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_MDNS 5353 201 #define IPPORT_MTP 57 202 203 /* 204 * Port/socket numbers: host specific functions 205 */ 206 #define IPPORT_BOOTPS 67 207 #define IPPORT_BOOTPC 68 208 #define IPPORT_TFTP 69 209 #define IPPORT_RJE 77 210 #define IPPORT_FINGER 79 211 #define IPPORT_HTTP 80 212 #define IPPORT_HTTP_ALT 8080 213 #define IPPORT_TTYLINK 87 214 #define IPPORT_SUPDUP 95 215 #define IPPORT_NTP 123 216 #define IPPORT_NETBIOS_NS 137 217 #define IPPORT_NETBIOS_DGM 138 218 #define IPPORT_NETBIOS_SSN 139 219 #define IPPORT_LDAP 389 220 #define IPPORT_SLP 427 221 #define IPPORT_MIP 434 222 223 /* 224 * Internet Key Exchange (IKE) ports 225 */ 226 #define IPPORT_IKE 500 227 #define IPPORT_IKE_NATT 4500 228 229 /* 230 * UNIX TCP sockets 231 */ 232 #define IPPORT_EXECSERVER 512 233 #define IPPORT_LOGINSERVER 513 234 #define IPPORT_CMDSERVER 514 235 #define IPPORT_PRINTER 515 236 #define IPPORT_EFSSERVER 520 237 238 /* 239 * UNIX UDP sockets 240 */ 241 #define IPPORT_BIFFUDP 512 242 #define IPPORT_WHOSERVER 513 243 #define IPPORT_SYSLOG 514 244 #define IPPORT_TALK 517 245 #define IPPORT_ROUTESERVER 520 246 #define IPPORT_RIPNG 521 247 248 /* 249 * DHCPv6 UDP ports 250 */ 251 #define IPPORT_DHCPV6C 546 252 #define IPPORT_DHCPV6S 547 253 254 #define IPPORT_SOCKS 1080 255 256 /* 257 * Ports < IPPORT_RESERVED are reserved for 258 * privileged processes (e.g. root). 259 * Ports > IPPORT_USERRESERVED are reserved 260 * for servers, not necessarily privileged. 261 */ 262 #define IPPORT_RESERVED 1024 263 #define IPPORT_USERRESERVED 5000 264 265 /* 266 * Link numbers 267 */ 268 #define IMPLINK_IP 155 269 #define IMPLINK_LOWEXPER 156 270 #define IMPLINK_HIGHEXPER 158 271 272 /* 273 * IPv4 Internet address 274 * This definition contains obsolete fields for compatibility 275 * with SunOS 3.x and 4.2bsd. The presence of subnets renders 276 * divisions into fixed fields misleading at best. New code 277 * should use only the s_addr field. 278 */ 279 280 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 281 #define _S_un_b S_un_b 282 #define _S_un_w S_un_w 283 #define _S_addr S_addr 284 #define _S_un S_un 285 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 286 287 struct in_addr { 288 union { 289 struct { uint8_t s_b1, s_b2, s_b3, s_b4; } _S_un_b; 290 struct { uint16_t s_w1, s_w2; } _S_un_w; 291 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 292 uint32_t _S_addr; 293 #else 294 in_addr_t _S_addr; 295 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 296 } _S_un; 297 #define s_addr _S_un._S_addr /* should be used for all code */ 298 #define s_host _S_un._S_un_b.s_b2 /* OBSOLETE: host on imp */ 299 #define s_net _S_un._S_un_b.s_b1 /* OBSOLETE: network */ 300 #define s_imp _S_un._S_un_w.s_w2 /* OBSOLETE: imp */ 301 #define s_impno _S_un._S_un_b.s_b4 /* OBSOLETE: imp # */ 302 #define s_lh _S_un._S_un_b.s_b3 /* OBSOLETE: logical host */ 303 }; 304 305 /* 306 * Definitions of bits in internet address integers. 307 * On subnets, the decomposition of addresses to host and net parts 308 * is done according to subnet mask, not the masks here. 309 */ 310 #define IN_CLASSA(i) (((i) & 0x80000000U) == 0) 311 #define IN_CLASSA_NET 0xff000000U 312 #define IN_CLASSA_NSHIFT 24 313 #define IN_CLASSA_HOST 0x00ffffffU 314 #define IN_CLASSA_MAX 128 315 316 #define IN_CLASSB(i) (((i) & 0xc0000000U) == 0x80000000U) 317 #define IN_CLASSB_NET 0xffff0000U 318 #define IN_CLASSB_NSHIFT 16 319 #define IN_CLASSB_HOST 0x0000ffffU 320 #define IN_CLASSB_MAX 65536 321 322 #define IN_CLASSC(i) (((i) & 0xe0000000U) == 0xc0000000U) 323 #define IN_CLASSC_NET 0xffffff00U 324 #define IN_CLASSC_NSHIFT 8 325 #define IN_CLASSC_HOST 0x000000ffU 326 327 #define IN_CLASSD(i) (((i) & 0xf0000000U) == 0xe0000000U) 328 #define IN_CLASSD_NET 0xf0000000U /* These aren't really */ 329 #define IN_CLASSD_NSHIFT 28 /* net and host fields, but */ 330 #define IN_CLASSD_HOST 0x0fffffffU /* routing needn't know */ 331 #define IN_MULTICAST(i) IN_CLASSD(i) 332 333 #define IN_EXPERIMENTAL(i) (((i) & 0xe0000000U) == 0xe0000000U) 334 #define IN_BADCLASS(i) (((i) & 0xf0000000U) == 0xf0000000U) 335 336 #define INADDR_ANY 0x00000000U 337 #define INADDR_LOOPBACK 0x7F000001U 338 #define INADDR_BROADCAST 0xffffffffU /* must be masked */ 339 #define INADDR_NONE 0xffffffffU 340 341 #define INADDR_UNSPEC_GROUP 0xe0000000U /* 224.0.0.0 */ 342 #define INADDR_ALLHOSTS_GROUP 0xe0000001U /* 224.0.0.1 */ 343 #define INADDR_ALLRTRS_GROUP 0xe0000002U /* 224.0.0.2 */ 344 #define INADDR_ALLRPTS_GROUP 0xe0000016U /* 224.0.0.22, IGMPv3 */ 345 #define INADDR_MAX_LOCAL_GROUP 0xe00000ffU /* 224.0.0.255 */ 346 347 /* Scoped IPv4 prefixes (in host byte-order) */ 348 #define IN_AUTOCONF_NET 0xa9fe0000U /* 169.254/16 */ 349 #define IN_AUTOCONF_MASK 0xffff0000U 350 #define IN_PRIVATE8_NET 0x0a000000U /* 10/8 */ 351 #define IN_PRIVATE8_MASK 0xff000000U 352 #define IN_PRIVATE12_NET 0xac100000U /* 172.16/12 */ 353 #define IN_PRIVATE12_MASK 