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From: Junxian Huang <huangjunxian6@hisilicon.com>
To: <jgg@ziepe.ca>, <leon@kernel.org>
CC: <linux-rdma@vger.kernel.org>, <linuxarm@huawei.com>,
<linux-kernel@vger.kernel.org>, <huangjunxian6@hisilicon.com>
Subject: [PATCH for-rc 5/7] RDMA/hns: The UD mode can only be configured with
DCQCN
Date: Tue, 17 Oct 2023 20:52:37 +0800
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| Series |
Bugfixes for hns RoCE
|
|
Commit Message
Junxian Huang
Oct. 17, 2023, 12:52 p.m. UTC
From: Luoyouming <luoyouming@huawei.com> 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> --- drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c index b7faf5c8f6ba..58d14f1562b9 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c @@ -4725,6 +4725,9 @@ 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: