sys/net/pf/if_pflog.h

   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_ */