1 /* 2 * Copyright 2005 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 /* 178 * Port/socket numbers: network standard functions 179 */ 180 #define IPPORT_ECHO 7 181 #define IPPORT_DISCARD 9 182 #define IPPORT_SYSTAT 11 183 #define IPPORT_DAYTIME 13 184 #define IPPORT_NETSTAT 15 185 #define IPPORT_CHARGEN 19 186 #define IPPORT_FTP 21 187 #define IPPORT_TELNET 23 188 #define IPPORT_SMTP 25 189 #define IPPORT_TIMESERVER 37 190 #define IPPORT_NAMESERVER 42 191 #define IPPORT_WHOIS 43 192 #define IPPORT_MTP 57 193 194 /* 195 * Port/socket numbers: host specific functions 196 */ 197 #define IPPORT_BOOTPS 67 198 #define IPPORT_BOOTPC 68 199 #define IPPORT_TFTP 69 200 #define IPPORT_RJE 77 201 #define IPPORT_FINGER 79 202 #define IPPORT_TTYLINK 87 203 #define IPPORT_SUPDUP 95 204 205 /* 206 * Internet Key Exchange (IKE) ports 207 */ 208 #define IPPORT_IKE 500 209 #define IPPORT_IKE_NATT 4500 210 211 /* 212 * UNIX TCP sockets 213 */ 214 #define IPPORT_EXECSERVER 512 215 #define IPPORT_LOGINSERVER 513 216 #define IPPORT_CMDSERVER 514 217 #define IPPORT_EFSSERVER 520 218 219 /* 220 * UNIX UDP sockets 221 */ 222 #define IPPORT_BIFFUDP 512 223 #define IPPORT_WHOSERVER 513 224 #define IPPORT_ROUTESERVER 520 /* 520+1 also used */ 225 226 /* 227 * Ports < IPPORT_RESERVED are reserved for 228 * privileged processes (e.g. root). 229 * Ports > IPPORT_USERRESERVED are reserved 230 * for servers, not necessarily privileged. 231 */ 232 #define IPPORT_RESERVED 1024 233 #define IPPORT_USERRESERVED 5000 234 235 /* 236 * Link numbers 237 */ 238 #define IMPLINK_IP 155 239 #define IMPLINK_LOWEXPER 156 240 #define IMPLINK_HIGHEXPER 158 241 242 /* 243 * IPv4 Internet address 244 * This definition contains obsolete fields for compatibility 245 * with SunOS 3.x and 4.2bsd. The presence of subnets renders 246 * divisions into fixed fields misleading at best. New code 247 * should use only the s_addr field. 248 */ 249 250 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 251 #define _S_un_b S_un_b 252 #define _S_un_w S_un_w 253 #define _S_addr S_addr 254 #define _S_un S_un 255 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 256 257 struct in_addr { 258 union { 259 struct { uint8_t s_b1, s_b2, s_b3, s_b4; } _S_un_b; 260 struct { uint16_t s_w1, s_w2; } _S_un_w; 261 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 262 uint32_t _S_addr; 263 #else 264 in_addr_t _S_addr; 265 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 266 } _S_un; 267 #define s_addr _S_un._S_addr /* should be used for all code */ 268 #define s_host _S_un._S_un_b.s_b2 /* OBSOLETE: host on imp */ 269 #define s_net _S_un._S_un_b.s_b1 /* OBSOLETE: network */ 270 #define s_imp _S_un._S_un_w.s_w2 /* OBSOLETE: imp */ 271 #define s_impno _S_un._S_un_b.s_b4 /* OBSOLETE: imp # */ 272 #define s_lh _S_un._S_un_b.s_b3 /* OBSOLETE: logical host */ 273 }; 274 275 /* 276 * Definitions of bits in internet address integers. 277 * On subnets, the decomposition of addresses to host and net parts 278 * is done according to subnet mask, not the masks here. 279 */ 280 #define IN_CLASSA(i) (((i) & 0x80000000U) == 0) 281 #define IN_CLASSA_NET 0xff000000U 282 #define IN_CLASSA_NSHIFT 24 283 #define IN_CLASSA_HOST 0x00ffffffU 284 #define IN_CLASSA_MAX 128 285 286 #define IN_CLASSB(i) (((i) & 0xc0000000U) == 0x80000000U) 287 #define IN_CLASSB_NET 0xffff0000U 288 #define IN_CLASSB_NSHIFT 16 289 #define IN_CLASSB_HOST 0x0000ffffU 290 #define IN_CLASSB_MAX 65536 291 292 #define IN_CLASSC(i) (((i) & 0xe0000000U) == 0xc0000000U) 293 #define IN_CLASSC_NET 0xffffff00U 294 #define IN_CLASSC_NSHIFT 8 295 #define IN_CLASSC_HOST 0x000000ffU 296 297 #define IN_CLASSD(i) (((i) & 0xf0000000U) == 0xe0000000U) 298 #define IN_CLASSD_NET 0xf0000000U /* These aren't really */ 299 #define IN_CLASSD_NSHIFT 28 /* net and host fields, but */ 300 #define IN_CLASSD_HOST 0x0fffffffU /* routing needn't know */ 301 #define IN_MULTICAST(i) IN_CLASSD(i) 302 303 #define IN_EXPERIMENTAL(i) (((i) & 0xe0000000U) == 0xe0000000U) 304 #define IN_BADCLASS(i) (((i) & 0xf0000000U) == 0xf0000000U) 305 306 #define INADDR_ANY 0x00000000U 307 #define INADDR_LOOPBACK 0x7F000001U 308 #define INADDR_BROADCAST 0xffffffffU /* must be masked */ 309 #define INADDR_NONE 0xffffffffU 310 311 #define INADDR_UNSPEC_GROUP 0xe0000000U /* 224.0.0.0 */ 312 #define INADDR_ALLHOSTS_GROUP 0xe0000001U /* 224.0.0.1 */ 313 #define INADDR_ALLRTRS_GROUP 0xe0000002U /* 224.0.0.2 */ 314 #define INADDR_ALLRPTS_GROUP 0xe0000016U /* 224.0.0.22, IGMPv3 */ 315 #define INADDR_MAX_LOCAL_GROUP 0xe00000ffU /* 224.0.0.255 */ 316 317 /* Scoped IPv4 prefixes (in host byte-order) */ 318 #define IN_AUTOCONF_NET 0xa9fe0000U /* 169.254/16 */ 319 #define IN_AUTOCONF_MASK 0xffff0000U 320 #define IN_PRIVATE8_NET 0x0a000000U /* 10/8 */ 321 #define IN_PRIVATE8_MASK 