On Tue, Jan 11, 2022 at 02:34:51AM +0000, yangx.jy@xxxxxxxxxxx wrote: > struct rxe_send_wr { > ... > struct { > __aligned_u64 remote_addr; > __u32 rkey; > __u32 reserved; > + __aligned_u64 atomic_wr; > } rdma; > ... > } > If it is also wrong, how to extend struct rdma? I think that coudl be OK, you need to confirm that the size of rxe_send_wr didn't change Jason