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@@ -0,0 +1,423 @@
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+--- a/net80211/ieee80211_node.c
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++++ b/net80211/ieee80211_node.c
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+@@ -123,6 +123,9 @@ static void ieee80211_node_table_cleanup
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+ static void ieee80211_node_table_reset(struct ieee80211_node_table *,
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+ struct ieee80211vap *);
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+
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++static struct ieee80211_node *
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++lookup_rxnode(struct ieee80211com *ic, struct ieee80211vap *vap, const u_int8_t *addr);
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++
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+ MALLOC_DEFINE(M_80211_NODE, "80211node", "802.11 node state");
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+
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+ void
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+@@ -697,7 +700,7 @@ ieee80211_sta_join(struct ieee80211vap *
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+ struct ieee80211com *ic = vap->iv_ic;
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+ struct ieee80211_node *ni;
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+
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+- ni = ieee80211_find_node(&ic->ic_sta, se->se_macaddr);
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++ ni = lookup_rxnode(ic, vap, se->se_macaddr);
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+ if (ni == NULL) {
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+ ni = ieee80211_alloc_node_table(vap, se->se_macaddr);
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+ IEEE80211_DPRINTF(vap, IEEE80211_MSG_ASSOC,
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+@@ -1391,6 +1394,53 @@ ieee80211_add_neighbor(struct ieee80211v
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+ return ni;
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+ }
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+
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++struct ieee80211vap *
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++ieee80211_find_rxvap(struct ieee80211com *ic, const u_int8_t *mac)
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++{
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++ struct ieee80211vap *vap;
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++
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++ TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) {
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++ if (IEEE80211_ADDR_EQ(vap->iv_myaddr, mac))
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++ return vap;
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++ }
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++ return NULL;
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++}
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++EXPORT_SYMBOL(ieee80211_find_rxvap);
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++
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++static struct ieee80211_node *
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++lookup_rxnode(struct ieee80211com *ic, struct ieee80211vap *vap,
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++ const u_int8_t *addr)
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++{
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++ struct ieee80211_node_table *nt;
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++ struct ieee80211_node *ni = NULL;
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++ int use_bss = 0;
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++ int hash;
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++
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++ nt = &ic->ic_sta;
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++ IEEE80211_NODE_TABLE_LOCK_IRQ(nt);
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++ hash = IEEE80211_NODE_HASH(addr);
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++ LIST_FOREACH(ni, &nt->nt_hash[hash], ni_hash) {
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++ if (IEEE80211_ADDR_EQ(ni->ni_macaddr, addr)) {
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++ /* allow multiple nodes on different vaps */
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++ if (vap && (ni->ni_vap != vap))
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++ continue;
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++
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++ ieee80211_ref_node(ni);
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++ goto out;
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++ }
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++ }
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++
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++ /* no match found */
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++ ni = NULL;
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++
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++out:
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++ IEEE80211_NODE_TABLE_UNLOCK_IRQ(nt);
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++ return ni;
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++#undef IS_PSPOLL
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++#undef IS_CTL
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++}
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++
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++
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+ /*
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+ * Return the node for the sender of a frame; if the sender is unknown return
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+ * NULL. The caller is expected to deal with this. (The frame is sent to all
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+@@ -1400,10 +1450,10 @@ ieee80211_add_neighbor(struct ieee80211v
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+ */
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+ struct ieee80211_node *
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+ #ifdef IEEE80211_DEBUG_REFCNT
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+-ieee80211_find_rxnode_debug(struct ieee80211com *ic,
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++ieee80211_find_rxnode_debug(struct ieee80211com *ic, struct ieee80211vap *vap,
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+ const struct ieee80211_frame_min *wh, const char *func, int line)
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+ #else
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+-ieee80211_find_rxnode(struct ieee80211com *ic,
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++ieee80211_find_rxnode(struct ieee80211com *ic, struct ieee80211vap *vap,
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+ const struct ieee80211_frame_min *wh)
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+ #endif
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+ {
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+@@ -1411,9 +1461,8 @@ ieee80211_find_rxnode(struct ieee80211co
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+ ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) == IEEE80211_FC0_TYPE_CTL)
