gsn_vlan.h

Linux下通过设计虚拟网卡来实现VLAN功能

#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