0xfff00000U 354 #define IN_PRIVATE16_NET 0xc0a80000U /* 192.168/16 */ 355 #define IN_PRIVATE16_MASK 0xffff0000U 356 357 /* RFC 3927 IPv4 link local address (i in host byte-order) */ 358 #define IN_LINKLOCAL(i) (((i) & IN_AUTOCONF_MASK) == IN_AUTOCONF_NET) 359 360 /* Well known 6to4 Relay Router Anycast address defined in RFC 3068 */ 361 #if !defined(_XPG4_2) || !defined(__EXTENSIONS__) 362 #define INADDR_6TO4RRANYCAST 0xc0586301U /* 192.88.99.1 */ 363 #endif /* !defined(_XPG4_2) || !defined(__EXTENSIONS__) */ 364 365 #define IN_LOOPBACKNET 127 /* official! */ 366 367 /* 368 * Define a macro to stuff the loopback address into an Internet address 369 */ 370 #if !defined(_XPG4_2) || !defined(__EXTENSIONS__) 371 #define IN_SET_LOOPBACK_ADDR(a) \ 372 { (a)->sin_addr.s_addr = htonl(INADDR_LOOPBACK); \ 373 (a)->sin_family = AF_INET; } 374 #endif /* !defined(_XPG4_2) || !defined(__EXTENSIONS__) */ 375 376 /* 377 * IPv4 Socket address. 378 */ 379 struct sockaddr_in { 380 sa_family_t sin_family; 381 in_port_t sin_port; 382 struct in_addr sin_addr; 383 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 384 char sin_zero[8]; 385 #else 386 unsigned char sin_zero[8]; 387 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 388 }; 389 390 #if !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) 391 /* 392 * IPv6 socket address. 393 */ 394 struct sockaddr_in6 { 395 sa_family_t sin6_family; 396 in_port_t sin6_port; 397 uint32_t sin6_flowinfo; 398 struct in6_addr sin6_addr; 399 uint32_t sin6_scope_id; /* Depends on scope of sin6_addr */ 400 uint32_t __sin6_src_id; /* Impl. specific - UDP replies */ 401 }; 402 403 /* 404 * Macros for accessing the traffic class and flow label fields from 405 * sin6_flowinfo. 406 * These are designed to be applied to a 32-bit value. 407 */ 408 #ifdef _BIG_ENDIAN 409 410 /* masks */ 411 #define IPV6_FLOWINFO_FLOWLABEL 0x000fffffU 412 #define IPV6_FLOWINFO_TCLASS 0x0ff00000U 413 414 #else /* _BIG_ENDIAN */ 415 416 /* masks */ 417 #define IPV6_FLOWINFO_FLOWLABEL 0xffff0f00U 418 #define IPV6_FLOWINFO_TCLASS 0x0000f00fU 419 420 #endif /* _BIG_ENDIAN */ 421 422 /* 423 * Note: Macros IN6ADDR_ANY_INIT and IN6ADDR_LOOPBACK_INIT are for 424 * use as RHS of Static initializers of "struct in6_addr" (or in6_addr_t) 425 * only. They need to be different for User/Kernel versions because union 426 * component data structure is defined differently (it is identical at 427 * binary representation level). 428 * 429 * const struct in6_addr IN6ADDR_ANY_INIT; 430 * const struct in6_addr IN6ADDR_LOOPBACK_INIT; 431 */ 432 433 434 #ifdef _KERNEL 435 #define IN6ADDR_ANY_INIT { 0, 0, 0, 0 } 436 437 #ifdef _BIG_ENDIAN 438 #define IN6ADDR_LOOPBACK_INIT { 0, 0, 0, 0x00000001U } 439 #else /* _BIG_ENDIAN */ 440 #define IN6ADDR_LOOPBACK_INIT { 0, 0, 0, 0x01000000U } 441 #endif /* _BIG_ENDIAN */ 442 443 #else 444 445 #define IN6ADDR_ANY_INIT { 0, 0, 0, 0, \ 446 0, 0, 0, 0, \ 447 0, 0, 0, 0, \ 448 0, 0, 0, 0 } 449 450 #define IN6ADDR_LOOPBACK_INIT { 0, 0, 0, 0, \ 451 0, 0, 0, 0, \ 452 0, 0, 0, 0, \ 453 0, 0, 0, 0x1U } 454 #endif /* _KERNEL */ 455 456 /* 457 * RFC 2553 specifies the following macros. Their type is defined 458 * as "int" in the RFC but they only have boolean significance 459 * (zero or non-zero). For the purposes of our comment notation, 460 * we assume a hypothetical type "bool" defined as follows to 461 * write the prototypes assumed for macros in our comments better. 462 * 463 * typedef int bool; 464 */ 465 466 /* 467 * IN6 macros used to test for special IPv6 addresses 468 * (Mostly from spec) 469 * 470 * bool IN6_IS_ADDR_UNSPECIFIED (const struct in6_addr *); 471 * bool IN6_IS_ADDR_LOOPBACK (const struct in6_addr *); 472 * bool IN6_IS_ADDR_MULTICAST (const struct in6_addr *); 473 * bool IN6_IS_ADDR_LINKLOCAL (const struct in6_addr *); 474 * bool IN6_IS_ADDR_SITELOCAL (const struct in6_addr *); 475 * bool IN6_IS_ADDR_V4MAPPED (const struct in6_addr *); 476 * bool IN6_IS_ADDR_V4MAPPED_ANY(const struct in6_addr *); -- Not from RFC2553 477 * bool IN6_IS_ADDR_V4COMPAT (const struct in6_addr *); 478 * bool IN6_IS_ADDR_MC_RESERVED (const struct in6_addr *); -- Not from RFC2553 479 * bool IN6_IS_ADDR_MC_NODELOCAL(const struct in6_addr *); 480 * bool IN6_IS_ADDR_MC_LINKLOCAL(const struct in6_addr *); 481 * bool IN6_IS_ADDR_MC_SITELOCAL(const struct in6_addr *); 482 * bool IN6_IS_ADDR_MC_ORGLOCAL (const struct in6_addr *); 483 * bool IN6_IS_ADDR_MC_GLOBAL (const struct in6_addr *); 484 * bool IN6_IS_ADDR_6TO4 (const struct in6_addr *); -- Not from RFC2553 485 * bool IN6_ARE_6TO4_PREFIX_EQUAL(const struct in6_addr *, 486 * const struct in6_addr *); -- Not from RFC2553 487 * bool IN6_IS_ADDR_LINKSCOPE (const struct in6addr *); -- Not from RFC2553 488 */ 489 490 #define IN6_IS_ADDR_UNSPECIFIED(addr) \ 491 (((addr)->_S6_un._S6_u32[3] == 0) && \ 492 ((addr)->_S6_un._S6_u32[2] == 0) && \ 493 ((addr)->_S6_un._S6_u32[1] == 0) && \ 494 ((addr)->_S6_un._S6_u32[0] == 0)) 495 496 #ifdef _BIG_ENDIAN 