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RDMA/hns: Only assign mtu if IB_QP_PATH_MTU bit is set

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Only when the IB_QP_PATH_MTU flag of attr_mask is set
it is valid to assign the mtu field of qp context when
qp type is not GSI and UD.

Signed-off-by: Lijun Ou <[email protected]>
Signed-off-by: Doug Ledford <[email protected]>
This commit is contained in:
oulijun 2018-04-26 14:46:18 +08:00 • committed by Doug Ledford
commit 6852af8662
1 changed files with 1 additions and 1 deletions
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2
drivers/infiniband/hw/hns/hns_roce_hw_v2.c
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@ -2850,7 +2850,7 @@ static int modify_qp_init_to_rtr(struct ib_qp *ibqp,
if (ibqp->qp_type == IB_QPT_GSI || ibqp->qp_type == IB_QPT_UD)
roce_set_field(context->byte_24_mtu_tc, V2_QPC_BYTE_24_MTU_M,
V2_QPC_BYTE_24_MTU_S, IB_MTU_4096);
else
else if (attr_mask & IB_QP_PATH_MTU)
roce_set_field(context->byte_24_mtu_tc, V2_QPC_BYTE_24_MTU_M,
V2_QPC_BYTE_24_MTU_S, attr->path_mtu);