openwrt-xburst/package/madwifi/patches/392-remove_wds_nodetracking.patch

--- a/net80211/ieee80211_input.c
+++ b/net80211/ieee80211_input.c
@@ -568,36 +568,6 @@ ieee80211_input(struct ieee80211vap * va
 				}
 			}
 
-			/* XXX: Useless node mgmt API; make better */
-			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;
-
-				if (!(vap->iv_flags_ext & IEEE80211_FEXT_WDS)) {
-					IEEE80211_DISCARD(vap, IEEE80211_MSG_INPUT,
-						wh, "data", "%s", "4 addr not allowed");
-					goto err;
-				}
-				wh4 = (struct ieee80211_frame_addr4 *)skb->data;
-				ni_wds = ieee80211_find_wds_node(nt, wh4->i_addr4);
-				/* Last call increments ref count if !NULL */
-				if ((ni_wds != NULL) && (ni_wds != ni)) {
-					/*
-					 * node with source address (addr4) moved
-					 * to another WDS capable station. remove the
-					 * reference to the previous station and add 
-					 * reference to the new one
-					 */
-					 (void) ieee80211_remove_wds_addr(nt, wh4->i_addr4);
-					 ieee80211_add_wds_addr(nt, ni, wh4->i_addr4, 0);
-				}
-				if (ni_wds == NULL)
-					ieee80211_add_wds_addr(nt, ni, wh4->i_addr4, 0);
-				else
-					ieee80211_unref_node(&ni_wds);
-			}
-
 			/*
 			 * Check for power save state change.
 			 */
--- a/net80211/ieee80211_node.c
+++ b/net80211/ieee80211_node.c
@@ -122,7 +122,6 @@ static void ieee80211_node_table_init(st
 static void ieee80211_node_table_cleanup(struct ieee80211_node_table *);
 static void ieee80211_node_table_reset(struct ieee80211_node_table *,
 	struct ieee80211vap *);
-static void ieee80211_node_wds_ageout(unsigned long);
 
 MALLOC_DEFINE(M_80211_NODE, "80211node", "802.11 node state");
 
@@ -785,10 +784,6 @@ ieee80211_node_table_init(struct ieee802
 	nt->nt_name = name;
 	nt->nt_scangen = 1;
 	nt->nt_inact_init = inact;
-	init_timer(&nt->nt_wds_aging_timer);
-	nt->nt_wds_aging_timer.function = ieee80211_node_wds_ageout;
-	nt->nt_wds_aging_timer.data = (unsigned long) nt;
-	mod_timer(&nt->nt_wds_aging_timer, jiffies + HZ * WDS_AGING_TIMER_VAL);
 }
 
 static __inline 
@@ -1204,142 +1199,6 @@ void ieee80211_wds_addif(struct ieee8021
 	schedule_work(&ni->ni_create);
 }
 
