1 /* $FreeBSD: src/sys/netinet6/in6.h,v 1.7.2.7 2002/08/01 19:38:50 ume Exp $ */ 2 /* $DragonFly: src/sys/netinet6/in6.h,v 1.8 2006/11/03 00:54:55 hsu Exp $ */ 3 /* $KAME: in6.h,v 1.89 2001/05/27 13:28:35 itojun Exp $ */ 4 5 /* 6 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. Neither the name of the project nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 /* 35 * Copyright (c) 1982, 1986, 1990, 1993 36 * The Regents of the University of California. All rights reserved. 37 * 38 * Redistribution and use in source and binary forms, with or without 39 * modification, are permitted provided that the following conditions 40 * are met: 41 * 1. Redistributions of source code must retain the above copyright 42 * notice, this list of conditions and the following disclaimer. 43 * 2. Redistributions in binary form must reproduce the above copyright 44 * notice, this list of conditions and the following disclaimer in the 45 * documentation and/or other materials provided with the distribution. 46 * 3. All advertising materials mentioning features or use of this software 47 * must display the following acknowledgement: 48 * This product includes software developed by the University of 49 * California, Berkeley and its contributors. 50 * 4. Neither the name of the University nor the names of its contributors 51 * may be used to endorse or promote products derived from this software 52 * without specific prior written permission. 53 * 54 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 55 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 56 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 57 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 58 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 59 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 60 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 61 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 62 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 63 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 64 * SUCH DAMAGE. 65 * 66 * @(#)in.h 8.3 (Berkeley) 1/3/94 67 */ 68 69 #ifndef __KAME_NETINET_IN_H_INCLUDED_ 70 #error "do not include netinet6/in6.h directly, include netinet/in.h. see RFC2553" 71 #endif 72 73 #ifndef _NETINET6_IN6_H_ 74 #define _NETINET6_IN6_H_ 75 76 /* 77 * Identification of the network protocol stack 78 * for *BSD-current/release: http://www.kame.net/dev/cvsweb.cgi/kame/COVERAGE 79 * has the table of implementation/integration differences. 80 */ 81 #define __KAME__ 82 #define __KAME_VERSION "20010528/FreeBSD" 83 84 /* 85 * Local port number conventions: 86 * 87 * Ports < IPPORT_RESERVED are reserved for privileged processes (e.g. root), 88 * unless a kernel is compiled with IPNOPRIVPORTS defined. 89 * 90 * When a user does a bind(2) or connect(2) with a port number of zero, 91 * a non-conflicting local port address is chosen. 92 * 93 * The default range is IPPORT_ANONMIN to IPPORT_ANONMAX, although 94 * that is settable by sysctl(3); net.inet.ip.anonportmin and 95 * net.inet.ip.anonportmax respectively. 96 * 97 * A user may set the IPPROTO_IP option IP_PORTRANGE to change this 98 * default assignment range. 99 * 100 * The value IP_PORTRANGE_DEFAULT causes the default behavior. 