497 #define IN6_IS_ADDR_LOOPBACK(addr) \ 498 (((addr)->_S6_un._S6_u32[3] == 0x00000001) && \ 499 ((addr)->_S6_un._S6_u32[2] == 0) && \ 500 ((addr)->_S6_un._S6_u32[1] == 0) && \ 501 ((addr)->_S6_un._S6_u32[0] == 0)) 502 #else /* _BIG_ENDIAN */ 503 #define IN6_IS_ADDR_LOOPBACK(addr) \ 504 (((addr)->_S6_un._S6_u32[3] == 0x01000000) && \ 505 ((addr)->_S6_un._S6_u32[2] == 0) && \ 506 ((addr)->_S6_un._S6_u32[1] == 0) && \ 507 ((addr)->_S6_un._S6_u32[0] == 0)) 508 #endif /* _BIG_ENDIAN */ 509 510 #ifdef _BIG_ENDIAN 511 #define IN6_IS_ADDR_MULTICAST(addr) \ 512 (((addr)->_S6_un._S6_u32[0] & 0xff000000) == 0xff000000) 513 #else /* _BIG_ENDIAN */ 514 #define IN6_IS_ADDR_MULTICAST(addr) \ 515 (((addr)->_S6_un._S6_u32[0] & 0x000000ff) == 0x000000ff) 516 #endif /* _BIG_ENDIAN */ 517 518 #ifdef _BIG_ENDIAN 519 #define IN6_IS_ADDR_LINKLOCAL(addr) \ 520 (((addr)->_S6_un._S6_u32[0] & 0xffc00000) == 0xfe800000) 521 #else /* _BIG_ENDIAN */ 522 #define IN6_IS_ADDR_LINKLOCAL(addr) \ 523 (((addr)->_S6_un._S6_u32[0] & 0x0000c0ff) == 0x000080fe) 524 #endif /* _BIG_ENDIAN */ 525 526 #ifdef _BIG_ENDIAN 527 #define IN6_IS_ADDR_SITELOCAL(addr) \ 528 (((addr)->_S6_un._S6_u32[0] & 0xffc00000) == 0xfec00000) 529 #else /* _BIG_ENDIAN */ 530 #define IN6_IS_ADDR_SITELOCAL(addr) \ 531 (((addr)->_S6_un._S6_u32[0] & 0x0000c0ff) == 0x0000c0fe) 532 #endif /* _BIG_ENDIAN */ 533 534 #ifdef _BIG_ENDIAN 535 #define IN6_IS_ADDR_V4MAPPED(addr) \ 536 (((addr)->_S6_un._S6_u32[2] == 0x0000ffff) && \ 537 ((addr)->_S6_un._S6_u32[1] == 0) && \ 538 ((addr)->_S6_un._S6_u32[0] == 0)) 539 #else /* _BIG_ENDIAN */ 540 #define IN6_IS_ADDR_V4MAPPED(addr) \ 541 (((addr)->_S6_un._S6_u32[2] == 0xffff0000U) && \ 542 ((addr)->_S6_un._S6_u32[1] == 0) && \ 543 ((addr)->_S6_un._S6_u32[0] == 0)) 544 #endif /* _BIG_ENDIAN */ 545 546 /* 547 * IN6_IS_ADDR_V4MAPPED - A IPv4 mapped INADDR_ANY 548 * Note: This macro is currently NOT defined in RFC2553 specification 549 * and not a standard macro that portable applications should use. 550 */ 551 #ifdef _BIG_ENDIAN 552 #define IN6_IS_ADDR_V4MAPPED_ANY(addr) \ 553 (((addr)->_S6_un._S6_u32[3] == 0) && \ 554 ((addr)->_S6_un._S6_u32[2] == 0x0000ffff) && \ 555 ((addr)->_S6_un._S6_u32[1] == 0) && \ 556 ((addr)->_S6_un._S6_u32[0] == 0)) 557 #else /* _BIG_ENDIAN */ 558 #define IN6_IS_ADDR_V4MAPPED_ANY(addr) \ 559 (((addr)->_S6_un._S6_u32[3] == 0) && \ 560 ((addr)->_S6_un._S6_u32[2] == 0xffff0000U) && \ 561 ((addr)->_S6_un._S6_u32[1] == 0) && \ 562 ((addr)->_S6_un._S6_u32[0] == 0)) 563 #endif /* _BIG_ENDIAN */ 564 565 /* Exclude loopback and unspecified address */ 566 #ifdef _BIG_ENDIAN 567 #define IN6_IS_ADDR_V4COMPAT(addr) \ 568 (((addr)->_S6_un._S6_u32[2] == 0) && \ 569 ((addr)->_S6_un._S6_u32[1] == 0) && \ 570 ((addr)->_S6_un._S6_u32[0] == 0) && \ 571 !((addr)->_S6_un._S6_u32[3] == 0) && \ 572 !((addr)->_S6_un._S6_u32[3] == 0x00000001)) 573 574 #else /* _BIG_ENDIAN */ 575 #define IN6_IS_ADDR_V4COMPAT(addr) \ 576 (((addr)->_S6_un._S6_u32[2] == 0) && \ 577 ((addr)->_S6_un._S6_u32[1] == 0) && \ 578 ((addr)->_S6_un._S6_u32[0] == 0) && \ 579 !((addr)->_S6_un._S6_u32[3] == 0) && \ 580 !((addr)->_S6_un._S6_u32[3] == 0x01000000)) 581 #endif /* _BIG_ENDIAN */ 582 583 /* 584 * Note: 585 * IN6_IS_ADDR_MC_RESERVED macro is currently NOT defined in RFC2553 586 * specification and not a standard macro that portable applications 587 * should use. 588 */ 589 #ifdef _BIG_ENDIAN 590 #define IN6_IS_ADDR_MC_RESERVED(addr) \ 591 (((addr)->_S6_un._S6_u32[0] & 0xff0f0000) == 0xff000000) 592 593 #else /* _BIG_ENDIAN */ 594 #define IN6_IS_ADDR_MC_RESERVED(addr) \ 595 (((addr)->_S6_un._S6_u32[0] & 0x00000fff) == 0x000000ff) 596 #endif /* _BIG_ENDIAN */ 597 598 #ifdef _BIG_ENDIAN 599 #define IN6_IS_ADDR_MC_NODELOCAL(addr) \ 600 (((addr)->_S6_un._S6_u32[0] & 0xff0f0000) == 0xff010000) 601 #else /* _BIG_ENDIAN */ 602 #define IN6_IS_ADDR_MC_NODELOCAL(addr) \ 603 (((addr)->_S6_un._S6_u32[0] & 0x00000fff) == 0x000001ff) 604 #endif /* _BIG_ENDIAN */ 605 606 #ifdef _BIG_ENDIAN 607 #define IN6_IS_ADDR_MC_LINKLOCAL(addr) \ 608 (((addr)->_S6_un._S6_u32[0] & 0xff0f0000) == 0xff020000) 609 #else /* _BIG_ENDIAN */ 610 #define IN6_IS_ADDR_MC_LINKLOCAL(addr) \ 611 (((addr)->_S6_un._S6_u32[0] & 0x00000fff) == 0x000002ff) 612 #endif /* _BIG_ENDIAN */ 613 614 #ifdef _BIG_ENDIAN 615 #define IN6_IS_ADDR_MC_SITELOCAL(addr) \ 616 (((addr)->_S6_un._S6_u32[0] & 0xff0f0000) == 0xff050000) 617 #else /* _BIG_ENDIAN */ 618 #define IN6_IS_ADDR_MC_SITELOCAL(addr) \ 619 (((addr)->_S6_un._S6_u32[0] & 0x00000fff) == 0x000005ff) 620 #endif /* _BIG_ENDIAN */ 621 622 #ifdef _BIG_ENDIAN 623 #define IN6_IS_ADDR_MC_ORGLOCAL(addr) \ 624 (((addr)->_S6_un._S6_u32[0] & 0xff0f0000) == 0xff080000) 625 #else /* _BIG_ENDIAN */ 626 #define IN6_IS_ADDR_MC_ORGLOCAL(addr) \ 627 (((addr)->_S6_un._S6_u32[0] & 0x00000fff) == 0x000008ff) 628 #endif /* _BIG_ENDIAN */ 629 630 #ifdef _BIG_ENDIAN 631 #define IN6_IS_ADDR_MC_GLOBAL(addr) \ 632 (((addr)->_S6_un._S6_u32[0] & 0xff0f0000) == 0xff0e0000) 633 #else /* _BIG_ENDIAN */ 634 #define IN6_IS_ADDR_MC_GLOBAL(addr) \ 635 (((addr)->_S6_un._S6_u32[0] & 0x00000fff) == 0x00000eff) 636 #endif /* _BIG_ENDIAN */ 637 638 /* 639 * The IN6_IS_ADDR_MC_SOLICITEDNODE macro is not defined in any standard or 640 * RFC, and shouldn't be used by portable applications. It is used to see 641 * if an address is a solicited-node multicast address, which is prefixed 642 * with ff02:0:0:0:0:1:ff00::/104. 