Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]
FreeBSD/Linux Kernel Cross Reference
sys/netinet6/in6.h
Version:
- FREEBSD - FREEBSD-13-STABLE - FREEBSD-13-0 - FREEBSD-12-STABLE - FREEBSD-12-0 - FREEBSD-11-STABLE - FREEBSD-11-0 - FREEBSD-10-STABLE - FREEBSD-10-0 - FREEBSD-9-STABLE - FREEBSD-9-0 - FREEBSD-8-STABLE - FREEBSD-8-0 - FREEBSD-7-STABLE - FREEBSD-7-0 - FREEBSD-6-STABLE - FREEBSD-6-0 - FREEBSD-5-STABLE - FREEBSD-5-0 - FREEBSD-4-STABLE - FREEBSD-3-STABLE - FREEBSD22 - l41 - OPENBSD - linux-2.6 - MK84 - PLAN9 - xnu-8792
SearchContext: - none - 3 - 10
SearchContext: - none - 3 - 10
1 /* $FreeBSD: releng/6.1/sys/netinet6/in6.h 169063 2007-04-26 23:42:23Z cperciva $ */ 2 /* $KAME: in6.h,v 1.89 2001/05/27 13:28:35 itojun Exp $ */ 3 4 /*- 5 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. Neither the name of the project nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 33 /*- 34 * Copyright (c) 1982, 1986, 1990, 1993 35 * The Regents of the University of California. All rights reserved. 36 * 37 * Redistribution and use in source and binary forms, with or without 38 * modification, are permitted provided that the following conditions 39 * are met: 40 * 1. Redistributions of source code must retain the above copyright 41 * notice, this list of conditions and the following disclaimer. 42 * 2. Redistributions in binary form must reproduce the above copyright 43 * notice, this list of conditions and the following disclaimer in the 44 * documentation and/or other materials provided with the distribution. 45 * 4. Neither the name of the University nor the names of its contributors 46 * may be used to endorse or promote products derived from this software 47 * without specific prior written permission. 48 * 49 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 50 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 51 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 52 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 53 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 54 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 55 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 56 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 57 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 58 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 59 * SUCH DAMAGE. 60 * 61 * @(#)in.h 8.3 (Berkeley) 1/3/94 62 */ 63 64 #ifndef __KAME_NETINET_IN_H_INCLUDED_ 65 #error "do not include netinet6/in6.h directly, include netinet/in.h. see RFC2553" 66 #endif 67 68 #ifndef _NETINET6_IN6_H_ 69 #define _NETINET6_IN6_H_ 70 71 /* 72 * Identification of the network protocol stack 73 * for *BSD-current/release: http://www.kame.net/dev/cvsweb.cgi/kame/COVERAGE 74 * has the table of implementation/integration differences. 75 */ 76 #define __KAME__ 77 #define __KAME_VERSION "FreeBSD" 78 79 /* 80 * Local port number conventions: 81 * 82 * Ports < IPPORT_RESERVED are reserved for privileged processes (e.g. root), 83 * unless a kernel is compiled with IPNOPRIVPORTS defined. 84 * 85 * When a user does a bind(2) or connect(2) with a port number of zero, 86 * a non-conflicting local port address is chosen. 87 * 88 * The default range is IPPORT_ANONMIN to IPPORT_ANONMAX, although 89 * that is settable by sysctl(3); net.inet.ip.anonportmin and 90 * net.inet.ip.anonportmax respectively. 