1 /* $FreeBSD$ */ 2 /* $KAME: in6_var.h,v 1.56 2001/03/29 05:34:31 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 * 4. 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 /* 68 * Interface address, Internet version. One of these structures 69 * is allocated for each interface with an Internet address. 70 * The ifaddr structure contains the protocol-independent part 71 * of the structure and is assumed to be first. 72 */ 73 74 /* 75 * pltime/vltime are just for future reference (required to implements 2 76 * hour rule for hosts). they should never be modified by nd6_timeout or 77 * anywhere else. 78 * userland -> kernel: accept pltime/vltime 79 * kernel -> userland: throw up everything 80 * in kernel: modify preferred/expire only 81 */ 82 struct in6_addrlifetime { 83 time_t ia6t_expire; /* valid lifetime expiration time */ 84 time_t ia6t_preferred; /* preferred lifetime expiration time */ 85 u_int32_t ia6t_vltime; /* valid lifetime */ 86 u_int32_t ia6t_pltime; /* prefix lifetime */ 87 }; 88 89 struct nd_ifinfo; 90 struct scope6_id; 91 struct in6_ifextra { 92 struct in6_ifstat *in6_ifstat; 93 struct icmp6_ifstat *icmp6_ifstat; 94 struct nd_ifinfo *nd_ifinfo; 95 struct scope6_id *scope6_id; 96 }; 97 98 struct in6_ifaddr { 99 struct ifaddr ia_ifa; /* protocol-independent info */ 100 #define ia_ifp ia_ifa.ifa_ifp 101 #define ia_flags ia_ifa.ifa_flags 102 struct sockaddr_in6 ia_addr; /* interface address */ 103 struct sockaddr_in6 ia_net; /* network number of interface */ 104 struct sockaddr_in6 ia_dstaddr; /* space for destination addr */ 105 struct sockaddr_in6 ia_prefixmask; /* prefix mask */ 106 u_int32_t ia_plen; /* prefix length */ 107 struct in6_ifaddr *ia_next; /* next in6 list of IP6 addresses */ 108 int ia6_flags; 109 110 struct in6_addrlifetime ia6_lifetime; 111 time_t ia6_createtime; /* the creation time of this address, which is 112 * currently used for temporary addresses only. 113 */ 114 time_t ia6_updatetime; 115 116 /* back pointer to the ND prefix (for autoconfigured addresses only) */ 117 struct nd_prefix *ia6_ndpr; 118 }; 119 120 /* control structure to manage address selection policy */ 121 struct in6_addrpolicy { 122 struct sockaddr_in6 addr; /* prefix address */ 123 struct sockaddr_in6 addrmask; /* prefix mask */ 124 int preced; /* precedence */ 125 int label; /* matching label */ 126 u_quad_t use; /* statistics */ 127 }; 128 129 /* 130 * IPv6 interface statistics, as defined in RFC2465 Ipv6IfStatsEntry (p12). 131 */ 132 struct in6_ifstat { 133 u_quad_t ifs6_in_receive; /* # of total input datagram */ 134 u_quad_t ifs6_in_hdrerr; /* # of datagrams with invalid hdr */ 135 u_quad_t ifs6_in_toobig; /* # of datagrams exceeded MTU */ 136 u_quad_t ifs6_in_noroute; /* # of datagrams with no route */ 137 u_quad_t ifs6_in_addrerr; /* # of datagrams with invalid dst */ 138 u_quad_t ifs6_in_protounknown; /* # of datagrams with unknown proto */ 139 /* NOTE: increment on final dst if */ 140 u_quad_t ifs6_in_truncated; /* # of truncated datagrams */ 141 u_quad_t ifs6_in_discard; /* # of discarded datagrams */ 142 /* NOTE: fragment timeout is not here */ 143 u_quad_t ifs6_in_deliver; /* # of datagrams delivered to ULP */ 144 /* NOTE: increment on final dst if */ 145 u_quad_t ifs6_out_forward; /* # of datagrams forwarded */ 146 /* NOTE: increment on outgoing if */ 147 u_quad_t ifs6_out_request; /* # of outgoing datagrams from ULP */ 148 /* NOTE: does not include forwrads */ 149 u_quad_t ifs6_out_discard; /* # of discarded datagrams */ 150 u_quad_t ifs6_out_fragok; /* # of datagrams fragmented */ 151 u_quad_t ifs6_out_fragfail; /* # of datagrams failed on fragment */ 152 u_quad_t ifs6_out_fragcreat; /* # of fragment datagrams */ 153 /* NOTE: this is # after fragment */ 154 u_quad_t ifs6_reass_reqd; /* # of incoming fragmented packets */ 155 /* NOTE: increment on final dst if */ 156 u_quad_t ifs6_reass_ok; /* # of reassembled packets */ 157 /* NOTE: this is # after reass */ 158 /* NOTE: increment on final dst if */ 159 u_quad_t ifs6_reass_fail; /* # of reass failures */ 160 /* NOTE: may not be packet count */ 161 /* NOTE: increment on final dst if */ 162 u_quad_t ifs6_in_mcast; /* # of inbound multicast datagrams */ 163 u_quad_t ifs6_out_mcast; /* # of outbound multicast datagrams */ 164 }; 165 166 /* 167 * ICMPv6 interface statistics, as defined in RFC2466 Ipv6IfIcmpEntry. 168 * XXX: I'm not sure if this file is the right place for this structure... 169 */ 170 struct icmp6_ifstat { 171 /* 172 * Input statistics 173 */ 174 /* ipv6IfIcmpInMsgs, total # of input messages */ 175 u_quad_t ifs6_in_msg; 176 /* ipv6IfIcmpInErrors, # of input error messages */ 177 u_quad_t ifs6_in_error; 178 /* ipv6IfIcmpInDestUnreachs, # of input dest unreach errors */ 179 u_quad_t ifs6_in_dstunreach; 180 /* ipv6IfIcmpInAdminProhibs, # of input administratively prohibited errs */ 181 u_quad_t ifs6_in_adminprohib; 182 /* ipv6IfIcmpInTimeExcds, # of input time exceeded errors */ 183 u_quad_t ifs6_in_timeexceed; 184 /* ipv6IfIcmpInParmProblems, # of input parameter problem errors */ 185 u_quad_t ifs6_in_paramprob; 186 /* ipv6IfIcmpInPktTooBigs, # of input packet too big errors */ 187 u_quad_t ifs6_in_pkttoobig; 188 /* ipv6IfIcmpInEchos, # of input echo requests */ 189 u_quad_t ifs6_in_echo; 190 /* ipv6IfIcmpInEchoReplies, # of input echo replies */ 191 u_quad_t ifs6_in_echoreply; 192 /* ipv6IfIcmpInRouterSolicits, # of input router solicitations */ 193 u_quad_t ifs6_in_routersolicit; 194 /* ipv6IfIcmpInRouterAdvertisements, # of input router advertisements */ 195 u_quad_t ifs6_in_routeradvert; 196 /* ipv6IfIcmpInNeighborSolicits, # of input neighbor solicitations */ 197 u_quad_t ifs6_in_neighborsolicit; 198 /* ipv6IfIcmpInNeighborAdvertisements, # of input neighbor advertisements */ 199 u_quad_t ifs6_in_neighboradvert; 200 /* ipv6IfIcmpInRedirects, # of input redirects */ 201 u_quad_t ifs6_in_redirect; 202 /* ipv6IfIcmpInGroupMembQueries, # of input MLD queries */ 203 u_quad_t ifs6_in_mldquery; 204 /* ipv6IfIcmpInGroupMembResponses, # of input MLD reports */ 205 u_quad_t ifs6_in_mldreport; 206 /* ipv6IfIcmpInGroupMembReductions, # of input MLD done */ 207 u_quad_t ifs6_in_mlddone; 208 209 /* 210 * Output statistics. We should solve unresolved routing problem... 211 */ 212 /* ipv6IfIcmpOutMsgs, total # of output messages */ 213 u_quad_t ifs6_out_msg; 214 /* ipv6IfIcmpOutErrors, # of output error messages */ 215 u_quad_t ifs6_out_error; 216 /* ipv6IfIcmpOutDestUnreachs, # of output dest unreach errors */ 217 u_quad_t ifs6_out_dstunreach; 218 /* ipv6IfIcmpOutAdminProhibs, # of output administratively prohibited errs */ 219 u_quad_t ifs6_out_adminprohib; 220 /* ipv6IfIcmpOutTimeExcds, # of output time exceeded errors */ 221 u_quad_t ifs6_out_timeexceed; 222 /* ipv6IfIcmpOutParmProblems, # of output parameter problem errors */ 223 u_quad_t ifs6_out_paramprob; 224 /* ipv6IfIcmpOutPktTooBigs, # of output packet too big errors */ 225 u_quad_t ifs6_out_pkttoobig; 226 /* ipv6IfIcmpOutEchos, # of output echo requests */ 227 u_quad_t ifs6_out_echo; 228 /* ipv6IfIcmpOutEchoReplies, # of output echo replies */ 229 u_quad_t ifs6_out_echoreply; 230 /* ipv6IfIcmpOutRouterSolicits, # of output router solicitations */ 231 u_quad_t ifs6_out_routersolicit; 232 /* ipv6IfIcmpOutRouterAdvertisements, # of output router advertisements */ 233 u_quad_t ifs6_out_routeradvert; 234 /* ipv6IfIcmpOutNeighborSolicits, # of output neighbor solicitations */ 235 u_quad_t ifs6_out_neighborsolicit; 236 /* ipv6IfIcmpOutNeighborAdvertisements, # of output neighbor advertisements */ 237 u_quad_t ifs6_out_neighboradvert; 238 /* ipv6IfIcmpOutRedirects, # of output redirects */ 239 u_quad_t ifs6_out_redirect; 240 /* ipv6IfIcmpOutGroupMembQueries, # of output MLD queries */ 241 u_quad_t ifs6_out_mldquery; 242 /* ipv6IfIcmpOutGroupMembResponses, # of output MLD reports */ 243 u_quad_t ifs6_out_mldreport; 244 /* ipv6IfIcmpOutGroupMembReductions, # of output MLD done */ 245 u_quad_t ifs6_out_mlddone; 246 }; 247 248 struct in6_ifreq { 249 char ifr_name[IFNAMSIZ]; 250 union { 251 struct sockaddr_in6 ifru_addr; 252 struct sockaddr_in6 ifru_dstaddr; 253 int ifru_flags; 254 int ifru_flags6; 255 int ifru_metric; 256 caddr_t ifru_data; 257 struct in6_addrlifetime ifru_lifetime; 258 struct in6_ifstat ifru_stat; 259 struct icmp6_ifstat ifru_icmp6stat; 260 u_int32_t ifru_scope_id[16]; 261 } ifr_ifru; 262 }; 263 264 struct in6_aliasreq { 265 char ifra_name[IFNAMSIZ]; 266 struct sockaddr_in6 ifra_addr; 267 struct sockaddr_in6 ifra_dstaddr; 268 struct sockaddr_in6 ifra_prefixmask; 269 int ifra_flags; 270 struct in6_addrlifetime ifra_lifetime; 271 }; 272 273 /* prefix type macro */ 274 #define IN6_PREFIX_ND 1 275 #define IN6_PREFIX_RR 2 276 277 /* 278 * prefix related flags passed between kernel(NDP related part) and 279 * user land command(ifconfig) and daemon(rtadvd). 280 */ 281 struct in6_prflags { 282 struct prf_ra { 283 u_char onlink : 1; 284 u_char autonomous : 1; 285 u_char reserved : 6; 286 } prf_ra; 287 u_char prf_reserved1; 288 u_short prf_reserved2; 289 /* want to put this on 4byte offset */ 290 struct prf_rr { 291 u_char decrvalid : 1; 292 u_char decrprefd : 1; 293 u_char reserved : 6; 294 } prf_rr; 295 u_char prf_reserved3; 296 u_short prf_reserved4; 297 }; 298 299 struct in6_prefixreq { 300 char ipr_name[IFNAMSIZ]; 301 u_char ipr_origin; 302 u_char ipr_plen; 303 u_int32_t ipr_vltime; 304 u_int32_t ipr_pltime; 305 struct in6_prflags ipr_flags; 306 struct sockaddr_in6 ipr_prefix; 307 }; 308 309 #define PR_ORIG_RA 0 310 #define PR_ORIG_RR 1 311 #define PR_ORIG_STATIC 2 312 #define PR_ORIG_KERNEL 3 313 314 #define ipr_raf_onlink ipr_flags.prf_ra.onlink 315 #define ipr_raf_auto ipr_flags.prf_ra.autonomous 316 317 #define ipr_statef_onlink ipr_flags.prf_state.onlink 318 319 #define ipr_rrf_decrvalid ipr_flags.prf_rr.decrvalid 320 #define ipr_rrf_decrprefd ipr_flags.prf_rr.decrprefd 321 322 struct in6_rrenumreq { 323 char irr_name[IFNAMSIZ]; 324 u_char irr_origin; 325 u_char irr_m_len; /* match len for matchprefix */ 326 u_char irr_m_minlen; /* minlen for matching prefix */ 327 u_char irr_m_maxlen; /* maxlen for matching prefix */ 328 u_char irr_u_uselen; /* uselen for adding prefix */ 329 u_char irr_u_keeplen; /* keeplen from matching prefix */ 330 struct irr_raflagmask { 331 u_char onlink : 1; 332 u_char autonomous : 1; 333 u_char reserved : 6; 334 } irr_raflagmask; 335 u_int32_t irr_vltime; 336 u_int32_t irr_pltime; 337 struct in6_prflags irr_flags; 338 struct sockaddr_in6 irr_matchprefix; 339 struct sockaddr_in6 irr_useprefix; 340 }; 341 342 #define irr_raf_mask_onlink irr_raflagmask.onlink 343 #define irr_raf_mask_auto irr_raflagmask.autonomous 344 #define irr_raf_mask_reserved irr_raflagmask.reserved 345 346 #define irr_raf_onlink irr_flags.prf_ra.onlink 347 #define irr_raf_auto irr_flags.prf_ra.autonomous 348 349 #define irr_statef_onlink irr_flags.prf_state.onlink 350 351 #define irr_rrf irr_flags.prf_rr 352 #define irr_rrf_decrvalid irr_flags.prf_rr.decrvalid 353 #define irr_rrf_decrprefd irr_flags.prf_rr.decrprefd 354 355 /* 356 * Given a pointer to an in6_ifaddr (ifaddr), 357 * return a pointer to the addr as a sockaddr_in6 358 */ 359 #define IA6_IN6(ia) (&((ia)->ia_addr.sin6_addr)) 360 #define IA6_DSTIN6(ia) (&((ia)->ia_dstaddr.sin6_addr)) 361 #define IA6_MASKIN6(ia) (&((ia)->ia_prefixmask.sin6_addr)) 362 #define IA6_SIN6(ia) (&((ia)->ia_addr)) 363 #define IA6_DSTSIN6(ia) (&((ia)->ia_dstaddr)) 364 #define IFA_IN6(x) (&((struct sockaddr_in6 *)((x)->ifa_addr))->sin6_addr) 365 #define IFA_DSTIN6(x) (&((struct sockaddr_in6 *)((x)->ifa_dstaddr))->sin6_addr) 366 367 #define IFPR_IN6(x) (&((struct sockaddr_in6 *)((x)->ifpr_prefix))->sin6_addr) 368 369 #ifdef _KERNEL 370 #define IN6_ARE_MASKED_ADDR_EQUAL(d, a, m) ( \ 371 (((d)->s6_addr32[0] ^ (a)->s6_addr32[0]) & (m)->s6_addr32[0]) == 0 && \ 372 (((d)->s6_addr32[1] ^ (a)->s6_addr32[1]) & (m)->s6_addr32[1]) == 0 && \ 373 (((d)->s6_addr32[2] ^ (a)->s6_addr32[2]) & (m)->s6_addr32[2]) == 0 && \ 374 (((d)->s6_addr32[3] ^ (a)->s6_addr32[3]) & (m)->s6_addr32[3]) == 0 ) 375 #endif 376 377 #define SIOCSIFADDR_IN6 _IOW('i', 12, struct in6_ifreq) 378 #define SIOCGIFADDR_IN6 _IOWR('i', 33, struct in6_ifreq) 379 380 #ifdef _KERNEL 381 /* 382 * SIOCSxxx ioctls should be unused (see comments in in6.c), but 383 * we do not shift numbers for binary compatibility. 384 */ 385 #define SIOCSIFDSTADDR_IN6 _IOW('i', 14, struct in6_ifreq) 386 #define SIOCSIFNETMASK_IN6 _IOW('i', 22, struct in6_ifreq) 387 #endif 388 389 #define SIOCGIFDSTADDR_IN6 _IOWR('i', 34, struct in6_ifreq) 390 #define SIOCGIFNETMASK_IN6 _IOWR('i', 37, struct in6_ifreq) 391 392 #define SIOCDIFADDR_IN6 _IOW('i', 25, struct in6_ifreq) 393 #define SIOCAIFADDR_IN6 _IOW('i', 26, struct in6_aliasreq) 394 395 #define SIOCSIFPHYADDR_IN6 _IOW('i', 70, struct in6_aliasreq) 396 #define SIOCGIFPSRCADDR_IN6 _IOWR('i', 71, struct in6_ifreq) 397 #define SIOCGIFPDSTADDR_IN6 _IOWR('i', 72, struct in6_ifreq) 398 399 #define SIOCGIFAFLAG_IN6 _IOWR('i', 73, struct in6_ifreq) 400 401 #define SIOCGDRLST_IN6 _IOWR('i', 74, struct in6_drlist) 402 #ifdef _KERNEL 403 /* XXX: SIOCGPRLST_IN6 is exposed in KAME but in6_oprlist is not. */ 404 #define SIOCGPRLST_IN6 _IOWR('i', 75, struct in6_oprlist) 405 #endif 406 #ifdef _KERNEL 407 #define OSIOCGIFINFO_IN6 _IOWR('i', 76, struct in6_ondireq) 408 #endif 409 #define SIOCGIFINFO_IN6 _IOWR('i', 108, struct in6_ndireq) 410 #define SIOCSIFINFO_IN6 _IOWR('i', 109, struct in6_ndireq) 411 #define SIOCSNDFLUSH_IN6 _IOWR('i', 77, struct in6_ifreq) 412 #define SIOCGNBRINFO_IN6 _IOWR('i', 78, struct in6_nbrinfo) 413 #define SIOCSPFXFLUSH_IN6 _IOWR('i', 79, struct in6_ifreq) 414 #define SIOCSRTRFLUSH_IN6 _IOWR('i', 80, struct in6_ifreq) 415 416 #define SIOCGIFALIFETIME_IN6 _IOWR('i', 81, struct in6_ifreq) 417 #define SIOCSIFALIFETIME_IN6 _IOWR('i', 82, struct in6_ifreq) 418 #define SIOCGIFSTAT_IN6 _IOWR('i', 83, struct in6_ifreq) 419 #define SIOCGIFSTAT_ICMP6 _IOWR('i', 84, struct in6_ifreq) 420 421 #define SIOCSDEFIFACE_IN6 _IOWR('i', 85, struct in6_ndifreq) 422 #define SIOCGDEFIFACE_IN6 _IOWR('i', 86, struct in6_ndifreq) 423 424 #define SIOCSIFINFO_FLAGS _IOWR('i', 87, struct in6_ndireq) /* XXX */ 425 426 #define SIOCSSCOPE6 _IOW('i', 88, struct in6_ifreq) 427 #define SIOCGSCOPE6 _IOWR('i', 89, struct in6_ifreq) 428 #define SIOCGSCOPE6DEF _IOWR('i', 90, struct in6_ifreq) 429 430 #define SIOCSIFPREFIX_IN6 _IOW('i', 100, struct in6_prefixreq) /* set */ 431 #define SIOCGIFPREFIX_IN6 _IOWR('i', 101, struct in6_prefixreq) /* get */ 432 #define SIOCDIFPREFIX_IN6 _IOW('i', 102, struct in6_prefixreq) /* del */ 433 #define SIOCAIFPREFIX_IN6 _IOW('i', 103, struct in6_rrenumreq) /* add */ 434 #define SIOCCIFPREFIX_IN6 _IOW('i', 104, \ 435 struct in6_rrenumreq) /* change */ 436 #define SIOCSGIFPREFIX_IN6 _IOW('i', 105, \ 437 struct in6_rrenumreq) /* set global */ 438 439 #define SIOCGETSGCNT_IN6 _IOWR('u', 106, \ 440 struct sioc_sg_req6) /* get s,g pkt cnt */ 441 #define SIOCGETMIFCNT_IN6 _IOWR('u', 107, \ 442 struct sioc_mif_req6) /* get pkt cnt per if */ 443 444 #define SIOCAADDRCTL_POLICY _IOW('u', 108, struct in6_addrpolicy) 445 #define SIOCDADDRCTL_POLICY _IOW('u', 109, struct in6_addrpolicy) 446 447 #define IN6_IFF_ANYCAST 0x01 /* anycast address */ 448 #define IN6_IFF_TENTATIVE 0x02 /* tentative address */ 449 #define IN6_IFF_DUPLICATED 0x04 /* DAD detected duplicate */ 450 #define IN6_IFF_DETACHED 0x08 /* may be detached from the link */ 451 #define IN6_IFF_DEPRECATED 0x10 /* deprecated address */ 452 #define IN6_IFF_NODAD 0x20 /* don't perform DAD on this address 453 * (used only at first SIOC* call) 454 */ 455 #define IN6_IFF_AUTOCONF 0x40 /* autoconfigurable address. */ 456 #define IN6_IFF_TEMPORARY 0x80 /* temporary (anonymous) address. */ 457 #define IN6_IFF_NOPFX 0x8000 /* skip kernel prefix management. 458 * XXX: this should be temporary. 459 */ 460 461 /* do not input/output */ 462 #define IN6_IFF_NOTREADY (IN6_IFF_TENTATIVE|IN6_IFF_DUPLICATED) 463 464 #ifdef _KERNEL 465 #define IN6_ARE_SCOPE_CMP(a,b) ((a)-(b)) 466 #define IN6_ARE_SCOPE_EQUAL(a,b) ((a)==(b)) 467 #endif 468 469 #ifdef _KERNEL 470 extern struct in6_ifaddr *in6_ifaddr; 471 472 extern struct icmp6stat icmp6stat; 473 #define in6_ifstat_inc(ifp, tag) \ 474 do { \ 475 if (ifp) \ 476 ((struct in6_ifextra *)((ifp)->if_afdata[AF_INET6]))->in6_ifstat->tag++; \ 477 } while (/*CONSTCOND*/ 0) 478 479 extern struct in6_addr zeroin6_addr; 480 extern u_char inet6ctlerrmap[]; 481 extern unsigned long in6_maxmtu; 482 #ifdef MALLOC_DECLARE 483 MALLOC_DECLARE(M_IP6MADDR); 484 #endif /* MALLOC_DECLARE */ 485 486 /* 487 * Macro for finding the internet address structure (in6_ifaddr) corresponding 488 * to a given interface (ifnet structure). 