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Root/tags/2.0/i386/include/netinet6/in6.h

Source at commit 1808 created 12 years 4 months ago.
By blackosx, Revise layout of package installer 'Welcome' file so it looks cleaner. Change the copyright notice to begin from 2009 as seen in the Chameleon 2.0 r431 installer. Should this date be set earlier?
1/*␊
2 * Copyright (c) 2008 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/*␉$FreeBSD: src/sys/netinet6/in6.h,v 1.7.2.4 2001/07/04 09:45:23 ume Exp $␉*/␊
30/*␉$KAME: in6.h,v 1.89 2001/05/27 13:28:35 itojun Exp $␉*/␊
31␊
32/*␊
33 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.␊
34 * All rights reserved.␊
35 *␊
36 * Redistribution and use in source and binary forms, with or without␊
37 * modification, are permitted provided that the following conditions␊
38 * are met:␊
39 * 1. Redistributions of source code must retain the above copyright␊
40 * notice, this list of conditions and the following disclaimer.␊
41 * 2. Redistributions in binary form must reproduce the above copyright␊
42 * notice, this list of conditions and the following disclaimer in the␊
43 * documentation and/or other materials provided with the distribution.␊
44 * 3. Neither the name of the project nor the names of its contributors␊
45 * may be used to endorse or promote products derived from this software␊
46 * without specific prior written permission.␊
47 *␊
48 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND␊
49 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE␊
50 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE␊
51 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE␊
52 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL␊
53 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS␊
54 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)␊
55 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT␊
56 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY␊
57 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF␊
58 * SUCH DAMAGE.␊
59 */␊
60␊
61/*␊
62 * Copyright (c) 1982, 1986, 1990, 1993␊
63 *␉The Regents of the University of California. All rights reserved.␊
64 *␊
65 * Redistribution and use in source and binary forms, with or without␊
66 * modification, are permitted provided that the following conditions␊
67 * are met:␊
68 * 1. Redistributions of source code must retain the above copyright␊
69 * notice, this list of conditions and the following disclaimer.␊
70 * 2. Redistributions in binary form must reproduce the above copyright␊
71 * notice, this list of conditions and the following disclaimer in the␊
72 * documentation and/or other materials provided with the distribution.␊
73 * 3. All advertising materials mentioning features or use of this software␊
74 * must display the following acknowledgement:␊
75 *␉This product includes software developed by the University of␊
76 *␉California, Berkeley and its contributors.␊
77 * 4. Neither the name of the University nor the names of its contributors␊
78 * may be used to endorse or promote products derived from this software␊
79 * without specific prior written permission.␊
80 *␊
81 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND␊
