P2P: Show P2P peer signal level in D-Bus P2P device properties

Move level parameter from p2p_device to p2p_device_info in order to
expose this information and modify D-Bus P2P handler to return this new
parameter through the P2P device properties.

Signed-off-by: Fabien Marotte <fabienx.marotte@intel.com>
Signed-off-by: Jayant Sane <jayant.sane@intel.com>

src/p2p/p2p.c

@@ -576,7 +576,7 @@ int p2p_add_device(struct p2p_data *p2p, const u8 *addr, int freq, int level,
 	dev->listen_freq = freq;
 	if (msg.group_info)
 		dev->oper_freq = freq;
-	dev->level = level;
+	dev->info.level = level;
 
 	p2p_copy_wps_info(dev, 0, &msg);
 
@@ -2961,7 +2961,7 @@ int p2p_get_peer_info(struct p2p_data *p2p, const u8 *addr, int next,
 			  "invitation_reqs=%u\n",
 			  (int) (now.sec - dev->last_seen.sec),
 			  dev->listen_freq,
-			  dev->level,
+			  dev->info.level,
 			  p2p_wps_method_text(dev->wps_method),
 			  MAC2STR(dev->interface_addr),
 			  MAC2STR(dev->member_in_go_dev),

src/p2p/p2p.h

@@ -179,6 +179,11 @@ struct p2p_peer_info {
 	 */
 	char serial_number[33];
 
+	/**
+	 * level - Signal level
+	 */
+	int level;
+
 	/**
 	 * config_methods - WPS Configuration Methods
 	 */

src/p2p/p2p_i.h

@@ -33,7 +33,6 @@ struct p2p_device {
 	struct dl_list list;
 	struct os_time last_seen;
 	int listen_freq;
-	int level;
 	enum p2p_wps_method wps_method;
 
 	struct p2p_peer_info info;

wpa_supplicant/dbus/dbus_new_handlers_p2p.c

@@ -1112,6 +1112,9 @@ DBusMessage *wpas_dbus_getter_p2p_peer_properties(DBusMessage * message,
 	if (!wpa_dbus_dict_append_uint16(&dict_iter, "config_method",
 					 info->config_methods))
 		goto err_no_mem;
+	if (!wpa_dbus_dict_append_uint16(&dict_iter, "level",
+					 info->level))
+		goto err_no_mem;
 	if (!wpa_dbus_dict_append_byte(&dict_iter, "devicecapability",
 				       info->dev_capab))
 		goto err_no_mem;