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1 786 skrzyp 
//==========================================================================
2 
//
3 
//      include/netinet6_in6.h
4 
//
5 
//
6 
//
7 
//==========================================================================
8 
// ####BSDALTCOPYRIGHTBEGIN####
9 
// -------------------------------------------
10 
// Portions of this software may have been derived from OpenBSD
11 
// or other sources, and if so are covered by the appropriate copyright
12 
// and license included herein.
13 
// -------------------------------------------
14 
// ####BSDALTCOPYRIGHTEND####
15 
//==========================================================================
16 
//#####DESCRIPTIONBEGIN####
17 
//
18 
// Author(s):    gthomas
19 
// Contributors: gthomas
20 
// Date:         2000-01-10
21 
// Purpose:
22 
// Description:
23 
//
24 
//
25 
//####DESCRIPTIONEND####
26 
//
27 
//==========================================================================
28 
 
29 
 
30 
/* $OpenBSD: in6.h,v 1.9 1999/12/10 08:53:17 angelos Exp $ */
31 
/*
32 
 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
33 
 * All rights reserved.
34 
 *
35 
 * Redistribution and use in source and binary forms, with or without
36 
 * modification, are permitted provided that the following conditions
37 
 * are met:
38 
 * 1. Redistributions of source code must retain the above copyright
39 
 *    notice, this list of conditions and the following disclaimer.
40 
 * 2. Redistributions in binary form must reproduce the above copyright
41 
 *    notice, this list of conditions and the following disclaimer in the
42 
 *    documentation and/or other materials provided with the distribution.
43 
 * 3. Neither the name of the project nor the names of its contributors
44 
 *    may be used to endorse or promote products derived from this software
45 
 *    without specific prior written permission.
46 
 *
47 
 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
48 
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
49 
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
50 
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
51 
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
52 
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
53 
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
54 
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
55 
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
56 
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
57 
 * SUCH DAMAGE.
58 
 */
59 
 
60 
/*
61 
 * Copyright (c) 1982, 1986, 1990, 1993
62 
 *      The Regents of the University of California.  All rights reserved.
63 
 *
64 
 * Redistribution and use in source and binary forms, with or without
65 
 * modification, are permitted provided that the following conditions
66 
 * are met:
67 
 * 1. Redistributions of source code must retain the above copyright
68 
 *    notice, this list of conditions and the following disclaimer.
69 
 * 2. Redistributions in binary form must reproduce the above copyright
70 
 *    notice, this list of conditions and the following disclaimer in the
71 
 *    documentation and/or other materials provided with the distribution.
72 
 * 3. All advertising materials mentioning features or use of this software
73 
 *    must display the following acknowledgement:
74 
 *      This product includes software developed by the University of
75 
 *      California, Berkeley and its contributors.
76 
 * 4. Neither the name of the University nor the names of its contributors
77 
 *    may be used to endorse or promote products derived from this software
78 
 *    without specific prior written permission.
79 
 *
80 
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
81 
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
82 
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
83 
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
84 
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
85 
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
86 
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
87 
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
88 
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
89 
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
90 
 * SUCH DAMAGE.
91 
 *
92 
 *      @(#)in.h        8.3 (Berkeley) 1/3/94
93 
 */
94 
 
95 
#ifndef _NETINET6_IN6_H_
96 
#define _NETINET6_IN6_H_
97 
 
98 
#if !defined(_XOPEN_SOURCE)
99 
#include <sys/queue.h>
100 
#endif
101 
 
102 
/*
103 
 * Identification of the network protocol stack
104 
 */
105 
#define __KAME__
106 
#define __KAME_VERSION          "19991208/OpenBSD-current"
107 
 
108 
/*
109 
 * Local port number conventions:
110 
 *
111 
 * Ports < IPPORT_RESERVED are reserved for privileged processes (e.g. root),
112 
 * unless a kernel is compiled with IPNOPRIVPORTS defined.
113 
 *
114 
 * When a user does a bind(2) or connect(2) with a port number of zero,
115 
 * a non-conflicting local port address is chosen.
116 
 *
117 
 * The default range is IPPORT_ANONMIX to IPPORT_ANONMAX, although
118 
 * that is settable by sysctl(3); net.inet.ip.anonportmin and
119 
 * net.inet.ip.anonportmax respectively.
120 
 *
121 
 * A user may set the IPPROTO_IP option IP_PORTRANGE to change this
122 
 * default assignment range.
123 
 *
124 
 * The value IP_PORTRANGE_DEFAULT causes the default behavior.
125 
 *
126 
 * The value IP_PORTRANGE_HIGH is the same as IP_PORTRANGE_DEFAULT,
127 
 * and exists only for FreeBSD compatibility purposes.
128 
 *
129 
 * The value IP_PORTRANGE_LOW changes the range to the "low" are
130 
 * that is (by convention) restricted to privileged processes.
131 
 * This convention is based on "vouchsafe" principles only.
132 
 * It is only secure if you trust the remote host to restrict these ports.
133 
 * The range is IPPORT_RESERVEDMIN to IPPORT_RESERVEDMAX.
134 
 */
135 
 
136 
#define IPV6PORT_RESERVED       1024
137 
#define IPV6PORT_ANONMIN        49152
138 
#define IPV6PORT_ANONMAX        65535
139 
#define IPV6PORT_RESERVEDMIN    600
140 
#define IPV6PORT_RESERVEDMAX    (IPV6PORT_RESERVED-1)
141 
 
142 
/*
143 
 * IPv6 address
144 
 */
145 
struct in6_addr {
146 
        union {
147 
                u_int8_t   __u6_addr8[16];
148 
                u_int16_t  __u6_addr16[8];
149 
                u_int32_t  __u6_addr32[4];
150 
        } __u6_addr;                    /* 128-bit IP6 address */
151 
};
152 
 
153 
#define s6_addr   __u6_addr.__u6_addr8
154 
#ifdef _KERNEL  /*XXX nonstandard*/
155 
#define s6_addr8  __u6_addr.__u6_addr8
156 
#define s6_addr16 __u6_addr.__u6_addr16
157 
#define s6_addr32 __u6_addr.__u6_addr32
158 
#endif
159 
 
160 
#define INET6_ADDRSTRLEN        46
161 
 
162 
/*
163 
 * Socket address for IPv6
164 
 */
165 
#if !defined(_XOPEN_SOURCE)
166 
#define SIN6_LEN
167 
#endif
168 
struct sockaddr_in6 {
169 
        u_char          sin6_len;       /* length of this struct(sa_family_t)*/
170 
        u_char          sin6_family;    /* AF_INET6 (sa_family_t) */
171 
        u_int16_t       sin6_port;      /* Transport layer port # (in_port_t)*/
172 
        u_int32_t       sin6_flowinfo;  /* IP6 flow information */
173 
        struct in6_addr sin6_addr;      /* IP6 address */
174 
        u_int32_t       sin6_scope_id;  /* intface scope id */
175 
};
176 
 
177 
/*
178 
 * Local definition for masks
179 
 */
180 
#ifdef _KERNEL  /*XXX nonstandard*/
181 
#define IN6MASK0        {{{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }}}
182 
#define IN6MASK32       {{{ 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, \
183 
                            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}}
184 
#define IN6MASK64       {{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \
185 
                            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}}
186 
#define IN6MASK96       {{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \
187 
                            0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00 }}}
188 
#define IN6MASK128      {{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \
189 
                            0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }}}
190 
#endif
191 
 
192 
#ifdef _KERNEL
193 
extern const struct in6_addr in6mask0;
194 
extern const struct in6_addr in6mask32;
195 
extern const struct in6_addr in6mask64;
196 
extern const struct in6_addr in6mask96;
197 
extern const struct in6_addr in6mask128;
198 
#endif /* _KERNEL */
199 
 