101 * 102 * The value IP_PORTRANGE_HIGH is the same as IP_PORTRANGE_DEFAULT, 103 * and exists only for FreeBSD compatibility purposes. 104 * 105 * The value IP_PORTRANGE_LOW changes the range to the "low" are 106 * that is (by convention) restricted to privileged processes. 107 * This convention is based on "vouchsafe" principles only. 108 * It is only secure if you trust the remote host to restrict these ports. 109 * The range is IPPORT_RESERVEDMIN to IPPORT_RESERVEDMAX. 110 */ 111 112 #define IPV6PORT_RESERVED 1024 113 #define IPV6PORT_ANONMIN 49152 114 #define IPV6PORT_ANONMAX 65535 115 #define IPV6PORT_RESERVEDMIN 600 116 #define IPV6PORT_RESERVEDMAX (IPV6PORT_RESERVED-1) 117 118 /* 119 * IPv6 address 120 */ 121 struct in6_addr { 122 union { 123 uint8_t __u6_addr8[16]; 124 uint16_t __u6_addr16[8]; 125 uint32_t __u6_addr32[4]; 126 } __u6_addr; /* 128-bit IP6 address */ 127 }; 128 129 #define s6_addr __u6_addr.__u6_addr8 130 #define _s6_addr16 __u6_addr.__u6_addr16 /* internal use */ 131 #define _s6_addr32 __u6_addr.__u6_addr32 /* internal use */ 132 #ifdef _KERNEL /* XXX nonstandard */ 133 #define s6_addr8 __u6_addr.__u6_addr8 134 #define s6_addr16 __u6_addr.__u6_addr16 135 #define s6_addr32 __u6_addr.__u6_addr32 136 #endif 137 138 #define INET6_ADDRSTRLEN 46 139 140 /* 141 * Socket address for IPv6 142 */ 143 #ifndef _XOPEN_SOURCE 144 #define SIN6_LEN 145 #endif 146 struct sockaddr_in6 { 147 uint8_t sin6_len; /* length of this struct(sa_family_t)*/ 148 uint8_t sin6_family; /* AF_INET6 (sa_family_t) */ 149 uint16_t sin6_port; /* Transport layer port # (in_port_t)*/ 150 uint32_t sin6_flowinfo; /* IP6 flow information */ 151 struct in6_addr sin6_addr; /* IP6 address */ 152 uint32_t sin6_scope_id; /* scope zone index */ 153 }; 154 155 /* 156 * Local definition for masks 157 */ 158 #ifdef _KERNEL /* XXX nonstandard */ 159 #define IN6MASK0 {{{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }}} 160 #define IN6MASK32 {{{ 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, \ 161 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}} 162 #define IN6MASK64 {{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \ 163 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}} 164 #define IN6MASK96 {{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \ 165 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00 }}} 166 #define IN6MASK128 {{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \ 167 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }}} 168 #endif 169 170 #ifdef _KERNEL 171 extern const struct sockaddr_in6 sa6_any; 172 173 extern const struct in6_addr in6mask0; 174 extern const struct in6_addr in6mask32; 175 extern const struct in6_addr in6mask64; 176 extern const struct in6_addr in6mask96; 177 extern const struct in6_addr in6mask128; 178 #endif /* _KERNEL */ 179 180 /* 181 * Macros started with IPV6_ADDR is KAME local 182 */ 183 #if BYTE_ORDER == BIG_ENDIAN 184 #define _IPV6_ADDR_INT16_UL_MASK 0xffc0 185 #define _IPV6_ADDR_INT16_ULL 0xfe80 186 #define _IPV6_ADDR_INT16_USL 0xfec0 187 #else 188 #define _IPV6_ADDR_INT16_UL_MASK 0xc0ff 189 #define _IPV6_ADDR_INT16_ULL 0x80fe 190 #define _IPV6_ADDR_INT16_USL 0xc0fe 191 #endif 192 193 #ifdef _KERNEL /* XXX nonstandard */ 194 #if BYTE_ORDER == BIG_ENDIAN 195 #define IPV6_ADDR_INT32_ONE 1 196 #define IPV6_ADDR_INT32_TWO 2 197 #define IPV6_ADDR_INT32_MNL 