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if_pflog.h revision 1.1.1.2 
      1 /* $OpenBSD: if_pflog.h,v 1.11 2004/05/19 17:50:51 dhartmei Exp $ */
      2 /*
      3  * Copyright 2001 Niels Provos <provos (at) citi.umich.edu>
      4  * All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  *
     15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     25  */
     26 
     27 #ifndef _NET_IF_PFLOG_H_
     28 #define _NET_IF_PFLOG_H_
     29 
     30 struct pflog_softc {
     31 	struct ifnet	sc_if;  /* the interface */
     32 };
     33 
     34 #define PFLOG_RULESET_NAME_SIZE	16
     35 
     36 struct pfloghdr {
     37 	u_int8_t	length;
     38 	sa_family_t	af;
     39 	u_int8_t	action;
     40 	u_int8_t	reason;
     41 	char		ifname[IFNAMSIZ];
     42 	char		ruleset[PFLOG_RULESET_NAME_SIZE];
     43 	u_int32_t	rulenr;
     44 	u_int32_t	subrulenr;
     45 	u_int8_t	dir;
     46 	u_int8_t	pad[3];
     47 };
     48 
     49 #define PFLOG_HDRLEN		sizeof(struct pfloghdr)
     50 /* minus pad, also used as a signature */
     51 #define PFLOG_REAL_HDRLEN	offsetof(struct pfloghdr, pad)
     52 
     53 /* XXX remove later when old format logs are no longer needed */
     54 struct old_pfloghdr {
     55 	u_int32_t af;
     56 	char ifname[IFNAMSIZ];
     57 	short rnr;
     58 	u_short reason;
     59 	u_short action;
     60 	u_short dir;
     61 };
     62 #define OLD_PFLOG_HDRLEN	sizeof(struct old_pfloghdr)
     63 
     64 #ifdef _KERNEL
     65 
     66 #if NPFLOG > 0
     67 #define	PFLOG_PACKET(i,x,a,b,c,d,e,f,g) pflog_packet(i,a,b,c,d,e,f,g)
     68 #else
     69 #define	PFLOG_PACKET(i,x,a,b,c,d,e,f,g)	((void)0)
     70 #endif /* NPFLOG > 0 */
     71 #endif /* _KERNEL */
     72 #endif /* _NET_IF_PFLOG_H_ */
     73