From deb3f959967461c250f5f1d4b6bbcb63911a4b51 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Tue, 23 Sep 2008 17:28:19 +0000 Subject: [PATCH] madwifi: fix locking issues in state machine changes SVN-Revision: 12670 --- .../patches/355-eap_auth_disassoc.patch | 14 +++------ package/madwifi/patches/370-wdsvap.patch | 2 +- .../patches/371-wds_sta_separation.patch | 31 ------------------- .../madwifi/patches/403-changeset_r3605.patch | 4 +-- 4 files changed, 8 insertions(+), 43 deletions(-) diff --git a/package/madwifi/patches/355-eap_auth_disassoc.patch b/package/madwifi/patches/355-eap_auth_disassoc.patch index 9b589649ff..7774d6bdd5 100644 --- a/package/madwifi/patches/355-eap_auth_disassoc.patch +++ b/package/madwifi/patches/355-eap_auth_disassoc.patch @@ -5,21 +5,17 @@ Signed-off-by: Felix Fietkau --- 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++; diff --git a/package/madwifi/patches/370-wdsvap.patch b/package/madwifi/patches/370-wdsvap.patch index 05e1ca7043..1cf334e7b6 100644 --- a/package/madwifi/patches/370-wdsvap.patch +++ b/package/madwifi/patches/370-wdsvap.patch @@ -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 && diff --git a/package/madwifi/patches/371-wds_sta_separation.patch b/package/madwifi/patches/371-wds_sta_separation.patch index 9178594908..a37ebd4938 100644 --- a/package/madwifi/patches/371-wds_sta_separation.patch +++ b/package/madwifi/patches/371-wds_sta_separation.patch @@ -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) diff --git a/package/madwifi/patches/403-changeset_r3605.patch b/package/madwifi/patches/403-changeset_r3605.patch index 18e377d642..48981ec13b 100644 --- a/package/madwifi/patches/403-changeset_r3605.patch +++ b/package/madwifi/patches/403-changeset_r3605.patch @@ -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) -- 2.30.2