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 1.9 2008/03/07 11:34:21 sephe 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 #ifndef _SYS_TYPES_H_ 73 #include <sys/types.h> 74 #endif 75 #ifndef _SYS_TIME_H_ 76 #include <sys/time.h> 77 #endif 78 #ifndef _NET_IF_VAR_H_ 79 #include <net/if_var.h> 80 #endif 81 #ifndef _NETINET_IN_H_ 82 #include <netinet/in.h> 83 #endif 84 85 /* 86 * Interface address, Internet version. One of these structures 87 * is allocated for each interface with an Internet address. 88 * The ifaddr structure contains the protocol-independent part 89 * of the structure and is assumed to be first. 90 */ 91 92 /* 93 * pltime/vltime are just for future reference (required to implements 2 94 * hour rule for hosts). they should never be modified by nd6_timeout or 95 * anywhere else. 96 * userland -> kernel: accept pltime/vltime 97 * kernel -> userland: throw up everything 98 * in kernel: modify preferred/expire only 99 */ 100 struct in6_addrlifetime { 101 time_t ia6t_expire; /* valid lifetime expiration time */ 102 time_t ia6t_preferred; /* preferred lifetime expiration time */ 103 u_int32_t ia6t_vltime; /* valid lifetime */ 104 u_int32_t ia6t_pltime; /* prefix lifetime */ 105 }; 106 107 struct nd_ifinfo; 108 struct scope6_id; 109 110 struct in6_ifextra { 111 struct in6_ifstat *in6_ifstat; 112 struct icmp6_ifstat *icmp6_ifstat; 113 struct nd_ifinfo *nd_ifinfo; 114 struct scope6_id *scope6_id; 115 }; 116 117 struct in6_ifaddr { 118 struct ifaddr ia_ifa; /* protocol-independent info */ 119 #define ia_ifp ia_ifa.ifa_ifp 120 #define ia_flags ia_ifa.ifa_flags 121 struct sockaddr_in6 ia_addr; /* interface address */ 122 struct sockaddr_in6 ia_net; /* network number of interface */ 123 struct sockaddr_in6 ia_dstaddr; /* space for destination addr */ 124 struct sockaddr_in6 ia_prefixmask; /* prefix mask */ 125 u_int32_t ia_plen; /* prefix length */ 126 struct in6_ifaddr *ia_next; /* next in6 list of IP6 addresses */ 127 int ia6_flags; 128 129 struct in6_addrlifetime ia6_lifetime; 130 struct ifprefix *ia6_ifpr; /* back pointer to ifprefix */ 131 132 struct nd_prefix *ia6_ndpr; /* back pointer to the ND prefix 133 * (for autoconfigured addresses only) 134 */ 135 }; 136 137 /* 138 * IPv6 interface statistics, as defined in RFC2465 Ipv6IfStatsEntry (p12). 139 */ 140 struct in6_ifstat { 141 u_quad_t ifs6_in_receive; /* # of total input datagram */ 142 u_quad_t ifs6_in_hdrerr; /* # of datagrams with invalid hdr */ 143 u_quad_t ifs6_in_toobig; /* # of datagrams exceeded MTU */ 144 u_quad_t ifs6_in_noroute; /* # of datagrams with no route */ 145 u_quad_t ifs6_in_addrerr; /* # of datagrams with invalid dst */ 146 u_quad_t ifs6_in_protounknown; /* # of datagrams with unknown proto */ 147 /* NOTE: increment on final dst if */ 148 u_quad_t ifs6_in_truncated; /* # of truncated datagrams */ 149 u_quad_t ifs6_in_discard; /* # of discarded datagrams */ 150 /* NOTE: fragment timeout is not here */ 151 u_quad_t ifs6_in_deliver; /* # of datagrams delivered to ULP */ 152 /* NOTE: increment on final dst if */ 153 u_quad_t