in6_var.h revision 1.86
1 /* $NetBSD: in6_var.h,v 1.86 2016/09/13 00:45:15 christos 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 #include <sys/callout.h> 68 #include <sys/ioccom.h> 69 70 /* 71 * Interface address, Internet version. One of these structures 72 * is allocated for each interface with an Internet address. 73 * The ifaddr structure contains the protocol-independent part 74 * of the structure and is assumed to be first. 75 */ 76 77 /* 78 * pltime/vltime are just for future reference (required to implements 2 79 * hour rule for hosts). they should never be modified by nd6_timeout or 80 * anywhere else. 81 * userland -> kernel: accept pltime/vltime 82 * kernel -> userland: throw up everything 83 * in kernel: modify preferred/expire only 84 */ 85 struct in6_addrlifetime { 86 time_t ia6t_expire; /* valid lifetime expiration time */ 87 time_t ia6t_preferred; /* preferred lifetime expiration time */ 88 u_int32_t ia6t_vltime; /* valid lifetime */ 89 u_int32_t ia6t_pltime; /* prefix lifetime */ 90 }; 91 92 struct lltable; 93 struct nd_ifinfo; 94 struct in6_ifextra { 95 struct in6_ifstat *in6_ifstat; 96 struct icmp6_ifstat *icmp6_ifstat; 97 struct nd_ifinfo *nd_ifinfo; 98 struct scope6_id *scope6_id; 99 int nprefixes; 100 int ndefrouters; 101 struct lltable *lltable; 102 }; 103 104 LIST_HEAD(in6_multihead, in6_multi); 105 struct in6_ifaddr { 106 struct ifaddr ia_ifa; /* protocol-independent info */ 107 #define ia_ifp ia_ifa.ifa_ifp 108 #define ia_flags ia_ifa.ifa_flags 109 struct sockaddr_in6 ia_addr; /* interface address */ 110 struct sockaddr_in6 ia_net; /* network number of interface */ 111 struct sockaddr_in6 ia_dstaddr; /* space for destination addr */ 112 struct sockaddr_in6 ia_prefixmask; /* prefix mask */ 113 u_int32_t ia_plen; /* prefix length */ 114 /* DEPRECATED. Keep it to avoid breaking kvm(3) users */ 115 struct in6_ifaddr *ia_next; /* next in6 list of IP6 addresses */ 116 struct in6_multihead ia6_multiaddrs; 117 /* list of multicast addresses */ 118 int ia6_flags; 119 120 struct in6_addrlifetime ia6_lifetime; 121 time_t ia6_createtime; /* the creation time of this address, which is 122 * currently used for temporary addresses only. 123 */ 124 time_t ia6_updatetime; 125 126 /* back pointer to the ND prefix (for autoconfigured addresses only) */ 127 struct nd_prefix *ia6_ndpr; 128 129 /* multicast addresses joined from the kernel */ 130 LIST_HEAD(, in6_multi_mship) ia6_memberships; 131 132 #ifdef _KERNEL 133 struct pslist_entry ia6_pslist_entry; 134 #endif 135 }; 136 137 #ifdef _KERNEL 138 static inline void 139 ia6_acquire(struct in6_ifaddr *ia, struct psref *psref) 140 { 141 142 KASSERT(ia != NULL); 143 ifa_acquire(&ia->ia_ifa, psref); 144 } 145 146 static inline void 147 ia6_release(struct in6_ifaddr *ia, struct psref *psref) 148 { 149 150 if (ia == NULL) 151 return; 152 ifa_release(&ia->ia_ifa, psref); 153 } 154 #endif 155 156 /* control structure to manage address selection policy */ 157 struct in6_addrpolicy { 158 struct sockaddr_in6 addr; /* prefix address */ 159 struct sockaddr_in6 addrmask; /* prefix mask */ 160 int preced; /* precedence */ 161 int label; /* matching label */ 162 u_quad_t use; /* statistics */ 163 }; 164 165 /* 166 * IPv6 interface statistics, as defined in RFC2465 Ipv6IfStatsEntry (p12). 167 */ 168 struct in6_ifstat { 169 u_quad_t ifs6_in_receive; /* # of total input datagram */ 170 u_quad_t ifs6_in_hdrerr; /* # of datagrams with invalid hdr */ 171 u_quad_t ifs6_in_toobig; /* # of datagrams exceeded MTU */ 172 u_quad_t ifs6_in_noroute; /* # of datagrams with no route */ 173 u_quad_t ifs6_in_addrerr; /* # of datagrams with invalid dst */ 174 u_quad_t ifs6_in_protounknown; /* # of datagrams with unknown proto */ 175 /* NOTE: increment on final dst if */ 176 u_quad_t ifs6_in_truncated; /* # of truncated datagrams */ 177 u_quad_t ifs6_in_discard; /* # of discarded datagrams */ 178 /* NOTE: fragment timeout is not here */ 179 u_quad_t ifs6_in_deliver; /* # of datagrams delivered to ULP */ 180 /* NOTE: increment on final dst if */ 181 u_quad_t ifs6_out_forward; /* # of datagrams forwarded */ 182 /* NOTE: increment on outgoing if */ 183 u_quad_t ifs6_out_request; /* # of outgoing datagrams from ULP */ 184 /* NOTE: does not include forwrads */ 185 u_quad_t ifs6_out_discard; /* # of discarded datagrams */ 186 u_quad_t ifs6_out_fragok; /* # of datagrams fragmented */ 187 u_quad_t ifs6_out_fragfail; /* # of datagrams failed on fragment */ 188 u_quad_t ifs6_out_fragcreat; /* # of fragment datagrams */ 189 /* NOTE: this is # after fragment */ 190 u_quad_t ifs6_reass_reqd; /* # of incoming fragmented packets */ 191 /* NOTE: increment on final dst if */ 192 u_quad_t ifs6_reass_ok; /* # of reassembled packets */ 193 /* NOTE: this is # after reass */ 194 /* NOTE: increment on final dst if */ 195 u_quad_t ifs6_reass_fail; /* # of reass failures */ 196 /* NOTE: may not be packet count */ 197 /* NOTE: increment on final dst if */ 198 u_quad_t ifs6_in_mcast; /* # of inbound multicast datagrams */ 199 u_quad_t ifs6_out_mcast; /* # of outbound multicast datagrams */ 200 }; 201 202 /* 203 * ICMPv6 interface statistics, as defined in RFC2466 Ipv6IfIcmpEntry. 204 * XXX: I'm not sure if this file is the right place for this structure... 205 */ 206 struct icmp6_ifstat { 207 /* 208 * Input statistics 209 */ 210 /* ipv6IfIcmpInMsgs, total # of input messages */ 211 u_quad_t ifs6_in_msg; 212 /* ipv6IfIcmpInErrors, # of input error messages */ 213 u_quad_t ifs6_in_error; 214 /* ipv6IfIcmpInDestUnreachs, # of input dest unreach errors */ 215 u_quad_t ifs6_in_dstunreach; 216 /* ipv6IfIcmpInAdminProhibs, # of input administratively prohibited errs */ 217 u_quad_t ifs6_in_adminprohib; 218 /* ipv6IfIcmpInTimeExcds, # of input time exceeded errors */ 219 u_quad_t ifs6_in_timeexceed; 220 /* ipv6IfIcmpInParmProblems, # of input parameter problem errors */ 221 u_quad_t ifs6_in_paramprob; 222 /* ipv6IfIcmpInPktTooBigs, # of input packet too big errors */ 223 u_quad_t ifs6_in_pkttoobig; 224 /* ipv6IfIcmpInEchos, # of input echo requests */ 225 u_quad_t ifs6_in_echo; 226 /* ipv6IfIcmpInEchoReplies, # of input echo replies */ 227 u_quad_t ifs6_in_echoreply; 228 /* ipv6IfIcmpInRouterSolicits, # of input router solicitations */ 229 u_quad_t ifs6_in_routersolicit; 230 /* ipv6IfIcmpInRouterAdvertisements, # of input router advertisements */ 231 u_quad_t ifs6_in_routeradvert; 232 /* ipv6IfIcmpInNeighborSolicits, # of input neighbor solicitations */ 233 u_quad_t ifs6_in_neighborsolicit; 234 /* ipv6IfIcmpInNeighborAdvertisements, # of input neighbor advertisements */ 235 u_quad_t ifs6_in_neighboradvert; 236 /* ipv6IfIcmpInRedirects, # of input redirects */ 237 u_quad_t ifs6_in_redirect; 238 /* ipv6IfIcmpInGroupMembQueries, # of input MLD queries */ 239 u_quad_t ifs6_in_mldquery; 240 /* ipv6IfIcmpInGroupMembResponses, # of input MLD reports */ 241 u_quad_t ifs6_in_mldreport; 242 /* ipv6IfIcmpInGroupMembReductions, # of input MLD done */ 243 u_quad_t ifs6_in_mlddone; 244 245 /* 246 * Output statistics. We should solve unresolved routing problem... 247 */ 248 /* ipv6IfIcmpOutMsgs, total # of output messages */ 249 u_quad_t ifs6_out_msg; 250 /* ipv6IfIcmpOutErrors, # of output error messages */ 251 u_quad_t ifs6_out_error; 252 /* ipv6IfIcmpOutDestUnreachs, # of output dest unreach errors */ 253 u_quad_t ifs6_out_dstunreach; 254 /* ipv6IfIcmpOutAdminProhibs, # of output administratively prohibited errs */ 255 u_quad_t ifs6_out_adminprohib; 256 /* ipv6IfIcmpOutTimeExcds, # of output time exceeded errors */ 257 u_quad_t ifs6_out_timeexceed; 258 /* ipv6IfIcmpOutParmProblems, # of output parameter problem errors */ 259 u_quad_t ifs6_out_paramprob; 260 /* ipv6IfIcmpOutPktTooBigs, # of output packet too big errors */ 261 u_quad_t ifs6_out_pkttoobig; 262 /* ipv6IfIcmpOutEchos, # of output echo requests */ 263 u_quad_t ifs6_out_echo; 264 /* ipv6IfIcmpOutEchoReplies, # of output echo replies */ 265 u_quad_t ifs6_out_echoreply; 266 /* ipv6IfIcmpOutRouterSolicits, # of output router solicitations */ 267 u_quad_t ifs6_out_routersolicit; 268 /* ipv6IfIcmpOutRouterAdvertisements, # of output router advertisements */ 269 u_quad_t ifs6_out_routeradvert; 270 /* ipv6IfIcmpOutNeighborSolicits, # of output neighbor solicitations */ 271 u_quad_t ifs6_out_neighborsolicit; 272 /* ipv6IfIcmpOutNeighborAdvertisements, # of output neighbor advertisements */ 273 u_quad_t ifs6_out_neighboradvert; 274 /* ipv6IfIcmpOutRedirects, # of output redirects */ 275 u_quad_t ifs6_out_redirect; 276 /* ipv6IfIcmpOutGroupMembQueries, # of output MLD queries */ 277 u_quad_t ifs6_out_mldquery; 278 /* ipv6IfIcmpOutGroupMembResponses, # of output MLD reports */ 279 u_quad_t ifs6_out_mldreport; 280 /* ipv6IfIcmpOutGroupMembReductions, # of output MLD done */ 281 u_quad_t ifs6_out_mlddone; 282 }; 283 284 /* 285 * If you make changes that change the size of in6_ifreq, 286 * make sure you fix compat/netinet6/in6_var.h 287 */ 288 struct in6_ifreq { 289 char ifr_name[IFNAMSIZ]; 290 union { 291 struct sockaddr_in6 ifru_addr; 292 struct sockaddr_in6 ifru_dstaddr; 293 short ifru_flags; 294 int ifru_flags6; 295 int ifru_metric; 296 void * ifru_data; 297 struct in6_addrlifetime ifru_lifetime; 298 struct in6_ifstat ifru_stat; 299 struct icmp6_ifstat ifru_icmp6stat; 300 } ifr_ifru; 301 }; 302 303 struct in6_aliasreq { 304 char ifra_name[IFNAMSIZ]; 305 struct sockaddr_in6 ifra_addr; 306 struct sockaddr_in6 ifra_dstaddr; 307 struct sockaddr_in6 ifra_prefixmask; 308 int ifra_flags; 309 struct in6_addrlifetime ifra_lifetime; 310 }; 311 312 /* prefix type macro */ 313 #define IN6_PREFIX_ND 1 314 #define IN6_PREFIX_RR 2 315 316 /* 317 * prefix related flags passed between kernel(NDP related part) and 318 * user land command(ifconfig) and daemon(rtadvd). 319 * Note: We originally intended to use prf_ra{} only within in6_prflags{}, but 320 * it was (probably unintentionally) used in nd6.h as well. Since C++ does 321 * not allow such a reference, prf_ra{} was then moved outside. In general, 322 * however, this structure should not be used directly. 323 */ 324 struct prf_ra { 325 u_int32_t onlink : 1; 326 u_int32_t autonomous : 1; 327 u_int32_t router : 1; 328 u_int32_t reserved : 5; 329 }; 330 331 struct in6_prflags { 332 struct prf_ra prf_ra; 333 u_char prf_reserved1; 334 u_short prf_reserved2; 335 /* want to put this on 4byte offset */ 336 struct prf_rr { 337 u_int32_t decrvalid : 1; 338 u_int32_t decrprefd : 1; 339 u_int32_t reserved : 6; 340 } prf_rr; 341 u_char prf_reserved3; 342 u_short prf_reserved4; 343 }; 344 345 struct in6_prefixreq { 346 char ipr_name[IFNAMSIZ]; 347 u_char ipr_origin; 348 u_char ipr_plen; 349 u_int32_t ipr_vltime; 350 u_int32_t ipr_pltime; 351 struct in6_prflags ipr_flags; 352 struct sockaddr_in6 ipr_prefix; 353 }; 354 355 #define PR_ORIG_RA 0 356 #define PR_ORIG_RR 1 357 #define PR_ORIG_STATIC 2 358 #define PR_ORIG_KERNEL 3 359 360 #define ipr_raf_onlink ipr_flags.prf_ra.onlink 361 #define ipr_raf_auto ipr_flags.prf_ra.autonomous 362 363 #define ipr_statef_onlink ipr_flags.prf_state.onlink 364 365 #define ipr_rrf_decrvalid ipr_flags.prf_rr.decrvalid 366 #define ipr_rrf_decrprefd ipr_flags.prf_rr.decrprefd 367 368 struct in6_rrenumreq { 369 char irr_name[IFNAMSIZ]; 370 u_char irr_origin; 371 u_char irr_m_len; /* match len for matchprefix */ 372 u_char irr_m_minlen; /* minlen for matching prefix */ 373 u_char irr_m_maxlen; /* maxlen for matching prefix */ 374 u_char irr_u_uselen; /* uselen for adding prefix */ 375 u_char irr_u_keeplen; /* keeplen from matching prefix */ 376 struct irr_raflagmask { 377 u_int32_t onlink : 1; 378 u_int32_t autonomous : 1; 379 u_int32_t reserved : 6; 380 } irr_raflagmask; 381 u_int32_t irr_vltime; 382 u_int32_t irr_pltime; 383 struct in6_prflags irr_flags; 384 struct sockaddr_in6 irr_matchprefix; 385 struct sockaddr_in6 irr_useprefix; 386 }; 387 388 #define irr_raf_mask_onlink irr_raflagmask.onlink 389 #define irr_raf_mask_auto irr_raflagmask.autonomous 390 #define irr_raf_mask_reserved irr_raflagmask.reserved 391 392 #define irr_raf_onlink irr_flags.prf_ra.onlink 393 #define irr_raf_auto irr_flags.prf_ra.autonomous 394 395 #define irr_statef_onlink irr_flags.prf_state.onlink 396 397 #define irr_rrf irr_flags.prf_rr 398 #define irr_rrf_decrvalid irr_flags.prf_rr.decrvalid 399 #define irr_rrf_decrprefd irr_flags.prf_rr.decrprefd 400 401 /* 402 * Given a pointer to an in6_ifaddr (ifaddr), 403 * return a pointer to the addr as a sockaddr_in6 404 */ 405 #define IA6_IN6(ia) (&((ia)->ia_addr.sin6_addr)) 406 #define IA6_DSTIN6(ia) (&((ia)->ia_dstaddr.sin6_addr)) 407 #define IA6_MASKIN6(ia) (&((ia)->ia_prefixmask.sin6_addr)) 408 #define IA6_SIN6(ia) (&((ia)->ia_addr)) 409 #define IA6_DSTSIN6(ia) (&((ia)->ia_dstaddr)) 410 #define IFA_IN6(x) (&((struct sockaddr_in6 *)((x)->ifa_addr))->sin6_addr) 411 #define IFA_DSTIN6(x) (&((struct sockaddr_in6 *)((x)->ifa_dstaddr))->sin6_addr) 412 413 #ifdef _KERNEL 414 #define IN6_ARE_MASKED_ADDR_EQUAL(d, a, m) ( \ 415 (((d)->s6_addr32[0] ^ (a)->s6_addr32[0]) & (m)->s6_addr32[0]) == 0 && \ 416 (((d)->s6_addr32[1] ^ (a)->s6_addr32[1]) & (m)->s6_addr32[1]) == 0 && \ 417 (((d)->s6_addr32[2] ^ (a)->s6_addr32[2]) & (m)->s6_addr32[2]) == 0 && \ 418 (((d)->s6_addr32[3] ^ (a)->s6_addr32[3]) & (m)->s6_addr32[3]) == 0 ) 419 #endif 420 421 #define SIOCSIFADDR_IN6 _IOW('i', 12, struct in6_ifreq) 422 #define SIOCGIFADDR_IN6 _IOWR('i', 33, struct in6_ifreq) 423 424 #ifdef _KERNEL 425 /* 426 * SIOCSxxx ioctls should be unused (see comments in in6.c), but 427 * we do not shift numbers for binary compatibility. 428 */ 429 #define SIOCSIFDSTADDR_IN6 _IOW('i', 14, struct in6_ifreq) 430 #define SIOCSIFNETMASK_IN6 _IOW('i', 22, struct in6_ifreq) 431 #endif 432 433 #define SIOCGIFDSTADDR_IN6 _IOWR('i', 34, struct in6_ifreq) 434 #define SIOCGIFNETMASK_IN6 _IOWR('i', 37, struct in6_ifreq) 435 436 #define SIOCDIFADDR_IN6 _IOW('i', 25, struct in6_ifreq) 437 /* 26 was OSIOCAIFADDR_IN6 */ 438 439 /* 70 was OSIOCSIFPHYADDR_IN6 */ 440 #define SIOCGIFPSRCADDR_IN6 _IOWR('i', 71, struct in6_ifreq) 441 #define SIOCGIFPDSTADDR_IN6 _IOWR('i', 72, struct in6_ifreq) 442 443 #define SIOCGIFAFLAG_IN6 _IOWR('i', 73, struct in6_ifreq) 444 445 #define SIOCGDRLST_IN6 _IOWR('i', 74, struct in6_drlist) 446 #define SIOCGPRLST_IN6 _IOWR('i', 75, struct in6_oprlist) 447 #ifdef _KERNEL 448 #define OSIOCGIFINFO_IN6 _IOWR('i', 76, struct in6_ondireq) 449 #endif 450 #define SIOCSNDFLUSH_IN6 _IOWR('i', 77, struct in6_ifreq) 451 #define SIOCGNBRINFO_IN6 _IOWR('i', 78, struct in6_nbrinfo) 452 #define SIOCSPFXFLUSH_IN6 _IOWR('i', 79, struct in6_ifreq) 453 #define SIOCSRTRFLUSH_IN6 _IOWR('i', 80, struct in6_ifreq) 454 /* 81 was old SIOCGIFALIFETIME_IN6 */ 455 #if 0 456 /* withdrawn - do not reuse number 82 */ 457 #define SIOCSIFALIFETIME_IN6 _IOWR('i', 82, struct in6_ifreq) 458 #endif 459 #define SIOCGIFSTAT_IN6 _IOWR('i', 83, struct in6_ifreq) 460 #define SIOCGIFSTAT_ICMP6 _IOWR('i', 84, struct in6_ifreq) 461 462 #define SIOCSDEFIFACE_IN6 _IOWR('i', 85, struct in6_ndifreq) 463 #define SIOCGDEFIFACE_IN6 _IOWR('i', 86, struct in6_ndifreq) 464 465 #define SIOCSIFINFO_FLAGS _IOWR('i', 87, struct in6_ndireq) /* XXX */ 466 467 #define SIOCSIFPREFIX_IN6 _IOW('i', 100, struct in6_prefixreq) /* set */ 468 #define SIOCGIFPREFIX_IN6 _IOWR('i', 101, struct in6_prefixreq) /* get */ 469 #define SIOCDIFPREFIX_IN6 _IOW('i', 102, struct in6_prefixreq) /* del */ 470 #define SIOCAIFPREFIX_IN6 _IOW('i', 103, struct in6_rrenumreq) /* add */ 471 #define SIOCCIFPREFIX_IN6 _IOW('i', 104, \ 472 struct in6_rrenumreq) /* change */ 473 #define SIOCSGIFPREFIX_IN6 _IOW('i', 105, \ 474 struct in6_rrenumreq) /* set global */ 475 #define SIOCGIFALIFETIME_IN6 _IOWR('i', 106, struct in6_ifreq) 476 #define SIOCAIFADDR_IN6 _IOW('i', 107, struct in6_aliasreq) 477 #define SIOCGIFINFO_IN6 _IOWR('i', 108, struct in6_ndireq) 478 #define SIOCSIFINFO_IN6 _IOWR('i', 109, struct in6_ndireq) 479 #define SIOCSIFPHYADDR_IN6 _IOW('i', 110, struct in6_aliasreq) 480 481 482 /* XXX: Someone decided to switch to 'u' here for unknown reasons! */ 483 #define SIOCGETSGCNT_IN6 _IOWR('u', 106, \ 484 struct sioc_sg_req6) /* get s,g pkt cnt */ 485 #define SIOCGETMIFCNT_IN6 _IOWR('u', 107, \ 486 struct sioc_mif_req6) /* get pkt cnt per if */ 487 #define SIOCAADDRCTL_POLICY _IOW('u', 108, struct in6_addrpolicy) 488 #define SIOCDADDRCTL_POLICY _IOW('u', 109, struct in6_addrpolicy) 489 490 #define IN6_IFF_ANYCAST 0x01 /* anycast address */ 491 #define IN6_IFF_TENTATIVE 0x02 /* tentative address */ 492 #define IN6_IFF_DUPLICATED 0x04 /* DAD detected duplicate */ 493 #define IN6_IFF_DETACHED 0x08 /* may be detached from the link */ 494 #define IN6_IFF_DEPRECATED 0x10 /* deprecated address */ 495 #define IN6_IFF_NODAD 0x20 /* don't perform DAD on this address 496 * (used only at first SIOC* call) 497 */ 498 #define IN6_IFF_AUTOCONF 0x40 /* autoconfigurable address. */ 499 #define IN6_IFF_TEMPORARY 0x80 /* temporary (anonymous) address. */ 500 501 #define IN6_IFFBITS \ 502 "\020\1ANYCAST\2TENTATIVE\3DUPLICATED\4DETACHED\5DEPRECAGTED\6NODAD" \ 503 "\7AUTOCONF\10TEMPORARY" 504 505 506 /* do not input/output */ 507 #define IN6_IFF_NOTREADY (IN6_IFF_TENTATIVE|IN6_IFF_DUPLICATED) 508 509 #ifdef _KERNEL 510 #define