| 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␊ |
| 108 | typedef __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 | */␊ |
| 158 | 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 | };␊ |
| 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) */␊ |
| 176 | struct 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 | ␊ |
| 209 | extern const struct in6_addr in6addr_any;␊ |
| 210 | extern const struct in6_addr in6addr_loopback;␊ |
| 211 | #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)␊ |
| 212 | extern const struct in6_addr in6addr_nodelocal_allnodes;␊ |
| 213 | extern const struct in6_addr in6addr_linklocal_allnodes;␊ |
| 214 | extern 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 | */␊ |
| 389 | struct 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 | */␊ |
| 397 | struct 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␊ |
| 472 | struct cmsghdr;␊ |
| 473 | ␊ |
| 474 | extern int inet6_option_space(int);␊ |
| 475 | extern int inet6_option_init(void *, struct cmsghdr **, int);␊ |
| 476 | extern int inet6_option_append(struct cmsghdr *, const __uint8_t *,␊ |
| 477 | ␉int, int);␊ |
| 478 | extern __uint8_t *inet6_option_alloc(struct cmsghdr *, int, int, int);␊ |
| 479 | extern int inet6_option_next(const struct cmsghdr *, __uint8_t **);␊ |
| 480 | extern int inet6_option_find(const struct cmsghdr *, __uint8_t **, int);␊ |
| 481 | ␊ |
| 482 | extern size_t inet6_rthdr_space(int, int);␊ |
| 483 | extern struct cmsghdr *inet6_rthdr_init(void *, int);␊ |
| 484 | extern int inet6_rthdr_add(struct cmsghdr *, const struct in6_addr *,␊ |
| 485 | ␉␉unsigned int);␊ |
| 486 | extern int inet6_rthdr_lasthop(struct cmsghdr *, unsigned int);␊ |
| 487 | #if 0 /* not implemented yet */␊ |
| 488 | extern int inet6_rthdr_reverse(const struct cmsghdr *, struct cmsghdr *);␊ |
| 489 | #endif␊ |
| 490 | extern int inet6_rthdr_segments(const struct cmsghdr *);␊ |
| 491 | extern struct in6_addr *inet6_rthdr_getaddr(struct cmsghdr *, int);␊ |
| 492 | extern int inet6_rthdr_getflags(const struct cmsghdr *, int);␊ |
| 493 | ␊ |
| 494 | extern int inet6_opt_init(void *, size_t);␊ |
| 495 | extern int inet6_opt_append(void *, size_t, int, __uint8_t,␊ |
| 496 | ␉␉␉␉ size_t, __uint8_t, void **);␊ |
| 497 | extern int inet6_opt_finish(void *, size_t, int);␊ |
| 498 | extern int inet6_opt_set_val(void *, size_t, void *, int);␊ |
| 499 | ␊ |
| 500 | extern int inet6_opt_next(void *, size_t, int, __uint8_t *,␊ |
| 501 | ␉␉␉ size_t *, void **);␊ |
| 502 | extern int inet6_opt_find(void *, size_t, int, __uint8_t,␊ |
| 503 | ␉␉␉ size_t *, void **);␊ |
| 504 | extern int inet6_opt_get_val(void *, size_t, void *, int);␊ |
| 505 | extern size_t inet6_rth_space(int, int);␊ |
| 506 | extern void *inet6_rth_init(void *, int, int, int);␊ |
| 507 | extern int inet6_rth_add(void *, const struct in6_addr *);␊ |
| 508 | extern int inet6_rth_reverse(const void *, void *);␊ |
| 509 | extern int inet6_rth_segments(const void *);␊ |
| 510 | extern 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 | |