200 
/*
201 
 * Macros started with IPV6_ADDR is KAME local
202 
 */
203 
#ifdef _KERNEL  /*XXX nonstandard*/
204 
#if BYTE_ORDER == BIG_ENDIAN
205 
#define IPV6_ADDR_INT32_ONE     1
206 
#define IPV6_ADDR_INT32_TWO     2
207 
#define IPV6_ADDR_INT32_MNL     0xff010000
208 
#define IPV6_ADDR_INT32_MLL     0xff020000
209 
#define IPV6_ADDR_INT32_SMP     0x0000ffff
210 
#define IPV6_ADDR_INT16_ULL     0xfe80
211 
#define IPV6_ADDR_INT16_USL     0xfec0
212 
#define IPV6_ADDR_INT16_MLL     0xff02
213 
#elif BYTE_ORDER == LITTLE_ENDIAN
214 
#define IPV6_ADDR_INT32_ONE     0x01000000
215 
#define IPV6_ADDR_INT32_TWO     0x02000000
216 
#define IPV6_ADDR_INT32_MNL     0x000001ff
217 
#define IPV6_ADDR_INT32_MLL     0x000002ff
218 
#define IPV6_ADDR_INT32_SMP     0xffff0000
219 
#define IPV6_ADDR_INT16_ULL     0x80fe
220 
#define IPV6_ADDR_INT16_USL     0xc0fe
221 
#define IPV6_ADDR_INT16_MLL     0x02ff
222 
#endif
223 
#endif
224 
 
225 
/*
226 
 * Definition of some useful macros to handle IP6 addresses
227 
 */
228 
#define IN6ADDR_ANY_INIT \
229 
        {{{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
230 
            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}}
231 
#define IN6ADDR_LOOPBACK_INIT \
232 
        {{{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
233 
            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}}
234 
#define IN6ADDR_NODELOCAL_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), (b), sizeof(struct in6_addr)) == 0)
259 
#else
260 
#define IN6_ARE_ADDR_EQUAL(a, b)                        \
261 
        (memcmp((a), (b), sizeof(struct in6_addr)) == 0)
262 
#endif
263 
 
264 
/*
265 
 * Unspecified
266 
 */
267 
#define IN6_IS_ADDR_UNSPECIFIED(a)      \
268 
        ((*(u_int32_t *)(&(a)->s6_addr[0]) == 0) &&       \
269 
         (*(u_int32_t *)(&(a)->s6_addr[4]) == 0) &&      \
270 
         (*(u_int32_t *)(&(a)->s6_addr[8]) == 0) &&      \
271 
         (*(u_int32_t *)(&(a)->s6_addr[12]) == 0))
272 
 
273 
/*
274 
 * Loopback
275 
 */
276 
#define IN6_IS_ADDR_LOOPBACK(a)         \
277 
        ((*(u_int32_t *)(&(a)->s6_addr[0]) == 0) &&       \
278 
         (*(u_int32_t *)(&(a)->s6_addr[4]) == 0) &&      \
279 
         (*(u_int32_t *)(&(a)->s6_addr[8]) == 0) &&      \
280 
         (*(u_int32_t *)(&(a)->s6_addr[12]) == ntohl(1)))
281 
 
282 
/*
283 
 * IPv4 compatible
284 
 */
285 
#define IN6_IS_ADDR_V4COMPAT(a)         \
286 
        ((*(u_int32_t *)(&(a)->s6_addr[0]) == 0) &&       \
287 
         (*(u_int32_t *)(&(a)->s6_addr[4]) == 0) &&      \
288 
         (*(u_int32_t *)(&(a)->s6_addr[8]) == 0) &&      \
289 
         (*(u_int32_t *)(&(a)->s6_addr[12]) != 0) &&     \
290 
         (*(u_int32_t *)(&(a)->s6_addr[12]) != ntohl(1)))
291 
 
292 
/*
293 
 * Mapped
294 
 */
295 
#define IN6_IS_ADDR_V4MAPPED(a)               \
296 
        ((*(u_int32_t *)(&(a)->s6_addr[0]) == 0) &&       \
297 
         (*(u_int32_t *)(&(a)->s6_addr[4]) == 0) &&      \
298 
         (*(u_int32_t *)(&(a)->s6_addr[8]) == ntohl(0x0000ffff)))
299 
 
300 
/*
301 
 * KAME Scope Values
302 
 */
303 
 
304 
#ifdef _KERNEL  /*XXX nonstandard*/
305 
#define IPV6_ADDR_SCOPE_NODELOCAL       0x01
306 
#define IPV6_ADDR_SCOPE_LINKLOCAL       0x02
307 
#define IPV6_ADDR_SCOPE_SITELOCAL       0x05
308 
#define IPV6_ADDR_SCOPE_ORGLOCAL        0x08    /* just used in this file */
309 
#define IPV6_ADDR_SCOPE_GLOBAL          0x0e
310 
#else
311 
#define __IPV6_ADDR_SCOPE_NODELOCAL     0x01
312 
#define __IPV6_ADDR_SCOPE_LINKLOCAL     0x02
313 
#define __IPV6_ADDR_SCOPE_SITELOCAL     0x05
314 
#define __IPV6_ADDR_SCOPE_ORGLOCAL      0x08    /* just used in this file */
315 
#define __IPV6_ADDR_SCOPE_GLOBAL        0x0e
316 
#endif
317 
 
318 
/*
319 
 * Unicast Scope
320 
 * Note that we must check topmost 10 bits only, not 16 bits (see RFC2373).
321 
 */
322 
#define IN6_IS_ADDR_LINKLOCAL(a)        \
323 
        (((a)->s6_addr[0] == 0xfe) && (((a)->s6_addr[1] & 0xc0) == 0x80))
324 
#define IN6_IS_ADDR_SITELOCAL(a)        \
325 
        (((a)->s6_addr[0] == 0xfe) && (((a)->s6_addr[1] & 0xc0) == 0xc0))
326 
 
327 
/*
328 
 * Multicast
329 
 */
330 
#define IN6_IS_ADDR_MULTICAST(a)        ((a)->s6_addr[0] == 0xff)
331 
 
332 
#ifdef _KERNEL  /*XXX nonstandard*/
333 
#define IPV6_ADDR_MC_SCOPE(a)           ((a)->s6_addr[1] & 0x0f)
334 
#else
335 
#define __IPV6_ADDR_MC_SCOPE(a)         ((a)->s6_addr[1] & 0x0f)
336 
#endif
337 
 
338 
/*
339 
 * Multicast Scope
340 
 */
341 
#ifdef _KERNEL  /*refers nonstandard items */
342 
#define IN6_IS_ADDR_MC_NODELOCAL(a)     \
343 
        (IN6_IS_ADDR_MULTICAST(a) &&    \
344 
         (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_NODELOCAL))
345 
#define IN6_IS_ADDR_MC_LINKLOCAL(a)     \
346 
        (IN6_IS_ADDR_MULTICAST(a) &&    \
347 
         (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_LINKLOCAL))
348 
#define IN6_IS_ADDR_MC_SITELOCAL(a)     \
349 
        (IN6_IS_ADDR_MULTICAST(a) &&    \
350 
         (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_SITELOCAL))
351 
#define IN6_IS_ADDR_MC_ORGLOCAL(a)      \
352 
        (IN6_IS_ADDR_MULTICAST(a) &&    \
353 
         (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_ORGLOCAL))
354 
#define IN6_IS_ADDR_MC_GLOBAL(a)        \
355 
        (IN6_IS_ADDR_MULTICAST(a) &&    \
356 
         (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_GLOBAL))
357 
#else
358 
#define IN6_IS_ADDR_MC_NODELOCAL(a)     \
359 
        (IN6_IS_ADDR_MULTICAST(a) &&    \
360 
         (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_NODELOCAL))
361 
#define IN6_IS_ADDR_MC_LINKLOCAL(a)     \
362 
        (IN6_IS_ADDR_MULTICAST(a) &&    \
363 
         (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_LINKLOCAL))
364 
#define IN6_IS_ADDR_MC_SITELOCAL(a)     \
365 
        (IN6_IS_ADDR_MULTICAST(a) &&    \
366 
         (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_SITELOCAL))
367 
#define IN6_IS_ADDR_MC_ORGLOCAL(a)      \
368 
        (IN6_IS_ADDR_MULTICAST(a) &&    \
369 
         (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_ORGLOCAL))
370 
#define IN6_IS_ADDR_MC_GLOBAL(a)        \
371 
        (IN6_IS_ADDR_MULTICAST(a) &&    \
372 
         (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_GLOBAL))
373 
#endif
374 
 
375 
/*
376 
 * Wildcard Socket
377 
 */
378 
#if 0   /*pre-RFC2553*/
379 
#define IN6_IS_ADDR_ANY(a)      IN6_IS_ADDR_UNSPECIFIED(a)
380 
#endif
381 
 
