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. Neither the name of the University nor the names of its contributors 47 * may be used to endorse or promote products derived from this software 48 * without specific prior written permission. 49 * 50 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 51 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 52 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 53 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 54 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 55 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 56 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 57 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 58 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 59 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 60 * SUCH DAMAGE. 61 * 62 * @(#)in_var.h 8.1 (Berkeley) 6/10/93 63 */ 64 65 #ifndef _NETINET6_IN6_VAR_H_ 66 #define _NETINET6_IN6_VAR_H_ 67 68 #ifndef _SYS_TYPES_H_ 69 #include <sys/types.h> 70 #endif 71 #ifndef _SYS_IOCCOM_H_ 72 #include <sys/ioccom.h> 73 #endif 74 #ifndef _SYS_TIME_H_ 75 #include <sys/time.h> 76 #endif 77 #ifndef _NET_IF_VAR_H_ 78 #include <net/if_var.h> 79 #endif 80 #ifndef _NETINET_IN_H_ 81 #include <netinet/in.h> 82 #endif 83 84 /* 85 * Interface address, Internet version. One of these structures 86 * is allocated for each interface with an Internet address. 87 * The ifaddr structure contains the protocol-independent part 88 * of the structure and is assumed to be first. 89 */ 90 91 /* 92 * pltime/vltime are just for future reference (required to implements 2 93 * hour rule for hosts). they should never be modified by nd6_timeout or 94 * anywhere else. 95 * userland -> kernel: accept pltime/vltime 96 * kernel -> userland: throw up everything 97 * in kernel: modify preferred/expire only 98 */ 99 struct in6_addrlifetime { 100 time_t ia6t_expire; /* valid lifetime expiration time */ 101 time_t ia6t_preferred; /* preferred lifetime expiration time */ 102 u_int32_t ia6t_vltime; /* valid lifetime */ 103 u_int32_t ia6t_pltime; /* prefix lifetime */ 104 }; 105 106 struct nd_ifinfo; 107 struct scope6_id; 108 109 struct in6_ifextra { 110 struct in6_ifstat *in6_ifstat; 111 struct icmp6_ifstat *icmp6_ifstat; 112 struct nd_ifinfo *nd_ifinfo; 113 struct scope6_id *scope6_id; 114 }; 115 116 struct in6_ifaddr { 117 struct ifaddr ia_ifa; /* protocol-independent info */ 118 #define ia_ifp ia_ifa.ifa_ifp 119 #define ia_flags ia_ifa.ifa_flags 120 struct sockaddr_in6 ia_addr; /* interface address */ 121 struct sockaddr_in6 ia_net; /* network number of interface */ 122 struct sockaddr_in6 ia_dstaddr; /* space for destination addr */ 123 struct sockaddr_in6 ia_prefixmask; /* prefix mask */ 124 u_int32_t ia_plen; /* prefix length */ 125 struct in6_ifaddr *ia_next; /* next