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[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [packages/] [net/] [bsd_tcpip/] [v2_0/] [include/] [netinet6/] [in6.h] - Blame information for rev 174

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//==========================================================================
2
//
3
//      include/netinet6/in6.h
4
//
5
//==========================================================================
6
//####BSDCOPYRIGHTBEGIN####
7
//
8
// -------------------------------------------
9
//
10
// Portions of this software may have been derived from OpenBSD, 
11
// FreeBSD or other sources, and are covered by the appropriate
12
// copyright disclaimers included herein.
13
//
14
// Portions created by Red Hat are
15
// Copyright (C) 2002 Red Hat, Inc. All Rights Reserved.
16
//
17
// -------------------------------------------
18
//
19
//####BSDCOPYRIGHTEND####
20
//==========================================================================
21
 
22
/*      $KAME: in6.h,v 1.115 2002/01/02 06:43:13 jinmei Exp $   */
23
 
24
/*
25
 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
26
 * All rights reserved.
27
 *
28
 * Redistribution and use in source and binary forms, with or without
29
 * modification, are permitted provided that the following conditions
30
 * are met:
31
 * 1. Redistributions of source code must retain the above copyright
32
 *    notice, this list of conditions and the following disclaimer.
33
 * 2. Redistributions in binary form must reproduce the above copyright
34
 *    notice, this list of conditions and the following disclaimer in the
35
 *    documentation and/or other materials provided with the distribution.
36
 * 3. Neither the name of the project nor the names of its contributors
37
 *    may be used to endorse or promote products derived from this software
38
 *    without specific prior written permission.
39
 *
40
 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
41
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
44
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
50
 * SUCH DAMAGE.
51
 */
52
 
53
/*
54
 * Copyright (c) 1982, 1986, 1990, 1993
55
 *      The Regents of the University of California.  All rights reserved.
56
 *
57
 * Redistribution and use in source and binary forms, with or without
58
 * modification, are permitted provided that the following conditions
59
 * are met:
60
 * 1. Redistributions of source code must retain the above copyright
61
 *    notice, this list of conditions and the following disclaimer.
62
 * 2. Redistributions in binary form must reproduce the above copyright
63
 *    notice, this list of conditions and the following disclaimer in the
64
 *    documentation and/or other materials provided with the distribution.
65
 * 3. All advertising materials mentioning features or use of this software
66
 *    must display the following acknowledgement:
67
 *      This product includes software developed by the University of
68
 *      California, Berkeley and its contributors.
69
 * 4. Neither the name of the University nor the names of its contributors
70
 *    may be used to endorse or promote products derived from this software
71
 *    without specific prior written permission.
72
 *
73
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
74
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
75
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
76
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
77
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
78
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
79
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
80
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
81
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
82
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
83
 * SUCH DAMAGE.
84
 *
85
 *      @(#)in.h        8.3 (Berkeley) 1/3/94
86
 */
87
 
88
#ifndef __KAME_NETINET_IN_H_INCLUDED_
89
#error "do not include netinet6/in6.h directly, include netinet/in.h.  see RFC2553"
90
#endif
91
 
92
#ifndef _NETINET6_IN6_H_
93
#define _NETINET6_IN6_H_
94
 
95
/*
96
 * Identification of the network protocol stack
97
 * for *BSD-current/release: http://www.kame.net/dev/cvsweb.cgi/kame/COVERAGE
98
 * has the table of implementation/integration differences.
99
 */
100
#define __KAME__
101
#define __KAME_VERSION          "SNAP 20020107"
102
 
103
/*
104
 * Local port number conventions:
105
 *
106
 * Ports < IPPORT_RESERVED are reserved for privileged processes (e.g. root),
107
 * unless a kernel is compiled with IPNOPRIVPORTS defined.
108
 *
109
 * When a user does a bind(2) or connect(2) with a port number of zero,
110
 * a non-conflicting local port address is chosen.
111
 *
112
 * The default range is IPPORT_ANONMIN to IPPORT_ANONMAX, although
113
 * that is settable by sysctl(3); net.inet.ip.anonportmin and
114
 * net.inet.ip.anonportmax respectively.
115
 *
116
 * A user may set the IPPROTO_IP option IP_PORTRANGE to change this
117
 * default assignment range.
118
 *
119
 * The value IP_PORTRANGE_DEFAULT causes the default behavior.
120
 *
121
 * The value IP_PORTRANGE_HIGH is the same as IP_PORTRANGE_DEFAULT,
122
 * and exists only for FreeBSD compatibility purposes.
123
 *
124
 * The value IP_PORTRANGE_LOW changes the range to the "low" are
125
 * that is (by convention) restricted to privileged processes.
126
 * This convention is based on "vouchsafe" principles only.
127
 * It is only secure if you trust the remote host to restrict these ports.
128
 * The range is IPPORT_RESERVEDMIN to IPPORT_RESERVEDMAX.
129
 */
130
 
131
#define IPV6PORT_RESERVED       1024
132
#define IPV6PORT_ANONMIN        49152
133
#define IPV6PORT_ANONMAX        65535
134
#define IPV6PORT_RESERVEDMIN    600
135
#define IPV6PORT_RESERVEDMAX    (IPV6PORT_RESERVED-1)
136
 
137
/*
138
 * IPv6 address
139
 */
140
struct in6_addr {
141
        union {
142
                u_int8_t   __u6_addr8[16];
143
                u_int16_t  __u6_addr16[8];
144
                u_int32_t  __u6_addr32[4];
145
        } __u6_addr;                    /* 128-bit IP6 address */
146
};
147
 
148
#define s6_addr   __u6_addr.__u6_addr8
149
#ifdef _KERNEL  /* XXX nonstandard */
150
#define s6_addr8  __u6_addr.__u6_addr8
151
#define s6_addr16 __u6_addr.__u6_addr16
152
#define s6_addr32 __u6_addr.__u6_addr32
153
#endif
154
 
