diff --git a/drivers/infiniband/hw/hns/hns_roce_ah.c b/drivers/infiniband/hw/hns/hns_roce_ah.c
index f4ceaeba5601b9081d667a93848882a4c20ab25d..9e223aa927f10ff8fdbe45bf87ea1e496c2f99e7 100644
--- a/drivers/infiniband/hw/hns/hns_roce_ah.c
+++ b/drivers/infiniband/hw/hns/hns_roce_ah.c
@@ -108,6 +108,7 @@ int hns_roce_create_ah(struct ib_ah *ibah, struct rdma_ah_init_attr *init_attr,
 	if (udata) {
 		resp.priority = ah->av.sl;
 		resp.tc_mode = tc_mode;
+		memcpy(resp.dmac, ah_attr->roce.dmac, ETH_ALEN);
 		ret = ib_copy_to_udata(udata, &resp,
 				       min(udata->outlen, sizeof(resp)));
 	}
diff --git a/include/uapi/rdma/hns-abi.h b/include/uapi/rdma/hns-abi.h
index cab941fea327873c6731d3bc72d1144f77c671d0..46373ba9c1ada138a7ceeac4d1e3bd76a68b7a99 100644
--- a/include/uapi/rdma/hns-abi.h
+++ b/include/uapi/rdma/hns-abi.h
@@ -106,7 +106,7 @@ struct hns_roce_ib_create_qp_resp {
 struct hns_roce_ib_create_ah_resp {
 	__u8    priority;
 	__u8    tc_mode;
-	__u8    reserved[6];
+	__u8	dmac[6];
 };
 
 struct hns_roce_ib_modify_qp_resp {