in6_var.h revision 1.37
1 /* $NetBSD: in6_var.h,v 1.37 2004/06/16 02:36:37 itojun Exp $ */ 2 /* $KAME: in6_var.h,v 1.81 2002/06/08 11:16:51 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) 1985, 1986, 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 * 3. 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_var.h 8.1 (Berkeley) 6/10/93 62 */ 63 64 #ifndef _NETINET6_IN6_VAR_H_ 65 #define _NETINET6_IN6_VAR_H_ 66 67 /* 68 * Interface address, Internet version. One of these structures 69 * is allocated for each interface with an Internet address. 70 * The ifaddr structure contains the protocol-independent part 71 * of the structure and is assumed to be first. 72 */ 73 74 /* 75 * pltime/vltime are just for future reference (required to implements 2 76 * hour rule for hosts). they should never be modified by nd6_timeout or 77 * anywhere else. 78 * userland -> kernel: accept pltime/vltime 79 * kernel -> userland: throw up everything 80 * in kernel: modify preferred/expire only 81 */ 82 struct in6_addrlifetime { 83 time_t ia6t_expire; /* valid lifetime expiration time */ 84 time_t ia6t_preferred; /* preferred lifetime expiration time */ 85 u_int32_t ia6t_vltime; /* valid lifetime */ 86 u_int32_t ia6t_pltime; /* prefix lifetime */ 87 }; 88 89 struct nd_ifinfo; 90 struct in6_ifextra { 91 struct in6_ifstat *in6_ifstat; 92 struct icmp6_ifstat *icmp6_ifstat; 93 struct nd_ifinfo *nd_ifinfo; 94 }; 95 96 struct in6_ifaddr { 97 struct ifaddr ia_ifa; /* protocol-independent info */ 98 #define ia_ifp ia_ifa.ifa_ifp 99 #define ia_flags ia_ifa.ifa_flags 100 struct sockaddr_in6 ia_addr; /* interface address */ 101 struct sockaddr_in6 ia_net; /* network number of interface */ 102 struct sockaddr_in6 ia_dstaddr; /* space for destination addr */ 103 struct sockaddr_in6 ia_prefixmask; /* prefix mask */ 104 u_int32_t ia_plen; /* prefix length */ 105 struct in6_ifaddr *ia_next; /* next in6 list of IP6 addresses */ 106 LIST_HEAD(in6_multihead, in6_multi) ia6_multiaddrs; 107 /* list of multicast addresses */ 108 int ia6_flags; 109 110 struct in6_addrlifetime ia6_lifetime; 111 time_t ia6_createtime; /* the creation time of this address, which is 112 * currently used for temporary addresses only. 113 */ 114 time_t ia6_updatetime; 115 116 /* back pointer to the ND prefix (for autoconfigured addresses only) */ 117 struct nd_prefix *ia6_ndpr; 118 119 /* multicast addresses joined from the kernel */ 120 LIST_HEAD(, in6_multi_mship) ia6_memberships; 121 }; 122 123 /* 124 * IPv6 interface statistics, as defined in RFC2465 Ipv6IfStatsEntry (p12). 125 */ 126 struct in6_ifstat { 127 u_quad_t ifs6_in_receive; /* # of total input datagram */ 128 u_quad_t ifs6_in_hdrerr; /* # of datagrams with invalid hdr */ 129 u_quad_t ifs6_in_toobig; /* # of datagrams exceeded MTU */ 130 u_quad_t ifs6_in_noroute; /* # of datagrams with no route */ 131 u_quad_t ifs6_in_addrerr; /* # of datagrams with invalid dst */ 132 u_quad_t ifs6_in_protounknown; /* # of datagrams with unknown proto */ 133 /* NOTE: increment on final dst if */ 134 u_quad_t