in6_var.h revision 191341
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 191341 2009-04-20 22:56:34Z rwatson $ 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 lltable; 92struct in6_ifextra { 93 struct in6_ifstat *in6_ifstat; 94 struct icmp6_ifstat *icmp6_ifstat; 95 struct nd_ifinfo *nd_ifinfo; 96 struct scope6_id *scope6_id; 97 struct lltable *lltable; 98}; 99 100#define LLTABLE6(ifp) (((struct in6_ifextra *)(ifp)->if_afdata[AF_INET6])->lltable) 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 time_t ia6_createtime; /* the creation time of this address, which is 116 * currently used for temporary addresses only. 117 */ 118 time_t ia6_updatetime; 119 120 /* back pointer to the ND prefix (for autoconfigured addresses only) */ 121 struct nd_prefix *ia6_ndpr; 122 123 /* multicast addresses joined from the kernel */ 124 LIST_HEAD(, in6_multi_mship) ia6_memberships; 125}; 126 127/* control structure to manage address selection policy */ 128struct in6_addrpolicy { 129 struct sockaddr_in6 addr; /* prefix address */ 130 struct sockaddr_in6 addrmask; /* prefix mask */ 131 int preced; /* precedence */ 132 int label; /* matching label */ 133 u_quad_t use; /* statistics */ 134}; 135 136/* 137 * IPv6 interface statistics, as defined in RFC2465 Ipv6IfStatsEntry (p12). 138 */ 139struct in6_ifstat { 140 u_quad_t ifs6_in_receive; /* # of total input datagram */ 141 u_quad_t ifs6_in_hdrerr; /* # of datagrams with invalid hdr */ 142 u_quad_t ifs6_in_toobig; /* # of datagrams exceeded MTU */ 143 u_quad_t ifs6_in_noroute; /* # of datagrams with no route */ 144 u_quad_t ifs6_in_addrerr; /* # of datagrams with invalid dst */ 145 u_quad_t ifs6_in_protounknown; /* # of datagrams with unknown proto */ 146 /* NOTE: increment on final dst if */ 147 u_quad_t ifs6_in_truncated; /* # of truncated datagrams */ 148 u_quad_t ifs6_in_discard; /* # of discarded datagrams */ 149 /* NOTE: fragment timeout is not here */ 150 u_quad_t ifs6_in_deliver; /* # of datagrams delivered to ULP */ 151 /* NOTE: increment on final dst if */ 152 u_quad_t ifs6_out_forward; /* # of datagrams forwarded */ 153 /* NOTE: increment on outgoing if */ 154 u_quad_t ifs6_out_request; /* # of outgoing datagrams from ULP */ 155 /* NOTE: does not include forwrads */ 156 u_quad_t ifs6_out_discard; /* # of discarded datagrams */ 157 u_quad_t ifs6_out_fragok; /* # of datagrams fragmented */ 158 u_quad_t ifs6_out_fragfail; /* # of datagrams failed on fragment */ 159 u_quad_t ifs6_out_fragcreat; /* # of fragment datagrams */ 160 /* NOTE: this is # after fragment */ 161 u_quad_t ifs6_reass_reqd; /* # of incoming fragmented packets */ 162 /* NOTE: increment on final dst if */ 163 u_quad_t ifs6_reass_ok; /* # of reassembled packets */ 164 /* NOTE: this is # after reass */ 165 /* NOTE: increment on final dst if */ 166 u_quad_t ifs6_reass_fail; /* # of reass failures */ 167 /* NOTE: may not be packet count */ 168 /* NOTE: increment on final dst if */ 169 u_quad_t ifs6_in_mcast; /* # of inbound multicast datagrams */ 170 u_quad_t ifs6_out_mcast; /* # of outbound multicast datagrams */ 171}; 172 173/* 174 * ICMPv6 interface statistics, as defined in RFC2466 Ipv6IfIcmpEntry. 