| 1 | /* $FreeBSD: src/sys/netinet6/in6_var.h,v 1.3.2.3 2002/04/28 05:40:27 suz Exp $ */ |
| 2 | /* $DragonFly: src/sys/netinet6/in6_var.h,v 1.10 2008/10/03 07:59:20 hasso Exp $ */ |
| 3 | /* $KAME: in6_var.h,v 1.56 2001/03/29 05:34:31 itojun Exp $ */ |
| 4 | |
| 5 | /* |
| 6 | * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. |
| 7 | * All rights reserved. |
| 8 | * |
| 9 | * Redistribution and use in source and binary forms, with or without |
| 10 | * modification, are permitted provided that the following conditions |
| 11 | * are met: |
| 12 | * 1. Redistributions of source code must retain the above copyright |
| 13 | * notice, this list of conditions and the following disclaimer. |
| 14 | * 2. Redistributions in binary form must reproduce the above copyright |
| 15 | * notice, this list of conditions and the following disclaimer in the |
| 16 | * documentation and/or other materials provided with the distribution. |
| 17 | * 3. Neither the name of the project nor the names of its contributors |
| 18 | * may be used to endorse or promote products derived from this software |
| 19 | * without specific prior written permission. |
| 20 | * |
| 21 | * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND |
| 22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE |
| 25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 31 | * SUCH DAMAGE. |
| 32 | */ |
| 33 | |
| 34 | /* |
| 35 | * Copyright (c) 1985, 1986, 1993 |
| 36 | * The Regents of the University of California. All rights reserved. |
| 37 | * |
| 38 | * Redistribution and use in source and binary forms, with or without |
| 39 | * modification, are permitted provided that the following conditions |
| 40 | * are met: |
| 41 | * 1. Redistributions of source code must retain the above copyright |
| 42 | * notice, this list of conditions and the following disclaimer. |
| 43 | * 2. Redistributions in binary form must reproduce the above copyright |
| 44 | * notice, this list of conditions and the following disclaimer in the |
| 45 | * documentation and/or other materials provided with the distribution. |
| 46 | * 3. All advertising materials mentioning features or use of this software |
| 47 | * must display the following acknowledgement: |
| 48 | * This product includes software developed by the University of |
| 49 | * California, Berkeley and its contributors. |
| 50 | * 4. Neither the name of the University nor the names of its contributors |
| 51 | * may be used to endorse or promote products derived from this software |
| 52 | * without specific prior written permission. |
| 53 | * |
| 54 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| 55 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 56 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 57 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| 58 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 59 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 60 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 61 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 62 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 63 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 64 | * SUCH DAMAGE. |
| 65 | * |
| 66 | * @(#)in_var.h 8.1 (Berkeley) 6/10/93 |
| 67 | */ |
| 68 | |
| 69 | #ifndef _NETINET6_IN6_VAR_H_ |
| 70 | #define _NETINET6_IN6_VAR_H_ |
| 71 | |
| 72 | #ifndef _SYS_TYPES_H_ |
| 73 | #include <sys/types.h> |
| 74 | #endif |
| 75 | #ifndef _SYS_IOCCOM_H_ |
| 76 | #include <sys/ioccom.h> |
| 77 | #endif |
| 78 | #ifndef _SYS_TIME_H_ |
| 79 | #include <sys/time.h> |
| 80 | #endif |
| 81 | #ifndef _NET_IF_VAR_H_ |
| 82 | #include <net/if_var.h> |
| 83 | #endif |
| 84 | #ifndef _NETINET_IN_H_ |
| 85 | #include <netinet/in.h> |
| 86 | #endif |
| 87 | |
| 88 | /* |
| 89 | * Interface address, Internet version. One of these structures |
| 90 | * is allocated for each interface with an Internet address. |
| 91 | * The ifaddr structure contains the protocol-independent part |
| 92 | * of the structure and is assumed to be first. |
| 93 | */ |
| 94 | |
| 95 | /* |
| 96 | * pltime/vltime are just for future reference (required to implements 2 |
| 97 | * hour rule for hosts). they should never be modified by nd6_timeout or |
| 98 | * anywhere else. |
| 99 | * userland -> kernel: accept pltime/vltime |
| 100 | * kernel -> userland: throw up everything |
| 101 | * in kernel: modify preferred/expire only |
| 102 | */ |
| 103 | struct in6_addrlifetime { |
| 104 | time_t ia6t_expire; /* valid lifetime expiration time */ |
| 105 | time_t ia6t_preferred; /* preferred lifetime expiration time */ |
| 106 | u_int32_t ia6t_vltime; /* valid lifetime */ |
| 107 | u_int32_t ia6t_pltime; /* prefix lifetime */ |
| 108 | }; |
| 109 | |
| 110 | struct nd_ifinfo; |
| 111 | struct scope6_id; |
| 112 | |
| 113 | struct in6_ifextra { |
| 114 | struct in6_ifstat *in6_ifstat; |
| 115 | struct icmp6_ifstat *icmp6_ifstat; |
| 116 | struct nd_ifinfo *nd_ifinfo; |
| 117 | struct scope6_id *scope6_id; |
| 118 | }; |
| 119 | |
| 120 | struct in6_ifaddr { |
| 121 | struct ifaddr ia_ifa; /* protocol-independent info */ |
| 122 | #define ia_ifp ia_ifa.ifa_ifp |
| 123 | #define ia_flags ia_ifa.ifa_flags |
| 124 | struct sockaddr_in6 ia_addr; /* interface address */ |
| 125 | struct sockaddr_in6 ia_net; /* network number of interface */ |
| 126 | struct sockaddr_in6 ia_dstaddr; /* space for destination addr */ |
| 127 | struct sockaddr_in6 ia_prefixmask; /* prefix mask */ |
| 128 | u_int32_t ia_plen; /* prefix length */ |
| 129 | struct in6_ifaddr *ia_next; /* next in6 list of IP6 addresses */ |
| 130 | int ia6_flags; |
| 131 | |
| 132 | struct in6_addrlifetime ia6_lifetime; |
| 133 | struct ifprefix *ia6_ifpr; /* back pointer to ifprefix */ |
| 134 | |
| 135 | struct nd_prefix *ia6_ndpr; /* back pointer to the ND prefix |
| 136 | * (for autoconfigured addresses only) |
| 137 | */ |
| 138 | }; |
| 139 | |
| 140 | /* control structure to manage address selection policy */ |
| 141 | struct in6_addrpolicy { |
| 142 | struct sockaddr_in6 addr; /* prefix address */ |
| 143 | struct sockaddr_in6 addrmask; /* prefix mask */ |
| 144 | int preced; /* precedence */ |
| 145 | int label; /* matching label */ |
| 146 | u_quad_t use; /* statistics */ |
| 147 | }; |
| 148 | |
| 149 | /* |
| 150 | * IPv6 interface statistics, as defined in RFC2465 Ipv6IfStatsEntry (p12). |
| 151 | */ |
| 152 | struct in6_ifstat { |
| 153 | u_quad_t ifs6_in_receive; /* # of total input datagram */ |
| 154 | u_quad_t ifs6_in_hdrerr; /* # of datagrams with invalid hdr */ |
| 155 | u_quad_t ifs6_in_toobig; /* # of datagrams exceeded MTU */ |
| 156 | u_quad_t ifs6_in_noroute; /* # of datagrams with no route */ |
| 157 | u_quad_t ifs6_in_addrerr; /* # of datagrams with invalid dst */ |
| 158 | u_quad_t ifs6_in_protounknown; /* # of datagrams with unknown proto */ |
| 159 | /* NOTE: increment on final dst if */ |
| 160 | u_quad_t ifs6_in_truncated; /* # of truncated datagrams */ |
| 161 | u_quad_t ifs6_in_discard; /* # of discarded datagrams */ |
| 162 | /* NOTE: fragment timeout is not here */ |
