From: Felix Fietkau <nbd@openwrt.org>
Date: Sat, 17 Oct 2009 05:02:13 +0000 (+0000)
Subject: madwifi: merge fixes from trunk
X-Git-Url: http://git.openwrt.org/?p=openwrt%2Fsvn-archive%2Farchive.git;a=commitdiff_plain;h=9c36f4938cde5c3ee552252cfece8a1abbf6f274

madwifi: merge fixes from trunk

SVN-Revision: 18054
---

diff --git a/package/madwifi/patches/421-channel_handling.patch b/package/madwifi/patches/421-channel_handling.patch
index e5302c1389..8424321d76 100644
--- a/package/madwifi/patches/421-channel_handling.patch
+++ b/package/madwifi/patches/421-channel_handling.patch
@@ -853,7 +853,7 @@
  	}
  	/* Initialize candidate channels to all available */
  	memcpy(ic->ic_chan_active, ic->ic_chan_avail,
-@@ -311,11 +296,58 @@ ieee80211_ifattach(struct ieee80211com *
+@@ -311,11 +296,59 @@ ieee80211_ifattach(struct ieee80211com *
  	 * When 11g is supported, force the rate set to
  	 * include basic rates suitable for a mixed b/g bss.
  	 */
@@ -866,6 +866,7 @@
 +	if (init)
 +		return;
 +
++	ifmedia_removeall(&ic->ic_media);
 +	ieee80211_media_setup(ic, &ic->ic_media, ic->ic_caps, NULL, NULL);
 +	ieee80211com_media_status(ic->ic_dev, &imr);
 +	ifmedia_set(&ic->ic_media, imr.ifm_active);
@@ -913,7 +914,7 @@
  	/* Setup initial channel settings */
  	ic->ic_bsschan = IEEE80211_CHAN_ANYC;
  	/* Arbitrarily pick the first channel */
-@@ -327,6 +359,7 @@ ieee80211_ifattach(struct ieee80211com *
+@@ -327,6 +360,7 @@ ieee80211_ifattach(struct ieee80211com *
  	/* Enable WME by default, if we're capable. */
  	if (ic->ic_caps & IEEE80211_C_WME)
  		ic->ic_flags |= IEEE80211_F_WME;
@@ -921,7 +922,7 @@
  	(void) ieee80211_setmode(ic, ic->ic_curmode);
  
  	/* Store default beacon interval, as nec. */
-@@ -763,7 +796,8 @@ ieee80211_media_setup(struct ieee80211co
+@@ -763,7 +797,8 @@ ieee80211_media_setup(struct ieee80211co
  	struct ieee80211_rateset allrates;
  
  	/* Fill in media characteristics. */
@@ -931,7 +932,7 @@
  	maxrate = 0;
  	memset(&allrates, 0, sizeof(allrates));
  
-@@ -793,7 +827,7 @@ ieee80211_media_setup(struct ieee80211co
+@@ -793,7 +828,7 @@ ieee80211_media_setup(struct ieee80211co
  			ADD(media, IFM_AUTO, mopt | IFM_IEEE80211_WDS);
  		if (mode == IEEE80211_MODE_AUTO)
  			continue;
@@ -940,7 +941,7 @@
  
  		for (i = 0; i < rs->rs_nrates; i++) {
  			rate = rs->rs_rates[i];
-@@ -1207,7 +1241,7 @@ ieee80211_announce(struct ieee80211com *
+@@ -1207,7 +1242,7 @@ ieee80211_announce(struct ieee80211com *
  		if ((ic->ic_modecaps & (1 << mode)) == 0)
  			continue;
  		if_printf(dev, "%s rates: ", ieee80211_phymode_name[mode]);
@@ -949,7 +950,7 @@
  		for (i = 0; i < rs->rs_nrates; i++) {
  			rate = rs->rs_rates[i];
  			mword = ieee80211_rate2media(ic, rate, mode);
-@@ -1417,7 +1451,7 @@ ieee80211com_media_change(struct net_dev
+@@ -1417,7 +1452,7 @@ ieee80211com_media_change(struct net_dev
  			 * now so drivers have a consistent state.
  			 */
  			KASSERT(vap->iv_bss != NULL, ("no bss node"));
@@ -958,7 +959,7 @@
  		}
  		error = -ENETRESET;
  	}
-@@ -1435,7 +1469,7 @@ findrate(struct ieee80211com *ic, enum i
+@@ -1435,7 +1470,7 @@ findrate(struct ieee80211com *ic, enum i
  {
  #define	IEEERATE(_ic,_m,_i) \
  	((_ic)->ic_sup_rates[_m].rs_rates[_i] & IEEE80211_RATE_VAL)
@@ -967,7 +968,7 @@
  	for (i = 0; i < nrates; i++)
  		if (IEEERATE(ic, mode, i) == rate)
  			return i;
-@@ -1877,11 +1911,6 @@ ieee80211_build_countryie(struct ieee802
+@@ -1877,11 +1912,6 @@ ieee80211_build_countryie(struct ieee802
  			if (ieee80211_chan2mode(c) != curmode_noturbo)
  				continue;
  
@@ -979,7 +980,7 @@
  			if (*cur_runlen == 0) {
  				(*cur_runlen)++;
  				*cur_pow = c->ic_maxregpower;
-@@ -1915,7 +1944,7 @@ void
+@@ -1915,7 +1945,7 @@ void
  ieee80211_build_sc_ie(struct ieee80211com *ic)
  {
  	struct ieee80211_ie_sc *ie = &ic->ic_sc_ie;
diff --git a/package/madwifi/patches/430-use_netdev_priv.patch b/package/madwifi/patches/430-use_netdev_priv.patch
index ad2b6d494d..642a9d21d2 100644
--- a/package/madwifi/patches/430-use_netdev_priv.patch
+++ b/package/madwifi/patches/430-use_netdev_priv.patch
@@ -1002,7 +1002,7 @@
  #define skb_tail_pointer(_skb) ((_skb)->tail)
 --- a/net80211/ieee80211.c
 +++ b/net80211/ieee80211.c
-@@ -457,7 +457,7 @@ ieee80211_vap_setup(struct ieee80211com 
+@@ -458,7 +458,7 @@ ieee80211_vap_setup(struct ieee80211com 
  #define	IEEE80211_C_OPMODE \
  	(IEEE80211_C_IBSS | IEEE80211_C_HOSTAP | IEEE80211_C_AHDEMO | \
  	 IEEE80211_C_MONITOR)
@@ -1011,7 +1011,7 @@
  	struct net_device *parent = ic->ic_dev;
  	int err;
  
-@@ -1354,7 +1354,7 @@ media_status(enum ieee80211_opmode opmod
+@@ -1355,7 +1355,7 @@ media_status(enum ieee80211_opmode opmod
  static void
  ieee80211com_media_status(struct net_device *dev, struct ifmediareq *imr)
  {
@@ -1020,7 +1020,7 @@
  
  	imr->ifm_status = IFM_AVALID;
  	if (!TAILQ_EMPTY(&ic->ic_vaps))
-@@ -1406,7 +1406,7 @@ media2mode(const struct ifmedia_entry *i
+@@ -1407,7 +1407,7 @@ media2mode(const struct ifmedia_entry *i
  static int
  ieee80211com_media_change(struct net_device *dev)
  {
@@ -1029,7 +1029,7 @@
  	struct ieee80211vap *vap;
  	struct ifmedia_entry *ime = ic->ic_media.ifm_cur;
  	enum ieee80211_phymode newphymode;
-@@ -1510,7 +1510,7 @@ checkrate(struct ieee80211com *ic, enum 
+@@ -1511,7 +1511,7 @@ checkrate(struct ieee80211com *ic, enum 
  int
  ieee80211_media_change(struct net_device *dev)
  {
@@ -1038,7 +1038,7 @@
  	struct ieee80211com *ic = vap->iv_ic;
  	struct ifmedia_entry *ime = vap->iv_media.ifm_cur;
  	enum ieee80211_phymode newmode;
-@@ -1544,7 +1544,7 @@ EXPORT_SYMBOL(ieee80211_media_change);
+@@ -1545,7 +1545,7 @@ EXPORT_SYMBOL(ieee80211_media_change);
  void
  ieee80211_media_status(struct net_device *dev, struct ifmediareq *imr)
  {
@@ -1047,7 +1047,7 @@
  	struct ieee80211com *ic = vap->iv_ic;
  	enum ieee80211_phymode mode;
  	struct ieee80211_rateset *rs;
-@@ -1750,7 +1750,7 @@ EXPORT_SYMBOL(ieee80211_media2rate);
+@@ -1751,7 +1751,7 @@ EXPORT_SYMBOL(ieee80211_media2rate);
  static struct net_device_stats *
  ieee80211_getstats(struct net_device *dev)
  {
@@ -1056,7 +1056,7 @@
  	struct net_device_stats *stats = &vap->iv_devstats;
  