155
#define INET6_ADDRSTRLEN        46
156
 
157
/*
158
 * Socket address for IPv6
159
 */
160
#ifndef _XOPEN_SOURCE
161
#define SIN6_LEN
162
#endif
163
struct sockaddr_in6 {
164
        u_int8_t        sin6_len;       /* length of this struct(sa_family_t)*/
165
        u_int8_t        sin6_family;    /* AF_INET6 (sa_family_t) */
166
        u_int16_t       sin6_port;      /* Transport layer port # (in_port_t)*/
167
        u_int32_t       sin6_flowinfo;  /* IP6 flow information */
168
        struct in6_addr sin6_addr;      /* IP6 address */
169
        u_int32_t       sin6_scope_id;  /* scope zone index */
170
};
171
 
172
/*
173
 * Local definition for masks
174
 */
175
#ifdef _KERNEL  /* XXX nonstandard */
176
#define IN6MASK0        {{{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }}}
177
#define IN6MASK32       {{{ 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, \
178
                            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}}
179
#define IN6MASK64       {{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \
180
                            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}}
181
#define IN6MASK96       {{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \
182
                            0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00 }}}
183
#define IN6MASK128      {{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \
184
                            0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }}}
185
#endif
186
 
187
#ifdef _KERNEL
188
extern const struct sockaddr_in6 sa6_any;
189
 
190
extern const struct in6_addr in6mask0;
191
extern const struct in6_addr in6mask32;
192
extern const struct in6_addr in6mask64;
193
extern const struct in6_addr in6mask96;
194
extern const struct in6_addr in6mask128;
195
#endif /* _KERNEL */
196
 
197
/*
198
 * Macros started with IPV6_ADDR is KAME local
199
 */
200
#ifdef _KERNEL  /* XXX nonstandard */
201
#if BYTE_ORDER == BIG_ENDIAN
202
#define IPV6_ADDR_INT32_ONE     1
203
#define IPV6_ADDR_INT32_TWO     2
204
#define IPV6_ADDR_INT32_MNL     0xff010000
205
#define IPV6_ADDR_INT32_MLL     0xff020000
206
#define IPV6_ADDR_INT32_SMP     0x0000ffff
207
#define IPV6_ADDR_INT16_ULL     0xfe80
208
#define IPV6_ADDR_INT16_USL     0xfec0
209
#define IPV6_ADDR_INT16_MLL     0xff02
210
#elif BYTE_ORDER == LITTLE_ENDIAN
211
#define IPV6_ADDR_INT32_ONE     0x01000000
212
#define IPV6_ADDR_INT32_TWO     0x02000000
213
#define IPV6_ADDR_INT32_MNL     0x000001ff
214
#define IPV6_ADDR_INT32_MLL     0x000002ff
215
#define IPV6_ADDR_INT32_SMP     0xffff0000
216
#define IPV6_ADDR_INT16_ULL     0x80fe
217
#define IPV6_ADDR_INT16_USL     0xc0fe
218
#define IPV6_ADDR_INT16_MLL     0x02ff
219
#endif
220
#endif
221
 
222
/*
223
 * Definition of some useful macros to handle IP6 addresses
224
 */
225
#define IN6ADDR_ANY_INIT \
226
        {{{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
227
            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}}
228
#define IN6ADDR_LOOPBACK_INIT \
229
        {{{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
230
            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}}
231
#define IN6ADDR_NODELOCAL_ALLNODES_INIT \
232
        {{{ 0xff, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
233
            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}}
234
#define IN6ADDR_INTFACELOCAL_ALLNODES_INIT \
235
        {{{ 0xff, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
236
            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}}
237
#define IN6ADDR_LINKLOCAL_ALLNODES_INIT \
238
        {{{ 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
239
            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}}
240
#define IN6ADDR_LINKLOCAL_ALLROUTERS_INIT \
241
        {{{ 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
242
            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02 }}}
243
 
244
extern const struct in6_addr in6addr_any;
245
extern const struct in6_addr in6addr_loopback;
246
extern const struct in6_addr in6addr_nodelocal_allnodes;
247
extern const struct in6_addr in6addr_linklocal_allnodes;
248
extern const struct in6_addr in6addr_linklocal_allrouters;
249
 
250
/*
251
 * Equality
252
 * NOTE: Some of kernel programming environment (for example, openbsd/sparc)
253
 * does not supply memcmp().  For userland memcmp() is preferred as it is
254
 * in ANSI standard.
255
 */
256
#ifdef _KERNEL
257
#define IN6_ARE_ADDR_EQUAL(a, b)                        \
258
    (bcmp(&(a)->s6_addr[0], &(b)->s6_addr[0], sizeof(struct in6_addr)) == 0)
259
#else
260
#define IN6_ARE_ADDR_EQUAL(a, b)                        \
261
    (memcmp(&(a)->s6_addr[0], &(b)->s6_addr[0], sizeof(struct in6_addr)) == 0)
262
#endif
263
 
264
#ifdef _KERNEL                  /* non standard */
265
/* see if two addresses are equal in a scope-conscious manner. */
266
#define SA6_ARE_ADDR_EQUAL(a, b) \
267
        (((a)->sin6_scope_id == 0 || (b)->sin6_scope_id == 0 || \
268
          ((a)->sin6_scope_id == (b)->sin6_scope_id)) && \
269
         (bcmp(&(a)->sin6_addr, &(b)->sin6_addr, sizeof(struct in6_addr)) == 0))
270
#endif
271
 
272
/*
273
 * Unspecified
274
 */
275
#define IN6_IS_ADDR_UNSPECIFIED(a)      \
276
        ((*(const u_int32_t *)(const void *)(&(a)->s6_addr[0]) == 0) &&   \
277
         (*(const u_int32_t *)(const void *)(&(a)->s6_addr[4]) == 0) &&  \
278
         (*(const u_int32_t *)(const void *)(&(a)->s6_addr[8]) == 0) &&  \
279
         (*(const u_int32_t *)(const void *)(&(a)->s6_addr[12]) == 0))
280
 
