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 nd_prefix *ia6_ndpr; /* back pointer to the ND prefix 134 * (for autoconfigured addresses only) 135 */ 136 }; 137 138 /* control structure to manage address selection policy */ 139 struct in6_addrpolicy { 140 struct sockaddr_in6 addr; /* prefix address */ 141 struct sockaddr_in6 addrmask; /* prefix mask */ 142 int preced; /* precedence */ 143 int label; /* matching label */ 144 u_quad_t use; /* statistics */ 145 }; 146 147 /* 148 * IPv6 interface statistics, as defined in RFC2465 Ipv6IfStatsEntry (p12). 149 */ 150 struct in6_ifstat { 151 u_quad_t ifs6_in_receive; /* # of total input datagram */ 152 u_quad_t ifs6_in_hdrerr; /* # of datagrams with invalid hdr */ 153 u_quad_t ifs6_in_toobig; /* # of datagrams exceeded MTU */ 154 u_quad_t ifs6_in_noroute; /* # of datagrams with no route */ 155 u_quad_t ifs6_in_addrerr; /* # of datagrams with invalid dst */ 156 u_quad_t ifs6_in_protounknown; /* # of datagrams with unknown proto */ 157 /* NOTE: increment on final dst if */ 158 u_quad_t ifs6_in_truncated; /* # of truncated datagrams */ 159 u_quad_t ifs6_in_discard; /* # of discarded datagrams */ 160 /* NOTE: fragment timeout is not here */ 161 u_quad_t ifs6_in_deliver; /* # of datagrams delivered to ULP */ 162 /* NOTE: increment on final dst if */ 163 u_quad_t ifs6_out_forward; /* # of datagrams forwarded */ 164 /* NOTE: increment on outgoing if */ 165 u_quad_t ifs6_out_request; /* # of outgoing datagrams from ULP */ 166 /* NOTE: does not include forwrads */ 167 u_quad_t ifs6_out_discard; /* # of discarded datagrams */ 168 u_quad_t ifs6_out_fragok; /* # of datagrams fragmented */ 169 u_quad_t ifs6_out_fragfail; /* # of datagrams failed on fragment */ 170 u_quad_t ifs6_out_fragcreat; /* # of fragment datagrams */ 171 /* NOTE: this is # after fragment */ 172 u_quad_t ifs6_reass_reqd; /* # of incoming fragmented packets */ 173 /* NOTE: increment on final dst if */ 174 u_quad_t ifs6_reass_ok; /* # of reassembled packets */ 175 /* NOTE: this is # after reass */ 176 /* NOTE: increment on final dst if */ 177 u_quad_t ifs6_reass_fail; /* # of reass failures */ 178 /* NOTE: may not be packet count */ 179 /* NOTE: increment on final dst if */ 180 u_quad_t ifs6_in_mcast; /* # of inbound multicast datagrams */ 181 u_quad_t ifs6_out_mcast; /* # of outbound multicast datagrams */ 182 }; 183 184 /* 185 * ICMPv6 interface statistics, as defined in RFC2466 Ipv6IfIcmpEntry. 186 * XXX: I'm not sure if this file is the right place for this structure... 