1 /* 2 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 3 * Use is subject to license terms. 4 * 5 * Copyright 2011 Nexenta Systems, Inc. All rights reserved. 6 */ 7 /* 8 * Copyright (c) 1982, 1986 Regents of the University of California. 9 * All rights reserved. 10 * 11 * Redistribution and use in source and binary forms are permitted 12 * provided that this notice is preserved and that due credit is given 13 * to the University of California at Berkeley. The name of the University 14 * may not be used to endorse or promote products derived from this 15 * software without specific prior written permission. This software 16 * is provided ``as is'' without express or implied warranty. 17 */ 18 19 /* 20 * Constants and structures defined by the internet system, 21 * according to following documents 22 * 23 * Internet ASSIGNED NUMBERS (RFC1700) and its successors: 24 * http://www.iana.org/assignments/protocol-numbers 25 * http://www.iana.org/assignments/port-numbers 26 * Basic Socket Interface Extensions for IPv6 (RFC2133 and its successors) 27 * 28 */ 29 30 #ifndef _NETINET_IN_H 31 #define _NETINET_IN_H 32 33 #include <sys/feature_tests.h> 34 35 #ifdef __cplusplus 36 extern "C" { 37 #endif 38 39 #include <sys/types.h> 40 41 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 42 #include <sys/socket_impl.h> 43 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 44 45 #ifndef _SOCKLEN_T 46 #define _SOCKLEN_T 47 48 /* 49 * The socklen definitions are reproduced here from sys/socket.h so as to 50 * not introduce that namespace into existing users of netinet/in.h. 51 */ 52 #if defined(_XPG4_2) && !defined(_XPG5) && !defined(_LP64) 53 typedef size_t socklen_t; 54 #else 55 typedef uint32_t socklen_t; 56 #endif /* defined(_XPG4_2) && !defined(_XPG5) && !defined(_LP64) */ 57 58 #if defined(_XPG4_2) || defined(_BOOT) 59 typedef socklen_t *Psocklen_t; 60 #else 61 typedef void *Psocklen_t; 62 #endif /* defined(_XPG4_2) || defined(_BOOT) */ 63 64 #endif /* _SOCKLEN_T */ 65 66 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 67 #include <sys/stream.h> 68 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 69 /* 70 * Symbols such as htonl() are required to be exposed through this file, 71 * per XNS Issue 5. This is achieved by inclusion of <sys/byteorder.h> 72 */ 73 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) || defined(_XPG5) 74 #include <sys/byteorder.h> 75 #endif 76 77 #ifndef _IN_PORT_T 78 #define _IN_PORT_T 79 typedef uint16_t in_port_t; 80 #endif 81 82 /* 83 * Note: IPv4 address data structures usage conventions. 84 * The "in_addr_t" type below (required by Unix standards) 85 * is NOT a typedef of "struct in_addr" and violates the usual 86 * conventions where "struct <name>" and <name>_t are corresponding 87 * typedefs. 88 * To minimize confusion, kernel data structures/usage prefers use 89 * of "ipaddr_t" as atomic uint32_t type and avoid using "in_addr_t" 90 * The user level APIs continue to follow the historic popular 91 * practice of using "struct in_addr". 92 */ 93 #ifndef _IN_ADDR_T 94 #define _IN_ADDR_T 95 typedef uint32_t in_addr_t; 96 #endif 97 98 #ifndef _IPADDR_T 99 #define _IPADDR_T 100 typedef uint32_t ipaddr_t; 101 #endif 102 103 #if !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) 104 105 struct in6_addr { 106 union { 107 /* 108 * Note: Static initalizers of "union" type assume 109 * the constant on the RHS is the type of the first member 110 * of union. 111 * To make static initializers (and efficient usage) work, 112 * the order of members exposed to user and kernel view of 113 * this data structure is different. 114 * User environment sees specified uint8_t type as first 115 * member whereas kernel sees most efficient type as 116 * first member. 117 */ 118 #ifdef _KERNEL 119 uint32_t _S6_u32[4]; /* IPv6 address */ 120 uint8_t _S6_u8[16]; /* IPv6 address */ 121 #else 122 uint8_t _S6_u8[16]; /* IPv6 address */ 123 uint32_t _S6_u32[4]; /* IPv6 address */ 124 #endif 125 uint32_t __S6_align; /* Align on 32 bit boundary */ 126 } _S6_un; 127 }; 128 #define s6_addr _S6_un._S6_u8 129 130 #ifdef _KERNEL 131 #define s6_addr8 _S6_un._S6_u8 132 #define s6_addr32 _S6_un._S6_u32 133 #endif 134 135 typedef struct in6_addr in6_addr_t; 136 137 #endif /* !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) */ 138 139 #ifndef _SA_FAMILY_T 140 #define _SA_FAMILY_T 141 typedef uint16_t sa_family_t; 142 #endif 143 144 /* 145 * Protocols 146 * 147 * Some of these constant names are copied for the DTrace IP provider in 148 * usr/src/lib/libdtrace/common/{ip.d.in, ip.sed.in}, which should be kept 149 * in sync. 150 */ 151 #define IPPROTO_IP 0 /* dummy for IP */ 152 #define IPPROTO_HOPOPTS 0 /* Hop by hop header for IPv6 */ 153 #define IPPROTO_ICMP 1 /* control message protocol */ 154 #define IPPROTO_IGMP 2 /* group control protocol */ 155 #define IPPROTO_GGP 3 /* gateway^2 (deprecated) */ 156 #define IPPROTO_ENCAP 4 /* IP in IP encapsulation */ 157 #define IPPROTO_TCP 6 /* tcp */ 158 #define IPPROTO_EGP 8 /* exterior gateway protocol */ 159 #define IPPROTO_PUP 12 /* pup */ 160 #define IPPROTO_UDP 17 /* user datagram protocol */ 161 #define IPPROTO_IDP 22 /* xns idp */ 162 #define IPPROTO_IPV6 41 /* IPv6 encapsulated in IP */ 163 #define IPPROTO_ROUTING 43 /* Routing header for IPv6 */ 164 #define IPPROTO_FRAGMENT 44 /* Fragment header for IPv6 */ 165 #define IPPROTO_RSVP 46 /* rsvp */ 166 #define IPPROTO_ESP 50 /* IPsec Encap. Sec. Payload */ 167 #define IPPROTO_AH 51 /* IPsec Authentication Hdr. */ 168 #define IPPROTO_ICMPV6 58 /* ICMP for IPv6 */ 169 #define IPPROTO_NONE 59 /* No next header for IPv6 */ 170 #define IPPROTO_DSTOPTS 60 /* Destination options */ 171 #define IPPROTO_HELLO 63 /* "hello" routing protocol */ 172 #define IPPROTO_ND 77 /* UNOFFICIAL net disk proto */ 173 #define IPPROTO_EON 80 /* ISO clnp */ 174 #define IPPROTO_OSPF 89 /* OSPF */ 175 #define IPPROTO_PIM 103 /* PIM routing protocol */ 176 #define IPPROTO_SCTP 132 /* Stream Control */ 177 /* Transmission Protocol */ 178 179 #define IPPROTO_RAW 255 /* raw IP packet */ 180 #define IPPROTO_MAX 256 181 182 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 183 #define PROTO_SDP 257 /* Sockets Direct Protocol */ 184 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 185 186 /* 187 * Port/socket numbers: network standard functions 188 * 189 * Entries should exist here for each port number compiled into an ON 190 * component, such as snoop. 