0xff010000 198 #define IPV6_ADDR_INT32_MLL 0xff020000 199 #define IPV6_ADDR_INT32_SMP 0x0000ffff 200 #define IPV6_ADDR_INT16_MLL 0xff02 201 #elif BYTE_ORDER == LITTLE_ENDIAN 202 #define IPV6_ADDR_INT32_ONE 0x01000000 203 #define IPV6_ADDR_INT32_TWO 0x02000000 204 #define IPV6_ADDR_INT32_MNL 0x000001ff 205 #define IPV6_ADDR_INT32_MLL 0x000002ff 206 #define IPV6_ADDR_INT32_SMP 0xffff0000 207 #define IPV6_ADDR_INT16_MLL 0x02ff 208 #endif 209 #define IPV6_ADDR_INT16_ULL _IPV6_ADDR_INT16_ULL 210 #define IPV6_ADDR_INT16_USL _IPV6_ADDR_INT16_USL 211 #endif 212 213 /* 214 * Definition of some useful macros to handle IP6 addresses 215 */ 216 #define IN6ADDR_ANY_INIT \ 217 {{{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ 218 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}} 219 #define IN6ADDR_LOOPBACK_INIT \ 220 {{{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ 221 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}} 222 #define IN6ADDR_NODELOCAL_ALLNODES_INIT \ 223 {{{ 0xff, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ 224 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}} 225 #define IN6ADDR_LINKLOCAL_ALLNODES_INIT \ 226 {{{ 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ 227 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}} 228 #define IN6ADDR_LINKLOCAL_ALLROUTERS_INIT \ 229 {{{ 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ 230 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02 }}} 231 232 #ifdef _KERNEL 233 extern const struct in6_addr kin6addr_any; 234 extern const struct in6_addr kin6addr_loopback; 235 extern const struct in6_addr kin6addr_nodelocal_allnodes; 236 extern const struct in6_addr kin6addr_linklocal_allnodes; 237 extern const struct in6_addr kin6addr_linklocal_allrouters; 238 #else 239 extern const struct in6_addr in6addr_any; 240 extern const struct in6_addr in6addr_loopback; 241 extern const struct in6_addr in6addr_nodelocal_allnodes; 242 extern const struct in6_addr in6addr_linklocal_allnodes; 243 #endif 244 245 #define IN6_ARE_ADDR_EQUAL(a, b) \ 246 (memcmp(&(a)->s6_addr[0], &(b)->s6_addr[0], sizeof(struct in6_addr)) == 0) 247 248 #ifdef _KERNEL /* non standard */ 249 /* see if two addresses are equal in a scope-conscious manner. */ 250 #define SA6_ARE_ADDR_EQUAL(a, b) \ 251 (((a)->sin6_scope_id == 0 || (b)->sin6_scope_id == 0 || \ 252 (a)->sin6_scope_id == (b)->sin6_scope_id) && \ 253 (bcmp(&(a)->sin6_addr, &(b)->sin6_addr, sizeof(struct in6_addr)) == 0)) 254 #endif 255 256 /* 257 * Unspecified 258 */ 259 #define IN6_IS_ADDR_UNSPECIFIED(a) \ 260 ((a)->_s6_addr32[0] == 0 && (a)->_s6_addr32[1] == 0 && \ 261 (a)->_s6_addr32[2] == 0 && (a)->_s6_addr32[3] == 0) 262 263 /* 264 * Loopback 265 */ 266 #define IN6_IS_ADDR_LOOPBACK(a) \ 267 ((a)->_s6_addr32[0] == 0 && (a)->_s6_addr32[1] == 0 && \ 268 (a)->_s6_addr32[2] == 0 && (a)->_s6_addr32[3] == ntohl(1)) 269 270 /* 271 * Mapped 272 */ 273 #define IN6_IS_ADDR_V4MAPPED(a) \ 274 ((a)->_s6_addr32[0] == 0 && (a)->_s6_addr32[1] == 0 && \ 275 (a)->_s6_addr32[2] == ntohl(0x0000ffff)) 276 277 /* 278 * IPv4 compatible. Deprecated by RFC4291. 