in6_var.h revision 1.26
1 /* $NetBSD: in6_var.h,v 1.26 2002/05/29 02:58:31 itojun Exp $ */ 2 /* $KAME: in6_var.h,v 1.53 2001/02/10 02:44:27 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. All advertising materials mentioning features or use of this software 46 * must display the following acknowledgement: 47 * This product includes software developed by the University of 48 * California, Berkeley and its contributors. 49 * 4. Neither the name of the University nor the names of its contributors 50 * may be used to endorse or promote products derived from this software 51 * without specific prior written permission. 52 * 53 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 54 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 55 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 56 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 57 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 58 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 59 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 60 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 61 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 62 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 63 * SUCH DAMAGE. 64 * 65 * @(#)in_var.h 8.1 (Berkeley) 6/10/93 66 */ 67 68 #ifndef _NETINET6_IN6_VAR_H_ 69 #define _NETINET6_IN6_VAR_H_ 70 71 /* 72 * Interface address, Internet version. One of these structures 73 * is allocated for each interface with an Internet address. 74 * The ifaddr structure contains the protocol-independent part 75 * of the structure and is assumed to be first. 76 */ 77 78 /* 79 * pltime/vltime are just for future reference (required to implements 2 80 * hour rule for hosts). they should never be modified by nd6_timeout or 81 * anywhere else. 82 * userland -> kernel: accept pltime/vltime 83 * kernel -> userland: throw up everything 84 * in kernel: modify preferred/expire only 85 */ 86 struct in6_addrlifetime { 87 time_t ia6t_expire; /* valid lifetime expiration time */ 88 time_t ia6t_preferred; /* preferred lifetime expiration time */ 89 u_int32_t ia6t_vltime; /* valid lifetime */ 90 u_int32_t ia6t_pltime; /* prefix lifetime */ 91 }; 92 93 #if 0 94 struct nd_ifinfo; 95 #endif 96 struct in6_ifextra { 97 struct in6_ifstat *in6_ifstat; 98 struct icmp6_ifstat *icmp6_ifstat; 99 #if 0 100 struct nd_ifinfo *nd_ifinfo; 101 #endif 102 }; 103 104 struct in6_ifaddr { 105 struct ifaddr ia_ifa; /* protocol-independent info */ 106 #define ia_ifp ia_ifa.ifa_ifp 107 #define ia_flags ia_ifa.ifa_flags 108 struct sockaddr_in6 ia_addr; /* interface address */ 109 struct sockaddr_in6 ia_net; /* network number of interface */ 110 struct sockaddr_in6 ia_dstaddr; /* space for destination addr */ 111 struct sockaddr_in6 ia_prefixmask; /* prefix mask */ 112 u_int32_t ia_plen; /* prefix length */ 113 struct in6_ifaddr *ia_next; /* next in6 list of IP6 addresses */ 114 LIST_HEAD(in6_multihead, in6_multi) ia6_multiaddrs; 115 /* list of multicast addresses */ 116 int ia6_flags; 117 118 struct in6_addrlifetime ia6_lifetime; /* NULL = infty */ 119 struct ifprefix *ia6_ifpr; /* back pointer to ifprefix */ 120 }; 121 122 /* 123 * IPv6 interface statistics, as defined in RFC2465 Ipv6IfStatsEntry (p12). 