1 /* $FreeBSD: src/sys/netinet6/in6_var.h,v 1.3.2.3 2002/04/28 05:40:27 suz Exp $ */ 2 /* $DragonFly: src/sys/netinet6/in6_var.h,v 1.4 2003/08/23 11:02:45 rob Exp $ */ 3 /* $KAME: in6_var.h,v 1.56 2001/03/29 05:34:31 itojun Exp $ */ 4 5 /* 6 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. Neither the name of the project nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 /* 35 * Copyright (c) 1985, 1986, 1993 36 * The Regents of the University of California. All rights reserved. 37 * 38 * Redistribution and use in source and binary forms, with or without 39 * modification, are permitted provided that the following conditions 40 * are met: 41 * 1. Redistributions of source code must retain the above copyright 42 * notice, this list of conditions and the following disclaimer. 43 * 2. Redistributions in binary form must reproduce the above copyright 44 * notice, this list of conditions and the following disclaimer in the 45 * documentation and/or other materials provided with the distribution. 46 * 3. All advertising materials mentioning features or use of this software 47 * must display the following acknowledgement: 48 * This product includes software developed by the University of 49 * California, Berkeley and its contributors. 50 * 4. Neither the name of the University nor the names of its contributors 51 * may be used to endorse or promote products derived from this software 52 * without specific prior written permission. 53 * 54 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 55 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 56 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 57 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 58 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 59 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 60 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 61 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 62 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 63 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 64 * SUCH DAMAGE. 65 * 66 * @(#)in_var.h 8.1 (Berkeley) 6/10/93 67 */ 68 69 #ifndef _NETINET6_IN6_VAR_H_ 70 #define _NETINET6_IN6_VAR_H_ 71 72 /* 73 * Interface address, Internet version. One of these structures 74 * is allocated for each interface with an Internet address. 75 * The ifaddr structure contains the protocol-independent part 76 * of the structure and is assumed to be first. 77 */ 78 79 /* 80 * pltime/vltime are just for future reference (required to implements 2 81 * hour rule for hosts). they should never be modified by nd6_timeout or 82 * anywhere else. 83 * userland -> kernel: accept pltime/vltime 84 * kernel -> userland: throw up everything 85 * in kernel: modify preferred/expire only 86 */ 87 struct in6_addrlifetime { 88 time_t ia6t_expire; /* valid lifetime expiration time */ 89 time_t ia6t_preferred; /* preferred lifetime expiration time */ 90 u_int32_t ia6t_vltime; /* valid lifetime */ 91 u_int32_t ia6t_pltime; /* prefix lifetime */ 92 }; 93 94 struct in6_ifaddr { 95 struct ifaddr ia_ifa; /* protocol-independent info */ 96 #define ia_ifp ia_ifa.ifa_ifp 97 #define ia_flags ia_ifa.ifa_flags 98 struct sockaddr_in6 ia_addr; /* interface address */ 99 struct sockaddr_in6 ia_net; /* network number of interface */ 100 struct sockaddr_in6 ia_dstaddr; /* space for destination addr */ 101 struct sockaddr_in6 ia_prefixmask; /* prefix mask */ 102 u_int32_t ia_plen; /* prefix length */ 103 struct in6_ifaddr *ia_next; /* next in6 list of IP6 addresses */ 104 int ia6_flags; 105 106 struct in6_addrlifetime ia6_lifetime; 107 struct ifprefix *ia6_ifpr; /* back pointer to ifprefix */ 108 109 struct nd_prefix *ia6_ndpr; /* back pointer to the ND prefix 110 * (for autoconfigured addresses only) 111 */ 112 }; 113 114 /* 115 * IPv6 interface statistics, as defined in RFC2465 Ipv6IfStatsEntry (p12). 116 */ 117 struct in6_ifstat { 118 u_quad_t ifs6_in_receive; /* # of total input datagram */ 119 u_quad_t ifs6_in_hdrerr; /* # of datagrams with invalid hdr */ 120 u_quad_t ifs6_in_toobig; /* # of datagrams exceeded MTU */ 121 u_quad_t ifs6_in_noroute; /* # of datagrams with no route */ 122 u_quad_t ifs6_in_addrerr; /* # of datagrams with invalid dst */ 123 u_quad_t ifs6_in_protounknown; /* # of datagrams with unknown proto */ 124 /* NOTE: increment on final dst if */ 125 u_quad_t ifs6_in_truncated; /* # of truncated datagrams */ 126 u_quad_t ifs6_in_discard; /* # of discarded datagrams */ 127 /* NOTE: fragment timeout is not here */ 128 u_quad_t ifs6_in_deliver; /* # of datagrams delivered to ULP */ 129 /* NOTE: increment on final dst if */ 130 u_quad_t ifs6_out_forward; /* # of datagrams forwarded */ 131 /* NOTE: increment on outgoing if */ 132 u_quad_t ifs6_out_request; /* # of outgoing datagrams from ULP */ 133 /* NOTE: does not include forwrads */ 134 u_quad_t ifs6_out_discard; /* # of discarded datagrams */ 135 u_quad_t ifs6_out_fragok; /* # of datagrams fragmented */ 136 u_quad_t ifs6_out_fragfail; /* # of datagrams failed on fragment */ 137 u_quad_t ifs6_out_fragcreat; /* # of fragment datagrams */ 138 /* NOTE: this is # after fragment */ 139 u_quad_t ifs6_reass_reqd; /* # of incoming fragmented packets */ 140 /* NOTE: increment on final dst if */ 141 u_quad_t ifs6_reass_ok; /* # of reassembled packets */ 142 /* NOTE: this is # after reass */ 143 /* NOTE: increment on final dst if */ 144 u_quad_t ifs6_reass_fail; /* # of reass failures */ 145 /* NOTE: may not be packet count */ 146 /* NOTE: increment on final dst if */ 147 u_quad_t ifs6_in_mcast; /* # of inbound multicast datagrams */ 148 u_quad_t ifs6_out_mcast; /* # of outbound multicast datagrams */ 149 }; 150 151 /* 152 * ICMPv6 interface statistics, as defined in RFC2466 Ipv6IfIcmpEntry. 153 * XXX: I'm not sure if this file is the right place for this structure... 154 */ 155 struct icmp6_ifstat { 156 /* 157 * Input statistics 158 */ 159 /* ipv6IfIcmpInMsgs, total # of input messages */ 160 u_quad_t ifs6_in_msg; 161 /* ipv6IfIcmpInErrors, # of input error messages */ 162 u_quad_t ifs6_in_error; 163 /* ipv6IfIcmpInDestUnreachs, # of input dest unreach errors */ 164 u_quad_t ifs6_in_dstunreach; 165 /* ipv6IfIcmpInAdminProhibs, # of input administratively prohibited errs */ 166 u_quad_t ifs6_in_adminprohib; 167 /* ipv6IfIcmpInTimeExcds, # of input time exceeded errors */ 168 u_quad_t ifs6_in_timeexceed; 169 /* ipv6IfIcmpInParmProblems, # of input parameter problem errors */ 170 u_quad_t ifs6_in_paramprob; 171 /* ipv6IfIcmpInPktTooBigs, # of input packet too big errors */ 172 u_quad_t ifs6_in_pkttoobig; 173 /* ipv6IfIcmpInEchos, # of input echo requests */ 174 u_quad_t ifs6_in_echo; 175 /* ipv6IfIcmpInEchoReplies, # of input echo replies */ 176 u_quad_t ifs6_in_echoreply; 177 /* ipv6IfIcmpInRouterSolicits, # of input router solicitations */ 178 u_quad_t ifs6_in_routersolicit; 179 /* ipv6IfIcmpInRouterAdvertisements, # of input router advertisements */ 180 u_quad_t ifs6_in_routeradvert; 181 /* ipv6IfIcmpInNeighborSolicits, # of input neighbor solicitations */ 182 u_quad_t ifs6_in_neighborsolicit; 183 /* ipv6IfIcmpInNeighborAdvertisements, # of input neighbor advertisements */ 184 u_quad_t ifs6_in_neighboradvert; 185 /* ipv6IfIcmpInRedirects, # of input redirects */ 186 u_quad_t ifs6_in_redirect; 187 /* ipv6IfIcmpInGroupMembQueries, # of input MLD queries */ 188 u_quad_t ifs6_in_mldquery; 189 /* ipv6IfIcmpInGroupMembResponses, # of input MLD reports */ 190 u_quad_t ifs6_in_mldreport; 191 /* ipv6IfIcmpInGroupMembReductions, # of input MLD done */ 192 u_quad_t ifs6_in_mlddone; 193 194 /* 195 * Output statistics. We should solve unresolved routing problem... 196 */ 197 /* ipv6IfIcmpOutMsgs, total # of output messages */ 198 u_quad_t ifs6_out_msg; 199 /* ipv6IfIcmpOutErrors, # of output error messages */ 200 u_quad_t ifs6_out_error; 201 /* ipv6IfIcmpOutDestUnreachs, # of output dest unreach errors */ 202 u_quad_t ifs6_out_dstunreach; 203 /* ipv6IfIcmpOutAdminProhibs, # of output administratively prohibited errs */ 204 u_quad_t ifs6_out_adminprohib; 205 /* ipv6IfIcmpOutTimeExcds, # of output time exceeded errors */ 206 u_quad_t ifs6_out_timeexceed; 207 /* ipv6IfIcmpOutParmProblems, # of output parameter problem errors */ 208 u_quad_t ifs6_out_paramprob; 209 /* ipv6IfIcmpOutPktTooBigs, # of output packet too big errors */ 210 u_quad_t ifs6_out_pkttoobig; 211 /* ipv6IfIcmpOutEchos, # of output echo requests */ 212 u_quad_t ifs6_out_echo; 213 /* ipv6IfIcmpOutEchoReplies, # of output echo replies */ 214 u_quad_t ifs6_out_echoreply; 215 /* ipv6IfIcmpOutRouterSolicits, # of output router solicitations */ 216 u_quad_t ifs6_out_routersolicit; 217 /* ipv6IfIcmpOutRouterAdvertisements, # of output router advertisements */ 218 u_quad_t ifs6_out_routeradvert; 219 /* ipv6IfIcmpOutNeighborSolicits, # of output neighbor solicitations */ 220 u_quad_t ifs6_out_neighborsolicit; 221 /* ipv6IfIcmpOutNeighborAdvertisements, # of output neighbor advertisements */ 222 u_quad_t ifs6_out_neighboradvert; 223 /* ipv6IfIcmpOutRedirects, # of output redirects */ 224 u_quad_t ifs6_out_redirect; 225 /* ipv6IfIcmpOutGroupMembQueries, # of output MLD queries */ 226 u_quad_t ifs6_out_mldquery; 227 /* ipv6IfIcmpOutGroupMembResponses, # of output MLD reports */ 228 u_quad_t ifs6_out_mldreport; 229 /* ipv6IfIcmpOutGroupMembReductions, # of output MLD done */ 230 u_quad_t ifs6_out_mlddone; 231 }; 232 233 struct in6_ifreq { 234 char ifr_name[IFNAMSIZ]; 235 union { 236 struct sockaddr_in6 ifru_addr; 237 struct sockaddr_in6 ifru_dstaddr; 238 short ifru_flags; 239 int ifru_flags6; 240 int ifru_metric; 241 caddr_t ifru_data; 242 struct in6_addrlifetime ifru_lifetime; 243 struct in6_ifstat ifru_stat; 244 struct icmp6_ifstat ifru_icmp6stat; 245 u_int32_t ifru_scope_id[16]; 246 } ifr_ifru; 247 }; 248 249 struct in6_aliasreq { 250 char ifra_name[IFNAMSIZ]; 251 struct sockaddr_in6 ifra_addr; 252 struct sockaddr_in6 ifra_dstaddr; 253 struct sockaddr_in6 ifra_prefixmask; 254 int ifra_flags; 255 struct in6_addrlifetime ifra_lifetime; 256 }; 257 258 /* prefix type macro */ 259 #define IN6_PREFIX_ND 1 260 #define IN6_PREFIX_RR 2 261 262 /* 263 * prefix related flags passed between kernel(NDP related part) and 264 * user land command(ifconfig) and daemon(rtadvd). 265 */ 266 struct in6_prflags { 267 struct prf_ra { 268 u_char onlink : 1; 269 u_char autonomous : 1; 270 u_char reserved : 6; 271 } prf_ra; 272 u_char prf_reserved1; 273 u_short prf_reserved2; 274 /* want to put this on 4byte offset */ 275 struct prf_rr { 276 u_char decrvalid : 1; 277 u_char decrprefd : 1; 278 u_char reserved : 6; 279 } prf_rr; 280 u_char prf_reserved3; 281 u_short prf_reserved4; 282 }; 283 284 struct in6_prefixreq { 285 char ipr_name[IFNAMSIZ]; 286 u_char ipr_origin; 287 u_char ipr_plen; 288 u_int32_t ipr_vltime; 289 u_int32_t ipr_pltime; 290 struct in6_prflags ipr_flags; 291 struct sockaddr_in6 ipr_prefix; 292 }; 293 294 #define PR_ORIG_RA 0 295 #define PR_ORIG_RR 1 296 #define PR_ORIG_STATIC 2 297 #define PR_ORIG_KERNEL 3 298 299 #define ipr_raf_onlink ipr_flags.prf_ra.onlink 300 #define ipr_raf_auto ipr_flags.prf_ra.autonomous 301 302 #define ipr_statef_onlink ipr_flags.prf_state.onlink 303 304 #define ipr_rrf_decrvalid ipr_flags.prf_rr.decrvalid 305 #define ipr_rrf_decrprefd ipr_flags.prf_rr.decrprefd 306 307 struct in6_rrenumreq { 308 char irr_name[IFNAMSIZ]; 309 u_char irr_origin; 310 u_char irr_m_len; /* match len for matchprefix */ 311 u_char irr_m_minlen; /* minlen for matching prefix */ 312 u_char irr_m_maxlen; /* maxlen for matching prefix */ 313 u_char irr_u_uselen; /* uselen for adding prefix */ 314 u_char irr_u_keeplen; /* keeplen from matching prefix */ 315 struct irr_raflagmask { 316 u_char onlink : 1; 317 u_char autonomous : 1; 318 u_char reserved : 6; 319 } irr_raflagmask; 320 u_int32_t irr_vltime; 321 u_int32_t irr_pltime; 322 struct in6_prflags irr_flags; 323 struct sockaddr_in6 irr_matchprefix; 324 struct sockaddr_in6 irr_useprefix; 325 }; 326 327 #define irr_raf_mask_onlink irr_raflagmask.onlink 328 #define irr_raf_mask_auto irr_raflagmask.autonomous 329 #define irr_raf_mask_reserved irr_raflagmask.reserved 330 331 #define irr_raf_onlink irr_flags.prf_ra.onlink 332 #define irr_raf_auto irr_flags.prf_ra.autonomous 333 334 #define irr_statef_onlink irr_flags.prf_state.onlink 335 336 #define irr_rrf irr_flags.prf_rr 337 #define irr_rrf_decrvalid irr_flags.prf_rr.decrvalid 338 #define irr_rrf_decrprefd irr_flags.prf_rr.decrprefd 339 340 /* 341 * Given a pointer to an in6_ifaddr (ifaddr), 342 * return a pointer to the addr as a sockaddr_in6 343 */ 344 #define IA6_IN6(ia) (&((ia)->ia_addr.sin6_addr)) 345 #define IA6_DSTIN6(ia) (&((ia)->ia_dstaddr.sin6_addr)) 346 #define IA6_MASKIN6(ia) (&((ia)->ia_prefixmask.sin6_addr)) 347 #define IA6_SIN6(ia) (&((ia)->ia_addr)) 348 #define IA6_DSTSIN6(ia) (&((ia)->ia_dstaddr)) 349 #define IFA_IN6(x) (&((struct sockaddr_in6 *)((x)->ifa_addr))->sin6_addr) 350 #define IFA_DSTIN6(x) (&((struct sockaddr_in6 *)((x)->ifa_dstaddr))->sin6_addr) 351 352 #define IFPR_IN6(x) (&((struct sockaddr_in6 *)((x)->ifpr_prefix))->sin6_addr) 353 354 #ifdef _KERNEL 355 #define IN6_ARE_MASKED_ADDR_EQUAL(d, a, m) ( \ 356 (((d)->s6_addr32[0] ^ (a)->s6_addr32[0]) & (m)->s6_addr32[0]) == 0 && \ 357 (((d)->s6_addr32[1] ^ (a)->s6_addr32[1]) & (m)->s6_addr32[1]) == 0 && \ 358 (((d)->s6_addr32[2] ^ (a)->s6_addr32[2]) & (m)->s6_addr32[2]) == 0 && \ 359 (((d)->s6_addr32[3] ^ (a)->s6_addr32[3]) & (m)->s6_addr32[3]) == 0 ) 360 #endif 361 362 #define SIOCSIFADDR_IN6 _IOW('i', 12, struct in6_ifreq) 363 #define SIOCGIFADDR_IN6 _IOWR('i', 33, struct in6_ifreq) 364 365 #ifdef _KERNEL 366 /* 367 * SIOCSxxx ioctls should be unused (see comments in in6.c), but 368 * we do not shift numbers for binary compatibility. 369 */ 370 #define SIOCSIFDSTADDR_IN6 _IOW('i', 14, struct in6_ifreq) 371 #define SIOCSIFNETMASK_IN6 _IOW('i', 22, struct in6_ifreq) 372 #endif 373 374 #define SIOCGIFDSTADDR_IN6 _IOWR('i', 34, struct in6_ifreq) 375 #define SIOCGIFNETMASK_IN6 _IOWR('i', 37, struct in6_ifreq) 376 377 #define SIOCDIFADDR_IN6 _IOW('i', 25, struct in6_ifreq) 378 #define SIOCAIFADDR_IN6 _IOW('i', 26, struct in6_aliasreq) 379 380 #define SIOCSIFPHYADDR_IN6 _IOW('i', 70, struct in6_aliasreq) 381 #define SIOCGIFPSRCADDR_IN6 _IOWR('i', 71, struct in6_ifreq) 382 #define SIOCGIFPDSTADDR_IN6 _IOWR('i', 72, struct in6_ifreq) 383 384 #define SIOCGIFAFLAG_IN6 _IOWR('i', 73, struct