489 */ 490 491 #define IFP_TO_IA6(ifp, ia) \ 492 /* struct ifnet *ifp; */ \ 493 /* struct in6_ifaddr *ia; */ \ 494 do { \ 495 struct ifaddr *ifa; \ 496 for (ifa = (ifp)->if_addrlist.tqh_first; ifa; ifa = ifa->ifa_list.tqe_next) { \ 497 if (!ifa->ifa_addr) \ 498 continue; \ 499 if (ifa->ifa_addr->sa_family == AF_INET6) \ 500 break; \ 501 } \ 502 (ia) = (struct in6_ifaddr *)ifa; \ 503 } while (/*CONSTCOND*/ 0) 504 505 #endif /* _KERNEL */ 506 507 /* 508 * Multi-cast membership entry. One for each group/ifp that a PCB 509 * belongs to. 510 */ 511 struct in6_multi_mship { 512 struct in6_multi *i6mm_maddr; /* Multicast address pointer */ 513 LIST_ENTRY(in6_multi_mship) i6mm_chain; /* multicast options chain */ 514 }; 515 516 struct in6_multi { 517 LIST_ENTRY(in6_multi) in6m_entry; /* list glue */ 518 struct in6_addr in6m_addr; /* IP6 multicast address */ 519 struct ifnet *in6m_ifp; /* back pointer to ifnet */ 520 struct ifmultiaddr *in6m_ifma; /* back pointer to ifmultiaddr */ 521 u_int in6m_refcount; /* # membership claims by sockets */ 522 u_int in6m_state; /* state of the membership */ 523 u_int in6m_timer; /* MLD6 listener report timer */ 524 struct timeval in6m_timer_expire; /* when the timer expires */ 525 struct callout *in6m_timer_ch; 526 }; 527 528 #define IN6M_TIMER_UNDEF -1 529 530 #ifdef _KERNEL 531 /* flags to in6_update_ifa */ 532 #define IN6_IFAUPDATE_DADDELAY 0x1 /* first time to configure an address */ 533 534 extern LIST_HEAD(in6_multihead, in6_multi) in6_multihead; 535 536 /* 537 * Structure used by macros below to remember position when stepping through 538 * all of the in6_multi records. 539 */ 540 struct in6_multistep { 541 struct in6_ifaddr *i_ia; 542 struct in6_multi *i_in6m; 543 }; 544 545 /* 546 * Macros for looking up the in6_multi record for a given IP6 multicast 547 * address on a given interface. If no matching record is found, "in6m" 548 * returns NULL. 549 */ 550 551 #define IN6_LOOKUP_MULTI(addr, ifp, in6m) \ 552 /* struct in6_addr addr; */ \ 553 /* struct ifnet *ifp; */ \ 554 /* struct in6_multi *in6m; */ \ 555 do { \ 556 struct ifmultiaddr *ifma; \ 557 IF_ADDR_LOCK(ifp); \ 558 TAILQ_FOREACH(ifma, &(ifp)->if_multiaddrs, ifma_link) { \ 559 if (ifma->ifma_addr->sa_family == AF_INET6 \ 560 && IN6_ARE_ADDR_EQUAL(&((struct sockaddr_in6 *)ifma->ifma_addr)->sin6_addr, \ 561 &(addr))) \ 562 break; \ 563 } \ 564 (in6m) = (struct in6_multi *)(ifma ? ifma->ifma_protospec : 0); \ 565 IF_ADDR_UNLOCK(ifp); \ 566 } while(0) 567 568 /* 569 * Macro to step through all of the in6_multi records, one at a time. 570 * The current position is remembered in "step", which the caller must 571 * provide. IN6_FIRST_MULTI(), below, must be called to initialize "step" 572 * and get the first record. Both macros return a NULL "in6m" when there 573 * are no remaining records. 