82 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE␊
83 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE␊
84 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE␊
85 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL␊
86 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS␊
87 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)␊
88 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT␊
89 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY␊
90 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF␊
91 * SUCH DAMAGE.␊
92 *␊
93 *␉@(#)in.h␉8.3 (Berkeley) 1/3/94␊
94 */␊
95␊
96#ifndef __KAME_NETINET_IN_H_INCLUDED_␊
97#error "do not include netinet6/in6.h directly, include netinet/in.h. see RFC2553"␊
98#endif␊
99␊
100#ifndef _NETINET6_IN6_H_␊
101#define _NETINET6_IN6_H_␊
102#include <sys/appleapiopts.h>␊
103#include <sys/_types.h>␊
104␊
105␊
106#ifndef _SA_FAMILY_T␊
107#define _SA_FAMILY_T␊
108typedef __uint8_t␉␉sa_family_t;␊
109#endif␊
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␉␉"20010528/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 */␊
158struct 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};␊
165␊
166#define s6_addr __u6_addr.__u6_addr8␊
167␊
168#define INET6_ADDRSTRLEN␉46␊
169␊
170/*␊
171 * Socket address for IPv6␊
172 */␊
173#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)␊
174#define SIN6_LEN␊
175#endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */␊
176struct sockaddr_in6 {␊
177␉__uint8_t␉sin6_len;␉/* length of this struct(sa_family_t)*/␊
178␉sa_family_t␉sin6_family;␉/* AF_INET6 (sa_family_t) */␊
179␉in_port_t␉sin6_port;␉/* Transport layer port # (in_port_t)*/␊
180␉__uint32_t␉sin6_flowinfo;␉/* IP6 flow information */␊
181␉struct in6_addr␉sin6_addr;␉/* IP6 address */␊
182␉__uint32_t␉sin6_scope_id;␉/* scope zone index */␊
183};␊
184␊
185␊
186␊
187␊
188/*␊
189 * Definition of some useful macros to handle IP6 addresses␊
190 */␊
191#define IN6ADDR_ANY_INIT \␊
192␉{{{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \␊
193␉ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}}␊
194#define IN6ADDR_LOOPBACK_INIT \␊
195␉{{{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \␊
196␉ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}}␊
197#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)␊
198#define IN6ADDR_NODELOCAL_ALLNODES_INIT \␊
199␉{{{ 0xff, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \␊
200␉ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}}␊
201#define IN6ADDR_LINKLOCAL_ALLNODES_INIT \␊
202␉{{{ 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \␊
203␉ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}}␊
204#define IN6ADDR_LINKLOCAL_ALLROUTERS_INIT \␊
205␉{{{ 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \␊
206␉ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02 }}}␊
207#endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */␊
208␊
209extern const struct in6_addr in6addr_any;␊
210extern const struct in6_addr in6addr_loopback;␊
211#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)␊
212extern const struct in6_addr in6addr_nodelocal_allnodes;␊
213extern const struct in6_addr in6addr_linklocal_allnodes;␊
