Watt-32 tcp/ip  2.2 dev-rel.10
in6_pref.h
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1 
5 /* $FreeBSD: src/sys/netinet6/in6_prefix.h,v 1.5 2001/06/11 12:39:05 ume Exp $ */
6 /* $KAME: in6_prefix.h,v 1.10 2001/02/08 16:30:30 itojun Exp $ */
7 
8 /*
9  * Copyright (C) 1995, 1996, 1997, 1998 and 1999 WIDE Project.
10  * All rights reserved.
11  *
12  * Redistribution and use in source and binary forms, with or without
13  * modification, are permitted provided that the following conditions
14  * are met:
15  * 1. Redistributions of source code must retain the above copyright
16  * notice, this list of conditions and the following disclaimer.
17  * 2. Redistributions in binary form must reproduce the above copyright
18  * notice, this list of conditions and the following disclaimer in the
19  * documentation and/or other materials provided with the distribution.
20  * 3. Neither the name of the project nor the names of its contributors
21  * may be used to endorse or promote products derived from this software
22  * without specific prior written permission.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27  * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34  * SUCH DAMAGE.
35  */
36 
37 #include <sys/callout.h>
38 
39 struct rr_prefix {
40  struct ifprefix rp_ifpr;
41  LIST_ENTRY(rr_prefix) rp_entry;
42  LIST_HEAD(rp_addrhead, rp_addr) rp_addrhead;
43  struct sockaddr_in6 rp_prefix; /* prefix */
44  u_int32_t rp_vltime; /* advertised valid lifetime */
45  u_int32_t rp_pltime; /* advertised preferred lifetime */
46  time_t rp_expire; /* expiration time of the prefix */
47  time_t rp_preferred; /* preferred time of the prefix */
48  struct in6_prflags rp_flags;
49  u_char rp_origin; /* from where this prefix info is obtained */
50  struct rp_stateflags {
51  /* if some prefix should be added to this prefix */
52  u_char addmark : 1;
53  u_char delmark : 1; /* if this prefix will be deleted */
54  } rp_stateflags;
55 };
56 
57 #define rp_type rp_ifpr.ifpr_type
58 #define rp_ifp rp_ifpr.ifpr_ifp
59 #define rp_plen rp_ifpr.ifpr_plen
60 
61 #define rp_raf rp_flags.prf_ra
62 #define rp_raf_onlink rp_flags.prf_ra.onlink
63 #define rp_raf_auto rp_flags.prf_ra.autonomous
64 
65 #define rp_statef_addmark rp_stateflags.addmark
66 #define rp_statef_delmark rp_stateflags.delmark
67 
68 #define rp_rrf rp_flags.prf_rr
69 #define rp_rrf_decrvalid rp_flags.prf_rr.decrvalid
70 #define rp_rrf_decrprefd rp_flags.prf_rr.decrprefd
71 
72 struct rp_addr {
73  LIST_ENTRY(rp_addr) ra_entry;
74  struct in6_addr ra_ifid;
75  struct in6_ifaddr *ra_addr;
76  struct ra_flags {
77  u_char anycast : 1;
78  } ra_flags;
79 };
80 
81 #define ifpr2rp(ifpr) ((struct rr_prefix *)(ifpr))
82 #define rp2ifpr(rp) ((struct ifprefix *)(rp))
83 
84 #define RP_IN6(rp) (&(rp)->rp_prefix.sin6_addr)
85 
86 #define RR_INFINITE_LIFETIME 0xffffffff
87 
88 
89 LIST_HEAD(rr_prhead, rr_prefix);
90 
91 extern struct rr_prhead rr_prefix;
92 
93 void in6_rr_timer __P((void *));
94 extern struct callout in6_rr_timer_ch;
95 int delete_each_prefix __P((struct rr_prefix *rpp, u_char origin));
Definition: in.h:153