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[/] [openrisc/] [trunk/] [gnu-old/] [newlib-1.17.0/] [newlib/] [libc/] [sys/] [linux/] [include/] [netinet6/] [in6.h] - Blame information for rev 816

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1 148 jeremybenn 
/*      $FreeBSD: src/sys/netinet6/in6.h,v 1.19 2002/04/19 04:46:22 suz Exp $   */
2 
/*      $KAME: in6.h,v 1.89 2001/05/27 13:28:35 itojun Exp $    */
3 
 
4 
/*
5 
 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
6 
 * All rights reserved.
7 
 *
8 
 * Redistribution and use in source and binary forms, with or without
9 
 * modification, are permitted provided that the following conditions
10 
 * are met:
11 
 * 1. Redistributions of source code must retain the above copyright
12 
 *    notice, this list of conditions and the following disclaimer.
13 
 * 2. Redistributions in binary form must reproduce the above copyright
14 
 *    notice, this list of conditions and the following disclaimer in the
15 
 *    documentation and/or other materials provided with the distribution.
16 
 * 3. Neither the name of the project nor the names of its contributors
17 
 *    may be used to endorse or promote products derived from this software
18 
 *    without specific prior written permission.
19 
 *
20 
 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
21 
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
24 
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 
 * SUCH DAMAGE.
31 
 */
32 
 
33 
/*
34 
 * Copyright (c) 1982, 1986, 1990, 1993
35 
 *      The Regents of the University of California.  All rights reserved.
36 
 *
37 
 * Redistribution and use in source and binary forms, with or without
38 
 * modification, are permitted provided that the following conditions
39 
 * are met:
40 
 * 1. Redistributions of source code must retain the above copyright
41 
 *    notice, this list of conditions and the following disclaimer.
42 
 * 2. Redistributions in binary form must reproduce the above copyright
43 
 *    notice, this list of conditions and the following disclaimer in the
44 
 *    documentation and/or other materials provided with the distribution.
45 
 * 3. All advertising materials mentioning features or use of this software
46 
 *    must display the following acknowledgement:
47 
 *      This product includes software developed by the University of
48 
 *      California, Berkeley and its contributors.
49 
 * 4. Neither the name of the University nor the names of its contributors
50 
 *    may be used to endorse or promote products derived from this software
51 
 *    without specific prior written permission.
52 
 *
53 
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
54 
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
55 
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
56 
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
57 
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
58 
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
59 
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
60 
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
61 
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
62 
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
63 
 * SUCH DAMAGE.
64 
 *
65 
 *      @(#)in.h        8.3 (Berkeley) 1/3/94
66 
 */
67 
 
68 
#ifndef __KAME_NETINET_IN_H_INCLUDED_
69 
#error "do not include netinet6/in6.h directly, include netinet/in.h.  see RFC2553"
70 
#endif
71 
 
72 
#ifndef _NETINET6_IN6_H_
73 
#define _NETINET6_IN6_H_
74 
 
75 
#include <sys/types.h>
76 
 
77 
/*
78 
 * Identification of the network protocol stack
79 
 * for *BSD-current/release: http://www.kame.net/dev/cvsweb.cgi/kame/COVERAGE
80 
 * has the table of implementation/integration differences.
81 
 */
82 
#define __KAME__
83 
#define __KAME_VERSION          "20010528/FreeBSD"
84 
 
85 
/*
86 
 * Local port number conventions:
87 
 *
88 
 * Ports < IPPORT_RESERVED are reserved for privileged processes (e.g. root),
89 
 * unless a kernel is compiled with IPNOPRIVPORTS defined.
90 
 *
91 
 * When a user does a bind(2) or connect(2) with a port number of zero,
92 
 * a non-conflicting local port address is chosen.
93 
 *
94 
 * The default range is IPPORT_ANONMIN to IPPORT_ANONMAX, although
95 
 * that is settable by sysctl(3); net.inet.ip.anonportmin and
96 
 * net.inet.ip.anonportmax respectively.
97 
 *
98 
 * A user may set the IPPROTO_IP option IP_PORTRANGE to change this
99 
 * default assignment range.
100 
 *
101 
 * The value IP_PORTRANGE_DEFAULT causes the default behavior.
102 
 *
103 
 * The value IP_PORTRANGE_HIGH is the same as IP_PORTRANGE_DEFAULT,
104 
 * and exists only for FreeBSD compatibility purposes.
105 
 *
106 
 * The value IP_PORTRANGE_LOW changes the range to the "low" are
107 
 * that is (by convention) restricted to privileged processes.
108 
 * This convention is based on "vouchsafe" principles only.
109 
 * It is only secure if you trust the remote host to restrict these ports.
110 
 * The range is IPPORT_RESERVEDMIN to IPPORT_RESERVEDMAX.
111 
 */
112 
 