ifs6_out_forward; /* # of datagrams forwarded */ 154 /* NOTE: increment on outgoing if */ 155 u_quad_t ifs6_out_request; /* # of outgoing datagrams from ULP */ 156 /* NOTE: does not include forwrads */ 157 u_quad_t ifs6_out_discard; /* # of discarded datagrams */ 158 u_quad_t ifs6_out_fragok; /* # of datagrams fragmented */ 159 u_quad_t ifs6_out_fragfail; /* # of datagrams failed on fragment */ 160 u_quad_t ifs6_out_fragcreat; /* # of fragment datagrams */ 161 /* NOTE: this is # after fragment */ 162 u_quad_t ifs6_reass_reqd; /* # of incoming fragmented packets */ 163 /* NOTE: increment on final dst if */ 164 u_quad_t ifs6_reass_ok; /* # of reassembled packets */ 165 /* NOTE: this is # after reass */ 166 /* NOTE: increment on final dst if */ 167 u_quad_t ifs6_reass_fail; /* # of reass failures */ 168 /* NOTE: may not be packet count */ 169 /* NOTE: increment on final dst if */ 170 u_quad_t ifs6_in_mcast; /* # of inbound multicast datagrams */ 171 u_quad_t ifs6_out_mcast; /* # of outbound multicast datagrams */ 172 }; 173 174 /* 175 * ICMPv6 interface statistics, as defined in RFC2466 Ipv6IfIcmpEntry. 176 * XXX: I'm not sure if this file is the right place for this structure... 177 */ 178 struct icmp6_ifstat { 179 /* 180 * Input statistics 181 */ 182 /* ipv6IfIcmpInMsgs, total # of input messages */ 183 u_quad_t ifs6_in_msg; 184 /* ipv6IfIcmpInErrors, # of input error messages */ 185 u_quad_t ifs6_in_error; 186 /* ipv6IfIcmpInDestUnreachs, # of input dest unreach errors */ 187 u_quad_t ifs6_in_dstunreach; 188 /* ipv6IfIcmpInAdminProhibs, # of input administratively prohibited errs */ 189 u_quad_t ifs6_in_adminprohib; 190 /* ipv6IfIcmpInTimeExcds, # of input time exceeded errors */ 191 u_quad_t ifs6_in_timeexceed; 192 /* ipv6IfIcmpInParmProblems, # of input parameter problem errors */ 193 u_quad_t ifs6_in_paramprob; 194 /* ipv6IfIcmpInPktTooBigs, # of input packet too big errors */ 195 u_quad_t ifs6_in_pkttoobig; 196 /* ipv6IfIcmpInEchos, # of input echo requests */ 197 u_quad_t ifs6_in_echo; 198 /* ipv6IfIcmpInEchoReplies, # of input echo replies */ 199 u_quad_t ifs6_in_echoreply; 200 /* ipv6IfIcmpInRouterSolicits, # of input router solicitations */ 201 u_quad_t ifs6_in_routersolicit; 202 /* ipv6IfIcmpInRouterAdvertisements, # of input router advertisements */ 203 u_quad_t ifs6_in_routeradvert; 204 /* ipv6IfIcmpInNeighborSolicits, # of input neighbor solicitations */ 205 u_quad_t ifs6_in_neighborsolicit; 206 /* ipv6IfIcmpInNeighborAdvertisements, # of input neighbor advertisements */ 207 u_quad_t ifs6_in_neighboradvert; 208 /* ipv6IfIcmpInRedirects, # of input redirects */ 209 u_quad_t ifs6_in_redirect; 210 /* ipv6IfIcmpInGroupMembQueries, # of input MLD queries */ 211 u_quad_t ifs6_in_mldquery; 212 /* ipv6IfIcmpInGroupMembResponses, # of input MLD reports */ 213 u_quad_t ifs6_in_mldreport; 214 /* ipv6IfIcmpInGroupMembReductions, # of input MLD done */ 215 u_quad_t ifs6_in_mlddone; 216 217 /* 218 * Output statistics. We should solve unresolved routing problem... 