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_IOCCOM_H_ 76 #include <sys/ioccom.h> 77 #endif 78 #ifndef _SYS_TIME_H_ 79 #include <sys/time.h> 80 #endif 81 #ifndef _NET_IF_VAR_H_ 82 #include <net/if_var.h> 83 #endif 84 #ifndef _NETINET_IN_H_ 85 #include <netinet/in.h> 86 #endif 87 88 /* 89 * Interface address, Internet version. One of these structures 90 * is allocated for each interface with an Internet address. 91 * The ifaddr structure contains the protocol-independent part 92 * of the structure and is assumed to be first. 93 */ 94 95 /* 96 * pltime/vltime are just for future reference (required to implements 2 97 * hour rule for hosts). they should never be modified by nd6_timeout or 98 * anywhere else. 99 * userland -> kernel: accept pltime/vltime 100 * kernel -> userland: throw up everything 101 * in kernel: modify preferred/expire only 102 */ 103 struct in6_addrlifetime { 104 time_t ia6t_expire; /* valid lifetime expiration time */ 105 time_t ia6t_preferred; /* preferred lifetime expiration time */ 106 u_int32_t ia6t_vltime; /* valid lifetime */ 107 u_int32_t ia6t_pltime; /* prefix lifetime */ 108 }; 109 110 struct nd_ifinfo; 111 struct scope6_id; 112 113 struct in6_ifextra { 114 struct in6_ifstat *in6_ifstat; 115 struct icmp6_ifstat *icmp6_ifstat; 116 struct nd_ifinfo *nd_ifinfo; 117 struct scope6_id *scope6_id; 118 }; 119 120 struct in6_ifaddr { 121 struct ifaddr ia_ifa; /* protocol-independent info */ 122 #define ia_ifp ia_ifa.ifa_ifp 123 #define ia_flags ia_ifa.ifa_flags 124 struct sockaddr_in6 ia_addr; /* interface address */ 125 struct sockaddr_in6 ia_net; /* network number of interface */ 126 struct sockaddr_in6 ia_dstaddr; /* space for destination addr */ 127 struct sockaddr_in6 ia_prefixmask; /* prefix mask */ 128 u_int32_t ia_plen; /* prefix length */ 129 struct in6_ifaddr *ia_next; /* next in6 list of IP6 addresses */ 130 int ia6_flags; 131 132 struct in6_addrlifetime ia6_lifetime; 133 struct ifprefix *ia6_ifpr; /* back pointer to ifprefix */ 134 135 struct nd_prefix *ia6_ndpr; /* back pointer to the ND prefix 136 * (for autoconfigured addresses only) 137 */ 138 }; 139 140 /* control structure to manage address selection policy */ 141 struct in6_addrpolicy { 142 struct sockaddr_in6 addr; /* prefix address */ 143 struct sockaddr_in6 addrmask; /* prefix mask */ 144 int preced; /* precedence */ 145 int label; /* matching label */ 146 u_quad_t use; /* statistics */ 147 }; 148 149 /* 150 * IPv6 interface statistics, as defined in RFC2465 Ipv6IfStatsEntry (p12). 151 */ 152 struct in6_ifstat { 153 u_quad_t ifs6_in_receive; /* # of total input datagram */ 154 u_quad_t ifs6_in_hdrerr; /* # of datagrams with invalid hdr */ 155 u_quad_t ifs6_in_toobig; /* # of datagrams exceeded MTU */ 156 u_quad_t ifs6_in_noroute; /* # of datagrams with no route */ 157 u_quad_t ifs6_in_addrerr; /* # of datagrams with invalid dst */ 158 u_quad_t ifs6_in_protounknown; /* # of datagrams with unknown proto */ 159 /* NOTE: increment on final dst if */ 160 u_quad_t ifs6_in_truncated; /* # of truncated datagrams */ 161 u_quad_t ifs6_in_discard; /* # of discarded datagrams */ 162 /* NOTE: fragment timeout is not here */ 163 u_quad_t ifs6_in_deliver; /* # of datagrams delivered to ULP */ 164 /* NOTE: increment on final dst if */ 165 u_quad_t ifs6_out_forward; /* # of datagrams forwarded */ 166 /* NOTE: increment on outgoing if */ 167 u_quad_t ifs6_out_request; /* # of outgoing datagrams from ULP */ 168 /* NOTE: does not include forwrads */ 169 u_quad_t ifs6_out_discard; /* # of discarded datagrams */ 170 u_quad_t ifs6_out_fragok; /* # of datagrams fragmented */ 171 u_quad_t ifs6_out_fragfail; /* # of datagrams failed on fragment */ 172 u_quad_t ifs6_out_fragcreat; /* # of fragment datagrams */ 173 /* NOTE: this is # after fragment */ 174 u_quad_t ifs6_reass_reqd; /* # of incoming fragmented packets */ 175 /* NOTE: increment on final dst if */ 176 u_quad_t ifs6_reass_ok; /* # of reassembled packets */ 177 /* NOTE: this is # after reass */ 178 /* NOTE: increment on final dst if */ 179 u_quad_t ifs6_reass_fail; /* # of reass failures */ 180 /* NOTE: may not be packet count */ 181 /* NOTE: increment on final dst if */ 182 u_quad_t ifs6_in_mcast; /* # of inbound multicast datagrams */ 183 u_quad_t ifs6_out_mcast; /* # of outbound multicast datagrams */ 184 }; 185 186 /* 187 * ICMPv6 interface statistics, as defined in RFC2466 Ipv6IfIcmpEntry. 188 * XXX: I'm not sure if this file is the right place for this structure... 189 */ 190 struct icmp6_ifstat { 191 /* 192 * Input statistics 193 */ 194 /* ipv6IfIcmpInMsgs, total # of input messages */ 195 u_quad_t ifs6_in_msg; 196 /* ipv6IfIcmpInErrors, # of input error messages */ 197 u_quad_t ifs6_in_error; 198 /* ipv6IfIcmpInDestUnreachs, # of input dest unreach errors */ 199 u_quad_t ifs6_in_dstunreach; 200 /* ipv6IfIcmpInAdminProhibs, # of input administratively prohibited errs */ 201 u_quad_t ifs6_in_adminprohib; 202 /* ipv6IfIcmpInTimeExcds, # of input time exceeded errors */ 203 u_quad_t ifs6_in_timeexceed; 204 /* ipv6IfIcmpInParmProblems, # of input parameter problem errors */ 205 u_quad_t ifs6_in_paramprob; 206 /* ipv6IfIcmpInPktTooBigs, # of input packet too big errors */ 207 u_quad_t ifs6_in_pkttoobig; 208 /* ipv6IfIcmpInEchos, # of input echo requests */ 209 u_quad_t ifs6_in_echo; 210 /* ipv6IfIcmpInEchoReplies, # of input echo replies */ 211 u_quad_t ifs6_in_echoreply; 212 /* ipv6IfIcmpInRouterSolicits, # of input router solicitations */ 213 u_quad_t ifs6_in_routersolicit; 214 /* ipv6IfIcmpInRouterAdvertisements, # of input router advertisements */ 215 u_quad_t ifs6_in_routeradvert; 216 /* ipv6IfIcmpInNeighborSolicits, # of input neighbor solicitations */ 217 u_quad_t ifs6_in_neighborsolicit; 218 /* ipv6IfIcmpInNeighborAdvertisements, # of input neighbor advertisements */ 219 u_quad_t ifs6_in_neighboradvert; 220 /* ipv6IfIcmpInRedirects, # of input redirects */ 221 u_quad_t ifs6_in_redirect; 222 /* ipv6IfIcmpInGroupMembQueries, # of input MLD queries */ 223 u_quad_t ifs6_in_mldquery; 224 /* ipv6IfIcmpInGroupMembResponses, # of input MLD reports */ 225 u_quad_t ifs6_in_mldreport; 226 /* ipv6IfIcmpInGroupMembReductions, # of input MLD done */ 227 u_quad_t ifs6_in_mlddone; 228 229 /* 230 * Output statistics. We should solve unresolved routing problem... 