fixes mbssid on ralink hardware

Signed-off-by: John Crispin <blogic@openwrt.org>

SVN-Revision: 35986

package/mac80211/files/lib/wifi/mac80211.sh

@@ -272,10 +272,12 @@ get_freq() {
 mac80211_generate_mac() {
 	local off="$1"
 	local mac="$2"
+	local mask="$3"
 	local oIFS="$IFS"; IFS=":"; set -- $mac; IFS="$oIFS"
 
 	local b2mask=0x00
-	[ $off -gt 0 ] && b2mask=0x02
+	[ $off -gt 0 ] &&
+		[ "$mask" = "00:00:00:00:00:00" -o $(( 0x${mask%%:*} & 0x2 )) -gt 0 ] && b2mask=0x02
 
 	printf "%02x:%s:%s:%s:%02x:%02x" \
 		$(( 0x$1 | $b2mask )) $2 $3 $4 \
@@ -375,7 +377,7 @@ enable_mac80211() {
 		config_get macaddr "$device" macaddr
 		config_get vif_mac "$vif" macaddr
 		[ -n "$vif_mac" ] || {
-			vif_mac="$(mac80211_generate_mac $macidx $macaddr)"
+			vif_mac="$(mac80211_generate_mac $macidx $macaddr $(cat /sys/class/ieee80211/${phy}/address_mask))"
 			macidx="$(($macidx + 1))"
 		}
 		[ "$mode" = "ap" ] || ifconfig "$ifname" hw ether "$vif_mac"