  	/* XXX: Total guess as to what to count where */
-@@ -1789,7 +1789,7 @@ ieee80211_change_mtu(struct net_device *
+@@ -1790,7 +1790,7 @@ ieee80211_change_mtu(struct net_device *
  static void
  ieee80211_set_multicast_list(struct net_device *dev)
  {
diff --git a/package/madwifi/patches/432-netdev_ops.patch b/package/madwifi/patches/432-netdev_ops.patch
index 372000fc8e..2e542bfece 100644
--- a/package/madwifi/patches/432-netdev_ops.patch
+++ b/package/madwifi/patches/432-netdev_ops.patch
@@ -69,7 +69,7 @@ http://madwifi-project.org/changeset/4005
  	case NETDEV_CHANGENAME:
 --- a/net80211/ieee80211.c
 +++ b/net80211/ieee80211.c
-@@ -450,6 +450,18 @@ ieee80211_ifdetach(struct ieee80211com *
+@@ -451,6 +451,18 @@ ieee80211_ifdetach(struct ieee80211com *
  }
  EXPORT_SYMBOL(ieee80211_ifdetach);
  
@@ -88,7 +88,7 @@ http://madwifi-project.org/changeset/4005
  int
  ieee80211_vap_setup(struct ieee80211com *ic, struct net_device *dev,
  	const char *name, int opmode, int flags, struct ieee80211vap *master)
-@@ -470,16 +482,21 @@ ieee80211_vap_setup(struct ieee80211com 
+@@ -471,16 +483,21 @@ ieee80211_vap_setup(struct ieee80211com 
  		} else
  			strncpy(dev->name, name, sizeof(dev->name));
  	}
@@ -110,7 +110,7 @@ http://madwifi-project.org/changeset/4005
  	dev->tx_queue_len = 0;			/* NB: bypass queuing */
  	dev->hard_header_len = parent->hard_header_len;
  	/*
-@@ -1823,7 +1840,11 @@ ieee80211_set_multicast_list(struct net_
+@@ -1824,7 +1841,11 @@ ieee80211_set_multicast_list(struct net_
  	IEEE80211_UNLOCK_IRQ(ic);
  
  	/* XXX: Merge multicast list into parent device */
diff --git a/package/madwifi/patches/446-single_module.patch b/package/madwifi/patches/446-single_module.patch
index ed02ae8f5e..e546b054a8 100644
--- a/package/madwifi/patches/446-single_module.patch
+++ b/package/madwifi/patches/446-single_module.patch
@@ -351,7 +351,7 @@
  #include <linux/module.h>
  #include <linux/skbuff.h>
  #include <linux/netdevice.h>
-@@ -2014,3 +2015,65 @@ ieee80211_build_sc_ie(struct ieee80211co
+@@ -2015,3 +2016,65 @@ ieee80211_build_sc_ie(struct ieee80211co
  int ath_debug_global = 0;
  EXPORT_SYMBOL(ath_debug_global);
  
diff --git a/package/madwifi/patches/447-sta_reconnect.patch b/package/madwifi/patches/447-sta_reconnect.patch
index e6f019ef75..960d1b8ed8 100644
--- a/package/madwifi/patches/447-sta_reconnect.patch
+++ b/package/madwifi/patches/447-sta_reconnect.patch
@@ -15,19 +15,11 @@
  	ic->ic_curmode = ieee80211_chan2mode(ic->ic_curchan);
 --- a/net80211/ieee80211_proto.c
 +++ b/net80211/ieee80211_proto.c
-@@ -1512,14 +1512,13 @@ __ieee80211_newstate(struct ieee80211vap
- 			if (arg != 0)
- 				ieee80211_scan_assoc_fail(ic,
- 					vap->iv_bss->ni_macaddr, arg);
-+			ieee80211_node_leave(vap->iv_bss);
- 			if (ic->ic_roaming == IEEE80211_ROAMING_AUTO)
- 				ieee80211_check_scan(vap,
- 					IEEE80211_SCAN_ACTIVE,
- 					IEEE80211_SCAN_FOREVER,
- 					vap->iv_des_nssid, vap->iv_des_ssid,
- 					NULL);
--			else
--				ieee80211_node_leave(vap->iv_bss);
+@@ -1602,7 +1602,6 @@ __ieee80211_newstate(struct ieee80211vap
+ 				IEEE80211_FC0_SUBTYPE_ASSOC_REQ, 0);
  			break;
- 		case IEEE80211_S_RUN:		/* beacon miss */
- 			if (vap->iv_opmode == IEEE80211_M_STA) {
+ 		case IEEE80211_S_RUN:
+-			ieee80211_node_leave(ni);
+ 			if (ic->ic_roaming == IEEE80211_ROAMING_AUTO) {
+ 				/* NB: caller specifies ASSOC/REASSOC by arg */
+ 				IEEE80211_SEND_MGMT(ni, arg ?
diff --git a/package/madwifi/patches/448-beacon_handling_fixes.patch b/package/madwifi/patches/448-beacon_handling_fixes.patch
index 7fe1251ea8..3fa97e2e64 100644
--- a/package/madwifi/patches/448-beacon_handling_fixes.patch
+++ b/package/madwifi/patches/448-beacon_handling_fixes.patch
@@ -1,26 +1,87 @@
 --- a/ath/if_ath.c
 +++ b/ath/if_ath.c
-@@ -512,7 +512,7 @@ MODULE_PARM_DESC(ieee80211_debug, "Load-
+@@ -160,7 +160,7 @@ static int ath_check_beacon_done(struct 
+ static void ath_beacon_send(struct ath_softc *, int *, uint64_t hw_tsf);
+ static void ath_beacon_return(struct ath_softc *, struct ath_buf *);
+ static void ath_beacon_free(struct ath_softc *);
+-static void ath_beacon_config(struct ath_softc *, struct ieee80211vap *);
++static void ath_beacon_config(struct ath_softc *, struct ieee80211vap *, int);
+ static void ath_hw_beacon_stop(struct ath_softc *sc);
+ static int ath_desc_alloc(struct ath_softc *);
+ static void ath_desc_free(struct ath_softc *);
+@@ -387,13 +387,11 @@ static void ath_set_timing(struct ath_so
+ /* calibrate every 30 secs in steady state but check every second at first. */
+ static int ath_calinterval = ATH_SHORT_CALINTERVAL;
+ static int ath_xchanmode = AH_TRUE;		/* enable extended channels */
+-static int ath_maxvaps = ATH_MAXVAPS_DEFAULT;   /* set default maximum vaps */
+ static int bstuck_thresh = BSTUCK_THRESH;       /* Stuck beacon count required for reset */
+ static char *autocreate = NULL;
+ static char *ratectl = DEF_RATE_CTL;
+ static int rfkill = 0;
+ static int tpc = 1;
+-static int maxvaps = -1;
+ static int xchanmode = -1;
+ #include "ath_wprobe.c"
+ static int beacon_cal = 1;
+@@ -432,7 +430,6 @@ static struct notifier_block ath_event_b
+ 
+ #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,52))
+ MODULE_PARM(beacon_cal, "i");
+-MODULE_PARM(maxvaps, "i");
+ MODULE_PARM(xchanmode, "i");
+ MODULE_PARM(rfkill, "i");
+ #ifdef ATH_CAP_TPC
+@@ -444,7 +441,6 @@ MODULE_PARM(ratectl, "s");
+ #else
+ #include <linux/moduleparam.h>
+ module_param(beacon_cal, int, 0600);
+-module_param(maxvaps, int, 0600);
+ module_param(xchanmode, int, 0600);
+ module_param(rfkill, int, 0600);
+ #ifdef ATH_CAP_TPC
+@@ -454,7 +450,6 @@ module_param(bstuck_thresh, int, 0600);
+ module_param(autocreate, charp, 0600);
+ module_param(ratectl, charp, 0600);
+ #endif
+-MODULE_PARM_DESC(maxvaps, "Maximum VAPs");
+ MODULE_PARM_DESC(xchanmode, "Enable/disable extended channel mode");
+ MODULE_PARM_DESC(rfkill, "Enable/disable RFKILL capability");
+ #ifdef ATH_CAP_TPC
+@@ -512,7 +507,7 @@ MODULE_PARM_DESC(ieee80211_debug, "Load-
   * and use the higher bits as the index of the VAP.
   */
  #define ATH_SET_VAP_BSSID_MASK(bssid_mask)				\
 -	((bssid_mask)[0] &= ~(((ath_maxvaps-1) << 2) | 0x02))
-+	((bssid_mask)[0] &= ~(((ATH_MAXVAPS_MAX-1) << 2) | 0x02))
++	((bssid_mask)[0] &= ~(((ATH_MAXVAPS_BCN-1) << 2) | 0x02))
  #define ATH_GET_VAP_ID(bssid)                   ((bssid)[0] >> 2)
  #define ATH_SET_VAP_BSSID(bssid, id)					\
  		do {							\
-@@ -604,8 +604,8 @@ ath_attach(u_int16_t devid, struct net_d
+@@ -604,8 +599,8 @@ ath_attach(u_int16_t devid, struct net_d
  