0xff000000U 322 #define IN_PRIVATE12_NET 0xac100000U /* 172.16/12 */ 323 #define IN_PRIVATE12_MASK 0xfff00000U 324 #define IN_PRIVATE16_NET 0xc0a80000U /* 192.168/16 */ 325 #define IN_PRIVATE16_MASK 0xffff0000U 326 327 /* Well known 6to4 Relay Router Anycast address defined in RFC 3068 */ 328 #if !defined(_XPG4_2) || !defined(__EXTENSIONS__) 329 #define INADDR_6TO4RRANYCAST 0xc0586301U /* 192.88.99.1 */ 330 #endif /* !defined(_XPG4_2) || !defined(__EXTENSIONS__) */ 331 332 #define IN_LOOPBACKNET 127 /* official! */ 333 334 /* 335 * Define a macro to stuff the loopback address into an Internet address 336 */ 337 #if !defined(_XPG4_2) || !defined(__EXTENSIONS__) 338 #define IN_SET_LOOPBACK_ADDR(a) \ 339 { (a)->sin_addr.s_addr = htonl(INADDR_LOOPBACK); \ 340 (a)->sin_family = AF_INET; } 341 #endif /* !defined(_XPG4_2) || !defined(__EXTENSIONS__) */ 342 343 /* 344 * IPv4 Socket address. 345 */ 346 struct sockaddr_in { 347 sa_family_t sin_family; 348 in_port_t sin_port; 349 struct in_addr sin_addr; 350 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 351 char sin_zero[8]; 352 #else 353 unsigned char sin_zero[8]; 354 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 355 }; 356 357 #if !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) 358 /* 359 * IPv6 socket address. 360 */ 361 struct sockaddr_in6 { 362 sa_family_t sin6_family; 363 in_port_t sin6_port; 364 uint32_t sin6_flowinfo; 365 struct in6_addr sin6_addr; 366 uint32_t sin6_scope_id; /* Depends on scope of sin6_addr */ 367 uint32_t __sin6_src_id; /* Impl. specific - UDP replies */ 368 }; 369 370 /* 371 * Macros for accessing the traffic class and flow label fields from 372 * sin6_flowinfo. 373 * These are designed to be applied to a 32-bit value. 374 */ 375 #ifdef _BIG_ENDIAN 376 377 /* masks */ 378 #define IPV6_FLOWINFO_FLOWLABEL 0x000fffffU 379 #define IPV6_FLOWINFO_TCLASS 0x0ff00000U 380 381 #else /* _BIG_ENDIAN */ 382 383 /* masks */ 384 #define IPV6_FLOWINFO_FLOWLABEL 0xffff0f00U 385 #define IPV6_FLOWINFO_TCLASS 0x0000f00fU 386 387 #endif /* _BIG_ENDIAN */ 388 389 /* 390 * Note: Macros IN6ADDR_ANY_INIT and IN6ADDR_LOOPBACK_INIT are for 391 * use as RHS of Static initializers of "struct in6_addr" (or in6_addr_t) 392 * only. They need to be different for User/Kernel versions because union 393 * component data structure is defined differently (it is identical at 394 * binary representation level). 395 * 396 * const struct in6_addr IN6ADDR_ANY_INIT; 397 * const struct in6_addr IN6ADDR_LOOPBACK_INIT; 398 */ 399 400 401 #ifdef _KERNEL 402 #define IN6ADDR_ANY_INIT { 0, 0, 0, 0 } 403 404 #ifdef _BIG_ENDIAN 405 #define IN6ADDR_LOOPBACK_INIT { 0, 0, 0, 0x00000001U } 406 #else /* _BIG_ENDIAN */ 407 #define IN6ADDR_LOOPBACK_INIT { 0, 0, 0, 0x01000000U } 408 #endif /* _BIG_ENDIAN */ 409 410 #else 411 412 #define IN6ADDR_ANY_INIT { 0, 0, 0, 0, \ 413 0, 0, 0, 0, \ 414 0, 0, 0, 0, \ 415 0, 0, 0, 0 } 416 417 #define IN6ADDR_LOOPBACK_INIT { 0, 0, 0, 0, \ 418 0, 0, 0, 0, \ 419 0, 0, 0, 0, \ 420 0, 0, 0, 0x1U } 421 #endif /* _KERNEL */ 422 423 /* 424 * RFC 2553 specifies the following macros. Their type is defined 425 * as "int" in the RFC but they only have boolean significance 426 * (zero or non-zero). For the purposes of our comment notation, 427 * we assume a hypothetical type "bool" defined as follows to 428 * write the prototypes assumed for macros in our comments better. 429 * 430 * typedef int bool; 431 */ 432 433 /* 434 * IN6 macros used to test for special IPv6 addresses 435 * (Mostly from spec) 436 * 437 * bool IN6_IS_ADDR_UNSPECIFIED (const struct in6_addr *); 438 * bool IN6_IS_ADDR_LOOPBACK (const struct in6_addr *); 439 * bool IN6_IS_ADDR_MULTICAST (const struct in6_addr *); 440 * bool IN6_IS_ADDR_LINKLOCAL (const struct in6_addr *); 441 * bool IN6_IS_ADDR_SITELOCAL (const struct in6_addr *); 442 * bool IN6_IS_ADDR_V4MAPPED (const struct in6_addr *); 443 * bool IN6_IS_ADDR_V4MAPPED_ANY(const struct in6_addr *); -- Not from RFC2553 444 * bool IN6_IS_ADDR_V4COMPAT (const struct in6_addr *); 445 * bool IN6_IS_ADDR_MC_RESERVED (const struct in6_addr *); -- Not from RFC2553 446 * bool IN6_IS_ADDR_MC_NODELOCAL(const struct in6_addr *); 447 * bool IN6_IS_ADDR_MC_LINKLOCAL(const struct in6_addr *); 448 * bool IN6_IS_ADDR_MC_SITELOCAL(const struct in6_addr *); 449 * bool IN6_IS_ADDR_MC_ORGLOCAL (const struct in6_addr *); 450 * bool IN6_IS_ADDR_MC_GLOBAL (const struct in6_addr *); 451 * bool IN6_IS_ADDR_6TO4 (const struct in6_addr *); -- Not from RFC2553 452 * bool IN6_ARE_6TO4_PREFIX_EQUAL(const struct in6_addr *, 453 * const struct in6_addr *); -- Not from RFC2553 454 * bool IN6_IS_ADDR_LINKSCOPE (const struct in6addr *); -- Not from RFC2553 455 */ 456 457 #define IN6_IS_ADDR_UNSPECIFIED(addr) \ 458 (((addr)->_S6_un._S6_u32[3] == 0) && \ 459 ((addr)->_S6_un._S6_u32[2] == 0) && \ 460 ((addr)->_S6_un._S6_u32[1] == 0) && \ 461 ((addr)->_S6_un._S6_u32[0] == 0)) 462 463 #ifdef _BIG_ENDIAN 464 #define IN6_IS_ADDR_LOOPBACK(addr) \ 465 (((addr)->_S6_un._S6_u32[3] == 0x00000001) && \ 466 ((addr)->_S6_un._S6_u32[2] == 0) && \ 467 ((addr)->_S6_un._S6_u32[1] == 0) && \ 468 ((addr)->_S6_un._S6_u32[0] == 0)) 469 #else /* _BIG_ENDIAN */ 470 #define IN6_IS_ADDR_LOOPBACK(addr) \ 471 (((addr)->_S6_un._S6_u32[3] == 0x01000000) && \ 472 ((addr)->_S6_un._S6_u32[2] == 0) && \ 473 ((addr)->_S6_un._S6_u32[1] == 0) && \ 474 ((addr)->_S6_un._S6_u32[0] == 0)) 475 #endif /* _BIG_ENDIAN */ 476 477 #ifdef _BIG_ENDIAN 478 #define IN6_IS_ADDR_MULTICAST(addr) \ 479 (((addr)->_S6_un._S6_u32[0] & 0xff000000) == 0xff000000) 480 #else /* _BIG_ENDIAN */ 481 #define IN6_IS_ADDR_MULTICAST(addr) \ 482 (((addr)->_S6_un._S6_u32[0] & 0x000000ff) == 0x000000ff) 483 #endif /* _BIG_ENDIAN */ 484 485 #ifdef _BIG_ENDIAN 486 #define IN6_IS_ADDR_LINKLOCAL(addr) \ 487 (((addr)->_S6_un._S6_u32[0] & 0xffc00000) == 0xfe800000) 488 #else /* _BIG_ENDIAN */ 489 #define IN6_IS_ADDR_LINKLOCAL(addr) \ 490 (((addr)->_S6_un._S6_u32[0] & 0x0000c0ff) == 0x000080fe) 491 #endif /* _BIG_ENDIAN */ 492 493 #ifdef _BIG_ENDIAN 494 #define IN6_IS_ADDR_SITELOCAL(addr) \ 495 (((addr)->_S6_un._S6_u32[0] & 0xffc00000) == 0xfec00000) 496 #else /* _BIG_ENDIAN */ 497 #define IN6_IS_ADDR_SITELOCAL(addr) \ 498 (((addr)->_S6_un._S6_u32[0] & 0x0000c0ff) == 0x0000c0fe) 499 #endif /* _BIG_ENDIAN */ 500 501 #ifdef _BIG_ENDIAN 502 #define IN6_IS_ADDR_V4MAPPED(addr) \ 503 (((addr)->_S6_un._S6_u32[2] == 0x0000ffff) && \ 504 ((addr)->_S6_un._S6_u32[1] == 0) && \ 505 ((addr)->_S6_un._S6_u32[0] == 0)) 506 #else /* _BIG_ENDIAN */ 507 #define IN6_IS_ADDR_V4MAPPED(addr) \ 508 (((addr)->_S6_un._S6_u32[2] == 0xffff0000U) && \ 509 ((addr)->_S6_un._S6_u32[1] == 0) && \ 510 ((addr)->_S6_un._S6_u32[0] == 0)) 511 #endif /* _BIG_ENDIAN */ 512 513 /* 514 * IN6_IS_ADDR_V4MAPPED - A IPv4 mapped INADDR_ANY 515 * Note: This macro is currently NOT defined in RFC2553 specification 516 * and not a standard macro that portable applications should use. 517 */ 518 #ifdef _BIG_ENDIAN 519 #define IN6_IS_ADDR_V4MAPPED_ANY(addr) \ 520 (((addr)->_S6_un._S6_u32[3] == 0) && \ 521 ((addr)->_S6_un._S6_u32[2] == 0x0000ffff) && \ 522 ((addr)->_S6_un._S6_u32[1] == 0) && \ 523 ((addr)->_S6_un._S6_u32[0] == 0)) 524 #else /* _BIG_ENDIAN */ 525 #define IN6_IS_ADDR_V4MAPPED_ANY(addr) \ 526 (((addr)->_S6_un._S6_u32[3] == 0) && \ 527 ((addr)->_S6_un._S6_u32[2] == 0xffff0000U) && \ 528 ((addr)->_S6_un._S6_u32[1] == 0) && \ 529 ((addr)->_S6_un._S6_u32[0] == 0)) 530 #endif /* _BIG_ENDIAN */ 531 532 /* Exclude loopback and unspecified address */ 533 #ifdef _BIG_ENDIAN 534 #define IN6_IS_ADDR_V4COMPAT(addr) \ 535 (((addr)->_S6_un._S6_u32[2] == 0) && \ 536 ((addr)->_S6_un._S6_u32[1] == 0) && \ 537 ((addr)->_S6_un._S6_u32[0] == 0) && \ 538 !((addr)->_S6_un._S6_u32[3] == 0) && \ 539 !((addr)->_S6_un._S6_u32[3] == 0x00000001)) 540 541 #else /* _BIG_ENDIAN */ 542 #define IN6_IS_ADDR_V4COMPAT(addr) \ 543 (((addr)->_S6_un._S6_u32[2] == 0) && \ 544 ((addr)->_S6_un._S6_u32[1] == 0) && \ 545 ((addr)->_S6_un._S6_u32[0] == 0) && \ 546 !((addr)->_S6_un._S6_u32[3] == 0) && \ 547 !((addr)->_S6_un._S6_u32[3] == 0x01000000)) 548 #endif /* _BIG_ENDIAN */ 549 550 /* 551 * Note: 552 * IN6_IS_ADDR_MC_RESERVED macro is currently NOT defined in RFC2553 553 * specification and not a standard macro that portable applications 554 * should use. 555 */ 556 #ifdef _BIG_ENDIAN 557 #define IN6_IS_ADDR_MC_RESERVED(addr) \ 558 (((addr)->_S6_un._S6_u32[0] & 0xff0f0000) == 0xff000000) 559 560 #else /* _BIG_ENDIAN */ 561 #define IN6_IS_ADDR_MC_RESERVED(addr) \ 562 (((addr)->_S6_un._S6_u32[0] & 0x00000fff) == 0x000000ff) 563 #endif /* _BIG_ENDIAN */ 564 565 #ifdef _BIG_ENDIAN 566 #define IN6_IS_ADDR_MC_NODELOCAL(addr) \ 567 (((addr)->_S6_un._S6_u32[0] & 0xff0f0000) == 0xff010000) 568 #else /* _BIG_ENDIAN */ 569 #define IN6_IS_ADDR_MC_NODELOCAL(addr) \ 570 (((addr)->_S6_un._S6_u32[0] & 0x00000fff) == 0x000001ff) 571 #endif /* _BIG_ENDIAN */ 572 573 #ifdef _BIG_ENDIAN 574 #define IN6_IS_ADDR_MC_LINKLOCAL(addr) \ 575 (((addr)->_S6_un._S6_u32[0] & 0xff0f0000) == 0xff020000) 576 #else /* _BIG_ENDIAN */ 577 #define IN6_IS_ADDR_MC_LINKLOCAL(addr) \ 578 (((addr)->_S6_un._S6_u32[0] & 0x00000fff) == 0x000002ff) 579 #endif /* _BIG_ENDIAN */ 580 581 #ifdef _BIG_ENDIAN 582 #define IN6_IS_ADDR_MC_SITELOCAL(addr) \ 583 (((addr)->_S6_un._S6_u32[0] & 0xff0f0000) == 0xff050000) 584 #else /* _BIG_ENDIAN */ 585 #define IN6_IS_ADDR_MC_SITELOCAL(addr) \ 586 (((addr)->_S6_un._S6_u32[0] & 0x00000fff) == 0x000005ff) 587 #endif /* _BIG_ENDIAN */ 588 589 #ifdef _BIG_ENDIAN 590 #define IN6_IS_ADDR_MC_ORGLOCAL(addr) \ 591 (((addr)->_S6_un._S6_u32[0] & 