in6.h revision 1.5
1 /* $NetBSD: in6.h,v 1.5 1999/07/03 21:30:18 thorpej Exp $ */ 2 3 /* 4 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the project nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 /* 33 * Copyright (c) 1982, 1986, 1990, 1993 34 * The Regents of the University of California. All rights reserved. 35 * 36 * Redistribution and use in source and binary forms, with or without 37 * modification, are permitted provided that the following conditions 38 * are met: 39 * 1. Redistributions of source code must retain the above copyright 40 * notice, this list of conditions and the following disclaimer. 41 * 2. Redistributions in binary form must reproduce the above copyright 42 * notice, this list of conditions and the following disclaimer in the 43 * documentation and/or other materials provided with the distribution. 44 * 3. All advertising materials mentioning features or use of this software 45 * must display the following acknowledgement: 46 * This product includes software developed by the University of 47 * California, Berkeley and its contributors. 48 * 4. Neither the name of the University nor the names of its contributors 49 * may be used to endorse or promote products derived from this software 50 * without specific prior written permission. 51 * 52 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 53 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 54 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 55 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 56 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 57 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 58 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 59 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 60 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 61 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 62 * SUCH DAMAGE. 63 * 64 * @(#)in.h 8.3 (Berkeley) 1/3/94 65 */ 66 67 #ifndef _NETINET6_IN6_H_ 68 #define _NETINET6_IN6_H_ 69 70 #if !defined(_XOPEN_SOURCE) 71 #include <sys/queue.h> 72 #endif 73 74 /* 75 * Identification of the network protocol stack 76 */ 77 #define __KAME__ 78 #define __KAME_VERSION "SNAP 19990628/NetBSD-current" 79 80 /* 81 * Local port number conventions: 82 * 83 * Ports < IPPORT_RESERVED are reserved for privileged processes (e.g. root), 84 * unless a kernel is compiled with IPNOPRIVPORTS defined. 85 * 86 * When a user does a bind(2) or connect(2) with a port number of zero, 87 * a non-conflicting local port address is chosen. 88 * 89 * The default range is IPPORT_ANONMIX to IPPORT_ANONMAX, although 90 * that is settable by sysctl(3); net.inet.ip.anonportmin and 91 * net.inet.ip.anonportmax respectively. 92 * 93 * A user may set the IPPROTO_IP option IP_PORTRANGE to change this 94 * default assignment range. 95 * 96 * The value IP_PORTRANGE_DEFAULT causes the default behavior. 97 * 98 * The value IP_PORTRANGE_HIGH is the same as IP_PORTRANGE_DEFAULT, 99 * and exists only for FreeBSD compatibility purposes. 100 * 101 * The value IP_PORTRANGE_LOW changes the range to the "low" are 102 * that is (by convention) restricted to privileged processes. 