219 */ 220 /* ipv6IfIcmpOutMsgs, total # of output messages */ 221 u_quad_t ifs6_out_msg; 222 /* ipv6IfIcmpOutErrors, # of output error messages */ 223 u_quad_t ifs6_out_error; 224 /* ipv6IfIcmpOutDestUnreachs, # of output dest unreach errors */ 225 u_quad_t ifs6_out_dstunreach; 226 /* ipv6IfIcmpOutAdminProhibs, # of output administratively prohibited errs */ 227 u_quad_t ifs6_out_adminprohib; 228 /* ipv6IfIcmpOutTimeExcds, # of output time exceeded errors */ 229 u_quad_t ifs6_out_timeexceed; 230 /* ipv6IfIcmpOutParmProblems, # of output parameter problem errors */ 231 u_quad_t ifs6_out_paramprob; 232 /* ipv6IfIcmpOutPktTooBigs, # of output packet too big errors */ 233 u_quad_t ifs6_out_pkttoobig; 234 /* ipv6IfIcmpOutEchos, # of output echo requests */ 235 u_quad_t ifs6_out_echo; 236 /* ipv6IfIcmpOutEchoReplies, # of output echo replies */ 237 u_quad_t ifs6_out_echoreply; 238 /* ipv6IfIcmpOutRouterSolicits, # of output router solicitations */ 239 u_quad_t ifs6_out_routersolicit; 240 /* ipv6IfIcmpOutRouterAdvertisements, # of output router advertisements */ 241 u_quad_t ifs6_out_routeradvert; 242 /* ipv6IfIcmpOutNeighborSolicits, # of output neighbor solicitations */ 243 u_quad_t ifs6_out_neighborsolicit; 244 /* ipv6IfIcmpOutNeighborAdvertisements, # of output neighbor advertisements */ 245 u_quad_t ifs6_out_neighboradvert; 246 /* ipv6IfIcmpOutRedirects, # of output redirects */ 247 u_quad_t ifs6_out_redirect; 248 /* ipv6IfIcmpOutGroupMembQueries, # of output MLD queries */ 249 u_quad_t ifs6_out_mldquery; 250 /* ipv6IfIcmpOutGroupMembResponses, # of output MLD reports */ 251 u_quad_t ifs6_out_mldreport; 252 /* ipv6IfIcmpOutGroupMembReductions, # of output MLD done */ 253 u_quad_t ifs6_out_mlddone; 254 }; 255 256 struct in6_ifreq { 257 char ifr_name[IFNAMSIZ]; 258 union { 259 struct sockaddr_in6 ifru_addr; 260 struct sockaddr_in6 ifru_dstaddr; 261 short ifru_flags; 262 int ifru_flags6; 263 int ifru_metric; 264 caddr_t ifru_data; 265 struct in6_addrlifetime ifru_lifetime; 266 struct in6_ifstat ifru_stat; 267 struct icmp6_ifstat ifru_icmp6stat; 268 u_int32_t ifru_scope_id[16]; 269 } ifr_ifru; 270 }; 271 272 struct in6_aliasreq { 273 char ifra_name[IFNAMSIZ]; 274 struct sockaddr_in6 ifra_addr; 275 struct sockaddr_in6 ifra_dstaddr; 276 struct sockaddr_in6 ifra_prefixmask; 277 int ifra_flags; 278 struct in6_addrlifetime ifra_lifetime; 279 }; 280 281 /* prefix type macro */ 282 #define IN6_PREFIX_ND 1 283 #define IN6_PREFIX_RR 2 284 285 /* 286 * prefix related flags passed between kernel(NDP related part) and 287 * user land command(ifconfig) and daemon(rtadvd). 288 */ 289 struct in6_prflags { 290 struct prf_ra { 291 u_char onlink : 1; 292 u_char autonomous : 1; 293 u_char reserved : 6; 294 } prf_ra; 295 u_char prf_reserved1; 296 u_short prf_reserved2; 297 /* want to put this on 4byte offset */ 298 struct prf_rr { 299 u_char decrvalid : 1; 300 u_char decrprefd : 1; 301 u_char reserved : 6; 302 } prf_rr; 303 u_char prf_reserved3; 304 u_short prf_reserved4; 305 }; 306 307 struct in6_prefixreq { 308 char ipr_name[IFNAMSIZ]; 309 u_char ipr_origin; 310 u_char ipr_plen; 311 u_int32_t ipr_vltime; 312 u_int32_t ipr_pltime; 