diff options
author | Xi Wang <wangxi11@huawei.com> | 2020-07-28 18:42:21 +0800 |
---|---|---|
committer | Jason Gunthorpe <jgg@nvidia.com> | 2020-07-30 15:11:49 -0300 |
commit | 395f2e8fd340c5bfad026f5968b56ec34cf20dd1 (patch) | |
tree | 87bd714a2235c5707c7bffb72d5a0fbf4b2b9a5c /drivers/infiniband/hw/hns/hns_roce_hw_v2.c | |
parent | 4327bd2c41412657ee2c8c0d8d3d1945268b4238 (diff) |
RDMA/hns: Fix the unneeded process when getting a general type of CQE error
If the hns ROCEE reports a general error CQE (types not specified by the IB
General Specifications), it's no need to change the QP state to error, and
the driver should just skip it.
Fixes: 7c044adca272 ("RDMA/hns: Simplify the cqe code of poll cq")
Link: https://lore.kernel.org/r/1595932941-40613-8-git-send-email-liweihang@huawei.com
Signed-off-by: Xi Wang <wangxi11@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband/hw/hns/hns_roce_hw_v2.c')
-rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c index 0c81100667fa..d51b332ece5b 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c @@ -3046,6 +3046,7 @@ static void get_cqe_status(struct hns_roce_dev *hr_dev, struct hns_roce_qp *qp, IB_WC_RETRY_EXC_ERR }, { HNS_ROCE_CQE_V2_RNR_RETRY_EXC_ERR, IB_WC_RNR_RETRY_EXC_ERR }, { HNS_ROCE_CQE_V2_REMOTE_ABORT_ERR, IB_WC_REM_ABORT_ERR }, + { HNS_ROCE_CQE_V2_GENERAL_ERR, IB_WC_GENERAL_ERR} }; u32 cqe_status = roce_get_field(cqe->byte_4, V2_CQE_BYTE_4_STATUS_M, @@ -3068,6 +3069,14 @@ static void get_cqe_status(struct hns_roce_dev *hr_dev, struct hns_roce_qp *qp, sizeof(*cqe), false); /* + * For hns ROCEE, GENERAL_ERR is an error type that is not defined in + * the standard protocol, the driver must ignore it and needn't to set + * the QP to an error state. + */ + if (cqe_status == HNS_ROCE_CQE_V2_GENERAL_ERR) + return; + + /* * Hip08 hardware cannot flush the WQEs in SQ/RQ if the QP state gets * into errored mode. Hence, as a workaround to this hardware * limitation, driver needs to assist in flushing. But the flushing |