1 /* $NetBSD: in6_var.h,v 1.74 2015/09/06 06:01:01 dholland 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 nd_ifinfo; 93 struct in6_ifextra { 94 struct in6_ifstat *in6_ifstat; 95 struct icmp6_ifstat *icmp6_ifstat; 96 struct nd_ifinfo *nd_ifinfo; 97 struct scope6_id *scope6_id; 98 int nprefixes; 99 int ndefrouters; 100 }; 101 102 LIST_HEAD(in6_multihead, in6_multi); 103 struct in6_ifaddr { 104 struct ifaddr ia_ifa; /* protocol-independent info */ 105 #define ia_ifp ia_ifa.ifa_ifp 106 #define ia_flags ia_ifa.ifa_flags 107 struct sockaddr_in6 ia_addr; /* interface address */ 108 struct sockaddr_in6 ia_net; /* network number of interface */ 109 struct sockaddr_in6 ia_dstaddr; /* space for destination addr */ 110 struct sockaddr_in6 ia_prefixmask; /* prefix mask */ 111 u_int32_t ia_plen; /* prefix length */ 112 struct in6_ifaddr *ia_next; /* next in6 list of IP6 addresses */ 113 struct in6_multihead ia6_multiaddrs; 114 /* list of multicast addresses */ 115 int ia6_flags; 116 117 struct in6_addrlifetime ia6_lifetime; 118 time_t ia6_createtime; /* the creation time of this address, which is 119 * currently used for temporary addresses only. 120 */ 121 time_t ia6_updatetime; 122 123 /* back pointer to the ND prefix (for autoconfigured addresses only) */ 124 struct nd_prefix *ia6_ndpr; 125 126 /* multicast addresses joined from the kernel */ 127 LIST_HEAD(, in6_multi_mship) ia6_memberships; 128 }; 129 130 /* control structure to manage address selection policy */ 131 struct in6_addrpolicy { 132 struct sockaddr_in6 addr; /* prefix address */ 133 struct sockaddr_in6 addrmask; /* prefix mask */ 134 int preced; /* precedence */ 135 int label; /* matching label */ 136 u_quad_t use; /* statistics */ 137 }; 138 139 /* 140 * IPv6 interface statistics, as defined in RFC2465 Ipv6IfStatsEntry (p12). 141 */ 142 struct in6_ifstat { 143 u_quad_t ifs6_in_receive; /* # of total input datagram */ 144 u_quad_t ifs6_in_hdrerr; /* # of datagrams with invalid hdr */ 145 u_quad_t ifs6_in_toobig; /* # of datagrams exceeded MTU */ 146 u_quad_t ifs6_in_noroute; /* # of datagrams with no route */ 147 u_quad_t ifs6_in_addrerr; /* # of datagrams with invalid dst */ 148 u_quad_t ifs6_in_protounknown; /* # of datagrams with unknown proto */ 149 /* NOTE: increment on final dst if */ 150 u_quad_t ifs6_in_truncated; /* # of truncated datagrams */ 151 u_quad_t ifs6_in_discard; /* # of discarded datagrams */ 152 /* NOTE: fragment timeout is not here */ 153 u_quad_t ifs6_in_deliver; /* # of datagrams delivered to ULP */ 154 /* NOTE: increment on final dst if */ 155 u_quad_t ifs6_out_forward; /* # of datagrams forwarded */ 156 /* NOTE: increment on outgoing if */ 157 u_quad_t ifs6_out_request; /* # of outgoing datagrams from ULP */ 158 /* NOTE: does not include forwrads */ 159 u_quad_t ifs6_out_discard; /* # of discarded datagrams */ 160 u_quad_t ifs6_out_fragok; /* # of datagrams fragmented */ 161 u_quad_t ifs6_out_fragfail; /* # of datagrams failed on fragment */ 162 u_quad_t ifs6_out_fragcreat; /* # of fragment datagrams */ 163 /* NOTE: this is # after fragment */ 164 u_quad_t ifs6_reass_reqd; /* # of incoming fragmented packets */ 165 /* NOTE: increment on final dst if */ 166 u_quad_t ifs6_reass_ok; /* # of reassembled packets */ 167 /* NOTE: this is # after reass */ 168 /* NOTE: increment on final dst if */ 169 u_quad_t ifs6_reass_fail; /* # of reass failures */ 170 /* NOTE: may not be packet count */ 171 /* NOTE: increment on final dst if */ 172 u_quad_t ifs6_in_mcast; /* # of inbound multicast datagrams */ 173 u_quad_t ifs6_out_mcast; /* # of outbound multicast datagrams */ 174 }; 175 176 /* 177 * ICMPv6 interface statistics, as defined in RFC2466 Ipv6IfIcmpEntry. 178 * XXX: I'm not sure if this file is the right place for this structure... 179 */ 180 struct icmp6_ifstat { 181 /* 182 * Input statistics 183 */ 184 /* ipv6IfIcmpInMsgs, total # of input messages */ 185 u_quad_t ifs6_in_msg; 186 /* ipv6IfIcmpInErrors, # of input error messages */ 187 u_quad_t ifs6_in_error; 188 /* ipv6IfIcmpInDestUnreachs, # of input dest unreach errors */ 189 u_quad_t ifs6_in_dstunreach; 190 /* ipv6IfIcmpInAdminProhibs, # of input administratively prohibited errs */ 191 u_quad_t ifs6_in_adminprohib; 192 /* ipv6IfIcmpInTimeExcds, # of input time exceeded errors */ 193 u_quad_t ifs6_in_timeexceed; 194 /* ipv6IfIcmpInParmProblems, # of input parameter problem errors */ 195 u_quad_t ifs6_in_paramprob; 196 /* ipv6IfIcmpInPktTooBigs, # of input packet too big errors */ 197 u_quad_t ifs6_in_pkttoobig; 198 /* ipv6IfIcmpInEchos, # of input echo requests */ 199 u_quad_t ifs6_in_echo; 200 /* ipv6IfIcmpInEchoReplies, # of input echo replies */ 201 u_quad_t ifs6_in_echoreply; 202 /* ipv6IfIcmpInRouterSolicits, # of input router solicitations */ 203 u_quad_t ifs6_in_routersolicit; 204 /* ipv6IfIcmpInRouterAdvertisements, # of input router advertisements */ 205 u_quad_t ifs6_in_routeradvert; 206 /* ipv6IfIcmpInNeighborSolicits, # of input neighbor solicitations */ 207 u_quad_t ifs6_in_neighborsolicit; 208 /* ipv6IfIcmpInNeighborAdvertisements, # of input neighbor advertisements */ 209 u_quad_t ifs6_in_neighboradvert; 210 /* ipv6IfIcmpInRedirects, # of input redirects */ 211 u_quad_t ifs6_in_redirect; 212 /* ipv6IfIcmpInGroupMembQueries, # of input MLD queries */ 213 u_quad_t ifs6_in_mldquery; 214 /* ipv6IfIcmpInGroupMembResponses, # of input MLD reports */ 215 u_quad_t ifs6_in_mldreport; 216 /* ipv6IfIcmpInGroupMembReductions, # of input MLD done */ 217 u_quad_t ifs6_in_mlddone; 218 219 /* 220 * Output statistics. We should solve unresolved routing problem... 221 */ 222 /* ipv6IfIcmpOutMsgs, total # of output messages */ 223 u_quad_t ifs6_out_msg; 224 /* ipv6IfIcmpOutErrors, # of output error messages */ 225 u_quad_t ifs6_out_error; 226 /* ipv6IfIcmpOutDestUnreachs, # of output dest unreach errors */ 227 u_quad_t ifs6_out_dstunreach; 228 /* ipv6IfIcmpOutAdminProhibs, # of output administratively prohibited errs */ 229 u_quad_t ifs6_out_adminprohib; 230 /* ipv6IfIcmpOutTimeExcds, # of output time exceeded errors */ 231 u_quad_t ifs6_out_timeexceed; 232 /* ipv6IfIcmpOutParmProblems, # of output parameter problem errors */ 233 u_quad_t ifs6_out_paramprob; 234 /* ipv6IfIcmpOutPktTooBigs, # of output packet too big errors */ 235 u_quad_t ifs6_out_pkttoobig; 236 /* ipv6IfIcmpOutEchos, # of output echo requests */ 237 u_quad_t ifs6_out_echo; 238 /* ipv6IfIcmpOutEchoReplies, # of output echo replies */ 239 u_quad_t ifs6_out_echoreply; 240 /* ipv6IfIcmpOutRouterSolicits, # of output router solicitations */ 241 u_quad_t ifs6_out_routersolicit; 242 /* ipv6IfIcmpOutRouterAdvertisements, # of output router advertisements */ 243 u_quad_t ifs6_out_routeradvert; 244 /* ipv6IfIcmpOutNeighborSolicits, # of output neighbor solicitations */ 245 u_quad_t ifs6_out_neighborsolicit; 246 /* ipv6IfIcmpOutNeighborAdvertisements, # of output neighbor advertisements */ 247 u_quad_t ifs6_out_neighboradvert; 248 /* ipv6IfIcmpOutRedirects, # of output redirects */ 249 u_quad_t ifs6_out_redirect; 250 /* ipv6IfIcmpOutGroupMembQueries, # of output MLD queries */ 251 u_quad_t ifs6_out_mldquery; 252 /* ipv6IfIcmpOutGroupMembResponses, # of output MLD reports */ 253 u_quad_t ifs6_out_mldreport; 254 /* ipv6IfIcmpOutGroupMembReductions, # of output MLD done */ 255 u_quad_t ifs6_out_mlddone; 256 }; 257 258 /* 259 * If you make changes that change the size of in6_ifreq, 260 * make sure you fix compat/netinet6/in6_var.h 261 */ 262 struct in6_ifreq { 263 char ifr_name[IFNAMSIZ]; 264 union { 265 struct sockaddr_in6 ifru_addr; 266 struct sockaddr_in6 ifru_dstaddr; 267 short ifru_flags; 268 int ifru_flags6; 269 int ifru_metric; 270 void * ifru_data; 271 struct in6_addrlifetime ifru_lifetime; 272 struct in6_ifstat ifru_stat; 273 struct icmp6_ifstat ifru_icmp6stat; 274 } ifr_ifru; 275 }; 276 277 struct in6_aliasreq { 278 char ifra_name[IFNAMSIZ]; 279 struct sockaddr_in6 ifra_addr; 280 struct sockaddr_in6 ifra_dstaddr; 281 struct sockaddr_in6 ifra_prefixmask; 282 int ifra_flags; 283 struct in6_addrlifetime ifra_lifetime; 284 }; 285 286 /* prefix type macro */ 287 #define IN6_PREFIX_ND 1 288 #define IN6_PREFIX_RR 2 289 290 /* 291 * prefix related flags passed between kernel(NDP related part) and 292 * user land command(ifconfig) and daemon(rtadvd). 293 * Note: We originally intended to use prf_ra{} only within in6_prflags{}, but 294 * it was (probably unintentionally) used in nd6.h as well. Since C++ does 295 * not allow such a reference, prf_ra{} was then moved outside. In general, 296 * however, this structure should not be used directly. 297 */ 298 struct prf_ra { 299 u_int32_t onlink : 1; 300 u_int32_t autonomous : 1; 301 u_int32_t router : 1; 302 u_int32_t reserved : 5; 303 }; 304 305 struct in6_prflags { 306 struct prf_ra prf_ra; 307 u_char prf_reserved1; 308 u_short prf_reserved2; 309 /* want to put this on 4byte offset */ 310 struct prf_rr { 311 u_int32_t decrvalid : 1; 312 u_int32_t decrprefd : 1; 313 u_int32_t reserved : 6; 314 } prf_rr; 315 u_char prf_reserved3; 316 u_short prf_reserved4; 317 }; 318 319 struct in6_prefixreq { 320 char ipr_name[IFNAMSIZ]; 321 u_char ipr_origin; 322 u_char ipr_plen; 323 u_int32_t ipr_vltime; 324 u_int32_t ipr_pltime; 325 struct in6_prflags ipr_flags; 326 struct sockaddr_in6 ipr_prefix; 327 }; 328 329 #define PR_ORIG_RA 0 330 #define PR_ORIG_RR 1 331 #define PR_ORIG_STATIC 2 332 #define PR_ORIG_KERNEL 3 333 334 #define ipr_raf_onlink ipr_flags.prf_ra.onlink 335 #define ipr_raf_auto ipr_flags.prf_ra.autonomous 336 337 #define ipr_statef_onlink ipr_flags.prf_state.onlink 338 339 #define ipr_rrf_decrvalid ipr_flags.prf_rr.decrvalid 340 #define ipr_rrf_decrprefd ipr_flags.prf_rr.decrprefd 341 342 struct in6_rrenumreq { 343 char irr_name[IFNAMSIZ]; 344 u_char irr_origin; 345 u_char irr_m_len; /* match len for matchprefix */ 346 u_char irr_m_minlen; /* minlen for matching prefix */ 347 u_char irr_m_maxlen; /* maxlen for matching prefix */ 348 u_char irr_u_uselen; /* uselen for adding prefix */ 349 u_char irr_u_keeplen; /* keeplen from matching prefix */ 350 struct irr_raflagmask { 351 u_int32_t onlink : 1; 352 u_int32_t autonomous : 1; 353 u_int32_t reserved : 6; 354 } irr_raflagmask; 355 u_int32_t irr_vltime; 356 u_int32_t irr_pltime; 357 struct in6_prflags irr_flags; 358 struct sockaddr_in6 irr_matchprefix; 359 struct sockaddr_in6 irr_useprefix; 360 }; 361 362 #define irr_raf_mask_onlink irr_raflagmask.onlink 363 #define irr_raf_mask_auto irr_raflagmask.autonomous 364 #define irr_raf_mask_reserved irr_raflagmask.reserved 365 366 #define irr_raf_onlink irr_flags.prf_ra.onlink 367 #define irr_raf_auto irr_flags.prf_ra.autonomous 368 369 #define irr_statef_onlink irr_flags.prf_state.onlink 370 371 #define irr_rrf irr_flags.prf_rr 372 #define irr_rrf_decrvalid irr_flags.prf_rr.decrvalid 373 #define irr_rrf_decrprefd irr_flags.prf_rr.decrprefd 374 375 /* 376 * Given a pointer to an in6_ifaddr (ifaddr), 377 * return a pointer to the addr as a sockaddr_in6 378 */ 379 #define IA6_IN6(ia) (&((ia)->ia_addr.sin6_addr)) 380 #define IA6_DSTIN6(ia) (&((ia)->ia_dstaddr.sin6_addr)) 381 #define IA6_MASKIN6(ia) (&((ia)->ia_prefixmask.sin6_addr)) 382 #define IA6_SIN6(ia) (&((ia)->ia_addr)) 383 #define IA6_DSTSIN6(ia) (&((ia)->ia_dstaddr)) 384 #define IFA_IN6(x) (&((struct sockaddr_in6 *)((x)->ifa_addr))->sin6_addr) 385 #define IFA_DSTIN6(x) (&((struct sockaddr_in6 *)((x)->ifa_dstaddr))->sin6_addr) 386 387 #ifdef _KERNEL 388 #define IN6_ARE_MASKED_ADDR_EQUAL(d, a, m) ( \ 389 (((d)->s6_addr32[0] ^ (a)->s6_addr32[0]) & (m)->s6_addr32[0]) == 0 && \ 390 (((d)->s6_addr32[1] ^ (a)->s6_addr32[1]) & (m)->s6_addr32[1]) == 0 && \ 391 (((d)->s6_addr32[2] ^ (a)->s6_addr32[2]) & (m)->s6_addr32[2]) == 0 && \ 392 (((d)->s6_addr32[3] ^ (a)->s6_addr32[3]) & (m)->s6_addr32[3]) == 0 ) 393 #endif 394 395 #define SIOCSIFADDR_IN6 _IOW('i', 12, struct in6_ifreq) 396 #define SIOCGIFADDR_IN6 _IOWR('i', 33, struct in6_ifreq) 397 398 #ifdef _KERNEL 399 /* 400 * SIOCSxxx ioctls should be unused (see comments in in6.c), but 401 * we do not shift numbers for binary compatibility. 402 */ 403 #define SIOCSIFDSTADDR_IN6 _IOW('i', 14, struct in6_ifreq) 404 #define SIOCSIFNETMASK_IN6 _IOW('i', 22, struct in6_ifreq) 405 #endif 406 407 #define SIOCGIFDSTADDR_IN6 _IOWR('i', 34, struct in6_ifreq) 408 #define SIOCGIFNETMASK_IN6 _IOWR('i', 37, struct in6_ifreq) 409 410 #define SIOCDIFADDR_IN6 _IOW('i', 25, struct in6_ifreq) 411 /* 26 was OSIOCAIFADDR_IN6 */ 412 413 /* 70 was OSIOCSIFPHYADDR_IN6 */ 414 #define SIOCGIFPSRCADDR_IN6 _IOWR('i', 71, struct in6_ifreq) 415 #define SIOCGIFPDSTADDR_IN6 _IOWR('i', 72, struct in6_ifreq) 416 417 #define SIOCGIFAFLAG_IN6 _IOWR('i', 73, struct in6_ifreq) 418 419 #define SIOCGDRLST_IN6 _IOWR('i', 74, struct in6_drlist) 420 #define SIOCGPRLST_IN6 _IOWR('i', 75, struct in6_oprlist) 421 #ifdef _KERNEL 422 #define OSIOCGIFINFO_IN6 _IOWR('i', 76, struct in6_ondireq) 423 #endif 424 #define SIOCSNDFLUSH_IN6 _IOWR('i', 77, struct in6_ifreq) 425 #define SIOCGNBRINFO_IN6 _IOWR('i', 78, struct in6_nbrinfo) 426 #define SIOCSPFXFLUSH_IN6 _IOWR('i', 79, struct in6_ifreq) 427 #define SIOCSRTRFLUSH_IN6 _IOWR('i', 80, struct in6_ifreq) 428 /* 81 was old SIOCGIFALIFETIME_IN6 */ 429 #if 0 430 /* withdrawn - do not reuse number 82 */ 431 #define SIOCSIFALIFETIME_IN6 _IOWR('i', 82, struct in6_ifreq) 432 #endif 433 #define SIOCGIFSTAT_IN6 _IOWR('i', 83, struct in6_ifreq) 434 #define SIOCGIFSTAT_ICMP6 _IOWR('i', 84, struct in6_ifreq) 435 436 #define SIOCSDEFIFACE_IN6 _IOWR('i', 85, struct in6_ndifreq) 437 #define SIOCGDEFIFACE_IN6 _IOWR('i', 86, struct in6_ndifreq) 438 439 #define SIOCSIFINFO_FLAGS _IOWR('i', 87, struct in6_ndireq) /* XXX */ 440 441 #define SIOCSIFPREFIX_IN6 _IOW('i', 100, struct in6_prefixreq) /* set */ 442 #define SIOCGIFPREFIX_IN6 _IOWR('i', 101, struct in6_prefixreq) /* get */ 443 #define SIOCDIFPREFIX_IN6 _IOW('i', 102, struct in6_prefixreq) /* del */ 444 #define SIOCAIFPREFIX_IN6 _IOW('i', 103, struct in6_rrenumreq) /* add */ 445 #define SIOCCIFPREFIX_IN6 _IOW('i', 104, \ 446 struct in6_rrenumreq) /* change */ 447 #define SIOCSGIFPREFIX_IN6 _IOW('i', 105, \ 448 struct in6_rrenumreq) /* set global */ 449 #define SIOCGIFALIFETIME_IN6 _IOWR('i', 106, struct in6_ifreq) 450 #define SIOCAIFADDR_IN6 _IOW('i', 107, struct in6_aliasreq) 451 #define SIOCGIFINFO_IN6 _IOWR('i', 108, struct in6_ndireq) 452 #define SIOCSIFINFO_IN6 _IOWR('i', 109, struct in6_ndireq) 453 #define SIOCSIFPHYADDR_IN6 _IOW('i', 110, struct in6_aliasreq) 454 455 456 /* XXX: Someone decided to switch to 'u' here for unknown reasons! */ 457 #define SIOCGETSGCNT_IN6 _IOWR('u', 106, \ 458 struct sioc_sg_req6) /* get s,g pkt cnt */ 459 #define SIOCGETMIFCNT_IN6 _IOWR('u', 107, \ 460 struct sioc_mif_req6) /* get pkt cnt per if */ 461 #define SIOCAADDRCTL_POLICY _IOW('u', 108, struct in6_addrpolicy) 462 #define SIOCDADDRCTL_POLICY _IOW('u', 109, struct in6_addrpolicy) 463 464 #define IN6_IFF_ANYCAST 0x01 /* anycast address */ 465 #define IN6_IFF_TENTATIVE 0x02 /* tentative address */ 466 #define IN6_IFF_DUPLICATED 0x04 /* DAD detected duplicate */ 467 #define IN6_IFF_DETACHED 0x08 /* may be detached from the link */ 468 #define IN6_IFF_DEPRECATED 0x10 /* deprecated address */ 469 #define IN6_IFF_NODAD 0x20 /* don't perform DAD on this address 470 * (used only at first SIOC* call) 471 */ 472 #define IN6_IFF_AUTOCONF 0x40 /* autoconfigurable address. */ 473 #define IN6_IFF_TEMPORARY 0x80 /* temporary (anonymous) address. */ 474 475 /* do not input/output */ 476 #define IN6_IFF_NOTREADY (IN6_IFF_TENTATIVE|IN6_IFF_DUPLICATED) 477 478 #ifdef _KERNEL 479 #define IN6_ARE_SCOPE_CMP(a,b) ((a)-(b)) 480 #define IN6_ARE_SCOPE_EQUAL(a,b) ((a)==(b)) 481 #endif 482 483 #ifdef _KERNEL 484 485 #include <net/pktqueue.h> 486 487 extern pktqueue_t *ip6_pktq; 488 489 MALLOC_DECLARE(M_IP6OPT); 490 491 extern struct in6_ifaddr *in6_ifaddr; 492 493 #define in6_ifstat_inc(ifp, tag) \ 494 do { \ 495 if (ifp) \ 496 ((struct in6_ifextra *)((ifp)->if_afdata[AF_INET6]))->in6_ifstat->tag++; \ 497 } while (/*CONSTCOND*/ 0) 498 499 extern const struct in6_addr zeroin6_addr; 500 extern const u_char inet6ctlerrmap[]; 501 extern unsigned long in6_maxmtu; 502 extern bool in6_present; 503 504 /* 505 * Macro for finding the internet address structure (in6_ifaddr) corresponding 506 * to a given interface (ifnet structure). 507 */ 508 static inline struct in6_ifaddr * 509 ifp_to_ia6(struct ifnet *ifp) 510 { 511 struct ifaddr *ifa; 512 513 IFADDR_FOREACH(ifa, ifp) { 514 if (ifa->ifa_addr == NULL) 515 continue; 516 if (ifa->ifa_addr->sa_family == AF_INET6) 517 break; 518 } 519 return (struct in6_ifaddr *)ifa; 520 } 521 522 #define IFP_TO_IA6(__ifp, __ia) \ 523 do { \ 524 (__ia) = ifp_to_ia6((__ifp)); \ 525 } while (/*CONSTCOND*/0) 526 527 528 #endif /* _KERNEL */ 529 530 /* 531 * Multi-cast membership entry. One for each group/ifp that a PCB 532 * belongs to. 533 */ 534 struct in6_multi_mship { 535 struct in6_multi *i6mm_maddr; /* Multicast address pointer */ 536 LIST_ENTRY(in6_multi_mship) i6mm_chain; /* multicast options chain */ 537 }; 538 539 struct in6_multi { 540 LIST_ENTRY(in6_multi) in6m_entry; /* list glue */ 541 struct in6_addr in6m_addr; /* IP6 multicast address */ 542 struct ifnet *in6m_ifp; /* back pointer to ifnet */ 543 struct in6_ifaddr *in6m_ia; /* back pointer to in6_ifaddr */ 544 u_int in6m_refcount; /* # membership claims by sockets */ 545 u_int in6m_state; /* state of the membership */ 546 int in6m_timer; /* delay to send the 1st report */ 547 struct timeval in6m_timer_expire; /* when the timer expires */ 548 callout_t in6m_timer_ch; 549 }; 550 551 #define IN6M_TIMER_UNDEF -1 552 553 554 #ifdef _KERNEL 555 /* flags to in6_update_ifa */ 556 #define IN6_IFAUPDATE_DADDELAY 0x1 /* first time to configure an address */ 557 558 /* 559 * Structure used by macros below to remember position when stepping through 560 * all of the in6_multi records. 561 */ 562 struct in6_multistep { 563 struct in6_ifaddr *i_ia; 564 struct in6_multi *i_in6m; 565 }; 566 567 /* 568 * Macros for looking up the in6_multi record for a given IP6 multicast 569 * address on a given interface. If no matching record is found, "in6m" 570 * returns NULL. 571 */ 572 573 static inline struct in6_multi * 574 in6_lookup_multi(struct in6_addr *addr, struct ifnet *ifp) 575 { 576 struct in6_multi *in6m; 577 struct in6_ifaddr *ia; 578 579 if ((ia = ifp_to_ia6(ifp)) == NULL) 580 return NULL; 581 LIST_FOREACH(in6m, &ia->ia6_multiaddrs, in6m_entry) { 582 if (IN6_ARE_ADDR_EQUAL(&in6m->in6m_addr, addr)) 583 break; 584 } 585 return in6m; 586 } 587 588 #define IN6_LOOKUP_MULTI(__addr, __ifp, __in6m) \ 589 /* struct in6_addr __addr; */ \ 590 /* struct ifnet *__ifp; */ \ 591 /* struct in6_multi *__in6m; */ \ 592 do { \ 593 (__in6m) = in6_lookup_multi(&(__addr), (__ifp)); \ 594 } while (/*CONSTCOND*/ 0) 595 596 /* 597 * Macro to step through all of the in6_multi records, one at a time. 598 * The current position is remembered in "step", which the caller must 599 * provide. IN6_FIRST_MULTI(), below, must be called to initialize "step" 600 * and get the first record. Both macros return a NULL "in6m" when there 601 * are no remaining records. 602 */ 603 static inline struct in6_multi * 604 in6_next_multi(struct in6_multistep *step) 605 { 606 struct in6_multi *in6m; 607 608 if ((in6m = step->i_in6m) != NULL) { 609 step->i_in6m = LIST_NEXT(in6m, in6m_entry); 610 return in6m; 611 } 612 while (step->i_ia != NULL) { 613 in6m = LIST_FIRST(&step->i_ia->ia6_multiaddrs); 614 step->i_ia = step->i_ia->ia_next; 615 if (in6m != NULL) { 616 step->i_in6m = LIST_NEXT(in6m, in6m_entry); 617 break; 618 } 619 } 620 return in6m; 621 } 622 623 static inline struct in6_multi * 624 in6_first_multi(struct in6_multistep *step) 625 { 626 step->i_ia = in6_ifaddr; 627 step->i_in6m = NULL; 628 return in6_next_multi(step); 629 } 630 631 #define IN6_NEXT_MULTI(__step, __in6m) \ 632 /* struct in6_multistep __step; */ \ 633 /* struct in6_multi *__in6m; */ \ 634 do { \ 635 (__in6m) = in6_next_multi(&(__step)); \ 636 } while (/*CONSTCOND*/ 0) 637 638 #define