| 163 | u_quad_t ifs6_in_deliver; /* # of datagrams delivered to ULP */ |
| 164 | /* NOTE: increment on final dst if */ |
| 165 | u_quad_t ifs6_out_forward; /* # of datagrams forwarded */ |
| 166 | /* NOTE: increment on outgoing if */ |
| 167 | u_quad_t ifs6_out_request; /* # of outgoing datagrams from ULP */ |
| 168 | /* NOTE: does not include forwrads */ |
| 169 | u_quad_t ifs6_out_discard; /* # of discarded datagrams */ |
| 170 | u_quad_t ifs6_out_fragok; /* # of datagrams fragmented */ |
| 171 | u_quad_t ifs6_out_fragfail; /* # of datagrams failed on fragment */ |
| 172 | u_quad_t ifs6_out_fragcreat; /* # of fragment datagrams */ |
| 173 | /* NOTE: this is # after fragment */ |
| 174 | u_quad_t ifs6_reass_reqd; /* # of incoming fragmented packets */ |
| 175 | /* NOTE: increment on final dst if */ |
| 176 | u_quad_t ifs6_reass_ok; /* # of reassembled packets */ |
| 177 | /* NOTE: this is # after reass */ |
| 178 | /* NOTE: increment on final dst if */ |
| 179 | u_quad_t ifs6_reass_fail; /* # of reass failures */ |
| 180 | /* NOTE: may not be packet count */ |
| 181 | /* NOTE: increment on final dst if */ |
| 182 | u_quad_t ifs6_in_mcast; /* # of inbound multicast datagrams */ |
| 183 | u_quad_t ifs6_out_mcast; /* # of outbound multicast datagrams */ |
| 184 | }; |
| 185 | |
| 186 | /* |
| 187 | * ICMPv6 interface statistics, as defined in RFC2466 Ipv6IfIcmpEntry. |
| 188 | * XXX: I'm not sure if this file is the right place for this structure... |
| 189 | */ |
| 190 | struct icmp6_ifstat { |
| 191 | /* |
| 192 | * Input statistics |
| 193 | */ |
| 194 | /* ipv6IfIcmpInMsgs, total # of input messages */ |
| 195 | u_quad_t ifs6_in_msg; |
| 196 | /* ipv6IfIcmpInErrors, # of input error messages */ |
| 197 | u_quad_t ifs6_in_error; |
| 198 | /* ipv6IfIcmpInDestUnreachs, # of input dest unreach errors */ |
| 199 | u_quad_t ifs6_in_dstunreach; |
| 200 | /* ipv6IfIcmpInAdminProhibs, # of input administratively prohibited errs */ |
| 201 | u_quad_t ifs6_in_adminprohib; |
| 202 | /* ipv6IfIcmpInTimeExcds, # of input time exceeded errors */ |
| 203 | u_quad_t ifs6_in_timeexceed; |
| 204 | /* ipv6IfIcmpInParmProblems, # of input parameter problem errors */ |
| 205 | u_quad_t ifs6_in_paramprob; |
| 206 | /* ipv6IfIcmpInPktTooBigs, # of input packet too big errors */ |
| 207 | u_quad_t ifs6_in_pkttoobig; |
| 208 | /* ipv6IfIcmpInEchos, # of input echo requests */ |
| 209 | u_quad_t ifs6_in_echo; |
| 210 | /* ipv6IfIcmpInEchoReplies, # of input echo replies */ |
| 211 | u_quad_t ifs6_in_echoreply; |
| 212 | /* ipv6IfIcmpInRouterSolicits, # of input router solicitations */ |
| 213 | u_quad_t ifs6_in_routersolicit; |
| 214 | /* ipv6IfIcmpInRouterAdvertisements, # of input router advertisements */ |
| 215 | u_quad_t ifs6_in_routeradvert; |
| 216 | /* ipv6IfIcmpInNeighborSolicits, # of input neighbor solicitations */ |
| 217 | u_quad_t ifs6_in_neighborsolicit; |
| 218 | /* ipv6IfIcmpInNeighborAdvertisements, # of input neighbor advertisements */ |
| 219 | u_quad_t ifs6_in_neighboradvert; |
| 220 | /* ipv6IfIcmpInRedirects, # of input redirects */ |
| 221 | u_quad_t ifs6_in_redirect; |
| 222 | /* ipv6IfIcmpInGroupMembQueries, # of input MLD queries */ |
| 223 | u_quad_t ifs6_in_mldquery; |
| 224 | /* ipv6IfIcmpInGroupMembResponses, # of input MLD reports */ |
| 225 | u_quad_t ifs6_in_mldreport; |
| 226 | /* ipv6IfIcmpInGroupMembReductions, # of input MLD done */ |
| 227 | u_quad_t ifs6_in_mlddone; |
| 228 | |
| 229 | /* |
| 230 | * Output statistics. We should solve unresolved routing problem... |
