openwrt-xburst/package/madwifi/patches/370-wdsvap.patch

--- a/ath/if_ath.c
+++ b/ath/if_ath.c
@@ -124,7 +124,7 @@ enum {
 };
 
 static struct ieee80211vap *ath_vap_create(struct ieee80211com *,
-	const char *, int, int, struct net_device *);
+	const char *, int, int, struct net_device *, struct ieee80211vap *);
 static void ath_vap_delete(struct ieee80211vap *);
 static int ath_init(struct net_device *);
 static int ath_set_ack_bitrate(struct ath_softc *, int);
@@ -1123,8 +1123,6 @@ ath_attach(u_int16_t devid, struct net_d
 			autocreatemode = IEEE80211_M_IBSS;
 		else if (!strcmp(autocreate, "ahdemo"))
 			autocreatemode = IEEE80211_M_AHDEMO;
-		else if (!strcmp(autocreate, "wds"))
-			autocreatemode = IEEE80211_M_WDS;
 		else if (!strcmp(autocreate, "monitor"))
 			autocreatemode = IEEE80211_M_MONITOR;
 		else {
@@ -1137,7 +1135,7 @@ ath_attach(u_int16_t devid, struct net_d
 	if (autocreatemode != -1) {
 		rtnl_lock();
 		vap = ieee80211_create_vap(ic, "ath%d", dev,
-				autocreatemode, 0);
+				autocreatemode, 0, NULL);
 		rtnl_unlock();
 		if (vap == NULL)
 			EPRINTF(sc, "Autocreation of %s VAP failed.", autocreate);
@@ -1230,14 +1228,14 @@ ath_detach(struct net_device *dev)
 
 static struct ieee80211vap *
 ath_vap_create(struct ieee80211com *ic, const char *name,
-	int opmode, int flags, struct net_device *mdev)
+	int opmode, int flags, struct net_device *mdev, struct ieee80211vap *master)
 {
 	struct ath_softc *sc = ic->ic_dev->priv;
 	struct ath_hal *ah = sc->sc_ah;
 	struct net_device *dev;
 	struct ath_vap *avp;
 	struct ieee80211vap *vap;
-	int ic_opmode;
+	int ic_opmode = IEEE80211_M_STA;
 
 	if (ic->ic_dev->flags & IFF_RUNNING) {
 		/* needs to disable hardware too */
@@ -1271,8 +1269,11 @@ ath_vap_create(struct ieee80211com *ic, 
 		} else
 			ic_opmode = opmode;
 		break;
-	case IEEE80211_M_HOSTAP:
 	case IEEE80211_M_WDS:
+		if (!master)
+			return NULL;
+		break;
+	case IEEE80211_M_HOSTAP:
 		/* permit multiple APs and/or WDS links */
 		/* XXX sta+ap for repeater/bridge application */
 		if ((sc->sc_nvaps != 0) && (ic->ic_opmode == IEEE80211_M_STA))
@@ -1304,7 +1305,7 @@ ath_vap_create(struct ieee80211com *ic, 
 	}
 
 	avp = dev->priv;
-	ieee80211_vap_setup(ic, dev, name, opmode, flags);
+	ieee80211_vap_setup(ic, dev, name, opmode, flags, master);
 	/* override with driver methods */
 	vap = &avp->av_vap;
 	avp->av_newstate = vap->iv_newstate;
@@ -4209,8 +4210,7 @@ ath_calcrxfilter(struct ath_softc *sc)
 	if (ic->ic_opmode == IEEE80211_M_STA ||
 	    sc->sc_opmode == HAL_M_IBSS ||	/* NB: AHDEMO too */
 	    (sc->sc_nostabeacons) || sc->sc_scanning ||
-		((ic->ic_opmode == IEEE80211_M_HOSTAP) &&
-		 (ic->ic_protmode != IEEE80211_PROT_NONE)))
+		(ic->ic_opmode == IEEE80211_M_HOSTAP))
 		rfilt |= HAL_RX_FILTER_BEACON;
 	if (sc->sc_nmonvaps > 0)
 		rfilt |= (HAL_RX_FILTER_CONTROL | HAL_RX_FILTER_BEACON |
@@ -9030,8 +9030,6 @@ ath_calibrate(unsigned long arg)
 		 * set sc->beacons if we might need to restart
                  * them after ath_reset. */
 		if (!sc->sc_beacons &&
-				(TAILQ_FIRST(&ic->ic_vaps)->iv_opmode != 
-				 IEEE80211_M_WDS) &&
 				!txcont_was_active &&
 				!sc->sc_dfs_cac) {
 			sc->sc_beacons = 1;
--- a/net80211/ieee80211.c
+++ b/net80211/ieee80211.c
@@ -373,10 +373,25 @@ void
 ieee80211_ifdetach(struct ieee80211com *ic)
 {
 	struct ieee80211vap *vap;
+	int count;
+
+	/* bring down all vaps */
+	TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) {
+		ieee80211_stop(vap->iv_dev);
+	}
+
+	/* wait for all subifs to disappear */
+	do {
+		schedule();
+		rtnl_lock();
+		count = ic->ic_subifs;
+		rtnl_unlock();
+	} while (count > 0);
 
 	rtnl_lock();
-	while ((vap = TAILQ_FIRST(&ic->ic_vaps)) != NULL)
+	while ((vap = TAILQ_FIRST(&ic->ic_vaps)) != NULL) {
 		ic->ic_vap_delete(vap);
+	}
 	rtnl_unlock();
 
 	del_timer(&ic->ic_dfs_excl_timer);
@@ -396,7 +411,7 @@ EXPORT_SYMBOL(ieee80211_ifdetach);
 
 int
 ieee80211_vap_setup(struct ieee80211com *ic, struct net_device *dev,
-	const char *name, int opmode, int flags)
+	const char *name, int opmode, int flags, struct ieee80211vap *master)
 {
 #define	IEEE80211_C_OPMODE \
 	(IEEE80211_C_IBSS | IEEE80211_C_HOSTAP | IEEE80211_C_AHDEMO | \
@@ -510,9 +525,18 @@ ieee80211_vap_setup(struct ieee80211com 
 
 	vap->iv_monitor_crc_errors = 0;
 	vap->iv_monitor_phy_errors = 0;
+	TAILQ_INIT(&vap->iv_wdslinks);
 
-	IEEE80211_ADDR_COPY(vap->iv_myaddr, ic->ic_myaddr);
-	IEEE80211_ADDR_COPY(vap->iv_bssid, ic->ic_myaddr);
+	if (master && (vap->iv_opmode == IEEE80211_M_WDS)) {
+		vap->iv_master = master;
+		TAILQ_INSERT_TAIL(&master->iv_wdslinks, vap, iv_wdsnext);
+		/* use the same BSSID as the master interface */
+		IEEE80211_ADDR_COPY(vap->iv_myaddr, vap->iv_master->iv_myaddr);
+		IEEE80211_ADDR_COPY(vap->iv_bssid, vap->iv_master->iv_myaddr);
+	} else {
+		IEEE80211_ADDR_COPY(vap->iv_myaddr, ic->ic_myaddr);
+		IEEE80211_ADDR_COPY(vap->iv_bssid, ic->ic_myaddr);
+	}
 	/* NB: Defer setting dev_addr so driver can override */
 
 	ieee80211_crypto_vattach(vap);
@@ -547,7 +571,8 @@ ieee80211_vap_attach(struct ieee80211vap
 	ifmedia_set(&vap->iv_media, imr.ifm_active);
 
 	IEEE80211_LOCK_IRQ(ic);
-	TAILQ_INSERT_TAIL(&ic->ic_vaps, vap, iv_next);
+	if (vap->iv_opmode != IEEE80211_M_WDS)
+		TAILQ_INSERT_TAIL(&ic->ic_vaps, vap, iv_next);
 	IEEE80211_UNLOCK_IRQ(ic);
 
 	IEEE80211_ADDR_COPY(dev->dev_addr, vap->iv_myaddr);
@@ -579,10 +604,27 @@ ieee80211_vap_detach(struct ieee80211vap
 {
 	struct ieee80211com *ic = vap->iv_ic;
 	struct net_device *dev = vap->iv_dev;
+	struct ieee80211vap *avp;
+
+	/* Drop all WDS links that belong to this vap */
+	while ((avp = TAILQ_FIRST(&vap->iv_wdslinks)) != NULL) {
+		if (avp->iv_state != IEEE80211_S_INIT)
+			ieee80211_stop(avp->iv_dev);
+		ic->ic_vap_delete(avp);
+	}
 