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+ #define IS_PSPOLL(wh) \
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+ ((wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK) == IEEE80211_FC0_SUBTYPE_PS_POLL)
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+- struct ieee80211_node_table *nt;
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+- struct ieee80211_node *ni;
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+- struct ieee80211vap *vap, *avp;
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++ struct ieee80211_node *ni = NULL;
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++ struct ieee80211vap *avp;
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+ const u_int8_t *addr;
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+
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+ if (IS_CTL(wh) && !IS_PSPOLL(wh) /*&& !IS_RTS(ah)*/)
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+@@ -1426,32 +1475,21 @@ ieee80211_find_rxnode(struct ieee80211co
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+
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+ /* XXX check ic_bss first in station mode */
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+ /* XXX 4-address frames? */
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+- nt = &ic->ic_sta;
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+- IEEE80211_NODE_TABLE_LOCK_IRQ(nt);
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+ if ((wh->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS) {
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+- TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) {
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++ if (vap) { /* assume unicast if vap is set, mcast not supported for wds */
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+ TAILQ_FOREACH(avp, &vap->iv_wdslinks, iv_wdsnext) {
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+- if (!IEEE80211_ADDR_EQ(addr, avp->wds_mac))
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++ if (!IEEE80211_ADDR_EQ(addr, avp->wds_mac) ||
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++ !IEEE80211_ADDR_EQ(wh->i_addr1, avp->iv_myaddr))
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+ continue;
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+
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+ if (avp->iv_wdsnode)
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+- return ieee80211_ref_node(avp->iv_wdsnode);
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+- else
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+- return NULL;
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++ ni = ieee80211_ref_node(avp->iv_wdsnode);
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+ }
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+ }
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++ return ni;
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+ }
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+
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+-#ifdef IEEE80211_DEBUG_REFCNT
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+- ni = ieee80211_find_node_locked_debug(nt, addr, func, line);
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+-#else
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+- ni = ieee80211_find_node_locked(nt, addr);
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+-#endif
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+- IEEE80211_NODE_TABLE_UNLOCK_IRQ(nt);
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+-
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+- return ni;
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+-#undef IS_PSPOLL
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+-#undef IS_CTL
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++ return lookup_rxnode(ic, vap, addr);
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+ }
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+ #ifdef IEEE80211_DEBUG_REFCNT
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+ EXPORT_SYMBOL(ieee80211_find_rxnode_debug);
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+@@ -1476,15 +1514,14 @@ ieee80211_find_txnode(struct ieee80211va
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+ struct ieee80211com *ic = vap->iv_ic;
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+ struct ieee80211_node_table *nt;
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+ struct ieee80211_node *ni = NULL;
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++ int hash;
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+
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+- IEEE80211_LOCK_IRQ(ic);
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+ if (vap->iv_opmode == IEEE80211_M_WDS) {
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+ if (vap->iv_wdsnode && (vap->iv_state == IEEE80211_S_RUN))
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+ return ieee80211_ref_node(vap->iv_wdsnode);
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+ else
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+ return NULL;
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+ }
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+- IEEE80211_UNLOCK_IRQ(ic);
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+
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+ /*
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+ * The destination address should be in the node table
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+@@ -1502,11 +1539,22 @@ ieee80211_find_txnode(struct ieee80211va
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+ /* XXX: Can't hold lock across dup_bss due to recursive locking. */
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+ nt = &vap->iv_ic->ic_sta;
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+ IEEE80211_NODE_TABLE_LOCK_IRQ(nt);
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++ hash = IEEE80211_NODE_HASH(mac);
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++ LIST_FOREACH(ni, &nt->nt_hash[hash], ni_hash) {
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++ if (ni->ni_vap != vap)
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++ continue;
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++
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++ if (IEEE80211_ADDR_EQ(ni->ni_macaddr, mac)) {
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+ #ifdef IEEE80211_DEBUG_REFCNT
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+- ni = ieee80211_find_node_locked_debug(nt, mac, func, line);
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++ ieee80211_ref_node_debug(ni, func, line);
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+ #else
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+- ni = ieee80211_find_node_locked(nt, mac);
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++ ieee80211_ref_node(ni);
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+ #endif
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++ goto found;
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++ }
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++ }
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++ ni = NULL;
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++found:
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+ IEEE80211_NODE_TABLE_UNLOCK_IRQ(nt);
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+
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+ if (ni == NULL) {
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+@@ -1961,13 +2009,29 @@ remove_worse_nodes(void *arg, struct iee
