1 /* 2 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 3 * Use is subject to license terms. 4 * 5 * Copyright 2011 Nexenta Systems, Inc. All rights reserved. 6 */ 7 /* 8 * Copyright (c) 1982, 1986 Regents of the University of California. 9 * All rights reserved. 10 * 11 * Redistribution and use in source and binary forms are permitted 12 * provided that this notice is preserved and that due credit is given 13 * to the University of California at Berkeley. The name of the University 14 * may not be used to endorse or promote products derived from this 15 * software without specific prior written permission. This software 16 * is provided ``as is'' without express or implied warranty. 17 */ 18 19 /* 20 * Constants and structures defined by the internet system, 21 * according to following documents 22 * 23 * Internet ASSIGNED NUMBERS (RFC1700) and its successors: 24 * http://www.iana.org/assignments/protocol-numbers 25 * http://www.iana.org/assignments/port-numbers 26 * Basic Socket Interface Extensions for IPv6 (RFC2133 and its successors) 27 * 28 */ 29 30 #ifndef _NETINET_IN_H 31 #define _NETINET_IN_H 32 33 #include <sys/feature_tests.h> 34 35 #ifdef __cplusplus 36 extern "C" { 37 #endif 38 39 #include <sys/types.h> 40 41 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 42 #include <sys/socket_impl.h> 43 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 44 45 #ifndef _SOCKLEN_T 46 #define _SOCKLEN_T 47 48 /* 49 * The socklen definitions are reproduced here from sys/socket.h so as to 50 * not introduce that namespace into existing users of netinet/in.h. 51 */ 52 #if defined(_XPG4_2) && !defined(_XPG5) && !defined(_LP64) 53 typedef size_t socklen_t; 54 #else 55 typedef uint32_t socklen_t; 56 #endif /* defined(_XPG4_2) && !defined(_XPG5) && !defined(_LP64) */ 57 58 #if defined(_XPG4_2) || defined(_BOOT) 59 typedef socklen_t *Psocklen_t; 60 #else 61 typedef void *Psocklen_t; 62 #endif /* defined(_XPG4_2) || defined(_BOOT) */ 63 64 #endif /* _SOCKLEN_T */ 65 66 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 67 #include <sys/stream.h> 68 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 69 /* 70 * Symbols such as htonl() are required to be exposed through this file, 71 * per XNS Issue 5. This is achieved by inclusion of <sys/byteorder.h> 72 */ 73 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) || defined(_XPG5) 74 #include <sys/byteorder.h> 75 #endif 76 77 #ifndef _IN_PORT_T 78 #define _IN_PORT_T 79 typedef uint16_t in_port_t; 80 #endif 81 82 /* 83 * Note: IPv4 address data structures usage conventions. 84 * The "in_addr_t" type below (required by Unix standards) 85 * is NOT a typedef of "struct in_addr" and violates the usual 86 * conventions where "struct <name>" and <name>_t are corresponding 87 * typedefs. 88 * To minimize confusion, kernel data structures/usage prefers use 89 * of "ipaddr_t" as atomic uint32_t type and avoid using "in_addr_t" 90 * The user level APIs continue to follow the historic popular 91 * practice of using "struct in_addr". 92 */ 93 #ifndef _IN_ADDR_T 94 #define _IN_ADDR_T 95 typedef uint32_t in_addr_t; 96 #endif 97 98 #ifndef _IPADDR_T 99 #define _IPADDR_T 100 typedef uint32_t ipaddr_t; 101 #endif 102 103 #if !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) 104 105 struct in6_addr { 106 union { 107 /* 108 * Note: Static initalizers of "union" type assume 109 * the constant on the RHS is the type of the first member 110 * of union. 111 * To make static initializers (and efficient usage) work, 112 * the order of members exposed to user and kernel view of 113 * this data structure is different. 114 * User environment sees specified uint8_t type as first 115 * member whereas kernel sees most efficient type as 116 * first member. 117 */ 118 #ifdef _KERNEL 119 uint32_t _S6_u32[4]; /* IPv6 address */ 120 uint16_t _S6_u16[8]; /* IPv6 address */ 121 uint8_t _S6_u8[16]; /* IPv6 address */ 122 #else 123 uint8_t _S6_u8[16]; /* IPv6 address */ 124 uint16_t _S6_u16[8]; /* IPv6 address */ 125 uint32_t _S6_u32[4]; /* IPv6 address */ 126 #endif 127 uint32_t __S6_align; /* Align on 32 bit boundary */ 128 } _S6_un; 129 }; 130 #define s6_addr _S6_un._S6_u8 131 132 #ifdef _KERNEL 133 #define s6_addr8 _S6_un._S6_u8 134 #define s6_addr16 _S6_un._S6_u16 135 #define s6_addr32 _S6_un._S6_u32 136 #endif 137 138 typedef struct in6_addr in6_addr_t; 139 140 #endif /* !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) */ 141 142 #ifndef _SA_FAMILY_T 143 #define _SA_FAMILY_T 144 typedef uint16_t sa_family_t; 145 #endif 146 147 /* 148 * Protocols 149 * 150 * Some of these constant names are copied for the DTrace IP provider in 151 * usr/src/lib/libdtrace/common/{ip.d.in, ip.sed.in}, which should be kept 152 * in sync. 153 */ 154 #define IPPROTO_IP 0 /* dummy for IP */ 155 #define IPPROTO_HOPOPTS 0 /* Hop by hop header for IPv6 */ 156 #define IPPROTO_ICMP 1 /* control message protocol */ 157 #define IPPROTO_IGMP 2 /* group control protocol */ 158 #define IPPROTO_GGP 3 /* gateway^2 (deprecated) */ 159 #define IPPROTO_ENCAP 4 /* IP in IP encapsulation */ 160 #define IPPROTO_TCP 6 /* tcp */ 161 #define IPPROTO_EGP 8 /* exterior gateway protocol */ 162 #define IPPROTO_PUP 12 /* pup */ 163 #define IPPROTO_UDP 17 /* user datagram protocol */ 164 #define IPPROTO_IDP 22 /* xns idp */ 165 #define IPPROTO_IPV6 41 /* IPv6 encapsulated in IP */ 166 #define IPPROTO_ROUTING 43 /* Routing header for IPv6 */ 167 #define IPPROTO_FRAGMENT 44 /* Fragment header for IPv6 */ 168 #define IPPROTO_RSVP 46 /* rsvp */ 169 #define IPPROTO_ESP 50 /* IPsec Encap. Sec. Payload */ 170 #define IPPROTO_AH 51 /* IPsec Authentication Hdr. */ 171 #define IPPROTO_ICMPV6 58 /* ICMP for IPv6 */ 172 #define IPPROTO_NONE 59 /* No next header for IPv6 */ 173 #define IPPROTO_DSTOPTS 60 /* Destination options */ 174 #define IPPROTO_HELLO 63 /* "hello" routing protocol */ 175 #define IPPROTO_ND 77 /* UNOFFICIAL net disk proto */ 176 #define IPPROTO_EON 80 /* ISO clnp */ 177 #define IPPROTO_OSPF 89 /* OSPF */ 178 #define IPPROTO_PIM 103 /* PIM routing protocol */ 179 #define IPPROTO_SCTP 132 /* Stream Control */ 180 /* Transmission Protocol */ 181 182 #define IPPROTO_RAW 255 /* raw IP packet */ 183 #define IPPROTO_MAX 256 184 185 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 186 #define PROTO_SDP 257 /* Sockets Direct Protocol */ 187 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 188 189 /* 190 * Port/socket numbers: network standard functions 191 * 192 * Entries should exist here for each port number compiled into an ON 193 * component, such as snoop. 