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net/mlx5: E-Switch, Fail mlx5_esw_modify_vport_rate if qos disabled

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[ Upstream commit 5b8631c7b21ca8bc039f0bc030048973b039e0d2 ]

Avoid calling mlx5_esw_modify_vport_rate() if qos is not enabled and
avoid unnecessary syndrome messages from firmware.

Fixes: fcb64c0f56 ("net/mlx5: E-Switch, add ingress rate support")
Signed-off-by: Eli Cohen <elic@nvidia.com>
Reviewed-by: Roi Dayan <roid@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Eli Cohen 2020-11-09 11:35:52 +02:00 • committed by Greg Kroah-Hartman
commit 401afa5f5e
1 changed files with 4 additions and 0 deletions
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4
drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
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@ -1592,6 +1592,10 @@ int mlx5_esw_modify_vport_rate(struct mlx5_eswitch *esw, u16 vport_num,
struct mlx5_vport *vport;
vport = mlx5_eswitch_get_vport(esw, vport_num);
if (!vport->qos.enabled)
return -EOPNOTSUPP;
MLX5_SET(scheduling_context, ctx, max_average_bw, rate_mbps);
return mlx5_modify_scheduling_element_cmd(esw->dev,