643 */ 644 #ifdef _BIG_ENDIAN 645 #define IN6_IS_ADDR_MC_SOLICITEDNODE(addr) \ 646 (((addr)->_S6_un._S6_u32[0] == 0xff020000) && \ 647 ((addr)->_S6_un._S6_u32[1] == 0x00000000) && \ 648 ((addr)->_S6_un._S6_u32[2] == 0x00000001) && \ 649 (((addr)->_S6_un._S6_u32[3] & 0xff000000) == 0xff000000)) 650 #else 651 #define IN6_IS_ADDR_MC_SOLICITEDNODE(addr) \ 652 (((addr)->_S6_un._S6_u32[0] == 0x000002ff) && \ 653 ((addr)->_S6_un._S6_u32[1] == 0x00000000) && \ 654 ((addr)->_S6_un._S6_u32[2] == 0x01000000) && \ 655 (((addr)->_S6_un._S6_u32[3] & 0x000000ff) == 0x000000ff)) 656 #endif 657 658 /* 659 * Macros to a) test for 6to4 IPv6 address, and b) to test if two 660 * 6to4 addresses have the same /48 prefix, and, hence, are from the 661 * same 6to4 site. 662 */ 663 664 #ifdef _BIG_ENDIAN 665 #define IN6_IS_ADDR_6TO4(addr) \ 666 (((addr)->_S6_un._S6_u32[0] & 0xffff0000) == 0x20020000) 667 #else /* _BIG_ENDIAN */ 668 #define IN6_IS_ADDR_6TO4(addr) \ 669 (((addr)->_S6_un._S6_u32[0] & 0x0000ffff) == 0x00000220) 670 #endif /* _BIG_ENDIAN */ 671 672 #define IN6_ARE_6TO4_PREFIX_EQUAL(addr1, addr2) \ 673 (((addr1)->_S6_un._S6_u32[0] == (addr2)->_S6_un._S6_u32[0]) && \ 674 ((addr1)->_S6_un._S6_u8[4] == (addr2)->_S6_un._S6_u8[4]) && \ 675 ((addr1)->_S6_un._S6_u8[5] == (addr2)->_S6_un._S6_u8[5])) 676 677 /* 678 * IN6_IS_ADDR_LINKSCOPE 679 * Identifies an address as being either link-local, link-local multicast or 680 * node-local multicast. All types of addresses are considered to be unique 681 * within the scope of a given link. 682 */ 683 #define IN6_IS_ADDR_LINKSCOPE(addr) \ 684 (IN6_IS_ADDR_LINKLOCAL(addr) || IN6_IS_ADDR_MC_LINKLOCAL(addr) || \ 685 IN6_IS_ADDR_MC_NODELOCAL(addr)) 686 687 /* 688 * Useful utility macros for operations with IPv6 addresses 689 * Note: These macros are NOT defined in the RFC2553 or any other 690 * standard specification and are not standard macros that portable 691 * applications should use. 692 */ 693 694 /* 695 * IN6_V4MAPPED_TO_INADDR 696 * IN6_V4MAPPED_TO_IPADDR 697 * Assign a IPv4-Mapped IPv6 address to an IPv4 address. 698 * Note: These macros are NOT defined in RFC2553 or any other standard 699 * specification and are not macros that portable applications should 700 * use. 701 * 702 * void IN6_V4MAPPED_TO_INADDR(const in6_addr_t *v6, struct in_addr *v4); 703 * void IN6_V4MAPPED_TO_IPADDR(const in6_addr_t *v6, ipaddr_t v4); 704 * 705 */ 706 #define IN6_V4MAPPED_TO_INADDR(v6, v4) \ 707 ((v4)->s_addr = (v6)->_S6_un._S6_u32[3]) 708 #define IN6_V4MAPPED_TO_IPADDR(v6, v4) \ 709 ((v4) = (v6)->_S6_un._S6_u32[3]) 710 711 /* 712 * IN6_INADDR_TO_V4MAPPED 713 * IN6_IPADDR_TO_V4MAPPED 714 * Assign a IPv4 address address to an IPv6 address as a IPv4-mapped 715 * address. 716 * Note: These macros are NOT defined in RFC2553 or any other standard 717 * specification and are not macros that portable applications should 718 * use. 719 * 720 * void IN6_INADDR_TO_V4MAPPED(const struct in_addr *v4, in6_addr_t *v6); 721 * void IN6_IPADDR_TO_V4MAPPED(const ipaddr_t v4, in6_addr_t *v6); 722 * 723 */ 724 #ifdef _BIG_ENDIAN 725 #define IN6_INADDR_TO_V4MAPPED(v4, v6) \ 726 ((v6)->_S6_un._S6_u32[3] = (v4)->s_addr, \ 727 (v6)->_S6_un._S6_u32[2] = 0x0000ffff, \ 728 (v6)->_S6_un._S6_u32[1] = 0, \ 729 (v6)->_S6_un._S6_u32[0] = 0) 730 #define IN6_IPADDR_TO_V4MAPPED(v4, v6) \ 731 ((v6)->_S6_un._S6_u32[3] = (v4), \ 732 (v6)->_S6_un._S6_u32[2] = 0x0000ffff, \ 733 (v6)->_S6_un._S6_u32[1] = 0, \ 734 (v6)->_S6_un._S6_u32[0] = 0) 735 #else /* _BIG_ENDIAN */ 736 #define IN6_INADDR_TO_V4MAPPED(v4, v6) \ 737 ((v6)->_S6_un._S6_u32[3] = (v4)->s_addr, \ 738 (v6)->_S6_un._S6_u32[2] = 0xffff0000U, \ 739 (v6)->_S6_un._S6_u32[1] = 0, \ 740 (v6)->_S6_un._S6_u32[0] = 0) 741 #define IN6_IPADDR_TO_V4MAPPED(v4, v6) \ 742 ((v6)->_S6_un._S6_u32[3] = (v4), \ 743 (v6)->_S6_un._S6_u32[2] = 0xffff0000U, \ 744 (v6)->_S6_un._S6_u32[1] = 0, \ 745 (v6)->_S6_un._S6_u32[0] = 0) 746 #endif /* _BIG_ENDIAN */ 747 748 /* 749 * IN6_6TO4_TO_V4ADDR 750 * Extract the embedded IPv4 address from the prefix to a 6to4 IPv6 751 * address. 752 * Note: This macro is NOT defined in RFC2553 or any other standard 753 * specification and is not a macro that portable applications should 754 * use. 755 * Note: we don't use the IPADDR form of the macro because we need 756 * to do a bytewise copy; the V4ADDR in the 6to4 address is not 757 * 32-bit aligned. 