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 PLATFORM_DriverKit 212 213 #ifdef KERNEL_PRIVATE 214 extern const struct sockaddr_in6 sa6_any; 215 216 extern const struct in6_addr in6mask0; 217 extern const struct in6_addr in6mask7; 218 extern const struct in6_addr in6mask16; 219 extern const struct in6_addr in6mask32; 220 extern const struct in6_addr in6mask64; 221 extern const struct in6_addr in6mask96; 222 extern const struct in6_addr in6mask128; 223 224 #define SIN6(s) ((struct sockaddr_in6 *)(void *)s) 225 #define satosin6(sa) SIN6(sa) 226 #define sin6tosa(sin6) ((struct sockaddr *)(void *)(sin6)) 227 #define SIN6IFSCOPE(s) SIN6(s) 228 #endif /* KERNEL_PRIVATE */ 229 230 #ifdef KERNEL /* XXX nonstandard */ 231 /* 232 * Macros started with IPV6_ADDR is KAME local 233 */ 234 #if BYTE_ORDER == BIG_ENDIAN 235 #define IPV6_ADDR_INT32_ONE 1 236 #define IPV6_ADDR_INT32_TWO 2 237 #define IPV6_ADDR_INT32_MNL 0xff010000 238 #define IPV6_ADDR_INT32_MLL 0xff020000 239 #define IPV6_ADDR_INT32_SMP 0x0000ffff 240 #define IPV6_ADDR_INT16_ULL 0xfe80 241 #define IPV6_ADDR_INT16_USL 0xfec0 242 #define IPV6_ADDR_INT16_MLL 0xff02 243 #elif BYTE_ORDER == LITTLE_ENDIAN 244 #define IPV6_ADDR_INT32_ONE 0x01000000 245 #define IPV6_ADDR_INT32_TWO 0x02000000 246 #define IPV6_ADDR_INT32_MNL 0x000001ff 247 #define IPV6_ADDR_INT32_MLL 0x000002ff 248 #define IPV6_ADDR_INT32_SMP 0xffff0000 249 #define IPV6_ADDR_INT16_ULL 0x80fe 250 #define IPV6_ADDR_INT16_USL 0xc0fe 251 #define IPV6_ADDR_INT16_MLL 0x02ff 252 #endif 253 #endif 254 255 /* 256 * Definition of some useful macros to handle IP6 addresses 257 */ 258 #define IN6ADDR_ANY_INIT \ 259 {{{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ 260 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}} 261 #define IN6ADDR_LOOPBACK_INIT \ 262 {{{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ 263 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}} 264 #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) 265 #define IN6ADDR_NODELOCAL_ALLNODES_INIT \ 266 {{{ 0xff, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ 267 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}} 268 #define IN6ADDR_INTFACELOCAL_ALLNODES_INIT \ 269 {{{ 0xff, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ 270 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}} 271 #define IN6ADDR_LINKLOCAL_ALLNODES_INIT \ 272 {{{ 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ 273 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}} 274 #define IN6ADDR_LINKLOCAL_ALLROUTERS_INIT \ 275 {{{ 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ 276 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02 }}} 277 #define IN6ADDR_LINKLOCAL_ALLV2ROUTERS_INIT \ 278 {{{ 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ 279 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x16 }}} 280 #define IN6ADDR_V4MAPPED_INIT \ 281 {{{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ 282 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00 }}} 283 #define IN6ADDR_MULTICAST_PREFIX IN6MASK8 284 #endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */ 285 286 extern const struct in6_addr in6addr_any; 287 extern const struct in6_addr in6addr_loopback; 288 #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) 289 extern const struct in6_addr in6addr_nodelocal_allnodes; 290 extern const struct in6_addr in6addr_linklocal_allnodes; 291 extern const struct in6_addr in6addr_linklocal_allrouters; 292 extern const struct in6_addr in6addr_linklocal_allv2routers; 293 #endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */ 294 295 /* 296 * Equality 297 * NOTE: Some of kernel programming environment (for example, openbsd/sparc) 298 * does not supply memcmp(). For userland memcmp() is preferred as it is 299 * in ANSI standard. 