batman-adv: tvlv - add distributed arp table container

Create DAT container to announce DAT 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 6d0b3a7..8d470b2 100644
--- a/net/batman-adv/packet.h
+++ b/net/batman-adv/packet.h
@@ -121,9 +121,11 @@
 /**
  * enum batadv_tvlv_type - tvlv type definitions
  * @BATADV_TVLV_GW: gateway tvlv
+ * @BATADV_TVLV_DAT: distributed arp table tvlv
  */
 enum batadv_tvlv_type {
 	BATADV_TVLV_GW		= 0x01,
+	BATADV_TVLV_DAT		= 0x02,
 };
 
 /* the destination hardware field in the ARP frame is used to