113 
#define IPV6PORT_RESERVED       1024
114 
#define IPV6PORT_ANONMIN        49152
115 
#define IPV6PORT_ANONMAX        65535
116 
#define IPV6PORT_RESERVEDMIN    600
117 
#define IPV6PORT_RESERVEDMAX    (IPV6PORT_RESERVED-1)
118 
 
119 
/*
120 
 * IPv6 address
121 
 */
122 
struct in6_addr {
123 
        union {
124 
                uint8_t   __u6_addr8[16];
125 
                uint16_t  __u6_addr16[8];
126 
                uint32_t  __u6_addr32[4];
127 
        } __u6_addr;                    /* 128-bit IP6 address */
128 
};
129 
 
130 
#define s6_addr   __u6_addr.__u6_addr8
131 
#ifdef _KERNEL  /* XXX nonstandard */
132 
#define s6_addr8  __u6_addr.__u6_addr8
133 
#define s6_addr16 __u6_addr.__u6_addr16
134 
#define s6_addr32 __u6_addr.__u6_addr32
135 
#endif
136 
 
137 
#define INET6_ADDRSTRLEN        46
138 
 
139 
/*
140 
 * Socket address for IPv6
141 
 */
142 
#ifndef _XOPEN_SOURCE
143 
#define SIN6_LEN
144 
#endif
145 
struct sockaddr_in6 {
146 
        uint8_t sin6_family;    /* AF_INET6 (sa_family_t) */
147 
        uint16_t        sin6_port;      /* Transport layer port # (in_port_t)*/
148 
        uint32_t        sin6_flowinfo;  /* IP6 flow information */
149 
        struct in6_addr sin6_addr;      /* IP6 address */
150 
        uint32_t        sin6_scope_id;  /* scope zone index */
151 
};
152 
 
153 
/*
154 
 * Local definition for masks
155 
 */
156 
#ifdef _KERNEL  /* XXX nonstandard */
157 
#define IN6MASK0        {{{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }}}
158 
#define IN6MASK32       {{{ 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, \
159 
                            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}}
160 
#define IN6MASK64       {{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \
161 
                            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}}
162 
#define IN6MASK96       {{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \
163 
                            0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00 }}}
164 
#define IN6MASK128      {{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \
165 
                            0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }}}
166 
#endif
167 
 
168 
#ifdef _KERNEL
169 
extern const struct sockaddr_in6 sa6_any;
170 
 
171 
extern const struct in6_addr in6mask0;
172 
extern const struct in6_addr in6mask32;
173 
extern const struct in6_addr in6mask64;
174 
extern const struct in6_addr in6mask96;
175 
extern const struct in6_addr in6mask128;
176 
#endif /* _KERNEL */
177 
 
178 
/*
179 
 * Macros started with IPV6_ADDR is KAME local
180 
 */
181 
#ifdef _KERNEL  /* XXX nonstandard */
182 
#if BYTE_ORDER == BIG_ENDIAN
183 
#define IPV6_ADDR_INT32_ONE     1
184 
#define IPV6_ADDR_INT32_TWO     2
185 
#define IPV6_ADDR_INT32_MNL     0xff010000
186 
#define IPV6_ADDR_INT32_MLL     0xff020000
187 
#define IPV6_ADDR_INT32_SMP     0x0000ffff
188 
#define IPV6_ADDR_INT16_ULL     0xfe80
189 
#define IPV6_ADDR_INT16_USL     0xfec0
190 
#define IPV6_ADDR_INT16_MLL     0xff02
191 
#elif BYTE_ORDER == LITTLE_ENDIAN
192 
#define IPV6_ADDR_INT32_ONE     0x01000000
193 
#define IPV6_ADDR_INT32_TWO     0x02000000
194 
#define IPV6_ADDR_INT32_MNL     0x000001ff
195 
#define IPV6_ADDR_INT32_MLL     0x000002ff
196 
#define IPV6_ADDR_INT32_SMP     0xffff0000
197 
#define IPV6_ADDR_INT16_ULL     0x80fe
198 
#define IPV6_ADDR_INT16_USL     0xc0fe
199 
#define IPV6_ADDR_INT16_MLL     0x02ff
200 
#endif
201 
#endif
202 
 