103 * This convention is based on "vouchsafe" principles only. 104 * It is only secure if you trust the remote host to restrict these ports. 105 * The range is IPPORT_RESERVEDMIN to IPPORT_RESERVEDMAX. 106 */ 107 108 #define IPV6PORT_RESERVED 1024 109 #define IPV6PORT_ANONMIN 49152 110 #define IPV6PORT_ANONMAX 65535 111 #define IPV6PORT_RESERVEDMIN 600 112 #define IPV6PORT_RESERVEDMAX (IPV6PORT_RESERVED-1) 113 114 /* 115 * IPv6 address 116 */ 117 struct in6_addr { 118 union { 119 u_int32_t __u6_addr32[4]; 120 u_int16_t __u6_addr16[8]; 121 u_int8_t __u6_addr8[16]; 122 } __u6_addr; /* 128-bit IP6 address */ 123 }; 124 125 #define s6_addr32 __u6_addr.__u6_addr32 126 #define s6_addr16 __u6_addr.__u6_addr16 127 #define s6_addr8 __u6_addr.__u6_addr8 128 #define s6_addr __u6_addr.__u6_addr8 129 130 #define INET6_ADDRSTRLEN 46 131 132 /* 133 * Socket address for IPv6 134 */ 135 #if !defined(_XOPEN_SOURCE) 136 #define SIN6_LEN 137 #endif 138 struct sockaddr_in6 { 139 u_char sin6_len; /* length of this struct(sa_family_t)*/ 140 u_char sin6_family; /* AF_INET6 (sa_family_t) */ 141 u_int16_t sin6_port; /* Transport layer port # (in_port_t)*/ 142 u_int32_t sin6_flowinfo; /* IP6 flow information */ 143 struct in6_addr sin6_addr; /* IP6 address */ 144 u_int32_t sin6_scope_id; /* intface scope id */ 145 }; 146 147 /* 148 * Local definition for masks 149 */ 150 #define IN6MASK0 {{{ 0, 0, 0, 0 }}} 151 #define IN6MASK32 {{{ 0xffffffff, 0, 0, 0 }}} 152 #define IN6MASK64 {{{ 0xffffffff, 0xffffffff, 0, 0 }}} 153 #define IN6MASK96 {{{ 0xffffffff, 0xffffffff, 0xffffffff, 0 }}} 154 #define IN6MASK128 {{{ 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff }}} 155 156 #ifdef _KERNEL 157 extern const struct in6_addr in6mask0; 158 extern const struct in6_addr in6mask32; 159 extern const struct in6_addr in6mask64; 160 extern const struct in6_addr in6mask96; 161 extern const struct in6_addr in6mask128; 162 #endif /* _KERNEL */ 163 164 /* 165 * Macros started with IPV6_ADDR is KAME local 166 */ 167 168 #if BYTE_ORDER == BIG_ENDIAN 169 #define IPV6_ADDR_INT32_ONE 1 170 #define IPV6_ADDR_INT32_TWO 2 171 #define IPV6_ADDR_INT32_MNL 0xff010000 172 #define IPV6_ADDR_INT32_MLL 0xff020000 173 #define IPV6_ADDR_INT32_SMP 0x0000ffff 174 #define IPV6_ADDR_INT16_ULL 0xfe80 175 #define IPV6_ADDR_INT16_USL 0xfec0 176 #define IPV6_ADDR_INT16_MLL 0xff02 177 #elif BYTE_ORDER == LITTLE_ENDIAN 178 #define IPV6_ADDR_INT32_ONE 0x01000000 179 #define IPV6_ADDR_INT32_TWO 0x02000000 180 #define IPV6_ADDR_INT32_MNL 0x000001ff 181 #define IPV6_ADDR_INT32_MLL 0x000002ff 182 #define IPV6_ADDR_INT32_SMP 0xffff0000 183 #define IPV6_ADDR_INT16_ULL 0x80fe 184 #define IPV6_ADDR_INT16_USL 0xc0fe 185 #define IPV6_ADDR_INT16_MLL 0x02ff 186 #endif 187 188 /* 189 * Definition of some useful macros to handle IP6 addresses 190 */ 191 #define IN6ADDR_ANY_INIT {{{ 0, 0, 0, 0 }}} 192 #define IN6ADDR_LOOPBACK_INIT {{{ 0, 0, 0, IPV6_ADDR_INT32_ONE }}} 193 #define IN6ADDR_NODELOCAL_ALLNODES_INIT \ 194 {{{ IPV6_ADDR_INT32_MNL, 0, 0, IPV6_ADDR_INT32_ONE }}} 195 #define IN6ADDR_LINKLOCAL_ALLNODES_INIT \ 196 {{{ IPV6_ADDR_INT32_MLL, 0, 