| 1 | /* $NetBSD: in6.h,v 1.87 2016/02/15 14:59:03 rtr Exp $ */ |
| 2 | /* $KAME: in6.h,v 1.83 2001/03/29 02:55:07 jinmei 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) 1982, 1986, 1990, 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.h 8.3 (Berkeley) 1/3/94 |
| 62 | */ |
| 63 | |
| 64 | #ifndef _NETINET6_IN6_H_ |
| 65 | #define _NETINET6_IN6_H_ |
| 66 | |
| 67 | #include <sys/featuretest.h> |
| 68 | |
| 69 | #ifndef __KAME_NETINET_IN_H_INCLUDED_ |
| 70 | #error "do not include netinet6/in6.h directly, include netinet/in.h. see RFC2553" |
| 71 | #endif |
| 72 | |
| 73 | #include <sys/socket.h> |
| 74 | |
| 75 | /* |
| 76 | * Identification of the network protocol stack |
| 77 | * for *BSD-current/release: http://www.kame.net/dev/cvsweb.cgi/kame/COVERAGE |
| 78 | * has the table of implementation/integration differences. |
| 79 | */ |
| 80 | #define __KAME__ |
| 81 | #define __KAME_VERSION "NetBSD-current" |
| 82 | |
| 83 | /* |
| 84 | * Local port number conventions: |
| 85 | * |
| 86 | * Ports < IPPORT_RESERVED are reserved for privileged processes (e.g. root), |
| 87 | * unless a kernel is compiled with IPNOPRIVPORTS defined. |
| 88 | * |
| 89 | * When a user does a bind(2) or connect(2) with a port number of zero, |
| 90 | * a non-conflicting local port address is chosen. |
| 91 | * |
| 92 | * The default range is IPPORT_ANONMIN to IPPORT_ANONMAX, although |
| 93 | * that is settable by sysctl(3); net.inet.ip.anonportmin and |
| 94 | * net.inet.ip.anonportmax respectively. |
| 95 | * |
| 96 | * A user may set the IPPROTO_IP option IP_PORTRANGE to change this |
| 97 | * default assignment range. |
| 98 | * |
| 99 | * The value IP_PORTRANGE_DEFAULT causes the default behavior. |
| 100 | * |
| 101 | * The value IP_PORTRANGE_HIGH is the same as IP_PORTRANGE_DEFAULT, |
| 102 | * and exists only for FreeBSD compatibility purposes. |
| 103 | * |
| 104 | * The value IP_PORTRANGE_LOW changes the range to the "low" are |
| 105 | * that is (by convention) restricted to privileged processes. |
| 106 | * This convention is based on "vouchsafe" principles only. |
| 107 | * It is only secure if you trust the remote host to restrict these ports. |
| 108 | * The range is IPPORT_RESERVEDMIN to IPPORT_RESERVEDMAX. |
| 109 | */ |
| 110 | |
| 111 | #if defined(_NETBSD_SOURCE) |
| 112 | #define IPV6PORT_RESERVED 1024 |
| 113 | #define IPV6PORT_ANONMIN 49152 |
| 114 | #define IPV6PORT_ANONMAX 65535 |
| 115 | #define IPV6PORT_RESERVEDMIN 600 |
| 116 | #define IPV6PORT_RESERVEDMAX (IPV6PORT_RESERVED-1) |
| 117 | #endif |
| 118 | |
| 119 | /* |
| 120 | * IPv6 address |
| 121 | */ |
| 122 | struct in6_addr { |
| 123 | union { |
| 124 | __uint8_t __u6_addr8[16]; |
| 125 | __uint16_t __u6_addr16[8]; |
| 126 | uint32_t __u6_addr32[4]; |
| 127 | } __u6_addr; /* 128-bit IP6 address */ |
| 128 | }; |
| 129 | |
| 130 | #define s6_addr __u6_addr.__u6_addr8 |
| 131 | #ifdef _KERNEL /* XXX nonstandard */ |
| 132 | #define s6_addr8 __u6_addr.__u6_addr8 |
| 133 | #define s6_addr16 __u6_addr.__u6_addr16 |
| 134 | #define s6_addr32 __u6_addr.__u6_addr32 |
| 135 | #endif |
| 136 | |
| 137 | #define INET6_ADDRSTRLEN 46 |
| 138 | |
| 139 | /* |
| 140 | * Socket address for IPv6 |
| 141 | */ |
| 142 | #if defined(_NETBSD_SOURCE) |
| 143 | #define SIN6_LEN |
| 144 | #endif |
| 145 | struct sockaddr_in6 { |
| 146 | uint8_t sin6_len; /* length of this struct(socklen_t)*/ |
| 147 | sa_family_t sin6_family; /* AF_INET6 (sa_family_t) */ |
| 148 | in_port_t sin6_port; /* Transport layer port */ |
| 149 | uint32_t sin6_flowinfo; /* IP6 flow information */ |
| 150 | struct in6_addr sin6_addr; /* IP6 address */ |
| 151 | uint32_t sin6_scope_id; /* scope zone index */ |
| 152 | }; |
| 153 | |
| 154 | /* |
| 155 | * Local definition for masks |
| 156 | */ |
| 157 | #ifdef _KERNEL /* XXX nonstandard */ |
| 158 | #define IN6MASK0 {{{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }}} |
| 159 | #define IN6MASK32 {{{ 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, \ |
| 160 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}} |
| 161 | #define IN6MASK64 {{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \ |
| 162 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}} |
| 163 | #define IN6MASK96 {{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \ |
| 164 | 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00 }}} |
| 165 | #define IN6MASK128 {{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \ |
| 166 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }}} |
| 167 | #endif |
| 168 | |
| 169 | #ifdef _KERNEL |
| 170 | extern const struct sockaddr_in6 sa6_any; |
| 171 | |
| 172 | extern const struct in6_addr in6mask0; |
| 173 | extern const struct in6_addr in6mask32; |
| 174 | extern const struct in6_addr in6mask64; |
| 175 | extern const struct in6_addr in6mask96; |
| 176 | extern const struct in6_addr in6mask128; |
| 177 | #endif /* _KERNEL */ |
| 178 | |
| 179 | /* |
| 180 | * Macros started with IPV6_ADDR is KAME local |
| 181 | */ |
| 182 | #ifdef _KERNEL /* XXX nonstandard */ |
| 183 | #if BYTE_ORDER == BIG_ENDIAN |
| 184 | #define IPV6_ADDR_INT32_ONE 1 |
| 185 | #define IPV6_ADDR_INT32_TWO 2 |
| 186 | #define IPV6_ADDR_INT32_MNL 0xff010000 |
| 187 | #define IPV6_ADDR_INT32_MLL 0xff020000 |
| 188 | #define IPV6_ADDR_INT32_SMP 0x0000ffff |
| 189 | #define IPV6_ADDR_INT16_ULL 0xfe80 |
| 190 | #define IPV6_ADDR_INT16_USL 0xfec0 |
| 191 | #define IPV6_ADDR_INT16_MLL 0xff02 |
| 192 | #elif BYTE_ORDER == LITTLE_ENDIAN |
| 193 | #define IPV6_ADDR_INT32_ONE 0x01000000 |
| 194 | #define IPV6_ADDR_INT32_TWO 0x02000000 |
| 195 | #define IPV6_ADDR_INT32_MNL 0x000001ff |
| 196 | #define IPV6_ADDR_INT32_MLL 0x000002ff |
| 197 | #define IPV6_ADDR_INT32_SMP 0xffff0000 |
| 198 | #define IPV6_ADDR_INT16_ULL 0x80fe |
| 199 | #define IPV6_ADDR_INT16_USL 0xc0fe |
| 200 | #define IPV6_ADDR_INT16_MLL 0x02ff |
| 201 | #endif |
| 202 | #endif |
| 203 | |
| 204 | /* |
| 205 | * Definition of some useful macros to handle IP6 addresses |
| 206 | */ |
| 207 | #define IN6ADDR_ANY_INIT \ |
| 208 | {{{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ |
| 209 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}} |
| 210 | #define IN6ADDR_LOOPBACK_INIT \ |
| 211 | {{{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ |
| 212 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}} |
| 213 | #define IN6ADDR_NODELOCAL_ALLNODES_INIT \ |
| 214 | {{{ 0xff, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ |
| 215 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}} |
| 216 | #define IN6ADDR_LINKLOCAL_ALLNODES_INIT \ |
| 217 | {{{ 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ |
| 218 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}} |
| 219 | #define IN6ADDR_LINKLOCAL_ALLROUTERS_INIT \ |
| 220 | {{{ 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ |
| 221 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02 }}} |
| 222 | |
| 223 | extern const struct in6_addr in6addr_any; |
| 224 | extern const struct in6_addr in6addr_loopback; |
| 225 | extern const struct in6_addr in6addr_nodelocal_allnodes; |
| 226 | extern const struct in6_addr in6addr_linklocal_allnodes; |
| 227 | extern const struct in6_addr in6addr_linklocal_allrouters; |
| 228 | |
| 229 | #define IN6_ARE_ADDR_EQUAL(a, b) \ |
| 230 | (memcmp(&(a)->s6_addr[0], &(b)->s6_addr[0], sizeof(struct in6_addr)) == 0) |
| 231 | |
| 232 | /* |
| 233 | * Unspecified |
| 234 | */ |
| 235 | #define IN6_IS_ADDR_UNSPECIFIED(a) \ |
| 236 | ((a)->__u6_addr.__u6_addr32[0] == 0 && \ |
| 237 | (a)->__u6_addr.__u6_addr32[1] == 0 && \ |
| 238 | (a)->__u6_addr.__u6_addr32[2] == 0 && \ |
| 239 | (a)->__u6_addr.__u6_addr32[3] == 0) |
| 240 | |
| 241 | /* |
| 242 | * Loopback |
| 243 | */ |
| 244 | #define IN6_IS_ADDR_LOOPBACK(a) \ |
| 245 | ((a)->__u6_addr.__u6_addr32[0] == 0 && \ |
| 246 | (a)->__u6_addr.__u6_addr32[1] == 0 && \ |
| 247 | (a)->__u6_addr.__u6_addr32[2] == 0 && \ |
| 248 | (a)->__u6_addr.__u6_addr32[3] == ntohl(1)) |
| 249 | |
| 250 | /* |
| 251 | * IPv4 compatible |
| 252 | */ |
| 253 | #define IN6_IS_ADDR_V4COMPAT(a) \ |
| 254 | ((a)->__u6_addr.__u6_addr32[0] == 0 && \ |
| 255 | (a)->__u6_addr.__u6_addr32[1] == 0 && \ |
| 256 | (a)->__u6_addr.__u6_addr32[2] == 0 && \ |
| 257 | (a)->__u6_addr.__u6_addr32[3] != 0 && \ |
