1 /* 2 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the project nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 /* 31 * Copyright (c) 1982, 1986, 1990, 1993 32 * The Regents of the University of California. All rights reserved. 33 * 34 * Redistribution and use in source and binary forms, with or without 35 * modification, are permitted provided that the following conditions 36 * are met: 37 * 1. Redistributions of source code must retain the above copyright 38 * notice, this list of conditions and the following disclaimer. 39 * 2. Redistributions in binary form must reproduce the above copyright 40 * notice, this list of conditions and the following disclaimer in the 41 * documentation and/or other materials provided with the distribution. 42 * 3. All advertising materials mentioning features or use of this software 43 * must display the following acknowledgement: 44 * This product includes software developed by the University of 45 * California, Berkeley and its contributors. 46 * 4. Neither the name of the University nor the names of its contributors 47 * may be used to endorse or promote products derived from this software 48 * without specific prior written permission. 49 * 50 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 51 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 52 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 53 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 54 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 55 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 56 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 57 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 58 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 59 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 60 * SUCH DAMAGE. 61 * 62 * @(#)in.h 8.3 (Berkeley) 1/3/94 63 * $FreeBSD$ 64 */ 65 66 #ifndef _NETINET6_IN6_H_ 67 #define _NETINET6_IN6_H_ 68 69 #if !defined(_XOPEN_SOURCE) 70 #include <sys/queue.h> 71 #endif 72 73 /* 74 * Identification of the network protocol stack 75 */ 76 #define __KAME__ 77 #define __KAME_VERSION "SNAP 19991101" 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_ANONMIX 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 */ 106 107 #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) 112 113 /* 114 * IPv6 address 115 */ 116 struct in6_addr { 117 union { 118 u_int8_t __u6_addr8[16]; 119 u_int16_t __u6_addr16[8]; 120 u_int32_t __u6_addr32[4]; 121 } __u6_addr; /* 128-bit IP6 address */ 122 }; 123 124 #define s6_addr __u6_addr.__u6_addr8 125 #ifdef _KERNEL /*XXX nonstandard*/ 126 #define s6_addr8 __u6_addr.__u6_addr8 127 #define s6_addr16 __u6_addr.__u6_addr16 128 #define s6_addr32 __u6_addr.__u6_addr32 129 #endif 130 131 #define INET6_ADDRSTRLEN 46 132 133 /* 134 * Socket address for IPv6 135 */ 136 #if !defined(_XOPEN_SOURCE) 137 #define SIN6_LEN 138 #endif 139 struct sockaddr_in6 { 140 u_char sin6_len; /* length of this struct(sa_family_t)*/ 141 u_char sin6_family; /* AF_INET6 (sa_family_t) */ 142 u_int16_t sin6_port; /* Transport layer port # (in_port_t)*/ 143 u_int32_t sin6_flowinfo; /* IP6 flow information */ 144 struct in6_addr sin6_addr; /* IP6 address */ 145 u_int32_t sin6_scope_id; /* intface scope id */ 146 }; 147 148 /* 149 * Local definition for