From: Junxian Huang Date: Sat, 28 Oct 2023 09:32:42 +0000 (+0800) Subject: RDMA/hns: Fix unnecessary err return when using invalid congest control algorithm X-Git-Tag: v6.6.17~2184 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=38772f66723386797c085587e16ae738f849b6c9;p=platform%2Fkernel%2Flinux-rpi.git RDMA/hns: Fix unnecessary err return when using invalid congest control algorithm [ Upstream commit efb9cbf66440482ceaa90493d648226ab7ec2ebf ] Add a default congest control algorithm so that driver won't return an error when the configured algorithm is invalid. Fixes: f91696f2f053 ("RDMA/hns: Support congestion control type selection according to the FW") Signed-off-by: Junxian Huang Link: https://lore.kernel.org/r/20231028093242.670325-1-huangjunxian6@hisilicon.com Signed-off-by: Leon Romanovsky Signed-off-by: Sasha Levin --- diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c index 58d14f1562b9..486d635b6e3a 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c @@ -4755,10 +4755,15 @@ static int check_cong_type(struct ib_qp *ibqp, cong_alg->wnd_mode_sel = WND_LIMIT; break; default: - ibdev_err(&hr_dev->ib_dev, - "error type(%u) for congestion selection.\n", - hr_dev->caps.cong_type); - return -EINVAL; + ibdev_warn(&hr_dev->ib_dev, + "invalid type(%u) for congestion selection.\n", + hr_dev->caps.cong_type); + hr_dev->caps.cong_type = CONG_TYPE_DCQCN; + cong_alg->alg_sel = CONG_DCQCN; + cong_alg->alg_sub_sel = UNSUPPORT_CONG_LEVEL; + cong_alg->dip_vld = DIP_INVALID; + cong_alg->wnd_mode_sel = WND_LIMIT; + break; } return 0;