 	IEEE80211_CANCEL_TQUEUE(&vap->iv_stajoin1tq);
 	IEEE80211_LOCK_IRQ(ic);
-	TAILQ_REMOVE(&ic->ic_vaps, vap, iv_next);
+	if (vap->iv_wdsnode) {
+		vap->iv_wdsnode->ni_subif = NULL;
+		ieee80211_unref_node(&vap->iv_wdsnode);
+	}
+	if ((vap->iv_opmode == IEEE80211_M_WDS) &&
+		(vap->iv_master != NULL))
+		TAILQ_REMOVE(&vap->iv_master->iv_wdslinks, vap, iv_wdsnext);
+	else
+		TAILQ_REMOVE(&ic->ic_vaps, vap, iv_next);
+
 	if (TAILQ_EMPTY(&ic->ic_vaps))		/* reset to supported mode */
 		ic->ic_opmode = IEEE80211_M_STA;
 	IEEE80211_UNLOCK_IRQ(ic);
--- a/net80211/ieee80211_ioctl.h
+++ b/net80211/ieee80211_ioctl.h
@@ -474,7 +474,7 @@ struct ieee80211req {
 #define	IEEE80211_IOC_DTIM_PERIOD	52	/* DTIM period (beacons) */
 #define	IEEE80211_IOC_BEACON_INTERVAL	53	/* beacon interval (ms) */
 #define	IEEE80211_IOC_ADDMAC		54	/* add sta to MAC ACL table */
-#define	IEEE80211_IOC_DELMAC		55	/* del sta from MAC ACL table */
+#define	IEEE80211_IOC_SETMAC		55	/* set interface wds mac addr */
 #define	IEEE80211_IOC_FF		56	/* ATH fast frames (on, off) */
 #define	IEEE80211_IOC_TURBOP		57	/* ATH turbo' (on, off) */
 #define	IEEE80211_IOC_APPIEBUF		58	/* IE in the management frame */
@@ -552,8 +552,8 @@ struct ieee80211req_scan_result {
 #define	IEEE80211_IOCTL_HALMAP		(SIOCIWFIRSTPRIV+21)
 #define	IEEE80211_IOCTL_ADDMAC		(SIOCIWFIRSTPRIV+22)
 #define	IEEE80211_IOCTL_DELMAC		(SIOCIWFIRSTPRIV+24)
-#define	IEEE80211_IOCTL_WDSADDMAC	(SIOCIWFIRSTPRIV+26)
-#define	IEEE80211_IOCTL_WDSDELMAC	(SIOCIWFIRSTPRIV+28)
+#define	IEEE80211_IOCTL_WDSADDMAC	(SIOCIWFIRSTPRIV+25)
+#define	IEEE80211_IOCTL_WDSSETMAC	(SIOCIWFIRSTPRIV+26)
 #define	IEEE80211_IOCTL_KICKMAC		(SIOCIWFIRSTPRIV+30)
 #define	IEEE80211_IOCTL_SETSCANLIST	(SIOCIWFIRSTPRIV+31)
 
@@ -649,6 +649,7 @@ enum {
 	IEEE80211_PARAM_BGSCAN_THRESH		= 79,	/* bg scan rssi threshold */
 	IEEE80211_PARAM_RSSI_DIS_THR	= 80,	/* rssi threshold for disconnection */
 	IEEE80211_PARAM_RSSI_DIS_COUNT	= 81,	/* counter for rssi threshold */
+	IEEE80211_PARAM_WDS_SEP			= 82,	/* move wds stations into separate interfaces */
 };
 
 #define	SIOCG80211STATS			(SIOCDEVPRIVATE+2)
--- a/net80211/ieee80211_linux.h
+++ b/net80211/ieee80211_linux.h
@@ -81,6 +81,12 @@ set_quality(struct iw_quality *iq, u_int
 #endif
 }
 
+#ifndef container_of
+#define container_of(ptr, type, member) ({          \
+    const typeof( ((type *)0)->member ) *__mptr = (ptr);    \
+	    (type *)( (char *)__mptr - offsetof(type,member) );})
+#endif
+
 /*
  * Task deferral
  *
@@ -113,6 +119,29 @@ typedef void *IEEE80211_TQUEUE_ARG;
 
 #define	IEEE80211_RESCHEDULE	schedule
 
+#include <linux/sched.h>
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,41)
+#include <linux/tqueue.h>
+#define work_struct			tq_struct
+#define schedule_work(t)		schedule_task((t))
+#define flush_scheduled_work()		flush_scheduled_tasks()
+#define IEEE80211_INIT_WORK(t, f) do { 			\
+	memset((t), 0, sizeof(struct tq_struct)); \
+	(t)->routine = (void (*)(void*)) (f); 	\
+	(t)->data=(void *) (t);			\
+} while (0)
+#else
+#include <linux/workqueue.h>
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)
+#define IEEE80211_INIT_WORK(_t, _f)	INIT_WORK((_t), (void (*)(void *))(_f), (_t));
+#else
+#define IEEE80211_INIT_WORK(_t, _f)	INIT_WORK((_t), (_f));
+#endif
+
+#endif /* KERNEL_VERSION < 2.5.41 */
+
+
 /* Locking */
 /* NB: beware, spin_is_locked() is not usefully defined for !(DEBUG || SMP)
  * because spinlocks do not exist in this configuration. Instead IRQs 
@@ -167,6 +196,14 @@ typedef spinlock_t ieee80211com_lock_t;
 	IEEE80211_VAPS_LOCK_ASSERT(_ic);		\
 	spin_unlock_bh(&(_ic)->ic_vapslock);		\
 } while (0)
+#define	IEEE80211_VAPS_LOCK_IRQ(_ic) do {					\
+	unsigned long __ilockflags;					\
+	IEEE80211_VAPS_LOCK_CHECK(_ic);					\
+	spin_lock_irqsave(&(_ic)->ic_vapslock, __ilockflags);
+#define	IEEE80211_VAPS_UNLOCK_IRQ(_ic)					\
+	IEEE80211_VAPS_LOCK_ASSERT(_ic);					\
+	spin_unlock_irqrestore(&(_ic)->ic_vapslock, __ilockflags);	\
+} while (0)
 
 #if (defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK)) && defined(spin_is_locked)
 #define IEEE80211_VAPS_LOCK_ASSERT(_ic) \
@@ -650,5 +687,5 @@ struct ifreq;
 int ieee80211_ioctl_create_vap(struct ieee80211com *, struct ifreq *,
 	struct net_device *);
 struct ieee80211vap *ieee80211_create_vap(struct ieee80211com *, char *,
-	struct net_device *, int, int);
+	struct net_device *, int, int, struct ieee80211vap *);
 #endif /* _NET80211_IEEE80211_LINUX_H_ */
--- a/net80211/ieee80211_var.h
+++ b/net80211/ieee80211_var.h
@@ -187,6 +187,12 @@ struct ieee80211vap {
 	struct ieee80211_proc_entry *iv_proc_entries;
 	struct vlan_group *iv_vlgrp;			/* vlan group state */
 
+	/* list of wds links */
+	TAILQ_HEAD(, ieee80211vap) iv_wdslinks;
+	TAILQ_ENTRY(ieee80211vap) iv_wdsnext;
+	struct ieee80211vap *iv_master;
+	struct ieee80211_node *iv_wdsnode;
+
 	TAILQ_ENTRY(ieee80211vap) iv_next;		/* list of vap instances */
 	struct ieee80211com *iv_ic;			/* back ptr to common state */
 	u_int32_t iv_debug;				/* debug msg flags */
@@ -316,6 +322,7 @@ struct ieee80211com {
 	u_int8_t ic_myaddr[IEEE80211_ADDR_LEN];
 	struct timer_list ic_inact;		/* mgmt/inactivity timer */
 
+	unsigned int ic_subifs;
 	u_int32_t ic_flags;			/* state flags */
 	u_int32_t ic_flags_ext;			/* extension of state flags */
 	u_int32_t ic_caps;			/* capabilities */
@@ -447,7 +454,7 @@ struct ieee80211com {
 	atomic_t ic_node_counter;
 	/* Virtual AP create/delete */
 	struct ieee80211vap *(*ic_vap_create)(struct ieee80211com *,
-		const char *, int, int, struct net_device *);
+		const char *, int, int, struct net_device *, struct ieee80211vap *);
 	void (*ic_vap_delete)(struct ieee80211vap *);
 
 	/* Send/recv 802.11 management frame */
@@ -619,6 +626,7 @@ MALLOC_DECLARE(M_80211_VAP);
 #define IEEE80211_FEXT_DROPUNENC_EAPOL	0x00000800	/* CONF: drop unencrypted eapol frames */
 #define IEEE80211_FEXT_APPIE_UPDATE	0x00001000	/* STATE: beacon APP IE updated */
 #define IEEE80211_FEXT_BGSCAN_THR	0x00002000	/* bgscan due to low rssi */
+#define IEEE80211_FEXT_WDSSEP		0x00004000	/* move wds clients into separate interfaces */
 
 #define IEEE80211_COM_UAPSD_ENABLE(_ic)		((_ic)->ic_flags_ext |= IEEE80211_FEXT_UAPSD)
 #define IEEE80211_COM_UAPSD_DISABLE(_ic)	((_ic)->ic_flags_ext &= ~IEEE80211_FEXT_UAPSD)
@@ -703,7 +711,7 @@ MALLOC_DECLARE(M_80211_VAP);
 int ieee80211_ifattach(struct ieee80211com *);
 void ieee80211_ifdetach(struct ieee80211com *);
 int ieee80211_vap_setup(struct ieee80211com *, struct net_device *,
-	const char *, int, int);
+	const char *, int, int, struct ieee80211vap *);
 int ieee80211_vap_attach(struct ieee80211vap *, ifm_change_cb_t, ifm_stat_cb_t);
 void ieee80211_vap_detach(struct ieee80211vap *);
 void ieee80211_mark_dfs(struct ieee80211com *, struct ieee80211_channel *);
--- a/net80211/ieee80211_wireless.c
+++ b/net80211/ieee80211_wireless.c
@@ -2190,7 +2190,7 @@ ieee80211_setupxr(struct ieee80211vap *v
 			ieee80211_scan_flush(ic);	/* NB: could optimize */
 
 			if (!(xrvap = ic->ic_vap_create(ic, name, IEEE80211_M_HOSTAP,
-				IEEE80211_VAP_XR | IEEE80211_CLONE_BSSID, dev)))
+				IEEE80211_VAP_XR | IEEE80211_CLONE_BSSID, dev, NULL)))
 				return;
 