124 */ 125 struct in6_ifstat { 126 u_quad_t ifs6_in_receive; /* # of total input datagram */ 127 u_quad_t ifs6_in_hdrerr; /* # of datagrams with invalid hdr */ 128 u_quad_t ifs6_in_toobig; /* # of datagrams exceeded MTU */ 129 u_quad_t ifs6_in_noroute; /* # of datagrams with no route */ 130 u_quad_t ifs6_in_addrerr; /* # of datagrams with invalid dst */ 131 u_quad_t ifs6_in_protounknown; /* # of datagrams with unknown proto */ 132 /* NOTE: increment on final dst if */ 133 u_quad_t ifs6_in_truncated; /* # of truncated datagrams */ 134 u_quad_t ifs6_in_discard; /* # of discarded datagrams */ 135 /* NOTE: fragment timeout is not here */ 136 u_quad_t ifs6_in_deliver; /* # of datagrams delivered to ULP */ 137 /* NOTE: increment on final dst if */ 138 u_quad_t ifs6_out_forward; /* # of datagrams forwarded */ 139 /* NOTE: increment on outgoing if */ 140 u_quad_t ifs6_out_request; /* # of outgoing datagrams from ULP */ 141 /* NOTE: does not include forwrads */ 142 u_quad_t ifs6_out_discard; /* # of discarded datagrams */ 143 u_quad_t ifs6_out_fragok; /* # of datagrams fragmented */ 144 u_quad_t ifs6_out_fragfail; /* # of datagrams failed on fragment */ 145 u_quad_t ifs6_out_fragcreat; /* # of fragment datagrams */ 146 /* NOTE: this is # after fragment */ 147 u_quad_t ifs6_reass_reqd; /* # of incoming fragmented packets */ 148 /* NOTE: increment on final dst if */ 149 u_quad_t ifs6_reass_ok; /* # of reassembled packets */ 150 /* NOTE: this is # after reass */ 151 /* NOTE: increment on final dst if */ 152 u_quad_t ifs6_reass_fail; /* # of reass failures */ 153 /* NOTE: may not be packet count */ 154 /* NOTE: increment on final dst if */ 155 u_quad_t ifs6_in_mcast; /* # of inbound multicast datagrams */ 156 u_quad_t ifs6_out_mcast; /* # of outbound multicast datagrams */ 157 }; 158 159 /* 160 * ICMPv6 interface statistics, as defined in RFC2466 Ipv6IfIcmpEntry. 161 * XXX: I'm not sure if this file is the right place for this structure... 162 */ 163 struct icmp6_ifstat { 164 /* 165 * Input statistics 166 */ 167 /* ipv6IfIcmpInMsgs, total # of input messages */ 168 u_quad_t ifs6_in_msg; 169 /* ipv6IfIcmpInErrors, # of input error messages */ 170 u_quad_t ifs6_in_error; 171 /* ipv6IfIcmpInDestUnreachs, # of input dest unreach errors */ 172 u_quad_t ifs6_in_dstunreach; 173 /* ipv6IfIcmpInAdminProhibs, # of input administratively prohibited errs */ 174 u_quad_t ifs6_in_adminprohib; 175 /* ipv6IfIcmpInTimeExcds, # of input time exceeded errors */ 176 u_quad_t ifs6_in_timeexceed; 177 /* ipv6IfIcmpInParmProblems, # of input parameter problem errors */ 178 u_quad_t ifs6_in_paramprob; 179 /* ipv6IfIcmpInPktTooBigs, # of input packet too big errors */ 180 u_quad_t ifs6_in_pkttoobig; 181 /* ipv6IfIcmpInEchos, # of input echo requests */ 182 u_quad_t ifs6_in_echo; 183 /* ipv6IfIcmpInEchoReplies, # of input echo replies */ 184 u_quad_t ifs6_in_echoreply; 185 /* ipv6IfIcmpInRouterSolicits, # of input router solicitations */ 186 u_quad_t ifs6_in_routersolicit; 187 /* ipv6IfIcmpInRouterAdvertisements, # of input router advertisements */ 188 u_quad_t