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 1.6 2005/02/01 16:09:37 hrs 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 nd_ifinfo; 95 struct scope6_id; 96 struct in6_ifextra { 97 struct in6_ifstat *in6_ifstat; 98 struct icmp6_ifstat *icmp6_ifstat; 99 struct nd_ifinfo *nd_ifinfo; 100 struct scope6_id *scope6_id; 101 }; 102 103 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 int ia6_flags; 114 115 struct in6_addrlifetime ia6_lifetime; 116 struct ifprefix *ia6_ifpr; /* back pointer to ifprefix */ 117 118 struct nd_prefix *ia6_ndpr; /* back pointer to the ND prefix 119 * (for autoconfigured addresses only) 120 */ 121 }; 122 123 /* 124 * IPv6 interface statistics, as defined in RFC2465 Ipv6IfStatsEntry (p12). 125 */ 126 struct in6_ifstat { 127 u_quad_t ifs6_in_receive; /* # of total input datagram */ 128 u_quad_t ifs6_in_hdrerr; /* # of datagrams with invalid hdr */ 129 u_quad_t ifs6_in_toobig; /* # of datagrams exceeded MTU */ 130 u_quad_t ifs6_in_noroute; /* # of datagrams with no route */ 131 u_quad_t ifs6_in_addrerr; /* # of datagrams with invalid dst */ 132 u_quad_t ifs6_in_protounknown; /* # of datagrams with unknown proto */ 133 /* NOTE: increment on final dst if */ 134 u_quad_t ifs6_in_truncated; /* # of truncated datagrams */ 135 u_quad_t ifs6_in_discard; /* # of discarded datagrams */ 136 /* NOTE: fragment timeout is not here */ 137 u_quad_t ifs6_in_deliver; /* # of datagrams delivered to ULP */ 138 /* NOTE: increment on final dst if */ 139 u_quad_t ifs6_out_forward; /* # of datagrams forwarded */ 140 /* NOTE: increment on outgoing if */ 141 u_quad_t ifs6_out_request; /* # of outgoing datagrams from ULP */ 142 /* NOTE: does not include forwrads */ 143 u_quad_t ifs6_out_discard; /* # of discarded datagrams */ 144 u_quad_t ifs6_out_fragok; /* # of datagrams fragmented */ 145 u_quad_t ifs6_out_fragfail; /* # of datagrams failed on fragment */ 146 u_quad_t ifs6_out_fragcreat; /* # of fragment datagrams */ 147 /* NOTE: this is # after fragment */ 148 u_quad_t ifs6_reass_reqd; /* # of incoming fragmented packets */ 149 /* NOTE: increment on final dst if */ 150 u_quad_t ifs6_reass_ok; /* # of reassembled packets */ 151 /* NOTE: this is # after reass */ 152 /* NOTE: increment on final dst if */ 153 u_quad_t ifs6_reass_fail; /* # of reass failures */ 154 /* NOTE: may not be packet count */ 155 /* NOTE: increment on final dst if */ 156 u_quad_t ifs6_in_mcast; /* # of inbound multicast datagrams */ 157 u_quad_t ifs6_out_mcast; /* # of outbound multicast datagrams */ 158 }; 159 160 /* 161 * ICMPv6 interface statistics, as defined in RFC2466 Ipv6IfIcmpEntry. 162 * XXX: I'm not sure if this file is the right place for this structure... 