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

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