-/* Add wds address to the node table */
-int
-#ifdef IEEE80211_DEBUG_REFCNT
-ieee80211_add_wds_addr_debug(struct ieee80211_node_table *nt,
-	struct ieee80211_node *ni, const u_int8_t *macaddr, u_int8_t wds_static,
-	const char* func, int line)
-#else
-ieee80211_add_wds_addr(struct ieee80211_node_table *nt,
-	struct ieee80211_node *ni, const u_int8_t *macaddr, u_int8_t wds_static)
-#endif
-{
-	int hash;
-	struct ieee80211_wds_addr *wds;
-
-	MALLOC(wds, struct ieee80211_wds_addr *, sizeof(struct ieee80211_wds_addr),
-		M_80211_WDS, M_NOWAIT | M_ZERO);
-	if (wds == NULL) {
-		/* XXX msg */
-		return 1;
-	}
-	if (wds_static)
-		wds->wds_agingcount = WDS_AGING_STATIC;
-	else
-		wds->wds_agingcount = WDS_AGING_COUNT;
-	hash = IEEE80211_NODE_HASH(macaddr);
-	IEEE80211_ADDR_COPY(wds->wds_macaddr, macaddr);
-
-	IEEE80211_NODE_TABLE_LOCK_IRQ(nt);
-#ifdef IEEE80211_DEBUG_REFCNT
-	wds->wds_ni = ieee80211_ref_node_debug(ni, func, line);
-#else
-	wds->wds_ni = ieee80211_ref_node(ni);
-#endif
-	LIST_INSERT_HEAD(&nt->nt_wds_hash[hash], wds, wds_hash);
-	IEEE80211_NODE_TABLE_UNLOCK_IRQ(nt);
-	return 0;
-}
-#ifdef IEEE80211_DEBUG_REFCNT
-EXPORT_SYMBOL(ieee80211_add_wds_addr_debug);
-#else
-EXPORT_SYMBOL(ieee80211_add_wds_addr);
-#endif
-
-/* remove wds address from the wds hash table */
-void
-#ifdef IEEE80211_DEBUG_REFCNT
-ieee80211_remove_wds_addr_debug(struct ieee80211_node_table *nt, const u_int8_t *macaddr, 
-			   const char* func, int line)
-#else
-ieee80211_remove_wds_addr(struct ieee80211_node_table *nt, const u_int8_t *macaddr)
-#endif
-{
-	int hash;
-	struct ieee80211_wds_addr *wds, *twds;
-
-	hash = IEEE80211_NODE_HASH(macaddr);
-	IEEE80211_NODE_TABLE_LOCK_IRQ(nt);
-	LIST_FOREACH_SAFE(wds, &nt->nt_wds_hash[hash], wds_hash, twds) {
-		if (IEEE80211_ADDR_EQ(wds->wds_macaddr, macaddr)) {
-			LIST_REMOVE(wds, wds_hash);
-#ifdef IEEE80211_DEBUG_REFCNT
-			ieee80211_unref_node_debug(&wds->wds_ni, func, line);
-#else
-			ieee80211_unref_node(&wds->wds_ni);
-#endif
-			FREE(wds, M_80211_WDS);
-			break;
-		}
-	}
-	IEEE80211_NODE_TABLE_UNLOCK_IRQ(nt);
-}
-#ifdef IEEE80211_DEBUG_REFCNT
-EXPORT_SYMBOL(ieee80211_remove_wds_addr_debug);
-#else
-EXPORT_SYMBOL(ieee80211_remove_wds_addr);
-#endif
-
-/* Remove node references from wds table */
-void
-#ifdef IEEE80211_DEBUG_REFCNT
-ieee80211_del_wds_node_debug(struct ieee80211_node_table *nt, struct ieee80211_node *ni, 
-			const char* func, int line)
-#else
-ieee80211_del_wds_node(struct ieee80211_node_table *nt, struct ieee80211_node *ni)
-#endif
-{
-	int hash;
-	struct ieee80211_wds_addr *wds, *twds;
-
-	IEEE80211_NODE_TABLE_LOCK_IRQ(nt);
-	for (hash = 0; hash < IEEE80211_NODE_HASHSIZE; hash++) {
-		LIST_FOREACH_SAFE(wds, &nt->nt_wds_hash[hash], wds_hash, twds) {
-			if (wds->wds_ni == ni) {
-				LIST_REMOVE(wds, wds_hash);
-#ifdef IEEE80211_DEBUG_REFCNT
-				ieee80211_unref_node_debug(&wds->wds_ni, func, line);
-#else
-				ieee80211_unref_node(&wds->wds_ni);
-#endif
-				FREE(wds, M_80211_WDS);
-			}
-		}
-	}
-	IEEE80211_NODE_TABLE_UNLOCK_IRQ(nt);
-}
-#ifdef IEEE80211_DEBUG_REFCNT
-EXPORT_SYMBOL(ieee80211_del_wds_node_debug);
-#else
-EXPORT_SYMBOL(ieee80211_del_wds_node);
-#endif
-
-static void
-ieee80211_node_wds_ageout(unsigned long data)
-{
-	struct ieee80211_node_table *nt = (struct ieee80211_node_table *)data;
-	int hash;
-	struct ieee80211_wds_addr *wds, *twds;
-
-	IEEE80211_NODE_TABLE_LOCK_IRQ(nt);
-	for (hash = 0; hash < IEEE80211_NODE_HASHSIZE; hash++) {
-		LIST_FOREACH_SAFE(wds, &nt->nt_wds_hash[hash], wds_hash, twds) {
-			if (wds->wds_agingcount != WDS_AGING_STATIC) {
-				if (!wds->wds_agingcount) {
-					LIST_REMOVE(wds, wds_hash);
-					ieee80211_unref_node(&wds->wds_ni);
-					FREE(wds, M_80211_WDS);
-				} else
-					wds->wds_agingcount--;
-			}
-		}
-	}
-	IEEE80211_NODE_TABLE_UNLOCK_IRQ(nt);
-	mod_timer(&nt->nt_wds_aging_timer, jiffies + HZ * WDS_AGING_TIMER_VAL);
-}
-
-
 /* Add the specified station to the station table.
  * Allocates a new ieee80211_node* that has a reference count of one
  * If tmp is 0, it is added to the node table and the reference is used.
@@ -1385,34 +1244,6 @@ ieee80211_dup_bss(struct ieee80211vap *v
 	return ni;
 }
 