300 */ 301 #ifdef KERNEL 302 #define IN6_ARE_ADDR_EQUAL(a, b) \ 303 (bcmp(&(a)->s6_addr[0], &(b)->s6_addr[0], \ 304 sizeof (struct in6_addr)) == 0) 305 #else 306 #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) 307 #define IN6_ARE_ADDR_EQUAL(a, b) \ 308 (memcmp(&(a)->s6_addr[0], &(b)->s6_addr[0], sizeof (struct in6_addr)) \ 309 == 0) 310 #endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */ 311 #endif 312 313 #ifdef KERNEL /* non standard */ 314 /* see if two addresses are equal in a scope-conscious manner. */ 315 #define SA6_ARE_ADDR_EQUAL(a, b) \ 316 (((a)->sin6_scope_id == 0 || (b)->sin6_scope_id == 0 || \ 317 ((a)->sin6_scope_id == (b)->sin6_scope_id)) && \ 318 (bcmp(&(a)->sin6_addr, &(b)->sin6_addr, sizeof (struct in6_addr)) == 0)) 319 #endif 320 321 /* 322 * Unspecified 323 */ 324 #define IN6_IS_ADDR_UNSPECIFIED(a) \ 325 ((*(const __uint32_t *)(const void *)(&(a)->s6_addr[0]) == 0) && \ 326 (*(const __uint32_t *)(const void *)(&(a)->s6_addr[4]) == 0) && \ 327 (*(const __uint32_t *)(const void *)(&(a)->s6_addr[8]) == 0) && \ 328 (*(const __uint32_t *)(const void *)(&(a)->s6_addr[12]) == 0)) 329 330 /* 331 * Loopback 332 */ 333 #define IN6_IS_ADDR_LOOPBACK(a) \ 334 ((*(const __uint32_t *)(const void *)(&(a)->s6_addr[0]) == 0) && \ 335 (*(const __uint32_t *)(const void *)(&(a)->s6_addr[4]) == 0) && \ 336 (*(const __uint32_t *)(const void *)(&(a)->s6_addr[8]) == 0) && \ 337 (*(const __uint32_t *)(const void *)(&(a)->s6_addr[12]) == ntohl(1))) 338 339 /* 340 * IPv4 compatible 341 */ 342 #define IN6_IS_ADDR_V4COMPAT(a) \ 343 ((*(const __uint32_t *)(const void *)(&(a)->s6_addr[0]) == 0) && \ 344 (*(const __uint32_t *)(const void *)(&(a)->s6_addr[4]) == 0) && \ 345 (*(const __uint32_t *)(const void *)(&(a)->s6_addr[8]) == 0) && \ 346 (*(const __uint32_t *)(const void *)(&(a)->s6_addr[12]) != 0) && \ 347 (*(const __uint32_t *)(const void *)(&(a)->s6_addr[12]) != ntohl(1))) 348 349 /* 350 * Mapped 351 */ 352 #define IN6_IS_ADDR_V4MAPPED(a) \ 353 ((*(const __uint32_t *)(const void *)(&(a)->s6_addr[0]) == 0) && \ 354 (*(const __uint32_t *)(const void *)(&(a)->s6_addr[4]) == 0) && \ 355 (*(const __uint32_t *)(const void *)(&(a)->s6_addr[8]) == \ 356 ntohl(0x0000ffff))) 357 358 /* 359 * 6to4 360 */ 361 #define IN6_IS_ADDR_6TO4(x) (ntohs((x)->s6_addr16[0]) == 0x2002) 362 363 /* 364 * KAME Scope Values 365 */ 366 367 #ifdef KERNEL /* XXX nonstandard */ 368 #define IPV6_ADDR_SCOPE_NODELOCAL 0x01 369 #define IPV6_ADDR_SCOPE_INTFACELOCAL 0x01 370 #define IPV6_ADDR_SCOPE_LINKLOCAL 0x02 371 #define IPV6_ADDR_SCOPE_SITELOCAL 0x05 372 #define IPV6_ADDR_SCOPE_ORGLOCAL 0x08 /* just used in this file */ 373 #define IPV6_ADDR_SCOPE_GLOBAL 0x0e 374 #else 375 #define __IPV6_ADDR_SCOPE_NODELOCAL 0x01 376 #define __IPV6_ADDR_SCOPE_INTFACELOCAL 0x01 377 #define __IPV6_ADDR_SCOPE_LINKLOCAL 0x02 378 #define __IPV6_ADDR_SCOPE_SITELOCAL 0x05 379 #define __IPV6_ADDR_SCOPE_ORGLOCAL 0x08 /* just used in this file */ 380 #define __IPV6_ADDR_SCOPE_GLOBAL 0x0e 381 #endif 382 383 /* 384 * Unicast Scope 385 * Note that we must check topmost 10 bits only, not 16 bits (see RFC2373). 386 */ 387 #define IN6_IS_ADDR_LINKLOCAL(a) \ 388 (((a)->s6_addr[0] == 0xfe) && (((a)->s6_addr[1] & 0xc0) == 0x80)) 389 #define IN6_IS_ADDR_SITELOCAL(a) \ 390 (((a)->s6_addr[0] == 0xfe) && (((a)->s6_addr[1] & 0xc0) == 0xc0)) 391 392 /* 393 * Multicast 394 */ 395 #define IN6_IS_ADDR_MULTICAST(a) ((a)->s6_addr[0] == 0xff) 396 397 #define IPV6_ADDR_MC_FLAGS(a) ((a)->s6_addr[1] & 0xf0) 398 399 #define IPV6_ADDR_MC_FLAGS_TRANSIENT 0x10 400 #define IPV6_ADDR_MC_FLAGS_PREFIX 0x20 401 #define IPV6_ADDR_MC_FLAGS_UNICAST_BASED (IPV6_ADDR_MC_FLAGS_TRANSIENT | IPV6_ADDR_MC_FLAGS_PREFIX) 402 403 #define IN6_IS_ADDR_UNICAST_BASED_MULTICAST(a) \ 404 (IN6_IS_ADDR_MULTICAST(a) && \ 405 (IPV6_ADDR_MC_FLAGS(a) == IPV6_ADDR_MC_FLAGS_UNICAST_BASED)) 406 407 /* 408 * Unique Local IPv6 Unicast Addresses (per RFC 4193) 409 */ 410 #define IN6_IS_ADDR_UNIQUE_LOCAL(a) \ 411 (((a)->s6_addr[0] == 0xfc) || ((a)->s6_addr[0] == 