91 * 92 * A user may set the IPPROTO_IP option IP_PORTRANGE to change this 93 * default assignment range. 94 * 95 * The value IP_PORTRANGE_DEFAULT causes the default behavior. 96 * 97 * The value IP_PORTRANGE_HIGH is the same as IP_PORTRANGE_DEFAULT, 98 * and exists only for FreeBSD compatibility purposes. 99 * 100 * The value IP_PORTRANGE_LOW changes the range to the "low" are 101 * that is (by convention) restricted to privileged processes. 102 * This convention is based on "vouchsafe" principles only. 103 * It is only secure if you trust the remote host to restrict these ports. 104 * The range is IPPORT_RESERVEDMIN to IPPORT_RESERVEDMAX. 105 */ 106 #if __BSD_VISIBLE 107 #define IPV6PORT_RESERVED 1024 108 #define IPV6PORT_ANONMIN 49152 109 #define IPV6PORT_ANONMAX 65535 110 #define IPV6PORT_RESERVEDMIN 600 111 #define IPV6PORT_RESERVEDMAX (IPV6PORT_RESERVED-1) 112 #endif 113 114 /* 115 * IPv6 address 116 */ 117 struct in6_addr { 118 union { 119 uint8_t __u6_addr8[16]; 120 uint16_t __u6_addr16[8]; 121 uint32_t __u6_addr32[4]; 122 } __u6_addr; /* 128-bit IP6 address */ 123 }; 124 125 #define s6_addr __u6_addr.__u6_addr8 126 #ifdef _KERNEL /* XXX nonstandard */ 127 #define s6_addr8 __u6_addr.__u6_addr8 128 #define s6_addr16 __u6_addr.__u6_addr16 129 #define s6_addr32 __u6_addr.__u6_addr32 130 #endif 131 132 #define INET6_ADDRSTRLEN 46 133 134 /* 135 * XXX missing POSIX.1-2001 macro IPPROTO_IPV6. 136 */ 137 138 /* 139 * Socket address for IPv6 140 */ 141 #if __BSD_VISIBLE 142 #define SIN6_LEN 143 #endif 144 145 struct sockaddr_in6 { 146 uint8_t sin6_len; /* length of this struct */ 147 sa_family_t sin6_family; /* AF_INET6 */ 148 in_port_t sin6_port; /* Transport layer port # */ 149 uint32_t sin6_flowinfo; /* IP6 flow information */ 150 struct in6_addr sin6_addr; /* IP6 address */ 151 uint32_t sin6_scope_id; /* scope zone index */ 152 }; 153 154 /* 155 * Local definition for masks 156 */ 157 #ifdef _KERNEL /* XXX nonstandard */ 158 #define IN6MASK0 {{{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }}} 159 #define IN6MASK32 {{{ 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, \ 160 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}} 161 #define IN6MASK64 {{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \ 162 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}} 163 #define IN6MASK96 {{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \ 164 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00 }}} 165 #define IN6MASK128 {{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \ 166 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }}} 167 #endif 168 169 #ifdef _KERNEL 170 extern const struct sockaddr_in6 sa6_any; 171 172 extern const struct in6_addr in6mask0; 173 extern const struct in6_addr in6mask32; 174 extern const struct in6_addr in6mask64; 175 extern const struct in6_addr in6mask96; 176 extern const struct in6_addr in6mask128; 177 #endif /* _KERNEL */ 178 179 /* 180 * Macros started with IPV6_ADDR is KAME local 181 */ 182 #ifdef _KERNEL /* XXX nonstandard */ 183 #if _BYTE_ORDER == _BIG_ENDIAN 184 #define IPV6_ADDR_INT32_ONE 1 185 #define IPV6_ADDR_INT32_TWO 2 186 #define IPV6_ADDR_INT32_MNL 0xff010000 187 #define IPV6_ADDR_INT32_MLL 0xff020000 188 #define IPV6_ADDR_INT32_SMP 0x0000ffff 189 #define IPV6_ADDR_INT16_ULL 0xfe80 190 #define IPV6_ADDR_INT16_USL 0xfec0 191 #define