  	/* Allocate space for dynamically determined maximum VAP count */
  	sc->sc_bslot = 
 -		kmalloc(ath_maxvaps * sizeof(struct ieee80211vap*), GFP_KERNEL);
 -	memset(sc->sc_bslot, 0, ath_maxvaps * sizeof(struct ieee80211vap*));
-+		kmalloc(ATH_MAXVAPS_MAX * sizeof(struct ieee80211vap*), GFP_KERNEL);
-+	memset(sc->sc_bslot, 0, ATH_MAXVAPS_MAX * sizeof(struct ieee80211vap*));
++		kmalloc(ATH_MAXVAPS_BCN * sizeof(struct ieee80211vap*), GFP_KERNEL);
++	memset(sc->sc_bslot, 0, ATH_MAXVAPS_BCN * sizeof(struct ieee80211vap*));
  
  	/*
  	 * Cache line size is used to size and align various
-@@ -1349,11 +1349,8 @@ ath_vap_create(struct ieee80211com *ic, 
+@@ -694,13 +689,6 @@ ath_attach(u_int16_t devid, struct net_d
+ 	for (i = 0; i < sc->sc_keymax; i++)
+ 		ath_hal_keyreset(ah, i);
+ 
+-	if (maxvaps != -1) {
+-		ath_maxvaps = maxvaps;
+-		if (ath_maxvaps < ATH_MAXVAPS_MIN)
+-			ath_maxvaps = ATH_MAXVAPS_MIN;
+-		else if (ath_maxvaps > ATH_MAXVAPS_MAX)
+-			ath_maxvaps = ATH_MAXVAPS_MAX;
+-	}
+ 	if (xchanmode != -1)
+ 		ath_xchanmode = xchanmode;
+ 	error = ath_getchannels(dev);
+@@ -1349,12 +1337,6 @@ ath_vap_create(struct ieee80211com *ic, 
  		return NULL;
  	}
  
@@ -29,123 +90,318 @@
 -				sc->sc_nvaps);
 -		return NULL;
 -	}
-+	if ((sc->sc_nvaps >= ath_maxvaps) && (ath_maxvaps < ATH_MAXVAPS_MAX))
-+		ath_maxvaps++;
- 
+-
  	dev = alloc_etherdev(sizeof(struct ath_vap) + sc->sc_rc->arc_vap_space);
  	if (dev == NULL) {
-@@ -1451,11 +1448,11 @@ ath_vap_create(struct ieee80211com *ic, 
+ 		/* XXX msg */
+@@ -1424,7 +1406,7 @@ ath_vap_create(struct ieee80211com *ic, 
+ 		TAILQ_FOREACH(v, &ic->ic_vaps, iv_next)
+ 			id_mask |= (1 << ATH_GET_VAP_ID(v->iv_myaddr));
+ 
+-		for (id = 0; id < ath_maxvaps; id++) {
++		for (id = 0; id < ATH_MAXVAPS_BCN; id++) {
+ 			/* get the first available slot */
+ 			if ((id_mask & (1 << id)) == 0) {
+ 				ATH_SET_VAP_BSSID(vap->iv_myaddr, id);
+@@ -1451,11 +1433,11 @@ ath_vap_create(struct ieee80211com *ic, 
  		/* Assign the VAP to a beacon xmit slot.  As
  		 * above, this cannot fail to find one. */
  		avp->av_bslot = 0;
 -		for (slot = 0; slot < ath_maxvaps; slot++)
-+		for (slot = 0; slot < ATH_MAXVAPS_MAX; slot++)
++		for (slot = 0; slot < ATH_MAXVAPS_BCN; slot++)
  			if (sc->sc_bslot[slot] == NULL) {
  				/* XXX: Hack, space out slots to better
  				 * deal with misses. */
 -				if (slot + 1 < ath_maxvaps &&
-+				if (slot + 1 < ATH_MAXVAPS_DEFAULT &&
++				if (slot + 1 < ATH_MAXVAPS_BCN &&
  				    sc->sc_bslot[slot+1] == NULL) {
  					avp->av_bslot = slot + 1;
  					break;
-@@ -1463,11 +1460,16 @@ ath_vap_create(struct ieee80211com *ic, 
+@@ -1463,8 +1445,11 @@ ath_vap_create(struct ieee80211com *ic, 
  				avp->av_bslot = slot;
  				/* NB: keep looking for a double slot */
  			}
 -		KASSERT(sc->sc_bslot[avp->av_bslot] == NULL,
 -			("beacon slot %u not empty?", avp->av_bslot));
-+
-+		/* No beacon slot found? */
 +		if (sc->sc_bslot[avp->av_bslot]) {
 +			free_netdev(dev);
 +			return NULL;
 +		}
++
  		sc->sc_bslot[avp->av_bslot] = vap;
  		sc->sc_nbcnvaps++;
  
-+#if 0
- 		if ((opmode == IEEE80211_M_HOSTAP) && (sc->sc_hastsfadd)) {
- 			/*
- 			 * Multiple VAPs are to transmit beacons and we
-@@ -1485,6 +1487,9 @@ ath_vap_create(struct ieee80211com *ic, 
- 				sc->sc_stagbeacons = 1;
- 			}
+@@ -1475,15 +1460,7 @@ ath_vap_create(struct ieee80211com *ic, 
+ 			 * of staggered beacons.
+ 			 */
+ 			/* XXX check for beacon interval too small */
+-			if (ath_maxvaps > 4) {
+-				DPRINTF(sc, ATH_DEBUG_BEACON, 
+-						"Staggered beacons are not "
+-						"possible with maxvaps set "
+-						"to %d.\n", ath_maxvaps);
+-				sc->sc_stagbeacons = 0;
+-			} else {
+-				sc->sc_stagbeacons = 1;
+-			}
++			sc->sc_stagbeacons = 1;
  		}
-+#else
-+		sc->sc_stagbeacons = sc->sc_hastsfadd;
-+#endif
  		DPRINTF(sc, ATH_DEBUG_BEACON, "sc->sc_stagbeacons %sabled\n", 
  				(sc->sc_stagbeacons ? "en" : "dis"));
+@@ -1553,7 +1530,7 @@ ath_vap_create(struct ieee80211com *ic, 
+ 		if (ath_startrecv(sc) != 0)	/* restart recv */
+ 			EPRINTF(sc, "Unable to start receive logic.\n");
+ 		if (sc->sc_beacons)
+-			ath_beacon_config(sc, NULL);	/* restart beacons */
++			ath_beacon_config(sc, NULL, 0);	/* restart beacons */
+ 		ath_hal_intrset(ah, sc->sc_imask);
  	}
-@@ -4968,7 +4973,7 @@ ath_beacon_alloc_internal(struct ath_sof
+ 
+@@ -1681,7 +1658,7 @@ ath_vap_delete(struct ieee80211vap *vap)
+ 		if (ath_startrecv(sc) != 0)		/* restart recv. */
+ 			EPRINTF(sc, "Unable to start receive logic.\n");
+ 		if (sc->sc_beacons)
+-			ath_beacon_config(sc, NULL);	/* restart beacons */
++			ath_beacon_config(sc, NULL, 0);	/* restart beacons */
+ 		ath_hal_intrset(ah, sc->sc_imask);
+ 	}
+ }
+@@ -3066,7 +3043,7 @@ ath_reset(struct net_device *dev)
+ 	 */
+ 	ath_chan_change(sc, c);
+ 	if (sc->sc_beacons)
+-		ath_beacon_config(sc, NULL);	/* restart beacons */
++		ath_beacon_config(sc, NULL, 1);	/* restart beacons */
+ 	ath_hal_intrset(ah, sc->sc_imask);
+ 	ath_set_ack_bitrate(sc, sc->sc_ackrate);
+ 	netif_wake_queue(dev);		/* restart xmit */
+@@ -4763,7 +4740,7 @@ ath_check_beacon_done(struct ath_softc *
+ 	/*
+ 	 * check if the last beacon went out with the mode change flag set.
+ 	 */
+-	for (slot = 0; slot < ath_maxvaps; slot++) {
++	for (slot = 0; slot < ATH_MAXVAPS_BCN; slot++) {
+ 		if (sc->sc_bslot[slot]) {
+ 			vap = sc->sc_bslot[slot];
+ 			break;
+@@ -4968,7 +4945,7 @@ ath_beacon_alloc_internal(struct ath_sof
  		 * has a timestamp in one beacon interval while the
  		 * others get a timestamp aligned to the next interval.
  		 */
 -		tuadjust = (ni->ni_intval * (ath_maxvaps - avp->av_bslot)) / ath_maxvaps;
-+		tuadjust = (ni->ni_intval * (ATH_MAXVAPS_DEFAULT - avp->av_bslot)) / ATH_MAXVAPS_DEFAULT;
++		tuadjust = (ni->ni_intval * (ATH_MAXVAPS_BCN - avp->av_bslot)) / ATH_MAXVAPS_BCN;
  		tsfadjust = cpu_to_le64(tuadjust << 10);	/* TU->TSF */
  
