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 1.10 2008/10/03 07:59:20 hasso 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 /* control structure to manage address selection policy */ 138 struct in6_addrpolicy { 139 struct sockaddr_in6 addr; /* prefix address */ 140 struct sockaddr_in6 addrmask; /* prefix mask */ 141 int preced; /* precedence */ 142 int label; /* matching label */ 143 u_quad_t use; /* statistics */ 144 }; 145 146 /* 147 * IPv6 interface statistics, as defined in RFC2465 Ipv6IfStatsEntry (p12). 148 */ 149 struct in6_ifstat { 150 u_quad_t ifs6_in_receive; /* # of total input datagram */ 151 u_quad_t ifs6_in_hdrerr; /* # of datagrams with invalid hdr */ 152 u_quad_t ifs6_in_toobig; /* # of datagrams exceeded MTU */ 153 u_quad_t ifs6_in_noroute; /* # of datagrams with no route */ 154 u_quad_t ifs6_in_addrerr; /* # of datagrams with invalid dst */ 155 u_quad_t ifs6_in_protounknown; /* # of datagrams with unknown proto */ 156 /* NOTE: increment on final dst if */ 157 u_quad_t ifs6_in_truncated; /* # of truncated datagrams */ 158 u_quad_t ifs6_in_discard; /* # of discarded datagrams */ 159 /* NOTE: fragment timeout is not here */ 160 u_quad_t ifs6_in_deliver; /* # of datagrams delivered to ULP */ 161 /* NOTE: increment on final dst if */ 162 u_quad_t ifs6_out_forward; /* # of datagrams forwarded */ 163 /* NOTE: increment on outgoing if */ 164 u_quad_t ifs6_out_request; /* # of outgoing datagrams from ULP */ 165 /* NOTE: does not include forwrads */ 166 u_quad_t ifs6_out_discard; /* # of discarded datagrams */ 167 u_quad_t ifs6_out_fragok; /* # of datagrams fragmented */ 168 u_quad_t ifs6_out_fragfail; /* # of datagrams failed on fragment */ 169 u_quad_t ifs6_out_fragcreat; /* # of fragment datagrams */ 170 /* NOTE: this is # after fragment */ 171 u_quad_t ifs6_reass_reqd; /* # of incoming fragmented packets */ 172 /* NOTE: increment on final dst if */ 173 u_quad_t ifs6_reass_ok; /* # of reassembled packets */ 174 /* NOTE: this is # after reass */ 175 /* NOTE: increment on final dst if */ 176 u_quad_t ifs6_reass_fail; /* # of reass failures */ 177 /* NOTE: may not be packet count */ 178 /* NOTE: increment on final dst if */ 179 u_quad_t ifs6_in_mcast; /* # of inbound multicast datagrams */ 180 u_quad_t ifs6_out_mcast; /* # of outbound multicast datagrams */ 181 }; 182 183 /* 184 * ICMPv6 interface statistics, as defined in RFC2466 Ipv6IfIcmpEntry. 185 * XXX: I'm not sure if this file is the right place for this structure... 186 */ 187 struct icmp6_ifstat { 188 /* 189 * Input statistics 190 */ 191 /* ipv6IfIcmpInMsgs, total # of input messages */ 192 u_quad_t ifs6_in_msg; 193 /* ipv6IfIcmpInErrors, # of input error messages */ 194 u_quad_t ifs6_in_error; 195 /* ipv6IfIcmpInDestUnreachs, # of input dest unreach errors */ 196 u_quad_t ifs6_in_dstunreach; 197 /* ipv6IfIcmpInAdminProhibs, # of input administratively prohibited errs */ 198 u_quad_t ifs6_in_adminprohib; 199 /* ipv6IfIcmpInTimeExcds, # of input time exceeded errors */ 200 u_quad_t ifs6_in_timeexceed; 201 /* ipv6IfIcmpInParmProblems, # of input parameter problem errors */ 202 u_quad_t ifs6_in_paramprob; 203 /* ipv6IfIcmpInPktTooBigs, # of input packet too big errors */ 204 u_quad_t ifs6_in_pkttoobig; 205 /* ipv6IfIcmpInEchos, # of input echo requests */ 206 u_quad_t ifs6_in_echo; 207 /* ipv6IfIcmpInEchoReplies, # of input echo replies */ 208 u_quad_t ifs6_in_echoreply; 209 /* ipv6IfIcmpInRouterSolicits, # of input router solicitations */ 210 u_quad_t ifs6_in_routersolicit; 211 /* ipv6IfIcmpInRouterAdvertisements, # of input router advertisements */ 212 u_quad_t ifs6_in_routeradvert; 213 /* ipv6IfIcmpInNeighborSolicits, # of input neighbor solicitations */ 214 u_quad_t ifs6_in_neighborsolicit; 215 /* ipv6IfIcmpInNeighborAdvertisements, # of input neighbor advertisements */ 216 u_quad_t ifs6_in_neighboradvert; 217 /* ipv6IfIcmpInRedirects, # of input redirects */ 218 u_quad_t ifs6_in_redirect; 219 /* ipv6IfIcmpInGroupMembQueries, # of input MLD queries */ 220 u_quad_t ifs6_in_mldquery; 221 /* ipv6IfIcmpInGroupMembResponses, # of input MLD reports */ 222 u_quad_t ifs6_in_mldreport; 223 /* ipv6IfIcmpInGroupMembReductions, # of input MLD done */ 224 u_quad_t ifs6_in_mlddone; 225 226 /* 227 * Output statistics. We should solve unresolved routing problem... 228 */ 229 /* ipv6IfIcmpOutMsgs, total # of output messages */ 230 u_quad_t ifs6_out_msg; 231 /* ipv6IfIcmpOutErrors, # of output error messages */ 232 u_quad_t ifs6_out_error; 233 /* ipv6IfIcmpOutDestUnreachs, # of output dest unreach errors */ 234 u_quad_t ifs6_out_dstunreach; 235 /* ipv6IfIcmpOutAdminProhibs, # of output administratively prohibited errs */ 236 u_quad_t ifs6_out_adminprohib; 237 /* ipv6IfIcmpOutTimeExcds, # of output time exceeded errors */ 238 u_quad_t ifs6_out_timeexceed; 239 /* ipv6IfIcmpOutParmProblems, # of output parameter problem errors */ 240 u_quad_t ifs6_out_paramprob; 241 /* ipv6IfIcmpOutPktTooBigs, # of output packet too big errors */ 242 u_quad_t ifs6_out_pkttoobig; 243 /* ipv6IfIcmpOutEchos, # of output echo requests */ 244 u_quad_t ifs6_out_echo; 245 /* ipv6IfIcmpOutEchoReplies, # of output echo replies */ 246 u_quad_t ifs6_out_echoreply; 247 /* ipv6IfIcmpOutRouterSolicits, # of output router solicitations */ 248 u_quad_t ifs6_out_routersolicit; 249 /* ipv6IfIcmpOutRouterAdvertisements, # of output router advertisements */ 250 u_quad_t ifs6_out_routeradvert; 251 /* ipv6IfIcmpOutNeighborSolicits, # of output neighbor solicitations */ 252 u_quad_t ifs6_out_neighborsolicit; 253 /* ipv6IfIcmpOutNeighborAdvertisements, # of output neighbor advertisements */ 254 u_quad_t ifs6_out_neighboradvert; 255 /* ipv6IfIcmpOutRedirects, # of output redirects */ 256 u_quad_t ifs6_out_redirect; 257 /* ipv6IfIcmpOutGroupMembQueries, # of output MLD queries */ 258 u_quad_t ifs6_out_mldquery; 259 /* ipv6IfIcmpOutGroupMembResponses, # of output MLD reports */ 260 u_quad_t ifs6_out_mldreport; 261 /* ipv6IfIcmpOutGroupMembReductions, # of output MLD done */ 262 u_quad_t ifs6_out_mlddone; 263 }; 264 265 struct in6_ifreq { 266 char ifr_name[IFNAMSIZ]; 267 union { 268 struct sockaddr_in6 ifru_addr; 269 struct sockaddr_in6 ifru_dstaddr; 270 short ifru_flags; 271 int ifru_flags6; 272 int ifru_metric; 273 caddr_t ifru_data; 274 struct in6_addrlifetime ifru_lifetime; 275 struct in6_ifstat ifru_stat; 276 struct icmp6_ifstat ifru_icmp6stat; 277 u_int32_t ifru_scope_id[16]; 278 } ifr_ifru; 279 }; 280 281 struct in6_aliasreq { 282 char ifra_name[IFNAMSIZ]; 283 struct sockaddr_in6 ifra_addr; 284 struct sockaddr_in6 ifra_dstaddr; 285 struct sockaddr_in6 ifra_prefixmask; 286 int ifra_flags; 287 struct in6_addrlifetime ifra_lifetime; 288 }; 289 290 /* prefix type macro */ 291 #define IN6_PREFIX_ND 1 292 #define IN6_PREFIX_RR 2 293 294 /* 295 * prefix related flags passed between kernel(NDP related part) and 296 * user land command(ifconfig) and daemon(rtadvd). 297 */ 298 struct in6_prflags { 299 struct prf_ra { 300 u_char onlink : 1; 301 u_char autonomous : 1; 302 u_char reserved : 6; 303 } prf_ra; 304 u_char prf_reserved1; 305 u_short prf_reserved2; 306 /* want to put this on 4byte offset */ 307 struct prf_rr { 308 u_char decrvalid : 1; 309 u_char decrprefd : 1; 310 u_char reserved : 6; 311 } prf_rr; 312 u_char prf_reserved3; 313 u_short prf_reserved4; 314 }; 315 316 struct in6_prefixreq { 317 char ipr_name[IFNAMSIZ]; 318 u_char ipr_origin; 319 u_char ipr_plen; 320 u_int32_t ipr_vltime; 321 u_int32_t ipr_pltime; 322 struct in6_prflags ipr_flags; 323 struct sockaddr_in6 ipr_prefix; 324 }; 325 326 #define PR_ORIG_RA 0 327 #define PR_ORIG_RR 1 328 #define PR_ORIG_STATIC 2 329 #define PR_ORIG_KERNEL 3 330 331 #define ipr_raf_onlink ipr_flags.prf_ra.onlink 332 #define ipr_raf_auto ipr_flags.prf_ra.autonomous 333 334 #define ipr_statef_onlink ipr_flags.prf_state.onlink 335 336 #define ipr_rrf_decrvalid ipr_flags.prf_rr.decrvalid 337 #define ipr_rrf_decrprefd ipr_flags.prf_rr.decrprefd 338 339 struct in6_rrenumreq { 340 char irr_name[IFNAMSIZ]; 341 u_char irr_origin; 342 u_char irr_m_len; /* match len for matchprefix */ 343 u_char irr_m_minlen; /* minlen for matching prefix */ 344 u_char irr_m_maxlen; /* maxlen for matching prefix */ 345 u_char irr_u_uselen; /* uselen for adding prefix */ 346 u_char irr_u_keeplen; /* keeplen from matching prefix */ 347 struct irr_raflagmask { 348 u_char onlink : 1; 349 u_char autonomous : 1; 350 u_char reserved : 6; 351 } irr_raflagmask; 352 u_int32_t irr_vltime; 353 u_int32_t irr_pltime; 354 struct in6_prflags irr_flags; 355 struct sockaddr_in6 irr_matchprefix; 356 struct sockaddr_in6 irr_useprefix; 