279 */ 280 #define IN6_IS_ADDR_V4COMPAT(a) \ 281 ((a)->_s6_addr32[0] == 0 && \ 282 (a)->_s6_addr32[1] == 0 && \ 283 (a)->_s6_addr32[2] == 0 && \ 284 (a)->_s6_addr32[3] != 0 && (a)->_s6_addr32[3] != ntohl(1)) 285 286 /* 287 * KAME Scope Values 288 */ 289 290 #define __IPV6_ADDR_SCOPE_NODELOCAL 0x01 291 #define __IPV6_ADDR_SCOPE_LINKLOCAL 0x02 292 #define __IPV6_ADDR_SCOPE_SITELOCAL 0x05 293 #define __IPV6_ADDR_SCOPE_ORGLOCAL 0x08 /* just used in this file */ 294 #define __IPV6_ADDR_SCOPE_GLOBAL 0x0e 295 296 #ifdef _KERNEL /* XXX nonstandard */ 297 #define IPV6_ADDR_SCOPE_NODELOCAL 0x01 298 #define IPV6_ADDR_SCOPE_LINKLOCAL 0x02 299 #define IPV6_ADDR_SCOPE_SITELOCAL 0x05 300 #define IPV6_ADDR_SCOPE_ORGLOCAL 0x08 /* just used in this file */ 301 #define IPV6_ADDR_SCOPE_GLOBAL 0x0e 302 #endif 303 304 /* 305 * Unicast Scope 306 * Note that we must check topmost 10 bits only, not 16 bits (see RFC2373). 307 */ 308 #define IN6_IS_ADDR_LINKLOCAL(a) \ 309 (((a)->_s6_addr16[0] & _IPV6_ADDR_INT16_UL_MASK) == _IPV6_ADDR_INT16_ULL) 310 #define IN6_IS_ADDR_SITELOCAL(a) \ 311 (((a)->_s6_addr16[0] & _IPV6_ADDR_INT16_UL_MASK) == _IPV6_ADDR_INT16_USL) 312 313 /* 314 * Multicast 315 */ 316 #define IN6_IS_ADDR_MULTICAST(a) ((a)->s6_addr[0] == 0xff) 317 #define __IPV6_ADDR_MC_SCOPE(a) ((a)->s6_addr[1] & 0x0f) 318 #ifdef _KERNEL /* XXX nonstandard */ 319 #define IPV6_ADDR_MC_SCOPE(a) __IPV6_ADDR_MC_SCOPE(a) 320 #endif 321 322 /* 323 * Multicast Scope 324 */ 325 #define IN6_IS_ADDR_MC_NODELOCAL(a) \ 326 (IN6_IS_ADDR_MULTICAST(a) && \ 327 (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_NODELOCAL)) 328 329 #define IN6_IS_ADDR_MC_LINKLOCAL(a) \ 330 (IN6_IS_ADDR_MULTICAST(a) && \ 331 (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_LINKLOCAL)) 332 333 #define IN6_IS_ADDR_MC_SITELOCAL(a) \ 334 (IN6_IS_ADDR_MULTICAST(a) && \ 335 (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_SITELOCAL)) 336 337 #define IN6_IS_ADDR_MC_ORGLOCAL(a) \ 338 (IN6_IS_ADDR_MULTICAST(a) && \ 339 (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_ORGLOCAL)) 340 341 #define IN6_IS_ADDR_MC_GLOBAL(a) \ 342 (IN6_IS_ADDR_MULTICAST(a) && \ 343 (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_GLOBAL)) 344 345 #ifdef _KERNEL /* nonstandard */ 346 /* 347 * KAME Scope 348 */ 349 #define IN6_IS_SCOPE_LINKLOCAL(a) \ 350 (IN6_IS_ADDR_LINKLOCAL(a) || IN6_IS_ADDR_MC_LINKLOCAL(a)) 351 352 #define IFA6_IS_DEPRECATED(a) \ 353 ((a)->ia6_lifetime.ia6t_preferred != 0 && \ 354 (a)->ia6_lifetime.ia6t_preferred < time_second) 355 356 #define IFA6_IS_INVALID(a) \ 357 ((a)->ia6_lifetime.ia6t_expire != 0 && \ 358 (a)->ia6_lifetime.ia6t_expire < time_second) 359 #endif 360 361 /* 362 * IP6 route structure 363 */ 364 #ifndef _XOPEN_SOURCE 365 struct route_in6 { 366 struct rtentry *ro_rt; 367 struct sockaddr_in6 ro_dst; 368 }; 369 #endif 370 371 /* 372 * Options for use with [gs]etsockopt at the IPV6 level. 373 * First word of comment is data type; bool is stored in int. 374 */ 375 /* no hdrincl */ 376 #if 0 /* the followings are relic in IPv4 and hence are disabled */ 377 #define IPV6_OPTIONS 1 /* buf/ip6_opts; set/get IP6 options */ 378 #define IPV6_RECVOPTS 5 /* bool; receive all IP6 opts w/dgram */ 379 #define IPV6_RECVRETOPTS 6 /* bool; receive IP6 opts for response */ 380 #define IPV6_RECVDSTADDR 7 /* bool; receive IP6 dst addr w/dgram */ 381 #define IPV6_RETOPTS 8 /* ip6_opts; set/get IP6 options */ 382 #endif 383 #define IPV6_SOCKOPT_RESERVED1 3 /* reserved for future use */ 384 #define IPV6_UNICAST_HOPS 