ifs6_in_truncated; /* # of truncated datagrams */ 135 u_quad_t ifs6_in_discard; /* # of discarded datagrams */ 136 /* NOTE: fragment timeout is not here */ 137 u_quad_t ifs6_in_deliver; /* # of datagrams delivered to ULP */ 138 /* NOTE: increment on final dst if */ 139 u_quad_t ifs6_out_forward; /* # of datagrams forwarded */ 140 /* NOTE: increment on outgoing if */ 141 u_quad_t ifs6_out_request; /* # of outgoing datagrams from ULP */ 142 /* NOTE: does not include forwrads */ 143 u_quad_t ifs6_out_discard; /* # of discarded datagrams */ 144 u_quad_t ifs6_out_fragok; /* # of datagrams fragmented */ 145 u_quad_t ifs6_out_fragfail; /* # of datagrams failed on fragment */ 146 u_quad_t ifs6_out_fragcreat; /* # of fragment datagrams */ 147 /* NOTE: this is # after fragment */ 148 u_quad_t ifs6_reass_reqd; /* # of incoming fragmented packets */ 149 /* NOTE: increment on final dst if */ 150 u_quad_t ifs6_reass_ok; /* # of reassembled packets */ 151 /* NOTE: this is # after reass */ 152 /* NOTE: increment on final dst if */ 153 u_quad_t ifs6_reass_fail; /* # of reass failures */ 154 /* NOTE: may not be packet count */ 155 /* NOTE: increment on final dst if */ 156 u_quad_t ifs6_in_mcast; /* # of inbound multicast datagrams */ 157 u_quad_t ifs6_out_mcast; /* # of outbound multicast datagrams */ 158 }; 159 160 /* 161 * ICMPv6 interface statistics, as defined in RFC2466 Ipv6IfIcmpEntry. 162 * XXX: I'm not sure if this file is the right place for this structure... 163 */ 164 struct icmp6_ifstat { 165 /* 166 * Input statistics 167 */ 168 /* ipv6IfIcmpInMsgs, total # of input messages */ 169 u_quad_t ifs6_in_msg; 170 /* ipv6IfIcmpInErrors, # of input error messages */ 171 u_quad_t ifs6_in_error; 172 /* ipv6IfIcmpInDestUnreachs, # of input dest unreach errors */ 173 u_quad_t ifs6_in_dstunreach; 174 /* ipv6IfIcmpInAdminProhibs, # of input administratively prohibited errs */ 175 u_quad_t ifs6_in_adminprohib; 176 /* ipv6IfIcmpInTimeExcds, # of input time exceeded errors */ 177 u_quad_t ifs6_in_timeexceed; 178 /* ipv6IfIcmpInParmProblems, # of input parameter problem errors */ 179 u_quad_t ifs6_in_paramprob; 180 /* ipv6IfIcmpInPktTooBigs, # of input packet too big errors */ 181 u_quad_t ifs6_in_pkttoobig; 182 /* ipv6IfIcmpInEchos, # of input echo requests */ 183 u_quad_t ifs6_in_echo; 184 /* ipv6IfIcmpInEchoReplies, # of input echo replies */ 185 u_quad_t ifs6_in_echoreply; 186 /* ipv6IfIcmpInRouterSolicits, # of input router solicitations */ 187 u_quad_t ifs6_in_routersolicit; 188 /* ipv6IfIcmpInRouterAdvertisements, # of input router advertisements */ 189 u_quad_t ifs6_in_routeradvert; 190 /* ipv6IfIcmpInNeighborSolicits, # of input neighbor solicitations */ 191 u_quad_t ifs6_in_neighborsolicit; 192 /* ipv6IfIcmpInNeighborAdvertisements, # of input neighbor advertisements */ 193 u_quad_t ifs6_in_neighboradvert; 194 /* ipv6IfIcmpInRedirects, # of input redirects */ 195 u_quad_t ifs6_in_redirect; 196 /* ipv6IfIcmpInGroupMembQueries, # of input MLD queries */ 197 u_quad_t ifs6_in_mldquery; 198 /* ipv6IfIcmpInGroupMembResponses, # of input MLD reports */ 199 u_quad_t ifs6_in_mldreport; 200 /* ipv6IfIcmpInGroupMembReductions, # of input MLD done */ 201 u_quad_t ifs6_in_mlddone; 202 203 /* 204 * Output statistics. We should solve unresolved routing problem... 