214extern const struct in6_addr in6addr_linklocal_allrouters;␊
215#endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */␊
216␊
217/*␊
218 * Equality␊
219 * NOTE: Some of kernel programming environment (for example, openbsd/sparc)␊
220 * does not supply memcmp(). For userland memcmp() is preferred as it is␊
221 * in ANSI standard.␊
222 */␊
223#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)␊
224#define IN6_ARE_ADDR_EQUAL(a, b)␉␉␉\␊
225 (memcmp(&(a)->s6_addr[0], &(b)->s6_addr[0], sizeof(struct in6_addr)) == 0)␊
226#endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */␊
227␊
228␊
229/*␊
230 * Unspecified␊
231 */␊
232#define IN6_IS_ADDR_UNSPECIFIED(a)␉\␊
233␉((*(const __uint32_t *)(const void *)(&(a)->s6_addr[0]) == 0) && \␊
234␉ (*(const __uint32_t *)(const void *)(&(a)->s6_addr[4]) == 0) && \␊
235␉ (*(const __uint32_t *)(const void *)(&(a)->s6_addr[8]) == 0) && \␊
236␉ (*(const __uint32_t *)(const void *)(&(a)->s6_addr[12]) == 0))␊
237␊
238/*␊
239 * Loopback␊
240 */␊
241#define IN6_IS_ADDR_LOOPBACK(a)␉␉\␊
242␉((*(const __uint32_t *)(const void *)(&(a)->s6_addr[0]) == 0) && \␊
243␉ (*(const __uint32_t *)(const void *)(&(a)->s6_addr[4]) == 0) && \␊
244␉ (*(const __uint32_t *)(const void *)(&(a)->s6_addr[8]) == 0) && \␊
245␉ (*(const __uint32_t *)(const void *)(&(a)->s6_addr[12]) == ntohl(1)))␊
246␊
247/*␊
248 * IPv4 compatible␊
249 */␊
250#define IN6_IS_ADDR_V4COMPAT(a)␉␉\␊
251␉((*(const __uint32_t *)(const void *)(&(a)->s6_addr[0]) == 0) && \␊
252␉ (*(const __uint32_t *)(const void *)(&(a)->s6_addr[4]) == 0) && \␊
253␉ (*(const __uint32_t *)(const void *)(&(a)->s6_addr[8]) == 0) && \␊
254␉ (*(const __uint32_t *)(const void *)(&(a)->s6_addr[12]) != 0) && \␊
255␉ (*(const __uint32_t *)(const void *)(&(a)->s6_addr[12]) != ntohl(1)))␊
256␊
257/*␊
258 * Mapped␊
259 */␊
260#define IN6_IS_ADDR_V4MAPPED(a)␉␉ \␊
261␉((*(const __uint32_t *)(const void *)(&(a)->s6_addr[0]) == 0) && \␊
262␉ (*(const __uint32_t *)(const void *)(&(a)->s6_addr[4]) == 0) && \␊
263␉ (*(const __uint32_t *)(const void *)(&(a)->s6_addr[8]) == ntohl(0x0000ffff)))␊
264␊
265/*␊
266 * KAME Scope Values␊
267 */␊
268␊
269#define __IPV6_ADDR_SCOPE_NODELOCAL␉0x01␊
270#define __IPV6_ADDR_SCOPE_LINKLOCAL␉0x02␊
271#define __IPV6_ADDR_SCOPE_SITELOCAL␉0x05␊
272#define __IPV6_ADDR_SCOPE_ORGLOCAL␉0x08␉/* just used in this file */␊
273#define __IPV6_ADDR_SCOPE_GLOBAL␉0x0e␊
274␊
275/*␊
276 * Unicast Scope␊
277 * Note that we must check topmost 10 bits only, not 16 bits (see RFC2373).␊
278 */␊
279#define IN6_IS_ADDR_LINKLOCAL(a)␉\␊
280␉(((a)->s6_addr[0] == 0xfe) && (((a)->s6_addr[1] & 0xc0) == 0x80))␊
281#define IN6_IS_ADDR_SITELOCAL(a)␉\␊
282␉(((a)->s6_addr[0] == 0xfe) && (((a)->s6_addr[1] & 0xc0) == 0xc0))␊
283␊
284/*␊
285 * Multicast␊
286 */␊
287#define IN6_IS_ADDR_MULTICAST(a)␉((a)->s6_addr[0] == 0xff)␊
288␊
289#define __IPV6_ADDR_MC_SCOPE(a)␉␉((a)->s6_addr[1] & 0x0f)␊
290␊
291/*␊
292 * Multicast Scope␊
293 */␊
294#define IN6_IS_ADDR_MC_NODELOCAL(a)␉\␊
295␉(IN6_IS_ADDR_MULTICAST(a) &&␉\␊
296␉ (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_NODELOCAL))␊
297#define IN6_IS_ADDR_MC_LINKLOCAL(a)␉\␊
298␉(IN6_IS_ADDR_MULTICAST(a) &&␉\␊