191 */ 192 #define IPPORT_ECHO 7 193 #define IPPORT_DISCARD 9 194 #define IPPORT_SYSTAT 11 195 #define IPPORT_DAYTIME 13 196 #define IPPORT_NETSTAT 15 197 #define IPPORT_CHARGEN 19 198 #define IPPORT_FTP 21 199 #define IPPORT_TELNET 23 200 #define IPPORT_SMTP 25 201 #define IPPORT_TIMESERVER 37 202 #define IPPORT_NAMESERVER 42 203 #define IPPORT_WHOIS 43 204 #define IPPORT_DOMAIN 53 205 #define IPPORT_MDNS 5353 206 #define IPPORT_MTP 57 207 208 /* 209 * Port/socket numbers: host specific functions 210 */ 211 #define IPPORT_BOOTPS 67 212 #define IPPORT_BOOTPC 68 213 #define IPPORT_TFTP 69 214 #define IPPORT_RJE 77 215 #define IPPORT_FINGER 79 216 #define IPPORT_HTTP 80 217 #define IPPORT_HTTP_ALT 8080 218 #define IPPORT_TTYLINK 87 219 #define IPPORT_SUPDUP 95 220 #define IPPORT_NTP 123 221 #define IPPORT_NETBIOS_NS 137 222 #define IPPORT_NETBIOS_DGM 138 223 #define IPPORT_NETBIOS_SSN 139 224 #define IPPORT_LDAP 389 225 #define IPPORT_SLP 427 226 #define IPPORT_MIP 434 227 #define IPPORT_SMB 445 /* a.k.a. microsoft-ds */ 228 229 /* 230 * Internet Key Exchange (IKE) ports 231 */ 232 #define IPPORT_IKE 500 233 #define IPPORT_IKE_NATT 4500 234 235 /* 236 * UNIX TCP sockets 237 */ 238 #define IPPORT_EXECSERVER 512 239 #define IPPORT_LOGINSERVER 513 240 #define IPPORT_CMDSERVER 514 241 #define IPPORT_PRINTER 515 242 #define IPPORT_EFSSERVER 520 243 244 /* 245 * UNIX UDP sockets 246 */ 247 #define IPPORT_BIFFUDP 512 248 #define IPPORT_WHOSERVER 513 249 #define IPPORT_SYSLOG 514 250 #define IPPORT_TALK 517 251 #define IPPORT_ROUTESERVER 520 252 #define IPPORT_RIPNG 521 253 254 /* 255 * DHCPv6 UDP ports 256 */ 257 #define IPPORT_DHCPV6C 546 258 #define IPPORT_DHCPV6S 547 259 260 #define IPPORT_SOCKS 1080 261 262 /* 263 * Ports < IPPORT_RESERVED are reserved for 264 * privileged processes (e.g. root). 265 * Ports > IPPORT_USERRESERVED are reserved 266 * for servers, not necessarily privileged. 267 */ 268 #define IPPORT_RESERVED 1024 269 #define IPPORT_USERRESERVED 5000 270 271 /* 272 * Link numbers 273 */ 274 #define IMPLINK_IP 155 275 #define IMPLINK_LOWEXPER 156 276 #define IMPLINK_HIGHEXPER 158 277 278 /* 279 * IPv4 Internet address 280 * This definition contains obsolete fields for compatibility 281 * with SunOS 3.x and 4.2bsd. The presence of subnets renders 282 * divisions into fixed fields misleading at best. New code 283 * should use only the s_addr field. 284 */ 285 286 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 287 #define _S_un_b S_un_b 288 #define _S_un_w S_un_w 289 #define _S_addr S_addr 290 #define _S_un S_un 291 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 292 293 struct in_addr { 294 union { 295 struct { uint8_t s_b1, s_b2, s_b3, s_b4; } _S_un_b; 296 struct { uint16_t s_w1, s_w2; } _S_un_w; 297 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 298 uint32_t _S_addr; 299 #else 300 in_addr_t _S_addr; 301 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 302 } _S_un; 303 #define s_addr _S_un._S_addr /* should be used for all code */ 304 #define s_host _S_un._S_un_b.s_b2 /* OBSOLETE: host on imp */ 305 #define s_net _S_un._S_un_b.s_b1 /* OBSOLETE: network */ 306 #define s_imp _S_un._S_un_w.s_w2 /* OBSOLETE: imp */ 307 #define s_impno _S_un._S_un_b.s_b4 /* OBSOLETE: imp # */ 308 #define s_lh _S_un._S_un_b.s_b3 /* OBSOLETE: logical host */ 309 }; 310 311 /* 312 * Definitions of bits in internet address integers. 313 * On subnets, the decomposition of addresses to host and net parts 314 * is done according to subnet mask, not the masks here. 315 * 316 * Note that with the introduction of CIDR, IN_CLASSA, IN_CLASSB, 317 * IN_CLASSC, IN_CLASSD and IN_CLASSE macros have become "de-facto 318 * obsolete". IN_MULTICAST macro should be used to test if a address 319 * is a multicast address. 320 */ 321 #define IN_CLASSA(i) (((i) & 0x80000000U) == 0) 322 #define IN_CLASSA_NET 0xff000000U 323 #define IN_CLASSA_NSHIFT 24 324 #define IN_CLASSA_HOST 0x00ffffffU 325 #define IN_CLASSA_MAX 128 326 327 #define IN_CLASSB(i) (((i) & 0xc0000000U) == 0x80000000U) 328 #define IN_CLASSB_NET 0xffff0000U 329 #define IN_CLASSB_NSHIFT 16 330 #define IN_CLASSB_HOST 0x0000ffffU 331 #define IN_CLASSB_MAX 65536 332 333 #define IN_CLASSC(i) (((i) & 0xe0000000U) == 0xc0000000U) 334 #define IN_CLASSC_NET 0xffffff00U 335 #define IN_CLASSC_NSHIFT 8 336 #define IN_CLASSC_HOST 0x000000ffU 337 338 #define IN_CLASSD(i) (((i) & 0xf0000000U) == 0xe0000000U) 339 #define IN_CLASSD_NET 0xf0000000U /* These aren't really */ 340 #define IN_CLASSD_NSHIFT 28 /* net and host fields, but */ 341 #define IN_CLASSD_HOST 0x0fffffffU /* routing needn't know */ 342 343 #define IN_CLASSE(i) (((i) & 0xf0000000U) == 0xf0000000U) 344 #define IN_CLASSE_NET 0xffffffffU 345 346 #define IN_MULTICAST(i) IN_CLASSD(i) 347 348 /* 349 * We have removed CLASS E checks from the kernel 350 * But we preserve these defines for userland in order 351 * to avoid compile breakage of some 3rd party piece of software 352 */ 353 #ifndef _KERNEL 354 #define IN_EXPERIMENTAL(i) (((i) & 0xe0000000U) == 0xe0000000U) 355 #define IN_BADCLASS(i) (((i) & 0xf0000000U) == 0xf0000000U) 356 #endif 357 358 #define INADDR_ANY 0x00000000U 359 #define INADDR_LOOPBACK 0x7F000001U 360 #define INADDR_BROADCAST 0xffffffffU /* must be masked */ 361 #define INADDR_NONE 0xffffffffU 362 363 #define INADDR_UNSPEC_GROUP 0xe0000000U /* 224.0.0.0 */ 364 #define INADDR_ALLHOSTS_GROUP 0xe0000001U /* 224.0.0.1 */ 365 #define INADDR_ALLRTRS_GROUP 0xe0000002U /* 224.0.0.2 */ 366 #define INADDR_ALLRPTS_GROUP 0xe0000016U /* 224.0.0.22, IGMPv3 */ 367 #define INADDR_MAX_LOCAL_GROUP 0xe00000ffU /* 224.0.0.255 */ 368 369 /* Scoped IPv4 