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+ }
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+ }
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+
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++static void
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++remove_duplicate_nodes(void *arg, struct ieee80211_node *ni)
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++{
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++ struct ieee80211_node *rni = arg;
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++
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++ if (ni == rni)
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++ return;
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++
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++ if (ni->ni_vap == rni->ni_vap)
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++ return;
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++
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++ ieee80211_node_leave(ni);
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++}
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++
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+ void
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+ ieee80211_node_join(struct ieee80211_node *ni, int resp)
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+ {
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+ struct ieee80211com *ic = ni->ni_ic;
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+ struct ieee80211vap *vap = ni->ni_vap;
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++ struct ieee80211_node *tni;
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+ int newassoc;
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+
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++ ieee80211_iterate_nodes(&ic->ic_sta, remove_duplicate_nodes, ni);
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+ if (ni->ni_associd == 0) {
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+ u_int16_t aid;
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+
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+--- a/net80211/ieee80211_input.c
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++++ b/net80211/ieee80211_input.c
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+@@ -227,15 +227,22 @@ ieee80211_input(struct ieee80211vap * va
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+ if (!dev)
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+ goto out;
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+
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++ if ((vap->iv_dev->flags & (IFF_UP|IFF_RUNNING)) != (IFF_UP|IFF_RUNNING))
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++ goto out;
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++
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++ if (!vap->iv_bss)
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++ goto out;
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++
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+ /* initialize ni as in the previous API */
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+ if (ni_or_null == NULL) {
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+ /* This function does not 'own' vap->iv_bss, so we cannot
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+ * guarantee its existence during the following call, hence
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+ * briefly grab our own reference. */
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+ ni = ieee80211_ref_node(vap->iv_bss);
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++ KASSERT(ni != NULL, ("null node"));
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++ } else {
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++ ni->ni_inact = ni->ni_inact_reload;
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+ }
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+- KASSERT(ni != NULL, ("null node"));
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+- ni->ni_inact = ni->ni_inact_reload;
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+
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+ KASSERT(skb->len >= sizeof(struct ieee80211_frame_min),
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+ ("frame length too short: %u", skb->len));
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+@@ -933,16 +940,23 @@ int
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+ ieee80211_input_all(struct ieee80211com *ic,
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+ struct sk_buff *skb, int rssi, u_int64_t rtsf)
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+ {
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++ struct ieee80211_frame_min *wh = (struct ieee80211_frame_min *) skb->data;
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+ struct ieee80211vap *vap;
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+ int type = -1;
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+
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+ /* XXX locking */
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+ TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) {
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++ struct ieee80211_node *ni = NULL;
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+ struct sk_buff *skb1;
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+
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+ if ((vap->iv_dev->flags & (IFF_UP|IFF_RUNNING)) != (IFF_UP|IFF_RUNNING))
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+ continue;
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+
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++ if ((vap->iv_opmode == IEEE80211_M_HOSTAP) &&
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++ !IEEE80211_IS_MULTICAST(wh->i_addr1))
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++ continue;
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++
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++ ni = ieee80211_find_rxnode(ic, vap, wh);
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+ if (TAILQ_NEXT(vap, iv_next) != NULL) {
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+ skb1 = skb_copy(skb, GFP_ATOMIC);
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+ if (skb1 == NULL) {
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+@@ -954,8 +968,10 @@ ieee80211_input_all(struct ieee80211com
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+ skb1 = skb;
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+ skb = NULL;
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+ }
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+- type = ieee80211_input(vap, NULL, skb1, rssi, rtsf);
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++ type = ieee80211_input(vap, ni, skb1, rssi, rtsf);
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+ }
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++
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++out:
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+ if (skb != NULL) /* no vaps, reclaim skb */
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+ ieee80211_dev_kfree_skb(&skb);
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+ return type;
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+@@ -1146,11 +1162,9 @@ ieee80211_deliver_data(struct ieee80211_
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+ * sending it will not work; just let it be
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+ * delivered normally.