299␉ (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_LINKLOCAL))␊
300#define IN6_IS_ADDR_MC_SITELOCAL(a)␉\␊
301␉(IN6_IS_ADDR_MULTICAST(a) && ␉\␊
302␉ (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_SITELOCAL))␊
303#define IN6_IS_ADDR_MC_ORGLOCAL(a)␉\␊
304␉(IN6_IS_ADDR_MULTICAST(a) &&␉\␊
305␉ (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_ORGLOCAL))␊
306#define IN6_IS_ADDR_MC_GLOBAL(a)␉\␊
307␉(IN6_IS_ADDR_MULTICAST(a) &&␉\␊
308␉ (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_GLOBAL))␊
309␊
310␊
311/*␊
312 * IP6 route structure␊
313 */␊
314#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)␊
315#endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */␊
316␊
317/*␊
318 * Options for use with [gs]etsockopt at the IPV6 level.␊
319 * First word of comment is data type; bool is stored in int.␊
320 */␊
321/* no hdrincl */␊
322#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)␊
323#if 0 /* the followings are relic in IPv4 and hence are disabled */␊
324#define IPV6_OPTIONS␉␉1 /* buf/ip6_opts; set/get IP6 options */␊
325#define IPV6_RECVOPTS␉␉5 /* bool; receive all IP6 opts w/dgram */␊
326#define IPV6_RECVRETOPTS␉6 /* bool; receive IP6 opts for response */␊
327#define IPV6_RECVDSTADDR␉7 /* bool; receive IP6 dst addr w/dgram */␊
328#define IPV6_RETOPTS␉␉8 /* ip6_opts; set/get IP6 options */␊
329#endif /* 0 */␊
330#define IPV6_SOCKOPT_RESERVED1␉3 /* reserved for future use */␊
331#endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */␊
332#define IPV6_UNICAST_HOPS␉4 /* int; IP6 hops */␊
333#define IPV6_MULTICAST_IF␉9 /* __uint8_t; set/get IP6 multicast i/f */␊
334#define IPV6_MULTICAST_HOPS␉10 /* __uint8_t; set/get IP6 multicast hops */␊
335#define IPV6_MULTICAST_LOOP␉11 /* __uint8_t; set/get IP6 mcast loopback */␊
336#define IPV6_JOIN_GROUP␉␉12 /* ip6_mreq; join a group membership */␊
337#define IPV6_LEAVE_GROUP␉13 /* ip6_mreq; leave a group membership */␊
338␊
339#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)␊
340#define IPV6_PORTRANGE␉␉14 /* int; range to choose for unspec port */␊
341#define ICMP6_FILTER␉␉18 /* icmp6_filter; icmp6 filter */␊
342/* RFC2292 options */␊
343#define IPV6_PKTINFO␉␉19 /* bool; send/recv if, src/dst addr */␊
344#define IPV6_HOPLIMIT␉␉20 /* bool; hop limit */␊
345#define IPV6_NEXTHOP␉␉21 /* bool; next hop addr */␊
346#define IPV6_HOPOPTS␉␉22 /* bool; hop-by-hop option */␊
347#define IPV6_DSTOPTS␉␉23 /* bool; destination option */␊
348#define IPV6_RTHDR␉␉24 /* bool; routing header */␊
349#define IPV6_PKTOPTIONS␉␉25 /* buf/cmsghdr; set/get IPv6 options */␊
350␊
351#define IPV6_CHECKSUM␉␉26 /* int; checksum offset for raw socket */␊
352#endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */␊
353#define IPV6_V6ONLY␉␉27 /* bool; only bind INET6 at wildcard bind */␊
354#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)␊
355#define IPV6_BINDV6ONLY␉␉IPV6_V6ONLY␊
356␊
357␊
358#if 1 /*IPSEC*/␊
359#define IPV6_IPSEC_POLICY␉28 /* struct; get/set security policy */␊
360#endif /* 1 */␊
361#define IPV6_FAITH␉␉29 /* bool; accept FAITH'ed connections */␊
362␊
363#if 1 /*IPV6FIREWALL*/␊
364#define IPV6_FW_ADD␉␉30 /* add a firewall rule to chain */␊
365#define IPV6_FW_DEL␉␉31 /* delete a firewall rule from chain */␊
