Commit efb9cbf6 authored by Junxian Huang's avatar Junxian Huang Committed by Leon Romanovsky
Browse files

RDMA/hns: Fix unnecessary err return when using invalid congest control algorithm 



Add a default congest control algorithm so that driver won't return
an error when the configured algorithm is invalid.

Fixes: f91696f2 ("RDMA/hns: Support congestion control type selection according to the FW")
Signed-off-by: default avatarJunxian Huang <huangjunxian6@hisilicon.com>
Link: https://lore.kernel.org/r/20231028093242.670325-1-huangjunxian6@hisilicon.com


Signed-off-by: default avatarLeon Romanovsky <leon@kernel.org>
parent 0550d460

drivers/infiniband/hw/hns/hns_roce_hw_v2.c

+9 −4
Original line number Diff line number Diff line
@@ -4760,10 +4760,15 @@ 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",

		ibdev_warn(&hr_dev->ib_dev,

			   "invalid type(%u) for congestion selection.\n",

			   hr_dev->caps.cong_type);

		return -EINVAL;

		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;