Commit b5f814cc authored by Eli Cohen's avatar Eli Cohen Committed by Saeed Mahameed
Browse files

net/mlx5: Avoid configuring eswitch QoS if not supported 



Check if QoS is enabled for the eswitch before attempting to configure
QoS parameters and emit a netlink error if not supported.

Introduce an API to check if QoS is supported for the eswitch.

Signed-off-by: default avatarEli Cohen <eli@mellanox.com>
Reviewed-by: default avatarRoi Dayan <roid@mellanox.com>
Reviewed-by: default avatarPaul Blakey <paulb@mellanox.com>
Signed-off-by: default avatarSaeed Mahameed <saeedm@mellanox.com>
parent 31e87b39

drivers/net/ethernet/mellanox/mlx5/core/en_tc.c

+6 −0
Original line number Diff line number Diff line
@@ -4521,8 +4521,14 @@ static int scan_tc_matchall_fdb_actions(struct mlx5e_priv *priv, 
int mlx5e_tc_configure_matchall(struct mlx5e_priv *priv,

				struct tc_cls_matchall_offload *ma)

{

	struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;

	struct netlink_ext_ack *extack = ma->common.extack;



	if (!mlx5_esw_qos_enabled(esw)) {

		NL_SET_ERR_MSG_MOD(extack, "QoS is not supported on this device");

		return -EOPNOTSUPP;

	}



	if (ma->common.prio != 1) {

		NL_SET_ERR_MSG_MOD(extack, "only priority 1 is supported");

		return -EINVAL;

drivers/net/ethernet/mellanox/mlx5/core/eswitch.h

+5 −0
Original line number Diff line number Diff line
@@ -453,6 +453,11 @@ int mlx5_esw_create_vport_egress_acl_vlan(struct mlx5_eswitch *esw, 
					  struct mlx5_vport *vport,

					  u16 vlan_id, u32 flow_action);



static inline bool mlx5_esw_qos_enabled(struct mlx5_eswitch *esw)

{

	return esw->qos.enabled;

}



static inline bool mlx5_eswitch_vlan_actions_supported(struct mlx5_core_dev *dev,

						       u8 vlan_depth)

{