187 */ 188 struct icmp6_ifstat { 189 /* 190 * Input statistics 191 */ 192 /* ipv6IfIcmpInMsgs, total # of input messages */ 193 u_quad_t ifs6_in_msg; 194 /* ipv6IfIcmpInErrors, # of input error messages */ 195 u_quad_t ifs6_in_error; 196 /* ipv6IfIcmpInDestUnreachs, # of input dest unreach errors */ 197 u_quad_t ifs6_in_dstunreach; 198 /* ipv6IfIcmpInAdminProhibs, # of input administratively prohibited errs */ 199 u_quad_t ifs6_in_adminprohib; 200 /* ipv6IfIcmpInTimeExcds, # of input time exceeded errors */ 201 u_quad_t ifs6_in_timeexceed; 202 /* ipv6IfIcmpInParmProblems, # of input parameter problem errors */ 203 u_quad_t ifs6_in_paramprob; 204 /* ipv6IfIcmpInPktTooBigs, # of input packet too big errors */ 205 u_quad_t ifs6_in_pkttoobig; 206 /* ipv6IfIcmpInEchos, # of input echo requests */ 207 u_quad_t ifs6_in_echo; 208 /* ipv6IfIcmpInEchoReplies, # of input echo replies */ 209 u_quad_t ifs6_in_echoreply; 210 /* ipv6IfIcmpInRouterSolicits, # of input router solicitations */ 211 u_quad_t ifs6_in_routersolicit; 212 /* ipv6IfIcmpInRouterAdvertisements, # of input router advertisements */ 213 u_quad_t ifs6_in_routeradvert; 214 /* ipv6IfIcmpInNeighborSolicits, # of input neighbor solicitations */ 215 u_quad_t ifs6_in_neighborsolicit; 216 /* ipv6IfIcmpInNeighborAdvertisements, # of input neighbor advertisements */ 217 u_quad_t ifs6_in_neighboradvert; 218 /* ipv6IfIcmpInRedirects, # of input redirects */ 219 u_quad_t ifs6_in_redirect; 220 /* ipv6IfIcmpInGroupMembQueries, # of input MLD queries */ 221 u_quad_t ifs6_in_mldquery; 222 /* ipv6IfIcmpInGroupMembResponses, # of input MLD reports */ 223 u_quad_t ifs6_in_mldreport; 224 /* ipv6IfIcmpInGroupMembReductions, # of input MLD done */ 225 u_quad_t ifs6_in_mlddone; 226 227 /* 228 * Output statistics. We should solve unresolved routing problem... 229 */ 230 /* ipv6IfIcmpOutMsgs, total # of output messages */ 231 u_quad_t ifs6_out_msg; 232 /* ipv6IfIcmpOutErrors, # of output error messages */ 233 u_quad_t ifs6_out_error; 234 /* ipv6IfIcmpOutDestUnreachs, # of output dest unreach errors */ 235 u_quad_t ifs6_out_dstunreach; 236 /* ipv6IfIcmpOutAdminProhibs, # of output administratively prohibited errs */ 237 u_quad_t ifs6_out_adminprohib; 238 /* ipv6IfIcmpOutTimeExcds, # of output time exceeded errors */ 239 u_quad_t ifs6_out_timeexceed; 240 /* ipv6IfIcmpOutParmProblems, # of output parameter problem errors */ 241 u_quad_t ifs6_out_paramprob; 242 /* ipv6IfIcmpOutPktTooBigs, # of output packet too big errors */ 243 u_quad_t ifs6_out_pkttoobig; 244 /* ipv6IfIcmpOutEchos, # of output echo requests */ 245 u_quad_t ifs6_out_echo; 246 /* ipv6IfIcmpOutEchoReplies, # of output echo replies */ 247 u_quad_t ifs6_out_echoreply; 248 /* ipv6IfIcmpOutRouterSolicits, # of output router solicitations */ 249 u_quad_t ifs6_out_routersolicit; 250 /* ipv6IfIcmpOutRouterAdvertisements, # of output router advertisements */ 251 u_quad_t ifs6_out_routeradvert; 252 /* ipv6IfIcmpOutNeighborSolicits, # of output neighbor solicitations */ 253 u_quad_t ifs6_out_neighborsolicit; 254 /* ipv6IfIcmpOutNeighborAdvertisements, # of output neighbor advertisements */ 255 u_quad_t ifs6_out_neighboradvert; 