mac80211: fix lookup for vlan'd stations for injected frames - fixes wpa rekeying with wds ap

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@19790 3c298f89-4303-0410-b956-a3cf2f4a3e73

package/mac80211/patches/570-ap_vlan_injection.patch

@@ -0,0 +1,11 @@
+--- a/net/mac80211/tx.c
++++ b/net/mac80211/tx.c
+@@ -1135,6 +1135,8 @@ ieee80211_tx_prepare(struct ieee80211_su
+ 		tx->sta = rcu_dereference(sdata->u.vlan.sta);
+ 		if (!tx->sta && sdata->dev->ieee80211_ptr->use_4addr)
+ 			return TX_DROP;
++	} else if (sdata->vif.type == NL80211_IFTYPE_AP) {
++		tx->sta = sta_info_get_bss(sdata, hdr->addr1);
+ 	}
+ 	if (!tx->sta)
+ 		tx->sta = sta_info_get(sdata, hdr->addr1);