-static struct ieee80211_node *
-#ifdef IEEE80211_DEBUG_REFCNT
-ieee80211_find_wds_node_locked_debug(struct ieee80211_node_table *nt, 
-			 const u_int8_t *macaddr, const char* func, int line)
-#else
-ieee80211_find_wds_node_locked(struct ieee80211_node_table *nt, 
-			 const u_int8_t *macaddr)
-#endif
-{
-	struct ieee80211_wds_addr *wds;
-	int hash;
-	IEEE80211_NODE_TABLE_LOCK_ASSERT(nt);
-
-	hash = IEEE80211_NODE_HASH(macaddr);
-	LIST_FOREACH(wds, &nt->nt_wds_hash[hash], wds_hash) {
-		if (IEEE80211_ADDR_EQ(wds->wds_macaddr, macaddr)) {
-			if (wds->wds_agingcount != WDS_AGING_STATIC)
-				wds->wds_agingcount = WDS_AGING_COUNT; /* reset the aging count */
-#ifdef IEEE80211_DEBUG_REFCNT
-			return ieee80211_ref_node_debug(wds->wds_ni, func, line);
-#else
-			return ieee80211_ref_node(wds->wds_ni);
-#endif
-		}
-	}
-	return NULL;
-}
-
 /* NB: A node reference is acquired here; the caller MUST release it. */
 #ifdef IEEE80211_DEBUG_REFCNT
 #define	ieee80211_find_node_locked(nt, mac) \
@@ -1430,7 +1261,6 @@ ieee80211_find_node_locked(struct ieee80
 {
 	struct ieee80211_node *ni;
 	int hash;
-	struct ieee80211_wds_addr *wds;
 
 	IEEE80211_NODE_TABLE_LOCK_ASSERT(nt);
 
@@ -1445,48 +1275,11 @@ ieee80211_find_node_locked(struct ieee80
 			return ni;
 		}
 	}
-
-	/* Now, we look for the desired mac address in the 4 address
-	   nodes. */
-	LIST_FOREACH(wds, &nt->nt_wds_hash[hash], wds_hash) {
-		if (IEEE80211_ADDR_EQ(wds->wds_macaddr, macaddr)) {
-#ifdef IEEE80211_DEBUG_REFCNT
-			return ieee80211_ref_node_debug(wds->wds_ni, func, line);
-#else
-			return ieee80211_ref_node(wds->wds_ni);
-#endif 
-		}
-	}
 	return NULL;
 }
 
 struct ieee80211_node *
 #ifdef IEEE80211_DEBUG_REFCNT
-ieee80211_find_wds_node_debug(struct ieee80211_node_table *nt, const u_int8_t *macaddr, 
-			 const char* func, int line)
-#else
-ieee80211_find_wds_node(struct ieee80211_node_table *nt, const u_int8_t *macaddr)
-#endif
-{
-	struct ieee80211_node *ni;
-
-	IEEE80211_NODE_TABLE_LOCK_IRQ(nt);
-#ifdef IEEE80211_DEBUG_REFCNT
-	ni = ieee80211_find_wds_node_locked_debug(nt, macaddr, func, line);
-#else
-	ni = ieee80211_find_wds_node_locked(nt, macaddr);
-#endif
-	IEEE80211_NODE_TABLE_UNLOCK_IRQ(nt);
-	return ni;
-}
-#ifdef IEEE80211_DEBUG_REFCNT
-EXPORT_SYMBOL(ieee80211_find_wds_node_debug);
-#else
-EXPORT_SYMBOL(ieee80211_find_wds_node);
-#endif
-
-struct ieee80211_node *
-#ifdef IEEE80211_DEBUG_REFCNT
 ieee80211_find_node_debug(struct ieee80211_node_table *nt,
 	const u_int8_t *macaddr, const char *func, int line)
 #else
@@ -1838,7 +1631,6 @@ ieee80211_node_table_cleanup(struct ieee
 		ic->ic_node_cleanup(ni);
 #endif
 	}
-	del_timer(&nt->nt_wds_aging_timer);
 	IEEE80211_SCAN_LOCK_DESTROY(nt);
 	IEEE80211_NODE_TABLE_LOCK_DESTROY(nt);
 }
@@ -2404,8 +2196,6 @@ ieee80211_node_leave(struct ieee80211_no
 	 * so no more references are generated
 	 */
 	if (nt) {
-		ieee80211_remove_wds_addr(nt, ni->ni_macaddr);
-		ieee80211_del_wds_node(nt, ni);
 		IEEE80211_NODE_TABLE_LOCK_IRQ(nt);
 		node_table_leave_locked(nt, ni);
 		IEEE80211_NODE_TABLE_UNLOCK_IRQ(nt);
--- a/net80211/ieee80211_node.h
+++ b/net80211/ieee80211_node.h
@@ -231,13 +231,6 @@ void ieee80211_sta_leave(struct ieee8021
 #define WDS_AGING_STATIC 	0xffff
 #define WDS_AGING_TIMER_VAL 	(WDS_AGING_TIME / 2)
 
