in6_var.h revision 1.76
1 /* $NetBSD: in6_var.h,v 1.76 2016/02/04 02:48:37 riastradh 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 struct in6_ifaddr *ia_next; /* next in6 list of IP6 addresses */ 115 struct in6_multihead ia6_multiaddrs; 116 /* list of multicast addresses */ 117 int ia6_flags; 118 119 struct in6_addrlifetime ia6_lifetime; 120 time_t ia6_createtime; /* the creation time of this address, which is 121 * currently used for temporary addresses only. 122 */ 123 time_t ia6_updatetime; 124 125 /* back pointer to the ND prefix (for autoconfigured addresses only) */ 126 struct nd_prefix *ia6_ndpr; 127 128 /* multicast addresses joined from the kernel */ 129 LIST_HEAD(, in6_multi_mship) ia6_memberships; 130 }; 131 132 /* control structure to manage address selection policy */ 133 struct in6_addrpolicy { 134 struct sockaddr_in6 addr; /* prefix address */ 135 struct sockaddr_in6 addrmask; /* prefix mask */ 136 int preced; /* precedence */ 137 int label; /* matching label */ 138 u_quad_t use; /* statistics */ 139 }; 140 141 /* 142 * IPv6 interface statistics, as defined in RFC2465 Ipv6IfStatsEntry (p12). 143 */ 144 struct in6_ifstat { 145 u_quad_t ifs6_in_receive; /* # of total input datagram */ 146 u_quad_t ifs6_in_hdrerr; /* # of datagrams with invalid hdr */ 147 u_quad_t ifs6_in_toobig; /* # of datagrams exceeded MTU */ 148 u_quad_t ifs6_in_noroute; /* # of datagrams with no route */ 149 u_quad_t ifs6_in_addrerr; /* # of datagrams with invalid dst */ 150 u_quad_t ifs6_in_protounknown; /* # of datagrams with unknown proto */ 151 /* NOTE: increment on final dst if */ 152 u_quad_t ifs6_in_truncated; /* # of truncated datagrams */ 153 u_quad_t ifs6_in_discard; /* # of discarded datagrams */ 154 /* NOTE: fragment timeout is not here */ 155 u_quad_t ifs6_in_deliver; /* # of datagrams delivered to ULP */ 156 /* NOTE: increment on final dst if */ 157 u_quad_t ifs6_out_forward; /* # of datagrams forwarded */ 158 /* NOTE: increment on outgoing if */ 159 u_quad_t ifs6_out_request; /* # of outgoing datagrams from ULP */ 160 /* NOTE: does not include forwrads */ 161 u_quad_t ifs6_out_discard; /* # of discarded datagrams */ 162 u_quad_t ifs6_out_fragok; /* # of datagrams fragmented */ 163 u_quad_t ifs6_out_fragfail; /* # of datagrams failed on fragment */ 164 u_quad_t ifs6_out_fragcreat; /* # of fragment datagrams */ 165 /* NOTE: this is # after fragment */ 166 u_quad_t ifs6_reass_reqd; /* # of incoming fragmented packets */ 167 /* NOTE: increment on final dst if */ 168 u_quad_t ifs6_reass_ok; /* # of reassembled packets */ 169 /* NOTE: this is # after reass */ 170 /* NOTE: increment on final dst if */ 171 u_quad_t ifs6_reass_fail; /* # of reass failures */ 172 /* NOTE: may not be packet count */ 173 /* NOTE: increment on final dst if */ 174 u_quad_t ifs6_in_mcast; /* # of inbound multicast datagrams */ 175 u_quad_t ifs6_out_mcast; /* # of outbound multicast datagrams */ 176 }; 177 178 /* 179 * ICMPv6 interface statistics, as defined in RFC2466 Ipv6IfIcmpEntry. 180 * XXX: I'm not sure if this file is the right place for this structure... 181 */ 182 struct icmp6_ifstat { 183 /* 184 * Input statistics 185 */ 186 /* ipv6IfIcmpInMsgs, total # of input messages */ 187 u_quad_t ifs6_in_msg; 188 /* ipv6IfIcmpInErrors, # of input error messages */ 189 u_quad_t ifs6_in_error; 190 /* ipv6IfIcmpInDestUnreachs, # of input dest unreach errors */ 191 u_quad_t ifs6_in_dstunreach; 192 /* ipv6IfIcmpInAdminProhibs, # of input administratively prohibited errs */ 193 u_quad_t ifs6_in_adminprohib; 194 /* ipv6IfIcmpInTimeExcds, # of input time exceeded errors */ 195 u_quad_t ifs6_in_timeexceed; 196 /* ipv6IfIcmpInParmProblems, # of input parameter problem errors */ 197 u_quad_t ifs6_in_paramprob; 198 /* ipv6IfIcmpInPktTooBigs, # of input packet too big errors */ 199 u_quad_t ifs6_in_pkttoobig; 200 /* ipv6IfIcmpInEchos, # of input echo requests */ 201 u_quad_t ifs6_in_echo; 202 /* ipv6IfIcmpInEchoReplies, # of input echo replies */ 203 u_quad_t ifs6_in_echoreply; 204 /* ipv6IfIcmpInRouterSolicits, # of input router solicitations */ 205 u_quad_t ifs6_in_routersolicit; 206 /* ipv6IfIcmpInRouterAdvertisements, # of input router advertisements */ 207 u_quad_t ifs6_in_routeradvert; 208 /* ipv6IfIcmpInNeighborSolicits, # of input neighbor solicitations */ 209 u_quad_t ifs6_in_neighborsolicit; 210 /* ipv6IfIcmpInNeighborAdvertisements, # of input neighbor advertisements */ 211 u_quad_t ifs6_in_neighboradvert; 212 /* ipv6IfIcmpInRedirects, # of input redirects */ 213 u_quad_t ifs6_in_redirect; 214 /* ipv6IfIcmpInGroupMembQueries, # of input MLD queries */ 215 u_quad_t ifs6_in_mldquery; 216 /* ipv6IfIcmpInGroupMembResponses, # of input MLD reports */ 217 u_quad_t ifs6_in_mldreport; 218 /* ipv6IfIcmpInGroupMembReductions, # of input MLD done */ 219 u_quad_t ifs6_in_mlddone; 220 221 /* 222 * Output statistics. We should solve unresolved routing problem... 223 */ 224 /* ipv6IfIcmpOutMsgs, total # of output messages */ 225 u_quad_t ifs6_out_msg; 226 /* ipv6IfIcmpOutErrors, # of output error messages */ 227 u_quad_t ifs6_out_error; 228 /* ipv6IfIcmpOutDestUnreachs, # of output dest unreach errors */ 229 u_quad_t ifs6_out_dstunreach; 230 /* ipv6IfIcmpOutAdminProhibs, # of output administratively prohibited errs */ 231 u_quad_t ifs6_out_adminprohib; 232 /* ipv6IfIcmpOutTimeExcds, # of output time exceeded errors */ 233 u_quad_t ifs6_out_timeexceed; 234 /* ipv6IfIcmpOutParmProblems, # of output parameter problem errors */ 235 u_quad_t ifs6_out_paramprob; 236 /* ipv6IfIcmpOutPktTooBigs, # of output packet too big errors */ 237 u_quad_t ifs6_out_pkttoobig; 238 /* ipv6IfIcmpOutEchos, # of output echo requests */ 239 u_quad_t ifs6_out_echo; 240 /* ipv6IfIcmpOutEchoReplies, # of output echo replies */ 241 u_quad_t ifs6_out_echoreply; 242 /* ipv6IfIcmpOutRouterSolicits, # of output router solicitations */ 243 u_quad_t ifs6_out_routersolicit; 244 /* ipv6IfIcmpOutRouterAdvertisements, # of output router advertisements */ 245 u_quad_t ifs6_out_routeradvert; 246 /* ipv6IfIcmpOutNeighborSolicits, # of output neighbor solicitations */ 247 u_quad_t ifs6_out_neighborsolicit; 248 /* ipv6IfIcmpOutNeighborAdvertisements, # of output neighbor advertisements */ 249 u_quad_t ifs6_out_neighboradvert; 250 /* ipv6IfIcmpOutRedirects, # of output redirects */ 251 u_quad_t ifs6_out_redirect; 252 /* ipv6IfIcmpOutGroupMembQueries, # of output MLD queries */ 253 u_quad_t ifs6_out_mldquery; 254 /* ipv6IfIcmpOutGroupMembResponses, # of output MLD reports */ 255 u_quad_t ifs6_out_mldreport; 256 /* ipv6IfIcmpOutGroupMembReductions, # of output MLD done */ 257 u_quad_t ifs6_out_mlddone; 258 }; 259 260 /* 261 * If you make changes that change the size of in6_ifreq, 262 * make sure you fix compat/netinet6/in6_var.h 263 */ 264 struct in6_ifreq { 265 char ifr_name[IFNAMSIZ]; 266 union { 267 struct sockaddr_in6 ifru_addr; 268 struct sockaddr_in6 ifru_dstaddr; 269 short ifru_flags; 270 int ifru_flags6; 271 int ifru_metric; 272 void * ifru_data; 273 struct in6_addrlifetime ifru_lifetime; 274 struct in6_ifstat ifru_stat; 275 struct icmp6_ifstat ifru_icmp6stat; 276 } ifr_ifru; 277 }; 278 279 struct in6_aliasreq { 280 char ifra_name[IFNAMSIZ]; 281 struct sockaddr_in6 ifra_addr; 282 struct sockaddr_in6 ifra_dstaddr; 283 struct sockaddr_in6 ifra_prefixmask; 284 int ifra_flags; 285 struct in6_addrlifetime ifra_lifetime; 286 }; 287 288 /* prefix type macro */ 289 #define IN6_PREFIX_ND 1 290 #define IN6_PREFIX_RR 2 291 292 /* 293 * prefix related flags passed between kernel(NDP related part) and 294 * user land command(ifconfig) and daemon(rtadvd). 295 * Note: We originally intended to use prf_ra{} only within in6_prflags{}, but 296 * it was (probably unintentionally) used in nd6.h as well. Since C++ does 297 * not allow such a reference, prf_ra{} was then moved outside. In general, 298 * however, this structure should not be used directly. 299 */ 300 struct prf_ra { 301 u_int32_t onlink : 1; 302 u_int32_t autonomous : 1; 303 u_int32_t router : 1; 304 u_int32_t reserved : 5; 305 }; 306 307 struct in6_prflags { 308 struct prf_ra prf_ra; 309 u_char prf_reserved1; 310 u_short prf_reserved2; 311 /* want to put this on 4byte offset */ 312 struct prf_rr { 313 u_int32_t decrvalid : 1; 314 u_int32_t decrprefd : 1; 315 u_int32_t reserved : 6; 316 } prf_rr; 317 u_char prf_reserved3; 318 u_short prf_reserved4; 319 }; 320 321 struct in6_prefixreq { 322 char ipr_name[IFNAMSIZ]; 323 u_char