175 * XXX: I'm not sure if this file is the right place for this structure... 176 */ 177struct icmp6_ifstat { 178 /* 179 * Input statistics 180 */ 181 /* ipv6IfIcmpInMsgs, total # of input messages */ 182 u_quad_t ifs6_in_msg; 183 /* ipv6IfIcmpInErrors, # of input error messages */ 184 u_quad_t ifs6_in_error; 185 /* ipv6IfIcmpInDestUnreachs, # of input dest unreach errors */ 186 u_quad_t ifs6_in_dstunreach; 187 /* ipv6IfIcmpInAdminProhibs, # of input administratively prohibited errs */ 188 u_quad_t ifs6_in_adminprohib; 189 /* ipv6IfIcmpInTimeExcds, # of input time exceeded errors */ 190 u_quad_t ifs6_in_timeexceed; 191 /* ipv6IfIcmpInParmProblems, # of input parameter problem errors */ 192 u_quad_t ifs6_in_paramprob; 193 /* ipv6IfIcmpInPktTooBigs, # of input packet too big errors */ 194 u_quad_t ifs6_in_pkttoobig; 195 /* ipv6IfIcmpInEchos, # of input echo requests */ 196 u_quad_t ifs6_in_echo; 197 /* ipv6IfIcmpInEchoReplies, # of input echo replies */ 198 u_quad_t ifs6_in_echoreply; 199 /* ipv6IfIcmpInRouterSolicits, # of input router solicitations */ 200 u_quad_t ifs6_in_routersolicit; 201 /* ipv6IfIcmpInRouterAdvertisements, # of input router advertisements */ 202 u_quad_t ifs6_in_routeradvert; 203 /* ipv6IfIcmpInNeighborSolicits, # of input neighbor solicitations */ 204 u_quad_t ifs6_in_neighborsolicit; 205 /* ipv6IfIcmpInNeighborAdvertisements, # of input neighbor advertisements */ 206 u_quad_t ifs6_in_neighboradvert; 207 /* ipv6IfIcmpInRedirects, # of input redirects */ 208 u_quad_t ifs6_in_redirect; 209 /* ipv6IfIcmpInGroupMembQueries, # of input MLD queries */ 210 u_quad_t ifs6_in_mldquery; 211 /* ipv6IfIcmpInGroupMembResponses, # of input MLD reports */ 212 u_quad_t ifs6_in_mldreport; 213 /* ipv6IfIcmpInGroupMembReductions, # of input MLD done */ 214 u_quad_t ifs6_in_mlddone; 215 216 /* 217 * Output statistics. We should solve unresolved routing problem... 218 */ 219 /* ipv6IfIcmpOutMsgs, total # of output messages */ 220 u_quad_t ifs6_out_msg; 221 /* ipv6IfIcmpOutErrors, # of output error messages */ 222 u_quad_t ifs6_out_error; 223 /* ipv6IfIcmpOutDestUnreachs, # of output dest unreach errors */ 224 u_quad_t ifs6_out_dstunreach; 225 /* ipv6IfIcmpOutAdminProhibs, # of output administratively prohibited errs */ 226 u_quad_t ifs6_out_adminprohib; 227 /* ipv6IfIcmpOutTimeExcds, # of output time exceeded errors */ 228 u_quad_t ifs6_out_timeexceed; 229 /* ipv6IfIcmpOutParmProblems, # of output parameter problem errors */ 230 u_quad_t ifs6_out_paramprob; 231 /* ipv6IfIcmpOutPktTooBigs, # of output packet too big errors */ 232 u_quad_t ifs6_out_pkttoobig; 233 /* ipv6IfIcmpOutEchos, # of output echo requests */ 234 u_quad_t ifs6_out_echo; 235 /* ipv6IfIcmpOutEchoReplies, # of output echo replies */ 236 u_quad_t