Allow HT 40 MHz intolerant flag to be set for association

This extends HT overrides to allow HT 40 MHz intolerant flag to be set
with ht40_intolerant=1.

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

wpa_supplicant/config.c

@@ -1702,6 +1702,7 @@ static const struct parse_data ssid_fields[] = {
 	{ INT_RANGE(disable_ht40, -1, 1) },
 	{ INT_RANGE(disable_sgi, 0, 1) },
 	{ INT_RANGE(disable_ldpc, 0, 1) },
+	{ INT_RANGE(ht40_intolerant, 0, 1) },
 	{ INT_RANGE(disable_max_amsdu, -1, 1) },
 	{ INT_RANGE(ampdu_factor, -1, 3) },
 	{ INT_RANGE(ampdu_density, -1, 7) },

wpa_supplicant/config_ssid.h

@@ -533,6 +533,11 @@ struct wpa_ssid {
 	 */
 	int disable_ldpc;
 
+	/**
+	 * ht40_intolerant - Indicate 40 MHz intolerant for this network
+	 */
+	int ht40_intolerant;
+
 	/**
 	 * disable_max_amsdu - Disable MAX A-MSDU
 	 *

wpa_supplicant/wpa_supplicant.c

@@ -2967,6 +2967,12 @@ void wpa_supplicant_apply_ht_overrides(
 	wpa_set_disable_ht40(wpa_s, htcaps, htcaps_mask, ssid->disable_ht40);
 	wpa_set_disable_sgi(wpa_s, htcaps, htcaps_mask, ssid->disable_sgi);
 	wpa_set_disable_ldpc(wpa_s, htcaps, htcaps_mask, ssid->disable_ldpc);
+
+	if (ssid->ht40_intolerant) {
+		u16 bit = host_to_le16(HT_CAP_INFO_40MHZ_INTOLERANT);
+		htcaps->ht_capabilities_info |= bit;
+		htcaps_mask->ht_capabilities_info |= bit;
+	}
 }
 
 #endif /* CONFIG_HT_OVERRIDES */

wpa_supplicant/wpa_supplicant.conf

@@ -951,6 +951,10 @@ fast_reauth=1
 # 0 = LDPC enabled (if AP supports it)
 # 1 = LDPC disabled
 #
+# ht40_intolerant: Whether 40 MHz intolerant should be indicated.
+# 0 = 40 MHz tolerant (default)
+# 1 = 40 MHz intolerant
+#
 # ht_mcs:  Configure allowed MCS rates.
 #  Parsed as an array of bytes, in base-16 (ascii-hex)
 # ht_mcs=""                                   // Use all available (default)