ifs6_in_routeradvert; 189 /* ipv6IfIcmpInNeighborSolicits, # of input neighbor solicitations */ 190 u_quad_t ifs6_in_neighborsolicit; 191 /* ipv6IfIcmpInNeighborAdvertisements, # of input neighbor advertisements */ 192 u_quad_t ifs6_in_neighboradvert; 193 /* ipv6IfIcmpInRedirects, # of input redirects */ 194 u_quad_t ifs6_in_redirect; 195 /* ipv6IfIcmpInGroupMembQueries, # of input MLD queries */ 196 u_quad_t ifs6_in_mldquery; 197 /* ipv6IfIcmpInGroupMembResponses, # of input MLD reports */ 198 u_quad_t ifs6_in_mldreport; 199 /* ipv6IfIcmpInGroupMembReductions, # of input MLD done */ 200 u_quad_t ifs6_in_mlddone; 201 202 /* 203 * Output statistics. We should solve unresolved routing problem... 204 */ 205 /* ipv6IfIcmpOutMsgs, total # of output messages */ 206 u_quad_t ifs6_out_msg; 207 /* ipv6IfIcmpOutErrors, # of output error messages */ 208 u_quad_t ifs6_out_error; 209 /* ipv6IfIcmpOutDestUnreachs, # of output dest unreach errors */ 210 u_quad_t ifs6_out_dstunreach; 211 /* ipv6IfIcmpOutAdminProhibs, # of output administratively prohibited errs */ 212 u_quad_t ifs6_out_adminprohib; 213 /* ipv6IfIcmpOutTimeExcds, # of output time exceeded errors */ 214 u_quad_t ifs6_out_timeexceed; 215 /* ipv6IfIcmpOutParmProblems, # of output parameter problem errors */ 216 u_quad_t ifs6_out_paramprob; 217 /* ipv6IfIcmpOutPktTooBigs, # of output packet too big errors */ 218 u_quad_t ifs6_out_pkttoobig; 219 /* ipv6IfIcmpOutEchos, # of output echo requests */ 220 u_quad_t ifs6_out_echo; 221 /* ipv6IfIcmpOutEchoReplies, # of output echo replies */ 222 u_quad_t ifs6_out_echoreply; 223 /* ipv6IfIcmpOutRouterSolicits, # of output router solicitations */ 224 u_quad_t ifs6_out_routersolicit; 225 /* ipv6IfIcmpOutRouterAdvertisements, # of output router advertisements */ 226 u_quad_t ifs6_out_routeradvert; 227 /* ipv6IfIcmpOutNeighborSolicits, # of output neighbor solicitations */ 228 u_quad_t ifs6_out_neighborsolicit; 229 /* ipv6IfIcmpOutNeighborAdvertisements, # of output neighbor advertisements */ 230 u_quad_t ifs6_out_neighboradvert; 231 /* ipv6IfIcmpOutRedirects, # of output redirects */ 232 u_quad_t ifs6_out_redirect; 233 /* ipv6IfIcmpOutGroupMembQueries, # of output MLD queries */ 234 u_quad_t ifs6_out_mldquery; 235 /* ipv6IfIcmpOutGroupMembResponses, # of output MLD reports */ 236 u_quad_t ifs6_out_mldreport; 237 /* ipv6IfIcmpOutGroupMembReductions, # of output MLD done */ 238 u_quad_t ifs6_out_mlddone; 239 }; 240 241 struct in6_ifreq { 242 char ifr_name[IFNAMSIZ]; 243 union { 244 struct sockaddr_in6 ifru_addr; 245 struct sockaddr_in6 ifru_dstaddr; 246 short ifru_flags; 247 int ifru_flags6; 248 int ifru_metric; 249 caddr_t ifru_data; 250 struct in6_addrlifetime ifru_lifetime; 251 struct in6_ifstat ifru_stat; 252 struct icmp6_ifstat ifru_icmp6stat; 253 } ifr_ifru; 254 }; 255 256 struct in6_aliasreq { 257 char ifra_name[IFNAMSIZ]; 258 struct sockaddr_in6 ifra_addr; 259 struct sockaddr_in6 ifra_dstaddr; 260 struct sockaddr_in6 ifra_prefixmask; 261 int ifra_flags; 262 struct in6_addrlifetime ifra_lifetime; 263 }; 264 265 /* prefix type macro */ 266 #define IN6_PREFIX_ND 1 267 #define IN6_PREFIX_RR 2 268 269 /* 270 * prefix related flags passed between kernel(NDP related part) and 271 * user land command(ifconfig) and daemon(rtadvd). 272 */ 273 struct in6_prflags { 274 struct prf_ra { 275 u_char onlink : 1; 276 u_char autonomous : 1; 277 u_char reserved : 6; 278 } prf_ra; 279 u_char prf_reserved1; 280 u_short prf_reserved2; 281 /* want to put this on 4byte offset */ 282 struct prf_rr { 283 u_char decrvalid : 1; 284 u_char decrprefd : 1; 285 u_char reserved : 6; 286 } prf_rr; 287 u_char prf_reserved3; 288 u_short prf_reserved4; 289 }; 290 291 struct in6_prefixreq { 292 char ipr_name[IFNAMSIZ]; 293 u_char ipr_origin; 294 u_char ipr_plen; 295 u_int32_t ipr_vltime; 296 u_int32_t ipr_pltime; 297 struct in6_prflags ipr_flags; 298 struct sockaddr_in6 ipr_prefix; 299 }; 300 301 #define PR_ORIG_RA 0 302 #define PR_ORIG_RR 1 303 #define PR_ORIG_STATIC 2 304 #define PR_ORIG_KERNEL 3 305 306 #define ipr_raf_onlink ipr_flags.prf_ra.onlink 307 #define ipr_raf_auto ipr_flags.prf_ra.autonomous 308 309 #define ipr_statef_onlink ipr_flags.prf_state.onlink 310 311 #define ipr_rrf_decrvalid ipr_flags.prf_rr.decrvalid 312 #define ipr_rrf_decrprefd ipr_flags.prf_rr.decrprefd 313 314 struct in6_rrenumreq { 315 char irr_name[IFNAMSIZ]; 316 u_char irr_origin; 317 u_char irr_m_len; /* match len for matchprefix */ 318 u_char irr_m_minlen; /* minlen for matching prefix */ 319 u_char irr_m_maxlen; /* maxlen for matching prefix */ 320 u_char irr_u_uselen; /* uselen for adding prefix */ 321 u_char irr_u_keeplen; /* keeplen from matching prefix */ 322 struct irr_raflagmask { 323 u_char onlink : 1; 324 u_char autonomous : 1; 325 u_char reserved : 6; 326 } irr_raflagmask; 327 u_int32_t irr_vltime; 328 u_int32_t irr_pltime; 329 struct in6_prflags irr_flags; 330 struct sockaddr_in6 irr_matchprefix; 331 struct sockaddr_in6 irr_useprefix; 332 }; 333 334 #define irr_raf_mask_onlink irr_raflagmask.onlink 335 #define irr_raf_mask_auto irr_raflagmask.autonomous 336 #define irr_raf_mask_reserved irr_raflagmask.reserved 337 338 #define irr_raf_onlink irr_flags.prf_ra.onlink 339 #define irr_raf_auto irr_flags.prf_ra.autonomous 340 341 #define irr_statef_onlink irr_flags.prf_state.onlink 342 343 #define irr_rrf irr_flags.prf_rr 344 #define irr_rrf_decrvalid irr_flags.prf_rr.decrvalid 345 #define irr_rrf_decrprefd irr_flags.prf_rr.decrprefd 346 347 /* 348 * Given a pointer to an in6_ifaddr (ifaddr), 349 * return a pointer to the addr as a sockaddr_in6 350 */ 351 #define IA6_IN6(ia) (&((ia)->ia_addr.sin6_addr)) 352 #define IA6_DSTIN6(ia) (&((ia)->ia_dstaddr.sin6_addr)) 353 #define IA6_MASKIN6(ia) (&((ia)->ia_prefixmask.sin6_addr)) 354 #define IA6_SIN6(ia) (&((ia)->ia_addr)) 355 #define IA6_DSTSIN6(ia) (&((ia)->ia_dstaddr)) 356 #define IFA_IN6(x) (&((struct sockaddr_in6 *)((x)->ifa_addr))->sin6_addr) 357 #define IFA_DSTIN6(x) (&((struct sockaddr_in6 *)((x)->ifa_dstaddr))->sin6_addr) 358 359 #define IFPR_IN6(x) (&((struct sockaddr_in6 *)((x)->ifpr_prefix))->sin6_addr) 360 361 #ifdef _KERNEL 362 #define IN6_ARE_MASKED_ADDR_EQUAL(d, a, m) ( \ 363 (((d)->s6_addr32[0] ^ (a)->s6_addr32[0]) & (m)->s6_addr32[0]) == 0 && \ 364 (((d)->s6_addr32[1] ^ (a)->s6_addr32[1]) & (m)->s6_addr32[1]) == 0 && \ 365 (((d)->s6_addr32[2] ^ (a)->s6_addr32[2]) & (m)->s6_addr32[2]) == 0 && \ 366 (((d)->s6_addr32[3] ^ (a)->s6_addr32[3]) & (m)->s6_addr32[3]) == 0 ) 367 #endif 368 369 #define SIOCSIFADDR_IN6 _IOW('i', 12, struct in6_ifreq) 370 #define SIOCGIFADDR_IN6 _IOWR('i', 33, struct in6_ifreq) 371 372 #ifdef _KERNEL 373 /* 374 * SIOCSxxx ioctls should be unused (see comments in in6.c), but 375 * we do not shift numbers for binary compatibility. 