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authorMoshe Shemesh <moshe@mellanox.com>2016-09-22 09:11:14 (GMT)
committerDavid S. Miller <davem@davemloft.net>2016-09-24 12:01:26 (GMT)
commit0815fe3a86a01cdf81361459c465761be7138665 (patch)
treeeb3f6e3e8d27b00552748b96369e5fdc55720c6d /drivers
parent7c3d21c8153c6bfb5690e35e086b0522c42442d9 (diff)
downloadlinux-0815fe3a86a01cdf81361459c465761be7138665.tar.xz
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/en_netdev.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
index 62516f8..a94f8a3 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
@@ -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 &