in6_var.h revision 121742
1/* $FreeBSD: head/sys/netinet6/in6_var.h 121742 2003-10-30 15:29:17Z ume $ */ 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 */ 86struct 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 93struct nd_ifinfo; 94struct scope6_id; 95struct in6_ifextra { 96 struct in6_ifstat *in6_ifstat; 97 struct icmp6_ifstat *icmp6_ifstat; 98 struct nd_ifinfo *nd_ifinfo; 99 struct scope6_id *scope6_id; 100}; 101 102struct in6_ifaddr { 103 struct ifaddr ia_ifa; /* protocol-independent info */ 104#define ia_ifp ia_ifa.ifa_ifp 105#define ia_flags ia_ifa.ifa_flags 106 struct sockaddr_in6 ia_addr; /* interface address */ 107 struct sockaddr_in6 ia_net; /* network number of interface */ 108 struct sockaddr_in6 ia_dstaddr; /* space for destination addr */ 109 struct sockaddr_in6 ia_prefixmask; /* prefix mask */ 110 u_int32_t ia_plen; /* prefix length */ 111 struct in6_ifaddr *ia_next; /* next in6 list of IP6 addresses */ 112 int ia6_flags; 113 114 struct in6_addrlifetime ia6_lifetime; 115 struct ifprefix *ia6_ifpr; /* back pointer to ifprefix */ 116 117 /* back pointer to the ND prefix (for autoconfigured addresses only) */ 118 struct nd_prefix *ia6_ndpr; 119}; 120 121/* control structure to manage address selection policy */ 122struct in6_addrpolicy { 123 struct sockaddr_in6 addr; /* prefix address */ 124 struct sockaddr_in6 addrmask; /* prefix mask */ 125 int preced; /* precedence */ 126 int label; /* matching label */ 127 u_quad_t use; /* statistics */ 128}; 129 130/* 131 * IPv6 interface statistics, as defined in RFC2465 Ipv6IfStatsEntry (p12). 132 */ 133struct in6_ifstat { 134 u_quad_t ifs6_in_receive; /* # of total input datagram */ 135 u_quad_t ifs6_in_hdrerr; /* # of datagrams with invalid hdr */ 136 u_quad_t ifs6_in_toobig; /* # of datagrams exceeded MTU */ 137 u_quad_t ifs6_in_noroute; /* # of datagrams with no route */ 138 u_quad_t ifs6_in_addrerr; /* # of datagrams with invalid dst */ 139 u_quad_t ifs6_in_protounknown; /* # of datagrams with unknown proto */ 140 /* NOTE: increment on final dst if */ 141 u_quad_t ifs6_in_truncated; /* # of truncated datagrams */ 142 u_quad_t ifs6_in_discard; /* # of discarded datagrams */ 143 /* NOTE: fragment timeout is not here */ 144 u_quad_t ifs6_in_deliver; /* # of datagrams delivered to ULP */ 145 /* NOTE: increment on final dst if */ 146 u_quad_t ifs6_out_forward; /* # of datagrams forwarded */ 147 /* NOTE: increment on outgoing if */ 148 u_quad_t ifs6_out_request; /* # of outgoing datagrams from ULP */ 149 /* NOTE: does not include forwrads */ 150 u_quad_t ifs6_out_discard; /* # of discarded datagrams */ 151 u_quad_t ifs6_out_fragok; /* # of datagrams fragmented */ 152 u_quad_t ifs6_out_fragfail; /* # of datagrams failed on fragment */ 153 u_quad_t ifs6_out_fragcreat; /* # of fragment datagrams */ 154 /* NOTE: this is # after fragment */ 155 u_quad_t ifs6_reass_reqd; /* # of incoming fragmented packets */ 156 /* NOTE: increment on final dst if */ 157 u_quad_t ifs6_reass_ok; /* # of reassembled packets */ 158 /* NOTE: this is # after reass */ 159 /* NOTE: increment on final dst if */ 160 u_quad_t ifs6_reass_fail; /* # of reass failures */ 161 /* NOTE: may not be packet count */ 162 /* NOTE: increment on final dst if */ 163 u_quad_t ifs6_in_mcast; /* # of inbound multicast datagrams */ 164 u_quad_t ifs6_out_mcast; /* # of outbound multicast datagrams */ 165}; 166 167/* 168 * ICMPv6 interface statistics, as defined in RFC2466 Ipv6IfIcmpEntry. 169 * XXX: I'm not sure if this file is the right place for this structure... 170 */ 171struct icmp6_ifstat { 172 /* 173 * Input statistics 174 */ 175 /* ipv6IfIcmpInMsgs, total # of input messages */ 176 u_quad_t ifs6_in_msg; 177 /* ipv6IfIcmpInErrors, # of input error messages */ 178 u_quad_t ifs6_in_error; 179 /* ipv6IfIcmpInDestUnreachs, # of input dest unreach errors */ 180 u_quad_t ifs6_in_dstunreach; 181 /* ipv6IfIcmpInAdminProhibs, # of input administratively prohibited errs */ 182 u_quad_t ifs6_in_adminprohib; 183 /* ipv6IfIcmpInTimeExcds, # of input time exceeded errors */ 184 u_quad_t ifs6_in_timeexceed; 185 /* ipv6IfIcmpInParmProblems, # of input parameter problem errors */ 186 u_quad_t ifs6_in_paramprob; 187 /* ipv6IfIcmpInPktTooBigs, # of input packet too big errors */ 188 u_quad_t ifs6_in_pkttoobig; 189 /* ipv6IfIcmpInEchos, # of input echo requests */ 190 u_quad_t ifs6_in_echo; 191 /* ipv6IfIcmpInEchoReplies, # of input echo replies */ 192 u_quad_t ifs6_in_echoreply; 193 /* ipv6IfIcmpInRouterSolicits, # of input router solicitations */ 194 u_quad_t ifs6_in_routersolicit; 195 /* ipv6IfIcmpInRouterAdvertisements, # of input router advertisements */ 196 u_quad_t ifs6_in_routeradvert; 197 /* ipv6IfIcmpInNeighborSolicits, # of input neighbor solicitations */ 198 u_quad_t ifs6_in_neighborsolicit; 199 /* ipv6IfIcmpInNeighborAdvertisements, # of input neighbor advertisements */ 200 u_quad_t ifs6_in_neighboradvert; 201 /* ipv6IfIcmpInRedirects, # of input redirects */ 202 u_quad_t ifs6_in_redirect; 203 /* ipv6IfIcmpInGroupMembQueries, # of input MLD queries */ 204 u_quad_t ifs6_in_mldquery; 205 /* ipv6IfIcmpInGroupMembResponses, # of input MLD reports */ 206 u_quad_t ifs6_in_mldreport; 207 /* ipv6IfIcmpInGroupMembReductions, # of input MLD done */ 208 u_quad_t ifs6_in_mlddone; 209 210 /* 211 * Output statistics. We should solve unresolved routing problem... 