163 */ 164 struct icmp6_ifstat { 165 /* 166 * Input statistics 167 */ 168 /* ipv6IfIcmpInMsgs, total # of input messages */ 169 u_quad_t ifs6_in_msg; 170 /* ipv6IfIcmpInErrors, # of input error messages */ 171 u_quad_t ifs6_in_error; 172 /* ipv6IfIcmpInDestUnreachs, # of input dest unreach errors */ 173 u_quad_t ifs6_in_dstunreach; 174 /* ipv6IfIcmpInAdminProhibs, # of input administratively prohibited errs */ 175 u_quad_t ifs6_in_adminprohib; 176 /* ipv6IfIcmpInTimeExcds, # of input time exceeded errors */ 177 u_quad_t ifs6_in_timeexceed; 178 /* ipv6IfIcmpInParmProblems, # of input parameter problem errors */ 179 u_quad_t ifs6_in_paramprob; 180 /* ipv6IfIcmpInPktTooBigs, # of input packet too big errors */ 181 u_quad_t ifs6_in_pkttoobig; 182 /* ipv6IfIcmpInEchos, # of input echo requests */ 183 u_quad_t ifs6_in_echo; 184 /* ipv6IfIcmpInEchoReplies, # of input echo replies */ 185 u_quad_t ifs6_in_echoreply; 186 /* ipv6IfIcmpInRouterSolicits, # of input router solicitations */ 187 u_quad_t ifs6_in_routersolicit; 188 /* ipv6IfIcmpInRouterAdvertisements, # of input router advertisements */ 189 u_quad_t ifs6_in_routeradvert; 190 /* ipv6IfIcmpInNeighborSolicits, # of input neighbor solicitations */ 191 u_quad_t ifs6_in_neighborsolicit; 192 /* ipv6IfIcmpInNeighborAdvertisements, # of input neighbor advertisements */ 193 u_quad_t ifs6_in_neighboradvert; 194 /* ipv6IfIcmpInRedirects, # of input redirects */ 195 u_quad_t ifs6_in_redirect; 196 /* ipv6IfIcmpInGroupMembQueries, # of input MLD queries */ 197 u_quad_t ifs6_in_mldquery; 198 /* ipv6IfIcmpInGroupMembResponses, # of input MLD reports */ 199 u_quad_t ifs6_in_mldreport; 200 /* ipv6IfIcmpInGroupMembReductions, # of input MLD done */ 201 u_quad_t ifs6_in_mlddone; 202 203 /* 204 * Output statistics. We should solve unresolved routing problem... 205 */ 206 /* ipv6IfIcmpOutMsgs, total # of output messages */ 207 u_quad_t ifs6_out_msg; 208 /* ipv6IfIcmpOutErrors, # of output error messages */ 209 u_quad_t ifs6_out_error; 210 /* ipv6IfIcmpOutDestUnreachs, # of output dest unreach errors */ 211 u_quad_t ifs6_out_dstunreach; 212 /* ipv6IfIcmpOutAdminProhibs, # of output administratively prohibited errs */ 213 u_quad_t ifs6_out_adminprohib; 214 /* ipv6IfIcmpOutTimeExcds, # of output time exceeded errors */ 215 u_quad_t ifs6_out_timeexceed; 216 /* ipv6IfIcmpOutParmProblems, # of output parameter problem errors */ 217 u_quad_t ifs6_out_paramprob; 218 /* ipv6IfIcmpOutPktTooBigs, # of output packet too big errors */ 219 u_quad_t ifs6_out_pkttoobig; 220 /* ipv6IfIcmpOutEchos, # of output echo requests */ 221 u_quad_t ifs6_out_echo; 222 /* ipv6IfIcmpOutEchoReplies, # of output echo replies */ 223 u_quad_t ifs6_out_echoreply; 224 /* ipv6IfIcmpOutRouterSolicits, # of output router solicitations */ 225 u_quad_t ifs6_out_routersolicit; 226 /* ipv6IfIcmpOutRouterAdvertisements, # of output router advertisements */ 227 u_quad_t ifs6_out_routeradvert; 228 /* ipv6IfIcmpOutNeighborSolicits, # of output neighbor solicitations */ 229 u_quad_t ifs6_out_neighborsolicit; 230 /* ipv6IfIcmpOutNeighborAdvertisements, # of output neighbor advertisements */ 231 u_quad_t ifs6_out_neighboradvert; 232 /* ipv6IfIcmpOutRedirects, # of output redirects */ 233 u_quad_t ifs6_out_redirect; 234 /* ipv6IfIcmpOutGroupMembQueries, # of output MLD queries */ 235 u_quad_t ifs6_out_mldquery; 236 /* ipv6IfIcmpOutGroupMembResponses, # of output MLD reports */ 237 u_quad_t ifs6_out_mldreport; 238 /* ipv6IfIcmpOutGroupMembReductions, # of output MLD done */ 239 u_quad_t ifs6_out_mlddone; 240 }; 241 242 struct in6_ifreq { 243 char ifr_name[IFNAMSIZ]; 244 union { 245 struct sockaddr_in6 ifru_addr; 246 struct sockaddr_in6 ifru_dstaddr; 247 short ifru_flags; 248 int ifru_flags6; 249 int ifru_metric; 250 caddr_t ifru_data; 251 struct in6_addrlifetime ifru_lifetime; 252 struct in6_ifstat ifru_stat; 253 struct icmp6_ifstat ifru_icmp6stat; 254 u_int32_t ifru_scope_id[16]; 255 } ifr_ifru; 256 }; 257 258 struct in6_aliasreq { 259 char ifra_name[IFNAMSIZ]; 260 struct sockaddr_in6 ifra_addr; 261 struct sockaddr_in6 ifra_dstaddr; 262 struct sockaddr_in6 ifra_prefixmask; 263 int ifra_flags; 264 struct in6_addrlifetime ifra_lifetime; 265 }; 266 267 /* prefix type macro */ 268 #define IN6_PREFIX_ND 1 269 #define IN6_PREFIX_RR 2 270 271 /* 272 * prefix related flags passed between kernel(NDP related part) and 273 * user land command(ifconfig) and daemon(rtadvd). 274 */ 275 struct in6_prflags { 276 struct prf_ra { 277 u_char onlink : 1; 278 u_char autonomous : 1; 279 u_char reserved : 6; 280 } prf_ra; 281 u_char prf_reserved1; 282 u_short prf_reserved2; 283 /* want to put this on 4byte offset */ 284 struct prf_rr { 285 u_char decrvalid : 1; 286 u_char decrprefd : 1; 287 u_char reserved : 6; 288 } prf_rr; 289 u_char prf_reserved3; 290 u_short prf_reserved4; 291 }; 292 293 struct in6_prefixreq { 294 char ipr_name[IFNAMSIZ]; 295 u_char ipr_origin; 296 u_char ipr_plen; 297 u_int32_t ipr_vltime; 298 u_int32_t ipr_pltime; 299 struct in6_prflags ipr_flags; 300 struct sockaddr_in6 ipr_prefix; 301 }; 302 303 #define PR_ORIG_RA 0 304 #define PR_ORIG_RR 1 305 #define PR_ORIG_STATIC 2 306 #define PR_ORIG_KERNEL 3 307 308 #define ipr_raf_onlink ipr_flags.prf_ra.onlink 309 #define ipr_raf_auto ipr_flags.prf_ra.autonomous 310 311 #define ipr_statef_onlink ipr_flags.prf_state.onlink 312 313 #define ipr_rrf_decrvalid ipr_flags.prf_rr.decrvalid 314 #define ipr_rrf_decrprefd ipr_flags.prf_rr.decrprefd 315 316 struct in6_rrenumreq { 317 char irr_name[IFNAMSIZ]; 318 u_char irr_origin; 319 u_char irr_m_len; /* match len for matchprefix */ 320 u_char irr_m_minlen; /* minlen for matching prefix */ 321 u_char irr_m_maxlen; /* maxlen for matching prefix */ 322 u_char irr_u_uselen; /* uselen for adding