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net/mlx5e: Claim TC hw offloads support only under a proper build config

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[ Upstream commit 077ecd785d ]

Currently, we are only supporting tc hw offloads when the eswitch
support is compiled in, but we are not gating the adevertizment
of the NETIF_F_HW_TC feature on this config being set.

Fix it, and while doing that, also avoid dealing with the feature
on ethtool when the config is not set.

Fixes: e8f887ac6a ('net/mlx5e: Introduce tc offload support')
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Or Gerlitz
2018-10-18 12:31:27 +02:00
committed by Greg Kroah-Hartman
parent 5351b859a6
commit 92a2f39fc3
1 changed files with 6 additions and 0 deletions
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6
drivers/net/ethernet/mellanox/mlx5/core/en_main.c
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@@ -3566,6 +3566,7 @@ static int set_feature_cvlan_filter(struct net_device *netdev, bool enable)
return 0;
}
#ifdef CONFIG_MLX5_ESWITCH
static int set_feature_tc_num_filters(struct net_device *netdev, bool enable)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
@@ -3578,6 +3579,7 @@ static int set_feature_tc_num_filters(struct net_device *netdev, bool enable)
return 0;
}
#endif
static int set_feature_rx_all(struct net_device *netdev, bool enable)
{
@@ -3676,7 +3678,9 @@ static int mlx5e_set_features(struct net_device *netdev,
err |= MLX5E_HANDLE_FEATURE(NETIF_F_LRO, set_feature_lro);
err |= MLX5E_HANDLE_FEATURE(NETIF_F_HW_VLAN_CTAG_FILTER,
set_feature_cvlan_filter);
#ifdef CONFIG_MLX5_ESWITCH
err |= MLX5E_HANDLE_FEATURE(NETIF_F_HW_TC, set_feature_tc_num_filters);
#endif
err |= MLX5E_HANDLE_FEATURE(NETIF_F_RXALL, set_feature_rx_all);
err |= MLX5E_HANDLE_FEATURE(NETIF_F_RXFCS, set_feature_rx_fcs);
err |= MLX5E_HANDLE_FEATURE(NETIF_F_HW_VLAN_CTAG_RX, set_feature_rx_vlan);
@@ -4685,7 +4689,9 @@ static void mlx5e_build_nic_netdev(struct net_device *netdev)
FT_CAP(modify_root) &&
FT_CAP(identified_miss_table_mode) &&
FT_CAP(flow_table_modify)) {
#ifdef CONFIG_MLX5_ESWITCH
netdev->hw_features |= NETIF_F_HW_TC;
#endif
#ifdef CONFIG_MLX5_EN_ARFS
netdev->hw_features |= NETIF_F_NTUPLE;
#endif