 			/* We use iv_xrvap to link to the parent VAP as well */
@@ -2867,6 +2867,14 @@ ieee80211_ioctl_setparam(struct net_devi
 		else
 			vap->iv_minrateindex = 0;
 		break;
+	case IEEE80211_PARAM_WDS_SEP:
+		if (vap->iv_opmode != IEEE80211_M_HOSTAP)
+			retv = -EINVAL;
+		else if (value)
+			vap->iv_flags_ext |= IEEE80211_FEXT_WDSSEP;
+		else
+			vap->iv_flags_ext &= ~IEEE80211_FEXT_WDSSEP;
+		break;
 #ifdef ATH_REVERSE_ENGINEERING
 	case IEEE80211_PARAM_DUMPREGS:
 		ieee80211_dump_registers(dev, info, w, extra);
@@ -3223,6 +3231,9 @@ ieee80211_ioctl_getparam(struct net_devi
 	case IEEE80211_PARAM_MINRATE:
 		param[0] = vap->iv_minrateindex;
 		break;
+	case IEEE80211_PARAM_WDS_SEP:
+		param[0] = !!(vap->iv_flags_ext & IEEE80211_FEXT_WDSSEP);
+		break;
 	default:
 		return -EOPNOTSUPP;
 	}
@@ -3801,74 +3812,54 @@ ieee80211_ioctl_setmlme(struct net_devic
 	return 0;
 }
 
+#define WDSNAME ".wds%d"
 static int
-ieee80211_ioctl_wdsmac(struct net_device *dev, struct iw_request_info *info,
+ieee80211_ioctl_wdsaddmac(struct net_device *dev, struct iw_request_info *info,
 	void *w, char *extra)
 {
 	struct ieee80211vap *vap = dev->priv;
 	struct sockaddr *sa = (struct sockaddr *)extra;
+	struct ieee80211com *ic = vap->iv_ic;
+	struct ieee80211vap *avp;
+	char *name;
 
-	if (!IEEE80211_ADDR_NULL(vap->wds_mac)) {
-		printk("%s: Failed to add WDS MAC: " MAC_FMT "\n", dev->name,
-			MAC_ADDR(sa->sa_data));
-		printk("%s: Device already has WDS mac address attached,"
-			" remove first\n", dev->name);
-		return -1;
-	}
-
-	memcpy(vap->wds_mac, sa->sa_data, IEEE80211_ADDR_LEN);
+	if (vap->iv_opmode != IEEE80211_M_HOSTAP)
+		return -EINVAL;
 
-	printk("%s: Added WDS MAC: " MAC_FMT "\n", dev->name,
-		MAC_ADDR(vap->wds_mac));
+	name = kmalloc(strlen(vap->iv_dev->name) + sizeof(WDSNAME) + 1, GFP_KERNEL);
+	if (!name)
+		return -ENOMEM;
 
-	if (IS_UP(vap->iv_dev)) {
-		/* Force us back to scan state to force us to go back through RUN
-		 * state and create/pin the WDS peer node into memory. */
-		return ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);
-	}
+	strcpy(name, vap->iv_dev->name);
+	strcat(name, WDSNAME);
+	avp = ieee80211_create_vap(ic, name, ic->ic_dev, IEEE80211_M_WDS, 0, vap);
+	kfree(name);
+	if (!avp)
+		return -ENOMEM;
 
+	memcpy(avp->wds_mac, sa->sa_data, IEEE80211_ADDR_LEN);
 	return 0;
 }
+#undef WDSNAME
 
 static int
-ieee80211_ioctl_wdsdelmac(struct net_device *dev, struct iw_request_info *info,
+ieee80211_ioctl_wdssetmac(struct net_device *dev, struct iw_request_info *info,
 	void *w, char *extra)
 {
 	struct ieee80211vap *vap = dev->priv;
 	struct sockaddr *sa = (struct sockaddr *)extra;
-	struct ieee80211com *ic = vap->iv_ic;
-	struct ieee80211_node *wds_ni;
 
-	/* WDS Mac address filed already? */
-	if (IEEE80211_ADDR_NULL(vap->wds_mac))
-		return 0;
+	if (vap->iv_opmode != IEEE80211_M_WDS)
+		return -EINVAL;
 
-	/* Compare suplied MAC address with WDS MAC of this interface 
-	 * remove when mac address is known
-	 */
-	if (memcmp(vap->wds_mac, sa->sa_data, IEEE80211_ADDR_LEN) == 0) {
-		if (IS_UP(vap->iv_dev)) {
-			wds_ni = ieee80211_find_txnode(vap, vap->wds_mac);
-			if (wds_ni != NULL) {
-				/* Release reference created by find node */
-				ieee80211_unref_node(&wds_ni);
-				/* Release reference created by transition to RUN state,
-				 * [pinning peer node into the table] */
-				ieee80211_unref_node(&wds_ni);
-			}
-		}
-		memset(vap->wds_mac, 0x00, IEEE80211_ADDR_LEN);
-		if (IS_UP(vap->iv_dev)) {
-			/* This leaves a dead WDS node, until started again */
-			return ic->ic_reset(ic->ic_dev);
-		}
-		return 0;
+	memcpy(vap->wds_mac, sa->sa_data, IEEE80211_ADDR_LEN);
+	if (IS_UP(vap->iv_dev)) {
+		/* Force us back to scan state to force us to go back through RUN
+		 * state and create/pin the WDS peer node into memory. */
+		return ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);
 	}
 
-	printk("%s: WDS MAC address " MAC_FMT " is not known by this interface\n",
-		dev->name, MAC_ADDR(sa->sa_data));
-
-	return -1;
+	return 0;
 }
 
 /*
@@ -4470,6 +4461,8 @@ get_sta_space(void *arg, struct ieee8021
 	struct ieee80211vap *vap = ni->ni_vap;
 	size_t ielen;
 
+	if (req->vap->iv_wdsnode && ni->ni_subif)
+		vap = ni->ni_subif;
 	if (vap != req->vap && vap != req->vap->iv_xrvap)	/* only entries for this vap */
 		return;
 	if ((vap->iv_opmode == IEEE80211_M_HOSTAP ||
@@ -4489,6 +4482,8 @@ get_sta_info(void *arg, struct ieee80211
 	size_t ielen, len;
 	u_int8_t *cp;
 
+	if (req->vap->iv_wdsnode && ni->ni_subif)
+		vap = ni->ni_subif;
 	if (vap != req->vap && vap != req->vap->iv_xrvap)	/* only entries for this vap (or) xrvap */
 		return;
 	if ((vap->iv_opmode == IEEE80211_M_HOSTAP ||
@@ -5391,8 +5386,8 @@ static const struct iw_priv_args ieee802
 	  IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0, "kickmac"},
 	{ IEEE80211_IOCTL_WDSADDMAC,
 	  IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0,"wds_add" },
-	{ IEEE80211_IOCTL_WDSDELMAC,
-	  IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0,"wds_del" },
+	{ IEEE80211_IOCTL_WDSSETMAC,
+	  IW_PRIV_TYPE_ADDR | IW_PRIV_SIZE_FIXED | 1, 0,"wds_set" },
 	{ IEEE80211_IOCTL_SETCHANLIST,
 	  IW_PRIV_TYPE_CHANLIST | IW_PRIV_SIZE_FIXED, 0,"setchanlist" },
 	{ IEEE80211_IOCTL_GETCHANLIST,
@@ -5790,6 +5785,10 @@ static const struct iw_priv_args ieee802
 	 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_minrate"},
 	{ IEEE80211_IOCTL_SETSCANLIST,
 	 IW_PRIV_TYPE_CHAR | 255, 0, "setscanlist"},
+	{ IEEE80211_PARAM_WDS_SEP,
+	 IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "wdssep"},
+	{ IEEE80211_PARAM_WDS_SEP,
+	 0, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_wdssep"},
 
 #ifdef ATH_REVERSE_ENGINEERING
 	/*
@@ -5884,8 +5883,8 @@ static const iw_handler ieee80211_priv_h
 #endif
 	set_priv(IEEE80211_IOCTL_ADDMAC, ieee80211_ioctl_addmac),
 	set_priv(IEEE80211_IOCTL_DELMAC, ieee80211_ioctl_delmac),
-	set_priv(IEEE80211_IOCTL_WDSADDMAC, ieee80211_ioctl_wdsmac),
-	set_priv(IEEE80211_IOCTL_WDSDELMAC, ieee80211_ioctl_wdsdelmac),
+	set_priv(IEEE80211_IOCTL_WDSADDMAC, ieee80211_ioctl_wdsaddmac),
+	set_priv(IEEE80211_IOCTL_WDSSETMAC, ieee80211_ioctl_wdssetmac),
 	set_priv(IEEE80211_IOCTL_KICKMAC, ieee80211_ioctl_kickmac),
 	set_priv(IEEE80211_IOCTL_SETSCANLIST, ieee80211_ioctl_setscanlist),
 #ifdef ATH_REVERSE_ENGINEERING
@@ -5913,6 +5912,8 @@ static int
 ieee80211_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
 {
 	struct ieee80211vap *vap = dev->priv;
+	struct ieee80211com *ic = vap->iv_ic;
+	struct ieee80211_node *ni;
 
 	switch (cmd) {
 	case SIOCG80211STATS:
@@ -5921,8 +5922,20 @@ ieee80211_ioctl(struct net_device *dev, 
 	case SIOC80211IFDESTROY:
 		if (!capable(CAP_NET_ADMIN))
 			return -EPERM;
+		/* drop all node subifs */
+		TAILQ_FOREACH(ni, &ic->ic_sta.nt_node, ni_list) {
+			struct ieee80211vap *avp = ni->ni_subif;
+
+			if (ni->ni_vap != vap)
+				continue;
+			if (!avp)
+				continue;
+			ni->ni_subif = NULL;
+			ieee80211_stop(avp->iv_dev);
+			ic->ic_vap_delete(avp);
+		}
 		ieee80211_stop(vap->iv_dev);	/* force state before cleanup */
-		vap->iv_ic->ic_vap_delete(vap);
+		ic->ic_vap_delete(vap);
 		return 0;
 	case IEEE80211_IOCTL_GETKEY:
 		return ieee80211_ioctl_getkey(dev, (struct iwreq *) ifr);
@@ -5956,7 +5969,7 @@ ieee80211_ioctl_create_vap(struct ieee80
 
 	strncpy(name, cp.icp_name, sizeof(name));
 