IN6_ARE_SCOPE_CMP(a,b) ((a)-(b)) 511 #define IN6_ARE_SCOPE_EQUAL(a,b) ((a)==(b)) 512 #endif 513 514 #ifdef _KERNEL 515 516 #include <sys/mutex.h> 517 #include <sys/pserialize.h> 518 519 #include <net/pktqueue.h> 520 521 extern pktqueue_t *ip6_pktq; 522 523 MALLOC_DECLARE(M_IP6OPT); 524 525 extern struct pslist_head in6_ifaddr_list; 526 extern kmutex_t in6_ifaddr_lock; 527 528 #define IN6_ADDRLIST_ENTRY_INIT(__ia) \ 529 PSLIST_ENTRY_INIT((__ia), ia6_pslist_entry) 530 #define IN6_ADDRLIST_ENTRY_DESTROY(__ia) \ 531 PSLIST_ENTRY_DESTROY((__ia), ia6_pslist_entry) 532 #define IN6_ADDRLIST_READER_EMPTY() \ 533 (PSLIST_READER_FIRST(&in6_ifaddr_list, struct in6_ifaddr, \ 534 ia6_pslist_entry) == NULL) 535 #define IN6_ADDRLIST_READER_FIRST() \ 536 PSLIST_READER_FIRST(&in6_ifaddr_list, struct in6_ifaddr, \ 537 ia6_pslist_entry) 538 #define IN6_ADDRLIST_READER_NEXT(__ia) \ 539 PSLIST_READER_NEXT((__ia), struct in6_ifaddr, ia6_pslist_entry) 540 #define IN6_ADDRLIST_READER_FOREACH(__ia) \ 541 PSLIST_READER_FOREACH((__ia), &in6_ifaddr_list, \ 542 struct in6_ifaddr, ia6_pslist_entry) 543 #define IN6_ADDRLIST_WRITER_INSERT_HEAD(__ia) \ 544 PSLIST_WRITER_INSERT_HEAD(&in6_ifaddr_list, (__ia), ia6_pslist_entry) 545 #define IN6_ADDRLIST_WRITER_REMOVE(__ia) \ 546 PSLIST_WRITER_REMOVE((__ia), ia6_pslist_entry) 547 #define IN6_ADDRLIST_WRITER_FOREACH(__ia) \ 548 PSLIST_WRITER_FOREACH((__ia), &in6_ifaddr_list, struct in6_ifaddr, \ 549 ia6_pslist_entry) 550 #define IN6_ADDRLIST_WRITER_FIRST() \ 551 PSLIST_WRITER_FIRST(&in6_ifaddr_list, struct in6_ifaddr, \ 552 ia6_pslist_entry) 553 #define IN6_ADDRLIST_WRITER_NEXT(__ia) \ 554 PSLIST_WRITER_NEXT((__ia), struct in6_ifaddr, ia6_pslist_entry) 555 #define IN6_ADDRLIST_WRITER_INSERT_AFTER(__ia, __new) \ 556 PSLIST_WRITER_INSERT_AFTER((__ia), (__new), ia6_pslist_entry) 557 #define IN6_ADDRLIST_WRITER_EMPTY() \ 558 (PSLIST_WRITER_FIRST(&in6_ifaddr_list, struct in6_ifaddr, \ 559 ia6_pslist_entry) == NULL) 560 #define IN6_ADDRLIST_WRITER_INSERT_TAIL(__new) \ 561 do { \ 562 if (IN6_ADDRLIST_WRITER_EMPTY()) { \ 563 IN6_ADDRLIST_WRITER_INSERT_HEAD((__new)); \ 564 } else { \ 565 struct in6_ifaddr *__ia; \ 566 IN6_ADDRLIST_WRITER_FOREACH(__ia) { \ 567 if (IN6_ADDRLIST_WRITER_NEXT(__ia) == NULL) { \ 568 IN6_ADDRLIST_WRITER_INSERT_AFTER(__ia,\ 569 (__new)); \ 570 break; \ 571 } \ 572 } \ 573 } \ 574 } while (0) 575 576 #define in6_ifstat_inc(ifp, tag) \ 577 do { \ 578 if (ifp) \ 579 ((struct in6_ifextra *)((ifp)->if_afdata[AF_INET6]))->in6_ifstat->tag++; \ 580 } while (/*CONSTCOND*/ 0) 581 582 extern const struct in6_addr zeroin6_addr; 583 extern const u_char inet6ctlerrmap[]; 584 extern unsigned long in6_maxmtu; 585 extern bool in6_present; 586 extern callout_t in6_tmpaddrtimer_ch; 587 588 /* 589 * Macro for finding the internet address structure (in6_ifaddr) corresponding 590 * to a given interface (ifnet structure). 591 */ 592 static inline struct in6_ifaddr * 593 in6_get_ia_from_ifp(struct ifnet *ifp) 594 { 595 struct ifaddr *ifa; 596 597 IFADDR_READER_FOREACH(ifa, ifp) { 598 if (ifa->ifa_addr->sa_family == AF_INET6) 599 break; 600 } 601 return (struct in6_ifaddr *)ifa; 602 } 603 604 static inline struct in6_ifaddr * 605 in6_get_ia_from_ifp_psref(struct ifnet *ifp, struct psref *psref) 606 { 607 struct in6_ifaddr *ia; 608 int s; 609 610 s = pserialize_read_enter(); 611 ia = in6_get_ia_from_ifp(ifp); 612 if (ia != NULL) 613 ia6_acquire(ia, psref); 614 pserialize_read_exit(s); 