1 | /* |
2 | * Copyright (c) 2008-2020 Apple Inc. All rights reserved. |
3 | * |
4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ |
5 | * |
6 | * This file contains Original Code and/or Modifications of Original Code |
7 | * as defined in and that are subject to the Apple Public Source License |
8 | * Version 2.0 (the 'License'). You may not use this file except in |
9 | * compliance with the License. The rights granted to you under the License |
10 | * may not be used to create, or enable the creation or redistribution of, |
11 | * unlawful or unlicensed copies of an Apple operating system, or to |
12 | * circumvent, violate, or enable the circumvention or violation of, any |
13 | * terms of an Apple operating system software license agreement. |
14 | * |
15 | * Please obtain a copy of the License at |
16 | * http://www.opensource.apple.com/apsl/ and read it before using this file. |
17 | * |
18 | * The Original Code and all software distributed under the License are |
19 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, |
22 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. |
23 | * Please see the License for the specific language governing rights and |
24 | * limitations under the License. |
25 | * |
26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ |
27 | */ |
28 | |
29 | /* |
30 | * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. |
31 | * All rights reserved. |
32 | * |
33 | * Redistribution and use in source and binary forms, with or without |
34 | * modification, are permitted provided that the following conditions |
35 | * are met: |
36 | * 1. Redistributions of source code must retain the above copyright |
37 | * notice, this list of conditions and the following disclaimer. |
38 | * 2. Redistributions in binary form must reproduce the above copyright |
39 | * notice, this list of conditions and the following disclaimer in the |
40 | * documentation and/or other materials provided with the distribution. |
41 | * 3. Neither the name of the project nor the names of its contributors |
42 | * may be used to endorse or promote products derived from this software |
43 | * without specific prior written permission. |
44 | * |
45 | * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND |
46 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
47 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
48 | * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE |
49 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
50 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
51 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
52 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
53 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
54 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
55 | * SUCH DAMAGE. |
56 | */ |
57 | |
58 | /* |
59 | * Copyright (c) 1982, 1986, 1990, 1993 |
60 | * The Regents of the University of California. All rights reserved. |
61 | * |
62 | * Redistribution and use in source and binary forms, with or without |
63 | * modification, are permitted provided that the following conditions |
64 | * are met: |
65 | * 1. Redistributions of source code must retain the above copyright |
66 | * notice, this list of conditions and the following disclaimer. |
67 | * 2. Redistributions in binary form must reproduce the above copyright |
68 | * notice, this list of conditions and the following disclaimer in the |
69 | * documentation and/or other materials provided with the distribution. |
70 | * 3. All advertising materials mentioning features or use of this software |
71 | * must display the following acknowledgement: |
72 | * This product includes software developed by the University of |
73 | * California, Berkeley and its contributors. |
74 | * 4. Neither the name of the University nor the names of its contributors |
75 | * may be used to endorse or promote products derived from this software |
76 | * without specific prior written permission. |
77 | * |
78 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
79 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
80 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
81 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
82 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
83 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
84 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
85 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
86 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
87 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