  		DPRINTF(sc, ATH_DEBUG_BEACON,
-@@ -5358,21 +5363,40 @@ ath_beacon_send(struct ath_softc *sc, in
- 	 */
- 	if (sc->sc_stagbeacons) {		/* staggered beacons */
- 		struct ieee80211com *ic = &sc->sc_ic;
-+		u_int32_t *bflink = NULL;
+@@ -5361,8 +5338,8 @@ ath_beacon_send(struct ath_softc *sc, in
  		u_int32_t tsftu;
  
  		tsftu = hw_tsf >> 10; /* NB: 64 -> 32: See note far above. */
 -		slot = ((tsftu % ic->ic_lintval) * ath_maxvaps) / ic->ic_lintval;
 -		vap = sc->sc_bslot[(slot + 1) % ath_maxvaps];
-+		slot = ((tsftu % ic->ic_lintval) * ATH_MAXVAPS_DEFAULT) / ic->ic_lintval;
++		slot = ((tsftu % ic->ic_lintval) * ATH_MAXVAPS_BCN) / ic->ic_lintval;
++		vap = sc->sc_bslot[(slot + 1) % ATH_MAXVAPS_BCN];
  		DPRINTF(sc, ATH_DEBUG_BEACON_PROC,
  			"Slot %d [tsf %llu tsftu %llu intval %u] vap %p\n",
  			slot, (unsigned long long)hw_tsf, 
- 			(unsigned long long)tsftu, ic->ic_lintval, vap);
- 		bfaddr = 0;
--		if (vap != NULL) {
-+		while (slot < ATH_MAXVAPS_MAX) {
-+			vap = sc->sc_bslot[slot];
-+			if (vap == NULL)
-+				goto next;
-+
- 			bf = ath_beacon_generate(sc, vap, needmark);
--			if (bf != NULL)
-+			if (bf == NULL)
-+				break;
-+
-+			if (bflink != NULL)
-+#ifdef AH_NEED_DESC_SWAP
-+				*bflink = cpu_to_le32(bf->bf_daddr);
-+#else
-+				*bflink = bf->bf_daddr;
-+#endif
-+			else
- 				bfaddr = bf->bf_daddr;
-+
-+			bflink = &bf->bf_desc->ds_link;
-+next:
-+			slot += ATH_MAXVAPS_DEFAULT;
- 		}
-+		if (bflink != NULL)
-+			*bflink = 0;		/* link of last frame */
- 	} else {				/* burst'd beacons */
+@@ -5377,7 +5354,7 @@ ath_beacon_send(struct ath_softc *sc, in
  		u_int32_t *bflink = NULL;
  
-@@ -5567,7 +5591,7 @@ ath_beacon_config(struct ath_softc *sc, 
+ 		/* XXX: rotate/randomize order? */
+-		for (slot = 0; slot < ath_maxvaps; slot++) {
++		for (slot = 0; slot < ATH_MAXVAPS_BCN; slot++) {
+ 			if ((vap = sc->sc_bslot[slot]) != NULL) {
+ 				if ((bf = ath_beacon_generate(
+ 						sc, vap, 
+@@ -5418,7 +5395,7 @@ ath_beacon_send(struct ath_softc *sc, in
+ 	 *     again.  If we miss a beacon for that slot then we'll be
+ 	 *     slow to transition but we'll be sure at least one beacon
+ 	 *     interval has passed.  When bursting slot is always left
+-	 *     set to ath_maxvaps so this check is a no-op.
++	 *     set to ATH_MAXVAPS_BCN so this check is a no-op.
+ 	 */
+ 	/* XXX locking */
+ 	if (sc->sc_updateslot == UPDATE) {
+@@ -5526,7 +5503,7 @@ ath_beacon_free(struct ath_softc *sc)
+  * (2^(32 + 10 - 1) - 1)us is a really long time.
+  */
+ static void
+-ath_beacon_config(struct ath_softc *sc, struct ieee80211vap *vap)
++ath_beacon_config(struct ath_softc *sc, struct ieee80211vap *vap, int reset)
+ {
+ 	struct ieee80211com *ic = &sc->sc_ic;
+ 	struct ath_hal *ah = sc->sc_ah;
+@@ -5553,7 +5530,7 @@ ath_beacon_config(struct ath_softc *sc, 
+ 	/* We should reset hw TSF only once, so we increment
+ 	 * ni_tstamp.tsf to avoid resetting the hw TSF multiple
+ 	 * times */
+-	if (tsf == 0) {
++	if (tsf == 0 || reset) {
+ 		reset_tsf = 1;
+ 		ni->ni_tstamp.tsf = cpu_to_le64(1);
+ 	}
+@@ -5567,7 +5544,7 @@ ath_beacon_config(struct ath_softc *sc, 
  		/* NB: the beacon interval is kept internally in TUs */
  		intval = ic->ic_lintval & HAL_BEACON_PERIOD;
  		if (sc->sc_stagbeacons)
 -			intval /= ath_maxvaps;	/* for staggered beacons */
-+			intval /= ATH_MAXVAPS_DEFAULT;	/* for staggered beacons */
++			intval /= ATH_MAXVAPS_BCN;	/* for staggered beacons */
  		if ((sc->sc_nostabeacons) &&
  		    (vap->iv_opmode == IEEE80211_M_HOSTAP))
  			reset_tsf = 1;
-@@ -5889,7 +5913,7 @@ ath_desc_alloc(struct ath_softc *sc)
+@@ -5583,31 +5560,24 @@ ath_beacon_config(struct ath_softc *sc, 
+ 		 * time */
+ 		nexttbtt = intval;
+ 	} else if (intval) {	/* NB: can be 0 for monitor mode */
+-		if (tsf == 1) {
+-			/* We have not received any beacons or probe
+-			 * responses. Since a beacon should be sent
+-			 * every 'intval' ms, we compute the next
+-			 * beacon timestamp using the hardware TSF. We
+-			 * ensure that it is at least FUDGE TUs ahead
+-			 * of the current TSF. Otherwise, we use the
+-			 * next beacon timestamp again */
+- 			nexttbtt = roundup(hw_tsftu + FUDGE, intval);
+-		} 
+-		else if (ic->ic_opmode == IEEE80211_M_IBSS) {
+-			if (tsf > hw_tsf) {
+-				/* We received a beacon, but the HW TSF has
+-				 * not been updated (otherwise hw_tsf > tsf)
+-				 * We cannot use the hardware TSF, so we
+-				 * wait to synchronize beacons again. */
+-				sc->sc_syncbeacon = 1;
+-				goto ath_beacon_config_debug;
+-			} else {
+-				/* Normal case: we received a beacon to which
+-				 * we have synchronized. Make sure that nexttbtt
+-				 * is at least FUDGE TU ahead of hw_tsf */
+-				nexttbtt = tsftu + roundup(hw_tsftu + FUDGE - 
+-						tsftu, intval);
+-			}
++		if ((tsf > hw_tsf) && (ic->ic_opmode == IEEE80211_M_IBSS)) {
++			/* We received a beacon, but the HW TSF has
++			 * not been updated (otherwise hw_tsf > tsf)
++			 * We cannot use the hardware TSF, so we
++			 * wait to synchronize beacons again. */
++			sc->sc_syncbeacon = 1;
++			goto ath_beacon_config_debug;
++		} else if ((tsftu + FUDGE) > hw_tsftu) {
++			if (tsftu > hw_tsftu + 2 * intval)
++				nexttbtt = roundup(hw_tsftu + FUDGE, intval);
++			else
++				nexttbtt = tsftu;
++		} else {
++			/* Normal case: we received a beacon to which
++			 * we have synchronized. Make sure that nexttbtt
++			 * is at least FUDGE TU ahead of hw_tsf */
++			nexttbtt = tsftu + roundup(hw_tsftu + FUDGE -
++					tsftu, intval);
+ 		}
+ 	}
+ 
+@@ -5730,9 +5700,6 @@ ath_beacon_config(struct ath_softc *sc, 
+ 		ath_beacon_dturbo_config(vap, intval &
+ 				~(HAL_BEACON_RESET_TSF | HAL_BEACON_ENA));
+ #endif
+-		if ((nexttbtt & HAL_BEACON_PERIOD) - (ath_hal_gettsf32(ah) >> 10)
+-				<= ath_hal_sw_beacon_response_time)
+-			nexttbtt += intval;
+ 		sc->sc_nexttbtt = nexttbtt;
+ 
+ 		/* stop beacons before reconfiguring the timers to avoid race
+@@ -5889,7 +5856,7 @@ ath_desc_alloc(struct ath_softc *sc)
  