0xfd)) 412 413 #ifdef KERNEL /* XXX nonstandard */ 414 #define IPV6_ADDR_MC_SCOPE(a) ((a)->s6_addr[1] & 0x0f) 415 #else 416 #define __IPV6_ADDR_MC_SCOPE(a) ((a)->s6_addr[1] & 0x0f) 417 #endif 418 419 /* 420 * Multicast Scope 421 */ 422 #ifdef KERNEL /* refers nonstandard items */ 423 #define IN6_IS_ADDR_MC_UNICAST_BASED_LINKLOCAL(a) \ 424 (IN6_IS_ADDR_MULTICAST(a) && \ 425 (IPV6_ADDR_MC_FLAGS(a) == IPV6_ADDR_MC_FLAGS_UNICAST_BASED) && \ 426 (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_LINKLOCAL)) 427 #define IN6_IS_ADDR_MC_NODELOCAL(a) \ 428 (IN6_IS_ADDR_MULTICAST(a) && \ 429 (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_NODELOCAL)) 430 #define IN6_IS_ADDR_MC_INTFACELOCAL(a) \ 431 (IN6_IS_ADDR_MULTICAST(a) && \ 432 (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_INTFACELOCAL)) 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 #else 447 #define IN6_IS_ADDR_MC_NODELOCAL(a) \ 448 (IN6_IS_ADDR_MULTICAST(a) && \ 449 (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_NODELOCAL)) 450 #define IN6_IS_ADDR_MC_LINKLOCAL(a) \ 451 (IN6_IS_ADDR_MULTICAST(a) && \ 452 (IPV6_ADDR_MC_FLAGS(a) != IPV6_ADDR_MC_FLAGS_UNICAST_BASED) && \ 453 (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_LINKLOCAL)) 454 #define IN6_IS_ADDR_MC_SITELOCAL(a) \ 455 (IN6_IS_ADDR_MULTICAST(a) && \ 456 (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_SITELOCAL)) 457 #define IN6_IS_ADDR_MC_ORGLOCAL(a) \ 458 (IN6_IS_ADDR_MULTICAST(a) && \ 459 (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_ORGLOCAL)) 460 #define IN6_IS_ADDR_MC_GLOBAL(a) \ 461 (IN6_IS_ADDR_MULTICAST(a) && \ 462 (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_GLOBAL)) 463 #endif 464 465 #ifdef KERNEL /* nonstandard */ 466 /* 467 * KAME Scope 468 */ 469 #define IN6_IS_SCOPE_LINKLOCAL(a) \ 470 ((IN6_IS_ADDR_LINKLOCAL(a)) || \ 471 (IN6_IS_ADDR_MC_LINKLOCAL(a))) 472 473 #define IN6_IS_SCOPE_EMBED(a) \ 474 ((IN6_IS_ADDR_LINKLOCAL(a)) || \ 475 (IN6_IS_ADDR_MC_LINKLOCAL(a)) || \ 476 (IN6_IS_ADDR_MC_INTFACELOCAL(a))) 477 478 #define IFA6_IS_DEPRECATED(a, t) \ 479 ((a)->ia6_lifetime.ia6ti_preferred != 0 && \ 480 (a)->ia6_lifetime.ia6ti_preferred < (t)) 481 #define IFA6_IS_INVALID(a, t) \ 482 ((a)->ia6_lifetime.ia6ti_expire != 0 && \ 483 (a)->ia6_lifetime.ia6ti_expire < (t)) 484 #endif /* KERNEL */ 485 486 #ifdef PRIVATE 487 struct route_in6_old { 488 void *ro_rt; 489 uint32_t ro_flags; 490 struct sockaddr_in6 ro_dst; 491 }; 492 #endif /* PRIVATE */ 493 494 #ifdef BSD_KERNEL_PRIVATE 495 #include <net/if_llatbl.h> 496 #include <sys/eventhandler.h> 497 498 /* 499 * IP6 route structure 500 * 501 * A route consists of a destination address and a reference 502 * to a routing entry. These are often held by protocols 503 * in their control blocks, e.g. inpcb. 504 */ 505 struct route_in6 { 506 /* 507 * N.B: struct route_in6 must begin with ro_{rt,srcia,flags} 508 * because the code does some casts of a 'struct route_in6 *' 509 * to a 'struct route *'. 510 */ 511 struct rtentry *ro_rt; 512 struct llentry *ro_lle; 513 514 struct ifaddr *ro_srcia; 515 uint32_t ro_flags; /* route flags */ 516 struct sockaddr_in6 ro_dst; 517 }; 518 #endif /* BSD_KERNEL_PRIVATE */ 519 520 /* 521 * Options for use with [gs]etsockopt at the IPV6 level. 522 * First word of comment is data type; bool is stored in int. 523 */ 524 /* no hdrincl */ 525 #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) 526 /* 527 * RFC 3542 define the following socket options in a manner incompatible 528 * with RFC 2292: 529 * IPV6_PKTINFO 530 * IPV6_HOPLIMIT 531 * IPV6_NEXTHOP 532 * IPV6_HOPOPTS 533 * IPV6_DSTOPTS 534 * IPV6_RTHDR 535 * 536 * To use the new IPv6 Sockets options introduced by RFC 3542 537 * the constant __APPLE_USE_RFC_3542 must be defined before 538 * including <netinet/in.h> 539 * 540 * To use the old IPv6 Sockets options from RFC 2292 541 * the constant __APPLE_USE_RFC_2292 must be defined before 542 * including <netinet/in.h> 543 * 544 * Note that eventually RFC 3542 is going to be the 545 * default and RFC 2292 will be obsolete. 546 */ 547 #ifdef BSD_KERNEL_PRIVATE 548 #define __APPLE_USE_RFC_3542 1 549 #endif /* BSD_KERNEL_PRIVATE */ 550 551 #if defined(__APPLE_USE_RFC_3542) && defined(__APPLE_USE_RFC_2292) 552 #error "__APPLE_USE_RFC_3542 and __APPLE_USE_RFC_2292 cannot be both defined" 553 #endif 554 555 #if 0 /* the followings are relic in IPv4 and hence are disabled */ 556 #define IPV6_OPTIONS 1 /* buf/ip6_opts; set/get IP6 options */ 557 #define IPV6_RECVOPTS 5 /* bool; receive all IP6 opts w/dgram */ 558 #define IPV6_RECVRETOPTS 6 /* bool; receive IP6 opts for response */ 559 #define IPV6_RECVDSTADDR 7 /* bool; receive IP6 dst addr w/dgram */ 560 #define IPV6_RETOPTS 8 /* ip6_opts; set/get IP6 options */ 561 #endif /* 0 */ 562 #define IPV6_SOCKOPT_RESERVED1 3 /* reserved for future use */ 563 #endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */ 564 #define IPV6_UNICAST_HOPS 4 /* int; IP6 hops */ 565 #define IPV6_MULTICAST_IF 9 /* u_int; set/get IP6 multicast i/f */ 566 #define IPV6_MULTICAST_HOPS 10 /* int; set/get IP6 multicast hops */ 567 #define IPV6_MULTICAST_LOOP 11 /* u_int; set/get IP6 mcast loopback */ 568 #define IPV6_JOIN_GROUP 12 /* ip6_mreq; join a group membership */ 569 #define IPV6_LEAVE_GROUP 13 /* ip6_mreq; leave a group membership */ 570 571 #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) 572 #define IPV6_PORTRANGE 14 /* int; range to choose for unspec port */ 573 #define ICMP6_FILTER 18 /* icmp6_filter; icmp6 filter */ 574 #define IPV6_2292PKTINFO 19 /* bool; send/recv if, src/dst addr */ 575 #define IPV6_2292HOPLIMIT 20 /* bool; hop limit */ 576 #define IPV6_2292NEXTHOP 21 /* bool; next hop addr */ 577 #define IPV6_2292HOPOPTS 22 /* bool; hop-by-hop option */ 578 #define IPV6_2292DSTOPTS 23 /* bool; destinaion option */ 579 #define IPV6_2292RTHDR 24 /* ip6_rthdr: routing header */ 580 581 /* buf/cmsghdr; set/get IPv6 options [obsoleted by RFC3542] */ 582 #define IPV6_2292PKTOPTIONS 25 583 584 #ifdef __APPLE_USE_RFC_2292 585 #define IPV6_PKTINFO IPV6_2292PKTINFO 586 #define IPV6_HOPLIMIT IPV6_2292HOPLIMIT 587 #define IPV6_NEXTHOP IPV6_2292NEXTHOP 588 #define IPV6_HOPOPTS IPV6_2292HOPOPTS 589 #define IPV6_DSTOPTS IPV6_2292DSTOPTS 590 #define IPV6_RTHDR IPV6_2292RTHDR 591 #define IPV6_PKTOPTIONS IPV6_2292PKTOPTIONS 592 #endif /* __APPLE_USE_RFC_2292 */ 593 594 #define IPV6_CHECKSUM 26 /* int; checksum offset for raw socket */ 595 #endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */ 596 #define IPV6_V6ONLY 27 /* bool; only bind INET6 at wildcard bind */ 597 #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) 598 #ifndef KERNEL 599 #define IPV6_BINDV6ONLY IPV6_V6ONLY 600 #endif /* KERNEL */ 601 602 603 #if 1 /* IPSEC */ 604 #define IPV6_IPSEC_POLICY 28 /* struct; get/set security policy */ 605 #endif /* 1 */ 606 #define IPV6_FAITH 29 /* deprecated */ 607 608 #if 1 /* IPV6FIREWALL */ 609 #define IPV6_FW_ADD 30 /* add a firewall rule to chain */ 610 #define IPV6_FW_DEL 31 /* delete a firewall rule from chain */ 611 #define IPV6_FW_FLUSH 32 /* flush firewall rule chain */ 612 #define IPV6_FW_ZERO 33 /* clear single/all firewall counter(s) */ 613 #define IPV6_FW_GET 34 /* get entire firewall rule chain */ 614 #endif /* 1 */ 615 616 /* 617 * APPLE: NOTE the value of those 2 options is kept unchanged from 618 * previous version of darwin/OS X for binary compatibility reasons 619 * and differ from FreeBSD (values 57 and 61). See below. 