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Groups > linux.kernel > #1742163
| From | "Wei Hu (Xavier)" <xavier.huwei@huawei.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH V2 for-next 4/8] RDMA/hns: Set mask for destination qp field of qp context assignment |
| Date | 2017-09-29 16:50 +0200 |
| Message-ID | <uv4M2-7tm-17@gated-at.bofh.it> (permalink) |
| References | <uv4M2-7tm-15@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
From: Lijun Ou <oulijun@huawei.com> When only set IB_QP_DEST_QPN flag for attr_mask, the operation of assigning the dest_qp_num for dest_qp field of qp context is valid. 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> --- drivers/infiniband/hw/hns/hns_roce_hw_v1.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c index 6f309f7..10d828c 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c @@ -2888,10 +2888,11 @@ static int hns_roce_v1_m_qp(struct ib_qp *ibqp, const struct ib_qp_attr *attr, QP_CONTEXT_QPC_BYTES_32_RESPONDER_RESOURCES_S, ilog2((unsigned int)attr->max_dest_rd_atomic)); - roce_set_field(context->qpc_bytes_36, - QP_CONTEXT_QPC_BYTES_36_DEST_QP_M, - QP_CONTEXT_QPC_BYTES_36_DEST_QP_S, - attr->dest_qp_num); + if (attr_mask & IB_QP_DEST_QPN) + roce_set_field(context->qpc_bytes_36, + QP_CONTEXT_QPC_BYTES_36_DEST_QP_M, + QP_CONTEXT_QPC_BYTES_36_DEST_QP_S, + attr->dest_qp_num); /* Configure GID index */ port_num = rdma_ah_get_port_num(&attr->ah_attr); -- 1.9.1
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[PATCH V2 for-next 4/8] RDMA/hns: Set mask for destination qp field of qp context assignment "Wei Hu (Xavier)" <xavier.huwei@huawei.com> - 2017-09-29 16:50 +0200 Re: [PATCH V2 for-next 4/8] RDMA/hns: Set mask for destination qp field of qp context assignment Doug Ledford <dledford@redhat.com> - 2017-09-29 18:10 +0200
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