IPV6_ADDR_INT16_MLL 0xff02 192 #elif _BYTE_ORDER == _LITTLE_ENDIAN 193 #define IPV6_ADDR_INT32_ONE 0x01000000 194 #define IPV6_ADDR_INT32_TWO 0x02000000 195 #define IPV6_ADDR_INT32_MNL 0x000001ff 196 #define IPV6_ADDR_INT32_MLL 0x000002ff 197 #define IPV6_ADDR_INT32_SMP 0xffff0000 198 #define IPV6_ADDR_INT16_ULL 0x80fe 199 #define IPV6_ADDR_INT16_USL 0xc0fe 200 #define IPV6_ADDR_INT16_MLL 0x02ff 201 #endif 202 #endif 203 204 /* 205 * Definition of some useful macros to handle IP6 addresses 206 */ 207 #if __BSD_VISIBLE 208 #define IN6ADDR_ANY_INIT \ 209 {{{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ 210 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}} 211 #define IN6ADDR_LOOPBACK_INIT \ 212 {{{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ 213 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}} 214 #define IN6ADDR_NODELOCAL_ALLNODES_INIT \ 215 {{{ 0xff, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ 216 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}} 217 #define IN6ADDR_INTFACELOCAL_ALLNODES_INIT \ 218 {{{ 0xff, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ 219 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}} 220 #define IN6ADDR_LINKLOCAL_ALLNODES_INIT \ 221 {{{ 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ 222 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}} 223 #define IN6ADDR_LINKLOCAL_ALLROUTERS_INIT \ 224 {{{ 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ 225 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02 }}} 226 #endif 227 228 extern const struct in6_addr in6addr_any; 229 extern const struct in6_addr in6addr_loopback; 230 #if __BSD_VISIBLE 231 extern const struct in6_addr in6addr_nodelocal_allnodes; 232 extern const struct in6_addr in6addr_linklocal_allnodes; 233 extern const struct in6_addr in6addr_linklocal_allrouters; 234 #endif 235 236 /* 237 * Equality 238 * NOTE: Some of kernel programming environment (for example, openbsd/sparc) 239 * does not supply memcmp(). For userland memcmp() is preferred as it is 240 * in ANSI standard. 241 */ 242 #ifdef _KERNEL 243 #define IN6_ARE_ADDR_EQUAL(a, b) \ 244 (bcmp(&(a)->s6_addr[0], &(b)->s6_addr[0], sizeof(struct in6_addr)) == 0) 245 #else 246 #if __BSD_VISIBLE 247 #define IN6_ARE_ADDR_EQUAL(a, b) \ 248 (memcmp(&(a)->s6_addr[0], &(b)->s6_addr[0], sizeof(struct in6_addr)) == 0) 249 #endif 250 #endif 251 252 /* 253 * Unspecified 254 */ 255 #define IN6_IS_ADDR_UNSPECIFIED(a) \ 256 ((*(const u_int32_t *)(const void *)(&(a)->s6_addr[0]) == 0) && \ 257 (*(const u_int32_t *)(const void *)(&(a)->s6_addr[4]) == 0) && \ 258 (*(const u_int32_t *)(const void *)(&(a)->s6_addr[8]) == 0) && \ 259 (*(const u_int32_t *)(const void *)(&(a)->s6_addr[12]) == 0)) 260 261 /* 262 * Loopback 263 */ 264 #define IN6_IS_ADDR_LOOPBACK(a) \ 265 ((*(const u_int32_t *)(const void *)(&(a)->s6_addr[0]) == 0) && \ 266 (*(const u_int32_t *)(const void *)(&(a)->s6_addr[4]) == 0) && \ 267 (*(const u_int32_t *)(const void *)(&(a)->s6_addr[8]) == 0) && \ 268 (*(const u_int32_t *)(const void *)(&(a)->s6_addr[12]) == ntohl(1))) 269 270 /* 271 * IPv4 compatible 272 */ 273 #define IN6_IS_ADDR_V4COMPAT(a) \ 274 ((*(const u_int32_t *)(const void *)(&(a)->s6_addr[0]) == 0) && \ 275 (*(const u_int32_t *)(const void *)(&(a)->s6_addr[4]) == 0) && \ 276 (*(const u_int32_t *)(const void *)(&(a)->s6_addr[8]) == 0) && \ 