758 * 759 * void IN6_6TO4_TO_V4ADDR(const in6_addr_t *v6, struct in_addr *v4); 760 * 761 */ 762 #define IN6_6TO4_TO_V4ADDR(v6, v4) \ 763 ((v4)->_S_un._S_un_b.s_b1 = (v6)->_S6_un._S6_u8[2], \ 764 (v4)->_S_un._S_un_b.s_b2 = (v6)->_S6_un._S6_u8[3], \ 765 (v4)->_S_un._S_un_b.s_b3 = (v6)->_S6_un._S6_u8[4], \ 766 (v4)->_S_un._S_un_b.s_b4 = (v6)->_S6_un._S6_u8[5]) 767 768 /* 769 * IN6_V4ADDR_TO_6TO4 770 * Given an IPv4 address and an IPv6 address for output, a 6to4 address 771 * will be created from the IPv4 Address. 772 * Note: This method for creating 6to4 addresses is not standardized 773 * outside of Solaris. The newly created 6to4 address will be of the form 774 * 2002:<V4ADDR>:<SUBNETID>::<HOSTID>, where SUBNETID will equal 0 and 775 * HOSTID will equal 1. 776 * 777 * void IN6_V4ADDR_TO_6TO4(const struct in_addr *v4, in6_addr_t *v6) 778 * 779 */ 780 #ifdef _BIG_ENDIAN 781 #define IN6_V4ADDR_TO_6TO4(v4, v6) \ 782 ((v6)->_S6_un._S6_u8[0] = 0x20, \ 783 (v6)->_S6_un._S6_u8[1] = 0x02, \ 784 (v6)->_S6_un._S6_u8[2] = (v4)->_S_un._S_un_b.s_b1, \ 785 (v6)->_S6_un._S6_u8[3] = (v4)->_S_un._S_un_b.s_b2, \ 786 (v6)->_S6_un._S6_u8[4] = (v4)->_S_un._S_un_b.s_b3, \ 787 (v6)->_S6_un._S6_u8[5] = (v4)->_S_un._S_un_b.s_b4, \ 788 (v6)->_S6_un._S6_u8[6] = 0, \ 789 (v6)->_S6_un._S6_u8[7] = 0, \ 790 (v6)->_S6_un._S6_u32[2] = 0, \ 791 (v6)->_S6_un._S6_u32[3] = 0x00000001U) 792 #else 793 #define IN6_V4ADDR_TO_6TO4(v4, v6) \ 794 ((v6)->_S6_un._S6_u8[0] = 0x20, \ 795 (v6)->_S6_un._S6_u8[1] = 0x02, \ 796 (v6)->_S6_un._S6_u8[2] = (v4)->_S_un._S_un_b.s_b1, \ 797 (v6)->_S6_un._S6_u8[3] = (v4)->_S_un._S_un_b.s_b2, \ 798 (v6)->_S6_un._S6_u8[4] = (v4)->_S_un._S_un_b.s_b3, \ 799 (v6)->_S6_un._S6_u8[5] = (v4)->_S_un._S_un_b.s_b4, \ 800 (v6)->_S6_un._S6_u8[6] = 0, \ 801 (v6)->_S6_un._S6_u8[7] = 0, \ 802 (v6)->_S6_un._S6_u32[2] = 0, \ 803 (v6)->_S6_un._S6_u32[3] = 0x01000000U) 804 #endif /* _BIG_ENDIAN */ 805 806 /* 807 * IN6_ARE_ADDR_EQUAL (defined in RFC2292) 808 * Compares if IPv6 addresses are equal. 809 * Note: Compares in order of high likelyhood of a miss so we minimize 810 * compares. (Current heuristic order, compare in reverse order of 811 * uint32_t units) 812 * 813 * bool IN6_ARE_ADDR_EQUAL(const struct in6_addr *, 814 * const struct in6_addr *); 815 */ 816 #define IN6_ARE_ADDR_EQUAL(addr1, addr2) \ 817 (((addr1)->_S6_un._S6_u32[3] == (addr2)->_S6_un._S6_u32[3]) && \ 818 ((addr1)->_S6_un._S6_u32[2] == (addr2)->_S6_un._S6_u32[2]) && \ 819 ((addr1)->_S6_un._S6_u32[1] == (addr2)->_S6_un._S6_u32[1]) && \ 820 ((addr1)->_S6_un._S6_u32[0] == (addr2)->_S6_un._S6_u32[0])) 821 822 #endif /* !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) */ 823 824 825 /* 826 * Options for use with [gs]etsockopt at the IP level. 827 * 828 * Note: Some of the IP_ namespace has conflict with and 829 * and is exposed through <xti.h>. (It also requires exposing 830 * options not implemented). The options with potential 831 * for conflicts use #ifndef guards. 832 */ 833 #ifndef IP_OPTIONS 834 #define IP_OPTIONS 1 /* set/get IP per-packet options */ 835 #endif 836 837 #define IP_HDRINCL 2 /* int; header is included with data (raw) */ 838 839 #ifndef IP_TOS 840 #define IP_TOS 3 /* int; IP type of service and precedence */ 841 #endif 842 843 #ifndef IP_TTL 844 #define IP_TTL 4 /* int; IP time to live */ 845 #endif 846 847 #define IP_RECVOPTS 0x5 /* int; receive all IP options w/datagram */ 848 #define IP_RECVRETOPTS 0x6 /* int; receive IP options for response */ 849 #define IP_RECVDSTADDR 0x7 /* int; receive IP dst addr w/datagram */ 850 #define IP_RETOPTS 0x8 /* ip_opts; set/get IP per-packet options */ 851 #define IP_RECVIF 0x9 /* int; receive the inbound interface index */ 852 #define IP_RECVSLLA 0xa /* sockaddr_dl; get source link layer address */ 853 #define IP_RECVTTL 0xb /* uint8_t; get TTL for inbound packet */ 854 855 #define IP_MULTICAST_IF 0x10 /* set/get IP multicast interface */ 856 #define IP_MULTICAST_TTL 0x11 /* set/get IP multicast timetolive */ 857 #define IP_MULTICAST_LOOP 0x12 /* set/get IP multicast loopback */ 858 #define IP_ADD_MEMBERSHIP 0x13 /* add an IP group membership */ 859 #define IP_DROP_MEMBERSHIP 0x14 /* drop an IP group membership */ 860 #define IP_BLOCK_SOURCE 0x15 /* block mcast pkts from source */ 861 #define IP_UNBLOCK_SOURCE 0x16 /* unblock mcast pkts from source */ 862 #define IP_ADD_SOURCE_MEMBERSHIP 0x17 /* add mcast group/source pair */ 863 #define IP_DROP_SOURCE_MEMBERSHIP 0x18 /* drop mcast group/source pair */ 864 #define IP_NEXTHOP 0x19 /* send directly to next hop */ 865 /* 866 * IP_PKTINFO and IP_RECVPKTINFO have same value. Size of argument passed in 867 * is used to differentiate b/w the two. 868 */ 869 #define IP_PKTINFO 0x1a /* specify src address and/or index */ 870 #define IP_RECVPKTINFO 0x1a /* recv dest/matched addr and index */ 871 872 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 873 /* 874 * Different preferences that can be requested from IPSEC protocols. 