88 | * SUCH DAMAGE. |
89 | * |
90 | * @(#)in.h 8.3 (Berkeley) 1/3/94 |
91 | */ |
92 | |
93 | #ifndef DRIVERKIT |
94 | #ifndef __KAME_NETINET_IN_H_INCLUDED_ |
95 | #error "do not include netinet6/in6.h directly, include netinet/in.h. " \ |
96 | " see RFC2553" |
97 | #endif |
98 | #endif /* DRIVERKIT */ |
99 | |
100 | #ifndef _NETINET6_IN6_H_ |
101 | #define _NETINET6_IN6_H_ |
102 | #ifndef DRIVERKIT |
103 | #include <sys/appleapiopts.h> |
104 | #else |
105 | #include <sys/_types/_in_port_t.h> |
106 | #endif /* DRIVERKIT */ |
107 | |
108 | #include <sys/_types.h> |
109 | #include <sys/_types/_sa_family_t.h> |
110 | |
111 | /* |
112 | * Identification of the network protocol stack |
113 | * for *BSD-current/release: http://www.kame.net/dev/cvsweb.cgi/kame/COVERAGE |
114 | * has the table of implementation/integration differences. |
115 | */ |
116 | #define __KAME__ |
117 | #define __KAME_VERSION "2009/apple-darwin" |
118 | |
119 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) |
120 | /* |
121 | * Local port number conventions: |
122 | * |
123 | * Ports < IPPORT_RESERVED are reserved for privileged processes (e.g. root), |
124 | * unless a kernel is compiled with IPNOPRIVPORTS defined. |
125 | * |
126 | * When a user does a bind(2) or connect(2) with a port number of zero, |
127 | * a non-conflicting local port address is chosen. |
128 | * |
129 | * The default range is IPPORT_ANONMIN to IPPORT_ANONMAX, although |
130 | * that is settable by sysctl(3); net.inet.ip.anonportmin and |
131 | * net.inet.ip.anonportmax respectively. |
132 | * |
133 | * A user may set the IPPROTO_IP option IP_PORTRANGE to change this |
134 | * default assignment range. |
135 | * |
136 | * The value IP_PORTRANGE_DEFAULT causes the default behavior. |
137 | * |
138 | * The value IP_PORTRANGE_HIGH is the same as IP_PORTRANGE_DEFAULT, |
139 | * and exists only for FreeBSD compatibility purposes. |
140 | * |
141 | * The value IP_PORTRANGE_LOW changes the range to the "low" are |
142 | * that is (by convention) restricted to privileged processes. |
143 | * This convention is based on "vouchsafe" principles only. |
144 | * It is only secure if you trust the remote host to restrict these ports. |
145 | * The range is IPPORT_RESERVEDMIN to IPPORT_RESERVEDMAX. |
146 | */ |
147 | |
148 | #define IPV6PORT_RESERVED 1024 |
149 | #define IPV6PORT_ANONMIN 49152 |
150 | #define IPV6PORT_ANONMAX 65535 |
151 | #define IPV6PORT_RESERVEDMIN 600 |
152 | #define IPV6PORT_RESERVEDMAX (IPV6PORT_RESERVED-1) |
153 | #endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */ |
154 | |
155 | /* |
156 | * IPv6 address |
157 | */ |
158 | typedef struct in6_addr { |
159 | union { |
160 | __uint8_t __u6_addr8[16]; |
161 | __uint16_t __u6_addr16[8]; |
162 | __uint32_t __u6_addr32[4]; |
163 | } __u6_addr; /* 128-bit IP6 address */ |
164 | } in6_addr_t; |
165 | |
166 | #define s6_addr __u6_addr.__u6_addr8 |
167 | #ifdef KERNEL /* XXX nonstandard */ |
168 | #define s6_addr8 __u6_addr.__u6_addr8 |
169 | #define s6_addr16 __u6_addr.__u6_addr16 |
170 | #define s6_addr32 __u6_addr.__u6_addr32 |
171 | #endif |
172 | |
173 | #define INET6_ADDRSTRLEN 46 |
174 | |
175 | /* |
176 | * Socket address for IPv6 |
177 | */ |
178 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) |
179 | #define SIN6_LEN |
180 | #endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */ |
181 | struct sockaddr_in6 { |
182 | __uint8_t sin6_len; /* length of this struct(sa_family_t) */ |
183 | sa_family_t sin6_family; /* AF_INET6 (sa_family_t) */ |
184 | in_port_t sin6_port; /* Transport layer port # (in_port_t) */ |
185 | __uint32_t sin6_flowinfo; /* IP6 flow information */ |
186 | struct in6_addr sin6_addr; /* IP6 address */ |
187 | __uint32_t sin6_scope_id; /* scope zone index */ |
188 | }; |
189 | |
190 | #ifdef KERNEL /* XXX nonstandard */ |
191 | /* |
192 | * Local definition for masks |
193 | */ |
194 | #define IN6MASK0 {{{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }}} |
195 | #define IN6MASK7 {{{ 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ |
196 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}} |
197 | #define IN6MASK8 {{{ 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ |
198 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}} |
199 | #define IN6MASK16 {{{ 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ |
200 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}} |
201 | #define IN6MASK32 {{{ 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, \ |