313 struct in6_prflags ipr_flags; 314 struct sockaddr_in6 ipr_prefix; 315 }; 316 317 #define PR_ORIG_RA 0 318 #define PR_ORIG_RR 1 319 #define PR_ORIG_STATIC 2 320 #define PR_ORIG_KERNEL 3 321 322 #define ipr_raf_onlink ipr_flags.prf_ra.onlink 323 #define ipr_raf_auto ipr_flags.prf_ra.autonomous 324 325 #define ipr_statef_onlink ipr_flags.prf_state.onlink 326 327 #define ipr_rrf_decrvalid ipr_flags.prf_rr.decrvalid 328 #define ipr_rrf_decrprefd ipr_flags.prf_rr.decrprefd 329 330 struct in6_rrenumreq { 331 char irr_name[IFNAMSIZ]; 332 u_char irr_origin; 333 u_char irr_m_len; /* match len for matchprefix */ 334 u_char irr_m_minlen; /* minlen for matching prefix */ 335 u_char irr_m_maxlen; /* maxlen for matching prefix */ 336 u_char irr_u_uselen; /* uselen for adding prefix */ 337 u_char irr_u_keeplen; /* keeplen from matching prefix */ 338 struct irr_raflagmask { 339 u_char onlink : 1; 340 u_char autonomous : 1; 341 u_char reserved : 6; 342 } irr_raflagmask; 343 u_int32_t irr_vltime; 344 u_int32_t irr_pltime; 345 struct in6_prflags irr_flags; 346 struct sockaddr_in6 irr_matchprefix; 347 struct sockaddr_in6 irr_useprefix; 348 }; 349 350 #define irr_raf_mask_onlink irr_raflagmask.onlink 351 #define irr_raf_mask_auto irr_raflagmask.autonomous 352 #define irr_raf_mask_reserved irr_raflagmask.reserved 353 354 #define irr_raf_onlink irr_flags.prf_ra.onlink 355 #define irr_raf_auto irr_flags.prf_ra.autonomous 356 357 #define irr_statef_onlink irr_flags.prf_state.onlink 358 359 #define irr_rrf irr_flags.prf_rr 360 #define irr_rrf_decrvalid irr_flags.prf_rr.decrvalid 361 #define irr_rrf_decrprefd irr_flags.prf_rr.decrprefd 362 363 /* 364 * Given a pointer to an in6_ifaddr (ifaddr), 365 * return a pointer to the addr as a sockaddr_in6 366 */ 367 #define IA6_IN6(ia) (&((ia)->ia_addr.sin6_addr)) 368 #define IA6_DSTIN6(ia) (&((ia)->ia_dstaddr.sin6_addr)) 369 #define IA6_MASKIN6(ia) (&((ia)->ia_prefixmask.sin6_addr)) 370 #define IA6_SIN6(ia) (&((ia)->ia_addr)) 371 #define IA6_DSTSIN6(ia) (&((ia)->ia_dstaddr)) 372 #define IFA_IN6(x) (&((struct sockaddr_in6 *)((x)->ifa_addr))->sin6_addr) 373 #define IFA_DSTIN6(x) (&((struct sockaddr_in6 *)((x)->ifa_dstaddr))->sin6_addr) 374 375 #define IFPR_IN6(x) (&((struct sockaddr_in6 *)((x)->ifpr_prefix))->sin6_addr) 376 377 #ifdef _KERNEL 378 #define IN6_ARE_MASKED_ADDR_EQUAL(d, a, m) ( \ 379 (((d)->s6_addr32[0] ^ (a)->s6_addr32[0]) & (m)->s6_addr32[0]) == 0 && \ 380 (((d)->s6_addr32[1] ^ (a)->s6_addr32[1]) & (m)->s6_addr32[1]) == 0 && \ 381 (((d)->s6_addr32[2] ^ (a)->s6_addr32[2]) & (m)->s6_addr32[2]) == 0 && \ 382 (((d)->s6_addr32[3] ^ (a)->s6_addr32[3]) & (m)->s6_addr32[3]) == 0 ) 383 #endif 384 385 #define SIOCSIFADDR_IN6 _IOW('i', 12, struct in6_ifreq) 386 #define SIOCGIFADDR_IN6 _IOWR('i', 33, struct in6_ifreq) 387 388 #ifdef _KERNEL 389 /* 390 * SIOCSxxx ioctls should be unused (see comments in in6.c), but 391 * we do not shift numbers for binary compatibility. 