From: Felix Fietkau <nbd@openwrt.org>
Date: Sat, 15 Jan 2011 13:41:10 +0000 (+0000)
Subject: mac80211: fix frames looping back to a wds station
X-Git-Url: http://git.openwrt.org/?p=openwrt%2Fsvn-archive%2Farchive.git;a=commitdiff_plain;h=31ff66b49865e952df75b717b748e3d7397e6ae6

mac80211: fix frames looping back to a wds station

SVN-Revision: 25008
---

diff --git a/package/mac80211/patches/560-mac80211_wds_sta_fix.patch b/package/mac80211/patches/560-mac80211_wds_sta_fix.patch
new file mode 100644
index 0000000000..a0418b6309
--- /dev/null
+++ b/package/mac80211/patches/560-mac80211_wds_sta_fix.patch
@@ -0,0 +1,18 @@
+--- a/net/mac80211/rx.c
++++ b/net/mac80211/rx.c
+@@ -1561,9 +1561,13 @@ __ieee80211_data_to_8023(struct ieee8021
+ 	    sdata->vif.type == NL80211_IFTYPE_AP_VLAN && !sdata->u.vlan.sta)
+ 		return -1;
+ 
++	if (!ieee80211_802_1x_port_control(rx) &&
++	    sdata->vif.type == NL80211_IFTYPE_STATION &&
++	    !!sdata->u.mgd.use_4addr != !!ieee80211_has_a4(hdr->frame_control))
++		return -1;
++
+ 	if (is_multicast_ether_addr(hdr->addr1) &&
+-	    ((sdata->vif.type == NL80211_IFTYPE_AP_VLAN && sdata->u.vlan.sta) ||
+-	     (sdata->vif.type == NL80211_IFTYPE_STATION && sdata->u.mgd.use_4addr)))
++	    sdata->vif.type == NL80211_IFTYPE_AP_VLAN && sdata->u.vlan.sta)
+ 		return -1;
+ 
+ 	return ieee80211_data_to_8023(rx->skb, sdata->vif.addr, sdata->vif.type);