in6_var.h revision 1.78
1 /* $NetBSD: in6_var.h,v 1.78 2016/07/04 06:48:14 ozaki-r 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 struct pslist_entry ia6_pslist_entry; 133 }; 134 135 /* control structure to manage address selection policy */ 136 struct in6_addrpolicy { 137 struct sockaddr_in6 addr; /* prefix address */ 138 struct sockaddr_in6 addrmask; /* prefix mask */ 139 int preced; /* precedence */ 140 int label; /* matching label */ 141 u_quad_t use; /* statistics */ 142 }; 143 144 /* 145 * IPv6 interface statistics, as defined in RFC2465 Ipv6IfStatsEntry (p12). 146 */ 147 struct in6_ifstat { 148 u_quad_t ifs6_in_receive; /* # of total input datagram */ 149 u_quad_t ifs6_in_hdrerr; /* # of datagrams with invalid hdr */ 150 u_quad_t ifs6_in_toobig; /* # of datagrams exceeded MTU */ 151 u_quad_t ifs6_in_noroute; /* # of datagrams with no route */ 152 u_quad_t ifs6_in_addrerr; /* # of datagrams with invalid dst */ 153 u_quad_t ifs6_in_protounknown; /* # of datagrams with unknown proto */ 154 /* NOTE: increment on final dst if */ 155 u_quad_t ifs6_in_truncated; /* # of truncated datagrams */ 156 u_quad_t ifs6_in_discard; /* # of discarded datagrams */ 157 /* NOTE: fragment timeout is not here */ 158 u_quad_t ifs6_in_deliver; /* # of datagrams delivered to ULP */ 159 /* NOTE: increment on final dst if */ 160 u_quad_t ifs6_out_forward; /* # of datagrams forwarded */ 161 /* NOTE: increment on outgoing if */ 162 u_quad_t ifs6_out_request; /* # of outgoing datagrams from ULP */ 163 /* NOTE: does not include forwrads */ 164 u_quad_t ifs6_out_discard; /* # of discarded datagrams */ 165 u_quad_t ifs6_out_fragok; /* # of datagrams fragmented */ 166 u_quad_t ifs6_out_fragfail; /* # of datagrams failed on fragment */ 167 u_quad_t ifs6_out_fragcreat; /* # of fragment datagrams */ 168 /* NOTE: this is # after fragment */ 169 u_quad_t ifs6_reass_reqd; /* # of incoming fragmented packets */ 170 /* NOTE: increment on final dst if */ 171 u_quad_t ifs6_reass_ok; /* # of reassembled packets */ 172 /* NOTE: this is # after reass */ 173 /* NOTE: increment on final dst if */ 174 u_quad_t ifs6_reass_fail; /* # of reass failures */ 175 /* NOTE: may not be packet count */ 176 /* NOTE: increment on final dst if */ 177 u_quad_t ifs6_in_mcast; /* # of inbound multicast datagrams */ 178 u_quad_t ifs6_out_mcast; /* # of outbound multicast datagrams */ 179 }; 180 181 /* 182 * ICMPv6 interface statistics, as defined in RFC2466 Ipv6IfIcmpEntry. 183 * XXX: I'm not sure if this file is the right place for this structure... 