From: Felix Fietkau <nbd@openwrt.org>
Date: Tue, 23 Sep 2008 17:28:19 +0000 (+0000)
Subject: madwifi: fix locking issues in state machine changes
X-Git-Tag: reboot~25546
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=deb3f959967461c250f5f1d4b6bbcb63911a4b51;p=openwrt%2Fstaging%2Fchunkeey.git

madwifi: fix locking issues in state machine changes

SVN-Revision: 12670
---

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 <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++;
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)