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openwrt-xburst/package/madwifi/patches/392-remove_wds_nodetracking.patch
nbd d66ff4b458 madwifi: fix rx for pure wds interfaces 
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@14203 3c298f89-4303-0410-b956-a3cf2f4a3e73
2009-01-26 14:37:21 +00:00

389 lines
13 KiB
Diff
Raw Blame History

--- 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 *);
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