in6 list of IP6 addresses */ 126 int ia6_flags; 127 128 struct in6_addrlifetime ia6_lifetime; 129 /* back pointer to the ND prefix (for autoconfigured addresses only) */ 130 struct nd_prefix *ia6_ndpr; 131 }; 132 133 /* control structure to manage address selection policy */ 134 struct in6_addrpolicy { 135 struct sockaddr_in6 addr; /* prefix address */ 136 struct sockaddr_in6 addrmask; /* prefix mask */ 137 int preced; /* precedence */ 138 int label; /* matching label */ 139 u_quad_t use; /* statistics */ 140 }; 141 142 /* 143 * IPv6 interface statistics, as defined in RFC2465 Ipv6IfStatsEntry (p12). 144 */ 145 struct in6_ifstat { 146 u_quad_t ifs6_in_receive; /* # of total input datagram */ 147 u_quad_t ifs6_in_hdrerr; /* # of datagrams with invalid hdr */ 148 u_quad_t ifs6_in_toobig; /* # of datagrams exceeded MTU */ 149 u_quad_t ifs6_in_noroute; /* # of datagrams with no route */ 150 u_quad_t ifs6_in_addrerr; /* # of datagrams with invalid dst */ 151 u_quad_t ifs6_in_protounknown; /* # of datagrams with unknown proto */ 152 /* NOTE: increment on final dst if */ 153 u_quad_t ifs6_in_truncated; /* # of truncated datagrams */ 154 u_quad_t ifs6_in_discard; /* # of discarded datagrams */ 155 /* NOTE: fragment timeout is not here */ 156 u_quad_t ifs6_in_deliver; /* # of datagrams delivered to ULP */ 157 /* NOTE: increment on final dst if */ 158 u_quad_t ifs6_out_forward; /* # of datagrams forwarded */ 159 /* NOTE: increment on outgoing if */ 160 u_quad_t ifs6_out_request; /* # of outgoing datagrams from ULP */ 161 /* NOTE: does not include forwrads */ 162 u_quad_t ifs6_out_discard; /* # of discarded datagrams */ 163 u_quad_t ifs6_out_fragok; /* # of datagrams fragmented */ 164 u_quad_t ifs6_out_fragfail; /* # of datagrams failed on fragment */ 165 u_quad_t ifs6_out_fragcreat; /* # of fragment datagrams */ 166 /* NOTE: this is # after fragment */ 167 u_quad_t ifs6_reass_reqd; /* # of incoming fragmented packets */ 168 /* NOTE: increment on final dst if */ 169 u_quad_t ifs6_reass_ok; /* # of reassembled packets */ 170 /* NOTE: this is # after reass */ 171 /* NOTE: increment on final dst if */ 172 u_quad_t ifs6_reass_fail; /* # of reass failures */ 173 /* NOTE: may not be packet count */ 174 /* NOTE: increment on final dst if */ 175 u_quad_t ifs6_in_mcast; /* # of inbound multicast datagrams */ 176 u_quad_t ifs6_out_mcast; /* # of outbound multicast datagrams */ 177 }; 178 179 /* 180 * ICMPv6 interface statistics, as defined in RFC2466 Ipv6IfIcmpEntry. 181 * XXX: I'm not sure if this file is the right place for this structure... 