620 */ 621 #define IPV6_RECVTCLASS 35 /* bool; recv traffic class values */ 622 #define IPV6_TCLASS 36 /* int; send traffic class value */ 623 624 #ifdef __APPLE_USE_RFC_3542 625 /* new socket options introduced in RFC3542 */ 626 /* 627 * ip6_dest; send dst option before rthdr 628 * APPLE: Value purposely different than FreeBSD (35) to avoid 629 * collision with definition of IPV6_RECVTCLASS in previous 630 * darwin implementations 631 */ 632 #define IPV6_RTHDRDSTOPTS 57 633 634 /* 635 * bool; recv if, dst addr 636 * APPLE: Value purposely different than FreeBSD(36) to avoid 637 * collision with definition of IPV6_TCLASS in previous 638 * darwin implementations 639 */ 640 #define IPV6_RECVPKTINFO 61 641 642 #define IPV6_RECVHOPLIMIT 37 /* bool; recv hop limit */ 643 #define IPV6_RECVRTHDR 38 /* bool; recv routing header */ 644 #define IPV6_RECVHOPOPTS 39 /* bool; recv hop-by-hop option */ 645 #define IPV6_RECVDSTOPTS 40 /* bool; recv dst option after rthdr */ 646 #ifdef KERNEL 647 #define IPV6_RECVRTHDRDSTOPTS 41 /* bool; recv dst option before rthdr */ 648 #endif 649 650 #define IPV6_USE_MIN_MTU 42 /* bool; send packets at the minimum MTU */ 651 #define IPV6_RECVPATHMTU 43 /* bool; notify an according MTU */ 652 653 /* 654 * mtuinfo; get the current path MTU (sopt), 4 bytes int; 655 * MTU notification (cmsg) 656 */ 657 #define IPV6_PATHMTU 44 658 659 #if 0 /* obsoleted during 2292bis -> 3542 */ 660 /* no data; ND reachability confirm (cmsg only/not in of RFC3542) */ 661 #define IPV6_REACHCONF 45 662 #endif 663 /* more new socket options introduced in RFC3542 */ 664 #define IPV6_3542PKTINFO 46 /* in6_pktinfo; send if, src addr */ 665 #define IPV6_3542HOPLIMIT 47 /* int; send hop limit */ 666 #define IPV6_3542NEXTHOP 48 /* sockaddr; next hop addr */ 667 #define IPV6_3542HOPOPTS 49 /* ip6_hbh; send hop-by-hop option */ 668 #define IPV6_3542DSTOPTS 50 /* ip6_dest; send dst option befor rthdr */ 669 #define IPV6_3542RTHDR 51 /* ip6_rthdr; send routing header */ 670 671 #define IPV6_PKTINFO IPV6_3542PKTINFO 672 #define IPV6_HOPLIMIT IPV6_3542HOPLIMIT 673 #define IPV6_NEXTHOP IPV6_3542NEXTHOP 674 #define IPV6_HOPOPTS IPV6_3542HOPOPTS 675 #define IPV6_DSTOPTS IPV6_3542DSTOPTS 676 #define IPV6_RTHDR IPV6_3542RTHDR 677 678 #define IPV6_AUTOFLOWLABEL 59 /* bool; attach flowlabel automagically */ 679 680 #define IPV6_DONTFRAG 62 /* bool; disable IPv6 fragmentation */ 681 682 /* int; prefer temporary addresses as the source address. */ 683 #define IPV6_PREFER_TEMPADDR 63 684 685 /* 686 * The following option is private; do not use it from user applications. 687 * It is deliberately defined to the same value as IP_MSFILTER. 688 */ 689 #define IPV6_MSFILTER 74 /* struct __msfilterreq; */ 690 #endif /* __APPLE_USE_RFC_3542 */ 691 692 #define IPV6_BOUND_IF 125 /* int; set/get bound interface */ 693 694 #ifdef PRIVATE 695 #define IPV6_NO_IFT_CELLULAR 6969 /* for internal use only */ 696 #define IPV6_OUT_IF 9696 /* for internal use only */ 697 #endif /* PRIVATE */ 698 699 /* to define items, should talk with KAME guys first, for *BSD compatibility */ 700 701 #define IPV6_RTHDR_LOOSE 0 /* this hop need not be a neighbor. */ 702 #define IPV6_RTHDR_STRICT 1 /* this hop must be a neighbor. */ 703 #define IPV6_RTHDR_TYPE_0 0 /* IPv6 routing header type 0 */ 704 705 /* 706 * Defaults and limits for options 707 */ 708 #define IPV6_DEFAULT_MULTICAST_HOPS 1 /* normally limit m'casts to 1 hop */ 709 #define IPV6_DEFAULT_MULTICAST_LOOP 1 /* normally hear sends if a member */ 710 711 /* 712 * The im6o_membership vector for each socket is now dynamically allocated at 713 * run-time, bounded by USHRT_MAX, and is reallocated when needed, sized 714 * according to a power-of-two increment. 715 */ 716 #define IPV6_MIN_MEMBERSHIPS 31 717 #define IPV6_MAX_MEMBERSHIPS 4095 718 719 /* 720 * Default resource limits for IPv6 multicast source filtering. 721 * These may be modified by sysctl. 722 */ 723 #define IPV6_MAX_GROUP_SRC_FILTER 512 /* sources per group */ 724 #define IPV6_MAX_SOCK_SRC_FILTER 128 /* sources per socket/group */ 725 726 /* 727 * Argument structure for IPV6_JOIN_GROUP and IPV6_LEAVE_GROUP. 