382 
/*
383 
 * KAME Scope
384 
 */
385 
#ifdef _KERNEL  /*nonstandard*/
386 
#define IN6_IS_SCOPE_LINKLOCAL(a)       \
387 
        ((IN6_IS_ADDR_LINKLOCAL(a)) ||  \
388 
         (IN6_IS_ADDR_MC_LINKLOCAL(a)))
389 
#endif
390 
 
391 
/*
392 
 * IP6 route structure
393 
 */
394 
#if !defined(_XOPEN_SOURCE)
395 
struct route_in6 {
396 
        struct  rtentry *ro_rt;
397 
        struct  sockaddr_in6 ro_dst;
398 
};
399 
#endif
400 
 
401 
/*
402 
 * Options for use with [gs]etsockopt at the IPV6 level.
403 
 * First word of comment is data type; bool is stored in int.
404 
 */
405 
#define IPV6_OPTIONS            1  /* buf/ip6_opts; set/get IP6 options */
406 
/* no hdrincl */
407 
#define IPV6_SOCKOPT_RESERVED1  3  /* reserved for future use */
408 
#define IPV6_UNICAST_HOPS       4  /* int; IP6 hops */
409 
#define IPV6_RECVOPTS           5  /* bool; receive all IP6 opts w/dgram */
410 
#define IPV6_RECVRETOPTS        6  /* bool; receive IP6 opts for response */
411 
#define IPV6_RECVDSTADDR        7  /* bool; receive IP6 dst addr w/dgram */
412 
#define IPV6_RETOPTS            8  /* ip6_opts; set/get IP6 options */
413 
#define IPV6_MULTICAST_IF       9  /* u_char; set/get IP6 multicast i/f  */
414 
#define IPV6_MULTICAST_HOPS     10 /* u_char; set/get IP6 multicast hops */
415 
#define IPV6_MULTICAST_LOOP     11 /* u_char; set/get IP6 multicast loopback */
416 
#define IPV6_JOIN_GROUP         12 /* ip6_mreq; join a group membership */
417 
#define IPV6_LEAVE_GROUP        13 /* ip6_mreq; leave a group membership */
418 
#define IPV6_PORTRANGE          14 /* int; range to choose for unspec port */
419 
#define ICMP6_FILTER            18 /* icmp6_filter; icmp6 filter */
420 
#define IPV6_PKTINFO            19 /* bool; send/rcv if, src/dst addr */
421 
#define IPV6_HOPLIMIT           20 /* bool; hop limit */
422 
#define IPV6_NEXTHOP            21 /* bool; next hop addr */
423 
#define IPV6_HOPOPTS            22 /* bool; hop-by-hop option */
424 
#define IPV6_DSTOPTS            23 /* bool; destination option */
425 
#define IPV6_RTHDR              24 /* bool; routing header */
426 
#define IPV6_PKTOPTIONS         25 /* buf/cmsghdr; set/get IPv6 options */
427 
#define IPV6_CHECKSUM           26 /* int; checksum offset for raw socket */
428 
#define IPV6_BINDV6ONLY         27 /* bool; only bind INET6 at null bind */
429 
 
430 
#if 1 /*IPSEC*/
431 
#define IPV6_IPSEC_POLICY       28 /* struct; get/set security policy */
432 
#endif
433 
#define IPV6_FAITH              29 /* bool; accept FAITH'ed connections */
434 
 
435 
#if 1 /*IPV6FIREWALL*/
436 
#define IPV6_FW_ADD             30 /* add a firewall rule to chain */
437 
#define IPV6_FW_DEL             31 /* delete a firewall rule from chain */
438 
#define IPV6_FW_FLUSH           32 /* flush firewall rule chain */
439 
#define IPV6_FW_ZERO            33 /* clear single/all firewall counter(s) */
440 
#define IPV6_FW_GET             34 /* get entire firewall rule chain */
441 
#endif
442 
 
443 
#define IPV6_RTHDR_LOOSE     0 /* this hop need not be a neighbor. XXX old spec */
444 
#define IPV6_RTHDR_STRICT    1 /* this hop must be a neighbor. XXX old spec */
445 
#define IPV6_RTHDR_TYPE_0    0 /* IPv6 routing header type 0 */
446 
 