  	/* XXX allocate beacon state together with VAP */
  	error = ath_descdma_setup(sc, &sc->sc_bdma, &sc->sc_bbuf,
 -			"beacon", ath_maxvaps, 1);
-+			"beacon", ATH_MAXVAPS_MAX, 1);
++			"beacon", ATH_MAXVAPS_BCN, 1);
  	if (error != 0) {
  		ath_descdma_cleanup(sc, &sc->sc_txdma, &sc->sc_txbuf,
  			BUS_DMA_TODEVICE);
+@@ -6680,7 +6647,7 @@ ath_recv_mgmt(struct ieee80211vap * vap,
+ 			/* Resync beacon timers using the tsf of the
+ 			 * beacon frame we just received. */
+ 			vap->iv_flags_ext &= ~IEEE80211_FEXT_APPIE_UPDATE;
+-			ath_beacon_config(sc, vap);
++			ath_beacon_config(sc, vap, 0);
+ 			DPRINTF(sc, ATH_DEBUG_BEACON, 
+ 				"Updated beacon timers\n");
+ 		}
+@@ -9359,7 +9326,7 @@ ath_chan_set(struct ath_softc *sc, struc
+ 		 * HW seems to turn off beacons during turbo mode switch.
+ 		 */
+ 		if (sc->sc_beacons && !sc->sc_dfs_cac)
+-			ath_beacon_config(sc, NULL);
++			ath_beacon_config(sc, NULL, 0);
+ 		/*
+ 		 * Re-enable interrupts.
+ 		 */
+@@ -9813,7 +9780,7 @@ ath_newstate(struct ieee80211vap *vap, e
+ 					ATH_DEBUG_BEACON_PROC, 
+ 				"Beacons reconfigured by %p[%s]!\n",
+ 				vap, vap->iv_nickname);
+-			ath_beacon_config(sc, vap);
++			ath_beacon_config(sc, vap, 1);
+ 			sc->sc_beacons = 1;
+ 		}
+ 	} else {
+@@ -9948,9 +9915,6 @@ ath_dfs_cac_completed(unsigned long data
+ 		}
+ 		netif_wake_queue(dev);
+ 		ath_reset(dev);
+-		if (sc->sc_beacons) {
+-			ath_beacon_config(sc, NULL);
+-		}
+ 		dev->watchdog_timeo = 5 * HZ; /* restore normal timeout */
+ 	} else {
+ 		do_gettimeofday(&tv);
+@@ -11473,9 +11437,6 @@ ATH_SYSCTL_DECL(ath_sysctl_halparam, ctl
+ 		case ATH_OUTDOOR:
+ 			val = ic->ic_country_outdoor;
+ 			break;
+-		case ATH_MAXVAPS:
+-			val = ath_maxvaps;
+-			break;
+ 		case ATH_REGDOMAIN:
+ 			ath_hal_getregdomain(ah, &val);
+ 			break;
+@@ -11606,12 +11567,6 @@ static const ctl_table ath_sysctl_templa
+ 	  .extra2	= (void *)ATH_OUTDOOR,
+ 	},
+ 	{ .ctl_name	= CTL_AUTO,
+-	  .procname	= "maxvaps",
+-	  .mode		= 0444,
+-	  .proc_handler	= ath_sysctl_halparam,
+-	  .extra2	= (void *)ATH_MAXVAPS,
+-	},
+-	{ .ctl_name	= CTL_AUTO,
+ 	  .procname	= "regdomain",
+ 	  .mode		= 0644,
+ 	  .proc_handler	= ath_sysctl_halparam,
+@@ -11928,13 +11883,6 @@ static ctl_table ath_static_sysctls[] = 
+ 	},
+ #endif
+ 	{ .ctl_name	= CTL_AUTO,
+-	  .procname	= "maxvaps",
+-	  .mode		= 0444,
+-	  .data		= &ath_maxvaps,
+-	  .maxlen	= sizeof(ath_maxvaps),
+-	  .proc_handler	= proc_dointvec
+-	},
+-	{ .ctl_name	= CTL_AUTO,
+ 	  .procname	= "xchanmode",
+ 	  .mode		= 0444,
+ 	  .data		= &ath_xchanmode,
+--- a/ath/if_athvar.h
++++ b/ath/if_athvar.h
+@@ -211,9 +211,7 @@ static inline struct net_device *_alloc_
+ #define	ATH_RXBUF	40		/* number of RX buffers */
+ #define	ATH_TXBUF	200		/* number of TX buffers */
+ 
+-#define ATH_MAXVAPS_MIN 	2	/* minimum number of beacon buffers */
+-#define ATH_MAXVAPS_MAX 	64	/* maximum number of beacon buffers */
+-#define ATH_MAXVAPS_DEFAULT 	4	/* default number of beacon buffers */
++#define ATH_MAXVAPS_BCN		4	/* maximum number of beacon buffers */
+ 
+ /* free buffer threshold to restart net dev */
+ #define	ATH_TXBUF_FREE_THRESHOLD  (ATH_TXBUF / 20)
diff --git a/package/madwifi/patches/449-fix_txbuf_leak.patch b/package/madwifi/patches/449-fix_txbuf_leak.patch
index 9fd5ecb74c..31f2fef3a8 100644
--- a/package/madwifi/patches/449-fix_txbuf_leak.patch
+++ b/package/madwifi/patches/449-fix_txbuf_leak.patch
@@ -1,6 +1,6 @@
 --- a/ath/if_ath.c
 +++ b/ath/if_ath.c
-@@ -3725,6 +3725,7 @@ ff_bypass:
+@@ -3697,6 +3697,7 @@ ff_bypass:
  	 */
  	skb = ieee80211_encap(ni, skb, &framecnt);
  	if (skb == NULL) {
diff --git a/package/madwifi/patches/450-calibration.patch b/package/madwifi/patches/450-calibration.patch
index 76ff7a75f6..87397903dc 100644
--- a/package/madwifi/patches/450-calibration.patch
+++ b/package/madwifi/patches/450-calibration.patch
@@ -1,30 +1,30 @@
 --- a/ath/if_ath.c
 +++ b/ath/if_ath.c
-@@ -396,7 +396,6 @@ static int tpc = 1;
- static int maxvaps = -1;
+@@ -394,7 +394,6 @@ static int rfkill = 0;
+ static int tpc = 1;
  static int xchanmode = -1;
  #include "ath_wprobe.c"
 -static int beacon_cal = 1;
  
  static const struct ath_hw_detect generic_hw_info = {
  	.vendor_name = "Unknown",
-@@ -431,7 +430,6 @@ static struct notifier_block ath_event_b
+@@ -429,7 +428,6 @@ static struct notifier_block ath_event_b
  };
  
  #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,52))
 -MODULE_PARM(beacon_cal, "i");
- MODULE_PARM(maxvaps, "i");
  MODULE_PARM(xchanmode, "i");
  MODULE_PARM(rfkill, "i");
-@@ -443,7 +441,6 @@ MODULE_PARM(autocreate, "s");
+ #ifdef ATH_CAP_TPC
+@@ -440,7 +438,6 @@ MODULE_PARM(autocreate, "s");
  MODULE_PARM(ratectl, "s");
  #else
  #include <linux/moduleparam.h>
 -module_param(beacon_cal, int, 0600);
- module_param(maxvaps, int, 0600);
  module_param(xchanmode, int, 0600);
  module_param(rfkill, int, 0600);
-@@ -837,6 +834,7 @@ ath_attach(u_int16_t devid, struct net_d
+ #ifdef ATH_CAP_TPC
+@@ -825,6 +822,7 @@ ath_attach(u_int16_t devid, struct net_d
  		error = EIO;
  		goto bad2;
  	}
@@ -32,7 +32,7 @@
  	init_timer(&sc->sc_cal_ch);
  	sc->sc_cal_ch.function = ath_calibrate;
  	sc->sc_cal_ch.data = (unsigned long) dev;
-@@ -2765,8 +2763,7 @@ ath_stop_locked(struct net_device *dev)
+@@ -2737,8 +2735,7 @@ ath_stop_locked(struct net_device *dev)
  		}
  		if (!sc->sc_invalid) {
  			del_timer_sync(&sc->sc_dfs_cac_timer);
@@ -42,7 +42,7 @@
  		}
  		ath_draintxq(sc);
  		if (!sc->sc_invalid) {
-@@ -2791,10 +2788,9 @@ static void ath_set_beacon_cal(struct at
+@@ -2763,10 +2760,9 @@ static void ath_set_beacon_cal(struct at
  	if (val) {
  		del_timer_sync(&sc->sc_cal_ch);
  	} else {
@@ -55,7 +55,7 @@
  }
  
  /*
-@@ -3036,7 +3032,7 @@ ath_reset(struct net_device *dev)
+@@ -3008,7 +3004,7 @@ ath_reset(struct net_device *dev)
  	 * XXX: starting the calibration too early seems to lead to
  	 * problems with the beacons.
  	 */
@@ -64,7 +64,7 @@
  
  	/*
  	 * Convert to a HAL channel description with the flags
-@@ -5477,10 +5473,9 @@ next:
+@@ -5430,10 +5426,9 @@ ath_beacon_send(struct ath_softc *sc, in
  			"Invoking ath_hal_txstart with sc_bhalq: %d\n",
  			sc->sc_bhalq);
  		ath_hal_txstart(ah, sc->sc_bhalq);
@@ -78,7 +78,7 @@
  
  		sc->sc_stats.ast_be_xmit++;		/* XXX per-VAP? */
  	}
-@@ -9161,6 +9156,7 @@ ath_startrecv(struct ath_softc *sc)
+@@ -9104,6 +9099,7 @@ ath_startrecv(struct ath_softc *sc)
  		dev->mtu, sc->sc_cachelsz, sc->sc_rxbufsize);
  
  	sc->sc_rxlink = NULL;
@@ -86,7 +86,7 @@
  	STAILQ_FOREACH(bf, &sc->sc_rxbuf, bf_list) {
  		int error = ath_rxbuf_init(sc, bf);
  		ATH_RXBUF_RESET(bf);
-@@ -9377,7 +9373,7 @@ ath_chan_set(struct ath_softc *sc, struc
+@@ -9320,7 +9316,7 @@ ath_chan_set(struct ath_softc *sc, struc
  				jiffies + (sc->sc_dfs_cac_period * HZ));
  
