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 * Copyright 2020 OmniOS Community Edition (OmniOSce) Association. 7 */ 8 /* 9 * Copyright (c) 1982, 1986 Regents of the University of California. 10 * All rights reserved. 11 * 12 * Redistribution and use in source and binary forms are permitted 13 * provided that this notice is preserved and that due credit is given 14 * to the University of California at Berkeley. The name of the University 15 * may not be used to endorse or promote products derived from this 16 * software without specific prior written permission. This software 17 * is provided ``as is'' without express or implied warranty. 18 */ 19 20 /* 21 * Constants and structures defined by the internet system, 22 * according to following documents 23 * 24 * Internet ASSIGNED NUMBERS (RFC1700) and its successors: 25 * http://www.iana.org/assignments/protocol-numbers 26 * http://www.iana.org/assignments/port-numbers 27 * Basic Socket Interface Extensions for IPv6 (RFC2133 and its successors) 28 * 29 */ 30 31 #ifndef _NETINET_IN_H 32 #define _NETINET_IN_H 33 34 #include <sys/feature_tests.h> 35 36 #ifdef __cplusplus 37 extern "C" { 38 #endif 39 40 #include <sys/types.h> 41 42 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 43 #include <sys/socket_impl.h> 44 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 45 46 #ifndef _SOCKLEN_T 47 #define _SOCKLEN_T 48 49 /* 50 * The socklen definitions are reproduced here from sys/socket.h so as to 51 * not introduce that namespace into existing users of netinet/in.h. 52 */ 53 #if defined(_XPG4_2) && !defined(_XPG5) && !defined(_LP64) 54 typedef size_t socklen_t; 55 #else 56 typedef uint32_t socklen_t; 57 #endif /* defined(_XPG4_2) && !defined(_XPG5) && !defined(_LP64) */ 58 59 #if defined(_XPG4_2) || defined(_BOOT) 60 typedef socklen_t *Psocklen_t; 61 #else 62 typedef void *Psocklen_t; 63 #endif /* defined(_XPG4_2) || defined(_BOOT) */ 64 65 #endif /* _SOCKLEN_T */ 66 67 /* 68 * Symbols such as htonl() are required to be exposed through this file, 69 * per XNS Issue 5. This is achieved by inclusion of <sys/byteorder.h> 70 */ 71 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) || defined(_XPG5) 72 #include <sys/byteorder.h> 73 #endif 74 75 #ifndef _IN_PORT_T 76 #define _IN_PORT_T 77 typedef uint16_t in_port_t; 78 #endif 79 80 /* 81 * Note: IPv4 address data structures usage conventions. 82 * The "in_addr_t" type below (required by Unix standards) 83 * is NOT a typedef of "struct in_addr" and violates the usual 84 * conventions where "struct <name>" and <name>_t are corresponding 85 * typedefs. 86 * To minimize confusion, kernel data structures/usage prefers use 87 * of "ipaddr_t" as atomic uint32_t type and avoid using "in_addr_t" 88 * The user level APIs continue to follow the historic popular 89 * practice of using "struct in_addr". 90 */ 91 #ifndef _IN_ADDR_T 92 #define _IN_ADDR_T 93 typedef uint32_t in_addr_t; 94 #endif 95 96 #ifndef _IPADDR_T 97 #define _IPADDR_T 98 typedef uint32_t ipaddr_t; 99 #endif 100 101 #if !