atheros: nuke 2.6.26 support, 2.6.28 is stable
[openwrt.git] / package / madwifi / patches / 370-wdsvap.patch
index 0e4b3a8..d689737 100644 (file)
@@ -1,6 +1,6 @@
 --- a/ath/if_ath.c
 +++ b/ath/if_ath.c
-@@ -124,7 +124,7 @@
+@@ -124,7 +124,7 @@ enum {
  };
  
  static struct ieee80211vap *ath_vap_create(struct ieee80211com *,
@@ -9,7 +9,7 @@
  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 @@
+@@ -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;
@@ -18,7 +18,7 @@
                else if (!strcmp(autocreate, "monitor"))
                        autocreatemode = IEEE80211_M_MONITOR;
                else {
-@@ -1137,7 +1135,7 @@
+@@ -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,
@@ -27,7 +27,7 @@
                rtnl_unlock();
                if (vap == NULL)
                        EPRINTF(sc, "Autocreation of %s VAP failed.", autocreate);
-@@ -1230,14 +1228,14 @@
+@@ -1230,14 +1228,14 @@ ath_detach(struct net_device *dev)
  
  static struct ieee80211vap *
  ath_vap_create(struct ieee80211com *ic, const char *name,
  
        if (ic->ic_dev->flags & IFF_RUNNING) {
                /* needs to disable hardware too */
-@@ -1271,8 +1269,12 @@
+@@ -1271,8 +1269,12 @@ ath_vap_create(struct ieee80211com *ic, 
                } else
                        ic_opmode = opmode;
                break;
 -      case IEEE80211_M_HOSTAP:
        case IEEE80211_M_WDS:
++              ic_opmode = ic->ic_opmode;
 +              if (!master)
 +                      return NULL;
-+              ic_opmode = ic->ic_opmode;
 +              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 +1306,7 @@
+@@ -1304,7 +1306,7 @@ ath_vap_create(struct ieee80211com *ic, 
        }
  
        avp = dev->priv;
@@ -67,7 +67,7 @@
        /* override with driver methods */
        vap = &avp->av_vap;
        avp->av_newstate = vap->iv_newstate;
-@@ -4209,8 +4211,7 @@
+@@ -4209,8 +4211,7 @@ 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 ||
@@ -77,7 +77,7 @@
                rfilt |= HAL_RX_FILTER_BEACON;
        if (sc->sc_nmonvaps > 0)
                rfilt |= (HAL_RX_FILTER_CONTROL | HAL_RX_FILTER_BEACON |
-@@ -9030,8 +9031,6 @@
+@@ -9032,8 +9033,6 @@ ath_calibrate(unsigned long arg)
                 * set sc->beacons if we might need to restart
                   * them after ath_reset. */
                if (!sc->sc_beacons &&
                        sc->sc_beacons = 1;
 --- a/net80211/ieee80211.c
 +++ b/net80211/ieee80211.c
-@@ -396,7 +396,7 @@
+@@ -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,
  {
  #define       IEEE80211_C_OPMODE \
        (IEEE80211_C_IBSS | IEEE80211_C_HOSTAP | IEEE80211_C_AHDEMO | \
-@@ -510,9 +510,18 @@
+@@ -510,9 +525,18 @@ ieee80211_vap_setup(struct ieee80211com 
  
        vap->iv_monitor_crc_errors = 0;
        vap->iv_monitor_phy_errors = 0;
        /* NB: Defer setting dev_addr so driver can override */
  
        ieee80211_crypto_vattach(vap);
-@@ -547,7 +556,8 @@
+@@ -547,7 +571,8 @@ ieee80211_vap_attach(struct ieee80211vap
        ifmedia_set(&vap->iv_media, imr.ifm_active);
  
        IEEE80211_LOCK_IRQ(ic);
        IEEE80211_UNLOCK_IRQ(ic);
  
        IEEE80211_ADDR_COPY(dev->dev_addr, vap->iv_myaddr);
-@@ -579,10 +589,24 @@
+@@ -579,10 +604,27 @@ ieee80211_vap_detach(struct ieee80211vap
  {
        struct ieee80211com *ic = vap->iv_ic;
        struct net_device *dev = vap->iv_dev;
 +
 +      /* Drop all WDS links that belong to this vap */
 +      while ((avp = TAILQ_FIRST(&vap->iv_wdslinks)) != NULL) {
-+              ieee80211_stop(avp->iv_dev);
++              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)
++      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);
        IEEE80211_UNLOCK_IRQ(ic);
 --- a/net80211/ieee80211_ioctl.h
 +++ b/net80211/ieee80211_ioctl.h
-@@ -474,7 +474,7 @@
+@@ -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_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 @@
+@@ -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_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
-@@ -650,5 +650,5 @@
+@@ -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 *,
  #endif /* _NET80211_IEEE80211_LINUX_H_ */
 --- a/net80211/ieee80211_var.h
 +++ b/net80211/ieee80211_var.h
-@@ -187,6 +187,12 @@
+@@ -187,6 +187,12 @@ struct ieee80211vap {
        struct ieee80211_proc_entry *iv_proc_entries;
        struct vlan_group *iv_vlgrp;                    /* vlan group state */
  