728 */ 729 struct ipv6_mreq { 730 struct in6_addr ipv6mr_multiaddr; 731 unsigned int ipv6mr_interface; 732 }; 733 734 /* 735 * IPV6_2292PKTINFO: Packet information(RFC2292 sec 5) 736 */ 737 struct in6_pktinfo { 738 struct in6_addr ipi6_addr; /* src/dst IPv6 address */ 739 unsigned int ipi6_ifindex; /* send/recv interface index */ 740 }; 741 742 /* 743 * Control structure for IPV6_RECVPATHMTU socket option. 744 */ 745 struct ip6_mtuinfo { 746 struct sockaddr_in6 ip6m_addr; /* or sockaddr_storage? */ 747 uint32_t ip6m_mtu; 748 }; 749 750 /* 751 * Argument for IPV6_PORTRANGE: 752 * - which range to search when port is unspecified at bind() or connect() 753 */ 754 #define IPV6_PORTRANGE_DEFAULT 0 /* default range */ 755 #define IPV6_PORTRANGE_HIGH 1 /* "high" - request firewall bypass */ 756 #define IPV6_PORTRANGE_LOW 2 /* "low" - vouchsafe security */ 757 758 /* 759 * Definitions for inet6 sysctl operations. 760 * 761 * Third level is protocol number. 762 * Fourth level is desired variable within that protocol. 763 */ 764 #define IPV6PROTO_MAXID (IPPROTO_PIM + 1) /* don't list to IPV6PROTO_MAX */ 765 766 /* 767 * Names for IP sysctl objects 768 */ 769 #define IPV6CTL_FORWARDING 1 /* act as router */ 770 #define IPV6CTL_SENDREDIRECTS 2 /* may send redirects when forwarding */ 771 #define IPV6CTL_DEFHLIM 3 /* default Hop-Limit */ 772 #ifdef notyet 773 #define IPV6CTL_DEFMTU 4 /* default MTU */ 774 #endif 775 #define IPV6CTL_FORWSRCRT 5 /* forward source-routed dgrams */ 776 #define IPV6CTL_STATS 6 /* stats */ 777 #define IPV6CTL_MRTSTATS 7 /* multicast forwarding stats */ 778 #define IPV6CTL_MRTPROTO 8 /* multicast routing protocol */ 779 #define IPV6CTL_MAXFRAGPACKETS 9 /* max packets reassembly queue */ 780 #define IPV6CTL_SOURCECHECK 10 /* verify source route and intf */ 781 #define IPV6CTL_SOURCECHECK_LOGINT 11 /* minimume logging interval */ 782 #define IPV6CTL_ACCEPT_RTADV 12 783 #define IPV6CTL_KEEPFAITH 13 /* deprecated */ 784 #define IPV6CTL_LOG_INTERVAL 14 785 #define IPV6CTL_HDRNESTLIMIT 15 786 #define IPV6CTL_DAD_COUNT 16 787 #define IPV6CTL_AUTO_FLOWLABEL 17 788 #define IPV6CTL_DEFMCASTHLIM 18 789 #define IPV6CTL_GIF_HLIM 19 /* default HLIM for gif encap packet */ 790 #define IPV6CTL_KAME_VERSION 20 791 #define IPV6CTL_USE_DEPRECATED 21 /* use deprec addr (RFC2462 5.5.4) */ 792 #define IPV6CTL_RR_PRUNE 22 /* walk timer for router renumbering */ 793 #if 0 /* obsolete */ 794 #define IPV6CTL_MAPPED_ADDR 23 795 #endif 796 #define IPV6CTL_V6ONLY 24 797 #define IPV6CTL_RTEXPIRE 25 /* cloned route expiration time */ 798 #define IPV6CTL_RTMINEXPIRE 26 /* min value for expiration time */ 799 #define IPV6CTL_RTMAXCACHE 27 /* trigger level for dynamic expire */ 800 801 #define IPV6CTL_USETEMPADDR 32 /* use temporary addresses [RFC 4941] */ 802 #define IPV6CTL_TEMPPLTIME 33 /* preferred lifetime for tmpaddrs */ 803 #define IPV6CTL_TEMPVLTIME 34 /* valid lifetime for tmpaddrs */ 804 #define IPV6CTL_AUTO_LINKLOCAL 35 /* automatic link-local addr assign */ 805 #define IPV6CTL_RIP6STATS 36 /* raw_ip6 stats */ 806 #define IPV6CTL_PREFER_TEMPADDR 37 /* prefer temporary addr as src */ 807 #define IPV6CTL_ADDRCTLPOLICY 38 /* get/set address selection policy */ 808 #define IPV6CTL_USE_DEFAULTZONE 39 /* use default scope zone */ 809 810 #define IPV6CTL_MAXFRAGS 41 /* max fragments */ 811 #define IPV6CTL_MCAST_PMTU 44 /* enable pMTU discovery for mcast? */ 812 813 #define IPV6CTL_NEIGHBORGCTHRESH 46 814 #define IPV6CTL_MAXIFPREFIXES 47 815 #define IPV6CTL_MAXIFDEFROUTERS 48 816 #define IPV6CTL_MAXDYNROUTES 49 817 #define ICMPV6CTL_ND6_ONLINKNSRFC4861 50 818 #define IPV6CTL_ULA_USETEMPADDR 51 819 820 821 /* New entries should be added here from current IPV6CTL_MAXID value. */ 822 /* to define items, should talk with KAME guys first, for *BSD compatibility */ 823 #define IPV6CTL_MAXID 51 824 825 #ifdef BSD_KERNEL_PRIVATE 826 #define CTL_IPV6PROTO_NAMES { \ 827 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 828 { 0, 0 }, \ 829 { "tcp6", CTLTYPE_NODE }, \ 830 { 