1 /* 2 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 3 * Use is subject to license terms. 4 */ 5 /* 6 * Copyright (c) 1982, 1986 Regents of the University of California. 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms are permitted 10 * provided that this notice is preserved and that due credit is given 11 * to the University of California at Berkeley. The name of the University 12 * may not be used to endorse or promote products derived from this 13 * software without specific prior written permission. This software 14 * is provided ``as is'' without express or implied warranty. 15 */ 16 17 /* 18 * Constants and structures defined by the internet system, 19 * according to following documents 20 * 21 * Internet ASSIGNED NUMBERS (RFC1700) and its successors 22 * and other assignments at ftp://ftp.isi.edu/in-notes/iana/assignments 23 * Basic Socket Interface Extensions for IPv6 (RFC2133 and its successors) 24 * 25 */ 26 27 #ifndef _NETINET_IN_H 28 #define _NETINET_IN_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #include <sys/feature_tests.h> 33 34 #ifdef __cplusplus 35 extern "C" { 36 #endif 37 38 #include <sys/types.h> 39 40 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 41 #include <sys/socket_impl.h> 42 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 43 44 #ifndef _SOCKLEN_T 45 #define _SOCKLEN_T 46 47 /* 48 * The socklen definitions are reproduced here from sys/socket.h so as to 49 * not introduce that namespace into existing users of netinet/in.h. 50 */ 51 #if defined(_XPG4_2) && !defined(_XPG5) && !defined(_LP64) 52 typedef size_t socklen_t; 53 #else 54 typedef uint32_t socklen_t; 55 #endif /* defined(_XPG4_2) && !defined(_XPG5) && !defined(_LP64) */ 56 57 #if defined(_XPG4_2) || defined(_BOOT) 58 typedef socklen_t *Psocklen_t; 59 #else 60 typedef void *Psocklen_t; 61 #endif /* defined(_XPG4_2) || defined(_BOOT) */ 62 63 #endif /* _SOCKLEN_T */ 64 65 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 66 #include <sys/stream.h> 67 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 68 /* 69 * Symbols such as htonl() are required to be exposed through this file, 70 * per XNS Issue 5. This is achieved by inclusion of <sys/byteorder.h> 71 */ 72 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) || defined(_XPG5) 73 #include <sys/byteorder.h> 74 #endif 75 76 #ifndef _IN_PORT_T 77 #define _IN_PORT_T 78 typedef uint16_t in_port_t; 79 #endif 80 81 /* 82 * Note: IPv4 address data structures usage conventions. 83 * The "in_addr_t" type below (required by Unix standards) 84 * is NOT a typedef of "struct in_addr" and violates the usual 85 * conventions where "struct <name>" and <name>_t are corresponding 86 * typedefs. 87 * To minimize confusion, kernel data structures/usage prefers use 88 * of "ipaddr_t" as atomic uint32_t type and avoid using "in_addr_t" 89 * The user level APIs continue to follow the historic popular 90 * practice of using "struct in_addr". 91 */ 92 #ifndef _IN_ADDR_T 93 #define _IN_ADDR_T 94 typedef uint32_t in_addr_t; 95 #endif 96 97 #ifndef _IPADDR_T 98 #define _IPADDR_T 99 typedef uint32_t ipaddr_t; 100 #endif 101 102 #if !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) 103 104 struct in6_addr { 105 union { 106 /* 107 * Note: Static initalizers of "union" type assume 108 * the constant on the RHS is the type of the first member 109 * of union. 110 * To make static initializers (and efficient usage) work, 111 * the order of members exposed to user and kernel view of 112 * this data structure is different. 113 * User environment sees specified uint8_t type as first 114 * member whereas kernel sees most efficient type as 115 * first member. 116 */ 117 #ifdef _KERNEL 118 uint32_t _S6_u32[4]; /* IPv6 address */ 119 uint8_t _S6_u8[16]; /* IPv6 address */ 120 #else 121 uint8_t _S6_u8[16]; /* IPv6 address */ 122 uint32_t _S6_u32[4]; /* IPv6 address */ 123 #endif 124 uint32_t __S6_align; /* Align on 32 bit boundary */ 125 } _S6_un; 126 }; 127 #define s6_addr _S6_un._S6_u8 128 129 #ifdef _KERNEL 130 #define s6_addr8 _S6_un._S6_u8 131 #define s6_addr32 _S6_un._S6_u32 132 #endif 133 134 typedef struct in6_addr in6_addr_t; 135 136 #endif /* !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) */ 137 138 #ifndef _SA_FAMILY_T 139 #define _SA_FAMILY_T 140 typedef uint16_t sa_family_t; 141 #endif 142 143 /* 144 * Protocols 145 */ 146 #define IPPROTO_IP 0 /* dummy for IP */ 147 #define IPPROTO_HOPOPTS 0 /* Hop by hop header for IPv6 */ 148 #define IPPROTO_ICMP 1 /* control message protocol */ 149 #define IPPROTO_IGMP 2 /* group control protocol */ 150 #define IPPROTO_GGP 3 /* gateway^2 (deprecated) */ 151 #define IPPROTO_ENCAP 4 /* IP in IP encapsulation */ 152 #define IPPROTO_TCP 6 /* tcp */ 153 #define IPPROTO_EGP 8 /* exterior gateway protocol */ 154 #define IPPROTO_PUP 12 /* pup */ 155 #define IPPROTO_UDP 17 /* user datagram protocol */ 156 #define IPPROTO_IDP 22 /* xns idp */ 157 #define IPPROTO_IPV6 41 /* IPv6 encapsulated in IP */ 158 #define IPPROTO_ROUTING 43 /* Routing header for IPv6 */ 159 #define IPPROTO_FRAGMENT 44 /* Fragment header for IPv6 */ 160 #define IPPROTO_RSVP 46 /* rsvp */ 161 #define IPPROTO_ESP 50 /* IPsec Encap. Sec. Payload */ 162 #define IPPROTO_AH 51 /* IPsec Authentication Hdr. */ 163 #define IPPROTO_ICMPV6 58 /* ICMP for IPv6 */ 164 #define IPPROTO_NONE 59 /* No next header for IPv6 */ 165 #define IPPROTO_DSTOPTS 60 /* Destination options */ 166 #define IPPROTO_HELLO 63 /* "hello" routing protocol */ 167 #define IPPROTO_ND 77 /* UNOFFICIAL net disk proto */ 168 #define IPPROTO_EON 80 /* ISO clnp */ 169 #define IPPROTO_OSPF 89 /* OSPF */ 170 #define IPPROTO_PIM 103 /* PIM routing protocol */ 171 #define IPPROTO_SCTP 132 /* Stream Control */ 172 /* Transmission Protocol */ 173 174 #define IPPROTO_RAW 255 /* raw IP packet */ 175 #define IPPROTO_MAX 256 176 177 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 178 #define PROTO_SDP 257 /* Sockets Direct Protocol */ 179 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 180 181 /* 182 * Port/socket numbers: network standard functions 183 * 184 * Entries should exist here for each port number compiled into an ON 185 * component, such as snoop. 