205 */ 206 /* ipv6IfIcmpOutMsgs, total # of output messages */ 207 u_quad_t ifs6_out_msg; 208 /* ipv6IfIcmpOutErrors, # of output error messages */ 209 u_quad_t ifs6_out_error; 210 /* ipv6IfIcmpOutDestUnreachs, # of output dest unreach errors */ 211 u_quad_t ifs6_out_dstunreach; 212 /* ipv6IfIcmpOutAdminProhibs, # of output administratively prohibited errs */ 213 u_quad_t ifs6_out_adminprohib; 214 /* ipv6IfIcmpOutTimeExcds, # of output time exceeded errors */ 215 u_quad_t ifs6_out_timeexceed; 216 /* ipv6IfIcmpOutParmProblems, # of output parameter problem errors */ 217 u_quad_t ifs6_out_paramprob; 218 /* ipv6IfIcmpOutPktTooBigs, # of output packet too big errors */ 219 u_quad_t ifs6_out_pkttoobig; 220 /* ipv6IfIcmpOutEchos, # of output echo requests */ 221 u_quad_t ifs6_out_echo; 222 /* ipv6IfIcmpOutEchoReplies, # of output echo replies */ 223 u_quad_t ifs6_out_echoreply; 224 /* ipv6IfIcmpOutRouterSolicits, # of output router solicitations */ 225 u_quad_t ifs6_out_routersolicit; 226 /* ipv6IfIcmpOutRouterAdvertisements, # of output router advertisements */ 227 u_quad_t ifs6_out_routeradvert; 228 /* ipv6IfIcmpOutNeighborSolicits, # of output neighbor solicitations */ 229 u_quad_t ifs6_out_neighborsolicit; 230 /* ipv6IfIcmpOutNeighborAdvertisements, # of output neighbor advertisements */ 231 u_quad_t ifs6_out_neighboradvert; 232 /* ipv6IfIcmpOutRedirects, # of output redirects */ 233 u_quad_t ifs6_out_redirect; 234 /* ipv6IfIcmpOutGroupMembQueries, # of output MLD queries */ 235 u_quad_t ifs6_out_mldquery; 236 /* ipv6IfIcmpOutGroupMembResponses, # of output MLD reports */ 237 u_quad_t ifs6_out_mldreport; 238 /* ipv6IfIcmpOutGroupMembReductions, # of output MLD done */ 239 u_quad_t ifs6_out_mlddone; 240 }; 241 242 struct in6_ifreq { 243 char ifr_name[IFNAMSIZ]; 244 union { 245 struct sockaddr_in6 ifru_addr; 246 struct sockaddr_in6 ifru_dstaddr; 247 short ifru_flags; 248 int ifru_flags6; 249 int ifru_metric; 250 caddr_t ifru_data; 251 struct in6_addrlifetime ifru_lifetime; 252 struct in6_ifstat ifru_stat; 253 struct icmp6_ifstat ifru_icmp6stat; 254 } ifr_ifru; 255 }; 256 257 struct in6_aliasreq { 258 char ifra_name[IFNAMSIZ]; 259 struct sockaddr_in6 ifra_addr; 260 struct sockaddr_in6 ifra_dstaddr; 261 struct sockaddr_in6 ifra_prefixmask; 262 int ifra_flags; 263 struct in6_addrlifetime ifra_lifetime; 264 }; 265 266 /* prefix type macro */ 267 #define IN6_PREFIX_ND 1 268 #define IN6_PREFIX_RR 2 269 270 /* 271 * prefix related flags passed between kernel(NDP related part) and 272 * user land command(ifconfig) and daemon(rtadvd). 