ipr_origin; 324 u_char ipr_plen; 325 u_int32_t ipr_vltime; 326 u_int32_t ipr_pltime; 327 struct in6_prflags ipr_flags; 328 struct sockaddr_in6 ipr_prefix; 329 }; 330 331 #define PR_ORIG_RA 0 332 #define PR_ORIG_RR 1 333 #define PR_ORIG_STATIC 2 334 #define PR_ORIG_KERNEL 3 335 336 #define ipr_raf_onlink ipr_flags.prf_ra.onlink 337 #define ipr_raf_auto ipr_flags.prf_ra.autonomous 338 339 #define ipr_statef_onlink ipr_flags.prf_state.onlink 340 341 #define ipr_rrf_decrvalid ipr_flags.prf_rr.decrvalid 342 #define ipr_rrf_decrprefd ipr_flags.prf_rr.decrprefd 343 344 struct in6_rrenumreq { 345 char irr_name[IFNAMSIZ]; 346 u_char irr_origin; 347 u_char irr_m_len; /* match len for matchprefix */ 348 u_char irr_m_minlen; /* minlen for matching prefix */ 349 u_char irr_m_maxlen; /* maxlen for matching prefix */ 350 u_char irr_u_uselen; /* uselen for adding prefix */ 351 u_char irr_u_keeplen; /* keeplen from matching prefix */ 352 struct irr_raflagmask { 353 u_int32_t onlink : 1; 354 u_int32_t autonomous : 1; 355 u_int32_t reserved : 6; 356 } irr_raflagmask; 357 u_int32_t irr_vltime; 358 u_int32_t irr_pltime; 359 struct in6_prflags irr_flags; 360 struct sockaddr_in6 irr_matchprefix; 361 struct sockaddr_in6 irr_useprefix; 362 }; 363 364 #define irr_raf_mask_onlink irr_raflagmask.onlink 365 #define irr_raf_mask_auto irr_raflagmask.autonomous 366 #define irr_raf_mask_reserved irr_raflagmask.reserved 367 368 #define irr_raf_onlink irr_flags.prf_ra.onlink 369 #define irr_raf_auto irr_flags.prf_ra.autonomous 370 371 #define irr_statef_onlink irr_flags.prf_state.onlink 372 373 #define irr_rrf irr_flags.prf_rr 374 #define irr_rrf_decrvalid irr_flags.prf_rr.decrvalid 375 #define irr_rrf_decrprefd irr_flags.prf_rr.decrprefd 376 377 /* 378 * Given a pointer to an in6_ifaddr (ifaddr), 379 * return a pointer to the addr as a sockaddr_in6 380 */ 381 #define IA6_IN6(ia) (&((ia)->ia_addr.sin6_addr)) 382 #define IA6_DSTIN6(ia) (&((ia)->ia_dstaddr.sin6_addr)) 383 #define IA6_MASKIN6(ia) (&((ia)->ia_prefixmask.sin6_addr)) 384 #define IA6_SIN6(ia) (&((ia)->ia_addr)) 385 #define IA6_DSTSIN6(ia) (&((ia)->ia_dstaddr)) 386 #define IFA_IN6(x) (&((struct sockaddr_in6 *)((x)->ifa_addr))->sin6_addr) 387 #define IFA_DSTIN6(x) (&((struct sockaddr_in6 *)((x)->ifa_dstaddr))->sin6_addr) 388 389 #ifdef _KERNEL 390 #define IN6_ARE_MASKED_ADDR_EQUAL(d, a, m) ( \ 391 (((d)->s6_addr32[0] ^ (a)->s6_addr32[0]) & (m)->s6_addr32[0]) == 0 && \ 392 (((d)->s6_addr32[1] ^ (a)->s6_addr32[1]) & (m)->s6_addr32[1]) == 0 && \ 393 (((d)->s6_addr32[2] ^ (a)->s6_addr32[2]) & (m)->s6_addr32[2]) == 0 && \ 394 (((d)->s6_addr32[3] ^ (a)->s6_addr32[3]) & (m)->s6_addr32[3]) == 0 ) 395 #endif 396 397 #define SIOCSIFADDR_IN6 _IOW('i', 12, struct in6_ifreq) 398 #define SIOCGIFADDR_IN6 _IOWR('i', 33, struct in6_ifreq) 399 400 #ifdef _KERNEL 401 /* 402 * SIOCSxxx ioctls should be unused (see comments in in6.c), but 403 * we do not shift numbers for binary compatibility. 