875 */ 876 #define IP_SEC_OPT 0x22 /* Used to set IPSEC options */ 877 #define IPSEC_PREF_NEVER 0x01 878 #define IPSEC_PREF_REQUIRED 0x02 879 #define IPSEC_PREF_UNIQUE 0x04 880 /* 881 * This can be used with the setsockopt() call to set per socket security 882 * options. When the application uses per-socket API, we will reflect 883 * the request on both outbound and inbound packets. 884 */ 885 886 typedef struct ipsec_req { 887 uint_t ipsr_ah_req; /* AH request */ 888 uint_t ipsr_esp_req; /* ESP request */ 889 uint_t ipsr_self_encap_req; /* Self-Encap request */ 890 uint8_t ipsr_auth_alg; /* Auth algs for AH */ 891 uint8_t ipsr_esp_alg; /* Encr algs for ESP */ 892 uint8_t ipsr_esp_auth_alg; /* Auth algs for ESP */ 893 } ipsec_req_t; 894 895 /* 896 * MCAST_* options are protocol-independent. The actual definitions 897 * are with the v6 options below; this comment is here to note the 898 * namespace usage. 899 * 900 * #define MCAST_JOIN_GROUP 0x29 901 * #define MCAST_LEAVE_GROUP 0x2a 902 * #define MCAST_BLOCK_SOURCE 0x2b 903 * #define MCAST_UNBLOCK_SOURCE 0x2c 904 * #define MCAST_JOIN_SOURCE_GROUP 0x2d 905 * #define MCAST_LEAVE_SOURCE_GROUP 0x2e 906 */ 907 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 908 909 /* 910 * SunOS private (potentially not portable) IP_ option names 911 */ 912 #define IP_BOUND_IF 0x41 /* bind socket to an ifindex */ 913 #define IP_UNSPEC_SRC 0x42 /* use unspecified source address */ 914 /* UNUSED 0x43 was IP_XMIT_IF -- can be reused */ 915 916 /* 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 #define IP_DHCPINIT_IF 0x45 /* accept all unicast DHCP traffic */ 925 926 /* 927 * Option values and names (when !_XPG5) shared with <xti_inet.h> 928 */ 929 #ifndef IP_REUSEADDR 930 #define IP_REUSEADDR 0x104 931 #endif 932 933 #ifndef IP_DONTROUTE 934 #define IP_DONTROUTE 0x105 935 #endif 936 937 #ifndef IP_BROADCAST 938 #define IP_BROADCAST 0x106 939 #endif 940 941 /* 942 * The following option values are reserved by <xti_inet.h> 943 * 944 * T_IP_OPTIONS 0x107 - IP per-packet options 945 * T_IP_TOS 0x108 - IP per packet type of service 946 */ 947 948 /* 949 * Default value constants for multicast attributes controlled by 950 * IP*_MULTICAST_LOOP and IP*_MULTICAST_{TTL,HOPS} options. 951 */ 952 #define IP_DEFAULT_MULTICAST_TTL 1 /* normally limit m'casts to 1 hop */ 953 #define IP_DEFAULT_MULTICAST_LOOP 1 /* normally hear sends if a member */ 954 955 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 956 /* 957 * Argument structure for IP_ADD_MEMBERSHIP and IP_DROP_MEMBERSHIP. 958 */ 959 struct ip_mreq { 960 struct in_addr imr_multiaddr; /* IP multicast address of group */ 961 struct in_addr imr_interface; /* local IP address of interface */ 962 }; 963 964 /* 965 * Argument structure for IP_BLOCK_SOURCE, IP_UNBLOCK_SOURCE, 966 * IP_ADD_SOURCE_MEMBERSHIP, and IP_DROP_SOURCE_MEMBERSHIP. 967 */ 968 struct ip_mreq_source { 969 struct in_addr imr_multiaddr; /* IP address of group */ 970 struct in_addr imr_sourceaddr; /* IP address of source */ 971 struct in_addr imr_interface; /* IP address of interface */ 972 }; 973 974 /* 975 * Argument structure for IPV6_JOIN_GROUP and IPV6_LEAVE_GROUP on 976 * IPv6 addresses. 977 */ 978 struct ipv6_mreq { 979 struct in6_addr ipv6mr_multiaddr; /* IPv6 multicast addr */ 980 unsigned int ipv6mr_interface; /* interface index */ 981 }; 982 983 /* 984 * Use #pragma pack() construct to force 32-bit alignment on amd64. 985 * This is needed to keep the structure size and offsets consistent 986 * between a 32-bit app and the 64-bit amd64 kernel in structures 987 * where 64-bit alignment would create gaps (in this case, structures 988 * which have a uint32_t followed by a struct sockaddr_storage). 989 */ 990 #if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4 991 #pragma pack(4) 992 #endif 993 994 /* 995 * Argument structure for MCAST_JOIN_GROUP and MCAST_LEAVE_GROUP. 996 */ 997 struct group_req { 998 uint32_t gr_interface; /* interface index */ 999 struct sockaddr_storage gr_group; /* group address */ 1000 }; 1001 1002 /* 1003 * Argument structure for MCAST_BLOCK_SOURCE, MCAST_UNBLOCK_SOURCE, 1004 * MCAST_JOIN_SOURCE_GROUP, MCAST_LEAVE_SOURCE_GROUP. 1005 */ 1006 struct group_source_req { 1007 uint32_t gsr_interface; /* interface index */ 1008 struct sockaddr_storage gsr_group; /* group address */ 1009 struct sockaddr_storage gsr_source; /* source address */ 1010 }; 1011 1012 /* 1013 * Argument for SIOC[GS]MSFILTER ioctls 1014 */ 1015 struct group_filter { 1016 uint32_t gf_interface; /* interface index */ 1017 struct sockaddr_storage gf_group; /* multicast address */ 1018 uint32_t gf_fmode; /* filter mode */ 1019 uint32_t gf_numsrc; /* number of sources */ 1020 struct sockaddr_storage gf_slist[1]; /* source address */ 1021 }; 1022 1023 #if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4 1024 #pragma pack() 1025 #endif 1026 1027 #define GROUP_FILTER_SIZE(numsrc) \ 1028 (sizeof (struct group_filter) - sizeof (struct sockaddr_storage) \ 1029 + (numsrc) * sizeof (struct sockaddr_storage)) 1030 1031 /* 1032 * Argument for SIOC[GS]IPMSFILTER ioctls (IPv4-specific) 1033 */ 1034 struct ip_msfilter { 1035 struct in_addr imsf_multiaddr; /* IP multicast address of group */ 1036 struct in_addr imsf_interface; /* local IP address of interface */ 1037 uint32_t imsf_fmode; /* filter mode */ 1038 uint32_t imsf_numsrc; /* number of sources in src_list */ 1039 struct in_addr imsf_slist[1]; /* start of source list */ 1040 }; 1041 1042 #define IP_MSFILTER_SIZE(numsrc) \ 1043 (sizeof (struct ip_msfilter) - sizeof (struct in_addr) \ 1044 + (numsrc) * sizeof (struct in_addr)) 1045 1046 /* 1047 * Multicast source filter manipulation functions in libsocket; 1048 * defined in RFC 3678. 