        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 */
-@@ -447,7 +453,7 @@
+@@ -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 *,
        void (*ic_vap_delete)(struct ieee80211vap *);
  
        /* Send/recv 802.11 management frame */
-@@ -703,7 +709,7 @@
+@@ -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 *,
  void ieee80211_mark_dfs(struct ieee80211com *, struct ieee80211_channel *);
 --- a/net80211/ieee80211_wireless.c
 +++ b/net80211/ieee80211_wireless.c
-@@ -2190,7 +2190,7 @@
+@@ -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,
                                return;
  
                        /* We use iv_xrvap to link to the parent VAP as well */
-@@ -3801,74 +3801,51 @@
+@@ -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;
  }
  
 -      }
 -
 -      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);
  }
  
  /*
-@@ -5391,8 +5368,8 @@
+@@ -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_SETCHANLIST,
          IW_PRIV_TYPE_CHANLIST | IW_PRIV_SIZE_FIXED, 0,"setchanlist" },
        { IEEE80211_IOCTL_GETCHANLIST,
-@@ -5884,8 +5861,8 @@
+@@ -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_KICKMAC, ieee80211_ioctl_kickmac),
        set_priv(IEEE80211_IOCTL_SETSCANLIST, ieee80211_ioctl_setscanlist),
  #ifdef ATH_REVERSE_ENGINEERING
-@@ -5956,7 +5933,7 @@
+@@ -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));
  
        if (vap == NULL)
                return -EIO;
  
-@@ -5973,9 +5950,9 @@
+@@ -5973,9 +5986,9 @@ EXPORT_SYMBOL(ieee80211_ioctl_create_vap
   */
  struct ieee80211vap*
  ieee80211_create_vap(struct ieee80211com *ic, char *name,
  
 --- a/net80211/ieee80211_input.c
 +++ b/net80211/ieee80211_input.c
-@@ -201,6 +201,7 @@
+@@ -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 = 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;
-@@ -545,11 +546,29 @@
+@@ -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 +548,28 @@ ieee80211_input(struct ieee80211vap * va
+                               vap->iv_stats.is_rx_notassoc++;
+                               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.
                         */
--                      /* XXX: Useless node mgmt API; make better */
-+
 +                      /* check for wds link first */
-                       if (dir == IEEE80211_FC1_DIR_DSTODS) {
--                              struct ieee80211_node_table *nt;
-+                              struct ieee80211vap *avp;
-+
-+                              TAILQ_FOREACH(avp, &vap->iv_wdslinks, iv_wdsnext) {
-+                                      if (!memcmp(avp->wds_mac, wh->i_addr2, IEEE80211_ADDR_LEN)) {
-+                                              IEEE80211_LOCK_IRQ(ni->ni_ic);
-+                                              ni_wds = avp->iv_wdsnode;
-+                                              IEEE80211_UNLOCK_IRQ(ni->ni_ic);
-+                                              break;
-+                                      }
-+                              }
-+                              if (ni_wds != NULL) {
-+                                      ieee80211_unref_node(&ni);
-+                                      ni = ieee80211_ref_node(ni_wds);
++                      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) && !ni_wds) {
+                       /* 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 +576,6 @@
+@@ -557,7 +577,6 @@ ieee80211_input(struct ieee80211vap * va
                                        goto err;
                                }
                                wh4 = (struct ieee80211_frame_addr4 *)skb->data;
                                ni_wds = ieee80211_find_wds_node(nt, wh4->i_addr4);
                                /* Last call increments ref count if !NULL */
                                if ((ni_wds != NULL) && (ni_wds != ni)) {
-@@ -3084,8 +3102,7 @@
+@@ -608,6 +627,11 @@ 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 +704,12 @@ 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 +1142,17 @@ 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))) {
++              if (ni->ni_vap == ni->ni_subif) {
++                      ieee80211_dev_kfree_skb(&skb);
++              } else {
++                      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_stats.is_rx_mgtdiscard++;
                        return;
                }
-@@ -3471,13 +3488,53 @@
+@@ -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);
 +                               (vap->iv_opmode == IEEE80211_M_WDS)) &&
 +                              (scan.capinfo & IEEE80211_CAPINFO_ESS))) {
 +                      struct ieee80211vap *avp = NULL;
++                      int found = 0;
 +
 +                      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) {
-+                                      if (!avp->iv_wdsnode)
-+                                              break;
++                              if (found)
 +                                      ni = ni_or_null = avp->iv_wdsnode;
-+                              } else {
-+                                      avp = NULL;
-+                              }
++                      } else if (vap->iv_opmode == IEEE80211_M_WDS) {
++                              found = 1;
++                              ni = ni_or_null = vap->iv_wdsnode;
 +                      }
 +                      IEEE80211_UNLOCK_IRQ(vap->iv_ic);
 +
++                      if (!found)
++                              break;
 +
                        if (ni_or_null == NULL) {
 -                              /* Create a new entry in the neighbor table. */
                        } else {
                                /*
                                 * Copy data from beacon to neighbor table.
-@@ -3490,6 +3547,7 @@
+@@ -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_capinfo = scan.capinfo;
 --- a/net80211/ieee80211_node.c
 +++ b/net80211/ieee80211_node.c
-@@ -1553,22 +1553,24 @@
+@@ -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 +1145,65 @@ 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;
++
++      if (!ni->ni_table)
++              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 +1623,39 @@ 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)*/)
        nt = &ic->ic_sta;
        IEEE80211_NODE_TABLE_LOCK_IRQ(nt);
 -      if (IS_CTL(wh) && !IS_PSPOLL(wh) /*&& !IS_RTS(ah)*/)
- #ifdef IEEE80211_DEBUG_REFCNT
+-#ifdef IEEE80211_DEBUG_REFCNT
 -              ni = ieee80211_find_node_locked_debug(nt, wh->i_addr1, func, line);
-+      ni = ieee80211_find_node_locked_debug(nt, addr, func, line);
- #else
+-#else
 -              ni = ieee80211_find_node_locked(nt, wh->i_addr1);
 -#endif
 -      else
--#ifdef IEEE80211_DEBUG_REFCNT
++      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);
--#else
++      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);
  