404 */ 405 #define SIOCSIFDSTADDR_IN6 _IOW('i', 14, struct in6_ifreq) 406 #define SIOCSIFNETMASK_IN6 _IOW('i', 22, struct in6_ifreq) 407 #endif 408 409 #define SIOCGIFDSTADDR_IN6 _IOWR('i', 34, struct in6_ifreq) 410 #define SIOCGIFNETMASK_IN6 _IOWR('i', 37, struct in6_ifreq) 411 412 #define SIOCDIFADDR_IN6 _IOW('i', 25, struct in6_ifreq) 413 /* 26 was OSIOCAIFADDR_IN6 */ 414 415 /* 70 was OSIOCSIFPHYADDR_IN6 */ 416 #define SIOCGIFPSRCADDR_IN6 _IOWR('i', 71, struct in6_ifreq) 417 #define SIOCGIFPDSTADDR_IN6 _IOWR('i', 72, struct in6_ifreq) 418 419 #define SIOCGIFAFLAG_IN6 _IOWR('i', 73, struct in6_ifreq) 420 421 #define SIOCGDRLST_IN6 _IOWR('i', 74, struct in6_drlist) 422 #define SIOCGPRLST_IN6 _IOWR('i', 75, struct in6_oprlist) 423 #ifdef _KERNEL 424 #define OSIOCGIFINFO_IN6 _IOWR('i', 76, struct in6_ondireq) 425 #endif 426 #define SIOCSNDFLUSH_IN6 _IOWR('i', 77, struct in6_ifreq) 427 #define SIOCGNBRINFO_IN6 _IOWR('i', 78, struct in6_nbrinfo) 428 #define SIOCSPFXFLUSH_IN6 _IOWR('i', 79, struct in6_ifreq) 429 #define SIOCSRTRFLUSH_IN6 _IOWR('i', 80, struct in6_ifreq) 430 /* 81 was old SIOCGIFALIFETIME_IN6 */ 431 #if 0 432 /* withdrawn - do not reuse number 82 */ 433 #define SIOCSIFALIFETIME_IN6 _IOWR('i', 82, struct in6_ifreq) 434 #endif 435 #define SIOCGIFSTAT_IN6 _IOWR('i', 83, struct in6_ifreq) 436 #define SIOCGIFSTAT_ICMP6 _IOWR('i', 84, struct in6_ifreq) 437 438 #define SIOCSDEFIFACE_IN6 _IOWR('i', 85, struct in6_ndifreq) 439 #define SIOCGDEFIFACE_IN6 _IOWR('i', 86, struct in6_ndifreq) 440 441 #define SIOCSIFINFO_FLAGS _IOWR('i', 87, struct in6_ndireq) /* XXX */ 442 443 #define SIOCSIFPREFIX_IN6 _IOW('i', 100, struct in6_prefixreq) /* set */ 444 #define SIOCGIFPREFIX_IN6 _IOWR('i', 101, struct in6_prefixreq) /* get */ 445 #define SIOCDIFPREFIX_IN6 _IOW('i', 102, struct in6_prefixreq) /* del */ 446 #define SIOCAIFPREFIX_IN6 _IOW('i', 103, struct in6_rrenumreq) /* add */ 447 #define SIOCCIFPREFIX_IN6 _IOW('i', 104, \ 448 struct in6_rrenumreq) /* change */ 449 #define SIOCSGIFPREFIX_IN6 _IOW('i', 105, \ 450 struct in6_rrenumreq) /* set global */ 451 #define SIOCGIFALIFETIME_IN6 _IOWR('i', 106, struct in6_ifreq) 452 #define SIOCAIFADDR_IN6 _IOW('i', 107, struct in6_aliasreq) 453 #define SIOCGIFINFO_IN6 _IOWR('i', 108, struct in6_ndireq) 454 #define SIOCSIFINFO_IN6 _IOWR('i', 109, struct in6_ndireq) 455 #define SIOCSIFPHYADDR_IN6 _IOW('i', 110, struct in6_aliasreq) 456 457 458 /* XXX: Someone decided to switch to 'u' here for unknown reasons! */ 459 #define SIOCGETSGCNT_IN6 _IOWR('u', 106, \ 460 struct sioc_sg_req6) /* get s,g pkt cnt */ 461 #define SIOCGETMIFCNT_IN6 _IOWR('u', 107, \ 462 struct sioc_mif_req6) /* get pkt cnt per if */ 