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 */