wpa-supplicant: add 802.11r client support

Add 802.11r client support to wpa_supplicant. It's only enabled in
wpa_supplicant-full. hostapd gained 802.11r support in commit r45051.

Tested on a TP-Link TL-WR710N sta psk client with two 802.11r enabled
openwrt accesspoints (TP-Link TL-WDR3600).

Signed-off-by: Stefan Hellermann <stefan@the2masters.de>

SVN-Revision: 46377

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

@@ -538,7 +538,9 @@ wpa_supplicant_add_network() {
 	json_get_vars \
 		ssid bssid key \
 		basic_rate mcast_rate \
-		ieee80211w
+		ieee80211w ieee80211r
+
+	set_default ieee80211r 0
 
 	local key_mgmt='NONE'
 	local enc_str=
@@ -549,6 +551,8 @@ wpa_supplicant_add_network() {
 	local scan_ssid="scan_ssid=1"
 	local freq
 
+	[ "$ieee80211r" -gt 0 ] && wpa_key_mgmt="FT-PSK $wpa_key_mgmt"
+
 	[[ "$_w_mode" = "adhoc" ]] && {
 		append network_data "mode=1" "$N$T"
 		[ -n "$channel" ] && {
@@ -594,6 +598,7 @@ wpa_supplicant_add_network() {
 		;;
 		eap)
 			key_mgmt='WPA-EAP'
+		        [ "$ieee80211r" -gt 0 ] && key_mgmt="FT-EAP $key_mgmt"
 
 			json_get_vars eap_type identity ca_cert
 			[ -n "$ca_cert" ] && append network_data "ca_cert=\"$ca_cert\"" "$N$T"

package/network/services/hostapd/files/wpa_supplicant-full.config

@@ -367,7 +367,7 @@ CONFIG_INTERNAL_LIBTOMMATH_FAST=y
 #CONFIG_DYNAMIC_EAP_METHODS=y
 
 # IEEE Std 802.11r-2008 (Fast BSS Transition)
-#CONFIG_IEEE80211R=y
+CONFIG_IEEE80211R=y
 
 # Add support for writing debug log to a file (/tmp/wpa_supplicant-log-#.txt)
 #CONFIG_DEBUG_FILE=y