277 (*(const u_int32_t *)(const void *)(&(a)->s6_addr[12]) != 0) && \ 278 (*(const u_int32_t *)(const void *)(&(a)->s6_addr[12]) != ntohl(1))) 279 280 /* 281 * Mapped 282 */ 283 #define IN6_IS_ADDR_V4MAPPED(a) \ 284 ((*(const u_int32_t *)(const void *)(&(a)->s6_addr[0]) == 0) && \ 285 (*(const u_int32_t *)(const void *)(&(a)->s6_addr[4]) == 0) && \ 286 (*(const u_int32_t *)(const void *)(&(a)->s6_addr[8]) == ntohl(0x0000ffff))) 287 288 /* 289 * KAME Scope Values 290 */ 291 292 #ifdef _KERNEL /* XXX nonstandard */ 293 #define IPV6_ADDR_SCOPE_NODELOCAL 0x01 294 #define IPV6_ADDR_SCOPE_INTFACELOCAL 0x01 295 #define IPV6_ADDR_SCOPE_LINKLOCAL 0x02 296 #define IPV6_ADDR_SCOPE_SITELOCAL 0x05 297 #define IPV6_ADDR_SCOPE_ORGLOCAL 0x08 /* just used in this file */ 298 #define IPV6_ADDR_SCOPE_GLOBAL 0x0e 299 #else 300 #define __IPV6_ADDR_SCOPE_NODELOCAL 0x01 301 #define __IPV6_ADDR_SCOPE_INTFACELOCAL 0x01 302 #define __IPV6_ADDR_SCOPE_LINKLOCAL 0x02 303 #define __IPV6_ADDR_SCOPE_SITELOCAL 0x05 304 #define __IPV6_ADDR_SCOPE_ORGLOCAL 0x08 /* just used in this file */ 305 #define __IPV6_ADDR_SCOPE_GLOBAL 0x0e 306 #endif 307 308 /* 309 * Unicast Scope 310 * Note that we must check topmost 10 bits only, not 16 bits (see RFC2373). 311 */ 312 #define IN6_IS_ADDR_LINKLOCAL(a) \ 313 (((a)->s6_addr[0] == 0xfe) && (((a)->s6_addr[1] & 0xc0) == 0x80)) 314 #define IN6_IS_ADDR_SITELOCAL(a) \ 315 (((a)->s6_addr[0] == 0xfe) && (((a)->s6_addr[1] & 0xc0) == 0xc0)) 316 317 /* 318 * Multicast 319 */ 320 #define IN6_IS_ADDR_MULTICAST(a) ((a)->s6_addr[0] == 0xff) 321 322 #ifdef _KERNEL /* XXX nonstandard */ 323 #define IPV6_ADDR_MC_SCOPE(a) ((a)->s6_addr[1] & 0x0f) 324 #else 325 #define __IPV6_ADDR_MC_SCOPE(a) ((a)->s6_addr[1] & 0x0f) 326 #endif 327 328 /* 329 * Multicast Scope 330 */ 331 #ifdef _KERNEL /* refers nonstandard items */ 332 #define IN6_IS_ADDR_MC_NODELOCAL(a) \ 333 (IN6_IS_ADDR_MULTICAST(a) && \ 334 (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_NODELOCAL)) 335 #define IN6_IS_ADDR_MC_INTFACELOCAL(a) \ 336 (IN6_IS_ADDR_MULTICAST(a) && \ 337 (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_INTFACELOCAL)) 338 #define IN6_IS_ADDR_MC_LINKLOCAL(a) \ 339 (IN6_IS_ADDR_MULTICAST(a) && \ 340 (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_LINKLOCAL)) 341 #define IN6_IS_ADDR_MC_SITELOCAL(a) \ 342 (IN6_IS_ADDR_MULTICAST(a) && \ 343 (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_SITELOCAL)) 344 #define IN6_IS_ADDR_MC_ORGLOCAL(a) \ 345 (IN6_IS_ADDR_MULTICAST(a) && \ 346 (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_ORGLOCAL)) 347 #define IN6_IS_ADDR_MC_GLOBAL(a) \ 348 (IN6_IS_ADDR_MULTICAST(a) && \ 349 (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_GLOBAL)) 350 #else 351 #define IN6_IS_ADDR_MC_NODELOCAL(a) \ 352 (IN6_IS_ADDR_MULTICAST(a) && \ 353 (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_NODELOCAL)) 354 #define IN6_IS_ADDR_MC_LINKLOCAL(a) \ 355 (IN6_IS_ADDR_MULTICAST(a) && \ 356 (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_LINKLOCAL)) 357 #define IN6_IS_ADDR_MC_SITELOCAL(a) \ 358 (IN6_IS_ADDR_MULTICAST(a) && \ 359 (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_SITELOCAL)) 360 #define IN6_IS_ADDR_MC_ORGLOCAL(a) \ 361 (IN6_IS_ADDR_MULTICAST(a) && \ 362 (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_ORGLOCAL)) 363 #define IN6_IS_ADDR_MC_GLOBAL(a) \ 364 (IN6_IS_ADDR_MULTICAST(a) && \ 365 (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_GLOBAL)) 366 #endif 367 368 #ifdef _KERNEL /* nonstandard */ 369 /* 370 * KAME Scope 371 */ 372 #define IN6_IS_SCOPE_LINKLOCAL(a) \ 373 ((IN6_IS_ADDR_LINKLOCAL(a)) || \ 374 (IN6_IS_ADDR_MC_LINKLOCAL(a))) 375 376 #define IFA6_IS_DEPRECATED(a) \ 377 ((a)->ia6_lifetime.ia6t_pltime != ND6_INFINITE_LIFETIME && \ 378 (u_int32_t)((time_second - (a)->ia6_updatetime)) > \ 379 (a)->ia6_lifetime.ia6t_pltime) 380 #define IFA6_IS_INVALID(a) \ 381 ((a)->ia6_lifetime.ia6t_vltime != ND6_INFINITE_LIFETIME && \ 382 (u_int32_t)((time_second - (a)->ia6_updatetime)) > \ 383 (a)->ia6_lifetime.ia6t_vltime) 384 #endif /* _KERNEL */ 385 386 /* 387 * IP6 route structure 388 */ 389 #if __BSD_VISIBLE 390 struct route_in6 { 391 struct rtentry *ro_rt; 392 struct sockaddr_in6 ro_dst; 393 }; 394 #endif 395 396 /* 397 * Options for use with [gs]etsockopt at the IPV6 level. 398 * First word of comment is data type; bool is stored in int. 399 */ 400 /* no hdrincl */ 401 #if 0 /* the followings are relic in IPv4 and hence are disabled */ 402 #define IPV6_OPTIONS 1 /* buf/ip6_opts; set/get IP6 options */ 403 #define IPV6_RECVOPTS 5 /* bool; receive all IP6 opts w/dgram */ 404 #define IPV6_RECVRETOPTS 6 /* bool; receive IP6 opts for response */ 405 #define IPV6_RECVDSTADDR 7 /* bool; receive IP6 dst addr w/dgram */ 406 #define IPV6_RETOPTS 8 /* ip6_opts; set/get IP6 options */ 407 #endif 408 #define IPV6_SOCKOPT_RESERVED1 3 /* reserved for future use */ 409 #define IPV6_UNICAST_HOPS 4 /* int; IP6 hops */ 410 #define IPV6_MULTICAST_IF 9 /* u_int; set/get IP6 multicast i/f */ 411 #define IPV6_MULTICAST_HOPS 10 /* int; set/get IP6 multicast hops */ 412 #define IPV6_MULTICAST_LOOP 11 /* u_int; set/get IP6 multicast loopback */ 413 #define IPV6_JOIN_GROUP 12 /* ip6_mreq; join a group membership */ 414 #define IPV6_LEAVE_GROUP 13 /* ip6_mreq; leave a group membership */ 415 #define IPV6_PORTRANGE 14 /* int; range to choose for unspec port */ 416 #define ICMP6_FILTER 18 /* icmp6_filter; icmp6 filter */ 417 /* RFC2292 options */ 418 #ifdef _KERNEL 419 #define IPV6_2292PKTINFO 19 /* bool; send/recv if, src/dst addr */ 420 #define IPV6_2292HOPLIMIT 20 /* bool; hop limit */ 421 #define IPV6_2292NEXTHOP 21 /* bool; next hop addr */ 422 #define IPV6_2292HOPOPTS 22 /* bool; hop-by-hop option */ 423 #define IPV6_2292DSTOPTS 23 /* bool; destinaion option */ 424 #define IPV6_2292RTHDR 24 /* bool; routing header */ 425 #define IPV6_2292PKTOPTIONS 25 /* buf/cmsghdr; set/get IPv6 options */ 426 #endif 427 428 #define IPV6_CHECKSUM 26 /* int; checksum offset for raw socket */ 429 #define IPV6_V6ONLY 27 /* bool; make AF_INET6 sockets v6 only */ 430 #ifndef _KERNEL 431 #define IPV6_BINDV6ONLY IPV6_V6ONLY 432 #endif 433 434 #if 1 /* IPSEC */ 435 #define IPV6_IPSEC_POLICY 28 /* struct; get/set security policy */ 436 #endif 437 #define IPV6_FAITH 29 /* bool; accept FAITH'ed connections */ 438 439 #if 1 /* IPV6FIREWALL */ 440 #define IPV6_FW_ADD 30 /* add a firewall rule to chain */ 441 #define IPV6_FW_DEL 31 /* delete a firewall rule from chain */ 442 #define IPV6_FW_FLUSH 32 /* flush firewall rule chain */ 443 #define IPV6_FW_ZERO 33 /* clear single/all firewall counter(s) */ 444 #define IPV6_FW_GET 34 /* get entire firewall rule chain */ 445 #endif 446 447 /* new socket