1 /* Header file for kernel module to match connection tracking information.
2 * GPL (C) 2001 Marc Boucher (marc@mbsi.ca).
5 #ifndef _XT_CONNTRACK_H
6 #define _XT_CONNTRACK_H
8 #include <linux/types.h>
9 #include <linux/netfilter.h>
10 #include <linux/netfilter/nf_conntrack_tuple_common.h>
12 #define XT_CONNTRACK_STATE_BIT(ctinfo) (1 << ((ctinfo)%IP_CT_IS_REPLY+1))
13 #define XT_CONNTRACK_STATE_INVALID (1 << 0)
15 #define XT_CONNTRACK_STATE_SNAT (1 << (IP_CT_NUMBER + 1))
16 #define XT_CONNTRACK_STATE_DNAT (1 << (IP_CT_NUMBER + 2))
17 #define XT_CONNTRACK_STATE_UNTRACKED (1 << (IP_CT_NUMBER + 3))
19 /* flags, invflags: */
21 XT_CONNTRACK_STATE
= 1 << 0,
22 XT_CONNTRACK_PROTO
= 1 << 1,
23 XT_CONNTRACK_ORIGSRC
= 1 << 2,
24 XT_CONNTRACK_ORIGDST
= 1 << 3,
25 XT_CONNTRACK_REPLSRC
= 1 << 4,
26 XT_CONNTRACK_REPLDST
= 1 << 5,
27 XT_CONNTRACK_STATUS
= 1 << 6,
28 XT_CONNTRACK_EXPIRES
= 1 << 7,
29 XT_CONNTRACK_ORIGSRC_PORT
= 1 << 8,
30 XT_CONNTRACK_ORIGDST_PORT
= 1 << 9,
31 XT_CONNTRACK_REPLSRC_PORT
= 1 << 10,
32 XT_CONNTRACK_REPLDST_PORT
= 1 << 11,
33 XT_CONNTRACK_DIRECTION
= 1 << 12,
34 XT_CONNTRACK_STATE_ALIAS
= 1 << 13,
37 struct xt_conntrack_mtinfo1
{
38 union nf_inet_addr origsrc_addr
, origsrc_mask
;
39 union nf_inet_addr origdst_addr
, origdst_mask
;
40 union nf_inet_addr replsrc_addr
, replsrc_mask
;
41 union nf_inet_addr repldst_addr
, repldst_mask
;
42 __u32 expires_min
, expires_max
;
44 __be16 origsrc_port
, origdst_port
;
45 __be16 replsrc_port
, repldst_port
;
46 __u16 match_flags
, invert_flags
;
47 __u8 state_mask
, status_mask
;
50 struct xt_conntrack_mtinfo2
{
51 union nf_inet_addr origsrc_addr
, origsrc_mask
;
52 union nf_inet_addr origdst_addr
, origdst_mask
;
53 union nf_inet_addr replsrc_addr
, replsrc_mask
;
54 union nf_inet_addr repldst_addr
, repldst_mask
;
55 __u32 expires_min
, expires_max
;
57 __be16 origsrc_port
, origdst_port
;
58 __be16 replsrc_port
, repldst_port
;
59 __u16 match_flags
, invert_flags
;
60 __u16 state_mask
, status_mask
;
63 struct xt_conntrack_mtinfo3
{
64 union nf_inet_addr origsrc_addr
, origsrc_mask
;
65 union nf_inet_addr origdst_addr
, origdst_mask
;
66 union nf_inet_addr replsrc_addr
, replsrc_mask
;
67 union nf_inet_addr repldst_addr
, repldst_mask
;
68 __u32 expires_min
, expires_max
;
70 __u16 origsrc_port
, origdst_port
;
71 __u16 replsrc_port
, repldst_port
;
72 __u16 match_flags
, invert_flags
;
73 __u16 state_mask
, status_mask
;
74 __u16 origsrc_port_high
, origdst_port_high
;
75 __u16 replsrc_port_high
, repldst_port_high
;
78 #endif /*_XT_CONNTRACK_H*/