in6.h revision 1.4
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 */ 64 65 #ifndef _NETINET6_IN6_H_ 66 #define _NETINET6_IN6_H_ 67 68 #if !defined(_XOPEN_SOURCE) 69 #include <sys/queue.h> 70 #endif 71 72 /* 73 * Identification of the network protocol stack 74 */ 75 #define __KAME__ 76 #define __KAME_VERSION "SNAP 19990628/NetBSD-current" 77 78 /* 79 * Local port number conventions: 80 * 81 * Ports < IPPORT_RESERVED are reserved for privileged processes (e.g. root), 82 * unless a kernel is compiled with IPNOPRIVPORTS defined. 83 * 84 * When a user does a bind(2) or connect(2) with a port number of zero, 85 * a non-conflicting local port address is chosen. 86 * 87 * The default range is IPPORT_ANONMIX to IPPORT_ANONMAX, although 88 * that is settable by sysctl(3); net.inet.ip.anonportmin and 89 * net.inet.ip.anonportmax respectively. 90 * 91 * A user may set the IPPROTO_IP option IP_PORTRANGE to change this 92 * default assignment range. 93 * 94 * The value IP_PORTRANGE_DEFAULT causes the default behavior. 95 * 96 * The value IP_PORTRANGE_HIGH is the same as IP_PORTRANGE_DEFAULT, 97 * and exists only for FreeBSD compatibility purposes. 98 * 99 * The value IP_PORTRANGE_LOW changes the range to the "low" are 100 * that is (by convention) restricted to privileged processes. 101 * This convention is based on "vouchsafe" principles only. 102 * It is only secure if you trust the remote host to restrict these ports. 103 * The range is IPPORT_RESERVEDMIN to IPPORT_RESERVEDMAX. 104 */ 105 106 #define IPV6PORT_RESERVED 1024 107 #define IPV6PORT_ANONMIN 49152 108 #define IPV6PORT_ANONMAX 65535 109 #define IPV6PORT_RESERVEDMIN 600 110 #define IPV6PORT_RESERVEDMAX (IPV6PORT_RESERVED-1) 111 112 /* 113 * IPv6 address 114 */ 115 struct in6_addr { 116 union { 117 u_int32_t __u6_addr32[4]; 118 u_int16_t __u6_addr16[8]; 119 u_int8_t __u6_addr8[16]; 120 } __u6_addr; /* 128-bit IP6 address */ 121 }; 122 123 #define s6_addr32 __u6_addr.__u6_addr32 124 #define s6_addr16 __u6_addr.__u6_addr16 125 #define s6_addr8 __u6_addr.__u6_addr8 126 #define s6_addr __u6_addr.__u6_addr8 127 128 #define INET6_ADDRSTRLEN 46 129 130 /* 131 * Socket address for IPv6 132 */ 133 #if !defined(_XOPEN_SOURCE) 134 #define SIN6_LEN 135 #endif 136 struct sockaddr_in6 { 137 u_char sin6_len; /* length of this struct(sa_family_t)*/ 138 u_char sin6_family; /* AF_INET6 (sa_family_t) */ 139 u_int16_t sin6_port; /* Transport layer port # (in_port_t)*/ 140 u_int32_t sin6_flowinfo; /* IP6 flow information */ 141 struct in6_addr sin6_addr; /* IP6 address */ 142 u_int32_t sin6_scope_id; /* intface scope id */ 143 }; 144 145 /* 146 * Local definition for masks 147 */ 148 #define IN6MASK0 {{{ 0, 0, 0, 0 }}} 149 #define IN6MASK32 {{{ 0xffffffff, 0, 0, 0 }}} 150 #define IN6MASK64 {{{ 0xffffffff, 0xffffffff, 0, 0 }}} 151 #define IN6MASK96 {{{ 0xffffffff, 0xffffffff, 0xffffffff, 0 }}} 152 #define IN6MASK128 {{{ 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff }}} 153 154 #ifdef _KERNEL 155 extern const struct in6_addr in6mask0; 156 extern const struct in6_addr in6mask32; 157 extern const struct in6_addr in6mask64; 158 extern const struct in6_addr in6mask96; 159 extern const struct in6_addr in6mask128; 160 #endif /* _KERNEL */ 161 162 /* 163 * Macros started with IPV6_ADDR is KAME local 164 */ 165 166 #if BYTE_ORDER == BIG_ENDIAN 167 #define IPV6_ADDR_INT32_ONE 1 168 #define IPV6_ADDR_INT32_TWO 2 169 #define IPV6_ADDR_INT32_MNL 0xff010000 170 #define IPV6_ADDR_INT32_MLL 0xff020000 171 #define IPV6_ADDR_INT32_SMP 0x0000ffff 172 #define IPV6_ADDR_INT16_ULL 0xfe80 173 #define IPV6_ADDR_INT16_USL 0xfec0 174 #define IPV6_ADDR_INT16_MLL 0xff02 175 #elif BYTE_ORDER == LITTLE_ENDIAN 176 #define IPV6_ADDR_INT32_ONE 0x01000000 177 #define IPV6_ADDR_INT32_TWO 0x02000000 178 #define IPV6_ADDR_INT32_MNL 0x000001ff 179 #define IPV6_ADDR_INT32_MLL 0x000002ff 180 #define IPV6_ADDR_INT32_SMP 0xffff0000 181 #define IPV6_ADDR_INT16_ULL 0x80fe 182 #define IPV6_ADDR_INT16_USL 0xc0fe 183 #define IPV6_ADDR_INT16_MLL 0x02ff 184 #endif 185 186 /* 187 * Definition of some useful macros to handle IP6 addresses 188 */ 189 #define IN6ADDR_ANY_INIT {{{ 0, 0, 0, 0 }}} 190 #define IN6ADDR_LOOPBACK_INIT {{{ 0, 0, 0, IPV6_ADDR_INT32_ONE }}} 191 #define IN6ADDR_NODELOCAL_ALLNODES_INIT \ 192 {{{ IPV6_ADDR_INT32_MNL, 0, 0, IPV6_ADDR_INT32_ONE }}} 193 #define IN6ADDR_LINKLOCAL_ALLNODES_INIT \ 194 {{{ IPV6_ADDR_INT32_MLL, 0, 0, IPV6_ADDR_INT32_ONE }}} 195 #define IN6ADDR_LINKLOCAL_ALLROUTERS_INIT \ 196 {{{ IPV6_ADDR_INT32_MLL, 0, 0, IPV6_ADDR_INT32_TWO }}} 197 198 extern const struct in6_addr in6addr_any; 199 extern const struct in6_addr in6addr_loopback; 200 extern const struct in6_addr in6addr_nodelocal_allnodes; 201 extern const struct in6_addr in6addr_linklocal_allnodes; 202 extern const struct in6_addr in6addr_linklocal_allrouters; 203 204 /* 205 * Equality 206 */ 207 #define IN6_ARE_ADDR_EQUAL(a, b) \ 208 (((a)->s6_addr32[0] == (b)->s6_addr32[0]) && \ 209 ((a)->s6_addr32[1] == (b)->s6_addr32[1]) && \ 210 ((a)->s6_addr32[2] == (b)->s6_addr32[2]) && \ 211 ((a)->s6_addr32[3] == (b)->s6_addr32[3])) 212 213 /* 214 * Unspecified 215 */ 216 #define IN6_IS_ADDR_UNSPECIFIED(a) \ 217 (((a)->s6_addr32[0] == 0) && \ 218 ((a)->s6_addr32[1] == 0) && \ 219 ((a)->s6_addr32[2] == 0) && \ 220 ((a)->s6_addr32[3] == 0)) 221 222 /* 223 * Loopback 224 */ 225 #define IN6_IS_ADDR_LOOPBACK(a) \ 226 (((a)->s6_addr32[0] == 0) && \ 227 ((a)->s6_addr32[1] == 0) && \ 228 ((a)->s6_addr32[2] == 0) && \ 229 ((a)->s6_addr32[3] == IPV6_ADDR_INT32_ONE)) 