1/****************************************************************************
2 ****************************************************************************
3 ***
4 ***   This header was automatically generated from a Linux kernel header
5 ***   of the same name, to make information necessary for userspace to
6 ***   call into the kernel available to libc.  It contains only constants,
7 ***   structures, and macros generated from the original header, and thus,
8 ***   contains no copyrightable information.
9 ***
10 ****************************************************************************
11 ****************************************************************************/
12#ifndef _IP_NAT_H
13#define _IP_NAT_H
14#include <linux/netfilter_ipv4.h>
15#include <linux/netfilter_ipv4/ip_conntrack_tuple.h>
16
17#define IP_NAT_MAPPING_TYPE_MAX_NAMELEN 16
18
19enum ip_nat_manip_type
20{
21 IP_NAT_MANIP_SRC,
22 IP_NAT_MANIP_DST
23};
24
25#define HOOK2MANIP(hooknum) ((hooknum) != NF_IP_POST_ROUTING && (hooknum) != NF_IP_LOCAL_IN)
26
27#define IP_NAT_RANGE_MAP_IPS 1
28#define IP_NAT_RANGE_PROTO_SPECIFIED 2
29
30struct ip_nat_seq {
31
32 u_int32_t correction_pos;
33
34 int16_t offset_before, offset_after;
35};
36
37struct ip_nat_range
38{
39
40 unsigned int flags;
41
42 u_int32_t min_ip, max_ip;
43
44 union ip_conntrack_manip_proto min, max;
45};
46
47struct ip_nat_multi_range_compat
48{
49 unsigned int rangesize;
50
51 struct ip_nat_range range[1];
52};
53
54#define ip_nat_multi_range ip_nat_multi_range_compat
55#endif
56