prefix */ 323 u_char irr_u_keeplen; /* keeplen from matching prefix */ 324 struct irr_raflagmask { 325 u_char onlink : 1; 326 u_char autonomous : 1; 327 u_char reserved : 6; 328 } irr_raflagmask; 329 u_int32_t irr_vltime; 330 u_int32_t irr_pltime; 331 struct in6_prflags irr_flags; 332 struct sockaddr_in6 irr_matchprefix; 333 struct sockaddr_in6 irr_useprefix; 334 }; 335 336 #define irr_raf_mask_onlink irr_raflagmask.onlink 337 #define irr_raf_mask_auto irr_raflagmask.autonomous 338 #define irr_raf_mask_reserved irr_raflagmask.reserved 339 340 #define irr_raf_onlink irr_flags.prf_ra.onlink 341 #define irr_raf_auto irr_flags.prf_ra.autonomous 342 343 #define irr_statef_onlink irr_flags.prf_state.onlink 344 345 #define irr_rrf irr_flags.prf_rr 346 #define irr_rrf_decrvalid irr_flags.prf_rr.decrvalid 347 #define irr_rrf_decrprefd irr_flags.prf_rr.decrprefd 348 349 /* 350 * Given a pointer to an in6_ifaddr (ifaddr), 351 * return a pointer to the addr as a sockaddr_in6 352 */ 353 #define IA6_IN6(ia) (&((ia)->ia_addr.sin6_addr)) 354 #define IA6_DSTIN6(ia) (&((ia)->ia_dstaddr.sin6_addr)) 355 #define IA6_MASKIN6(ia) (&((ia)->ia_prefixmask.sin6_addr)) 356 #define IA6_SIN6(ia) (&((ia)->ia_addr)) 357 #define IA6_DSTSIN6(ia) (&((ia)->ia_dstaddr)) 358 #define IFA_IN6(x) (&((struct sockaddr_in6 *)((x)->ifa_addr))->sin6_addr) 359 #define IFA_DSTIN6(x) (&((struct sockaddr_in6 *)((x)->ifa_dstaddr))->sin6_addr) 360 361 #define IFPR_IN6(x) (&((struct sockaddr_in6 *)((x)->ifpr_prefix))->sin6_addr) 362 363 #ifdef _KERNEL 364 #define IN6_ARE_MASKED_ADDR_EQUAL(d, a, m) ( \ 365 (((d)->s6_addr32[0] ^ (a)->s6_addr32[0]) & (m)->s6_addr32[0]) == 0 && \ 366 (((d)->s6_addr32[1] ^ (a)->s6_addr32[1]) & (m)->s6_addr32[1]) == 0 && \ 367 (((d)->s6_addr32[2] ^ (a)->s6_addr32[2]) & (m)->s6_addr32[2]) == 0 && \ 368 (((d)->s6_addr32[3] ^ (a)->s6_addr32[3]) & (m)->s6_addr32[3]) == 0 ) 369 #endif 370 371 #define SIOCSIFADDR_IN6 _IOW('i', 12, struct in6_ifreq) 372 #define SIOCGIFADDR_IN6 _IOWR('i', 33, struct in6_ifreq) 373 374 #ifdef _KERNEL 375 /* 376 * SIOCSxxx ioctls should be unused (see comments in in6.c), but 377 * we do not shift numbers for binary compatibility. 378 */ 379 #define SIOCSIFDSTADDR_IN6 _IOW('i', 14, struct in6_ifreq) 380 #define SIOCSIFNETMASK_IN6 _IOW('i', 22, struct in6_ifreq) 381 #endif 382 383 #define SIOCGIFDSTADDR_IN6 _IOWR('i', 34, struct in6_ifreq) 384 #define SIOCGIFNETMASK_IN6 _IOWR('i', 37, struct in6_ifreq) 385 386 #define SIOCDIFADDR_IN6 _IOW('i', 25, struct in6_ifreq) 387 #define SIOCAIFADDR_IN6 _IOW('i', 26, struct in6_aliasreq) 388 389 #define SIOCSIFPHYADDR_IN6 _IOW('i', 70, struct in6_aliasreq) 390 #define SIOCGIFPSRCADDR_IN6 _IOWR('i', 71, struct in6_ifreq) 391 #define SIOCGIFPDSTADDR_IN6 _IOWR('i', 72, struct in6_ifreq) 392 393 #define SIOCGIFAFLAG_IN6 _IOWR('i', 