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mirror of git://projects.qi-hardware.com/openwrt-xburst.git synced 2024-12-25 14:29:53 +02:00

madwifi: fix locking issues in state machine changes

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@12670 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd 2008-09-23 17:28:19 +00:00
parent 1e232a2ad2
commit a0d42d3cda
4 changed files with 8 additions and 43 deletions

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@ -5,21 +5,17 @@ Signed-off-by: Felix Fietkau <nbd@openwrt.org>
--- a/ath/if_ath.c
+++ b/ath/if_ath.c
@@ -8328,6 +8328,18 @@
@@ -8328,6 +8328,14 @@
#endif
if (ts->ts_status & HAL_TXERR_XRETRY) {
sc->sc_stats.ast_tx_xretries++;
+ if (SKB_CB(bf->bf_skb)->auth_pkt && (ni->ni_vap->iv_opmode == IEEE80211_M_STA)) {
+ struct ieee80211com *ic = &sc->sc_ic;
+ if (SKB_CB(bf->bf_skb)->auth_pkt &&
+ (ni->ni_vap->iv_opmode == IEEE80211_M_STA)) {
+ struct ieee80211vap *vap = ni->ni_vap;
+
+ /* if roaming is enabled, try reassociating, otherwise
+ * disassociate and go back to the scan state */
+ IEEE80211_VAPS_LOCK_BH(ic);
+ if (ic->ic_roaming == IEEE80211_ROAMING_AUTO)
+ ni->ni_vap->iv_newstate(ni->ni_vap, IEEE80211_S_ASSOC, 1);
+ else
+ ni->ni_vap->iv_newstate(ni->ni_vap, IEEE80211_S_SCAN, 0);
+ IEEE80211_VAPS_UNLOCK_BH(ic);
+ vap->iv_mgtsend.function(vap->iv_mgtsend.data);
+ }
if (ni->ni_flags & IEEE80211_NODE_UAPSD_TRIG) {
ni->ni_stats.ns_tx_eosplost++;

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@ -77,7 +77,7 @@
rfilt |= HAL_RX_FILTER_BEACON;
if (sc->sc_nmonvaps > 0)
rfilt |= (HAL_RX_FILTER_CONTROL | HAL_RX_FILTER_BEACON |
@@ -9030,8 +9031,6 @@
@@ -9026,8 +9027,6 @@
* set sc->beacons if we might need to restart
* them after ath_reset. */
if (!sc->sc_beacons &&

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@ -486,25 +486,6 @@
/* Locking */
/* NB: beware, spin_is_locked() is not usefully defined for !(DEBUG || SMP)
* because spinlocks do not exist in this configuration. Instead IRQs
@@ -167,6 +196,18 @@
IEEE80211_VAPS_LOCK_ASSERT(_ic); \
spin_unlock_bh(&(_ic)->ic_vapslock); \
} while (0)
+#define IEEE80211_VAPS_LOCK_IRQ(_ic) do { \
+ unsigned long __vlockflags; \
+ IEEE80211_VAPS_LOCK_CHECK(_ic); \
+ spin_lock_irqsave(&(_ic)->ic_vapslock, __vlockflags);
+#define IEEE80211_VAPS_UNLOCK_IRQ(_ic) \
+ IEEE80211_VAPS_LOCK_ASSERT(_ic); \
+ spin_unlock_irqrestore(&(_ic)->ic_vapslock, __vlockflags); \
+} while (0)
+#define IEEE80211_VAPS_UNLOCK_IRQ_EARLY(_ic) \
+ IEEE80211_VAPS_LOCK_ASSERT(_ic); \
+ spin_unlock_irqrestore(&(_ic)->ic_vapslock, __vlockflags);
+
#if (defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK)) && defined(spin_is_locked)
#define IEEE80211_VAPS_LOCK_ASSERT(_ic) \
--- a/net80211/ieee80211_proto.c
+++ b/net80211/ieee80211_proto.c
@@ -1081,6 +1081,8 @@
@ -550,18 +531,6 @@
ieee80211_new_state(vap, IEEE80211_S_INIT, -1);
if (dev->flags & IFF_RUNNING) {
dev->flags &= ~IFF_RUNNING; /* mark us stopped */
@@ -1342,9 +1366,9 @@
struct ieee80211com *ic = vap->iv_ic;
int rc;
- IEEE80211_VAPS_LOCK_BH(ic);
+ IEEE80211_VAPS_LOCK_IRQ(ic);
rc = vap->iv_newstate(vap, nstate, arg);
- IEEE80211_VAPS_UNLOCK_BH(ic);
+ IEEE80211_VAPS_UNLOCK_IRQ(ic);
return rc;
}
@@ -1630,6 +1654,7 @@
*/
if (ni->ni_authmode != IEEE80211_AUTH_8021X)

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@ -16,7 +16,7 @@
#endif /* _ATH_COMPAT_H_ */
--- a/net80211/ieee80211_linux.h
+++ b/net80211/ieee80211_linux.h
@@ -350,13 +350,6 @@
@@ -338,13 +338,6 @@
#define ACL_LOCK_CHECK(_as)
#endif
@ -30,7 +30,7 @@
/*
* Per-node power-save queue definitions. Beware of control
* flow with IEEE80211_NODE_SAVEQ_LOCK/IEEE80211_NODE_SAVEQ_UNLOCK.
@@ -400,16 +393,16 @@
@@ -388,16 +381,16 @@
_skb = __skb_dequeue(&(_ni)->ni_savedq); \
(_qlen) = skb_queue_len(&(_ni)->ni_savedq); \
} while (0)