| 1 | /* $NetBSD: in6_var.h,v 1.87 2016/09/14 16:17:17 christos Exp $ */ |
| 2 | /* $KAME: in6_var.h,v 1.81 2002/06/08 11:16:51 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. Neither the name of the University nor the names of its contributors |
| 46 | * may be used to endorse or promote products derived from this software |
| 47 | * without specific prior written permission. |
| 48 | * |
| 49 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| 50 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 51 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 52 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| 53 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 54 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 55 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 56 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 57 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 58 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 59 | * SUCH DAMAGE. |
| 60 | * |
| 61 | * @(#)in_var.h 8.1 (Berkeley) 6/10/93 |
| 62 | */ |
| 63 | |
| 64 | #ifndef _NETINET6_IN6_VAR_H_ |
| 65 | #define _NETINET6_IN6_VAR_H_ |
| 66 | |
| 67 | #include <sys/callout.h> |
| 68 | #include <sys/ioccom.h> |
| 69 | |
| 70 | /* |
| 71 | * Interface address, Internet version. One of these structures |
| 72 | * is allocated for each interface with an Internet address. |
| 73 | * The ifaddr structure contains the protocol-independent part |
| 74 | * of the structure and is assumed to be first. |
| 75 | */ |
| 76 | |
| 77 | /* |
| 78 | * pltime/vltime are just for future reference (required to implements 2 |
| 79 | * hour rule for hosts). they should never be modified by nd6_timeout or |
| 80 | * anywhere else. |
| 81 | * userland -> kernel: accept pltime/vltime |
| 82 | * kernel -> userland: throw up everything |
| 83 | * in kernel: modify preferred/expire only |
| 84 | */ |
| 85 | struct in6_addrlifetime { |
| 86 | time_t ia6t_expire; /* valid lifetime expiration time */ |
| 87 | time_t ia6t_preferred; /* preferred lifetime expiration time */ |
| 88 | u_int32_t ia6t_vltime; /* valid lifetime */ |
| 89 | u_int32_t ia6t_pltime; /* prefix lifetime */ |
| 90 | }; |
| 91 | |
| 92 | struct lltable; |
| 93 | struct nd_ifinfo; |
| 94 | struct { |
| 95 | struct in6_ifstat *; |
| 96 | struct icmp6_ifstat *; |
| 97 | struct nd_ifinfo *; |
| 98 | struct scope6_id *; |
| 99 | int ; |
| 100 | int ; |
| 101 | struct lltable *; |
| 102 | }; |
| 103 | |
| 104 | LIST_HEAD(in6_multihead, in6_multi); |
| 105 | struct in6_ifaddr { |
| 106 | struct ifaddr ia_ifa; /* protocol-independent info */ |
| 107 | #define ia_ifp ia_ifa.ifa_ifp |
| 108 | #define ia_flags ia_ifa.ifa_flags |
| 109 | struct sockaddr_in6 ia_addr; /* interface address */ |
| 110 | struct sockaddr_in6 ia_net; /* network number of interface */ |
| 111 | struct sockaddr_in6 ia_dstaddr; /* space for destination addr */ |
| 112 | struct sockaddr_in6 ia_prefixmask; /* prefix mask */ |
| 113 | u_int32_t ia_plen; /* prefix length */ |
| 114 | /* DEPRECATED. Keep it to avoid breaking kvm(3) users */ |
| 115 | struct in6_ifaddr *ia_next; /* next in6 list of IP6 addresses */ |
| 116 | struct in6_multihead ia6_multiaddrs; |
| 117 | /* list of multicast addresses */ |
| 118 | int ia6_flags; |
| 119 | |
| 120 | struct in6_addrlifetime ia6_lifetime; |
| 121 | time_t ia6_createtime; /* the creation time of this address, which is |
| 122 | * currently used for temporary addresses only. |
| 123 | */ |
| 124 | time_t ia6_updatetime; |
| 125 | |
| 126 | /* back pointer to the ND prefix (for autoconfigured addresses only) */ |
| 127 | struct nd_prefix *ia6_ndpr; |
| 128 | |
| 129 | /* multicast addresses joined from the kernel */ |
| 130 | LIST_HEAD(, in6_multi_mship) ia6_memberships; |
| 131 | |
| 132 | #ifdef _KERNEL |
| 133 | struct pslist_entry ia6_pslist_entry; |
| 134 | #endif |
| 135 | }; |
| 136 | |
| 137 | #ifdef _KERNEL |
| 138 | static inline void |
| 139 | ia6_acquire(struct in6_ifaddr *ia, struct psref *psref) |
| 140 | { |
| 141 | |
| 142 | KASSERT(ia != NULL); |
| 143 | ifa_acquire(&ia->ia_ifa, psref); |
| 144 | } |