447 
/*
448 
 * Defaults and limits for options
449 
 */
450 
#define IPV6_DEFAULT_MULTICAST_HOPS 1   /* normally limit m'casts to 1 hop  */
451 
#define IPV6_DEFAULT_MULTICAST_LOOP 1   /* normally hear sends if a member  */
452 
 
453 
/*
454 
 * Argument structure for IPV6_JOIN_GROUP and IPV6_LEAVE_GROUP.
455 
 */
456 
struct ipv6_mreq {
457 
        struct in6_addr ipv6mr_multiaddr;
458 
        u_int           ipv6mr_interface;
459 
};
460 
 
461 
/*
462 
 * IPV6_PKTINFO: Packet information(RFC2292 sec 5)
463 
 */
464 
struct in6_pktinfo {
465 
        struct in6_addr ipi6_addr;      /* src/dst IPv6 address */
466 
        u_int ipi6_ifindex;             /* send/recv interface index */
467 
};
468 
 
469 
/*
470 
 * Argument for IPV6_PORTRANGE:
471 
 * - which range to search when port is unspecified at bind() or connect()
472 
 */
473 
#define IPV6_PORTRANGE_DEFAULT  0        /* default range */
474 
#define IPV6_PORTRANGE_HIGH     1       /* "high" - request firewall bypass */
475 
#define IPV6_PORTRANGE_LOW      2       /* "low" - vouchsafe security */
476 
 
477 
#if !defined(_XOPEN_SOURCE)
478 
/*
479 
 * Definitions for inet6 sysctl operations.
480 
 *
481 
 * Third level is protocol number.
482 
 * Fourth level is desired variable within that protocol.
483 
 */
484 
#define IPV6PROTO_MAXID (IPPROTO_PIM + 1)       /* don't list to IPV6PROTO_MAX */
485 
 
486 
#define CTL_IPV6PROTO_NAMES { \
487 
        { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
488 
        { 0, 0 }, \
489 
        { "tcp6", CTLTYPE_NODE }, \
490 
        { 0, 0 }, \
491 
        { 0, 0 }, \
492 
        { 0, 0 }, \
493 
        { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
494 
        { 0, 0 }, \
495 
        { 0, 0 }, \
496 
        { "udp6", CTLTYPE_NODE }, \
497 
        { 0, 0 }, \
498 
        { 0, 0 }, \
499 
        { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
500 
        { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
501 
        { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
502 
        { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
503 
        { 0, 0 }, \
504 
        { "ip6", CTLTYPE_NODE }, \
505 
        { 0, 0 }, \
506 
        { 0, 0 }, \
507 
        { 0, 0 }, \
508 
        { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
509 
        { 0, 0 }, \
510 
        { "ipsec6", CTLTYPE_NODE }, \
511 
        { 0, 0 }, \
512 
        { 0, 0 }, \
513 
        { 0, 0 }, \
514 
        { 0, 0 }, \
515 
        { 0, 0 }, \
516 
        { 0, 0 }, \
517 
        { "icmp6", CTLTYPE_NODE }, \
518 
        { 0, 0 }, \
519 
        { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
520 
        { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
521 
        { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
522 
        { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
523 
        { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
524 
        { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
525 
        { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
526 
        { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
527 
        { 0, 0 }, \
528 
        { 0, 0 }, \
529 
        { 0, 0 }, \
530 
        { "pim6", CTLTYPE_NODE }, \
531 
}
532 
 