| 258 | (a)->__u6_addr.__u6_addr32[3] != ntohl(1)) |
| 259 | |
| 260 | /* |
| 261 | * Mapped |
| 262 | */ |
| 263 | #define IN6_IS_ADDR_V4MAPPED(a) \ |
| 264 | ((a)->__u6_addr.__u6_addr32[0] == 0 && \ |
| 265 | (a)->__u6_addr.__u6_addr32[1] == 0 && \ |
| 266 | (a)->__u6_addr.__u6_addr32[2] == ntohl(0x0000ffff)) |
| 267 | |
| 268 | /* |
| 269 | * KAME Scope Values |
| 270 | */ |
| 271 | |
| 272 | #ifdef _KERNEL /* XXX nonstandard */ |
| 273 | #define IPV6_ADDR_SCOPE_NODELOCAL 0x01 |
| 274 | #define IPV6_ADDR_SCOPE_INTFACELOCAL 0x01 |
| 275 | #define IPV6_ADDR_SCOPE_LINKLOCAL 0x02 |
| 276 | #define IPV6_ADDR_SCOPE_SITELOCAL 0x05 |
| 277 | #define IPV6_ADDR_SCOPE_ORGLOCAL 0x08 /* just used in this file */ |
| 278 | #define IPV6_ADDR_SCOPE_GLOBAL 0x0e |
| 279 | #else |
| 280 | #define __IPV6_ADDR_SCOPE_NODELOCAL 0x01 |
| 281 | #define __IPV6_ADDR_SCOPE_LINKLOCAL 0x02 |
| 282 | #define __IPV6_ADDR_SCOPE_SITELOCAL 0x05 |
| 283 | #define __IPV6_ADDR_SCOPE_ORGLOCAL 0x08 /* just used in this file */ |
| 284 | #define __IPV6_ADDR_SCOPE_GLOBAL 0x0e |
| 285 | #endif |
| 286 | |
| 287 | /* |
| 288 | * Unicast Scope |
| 289 | * Note that we must check topmost 10 bits only, not 16 bits (see RFC2373). |
| 290 | */ |
| 291 | #define IN6_IS_ADDR_LINKLOCAL(a) \ |
| 292 | (((a)->s6_addr[0] == 0xfe) && (((a)->s6_addr[1] & 0xc0) == 0x80)) |
| 293 | #define IN6_IS_ADDR_SITELOCAL(a) \ |
| 294 | (((a)->s6_addr[0] == 0xfe) && (((a)->s6_addr[1] & 0xc0) == 0xc0)) |
| 295 | |
| 296 | /* |
| 297 | * Multicast |
| 298 | */ |
| 299 | #define IN6_IS_ADDR_MULTICAST(a) ((a)->s6_addr[0] == 0xff) |
| 300 | |
| 301 | #ifdef _KERNEL /* XXX nonstandard */ |
| 302 | #define IPV6_ADDR_MC_SCOPE(a) ((a)->s6_addr[1] & 0x0f) |
| 303 | #else |
| 304 | #define __IPV6_ADDR_MC_SCOPE(a) ((a)->s6_addr[1] & 0x0f) |
| 305 | #endif |
| 306 | |
| 307 | /* |
| 308 | * Multicast Scope |
| 309 | */ |
| 310 | #ifdef _KERNEL /* refers nonstandard items */ |
| 311 | #define IN6_IS_ADDR_MC_NODELOCAL(a) \ |
| 312 | (IN6_IS_ADDR_MULTICAST(a) && \ |
| 313 | (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_NODELOCAL)) |
| 314 | #define IN6_IS_ADDR_MC_INTFACELOCAL(a) \ |
| 315 | (IN6_IS_ADDR_MULTICAST(a) && \ |
| 316 | (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_INTFACELOCAL)) |
| 317 | #define IN6_IS_ADDR_MC_LINKLOCAL(a) \ |
| 318 | (IN6_IS_ADDR_MULTICAST(a) && \ |
| 319 | (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_LINKLOCAL)) |
| 320 | #define IN6_IS_ADDR_MC_SITELOCAL(a) \ |
| 321 | (IN6_IS_ADDR_MULTICAST(a) && \ |
| 322 | (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_SITELOCAL)) |
| 323 | #define IN6_IS_ADDR_MC_ORGLOCAL(a) \ |
| 324 | (IN6_IS_ADDR_MULTICAST(a) && \ |
| 325 | (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_ORGLOCAL)) |
| 326 | #define IN6_IS_ADDR_MC_GLOBAL(a) \ |
| 327 | (IN6_IS_ADDR_MULTICAST(a) && \ |
| 328 | (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_GLOBAL)) |
| 329 | #else |
| 330 | #define IN6_IS_ADDR_MC_NODELOCAL(a) \ |
| 331 | (IN6_IS_ADDR_MULTICAST(a) && \ |
| 332 | (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_NODELOCAL)) |
| 333 | #define IN6_IS_ADDR_MC_LINKLOCAL(a) \ |
| 334 | (IN6_IS_ADDR_MULTICAST(a) && \ |
| 335 | (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_LINKLOCAL)) |
| 336 | #define IN6_IS_ADDR_MC_SITELOCAL(a) \ |
| 337 | (IN6_IS_ADDR_MULTICAST(a) && \ |
| 338 | (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_SITELOCAL)) |
| 339 | #define IN6_IS_ADDR_MC_ORGLOCAL(a) \ |
| 340 | (IN6_IS_ADDR_MULTICAST(a) && \ |
| 341 | (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_ORGLOCAL)) |
| 342 | #define IN6_IS_ADDR_MC_GLOBAL(a) \ |
| 343 | (IN6_IS_ADDR_MULTICAST(a) && \ |
| 344 | (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_GLOBAL)) |
| 345 | #endif |
| 346 | |
| 347 | #ifdef _KERNEL /* nonstandard */ |
| 348 | /* |
| 349 | * KAME Scope |
| 350 | */ |
| 351 | #define IN6_IS_SCOPE_LINKLOCAL(a) \ |
| 352 | ((IN6_IS_ADDR_LINKLOCAL(a)) || \ |
| 353 | (IN6_IS_ADDR_MC_LINKLOCAL(a))) |
| 354 | |
| 355 | #define IN6_IS_SCOPE_EMBEDDABLE(__a) \ |
| 356 | (IN6_IS_SCOPE_LINKLOCAL(__a) || IN6_IS_ADDR_MC_INTFACELOCAL(__a)) |
