diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 75fcc97886de026969e61f7c87a1df24b7337499..284b00c8fea4a4f67943aa7979d1b51728e5732e 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -81,6 +81,7 @@ enum ib_gid_type {
 	IB_GID_TYPE_SIZE
 };
 
+#define ROCE_V2_UDP_DPORT      4791
 struct ib_gid_attr {
 	enum ib_gid_type	gid_type;
 	struct net_device	*ndev;