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if_pflog.h revision 1.1.1.3 
      1 /*	$NetBSD: if_pflog.h,v 1.1.1.3 2009/12/01 07:03:11 martti Exp $	*/
      2 /* $OpenBSD: if_pflog.h,v 1.14 2006/10/25 11:27:01 henning Exp $ */
      3 /*
      4  * Copyright 2001 Niels Provos <provos (at) 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 
     31 #define	PFLOGIFS_MAX	16
     32 
     33 struct pflog_softc {
     34 	struct ifnet		sc_if;		/* the interface */
     35 	int			sc_unit;
     36 	LIST_ENTRY(pflog_softc)	sc_list;
     37 };
     38 
     39 #define PFLOG_RULESET_NAME_SIZE	16
     40 
     41 struct 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 	uid_t		uid;
     51 	pid_t		pid;
     52 	uid_t		rule_uid;
     53 	pid_t		rule_pid;
     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 #if NPFLOG > 0
     76 #define	PFLOG_PACKET(i,x,a,b,c,d,e,f,g,h) pflog_packet(i,a,b,c,d,e,f,g,h)
     77 #else
     78 #define	PFLOG_PACKET(i,x,a,b,c,d,e,f,g,h) ((void)0)
     79 #endif /* NPFLOG > 0 */
     80 #endif /* _KERNEL */
     81 #endif /* _NET_IF_PFLOG_H_ */
     82