| 145 | |
| 146 | static inline void |
| 147 | ia6_release(struct in6_ifaddr *ia, struct psref *psref) |
| 148 | { |
| 149 | |
| 150 | if (ia == NULL) |
| 151 | return; |
| 152 | ifa_release(&ia->ia_ifa, psref); |
| 153 | } |
| 154 | #endif |
| 155 | |
| 156 | /* control structure to manage address selection policy */ |
| 157 | struct in6_addrpolicy { |
| 158 | struct sockaddr_in6 addr; /* prefix address */ |
| 159 | struct sockaddr_in6 addrmask; /* prefix mask */ |
| 160 | int preced; /* precedence */ |
| 161 | int label; /* matching label */ |
| 162 | u_quad_t use; /* statistics */ |
| 163 | }; |
| 164 | |
| 165 | /* |
| 166 | * IPv6 interface statistics, as defined in RFC2465 Ipv6IfStatsEntry (p12). |
| 167 | */ |
| 168 | struct in6_ifstat { |
| 169 | u_quad_t ifs6_in_receive; /* # of total input datagram */ |
| 170 | u_quad_t ifs6_in_hdrerr; /* # of datagrams with invalid hdr */ |
| 171 | u_quad_t ifs6_in_toobig; /* # of datagrams exceeded MTU */ |
| 172 | u_quad_t ifs6_in_noroute; /* # of datagrams with no route */ |
| 173 | u_quad_t ifs6_in_addrerr; /* # of datagrams with invalid dst */ |
| 174 | u_quad_t ifs6_in_protounknown; /* # of datagrams with unknown proto */ |
| 175 | /* NOTE: increment on final dst if */ |
| 176 | u_quad_t ifs6_in_truncated; /* # of truncated datagrams */ |
| 177 | u_quad_t ifs6_in_discard; /* # of discarded datagrams */ |
| 178 | /* NOTE: fragment timeout is not here */ |
| 179 | u_quad_t ifs6_in_deliver; /* # of datagrams delivered to ULP */ |
| 180 | /* NOTE: increment on final dst if */ |
| 181 | u_quad_t ifs6_out_forward; /* # of datagrams forwarded */ |
| 182 | /* NOTE: increment on outgoing if */ |
| 183 | u_quad_t ifs6_out_request; /* # of outgoing datagrams from ULP */ |
| 184 | /* NOTE: does not include forwrads */ |
| 185 | u_quad_t ifs6_out_discard; /* # of discarded datagrams */ |
| 186 | u_quad_t ifs6_out_fragok; /* # of datagrams fragmented */ |
| 187 | u_quad_t ifs6_out_fragfail; /* # of datagrams failed on fragment */ |
| 188 | u_quad_t ifs6_out_fragcreat; /* # of fragment datagrams */ |
| 189 | /* NOTE: this is # after fragment */ |
| 190 | u_quad_t ifs6_reass_reqd; /* # of incoming fragmented packets */ |
| 191 | /* NOTE: increment on final dst if */ |
| 192 | u_quad_t ifs6_reass_ok; /* # of reassembled packets */ |
| 193 | /* NOTE: this is # after reass */ |
| 194 | /* NOTE: increment on final dst if */ |
| 195 | u_quad_t ifs6_reass_fail; /* # of reass failures */ |
| 196 | /* NOTE: may not be packet count */ |
| 197 | /* NOTE: increment on final dst if */ |
| 198 | u_quad_t ifs6_in_mcast; /* # of inbound multicast datagrams */ |
| 199 | u_quad_t ifs6_out_mcast; /* # of outbound multicast datagrams */ |
| 200 | }; |
| 201 | |
| 202 | /* |
| 203 | * ICMPv6 interface statistics, as defined in RFC2466 Ipv6IfIcmpEntry. |
| 204 | * XXX: I'm not sure if this file is the right place for this structure... |
| 205 | */ |
| 206 | struct icmp6_ifstat { |
| 207 | /* |
| 208 | * Input statistics |
| 209 | */ |
| 210 | /* ipv6IfIcmpInMsgs, total # of input messages */ |
| 211 | u_quad_t ifs6_in_msg; |
| 212 | /* ipv6IfIcmpInErrors, # of input error messages */ |
| 213 | u_quad_t ifs6_in_error; |
| 214 | /* ipv6IfIcmpInDestUnreachs, # of input dest unreach errors */ |
| 215 | u_quad_t ifs6_in_dstunreach; |
| 216 | /* ipv6IfIcmpInAdminProhibs, # of input administratively prohibited errs */ |
| 217 | u_quad_t ifs6_in_adminprohib; |
| 218 | /* ipv6IfIcmpInTimeExcds, # of input time exceeded errors */ |
| 219 | u_quad_t ifs6_in_timeexceed; |
| 220 | /* ipv6IfIcmpInParmProblems, # of input parameter problem errors */ |
| 221 | u_quad_t ifs6_in_paramprob; |
| 222 | /* ipv6IfIcmpInPktTooBigs, # of input packet too big errors */ |
| 223 | u_quad_t ifs6_in_pkttoobig; |
| 224 | /* ipv6IfIcmpInEchos, # of input echo requests */ |
| 225 | u_quad_t ifs6_in_echo; |
| 226 | /* ipv6IfIcmpInEchoReplies, # of input echo replies */ |
| 227 | u_quad_t ifs6_in_echoreply; |
| 228 | /* ipv6IfIcmpInRouterSolicits, # of input router solicitations */ |
| 229 | u_quad_t ifs6_in_routersolicit; |
| 230 | /* ipv6IfIcmpInRouterAdvertisements, # of input router advertisements */ |