| 231 | */ |
| 232 | /* ipv6IfIcmpOutMsgs, total # of output messages */ |
| 233 | u_quad_t ifs6_out_msg; |
| 234 | /* ipv6IfIcmpOutErrors, # of output error messages */ |
| 235 | u_quad_t ifs6_out_error; |
| 236 | /* ipv6IfIcmpOutDestUnreachs, # of output dest unreach errors */ |
| 237 | u_quad_t ifs6_out_dstunreach; |
| 238 | /* ipv6IfIcmpOutAdminProhibs, # of output administratively prohibited errs */ |
| 239 | u_quad_t ifs6_out_adminprohib; |
| 240 | /* ipv6IfIcmpOutTimeExcds, # of output time exceeded errors */ |
| 241 | u_quad_t ifs6_out_timeexceed; |
| 242 | /* ipv6IfIcmpOutParmProblems, # of output parameter problem errors */ |
| 243 | u_quad_t ifs6_out_paramprob; |
| 244 | /* ipv6IfIcmpOutPktTooBigs, # of output packet too big errors */ |
| 245 | u_quad_t ifs6_out_pkttoobig; |
| 246 | /* ipv6IfIcmpOutEchos, # of output echo requests */ |
| 247 | u_quad_t ifs6_out_echo; |
| 248 | /* ipv6IfIcmpOutEchoReplies, # of output echo replies */ |
| 249 | u_quad_t ifs6_out_echoreply; |
| 250 | /* ipv6IfIcmpOutRouterSolicits, # of output router solicitations */ |
| 251 | u_quad_t ifs6_out_routersolicit; |
| 252 | /* ipv6IfIcmpOutRouterAdvertisements, # of output router advertisements */ |
| 253 | u_quad_t ifs6_out_routeradvert; |
| 254 | /* ipv6IfIcmpOutNeighborSolicits, # of output neighbor solicitations */ |
| 255 | u_quad_t ifs6_out_neighborsolicit; |
| 256 | /* ipv6IfIcmpOutNeighborAdvertisements, # of output neighbor advertisements */ |
| 257 | u_quad_t ifs6_out_neighboradvert; |
| 258 | /* ipv6IfIcmpOutRedirects, # of output redirects */ |
| 259 | u_quad_t ifs6_out_redirect; |
| 260 | /* ipv6IfIcmpOutGroupMembQueries, # of output MLD queries */ |
| 261 | u_quad_t ifs6_out_mldquery; |
| 262 | /* ipv6IfIcmpOutGroupMembResponses, # of output MLD reports */ |
| 263 | u_quad_t ifs6_out_mldreport; |
| 264 | /* ipv6IfIcmpOutGroupMembReductions, # of output MLD done */ |
| 265 | u_quad_t ifs6_out_mlddone; |
| 266 | }; |
| 267 | |
| 268 | struct in6_ifreq { |
| 269 | char ifr_name[IFNAMSIZ]; |
| 270 | union { |
| 271 | struct sockaddr_in6 ifru_addr; |
| 272 | struct sockaddr_in6 ifru_dstaddr; |
| 273 | short ifru_flags; |
| 274 | int ifru_flags6; |
| 275 | int ifru_metric; |
| 276 | caddr_t ifru_data; |
| 277 | struct in6_addrlifetime ifru_lifetime; |
| 278 | struct in6_ifstat ifru_stat; |
| 279 | struct icmp6_ifstat ifru_icmp6stat; |
| 280 | u_int32_t ifru_scope_id[16]; |
| 281 | } ifr_ifru; |
| 282 | }; |
| 283 | |
| 284 | struct in6_aliasreq { |
| 285 | char ifra_name[IFNAMSIZ]; |
| 286 | struct sockaddr_in6 ifra_addr; |
| 287 | struct sockaddr_in6 ifra_dstaddr; |
| 288 | struct sockaddr_in6 ifra_prefixmask; |
| 289 | int ifra_flags; |
| 290 | struct in6_addrlifetime ifra_lifetime; |
| 291 | }; |
| 292 | |
| 293 | /* prefix type macro */ |
| 294 | #define IN6_PREFIX_ND 1 |
| 295 | #define IN6_PREFIX_RR 2 |
| 296 | |
| 297 | /* |
| 298 | * prefix related flags passed between kernel(NDP related part) and |
| 299 | * user land command(ifconfig) and daemon(rtadvd). |
| 300 | */ |
| 301 | struct in6_prflags { |
| 302 | struct prf_ra { |
| 303 | u_char onlink : 1; |
| 304 | u_char autonomous : 1; |
| 305 | u_char reserved : 6; |
| 306 | } prf_ra; |
| 307 | u_char prf_reserved1; |
| 308 | u_short prf_reserved2; |
| 309 | /* want to put this on 4byte offset */ |
| 310 | struct prf_rr { |
| 311 | u_char decrvalid : 1; |
| 312 | u_char decrprefd : 1; |
| 313 | u_char reserved : 6; |
| 314 | } prf_rr; |
| 315 | u_char prf_reserved3; |
| 316 | u_short prf_reserved4; |
| 317 | }; |
| 318 | |
| 319 | struct in6_prefixreq { |
| 320 | char ipr_name[IFNAMSIZ]; |
| 321 | u_char ipr_origin; |
| 322 | u_char ipr_plen; |
| 323 | u_int32_t ipr_vltime; |
| 324 | u_int32_t ipr_pltime; |
| 325 | struct in6_prflags ipr_flags; |
| 326 | struct sockaddr_in6 ipr_prefix; |
| 327 | }; |
| 328 | |
| 329 | #define PR_ORIG_RA 0 |
| 330 | #define PR_ORIG_RR 1 |
| 331 | #define PR_ORIG_STATIC 2 |
| 332 | #define PR_ORIG_KERNEL 3 |
| 333 | |
| 334 | #define ipr_raf_onlink ipr_flags.prf_ra.onlink |
| 335 | #define ipr_raf_auto ipr_flags.prf_ra.autonomous |
| 336 | |
| 337 | #define ipr_statef_onlink ipr_flags.prf_state.onlink |
| 338 | |
| 339 | #define ipr_rrf_decrvalid ipr_flags.prf_rr.decrvalid |
| 340 | #define ipr_rrf_decrprefd ipr_flags.prf_rr.decrprefd |
| 341 | |
| 342 | struct in6_rrenumreq { |
| 343 | char irr_name[IFNAMSIZ]; |
| 344 | u_char irr_origin; |
| 345 | u_char irr_m_len; /* match len for matchprefix */ |
| 346 | u_char irr_m_minlen; /* minlen for matching prefix */ |
| 347 | u_char irr_m_maxlen; /* maxlen for matching prefix */ |
| 348 | u_char irr_u_uselen; /* uselen for adding prefix */ |
| 349 | u_char irr_u_keeplen; /* keeplen from matching prefix */ |
| 350 | struct irr_raflagmask { |
| 351 | u_char onlink : 1; |
| 352 | u_char autonomous : 1; |
| 353 | u_char reserved : 6; |
| 354 | } irr_raflagmask; |
| 355 | u_int32_t irr_vltime; |
| 356 | u_int32_t irr_pltime; |
| 357 | struct in6_prflags irr_flags; |
| 358 | struct sockaddr_in6 irr_matchprefix; |
| 359 | struct sockaddr_in6 irr_useprefix; |
| 360 | }; |
| 361 | |
| 362 | #define irr_raf_mask_onlink irr_raflagmask.onlink |
| 363 | #define irr_raf_mask_auto irr_raflagmask.autonomous |
| 364 | #define irr_raf_mask_reserved irr_raflagmask.reserved |
| 365 | |
| 366 | #define irr_raf_onlink irr_flags.prf_ra.onlink |
| 367 | #define irr_raf_auto irr_flags.prf_ra.autonomous |
| 368 | |
| 369 | #define irr_statef_onlink irr_flags.prf_state.onlink |
| 370 | |
| 371 | #define irr_rrf irr_flags.prf_rr |
| 372 | #define irr_rrf_decrvalid irr_flags.prf_rr.decrvalid |
| 373 | #define irr_rrf_decrprefd irr_flags.prf_rr.decrprefd |
| 374 | |
| 375 | /* |
| 376 | * Given a pointer to an in6_ifaddr (ifaddr), |
| 377 | * return a pointer to the addr as a sockaddr_in6 |
| 378 | */ |
| 379 | #define IA6_IN6(ia) (&((ia)->ia_addr.sin6_addr)) |
| 380 | #define IA6_DSTIN6(ia) (&((ia)->ia_dstaddr.sin6_addr)) |
| 381 | #define IA6_MASKIN6(ia) (&((ia)->ia_prefixmask.sin6_addr)) |
| 382 | #define IA6_SIN6(ia) (&((ia)->ia_addr)) |
| 383 | #define IA6_DSTSIN6(ia) (&((ia)->ia_dstaddr)) |
| 384 | #define IFA_IN6(x) (&((struct sockaddr_in6 *)((x)->ifa_addr))->sin6_addr) |
| 385 | #define IFA_DSTIN6(x) (&((struct sockaddr_in6 *)((x)->ifa_dstaddr))->sin6_addr) |
| 386 | |
| 387 | #define IFPR_IN6(x) (&((struct sockaddr_in6 *)((x)->ifpr_prefix))->sin6_addr) |
| 388 | |
| 389 | #ifdef _KERNEL |
| 390 | #define IN6_ARE_MASKED_ADDR_EQUAL(d, a, m) ( \ |
| 391 | (((d)->s6_addr32[0] ^ (a)->s6_addr32[0]) & (m)->s6_addr32[0]) == 0 && \ |
| 392 | (((d)->s6_addr32[1] ^ (a)->s6_addr32[1]) & (m)->s6_addr32[1]) == 0 && \ |
| 393 | (((d)->s6_addr32[2] ^ (a)->s6_addr32[2]) & (m)->s6_addr32[2]) == 0 && \ |
| 394 | (((d)->s6_addr32[3] ^ (a)->s6_addr32[3]) & (m)->s6_addr32[3]) == 0 ) |
| 395 | #endif |
| 396 | |
| 397 | #define SIOCSIFADDR_IN6 _IOW('i', 12, struct in6_ifreq) |
| 398 | #define SIOCGIFADDR_IN6 _IOWR('i', 33, struct in6_ifreq) |
| 399 | |
| 400 | #ifdef _KERNEL |
| 401 | /* |
| 402 | * SIOCSxxx ioctls should be unused (see comments in in6.c), but |
