On Tue, Jan 05, 2021 at 04:47:03PM +0800, Weihang Li wrote: > diff --git a/include/uapi/rdma/hns-abi.h b/include/uapi/rdma/hns-abi.h > index 90b739d..79dba94 100644 > +++ b/include/uapi/rdma/hns-abi.h > @@ -77,6 +77,7 @@ enum hns_roce_qp_cap_flags { > HNS_ROCE_QP_CAP_RQ_RECORD_DB = 1 << 0, > HNS_ROCE_QP_CAP_SQ_RECORD_DB = 1 << 1, > HNS_ROCE_QP_CAP_OWNER_DB = 1 << 2, > + HNS_ROCE_QP_CAP_UD_SQ_INL = 1 << 3, I don't understand why you need this flag. The # of bytes of inline data should be returned from create_qp in the max_inline_data cap. If things doesn't support inline data then shouldn't that just return 0? Jason