0, IPV6_ADDR_INT32_ONE }}} 197 #define IN6ADDR_LINKLOCAL_ALLROUTERS_INIT \ 198 {{{ IPV6_ADDR_INT32_MLL, 0, 0, IPV6_ADDR_INT32_TWO }}} 199 200 extern const struct in6_addr in6addr_any; 201 extern const struct in6_addr in6addr_loopback; 202 extern const struct in6_addr in6addr_nodelocal_allnodes; 203 extern const struct in6_addr in6addr_linklocal_allnodes; 204 extern const struct in6_addr in6addr_linklocal_allrouters; 205 206 /* 207 * Equality 208 */ 209 #define IN6_ARE_ADDR_EQUAL(a, b) \ 210 (((a)->s6_addr32[0] == (b)->s6_addr32[0]) && \ 211 ((a)->s6_addr32[1] == (b)->s6_addr32[1]) && \ 212 ((a)->s6_addr32[2] == (b)->s6_addr32[2]) && \ 213 ((a)->s6_addr32[3] == (b)->s6_addr32[3])) 214 215 /* 216 * Unspecified 217 */ 218 #define IN6_IS_ADDR_UNSPECIFIED(a) \ 219 (((a)->s6_addr32[0] == 0) && \ 220 ((a)->s6_addr32[1] == 0) && \ 221 ((a)->s6_addr32[2] == 0) && \ 222 ((a)->s6_addr32[3] == 0)) 223 224 /* 225 * Loopback 226 */ 227 #define IN6_IS_ADDR_LOOPBACK(a) \ 228 (((a)->s6_addr32[0] == 0) && \ 229 ((a)->s6_addr32[1] == 0) && \ 230 ((a)->s6_addr32[2] == 0) && \ 231 ((a)->s6_addr32[3] == IPV6_ADDR_INT32_ONE)) 232 233 /* 234 * IPv4 compatible 235 */ 236 #define IN6_IS_ADDR_V4COMPAT(a) \ 237 (((a)->s6_addr32[0] == 0) && \ 238 ((a)->s6_addr32[1] == 0) && \ 239 ((a)->s6_addr32[2] == 0) && \ 240 ((a)->s6_addr32[3] != 0) && \ 241 ((a)->s6_addr32[3] != IPV6_ADDR_INT32_ONE)) 242 243 /* 244 * Mapped 245 */ 246 #define IN6_IS_ADDR_V4MAPPED(a) \ 247 (((a)->s6_addr32[0] == 0) && \ 248 ((a)->s6_addr32[1] == 0) && \ 249 ((a)->s6_addr32[2] == IPV6_ADDR_INT32_SMP)) 250 251 /* 252 * KAME Scope Values 253 */ 254 255 #define IPV6_ADDR_SCOPE_NODELOCAL 0x01 256 #define IPV6_ADDR_SCOPE_LINKLOCAL 0x02 257 #define IPV6_ADDR_SCOPE_SITELOCAL 0x05 258 #define IPV6_ADDR_SCOPE_ORGLOCAL 0x08 /* just used in this file */ 259 #define IPV6_ADDR_SCOPE_GLOBAL 0x0e 260 261 /* 262 * Unicast Scope 263 */ 264 #define IN6_IS_ADDR_LINKLOCAL(a) \ 265 ((a)->s6_addr16[0] == IPV6_ADDR_INT16_ULL) 266 #define IN6_IS_ADDR_SITELOCAL(a) \ 267 ((a)->s6_addr16[0] == IPV6_ADDR_INT16_USL) 268 269 /* 270 * Multicast 271 */ 272 #define IN6_IS_ADDR_MULTICAST(a) ((a)->s6_addr8[0] == 0xff) 273 274 #define IPV6_ADDR_MC_SCOPE(a) ((a)->s6_addr8[1] & 0x0f) 275 276 /* 277 * Multicast Scope 278 */ 279 #define IN6_IS_ADDR_MC_NODELOCAL(a) \ 280 (IN6_IS_ADDR_MULTICAST(a) && \ 281 (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_NODELOCAL)) 282 #define IN6_IS_ADDR_MC_LINKLOCAL(a) \ 283 (IN6_IS_ADDR_MULTICAST(a) && \ 284 (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_LINKLOCAL)) 285 #define IN6_IS_ADDR_MC_SITELOCAL(a) \ 286 (IN6_IS_ADDR_MULTICAST(a) && \ 287 (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_SITELOCAL)) 288 #define IN6_IS_ADDR_MC_ORGLOCAL(a) \ 289 (IN6_IS_ADDR_MULTICAST(a) && \ 290 (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_ORGLOCAL)) 291 #define IN6_IS_ADDR_MC_GLOBAL(a) \ 292 (IN6_IS_ADDR_MULTICAST(a) && \ 293 (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_GLOBAL)) 294 295 /* 296 * Wildcard Socket 297 */ 298 #define IN6_IS_ADDR_ANY(a) IN6_IS_ADDR_UNSPECIFIED(a) 299 300 /* 301 * KAME Scope 302 */ 303 #define IN6_IS_SCOPE_LINKLOCAL(a) \ 304 ((IN6_IS_ADDR_LINKLOCAL(a)) || \ 305 (IN6_IS_ADDR_MC_LINKLOCAL(a))) 306 307 /* 308 * IP6 route structure 309 */ 310 #if !defined(_XOPEN_SOURCE) 311 struct route_in6 { 312 struct rtentry *ro_rt; 313 struct sockaddr_in6 ro_dst; 314 }; 315 #endif 316 317 /* 318 * Options for use with [gs]etsockopt at the IPV6 level. 