194 */ 195 #define IPPORT_ECHO 7 196 #define IPPORT_DISCARD 9 197 #define IPPORT_SYSTAT 11 198 #define IPPORT_DAYTIME 13 199 #define IPPORT_NETSTAT 15 200 #define IPPORT_CHARGEN 19 201 #define IPPORT_FTP 21 202 #define IPPORT_TELNET 23 203 #define IPPORT_SMTP 25 204 #define IPPORT_TIMESERVER 37 205 #define IPPORT_NAMESERVER 42 206 #define IPPORT_WHOIS 43 207 #define IPPORT_DOMAIN 53 208 #define IPPORT_MDNS 5353 209 #define IPPORT_MTP 57 210 211 /* 212 * Port/socket numbers: host specific functions 213 */ 214 #define IPPORT_BOOTPS 67 215 #define IPPORT_BOOTPC 68 216 #define IPPORT_TFTP 69 217 #define IPPORT_RJE 77 218 #define IPPORT_FINGER 79 219 #define IPPORT_HTTP 80 220 #define IPPORT_HTTP_ALT 8080 221 #define IPPORT_TTYLINK 87 222 #define IPPORT_SUPDUP 95 223 #define IPPORT_NTP 123 224 #define IPPORT_NETBIOS_NS 137 225 #define IPPORT_NETBIOS_DGM 138 226 #define IPPORT_NETBIOS_SSN 139 227 #define IPPORT_LDAP 389 228 #define IPPORT_SLP 427 229 #define IPPORT_MIP 434 230 #define IPPORT_SMB 445 /* a.k.a. microsoft-ds */ 231 232 /* 233 * Internet Key Exchange (IKE) ports 234 */ 235 #define IPPORT_IKE 500 236 #define IPPORT_IKE_NATT 4500 237 238 /* 239 * UNIX TCP sockets 240 */ 241 #define IPPORT_EXECSERVER 512 242 #define IPPORT_LOGINSERVER 513 243 #define IPPORT_CMDSERVER 514 244 #define IPPORT_PRINTER 515 245 #define IPPORT_EFSSERVER 520 246 247 /* 248 * UNIX UDP sockets 249 */ 250 #define IPPORT_BIFFUDP 512 251 #define IPPORT_WHOSERVER 513 252 #define IPPORT_SYSLOG 514 253 #define IPPORT_TALK 517 254 #define IPPORT_ROUTESERVER 520 255 #define IPPORT_RIPNG 521 256 257 /* 258 * DHCPv6 UDP ports 259 */ 260 #define IPPORT_DHCPV6C 546 261 #define IPPORT_DHCPV6S 547 262 263 #define IPPORT_SOCKS 1080 264 265 /* 266 * Ports < IPPORT_RESERVED are reserved for 267 * privileged processes (e.g. root). 268 * Ports > IPPORT_USERRESERVED are reserved 269 * for servers, not necessarily privileged. 270 */ 271 #define IPPORT_RESERVED 1024 272 #define IPPORT_USERRESERVED 5000 273 274 /* 275 * Link numbers 276 */ 277 #define IMPLINK_IP 155 278 #define IMPLINK_LOWEXPER 156 279 #define IMPLINK_HIGHEXPER 158 280 281 /* 282 * IPv4 Internet address 283 * This definition contains obsolete fields for compatibility 284 * with SunOS 3.x and 4.2bsd. The presence of subnets renders 285 * divisions into fixed fields misleading at best. New code 286 * should use only the s_addr field. 287 */ 288 289 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 290 #define _S_un_b S_un_b 291 #define _S_un_w S_un_w 292 #define _S_addr S_addr 293 #define _S_un S_un 294 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 295 296 struct in_addr { 297 union { 298 struct { uint8_t s_b1, s_b2, s_b3, s_b4; } _S_un_b; 299 struct { uint16_t s_w1, s_w2; } _S_un_w; 300 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 301 uint32_t _S_addr; 302 #else 303 in_addr_t _S_addr; 304 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 305 } _S_un; 306 #define s_addr _S_un._S_addr /* should be used for all code */ 307 #define s_host _S_un._S_un_b.s_b2 /* OBSOLETE: host on imp */ 308 #define s_net _S_un._S_un_b.s_b1 /* OBSOLETE: network */ 309 #define s_imp _S_un._S_un_w.s_w2 /* OBSOLETE: imp */ 310 #define s_impno _S_un._S_un_b.s_b4 /* OBSOLETE: imp # */ 311 #define s_lh _S_un._S_un_b.s_b3 /* OBSOLETE: logical host */ 312 }; 313 314 /* 315 * Definitions of bits in internet address integers. 316 * On subnets, the decomposition of addresses to host and net parts 317 * is done according to subnet mask, not the masks here. 318 * 319 * Note that with the introduction of CIDR, IN_CLASSA, IN_CLASSB, 320 * IN_CLASSC, IN_CLASSD and IN_CLASSE macros have become "de-facto 321 * obsolete". IN_MULTICAST macro should be used to test if a address 322 * is a multicast address. 323 */ 324 #define IN_CLASSA(i) (((i) & 0x80000000U) == 0) 325 #define IN_CLASSA_NET 0xff000000U 326 #define IN_CLASSA_NSHIFT 24 327 #define IN_CLASSA_HOST 0x00ffffffU 328 #define IN_CLASSA_MAX 128 329 330 #define IN_CLASSB(i) (((i) & 0xc0000000U) == 0x80000000U) 331 #define IN_CLASSB_NET 0xffff0000U 332 #define IN_CLASSB_NSHIFT 16 333 #define IN_CLASSB_HOST 0x0000ffffU 334 #define IN_CLASSB_MAX 65536 335 336 #define IN_CLASSC(i) (((i) & 0xe0000000U) == 0xc0000000U) 337 #define IN_CLASSC_NET 0xffffff00U 338 #define IN_CLASSC_NSHIFT 8 339 #define IN_CLASSC_HOST 0x000000ffU 340 341 #define IN_CLASSD(i) (((i) & 0xf0000000U) == 0xe0000000U) 342 #define IN_CLASSD_NET 0xf0000000U /* These aren't really */ 343 #define IN_CLASSD_NSHIFT 28 /* net and host fields, but */ 344 #define IN_CLASSD_HOST 0x0fffffffU /* routing needn't know */ 345 346 #define IN_CLASSE(i) (((i) & 0xf0000000U) == 0xf0000000U) 347 #define IN_CLASSE_NET 0xffffffffU 348 349 #define IN_MULTICAST(i) IN_CLASSD(i) 350 351 /* 352 * We have removed CLASS E checks from the kernel 353 * But we preserve these defines for userland in order 354 * to avoid compile breakage of some 3rd party piece of software 355 */ 356 #ifndef _KERNEL 357 #define IN_EXPERIMENTAL(i) (((i) & 0xe0000000U) == 0xe0000000U) 358 #define IN_BADCLASS(i) (((i) & 0xf0000000U) == 0xf0000000U) 359 #endif 360 361 #define INADDR_ANY 0x00000000U 362 #define INADDR_LOOPBACK 0x7F000001U 363 #define INADDR_BROADCAST 0xffffffffU /* must be masked */ 364 #define INADDR_NONE 0xffffffffU 365 366 #define INADDR_UNSPEC_GROUP 0xe0000000U /* 224.0.0.0 */ 367 #define INADDR_ALLHOSTS_GROUP 0xe0000001U /* 224.0.0.1 */ 368 #define INADDR_ALLRTRS_GROUP 0xe0000002U /* 224.0.0.2 */ 369 #define INADDR_ALLRPTS_GROUP 0xe0000016U /* 224.0.0.22, IGMPv3 */ 370 #define INADDR_MAX_LOCAL_GROUP 0xe00000ffU /* 224.0.0.255 */ 371 372 /* Scoped IPv4 prefixes (in host byte-order) */ 373 #define IN_AUTOCONF_NET 0xa9fe0000U /* 169.254/16 */ 374 #define IN_AUTOCONF_MASK 0xffff0000U 375 #define IN_PRIVATE8_NET 0x0a000000U /* 10/8 */ 376 #define IN_PRIVATE8_MASK 0xff000000U 377 #define IN_PRIVATE12_NET 0xac100000U /* 172.16/12 */ 378 #define IN_PRIVATE12_MASK 0xfff00000U 379 #define IN_PRIVATE16_NET 0xc0a80000U /* 192.168/16 */ 380 #define IN_PRIVATE16_MASK 0xffff0000U 381 382 /* RFC 3927 IPv4 link local address (i in host byte-order) */ 383 #define IN_LINKLOCAL(i) (((i) & IN_AUTOCONF_MASK) == IN_AUTOCONF_NET) 384 385 /* Well known 6to4 Relay Router Anycast address defined in RFC 3068 */ 386 #if !defined(_XPG4_2) || !defined(__EXTENSIONS__) 387 #define INADDR_6TO4RRANYCAST 0xc0586301U /* 192.88.99.1 */ 388 #endif /* !defined(_XPG4_2) || !defined(__EXTENSIONS__) */ 389 390 #define IN_LOOPBACKNET 127 /* official! */ 391 392 /* 393 * Define a macro to stuff the loopback address into an Internet address 394 */ 395 #if !defined(_XPG4_2) || !defined(__EXTENSIONS__) 396 #define IN_SET_LOOPBACK_ADDR(a) \ 397 { (a)->sin_addr.s_addr = htonl(INADDR_LOOPBACK); \ 398 (a)->sin_family = AF_INET; } 399 #endif /* !defined(_XPG4_2) || !defined(__EXTENSIONS__) */ 400 401 /* 402 * IPv4 Socket address. 403 */ 404 struct sockaddr_in { 405 sa_family_t sin_family; 406 in_port_t sin_port; 407 struct in_addr sin_addr; 408 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 409 char sin_zero[8]; 410 #else 411 unsigned char sin_zero[8]; 412 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 413 }; 414 415 #if !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) 416 /* 417 * IPv6 socket address. 418 */ 419 struct sockaddr_in6 { 420 sa_family_t sin6_family; 421 in_port_t sin6_port; 422 uint32_t sin6_flowinfo; 423 struct in6_addr sin6_addr; 424 uint32_t sin6_scope_id; /* Depends on scope of sin6_addr */ 425 uint32_t __sin6_src_id; /* Impl. specific - UDP replies */ 426 }; 427 428 /* 429 * Macros for accessing the traffic class and flow label fields from 430 * sin6_flowinfo. 431 * These are designed to be applied to a 32-bit value. 432 */ 433 #ifdef _BIG_ENDIAN 434 435 /* masks */ 436 #define IPV6_FLOWINFO_FLOWLABEL 0x000fffffU 437 #define IPV6_FLOWINFO_TCLASS 0x0ff00000U 438 439 #else /* _BIG_ENDIAN */ 440 441 /* masks */ 442 #define IPV6_FLOWINFO_FLOWLABEL 0xffff0f00U 443 #define IPV6_FLOWINFO_TCLASS 0x0000f00fU 444 445 #endif /* _BIG_ENDIAN */ 446 447 /* 448 * Note: Macros IN6ADDR_ANY_INIT and IN6ADDR_LOOPBACK_INIT are for 449 * use as RHS of Static initializers of "struct in6_addr" (or in6_addr_t) 450 * only. They need to be different for User/Kernel versions because union 451 * component data structure is defined differently (it is identical at 452 * binary representation level). 453 * 454 * const struct in6_addr IN6ADDR_ANY_INIT; 455 * const struct in6_addr IN6ADDR_LOOPBACK_INIT; 456 */ 457 458 459 #ifdef _KERNEL 460 #define IN6ADDR_ANY_INIT { 0, 0, 0, 0 } 461 462 #ifdef _BIG_ENDIAN 463 #define IN6ADDR_LOOPBACK_INIT { 0, 0, 0, 0x00000001U } 464 #else /* _BIG_ENDIAN */ 465 #define IN6ADDR_LOOPBACK_INIT { 0, 0, 0, 0x01000000U } 466 #endif /* _BIG_ENDIAN */ 467 468 #else 469 470 #define IN6ADDR_ANY_INIT { 0, 0, 0, 0, \ 471 0, 0, 0, 0, \ 472 0, 0, 0, 0, \ 473 0, 0, 0, 0 } 474 475 #define IN6ADDR_LOOPBACK_INIT { 0, 0, 0, 0, \ 476 0, 0, 0, 0, \ 477 0, 0, 0, 0, \ 478 0, 0, 0, 0x1U } 479 #endif /* _KERNEL */ 480 481 /* 482 * RFC 2553 specifies the following macros. Their type is defined 483 * as "int" in the RFC but they only have boolean significance 484 * (zero or non-zero). For the purposes of our comment notation, 485 * we assume a hypothetical type "bool" defined as follows to 486 * write the prototypes assumed for macros in our comments better. 487 * 488 * typedef int bool; 489 */ 490 491 /* 492 * IN6 macros used to test for special IPv6 addresses 493 * (Mostly from spec) 494 * 495 * bool IN6_IS_ADDR_UNSPECIFIED (const struct in6_addr *); 496 * bool IN6_IS_ADDR_LOOPBACK (const struct in6_addr *); 497 * bool IN6_IS_ADDR_MULTICAST (const struct in6_addr *); 498 * bool IN6_IS_ADDR_LINKLOCAL (const struct in6_addr *); 499 * bool IN6_IS_ADDR_SITELOCAL (const struct in6_addr *); 500 * bool IN6_IS_ADDR_V4MAPPED (const struct in6_addr *); 501 * bool IN6_IS_ADDR_V4MAPPED_ANY(const struct in6_addr *); -- Not from RFC2553 502 * bool IN6_IS_ADDR_V4COMPAT (const struct in6_addr *); 503 * bool IN6_IS_ADDR_MC_RESERVED (const struct in6_addr *); -- Not from RFC2553 504 * bool IN6_IS_ADDR_MC_NODELOCAL(const struct in6_addr *); 505 * bool IN6_IS_ADDR_MC_LINKLOCAL(const struct in6_addr *); 506 * bool IN6_IS_ADDR_MC_SITELOCAL(const struct in6_addr *); 507 * bool IN6_IS_ADDR_MC_ORGLOCAL (const struct in6_addr *); 508 * bool IN6_IS_ADDR_MC_GLOBAL (const struct in6_addr *); 509 * bool IN6_IS_ADDR_6TO4 (const struct in6_addr *); -- Not from RFC2553 510 * bool IN6_ARE_6TO4_PREFIX_EQUAL(const struct in6_addr *, 511 * const struct in6_addr *); -- Not from RFC2553 512 * bool IN6_IS_ADDR_LINKSCOPE (const struct in6addr *); -- Not from RFC2553 513 */ 514 515 #define IN6_IS_ADDR_UNSPECIFIED(addr) \ 516 (((addr)->_S6_un._S6_u32[3] == 0) && \ 517 ((addr)->_S6_un._S6_u32[2] == 0) && \ 518 ((addr)->_S6_un._S6_u32[1] == 0) && \ 519 ((addr)->_S6_un._S6_u32[0] == 0)) 520 521 #ifdef _BIG_ENDIAN 522 #define IN6_IS_ADDR_LOOPBACK(addr) \ 523 (((addr)->_S6_un._S6_u32[3] == 0x00000001) && \ 524 ((addr)->_S6_un._S6_u32[2] == 0) && \ 525 ((addr)->_S6_un._S6_u32[1] == 0) && \ 526 ((addr)->_S6_un._S6_u32[0] == 0)) 527 #else /* _BIG_ENDIAN */ 528 #define IN6_IS_ADDR_LOOPBACK(addr) \ 529 (((addr)->_S6_un._S6_u32[3] == 0x01000000) && \ 530 ((addr)->_S6_un._S6_u32[2] == 0) && \ 531 ((addr)->_S6_un._S6_u32[1] == 0) && \ 532 ((addr)->_S6_un._S6_u32[0] == 0)) 533 #endif /* _BIG_ENDIAN */ 534 535 #ifdef _BIG_ENDIAN 536 #define IN6_IS_ADDR_MULTICAST(addr) \ 537 (((addr)->_S6_un._S6_u32[0] & 0xff000000) == 0xff000000) 538 #else /* _BIG_ENDIAN */ 539 #define IN6_IS_ADDR_MULTICAST(addr) \ 540 (((addr)->_S6_un._S6_u32[0] & 0x000000ff) == 0x000000ff) 541 #endif /* _BIG_ENDIAN */ 542 543 #ifdef _BIG_ENDIAN 544 #define IN6_IS_ADDR_LINKLOCAL(addr) \ 545 (((addr)->_S6_un._S6_u32[0] & 0xffc00000) == 0xfe800000) 546 #else /* _BIG_ENDIAN */ 547 #define IN6_IS_ADDR_LINKLOCAL(addr) \ 548 (((addr)->_S6_un._S6_u32[0] & 0x0000c0ff) == 0x000080fe) 549 #endif /* _BIG_ENDIAN */ 550 551 #ifdef _BIG_ENDIAN 552 #define IN6_IS_ADDR_SITELOCAL(addr) \ 553 (((addr)->_S6_un._S6_u32[0] & 0xffc00000) == 0xfec00000) 554 #else /* _BIG_ENDIAN */ 555 #define IN6_IS_ADDR_SITELOCAL(addr) \ 556 (((addr)->_S6_un._S6_u32[0] & 0x0000c0ff) == 0x0000c0fe) 557 #endif /* _BIG_ENDIAN */ 558 559 #ifdef _BIG_ENDIAN 560 #define IN6_IS_ADDR_V4MAPPED(addr) \ 561 (((addr)->_S6_un._S6_u32[2] == 0x0000ffff) && \ 562 ((addr)->_S6_un._S6_u32[1] == 0) && \ 563 ((addr)->_S6_un._S6_u32[0] == 0)) 564 #else /* _BIG_ENDIAN */ 565 #define IN6_IS_ADDR_V4MAPPED(addr) \ 566 (((addr)->_S6_un._S6_u32[2] == 0xffff0000U) && \ 567 ((addr)->_S6_un._S6_u32[1] == 0) && \ 568 ((addr)->_S6_un._S6_u32[0] == 0)) 569 #endif /* _BIG_ENDIAN */ 570 571 /* 572 * IN6_IS_ADDR_V4MAPPED - A IPv4 mapped INADDR_ANY 573 * Note: This macro is currently NOT defined in RFC2553 specification 574 * and not a standard macro that portable applications should use. 575 */ 576 #ifdef _BIG_ENDIAN 577 #define IN6_IS_ADDR_V4MAPPED_ANY(addr) \ 578 (((addr)->_S6_un._S6_u32[3] == 0) && \ 579 ((addr)->_S6_un._S6_u32[2] == 0x0000ffff) && \ 580 ((addr)->_S6_un._S6_u32[1] == 0) && \ 581 ((addr)->_S6_un._S6_u32[0] == 0)) 582 #else /* _BIG_ENDIAN */ 583 #define IN6_IS_ADDR_V4MAPPED_ANY(addr) \ 584 (((addr)->_S6_un._S6_u32[3] == 0) && \ 585 ((addr)->_S6_un._S6_u32[2] == 0xffff0000U) && \ 586 ((addr)->_S6_un._S6_u32[1] == 0) && \ 587 ((addr)->_S6_un._S6_u32[0] == 0)) 588 #endif /* _BIG_ENDIAN */ 589 590 /* Exclude loopback and unspecified address */ 591 #ifdef _BIG_ENDIAN 592 #define IN6_IS_ADDR_V4COMPAT(addr) \ 593 (((addr)->_S6_un._S6_u32[2] == 0) && \ 594 ((addr)->_S6_un._S6_u32[1] == 0) && \ 595 ((addr)->_S6_un._S6_u32[0] == 0) && \ 596 !((addr)->_S6_un._S6_u32[3] == 0) && \ 597 !((addr)->_S6_un._S6_u32[3] == 0x00000001)) 598 599 #else /* _BIG_ENDIAN */ 600 #define IN6_IS_ADDR_V4COMPAT(addr) \ 601 (((addr)->_S6_un._S6_u32[2] == 0) && \ 602 ((addr)->_S6_un._S6_u32[1] == 0) && \ 603 ((addr)->_S6_un._S6_u32[0] == 0) && \ 604 !((addr)->_S6_un._S6_u32[3] == 0) && \ 605 !((addr)->_S6_un._S6_u32[3] == 0x01000000)) 606 #endif /* _BIG_ENDIAN */ 607 608 /* 609 * Note: 610 * IN6_IS_ADDR_MC_RESERVED macro is currently NOT defined in RFC2553 611 * specification and not a standard macro that portable applications 612 * should use. 613 */ 614 #ifdef _BIG_ENDIAN 615 #define IN6_IS_ADDR_MC_RESERVED(addr) \ 616 (((addr)->_S6_un._S6_u32[0] & 0xff0f0000) == 0xff000000) 617 618 #else /* _BIG_ENDIAN */ 619 #define IN6_IS_ADDR_MC_RESERVED(addr) \ 620 (((addr)->_S6_un._S6_u32[0] & 0x00000fff) == 0x000000ff) 621 #endif /* _BIG_ENDIAN */ 622 623 #ifdef _BIG_ENDIAN 624 #define IN6_IS_ADDR_MC_NODELOCAL(addr) \ 625 (((addr)->_S6_un._S6_u32[0] & 0xff0f0000) == 0xff010000) 626 #else /* _BIG_ENDIAN */ 627 #define IN6_IS_ADDR_MC_NODELOCAL(addr) \ 628 (((addr)->_S6_un._S6_u32[0] & 0x00000fff) == 0x000001ff) 629 #endif /* _BIG_ENDIAN */ 630 631 #ifdef _BIG_ENDIAN 632 #define IN6_IS_ADDR_MC_LINKLOCAL(addr) \ 633 (((addr)->_S6_un._S6_u32[0] & 0xff0f0000) == 0xff020000) 634 #else /* _BIG_ENDIAN */ 635 #define IN6_IS_ADDR_MC_LINKLOCAL(addr) \ 636 (((addr)->_S6_un._S6_u32[0] & 0x00000fff) == 0x000002ff) 637 #endif /* _BIG_ENDIAN */ 638 639 #ifdef _BIG_ENDIAN 640 #define IN6_IS_ADDR_MC_SITELOCAL(addr) \ 641 (((addr)->_S6_un._S6_u32[0] & 0xff0f0000) == 0xff050000) 642 #else /* _BIG_ENDIAN */ 643 #define IN6_IS_ADDR_MC_SITELOCAL(addr) \ 644 (((addr)->_S6_un._S6_u32[0] & 0x00000fff) == 0x000005ff) 645 #endif /* _BIG_ENDIAN */ 646 647 #ifdef _BIG_ENDIAN 648 #define IN6_IS_ADDR_MC_ORGLOCAL(addr) \ 649 (((addr)->_S6_un._S6_u32[0] & 0xff0f0000) == 0xff080000) 650 #else /* _BIG_ENDIAN */ 651 #define IN6_IS_ADDR_MC_ORGLOCAL(addr) \ 652 (((addr)->_S6_un._S6_u32[0] & 0x00000fff) == 0x000008ff) 653 #endif /* _BIG_ENDIAN */ 654 655 #ifdef _BIG_ENDIAN 656 #define IN6_IS_ADDR_MC_GLOBAL(addr) \ 657 (((addr)->_S6_un._S6_u32[0] & 0xff0f0000) == 0xff0e0000) 658 #else /* _BIG_ENDIAN */ 659 #define IN6_IS_ADDR_MC_GLOBAL(addr) \ 660 (((addr)->_S6_un._S6_u32[0] & 0x00000fff) == 0x00000eff) 661 #endif /* _BIG_ENDIAN */ 662 663 /* 664 * The IN6_IS_ADDR_MC_SOLICITEDNODE macro is not defined in any standard or 665 * RFC, and shouldn't be used by portable applications. It is used to see 666 * if an address is a solicited-node multicast address, which is prefixed 667 * with ff02:0:0:0:0:1:ff00::/104. 668 */ 669 #ifdef _BIG_ENDIAN 670 #define IN6_IS_ADDR_MC_SOLICITEDNODE(addr) \ 671 (((addr)->_S6_un._S6_u32[0] == 0xff020000) && \ 672 ((addr)->_S6_un._S6_u32[1] == 0x00000000) && \ 673 ((addr)->_S6_un._S6_u32[2] == 0x00000001) && \ 674 (((addr)->_S6_un._S6_u32[3] & 0xff000000) == 0xff000000)) 675 #else 676 #define IN6_IS_ADDR_MC_SOLICITEDNODE(addr) \ 677 (((addr)->_S6_un._S6_u32[0] == 0x000002ff) && \ 678 ((addr)->_S6_un._S6_u32[1] == 0x00000000) && \ 679 ((addr)->_S6_un._S6_u32[2] == 0x01000000) && \ 680 (((addr)->_S6_un._S6_u32[3] & 0x000000ff) == 0x000000ff)) 681 #endif 682 683 /* 684 * Macros to a) test for 6to4 IPv6 address, and b) to test if two 685 * 6to4 addresses have the same /48 prefix, and, hence, are from the 686 * same 6to4 site. 687 */ 688 689 #ifdef _BIG_ENDIAN 690 #define IN6_IS_ADDR_6TO4(addr) \ 691 (((addr)->_S6_un._S6_u32[0] & 0xffff0000) == 0x20020000) 692 #else /* _BIG_ENDIAN */ 693 #define IN6_IS_ADDR_6TO4(addr) \ 694 (((addr)->_S6_un._S6_u32[0] & 0x0000ffff) == 0x00000220) 695 #endif /* _BIG_ENDIAN */ 696 697 #define IN6_ARE_6TO4_PREFIX_EQUAL(addr1, addr2) \ 698 (((addr1)->_S6_un._S6_u32[0] == (addr2)->_S6_un._S6_u32[0]) && \ 699 ((addr1)->_S6_un._S6_u8[4] == (addr2)->_S6_un._S6_u8[4]) && \ 700 ((addr1)->_S6_un._S6_u8[5] == (addr2)->_S6_un._S6_u8[5])) 701 702 /* 703 * IN6_IS_ADDR_LINKSCOPE 704 * Identifies an address as being either link-local, link-local multicast or 705 * node-local multicast. All types of addresses are considered to be unique 706 * within the scope of a given link. 707 */ 708 #define IN6_IS_ADDR_LINKSCOPE(addr) \ 709 (IN6_IS_ADDR_LINKLOCAL(addr) || IN6_IS_ADDR_MC_LINKLOCAL(addr) || \ 710 IN6_IS_ADDR_MC_NODELOCAL(addr)) 711 712 /* 713 * Useful utility macros for operations with IPv6 addresses 714 * Note: These macros are NOT defined in the RFC2553 or any other 715 * standard specification and are not standard macros that portable 716 * applications should use. 717 */ 718 719 /* 720 * IN6_V4MAPPED_TO_INADDR 721 * IN6_V4MAPPED_TO_IPADDR 722 * Assign a IPv4-Mapped IPv6 address to an IPv4 address. 