281
/*
282
 * Loopback
283
 */
284
#define IN6_IS_ADDR_LOOPBACK(a)         \
285
        ((*(const u_int32_t *)(const void *)(&(a)->s6_addr[0]) == 0) &&   \
286
         (*(const u_int32_t *)(const void *)(&(a)->s6_addr[4]) == 0) &&  \
287
         (*(const u_int32_t *)(const void *)(&(a)->s6_addr[8]) == 0) &&  \
288
         (*(const u_int32_t *)(const void *)(&(a)->s6_addr[12]) == ntohl(1)))
289
 
290
/*
291
 * IPv4 compatible
292
 */
293
#define IN6_IS_ADDR_V4COMPAT(a)         \
294
        ((*(const u_int32_t *)(const void *)(&(a)->s6_addr[0]) == 0) &&   \
295
         (*(const u_int32_t *)(const void *)(&(a)->s6_addr[4]) == 0) &&  \
296
         (*(const u_int32_t *)(const void *)(&(a)->s6_addr[8]) == 0) &&  \
297
         (*(const u_int32_t *)(const void *)(&(a)->s6_addr[12]) != 0) && \
298
         (*(const u_int32_t *)(const void *)(&(a)->s6_addr[12]) != ntohl(1)))
299
 
300
/*
301
 * Mapped
302
 */
303
#define IN6_IS_ADDR_V4MAPPED(a)               \
304
        ((*(const u_int32_t *)(const void *)(&(a)->s6_addr[0]) == 0) &&   \
305
         (*(const u_int32_t *)(const void *)(&(a)->s6_addr[4]) == 0) &&  \
306
         (*(const u_int32_t *)(const void *)(&(a)->s6_addr[8]) == ntohl(0x0000ffff)))
307
 
308
/*
309
 * KAME Scope Values
310
 */
311
 
312
#ifdef _KERNEL  /* XXX nonstandard */
313
#define IPV6_ADDR_SCOPE_NODELOCAL       0x01
314
#define IPV6_ADDR_SCOPE_INTFACELOCAL    0x01
315
#define IPV6_ADDR_SCOPE_LINKLOCAL       0x02
316
#define IPV6_ADDR_SCOPE_SITELOCAL       0x05
317
#define IPV6_ADDR_SCOPE_ORGLOCAL        0x08    /* just used in this file */
318
#define IPV6_ADDR_SCOPE_GLOBAL          0x0e
319
#else
320
#define __IPV6_ADDR_SCOPE_NODELOCAL     0x01
321
#define __IPV6_ADDR_SCOPE_INTFACELOCAL  0x01
322
#define __IPV6_ADDR_SCOPE_LINKLOCAL     0x02
323
#define __IPV6_ADDR_SCOPE_SITELOCAL     0x05
324
#define __IPV6_ADDR_SCOPE_ORGLOCAL      0x08    /* just used in this file */
325
#define __IPV6_ADDR_SCOPE_GLOBAL        0x0e
326
#endif
327
 
328
/*
329
 * Unicast Scope
330
 * Note that we must check topmost 10 bits only, not 16 bits (see RFC2373).
331
 */
332
#define IN6_IS_ADDR_LINKLOCAL(a)        \
333
        (((a)->s6_addr[0] == 0xfe) && (((a)->s6_addr[1] & 0xc0) == 0x80))
334
#define IN6_IS_ADDR_SITELOCAL(a)        \
335
        (((a)->s6_addr[0] == 0xfe) && (((a)->s6_addr[1] & 0xc0) == 0xc0))
336
 
337
/*
338
 * Multicast
339
 */
340
#define IN6_IS_ADDR_MULTICAST(a)        ((a)->s6_addr[0] == 0xff)
341
 
342
#ifdef _KERNEL  /* XXX nonstandard */
343
#define IPV6_ADDR_MC_SCOPE(a)           ((a)->s6_addr[1] & 0x0f)
344
#else
345
#define __IPV6_ADDR_MC_SCOPE(a)         ((a)->s6_addr[1] & 0x0f)
346
#endif
347
 
348
/*
349
 * Multicast Scope
350
 */
351
#ifdef _KERNEL  /* refers nonstandard items */
352
#define IN6_IS_ADDR_MC_NODELOCAL(a)     \
353
        (IN6_IS_ADDR_MULTICAST(a) &&    \
354
         (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_NODELOCAL))
355
#define IN6_IS_ADDR_MC_INTFACELOCAL(a)  \
356
        (IN6_IS_ADDR_MULTICAST(a) &&    \
357
         (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_INTFACELOCAL))
358
#define IN6_IS_ADDR_MC_LINKLOCAL(a)     \
359
        (IN6_IS_ADDR_MULTICAST(a) &&    \
360
         (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_LINKLOCAL))
361
#define IN6_IS_ADDR_MC_SITELOCAL(a)     \
362
        (IN6_IS_ADDR_MULTICAST(a) &&    \
363
         (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_SITELOCAL))
364
#define IN6_IS_ADDR_MC_ORGLOCAL(a)      \
365
        (IN6_IS_ADDR_MULTICAST(a) &&    \
366
         (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_ORGLOCAL))
367
#define IN6_IS_ADDR_MC_GLOBAL(a)        \
368
        (IN6_IS_ADDR_MULTICAST(a) &&    \
369
         (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_GLOBAL))
370
#else
371
#define IN6_IS_ADDR_MC_NODELOCAL(a)     \
372
        (IN6_IS_ADDR_MULTICAST(a) &&    \
373
         (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_NODELOCAL))
374
#define IN6_IS_ADDR_MC_LINKLOCAL(a)     \
375
        (IN6_IS_ADDR_MULTICAST(a) &&    \
376
         (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_LINKLOCAL))
377
#define IN6_IS_ADDR_MC_SITELOCAL(a)     \
378
        (IN6_IS_ADDR_MULTICAST(a) &&    \
379
         (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_SITELOCAL))
380
#define IN6_IS_ADDR_MC_ORGLOCAL(a)      \
381
        (IN6_IS_ADDR_MULTICAST(a) &&    \
382
         (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_ORGLOCAL))
383
#define IN6_IS_ADDR_MC_GLOBAL(a)        \
384
        (IN6_IS_ADDR_MULTICAST(a) &&    \
385
         (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_GLOBAL))
386
#endif
387
 