186 */ 187 #define IPPORT_ECHO 7 188 #define IPPORT_DISCARD 9 189 #define IPPORT_SYSTAT 11 190 #define IPPORT_DAYTIME 13 191 #define IPPORT_NETSTAT 15 192 #define IPPORT_CHARGEN 19 193 #define IPPORT_FTP 21 194 #define IPPORT_TELNET 23 195 #define IPPORT_SMTP 25 196 #define IPPORT_TIMESERVER 37 197 #define IPPORT_NAMESERVER 42 198 #define IPPORT_WHOIS 43 199 #define IPPORT_DOMAIN 53 200 #define IPPORT_MTP 57 201 202 /* 203 * Port/socket numbers: host specific functions 204 */ 205 #define IPPORT_BOOTPS 67 206 #define IPPORT_BOOTPC 68 207 #define IPPORT_TFTP 69 208 #define IPPORT_RJE 77 209 #define IPPORT_FINGER 79 210 #define IPPORT_HTTP 80 211 #define IPPORT_HTTP_ALT 8080 212 #define IPPORT_TTYLINK 87 213 #define IPPORT_SUPDUP 95 214 #define IPPORT_NTP 123 215 #define IPPORT_NETBIOS_NS 137 216 #define IPPORT_NETBIOS_DGM 138 217 #define IPPORT_NETBIOS_SSN 139 218 #define IPPORT_LDAP 389 219 #define IPPORT_SLP 427 220 #define IPPORT_MIP 434 221 222 /* 223 * Internet Key Exchange (IKE) ports 224 */ 225 #define IPPORT_IKE 500 226 #define IPPORT_IKE_NATT 4500 227 228 /* 229 * UNIX TCP sockets 230 */ 231 #define IPPORT_EXECSERVER 512 232 #define IPPORT_LOGINSERVER 513 233 #define IPPORT_CMDSERVER 514 234 #define IPPORT_PRINTER 515 235 #define IPPORT_EFSSERVER 520 236 237 /* 238 * UNIX UDP sockets 239 */ 240 #define IPPORT_BIFFUDP 512 241 #define IPPORT_WHOSERVER 513 242 #define IPPORT_SYSLOG 514 243 #define IPPORT_TALK 517 244 #define IPPORT_ROUTESERVER 520 245 #define IPPORT_RIPNG 521 246 247 /* 248 * DHCPv6 UDP ports 249 */ 250 #define IPPORT_DHCPV6C 546 251 #define IPPORT_DHCPV6S 547 252 253 #define IPPORT_SOCKS 1080 254 255 /* 256 * Ports < IPPORT_RESERVED are reserved for 257 * privileged processes (e.g. root). 258 * Ports > IPPORT_USERRESERVED are reserved 259 * for servers, not necessarily privileged. 260 */ 261 #define IPPORT_RESERVED 1024 262 #define IPPORT_USERRESERVED 5000 263 264 /* 265 * Link numbers 266 */ 267 #define IMPLINK_IP 155 268 #define IMPLINK_LOWEXPER 156 269 #define IMPLINK_HIGHEXPER 158 270 271 /* 272 * IPv4 Internet address 273 * This definition contains obsolete fields for compatibility 274 * with SunOS 3.x and 4.2bsd. The presence of subnets renders 275 * divisions into fixed fields misleading at best. New code 276 * should use only the s_addr field. 277 */ 278 279 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 280 #define _S_un_b S_un_b 281 #define _S_un_w S_un_w 282 #define _S_addr S_addr 283 #define _S_un S_un 284 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 285 286 struct in_addr { 287 union { 288 struct { uint8_t s_b1, s_b2, s_b3, s_b4; } _S_un_b; 289 struct { uint16_t s_w1, s_w2; } _S_un_w; 290 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 291 uint32_t _S_addr; 292 #else 293 in_addr_t _S_addr; 294 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 295 } _S_un; 296 #define s_addr _S_un._S_addr /* should be used for all code */ 297 #define s_host _S_un._S_un_b.s_b2 /* OBSOLETE: host on imp */ 298 #define s_net _S_un._S_un_b.s_b1 /* OBSOLETE: network */ 299 #define s_imp _S_un._S_un_w.s_w2 /* OBSOLETE: imp */ 300 #define s_impno _S_un._S_un_b.s_b4 /* OBSOLETE: imp # */ 301 #define s_lh _S_un._S_un_b.s_b3 /* OBSOLETE: logical host */ 302 }; 303 304 /* 305 * Definitions of bits in internet address integers. 306 * On subnets, the decomposition of addresses to host and net parts 307 * is done according to subnet mask, not the masks here. 308 */ 309 #define IN_CLASSA(i) (((i) & 0x80000000U) == 0) 310 #define IN_CLASSA_NET 0xff000000U 311 #define IN_CLASSA_NSHIFT 24 312 #define IN_CLASSA_HOST 0x00ffffffU 313 #define IN_CLASSA_MAX 128 314 315 #define IN_CLASSB(i) (((i) & 0xc0000000U) == 0x80000000U) 316 #define IN_CLASSB_NET 0xffff0000U 317 #define IN_CLASSB_NSHIFT 16 318 #define IN_CLASSB_HOST 0x0000ffffU 319 #define IN_CLASSB_MAX 65536 320 321 #define IN_CLASSC(i) (((i) & 0xe0000000U) == 0xc0000000U) 322 #define IN_CLASSC_NET 0xffffff00U 323 #define IN_CLASSC_NSHIFT 8 324 #define IN_CLASSC_HOST 0x000000ffU 325 326 #define IN_CLASSD(i) (((i) & 0xf0000000U) == 0xe0000000U) 327 #define IN_CLASSD_NET 0xf0000000U /* These aren't really */ 328 #define IN_CLASSD_NSHIFT 28 /* net and host fields, but */ 329 #define IN_CLASSD_HOST 0x0fffffffU /* routing needn't know */ 330 #define IN_MULTICAST(i) IN_CLASSD(i) 331 332 #define IN_EXPERIMENTAL(i) (((i) & 0xe0000000U) == 0xe0000000U) 333 #define IN_BADCLASS(i) (((i) & 0xf0000000U) == 0xf0000000U) 334 335 #define INADDR_ANY 0x00000000U 336 #define INADDR_LOOPBACK 0x7F000001U 337 #define INADDR_BROADCAST 0xffffffffU /* must be masked */ 338 #define INADDR_NONE 0xffffffffU 339 340 #define INADDR_UNSPEC_GROUP 0xe0000000U /* 224.0.0.0 */ 341 #define INADDR_ALLHOSTS_GROUP 0xe0000001U /* 224.0.0.1 */ 342 #define INADDR_ALLRTRS_GROUP 0xe0000002U /* 224.0.0.2 */ 343 #define INADDR_ALLRPTS_GROUP 0xe0000016U /* 224.0.0.22, IGMPv3 */ 344 #define INADDR_MAX_LOCAL_GROUP 0xe00000ffU /* 224.0.0.255 */ 345 346 /* Scoped IPv4 prefixes (in host byte-order) */ 347 #define IN_AUTOCONF_NET 0xa9fe0000U /* 169.254/16 */ 348 #define IN_AUTOCONF_MASK 0xffff0000U 349 #define IN_PRIVATE8_NET 0x0a000000U /* 10/8 */ 350 #define IN_PRIVATE8_MASK 0xff000000U 351 #define IN_PRIVATE12_NET 0xac100000U /* 172.16/12 */ 352 #define IN_PRIVATE12_MASK 0xfff00000U 353 #define IN_PRIVATE16_NET 0xc0a80000U /* 192.168/16 */ 354 #define IN_PRIVATE16_MASK 0xffff0000U 355 356 /* Well known 6to4 Relay Router Anycast address defined in RFC 3068 */ 357 #if !defined(_XPG4_2) || !defined(__EXTENSIONS__) 358 #define INADDR_6TO4RRANYCAST 0xc0586301U /* 192.88.99.1 */ 359 #endif /* !defined(_XPG4_2) || !defined(__EXTENSIONS__) */ 360 361 #define IN_LOOPBACKNET 127 /* official! */ 362 363 /* 364 * Define a macro to stuff the loopback address into an Internet address 365 */ 366 #if !defined(_XPG4_2) || !defined(__EXTENSIONS__) 367 #define IN_SET_LOOPBACK_ADDR(a) \ 368 { (a)->sin_addr.s_addr = htonl(INADDR_LOOPBACK); \ 369 (a)->sin_family = AF_INET; } 370 #endif /* !defined(_XPG4_2) || !defined(__EXTENSIONS__) */ 371 372 /* 373 * IPv4 Socket address. 374 */ 375 struct sockaddr_in { 376 sa_family_t sin_family; 377 in_port_t sin_port; 378 struct in_addr sin_addr; 379 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 380 char sin_zero[8]; 381 #else 382 unsigned char sin_zero[8]; 383 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 384 }; 385 386 #if !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) 387 /* 388 * IPv6 socket address. 389 */ 390 struct sockaddr_in6 { 391 sa_family_t sin6_family; 392 in_port_t sin6_port; 393 uint32_t sin6_flowinfo; 394 struct in6_addr sin6_addr; 395 uint32_t sin6_scope_id; /* Depends on scope of sin6_addr */ 396 uint32_t __sin6_src_id; /* Impl. specific - UDP replies */ 397 }; 398 399 /* 400 * Macros for accessing the traffic class and flow label fields from 401 * sin6_flowinfo. 402 * These are designed to be applied to a 32-bit value. 403 */ 404 #ifdef _BIG_ENDIAN 405 406 /* masks */ 407 #define IPV6_FLOWINFO_FLOWLABEL 0x000fffffU 408 #define IPV6_FLOWINFO_TCLASS 0x0ff00000U 409 410 #else /* _BIG_ENDIAN */ 411 412 /* masks */ 413 #define IPV6_FLOWINFO_FLOWLABEL 0xffff0f00U 414 #define IPV6_FLOWINFO_TCLASS 0x0000f00fU 415 416 #endif /* _BIG_ENDIAN */ 417 418 /* 419 * Note: Macros IN6ADDR_ANY_INIT and IN6ADDR_LOOPBACK_INIT are for 420 * use as RHS of Static initializers of "struct in6_addr" (or in6_addr_t) 421 * only. They need to be different for User/Kernel versions because union 422 * component data structure is defined differently (it is identical at 423 * binary representation level). 424 * 425 * const struct in6_addr IN6ADDR_ANY_INIT; 426 * const struct in6_addr IN6ADDR_LOOPBACK_INIT; 427 */ 428 429 430 #ifdef _KERNEL 431 #define IN6ADDR_ANY_INIT { 0, 0, 0, 0 } 432 433 #ifdef _BIG_ENDIAN 434 #define IN6ADDR_LOOPBACK_INIT { 0, 0, 0, 0x00000001U } 435 #else /* _BIG_ENDIAN */ 436 #define IN6ADDR_LOOPBACK_INIT { 0, 0, 0, 0x01000000U } 437 #endif /* _BIG_ENDIAN */ 438 439 #else 440 441 #define IN6ADDR_ANY_INIT { 0, 0, 0, 0, \ 442 0, 0, 0, 0, \ 443 0, 0, 0, 0, \ 444 0, 0, 0, 0 } 445 446 #define IN6ADDR_LOOPBACK_INIT { 0, 0, 0, 0, \ 447 0, 0, 0, 0, \ 448 0, 0, 0, 0, \ 449 0, 0, 0, 0x1U } 450 #endif /* _KERNEL */ 451 452 /* 453 * RFC 2553 specifies the following macros. Their type is defined 454 * as "int" in the RFC but they only have boolean significance 455 * (zero or non-zero). For the purposes of our comment notation, 456 * we assume a hypothetical type "bool" defined as follows to 457 * write the prototypes assumed for macros in our comments better. 458 * 459 * typedef int bool; 460 */ 461 462 /* 463 * IN6 macros used to test for special IPv6 addresses 464 * (Mostly from spec) 465 * 466 * bool IN6_IS_ADDR_UNSPECIFIED (const struct in6_addr *); 467 * bool IN6_IS_ADDR_LOOPBACK (const struct in6_addr *); 468 * bool IN6_IS_ADDR_MULTICAST (const struct in6_addr *); 469 * bool IN6_IS_ADDR_LINKLOCAL (const struct in6_addr *); 470 * bool IN6_IS_ADDR_SITELOCAL (const struct in6_addr *); 471 * bool IN6_IS_ADDR_V4MAPPED (const struct in6_addr *); 472 * bool IN6_IS_ADDR_V4MAPPED_ANY(const struct in6_addr *); -- Not from RFC2553 473 * bool IN6_IS_ADDR_V4COMPAT (const struct in6_addr *); 474 * bool IN6_IS_ADDR_MC_RESERVED (const struct in6_addr *); -- Not from RFC2553 475 * bool IN6_IS_ADDR_MC_NODELOCAL(const struct in6_addr *); 476 * bool IN6_IS_ADDR_MC_LINKLOCAL(const struct in6_addr *); 477 * bool IN6_IS_ADDR_MC_SITELOCAL(const struct in6_addr *); 478 * bool IN6_IS_ADDR_MC_ORGLOCAL (const struct in6_addr *); 479 * bool IN6_IS_ADDR_MC_GLOBAL (const struct in6_addr *); 480 * bool IN6_IS_ADDR_6TO4 (const struct in6_addr *); -- Not from RFC2553 481 * bool IN6_ARE_6TO4_PREFIX_EQUAL(const struct in6_addr *, 482 * const struct in6_addr *); -- Not from RFC2553 483 * bool IN6_IS_ADDR_LINKSCOPE (const struct in6addr *); -- Not from RFC2553 484 */ 485 486 #define IN6_IS_ADDR_UNSPECIFIED(addr) \ 487 (((addr)->_S6_un._S6_u32[3] == 0) && \ 488 ((addr)->_S6_un._S6_u32[2] == 0) && \ 489 ((addr)->_S6_un._S6_u32[1] == 0) && \ 490 ((addr)->_S6_un._S6_u32[0] == 0)) 491 492 #ifdef _BIG_ENDIAN 493 #define IN6_IS_ADDR_LOOPBACK(addr) \ 494 (((addr)->_S6_un._S6_u32[3] == 0x00000001) && \ 495 ((addr)->_S6_un._S6_u32[2] == 0) && \ 496 ((addr)->_S6_un._S6_u32[1] == 0) && \ 497 ((addr)->_S6_un._S6_u32[0] == 0)) 498 #else /* _BIG_ENDIAN */ 499 #define IN6_IS_ADDR_LOOPBACK(addr) \ 500 (((addr)->_S6_un._S6_u32[3] == 0x01000000) && \ 501 ((addr)->_S6_un._S6_u32[2] == 0) && \ 502 ((addr)->_S6_un._S6_u32[1] == 0) && \ 503 ((addr)->_S6_un._S6_u32[0] == 0)) 504 #endif /* _BIG_ENDIAN */ 505 506 #ifdef _BIG_ENDIAN 507 #define IN6_IS_ADDR_MULTICAST(addr) \ 508 (((addr)->_S6_un._S6_u32[0] & 0xff000000) == 0xff000000) 509 #else /* _BIG_ENDIAN */ 510 #define IN6_IS_ADDR_MULTICAST(addr) \ 511 (((addr)->_S6_un._S6_u32[0] & 0x000000ff) == 0x000000ff) 512 #endif /* _BIG_ENDIAN */ 513 514 #ifdef _BIG_ENDIAN 515 #define IN6_IS_ADDR_LINKLOCAL(addr) \ 516 (((addr)->_S6_un._S6_u32[0] & 0xffc00000) == 0xfe800000) 517 #else /* _BIG_ENDIAN */ 518 #define IN6_IS_ADDR_LINKLOCAL(addr) \ 519 (((addr)->_S6_un._S6_u32[0] & 0x0000c0ff) == 0x000080fe) 520 #endif /* _BIG_ENDIAN */ 521 522 #ifdef _BIG_ENDIAN 523 #define IN6_IS_ADDR_SITELOCAL(addr) \ 524 (((addr)->_S6_un._S6_u32[0] & 0xffc00000) == 0xfec00000) 525 #else /* _BIG_ENDIAN */ 526 #define IN6_IS_ADDR_SITELOCAL(addr) \ 527 (((addr)->_S6_un._S6_u32[0] & 0x0000c0ff) == 0x0000c0fe) 528 #endif /* _BIG_ENDIAN */ 529 530 #ifdef _BIG_ENDIAN 531 #define IN6_IS_ADDR_V4MAPPED(addr) \ 532 (((addr)->_S6_un._S6_u32[2] == 0x0000ffff) && \ 533 ((addr)->_S6_un._S6_u32[1] == 0) && \ 534 ((addr)->_S6_un._S6_u32[0] == 0)) 535 #else /* _BIG_ENDIAN */ 536 #define IN6_IS_ADDR_V4MAPPED(addr) \ 537 (((addr)->_S6_un._S6_u32[2] == 0xffff0000U) && \ 538 ((addr)->_S6_un._S6_u32[1] == 0) && \ 539 ((addr)->_S6_un._S6_u32[0] == 0)) 540 #endif /* _BIG_ENDIAN */ 541 542 /* 543 * IN6_IS_ADDR_V4MAPPED - A IPv4 mapped INADDR_ANY 544 * Note: This macro is currently NOT defined in RFC2553 specification 545 * and not a standard macro that portable applications should use. 546 */ 547 #ifdef _BIG_ENDIAN 548 #define IN6_IS_ADDR_V4MAPPED_ANY(addr) \ 549 (((addr)->_S6_un._S6_u32[3] == 0) && \ 550 ((addr)->_S6_un._S6_u32[2] == 0x0000ffff) && \ 551 ((addr)->_S6_un._S6_u32[1] == 0) && \ 552 ((addr)->_S6_un._S6_u32[0] == 0)) 553 #else /* _BIG_ENDIAN */ 554 #define IN6_IS_ADDR_V4MAPPED_ANY(addr) \ 555 (((addr)->_S6_un._S6_u32[3] == 0) && \ 556 ((addr)->_S6_un._S6_u32[2] == 0xffff0000U) && \ 557 ((addr)->_S6_un._S6_u32[1] == 0) && \ 558 ((addr)->_S6_un._S6_u32[0] == 0)) 559 #endif /* _BIG_ENDIAN */ 560 561 /* Exclude loopback and unspecified address */ 562 #ifdef _BIG_ENDIAN 563 #define IN6_IS_ADDR_V4COMPAT(addr) \ 564 (((addr)->_S6_un._S6_u32[2] == 0) && \ 565 ((addr)->_S6_un._S6_u32[1] == 0) && \ 566 ((addr)->_S6_un._S6_u32[0] == 0) && \ 567 !((addr)->_S6_un._S6_u32[3] == 0) && \ 568 !((addr)->_S6_un._S6_u32[3] == 0x00000001)) 569 570 #else /* _BIG_ENDIAN */ 571 #define IN6_IS_ADDR_V4COMPAT(addr) \ 572 (((addr)->_S6_un._S6_u32[2] == 0) && \ 573 ((addr)->_S6_un._S6_u32[1] == 0) && \ 574 ((addr)->_S6_un._S6_u32[0] == 0) && \ 575 !((addr)->_S6_un._S6_u32[3] == 0) && \ 576 !((addr)->_S6_un._S6_u32[3] == 0x01000000)) 577 #endif /* _BIG_ENDIAN */ 578 579 /* 580 * Note: 581 * IN6_IS_ADDR_MC_RESERVED macro is currently NOT defined in RFC2553 582 * specification and not a standard macro that portable applications 583 * should use. 584 */ 585 #ifdef _BIG_ENDIAN 586 #define IN6_IS_ADDR_MC_RESERVED(addr) \ 587 (((addr)->_S6_un._S6_u32[0] & 0xff0f0000) == 0xff000000) 588 589 #else /* _BIG_ENDIAN */ 590 #define IN6_IS_ADDR_MC_RESERVED(addr) \ 591 (((addr)->_S6_un._S6_u32[0] & 0x00000fff) == 0x000000ff) 592 #endif /* _BIG_ENDIAN */ 593 594 #ifdef _BIG_ENDIAN 595 #define IN6_IS_ADDR_MC_NODELOCAL(addr) \ 596 (((addr)->_S6_un._S6_u32[0] & 0xff0f0000) == 0xff010000) 597 #else /* _BIG_ENDIAN */ 598 #define IN6_IS_ADDR_MC_NODELOCAL(addr) \ 599 (((addr)->_S6_un._S6_u32[0] & 0x00000fff) == 0x000001ff) 600 #endif /* _BIG_ENDIAN */ 601 602 #ifdef _BIG_ENDIAN 603 #define IN6_IS_ADDR_MC_LINKLOCAL(addr) \ 604 (((addr)->_S6_un._S6_u32[0] & 0xff0f0000) == 0xff020000) 605 #else /* _BIG_ENDIAN */ 606 #define IN6_IS_ADDR_MC_LINKLOCAL(addr) \ 607 (((addr)->_S6_un._S6_u32[0] & 0x00000fff) == 0x000002ff) 608 #endif /* _BIG_ENDIAN */ 609 610 #ifdef _BIG_ENDIAN 611 #define IN6_IS_ADDR_MC_SITELOCAL(addr) \ 612 (((addr)->_S6_un._S6_u32[0] & 0xff0f0000) == 0xff050000) 613 #else /* _BIG_ENDIAN */ 614 #define IN6_IS_ADDR_MC_SITELOCAL(addr) \ 615 (((addr)->_S6_un._S6_u32[0] & 0x00000fff) == 0x000005ff) 616 #endif /* _BIG_ENDIAN */ 617 618 #ifdef _BIG_ENDIAN 619 #define IN6_IS_ADDR_MC_ORGLOCAL(addr) \ 620 (((addr)->_S6_un._S6_u32[0] & 0xff0f0000) == 0xff080000) 621 #else /* _BIG_ENDIAN */ 622 #define IN6_IS_ADDR_MC_ORGLOCAL(addr) \ 623 (((addr)->_S6_un._S6_u32[0] & 0x00000fff) == 0x000008ff) 624 #endif /* _BIG_ENDIAN */ 625 626 #ifdef _BIG_ENDIAN 627 #define IN6_IS_ADDR_MC_GLOBAL(addr) \ 628 (((addr)->_S6_un._S6_u32[0] & 0xff0f0000) == 0xff0e0000) 629 #else /* _BIG_ENDIAN */ 630 #define IN6_IS_ADDR_MC_GLOBAL(addr) \ 631 (((addr)->_S6_un._S6_u32[0] & 0x00000fff) == 0x00000eff) 632 #endif /* _BIG_ENDIAN */ 633 634 /* 635 * The IN6_IS_ADDR_MC_SOLICITEDNODE macro is not defined in any standard or 636 * RFC, and shouldn't be used by portable applications. It is used to see 637 * if an address is a solicited-node multicast address, which is prefixed 638 * with ff02:0:0:0:0:1:ff00::/104. 639 */ 640 #ifdef _BIG_ENDIAN 641 #define IN6_IS_ADDR_MC_SOLICITEDNODE(addr) \ 642 (((addr)->_S6_un._S6_u32[0] == 0xff020000) && \ 643 ((addr)->_S6_un._S6_u32[1] == 0x00000000) && \ 644 ((addr)->_S6_un._S6_u32[2] == 0x00000001) && \ 645 (((addr)->_S6_un._S6_u32[3] & 0xff000000) == 0xff000000)) 646 #else 647 #define IN6_IS_ADDR_MC_SOLICITEDNODE(addr) \ 648 (((addr)->_S6_un._S6_u32[0] == 0x000002ff) && \ 649 ((addr)->_S6_un._S6_u32[1] == 0x00000000) && \ 650 ((addr)->_S6_un._S6_u32[2] == 0x01000000) && \ 651 (((addr)->_S6_un._S6_u32[3] & 0x000000ff) == 0x000000ff)) 652 #endif 653 654 /* 655 * Macros to a) test for 6to4 IPv6 address, and b) to test if two 656 * 6to4 addresses have the same /48 prefix, and, hence, are from the 657 * same 6to4 site. 658 */ 659 660 #ifdef _BIG_ENDIAN 661 #define IN6_IS_ADDR_6TO4(addr) \ 662 (((addr)->_S6_un._S6_u32[0] & 0xffff0000) == 0x20020000) 663 #else /* _BIG_ENDIAN */ 664 #define IN6_IS_ADDR_6TO4(addr) \ 665 (((addr)->_S6_un._S6_u32[0] & 0x0000ffff) == 0x00000220) 666 #endif /* _BIG_ENDIAN */ 667 668 #define IN6_ARE_6TO4_PREFIX_EQUAL(addr1, addr2) \ 669 (((addr1)->_S6_un._S6_u32[0] == (addr2)->_S6_un._S6_u32[0]) && \ 670 ((addr1)->_S6_un._S6_u8[4] == (addr2)->_S6_un._S6_u8[4]) && \ 671 ((addr1)->_S6_un._S6_u8[5] == (addr2)->_S6_un._S6_u8[5])) 672 673 /* 674 * IN6_IS_ADDR_LINKSCOPE 675 * Identifies an address as being either link-local, link-local multicast or 676 * node-local multicast. All types of addresses are considered to be unique 677 * within the scope of a given link. 678 */ 679 #define IN6_IS_ADDR_LINKSCOPE(addr) \ 680 (IN6_IS_ADDR_LINKLOCAL(addr) || IN6_IS_ADDR_MC_LINKLOCAL(addr) || \ 681 IN6_IS_ADDR_MC_NODELOCAL(addr)) 682 683 /* 684 * Useful utility macros for operations with IPv6 addresses 685 * Note: These macros are NOT defined in the RFC2553 or any other 686 * standard specification and are not standard macros that portable 687 * applications should use. 688 */ 689 690 /* 691 * IN6_V4MAPPED_TO_INADDR 692 * IN6_V4MAPPED_TO_IPADDR 693 * Assign a IPv4-Mapped IPv6 address to an IPv4 address. 694 * Note: These macros are NOT defined in RFC2553 or any other standard 695 * specification and are not macros that portable applications should 696 * use. 697 * 698 * void IN6_V4MAPPED_TO_INADDR(const in6_addr_t *v6, struct in_addr *v4); 699 * void IN6_V4MAPPED_TO_IPADDR(const in6_addr_t *v6, ipaddr_t v4); 700 * 701 */ 702 #define IN6_V4MAPPED_TO_INADDR(v6, v4) \ 703 ((v4)->s_addr = (v6)->_S6_un._S6_u32[3]) 704 #define IN6_V4MAPPED_TO_IPADDR(v6, v4) \ 705 ((v4) = (v6)->_S6_un._S6_u32[3]) 706 707 /* 708 * IN6_INADDR_TO_V4MAPPED 709 * IN6_IPADDR_TO_V4MAPPED 710 * Assign a IPv4 address address to an IPv6 address as a IPv4-mapped 711 * address. 712 * Note: These macros are NOT defined in RFC2553 or any other standard 713 * specification and are not macros that portable applications should 714 * use. 715 * 716 * void IN6_INADDR_TO_V4MAPPED(const struct in_addr *v4, in6_addr_t *v6); 717 * void IN6_IPADDR_TO_V4MAPPED(const ipaddr_t v4, in6_addr_t *v6); 718 * 719 */ 720 #ifdef _BIG_ENDIAN 721 #define IN6_INADDR_TO_V4MAPPED(v4, v6) \ 722 ((v6)->_S6_un._S6_u32[3] = (v4)->s_addr, \ 723 (v6)->_S6_un._S6_u32[2] = 0x0000ffff, \ 724 (v6)->_S6_un._S6_u32[1] = 0, \ 725 (v6)->_S6_un._S6_u32[0] = 0) 726 #define IN6_IPADDR_TO_V4MAPPED(v4, v6) \ 727 ((v6)->_S6_un._S6_u32[3] = (v4), \ 728 (v6)->_S6_un._S6_u32[2] = 0x0000ffff, \ 729 (v6)->_S6_un._S6_u32[1] = 0, \ 730 (v6)->_S6_un._S6_u32[0] = 0) 731 #else /* _BIG_ENDIAN */ 732 #define IN6_INADDR_TO_V4MAPPED(v4, v6) \ 733 ((v6)->_S6_un._S6_u32[3] = (v4)->s_addr, \ 734 (v6)->_S6_un._S6_u32[2] = 0xffff0000U, \ 735 (v6)->_S6_un._S6_u32[1] = 0, \ 736 (v6)->_S6_un._S6_u32[0] = 0) 737 #define IN6_IPADDR_TO_V4MAPPED(v4, v6) \ 738 ((v6)->_S6_un._S6_u32[3] = (v4), \ 739 (v6)->_S6_un._S6_u32[2] = 0xffff0000U, \ 740 (v6)->_S6_un._S6_u32[1] = 0, \ 741 (v6)->_S6_un._S6_u32[0] = 0) 742 #endif /* _BIG_ENDIAN */ 743 744 /* 745 * IN6_6TO4_TO_V4ADDR 746 * Extract the embedded IPv4 address from the prefix to a 6to4 IPv6 747 * address. 748 * Note: This macro is NOT defined in RFC2553 or any other standard 749 * specification and is not a macro that portable applications should 750 * use. 751 * Note: we don't use the IPADDR form of the macro because we need 752 * to do a bytewise copy; the V4ADDR in the 6to4 address is not 753 * 32-bit aligned. 754 * 755 * void IN6_6TO4_TO_V4ADDR(const in6_addr_t *v6, struct in_addr *v4); 756 * 757 */ 758 #define IN6_6TO4_TO_V4ADDR(v6, v4) \ 759 ((v4)->_S_un._S_un_b.s_b1 = (v6)->_S6_un._S6_u8[2], \ 760 (v4)->_S_un._S_un_b.s_b2 = (v6)->_S6_un._S6_u8[3], \ 761 (v4)->_S_un._S_un_b.s_b3 = (v6)->_S6_un._S6_u8[4], \ 762 (v4)->_S_un._S_un_b.s_b4 = (v6)->_S6_un._S6_u8[5]) 763 764 /* 765 * IN6_V4ADDR_TO_6TO4 766 * Given an IPv4 address and an IPv6 address for output, a 6to4 address 767 * will be created from the IPv4 Address. 768 * Note: This method for creating 6to4 addresses is not standardized 769 * outside of Solaris. The newly created 6to4 address will be of the form 770 * 2002:<V4ADDR>:<SUBNETID>::<HOSTID>, where SUBNETID will equal 0 and 771 * HOSTID will equal 1. 772 * 773 * void IN6_V4ADDR_TO_6TO4(const struct in_addr *v4, in6_addr_t *v6) 774 * 775 */ 776 #ifdef _BIG_ENDIAN 777 #define IN6_V4ADDR_TO_6TO4(v4, v6) \ 778 ((v6)->_S6_un._S6_u8[0] = 0x20, \ 779 (v6)->_S6_un._S6_u8[1] = 0x02, \ 780 (v6)->_S6_un._S6_u8[2] = (v4)->_S_un._S_un_b.s_b1, \ 781 (v6)->_S6_un._S6_u8[3] = (v4)->_S_un._S_un_b.s_b2, \ 782 (v6)->_S6_un._S6_u8[4] = (v4)->_S_un._S_un_b.s_b3, \ 783 (v6)->_S6_un._S6_u8[5] = (v4)->_S_un._S_un_b.s_b4, \ 784 (v6)->_S6_un._S6_u8[6] = 0, \ 785 (v6)->_S6_un._S6_u8[7] = 0, \ 786 (v6)->_S6_un._S6_u32[2] = 0, \ 787 (v6)->_S6_un._S6_u32[3] = 0x00000001U) 788 #else 789 #define IN6_V4ADDR_TO_6TO4(v4, v6) \ 790 ((v6)->_S6_un._S6_u8[0] = 0x20, \ 791 (v6)->_S6_un._S6_u8[1] = 0x02, \ 792 (v6)->_S6_un._S6_u8[2] = (v4)->_S_un._S_un_b.s_b1, \ 793 (v6)->_S6_un._S6_u8[3] = (v4)->_S_un._S_un_b.s_b2, \ 794 (v6)->_S6_un._S6_u8[4] = (v4)->_S_un._S_un_b.s_b3, \ 795 (v6)->_S6_un._S6_u8[5] = (v4)->_S_un._S_un_b.s_b4, \ 796 (v6)->_S6_un._S6_u8[6] = 0, \ 797 (v6)->_S6_un._S6_u8[7] = 0, \ 798 (v6)->_S6_un._S6_u32[2] = 0, \ 799 (v6)->_S6_un._S6_u32[3] = 0x01000000U) 800 #endif /* _BIG_ENDIAN */ 801 802 /* 803 * IN6_ARE_ADDR_EQUAL (defined in RFC2292) 804 * Compares if IPv6 addresses are equal. 805 * Note: Compares in order of high likelyhood of a miss so we minimize 806 * compares. (Current heuristic order, compare in reverse order of 807 * uint32_t units) 808 * 809 * bool IN6_ARE_ADDR_EQUAL(const struct in6_addr *, 810 * const struct in6_addr *); 811 */ 812 #define IN6_ARE_ADDR_EQUAL(addr1, addr2) \ 813 (((addr1)->_S6_un._S6_u32[3] == (addr2)->_S6_un._S6_u32[3]) && \ 814 ((addr1)->_S6_un._S6_u32[2] == (addr2)->_S6_un._S6_u32[2]) && \ 815 ((addr1)->_S6_un._S6_u32[1] == (addr2)->_S6_un._S6_u32[1]) && \ 816 ((addr1)->_S6_un._S6_u32[0] == (addr2)->_S6_un._S6_u32[0])) 817 818 #endif /* !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) */ 819 820 821 /* 822 * Options for use with [gs]etsockopt at the IP level. 823 * 824 * Note: Some of the IP_ namespace has conflict with and 825 * and is exposed through <xti.h>. (It also requires exposing 826 * options not implemented). The options with potential 827 * for conflicts use #ifndef guards. 828 */ 829 #ifndef IP_OPTIONS 830 #define IP_OPTIONS 1 /* set/get IP per-packet options */ 831 #endif 832 833 #define IP_HDRINCL 2 /* int; header is included with data (raw) */ 834 835 #ifndef IP_TOS 836 #define IP_TOS 3 /* int; IP type of service and precedence */ 837 #endif 838 839 #ifndef IP_TTL 840 #define IP_TTL 4 /* int; IP time to live */ 841 #endif 842 843 #define IP_RECVOPTS 0x5 /* int; receive all IP options w/datagram */ 844 #define IP_RECVRETOPTS 0x6 /* int; receive IP options for response */ 845 #define IP_RECVDSTADDR 0x7 /* int; receive IP dst addr w/datagram */ 846 #define IP_RETOPTS 0x8 /* ip_opts; set/get IP per-packet options */ 847 #define IP_RECVIF 0x9 /* int; receive the inbound interface index */ 848 #define IP_RECVSLLA 0xa /* sockaddr_dl; get source link layer address */ 849 #define IP_RECVTTL 0xb /* uint8_t; get TTL for inbound packet */ 850 851 #define IP_MULTICAST_IF 0x10 /* set/get IP multicast interface */ 852 #define IP_MULTICAST_TTL 0x11 /* set/get IP multicast timetolive */ 853 #define IP_MULTICAST_LOOP 0x12 /* set/get IP multicast loopback */ 854 #define IP_ADD_MEMBERSHIP 0x13 /* add an IP group membership */ 855 #define IP_DROP_MEMBERSHIP 0x14 /* drop an IP group membership */ 856 #define IP_BLOCK_SOURCE 0x15 /* block mcast pkts from source */ 857 #define IP_UNBLOCK_SOURCE 0x16 /* unblock mcast pkts from source */ 858 #define IP_ADD_SOURCE_MEMBERSHIP 0x17 /* add mcast group/source pair */ 859 #define IP_DROP_SOURCE_MEMBERSHIP 0x18 /* drop mcast group/source pair */ 860 #define IP_NEXTHOP 0x19 /* send directly to next hop */ 861 /* 862 * IP_PKTINFO and IP_RECVPKTINFO have same value. Size of argument passed in 863 * is used to differentiate b/w the two. 864 */ 865 #define IP_PKTINFO 0x1a /* specify src address and/or index */ 866 #define IP_RECVPKTINFO 0x1a /* recv dest/matched addr and index */ 867 868 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 869 /* 870 * Different preferences that can be requested from IPSEC protocols. 871 */ 872 #define IP_SEC_OPT 0x22 /* Used to set IPSEC options */ 873 #define IPSEC_PREF_NEVER 0x01 874 #define IPSEC_PREF_REQUIRED 0x02 875 #define IPSEC_PREF_UNIQUE 0x04 876 /* 877 * This can be used with the setsockopt() call to set per socket security 878 * options. When the application uses per-socket API, we will reflect 879 * the request on both outbound and inbound packets. 880 */ 881 882 typedef struct ipsec_req { 883 uint_t ipsr_ah_req; /* AH request */ 884 uint_t ipsr_esp_req; /* ESP request */ 885 uint_t ipsr_self_encap_req; /* Self-Encap request */ 886 uint8_t ipsr_auth_alg; /* Auth algs for AH */ 887 uint8_t ipsr_esp_alg; /* Encr algs for ESP */ 888 uint8_t ipsr_esp_auth_alg; /* Auth algs for ESP */ 889 } ipsec_req_t; 890 891 /* 892 * MCAST_* options are protocol-independent. The actual definitions 893 * are with the v6 options below; this comment is here to note the 894 * namespace usage. 895 * 896 * #define MCAST_JOIN_GROUP 0x29 897 * #define MCAST_LEAVE_GROUP 0x2a 898 * #define MCAST_BLOCK_SOURCE 0x2b 899 * #define MCAST_UNBLOCK_SOURCE 0x2c 900 * #define MCAST_JOIN_SOURCE_GROUP 0x2d 901 * #define MCAST_LEAVE_SOURCE_GROUP 0x2e 902 */ 903 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 904 905 /* 906 * SunOS private (potentially not portable) IP_ option names 907 */ 908 #define IP_BOUND_IF 0x41 /* bind socket to an ifindex */ 909 #define IP_UNSPEC_SRC 0x42 /* use unspecified source address */ 910 /* 911 * IP_XMIT_IF is used to send unicast/multicast packets through the specified 912 * interface without looking at the routing table entries. 913 * This is a Sun private interface. 914 */ 915 #define IP_XMIT_IF 0x43 /* use specified outgoing interface */ 916 /* 917 * IP_DONTFAILOVER_IF option is used to indicate that outbound unicast and 918 * multicast packets go through the specified interface, no load spreading, 919 * no failover. 920 * This is a Sun private interface. 921 */ 922 #define IP_DONTFAILOVER_IF 0x44 923 924 /* 925 * Option values and names (when !_XPG5) shared with <xti_inet.h> 926 */ 927 #ifndef IP_REUSEADDR 928 #define IP_REUSEADDR 0x104 929 #endif 930 931 #ifndef IP_DONTROUTE 932 #define IP_DONTROUTE 0x105 933 #endif 934 935 #ifndef IP_BROADCAST 936 #define IP_BROADCAST 0x106 937 #endif 938 939 /* 940 * The following option values are reserved by <xti_inet.h> 941 * 942 * T_IP_OPTIONS 0x107 - IP per-packet options 943 * T_IP_TOS 0x108 - IP per packet type of service 944 */ 945 946 /* 947 * Default value constants for multicast attributes controlled by 948 * IP*_MULTICAST_LOOP and IP*_MULTICAST_{TTL,HOPS} options. 949 */ 950 #define IP_DEFAULT_MULTICAST_TTL 1 /* normally limit m'casts to 1 hop */ 951 #define IP_DEFAULT_MULTICAST_LOOP 1 /* normally hear sends if a member */ 952 953 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 954 /* 955 * Argument structure for IP_ADD_MEMBERSHIP and IP_DROP_MEMBERSHIP. 956 */ 957 struct ip_mreq { 958 struct in_addr imr_multiaddr; /* IP multicast address of group */ 959 struct in_addr imr_interface; /* local IP address of interface */ 960 }; 961 962 /* 963 * Argument structure for IP_BLOCK_SOURCE, IP_UNBLOCK_SOURCE, 964 * IP_ADD_SOURCE_MEMBERSHIP, and IP_DROP_SOURCE_MEMBERSHIP. 965 */ 966 struct ip_mreq_source { 967 struct in_addr imr_multiaddr; /* IP address of group */ 968 struct in_addr imr_sourceaddr; /* IP address of source */ 969 struct in_addr imr_interface; /* IP address of interface */ 970 }; 971 972 /* 973 * Argument structure for IPV6_JOIN_GROUP and IPV6_LEAVE_GROUP on 974 * IPv6 addresses. 975 */ 976 struct ipv6_mreq { 977 struct in6_addr ipv6mr_multiaddr; /* IPv6 multicast addr */ 978 unsigned int ipv6mr_interface; /* interface index */ 979 }; 980 981 /* 982 * Use #pragma pack() construct to force 32-bit alignment on amd64. 983 * This is needed to keep the structure size and offsets consistent 984 * between a 32-bit app and the 64-bit amd64 kernel in structures 985 * where 64-bit alignment would create gaps (in this case, structures 986 * which have a uint32_t followed by a struct sockaddr_storage). 987 */ 988 #if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4 989 #pragma pack(4) 990 #endif 991 992 /* 993 * Argument structure for MCAST_JOIN_GROUP and MCAST_LEAVE_GROUP. 994 */ 995 struct group_req { 996 uint32_t gr_interface; /* interface index */ 997 struct sockaddr_storage gr_group; /* group address */ 998 }; 999 1000 /* 1001 * Argument structure for MCAST_BLOCK_SOURCE, MCAST_UNBLOCK_SOURCE, 1002 * MCAST_JOIN_SOURCE_GROUP, MCAST_LEAVE_SOURCE_GROUP. 1003 */ 1004 struct group_source_req { 1005 uint32_t gsr_interface; /* interface index */ 1006 struct sockaddr_storage gsr_group; /* group address */ 1007 struct sockaddr_storage gsr_source; /* source address */ 1008 }; 1009 1010 /* 1011 * Argument for SIOC[GS]MSFILTER ioctls 1012 */ 1013 struct group_filter { 1014 uint32_t gf_interface; /* interface index */ 1015 struct sockaddr_storage gf_group; /* multicast address */ 1016 uint32_t gf_fmode; /* filter mode */ 1017 uint32_t gf_numsrc; /* number of sources */ 1018 struct sockaddr_storage gf_slist[1]; /* source address */ 1019 }; 1020 1021 #if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4 1022 #pragma pack() 1023 #endif 1024 1025 #define GROUP_FILTER_SIZE(numsrc) \ 1026 (sizeof (struct group_filter) - sizeof (struct sockaddr_storage) \ 1027 + (numsrc) * sizeof (struct sockaddr_storage)) 1028 1029 /* 1030 * Argument for SIOC[GS]IPMSFILTER ioctls (IPv4-specific) 1031 */ 1032 struct ip_msfilter { 1033 struct in_addr imsf_multiaddr; /* IP multicast address of group */ 1034 struct in_addr imsf_interface; /* local IP address of interface */ 1035 uint32_t imsf_fmode; /* filter mode */ 1036 uint32_t imsf_numsrc; /* number of sources in src_list */ 1037 struct in_addr imsf_slist[1]; /* start of source list */ 1038 }; 1039 1040 #define IP_MSFILTER_SIZE(numsrc) \ 1041 (sizeof (struct ip_msfilter) - sizeof (struct in_addr) \ 1042 + (numsrc) * sizeof (struct in_addr)) 1043 1044 /* 1045 * Multicast source filter manipulation functions in libsocket; 1046 * defined in RFC 3678. 1047 */ 1048 int setsourcefilter(int, uint32_t, struct sockaddr *, socklen_t, uint32_t, 1049 uint_t, struct sockaddr_storage *); 1050 1051 int getsourcefilter(int, uint32_t, struct sockaddr *, socklen_t, uint32_t *, 1052 uint_t *, struct sockaddr_storage *); 1053 1054 int setipv4sourcefilter(int, struct in_addr, struct in_addr, uint32_t, 1055 uint32_t, struct in_addr *); 1056 1057 int getipv4sourcefilter(int, struct in_addr, struct in_addr, uint32_t *, 1058 uint32_t *, struct in_addr *); 1059 1060 /* 1061 * Definitions needed for [gs]etsourcefilter(), [gs]etipv4sourcefilter() 1062 */ 1063 #define MCAST_INCLUDE 1 1064 #define MCAST_EXCLUDE 2 1065 1066 /* 1067 * Argument struct for IP_PKTINFO option 1068 */ 1069 typedef struct in_pktinfo { 1070 unsigned int ipi_ifindex; /* send/recv interface index */ 1071 struct in_addr ipi_spec_dst; /* matched source address */ 1072 struct in_addr ipi_addr; /* src/dst address in IP hdr */ 1073 } in_pktinfo_t; 1074 1075 /* 1076 * Argument struct for IPV6_PKTINFO option 1077 */ 1078 struct in6_pktinfo { 1079 struct in6_addr ipi6_addr; /* src/dst IPv6 address */ 1080 unsigned int ipi6_ifindex; /* send/recv interface index */ 1081 }; 1082 1083 /* 1084 * Argument struct for IPV6_MTUINFO option 1085 */ 1086 struct ip6_mtuinfo { 1087 struct sockaddr_in6 ip6m_addr; /* dst address including zone ID */ 1088 uint32_t ip6m_mtu; /* path MTU in host byte order */ 1089 }; 1090 1091 /* 1092 * IPv6 routing header types 1093 */ 1094 #define IPV6_RTHDR_TYPE_0 0 1095 1096 extern socklen_t inet6_rth_space(int type, int segments); 1097 extern void *inet6_rth_init(void *bp, socklen_t bp_len, int type, int segments); 1098 extern int inet6_rth_add(void *bp, const struct in6_addr *addr); 1099 extern int inet6_rth_reverse(const void *in, void *out); 1100 extern int inet6_rth_segments(const void *bp); 1101 extern struct in6_addr *inet6_rth_getaddr(const void *bp, int index); 1102 1103 extern int inet6_opt_init(void *extbuf, socklen_t extlen); 1104 extern int inet6_opt_append(void *extbuf, socklen_t extlen, int offset, 1105 uint8_t type, socklen_t len, uint_t align, void **databufp); 1106 extern int inet6_opt_finish(void *extbuf, socklen_t extlen, int offset); 1107 extern int inet6_opt_set_val(void *databuf, int offset, void *val, 1108 socklen_t vallen); 1109 extern int inet6_opt_next(void *extbuf, socklen_t extlen, int offset, 1110 uint8_t *typep, socklen_t *lenp, void **databufp); 1111 extern int inet6_opt_find(void *extbufp, socklen_t extlen, int offset, 1112 uint8_t type, socklen_t *lenp, void **databufp); 1113 extern int inet6_opt_get_val(void *databuf, int offset, void *val, 1114 socklen_t vallen); 1115 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 1116 1117 /* 1118 * Argument structure for IP_ADD_PROXY_ADDR. 1119 * Note that this is an unstable, experimental interface. It may change 1120 * later. Don't use it unless you know what it is. 1121 */ 1122 typedef struct { 1123 struct in_addr in_prefix_addr; 1124 unsigned int in_prefix_len; 1125 } in_prefix_t; 1126 1127 1128 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 1129 /* 1130 * IPv6 options 1131 */ 1132 #define IPV6_UNICAST_HOPS 0x5 /* hop limit value for unicast */ 1133 /* packets. */ 1134 /* argument type: uint_t */ 1135 #define IPV6_MULTICAST_IF 0x6 /* outgoing interface for */ 1136 /* multicast packets. */ 1137 /* argument type: struct in6_addr */ 1138 #define IPV6_MULTICAST_HOPS 0x7 /* hop limit value to use for */ 1139 /* multicast packets. */ 1140 /* argument type: uint_t */ 1141 #define IPV6_MULTICAST_LOOP 0x8 /* enable/disable delivery of */ 1142 /* multicast packets on same socket. */ 1143 /* argument type: uint_t */ 1144 #define IPV6_JOIN_GROUP 0x9 /* join an IPv6 multicast group. */ 1145 /* argument type: struct ipv6_mreq */ 1146 #define IPV6_LEAVE_GROUP 0xa /* leave an IPv6 multicast group */ 1147 /* argument type: struct ipv6_mreq */ 1148 /* 1149 * IPV6_ADD_MEMBERSHIP and IPV6_DROP_MEMBERSHIP are being kept 1150 * for backward compatibility. They have the same meaning as IPV6_JOIN_GROUP 1151 * and IPV6_LEAVE_GROUP respectively. 