masks 150 */ 151 #ifdef _KERNEL /*XXX nonstandard*/ 152 #define IN6MASK0 {{{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }}} 153 #define IN6MASK32 {{{ 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, \ 154 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}} 155 #define IN6MASK64 {{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \ 156 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}} 157 #define IN6MASK96 {{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \ 158 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00 }}} 159 #define IN6MASK128 {{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \ 160 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }}} 161 #endif 162 163 #ifdef _KERNEL 164 extern const struct in6_addr in6mask0; 165 extern const struct in6_addr in6mask32; 166 extern const struct in6_addr in6mask64; 167 extern const struct in6_addr in6mask96; 168 extern const struct in6_addr in6mask128; 169 #endif /* _KERNEL */ 170 171 /* 172 * Macros started with IPV6_ADDR is KAME local 173 */ 174 #ifdef _KERNEL /*XXX nonstandard*/ 175 #if BYTE_ORDER == BIG_ENDIAN 176 #define IPV6_ADDR_INT32_ONE 1 177 #define IPV6_ADDR_INT32_TWO 2 178 #define IPV6_ADDR_INT32_MNL 0xff010000 179 #define IPV6_ADDR_INT32_MLL 0xff020000 180 #define IPV6_ADDR_INT32_SMP 0x0000ffff 181 #define IPV6_ADDR_INT16_ULL 0xfe80 182 #define IPV6_ADDR_INT16_USL 0xfec0 183 #define IPV6_ADDR_INT16_MLL 0xff02 184 #elif BYTE_ORDER == LITTLE_ENDIAN 185 #define IPV6_ADDR_INT32_ONE 0x01000000 186 #define IPV6_ADDR_INT32_TWO 0x02000000 187 #define IPV6_ADDR_INT32_MNL 0x000001ff 188 #define IPV6_ADDR_INT32_MLL 0x000002ff 189 #define IPV6_ADDR_INT32_SMP 0xffff0000 190 #define IPV6_ADDR_INT16_ULL 0x80fe 191 #define IPV6_ADDR_INT16_USL 0xc0fe 192 #define IPV6_ADDR_INT16_MLL 0x02ff 193 #endif 194 #endif 195 196 /* 197 * Definition of some useful macros to handle IP6 addresses 198 */ 199 #define IN6ADDR_ANY_INIT \ 200 {{{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ 201 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}} 202 #define IN6ADDR_LOOPBACK_INIT \ 203 {{{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ 204 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}} 205 #define IN6ADDR_NODELOCAL_ALLNODES_INIT \ 206 {{{ 0xff, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ 207 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}} 208 #define IN6ADDR_LINKLOCAL_ALLNODES_INIT \ 209 {{{ 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ 210 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}} 211 #define IN6ADDR_LINKLOCAL_ALLROUTERS_INIT \ 212 {{{ 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ 213 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02 }}} 214 215 extern const struct in6_addr in6addr_any; 216 extern const struct in6_addr in6addr_loopback; 217 extern const struct in6_addr in6addr_nodelocal_allnodes; 218 extern const struct in6_addr in6addr_linklocal_allnodes; 219 extern const struct in6_addr in6addr_linklocal_allrouters; 220 221 /* 222 * Equality 223 * NOTE: Some of kernel programming environment (for example, openbsd/sparc) 224 * does not supply memcmp(). For userland memcmp() is preferred as it is 225 * in ANSI standard. 