1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2#ifndef _XT_CT_H
3#define _XT_CT_H
4
5#include <linux/types.h>
6
7enum {
8 XT_CT_NOTRACK = 1 << 0,
9 XT_CT_NOTRACK_ALIAS = 1 << 1,
10 XT_CT_ZONE_DIR_ORIG = 1 << 2,
11 XT_CT_ZONE_DIR_REPL = 1 << 3,
12 XT_CT_ZONE_MARK = 1 << 4,
13
14 XT_CT_MASK = XT_CT_NOTRACK | XT_CT_NOTRACK_ALIAS |
15 XT_CT_ZONE_DIR_ORIG | XT_CT_ZONE_DIR_REPL |
16 XT_CT_ZONE_MARK,
17};
18
19struct xt_ct_target_info {
20 __u16 flags;
21 __u16 zone;
22 __u32 ct_events;
23 __u32 exp_events;
24 char helper[16];
25
26 /* Used internally by the kernel */
27 struct nf_conn *ct __attribute__((aligned(8)));
28};
29
30struct xt_ct_target_info_v1 {
31 __u16 flags;
32 __u16 zone;
33 __u32 ct_events;
34 __u32 exp_events;
35 char helper[16];
36 char timeout[32];
37
38 /* Used internally by the kernel */
39 struct nf_conn *ct __attribute__((aligned(8)));
40};
41
42#endif /* _XT_CT_H */
43

source code of linux/include/uapi/linux/netfilter/xt_CT.h