diff --git a/libc/kernel/uapi/rdma/hns-abi.h b/libc/kernel/uapi/rdma/hns-abi.h
index f9effb3..54a5672 100644
--- a/libc/kernel/uapi/rdma/hns-abi.h
+++ b/libc/kernel/uapi/rdma/hns-abi.h
@@ -81,4 +81,8 @@
 struct hns_roce_ib_alloc_pd_resp {
   __u32 pdn;
 };
+struct hns_roce_ib_create_ah_resp {
+  __u8 dmac[6];
+  __u8 reserved[2];
+};
 #endif