  			/* This is a good time to start a calibration */
@@ -95,7 +95,7 @@
  		}
  		/*
  		 * re configure beacons when it is a turbo mode switch.
-@@ -9471,25 +9467,23 @@ ath_calibrate(unsigned long arg)
+@@ -9414,25 +9410,23 @@ ath_calibrate(unsigned long arg)
  	if (isIQdone == AH_TRUE) {
  		/* Unless user has overridden calibration interval,
  		 * upgrade to less frequent calibration */
@@ -128,7 +128,7 @@
  }
  
  static void
-@@ -9597,9 +9591,6 @@ ath_newstate(struct ieee80211vap *vap, e
+@@ -9540,9 +9534,6 @@ ath_newstate(struct ieee80211vap *vap, e
  		ieee80211_state_name[vap->iv_state],
  		ieee80211_state_name[nstate]);
  
@@ -138,7 +138,7 @@
  	ath_hal_setledstate(ah, leds[nstate]);	/* set LED */
  	netif_stop_queue(dev);			/* before we do anything else */
  
-@@ -9821,10 +9812,7 @@ ath_newstate(struct ieee80211vap *vap, e
+@@ -9764,10 +9755,7 @@ ath_newstate(struct ieee80211vap *vap, e
  				IEEE80211_IS_MODE_DFS_MASTER(vap->iv_opmode)) {
  			DPRINTF(sc, ATH_DEBUG_STATE | ATH_DEBUG_DOTH, 
  				"VAP -> DFSWAIT_PENDING \n");
@@ -150,7 +150,7 @@
  			/* wake the receiver */
  			netif_wake_queue(dev);
  			/* don't do the other usual stuff... */
-@@ -9866,12 +9854,6 @@ done:
+@@ -9809,12 +9797,6 @@ done:
  	/* Invoke the parent method to complete the work. */
  	error = avp->av_newstate(vap, nstate, arg);
  
@@ -165,7 +165,7 @@
  		nstate == IEEE80211_S_RUN)
 --- a/ath/if_athvar.h
 +++ b/ath/if_athvar.h
-@@ -834,7 +834,8 @@ struct ath_softc {
+@@ -832,7 +832,8 @@ struct ath_softc {
  
