batman-adv: tvlv - add network coding container

Create network coding container to announce network coding
capabilities (if enabled).

Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
diff --git a/net/batman-adv/packet.h b/net/batman-adv/packet.h
index 8d470b2..55deb4d 100644
--- a/net/batman-adv/packet.h
+++ b/net/batman-adv/packet.h
@@ -122,10 +122,12 @@
  * enum batadv_tvlv_type - tvlv type definitions
  * @BATADV_TVLV_GW: gateway tvlv
  * @BATADV_TVLV_DAT: distributed arp table tvlv
+ * @BATADV_TVLV_NC: network coding tvlv
  */
 enum batadv_tvlv_type {
 	BATADV_TVLV_GW		= 0x01,
 	BATADV_TVLV_DAT		= 0x02,
+	BATADV_TVLV_NC		= 0x03,
 };
 
 /* the destination hardware field in the ARP frame is used to