615 616 return ia; 617 } 618 #endif /* _KERNEL */ 619 620 /* 621 * Multi-cast membership entry. One for each group/ifp that a PCB 622 * belongs to. 623 */ 624 struct in6_multi_mship { 625 struct in6_multi *i6mm_maddr; /* Multicast address pointer */ 626 LIST_ENTRY(in6_multi_mship) i6mm_chain; /* multicast options chain */ 627 }; 628 629 struct in6_multi { 630 LIST_ENTRY(in6_multi) in6m_entry; /* list glue */ 631 struct in6_addr in6m_addr; /* IP6 multicast address */ 632 struct ifnet *in6m_ifp; /* back pointer to ifnet */ 633 struct in6_ifaddr *in6m_ia; /* back pointer to in6_ifaddr */ 634 u_int in6m_refcount; /* # membership claims by sockets */ 635 u_int in6m_state; /* state of the membership */ 636 int in6m_timer; /* delay to send the 1st report */ 637 struct timeval in6m_timer_expire; /* when the timer expires */ 638 callout_t in6m_timer_ch; 639 }; 640 641 #define IN6M_TIMER_UNDEF -1 642 643 644 #ifdef _KERNEL 645 /* flags to in6_update_ifa */ 646 #define IN6_IFAUPDATE_DADDELAY 0x1 /* first time to configure an address */ 647 648 /* 649 * Structure used by macros below to remember position when stepping through 650 * all of the in6_multi records. 651 */ 652 struct in6_multistep { 653 struct in6_ifaddr *i_ia; 654 struct in6_multi *i_in6m; 655 }; 656 657 /* 658 * Macros for looking up the in6_multi record for a given IP6 multicast 659 * address on a given interface. If no matching record is found, "in6m" 660 * returns NULL. 661 */ 662 663 static inline struct in6_multi * 664 in6_lookup_multi(struct in6_addr *addr, struct ifnet *ifp) 665 { 666 struct in6_multi *in6m; 667 struct in6_ifaddr *ia; 668 int s; 669 670 s = pserialize_read_enter(); 671 if ((ia = in6_get_ia_from_ifp(ifp)) == NULL) { 672 pserialize_read_exit(s); 673 return NULL; 674 } 675 LIST_FOREACH(in6m, &ia->ia6_multiaddrs, in6m_entry) { 676 if (IN6_ARE_ADDR_EQUAL(&in6m->in6m_addr, addr)) 677 break; 678 } 679 pserialize_read_exit(s); 680 return in6m; 681 } 682 683 #define IN6_LOOKUP_MULTI(__addr, __ifp, __in6m) \ 684 /* struct in6_addr __addr; */ \ 685 /* struct ifnet *__ifp; */ \ 686 /* struct in6_multi *__in6m; */ \ 687 do { \ 688 (__in6m) = in6_lookup_multi(&(__addr), (__ifp)); \ 689 } while (/*CONSTCOND*/ 0) 690 691 /* 692 * Macro to step through all of the in6_multi records, one at a time. 693 * The current position is remembered in "step", which the caller must 694 * provide. IN6_FIRST_MULTI(), below, must be called to initialize "step" 695 * and get the first record. Both macros return a NULL "in6m" when there 696 * are no remaining records. 697 */ 698 static inline struct in6_multi * 699 in6_next_multi(struct in6_multistep *step) 700 { 701 struct in6_multi *in6m; 702 703 if ((in6m = step->i_in6m) != NULL) { 704 step->i_in6m = LIST_NEXT(in6m, in6m_entry); 705 return in6m; 706 } 707 while (step->i_ia != NULL) { 708 in6m = LIST_FIRST(&step->i_ia->ia6_multiaddrs); 709 /* FIXME NOMPSAFE */ 710 step->i_ia = IN6_ADDRLIST_READER_NEXT(step->i_ia); 711 if (in6m != NULL) { 712 step->i_in6m = LIST_NEXT(in6m, in6m_entry); 713 break; 714 } 715 } 716 return in6m; 717 } 718 719 static inline struct in6_multi * 720 in6_first_multi(struct in6_multistep *step) 721 { 722 723 /* FIXME NOMPSAFE */ 724 step->i_ia = IN6_ADDRLIST_READER_FIRST(); 725 step->i_in6m = NULL; 726 return in6_next_multi(step); 727 } 728 729 #define IN6_NEXT_MULTI(__step, __in6m) \ 730 /* struct in6_multistep __step; */ \ 731 /* struct in6_multi *__in6m; */ \ 732 