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if_pflog.h revision 1.1 
      1 /* $OpenBSD: if_pflog.h,v 1.10 2004/03/19 04:52:04 frantzen 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 /* XXX keep in sync with pfvar.h */
     35 #ifndef PF_RULESET_NAME_SIZE
     36 #define PF_RULESET_NAME_SIZE	 16
     37 #endif
     38 
     39 struct pfloghdr {
     40 	u_int8_t	length;
     41 	sa_family_t	af;
     42 	u_int8_t	action;
     43 	u_int8_t	reason;
     44 	char		ifname[IFNAMSIZ];
     45 	char		ruleset[PF_RULESET_NAME_SIZE];
     46 	u_int32_t	rulenr;
     47 	u_int32_t	subrulenr;
     48 	u_int8_t	dir;
     49 	u_int8_t	pad[3];
     50 };
     51 
     52 #define PFLOG_HDRLEN		sizeof(struct pfloghdr)
     53 /* minus pad, also used as a signature */
     54 #define PFLOG_REAL_HDRLEN	offsetof(struct pfloghdr, pad)
     55 
     56 /* XXX remove later when old format logs are no longer needed */
     57 struct old_pfloghdr {
     58 	u_int32_t af;
     59 	char ifname[IFNAMSIZ];
     60 	short rnr;
     61 	u_short reason;
     62 	u_short action;
     63 	u_short dir;
     64 };
     65 #define OLD_PFLOG_HDRLEN	sizeof(struct old_pfloghdr)
     66 
     67 #ifdef _KERNEL
     68 
     69 #if NPFLOG > 0
     70 #define	PFLOG_PACKET(i,x,a,b,c,d,e,f,g) pflog_packet(i,a,b,c,d,e,f,g)
     71 #else
     72 #define	PFLOG_PACKET(i,x,a,b,c,d,e,f,g)	((void)0)
     73 #endif /* NPFLOG > 0 */
     74 #endif /* _KERNEL */
     75 #endif /* _NET_IF_PFLOG_H_ */
     76