1/* $FreeBSD: src/sys/netinet6/in6_var.h,v 1.3.2.2 2001/07/03 11:01:52 ume Exp $ */ 2/* $KAME: in6_var.h,v 1.56 2001/03/29 05:34:31 itojun Exp $ */ 3 4/* 5 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. Neither the name of the project nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 33/* 34 * Copyright (c) 1985, 1986, 1993 35 * The Regents of the University of California. All rights reserved. 36 * 37 * Redistribution and use in source and binary forms, with or without 38 * modification, are permitted provided that the following conditions 39 * are met: 40 * 1. Redistributions of source code must retain the above copyright 41 * notice, this list of conditions and the following disclaimer. 42 * 2. Redistributions in binary form must reproduce the above copyright 43 * notice, this list of conditions and the following disclaimer in the 44 * documentation and/or other materials provided with the distribution. 45 * 3. All advertising materials mentioning features or use of this software 46 * must display the following acknowledgement: 47 * This product includes software developed by the University of 48 * California, Berkeley and its contributors. 49 * 4. Neither the name of the University nor the names of its contributors 50 * may be used to endorse or promote products derived from this software 51 * without specific prior written permission. 52 * 53 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 54 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 55 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 56 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 57 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 58 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 59 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 60 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 61 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 62 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 63 * SUCH DAMAGE. 64 * 65 * @(#)in_var.h 8.1 (Berkeley) 6/10/93 66 */ 67 68#ifndef _NETINET6_IN6_VAR_H_ 69#define _NETINET6_IN6_VAR_H_ 70#include <sys/appleapiopts.h> 71 72#ifdef __APPLE__ 73#include <sys/kern_event.h> 74#endif 75 76/* 77 * Interface address, Internet version. One of these structures 78 * is allocated for each interface with an Internet address. 79 * The ifaddr structure contains the protocol-independent part 80 * of the structure and is assumed to be first. 81 */ 82 83/* 84 * pltime/vltime are just for future reference (required to implements 2 85 * hour rule for hosts). they should never be modified by nd6_timeout or 86 * anywhere else. 87 * userland -> kernel: accept pltime/vltime 88 * kernel -> userland: throw up everything 89 * in kernel: modify preferred/expire only 90 */ 91struct in6_addrlifetime { 92 time_t ia6t_expire; /* valid lifetime expiration time */ 93 time_t ia6t_preferred; /* preferred lifetime expiration time */ 94 u_int32_t ia6t_vltime; /* valid lifetime */ 95 u_int32_t ia6t_pltime; /* prefix lifetime */ 96}; 97 98#ifdef PRIVATE 99struct in6_ifaddr { 100 struct ifaddr ia_ifa; /* protocol-independent info */ 101#define ia_ifp ia_ifa.ifa_ifp 