392 */ 393 #define SIOCSIFDSTADDR_IN6 _IOW('i', 14, struct in6_ifreq) 394 #define SIOCSIFNETMASK_IN6 _IOW('i', 22, struct in6_ifreq) 395 #endif 396 397 #define SIOCGIFDSTADDR_IN6 _IOWR('i', 34, struct in6_ifreq) 398 #define SIOCGIFNETMASK_IN6 _IOWR('i', 37, struct in6_ifreq) 399 400 #define SIOCDIFADDR_IN6 _IOW('i', 25, struct in6_ifreq) 401 #define SIOCAIFADDR_IN6 _IOW('i', 26, struct in6_aliasreq) 402 403 #define SIOCSIFPHYADDR_IN6 _IOW('i', 70, struct in6_aliasreq) 404 #define SIOCGIFPSRCADDR_IN6 _IOWR('i', 71, struct in6_ifreq) 405 #define SIOCGIFPDSTADDR_IN6 _IOWR('i', 72, struct in6_ifreq) 406 407 #define SIOCGIFAFLAG_IN6 _IOWR('i', 73, struct in6_ifreq) 408 409 #define SIOCGDRLST_IN6 _IOWR('i', 74, struct in6_drlist) 410 #define SIOCGPRLST_IN6 _IOWR('i', 75, struct in6_prlist) 411 #ifdef _KERNEL 412 #define OSIOCGIFINFO_IN6 _IOWR('i', 76, struct in6_ondireq) 413 #endif 414 #define SIOCGIFINFO_IN6 _IOWR('i', 108, struct in6_ndireq) 415 #define SIOCSNDFLUSH_IN6 _IOWR('i', 77, struct in6_ifreq) 416 #define SIOCGNBRINFO_IN6 _IOWR('i', 78, struct in6_nbrinfo) 417 #define SIOCSPFXFLUSH_IN6 _IOWR('i', 79, struct in6_ifreq) 418 #define SIOCSRTRFLUSH_IN6 _IOWR('i', 80, struct in6_ifreq) 419 420 #define SIOCGIFALIFETIME_IN6 _IOWR('i', 81, struct in6_ifreq) 421 #define SIOCSIFALIFETIME_IN6 _IOWR('i', 82, struct in6_ifreq) 422 #define SIOCGIFSTAT_IN6 _IOWR('i', 83, struct in6_ifreq) 423 #define SIOCGIFSTAT_ICMP6 _IOWR('i', 84, struct in6_ifreq) 424 425 #define SIOCSDEFIFACE_IN6 _IOWR('i', 85, struct in6_ndifreq) 426 #define SIOCGDEFIFACE_IN6 _IOWR('i', 86, struct in6_ndifreq) 427 428 #define SIOCSIFINFO_FLAGS _IOWR('i', 87, struct in6_ndireq) /* XXX */ 429 430 #define SIOCSSCOPE6 _IOW('i', 88, struct in6_ifreq) 431 #define SIOCGSCOPE6 _IOWR('i', 89, struct in6_ifreq) 432 #define SIOCGSCOPE6DEF _IOWR('i', 90, struct in6_ifreq) 433 434 #define SIOCSIFPREFIX_IN6 _IOW('i', 100, struct in6_prefixreq) /* set */ 435 #define SIOCGIFPREFIX_IN6 _IOWR('i', 101, struct in6_prefixreq) /* get */ 436 #define SIOCDIFPREFIX_IN6 _IOW('i', 102, struct in6_prefixreq) /* del */ 437 #define SIOCAIFPREFIX_IN6 _IOW('i', 103, struct in6_rrenumreq) /* add */ 438 #define SIOCCIFPREFIX_IN6 _IOW('i', 104, \ 439 struct in6_rrenumreq) /* change */ 440 #define SIOCSGIFPREFIX_IN6 _IOW('i', 105, \ 441 struct in6_rrenumreq) /* set global */ 442 443 #define SIOCGETSGCNT_IN6 _IOWR('u', 106, \ 444 struct sioc_sg_req6) /* get s,g pkt cnt */ 445 #define SIOCGETMIFCNT_IN6 _IOWR('u', 107, \ 446 struct sioc_mif_req6) /* get pkt cnt per if */ 447 448 #define IN6_IFF_ANYCAST 0x01 /* anycast address */ 449 #define IN6_IFF_TENTATIVE 0x02 /* tentative address */ 450 #define IN6_IFF_DUPLICATED 0x04 /* DAD detected duplicate */ 451 #define IN6_IFF_DETACHED 0x08 /* may be detached from the link */ 452 #define IN6_IFF_DEPRECATED 0x10 /* deprecated address */ 453 #define IN6_IFF_NODAD 0x20 /* don't perform DAD on this address 454 * (used only at first SIOC* call) 455 */ 456 #define IN6_IFF_AUTOCONF 0x40 /* autoconfigurable address. */ 457 #define IN6_IFF_TEMPORARY 0x80 /* temporary (anonymous) address. */ 458 #define IN6_IFF_NOPFX 0x8000 /* skip kernel prefix management. 459 * XXX: this should be temporary. 