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Commit 28726461 authored Nov 10, 2017 by oulijun Committed by Doug Ledford Nov 10, 2017

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>

parent befb63b4

drivers/infiniband/hw/hns/hns_roce_hw_v2.c

+4 −7

Original line number	Diff line number	Diff line
		@@ -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(context->byte_28_at_fl, V2_QPC_BYTE_28_SL_M,
		V2_QPC_BYTE_28_SL_S,