231 */ 232 /* ipv6IfIcmpOutMsgs, total # of output messages */ 233 u_quad_t ifs6_out_msg; 234 /* ipv6IfIcmpOutErrors, # of output error messages */ 235 u_quad_t ifs6_out_error; 236 /* ipv6IfIcmpOutDestUnreachs, # of output dest unreach errors */ 237 u_quad_t ifs6_out_dstunreach; 238 /* ipv6IfIcmpOutAdminProhibs, # of output administratively prohibited errs */ 239 u_quad_t ifs6_out_adminprohib; 240 /* ipv6IfIcmpOutTimeExcds, # of output time exceeded errors */ 241 u_quad_t ifs6_out_timeexceed; 242 /* ipv6IfIcmpOutParmProblems, # of output parameter problem errors */ 243 u_quad_t ifs6_out_paramprob; 244 /* ipv6IfIcmpOutPktTooBigs, # of output packet too big errors */ 245 u_quad_t ifs6_out_pkttoobig; 246 /* ipv6IfIcmpOutEchos, # of output echo requests */ 247 u_quad_t ifs6_out_echo; 248 /* ipv6IfIcmpOutEchoReplies, # of output echo replies */ 249 u_quad_t ifs6_out_echoreply; 250 /* ipv6IfIcmpOutRouterSolicits, # of output router solicitations */ 251 u_quad_t ifs6_out_routersolicit; 252 /* ipv6IfIcmpOutRouterAdvertisements, # of output router advertisements */ 253 u_quad_t ifs6_out_routeradvert; 254 /* ipv6IfIcmpOutNeighborSolicits, # of output neighbor solicitations */ 255 u_quad_t ifs6_out_neighborsolicit; 256 /* ipv6IfIcmpOutNeighborAdvertisements, # of output neighbor advertisements */ 257 u_quad_t ifs6_out_neighboradvert; 258 /* ipv6IfIcmpOutRedirects, # of output redirects */ 259 u_quad_t ifs6_out_redirect; 260 /* ipv6IfIcmpOutGroupMembQueries, # of output MLD queries */ 261 u_quad_t ifs6_out_mldquery; 262 /* ipv6IfIcmpOutGroupMembResponses, # of output MLD reports */ 263 u_quad_t ifs6_out_mldreport; 264 /* ipv6IfIcmpOutGroupMembReductions, # of output MLD done */ 265 u_quad_t ifs6_out_mlddone; 266 }; 267 268 struct in6_ifreq { 269 char ifr_name[IFNAMSIZ]; 270 union { 271 struct sockaddr_in6 ifru_addr; 272 struct sockaddr_in6 ifru_dstaddr; 273 short ifru_flags; 274 int ifru_flags6; 275 int ifru_metric; 276 caddr_t ifru_data; 277 struct in6_addrlifetime ifru_lifetime; 278 struct in6_ifstat ifru_stat; 279 struct icmp6_ifstat ifru_icmp6stat; 280 u_int32_t ifru_scope_id[16]; 281 } ifr_ifru; 282 }; 283 284 struct in6_aliasreq { 285 char ifra_name[IFNAMSIZ]; 286 struct sockaddr_in6 ifra_addr; 287 struct sockaddr_in6 ifra_dstaddr; 288 struct sockaddr_in6 ifra_prefixmask; 289 int ifra_flags; 290 struct in6_addrlifetime ifra_lifetime; 291 }; 292 293 /* prefix type macro */ 294 #define IN6_PREFIX_ND 1 295 #define IN6_PREFIX_RR 2 296 297 /* 298 * prefix related flags passed between kernel(NDP related part) and 299 * user land command(ifconfig) and daemon(rtadvd). 