From: Felix Fietkau <nbd@openwrt.org>
Date: Mon, 14 Sep 2009 10:45:34 +0000 (+0000)
Subject: madwifi: fix a wds related race condition
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=36d7f7c017ba6496b50a428678b98acabf973361;p=openwrt%2Fstaging%2Faparcar.git

madwifi: fix a wds related race condition

SVN-Revision: 17578
---

diff --git a/package/madwifi/patches/370-wdsvap.patch b/package/madwifi/patches/370-wdsvap.patch
index 488e7b2444..9da13a6c5c 100644
--- a/package/madwifi/patches/370-wdsvap.patch
+++ b/package/madwifi/patches/370-wdsvap.patch
@@ -748,7 +748,7 @@
  		IEEE80211_NODE_STAT(ni, rx_data);
  		IEEE80211_NODE_STAT_ADD(ni, rx_bytes, skb->len);
  		ic->ic_lastdata = jiffies;
-@@ -1114,6 +1142,17 @@ ieee80211_deliver_data(struct ieee80211_
+@@ -1114,6 +1142,18 @@ ieee80211_deliver_data(struct ieee80211_
  		dev = vap->iv_xrvap->iv_dev;
  #endif
  
@@ -757,6 +757,7 @@
 +	if (ni->ni_subif && ((eh)->ether_type != __constant_htons(ETHERTYPE_PAE))) {
 +		if (ni->ni_vap == ni->ni_subif) {
 +			ieee80211_dev_kfree_skb(&skb);
++			return;
 +		} else {
 +			vap = ni->ni_subif;
 +			dev = vap->iv_dev;
@@ -766,7 +767,7 @@
  	/* perform as a bridge within the vap */
  	/* XXX intra-vap bridging only */
  	if (vap->iv_opmode == IEEE80211_M_HOSTAP &&
-@@ -1139,7 +1178,16 @@ ieee80211_deliver_data(struct ieee80211_
+@@ -1139,7 +1179,16 @@ ieee80211_deliver_data(struct ieee80211_
  			if (ni1 != NULL) {
  				if (ni1->ni_vap == vap &&
  				    ieee80211_node_is_authorized(ni1) &&
@@ -783,7 +784,7 @@
  					skb1 = skb;
  					skb = NULL;
  				}
-@@ -3084,8 +3132,7 @@ ieee80211_recv_mgmt(struct ieee80211vap 
+@@ -3084,8 +3133,7 @@ ieee80211_recv_mgmt(struct ieee80211vap 
  		    (vap->iv_opmode == IEEE80211_M_STA && ni->ni_associd) ||
  		    (vap->iv_opmode == IEEE80211_M_IBSS) ||
  			((subtype == IEEE80211_FC0_SUBTYPE_BEACON) &&
@@ -793,7 +794,7 @@
  			vap->iv_stats.is_rx_mgtdiscard++;
  			return;
  		}
-@@ -3471,13 +3518,54 @@ ieee80211_recv_mgmt(struct ieee80211vap 
+@@ -3471,13 +3519,54 @@ ieee80211_recv_mgmt(struct ieee80211vap 
  		 */
  		if (ic->ic_flags & IEEE80211_F_SCAN) {
  			ieee80211_add_scan(vap, &scan, wh, subtype, rssi, rtsf);
@@ -853,7 +854,7 @@
  			} else {
  				/*
  				 * Copy data from beacon to neighbor table.
-@@ -3490,6 +3578,7 @@ ieee80211_recv_mgmt(struct ieee80211vap 
+@@ -3490,6 +3579,7 @@ ieee80211_recv_mgmt(struct ieee80211vap 
  				IEEE80211_ADDR_COPY(ni->ni_bssid, wh->i_addr3);
  				memcpy(ni->ni_tstamp.data, scan.tstamp,
  					sizeof(ni->ni_tstamp));
diff --git a/package/madwifi/patches/372-queue_vif.patch b/package/madwifi/patches/372-queue_vif.patch
index 1c31fff7f9..aa32b1b227 100644
--- a/package/madwifi/patches/372-queue_vif.patch
+++ b/package/madwifi/patches/372-queue_vif.patch
@@ -1,6 +1,6 @@
 --- a/net80211/ieee80211_input.c
 +++ b/net80211/ieee80211_input.c
-@@ -1197,6 +1197,7 @@ ieee80211_deliver_data(struct ieee80211_