182 */ 183 struct icmp6_ifstat { 184 /* 185 * Input statistics 186 */ 187 /* ipv6IfIcmpInMsgs, total # of input messages */ 188 u_quad_t ifs6_in_msg; 189 /* ipv6IfIcmpInErrors, # of input error messages */ 190 u_quad_t ifs6_in_error; 191 /* ipv6IfIcmpInDestUnreachs, # of input dest unreach errors */ 192 u_quad_t ifs6_in_dstunreach; 193 /* ipv6IfIcmpInAdminProhibs, # of input administratively prohibited errs */ 194 u_quad_t ifs6_in_adminprohib; 195 /* ipv6IfIcmpInTimeExcds, # of input time exceeded errors */ 196 u_quad_t ifs6_in_timeexceed; 197 /* ipv6IfIcmpInParmProblems, # of input parameter problem errors */ 198 u_quad_t ifs6_in_paramprob; 199 /* ipv6IfIcmpInPktTooBigs, # of input packet too big errors */ 200 u_quad_t ifs6_in_pkttoobig; 201 /* ipv6IfIcmpInEchos, # of input echo requests */ 202 u_quad_t ifs6_in_echo; 203 /* ipv6IfIcmpInEchoReplies, # of input echo replies */ 204 u_quad_t ifs6_in_echoreply; 205 /* ipv6IfIcmpInRouterSolicits, # of input router solicitations */ 206 u_quad_t ifs6_in_routersolicit; 207 /* ipv6IfIcmpInRouterAdvertisements, # of input router advertisements */ 208 u_quad_t ifs6_in_routeradvert; 209 /* ipv6IfIcmpInNeighborSolicits, # of input neighbor solicitations */ 210 u_quad_t ifs6_in_neighborsolicit; 211 /* ipv6IfIcmpInNeighborAdvertisements, # of input neighbor advertisements */ 212 u_quad_t ifs6_in_neighboradvert; 213 /* ipv6IfIcmpInRedirects, # of input redirects */ 214 u_quad_t ifs6_in_redirect; 215 /* ipv6IfIcmpInGroupMembQueries, # of input MLD queries */ 216 u_quad_t ifs6_in_mldquery; 217 /* ipv6IfIcmpInGroupMembResponses, # of input MLD reports */ 218 u_quad_t ifs6_in_mldreport; 219 /* ipv6IfIcmpInGroupMembReductions, # of input MLD done */ 220 u_quad_t ifs6_in_mlddone; 221 222 /* 223 * Output statistics. We should solve unresolved routing problem... 224 */ 225 /* ipv6IfIcmpOutMsgs, total # of output messages */ 226 u_quad_t ifs6_out_msg; 227 /* ipv6IfIcmpOutErrors, # of output error messages */ 228 u_quad_t ifs6_out_error; 229 /* ipv6IfIcmpOutDestUnreachs, # of output dest unreach errors */ 230 u_quad_t ifs6_out_dstunreach; 231 /* ipv6IfIcmpOutAdminProhibs, # of output administratively prohibited errs */ 232 u_quad_t ifs6_out_adminprohib; 233 /* ipv6IfIcmpOutTimeExcds, # of output time exceeded errors */ 234 u_quad_t ifs6_out_timeexceed; 235 /* ipv6IfIcmpOutParmProblems, # of output parameter problem errors */ 236 u_quad_t ifs6_out_paramprob; 237 /* ipv6IfIcmpOutPktTooBigs, # of output packet too big errors */ 238 u_quad_t ifs6_out_pkttoobig; 239 /* ipv6IfIcmpOutEchos, # of output echo requests */ 240 u_quad_t ifs6_out_echo; 241 /* ipv6IfIcmpOutEchoReplies, # of output echo replies */ 242 u_quad_t ifs6_out_echoreply; 243 /* ipv6IfIcmpOutRouterSolicits, # of output router solicitations */ 244 u_quad_t ifs6_out_routersolicit; 245 /* ipv6IfIcmpOutRouterAdvertisements, # of output router advertisements */ 246 u_quad_t ifs6_out_routeradvert; 247 /* ipv6IfIcmpOutNeighborSolicits, # of output neighbor solicitations */ 248 u_quad_t ifs6_out_neighborsolicit; 249 /* ipv6IfIcmpOutNeighborAdvertisements, # of