1049 */ 1050 int setsourcefilter(int, uint32_t, struct sockaddr *, socklen_t, uint32_t, 1051 uint_t, struct sockaddr_storage *); 1052 1053 int getsourcefilter(int, uint32_t, struct sockaddr *, socklen_t, uint32_t *, 1054 uint_t *, struct sockaddr_storage *); 1055 1056 int setipv4sourcefilter(int, struct in_addr, struct in_addr, uint32_t, 1057 uint32_t, struct in_addr *); 1058 1059 int getipv4sourcefilter(int, struct in_addr, struct in_addr, uint32_t *, 1060 uint32_t *, struct in_addr *); 1061 1062 /* 1063 * Definitions needed for [gs]etsourcefilter(), [gs]etipv4sourcefilter() 1064 */ 1065 #define MCAST_INCLUDE 1 1066 #define MCAST_EXCLUDE 2 1067 1068 /* 1069 * Argument struct for IP_PKTINFO option 1070 */ 1071 typedef struct in_pktinfo { 1072 unsigned int ipi_ifindex; /* send/recv interface index */ 1073 struct in_addr ipi_spec_dst; /* matched source address */ 1074 struct in_addr ipi_addr; /* src/dst address in IP hdr */ 1075 } in_pktinfo_t; 1076 1077 /* 1078 * Argument struct for IPV6_PKTINFO option 1079 */ 1080 struct in6_pktinfo { 1081 struct in6_addr ipi6_addr; /* src/dst IPv6 address */ 1082 unsigned int ipi6_ifindex; /* send/recv interface index */ 1083 }; 1084 1085 /* 1086 * Argument struct for IPV6_MTUINFO option 1087 */ 1088 struct ip6_mtuinfo { 1089 struct sockaddr_in6 ip6m_addr; /* dst address including zone ID */ 1090 uint32_t ip6m_mtu; /* path MTU in host byte order */ 1091 }; 1092 1093 /* 1094 * IPv6 routing header types 1095 */ 1096 #define IPV6_RTHDR_TYPE_0 0 1097 1098 extern socklen_t inet6_rth_space(int type, int segments); 1099 extern void *inet6_rth_init(void *bp, socklen_t bp_len, int type, int segments); 1100 extern int inet6_rth_add(void *bp, const struct in6_addr *addr); 1101 extern int inet6_rth_reverse(const void *in, void *out); 1102 extern int inet6_rth_segments(const void *bp); 1103 extern struct in6_addr *inet6_rth_getaddr(const void *bp, int index); 1104 1105 extern int inet6_opt_init(void *extbuf, socklen_t extlen); 1106 extern int inet6_opt_append(void *extbuf, socklen_t extlen, int offset, 1107 uint8_t type, socklen_t len, uint_t align, void **databufp); 1108 extern int inet6_opt_finish(void *extbuf, socklen_t extlen, int offset); 1109 extern int inet6_opt_set_val(void *databuf, int offset, void *val, 1110 socklen_t vallen); 1111 extern int inet6_opt_next(void *extbuf, socklen_t extlen, int offset, 1112 uint8_t *typep, socklen_t *lenp, void **databufp); 1113 extern int inet6_opt_find(void *extbufp, socklen_t extlen, int offset, 1114 uint8_t type, socklen_t *lenp, void **databufp); 1115 extern int inet6_opt_get_val(void *databuf, int offset, void *val, 1116 socklen_t vallen); 1117 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 1118 1119 /* 1120 * Argument structure for IP_ADD_PROXY_ADDR. 1121 * Note that this is an unstable, experimental interface. It may change 1122 * later. Don't use it unless you know what it is. 1123 */ 1124 typedef struct { 1125 struct in_addr in_prefix_addr; 1126 unsigned int in_prefix_len; 1127 } in_prefix_t; 1128 1129 1130 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 1131 /* 1132 * IPv6 options 1133 */ 1134 #define IPV6_UNICAST_HOPS 0x5 /* hop limit value for unicast */ 1135 /* packets. */ 1136 /* argument type: uint_t */ 1137 #define IPV6_MULTICAST_IF 0x6 /* outgoing interface for */ 1138 /* multicast packets. */ 1139 /* argument type: struct in6_addr */ 1140 #define IPV6_MULTICAST_HOPS 0x7 /* hop limit value to use for */ 1141 /* multicast packets. */ 1142 /* argument type: uint_t */ 1143 #define IPV6_MULTICAST_LOOP 0x8 /* enable/disable delivery of */ 1144 /* multicast packets on same socket. */ 1145 /* argument type: uint_t */ 1146 #define IPV6_JOIN_GROUP 0x9 /* join an IPv6 multicast group. */ 1147 /* argument type: struct ipv6_mreq */ 1148 #define IPV6_LEAVE_GROUP 0xa /* leave an IPv6 multicast group */ 1149 /* argument type: struct ipv6_mreq */ 1150 /* 1151 * IPV6_ADD_MEMBERSHIP and IPV6_DROP_MEMBERSHIP are being kept 1152 * for backward compatibility. They have the same meaning as IPV6_JOIN_GROUP 1153 * and IPV6_LEAVE_GROUP respectively. 