300 */ 301 struct in6_prflags { 302 struct prf_ra { 303 u_char onlink : 1; 304 u_char autonomous : 1; 305 u_char reserved : 6; 306 } prf_ra; 307 u_char prf_reserved1; 308 u_short prf_reserved2; 309 /* want to put this on 4byte offset */ 310 struct prf_rr { 311 u_char decrvalid : 1; 312 u_char decrprefd : 1; 313 u_char reserved : 6; 314 } prf_rr; 315 u_char prf_reserved3; 316 u_short prf_reserved4; 317 }; 318 319 struct in6_prefixreq { 320 char ipr_name[IFNAMSIZ]; 321 u_char ipr_origin; 322 u_char ipr_plen; 323 u_int32_t ipr_vltime; 324 u_int32_t ipr_pltime; 325 struct in6_prflags ipr_flags; 326 struct sockaddr_in6 ipr_prefix; 327 }; 328 329 #define PR_ORIG_RA 0 330 #define PR_ORIG_RR 1 331 #define PR_ORIG_STATIC 2 332 #define PR_ORIG_KERNEL 3 333 334 #define ipr_raf_onlink ipr_flags.prf_ra.onlink 335 #define ipr_raf_auto ipr_flags.prf_ra.autonomous 336 337 #define ipr_statef_onlink ipr_flags.prf_state.onlink 338 339 #define ipr_rrf_decrvalid ipr_flags.prf_rr.decrvalid 340 #define ipr_rrf_decrprefd ipr_flags.prf_rr.decrprefd 341 342 struct in6_rrenumreq { 343 char irr_name[IFNAMSIZ]; 344 u_char irr_origin; 345 u_char irr_m_len; /* match len for matchprefix */ 346 u_char irr_m_minlen; /* minlen for matching prefix */ 347 u_char irr_m_maxlen; /* maxlen for matching prefix */ 348 u_char irr_u_uselen; /* uselen for adding prefix */ 349 u_char irr_u_keeplen; /* keeplen from matching prefix */ 350 struct irr_raflagmask { 351 u_char onlink : 1; 352 u_char autonomous : 1; 353 u_char reserved : 6; 354 } irr_raflagmask; 355 u_int32_t irr_vltime; 356 u_int32_t irr_pltime; 357 struct in6_prflags irr_flags; 358 struct sockaddr_in6 irr_matchprefix; 359 struct sockaddr_in6 irr_useprefix; 360 }; 361 362 #define irr_raf_mask_onlink irr_raflagmask.onlink 363 #define irr_raf_mask_auto irr_raflagmask.autonomous 364 #define irr_raf_mask_reserved irr_raflagmask.reserved 365 366 #define irr_raf_onlink irr_flags.prf_ra.onlink 367 #define irr_raf_auto irr_flags.prf_ra.autonomous 368 369 #define irr_statef_onlink irr_flags.prf_state.onlink 370 371 #define irr_rrf irr_flags.prf_rr 372 #define irr_rrf_decrvalid irr_flags.prf_rr.decrvalid 373 #define irr_rrf_decrprefd irr_flags.prf_rr.decrprefd 374 375 /* 376 * Given a pointer to an in6_ifaddr (ifaddr), 377 * return a pointer to the addr as a sockaddr_in6 378 */ 379 #define IA6_IN6(ia) (&((ia)->ia_addr.sin6_addr)) 380 #define IA6_DSTIN6(ia) (&((ia)->ia_dstaddr.sin6_addr)) 381 #define IA6_MASKIN6(ia) (&((ia)->ia_prefixmask.sin6_addr)) 382 #define IA6_SIN6(ia) (&((ia)->ia_addr)) 383 #define IA6_DSTSIN6(ia) (&((ia)->ia_dstaddr)) 384 #define IFA_IN6(x) (&((struct sockaddr_in6 *)((x)->ifa_addr))->sin6_addr) 385 #define IFA_DSTIN6(x) (&((struct sockaddr_in6 *)((x)->ifa_dstaddr))->sin6_addr) 386 387 #define IFPR_IN6(x) (&((struct sockaddr_in6 *)((x)->ifpr_prefix))->sin6_addr) 388 389 #ifdef _KERNEL 390 #define IN6_ARE_MASKED_ADDR_EQUAL(d, a, m) ( \ 391 (((d)->s6_addr32[0] ^ (a)->s6_addr32[0]) & (m)->s6_addr32[0]) == 0 && \ 392 (((d)->s6_addr32[1] ^ (a)->s6_addr32[1]) & (m)->s6_addr32[1]) == 0 && \ 393 (((d)->s6_addr32[2] ^ (a)->s6_addr32[2]) & (m)->s6_addr32[2]) == 0 && \ 394 (((d)->s6_addr32[3] ^ (a)->s6_addr32[3]) & (m)->s6_addr32[3]) == 0 ) 395 #endif 396 397 #define SIOCSIFADDR_IN6 _IOW('i', 12, struct in6_ifreq) 398 #define SIOCGIFADDR_IN6 _IOWR('i', 33, struct in6_ifreq) 399 400 #ifdef _KERNEL 401 /* 402 * SIOCSxxx ioctls should be unused (see comments in in6.c), but 403 * we do not shift numbers for binary compatibility. 404 */ 405 #define SIOCSIFDSTADDR_IN6 _IOW('i', 14, struct in6_ifreq) 406 #define SIOCSIFNETMASK_IN6 _IOW('i', 22, struct in6_ifreq) 407 #endif 408 409 #define SIOCGIFDSTADDR_IN6 _IOWR('i', 34, struct in6_ifreq) 410 #define SIOCGIFNETMASK_IN6 _IOWR('i', 37, struct in6_ifreq) 411 412 #define SIOCDIFADDR_IN6 _IOW('i', 25, struct in6_ifreq) 413 #define SIOCAIFADDR_IN6 _IOW('i', 26, struct in6_aliasreq) 414 415 #define SIOCSIFPHYADDR_IN6 _IOW('i', 70, struct in6_aliasreq) 416 #define SIOCGIFPSRCADDR_IN6 _IOWR('i', 71, struct in6_ifreq) 417 #define SIOCGIFPDSTADDR_IN6 _IOWR('i', 72, struct in6_ifreq) 418 419 #define SIOCGIFAFLAG_IN6 _IOWR('i', 73, struct in6_ifreq) 420 421 #define SIOCGDRLST_IN6 _IOWR('i', 74, struct in6_drlist) 422 #define SIOCGPRLST_IN6 _IOWR('i', 75, struct in6_prlist) 423 #ifdef _KERNEL 424 #define OSIOCGIFINFO_IN6 _IOWR('i', 76, struct in6_ondireq) 425 #endif 426 #define SIOCGIFINFO_IN6 _IOWR('i', 108, struct in6_ndireq) 427 #define SIOCSNDFLUSH_IN6 _IOWR('i', 77, struct in6_ifreq) 428 #define SIOCGNBRINFO_IN6 _IOWR('i', 78, struct in6_nbrinfo) 429 #define SIOCSPFXFLUSH_IN6 _IOWR('i', 79, struct in6_ifreq) 430 #define SIOCSRTRFLUSH_IN6 _IOWR('i', 80, struct in6_ifreq) 431 432 #define SIOCGIFALIFETIME_IN6 _IOWR('i', 81, struct in6_ifreq) 433 #define SIOCSIFALIFETIME_IN6 _IOWR('i', 82, struct in6_ifreq) 434 #define SIOCGIFSTAT_IN6 _IOWR('i', 83, struct in6_ifreq) 435 #define SIOCGIFSTAT_ICMP6 _IOWR('i', 84, struct in6_ifreq) 436 437 #define SIOCSDEFIFACE_IN6 _IOWR('i', 85, struct in6_ndifreq) 438 #define SIOCGDEFIFACE_IN6 _IOWR('i', 86, struct in6_ndifreq) 439 440 #define SIOCSIFINFO_FLAGS _IOWR('i', 87, struct in6_ndireq) /* XXX */ 441 442 #define SIOCSSCOPE6 _IOW('i', 88, struct in6_ifreq) 443 #define SIOCGSCOPE6 _IOWR('i', 89, struct in6_ifreq) 444 #define SIOCGSCOPE6DEF _IOWR('i', 90, struct in6_ifreq) 445 446 #define SIOCSIFPREFIX_IN6 _IOW('i', 100, struct in6_prefixreq) /* set */ 447 #define SIOCGIFPREFIX_IN6 _IOWR('i', 101, struct in6_prefixreq) /* get */ 448 #define SIOCDIFPREFIX_IN6 _IOW('i', 102, struct in6_prefixreq) /* del */ 449 #define SIOCAIFPREFIX_IN6 _IOW('i', 103, struct in6_rrenumreq) /* add */ 450 #define SIOCCIFPREFIX_IN6 _IOW('i', 104, \ 451 struct in6_rrenumreq) /* change */ 452 #define SIOCSGIFPREFIX_IN6 _IOW('i', 105, \ 453 struct in6_rrenumreq) /* set global */ 454 455 #define SIOCGETSGCNT_IN6 _IOWR('u', 106, \ 456 struct sioc_sg_req6) /* get s,g pkt cnt */ 457 #define SIOCGETMIFCNT_IN6 _IOWR('u', 107, \ 458 struct sioc_mif_req6) /* get pkt cnt per if */ 459 460 #define SIOCAADDRCTL_POLICY _IOW('u', 108, struct in6_addrpolicy) 461 #define SIOCDADDRCTL_POLICY _IOW('u', 109, struct in6_addrpolicy) 462 463 #define IN6_IFF_ANYCAST 0x01 /* anycast address */ 464 #define IN6_IFF_TENTATIVE 0x02 /* tentative address */ 465 #define IN6_IFF_DUPLICATED 0x04 /* DAD detected duplicate */ 466 #define IN6_IFF_DETACHED 0x08 /* may be detached from the link */ 467 #define IN6_IFF_DEPRECATED 0x10 /* deprecated address */ 468 #define IN6_IFF_NODAD 0x20 /* don't perform DAD on this address 469 * (used only at first SIOC* call) 470 */ 471 #define IN6_IFF_AUTOCONF 0x40 /* autoconfigurable address. */ 472 #define IN6_IFF_TEMPORARY 0x80 /* temporary (anonymous) address. */ 473 #define IN6_IFF_NOPFX 0x8000 /* skip kernel prefix management. 