230 231 /* 232 * IPv4 compatible 233 */ 234 #define IN6_IS_ADDR_V4COMPAT(a) \ 235 (((a)->s6_addr32[0] == 0) && \ 236 ((a)->s6_addr32[1] == 0) && \ 237 ((a)->s6_addr32[2] == 0) && \ 238 ((a)->s6_addr32[3] != 0) && \ 239 ((a)->s6_addr32[3] != IPV6_ADDR_INT32_ONE)) 240 241 /* 242 * Mapped 243 */ 244 #define IN6_IS_ADDR_V4MAPPED(a) \ 245 (((a)->s6_addr32[0] == 0) && \ 246 ((a)->s6_addr32[1] == 0) && \ 247 ((a)->s6_addr32[2] == IPV6_ADDR_INT32_SMP)) 248 249 /* 250 * KAME Scope Values 251 */ 252 253 #define IPV6_ADDR_SCOPE_NODELOCAL 0x01 254 #define IPV6_ADDR_SCOPE_LINKLOCAL 0x02 255 #define IPV6_ADDR_SCOPE_SITELOCAL 0x05 256 #define IPV6_ADDR_SCOPE_ORGLOCAL 0x08 /* just used in this file */ 257 #define IPV6_ADDR_SCOPE_GLOBAL 0x0e 258 259 /* 260 * Unicast Scope 261 */ 262 #define IN6_IS_ADDR_LINKLOCAL(a) \ 263 ((a)->s6_addr16[0] == IPV6_ADDR_INT16_ULL) 264 #define IN6_IS_ADDR_SITELOCAL(a) \ 265 ((a)->s6_addr16[0] == IPV6_ADDR_INT16_USL) 266 267 /* 268 * Multicast 269 */ 270 #define IN6_IS_ADDR_MULTICAST(a) ((a)->s6_addr8[0] == 0xff) 271 272 #define IPV6_ADDR_MC_SCOPE(a) ((a)->s6_addr8[1] & 0x0f) 273 274 /* 275 * Multicast Scope 276 */ 277 #define IN6_IS_ADDR_MC_NODELOCAL(a) \ 278 (IN6_IS_ADDR_MULTICAST(a) && \ 279 (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_NODELOCAL)) 280 #define IN6_IS_ADDR_MC_LINKLOCAL(a) \ 281 (IN6_IS_ADDR_MULTICAST(a) && \ 282 (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_LINKLOCAL)) 283 #define IN6_IS_ADDR_MC_SITELOCAL(a) \ 284 (IN6_IS_ADDR_MULTICAST(a) && \ 285 (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_SITELOCAL)) 286 #define IN6_IS_ADDR_MC_ORGLOCAL(a) \ 287 (IN6_IS_ADDR_MULTICAST(a) && \ 288 (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_ORGLOCAL)) 289 #define IN6_IS_ADDR_MC_GLOBAL(a) \ 290 (IN6_IS_ADDR_MULTICAST(a) && \ 291 (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_GLOBAL)) 292 293 /* 294 * Wildcard Socket 295 */ 296 #define IN6_IS_ADDR_ANY(a) IN6_IS_ADDR_UNSPECIFIED(a) 297 298 /* 299 * KAME Scope 300 */ 301 #define IN6_IS_SCOPE_LINKLOCAL(a) \ 302 ((IN6_IS_ADDR_LINKLOCAL(a)) || \ 303 (IN6_IS_ADDR_MC_LINKLOCAL(a))) 304 305 /* 306 * IP6 route structure 307 */ 308 #if !defined(_XOPEN_SOURCE) 309 struct route_in6 { 310 struct rtentry *ro_rt; 311 struct sockaddr_in6 ro_dst; 312 }; 313 #endif 314 315 /* 316 * Options for use with [gs]etsockopt at the IPV6 level. 