options introduced in RFC3542 */ 448 #define IPV6_RTHDRDSTOPTS 35 /* ip6_dest; send dst option before rthdr */ 449 450 #define IPV6_RECVPKTINFO 36 /* bool; recv if, dst addr */ 451 #define IPV6_RECVHOPLIMIT 37 /* bool; recv hop limit */ 452 #define IPV6_RECVRTHDR 38 /* bool; recv routing header */ 453 #define IPV6_RECVHOPOPTS 39 /* bool; recv hop-by-hop option */ 454 #define IPV6_RECVDSTOPTS 40 /* bool; recv dst option after rthdr */ 455 #ifdef _KERNEL 456 #define IPV6_RECVRTHDRDSTOPTS 41 /* bool; recv dst option before rthdr */ 457 #endif 458 459 #define IPV6_USE_MIN_MTU 42 /* bool; send packets at the minimum MTU */ 460 #define IPV6_RECVPATHMTU 43 /* bool; notify an according MTU */ 461 462 #define IPV6_PATHMTU 44 /* mtuinfo; get the current path MTU (sopt), 463 4 bytes int; MTU notification (cmsg) */ 464 #if 0 /*obsoleted during 2292bis -> 3542*/ 465 #define IPV6_REACHCONF 45 /* no data; ND reachability confirm 466 (cmsg only/not in of RFC3542) */ 467 #endif 468 469 /* more new socket options introduced in RFC3542 */ 470 #define IPV6_PKTINFO 46 /* in6_pktinfo; send if, src addr */ 471 #define IPV6_HOPLIMIT 47 /* int; send hop limit */ 472 #define IPV6_NEXTHOP 48 /* sockaddr; next hop addr */ 473 #define IPV6_HOPOPTS 49 /* ip6_hbh; send hop-by-hop option */ 474 #define IPV6_DSTOPTS 50 /* ip6_dest; send dst option befor rthdr */ 475 #define IPV6_RTHDR 51 /* ip6_rthdr; send routing header */ 476 #if 0 477 #define IPV6_PKTOPTIONS 52 /* buf/cmsghdr; set/get IPv6 options */ 478 /* obsoleted by RFC3542 */ 479 #endif 480 481 #define IPV6_RECVTCLASS 57 /* bool; recv traffic class values */ 482 483 #define IPV6_AUTOFLOWLABEL 59 /* bool; attach flowlabel automagically */ 484 485 #define IPV6_TCLASS 61 /* int; send traffic class value */ 486 #define IPV6_DONTFRAG 62 /* bool; disable IPv6 fragmentation */ 487 488 #define IPV6_PREFER_TEMPADDR 63 /* int; prefer temporary addresses as 489 * the source address. 490 */ 491 492 /* to define items, should talk with KAME guys first, for *BSD compatibility */ 493 494 #define IPV6_RTHDR_LOOSE 0 /* this hop need not be a neighbor. XXX old spec */ 495 #define IPV6_RTHDR_STRICT 1 /* this hop must be a neighbor. XXX old spec */ 496 #define IPV6_RTHDR_TYPE_0 0 /* IPv6 routing header type 0 */ 497 498 /* 499 * Defaults and limits for options 500 */ 501 #define IPV6_DEFAULT_MULTICAST_HOPS 1 /* normally limit m'casts to 1 hop */ 502 #define IPV6_DEFAULT_MULTICAST_LOOP 1 /* normally hear sends if a member */ 503 504 /* 505 * Argument structure for IPV6_JOIN_GROUP and IPV6_LEAVE_GROUP. 506 */ 507 struct ipv6_mreq { 508 struct in6_addr ipv6mr_multiaddr; 509 unsigned int ipv6mr_interface; 510 }; 511 512 /* 513 * IPV6_PKTINFO: Packet information(RFC2292 sec 5) 514 */ 515 struct in6_pktinfo { 516 struct in6_addr ipi6_addr; /* src/dst IPv6 address */ 517 unsigned int ipi6_ifindex; /* send/recv interface index */ 518 }; 519 520 /* 521 * Control structure for IPV6_RECVPATHMTU socket option. 522 */ 523 struct ip6_mtuinfo { 524 struct sockaddr_in6 ip6m_addr; /* or sockaddr_storage? */ 525 uint32_t ip6m_mtu; 526 }; 527 528 /* 529 * Argument for IPV6_PORTRANGE: 530 * - which range to search when port is unspecified at bind() or connect() 531 */ 532 #define IPV6_PORTRANGE_DEFAULT 0 /* default range */ 533 #define IPV6_PORTRANGE_HIGH 1 /* "high" - request firewall bypass */ 534 #define IPV6_PORTRANGE_LOW 2 /* "low" - vouchsafe security */ 535 536 #if __BSD_VISIBLE 537 /* 538 * Definitions for inet6 sysctl operations. 