202 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}} |
203 | #define IN6MASK64 {{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \ |
204 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}} |
205 | #define IN6MASK96 {{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \ |
206 | 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00 }}} |
207 | #define IN6MASK128 {{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \ |
208 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }}} |
209 | #endif |
210 | |
211 | #ifndef XNU_PLATFORM_DriverKit |
212 | |
213 | #ifdef KERNEL /* XXX nonstandard */ |
214 | /* |
215 | * Macros started with IPV6_ADDR is KAME local |
216 | */ |
217 | #if BYTE_ORDER == BIG_ENDIAN |
218 | #define IPV6_ADDR_INT32_ONE 1 |
219 | #define IPV6_ADDR_INT32_TWO 2 |
220 | #define IPV6_ADDR_INT32_MNL 0xff010000 |
221 | #define IPV6_ADDR_INT32_MLL 0xff020000 |
222 | #define IPV6_ADDR_INT32_SMP 0x0000ffff |
223 | #define IPV6_ADDR_INT16_ULL 0xfe80 |
224 | #define IPV6_ADDR_INT16_USL 0xfec0 |
225 | #define IPV6_ADDR_INT16_MLL 0xff02 |
226 | #elif BYTE_ORDER == LITTLE_ENDIAN |
227 | #define IPV6_ADDR_INT32_ONE 0x01000000 |
228 | #define IPV6_ADDR_INT32_TWO 0x02000000 |
229 | #define IPV6_ADDR_INT32_MNL 0x000001ff |
230 | #define IPV6_ADDR_INT32_MLL 0x000002ff |
231 | #define IPV6_ADDR_INT32_SMP 0xffff0000 |
232 | #define IPV6_ADDR_INT16_ULL 0x80fe |
233 | #define IPV6_ADDR_INT16_USL 0xc0fe |
234 | #define IPV6_ADDR_INT16_MLL 0x02ff |
235 | #endif |
236 | #endif |
237 | |
238 | /* |
239 | * Definition of some useful macros to handle IP6 addresses |
240 | */ |
241 | #define IN6ADDR_ANY_INIT \ |
242 | {{{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ |
243 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}} |
244 | #define IN6ADDR_LOOPBACK_INIT \ |
245 | {{{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ |
246 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}} |
247 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) |
248 | #define IN6ADDR_NODELOCAL_ALLNODES_INIT \ |
249 | {{{ 0xff, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ |
250 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}} |
251 | #define IN6ADDR_INTFACELOCAL_ALLNODES_INIT \ |
252 | {{{ 0xff, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ |
253 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}} |
254 | #define IN6ADDR_LINKLOCAL_ALLNODES_INIT \ |
255 | {{{ 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ |
256 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}} |
257 | #define IN6ADDR_LINKLOCAL_ALLROUTERS_INIT \ |
258 | {{{ 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ |
259 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02 }}} |
260 | #define IN6ADDR_LINKLOCAL_ALLV2ROUTERS_INIT \ |
261 | {{{ 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ |
262 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x16 }}} |
263 | #define IN6ADDR_V4MAPPED_INIT \ |
264 | {{{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ |
265 | 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00 }}} |
266 | #define IN6ADDR_MULTICAST_PREFIX IN6MASK8 |
267 | #endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */ |
268 | |
269 | extern const struct in6_addr in6addr_any; |
270 | extern const struct in6_addr in6addr_loopback; |
271 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) |
272 | extern const struct in6_addr in6addr_nodelocal_allnodes; |
273 | extern const struct in6_addr in6addr_linklocal_allnodes; |
274 | extern const struct in6_addr in6addr_linklocal_allrouters; |
275 | extern const struct in6_addr in6addr_linklocal_allv2routers; |
276 | #endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */ |
277 | |
278 | /* |
279 | * Equality |
280 | * NOTE: Some of kernel programming environment (for example, openbsd/sparc) |
281 | * does not supply memcmp(). For userland memcmp() is preferred as it is |
282 | * in ANSI standard. |
283 | */ |
284 | #ifdef KERNEL |
285 | #define IN6_ARE_ADDR_EQUAL(a, b) \ |
286 | (bcmp(&(a)->s6_addr[0], &(b)->s6_addr[0], \ |
287 | sizeof (struct in6_addr)) == 0) |
288 | #else |
289 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) |
290 | #define IN6_ARE_ADDR_EQUAL(a, b) \ |
291 | (memcmp(&(a)->s6_addr[0], &(b)->s6_addr[0], sizeof (struct in6_addr)) \ |
292 | == 0) |
293 | #endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */ |
294 | #endif |
295 | |
296 | #ifdef KERNEL /* non standard */ |
297 | /* see if two addresses are equal in a scope-conscious manner. */ |
298 | #define SA6_ARE_ADDR_EQUAL(a, b) \ |