226 */ 227 #ifdef _KERNEL 228 #define IN6_ARE_ADDR_EQUAL(a, b) \ 229 (bcmp((a), (b), sizeof(struct in6_addr)) == 0) 230 #else 231 #define IN6_ARE_ADDR_EQUAL(a, b) \ 232 (memcmp((a), (b), sizeof(struct in6_addr)) == 0) 233 #endif 234 235 /* 236 * Unspecified 237 */ 238 #define IN6_IS_ADDR_UNSPECIFIED(a) \ 239 ((*(u_int32_t *)(&(a)->s6_addr[0]) == 0) && \ 240 (*(u_int32_t *)(&(a)->s6_addr[4]) == 0) && \ 241 (*(u_int32_t *)(&(a)->s6_addr[8]) == 0) && \ 242 (*(u_int32_t *)(&(a)->s6_addr[12]) == 0)) 243 244 /* 245 * Loopback 246 */ 247 #define IN6_IS_ADDR_LOOPBACK(a) \ 248 ((*(u_int32_t *)(&(a)->s6_addr[0]) == 0) && \ 249 (*(u_int32_t *)(&(a)->s6_addr[4]) == 0) && \ 250 (*(u_int32_t *)(&(a)->s6_addr[8]) == 0) && \ 251 (*(u_int32_t *)(&(a)->s6_addr[12]) == ntohl(1))) 252 253 /* 254 * IPv4 compatible 255 */ 256 #define IN6_IS_ADDR_V4COMPAT(a) \ 257 ((*(u_int32_t *)(&(a)->s6_addr[0]) == 0) && \ 258 (*(u_int32_t *)(&(a)->s6_addr[4]) == 0) && \ 259 (*(u_int32_t *)(&(a)->s6_addr[8]) == 0) && \ 260 (*(u_int32_t *)(&(a)->s6_addr[12]) != 0) && \ 261 (*(u_int32_t *)(&(a)->s6_addr[12]) != ntohl(1))) 262 263 /* 264 * Mapped 265 */ 266 #define IN6_IS_ADDR_V4MAPPED(a) \ 267 ((*(u_int32_t *)(&(a)->s6_addr[0]) == 0) && \ 268 (*(u_int32_t *)(&(a)->s6_addr[4]) == 0) && \ 269 (*(u_int32_t *)(&(a)->s6_addr[8]) == ntohl(0x0000ffff))) 270 271 /* 272 * KAME Scope Values 273 */ 274 275 #ifdef _KERNEL /*XXX nonstandard*/ 276 #define IPV6_ADDR_SCOPE_NODELOCAL 0x01 277 #define IPV6_ADDR_SCOPE_LINKLOCAL 0x02 278 #define IPV6_ADDR_SCOPE_SITELOCAL 0x05 279 #define IPV6_ADDR_SCOPE_ORGLOCAL 0x08 /* just used in this file */ 280 #define IPV6_ADDR_SCOPE_GLOBAL 0x0e 281 #else 282 #define __IPV6_ADDR_SCOPE_NODELOCAL 0x01 283 #define __IPV6_ADDR_SCOPE_LINKLOCAL 0x02 284 #define __IPV6_ADDR_SCOPE_SITELOCAL 0x05 285 #define __IPV6_ADDR_SCOPE_ORGLOCAL 0x08 /* just used in this file */ 286 #define __IPV6_ADDR_SCOPE_GLOBAL 0x0e 287 #endif 288 289 /* 290 * Unicast Scope 291 * Note that we must check topmost 10 bits only, not 16 bits (see RFC2373). 292 */ 293 #define IN6_IS_ADDR_LINKLOCAL(a) \ 294 (((a)->s6_addr[0] == 0xfe) && (((a)->s6_addr[1] & 0xc0) == 0x80)) 295 #define IN6_IS_ADDR_SITELOCAL(a) \ 296 (((a)->s6_addr[0] == 0xfe) && (((a)->s6_addr[1] & 0xc0) == 0xc0)) 297 298 /* 299 * Multicast 300 */ 301 #define IN6_IS_ADDR_MULTICAST(a) ((a)->s6_addr[0] == 0xff) 302 303 #ifdef _KERNEL /*XXX nonstandard*/ 304 #define IPV6_ADDR_MC_SCOPE(a) ((a)->s6_addr[1] & 0x0f) 305 #else 306 #define __IPV6_ADDR_MC_SCOPE(a) ((a)->s6_addr[1] & 0x0f) 307 #endif 308 309 /* 310 * Multicast Scope 311 */ 312 #ifdef _KERNEL /*refers nonstandard items */ 313 #define IN6_IS_ADDR_MC_NODELOCAL(a) \ 314 (IN6_IS_ADDR_MULTICAST(a) && \ 315 (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_NODELOCAL)) 316 #define IN6_IS_ADDR_MC_LINKLOCAL(a) \ 317 (IN6_IS_ADDR_MULTICAST(a) && \ 318 (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_LINKLOCAL)) 319 #define IN6_IS_ADDR_MC_SITELOCAL(a) \ 320 (IN6_IS_ADDR_MULTICAST(a) && \ 321 (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_SITELOCAL)) 322 #define IN6_IS_ADDR_MC_ORGLOCAL(a) \ 323 (IN6_IS_ADDR_MULTICAST(a) && \ 324 (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_ORGLOCAL)) 325 #define IN6_IS_ADDR_MC_GLOBAL(a) \ 326 (IN6_IS_ADDR_MULTICAST(a) && \ 327 (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_GLOBAL)) 