539 * 540 * Third level is protocol number. 541 * Fourth level is desired variable within that protocol. 542 */ 543 #define IPV6PROTO_MAXID (IPPROTO_PIM + 1) /* don't list to IPV6PROTO_MAX */ 544 545 /* 546 * Names for IP sysctl objects 547 */ 548 #define IPV6CTL_FORWARDING 1 /* act as router */ 549 #define IPV6CTL_SENDREDIRECTS 2 /* may send redirects when forwarding*/ 550 #define IPV6CTL_DEFHLIM 3 /* default Hop-Limit */ 551 #ifdef notyet 552 #define IPV6CTL_DEFMTU 4 /* default MTU */ 553 #endif 554 #define IPV6CTL_FORWSRCRT 5 /* forward source-routed dgrams */ 555 #define IPV6CTL_STATS 6 /* stats */ 556 #define IPV6CTL_MRTSTATS 7 /* multicast forwarding stats */ 557 #define IPV6CTL_MRTPROTO 8 /* multicast routing protocol */ 558 #define IPV6CTL_MAXFRAGPACKETS 9 /* max packets reassembly queue */ 559 #define IPV6CTL_SOURCECHECK 10 /* verify source route and intf */ 560 #define IPV6CTL_SOURCECHECK_LOGINT 11 /* minimume logging interval */ 561 #define IPV6CTL_ACCEPT_RTADV 12 562 #define IPV6CTL_KEEPFAITH 13 563 #define IPV6CTL_LOG_INTERVAL 14 564 #define IPV6CTL_HDRNESTLIMIT 15 565 #define IPV6CTL_DAD_COUNT 16 566 #define IPV6CTL_AUTO_FLOWLABEL 17 567 #define IPV6CTL_DEFMCASTHLIM 18 568 #define IPV6CTL_GIF_HLIM 19 /* default HLIM for gif encap packet */ 569 #define IPV6CTL_KAME_VERSION 20 570 #define IPV6CTL_USE_DEPRECATED 21 /* use deprecated addr (RFC2462 5.5.4) */ 571 #define IPV6CTL_RR_PRUNE 22 /* walk timer for router renumbering */ 572 #if 0 /* obsolete */ 573 #define IPV6CTL_MAPPED_ADDR 23 574 #endif 575 #define IPV6CTL_V6ONLY 24 576 #define IPV6CTL_RTEXPIRE 25 /* cloned route expiration time */ 577 #define IPV6CTL_RTMINEXPIRE 26 /* min value for expiration time */ 578 #define IPV6CTL_RTMAXCACHE 27 /* trigger level for dynamic expire */ 579 580 #define IPV6CTL_USETEMPADDR 32 /* use temporary addresses (RFC3041) */ 581 #define IPV6CTL_TEMPPLTIME 33 /* preferred lifetime for tmpaddrs */ 582 #define IPV6CTL_TEMPVLTIME 34 /* valid lifetime for tmpaddrs */ 583 #define IPV6CTL_AUTO_LINKLOCAL 35 /* automatic link-local addr assign */ 584 #define IPV6CTL_RIP6STATS 36 /* raw_ip6 stats */ 585 #define IPV6CTL_PREFER_TEMPADDR 37 /* prefer temporary addr as src */ 586 #define IPV6CTL_ADDRCTLPOLICY 38 /* get/set address selection policy */ 587 #define IPV6CTL_USE_DEFAULTZONE 39 /* use default scope zone */ 588 589 #define IPV6CTL_MAXFRAGS 41 /* max fragments */ 590 #if 0 591 #define IPV6CTL_IFQ 42 /* ip6intrq node */ 592 #define IPV6CTL_ISATAPRTR 43 /* isatap router */ 593 #endif 594 #define IPV6CTL_MCAST_PMTU 44 /* enable pMTU discovery for multicast? */ 595 596 /* New entries should be added here from current IPV6CTL_MAXID value. */ 597 /* to define items, should talk with KAME guys first, for *BSD compatibility */ 598 #define IPV6CTL_STEALTH 45 599 #define IPV6CTL_RTHDR0_ALLOWED 46 600 #define IPV6CTL_MAXID 47 601 #endif /* __BSD_VISIBLE */ 602 603 /* 604 * Redefinition of mbuf flags 605 */ 606 #define M_AUTHIPHDR M_PROTO2 607 #define M_DECRYPTED M_PROTO3 608 #define M_LOOP M_PROTO4 609 #define M_AUTHIPDGM M_PROTO5 610 611 #ifdef _KERNEL 612 struct cmsghdr; 613 614 int in6_cksum __P((struct mbuf *, u_int8_t, u_int32_t, u_int32_t)); 615 int in6_localaddr __P((struct in6_addr *)); 616 int in6_addrscope __P((struct in6_addr *)); 617 struct in6_ifaddr *in6_ifawithifp __P((struct ifnet *, struct in6_addr *)); 618 extern void in6_if_up __P((struct ifnet *)); 619 struct sockaddr; 620 extern u_char ip6_protox[]; 621 622 void in6_sin6_2_sin __P((struct sockaddr_in *sin, 623 struct sockaddr_in6 *sin6)); 624 void in6_sin_2_v4mapsin6 __P((struct sockaddr_in *sin, 625 struct sockaddr_in6 *sin6)); 626 void in6_sin6_2_sin_in_sock __P((struct sockaddr *nam)); 627 void in6_sin_2_v4mapsin6_in_sock __P((struct sockaddr **nam)); 628 extern void addrsel_policy_init __P((void)); 629 630 #define satosin6(sa) ((struct sockaddr_in6 *)(sa)) 631 #define sin6tosa(sin6) ((struct sockaddr *)(sin6)) 632 #define ifatoia6(ifa) ((struct in6_ifaddr *)(ifa)) 633 634 extern int (*faithprefix_p)(struct in6_addr *); 635 #endif /* _KERNEL */ 636 637 #ifndef _SIZE_T_DECLARED 638 typedef __size_t size_t; 639 #define _SIZE_T_DECLARED 640 #endif 641 642 #ifndef _SOCKLEN_T_DECLARED 643 typedef __socklen_t socklen_t; 644 #define _SOCKLEN_T_DECLARED 645 #endif 646 647 #if __BSD_VISIBLE 648 649 __BEGIN_DECLS 650 struct cmsghdr; 651 652 extern int inet6_option_space __P((int)); 653 extern int inet6_option_init __P((void *, struct cmsghdr **, int)); 654 extern int inet6_option_append __P((struct cmsghdr *, const uint8_t *, 655 int, int)); 656 extern uint8_t *inet6_option_alloc __P((struct cmsghdr *, int, int, int)); 657 extern int inet6_option_next __P((const struct cmsghdr *, uint8_t **)); 658 extern int inet6_option_find __P((const struct cmsghdr *, uint8_t **, int)); 659 660 extern size_t inet6_rthdr_space __P((int, int)); 661 extern struct cmsghdr *inet6_rthdr_init __P((void *, int)); 662 extern int inet6_rthdr_add __P((struct cmsghdr *, const struct in6_addr *, 663 unsigned int)); 664 extern int inet6_rthdr_lasthop __P((struct cmsghdr *, unsigned int)); 665 #if 0 /* not implemented yet */ 666 extern int inet6_rthdr_reverse __P((const struct cmsghdr *, struct cmsghdr *)); 667 #endif 668 extern int inet6_rthdr_segments __P((const struct cmsghdr *)); 669 extern struct in6_addr *inet6_rthdr_getaddr __P((struct cmsghdr *, int)); 670 extern int inet6_rthdr_getflags __P((const struct cmsghdr *, int)); 671 672 extern int inet6_opt_init __P((void *, socklen_t)); 673 extern int inet6_opt_append __P((void *, socklen_t, int, uint8_t, socklen_t, 674 uint8_t, void **)); 675 extern int inet6_opt_finish __P((void *, socklen_t, int)); 676 extern int inet6_opt_set_val __P((void *, int, void *, socklen_t)); 677 678 extern int inet6_opt_next __P((void *, socklen_t, int, uint8_t *, socklen_t *, 679 void **)); 680 extern int inet6_opt_find __P((void *, socklen_t, int, uint8_t, socklen_t *, 681 void **)); 682 extern int inet6_opt_get_val __P((void *, int, void *, socklen_t)); 683 extern socklen_t inet6_rth_space __P((int, int)); 684 extern void *inet6_rth_init __P((void *, socklen_t, int, int)); 685 extern int inet6_rth_add __P((void *, const struct in6_addr *)); 686 extern int inet6_rth_reverse __P((const void *, void *)); 687 extern int inet6_rth_segments __P((const void *)); 688 extern struct in6_addr *inet6_rth_getaddr __P((const void *, int)); 689 __END_DECLS 690 691 #endif /* __BSD_VISIBLE */ 692 693 #endif /* !_NETINET6_IN6_H_ */
Cache object: 480a80ca858474067b6797050d915543
[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]