+@@ -1198,6 +1198,7 @@ ieee80211_deliver_data(struct ieee80211_
  		}
  		if (skb1 != NULL) {
  			struct ieee80211_node *ni_tmp;
@@ -8,7 +8,7 @@
  			skb1->dev = dev;
  			skb_reset_mac_header(skb1);
  			skb_set_network_header(skb1, sizeof(struct ether_header));
-@@ -1204,7 +1205,12 @@ ieee80211_deliver_data(struct ieee80211_
+@@ -1205,7 +1206,12 @@ ieee80211_deliver_data(struct ieee80211_
  			skb1->protocol = __constant_htons(ETH_P_802_2);
  			/* XXX insert vlan tag before queue it? */
  			ni_tmp = SKB_CB(skb1)->ni; /* remember node so we can free it */
diff --git a/package/madwifi/patches/378-adhoc_crash_fix.patch b/package/madwifi/patches/378-adhoc_crash_fix.patch
index 85183e6a71..1d699a5ffa 100644
--- a/package/madwifi/patches/378-adhoc_crash_fix.patch
+++ b/package/madwifi/patches/378-adhoc_crash_fix.patch
@@ -1,6 +1,6 @@
 --- a/net80211/ieee80211_input.c
 +++ b/net80211/ieee80211_input.c
-@@ -3528,6 +3528,11 @@ ieee80211_recv_mgmt(struct ieee80211vap 
+@@ -3529,6 +3529,11 @@ ieee80211_recv_mgmt(struct ieee80211vap 
  		if (ic->ic_flags & IEEE80211_F_SCAN) {
  			ieee80211_add_scan(vap, &scan, wh, subtype, rssi, rtsf);
  		}
diff --git a/package/madwifi/patches/387-maxassoc.patch b/package/madwifi/patches/387-maxassoc.patch
index 1dc788e7d1..d74419bdb0 100644
--- a/package/madwifi/patches/387-maxassoc.patch
+++ b/package/madwifi/patches/387-maxassoc.patch
@@ -56,7 +56,7 @@
  	/*
 --- a/net80211/ieee80211_input.c
 +++ b/net80211/ieee80211_input.c
-@@ -4017,7 +4017,26 @@ ieee80211_recv_mgmt(struct ieee80211vap 
+@@ -4018,7 +4018,26 @@ ieee80211_recv_mgmt(struct ieee80211vap 
  			vap->iv_stats.is_rx_assoc_norate++;
  			return;
  		}
diff --git a/package/madwifi/patches/390-frame_type.patch b/package/madwifi/patches/390-frame_type.patch
index 71d658b4e5..caad49c3d3 100644
--- a/package/madwifi/patches/390-frame_type.patch
+++ b/package/madwifi/patches/390-frame_type.patch
@@ -1,6 +1,6 @@
 --- a/net80211/ieee80211_input.c
 +++ b/net80211/ieee80211_input.c
-@@ -4440,7 +4440,9 @@ ath_eth_type_trans(struct sk_buff *skb, 
+@@ -4441,7 +4441,9 @@ ath_eth_type_trans(struct sk_buff *skb, 
  		if (memcmp(eth->h_dest, dev->dev_addr, ETH_ALEN))
  			skb->pkt_type = PACKET_OTHERHOST;
  
diff --git a/package/madwifi/patches/391-vap_auth.patch b/package/madwifi/patches/391-vap_auth.patch
index b317be0482..832f9e1162 100644
--- a/package/madwifi/patches/391-vap_auth.patch
+++ b/package/madwifi/patches/391-vap_auth.patch
@@ -1,6 +1,6 @@
 --- a/net80211/ieee80211_input.c
 +++ b/net80211/ieee80211_input.c
-@@ -1374,7 +1374,7 @@ ieee80211_auth_open(struct ieee80211_nod
+@@ -1375,7 +1375,7 @@ 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) {
@@ -9,7 +9,7 @@
  				if (ni == NULL)
  					return;
  				tmpnode = 1;
-@@ -1762,6 +1762,8 @@ ieee80211_ssid_mismatch(struct ieee80211
+@@ -1763,6 +1763,8 @@ ieee80211_ssid_mismatch(struct ieee80211
  }
  
