iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

RDMA/hns: The UD mode can only be configured with DCQCN

Browse Source 
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>
This commit is contained in:
Luoyouming 2023-10-17 20:52:37 +08:00 committed by Leon Romanovsky
parent 5e617c18b1
commit 27c5fd271d
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/infiniband/hw/hns/hns_roce_hw_v2.c
View File

@ -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: