1 /* $OpenBSD: in6_var.h,v 1.49 2014/04/03 08:22:10 mpi Exp $ */ 2 /* $KAME: in6_var.h,v 1.55 2001/02/16 12:49:45 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 #ifdef _KERNEL 90 struct nd_ifinfo; 91 struct in6_ifextra { 92 struct in6_ifstat *in6_ifstat; 93 struct icmp6_ifstat *icmp6_ifstat; 94 struct nd_ifinfo *nd_ifinfo; 95 int nprefixes; 96 int ndefrouters; 97 }; 98 99 struct in6_ifaddr { 100 struct ifaddr ia_ifa; /* protocol-independent info */ 101 #define ia_ifp ia_ifa.ifa_ifp 102 #define ia_flags ia_ifa.ifa_flags 103 104 struct sockaddr_in6 ia_addr; /* interface address */ 105 struct sockaddr_in6 ia_net; /* network number of interface */ 106 struct sockaddr_in6 ia_dstaddr; /* space for destination addr */ 107 struct sockaddr_in6 ia_prefixmask; /* prefix mask */ 108 TAILQ_ENTRY(in6_ifaddr) ia_list; /* list of IP6 addresses */ 109 int ia6_flags; 110 111 struct in6_addrlifetime ia6_lifetime; 112 time_t ia6_createtime; /* the creation time of this address, which is 113 * currently used for temporary addresses only. 114 */ 115 time_t ia6_updatetime; 116 117 /* back pointer to the prefix (for all addresses, not just autoconf) */ 118 struct nd_prefix *ia6_ndpr; 119 120 /* multicast addresses joined from the kernel */ 121 LIST_HEAD(, in6_multi_mship) ia6_memberships; 122 }; 123 #endif /* _KERNEL */ 124 125 /* 126 * IPv6 interface statistics, as defined in RFC2465 Ipv6IfStatsEntry (p12). 127 */ 128 struct in6_ifstat { 129 u_int64_t ifs6_in_receive; /* # of total input datagram */ 130 u_int64_t ifs6_in_hdrerr; /* # of datagrams with invalid hdr */ 131 u_int64_t ifs6_in_toobig; /* # of datagrams exceeded MTU */ 132 u_int64_t ifs6_in_noroute; /* # of datagrams with no route */ 133 u_int64_t ifs6_in_addrerr; /* # of datagrams with invalid dst */ 134 u_int64_t ifs6_in_protounknown; /* # of datagrams with unknown proto */ 135 /* NOTE: increment on final dst if */ 136 u_int64_t ifs6_in_truncated; /* # of truncated datagrams */ 137 u_int64_t ifs6_in_discard; /* # of discarded datagrams */ 138 /* NOTE: fragment timeout is not here */ 139 u_int64_t ifs6_in_deliver; /* # of datagrams delivered to ULP */ 140 /* NOTE: increment on final dst if */ 141 u_int64_t ifs6_out_forward; /* # of datagrams forwarded */ 142 /* NOTE: increment on outgoing if */ 143 u_int64_t ifs6_out_request; /* # of outgoing datagrams from ULP */ 144 /* NOTE: does not include forwrads */ 145 u_int64_t ifs6_out_discard; /* # of discarded datagrams */ 146 u_int64_t ifs6_out_fragok; /* # of datagrams fragmented */ 147 u_int64_t ifs6_out_fragfail; /* # of datagrams failed on fragment */ 148 u_int64_t ifs6_out_fragcreat; /* # of fragment datagrams */ 149 /* NOTE: this is # after fragment */ 150 u_int64_t ifs6_reass_reqd; /* # of incoming fragmented packets */ 151 /* NOTE: increment on final dst if */ 152 u_int64_t ifs6_reass_ok; /* # of reassembled packets */ 153 /* NOTE: this is # after reass */ 154 /* NOTE: increment on final dst if */ 155 u_int64_t ifs6_reass_fail; /* # of reass failures */ 156 /* NOTE: may not be packet count */ 157 /* NOTE: increment on final dst if */ 158 u_int64_t ifs6_in_mcast; /* # of inbound multicast datagrams */ 159 u_int64_t ifs6_out_mcast; /* # of outbound multicast datagrams */ 160 }; 161 162 /* 163 * ICMPv6 interface statistics, as defined in RFC2466 Ipv6IfIcmpEntry. 164 * XXX: I'm not sure if this file is the right place for this structure... 165 */ 166 struct icmp6_ifstat { 167 /* 168 * Input statistics 169 */ 170 /* ipv6IfIcmpInMsgs, total # of input messages */ 171 u_int64_t ifs6_in_msg; 172 /* ipv6IfIcmpInErrors, # of input error messages */ 173 u_int64_t ifs6_in_error; 174 /* ipv6IfIcmpInDestUnreachs, # of input dest unreach errors */ 175 u_int64_t ifs6_in_dstunreach; 176 /* ipv6IfIcmpInAdminProhibs, # of input administratively prohibited errs */ 177 u_int64_t ifs6_in_adminprohib; 178 /* ipv6IfIcmpInTimeExcds, # of input time exceeded errors */ 179 u_int64_t ifs6_in_timeexceed; 180 /* ipv6IfIcmpInParmProblems, # of input parameter problem errors */ 181 u_int64_t ifs6_in_paramprob; 182 /* ipv6IfIcmpInPktTooBigs, # of input packet too big errors */ 183 u_int64_t ifs6_in_pkttoobig; 184 /* ipv6IfIcmpInEchos, # of input echo requests */ 185 u_int64_t ifs6_in_echo; 186 /* ipv6IfIcmpInEchoReplies, # of input echo replies */ 187 u_int64_t ifs6_in_echoreply; 188 /* ipv6IfIcmpInRouterSolicits, # of input router solicitations */ 189 u_int64_t ifs6_in_routersolicit; 190 /* ipv6IfIcmpInRouterAdvertisements, # of input router advertisements */ 191 u_int64_t ifs6_in_routeradvert; 192 /* ipv6IfIcmpInNeighborSolicits, # of input neighbor solicitations */ 193 u_int64_t ifs6_in_neighborsolicit; 194 /* ipv6IfIcmpInNeighborAdvertisements, # of input neighbor advertisements */ 195 u_int64_t ifs6_in_neighboradvert; 196 /* ipv6IfIcmpInRedirects, # of input redirects */ 197 u_int64_t ifs6_in_redirect; 198 /* ipv6IfIcmpInGroupMembQueries, # of input MLD queries */ 199 u_int64_t ifs6_in_mldquery; 200 /* ipv6IfIcmpInGroupMembResponses, # of input MLD reports */ 201 u_int64_t ifs6_in_mldreport; 202 /* ipv6IfIcmpInGroupMembReductions, # of input MLD done */ 203 u_int64_t ifs6_in_mlddone; 204 205 /* 206 * Output statistics. We should solve unresolved routing problem... 207 */ 208 /* ipv6IfIcmpOutMsgs, total # of output messages */ 209 u_int64_t ifs6_out_msg; 210 /* ipv6IfIcmpOutErrors, # of output error messages */ 211 u_int64_t ifs6_out_error; 212 /* ipv6IfIcmpOutDestUnreachs, # of output dest unreach errors */ 213 u_int64_t ifs6_out_dstunreach; 214 /* ipv6IfIcmpOutAdminProhibs, # of output administratively prohibited errs */ 215 u_int64_t ifs6_out_adminprohib; 216 /* ipv6IfIcmpOutTimeExcds, # of output time exceeded errors */ 217 u_int64_t ifs6_out_timeexceed; 218 /* ipv6IfIcmpOutParmProblems, # of output parameter problem errors */ 219 u_int64_t ifs6_out_paramprob; 220 /* ipv6IfIcmpOutPktTooBigs, # of output packet too big errors */ 221 u_int64_t ifs6_out_pkttoobig; 222 /* ipv6IfIcmpOutEchos, # of output echo requests */ 223 u_int64_t ifs6_out_echo; 224 /* ipv6IfIcmpOutEchoReplies, # of output echo replies */ 225 u_int64_t ifs6_out_echoreply; 226 /* ipv6IfIcmpOutRouterSolicits, # of output router solicitations */ 227 u_int64_t ifs6_out_routersolicit; 228 /* ipv6IfIcmpOutRouterAdvertisements, # of output router advertisements */ 229 u_int64_t ifs6_out_routeradvert; 230 /* ipv6IfIcmpOutNeighborSolicits, # of output neighbor solicitations */ 231 u_int64_t ifs6_out_neighborsolicit; 232 /* ipv6IfIcmpOutNeighborAdvertisements, # of output neighbor advertisements */ 233 u_int64_t ifs6_out_neighboradvert; 234 /* ipv6IfIcmpOutRedirects, # of output redirects */ 235 u_int64_t ifs6_out_redirect; 236 /* ipv6IfIcmpOutGroupMembQueries, # of output MLD queries */ 237 u_int64_t ifs6_out_mldquery; 238 /* ipv6IfIcmpOutGroupMembResponses, # of output MLD reports */ 239 u_int64_t ifs6_out_mldreport; 240 /* ipv6IfIcmpOutGroupMembReductions, # of output MLD done */ 241 u_int64_t ifs6_out_mlddone; 242 }; 243 244 struct in6_ifreq { 245 char ifr_name[IFNAMSIZ]; 246 union { 247 struct sockaddr_in6 ifru_addr; 248 struct sockaddr_in6 ifru_dstaddr; 249 short ifru_flags; 250 int ifru_flags6; 251 int ifru_metric; 252 caddr_t ifru_data; 253 struct in6_addrlifetime ifru_lifetime; 254 struct in6_ifstat ifru_stat; 255 struct icmp6_ifstat ifru_icmp6stat; 256 } ifr_ifru; 257 }; 258 259 struct in6_aliasreq { 260 char ifra_name[IFNAMSIZ]; 261 union { 262 struct sockaddr_in6 ifrau_addr; 263 int ifrau_align; 264 } ifra_ifrau; 265 #ifndef ifra_addr 266 #define ifra_addr ifra_ifrau.ifrau_addr 267 #endif 268 struct sockaddr_in6 ifra_dstaddr; 269 struct sockaddr_in6 ifra_prefixmask; 270 int ifra_flags; 271 struct in6_addrlifetime ifra_lifetime; 272 }; 273 274 /* prefix type macro */ 275 #define IN6_PREFIX_ND 1 276 #define IN6_PREFIX_RR 2 277 278 /* 279 * prefix related flags passed between kernel(NDP related part) and 280 * user land command(ifconfig) and daemon(rtadvd). 281 */ 282 struct prf_ra { 283 u_int onlink : 1; 284 u_int autonomous : 1; 285 u_int router : 1; 286 u_int reserved : 5; 287 }; 288 289 struct in6_prflags { 290 struct prf_ra prf_ra; 291 u_char prf_reserved1; 292 u_short prf_reserved2; 293 /* want to put this on 4byte offset */ 294 struct prf_rr { 295 u_int decrvalid : 1; 296 u_int decrprefd : 1; 297 u_int reserved : 6; 298 } prf_rr; 299 u_char prf_reserved3; 300 u_short prf_reserved4; 301 }; 302 303 struct in6_prefixreq { 304 char ipr_name[IFNAMSIZ]; 305 u_char ipr_origin; 306 u_char ipr_plen; 307 u_int32_t ipr_vltime; 308 u_int32_t ipr_pltime; 309 struct in6_prflags ipr_flags; 310 struct sockaddr_in6 ipr_prefix; 311 }; 312 313 #define PR_ORIG_RA 0 314 #define PR_ORIG_RR 1 315 #define PR_ORIG_STATIC 2 316 #define PR_ORIG_KERNEL 3 317 318 #define ipr_raf_onlink ipr_flags.prf_ra.onlink 319 #define ipr_raf_auto ipr_flags.prf_ra.autonomous 320 321 #define ipr_statef_onlink ipr_flags.prf_state.onlink 322 323 #define ipr_rrf_decrvalid ipr_flags.prf_rr.decrvalid 324 #define ipr_rrf_decrprefd ipr_flags.prf_rr.decrprefd 325 326 struct in6_rrenumreq { 327 char irr_name[IFNAMSIZ]; 328 u_char irr_origin; 329 u_char irr_m_len; /* match len for matchprefix */ 330 u_char irr_m_minlen; /* minlen for matching prefix */ 331 u_char irr_m_maxlen; /* maxlen for matching prefix */ 332 u_char irr_u_uselen; /* uselen for adding prefix */ 333 u_char irr_u_keeplen; /* keeplen from matching prefix */ 334 struct irr_raflagmask { 335 u_int onlink : 1; 336 u_int autonomous : 1; 337 u_int reserved : 6; 338 } irr_raflagmask; 339 u_int32_t irr_vltime; 340 u_int32_t irr_pltime; 341 struct in6_prflags irr_flags; 342 struct sockaddr_in6 irr_matchprefix; 343 struct sockaddr_in6 irr_useprefix; 344 }; 345 346 #define irr_raf_mask_onlink irr_raflagmask.onlink 347 #define irr_raf_mask_auto irr_raflagmask.autonomous 348 #define irr_raf_mask_reserved irr_raflagmask.reserved 349 350 #define irr_raf_onlink irr_flags.prf_ra.onlink 351 #define irr_raf_auto irr_flags.prf_ra.autonomous 352 353 #define irr_statef_onlink irr_flags.prf_state.onlink 354 355 #define irr_rrf irr_flags.prf_rr 356 #define irr_rrf_decrvalid irr_flags.prf_rr.decrvalid 357 #define irr_rrf_decrprefd irr_flags.prf_rr.decrprefd 358 359 /* 360 * Given a pointer to an in6_ifaddr (ifaddr), 361 * return a pointer to the addr as a sockaddr_in6 362 */ 363 #define IA6_IN6(ia) (&((ia)->ia_addr.sin6_addr)) 364 #define IA6_DSTIN6(ia) (&((ia)->ia_dstaddr.sin6_addr)) 365 #define IA6_MASKIN6(ia) (&((ia)->ia_prefixmask.sin6_addr)) 366 #define IA6_SIN6(ia) (&((ia)->ia_addr)) 367 #define IA6_DSTSIN6(ia) (&((ia)->ia_dstaddr)) 368 #define IFA_IN6(x) (&((struct sockaddr_in6 *)((x)->ifa_addr))->sin6_addr) 369 #define IFA_DSTIN6(x) (&((struct sockaddr_in6 *)((x)->ifa_dstaddr))->sin6_addr) 370 371 #ifdef _KERNEL 372 #define IN6_ARE_MASKED_ADDR_EQUAL(d, a, m) ( \ 373 (((d)->s6_addr32[0] ^ (a)->s6_addr32[0]) & (m)->s6_addr32[0]) == 0 && \ 374 (((d)->s6_addr32[1] ^ (a)->s6_addr32[1]) & (m)->s6_addr32[1]) == 0 && \ 375 (((d)->s6_addr32[2] ^ (a)->s6_addr32[2]) & (m)->s6_addr32[2]) == 0 && \ 376 (((d)->s6_addr32[3] ^ (a)->s6_addr32[3]) & (m)->s6_addr32[3]) == 0 ) 377 #endif /* _KERNEL */ 378 379 #define SIOCSIFADDR_IN6 _IOW('i', 12, struct in6_ifreq) 380 #define SIOCGIFADDR_IN6 _IOWR('i', 33, struct in6_ifreq) 381 382 #ifdef _KERNEL 383 /* 384 * SIOCSxxx ioctls should be unused (see comments in in6.c), but 385 * we do not shift numbers for binary compatibility. 386 */ 387 #define SIOCSIFDSTADDR_IN6 _IOW('i', 14, struct in6_ifreq) 388 #define SIOCSIFNETMASK_IN6 _IOW('i', 22, struct in6_ifreq) 389 #endif /* _KERNEL */ 390 391 #define SIOCGIFDSTADDR_IN6 _IOWR('i', 34, struct in6_ifreq) 392 #define SIOCGIFNETMASK_IN6 _IOWR('i', 37, struct in6_ifreq) 393 394 #define SIOCDIFADDR_IN6 _IOW('i', 25, struct in6_ifreq) 395 #define SIOCAIFADDR_IN6 _IOW('i', 26, struct in6_aliasreq) 396 397 #define SIOCSIFPHYADDR_IN6 _IOW('i', 70, struct in6_aliasreq) 398 #define SIOCGIFPSRCADDR_IN6 _IOWR('i', 71, struct in6_ifreq) 399 #define SIOCGIFPDSTADDR_IN6 _IOWR('i', 72, struct in6_ifreq) 400 401 #define SIOCGIFAFLAG_IN6 _IOWR('i', 73, struct in6_ifreq) 402 403 #define SIOCGIFINFO_IN6 _IOWR('i', 108, struct in6_ndireq) 404 #define SIOCSNDFLUSH_IN6 _IOWR('i', 77, struct in6_ifreq) 405 #define SIOCGNBRINFO_IN6 _IOWR('i', 78, struct in6_nbrinfo) 406 #define SIOCSPFXFLUSH_IN6 _IOWR('i', 79, struct in6_ifreq) 407 #define SIOCSRTRFLUSH_IN6 _IOWR('i', 80, struct in6_ifreq) 408 409 #define SIOCGIFALIFETIME_IN6 _IOWR('i', 81, struct in6_ifreq) 410 #define SIOCSIFALIFETIME_IN6 _IOWR('i', 82, struct in6_ifreq) 411 #define SIOCGIFSTAT_IN6 _IOWR('i', 83, struct in6_ifreq) 412 #define SIOCGIFSTAT_ICMP6 _IOWR('i', 84, struct in6_ifreq) 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 #define IN6_IFF_PRIVACY 0x80 /* RFC 4941 temporary address */ 