ifs6_out_echoreply; 237 /* ipv6IfIcmpOutRouterSolicits, # of output router solicitations */ 238 u_quad_t ifs6_out_routersolicit; 239 /* ipv6IfIcmpOutRouterAdvertisements, # of output router advertisements */ 240 u_quad_t ifs6_out_routeradvert; 241 /* ipv6IfIcmpOutNeighborSolicits, # of output neighbor solicitations */ 242 u_quad_t ifs6_out_neighborsolicit; 243 /* ipv6IfIcmpOutNeighborAdvertisements, # of output neighbor advertisements */ 244 u_quad_t ifs6_out_neighboradvert; 245 /* ipv6IfIcmpOutRedirects, # of output redirects */ 246 u_quad_t ifs6_out_redirect; 247 /* ipv6IfIcmpOutGroupMembQueries, # of output MLD queries */ 248 u_quad_t ifs6_out_mldquery; 249 /* ipv6IfIcmpOutGroupMembResponses, # of output MLD reports */ 250 u_quad_t ifs6_out_mldreport; 251 /* ipv6IfIcmpOutGroupMembReductions, # of output MLD done */ 252 u_quad_t ifs6_out_mlddone; 253}; 254 255struct in6_ifreq { 256 char ifr_name[IFNAMSIZ]; 257 union { 258 struct sockaddr_in6 ifru_addr; 259 struct sockaddr_in6 ifru_dstaddr; 260 int ifru_flags; 261 int ifru_flags6; 262 int ifru_metric; 263 caddr_t ifru_data; 264 struct in6_addrlifetime ifru_lifetime; 265 struct in6_ifstat ifru_stat; 266 struct icmp6_ifstat ifru_icmp6stat; 267 u_int32_t ifru_scope_id[16]; 268 } ifr_ifru; 269}; 270 271struct in6_aliasreq { 272 char ifra_name[IFNAMSIZ]; 273 struct sockaddr_in6 ifra_addr; 274 struct sockaddr_in6 ifra_dstaddr; 275 struct sockaddr_in6 ifra_prefixmask; 276 int ifra_flags; 277 struct in6_addrlifetime ifra_lifetime; 278}; 279 280/* prefix type macro */ 281#define IN6_PREFIX_ND 1 282#define IN6_PREFIX_RR 2 283 284/* 285 * prefix related flags passed between kernel(NDP related part) and 286 * user land command(ifconfig) and daemon(rtadvd). 287 */ 288struct in6_prflags { 289 struct prf_ra { 290 u_char onlink : 1; 291 u_char autonomous : 1; 292 u_char reserved : 6; 293 } prf_ra; 294 u_char prf_reserved1; 295 u_short prf_reserved2; 296 /* want to put this on 4byte offset */ 297 struct prf_rr { 298 u_char decrvalid : 1; 299 u_char decrprefd : 1; 300 u_char reserved : 6; 301 } prf_rr; 302 u_char prf_reserved3; 303 u_short prf_reserved4; 304}; 305 306struct in6_prefixreq { 307 char ipr_name[IFNAMSIZ]; 308 u_char ipr_origin; 309 u_char ipr_plen; 310 u_int32_t ipr_vltime; 311 u_int32_t ipr_pltime; 312 struct in6_prflags ipr_flags; 313 struct sockaddr_in6 ipr_prefix; 314}; 315 316#define PR_ORIG_RA 0 317#define PR_ORIG_RR 1 318#define PR_ORIG_STATIC 2 319#define PR_ORIG_KERNEL 3 320 321#define ipr_raf_onlink ipr_flags.prf_ra.onlink 322#define ipr_raf_auto ipr_flags.prf_ra.autonomous 323 324#define ipr_statef_onlink ipr_flags.prf_state.onlink 325 326#define ipr_rrf_decrvalid ipr_flags.prf_rr.decrvalid 327#define ipr_rrf_decrprefd ipr_flags.prf_rr.decrprefd 328 329struct in6_rrenumreq { 330 char irr_name[IFNAMSIZ]; 331 u_char irr_origin; 332 u_char irr_m_len; /* match len for matchprefix */ 333 u_char irr_m_minlen; /* minlen for matching prefix */ 334 u_char irr_m_maxlen; /* maxlen