460 */ 461 462 /* do not input/output */ 463 #define IN6_IFF_NOTREADY (IN6_IFF_TENTATIVE|IN6_IFF_DUPLICATED) 464 465 #ifdef _KERNEL 466 #define IN6_ARE_SCOPE_CMP(a,b) ((a)-(b)) 467 #define IN6_ARE_SCOPE_EQUAL(a,b) ((a)==(b)) 468 #endif 469 470 #ifdef _KERNEL 471 extern struct in6_ifaddr *in6_ifaddr; 472 473 extern struct icmp6stat icmp6stat; 474 #define in6_ifstat_inc(ifp, tag) \ 475 do { \ 476 if (ifp) \ 477 ((struct in6_ifextra *)((ifp)->if_afdata[AF_INET6]))->in6_ifstat->tag++; \ 478 } while (0) 479 480 extern struct ifqueue ip6intrq; /* IP6 packet input queue */ 481 extern struct in6_addr zeroin6_addr; 482 extern u_char inet6ctlerrmap[]; 483 extern unsigned long in6_maxmtu; 484 #ifdef MALLOC_DECLARE 485 MALLOC_DECLARE(M_IPMADDR); 486 #endif 487 488 /* 489 * Macro for finding the internet address structure (in6_ifaddr) corresponding 490 * to a given interface (ifnet structure). 491 */ 492 493 #define IFP_TO_IA6(ifp, ia) \ 494 /* struct ifnet *ifp; */ \ 495 /* struct in6_ifaddr *ia; */ \ 496 do { \ 497 struct ifaddr_container *ifac; \ 498 TAILQ_FOREACH(ifac, &(ifp)->if_addrheads[mycpuid], ifa_list) { \ 499 if (!ifac->ifa->ifa_addr) \ 500 continue; \ 501 if (ifac->ifa->ifa_addr->sa_family == AF_INET6) \ 502 break; \ 503 } \ 504 (ia) = ifac == NULL ? NULL : (struct in6_ifaddr *)(ifac->ifa); \ 505 } while (0) 506 507 #endif /* _KERNEL */ 508 509 /* 510 * Multi-cast membership entry. One for each group/ifp that a PCB 511 * belongs to. 512 */ 513 struct in6_multi_mship { 514 struct in6_multi *i6mm_maddr; /* Multicast address pointer */ 515 LIST_ENTRY(in6_multi_mship) i6mm_chain; /* multicast options chain */ 516 }; 517 518 struct in6_multi { 519 LIST_ENTRY(in6_multi) in6m_entry; /* list glue */ 520 struct in6_addr in6m_addr; /* IP6 multicast address */ 521 struct ifnet *in6m_ifp; /* back pointer to ifnet */ 522 struct ifmultiaddr *in6m_ifma; /* back pointer to ifmultiaddr */ 523 u_int in6m_refcount; /* # membership claims by sockets */ 524 u_int in6m_state; /* state of the membership */ 525 u_int in6m_timer; /* MLD6 listener report timer */ 526 }; 527 528 #ifdef _KERNEL 529 extern LIST_HEAD(in6_multihead, in6_multi) in6_multihead; 530 531 /* 532 * Structure used by macros below to remember position when stepping through 533 * all of the in6_multi records. 534 */ 535 struct in6_multistep { 536 struct in6_ifaddr *i_ia; 537 struct in6_multi *i_in6m; 538 }; 539 540 /* 541 * Macros for looking up the in6_multi record for a given IP6 multicast 542 * address on a given interface. If no matching record is found, "in6m" 543 * returns NLL. 544 */ 545 546 #define IN6_LOOKUP_MULTI(addr, ifp, in6m) \ 547 /* struct in6_addr addr; */ \ 548 /* struct ifnet *ifp; */ \ 549 /* struct in6_multi *in6m; */ \ 550 do { \ 551 struct ifmultiaddr *ifma; \ 552 for (ifma = (ifp)->if_multiaddrs.lh_first; ifma; \ 553 ifma = ifma->ifma_link.le_next) { \ 554 if (ifma->ifma_addr->sa_family == AF_INET6 \ 555 && IN6_ARE_ADDR_EQUAL(&((struct sockaddr_in6 *)ifma->ifma_addr)->sin6_addr, \ 556 &(addr))) \ 557 break; \ 558 } \ 559 (in6m) = (struct in6_multi *)(ifma ? ifma->ifma_protospec : 0); \ 560 } while(0) 561 562 /* 563 * Macro to step through all of the in6_multi records, one at a time. 564 * The current position is remembered in "step", which the caller must 565 * provide. IN6_FIRST_MULTI(), below, must be called to initialize "step" 566 * and get the first record. Both macros return a NULL "in6m" when there 567 * are no remaining records. 