0xff0f0000) == 0xff080000) 592 #else /* _BIG_ENDIAN */ 593 #define IN6_IS_ADDR_MC_ORGLOCAL(addr) \ 594 (((addr)->_S6_un._S6_u32[0] & 0x00000fff) == 0x000008ff) 595 #endif /* _BIG_ENDIAN */ 596 597 #ifdef _BIG_ENDIAN 598 #define IN6_IS_ADDR_MC_GLOBAL(addr) \ 599 (((addr)->_S6_un._S6_u32[0] & 0xff0f0000) == 0xff0e0000) 600 #else /* _BIG_ENDIAN */ 601 #define IN6_IS_ADDR_MC_GLOBAL(addr) \ 602 (((addr)->_S6_un._S6_u32[0] & 0x00000fff) == 0x00000eff) 603 #endif /* _BIG_ENDIAN */ 604 605 /* 606 * Macros to a) test for 6to4 IPv6 address, and b) to test if two 607 * 6to4 addresses have the same /48 prefix, and, hence, are from the 608 * same 6to4 site. 609 */ 610 611 #ifdef _BIG_ENDIAN 612 #define IN6_IS_ADDR_6TO4(addr) \ 613 (((addr)->_S6_un._S6_u32[0] & 0xffff0000) == 0x20020000) 614 #else /* _BIG_ENDIAN */ 615 #define IN6_IS_ADDR_6TO4(addr) \ 616 (((addr)->_S6_un._S6_u32[0] & 0x0000ffff) == 0x00000220) 617 #endif /* _BIG_ENDIAN */ 618 619 #define IN6_ARE_6TO4_PREFIX_EQUAL(addr1, addr2) \ 620 (((addr1)->_S6_un._S6_u32[0] == (addr2)->_S6_un._S6_u32[0]) && \ 621 ((addr1)->_S6_un._S6_u8[4] == (addr2)->_S6_un._S6_u8[4]) && \ 622 ((addr1)->_S6_un._S6_u8[5] == (addr2)->_S6_un._S6_u8[5])) 623 624 /* 625 * IN6_IS_ADDR_LINKSCOPE 626 * Identifies an address as being either link-local, link-local multicast or 627 * node-local multicast. All types of addresses are considered to be unique 628 * within the scope of a given link. 629 */ 630 #define IN6_IS_ADDR_LINKSCOPE(addr) \ 631 (IN6_IS_ADDR_LINKLOCAL(addr) || IN6_IS_ADDR_MC_LINKLOCAL(addr) || \ 632 IN6_IS_ADDR_MC_NODELOCAL(addr)) 633 634 /* 635 * Useful utility macros for operations with IPv6 addresses 636 * Note: These macros are NOT defined in the RFC2553 or any other 637 * standard specification and are not standard macros that portable 638 * applications should use. 639 */ 640 641 /* 642 * IN6_V4MAPPED_TO_INADDR 643 * IN6_V4MAPPED_TO_IPADDR 644 * Assign a IPv4-Mapped IPv6 address to an IPv4 address. 645 * Note: These macros are NOT defined in RFC2553 or any other standard 646 * specification and are not macros that portable applications should 647 * use. 648 * 649 * void IN6_V4MAPPED_TO_INADDR(const in6_addr_t *v6, struct in_addr *v4); 650 * void IN6_V4MAPPED_TO_IPADDR(const in6_addr_t *v6, ipaddr_t v4); 651 * 652 */ 653 #define IN6_V4MAPPED_TO_INADDR(v6, v4) \ 654 ((v4)->s_addr = (v6)->_S6_un._S6_u32[3]) 655 #define IN6_V4MAPPED_TO_IPADDR(v6, v4) \ 656 ((v4) = (v6)->_S6_un._S6_u32[3]) 657 658 /* 659 * IN6_INADDR_TO_V4MAPPED 660 * IN6_IPADDR_TO_V4MAPPED 661 * Assign a IPv4 address address to an IPv6 address as a IPv4-mapped 662 * address. 663 * Note: These macros are NOT defined in RFC2553 or any other standard 664 * specification and are not macros that portable applications should 665 * use. 666 * 667 * void IN6_INADDR_TO_V4MAPPED(const struct in_addr *v4, in6_addr_t *v6); 668 * void IN6_IPADDR_TO_V4MAPPED(const ipaddr_t v4, in6_addr_t *v6); 669 * 670 */ 671 #ifdef _BIG_ENDIAN 672 #define IN6_INADDR_TO_V4MAPPED(v4, v6) \ 673 ((v6)->_S6_un._S6_u32[3] = (v4)->s_addr, \ 674 (v6)->_S6_un._S6_u32[2] = 0x0000ffff, \ 675 (v6)->_S6_un._S6_u32[1] = 0, \ 676 (v6)->_S6_un._S6_u32[0] = 0) 677 #define IN6_IPADDR_TO_V4MAPPED(v4, v6) \ 678 ((v6)->_S6_un._S6_u32[3] = (v4), \ 679 (v6)->_S6_un._S6_u32[2] = 0x0000ffff, \ 680 (v6)->_S6_un._S6_u32[1] = 0, \ 681 (v6)->_S6_un._S6_u32[0] = 0) 682 #else /* _BIG_ENDIAN */ 683 #define IN6_INADDR_TO_V4MAPPED(v4, v6) \ 684 ((v6)->_S6_un._S6_u32[3] = (v4)->s_addr, \ 685 (v6)->_S6_un._S6_u32[2] = 0xffff0000U, \ 686 (v6)->_S6_un._S6_u32[1] = 0, \ 687 (v6)->_S6_un._S6_u32[0] = 0) 688 #define IN6_IPADDR_TO_V4MAPPED(v4, v6) \ 689 ((v6)->_S6_un._S6_u32[3] = (v4), \ 690 (v6)->_S6_un._S6_u32[2] = 0xffff0000U, \ 691 (v6)->_S6_un._S6_u32[1] = 0, \ 692 (v6)->_S6_un._S6_u32[0] = 0) 693 #endif /* _BIG_ENDIAN */ 694 695 /* 696 * IN6_6TO4_TO_V4ADDR 697 * Extract the embedded IPv4 address from the prefix to a 6to4 IPv6 698 * address. 699 * Note: This macro is NOT defined in RFC2553 or any other standard 700 * specification and is not a macro that portable applications should 701 * use. 702 * Note: we don't use the IPADDR form of the macro because we need 703 * to do a bytewise copy; the V4ADDR in the 6to4 address is not 704 * 32-bit aligned. 705 * 706 * void IN6_6TO4_TO_V4ADDR(const in6_addr_t *v6, struct in_addr *v4); 707 * 708 */ 709 #define IN6_6TO4_TO_V4ADDR(v6, v4) \ 710 ((v4)->_S_un._S_un_b.s_b1 = (v6)->_S6_un._S6_u8[2], \ 711 (v4)->_S_un._S_un_b.s_b2 = (v6)->_S6_un._S6_u8[3], \ 712 (v4)->_S_un._S_un_b.s_b3 = (v6)->_S6_un._S6_u8[4], \ 713 (v4)->_S_un._S_un_b.s_b4 = (v6)->_S6_un._S6_u8[5]) 714 715 /* 716 * IN6_V4ADDR_TO_6TO4 717 * Given an IPv4 address and an IPv6 address for output, a 6to4 address 718 * will be created from the IPv4 Address. 