317 * First word of comment is data type; bool is stored in int. 318 */ 319 #define IPV6_OPTIONS 1 /* buf/ip6_opts; set/get IP6 options */ 320 /* no hdrincl */ 321 #define IPV6_SOCKOPT_RESERVED1 3 /* reserved for future use */ 322 #define IPV6_UNICAST_HOPS 4 /* int; IP6 hops */ 323 #define IPV6_RECVOPTS 5 /* bool; receive all IP6 opts w/dgram */ 324 #define IPV6_RECVRETOPTS 6 /* bool; receive IP6 opts for response */ 325 #define IPV6_RECVDSTADDR 7 /* bool; receive IP6 dst addr w/dgram */ 326 #define IPV6_RETOPTS 8 /* ip6_opts; set/get IP6 options */ 327 #define IPV6_MULTICAST_IF 9 /* u_char; set/get IP6 multicast i/f */ 328 #define IPV6_MULTICAST_HOPS 10 /* u_char; set/get IP6 multicast hops */ 329 #define IPV6_MULTICAST_LOOP 11 /* u_char; set/get IP6 multicast loopback */ 330 #define IPV6_JOIN_GROUP 12 /* ip6_mreq; join a group membership */ 331 #define IPV6_LEAVE_GROUP 13 /* ip6_mreq; leave a group membership */ 332 #define IPV6_PORTRANGE 14 /* int; range to choose for unspec port */ 333 #define ICMP6_FILTER 18 /* icmp6_filter; icmp6 filter */ 334 #define IPV6_PKTINFO 19 /* bool; send/rcv if, src/dst addr */ 335 #define IPV6_HOPLIMIT 20 /* bool; hop limit */ 336 #define IPV6_NEXTHOP 21 /* bool; next hop addr */ 337 #define IPV6_HOPOPTS 22 /* bool; hop-by-hop option */ 338 #define IPV6_DSTOPTS 23 /* bool; destination option */ 339 #define IPV6_RTHDR 24 /* bool; routing header */ 340 #define IPV6_PKTOPTIONS 25 /* buf/cmsghdr; set/get IPv6 options */ 341 #define IPV6_CHECKSUM 26 /* int; checksum offset for raw socket */ 342 #define IPV6_BINDV6ONLY 27 /* bool; only bind INET6 at null bind */ 343 344 #if 1 /*IPSEC*/ 345 #define IPV6_IPSEC_POLICY 28 /* struct; get/set security policy */ 346 #endif 347 #define IPV6_FAITH 32 /* bool; accept FAITH'ed connections */ 348 349 #define IPV6_RTHDR_LOOSE 0 /* this hop need not be a neighbor. XXX old spec */ 350 #define IPV6_RTHDR_STRICT 1 /* this hop must be a neighbor. XXX old spec */ 351 #define IPV6_RTHDR_TYPE_0 0 /* IPv6 routing header type 0 */ 352 353 /* 354 * Defaults and limits for options 355 */ 356 #define IPV6_DEFAULT_MULTICAST_HOPS 1 /* normally limit m'casts to 1 hop */ 357 #define IPV6_DEFAULT_MULTICAST_LOOP 1 /* normally hear sends if a member */ 358 359 /* 360 * Argument structure for IPV6_JOIN_GROUP and IPV6_LEAVE_GROUP. 361 */ 362 struct ipv6_mreq { 363 struct in6_addr ipv6mr_multiaddr; 364 u_int ipv6mr_interface; 365 }; 366 367 /* 368 * IPV6_PKTINFO: Packet information(RFC2292 sec 5) 369 */ 370 struct in6_pktinfo { 371 struct in6_addr ipi6_addr; /* src/dst IPv6 address */ 372 u_int ipi6_ifindex; /* send/recv interface index */ 373 }; 374 375 /* 376 * Argument for IPV6_PORTRANGE: 377 * - which range to search when port is unspecified at bind() or connect() 378 */ 379 #define IPV6_PORTRANGE_DEFAULT 0 /* default range */ 380 #define IPV6_PORTRANGE_HIGH 1 /* "high" - request firewall bypass */ 381 #define IPV6_PORTRANGE_LOW 2 /* "low" - vouchsafe security */ 382 383 #if !defined(_XOPEN_SOURCE) 384 /* 385 * Definitions for inet6 sysctl operations. 386 * 387 * Third level is protocol number. 388 * Fourth level is desired variable within that protocol. 