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madwifi: fix the long standing bug that is triggered by nodes getting a timeout on one vap, then moving to another

Browse Source 
SVN-Revision: 14171
v19.07.3_mercusys_ac12_duma
Felix Fietkau 16 years ago
parent 28abf79c44
commit 87db54da68
6 changed files with 843 additions and 3 deletions
Show Stats Download Patch File Download Diff File

29
package/madwifi/patches/391-vap_auth.patch
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@ -0,0 +1,29 @@
--- a/net80211/ieee80211_input.c
+++ b/net80211/ieee80211_input.c
@@ -1374,7 +1386,7 @@ ieee80211_auth_open(struct ieee80211_nod
vap->iv_stats.is_rx_bad_auth++; /* XXX maybe a unique error? */
if (vap->iv_opmode == IEEE80211_M_HOSTAP) {
if (ni == vap->iv_bss) {
- ni = ieee80211_dup_bss(vap, wh->i_addr2, 0);
+ ni = ieee80211_dup_bss(vap, wh->i_addr2, 1);
if (ni == NULL)
return;
tmpnode = 1;
@@ -1762,6 +1774,8 @@ ieee80211_ssid_mismatch(struct ieee80211
}
#define IEEE80211_VERIFY_SSID(_ni, _ssid) do { \
+ if ((_ni)->ni_esslen == 0) \
+ return; \
if ((_ssid)[1] != 0 && \
((_ssid)[1] != (_ni)->ni_esslen || \
memcmp((_ssid) + 2, (_ni)->ni_essid, (_ssid)[1]) != 0)) { \
@@ -1776,6 +1790,8 @@ ieee80211_ssid_mismatch(struct ieee80211
} while (0)
#else /* !IEEE80211_DEBUG */
#define IEEE80211_VERIFY_SSID(_ni, _ssid) do { \
+ if ((_ni)->ni_esslen == 0) \
+ return; \
if ((_ssid)[1] != 0 && \
((_ssid)[1] != (_ni)->ni_esslen || \
memcmp((_ssid) + 2, (_ni)->ni_essid, (_ssid)[1]) != 0)) { \

388
package/madwifi/patches/392-remove_wds_nodetracking.patch
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@ -0,0 +1,388 @@
--- a/net80211/ieee80211_input.c
+++ b/net80211/ieee80211_input.c
@@ -572,36 +572,6 @@ 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
@@ -1201,142 +1196,6 @@ 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.
@@ -1382,34 +1241,6 @@ 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) \
@@ -1427,7 +1258,6 @@ ieee80211_find_node_locked(struct ieee80
{
struct ieee80211_node *ni;
int hash;
- struct ieee80211_wds_addr *wds;
IEEE80211_NODE_TABLE_LOCK_ASSERT(nt);
@@ -1442,48 +1272,11 @@ 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
@@ -1835,7 +1628,6 @@ 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);
}
@@ -2402,8 +2194,6 @@ 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 *);

