Advertise QoS Map support based on driver capability

Do not assume the driver supports QoS Mapping, but instead, advertise
support for this only if CONFIG_INTERWORKING is defined and driver
indicates support for configuring QoS Map.

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

src/drivers/driver.h

@@ -910,6 +910,8 @@ struct wpa_driver_capa {
 #define WPA_DRIVER_FLAGS_RADAR				0x10000000
 /* Driver supports a dedicated interface for P2P Device */
 #define WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE		0x20000000
+/* Driver supports QoS Mapping */
+#define WPA_DRIVER_FLAGS_QOS_MAPPING			0x40000000
 	unsigned int flags;
 
 	int max_scan_ssids;

src/drivers/driver_nl80211.c

@@ -3105,6 +3105,7 @@ struct wiphy_info_data {
 	unsigned int p2p_client_supported:1;
 	unsigned int p2p_concurrent:1;
 	unsigned int channel_switch_supported:1;
+	unsigned int set_qos_map_supported:1;
 };
 
 
@@ -3265,6 +3266,9 @@ static void wiphy_info_supp_cmds(struct wiphy_info_data *info,
 		case NL80211_CMD_CHANNEL_SWITCH:
 			info->channel_switch_supported = 1;
 			break;
+		case NL80211_CMD_SET_QOS_MAP:
+			info->set_qos_map_supported = 1;
+			break;
 		}
 	}
 }
@@ -3527,6 +3531,8 @@ static int wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv)
 	drv->poll_command_supported = info.poll_command_supported;
 	drv->data_tx_status = info.data_tx_status;
 	drv->channel_switch_supported = info.channel_switch_supported;
+	if (info.set_qos_map_supported)
+		drv->capa.flags |= WPA_DRIVER_FLAGS_QOS_MAPPING;
 
 	/*
 	 * If poll command and tx status are supported, mac80211 is new enough

wpa_supplicant/wpa_supplicant.c

@@ -1229,7 +1229,8 @@ static void wpas_ext_capab_byte(struct wpa_supplicant *wpa_s, u8 *pos, int idx)
 		break;
 	case 4: /* Bits 32-39 */
 #ifdef CONFIG_INTERWORKING
-		*pos |= 0x01; /* Bit 32 - QoS Map */
+		if (wpa_s->drv_flags / WPA_DRIVER_FLAGS_QOS_MAPPING)
+			*pos |= 0x01; /* Bit 32 - QoS Map */
 #endif /* CONFIG_INTERWORKING */
 		break;
 	case 5: /* Bits 40-47 */