319 * First word of comment is data type; bool is stored in int. 320 */ 321 #define IPV6_OPTIONS 1 /* buf/ip6_opts; set/get IP6 options */ 322 /* no hdrincl */ 323 #define IPV6_SOCKOPT_RESERVED1 3 /* reserved for future use */ 324 #define IPV6_UNICAST_HOPS 4 /* int; IP6 hops */ 325 #define IPV6_RECVOPTS 5 /* bool; receive all IP6 opts w/dgram */ 326 #define IPV6_RECVRETOPTS 6 /* bool; receive IP6 opts for response */ 327 #define IPV6_RECVDSTADDR 7 /* bool; receive IP6 dst addr w/dgram */ 328 #define IPV6_RETOPTS 8 /* ip6_opts; set/get IP6 options */ 329 #define IPV6_MULTICAST_IF 9 /* u_char; set/get IP6 multicast i/f */ 330 #define IPV6_MULTICAST_HOPS 10 /* u_char; set/get IP6 multicast hops */ 331 #define IPV6_MULTICAST_LOOP 11 /* u_char; set/get IP6 multicast loopback */ 332 #define IPV6_JOIN_GROUP 12 /* ip6_mreq; join a group membership */ 333 #define IPV6_LEAVE_GROUP 13 /* ip6_mreq; leave a group membership */ 334 #define IPV6_PORTRANGE 14 /* int; range to choose for unspec port */ 335 #define ICMP6_FILTER 18 /* icmp6_filter; icmp6 filter */ 336 #define IPV6_PKTINFO 19 /* bool; send/rcv if, src/dst addr */ 337 #define IPV6_HOPLIMIT 20 /* bool; hop limit */ 338 #define IPV6_NEXTHOP 21 /* bool; next hop addr */ 339 #define IPV6_HOPOPTS 22 /* bool; hop-by-hop option */ 340 #define IPV6_DSTOPTS 23 /* bool; destination option */ 341 #define IPV6_RTHDR 24 /* bool; routing header */ 342 #define IPV6_PKTOPTIONS 25 /* buf/cmsghdr; set/get IPv6 options */ 343 #define IPV6_CHECKSUM 26 /* int; checksum offset for raw socket */ 344 #define IPV6_BINDV6ONLY 27 /* bool; only bind INET6 at null bind */ 345 346 #if 1 /*IPSEC*/ 347 #define IPV6_IPSEC_POLICY 28 /* struct; get/set security policy */ 348 #endif 349 #define IPV6_FAITH 32 /* bool; accept FAITH'ed connections */ 350 351 #define IPV6_RTHDR_LOOSE 0 /* this hop need not be a neighbor. XXX old spec */ 352 #define IPV6_RTHDR_STRICT 1 /* this hop must be a neighbor. XXX old spec */ 353 #define IPV6_RTHDR_TYPE_0 0 /* IPv6 routing header type 0 */ 354 355 /* 356 * Defaults and limits for options 357 */ 358 #define IPV6_DEFAULT_MULTICAST_HOPS 1 /* normally limit m'casts to 1 hop */ 359 #define IPV6_DEFAULT_MULTICAST_LOOP 1 /* normally hear sends if a member */ 360 361 /* 362 * Argument structure for IPV6_JOIN_GROUP and IPV6_LEAVE_GROUP. 363 */ 364 struct ipv6_mreq { 365 struct in6_addr ipv6mr_multiaddr; 366 u_int ipv6mr_interface; 367 }; 368 369 /* 370 * IPV6_PKTINFO: Packet information(RFC2292 sec 5) 371 */ 372 struct in6_pktinfo { 373 struct in6_addr ipi6_addr; /* src/dst IPv6 address */ 374 u_int ipi6_ifindex; /* send/recv interface index */ 375 }; 376 377 /* 378 * Argument for IPV6_PORTRANGE: 379 * - which range to search when port is unspecified at bind() or connect() 380 */ 381 #define IPV6_PORTRANGE_DEFAULT 0 /* default range */ 382 #define IPV6_PORTRANGE_HIGH 1 /* "high" - request firewall bypass */ 383 #define IPV6_PORTRANGE_LOW 2 /* "low" - vouchsafe security */ 384 385 #if !defined(_XOPEN_SOURCE) 386 /* 387 * Definitions for inet6 sysctl operations. 