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) 102 103 struct in6_addr { 104 union { 105 /* 106 * Note: Static initalizers of "union" type assume 107 * the constant on the RHS is the type of the first member 108 * of union. 109 * To make static initializers (and efficient usage) work, 110 * the order of members exposed to user and kernel view of 111 * this data structure is different. 112 * User environment sees specified uint8_t type as first 113 * member whereas kernel sees most efficient type as 114 * first member. 115 */ 116 #ifdef _KERNEL 117 uint32_t _S6_u32[4]; /* IPv6 address */ 118 uint16_t _S6_u16[8]; /* IPv6 address */ 119 uint8_t _S6_u8[16]; /* IPv6 address */ 120 #else 121 uint8_t _S6_u8[16]; /* IPv6 address */ 122 uint16_t _S6_u16[8]; /* IPv6 address */ 123 uint32_t _S6_u32[4]; /* IPv6 address */ 124 #endif 125 uint32_t __S6_align; /* Align on 32 bit boundary */ 126 } _S6_un; 127 }; 128 #define s6_addr _S6_un._S6_u8 129 130 #ifdef _KERNEL 131 #define s6_addr8 _S6_un._S6_u8 132 #define s6_addr16 _S6_un._S6_u16 133 #define s6_addr32 _S6_un._S6_u32 134 #endif 135 136 typedef struct in6_addr in6_addr_t; 137 138 #endif /* !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) */ 139 140 #ifndef _SA_FAMILY_T 141 #define _SA_FAMILY_T 142 typedef uint16_t sa_family_t; 143 #endif 144 145 /* 146 * Protocols 147 * 148 * Some of these constant names are copied for the DTrace IP provider in 149 * usr/src/lib/libdtrace/common/{ip.d.in, ip.sed.in}, which should be kept 150 * in sync. 151 */ 152 #define IPPROTO_IP 0 /* dummy for IP */ 153 #define IPPROTO_HOPOPTS 0 /* Hop by hop header for IPv6 */ 154 #define IPPROTO_ICMP 1 /* control message protocol */ 155 #define IPPROTO_IGMP 2 /* group control protocol */ 156 #define IPPROTO_GGP 3 /* gateway^2 (deprecated) */ 157 #define IPPROTO_ENCAP 4 /* IP in IP encapsulation */ 158 #define IPPROTO_TCP 6 /* tcp */ 159 #define IPPROTO_EGP 8 /* exterior gateway protocol */ 160 #define IPPROTO_PUP 12 /* pup */ 161 #define IPPROTO_UDP 17 /* user datagram protocol */ 162 #define IPPROTO_IDP 22 /* xns idp */ 163 #define IPPROTO_IPV6 41 /* IPv6 encapsulated in IP */ 164 #define IPPROTO_ROUTING 43 /* Routing header for IPv6 */ 165 #define IPPROTO_FRAGMENT 44 /* Fragment header for IPv6 */ 166 #define IPPROTO_RSVP 46 /* rsvp */ 167 #define IPPROTO_ESP 50 /* IPsec Encap. Sec. Payload */ 168 #define IPPROTO_AH 51 /* IPsec Authentication Hdr. */ 169 #define IPPROTO_ICMPV6 58 /* ICMP for IPv6 */ 170 #define IPPROTO_NONE 59 /* No next header for IPv6 */ 171 #define IPPROTO_DSTOPTS 60 /* Destination options */ 172 #define IPPROTO_HELLO 63 /* "hello" routing protocol */ 173 #define IPPROTO_ND 77 /* UNOFFICIAL net disk proto */ 174 #define IPPROTO_EON 80 /* ISO clnp */ 175 #define IPPROTO_OSPF 89 /* OSPF */ 176 #define IPPROTO_PIM 103 /* PIM routing protocol */ 177 #define IPPROTO_SCTP 132 /* Stream Control */ 178 /* Transmission Protocol */ 179 180 #define IPPROTO_RAW 255 /* raw IP packet */ 181 #define IPPROTO_MAX 256 182 183 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 184 #define PROTO_SDP 257 /* Sockets Direct Protocol */ 185 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 186 187 /* 188 * Port/socket numbers: network standard functions 189 * 190 * Entries should exist here for each port number compiled into an ON 191 * component, such as snoop. 