| 357 | |
| 358 | #define IFA6_IS_DEPRECATED(a) \ |
| 359 | ((a)->ia6_lifetime.ia6t_pltime != ND6_INFINITE_LIFETIME && \ |
| 360 | (u_int32_t)((time_uptime - (a)->ia6_updatetime)) > \ |
| 361 | (a)->ia6_lifetime.ia6t_pltime) |
| 362 | #define IFA6_IS_INVALID(a) \ |
| 363 | ((a)->ia6_lifetime.ia6t_vltime != ND6_INFINITE_LIFETIME && \ |
| 364 | (u_int32_t)((time_uptime - (a)->ia6_updatetime)) > \ |
| 365 | (a)->ia6_lifetime.ia6t_vltime) |
| 366 | #endif |
| 367 | |
| 368 | /* |
| 369 | * Options for use with [gs]etsockopt at the IPV6 level. |
| 370 | * First word of comment is data type; bool is stored in int. |
| 371 | */ |
| 372 | /* no hdrincl */ |
| 373 | #if 0 |
| 374 | /* These are deprecated non-standard options which are no longer supported. */ |
| 375 | #define IPV6_OPTIONS 1 /* buf/ip6_opts; set/get IP6 options */ |
| 376 | #define IPV6_RECVOPTS 5 /* bool; receive all IP6 opts w/dgram */ |
| 377 | #define IPV6_RECVRETOPTS 6 /* bool; receive IP6 opts for response */ |
| 378 | #define IPV6_RECVDSTADDR 7 /* bool; receive IP6 dst addr w/dgram */ |
| 379 | #define IPV6_RETOPTS 8 /* ip6_opts; set/get IP6 options */ |
| 380 | #endif |
| 381 | #define IPV6_SOCKOPT_RESERVED1 3 /* reserved for future use */ |
| 382 | #define IPV6_UNICAST_HOPS 4 /* int; IP6 hops */ |
| 383 | #define IPV6_MULTICAST_IF 9 /* u_int; set/get IP6 multicast i/f */ |
| 384 | #define IPV6_MULTICAST_HOPS 10 /* int; set/get IP6 multicast hops */ |
| 385 | #define IPV6_MULTICAST_LOOP 11 /* u_int; set/get IP6 multicast loopback */ |
| 386 | /* The join and leave membership option numbers need to match with the v4 ones */ |
| 387 | #define IPV6_JOIN_GROUP 12 /* ip6_mreq; join a group membership */ |
| 388 | #define IPV6_LEAVE_GROUP 13 /* ip6_mreq; leave a group membership */ |
| 389 | #define IPV6_PORTRANGE 14 /* int; range to choose for unspec port */ |
| 390 | #if defined(_NETBSD_SOURCE) |
| 391 | #define IPV6_PORTALGO 17 /* int; port selection algo (rfc6056) */ |
| 392 | #define ICMP6_FILTER 18 /* icmp6_filter; icmp6 filter */ |
| 393 | #endif |
| 394 | /* RFC2292 options */ |
| 395 | #ifdef _KERNEL |
| 396 | #define IPV6_2292PKTINFO 19 /* bool; send/recv if, src/dst addr */ |
| 397 | #define IPV6_2292HOPLIMIT 20 /* bool; hop limit */ |
| 398 | #define IPV6_2292NEXTHOP 21 /* bool; next hop addr */ |
| 399 | #define IPV6_2292HOPOPTS 22 /* bool; hop-by-hop option */ |
| 400 | #define IPV6_2292DSTOPTS 23 /* bool; destination option */ |
| 401 | #define IPV6_2292RTHDR 24 /* bool; routing header */ |
| 402 | #define IPV6_2292PKTOPTIONS 25 /* buf/cmsghdr; set/get IPv6 options */ |
| 403 | #endif |
| 404 | #define IPV6_CHECKSUM 26 /* int; checksum offset for raw socket */ |
| 405 | #define IPV6_V6ONLY 27 /* bool; make AF_INET6 sockets v6 only */ |
| 406 | |
| 407 | #define IPV6_IPSEC_POLICY 28 /* struct; get/set security policy */ |
| 408 | #define IPV6_FAITH 29 /* bool; accept FAITH'ed connections */ |
| 409 | |
| 410 | /* new socket options introduced in RFC3542 */ |
| 411 | #define IPV6_RTHDRDSTOPTS 35 /* ip6_dest; send dst option before rthdr */ |
| 412 | |
| 413 | #define IPV6_RECVPKTINFO 36 /* bool; recv if, dst addr */ |
| 414 | #define IPV6_RECVHOPLIMIT 37 /* bool; recv hop limit */ |
| 415 | #define IPV6_RECVRTHDR 38 /* bool; recv routing header */ |
| 416 | #define IPV6_RECVHOPOPTS 39 /* bool; recv hop-by-hop option */ |
| 417 | #define IPV6_RECVDSTOPTS 40 /* bool; recv dst option after rthdr */ |
| 418 | #ifdef _KERNEL |
| 419 | #define IPV6_RECVRTHDRDSTOPTS 41 /* bool; recv dst option before rthdr */ |
| 420 | #endif |
| 421 | #define IPV6_USE_MIN_MTU 42 /* bool; send packets at the minimum MTU */ |
| 422 | #define IPV6_RECVPATHMTU 43 /* bool; notify an according MTU */ |
| 423 | #define IPV6_PATHMTU 44 /* mtuinfo; get the current path MTU (sopt), |
| 424 | 4 bytes int; MTU notification (cmsg) */ |
| 425 | |
| 426 | /* more new socket options introduced in RFC3542 */ |
| 427 | #define IPV6_PKTINFO 46 /* in6_pktinfo; send if, src addr */ |
| 428 | #define IPV6_HOPLIMIT 47 /* int; send hop limit */ |
| 429 | #define IPV6_NEXTHOP 48 /* sockaddr; next hop addr */ |
| 430 | #define IPV6_HOPOPTS 49 /* ip6_hbh; send hop-by-hop option */ |
