ip_nat_helper.h

来自「Linux内核源代码 为压缩文件 是<<Linux内核>&gt」· C头文件 代码 · 共 31 行

#ifndef _IP_NAT_HELPER_H
#define _IP_NAT_HELPER_H
/* NAT protocol helper routines. */

#include <linux/netfilter_ipv4/ip_conntrack.h>

struct sk_buff;

struct ip_nat_helper
{
	/* Internal use */
	struct list_head list;

	/* Mask of things we will help: vs. tuple from server */
	struct ip_conntrack_tuple tuple;
	struct ip_conntrack_tuple mask;
	
	/* Helper function: returns verdict */
	unsigned int (*help)(struct ip_conntrack *ct,
			     struct ip_nat_info *info,
			     enum ip_conntrack_info ctinfo,
			     unsigned int hooknum,
			     struct sk_buff **pskb);

	const char *name;
};

extern int ip_nat_helper_register(struct ip_nat_helper *me);
extern void ip_nat_helper_unregister(struct ip_nat_helper *me);
#endif