723 * Note: These macros are NOT defined in RFC2553 or any other standard 724 * specification and are not macros that portable applications should 725 * use. 726 * 727 * void IN6_V4MAPPED_TO_INADDR(const in6_addr_t *v6, struct in_addr *v4); 728 * void IN6_V4MAPPED_TO_IPADDR(const in6_addr_t *v6, ipaddr_t v4); 729 * 730 */ 731 #define IN6_V4MAPPED_TO_INADDR(v6, v4) \ 732 ((v4)->s_addr = (v6)->_S6_un._S6_u32[3]) 733 #define IN6_V4MAPPED_TO_IPADDR(v6, v4) \ 734 ((v4) = (v6)->_S6_un._S6_u32[3]) 735 736 /* 737 * IN6_INADDR_TO_V4MAPPED 738 * IN6_IPADDR_TO_V4MAPPED 739 * Assign a IPv4 address address to an IPv6 address as a IPv4-mapped 740 * address. 741 * Note: These macros are NOT defined in RFC2553 or any other standard 742 * specification and are not macros that portable applications should 743 * use. 744 * 745 * void IN6_INADDR_TO_V4MAPPED(const struct in_addr *v4, in6_addr_t *v6); 746 * void IN6_IPADDR_TO_V4MAPPED(const ipaddr_t v4, in6_addr_t *v6); 747 * 748 */ 749 #ifdef _BIG_ENDIAN 750 #define IN6_INADDR_TO_V4MAPPED(v4, v6) \ 751 ((v6)->_S6_un._S6_u32[3] = (v4)->s_addr, \ 752 (v6)->_S6_un._S6_u32[2] = 0x0000ffff, \ 753 (v6)->_S6_un._S6_u32[1] = 0, \ 754 (v6)->_S6_un._S6_u32[0] = 0) 755 #define IN6_IPADDR_TO_V4MAPPED(v4, v6) \ 756 ((v6)->_S6_un._S6_u32[3] = (v4), \ 757 (v6)->_S6_un._S6_u32[2] = 0x0000ffff, \ 758 (v6)->_S6_un._S6_u32[1] = 0, \ 759 (v6)->_S6_un._S6_u32[0] = 0) 760 #else /* _BIG_ENDIAN */ 761 #define IN6_INADDR_TO_V4MAPPED(v4, v6) \ 762 ((v6)->_S6_un._S6_u32[3] = (v4)->s_addr, \ 763 (v6)->_S6_un._S6_u32[2] = 0xffff0000U, \ 764 (v6)->_S6_un._S6_u32[1] = 0, \ 765 (v6)->_S6_un._S6_u32[0] = 0) 766 #define IN6_IPADDR_TO_V4MAPPED(v4, v6) \ 767 ((v6)->_S6_un._S6_u32[3] = (v4), \ 768 (v6)->_S6_un._S6_u32[2] = 0xffff0000U, \ 769 (v6)->_S6_un._S6_u32[1] = 0, \ 770 (v6)->_S6_un._S6_u32[0] = 0) 771 #endif /* _BIG_ENDIAN */ 772 773 /* 774 * IN6_6TO4_TO_V4ADDR 775 * Extract the embedded IPv4 address from the prefix to a 6to4 IPv6 776 * address. 777 * Note: This macro is NOT defined in RFC2553 or any other standard 778 * specification and is not a macro that portable applications should 779 * use. 780 * Note: we don't use the IPADDR form of the macro because we need 781 * to do a bytewise copy; the V4ADDR in the 6to4 address is not 782 * 32-bit aligned. 783 * 784 * void IN6_6TO4_TO_V4ADDR(const in6_addr_t *v6, struct in_addr *v4); 785 * 786 */ 787 #define IN6_6TO4_TO_V4ADDR(v6, v4) \ 788 ((v4)->_S_un._S_un_b.s_b1 = (v6)->_S6_un._S6_u8[2], \ 789 (v4)->_S_un._S_un_b.s_b2 = (v6)->_S6_un._S6_u8[3], \ 790 (v4)->_S_un._S_un_b.s_b3 = (v6)->_S6_un._S6_u8[4], \ 791 (v4)->_S_un._S_un_b.s_b4 = (v6)->_S6_un._S6_u8[5]) 792 793 /* 794 * IN6_V4ADDR_TO_6TO4 795 * Given an IPv4 address and an IPv6 address for output, a 6to4 address 796 * will be created from the IPv4 Address. 797 * Note: This method for creating 6to4 addresses is not standardized 798 * outside of Solaris. The newly created 6to4 address will be of the form 799 * 2002:<V4ADDR>:<SUBNETID>::<HOSTID>, where SUBNETID will equal 0 and 800 * HOSTID will equal 1. 801 * 802 * void IN6_V4ADDR_TO_6TO4(const struct in_addr *v4, in6_addr_t *v6) 803 * 804 */ 805 #ifdef _BIG_ENDIAN 806 #define IN6_V4ADDR_TO_6TO4(v4, v6) \ 807 ((v6)->_S6_un._S6_u8[0] = 0x20, \ 808 (v6)->_S6_un._S6_u8[1] = 0x02, \ 809 (v6)->_S6_un._S6_u8[2] = (v4)->_S_un._S_un_b.s_b1, \ 810 (v6)->_S6_un._S6_u8[3] = (v4)->_S_un._S_un_b.s_b2, \ 811 (v6)->_S6_un._S6_u8[4] = (v4)->_S_un._S_un_b.s_b3, \ 812 (v6)->_S6_un._S6_u8[5] = (v4)->_S_un._S_un_b.s_b4, \ 813 (v6)->_S6_un._S6_u8[6] = 0, \ 814 (v6)->_S6_un._S6_u8[7] = 0, \ 815 (v6)->_S6_un._S6_u32[2] = 0, \ 816 (v6)->_S6_un._S6_u32[3] = 0x00000001U) 817 #else 818 #define IN6_V4ADDR_TO_6TO4(v4, v6) \ 819 ((v6)->_S6_un._S6_u8[0] = 0x20, \ 820 (v6)->_S6_un._S6_u8[1] = 0x02, \ 821 (v6)->_S6_un._S6_u8[2] = (v4)->_S_un._S_un_b.s_b1, \ 822 (v6)->_S6_un._S6_u8[3] = (v4)->_S_un._S_un_b.s_b2, \ 823 (v6)->_S6_un._S6_u8[4] = (v4)->_S_un._S_un_b.s_b3, \ 824 (v6)->_S6_un._S6_u8[5] = (v4)->_S_un._S_un_b.s_b4, \ 825 (v6)->_S6_un._S6_u8[6] = 0, \ 826 (v6)->_S6_un._S6_u8[7] = 0, \ 827 (v6)->_S6_un._S6_u32[2] = 0, \ 828 (v6)->_S6_un._S6_u32[3] = 0x01000000U) 829 #endif /* _BIG_ENDIAN */ 830 831 /* 832 * IN6_ARE_ADDR_EQUAL (defined in RFC2292) 833 * Compares if IPv6 addresses are equal. 834 * Note: Compares in order of high likelyhood of a miss so we minimize 835 * compares. (Current heuristic order, compare in reverse order of 836 * uint32_t units) 837 * 838 * bool IN6_ARE_ADDR_EQUAL(const struct in6_addr *, 839 * const struct in6_addr *); 840 */ 841 #define IN6_ARE_ADDR_EQUAL(addr1, addr2) \ 842 (((addr1)->_S6_un._S6_u32[3] == (addr2)->_S6_un._S6_u32[3]) && \ 843 ((addr1)->_S6_un._S6_u32[2] == (addr2)->_S6_un._S6_u32[2]) && \ 844 ((addr1)->_S6_un._S6_u32[1] == (addr2)->_S6_un._S6_u32[1]) && \ 845 ((addr1)->_S6_un._S6_u32[0] == (addr2)->_S6_un._S6_u32[0])) 846 847 /* 848 * IN6_ARE_PREFIXEDADDR_EQUAL (not defined in RFCs) 849 * Compares if prefixed parts of IPv6 addresses are equal. 850 * 851 * uint32_t IN6_MASK_FROM_PREFIX(int, int); 852 * bool IN6_ARE_PREFIXEDADDR_EQUAL(const struct in6_addr *, 853 * const struct in6_addr *, 854 * int); 855 */ 856 #define IN6_MASK_FROM_PREFIX(qoctet, prefix) \ 857 ((((qoctet) + 1) * 32 < (prefix)) ? 0xFFFFFFFFu : \ 858 ((((qoctet) * 32) >= (prefix)) ? 