463 #define SIOCAADDRCTL_POLICY _IOW('u', 108, struct in6_addrpolicy) 464 #define SIOCDADDRCTL_POLICY _IOW('u', 109, struct in6_addrpolicy) 465 466 #define IN6_IFF_ANYCAST 0x01 /* anycast address */ 467 #define IN6_IFF_TENTATIVE 0x02 /* tentative address */ 468 #define IN6_IFF_DUPLICATED 0x04 /* DAD detected duplicate */ 469 #define IN6_IFF_DETACHED 0x08 /* may be detached from the link */ 470 #define IN6_IFF_DEPRECATED 0x10 /* deprecated address */ 471 #define IN6_IFF_NODAD 0x20 /* don't perform DAD on this address 472 * (used only at first SIOC* call) 473 */ 474 #define IN6_IFF_AUTOCONF 0x40 /* autoconfigurable address. */ 475 #define IN6_IFF_TEMPORARY 0x80 /* temporary (anonymous) address. */ 476 477 /* do not input/output */ 478 #define IN6_IFF_NOTREADY (IN6_IFF_TENTATIVE|IN6_IFF_DUPLICATED) 479 480 #ifdef _KERNEL 481 #define IN6_ARE_SCOPE_CMP(a,b) ((a)-(b)) 482 #define IN6_ARE_SCOPE_EQUAL(a,b) ((a)==(b)) 483 #endif 484 485 #ifdef _KERNEL 486 487 #include <net/pktqueue.h> 488 489 extern pktqueue_t *ip6_pktq; 490 491 MALLOC_DECLARE(M_IP6OPT); 492 493 extern struct in6_ifaddr *in6_ifaddr; 494 495 #define in6_ifstat_inc(ifp, tag) \ 496 do { \ 497 if (ifp) \ 498 ((struct in6_ifextra *)((ifp)->if_afdata[AF_INET6]))->in6_ifstat->tag++; \ 499 } while (/*CONSTCOND*/ 0) 500 501 extern const struct in6_addr zeroin6_addr; 502 extern const u_char inet6ctlerrmap[]; 503 extern unsigned long in6_maxmtu; 504 extern bool in6_present; 505 extern callout_t in6_tmpaddrtimer_ch; 506 507 /* 508 * Macro for finding the internet address structure (in6_ifaddr) corresponding 509 * to a given interface (ifnet structure). 510 */ 511 static inline struct in6_ifaddr * 512 ifp_to_ia6(struct ifnet *ifp) 513 { 514 struct ifaddr *ifa; 515 516 IFADDR_FOREACH(ifa, ifp) { 517 if (ifa->ifa_addr == NULL) 518 continue; 519 if (ifa->ifa_addr->sa_family == AF_INET6) 520 break; 521 } 522 return (struct in6_ifaddr *)ifa; 523 } 524 525 #define IFP_TO_IA6(__ifp, __ia) \ 526 do { \ 527 (__ia) = ifp_to_ia6((__ifp)); \ 528 } while (/*CONSTCOND*/0) 529 530 531 #endif /* _KERNEL */ 532 533 /* 534 * Multi-cast membership entry. One for each group/ifp that a PCB 535 * belongs to. 536 */ 537 struct in6_multi_mship { 538 struct in6_multi *i6mm_maddr; /* Multicast address pointer */ 539 LIST_ENTRY(in6_multi_mship) i6mm_chain; /* multicast options chain */ 540 }; 541 542 struct in6_multi { 543 LIST_ENTRY(in6_multi) in6m_entry; /* list glue */ 544 struct in6_addr in6m_addr; /* IP6 multicast address */ 545 struct ifnet *in6m_ifp; /* back pointer to ifnet */ 546 struct in6_ifaddr *in6m_ia; /* back pointer to in6_ifaddr */ 547 u_int in6m_refcount; /* # membership claims by sockets */ 548 u_int in6m_state; /* state of the membership */ 549 int in6m_timer; /* delay to send the 1st report */ 550 struct timeval in6m_timer_expire; /* when the timer expires */ 551 callout_t in6m_timer_ch; 552 }; 553 554 #define IN6M_TIMER_UNDEF -1 555 556 557 #ifdef _KERNEL 558 /* flags to in6_update_ifa */ 559 #define IN6_IFAUPDATE_DADDELAY 0x1 /* first time to configure an address */ 560 561 /* 562 * Structure used by macros below to remember position when stepping through 563 * all of the in6_multi records. 