568 */ 569 #define IN6_NEXT_MULTI(step, in6m) \ 570 /* struct in6_multistep step; */ \ 571 /* struct in6_multi *in6m; */ \ 572 do { \ 573 if (((in6m) = (step).i_in6m) != NULL) \ 574 (step).i_in6m = (step).i_in6m->in6m_entry.le_next; \ 575 } while(0) 576 577 #define IN6_FIRST_MULTI(step, in6m) \ 578 /* struct in6_multistep step; */ \ 579 /* struct in6_multi *in6m */ \ 580 do { \ 581 (step).i_in6m = in6_multihead.lh_first; \ 582 IN6_NEXT_MULTI((step), (in6m)); \ 583 } while(0) 584 585 struct in6_multi *in6_addmulti (struct in6_addr *, struct ifnet *, 586 int *); 587 void in6_delmulti (struct in6_multi *); 588 struct in6_multi_mship *in6_joingroup(struct ifnet *, struct in6_addr *, int *); 589 int in6_leavegroup(struct in6_multi_mship *); 590 591 extern int in6_ifindex2scopeid (int); 592 extern int in6_mask2len (struct in6_addr *, u_char *); 593 extern void in6_len2mask (struct in6_addr *, int); 594 int in6_control (struct socket *, 595 u_long, caddr_t, struct ifnet *, struct thread *); 596 int in6_update_ifa (struct ifnet *, struct in6_aliasreq *, 597 struct in6_ifaddr *); 598 void in6_purgeaddr (struct ifaddr *); 599 int in6if_do_dad (struct ifnet *); 600 void in6_purgeif (struct ifnet *); 601 void in6_savemkludge (struct in6_ifaddr *); 602 void *in6_domifattach (struct ifnet *); 603 void in6_domifdetach (struct ifnet *, void *); 604 void in6_setmaxmtu (void); 605 void in6_restoremkludge (struct in6_ifaddr *, struct ifnet *); 606 void in6_purgemkludge (struct ifnet *); 607 struct in6_ifaddr *in6ifa_ifpforlinklocal (struct ifnet *, int); 608 struct in6_ifaddr *in6ifa_ifpwithaddr (struct ifnet *, 609 struct in6_addr *); 610 char *ip6_sprintf (const struct in6_addr *); 611 int in6_addr2scopeid (struct ifnet *, struct in6_addr *); 612 int in6_matchlen (struct in6_addr *, struct in6_addr *); 613 int in6_are_prefix_equal (struct in6_addr *p1, struct in6_addr *p2, 614 int len); 615 void in6_prefixlen2mask (struct in6_addr *maskp, int len); 616 int in6_prefix_ioctl (struct socket *so, u_long cmd, caddr_t data, 617 struct ifnet *ifp); 618 int in6_prefix_add_ifid (int iilen, struct in6_ifaddr *ia); 619 void in6_prefix_remove_ifid (int iilen, struct in6_ifaddr *ia); 620 void in6_purgeprefix (struct ifnet *); 621 void in6_ifremloop(struct ifaddr *); 622 void in6_ifaddloop(struct ifaddr *); 623 624 int in6_is_addr_deprecated (struct sockaddr_in6 *); 625 struct inpcb; 626 int in6_embedscope (struct in6_addr *, const struct sockaddr_in6 *, 627 struct inpcb *, struct ifnet **); 628 int in6_recoverscope (struct sockaddr_in6 *, const struct in6_addr *, 629 struct ifnet *); 630 void in6_clearscope (struct in6_addr *); 631 #endif /* _KERNEL */ 632 633 #endif /* _NETINET6_IN6_VAR_H_ */ 634