[PATCH V2 for-next 16/19] IB/hns: Update the rq head when modify qp state

Salil Mehta
2016-09-20T16:07:09Z

The rq head in qpc was zero will miss the rq wqes which
have be sent, so here we should take the real value.

Signed-off-by: Lijun Ou <oulijun@huawei.com>
Reviewed-by: Wei Hu (Xavier) <xavier.huwei@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
---
drivers/infiniband/hw/hns/hns_roce_hw_v1.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
index bc06004..2070e9e 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
@@ -2248,7 +2248,8 @@ static int hns_roce_v1_m_qp(struct ib_qp *ibqp, const struct ib_qp_attr *attr,

roce_set_field(context->qpc_bytes_68,
QP_CONTEXT_QPC_BYTES_68_RQ_HEAD_M,
- QP_CONTEXT_QPC_BYTES_68_RQ_HEAD_S, 0);
+ QP_CONTEXT_QPC_BYTES_68_RQ_HEAD_S,
+ hr_qp->rq.head);
roce_set_field(context->qpc_bytes_68,
QP_CONTEXT_QPC_BYTES_68_RQ_CUR_INDEX_M,
QP_CONTEXT_QPC_BYTES_68_RQ_CUR_INDEX_S, 0);
--
1.9.1