203 
/*
204 
 * Definition of some useful macros to handle IP6 addresses
205 
 */
206 
#define IN6ADDR_ANY_INIT \
207 
        {{{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
208 
            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}}
209 
#define IN6ADDR_LOOPBACK_INIT \
210 
        {{{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
211 
            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}}
212 
#define IN6ADDR_NODELOCAL_ALLNODES_INIT \
213 
        {{{ 0xff, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
214 
            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}}
215 
#define IN6ADDR_LINKLOCAL_ALLNODES_INIT \
216 
        {{{ 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
217 
            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}}
218 
#define IN6ADDR_LINKLOCAL_ALLROUTERS_INIT \
219 
        {{{ 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
220 
            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02 }}}
221 
 
222 
extern const struct in6_addr in6addr_any;
223 
extern const struct in6_addr in6addr_loopback;
224 
extern const struct in6_addr in6addr_nodelocal_allnodes;
225 
extern const struct in6_addr in6addr_linklocal_allnodes;
226 
extern const struct in6_addr in6addr_linklocal_allrouters;
227 
 
228 
/*
229 
 * Equality
230 
 * NOTE: Some of kernel programming environment (for example, openbsd/sparc)
231 
 * does not supply memcmp().  For userland memcmp() is preferred as it is
232 
 * in ANSI standard.
233 
 */
234 
#ifdef _KERNEL
235 
#define IN6_ARE_ADDR_EQUAL(a, b)                        \
236 
    (bcmp(&(a)->s6_addr[0], &(b)->s6_addr[0], sizeof(struct in6_addr)) == 0)
237 
#else
238 
#define IN6_ARE_ADDR_EQUAL(a, b)                        \
239 
    (memcmp(&(a)->s6_addr[0], &(b)->s6_addr[0], sizeof(struct in6_addr)) == 0)
240 
#endif
241 
 
242 
#ifdef _KERNEL                  /* non standard */
243 
/* see if two addresses are equal in a scope-conscious manner. */
244 
#define SA6_ARE_ADDR_EQUAL(a, b) \
245 
        (((a)->sin6_scope_id == 0 || (b)->sin6_scope_id == 0 || \
246 
          ((a)->sin6_scope_id == (b)->sin6_scope_id)) && \
247 
         (bcmp(&(a)->sin6_addr, &(b)->sin6_addr, sizeof(struct in6_addr)) == 0))
248 
#endif
249 
 
250 
/*
251 
 * Unspecified
252 
 */
253 
#define IN6_IS_ADDR_UNSPECIFIED(a)      \
254 
        ((*(const uint32_t *)(const void *)(&(a)->s6_addr[0]) == 0) &&    \
255 
         (*(const uint32_t *)(const void *)(&(a)->s6_addr[4]) == 0) &&   \
256 
         (*(const uint32_t *)(const void *)(&(a)->s6_addr[8]) == 0) &&   \
257 
         (*(const uint32_t *)(const void *)(&(a)->s6_addr[12]) == 0))
258 
 
259 
/*
260 
 * Loopback
261 
 */
262 
#define IN6_IS_ADDR_LOOPBACK(a)         \
263 
        ((*(const uint32_t *)(const void *)(&(a)->s6_addr[0]) == 0) &&    \
264 
         (*(const uint32_t *)(const void *)(&(a)->s6_addr[4]) == 0) &&   \
265 
         (*(const uint32_t *)(const void *)(&(a)->s6_addr[8]) == 0) &&   \
266 
         (*(const uint32_t *)(const void *)(&(a)->s6_addr[12]) == ntohl(1)))
267 
 