423
package/madwifi/patches/393-mbss_vap_auth.patch
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@ -0,0 +1,423 @@
--- a/net80211/ieee80211_node.c
+++ b/net80211/ieee80211_node.c
@@ -123,6 +123,9 @@ static void ieee80211_node_table_cleanup
static void ieee80211_node_table_reset(struct ieee80211_node_table *,
struct ieee80211vap *);
+static struct ieee80211_node *
+lookup_rxnode(struct ieee80211com *ic, struct ieee80211vap *vap, const u_int8_t *addr);
+
MALLOC_DEFINE(M_80211_NODE, "80211node", "802.11 node state");
void
@@ -697,7 +700,7 @@ ieee80211_sta_join(struct ieee80211vap *
struct ieee80211com *ic = vap->iv_ic;
struct ieee80211_node *ni;
- ni = ieee80211_find_node(&ic->ic_sta, se->se_macaddr);
+ ni = lookup_rxnode(ic, vap, se->se_macaddr);
if (ni == NULL) {
ni = ieee80211_alloc_node_table(vap, se->se_macaddr);
IEEE80211_DPRINTF(vap, IEEE80211_MSG_ASSOC,
@@ -1391,6 +1394,53 @@ ieee80211_add_neighbor(struct ieee80211v
return ni;
}
+struct ieee80211vap *
+ieee80211_find_rxvap(struct ieee80211com *ic, const u_int8_t *mac)
+{
+ struct ieee80211vap *vap;
+
+ TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) {
+ if (IEEE80211_ADDR_EQ(vap->iv_myaddr, mac))
+ return vap;
+ }
+ return NULL;
+}
+EXPORT_SYMBOL(ieee80211_find_rxvap);
+
+static struct ieee80211_node *
+lookup_rxnode(struct ieee80211com *ic, struct ieee80211vap *vap,
+ const u_int8_t *addr)
+{
+ struct ieee80211_node_table *nt;
+ struct ieee80211_node *ni = NULL;
+ int use_bss = 0;
+ int hash;
+
+ nt = &ic->ic_sta;
+ IEEE80211_NODE_TABLE_LOCK_IRQ(nt);
+ hash = IEEE80211_NODE_HASH(addr);
+ LIST_FOREACH(ni, &nt->nt_hash[hash], ni_hash) {
+ if (IEEE80211_ADDR_EQ(ni->ni_macaddr, addr)) {
+ /* allow multiple nodes on different vaps */
+ if (vap && (ni->ni_vap != vap))
+ continue;
+
+ ieee80211_ref_node(ni);
+ goto out;
+ }
+ }
+
+ /* no match found */
+ ni = NULL;
+
+out:
+ IEEE80211_NODE_TABLE_UNLOCK_IRQ(nt);
+ return ni;
+#undef IS_PSPOLL
+#undef IS_CTL
+}
+
+
/*
* Return the node for the sender of a frame; if the sender is unknown return
* NULL. The caller is expected to deal with this. (The frame is sent to all
@@ -1400,10 +1450,10 @@ ieee80211_add_neighbor(struct ieee80211v
*/
struct ieee80211_node *
#ifdef IEEE80211_DEBUG_REFCNT
-ieee80211_find_rxnode_debug(struct ieee80211com *ic,
+ieee80211_find_rxnode_debug(struct ieee80211com *ic, struct ieee80211vap *vap,
const struct ieee80211_frame_min *wh, const char *func, int line)
#else
-ieee80211_find_rxnode(struct ieee80211com *ic,
+ieee80211_find_rxnode(struct ieee80211com *ic, struct ieee80211vap *vap,
const struct ieee80211_frame_min *wh)
#endif
{
@@ -1411,9 +1461,8 @@ ieee80211_find_rxnode(struct ieee80211co
((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) == IEEE80211_FC0_TYPE_CTL)
#define IS_PSPOLL(wh) \
((wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK) == IEEE80211_FC0_SUBTYPE_PS_POLL)
- struct ieee80211_node_table *nt;
- struct ieee80211_node *ni;
- struct ieee80211vap *vap, *avp;
+ struct ieee80211_node *ni = NULL;
+ struct ieee80211vap *avp;
const u_int8_t *addr;
if (IS_CTL(wh) && !IS_PSPOLL(wh) /*&& !IS_RTS(ah)*/)
@@ -1426,32 +1475,21 @@ ieee80211_find_rxnode(struct ieee80211co
/* XXX check ic_bss first in station mode */
/* XXX 4-address frames? */
- nt = &ic->ic_sta;
- IEEE80211_NODE_TABLE_LOCK_IRQ(nt);
if ((wh->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS) {
- TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) {
+ if (vap) { /* assume unicast if vap is set, mcast not supported for wds */
TAILQ_FOREACH(avp, &vap->iv_wdslinks, iv_wdsnext) {
- if (!IEEE80211_ADDR_EQ(addr, avp->wds_mac))
+ if (!IEEE80211_ADDR_EQ(addr, avp->wds_mac) ||
+ !IEEE80211_ADDR_EQ(wh->i_addr1, avp->iv_myaddr))
continue;
if (avp->iv_wdsnode)
- return ieee80211_ref_node(avp->iv_wdsnode);
- else
- return NULL;
+ ni = ieee80211_ref_node(avp->iv_wdsnode);
}
}
+ return ni;
}
-#ifdef IEEE80211_DEBUG_REFCNT
- ni = ieee80211_find_node_locked_debug(nt, addr, func, line);
-#else
- ni = ieee80211_find_node_locked(nt, addr);
-#endif
- IEEE80211_NODE_TABLE_UNLOCK_IRQ(nt);
-
- return ni;
-#undef IS_PSPOLL
-#undef IS_CTL
+ return lookup_rxnode(ic, vap, addr);
}
#ifdef IEEE80211_DEBUG_REFCNT
EXPORT_SYMBOL(ieee80211_find_rxnode_debug);
@@ -1476,15 +1514,14 @@ ieee80211_find_txnode(struct ieee80211va
struct ieee80211com *ic = vap->iv_ic;
struct ieee80211_node_table *nt;
struct ieee80211_node *ni = NULL;
+ int hash;
- IEEE80211_LOCK_IRQ(ic);
if (vap->iv_opmode == IEEE80211_M_WDS) {
if (vap->iv_wdsnode && (vap->iv_state == IEEE80211_S_RUN))
return ieee80211_ref_node(vap->iv_wdsnode);
else
return NULL;
}
- IEEE80211_UNLOCK_IRQ(ic);
/*
* The destination address should be in the node table
@@ -1502,11 +1539,22 @@ ieee80211_find_txnode(struct ieee80211va
/* XXX: Can't hold lock across dup_bss due to recursive locking. */
nt = &vap->iv_ic->ic_sta;
IEEE80211_NODE_TABLE_LOCK_IRQ(nt);
+ hash = IEEE80211_NODE_HASH(mac);
+ LIST_FOREACH(ni, &nt->nt_hash[hash], ni_hash) {
+ if (ni->ni_vap != vap)
+ continue;
+
+ if (IEEE80211_ADDR_EQ(ni->ni_macaddr, mac)) {
#ifdef IEEE80211_DEBUG_REFCNT
- ni = ieee80211_find_node_locked_debug(nt, mac, func, line);