for matching prefix */ 335 u_char irr_u_uselen; /* uselen for adding prefix */ 336 u_char irr_u_keeplen; /* keeplen from matching prefix */ 337 struct irr_raflagmask { 338 u_char onlink : 1; 339 u_char autonomous : 1; 340 u_char reserved : 6; 341 } irr_raflagmask; 342 u_int32_t irr_vltime; 343 u_int32_t irr_pltime; 344 struct in6_prflags irr_flags; 345 struct sockaddr_in6 irr_matchprefix; 346 struct sockaddr_in6 irr_useprefix; 347}; 348 349#define irr_raf_mask_onlink irr_raflagmask.onlink 350#define irr_raf_mask_auto irr_raflagmask.autonomous 351#define irr_raf_mask_reserved irr_raflagmask.reserved 352 353#define irr_raf_onlink irr_flags.prf_ra.onlink 354#define irr_raf_auto irr_flags.prf_ra.autonomous 355 356#define irr_statef_onlink irr_flags.prf_state.onlink 357 358#define irr_rrf irr_flags.prf_rr 359#define irr_rrf_decrvalid irr_flags.prf_rr.decrvalid 360#define irr_rrf_decrprefd irr_flags.prf_rr.decrprefd 361 362/* 363 * Given a pointer to an in6_ifaddr (ifaddr), 364 * return a pointer to the addr as a sockaddr_in6 365 */ 366#define IA6_IN6(ia) (&((ia)->ia_addr.sin6_addr)) 367#define IA6_DSTIN6(ia) (&((ia)->ia_dstaddr.sin6_addr)) 368#define IA6_MASKIN6(ia) (&((ia)->ia_prefixmask.sin6_addr)) 369#define IA6_SIN6(ia) (&((ia)->ia_addr)) 370#define IA6_DSTSIN6(ia) (&((ia)->ia_dstaddr)) 371#define IFA_IN6(x) (&((struct sockaddr_in6 *)((x)->ifa_addr))->sin6_addr) 372#define IFA_DSTIN6(x) (&((struct sockaddr_in6 *)((x)->ifa_dstaddr))->sin6_addr) 373 374#define IFPR_IN6(x) (&((struct sockaddr_in6 *)((x)->ifpr_prefix))->sin6_addr) 375 376#ifdef _KERNEL 377#define IN6_ARE_MASKED_ADDR_EQUAL(d, a, m) ( \ 378 (((d)->s6_addr32[0] ^ (a)->s6_addr32[0]) & (m)->s6_addr32[0]) == 0 && \ 379 (((d)->s6_addr32[1] ^ (a)->s6_addr32[1]) & (m)->s6_addr32[1]) == 0 && \ 380 (((d)->s6_addr32[2] ^ (a)->s6_addr32[2]) & (m)->s6_addr32[2]) == 0 && \ 381 (((d)->s6_addr32[3] ^ (a)->s6_addr32[3]) & (m)->s6_addr32[3]) == 0 ) 382#endif 383 384#define SIOCSIFADDR_IN6 _IOW('i', 12, struct in6_ifreq) 385#define SIOCGIFADDR_IN6 _IOWR('i', 33, struct in6_ifreq) 386 387#ifdef _KERNEL 388/* 389 * SIOCSxxx ioctls should be unused (see comments in in6.c), but 390 * we do not shift numbers for binary compatibility. 391 */ 392#define SIOCSIFDSTADDR_IN6 _IOW('i', 14, struct in6_ifreq) 393#define SIOCSIFNETMASK_IN6 _IOW('i', 22, struct in6_ifreq) 394#endif 395 396#define SIOCGIFDSTADDR_IN6 _IOWR('i', 34, struct in6_ifreq) 397#define SIOCGIFNETMASK_IN6 _IOWR('i', 37, struct in6_ifreq) 398 399#define SIOCDIFADDR_IN6 _IOW('i', 25, struct in6_ifreq) 400#define SIOCAIFADDR_IN6 _IOW('i', 26, struct in6_aliasreq) 401 402#define SIOCSIFPHYADDR_IN6 _IOW('i', 70, struct in6_aliasreq) 403#define SIOCGIFPSRCADDR_IN6 _IOWR('i', 71, struct in6_ifreq) 404#define SIOCGIFPDSTADDR_IN6 _IOWR('i', 72, struct in6_ifreq) 405 406#define SIOCGIFAFLAG_IN6 _IOWR('i', 73, struct in6_ifreq) 407 408#define SIOCGDRLST_IN6 _IOWR('i', 74, struct in6_drlist) 409#ifdef _KERNEL 410/* XXX: SIOCGPRLST_IN6 is exposed in KAME but in6_oprlist is not. */ 411#define SIOCGPRLST_IN6 _IOWR('i', 75, struct in6_oprlist) 412#endif 413#ifdef _KERNEL 414#define OSIOCGIFINFO_IN6 _IOWR('i', 76, struct in6_ondireq) 415#endif 416#define SIOCGIFINFO_IN6 _IOWR('i', 108, struct in6_ndireq) 417#define SIOCSIFINFO_IN6 _IOWR('i', 109, struct in6_ndireq) 418#define SIOCSNDFLUSH_IN6 _IOWR('i', 77, struct in6_ifreq) 419#define SIOCGNBRINFO_IN6 _IOWR('i', 78, struct in6_nbrinfo) 420#define SIOCSPFXFLUSH_IN6 _IOWR('i', 79, struct in6_ifreq) 421#define SIOCSRTRFLUSH_IN6 _IOWR('i', 80, struct in6_ifreq) 422 423#define SIOCGIFALIFETIME_IN6 _IOWR('i', 81, struct in6_ifreq) 424#define SIOCSIFALIFETIME_IN6 _IOWR('i', 82, struct in6_ifreq) 425#define SIOCGIFSTAT_IN6 _IOWR('i', 83, struct in6_ifreq) 426#define SIOCGIFSTAT_ICMP6 _IOWR('i', 84, struct in6_ifreq) 427 428#define SIOCSDEFIFACE_IN6 _IOWR('i', 85, struct in6_ndifreq) 429#define SIOCGDEFIFACE_IN6 _IOWR('i', 86, struct in6_ndifreq) 430 431#define SIOCSIFINFO_FLAGS _IOWR('i', 87, struct in6_ndireq) /* XXX */ 432 433#define SIOCSSCOPE6 _IOW('i', 88, struct in6_ifreq) 434#define SIOCGSCOPE6 _IOWR('i', 89, struct in6_ifreq) 435#define SIOCGSCOPE6DEF _IOWR('i', 90, struct in6_ifreq) 436 437#define SIOCSIFPREFIX_IN6 _IOW('i', 100, struct in6_prefixreq) /* set */ 438#define SIOCGIFPREFIX_IN6 _IOWR('i', 101, struct in6_prefixreq) /* get */ 439#define SIOCDIFPREFIX_IN6 _IOW('i', 102, struct in6_prefixreq) /* del */ 440#define SIOCAIFPREFIX_IN6 _IOW('i', 103, struct in6_rrenumreq) /* add */ 441#define SIOCCIFPREFIX_IN6 _IOW('i', 104, \ 442 struct in6_rrenumreq) /* change */ 443#define SIOCSGIFPREFIX_IN6 _IOW('i', 105, \ 444 struct in6_rrenumreq) /* set global */ 445 446#define SIOCGETSGCNT_IN6 _IOWR('u', 106, \ 447 struct sioc_sg_req6) /* get s,g pkt cnt */ 448#define SIOCGETMIFCNT_IN6 _IOWR('u', 107, \ 449 struct sioc_mif_req6) /* get pkt cnt per if */ 450 451#define SIOCAADDRCTL_POLICY _IOW('u', 108, struct in6_addrpolicy) 452#define SIOCDADDRCTL_POLICY _IOW('u', 109, struct in6_addrpolicy) 453 454#define IN6_IFF_ANYCAST 0x01 /* anycast address */ 455#define IN6_IFF_TENTATIVE 0x02 /* tentative address */ 456#define IN6_IFF_DUPLICATED 0x04 /* DAD detected duplicate */ 457#define IN6_IFF_DETACHED 0x08 /* may be detached from the link */ 458#define IN6_IFF_DEPRECATED 0x10 /* deprecated address */ 459#define IN6_IFF_NODAD 0x20 /* don't perform DAD on this address 460 * (used only at first SIOC* call) 461 */ 462#define IN6_IFF_AUTOCONF 0x40 /* autoconfigurable address. */ 463#define IN6_IFF_TEMPORARY 0x80 /* temporary (anonymous) address. */ 464#define IN6_IFF_NOPFX 0x8000 /* skip kernel prefix management. 465 * XXX: this should be temporary. 