376 */ 377 #define SIOCSIFDSTADDR_IN6 _IOW('i', 14, struct in6_ifreq) 378 #define SIOCSIFNETMASK_IN6 _IOW('i', 22, struct in6_ifreq) 379 #endif 380 381 #define SIOCGIFDSTADDR_IN6 _IOWR('i', 34, struct in6_ifreq) 382 #define SIOCGIFNETMASK_IN6 _IOWR('i', 37, struct in6_ifreq) 383 384 #define SIOCDIFADDR_IN6 _IOW('i', 25, struct in6_ifreq) 385 #define SIOCAIFADDR_IN6 _IOW('i', 26, struct in6_aliasreq) 386 387 #define SIOCSIFPHYADDR_IN6 _IOW('i', 70, struct in6_aliasreq) 388 #define SIOCGIFPSRCADDR_IN6 _IOWR('i', 71, struct in6_ifreq) 389 #define SIOCGIFPDSTADDR_IN6 _IOWR('i', 72, struct in6_ifreq) 390 391 #define SIOCGIFAFLAG_IN6 _IOWR('i', 73, struct in6_ifreq) 392 393 #define SIOCGDRLST_IN6 _IOWR('i', 74, struct in6_drlist) 394 #define SIOCGPRLST_IN6 _IOWR('i', 75, struct in6_prlist) 395 #define SIOCGIFINFO_IN6 _IOWR('i', 76, struct in6_ndireq) 396 #define SIOCSNDFLUSH_IN6 _IOWR('i', 77, struct in6_ifreq) 397 #define SIOCGNBRINFO_IN6 _IOWR('i', 78, struct in6_nbrinfo) 398 #define SIOCSPFXFLUSH_IN6 _IOWR('i', 79, struct in6_ifreq) 399 #define SIOCSRTRFLUSH_IN6 _IOWR('i', 80, struct in6_ifreq) 400 401 #define SIOCGIFALIFETIME_IN6 _IOWR('i', 81, struct in6_ifreq) 402 #define SIOCSIFALIFETIME_IN6 _IOWR('i', 82, struct in6_ifreq) 403 #define SIOCGIFSTAT_IN6 _IOWR('i', 83, struct in6_ifreq) 404 #define SIOCGIFSTAT_ICMP6 _IOWR('i', 84, struct in6_ifreq) 405 406 #define SIOCSDEFIFACE_IN6 _IOWR('i', 85, struct in6_ndifreq) 407 #define SIOCGDEFIFACE_IN6 _IOWR('i', 86, struct in6_ndifreq) 408 409 #define SIOCSIFINFO_FLAGS _IOWR('i', 87, struct in6_ndireq) /* XXX */ 410 411 #define SIOCSIFPREFIX_IN6 _IOW('i', 100, struct in6_prefixreq) /* set */ 412 #define SIOCGIFPREFIX_IN6 _IOWR('i', 101, struct in6_prefixreq) /* get */ 413 #define SIOCDIFPREFIX_IN6 _IOW('i', 102, struct in6_prefixreq) /* del */ 414 #define SIOCAIFPREFIX_IN6 _IOW('i', 103, struct in6_rrenumreq) /* add */ 415 #define SIOCCIFPREFIX_IN6 _IOW('i', 104, \ 416 struct in6_rrenumreq) /* change */ 417 #define SIOCSGIFPREFIX_IN6 _IOW('i', 105, \ 418 struct in6_rrenumreq) /* set global */ 419 420 #define SIOCGETSGCNT_IN6 _IOWR('u', 106, \ 421 struct sioc_sg_req6) /* get s,g pkt cnt */ 422 #define SIOCGETMIFCNT_IN6 _IOWR('u', 107, \ 423 struct sioc_mif_req6) /* get pkt cnt per if */ 424 425 #define IN6_IFF_ANYCAST 0x01 /* anycast address */ 426 #define IN6_IFF_TENTATIVE 0x02 /* tentative address */ 427 #define IN6_IFF_DUPLICATED 0x04 /* DAD detected duplicate */ 428 #define IN6_IFF_DETACHED 0x08 /* may be detached from the link */ 429 #define IN6_IFF_DEPRECATED 0x10 /* deprecated address */ 430 431 /* do not input/output */ 432 #define IN6_IFF_NOTREADY (IN6_IFF_TENTATIVE|IN6_IFF_DUPLICATED) 433 434 #ifdef _KERNEL 435 #define IN6_ARE_SCOPE_CMP(a,b) ((a)-(b)) 436 #define IN6_ARE_SCOPE_EQUAL(a,b) ((a)==(b)) 437 #endif 438 439 #ifdef _KERNEL 440 extern struct in6_ifaddr *in6_ifaddr; 441 442 extern struct in6_ifstat **in6_ifstat; 443 extern size_t in6_ifstatmax; 444 extern struct icmp6stat icmp6stat; 445 extern struct icmp6_ifstat **icmp6_ifstat; 446 extern size_t icmp6_ifstatmax; 447 #define in6_ifstat_inc(ifp, tag) \ 448 do { \ 449 if (ifp) \ 450 ((struct in6_ifextra *)((ifp)->if_afdata[AF_INET6]))->in6_ifstat->tag++; \ 451 } while (0) 452 453 extern struct ifqueue ip6intrq; /* IP6 packet input queue */ 454 extern struct in6_addr zeroin6_addr; 455 extern u_char inet6ctlerrmap[]; 456 extern unsigned long in6_maxmtu; 457 458 /* 459 * Macro for finding the internet address structure (in6_ifaddr) corresponding 460 * to a given interface (ifnet structure). 461 */ 462 463 #define IFP_TO_IA6(ifp, ia) \ 464 /* struct ifnet *ifp; */ \ 465 /* struct in6_ifaddr *ia; */ \ 466 do { \ 467 struct ifaddr *ifa; \ 468 for (ifa = (ifp)->if_addrlist.tqh_first; ifa; ifa = ifa->ifa_list.tqe_next) { \ 469 if (!ifa->ifa_addr) \ 470 continue; \ 471 if (ifa->ifa_addr->sa_family == AF_INET6) \ 472 break; \ 473 } \ 474 (ia) = (struct in6_ifaddr *)ifa; \ 475 } while (0) 476 477 #endif /* _KERNEL */ 478 479 /* 480 * Multi-cast membership entry. One for each group/ifp that a PCB 481 * belongs to. 482 */ 483 struct in6_multi_mship { 484 struct in6_multi *i6mm_maddr; /* Multicast address pointer */ 485 LIST_ENTRY(in6_multi_mship) i6mm_chain; /* multicast options chain */ 486 }; 487 488 struct in6_multi { 489 LIST_ENTRY(in6_multi) in6m_entry; /* list glue */ 490 struct in6_addr in6m_addr; /* IP6 multicast address */ 491 struct ifnet *in6m_ifp; /* back pointer to ifnet */ 492 struct in6_ifaddr *in6m_ia; /* back pointer to in6_ifaddr */ 493 u_int in6m_refcount; /* # membership claims by sockets */ 494 u_int in6m_state; /* state of the membership */ 495 u_int in6m_timer; /* MLD6 listener report timer */ 496 }; 497 498 #ifdef _KERNEL 499 500 /* 501 * Structure used by macros below to remember position when stepping through 502 * all of the in6_multi records. 503 */ 504 struct in6_multistep { 505 struct in6_ifaddr *i_ia; 506 struct in6_multi *i_in6m; 507 }; 508 509 /* 510 * Macros for looking up the in6_multi record for a given IP6 multicast 511 * address on a given interface. If no matching record is found, "in6m" 512 * returns NLL. 513 */ 514 515 #define IN6_LOOKUP_MULTI(addr, ifp, in6m) \ 516 /* struct in6_addr addr; */ \ 517 /* struct ifnet *ifp; */ \ 518 /* struct in6_multi *in6m; */ \ 519 do { \ 520 struct in6_ifaddr *ia; \ 521 \ 522 IFP_TO_IA6((ifp), ia); \ 523 if (ia == NULL) \ 524 (in6m) = NULL; \ 525 else \ 526 for ((in6m) = ia->ia6_multiaddrs.lh_first; \ 527 (in6m) != NULL && \ 528 !IN6_ARE_ADDR_EQUAL(&(in6m)->in6m_addr, &(addr)); \ 529 (in6m) = in6m->in6m_entry.le_next) \ 530 continue; \ 531 } while (0) 532 533 /* 534 * Macro to step through all of the in6_multi records, one at a time. 535 * The current position is remembered in "step", which the caller must 536 * provide. IN6_FIRST_MULTI(), below, must be called to initialize "step" 537 * and get the first record. Both macros return a NULL "in6m" when there 538 * are no remaining records. 