268 
/*
269 
 * IPv4 compatible
270 
 */
271 
#define IN6_IS_ADDR_V4COMPAT(a)         \
272 
        ((*(const uint32_t *)(const void *)(&(a)->s6_addr[0]) == 0) &&    \
273 
         (*(const uint32_t *)(const void *)(&(a)->s6_addr[4]) == 0) &&   \
274 
         (*(const uint32_t *)(const void *)(&(a)->s6_addr[8]) == 0) &&   \
275 
         (*(const uint32_t *)(const void *)(&(a)->s6_addr[12]) != 0) &&  \
276 
         (*(const uint32_t *)(const void *)(&(a)->s6_addr[12]) != ntohl(1)))
277 
 
278 
/*
279 
 * Mapped
280 
 */
281 
#define IN6_IS_ADDR_V4MAPPED(a)               \
282 
        ((*(const uint32_t *)(const void *)(&(a)->s6_addr[0]) == 0) &&    \
283 
         (*(const uint32_t *)(const void *)(&(a)->s6_addr[4]) == 0) &&   \
284 
         (*(const uint32_t *)(const void *)(&(a)->s6_addr[8]) == ntohl(0x0000ffff)))
285 
 
286 
/*
287 
 * KAME Scope Values
288 
 */
289 
 
290 
#ifdef _KERNEL  /* XXX nonstandard */
291 
#define IPV6_ADDR_SCOPE_NODELOCAL       0x01
292 
#define IPV6_ADDR_SCOPE_LINKLOCAL       0x02
293 
#define IPV6_ADDR_SCOPE_SITELOCAL       0x05
294 
#define IPV6_ADDR_SCOPE_ORGLOCAL        0x08    /* just used in this file */
295 
#define IPV6_ADDR_SCOPE_GLOBAL          0x0e
296 
#else
297 
#define __IPV6_ADDR_SCOPE_NODELOCAL     0x01
298 
#define __IPV6_ADDR_SCOPE_LINKLOCAL     0x02
299 
#define __IPV6_ADDR_SCOPE_SITELOCAL     0x05
300 
#define __IPV6_ADDR_SCOPE_ORGLOCAL      0x08    /* just used in this file */
301 
#define __IPV6_ADDR_SCOPE_GLOBAL        0x0e
302 
#endif
303 
 
304 
/*
305 
 * Unicast Scope
306 
 * Note that we must check topmost 10 bits only, not 16 bits (see RFC2373).
307 
 */
308 
#define IN6_IS_ADDR_LINKLOCAL(a)        \
309 
        (((a)->s6_addr[0] == 0xfe) && (((a)->s6_addr[1] & 0xc0) == 0x80))
310 
#define IN6_IS_ADDR_SITELOCAL(a)        \
311 
        (((a)->s6_addr[0] == 0xfe) && (((a)->s6_addr[1] & 0xc0) == 0xc0))
312 
 
313 
/*
314 
 * Multicast
315 
 */
316 
#define IN6_IS_ADDR_MULTICAST(a)        ((a)->s6_addr[0] == 0xff)
317 
 
318 
#ifdef _KERNEL  /* XXX nonstandard */
319 
#define IPV6_ADDR_MC_SCOPE(a)           ((a)->s6_addr[1] & 0x0f)
320 
#else
321 
#define __IPV6_ADDR_MC_SCOPE(a)         ((a)->s6_addr[1] & 0x0f)
322 
#endif
323 
 
324 
/*
325 
 * Multicast Scope
326 
 */
327 
#ifdef _KERNEL  /* refers nonstandard items */
328 
#define IN6_IS_ADDR_MC_NODELOCAL(a)     \
329 
        (IN6_IS_ADDR_MULTICAST(a) &&    \
330 
         (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_NODELOCAL))
331 
#define IN6_IS_ADDR_MC_LINKLOCAL(a)     \
332 
        (IN6_IS_ADDR_MULTICAST(a) &&    \
333 
         (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_LINKLOCAL))
334 
#define IN6_IS_ADDR_MC_SITELOCAL(a)     \
335 
        (IN6_IS_ADDR_MULTICAST(a) &&    \
336 
         (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_SITELOCAL))
337 
#define IN6_IS_ADDR_MC_ORGLOCAL(a)      \
338 
        (IN6_IS_ADDR_MULTICAST(a) &&    \
339 
         (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_ORGLOCAL))
340 
#define IN6_IS_ADDR_MC_GLOBAL(a)        \
341 
        (IN6_IS_ADDR_MULTICAST(a) &&    \
342 
         (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_GLOBAL))
343 
#else
344 
#define IN6_IS_ADDR_MC_NODELOCAL(a)     \
345 
        (IN6_IS_ADDR_MULTICAST(a) &&    \
346 
         (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_NODELOCAL))
347 
#define IN6_IS_ADDR_MC_LINKLOCAL(a)     \
348 
        (IN6_IS_ADDR_MULTICAST(a) &&    \
349 
         (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_LINKLOCAL))
350 
#define IN6_IS_ADDR_MC_SITELOCAL(a)     \
351 
        (IN6_IS_ADDR_MULTICAST(a) &&    \
352 
         (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_SITELOCAL))
353 
#define IN6_IS_ADDR_MC_ORGLOCAL(a)      \
354 
        (IN6_IS_ADDR_MULTICAST(a) &&    \
355 
         (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_ORGLOCAL))
356 
#define IN6_IS_ADDR_MC_GLOBAL(a)        \
357 
        (IN6_IS_ADDR_MULTICAST(a) &&    \
358 
         (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_GLOBAL))
359 
#endif
360 
 
