in6_var.h revision 185937
1/*- 2 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the project nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * $KAME: in6_var.h,v 1.56 2001/03/29 05:34:31 itojun Exp $ 30 */ 31 32/*- 33 * Copyright (c) 1985, 1986, 1993 34 * The Regents of the University of California. All rights reserved. 35 * 36 * Redistribution and use in source and binary forms, with or without 37 * modification, are permitted provided that the following conditions 38 * are met: 39 * 1. Redistributions of source code must retain the above copyright 40 * notice, this list of conditions and the following disclaimer. 41 * 2. Redistributions in binary form must reproduce the above copyright 42 * notice, this list of conditions and the following disclaimer in the 43 * documentation and/or other materials provided with the distribution. 44 * 4. Neither the name of the University nor the names of its contributors 45 * may be used to endorse or promote products derived from this software 46 * without specific prior written permission. 47 * 48 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 49 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 50 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 51 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 52 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 53 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 54 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 55 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 56 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 57 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 58 * SUCH DAMAGE. 59 * 60 * @(#)in_var.h 8.1 (Berkeley) 6/10/93 61 * $FreeBSD: head/sys/netinet6/in6_var.h 185937 2008-12-11 16:26:38Z bz $ 62 */ 63 64#ifndef _NETINET6_IN6_VAR_H_ 65#define _NETINET6_IN6_VAR_H_ 66 67/* 68 * Interface address, Internet version. One of these structures 69 * is allocated for each interface with an Internet address. 70 * The ifaddr structure contains the protocol-independent part 71 * of the structure and is assumed to be first. 72 */ 73 74/* 75 * pltime/vltime are just for future reference (required to implements 2 76 * hour rule for hosts). they should never be modified by nd6_timeout or 77 * anywhere else. 78 * userland -> kernel: accept pltime/vltime 79 * kernel -> userland: throw up everything 80 * in kernel: modify preferred/expire only 81 */ 82struct in6_addrlifetime { 83 time_t ia6t_expire; /* valid lifetime expiration time */ 84 time_t ia6t_preferred; /* preferred lifetime expiration time */ 85 u_int32_t ia6t_vltime; /* valid lifetime */ 86 u_int32_t ia6t_pltime; /* prefix lifetime */ 87}; 88 89struct nd_ifinfo; 90struct scope6_id; 91struct in6_ifextra { 92 struct in6_ifstat *in6_ifstat; 93 struct icmp6_ifstat *icmp6_ifstat; 94 struct nd_ifinfo *nd_ifinfo; 95 struct scope6_id *scope6_id; 96}; 97 98struct in6_ifaddr { 99 struct ifaddr ia_ifa; /* protocol-independent info */ 100#define ia_ifp ia_ifa.ifa_ifp 101#define ia_flags ia_ifa.ifa_flags 102 struct sockaddr_in6 ia_addr; /* interface address */ 103 struct sockaddr_in6 ia_net; /* network number of interface */ 104 struct sockaddr_in6 ia_dstaddr; /* space for destination addr */ 105 struct sockaddr_in6 ia_prefixmask; /* prefix mask */ 106 u_int32_t ia_plen; /* prefix length */ 107 struct in6_ifaddr *ia_next; /* next in6 list of IP6 addresses */ 108 int ia6_flags; 109 110 struct in6_addrlifetime ia6_lifetime; 111 time_t ia6_createtime; /* the creation time of this address, which is 112 * currently used for temporary addresses only. 113 */ 114 time_t ia6_updatetime; 115 116 /* back pointer to the ND prefix (for autoconfigured addresses only) */ 117 struct nd_prefix *ia6_ndpr; 118 119 /* multicast addresses joined from the kernel */ 120 LIST_HEAD(, in6_multi_mship) ia6_memberships; 121}; 122 123/* control structure to manage address selection policy */ 124struct in6_addrpolicy { 125 struct sockaddr_in6 addr; /* prefix address */ 126 struct sockaddr_in6 addrmask; /* prefix mask */ 127 int preced; /* precedence */ 128 int label; /* matching label */ 129 u_quad_t use; /* statistics */ 130}; 131 132/* 133 * IPv6 interface statistics, as defined in RFC2465 Ipv6IfStatsEntry (p12). 134 */ 135struct in6_ifstat { 136 u_quad_t ifs6_in_receive; /* # of total input datagram */ 137 u_quad_t ifs6_in_hdrerr; /* # of datagrams with invalid hdr */ 138 u_quad_t ifs6_in_toobig; /* # of datagrams exceeded MTU */ 139 u_quad_t ifs6_in_noroute; /* # of datagrams with no route */ 140 u_quad_t ifs6_in_addrerr; /* # of datagrams with invalid dst */ 141 u_quad_t ifs6_in_protounknown; /* # of datagrams with unknown proto */ 142 /* NOTE: increment on final dst if */ 143 u_quad_t ifs6_in_truncated; /* # of truncated datagrams */ 144 u_quad_t ifs6_in_discard; /* # of discarded datagrams */ 145 /* NOTE: fragment timeout is not here */ 146 u_quad_t ifs6_in_deliver; /* # of datagrams delivered to ULP */ 147 /* NOTE: increment on final dst if */ 148 u_quad_t ifs6_out_forward; /* # of datagrams forwarded */ 149 /* NOTE: increment on outgoing if */ 150 u_quad_t ifs6_out_request; /* # of outgoing datagrams from ULP */ 151 /* NOTE: does not include forwrads */ 152 u_quad_t ifs6_out_discard; /* # of discarded datagrams */ 153 u_quad_t ifs6_out_fragok; /* # of datagrams fragmented */ 154 u_quad_t ifs6_out_fragfail; /* # of datagrams failed on fragment */ 155 u_quad_t ifs6_out_fragcreat; /* # of fragment datagrams */ 156 /* NOTE: this is # after fragment */ 157 u_quad_t ifs6_reass_reqd; /* # of incoming fragmented packets */ 158 /* NOTE: increment on final dst if */ 159 u_quad_t ifs6_reass_ok; /* # of reassembled packets */ 160 /* NOTE: this is # after reass */ 161 /* NOTE: increment on final dst if */ 162 u_quad_t ifs6_reass_fail; /* # of reass failures */ 163 /* NOTE: may not be packet count */ 164 /* NOTE: increment on final dst if */ 165 u_quad_t ifs6_in_mcast; /* # of inbound multicast datagrams */ 166 u_quad_t ifs6_out_mcast; /* # of outbound multicast datagrams */ 167}; 168 169/* 170 * ICMPv6 interface statistics, as defined in RFC2466 Ipv6IfIcmpEntry. 171 * XXX: I'm not sure if this file is the right place for this structure... 172 */ 173struct icmp6_ifstat { 174 /* 175 * Input statistics 176 */ 177 /* ipv6IfIcmpInMsgs, total # of input messages */ 178 u_quad_t ifs6_in_msg; 179 /* ipv6IfIcmpInErrors, # of input error messages */ 180 u_quad_t ifs6_in_error; 181 /* ipv6IfIcmpInDestUnreachs, # of input dest unreach errors */ 182 u_quad_t ifs6_in_dstunreach; 183 /* ipv6IfIcmpInAdminProhibs, # of input administratively prohibited errs */ 184 u_quad_t ifs6_in_adminprohib; 185 /* ipv6IfIcmpInTimeExcds, # of input time exceeded errors */ 186 u_quad_t ifs6_in_timeexceed; 187 /* ipv6IfIcmpInParmProblems, # of input parameter problem errors */ 188 u_quad_t ifs6_in_paramprob; 189 /* ipv6IfIcmpInPktTooBigs, # of input packet too big errors */ 190 u_quad_t ifs6_in_pkttoobig; 191 /* ipv6IfIcmpInEchos, # of input echo requests */ 192 u_quad_t ifs6_in_echo; 193 /* ipv6IfIcmpInEchoReplies, # of input echo replies */ 194 u_quad_t ifs6_in_echoreply; 195 /* ipv6IfIcmpInRouterSolicits, # of input router solicitations */ 196 u_quad_t ifs6_in_routersolicit; 197 /* ipv6IfIcmpInRouterAdvertisements, # of input router advertisements */ 198 u_quad_t ifs6_in_routeradvert; 199 /* ipv6IfIcmpInNeighborSolicits, # of input neighbor solicitations */ 200 u_quad_t ifs6_in_neighborsolicit; 201 /* ipv6IfIcmpInNeighborAdvertisements, # of input neighbor advertisements */ 202 u_quad_t ifs6_in_neighboradvert; 203 /* ipv6IfIcmpInRedirects, # of input redirects */ 204 u_quad_t ifs6_in_redirect; 205 /* ipv6IfIcmpInGroupMembQueries, # of input MLD queries */ 206 u_quad_t ifs6_in_mldquery; 207 /* ipv6IfIcmpInGroupMembResponses, # of input MLD reports */ 208 u_quad_t ifs6_in_mldreport; 209 /* ipv6IfIcmpInGroupMembReductions, # of input MLD done */ 210 u_quad_t ifs6_in_mlddone; 211 212 /* 213 * Output statistics. We should solve unresolved routing problem... 214 */ 215 /* ipv6IfIcmpOutMsgs, total # of output messages */ 216 u_quad_t ifs6_out_msg; 217 /* ipv6IfIcmpOutErrors, # of output error messages */ 218 u_quad_t ifs6_out_error; 219 /* ipv6IfIcmpOutDestUnreachs, # of output dest unreach errors */ 220 u_quad_t ifs6_out_dstunreach; 221 /* ipv6IfIcmpOutAdminProhibs, # of output administratively prohibited errs */ 222 u_quad_t ifs6_out_adminprohib; 223 /* ipv6IfIcmpOutTimeExcds, # of output time exceeded errors */ 224 u_quad_t ifs6_out_timeexceed; 225 /* ipv6IfIcmpOutParmProblems, # of output parameter problem errors */ 226 u_quad_t ifs6_out_paramprob; 227 /* ipv6IfIcmpOutPktTooBigs, # of output packet too big errors */ 228 u_quad_t ifs6_out_pkttoobig; 229 /* ipv6IfIcmpOutEchos, # of output echo requests */ 230 u_quad_t ifs6_out_echo; 231 /* ipv6IfIcmpOutEchoReplies, # of output echo replies */ 232 u_quad_t