output neighbor advertisements */ 250 u_quad_t ifs6_out_neighboradvert; 251 /* ipv6IfIcmpOutRedirects, # of output redirects */ 252 u_quad_t ifs6_out_redirect; 253 /* ipv6IfIcmpOutGroupMembQueries, # of output MLD queries */ 254 u_quad_t ifs6_out_mldquery; 255 /* ipv6IfIcmpOutGroupMembResponses, # of output MLD reports */ 256 u_quad_t ifs6_out_mldreport; 257 /* ipv6IfIcmpOutGroupMembReductions, # of output MLD done */ 258 u_quad_t ifs6_out_mlddone; 259 }; 260 261 struct in6_ifreq { 262 char ifr_name[IFNAMSIZ]; 263 union { 264 struct sockaddr_in6 ifru_addr; 265 struct sockaddr_in6 ifru_dstaddr; 266 short ifru_flags; 267 int ifru_flags6; 268 int ifru_metric; 269 caddr_t ifru_data; 270 struct in6_addrlifetime ifru_lifetime; 271 struct in6_ifstat ifru_stat; 272 struct icmp6_ifstat ifru_icmp6stat; 273 u_int32_t ifru_scope_id[16]; 274 } ifr_ifru; 275 }; 276 277 struct in6_aliasreq { 278 char ifra_name[IFNAMSIZ]; 279 struct sockaddr_in6 ifra_addr; 280 struct sockaddr_in6 ifra_dstaddr; 281 struct sockaddr_in6 ifra_prefixmask; 282 int ifra_flags; 283 struct in6_addrlifetime ifra_lifetime; 284 }; 285 286 /* prefix type macro */ 287 #define IN6_PREFIX_ND 1 288 #define IN6_PREFIX_RR 2 289 290 /* 291 * prefix related flags passed between kernel(NDP related part) and 292 * user land command(ifconfig) and daemon(rtadvd). 293 */ 294 struct in6_prflags { 295 struct prf_ra { 296 u_char onlink : 1; 297 u_char autonomous : 1; 298 u_char reserved : 6; 299 } prf_ra; 300 u_char prf_reserved1; 301 u_short prf_reserved2; 302 /* want to put this on 4byte offset */ 303 struct prf_rr { 304 u_char decrvalid : 1; 305 u_char decrprefd : 1; 306 u_char reserved : 6; 307 } prf_rr; 308 u_char prf_reserved3; 309 u_short prf_reserved4; 310 }; 311 312 struct in6_prefixreq { 313 char ipr_name[IFNAMSIZ]; 314 u_char ipr_origin; 315 u_char ipr_plen; 316 u_int32_t ipr_vltime; 317 u_int32_t ipr_pltime; 318 struct in6_prflags ipr_flags; 319 struct sockaddr_in6 ipr_prefix; 320 }; 321 322 #define PR_ORIG_RA 0 323 #define PR_ORIG_RR 1 324 #define PR_ORIG_STATIC 2 325 #define PR_ORIG_KERNEL 3 326 327 #define ipr_raf_onlink ipr_flags.prf_ra.onlink 328 #define ipr_raf_auto ipr_flags.prf_ra.autonomous 329 330 #define ipr_statef_onlink ipr_flags.prf_state.onlink 331 332 #define ipr_rrf_decrvalid ipr_flags.prf_rr.decrvalid 333 #define ipr_rrf_decrprefd ipr_flags.prf_rr.decrprefd 334 335 struct in6_rrenumreq { 336 char irr_name[IFNAMSIZ]; 337 u_char irr_origin; 338 u_char irr_m_len; /* match len for matchprefix */ 339 u_char irr_m_minlen; /* minlen for matching prefix */ 340 u_char irr_m_maxlen; /* maxlen for matching prefix */ 341 u_char irr_u_uselen; /* uselen for adding prefix */ 342 u_char irr_u_keeplen; /* keeplen from matching prefix */ 343 struct irr_raflagmask { 344 u_char onlink : 1; 345 u_char autonomous : 1; 346 u_char