388 * 389 * Third level is protocol number. 390 * Fourth level is desired variable within that protocol. 391 */ 392 #define IPV6PROTO_MAXID (IPPROTO_PIM + 1) /* don't list to IPV6PROTO_MAX */ 393 394 #define CTL_IPV6PROTO_NAMES { \ 395 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 396 { 0, 0 }, \ 397 { "tcp6", CTLTYPE_NODE }, \ 398 { 0, 0 }, \ 399 { 0, 0 }, \ 400 { 0, 0 }, \ 401 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 402 { 0, 0 }, \ 403 { 0, 0 }, \ 404 { "udp6", CTLTYPE_NODE }, \ 405 { 0, 0 }, \ 406 { 0, 0 }, \ 407 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 408 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 409 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 410 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 411 { 0, 0 }, \ 412 { "ip6", CTLTYPE_NODE }, \ 413 { 0, 0 }, \ 414 { 0, 0 }, \ 415 { 0, 0 }, \ 416 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 417 { 0, 0 }, \ 418 { "ipsec6", CTLTYPE_NODE }, \ 419 { 0, 0 }, \ 420 { 0, 0 }, \ 421 { 0, 0 }, \ 422 { 0, 0 }, \ 423 { 0, 0 }, \ 424 { 0, 0 }, \ 425 { "icmp6", CTLTYPE_NODE }, \ 426 { 0, 0 }, \ 427 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 428 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 429 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 430 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 431 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 432 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 433 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 434 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 435 { 0, 0 }, \ 436 { 0, 0 }, \ 437 { 0, 0 }, \ 438 { "pim6", CTLTYPE_NODE }, \ 439 } 440 441 /* 442 * Names for IP sysctl objects 443 */ 444 #define IPV6CTL_FORWARDING 1 /* act as router */ 445 #define IPV6CTL_SENDREDIRECTS 2 /* may send redirects when forwarding*/ 446 #define IPV6CTL_DEFHLIM 3 /* default Hop-Limit */ 447 #ifdef notyet 448 #define IPV6CTL_DEFMTU 4 /* default MTU */ 449 #endif 450 #define IPV6CTL_FORWSRCRT 5 /* forward source-routed dgrams */ 451 #define IPV6CTL_STATS 6 /* stats */ 452 #define IPV6CTL_MRTSTATS 7 /* multicast forwarding stats */ 453 #define IPV6CTL_MRTPROTO 8 /* multicast routing protocol */ 454 #define IPV6CTL_MAXFRAGPACKETS 9 /* max packets reassembly queue */ 455 #define IPV6CTL_SOURCECHECK 10 /* verify source route and intf */ 456 #define IPV6CTL_SOURCECHECK_LOGINT 11 /* minimume logging interval */ 457 #define IPV6CTL_ACCEPT_RTADV 12 458 #define IPV6CTL_KEEPFAITH 13 459 #define IPV6CTL_LOG_INTERVAL 14 460 #define IPV6CTL_HDRNESTLIMIT 15 461 #define IPV6CTL_DAD_COUNT 16 462 #define IPV6CTL_AUTO_FLOWLABEL 17 463 #define IPV6CTL_DEFMCASTHLIM 18 464 #define IPV6CTL_GIF_HLIM 19 /* default HLIM for gif encap packet */ 465 #define IPV6CTL_KAME_VERSION 20 466 /* New entries should be added here from current IPV6CTL_MAXID value. */ 467 #define