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-rw-r--r--package/madwifi/patches/371-wds_sta_separation.patch815
1 files changed, 0 insertions, 815 deletions
diff --git a/package/madwifi/patches/371-wds_sta_separation.patch b/package/madwifi/patches/371-wds_sta_separation.patch
deleted file mode 100644
index 7da1881d2..000000000
--- a/package/madwifi/patches/371-wds_sta_separation.patch
+++ /dev/null
@@ -1,815 +0,0 @@
---- a/net80211/ieee80211_input.c
-+++ b/net80211/ieee80211_input.c
-@@ -202,6 +202,7 @@ ieee80211_input(struct ieee80211vap * va
- 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;
-@@ -447,7 +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",
-@@ -457,16 +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))) {
-@@ -494,24 +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:
-@@ -553,14 +548,30 @@ ieee80211_input(struct ieee80211vap * va
- vap->iv_stats.is_rx_notassoc++;
- goto err;
- }
-+
-+ /* subif isn't fully set up yet, drop the frame */
-+ if (ni->ni_subif == ni->ni_vap)
-+ goto err;
-+
- /*
- * If we're a 4 address packet, make sure we have an entry in
- * the node table for the packet source address (addr4).
- * If not, add one.
- */
-+ /* check for wds link first */
-+ if ((dir == IEEE80211_FC1_DIR_DSTODS) && !ni->ni_subif) {
-+ if (vap->iv_flags_ext & IEEE80211_FEXT_WDSSEP) {
-+ ieee80211_wds_addif(ni);
-+ /* we must drop frames here until the interface has
-+ * been fully separated, otherwise a bridge might get
-+ * confused */
-+ goto err;
-+ }
-+ }
-
- /* XXX: Useless node mgmt API; make better */
-- if ((dir == IEEE80211_FC1_DIR_DSTODS) && !vap->iv_wdsnode && !ni_wds) {
-+ 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;
-
-@@ -620,6 +631,11 @@ ieee80211_input(struct ieee80211vap * va
- goto out;
- }
-
-+ /* check if there is any data left */
-+ hdrspace = ieee80211_hdrspace(ic, wh);
-+ if (skb->len < hdrspace)
-+ goto out;
-+
- /*
- * Handle privacy requirements. Note that we
- * must not be preempted from here until after
-@@ -692,8 +708,12 @@ ieee80211_input(struct ieee80211vap * va
- if (! accept_data_frame(vap, ni, key, skb, eh))
- goto out;
-
-- vap->iv_devstats.rx_packets++;
-- vap->iv_devstats.rx_bytes += skb->len;
-+ if (ni->ni_subif && ((eh)->ether_type != __constant_htons(ETHERTYPE_PAE)))
-+ stats = &ni->ni_subif->iv_devstats;
-+ else
-+ stats = &vap->iv_devstats;
-+ stats->rx_packets++;
-+ stats->rx_bytes += skb->len;
- IEEE80211_NODE_STAT(ni, rx_data);
- IEEE80211_NODE_STAT_ADD(ni, rx_bytes, skb->len);
- ic->ic_lastdata = jiffies;
-@@ -1126,6 +1146,13 @@ ieee80211_deliver_data(struct ieee80211_
- dev = vap->iv_xrvap->iv_dev;
- #endif
-
-+ /* if the node has a wds subif, move data frames there,
-+ * but keep EAP traffic on the master */
-+ if (ni->ni_subif && ((eh)->ether_type != __constant_htons(ETHERTYPE_PAE))) {
-+ vap = ni->ni_subif;
-+ dev = vap->iv_dev;
-+ }
-+
- /* perform as a bridge within the vap */
- /* XXX intra-vap bridging only */
- if (vap->iv_opmode == IEEE80211_M_HOSTAP &&
