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if_pflog.h revision 1.3 
      1 /*	$NetBSD: if_pflog.h,v 1.3 2004/11/14 11:12:16 yamt Exp $	*/
      2 /* $OpenBSD: if_pflog.h,v 1.11 2004/05/19 17:50:51 dhartmei 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 struct pflog_softc {
     32 	struct ifnet	sc_if;  /* the interface */
     33 };
     34 
     35 #define PFLOG_RULESET_NAME_SIZE	16
     36 
     37 struct pfloghdr {
     38 	u_int8_t	length;
     39 	sa_family_t	af;
     40 	u_int8_t	action;
     41 	u_int8_t	reason;
     42 	char		ifname[IFNAMSIZ];
     43 	char		ruleset[PFLOG_RULESET_NAME_SIZE];
     44 	u_int32_t	rulenr;
     45 	u_int32_t	subrulenr;
     46 	u_int8_t	dir;
     47 	u_int8_t	pad[3];
     48 };
     49 
     50 #define PFLOG_HDRLEN		sizeof(struct pfloghdr)
     51 /* minus pad, also used as a signature */
     52 #define PFLOG_REAL_HDRLEN	offsetof(struct pfloghdr, pad)
     53 
     54 /* XXX remove later when old format logs are no longer needed */
     55 struct old_pfloghdr {
     56 	u_int32_t af;
     57 	char ifname[IFNAMSIZ];
     58 	short rnr;
     59 	u_short reason;
     60 	u_short action;
     61 	u_short dir;
     62 };
     63 #define OLD_PFLOG_HDRLEN	sizeof(struct old_pfloghdr)
     64 
     65 #ifdef _KERNEL
     66 
     67 #if NPFLOG > 0
     68 #define	PFLOG_PACKET(i,x,a,b,c,d,e,f,g) pflog_packet(i,a,b,c,d,e,f,g)
     69 #else
     70 #define	PFLOG_PACKET(i,x,a,b,c,d,e,f,g)	((void)0)
     71 #endif /* NPFLOG > 0 */
     72 #endif /* _KERNEL */
     73 #endif /* _NET_IF_PFLOG_H_ */
     74