1/*
2 * Copyright (C) 1995, 1996, 1997, 1998 and 1999 WIDE Project.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the project nor the names of its contributors
14 *    may be used to endorse or promote products derived from this software
15 *    without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29#include <sys/appleapiopts.h>
30
31#include <sys/callout.h>
32
33#ifdef KERNEL_PRIVATE
34struct rr_prefix {
35	struct ifprefix	rp_ifpr;
36	LIST_ENTRY(rr_prefix) rp_entry;
37	LIST_HEAD(rp_addrhead, rp_addr) rp_addrhead;
38	struct sockaddr_in6 rp_prefix;	/* prefix */
39	u_int32_t rp_vltime;	/* advertised valid lifetime */
40	u_int32_t rp_pltime;	/* advertised preferred lifetime */
41	time_t rp_expire;	/* expiration time of the prefix */
42	time_t rp_preferred;	/* preferred time of the prefix */
43	struct in6_prflags rp_flags;
44	u_char	rp_origin; /* from where this prefix info is obtained */
45	struct	rp_stateflags {
46		/* if some prefix should be added to this prefix */
47		u_char addmark : 1;
48		u_char delmark : 1; /* if this prefix will be deleted */
49	} rp_stateflags;
50};
51
52#define rp_type		rp_ifpr.ifpr_type
53#define rp_ifp		rp_ifpr.ifpr_ifp
54#define rp_plen		rp_ifpr.ifpr_plen
55
56#define rp_raf		rp_flags.prf_ra
57#define rp_raf_onlink		rp_flags.prf_ra.onlink
58#define rp_raf_auto		rp_flags.prf_ra.autonomous
59
60#define rp_statef_addmark	rp_stateflags.addmark
61#define rp_statef_delmark	rp_stateflags.delmark
62
63#define rp_rrf		rp_flags.prf_rr
64#define rp_rrf_decrvalid	rp_flags.prf_rr.decrvalid
65#define rp_rrf_decrprefd	rp_flags.prf_rr.decrprefd
66
67struct rp_addr {
68	LIST_ENTRY(rp_addr)	ra_entry;
69	struct in6_addr		ra_ifid;
70	struct in6_ifaddr	*ra_addr;
71	struct ra_flags {
72		u_char anycast : 1;
73	} ra_flags;
74};
75
76#define ifpr2rp(ifpr)	((struct rr_prefix *)(ifpr))
77#define rp2ifpr(rp)	((struct ifprefix *)(rp))
78
79#define RP_IN6(rp)	(&(rp)->rp_prefix.sin6_addr)
80
81#define RR_INFINITE_LIFETIME		0xffffffff
82
83
84LIST_HEAD(rr_prhead, rr_prefix);
85
86extern struct rr_prhead rr_prefix;
87
88void in6_rr_timer(void *);
89int delete_each_prefix (struct rr_prefix *rpp, u_char origin);
90
91#endif KERNEL_PRIVATE
92