299 | (((a)->sin6_scope_id == 0 || (b)->sin6_scope_id == 0 || \ |
300 | ((a)->sin6_scope_id == (b)->sin6_scope_id)) && \ |
301 | (bcmp(&(a)->sin6_addr, &(b)->sin6_addr, sizeof (struct in6_addr)) == 0)) |
302 | #endif |
303 | |
304 | /* |
305 | * Unspecified |
306 | */ |
307 | #define IN6_IS_ADDR_UNSPECIFIED(a) \ |
308 | ((*(const __uint32_t *)(const void *)(&(a)->s6_addr[0]) == 0) && \ |
309 | (*(const __uint32_t *)(const void *)(&(a)->s6_addr[4]) == 0) && \ |
310 | (*(const __uint32_t *)(const void *)(&(a)->s6_addr[8]) == 0) && \ |
311 | (*(const __uint32_t *)(const void *)(&(a)->s6_addr[12]) == 0)) |
312 | |
313 | /* |
314 | * Loopback |
315 | */ |
316 | #define IN6_IS_ADDR_LOOPBACK(a) \ |
317 | ((*(const __uint32_t *)(const void *)(&(a)->s6_addr[0]) == 0) && \ |
318 | (*(const __uint32_t *)(const void *)(&(a)->s6_addr[4]) == 0) && \ |
319 | (*(const __uint32_t *)(const void *)(&(a)->s6_addr[8]) == 0) && \ |
320 | (*(const __uint32_t *)(const void *)(&(a)->s6_addr[12]) == ntohl(1))) |
321 | |
322 | /* |
323 | * IPv4 compatible |
324 | */ |
325 | #define IN6_IS_ADDR_V4COMPAT(a) \ |
326 | ((*(const __uint32_t *)(const void *)(&(a)->s6_addr[0]) == 0) && \ |
327 | (*(const __uint32_t *)(const void *)(&(a)->s6_addr[4]) == 0) && \ |
328 | (*(const __uint32_t *)(const void *)(&(a)->s6_addr[8]) == 0) && \ |
329 | (*(const __uint32_t *)(const void *)(&(a)->s6_addr[12]) != 0) && \ |
330 | (*(const __uint32_t *)(const void *)(&(a)->s6_addr[12]) != ntohl(1))) |
331 | |
332 | /* |
333 | * Mapped |
334 | */ |
335 | #define IN6_IS_ADDR_V4MAPPED(a) \ |
336 | ((*(const __uint32_t *)(const void *)(&(a)->s6_addr[0]) == 0) && \ |
337 | (*(const __uint32_t *)(const void *)(&(a)->s6_addr[4]) == 0) && \ |
338 | (*(const __uint32_t *)(const void *)(&(a)->s6_addr[8]) == \ |
339 | ntohl(0x0000ffff))) |
340 | |
341 | /* |
342 | * 6to4 |
343 | */ |
344 | #define IN6_IS_ADDR_6TO4(x) (ntohs((x)->s6_addr16[0]) == 0x2002) |
345 | |
346 | /* |
347 | * KAME Scope Values |
348 | */ |
349 | |
350 | #ifdef KERNEL /* XXX nonstandard */ |
351 | #define IPV6_ADDR_SCOPE_NODELOCAL 0x01 |
352 | #define IPV6_ADDR_SCOPE_INTFACELOCAL 0x01 |
353 | #define IPV6_ADDR_SCOPE_LINKLOCAL 0x02 |
354 | #define IPV6_ADDR_SCOPE_SITELOCAL 0x05 |
355 | #define IPV6_ADDR_SCOPE_ORGLOCAL 0x08 /* just used in this file */ |
356 | #define IPV6_ADDR_SCOPE_GLOBAL 0x0e |
357 | #else |
358 | #define __IPV6_ADDR_SCOPE_NODELOCAL 0x01 |
359 | #define __IPV6_ADDR_SCOPE_INTFACELOCAL 0x01 |
360 | #define __IPV6_ADDR_SCOPE_LINKLOCAL 0x02 |
361 | #define __IPV6_ADDR_SCOPE_SITELOCAL 0x05 |
362 | #define __IPV6_ADDR_SCOPE_ORGLOCAL 0x08 /* just used in this file */ |
363 | #define __IPV6_ADDR_SCOPE_GLOBAL 0x0e |
364 | #endif |
365 | |
366 | /* |
367 | * Unicast Scope |
368 | * Note that we must check topmost 10 bits only, not 16 bits (see RFC2373). |
369 | */ |
370 | #define IN6_IS_ADDR_LINKLOCAL(a) \ |
371 | (((a)->s6_addr[0] == 0xfe) && (((a)->s6_addr[1] & 0xc0) == 0x80)) |
372 | #define IN6_IS_ADDR_SITELOCAL(a) \ |
373 | (((a)->s6_addr[0] == 0xfe) && (((a)->s6_addr[1] & 0xc0) == 0xc0)) |
374 | |
375 | /* |
376 | * Multicast |
377 | */ |
378 | #define IN6_IS_ADDR_MULTICAST(a) ((a)->s6_addr[0] == 0xff) |
379 | |
380 | #define IPV6_ADDR_MC_FLAGS(a) ((a)->s6_addr[1] & 0xf0) |
381 | |
382 | #define IPV6_ADDR_MC_FLAGS_TRANSIENT 0x10 |
383 | #define IPV6_ADDR_MC_FLAGS_PREFIX 0x20 |
384 | #define IPV6_ADDR_MC_FLAGS_UNICAST_BASED (IPV6_ADDR_MC_FLAGS_TRANSIENT | IPV6_ADDR_MC_FLAGS_PREFIX) |
385 | |
386 | #define IN6_IS_ADDR_UNICAST_BASED_MULTICAST(a) \ |
387 | (IN6_IS_ADDR_MULTICAST(a) && \ |
388 | (IPV6_ADDR_MC_FLAGS(a) == IPV6_ADDR_MC_FLAGS_UNICAST_BASED)) |
389 | |
390 | /* |
391 | * Unique Local IPv6 Unicast Addresses (per RFC 4193) |
392 | */ |
393 | #define IN6_IS_ADDR_UNIQUE_LOCAL(a) \ |
394 | (((a)->s6_addr[0] == 0xfc) || ((a)->s6_addr[0] == 0xfd)) |
395 | |
396 | #ifdef KERNEL /* XXX nonstandard */ |
397 | #define IPV6_ADDR_MC_SCOPE(a) ((a)->s6_addr[1] & 0x0f) |
398 | #else |
399 | #define __IPV6_ADDR_MC_SCOPE(a) ((a)->s6_addr[1] & 0x0f) |
400 | #endif |
401 | |
402 | /* |
403 | * Multicast Scope |
404 | */ |
405 | #ifdef KERNEL /* refers nonstandard items */ |
406 | #define IN6_IS_ADDR_MC_UNICAST_BASED_LINKLOCAL(a) \ |
407 | (IN6_IS_ADDR_MULTICAST(a) && \ |
408 | (IPV6_ADDR_MC_FLAGS(a) == IPV6_ADDR_MC_FLAGS_UNICAST_BASED) && \ |
409 | (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_LINKLOCAL)) |
410 | #define IN6_IS_ADDR_MC_NODELOCAL(a) \ |
411 | (IN6_IS_ADDR_MULTICAST(a) && \ |
