diff --git a/net/tipc/socket.h b/net/tipc/socket.h
index 74e5c7f..86c27cc 100644
--- a/net/tipc/socket.h
+++ b/net/tipc/socket.h
@@ -44,12 +44,14 @@
  * @port: port - interacts with 'sk' and with the rest of the TIPC stack
  * @peer_name: the peer of the connection, if any
  * @conn_timeout: the time we can wait for an unresponded setup request
+ * @dupl_rcvcnt: number of bytes counted twice, in both backlog and rcv queue
  */
 
 struct tipc_sock {
 	struct sock sk;
 	struct tipc_port port;
 	unsigned int conn_timeout;
+	atomic_t dupl_rcvcnt;
 };
 
 static inline struct tipc_sock *tipc_sk(const struct sock *sk)