mlx4_register_vlan
err = mlx4_register_vlan(dev->dev, port, vlan_tag, &vidx);
err = mlx4_register_vlan(dev->dev, port, vlan_tag, &vidx);
err = mlx4_register_vlan(mdev->dev, priv->port, vid, &idx);
EXPORT_SYMBOL_GPL(mlx4_register_vlan);
int mlx4_register_vlan(struct mlx4_dev *dev, u8 port, u16 vlan, int *index);