357 }; 358 359 #define irr_raf_mask_onlink irr_raflagmask.onlink 360 #define irr_raf_mask_auto irr_raflagmask.autonomous 361 #define irr_raf_mask_reserved irr_raflagmask.reserved 362 363 #define irr_raf_onlink irr_flags.prf_ra.onlink 364 #define irr_raf_auto irr_flags.prf_ra.autonomous 365 366 #define irr_statef_onlink irr_flags.prf_state.onlink 367 368 #define irr_rrf irr_flags.prf_rr 369 #define irr_rrf_decrvalid irr_flags.prf_rr.decrvalid 370 #define irr_rrf_decrprefd irr_flags.prf_rr.decrprefd 371 372 /* 373 * Given a pointer to an in6_ifaddr (ifaddr), 374 * return a pointer to the addr as a sockaddr_in6 375 */ 376 #define IA6_IN6(ia) (&((ia)->ia_addr.sin6_addr)) 377 #define IA6_DSTIN6(ia) (&((ia)->ia_dstaddr.sin6_addr)) 378 #define IA6_MASKIN6(ia) (&((ia)->ia_prefixmask.sin6_addr)) 379 #define IA6_SIN6(ia) (&((ia)->ia_addr)) 380 #define IA6_DSTSIN6(ia) (&((ia)->ia_dstaddr)) 381 #define IFA_IN6(x) (&((struct sockaddr_in6 *)((x)->ifa_addr))->sin6_addr) 382 #define IFA_DSTIN6(x) (&((struct sockaddr_in6 *)((x)->ifa_dstaddr))->sin6_addr) 383 384 #define IFPR_IN6(x) (&((struct sockaddr_in6 *)((x)->ifpr_prefix))->sin6_addr) 385 386 #ifdef _KERNEL 387 #define IN6_ARE_MASKED_ADDR_EQUAL(d, a, m) ( \ 388 (((d)->s6_addr32[0] ^ (a)->s6_addr32[0]) & (m)->s6_addr32[0]) == 0 && \ 389 (((d)->s6_addr32[1] ^ (a)->s6_addr32[1]) & (m)->s6_addr32[1]) == 0 && \ 390 (((d)->s6_addr32[2] ^ (a)->s6_addr32[2]) & (m)->s6_addr32[2]) == 0 && \ 391 (((d)->s6_addr32[3] ^ (a)->s6_addr32[3]) & (m)->s6_addr32[3]) == 0 ) 392 #endif 393 394 #define SIOCSIFADDR_IN6 _IOW('i', 12, struct in6_ifreq) 395 #define SIOCGIFADDR_IN6 _IOWR('i', 33, struct in6_ifreq) 396 397 #ifdef _KERNEL 398 /* 399 * SIOCSxxx ioctls should be unused (see comments in in6.c), but 400 * we do not shift numbers for binary compatibility. 401 */ 402 #define SIOCSIFDSTADDR_IN6 _IOW('i', 14, struct in6_ifreq) 403 #define SIOCSIFNETMASK_IN6 _IOW('i', 22, struct in6_ifreq) 404 #endif 405 406 #define SIOCGIFDSTADDR_IN6 _IOWR('i', 34, struct in6_ifreq) 407 #define SIOCGIFNETMASK_IN6 _IOWR('i', 37, struct in6_ifreq) 408 409 #define SIOCDIFADDR_IN6 _IOW('i', 25, struct in6_ifreq) 410 #define SIOCAIFADDR_IN6 _IOW('i', 26, struct in6_aliasreq) 411 412 #define SIOCSIFPHYADDR_IN6 _IOW('i', 70, struct in6_aliasreq) 413 #define SIOCGIFPSRCADDR_IN6 _IOWR('i', 71, struct in6_ifreq) 414 #define SIOCGIFPDSTADDR_IN6 _IOWR('i', 72, struct in6_ifreq) 415 416 #define SIOCGIFAFLAG_IN6 _IOWR('i', 73, struct in6_ifreq) 417 418 #define SIOCGDRLST_IN6 _IOWR('i', 74, struct in6_drlist) 419 #define SIOCGPRLST_IN6 _IOWR('i', 75, struct in6_prlist) 420 #ifdef _KERNEL 421 #define OSIOCGIFINFO_IN6 _IOWR('i', 76, struct in6_ondireq) 422 #endif 423 #define SIOCGIFINFO_IN6 _IOWR('i', 108, struct in6_ndireq) 424 #define SIOCSNDFLUSH_IN6 _IOWR('i', 77, struct in6_ifreq) 425 #define SIOCGNBRINFO_IN6 _IOWR('i', 78, struct