212 */ 213 /* ipv6IfIcmpOutMsgs, total # of output messages */ 214 u_quad_t ifs6_out_msg; 215 /* ipv6IfIcmpOutErrors, # of output error messages */ 216 u_quad_t ifs6_out_error; 217 /* ipv6IfIcmpOutDestUnreachs, # of output dest unreach errors */ 218 u_quad_t ifs6_out_dstunreach; 219 /* ipv6IfIcmpOutAdminProhibs, # of output administratively prohibited errs */ 220 u_quad_t ifs6_out_adminprohib; 221 /* ipv6IfIcmpOutTimeExcds, # of output time exceeded errors */ 222 u_quad_t ifs6_out_timeexceed; 223 /* ipv6IfIcmpOutParmProblems, # of output parameter problem errors */ 224 u_quad_t ifs6_out_paramprob; 225 /* ipv6IfIcmpOutPktTooBigs, # of output packet too big errors */ 226 u_quad_t ifs6_out_pkttoobig; 227 /* ipv6IfIcmpOutEchos, # of output echo requests */ 228 u_quad_t ifs6_out_echo; 229 /* ipv6IfIcmpOutEchoReplies, # of output echo replies */ 230 u_quad_t ifs6_out_echoreply; 231 /* ipv6IfIcmpOutRouterSolicits, # of output router solicitations */ 232 u_quad_t ifs6_out_routersolicit; 233 /* ipv6IfIcmpOutRouterAdvertisements, # of output router advertisements */ 234 u_quad_t ifs6_out_routeradvert; 235 /* ipv6IfIcmpOutNeighborSolicits, # of output neighbor solicitations */ 236 u_quad_t ifs6_out_neighborsolicit; 237 /* ipv6IfIcmpOutNeighborAdvertisements, # of output neighbor advertisements */ 238 u_quad_t ifs6_out_neighboradvert; 239 /* ipv6IfIcmpOutRedirects, # of output redirects */ 240 u_quad_t ifs6_out_redirect; 241 /* ipv6IfIcmpOutGroupMembQueries, # of output MLD queries */ 242 u_quad_t ifs6_out_mldquery; 243 /* ipv6IfIcmpOutGroupMembResponses, # of output MLD reports */ 244 u_quad_t ifs6_out_mldreport; 245 /* ipv6IfIcmpOutGroupMembReductions, # of output MLD done */ 246 u_quad_t ifs6_out_mlddone; 247}; 248 249struct in6_ifreq { 250 char ifr_name[IFNAMSIZ]; 251 union { 252 struct sockaddr_in6 ifru_addr; 253 struct sockaddr_in6 ifru_dstaddr; 254 int ifru_flags; 255 int ifru_flags6; 256 int ifru_metric; 257 caddr_t ifru_data; 258 struct in6_addrlifetime ifru_lifetime; 259 struct in6_ifstat ifru_stat; 260 struct icmp6_ifstat ifru_icmp6stat; 261 u_int32_t ifru_scope_id[16]; 262 } ifr_ifru; 263}; 264 265struct in6_aliasreq { 266 char ifra_name[IFNAMSIZ]; 267 struct sockaddr_in6 ifra_addr; 268 struct sockaddr_in6 ifra_dstaddr; 269 struct sockaddr_in6 ifra_prefixmask; 270 int ifra_flags; 271 struct in6_addrlifetime ifra_lifetime; 272}; 273 274/* prefix type macro */ 275#define IN6_PREFIX_ND 1 276#define IN6_PREFIX_RR 2 277 278/* 279 * prefix related flags passed between kernel(NDP related part) and 280 * user land command(ifconfig) and daemon(rtadvd). 281 */ 282struct in6_prflags { 283 struct prf_ra { 284 u_char onlink : 1; 285 u_char autonomous : 1; 286 u_char reserved : 6; 287 } prf_ra; 288 u_char prf_reserved1; 289 u_short prf_reserved2; 290 /* want to put this on 4byte offset */ 291 struct prf_rr { 292 u_char decrvalid : 1; 293 u_char decrprefd : 1; 294 u_char reserved : 6; 295 } prf_rr; 296 u_char prf_reserved3; 297 u_short prf_reserved4; 298}; 299 300struct in6_prefixreq { 301 char ipr_name[IFNAMSIZ]; 302 u_char ipr_origin; 303 u_char ipr_plen; 304 u_int32_t ipr_vltime; 305 u_int32_t