in6_ifreq) 385 386 #define SIOCGDRLST_IN6 _IOWR('i', 74, struct in6_drlist) 387 #define SIOCGPRLST_IN6 _IOWR('i', 75, struct in6_prlist) 388 #ifdef _KERNEL 389 #define OSIOCGIFINFO_IN6 _IOWR('i', 76, struct in6_ondireq) 390 #endif 391 #define SIOCGIFINFO_IN6 _IOWR('i', 108, struct in6_ndireq) 392 #define SIOCSNDFLUSH_IN6 _IOWR('i', 77, struct in6_ifreq) 393 #define SIOCGNBRINFO_IN6 _IOWR('i', 78, struct in6_nbrinfo) 394 #define SIOCSPFXFLUSH_IN6 _IOWR('i', 79, struct in6_ifreq) 395 #define SIOCSRTRFLUSH_IN6 _IOWR('i', 80, struct in6_ifreq) 396 397 #define SIOCGIFALIFETIME_IN6 _IOWR('i', 81, struct in6_ifreq) 398 #define SIOCSIFALIFETIME_IN6 _IOWR('i', 82, struct in6_ifreq) 399 #define SIOCGIFSTAT_IN6 _IOWR('i', 83, struct in6_ifreq) 400 #define SIOCGIFSTAT_ICMP6 _IOWR('i', 84, struct in6_ifreq) 401 402 #define SIOCSDEFIFACE_IN6 _IOWR('i', 85, struct in6_ndifreq) 403 #define SIOCGDEFIFACE_IN6 _IOWR('i', 86, struct in6_ndifreq) 404 405 #define SIOCSIFINFO_FLAGS _IOWR('i', 87, struct in6_ndireq) /* XXX */ 406 407 #define SIOCSSCOPE6 _IOW('i', 88, struct in6_ifreq) 408 #define SIOCGSCOPE6 _IOWR('i', 89, struct in6_ifreq) 409 #define SIOCGSCOPE6DEF _IOWR('i', 90, struct in6_ifreq) 410 411 #define SIOCSIFPREFIX_IN6 _IOW('i', 100, struct in6_prefixreq) /* set */ 412 #define SIOCGIFPREFIX_IN6 _IOWR('i', 101, struct in6_prefixreq) /* get */ 413 #define SIOCDIFPREFIX_IN6 _IOW('i', 102, struct in6_prefixreq) /* del */ 414 #define SIOCAIFPREFIX_IN6 _IOW('i', 103, struct in6_rrenumreq) /* add */ 415 #define SIOCCIFPREFIX_IN6 _IOW('i', 104, \ 416 struct in6_rrenumreq) /* change */ 417 #define SIOCSGIFPREFIX_IN6 _IOW('i', 105, \ 418 struct in6_rrenumreq) /* set global */ 419 420 #define SIOCGETSGCNT_IN6 _IOWR('u', 106, \ 421 struct sioc_sg_req6) /* get s,g pkt cnt */ 422 #define SIOCGETMIFCNT_IN6 _IOWR('u', 107, \ 423 struct sioc_mif_req6) /* get pkt cnt per if */ 424 425 #define IN6_IFF_ANYCAST 0x01 /* anycast address */ 426 #define IN6_IFF_TENTATIVE 0x02 /* tentative address */ 427 #define IN6_IFF_DUPLICATED 0x04 /* DAD detected duplicate */ 428 #define IN6_IFF_DETACHED 0x08 /* may be detached from the link */ 429 #define IN6_IFF_DEPRECATED 0x10 /* deprecated address */ 430 #define IN6_IFF_NODAD 0x20 /* don't perform DAD on this address 431 * (used only at first SIOC* call) 432 */ 433 #define IN6_IFF_AUTOCONF 0x40 /* autoconfigurable address. */ 434 #define IN6_IFF_TEMPORARY 0x80 /* temporary (anonymous) address. */ 435 #define IN6_IFF_NOPFX 0x8000 /* skip kernel prefix management. 436 * XXX: this should be temporary. 437 */ 438 439 /* do not input/output */ 440 #define IN6_IFF_NOTREADY (IN6_IFF_TENTATIVE|IN6_IFF_DUPLICATED) 441 442 #ifdef _KERNEL 443 #define IN6_ARE_SCOPE_CMP(a,b) ((a)-(b)) 444 #define IN6_ARE_SCOPE_EQUAL(a,b) ((a)==(b)) 445 #endif 446 447 #ifdef _KERNEL 448 extern struct in6_ifaddr *in6_ifaddr; 449 450 extern struct in6_ifstat **in6_ifstat; 451 extern size_t in6_ifstatmax; 452 extern struct icmp6stat icmp6stat; 453 extern struct icmp6_ifstat **icmp6_ifstat; 454 extern size_t icmp6_ifstatmax; 455 #define in6_ifstat_inc(ifp, tag) \ 456 do { \ 457 if ((ifp) && (ifp)->if_index <= if_index \ 458 && (ifp)->if_index < in6_ifstatmax \ 459 && in6_ifstat && in6_ifstat[(ifp)->if_index]) { \ 460 in6_ifstat[(ifp)->if_index]->tag++; \ 461 } \ 462 } while (0) 463 464 extern struct ifqueue ip6intrq; /* IP6 packet input queue */ 465 extern struct in6_addr zeroin6_addr; 466 extern u_char inet6ctlerrmap[]; 467 extern unsigned long in6_maxmtu; 468 #ifdef MALLOC_DECLARE 469 MALLOC_DECLARE(M_IPMADDR); 470 #endif 471 472 /* 473 * Macro for finding the internet address structure (in6_ifaddr) corresponding 474 * to a given interface (ifnet structure). 475 */ 476 477 #define IFP_TO_IA6(ifp, ia) \ 478 /* struct ifnet *ifp; */ \ 479 /* struct in6_ifaddr *ia; */ \ 480 do { \ 481 struct ifaddr *ifa; \ 482 for (ifa = (ifp)->if_addrlist.tqh_first; ifa; ifa = ifa->ifa_list.tqe_next) { \ 483 if (!ifa->ifa_addr) \ 484 continue; \ 485 if (ifa->ifa_addr->sa_family == AF_INET6) \ 486 break; \ 487 } \ 488 (ia) = (struct in6_ifaddr *)ifa; \ 489 } while (0) 490 491 #endif /* _KERNEL */ 492 493 /* 494 * Multi-cast membership entry. One for each group/ifp that a PCB 495 * belongs to. 496 */ 497 struct in6_multi_mship { 498 struct in6_multi *i6mm_maddr; /* Multicast address pointer */ 499 LIST_ENTRY(in6_multi_mship) i6mm_chain; /* multicast options chain */ 500 }; 501 502 struct in6_multi { 503 LIST_ENTRY(in6_multi) in6m_entry; /* list glue */ 504 struct in6_addr in6m_addr; /* IP6 multicast address */ 505 struct ifnet *in6m_ifp; /* back pointer to ifnet */ 506 struct ifmultiaddr *in6m_ifma; /* back pointer to ifmultiaddr */ 507 u_int in6m_refcount; /* # membership claims by sockets */ 508 u_int in6m_state; /* state of the membership */ 509 u_int in6m_timer; /* MLD6 listener report timer */ 510 }; 511 512 #ifdef _KERNEL 513 extern LIST_HEAD(in6_multihead, in6_multi) in6_multihead; 514 515 /* 516 * Structure used by macros below to remember position when stepping through 517 * all of the in6_multi records. 518 */ 519 struct in6_multistep { 520 struct in6_ifaddr *i_ia; 521 struct in6_multi *i_in6m; 522 }; 523 524 /* 525 * Macros for looking up the in6_multi record for a given IP6 multicast 526 * address on a given interface. If no matching record is found, "in6m" 527 * returns NLL. 528 */ 529 530 #define IN6_LOOKUP_MULTI(addr, ifp, in6m) \ 531 /* struct in6_addr addr; */ \ 532 /* struct ifnet *ifp; */ \ 533 /* struct in6_multi *in6m; */ \ 534 do { \ 535 struct ifmultiaddr *ifma; \ 536 for (ifma = (ifp)->if_multiaddrs.lh_first; ifma; \ 537 ifma = ifma->ifma_link.le_next) { \ 538 if (ifma->ifma_addr->sa_family == AF_INET6 \ 539 && IN6_ARE_ADDR_EQUAL(&((struct sockaddr_in6 *)ifma->ifma_addr)->sin6_addr, \ 