ifs6_out_echoreply; 233 /* ipv6IfIcmpOutRouterSolicits, # of output router solicitations */ 234 u_quad_t ifs6_out_routersolicit; 235 /* ipv6IfIcmpOutRouterAdvertisements, # of output router advertisements */ 236 u_quad_t ifs6_out_routeradvert; 237 /* ipv6IfIcmpOutNeighborSolicits, # of output neighbor solicitations */ 238 u_quad_t ifs6_out_neighborsolicit; 239 /* ipv6IfIcmpOutNeighborAdvertisements, # of output neighbor advertisements */ 240 u_quad_t ifs6_out_neighboradvert; 241 /* ipv6IfIcmpOutRedirects, # of output redirects */ 242 u_quad_t ifs6_out_redirect; 243 /* ipv6IfIcmpOutGroupMembQueries, # of output MLD queries */ 244 u_quad_t ifs6_out_mldquery; 245 /* ipv6IfIcmpOutGroupMembResponses, # of output MLD reports */ 246 u_quad_t ifs6_out_mldreport; 247 /* ipv6IfIcmpOutGroupMembReductions, # of output MLD done */ 248 u_quad_t ifs6_out_mlddone; 249}; 250 251struct in6_ifreq { 252 char ifr_name[IFNAMSIZ]; 253 union { 254 struct sockaddr_in6 ifru_addr; 255 struct sockaddr_in6 ifru_dstaddr; 256 int ifru_flags; 257 int ifru_flags6; 258 int ifru_metric; 259 caddr_t ifru_data; 260 struct in6_addrlifetime ifru_lifetime; 261 struct in6_ifstat ifru_stat; 262 struct icmp6_ifstat ifru_icmp6stat; 263 u_int32_t ifru_scope_id[16]; 264 } ifr_ifru; 265}; 266 267struct in6_aliasreq { 268 char ifra_name[IFNAMSIZ]; 269 struct sockaddr_in6 ifra_addr; 270 struct sockaddr_in6 ifra_dstaddr; 271 struct sockaddr_in6 ifra_prefixmask; 272 int ifra_flags; 273 struct in6_addrlifetime ifra_lifetime; 274}; 275 276/* prefix type macro */ 277#define IN6_PREFIX_ND 1 278#define IN6_PREFIX_RR 2 279 280/* 281 * prefix related flags passed between kernel(NDP related part) and 282 * user land command(ifconfig) and daemon(rtadvd). 283 */ 284struct in6_prflags { 285 struct prf_ra { 286 u_char onlink : 1; 287 u_char autonomous : 1; 288 u_char reserved : 6; 289 } prf_ra; 290 u_char prf_reserved1; 291 u_short prf_reserved2; 292 /* want to put this on 4byte offset */ 293 struct prf_rr { 294 u_char decrvalid : 1; 295 u_char decrprefd : 1; 296 u_char reserved : 6; 297 } prf_rr; 298 u_char prf_reserved3; 299 u_short prf_reserved4; 300}; 301 302struct in6_prefixreq { 303 char ipr_name[IFNAMSIZ]; 304 u_char ipr_origin; 305 u_char ipr_plen; 306 u_int32_t ipr_vltime; 307 u_int32_t ipr_pltime; 308 struct in6_prflags ipr_flags; 309 struct sockaddr_in6 ipr_prefix; 310}; 311 312#define PR_ORIG_RA 0 313#define PR_ORIG_RR 1 314#define PR_ORIG_STATIC 2 315#define PR_ORIG_KERNEL 3 316 317#define ipr_raf_onlink ipr_flags.prf_ra.onlink 318#define ipr_raf_auto ipr_flags.prf_ra.autonomous 319 320#define ipr_statef_onlink ipr_flags.prf_state.onlink 321 322#define ipr_rrf_decrvalid ipr_flags.prf_rr.decrvalid 323#define ipr_rrf_decrprefd ipr_flags.prf_rr.decrprefd 324 325struct in6_rrenumreq { 326 char irr_name[IFNAMSIZ]; 327 u_char irr_origin; 328 u_char irr_m_len; /* match len for matchprefix */ 329 u_char irr_m_minlen; /* minlen for matching prefix */ 330 u_char