prefixes (in host byte-order) */ 370 #define IN_AUTOCONF_NET 0xa9fe0000U /* 169.254/16 */ 371 #define IN_AUTOCONF_MASK 0xffff0000U 372 #define IN_PRIVATE8_NET 0x0a000000U /* 10/8 */ 373 #define IN_PRIVATE8_MASK 0xff000000U 374 #define IN_PRIVATE12_NET 0xac100000U /* 172.16/12 */ 375 #define IN_PRIVATE12_MASK 0xfff00000U 376 #define IN_PRIVATE16_NET 0xc0a80000U /* 192.168/16 */ 377 #define IN_PRIVATE16_MASK 0xffff0000U 378 379 /* RFC 3927 IPv4 link local address (i in host byte-order) */ 380 #define IN_LINKLOCAL(i) (((i) & IN_AUTOCONF_MASK) == IN_AUTOCONF_NET) 381 382 /* Well known 6to4 Relay Router Anycast address defined in RFC 3068 */ 383 #if !defined(_XPG4_2) || !defined(__EXTENSIONS__) 384 #define INADDR_6TO4RRANYCAST 0xc0586301U /* 192.88.99.1 */ 385 #endif /* !defined(_XPG4_2) || !defined(__EXTENSIONS__) */ 386 387 #define IN_LOOPBACKNET 127 /* official! */ 388 389 /* 390 * Define a macro to stuff the loopback address into an Internet address 391 */ 392 #if !defined(_XPG4_2) || !defined(__EXTENSIONS__) 393 #define IN_SET_LOOPBACK_ADDR(a) \ 394 { (a)->sin_addr.s_addr = htonl(INADDR_LOOPBACK); \ 395 (a)->sin_family = AF_INET; } 396 #endif /* !defined(_XPG4_2) || !defined(__EXTENSIONS__) */ 397 398 /* 399 * IPv4 Socket address. 400 */ 401 struct sockaddr_in { 402 sa_family_t sin_family; 403 in_port_t sin_port; 404 struct in_addr sin_addr; 405 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 406 char sin_zero[8]; 407 #else 408 unsigned char sin_zero[8]; 409 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 410 }; 411 412 #if !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) 413 /* 414 * IPv6 socket address. 415 */ 416 struct sockaddr_in6 { 417 sa_family_t sin6_family; 418 in_port_t sin6_port; 419 uint32_t sin6_flowinfo; 420 struct in6_addr sin6_addr; 421 uint32_t sin6_scope_id; /* Depends on scope of sin6_addr */ 422 uint32_t __sin6_src_id; /* Impl. specific - UDP replies */ 423 }; 424 425 /* 426 * Macros for accessing the traffic class and flow label fields from 427 * sin6_flowinfo. 428 * These are designed to be applied to a 32-bit value. 429 */ 430 #ifdef _BIG_ENDIAN 431 432 /* masks */ 433 #define IPV6_FLOWINFO_FLOWLABEL 0x000fffffU 434 #define IPV6_FLOWINFO_TCLASS 0x0ff00000U 435 436 #else /* _BIG_ENDIAN */ 437 438 /* masks */ 439 #define IPV6_FLOWINFO_FLOWLABEL 0xffff0f00U 440 #define IPV6_FLOWINFO_TCLASS 0x0000f00fU 441 442 #endif /* _BIG_ENDIAN */ 443 444 /* 445 * Note: Macros IN6ADDR_ANY_INIT and IN6ADDR_LOOPBACK_INIT are for 446 * use as RHS of Static initializers of "struct in6_addr" (or in6_addr_t) 447 * only. They need to be different for User/Kernel versions because union 448 * component data structure is defined differently (it is identical at 449 * binary representation level). 450 * 451 * const struct in6_addr IN6ADDR_ANY_INIT; 452 * const struct in6_addr IN6ADDR_LOOPBACK_INIT; 453 */ 454 455 456 #ifdef _KERNEL 457 #define IN6ADDR_ANY_INIT { 0, 0, 0, 0 } 458 459 #ifdef _BIG_ENDIAN 460 #define IN6ADDR_LOOPBACK_INIT { 0, 0, 0, 0x00000001U } 461 #else /* _BIG_ENDIAN */ 462 #define IN6ADDR_LOOPBACK_INIT { 0, 0, 0, 0x01000000U } 463 #endif /* _BIG_ENDIAN */ 464 465 #else 466 467 #define IN6ADDR_ANY_INIT { 0, 0, 0, 0, \ 468 0, 0, 0, 0, \ 469 0, 0, 0, 0, \ 470 0, 0, 0, 0 } 471 472 #define IN6ADDR_LOOPBACK_INIT { 0, 0, 0, 0, \ 473 0, 0, 0, 0, \ 474 0, 0, 0, 0, \ 475 0, 0, 0, 0x1U } 476 #endif /* _KERNEL */ 477 478 /* 479 * RFC 2553 specifies the following macros. Their type is defined 480 * as "int" in the RFC but they only have boolean significance 481 * (zero or non-zero). For the purposes of our comment notation, 482 * we assume a hypothetical type "bool" defined as follows to 483 * write the prototypes assumed for macros in our comments better. 484 * 485 * typedef int bool; 486 */ 487 488 /* 489 * IN6 macros used to test for special IPv6 addresses 490 * (Mostly from spec) 491 * 492 * bool IN6_IS_ADDR_UNSPECIFIED (const struct in6_addr *); 493 * bool IN6_IS_ADDR_LOOPBACK (const struct in6_addr *); 494 * bool IN6_IS_ADDR_MULTICAST (const struct in6_addr *); 495 * bool IN6_IS_ADDR_LINKLOCAL (const struct in6_addr *); 496 * bool IN6_IS_ADDR_SITELOCAL (const struct in6_addr *); 497 * bool IN6_IS_ADDR_V4MAPPED (const struct in6_addr *); 498 * bool IN6_IS_ADDR_V4MAPPED_ANY(const struct in6_addr *); -- Not from RFC2553 499 * bool IN6_IS_ADDR_V4COMPAT (const struct in6_addr *); 500 * bool IN6_IS_ADDR_MC_RESERVED (const struct in6_addr *); -- Not from RFC2553 501 * bool IN6_IS_ADDR_MC_NODELOCAL(const struct in6_addr *); 502 * bool IN6_IS_ADDR_MC_LINKLOCAL(const struct in6_addr *); 503 * bool IN6_IS_ADDR_MC_SITELOCAL(const struct in6_addr *); 504 * bool IN6_IS_ADDR_MC_ORGLOCAL (const struct in6_addr *); 505 * bool IN6_IS_ADDR_MC_GLOBAL (const struct in6_addr *); 506 * bool IN6_IS_ADDR_6TO4 (const struct in6_addr *); -- Not from RFC2553 507 * bool IN6_ARE_6TO4_PREFIX_EQUAL(const struct in6_addr *, 508 * const struct in6_addr *); -- Not from RFC2553 509 * bool IN6_IS_ADDR_LINKSCOPE (const struct in6addr *); -- Not from RFC2553 510 */ 511 512 #define IN6_IS_ADDR_UNSPECIFIED(addr) \ 513 (((addr)->_S6_un._S6_u32[3] == 0) && \ 514 ((addr)->_S6_un._S6_u32[2] == 0) && \ 515 ((addr)->_S6_un._S6_u32[1] == 0) && \ 516 ((addr)->_S6_un._S6_u32[0] == 0)) 517 518 #ifdef _BIG_ENDIAN 519 #define IN6_IS_ADDR_LOOPBACK(addr) \ 520 (((addr)->_S6_un._S6_u32[3] == 0x00000001) && \ 521 ((addr)->_S6_un._S6_u32[2] == 0) && \ 522 ((addr)->_S6_un._S6_u32[1] == 0) && \ 523 ((addr)->_S6_un._S6_u32[0] == 0)) 524 #else /* _BIG_ENDIAN */ 525 #define IN6_IS_ADDR_LOOPBACK(addr) \ 526 (((addr)->_S6_un._S6_u32[3] == 0x01000000) && \ 527 ((addr)->_S6_un._S6_u32[2] == 0) && \ 528 ((addr)->_S6_un._S6_u32[1] == 0) && \ 529 ((addr)->_S6_un._S6_u32[0] == 0)) 530 #endif /* _BIG_ENDIAN */ 531 532 #ifdef _BIG_ENDIAN 533 #define IN6_IS_ADDR_MULTICAST(addr) \ 534 (((addr)->_S6_un._S6_u32[0] & 0xff000000) == 0xff000000) 535 #else /* _BIG_ENDIAN */ 536 #define IN6_IS_ADDR_MULTICAST(addr) \ 537 (((addr)->_S6_un._S6_u32[0] & 0x000000ff) == 0x000000ff) 538 #endif /* _BIG_ENDIAN */ 539 540 #ifdef _BIG_ENDIAN 541 #define IN6_IS_ADDR_LINKLOCAL(addr) \ 542 (((addr)->_S6_un._S6_u32[0] & 0xffc00000) == 0xfe800000) 543 #else /* _BIG_ENDIAN */ 544 #define IN6_IS_ADDR_LINKLOCAL(addr) \ 545 (((addr)->_S6_un._S6_u32[0] & 0x0000c0ff) == 0x000080fe) 546 #endif /* _BIG_ENDIAN */ 547 548 #ifdef _BIG_ENDIAN 549 #define IN6_IS_ADDR_SITELOCAL(addr) \ 550 (((addr)->_S6_un._S6_u32[0] & 0xffc00000) == 0xfec00000) 551 #else /* _BIG_ENDIAN */ 552 #define IN6_IS_ADDR_SITELOCAL(addr) \ 553 (((addr)->_S6_un._S6_u32[0] & 0x0000c0ff) == 0x0000c0fe) 554 #endif /* _BIG_ENDIAN */ 555 556 #ifdef _BIG_ENDIAN 557 #define IN6_IS_ADDR_V4MAPPED(addr) \ 558 (((addr)->_S6_un._S6_u32[2] == 0x0000ffff) && \ 559 ((addr)->_S6_un._S6_u32[1] == 0) && \ 560 ((addr)->_S6_un._S6_u32[0] == 0)) 561 #else /* _BIG_ENDIAN */ 562 #define IN6_IS_ADDR_V4MAPPED(addr) \ 563 (((addr)->_S6_un._S6_u32[2] == 0xffff0000U) && \ 564 ((addr)->_S6_un._S6_u32[1] == 0) && \ 565 ((addr)->_S6_un._S6_u32[0] == 0)) 566 #endif /* _BIG_ENDIAN */ 567 568 /* 569 * IN6_IS_ADDR_V4MAPPED - A IPv4 mapped INADDR_ANY 570 * Note: This macro is currently NOT defined in RFC2553 specification 571 * and not a standard macro that portable applications should use. 572 */ 573 #ifdef _BIG_ENDIAN 574 #define IN6_IS_ADDR_V4MAPPED_ANY(addr) \ 575 (((addr)->_S6_un._S6_u32[3] == 0) && \ 576 ((addr)->_S6_un._S6_u32[2] == 0x0000ffff) && \ 577 ((addr)->_S6_un._S6_u32[1] == 0) && \ 578 ((addr)->_S6_un._S6_u32[0] == 0)) 579 #else /* _BIG_ENDIAN */ 580 #define IN6_IS_ADDR_V4MAPPED_ANY(addr) \ 581 (((addr)->_S6_un._S6_u32[3] == 0) && \ 582 ((addr)->_S6_un._S6_u32[2] == 0xffff0000U) && \ 583 ((addr)->_S6_un._S6_u32[1] == 0) && \ 584 ((addr)->_S6_un._S6_u32[0] == 0)) 585 #endif /* _BIG_ENDIAN */ 586 587 /* Exclude loopback and unspecified address */ 588 #ifdef _BIG_ENDIAN 589 #define IN6_IS_ADDR_V4COMPAT(addr) \ 590 (((addr)->_S6_un._S6_u32[2] == 0) && \ 591 ((addr)->_S6_un._S6_u32[1] == 0) && \ 592 ((addr)->_S6_un._S6_u32[0] == 0) && \ 593 !((addr)->_S6_un._S6_u32[3] == 0) && \ 594 !((addr)->_S6_un._S6_u32[3] == 0x00000001)) 595 596 #else /* _BIG_ENDIAN */ 597 #define IN6_IS_ADDR_V4COMPAT(addr) \ 598 (((addr)->_S6_un._S6_u32[2] == 0) && \ 599 ((addr)->_S6_un._S6_u32[1] == 0) && \ 600 ((addr)->_S6_un._S6_u32[0] == 0) && \ 601 !((addr)->_S6_un._S6_u32[3] == 0) && \ 602 !((addr)->_S6_un._S6_u32[3] == 0x01000000)) 603 #endif /* _BIG_ENDIAN */ 604 605 /* 606 * Note: 607 * IN6_IS_ADDR_MC_RESERVED macro is currently NOT defined in RFC2553 608 * specification and not a standard macro that portable applications 609 * should use. 610 */ 611 #ifdef _BIG_ENDIAN 612 #define IN6_IS_ADDR_MC_RESERVED(addr) \ 613 (((addr)->_S6_un._S6_u32[0] & 0xff0f0000) == 0xff000000) 614 615 #else /* _BIG_ENDIAN */ 616 #define IN6_IS_ADDR_MC_RESERVED(addr) \ 617 (((addr)->_S6_un._S6_u32[0] & 0x00000fff) == 0x000000ff) 618 #endif /* _BIG_ENDIAN */ 619 620 #ifdef _BIG_ENDIAN 621 #define IN6_IS_ADDR_MC_NODELOCAL(addr) \ 622 (((addr)->_S6_un._S6_u32[0] & 0xff0f0000) == 0xff010000) 623 #else /* _BIG_ENDIAN */ 624 #define IN6_IS_ADDR_MC_NODELOCAL(addr) \ 625 (((addr)->_S6_un._S6_u32[0] & 0x00000fff) == 0x000001ff) 626 #endif /* _BIG_ENDIAN */ 627 628 #ifdef _BIG_ENDIAN 629 #define IN6_IS_ADDR_MC_LINKLOCAL(addr) \ 630 (((addr)->_S6_un._S6_u32[0] & 0xff0f0000) == 0xff020000) 631 #else /* _BIG_ENDIAN */ 632 #define IN6_IS_ADDR_MC_LINKLOCAL(addr) \ 633 (((addr)->_S6_un._S6_u32[0] & 0x00000fff) == 0x000002ff) 634 #endif /* _BIG_ENDIAN */ 635 636 #ifdef _BIG_ENDIAN 637 #define IN6_IS_ADDR_MC_SITELOCAL(addr) \ 638 (((addr)->_S6_un._S6_u32[0] & 0xff0f0000) == 0xff050000) 639 #else /* _BIG_ENDIAN */ 640 #define IN6_IS_ADDR_MC_SITELOCAL(addr) \ 641 (((addr)->_S6_un._S6_u32[0] & 0x00000fff) == 0x000005ff) 642 #endif /* _BIG_ENDIAN */ 643 644 #ifdef _BIG_ENDIAN 645 #define IN6_IS_ADDR_MC_ORGLOCAL(addr) \ 646 (((addr)->_S6_un._S6_u32[0] & 0xff0f0000) == 0xff080000) 647 #else /* _BIG_ENDIAN */ 648 #define IN6_IS_ADDR_MC_ORGLOCAL(addr) \ 649 (((addr)->_S6_un._S6_u32[0] & 0x00000fff) == 0x000008ff) 650 #endif /* _BIG_ENDIAN */ 651 652 #ifdef _BIG_ENDIAN 653 #define IN6_IS_ADDR_MC_GLOBAL(addr) \ 654 (((addr)->_S6_un._S6_u32[0] & 0xff0f0000) == 0xff0e0000) 655 #else /* _BIG_ENDIAN */ 656 #define IN6_IS_ADDR_MC_GLOBAL(addr) \ 657 (((addr)->_S6_un._S6_u32[0] & 0x00000fff) == 0x00000eff) 658 #endif /* _BIG_ENDIAN */ 659 660 /* 661 * The IN6_IS_ADDR_MC_SOLICITEDNODE macro is not defined in any standard or 662 * RFC, and shouldn't be used by portable applications. It is used to see 663 * if an address is a solicited-node multicast address, which is prefixed 664 * with ff02:0:0:0:0:1:ff00::/104. 665 */ 666 #ifdef _BIG_ENDIAN 667 #define IN6_IS_ADDR_MC_SOLICITEDNODE(addr) \ 668 (((addr)->_S6_un._S6_u32[0] == 0xff020000) && \ 669 ((addr)->_S6_un._S6_u32[1] == 0x00000000) && \ 670 ((addr)->_S6_un._S6_u32[2] == 0x00000001) && \ 671 (((addr)->_S6_un._S6_u32[3] & 0xff000000) == 0xff000000)) 672 #else 673 #define IN6_IS_ADDR_MC_SOLICITEDNODE(addr) \ 674 (((addr)->_S6_un._S6_u32[0] == 0x000002ff) && \ 675 ((addr)->_S6_un._S6_u32[1] == 0x00000000) && \ 676 ((addr)->_S6_un._S6_u32[2] == 0x01000000) && \ 677 (((addr)->_S6_un._S6_u32[3] & 0x000000ff) == 0x000000ff)) 678 #endif 679 680 /* 681 * Macros to a) test for 6to4 IPv6 address, and b) to test if two 682 * 6to4 addresses have the same /48 prefix, and, hence, are from the 683 * same 6to4 site. 684 */ 685 686 #ifdef _BIG_ENDIAN 687 #define IN6_IS_ADDR_6TO4(addr) \ 688 (((addr)->_S6_un._S6_u32[0] & 0xffff0000) == 0x20020000) 689 #else /* _BIG_ENDIAN */ 690 #define IN6_IS_ADDR_6TO4(addr) \ 691 (((addr)->_S6_un._S6_u32[0] & 0x0000ffff) == 0x00000220) 692 #endif /* _BIG_ENDIAN */ 693 694 #define IN6_ARE_6TO4_PREFIX_EQUAL(addr1, addr2) \ 695 (((addr1)->_S6_un._S6_u32[0] == (addr2)->_S6_un._S6_u32[0]) && \ 696 ((addr1)->_S6_un._S6_u8[4] == (addr2)->_S6_un._S6_u8[4]) && \ 697 ((addr1)->_S6_un._S6_u8[5] == (addr2)->_S6_un._S6_u8[5])) 698 699 /* 700 * IN6_IS_ADDR_LINKSCOPE 701 * Identifies an address as being either link-local, link-local multicast or 702 * node-local multicast. All types of addresses are considered to be unique 703 * within the scope of a given link. 704 */ 705 #define IN6_IS_ADDR_LINKSCOPE(addr) \ 706 (IN6_IS_ADDR_LINKLOCAL(addr) || IN6_IS_ADDR_MC_LINKLOCAL(addr) || \ 707 IN6_IS_ADDR_MC_NODELOCAL(addr)) 708 709 /* 710 * Useful utility macros for operations with IPv6 addresses 711 * Note: These macros are NOT defined in the RFC2553 or any other 712 * standard specification and are not standard macros that portable 713 * applications should use. 714 */ 715 716 /* 717 * IN6_V4MAPPED_TO_INADDR 718 * IN6_V4MAPPED_TO_IPADDR 719 * Assign a IPv4-Mapped IPv6 address to an IPv4 address. 