4 /* int; IP6 hops */ 385 #define IPV6_MULTICAST_IF 9 /* u_int; set/get IP6 multicast i/f */ 386 #define IPV6_MULTICAST_HOPS 10 /* int; set/get IP6 multicast hops */ 387 #define IPV6_MULTICAST_LOOP 11 /* u_int; set/get IP6 multicast loopback */ 388 #define IPV6_JOIN_GROUP 12 /* ip6_mreq; join a group membership */ 389 #define IPV6_LEAVE_GROUP 13 /* ip6_mreq; leave a group membership */ 390 #define IPV6_PORTRANGE 14 /* int; range to choose for unspec port */ 391 #define ICMP6_FILTER 18 /* icmp6_filter; icmp6 filter */ 392 /* RFC2292 options */ 393 #define IPV6_PKTINFO 19 /* bool; send/recv if, src/dst addr */ 394 #define IPV6_HOPLIMIT 20 /* bool; hop limit */ 395 #define IPV6_NEXTHOP 21 /* bool; next hop addr */ 396 #define IPV6_HOPOPTS 22 /* bool; hop-by-hop option */ 397 #define IPV6_DSTOPTS 23 /* bool; destination option */ 398 #define IPV6_RTHDR 24 /* bool; routing header */ 399 #define IPV6_PKTOPTIONS 25 /* buf/cmsghdr; set/get IPv6 options */ 400 401 #define IPV6_CHECKSUM 26 /* int; checksum offset for raw socket */ 402 #define IPV6_V6ONLY 27 /* bool; only bind INET6 at wildcard bind */ 403 #ifndef _KERNEL 404 #define IPV6_BINDV6ONLY IPV6_V6ONLY 405 #endif 406 407 #if 1 /* IPSEC */ 408 #define IPV6_IPSEC_POLICY 28 /* struct; get/set security policy */ 409 #endif 410 #define IPV6_FAITH 29 /* bool; accept FAITH'ed connections */ 411 412 #if 1 /* IPV6FIREWALL */ 413 #define IPV6_FW_ADD 30 /* add a firewall rule to chain */ 414 #define IPV6_FW_DEL 31 /* delete a firewall rule from chain */ 415 #define IPV6_FW_FLUSH 32 /* flush firewall rule chain */ 416 #define IPV6_FW_ZERO 33 /* clear single/all firewall counter(s) */ 417 #define IPV6_FW_GET 34 /* get entire firewall rule chain */ 418 #endif 419 420 /* to define items, should talk with KAME guys first, for *BSD compatibility */ 421 422 #define IPV6_RTHDR_LOOSE 0 /* this hop need not be a neighbor. XXX old spec */ 423 #define IPV6_RTHDR_STRICT 1 /* this hop must be a neighbor. XXX old spec */ 424 #define IPV6_RTHDR_TYPE_0 0 /* IPv6 routing header type 0 */ 425 426 /* 427 * Defaults and limits for options 428 */ 429 #define IPV6_DEFAULT_MULTICAST_HOPS 1 /* normally limit m'casts to 1 hop */ 430 #define IPV6_DEFAULT_MULTICAST_LOOP 1 /* normally hear sends if a member */ 431 432 /* 433 * Argument structure for IPV6_JOIN_GROUP and IPV6_LEAVE_GROUP. 434 */ 435 struct ipv6_mreq { 436 struct in6_addr ipv6mr_multiaddr; 437 unsigned int ipv6mr_interface; 438 }; 439 440 /* 441 * IPV6_PKTINFO: Packet information(RFC2292 sec 5) 442 */ 443 struct in6_pktinfo { 444 struct in6_addr ipi6_addr; /* src/dst IPv6 address */ 445 unsigned int ipi6_ifindex; /* send/recv interface index */ 446 }; 447 448 /* 449 * Argument for IPV6_PORTRANGE: 450 * - which range to search when port is unspecified at bind() or connect() 451 */ 452 #define IPV6_PORTRANGE_DEFAULT 0 /* default range */ 453 #define IPV6_PORTRANGE_HIGH 1 /* "high" - request firewall bypass */ 454 #define IPV6_PORTRANGE_LOW 2 /* "low" - vouchsafe security */ 455 456 #ifndef _XOPEN_SOURCE 457 /* 458 * Definitions for inet6 sysctl operations. 459 * 460 * Third level is protocol number. 461 * Fourth level is desired variable within that protocol. 