hostapd: Add eapol_version config option

Add eapol_version to the openwrt wireless config ssid section.
Only eapol_version=1 and 2 will get passed to hostapd, the default
in hostapd is 2.

This is only useful for really old client devices that don't
accept eapol_version=2.

Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>

SVN-Revision: 46861

package/network/services/hostapd/files/netifd.sh

@@ -120,6 +120,7 @@ hostapd_common_add_bss_config() {
 
 	config_add_boolean rsn_preauth auth_cache
 	config_add_int ieee80211w
+	config_add_int eapol_version
 
 	config_add_string 'auth_server:host' 'server:host'
 	config_add_string auth_secret
@@ -183,7 +184,7 @@ hostapd_set_bss_options() {
 		wps_pushbutton wps_label ext_registrar wps_pbc_in_m1 \
 		wps_device_type wps_device_name wps_manufacturer wps_pin \
 		macfilter ssid wmm uapsd hidden short_preamble rsn_preauth \
-		iapp_interface
+		iapp_interface eapol_version
 
 	set_default isolate 0
 	set_default maxassoc 0
@@ -238,6 +239,8 @@ hostapd_set_bss_options() {
 				[ -e "$wpa_psk_file" ] || touch "$wpa_psk_file"
 				append bss_conf "wpa_psk_file=$wpa_psk_file" "$N"
 			}
+			[ "$eapol_version" -ge "1" -a "$eapol_version" -le "2" ] && append bss_conf "eapol_version=$eapol_version" "$N"
+
 			wps_possible=1
 			append wpa_key_mgmt "WPA-PSK"
 		;;
@@ -297,6 +300,8 @@ hostapd_set_bss_options() {
 					append bss_conf "vlan_file=$vlan_file" "$N"
 				}
 			}
+
+			[ "$eapol_version" -ge "1" -a "$eapol_version" -le "2" ] && append bss_conf "eapol_version=$eapol_version" "$N"
 		;;
 		wep)
 			local wep_keyidx=0