do { \ 733 (__in6m) = in6_next_multi(&(__step)); \ 734 } while (/*CONSTCOND*/ 0) 735 736 #define IN6_FIRST_MULTI(__step, __in6m) \ 737 /* struct in6_multistep __step; */ \ 738 /* struct in6_multi *__in6m */ \ 739 do { \ 740 (__in6m) = in6_first_multi(&(__step)); \ 741 } while (/*CONSTCOND*/ 0) 742 743 744 #if 0 745 /* 746 * Macros for looking up the in6_multi_mship record for a given IP6 multicast 747 * address on a given interface. If no matching record is found, "imm" 748 * returns NULL. 749 */ 750 static inline struct in6_multi_mship * 751 in6_lookup_mship(struct in6_addr *addr, struct ifnet *ifp, 752 struct ip6_moptions *imop) 753 { 754 struct in6_multi_mship *imm; 755 756 LIST_FOREACH(imm, &imop->im6o_memberships, i6mm_chain) { 757 if (imm->i6mm_maddr->in6m_ifp != ifp) 758 continue; 759 if (IN6_ARE_ADDR_EQUAL(&imm->i6mm_maddr->in6m_addr, 760 addr)) 761 break; 762 } 763 return imm; 764 } 765 766 #define IN6_LOOKUP_MSHIP(__addr, __ifp, __imop, __imm) \ 767 /* struct in6_addr __addr; */ \ 768 /* struct ifnet *__ifp; */ \ 769 /* struct ip6_moptions *__imop */ \ 770 /* struct in6_multi_mship *__imm; */ \ 771 do { \ 772 (__imm) = in6_lookup_mship(&(__addr), (__ifp), (__imop)); \ 773 } while (/*CONSTCOND*/ 0) 774 #endif 775 776 void in6_init(void); 777 778 struct in6_multi *in6_addmulti(struct in6_addr *, struct ifnet *, 779 int *, int); 780 void in6_delmulti(struct in6_multi *); 781 struct in6_multi_mship *in6_joingroup(struct ifnet *, struct in6_addr *, 782 int *, int); 783 int in6_leavegroup(struct in6_multi_mship *); 784 int in6_mask2len(struct in6_addr *, u_char *); 785 int in6_control(struct socket *, u_long, void *, struct ifnet *); 786 int in6_update_ifa(struct ifnet *, struct in6_aliasreq *, 787 struct in6_ifaddr *, int); 788 void in6_purgeaddr(struct ifaddr *); 789 void in6_purgeif(struct ifnet *); 790 void in6_savemkludge(struct in6_ifaddr *); 791 void in6_setmaxmtu (void); 792 int in6_if2idlen (struct ifnet *); 793 void *in6_domifattach(struct ifnet *); 794 void in6_domifdetach(struct ifnet *, void *); 795 void in6_restoremkludge(struct in6_ifaddr *, struct ifnet *); 796 void in6_ifremlocal(struct ifaddr *); 797 void in6_ifaddlocal(struct ifaddr *); 798 void in6_createmkludge(struct ifnet *); 799 void in6_purgemkludge(struct ifnet *); 800 struct in6_ifaddr * 801 in6ifa_ifpforlinklocal(const struct ifnet *, int); 802 struct in6_ifaddr * 803 in6ifa_ifpforlinklocal_psref(const struct ifnet *, int, struct psref *); 804 struct in6_ifaddr * 805 in6ifa_ifpwithaddr(const struct ifnet *, const struct in6_addr *); 806 struct in6_ifaddr * 807 in6ifa_ifpwithaddr_psref(const struct ifnet *, const struct in6_addr *, 808 struct psref *); 809 struct in6_ifaddr *in6ifa_ifwithaddr(const struct in6_addr *, uint32_t); 810 char *ip6_sprintf(const struct in6_addr *); 811 int in6_matchlen(struct in6_addr *, struct in6_addr *); 812 int in6_are_prefix_equal(struct in6_addr *, struct in6_addr *, int); 813 void in6_prefixlen2mask(struct in6_addr *, int); 814 void in6_purgeprefix(struct ifnet *); 815 816 int ip6flow_fastforward(struct mbuf **); /* IPv6 fast forward routine */ 817 818 int in6_src_ioctl(u_long, void *); 819 int in6_is_addr_deprecated(struct sockaddr_in6 *); 820 struct in6pcb; 821 822 #define LLTABLE6(ifp) (((struct in6_ifextra *)(ifp)->if_afdata[AF_INET6])->lltable) 823 824 #endif /* _KERNEL */ 825 826 #endif /* !_NETINET6_IN6_VAR_H_ */ 827
Indexes created Sun Sep 28 16:09:52 GMT 2025