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author | Eran Ben Elisha | 2016-04-24 21:51:52 +0200 |
---|---|---|
committer | David S. Miller | 2016-04-26 21:58:02 +0200 |
commit | 94cb1ebbafd509210887eea6ced55c40da7b4baa (patch) | |
tree | fa0c0c1b9c0ac6de735c8fc7cfb64f620893d7c6 /drivers/net/ethernet/mellanox/mlx5/core/en_main.c | |
parent | net/mlx5e: Improve set features ndo resiliency (diff) | |
download | kernel-qcow2-linux-94cb1ebbafd509210887eea6ced55c40da7b4baa.tar.gz kernel-qcow2-linux-94cb1ebbafd509210887eea6ced55c40da7b4baa.tar.xz kernel-qcow2-linux-94cb1ebbafd509210887eea6ced55c40da7b4baa.zip |
net/mlx5e: Add support for RXALL netdev feature
Introduce new access register named Ports Check Mask Register (PCMR) to
control all HW checks on port. With this register, the driver can
enable/disable Hardware FCS validation.
When RXALL is enabled/disabled using ndo_set_features, enable/disable
fcs check at HW.
User can change HW configuration using rx-all flag at ethtool.
Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Gal Pressman <galp@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en_main.c')
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index d82bc6b697f9..ad0cb4aa593b 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -2139,6 +2139,14 @@ static int set_feature_tc_num_filters(struct net_device *netdev, bool enable) return 0; } +static int set_feature_rx_all(struct net_device *netdev, bool enable) +{ + struct mlx5e_priv *priv = netdev_priv(netdev); + struct mlx5_core_dev *mdev = priv->mdev; + + return mlx5_set_port_fcs(mdev, !enable); +} + static int mlx5e_handle_feature(struct net_device *netdev, netdev_features_t wanted_features, netdev_features_t feature, @@ -2174,6 +2182,8 @@ static int mlx5e_set_features(struct net_device *netdev, set_feature_vlan_filter); err |= mlx5e_handle_feature(netdev, features, NETIF_F_HW_TC, set_feature_tc_num_filters); + err |= mlx5e_handle_feature(netdev, features, NETIF_F_RXALL, + set_feature_rx_all); return err ? -EINVAL : 0; } @@ -2564,6 +2574,8 @@ static void mlx5e_build_netdev(struct net_device *netdev) { struct mlx5e_priv *priv = netdev_priv(netdev); struct mlx5_core_dev *mdev = priv->mdev; + bool fcs_supported; + bool fcs_enabled; SET_NETDEV_DEV(netdev, &mdev->pdev->dev); @@ -2607,10 +2619,18 @@ static void mlx5e_build_netdev(struct net_device *netdev) netdev->hw_enc_features |= NETIF_F_GSO_UDP_TUNNEL; } + mlx5_query_port_fcs(mdev, &fcs_supported, &fcs_enabled); + + if (fcs_supported) + netdev->hw_features |= NETIF_F_RXALL; + netdev->features = netdev->hw_features; if (!priv->params.lro_en) netdev->features &= ~NETIF_F_LRO; + if (fcs_enabled) + netdev->features &= ~NETIF_F_RXALL; + #define FT_CAP(f) MLX5_CAP_FLOWTABLE(mdev, flow_table_properties_nic_receive.f) if (FT_CAP(flow_modify_en) && FT_CAP(modify_root) && |