reserved : 6; 347 } irr_raflagmask; 348 u_int32_t irr_vltime; 349 u_int32_t irr_pltime; 350 struct in6_prflags irr_flags; 351 struct sockaddr_in6 irr_matchprefix; 352 struct sockaddr_in6 irr_useprefix; 353 }; 354 355 #define irr_raf_mask_onlink irr_raflagmask.onlink 356 #define irr_raf_mask_auto irr_raflagmask.autonomous 357 #define irr_raf_mask_reserved irr_raflagmask.reserved 358 359 #define irr_raf_onlink irr_flags.prf_ra.onlink 360 #define irr_raf_auto irr_flags.prf_ra.autonomous 361 362 #define irr_statef_onlink irr_flags.prf_state.onlink 363 364 #define irr_rrf irr_flags.prf_rr 365 #define irr_rrf_decrvalid irr_flags.prf_rr.decrvalid 366 #define irr_rrf_decrprefd irr_flags.prf_rr.decrprefd 367 368 /* 369 * Given a pointer to an in6_ifaddr (ifaddr), 370 * return a pointer to the addr as a sockaddr_in6 371 */ 372 #define IA6_IN6(ia) (&((ia)->ia_addr.sin6_addr)) 373 #define IA6_DSTIN6(ia) (&((ia)->ia_dstaddr.sin6_addr)) 374 #define IA6_MASKIN6(ia) (&((ia)->ia_prefixmask.sin6_addr)) 375 #define IA6_SIN6(ia) (&((ia)->ia_addr)) 376 #define IA6_DSTSIN6(ia) (&((ia)->ia_dstaddr)) 377 #define IFA_IN6(x) (&((struct sockaddr_in6 *)((x)->ifa_addr))->sin6_addr) 378 #define IFA_DSTIN6(x) (&((struct sockaddr_in6 *)((x)->ifa_dstaddr))->sin6_addr) 379 380 #define IFPR_IN6(x) (&((struct sockaddr_in6 *)((x)->ifpr_prefix))->sin6_addr) 381 382 #ifdef _KERNEL 383 #define IN6_ARE_MASKED_ADDR_EQUAL(d, a, m) ( \ 384 (((d)->s6_addr32[0] ^ (a)->s6_addr32[0]) & (m)->s6_addr32[0]) == 0 && \ 385 (((d)->s6_addr32[1] ^ (a)->s6_addr32[1]) & (m)->s6_addr32[1]) == 0 && \ 386 (((d)->s6_addr32[2] ^ (a)->s6_addr32[2]) & (m)->s6_addr32[2]) == 0 && \ 387 (((d)->s6_addr32[3] ^ (a)->s6_addr32[3]) & (m)->s6_addr32[3]) == 0 ) 388 #endif 389 390 #define SIOCSIFADDR_IN6 _IOW('i', 12, struct in6_ifreq) 391 #define SIOCGIFADDR_IN6 _IOWR('i', 33, struct in6_ifreq) 392 393 #ifdef _KERNEL 394 /* 395 * SIOCSxxx ioctls should be unused (see comments in in6.c), but 396 * we do not shift numbers for binary compatibility. 397 */ 398 #define SIOCSIFDSTADDR_IN6 _IOW('i', 14, struct in6_ifreq) 399 #define SIOCSIFNETMASK_IN6 _IOW('i', 22, struct in6_ifreq) 400 #endif 401 402 #define SIOCGIFDSTADDR_IN6 _IOWR('i', 34, struct in6_ifreq) 403 #define SIOCGIFNETMASK_IN6 _IOWR('i', 37, struct in6_ifreq) 404 405 #define SIOCDIFADDR_IN6 _IOW('i', 25, struct in6_ifreq) 406 #define SIOCAIFADDR_IN6 _IOW('i', 26, struct in6_aliasreq) 407 408 #define SIOCSIFPHYADDR_IN6 _IOW('i', 70, struct in6_aliasreq) 409 #define SIOCGIFPSRCADDR_IN6 _IOWR('i', 71, struct in6_ifreq) 410 #define SIOCGIFPDSTADDR_IN6 _IOWR('i', 72, struct in6_ifreq) 411 412 #define SIOCGIFAFLAG_IN6 _IOWR('i', 73, struct in6_ifreq) 413 414 #define SIOCGDRLST_IN6 _IOWR('i', 74, struct in6_drlist) 415 #define SIOCGPRLST_IN6 _IOWR('i', 75, struct in6_prlist) 416 #ifdef _KERNEL 417 #define OSIOCGIFINFO_IN6 _IOWR('i', 76, struct in6_ondireq) 418 #endif 419 #define SIOCGIFINFO_IN6 _IOWR('i', 108, struct in6_ndireq) 420 #define SIOCSNDFLUSH_IN6 _IOWR('i', 77, struct in6_ifreq) 421 #define SIOCGNBRINFO_IN6 _IOWR('i', 78, struct in6_nbrinfo) 422 #define SIOCSPFXFLUSH_IN6 _IOWR('i', 79, struct in6_ifreq) 423 #define SIOCSRTRFLUSH_IN6 _IOWR('i', 80, struct in6_ifreq) 424 425 #define SIOCGIFALIFETIME_IN6 _IOWR('i', 81, struct in6_ifreq) 426 #define SIOCSIFALIFETIME_IN6 _IOWR('i', 82, struct in6_ifreq) 427 #define SIOCGIFSTAT_IN6 _IOWR('i', 83, struct in6_ifreq) 428 #define SIOCGIFSTAT_ICMP6 _IOWR('i', 84, struct in6_ifreq) 429 430 #define SIOCSDEFIFACE_IN6 _IOWR('i', 85, struct in6_ndifreq) 431 #define SIOCGDEFIFACE_IN6 _IOWR('i', 86, struct in6_ndifreq) 432 433 #define SIOCSIFINFO_FLAGS _IOWR('i', 87, struct in6_ndireq) /* XXX */ 434 435 #define SIOCSSCOPE6 _IOW('i', 88, struct in6_ifreq) 436 #define SIOCGSCOPE6 _IOWR('i', 89, struct in6_ifreq) 437 #define SIOCGSCOPE6DEF _IOWR('i', 90, struct in6_ifreq) 438 439 #define SIOCSIFPREFIX_IN6 _IOW('i', 100, struct in6_prefixreq) /* set */ 440 #define SIOCGIFPREFIX_IN6 _IOWR('i', 101, struct in6_prefixreq) /* get */ 441 #define SIOCDIFPREFIX_IN6 _IOW('i', 102, struct in6_prefixreq) /* del */ 442 #define SIOCAIFPREFIX_IN6 _IOW('i', 103, struct in6_rrenumreq) /* add */ 443 #define SIOCCIFPREFIX_IN6 _IOW('i', 104, \ 444 struct in6_rrenumreq) /* change */ 445 #define SIOCSGIFPREFIX_IN6 _IOW('i', 105, \ 446 struct in6_rrenumreq) /* set global */ 447 448 #define SIOCGETSGCNT_IN6 _IOWR('u', 106, \ 449 struct sioc_sg_req6) /* get s,g pkt cnt */ 450 #define SIOCGETMIFCNT_IN6 _IOWR('u', 107, \ 451 struct sioc_mif_req6) /* get pkt cnt per if */ 452 453 #define SIOCAADDRCTL_POLICY _IOW('u', 108, struct in6_addrpolicy) 454 #define SIOCDADDRCTL_POLICY _IOW('u', 109, struct in6_addrpolicy) 455 456 #define IN6_IFF_ANYCAST 0x01 /* anycast address */ 457 #define IN6_IFF_TENTATIVE 0x02 /* tentative address */ 458 #define IN6_IFF_DUPLICATED 0x04 /* DAD detected duplicate */ 459 #define IN6_IFF_DETACHED 0x08 /* may be detached from the link */ 460 #define IN6_IFF_DEPRECATED 0x10 /* deprecated address */ 461 #define IN6_IFF_NODAD 0x20 /* don't perform DAD on this address 462 * (used only at first SIOC* call) 463 */ 464 #define IN6_IFF_AUTOCONF 0x40 /* autoconfigurable address. */ 465 #define IN6_IFF_TEMPORARY 0x80 /* temporary (anonymous) address. */ 466 #define IN6_IFF_NOPFX 0x8000 /* skip kernel prefix management. 467 * XXX: this should be temporary. 