412 | (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_NODELOCAL)) |
413 | #define IN6_IS_ADDR_MC_INTFACELOCAL(a) \ |
414 | (IN6_IS_ADDR_MULTICAST(a) && \ |
415 | (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_INTFACELOCAL)) |
416 | #define IN6_IS_ADDR_MC_LINKLOCAL(a) \ |
417 | (IN6_IS_ADDR_MULTICAST(a) && \ |
418 | (IPV6_ADDR_MC_FLAGS(a) != IPV6_ADDR_MC_FLAGS_UNICAST_BASED) && \ |
419 | (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_LINKLOCAL)) |
420 | #define IN6_IS_ADDR_MC_SITELOCAL(a) \ |
421 | (IN6_IS_ADDR_MULTICAST(a) && \ |
422 | (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_SITELOCAL)) |
423 | #define IN6_IS_ADDR_MC_ORGLOCAL(a) \ |
424 | (IN6_IS_ADDR_MULTICAST(a) && \ |
425 | (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_ORGLOCAL)) |
426 | #define IN6_IS_ADDR_MC_GLOBAL(a) \ |
427 | (IN6_IS_ADDR_MULTICAST(a) && \ |
428 | (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_GLOBAL)) |
429 | #else |
430 | #define IN6_IS_ADDR_MC_NODELOCAL(a) \ |
431 | (IN6_IS_ADDR_MULTICAST(a) && \ |
432 | (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_NODELOCAL)) |
433 | #define IN6_IS_ADDR_MC_LINKLOCAL(a) \ |
434 | (IN6_IS_ADDR_MULTICAST(a) && \ |
435 | (IPV6_ADDR_MC_FLAGS(a) != IPV6_ADDR_MC_FLAGS_UNICAST_BASED) && \ |
436 | (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_LINKLOCAL)) |
437 | #define IN6_IS_ADDR_MC_SITELOCAL(a) \ |
438 | (IN6_IS_ADDR_MULTICAST(a) && \ |
439 | (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_SITELOCAL)) |
440 | #define IN6_IS_ADDR_MC_ORGLOCAL(a) \ |
441 | (IN6_IS_ADDR_MULTICAST(a) && \ |
442 | (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_ORGLOCAL)) |
443 | #define IN6_IS_ADDR_MC_GLOBAL(a) \ |
444 | (IN6_IS_ADDR_MULTICAST(a) && \ |
445 | (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_GLOBAL)) |
446 | #endif |
447 | |
448 | #ifdef KERNEL /* nonstandard */ |
449 | /* |
450 | * KAME Scope |
451 | */ |
452 | #define IN6_IS_SCOPE_LINKLOCAL(a) \ |
453 | ((IN6_IS_ADDR_LINKLOCAL(a)) || \ |
454 | (IN6_IS_ADDR_MC_LINKLOCAL(a))) |
455 | |
456 | #define IN6_IS_SCOPE_EMBED(a) \ |
457 | ((IN6_IS_ADDR_LINKLOCAL(a)) || \ |
458 | (IN6_IS_ADDR_MC_LINKLOCAL(a)) || \ |
459 | (IN6_IS_ADDR_MC_INTFACELOCAL(a))) |
460 | |
461 | #define IFA6_IS_DEPRECATED(a, t) \ |
462 | ((a)->ia6_lifetime.ia6ti_preferred != 0 && \ |
463 | (a)->ia6_lifetime.ia6ti_preferred < (t)) |
464 | #define IFA6_IS_INVALID(a, t) \ |
465 | ((a)->ia6_lifetime.ia6ti_expire != 0 && \ |
466 | (a)->ia6_lifetime.ia6ti_expire < (t)) |
467 | #endif /* KERNEL */ |
468 | |
469 | /* |
470 | * Options for use with [gs]etsockopt at the IPV6 level. |
471 | * First word of comment is data type; bool is stored in int. |
472 | */ |
473 | /* no hdrincl */ |
474 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) |
475 | /* |
476 | * RFC 3542 define the following socket options in a manner incompatible |
477 | * with RFC 2292: |
478 | * IPV6_PKTINFO |
479 | * IPV6_HOPLIMIT |
480 | * IPV6_NEXTHOP |
481 | * IPV6_HOPOPTS |
482 | * IPV6_DSTOPTS |
483 | * IPV6_RTHDR |
484 | * |
485 | * To use the new IPv6 Sockets options introduced by RFC 3542 |
486 | * the constant __APPLE_USE_RFC_3542 must be defined before |
487 | * including <netinet/in.h> |
488 | * |
489 | * To use the old IPv6 Sockets options from RFC 2292 |
490 | * the constant __APPLE_USE_RFC_2292 must be defined before |
491 | * including <netinet/in.h> |
492 | * |
493 | * Note that eventually RFC 3542 is going to be the |
494 | * default and RFC 2292 will be obsolete. |
495 | */ |
496 | #ifdef BSD_KERNEL_PRIVATE |
497 | #define __APPLE_USE_RFC_3542 1 |
498 | #endif /* BSD_KERNEL_PRIVATE */ |
499 | |
500 | #if defined(__APPLE_USE_RFC_3542) && defined(__APPLE_USE_RFC_2292) |
501 | #error "__APPLE_USE_RFC_3542 and __APPLE_USE_RFC_2292 cannot be both defined" |
502 | #endif |
503 | |
504 | #if 0 /* the followings are relic in IPv4 and hence are disabled */ |
505 | #define IPV6_OPTIONS 1 /* buf/ip6_opts; set/get IP6 options */ |
506 | #define IPV6_RECVOPTS 5 /* bool; receive all IP6 opts w/dgram */ |
507 | #define IPV6_RECVRETOPTS 6 /* bool; receive IP6 opts for response */ |
508 | #define IPV6_RECVDSTADDR 7 /* bool; receive IP6 dst addr w/dgram */ |
509 | #define IPV6_RETOPTS 8 /* ip6_opts; set/get IP6 options */ |
510 | #endif /* 0 */ |
511 | #define IPV6_SOCKOPT_RESERVED1 3 /* reserved for future use */ |
512 | #endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */ |
513 | #define IPV6_UNICAST_HOPS 4 /* int; IP6 hops */ |
514 | #define IPV6_MULTICAST_IF 9 /* u_int; set/get IP6 multicast i/f */ |