720 * Note: These macros are NOT defined in RFC2553 or any other standard 721 * specification and are not macros that portable applications should 722 * use. 723 * 724 * void IN6_V4MAPPED_TO_INADDR(const in6_addr_t *v6, struct in_addr *v4); 725 * void IN6_V4MAPPED_TO_IPADDR(const in6_addr_t *v6, ipaddr_t v4); 726 * 727 */ 728 #define IN6_V4MAPPED_TO_INADDR(v6, v4) \ 729 ((v4)->s_addr = (v6)->_S6_un._S6_u32[3]) 730 #define IN6_V4MAPPED_TO_IPADDR(v6, v4) \ 731 ((v4) = (v6)->_S6_un._S6_u32[3]) 732 733 /* 734 * IN6_INADDR_TO_V4MAPPED 735 * IN6_IPADDR_TO_V4MAPPED 736 * Assign a IPv4 address address to an IPv6 address as a IPv4-mapped 737 * address. 738 * Note: These macros are NOT defined in RFC2553 or any other standard 739 * specification and are not macros that portable applications should 740 * use. 741 * 742 * void IN6_INADDR_TO_V4MAPPED(const struct in_addr *v4, in6_addr_t *v6); 743 * void IN6_IPADDR_TO_V4MAPPED(const ipaddr_t v4, in6_addr_t *v6); 744 * 745 */ 746 #ifdef _BIG_ENDIAN 747 #define IN6_INADDR_TO_V4MAPPED(v4, v6) \ 748 ((v6)->_S6_un._S6_u32[3] = (v4)->s_addr, \ 749 (v6)->_S6_un._S6_u32[2] = 0x0000ffff, \ 750 (v6)->_S6_un._S6_u32[1] = 0, \ 751 (v6)->_S6_un._S6_u32[0] = 0) 752 #define IN6_IPADDR_TO_V4MAPPED(v4, v6) \ 753 ((v6)->_S6_un._S6_u32[3] = (v4), \ 754 (v6)->_S6_un._S6_u32[2] = 0x0000ffff, \ 755 (v6)->_S6_un._S6_u32[1] = 0, \ 756 (v6)->_S6_un._S6_u32[0] = 0) 757 #else /* _BIG_ENDIAN */ 758 #define IN6_INADDR_TO_V4MAPPED(v4, v6) \ 759 ((v6)->_S6_un._S6_u32[3] = (v4)->s_addr, \ 760 (v6)->_S6_un._S6_u32[2] = 0xffff0000U, \ 761 (v6)->_S6_un._S6_u32[1] = 0, \ 762 (v6)->_S6_un._S6_u32[0] = 0) 763 #define IN6_IPADDR_TO_V4MAPPED(v4, v6) \ 764 ((v6)->_S6_un._S6_u32[3] = (v4), \ 765 (v6)->_S6_un._S6_u32[2] = 0xffff0000U, \ 766 (v6)->_S6_un._S6_u32[1] = 0, \ 767 (v6)->_S6_un._S6_u32[0] = 0) 768 #endif /* _BIG_ENDIAN */ 769 770 /* 771 * IN6_6TO4_TO_V4ADDR 772 * Extract the embedded IPv4 address from the prefix to a 6to4 IPv6 773 * address. 774 * Note: This macro is NOT defined in RFC2553 or any other standard 775 * specification and is not a macro that portable applications should 776 * use. 777 * Note: we don't use the IPADDR form of the macro because we need 778 * to do a bytewise copy; the V4ADDR in the 6to4 address is not 779 * 32-bit aligned. 780 * 781 * void IN6_6TO4_TO_V4ADDR(const in6_addr_t *v6, struct in_addr *v4); 782 * 783 */ 784 #define IN6_6TO4_TO_V4ADDR(v6, v4) \ 785 ((v4)->_S_un._S_un_b.s_b1 = (v6)->_S6_un._S6_u8[2], \ 786 (v4)->_S_un._S_un_b.s_b2 = (v6)->_S6_un._S6_u8[3], \ 787 (v4)->_S_un._S_un_b.s_b3 = (v6)->_S6_un._S6_u8[4], \ 788 (v4)->_S_un._S_un_b.s_b4 = (v6)->_S6_un._S6_u8[5]) 789 790 /* 791 * IN6_V4ADDR_TO_6TO4 792 * Given an IPv4 address and an IPv6 address for output, a 6to4 address 793 * will be created from the IPv4 Address. 794 * Note: This method for creating 6to4 addresses is not standardized 795 * outside of Solaris. The newly created 6to4 address will be of the form 796 * 2002:<V4ADDR>:<SUBNETID>::<HOSTID>, where SUBNETID will equal 0 and 797 * HOSTID will equal 1. 798 * 799 * void IN6_V4ADDR_TO_6TO4(const struct in_addr *v4, in6_addr_t *v6) 800 * 801 */ 802 #ifdef _BIG_ENDIAN 803 #define IN6_V4ADDR_TO_6TO4(v4, v6) \ 804 ((v6)->_S6_un._S6_u8[0] = 0x20, \ 805 (v6)->_S6_un._S6_u8[1] = 0x02, \ 806 (v6)->_S6_un._S6_u8[2] = (v4)->_S_un._S_un_b.s_b1, \ 807 (v6)->_S6_un._S6_u8[3] = (v4)->_S_un._S_un_b.s_b2, \ 808 (v6)->_S6_un._S6_u8[4] = (v4)->_S_un._S_un_b.s_b3, \ 809 (v6)->_S6_un._S6_u8[5] = (v4)->_S_un._S_un_b.s_b4, \ 810 (v6)->_S6_un._S6_u8[6] = 0, \ 811 (v6)->_S6_un._S6_u8[7] = 0, \ 812 (v6)->_S6_un._S6_u32[2] = 0, \ 813 (v6)->_S6_un._S6_u32[3] = 0x00000001U) 814 #else 815 #define IN6_V4ADDR_TO_6TO4(v4, v6) \ 816 ((v6)->_S6_un._S6_u8[0] = 0x20, \ 817 (v6)->_S6_un._S6_u8[1] = 0x02, \ 818 (v6)->_S6_un._S6_u8[2] = (v4)->_S_un._S_un_b.s_b1, \ 819 (v6)->_S6_un._S6_u8[3] = (v4)->_S_un._S_un_b.s_b2, \ 820 (v6)->_S6_un._S6_u8[4] = (v4)->_S_un._S_un_b.s_b3, \ 821 (v6)->_S6_un._S6_u8[5] = (v4)->_S_un._S_un_b.s_b4, \ 822 (v6)->_S6_un._S6_u8[6] = 0, \ 823 (v6)->_S6_un._S6_u8[7] = 0, \ 824 (v6)->_S6_un._S6_u32[2] = 0, \ 825 (v6)->_S6_un._S6_u32[3] = 0x01000000U) 826 #endif /* _BIG_ENDIAN */ 827 828 /* 829 * IN6_ARE_ADDR_EQUAL (defined in RFC2292) 830 * Compares if IPv6 addresses are equal. 831 * Note: Compares in order of high likelyhood of a miss so we minimize 832 * compares. (Current heuristic order, compare in reverse order of 833 * uint32_t units) 834 * 835 * bool IN6_ARE_ADDR_EQUAL(const struct in6_addr *, 836 * const struct in6_addr *); 837 */ 838 #define IN6_ARE_ADDR_EQUAL(addr1, addr2) \ 839 (((addr1)->_S6_un._S6_u32[3] == (addr2)->_S6_un._S6_u32[3]) && \ 840 ((addr1)->_S6_un._S6_u32[2] == (addr2)->_S6_un._S6_u32[2]) && \ 841 ((addr1)->_S6_un._S6_u32[1] == (addr2)->_S6_un._S6_u32[1]) && \ 842 ((addr1)->_S6_un._S6_u32[0] == (addr2)->_S6_un._S6_u32[0])) 843 844 /* 845 * IN6_ARE_PREFIXEDADDR_EQUAL (not defined in RFCs) 846 * Compares if prefixed parts of IPv6 addresses are equal. 847 * 848 * uint32_t IN6_MASK_FROM_PREFIX(int, int); 849 * bool IN6_ARE_PREFIXEDADDR_EQUAL(const struct in6_addr *, 850 * const struct in6_addr *, 851 * int); 852 */ 853 #define IN6_MASK_FROM_PREFIX(qoctet, prefix) \ 854 ((((qoctet) + 1) * 32 < (prefix)) ? 0xFFFFFFFFu : \ 855 ((((qoctet) * 32) >= (prefix)) ? 