xref: /linux/include/uapi/linux/netfilter/nfnetlink.h (revision a13d7201d7deedcbb6ac6efa94a1a7d34d3d79ec)
1 #ifndef _UAPI_NFNETLINK_H
2 #define _UAPI_NFNETLINK_H
3 #include <linux/types.h>
4 #include <linux/netfilter/nfnetlink_compat.h>
5 
6 enum nfnetlink_groups {
7 	NFNLGRP_NONE,
8 #define NFNLGRP_NONE			NFNLGRP_NONE
9 	NFNLGRP_CONNTRACK_NEW,
10 #define NFNLGRP_CONNTRACK_NEW		NFNLGRP_CONNTRACK_NEW
11 	NFNLGRP_CONNTRACK_UPDATE,
12 #define NFNLGRP_CONNTRACK_UPDATE	NFNLGRP_CONNTRACK_UPDATE
13 	NFNLGRP_CONNTRACK_DESTROY,
14 #define NFNLGRP_CONNTRACK_DESTROY	NFNLGRP_CONNTRACK_DESTROY
15 	NFNLGRP_CONNTRACK_EXP_NEW,
16 #define	NFNLGRP_CONNTRACK_EXP_NEW	NFNLGRP_CONNTRACK_EXP_NEW
17 	NFNLGRP_CONNTRACK_EXP_UPDATE,
18 #define NFNLGRP_CONNTRACK_EXP_UPDATE	NFNLGRP_CONNTRACK_EXP_UPDATE
19 	NFNLGRP_CONNTRACK_EXP_DESTROY,
20 #define NFNLGRP_CONNTRACK_EXP_DESTROY	NFNLGRP_CONNTRACK_EXP_DESTROY
21 	NFNLGRP_NFTABLES,
22 #define NFNLGRP_NFTABLES                NFNLGRP_NFTABLES
23 	NFNLGRP_ACCT_QUOTA,
24 #define NFNLGRP_ACCT_QUOTA		NFNLGRP_ACCT_QUOTA
25 	__NFNLGRP_MAX,
26 };
27 #define NFNLGRP_MAX	(__NFNLGRP_MAX - 1)
28 
29 /* General form of address family dependent message.
30  */
31 struct nfgenmsg {
32 	__u8  nfgen_family;		/* AF_xxx */
33 	__u8  version;		/* nfnetlink version */
34 	__be16    res_id;		/* resource id */
35 };
36 
37 #define NFNETLINK_V0	0
38 
39 /* netfilter netlink message types are split in two pieces:
40  * 8 bit subsystem, 8bit operation.
41  */
42 
43 #define NFNL_SUBSYS_ID(x)	((x & 0xff00) >> 8)
44 #define NFNL_MSG_TYPE(x)	(x & 0x00ff)
45 
46 /* No enum here, otherwise __stringify() trick of MODULE_ALIAS_NFNL_SUBSYS()
47  * won't work anymore */
48 #define NFNL_SUBSYS_NONE 		0
49 #define NFNL_SUBSYS_CTNETLINK		1
50 #define NFNL_SUBSYS_CTNETLINK_EXP	2
51 #define NFNL_SUBSYS_QUEUE		3
52 #define NFNL_SUBSYS_ULOG		4
53 #define NFNL_SUBSYS_OSF			5
54 #define NFNL_SUBSYS_IPSET		6
55 #define NFNL_SUBSYS_ACCT		7
56 #define NFNL_SUBSYS_CTNETLINK_TIMEOUT	8
57 #define NFNL_SUBSYS_CTHELPER		9
58 #define NFNL_SUBSYS_NFTABLES		10
59 #define NFNL_SUBSYS_NFT_COMPAT		11
60 #define NFNL_SUBSYS_COUNT		12
61 
62 /* Reserved control nfnetlink messages */
63 #define NFNL_MSG_BATCH_BEGIN		NLMSG_MIN_TYPE
64 #define NFNL_MSG_BATCH_END		NLMSG_MIN_TYPE+1
65 
66 #endif /* _UAPI_NFNETLINK_H */
67