in6_nbrinfo) 426 #define SIOCSPFXFLUSH_IN6 _IOWR('i', 79, struct in6_ifreq) 427 #define SIOCSRTRFLUSH_IN6 _IOWR('i', 80, struct in6_ifreq) 428 429 #define SIOCGIFALIFETIME_IN6 _IOWR('i', 81, struct in6_ifreq) 430 #define SIOCSIFALIFETIME_IN6 _IOWR('i', 82, struct in6_ifreq) 431 #define SIOCGIFSTAT_IN6 _IOWR('i', 83, struct in6_ifreq) 432 #define SIOCGIFSTAT_ICMP6 _IOWR('i', 84, struct in6_ifreq) 433 434 #define SIOCSDEFIFACE_IN6 _IOWR('i', 85, struct in6_ndifreq) 435 #define SIOCGDEFIFACE_IN6 _IOWR('i', 86, struct in6_ndifreq) 436 437 #define SIOCSIFINFO_FLAGS _IOWR('i', 87, struct in6_ndireq) /* XXX */ 438 439 #define SIOCSSCOPE6 _IOW('i', 88, struct in6_ifreq) 440 #define SIOCGSCOPE6 _IOWR('i', 89, struct in6_ifreq) 441 #define SIOCGSCOPE6DEF _IOWR('i', 90, struct in6_ifreq) 442 443 #define SIOCSIFPREFIX_IN6 _IOW('i', 100, struct in6_prefixreq) /* set */ 444 #define SIOCGIFPREFIX_IN6 _IOWR('i', 101, struct in6_prefixreq) /* get */ 445 #define SIOCDIFPREFIX_IN6 _IOW('i', 102, struct in6_prefixreq) /* del */ 446 #define SIOCAIFPREFIX_IN6 _IOW('i', 103, struct in6_rrenumreq) /* add */ 447 #define SIOCCIFPREFIX_IN6 _IOW('i', 104, \ 448 struct in6_rrenumreq) /* change */ 449 #define SIOCSGIFPREFIX_IN6 _IOW('i', 105, \ 450 struct in6_rrenumreq) /* set global */ 451 452 #define SIOCGETSGCNT_IN6 _IOWR('u', 106, \ 453 struct sioc_sg_req6) /* get s,g pkt cnt */ 454 #define SIOCGETMIFCNT_IN6 _IOWR('u', 107, \ 455 struct sioc_mif_req6) /* get pkt cnt per if */ 456 457 #define SIOCAADDRCTL_POLICY _IOW('u', 108, struct in6_addrpolicy) 458 #define SIOCDADDRCTL_POLICY _IOW('u', 109, struct in6_addrpolicy) 459 460 #define IN6_IFF_ANYCAST 0x01 /* anycast address */ 461 #define IN6_IFF_TENTATIVE 0x02 /* tentative address */ 462 #define IN6_IFF_DUPLICATED 0x04 /* DAD detected duplicate */ 463 #define IN6_IFF_DETACHED 0x08 /* may be detached from the link */ 464 #define IN6_IFF_DEPRECATED 0x10 /* deprecated address */ 465 #define IN6_IFF_NODAD 0x20 /* don't perform DAD on this address 466 * (used only at first SIOC* call) 467 */ 468 #define IN6_IFF_AUTOCONF 0x40 /* autoconfigurable address. */ 469 #define IN6_IFF_TEMPORARY 0x80 /* temporary (anonymous) address. */ 470 #define IN6_IFF_NOPFX 0x8000 /* skip kernel prefix management. 471 * XXX: this should be temporary. 472 */ 473 474 /* do not input/output */ 475 #define IN6_IFF_NOTREADY (IN6_IFF_TENTATIVE|IN6_IFF_DUPLICATED) 476 477 #ifdef _KERNEL 478 #define IN6_ARE_SCOPE_CMP(a,b) ((a)-(b)) 479 #define IN6_ARE_SCOPE_EQUAL(a,b) ((a)==(b)) 480 #endif 481 482 #ifdef _KERNEL 483 extern struct in6_ifaddr *in6_ifaddr; 484 485 extern struct icmp6stat icmp6stat; 486 #define in6_ifstat_inc(ifp, tag) \ 487 do { \ 488 if (ifp) \ 489 ((struct in6_ifextra *)((ifp)->if_afdata[AF_INET6]))->in6_ifstat->tag++; \ 490 } while (0) 491 492 extern struct ifqueue ip6intrq; /* IP6 packet input queue */ 493 extern struct in6_addr zeroin6_addr; 494 extern u_char inet6ctlerrmap[]; 495 extern unsigned long in6_maxmtu; 496 #ifdef MALLOC_DECLARE 497 MALLOC_DECLARE(M_IPMADDR); 498 #endif 499 500 /* 501 * Macro for finding the internet address structure (in6_ifaddr) corresponding 502 * to a given interface (ifnet structure). 