0x00000000u : \ 856 0xFFFFFFFFu << (((qoctet) + 1) * 32 - (prefix)))) 857 858 #define IN6_ARE_PREFIXEDADDR_EQUAL(addr1, addr2, prefix) \ 859 (((ntohl((addr1)->_S6_un._S6_u32[0]) & \ 860 IN6_MASK_FROM_PREFIX(0, prefix)) == \ 861 (ntohl((addr2)->_S6_un._S6_u32[0]) & \ 862 IN6_MASK_FROM_PREFIX(0, prefix))) && \ 863 ((ntohl((addr1)->_S6_un._S6_u32[1]) & \ 864 IN6_MASK_FROM_PREFIX(1, prefix)) == \ 865 (ntohl((addr2)->_S6_un._S6_u32[1]) & \ 866 IN6_MASK_FROM_PREFIX(1, prefix))) && \ 867 ((ntohl((addr1)->_S6_un._S6_u32[2]) & \ 868 IN6_MASK_FROM_PREFIX(2, prefix)) == \ 869 (ntohl((addr2)->_S6_un._S6_u32[2]) & \ 870 IN6_MASK_FROM_PREFIX(2, prefix))) && \ 871 ((ntohl((addr1)->_S6_un._S6_u32[3]) & \ 872 IN6_MASK_FROM_PREFIX(3, prefix)) == \ 873 (ntohl((addr2)->_S6_un._S6_u32[3]) & \ 874 IN6_MASK_FROM_PREFIX(3, prefix)))) 875 876 #endif /* !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) */ 877 878 879 /* 880 * Options for use with [gs]etsockopt at the IP level. 881 * 882 * Note: Some of the IP_ namespace has conflict with and 883 * and is exposed through <xti.h>. (It also requires exposing 884 * options not implemented). The options with potential 885 * for conflicts use #ifndef guards. 886 */ 887 #ifndef IP_OPTIONS 888 #define IP_OPTIONS 1 /* set/get IP per-packet options */ 889 #endif 890 891 #define IP_HDRINCL 2 /* int; header is included with data (raw) */ 892 893 #ifndef IP_TOS 894 #define IP_TOS 3 /* int; IP type of service and precedence */ 895 #endif 896 897 #ifndef IP_TTL 898 #define IP_TTL 4 /* int; IP time to live */ 899 #endif 900 901 #define IP_RECVOPTS 0x5 /* int; receive all IP options w/datagram */ 902 #define IP_RECVRETOPTS 0x6 /* int; receive IP options for response */ 903 #define IP_RECVDSTADDR 0x7 /* int; receive IP dst addr w/datagram */ 904 #define IP_RETOPTS 0x8 /* ip_opts; set/get IP per-packet options */ 905 #define IP_RECVIF 0x9 /* int; receive the inbound interface index */ 906 #define IP_RECVSLLA 0xa /* sockaddr_dl; get source link layer address */ 907 #define IP_RECVTTL 0xb /* uint8_t; get TTL for inbound packet */ 908 909 #define IP_MULTICAST_IF 0x10 /* set/get IP multicast interface */ 910 #define IP_MULTICAST_TTL 0x11 /* set/get IP multicast timetolive */ 911 #define IP_MULTICAST_LOOP 0x12 /* set/get IP multicast loopback */ 912 #define IP_ADD_MEMBERSHIP 0x13 /* add an IP group membership */ 913 #define IP_DROP_MEMBERSHIP 0x14 /* drop an IP group membership */ 914 #define IP_BLOCK_SOURCE 0x15 /* block mcast pkts from source */ 915 #define IP_UNBLOCK_SOURCE 0x16 /* unblock mcast pkts from source */ 916 #define IP_ADD_SOURCE_MEMBERSHIP 0x17 /* add mcast group/source pair */ 917 #define IP_DROP_SOURCE_MEMBERSHIP 0x18 /* drop mcast group/source pair */ 918 #define IP_NEXTHOP 0x19 /* send directly to next hop */ 919 /* 920 * IP_PKTINFO and IP_RECVPKTINFO have same value. Size of argument passed in 921 * is used to differentiate b/w the two. 922 */ 923 #define IP_PKTINFO 0x1a /* specify src address and/or index */ 924 #define IP_RECVPKTINFO 0x1a /* recv dest/matched addr and index */ 925 #define IP_DONTFRAG 0x1b /* don't fragment packets */ 926 927 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 928 /* 929 * Different preferences that can be requested from IPSEC protocols. 930 */ 931 #define IP_SEC_OPT 0x22 /* Used to set IPSEC options */ 932 #define IPSEC_PREF_NEVER 0x01 933 #define IPSEC_PREF_REQUIRED 0x02 934 #define IPSEC_PREF_UNIQUE 0x04 935 /* 936 * This can be used with the setsockopt() call to set per socket security 937 * options. When the application uses per-socket API, we will reflect 938 * the request on both outbound and inbound packets. 939 */ 940 941 typedef struct ipsec_req { 942 uint_t ipsr_ah_req; /* AH request */ 943 uint_t ipsr_esp_req; /* ESP request */ 944 uint_t ipsr_self_encap_req; /* Self-Encap request */ 945 uint8_t ipsr_auth_alg; /* Auth algs for AH */ 946 uint8_t ipsr_esp_alg; /* Encr algs for ESP */ 947 uint8_t ipsr_esp_auth_alg; /* Auth algs for ESP */ 948 } ipsec_req_t; 949 950 /* 951 * MCAST_* options are protocol-independent. The actual definitions 952 * are with the v6 options below; this comment is here to note the 953 * namespace usage. 954 * 955 * #define MCAST_JOIN_GROUP 0x29 956 * #define MCAST_LEAVE_GROUP 0x2a 957 * #define MCAST_BLOCK_SOURCE 0x2b 958 * #define MCAST_UNBLOCK_SOURCE 0x2c 959 * #define MCAST_JOIN_SOURCE_GROUP 0x2d 960 * #define MCAST_LEAVE_SOURCE_GROUP 0x2e 961 */ 962 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 963 964 /* 965 * SunOS private (potentially not portable) IP_ option names 966 */ 967 #define IP_BOUND_IF 0x41 /* bind socket to an ifindex */ 968 #define IP_UNSPEC_SRC 0x42 /* use unspecified source address */ 969 #define IP_BROADCAST_TTL 0x43 /* use specific TTL for broadcast */ 970 /* can be reused 0x44 */ 971 #define IP_DHCPINIT_IF 0x45 /* accept all unicast DHCP traffic */ 972 973 /* 974 * Option values and names (when !_XPG5) shared with <xti_inet.h> 975 */ 976 #ifndef IP_REUSEADDR 977 #define IP_REUSEADDR 0x104 978 #endif 979 980 #ifndef IP_DONTROUTE 981 #define IP_DONTROUTE 0x105 982 #endif 983 984 #ifndef IP_BROADCAST 985 #define IP_BROADCAST 0x106 986 #endif 987 988 /* 989 * The following option values are reserved by <xti_inet.h> 990 * 991 * T_IP_OPTIONS 0x107 - IP per-packet options 992 * T_IP_TOS 0x108 - IP per packet type of service 993 */ 994 995 /* 996 * Default value constants for multicast attributes controlled by 997 * IP*_MULTICAST_LOOP and IP*_MULTICAST_{TTL,HOPS} options. 998 */ 999 #define IP_DEFAULT_MULTICAST_TTL 1 /* normally limit m'casts to 1 hop */ 1000 #define IP_DEFAULT_MULTICAST_LOOP 1 /* normally hear sends if a member */ 1001 1002 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 1003 /* 1004 * Argument structure for IP_ADD_MEMBERSHIP and IP_DROP_MEMBERSHIP. 1005 */ 1006 struct ip_mreq { 1007 struct in_addr imr_multiaddr; /* IP multicast address of group */ 1008 struct in_addr imr_interface; /* local IP address of interface */ 1009 }; 1010 1011 /* 1012 * Argument structure for IP_BLOCK_SOURCE, IP_UNBLOCK_SOURCE, 1013 * IP_ADD_SOURCE_MEMBERSHIP, and IP_DROP_SOURCE_MEMBERSHIP. 