if_pflog.h revision 145836 
1/*	$FreeBSD: head/sys/contrib/pf/net/if_pflog.h 145836 2005-05-03 16:43:32Z mlaier $	*/
2/* $OpenBSD: if_pflog.h,v 1.11 2004/05/19 17:50:51 dhartmei 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
32struct pflog_softc {
33	struct ifnet	sc_if;  /* the interface */
34#ifdef __FreeBSD__
35	LIST_ENTRY(pflog_softc) sc_next;
36#endif
37};
38
39#define PFLOG_RULESET_NAME_SIZE	16
40
41struct pfloghdr {
42	u_int8_t	length;
43	sa_family_t	af;
44	u_int8_t	action;
45	u_int8_t	reason;
46	char		ifname[IFNAMSIZ];
47	char		ruleset[PFLOG_RULESET_NAME_SIZE];
48	u_int32_t	rulenr;
49	u_int32_t	subrulenr;
50	u_int8_t	dir;
51	u_int8_t	pad[3];
52};
53
54#define PFLOG_HDRLEN		sizeof(struct pfloghdr)
55/* minus pad, also used as a signature */
56#define PFLOG_REAL_HDRLEN	offsetof(struct pfloghdr, pad)
57
58/* XXX remove later when old format logs are no longer needed */
59struct old_pfloghdr {
60	u_int32_t af;
61	char ifname[IFNAMSIZ];
62	short rnr;
63	u_short reason;
64	u_short action;
65	u_short dir;
66};
67#define OLD_PFLOG_HDRLEN	sizeof(struct old_pfloghdr)
68
69#ifdef _KERNEL
70
71#if NPFLOG > 0
72#define	PFLOG_PACKET(i,x,a,b,c,d,e,f,g) pflog_packet(i,a,b,c,d,e,f,g)
73#else
74#define	PFLOG_PACKET(i,x,a,b,c,d,e,f,g)	((void)0)
75#endif /* NPFLOG > 0 */
76#endif /* _KERNEL */
77#endif /* _NET_IF_PFLOG_H_ */
78