ipr_pltime; 306 struct in6_prflags ipr_flags; 307 struct sockaddr_in6 ipr_prefix; 308}; 309 310#define PR_ORIG_RA 0 311#define PR_ORIG_RR 1 312#define PR_ORIG_STATIC 2 313#define PR_ORIG_KERNEL 3 314 315#define ipr_raf_onlink ipr_flags.prf_ra.onlink 316#define ipr_raf_auto ipr_flags.prf_ra.autonomous 317 318#define ipr_statef_onlink ipr_flags.prf_state.onlink 319 320#define ipr_rrf_decrvalid ipr_flags.prf_rr.decrvalid 321#define ipr_rrf_decrprefd ipr_flags.prf_rr.decrprefd 322 323struct in6_rrenumreq { 324 char irr_name[IFNAMSIZ]; 325 u_char irr_origin; 326 u_char irr_m_len; /* match len for matchprefix */ 327 u_char irr_m_minlen; /* minlen for matching prefix */ 328 u_char irr_m_maxlen; /* maxlen for matching prefix */ 329 u_char irr_u_uselen; /* uselen for adding prefix */ 330 u_char irr_u_keeplen; /* keeplen from matching prefix */ 331 struct irr_raflagmask { 332 u_char onlink : 1; 333 u_char autonomous : 1; 334 u_char reserved : 6; 335 } irr_raflagmask; 336 u_int32_t irr_vltime; 337 u_int32_t irr_pltime; 338 struct in6_prflags irr_flags; 339 struct sockaddr_in6 irr_matchprefix; 340 struct sockaddr_in6 irr_useprefix; 341}; 342 343#define irr_raf_mask_onlink irr_raflagmask.onlink 344#define irr_raf_mask_auto irr_raflagmask.autonomous 345#define irr_raf_mask_reserved irr_raflagmask.reserved 346 347#define irr_raf_onlink irr_flags.prf_ra.onlink 348#define irr_raf_auto irr_flags.prf_ra.autonomous 349 350#define irr_statef_onlink irr_flags.prf_state.onlink 351 352#define irr_rrf irr_flags.prf_rr 353#define irr_rrf_decrvalid irr_flags.prf_rr.decrvalid 354#define irr_rrf_decrprefd irr_flags.prf_rr.decrprefd 355 356/* 357 * Given a pointer to an in6_ifaddr (ifaddr), 358 * return a pointer to the addr as a sockaddr_in6 359 */ 360#define IA6_IN6(ia) (&((ia)->ia_addr.sin6_addr)) 361#define IA6_DSTIN6(ia) (&((ia)->ia_dstaddr.sin6_addr)) 362#define IA6_MASKIN6(ia) (&((ia)->ia_prefixmask.sin6_addr)) 363#define IA6_SIN6(ia) (&((ia)->ia_addr)) 364#define IA6_DSTSIN6(ia) (&((ia)->ia_dstaddr)) 365#define IFA_IN6(x) (&((struct sockaddr_in6 *)((x)->ifa_addr))->sin6_addr) 366#define IFA_DSTIN6(x) (&((struct sockaddr_in6 *)((x)->ifa_dstaddr))->sin6_addr) 367 368#define IFPR_IN6(x) (&((struct sockaddr_in6 *)((x)->ifpr_prefix))->sin6_addr) 369 370#ifdef _KERNEL 371#define IN6_ARE_MASKED_ADDR_EQUAL(d, a, m) ( \ 372 (((d)->s6_addr32[0] ^ (a)->s6_addr32[0]) & (m)->s6_addr32[0]) == 0 && \ 373 (((d)->s6_addr32[1] ^ (a)->s6_addr32[1]) & (m)->s6_addr32[1]) == 0 && \ 374 (((d)->s6_addr32[2] ^ (a)->s6_addr32[2]) & (m)->s6_addr32[2]) == 0 && \ 375 (((d)->s6_addr32[3] ^ (a)->s6_addr32[3]) & (m)->s6_addr32[3]) == 0 ) 376#endif 377 378#define SIOCSIFADDR_IN6 _IOW('i', 12, struct in6_ifreq) 379#define SIOCGIFADDR_IN6 _IOWR('i', 33, struct in6_ifreq) 380 381#ifdef _KERNEL 382/* 383 * SIOCSxxx ioctls should be unused (see comments in in6.c), but 384 * we do not shift numbers for binary compatibility. 