256 /* ipv6IfIcmpOutRedirects, # of output redirects */ 257 u_quad_t ifs6_out_redirect; 258 /* ipv6IfIcmpOutGroupMembQueries, # of output MLD queries */ 259 u_quad_t ifs6_out_mldquery; 260 /* ipv6IfIcmpOutGroupMembResponses, # of output MLD reports */ 261 u_quad_t ifs6_out_mldreport; 262 /* ipv6IfIcmpOutGroupMembReductions, # of output MLD done */ 263 u_quad_t ifs6_out_mlddone; 264 }; 265 266 struct in6_ifreq { 267 char ifr_name[IFNAMSIZ]; 268 union { 269 struct sockaddr_in6 ifru_addr; 270 struct sockaddr_in6 ifru_dstaddr; 271 short ifru_flags; 272 int ifru_flags6; 273 int ifru_metric; 274 caddr_t ifru_data; 275 struct in6_addrlifetime ifru_lifetime; 276 struct in6_ifstat ifru_stat; 277 struct icmp6_ifstat ifru_icmp6stat; 278 u_int32_t ifru_scope_id[16]; 279 } ifr_ifru; 280 }; 281 282 struct in6_aliasreq { 283 char ifra_name[IFNAMSIZ]; 284 struct sockaddr_in6 ifra_addr; 285 struct sockaddr_in6 ifra_dstaddr; 286 struct sockaddr_in6 ifra_prefixmask; 287 int ifra_flags; 288 struct in6_addrlifetime ifra_lifetime; 289 }; 290 291 /* prefix type macro */ 292 #define IN6_PREFIX_ND 1 293 #define IN6_PREFIX_RR 2 294 295 /* 296 * prefix related flags passed between kernel(NDP related part) and 297 * user land command(ifconfig) and daemon(rtadvd). 298 */ 299 struct in6_prflags { 300 struct prf_ra { 301 u_char onlink : 1; 302 u_char autonomous : 1; 303 u_char reserved : 6; 304 } prf_ra; 305 u_char prf_reserved1; 306 u_short prf_reserved2; 307 /* want to put this on 4byte offset */ 308 struct prf_rr { 309 u_char decrvalid : 1; 310 u_char decrprefd : 1; 311 u_char reserved : 6; 312 } prf_rr; 313 u_char prf_reserved3; 314 u_short prf_reserved4; 315 }; 316 317 struct in6_prefixreq { 318 char ipr_name[IFNAMSIZ]; 319 u_char ipr_origin; 320 u_char ipr_plen; 321 u_int32_t ipr_vltime; 322 u_int32_t ipr_pltime; 323 struct in6_prflags ipr_flags; 324 struct sockaddr_in6 ipr_prefix; 325 }; 326 327 #define PR_ORIG_RA 0 328 #define PR_ORIG_RR 1 329 #define PR_ORIG_STATIC 2 330 #define PR_ORIG_KERNEL 3 331 332 #define ipr_raf_onlink ipr_flags.prf_ra.onlink 333 #define ipr_raf_auto ipr_flags.prf_ra.autonomous 334 335 #define ipr_statef_onlink ipr_flags.prf_state.onlink 336 337 #define ipr_rrf_decrvalid ipr_flags.prf_rr.decrvalid 338 #define ipr_rrf_decrprefd ipr_flags.prf_rr.decrprefd 339 340 struct in6_rrenumreq { 341 char irr_name[IFNAMSIZ]; 342 u_char irr_origin; 343 u_char irr_m_len; /* match len for matchprefix */ 344 u_char irr_m_minlen; /* minlen for matching prefix */ 345 u_char irr_m_maxlen; /* maxlen for matching prefix */ 346 u_char irr_u_uselen; /* uselen for adding prefix */ 347 u_char irr_u_keeplen; /* keeplen from matching prefix */ 348 struct irr_raflagmask { 349 u_char onlink : 1; 350 u_char autonomous : 1; 351 u_char reserved : 6; 352 } irr_raflagmask; 353 u_int32_t irr_vltime; 354 u_int32_t