IPV6CTL_MAXID 21 468 469 #define IPV6CTL_NAMES { \ 470 { 0, 0 }, \ 471 { "forwarding", CTLTYPE_INT }, \ 472 { "redirect", CTLTYPE_INT }, \ 473 { "hlim", CTLTYPE_INT }, \ 474 { "mtu", CTLTYPE_INT }, \ 475 { "forwsrcrt", CTLTYPE_INT }, \ 476 { 0, 0 }, \ 477 { 0, 0 }, \ 478 { "mrtproto", CTLTYPE_INT }, \ 479 { "maxfragpackets", CTLTYPE_INT }, \ 480 { "sourcecheck", CTLTYPE_INT }, \ 481 { "sourcecheck_logint", CTLTYPE_INT }, \ 482 { "accept_rtadv", CTLTYPE_INT }, \ 483 { "keepfaith", CTLTYPE_INT }, \ 484 { "log_interval", CTLTYPE_INT }, \ 485 { "hdrnestlimit", CTLTYPE_INT }, \ 486 { "dad_count", CTLTYPE_INT }, \ 487 { "auto_flowlabel", CTLTYPE_INT }, \ 488 { "defmcasthlim", CTLTYPE_INT }, \ 489 { "gifhlim", CTLTYPE_INT }, \ 490 { "kame_version", CTLTYPE_STRING }, \ 491 } 492 493 #define IPV6CTL_VARS { \ 494 0, \ 495 &ip6_forwarding, \ 496 &ip6_sendredirects, \ 497 &ip6_defhlim, \ 498 0, \ 499 &ip6_forward_srcrt, \ 500 0, \ 501 0, \ 502 0, \ 503 &ip6_maxfragpackets, \ 504 &ip6_sourcecheck, \ 505 &ip6_sourcecheck_interval, \ 506 &ip6_accept_rtadv, \ 507 &ip6_keepfaith, \ 508 &ip6_log_interval, \ 509 &ip6_hdrnestlimit, \ 510 &ip6_dad_count, \ 511 &auto_flowlabel, \ 512 &ip6_defmcasthlim, \ 513 &ip6_gif_hlim, \ 514 0, \ 515 } 516 #endif /* !_XOPEN_SOURCE */ 517 518 #ifdef _KERNEL 519 struct cmsghdr; 520 521 int in6_canforward __P((struct in6_addr *, struct in6_addr *)); 522 int in6_cksum __P((struct mbuf *, u_int8_t, int, int)); 523 int in6_localaddr __P((struct in6_addr *)); 524 int in6_addrscope __P((struct in6_addr *)); 525 struct in6_ifaddr *in6_ifawithscope __P((struct ifnet *, struct in6_addr *)); 526 struct in6_ifaddr *in6_ifawithifp __P((struct ifnet *, struct in6_addr *)); 527 extern void in6_if_up __P((struct ifnet *)); 528 529 #define satosin6(sa) ((struct sockaddr_in6 *)(sa)) 530 #define sin6tosa(sin6) ((struct sockaddr *)(sin6)) 531 #define ifatoia6(ifa) ((struct in6_ifaddr *)(ifa)) 532 #endif /* _KERNEL */ 533 534 __BEGIN_DECLS 535 struct cmsghdr; 536 537 extern int inet6_option_space(int); 538 extern int inet6_option_init(void *, struct cmsghdr **, int); 539 extern int inet6_option_append(struct cmsghdr *, const u_int8_t *, int, int); 540 extern u_int8_t *inet6_option_alloc(struct cmsghdr *, int, int, int); 541 extern int inet6_option_next(const struct cmsghdr *, u_int8_t **); 542 extern int inet6_option_find(const struct cmsghdr *, u_int8_t **, int); 543 544 extern size_t inet6_rthdr_space __P((int, int)); 545 extern struct cmsghdr *inet6_rthdr_init __P((void *, int)); 546 extern int inet6_rthdr_add __P((struct cmsghdr *, const struct in6_addr *, 547 unsigned int)); 548 extern int inet6_rthdr_lasthop __P((struct cmsghdr *, unsigned int)); 549 #if 0 /* not implemented yet */ 550 extern int inet6_rthdr_reverse __P((const struct cmsghdr *, struct cmsghdr *)); 551 #endif 552 extern int inet6_rthdr_segments __P((const struct cmsghdr *)); 553 extern struct in6_addr *inet6_rthdr_getaddr __P((struct cmsghdr *, int)); 554 extern int inet6_rthdr_getflags __P((const struct cmsghdr *, int)); 555 __END_DECLS 556 557 #endif /* !_NETINET6_IN6_H_ */ 558
Indexes created Fri Sep 26 20:09:58 GMT 2025