539 */ 540 #define IN6_NEXT_MULTI(step, in6m) \ 541 /* struct in6_multistep step; */ \ 542 /* struct in6_multi *in6m; */ \ 543 do { \ 544 if (((in6m) = (step).i_in6m) != NULL) \ 545 (step).i_in6m = (in6m)->in6m_entry.le_next; \ 546 else \ 547 while ((step).i_ia != NULL) { \ 548 (in6m) = (step).i_ia->ia6_multiaddrs.lh_first; \ 549 (step).i_ia = (step).i_ia->ia_next; \ 550 if ((in6m) != NULL) { \ 551 (step).i_in6m = (in6m)->in6m_entry.le_next; \ 552 break; \ 553 } \ 554 } \ 555 } while (0) 556 557 #define IN6_FIRST_MULTI(step, in6m) \ 558 /* struct in6_multistep step; */ \ 559 /* struct in6_multi *in6m */ \ 560 do { \ 561 (step).i_ia = in6_ifaddr; \ 562 (step).i_in6m = NULL; \ 563 IN6_NEXT_MULTI((step), (in6m)); \ 564 } while (0) 565 566 struct in6_multi *in6_addmulti __P((struct in6_addr *, struct ifnet *, 567 int *)); 568 void in6_delmulti __P((struct in6_multi *)); 569 struct in6_multi_mship *in6_joingroup __P((struct ifnet *, struct in6_addr *, 570 int *)); 571 int in6_leavegroup __P((struct in6_multi_mship *)); 572 void in6_ifscrub __P((struct ifnet *, struct in6_ifaddr *)); 573 extern int in6_ifindex2scopeid __P((int)); 574 extern int in6_mask2len __P((struct in6_addr *)); 575 extern void in6_len2mask __P((struct in6_addr *, int)); 576 int in6_control __P((struct socket *, 577 u_long, caddr_t, struct ifnet *, struct proc *)); 578 void in6_purgeaddr __P((struct ifaddr *, struct ifnet *)); 579 int in6if_do_dad __P((struct ifnet *)); 580 void in6_purgeif __P((struct ifnet *)); 581 void in6_savemkludge __P((struct in6_ifaddr *)); 582 void in6_setmaxmtu __P((void)); 583 void *in6_domifattach __P((struct ifnet *)); 584 void in6_domifdetach __P((struct ifnet *, void *)); 585 void in6_restoremkludge __P((struct in6_ifaddr *, struct ifnet *)); 586 void in6_createmkludge __P((struct ifnet *)); 587 void in6_purgemkludge __P((struct ifnet *)); 588 struct in6_ifaddr *in6ifa_ifpforlinklocal __P((struct ifnet *, int)); 589 struct in6_ifaddr *in6ifa_ifpwithaddr __P((struct ifnet *, 590 struct in6_addr *)); 591 char *ip6_sprintf __P((const struct in6_addr *)); 592 int in6_addr2scopeid __P((struct ifnet *, struct in6_addr *)); 593 int in6_matchlen __P((struct in6_addr *, struct in6_addr *)); 594 int in6_are_prefix_equal __P((struct in6_addr *p1, struct in6_addr *p2, 595 int len)); 596 void in6_prefixlen2mask __P((struct in6_addr *maskp, int len)); 597 int in6_prefix_ioctl __P((struct socket *so, u_long cmd, caddr_t data, 598 struct ifnet *ifp)); 599 int in6_prefix_add_ifid __P((int iilen, struct in6_ifaddr *ia)); 600 void in6_prefix_remove_ifid __P((int iilen, struct in6_ifaddr *ia)); 601 void in6_purgeprefix __P((struct ifnet *)); 602 603 struct in6pcb; 604 int in6_embedscope __P((struct in6_addr *, const struct sockaddr_in6 *, 605 struct in6pcb *, struct ifnet **)); 606 int in6_recoverscope __P((struct sockaddr_in6 *, const struct in6_addr *, 607 struct ifnet *)); 608 void in6_clearscope __P((struct in6_addr *)); 609 #endif /* _KERNEL */ 610 611 #endif /* _NETINET6_IN6_VAR_H_ */ 612
Indexes created Thu Sep 25 16:09:42 GMT 2025