  	struct ieee80211_channel *sc_last_chan;
  	int sc_beacon_cal;			/* use beacon timer for calibration */
diff --git a/package/madwifi/patches/451-ibss_race_fix.patch b/package/madwifi/patches/451-ibss_race_fix.patch
new file mode 100644
index 0000000000..9be3311fda
--- /dev/null
+++ b/package/madwifi/patches/451-ibss_race_fix.patch
@@ -0,0 +1,353 @@
+--- a/net80211/ieee80211_input.c
++++ b/net80211/ieee80211_input.c
+@@ -294,10 +294,10 @@ ieee80211_input(struct ieee80211vap * va
+ 			break;
+ 		case IEEE80211_M_IBSS:
+ 		case IEEE80211_M_AHDEMO:
+-			if (!IEEE80211_ADDR_EQ(wh->i_addr3, vap->iv_bssid) ||
++			if ((!IEEE80211_ADDR_EQ(wh->i_addr3, vap->iv_bssid) ||
+ 			    (!IEEE80211_ADDR_EQ(wh->i_addr1, vap->iv_myaddr) &&
+-			     !IEEE80211_IS_MULTICAST(wh->i_addr1) &&
+-			     (subtype != IEEE80211_FC0_SUBTYPE_BEACON))) {
++			     !IEEE80211_IS_MULTICAST(wh->i_addr1))) &&
++			     (type == IEEE80211_FC0_TYPE_DATA)) {
+ 				if (!(vap->iv_dev->flags & IFF_PROMISC)) {
+ 					IEEE80211_DISCARD_MAC(vap, IEEE80211_MSG_INPUT,
+ 						bssid, NULL, "%s", "not to bss");
+@@ -322,22 +322,15 @@ ieee80211_input(struct ieee80211vap * va
+ 			}
+ 			/* Do not try to find a node reference if the packet really did come from the BSS */
+ 			if (type == IEEE80211_FC0_TYPE_DATA && ni == vap->iv_bss &&
+-					!IEEE80211_ADDR_EQ(vap->iv_bss->ni_macaddr, wh->i_addr2) &&
+ 					IEEE80211_ADDR_EQ(vap->iv_bssid, wh->i_addr3)) {
+ 				/* Try to find sender in local node table. */
+-				ni = ieee80211_find_node(&ic->ic_sta, wh->i_addr2);
++				if (!ni_or_null) {
++					ieee80211_unref_node(&ni);
++					ni = ieee80211_find_txnode(vap, wh->i_addr2);
++				}
+ 				if (ni == NULL) {
+-					/*
+-					 * Fake up a node for this newly discovered
+-					 * member of the IBSS.  This should probably
+-					 * done after an ACL check.
+-					 */
+-					ni = ieee80211_fakeup_adhoc_node(vap,
+-							wh->i_addr2);
+-					if (ni == NULL) {
+-						/* NB: stat kept for alloc failure */
+-						goto err;
+-					}
++					/* NB: stat kept for alloc failure */
++					goto discard;
+ 				}
+ 			}
+ 			iwspy_event(vap, ni, rssi);
+@@ -3553,8 +3546,8 @@ ieee80211_recv_mgmt(struct ieee80211vap 
+ 				(((vap->iv_opmode == IEEE80211_M_HOSTAP) ||
+ 				 (vap->iv_opmode == IEEE80211_M_WDS)) &&
+ 				(scan.capinfo & IEEE80211_CAPINFO_ESS))) {
++			struct ieee80211_node *tni = NULL;
+ 			struct ieee80211vap *avp = NULL;
+-			int do_unref = 0;
+ 			int found = 0;
+ 
+ 			IEEE80211_LOCK_IRQ(vap->iv_ic);
+@@ -3568,14 +3561,12 @@ ieee80211_recv_mgmt(struct ieee80211vap 
+ 					}
+ 				}
+ 				if (found)
+-					ni = ni_or_null = avp->iv_wdsnode;
++					tni = ieee80211_ref_node(avp->iv_wdsnode);
+ 			} else if (vap->iv_opmode == IEEE80211_M_WDS) {
+ 				found = 1;
+-				ni = ni_or_null = vap->iv_wdsnode;
+-			} else if (vap->iv_opmode == IEEE80211_M_IBSS) {
+-				ni_or_null = ieee80211_find_node(&ic->ic_sta, wh->i_addr2);
+-				if (ni_or_null)
+-					ni = ni_or_null;
++				tni = ieee80211_ref_node(vap->iv_wdsnode);
++			} else if ((vap->iv_opmode == IEEE80211_M_IBSS) && (vap->iv_state == IEEE80211_S_RUN)) {
++				tni = ieee80211_find_node(&ic->ic_sta, wh->i_addr2);
+ 				found = 1;
+ 			}
+ 			IEEE80211_UNLOCK_IRQ(vap->iv_ic);
+@@ -3583,20 +3574,21 @@ ieee80211_recv_mgmt(struct ieee80211vap 
+ 			if (!found)
+ 				break;
+ 
+-			if (ni_or_null == NULL) {
++			memcpy(&SKB_CB(skb)->beacon_tsf, scan.tstamp, sizeof(u_int64_t));
++
++			if (tni == NULL) {
+ 				if (avp) {
+ 					IEEE80211_LOCK_IRQ(ic);
+-					ni = ieee80211_add_neighbor(avp, wh, &scan);
++					tni = ieee80211_add_neighbor(avp, wh, &scan);
+ 					/* force assoc */
+-					ni->ni_associd |= 0xc000;
+-					avp->iv_wdsnode = ieee80211_ref_node(ni);
++					tni->ni_associd |= 0xc000;
++					avp->iv_wdsnode = ieee80211_ref_node(tni);
+ 					IEEE80211_UNLOCK_IRQ(ic);
+ 				} else if ((vap->iv_opmode == IEEE80211_M_IBSS) &&
+ 				           IEEE80211_ADDR_EQ(wh->i_addr3, vap->iv_bssid)) {
+ 					/* Create a new entry in the neighbor table. */
+-					ni = ieee80211_add_neighbor(vap, wh, &scan);
++					tni = ieee80211_add_neighbor(vap, wh, &scan);
+ 				}
+-				do_unref = 1;
+ 			} else {
+ 				/*
+ 				 * Copy data from beacon to neighbor table.
+@@ -3604,39 +3596,38 @@ ieee80211_recv_mgmt(struct ieee80211vap 
+ 				 * ieee80211_add_neighbor(), so we just copy
+ 				 * everything over to be safe.
+ 				 */
+-				ni->ni_esslen = scan.ssid[1];
+-				memcpy(ni->ni_essid, scan.ssid + 2, scan.ssid[1]);
+-				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 = 
++				tni->ni_esslen = scan.ssid[1];
++				memcpy(tni->ni_essid, scan.ssid + 2, scan.ssid[1]);
++				IEEE80211_ADDR_COPY(tni->ni_bssid, wh->i_addr3);
++				memcpy(tni->ni_tstamp.data, scan.tstamp,
++					sizeof(tni->ni_tstamp));
++				tni->ni_inact = tni->ni_inact_reload;
++				tni->ni_intval =
+ 					IEEE80211_BINTVAL_SANITISE(scan.bintval);
+-				ni->ni_capinfo = scan.capinfo;
+-				ni->ni_chan = ic->ic_curchan;
+-				ni->ni_fhdwell = scan.fhdwell;
+-				ni->ni_fhindex = scan.fhindex;
+-				ni->ni_erp = scan.erp;
+-				ni->ni_timoff = scan.timoff;
++				tni->ni_capinfo = scan.capinfo;
++				tni->ni_chan = ic->ic_curchan;
++				tni->ni_fhdwell = scan.fhdwell;
++				tni->ni_fhindex = scan.fhindex;
++				tni->ni_erp = scan.erp;
++				tni->ni_timoff = scan.timoff;
+ 				if (scan.wme != NULL)
+-					ieee80211_saveie(&ni->ni_wme_ie, scan.wme);
++					ieee80211_saveie(&tni->ni_wme_ie, scan.wme);
+ 				if (scan.wpa != NULL)
+-					ieee80211_saveie(&ni->ni_wpa_ie, scan.wpa);
++					ieee80211_saveie(&tni->ni_wpa_ie, scan.wpa);
+ 				if (scan.rsn != NULL)
+-					ieee80211_saveie(&ni->ni_rsn_ie, scan.rsn);
++					ieee80211_saveie(&tni->ni_rsn_ie, scan.rsn);
+ 				if (scan.ath != NULL)
+-					ieee80211_saveath(ni, scan.ath);
++					ieee80211_saveath(tni, scan.ath);
+ 
+ 				/* NB: must be after ni_chan is setup */
+-				ieee80211_setup_rates(ni, scan.rates,
++				ieee80211_setup_rates(tni, scan.rates,
+ 					scan.xrates, IEEE80211_F_DOSORT);
+ 			}
+-			if (ni != NULL) {
+-				ni->ni_rssi = rssi;
+-				ni->ni_rtsf = rtsf;
+-				ni->ni_last_rx = jiffies;
+-				if (do_unref)
+-					ieee80211_unref_node(&ni);
++			if (tni != NULL) {
++				tni->ni_rssi = rssi;
++				tni->ni_rtsf = rtsf;
++				tni->ni_last_rx = jiffies;
++				ieee80211_unref_node(&tni);
+ 			}
+ 		}
+ 		break;
+--- a/net80211/ieee80211_node.c
++++ b/net80211/ieee80211_node.c
+@@ -53,6 +53,7 @@
+ 
+ #include <net80211/ieee80211_var.h>
+ #include <net80211/if_athproto.h>
++#include <net80211/ieee80211_node.h>
+ 
+ /*
+  * Association IDs are managed with a bit vector.
+@@ -317,16 +318,11 @@ ieee80211_create_ibss(struct ieee80211va
+ 	/* Check to see if we already have a node for this mac
+ 	 * NB: we gain a node reference here
+ 	 */
+-	ni = ieee80211_find_txnode(vap, vap->iv_myaddr);
++	ieee80211_node_table_reset(&ic->ic_sta, vap);
++	ni = ieee80211_alloc_node_table(vap, vap->iv_myaddr);
+ 	if (ni == NULL) {
+-		ni = ieee80211_alloc_node_table(vap, vap->iv_myaddr);
+-		IEEE80211_DPRINTF(vap, IEEE80211_MSG_ASSOC,
+-				  "%s: ni:%p allocated for " MAC_FMT "\n",
+-				  __func__, ni, MAC_ADDR(vap->iv_myaddr));
+-		if (ni == NULL) {
+-			/* XXX recovery? */
+-			return;
+-		}
++		/* XXX recovery? */
++		return;
+ 	}
+ 
+ 	IEEE80211_ADDR_COPY(ni->ni_bssid, vap->iv_myaddr);
+@@ -429,8 +425,8 @@ ieee80211_reset_bss(struct ieee80211vap 
+ 			  __func__, ni, MAC_ADDR(vap->iv_myaddr));
+ 	KASSERT(ni != NULL, ("unable to setup inital BSS node"));
+ 
+-	vap->iv_bss = ieee80211_ref_node(ni);
+-	KASSERT((atomic_read(&vap->iv_bss->ni_refcnt) == 3), 
++	vap->iv_bss = ni;
++	KASSERT((atomic_read(&vap->iv_bss->ni_refcnt) == 2),
+ 		("wrong refcount for new node."));
+ 
+ 	if (obss != NULL) {
+@@ -647,7 +643,7 @@ ieee80211_sta_join1(struct ieee80211_nod
+ 		(vap->iv_state == IEEE80211_S_RUN) && bssid_equal(obss, selbs)); */
+ 	vap->iv_bss = selbs;
+ 	IEEE80211_ADDR_COPY(vap->iv_bssid, selbs->ni_bssid);
+-	if (obss != NULL) {
++	if ((obss != NULL) && (obss != selbs)) {
+ 		if (obss->ni_table)
+ 			ieee80211_node_leave(obss);
+ 		ieee80211_unref_node(&obss);
+--- a/ath/if_ath.c
++++ b/ath/if_ath.c
+@@ -6625,14 +6625,6 @@ ath_recv_mgmt(struct ieee80211vap * vap,
+ 
+ 	sc->sc_recv_mgmt(vap, ni_or_null, skb, subtype, rssi, rtsf);
+ 
+-	/* Lookup the new node if any (this grabs a reference to it) */
+-	ni = ieee80211_find_rxnode(vap->iv_ic, vap,
+-	         (const struct ieee80211_frame_min *)skb->data);
+-	if (ni == NULL) {