-	vap = ieee80211_create_vap(ic, name, mdev, cp.icp_opmode, cp.icp_flags);
+	vap = ieee80211_create_vap(ic, name, mdev, cp.icp_opmode, cp.icp_flags, NULL);
 	if (vap == NULL)
 		return -EIO;
 
@@ -5973,9 +5986,9 @@ EXPORT_SYMBOL(ieee80211_ioctl_create_vap
  */
 struct ieee80211vap*
 ieee80211_create_vap(struct ieee80211com *ic, char *name,
-	struct net_device *mdev, int opmode, int opflags)
+	struct net_device *mdev, int opmode, int opflags, struct ieee80211vap *master)
 {
-	return ic->ic_vap_create(ic, name, opmode, opflags, mdev);
+	return ic->ic_vap_create(ic, name, opmode, opflags, mdev, master);
 }
 EXPORT_SYMBOL(ieee80211_create_vap);
 
--- a/net80211/ieee80211_input.c
+++ b/net80211/ieee80211_input.c
@@ -199,8 +199,10 @@ ieee80211_input(struct ieee80211vap * va
 {
 #define	HAS_SEQ(type)	((type & 0x4) == 0)
 	struct ieee80211_node * ni = ni_or_null;
-	struct ieee80211com *ic = vap->iv_ic;
-	struct net_device *dev = vap->iv_dev;
+	struct ieee80211com *ic;
+	struct net_device *dev;
+	struct ieee80211_node *ni_wds = NULL;
+	struct net_device_stats *stats;
 	struct ieee80211_frame *wh;
 	struct ieee80211_key *key;
 	struct ether_header *eh;
@@ -212,6 +214,19 @@ ieee80211_input(struct ieee80211vap * va
 	u_int8_t *bssid;
 	u_int16_t rxseq;
 
+	type = -1;			/* undefined */
+
+	if (!vap)
+		goto out;
+
+	ic = vap->iv_ic;
+	if (!ic)
+		goto out;
+
+	dev = vap->iv_dev;
+	if (!dev)
+		goto out;
+
 	/* initialize ni as in the previous API */
 	if (ni_or_null == NULL) {
                /* This function does not 'own' vap->iv_bss, so we cannot
@@ -227,7 +242,6 @@ ieee80211_input(struct ieee80211vap * va
 
 	/* XXX adjust device in sk_buff? */
 
-	type = -1;			/* undefined */
 	/*
 	 * In monitor mode, send everything directly to bpf.
 	 * Also do not process frames w/o i_addr2 any further.
@@ -434,7 +448,7 @@ ieee80211_input(struct ieee80211vap * va
 
 	switch (type) {
 	case IEEE80211_FC0_TYPE_DATA:
-		hdrspace = ieee80211_hdrspace(ic, wh);
+		hdrspace = ieee80211_hdrsize(wh);
 		if (skb->len < hdrspace) {
 			IEEE80211_DISCARD(vap, IEEE80211_MSG_ANY,
 				wh, "data", "too short: len %u, expecting %u",
@@ -444,16 +458,24 @@ ieee80211_input(struct ieee80211vap * va
 		}
 		switch (vap->iv_opmode) {
 		case IEEE80211_M_STA:
-			if ((dir != IEEE80211_FC1_DIR_FROMDS) &&
-			    (!((vap->iv_flags_ext & IEEE80211_FEXT_WDS) &&
-			    (dir == IEEE80211_FC1_DIR_DSTODS)))) {
+			switch(dir) {
+			case IEEE80211_FC1_DIR_FROMDS:
+				break;
+			case IEEE80211_FC1_DIR_DSTODS:
+				if (vap->iv_flags_ext & IEEE80211_FEXT_WDS)
+					break;
+			default:
 				IEEE80211_DISCARD(vap, IEEE80211_MSG_ANY,
 					wh, "data", "invalid dir 0x%x", dir);
 				vap->iv_stats.is_rx_wrongdir++;
 				goto out;
 			}
 
-	        	if (IEEE80211_IS_MULTICAST(wh->i_addr1)) {
+			if (IEEE80211_IS_MULTICAST(wh->i_addr1)) {
+				/* ignore 3-addr mcast if we're WDS STA */
+				if (vap->iv_flags_ext & IEEE80211_FEXT_WDS)
+					goto out;
+
 				/* Discard multicast if IFF_MULTICAST not set */
 				if ((0 != memcmp(wh->i_addr3, dev->broadcast, ETH_ALEN)) && 
 					(0 == (dev->flags & IFF_MULTICAST))) {
@@ -481,24 +503,10 @@ ieee80211_input(struct ieee80211vap * va
 					vap->iv_stats.is_rx_mcastecho++;
 					goto out;
 				}
-				/* 
-				 * if it is brodcasted by me on behalf of
-				 * a station behind me, drop it.
-				 */
-				if (vap->iv_flags_ext & IEEE80211_FEXT_WDS) {
-					struct ieee80211_node_table *nt;
-					struct ieee80211_node *ni_wds;
-					nt = &ic->ic_sta;
-					ni_wds = ieee80211_find_wds_node(nt, wh->i_addr3);
-					if (ni_wds) {
-						ieee80211_unref_node(&ni_wds);
-						IEEE80211_DISCARD(vap, IEEE80211_MSG_INPUT,
-							wh, NULL, "%s",
-							"multicast echo originated from node behind me");
-						vap->iv_stats.is_rx_mcastecho++;
-						goto out;
-					}
-				}
+			} else {
+				/* Same BSSID, but not meant for us to receive */
+				if (!IEEE80211_ADDR_EQ(wh->i_addr1, vap->iv_myaddr))
+					goto out;
 			}
 			break;
 		case IEEE80211_M_IBSS:
@@ -540,16 +548,32 @@ ieee80211_input(struct ieee80211vap * va
 				vap->iv_stats.is_rx_notassoc++;
 				goto err;
 			}
+
+			/* subif isn't fully set up yet, drop the frame */
+			if (ni->ni_subif == ni->ni_vap)
+				goto err;
+
 			/*
 			 * If we're a 4 address packet, make sure we have an entry in
 			 * the node table for the packet source address (addr4).
 			 * If not, add one.
 			 */
+			/* check for wds link first */
+			if ((dir == IEEE80211_FC1_DIR_DSTODS) && !ni->ni_subif) {
+				if (vap->iv_flags_ext & IEEE80211_FEXT_WDSSEP) {
+					ieee80211_wds_addif(ni);
+					/* we must drop frames here until the interface has
+					 * been fully separated, otherwise a bridge might get
+					 * confused */
+					goto err;
+				}
+			}
+
 			/* XXX: Useless node mgmt API; make better */
-			if (dir == IEEE80211_FC1_DIR_DSTODS) {
-				struct ieee80211_node_table *nt;
+			if ((dir == IEEE80211_FC1_DIR_DSTODS) && !vap->iv_wdsnode &&
+					!ni_wds && !ni->ni_subif) {
+				struct ieee80211_node_table *nt = &ic->ic_sta;
 				struct ieee80211_frame_addr4 *wh4;
-				struct ieee80211_node *ni_wds;
 
 				if (!(vap->iv_flags_ext & IEEE80211_FEXT_WDS)) {
 					IEEE80211_DISCARD(vap, IEEE80211_MSG_INPUT,
@@ -557,7 +581,6 @@ ieee80211_input(struct ieee80211vap * va
 					goto err;
 				}
 				wh4 = (struct ieee80211_frame_addr4 *)skb->data;
-				nt = &ic->ic_sta;
 				ni_wds = ieee80211_find_wds_node(nt, wh4->i_addr4);
 				/* Last call increments ref count if !NULL */
 				if ((ni_wds != NULL) && (ni_wds != ni)) {
@@ -608,6 +631,11 @@ ieee80211_input(struct ieee80211vap * va
 			goto out;
 		}
 
+		/* check if there is any data left */
+		hdrspace = ieee80211_hdrspace(ic, wh);
+		if (skb->len < hdrspace)
+			goto out;
+
 		/*
 		 * Handle privacy requirements.  Note that we
 		 * must not be preempted from here until after
@@ -680,8 +708,12 @@ ieee80211_input(struct ieee80211vap * va
 		if (! accept_data_frame(vap, ni, key, skb, eh))
 			goto out;
 
-		vap->iv_devstats.rx_packets++;
-		vap->iv_devstats.rx_bytes += skb->len;
+		if (ni->ni_subif && ((eh)->ether_type != __constant_htons(ETHERTYPE_PAE)))
+			stats = &ni->ni_subif->iv_devstats;
+		else
+			stats = &vap->iv_devstats;
+		stats->rx_packets++;
+		stats->rx_bytes += skb->len;
 		IEEE80211_NODE_STAT(ni, rx_data);
 		IEEE80211_NODE_STAT_ADD(ni, rx_bytes, skb->len);
 		ic->ic_lastdata = jiffies;
@@ -1114,6 +1146,13 @@ ieee80211_deliver_data(struct ieee80211_
 		dev = vap->iv_xrvap->iv_dev;
 #endif
 
