/* * Copyright (c) 1983 Regents of the University of California. * All rights reserved. * * Redistribution and use in source and binary forms are permitted * provided that: (1) source distributions retain this entire copyright * notice and comment, and (2) distributions including binaries display * the following acknowledgement: ``This product includes software * developed by the University of California, Berkeley and its contributors'' * in the documentation or other materials provided with the distribution * and in all advertising materials mentioning features or use of this * software. 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 ``AS IS'' AND WITHOUT ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. * * @(#)af.h 5.7 (Berkeley) 6/1/90 */ /* * 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_sendroute)(); /* 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 */