273 */ 274 struct prf_ra { 275 u_char onlink : 1; 276 u_char autonomous : 1; 277 u_char router : 1; 278 u_char reserved : 5; 279 }; 280 281 struct in6_prflags { 282 struct prf_ra prf_ra; 283 u_char prf_reserved1; 284 u_short prf_reserved2; 285 /* want to put this on 4byte offset */ 286 struct prf_rr { 287 u_char decrvalid : 1; 288 u_char decrprefd : 1; 289 u_char reserved : 6; 290 } prf_rr; 291 u_char prf_reserved3; 292 u_short prf_reserved4; 293 }; 294 295 struct in6_prefixreq { 296 char ipr_name[IFNAMSIZ]; 297 u_char ipr_origin; 298 u_char ipr_plen; 299 u_int32_t ipr_vltime; 300 u_int32_t ipr_pltime; 301 struct in6_prflags ipr_flags; 302 struct sockaddr_in6 ipr_prefix; 303 }; 304 305 #define PR_ORIG_RA 0 306 #define PR_ORIG_RR 1 307 #define PR_ORIG_STATIC 2 308 #define PR_ORIG_KERNEL 3 309 310 #define ipr_raf_onlink ipr_flags.prf_ra.onlink 311 #define ipr_raf_auto ipr_flags.prf_ra.autonomous 312 313 #define ipr_statef_onlink ipr_flags.prf_state.onlink 314 315 #define ipr_rrf_decrvalid ipr_flags.prf_rr.decrvalid 316 #define ipr_rrf_decrprefd ipr_flags.prf_rr.decrprefd 317 318 struct in6_rrenumreq { 319 char irr_name[IFNAMSIZ]; 320 u_char irr_origin; 321 u_char irr_m_len; /* match len for matchprefix */ 322 u_char irr_m_minlen; /* minlen for matching prefix */ 323 u_char irr_m_maxlen; /* maxlen for matching prefix */ 324 u_char irr_u_uselen; /* uselen for adding prefix */ 325 u_char irr_u_keeplen; /* keeplen from matching prefix */ 326 struct irr_raflagmask { 327 u_char onlink : 1; 328 u_char autonomous : 1; 329 u_char reserved : 6; 330 } irr_raflagmask; 331 u_int32_t irr_vltime; 332 u_int32_t irr_pltime; 333 struct in6_prflags irr_flags; 334 struct sockaddr_in6 irr_matchprefix; 335 struct sockaddr_in6 irr_useprefix; 336 }; 337 338 #define irr_raf_mask_onlink irr_raflagmask.onlink 339 #define irr_raf_mask_auto irr_raflagmask.autonomous 340 #define irr_raf_mask_reserved irr_raflagmask.reserved 341 342 #define irr_raf_onlink irr_flags.prf_ra.onlink 343 #define irr_raf_auto irr_flags.prf_ra.autonomous 344 345 #define irr_statef_onlink irr_flags.prf_state.onlink 346 347 #define irr_rrf irr_flags.prf_rr 348 #define irr_rrf_decrvalid irr_flags.prf_rr.decrvalid 349 #define irr_rrf_decrprefd irr_flags.prf_rr.decrprefd 350 351 /* 352 * Given a pointer to an in6_ifaddr (ifaddr), 353 * return a pointer to the addr as a sockaddr_in6 354 */ 355 #define IA6_IN6(ia) (&((ia)->ia_addr.sin6_addr)) 356 #define IA6_DSTIN6(ia) (&((ia)->ia_dstaddr.sin6_addr)) 357 #define IA6_MASKIN6(ia) (&((ia)->ia_prefixmask.sin6_addr)) 358 #define IA6_SIN6(ia) (&((ia)->ia_addr)) 359 #define IA6_DSTSIN6(ia) (&((ia)->ia_dstaddr)) 360 #define IFA_IN6(x) (&((struct sockaddr_in6 *)((x)->ifa_addr))->sin6_addr) 361 #define IFA_DSTIN6(x) (&((struct sockaddr_in6 *)((x)->ifa_dstaddr))->sin6_addr) 362 363 #ifdef _KERNEL 364 #define IN6_ARE_MASKED_ADDR_EQUAL(d, a, m) ( \ 365 (((d)->s6_addr32[0] ^ (a)->s6_addr32[0]) & (m)->s6_addr32[0]) == 0 && \ 366 (((d)->s6_addr32[1] ^ (a)->s6_addr32[1]) & (m)->s6_addr32[1]) == 0 && \ 367 (((d)->s6_addr32[2] ^ (a)->s6_addr32[2]) & (m)->s6_addr32[2]) == 0 && \ 368 (((d)->s6_addr32[3] ^ (a)->s6_addr32[3]) & (m)->s6_addr32[3]) == 0 ) 369 #endif 370 371 #define SIOCSIFADDR_IN6 _IOW('i', 12, struct in6_ifreq) 372 #define SIOCGIFADDR_IN6 _IOWR('i', 33, struct in6_ifreq) 373 374 #ifdef _KERNEL 375 /* 376 * SIOCSxxx ioctls should be unused (see comments in in6.c), but 377 * we do not shift numbers for binary compatibility. 