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authoroulijun <oulijun@huawei.com>2018-04-26 09:46:22 +0300
committerDoug Ledford <dledford@redhat.com>2018-04-27 21:20:47 +0300
commit634f63902277700d0a02eaa101cc685958c35aa4 (patch)
tree05037b2f84def834387fae217ece2750fd9c0836 /drivers/infiniband/hw
parentae25db00285bf664fbd78222491b29aac6242902 (diff)
downloadlinux-634f63902277700d0a02eaa101cc685958c35aa4.tar.xz
RDMA/hns: Update assignment method for owner field of send wqe
When posting a work reqeust, it need to update the owner bit of send wqe. This patch mainly fix the bug when posting multiply work request. Signed-off-by: Lijun Ou <oulijun@huawei.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw')
-rw-r--r--drivers/infiniband/hw/hns/hns_roce_hw_v2.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
index 51ec60a9cfd5..8ea5470303ee 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
@@ -187,7 +187,8 @@ static int hns_roce_v2_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
qp->sq.wrid[(qp->sq.head + nreq) & (qp->sq.wqe_cnt - 1)] =
wr->wr_id;
- owner_bit = ~(qp->sq.head >> ilog2(qp->sq.wqe_cnt)) & 0x1;
+ owner_bit =
+ ~(((qp->sq.head + nreq) >> ilog2(qp->sq.wqe_cnt)) & 0x1);
/* Corresponding to the QP type, wqe process separately */
if (ibqp->qp_type == IB_QPT_GSI) {