388
#ifdef _KERNEL  /* nonstandard */
389
/*
390
 * KAME Scope
391
 */
392
#define IN6_IS_SCOPE_LINKLOCAL(a)       \
393
        ((IN6_IS_ADDR_LINKLOCAL(a)) ||  \
394
         (IN6_IS_ADDR_MC_LINKLOCAL(a)))
395
 
396
#if (defined(__FreeBSD__) && __FreeBSD__ >= 3)
397
#define IFA6_IS_DEPRECATED(a) \
398
        ((a)->ia6_lifetime.ia6t_pltime != ND6_INFINITE_LIFETIME && \
399
         (u_int32_t)((time_second - (a)->ia6_updatetime)) > \
400
         (a)->ia6_lifetime.ia6t_pltime)
401
#define IFA6_IS_INVALID(a) \
402
        ((a)->ia6_lifetime.ia6t_vltime != ND6_INFINITE_LIFETIME && \
403
         (u_int32_t)((time_second - (a)->ia6_updatetime)) > \
404
         (a)->ia6_lifetime.ia6t_vltime)
405
#else
406
#define IFA6_IS_DEPRECATED(a) \
407
        ((a)->ia6_lifetime.ia6t_pltime != ND6_INFINITE_LIFETIME && \
408
         (u_int32_t)((time.tv_sec - (a)->ia6_updatetime)) > \
409
         (a)->ia6_lifetime.ia6t_pltime)
410
#define IFA6_IS_INVALID(a) \
411
        ((a)->ia6_lifetime.ia6t_vltime != ND6_INFINITE_LIFETIME && \
412
         (u_int32_t)((time.tv_sec - (a)->ia6_updatetime)) > \
413
         (a)->ia6_lifetime.ia6t_vltime)
414
#endif
415
#endif /* _KERNEL */
416
 
417
/*
418
 * IP6 route structure
419
 */
420
#if !defined(__NetBSD__) && !defined(__OpenBSD__) && !defined(__FreeBSD__)
421
#ifndef _XOPEN_SOURCE
422
#ifndef NEW_STRUCT_ROUTE
423
struct route_in6 {
424
        struct  rtentry *ro_rt;
425
        struct  sockaddr_in6 ro_dst;
426
};
427
#endif /* !NEW_STRUCT_ROUTE */
428
#endif
429
#endif
430
 
431
/*
432
 * Options for use with [gs]etsockopt at the IPV6 level.
433
 * First word of comment is data type; bool is stored in int.
434
 */
435
/* no hdrincl */
436
#if 0 /* the followings are relic in IPv4 and hence are disabled */
437
#define IPV6_OPTIONS            1  /* buf/ip6_opts; set/get IP6 options */
438
#define IPV6_RECVOPTS           5  /* bool; receive all IP6 opts w/dgram */
439
#define IPV6_RECVRETOPTS        6  /* bool; receive IP6 opts for response */
440
#define IPV6_RECVDSTADDR        7  /* bool; receive IP6 dst addr w/dgram */
441
#define IPV6_RETOPTS            8  /* ip6_opts; set/get IP6 options */
442
#endif
443
#define IPV6_SOCKOPT_RESERVED1  3  /* reserved for future use */
444
#define IPV6_UNICAST_HOPS       4  /* int; IP6 hops */
445
#define IPV6_MULTICAST_IF       9  /* u_int; set/get IP6 multicast i/f */
446
#define IPV6_MULTICAST_HOPS     10 /* int; set/get IP6 multicast hops */
447
#define IPV6_MULTICAST_LOOP     11 /* u_int; set/get IP6 multicast loopback */
448
#define IPV6_JOIN_GROUP         12 /* ip6_mreq; join a group membership */
449
#define IPV6_LEAVE_GROUP        13 /* ip6_mreq; leave a group membership */
450
#define IPV6_PORTRANGE          14 /* int; range to choose for unspec port */
451
#define ICMP6_FILTER            18 /* icmp6_filter; icmp6 filter */
452
/* RFC2292 options */
453
#ifdef _KERNEL
454
#define IPV6_2292PKTINFO        19 /* bool; send/recv if, src/dst addr */
455
#define IPV6_2292HOPLIMIT       20 /* bool; hop limit */
456
#define IPV6_2292NEXTHOP        21 /* bool; next hop addr */
457
#define IPV6_2292HOPOPTS        22 /* bool; hop-by-hop option */
458
#define IPV6_2292DSTOPTS        23 /* bool; destinaion option */
459
#define IPV6_2292RTHDR          24 /* bool; routing header */
460
#define IPV6_2292PKTOPTIONS     25 /* buf/cmsghdr; set/get IPv6 options */
461
#endif
462
 
463
#define IPV6_CHECKSUM           26 /* int; checksum offset for raw socket */
464
#define IPV6_V6ONLY             27 /* bool; make AF_INET6 sockets v6 only */
465
#ifndef _KERNEL
466
#define IPV6_BINDV6ONLY         IPV6_V6ONLY
467
#endif
468
 
469
#if 1 /* IPSEC */
470
#define IPV6_IPSEC_POLICY       28 /* struct; get/set security policy */
471
#endif
472
#define IPV6_FAITH              29 /* bool; accept FAITH'ed connections */
473
 
474
#if 1 /* IPV6FIREWALL */
475
#define IPV6_FW_ADD             30 /* add a firewall rule to chain */
476
#define IPV6_FW_DEL             31 /* delete a firewall rule from chain */
477
#define IPV6_FW_FLUSH           32 /* flush firewall rule chain */
478
#define IPV6_FW_ZERO            33 /* clear single/all firewall counter(s) */
479
#define IPV6_FW_GET             34 /* get entire firewall rule chain */
480
#endif
481
 
482
/* new socket options introduced in RFC2292bis */
483
#define IPV6_RTHDRDSTOPTS       35 /* ip6_dest; send dst option before rthdr */
484
 
