wpa_supplicant: Allow disabling HT in AP mode without HT overrides

Since VHT can be toggled explicitly, also expose being able to disable
HT explicitly, without requiring HT overrides. Continue making it
default to enabled though.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>

wpa_supplicant/ap.c

@@ -145,12 +145,15 @@ int wpa_supplicant_conf_ap_ht(struct wpa_supplicant *wpa_s,
 		}
 
 #ifdef CONFIG_HT_OVERRIDES
-		if (ssid->disable_ht) {
+		if (ssid->disable_ht)
+			ssid->ht = 0;
+#endif /* CONFIG_HT_OVERRIDES */
+
+		if (!ssid->ht) {
 			conf->ieee80211n = 0;
 			conf->ht_capab = 0;
 			no_ht = 1;
 		}
-#endif /* CONFIG_HT_OVERRIDES */
 
 		if (!no_ht && mode && mode->ht_capab) {
 			conf->ieee80211n = 1;

wpa_supplicant/config.c

@@ -1995,6 +1995,7 @@ static const struct parse_data ssid_fields[] = {
 	{ FUNC(auth_alg) },
 	{ FUNC(scan_freq) },
 	{ FUNC(freq_list) },
+	{ INT_RANGE(ht, 0, 1) },
 	{ INT_RANGE(vht, 0, 1) },
 	{ INT_RANGE(ht40, -1, 1) },
 	{ INT_RANGE(max_oper_chwidth, VHT_CHANWIDTH_USE_HT,
@@ -2580,6 +2581,7 @@ void wpa_config_set_network_defaults(struct wpa_ssid *ssid)
 	ssid->group_cipher = DEFAULT_GROUP;
 	ssid->key_mgmt = DEFAULT_KEY_MGMT;
 	ssid->bg_scan_period = DEFAULT_BG_SCAN_PERIOD;
+	ssid->ht = 1;
 #ifdef IEEE8021X_EAPOL
 	ssid->eapol_flags = DEFAULT_EAPOL_FLAGS;
 	ssid->eap_workaround = DEFAULT_EAP_WORKAROUND;

wpa_supplicant/config_file.c

@@ -793,6 +793,7 @@ static void wpa_config_write_network(FILE *f, struct wpa_ssid *ssid)
 	INT(peerkey);
 	INT(mixed_cell);
 	INT(vht);
+	INT_DEF(ht, 1);
 	INT(ht40);
 	INT(max_oper_chwidth);
 	INT(vht_center_freq1);

wpa_supplicant/config_ssid.h

@@ -470,6 +470,7 @@ struct wpa_ssid {
 	int dot11MeshConfirmTimeout; /* msec */
 	int dot11MeshHoldingTimeout; /* msec */
 
+	int ht;
 	int ht40;
 
 	int vht;

wpa_supplicant/wpa_cli.c

@@ -1372,7 +1372,7 @@ static const char *network_fields[] = {
 	"bssid_whitelist", "psk", "proto", "key_mgmt",
 	"bg_scan_period", "pairwise", "group", "auth_alg", "scan_freq",
 	"freq_list", "max_oper_chwidth", "ht40", "vht", "vht_center_freq1",
-	"vht_center_freq2",
+	"vht_center_freq2", "ht",
 #ifdef IEEE8021X_EAPOL
 	"eap", "identity", "anonymous_identity", "password", "ca_cert",
 	"ca_path", "client_cert", "private_key", "private_key_passwd",