irr_m_maxlen; /* maxlen for matching prefix */ 331 u_char irr_u_uselen; /* uselen for adding prefix */ 332 u_char irr_u_keeplen; /* keeplen from matching prefix */ 333 struct irr_raflagmask { 334 u_char onlink : 1; 335 u_char autonomous : 1; 336 u_char reserved : 6; 337 } irr_raflagmask; 338 u_int32_t irr_vltime; 339 u_int32_t irr_pltime; 340 struct in6_prflags irr_flags; 341 struct sockaddr_in6 irr_matchprefix; 342 struct sockaddr_in6 irr_useprefix; 343}; 344 345#define irr_raf_mask_onlink irr_raflagmask.onlink 346#define irr_raf_mask_auto irr_raflagmask.autonomous 347#define irr_raf_mask_reserved irr_raflagmask.reserved 348 349#define irr_raf_onlink irr_flags.prf_ra.onlink 350#define irr_raf_auto irr_flags.prf_ra.autonomous 351 352#define irr_statef_onlink irr_flags.prf_state.onlink 353 354#define irr_rrf irr_flags.prf_rr 355#define irr_rrf_decrvalid irr_flags.prf_rr.decrvalid 356#define irr_rrf_decrprefd irr_flags.prf_rr.decrprefd 357 358/* 359 * Given a pointer to an in6_ifaddr (ifaddr), 360 * return a pointer to the addr as a sockaddr_in6 361 */ 362#define IA6_IN6(ia) (&((ia)->ia_addr.sin6_addr)) 363#define IA6_DSTIN6(ia) (&((ia)->ia_dstaddr.sin6_addr)) 364#define IA6_MASKIN6(ia) (&((ia)->ia_prefixmask.sin6_addr)) 365#define IA6_SIN6(ia) (&((ia)->ia_addr)) 366#define IA6_DSTSIN6(ia) (&((ia)->ia_dstaddr)) 367#define IFA_IN6(x) (&((struct sockaddr_in6 *)((x)->ifa_addr))->sin6_addr) 368#define IFA_DSTIN6(x) (&((struct sockaddr_in6 *)((x)->ifa_dstaddr))->sin6_addr) 369 370#define IFPR_IN6(x) (&((struct sockaddr_in6 *)((x)->ifpr_prefix))->sin6_addr) 371 372#ifdef _KERNEL 373#define IN6_ARE_MASKED_ADDR_EQUAL(d, a, m) ( \ 374 (((d)->s6_addr32[0] ^ (a)->s6_addr32[0]) & (m)->s6_addr32[0]) == 0 && \ 375 (((d)->s6_addr32[1] ^ (a)->s6_addr32[1]) & (m)->s6_addr32[1]) == 0 && \ 376 (((d)->s6_addr32[2] ^ (a)->s6_addr32[2]) & (m)->s6_addr32[2]) == 0 && \ 377 (((d)->s6_addr32[3] ^ (a)->s6_addr32[3]) & (m)->s6_addr32[3]) == 0 ) 378#endif 379 380#define SIOCSIFADDR_IN6 _IOW('i', 12, struct in6_ifreq) 381#define SIOCGIFADDR_IN6 _IOWR('i', 33, struct in6_ifreq) 382 383#ifdef _KERNEL 384/* 385 * SIOCSxxx ioctls should be unused (see comments in in6.c), but 386 * we do not shift numbers for binary compatibility. 387 */ 388#define SIOCSIFDSTADDR_IN6 _IOW('i', 14, struct in6_ifreq) 389#define SIOCSIFNETMASK_IN6 _IOW('i', 22, struct in6_ifreq) 390#endif 391 392#define SIOCGIFDSTADDR_IN6 _IOWR('i', 34, struct in6_ifreq) 393#define SIOCGIFNETMASK_IN6 _IOWR('i', 37, struct in6_ifreq) 394 395#define SIOCDIFADDR_IN6 _IOW('i', 25, struct in6_ifreq) 396#define SIOCAIFADDR_IN6 _IOW('i', 26, struct in6_aliasreq) 397 398#define SIOCSIFPHYADDR_IN6 _IOW('i', 70, struct in6_aliasreq) 399#define SIOCGIFPSRCADDR_IN6 _IOWR('i', 71, struct in6_ifreq) 400#define SIOCGIFPDSTADDR_IN6 _IOWR('i', 72, struct in6_ifreq) 401 402#define SIOCGIFAFLAG_IN6 _IOWR('i', 73, struct in6_ifreq) 403 404#define SIOCGDRLST_IN6 _IOWR('i', 74, struct in6_drlist) 405#ifdef _KERNEL 406/* XXX: SIOCGPRLST_IN6 is exposed in KAME but in6_oprlist is not. */ 407#define SIOCGPRLST_IN6 _IOWR('i', 75, struct in6_oprlist) 408#endif 409#ifdef _KERNEL 410#define OSIOCGIFINFO_IN6 _IOWR('i', 76, struct in6_ondireq) 411#endif 412#define SIOCGIFINFO_IN6 _IOWR('i', 108, struct in6_ndireq) 413#define SIOCSIFINFO_IN6 _IOWR('i', 109, struct in6_ndireq) 414#define SIOCSNDFLUSH_IN6 _IOWR('i', 77, struct in6_ifreq) 415#define SIOCGNBRINFO_IN6 _IOWR('i', 78, struct in6_nbrinfo) 416#define SIOCSPFXFLUSH_IN6 _IOWR('i', 79, struct in6_ifreq) 417#define SIOCSRTRFLUSH_IN6 _IOWR('i', 80, struct in6_ifreq) 418 419#define SIOCGIFALIFETIME_IN6 _IOWR('i', 81, struct in6_ifreq) 420#define SIOCSIFALIFETIME_IN6 _IOWR('i', 82, struct in6_ifreq) 421#define SIOCGIFSTAT_IN6 _IOWR('i', 83, struct in6_ifreq) 422#define SIOCGIFSTAT_ICMP6 _IOWR('i', 84, struct in6_ifreq) 423 424#define SIOCSDEFIFACE_IN6 _IOWR('i', 85, struct in6_ndifreq) 425#define SIOCGDEFIFACE_IN6 _IOWR('i', 86, struct in6_ndifreq) 426 427#define SIOCSIFINFO_FLAGS _IOWR('i', 87, struct in6_ndireq) /* XXX */ 428 429#define SIOCSSCOPE6 _IOW('i', 88, struct in6_ifreq) 430#define SIOCGSCOPE6 _IOWR('i', 89, struct in6_ifreq) 431#define SIOCGSCOPE6DEF _IOWR('i', 90, struct in6_ifreq) 432 433#define SIOCSIFPREFIX_IN6 _IOW('i', 100, struct in6_prefixreq) /* set */ 434#define SIOCGIFPREFIX_IN6 _IOWR('i', 101, struct in6_prefixreq) /* get */ 435#define SIOCDIFPREFIX_IN6 _IOW('i', 102, struct in6_prefixreq) /* del */ 436#define SIOCAIFPREFIX_IN6 _IOW('i', 103, struct in6_rrenumreq) /* add */ 437#define SIOCCIFPREFIX_IN6 _IOW('i', 104, \ 438 struct in6_rrenumreq) /* change */ 439#define SIOCSGIFPREFIX_IN6 _IOW('i', 105, \ 440 struct in6_rrenumreq) /* set global */ 441 442#define SIOCGETSGCNT_IN6 _IOWR('u', 106, \ 443 struct sioc_sg_req6) /* get s,g pkt cnt */ 444#define SIOCGETMIFCNT_IN6 _IOWR('u', 107, \ 445 struct sioc_mif_req6) /* get pkt cnt per if */ 446 447#define SIOCAADDRCTL_POLICY _IOW('u', 108, struct in6_addrpolicy) 448#define SIOCDADDRCTL_POLICY _IOW('u', 109, struct in6_addrpolicy) 449 450#define IN6_IFF_ANYCAST 0x01 /* anycast address */ 451#define IN6_IFF_TENTATIVE 0x02 /* tentative address */ 452#define IN6_IFF_DUPLICATED 0x04 /* DAD detected duplicate */ 453#define IN6_IFF_DETACHED 0x08 /* may be detached from the link */ 454#define IN6_IFF_DEPRECATED 0x10 /* deprecated address */ 455#define IN6_IFF_NODAD 0x20 /* don't perform DAD on this address 456 * (used only at first SIOC* call) 457 */ 458#define IN6_IFF_AUTOCONF 0x40 /* autoconfigurable address. */ 459#define IN6_IFF_TEMPORARY 0x80 /* temporary (anonymous) address. */ 460#define IN6_IFF_NOPFX 0x8000 /* skip kernel prefix management. 461 * XXX: this should be temporary. 