xref: /dragonfly/sys/net/pf/if_pflog.h (revision 1bf4b486)
1 /* $FreeBSD: src/sys/contrib/pf/net/if_pflog.h,v 1.4 2004/06/16 23:24:00 mlaier Exp $ */
2 /* $OpenBSD: if_pflog.h,v 1.10 2004/03/19 04:52:04 frantzen Exp $ */
3 /* $DragonFly: src/sys/net/pf/if_pflog.h,v 1.1 2004/09/19 22:32:47 joerg Exp $ */
4 
5 /*
6  * Copyright (c) 2004 The DragonFly Project.  All rights reserved.
7  *
8  * Copyright 2001 Niels Provos <provos@citi.umich.edu>
9  * All rights reserved.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions and the following disclaimer.
16  * 2. Redistributions in binary form must reproduce the above copyright
17  *    notice, this list of conditions and the following disclaimer in the
18  *    documentation and/or other materials provided with the distribution.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #ifndef _NET_IF_PFLOG_H_
33 #define _NET_IF_PFLOG_H_
34 
35 struct pflog_softc {
36 	struct ifnet	sc_if;  /* the interface */
37 	LIST_ENTRY(pflog_softc) sc_next;
38 };
39 
40 /* XXX keep in sync with pfvar.h */
41 #ifndef PF_RULESET_NAME_SIZE
42 #define PF_RULESET_NAME_SIZE	 16
43 #endif
44 
45 struct pfloghdr {
46 	u_int8_t	length;
47 	sa_family_t	af;
48 	u_int8_t	action;
49 	u_int8_t	reason;
50 	char		ifname[IFNAMSIZ];
51 	char		ruleset[PF_RULESET_NAME_SIZE];
52 	u_int32_t	rulenr;
53 	u_int32_t	subrulenr;
54 	u_int8_t	dir;
55 	u_int8_t	pad[3];
56 };
57 
58 #define PFLOG_HDRLEN		sizeof(struct pfloghdr)
59 /* minus pad, also used as a signature */
60 #define PFLOG_REAL_HDRLEN	offsetof(struct pfloghdr, pad)
61 
62 /* XXX remove later when old format logs are no longer needed */
63 struct old_pfloghdr {
64 	u_int32_t af;
65 	char ifname[IFNAMSIZ];
66 	short rnr;
67 	u_short reason;
68 	u_short action;
69 	u_short dir;
70 };
71 #define OLD_PFLOG_HDRLEN	sizeof(struct old_pfloghdr)
72 
73 #ifdef _KERNEL
74 
75 #include "use_pflog.h"
76 
77 #if NPFLOG > 0
78 #define	PFLOG_PACKET(i,x,a,b,c,d,e,f,g) pflog_packet(i,a,b,c,d,e,f,g)
79 #else
80 #define	PFLOG_PACKET(i,x,a,b,c,d,e,f,g)	((void)0)
81 #endif /* NPFLOG > 0 */
82 #endif /* _KERNEL */
83 #endif /* _NET_IF_PFLOG_H_ */
84