  #define	IEEE80211_VERIFY_SSID(_ni, _ssid) do {				\
@@ -18,7 +18,7 @@
  	if ((_ssid)[1] != 0 &&						\
  	    ((_ssid)[1] != (_ni)->ni_esslen ||				\
  	    memcmp((_ssid) + 2, (_ni)->ni_essid, (_ssid)[1]) != 0)) {	\
-@@ -1776,6 +1778,8 @@ ieee80211_ssid_mismatch(struct ieee80211
+@@ -1777,6 +1779,8 @@ ieee80211_ssid_mismatch(struct ieee80211
  } while (0)
  #else /* !IEEE80211_DEBUG */
  #define	IEEE80211_VERIFY_SSID(_ni, _ssid) do {				\
diff --git a/package/madwifi/patches/393-mbss_vap_auth.patch b/package/madwifi/patches/393-mbss_vap_auth.patch
index d184fa2abb..71e11fa39a 100644
--- a/package/madwifi/patches/393-mbss_vap_auth.patch
+++ b/package/madwifi/patches/393-mbss_vap_auth.patch
@@ -305,7 +305,7 @@
  	if (skb != NULL)		/* no vaps, reclaim skb */
  		ieee80211_dev_kfree_skb(&skb);
  	return type;
-@@ -1146,11 +1157,9 @@ ieee80211_deliver_data(struct ieee80211_
+@@ -1147,11 +1158,9 @@ ieee80211_deliver_data(struct ieee80211_
  			 * sending it will not work; just let it be
  			 * delivered normally.
  			 */
@@ -319,7 +319,7 @@
  					!ni1->ni_subif &&
  				    ni1 != vap->iv_bss) {
  
-@@ -3519,6 +3528,7 @@ ieee80211_recv_mgmt(struct ieee80211vap 
+@@ -3520,6 +3529,7 @@ ieee80211_recv_mgmt(struct ieee80211vap 
  				 (vap->iv_opmode == IEEE80211_M_WDS)) &&
  				(scan.capinfo & IEEE80211_CAPINFO_ESS))) {
  			struct ieee80211vap *avp = NULL;
@@ -327,7 +327,7 @@
  			int found = 0;
  
  			IEEE80211_LOCK_IRQ(vap->iv_ic);
-@@ -3550,10 +3560,12 @@ ieee80211_recv_mgmt(struct ieee80211vap 
+@@ -3551,10 +3561,12 @@ ieee80211_recv_mgmt(struct ieee80211vap 
  					ni->ni_associd |= 0xc000;
  					avp->iv_wdsnode = ieee80211_ref_node(ni);
  					IEEE80211_UNLOCK_IRQ(ic);
@@ -341,7 +341,7 @@
  			} else {
  				/*
  				 * Copy data from beacon to neighbor table.
-@@ -3592,6 +3604,8 @@ ieee80211_recv_mgmt(struct ieee80211vap 
+@@ -3593,6 +3605,8 @@ ieee80211_recv_mgmt(struct ieee80211vap 
  				ni->ni_rssi = rssi;
  				ni->ni_rtsf = rtsf;
  				ni->ni_last_rx = jiffies;
diff --git a/package/madwifi/patches/394-probereq.patch b/package/madwifi/patches/394-probereq.patch
index 1dd0bcd136..becd4c99f5 100644
--- a/package/madwifi/patches/394-probereq.patch
+++ b/package/madwifi/patches/394-probereq.patch
@@ -1,6 +1,6 @@
 --- a/net80211/ieee80211_input.c
 +++ b/net80211/ieee80211_input.c
-@@ -3618,6 +3618,8 @@ ieee80211_recv_mgmt(struct ieee80211vap 
+@@ -3619,6 +3619,8 @@ ieee80211_recv_mgmt(struct ieee80211vap 
  			vap->iv_stats.is_rx_mgtdiscard++;
  			return;
  		}
diff --git a/package/madwifi/patches/396-napi_ff_fix.patch b/package/madwifi/patches/396-napi_ff_fix.patch
index 7ab5a11094..f84c4b4d77 100644
--- a/package/madwifi/patches/396-napi_ff_fix.patch
+++ b/package/madwifi/patches/396-napi_ff_fix.patch
@@ -45,7 +45,7 @@
  		local_irq_restore(flags);
 --- a/net80211/ieee80211_input.c
 +++ b/net80211/ieee80211_input.c
-@@ -1205,6 +1205,7 @@ ieee80211_deliver_data(struct ieee80211_
+@@ -1206,6 +1206,7 @@ ieee80211_deliver_data(struct ieee80211_
  		}
  	}
  
