usr.sbin/IPXrouted/af.h

   1 /*
   2  * Copyright (c) 1983, 1993
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * Copyright (c) 1995 John Hay.  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  * 3. All advertising materials mentioning features or use of this software
  16  *    must display the following acknowledgement:
  17  *      This product includes software developed by the University of
  18  *      California, Berkeley and its contributors.
  19  * 4. Neither the name of the University nor the names of its contributors
  20  *    may be used to endorse or promote products derived from this software
  21  *    without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  33  * SUCH DAMAGE.
  34  *
  35  *      @(#)af.h        5.1 (Berkeley) 6/4/85 (routed/af.h)
  36  *
  37  *      @(#)af.h        8.1 (Berkeley) 6/5/93
  38  *
  39  * $FreeBSD: src/usr.sbin/IPXrouted/af.h,v 1.4 1999/08/28 01:15:01 peter Exp $
  40  * $DragonFly: src/usr.sbin/IPXrouted/af.h,v 1.2 2003/06/17 04:29:52 dillon Exp $
  41  */
  42
  43 /*
  44  * Routing table management daemon.
  45  */
  46
  47 /*
  48  * Structure returned by af_hash routines.
  49  */
  50 struct afhash {
  51         u_int   afh_hosthash;           /* host based hash */
  52         u_int   afh_nethash;            /* network based hash */
  53 };
  54
  55 /*
  56  * Per address family routines.
  57  */
  58 typedef void af_hash_t(struct sockaddr *, struct afhash *);
  59 typedef int  af_netmatch_t(struct sockaddr *, struct sockaddr *);
  60 typedef void af_output_t(int, int, struct sockaddr *, int);
  61 typedef int  af_portmatch_t(struct sockaddr *);
  62 typedef int  af_portcheck_t(struct sockaddr *);
  63 typedef int  af_checkhost_t(struct sockaddr *);
  64 typedef int  af_ishost_t(struct sockaddr *);
  65 typedef void af_canon_t(struct sockaddr *);
  66
  67 struct afswitch {
  68         af_hash_t       *af_hash;       /* returns keys based on address */
  69         af_netmatch_t   *af_netmatch;   /* verifies net # matching */
  70         af_output_t     *af_output;     /* interprets address for sending */
  71         af_portmatch_t  *af_portmatch;  /* packet from some other router? */
  72         af_portcheck_t  *af_portcheck;  /* packet from privileged peer? */
  73         af_checkhost_t  *af_checkhost;  /* tells if address for host or net */
  74         af_ishost_t     *af_ishost;     /* tells if address is valid */
  75         af_canon_t      *af_canon;      /* canonicalize address for compares */
  76 };
  77
  78 struct  afswitch afswitch[AF_MAX];      /* table proper */