184 */ 185 struct icmp6_ifstat { 186 /* 187 * Input statistics 188 */ 189 /* ipv6IfIcmpInMsgs, total # of input messages */ 190 u_quad_t ifs6_in_msg; 191 /* ipv6IfIcmpInErrors, # of input error messages */ 192 u_quad_t ifs6_in_error; 193 /* ipv6IfIcmpInDestUnreachs, # of input dest unreach errors */ 194 u_quad_t ifs6_in_dstunreach; 195 /* ipv6IfIcmpInAdminProhibs, # of input administratively prohibited errs */ 196 u_quad_t ifs6_in_adminprohib; 197 /* ipv6IfIcmpInTimeExcds, # of input time exceeded errors */ 198 u_quad_t ifs6_in_timeexceed; 199 /* ipv6IfIcmpInParmProblems, # of input parameter problem errors */ 200 u_quad_t ifs6_in_paramprob; 201 /* ipv6IfIcmpInPktTooBigs, # of input packet too big errors */ 202 u_quad_t ifs6_in_pkttoobig; 203 /* ipv6IfIcmpInEchos, # of input echo requests */ 204 u_quad_t ifs6_in_echo; 205 /* ipv6IfIcmpInEchoReplies, # of input echo replies */ 206 u_quad_t ifs6_in_echoreply; 207 /* ipv6IfIcmpInRouterSolicits, # of input router solicitations */ 208 u_quad_t ifs6_in_routersolicit; 209 /* ipv6IfIcmpInRouterAdvertisements, # of input router advertisements */ 210 u_quad_t ifs6_in_routeradvert; 211 /* ipv6IfIcmpInNeighborSolicits, # of input neighbor solicitations */ 212 u_quad_t ifs6_in_neighborsolicit; 213 /* ipv6IfIcmpInNeighborAdvertisements, # of input neighbor advertisements */ 214 u_quad_t ifs6_in_neighboradvert; 215 /* ipv6IfIcmpInRedirects, # of input redirects */ 216 u_quad_t ifs6_in_redirect; 217 /* ipv6IfIcmpInGroupMembQueries, # of input MLD queries */ 218 u_quad_t ifs6_in_mldquery; 219 /* ipv6IfIcmpInGroupMembResponses, # of input MLD reports */ 220 u_quad_t ifs6_in_mldreport; 221 /* ipv6IfIcmpInGroupMembReductions, # of input MLD done */ 222 u_quad_t ifs6_in_mlddone; 223 224 /* 225 * Output statistics. We should solve unresolved routing problem... 226 */ 227 /* ipv6IfIcmpOutMsgs, total # of output messages */ 228 u_quad_t ifs6_out_msg; 229 /* ipv6IfIcmpOutErrors, # of output error messages */ 230 u_quad_t ifs6_out_error; 231 /* ipv6IfIcmpOutDestUnreachs, # of output dest unreach errors */ 232 u_quad_t ifs6_out_dstunreach; 233 /* ipv6IfIcmpOutAdminProhibs, # of output administratively prohibited errs */ 234 u_quad_t ifs6_out_adminprohib; 235 /* ipv6IfIcmpOutTimeExcds, # of output time exceeded errors */ 236 u_quad_t ifs6_out_timeexceed; 237 /* ipv6IfIcmpOutParmProblems, # of output parameter problem errors */ 238 u_quad_t ifs6_out_paramprob; 239 /* ipv6IfIcmpOutPktTooBigs, # of output packet too big errors */ 240 u_quad_t ifs6_out_pkttoobig; 241 /* ipv6IfIcmpOutEchos, # of output echo requests */ 242 u_quad_t ifs6_out_echo; 243 /* ipv6IfIcmpOutEchoReplies, # of output echo replies */ 244 u_quad_t ifs6_out_echoreply; 245 /* ipv6IfIcmpOutRouterSolicits, # of output router solicitations */ 246 u_quad_t ifs6_out_routersolicit; 247 /* ipv6IfIcmpOutRouterAdvertisements, # of output router advertisements */ 248 u_quad_t ifs6_out_routeradvert; 249 /* ipv6IfIcmpOutNeighborSolicits, # of output neighbor solicitations */ 250 u_quad_t ifs6_out_neighborsolicit; 251 /* ipv6IfIcmpOutNeighborAdvertisements, # of output neighbor advertisements */ 252 u_quad_t ifs6_out_neighboradvert; 253 /* ipv6IfIcmpOutRedirects, # of output redirects */ 254 u_quad_t ifs6_out_redirect; 255 /* ipv6IfIcmpOutGroupMembQueries, # of output MLD queries */ 256 u_quad_t ifs6_out_mldquery; 257 /* ipv6IfIcmpOutGroupMembResponses, # of output MLD reports */ 258 u_quad_t ifs6_out_mldreport; 259 /* ipv6IfIcmpOutGroupMembReductions, # of output MLD done */ 260 u_quad_t ifs6_out_mlddone; 261 }; 262 263 /* 264 * If you make changes that change the size of in6_ifreq, 265 * make sure you fix compat/netinet6/in6_var.h 266 */ 267 struct in6_ifreq { 268 char ifr_name[IFNAMSIZ]; 269 union { 270 struct sockaddr_in6 ifru_addr; 271 struct sockaddr_in6 ifru_dstaddr; 272 short ifru_flags; 273 int ifru_flags6; 274 int ifru_metric; 275 void * ifru_data; 276 struct in6_addrlifetime ifru_lifetime; 277 struct in6_ifstat ifru_stat; 278 struct icmp6_ifstat ifru_icmp6stat; 279 } ifr_ifru; 280 }; 281 282 struct in6_aliasreq { 283 char ifra_name[IFNAMSIZ]; 284 struct sockaddr_in6 ifra_addr; 285 struct sockaddr_in6 ifra_dstaddr; 286 struct sockaddr_in6 ifra_prefixmask; 287 int ifra_flags; 288 struct in6_addrlifetime ifra_lifetime; 289 }; 290 291 /* prefix type macro */ 292 #define IN6_PREFIX_ND 1 293 #define IN6_PREFIX_RR 2 294 295 /* 296 * prefix related flags passed between kernel(NDP related part) and 297 * user land command(ifconfig) and daemon(rtadvd). 298 * Note: We originally intended to use prf_ra{} only within in6_prflags{}, but 299 * it was (probably unintentionally) used in nd6.h as well. Since C++ does 300 * not allow such a reference, prf_ra{} was then moved outside. In general, 301 * however, this structure should not be used directly. 302 */ 303 struct prf_ra { 304 u_int32_t onlink : 1; 305 u_int32_t autonomous : 1; 306 u_int32_t router : 1; 307 u_int32_t reserved : 5; 308 }; 309 310 struct in6_prflags { 311 struct prf_ra prf_ra; 312 u_char prf_reserved1; 313 u_short prf_reserved2; 314 /* want to put this on 4byte offset */ 315 struct prf_rr { 316 u_int32_t decrvalid : 1; 317 u_int32_t decrprefd : 1; 318 u_int32_t reserved : 6; 319 } prf_rr; 320 u_char prf_reserved3; 321 u_short prf_reserved4; 322 }; 323 324 struct in6_prefixreq { 325 char ipr_name[IFNAMSIZ]; 326 u_char ipr_origin; 327 u_char ipr_plen; 328 u_int32_t ipr_vltime; 329 u_int32_t ipr_pltime; 330 struct in6_prflags ipr_flags; 331 struct sockaddr_in6 ipr_prefix; 332 }; 333 334 #define PR_ORIG_RA 0 335 #define PR_ORIG_RR 1 336 #define PR_ORIG_STATIC 2 337 #define PR_ORIG_KERNEL 3 338 339 #define ipr_raf_onlink ipr_flags.prf_ra.onlink 340 #define ipr_raf_auto ipr_flags.prf_ra.autonomous 341 342 #define ipr_statef_onlink ipr_flags.prf_state.onlink 343 344 #define ipr_rrf_decrvalid ipr_flags.prf_rr.decrvalid 345 #define ipr_rrf_decrprefd ipr_flags.prf_rr.decrprefd 346 347 struct in6_rrenumreq { 348 char irr_name[IFNAMSIZ]; 349 u_char irr_origin; 350 u_char irr_m_len; /* match len for matchprefix */ 351 u_char irr_m_minlen; /* minlen for matching prefix */ 352 u_char irr_m_maxlen; /* maxlen for matching prefix */ 353 u_char irr_u_uselen; /* uselen for adding prefix */ 354 u_char irr_u_keeplen; /* keeplen from matching prefix */ 355 struct irr_raflagmask { 356 u_int32_t onlink : 1; 357 u_int32_t autonomous : 1; 358 u_int32_t reserved : 6; 359 } irr_raflagmask; 360 u_int32_t irr_vltime; 361 u_int32_t irr_pltime; 362 struct in6_prflags irr_flags; 363 struct sockaddr_in6 irr_matchprefix; 364 struct sockaddr_in6 irr_useprefix; 365 }; 366 367 #define irr_raf_mask_onlink irr_raflagmask.onlink 368 #define irr_raf_mask_auto irr_raflagmask.autonomous 369 #define irr_raf_mask_reserved irr_raflagmask.reserved 370 371 #define irr_raf_onlink irr_flags.prf_ra.onlink 372 #define irr_raf_auto irr_flags.prf_ra.autonomous 373 374 #define irr_statef_onlink irr_flags.prf_state.onlink 375 376 #define irr_rrf irr_flags.prf_rr 377 #define irr_rrf_decrvalid irr_flags.prf_rr.decrvalid 378 #define irr_rrf_decrprefd irr_flags.prf_rr.decrprefd 379 380 /* 381 * Given a pointer to an in6_ifaddr (ifaddr), 382 * return a pointer to the addr as a sockaddr_in6 383 */ 384 #define IA6_IN6(ia) (&((ia)->ia_addr.sin6_addr)) 385 #define IA6_DSTIN6(ia) (&((ia)->ia_dstaddr.sin6_addr)) 386 #define IA6_MASKIN6(ia) (&((ia)->ia_prefixmask.sin6_addr)) 387 #define IA6_SIN6(ia) (&((ia)->ia_addr)) 388 #define IA6_DSTSIN6(ia) (&((ia)->ia_dstaddr)) 389 #define IFA_IN6(x) (&((struct sockaddr_in6 *)((x)->ifa_addr))->sin6_addr) 390 #define IFA_DSTIN6(x) (&((struct sockaddr_in6 *)((x)->ifa_dstaddr))->sin6_addr) 391 392 #ifdef _KERNEL 393 #define IN6_ARE_MASKED_ADDR_EQUAL(d, a, m) ( \ 394 (((d)->s6_addr32[0] ^ (a)->s6_addr32[0]) & (m)->s6_addr32[0]) == 0 && \ 395 (((d)->s6_addr32[1] ^ (a)->s6_addr32[1]) & (m)->s6_addr32[1]) == 0 && \ 396 (((d)->s6_addr32[2] ^ (a)->s6_addr32[2]) & (m)->s6_addr32[2]) == 0 && \ 397 (((d)->s6_addr32[3] ^ (a)->s6_addr32[3]) & (m)->s6_addr32[3]) == 0 ) 398 #endif 399 400 #define SIOCSIFADDR_IN6 _IOW('i', 12, struct in6_ifreq) 401 #define SIOCGIFADDR_IN6 _IOWR('i', 33, struct in6_ifreq) 402 403 #ifdef _KERNEL 404 /* 405 * SIOCSxxx ioctls should be unused (see comments in in6.c), but 406 * we do not shift numbers for binary compatibility. 407 */ 408 #define SIOCSIFDSTADDR_IN6 _IOW('i', 14, struct in6_ifreq) 409 #define SIOCSIFNETMASK_IN6 _IOW('i', 22, struct in6_ifreq) 410 #endif 411 412 #define SIOCGIFDSTADDR_IN6 _IOWR('i', 34, struct in6_ifreq) 413 #define SIOCGIFNETMASK_IN6 _IOWR('i', 37, struct in6_ifreq) 414 415 #define SIOCDIFADDR_IN6 _IOW('i', 25, struct in6_ifreq) 416 /* 26 was OSIOCAIFADDR_IN6 */ 417 418 /* 70 was OSIOCSIFPHYADDR_IN6 */ 419 #define SIOCGIFPSRCADDR_IN6 _IOWR('i', 71, struct in6_ifreq) 420 #define SIOCGIFPDSTADDR_IN6 _IOWR('i', 72, struct in6_ifreq) 421 422 #define SIOCGIFAFLAG_IN6 _IOWR('i', 73, struct in6_ifreq) 423 424 #define SIOCGDRLST_IN6 _IOWR('i', 74, struct in6_drlist) 425 #define SIOCGPRLST_IN6 _IOWR('i', 75, struct in6_oprlist) 426 #ifdef _KERNEL 427 #define OSIOCGIFINFO_IN6 _IOWR('i', 76, struct in6_ondireq) 428 #endif 429 #define SIOCSNDFLUSH_IN6 _IOWR('i', 77, struct in6_ifreq) 430 #define SIOCGNBRINFO_IN6 _IOWR('i', 78, struct in6_nbrinfo) 431 #define SIOCSPFXFLUSH_IN6 _IOWR('i', 79, struct in6_ifreq) 432 #define SIOCSRTRFLUSH_IN6 _IOWR('i', 80, struct in6_ifreq) 433 /* 81 was old SIOCGIFALIFETIME_IN6 */ 434 #if 0 435 /* withdrawn - do not reuse number 82 */ 436 #define SIOCSIFALIFETIME_IN6 _IOWR('i', 82, struct in6_ifreq) 437 #endif 438 #define SIOCGIFSTAT_IN6 _IOWR('i', 83, struct in6_ifreq) 439 #define SIOCGIFSTAT_ICMP6 _IOWR('i', 84, struct in6_ifreq) 440 441 #define SIOCSDEFIFACE_IN6 _IOWR('i', 85, struct in6_ndifreq) 442 #define SIOCGDEFIFACE_IN6 _IOWR('i', 86, struct in6_ndifreq) 443 444 #define SIOCSIFINFO_FLAGS _IOWR('i', 87, struct in6_ndireq) /* XXX */ 445 446 #define SIOCSIFPREFIX_IN6 _IOW('i', 100, struct in6_prefixreq) /* set */ 447 #define SIOCGIFPREFIX_IN6 _IOWR('i', 101, struct in6_prefixreq) /* get */ 448 #define SIOCDIFPREFIX_IN6 _IOW('i', 102, struct in6_prefixreq) /* del */ 449 #define SIOCAIFPREFIX_IN6 _IOW('i', 103, struct in6_rrenumreq) /* add */ 450 #define SIOCCIFPREFIX_IN6 _IOW('i', 104, \ 451 struct in6_rrenumreq) /* change */ 452 #define SIOCSGIFPREFIX_IN6 _IOW('i', 105, \ 453 struct in6_rrenumreq) /* set global */ 454 #define SIOCGIFALIFETIME_IN6 _IOWR('i', 106, struct in6_ifreq) 455 #define SIOCAIFADDR_IN6 _IOW('i', 107, struct in6_aliasreq) 456 #define SIOCGIFINFO_IN6 _IOWR('i', 108, struct in6_ndireq) 457 #define SIOCSIFINFO_IN6 _IOWR('i', 109, struct in6_ndireq) 458 #define SIOCSIFPHYADDR_IN6 _IOW('i', 110, struct in6_aliasreq) 459 460 461 /* XXX: Someone decided to switch to 'u' here for unknown reasons! */ 462 #define SIOCGETSGCNT_IN6 _IOWR('u', 106, \ 463 struct sioc_sg_req6) /* get s,g pkt cnt */ 464 #define SIOCGETMIFCNT_IN6 _IOWR('u', 107, \ 465 struct sioc_mif_req6) /* get pkt cnt per if */ 466 #define SIOCAADDRCTL_POLICY _IOW('u', 108, struct in6_addrpolicy) 467 #define SIOCDADDRCTL_POLICY _IOW('u', 109, struct in6_addrpolicy) 468 469 #define IN6_IFF_ANYCAST 0x01 /* anycast address */ 470 #define IN6_IFF_TENTATIVE 0x02 /* tentative address */ 471 #define IN6_IFF_DUPLICATED 0x04 /* DAD detected duplicate */ 472 #define IN6_IFF_DETACHED 0x08 /* may be detached from the link */ 473 #define IN6_IFF_DEPRECATED 0x10 /* deprecated address */ 474 #define IN6_IFF_NODAD 0x20 /* don't perform DAD on this address 475 * (used only at first SIOC* call) 476 */ 477 #define IN6_IFF_AUTOCONF 0x40 /* autoconfigurable address. */ 478 #define IN6_IFF_TEMPORARY 0x80 /* temporary (anonymous) address. */ 479 480 /* do not input/output */ 481 #define IN6_IFF_NOTREADY (IN6_IFF_TENTATIVE|IN6_IFF_DUPLICATED) 482 483 #ifdef _KERNEL 484 #define IN6_ARE_SCOPE_CMP(a,b) ((a)-(b)) 485 #define IN6_ARE_SCOPE_EQUAL(a,b) ((a)==(b)) 486 #endif 487 488 #ifdef _KERNEL 489 490 #include <net/pktqueue.h> 491 492 extern pktqueue_t *ip6_pktq; 493 494 MALLOC_DECLARE(M_IP6OPT); 495 496 extern struct pslist_head in6_ifaddr_list; 497 498 #define IN6_ADDRLIST_ENTRY_INIT(__ia) \ 499 PSLIST_ENTRY_INIT((__ia), ia6_pslist_entry) 500 #define IN6_ADDRLIST_READER_EMPTY() \ 501 (PSLIST_READER_FIRST(&in6_ifaddr_list, struct in6_ifaddr, \ 502 ia6_pslist_entry) == NULL) 503 #define IN6_ADDRLIST_READER_FIRST() \ 