| 403 | * we do not shift numbers for binary compatibility. |
| 404 | */ |
| 405 | #define SIOCSIFDSTADDR_IN6 _IOW('i', 14, struct in6_ifreq) |
| 406 | #define SIOCSIFNETMASK_IN6 _IOW('i', 22, struct in6_ifreq) |
| 407 | #endif |
| 408 | |
| 409 | #define SIOCGIFDSTADDR_IN6 _IOWR('i', 34, struct in6_ifreq) |
| 410 | #define SIOCGIFNETMASK_IN6 _IOWR('i', 37, struct in6_ifreq) |
| 411 | |
| 412 | #define SIOCDIFADDR_IN6 _IOW('i', 25, struct in6_ifreq) |
| 413 | #define SIOCAIFADDR_IN6 _IOW('i', 26, struct in6_aliasreq) |
| 414 | |
| 415 | #define SIOCSIFPHYADDR_IN6 _IOW('i', 70, struct in6_aliasreq) |
| 416 | #define SIOCGIFPSRCADDR_IN6 _IOWR('i', 71, struct in6_ifreq) |
| 417 | #define SIOCGIFPDSTADDR_IN6 _IOWR('i', 72, struct in6_ifreq) |
| 418 | |
| 419 | #define SIOCGIFAFLAG_IN6 _IOWR('i', 73, struct in6_ifreq) |
| 420 | |
| 421 | #define SIOCGDRLST_IN6 _IOWR('i', 74, struct in6_drlist) |
| 422 | #define SIOCGPRLST_IN6 _IOWR('i', 75, struct in6_prlist) |
| 423 | #ifdef _KERNEL |
| 424 | #define OSIOCGIFINFO_IN6 _IOWR('i', 76, struct in6_ondireq) |
| 425 | #endif |
| 426 | #define SIOCGIFINFO_IN6 _IOWR('i', 108, struct in6_ndireq) |
| 427 | #define SIOCSNDFLUSH_IN6 _IOWR('i', 77, struct in6_ifreq) |
| 428 | #define SIOCGNBRINFO_IN6 _IOWR('i', 78, struct in6_nbrinfo) |
| 429 | #define SIOCSPFXFLUSH_IN6 _IOWR('i', 79, struct in6_ifreq) |
| 430 | #define SIOCSRTRFLUSH_IN6 _IOWR('i', 80, struct in6_ifreq) |
| 431 | |
| 432 | #define SIOCGIFALIFETIME_IN6 _IOWR('i', 81, struct in6_ifreq) |
| 433 | #define SIOCSIFALIFETIME_IN6 _IOWR('i', 82, struct in6_ifreq) |
| 434 | #define SIOCGIFSTAT_IN6 _IOWR('i', 83, struct in6_ifreq) |
| 435 | #define SIOCGIFSTAT_ICMP6 _IOWR('i', 84, struct in6_ifreq) |
| 436 | |
| 437 | #define SIOCSDEFIFACE_IN6 _IOWR('i', 85, struct in6_ndifreq) |
| 438 | #define SIOCGDEFIFACE_IN6 _IOWR('i', 86, struct in6_ndifreq) |
| 439 | |
| 440 | #define SIOCSIFINFO_FLAGS _IOWR('i', 87, struct in6_ndireq) /* XXX */ |
| 441 | |
| 442 | #define SIOCSSCOPE6 _IOW('i', 88, struct in6_ifreq) |
| 443 | #define SIOCGSCOPE6 _IOWR('i', 89, struct in6_ifreq) |
| 444 | #define SIOCGSCOPE6DEF _IOWR('i', 90, struct in6_ifreq) |
| 445 | |
| 446 | #define SIOCSIFPREFIX_IN6 _IOW('i', 100, struct in6_prefixreq) /* set */ |
| 447 | #define SIOCGIFPREFIX_IN6 _IOWR('i', 101, struct in6_prefixreq) /* get */ |
| 448 | #define SIOCDIFPREFIX_IN6 _IOW('i', 102, struct in6_prefixreq) /* del */ |
| 449 | #define SIOCAIFPREFIX_IN6 _IOW('i', 103, struct in6_rrenumreq) /* add */ |
| 450 | #define SIOCCIFPREFIX_IN6 _IOW('i', 104, \ |
| 451 | struct in6_rrenumreq) /* change */ |
| 452 | #define SIOCSGIFPREFIX_IN6 _IOW('i', 105, \ |
| 453 | struct in6_rrenumreq) /* set global */ |
| 454 | |
| 455 | #define SIOCGETSGCNT_IN6 _IOWR('u', 106, \ |
| 456 | struct sioc_sg_req6) /* get s,g pkt cnt */ |
| 457 | #define SIOCGETMIFCNT_IN6 _IOWR('u', 107, \ |
| 458 | struct sioc_mif_req6) /* get pkt cnt per if */ |
| 459 | |
| 460 | #define SIOCAADDRCTL_POLICY _IOW('u', 108, struct in6_addrpolicy) |
| 461 | #define SIOCDADDRCTL_POLICY _IOW('u', 109, struct in6_addrpolicy) |
| 462 | |
| 463 | #define IN6_IFF_ANYCAST 0x01 /* anycast address */ |
| 464 | #define IN6_IFF_TENTATIVE 0x02 /* tentative address */ |
| 465 | #define IN6_IFF_DUPLICATED 0x04 /* DAD detected duplicate */ |
| 466 | #define IN6_IFF_DETACHED 0x08 /* may be detached from the link */ |
| 467 | #define IN6_IFF_DEPRECATED 0x10 /* deprecated address */ |
| 468 | #define IN6_IFF_NODAD 0x20 /* don't perform DAD on this address |
| 469 | * (used only at first SIOC* call) |