irr_pltime; 355 struct in6_prflags irr_flags; 356 struct sockaddr_in6 irr_matchprefix; 357 struct sockaddr_in6 irr_useprefix; 358 }; 359 360 #define irr_raf_mask_onlink irr_raflagmask.onlink 361 #define irr_raf_mask_auto irr_raflagmask.autonomous 362 #define irr_raf_mask_reserved irr_raflagmask.reserved 363 364 #define irr_raf_onlink irr_flags.prf_ra.onlink 365 #define irr_raf_auto irr_flags.prf_ra.autonomous 366 367 #define irr_statef_onlink irr_flags.prf_state.onlink 368 369 #define irr_rrf irr_flags.prf_rr 370 #define irr_rrf_decrvalid irr_flags.prf_rr.decrvalid 371 #define irr_rrf_decrprefd irr_flags.prf_rr.decrprefd 372 373 /* 374 * Given a pointer to an in6_ifaddr (ifaddr), 375 * return a pointer to the addr as a sockaddr_in6 376 */ 377 #define IA6_IN6(ia) (&((ia)->ia_addr.sin6_addr)) 378 #define IA6_DSTIN6(ia) (&((ia)->ia_dstaddr.sin6_addr)) 379 #define IA6_MASKIN6(ia) (&((ia)->ia_prefixmask.sin6_addr)) 380 #define IA6_SIN6(ia) (&((ia)->ia_addr)) 381 #define IA6_DSTSIN6(ia) (&((ia)->ia_dstaddr)) 382 #define IFA_IN6(x) (&((struct sockaddr_in6 *)((x)->ifa_addr))->sin6_addr) 383 #define IFA_DSTIN6(x) (&((struct sockaddr_in6 *)((x)->ifa_dstaddr))->sin6_addr) 384 385 #define IFPR_IN6(x) (&((struct sockaddr_in6 *)((x)->ifpr_prefix))->sin6_addr) 386 387 #ifdef _KERNEL 388 #define IN6_ARE_MASKED_ADDR_EQUAL(d, a, m) ( \ 389 (((d)->s6_addr32[0] ^ (a)->s6_addr32[0]) & (m)->s6_addr32[0]) == 0 && \ 390 (((d)->s6_addr32[1] ^ (a)->s6_addr32[1]) & (m)->s6_addr32[1]) == 0 && \ 391 (((d)->s6_addr32[2] ^ (a)->s6_addr32[2]) & (m)->s6_addr32[2]) == 0 && \ 392 (((d)->s6_addr32[3] ^ (a)->s6_addr32[3]) & (m)->s6_addr32[3]) == 0 ) 393 #endif 394 395 #define SIOCSIFADDR_IN6 _IOW('i', 12, struct in6_ifreq) 396 #define SIOCGIFADDR_IN6 _IOWR('i', 33, struct in6_ifreq) 397 398 #ifdef _KERNEL 399 /* 400 * SIOCSxxx ioctls should be unused (see comments in in6.c), but 401 * we do not shift numbers for binary compatibility. 402 */ 403 #define SIOCSIFDSTADDR_IN6 _IOW('i', 14, struct in6_ifreq) 404 #define SIOCSIFNETMASK_IN6 _IOW('i', 22, struct in6_ifreq) 405 #endif 406 407 #define SIOCGIFDSTADDR_IN6 _IOWR('i', 34, struct in6_ifreq) 408 #define SIOCGIFNETMASK_IN6 _IOWR('i', 37, struct in6_ifreq) 409 410 #define SIOCDIFADDR_IN6 _IOW('i', 25, struct in6_ifreq) 411 #define SIOCAIFADDR_IN6 _IOW('i', 26, struct in6_aliasreq) 412 413 #define SIOCSIFPHYADDR_IN6 _IOW('i', 70, struct in6_aliasreq) 414 #define SIOCGIFPSRCADDR_IN6 _IOWR('i', 71, struct in6_ifreq) 415 #define SIOCGIFPDSTADDR_IN6 _IOWR('i', 72, struct in6_ifreq) 416 417 #define SIOCGIFAFLAG_IN6 _IOWR('i', 73, struct in6_ifreq) 418 419 #define SIOCGDRLST_IN6 _IOWR('i', 74, struct in6_drlist) 420 #define SIOCGPRLST_IN6 _IOWR('i', 75, struct in6_prlist) 421 #ifdef _KERNEL 422 #define OSIOCGIFINFO_IN6 _IOWR('i', 76, struct in6_ondireq) 423 #endif 424 #define SIOCGIFINFO_IN6 _IOWR('i', 108, struct in6_ndireq) 425 #define SIOCSNDFLUSH_IN6 _IOWR('i', 77, struct in6_ifreq) 426 #define SIOCGNBRINFO_IN6 _IOWR('i', 78, struct in6_nbrinfo) 427 #define SIOCSPFXFLUSH_IN6 _IOWR('i', 79, struct in6_ifreq) 428 #define SIOCSRTRFLUSH_IN6 _IOWR('i', 80, struct in6_ifreq) 429 430 #define SIOCGIFALIFETIME_IN6 _IOWR('i', 81, struct in6_ifreq) 431 #define SIOCSIFALIFETIME_IN6 _IOWR('i', 82, struct in6_ifreq) 432 #define SIOCGIFSTAT_IN6 _IOWR('i', 83, struct in6_ifreq) 433 #define SIOCGIFSTAT_ICMP6 _IOWR('i', 84, struct in6_ifreq) 434 435 #define SIOCSDEFIFACE_IN6 _IOWR('i', 85, struct in6_ndifreq) 436 #define SIOCGDEFIFACE_IN6 _IOWR('i', 86, struct in6_ndifreq) 437 438 #define SIOCSIFINFO_FLAGS _IOWR('i', 87, struct in6_ndireq) /* XXX */ 439 440 #define SIOCSSCOPE6 _IOW('i', 88, struct in6_ifreq) 441 #define SIOCGSCOPE6 _IOWR('i', 89, struct in6_ifreq) 442 #define SIOCGSCOPE6DEF _IOWR('i', 90, struct in6_ifreq) 443 444 #define SIOCSIFPREFIX_IN6 _IOW('i', 100, struct in6_prefixreq) /* set */ 445 #define SIOCGIFPREFIX_IN6 _IOWR('i', 101, struct in6_prefixreq) /* get */ 446 #define SIOCDIFPREFIX_IN6 _IOW('i', 102, struct in6_prefixreq) /* del */ 447 #define SIOCAIFPREFIX_IN6 _IOW('i', 103, struct in6_rrenumreq) /* add */ 448 #define SIOCCIFPREFIX_IN6 _IOW('i', 104, \ 449 struct in6_rrenumreq) /* change */ 450 #define SIOCSGIFPREFIX_IN6 _IOW('i', 105, \ 451 struct in6_rrenumreq) /* set global */ 452 453 #define SIOCGETSGCNT_IN6 _IOWR('u', 106, \ 454 struct sioc_sg_req6) /* get s,g pkt cnt */ 455 #define SIOCGETMIFCNT_IN6 _IOWR('u', 107, \ 456 struct sioc_mif_req6) /* get pkt cnt per if */ 457 458 #define SIOCAADDRCTL_POLICY _IOW('u', 108, struct in6_addrpolicy) 459 #define SIOCDADDRCTL_POLICY _IOW('u', 109, struct in6_addrpolicy) 460 461 #define IN6_IFF_ANYCAST 0x01 /* anycast address */ 462 #define IN6_IFF_TENTATIVE 0x02 /* tentative address */ 463 #define IN6_IFF_DUPLICATED 0x04 /* DAD detected duplicate */ 464 #define IN6_IFF_DETACHED 0x08 /* may be detached from the link */ 465 #define IN6_IFF_DEPRECATED 0x10 /* deprecated address */ 466 #define IN6_IFF_NODAD 0x20 /* don't perform DAD on this address 467 * (used only at first SIOC* call) 468 */ 469 #define IN6_IFF_AUTOCONF 0x40 /* autoconfigurable address. */ 470 #define IN6_IFF_TEMPORARY 0x80 /* temporary (anonymous) address. */ 471 #define IN6_IFF_NOPFX 0x8000 /* skip kernel prefix management. 472 * XXX: this should be temporary. 473 */ 474 475 /* do not input/output */ 476 #define IN6_IFF_NOTREADY (IN6_IFF_TENTATIVE|IN6_IFF_DUPLICATED) 477 478 #ifdef _KERNEL 479 #define IN6_ARE_SCOPE_CMP(a,b) ((a)-(b)) 480 #define IN6_ARE_SCOPE_EQUAL(a,b) ((a)==(b)) 481 #endif 482 483 #ifdef _KERNEL 484 extern struct in6_ifaddr *in6_ifaddr; 485 486 extern struct icmp6stat icmp6stat; 487 #define in6_ifstat_inc(ifp, tag) \ 488 do { \ 489 struct in6_ifextra *xtra; \ 490 if ((ifp) && (xtra = (ifp)->if_afdata[AF_INET6]) != NULL) \ 491 xtra->in6_ifstat->tag++; \ 492 } while (0) 493 494 extern struct ifqueue ip6intrq; /* IP6 packet input queue */ 495 extern struct in6_addr zeroin6_addr; 496 extern u_char inet6ctlerrmap[]; 497 extern unsigned long in6_maxmtu; 498 #ifdef MALLOC_DECLARE 499 MALLOC_DECLARE(M_IPMADDR); 500 #endif 501 502 /* 503 * Macro for finding the internet address structure (in6_ifaddr) corresponding 504 * to a given interface (ifnet structure). 505 */ 506 507 #define IFP_TO_IA6(ifp, ia) \ 508 /* struct ifnet *ifp; */ \ 509 /* struct in6_ifaddr *ia; */ \ 510 do { \ 511 struct ifaddr_container *ifac; \ 512 TAILQ_FOREACH(ifac, &(ifp)->if_addrheads[mycpuid], ifa_list) { \ 513 if (!ifac->ifa->ifa_addr) \ 514 continue; \ 515 if (ifac->ifa->ifa_addr->sa_family == AF_INET6) \ 516 break; \ 517 } \ 518 (ia) = ifac == NULL ? NULL : (struct in6_ifaddr *)(ifac->ifa); \ 519 } while (0) 520 521 #endif /* _KERNEL */ 522 523 /* 524 * Multi-cast membership entry. One for each group/ifp that a PCB 525 * belongs to. 526 */ 527 struct in6_multi_mship { 528 struct in6_multi *i6mm_maddr; /* Multicast address pointer */ 529 LIST_ENTRY(in6_multi_mship) i6mm_chain; /* multicast options chain */ 530 }; 531 532 struct in6_multi { 533 LIST_ENTRY(in6_multi) in6m_entry; /* list glue */ 534 struct in6_addr in6m_addr; /* IP6 multicast address */ 535 struct ifnet *in6m_ifp; /* back pointer to ifnet */ 536 struct ifmultiaddr *in6m_ifma; /* back pointer to ifmultiaddr */ 537 u_int in6m_refcount; /* # membership claims by sockets */ 538 u_int in6m_state; /* state of the membership */ 539 u_int in6m_timer; /* MLD6 listener report timer */ 540 }; 541 542 #ifdef _KERNEL 543 extern 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 */ 549 struct in6_multistep { 550 struct in6_ifaddr *i_ia; 551 struct in6_multi *i_in6m; 552 }; 553 554 /* 555 * Look up the in6_multi record for a given IP6 multicast address on a given 556 * interface. If no matching record is found, NULL is returned. 557 */ 558 static __inline struct in6_multi * 559 IN6_LOOKUP_MULTI(const struct in6_addr *_addr, struct ifnet *_ifp) 560 { 561 const struct ifmultiaddr *_ifma; 562 struct in6_multi *_in6m = NULL; 563 564 /* TODO: need ifnet_serialize_main */ 565 ifnet_serialize_all(_ifp); 566 TAILQ_FOREACH(_ifma, &_ifp->if_multiaddrs, ifma_link) { 567 if (_ifma->ifma_addr->sa_family == AF_INET6 && 568 IN6_ARE_ADDR_EQUAL( 569 &((struct sockaddr_in6 *)_ifma->ifma_addr)->sin6_addr, 570 _addr)) { 571 _in6m = _ifma->ifma_protospec; 572 break; 573 } 574 } 575 ifnet_deserialize_all(_ifp); 576 577 return _in6m; 578 } 579 580 /* 581 * Macro to step through all of the in6_multi records, one at a time. 582 * The current position is remembered in "step", which the caller must 583 * provide. IN6_FIRST_MULTI(), below, must be called to initialize "step" 584 * and get the first record. Both macros return a NULL "in6m" when there 585 * are no remaining records. 