564 */ 565 struct in6_multistep { 566 struct in6_ifaddr *i_ia; 567 struct in6_multi *i_in6m; 568 }; 569 570 /* 571 * Macros for looking up the in6_multi record for a given IP6 multicast 572 * address on a given interface. If no matching record is found, "in6m" 573 * returns NULL. 574 */ 575 576 static inline struct in6_multi * 577 in6_lookup_multi(struct in6_addr *addr, struct ifnet *ifp) 578 { 579 struct in6_multi *in6m; 580 struct in6_ifaddr *ia; 581 582 if ((ia = ifp_to_ia6(ifp)) == NULL) 583 return NULL; 584 LIST_FOREACH(in6m, &ia->ia6_multiaddrs, in6m_entry) { 585 if (IN6_ARE_ADDR_EQUAL(&in6m->in6m_addr, addr)) 586 break; 587 } 588 return in6m; 589 } 590 591 #define IN6_LOOKUP_MULTI(__addr, __ifp, __in6m) \ 592 /* struct in6_addr __addr; */ \ 593 /* struct ifnet *__ifp; */ \ 594 /* struct in6_multi *__in6m; */ \ 595 do { \ 596 (__in6m) = in6_lookup_multi(&(__addr), (__ifp)); \ 597 } while (/*CONSTCOND*/ 0) 598 599 /* 600 * Macro to step through all of the in6_multi records, one at a time. 601 * The current position is remembered in "step", which the caller must 602 * provide. IN6_FIRST_MULTI(), below, must be called to initialize "step" 603 * and get the first record. Both macros return a NULL "in6m" when there 604 * are no remaining records. 605 */ 606 static inline struct in6_multi * 607 in6_next_multi(struct in6_multistep *step) 608 { 609 struct in6_multi *in6m; 610 611 if ((in6m = step->i_in6m) != NULL) { 612 step->i_in6m = LIST_NEXT(in6m, in6m_entry); 613 return in6m; 614 } 615 while (step->i_ia != NULL) { 616 in6m = LIST_FIRST(&step->i_ia->ia6_multiaddrs); 617 step->i_ia = step->i_ia->ia_next; 618 if (in6m != NULL) { 619 step->i_in6m = LIST_NEXT(in6m, in6m_entry); 620 break; 621 } 622 } 623 return in6m; 624 } 625 626 static inline struct in6_multi * 627 in6_first_multi(struct in6_multistep *step) 628 { 629 step->i_ia = in6_ifaddr; 630 step->i_in6m = NULL; 631 return in6_next_multi(step); 632 } 633 634 #define IN6_NEXT_MULTI(__step, __in6m) \ 635 /* struct in6_multistep __step; */ \ 636 /* struct in6_multi *__in6m; */ \ 637 do { \ 638 (__in6m) = in6_next_multi(&(__step)); \ 639 } while (/*CONSTCOND*/ 0) 640 641 #define IN6_FIRST_MULTI(__step, __in6m) \ 642 /* struct in6_multistep __step; */ \ 643 /* struct in6_multi *__in6m */ \ 644 do { \ 645 (__in6m) = in6_first_multi(&(__step)); \ 646 } while (/*CONSTCOND*/ 0) 647 648 649 #if 0 650 /* 651 * Macros for looking up the in6_multi_mship