485
#define IPV6_RECVPKTINFO        36 /* bool; recv if, dst addr */
486
#define IPV6_RECVHOPLIMIT       37 /* bool; recv hop limit */
487
#define IPV6_RECVRTHDR          38 /* bool; recv routing header */
488
#define IPV6_RECVHOPOPTS        39 /* bool; recv hop-by-hop option */
489
#define IPV6_RECVDSTOPTS        40 /* bool; recv dst option after rthdr */
490
#ifdef _KERNEL
491
#define IPV6_RECVRTHDRDSTOPTS   41 /* bool; recv dst option before rthdr */
492
#endif
493
 
494
#define IPV6_USE_MIN_MTU        42 /* bool; send packets at the minimum MTU */
495
#define IPV6_RECVPATHMTU        43 /* bool; notify an according MTU */
496
 
497
#define IPV6_PATHMTU            44 /* mtuinfo; get the current path MTU (sopt),
498
                                      4 bytes int; MTU notification (cmsg) */
499
#define IPV6_REACHCONF          45 /* no data; ND reachability confirm
500
                                      (cmsg only) */
501
 
502
/* more new socket options introduced in RFC2292bis */
503
#define IPV6_PKTINFO            46 /* in6_pktinfo; send if, src addr */
504
#define IPV6_HOPLIMIT           47 /* int; send hop limit */
505
#define IPV6_NEXTHOP            48 /* sockaddr; next hop addr */
506
#define IPV6_HOPOPTS            49 /* ip6_hbh; send hop-by-hop option */
507
#define IPV6_DSTOPTS            50 /* ip6_dest; send dst option befor rthdr */
508
#define IPV6_RTHDR              51 /* ip6_rthdr; send routing header */
509
#if 0
510
#define IPV6_PKTOPTIONS         52 /* buf/cmsghdr; set/get IPv6 options */
511
                                   /* obsoleted by 2292bis */
512
#endif
513
 
514
#ifdef __OpenBSD__
515
#define IPV6_AUTH_LEVEL         53   /* int; authentication used */
516
#define IPV6_ESP_TRANS_LEVEL    54   /* int; transport encryption */
517
#define IPV6_ESP_NETWORK_LEVEL  55   /* int; full-packet encryption */
518
#define IPSEC6_OUTSA            56   /* set the outbound SA for a socket */
519
#endif
520
 
521
#define IPV6_RECVTCLASS         57 /* bool; recv traffic class values */
522
#ifdef _KERNEL
523
#define IPV6_OTCLASS            58 /* u_int8_t; send traffic class value */
524
#endif
525
#define IPV6_AUTOFLOWLABEL      59 /* bool; attach flowlabel automagically */
526
 
527
#ifdef __OpenBSD__
528
#define IPV6_IPCOMP_LEVEL       60   /* int; compression */
529
#endif
530
 
531
#define IPV6_TCLASS             61 /* int; send traffic class value */
532
#define IPV6_DONTFRAG           62 /* bool; disable IPv6 fragmentation */
533
 
534
/* to define items, should talk with KAME guys first, for *BSD compatibility */
535
 
536
#define IPV6_RTHDR_LOOSE     0 /* this hop need not be a neighbor. XXX old spec */
537
#define IPV6_RTHDR_STRICT    1 /* this hop must be a neighbor. XXX old spec */
538
#define IPV6_RTHDR_TYPE_0    0 /* IPv6 routing header type 0 */
539
 
540
/*
541
 * Defaults and limits for options
542
 */
543
#define IPV6_DEFAULT_MULTICAST_HOPS 1   /* normally limit m'casts to 1 hop */
544
#define IPV6_DEFAULT_MULTICAST_LOOP 1   /* normally hear sends if a member */
545
 
546
/*
547
 * Argument structure for IPV6_JOIN_GROUP and IPV6_LEAVE_GROUP.
548
 */
549
struct ipv6_mreq {
550
        struct in6_addr ipv6mr_multiaddr;
551
        unsigned int    ipv6mr_interface;
552
};
553
 
554
/*
555
 * IPV6_PKTINFO: Packet information(RFC2292 sec 5)
556
 */
557
struct in6_pktinfo {
558
        struct in6_addr ipi6_addr;      /* src/dst IPv6 address */
559
        unsigned int    ipi6_ifindex;   /* send/recv interface index */
560
};
561
 
562
/*
563
 * Control structure for IPV6_RECVPATHMTU socket option.
564
 * Note that this structure is not fully conformant to rfc2292bis-02.
565
 * However, since how to tell the destination of the path (or the path itself)
566
 * to the application is not determined, we use our original structure.
567
 */
568
struct ip6_mtuinfo {
569
        struct sockaddr_in6 ip6m_addr;  /* or sockaddr_storage? */
570
        u_int32_t ip6m_mtu;
571
};
572
 
573
/*
574
 * Argument for IPV6_PORTRANGE:
575
 * - which range to search when port is unspecified at bind() or connect()
576
 */
577
#define IPV6_PORTRANGE_DEFAULT  0        /* default range */
578
#define IPV6_PORTRANGE_HIGH     1       /* "high" - request firewall bypass */
579
#define IPV6_PORTRANGE_LOW      2       /* "low" - vouchsafe security */
580
 
581
#ifndef _XOPEN_SOURCE
582
/*
583
 * Definitions for inet6 sysctl operations.
584
 *
585
 * Third level is protocol number.
586
 * Fourth level is desired variable within that protocol.
587
 */
588
#define IPV6PROTO_MAXID (IPPROTO_PIM + 1)       /* don't list to IPV6PROTO_MAX */
589
 