361 
#ifdef _KERNEL  /* nonstandard */
362 
/*
363 
 * KAME Scope
364 
 */
365 
#define IN6_IS_SCOPE_LINKLOCAL(a)       \
366 
        ((IN6_IS_ADDR_LINKLOCAL(a)) ||  \
367 
         (IN6_IS_ADDR_MC_LINKLOCAL(a)))
368 
 
369 
#define IFA6_IS_DEPRECATED(a) \
370 
        ((a)->ia6_lifetime.ia6t_preferred != 0 && \
371 
         (a)->ia6_lifetime.ia6t_preferred < time_second)
372 
#define IFA6_IS_INVALID(a) \
373 
        ((a)->ia6_lifetime.ia6t_expire != 0 && \
374 
         (a)->ia6_lifetime.ia6t_expire < time_second)
375 
#endif /* _KERNEL */
376 
 
377 
/*
378 
 * IP6 route structure
379 
 */
380 
#ifndef _XOPEN_SOURCE
381 
struct route_in6 {
382 
        struct  rtentry *ro_rt;
383 
        struct  sockaddr_in6 ro_dst;
384 
};
385 
#endif
386 
 
387 
/*
388 
 * Options for use with [gs]etsockopt at the IPV6 level.
389 
 * First word of comment is data type; bool is stored in int.
390 
 */
391 
/* no hdrincl */
392 
#if 0 /* the followings are relic in IPv4 and hence are disabled */
393 
#define IPV6_OPTIONS            1  /* buf/ip6_opts; set/get IP6 options */
394 
#define IPV6_RECVOPTS           5  /* bool; receive all IP6 opts w/dgram */
395 
#define IPV6_RECVRETOPTS        6  /* bool; receive IP6 opts for response */
396 
#define IPV6_RECVDSTADDR        7  /* bool; receive IP6 dst addr w/dgram */
397 
#define IPV6_RETOPTS            8  /* ip6_opts; set/get IP6 options */
398 
#endif
399 
#define IPV6_SOCKOPT_RESERVED1  3  /* reserved for future use */
400 
#define IPV6_UNICAST_HOPS       4  /* int; IP6 hops */
401 
#define IPV6_MULTICAST_IF       9  /* u_char; set/get IP6 multicast i/f  */
402 
#define IPV6_MULTICAST_HOPS     10 /* u_char; set/get IP6 multicast hops */
403 
#define IPV6_MULTICAST_LOOP     11 /* u_char; set/get IP6 multicast loopback */
404 
#define IPV6_JOIN_GROUP         12 /* ip6_mreq; join a group membership */
405 
#define IPV6_LEAVE_GROUP        13 /* ip6_mreq; leave a group membership */
406 
#define IPV6_PORTRANGE          14 /* int; range to choose for unspec port */
407 
#define ICMP6_FILTER            18 /* icmp6_filter; icmp6 filter */
408 
/* RFC2292 options */
409 
#define IPV6_PKTINFO            19 /* bool; send/recv if, src/dst addr */
410 
#define IPV6_HOPLIMIT           20 /* bool; hop limit */
411 
#define IPV6_NEXTHOP            21 /* bool; next hop addr */
412 
#define IPV6_HOPOPTS            22 /* bool; hop-by-hop option */
413 
#define IPV6_DSTOPTS            23 /* bool; destination option */
414 
#define IPV6_RTHDR              24 /* bool; routing header */
415 
#define IPV6_PKTOPTIONS         25 /* buf/cmsghdr; set/get IPv6 options */
416 
 