515 | #define IPV6_MULTICAST_HOPS 10 /* int; set/get IP6 multicast hops */ |
516 | #define IPV6_MULTICAST_LOOP 11 /* u_int; set/get IP6 mcast loopback */ |
517 | #define IPV6_JOIN_GROUP 12 /* ip6_mreq; join a group membership */ |
518 | #define IPV6_LEAVE_GROUP 13 /* ip6_mreq; leave a group membership */ |
519 | |
520 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) |
521 | #define IPV6_PORTRANGE 14 /* int; range to choose for unspec port */ |
522 | #define ICMP6_FILTER 18 /* icmp6_filter; icmp6 filter */ |
523 | #define IPV6_2292PKTINFO 19 /* bool; send/recv if, src/dst addr */ |
524 | #define IPV6_2292HOPLIMIT 20 /* bool; hop limit */ |
525 | #define IPV6_2292NEXTHOP 21 /* bool; next hop addr */ |
526 | #define IPV6_2292HOPOPTS 22 /* bool; hop-by-hop option */ |
527 | #define IPV6_2292DSTOPTS 23 /* bool; destinaion option */ |
528 | #define IPV6_2292RTHDR 24 /* ip6_rthdr: routing header */ |
529 | |
530 | /* buf/cmsghdr; set/get IPv6 options [obsoleted by RFC3542] */ |
531 | #define IPV6_2292PKTOPTIONS 25 |
532 | |
533 | #ifdef __APPLE_USE_RFC_2292 |
534 | #define IPV6_PKTINFO IPV6_2292PKTINFO |
535 | #define IPV6_HOPLIMIT IPV6_2292HOPLIMIT |
536 | #define IPV6_NEXTHOP IPV6_2292NEXTHOP |
537 | #define IPV6_HOPOPTS IPV6_2292HOPOPTS |
538 | #define IPV6_DSTOPTS IPV6_2292DSTOPTS |
539 | #define IPV6_RTHDR IPV6_2292RTHDR |
540 | #define IPV6_PKTOPTIONS IPV6_2292PKTOPTIONS |
541 | #endif /* __APPLE_USE_RFC_2292 */ |
542 | |
543 | #define IPV6_CHECKSUM 26 /* int; checksum offset for raw socket */ |
544 | #endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */ |
545 | #define IPV6_V6ONLY 27 /* bool; only bind INET6 at wildcard bind */ |
546 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) |
547 | #ifndef KERNEL |
548 | #define IPV6_BINDV6ONLY IPV6_V6ONLY |
549 | #endif /* KERNEL */ |
550 | |
551 | |
552 | #if 1 /* IPSEC */ |
553 | #define IPV6_IPSEC_POLICY 28 /* struct; get/set security policy */ |
554 | #endif /* 1 */ |
555 | #define IPV6_FAITH 29 /* deprecated */ |
556 | |
557 | #if 1 /* IPV6FIREWALL */ |
558 | #define IPV6_FW_ADD 30 /* add a firewall rule to chain */ |
559 | #define IPV6_FW_DEL 31 /* delete a firewall rule from chain */ |
560 | #define IPV6_FW_FLUSH 32 /* flush firewall rule chain */ |
561 | #define IPV6_FW_ZERO 33 /* clear single/all firewall counter(s) */ |
562 | #define IPV6_FW_GET 34 /* get entire firewall rule chain */ |
563 | #endif /* 1 */ |
564 | |
565 | /* |
566 | * APPLE: NOTE the value of those 2 options is kept unchanged from |
567 | * previous version of darwin/OS X for binary compatibility reasons |
568 | * and differ from FreeBSD (values 57 and 61). See below. |
569 | */ |
570 | #define IPV6_RECVTCLASS 35 /* bool; recv traffic class values */ |
571 | #define IPV6_TCLASS 36 /* int; send traffic class value */ |
572 | |
573 | #ifdef __APPLE_USE_RFC_3542 |
574 | /* new socket options introduced in RFC3542 */ |
575 | /* |
576 | * ip6_dest; send dst option before rthdr |
577 | * APPLE: Value purposely different than FreeBSD (35) to avoid |
578 | * collision with definition of IPV6_RECVTCLASS in previous |
579 | * darwin implementations |
580 | */ |
581 | #define IPV6_RTHDRDSTOPTS 57 |
582 | |
583 | /* |
584 | * bool; recv if, dst addr |
585 | * APPLE: Value purposely different than FreeBSD(36) to avoid |
586 | * collision with definition of IPV6_TCLASS in previous |
587 | * darwin implementations |
588 | */ |
589 | #define IPV6_RECVPKTINFO 61 |
590 | |
591 | #define IPV6_RECVHOPLIMIT 37 /* bool; recv hop limit */ |
592 | #define IPV6_RECVRTHDR 38 /* bool; recv routing header */ |
593 | #define IPV6_RECVHOPOPTS 39 /* bool; recv hop-by-hop option */ |
594 | #define IPV6_RECVDSTOPTS 40 /* bool; recv dst option after rthdr */ |
595 | #ifdef KERNEL |
596 | #define IPV6_RECVRTHDRDSTOPTS 41 /* bool; recv dst option before rthdr */ |
597 | #endif |
598 | |
599 | #define IPV6_USE_MIN_MTU 42 /* bool; send packets at the minimum MTU */ |
600 | #define IPV6_RECVPATHMTU 43 /* bool; notify an according MTU */ |
601 | |
602 | /* |
603 | * mtuinfo; get the current path MTU (sopt), 4 bytes int; |
604 | * MTU notification (cmsg) |
605 | */ |
606 | #define IPV6_PATHMTU 44 |
607 | |
608 | #if 0 /* obsoleted during 2292bis -> 3542 */ |
609 | /* no data; ND reachability confirm (cmsg only/not in of RFC3542) */ |
610 | #define IPV6_REACHCONF 45 |
611 | #endif |
612 | /* more new socket options introduced in RFC3542 */ |
613 | #define IPV6_3542PKTINFO 46 /* in6_pktinfo; send if, src addr */ |
614 | #define IPV6_3542HOPLIMIT 47 /* int; send hop limit */ |