378 */ 379 #define SIOCSIFDSTADDR_IN6 _IOW('i', 14, struct in6_ifreq) 380 #define SIOCSIFNETMASK_IN6 _IOW('i', 22, struct in6_ifreq) 381 #endif 382 383 #define SIOCGIFDSTADDR_IN6 _IOWR('i', 34, struct in6_ifreq) 384 #define SIOCGIFNETMASK_IN6 _IOWR('i', 37, struct in6_ifreq) 385 386 #define SIOCDIFADDR_IN6 _IOW('i', 25, struct in6_ifreq) 387 #define SIOCAIFADDR_IN6 _IOW('i', 26, struct in6_aliasreq) 388 389 #define SIOCSIFPHYADDR_IN6 _IOW('i', 70, struct in6_aliasreq) 390 #define SIOCGIFPSRCADDR_IN6 _IOWR('i', 71, struct in6_ifreq) 391 #define SIOCGIFPDSTADDR_IN6 _IOWR('i', 72, struct in6_ifreq) 392 393 #define SIOCGIFAFLAG_IN6 _IOWR('i', 73, struct in6_ifreq) 394 395 #define SIOCGDRLST_IN6 _IOWR('i', 74, struct in6_drlist) 396 #define SIOCGPRLST_IN6 _IOWR('i', 75, struct in6_oprlist) 397 #ifdef _KERNEL 398 #define OSIOCGIFINFO_IN6 _IOWR('i', 76, struct in6_ondireq) 399 #endif 400 #define SIOCGIFINFO_IN6 _IOWR('i', 108, struct in6_ndireq) 401 #define SIOCSNDFLUSH_IN6 _IOWR('i', 77, struct in6_ifreq) 402 #define SIOCGNBRINFO_IN6 _IOWR('i', 78, struct in6_nbrinfo) 403 #define SIOCSPFXFLUSH_IN6 _IOWR('i', 79, struct in6_ifreq) 404 #define SIOCSRTRFLUSH_IN6 _IOWR('i', 80, struct in6_ifreq) 405 406 #define SIOCGIFALIFETIME_IN6 _IOWR('i', 81, struct in6_ifreq) 407 #define SIOCSIFALIFETIME_IN6 _IOWR('i', 82, struct in6_ifreq) 408 #define SIOCGIFSTAT_IN6 _IOWR('i', 83, struct in6_ifreq) 409 #define SIOCGIFSTAT_ICMP6 _IOWR('i', 84, struct in6_ifreq) 410 411 #define SIOCSDEFIFACE_IN6 _IOWR('i', 85, struct in6_ndifreq) 412 #define SIOCGDEFIFACE_IN6 _IOWR('i', 86, struct in6_ndifreq) 413 414 #define SIOCSIFINFO_FLAGS _IOWR('i', 87, struct in6_ndireq) /* XXX */ 415 416 #define SIOCSIFPREFIX_IN6 _IOW('i', 100, struct in6_prefixreq) /* set */ 417 #define SIOCGIFPREFIX_IN6 _IOWR('i', 101, struct in6_prefixreq) /* get */ 418 #define SIOCDIFPREFIX_IN6 _IOW('i', 102, struct in6_prefixreq) /* del */ 419 #define SIOCAIFPREFIX_IN6 _IOW('i', 103, struct in6_rrenumreq) /* add */ 420 #define SIOCCIFPREFIX_IN6 _IOW('i', 104, \ 421 struct in6_rrenumreq) /* change */ 422 #define SIOCSGIFPREFIX_IN6 _IOW('i', 105, \ 423 struct in6_rrenumreq) /* set global */ 424 425 #define SIOCGETSGCNT_IN6 _IOWR('u', 106, \ 426 struct sioc_sg_req6) /* get s,g pkt cnt */ 427 #define SIOCGETMIFCNT_IN6 _IOWR('u', 107, \ 428 struct sioc_mif_req6) /* get pkt cnt per if */ 429 430 #define IN6_IFF_ANYCAST 0x01 /* anycast address */ 431 #define IN6_IFF_TENTATIVE 0x02 /* tentative address */ 432 #define IN6_IFF_DUPLICATED 0x04 /* DAD detected duplicate */ 433 #define IN6_IFF_DETACHED 0x08 /* may be detached from the link */ 434 #define IN6_IFF_DEPRECATED 0x10 /* deprecated address */ 435 #define IN6_IFF_NODAD 0x20 /* don't perform DAD on this address 436 * (used only at first SIOC* call) 437 */ 438 #define IN6_IFF_AUTOCONF 0x40 /* autoconfigurable address. */ 439 440 /* do not input/output */ 441 #define IN6_IFF_NOTREADY (IN6_IFF_TENTATIVE|IN6_IFF_DUPLICATED) 442 443 #ifdef _KERNEL 444 #define IN6_ARE_SCOPE_CMP(a,b) ((a)-(b)) 445 #define IN6_ARE_SCOPE_EQUAL(a,b) ((a)==(b)) 446 #endif 447 448 #ifdef _KERNEL 449 MALLOC_DECLARE(M_IP6OPT); 450 451 extern struct in6_ifaddr *in6_ifaddr; 452 453 extern struct icmp6stat icmp6stat; 454 #define in6_ifstat_inc(ifp, tag) \ 455 do { \ 456 if (ifp) \ 457 ((struct in6_ifextra *)((ifp)->if_afdata[AF_INET6]))->in6_ifstat->tag++; \ 458 } while (/*CONSTCOND*/ 0) 459 460 extern struct ifqueue ip6intrq; /* IP6 packet input queue */ 461 extern struct in6_addr zeroin6_addr; 462 extern u_char inet6ctlerrmap[]; 463 extern unsigned long in6_maxmtu; 464 465 /* 466 * Macro for finding the internet address structure (in6_ifaddr) corresponding 467 * to a given interface (ifnet structure). 468 */ 469 470 #define IFP_TO_IA6(ifp, ia) \ 471 /* struct ifnet *ifp; */ \ 472 /* struct in6_ifaddr *ia; */ \ 473 do { \ 474 struct ifaddr *ifa; \ 475 for (ifa = (ifp)->if_addrlist.tqh_first; ifa; ifa = ifa->ifa_list.tqe_next) { \ 476 if (!ifa->ifa_addr) \ 477 continue; \ 478 if (ifa->ifa_addr->sa_family == AF_INET6) \ 479 break; \ 480 } \ 481 (ia) = (struct in6_ifaddr *)ifa; \ 482 } while (/*CONSTCOND*/ 0) 483 484 #endif /* _KERNEL */ 485 486 /* 487 * Multi-cast membership entry. One for each group/ifp that a PCB 488 * belongs to. 489 */ 490 struct in6_multi_mship { 491 struct in6_multi *i6mm_maddr; /* Multicast address pointer */ 492 LIST_ENTRY(in6_multi_mship) i6mm_chain; /* multicast options chain */ 493 }; 494 495 struct in6_multi { 496 LIST_ENTRY(in6_multi) in6m_entry; /* list glue */ 497 struct in6_addr in6m_addr; /* IP6 multicast address */ 498 struct ifnet *in6m_ifp; /* back pointer to ifnet */ 499 struct in6_ifaddr *in6m_ia; /* back pointer to in6_ifaddr */ 500 u_int in6m_refcount; /* # membership claims by sockets */ 501 u_int in6m_state; /* state of the membership */ 502 u_int in6m_timer; /* MLD6 listener report timer */ 503 }; 504 505 #ifdef _KERNEL 506 507 /* 508 * Structure used by macros below to remember position when stepping through 509 * all of the in6_multi records. 510 */ 511 struct in6_multistep { 512 struct in6_ifaddr *i_ia; 513 struct in6_multi *i_in6m; 514 }; 515 516 /* 517 * Macros for looking up the in6_multi record for a given IP6 multicast 518 * address on a given interface. If no matching record is found, "in6m" 519 * returns NLL. 520 */ 521 522 #define IN6_LOOKUP_MULTI(addr, ifp, in6m) \ 523 /* struct in6_addr addr; */ \ 524 /* struct ifnet *ifp; */ \ 525 /* struct in6_multi *in6m; */ \ 526 do { \ 527 struct in6_ifaddr *ia; \ 528 \ 529 IFP_TO_IA6((ifp), ia); \ 530 if (ia == NULL) \ 531 (in6m) = NULL; \ 532 else \ 533 for ((in6m) = ia->ia6_multiaddrs.lh_first; \ 534 (in6m) != NULL && \ 535 !IN6_ARE_ADDR_EQUAL(&(in6m)->in6m_addr, &(addr)); \ 536 (in6m) = (in6m)->in6m_entry.le_next) \ 537 continue; \ 538 } while (/*CONSTCOND*/ 0) 539 540 /* 541 * Macro to step through all of the in6_multi records, one at a time. 542 * The current position is remembered in "step", which the caller must 543 * provide. IN6_FIRST_MULTI(), below, must be called to initialize "step" 544 * and get the first record. Both macros return a NULL "in6m" when there 545 * are no remaining records. 