385 */ 386#define SIOCSIFDSTADDR_IN6 _IOW('i', 14, struct in6_ifreq) 387#define SIOCSIFNETMASK_IN6 _IOW('i', 22, struct in6_ifreq) 388#endif 389 390#define SIOCGIFDSTADDR_IN6 _IOWR('i', 34, struct in6_ifreq) 391#define SIOCGIFNETMASK_IN6 _IOWR('i', 37, struct in6_ifreq) 392 393#define SIOCDIFADDR_IN6 _IOW('i', 25, struct in6_ifreq) 394#define SIOCAIFADDR_IN6 _IOW('i', 26, struct in6_aliasreq) 395 396#define SIOCSIFPHYADDR_IN6 _IOW('i', 70, struct in6_aliasreq) 397#define SIOCGIFPSRCADDR_IN6 _IOWR('i', 71, struct in6_ifreq) 398#define SIOCGIFPDSTADDR_IN6 _IOWR('i', 72, struct in6_ifreq) 399 400#define SIOCGIFAFLAG_IN6 _IOWR('i', 73, struct in6_ifreq) 401 402#define SIOCGDRLST_IN6 _IOWR('i', 74, struct in6_drlist) 403#ifdef _KERNEL 404/* XXX: SIOCGPRLST_IN6 is exposed in KAME but in6_oprlist is not. */ 405#define SIOCGPRLST_IN6 _IOWR('i', 75, struct in6_oprlist) 406#endif 407#ifdef _KERNEL 408#define OSIOCGIFINFO_IN6 _IOWR('i', 76, struct in6_ondireq) 409#endif 410#define SIOCGIFINFO_IN6 _IOWR('i', 108, 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 470extern struct in6_ifaddr *in6_ifaddr; 471 472extern struct icmp6stat icmp6stat; 473#define in6_ifstat_inc(ifp, tag) \ 474do { \ 475 if (ifp) \ 476 ((struct in6_ifextra *)((ifp)->if_afdata[AF_INET6]))->in6_ifstat->tag++; \ 477} while (/*CONSTCOND*/ 0) 478 479extern struct in6_addr zeroin6_addr; 480extern u_char inet6ctlerrmap[]; 481extern unsigned long in6_maxmtu; 482#ifdef MALLOC_DECLARE 483MALLOC_DECLARE(M_IPMADDR); 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; */ \ 494do { \ 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 */ 511struct 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 516struct 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}; 525 526#ifdef _KERNEL 527extern LIST_HEAD(in6_multihead, in6_multi) in6_multihead; 528 529/* 530 * Structure used by macros below to remember position when stepping through 531 * all of the in6_multi records. 532 */ 533struct in6_multistep { 534 struct in6_ifaddr *i_ia; 535 struct in6_multi *i_in6m; 536}; 537 538/* 539 * Macros for looking up the in6_multi record for a given IP6 multicast 540 * address on a given interface. If no matching record is found, "in6m" 541 * returns NLL. 542 */ 543 544#define IN6_LOOKUP_MULTI(addr, ifp, in6m) \ 545/* struct in6_addr addr; */ \ 546/* struct ifnet *ifp; */ \ 547/* struct in6_multi *in6m; */ \ 548do { \ 549 struct ifmultiaddr *ifma; \ 550 TAILQ_FOREACH(ifma, &(ifp)->if_multiaddrs, ifma_link) { \ 551 if (ifma->ifma_addr->sa_family == AF_INET6 \ 552 && IN6_ARE_ADDR_EQUAL(&((struct sockaddr_in6 *)ifma->ifma_addr)->sin6_addr, \ 553 &(addr))) \ 554 break; \ 555 } \ 556 (in6m) = (struct in6_multi *)(ifma ? ifma->ifma_protospec : 0); \ 557} while(0) 558 559/* 560 * Macro to step through all of the in6_multi records, one at a time. 561 * The current position is remembered in "step", which the caller must 562 * provide. IN6_FIRST_MULTI(), below, must be called to initialize "step" 563 * and get the first record. Both macros return a NULL "in6m" when there 564 * are no remaining records. 