466 */ 467 468/* do not input/output */ 469#define IN6_IFF_NOTREADY (IN6_IFF_TENTATIVE|IN6_IFF_DUPLICATED) 470 471#ifdef _KERNEL 472#define IN6_ARE_SCOPE_CMP(a,b) ((a)-(b)) 473#define IN6_ARE_SCOPE_EQUAL(a,b) ((a)==(b)) 474#endif 475 476#ifdef _KERNEL 477#ifdef VIMAGE_GLOBALS 478extern struct in6_ifaddr *in6_ifaddr; 479 480extern struct icmp6stat icmp6stat; 481 482extern unsigned long in6_maxmtu; 483#endif /* VIMAGE_GLOBALS */ 484#define in6_ifstat_inc(ifp, tag) \ 485do { \ 486 if (ifp) \ 487 ((struct in6_ifextra *)((ifp)->if_afdata[AF_INET6]))->in6_ifstat->tag++; \ 488} while (/*CONSTCOND*/ 0) 489 490extern struct in6_addr zeroin6_addr; 491extern u_char inet6ctlerrmap[]; 492#ifdef MALLOC_DECLARE 493MALLOC_DECLARE(M_IP6MADDR); 494#endif /* MALLOC_DECLARE */ 495 496/* 497 * Macro for finding the internet address structure (in6_ifaddr) corresponding 498 * to a given interface (ifnet structure). 499 */ 500 501#define IFP_TO_IA6(ifp, ia) \ 502/* struct ifnet *ifp; */ \ 503/* struct in6_ifaddr *ia; */ \ 504do { \ 505 struct ifaddr *ifa; \ 506 IF_ADDR_LOCK_ASSERT(ifp); \ 507 TAILQ_FOREACH(ifa, &(ifp)->if_addrhead, ifa_link) { \ 508 if (ifa->ifa_addr->sa_family == AF_INET6) \ 509 break; \ 510 } \ 511 (ia) = (struct in6_ifaddr *)ifa; \ 512} while (/*CONSTCOND*/ 0) 513 514#endif /* _KERNEL */ 515 516/* 517 * Multi-cast membership entry. One for each group/ifp that a PCB 518 * belongs to. 519 */ 520struct in6_multi_mship { 521 struct in6_multi *i6mm_maddr; /* Multicast address pointer */ 522 LIST_ENTRY(in6_multi_mship) i6mm_chain; /* multicast options chain */ 523}; 524 525struct in6_multi { 526 LIST_ENTRY(in6_multi) in6m_entry; /* list glue */ 527 struct in6_addr in6m_addr; /* IP6 multicast address */ 528 struct ifnet *in6m_ifp; /* back pointer to ifnet */ 529 struct ifmultiaddr *in6m_ifma; /* back pointer to ifmultiaddr */ 530 u_int in6m_refcount; /* # membership claims by sockets */ 531 u_int in6m_state; /* state of the membership */ 532 u_int in6m_timer; /* MLD6 listener report timer */ 533 struct timeval in6m_timer_expire; /* when the timer expires */ 534 struct callout *in6m_timer_ch; 535}; 536 537#define IN6M_TIMER_UNDEF -1 538 539#ifdef _KERNEL 540/* flags to in6_update_ifa */ 541#define IN6_IFAUPDATE_DADDELAY 0x1 /* first time to configure an address */ 542 543extern LIST_HEAD(in6_multihead, in6_multi) in6_multihead; 544 545/* 546 * Structure used by macros below to remember position when stepping through 547 * all of the in6_multi records. 548 */ 549struct in6_multistep { 550 struct in6_ifaddr *i_ia; 551 struct in6_multi *i_in6m; 552}; 553 554/* 555 * Macros for looking up the in6_multi record for a given IP6 multicast 556 * address on a given interface. If no matching record is found, "in6m" 557 * returns NULL. 558 */ 559 560#define IN6_LOOKUP_MULTI(addr, ifp, in6m) \ 561/* struct in6_addr addr; */ \ 562/* struct ifnet *ifp; */ \ 563/* struct in6_multi *in6m; */ \ 564do { \ 565 struct ifmultiaddr *ifma; \ 566 IF_ADDR_LOCK(ifp); \ 567 TAILQ_FOREACH(ifma, &(ifp)->if_multiaddrs, ifma_link) { \ 568 if (ifma->ifma_addr->sa_family == AF_INET6 \ 569 && IN6_ARE_ADDR_EQUAL(&((struct sockaddr_in6 *)ifma->ifma_addr)->sin6_addr, \ 570 &(addr))) \ 571 break; \ 572 } \ 573 (in6m) = (struct in6_multi *)(ifma ? ifma->ifma_protospec : 0); \ 574 IF_ADDR_UNLOCK(ifp); \ 575} while(0) 576 577/* 578 * Macro to step through all of the in6_multi records, one at a time. 579 * The current position is remembered in "step", which the caller must 580 * provide. IN6_FIRST_MULTI(), below, must be called to initialize "step" 581 * and get the first record. Both macros return a NULL "in6m" when there 582 * are no remaining records. 583 */ 584#define IN6_NEXT_MULTI(step, in6m) \ 585/* struct in6_multistep step; */ \ 586/* struct in6_multi *in6m; */ \ 587do { \ 588 if (((in6m) = (step).i_in6m) != NULL) \ 589 (step).i_in6m = LIST_NEXT((step).i_in6m, in6m_entry); \ 590} while(0) 591 592#define IN6_FIRST_MULTI(step, in6m) \ 593/* struct in6_multistep step; */ \ 594/* struct in6_multi *in6m */ \ 595do { \ 596 (step).i_in6m = LIST_FIRST(&in6_multihead); \ 597 IN6_NEXT_MULTI((step), (in6m)); \ 598} while(0) 599 600struct in6_multi *in6_addmulti __P((struct in6_addr *, struct ifnet *, 601 int *, int)); 602void in6_delmulti __P((struct in6_multi *)); 603struct in6_multi_mship *in6_joingroup(struct ifnet *, struct in6_addr *, int *, int); 604int in6_leavegroup(struct in6_multi_mship *); 605int in6_mask2len __P((struct in6_addr *, u_char *)); 606int in6_control __P((struct socket *, u_long, caddr_t, struct ifnet *, 607 struct thread *)); 608int in6_update_ifa __P((struct ifnet *, struct in6_aliasreq *, 609 struct in6_ifaddr *, int)); 610void in6_purgeaddr __P((struct ifaddr *)); 611int in6if_do_dad __P((struct ifnet *)); 612void in6_purgeif __P((struct ifnet *)); 613void in6_savemkludge __P((struct in6_ifaddr *)); 614void *in6_domifattach __P((struct ifnet *)); 615void in6_domifdetach __P((struct ifnet *, void *)); 616void in6_setmaxmtu __P((void)); 617int in6_if2idlen __P((struct ifnet *)); 618void in6_restoremkludge __P((struct in6_ifaddr *, struct ifnet *)); 619void in6_purgemkludge __P((struct ifnet *)); 620struct in6_ifaddr *in6ifa_ifpforlinklocal __P((struct ifnet *, int)); 621struct in6_ifaddr *in6ifa_ifpwithaddr __P((struct ifnet *, struct in6_addr *)); 622char *ip6_sprintf __P((char *, const struct in6_addr *)); 623int in6_addr2zoneid __P((struct ifnet *, struct in6_addr *, u_int32_t *)); 624int in6_matchlen __P((struct in6_addr *, struct in6_addr *)); 625int in6_are_prefix_equal __P((struct in6_addr *, struct in6_addr *, int)); 626void in6_prefixlen2mask __P((struct in6_addr *, int)); 627int in6_prefix_ioctl __P((struct socket *, u_long, caddr_t, 628 struct ifnet *)); 629int in6_prefix_add_ifid __P((int, struct in6_ifaddr *)); 630void in6_prefix_remove_ifid __P((int, struct in6_ifaddr *)); 631void in6_purgeprefix __P((struct ifnet *)); 632void in6_ifremloop(struct ifaddr *); 633void in6_ifaddloop(struct ifaddr *); 634 635int in6_is_addr_deprecated __P((struct sockaddr_in6 *)); 636struct inpcb; 637int in6_src_ioctl __P((u_long, caddr_t)); 638#endif /* _KERNEL */ 639 640#endif /* _NETINET6_IN6_VAR_H_ */ 641