546 */ 547 #define IN6_NEXT_MULTI(step, in6m) \ 548 /* struct in6_multistep step; */ \ 549 /* struct in6_multi *in6m; */ \ 550 do { \ 551 if (((in6m) = (step).i_in6m) != NULL) \ 552 (step).i_in6m = (in6m)->in6m_entry.le_next; \ 553 else \ 554 while ((step).i_ia != NULL) { \ 555 (in6m) = (step).i_ia->ia6_multiaddrs.lh_first; \ 556 (step).i_ia = (step).i_ia->ia_next; \ 557 if ((in6m) != NULL) { \ 558 (step).i_in6m = (in6m)->in6m_entry.le_next; \ 559 break; \ 560 } \ 561 } \ 562 } while (/*CONSTCOND*/ 0) 563 564 #define IN6_FIRST_MULTI(step, in6m) \ 565 /* struct in6_multistep step; */ \ 566 /* struct in6_multi *in6m */ \ 567 do { \ 568 (step).i_ia = in6_ifaddr; \ 569 (step).i_in6m = NULL; \ 570 IN6_NEXT_MULTI((step), (in6m)); \ 571 } while (/*CONSTCOND*/ 0) 572 573 struct in6_multi *in6_addmulti __P((struct in6_addr *, struct ifnet *, 574 int *)); 575 void in6_delmulti __P((struct in6_multi *)); 576 struct in6_multi_mship *in6_joingroup __P((struct ifnet *, struct in6_addr *, 577 int *)); 578 int in6_leavegroup __P((struct in6_multi_mship *)); 579 int in6_ifindex2scopeid __P((int)); 580 int in6_mask2len __P((struct in6_addr *, u_char *)); 581 int in6_control __P((struct socket *, u_long, caddr_t, struct ifnet *, 582 struct proc *)); 583 int in6_update_ifa __P((struct ifnet *, struct in6_aliasreq *, 584 struct in6_ifaddr *)); 585 void in6_purgeaddr __P((struct ifaddr *)); 586 int in6if_do_dad __P((struct ifnet *)); 587 void in6_purgeif __P((struct ifnet *)); 588 void in6_savemkludge __P((struct in6_ifaddr *)); 589 void in6_setmaxmtu __P((void)); 590 void *in6_domifattach __P((struct ifnet *)); 591 void in6_domifdetach __P((struct ifnet *, void *)); 592 void in6_restoremkludge __P((struct in6_ifaddr *, struct ifnet *)); 593 void in6_createmkludge __P((struct ifnet *)); 594 void in6_purgemkludge __P((struct ifnet *)); 595 struct in6_ifaddr *in6ifa_ifpforlinklocal __P((struct ifnet *, int)); 596 struct in6_ifaddr *in6ifa_ifpwithaddr __P((struct ifnet *, struct in6_addr *)); 597 char *ip6_sprintf __P((const struct in6_addr *)); 598 int in6_addr2scopeid __P((struct ifnet *, struct in6_addr *)); 599 int in6_matchlen __P((struct in6_addr *, struct in6_addr *)); 600 int in6_are_prefix_equal __P((struct in6_addr *, struct in6_addr *, int)); 601 void in6_prefixlen2mask __P((struct in6_addr *, int)); 602 void in6_purgeprefix __P((struct ifnet *)); 603 604 int in6_is_addr_deprecated __P((struct sockaddr_in6 *)); 605 struct in6pcb; 606 int in6_embedscope __P((struct in6_addr *, const struct sockaddr_in6 *, 607 struct in6pcb *, struct ifnet **)); 608 int in6_recoverscope __P((struct sockaddr_in6 *, const struct in6_addr *, 609 struct ifnet *)); 610 void in6_clearscope __P((struct in6_addr *)); 611 #endif /* _KERNEL */ 612 613 #endif /* _NETINET6_IN6_VAR_H_ */ 614
Indexes created Fri Sep 26 08:10:20 GMT 2025