1 files changed, 17 insertions, 0 deletions

diff --git a/net/batman-adv/packet.h b/net/batman-adv/packet.h
index 45e75ed6637d..59800e82371a 100644
--- a/net/batman-adv/packet.h
+++ b/net/batman-adv/packet.h
@@ -90,6 +90,23 @@ enum tt_client_flags {
         TT_CLIENT_PENDING = 1 << 10
 };
 
+/* claim frame types for the bridge loop avoidance */
+enum bla_claimframe {
+        CLAIM_TYPE_ADD          = 0x00,
+        CLAIM_TYPE_DEL          = 0x01,
+        CLAIM_TYPE_ANNOUNCE     = 0x02,
+        CLAIM_TYPE_REQUEST      = 0x03
+};
+
+/* the destination hardware field in the ARP frame is used to
+ * transport the claim type and the group id
+ */
+struct bla_claim_dst {
+        uint8_t magic[3];       /* FF:43:05 */
+        uint8_t type;           /* bla_claimframe */
+        uint16_t group;         /* group id */
+} __packed;
+
 struct batman_header {
         uint8_t  packet_type;
         uint8_t  version;  /* batman version field */