102#define ia_flags ia_ifa.ifa_flags 103 struct sockaddr_in6 ia_addr; /* interface address */ 104 struct sockaddr_in6 ia_net; /* network number of interface */ 105 struct sockaddr_in6 ia_dstaddr; /* space for destination addr */ 106 struct sockaddr_in6 ia_prefixmask; /* prefix mask */ 107 u_int32_t ia_plen; /* prefix length */ 108 struct in6_ifaddr *ia_next; /* next in6 list of IP6 addresses */ 109 int ia6_flags; 110 111 struct in6_addrlifetime ia6_lifetime; 112 struct ifprefix *ia6_ifpr; /* back pointer to ifprefix */ 113 114 struct nd_prefix *ia6_ndpr; /* back pointer to the ND prefix 115 * (for autoconfigured addresses only) 116 */ 117}; 118 119#endif /* PRIVATE */ 120/* 121 * IPv6 interface statistics, as defined in RFC2465 Ipv6IfStatsEntry (p12). 122 */ 123struct in6_ifstat { 124 u_quad_t ifs6_in_receive; /* # of total input datagram */ 125 u_quad_t ifs6_in_hdrerr; /* # of datagrams with invalid hdr */ 126 u_quad_t ifs6_in_toobig; /* # of datagrams exceeded MTU */ 127 u_quad_t ifs6_in_noroute; /* # of datagrams with no route */ 128 u_quad_t ifs6_in_addrerr; /* # of datagrams with invalid dst */ 129 u_quad_t ifs6_in_protounknown; /* # of datagrams with unknown proto */ 130 /* NOTE: increment on final dst if */ 131 u_quad_t ifs6_in_truncated; /* # of truncated datagrams */ 132 u_quad_t ifs6_in_discard; /* # of discarded datagrams */ 133 /* NOTE: fragment timeout is not here */ 134 u_quad_t ifs6_in_deliver; /* # of datagrams delivered to ULP */ 135 /* NOTE: increment on final dst if */ 136 u_quad_t ifs6_out_forward; /* # of datagrams forwarded */ 137 /* NOTE: increment on outgoing if */ 138 u_quad_t ifs6_out_request; /* # of outgoing datagrams from ULP */ 139 /* NOTE: does not include forwrads */ 140 u_quad_t ifs6_out_discard; /* # of discarded datagrams */ 141 u_quad_t ifs6_out_fragok; /* # of datagrams fragmented */ 142 u_quad_t ifs6_out_fragfail; /* # of datagrams failed on fragment */ 143 u_quad_t ifs6_out_fragcreat; /* # of fragment datagrams */ 144 /* NOTE: this is # after fragment */ 145 u_quad_t ifs6_reass_reqd; /* # of incoming fragmented packets */ 146 /* NOTE: increment on final dst if */ 147 u_quad_t ifs6_reass_ok; /* # of reassembled packets */ 148 /* NOTE: this is # after reass */ 149 /* NOTE: increment on final dst if */ 150 u_quad_t ifs6_reass_fail; /* # of reass failures */ 151 /* NOTE: may not be packet count */ 152 /* NOTE: increment on final dst if */ 153 u_quad_t ifs6_in_mcast; /* # of inbound multicast datagrams */ 154 u_quad_t ifs6_out_mcast; /* # of outbound multicast datagrams */ 155}; 156 157/* 158 * ICMPv6 interface statistics, as defined in RFC2466 Ipv6IfIcmpEntry. 159 * XXX: I'm not sure if this file is the right place for this structure... 