503 */ 504 505 #define IFP_TO_IA6(ifp, ia) \ 506 /* struct ifnet *ifp; */ \ 507 /* struct in6_ifaddr *ia; */ \ 508 do { \ 509 struct ifaddr_container *ifac; \ 510 TAILQ_FOREACH(ifac, &(ifp)->if_addrheads[mycpuid], ifa_list) { \ 511 if (!ifac->ifa->ifa_addr) \ 512 continue; \ 513 if (ifac->ifa->ifa_addr->sa_family == AF_INET6) \ 514 break; \ 515 } \ 516 (ia) = ifac == NULL ? NULL : (struct in6_ifaddr *)(ifac->ifa); \ 517 } while (0) 518 519 #endif /* _KERNEL */ 520 521 /* 522 * Multi-cast membership entry. One for each group/ifp that a PCB 523 * belongs to. 524 */ 525 struct in6_multi_mship { 526 struct in6_multi *i6mm_maddr; /* Multicast address pointer */ 527 LIST_ENTRY(in6_multi_mship) i6mm_chain; /* multicast options chain */ 528 }; 529 530 struct in6_multi { 531 LIST_ENTRY(in6_multi) in6m_entry; /* list glue */ 532 struct in6_addr in6m_addr; /* IP6 multicast address */ 533 struct ifnet *in6m_ifp; /* back pointer to ifnet */ 534 struct ifmultiaddr *in6m_ifma; /* back pointer to ifmultiaddr */ 535 u_int in6m_refcount; /* # membership claims by sockets */ 536 u_int in6m_state; /* state of the membership */ 537 u_int in6m_timer; /* MLD6 listener report timer */ 538 }; 539 540 #ifdef _KERNEL 541 extern LIST_HEAD(in6_multihead, in6_multi) in6_multihead; 542 543 /* 544 * Structure used by macros below to remember position when stepping through 545 * all of the in6_multi records. 546 */ 547 struct in6_multistep { 548 struct in6_ifaddr *i_ia; 549 struct in6_multi *i_in6m; 550 }; 551 552 /* 553 * Macros for looking up the in6_multi record for a given IP6 multicast 554 * address on a given interface. If no matching record is found, "in6m" 555 * returns NLL. 556 */ 557 558 #define IN6_LOOKUP_MULTI(addr, ifp, in6m) \ 559 /* struct in6_addr addr; */ \ 560 /* struct ifnet *ifp; */ \ 561 /* struct in6_multi *in6m; */ \ 562 do { \ 563 struct ifmultiaddr *ifma; \ 564 for (ifma = (ifp)->if_multiaddrs.lh_first; ifma; \ 565 ifma = ifma->ifma_link.le_next) { \ 566 if (ifma->ifma_addr->sa_family == AF_INET6 \ 567 && IN6_ARE_ADDR_EQUAL(&((struct sockaddr_in6 *)ifma->ifma_addr)->sin6_addr, \ 568 &(addr))) \ 569 break; \ 570 } \ 571 (in6m) = (struct in6_multi *)(ifma ? ifma->ifma_protospec : 0); \ 572 } while(0) 573 574 /* 575 * Macro to step through all of the in6_multi records, one at a time. 576 * The current position is remembered in "step", which the caller must 577 * provide. IN6_FIRST_MULTI(), below, must be called to initialize "step" 578 * and get the first record. Both macros return a NULL "in6m" when there 579 * are no remaining records. 