| 231 | u_quad_t ifs6_in_routeradvert; |
| 232 | /* ipv6IfIcmpInNeighborSolicits, # of input neighbor solicitations */ |
| 233 | u_quad_t ifs6_in_neighborsolicit; |
| 234 | /* ipv6IfIcmpInNeighborAdvertisements, # of input neighbor advertisements */ |
| 235 | u_quad_t ifs6_in_neighboradvert; |
| 236 | /* ipv6IfIcmpInRedirects, # of input redirects */ |
| 237 | u_quad_t ifs6_in_redirect; |
| 238 | /* ipv6IfIcmpInGroupMembQueries, # of input MLD queries */ |
| 239 | u_quad_t ifs6_in_mldquery; |
| 240 | /* ipv6IfIcmpInGroupMembResponses, # of input MLD reports */ |
| 241 | u_quad_t ifs6_in_mldreport; |
| 242 | /* ipv6IfIcmpInGroupMembReductions, # of input MLD done */ |
| 243 | u_quad_t ifs6_in_mlddone; |
| 244 | |
| 245 | /* |
| 246 | * Output statistics. We should solve unresolved routing problem... |
| 247 | */ |
| 248 | /* ipv6IfIcmpOutMsgs, total # of output messages */ |
| 249 | u_quad_t ifs6_out_msg; |
| 250 | /* ipv6IfIcmpOutErrors, # of output error messages */ |
| 251 | u_quad_t ifs6_out_error; |
| 252 | /* ipv6IfIcmpOutDestUnreachs, # of output dest unreach errors */ |
| 253 | u_quad_t ifs6_out_dstunreach; |
| 254 | /* ipv6IfIcmpOutAdminProhibs, # of output administratively prohibited errs */ |
| 255 | u_quad_t ifs6_out_adminprohib; |
| 256 | /* ipv6IfIcmpOutTimeExcds, # of output time exceeded errors */ |
| 257 | u_quad_t ifs6_out_timeexceed; |
| 258 | /* ipv6IfIcmpOutParmProblems, # of output parameter problem errors */ |
| 259 | u_quad_t ifs6_out_paramprob; |
| 260 | /* ipv6IfIcmpOutPktTooBigs, # of output packet too big errors */ |
| 261 | u_quad_t ifs6_out_pkttoobig; |
| 262 | /* ipv6IfIcmpOutEchos, # of output echo requests */ |
| 263 | u_quad_t ifs6_out_echo; |
| 264 | /* ipv6IfIcmpOutEchoReplies, # of output echo replies */ |
| 265 | u_quad_t ifs6_out_echoreply; |
| 266 | /* ipv6IfIcmpOutRouterSolicits, # of output router solicitations */ |
| 267 | u_quad_t ifs6_out_routersolicit; |
| 268 | /* ipv6IfIcmpOutRouterAdvertisements, # of output router advertisements */ |
| 269 | u_quad_t ifs6_out_routeradvert; |
| 270 | /* ipv6IfIcmpOutNeighborSolicits, # of output neighbor solicitations */ |
| 271 | u_quad_t ifs6_out_neighborsolicit; |
| 272 | /* ipv6IfIcmpOutNeighborAdvertisements, # of output neighbor advertisements */ |
| 273 | u_quad_t ifs6_out_neighboradvert; |
| 274 | /* ipv6IfIcmpOutRedirects, # of output redirects */ |
| 275 | u_quad_t ifs6_out_redirect; |
| 276 | /* ipv6IfIcmpOutGroupMembQueries, # of output MLD queries */ |
| 277 | u_quad_t ifs6_out_mldquery; |
| 278 | /* ipv6IfIcmpOutGroupMembResponses, # of output MLD reports */ |
| 279 | u_quad_t ifs6_out_mldreport; |
| 280 | /* ipv6IfIcmpOutGroupMembReductions, # of output MLD done */ |
| 281 | u_quad_t ifs6_out_mlddone; |
| 282 | }; |
| 283 | |
| 284 | /* |
| 285 | * If you make changes that change the size of in6_ifreq, |
| 286 | * make sure you fix compat/netinet6/in6_var.h |
| 287 | */ |
| 288 | struct in6_ifreq { |
| 289 | char ifr_name[IFNAMSIZ]; |
| 290 | union { |
| 291 | struct sockaddr_in6 ifru_addr; |
| 292 | struct sockaddr_in6 ifru_dstaddr; |
| 293 | short ifru_flags; |
| 294 | int ifru_flags6; |
| 295 | int ifru_metric; |
| 296 | void * ifru_data; |
| 297 | struct in6_addrlifetime ifru_lifetime; |
| 298 | struct in6_ifstat ifru_stat; |
| 299 | struct icmp6_ifstat ifru_icmp6stat; |
| 300 | } ifr_ifru; |
| 301 | }; |
| 302 | |
| 303 | struct in6_aliasreq { |
| 304 | char ifra_name[IFNAMSIZ]; |
| 305 | struct sockaddr_in6 ifra_addr; |
| 306 | struct sockaddr_in6 ifra_dstaddr; |
| 307 | struct sockaddr_in6 ifra_prefixmask; |
| 308 | int ifra_flags; |
| 309 | struct in6_addrlifetime ifra_lifetime; |
| 310 | }; |
| 311 | |
| 312 | /* prefix type macro */ |
| 313 | #define IN6_PREFIX_ND 1 |
| 314 | #define IN6_PREFIX_RR 2 |
| 315 | |
| 316 | /* |
| 317 | * prefix related flags passed between kernel(NDP related part) and |
| 318 | * user land command(ifconfig) and daemon(rtadvd). |
| 319 | * Note: We originally intended to use prf_ra{} only within in6_prflags{}, but |
| 320 | * it was (probably unintentionally) used in nd6.h as well. Since C++ does |
