1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2#ifndef _UAPI_NFNETLINK_H
3#define _UAPI_NFNETLINK_H
4#include <linux/types.h>
5#include <linux/netfilter/nfnetlink_compat.h>
6
7enum nfnetlink_groups {
8	NFNLGRP_NONE,
9#define NFNLGRP_NONE			NFNLGRP_NONE
10	NFNLGRP_CONNTRACK_NEW,
11#define NFNLGRP_CONNTRACK_NEW		NFNLGRP_CONNTRACK_NEW
12	NFNLGRP_CONNTRACK_UPDATE,
13#define NFNLGRP_CONNTRACK_UPDATE	NFNLGRP_CONNTRACK_UPDATE
14	NFNLGRP_CONNTRACK_DESTROY,
15#define NFNLGRP_CONNTRACK_DESTROY	NFNLGRP_CONNTRACK_DESTROY
16	NFNLGRP_CONNTRACK_EXP_NEW,
17#define	NFNLGRP_CONNTRACK_EXP_NEW	NFNLGRP_CONNTRACK_EXP_NEW
18	NFNLGRP_CONNTRACK_EXP_UPDATE,
19#define NFNLGRP_CONNTRACK_EXP_UPDATE	NFNLGRP_CONNTRACK_EXP_UPDATE
20	NFNLGRP_CONNTRACK_EXP_DESTROY,
21#define NFNLGRP_CONNTRACK_EXP_DESTROY	NFNLGRP_CONNTRACK_EXP_DESTROY
22	NFNLGRP_NFTABLES,
23#define NFNLGRP_NFTABLES                NFNLGRP_NFTABLES
24	NFNLGRP_ACCT_QUOTA,
25#define NFNLGRP_ACCT_QUOTA		NFNLGRP_ACCT_QUOTA
26	NFNLGRP_NFTRACE,
27#define NFNLGRP_NFTRACE			NFNLGRP_NFTRACE
28	__NFNLGRP_MAX,
29};
30#define NFNLGRP_MAX	(__NFNLGRP_MAX - 1)
31
32/* General form of address family dependent message.
33 */
34struct nfgenmsg {
35	__u8  nfgen_family;		/* AF_xxx */
36	__u8  version;		/* nfnetlink version */
37	__be16    res_id;		/* resource id */
38};
39
40#define NFNETLINK_V0	0
41
42/* netfilter netlink message types are split in two pieces:
43 * 8 bit subsystem, 8bit operation.
44 */
45
46#define NFNL_SUBSYS_ID(x)	((x & 0xff00) >> 8)
47#define NFNL_MSG_TYPE(x)	(x & 0x00ff)
48
49/* No enum here, otherwise __stringify() trick of MODULE_ALIAS_NFNL_SUBSYS()
50 * won't work anymore */
51#define NFNL_SUBSYS_NONE 		0
52#define NFNL_SUBSYS_CTNETLINK		1
53#define NFNL_SUBSYS_CTNETLINK_EXP	2
54#define NFNL_SUBSYS_QUEUE		3
55#define NFNL_SUBSYS_ULOG		4
56#define NFNL_SUBSYS_OSF			5
57#define NFNL_SUBSYS_IPSET		6
58#define NFNL_SUBSYS_ACCT		7
59#define NFNL_SUBSYS_CTNETLINK_TIMEOUT	8
60#define NFNL_SUBSYS_CTHELPER		9
61#define NFNL_SUBSYS_NFTABLES		10
62#define NFNL_SUBSYS_NFT_COMPAT		11
63#define NFNL_SUBSYS_HOOK		12
64#define NFNL_SUBSYS_COUNT		13
65
66/* Reserved control nfnetlink messages */
67#define NFNL_MSG_BATCH_BEGIN		NLMSG_MIN_TYPE
68#define NFNL_MSG_BATCH_END		NLMSG_MIN_TYPE+1
69
70/**
71 * enum nfnl_batch_attributes - nfnetlink batch netlink attributes
72 *
73 * @NFNL_BATCH_GENID: generation ID for this changeset (NLA_U32)
74 */
75enum nfnl_batch_attributes {
76        NFNL_BATCH_UNSPEC,
77        NFNL_BATCH_GENID,
78        __NFNL_BATCH_MAX
79};
80#define NFNL_BATCH_MAX			(__NFNL_BATCH_MAX - 1)
81
82#endif /* _UAPI_NFNETLINK_H */
83