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