Lines Matching defs:*
0 #ifndef _NF_NAT_H
2 #define _NF_NAT_H
3 #include <linux/netfilter_ipv4.h>
4 #include <net/netfilter/nf_conntrack_tuple.h>
6 #define NF_NAT_MAPPING_TYPE_MAX_NAMELEN 16
8 enum nf_nat_manip_type
10 IP_NAT_MANIP_SRC,
11 IP_NAT_MANIP_DST
14 /* SRC manip occurs POST_ROUTING or LOCAL_IN */
15 #define HOOK2MANIP(hooknum) ((hooknum) != NF_INET_POST_ROUTING && \
16 (hooknum) != NF_INET_LOCAL_IN)
18 #define IP_NAT_RANGE_MAP_IPS 1
19 #define IP_NAT_RANGE_PROTO_SPECIFIED 2
20 #define IP_NAT_RANGE_PROTO_RANDOM 4
21 #define IP_NAT_RANGE_PERSISTENT 8
23 /* NAT sequence number modifications */
24 struct nf_nat_seq {
25 /* position of the last TCP sequence number modification (if any) */
26 u_int32_t correction_pos;
28 /* sequence number offset before and after last modification */
29 int16_t offset_before, offset_after;
32 /* Single range specification. */
33 struct nf_nat_range
35 /* Set to OR of flags above. */
36 unsigned int flags;
38 /* Inclusive: network order. */
39 __be32 min_ip, max_ip;
41 /* Inclusive: network order */
42 union nf_conntrack_man_proto min, max;
45 /* For backwards compat: don't use in modern code. */
46 struct nf_nat_multi_range_compat
48 unsigned int rangesize; /* Must be 1. */
50 /* hangs off end. */
51 struct nf_nat_range range[1];
54 #define nf_nat_multi_range nf_nat_multi_range_compat
55 #endif