533 
/*
534 
 * Names for IP sysctl objects
535 
 */
536 
#define IPV6CTL_FORWARDING      1       /* act as router */
537 
#define IPV6CTL_SENDREDIRECTS   2       /* may send redirects when forwarding*/
538 
#define IPV6CTL_DEFHLIM         3       /* default Hop-Limit */
539 
#ifdef notyet
540 
#define IPV6CTL_DEFMTU          4       /* default MTU */
541 
#endif
542 
#define IPV6CTL_FORWSRCRT       5       /* forward source-routed dgrams */
543 
#define IPV6CTL_STATS           6       /* stats */
544 
#define IPV6CTL_MRTSTATS        7       /* multicast forwarding stats */
545 
#define IPV6CTL_MRTPROTO        8       /* multicast routing protocol */
546 
#define IPV6CTL_MAXFRAGPACKETS  9       /* max packets reassembly queue */
547 
#define IPV6CTL_SOURCECHECK     10      /* verify source route and intf */
548 
#define IPV6CTL_SOURCECHECK_LOGINT 11   /* minimume logging interval */
549 
#define IPV6CTL_ACCEPT_RTADV    12
550 
#define IPV6CTL_KEEPFAITH       13
551 
#define IPV6CTL_LOG_INTERVAL    14
552 
#define IPV6CTL_HDRNESTLIMIT    15
553 
#define IPV6CTL_DAD_COUNT       16
554 
#define IPV6CTL_AUTO_FLOWLABEL  17
555 
#define IPV6CTL_DEFMCASTHLIM    18
556 
#define IPV6CTL_GIF_HLIM        19      /* default HLIM for gif encap packet */
557 
#define IPV6CTL_KAME_VERSION    20
558 
#define IPV6CTL_USE_DEPRECATED  21      /* use deprecated addr (RFC2462 5.5.4) */
559 
#define IPV6CTL_RR_PRUNE        22      /* walk timer for router renumbering */
560 
#ifdef MAPPED_ADDR_ENABLED
561 
#define IPV6CTL_MAPPED_ADDR     23
562 
#endif /* MAPPED_ADDR_ENABLED */
563 
/* New entries should be added here from current IPV6CTL_MAXID value. */
564 
#define IPV6CTL_MAXID           24
565 
 
566 
#ifdef MAPPED_ADDR_ENABLED
567 
#define IPV6CTL_NAMES_MAPPED_ADDR       "mapped_addr"
568 
#define IPV6CTL_TYPE_MAPPED_ADDR        CTLTYPE_INT
569 
#define IPV6CTL_VARS_MAPPED_ADDR        &ip6_mapped_addr_on
570 
#else  /* MAPPED_ADDR_ENABLED */
571 
#define IPV6CTL_NAMES_MAPPED_ADDR       0
572 
#define IPV6CTL_TYPE_MAPPED_ADDR        0
573 
#define IPV6CTL_VARS_MAPPED_ADDR        0
574 
#endif /* MAPPED_ADDR_ENABLED */
575 
 
576 
#define IPV6CTL_NAMES { \
577 
        { 0, 0 }, \
578 
        { "forwarding", CTLTYPE_INT }, \
579 
        { "redirect", CTLTYPE_INT }, \
580 
        { "hlim", CTLTYPE_INT }, \
581 
        { "mtu", CTLTYPE_INT }, \
582 
        { "forwsrcrt", CTLTYPE_INT }, \
583 
        { 0, 0 }, \
584 
        { 0, 0 }, \
585 
        { "mrtproto", CTLTYPE_INT }, \
586 
        { "maxfragpackets", CTLTYPE_INT }, \
587 
        { "sourcecheck", CTLTYPE_INT }, \
588 
        { "sourcecheck_logint", CTLTYPE_INT }, \
589 
        { "accept_rtadv", CTLTYPE_INT }, \
590 
        { "keepfaith", CTLTYPE_INT }, \
591 
        { "log_interval", CTLTYPE_INT }, \
592 
        { "hdrnestlimit", CTLTYPE_INT }, \
593 
        { "dad_count", CTLTYPE_INT }, \
594 
        { "auto_flowlabel", CTLTYPE_INT }, \
595 
        { "defmcasthlim", CTLTYPE_INT }, \
596 
        { "gifhlim", CTLTYPE_INT }, \
597 
        { "kame_version", CTLTYPE_STRING }, \
598 
        { "use_deprecated", CTLTYPE_INT }, \
599 
        { "rr_prune", CTLTYPE_INT }, \
600 
        { IPV6CTL_NAMES_MAPPED_ADDR, IPV6CTL_TYPE_MAPPED_ADDR }, \
601 
}
602 
 