| 470 | */ |
| 471 | #define IN6_IFF_AUTOCONF 0x40 /* autoconfigurable address. */ |
| 472 | #define IN6_IFF_TEMPORARY 0x80 /* temporary (anonymous) address. */ |
| 473 | #define IN6_IFF_NOPFX 0x8000 /* skip kernel prefix management. |
| 474 | * XXX: this should be temporary. |
| 475 | */ |
| 476 | |
| 477 | /* do not input/output */ |
| 478 | #define IN6_IFF_NOTREADY (IN6_IFF_TENTATIVE|IN6_IFF_DUPLICATED) |
| 479 | |
| 480 | #ifdef _KERNEL |
| 481 | #define IN6_ARE_SCOPE_CMP(a,b) ((a)-(b)) |
| 482 | #define IN6_ARE_SCOPE_EQUAL(a,b) ((a)==(b)) |
| 483 | #endif |
| 484 | |
| 485 | #ifdef _KERNEL |
| 486 | extern struct in6_ifaddr *in6_ifaddr; |
| 487 | |
| 488 | extern struct icmp6stat icmp6stat; |
| 489 | #define in6_ifstat_inc(ifp, tag) \ |
| 490 | do { \ |
| 491 | if (ifp) \ |
| 492 | ((struct in6_ifextra *)((ifp)->if_afdata[AF_INET6]))->in6_ifstat->tag++; \ |
| 493 | } while (0) |
| 494 | |
| 495 | extern struct ifqueue ip6intrq; /* IP6 packet input queue */ |
| 496 | extern struct in6_addr zeroin6_addr; |
| 497 | extern u_char inet6ctlerrmap[]; |
| 498 | extern unsigned long in6_maxmtu; |
| 499 | #ifdef MALLOC_DECLARE |
| 500 | MALLOC_DECLARE(M_IPMADDR); |
| 501 | #endif |
| 502 | |
| 503 | /* |
| 504 | * Macro for finding the internet address structure (in6_ifaddr) corresponding |
| 505 | * to a given interface (ifnet structure). |
| 506 | */ |
| 507 | |
| 508 | #define IFP_TO_IA6(ifp, ia) \ |
| 509 | /* struct ifnet *ifp; */ \ |
| 510 | /* struct in6_ifaddr *ia; */ \ |
| 511 | do { \ |
| 512 | struct ifaddr_container *ifac; \ |
| 513 | TAILQ_FOREACH(ifac, &(ifp)->if_addrheads[mycpuid], ifa_list) { \ |
| 514 | if (!ifac->ifa->ifa_addr) \ |
| 515 | continue; \ |
| 516 | if (ifac->ifa->ifa_addr->sa_family == AF_INET6) \ |
| 517 | break; \ |
| 518 | } \ |
| 519 | (ia) = ifac == NULL ? NULL : (struct in6_ifaddr *)(ifac->ifa); \ |
| 520 | } while (0) |
| 521 | |
| 522 | #endif /* _KERNEL */ |
| 523 | |
| 524 | /* |
| 525 | * Multi-cast membership entry. One for each group/ifp that a PCB |
| 526 | * belongs to. |
| 527 | */ |
| 528 | struct in6_multi_mship { |
| 529 | struct in6_multi *i6mm_maddr; /* Multicast address pointer */ |
| 530 | LIST_ENTRY(in6_multi_mship) i6mm_chain; /* multicast options chain */ |
| 531 | }; |
| 532 | |
| 533 | struct in6_multi { |
| 534 | LIST_ENTRY(in6_multi) in6m_entry; /* list glue */ |
| 535 | struct in6_addr in6m_addr; /* IP6 multicast address */ |
| 536 | struct ifnet *in6m_ifp; /* back pointer to ifnet */ |
| 537 | struct ifmultiaddr *in6m_ifma; /* back pointer to ifmultiaddr */ |
| 538 | u_int in6m_refcount; /* # membership claims by sockets */ |
| 539 | u_int in6m_state; /* state of the membership */ |
| 540 | u_int in6m_timer; /* MLD6 listener report timer */ |
| 541 | }; |
| 542 | |
| 543 | #ifdef _KERNEL |
| 544 | extern LIST_HEAD(in6_multihead, in6_multi) in6_multihead; |
| 545 | |
| 546 | /* |
| 547 | * Structure used by macros below to remember position when stepping through |
| 548 | * all of the in6_multi records. |
| 549 | */ |
| 550 | struct in6_multistep { |
| 551 | struct in6_ifaddr *i_ia; |
| 552 | struct in6_multi *i_in6m; |
| 553 | }; |
| 554 | |
| 555 | /* |
| 556 | * Macros for looking up the in6_multi record for a given IP6 multicast |
| 557 | * address on a given interface. If no matching record is found, "in6m" |
| 558 | * returns NLL. |
| 559 | */ |
| 560 | |
| 561 | #define IN6_LOOKUP_MULTI(addr, ifp, in6m) \ |
| 562 | /* struct in6_addr addr; */ \ |
| 563 | /* struct ifnet *ifp; */ \ |
| 564 | /* struct in6_multi *in6m; */ \ |