diff --git a/package/madwifi/patches/411-autochannel_multi.patch b/package/madwifi/patches/411-autochannel_multi.patch
index 1899920a60..6e6d678fd4 100644
--- a/package/madwifi/patches/411-autochannel_multi.patch
+++ b/package/madwifi/patches/411-autochannel_multi.patch
@@ -183,7 +183,7 @@
  		ieee80211_stop(vap->iv_dev);
 --- a/net80211/ieee80211_input.c
 +++ b/net80211/ieee80211_input.c
-@@ -2774,6 +2774,7 @@ static void
+@@ -2775,6 +2775,7 @@ static void
  ieee80211_doth_switch_channel(struct ieee80211vap *vap)
  {
  	struct ieee80211com *ic = vap->iv_ic;
@@ -191,7 +191,7 @@
  
  	IEEE80211_DPRINTF(vap, IEEE80211_MSG_DOTH,
  			  "%s: Channel switch to %3d (%4d MHz) NOW!\n",
-@@ -2796,6 +2797,9 @@ ieee80211_doth_switch_channel(struct iee
+@@ -2797,6 +2798,9 @@ ieee80211_doth_switch_channel(struct iee
  
  	ic->ic_curchan = ic->ic_bsschan = vap->iv_csa_chan;
  	ic->ic_set_channel(ic);
diff --git a/package/madwifi/patches/432-netdev_ops.patch b/package/madwifi/patches/432-netdev_ops.patch
index 5764ab048a..915b1a85d8 100644
--- a/package/madwifi/patches/432-netdev_ops.patch
+++ b/package/madwifi/patches/432-netdev_ops.patch
@@ -170,7 +170,7 @@ http://madwifi-project.org/changeset/4005
  #endif
 --- a/net80211/ieee80211_input.c
 +++ b/net80211/ieee80211_input.c
-@@ -1187,7 +1187,11 @@ ieee80211_deliver_data(struct ieee80211_
+@@ -1188,7 +1188,11 @@ ieee80211_deliver_data(struct ieee80211_
  			skb1->protocol = __constant_htons(ETH_P_802_2);
  			/* XXX insert vlan tag before queue it? */
  			ni_tmp = SKB_CB(skb1)->ni; /* remember node so we can free it */
diff --git a/package/madwifi/patches/441-fix_ibss_node_handling.patch b/package/madwifi/patches/441-fix_ibss_node_handling.patch
index 5894d68d52..b12cf6797d 100644
--- a/package/madwifi/patches/441-fix_ibss_node_handling.patch
+++ b/package/madwifi/patches/441-fix_ibss_node_handling.patch
@@ -44,7 +44,7 @@
  			if (dir != IEEE80211_FC1_DIR_NODS) {
  				IEEE80211_DISCARD(vap, IEEE80211_MSG_ANY,
  					wh, "data", "invalid dir 0x%x", dir);
-@@ -3555,6 +3560,11 @@ ieee80211_recv_mgmt(struct ieee80211vap 
+@@ -3556,6 +3561,11 @@ ieee80211_recv_mgmt(struct ieee80211vap 
  			} else if (vap->iv_opmode == IEEE80211_M_WDS) {
  				found = 1;
  				ni = ni_or_null = vap->iv_wdsnode;
@@ -56,7 +56,7 @@
  			}
  			IEEE80211_UNLOCK_IRQ(vap->iv_ic);
  
-@@ -3683,19 +3693,8 @@ ieee80211_recv_mgmt(struct ieee80211vap 
+@@ -3684,19 +3694,8 @@ ieee80211_recv_mgmt(struct ieee80211vap 
  			vap->iv_stats.is_rx_ssidmismatch++; /*XXX*/
  			return;
  		}