192 */ 193 #define IPPORT_ECHO 7 194 #define IPPORT_DISCARD 9 195 #define IPPORT_SYSTAT 11 196 #define IPPORT_DAYTIME 13 197 #define IPPORT_NETSTAT 15 198 #define IPPORT_CHARGEN 19 199 #define IPPORT_FTP 21 200 #define IPPORT_TELNET 23 201 #define IPPORT_SMTP 25 202 #define IPPORT_TIMESERVER 37 203 #define IPPORT_NAMESERVER 42 204 #define IPPORT_WHOIS 43 205 #define IPPORT_DOMAIN 53 206 #define IPPORT_MDNS 5353 207 #define IPPORT_MTP 57 208 209 /* 210 * Port/socket numbers: host specific functions 211 */ 212 #define IPPORT_BOOTPS 67 213 #define IPPORT_BOOTPC 68 214 #define IPPORT_TFTP 69 215 #define IPPORT_RJE 77 216 #define IPPORT_FINGER 79 217 #define IPPORT_HTTP 80 218 #define IPPORT_HTTP_ALT 8080 219 #define IPPORT_TTYLINK 87 220 #define IPPORT_SUPDUP 95 221 #define IPPORT_NTP 123 222 #define IPPORT_NETBIOS_NS 137 223 #define IPPORT_NETBIOS_DGM 138 224 #define IPPORT_NETBIOS_SSN 139 225 #define IPPORT_LDAP 389 226 #define IPPORT_SLP 427 227 #define IPPORT_MIP 434 228 #define IPPORT_SMB 445 /* a.k.a. microsoft-ds */ 229 230 /* 231 * Internet Key Exchange (IKE) ports 232 */ 233 #define IPPORT_IKE 500 234 #define IPPORT_IKE_NATT 4500 235 236 /* 237 * UNIX TCP sockets 238 */ 239 #define IPPORT_EXECSERVER 512 240 #define IPPORT_LOGINSERVER 513 241 #define IPPORT_CMDSERVER 514 242 #define IPPORT_PRINTER 515 243 #define IPPORT_EFSSERVER 520 244 245 /* 246 * UNIX UDP sockets 247 */ 248 #define IPPORT_BIFFUDP 512 249 #define IPPORT_WHOSERVER 513 250 #define IPPORT_SYSLOG 514 251 #define IPPORT_TALK 517 252 #define IPPORT_ROUTESERVER 520 253 #define IPPORT_RIPNG 521 254 255 /* 256 * DHCPv6 UDP ports 257 */ 258 #define IPPORT_DHCPV6C 546 259 #define IPPORT_DHCPV6S 547 260 261 #define IPPORT_SOCKS 1080 262 263 /* 264 * Ports < IPPORT_RESERVED are reserved for 265 * privileged processes (e.g. root). 266 * Ports > IPPORT_USERRESERVED are reserved 267 * for servers, not necessarily privileged. 268 */ 269 #define IPPORT_RESERVED 1024 270 #define IPPORT_USERRESERVED 5000 271 272 /* 273 * Link numbers 274 */ 275 #define IMPLINK_IP 155 276 #define IMPLINK_LOWEXPER 156 277 #define IMPLINK_HIGHEXPER 158 278 279 /* 280 * IPv4 Internet address 281 * This definition contains obsolete fields for compatibility 282 * with SunOS 3.x and 4.2bsd. The presence of subnets renders 283 * divisions into fixed fields misleading at best. New code 284 * should use only the s_addr field. 