| 565 | do { \ |
| 566 | struct ifmultiaddr *ifma; \ |
| 567 | TAILQ_FOREACH(ifma, &((ifp)->if_multiaddrs), ifma_link) { \ |
| 568 | if (ifma->ifma_addr->sa_family == AF_INET6 \ |
| 569 | && IN6_ARE_ADDR_EQUAL(&((struct sockaddr_in6 *)ifma->ifma_addr)->sin6_addr, \ |
| 570 | &(addr))) \ |
| 571 | break; \ |
| 572 | } \ |
| 573 | (in6m) = (struct in6_multi *)(ifma ? ifma->ifma_protospec : 0); \ |
| 574 | } while(0) |
| 575 | |
| 576 | /* |
| 577 | * Macro to step through all of the in6_multi records, one at a time. |
| 578 | * The current position is remembered in "step", which the caller must |
| 579 | * provide. IN6_FIRST_MULTI(), below, must be called to initialize "step" |
| 580 | * and get the first record. Both macros return a NULL "in6m" when there |
| 581 | * are no remaining records. |
| 582 | */ |
| 583 | #define IN6_NEXT_MULTI(step, in6m) \ |
| 584 | /* struct in6_multistep step; */ \ |
| 585 | /* struct in6_multi *in6m; */ \ |
| 586 | do { \ |
| 587 | if (((in6m) = (step).i_in6m) != NULL) \ |
| 588 | (step).i_in6m = (step).i_in6m->in6m_entry.le_next; \ |
| 589 | } while(0) |
| 590 | |
| 591 | #define IN6_FIRST_MULTI(step, in6m) \ |
| 592 | /* struct in6_multistep step; */ \ |
| 593 | /* struct in6_multi *in6m */ \ |
| 594 | do { \ |
| 595 | (step).i_in6m = in6_multihead.lh_first; \ |
| 596 | IN6_NEXT_MULTI((step), (in6m)); \ |
| 597 | } while(0) |
| 598 | |
| 599 | struct in6_multi *in6_addmulti (struct in6_addr *, struct ifnet *, |
| 600 | int *); |
| 601 | void in6_delmulti (struct in6_multi *); |
| 602 | struct in6_multi_mship *in6_joingroup(struct ifnet *, struct in6_addr *, int *); |
| 603 | int in6_leavegroup(struct in6_multi_mship *); |
| 604 | |
| 605 | extern int in6_ifindex2scopeid (int); |
| 606 | extern int in6_mask2len (struct in6_addr *, u_char *); |
| 607 | extern void in6_len2mask (struct in6_addr *, int); |
| 608 | int in6_control (struct socket *, |
| 609 | u_long, caddr_t, struct ifnet *, struct thread *); |
| 610 | int in6_update_ifa (struct ifnet *, struct in6_aliasreq *, |
| 611 | struct in6_ifaddr *); |
| 612 | void in6_purgeaddr (struct ifaddr *); |
| 613 | int in6if_do_dad (struct ifnet *); |
| 614 | void in6_purgeif (struct ifnet *); |
| 615 | void in6_savemkludge (struct in6_ifaddr *); |
| 616 | void *in6_domifattach (struct ifnet *); |
| 617 | void in6_domifdetach (struct ifnet *, void *); |
| 618 | void in6_setmaxmtu (void); |
| 619 | void in6_restoremkludge (struct in6_ifaddr *, struct ifnet *); |
| 620 | void in6_purgemkludge (struct ifnet *); |
| 621 | struct in6_ifaddr *in6ifa_ifpforlinklocal (struct ifnet *, int); |
| 622 | struct in6_ifaddr *in6ifa_ifpwithaddr (struct ifnet *, |
| 623 | struct in6_addr *); |
| 624 | struct in6_ifaddr *in6ifa_ifplocaladdr(const struct ifnet *, |
| 625 | const struct in6_addr *); |
| 626 | char *ip6_sprintf (const struct in6_addr *); |
| 627 | int in6_addr2scopeid (struct ifnet *, struct in6_addr *); |
| 628 | int in6_matchlen (struct in6_addr *, struct in6_addr *); |
| 629 | int in6_are_prefix_equal (struct in6_addr *p1, struct in6_addr *p2, |
| 630 | int len); |
| 631 | void in6_prefixlen2mask (struct in6_addr *maskp, int len); |
| 632 | int in6_prefix_ioctl (struct socket *so, u_long cmd, caddr_t data, |
| 633 | struct ifnet *ifp); |
| 634 | int in6_prefix_add_ifid (int iilen, struct in6_ifaddr *ia); |
| 635 | void in6_prefix_remove_ifid (int iilen, struct in6_ifaddr *ia); |
| 636 | void in6_purgeprefix (struct ifnet *); |
| 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_ */ |