462 */ 463 #define IPV6PROTO_MAXID (IPPROTO_PIM + 1) /* don't list to IPV6PROTO_MAX */ 464 465 #define CTL_IPV6PROTO_NAMES { \ 466 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 467 { 0, 0 }, \ 468 { "tcp6", CTLTYPE_NODE }, \ 469 { 0, 0 }, \ 470 { 0, 0 }, \ 471 { 0, 0 }, \ 472 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 473 { 0, 0 }, \ 474 { 0, 0 }, \ 475 { "udp6", CTLTYPE_NODE }, \ 476 { 0, 0 }, \ 477 { 0, 0 }, \ 478 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 479 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 480 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 481 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 482 { 0, 0 }, \ 483 { "ip6", CTLTYPE_NODE }, \ 484 { 0, 0 }, \ 485 { 0, 0 }, \ 486 { 0, 0 }, \ 487 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 488 { 0, 0 }, \ 489 { "ipsec6", CTLTYPE_NODE }, \ 490 { 0, 0 }, \ 491 { 0, 0 }, \ 492 { 0, 0 }, \ 493 { 0, 0 }, \ 494 { 0, 0 }, \ 495 { 0, 0 }, \ 496 { "icmp6", CTLTYPE_NODE }, \ 497 { 0, 0 }, \ 498 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 499 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 500 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 501 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 502 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 503 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 504 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 505 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 506 { 0, 0 }, \ 507 { 0, 0 }, \ 508 { 0, 0 }, \ 509 { "pim6", CTLTYPE_NODE }, \ 510 } 511 512 /* 513 * Names for IP sysctl objects 514 */ 515 #define IPV6CTL_FORWARDING 1 /* act as router */ 516 #define IPV6CTL_SENDREDIRECTS 2 /* may send redirects when forwarding*/ 517 #define IPV6CTL_DEFHLIM 3 /* default Hop-Limit */ 518 #ifdef notyet 519 #define IPV6CTL_DEFMTU 4 /* default MTU */ 520 #endif 521 #define IPV6CTL_FORWSRCRT 5 /* forward source-routed dgrams */ 522 #define IPV6CTL_STATS 6 /* stats */ 523 #define IPV6CTL_MRTSTATS 7 /* multicast forwarding stats */ 524 #define IPV6CTL_MRTPROTO 8 /* multicast routing protocol */ 525 #define IPV6CTL_MAXFRAGPACKETS 9 /* max packets reassembly queue */ 526 #define IPV6CTL_SOURCECHECK 10 /* verify source route and intf */ 527 #define IPV6CTL_SOURCECHECK_LOGINT 11 /* minimume logging interval */ 528 #define IPV6CTL_ACCEPT_RTADV 12 529 #define IPV6CTL_KEEPFAITH 13 530 #define IPV6CTL_LOG_INTERVAL 14 531 #define IPV6CTL_HDRNESTLIMIT 15 532 #define IPV6CTL_DAD_COUNT 16 533 #define IPV6CTL_AUTO_FLOWLABEL 17 534 #define IPV6CTL_DEFMCASTHLIM 18 535 #define IPV6CTL_GIF_HLIM 19 /* default HLIM for gif encap packet */ 536 #define IPV6CTL_KAME_VERSION 20 537 #define IPV6CTL_USE_DEPRECATED 21 /* use deprecated addr (RFC2462 5.5.4) */ 538 #define IPV6CTL_RR_PRUNE 22 /* walk timer for router renumbering */ 539 #if 0 /* obsolete */ 540 #define IPV6CTL_MAPPED_ADDR 23 541 #endif 542 #define IPV6CTL_V6ONLY 24 543 #define IPV6CTL_RTEXPIRE 25 /* cloned route expiration time */ 544 #define IPV6CTL_RTMINEXPIRE 26 /* min value for expiration time */ 545 #define IPV6CTL_RTMAXCACHE 27 /* trigger level for dynamic expire */ 546 547 #define IPV6CTL_USETEMPADDR 32 /* use temporary addresses (RFC3041) */ 548 #define IPV6CTL_TEMPPLTIME 33 /* preferred lifetime for tmpaddrs */ 549 #define IPV6CTL_TEMPVLTIME 34 /* valid lifetime for tmpaddrs */ 550 #define IPV6CTL_AUTO_LINKLOCAL 35 /* automatic link-local addr assign */ 551 #define IPV6CTL_RIP6STATS 36 /* raw_ip6 stats */ 552 553 /* New entries should be added here from current IPV6CTL_MAXID value. */ 554 /* to define items, should talk with KAME guys first, for *BSD compatibility */ 555 #define IPV6CTL_MAXID 37 556 557 #endif /* !