603 
#define IPV6CTL_VARS { \
604 
        0, \
605 
        &ip6_forwarding, \
606 
        &ip6_sendredirects, \
607 
        &ip6_defhlim, \
608 
        0, \
609 
        &ip6_forward_srcrt, \
610 
        0, \
611 
        0, \
612 
        0, \
613 
        &ip6_maxfragpackets, \
614 
        &ip6_sourcecheck, \
615 
        &ip6_sourcecheck_interval, \
616 
        &ip6_accept_rtadv, \
617 
        &ip6_keepfaith, \
618 
        &ip6_log_interval, \
619 
        &ip6_hdrnestlimit, \
620 
        &ip6_dad_count, \
621 
        &ip6_auto_flowlabel, \
622 
        &ip6_defmcasthlim, \
623 
        &ip6_gif_hlim, \
624 
        0, \
625 
        &ip6_use_deprecated, \
626 
        &ip6_rr_prune, \
627 
        IPV6CTL_VARS_MAPPED_ADDR, \
628 
}
629 
#endif /* !_XOPEN_SOURCE */
630 
 
631 
#ifdef _KERNEL
632 
struct cmsghdr;
633 
struct mbuf;
634 
struct ifnet;
635 
 
636 
int     in6_canforward __P((struct in6_addr *, struct in6_addr *));
637 
int     in6_cksum __P((struct mbuf *, u_int8_t, u_int32_t, u_int32_t));
638 
int     in6_localaddr __P((struct in6_addr *));
639 
int     in6_addrscope __P((struct in6_addr *));
640 
struct  in6_ifaddr *in6_ifawithscope __P((struct ifnet *, struct in6_addr *));
641 
struct  in6_ifaddr *in6_ifawithifp __P((struct ifnet *, struct in6_addr *));
642 
extern void in6_if_up __P((struct ifnet *));
643 
#ifdef MAPPED_ADDR_ENABLED
644 
struct sockaddr;
645 
 
646 
void    in6_sin6_2_sin __P((struct sockaddr_in *sin,
647 
                            struct sockaddr_in6 *sin6));
648 
void    in6_sin_2_v4mapsin6 __P((struct sockaddr_in *sin,
649 
                                 struct sockaddr_in6 *sin6));
650 
void    in6_sin6_2_sin_in_sock __P((struct sockaddr *nam));
651 
void    in6_sin_2_v4mapsin6_in_sock __P((struct sockaddr **nam));
652 
#endif /* MAPPED_ADDR_ENABLED */
653 
 
654 
#define satosin6(sa)    ((struct sockaddr_in6 *)(sa))
655 
#define sin6tosa(sin6)  ((struct sockaddr *)(sin6))
656 
#define ifatoia6(ifa)   ((struct in6_ifaddr *)(ifa))
657 
#endif /* _KERNEL */
658 
 
659 
__BEGIN_DECLS
660 
struct cmsghdr;
661 
 
662 
extern int inet6_option_space(int);
663 
extern int inet6_option_init(void *, struct cmsghdr **, int);
664 
extern int inet6_option_append(struct cmsghdr *, const u_int8_t *, int, int);
665 
extern u_int8_t *inet6_option_alloc(struct cmsghdr *, int, int, int);
666 
extern int inet6_option_next(const struct cmsghdr *, u_int8_t **);
667 
extern int inet6_option_find(const struct cmsghdr *, u_int8_t **, int);
668 
 
669 
extern size_t inet6_rthdr_space __P((int, int));
670 
extern struct cmsghdr *inet6_rthdr_init __P((void *, int));
671 
extern int inet6_rthdr_add __P((struct cmsghdr *, const struct in6_addr *,
672 
                unsigned int));
673 
extern int inet6_rthdr_lasthop __P((struct cmsghdr *, unsigned int));
674 
#if 0 /* not implemented yet */
675 
extern int inet6_rthdr_reverse __P((const struct cmsghdr *, struct cmsghdr *));
676 
#endif
677 
extern int inet6_rthdr_segments __P((const struct cmsghdr *));
678 
extern struct in6_addr *inet6_rthdr_getaddr __P((struct cmsghdr *, int));
679 
extern int inet6_rthdr_getflags __P((const struct cmsghdr *, int));
680 
__END_DECLS
681 
 
682 
#endif /* !_NETINET6_IN6_H_ */

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