0x00000000u : \ 859 0xFFFFFFFFu << (((qoctet) + 1) * 32 - (prefix)))) 860 861 #define IN6_ARE_PREFIXEDADDR_EQUAL(addr1, addr2, prefix) \ 862 (((ntohl((addr1)->_S6_un._S6_u32[0]) & \ 863 IN6_MASK_FROM_PREFIX(0, prefix)) == \ 864 (ntohl((addr2)->_S6_un._S6_u32[0]) & \ 865 IN6_MASK_FROM_PREFIX(0, prefix))) && \ 866 ((ntohl((addr1)->_S6_un._S6_u32[1]) & \ 867 IN6_MASK_FROM_PREFIX(1, prefix)) == \ 868 (ntohl((addr2)->_S6_un._S6_u32[1]) & \ 869 IN6_MASK_FROM_PREFIX(1, prefix))) && \ 870 ((ntohl((addr1)->_S6_un._S6_u32[2]) & \ 871 IN6_MASK_FROM_PREFIX(2, prefix)) == \ 872 (ntohl((addr2)->_S6_un._S6_u32[2]) & \ 873 IN6_MASK_FROM_PREFIX(2, prefix))) && \ 874 ((ntohl((addr1)->_S6_un._S6_u32[3]) & \ 875 IN6_MASK_FROM_PREFIX(3, prefix)) == \ 876 (ntohl((addr2)->_S6_un._S6_u32[3]) & \ 877 IN6_MASK_FROM_PREFIX(3, prefix)))) 878 879 #endif /* !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) */ 880 881 882 /* 883 * Options for use with [gs]etsockopt at the IP level. 884 * 885 * Note: Some of the IP_ namespace has conflict with and 886 * and is exposed through <xti.h>. (It also requires exposing 887 * options not implemented). The options with potential 888 * for conflicts use #ifndef guards. 889 */ 890 #ifndef IP_OPTIONS 891 #define IP_OPTIONS 1 /* set/get IP per-packet options */ 892 #endif 893 894 #define IP_HDRINCL 2 /* int; header is included with data (raw) */ 895 896 #ifndef IP_TOS 897 #define IP_TOS 3 /* int; IP type of service and precedence */ 898 #endif 899 900 #ifndef IP_TTL 901 #define IP_TTL 4 /* int; IP time to live */ 902 #endif 903 904 #define IP_RECVOPTS 0x5 /* int; receive all IP options w/datagram */ 905 #define IP_RECVRETOPTS 0x6 /* int; receive IP options for response */ 906 #define IP_RECVDSTADDR 0x7 /* int; receive IP dst addr w/datagram */ 907 #define IP_RETOPTS 0x8 /* ip_opts; set/get IP per-packet options */ 908 #define IP_RECVIF 0x9 /* int; receive the inbound interface index */ 909 #define IP_RECVSLLA 0xa /* sockaddr_dl; get source link layer address */ 910 #define IP_RECVTTL 0xb /* uint8_t; get TTL for inbound packet */ 911 912 #define IP_MULTICAST_IF 0x10 /* set/get IP multicast interface */ 913 #define IP_MULTICAST_TTL 0x11 /* set/get IP multicast timetolive */ 914 #define IP_MULTICAST_LOOP 0x12 /* set/get IP multicast loopback */ 915 #define IP_ADD_MEMBERSHIP 0x13 /* add an IP group membership */ 916 #define IP_DROP_MEMBERSHIP 0x14 /* drop an IP group membership */ 917 #define IP_BLOCK_SOURCE 0x15 /* block mcast pkts from source */ 918 #define IP_UNBLOCK_SOURCE 0x16 /* unblock mcast pkts from source */ 919 #define IP_ADD_SOURCE_MEMBERSHIP 0x17 /* add mcast group/source pair */ 920 #define IP_DROP_SOURCE_MEMBERSHIP 0x18 /* drop mcast group/source pair */ 921 #define IP_NEXTHOP 0x19 /* send directly to next hop */ 922 /* 923 * IP_PKTINFO and IP_RECVPKTINFO have same value. Size of argument passed in 924 * is used to differentiate b/w the two. 925 */ 926 #define IP_PKTINFO 0x1a /* specify src address and/or index */ 927 #define IP_RECVPKTINFO 0x1a /* recv dest/matched addr and index */ 928 #define IP_DONTFRAG 0x1b /* don't fragment packets */ 929 930 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 931 /* 932 * Different preferences that can be requested from IPSEC protocols. 933 */ 934 #define IP_SEC_OPT 0x22 /* Used to set IPSEC options */ 935 #define IPSEC_PREF_NEVER 0x01 936 #define IPSEC_PREF_REQUIRED 0x02 937 #define IPSEC_PREF_UNIQUE 0x04 938 /* 939 * This can be used with the setsockopt() call to set per socket security 940 * options. When the application uses per-socket API, we will reflect 941 * the request on both outbound and inbound packets. 942 */ 943 944 typedef struct ipsec_req { 945 uint_t ipsr_ah_req; /* AH request */ 946 uint_t ipsr_esp_req; /* ESP request */ 947 uint_t ipsr_self_encap_req; /* Self-Encap request */ 948 uint8_t ipsr_auth_alg; /* Auth algs for AH */ 949 uint8_t ipsr_esp_alg; /* Encr algs for ESP */ 950 uint8_t ipsr_esp_auth_alg; /* Auth algs for ESP */ 951 } ipsec_req_t; 952 953 /* 954 * MCAST_* options are protocol-independent. The actual definitions 955 * are with the v6 options below; this comment is here to note the 956 * namespace usage. 957 * 958 * #define MCAST_JOIN_GROUP 0x29 959 * #define MCAST_LEAVE_GROUP 0x2a 960 * #define MCAST_BLOCK_SOURCE 0x2b 961 * #define MCAST_UNBLOCK_SOURCE 0x2c 962 * #define MCAST_JOIN_SOURCE_GROUP 0x2d 963 * #define MCAST_LEAVE_SOURCE_GROUP 0x2e 964 */ 965 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 966 967 /* 968 * SunOS private (potentially not portable) IP_ option names 969 */ 970 #define IP_BOUND_IF 0x41 /* bind socket to an ifindex */ 971 #define IP_UNSPEC_SRC 0x42 /* use unspecified source address */ 972 #define IP_BROADCAST_TTL 0x43 /* use specific TTL for broadcast */ 973 /* can be reused 0x44 */ 974 #define IP_DHCPINIT_IF 0x45 /* accept all unicast DHCP traffic */ 975 976 /* 977 * Option values and names (when !_XPG5) shared with <xti_inet.h> 978 */ 979 #ifndef IP_REUSEADDR 980 #define IP_REUSEADDR 0x104 981 #endif 982 983 #ifndef IP_DONTROUTE 984 #define IP_DONTROUTE 0x105 985 #endif 986 987 #ifndef IP_BROADCAST 988 #define IP_BROADCAST 0x106 989 #endif 990 991 /* 992 * The following option values are reserved by <xti_inet.h> 993 * 994 * T_IP_OPTIONS 0x107 - IP per-packet options 995 * T_IP_TOS 0x108 - IP per packet type of service 996 */ 997 998 /* 999 * Default value constants for multicast attributes controlled by 1000 * IP*_MULTICAST_LOOP and IP*_MULTICAST_{TTL,HOPS} options. 1001 */ 1002 #define IP_DEFAULT_MULTICAST_TTL 1 /* normally limit m'casts to 1 hop */ 1003 #define IP_DEFAULT_MULTICAST_LOOP 1 /* normally hear sends if a member */ 1004 1005 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 1006 /* 1007 * Argument structure for IP_ADD_MEMBERSHIP and IP_DROP_MEMBERSHIP. 1008 */ 1009 struct ip_mreq { 1010 struct in_addr imr_multiaddr; /* IP multicast address of group */ 1011 struct in_addr imr_interface; /* local IP address of interface */ 1012 }; 1013 1014 /* 1015 * Argument structure for IP_BLOCK_SOURCE, IP_UNBLOCK_SOURCE, 1016 * IP_ADD_SOURCE_MEMBERSHIP, and IP_DROP_SOURCE_MEMBERSHIP. 