615 | #define IPV6_3542NEXTHOP 48 /* sockaddr; next hop addr */ |
616 | #define IPV6_3542HOPOPTS 49 /* ip6_hbh; send hop-by-hop option */ |
617 | #define IPV6_3542DSTOPTS 50 /* ip6_dest; send dst option befor rthdr */ |
618 | #define IPV6_3542RTHDR 51 /* ip6_rthdr; send routing header */ |
619 | |
620 | #define IPV6_PKTINFO IPV6_3542PKTINFO |
621 | #define IPV6_HOPLIMIT IPV6_3542HOPLIMIT |
622 | #define IPV6_NEXTHOP IPV6_3542NEXTHOP |
623 | #define IPV6_HOPOPTS IPV6_3542HOPOPTS |
624 | #define IPV6_DSTOPTS IPV6_3542DSTOPTS |
625 | #define IPV6_RTHDR IPV6_3542RTHDR |
626 | |
627 | #define IPV6_AUTOFLOWLABEL 59 /* bool; attach flowlabel automagically */ |
628 | |
629 | #define IPV6_DONTFRAG 62 /* bool; disable IPv6 fragmentation */ |
630 | |
631 | /* int; prefer temporary addresses as the source address. */ |
632 | #define IPV6_PREFER_TEMPADDR 63 |
633 | |
634 | /* |
635 | * The following option is private; do not use it from user applications. |
636 | * It is deliberately defined to the same value as IP_MSFILTER. |
637 | */ |
638 | #define IPV6_MSFILTER 74 /* struct __msfilterreq; */ |
639 | #endif /* __APPLE_USE_RFC_3542 */ |
640 | |
641 | #define IPV6_BOUND_IF 125 /* int; set/get bound interface */ |
642 | |
643 | /* to define items, should talk with KAME guys first, for *BSD compatibility */ |
644 | |
645 | #define IPV6_RTHDR_LOOSE 0 /* this hop need not be a neighbor. */ |
646 | #define IPV6_RTHDR_STRICT 1 /* this hop must be a neighbor. */ |
647 | #define IPV6_RTHDR_TYPE_0 0 /* IPv6 routing header type 0 */ |
648 | |
649 | /* |
650 | * Defaults and limits for options |
651 | */ |
652 | #define IPV6_DEFAULT_MULTICAST_HOPS 1 /* normally limit m'casts to 1 hop */ |
653 | #define IPV6_DEFAULT_MULTICAST_LOOP 1 /* normally hear sends if a member */ |
654 | |
655 | /* |
656 | * The im6o_membership vector for each socket is now dynamically allocated at |
657 | * run-time, bounded by USHRT_MAX, and is reallocated when needed, sized |
658 | * according to a power-of-two increment. |
659 | */ |
660 | #define IPV6_MIN_MEMBERSHIPS 31 |
661 | #define IPV6_MAX_MEMBERSHIPS 4095 |
662 | |
663 | /* |
664 | * Default resource limits for IPv6 multicast source filtering. |
665 | * These may be modified by sysctl. |
666 | */ |
667 | #define IPV6_MAX_GROUP_SRC_FILTER 512 /* sources per group */ |
668 | #define IPV6_MAX_SOCK_SRC_FILTER 128 /* sources per socket/group */ |
669 | |
670 | /* |
671 | * Argument structure for IPV6_JOIN_GROUP and IPV6_LEAVE_GROUP. |
672 | */ |
673 | struct ipv6_mreq { |
674 | struct in6_addr ipv6mr_multiaddr; |
675 | unsigned int ipv6mr_interface; |
676 | }; |
677 | |
678 | /* |
679 | * IPV6_2292PKTINFO: Packet information(RFC2292 sec 5) |
680 | */ |
681 | struct in6_pktinfo { |
682 | struct in6_addr ipi6_addr; /* src/dst IPv6 address */ |
683 | unsigned int ipi6_ifindex; /* send/recv interface index */ |
684 | }; |
685 | |
686 | /* |
687 | * Control structure for IPV6_RECVPATHMTU socket option. |
688 | */ |
689 | struct ip6_mtuinfo { |
690 | struct sockaddr_in6 ip6m_addr; /* or sockaddr_storage? */ |
691 | uint32_t ip6m_mtu; |
692 | }; |
693 | |
694 | /* |
695 | * Argument for IPV6_PORTRANGE: |
696 | * - which range to search when port is unspecified at bind() or connect() |
697 | */ |
698 | #define IPV6_PORTRANGE_DEFAULT 0 /* default range */ |
699 | #define IPV6_PORTRANGE_HIGH 1 /* "high" - request firewall bypass */ |
700 | #define IPV6_PORTRANGE_LOW 2 /* "low" - vouchsafe security */ |
701 | |
702 | /* |
703 | * Definitions for inet6 sysctl operations. |
704 | * |
705 | * Third level is protocol number. |
706 | * Fourth level is desired variable within that protocol. |
707 | */ |
708 | #define IPV6PROTO_MAXID (IPPROTO_PIM + 1) /* don't list to IPV6PROTO_MAX */ |
709 | |
710 | /* |
711 | * Names for IP sysctl objects |
712 | */ |
713 | #define IPV6CTL_FORWARDING 1 /* act as router */ |
714 | #define IPV6CTL_SENDREDIRECTS 2 /* may send redirects when forwarding */ |
715 | #define IPV6CTL_DEFHLIM 3 /* default Hop-Limit */ |
716 | #ifdef notyet |
717 | #define IPV6CTL_DEFMTU 4 /* default MTU */ |
718 | #endif |
719 | #define IPV6CTL_FORWSRCRT 5 /* forward source-routed dgrams */ |
720 | #define IPV6CTL_STATS 6 /* stats */ |
721 | #define IPV6CTL_MRTSTATS 7 /* multicast forwarding stats */ |
722 | #define IPV6CTL_MRTPROTO 8 /* multicast routing protocol */ |
723 | #define IPV6CTL_MAXFRAGPACKETS 9 /* max packets reassembly queue */ |
724 | #define IPV6CTL_SOURCECHECK 10 /* verify source route and intf */ |