| 321 | * not allow such a reference, prf_ra{} was then moved outside. In general, |
| 322 | * however, this structure should not be used directly. |
| 323 | */ |
| 324 | struct prf_ra { |
| 325 | u_int32_t onlink : 1; |
| 326 | u_int32_t autonomous : 1; |
| 327 | u_int32_t router : 1; |
| 328 | u_int32_t reserved : 5; |
| 329 | }; |
| 330 | |
| 331 | struct in6_prflags { |
| 332 | struct prf_ra prf_ra; |
| 333 | u_char prf_reserved1; |
| 334 | u_short prf_reserved2; |
| 335 | /* want to put this on 4byte offset */ |
| 336 | struct prf_rr { |
| 337 | u_int32_t decrvalid : 1; |
| 338 | u_int32_t decrprefd : 1; |
| 339 | u_int32_t reserved : 6; |
| 340 | } prf_rr; |
| 341 | u_char prf_reserved3; |
| 342 | u_short prf_reserved4; |
| 343 | }; |
| 344 | |
| 345 | struct in6_prefixreq { |
| 346 | char ipr_name[IFNAMSIZ]; |
| 347 | u_char ipr_origin; |
| 348 | u_char ipr_plen; |
| 349 | u_int32_t ipr_vltime; |
| 350 | u_int32_t ipr_pltime; |
| 351 | struct in6_prflags ipr_flags; |
| 352 | struct sockaddr_in6 ipr_prefix; |
| 353 | }; |
| 354 | |
| 355 | #define PR_ORIG_RA 0 |
| 356 | #define PR_ORIG_RR 1 |
| 357 | #define PR_ORIG_STATIC 2 |
| 358 | #define PR_ORIG_KERNEL 3 |
| 359 | |
| 360 | #define ipr_raf_onlink ipr_flags.prf_ra.onlink |
| 361 | #define ipr_raf_auto ipr_flags.prf_ra.autonomous |
| 362 | |
| 363 | #define ipr_statef_onlink ipr_flags.prf_state.onlink |
| 364 | |
| 365 | #define ipr_rrf_decrvalid ipr_flags.prf_rr.decrvalid |
| 366 | #define ipr_rrf_decrprefd ipr_flags.prf_rr.decrprefd |
| 367 | |
| 368 | struct in6_rrenumreq { |
| 369 | char irr_name[IFNAMSIZ]; |
| 370 | u_char irr_origin; |
| 371 | u_char irr_m_len; /* match len for matchprefix */ |
| 372 | u_char irr_m_minlen; /* minlen for matching prefix */ |
| 373 | u_char irr_m_maxlen; /* maxlen for matching prefix */ |
| 374 | u_char irr_u_uselen; /* uselen for adding prefix */ |
| 375 | u_char irr_u_keeplen; /* keeplen from matching prefix */ |
| 376 | struct irr_raflagmask { |
| 377 | u_int32_t onlink : 1; |
| 378 | u_int32_t autonomous : 1; |
| 379 | u_int32_t reserved : 6; |
| 380 | } irr_raflagmask; |
| 381 | u_int32_t irr_vltime; |
| 382 | u_int32_t irr_pltime; |
| 383 | struct in6_prflags irr_flags; |
| 384 | struct sockaddr_in6 irr_matchprefix; |
| 385 | struct sockaddr_in6 irr_useprefix; |
| 386 | }; |
| 387 | |
| 388 | #define irr_raf_mask_onlink irr_raflagmask.onlink |
| 389 | #define irr_raf_mask_auto irr_raflagmask.autonomous |
| 390 | #define irr_raf_mask_reserved irr_raflagmask.reserved |
| 391 | |
| 392 | #define irr_raf_onlink irr_flags.prf_ra.onlink |
| 393 | #define irr_raf_auto irr_flags.prf_ra.autonomous |
| 394 | |
| 395 | #define irr_statef_onlink irr_flags.prf_state.onlink |
| 396 | |
| 397 | #define irr_rrf irr_flags.prf_rr |
| 398 | #define irr_rrf_decrvalid irr_flags.prf_rr.decrvalid |
| 399 | #define irr_rrf_decrprefd irr_flags.prf_rr.decrprefd |
| 400 | |
| 401 | /* |
| 402 | * Given a pointer to an in6_ifaddr (ifaddr), |
| 403 | * return a pointer to the addr as a sockaddr_in6 |
| 404 | */ |
| 405 | #define IA6_IN6(ia) (&((ia)->ia_addr.sin6_addr)) |
| 406 | #define IA6_DSTIN6(ia) (&((ia)->ia_dstaddr.sin6_addr)) |
| 407 | #define IA6_MASKIN6(ia) (&((ia)->ia_prefixmask.sin6_addr)) |
| 408 | #define IA6_SIN6(ia) (&((ia)->ia_addr)) |
| 409 | #define IA6_DSTSIN6(ia) (&((ia)->ia_dstaddr)) |
| 410 | #define IFA_IN6(x) (&((struct sockaddr_in6 *)((x)->ifa_addr))->sin6_addr) |
| 411 | #define IFA_DSTIN6(x) (&((struct sockaddr_in6 *)((x)->ifa_dstaddr))->sin6_addr) |
| 412 | |
| 413 | #ifdef _KERNEL |
| 414 | #define IN6_ARE_MASKED_ADDR_EQUAL(d, a, m) ( \ |
| 415 | (((d)->s6_addr32[0] ^ (a)->s6_addr32[0]) & (m)->s6_addr32[0]) == 0 && \ |
| 416 | (((d)->s6_addr32[1] ^ (a)->s6_addr32[1]) & (m)->s6_addr32[1]) == 0 && \ |
| 417 | (((d)->s6_addr32[2] ^ (a)->s6_addr32[2]) & (m)->s6_addr32[2]) == 0 && \ |
| 418 | (((d)->s6_addr32[3] ^ (a)->s6_addr32[3]) & (m)->s6_addr32[3]) == 0 ) |
| 419 | #endif |
| 420 | |
| 421 | #define SIOCSIFADDR_IN6 _IOW('i', 12, struct in6_ifreq) |
| 422 | #define SIOCGIFADDR_IN6 _IOWR('i', 33, struct in6_ifreq) |
| 423 | |
| 424 | #ifdef _KERNEL |