719 * Note: This method for creating 6to4 addresses is not standardized 720 * outside of Solaris. The newly created 6to4 address will be of the form 721 * 2002:<V4ADDR>:<SUBNETID>::<HOSTID>, where SUBNETID will equal 0 and 722 * HOSTID will equal 1. 723 * 724 * void IN6_V4ADDR_TO_6TO4(const struct in_addr *v4, in6_addr_t *v6) 725 * 726 */ 727 #ifdef _BIG_ENDIAN 728 #define IN6_V4ADDR_TO_6TO4(v4, v6) \ 729 ((v6)->_S6_un._S6_u8[0] = 0x20, \ 730 (v6)->_S6_un._S6_u8[1] = 0x02, \ 731 (v6)->_S6_un._S6_u8[2] = (v4)->_S_un._S_un_b.s_b1, \ 732 (v6)->_S6_un._S6_u8[3] = (v4)->_S_un._S_un_b.s_b2, \ 733 (v6)->_S6_un._S6_u8[4] = (v4)->_S_un._S_un_b.s_b3, \ 734 (v6)->_S6_un._S6_u8[5] = (v4)->_S_un._S_un_b.s_b4, \ 735 (v6)->_S6_un._S6_u8[6] = 0, \ 736 (v6)->_S6_un._S6_u8[7] = 0, \ 737 (v6)->_S6_un._S6_u32[2] = 0, \ 738 (v6)->_S6_un._S6_u32[3] = 0x00000001U) 739 #else 740 #define IN6_V4ADDR_TO_6TO4(v4, v6) \ 741 ((v6)->_S6_un._S6_u8[0] = 0x20, \ 742 (v6)->_S6_un._S6_u8[1] = 0x02, \ 743 (v6)->_S6_un._S6_u8[2] = (v4)->_S_un._S_un_b.s_b1, \ 744 (v6)->_S6_un._S6_u8[3] = (v4)->_S_un._S_un_b.s_b2, \ 745 (v6)->_S6_un._S6_u8[4] = (v4)->_S_un._S_un_b.s_b3, \ 746 (v6)->_S6_un._S6_u8[5] = (v4)->_S_un._S_un_b.s_b4, \ 747 (v6)->_S6_un._S6_u8[6] = 0, \ 748 (v6)->_S6_un._S6_u8[7] = 0, \ 749 (v6)->_S6_un._S6_u32[2] = 0, \ 750 (v6)->_S6_un._S6_u32[3] = 0x01000000U) 751 #endif /* _BIG_ENDIAN */ 752 753 /* 754 * IN6_ARE_ADDR_EQUAL (defined in RFC2292) 755 * Compares if IPv6 addresses are equal. 756 * Note: Compares in order of high likelyhood of a miss so we minimize 757 * compares. (Current heuristic order, compare in reverse order of 758 * uint32_t units) 759 * 760 * bool IN6_ARE_ADDR_EQUAL(const struct in6_addr *, 761 * const struct in6_addr *); 762 */ 763 #define IN6_ARE_ADDR_EQUAL(addr1, addr2) \ 764 (((addr1)->_S6_un._S6_u32[3] == (addr2)->_S6_un._S6_u32[3]) && \ 765 ((addr1)->_S6_un._S6_u32[2] == (addr2)->_S6_un._S6_u32[2]) && \ 766 ((addr1)->_S6_un._S6_u32[1] == (addr2)->_S6_un._S6_u32[1]) && \ 767 ((addr1)->_S6_un._S6_u32[0] == (addr2)->_S6_un._S6_u32[0])) 768 769 #endif /* !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) */ 770 771 772 /* 773 * Options for use with [gs]etsockopt at the IP level. 774 * 775 * Note: Some of the IP_ namespace has conflict with and 776 * and is exposed through <xti.h>. (It also requires exposing 777 * options not implemented). The options with potential 778 * for conflicts use #ifndef guards. 779 */ 780 #ifndef IP_OPTIONS 781 #define IP_OPTIONS 1 /* set/get IP per-packet options */ 782 #endif 783 784 #define IP_HDRINCL 2 /* int; header is included with data (raw) */ 785 786 #ifndef IP_TOS 787 #define IP_TOS 3 /* int; IP type of service and precedence */ 788 #endif 789 790 #ifndef IP_TTL 791 #define IP_TTL 4 /* int; IP time to live */ 792 #endif 793 794 #define IP_RECVOPTS 0x5 /* int; receive all IP options w/datagram */ 795 #define IP_RECVRETOPTS 0x6 /* int; receive IP options for response */ 796 #define IP_RECVDSTADDR 0x7 /* int; receive IP dst addr w/datagram */ 797 #define IP_RETOPTS 0x8 /* ip_opts; set/get IP per-packet options */ 798 #define IP_RECVIF 0x9 /* int; receive the inbound interface index */ 799 #define IP_RECVSLLA 0xa /* sockaddr_dl; get source link layer address */ 800 #define IP_RECVTTL 0xb /* uint8_t; get TTL for inbound packet */ 801 802 #define IP_MULTICAST_IF 0x10 /* set/get IP multicast interface */ 803 #define IP_MULTICAST_TTL 0x11 /* set/get IP multicast timetolive */ 804 #define IP_MULTICAST_LOOP 0x12 /* set/get IP multicast loopback */ 805 #define IP_ADD_MEMBERSHIP 0x13 /* add an IP group membership */ 806 #define IP_DROP_MEMBERSHIP 0x14 /* drop an IP group membership */ 807 #define IP_BLOCK_SOURCE 0x15 /* block mcast pkts from source */ 808 #define IP_UNBLOCK_SOURCE 0x16 /* unblock mcast pkts from source */ 809 #define IP_ADD_SOURCE_MEMBERSHIP 0x17 /* add mcast group/source pair */ 810 #define IP_DROP_SOURCE_MEMBERSHIP 0x18 /* drop mcast gruop/source pair */ 811 812 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 813 /* 814 * Different preferences that can be requested from IPSEC protocols. 815 */ 816 #define IP_SEC_OPT 0x22 /* Used to set IPSEC options */ 817 #define IPSEC_PREF_NEVER 0x01 818 #define IPSEC_PREF_REQUIRED 0x02 819 #define IPSEC_PREF_UNIQUE 0x04 820 /* 821 * This can be used with the setsockopt() call to set per socket security 822 * options. When the application uses per-socket API, we will reflect 823 * the request on both outbound and inbound packets. 824 */ 825 826 typedef struct ipsec_req { 827 uint_t ipsr_ah_req; /* AH request */ 828 uint_t ipsr_esp_req; /* ESP request */ 829 uint_t ipsr_self_encap_req; /* Self-Encap request */ 830 uint8_t ipsr_auth_alg; /* Auth algs for AH */ 831 uint8_t ipsr_esp_alg; /* Encr algs for ESP */ 832 uint8_t ipsr_esp_auth_alg; /* Auth algs for ESP */ 833 } ipsec_req_t; 834 835 /* 836 * MCAST_* options are protocol-independent. The actual definitions 837 * are with the v6 options below; this comment is here to note the 838 * namespace usage. 