HS 2.0: Add runtime configuration of Hotspot 2.0 station

Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>

wpa_supplicant/config.c

@@ -2875,6 +2875,9 @@ static const struct global_parse_data global_fields[] = {
 	{ INT_RANGE(filter_ssids, 0, 1), 0 },
 	{ INT(max_num_sta), 0 },
 	{ INT_RANGE(disassoc_low_ack, 0, 1), 0 },
+#ifdef CONFIG_HS20
+	{ INT_RANGE(hs20, 0, 1), 0 },
+#endif /* CONFIG_HS20 */
 	{ INT_RANGE(interworking, 0, 1), 0 },
 	{ FUNC(hessid), 0 },
 	{ INT_RANGE(access_network_type, 0, 15), 0 },

wpa_supplicant/config.h

@@ -612,6 +612,11 @@ struct wpa_config {
 	 */
 	u8 hessid[ETH_ALEN];
 
+	/**
+	 * hs20 - Hotspot 2.0
+	 */
+	int hs20;
+
 	/**
 	 * pbc_in_m1 - AP mode WPS probing workaround for PBC with Windows 7
 	 *

wpa_supplicant/config_file.c

@@ -836,6 +836,10 @@ static void wpa_config_write_global(FILE *f, struct wpa_config *config)
 		fprintf(f, "max_num_sta=%u\n", config->max_num_sta);
 	if (config->disassoc_low_ack)
 		fprintf(f, "disassoc_low_ack=%u\n", config->disassoc_low_ack);
+#ifdef CONFIG_HS20
+	if (config->hs20)
+		fprintf(f, "hs20=1\n");
+#endif /* CONFIG_HS20 */
 #ifdef CONFIG_INTERWORKING
 	if (config->interworking)
 		fprintf(f, "interworking=%u\n", config->interworking);

wpa_supplicant/wpa_supplicant.conf

@@ -327,6 +327,9 @@ fast_reauth=1
 #	milenage="90dca4eda45b53cf0f12d7c9c3bc6a89:cb9cccc4b9258e6dca4760379fb82"
 #}
 
+# Hotspot 2.0
+# hs20=1
+
 # network block
 #
 # Each network (usually AP's sharing the same SSID) is configured as a separate