if_pflog.h revision 126261 
1/*	$FreeBSD: head/sys/contrib/pf/net/if_pflog.h 126261 2004-02-26 02:34:12Z mlaier $	*/
2/* $OpenBSD: if_pflog.h,v 1.9 2003/07/15 20:27:27 dhartmei Exp $ */
3/*
4 * Copyright 2001 Niels Provos <provos@citi.umich.edu>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28#ifndef _NET_IF_PFLOG_H_
29#define _NET_IF_PFLOG_H_
30
31struct pflog_softc {
32	struct ifnet	sc_if;  /* the interface */
33#if defined(__FreeBSD__)
34	LIST_ENTRY(pflog_softc) sc_next;
35#endif
36};
37
38/* XXX keep in sync with pfvar.h */
39#ifndef PF_RULESET_NAME_SIZE
40#define PF_RULESET_NAME_SIZE	 16
41#endif
42
43struct pfloghdr {
44	u_int8_t	length;
45	sa_family_t	af;
46	u_int8_t	action;
47	u_int8_t	reason;
48	char		ifname[IFNAMSIZ];
49	char		ruleset[PF_RULESET_NAME_SIZE];
50	u_int32_t	rulenr;
51	u_int32_t	subrulenr;
52	u_int8_t	dir;
53	u_int8_t	pad[3];
54};
55
56#define PFLOG_HDRLEN		sizeof(struct pfloghdr)
57/* minus pad, also used as a signature */
58#define PFLOG_REAL_HDRLEN	offsetof(struct pfloghdr, pad);
59
60/* XXX remove later when old format logs are no longer needed */
61struct old_pfloghdr {
62	u_int32_t af;
63	char ifname[IFNAMSIZ];
64	short rnr;
65	u_short reason;
66	u_short action;
67	u_short dir;
68};
69#define OLD_PFLOG_HDRLEN	sizeof(struct old_pfloghdr)
70
71#ifdef _KERNEL
72
73#if NPFLOG > 0
74#define	PFLOG_PACKET(i,x,a,b,c,d,e,f,g) pflog_packet(i,a,b,c,d,e,f,g)
75#else
76#define	PFLOG_PACKET(i,x,a,b,c,d,e,f,g)	((void)0)
77#endif /* NPFLOG > 0 */
78#endif /* _KERNEL */
79#endif /* _NET_IF_PFLOG_H_ */
80