839 * 840 * #define MCAST_JOIN_GROUP 0x29 841 * #define MCAST_LEAVE_GROUP 0x2a 842 * #define MCAST_BLOCK_SOURCE 0x2b 843 * #define MCAST_UNBLOCK_SOURCE 0x2c 844 * #define MCAST_JOIN_SOURCE_GROUP 0x2d 845 * #define MCAST_LEAVE_SOURCE_GROUP 0x2e 846 */ 847 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 848 849 /* 850 * SunOS private (potentially not portable) IP_ option names 851 */ 852 #define IP_BOUND_IF 0x41 /* bind socket to an ifindex */ 853 #define IP_UNSPEC_SRC 0x42 /* use unspecified source address */ 854 /* 855 * IP_XMIT_IF is used to send unicast/multicast packets through the specified 856 * interface without looking at the routing table entries. 857 * This is a Sun private interface. 858 */ 859 #define IP_XMIT_IF 0x43 /* use specified outgoing interface */ 860 /* 861 * IP_DONTFAILOVER_IF option is used to indicate that outbound unicast and 862 * multicast packets go through the specified interface, no load spreading, 863 * no failover. 864 * This is a Sun private interface. 865 */ 866 #define IP_DONTFAILOVER_IF 0x44 867 868 /* 869 * Option values and names (when !_XPG5) shared with <xti_inet.h> 870 */ 871 #ifndef IP_REUSEADDR 872 #define IP_REUSEADDR 0x104 873 #endif 874 875 #ifndef IP_DONTROUTE 876 #define IP_DONTROUTE 0x105 877 #endif 878 879 #ifndef IP_BROADCAST 880 #define IP_BROADCAST 0x106 881 #endif 882 883 /* 884 * The following option values are reserved by <xti_inet.h> 885 * 886 * T_IP_OPTIONS 0x107 - IP per-packet options 887 * T_IP_TOS 0x108 - IP per packet type of service 888 */ 889 890 /* 891 * Default value constants for multicast attributes controlled by 892 * IP*_MULTICAST_LOOP and IP*_MULTICAST_{TTL,HOPS} options. 893 */ 894 #define IP_DEFAULT_MULTICAST_TTL 1 /* normally limit m'casts to 1 hop */ 895 #define IP_DEFAULT_MULTICAST_LOOP 1 /* normally hear sends if a member */ 896 897 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 898 /* 899 * Argument structure for IP_ADD_MEMBERSHIP and IP_DROP_MEMBERSHIP. 900 */ 901 struct ip_mreq { 902 struct in_addr imr_multiaddr; /* IP multicast address of group */ 903 struct in_addr imr_interface; /* local IP address of interface */ 904 }; 905 906 /* 907 * Argument structure for IP_BLOCK_SOURCE, IP_UNBLOCK_SOURCE, 908 * IP_ADD_SOURCE_MEMBERSHIP, and IP_DROP_SOURCE_MEMBERSHIP. 909 */ 910 struct ip_mreq_source { 911 struct in_addr imr_multiaddr; /* IP address of group */ 912 struct in_addr imr_sourceaddr; /* IP address of source */ 913 struct in_addr imr_interface; /* IP address of interface */ 914 }; 915 916 /* 917 * Argument structure for IPV6_JOIN_GROUP and IPV6_LEAVE_GROUP on 918 * IPv6 addresses. 919 */ 920 struct ipv6_mreq { 921 struct in6_addr ipv6mr_multiaddr; /* IPv6 multicast addr */ 922 unsigned int ipv6mr_interface; /* interface index */ 923 }; 924 925 /* 926 * Use #pragma pack() construct to force 32-bit alignment on amd64. 927 * This is needed to keep the structure size and offsets consistent 928 * between a 32-bit app and the 64-bit amd64 kernel in structures 929 * where 64-bit alignment would create gaps (in this case, structures 930 * which have a uint32_t followed by a struct sockaddr_storage). 931 */ 932 #if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4 933 #pragma pack(4) 934 #endif 935 936 /* 937 * Argument structure for MCAST_JOIN_GROUP and MCAST_LEAVE_GROUP. 938 */ 939 struct group_req { 940 uint32_t gr_interface; /* interface index */ 941 struct sockaddr_storage gr_group; /* group address */ 942 }; 943 944 /* 945 * Argument structure for MCAST_BLOCK_SOURCE, MCAST_UNBLOCK_SOURCE, 946 * MCAST_JOIN_SOURCE_GROUP, MCAST_LEAVE_SOURCE_GROUP. 947 */ 948 struct group_source_req { 949 uint32_t gsr_interface; /* interface index */ 950 struct sockaddr_storage gsr_group; /* group address */ 951 struct sockaddr_storage gsr_source; /* source address */ 952 }; 953 954 /* 955 * Argument for SIOC[GS]MSFILTER ioctls 956 */ 957 struct group_filter { 958 uint32_t gf_interface; /* interface index */ 959 struct sockaddr_storage gf_group; /* multicast address */ 960 uint32_t gf_fmode; /* filter mode */ 961 uint32_t gf_numsrc; /* number of sources */ 962 struct sockaddr_storage gf_slist[1]; /* source address */ 963 }; 964 965 #if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4 966 #pragma pack() 967 #endif 968 969 #define GROUP_FILTER_SIZE(numsrc) \ 970 (sizeof (struct group_filter) - sizeof (struct sockaddr_storage) \ 971 + (numsrc) * sizeof (struct sockaddr_storage)) 972 973 /* 974 * Argument for SIOC[GS]IPMSFILTER ioctls (IPv4-specific) 975 */ 976 struct ip_msfilter { 977 struct in_addr imsf_multiaddr; /* IP multicast address of group */ 978 struct in_addr imsf_interface; /* local IP address of interface */ 979 uint32_t imsf_fmode; /* filter mode */ 980 uint32_t imsf_numsrc; /* number of sources in src_list */ 981 struct in_addr imsf_slist[1]; /* start of source list */ 982 }; 983 984 #define IP_MSFILTER_SIZE(numsrc) \ 985 (sizeof (struct ip_msfilter) - sizeof (struct in_addr) \ 986 + (numsrc) * sizeof (struct in_addr)) 987 988 /* 989 * Multicast source filter manipulation functions in libsocket; 990 * defined in RFC 3678. 