73, struct in6_ifreq) 394 395 #define SIOCGDRLST_IN6 _IOWR('i', 74, struct in6_drlist) 396 #define SIOCGPRLST_IN6 _IOWR('i', 75, struct in6_prlist) 397 #ifdef _KERNEL 398 #define OSIOCGIFINFO_IN6 _IOWR('i', 76, struct in6_ondireq) 399 #endif 400 #define SIOCGIFINFO_IN6 _IOWR('i', 108, struct in6_ndireq) 401 #define SIOCSNDFLUSH_IN6 _IOWR('i', 77, struct in6_ifreq) 402 #define SIOCGNBRINFO_IN6 _IOWR('i', 78, struct in6_nbrinfo) 403 #define SIOCSPFXFLUSH_IN6 _IOWR('i', 79, struct in6_ifreq) 404 #define SIOCSRTRFLUSH_IN6 _IOWR('i', 80, struct in6_ifreq) 405 406 #define SIOCGIFALIFETIME_IN6 _IOWR('i', 81, struct in6_ifreq) 407 #define SIOCSIFALIFETIME_IN6 _IOWR('i', 82, struct in6_ifreq) 408 #define SIOCGIFSTAT_IN6 _IOWR('i', 83, struct in6_ifreq) 409 #define SIOCGIFSTAT_ICMP6 _IOWR('i', 84, struct in6_ifreq) 410 411 #define SIOCSDEFIFACE_IN6 _IOWR('i', 85, struct in6_ndifreq) 412 #define SIOCGDEFIFACE_IN6 _IOWR('i', 86, struct in6_ndifreq) 413 414 #define SIOCSIFINFO_FLAGS _IOWR('i', 87, struct in6_ndireq) /* XXX */ 415 416 #define SIOCSSCOPE6 _IOW('i', 88, struct in6_ifreq) 417 #define SIOCGSCOPE6 _IOWR('i', 89, struct in6_ifreq) 418 #define SIOCGSCOPE6DEF _IOWR('i', 90, struct in6_ifreq) 419 420 #define SIOCSIFPREFIX_IN6 _IOW('i', 100, struct in6_prefixreq) /* set */ 421 #define SIOCGIFPREFIX_IN6 _IOWR('i', 101, struct in6_prefixreq) /* get */ 422 #define SIOCDIFPREFIX_IN6 _IOW('i', 102, struct in6_prefixreq) /* del */ 423 #define SIOCAIFPREFIX_IN6 _IOW('i', 103, struct in6_rrenumreq) /* add */ 424 #define SIOCCIFPREFIX_IN6 _IOW('i', 104, \ 425 struct in6_rrenumreq) /* change */ 426 #define SIOCSGIFPREFIX_IN6 _IOW('i', 105, \ 427 struct in6_rrenumreq) /* set global */ 428 429 #define SIOCGETSGCNT_IN6 _IOWR('u', 106, \ 430 struct sioc_sg_req6) /* get s,g pkt cnt */ 431 #define SIOCGETMIFCNT_IN6 _IOWR('u', 107, \ 432 struct sioc_mif_req6) /* get pkt cnt per if */ 433 434 #define IN6_IFF_ANYCAST 0x01 /* anycast address */ 435 #define IN6_IFF_TENTATIVE 0x02 /* tentative address */ 436 #define IN6_IFF_DUPLICATED 0x04 /* DAD detected duplicate */ 437 #define IN6_IFF_DETACHED 0x08 /* may be detached from the link */ 438 #define IN6_IFF_DEPRECATED 0x10 /* deprecated address */ 439 #define IN6_IFF_NODAD 0x20 /* don't perform DAD on this address 440 * (used only at first SIOC* call) 441 */ 442 #define IN6_IFF_AUTOCONF 0x40 /* autoconfigurable address. */ 443 #define IN6_IFF_TEMPORARY 0x80 /* temporary (anonymous) address. */ 444 #define IN6_IFF_NOPFX 0x8000 /* skip kernel prefix management. 445 * XXX: this should be temporary. 