160 */ 161struct icmp6_ifstat { 162 /* 163 * Input statistics 164 */ 165 /* ipv6IfIcmpInMsgs, total # of input messages */ 166 u_quad_t ifs6_in_msg; 167 /* ipv6IfIcmpInErrors, # of input error messages */ 168 u_quad_t ifs6_in_error; 169 /* ipv6IfIcmpInDestUnreachs, # of input dest unreach errors */ 170 u_quad_t ifs6_in_dstunreach; 171 /* ipv6IfIcmpInAdminProhibs, # of input administratively prohibited errs */ 172 u_quad_t ifs6_in_adminprohib; 173 /* ipv6IfIcmpInTimeExcds, # of input time exceeded errors */ 174 u_quad_t ifs6_in_timeexceed; 175 /* ipv6IfIcmpInParmProblems, # of input parameter problem errors */ 176 u_quad_t ifs6_in_paramprob; 177 /* ipv6IfIcmpInPktTooBigs, # of input packet too big errors */ 178 u_quad_t ifs6_in_pkttoobig; 179 /* ipv6IfIcmpInEchos, # of input echo requests */ 180 u_quad_t ifs6_in_echo; 181 /* ipv6IfIcmpInEchoReplies, # of input echo replies */ 182 u_quad_t ifs6_in_echoreply; 183 /* ipv6IfIcmpInRouterSolicits, # of input router solicitations */ 184 u_quad_t ifs6_in_routersolicit; 185 /* ipv6IfIcmpInRouterAdvertisements, # of input router advertisements */ 186 u_quad_t ifs6_in_routeradvert; 187 /* ipv6IfIcmpInNeighborSolicits, # of input neighbor solicitations */ 188 u_quad_t ifs6_in_neighborsolicit; 189 /* ipv6IfIcmpInNeighborAdvertisements, # of input neighbor advertisements */ 190 u_quad_t ifs6_in_neighboradvert; 191 /* ipv6IfIcmpInRedirects, # of input redirects */ 192 u_quad_t ifs6_in_redirect; 193 /* ipv6IfIcmpInGroupMembQueries, # of input MLD queries */ 194 u_quad_t ifs6_in_mldquery; 195 /* ipv6IfIcmpInGroupMembResponses, # of input MLD reports */ 196 u_quad_t ifs6_in_mldreport; 197 /* ipv6IfIcmpInGroupMembReductions, # of input MLD done */ 198 u_quad_t ifs6_in_mlddone; 199 200 /* 201 * Output statistics. We should solve unresolved routing problem... 202 */ 203 /* ipv6IfIcmpOutMsgs, total # of output messages */ 204 u_quad_t ifs6_out_msg; 205 /* ipv6IfIcmpOutErrors, # of output error messages */ 206 u_quad_t ifs6_out_error; 207 /* ipv6IfIcmpOutDestUnreachs, # of output dest unreach errors */ 208 u_quad_t ifs6_out_dstunreach; 209 /* ipv6IfIcmpOutAdminProhibs, # of output administratively prohibited errs */ 210 u_quad_t ifs6_out_adminprohib; 211 /* ipv6IfIcmpOutTimeExcds, # of output time exceeded errors */ 212 u_quad_t ifs6_out_timeexceed; 213 /* ipv6IfIcmpOutParmProblems, # of output parameter problem errors */ 214 u_quad_t ifs6_out_paramprob; 215 /* ipv6IfIcmpOutPktTooBigs, # of output packet too big errors */ 216 u_quad_t ifs6_out_pkttoobig; 217 /* ipv6IfIcmpOutEchos, # of output echo requests */ 218 u_quad_t ifs6_out_echo; 219 /* ipv6IfIcmpOutEchoReplies, # of output echo replies */ 220 u_quad_t ifs6_out_echoreply; 221 /* ipv6IfIcmpOutRouterSolicits, # of output router solicitations */ 222 u_quad_t ifs6_out_routersolicit; 223 /* ipv6IfIcmpOutRouterAdvertisements, # of output router advertisements */ 224 u_quad_t ifs6_out_routeradvert; 225 /* ipv6IfIcmpOutNeighborSolicits, # of output neighbor solicitations */ 226 u_quad_t ifs6_out_neighborsolicit; 227 /* ipv6IfIcmpOutNeighborAdvertisements, # of output neighbor advertisements */ 228 u_quad_t ifs6_out_neighboradvert; 229 /* ipv6IfIcmpOutRedirects, # of output redirects */ 230 u_quad_t ifs6_out_redirect; 231 /* ipv6IfIcmpOutGroupMembQueries, # of output MLD queries */ 232 u_quad_t ifs6_out_mldquery; 233 /* ipv6IfIcmpOutGroupMembResponses, # of output MLD reports */ 234 u_quad_t ifs6_out_mldreport; 235 /* ipv6IfIcmpOutGroupMembReductions, # of output MLD done */ 236 u_quad_t ifs6_out_mlddone; 237}; 238 239struct in6_ifreq { 240 char ifr_name[IFNAMSIZ]; 241 union { 242 struct sockaddr_in6 ifru_addr; 243 struct sockaddr_in6 ifru_dstaddr; 244 short ifru_flags; 245 int ifru_flags6; 246 int ifru_metric; 247 caddr_t ifru_data; 248 struct in6_addrlifetime ifru_lifetime; 249 struct in6_ifstat ifru_stat; 250 struct icmp6_ifstat ifru_icmp6stat; 251 u_int32_t ifru_scope_id[16]; 252 } ifr_ifru; 253}; 254 255struct in6_aliasreq { 256 char ifra_name[IFNAMSIZ]; 257 struct sockaddr_in6 ifra_addr; 258 struct sockaddr_in6 ifra_dstaddr; 259 struct sockaddr_in6 ifra_prefixmask; 260 int ifra_flags; 261 struct in6_addrlifetime ifra_lifetime; 262}; 263 264/* prefix type macro */ 265#define IN6_PREFIX_ND 1 266#define IN6_PREFIX_RR 2 267 268/* 269 * prefix related flags passed between kernel(NDP related part) and 270 * user land command(ifconfig) and daemon(rtadvd). 271 */ 272struct in6_prflags { 273 struct prf_ra { 274 u_char onlink : 1; 275 u_char autonomous : 1; 276 u_char reserved : 6; 277 } prf_ra; 278 u_char prf_reserved1; 279 u_short prf_reserved2; 280 /* want to put this on 4byte offset */ 281 struct prf_rr { 282 u_char decrvalid : 1; 283 u_char decrprefd : 1; 284 u_char reserved : 6; 285 } prf_rr; 286 u_char prf_reserved3; 287 u_short prf_reserved4; 288}; 289 290struct in6_prefixreq { 291 char ipr_name[IFNAMSIZ]; 292 u_char ipr_origin; 293 u_char ipr_plen; 294 u_int32_t ipr_vltime; 295 u_int32_t ipr_pltime; 296 struct in6_prflags ipr_flags; 297 struct sockaddr_in6 ipr_prefix; 298}; 299 300#define PR_ORIG_RA 0 301#define PR_ORIG_RR 1 302#define PR_ORIG_STATIC 2 303#define PR_ORIG_KERNEL 3 304 305#define ipr_raf_onlink ipr_flags.prf_ra.onlink 306#define ipr_raf_auto ipr_flags.prf_ra.autonomous 307 308#define ipr_statef_onlink ipr_flags.prf_state.onlink 309 310#define ipr_rrf_decrvalid ipr_flags.prf_rr.decrvalid 311#define ipr_rrf_decrprefd ipr_flags.prf_rr.decrprefd 312 313struct in6_rrenumreq { 314 char irr_name[IFNAMSIZ]; 315 u_char irr_origin; 316 u_char irr_m_len; /* match len for matchprefix */ 317 u_char irr_m_minlen; /* minlen for matching prefix */ 318 u_char irr_m_maxlen; /* maxlen for matching prefix */ 319 u_char irr_u_uselen; /* uselen for adding prefix */ 320 u_char irr_u_keeplen; /* keeplen from matching prefix */ 321 struct irr_raflagmask { 322 u_char onlink : 1; 323 u_char autonomous : 1; 324 u_char reserved : 6; 325 } irr_raflagmask; 326 u_int32_t irr_vltime; 327 u_int32_t irr_pltime; 328 struct in6_prflags irr_flags; 329 struct sockaddr_in6 irr_matchprefix; 330 struct sockaddr_in6 irr_useprefix; 331}; 332 333#define irr_raf_mask_onlink irr_raflagmask.onlink 334#define irr_raf_mask_auto irr_raflagmask.autonomous 335#define irr_raf_mask_reserved irr_raflagmask.reserved 336 337#define irr_raf_onlink irr_flags.prf_ra.onlink 338#define irr_raf_auto irr_flags.prf_ra.autonomous 339 340#define irr_statef_onlink irr_flags.prf_state.onlink 341 342#define irr_rrf irr_flags.prf_rr 343#define irr_rrf_decrvalid irr_flags.prf_rr.decrvalid 344#define irr_rrf_decrprefd irr_flags.prf_rr.decrprefd 345 346#ifdef KERNEL_PRIVATE 347/* 348 * Given a pointer to an in6_ifaddr (ifaddr), 349 * return a pointer to the addr as a