RDMA/hns: Remove the condition of light load for posting DWQE

Even in the case of heavy load, direct WQE can still be posted. The
hardware will decide whether to drop the DWQE or not. Thus, the limit
needs to be removed.

Fixes: 01584a5edcc4 ("RDMA/hns: Add support of direct wqe")
Link: https://lore.kernel.org/r/1619593950-29414-1-git-send-email-liweihang@huawei.com
Signed-off-by: Yixian Liu <liuyixian@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
index 7652daf..49bb4f5 100644 (file)
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
@@ -791,8 +791,7 @@ out:
                qp->sq.head += nreq;
                qp->next_sge = sge_idx;
 
-               if (nreq == 1 && qp->sq.head == qp->sq.tail + 1 &&
-                   (qp->en_flags & HNS_ROCE_QP_CAP_DIRECT_WQE))
+               if (nreq == 1 && (qp->en_flags & HNS_ROCE_QP_CAP_DIRECT_WQE))
                        write_dwqe(hr_dev, qp, wqe);
                else
                        update_sq_db(hr_dev, qp);