1014 */ 1015 struct ip_mreq_source { 1016 struct in_addr imr_multiaddr; /* IP address of group */ 1017 struct in_addr imr_sourceaddr; /* IP address of source */ 1018 struct in_addr imr_interface; /* IP address of interface */ 1019 }; 1020 1021 /* 1022 * Argument structure for IPV6_JOIN_GROUP and IPV6_LEAVE_GROUP on 1023 * IPv6 addresses. 1024 */ 1025 struct ipv6_mreq { 1026 struct in6_addr ipv6mr_multiaddr; /* IPv6 multicast addr */ 1027 unsigned int ipv6mr_interface; /* interface index */ 1028 }; 1029 1030 /* 1031 * Use #pragma pack() construct to force 32-bit alignment on amd64. 1032 * This is needed to keep the structure size and offsets consistent 1033 * between a 32-bit app and the 64-bit amd64 kernel in structures 1034 * where 64-bit alignment would create gaps (in this case, structures 1035 * which have a uint32_t followed by a struct sockaddr_storage). 1036 */ 1037 #if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4 1038 #pragma pack(4) 1039 #endif 1040 1041 /* 1042 * Argument structure for MCAST_JOIN_GROUP and MCAST_LEAVE_GROUP. 1043 */ 1044 struct group_req { 1045 uint32_t gr_interface; /* interface index */ 1046 struct sockaddr_storage gr_group; /* group address */ 1047 }; 1048 1049 /* 1050 * Argument structure for MCAST_BLOCK_SOURCE, MCAST_UNBLOCK_SOURCE, 1051 * MCAST_JOIN_SOURCE_GROUP, MCAST_LEAVE_SOURCE_GROUP. 1052 */ 1053 struct group_source_req { 1054 uint32_t gsr_interface; /* interface index */ 1055 struct sockaddr_storage gsr_group; /* group address */ 1056 struct sockaddr_storage gsr_source; /* source address */ 1057 }; 1058 1059 /* 1060 * Argument for SIOC[GS]MSFILTER ioctls 1061 */ 1062 struct group_filter { 1063 uint32_t gf_interface; /* interface index */ 1064 struct sockaddr_storage gf_group; /* multicast address */ 1065 uint32_t gf_fmode; /* filter mode */ 1066 uint32_t gf_numsrc; /* number of sources */ 1067 struct sockaddr_storage gf_slist[1]; /* source address */ 1068 }; 1069 1070 #if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4 1071 #pragma pack() 1072 #endif 1073 1074 #define GROUP_FILTER_SIZE(numsrc) \ 1075 (sizeof (struct group_filter) - sizeof (struct sockaddr_storage) \ 1076 + (numsrc) * sizeof (struct sockaddr_storage)) 1077 1078 /* 1079 * Argument for SIOC[GS]IPMSFILTER ioctls (IPv4-specific) 1080 */ 1081 struct ip_msfilter { 1082 struct in_addr imsf_multiaddr; /* IP multicast address of group */ 1083 struct in_addr imsf_interface; /* local IP address of interface */ 1084 uint32_t imsf_fmode; /* filter mode */ 1085 uint32_t imsf_numsrc; /* number of sources in src_list */ 1086 struct in_addr imsf_slist[1]; /* start of source list */ 1087 }; 1088 1089 #define IP_MSFILTER_SIZE(numsrc) \ 1090 (sizeof (struct ip_msfilter) - sizeof (struct in_addr) \ 1091 + (numsrc) * sizeof (struct in_addr)) 1092 1093 /* 1094 * Multicast source filter manipulation functions in libsocket; 1095 * defined in RFC 3678. 1096 */ 1097 int setsourcefilter(int, uint32_t, struct sockaddr *, socklen_t, uint32_t, 1098 uint_t, struct sockaddr_storage *); 1099 1100 int getsourcefilter(int, uint32_t, struct sockaddr *, socklen_t, uint32_t *, 1101 uint_t *, struct sockaddr_storage *); 1102 1103 int setipv4sourcefilter(int, struct in_addr, struct in_addr, uint32_t, 1104 uint32_t, struct in_addr *); 1105 1106 int getipv4sourcefilter(int, struct in_addr, struct in_addr, uint32_t *, 1107 uint32_t *, struct in_addr *); 1108 1109 /* 1110 * Definitions needed for [gs]etsourcefilter(), [gs]etipv4sourcefilter() 1111 */ 1112 #define MCAST_INCLUDE 1 1113 #define MCAST_EXCLUDE 2 1114 1115 /* 1116 * Argument struct for IP_PKTINFO option 1117 */ 1118 typedef struct in_pktinfo { 1119 unsigned int ipi_ifindex; /* send/recv interface index */ 1120 struct in_addr ipi_spec_dst; /* matched source address */ 1121 struct in_addr ipi_addr; /* src/dst address in IP hdr */ 1122 } in_pktinfo_t; 1123 1124 /* 1125 * Argument struct for IPV6_PKTINFO option 1126 */ 1127 struct in6_pktinfo { 1128 struct in6_addr ipi6_addr; /* src/dst IPv6 address */ 1129 unsigned int ipi6_ifindex; /* send/recv interface index */ 1130 }; 1131 1132 /* 1133 * Argument struct for IPV6_MTUINFO option 1134 */ 1135 struct ip6_mtuinfo { 1136 struct sockaddr_in6 ip6m_addr; /* dst address including zone ID */ 1137 uint32_t ip6m_mtu; /* path MTU in host byte order */ 1138 }; 1139 1140 /* 1141 * IPv6 routing header types 1142 */ 1143 #define IPV6_RTHDR_TYPE_0 0 1144 1145 extern socklen_t inet6_rth_space(int type, int segments); 1146 extern void *inet6_rth_init(void *bp, socklen_t bp_len, int type, int segments); 1147 extern int inet6_rth_add(void *bp, const struct in6_addr *addr); 1148 extern int inet6_rth_reverse(const void *in, void *out); 1149 extern int inet6_rth_segments(const void *bp); 1150 extern struct in6_addr *inet6_rth_getaddr(const void *bp, int index); 1151 1152 extern int inet6_opt_init(void *extbuf, socklen_t extlen); 1153 extern int inet6_opt_append(void *extbuf, socklen_t extlen, int offset, 1154 uint8_t type, socklen_t len, uint_t align, void **databufp); 1155 extern int inet6_opt_finish(void *extbuf, socklen_t extlen, int offset); 1156 extern int inet6_opt_set_val(void *databuf, int offset, void *val, 1157 socklen_t vallen); 1158 extern int inet6_opt_next(void *extbuf, socklen_t extlen, int offset, 1159 uint8_t *typep, socklen_t *lenp, void **databufp); 1160 extern int inet6_opt_find(void *extbufp, socklen_t extlen, int offset, 1161 uint8_t type, socklen_t *lenp, void **databufp); 1162 extern int inet6_opt_get_val(void *databuf, int offset, void *val, 1163 socklen_t vallen); 1164 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 1165 1166 /* 1167 * Argument structure for IP_ADD_PROXY_ADDR. 1168 * Note that this is an unstable, experimental interface. It may change 1169 * later. Don't use it unless you know what it is. 1170 */ 1171 typedef struct { 1172 struct in_addr in_prefix_addr; 1173 unsigned int in_prefix_len; 1174 } in_prefix_t; 1175 1176 1177 #if !