1154 */ 1155 #define IPV6_ADD_MEMBERSHIP 0x9 /* join an IPv6 multicast group. */ 1156 /* argument type: struct ipv6_mreq */ 1157 #define IPV6_DROP_MEMBERSHIP 0xa /* leave an IPv6 multicast group */ 1158 /* argument type: struct ipv6_mreq */ 1159 1160 #define IPV6_PKTINFO 0xb /* addr plus interface index */ 1161 /* arg type: "struct in6_pktingo" - */ 1162 #define IPV6_HOPLIMIT 0xc /* hoplimit for datagram */ 1163 #define IPV6_NEXTHOP 0xd /* next hop address */ 1164 #define IPV6_HOPOPTS 0xe /* hop by hop options */ 1165 #define IPV6_DSTOPTS 0xf /* destination options - after */ 1166 /* the routing header */ 1167 #define IPV6_RTHDR 0x10 /* routing header */ 1168 #define IPV6_RTHDRDSTOPTS 0x11 /* destination options - before */ 1169 /* the routing header */ 1170 #define IPV6_RECVPKTINFO 0x12 /* enable/disable IPV6_PKTINFO */ 1171 #define IPV6_RECVHOPLIMIT 0x13 /* enable/disable IPV6_HOPLIMIT */ 1172 #define IPV6_RECVHOPOPTS 0x14 /* enable/disable IPV6_HOPOPTS */ 1173 1174 /* 1175 * This options exists for backwards compatability and should no longer be 1176 * used. Use IPV6_RECVDSTOPTS instead. 1177 */ 1178 #define _OLD_IPV6_RECVDSTOPTS 0x15 1179 1180 #define IPV6_RECVRTHDR 0x16 /* enable/disable IPV6_RTHDR */ 1181 1182 /* 1183 * enable/disable IPV6_RTHDRDSTOPTS. Now obsolete. IPV6_RECVDSTOPTS enables 1184 * the receipt of both headers. 1185 */ 1186 #define IPV6_RECVRTHDRDSTOPTS 0x17 1187 1188 #define IPV6_CHECKSUM 0x18 /* Control checksum on raw sockets */ 1189 #define IPV6_RECVTCLASS 0x19 /* enable/disable IPV6_CLASS */ 1190 #define IPV6_USE_MIN_MTU 0x20 /* send packets with minimum MTU */ 1191 #define IPV6_DONTFRAG 0x21 /* don't fragment packets */ 1192 #define IPV6_SEC_OPT 0x22 /* Used to set IPSEC options */ 1193 #define IPV6_SRC_PREFERENCES 0x23 /* Control socket's src addr select */ 1194 #define IPV6_RECVPATHMTU 0x24 /* receive PMTU info */ 1195 #define IPV6_PATHMTU 0x25 /* get the PMTU */ 1196 #define IPV6_TCLASS 0x26 /* traffic class */ 1197 #define IPV6_V6ONLY 0x27 /* v6 only socket option */ 1198 1199 /* 1200 * enable/disable receipt of both both IPV6_DSTOPTS headers. 1201 */ 1202 #define IPV6_RECVDSTOPTS 0x28 1203 1204 /* 1205 * protocol-independent multicast membership options. 1206 */ 1207 #define MCAST_JOIN_GROUP 0x29 /* join group for all sources */ 1208 #define MCAST_LEAVE_GROUP 0x2a /* leave group */ 1209 #define MCAST_BLOCK_SOURCE 0x2b /* block specified source */ 1210 #define MCAST_UNBLOCK_SOURCE 0x2c /* unblock specified source */ 1211 #define MCAST_JOIN_SOURCE_GROUP 0x2d /* join group for specified source */ 1212 #define MCAST_LEAVE_SOURCE_GROUP 0x2e /* leave source/group pair */ 1213 1214 /* 32Bit field for IPV6_SRC_PREFERENCES */ 1215 #define IPV6_PREFER_SRC_HOME 0x00000001 1216 #define IPV6_PREFER_SRC_COA 0x00000002 1217 #define IPV6_PREFER_SRC_PUBLIC 0x00000004 1218 #define IPV6_PREFER_SRC_TMP 0x00000008 1219 #define IPV6_PREFER_SRC_NONCGA 0x00000010 1220 #define IPV6_PREFER_SRC_CGA 0x00000020 1221 1222 #define IPV6_PREFER_SRC_MIPMASK (IPV6_PREFER_SRC_HOME | IPV6_PREFER_SRC_COA) 1223 #define IPV6_PREFER_SRC_MIPDEFAULT IPV6_PREFER_SRC_HOME 1224 #define IPV6_PREFER_SRC_TMPMASK (IPV6_PREFER_SRC_PUBLIC | IPV6_PREFER_SRC_TMP) 1225 #define IPV6_PREFER_SRC_TMPDEFAULT IPV6_PREFER_SRC_PUBLIC 1226 #define IPV6_PREFER_SRC_CGAMASK (IPV6_PREFER_SRC_NONCGA | IPV6_PREFER_SRC_CGA) 1227 #define IPV6_PREFER_SRC_CGADEFAULT IPV6_PREFER_SRC_NONCGA 1228 1229 #define IPV6_PREFER_SRC_MASK (IPV6_PREFER_SRC_MIPMASK |\ 1230 IPV6_PREFER_SRC_TMPMASK | IPV6_PREFER_SRC_CGAMASK) 1231 1232 #define IPV6_PREFER_SRC_DEFAULT (IPV6_PREFER_SRC_MIPDEFAULT |\ 1233 IPV6_PREFER_SRC_TMPDEFAULT | IPV6_PREFER_SRC_CGADEFAULT) 1234 1235 /* 1236 * SunOS private (potentially not portable) IPV6_ option names 1237 */ 1238 #define IPV6_BOUND_IF 0x41 /* bind to an ifindex */ 1239 #define IPV6_UNSPEC_SRC 0x42 /* source of packets set to */ 1240 /* unspecified (all zeros) */ 1241 #define IPV6_BOUND_PIF 0x43 /* Bind to Physical interface */ 1242 /* No load balancing or failover */ 1243 /* 1244 * IPV6_DONTFAILOVER_IF option is used to indicate that outbound unicast and 1245 * multicast packets go through the specified interface, no load spreading, 1246 * no failover. 1247 * This is a Sun private interface. 1248 */ 1249 #define IPV6_DONTFAILOVER_IF 0x44 1250 1251 /* 1252 * Miscellaneous IPv6 constants. 1253 */ 1254 #define INET_ADDRSTRLEN 16 /* max len IPv4 addr in ascii dotted */ 1255 /* decimal notation. */ 1256 #define INET6_ADDRSTRLEN 46 /* max len of IPv6 addr in ascii */ 1257 /* standard colon-hex notation. */ 1258 #define IPV6_PAD1_OPT 0 /* pad byte in IPv6 extension hdrs */ 1259 1260 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 1261 1262 /* 1263 * Extern declarations for pre-defined global const variables 1264 */ 1265 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 1266 #ifndef _KERNEL 1267 #ifdef __STDC__ 1268 extern const struct in6_addr in6addr_any; 1269 extern const struct in6_addr in6addr_loopback; 1270 #else 1271 extern struct in6_addr in6addr_any; 1272 extern struct in6_addr in6addr_loopback; 1273 #endif 1274 #endif 1275 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 1276 1277 #ifdef __cplusplus 1278 } 1279 #endif 1280 1281 #endif /* _NETINET_IN_H */ 1282