sockaddr_in6 350 */ 351#define IA6_IN6(ia) (&((ia)->ia_addr.sin6_addr)) 352#define IA6_DSTIN6(ia) (&((ia)->ia_dstaddr.sin6_addr)) 353#define IA6_MASKIN6(ia) (&((ia)->ia_prefixmask.sin6_addr)) 354#define IA6_SIN6(ia) (&((ia)->ia_addr)) 355#define IA6_DSTSIN6(ia) (&((ia)->ia_dstaddr)) 356#define IFA_IN6(x) (&((struct sockaddr_in6 *)((x)->ifa_addr))->sin6_addr) 357#define IFA_DSTIN6(x) (&((struct sockaddr_in6 *)((x)->ifa_dstaddr))->sin6_addr) 358 359#define IFPR_IN6(x) (&((struct sockaddr_in6 *)((x)->ifpr_prefix))->sin6_addr) 360#endif KERNEL_PRIVATE 361 362/* 363 * Event data, internet6 style. 364 */ 365 366struct kev_in6_data { 367 struct net_event_data link_data; 368 struct sockaddr_in6 ia_addr; /* interface address */ 369 struct sockaddr_in6 ia_net; /* network number of interface */ 370 struct sockaddr_in6 ia_dstaddr; /* space for destination addr */ 371 struct sockaddr_in6 ia_prefixmask; /* prefix mask */ 372 u_int32_t ia_plen; /* prefix length */ 373 u_int32_t ia6_flags; /* address flags from in6_ifaddr */ 374 struct in6_addrlifetime ia_lifetime; /* address life info */ 375}; 376 377 378/* 379 * Define inet6 event subclass and specific inet6 events. 380 */ 381 382#define KEV_INET6_SUBCLASS 6 /* inet6 subclass identifier */ 383 384#define KEV_INET6_NEW_USER_ADDR 1 /* Userland configured IPv6 address */ 385#define KEV_INET6_CHANGED_ADDR 2 /* Address changed event (future) */ 386#define KEV_INET6_ADDR_DELETED 3 /* IPv6 add. in ia_addr field was deleted */ 387#define KEV_INET6_NEW_LL_ADDR 4 /* Autoconfigured linklocal address has appeared */ 388#define KEV_INET6_NEW_RTADV_ADDR 5 /* Autoconf router advertised address has appeared */ 389#define KEV_INET6_DEFROUTER 6 /* Default router dectected by kernel */ 390 391#ifdef KERNEL_PRIVATE 392/* Utility function used inside netinet6 kernel code for generating events */ 393void in6_post_msg(struct ifnet *, u_long, struct in6_ifaddr *); 394#endif KERNEL_PRIVATE 395 396#define IN6_ARE_MASKED_ADDR_EQUAL(d, a, m) ( \ 397 (((d)->s6_addr32[0] ^ (a)->s6_addr32[0]) & (m)->s6_addr32[0]) == 0 && \ 398 (((d)->s6_addr32[1] ^ (a)->s6_addr32[1]) & (m)->s6_addr32[1]) == 0 && \ 399 (((d)->s6_addr32[2] ^ (a)->s6_addr32[2]) & (m)->s6_addr32[2]) == 0 && \ 400 (((d)->s6_addr32[3] ^ (a)->s6_addr32[3]) & (m)->s6_addr32[3]) == 0 ) 401 402#define SIOCSIFADDR_IN6 _IOW('i', 12, struct in6_ifreq) 403#define SIOCGIFADDR_IN6 _IOWR('i', 33, struct in6_ifreq) 404 405/* 406 * SIOCSxxx ioctls should be unused (see comments in in6.c), but 407 * we do not shift numbers for binary compatibility. 408 */ 409#define SIOCSIFDSTADDR_IN6 _IOW('i', 14, struct in6_ifreq) 410#define SIOCSIFNETMASK_IN6 _IOW('i', 22, struct in6_ifreq) 411 412#define SIOCGIFDSTADDR_IN6 _IOWR('i', 34, struct in6_ifreq) 413#define SIOCGIFNETMASK_IN6 _IOWR('i', 37, struct in6_ifreq) 414 415#define SIOCDIFADDR_IN6 _IOW('i', 25, struct in6_ifreq) 416#define SIOCAIFADDR_IN6 _IOW('i', 26, struct in6_aliasreq) 417 418#define SIOCSIFPHYADDR_IN6 _IOW('i', 62, struct in6_aliasreq) 419#define SIOCGIFPSRCADDR_IN6 _IOWR('i', 63, struct in6_ifreq) 420#define SIOCGIFPDSTADDR_IN6 _IOWR('i', 64, struct in6_ifreq) 421#define SIOCGIFAFLAG_IN6 _IOWR('i', 73, struct in6_ifreq) 422#define SIOCGDRLST_IN6 _IOWR('i', 74, struct in6_drlist) 423#define SIOCGPRLST_IN6 _IOWR('i', 75, struct in6_prlist) 424#define OSIOCGIFINFO_IN6 _IOWR('i', 108, struct in6_ondireq) 425#define SIOCGIFINFO_IN6 _IOWR('i', 76, struct in6_ondireq) 426#define SIOCSNDFLUSH_IN6 _IOWR('i', 77, struct in6_ifreq) 427#define SIOCGNBRINFO_IN6 _IOWR('i', 78, struct in6_nbrinfo) 428#define SIOCSPFXFLUSH_IN6 _IOWR('i', 79, struct in6_ifreq) 429#define SIOCSRTRFLUSH_IN6 _IOWR('i', 80, struct in6_ifreq) 430 431#define SIOCGIFALIFETIME_IN6 _IOWR('i', 81, struct in6_ifreq) 432#define SIOCSIFALIFETIME_IN6 _IOWR('i', 82, struct in6_ifreq) 433#define SIOCGIFSTAT_IN6 _IOWR('i', 83, struct in6_ifreq) 434#define SIOCGIFSTAT_ICMP6 _IOWR('i', 84, struct in6_ifreq) 435 436#define SIOCSDEFIFACE_IN6 _IOWR('i', 85, struct in6_ndifreq) 437#define SIOCGDEFIFACE_IN6 _IOWR('i', 86, struct in6_ndifreq) 438 439#define SIOCSIFINFO_FLAGS _IOWR('i', 87, struct in6_ndireq) /* XXX */ 440 441#define SIOCSSCOPE6 _IOW('i', 88, struct in6_ifreq) 442#define SIOCGSCOPE6 _IOWR('i', 89, struct in6_ifreq) 443#define SIOCGSCOPE6DEF _IOWR('i', 90, struct in6_ifreq) 444 445#define SIOCSIFPREFIX_IN6 _IOW('i', 100, struct in6_prefixreq) /* set */ 446#define SIOCGIFPREFIX_IN6 _IOWR('i', 101, struct in6_prefixreq) /* get */ 447#define SIOCDIFPREFIX_IN6 _IOW('i', 102, struct in6_prefixreq) /* del */ 448#define SIOCAIFPREFIX_IN6 _IOW('i', 103, struct in6_rrenumreq) /* add */ 449#define SIOCCIFPREFIX_IN6 _IOW('i', 104, \ 450 struct in6_rrenumreq) /* change */ 451#define SIOCSGIFPREFIX_IN6 _IOW('i', 105, \ 452 struct in6_rrenumreq) /* set global */ 453 454#define SIOCGETSGCNT_IN6 _IOWR('u', 28, \ 455 struct sioc_sg_req6) /* get s,g pkt cnt */ 456#define SIOCGETMIFCNT_IN6 _IOWR('u', 107, \ 457 struct sioc_mif_req6) /* get pkt cnt per if */ 458 459#ifdef PRIVATE 460/* 461 * temporary control calls to attach/detach IP to/from an ethernet interface 462 */ 463#define SIOCPROTOATTACH_IN6 _IOWR('i', 110, struct in6_aliasreq) /* attach proto to interface */ 464#define SIOCPROTODETACH_IN6 _IOWR('i', 111, struct in6_ifreq) /* detach proto from interface */ 465 466#define SIOCLL_START _IOWR('i', 130, struct in6_aliasreq) /* start aquiring linklocal on interface */ 467#define SIOCLL_STOP _IOWR('i', 131, struct in6_ifreq) /* deconfigure linklocal from interface */ 468#define SIOCAUTOCONF_START _IOWR('i', 132, struct in6_ifreq) /* accept rtadvd on this interface */ 469#define SIOCAUTOCONF_STOP _IOWR('i', 133, struct in6_ifreq) /* stop accepting rtadv for this interface */ 470#endif /* PRIVATE */ 471 472#define IN6_IFF_ANYCAST 0x01 /* anycast address */ 473#define IN6_IFF_TENTATIVE 0x02 /* tentative address */ 474#define IN6_IFF_DUPLICATED 0x04 /* DAD detected duplicate */ 475#define IN6_IFF_DETACHED 0x08 /* may be detached from the link */ 476#define IN6_IFF_DEPRECATED 0x10 /* deprecated address */ 477#define IN6_IFF_NODAD 0x20 /* don't perform DAD on this address 478 * (used only at first SIOC* call) 479 */ 480#define IN6_IFF_AUTOCONF 0x40 /* autoconfigurable address. */ 481#define IN6_IFF_TEMPORARY 0x80 /* temporary (anonymous) address. */ 482#define IN6_IFF_NOPFX 0x8000 /* skip kernel prefix management. 