440 441 /* do not input/output */ 442 #define IN6_IFF_NOTREADY (IN6_IFF_TENTATIVE|IN6_IFF_DUPLICATED) 443 444 #ifdef _KERNEL 445 #define IN6_ARE_SCOPE_CMP(a,b) ((a)-(b)) 446 #define IN6_ARE_SCOPE_EQUAL(a,b) ((a)==(b)) 447 448 TAILQ_HEAD(in6_ifaddrhead, in6_ifaddr); 449 extern struct in6_ifaddrhead in6_ifaddr; 450 451 extern struct icmp6stat icmp6stat; 452 #define in6_ifstat_inc(ifp, tag) \ 453 do { \ 454 if (ifp) \ 455 ((struct in6_ifextra *)((ifp)->if_afdata[AF_INET6]))->in6_ifstat->tag++; \ 456 } while (0) 457 458 /* 459 * Multi-cast membership entry. One for each group/ifp that a PCB 460 * belongs to. 461 */ 462 struct in6_multi_mship { 463 struct in6_multi *i6mm_maddr; /* Multicast address pointer */ 464 LIST_ENTRY(in6_multi_mship) i6mm_chain; /* multicast options chain */ 465 }; 466 467 struct in6_multi { 468 struct ifmaddr in6m_ifma; /* Protocol-independent info */ 469 #define in6m_refcnt in6m_ifma.ifma_refcnt 470 #define in6m_ifidx in6m_ifma.ifma_ifidx 471 472 struct sockaddr_in6 in6m_sin; /* IPv6 multicast address */ 473 #define in6m_addr in6m_sin.sin6_addr 474 475 u_int in6m_state; /* state of membership */ 476 u_int in6m_timer; /* MLD6 membership report timer */ 477 }; 478 479 static __inline struct in6_multi * 480 ifmatoin6m(struct ifmaddr *ifma) 481 { 482 return ((struct in6_multi *)(ifma)); 483 } 484 485 /* 486 * Macros for looking up the in6_multi record for a given IP6 multicast 487 * address on a given interface. If no matching record is found, "in6m" 488 * returns NULL. 489 */ 490 #define IN6_LOOKUP_MULTI(addr, ifp, in6m) \ 491 /* struct in6_addr addr; */ \ 492 /* struct ifnet *ifp; */ \ 493 /* struct in6_multi *in6m; */ \ 494 do { \ 495 struct ifmaddr *ifma; \ 496 \ 497 (in6m) = NULL; \ 498 TAILQ_FOREACH(ifma, &(ifp)->if_maddrlist, ifma_list) \ 499 if (ifma->ifma_addr->sa_family == AF_INET6 && \ 500 IN6_ARE_ADDR_EQUAL(&ifmatoin6m(ifma)->in6m_addr, \ 501 &(addr))) { \ 502 (in6m) = ifmatoin6m(ifma); \ 503 break; \ 504 } \ 505 } while (/* CONSTCOND */ 0) 506 507 struct in6_multi *in6_addmulti(struct in6_addr *, struct ifnet *, int *); 508 void in6_delmulti(struct in6_multi *); 509 struct in6_multi_mship *in6_joingroup(struct ifnet *, struct in6_addr *, int *); 510 int in6_leavegroup(struct in6_multi_mship *); 511 int in6_control(struct socket *, u_long, caddr_t, struct ifnet *); 512 int in6_update_ifa(struct ifnet *, struct in6_aliasreq *, 513 struct in6_ifaddr *); 514 void in6_purgeaddr(struct ifaddr *); 515 int in6if_do_dad(struct ifnet *); 516 void in6_setmaxmtu(void); 517 void *in6_domifattach(struct ifnet *); 518 void in6_domifdetach(struct ifnet *, void *); 519 struct in6_ifaddr *in6ifa_ifpforlinklocal(struct ifnet *, int); 520 struct in6_ifaddr *in6ifa_ifpwithaddr(struct ifnet *, struct in6_addr *); 521 int in6_ifpprefix(const struct ifnet *, const struct in6_addr *); 522 int in6_addr2scopeid(struct ifnet *, struct in6_addr *); 523 int in6_matchlen(struct in6_addr *, struct in6_addr *); 524 int in6_are_prefix_equal(struct in6_addr *, struct in6_addr *, int); 525 void in6_prefixlen2mask(struct in6_addr *, int); 526 void in6_purgeprefix(struct ifnet *); 527 #endif /* _KERNEL */ 528 529 #endif /* _NETINET6_IN6_VAR_H_ */ 530