| 431 | #define IPV6_DSTOPTS 50 /* ip6_dest; send dst option befor rthdr */ |
| 432 | #define IPV6_RTHDR 51 /* ip6_rthdr; send routing header */ |
| 433 | |
| 434 | #define IPV6_RECVTCLASS 57 /* bool; recv traffic class values */ |
| 435 | #ifdef _KERNEL |
| 436 | #define IPV6_OTCLASS 58 /* u_int8_t; send traffic class value */ |
| 437 | #endif |
| 438 | |
| 439 | #define IPV6_TCLASS 61 /* int; send traffic class value */ |
| 440 | #define IPV6_DONTFRAG 62 /* bool; disable IPv6 fragmentation */ |
| 441 | #define IPV6_PREFER_TEMPADDR 63 /* int; prefer temporary address as |
| 442 | * the sorce address */ |
| 443 | /* to define items, should talk with KAME guys first, for *BSD compatibility */ |
| 444 | |
| 445 | #define IPV6_RTHDR_LOOSE 0 /* this hop need not be a neighbor. XXX old spec */ |
| 446 | #define IPV6_RTHDR_STRICT 1 /* this hop must be a neighbor. XXX old spec */ |
| 447 | #define IPV6_RTHDR_TYPE_0 0 /* IPv6 routing header type 0 */ |
| 448 | |
| 449 | /* |
| 450 | * Defaults and limits for options |
| 451 | */ |
| 452 | #define IPV6_DEFAULT_MULTICAST_HOPS 1 /* normally limit m'casts to 1 hop */ |
| 453 | #define IPV6_DEFAULT_MULTICAST_LOOP 1 /* normally hear sends if a member */ |
| 454 | |
| 455 | /* |
| 456 | * Argument structure for IPV6_JOIN_GROUP and IPV6_LEAVE_GROUP. |
| 457 | */ |
| 458 | struct ipv6_mreq { |
| 459 | struct in6_addr ipv6mr_multiaddr; |
| 460 | unsigned int ipv6mr_interface; |
| 461 | }; |
| 462 | |
| 463 | /* |
| 464 | * IPV6_PKTINFO: Packet information(RFC2292 sec 5) |
| 465 | */ |
| 466 | struct in6_pktinfo { |
| 467 | struct in6_addr ipi6_addr; /* src/dst IPv6 address */ |
| 468 | unsigned int ipi6_ifindex; /* send/recv interface index */ |
| 469 | }; |
| 470 | |
| 471 | /* |
| 472 | * Control structure for IPV6_RECVPATHMTU socket option. |
| 473 | */ |
| 474 | struct ip6_mtuinfo { |
| 475 | struct sockaddr_in6 ip6m_addr; /* or sockaddr_storage? */ |
| 476 | uint32_t ip6m_mtu; |
| 477 | }; |
| 478 | |
| 479 | /* |
| 480 | * Argument for IPV6_PORTRANGE: |
| 481 | * - which range to search when port is unspecified at bind() or connect() |
| 482 | */ |
| 483 | #define IPV6_PORTRANGE_DEFAULT 0 /* default range */ |
| 484 | #define IPV6_PORTRANGE_HIGH 1 /* "high" - request firewall bypass */ |
| 485 | #define IPV6_PORTRANGE_LOW 2 /* "low" - vouchsafe security */ |
| 486 | |
| 487 | #if defined(_NETBSD_SOURCE) |
| 488 | /* |
| 489 | * Definitions for inet6 sysctl operations. |
| 490 | * |
| 491 | * Third level is protocol number. |
| 492 | * Fourth level is desired variable within that protocol. |
| 493 | */ |
| 494 | #define IPV6PROTO_MAXID (IPPROTO_PIM + 1) /* don't list to IPV6PROTO_MAX */ |
| 495 | |
| 496 | #define CTL_IPV6PROTO_NAMES { \ |
| 497 | { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ |
| 498 | { 0, 0 }, \ |
| 499 | { "tcp6", CTLTYPE_NODE }, \ |
| 500 | { 0, 0 }, \ |
| 501 | { 0, 0 }, \ |
| 502 | { 0, 0 }, \ |
| 503 | { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ |
| 504 | { 0, 0 }, \ |
| 505 | { 0, 0 }, \ |
| 506 | { "udp6", CTLTYPE_NODE }, \ |
| 507 | { 0, 0 }, \ |
| 508 | { 0, 0 }, \ |
| 509 | { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ |
| 510 | { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ |
| 511 | { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ |
| 512 | { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ |
| 513 | { 0, 0 }, \ |
| 514 | { "ip6", CTLTYPE_NODE }, \ |
| 515 | { 0, 0 }, \ |
| 516 | { 0, 0 }, \ |
| 517 | { 0, 0 }, \ |
| 518 | { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ |
| 519 | { 0, 0 }, \ |
| 520 | { "ipsec6", CTLTYPE_NODE }, \ |
| 521 | { 0, 0 }, \ |
| 522 | { 0, 0 }, \ |
| 523 | { 0, 0 }, \ |
| 524 | { 0, 0 }, \ |
| 525 | { 0, 0 }, \ |
| 526 | { 0, 0 }, \ |
| 527 | { "icmp6", CTLTYPE_NODE }, \ |
| 528 | { 0, 0 }, \ |
| 529 | { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ |
| 530 | { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ |
| 531 | { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ |
| 532 | { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ |
| 533 | { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ |
| 534 | { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ |
| 535 | { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ |
| 536 | { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, \ |
| 537 | { 0, 0 }, \ |
| 538 | { 0, 0 }, \ |
| 539 | { 0, 0 }, \ |
| 540 | { "pim6", CTLTYPE_NODE }, \ |
| 541 | } |
| 542 | |
| 543 | /* |
| 544 | * Names for IP sysctl objects |
| 545 | */ |
| 546 | #define IPV6CTL_FORWARDING 1 /* act as router */ |
| 547 | #define IPV6CTL_SENDREDIRECTS 2 /* may send redirects when forwarding*/ |
| 548 | #define IPV6CTL_DEFHLIM 3 /* default Hop-Limit */ |
| 549 | #ifdef notyet |
| 550 | #define IPV6CTL_DEFMTU 4 /* default MTU */ |
| 551 | #endif |
| 552 | #define IPV6CTL_FORWSRCRT 5 /* forward source-routed dgrams */ |
| 553 | #define IPV6CTL_STATS 6 /* stats */ |
| 554 | #define IPV6CTL_MRTSTATS 7 /* multicast forwarding stats */ |
| 555 | #define IPV6CTL_MRTPROTO 8 /* multicast routing protocol */ |
| 556 | #define IPV6CTL_MAXFRAGPACKETS 9 /* max packets reassembly queue */ |
| 557 | #define IPV6CTL_SOURCECHECK 10 /* verify source route and intf */ |
| 558 | #define IPV6CTL_SOURCECHECK_LOGINT 11 /* minimume logging interval */ |
| 559 | #define IPV6CTL_ACCEPT_RTADV 12 |
| 560 | #define IPV6CTL_KEEPFAITH 13 |
| 561 | #define IPV6CTL_LOG_INTERVAL 14 |
| 562 | #define IPV6CTL_HDRNESTLIMIT 15 |
| 563 | #define IPV6CTL_DAD_COUNT 16 |
| 564 | #define IPV6CTL_AUTO_FLOWLABEL 17 |
| 565 | #define IPV6CTL_DEFMCASTHLIM 18 |
| 566 | #define IPV6CTL_GIF_HLIM 19 /* default HLIM for gif encap packet */ |
| 567 | #define IPV6CTL_KAME_VERSION 20 |
| 568 | #define IPV6CTL_USE_DEPRECATED 21 /* use deprecated addr (RFC2462 5.5.4) */ |
| 569 | #define IPV6CTL_RR_PRUNE 22 /* walk timer for router renumbering */ |
| 570 | /* 23: reserved */ |
| 571 | #define IPV6CTL_V6ONLY 24 |
| 572 | /* 25 to 27: reserved */ |
| 573 | #define IPV6CTL_ANONPORTMIN 28 /* minimum ephemeral port */ |
| 574 | #define IPV6CTL_ANONPORTMAX 29 /* maximum ephemeral port */ |
| 575 | #define IPV6CTL_LOWPORTMIN 30 /* minimum reserved port */ |
| 576 | #define IPV6CTL_LOWPORTMAX 31 /* maximum reserved port */ |
| 577 | /* 32 to 34: reserved */ |
| 578 | #define IPV6CTL_AUTO_LINKLOCAL 35 /* automatic link-local addr assign */ |
| 579 | /* 36 to 37: reserved */ |
| 580 | #define IPV6CTL_ADDRCTLPOLICY 38 /* get/set address selection policy */ |
| 581 | #define IPV6CTL_USE_DEFAULTZONE 39 /* use default scope zone */ |
| 582 | /* 40: reserved */ |
| 583 | #define IPV6CTL_MAXFRAGS 41 /* max fragments */ |
| 584 | #define IPV6CTL_IFQ 42 /* IPv6 packet input queue */ |
| 585 | #define IPV6CTL_RTADV_MAXROUTES 43 /* maximum number of routes */ |
| 586 | /* via router advertisement */ |
| 587 | #define IPV6CTL_RTADV_NUMROUTES 44 /* current number of routes */ |
| 588 | /* via router advertisement */ |
| 589 | /* New entries should be added here from current IPV6CTL_MAXID value. */ |
| 590 | /* to define items, should talk with KAME guys first, for *BSD compatibility */ |
| 591 | #define IPV6CTL_MAXID 45 |
| 592 | |
| 593 | #define IPV6CTL_NAMES { \ |
| 594 | { 0, 0 }, \ |
| 595 | { "forwarding", CTLTYPE_INT }, \ |
| 596 | { "redirect", CTLTYPE_INT }, \ |
| 597 | { "hlim", CTLTYPE_INT }, \ |
| 598 | { "mtu", CTLTYPE_INT }, \ |
| 599 | { "forwsrcrt", CTLTYPE_INT }, \ |
| 600 | { "stats", CTLTYPE_STRUCT }, \ |
| 601 | { 0, 0 }, \ |
| 602 | { "mrtproto", CTLTYPE_INT }, \ |
| 603 | { "maxfragpackets", CTLTYPE_INT }, \ |
| 604 | { "sourcecheck", CTLTYPE_INT }, \ |
| 605 | { "sourcecheck_logint", CTLTYPE_INT }, \ |
| 606 | { "accept_rtadv", CTLTYPE_INT }, \ |
| 607 | { "keepfaith", CTLTYPE_INT }, \ |
| 608 | { "log_interval", CTLTYPE_INT }, \ |
| 609 | { "hdrnestlimit", CTLTYPE_INT }, \ |
| 610 | { "dad_count", CTLTYPE_INT }, \ |
| 611 | { "auto_flowlabel", CTLTYPE_INT }, \ |
| 612 | { "defmcasthlim", CTLTYPE_INT }, \ |
| 613 | { "gifhlim", CTLTYPE_INT }, \ |
| 614 | { "kame_version", CTLTYPE_STRING }, \ |
| 615 | { "use_deprecated", CTLTYPE_INT }, \ |
| 616 | { "rr_prune", CTLTYPE_INT }, \ |
| 617 | { 0, 0 }, \ |
| 618 | { "v6only", CTLTYPE_INT }, \ |
| 619 | { 0, 0 }, \ |
| 620 | { 0, 0 }, \ |