+	/* if the node has a wds subif, move data frames there,
+	 * but keep EAP traffic on the master */
+	if (ni->ni_subif && ((eh)->ether_type != __constant_htons(ETHERTYPE_PAE))) {
+		vap = ni->ni_subif;
+		dev = vap->iv_dev;
+	}
+
 	/* perform as a bridge within the vap */
 	/* XXX intra-vap bridging only */
 	if (vap->iv_opmode == IEEE80211_M_HOSTAP &&
@@ -1139,7 +1178,16 @@ ieee80211_deliver_data(struct ieee80211_
 			if (ni1 != NULL) {
 				if (ni1->ni_vap == vap &&
 				    ieee80211_node_is_authorized(ni1) &&
+					!ni1->ni_subif &&
 				    ni1 != vap->iv_bss) {
+
+					/* tried to bridge to a subif, drop the packet */
+					if (ni->ni_subif) {
+						ieee80211_unref_node(&ni1);
+						ieee80211_dev_kfree_skb(&skb);
+						return;
+					}
+
 					skb1 = skb;
 					skb = NULL;
 				}
@@ -3084,8 +3132,7 @@ ieee80211_recv_mgmt(struct ieee80211vap 
 		    (vap->iv_opmode == IEEE80211_M_STA && ni->ni_associd) ||
 		    (vap->iv_opmode == IEEE80211_M_IBSS) ||
 			((subtype == IEEE80211_FC0_SUBTYPE_BEACON) &&
-			 (vap->iv_opmode == IEEE80211_M_HOSTAP) &&
-			 (ic->ic_protmode != IEEE80211_PROT_NONE)))) {
+			 (vap->iv_opmode == IEEE80211_M_HOSTAP)))) {
 			vap->iv_stats.is_rx_mgtdiscard++;
 			return;
 		}
@@ -3471,13 +3518,54 @@ ieee80211_recv_mgmt(struct ieee80211vap 
 		 */
 		if (ic->ic_flags & IEEE80211_F_SCAN) {
 			ieee80211_add_scan(vap, &scan, wh, subtype, rssi, rtsf);
-			return;
 		}
-		if ((vap->iv_opmode == IEEE80211_M_IBSS) && 
-				(scan.capinfo & IEEE80211_CAPINFO_IBSS)) {
+		/* NB: Behavior of WDS-Link and Ad-Hoc is very similar here:
+		 * When we receive a beacon that belongs to the AP that we're
+		 * connected to, use it to refresh the local node info.
+		 * If no node is found, go through the vap's wds link table
+		 * and try to find the sub-vap that is interested in this address
+		 */
+		if (((vap->iv_opmode == IEEE80211_M_IBSS) &&
+				(scan.capinfo & IEEE80211_CAPINFO_IBSS)) ||
+				(((vap->iv_opmode == IEEE80211_M_HOSTAP) ||
+				 (vap->iv_opmode == IEEE80211_M_WDS)) &&
+				(scan.capinfo & IEEE80211_CAPINFO_ESS))) {
+			struct ieee80211vap *avp = NULL;
+
+			IEEE80211_LOCK_IRQ(vap->iv_ic);
+			if (vap->iv_opmode == IEEE80211_M_HOSTAP) {
+				int found = 0;
+
+				TAILQ_FOREACH(avp, &vap->iv_wdslinks, iv_wdsnext) {
+					if (!memcmp(avp->wds_mac, wh->i_addr2, IEEE80211_ADDR_LEN)) {
+						if (avp->iv_state != IEEE80211_S_RUN)
+							continue;
+						found = 1;
+						break;
+					}
+				}
+				if (!found)
+					break;
+
+				ni = ni_or_null = avp->iv_wdsnode;
+			} else if (vap->iv_opmode == IEEE80211_M_WDS) {
+				ni = ni_or_null = vap->iv_wdsnode;
+			}
+			IEEE80211_UNLOCK_IRQ(vap->iv_ic);
+
+
 			if (ni_or_null == NULL) {
-				/* Create a new entry in the neighbor table. */
-				ni = ieee80211_add_neighbor(vap, wh, &scan);
+				if (avp) {
+					IEEE80211_LOCK_IRQ(ic);
+					ni = ieee80211_add_neighbor(avp, wh, &scan);
+					/* force assoc */
+					ni->ni_associd |= 0xc000;
+					avp->iv_wdsnode = ieee80211_ref_node(ni);
+					IEEE80211_UNLOCK_IRQ(ic);
+				} else if (vap->iv_opmode == IEEE80211_M_IBSS) {
+					/* Create a new entry in the neighbor table. */
+					ni = ieee80211_add_neighbor(vap, wh, &scan);
+				}
 			} else {
 				/*
 				 * Copy data from beacon to neighbor table.
@@ -3490,6 +3578,7 @@ ieee80211_recv_mgmt(struct ieee80211vap 
 				IEEE80211_ADDR_COPY(ni->ni_bssid, wh->i_addr3);
 				memcpy(ni->ni_tstamp.data, scan.tstamp,
 					sizeof(ni->ni_tstamp));
+				ni->ni_inact = ni->ni_inact_reload;
 				ni->ni_intval = 
 					IEEE80211_BINTVAL_SANITISE(scan.bintval);
 				ni->ni_capinfo = scan.capinfo;
--- a/net80211/ieee80211_node.c
+++ b/net80211/ieee80211_node.c
@@ -47,6 +47,7 @@
 #include <linux/netdevice.h>
 #include <linux/etherdevice.h>
 #include <linux/random.h>
+#include <linux/rtnetlink.h>
 
 #include "if_media.h"
 
@@ -236,7 +237,11 @@ void
 ieee80211_node_vdetach(struct ieee80211vap *vap)
 {
 	struct ieee80211com *ic = vap->iv_ic;
+	struct ieee80211_node *ni;
 
+	ni = vap->iv_wdsnode;
+	if (ni)
+		ni->ni_subif = NULL;
 	ieee80211_node_table_reset(&ic->ic_sta, vap);
 	if (vap->iv_bss != NULL) {
 		ieee80211_unref_node(&vap->iv_bss);
@@ -831,12 +836,18 @@ node_table_leave_locked(struct ieee80211
 		LIST_REMOVE(ni, ni_hash);
 	}
 	ni->ni_table = NULL;
+	if (ni->ni_vap->iv_wdsnode == ni) {
+#ifdef IEEE80211_DEBUG_REFCNT
+		ieee80211_unref_node_debug(&ni->ni_vap->iv_wdsnode, func, line);
+#else
+		ieee80211_unref_node(&ni->ni_vap->iv_wdsnode);
+#endif
+	}
 #ifdef IEEE80211_DEBUG_REFCNT
 	ieee80211_unref_node_debug(&ni, func, line);
 #else
 	ieee80211_unref_node(&ni);
 #endif
-	
 }
 
 /* This is overridden by ath_node_alloc in ath/if_ath.c, and so
@@ -1134,6 +1145,62 @@ ieee80211_alloc_node(struct ieee80211vap
 	return ni;
 }
 
+#define WDSIFNAME ".sta%d"
+static void
+ieee80211_wds_do_addif(struct work_struct *work)
+{
+	struct ieee80211_node *ni = container_of(work, struct ieee80211_node, ni_create);
+	struct ieee80211vap *vap = ni->ni_vap;
+	struct ieee80211com *ic = vap->iv_ic;
+	struct ieee80211vap *avp = NULL;
+	char *name;
+
+	rtnl_lock();
+	/* did we get cancelled by the destroy call? */
+	if (!ni->ni_subif)
+		goto done;
+
+	ni->ni_subif = NULL;
+	name = kmalloc(strlen(vap->iv_dev->name) + sizeof(WDSIFNAME) + 1, GFP_KERNEL);
+	if (!name)
+		goto done;
+
+	strcpy(name, vap->iv_dev->name);
+	strcat(name, WDSIFNAME);
+	avp = ieee80211_create_vap(ic, name, ic->ic_dev, IEEE80211_M_WDS, 0, vap);
+	kfree(name);
+	if (!avp)
+		goto done;
+
+	memcpy(avp->wds_mac, ni->ni_bssid, IEEE80211_ADDR_LEN);
+	avp->iv_wdsnode = ieee80211_ref_node(ni);
+	ni->ni_subif = avp;
+	ic->ic_subifs++;
+
+done:
+	if (avp) {
+		IEEE80211_VAPS_LOCK_IRQ(ic);
+		avp->iv_newstate(vap, IEEE80211_S_RUN, -1);
+		IEEE80211_VAPS_UNLOCK_IRQ(ic);
+	}
+	rtnl_unlock();
+	ieee80211_unref_node(&ni);
+}
+#undef WDSIFNAME
+
+void ieee80211_wds_addif(struct ieee80211_node *ni)
+{
+	/* check if the node is split out already,
+	 * or if we're in progress of setting up a new interface already */
+	if (ni->ni_subif)
+		return;
+
+	ieee80211_ref_node(ni);
+	ni->ni_subif = ni->ni_vap;
+	IEEE80211_INIT_WORK(&ni->ni_create, ieee80211_wds_do_addif);
+	schedule_work(&ni->ni_create);
+}
+
 /* Add wds address to the node table */
 int
 #ifdef IEEE80211_DEBUG_REFCNT
@@ -1553,22 +1620,39 @@ ieee80211_find_rxnode(struct ieee80211co
 	((wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK) == IEEE80211_FC0_SUBTYPE_PS_POLL)
 	struct ieee80211_node_table *nt;
 	struct ieee80211_node *ni;
+	struct ieee80211vap *vap, *avp;
+	const u_int8_t *addr;
+
+	if (IS_CTL(wh) && !IS_PSPOLL(wh) /*&& !IS_RTS(ah)*/)
+		addr = wh->i_addr1;
+	else
+		addr = wh->i_addr2;
+
+	if (IEEE80211_IS_MULTICAST(addr))
+		return NULL;
 
 	/* XXX check ic_bss first in station mode */
 	/* XXX 4-address frames? */
 	nt = &ic->ic_sta;
 	IEEE80211_NODE_TABLE_LOCK_IRQ(nt);
-	if (IS_CTL(wh) && !IS_PSPOLL(wh) /*&& !IS_RTS(ah)*/)
-#ifdef IEEE80211_DEBUG_REFCNT
-		ni = ieee80211_find_node_locked_debug(nt, wh->i_addr1, func, line);
-#else
-		ni = ieee80211_find_node_locked(nt, wh->i_addr1);
-#endif
-	else
+	if ((wh->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS) {
+		TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) {
+			TAILQ_FOREACH(avp, &vap->iv_wdslinks, iv_wdsnext) {
+				if (!IEEE80211_ADDR_EQ(addr, avp->wds_mac))
+					continue;
+
+				if (avp->iv_wdsnode)
+					return ieee80211_ref_node(avp->iv_wdsnode);
+				else
+					return NULL;
+			}
+		}
+	}
+
 #ifdef IEEE80211_DEBUG_REFCNT
-		ni = ieee80211_find_node_locked_debug(nt, wh->i_addr2, func, line);
+	ni = ieee80211_find_node_locked_debug(nt, addr, func, line);
 #else
-		ni = ieee80211_find_node_locked(nt, wh->i_addr2);
+	ni = ieee80211_find_node_locked(nt, addr);
 #endif
 	IEEE80211_NODE_TABLE_UNLOCK_IRQ(nt);
 
