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| author | Luoyouming <luoyouming@huawei.com> | 2023-10-17 15:52:37 +0300 |
|---|---|---|
| committer | Leon Romanovsky <leon@kernel.org> | 2023-10-19 09:49:40 +0300 |
| commit | 27c5fd271d8b8730fc0bb1b6cae953ad7808a874 (patch) | |
| tree | c78035c7f4a952ccd0a777cbf7ff920ec75b5880 | |
| parent | 5e617c18b1f34ec57ad5dce44f09de603cf6bd6c (diff) | |
| download | linux-27c5fd271d8b8730fc0bb1b6cae953ad7808a874.tar.xz | |
RDMA/hns: The UD mode can only be configured with DCQCN
Due to hardware limitations, only DCQCN is supported for UD. Therefore, the
default algorithm for UD is set to DCQCN.
Fixes: f91696f2f053 ("RDMA/hns: Support congestion control type selection according to the FW")
Signed-off-by: Luoyouming <luoyouming@huawei.com>
Signed-off-by: Junxian Huang <huangjunxian6@hisilicon.com>
Link: https://lore.kernel.org/r/20231017125239.164455-6-huangjunxian6@hisilicon.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 3 |
1 files changed, 3 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 cef43e77dc25..0cd2612a4987 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c @@ -4730,6 +4730,9 @@ static int check_cong_type(struct ib_qp *ibqp, { struct hns_roce_dev *hr_dev = to_hr_dev(ibqp->device); + if (ibqp->qp_type == IB_QPT_UD) + hr_dev->caps.cong_type = CONG_TYPE_DCQCN; + /* different congestion types match different configurations */ switch (hr_dev->caps.cong_type) { case CONG_TYPE_DCQCN: |