366#define IPV6_FW_FLUSH␉␉32 /* flush firewall rule chain */␊
367#define IPV6_FW_ZERO␉␉33 /* clear single/all firewall counter(s) */␊
368#define IPV6_FW_GET␉␉34 /* get entire firewall rule chain */␊
369#endif /* 1 */␊
370␊
371#define IPV6_RECVTCLASS 35 /* bool; recv traffic class values */␊
372#define IPV6_TCLASS 36 /* int; send traffic class value */␊
373␊
374/* to define items, should talk with KAME guys first, for *BSD compatibility */␊
375␊
376#define IPV6_RTHDR_LOOSE 0 /* this hop need not be a neighbor. XXX old spec */␊
377#define IPV6_RTHDR_STRICT 1 /* this hop must be a neighbor. XXX old spec */␊
378#define IPV6_RTHDR_TYPE_0 0 /* IPv6 routing header type 0 */␊
379␊
380/*␊
381 * Defaults and limits for options␊
382 */␊
383#define IPV6_DEFAULT_MULTICAST_HOPS 1␉/* normally limit m'casts to 1 hop */␊
384#define IPV6_DEFAULT_MULTICAST_LOOP 1␉/* normally hear sends if a member */␊
385␊
386/*␊
387 * Argument structure for IPV6_JOIN_GROUP and IPV6_LEAVE_GROUP.␊
388 */␊
389struct ipv6_mreq {␊
390␉struct in6_addr␉ipv6mr_multiaddr;␊
391␉unsigned int␉ipv6mr_interface;␊
392};␊
393␊
394/*␊
395 * IPV6_PKTINFO: Packet information(RFC2292 sec 5)␊
396 */␊
397struct in6_pktinfo {␊
398␉struct in6_addr␉ipi6_addr;␉/* src/dst IPv6 address */␊
399␉unsigned int␉ipi6_ifindex;␉/* send/recv interface index */␊
400};␊
401␊
402/*␊
403 * Argument for IPV6_PORTRANGE:␊
404 * - which range to search when port is unspecified at bind() or connect()␊
405 */␊
406#define␉IPV6_PORTRANGE_DEFAULT␉0␉/* default range */␊
407#define␉IPV6_PORTRANGE_HIGH␉1␉/* "high" - request firewall bypass */␊
408#define␉IPV6_PORTRANGE_LOW␉2␉/* "low" - vouchsafe security */␊
409␊
410/*␊
411 * Definitions for inet6 sysctl operations.␊
412 *␊
413 * Third level is protocol number.␊
414 * Fourth level is desired variable within that protocol.␊
415 */␊
416#define IPV6PROTO_MAXID␉(IPPROTO_PIM + 1)␉/* don't list to IPV6PROTO_MAX */␊
417␊
418/*␊
419 * Names for IP sysctl objects␊
420 */␊
421#define IPV6CTL_FORWARDING␉1␉/* act as router */␊
422#define IPV6CTL_SENDREDIRECTS␉2␉/* may send redirects when forwarding*/␊
423#define IPV6CTL_DEFHLIM␉␉3␉/* default Hop-Limit */␊
424#ifdef notyet␊
425#define IPV6CTL_DEFMTU␉␉4␉/* default MTU */␊
426#endif␊
427#define IPV6CTL_FORWSRCRT␉5␉/* forward source-routed dgrams */␊
428#define IPV6CTL_STATS␉␉6␉/* stats */␊
429#define IPV6CTL_MRTSTATS␉7␉/* multicast forwarding stats */␊
430#define IPV6CTL_MRTPROTO␉8␉/* multicast routing protocol */␊
431#define IPV6CTL_MAXFRAGPACKETS␉9␉/* max packets reassembly queue */␊
432#define IPV6CTL_SOURCECHECK␉10␉/* verify source route and intf */␊
433#define IPV6CTL_SOURCECHECK_LOGINT 11␉/* minimume logging interval */␊
434#define IPV6CTL_ACCEPT_RTADV␉12␊
435#define IPV6CTL_KEEPFAITH␉13␊
436#define IPV6CTL_LOG_INTERVAL␉14␊
437#define IPV6CTL_HDRNESTLIMIT␉15␊
438#define IPV6CTL_DAD_COUNT␉16␊
439#define IPV6CTL_AUTO_FLOWLABEL␉17␊
440#define IPV6CTL_DEFMCASTHLIM␉18␊
441#define IPV6CTL_GIF_HLIM␉19␉/* default HLIM for gif encap packet */␊
442#define IPV6CTL_KAME_VERSION␉20␊
443#define IPV6CTL_USE_DEPRECATED␉21␉/* use deprecated addr (RFC2462 5.5.4) */␊
444#define IPV6CTL_RR_PRUNE␉22␉/* walk timer for router renumbering */␊
