static void vlan_dev_set_rx_mode(struct net_device *vlan_dev)
{
	dev_mc_sync(vlan_dev_info(vlan_dev)->real_dev, vlan_dev);
	dev_uc_sync(vlan_dev_info(vlan_dev)->real_dev, vlan_dev);
}
static void vlan_dev_set_rx_mode(struct net_device *vlan_dev)
{
	dev_mc_sync(vlan_dev_info(vlan_dev)->real_dev, vlan_dev);
	dev_uc_sync(vlan_dev_info(vlan_dev)->real_dev, vlan_dev);
}