0, 0 }, \ 831 { 0, 0 }, \ 832 { 0, 0 }, \ 833 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 834 { 0, 0 }, \ 835 { 0, 0 }, \ 836 { "udp6", CTLTYPE_NODE }, \ 837 { 0, 0 }, \ 838 { 0, 0 }, \ 839 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 840 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 841 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 842 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 843 { 0, 0 }, \ 844 { "ip6", CTLTYPE_NODE }, \ 845 { 0, 0 }, \ 846 { 0, 0 }, \ 847 { 0, 0 }, \ 848 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 849 { 0, 0 }, \ 850 { "ipsec6", CTLTYPE_NODE }, \ 851 { 0, 0 }, \ 852 { 0, 0 }, \ 853 { 0, 0 }, \ 854 { 0, 0 }, \ 855 { 0, 0 }, \ 856 { 0, 0 }, \ 857 { "icmp6", CTLTYPE_NODE }, \ 858 { 0, 0 }, \ 859 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 860 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 861 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 862 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 863 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 864 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 865 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 866 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 867 { 0, 0 }, \ 868 { 0, 0 }, \ 869 { 0, 0 }, \ 870 { 0, 0 }, \ 871 } 872 /* 873 * Redefinition of mbuf flags 874 */ 875 #define M_AUTHIPHDR M_PROTO2 876 #define M_DECRYPTED M_PROTO3 877 #define M_AUTHIPDGM M_PROTO5 878 879 struct cmsghdr; 880 struct mbuf; 881 struct ifnet; 882 struct in6_aliasreq; 883 struct lltable; 884 885 extern struct lltable * in6_lltattach(struct ifnet *ifp); 886 extern uint16_t in6_pseudo(const struct in6_addr *, const struct in6_addr *, 887 uint32_t); 888 extern u_int16_t inet6_cksum(struct mbuf *, uint32_t, uint32_t, uint32_t); 889 extern u_int16_t inet6_cksum_buffer(const uint8_t *, uint32_t, uint32_t, 890 uint32_t); 891 892 #define in6_cksum(_m, _n, _o, _l) \ 893 inet6_cksum(_m, _n, _o, _l) 894 #define in6_cksum_buffer(_b, _n, _o, _l) \ 895 inet6_cksum_buffer(_b, _n, _o, _l) 896 897 extern int in6_addrscope(struct in6_addr *); 898 extern struct in6_ifaddr *in6_ifawithscope(struct ifnet *, struct in6_addr *); 899 extern struct in6_ifaddr *in6_ifawithifp(struct ifnet *, struct in6_addr *); 900 901 struct sockaddr; 902 903 extern void in6_sin6_2_sin(struct sockaddr_in *sin, struct sockaddr_in6 *sin6); 904 extern void in6_sin_2_v4mapsin6(struct sockaddr_in *sin, 905 struct sockaddr_in6 *sin6); 906 extern void in6_sin6_2_sin_in_sock(struct sockaddr *nam); 907 extern int in6_sin_2_v4mapsin6_in_sock(struct sockaddr **nam); 908 909 extern uint32_t in6_finalize_cksum(struct mbuf *, uint32_t, int32_t, 910 int32_t, uint32_t); 911 912 #define in6_delayed_cksum(_m) \ 913 ((void) in6_finalize_cksum(_m, 0, 0, -1, CSUM_DELAY_IPV6_DATA)) 914 #define in6_delayed_cksum_offset(_m, _o, _s, _p) \ 915 ((void) in6_finalize_cksum(_m, _o, _s, _p, CSUM_DELAY_IPV6_DATA)) 916 917 /* IPv6 protocol events */ 918 extern struct eventhandler_lists_ctxt in6_evhdlr_ctxt; 919 /* 920 * XXX Avoid reordering the enum values below. 921 * If the order is changed, please make sure 922 * in6_event2kev_array is also changed to reflect the 923 * change in order of the enums 924 */ 925 typedef enum { 926 /* Address events */ 927 /* 928 * XXX To avoid duplicacy and also for correctness 929 * only report these for link local and stable addresses 930 * NOTE: Link local address can never be marked detached 931 * or duplicated. 