446 */ 447 448 /* do not input/output */ 449 #define IN6_IFF_NOTREADY (IN6_IFF_TENTATIVE|IN6_IFF_DUPLICATED) 450 451 #ifdef _KERNEL 452 #define IN6_ARE_SCOPE_CMP(a,b) ((a)-(b)) 453 #define IN6_ARE_SCOPE_EQUAL(a,b) ((a)==(b)) 454 #endif 455 456 #ifdef _KERNEL 457 extern struct in6_ifaddr *in6_ifaddr; 458 459 extern struct icmp6stat icmp6stat; 460 #define in6_ifstat_inc(ifp, tag) \ 461 do { \ 462 if (ifp) \ 463 ((struct in6_ifextra *)((ifp)->if_afdata[AF_INET6]))->in6_ifstat->tag++; \ 464 } while (0) 465 466 extern struct ifqueue ip6intrq; /* IP6 packet input queue */ 467 extern struct in6_addr zeroin6_addr; 468 extern u_char inet6ctlerrmap[]; 469 extern unsigned long in6_maxmtu; 470 #ifdef MALLOC_DECLARE 471 MALLOC_DECLARE(M_IPMADDR); 472 #endif 473 474 /* 475 * Macro for finding the internet address structure (in6_ifaddr) corresponding 476 * to a given interface (ifnet structure). 477 */ 478 479 #define IFP_TO_IA6(ifp, ia) \ 480 /* struct ifnet *ifp; */ \ 481 /* struct in6_ifaddr *ia; */ \ 482 do { \ 483 struct ifaddr *ifa; \ 484 TAILQ_FOREACH(ifa, &(ifp)->if_addrhead, ifa_list) { \ 485 if (!ifa->ifa_addr) \ 486 continue; \ 487 if (ifa->ifa_addr->sa_family == AF_INET6) \ 488 break; \ 489 } \ 490 (ia) = (struct in6_ifaddr *)ifa; \ 491 } while (0) 492 493 #endif /* _KERNEL */ 494 495 /* 496 * Multi-cast membership entry. One for each group/ifp that a PCB 497 * belongs to. 498 */ 499 struct in6_multi_mship { 500 struct in6_multi *i6mm_maddr; /* Multicast address pointer */ 501 LIST_ENTRY(in6_multi_mship) i6mm_chain; /* multicast options chain */ 502 }; 503 504 struct in6_multi { 505 LIST_ENTRY(in6_multi) in6m_entry; /* list glue */ 506 struct in6_addr in6m_addr; /* IP6 multicast address */ 507 struct ifnet *in6m_ifp; /* back pointer to ifnet */ 508 struct ifmultiaddr *in6m_ifma; /* back pointer to ifmultiaddr */ 509 u_int in6m_refcount; /* # membership claims by sockets */ 510 u_int in6m_state; /* state of the membership */ 511 u_int in6m_timer; /* MLD6 listener report timer */ 512 }; 513 514 #ifdef _KERNEL 515 extern LIST_HEAD(in6_multihead, in6_multi) in6_multihead; 516 517 /* 518 * Structure used by macros below to remember position when stepping through 519 * all of the in6_multi records. 520 */ 521 struct in6_multistep { 522 struct in6_ifaddr *i_ia; 523 struct in6_multi *i_in6m; 524 }; 525 526 /* 527 * Macros for looking up the in6_multi record for a given IP6 multicast 528 * address on a given interface. If no matching record is found, "in6m" 529 * returns NLL. 530 */ 531 532 #define IN6_LOOKUP_MULTI(addr, ifp, in6m) \ 533 /* struct in6_addr addr; */ \ 534 /* struct ifnet *ifp; */ \ 535 /* struct in6_multi *in6m; */ \ 536 do { \ 537 struct ifmultiaddr *ifma; \ 538 for (ifma = (ifp)->if_multiaddrs.lh_first; ifma; \ 539 ifma = ifma->ifma_link.le_next) { \ 540 if (ifma->ifma_addr->sa_family == AF_INET6 \ 541 && IN6_ARE_ADDR_EQUAL(&((struct sockaddr_in6 *)ifma->ifma_addr)->sin6_addr, \ 542 &(addr))) \ 543 break; \ 544 } \ 545 (in6m) = (struct in6_multi *)(ifma ? ifma->ifma_protospec : 0); \ 546 } while(0) 547 548 /* 549 * Macro to step through all of the in6_multi records, one at a time. 550 * The current position is remembered in "step", which the caller must 551 * provide. IN6_FIRST_MULTI(), below, must be called to initialize "step" 552 * and get the first record. Both macros return a NULL "in6m" when there 553 * are no remaining records. 