diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/en_netdev.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/en_netdev.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c index e0de2fd1ce12..4726122ea76b 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c @@ -2184,6 +2184,25 @@ static int mlx4_en_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) } } +static netdev_features_t mlx4_en_fix_features(struct net_device *netdev, + netdev_features_t features) +{ + struct mlx4_en_priv *en_priv = netdev_priv(netdev); + struct mlx4_en_dev *mdev = en_priv->mdev; + + /* Since there is no support for separate RX C-TAG/S-TAG vlan accel + * enable/disable make sure S-TAG flag is always in same state as + * C-TAG. + */ + if (features & NETIF_F_HW_VLAN_CTAG_RX && + !(mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_SKIP_OUTER_VLAN)) + features |= NETIF_F_HW_VLAN_STAG_RX; + else + features &= ~NETIF_F_HW_VLAN_STAG_RX; + + return features; +} + static int mlx4_en_set_features(struct net_device *netdev, netdev_features_t features) { @@ -2218,6 +2237,10 @@ static int mlx4_en_set_features(struct net_device *netdev, en_info(priv, "Turn %s TX vlan strip offload\n", (features & NETIF_F_HW_VLAN_CTAG_TX) ? "ON" : "OFF"); + if (DEV_FEATURE_CHANGED(netdev, features, NETIF_F_HW_VLAN_STAG_TX)) + en_info(priv, "Turn %s TX S-VLAN strip offload\n", + (features & NETIF_F_HW_VLAN_STAG_TX) ? "ON" : "OFF"); + if (DEV_FEATURE_CHANGED(netdev, features, NETIF_F_LOOPBACK)) { en_info(priv, "Turn %s loopback\n", (features & NETIF_F_LOOPBACK) ? "ON" : "OFF"); @@ -2460,6 +2483,7 @@ static const struct net_device_ops mlx4_netdev_ops = { .ndo_poll_controller = mlx4_en_netpoll, #endif .ndo_set_features = mlx4_en_set_features, + .ndo_fix_features = mlx4_en_fix_features, .ndo_setup_tc = mlx4_en_setup_tc, #ifdef CONFIG_RFS_ACCEL .ndo_rx_flow_steer = mlx4_en_filter_rfs, @@ -2500,6 +2524,7 @@ static const struct net_device_ops mlx4_netdev_ops_master = { .ndo_poll_controller = mlx4_en_netpoll, #endif .ndo_set_features = mlx4_en_set_features, + .ndo_fix_features = mlx4_en_fix_features, .ndo_setup_tc = mlx4_en_setup_tc, #ifdef CONFIG_RFS_ACCEL .ndo_rx_flow_steer = mlx4_en_filter_rfs, @@ -2931,6 +2956,27 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port, dev->hw_features |= NETIF_F_LOOPBACK | NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX; + if (!(mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_SKIP_OUTER_VLAN)) { + dev->features |= NETIF_F_HW_VLAN_STAG_RX | + NETIF_F_HW_VLAN_STAG_FILTER; + dev->hw_features |= NETIF_F_HW_VLAN_STAG_RX; + } + + if (mlx4_is_slave(mdev->dev)) { + int phv; + + err = get_phv_bit(mdev->dev, port, &phv); + if (!err && phv) { + dev->hw_features |= NETIF_F_HW_VLAN_STAG_TX; + priv->pflags |= MLX4_EN_PRIV_FLAGS_PHV; + } + } else { + if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_PHV_EN && + !(mdev->dev->caps.flags2 & + MLX4_DEV_CAP_FLAG2_SKIP_OUTER_VLAN)) + dev->hw_features |= NETIF_F_HW_VLAN_STAG_TX; + } + if (mdev->dev->caps.flags & MLX4_DEV_CAP_FLAG_FCS_KEEP) dev->hw_features |= NETIF_F_RXFCS; |