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+ */
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+- struct ieee80211_node *ni1 = ieee80211_find_node(
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+- &vap->iv_ic->ic_sta, eh->ether_dhost);
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++ struct ieee80211_node *ni1 = ieee80211_find_txnode(vap, eh->ether_dhost);
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+ if (ni1 != NULL) {
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+- if (ni1->ni_vap == vap &&
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+- ieee80211_node_is_authorized(ni1) &&
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++ if (ieee80211_node_is_authorized(ni1) &&
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+ !ni1->ni_subif &&
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+ ni1 != vap->iv_bss) {
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+
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|
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+--- a/ath/if_ath.c
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++++ b/ath/if_ath.c
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+@@ -6577,9 +6577,8 @@ ath_recv_mgmt(struct ieee80211vap * vap,
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+
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+ sc->sc_recv_mgmt(vap, ni_or_null, skb, subtype, rssi, rtsf);
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+
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+-
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+ /* Lookup the new node if any (this grabs a reference to it) */
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+- ni = ieee80211_find_rxnode(vap->iv_ic,
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++ ni = ieee80211_find_rxnode(vap->iv_ic, vap,
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+ (const struct ieee80211_frame_min *)skb->data);
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+ if (ni == NULL) {
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+ DPRINTF(sc, ATH_DEBUG_BEACON, "Dropping; node unknown.\n");
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+@@ -6734,7 +6733,9 @@ ath_rx_poll(struct net_device *dev, int
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+ struct ath_desc *ds;
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+ struct ath_rx_status *rs;
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+ struct sk_buff *skb = NULL;
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++ struct ieee80211vap *vap;
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+ struct ieee80211_node *ni;
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++ const struct ieee80211_frame_min *wh;
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+ unsigned int len;
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+ int type;
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+ u_int phyerr;
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+@@ -6889,12 +6890,15 @@ rx_accept:
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+ skb_trim(skb, skb->len - IEEE80211_CRC_LEN);
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+
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+ if (mic_fail) {
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++ wh = (const struct ieee80211_frame_min *) skb->data;
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++
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+ /* Ignore control frames which are reported with mic error */
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+- if ((((struct ieee80211_frame *)skb->data)->i_fc[0] &
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|
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++ if ((wh->i_fc[0] &
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+ IEEE80211_FC0_TYPE_MASK) == IEEE80211_FC0_TYPE_CTL)
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+ goto drop_micfail;
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+
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|
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+- ni = ieee80211_find_rxnode(ic, (const struct ieee80211_frame_min *) skb->data);
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|
|
++ vap = ieee80211_find_rxvap(ic, wh->i_addr1);
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++ ni = ieee80211_find_rxnode(ic, vap, wh);
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+
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+ if (ni && ni->ni_table) {
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+ ieee80211_check_mic(ni, skb);
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|
+@@ -6956,11 +6960,24 @@ drop_micfail:
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+ * for its use. If the sender is unknown spam the
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+ * frame; it'll be dropped where it's not wanted.
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+ */
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+- if (rs->rs_keyix != HAL_RXKEYIX_INVALID &&
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|
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++ wh = (const struct ieee80211_frame_min *) skb->data;
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++ if ((rs->rs_keyix != HAL_RXKEYIX_INVALID) &&
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+ (ni = sc->sc_keyixmap[rs->rs_keyix]) != NULL) {
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+ /* Fast path: node is present in the key map;
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+ * grab a reference for processing the frame. */
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+- ni = ieee80211_ref_node(ni);
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++ ieee80211_ref_node(ni);
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|
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++ if ((ATH_GET_VAP_ID(wh->i_addr1) !=
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|
|
++ ATH_GET_VAP_ID(ni->ni_vap->iv_myaddr)) ||
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|
|
++ ((wh->i_fc[1] & IEEE80211_FC1_DIR_MASK) ==
|
|
|
++ IEEE80211_FC1_DIR_DSTODS)) {
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|
|
++ /* key cache node lookup is fast, but it can
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|
|
++ * lead to problems in multi-bss (foreign vap
|
|
|
++ * node reference) or wds (wdsap node ref instead
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|
|
++ * of base ap node ref).