445#if 0␉/*obsolete*/␊
446#define IPV6CTL_MAPPED_ADDR␉23␊
447#endif␊
448#define IPV6CTL_V6ONLY␉␉24␊
449#define IPV6CTL_RTEXPIRE␉25␉/* cloned route expiration time */␊
450#define IPV6CTL_RTMINEXPIRE␉26␉/* min value for expiration time */␊
451#define IPV6CTL_RTMAXCACHE␉27␉/* trigger level for dynamic expire */␊
452␊
453#define IPV6CTL_USETEMPADDR␉32␉/* use temporary addresses (RFC3041) */␊
454#define IPV6CTL_TEMPPLTIME␉33␉/* preferred lifetime for tmpaddrs */␊
455#define IPV6CTL_TEMPVLTIME␉34␉/* valid lifetime for tmpaddrs */␊
456#define IPV6CTL_AUTO_LINKLOCAL␉35␉/* automatic link-local addr assign */␊
457#define IPV6CTL_RIP6STATS␉36␉/* raw_ip6 stats */␊
458␊
459#define IPV6CTL_MAXFRAGS 41 /* max fragments */␊
460␊
461#define IPV6CTL_NEIGHBORGCTHRESH 46␊
462#define IPV6CTL_MAXIFPREFIXES␉47␊
463#define IPV6CTL_MAXIFDEFROUTERS 48␊
464#define IPV6CTL_MAXDYNROUTES␉49␊
465␊
466/* New entries should be added here from current IPV6CTL_MAXID value. */␊
467/* to define items, should talk with KAME guys first, for *BSD compatibility */␊
468#define IPV6CTL_MAXID␉␉50␊
469␊
470␊
471__BEGIN_DECLS␊
472struct cmsghdr;␊
473␊
474extern int inet6_option_space(int);␊
475extern int inet6_option_init(void *, struct cmsghdr **, int);␊
476extern int inet6_option_append(struct cmsghdr *, const __uint8_t *,␊
477␉int, int);␊
478extern __uint8_t *inet6_option_alloc(struct cmsghdr *, int, int, int);␊
479extern int inet6_option_next(const struct cmsghdr *, __uint8_t **);␊
480extern int inet6_option_find(const struct cmsghdr *, __uint8_t **, int);␊
481␊
482extern size_t inet6_rthdr_space(int, int);␊
483extern struct cmsghdr *inet6_rthdr_init(void *, int);␊
484extern int inet6_rthdr_add(struct cmsghdr *, const struct in6_addr *,␊
485␉␉unsigned int);␊
486extern int inet6_rthdr_lasthop(struct cmsghdr *, unsigned int);␊
487#if 0 /* not implemented yet */␊
488extern int inet6_rthdr_reverse(const struct cmsghdr *, struct cmsghdr *);␊
489#endif␊
490extern int inet6_rthdr_segments(const struct cmsghdr *);␊
491extern struct in6_addr *inet6_rthdr_getaddr(struct cmsghdr *, int);␊
492extern int inet6_rthdr_getflags(const struct cmsghdr *, int);␊
493␊
494extern int inet6_opt_init(void *, size_t);␊
495extern int inet6_opt_append(void *, size_t, int, __uint8_t,␊
496␉␉␉␉ size_t, __uint8_t, void **);␊
497extern int inet6_opt_finish(void *, size_t, int);␊
498extern int inet6_opt_set_val(void *, size_t, void *, int);␊
499␊
500extern int inet6_opt_next(void *, size_t, int, __uint8_t *,␊
501␉␉␉ size_t *, void **);␊
502extern int inet6_opt_find(void *, size_t, int, __uint8_t,␊
503␉␉␉ size_t *, void **);␊
504extern int inet6_opt_get_val(void *, size_t, void *, int);␊
505extern size_t inet6_rth_space(int, int);␊
506extern void *inet6_rth_init(void *, int, int, int);␊
507extern int inet6_rth_add(void *, const struct in6_addr *);␊
508extern int inet6_rth_reverse(const void *, void *);␊
509extern int inet6_rth_segments(const void *);␊
510extern struct in6_addr *inet6_rth_getaddr(const void *, int);␊
511__END_DECLS␊
512#endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */␊
513#endif /* !_NETINET6_IN6_H_ */␊
514

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