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