554 */ 555 #define IN6_NEXT_MULTI(step, in6m) \ 556 /* struct in6_multistep step; */ \ 557 /* struct in6_multi *in6m; */ \ 558 do { \ 559 if (((in6m) = (step).i_in6m) != NULL) \ 560 (step).i_in6m = (step).i_in6m->in6m_entry.le_next; \ 561 } while(0) 562 563 #define IN6_FIRST_MULTI(step, in6m) \ 564 /* struct in6_multistep step; */ \ 565 /* struct in6_multi *in6m */ \ 566 do { \ 567 (step).i_in6m = in6_multihead.lh_first; \ 568 IN6_NEXT_MULTI((step), (in6m)); \ 569 } while(0) 570 571 struct in6_multi *in6_addmulti (struct in6_addr *, struct ifnet *, 572 int *); 573 void in6_delmulti (struct in6_multi *); 574 extern int in6_ifindex2scopeid (int); 575 extern int in6_mask2len (struct in6_addr *, u_char *); 576 extern void in6_len2mask (struct in6_addr *, int); 577 int in6_control (struct socket *, 578 u_long, caddr_t, struct ifnet *, struct thread *); 579 int in6_update_ifa (struct ifnet *, struct in6_aliasreq *, 580 struct in6_ifaddr *); 581 void in6_purgeaddr (struct ifaddr *); 582 int in6if_do_dad (struct ifnet *); 583 void in6_purgeif (struct ifnet *); 584 void in6_savemkludge (struct in6_ifaddr *); 585 void *in6_domifattach (struct ifnet *); 586 void in6_domifdetach (struct ifnet *, void *); 587 void in6_setmaxmtu (void); 588 void in6_restoremkludge (struct in6_ifaddr *, struct ifnet *); 589 void in6_purgemkludge (struct ifnet *); 590 struct in6_ifaddr *in6ifa_ifpforlinklocal (struct ifnet *, int); 591 struct in6_ifaddr *in6ifa_ifpwithaddr (struct ifnet *, 592 struct in6_addr *); 593 char *ip6_sprintf (const struct in6_addr *); 594 int in6_addr2scopeid (struct ifnet *, struct in6_addr *); 595 int in6_matchlen (struct in6_addr *, struct in6_addr *); 596 int in6_are_prefix_equal (struct in6_addr *p1, struct in6_addr *p2, 597 int len); 598 void in6_prefixlen2mask (struct in6_addr *maskp, int len); 599 int in6_prefix_ioctl (struct socket *so, u_long cmd, caddr_t data, 600 struct ifnet *ifp); 601 int in6_prefix_add_ifid (int iilen, struct in6_ifaddr *ia); 602 void in6_prefix_remove_ifid (int iilen, struct in6_ifaddr *ia); 603 void in6_purgeprefix (struct ifnet *); 604 605 int in6_is_addr_deprecated (struct sockaddr_in6 *); 606 struct inpcb; 607 int in6_embedscope (struct in6_addr *, const struct sockaddr_in6 *, 608 struct inpcb *, struct ifnet **); 609 int in6_recoverscope (struct sockaddr_in6 *, const struct in6_addr *, 610 struct ifnet *); 611 void in6_clearscope (struct in6_addr *); 612 #endif /* _KERNEL */ 613 614 #endif /* _NETINET6_IN6_VAR_H_ */ 615