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|
|
++ * use slowpath lookup in both cases
|
|
|
++ */
|
|
|
++ goto lookup_slowpath;
|
|
|
++ }
|
|
|
+ ATH_RSSI_LPF(ATH_NODE(ni)->an_avgrssi, rs->rs_rssi);
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|
|
+ type = ieee80211_input(ni->ni_vap, ni, skb, rs->rs_rssi, bf->bf_tsf);
|
|
|
+ ieee80211_unref_node(&ni);
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|
|
+@@ -6969,24 +6986,35 @@ drop_micfail:
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|
|
+ * No key index or no entry, do a lookup and
|
|
|
+ * add the node to the mapping table if possible.
|
|
|
+ */
|
|
|
+- ni = ieee80211_find_rxnode(ic,
|
|
|
+- (const struct ieee80211_frame_min *)skb->data);
|
|
|
++
|
|
|
++lookup_slowpath:
|
|
|
++ vap = ieee80211_find_rxvap(ic, wh->i_addr1);
|
|
|
++ if (vap)
|
|
|
++ ni = ieee80211_find_rxnode(ic, vap, wh);
|
|
|
++ else
|
|
|
++ ni = NULL;
|
|
|
++
|
|
|
+ if (ni != NULL) {
|
|
|
+ ieee80211_keyix_t keyix;
|
|
|
+
|
|
|
+ ATH_RSSI_LPF(ATH_NODE(ni)->an_avgrssi, rs->rs_rssi);
|
|
|
+- type = ieee80211_input(ni->ni_vap, ni, skb, rs->rs_rssi, bf->bf_tsf);
|
|
|
++ type = ieee80211_input(vap, ni, skb, rs->rs_rssi, bf->bf_tsf);
|
|
|
+ /*
|
|
|
+ * If the station has a key cache slot assigned
|
|
|
+ * update the key->node mapping table.
|
|
|
+ */
|
|
|
+ keyix = ni->ni_ucastkey.wk_keyix;
|
|
|
+ if (keyix != IEEE80211_KEYIX_NONE &&
|
|
|
+- sc->sc_keyixmap[keyix] == NULL)
|
|
|
++ sc->sc_keyixmap[keyix] == NULL) {
|
|
|
+ sc->sc_keyixmap[keyix] = ieee80211_ref_node(ni);
|
|
|
++ }
|
|
|
+ ieee80211_unref_node(&ni);
|
|
|
+- } else
|
|
|
+- type = ieee80211_input_all(ic, skb, rs->rs_rssi, bf->bf_tsf);
|
|
|
++ } else {
|
|
|
++ if (vap)
|
|
|
++ type = ieee80211_input(vap, NULL, skb, rs->rs_rssi, bf->bf_tsf);
|
|
|
++ else
|
|
|
++ type = ieee80211_input_all(ic, skb, rs->rs_rssi, bf->bf_tsf);
|
|
|
++ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (sc->sc_diversity) {
|
|
|
+--- a/net80211/ieee80211_node.h
|
|
|
++++ b/net80211/ieee80211_node.h
|
|
|
+@@ -286,15 +286,18 @@ struct ieee80211_node *ieee80211_find_no
|
|
|
+ const u_int8_t *);
|
|
|
+ #endif /* #ifdef IEEE80211_DEBUG_REFCNT */
|
|
|
+
|
|
|
++struct ieee80211vap *
|
|
|
++ieee80211_find_rxvap(struct ieee80211com *ic, const u_int8_t *mac);
|
|
|
++
|
|
|
+ /* Returns a ieee80211_node* with refcount incremented, if found */
|
|
|
+ #ifdef IEEE80211_DEBUG_REFCNT
|
|
|
+-#define ieee80211_find_rxnode(_nt, _wh) \
|
|
|
+- ieee80211_find_rxnode_debug(_nt, _wh, __func__, __LINE__)
|
|
|
++#define ieee80211_find_rxnode(_nt, _vap, _wh) \
|
|
|
++ ieee80211_find_rxnode_debug(_nt, _vap, _wh, __func__, __LINE__)
|
|
|
+ struct ieee80211_node *ieee80211_find_rxnode_debug(struct ieee80211com *,
|
|
|
+- const struct ieee80211_frame_min *, const char *, int);
|
|
|
++ struct ieee80211vap *, const struct ieee80211_frame_min *, const char *, int);
|
|
|
+ #else
|
|
|
+ struct ieee80211_node *ieee80211_find_rxnode(struct ieee80211com *,
|
|
|
+- const struct ieee80211_frame_min *);
|
|
|
++ struct ieee80211vap *, const struct ieee80211_frame_min *);
|
|
|
+ #endif /* #ifdef IEEE80211_DEBUG_REFCNT */
|
|
|
+
|
|
|
+ /* Returns a ieee80211_node* with refcount incremented, if found */
|
Felix Fietkau