504 PSLIST_READER_FIRST(&in6_ifaddr_list, struct in6_ifaddr, \ 505 ia6_pslist_entry) 506 #define IN6_ADDRLIST_READER_NEXT(__ia) \ 507 PSLIST_READER_NEXT((__ia), struct in6_ifaddr, ia6_pslist_entry) 508 #define IN6_ADDRLIST_READER_FOREACH(__ia) \ 509 PSLIST_READER_FOREACH((__ia), &in6_ifaddr_list, \ 510 struct in6_ifaddr, ia6_pslist_entry) 511 #define IN6_ADDRLIST_WRITER_INSERT_HEAD(__ia) \ 512 PSLIST_WRITER_INSERT_HEAD(&in6_ifaddr_list, (__ia), ia6_pslist_entry) 513 #define IN6_ADDRLIST_WRITER_REMOVE(__ia) \ 514 PSLIST_WRITER_REMOVE((__ia), ia6_pslist_entry) 515 #define IN6_ADDRLIST_WRITER_FOREACH(__ia) \ 516 PSLIST_WRITER_FOREACH((__ia), &in6_ifaddr_list, struct in6_ifaddr, \ 517 ia6_pslist_entry) 518 #define IN6_ADDRLIST_WRITER_FIRST() \ 519 PSLIST_WRITER_FIRST(&in6_ifaddr_list, struct in6_ifaddr, \ 520 ia6_pslist_entry) 521 #define IN6_ADDRLIST_WRITER_NEXT(__ia) \ 522 PSLIST_WRITER_NEXT((__ia), struct in6_ifaddr, ia6_pslist_entry) 523 #define IN6_ADDRLIST_WRITER_INSERT_AFTER(__ia, __new) \ 524 PSLIST_WRITER_INSERT_AFTER((__ia), (__new), ia6_pslist_entry) 525 #define IN6_ADDRLIST_WRITER_EMPTY() \ 526 (PSLIST_WRITER_FIRST(&in6_ifaddr_list, struct in6_ifaddr, \ 527 ia6_pslist_entry) == NULL) 528 #define IN6_ADDRLIST_WRITER_INSERT_TAIL(__new) \ 529 do { \ 530 if (IN6_ADDRLIST_WRITER_EMPTY()) { \ 531 IN6_ADDRLIST_WRITER_INSERT_HEAD((__new)); \ 532 } else { \ 533 struct in6_ifaddr *__ia; \ 534 IN6_ADDRLIST_WRITER_FOREACH(__ia) { \ 535 if (IN6_ADDRLIST_WRITER_NEXT(__ia) == NULL) { \ 536 IN6_ADDRLIST_WRITER_INSERT_AFTER(__ia,\ 537 (__new)); \ 538 break; \ 539 } \ 540 } \ 541 } \ 542 } while (0) 543 544 #define in6_ifstat_inc(ifp, tag) \ 545 do { \ 546 if (ifp) \ 547 ((struct in6_ifextra *)((ifp)->if_afdata[AF_INET6]))->in6_ifstat->tag++; \ 548 } while (/*CONSTCOND*/ 0) 549 550 extern const struct in6_addr zeroin6_addr; 551 extern const u_char inet6ctlerrmap[]; 552 extern unsigned long in6_maxmtu; 553 extern bool in6_present; 554 extern callout_t in6_tmpaddrtimer_ch; 555 556 /* 557 * Macro for finding the internet address structure (in6_ifaddr) corresponding 558 * to a given interface (ifnet structure). 559 */ 560 static inline struct in6_ifaddr * 561 ifp_to_ia6(struct ifnet *ifp) 562 { 563 struct ifaddr *ifa; 564 565 IFADDR_FOREACH(ifa, ifp) { 566 if (ifa->ifa_addr->sa_family == AF_INET6) 567 break; 568 } 569 return (struct in6_ifaddr *)ifa; 570 } 571 572 #define IFP_TO_IA6(__ifp, __ia) \ 573 do { \ 574 (__ia) = ifp_to_ia6((__ifp)); \ 575 } while (/*CONSTCOND*/0) 576 577 578 #endif /* _KERNEL */ 579 580 /* 581 * Multi-cast membership entry. One for each group/ifp that a PCB 582 * belongs to. 583 */ 584 struct in6_multi_mship { 585 struct in6_multi *i6mm_maddr; /* Multicast address pointer */ 586 LIST_ENTRY(in6_multi_mship) i6mm_chain; /* multicast options chain */ 587 }; 588 589 struct in6_multi { 590 LIST_ENTRY(in6_multi) in6m_entry; /* list glue */ 591 struct in6_addr in6m_addr; /* IP6 multicast address */ 592 struct ifnet *in6m_ifp; /* back pointer to ifnet */ 593 struct in6_ifaddr *in6m_ia; /* back pointer to in6_ifaddr */ 594 u_int in6m_refcount; /* # membership claims by sockets */ 595 u_int in6m_state; /* state of the membership */ 596 int in6m_timer; /* delay to send the 1st report */ 597 struct timeval in6m_timer_expire; /* when the timer expires */ 598 callout_t in6m_timer_ch; 599 }; 600 601 #define IN6M_TIMER_UNDEF -1 602 603 604 #ifdef _KERNEL 605 /* flags to in6_update_ifa */ 606 #define IN6_IFAUPDATE_DADDELAY 0x1 /* first time to configure an address */ 607 608 /* 609 * Structure used by macros below to remember position when stepping through 610 * all of the in6_multi records. 611 */ 612 struct in6_multistep { 613 struct in6_ifaddr *i_ia; 614 struct in6_multi *i_in6m; 615 }; 616 617 /* 618 * Macros for looking up the in6_multi record for a given IP6 multicast 619 * address on a given interface. If no matching record is found, "in6m" 620 * returns NULL. 621 */ 622 623 static inline struct in6_multi * 624 in6_lookup_multi(struct in6_addr *addr, struct ifnet *ifp) 625 { 626 struct in6_multi *in6m; 627 struct in6_ifaddr *ia; 628 629 if ((ia = ifp_to_ia6(ifp)) == NULL) 630 return NULL; 631 LIST_FOREACH(in6m, &ia->ia6_multiaddrs, in6m_entry) { 632 if (IN6_ARE_ADDR_EQUAL(&in6m->in6m_addr, addr)) 633 break; 634 } 635 return in6m; 636 } 637 638 #define IN6_LOOKUP_MULTI(__addr, __ifp, __in6m) \ 639 /* struct in6_addr __addr; */ \ 640 /* struct ifnet *__ifp; */ \ 641 /* struct in6_multi *__in6m; */ \ 642 do { \ 643 (__in6m) = in6_lookup_multi(&(__addr), (__ifp)); \ 644 } while (/*CONSTCOND*/ 0) 645 646 /* 647 * Macro to step through all of the in6_multi records, one at a time. 648 * The current position is remembered in "step", which the caller must 649 * provide. IN6_FIRST_MULTI(), below, must be called to initialize "step" 650 * and get the first record. Both macros return a NULL "in6m" when there 651 * are no remaining records. 652 */ 653 static inline struct in6_multi * 654 in6_next_multi(struct in6_multistep *step) 655 { 656 struct in6_multi *in6m; 657 658 if ((in6m = step->i_in6m) != NULL) { 659 step->i_in6m = LIST_NEXT(in6m, in6m_entry); 660 return in6m; 661 } 662 while (step->i_ia != NULL) { 663 in6m = LIST_FIRST(&step->i_ia->ia6_multiaddrs); 664 step->i_ia = IN6_ADDRLIST_READER_NEXT(step->i_ia); 665 if (in6m != NULL) { 666 step->i_in6m = LIST_NEXT(in6m, in6m_entry); 667 break; 668 } 669 } 670 return in6m; 671 } 672 673 static inline struct in6_multi * 674 in6_first_multi(struct in6_multistep *step) 675 { 676 677 step->i_ia = IN6_ADDRLIST_READER_FIRST(); 678 step->i_in6m = NULL; 679 return in6_next_multi(step); 680 } 681 682 #define IN6_NEXT_MULTI(__step, __in6m) \ 683 /* struct in6_multistep __step; */ \ 684 /* struct in6_multi *__in6m; */ \ 685 do { \ 686 (__in6m) = in6_next_multi(&(__step)); \ 687 } while (/*CONSTCOND*/ 0) 688 689 #define IN6_FIRST_MULTI(__step, __in6m) \ 690 /* struct in6_multistep __step; */ \ 691 /* struct in6_multi *__in6m */ \ 692 do { \ 693 (__in6m) = in6_first_multi(&(__step)); \ 694 } while (/*CONSTCOND*/ 0) 695 696 697 #if 0 698 /* 699 * Macros for looking up the in6_multi_mship record for a given IP6 multicast 700 * address on a given interface. If no matching record is found, "imm" 701 * returns NULL. 702 */ 703 static inline struct in6_multi_mship * 704 in6_lookup_mship(struct in6_addr *addr, struct ifnet *ifp, 705 struct ip6_moptions *imop) 706 { 707 struct in6_multi_mship *imm; 708 709 LIST_FOREACH(imm, &imop->im6o_memberships, i6mm_chain) { 710 if (imm->i6mm_maddr->in6m_ifp != ifp) 711 continue; 712 if (IN6_ARE_ADDR_EQUAL(&imm->i6mm_maddr->in6m_addr, 713 addr)) 714 break; 715 } 716 return imm; 717 } 718 719 #define IN6_LOOKUP_MSHIP(__addr, __ifp, __imop, __imm) \ 720 /* struct in6_addr __addr; */ \ 721 /* struct ifnet *__ifp; */ \ 722 /* struct ip6_moptions *__imop */ \ 723 /* struct in6_multi_mship *__imm; */ \ 724 do { \ 725 (__imm) = in6_lookup_mship(&(__addr), (__ifp), (__imop)); \ 726 } while (/*CONSTCOND*/ 0) 727 #endif 728 729 struct in6_multi *in6_addmulti(struct in6_addr *, struct ifnet *, 730 int *, int); 731 void in6_delmulti(struct in6_multi *); 732 struct in6_multi_mship *in6_joingroup(struct ifnet *, struct in6_addr *, 733 int *, int); 734 int in6_leavegroup(struct in6_multi_mship *); 735 int in6_mask2len(struct in6_addr *, u_char *); 736 int in6_control(struct socket *, u_long, void *, struct ifnet *); 737 int in6_update_ifa(struct ifnet *, struct in6_aliasreq *, 738 struct in6_ifaddr *, int); 739 void in6_purgeaddr(struct ifaddr *); 740 void in6_purgeif(struct ifnet *); 741 void in6_savemkludge(struct in6_ifaddr *); 742 void in6_setmaxmtu (void); 743 int in6_if2idlen (struct ifnet *); 744 void *in6_domifattach(struct ifnet *); 745 void in6_domifdetach(struct ifnet *, void *); 746 void in6_restoremkludge(struct in6_ifaddr *, struct ifnet *); 747 void in6_ifremlocal(struct ifaddr *); 748 void in6_ifaddlocal(struct ifaddr *); 749 void in6_createmkludge(struct ifnet *); 750 void in6_purgemkludge(struct ifnet *); 751 struct in6_ifaddr *in6ifa_ifpforlinklocal(const struct ifnet *, int); 752 struct in6_ifaddr *in6ifa_ifpwithaddr(const struct ifnet *, 753 const struct in6_addr *); 754 struct in6_ifaddr *in6ifa_ifwithaddr(const struct in6_addr *, uint32_t); 755 char *ip6_sprintf(const struct in6_addr *); 756 int in6_matchlen(struct in6_addr *, struct in6_addr *); 757 int in6_are_prefix_equal(struct in6_addr *, struct in6_addr *, int); 758 void in6_prefixlen2mask(struct in6_addr *, int); 759 void in6_purgeprefix(struct ifnet *); 760 761 int ip6flow_fastforward(struct mbuf **); /* IPv6 fast forward routine */ 762 763 int in6_src_ioctl(u_long, void *); 764 int in6_is_addr_deprecated(struct sockaddr_in6 *); 765 struct in6pcb; 766 767 #define LLTABLE6(ifp) (((struct in6_ifextra *)(ifp)->if_afdata[AF_INET6])->lltable) 768 769 #endif /* _KERNEL */ 770 771 #endif /* !_NETINET6_IN6_VAR_H_ */ 772
Indexes created Fri Sep 26 08:10:20 GMT 2025