+ ieee80211_ref_node_debug(ni, func, line);
#else
- ni = ieee80211_find_node_locked(nt, mac);
+ ieee80211_ref_node(ni);
#endif
+ goto found;
+ }
+ }
+ ni = NULL;
+found:
IEEE80211_NODE_TABLE_UNLOCK_IRQ(nt);
if (ni == NULL) {
@@ -1961,13 +2009,29 @@ remove_worse_nodes(void *arg, struct iee
}
}
+static void
+remove_duplicate_nodes(void *arg, struct ieee80211_node *ni)
+{
+ struct ieee80211_node *rni = arg;
+
+ if (ni == rni)
+ return;
+
+ if (ni->ni_vap == rni->ni_vap)
+ return;
+
+ ieee80211_node_leave(ni);
+}
+
void
ieee80211_node_join(struct ieee80211_node *ni, int resp)
{
struct ieee80211com *ic = ni->ni_ic;
struct ieee80211vap *vap = ni->ni_vap;
+ struct ieee80211_node *tni;
int newassoc;
+ ieee80211_iterate_nodes(&ic->ic_sta, remove_duplicate_nodes, ni);
if (ni->ni_associd == 0) {
u_int16_t aid;
--- a/net80211/ieee80211_input.c
+++ b/net80211/ieee80211_input.c
@@ -227,15 +227,22 @@ ieee80211_input(struct ieee80211vap * va
if (!dev)
goto out;
+ if ((vap->iv_dev->flags & (IFF_UP|IFF_RUNNING)) != (IFF_UP|IFF_RUNNING))
+ goto out;
+
+ if (!vap->iv_bss)
+ goto out;
+
/* initialize ni as in the previous API */
if (ni_or_null == NULL) {
/* This function does not 'own' vap->iv_bss, so we cannot
* guarantee its existence during the following call, hence
* briefly grab our own reference. */
ni = ieee80211_ref_node(vap->iv_bss);
+ KASSERT(ni != NULL, ("null node"));
+ } else {
+ ni->ni_inact = ni->ni_inact_reload;
}
- KASSERT(ni != NULL, ("null node"));
- ni->ni_inact = ni->ni_inact_reload;
KASSERT(skb->len >= sizeof(struct ieee80211_frame_min),
("frame length too short: %u", skb->len));
@@ -933,16 +940,23 @@ int
ieee80211_input_all(struct ieee80211com *ic,
struct sk_buff *skb, int rssi, u_int64_t rtsf)
{
+ struct ieee80211_frame_min *wh = (struct ieee80211_frame_min *) skb->data;
struct ieee80211vap *vap;
int type = -1;
/* XXX locking */
TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) {
+ struct ieee80211_node *ni = NULL;
struct sk_buff *skb1;
if ((vap->iv_dev->flags & (IFF_UP|IFF_RUNNING)) != (IFF_UP|IFF_RUNNING))
continue;
+ if ((vap->iv_opmode == IEEE80211_M_HOSTAP) &&
+ !IEEE80211_IS_MULTICAST(wh->i_addr1))
+ continue;
+
+ ni = ieee80211_find_rxnode(ic, vap, wh);
if (TAILQ_NEXT(vap, iv_next) != NULL) {
skb1 = skb_copy(skb, GFP_ATOMIC);
if (skb1 == NULL) {
@@ -954,8 +968,10 @@ ieee80211_input_all(struct ieee80211com
skb1 = skb;
skb = NULL;
}
- type = ieee80211_input(vap, NULL, skb1, rssi, rtsf);
+ type = ieee80211_input(vap, ni, skb1, rssi, rtsf);
}
+
+out:
if (skb != NULL) /* no vaps, reclaim skb */
ieee80211_dev_kfree_skb(&skb);
return type;
@@ -1146,11 +1162,9 @@ ieee80211_deliver_data(struct ieee80211_
* sending it will not work; just let it be
* delivered normally.
*/
- struct ieee80211_node *ni1 = ieee80211_find_node(
- &vap->iv_ic->ic_sta, eh->ether_dhost);
+ struct ieee80211_node *ni1 = ieee80211_find_txnode(vap, eh->ether_dhost);
if (ni1 != NULL) {
- if (ni1->ni_vap == vap &&
- ieee80211_node_is_authorized(ni1) &&
+ if (ieee80211_node_is_authorized(ni1) &&
!ni1->ni_subif &&
ni1 != vap->iv_bss) {
--- a/ath/if_ath.c
+++ b/ath/if_ath.c
@@ -6577,9 +6577,8 @@ 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,
+ 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");
@@ -6734,7 +6733,9 @@ ath_rx_poll(struct net_device *dev, int
struct ath_desc *ds;
struct ath_rx_status *rs;
struct sk_buff *skb = NULL;
+ struct ieee80211vap *vap;
struct ieee80211_node *ni;
+ const struct ieee80211_frame_min *wh;
unsigned int len;
int type;
u_int phyerr;
@@ -6889,12 +6890,15 @@ rx_accept:
skb_trim(skb, skb->len - IEEE80211_CRC_LEN);
if (mic_fail) {
+ wh = (const struct ieee80211_frame_min *) skb->data;
+
/* Ignore control frames which are reported with mic error */
- if ((((struct ieee80211_frame *)skb->data)->i_fc[0] &
+ if ((wh->i_fc[0] &
IEEE80211_FC0_TYPE_MASK) == IEEE80211_FC0_TYPE_CTL)
goto drop_micfail;
- ni = ieee80211_find_rxnode(ic, (const struct ieee80211_frame_min *) skb->data);
+ vap = ieee80211_find_rxvap(ic, wh->i_addr1);
+ ni = ieee80211_find_rxnode(ic, vap, wh);
if (ni && ni->ni_table) {
ieee80211_check_mic(ni, skb);
@@ -6956,11 +6960,24 @@ drop_micfail:
* for its use. If the sender is unknown spam the
* frame; it'll be dropped where it's not wanted.
*/
- if (rs->rs_keyix != HAL_RXKEYIX_INVALID &&
+ wh = (const struct ieee80211_frame_min *) skb->data;
+ if ((rs->rs_keyix != HAL_RXKEYIX_INVALID) &&
(ni = sc->sc_keyixmap[rs->rs_keyix]) != NULL) {
/* Fast path: node is present in the key map;
* grab a reference for processing the frame. */
- ni = ieee80211_ref_node(ni);
+ ieee80211_ref_node(ni);
+ if ((ATH_GET_VAP_ID(wh->i_addr1) !=
+ ATH_GET_VAP_ID(ni->ni_vap->iv_myaddr)) ||
+ ((wh->i_fc[1] & IEEE80211_FC1_DIR_MASK) ==
+ IEEE80211_FC1_DIR_DSTODS)) {
+ /* key cache node lookup is fast, but it can
+ * lead to problems in multi-bss (foreign vap
+ * node reference) or wds (wdsap node ref instead
+ * of base ap node ref).
+ * use slowpath lookup in both cases
+ */
+ goto lookup_slowpath;
+ }
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);
ieee80211_unref_node(&ni);
@@ -6969,24 +6986,35 @@ drop_micfail:
* 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 */