_XOPEN_SOURCE */ 558 559 /* 560 * Redefinition of mbuf flags 561 */ 562 #define M_AUTHIPHDR M_PROTO2 563 #define M_DECRYPTED M_PROTO3 564 #define M_LOOP M_PROTO4 565 #define M_AUTHIPDGM M_PROTO5 566 567 #ifdef _KERNEL 568 569 struct ifnet; 570 struct mbuf; 571 struct sockaddr; 572 struct sockaddr_in; 573 struct sockaddr_in6; 574 575 int in6_cksum (struct mbuf *, uint8_t, uint32_t, uint32_t); 576 int in6_localaddr (struct in6_addr *); 577 int in6_addrscope (struct in6_addr *); 578 struct in6_ifaddr *in6_ifawithscope (struct ifnet *, struct in6_addr *); 579 struct in6_ifaddr *in6_ifawithifp (struct ifnet *, struct in6_addr *); 580 void in6_if_up (struct ifnet *); 581 582 void in6_sin6_2_sin (struct sockaddr_in *sin, struct sockaddr_in6 *sin6); 583 void in6_sin_2_v4mapsin6(struct sockaddr_in *sin, struct sockaddr_in6 *sin6); 584 void in6_sin6_2_sin_in_sock (struct sockaddr *nam); 585 void in6_sin_2_v4mapsin6_in_sock (struct sockaddr **nam); 586 587 #define satosin6(sa) ((struct sockaddr_in6 *)(sa)) 588 #define sin6tosa(sin6) ((struct sockaddr *)(sin6)) 589 #define ifatoia6(ifa) ((struct in6_ifaddr *)(ifa)) 590 591 extern int (*faithprefix_p)(struct in6_addr *); 592 #endif /* _KERNEL */ 593 594 #include <sys/cdefs.h> /* for __BEGIN_DECLS and __END_DECLS */ 595 596 __BEGIN_DECLS 597 struct cmsghdr; 598 599 uint8_t *inet6_option_alloc (struct cmsghdr *, int, int, int); 600 int inet6_option_append (struct cmsghdr *, const uint8_t *, int, int); 601 int inet6_option_find (const struct cmsghdr *, uint8_t **, int); 602 int inet6_option_init (void *, struct cmsghdr **, int); 603 int inet6_option_next (const struct cmsghdr *, uint8_t **); 604 int inet6_option_space (int); 605 606 int inet6_opt_append (void *, size_t, int, uint8_t, size_t, uint8_t, void **); 607 int inet6_opt_find (void *, size_t, int, uint8_t, size_t *, void **); 608 int inet6_opt_finish (void *, size_t, int); 609 int inet6_opt_get_val (void *, size_t, void *, int); 610 int inet6_opt_init (void *, size_t); 611 int inet6_opt_next (void *, size_t, int, uint8_t *, size_t *, void **); 612 int inet6_opt_set_val (void *, size_t, void *, int); 613 614 int inet6_rth_add (void *, const struct in6_addr *); 615 struct in6_addr *inet6_rth_getaddr (const void *, int); 616 void *inet6_rth_init (void *, int, int, int); 617 int inet6_rth_reverse (const void *, void *); 618 int inet6_rth_segments (const void *); 619 size_t inet6_rth_space (int, int); 620 621 int inet6_rthdr_add (struct cmsghdr *, const struct in6_addr *, 622 unsigned int); 623 struct in6_addr *inet6_rthdr_getaddr (struct cmsghdr *, int); 624 int inet6_rthdr_getflags (const struct cmsghdr *, int); 625 struct cmsghdr *inet6_rthdr_init (void *, int); 626 int inet6_rthdr_lasthop (struct cmsghdr *, unsigned int); 627 #if 0 /* not implemented yet */ 628 int inet6_rthdr_reverse (const struct cmsghdr *, struct cmsghdr *); 629 #endif 630 int inet6_rthdr_segments (const struct cmsghdr *); 631 size_t inet6_rthdr_space (int, int); 632 __END_DECLS 633 634 #endif /* !_NETINET6_IN6_H_ */ 635