1/*
2 * Copyright 2001 Niels Provos <provos@citi.umich.edu>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25#ifndef _NET_NPF_IF_NPFLOG_H_
26#define _NET_NPF_IF_NPFLOG_H_
27
28#ifndef _KERNEL
29#error "not supposed to be exposed to userland"
30#endif
31
32#define NPFLOG_RULESET_NAME_SIZE	16
33
34/*
35 * For now, we use a header compatible with pflog.
36 * This will be improved in the future.
37 */
38
39struct npfloghdr {
40	uint8_t		length;
41	sa_family_t	af;
42	uint8_t		action;
43	uint8_t		reason;
44	char		ifname[IFNAMSIZ];
45	char		ruleset[NPFLOG_RULESET_NAME_SIZE];
46	uint32_t	rulenr;
47	uint32_t	subrulenr;
48	uint32_t	uid;
49	uint32_t	pid;
50	uint32_t	rule_uid;
51	uint32_t	rule_pid;
52	uint8_t		dir;
53	uint8_t		pad[3];
54};
55
56#define DLT_NPFLOG	DLT_PFLOG
57
58#define NPFLOG_HDRLEN		sizeof(struct npfloghdr)
59#define NPFLOG_REAL_HDRLEN	offsetof(struct npfloghdr, pad)
60
61#endif /* _NET_NPF_IF_NPFLOG_H_ */
62