diff --git a/include/net/tcp.h b/include/net/tcp.h
index 30fe98b..cec6e2c 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -1615,6 +1615,8 @@
 	int (*send_synack)(struct sock *sk, struct dst_entry *dst,
 			   struct flowi *fl, struct request_sock *req,
 			   u16 queue_mapping, struct tcp_fastopen_cookie *foc);
+	void (*queue_hash_add)(struct sock *sk, struct request_sock *req,
+			       const unsigned long timeout);
 };
 
 #ifdef CONFIG_SYN_COOKIES