1017 */ 1018 struct ip_mreq_source { 1019 struct in_addr imr_multiaddr; /* IP address of group */ 1020 struct in_addr imr_sourceaddr; /* IP address of source */ 1021 struct in_addr imr_interface; /* IP address of interface */ 1022 }; 1023 1024 /* 1025 * Argument structure for IPV6_JOIN_GROUP and IPV6_LEAVE_GROUP on 1026 * IPv6 addresses. 1027 */ 1028 struct ipv6_mreq { 1029 struct in6_addr ipv6mr_multiaddr; /* IPv6 multicast addr */ 1030 unsigned int ipv6mr_interface; /* interface index */ 1031 }; 1032 1033 /* 1034 * Use #pragma pack() construct to force 32-bit alignment on amd64. 1035 * This is needed to keep the structure size and offsets consistent 1036 * between a 32-bit app and the 64-bit amd64 kernel in structures 1037 * where 64-bit alignment would create gaps (in this case, structures 1038 * which have a uint32_t followed by a struct sockaddr_storage). 1039 */ 1040 #if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4 1041 #pragma pack(4) 1042 #endif 1043 1044 /* 1045 * Argument structure for MCAST_JOIN_GROUP and MCAST_LEAVE_GROUP. 1046 */ 1047 struct group_req { 1048 uint32_t gr_interface; /* interface index */ 1049 struct sockaddr_storage gr_group; /* group address */ 1050 }; 1051 1052 /* 1053 * Argument structure for MCAST_BLOCK_SOURCE, MCAST_UNBLOCK_SOURCE, 1054 * MCAST_JOIN_SOURCE_GROUP, MCAST_LEAVE_SOURCE_GROUP. 1055 */ 1056 struct group_source_req { 1057 uint32_t gsr_interface; /* interface index */ 1058 struct sockaddr_storage gsr_group; /* group address */ 1059 struct sockaddr_storage gsr_source; /* source address */ 1060 }; 1061 1062 /* 1063 * Argument for SIOC[GS]MSFILTER ioctls 1064 */ 1065 struct group_filter { 1066 uint32_t gf_interface; /* interface index */ 1067 struct sockaddr_storage gf_group; /* multicast address */ 1068 uint32_t gf_fmode; /* filter mode */ 1069 uint32_t gf_numsrc; /* number of sources */ 1070 struct sockaddr_storage gf_slist[1]; /* source address */ 1071 }; 1072 1073 #if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4 1074 #pragma pack() 1075 #endif 1076 1077 #define GROUP_FILTER_SIZE(numsrc) \ 1078 (sizeof (struct group_filter) - sizeof (struct sockaddr_storage) \ 1079 + (numsrc) * sizeof (struct sockaddr_storage)) 1080 1081 /* 1082 * Argument for SIOC[GS]IPMSFILTER ioctls (IPv4-specific) 1083 */ 1084 struct ip_msfilter { 1085 struct in_addr imsf_multiaddr; /* IP multicast address of group */ 1086 struct in_addr imsf_interface; /* local IP address of interface */ 1087 uint32_t imsf_fmode; /* filter mode */ 1088 uint32_t imsf_numsrc; /* number of sources in src_list */ 1089 struct in_addr imsf_slist[1]; /* start of source list */ 1090 }; 1091 1092 #define IP_MSFILTER_SIZE(numsrc) \ 1093 (sizeof (struct ip_msfilter) - sizeof (struct in_addr) \ 1094 + (numsrc) * sizeof (struct in_addr)) 1095 1096 /* 1097 * Multicast source filter manipulation functions in libsocket; 1098 * defined in RFC 3678. 1099 */ 1100 int setsourcefilter(int, uint32_t, struct sockaddr *, socklen_t, uint32_t, 1101 uint_t, struct sockaddr_storage *); 1102 1103 int getsourcefilter(int, uint32_t, struct sockaddr *, socklen_t, uint32_t *, 1104 uint_t *, struct sockaddr_storage *); 1105 1106 int setipv4sourcefilter(int, struct in_addr, struct in_addr, uint32_t, 1107 uint32_t, struct in_addr *); 1108 1109 int getipv4sourcefilter(int, struct in_addr, struct in_addr, uint32_t *, 1110 uint32_t *, struct in_addr *); 1111 1112 /* 1113 * Definitions needed for [gs]etsourcefilter(), [gs]etipv4sourcefilter() 1114 */ 1115 #define MCAST_INCLUDE 1 1116 #define MCAST_EXCLUDE 2 1117 1118 /* 1119 * Argument struct for IP_PKTINFO option 1120 */ 1121 typedef struct in_pktinfo { 1122 unsigned int ipi_ifindex; /* send/recv interface index */ 1123 struct in_addr ipi_spec_dst; /* matched source address */ 1124 struct in_addr ipi_addr; /* src/dst address in IP hdr */ 1125 } in_pktinfo_t; 1126 1127 /* 1128 * Argument struct for IPV6_PKTINFO option 1129 */ 1130 struct in6_pktinfo { 1131 struct in6_addr ipi6_addr; /* src/dst IPv6 address */ 1132 unsigned int ipi6_ifindex; /* send/recv interface index */ 1133 }; 1134 1135 /* 1136 * Argument struct for IPV6_MTUINFO option 1137 */ 1138 struct ip6_mtuinfo { 1139 struct sockaddr_in6 ip6m_addr; /* dst address including zone ID */ 1140 uint32_t ip6m_mtu; /* path MTU in host byte order */ 1141 }; 1142 1143 /* 1144 * IPv6 routing header types 1145 */ 1146 #define IPV6_RTHDR_TYPE_0 0 1147 1148 extern socklen_t inet6_rth_space(int type, int segments); 1149 extern void *inet6_rth_init(void *bp, socklen_t bp_len, int type, int segments); 1150 extern int inet6_rth_add(void *bp, const struct in6_addr *addr); 1151 extern int inet6_rth_reverse(const void *in, void *out); 1152 extern int inet6_rth_segments(const void *bp); 1153 extern struct in6_addr *inet6_rth_getaddr(const void *bp, int index); 1154 1155 extern int inet6_opt_init(void *extbuf, socklen_t extlen); 1156 extern int inet6_opt_append(void *extbuf, socklen_t extlen, int offset, 1157 uint8_t type, socklen_t len, uint_t align, void **databufp); 1158 extern int inet6_opt_finish(void *extbuf, socklen_t extlen, int offset); 1159 extern int inet6_opt_set_val(void *databuf, int offset, void *val, 1160 socklen_t vallen); 1161 extern int inet6_opt_next(void *extbuf, socklen_t extlen, int offset, 1162 uint8_t *typep, socklen_t *lenp, void **databufp); 1163 extern int inet6_opt_find(void *extbufp, socklen_t extlen, int offset, 1164 uint8_t type, socklen_t *lenp, void **databufp); 1165 extern int inet6_opt_get_val(void *databuf, int offset, void *val, 1166 socklen_t vallen); 1167 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 1168 1169 /* 1170 * Argument structure for IP_ADD_PROXY_ADDR. 1171 * Note that this is an unstable, experimental interface. It may change 1172 * later. Don't use it unless you know what it is. 1173 */ 1174 typedef struct { 1175 struct in_addr in_prefix_addr; 1176 unsigned int in_prefix_len; 1177 } in_prefix_t; 1178 1179 1180 #if !