932 */ 933 IN6_ADDR_MARKED_DUPLICATED, 934 IN6_ADDR_MARKED_DETACHED, 935 IN6_ADDR_MARKED_DEPRECATED, 936 937 /* Expiry events */ 938 IN6_NDP_RTR_EXPIRY, 939 IN6_NDP_PFX_EXPIRY, 940 IN6_NDP_ADDR_EXPIRY, 941 942 /* XXX DNS expiry needs to be handled by user-space */ 943 /* MAX */ 944 IN6_EVENT_MAX, 945 } in6_evhdlr_code_t; 946 947 struct in6_event2kev { 948 in6_evhdlr_code_t in6_event_code; 949 uint32_t in6_event_kev_subclass; 950 uint32_t in6_event_kev_code; 951 const char *in6_event_str; 952 }; 953 extern struct in6_event2kev in6_event2kev_array[]; 954 extern void in6_eventhdlr_callback(struct eventhandler_entry_arg, in6_evhdlr_code_t, 955 struct ifnet *, struct in6_addr *, uint32_t); 956 extern void in6_event_enqueue_nwk_wq_entry(in6_evhdlr_code_t, 957 struct ifnet *, struct in6_addr *, uint32_t); 958 959 typedef void (*in6_event_fn) (struct eventhandler_entry_arg, in6_evhdlr_code_t, 960 struct ifnet *, struct in6_addr *, uint32_t); 961 EVENTHANDLER_DECLARE(in6_event, in6_event_fn); 962 #endif /* BSD_KERNEL_PRIVATE */ 963 964 #ifdef PRIVATE 965 /* CLAT46 events */ 966 typedef enum in6_clat46_evhdlr_code_t { 967 IN6_CLAT46_EVENT_V4_FLOW, 968 IN6_CLAT46_EVENT_V6_ADDR_CONFFAIL, 969 } in6_clat46_evhdlr_code_t; 970 971 struct kev_netevent_clat46_data { 972 in6_clat46_evhdlr_code_t clat46_event_code; 973 pid_t epid; 974 uuid_t euuid; 975 }; 976 #endif /* PRIVATE */ 977 978 #ifdef BSD_KERNEL_PRIVATE 979 /* CLAT46 events */ 980 extern struct eventhandler_lists_ctxt in6_clat46_evhdlr_ctxt; 981 extern void in6_clat46_eventhdlr_callback(struct eventhandler_entry_arg, 982 in6_clat46_evhdlr_code_t, pid_t, uuid_t); 983 extern void in6_clat46_event_enqueue_nwk_wq_entry(in6_clat46_evhdlr_code_t, 984 pid_t, uuid_t); 985 986 typedef void (*in6_clat46_event_fn) (struct eventhandler_entry_arg, in6_clat46_evhdlr_code_t, 987 pid_t, uuid_t); 988 EVENTHANDLER_DECLARE(in6_clat46_event, in6_clat46_event_fn); 989 #endif /* BSD_KERNEL_PRIVATE */ 990 991 #ifdef KERNEL_PRIVATE 992 /* exporte for ApplicationFirewall */ 993 extern int in6_localaddr(struct in6_addr *); 994 extern int in6addr_local(struct in6_addr *); 995 #endif /* KERNEL_PRIVATE */ 996 997 #ifndef KERNEL 998 __BEGIN_DECLS 999 struct cmsghdr; 1000 1001 extern int inet6_option_space(int); 1002 extern int inet6_option_init(void *, struct cmsghdr **, int); 1003 extern int inet6_option_append(struct cmsghdr *, const __uint8_t *, int, int); 1004 extern __uint8_t *inet6_option_alloc(struct cmsghdr *, int, int, int); 1005 extern int inet6_option_next(const struct cmsghdr *, __uint8_t **); 1006 extern int inet6_option_find(const struct cmsghdr *, __uint8_t **, int); 1007 1008 extern size_t inet6_rthdr_space(int, int); 1009 extern struct cmsghdr *inet6_rthdr_init(void *, int); 1010 extern int inet6_rthdr_add(struct cmsghdr *, const struct in6_addr *, 1011 unsigned int); 1012 extern int inet6_rthdr_lasthop(struct cmsghdr *, unsigned int); 1013 #if 0 /* not implemented yet */ 1014 extern int inet6_rthdr_reverse(const struct cmsghdr *, struct cmsghdr *); 1015 #endif 1016 extern int inet6_rthdr_segments(const struct cmsghdr *); 1017 extern struct in6_addr *inet6_rthdr_getaddr(struct cmsghdr *, int); 1018 extern int inet6_rthdr_getflags(const struct cmsghdr *, int); 1019 1020 extern int inet6_opt_init(void *, socklen_t); 1021 extern int inet6_opt_append(void *, socklen_t, int, __uint8_t, socklen_t, 1022 __uint8_t, void **); 1023 extern int inet6_opt_finish(void *, socklen_t, int); 1024 extern int inet6_opt_set_val(void *, int, void *, socklen_t); 1025 1026 extern int inet6_opt_next(void *, socklen_t, int, __uint8_t *, socklen_t *, 1027 void **); 1028 extern int inet6_opt_find(void *, socklen_t, int, __uint8_t, socklen_t *, 1029 void **); 1030 extern int inet6_opt_get_val(void *, int, void *, socklen_t); 1031 extern socklen_t inet6_rth_space(int, int); 1032 extern void *inet6_rth_init(void *, socklen_t, int, int); 1033 extern int inet6_rth_add(void *, const struct in6_addr *); 1034 extern int inet6_rth_reverse(const void *, void *); 1035 extern int inet6_rth_segments(const void *); 1036 extern struct in6_addr *inet6_rth_getaddr(const void *, int); 1037 1038 __END_DECLS 1039 #endif /* !KERNEL */ 1040 #endif /* PLATFORM_DriverKit */ 1041 #endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */ 1042 #endif /* !_NETINET6_IN6_H_ */ 1043