diff mbox series

[net,8/9] net/mlx5: E-Switch, Fail mlx5_esw_modify_vport_rate if qos disabled

Message ID 20201117195702.386113-9-saeedm@nvidia.com (mailing list archive)
State Accepted
Delegated to: Netdev Maintainers
Headers show
Series [net,1/9] net/mlx5e: Fix refcount leak on kTLS RX resync | expand

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Commit Message

Saeed Mahameed Nov. 17, 2020, 7:57 p.m. UTC 
From: Eli Cohen <elic@nvidia.com>

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

Fixes: fcb64c0f5640 ("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>
---
 drivers/net/ethernet/mellanox/mlx5/core/eswitch.c | 4 ++++
 1 file changed, 4 insertions(+)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
index 5ad2308a2a6b..d4ee0a9c03db 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
@@ -1142,6 +1142,10 @@  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,