+-		DPRINTF(sc, ATH_DEBUG_BEACON, "Dropping; node unknown.\n");
+-		return;
+-	}
+-
+ 	switch (subtype) {
+ 	case IEEE80211_FC0_SUBTYPE_BEACON:
+ 		/* update RSSI statistics for use by the HAL */
+@@ -6654,11 +6646,9 @@ ath_recv_mgmt(struct ieee80211vap * vap,
+ 			 * we do the IBSS merging in software. Also do not merge
+ 			 * if the difference it too small. Otherwise we are playing
+ 			 * tsf-pingpong with other vendors drivers */
+-			beacon_tsf = le64_to_cpu(ni->ni_tstamp.tsf);
+-			if (beacon_tsf > rtsf + 0xffff) {
++			beacon_tsf = le64_to_cpu(SKB_CB(skb)->beacon_tsf);
++			if (beacon_tsf > rtsf + 0xffff)
+ 				ath_hal_settsf64(sc->sc_ah, beacon_tsf - rtsf);
+-				ieee80211_ibss_merge(ni);
+-			}
+ 			break;
+ 		}
+ 		/* NB: Fall Through */
+@@ -6680,13 +6670,21 @@ ath_recv_mgmt(struct ieee80211vap * vap,
+ 			hw_tsf = ath_hal_gettsf64(sc->sc_ah);
+ 			hw_tu  = hw_tsf >> 10;
+ 
+-			beacon_tsf = le64_to_cpu(ni->ni_tstamp.tsf);
++			beacon_tsf = le64_to_cpu(SKB_CB(skb)->beacon_tsf);
+ 			beacon_tu  = beacon_tsf >> 10;
+ 
++			if (!beacon_tsf)
++				break;
++
++			if (IEEE80211_ADDR_EQ(wh->i_addr3, vap->iv_bssid))
++				break;
++
+ 			DPRINTF(sc, ATH_DEBUG_BEACON,
+-					"Beacon transmitted at %10llx, "
++					"Beacon transmitted from "MAC_FMT" ("MAC_FMT") at %10llx, "
+ 					"received at %10llx(%lld), hw TSF "
+ 					"%10llx(%lld)\n",
++					MAC_ADDR(wh->i_addr3),
++					MAC_ADDR(vap->iv_bssid),
+ 					beacon_tsf,
+ 					rtsf, rtsf - beacon_tsf,
+ 					hw_tsf, hw_tsf - beacon_tsf);
+@@ -6699,39 +6697,13 @@ ath_recv_mgmt(struct ieee80211vap * vap,
+ 				do_merge = 1;
+ 			}
+ 
+-			/* Check sc_nexttbtt */
+-			if (sc->sc_nexttbtt < hw_tu) {
+-				DPRINTF(sc, ATH_DEBUG_BEACON,
+-					"sc_nexttbtt (%8x TU) is in the past "
+-					"(tsf %8x TU), updating timers\n",
+-					sc->sc_nexttbtt, hw_tu);
+-				do_merge = 1;
+-			}
+-
+-			intval = ni->ni_intval & HAL_BEACON_PERIOD;
+-#if 0
+-			/* This code is disabled since it would produce
+-			 * unwanted merge. For instance, in a two nodes network
+-			 * A & B, A can merge to B and at the same time, B will
+-			 * merge to A, still having a split */
+-			if (intval != 0) {
+-				if ((sc->sc_nexttbtt % intval) !=
+-						(beacon_tu % intval)) {
+-					DPRINTF(sc, ATH_DEBUG_BEACON,
+-							"ibss merge: "
+-							"sc_nexttbtt %10x TU "
+-							"(%3d) beacon %10x TU "
+-							"(%3d)\n",
+-							sc->sc_nexttbtt,
+-							sc->sc_nexttbtt % intval,
+-							beacon_tu,
+-							beacon_tu % intval);
+-					do_merge = 1;
+-				}
+-			}
+-#endif
+-			if (do_merge)
++			if (do_merge) {
++				/* Lookup the new node if any (this grabs a reference to it) */
++				ni = ieee80211_find_txnode(vap, wh->i_addr2);
++				memcpy(ni->ni_bssid, wh->i_addr3, IEEE80211_ADDR_LEN);
+ 				ieee80211_ibss_merge(ni);
++				ieee80211_unref_node(&ni);
++			}
+ 
+ 			if ((sc->sc_opmode == HAL_M_IBSS) &&
+ 					ath_hw_check_atim(sc, 1, vap->iv_bss->ni_intval))
+@@ -6739,8 +6711,6 @@ ath_recv_mgmt(struct ieee80211vap * vap,
+ 		}
+ 		break;
+ 	}
+-
+-	ieee80211_unref_node(&ni);
+ }
+ 
+ static void
+--- a/net80211/ieee80211_linux.h
++++ b/net80211/ieee80211_linux.h
+@@ -411,7 +411,7 @@ typedef spinlock_t acl_lock_t;
+  *     8 bytes so we reserve/avoid it.
+  */
+ 	struct ieee80211_cb {
+-	u_int8_t vlan[8];			/* reserve for vlan tag info */
++	u_int64_t beacon_tsf;
+ 	struct ieee80211_node *ni;
+ 	u_int32_t flags;
+ #define	M_LINK0		0x01			/* frame needs WEP encryption */
+--- a/net80211/ieee80211_scan_sta.c
++++ b/net80211/ieee80211_scan_sta.c
+@@ -1125,11 +1125,8 @@ adhoc_default_action(struct ieee80211vap
+ 	u_int8_t zeroMacAddr[IEEE80211_ADDR_LEN];
+ 
+ 	memset(&zeroMacAddr, 0, IEEE80211_ADDR_LEN);
+-	if (IEEE80211_ADDR_EQ(se->se_bssid, &zeroMacAddr[0])) {
+-		ieee80211_create_ibss(vap, se->se_chan);
+-		return 1;
+-	} else
+-		return ieee80211_sta_join(vap, se);
++	ieee80211_create_ibss(vap, se->se_chan);
++	return 1;
+ }
+ 
+ static const struct ieee80211_scanner adhoc_default = {
diff --git a/package/madwifi/patches/452-minstrel_no_timer.patch b/package/madwifi/patches/452-minstrel_no_timer.patch
new file mode 100644
index 0000000000..e7f2deac1c
--- /dev/null
+++ b/package/madwifi/patches/452-minstrel_no_timer.patch
@@ -0,0 +1,134 @@
+--- a/ath_rate/minstrel/minstrel.c
++++ b/ath_rate/minstrel/minstrel.c
+@@ -119,6 +119,7 @@
+ #include "minstrel.h"
+ 
+ #define ONE_SECOND (1000 * 1000)  /* 1 second, or 1000 milliseconds; eternity, in other words */
++#define TIMER_INTERVAL 100 /* msecs */
+ 
+ #include "release.h"
+ 
+@@ -128,9 +129,6 @@ static char *dev_info = "ath_rate_minstr
+ #define STALE_FAILURE_TIMEOUT_MS 10000
+ #define ENABLE_MRR 1
+ 
+-static int ath_timer_interval = (1000 / 10); /* every 1/10 second, timer runs */
+-static void ath_timer_function(unsigned long data);
+-
+ /* 10% of the time, send a packet at something other than the optimal rate, which fills
+  * the statistics tables nicely. This percentage is applied to the first packet of the
+  * multi rate retry chain. */
+@@ -142,7 +140,7 @@ static void ath_rate_ctl_reset(struct at
+ /* Calculate the throughput and probability of success for each node
+  * we are talking on, based on the statistics collected during the
+  * last timer period. */
+-static void ath_rate_statistics(void *arg, struct ieee80211_node *ni);
++static void ath_rate_statistics(struct ieee80211_node *ni);
+ 
+ 
+ #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,52))
+@@ -204,6 +202,11 @@ ath_rate_findrate(struct ath_softc *sc, 
+ 		unsigned int ndx, offset;
+ 		int mrr;
+ 
++
++		if (sn->last_update + msecs_to_jiffies(TIMER_INTERVAL) < jiffies) {
++			ath_rate_statistics(&an->an_node);
++			sn->last_update = jiffies;
++		}
+ 		if (sn->num_rates <= 0) {
+ 			    printk(KERN_WARNING "%s: no rates for " MAC_FMT "?\n",
+ 			           dev_info,
+@@ -640,54 +643,11 @@ ath_rate_newstate(struct ieee80211vap *v
+ 		}
+ }
+ 
+-static void
+-ath_timer_function(unsigned long data)
+-{
+-		struct minstrel_softc *ssc = (struct minstrel_softc *) data;
+-		struct ath_softc *sc = ssc->sc;
+-		struct ieee80211com *ic;
+-		struct net_device *dev = ssc->sc_dev;
+-		struct timer_list *timer;
+-		unsigned int interval = ath_timer_interval;
+-
+-		if (dev == NULL)
+-			DPRINTF(sc, ATH_DEBUG_RATE, "%s: 'dev' is null in this timer \n", __func__);
+-
+-		if (sc == NULL)
+-			DPRINTF(sc, ATH_DEBUG_RATE, "%s: 'sc' is null in this timer\n", __func__);
+-
+-		ic = &sc->sc_ic;
+-
+-		if (ssc->close_timer_now)
+-			return;
+-
+-		if (dev->flags & IFF_RUNNING) {
+-			sc->sc_stats.ast_rate_calls++;
+-
+-			if (ic->ic_opmode == IEEE80211_M_STA) {
+-				struct ieee80211vap *tmpvap;
+-				TAILQ_FOREACH(tmpvap, &ic->ic_vaps, iv_next) {
+-					ath_rate_statistics(sc, tmpvap->iv_bss);/* NB: no reference */
+-				}
+-			} else
+-			            ieee80211_iterate_nodes(&ic->ic_sta, ath_rate_statistics, sc);
+-		}
+-
+-		if (ic->ic_opmode == IEEE80211_M_STA)
+-			interval = ath_timer_interval >> 1;
+-
+-		timer  = &(ssc->timer);
+-		if (timer == NULL)
+-			DPRINTF(sc, ATH_DEBUG_RATE, "%s: timer is null - leave it\n", __func__);
+-
+-		timer->expires = jiffies + ((HZ * interval) / 1000);
+-		add_timer(timer);
+-}
+ 
+ static void
+-ath_rate_statistics(void *arg, struct ieee80211_node *ni)
++ath_rate_statistics(struct ieee80211_node *ni)
+ {
+-		struct ath_node *an = (struct ath_node *) ni;
++		struct ath_node *an = ATH_NODE(ni);
+ 		struct ieee80211_rateset *rs = &ni->ni_rates;
+ 		struct minstrel_node *rn = ATH_NODE_MINSTREL(an);
+ 		unsigned int i;
+@@ -786,15 +746,8 @@ ath_rate_attach(struct ath_softc *sc)
+ 		osc->arc.arc_space = sizeof(struct minstrel_node);
+ 		osc->arc.arc_vap_space = 0;
+ 
+-		osc->close_timer_now = 0;
+-		init_timer(&osc->timer);
+  	osc->sc          = sc;
+ 		osc->sc_dev      = sc->sc_dev;
+-		osc->timer.function = ath_timer_function;
+-		osc->timer.data = (unsigned long)osc;
+-
+-		osc->timer.expires = jiffies + HZ;
+-		add_timer(&osc->timer);
+ 
+ 		return &osc->arc;
+ }
+@@ -803,8 +756,6 @@ static void
+ ath_rate_detach(struct ath_ratectrl *arc)
+ {
+  	struct minstrel_softc *osc = (struct minstrel_softc *) arc;
+-		osc->close_timer_now = 1;
+-		del_timer(&osc->timer);
+ 		kfree(osc);
+ 		_MOD_DEC_USE(THIS_MODULE);
+ }
+--- a/ath_rate/minstrel/minstrel.h
++++ b/ath_rate/minstrel/minstrel.h
+@@ -167,6 +167,8 @@ struct minstrel_node {
+ 	       packet, or a packet at an optimal rate.*/
+ 	int random_n;
+ 	int a, b;          /**Coefficients of the random thing */
++
++	unsigned long last_update;
+ };
+ 
+