285 */ 286 287 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 288 #define _S_un_b S_un_b 289 #define _S_un_w S_un_w 290 #define _S_addr S_addr 291 #define _S_un S_un 292 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 293 294 struct in_addr { 295 union { 296 struct { uint8_t s_b1, s_b2, s_b3, s_b4; } _S_un_b; 297 struct { uint16_t s_w1, s_w2; } _S_un_w; 298 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 299 uint32_t _S_addr; 300 #else 301 in_addr_t _S_addr; 302 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 303 } _S_un; 304 #define s_addr _S_un._S_addr /* should be used for all code */ 305 #define s_host _S_un._S_un_b.s_b2 /* OBSOLETE: host on imp */ 306 #define s_net _S_un._S_un_b.s_b1 /* OBSOLETE: network */ 307 #define s_imp _S_un._S_un_w.s_w2 /* OBSOLETE: imp */ 308 #define s_impno _S_un._S_un_b.s_b4 /* OBSOLETE: imp # */ 309 #define s_lh _S_un._S_un_b.s_b3 /* OBSOLETE: logical host */ 310 }; 311 312 /* 313 * Definitions of bits in internet address integers. 314 * On subnets, the decomposition of addresses to host and net parts 315 * is done according to subnet mask, not the masks here. 316 * 317 * Note that with the introduction of CIDR, IN_CLASSA, IN_CLASSB, 318 * IN_CLASSC, IN_CLASSD and IN_CLASSE macros have become "de-facto 319 * obsolete". IN_MULTICAST macro should be used to test if a address 320 * is a multicast address. 321 */ 322 #define IN_CLASSA(i) (((i) & 0x80000000U) == 0) 323 #define IN_CLASSA_NET 0xff000000U 324 #define IN_CLASSA_NSHIFT 24 325 #define IN_CLASSA_HOST 0x00ffffffU 326 #define IN_CLASSA_MAX 128 327 328 #define IN_CLASSB(i) (((i) & 0xc0000000U) == 0x80000000U) 329 #define IN_CLASSB_NET 0xffff0000U 330 #define IN_CLASSB_NSHIFT 16 331 #define IN_CLASSB_HOST 0x0000ffffU 332 #define IN_CLASSB_MAX 65536 333 334 #define IN_CLASSC(i) (((i) & 0xe0000000U) == 0xc0000000U) 335 #define IN_CLASSC_NET 0xffffff00U 336 #define IN_CLASSC_NSHIFT 8 337 #define IN_CLASSC_HOST 0x000000ffU 338 339 #define IN_CLASSD(i) (((i) & 0xf0000000U) == 0xe0000000U) 340 #define IN_CLASSD_NET 0xf0000000U /* These aren't really */ 341 #define IN_CLASSD_NSHIFT 28 /* net and host fields, but */ 342 #define IN_CLASSD_HOST 0x0fffffffU /* routing needn't know */ 343 344 #define IN_CLASSE(i) (((i) & 0xf0000000U) == 0xf0000000U) 345 #define IN_CLASSE_NET 0xffffffffU 346 347 #define IN_MULTICAST(i) IN_CLASSD(i) 348 349 /* 350 * We have removed CLASS E checks from the kernel 351 * But we preserve these defines for userland in order 352 * to avoid compile breakage of some 3rd party piece of software 353 */ 354 #ifndef _KERNEL 355 #define IN_EXPERIMENTAL(i) (((i) & 0xe0000000U) == 0xe0000000U) 356 #define IN_BADCLASS(i) (((i) & 0xf0000000U) == 0xf0000000U) 357 #endif 358 359 #define INADDR_ANY 0x00000000U 360 #define INADDR_LOOPBACK 0x7F000001U 361 #define INADDR_BROADCAST 0xffffffffU /* must be masked */ 362 #define INADDR_NONE 0xffffffffU 363 364 #define INADDR_UNSPEC_GROUP 0xe0000000U /* 224.0.0.0 */ 365 #define INADDR_ALLHOSTS_GROUP 0xe0000001U /* 224.0.0.1 */ 366 #define INADDR_ALLRTRS_GROUP 0xe0000002U /* 224.0.0.2 */ 367 #define INADDR_ALLRPTS_GROUP 0xe0000016U /* 224.0.0.22, IGMPv3 */ 368 #define INADDR_MAX_LOCAL_GROUP 0xe00000ffU /* 224.0.0.255 */ 369 370 /* Scoped IPv4 prefixes (in host byte-order) */ 371 #define IN_AUTOCONF_NET 0xa9fe0000U /* 169.254/16 */ 372 #define IN_AUTOCONF_MASK 0xffff0000U 373 #define IN_PRIVATE8_NET 0x0a000000U /* 10/8 */ 374 #define