474 * XXX: this should be temporary. 475 */ 476 477 /* do not input/output */ 478 #define IN6_IFF_NOTREADY (IN6_IFF_TENTATIVE|IN6_IFF_DUPLICATED) 479 480 #ifdef _KERNEL 481 #define IN6_ARE_SCOPE_CMP(a,b) ((a)-(b)) 482 #define IN6_ARE_SCOPE_EQUAL(a,b) ((a)==(b)) 483 #endif 484 485 #ifdef _KERNEL 486 extern struct in6_ifaddr *in6_ifaddr; 487 488 extern struct icmp6stat icmp6stat; 489 #define in6_ifstat_inc(ifp, tag) \ 490 do { \ 491 if (ifp) \ 492 ((struct in6_ifextra *)((ifp)->if_afdata[AF_INET6]))->in6_ifstat->tag++; \ 493 } while (0) 494 495 extern struct ifqueue ip6intrq; /* IP6 packet input queue */ 496 extern struct in6_addr zeroin6_addr; 497 extern u_char inet6ctlerrmap[]; 498 extern unsigned long in6_maxmtu; 499 #ifdef MALLOC_DECLARE 500 MALLOC_DECLARE(M_IPMADDR); 501 #endif 502 503 /* 504 * Macro for finding the internet address structure (in6_ifaddr) corresponding 505 * to a given interface (ifnet structure). 506 */ 507 508 #define IFP_TO_IA6(ifp, ia) \ 509 /* struct ifnet *ifp; */ \ 510 /* struct in6_ifaddr *ia; */ \ 511 do { \ 512 struct ifaddr_container *ifac; \ 513 TAILQ_FOREACH(ifac, &(ifp)->if_addrheads[mycpuid], ifa_list) { \ 514 if (!ifac->ifa->ifa_addr) \ 515 continue; \ 516 if (ifac->ifa->ifa_addr->sa_family == AF_INET6) \ 517 break; \ 518 } \ 519 (ia) = ifac == NULL ? NULL : (struct in6_ifaddr *)(ifac->ifa); \ 520 } while (0) 521 522 #endif /* _KERNEL */ 523 524 /* 525 * Multi-cast membership entry. One for each group/ifp that a PCB 526 * belongs to. 527 */ 528 struct in6_multi_mship { 529 struct in6_multi *i6mm_maddr; /* Multicast address pointer */ 530 LIST_ENTRY(in6_multi_mship) i6mm_chain; /* multicast options chain */ 531 }; 532 533 struct in6_multi { 534 LIST_ENTRY(in6_multi) in6m_entry; /* list glue */ 535 struct in6_addr in6m_addr; /* IP6 multicast address */ 536 struct ifnet *in6m_ifp; /* back pointer to ifnet */ 537 struct ifmultiaddr *in6m_ifma; /* back pointer to ifmultiaddr */ 538 u_int in6m_refcount; /* # membership claims by sockets */ 539 u_int in6m_state; /* state of the membership */ 540 u_int in6m_timer; /* MLD6 listener report timer */ 541 }; 542 543 #ifdef _KERNEL 544 extern LIST_HEAD(in6_multihead, in6_multi) in6_multihead; 545 546 /* 547 * Structure used by macros below to remember position when stepping through 548 * all of the in6_multi records. 549 */ 550 struct in6_multistep { 551 struct in6_ifaddr *i_ia; 552 struct in6_multi *i_in6m; 553 }; 554 555 /* 556 * Macros for looking up the in6_multi record for a given IP6 multicast 557 * address on a given interface. If no matching record is found, "in6m" 558 * returns NLL. 559 */ 560 561 #define IN6_LOOKUP_MULTI(addr, ifp, in6m) \ 562 /* struct in6_addr addr; */ \ 563 /* struct ifnet *ifp; */ \ 564 /* struct in6_multi *in6m; */ \ 565 do { \ 566 struct ifmultiaddr *ifma; \ 567 for (ifma = (ifp)->if_multiaddrs.lh_first; ifma; \ 568 ifma = ifma->ifma_link.le_next) { \ 569 if (ifma->ifma_addr->sa_family == AF_INET6 \ 570 && IN6_ARE_ADDR_EQUAL(&((struct sockaddr_in6 *)ifma->ifma_addr)->sin6_addr, \ 571 &(addr))) \ 572 break; \ 573 } \ 574 (in6m) = (struct in6_multi *)(ifma ? ifma->ifma_protospec : 0); \ 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; */ \ 587 do { \ 588 if (((in6m) = (step).i_in6m) != NULL) \ 589 (step).i_in6m = (step).i_in6m->in6m_entry.le_next; \ 590 } while(0) 591 592 #define IN6_FIRST_MULTI(step, in6m) \ 593 /* struct in6_multistep step; */ \ 594 /* struct in6_multi *in6m */ \ 595 do { \ 596 (step).i_in6m = in6_multihead.lh_first; \ 597 IN6_NEXT_MULTI((step), (in6m)); \ 598 } while(0) 599 600 struct in6_multi *in6_addmulti (struct in6_addr *, struct ifnet *, 601 int *); 602 void in6_delmulti (struct in6_multi *); 603 struct in6_multi_mship *in6_joingroup(struct ifnet *, struct in6_addr *, int *); 604 int in6_leavegroup(struct in6_multi_mship *); 605 606 extern int in6_ifindex2scopeid (int); 607 extern int in6_mask2len (struct in6_addr *, u_char *); 608 extern void in6_len2mask (struct in6_addr *, int); 609 int in6_control (struct socket *, 610 u_long, caddr_t, struct ifnet *, struct thread *); 611 int in6_update_ifa (struct ifnet *, struct in6_aliasreq *, 612 struct in6_ifaddr *); 613 void in6_purgeaddr (struct ifaddr *); 614 int in6if_do_dad (struct ifnet *); 615 void in6_purgeif (struct ifnet *); 616 void in6_savemkludge (struct in6_ifaddr *); 617 void *in6_domifattach (struct ifnet *); 618 void in6_domifdetach (struct ifnet *, void *); 619 void in6_setmaxmtu (void); 620 void in6_restoremkludge (struct in6_ifaddr *, struct ifnet *); 621 void in6_purgemkludge (struct ifnet *); 622 struct in6_ifaddr *in6ifa_ifpforlinklocal (struct ifnet *, int); 623 struct in6_ifaddr *in6ifa_ifpwithaddr (struct ifnet *, 624 struct in6_addr *); 625 struct in6_ifaddr *in6ifa_ifplocaladdr(const struct ifnet *, 626 const struct in6_addr *); 627 char *ip6_sprintf (const struct in6_addr *); 628 int in6_addr2scopeid (struct ifnet *, struct in6_addr *); 629 int in6_matchlen (struct in6_addr *, struct in6_addr *); 630 int in6_are_prefix_equal (struct in6_addr *p1, struct in6_addr *p2, 631 int len); 632 void in6_prefixlen2mask (struct in6_addr *maskp, int len); 633 int in6_prefix_ioctl (struct socket *so, u_long cmd, caddr_t data, 634 struct ifnet *ifp); 635 int in6_prefix_add_ifid (int iilen, struct in6_ifaddr *ia); 636 void in6_prefix_remove_ifid (int iilen, struct in6_ifaddr *ia); 637 void in6_purgeprefix (struct ifnet *); 638 void in6_ifremloop(struct ifaddr *); 639 void in6_ifaddloop(struct ifaddr *); 640 641 int in6_is_addr_deprecated (struct sockaddr_in6 *); 642 struct inpcb; 643 int in6_embedscope (struct in6_addr *, const struct sockaddr_in6 *, 644 struct inpcb *, struct ifnet **); 645 int in6_recoverscope (struct sockaddr_in6 *, const struct in6_addr *, 646 struct ifnet *); 647 void in6_clearscope (struct in6_addr *); 648 int in6_src_ioctl (u_long, caddr_t); 649 #endif /* _KERNEL */ 650 651 #endif /* _NETINET6_IN6_VAR_H_ */ 652