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/* $NetBSD: af.h,v 1.8 1995/06/20 22:26:45 christos Exp $ */
/*
* Copyright (c) 1983, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)af.h 8.1 (Berkeley) 6/5/93
*/
/*
* Routing table management daemon.
*/
/*
* Structure returned by af_hash routines.
*/
struct afhash {
u_int afh_hosthash; /* host based hash */
u_int afh_nethash; /* network based hash */
};
/*
* Per address family routines.
*/
struct afswitch {
/* returns keys based on address */
void (*af_hash) __P((struct sockaddr *, struct afhash *));
/* verifies net # matching */
int (*af_netmatch) __P((struct sockaddr *, struct sockaddr *));
/* interprets address for sending */
void (*af_output) __P((int, int, struct sockaddr *, int));
/* packet from some other router? */
int (*af_portmatch) __P((struct sockaddr *));
/* packet from privileged peer? */
int (*af_portcheck) __P((struct sockaddr *));
/* tells if address is valid */
int (*af_checkhost) __P((struct sockaddr *));
/* get flags for route (host or net) */
int (*af_rtflags) __P((struct sockaddr *));
/* check bounds of subnet broadcast */
int (*af_sendroute) __P((struct rt_entry *, struct sockaddr *));
/* canonicalize address for compares */
void (*af_canon) __P((struct sockaddr *));
/* convert address to string */
char *(*af_format) __P((struct sockaddr *, char *, size_t));
/* get address from packet */
#define DESTINATION 0
#define GATEWAY 1
#define NETMASK 2
int (*af_get) __P((int, void *, struct sockaddr *));
/* put address to packet */
void (*af_put) __P((void *, struct sockaddr *));
};
extern struct afswitch afswitch[]; /* table proper */
extern int af_max; /* number of entries in table */
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