328 #else 329 #define IN6_IS_ADDR_MC_NODELOCAL(a) \ 330 (IN6_IS_ADDR_MULTICAST(a) && \ 331 (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_NODELOCAL)) 332 #define IN6_IS_ADDR_MC_LINKLOCAL(a) \ 333 (IN6_IS_ADDR_MULTICAST(a) && \ 334 (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_LINKLOCAL)) 335 #define IN6_IS_ADDR_MC_SITELOCAL(a) \ 336 (IN6_IS_ADDR_MULTICAST(a) && \ 337 (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_SITELOCAL)) 338 #define IN6_IS_ADDR_MC_ORGLOCAL(a) \ 339 (IN6_IS_ADDR_MULTICAST(a) && \ 340 (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_ORGLOCAL)) 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 #endif 345 346 /* 347 * KAME Scope 348 */ 349 #ifdef _KERNEL /*nonstandard*/ 350 #define IN6_IS_SCOPE_LINKLOCAL(a) \ 351 ((IN6_IS_ADDR_LINKLOCAL(a)) || \ 352 (IN6_IS_ADDR_MC_LINKLOCAL(a))) 353 #endif 354 355 /* 356 * IP6 route structure 357 */ 358 #if !defined(_XOPEN_SOURCE) 359 struct route_in6 { 360 struct rtentry *ro_rt; 361 struct sockaddr_in6 ro_dst; 362 }; 363 #endif 364 365 /* 366 * Options for use with [gs]etsockopt at the IPV6 level. 367 * First word of comment is data type; bool is stored in int. 368 */ 369 #define IPV6_OPTIONS 1 /* buf/ip6_opts; set/get IP6 options */ 370 /* no hdrincl */ 371 #define IPV6_SOCKOPT_RESERVED1 3 /* reserved for future use */ 372 #define IPV6_UNICAST_HOPS 4 /* int; IP6 hops */ 373 #define IPV6_RECVOPTS 5 /* bool; receive all IP6 opts w/dgram */ 374 #define IPV6_RECVRETOPTS 6 /* bool; receive IP6 opts for response */ 375 #define IPV6_RECVDSTADDR 7 /* bool; receive IP6 dst addr w/dgram */ 376 #define IPV6_RETOPTS 8 /* ip6_opts; set/get IP6 options */ 377 #define IPV6_MULTICAST_IF 9 /* u_char; set/get IP6 multicast i/f */ 378 #define IPV6_MULTICAST_HOPS 10 /* u_char; set/get IP6 multicast hops */ 379 #define IPV6_MULTICAST_LOOP 11 /* u_char; set/get IP6 multicast loopback */ 380 #define IPV6_JOIN_GROUP 12 /* ip6_mreq; join a group membership */ 381 #define IPV6_LEAVE_GROUP 13 /* ip6_mreq; leave a group membership */ 382 #define IPV6_PORTRANGE 14 /* int; range to choose for unspec port */ 383 #define ICMP6_FILTER 18 /* icmp6_filter; icmp6 filter */ 384 #define IPV6_PKTINFO 19 /* bool; send/rcv if, src/dst addr */ 385 #define IPV6_HOPLIMIT 20 /* bool; hop limit */ 386 #define IPV6_NEXTHOP 21 /* bool; next hop addr */ 387 #define IPV6_HOPOPTS 22 /* bool; hop-by-hop option */ 388 #define IPV6_DSTOPTS 23 /* bool; destination option */ 389 #define IPV6_RTHDR 24 /* bool; routing header */ 390 #define IPV6_PKTOPTIONS 25 /* buf/cmsghdr; set/get IPv6 options */ 391 #define IPV6_CHECKSUM 26 /* int; checksum offset for raw socket */ 392 #define IPV6_BINDV6ONLY 27 /* bool; only bind INET6 at null bind */ 393 394 /* for IPsec */ 395 #define IPV6_IPSEC_POLICY 28 /* struct; get/set security policy */ 396 #define IPV6_FAITH 29 /* bool; accept FAITH'ed connections */ 397 398 /* for IPV6FIREWALL */ 399 #define IPV6_FW_ADD 30 /* add a firewall rule to chain */ 400 #define IPV6_FW_DEL 31 /* delete a firewall rule from chain */ 401 #define IPV6_FW_FLUSH 32 /* flush firewall rule chain */ 402 #define IPV6_FW_ZERO 33 /* clear single/all firewall counter(s) */ 403 #define IPV6_FW_GET 34 /* get entire firewall rule chain */ 404 405 #define IPV6_RTHDR_LOOSE 0 /* this hop need not be a neighbor. XXX old spec */ 406 #define IPV6_RTHDR_STRICT 1 /* this hop must be a neighbor. XXX old spec */ 407 #define IPV6_RTHDR_TYPE_0 0 /* IPv6 routing header type 0 */ 408 409 /* 410 * Defaults and limits for options 411 */ 412 #define IPV6_DEFAULT_MULTICAST_HOPS 1 /* normally limit m'casts to 1 hop */ 413 #define IPV6_DEFAULT_MULTICAST_LOOP 1 /* normally hear sends if a member */ 414 415 /* 416 * Argument structure for IPV6_JOIN_GROUP and IPV6_LEAVE_GROUP. 