| 425 | /* |
| 426 | * SIOCSxxx ioctls should be unused (see comments in in6.c), but |
| 427 | * we do not shift numbers for binary compatibility. |
| 428 | */ |
| 429 | #define SIOCSIFDSTADDR_IN6 _IOW('i', 14, struct in6_ifreq) |
| 430 | #define SIOCSIFNETMASK_IN6 _IOW('i', 22, struct in6_ifreq) |
| 431 | #endif |
| 432 | |
| 433 | #define SIOCGIFDSTADDR_IN6 _IOWR('i', 34, struct in6_ifreq) |
| 434 | #define SIOCGIFNETMASK_IN6 _IOWR('i', 37, struct in6_ifreq) |
| 435 | |
| 436 | #define SIOCDIFADDR_IN6 _IOW('i', 25, struct in6_ifreq) |
| 437 | /* 26 was OSIOCAIFADDR_IN6 */ |
| 438 | |
| 439 | /* 70 was OSIOCSIFPHYADDR_IN6 */ |
| 440 | #define SIOCGIFPSRCADDR_IN6 _IOWR('i', 71, struct in6_ifreq) |
| 441 | #define SIOCGIFPDSTADDR_IN6 _IOWR('i', 72, struct in6_ifreq) |
| 442 | |
| 443 | #define SIOCGIFAFLAG_IN6 _IOWR('i', 73, struct in6_ifreq) |
| 444 | |
| 445 | #define SIOCGDRLST_IN6 _IOWR('i', 74, struct in6_drlist) |
| 446 | #define SIOCGPRLST_IN6 _IOWR('i', 75, struct in6_oprlist) |
| 447 | #ifdef _KERNEL |
| 448 | #define OSIOCGIFINFO_IN6 _IOWR('i', 76, struct in6_ondireq) |
| 449 | #endif |
| 450 | #define SIOCSNDFLUSH_IN6 _IOWR('i', 77, struct in6_ifreq) |
| 451 | #define SIOCGNBRINFO_IN6 _IOWR('i', 78, struct in6_nbrinfo) |
| 452 | #define SIOCSPFXFLUSH_IN6 _IOWR('i', 79, struct in6_ifreq) |
| 453 | #define SIOCSRTRFLUSH_IN6 _IOWR('i', 80, struct in6_ifreq) |
| 454 | /* 81 was old SIOCGIFALIFETIME_IN6 */ |
| 455 | #if 0 |
| 456 | /* withdrawn - do not reuse number 82 */ |
| 457 | #define SIOCSIFALIFETIME_IN6 _IOWR('i', 82, struct in6_ifreq) |
| 458 | #endif |
| 459 | #define SIOCGIFSTAT_IN6 _IOWR('i', 83, struct in6_ifreq) |
| 460 | #define SIOCGIFSTAT_ICMP6 _IOWR('i', 84, struct in6_ifreq) |
| 461 | |
| 462 | #define SIOCSDEFIFACE_IN6 _IOWR('i', 85, struct in6_ndifreq) |
| 463 | #define SIOCGDEFIFACE_IN6 _IOWR('i', 86, struct in6_ndifreq) |
| 464 | |
| 465 | #define SIOCSIFINFO_FLAGS _IOWR('i', 87, struct in6_ndireq) /* XXX */ |
| 466 | |
| 467 | #define SIOCSIFPREFIX_IN6 _IOW('i', 100, struct in6_prefixreq) /* set */ |
| 468 | #define SIOCGIFPREFIX_IN6 _IOWR('i', 101, struct in6_prefixreq) /* get */ |
| 469 | #define SIOCDIFPREFIX_IN6 _IOW('i', 102, struct in6_prefixreq) /* del */ |
| 470 | #define SIOCAIFPREFIX_IN6 _IOW('i', 103, struct in6_rrenumreq) /* add */ |
| 471 | #define SIOCCIFPREFIX_IN6 _IOW('i', 104, \ |
| 472 | struct in6_rrenumreq) /* change */ |
| 473 | #define SIOCSGIFPREFIX_IN6 _IOW('i', 105, \ |
| 474 | struct in6_rrenumreq) /* set global */ |
| 475 | #define SIOCGIFALIFETIME_IN6 _IOWR('i', 106, struct in6_ifreq) |
| 476 | #define SIOCAIFADDR_IN6 _IOW('i', 107, struct in6_aliasreq) |
| 477 | #define SIOCGIFINFO_IN6 _IOWR('i', 108, struct in6_ndireq) |
| 478 | #define SIOCSIFINFO_IN6 _IOWR('i', 109, struct in6_ndireq) |
| 479 | #define SIOCSIFPHYADDR_IN6 _IOW('i', 110, struct in6_aliasreq) |
| 480 | |
| 481 | |
| 482 | /* XXX: Someone decided to switch to 'u' here for unknown reasons! */ |
| 483 | #define SIOCGETSGCNT_IN6 _IOWR('u', 106, \ |
| 484 | struct sioc_sg_req6) /* get s,g pkt cnt */ |
| 485 | #define SIOCGETMIFCNT_IN6 _IOWR('u', 107, \ |
| 486 | struct sioc_mif_req6) /* get pkt cnt per if */ |
| 487 | #define SIOCAADDRCTL_POLICY _IOW('u', 108, struct in6_addrpolicy) |
| 488 | #define SIOCDADDRCTL_POLICY _IOW('u', 109, struct in6_addrpolicy) |
| 489 | |
| 490 | #define IN6_IFF_ANYCAST 0x01 /* anycast address */ |
| 491 | #define IN6_IFF_TENTATIVE 0x02 /* tentative address */ |
| 492 | #define IN6_IFF_DUPLICATED 0x04 /* DAD detected duplicate */ |
| 493 | #define IN6_IFF_DETACHED 0x08 /* may be detached from the link */ |
| 494 | #define IN6_IFF_DEPRECATED 0x10 /* deprecated address */ |
| 495 | #define IN6_IFF_NODAD 0x20 /* don't perform DAD on this address |
| 496 | * (used only at first SIOC* call) |
| 497 | */ |
| 498 | #define IN6_IFF_AUTOCONF 0x40 /* autoconfigurable address. */ |
| 499 | #define IN6_IFF_TEMPORARY 0x80 /* temporary (anonymous) address. */ |
| 500 | |
| 501 | #define IN6_IFFBITS \ |
| 502 | "\020\1ANYCAST\2TENTATIVE\3DUPLICATED\4DETACHED\5DEPRECATED\6NODAD" \ |
| 503 | "\7AUTOCONF\10TEMPORARY" |