-@@ -1151,7 +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;
- }
---- a/net80211/ieee80211_ioctl.h
-+++ b/net80211/ieee80211_ioctl.h
-@@ -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_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_ */
-
---- a/net80211/ieee80211_var.h
-+++ b/net80211/ieee80211_var.h
-@@ -322,6 +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 */
-@@ -625,6 +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)
---- a/net80211/ieee80211_wireless.c
-+++ b/net80211/ieee80211_wireless.c
-@@ -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;
- }
-@@ -4450,6 +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 ||
-@@ -4469,6 +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 ||
-@@ -5770,6 +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
- /*
-@@ -5893,6 +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:
-@@ -5901,8 +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);
---- a/net80211/ieee80211_node.c
-+++ b/net80211/ieee80211_node.c
-@@ -47,6 +47,7 @@
- #include <linux/netdevice.h>
- #include <linux/etherdevice.h>
- #include <linux/random.h>
-+#include <linux/rtnetlink.h>
-
- #include "if_media.h"
-
-@@ -236,7 +237,11 @@ void
- ieee80211_node_vdetach(struct ieee80211vap *vap)
- {
- struct ieee80211com *ic = vap->iv_ic;
-+ struct ieee80211_node *ni;
-
-+ ni = vap->iv_wdsnode;
-+ if (ni)
-+ ni->ni_subif = NULL;
- ieee80211_node_table_reset(&ic->ic_sta, vap);
- if (vap->iv_bss != NULL) {
- ieee80211_unref_node(&vap->iv_bss);
-@@ -1140,6 +1145,57 @@ 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;
-+ 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:
-+ rtnl_unlock();
-+ ieee80211_unref_node(&ni);
-+}
-+#undef WDSIFNAME
-+
-+void ieee80211_wds_addif(struct ieee80211_node *ni)
-+{
-+ /* check if the node is split out already,
-+ * or if we're in progress of setting up a new interface already */
-+ if (ni->ni_subif)
-+ return;
-+
-+ ieee80211_ref_node(ni);
-+ ni->ni_subif = ni->ni_vap;
-+ IEEE80211_INIT_WORK(&ni->ni_create, ieee80211_wds_do_addif);
-+ schedule_work(&ni->ni_create);
-+}
-+
- /* Add wds address to the node table */
- int
- #ifdef IEEE80211_DEBUG_REFCNT
-@@ -2285,6 +2341,36 @@ ieee80211_node_leave_11g(struct ieee8021
- }
- }
-
-+static void
-+ieee80211_subif_destroy(struct work_struct *work)
-+{
-+ struct ieee80211_node *ni = container_of(work, struct ieee80211_node, ni_destroy);
-+ struct ieee80211vap *vap;
-+ struct ieee80211com *ic;
-+
-+ rtnl_lock();
-+ vap = ni->ni_subif;
-+
-+ /* if addif is waiting for the timer to fire, cancel! */
-+ if (vap == ni->ni_vap) {
-+ ni->ni_subif = NULL;
-+ goto done;
-+ }
-+
-+ if (!vap)
-+ goto done;
-+
-+ ic = vap->iv_ic;
-+ ni->ni_subif = NULL;
-+ ieee80211_stop(vap->iv_dev);
-+ ic->ic_vap_delete(vap);
-+ ic->ic_subifs--;
-+
-+done:
-+ ieee80211_unref_node(&ni);
-+ rtnl_unlock();
-+}
-+
- /*
- * Handle bookkeeping for a station/neighbor leaving
- * the bss when operating in ap or adhoc modes.