417 */ 418 struct ipv6_mreq { 419 struct in6_addr ipv6mr_multiaddr; 420 u_int ipv6mr_interface; 421 }; 422 423 /* 424 * IPV6_PKTINFO: Packet information(RFC2292 sec 5) 425 */ 426 struct in6_pktinfo { 427 struct in6_addr ipi6_addr; /* src/dst IPv6 address */ 428 u_int ipi6_ifindex; /* send/recv interface index */ 429 }; 430 431 /* 432 * Argument for IPV6_PORTRANGE: 433 * - which range to search when port is unspecified at bind() or connect() 434 */ 435 #define IPV6_PORTRANGE_DEFAULT 0 /* default range */ 436 #define IPV6_PORTRANGE_HIGH 1 /* "high" - request firewall bypass */ 437 #define IPV6_PORTRANGE_LOW 2 /* "low" - vouchsafe security */ 438 439 #if !defined(_XOPEN_SOURCE) 440 /* 441 * Definitions for inet6 sysctl operations. 442 * 443 * Third level is protocol number. 444 * Fourth level is desired variable within that protocol. 445 */ 446 #define IPV6PROTO_MAXID (IPPROTO_PIM + 1) /* don't list to IPV6PROTO_MAX */ 447 448 #define CTL_IPV6PROTO_NAMES { \ 449 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 450 { 0, 0 }, \ 451 { "tcp6", CTLTYPE_NODE }, \ 452 { 0, 0 }, \ 453 { 0, 0 }, \ 454 { 0, 0 }, \ 455 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 456 { 0, 0 }, \ 457 { 0, 0 }, \ 458 { "udp6", CTLTYPE_NODE }, \ 459 { 0, 0 }, \ 460 { 0, 0 }, \ 461 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 462 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 463 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 464 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 465 { 0, 0 }, \ 466 { "ip6", CTLTYPE_NODE }, \ 467 { 0, 0 }, \ 468 { 0, 0 }, \ 469 { 0, 0 }, \ 470 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 471 { 0, 0 }, \ 472 { "ipsec6", CTLTYPE_NODE }, \ 473 { 0, 0 }, \ 474 { 0, 0 }, \ 475 { 0, 0 }, \ 476 { 0, 0 }, \ 477 { 0, 0 }, \ 478 { 0, 0 }, \ 479 { "icmp6", CTLTYPE_NODE }, \ 480 { 0, 0 }, \ 481 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 482 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 483 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 484 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 485 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 486 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 487 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 488 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 489 { 0, 0 }, \ 490 { 0, 0 }, \ 491 { 0, 0 }, \ 492 { "pim6", CTLTYPE_NODE }, \ 493 } 494 495 /* 496 * Names for IP sysctl objects 497 */ 498 #define IPV6CTL_FORWARDING 1 /* act as router */ 499 #define IPV6CTL_SENDREDIRECTS 2 /* may send redirects when forwarding*/ 500 #define IPV6CTL_DEFHLIM 3 /* default Hop-Limit */ 501 #ifdef notyet 502 #define IPV6CTL_DEFMTU 4 /* default MTU */ 503 #endif 504 #define IPV6CTL_FORWSRCRT 5 /* forward source-routed dgrams */ 505 #define IPV6CTL_STATS 6 /* stats */ 506 #define IPV6CTL_MRTSTATS 7 /* multicast forwarding stats */ 507 #define IPV6CTL_MRTPROTO 8 /* multicast routing protocol */ 508 #define IPV6CTL_MAXFRAGPACKETS 9 /* max packets reassembly queue */ 509 #define IPV6CTL_SOURCECHECK 10 /* verify source route and intf */ 510 #define IPV6CTL_SOURCECHECK_LOGINT 11 /* minimume logging interval */ 511 #define IPV6CTL_ACCEPT_RTADV 12 512 #define IPV6CTL_KEEPFAITH 13 513 #define IPV6CTL_LOG_INTERVAL 14 514 #define IPV6CTL_HDRNESTLIMIT 15 515 #define IPV6CTL_DAD_COUNT 16 516 #define IPV6CTL_AUTO_FLOWLABEL 17 517 #define IPV6CTL_DEFMCASTHLIM 18 518 #define IPV6CTL_GIF_HLIM 19 /* default HLIM for gif encap packet */ 519 #define IPV6CTL_KAME_VERSION 20 520 #define IPV6CTL_USE_DEPRECATED 21 /* use deprecated addr (RFC2462 5.5.4) */ 521 #define IPV6CTL_RR_PRUNE 22 /* walk timer for router renumbering */ 522 #define IPV6CTL_MAPPED_ADDR 23 523 /* New entries should be added here from current IPV6CTL_MAXID value. */ 524 #define IPV6CTL_MAXID 24 525 #endif /* !_XOPEN_SOURCE */ 526 527 /* 528 * Redefinition of mbuf flags 529 */ 530 #define M_ANYCAST6 M_PROTO1 531 #define M_AUTHIPHDR M_PROTO2 532 #define M_DECRYPTED M_PROTO3 533 #define M_LOOP M_PROTO4 534 #define M_AUTHIPDGM M_PROTO5 535 536 #ifdef _KERNEL 537 struct cmsghdr; 538 struct mbuf; 539 struct ifnet; 540 541 int in6_canforward __P((struct in6_addr *, struct in6_addr *)); 542 int in6_cksum __P((struct mbuf *, u_int8_t, int, int)); 543 int in6_localaddr __P((struct in6_addr *)); 544 int in6_addrscope __P((struct in6_addr *)); 545 struct in6_ifaddr *in6_ifawithscope __P((struct ifnet *, struct in6_addr *)); 546 struct in6_ifaddr *in6_ifawithifp __P((struct ifnet *, struct in6_addr *)); 547 extern void in6_if_up __P((struct ifnet *)); 548 struct sockaddr; 549 550 void in6_sin6_2_sin __P((struct sockaddr_in *sin, 551 struct sockaddr_in6 *sin6)); 552 void in6_sin_2_v4mapsin6 __P((struct sockaddr_in *sin, 553 struct sockaddr_in6 *sin6)); 554 void in6_sin6_2_sin_in_sock __P((struct sockaddr *nam)); 555 void in6_sin_2_v4mapsin6_in_sock __P((struct sockaddr **nam)); 556 557 #define satosin6(sa) ((struct sockaddr_in6 *)(sa)) 558 #define sin6tosa(sin6) ((struct sockaddr *)(sin6)) 559 #define ifatoia6(ifa) ((struct in6_ifaddr *)(ifa)) 560 #endif /* _KERNEL */ 561 562 __BEGIN_DECLS 563 struct cmsghdr; 564 565 extern int inet6_option_space(int); 566 extern int inet6_option_init(void *, struct cmsghdr **, int); 567 extern int inet6_option_append(struct cmsghdr *, const u_int8_t *, int, int); 568 extern u_int8_t *inet6_option_alloc(struct cmsghdr *, int, int, int); 569 extern int inet6_option_next(const struct cmsghdr *, u_int8_t **); 570 extern int inet6_option_find(const struct cmsghdr *, u_int8_t **, int); 571 572 extern size_t inet6_rthdr_space __P((int, int)); 573 extern struct cmsghdr *inet6_rthdr_init __P((void *, int)); 574 extern int inet6_rthdr_add __P((struct cmsghdr *, const struct in6_addr *, 575 u_int)); 576 extern int inet6_rthdr_lasthop __P((struct cmsghdr *, u_int)); 577 extern int inet6_rthdr_segments __P((const struct cmsghdr *)); 578 extern struct in6_addr *inet6_rthdr_getaddr __P((struct cmsghdr *, int)); 579 extern int inet6_rthdr_getflags __P((const struct cmsghdr *, int)); 580 __END_DECLS 581 582 #endif /* !_NETINET6_IN6_H_ */ 583