| 504 | |
| 505 | |
| 506 | /* do not input/output */ |
| 507 | #define IN6_IFF_NOTREADY (IN6_IFF_TENTATIVE|IN6_IFF_DUPLICATED) |
| 508 | |
| 509 | #ifdef _KERNEL |
| 510 | #define IN6_ARE_SCOPE_CMP(a,b) ((a)-(b)) |
| 511 | #define IN6_ARE_SCOPE_EQUAL(a,b) ((a)==(b)) |
| 512 | #endif |
| 513 | |
| 514 | #ifdef _KERNEL |
| 515 | |
| 516 | #include <sys/mutex.h> |
| 517 | #include <sys/pserialize.h> |
| 518 | |
| 519 | #include <net/pktqueue.h> |
| 520 | |
| 521 | extern pktqueue_t *ip6_pktq; |
| 522 | |
| 523 | MALLOC_DECLARE(M_IP6OPT); |
| 524 | |
| 525 | extern struct pslist_head in6_ifaddr_list; |
| 526 | extern kmutex_t in6_ifaddr_lock; |
| 527 | |
| 528 | #define IN6_ADDRLIST_ENTRY_INIT(__ia) \ |
| 529 | PSLIST_ENTRY_INIT((__ia), ia6_pslist_entry) |
| 530 | #define IN6_ADDRLIST_ENTRY_DESTROY(__ia) \ |
| 531 | PSLIST_ENTRY_DESTROY((__ia), ia6_pslist_entry) |
| 532 | #define IN6_ADDRLIST_READER_EMPTY() \ |
| 533 | (PSLIST_READER_FIRST(&in6_ifaddr_list, struct in6_ifaddr, \ |
| 534 | ia6_pslist_entry) == NULL) |
| 535 | #define IN6_ADDRLIST_READER_FIRST() \ |
| 536 | PSLIST_READER_FIRST(&in6_ifaddr_list, struct in6_ifaddr, \ |
| 537 | ia6_pslist_entry) |
| 538 | #define IN6_ADDRLIST_READER_NEXT(__ia) \ |
| 539 | PSLIST_READER_NEXT((__ia), struct in6_ifaddr, ia6_pslist_entry) |
| 540 | #define IN6_ADDRLIST_READER_FOREACH(__ia) \ |
| 541 | PSLIST_READER_FOREACH((__ia), &in6_ifaddr_list, \ |
| 542 | struct in6_ifaddr, ia6_pslist_entry) |
| 543 | #define IN6_ADDRLIST_WRITER_INSERT_HEAD(__ia) \ |
| 544 | PSLIST_WRITER_INSERT_HEAD(&in6_ifaddr_list, (__ia), ia6_pslist_entry) |
| 545 | #define IN6_ADDRLIST_WRITER_REMOVE(__ia) \ |
| 546 | PSLIST_WRITER_REMOVE((__ia), ia6_pslist_entry) |
| 547 | #define IN6_ADDRLIST_WRITER_FOREACH(__ia) \ |
| 548 | PSLIST_WRITER_FOREACH((__ia), &in6_ifaddr_list, struct in6_ifaddr, \ |
| 549 | ia6_pslist_entry) |
| 550 | #define IN6_ADDRLIST_WRITER_FIRST() \ |
| 551 | PSLIST_WRITER_FIRST(&in6_ifaddr_list, struct in6_ifaddr, \ |
| 552 | ia6_pslist_entry) |
| 553 | #define IN6_ADDRLIST_WRITER_NEXT(__ia) \ |
| 554 | PSLIST_WRITER_NEXT((__ia), struct in6_ifaddr, ia6_pslist_entry) |
| 555 | #define IN6_ADDRLIST_WRITER_INSERT_AFTER(__ia, __new) \ |
| 556 | PSLIST_WRITER_INSERT_AFTER((__ia), (__new), ia6_pslist_entry) |
| 557 | #define IN6_ADDRLIST_WRITER_EMPTY() \ |
| 558 | (PSLIST_WRITER_FIRST(&in6_ifaddr_list, struct in6_ifaddr, \ |
| 559 | ia6_pslist_entry) == NULL) |
| 560 | #define IN6_ADDRLIST_WRITER_INSERT_TAIL(__new) \ |
| 561 | do { \ |
| 562 | if (IN6_ADDRLIST_WRITER_EMPTY()) { \ |
| 563 | IN6_ADDRLIST_WRITER_INSERT_HEAD((__new)); \ |
| 564 | } else { \ |
| 565 | struct in6_ifaddr *__ia; \ |
| 566 | IN6_ADDRLIST_WRITER_FOREACH(__ia) { \ |
| 567 | if (IN6_ADDRLIST_WRITER_NEXT(__ia) == NULL) { \ |
| 568 | IN6_ADDRLIST_WRITER_INSERT_AFTER(__ia,\ |
| 569 | (__new)); \ |
| 570 | break; \ |
| 571 | } \ |
| 572 | } \ |
| 573 | } \ |
| 574 | } while (0) |
| 575 | |
| 576 | #define in6_ifstat_inc(ifp, tag) \ |
| 577 | do { \ |
| 578 | if (ifp) \ |
| 579 | ((struct in6_ifextra *)((ifp)->if_afdata[AF_INET6]))->in6_ifstat->tag++; \ |
| 580 | } while (/*CONSTCOND*/ 0) |
| 581 | |
| 582 | extern const struct in6_addr zeroin6_addr; |
| 583 | extern const u_char inet6ctlerrmap[]; |
| 584 | extern unsigned long in6_maxmtu; |
| 585 | extern bool in6_present; |
| 586 | extern callout_t in6_tmpaddrtimer_ch; |
| 587 | |
| 588 | /* |
| 589 | * Macro for finding the internet address structure (in6_ifaddr) corresponding |
| 590 | * to a given interface (ifnet structure). |
| 591 | */ |
| 592 | static inline struct in6_ifaddr * |
| 593 | in6_get_ia_from_ifp(struct ifnet *ifp) |
| 594 | { |
| 595 | struct ifaddr *ifa; |
| 596 | |
| 597 | IFADDR_READER_FOREACH(ifa, ifp) { |
| 598 | if (ifa->ifa_addr->sa_family == AF_INET6) |
| 599 | break; |
| 600 | } |
| 601 | return (struct in6_ifaddr *)ifa; |
| 602 | } |
| 603 | |
| 604 | static inline struct in6_ifaddr * |
| 605 | in6_get_ia_from_ifp_psref(struct ifnet *ifp, struct psref *psref) |
| 606 | { |
| 607 | struct in6_ifaddr *ia; |
| 608 | int s; |
| 609 | |
| 610 | s = pserialize_read_enter(); |
