1/*	$NetBSD: if_pflog.h,v 1.5 2008/06/18 09:06:27 yamt Exp $	*/
 2/*	$OpenBSD: if_pflog.h,v 1.14 2006/10/25 11:27:01 henning Exp $ */
 3
 4/*
 5 * Copyright 2001 Niels Provos <provos@citi.umich.edu>
 6 * All rights reserved.
 7 *
 8 * Redistribution and use in source and binary forms, with or without
 9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#ifndef _NET_IF_PFLOG_H_
30#define _NET_IF_PFLOG_H_
31
32#define	PFLOGIFS_MAX	16
33
34struct pflog_softc {
35	struct ifnet		sc_if;		/* the interface */
36	int			sc_unit;
37	LIST_ENTRY(pflog_softc)	sc_list;
38};
39
40#define PFLOG_RULESET_NAME_SIZE	16
41
42struct pfloghdr {
43	u_int8_t	length;
44	sa_family_t	af;
45	u_int8_t	action;
46	u_int8_t	reason;
47	char		ifname[IFNAMSIZ];
48	char		ruleset[PFLOG_RULESET_NAME_SIZE];
49	u_int32_t	rulenr;
50	u_int32_t	subrulenr;
51	uid_t		uid;
52	pid_t		pid;
53	uid_t		rule_uid;
54	pid_t		rule_pid;
55	u_int8_t	dir;
56	u_int8_t	pad[3];
57};
58
59#define PFLOG_HDRLEN		sizeof(struct pfloghdr)
60/* minus pad, also used as a signature */
61#define PFLOG_REAL_HDRLEN	offsetof(struct pfloghdr, pad)
62
63/* XXX remove later when old format logs are no longer needed */
64struct old_pfloghdr {
65	u_int32_t af;
66	char ifname[IFNAMSIZ];
67	short rnr;
68	u_short reason;
69	u_short action;
70	u_short dir;
71};
72#define OLD_PFLOG_HDRLEN	sizeof(struct old_pfloghdr)
73
74#ifdef _KERNEL
75
76#if NPFLOG > 0
77#define	PFLOG_PACKET(i,x,a,b,c,d,e,f,g,h) pflog_packet(i,a,b,c,d,e,f,g,h)
78#else
79#define	PFLOG_PACKET(i,x,a,b,c,d,e,f,g,h) ((void)0)
80#endif /* NPFLOG > 0 */
81#endif /* _KERNEL */
82#endif /* _NET_IF_PFLOG_H_ */