590
#define CTL_IPV6PROTO_NAMES { \
591
        { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
592
        { 0, 0 }, \
593
        { "tcp6", CTLTYPE_NODE }, \
594
        { 0, 0 }, \
595
        { 0, 0 }, \
596
        { 0, 0 }, \
597
        { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
598
        { 0, 0 }, \
599
        { 0, 0 }, \
600
        { "udp6", CTLTYPE_NODE }, \
601
        { 0, 0 }, \
602
        { 0, 0 }, \
603
        { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
604
        { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
605
        { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
606
        { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
607
        { 0, 0 }, \
608
        { "ip6", CTLTYPE_NODE }, \
609
        { 0, 0 }, \
610
        { 0, 0 }, \
611
        { 0, 0 }, \
612
        { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
613
        { 0, 0 }, \
614
        { "ipsec6", CTLTYPE_NODE }, \
615
        { 0, 0 }, \
616
        { 0, 0 }, \
617
        { 0, 0 }, \
618
        { 0, 0 }, \
619
        { 0, 0 }, \
620
        { 0, 0 }, \
621
        { "icmp6", CTLTYPE_NODE }, \
622
        { 0, 0 }, \
623
        { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
624
        { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
625
        { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
626
        { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
627
        { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
628
        { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
629
        { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
630
        { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
631
        { 0, 0 }, \
632
        { 0, 0 }, \
633
        { 0, 0 }, \
634
        { "pim6", CTLTYPE_NODE }, \
635
}
636
 
637
/*
638
 * Names for IP sysctl objects
639
 */
640
#define IPV6CTL_FORWARDING      1       /* act as router */
641
#define IPV6CTL_SENDREDIRECTS   2       /* may send redirects when forwarding*/
642
#define IPV6CTL_DEFHLIM         3       /* default Hop-Limit */
643
#ifdef notyet
644
#define IPV6CTL_DEFMTU          4       /* default MTU */
645
#endif
646
#define IPV6CTL_FORWSRCRT       5       /* forward source-routed dgrams */
647
#define IPV6CTL_STATS           6       /* stats */
648
#define IPV6CTL_MRTSTATS        7       /* multicast forwarding stats */
649
#define IPV6CTL_MRTPROTO        8       /* multicast routing protocol */
650
#define IPV6CTL_MAXFRAGPACKETS  9       /* max packets reassembly queue */
651
#define IPV6CTL_SOURCECHECK     10      /* verify source route and intf */
652
#define IPV6CTL_SOURCECHECK_LOGINT 11   /* minimume logging interval */
653
#define IPV6CTL_ACCEPT_RTADV    12
654
#define IPV6CTL_KEEPFAITH       13
655
#define IPV6CTL_LOG_INTERVAL    14
656
#define IPV6CTL_HDRNESTLIMIT    15
657
#define IPV6CTL_DAD_COUNT       16
658
#define IPV6CTL_AUTO_FLOWLABEL  17
659
#define IPV6CTL_DEFMCASTHLIM    18
660
#define IPV6CTL_GIF_HLIM        19      /* default HLIM for gif encap packet */
661
#define IPV6CTL_KAME_VERSION    20
662
#define IPV6CTL_USE_DEPRECATED  21      /* use deprecated addr (RFC2462 5.5.4) */
663
#define IPV6CTL_RR_PRUNE        22      /* walk timer for router renumbering */
664
#if 0   /* obsolete */
665
#define IPV6CTL_MAPPED_ADDR     23
666
#endif
667
#define IPV6CTL_V6ONLY          24
668
#ifdef __FreeBSD__
669
#define IPV6CTL_RTEXPIRE        25      /* cloned route expiration time */
670
#define IPV6CTL_RTMINEXPIRE     26      /* min value for expiration time */
671
#define IPV6CTL_RTMAXCACHE      27      /* trigger level for dynamic expire */
672
#endif
673
#ifdef __NetBSD__
674
#define IPV6CTL_ANONPORTMIN     28      /* minimum ephemeral port */
675
#define IPV6CTL_ANONPORTMAX     29      /* maximum ephemeral port */
676
#define IPV6CTL_LOWPORTMIN      30      /* minimum reserved port */
677
#define IPV6CTL_LOWPORTMAX      31      /* maximum reserved port */
678
#endif
679
#define IPV6CTL_USETEMPADDR     32      /* use temporary addresses for
680
                                           privacy extension */
681
#define IPV6CTL_TEMPPLTIME      33      /* preferred lifetime for tmpaddrs */
682
#define IPV6CTL_TEMPVLTIME      34      /* valid lifetime for tmpaddrs */
683
#define IPV6CTL_AUTO_LINKLOCAL  35      /* automatic link-local addr assign */
684
#define IPV6CTL_RIP6STATS       36      /* raw_ip6 stats */
685
#define IPV6CTL_PREFER_TEMPADDR 37      /* prefer temporary addr as src */
686
#define IPV6CTL_ADDRCTLPOLICY   38      /* get/set address selection policy */
687
#define IPV6CTL_USE_DEFAULTZONE 39      /* use default scope zone */
688
 
689
/* New entries should be added here from current IPV6CTL_MAXID value. */
690
/* to define items, should talk with KAME guys first, for *BSD compatibility */
691
#define IPV6CTL_MAXID           40
692
 
693
#ifdef IPV6CTL_RTEXPIRE
694
#define __IPV6CTL_NAMES_RTEXPIRE        "rtexpire"
695
#define __IPV6CTL_TYPE_RTEXPIRE         CTLTYPE_INT
696
#define __IPV6CTL_VARS_RTEXPIRE         0        /* &rtq_reallyold */
697
#else
698
#define __IPV6CTL_NAMES_RTEXPIRE        0
699
#define __IPV6CTL_TYPE_RTEXPIRE         0
700
#define __IPV6CTL_VARS_RTEXPIRE         0
701
#endif
702
 
703
#ifdef IPV6CTL_RTMINEXPIRE
704
#define __IPV6CTL_NAMES_RTMINEXPIRE     "minexpire"
705
#define __IPV6CTL_TYPE_RTMINEXPIRE      CTLTYPE_INT
706
#define __IPV6CTL_VARS_RTMINEXPIRE      0        /* &rtq_minreallyold */
707
#else
708
#define __IPV6CTL_NAMES_RTMINEXPIRE     0
709
#define __IPV6CTL_TYPE_RTMINEXPIRE      0
710
#define __IPV6CTL_VARS_RTMINEXPIRE      0
711
#endif
712
 