@@ -1596,9 +1680,19 @@ ieee80211_find_txnode_debug(struct ieee8
 ieee80211_find_txnode(struct ieee80211vap *vap, const u_int8_t *mac)
 #endif
 {
+	struct ieee80211com *ic = vap->iv_ic;
 	struct ieee80211_node_table *nt;
 	struct ieee80211_node *ni = NULL;
 
+	IEEE80211_LOCK_IRQ(ic);
+	if (vap->iv_opmode == IEEE80211_M_WDS) {
+		if (vap->iv_wdsnode && (vap->iv_state == IEEE80211_S_RUN))
+			return ieee80211_ref_node(vap->iv_wdsnode);
+		else
+			return NULL;
+	}
+	IEEE80211_UNLOCK_IRQ(ic);
+
 	/*
 	 * The destination address should be in the node table
 	 * unless we are operating in station mode or this is a
@@ -1669,6 +1763,11 @@ ieee80211_free_node(struct ieee80211_nod
 {
 	struct ieee80211vap *vap = ni->ni_vap;
 
+	IEEE80211_LOCK_IRQ(ni->ni_ic);
+	if (vap && ni == vap->iv_wdsnode)
+		vap->iv_wdsnode = NULL;
+	IEEE80211_UNLOCK_IRQ(ni->ni_ic);
+
 	atomic_dec(&ni->ni_ic->ic_node_counter);
 	node_print_message(IEEE80211_MSG_NODE|IEEE80211_MSG_NODE_REF,
 			   1 /* show counter */, 
@@ -1781,22 +1880,6 @@ restart:
 		    jiffies > ni->ni_rxfragstamp + HZ) {
 			ieee80211_dev_kfree_skb(&ni->ni_rxfrag);
 		}
-		/*
-		 * Special case ourself; we may be idle for extended periods
-		 * of time and regardless reclaiming our state is wrong.
-		 * Special case a WDS link: it may be dead or idle, but it is 
-		 * never ok to reclaim it, as this will block transmissions
-		 * and nobody will recreate the node when the WDS peer is
-		 * available again. */
-		if ((ni == ni->ni_vap->iv_bss) ||
-		    (ni->ni_vap->iv_opmode == IEEE80211_M_WDS && 
-		     !memcmp(ni->ni_macaddr, ni->ni_vap->wds_mac, ETH_ALEN)))
-		{
-			/* NB: don't permit it to go negative */
-			if (ni->ni_inact > 0)
-				ni->ni_inact--;
-			continue;
-		}
 		ni->ni_inact--;
 		if (ni->ni_associd != 0 || isadhoc) {
 			struct ieee80211vap *vap = ni->ni_vap;
@@ -2263,6 +2346,36 @@ ieee80211_node_leave_11g(struct ieee8021
 	}
 }
 
+static void
+ieee80211_subif_destroy(struct work_struct *work)
+{
+	struct ieee80211_node *ni = container_of(work, struct ieee80211_node, ni_destroy);
+	struct ieee80211vap *vap;
+	struct ieee80211com *ic;
+
+	rtnl_lock();
+	vap = ni->ni_subif;
+
+	/* if addif is waiting for the timer to fire, cancel! */
+	if (vap == ni->ni_vap) {
+		ni->ni_subif = NULL;
+		goto done;
+	}
+
+	if (!vap)
+		goto done;
+
+	ic = vap->iv_ic;
+	ni->ni_subif = NULL;
+	ieee80211_stop(vap->iv_dev);
+	ic->ic_vap_delete(vap);
+	ic->ic_subifs--;
+
+done:
+	ieee80211_unref_node(&ni);
+	rtnl_unlock();
+}
+
 /*
  * Handle bookkeeping for a station/neighbor leaving
  * the bss when operating in ap or adhoc modes.
@@ -2279,6 +2392,12 @@ ieee80211_node_leave(struct ieee80211_no
 			ni, "station with aid %d leaves (refcnt %u)",
 			IEEE80211_NODE_AID(ni), atomic_read(&ni->ni_refcnt));
 
+	if (ni->ni_subif) {
+		ieee80211_ref_node(ni);
+		IEEE80211_INIT_WORK(&ni->ni_destroy, ieee80211_subif_destroy);
+		schedule_work(&ni->ni_destroy);
+	}
+
 	/* From this point onwards we can no longer find the node,
 	 * so no more references are generated
 	 */
--- a/net80211/ieee80211_output.c
+++ b/net80211/ieee80211_output.c
@@ -246,15 +246,16 @@ ieee80211_hardstart(struct sk_buff *skb,
 	 * things like power save.
 	 */
 	eh = (struct ether_header *)skb->data;
-	if (vap->iv_opmode == IEEE80211_M_WDS)
-		ni = ieee80211_find_txnode(vap, vap->wds_mac);
-	else
-		ni = ieee80211_find_txnode(vap, eh->ether_dhost);
+	ni = ieee80211_find_txnode(vap, eh->ether_dhost);
 	if (ni == NULL) {
 		/* NB: ieee80211_find_txnode does stat+msg */
 		goto bad;
 	}
 
+	if (ni->ni_subif && (vap != ni->ni_subif) &&
+		((eh)->ether_type != __constant_htons(ETHERTYPE_PAE)))
+		goto bad;
+
 	/* calculate priority so drivers can find the TX queue */
 	if (ieee80211_classify(ni, skb)) {
 		IEEE80211_NOTE(vap, IEEE80211_MSG_OUTPUT, ni,
@@ -334,20 +335,33 @@ void ieee80211_parent_queue_xmit(struct 
  * constructing a frame as it sets i_fc[1]; other bits can
  * then be or'd in.
  */
-static void
+static struct ieee80211_frame *
 ieee80211_send_setup(struct ieee80211vap *vap,
 	struct ieee80211_node *ni,
-	struct ieee80211_frame *wh,
+	struct sk_buff *skb,
 	int type,
 	const u_int8_t sa[IEEE80211_ADDR_LEN],
 	const u_int8_t da[IEEE80211_ADDR_LEN],
 	const u_int8_t bssid[IEEE80211_ADDR_LEN])
 {
 #define	WH4(wh)	((struct ieee80211_frame_addr4 *)wh)
+	struct ieee80211_frame *wh;
+	int len = sizeof(struct ieee80211_frame);
+	int opmode = vap->iv_opmode;
 
+	if ((type & IEEE80211_FC0_TYPE_MASK) == IEEE80211_FC0_TYPE_DATA) {
+		if ((opmode == IEEE80211_M_STA) &&
+			(vap->iv_flags_ext & IEEE80211_FEXT_WDS))
+			opmode = IEEE80211_M_WDS;
+
+		if (opmode == IEEE80211_M_WDS)
+			len = sizeof(struct ieee80211_frame_addr4);
+	}
+
+	wh = (struct ieee80211_frame *)skb_push(skb, len);
 	wh->i_fc[0] = IEEE80211_FC0_VERSION_0 | type;
 	if ((type & IEEE80211_FC0_TYPE_MASK) == IEEE80211_FC0_TYPE_DATA) {
-		switch (vap->iv_opmode) {
+		switch (opmode) {
 		case IEEE80211_M_STA:
 			wh->i_fc[1] = IEEE80211_FC1_DIR_TODS;
 			IEEE80211_ADDR_COPY(wh->i_addr1, bssid);
@@ -389,6 +403,8 @@ ieee80211_send_setup(struct ieee80211vap
 	*(__le16 *)&wh->i_seq[0] =
 	    htole16(ni->ni_txseqs[0] << IEEE80211_SEQ_SEQ_SHIFT);
 	ni->ni_txseqs[0]++;
+
+	return wh;
 #undef WH4
 }
 
@@ -410,9 +426,7 @@ ieee80211_mgmt_output(struct ieee80211_n
 
 	SKB_CB(skb)->ni = ni;
 
-	wh = (struct ieee80211_frame *)
-		skb_push(skb, sizeof(struct ieee80211_frame));
-	ieee80211_send_setup(vap, ni, wh,
+	wh = ieee80211_send_setup(vap, ni, skb,
 		IEEE80211_FC0_TYPE_MGT | type,
 		vap->iv_myaddr, ni->ni_macaddr, vap->iv_bssid);
 	/* XXX power management */
@@ -458,6 +472,9 @@ ieee80211_send_nulldata(struct ieee80211
 	struct ieee80211_frame *wh;
 	u_int8_t *frm;
 
+	if (ni->ni_subif)
+		vap = ni->ni_subif;
+
 	skb = ieee80211_getmgtframe(&frm, 0);
 	if (skb == NULL) {
 		/* XXX debug msg */
@@ -466,9 +483,7 @@ ieee80211_send_nulldata(struct ieee80211
 		return -ENOMEM;
 	}
 
-	wh = (struct ieee80211_frame *)
-		skb_push(skb, sizeof(struct ieee80211_frame));
-	ieee80211_send_setup(vap, ni, wh,
+	wh = ieee80211_send_setup(vap, ni, skb,
 		IEEE80211_FC0_TYPE_DATA | IEEE80211_FC0_SUBTYPE_NODATA,
 		vap->iv_myaddr, ni->ni_macaddr, vap->iv_bssid);
 	/* NB: power management bit is never sent by an AP */
@@ -506,6 +521,7 @@ ieee80211_send_qosnulldata(struct ieee80
 	struct sk_buff *skb;
 	struct ieee80211_qosframe *qwh;
 	u_int8_t *frm;
+	u_int8_t *i_qos;
 	int tid;
 
 	skb = ieee80211_getmgtframe(&frm, 2);
@@ -517,11 +533,12 @@ ieee80211_send_qosnulldata(struct ieee80
 	SKB_CB(skb)->ni = ieee80211_ref_node(ni);
 
 	skb->priority = ac;
-	qwh = (struct ieee80211_qosframe *)skb_push(skb, sizeof(struct ieee80211_qosframe));
 