record for a given IP6 multicast 652 * address on a given interface. If no matching record is found, "imm" 653 * returns NULL. 654 */ 655 static inline struct in6_multi_mship * 656 in6_lookup_mship(struct in6_addr *addr, struct ifnet *ifp, 657 struct ip6_moptions *imop) 658 { 659 struct in6_multi_mship *imm; 660 661 LIST_FOREACH(imm, &imop->im6o_memberships, i6mm_chain) { 662 if (imm->i6mm_maddr->in6m_ifp != ifp) 663 continue; 664 if (IN6_ARE_ADDR_EQUAL(&imm->i6mm_maddr->in6m_addr, 665 addr)) 666 break; 667 } 668 return imm; 669 } 670 671 #define IN6_LOOKUP_MSHIP(__addr, __ifp, __imop, __imm) \ 672 /* struct in6_addr __addr; */ \ 673 /* struct ifnet *__ifp; */ \ 674 /* struct ip6_moptions *__imop */ \ 675 /* struct in6_multi_mship *__imm; */ \ 676 do { \ 677 (__imm) = in6_lookup_mship(&(__addr), (__ifp), (__imop)); \ 678 } while (/*CONSTCOND*/ 0) 679 #endif 680 681 struct in6_multi *in6_addmulti(struct in6_addr *, struct ifnet *, 682 int *, int); 683 void in6_delmulti(struct in6_multi *); 684 struct in6_multi_mship *in6_joingroup(struct ifnet *, struct in6_addr *, 685 int *, int); 686 int in6_leavegroup(struct in6_multi_mship *); 687 int in6_mask2len(struct in6_addr *, u_char *); 688 int in6_control(struct socket *, u_long, void *, struct ifnet *); 689 int in6_update_ifa(struct ifnet *, struct in6_aliasreq *, 690 struct in6_ifaddr *, int); 691 void in6_purgeaddr(struct ifaddr *); 692 void in6_purgeif(struct ifnet *); 693 void in6_savemkludge(struct in6_ifaddr *); 694 void in6_setmaxmtu (void); 695 int in6_if2idlen (struct ifnet *); 696 void *in6_domifattach(struct ifnet *); 697 void in6_domifdetach(struct ifnet *, void *); 698 void in6_restoremkludge(struct in6_ifaddr *, struct ifnet *); 699 void in6_ifremlocal(struct ifaddr *); 700 void in6_ifaddlocal(struct ifaddr *); 701 void in6_createmkludge(struct ifnet *); 702 void in6_purgemkludge(struct ifnet *); 703 struct in6_ifaddr *in6ifa_ifpforlinklocal(const struct ifnet *, int); 704 struct in6_ifaddr *in6ifa_ifpwithaddr(const struct ifnet *, 705 const struct in6_addr *); 706 struct in6_ifaddr *in6ifa_ifwithaddr(const struct in6_addr *, uint32_t); 707 char *ip6_sprintf(const struct in6_addr *); 708 int in6_matchlen(struct in6_addr *, struct in6_addr *); 709 int in6_are_prefix_equal(struct in6_addr *, struct in6_addr *, int); 710 void in6_prefixlen2mask(struct in6_addr *, int); 711 void in6_purgeprefix(struct ifnet *); 712 713 int ip6flow_fastforward(struct mbuf **); /* IPv6 fast forward routine */ 714 715 int in6_src_ioctl(u_long, void *); 716 int in6_is_addr_deprecated(struct sockaddr_in6 *); 717 struct in6pcb; 718 719 #define LLTABLE6(ifp) (((struct in6_ifextra *)(ifp)->if_afdata[AF_INET6])->lltable) 720 721 #endif /* _KERNEL */ 722 723 #endif /* !_NETINET6_IN6_VAR_H_ */ 724
Indexes created Tue Sep 30 20:09:53 GMT 2025