565 */ 566#define IN6_NEXT_MULTI(step, in6m) \ 567/* struct in6_multistep step; */ \ 568/* struct in6_multi *in6m; */ \ 569do { \ 570 if (((in6m) = (step).i_in6m) != NULL) \ 571 (step).i_in6m = (step).i_in6m->in6m_entry.le_next; \ 572} while(0) 573 574#define IN6_FIRST_MULTI(step, in6m) \ 575/* struct in6_multistep step; */ \ 576/* struct in6_multi *in6m */ \ 577do { \ 578 (step).i_in6m = in6_multihead.lh_first; \ 579 IN6_NEXT_MULTI((step), (in6m)); \ 580} while(0) 581 582struct in6_multi *in6_addmulti __P((struct in6_addr *, struct ifnet *, 583 int *)); 584void in6_delmulti __P((struct in6_multi *)); 585int in6_mask2len __P((struct in6_addr *, u_char *)); 586int in6_control __P((struct socket *, u_long, caddr_t, struct ifnet *, 587 struct thread *)); 588int in6_update_ifa __P((struct ifnet *, struct in6_aliasreq *, 589 struct in6_ifaddr *)); 590void in6_purgeaddr __P((struct ifaddr *)); 591int in6if_do_dad __P((struct ifnet *)); 592void in6_purgeif __P((struct ifnet *)); 593void in6_savemkludge __P((struct in6_ifaddr *)); 594void *in6_domifattach __P((struct ifnet *)); 595void in6_domifdetach __P((struct ifnet *, void *)); 596void in6_setmaxmtu __P((void)); 597void in6_restoremkludge __P((struct in6_ifaddr *, struct ifnet *)); 598void in6_purgemkludge __P((struct ifnet *)); 599struct in6_ifaddr *in6ifa_ifpforlinklocal __P((struct ifnet *, int)); 600struct in6_ifaddr *in6ifa_ifpwithaddr __P((struct ifnet *, struct in6_addr *)); 601char *ip6_sprintf __P((const struct in6_addr *)); 602int in6_addr2zoneid __P((struct ifnet *, struct in6_addr *, u_int32_t *)); 603int in6_matchlen __P((struct in6_addr *, struct in6_addr *)); 604int in6_are_prefix_equal __P((struct in6_addr *, struct in6_addr *, int)); 605void in6_prefixlen2mask __P((struct in6_addr *, int)); 606int in6_prefix_ioctl __P((struct socket *, u_long, caddr_t, 607 struct ifnet *)); 608int in6_prefix_add_ifid __P((int, struct in6_ifaddr *)); 609void in6_prefix_remove_ifid __P((int, struct in6_ifaddr *)); 610void in6_purgeprefix __P((struct ifnet *)); 611 612int in6_is_addr_deprecated __P((struct sockaddr_in6 *)); 613struct inpcb; 614int in6_embedscope __P((struct in6_addr *, const struct sockaddr_in6 *, 615 struct inpcb *, struct ifnet **)); 616int in6_recoverscope __P((struct sockaddr_in6 *, const struct in6_addr *, 617 struct ifnet *)); 618void in6_clearscope __P((struct in6_addr *)); 619int in6_src_ioctl __P((u_long, caddr_t)); 620#endif /* _KERNEL */ 621 622#endif /* _NETINET6_IN6_VAR_H_ */ 623