-	qwh = (struct ieee80211_qosframe *)skb->data;
+	/* grab a pointer to QoS control and also compensate for the header length
+	 * difference between QoS and non-QoS frame */
+	i_qos = skb_push(skb, sizeof(struct ieee80211_qosframe) - sizeof(struct ieee80211_frame));
 
-	ieee80211_send_setup(vap, ni, (struct ieee80211_frame *)qwh,
+	qwh = (struct ieee80211_qosframe *) ieee80211_send_setup(vap, ni, skb,
 		IEEE80211_FC0_TYPE_DATA,
 		vap->iv_myaddr, /* SA */
 		ni->ni_macaddr, /* DA */
@@ -535,10 +552,10 @@ ieee80211_send_qosnulldata(struct ieee80
 
 	/* map from access class/queue to 11e header priority value */
 	tid = WME_AC_TO_TID(ac);
-	qwh->i_qos[0] = tid & IEEE80211_QOS_TID;
+	i_qos[0] = tid & IEEE80211_QOS_TID;
 	if (ic->ic_wme.wme_wmeChanParams.cap_wmeParams[ac].wmep_noackPolicy)
 		qwh->i_qos[0] |= (1 << IEEE80211_QOS_ACKPOLICY_S) & IEEE80211_QOS_ACKPOLICY;
-	qwh->i_qos[1] = 0;
+	i_qos[1] = 0;
 
 	IEEE80211_NODE_STAT(ni, tx_data);
 
@@ -780,6 +797,8 @@ ieee80211_encap(struct ieee80211_node *n
 		hdrsize = sizeof(struct ieee80211_frame);
 
 	SKB_CB(skb)->auth_pkt = (eh.ether_type == __constant_htons(ETHERTYPE_PAE));
+	if (ni->ni_subif)
+		vap = ni->ni_subif;
 
 	switch (vap->iv_opmode) {
 	case IEEE80211_M_IBSS:
@@ -788,7 +807,7 @@ ieee80211_encap(struct ieee80211_node *n
 		break;
 	case IEEE80211_M_WDS:
 		use4addr = 1;
-		ismulticast = IEEE80211_IS_MULTICAST(ni->ni_macaddr);
+		ismulticast = 0;
 		break;
 	case IEEE80211_M_HOSTAP:
 		if (!IEEE80211_IS_MULTICAST(eh.ether_dhost) &&
@@ -799,20 +818,9 @@ ieee80211_encap(struct ieee80211_node *n
 			ismulticast = IEEE80211_IS_MULTICAST(eh.ether_dhost);
 		break;
 	case IEEE80211_M_STA:
-		if ((vap->iv_flags_ext & IEEE80211_FEXT_WDS) &&
-		    !IEEE80211_ADDR_EQ(eh.ether_shost, vap->iv_myaddr)) {
+		if (vap->iv_flags_ext & IEEE80211_FEXT_WDS) {
 			use4addr = 1;
-			ismulticast = IEEE80211_IS_MULTICAST(ni->ni_macaddr);
-			/* Add a WDS entry to the station VAP */
-			if (IEEE80211_IS_MULTICAST(eh.ether_dhost)) {
-				struct ieee80211_node_table *nt = &ic->ic_sta;
-				struct ieee80211_node *ni_wds 
-					= ieee80211_find_wds_node(nt, eh.ether_shost);
-				if (ni_wds)
-					ieee80211_unref_node(&ni_wds);
-				else
-					ieee80211_add_wds_addr(nt, ni, eh.ether_shost, 0);
-			}
+			ismulticast = 0;
 		} else
 			ismulticast = IEEE80211_IS_MULTICAST(vap->iv_bssid);
 		break;
@@ -973,7 +981,7 @@ ieee80211_encap(struct ieee80211_node *n
 			break;
 		case IEEE80211_M_WDS:
 			wh->i_fc[1] = IEEE80211_FC1_DIR_DSTODS;
-			IEEE80211_ADDR_COPY(wh->i_addr1, ni->ni_macaddr);
+			IEEE80211_ADDR_COPY(wh->i_addr1, vap->wds_mac);
 			IEEE80211_ADDR_COPY(wh->i_addr2, vap->iv_myaddr);
 			IEEE80211_ADDR_COPY(wh->i_addr3, eh.ether_dhost);
 			IEEE80211_ADDR_COPY(WH4(wh)->i_addr4, eh.ether_shost);
@@ -1683,9 +1691,7 @@ ieee80211_send_probereq(struct ieee80211
 
 	SKB_CB(skb)->ni = ieee80211_ref_node(ni);
 
-	wh = (struct ieee80211_frame *)
-		skb_push(skb, sizeof(struct ieee80211_frame));
-	ieee80211_send_setup(vap, ni, wh,
+	wh = ieee80211_send_setup(vap, ni, skb,
 		IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_REQ,
 		sa, da, bssid);
 	/* XXX power management? */
--- a/tools/athkey.c
+++ b/tools/athkey.c
@@ -118,7 +118,7 @@ set80211priv(const char *dev, int op, vo
 				IOCTL_ERR(IEEE80211_IOCTL_ADDMAC),
 				IOCTL_ERR(IEEE80211_IOCTL_DELMAC),
 				IOCTL_ERR(IEEE80211_IOCTL_WDSADDMAC),
-				IOCTL_ERR(IEEE80211_IOCTL_WDSDELMAC),
+				IOCTL_ERR(IEEE80211_IOCTL_WDSSETMAC),
 				IOCTL_ERR(IEEE80211_IOCTL_READREG),
 				IOCTL_ERR(IEEE80211_IOCTL_WRITEREG),
 			};
--- a/tools/athchans.c
+++ b/tools/athchans.c
@@ -118,7 +118,7 @@ set80211priv(const char *dev, int op, vo
 				IOCTL_ERR(IEEE80211_IOCTL_ADDMAC),
 				IOCTL_ERR(IEEE80211_IOCTL_DELMAC),
 				IOCTL_ERR(IEEE80211_IOCTL_WDSADDMAC),
-				IOCTL_ERR(IEEE80211_IOCTL_WDSDELMAC),
+				IOCTL_ERR(IEEE80211_IOCTL_WDSSETMAC),
 				IOCTL_ERR(IEEE80211_IOCTL_READREG),
 				IOCTL_ERR(IEEE80211_IOCTL_WRITEREG),
 			};
--- a/tools/wlanconfig.c
+++ b/tools/wlanconfig.c
@@ -968,7 +968,7 @@ do80211priv(struct iwreq *iwr, const cha
 			IOCTL_ERR(IEEE80211_IOCTL_ADDMAC),
 			IOCTL_ERR(IEEE80211_IOCTL_DELMAC),
 			IOCTL_ERR(IEEE80211_IOCTL_WDSADDMAC),
-			IOCTL_ERR(IEEE80211_IOCTL_WDSDELMAC),
+			IOCTL_ERR(IEEE80211_IOCTL_WDSSETMAC),
 			IOCTL_ERR(IEEE80211_IOCTL_READREG),
 			IOCTL_ERR(IEEE80211_IOCTL_WRITEREG),
 		};
--- a/net80211/ieee80211_proto.c
+++ b/net80211/ieee80211_proto.c
@@ -1081,6 +1081,8 @@ ieee80211_init(struct net_device *dev, i
 int
 ieee80211_open(struct net_device *dev)
 {
+	struct ieee80211vap *vap = dev->priv;
+
 	return ieee80211_init(dev, 0);
 }
 
@@ -1090,7 +1092,7 @@ ieee80211_open(struct net_device *dev)
 void
 ieee80211_start_running(struct ieee80211com *ic)
 {
-	struct ieee80211vap *vap;
+	struct ieee80211vap *vap, *avp;
 	struct net_device *dev;
 
 	/* XXX locking */
@@ -1099,6 +1101,16 @@ ieee80211_start_running(struct ieee80211
 		/* NB: avoid recursion */
 		if ((dev->flags & IFF_UP) && !(dev->flags & IFF_RUNNING))
 			ieee80211_open(dev);
+
+		TAILQ_FOREACH(avp, &vap->iv_wdslinks, iv_wdsnext) {
+			if (avp->iv_wdsnode && avp->iv_wdsnode->ni_subif == avp)
+				continue;
+
+			dev = avp->iv_dev;
+			/* NB: avoid recursion */
+			if ((dev->flags & IFF_UP) && !(dev->flags & IFF_RUNNING))
+				ieee80211_open(dev);
+		}
 	}
 }
 EXPORT_SYMBOL(ieee80211_start_running);
@@ -1116,11 +1128,43 @@ ieee80211_stop(struct net_device *dev)
 	struct ieee80211vap *vap = dev->priv;
 	struct ieee80211com *ic = vap->iv_ic;
 	struct net_device *parent = ic->ic_dev;
+	struct ieee80211_node *tni, *ni;
+	struct ieee80211vap *avp;
 
 	IEEE80211_DPRINTF(vap,
 		IEEE80211_MSG_STATE | IEEE80211_MSG_DEBUG,
 		"%s\n", "stop running");
 