574 */ 575 #define IN6_NEXT_MULTI(step, in6m) \ 576 /* struct in6_multistep step; */ \ 577 /* struct in6_multi *in6m; */ \ 578 do { \ 579 if (((in6m) = (step).i_in6m) != NULL) \ 580 (step).i_in6m = (step).i_in6m->in6m_entry.le_next; \ 581 } while(0) 582 583 #define IN6_FIRST_MULTI(step, in6m) \ 584 /* struct in6_multistep step; */ \ 585 /* struct in6_multi *in6m */ \ 586 do { \ 587 (step).i_in6m = in6_multihead.lh_first; \ 588 IN6_NEXT_MULTI((step), (in6m)); \ 589 } while(0) 590 591 struct in6_multi *in6_addmulti __P((struct in6_addr *, struct ifnet *, 592 int *, int)); 593 void in6_delmulti __P((struct in6_multi *)); 594 struct in6_multi_mship *in6_joingroup(struct ifnet *, struct in6_addr *, int *, int); 595 int in6_leavegroup(struct in6_multi_mship *); 596 int in6_mask2len __P((struct in6_addr *, u_char *)); 597 int in6_control __P((struct socket *, u_long, caddr_t, struct ifnet *, 598 struct thread *)); 599 int in6_update_ifa __P((struct ifnet *, struct in6_aliasreq *, 600 struct in6_ifaddr *, int)); 601 void in6_purgeaddr __P((struct ifaddr *)); 602 int in6if_do_dad __P((struct ifnet *)); 603 void in6_purgeif __P((struct ifnet *)); 604 void in6_savemkludge __P((struct in6_ifaddr *)); 605 void *in6_domifattach __P((struct ifnet *)); 606 void in6_domifdetach __P((struct ifnet *, void *)); 607 void in6_setmaxmtu __P((void)); 608 int in6_if2idlen __P((struct ifnet *)); 609 void in6_restoremkludge __P((struct in6_ifaddr *, struct ifnet *)); 610 void in6_purgemkludge __P((struct ifnet *)); 611 struct in6_ifaddr *in6ifa_ifpforlinklocal __P((struct ifnet *, int)); 612 struct in6_ifaddr *in6ifa_ifpwithaddr __P((struct ifnet *, struct in6_addr *)); 613 char *ip6_sprintf __P((const struct in6_addr *)); 614 int in6_addr2zoneid __P((struct ifnet *, struct in6_addr *, u_int32_t *)); 615 int in6_matchlen __P((struct in6_addr *, struct in6_addr *)); 616 int in6_are_prefix_equal __P((struct in6_addr *, struct in6_addr *, int)); 617 void in6_prefixlen2mask __P((struct in6_addr *, int)); 618 int in6_prefix_ioctl __P((struct socket *, u_long, caddr_t, 619 struct ifnet *)); 620 int in6_prefix_add_ifid __P((int, struct in6_ifaddr *)); 621 void in6_prefix_remove_ifid __P((int, struct in6_ifaddr *)); 622 void in6_purgeprefix __P((struct ifnet *)); 623 void in6_ifremloop(struct ifaddr *); 624 void in6_ifaddloop(struct ifaddr *); 625 626 int in6_is_addr_deprecated __P((struct sockaddr_in6 *)); 627 struct inpcb; 628 int in6_src_ioctl __P((u_long, caddr_t)); 629 #endif /* _KERNEL */ 630 631 #endif /* _NETINET6_IN6_VAR_H_ */ 632