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/*      $FreeBSD: src/sys/netinet6/in6_prefix.h,v 1.5 2001/06/11 12:39:05 ume Exp $     */

/*      $KAME: in6_prefix.h,v 1.10 2001/02/08 16:30:30 itojun Exp $     */

/*

 * 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.

 */

#include <sys/callout.h>

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 *));

extern struct callout in6_rr_timer_ch;

int delete_each_prefix  __P((struct rr_prefix *rpp, u_char origin));