be */
-EXPORT_SYMBOL_GPL(cfg80211_mgd_wext_giwap);
 
 int cfg80211_wext_siwgenie(struct net_device *dev,
 			   struct iw_request_info *info,
author	David S. Miller <davem@davemloft.net>	2009-07-30 19:26:55 -0700
committer	David S. Miller <davem@davemloft.net>	2009-07-30 19:26:55 -0700
commit	2f6d7c1b34403b97fa57473edcb6749d1db5ace3 (patch)
tree	97da33c077b08b72a361ff5a4542b86d190b0164 /net
parent	df597efb5737063497f1a4f7c996cc9aec294230 (diff)
parent	1e4247d457c6a42e4a05cb7dfa4e6ea1fa65c112 (diff)