417 
#define IPV6_CHECKSUM           26 /* int; checksum offset for raw socket */
418 
#define IPV6_V6ONLY             27 /* bool; only bind INET6 at wildcard bind */
419 
#ifndef _KERNEL
420 
#define IPV6_BINDV6ONLY         IPV6_V6ONLY
421 
#endif
422 
 
423 
#if 1 /* IPSEC */
424 
#define IPV6_IPSEC_POLICY       28 /* struct; get/set security policy */
425 
#endif
426 
#define IPV6_FAITH              29 /* bool; accept FAITH'ed connections */
427 
 
428 
#if 1 /* IPV6FIREWALL */
429 
#define IPV6_FW_ADD             30 /* add a firewall rule to chain */
430 
#define IPV6_FW_DEL             31 /* delete a firewall rule from chain */
431 
#define IPV6_FW_FLUSH           32 /* flush firewall rule chain */
432 
#define IPV6_FW_ZERO            33 /* clear single/all firewall counter(s) */
433 
#define IPV6_FW_GET             34 /* get entire firewall rule chain */
434 
#endif
435 
 
436 
/* to define items, should talk with KAME guys first, for *BSD compatibility */
437 
 
438 
#define IPV6_RTHDR_LOOSE     0 /* this hop need not be a neighbor. XXX old spec */
439 
#define IPV6_RTHDR_STRICT    1 /* this hop must be a neighbor. XXX old spec */
440 
#define IPV6_RTHDR_TYPE_0    0 /* IPv6 routing header type 0 */
441 
 
442 
/*
443 
 * Defaults and limits for options
444 
 */
445 
#define IPV6_DEFAULT_MULTICAST_HOPS 1   /* normally limit m'casts to 1 hop */
446 
#define IPV6_DEFAULT_MULTICAST_LOOP 1   /* normally hear sends if a member */
447 
 
448 
/*
449 
 * Argument structure for IPV6_JOIN_GROUP and IPV6_LEAVE_GROUP.
450 
 */
451 
struct ipv6_mreq {
452 
        struct in6_addr ipv6mr_multiaddr;
453 
        unsigned int    ipv6mr_interface;
454 
};
455 
 
456 
/*
457 
 * IPV6_PKTINFO: Packet information(RFC2292 sec 5)
458 
 */
459 
struct in6_pktinfo {
460 
        struct in6_addr ipi6_addr;      /* src/dst IPv6 address */
461 
        unsigned int    ipi6_ifindex;   /* send/recv interface index */
462 
};
463 
 
464 
/*
465 
 * Argument for IPV6_PORTRANGE:
466 
 * - which range to search when port is unspecified at bind() or connect()
467 
 */
468 
#define IPV6_PORTRANGE_DEFAULT  0        /* default range */
469 
#define IPV6_PORTRANGE_HIGH     1       /* "high" - request firewall bypass */
470 
#define IPV6_PORTRANGE_LOW      2       /* "low" - vouchsafe security */
471 
 
472 
#ifndef _XOPEN_SOURCE
473 
/*
474 
 * Definitions for inet6 sysctl operations.
475 
 *
476 
 * Third level is protocol number.
477 
 * Fourth level is desired variable within that protocol.
478 
 */
479 
#define IPV6PROTO_MAXID (IPPROTO_PIM + 1)       /* don't list to IPV6PROTO_MAX */
480 
 