580 */ 581 #define IN6_NEXT_MULTI(step, in6m) \ 582 /* struct in6_multistep step; */ \ 583 /* struct in6_multi *in6m; */ \ 584 do { \ 585 if (((in6m) = (step).i_in6m) != NULL) \ 586 (step).i_in6m = (step).i_in6m->in6m_entry.le_next; \ 587 } while(0) 588 589 #define IN6_FIRST_MULTI(step, in6m) \ 590 /* struct in6_multistep step; */ \ 591 /* struct in6_multi *in6m */ \ 592 do { \ 593 (step).i_in6m = in6_multihead.lh_first; \ 594 IN6_NEXT_MULTI((step), (in6m)); \ 595 } while(0) 596 597 struct in6_multi *in6_addmulti (struct in6_addr *, struct ifnet *, 598 int *); 599 void in6_delmulti (struct in6_multi *); 600 struct in6_multi_mship *in6_joingroup(struct ifnet *, struct in6_addr *, int *); 601 int in6_leavegroup(struct in6_multi_mship *); 602 603 extern int in6_ifindex2scopeid (int); 604 extern int in6_mask2len (struct in6_addr *, u_char *); 605 extern void in6_len2mask (struct in6_addr *, int); 606 int in6_control (struct socket *, 607 u_long, caddr_t, struct ifnet *, struct thread *); 608 int in6_update_ifa (struct ifnet *, struct in6_aliasreq *, 609 struct in6_ifaddr *); 610 void in6_purgeaddr (struct ifaddr *); 611 int in6if_do_dad (struct ifnet *); 612 void in6_purgeif (struct ifnet *); 613 void in6_savemkludge (struct in6_ifaddr *); 614 void *in6_domifattach (struct ifnet *); 615 void in6_domifdetach (struct ifnet *, void *); 616 void in6_setmaxmtu (void); 617 void in6_restoremkludge (struct in6_ifaddr *, struct ifnet *); 618 void in6_purgemkludge (struct ifnet *); 619 struct in6_ifaddr *in6ifa_ifpforlinklocal (struct ifnet *, int); 620 struct in6_ifaddr *in6ifa_ifpwithaddr (struct ifnet *, 621 struct in6_addr *); 622 struct in6_ifaddr *in6ifa_ifplocaladdr(const struct ifnet *, 623 const struct in6_addr *); 624 char *ip6_sprintf (const struct in6_addr *); 625 int in6_addr2scopeid (struct ifnet *, struct in6_addr *); 626 int in6_matchlen (struct in6_addr *, struct in6_addr *); 627 int in6_are_prefix_equal (struct in6_addr *p1, struct in6_addr *p2, 628 int len); 629 void in6_prefixlen2mask (struct in6_addr *maskp, int len); 630 int in6_prefix_ioctl (struct socket *so, u_long cmd, caddr_t data, 631 struct ifnet *ifp); 632 int in6_prefix_add_ifid (int iilen, struct in6_ifaddr *ia); 633 void in6_prefix_remove_ifid (int iilen, struct in6_ifaddr *ia); 634 void in6_purgeprefix (struct ifnet *); 635 void in6_ifremloop(struct ifaddr *); 636 void in6_ifaddloop(struct ifaddr *); 637 638 int in6_is_addr_deprecated (struct sockaddr_in6 *); 639 struct inpcb; 640 int in6_embedscope (struct in6_addr *, const struct sockaddr_in6 *, 641 struct inpcb *, struct ifnet **); 642 int in6_recoverscope (struct sockaddr_in6 *, const struct in6_addr *, 643 struct ifnet *); 644 void in6_clearscope (struct in6_addr *); 645 int in6_src_ioctl (u_long, caddr_t); 646 #endif /* _KERNEL */ 647 648 #endif /* _NETINET6_IN6_VAR_H_ */ 649