changes to allow subnets to remain local, propogate net route

[unix-history] / usr / src / sbin / routed / af.h

/*
* Copyright (c) 1983 Regents of the University of California.
* All rights reserved.  The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
*
*      @(#)af.h        5.3 (Berkeley) %G%
*/

/*
* Routing table management daemon.
*/

/*
* Per address family routines.
*/
struct afswitch {
       int     (*af_hash)();           /* returns keys based on address */
       int     (*af_netmatch)();       /* verifies net # matching */
       int     (*af_output)();         /* interprets address for sending */
       int     (*af_portmatch)();      /* packet from some other router? */
       int     (*af_portcheck)();      /* packet from privileged peer? */
       int     (*af_checkhost)();      /* tells if address is valid */
       int     (*af_rtflags)();        /* get flags for route (host or net) */
       int     (*af_sendsubnet)();     /* check bounds of subnet broadcast */
       int     (*af_canon)();          /* canonicalize address for compares */
       char    *(*af_format)();        /* convert address to string */
};

/*
* Structure returned by af_hash routines.
*/
struct afhash {
       u_int   afh_hosthash;           /* host based hash */
       u_int   afh_nethash;            /* network based hash */
};

struct  afswitch afswitch[];            /* table proper */
int     af_max;                         /* number of entries in table */