mac80211: modify mac80211.sh to in order to support IBSS-RSN

Signed-off-by: Antonio Quartulli <ordex@autistici.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@31083 3c298f89-4303-0410-b956-a3cf2f4a3e73

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

@@ -447,6 +447,17 @@ enable_mac80211() {
 				config_get mcast_rate "$vif" mcast_rate
 
 				local keyspec=""
+				[ "$encryption" == "psk" -o "$encryption" == "psk2" ] && {
+					if eval "type wpa_supplicant_setup_vif" 2>/dev/null >/dev/null; then
+						wpa_supplicant_setup_vif "$vif" nl80211 "" $freq || {
+							echo "enable_mac80211($device): Failed to set up wpa_supplicant for interface $ifname" >&2
+							# make sure this wifi interface won't accidentally stay open without encryption
+							ifconfig "$ifname" down
+							continue
+						}
+					fi
+				}
+
 				[ "$encryption" == "wep" ] && {
 					case "$key" in
 						[1234])