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madwifi: fix locking issues in state machine changes
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@12670 3c298f89-4303-0410-b956-a3cf2f4a3e73
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@ -5,21 +5,17 @@ Signed-off-by: Felix Fietkau <nbd@openwrt.org>
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--- a/ath/if_ath.c
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+++ b/ath/if_ath.c
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@@ -8328,6 +8328,18 @@
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@@ -8328,6 +8328,14 @@
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#endif
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if (ts->ts_status & HAL_TXERR_XRETRY) {
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sc->sc_stats.ast_tx_xretries++;
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+ if (SKB_CB(bf->bf_skb)->auth_pkt && (ni->ni_vap->iv_opmode == IEEE80211_M_STA)) {
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+ struct ieee80211com *ic = &sc->sc_ic;
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+ if (SKB_CB(bf->bf_skb)->auth_pkt &&
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+ (ni->ni_vap->iv_opmode == IEEE80211_M_STA)) {
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+ struct ieee80211vap *vap = ni->ni_vap;
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+
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+ /* if roaming is enabled, try reassociating, otherwise
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+ * disassociate and go back to the scan state */
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+ IEEE80211_VAPS_LOCK_BH(ic);
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+ if (ic->ic_roaming == IEEE80211_ROAMING_AUTO)
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+ ni->ni_vap->iv_newstate(ni->ni_vap, IEEE80211_S_ASSOC, 1);
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+ else
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+ ni->ni_vap->iv_newstate(ni->ni_vap, IEEE80211_S_SCAN, 0);
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+ IEEE80211_VAPS_UNLOCK_BH(ic);
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+ vap->iv_mgtsend.function(vap->iv_mgtsend.data);
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+ }
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if (ni->ni_flags & IEEE80211_NODE_UAPSD_TRIG) {
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ni->ni_stats.ns_tx_eosplost++;
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@ -77,7 +77,7 @@
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rfilt |= HAL_RX_FILTER_BEACON;
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if (sc->sc_nmonvaps > 0)
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rfilt |= (HAL_RX_FILTER_CONTROL | HAL_RX_FILTER_BEACON |
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@@ -9030,8 +9031,6 @@
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@@ -9026,8 +9027,6 @@
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* set sc->beacons if we might need to restart
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* them after ath_reset. */
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if (!sc->sc_beacons &&
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@ -486,25 +486,6 @@
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/* Locking */
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/* NB: beware, spin_is_locked() is not usefully defined for !(DEBUG || SMP)
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* because spinlocks do not exist in this configuration. Instead IRQs
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@@ -167,6 +196,18 @@
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IEEE80211_VAPS_LOCK_ASSERT(_ic); \
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spin_unlock_bh(&(_ic)->ic_vapslock); \
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} while (0)
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+#define IEEE80211_VAPS_LOCK_IRQ(_ic) do { \
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+ unsigned long __vlockflags; \
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+ IEEE80211_VAPS_LOCK_CHECK(_ic); \
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+ spin_lock_irqsave(&(_ic)->ic_vapslock, __vlockflags);
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+#define IEEE80211_VAPS_UNLOCK_IRQ(_ic) \
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+ IEEE80211_VAPS_LOCK_ASSERT(_ic); \
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+ spin_unlock_irqrestore(&(_ic)->ic_vapslock, __vlockflags); \
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+} while (0)
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+#define IEEE80211_VAPS_UNLOCK_IRQ_EARLY(_ic) \
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+ IEEE80211_VAPS_LOCK_ASSERT(_ic); \
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+ spin_unlock_irqrestore(&(_ic)->ic_vapslock, __vlockflags);
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+
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#if (defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK)) && defined(spin_is_locked)
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#define IEEE80211_VAPS_LOCK_ASSERT(_ic) \
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--- a/net80211/ieee80211_proto.c
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+++ b/net80211/ieee80211_proto.c
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@@ -1081,6 +1081,8 @@
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@ -550,18 +531,6 @@
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ieee80211_new_state(vap, IEEE80211_S_INIT, -1);
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if (dev->flags & IFF_RUNNING) {
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dev->flags &= ~IFF_RUNNING; /* mark us stopped */
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@@ -1342,9 +1366,9 @@
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struct ieee80211com *ic = vap->iv_ic;
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int rc;
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- IEEE80211_VAPS_LOCK_BH(ic);
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+ IEEE80211_VAPS_LOCK_IRQ(ic);
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rc = vap->iv_newstate(vap, nstate, arg);
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- IEEE80211_VAPS_UNLOCK_BH(ic);
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+ IEEE80211_VAPS_UNLOCK_IRQ(ic);
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return rc;
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}
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@@ -1630,6 +1654,7 @@
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*/
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if (ni->ni_authmode != IEEE80211_AUTH_8021X)
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@ -16,7 +16,7 @@
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#endif /* _ATH_COMPAT_H_ */
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--- a/net80211/ieee80211_linux.h
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+++ b/net80211/ieee80211_linux.h
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@@ -350,13 +350,6 @@
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@@ -338,13 +338,6 @@
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#define ACL_LOCK_CHECK(_as)
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#endif
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@ -30,7 +30,7 @@
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/*
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* Per-node power-save queue definitions. Beware of control
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* flow with IEEE80211_NODE_SAVEQ_LOCK/IEEE80211_NODE_SAVEQ_UNLOCK.
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@@ -400,16 +393,16 @@
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@@ -388,16 +381,16 @@
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_skb = __skb_dequeue(&(_ni)->ni_savedq); \
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(_qlen) = skb_queue_len(&(_ni)->ni_savedq); \
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} while (0)
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