-struct ieee80211_wds_addr {
-	LIST_ENTRY(ieee80211_wds_addr) wds_hash;
-	u_int8_t	wds_macaddr[IEEE80211_ADDR_LEN];
-	struct ieee80211_node *wds_ni;
-	u_int16_t wds_agingcount;
-};
-
 /*
  * Table of ieee80211_node instances.  Each ieee80211com
  * has at least one for holding the scan candidates.
@@ -250,11 +243,9 @@ struct ieee80211_node_table {
 	ieee80211_node_table_lock_t nt_nodelock;	/* on node table */
 	TAILQ_HEAD(, ieee80211_node) nt_node;	/* information of all nodes */
 	ATH_LIST_HEAD(, ieee80211_node) nt_hash[IEEE80211_NODE_HASHSIZE];
-	ATH_LIST_HEAD(, ieee80211_wds_addr) nt_wds_hash[IEEE80211_NODE_HASHSIZE];
 	ieee80211_scan_lock_t nt_scanlock;	/* on nt_scangen */
 	u_int nt_scangen;			/* gen# for timeout scan */
 	int nt_inact_init;			/* initial node inact setting */
-	struct timer_list nt_wds_aging_timer;	/* timer to age out wds entries */
 };
 
 /* Allocates a new ieee80211_node* that has a reference count of one, and 
@@ -363,47 +354,6 @@ void
 ieee80211_unref_node(struct ieee80211_node **pni);
 #endif /* #ifdef IEEE80211_DEBUG_REFCNT */
 
-/* Increments reference count of ieee80211_node *ni */
-#ifdef IEEE80211_DEBUG_REFCNT
-#define ieee80211_add_wds_addr(_table, _node, _mac, _static) \
-	ieee80211_add_wds_addr_debug(_table, _node, _mac, _static, __func__, __LINE__)
-int ieee80211_add_wds_addr_debug(struct ieee80211_node_table *, struct ieee80211_node *,
-	const u_int8_t *, u_int8_t, const char* func, int line);
-#else
-int ieee80211_add_wds_addr(struct ieee80211_node_table *, struct ieee80211_node *,
-	const u_int8_t *, u_int8_t);
-#endif /* #ifdef IEEE80211_DEBUG_REFCNT */
-
-/* Decrements reference count of ieee80211_node *ni */
-#ifdef IEEE80211_DEBUG_REFCNT
-#define ieee80211_remove_wds_addr(_table, _mac) \
-	ieee80211_remove_wds_addr_debug(_table, _mac, __func__, __LINE__)
-void ieee80211_remove_wds_addr_debug(struct ieee80211_node_table *, const u_int8_t *,
-			       const char* func, int line);
-#else
-void ieee80211_remove_wds_addr(struct ieee80211_node_table *, const u_int8_t *);
-#endif /* #ifdef IEEE80211_DEBUG_REFCNT */
-
-/* Decrements reference count of node, if found */
-#ifdef IEEE80211_DEBUG_REFCNT
-#define ieee80211_del_wds_node(_table, _node) \
-	ieee80211_del_wds_node_debug(_table, _node, __func__, __LINE__)
-void ieee80211_del_wds_node_debug(struct ieee80211_node_table *, struct ieee80211_node *,
-			    const char* func, int line);
-#else
-void ieee80211_del_wds_node(struct ieee80211_node_table *, struct ieee80211_node *);
-#endif /* #ifdef IEEE80211_DEBUG_REFCNT */
-
-/* Increments reference count of node, if found */
-#ifdef IEEE80211_DEBUG_REFCNT
-#define ieee80211_find_wds_node(_table, _mac) \
-	ieee80211_find_wds_node_debug(_table, _mac, __func__, __LINE__)
-struct ieee80211_node *ieee80211_find_wds_node_debug(struct ieee80211_node_table *,
-	const u_int8_t *, const char* func, int line);
-#else
-struct ieee80211_node *ieee80211_find_wds_node(struct ieee80211_node_table *,
-	const u_int8_t *);
-#endif /* #ifdef IEEE80211_DEBUG_REFCNT */
 typedef void ieee80211_iter_func(void *, struct ieee80211_node *);
 void ieee80211_iterate_nodes(struct ieee80211_node_table *,
 	ieee80211_iter_func *, void *);