991 */ 992 int setsourcefilter(int, uint32_t, struct sockaddr *, socklen_t, uint32_t, 993 uint_t, struct sockaddr_storage *); 994 995 int getsourcefilter(int, uint32_t, struct sockaddr *, socklen_t, uint32_t *, 996 uint_t *, struct sockaddr_storage *); 997 998 int setipv4sourcefilter(int, struct in_addr, struct in_addr, uint32_t, 999 uint32_t, struct in_addr *); 1000 1001 int getipv4sourcefilter(int, struct in_addr, struct in_addr, uint32_t *, 1002 uint32_t *, struct in_addr *); 1003 1004 /* 1005 * Definitions needed for [gs]etsourcefilter(), [gs]etipv4sourcefilter() 1006 */ 1007 #define MCAST_INCLUDE 1 1008 #define MCAST_EXCLUDE 2 1009 1010 /* 1011 * Argument struct for IPV6_PKTINFO option 1012 */ 1013 struct in6_pktinfo { 1014 struct in6_addr ipi6_addr; /* src/dst IPv6 address */ 1015 unsigned int ipi6_ifindex; /* send/recv interface index */ 1016 }; 1017 1018 /* 1019 * Argument struct for IPV6_MTUINFO option 1020 */ 1021 struct ip6_mtuinfo { 1022 struct sockaddr_in6 ip6m_addr; /* dst address including zone ID */ 1023 uint32_t ip6m_mtu; /* path MTU in host byte order */ 1024 }; 1025 1026 /* 1027 * IPv6 routing header types 1028 */ 1029 #define IPV6_RTHDR_TYPE_0 0 1030 1031 extern socklen_t inet6_rth_space(int type, int segments); 1032 extern void *inet6_rth_init(void *bp, socklen_t bp_len, int type, int segments); 1033 extern int inet6_rth_add(void *bp, const struct in6_addr *addr); 1034 extern int inet6_rth_reverse(const void *in, void *out); 1035 extern int inet6_rth_segments(const void *bp); 1036 extern struct in6_addr *inet6_rth_getaddr(const void *bp, int index); 1037 1038 extern int inet6_opt_init(void *extbuf, socklen_t extlen); 1039 extern int inet6_opt_append(void *extbuf, socklen_t extlen, int offset, 1040 uint8_t type, socklen_t len, uint_t align, void **databufp); 1041 extern int inet6_opt_finish(void *extbuf, socklen_t extlen, int offset); 1042 extern int inet6_opt_set_val(void *databuf, int offset, void *val, 1043 socklen_t vallen); 1044 extern int inet6_opt_next(void *extbuf, socklen_t extlen, int offset, 1045 uint8_t *typep, socklen_t *lenp, void **databufp); 1046 extern int inet6_opt_find(void *extbufp, socklen_t extlen, int offset, 1047 uint8_t type, socklen_t *lenp, void **databufp); 1048 extern int inet6_opt_get_val(void *databuf, int offset, void *val, 1049 socklen_t vallen); 1050 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 1051 1052 /* 1053 * Argument structure for IP_ADD_PROXY_ADDR. 1054 * Note that this is an unstable, experimental interface. It may change 1055 * later. Don't use it unless you know what it is. 1056 */ 1057 typedef struct { 1058 struct in_addr in_prefix_addr; 1059 unsigned int in_prefix_len; 1060 } in_prefix_t; 1061 1062 1063 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 1064 /* 1065 * IPv6 options 1066 */ 1067 #define IPV6_UNICAST_HOPS 0x5 /* hop limit value for unicast */ 1068 /* packets. */ 1069 /* argument type: uint_t */ 1070 #define IPV6_MULTICAST_IF 0x6 /* outgoing interface for */ 1071 /* multicast packets. */ 1072 /* argument type: struct in6_addr */ 1073 #define IPV6_MULTICAST_HOPS 0x7 /* hop limit value to use for */ 1074 /* multicast packets. */ 1075 /* argument type: uint_t */ 1076 #define IPV6_MULTICAST_LOOP 0x8 /* enable/disable delivery of */ 1077 /* multicast packets on same socket. */ 1078 /* argument type: uint_t */ 1079 #define IPV6_JOIN_GROUP 0x9 /* join an IPv6 multicast group. */ 1080 /* argument type: struct ipv6_mreq */ 1081 #define IPV6_LEAVE_GROUP 0xa /* leave an IPv6 multicast group */ 1082 /* argument type: struct ipv6_mreq */ 1083 /* 1084 * IPV6_ADD_MEMBERSHIP and IPV6_DROP_MEMBERSHIP are being kept 1085 * for backward compatibility. They have the same meaning as IPV6_JOIN_GROUP 1086 * and IPV6_LEAVE_GROUP respectively. 