462 */ 463 464/* do not input/output */ 465#define IN6_IFF_NOTREADY (IN6_IFF_TENTATIVE|IN6_IFF_DUPLICATED) 466 467#ifdef _KERNEL 468#define IN6_ARE_SCOPE_CMP(a,b) ((a)-(b)) 469#define IN6_ARE_SCOPE_EQUAL(a,b) ((a)==(b)) 470#endif 471 472#ifdef _KERNEL 473#ifdef VIMAGE_GLOBALS 474extern struct in6_ifaddr *in6_ifaddr; 475 476extern struct icmp6stat icmp6stat; 477#endif /* VIMAGE_GLOBALS */ 478#define in6_ifstat_inc(ifp, tag) \ 479do { \ 480 if (ifp) \ 481 ((struct in6_ifextra *)((ifp)->if_afdata[AF_INET6]))->in6_ifstat->tag++; \ 482} while (/*CONSTCOND*/ 0) 483 484extern struct in6_addr zeroin6_addr; 485extern u_char inet6ctlerrmap[]; 486extern unsigned long in6_maxmtu; 487#ifdef MALLOC_DECLARE 488MALLOC_DECLARE(M_IP6MADDR); 489#endif /* MALLOC_DECLARE */ 490 491/* 492 * Macro for finding the internet address structure (in6_ifaddr) corresponding 493 * to a given interface (ifnet structure). 494 */ 495 496#define IFP_TO_IA6(ifp, ia) \ 497/* struct ifnet *ifp; */ \ 498/* struct in6_ifaddr *ia; */ \ 499do { \ 500 struct ifaddr *ifa; \ 501 TAILQ_FOREACH(ifa, &(ifp)->if_addrlist, ifa_list) { \ 502 if (ifa->ifa_addr->sa_family == AF_INET6) \ 503 break; \ 504 } \ 505 (ia) = (struct in6_ifaddr *)ifa; \ 506} while (/*CONSTCOND*/ 0) 507 508#endif /* _KERNEL */ 509 510/* 511 * Multi-cast membership entry. One for each group/ifp that a PCB 512 * belongs to. 513 */ 514struct in6_multi_mship { 515 struct in6_multi *i6mm_maddr; /* Multicast address pointer */ 516 LIST_ENTRY(in6_multi_mship) i6mm_chain; /* multicast options chain */ 517}; 518 519struct in6_multi { 520 LIST_ENTRY(in6_multi) in6m_entry; /* list glue */ 521 struct in6_addr in6m_addr; /* IP6 multicast address */ 522 struct ifnet *in6m_ifp; /* back pointer to ifnet */ 523 struct ifmultiaddr *in6m_ifma; /* back pointer to ifmultiaddr */ 524 u_int in6m_refcount; /* # membership claims by sockets */ 525 u_int in6m_state; /* state of the membership */ 526 u_int in6m_timer; /* MLD6 listener report timer */ 527 struct timeval in6m_timer_expire; /* when the timer expires */ 528 struct callout *in6m_timer_ch; 529}; 530 531#define IN6M_TIMER_UNDEF -1 532 533#ifdef _KERNEL 534/* flags to in6_update_ifa */ 535#define IN6_IFAUPDATE_DADDELAY 0x1 /* first time to configure an address */ 536 537extern LIST_HEAD(in6_multihead, in6_multi) in6_multihead; 538 539/* 540 * Structure used by macros below to remember position when stepping through 541 * all of the in6_multi records. 542 */ 543struct in6_multistep { 544 struct in6_ifaddr *i_ia; 545 struct in6_multi *i_in6m; 546}; 547 548/* 549 * Macros for looking up the in6_multi record for a given IP6 multicast 550 * address on a given interface. If no matching record is found, "in6m" 551 * returns NULL. 552 */ 553 554#define IN6_LOOKUP_MULTI(addr, ifp, in6m) \ 555/* struct in6_addr addr; */ \ 556/* struct ifnet *ifp; */ \ 557/* struct in6_multi *in6m; */ \ 558do { \ 559 struct ifmultiaddr *ifma; \ 560 IF_ADDR_LOCK(ifp); \ 561 TAILQ_FOREACH(ifma, &(ifp)->if_multiaddrs, ifma_link) { \ 562 if (ifma->ifma_addr->sa_family == AF_INET6 \ 563 && IN6_ARE_ADDR_EQUAL(&((struct sockaddr_in6 *)ifma->ifma_addr)->sin6_addr, \ 564 &(addr))) \ 565 break; \ 566 } \ 567 (in6m) = (struct in6_multi *)(ifma ? ifma->ifma_protospec : 0); \ 568 IF_ADDR_UNLOCK(ifp); \ 569} while(0) 570 571/* 572 * Macro to step through all of the in6_multi records, one at a time. 573 * The current position is remembered in "step", which the caller must 574 * provide. IN6_FIRST_MULTI(), below, must be called to initialize "step" 575 * and get the first record. Both macros return a NULL "in6m" when there 576 * are no remaining records. 