540 &(addr))) \ 541 break; \ 542 } \ 543 (in6m) = (struct in6_multi *)(ifma ? ifma->ifma_protospec : 0); \ 544 } while(0) 545 546 /* 547 * Macro to step through all of the in6_multi records, one at a time. 548 * The current position is remembered in "step", which the caller must 549 * provide. IN6_FIRST_MULTI(), below, must be called to initialize "step" 550 * and get the first record. Both macros return a NULL "in6m" when there 551 * are no remaining records. 552 */ 553 #define IN6_NEXT_MULTI(step, in6m) \ 554 /* struct in6_multistep step; */ \ 555 /* struct in6_multi *in6m; */ \ 556 do { \ 557 if (((in6m) = (step).i_in6m) != NULL) \ 558 (step).i_in6m = (step).i_in6m->in6m_entry.le_next; \ 559 } while(0) 560 561 #define IN6_FIRST_MULTI(step, in6m) \ 562 /* struct in6_multistep step; */ \ 563 /* struct in6_multi *in6m */ \ 564 do { \ 565 (step).i_in6m = in6_multihead.lh_first; \ 566 IN6_NEXT_MULTI((step), (in6m)); \ 567 } while(0) 568 569 struct in6_multi *in6_addmulti (struct in6_addr *, struct ifnet *, 570 int *); 571 void in6_delmulti (struct in6_multi *); 572 extern int in6_ifindex2scopeid (int); 573 extern int in6_mask2len (struct in6_addr *, u_char *); 574 extern void in6_len2mask (struct in6_addr *, int); 575 int in6_control (struct socket *, 576 u_long, caddr_t, struct ifnet *, struct thread *); 577 int in6_update_ifa (struct ifnet *, struct in6_aliasreq *, 578 struct in6_ifaddr *); 579 void in6_purgeaddr (struct ifaddr *); 580 int in6if_do_dad (struct ifnet *); 581 void in6_purgeif (struct ifnet *); 582 void in6_savemkludge (struct in6_ifaddr *); 583 void in6_setmaxmtu (void); 584 void in6_restoremkludge (struct in6_ifaddr *, struct ifnet *); 585 void in6_purgemkludge (struct ifnet *); 586 struct in6_ifaddr *in6ifa_ifpforlinklocal (struct ifnet *, int); 587 struct in6_ifaddr *in6ifa_ifpwithaddr (struct ifnet *, 588 struct in6_addr *); 589 char *ip6_sprintf (const struct in6_addr *); 590 int in6_addr2scopeid (struct ifnet *, struct in6_addr *); 591 int in6_matchlen (struct in6_addr *, struct in6_addr *); 592 int in6_are_prefix_equal (struct in6_addr *p1, struct in6_addr *p2, 593 int len); 594 void in6_prefixlen2mask (struct in6_addr *maskp, int len); 595 int in6_prefix_ioctl (struct socket *so, u_long cmd, caddr_t data, 596 struct ifnet *ifp); 597 int in6_prefix_add_ifid (int iilen, struct in6_ifaddr *ia); 598 void in6_prefix_remove_ifid (int iilen, struct in6_ifaddr *ia); 599 void in6_purgeprefix (struct ifnet *); 600 601 int in6_is_addr_deprecated (struct sockaddr_in6 *); 602 struct inpcb; 603 int in6_embedscope (struct in6_addr *, const struct sockaddr_in6 *, 604 struct inpcb *, struct ifnet **); 605 int in6_recoverscope (struct sockaddr_in6 *, const struct in6_addr *, 606 struct ifnet *); 607 void in6_clearscope (struct in6_addr *); 608 #endif /* _KERNEL */ 609 610 #endif /* _NETINET6_IN6_VAR_H_ */ 611