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net/mlx5: Avoid configuring eswitch QoS if not supported

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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: Eli Cohen <eli@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Reviewed-by: Paul Blakey <paulb@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
This commit is contained in:
Eli Cohen 2020-03-01 15:31:49 +02:00 committed by Saeed Mahameed
parent 31e87b39ba
commit b5f814cc73
2 changed files with 11 additions and 0 deletions
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6
drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
View File

@ -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;

5
drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
View File

@ -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)
{