| 621 | { 0, 0 }, \ |
| 622 | { "anonportmin", CTLTYPE_INT }, \ |
| 623 | { "anonportmax", CTLTYPE_INT }, \ |
| 624 | { "lowportmin", CTLTYPE_INT }, \ |
| 625 | { "lowportmax", CTLTYPE_INT }, \ |
| 626 | { 0, 0 }, \ |
| 627 | { 0, 0 }, \ |
| 628 | { 0, 0 }, \ |
| 629 | { 0, 0 }, \ |
| 630 | { 0, 0 }, \ |
| 631 | { 0, 0 }, \ |
| 632 | { 0, 0 }, \ |
| 633 | { 0, 0 }, \ |
| 634 | { 0, 0 }, \ |
| 635 | { "maxfrags", CTLTYPE_INT }, \ |
| 636 | { "ifq", CTLTYPE_NODE }, \ |
| 637 | { "rtadv_maxroutes", CTLTYPE_INT }, \ |
| 638 | { "rtadv_numroutes", CTLTYPE_INT }, \ |
| 639 | } |
| 640 | |
| 641 | #endif /* _NETBSD_SOURCE */ |
| 642 | |
| 643 | #ifdef _KERNEL |
| 644 | struct cmsghdr; |
| 645 | |
| 646 | /* |
| 647 | * in6_cksum_phdr: |
| 648 | * |
| 649 | * Compute significant parts of the IPv6 checksum pseudo-header |
| 650 | * for use in a delayed TCP/UDP checksum calculation. |
| 651 | * |
| 652 | * Args: |
| 653 | * |
| 654 | * src Source IPv6 address |
| 655 | * dst Destination IPv6 address |
| 656 | * len htonl(proto-hdr-len) |
| 657 | * nxt htonl(next-proto-number) |
| 658 | * |
| 659 | * NOTE: We expect the src and dst addresses to be 16-bit |
| 660 | * aligned! |
| 661 | */ |
| 662 | static __inline u_int16_t __unused |
| 663 | in6_cksum_phdr(const struct in6_addr *src, const struct in6_addr *dst, |
| 664 | u_int32_t len, u_int32_t nxt) |
| 665 | { |
| 666 | u_int32_t sum = 0; |
| 667 | const u_int16_t *w; |
| 668 | |
| 669 | /*LINTED*/ |
| 670 | w = (const u_int16_t *) src; |
| 671 | sum += w[0]; |
| 672 | if (!IN6_IS_SCOPE_LINKLOCAL(src)) |
| 673 | sum += w[1]; |
| 674 | sum += w[2]; sum += w[3]; sum += w[4]; sum += w[5]; |
| 675 | sum += w[6]; sum += w[7]; |
| 676 | |
| 677 | /*LINTED*/ |
| 678 | w = (const u_int16_t *) dst; |
| 679 | sum += w[0]; |
| 680 | if (!IN6_IS_SCOPE_LINKLOCAL(dst)) |
| 681 | sum += w[1]; |
| 682 | sum += w[2]; sum += w[3]; sum += w[4]; sum += w[5]; |
| 683 | sum += w[6]; sum += w[7]; |
| 684 | |
| 685 | sum += (u_int16_t)(len >> 16) + (u_int16_t)(len /*& 0xffff*/); |
| 686 | |
| 687 | sum += (u_int16_t)(nxt >> 16) + (u_int16_t)(nxt /*& 0xffff*/); |
| 688 | |
| 689 | sum = (u_int16_t)(sum >> 16) + (u_int16_t)(sum /*& 0xffff*/); |
| 690 | |
| 691 | if (sum > 0xffff) |
| 692 | sum -= 0xffff; |
| 693 | |
| 694 | return (sum); |
| 695 | } |
| 696 | |
| 697 | struct mbuf; |
| 698 | struct ifnet; |
| 699 | int sockaddr_in6_cmp(const struct sockaddr *, const struct sockaddr *); |
| 700 | struct sockaddr *sockaddr_in6_externalize(struct sockaddr *, socklen_t, |
| 701 | const struct sockaddr *); |
| 702 | int in6_cksum(struct mbuf *, u_int8_t, u_int32_t, u_int32_t); |
| 703 | void in6_delayed_cksum(struct mbuf *); |
| 704 | int in6_localaddr(const struct in6_addr *); |
| 705 | int in6_addrscope(const struct in6_addr *); |
| 706 | struct in6_ifaddr *in6_ifawithifp(struct ifnet *, struct in6_addr *); |
| 707 | extern void in6_if_link_up(struct ifnet *); |
| 708 | extern void in6_if_link_down(struct ifnet *); |
| 709 | extern void in6_if_link_state_change(struct ifnet *, int); |
| 710 | extern void in6_if_up(struct ifnet *); |
| 711 | extern void in6_if_down(struct ifnet *); |
| 712 | extern void addrsel_policy_init(void); |
| 713 | extern u_char ip6_protox[]; |
| 714 | |
| 715 | #define satosin6(sa) ((struct sockaddr_in6 *)(sa)) |
| 716 | #define satocsin6(sa) ((const struct sockaddr_in6 *)(sa)) |
| 717 | #define sin6tosa(sin6) ((struct sockaddr *)(sin6)) |
| 718 | #define sin6tocsa(sin6) ((const struct sockaddr *)(sin6)) |
| 719 | #define ifatoia6(ifa) ((struct in6_ifaddr *)(ifa)) |
| 720 | |
| 721 | static inline void |
| 722 | sockaddr_in6_init1(struct sockaddr_in6 *sin6, const struct in6_addr *addr, |
| 723 | in_port_t port, uint32_t flowinfo, uint32_t scope_id) |
| 724 | { |
| 725 | sin6->sin6_port = port; |
| 726 | sin6->sin6_flowinfo = flowinfo; |
| 727 | sin6->sin6_addr = *addr; |
| 728 | sin6->sin6_scope_id = scope_id; |
| 729 | } |
| 730 | |
| 731 | static inline void |
| 732 | sockaddr_in6_init(struct sockaddr_in6 *sin6, const struct in6_addr *addr, |
| 733 | in_port_t port, uint32_t flowinfo, uint32_t scope_id) |
| 734 | { |