483 * XXX: this should be temporary. 484 */ 485 486/* do not input/output */ 487#define IN6_IFF_NOTREADY (IN6_IFF_TENTATIVE|IN6_IFF_DUPLICATED) 488 489#ifdef KERNEL 490#define IN6_ARE_SCOPE_CMP(a,b) ((a)-(b)) 491#define IN6_ARE_SCOPE_EQUAL(a,b) ((a)==(b)) 492#endif 493 494#ifdef KERNEL_PRIVATE 495extern struct in6_ifaddr *in6_ifaddrs; 496 497extern struct in6_ifstat **in6_ifstat; 498extern size_t in6_ifstatmax; 499extern struct icmp6stat icmp6stat; 500extern struct icmp6_ifstat **icmp6_ifstat; 501extern size_t icmp6_ifstatmax; 502#define in6_ifstat_inc(ifp, tag) \ 503do { \ 504 int _z_index = ifp ? ifp->if_index : 0; \ 505 if ((_z_index) && _z_index <= if_index \ 506 && _z_index < in6_ifstatmax \ 507 && in6_ifstat && in6_ifstat[_z_index]) { \ 508 in6_ifstat[_z_index]->tag++; \ 509 } \ 510} while (0) 511 512extern struct ifqueue ip6intrq; /* IP6 packet input queue */ 513extern struct in6_addr zeroin6_addr; 514extern u_char inet6ctlerrmap[]; 515extern unsigned long in6_maxmtu; 516#ifdef MALLOC_DECLARE 517MALLOC_DECLARE(M_IPMADDR); 518#endif MALLOC_DECLARE 519 520/* 521 * Macro for finding the internet address structure (in6_ifaddr) corresponding 522 * to a given interface (ifnet structure). 523 */ 524 525#define IFP_TO_IA6(ifp, ia) \ 526/* struct ifnet *ifp; */ \ 527/* struct in6_ifaddr *ia; */ \ 528do { \ 529 struct ifaddr *ifa; \ 530 for (ifa = (ifp)->if_addrlist.tqh_first; ifa; ifa = ifa->ifa_list.tqe_next) { \ 531 if (!ifa->ifa_addr) \ 532 continue; \ 533 if (ifa->ifa_addr->sa_family == AF_INET6) \ 534 break; \ 535 } \ 536 (ia) = (struct in6_ifaddr *)ifa; \ 537} while (0) 538 539/* 540 * Multi-cast membership entry. One for each group/ifp that a PCB 541 * belongs to. 542 */ 543struct in6_multi_mship { 544 struct in6_multi *i6mm_maddr; /* Multicast address pointer */ 545 LIST_ENTRY(in6_multi_mship) i6mm_chain; /* multicast options chain */ 546}; 547 548struct in6_multi { 549 LIST_ENTRY(in6_multi) in6m_entry; /* list glue */ 550 struct in6_addr in6m_addr; /* IP6 multicast address */ 551 struct ifnet *in6m_ifp; /* back pointer to ifnet */ 552 struct ifmultiaddr *in6m_ifma; /* back pointer to ifmultiaddr */ 553 u_int in6m_refcount; /* # membership claims by sockets */ 554 u_int in6m_state; /* state of the membership */ 555 u_int in6m_timer; /* MLD6 listener report timer */ 556}; 557 558extern LIST_HEAD(in6_multihead, in6_multi) in6_multihead; 559 560/* 561 * Structure used by macros below to remember position when stepping through 562 * all of the in6_multi records. 563 */ 564struct in6_multistep { 565 struct in6_ifaddr *i_ia; 566 struct in6_multi *i_in6m; 567}; 568 569/* 570 * Macros for looking up the in6_multi record for a given IP6 multicast 571 * address on a given interface. If no matching record is found, "in6m" 572 * returns NLL. 573 */ 574 575#define IN6_LOOKUP_MULTI(addr, ifp, in6m) \ 576/* struct in6_addr addr; */ \ 577/* struct ifnet *ifp; */ \ 578/* struct in6_multi *in6m; */ \ 579do { \ 580 struct ifmultiaddr *_ifma; \ 581 for (_ifma = (ifp)->if_multiaddrs.lh_first; _ifma; \ 582 _ifma = _ifma->ifma_link.le_next) { \ 583 if (_ifma->ifma_addr->sa_family == AF_INET6 \ 584 && IN6_ARE_ADDR_EQUAL(&((struct sockaddr_in6 *)_ifma->ifma_addr)->sin6_addr, \ 585 &(addr))) \ 586 break; \ 587 } \ 588 (in6m) = (struct in6_multi *)(_ifma ? _ifma->ifma_protospec : 0); \ 589} while(0) 590 591/* 592 * Macro to step through all of the in6_multi records, one at a time. 593 * The current position is remembered in "step", which the caller must 594 * provide. IN6_FIRST_MULTI(), below, must be called to initialize "step" 595 * and get the first record. Both macros return a NULL "in6m" when there 596 * are no remaining records. 597 */ 598#define IN6_NEXT_MULTI(step, in6m) \ 599/* struct in6_multistep step; */ \ 600/* struct in6_multi *in6m; */ \ 601do { \ 602 if (((in6m) = (step).i_in6m) != NULL) \ 603 (step).i_in6m = (step).i_in6m->in6m_entry.le_next; \ 604} while(0) 605 606#define IN6_FIRST_MULTI(step, in6m) \ 607/* struct in6_multistep step; */ \ 608/* struct in6_multi *in6m */ \ 609do { \ 610 (step).i_in6m = in6_multihead.lh_first; \ 611 IN6_NEXT_MULTI((step), (in6m)); \ 612} while(0) 613 614struct in6_multi *in6_addmulti __P((struct in6_addr *, struct ifnet *, 615 int *, int)); 616void in6_delmulti __P((struct in6_multi *, int)); 617extern int in6_ifindex2scopeid __P((int)); 618extern int in6_mask2len __P((struct in6_addr *, u_char *)); 619extern void in6_len2mask __P((struct in6_addr *, int)); 620int in6_control __P((struct socket *, 621 u_long, caddr_t, struct ifnet *, struct proc *)); 622int in6_update_ifa __P((struct ifnet *, struct in6_aliasreq *, 623 struct in6_ifaddr *)); 624void in6_purgeaddr __P((struct ifaddr *, int)); 625int in6if_do_dad __P((struct ifnet *)); 626void in6_purgeif __P((struct ifnet *)); 627void in6_savemkludge __P((struct in6_ifaddr *)); 628void in6_setmaxmtu __P((void)); 629void in6_restoremkludge __P((struct in6_ifaddr *, struct ifnet *)); 630void in6_purgemkludge __P((struct ifnet *)); 631struct in6_ifaddr *in6ifa_ifpforlinklocal __P((struct ifnet *, int)); 632struct in6_ifaddr *in6ifa_ifpwithaddr __P((struct ifnet *, 633 struct in6_addr *)); 634char *ip6_sprintf __P((const struct in6_addr *)); 635int in6_addr2scopeid __P((struct ifnet *, struct in6_addr *)); 636int in6_matchlen __P((struct in6_addr *, struct in6_addr *)); 637int in6_are_prefix_equal __P((struct in6_addr *p1, struct in6_addr *p2, 638 int len)); 639void in6_prefixlen2mask __P((struct in6_addr *maskp, int len)); 640int in6_prefix_ioctl __P((struct socket *so, u_long cmd, caddr_t data, 641 struct ifnet *ifp)); 642int in6_prefix_add_ifid __P((int iilen, struct in6_ifaddr *ia)); 643void in6_prefix_remove_ifid __P((int iilen, struct in6_ifaddr *ia)); 644void in6_purgeprefix __P((struct ifnet *)); 645 646int in6_is_addr_deprecated __P((struct sockaddr_in6 *)); 647struct inpcb; 648int in6_embedscope __P((struct in6_addr *, const struct sockaddr_in6 *, 649 struct inpcb *, struct ifnet **)); 650int in6_recoverscope __P((struct sockaddr_in6 *, const struct in6_addr *, 651 struct ifnet *)); 652void in6_clearscope __P((struct in6_addr *)); 653#endif /* KERNEL_PRIVATE */ 654 655#endif /* _NETINET6_IN6_VAR_H_ */ 656