IN6_FIRST_MULTI(__step, __in6m) \ 639 /* struct in6_multistep __step; */ \ 640 /* struct in6_multi *__in6m */ \ 641 do { \ 642 (__in6m) = in6_first_multi(&(__step)); \ 643 } while (/*CONSTCOND*/ 0) 644 645 646 #if 0 647 /* 648 * Macros for looking up the in6_multi_mship record for a given IP6 multicast 649 * address on a given interface. If no matching record is found, "imm" 650 * returns NULL. 651 */ 652 static inline struct in6_multi_mship * 653 in6_lookup_mship(struct in6_addr *addr, struct ifnet *ifp, 654 struct ip6_moptions *imop) 655 { 656 struct in6_multi_mship *imm; 657 658 LIST_FOREACH(imm, &imop->im6o_memberships, i6mm_chain) { 659 if (imm->i6mm_maddr->in6m_ifp != ifp) 660 continue; 661 if (IN6_ARE_ADDR_EQUAL(&imm->i6mm_maddr->in6m_addr, 662 addr)) 663 break; 664 } 665 return imm; 666 } 667 668 #define IN6_LOOKUP_MSHIP(__addr, __ifp, __imop, __imm) \ 669 /* struct in6_addr __addr; */ \ 670 /* struct ifnet *__ifp; */ \ 671 /* struct ip6_moptions *__imop */ \ 672 /* struct in6_multi_mship *__imm; */ \ 673 do { \ 674 (__imm) = in6_lookup_mship(&(__addr), (__ifp), (__imop)); \ 675 } while (/*CONSTCOND*/ 0) 676 #endif 677 678 struct in6_multi *in6_addmulti(struct in6_addr *, struct ifnet *, 679 int *, int); 680 void in6_delmulti(struct in6_multi *); 681 struct in6_multi_mship *in6_joingroup(struct ifnet *, struct in6_addr *, 682 int *, int); 683 int in6_leavegroup(struct in6_multi_mship *); 684 int in6_mask2len(struct in6_addr *, u_char *); 685 int in6_control(struct socket *, u_long, void *, struct ifnet *); 686 int in6_update_ifa(struct ifnet *, struct in6_aliasreq *, 687 struct in6_ifaddr *, int); 688 void in6_purgeaddr(struct ifaddr *); 689 void in6_purgeif(struct ifnet *); 690 void in6_savemkludge(struct in6_ifaddr *); 691 void in6_setmaxmtu (void); 692 int in6_if2idlen (struct ifnet *); 693 void *in6_domifattach(struct ifnet *); 694 void in6_domifdetach(struct ifnet *, void *); 695 void in6_restoremkludge(struct in6_ifaddr *, struct ifnet *); 696 void in6_ifremlocal(struct ifaddr *); 697 void in6_ifaddlocal(struct ifaddr *); 698 void in6_createmkludge(struct ifnet *); 699 void in6_purgemkludge(struct ifnet *); 700 struct in6_ifaddr *in6ifa_ifpforlinklocal(const struct ifnet *, int); 701 struct in6_ifaddr *in6ifa_ifpwithaddr(const struct ifnet *, 702 const struct in6_addr *); 703 char *ip6_sprintf(const struct in6_addr *); 704 int in6_matchlen(struct in6_addr *, struct in6_addr *); 705 int in6_are_prefix_equal(struct in6_addr *, struct in6_addr *, int); 706 void in6_prefixlen2mask(struct in6_addr *, int); 707 void in6_purgeprefix(struct ifnet *); 708 709 int ip6flow_fastforward(struct mbuf **); /* IPv6 fast forward routine */ 710 711 int in6_src_ioctl(u_long, void *); 712 int in6_is_addr_deprecated(struct sockaddr_in6 *); 713 struct in6pcb; 714 #endif /* _KERNEL */ 715 716 #endif /* !_NETINET6_IN6_VAR_H_ */ 717