IN_PRIVATE8_MASK 0xff000000U 375 #define IN_PRIVATE12_NET 0xac100000U /* 172.16/12 */ 376 #define IN_PRIVATE12_MASK 0xfff00000U 377 #define IN_PRIVATE16_NET 0xc0a80000U /* 192.168/16 */ 378 #define IN_PRIVATE16_MASK 0xffff0000U 379 380 /* RFC 3927 IPv4 link local address (i in host byte-order) */ 381 #define IN_LINKLOCAL(i) (((i) & IN_AUTOCONF_MASK) == IN_AUTOCONF_NET) 382 383 /* Well known 6to4 Relay Router Anycast address defined in RFC 3068 */ 384 #if !defined(_XPG4_2) || !defined(__EXTENSIONS__) 385 #define INADDR_6TO4RRANYCAST 0xc0586301U /* 192.88.99.1 */ 386 #endif /* !defined(_XPG4_2) || !defined(__EXTENSIONS__) */ 387 388 #define IN_LOOPBACKNET 127 /* official! */ 389 390 /* 391 * Define a macro to stuff the loopback address into an Internet address 392 */ 393 #if !defined(_XPG4_2) || !defined(__EXTENSIONS__) 394 #define IN_SET_LOOPBACK_ADDR(a) \ 395 { (a)->sin_addr.s_addr = htonl(INADDR_LOOPBACK); \ 396 (a)->sin_family = AF_INET; } 397 #endif /* !defined(_XPG4_2) || !defined(__EXTENSIONS__) */ 398 399 /* 400 * IPv4 Socket address. 401 */ 402 struct sockaddr_in { 403 sa_family_t sin_family; 404 in_port_t sin_port; 405 struct in_addr sin_addr; 406 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 407 char sin_zero[8]; 408 #else 409 unsigned char sin_zero[8]; 410 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 411 }; 412 413 #if !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) 414 /* 415 * IPv6 socket address. 416 */ 417 struct sockaddr_in6 { 418 sa_family_t sin6_family; 419 in_port_t sin6_port; 420 uint32_t sin6_flowinfo; 421 struct in6_addr sin6_addr; 422 uint32_t sin6_scope_id; /* Depends on scope of sin6_addr */ 423 uint32_t __sin6_src_id; /* Impl. specific - UDP replies */ 424 }; 425 426 /* 427 * Macros for accessing the traffic class and flow label fields from 428 * sin6_flowinfo. 429 * These are designed to be applied to a 32-bit value. 430 */ 431 #ifdef _BIG_ENDIAN 432 433 /* masks */ 434 #define IPV6_FLOWINFO_FLOWLABEL 0x000fffffU 435 #define IPV6_FLOWINFO_TCLASS 0x0ff00000U 436 437 #else /* _BIG_ENDIAN */ 438 439 /* masks */ 440 #define IPV6_FLOWINFO_FLOWLABEL 0xffff0f00U 441 #define IPV6_FLOWINFO_TCLASS 0x0000f00fU 442 443 #endif /* _BIG_ENDIAN */ 444 445 /* 446 * Note: Macros IN6ADDR_ANY_INIT and IN6ADDR_LOOPBACK_INIT are for 447 * use as RHS of Static initializers of "struct in6_addr" (or in6_addr_t) 448 * only. They need to be different for User/Kernel versions because union 449 * component data structure is defined differently (it is identical at 450 * binary representation level). 451 * 452 * const struct in6_addr IN6ADDR_ANY_INIT; 453 * const struct in6_addr IN6ADDR_LOOPBACK_INIT; 454 */ 455 456 457 #ifdef _KERNEL 458 #define IN6ADDR_ANY_INIT { 0, 0, 0, 0 } 459 460 #ifdef _BIG_ENDIAN 461 #define IN6ADDR_LOOPBACK_INIT { 0, 0, 0, 0x00000001U } 462 #else /* _BIG_ENDIAN */ 463 #define IN6ADDR_LOOPBACK_INIT { 0, 0, 0, 0x01000000U } 464 #endif /* _BIG_ENDIAN */ 465 466 #else 467 468 #define IN6ADDR_ANY_INIT { 0, 0, 0, 0, \ 469 0, 0, 0, 0, \ 470 0, 0, 0, 0, \ 471 0, 0, 0, 