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/*
 * Copyright (C) 1995, 1996, 1997, 1998 and 1999 WIDE Project.
 * 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. Neither the name of the project 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 PROJECT 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 PROJECT 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.
 *
 * $FreeBSD$
 */

struct rr_prefix {
	struct	ifprefix	rp_ifpr;
	LIST_ENTRY(rr_prefix) rp_entry;
	LIST_HEAD(rp_addrhead, rp_addr) rp_addrhead;
	struct	sockaddr_in6 rp_prefix;	/* prefix */
	u_int32_t	rp_vltime;	/* advertised valid lifetime */
	u_int32_t	rp_pltime;	/* advertised preferred lifetime */
	time_t	rp_expire;	/* expiration time of the prefix */
	time_t	rp_preferred;	/* preferred time of the prefix */
	struct	in6_prflags rp_flags;
	u_char	rp_origin; /* from where this prefix info is obtained */
	struct	rp_stateflags {
		/* if some prefix should be added to this prefix */
		u_char	addmark : 1;
		u_char	delmark : 1; /* if this prefix will be deleted */
	} rp_stateflags;
};

#define	rp_type			rp_ifpr.ifpr_type
#define	rp_ifp			rp_ifpr.ifpr_ifp
#define	rp_plen			rp_ifpr.ifpr_plen

#define	rp_raf			rp_flags.prf_ra
#define	rp_raf_onlink		rp_flags.prf_ra.onlink
#define	rp_raf_auto		rp_flags.prf_ra.autonomous

#define	rp_statef_addmark	rp_stateflags.addmark
#define	rp_statef_delmark	rp_stateflags.delmark

#define	rp_rrf			rp_flags.prf_rr
#define	rp_rrf_decrvalid	rp_flags.prf_rr.decrvalid
#define	rp_rrf_decrprefd	rp_flags.prf_rr.decrprefd

struct rp_addr {
	LIST_ENTRY(rp_addr) ra_entry;
	struct	in6_addr	ra_ifid;
	struct	in6_ifaddr	*ra_addr;
	struct	ra_flags {
		u_char	anycast : 1;
	} ra_flags;
};

#define	ifpr2rp(ifpr)	((struct rr_prefix *)(ifpr))
#define	rp2ifpr(rp)	((struct ifprefix *)(rp))

#define	RP_IN6(rp)	(&(rp)->rp_prefix.sin6_addr)

#define	RR_INFINITE_LIFETIME		0xffffffff


LIST_HEAD(rr_prhead, rr_prefix);

extern struct	rr_prhead rr_prefix;

void	in6_rr_timer __P((void *));
int	delete_each_prefix  __P((struct socket *so, struct rr_prefix *rpp,
				 u_char origin));
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