ip_nat_core.h

h内核

#ifndef _IP_NAT_CORE_H
#define _IP_NAT_CORE_H
#include <linux/list.h>
#include <linux/netfilter_ipv4/ip_conntrack.h>

/* This header used to share core functionality between the standalone
   NAT module, and the compatibility layer's use of NAT for masquerading. */
extern int ip_nat_init(void);
extern void ip_nat_cleanup(void);

extern unsigned int nat_packet(struct ip_conntrack *ct,
			       enum ip_conntrack_info conntrackinfo,
			       unsigned int hooknum,
			       struct sk_buff **pskb);

extern int icmp_reply_translation(struct sk_buff **pskb,
				  struct ip_conntrack *ct,
				  enum ip_nat_manip_type manip,
				  enum ip_conntrack_dir dir);
#endif /* _IP_NAT_CORE_H */