468 */ 469 470 /* do not input/output */ 471 #define IN6_IFF_NOTREADY (IN6_IFF_TENTATIVE|IN6_IFF_DUPLICATED) 472 473 #ifdef _KERNEL 474 #define IN6_ARE_SCOPE_CMP(a,b) ((a)-(b)) 475 #define IN6_ARE_SCOPE_EQUAL(a,b) ((a)==(b)) 476 #endif 477 478 #ifdef _KERNEL 479 extern struct in6_ifaddr *in6_ifaddr; 480 481 extern struct icmp6stat icmp6stat; 482 #define in6_ifstat_inc(ifp, tag) \ 483 do { \ 484 struct in6_ifextra *xtra; \ 485 if ((ifp) && (xtra = (ifp)->if_afdata[AF_INET6]) != NULL) \ 486 xtra->in6_ifstat->tag++; \ 487 } while (0) 488 489 extern struct ifqueue ip6intrq; /* IP6 packet input queue */ 490 extern struct in6_addr zeroin6_addr; 491 extern u_char inet6ctlerrmap[]; 492 extern unsigned long in6_maxmtu; 493 #ifdef MALLOC_DECLARE 494 MALLOC_DECLARE(M_IPMADDR); 495 #endif 496 497 /* 498 * Macro for finding the internet address structure (in6_ifaddr) corresponding 499 * to a given interface (ifnet structure). 500 */ 501 502 #define IFP_TO_IA6(ifp, ia) \ 503 /* struct ifnet *ifp; */ \ 504 /* struct in6_ifaddr *ia; */ \ 505 do { \ 506 struct ifaddr_container *ifac; \ 507 TAILQ_FOREACH(ifac, &(ifp)->if_addrheads[mycpuid], ifa_list) { \ 508 if (!ifac->ifa->ifa_addr) \ 509 continue; \ 510 if (ifac->ifa->ifa_addr->sa_family == AF_INET6) \ 511 break; \ 512 } \ 513 (ia) = ifac == NULL ? NULL : (struct in6_ifaddr *)(ifac->ifa); \ 514 } while (0) 515 516 #endif /* _KERNEL */ 517 518 /* 519 * Multi-cast membership entry. One for each group/ifp that a PCB 520 * belongs to. 521 */ 522 struct in6_multi_mship { 523 struct in6_multi *i6mm_maddr; /* Multicast address pointer */ 524 LIST_ENTRY(in6_multi_mship) i6mm_chain; /* multicast options chain */ 525 }; 526 527 struct in6_multi { 528 LIST_ENTRY(in6_multi) in6m_entry; /* list glue */ 529 struct in6_addr in6m_addr; /* IP6 multicast address */ 530 struct ifnet *in6m_ifp; /* back pointer to ifnet */ 531 struct ifmultiaddr *in6m_ifma; /* back pointer to ifmultiaddr */ 532 u_int in6m_refcount; /* # membership claims by sockets */ 533 u_int in6m_state; /* state of the membership */ 534 u_int in6m_timer; /* MLD6 listener report timer */ 535 }; 536 537 #ifdef _KERNEL 538 extern LIST_HEAD(in6_multihead, in6_multi) in6_multihead; 539 540 /* 541 * Structure used by macros below to remember position when stepping through 542 * all of the in6_multi records. 543 */ 544 struct in6_multistep { 545 struct in6_ifaddr *i_ia; 546 struct in6_multi *i_in6m; 547 }; 548 549 /* 550 * Look up the in6_multi record for a given IP6 multicast address on a given 551 * interface. If no matching record is found, NULL is returned. 552 */ 553 static __inline struct in6_multi * 554 IN6_LOOKUP_MULTI(const struct in6_addr *_addr, struct ifnet *_ifp) 555 { 556 const struct ifmultiaddr *_ifma; 557 struct in6_multi *_in6m = NULL; 558 559 /* TODO: need ifnet_serialize_main */ 560 ifnet_serialize_all(_ifp); 561 TAILQ_FOREACH(_ifma, &_ifp->if_multiaddrs, ifma_link) { 562 if (_ifma->ifma_addr->sa_family == AF_INET6 && 563 IN6_ARE_ADDR_EQUAL( 564 &((struct sockaddr_in6 *)_ifma->ifma_addr)->sin6_addr, 565 _addr)) { 566 _in6m = _ifma->ifma_protospec; 567 break; 568 } 569 } 570 ifnet_deserialize_all(_ifp); 571 572 return _in6m; 573 } 574 575 /* 576 * Macro to step through all of the in6_multi records, one at a time. 577 * The current position is remembered in "step", which the caller must 578 * provide. IN6_FIRST_MULTI(), below, must be called to initialize "step" 579 * and get the first record. Both macros return a NULL "in6m" when there 580 * are no remaining records. 