| 611 | ia = in6_get_ia_from_ifp(ifp); |
| 612 | if (ia != NULL) |
| 613 | ia6_acquire(ia, psref); |
| 614 | pserialize_read_exit(s); |
| 615 | |
| 616 | return ia; |
| 617 | } |
| 618 | #endif /* _KERNEL */ |
| 619 | |
| 620 | /* |
| 621 | * Multi-cast membership entry. One for each group/ifp that a PCB |
| 622 | * belongs to. |
| 623 | */ |
| 624 | struct in6_multi_mship { |
| 625 | struct in6_multi *i6mm_maddr; /* Multicast address pointer */ |
| 626 | LIST_ENTRY(in6_multi_mship) i6mm_chain; /* multicast options chain */ |
| 627 | }; |
| 628 | |
| 629 | struct in6_multi { |
| 630 | LIST_ENTRY(in6_multi) in6m_entry; /* list glue */ |
| 631 | struct in6_addr in6m_addr; /* IP6 multicast address */ |
| 632 | struct ifnet *in6m_ifp; /* back pointer to ifnet */ |
| 633 | struct in6_ifaddr *in6m_ia; /* back pointer to in6_ifaddr */ |
| 634 | u_int in6m_refcount; /* # membership claims by sockets */ |
| 635 | u_int in6m_state; /* state of the membership */ |
| 636 | int in6m_timer; /* delay to send the 1st report */ |
| 637 | struct timeval in6m_timer_expire; /* when the timer expires */ |
| 638 | callout_t in6m_timer_ch; |
| 639 | }; |
| 640 | |
| 641 | #define IN6M_TIMER_UNDEF -1 |
| 642 | |
| 643 | |
| 644 | #ifdef _KERNEL |
| 645 | /* flags to in6_update_ifa */ |
| 646 | #define IN6_IFAUPDATE_DADDELAY 0x1 /* first time to configure an address */ |
| 647 | |
| 648 | /* |
| 649 | * Structure used by macros below to remember position when stepping through |
| 650 | * all of the in6_multi records. |
| 651 | */ |
| 652 | struct in6_multistep { |
| 653 | struct in6_ifaddr *i_ia; |
| 654 | struct in6_multi *i_in6m; |
| 655 | }; |
| 656 | |
| 657 | /* |
| 658 | * Macros for looking up the in6_multi record for a given IP6 multicast |
| 659 | * address on a given interface. If no matching record is found, "in6m" |
| 660 | * returns NULL. |
| 661 | */ |
| 662 | |
| 663 | static inline struct in6_multi * |
| 664 | in6_lookup_multi(struct in6_addr *addr, struct ifnet *ifp) |
| 665 | { |
| 666 | struct in6_multi *in6m; |
| 667 | struct in6_ifaddr *ia; |
| 668 | int s; |
| 669 | |
| 670 | s = pserialize_read_enter(); |
| 671 | if ((ia = in6_get_ia_from_ifp(ifp)) == NULL) { |
| 672 | pserialize_read_exit(s); |
| 673 | return NULL; |
| 674 | } |
| 675 | LIST_FOREACH(in6m, &ia->ia6_multiaddrs, in6m_entry) { |
| 676 | if (IN6_ARE_ADDR_EQUAL(&in6m->in6m_addr, addr)) |
| 677 | break; |
| 678 | } |
| 679 | pserialize_read_exit(s); |
| 680 | return in6m; |
| 681 | } |
| 682 | |
| 683 | #define IN6_LOOKUP_MULTI(__addr, __ifp, __in6m) \ |
| 684 | /* struct in6_addr __addr; */ \ |
| 685 | /* struct ifnet *__ifp; */ \ |
| 686 | /* struct in6_multi *__in6m; */ \ |
| 687 | do { \ |
| 688 | (__in6m) = in6_lookup_multi(&(__addr), (__ifp)); \ |
| 689 | } while (/*CONSTCOND*/ 0) |
| 690 | |
| 691 | /* |
| 692 | * Macro to step through all of the in6_multi records, one at a time. |
| 693 | * The current position is remembered in "step", which the caller must |
| 694 | * provide. IN6_FIRST_MULTI(), below, must be called to initialize "step" |
| 695 | * and get the first record. Both macros return a NULL "in6m" when there |
| 696 | * are no remaining records. |
| 697 | */ |
| 698 | static inline struct in6_multi * |
| 699 | in6_next_multi(struct in6_multistep *step) |
| 700 | { |
| 701 | struct in6_multi *in6m; |
| 702 | |
| 703 | if ((in6m = step->i_in6m) != NULL) { |
| 704 | step->i_in6m = LIST_NEXT(in6m, in6m_entry); |
| 705 | return in6m; |
| 706 | } |
| 707 | while (step->i_ia != NULL) { |
| 708 | in6m = LIST_FIRST(&step->i_ia->ia6_multiaddrs); |
| 709 | /* FIXME NOMPSAFE */ |
| 710 | step->i_ia = IN6_ADDRLIST_READER_NEXT(step->i_ia); |
| 711 | if (in6m != NULL) { |
| 712 | step->i_in6m = LIST_NEXT(in6m, in6m_entry); |
| 713 | break; |
| 714 | } |
| 715 | } |
| 716 | return in6m; |
| 717 | } |
| 718 | |
| 719 | static inline struct in6_multi * |
| 720 | in6_first_multi(struct in6_multistep *step) |
| 721 | { |
| 722 | |
| 723 | /* FIXME NOMPSAFE */ |
| 724 | step->i_ia = IN6_ADDRLIST_READER_FIRST(); |
| 725 | step->i_in6m = NULL; |
| 726 | return in6_next_multi(step); |
| 727 | } |