-@@ -1669,6 +1671,11 @@
+@@ -1596,9 +1683,19 @@ 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 +1766,11 @@ ieee80211_free_node(struct ieee80211_nod
  {
        struct ieee80211vap *vap = ni->ni_vap;
  
        atomic_dec(&ni->ni_ic->ic_node_counter);
        node_print_message(IEEE80211_MSG_NODE|IEEE80211_MSG_NODE_REF,
                           1 /* show counter */, 
-@@ -1781,22 +1788,6 @@
+@@ -1781,22 +1883,6 @@ restart:
                    jiffies > ni->ni_rxfragstamp + HZ) {
                        ieee80211_dev_kfree_skb(&ni->ni_rxfrag);
                }
                ni->ni_inact--;
                if (ni->ni_associd != 0 || isadhoc) {
                        struct ieee80211vap *vap = ni->ni_vap;
+@@ -2263,6 +2349,35 @@ 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;
++
++      /* wait for full initialization before we start the teardown
++       * otherwise we could leak interfaces */
++      while (ni->ni_subif == ni->ni_vap)
++              schedule();
++
++      rtnl_lock();
++      vap = ni->ni_subif;
++
++      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 +2394,12 @@ 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
-@@ -246,10 +246,16 @@
+@@ -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
-+      if (vap->iv_opmode == IEEE80211_M_WDS) {
-+              IEEE80211_LOCK_IRQ(ic);
-+              ni = vap->iv_wdsnode;
-+              IEEE80211_UNLOCK_IRQ(ic);
-+              if (!ni)
-+                      goto bad;
-+              ni = ieee80211_ref_node(vap->iv_wdsnode);
-+      } else {
-               ni = ieee80211_find_txnode(vap, eh->ether_dhost);
-+      }
+-              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;
-@@ -788,7 +794,7 @@
+       }
++      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;
                break;
        case IEEE80211_M_HOSTAP:
                if (!IEEE80211_IS_MULTICAST(eh.ether_dhost) &&
-@@ -973,7 +979,7 @@
+@@ -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_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 @@
+@@ -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),
                        };
 --- a/tools/athchans.c
 +++ b/tools/athchans.c
-@@ -118,7 +118,7 @@
+@@ -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),
                        };
 --- a/tools/wlanconfig.c
 +++ b/tools/wlanconfig.c
-@@ -968,7 +968,7 @@
+@@ -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),
                };
 --- a/net80211/ieee80211_proto.c
 +++ b/net80211/ieee80211_proto.c
-@@ -1557,57 +1557,12 @@
+@@ -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 ||
                                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_ */
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