include/linux/netfilter_ipv4/ip_nat_core.h

   1 #ifndef _IP_NAT_CORE_H
   2 #define _IP_NAT_CORE_H
   3 #include <linux/list.h>
   4 #include <linux/netfilter_ipv4/ip_conntrack.h>
   5
   6 /* This header used to share core functionality between the standalone
   7    NAT module, and the compatibility layer's use of NAT for masquerading. */
   8 extern int ip_nat_init(void);
   9 extern void ip_nat_cleanup(void);
  10
  11 extern unsigned int nat_packet(struct ip_conntrack *ct,
  12                                enum ip_conntrack_info conntrackinfo,
  13                                unsigned int hooknum,
  14                                struct sk_buff **pskb);
  15
  16 extern int icmp_reply_translation(struct sk_buff **pskb,
  17                                   struct ip_conntrack *ct,
  18                                   enum ip_nat_manip_type manip,
  19                                   enum ip_conntrack_dir dir);
  20 #endif /* _IP_NAT_CORE_H */