581 */ 582 #define IN6_NEXT_MULTI(step, in6m) \ 583 /* struct in6_multistep step; */ \ 584 /* struct in6_multi *in6m; */ \ 585 do { \ 586 if (((in6m) = (step).i_in6m) != NULL) \ 587 (step).i_in6m = (step).i_in6m->in6m_entry.le_next; \ 588 } while(0) 589 590 #define IN6_FIRST_MULTI(step, in6m) \ 591 /* struct in6_multistep step; */ \ 592 /* struct in6_multi *in6m */ \ 593 do { \ 594 (step).i_in6m = in6_multihead.lh_first; \ 595 IN6_NEXT_MULTI((step), (in6m)); \ 596 } while(0) 597 598 struct in6_multi *in6_addmulti (struct in6_addr *, struct ifnet *, 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 int in6_mask2len(const struct in6_addr *, const u_char *); 604 void in6_control_dispatch(netmsg_t msg); 605 int in6_control(u_long, caddr_t, struct ifnet *, struct thread *); 606 int in6_update_ifa (struct ifnet *, struct in6_aliasreq *, 607 struct in6_ifaddr *); 608 void in6_purgeaddr (struct ifaddr *); 609 int in6if_do_dad (struct ifnet *); 610 void in6_purgeif (struct ifnet *); 611 void in6_savemkludge (struct in6_ifaddr *); 612 void *in6_domifattach (struct ifnet *); 613 void in6_domifdetach (struct ifnet *, void *); 614 void in6_setmaxmtu (void); 615 void in6_restoremkludge (struct in6_ifaddr *, struct ifnet *); 616 void in6_purgemkludge (struct ifnet *); 617 struct in6_ifaddr *in6ifa_ifpforlinklocal (struct ifnet *, int); 618 struct in6_ifaddr *in6ifa_ifpwithaddr (struct ifnet *, struct in6_addr *); 619 struct in6_ifaddr *in6ifa_ifplocaladdr(const struct ifnet *, 620 const struct in6_addr *); 621 struct in6_ifaddr *in6ifa_llaonifp(struct ifnet *); 622 char *ip6_sprintf (const struct in6_addr *); 623 int in6_addr2zoneid(struct ifnet *, struct in6_addr *, u_int32_t *); 624 int in6_matchlen (struct in6_addr *, struct in6_addr *); 625 int in6_are_prefix_equal(struct in6_addr *p1, struct in6_addr *p2, int len); 626 void in6_prefixlen2mask(struct in6_addr *maskp, int len); 627 void in6_ifremloop(struct ifaddr *); 628 void in6_ifaddloop(struct ifaddr *); 629 630 int in6_is_addr_deprecated (struct sockaddr_in6 *); 631 struct inpcb; 632 int in6_embedscope (struct in6_addr *, const struct sockaddr_in6 *, 633 struct inpcb *, struct ifnet **); 634 int in6_recoverscope (struct sockaddr_in6 *, const struct in6_addr *, 635 struct ifnet *); 636 void in6_clearscope (struct in6_addr *); 637 int in6_src_ioctl (u_long, caddr_t); 638 #endif /* _KERNEL */ 639 640 #endif /* _NETINET6_IN6_VAR_H_ */ 641