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RDMA/hns: Update the usage of ack timeout in hip08 

The ack timeout's value in qp context shall be a 5-bit value
and be assgined by users. When at of qpc is set zero, the
timer is disabled.

When attr_mask set for IB_QP_TIMEOUT, The ack timeout field
is effective.

Signed-off-by: Lijun Ou <oulijun@huawei.com>
Signed-off-by: Wei Hu (Xavier) <xavier.huwei@huawei.com>
Signed-off-by: Shaobo Xu <xushaobo2@huawei.com>
Signed-off-by: Yixian Liu <liuyixian@huawei.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
oulijun 2017-11-10 16:55:49 +08:00 committed by Doug Ledford
parent befb63b43d
commit 2872646134
1 changed files with 4 additions and 7 deletions
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11
drivers/infiniband/hw/hns/hns_roce_hw_v2.c
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@ -2725,15 +2725,12 @@ static int modify_qp_rtr_to_rts(struct ib_qp *ibqp,
roce_set_field(qpc_mask->byte_212_lsn, V2_QPC_BYTE_212_LSN_M,
V2_QPC_BYTE_212_LSN_S, 0);
if (attr->timeout < 0xf)
roce_set_field(context->byte_28_at_fl, V2_QPC_BYTE_28_AT_M,
V2_QPC_BYTE_28_AT_S, 0xf);
else
if (attr_mask & IB_QP_TIMEOUT) {
roce_set_field(context->byte_28_at_fl, V2_QPC_BYTE_28_AT_M,
V2_QPC_BYTE_28_AT_S, attr->timeout);
roce_set_field(qpc_mask->byte_28_at_fl, V2_QPC_BYTE_28_AT_M,
V2_QPC_BYTE_28_AT_S, 0);
roce_set_field(qpc_mask->byte_28_at_fl, V2_QPC_BYTE_28_AT_M,
V2_QPC_BYTE_28_AT_S, 0);
}
roce_set_field(context->byte_28_at_fl, V2_QPC_BYTE_28_SL_M,
V2_QPC_BYTE_28_SL_S,