481 
#define CTL_IPV6PROTO_NAMES { \
482 
        { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
483 
        { 0, 0 }, \
484 
        { "tcp6", CTLTYPE_NODE }, \
485 
        { 0, 0 }, \
486 
        { 0, 0 }, \
487 
        { 0, 0 }, \
488 
        { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
489 
        { 0, 0 }, \
490 
        { 0, 0 }, \
491 
        { "udp6", CTLTYPE_NODE }, \
492 
        { 0, 0 }, \
493 
        { 0, 0 }, \
494 
        { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
495 
        { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
496 
        { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
497 
        { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
498 
        { 0, 0 }, \
499 
        { "ip6", CTLTYPE_NODE }, \
500 
        { 0, 0 }, \
501 
        { 0, 0 }, \
502 
        { 0, 0 }, \
503 
        { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
504 
        { 0, 0 }, \
505 
        { "ipsec6", CTLTYPE_NODE }, \
506 
        { 0, 0 }, \
507 
        { 0, 0 }, \
508 
        { 0, 0 }, \
509 
        { 0, 0 }, \
510 
        { 0, 0 }, \
511 
        { 0, 0 }, \
512 
        { "icmp6", CTLTYPE_NODE }, \
513 
        { 0, 0 }, \
514 
        { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
515 
        { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
516 
        { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
517 
        { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \
518 
        { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 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 }, \
523 
        { 0, 0 }, \
524 
        { 0, 0 }, \
525 
        { "pim6", CTLTYPE_NODE }, \
526 
}
527 
 
528 
/*
529 
 * Names for IP sysctl objects
530 
 */
531 
#define IPV6CTL_FORWARDING      1       /* act as router */
532 
#define IPV6CTL_SENDREDIRECTS   2       /* may send redirects when forwarding*/
533 
#define IPV6CTL_DEFHLIM         3       /* default Hop-Limit */
534 
#ifdef notyet
535 
#define IPV6CTL_DEFMTU          4       /* default MTU */
536 
#endif
537 
#define IPV6CTL_FORWSRCRT       5       /* forward source-routed dgrams */
538 
#define IPV6CTL_STATS           6       /* stats */
539 
#define IPV6CTL_MRTSTATS        7       /* multicast forwarding stats */
540 
#define IPV6CTL_MRTPROTO        8       /* multicast routing protocol */
541 
#define IPV6CTL_MAXFRAGPACKETS  9       /* max packets reassembly queue */
542 
#define IPV6CTL_SOURCECHECK     10      /* verify source route and intf */
543 
#define IPV6CTL_SOURCECHECK_LOGINT 11   /* minimume logging interval */
544 
#define IPV6CTL_ACCEPT_RTADV    12
545 
#define IPV6CTL_KEEPFAITH       13
546 
#define IPV6CTL_LOG_INTERVAL    14
547 
#define IPV6CTL_HDRNESTLIMIT    15
548 
#define IPV6CTL_DAD_COUNT       16
549 
#define IPV6CTL_AUTO_FLOWLABEL  17
550 
#define IPV6CTL_DEFMCASTHLIM    18
551 
#define IPV6CTL_GIF_HLIM        19      /* default HLIM for gif encap packet */
552 
#define IPV6CTL_KAME_VERSION    20
553 
#define IPV6CTL_USE_DEPRECATED  21      /* use deprecated addr (RFC2462 5.5.4) */
554 
#define IPV6CTL_RR_PRUNE        22      /* walk timer for router renumbering */
555 
#if 0   /* obsolete */
556 
#define IPV6CTL_MAPPED_ADDR     23
557 
#endif
558 
#define IPV6CTL_V6ONLY          24
559 
#define IPV6CTL_RTEXPIRE        25      /* cloned route expiration time */
560 
#define IPV6CTL_RTMINEXPIRE     26      /* min value for expiration time */
561 
#define IPV6CTL_RTMAXCACHE      27      /* trigger level for dynamic expire */
562 
 
563 
#define IPV6CTL_USETEMPADDR     32      /* use temporary addresses (RFC3041) */
564 
#define IPV6CTL_TEMPPLTIME      33      /* preferred lifetime for tmpaddrs */
565 
#define IPV6CTL_TEMPVLTIME      34      /* valid lifetime for tmpaddrs */
566 
#define IPV6CTL_AUTO_LINKLOCAL  35      /* automatic link-local addr assign */
567 
#define IPV6CTL_RIP6STATS       36      /* raw_ip6 stats */
568 
 
569 
/* New entries should be added here from current IPV6CTL_MAXID value. */
570 
/* to define items, should talk with KAME guys first, for *BSD compatibility */
571 
#define IPV6CTL_MAXID           37
572 
 
573 
#endif /* !_XOPEN_SOURCE */
574 
 
575 
/*
576 
 * Redefinition of mbuf flags
577 
 */
578 
#define M_AUTHIPHDR     M_PROTO2
579 
#define M_DECRYPTED     M_PROTO3
580 
#define M_LOOP          M_PROTO4
581 
#define M_AUTHIPDGM     M_PROTO5
582 
 