2
package/madwifi/patches/394-probereq.patch
Unescape Escape View File

@ -1,6 +1,6 @@
--- a/net80211/ieee80211_input.c
+++ b/net80211/ieee80211_input.c
@@ -3604,6 +3604,8 @@ ieee80211_recv_mgmt(struct ieee80211vap
@@ -3618,6 +3618,8 @@ ieee80211_recv_mgmt(struct ieee80211vap
vap->iv_stats.is_rx_mgtdiscard++;
return;
}

2
package/madwifi/patches/405-retransmit_check.patch
Unescape Escape View File

@ -11,7 +11,7 @@
#define IEEE80211_QOS_TXOP 0x00ff
--- a/net80211/ieee80211_input.c
+++ b/net80211/ieee80211_input.c
@@ -429,7 +429,7 @@ ieee80211_input(struct ieee80211vap * va
@@ -436,7 +436,7 @@ ieee80211_input(struct ieee80211vap * va
tid = 0;
rxseq = le16toh(*(__le16 *)wh->i_seq);
if ((wh->i_fc[1] & IEEE80211_FC1_RETRY) &&

2
package/madwifi/patches/450-new_hal.patch
Unescape Escape View File

@ -108,7 +108,7 @@
/*
* Check if the MAC has multi-rate retry support.
* We do this by trying to setup a fake extended
@@ -7524,7 +7532,7 @@ ath_txq_setup(struct ath_softc *sc, int
@@ -7552,7 +7560,7 @@ ath_txq_setup(struct ath_softc *sc, int
if (qtype == HAL_TX_QUEUE_UAPSD)
qi.tqi_qflags = HAL_TXQ_TXDESCINT_ENABLE;
else

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