| 735 | sin6->sin6_family = AF_INET6; |
| 736 | sin6->sin6_len = sizeof(*sin6); |
| 737 | sockaddr_in6_init1(sin6, addr, port, flowinfo, scope_id); |
| 738 | } |
| 739 | |
| 740 | static inline struct sockaddr * |
| 741 | sockaddr_in6_alloc(const struct in6_addr *addr, in_port_t port, |
| 742 | uint32_t flowinfo, uint32_t scope_id, int flags) |
| 743 | { |
| 744 | struct sockaddr *sa; |
| 745 | |
| 746 | if ((sa = sockaddr_alloc(AF_INET6, sizeof(struct sockaddr_in6), |
| 747 | flags)) == NULL) |
| 748 | return NULL; |
| 749 | |
| 750 | sockaddr_in6_init1(satosin6(sa), addr, port, flowinfo, scope_id); |
| 751 | |
| 752 | return sa; |
| 753 | } |
| 754 | #endif /* _KERNEL */ |
| 755 | |
| 756 | #if defined(_NETBSD_SOURCE) |
| 757 | |
| 758 | #include <machine/ansi.h> |
| 759 | |
| 760 | #ifdef _BSD_SIZE_T_ |
| 761 | typedef _BSD_SIZE_T_ size_t; |
| 762 | #define _SIZE_T |
| 763 | #undef _BSD_SIZE_T_ |
| 764 | #endif |
| 765 | |
| 766 | #include <sys/cdefs.h> |
| 767 | |
| 768 | __BEGIN_DECLS |
| 769 | struct cmsghdr; |
| 770 | |
| 771 | void in6_in_2_v4mapin6(const struct in_addr *, struct in6_addr *); |
| 772 | void in6_sin6_2_sin(struct sockaddr_in *, struct sockaddr_in6 *); |
| 773 | void in6_sin_2_v4mapsin6(const struct sockaddr_in *, struct sockaddr_in6 *); |
| 774 | void in6_sin6_2_sin_in_sock(struct sockaddr *); |
| 775 | void in6_sin_2_v4mapsin6_in_sock(struct sockaddr **); |
| 776 | |
| 777 | #define INET6_IS_ADDR_LINKLOCAL 1 |
| 778 | #define INET6_IS_ADDR_MC_LINKLOCAL 2 |
| 779 | #define INET6_IS_ADDR_SITELOCAL 4 |
| 780 | void inet6_getscopeid(struct sockaddr_in6 *, int); |
| 781 | void inet6_putscopeid(struct sockaddr_in6 *, int); |
| 782 | |
| 783 | extern int inet6_option_space(int); |
| 784 | extern int inet6_option_init(void *, struct cmsghdr **, int); |
| 785 | extern int inet6_option_append(struct cmsghdr *, const uint8_t *, |
| 786 | int, int); |
| 787 | extern uint8_t *inet6_option_alloc(struct cmsghdr *, int, int, int); |
| 788 | extern int inet6_option_next(const struct cmsghdr *, uint8_t **); |
| 789 | extern int inet6_option_find(const struct cmsghdr *, uint8_t **, int); |
| 790 | |
| 791 | extern size_t inet6_rthdr_space(int, int); |
| 792 | extern struct cmsghdr *inet6_rthdr_init(void *, int); |
| 793 | extern int inet6_rthdr_add(struct cmsghdr *, const struct in6_addr *, |
| 794 | unsigned int); |
| 795 | extern int inet6_rthdr_lasthop(struct cmsghdr *, unsigned int); |
| 796 | #if 0 /* not implemented yet */ |
| 797 | extern int inet6_rthdr_reverse(const struct cmsghdr *, struct cmsghdr *); |
| 798 | #endif |
| 799 | extern int inet6_rthdr_segments(const struct cmsghdr *); |
| 800 | extern struct in6_addr *inet6_rthdr_getaddr(struct cmsghdr *, int); |
| 801 | extern int inet6_rthdr_getflags(const struct cmsghdr *, int); |
| 802 | |
| 803 | extern int inet6_opt_init(void *, socklen_t); |
| 804 | extern int inet6_opt_append(void *, socklen_t, int, uint8_t, |
| 805 | socklen_t, uint8_t, void **); |
| 806 | extern int inet6_opt_finish(void *, socklen_t, int); |
| 807 | extern int inet6_opt_set_val(void *, int, void *, socklen_t); |
| 808 | |
| 809 | extern int inet6_opt_next(void *, socklen_t, int, uint8_t *, |
| 810 | socklen_t *, void **); |
| 811 | extern int inet6_opt_find(void *, socklen_t, int, uint8_t, |
| 812 | socklen_t *, void **); |
| 813 | extern int inet6_opt_get_val(void *, int, void *, socklen_t); |
| 814 | extern socklen_t inet6_rth_space(int, int); |
| 815 | extern void *inet6_rth_init(void *, socklen_t, int, int); |
| 816 | extern int inet6_rth_add(void *, const struct in6_addr *); |
| 817 | extern int inet6_rth_reverse(const void *, void *); |
| 818 | extern int inet6_rth_segments(const void *); |
| 819 | extern struct in6_addr *inet6_rth_getaddr(const void *, int); |
| 820 | __END_DECLS |
| 821 | #endif /* _NETBSD_SOURCE */ |
| 822 | |
| 823 | #if defined(_KERNEL) || defined(_TEST) |
| 824 | int in6_print(char *, size_t, const struct in6_addr *); |
| 825 | #define IN6_PRINT(b, a) (in6_print((b), sizeof(b), (a)), (b)) |
| 826 | int sin6_print(char *, size_t, const void *); |
| 827 | #endif |
| 828 | |
| 829 | #endif /* !_NETINET6_IN6_H_ */ |
| 830 | |