| 728 | |
| 729 | #define IN6_NEXT_MULTI(__step, __in6m) \ |
| 730 | /* struct in6_multistep __step; */ \ |
| 731 | /* struct in6_multi *__in6m; */ \ |
| 732 | do { \ |
| 733 | (__in6m) = in6_next_multi(&(__step)); \ |
| 734 | } while (/*CONSTCOND*/ 0) |
| 735 | |
| 736 | #define IN6_FIRST_MULTI(__step, __in6m) \ |
| 737 | /* struct in6_multistep __step; */ \ |
| 738 | /* struct in6_multi *__in6m */ \ |
| 739 | do { \ |
| 740 | (__in6m) = in6_first_multi(&(__step)); \ |
| 741 | } while (/*CONSTCOND*/ 0) |
| 742 | |
| 743 | |
| 744 | #if 0 |
| 745 | /* |
| 746 | * Macros for looking up the in6_multi_mship record for a given IP6 multicast |
| 747 | * address on a given interface. If no matching record is found, "imm" |
| 748 | * returns NULL. |
| 749 | */ |
| 750 | static inline struct in6_multi_mship * |
| 751 | in6_lookup_mship(struct in6_addr *addr, struct ifnet *ifp, |
| 752 | struct ip6_moptions *imop) |
| 753 | { |
| 754 | struct in6_multi_mship *imm; |
| 755 | |
| 756 | LIST_FOREACH(imm, &imop->im6o_memberships, i6mm_chain) { |
| 757 | if (imm->i6mm_maddr->in6m_ifp != ifp) |
| 758 | continue; |
| 759 | if (IN6_ARE_ADDR_EQUAL(&imm->i6mm_maddr->in6m_addr, |
| 760 | addr)) |
| 761 | break; |
| 762 | } |
| 763 | return imm; |
| 764 | } |
| 765 | |
| 766 | #define IN6_LOOKUP_MSHIP(__addr, __ifp, __imop, __imm) \ |
| 767 | /* struct in6_addr __addr; */ \ |
| 768 | /* struct ifnet *__ifp; */ \ |
| 769 | /* struct ip6_moptions *__imop */ \ |
| 770 | /* struct in6_multi_mship *__imm; */ \ |
| 771 | do { \ |
| 772 | (__imm) = in6_lookup_mship(&(__addr), (__ifp), (__imop)); \ |
| 773 | } while (/*CONSTCOND*/ 0) |
| 774 | #endif |
| 775 | |
| 776 | void in6_init(void); |
| 777 | |
| 778 | struct in6_multi *in6_addmulti(struct in6_addr *, struct ifnet *, |
| 779 | int *, int); |
| 780 | void in6_delmulti(struct in6_multi *); |
| 781 | struct in6_multi_mship *in6_joingroup(struct ifnet *, struct in6_addr *, |
| 782 | int *, int); |
| 783 | int in6_leavegroup(struct in6_multi_mship *); |
| 784 | int in6_mask2len(struct in6_addr *, u_char *); |
| 785 | int in6_control(struct socket *, u_long, void *, struct ifnet *); |
| 786 | int in6_update_ifa(struct ifnet *, struct in6_aliasreq *, |
| 787 | struct in6_ifaddr *, int); |
| 788 | void in6_purgeaddr(struct ifaddr *); |
| 789 | void in6_purgeif(struct ifnet *); |
| 790 | void in6_savemkludge(struct in6_ifaddr *); |
| 791 | void in6_setmaxmtu (void); |
| 792 | int in6_if2idlen (struct ifnet *); |
| 793 | void *in6_domifattach(struct ifnet *); |
| 794 | void in6_domifdetach(struct ifnet *, void *); |
| 795 | void in6_restoremkludge(struct in6_ifaddr *, struct ifnet *); |
| 796 | void in6_ifremlocal(struct ifaddr *); |
| 797 | void in6_ifaddlocal(struct ifaddr *); |
| 798 | void in6_createmkludge(struct ifnet *); |
| 799 | void in6_purgemkludge(struct ifnet *); |
| 800 | struct in6_ifaddr * |
| 801 | in6ifa_ifpforlinklocal(const struct ifnet *, int); |
| 802 | struct in6_ifaddr * |
| 803 | in6ifa_ifpforlinklocal_psref(const struct ifnet *, int, struct psref *); |
| 804 | struct in6_ifaddr * |
| 805 | in6ifa_ifpwithaddr(const struct ifnet *, const struct in6_addr *); |
| 806 | struct in6_ifaddr * |
| 807 | in6ifa_ifpwithaddr_psref(const struct ifnet *, const struct in6_addr *, |
| 808 | struct psref *); |
| 809 | struct in6_ifaddr *in6ifa_ifwithaddr(const struct in6_addr *, uint32_t); |
| 810 | char *ip6_sprintf(const struct in6_addr *); |
| 811 | int in6_matchlen(struct in6_addr *, struct in6_addr *); |
| 812 | int in6_are_prefix_equal(struct in6_addr *, struct in6_addr *, int); |
| 813 | void in6_prefixlen2mask(struct in6_addr *, int); |
| 814 | void in6_purgeprefix(struct ifnet *); |
| 815 | |
| 816 | int ip6flow_fastforward(struct mbuf **); /* IPv6 fast forward routine */ |
| 817 | |
| 818 | int in6_src_ioctl(u_long, void *); |
| 819 | int in6_is_addr_deprecated(struct sockaddr_in6 *); |
| 820 | struct in6pcb; |
| 821 | |
| 822 | #define LLTABLE6(ifp) (((struct in6_ifextra *)(ifp)->if_afdata[AF_INET6])->lltable) |
| 823 | |
| 824 | #endif /* _KERNEL */ |
| 825 | |
| 826 | #endif /* !_NETINET6_IN6_VAR_H_ */ |
| 827 | |