0 } 472 473 #define IN6ADDR_LOOPBACK_INIT { 0, 0, 0, 0, \ 474 0, 0, 0, 0, \ 475 0, 0, 0, 0, \ 476 0, 0, 0, 0x1U } 477 #endif /* _KERNEL */ 478 479 /* 480 * RFC 2553 specifies the following macros. Their type is defined 481 * as "int" in the RFC but they only have boolean significance 482 * (zero or non-zero). For the purposes of our comment notation, 483 * we assume a hypothetical type "bool" defined as follows to 484 * write the prototypes assumed for macros in our comments better. 485 * 486 * typedef int bool; 487 */ 488 489 /* 490 * IN6 macros used to test for special IPv6 addresses 491 * (Mostly from spec) 492 * 493 * bool IN6_IS_ADDR_UNSPECIFIED (const struct in6_addr *); 494 * bool IN6_IS_ADDR_LOOPBACK (const struct in6_addr *); 495 * bool IN6_IS_ADDR_MULTICAST (const struct in6_addr *); 496 * bool IN6_IS_ADDR_LINKLOCAL (const struct in6_addr *); 497 * bool IN6_IS_ADDR_SITELOCAL (const struct in6_addr *); 498 * bool IN6_IS_ADDR_V4MAPPED (const struct in6_addr *); 499 * bool IN6_IS_ADDR_V4MAPPED_ANY(const struct in6_addr *); -- Not from RFC2553 500 * bool IN6_IS_ADDR_V4COMPAT (const struct in6_addr *); 501 * bool IN6_IS_ADDR_MC_RESERVED (const struct in6_addr *); -- Not from RFC2553 502 * bool IN6_IS_ADDR_MC_NODELOCAL(const struct in6_addr *); 503 * bool IN6_IS_ADDR_MC_LINKLOCAL(const struct in6_addr *); 504 * bool IN6_IS_ADDR_MC_SITELOCAL(const struct in6_addr *); 505 * bool IN6_IS_ADDR_MC_ORGLOCAL (const struct in6_addr *); 506 * bool IN6_IS_ADDR_MC_GLOBAL (const struct in6_addr *); 507 * bool IN6_IS_ADDR_6TO4 (const struct in6_addr *); -- Not from RFC2553 508 * bool IN6_ARE_6TO4_PREFIX_EQUAL(const struct in6_addr *, 509 * const struct in6_addr *); -- Not from RFC2553 510 * bool IN6_IS_ADDR_LINKSCOPE (const struct in6addr *); -- Not from RFC2553 511 */ 512 513 #define IN6_IS_ADDR_UNSPECIFIED(addr) \ 514 (((addr)->_S6_un._S6_u32[3] == 0) && \ 515 ((addr)->_S6_un._S6_u32[2] == 0) && \ 516 ((addr)->_S6_un._S6_u32[1] == 0) && \ 517 ((addr)->_S6_un._S6_u32[0] == 0)) 518 519 #ifdef _BIG_ENDIAN 520 #define IN6_IS_ADDR_LOOPBACK(addr) \ 521 (((addr)->_S6_un._S6_u32[3] == 0x00000001) && \ 522 ((addr)->_S6_un._S6_u32[2] == 0) && \ 523 ((addr)->_S6_un._S6_u32[1] == 0) && \ 524 ((addr)->_S6_un._S6_u32[0] == 0)) 525 #else /* _BIG_ENDIAN */ 526 #define IN6_IS_ADDR_LOOPBACK(addr) \ 527 (((addr)->_S6_un._S6_u32[3] == 0x01000000) && \ 528 ((addr)->_S6_un._S6_u32[2] == 0) && \ 529 ((addr)->_S6_un._S6_u32[1] == 0) && \ 530 ((addr)->_S6_un._S6_u32[0] == 0)) 531 #endif /* _BIG_ENDIAN */ 532 533 #ifdef _BIG_ENDIAN 534 #define IN6_IS_ADDR_MULTICAST(addr) \ 535 (((addr)->_S6_un._S6_u32[0] & 0xff000000) == 0xff000000) 536 #else /* _BIG_ENDIAN */ 537 #define IN6_IS_ADDR_MULTICAST(addr) \ 538 (((addr)->_S6_un._S6_u32[0] & 0x000000ff) == 0x000000ff) 539 #endif /* _BIG_ENDIAN */ 540 541 #ifdef _BIG_ENDIAN 542 #define IN6_IS_ADDR_LINKLOCAL(addr) \ 543 (((addr)->_S6_un._S6_u32[0] & 0xffc00000) == 0xfe800000) 544 #else /* _BIG_ENDIAN */ 545 #define IN6_IS_ADDR_LINKLOCAL(addr) \ 546 (((addr)->_S6_un._S6_u32[0] & 0x0000c0ff) == 