725 | #define IPV6CTL_SOURCECHECK_LOGINT 11 /* minimume logging interval */ |
726 | #define IPV6CTL_ACCEPT_RTADV 12 |
727 | #define IPV6CTL_KEEPFAITH 13 /* deprecated */ |
728 | #define IPV6CTL_LOG_INTERVAL 14 |
729 | #define IPV6CTL_HDRNESTLIMIT 15 |
730 | #define IPV6CTL_DAD_COUNT 16 |
731 | #define IPV6CTL_AUTO_FLOWLABEL 17 |
732 | #define IPV6CTL_DEFMCASTHLIM 18 |
733 | #define IPV6CTL_GIF_HLIM 19 /* default HLIM for gif encap packet */ |
734 | #define IPV6CTL_KAME_VERSION 20 |
735 | #define IPV6CTL_USE_DEPRECATED 21 /* use deprec addr (RFC2462 5.5.4) */ |
736 | #define IPV6CTL_RR_PRUNE 22 /* walk timer for router renumbering */ |
737 | #if 0 /* obsolete */ |
738 | #define IPV6CTL_MAPPED_ADDR 23 |
739 | #endif |
740 | #define IPV6CTL_V6ONLY 24 |
741 | #define IPV6CTL_RTEXPIRE 25 /* cloned route expiration time */ |
742 | #define IPV6CTL_RTMINEXPIRE 26 /* min value for expiration time */ |
743 | #define IPV6CTL_RTMAXCACHE 27 /* trigger level for dynamic expire */ |
744 | |
745 | #define IPV6CTL_USETEMPADDR 32 /* use temporary addresses [RFC 4941] */ |
746 | #define IPV6CTL_TEMPPLTIME 33 /* preferred lifetime for tmpaddrs */ |
747 | #define IPV6CTL_TEMPVLTIME 34 /* valid lifetime for tmpaddrs */ |
748 | #define IPV6CTL_AUTO_LINKLOCAL 35 /* automatic link-local addr assign */ |
749 | #define IPV6CTL_RIP6STATS 36 /* raw_ip6 stats */ |
750 | #define IPV6CTL_PREFER_TEMPADDR 37 /* prefer temporary addr as src */ |
751 | #define IPV6CTL_ADDRCTLPOLICY 38 /* get/set address selection policy */ |
752 | #define IPV6CTL_USE_DEFAULTZONE 39 /* use default scope zone */ |
753 | |
754 | #define IPV6CTL_MAXFRAGS 41 /* max fragments */ |
755 | #define IPV6CTL_MCAST_PMTU 44 /* enable pMTU discovery for mcast? */ |
756 | |
757 | #define IPV6CTL_NEIGHBORGCTHRESH 46 |
758 | #define IPV6CTL_MAXIFPREFIXES 47 |
759 | #define IPV6CTL_MAXIFDEFROUTERS 48 |
760 | #define IPV6CTL_MAXDYNROUTES 49 |
761 | #define ICMPV6CTL_ND6_ONLINKNSRFC4861 50 |
762 | #define IPV6CTL_ULA_USETEMPADDR 51 |
763 | |
764 | |
765 | /* New entries should be added here from current IPV6CTL_MAXID value. */ |
766 | /* to define items, should talk with KAME guys first, for *BSD compatibility */ |
767 | #define IPV6CTL_MAXID 51 |
768 | |
769 | #ifndef KERNEL |
770 | __BEGIN_DECLS |
771 | struct cmsghdr; |
772 | |
773 | extern int inet6_option_space(int); |
774 | extern int inet6_option_init(void *, struct cmsghdr **, int); |
775 | extern int inet6_option_append(struct cmsghdr *, const __uint8_t *, int, int); |
776 | extern __uint8_t *inet6_option_alloc(struct cmsghdr *, int, int, int); |
777 | extern int inet6_option_next(const struct cmsghdr *, __uint8_t **); |
778 | extern int inet6_option_find(const struct cmsghdr *, __uint8_t **, int); |
779 | |
780 | extern size_t inet6_rthdr_space(int, int); |
781 | extern struct cmsghdr *inet6_rthdr_init(void *, int); |
782 | extern int inet6_rthdr_add(struct cmsghdr *, const struct in6_addr *, |
783 | unsigned int); |
784 | extern int inet6_rthdr_lasthop(struct cmsghdr *, unsigned int); |
785 | #if 0 /* not implemented yet */ |
786 | extern int inet6_rthdr_reverse(const struct cmsghdr *, struct cmsghdr *); |
787 | #endif |
788 | extern int inet6_rthdr_segments(const struct cmsghdr *); |
789 | extern struct in6_addr *inet6_rthdr_getaddr(struct cmsghdr *, int); |
790 | extern int inet6_rthdr_getflags(const struct cmsghdr *, int); |
791 | |
792 | extern int inet6_opt_init(void *, socklen_t); |
793 | extern int inet6_opt_append(void *, socklen_t, int, __uint8_t, socklen_t, |
794 | __uint8_t, void **); |
795 | extern int inet6_opt_finish(void *, socklen_t, int); |
796 | extern int inet6_opt_set_val(void *, int, void *, socklen_t); |
797 | |
798 | extern int inet6_opt_next(void *, socklen_t, int, __uint8_t *, socklen_t *, |
799 | void **); |
800 | extern int inet6_opt_find(void *, socklen_t, int, __uint8_t, socklen_t *, |
801 | void **); |
802 | extern int inet6_opt_get_val(void *, int, void *, socklen_t); |
803 | extern socklen_t inet6_rth_space(int, int); |
804 | extern void *inet6_rth_init(void *, socklen_t, int, int); |
805 | extern int inet6_rth_add(void *, const struct in6_addr *); |
806 | extern int inet6_rth_reverse(const void *, void *); |
807 | extern int inet6_rth_segments(const void *); |
808 | extern struct in6_addr *inet6_rth_getaddr(const void *, int); |
809 | |
810 | __END_DECLS |
811 | #endif /* !KERNEL */ |
812 | #endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */ |
813 | #endif /* XNU_PLATFORM_DriverKit */ |
814 | #endif /* !_NETINET6_IN6_H_ */ |
815 | |