1152 */ 1153 #define IPV6_ADD_MEMBERSHIP 0x9 /* join an IPv6 multicast group. */ 1154 /* argument type: struct ipv6_mreq */ 1155 #define IPV6_DROP_MEMBERSHIP 0xa /* leave an IPv6 multicast group */ 1156 /* argument type: struct ipv6_mreq */ 1157 1158 #define IPV6_PKTINFO 0xb /* addr plus interface index */ 1159 /* arg type: "struct in6_pktingo" - */ 1160 #define IPV6_HOPLIMIT 0xc /* hoplimit for datagram */ 1161 #define IPV6_NEXTHOP 0xd /* next hop address */ 1162 #define IPV6_HOPOPTS 0xe /* hop by hop options */ 1163 #define IPV6_DSTOPTS 0xf /* destination options - after */ 1164 /* the routing header */ 1165 #define IPV6_RTHDR 0x10 /* routing header */ 1166 #define IPV6_RTHDRDSTOPTS 0x11 /* destination options - before */ 1167 /* the routing header */ 1168 #define IPV6_RECVPKTINFO 0x12 /* enable/disable IPV6_PKTINFO */ 1169 #define IPV6_RECVHOPLIMIT 0x13 /* enable/disable IPV6_HOPLIMIT */ 1170 #define IPV6_RECVHOPOPTS 0x14 /* enable/disable IPV6_HOPOPTS */ 1171 1172 /* 1173 * This options exists for backwards compatability and should no longer be 1174 * used. Use IPV6_RECVDSTOPTS instead. 1175 */ 1176 #define _OLD_IPV6_RECVDSTOPTS 0x15 1177 1178 #define IPV6_RECVRTHDR 0x16 /* enable/disable IPV6_RTHDR */ 1179 1180 /* 1181 * enable/disable IPV6_RTHDRDSTOPTS. Now obsolete. IPV6_RECVDSTOPTS enables 1182 * the receipt of both headers. 1183 */ 1184 #define IPV6_RECVRTHDRDSTOPTS 0x17 1185 1186 #define IPV6_CHECKSUM 0x18 /* Control checksum on raw sockets */ 1187 #define IPV6_RECVTCLASS 0x19 /* enable/disable IPV6_CLASS */ 1188 #define IPV6_USE_MIN_MTU 0x20 /* send packets with minimum MTU */ 1189 #define IPV6_DONTFRAG 0x21 /* don't fragment packets */ 1190 #define IPV6_SEC_OPT 0x22 /* Used to set IPSEC options */ 1191 #define IPV6_SRC_PREFERENCES 0x23 /* Control socket's src addr select */ 1192 #define IPV6_RECVPATHMTU 0x24 /* receive PMTU info */ 1193 #define IPV6_PATHMTU 0x25 /* get the PMTU */ 1194 #define IPV6_TCLASS 0x26 /* traffic class */ 1195 #define IPV6_V6ONLY 0x27 /* v6 only socket option */ 1196 1197 /* 1198 * enable/disable receipt of both both IPV6_DSTOPTS headers. 1199 */ 1200 #define IPV6_RECVDSTOPTS 0x28 1201 1202 /* 1203 * protocol-independent multicast membership options. 1204 */ 1205 #define MCAST_JOIN_GROUP 0x29 /* join group for all sources */ 1206 #define MCAST_LEAVE_GROUP 0x2a /* leave group */ 1207 #define MCAST_BLOCK_SOURCE 0x2b /* block specified source */ 1208 #define MCAST_UNBLOCK_SOURCE 0x2c /* unblock specified source */ 1209 #define MCAST_JOIN_SOURCE_GROUP 0x2d /* join group for specified source */ 1210 #define MCAST_LEAVE_SOURCE_GROUP 0x2e /* leave source/group pair */ 1211 1212 /* 32Bit field for IPV6_SRC_PREFERENCES */ 1213 #define IPV6_PREFER_SRC_HOME 0x00000001 1214 #define IPV6_PREFER_SRC_COA 0x00000002 1215 #define IPV6_PREFER_SRC_PUBLIC 0x00000004 1216 #define IPV6_PREFER_SRC_TMP 0x00000008 1217 #define IPV6_PREFER_SRC_NONCGA 0x00000010 1218 #define IPV6_PREFER_SRC_CGA 0x00000020 1219 1220 #define IPV6_PREFER_SRC_MIPMASK (IPV6_PREFER_SRC_HOME | IPV6_PREFER_SRC_COA) 1221 #define IPV6_PREFER_SRC_MIPDEFAULT IPV6_PREFER_SRC_HOME 1222 #define IPV6_PREFER_SRC_TMPMASK (IPV6_PREFER_SRC_PUBLIC | IPV6_PREFER_SRC_TMP) 1223 #define IPV6_PREFER_SRC_TMPDEFAULT IPV6_PREFER_SRC_PUBLIC 1224 #define IPV6_PREFER_SRC_CGAMASK (IPV6_PREFER_SRC_NONCGA | IPV6_PREFER_SRC_CGA) 1225 #define IPV6_PREFER_SRC_CGADEFAULT IPV6_PREFER_SRC_NONCGA 1226 1227 #define IPV6_PREFER_SRC_MASK (IPV6_PREFER_SRC_MIPMASK |\ 1228 IPV6_PREFER_SRC_TMPMASK | IPV6_PREFER_SRC_CGAMASK) 1229 1230 #define IPV6_PREFER_SRC_DEFAULT (IPV6_PREFER_SRC_MIPDEFAULT |\ 1231 IPV6_PREFER_SRC_TMPDEFAULT | IPV6_PREFER_SRC_CGADEFAULT) 1232 1233 /* 1234 * SunOS private (potentially not portable) IPV6_ option names 1235 */ 1236 #define IPV6_BOUND_IF 0x41 /* bind to an ifindex */ 1237 #define IPV6_UNSPEC_SRC 0x42 /* source of packets set to */ 1238 /* unspecified (all zeros) */ 1239 #define IPV6_BOUND_PIF 0x43 /* Bind to Physical interface */ 1240 /* No load balancing or failover */ 1241 /* 1242 * IPV6_DONTFAILOVER_IF option is used to indicate that outbound unicast and 1243 * multicast packets go through the specified interface, no load spreading, 1244 * no failover. 1245 * This is a Sun private interface. 1246 */ 1247 #define IPV6_DONTFAILOVER_IF 0x44 1248 1249 /* 1250 * Miscellaneous IPv6 constants. 1251 */ 1252 #define INET_ADDRSTRLEN 16 /* max len IPv4 addr in ascii dotted */ 1253 /* decimal notation. */ 1254 #define INET6_ADDRSTRLEN 46 /* max len of IPv6 addr in ascii */ 1255 /* standard colon-hex notation. */ 1256 #define IPV6_PAD1_OPT 0 /* pad byte in IPv6 extension hdrs */ 1257 1258 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 1259 1260 /* 1261 * Extern declarations for pre-defined global const variables 1262 */ 1263 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 1264 #ifndef _KERNEL 1265 #ifdef __STDC__ 1266 extern const struct in6_addr in6addr_any; 1267 extern const struct in6_addr in6addr_loopback; 1268 #else 1269 extern struct in6_addr in6addr_any; 1270 extern struct in6_addr in6addr_loopback; 1271 #endif 1272 #endif 1273 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 1274 1275 #ifdef __cplusplus 1276 } 1277 #endif 1278 1279 #endif /* _NETINET_IN_H */ 1280