#ifndef __GSN_VLAN_H_#define __GSN_VLAN_H_#include <linux/if_vlan.h>struct net_device *__find_vlan_dev(struct net_device* real_dev,		               unsigned short VID);int vlan_skb_recv(struct sk_buff *skb, struct net_device *dev,		struct packet_type *ptype, struct net_device *orig_dev);/* ok */int vlan_dev_rebuild_header(struct sk_buff *skb);int vlan_dev_hard_header(struct sk_buff *skb, struct net_device *dev,		unsigned short type, void *daddr, void *saddr,		unsigned len);int vlan_dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev);int vlan_dev_open(struct net_device* dev);int vlan_dev_stop(struct net_device* dev); int vlan_dev_ioctl(struct net_device* dev, struct ifreq *ifr, int cmd);int vlan_dev_change_mtu(struct net_device *dev, int new_mtu);int vlan_dev_set_mac_address(struct net_device *dev, void *addr_struct_p);void vlan_dev_set_multicast_list(struct net_device *vlan_dev);#endif