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net/mlx4_en: Disable vlan HW acceleration when in VF vlan protocol 802.1ad mode 

In Ethernet VF, disable vlan HW acceleration on VF
while it is set to VF vlan protocol 802.1ad mode.

Signed-off-by: Moshe Shemesh <moshe@mellanox.com>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Moshe Shemesh 2016-09-22 12:11:14 +03:00 committed by David S. Miller
parent 7c3d21c815
commit 0815fe3a86
1 changed files with 13 additions and 0 deletions
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13
drivers/net/ethernet/mellanox/mlx4/en_netdev.c
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@ -3224,6 +3224,7 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
}
if (mlx4_is_slave(mdev->dev)) {
bool vlan_offload_disabled;
int phv;
err = get_phv_bit(mdev->dev, port, &phv);
@ -3231,6 +3232,18 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
dev->hw_features |= NETIF_F_HW_VLAN_STAG_TX;
priv->pflags |= MLX4_EN_PRIV_FLAGS_PHV;
}
err = mlx4_get_is_vlan_offload_disabled(mdev->dev, port,
&vlan_offload_disabled);
if (!err && vlan_offload_disabled) {
dev->hw_features &= ~(NETIF_F_HW_VLAN_CTAG_TX |
NETIF_F_HW_VLAN_CTAG_RX |
NETIF_F_HW_VLAN_STAG_TX |
NETIF_F_HW_VLAN_STAG_RX);
dev->features &= ~(NETIF_F_HW_VLAN_CTAG_TX |
NETIF_F_HW_VLAN_CTAG_RX |
NETIF_F_HW_VLAN_STAG_TX |
NETIF_F_HW_VLAN_STAG_RX);
}
} else {
if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_PHV_EN &&
!(mdev->dev->caps.flags2 &