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) 1181 /* 1182 * IPv6 options 1183 */ 1184 #define IPV6_UNICAST_HOPS 0x5 /* hop limit value for unicast */ 1185 /* packets. */ 1186 /* argument type: uint_t */ 1187 #define IPV6_MULTICAST_IF 0x6 /* outgoing interface for */ 1188 /* multicast packets. */ 1189 /* argument type: struct in6_addr */ 1190 #define IPV6_MULTICAST_HOPS 0x7 /* hop limit value to use for */ 1191 /* multicast packets. */ 1192 /* argument type: uint_t */ 1193 #define IPV6_MULTICAST_LOOP 0x8 /* enable/disable delivery of */ 1194 /* multicast packets on same socket. */ 1195 /* argument type: uint_t */ 1196 #define IPV6_JOIN_GROUP 0x9 /* join an IPv6 multicast group. */ 1197 /* argument type: struct ipv6_mreq */ 1198 #define IPV6_LEAVE_GROUP 0xa /* leave an IPv6 multicast group */ 1199 /* argument type: struct ipv6_mreq */ 1200 1201 /* 1202 * Other XPG6 constants. 1203 */ 1204 #define INET_ADDRSTRLEN 16 /* max len IPv4 addr in ascii dotted */ 1205 /* decimal notation. */ 1206 #define INET6_ADDRSTRLEN 46 /* max len of IPv6 addr in ascii */ 1207 /* standard colon-hex notation. */ 1208 1209 #endif /* !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) */ 1210 1211 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 1212 1213 /* 1214 * IPV6_ADD_MEMBERSHIP and IPV6_DROP_MEMBERSHIP are being kept 1215 * for backward compatibility. They have the same meaning as IPV6_JOIN_GROUP 1216 * and IPV6_LEAVE_GROUP respectively. 1217 */ 1218 #define IPV6_ADD_MEMBERSHIP 0x9 /* join an IPv6 multicast group. */ 1219 /* argument type: struct ipv6_mreq */ 1220 #define IPV6_DROP_MEMBERSHIP 0xa /* leave an IPv6 multicast group */ 1221 /* argument type: struct ipv6_mreq */ 1222 1223 #define IPV6_PKTINFO 0xb /* addr plus interface index */ 1224 /* arg type: "struct in6_pktingo" - */ 1225 #define IPV6_HOPLIMIT 0xc /* hoplimit for datagram */ 1226 #define IPV6_NEXTHOP 0xd /* next hop address */ 1227 #define IPV6_HOPOPTS 0xe /* hop by hop options */ 1228 #define IPV6_DSTOPTS 0xf /* destination options - after */ 1229 /* the routing header */ 1230 #define IPV6_RTHDR 0x10 /* routing header */ 1231 #define IPV6_RTHDRDSTOPTS 0x11 /* destination options - before */ 1232 /* the routing header */ 1233 #define IPV6_RECVPKTINFO 0x12 /* enable/disable IPV6_PKTINFO */ 1234 #define IPV6_RECVHOPLIMIT 0x13 /* enable/disable IPV6_HOPLIMIT */ 1235 #define IPV6_RECVHOPOPTS 0x14 /* enable/disable IPV6_HOPOPTS */ 1236 1237 /* 1238 * This options exists for backwards compatability and should no longer be 1239 * used. Use IPV6_RECVDSTOPTS instead. 1240 */ 1241 #define _OLD_IPV6_RECVDSTOPTS 0x15 1242 1243 #define IPV6_RECVRTHDR 0x16 /* enable/disable IPV6_RTHDR */ 1244 1245 /* 1246 * enable/disable IPV6_RTHDRDSTOPTS. Now obsolete. IPV6_RECVDSTOPTS enables 1247 * the receipt of both headers. 1248 */ 1249 #define IPV6_RECVRTHDRDSTOPTS 0x17 1250 1251 #define IPV6_CHECKSUM 0x18 /* Control checksum on raw sockets */ 1252 #define IPV6_RECVTCLASS 0x19 /* enable/disable IPV6_CLASS */ 1253 #define IPV6_USE_MIN_MTU 0x20 /* send packets with minimum MTU */ 1254 #define IPV6_DONTFRAG 0x21 /* don't fragment packets */ 1255 #define IPV6_SEC_OPT 0x22 /* Used to set IPSEC options */ 1256 #define IPV6_SRC_PREFERENCES 0x23 /* Control socket's src addr select */ 1257 #define IPV6_RECVPATHMTU 0x24 /* receive PMTU info */ 1258 #define IPV6_PATHMTU 0x25 /* get the PMTU */ 1259 #define IPV6_TCLASS 0x26 /* traffic class */ 1260 #define IPV6_V6ONLY 0x27 /* v6 only socket option */ 1261 1262 /* 1263 * enable/disable receipt of both both IPV6_DSTOPTS headers. 1264 */ 1265 #define IPV6_RECVDSTOPTS 0x28 1266 1267 /* 1268 * protocol-independent multicast membership options. 1269 */ 1270 #define MCAST_JOIN_GROUP 0x29 /* join group for all sources */ 1271 #define MCAST_LEAVE_GROUP 0x2a /* leave group */ 1272 #define MCAST_BLOCK_SOURCE 0x2b /* block specified source */ 1273 #define MCAST_UNBLOCK_SOURCE 0x2c /* unblock specified source */ 1274 #define MCAST_JOIN_SOURCE_GROUP 0x2d /* join group for specified source */ 1275 #define MCAST_LEAVE_SOURCE_GROUP 0x2e /* leave source/group pair */ 1276 1277 /* 32Bit field for IPV6_SRC_PREFERENCES */ 1278 #define IPV6_PREFER_SRC_HOME 0x00000001 1279 #define IPV6_PREFER_SRC_COA 0x00000002 1280 #define IPV6_PREFER_SRC_PUBLIC 0x00000004 1281 #define IPV6_PREFER_SRC_TMP 0x00000008 1282 #define IPV6_PREFER_SRC_NONCGA 0x00000010 1283 #define IPV6_PREFER_SRC_CGA 0x00000020 1284 1285 #define IPV6_PREFER_SRC_MIPMASK (IPV6_PREFER_SRC_HOME | IPV6_PREFER_SRC_COA) 1286 #define IPV6_PREFER_SRC_MIPDEFAULT IPV6_PREFER_SRC_HOME 1287 #define IPV6_PREFER_SRC_TMPMASK (IPV6_PREFER_SRC_PUBLIC | IPV6_PREFER_SRC_TMP) 1288 #define IPV6_PREFER_SRC_TMPDEFAULT IPV6_PREFER_SRC_PUBLIC 1289 #define IPV6_PREFER_SRC_CGAMASK (IPV6_PREFER_SRC_NONCGA | IPV6_PREFER_SRC_CGA) 1290 #define IPV6_PREFER_SRC_CGADEFAULT IPV6_PREFER_SRC_NONCGA 1291 1292 #define IPV6_PREFER_SRC_MASK (IPV6_PREFER_SRC_MIPMASK |\ 1293 IPV6_PREFER_SRC_TMPMASK | IPV6_PREFER_SRC_CGAMASK) 1294 1295 #define IPV6_PREFER_SRC_DEFAULT (IPV6_PREFER_SRC_MIPDEFAULT |\ 1296 IPV6_PREFER_SRC_TMPDEFAULT | IPV6_PREFER_SRC_CGADEFAULT) 1297 1298 /* 1299 * SunOS private (potentially not portable) IPV6_ option names 1300 */ 1301 #define IPV6_BOUND_IF 0x41 /* bind to an ifindex */ 1302 #define IPV6_UNSPEC_SRC 0x42 /* source of packets set to */ 1303 /* unspecified (all zeros) */ 1304 1305 /* 1306 * Miscellaneous IPv6 constants. 1307 */ 1308 #define IPV6_PAD1_OPT 0 /* pad byte in IPv6 extension hdrs */ 1309 1310 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 1311 1312 /* 1313 * Extern declarations for pre-defined global const variables 1314 */ 1315 #if !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) 1316 #ifndef _KERNEL 1317 #ifdef __STDC__ 1318 extern const struct in6_addr in6addr_any; 1319 extern const struct in6_addr in6addr_loopback; 1320 #else 1321 extern struct in6_addr in6addr_any; 1322 extern struct in6_addr in6addr_loopback; 1323 #endif 1324 #endif 1325 #endif /* !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) */ 1326 1327 #ifdef __cplusplus 1328 } 1329 #endif 1330 1331 #endif /* _NETINET_IN_H */ 1332