-@@ -2301,6 +2387,12 @@ 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_linux.h
-+++ b/net80211/ieee80211_linux.h
-@@ -81,6 +81,12 @@ set_quality(struct iw_quality *iq, u_int
- #endif
- }
-
-+#ifndef container_of
-+#define container_of(ptr, type, member) ({ \
-+ const typeof( ((type *)0)->member ) *__mptr = (ptr); \
-+ (type *)( (char *)__mptr - offsetof(type,member) );})
-+#endif
-+
- /*
- * Task deferral
- *
-@@ -113,6 +119,29 @@ typedef void *IEEE80211_TQUEUE_ARG;
-
- #define IEEE80211_RESCHEDULE schedule
-
-+#include <linux/sched.h>
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,41)
-+#include <linux/tqueue.h>
-+#define work_struct tq_struct
-+#define schedule_work(t) schedule_task((t))
-+#define flush_scheduled_work() flush_scheduled_tasks()
-+#define IEEE80211_INIT_WORK(t, f) do { \
-+ memset((t), 0, sizeof(struct tq_struct)); \
-+ (t)->routine = (void (*)(void*)) (f); \
-+ (t)->data=(void *) (t); \
-+} while (0)
-+#else
-+#include <linux/workqueue.h>
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)
-+#define IEEE80211_INIT_WORK(_t, _f) INIT_WORK((_t), (void (*)(void *))(_f), (_t));
-+#else
-+#define IEEE80211_INIT_WORK(_t, _f) INIT_WORK((_t), (_f));
-+#endif
-+
-+#endif /* KERNEL_VERSION < 2.5.41 */
-+
-+
- /* Locking */
- /* NB: beware, spin_is_locked() is not usefully defined for !(DEBUG || SMP)
- * because spinlocks do not exist in this configuration. Instead IRQs
---- a/net80211/ieee80211_proto.c
-+++ b/net80211/ieee80211_proto.c
-@@ -1081,6 +1081,8 @@ ieee80211_init(struct net_device *dev, i
- int
- ieee80211_open(struct net_device *dev)
- {
-+ struct ieee80211vap *vap = dev->priv;
-+
- return ieee80211_init(dev, 0);
- }
-
-@@ -1123,6 +1125,7 @@ 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,
-@@ -1138,6 +1141,27 @@ ieee80211_stop(struct net_device *dev)
- 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 */
-@@ -1653,6 +1677,7 @@ __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.
-@@ -1912,8 +1937,15 @@ 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/net80211/ieee80211.c
-+++ b/net80211/ieee80211.c
-@@ -373,10 +373,25 @@ void
- ieee80211_ifdetach(struct ieee80211com *ic)
- {
- struct ieee80211vap *vap;
-+ int count;
-+
-+ /* bring down all vaps */
-+ TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) {
-+ ieee80211_stop(vap->iv_dev);
-+ }
-+
-+ /* wait for all subifs to disappear */
-+ do {
-+ schedule();
-+ rtnl_lock();
-+ count = ic->ic_subifs;
-+ rtnl_unlock();
-+ } while (count > 0);
-
- rtnl_lock();
-- while ((vap = TAILQ_FIRST(&ic->ic_vaps)) != NULL)
-+ while ((vap = TAILQ_FIRST(&ic->ic_vaps)) != NULL) {
- ic->ic_vap_delete(vap);
-+ }
- rtnl_unlock();
-
- del_timer(&ic->ic_dfs_excl_timer);
-@@ -600,8 +615,10 @@ ieee80211_vap_detach(struct ieee80211vap
-
- IEEE80211_CANCEL_TQUEUE(&vap->iv_stajoin1tq);
- IEEE80211_LOCK_IRQ(ic);
-- 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);
---- 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_output.c
-+++ b/net80211/ieee80211_output.c
-@@ -252,6 +252,10 @@ ieee80211_hardstart(struct sk_buff *skb,
- goto bad;
- }
-
-+ if (ni->ni_subif && (vap != ni->ni_subif) &&
-+ ((eh)->ether_type != __constant_htons(ETHERTYPE_PAE)))
-+ goto bad;
-+
- /* calculate priority so drivers can find the TX queue */
- if (ieee80211_classify(ni, skb)) {
- IEEE80211_NOTE(vap, IEEE80211_MSG_OUTPUT, ni,
-@@ -331,20 +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);
-@@ -386,6 +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
- }
-
-@@ -407,9 +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 */
-@@ -455,6 +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 */
-@@ -463,9 +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 */
-@@ -503,6 +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);
-@@ -514,11 +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 */
-@@ -532,10 +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);
-
-@@ -777,6 +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:
-@@ -796,20 +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;
-@@ -1680,9 +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/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;