713
#ifdef IPV6CTL_RTMAXCACHE
714
#define __IPV6CTL_NAMES_RTMAXCACHE      "maxcache"
715
#define __IPV6CTL_TYPE_RTMAXCACHE       CTLTYPE_INT
716
#define __IPV6CTL_VARS_RTMAXCACHE       0        /* &rtq_toomany */
717
#else
718
#define __IPV6CTL_NAMES_RTMAXCACHE      0
719
#define __IPV6CTL_TYPE_RTMAXCACHE       0
720
#define __IPV6CTL_VARS_RTMAXCACHE       0
721
#endif
722
 
723
#ifdef IPV6CTL_ANONPORTMIN
724
#define __IPV6CTL_NAMES_ANONPORTMIN     "anonportmin"
725
#define __IPV6CTL_TYPE_ANONPORTMIN      CTLTYPE_INT
726
#define __IPV6CTL_VARS_ANONPORTMIN      0
727
#else
728
#define __IPV6CTL_NAMES_ANONPORTMIN     0
729
#define __IPV6CTL_TYPE_ANONPORTMIN      0
730
#define __IPV6CTL_VARS_ANONPORTMIN      0
731
#endif
732
 
733
#ifdef IPV6CTL_ANONPORTMAX
734
#define __IPV6CTL_NAMES_ANONPORTMAX     "anonportmax"
735
#define __IPV6CTL_TYPE_ANONPORTMAX      CTLTYPE_INT
736
#define __IPV6CTL_VARS_ANONPORTMAX      0
737
#else
738
#define __IPV6CTL_NAMES_ANONPORTMAX     0
739
#define __IPV6CTL_TYPE_ANONPORTMAX      0
740
#define __IPV6CTL_VARS_ANONPORTMAX      0
741
#endif
742
 
743
#ifdef IPV6CTL_LOWPORTMIN
744
#define __IPV6CTL_NAMES_LOWPORTMIN      "lowportmin"
745
#define __IPV6CTL_TYPE_LOWPORTMIN       CTLTYPE_INT
746
#define __IPV6CTL_VARS_LOWPORTMIN       0
747
#else
748
#define __IPV6CTL_NAMES_LOWPORTMIN      0
749
#define __IPV6CTL_TYPE_LOWPORTMIN       0
750
#define __IPV6CTL_VARS_LOWPORTMIN       0
751
#endif
752
 
753
#ifdef IPV6CTL_LOWPORTMAX
754
#define __IPV6CTL_NAMES_LOWPORTMAX      "lowportmax"
755
#define __IPV6CTL_TYPE_LOWPORTMAX       CTLTYPE_INT
756
#define __IPV6CTL_VARS_LOWPORTMAX       0
757
#else
758
#define __IPV6CTL_NAMES_LOWPORTMAX      0
759
#define __IPV6CTL_TYPE_LOWPORTMAX       0
760
#define __IPV6CTL_VARS_LOWPORTMAX       0
761
#endif
762
 
763
 
764
#define IPV6CTL_NAMES { \
765
        { 0, 0 }, \
766
        { "forwarding", CTLTYPE_INT }, \
767
        { "redirect", CTLTYPE_INT }, \
768
        { "hlim", CTLTYPE_INT }, \
769
        { "mtu", CTLTYPE_INT }, \
770
        { "forwsrcrt", CTLTYPE_INT }, \
771
        { 0, 0 }, \
772
        { 0, 0 }, \
773
        { "mrtproto", CTLTYPE_INT }, \
774
        { "maxfragpackets", CTLTYPE_INT }, \
775
        { "sourcecheck", CTLTYPE_INT }, \
776
        { "sourcecheck_logint", CTLTYPE_INT }, \
777
        { "accept_rtadv", CTLTYPE_INT }, \
778
        { "keepfaith", CTLTYPE_INT }, \
779
        { "log_interval", CTLTYPE_INT }, \
780
        { "hdrnestlimit", CTLTYPE_INT }, \
781
        { "dad_count", CTLTYPE_INT }, \
782
        { "auto_flowlabel", CTLTYPE_INT }, \
783
        { "defmcasthlim", CTLTYPE_INT }, \
784
        { "gifhlim", CTLTYPE_INT }, \
785
        { "kame_version", CTLTYPE_STRING }, \
786
        { "use_deprecated", CTLTYPE_INT }, \
787
        { "rr_prune", CTLTYPE_INT }, \
788
        { 0, 0 }, \
789
        { "v6only", CTLTYPE_INT }, \
790
        { __IPV6CTL_NAMES_RTEXPIRE, __IPV6CTL_TYPE_RTEXPIRE }, \
791
        { __IPV6CTL_NAMES_RTMINEXPIRE, __IPV6CTL_TYPE_RTMINEXPIRE }, \
792
        { __IPV6CTL_NAMES_RTMAXCACHE, __IPV6CTL_TYPE_RTMAXCACHE }, \
793
        { __IPV6CTL_NAMES_ANONPORTMIN, __IPV6CTL_TYPE_ANONPORTMIN }, \
794
        { __IPV6CTL_NAMES_ANONPORTMAX, __IPV6CTL_TYPE_ANONPORTMAX }, \
795
        { __IPV6CTL_NAMES_LOWPORTMIN, __IPV6CTL_TYPE_LOWPORTMIN }, \
796
        { __IPV6CTL_NAMES_LOWPORTMAX, __IPV6CTL_TYPE_LOWPORTMAX }, \
797
        { "use_tempaddr", CTLTYPE_INT }, \
798
        { "temppltime", CTLTYPE_INT }, \
799
        { "tempvltime", CTLTYPE_INT }, \
800
        { "auto_linklocal", CTLTYPE_INT }, \
801
        { 0, 0 }, \
802
        { "prefer_tempaddr", CTLTYPE_INT }, \
803
        { 0, 0 }, \
804
        { "use_defaultzone", CTLTYPE_INT }, \
805
}
806
 