586 */ 587 #define IN6_NEXT_MULTI(step, in6m) \ 588 /* struct in6_multistep step; */ \ 589 /* struct in6_multi *in6m; */ \ 590 do { \ 591 if (((in6m) = (step).i_in6m) != NULL) \ 592 (step).i_in6m = (step).i_in6m->in6m_entry.le_next; \ 593 } while(0) 594 595 #define IN6_FIRST_MULTI(step, in6m) \ 596 /* struct in6_multistep step; */ \ 597 /* struct in6_multi *in6m */ \ 598 do { \ 599 (step).i_in6m = in6_multihead.lh_first; \ 600 IN6_NEXT_MULTI((step), (in6m)); \ 601 } while(0) 602 603 struct in6_multi *in6_addmulti (struct in6_addr *, struct ifnet *, 604 int *); 605 void in6_delmulti (struct in6_multi *); 606 struct in6_multi_mship *in6_joingroup(struct ifnet *, struct in6_addr *, int *); 607 int in6_leavegroup(struct in6_multi_mship *); 608 609 extern int in6_ifindex2scopeid (int); 610 int in6_mask2len(const struct in6_addr *, const u_char *); 611 extern void in6_len2mask (struct in6_addr *, int); 612 void in6_control_dispatch(netmsg_t msg); 613 int in6_control (u_long, caddr_t, struct ifnet *, struct thread *); 614 int in6_update_ifa (struct ifnet *, struct in6_aliasreq *, 615 struct in6_ifaddr *); 616 void in6_purgeaddr (struct ifaddr *); 617 int in6if_do_dad (struct ifnet *); 618 void in6_purgeif (struct ifnet *); 619 void in6_savemkludge (struct in6_ifaddr *); 620 void *in6_domifattach (struct ifnet *); 621 void in6_domifdetach (struct ifnet *, void *); 622 void in6_setmaxmtu (void); 623 void in6_restoremkludge (struct in6_ifaddr *, struct ifnet *); 624 void in6_purgemkludge (struct ifnet *); 625 struct in6_ifaddr *in6ifa_ifpforlinklocal (struct ifnet *, int); 626 struct in6_ifaddr *in6ifa_ifpwithaddr (struct ifnet *, 627 struct in6_addr *); 628 struct in6_ifaddr *in6ifa_ifplocaladdr(const struct ifnet *, 629 const struct in6_addr *); 630 struct in6_ifaddr *in6ifa_llaonifp(struct ifnet *); 631 char *ip6_sprintf (const struct in6_addr *); 632 int in6_addr2scopeid (struct ifnet *, struct in6_addr *); 633 int in6_matchlen (struct in6_addr *, struct in6_addr *); 634 int in6_are_prefix_equal (struct in6_addr *p1, struct in6_addr *p2, 635 int len); 636 void in6_prefixlen2mask (struct in6_addr *maskp, int len); 637 void in6_ifremloop(struct ifaddr *); 638 void in6_ifaddloop(struct ifaddr *); 639 640 int in6_is_addr_deprecated (struct sockaddr_in6 *); 641 struct inpcb; 642 int in6_embedscope (struct in6_addr *, const struct sockaddr_in6 *, 643 struct inpcb *, struct ifnet **); 644 int in6_recoverscope (struct sockaddr_in6 *, const struct in6_addr *, 645 struct ifnet *); 646 void in6_clearscope (struct in6_addr *); 647 int in6_src_ioctl (u_long, caddr_t); 648 #endif /* _KERNEL */ 649 650 #endif /* _NETINET6_IN6_VAR_H_ */ 651