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