1087 */ 1088 #define IPV6_ADD_MEMBERSHIP 0x9 /* join an IPv6 multicast group. */ 1089 /* argument type: struct ipv6_mreq */ 1090 #define IPV6_DROP_MEMBERSHIP 0xa /* leave an IPv6 multicast group */ 1091 /* argument type: struct ipv6_mreq */ 1092 1093 #define IPV6_PKTINFO 0xb /* addr plus interface index */ 1094 /* arg type: "struct in6_pktingo" - */ 1095 #define IPV6_HOPLIMIT 0xc /* hoplimit for datagram */ 1096 #define IPV6_NEXTHOP 0xd /* next hop address */ 1097 #define IPV6_HOPOPTS 0xe /* hop by hop options */ 1098 #define IPV6_DSTOPTS 0xf /* destination options - after */ 1099 /* the routing header */ 1100 #define IPV6_RTHDR 0x10 /* routing header */ 1101 #define IPV6_RTHDRDSTOPTS 0x11 /* destination options - before */ 1102 /* the routing header */ 1103 #define IPV6_RECVPKTINFO 0x12 /* enable/disable IPV6_PKTINFO */ 1104 #define IPV6_RECVHOPLIMIT 0x13 /* enable/disable IPV6_HOPLIMIT */ 1105 #define IPV6_RECVHOPOPTS 0x14 /* enable/disable IPV6_HOPOPTS */ 1106 1107 /* 1108 * This options exists for backwards compatability and should no longer be 1109 * used. Use IPV6_RECVDSTOPTS instead. 1110 */ 1111 #define _OLD_IPV6_RECVDSTOPTS 0x15 1112 1113 #define IPV6_RECVRTHDR 0x16 /* enable/disable IPV6_RTHDR */ 1114 1115 /* 1116 * enable/disable IPV6_RTHDRDSTOPTS. Now obsolete. IPV6_RECVDSTOPTS enables 1117 * the receipt of both headers. 1118 */ 1119 #define IPV6_RECVRTHDRDSTOPTS 0x17 1120 1121 #define IPV6_CHECKSUM 0x18 /* Control checksum on raw sockets */ 1122 #define IPV6_RECVTCLASS 0x19 /* enable/disable IPV6_CLASS */ 1123 #define IPV6_USE_MIN_MTU 0x20 /* send packets with minimum MTU */ 1124 #define IPV6_DONTFRAG 0x21 /* don't fragment packets */ 1125 #define IPV6_SEC_OPT 0x22 /* Used to set IPSEC options */ 1126 #define IPV6_SRC_PREFERENCES 0x23 /* Control socket's src addr select */ 1127 #define IPV6_RECVPATHMTU 0x24 /* receive PMTU info */ 1128 #define IPV6_PATHMTU 0x25 /* get the PMTU */ 1129 #define IPV6_TCLASS 0x26 /* traffic class */ 1130 #define IPV6_V6ONLY 0x27 /* v6 only socket option */ 1131 1132 /* 1133 * enable/disable receipt of both both IPV6_DSTOPTS headers. 1134 */ 1135 #define IPV6_RECVDSTOPTS 0x28 1136 1137 /* 1138 * protocol-independent multicast membership options. 1139 */ 1140 #define MCAST_JOIN_GROUP 0x29 /* join group for all sources */ 1141 #define MCAST_LEAVE_GROUP 0x2a /* leave group */ 1142 #define MCAST_BLOCK_SOURCE 0x2b /* block specified source */ 1143 #define MCAST_UNBLOCK_SOURCE 0x2c /* unblock specified source */ 1144 #define MCAST_JOIN_SOURCE_GROUP 0x2d /* join group for specified source */ 1145 #define MCAST_LEAVE_SOURCE_GROUP 0x2e /* leave source/group pair */ 1146 1147 /* 32Bit field for IPV6_SRC_PREFERENCES */ 1148 #define IPV6_PREFER_SRC_HOME 0x00000001 1149 #define IPV6_PREFER_SRC_COA 0x00000002 1150 #define IPV6_PREFER_SRC_PUBLIC 0x00000004 1151 #define IPV6_PREFER_SRC_TMP 0x00000008 1152 #define IPV6_PREFER_SRC_NONCGA 0x00000010 1153 #define IPV6_PREFER_SRC_CGA 0x00000020 1154 1155 #define IPV6_PREFER_SRC_MIPMASK (IPV6_PREFER_SRC_HOME | IPV6_PREFER_SRC_COA) 1156 #define IPV6_PREFER_SRC_MIPDEFAULT IPV6_PREFER_SRC_HOME 1157 #define IPV6_PREFER_SRC_TMPMASK (IPV6_PREFER_SRC_PUBLIC | IPV6_PREFER_SRC_TMP) 1158 #define IPV6_PREFER_SRC_TMPDEFAULT IPV6_PREFER_SRC_PUBLIC 1159 #define IPV6_PREFER_SRC_CGAMASK (IPV6_PREFER_SRC_NONCGA | IPV6_PREFER_SRC_CGA) 1160 #define IPV6_PREFER_SRC_CGADEFAULT IPV6_PREFER_SRC_NONCGA 1161 1162 #define IPV6_PREFER_SRC_MASK (IPV6_PREFER_SRC_MIPMASK |\ 1163 IPV6_PREFER_SRC_TMPMASK | IPV6_PREFER_SRC_CGAMASK) 1164 1165 #define IPV6_PREFER_SRC_DEFAULT (IPV6_PREFER_SRC_MIPDEFAULT |\ 1166 IPV6_PREFER_SRC_TMPDEFAULT | IPV6_PREFER_SRC_CGADEFAULT) 1167 1168 /* 1169 * SunOS private (potentially not portable) IPV6_ option names 1170 */ 1171 #define IPV6_BOUND_IF 0x41 /* bind to an ifindex */ 1172 #define IPV6_UNSPEC_SRC 0x42 /* source of packets set to */ 1173 /* unspecified (all zeros) */ 1174 #define IPV6_BOUND_PIF 0x43 /* Bind to Physical interface */ 1175 /* No load balancing or failover */ 1176 /* 1177 * IPV6_DONTFAILOVER_IF option is used to indicate that outbound unicast and 1178 * multicast packets go through the specified interface, no load spreading, 1179 * no failover. 1180 * This is a Sun private interface. 1181 */ 1182 #define IPV6_DONTFAILOVER_IF 0x44 1183 1184 /* 1185 * Miscellaneous IPv6 constants. 1186 */ 1187 #define INET_ADDRSTRLEN 16 /* max len IPv4 addr in ascii dotted */ 1188 /* decimal notation. */ 1189 #define INET6_ADDRSTRLEN 46 /* max len of IPv6 addr in ascii */ 1190 /* standard colon-hex notation. */ 1191 #define IPV6_PAD1_OPT 0 /* pad byte in IPv6 extension hdrs */ 1192 1193 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 1194 1195 /* 1196 * Extern declarations for pre-defined global const variables 1197 */ 1198 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 1199 #ifndef _KERNEL 1200 #ifdef __STDC__ 1201 extern const struct in6_addr in6addr_any; 1202 extern const struct in6_addr in6addr_loopback; 1203 #else 1204 extern struct in6_addr in6addr_any; 1205 extern struct in6_addr in6addr_loopback; 1206 #endif 1207 #endif 1208 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 1209 1210 #ifdef __cplusplus 1211 } 1212 #endif 1213 1214 #endif /* _NETINET_IN_H */ 1215