807
#ifdef __bsdi__
808
#define IPV6CTL_VARS { \
809
        0, \
810
        &ip6_forwarding, \
811
        &ip6_sendredirects, \
812
        &ip6_defhlim, \
813
        0, \
814
        &ip6_forward_srcrt, \
815
        0, \
816
        0, \
817
        0, \
818
        &ip6_maxfragpackets, \
819
        &ip6_sourcecheck, \
820
        &ip6_sourcecheck_interval, \
821
        &ip6_accept_rtadv, \
822
        &ip6_keepfaith, \
823
        &ip6_log_interval, \
824
        &ip6_hdrnestlimit, \
825
        &ip6_dad_count, \
826
        &ip6_auto_flowlabel, \
827
        &ip6_defmcasthlim, \
828
        &ip6_gif_hlim, \
829
        0, \
830
        &ip6_use_deprecated, \
831
        &ip6_rr_prune, \
832
        0, \
833
        &ip6_v6only, \
834
        __IPV6CTL_VARS_RTEXPIRE, \
835
        __IPV6CTL_VARS_RTMINEXPIRE, \
836
        __IPV6CTL_VARS_RTMAXCACHE, \
837
        __IPV6CTL_VARS_ANONPORTMIN, \
838
        __IPV6CTL_VARS_ANONPORTMAX, \
839
        __IPV6CTL_VARS_LOWPORTMIN, \
840
        __IPV6CTL_VARS_LOWPORTMAX, \
841
        &ip6_use_tempaddr, \
842
        &ip6_temp_preferred_lifetime, \
843
        &ip6_temp_valid_lifetime, \
844
        &ip6_auto_linklocal, \
845
        0, \
846
        &ip6_prefer_tempaddr, \
847
        0, \
848
        &ip6_use_defzone,\
849
}
850
#endif
851
#endif /* !_XOPEN_SOURCE */
852
 
853
/*
854
 * Redefinition of mbuf flags
855
 */
856
#define M_AUTHIPHDR     M_PROTO2
857
#define M_DECRYPTED     M_PROTO3
858
#define M_LOOP          M_PROTO4
859
#define M_AUTHIPDGM     M_PROTO5
860
 
861
#ifdef _KERNEL
862
struct cmsghdr;
863
struct mbuf;
864
struct ifnet;
865
 
866
int     in6_cksum __P((struct mbuf *, u_int8_t, u_int32_t, u_int32_t));
867
int     in6_localaddr __P((struct in6_addr *));
868
int     in6_addrscope __P((struct in6_addr *));
869
struct  in6_ifaddr *in6_ifawithifp __P((struct ifnet *, struct in6_addr *));
870
extern void in6_if_up __P((struct ifnet *));
871
struct sockaddr;
872
 
873
void    in6_sin6_2_sin __P((struct sockaddr_in *sin,
874
                            struct sockaddr_in6 *sin6));
875
void    in6_sin_2_v4mapsin6 __P((struct sockaddr_in *sin,
876
                                 struct sockaddr_in6 *sin6));
877
void    in6_sin6_2_sin_in_sock __P((struct sockaddr *nam));
878
void    in6_sin_2_v4mapsin6_in_sock __P((struct sockaddr **nam));
879
extern void addrsel_policy_init __P((void));
880
 
881
#define satosin6(sa)    ((struct sockaddr_in6 *)(sa))
882
#define sin6tosa(sin6)  ((struct sockaddr *)(sin6))
883
#define ifatoia6(ifa)   ((struct in6_ifaddr *)(ifa))
884
#endif /* _KERNEL */
885
 
886
__BEGIN_DECLS
887
struct cmsghdr;
888
 
889
extern int inet6_option_space __P((int));
890
extern int inet6_option_init __P((void *, struct cmsghdr **, int));
891
extern int inet6_option_append __P((struct cmsghdr *, const u_int8_t *,
892
        int, int));
893
extern u_int8_t *inet6_option_alloc __P((struct cmsghdr *, int, int, int));
894
extern int inet6_option_next __P((const struct cmsghdr *, u_int8_t **));
895
extern int inet6_option_find __P((const struct cmsghdr *, u_int8_t **, int));
896
 
897
extern size_t inet6_rthdr_space __P((int, int));
898
extern struct cmsghdr *inet6_rthdr_init __P((void *, int));
899
extern int inet6_rthdr_add __P((struct cmsghdr *, const struct in6_addr *,
900
                unsigned int));
901
extern int inet6_rthdr_lasthop __P((struct cmsghdr *, unsigned int));
902
#if 0 /* not implemented yet */
903
extern int inet6_rthdr_reverse __P((const struct cmsghdr *, struct cmsghdr *));
904
#endif
905
extern int inet6_rthdr_segments __P((const struct cmsghdr *));
906
extern struct in6_addr *inet6_rthdr_getaddr __P((struct cmsghdr *, int));
907
extern int inet6_rthdr_getflags __P((const struct cmsghdr *, int));
908
 
909
extern int inet6_opt_init __P((void *, size_t));
910
extern int inet6_opt_append __P((void *, size_t, int, u_int8_t,
911
                                 size_t, u_int8_t, void **));
912
extern int inet6_opt_finish __P((void *, size_t, int));
913
extern int inet6_opt_set_val __P((void *, size_t, void *, int));
914
 
915
extern int inet6_opt_next __P((void *, size_t, int, u_int8_t *,
916
                               size_t *, void **));
917
extern int inet6_opt_find __P((void *, size_t, int, u_int8_t,
918
                          size_t *, void **));
919
extern int inet6_opt_get_val __P((void *, size_t, void *, int));
920
extern size_t inet6_rth_space __P((int, int));
921
extern void *inet6_rth_init __P((void *, int, int, int));
922
extern int inet6_rth_add __P((void *, const struct in6_addr *));
923
extern int inet6_rth_reverse __P((const void *, void *));
924
extern int inet6_rth_segments __P((const void *));
925
extern struct in6_addr *inet6_rth_getaddr __P((const void *, int));
926
 
927
/* the followings two are experimental.  should not merge them to *BSD. */
928
struct sockaddr;                /* XXX */
929
 
930
extern int addr2scopetype __P((struct sockaddr *));
931
extern int inet_zoneid __P((int, int, char *, u_int32_t *));
932
__END_DECLS
933
 
934
#endif /* !_NETINET6_IN6_H_ */

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