389 */ 390 #define IPV6PROTO_MAXID (IPPROTO_PIM + 1) /* don't list to IPV6PROTO_MAX */ 391 392 #define CTL_IPV6PROTO_NAMES { \ 393 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 394 { 0, 0 }, \ 395 { "tcp6", CTLTYPE_NODE }, \ 396 { 0, 0 }, \ 397 { 0, 0 }, \ 398 { 0, 0 }, \ 399 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 400 { 0, 0 }, \ 401 { 0, 0 }, \ 402 { "udp6", CTLTYPE_NODE }, \ 403 { 0, 0 }, \ 404 { 0, 0 }, \ 405 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 406 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 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 }, \ 410 { "ip6", CTLTYPE_NODE }, \ 411 { 0, 0 }, \ 412 { 0, 0 }, \ 413 { 0, 0 }, \ 414 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 415 { 0, 0 }, \ 416 { "ipsec6", CTLTYPE_NODE }, \ 417 { 0, 0 }, \ 418 { 0, 0 }, \ 419 { 0, 0 }, \ 420 { 0, 0 }, \ 421 { 0, 0 }, \ 422 { 0, 0 }, \ 423 { "icmp6", CTLTYPE_NODE }, \ 424 { 0, 0 }, \ 425 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ 426 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 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 }, \ 434 { 0, 0 }, \ 435 { 0, 0 }, \ 436 { "pim6", CTLTYPE_NODE }, \ 437 } 438 439 /* 440 * Names for IP sysctl objects 441 */ 442 #define IPV6CTL_FORWARDING 1 /* act as router */ 443 #define IPV6CTL_SENDREDIRECTS 2 /* may send redirects when forwarding*/ 444 #define IPV6CTL_DEFHLIM 3 /* default Hop-Limit */ 445 #ifdef notyet 446 #define IPV6CTL_DEFMTU 4 /* default MTU */ 447 #endif 448 #define IPV6CTL_FORWSRCRT 5 /* forward source-routed dgrams */ 449 #define IPV6CTL_STATS 6 /* stats */ 450 #define IPV6CTL_MRTSTATS 7 /* multicast forwarding stats */ 451 #define IPV6CTL_MRTPROTO 8 /* multicast routing protocol */ 452 #define IPV6CTL_MAXFRAGPACKETS 9 /* max packets reassembly queue */ 453 #define IPV6CTL_SOURCECHECK 10 /* verify source route and intf */ 454 #define IPV6CTL_SOURCECHECK_LOGINT 11 /* minimume logging interval */ 455 #define IPV6CTL_ACCEPT_RTADV 12 456 #define IPV6CTL_KEEPFAITH 13 457 #define IPV6CTL_LOG_INTERVAL 14 458 #define IPV6CTL_HDRNESTLIMIT 15 459 #define IPV6CTL_DAD_COUNT 16 460 #define IPV6CTL_AUTO_FLOWLABEL 17 461 #define IPV6CTL_DEFMCASTHLIM 18 462 #define IPV6CTL_GIF_HLIM 19 /* default HLIM for gif encap packet */ 463 #define IPV6CTL_KAME_VERSION 20 464 /* New entries should be added here from current IPV6CTL_MAXID value. */ 465 #define IPV6CTL_MAXID 21 466 467 #define IPV6CTL_NAMES { \ 468 { 0, 0 }, \ 469 { "forwarding", CTLTYPE_INT }, \ 470 { "redirect", CTLTYPE_INT }, \ 471 { "hlim", CTLTYPE_INT }, \ 472 { "mtu", CTLTYPE_INT }, \ 473 { "forwsrcrt", CTLTYPE_INT }, \ 474 { 0, 0 }, \ 475 { 0, 0 }, \ 476 { "mrtproto", CTLTYPE_INT }, \ 477 { "maxfragpackets", CTLTYPE_INT }, \ 478 { "sourcecheck", CTLTYPE_INT }, \ 479 { "sourcecheck_logint", CTLTYPE_INT }, \ 480 { "accept_rtadv", CTLTYPE_INT }, \ 481 { "keepfaith", CTLTYPE_INT }, \ 482 { "log_interval", CTLTYPE_INT }, \ 483 { "hdrnestlimit", CTLTYPE_INT }, \ 484 { "dad_count", CTLTYPE_INT }, \ 485 { "auto_flowlabel", CTLTYPE_INT }, \ 486 { "defmcasthlim", CTLTYPE_INT }, \ 487 { "gifhlim", CTLTYPE_INT }, \ 488 { "kame_version", CTLTYPE_STRING }, \ 489 } 490 491 #define IPV6CTL_VARS { \ 492 0, \ 493 &ip6_forwarding, \ 494 &ip6_sendredirects, \ 495 &ip6_defhlim, \ 496 0, \ 497 &ip6_forward_srcrt, \ 498 0, \ 499 0, \ 500 0, \ 501 &ip6_maxfragpackets, \ 502 &ip6_sourcecheck, \ 503 &ip6_sourcecheck_interval, \ 504 &ip6_accept_rtadv, \ 505 &ip6_keepfaith, \ 506 &ip6_log_interval, \ 507 &ip6_hdrnestlimit, \ 508 &ip6_dad_count, \ 509 &auto_flowlabel, \ 510 &ip6_defmcasthlim, \ 511 &ip6_gif_hlim, \ 512 0, \ 513 } 514 #endif /* !_XOPEN_SOURCE */ 515 516 #ifdef _KERNEL 517 struct cmsghdr; 518 519 int in6_canforward __P((struct in6_addr *, struct in6_addr *)); 520 int in6_cksum __P((struct mbuf *, u_int8_t, int, int)); 521 int in6_localaddr __P((struct in6_addr *)); 522 int in6_addrscope __P((struct in6_addr *)); 523 struct in6_ifaddr *in6_ifawithscope __P((struct ifnet *, struct in6_addr *)); 524 struct in6_ifaddr *in6_ifawithifp __P((struct ifnet *, struct in6_addr *)); 525 extern void in6_if_up __P((struct ifnet *)); 526 527 #define satosin6(sa) ((struct sockaddr_in6 *)(sa)) 528 #define sin6tosa(sin6) ((struct sockaddr *)(sin6)) 529 #define ifatoia6(ifa) ((struct in6_ifaddr *)(ifa)) 530 #endif /* _KERNEL */ 531 532 __BEGIN_DECLS 533 struct cmsghdr; 534 535 extern int inet6_option_space(int); 536 extern int inet6_option_init(void *, struct cmsghdr **, int); 537 extern int inet6_option_append(struct cmsghdr *, const u_int8_t *, int, int); 538 extern u_int8_t *inet6_option_alloc(struct cmsghdr *, int, int, int); 539 extern int inet6_option_next(const struct cmsghdr *, u_int8_t **); 540 extern int inet6_option_find(const struct cmsghdr *, u_int8_t **, int); 541 542 extern size_t inet6_rthdr_space __P((int, int)); 543 extern struct cmsghdr *inet6_rthdr_init __P((void *, int)); 544 extern int inet6_rthdr_add __P((struct cmsghdr *, const struct in6_addr *, 545 unsigned int)); 546 extern int inet6_rthdr_lasthop __P((struct cmsghdr *, unsigned int)); 547 #if 0 /* not implemented yet */ 548 extern int inet6_rthdr_reverse __P((const struct cmsghdr *, struct cmsghdr *)); 549 #endif 550 extern int inet6_rthdr_segments __P((const struct cmsghdr *)); 551 extern struct in6_addr *inet6_rthdr_getaddr __P((struct cmsghdr *, int)); 552 extern int inet6_rthdr_getflags __P((const struct cmsghdr *, int)); 553 __END_DECLS 554 555 #endif /* !_NETINET6_IN6_H_ */ 556
Indexes created Thu Sep 25 16:09:42 GMT 2025