577 */ 578#define IN6_NEXT_MULTI(step, in6m) \ 579/* struct in6_multistep step; */ \ 580/* struct in6_multi *in6m; */ \ 581do { \ 582 if (((in6m) = (step).i_in6m) != NULL) \ 583 (step).i_in6m = LIST_NEXT((step).i_in6m, in6m_entry); \ 584} while(0) 585 586#define IN6_FIRST_MULTI(step, in6m) \ 587/* struct in6_multistep step; */ \ 588/* struct in6_multi *in6m */ \ 589do { \ 590 (step).i_in6m = LIST_FIRST(&in6_multihead); \ 591 IN6_NEXT_MULTI((step), (in6m)); \ 592} while(0) 593 594struct in6_multi *in6_addmulti __P((struct in6_addr *, struct ifnet *, 595 int *, int)); 596void in6_delmulti __P((struct in6_multi *)); 597struct in6_multi_mship *in6_joingroup(struct ifnet *, struct in6_addr *, int *, int); 598int in6_leavegroup(struct in6_multi_mship *); 599int in6_mask2len __P((struct in6_addr *, u_char *)); 600int in6_control __P((struct socket *, u_long, caddr_t, struct ifnet *, 601 struct thread *)); 602int in6_update_ifa __P((struct ifnet *, struct in6_aliasreq *, 603 struct in6_ifaddr *, int)); 604void in6_purgeaddr __P((struct ifaddr *)); 605int in6if_do_dad __P((struct ifnet *)); 606void in6_purgeif __P((struct ifnet *)); 607void in6_savemkludge __P((struct in6_ifaddr *)); 608void *in6_domifattach __P((struct ifnet *)); 609void in6_domifdetach __P((struct ifnet *, void *)); 610void in6_setmaxmtu __P((void)); 611int in6_if2idlen __P((struct ifnet *)); 612void in6_restoremkludge __P((struct in6_ifaddr *, struct ifnet *)); 613void in6_purgemkludge __P((struct ifnet *)); 614struct in6_ifaddr *in6ifa_ifpforlinklocal __P((struct ifnet *, int)); 615struct in6_ifaddr *in6ifa_ifpwithaddr __P((struct ifnet *, struct in6_addr *)); 616char *ip6_sprintf __P((char *, const struct in6_addr *)); 617int in6_addr2zoneid __P((struct ifnet *, struct in6_addr *, u_int32_t *)); 618int in6_matchlen __P((struct in6_addr *, struct in6_addr *)); 619int in6_are_prefix_equal __P((struct in6_addr *, struct in6_addr *, int)); 620void in6_prefixlen2mask __P((struct in6_addr *, int)); 621int in6_prefix_ioctl __P((struct socket *, u_long, caddr_t, 622 struct ifnet *)); 623int in6_prefix_add_ifid __P((int, struct in6_ifaddr *)); 624void in6_prefix_remove_ifid __P((int, struct in6_ifaddr *)); 625void in6_purgeprefix __P((struct ifnet *)); 626void in6_ifremloop(struct ifaddr *); 627void in6_ifaddloop(struct ifaddr *); 628 629int in6_is_addr_deprecated __P((struct sockaddr_in6 *)); 630struct inpcb; 631int in6_src_ioctl __P((u_long, caddr_t)); 632#endif /* _KERNEL */ 633 634#endif /* _NETINET6_IN6_VAR_H_ */ 635