583 
#ifdef _KERNEL
584 
struct cmsghdr;
585 
 
586 
int     in6_cksum __P((struct mbuf *, uint8_t, uint32_t, uint32_t));
587 
int     in6_localaddr __P((struct in6_addr *));
588 
int     in6_addrscope __P((struct in6_addr *));
589 
struct  in6_ifaddr *in6_ifawithscope __P((struct ifnet *, struct in6_addr *));
590 
struct  in6_ifaddr *in6_ifawithifp __P((struct ifnet *, struct in6_addr *));
591 
extern void in6_if_up __P((struct ifnet *));
592 
struct sockaddr;
593 
extern  u_char  ip6_protox[];
594 
 
595 
void    in6_sin6_2_sin __P((struct sockaddr_in *sin,
596 
                            struct sockaddr_in6 *sin6));
597 
void    in6_sin_2_v4mapsin6 __P((struct sockaddr_in *sin,
598 
                                 struct sockaddr_in6 *sin6));
599 
void    in6_sin6_2_sin_in_sock __P((struct sockaddr *nam));
600 
void    in6_sin_2_v4mapsin6_in_sock __P((struct sockaddr **nam));
601 
 
602 
#define satosin6(sa)    ((struct sockaddr_in6 *)(sa))
603 
#define sin6tosa(sin6)  ((struct sockaddr *)(sin6))
604 
#define ifatoia6(ifa)   ((struct in6_ifaddr *)(ifa))
605 
 
606 
extern int      (*faithprefix_p)(struct in6_addr *);
607 
#endif /* _KERNEL */
608 
 
609 
__BEGIN_DECLS
610 
struct cmsghdr;
611 
 
612 
extern int inet6_option_space __P((int));
613 
extern int inet6_option_init __P((void *, struct cmsghdr **, int));
614 
extern int inet6_option_append __P((struct cmsghdr *, const uint8_t *,
615 
        int, int));
616 
extern uint8_t *inet6_option_alloc __P((struct cmsghdr *, int, int, int));
617 
extern int inet6_option_next __P((const struct cmsghdr *, uint8_t **));
618 
extern int inet6_option_find __P((const struct cmsghdr *, uint8_t **, int));
619 
 
620 
extern size_t inet6_rthdr_space __P((int, int));
621 
extern struct cmsghdr *inet6_rthdr_init __P((void *, int));
622 
extern int inet6_rthdr_add __P((struct cmsghdr *, const struct in6_addr *,
623 
                unsigned int));
624 
extern int inet6_rthdr_lasthop __P((struct cmsghdr *, unsigned int));
625 
#if 0 /* not implemented yet */
626 
extern int inet6_rthdr_reverse __P((const struct cmsghdr *, struct cmsghdr *));
627 
#endif
628 
extern int inet6_rthdr_segments __P((const struct cmsghdr *));
629 
extern struct in6_addr *inet6_rthdr_getaddr __P((struct cmsghdr *, int));
630 
extern int inet6_rthdr_getflags __P((const struct cmsghdr *, int));
631 
 
632 
extern int inet6_opt_init __P((void *, size_t));
633 
extern int inet6_opt_append __P((void *, size_t, int, uint8_t,
634 
                                 size_t, uint8_t, void **));
635 
extern int inet6_opt_finish __P((void *, size_t, int));
636 
extern int inet6_opt_set_val __P((void *, size_t, void *, int));
637 
 
638 
extern int inet6_opt_next __P((void *, size_t, int, uint8_t *,
639 
                               size_t *, void **));
640 
extern int inet6_opt_find __P((void *, size_t, int, uint8_t,
641 
                          size_t *, void **));
642 
extern int inet6_opt_get_val __P((void *, size_t, void *, int));
643 
extern size_t inet6_rth_space __P((int, int));
644 
extern void *inet6_rth_init __P((void *, int, int, int));
645 
extern int inet6_rth_add __P((void *, const struct in6_addr *));
646 
extern int inet6_rth_reverse __P((const void *, void *));
647 
extern int inet6_rth_segments __P((const void *));
648 
extern struct in6_addr *inet6_rth_getaddr __P((const void *, int));
649 
__END_DECLS
650 
 
651 
#endif /* !_NETINET6_IN6_H_ */

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