+	if (vap->iv_wdsnode && !vap->iv_wdsnode->ni_subif)
+		ieee80211_unref_node(&vap->iv_wdsnode);
+
+	/* stop wds interfaces */
+	TAILQ_FOREACH(avp, &vap->iv_wdslinks, iv_next) {
+		if (avp->iv_state != IEEE80211_S_INIT)
+			ieee80211_stop(avp->iv_dev);
+	}
+
+	/* get rid of all wds nodes while we're still locked */
+	do {
+		ni = NULL;
+
+		IEEE80211_NODE_TABLE_LOCK_IRQ(&ic->ic_sta);
+		TAILQ_FOREACH(tni, &ic->ic_sta.nt_node, ni_list) {
+			if (tni->ni_vap != vap)
+				continue;
+			if (!tni->ni_subif)
+				continue;
+			ni = tni;
+			break;
+		}
+		IEEE80211_NODE_TABLE_UNLOCK_IRQ(&ic->ic_sta);
+
+		if (!ni)
+			break;
+
+		ieee80211_node_leave(ni);
+	} while (1);
+
 	ieee80211_new_state(vap, IEEE80211_S_INIT, -1);
 	if (dev->flags & IFF_RUNNING) {
 		dev->flags &= ~IFF_RUNNING;		/* mark us stopped */
@@ -1148,7 +1192,7 @@ EXPORT_SYMBOL(ieee80211_stop);
 void
 ieee80211_stop_running(struct ieee80211com *ic)
 {
-	struct ieee80211vap *vap;
+	struct ieee80211vap *vap, *avp;
 	struct net_device *dev;
 
 	/* XXX locking */
@@ -1156,6 +1200,12 @@ ieee80211_stop_running(struct ieee80211c
 		dev = vap->iv_dev;
 		if (dev->flags & IFF_RUNNING)	/* NB: avoid recursion */
 			ieee80211_stop(dev);
+
+		TAILQ_FOREACH(avp, &vap->iv_wdslinks, iv_wdsnext) {
+			dev = avp->iv_dev;
+			if (dev->flags & IFF_RUNNING)	/* NB: avoid recursion */
+				ieee80211_stop(dev);
+		}
 	}
 }
 EXPORT_SYMBOL(ieee80211_stop_running);
@@ -1342,9 +1392,9 @@ ieee80211_new_state(struct ieee80211vap 
 	struct ieee80211com *ic = vap->iv_ic;
 	int rc;
 
-	IEEE80211_VAPS_LOCK_BH(ic);
+	IEEE80211_VAPS_LOCK_IRQ(ic);
 	rc = vap->iv_newstate(vap, nstate, arg);
-	IEEE80211_VAPS_UNLOCK_BH(ic);
+	IEEE80211_VAPS_UNLOCK_IRQ(ic);
 	return rc;
 }
 
@@ -1557,57 +1607,12 @@ __ieee80211_newstate(struct ieee80211vap
 		switch (ostate) {
 		case IEEE80211_S_INIT:
 			if (vap->iv_opmode == IEEE80211_M_MONITOR ||
-			    vap->iv_opmode == IEEE80211_M_WDS ||
 			    vap->iv_opmode == IEEE80211_M_HOSTAP) {
 				/*
 				 * Already have a channel; bypass the
 				 * scan and startup immediately.
 				 */
 				ieee80211_create_ibss(vap, ic->ic_curchan);
-
-				/* In WDS mode, allocate and initialize peer node. */
-				if (vap->iv_opmode == IEEE80211_M_WDS) {
-					/* XXX: This is horribly non-atomic. */
-					struct ieee80211_node *wds_ni =
-						ieee80211_find_node(&ic->ic_sta,
-								vap->wds_mac);
-
-					if (wds_ni == NULL) {
-						wds_ni = ieee80211_alloc_node_table(
-								vap,
-								vap->wds_mac);
-						if (wds_ni != NULL) {
-							ieee80211_add_wds_addr(
-									&ic->ic_sta,
-									wds_ni,
-									vap->wds_mac,
-									1);
-							ieee80211_ref_node(wds_ni); /* pin in memory */
-						}
-						else
-							IEEE80211_DPRINTF(
-									vap,
-									IEEE80211_MSG_NODE,
-									"%s: Unable to "
-									"allocate node for "
-									"WDS: " MAC_FMT "\n",
-									__func__,
-									MAC_ADDR(
-										vap->wds_mac)
-									);
-					}
-
-					if (wds_ni != NULL) {
-						ieee80211_node_authorize(wds_ni);
-						wds_ni->ni_chan =
-							vap->iv_bss->ni_chan;
-						wds_ni->ni_capinfo =
-							ni->ni_capinfo;
-						wds_ni->ni_associd = 1;
-						wds_ni->ni_ath_flags =
-							vap->iv_ath_cap;
-					}
-				}
 				break;
 			}
 			/* fall thru... */
@@ -1675,6 +1680,7 @@ __ieee80211_newstate(struct ieee80211vap
 		 */
 		if (ni->ni_authmode != IEEE80211_AUTH_8021X)
 			ieee80211_node_authorize(ni);
+
 #ifdef ATH_SUPERG_XR
 		/*
 		 * fire a timer to bring up XR vap if configured.
@@ -1808,6 +1814,11 @@ ieee80211_newstate(struct ieee80211vap *
 			  ieee80211_state_name[dstate]);
 
 	ieee80211_update_link_status(vap, nstate, ostate);
+
+	if ((nstate != IEEE80211_S_RUN) && vap->iv_wdsnode &&
+			!vap->iv_wdsnode->ni_subif)
+		ieee80211_unref_node(&vap->iv_wdsnode);
+
 	switch (nstate) {
 	case IEEE80211_S_AUTH:
 	case IEEE80211_S_ASSOC:
@@ -1930,8 +1941,15 @@ ieee80211_newstate(struct ieee80211vap *
 		if (ostate == IEEE80211_S_SCAN || 
 		    ostate == IEEE80211_S_AUTH ||
 		    ostate == IEEE80211_S_ASSOC) {
+
 			/* Transition (S_SCAN|S_AUTH|S_ASSOC) -> S_RUN */
 			__ieee80211_newstate(vap, nstate, arg);
+
+			/* if we're in wds, let the ap know that we're doing this */
+			if ((vap->iv_opmode == IEEE80211_M_STA) &&
+				(vap->iv_flags_ext & IEEE80211_FEXT_WDS))
+					ieee80211_send_nulldata(ieee80211_ref_node(vap->iv_bss));
+
 			/* Then bring up all other vaps pending on the scan */
 			dstate = get_dominant_state(ic);
 			if (dstate == IEEE80211_S_RUN) {
--- a/ath/if_athvar.h
+++ b/ath/if_athvar.h
@@ -79,28 +79,6 @@ typedef void *TQUEUE_ARG;
 #define	tasklet_enable(t)	do { (void) t; local_bh_enable(); } while (0)
 #endif /* !DECLARE_TASKLET */
 
-#include <linux/sched.h>
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,41)
-#include <linux/tqueue.h>
-#define work_struct			tq_struct
-#define schedule_work(t)		schedule_task((t))
-#define flush_scheduled_work()		flush_scheduled_tasks()
-#define ATH_INIT_WORK(t, f) do { 			\
-	memset((t), 0, sizeof(struct tq_struct)); \
-	(t)->routine = (void (*)(void*)) (f); 	\
-	(t)->data=(void *) (t);			\
-} while (0)
-#else
-#include <linux/workqueue.h>
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)
-#define ATH_INIT_WORK(_t, _f)	INIT_WORK((_t), (void (*)(void *))(_f), (_t));
-#else
-#define ATH_INIT_WORK(_t, _f)	INIT_WORK((_t), (_f));
-#endif
-
-#endif /* KERNEL_VERSION < 2.5.41 */
-
 /*
  * Guess how the interrupt handler should work.
  */
--- a/net80211/ieee80211_linux.c
+++ b/net80211/ieee80211_linux.c
@@ -145,7 +145,7 @@ ieee80211_getmgtframe(u_int8_t **frm, u_
 	struct sk_buff *skb;
 	u_int len;
 
-	len = roundup(sizeof(struct ieee80211_frame) + pktlen, 4);
+	len = roundup(sizeof(struct ieee80211_frame_addr4) + pktlen, 4);
 #ifdef IEEE80211_DEBUG_REFCNT
 	skb = ieee80211_dev_alloc_skb_debug(len + align - 1, func, line);
 #else
@@ -161,7 +161,7 @@ ieee80211_getmgtframe(u_int8_t **frm, u_
 		SKB_CB(skb)->flags = 0;
 		SKB_CB(skb)->next = NULL;
 
-		skb_reserve(skb, sizeof(struct ieee80211_frame));
+		skb_reserve(skb, sizeof(struct ieee80211_frame_addr4));
 		*frm = skb_put(skb, pktlen);
 	}
 	return skb;
--- a/net80211/ieee80211_node.h
+++ b/net80211/ieee80211_node.h
@@ -92,11 +92,13 @@ struct ath_softc;
  * the ieee80211com structure.
  */
 struct ieee80211_node {
-	struct ieee80211vap *ni_vap;
+	struct ieee80211vap *ni_vap, *ni_subif;
 	struct ieee80211com *ni_ic;
 	struct ieee80211_node_table *ni_table;
 	TAILQ_ENTRY(ieee80211_node) ni_list;
 	LIST_ENTRY(ieee80211_node) ni_hash;
+	struct work_struct ni_create;	/* task for creating a subif */
+	struct work_struct ni_destroy;	/* task for destroying a subif */
 	atomic_t ni_refcnt;
 	u_int ni_scangen;			/* gen# for timeout scan */
 	u_int8_t ni_authmode;			/* authentication algorithm */
@@ -430,5 +432,6 @@ void ieee80211_node_join(struct ieee8021
 void ieee80211_node_leave(struct ieee80211_node *);
 u_int8_t ieee80211_getrssi(struct ieee80211com *);
 int32_t ieee80211_get_node_count(struct ieee80211com *);
+void ieee80211_wds_addif(struct ieee80211_node *ni);
 #endif /* _NET80211_IEEE80211_NODE_H_ */