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) 1178 /* 1179 * IPv6 options 1180 */ 1181 #define IPV6_UNICAST_HOPS 0x5 /* hop limit value for unicast */ 1182 /* packets. */ 1183 /* argument type: uint_t */ 1184 #define IPV6_MULTICAST_IF 0x6 /* outgoing interface for */ 1185 /* multicast packets. */ 1186 /* argument type: struct in6_addr */ 1187 #define IPV6_MULTICAST_HOPS 0x7 /* hop limit value to use for */ 1188 /* multicast packets. */ 1189 /* argument type: uint_t */ 1190 #define IPV6_MULTICAST_LOOP 0x8 /* enable/disable delivery of */ 1191 /* multicast packets on same socket. */ 1192 /* argument type: uint_t */ 1193 #define IPV6_JOIN_GROUP 0x9 /* join an IPv6 multicast group. */ 1194 /* argument type: struct ipv6_mreq */ 1195 #define IPV6_LEAVE_GROUP 0xa /* leave an IPv6 multicast group */ 1196 /* argument type: struct ipv6_mreq */ 1197 1198 /* 1199 * Other XPG6 constants. 1200 */ 1201 #define INET_ADDRSTRLEN 16 /* max len IPv4 addr in ascii dotted */ 1202 /* decimal notation. */ 1203 #define INET6_ADDRSTRLEN 46 /* max len of IPv6 addr in ascii */ 1204 /* standard colon-hex notation. */ 1205 1206 #endif /* !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) */ 1207 1208 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 1209 1210 /* 1211 * IPV6_ADD_MEMBERSHIP and IPV6_DROP_MEMBERSHIP are being kept 1212 * for backward compatibility. They have the same meaning as IPV6_JOIN_GROUP 1213 * and IPV6_LEAVE_GROUP respectively. 1214 */ 1215 #define IPV6_ADD_MEMBERSHIP 0x9 /* join an IPv6 multicast group. */ 1216 /* argument type: struct ipv6_mreq */ 1217 #define IPV6_DROP_MEMBERSHIP 0xa /* leave an IPv6 multicast group */ 1218 /* argument type: struct ipv6_mreq */ 1219 1220 #define IPV6_PKTINFO 0xb /* addr plus interface index */ 1221 /* arg type: "struct in6_pktingo" - */ 1222 #define IPV6_HOPLIMIT 0xc /* hoplimit for datagram */ 1223 #define IPV6_NEXTHOP 0xd /* next hop address */ 1224 #define IPV6_HOPOPTS 0xe /* hop by hop options */ 1225 #define IPV6_DSTOPTS 0xf /* destination options - after */ 1226 /* the routing header */ 1227 #define IPV6_RTHDR 0x10 /* routing header */ 1228 #define IPV6_RTHDRDSTOPTS 0x11 /* destination options - before */ 1229 /* the routing header */ 1230 #define IPV6_RECVPKTINFO 0x12 /* enable/disable IPV6_PKTINFO */ 1231 #define IPV6_RECVHOPLIMIT 0x13 /* enable/disable IPV6_HOPLIMIT */ 1232 #define IPV6_RECVHOPOPTS 0x14 /* enable/disable IPV6_HOPOPTS */ 1233 1234 /* 1235 * This options exists for backwards compatability and should no longer be 1236 * used. Use IPV6_RECVDSTOPTS instead. 1237 */ 1238 #define _OLD_IPV6_RECVDSTOPTS 0x15 1239 1240 #define IPV6_RECVRTHDR 0x16 /* enable/disable IPV6_RTHDR */ 1241 1242 /* 1243 * enable/disable IPV6_RTHDRDSTOPTS. Now obsolete. IPV6_RECVDSTOPTS enables 1244 * the receipt of both headers. 1245 */ 1246 #define IPV6_RECVRTHDRDSTOPTS 0x17 1247 1248 #define IPV6_CHECKSUM 0x18 /* Control checksum on raw sockets */ 1249 #define IPV6_RECVTCLASS 0x19 /* enable/disable IPV6_CLASS */ 1250 #define IPV6_USE_MIN_MTU 0x20 /* send packets with minimum MTU */ 1251 #define IPV6_DONTFRAG 0x21 /* don't fragment packets */ 1252 #define IPV6_SEC_OPT 0x22 /* Used to set IPSEC options */ 1253 #define IPV6_SRC_PREFERENCES 0x23 /* Control socket's src addr select */ 1254 #define IPV6_RECVPATHMTU 0x24 /* receive PMTU info */ 1255 #define IPV6_PATHMTU 0x25 /* get the PMTU */ 1256 #define IPV6_TCLASS 0x26 /* traffic class */ 1257 #define IPV6_V6ONLY 0x27 /* v6 only socket option */ 1258 1259 /* 1260 * enable/disable receipt of both both IPV6_DSTOPTS headers. 1261 */ 1262 #define IPV6_RECVDSTOPTS 0x28 1263 1264 /* 1265 * protocol-independent multicast membership options. 1266 */ 1267 #define MCAST_JOIN_GROUP 0x29 /* join group for all sources */ 1268 #define MCAST_LEAVE_GROUP 0x2a /* leave group */ 1269 #define MCAST_BLOCK_SOURCE 0x2b /* block specified source */ 1270 #define MCAST_UNBLOCK_SOURCE 0x2c /* unblock specified source */ 1271 #define MCAST_JOIN_SOURCE_GROUP 0x2d /* join group for specified source */ 1272 #define MCAST_LEAVE_SOURCE_GROUP 0x2e /* leave source/group pair */ 1273 1274 /* 32Bit field for IPV6_SRC_PREFERENCES */ 1275 #define IPV6_PREFER_SRC_HOME 0x00000001 1276 #define IPV6_PREFER_SRC_COA 0x00000002 1277 #define IPV6_PREFER_SRC_PUBLIC 0x00000004 1278 #define IPV6_PREFER_SRC_TMP 0x00000008 1279 #define IPV6_PREFER_SRC_NONCGA 0x00000010 1280 #define IPV6_PREFER_SRC_CGA 0x00000020 1281 1282 #define IPV6_PREFER_SRC_MIPMASK (IPV6_PREFER_SRC_HOME | IPV6_PREFER_SRC_COA) 1283 #define IPV6_PREFER_SRC_MIPDEFAULT IPV6_PREFER_SRC_HOME 1284 #define IPV6_PREFER_SRC_TMPMASK (IPV6_PREFER_SRC_PUBLIC | IPV6_PREFER_SRC_TMP) 1285 #define IPV6_PREFER_SRC_TMPDEFAULT IPV6_PREFER_SRC_PUBLIC 1286 #define IPV6_PREFER_SRC_CGAMASK (IPV6_PREFER_SRC_NONCGA | IPV6_PREFER_SRC_CGA) 1287 #define IPV6_PREFER_SRC_CGADEFAULT IPV6_PREFER_SRC_NONCGA 1288 1289 #define IPV6_PREFER_SRC_MASK (IPV6_PREFER_SRC_MIPMASK |\ 1290 IPV6_PREFER_SRC_TMPMASK | IPV6_PREFER_SRC_CGAMASK) 1291 1292 #define IPV6_PREFER_SRC_DEFAULT (IPV6_PREFER_SRC_MIPDEFAULT |\ 1293 IPV6_PREFER_SRC_TMPDEFAULT | IPV6_PREFER_SRC_CGADEFAULT) 1294 1295 /* 1296 * SunOS private (potentially not portable) IPV6_ option names 1297 */ 1298 #define IPV6_BOUND_IF 0x41 /* bind to an ifindex */ 1299 #define IPV6_UNSPEC_SRC 0x42 /* source of packets set to */ 1300 /* unspecified (all zeros) */ 1301 1302 /* 1303 * Miscellaneous IPv6 constants. 1304 */ 1305 #define IPV6_PAD1_OPT 0 /* pad byte in IPv6 extension hdrs */ 1306 1307 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 1308 1309 /* 1310 * Extern declarations for pre-defined global const variables 1311 */ 1312 #if !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) 1313 #ifndef _KERNEL 1314 #ifdef __STDC__ 1315 extern const struct in6_addr in6addr_any; 1316 extern const struct in6_addr in6addr_loopback; 1317 #else 1318 extern struct in6_addr in6addr_any; 1319 extern struct in6_addr in6addr_loopback; 1320 #endif 1321 #endif 1322 #endif /* !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) */ 1323 1324 #ifdef __cplusplus 1325 } 1326 #endif 1327 1328 #endif /* _NETINET_IN_H */ 1329