diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index db58f11..029541a 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -2205,6 +2205,7 @@ struct rdma_netdev {
 	void              *clnt_priv;
 	struct ib_device  *hca;
 	u8                 port_num;
+	int                mtu;
 
 	/*
 	 * cleanup function must be specified.