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