core,wifi-p2p: Fix Wi-Fi P2P device type

The device type was set to the GType rather than a new value in the
NMDeviceType enum.

Add the corresponding enum entry, fix the device type and set the
routing priority to the same value as generic devices.

libnm-core/nm-dbus-interface.h

@@ -222,6 +222,7 @@ typedef enum {
  * @NM_DEVICE_TYPE_WPAN: a IEEE 802.15.4 (WPAN) MAC Layer Device
  * @NM_DEVICE_TYPE_6LOWPAN: 6LoWPAN interface
  * @NM_DEVICE_TYPE_WIREGUARD: a WireGuard interface
+ * @NM_DEVICE_TYPE_WIFI_P2P: an 802.11 Wi-Fi P2P device (Since: 1.16)
  *
  * #NMDeviceType values indicate the type of hardware represented by a
  * device object.
@@ -257,6 +258,7 @@ typedef enum {
 	NM_DEVICE_TYPE_WPAN          = 27,
 	NM_DEVICE_TYPE_6LOWPAN       = 28,
 	NM_DEVICE_TYPE_WIREGUARD     = 29,
+	NM_DEVICE_TYPE_WIFI_P2P      = 30,
 } NMDeviceType;
 
 /**

libnm/nm-device.c

@@ -294,6 +294,7 @@ coerce_type (NMDeviceType type)
 	case NM_DEVICE_TYPE_WPAN:
 	case NM_DEVICE_TYPE_6LOWPAN:
 	case NM_DEVICE_TYPE_WIREGUARD:
+	case NM_DEVICE_TYPE_WIFI_P2P:
 		return type;
 	}
 	return NM_DEVICE_TYPE_UNKNOWN;
@@ -1427,6 +1428,8 @@ get_type_name (NMDevice *device)
 		return _("6LoWPAN");
 	case NM_DEVICE_TYPE_WIREGUARD:
 		return _("WireGuard");
+	case NM_DEVICE_TYPE_WIFI_P2P:
+		return _("Wi-Fi P2P");
 	case NM_DEVICE_TYPE_GENERIC:
 	case NM_DEVICE_TYPE_UNUSED1:
 	case NM_DEVICE_TYPE_UNUSED2:

src/devices/nm-device.c

@@ -2114,6 +2114,7 @@ nm_device_get_route_metric_default (NMDeviceType device_type)
 		return 800;
 	case NM_DEVICE_TYPE_WPAN:
 		return 850;
+	case NM_DEVICE_TYPE_WIFI_P2P:
 	case NM_DEVICE_TYPE_GENERIC:
 		return 950;
 	case NM_DEVICE_TYPE_UNKNOWN:

src/devices/wifi/nm-device-wifi-p2p.c

@@ -1241,7 +1241,7 @@ nm_device_wifi_p2p_new (const char *iface)
 	return g_object_new (NM_TYPE_DEVICE_WIFI_P2P,
 	                     NM_DEVICE_IFACE, iface,
 	                     NM_DEVICE_TYPE_DESC, "802.11 Wi-Fi P2P",
-	                     NM_DEVICE_DEVICE_TYPE, NM_TYPE_DEVICE_WIFI_P2P,
+	                     NM_DEVICE_DEVICE_TYPE, NM_DEVICE_TYPE_WIFI_P2P,
 	                     NM_DEVICE_LINK_TYPE, NM_LINK_TYPE_WIFI,
 	                     NM_DEVICE_RFKILL_TYPE, RFKILL_TYPE_WLAN,
 	                     NULL);