0x000080fe) 547 #endif /* _BIG_ENDIAN */ 548 549 #ifdef _BIG_ENDIAN 550 #define IN6_IS_ADDR_SITELOCAL(addr) \ 551 (((addr)->_S6_un._S6_u32[0] & 0xffc00000) == 0xfec00000) 552 #else /* _BIG_ENDIAN */ 553 #define IN6_IS_ADDR_SITELOCAL(addr) \ 554 (((addr)->_S6_un._S6_u32[0] & 0x0000c0ff) == 0x0000c0fe) 555 #endif /* _BIG_ENDIAN */ 556 557 #ifdef _BIG_ENDIAN 558 #define IN6_IS_ADDR_V4MAPPED(addr) \ 559 (((addr)->_S6_un._S6_u32[2] == 0x0000ffff) && \ 560 ((addr)->_S6_un._S6_u32[1] == 0) && \ 561 ((addr)->_S6_un._S6_u32[0] == 0)) 562 #else /* _BIG_ENDIAN */ 563 #define IN6_IS_ADDR_V4MAPPED(addr) \ 564 (((addr)->_S6_un._S6_u32[2] == 0xffff0000U) && \ 565 ((addr)->_S6_un._S6_u32[1] == 0) && \ 566 ((addr)->_S6_un._S6_u32[0] == 0)) 567 #endif /* _BIG_ENDIAN */ 568 569 /* 570 * IN6_IS_ADDR_V4MAPPED - A IPv4 mapped INADDR_ANY 571 * Note: This macro is currently NOT defined in RFC2553 specification 572 * and not a standard macro that portable applications should use. 573 */ 574 #ifdef _BIG_ENDIAN 575 #define IN6_IS_ADDR_V4MAPPED_ANY(addr) \ 576 (((addr)->_S6_un._S6_u32[3] == 0) && \ 577 ((addr)->_S6_un._S6_u32[2] == 0x0000ffff) && \ 578 ((addr)->_S6_un._S6_u32[1] == 0) && \ 579 ((addr)->_S6_un._S6_u32[0] == 0)) 580 #else /* _BIG_ENDIAN */ 581 #define IN6_IS_ADDR_V4MAPPED_ANY(addr) \ 582 (((addr)->_S6_un._S6_u32[3] == 0) && \ 583 ((addr)->_S6_un._S6_u32[2] == 0xffff0000U) && \ 584 ((addr)->_S6_un._S6_u32[1] == 0) && \ 585 ((addr)->_S6_un._S6_u32[0] == 0)) 586 #endif /* _BIG_ENDIAN */ 587 588 /* Exclude loopback and unspecified address */ 589 #ifdef _BIG_ENDIAN 590 #define IN6_IS_ADDR_V4COMPAT(addr) \ 591 (((addr)->_S6_un._S6_u32[2] == 0) && \ 592 ((addr)->_S6_un._S6_u32[1] == 0) && \ 593 ((addr)->_S6_un._S6_u32[0] == 0) && \ 594 !((addr)->_S6_un._S6_u32[3] == 0) && \ 595 !((addr)->_S6_un._S6_u32[3] == 0x00000001)) 596 597 #else /* _BIG_ENDIAN */ 598 #define IN6_IS_ADDR_V4COMPAT(addr) \ 599 (((addr)->_S6_un._S6_u32[2] == 0) && \ 600 ((addr)->_S6_un._S6_u32[1] == 0) && \ 601 ((addr)->_S6_un._S6_u32[0] == 0) && \ 602 !((addr)->_S6_un._S6_u32[3] == 0) && \ 603 !((addr)->_S6_un._S6_u32[3] == 0x01000000)) 604 #endif /* _BIG_ENDIAN */ 605 606 /* 607 * Note: 608 * IN6_IS_ADDR_MC_RESERVED macro is currently NOT defined in RFC2553 609 * specification and not a standard macro that portable applications 610 * should use. 611 */ 612 #ifdef _BIG_ENDIAN 613 #define IN6_IS_ADDR_MC_RESERVED(addr) \ 614 (((addr)->_S6_un._S6_u32[0] & 0xff0f0000) == 0xff000000) 615 616 #else /* _BIG_ENDIAN */ 617 #define IN6_IS_ADDR_MC_RESERVED(addr) \ 618 (((addr)->_S6_un._S6_u32[0] & 0x00000fff) == 0x000000ff) 619 #endif /* _BIG_ENDIAN */ 620 621 #ifdef _BIG_ENDIAN 622 #define IN6_IS_ADDR_MC_NODELOCAL(addr) \ 623 (((addr)->_S6_un._S6_u32[0] & 0xff0f0000) == 0xff010000) 624 #else /* _BIG_ENDIAN */ 625 #define IN6_IS_ADDR_MC_NODELOCAL(addr) \ 626 (((addr)->_S6_un._S6_u32[0] & 0x00000fff) == 0x000001ff) 627 #endif /* _BIG_ENDIAN */ 628 629 #ifdef _BIG_ENDIAN 630 #define IN6_IS_ADDR_MC_LINKLOCAL(addr) \ 631 (((addr)->_S6_un._S6_u32[0] & 0xff0f0000) == 0xff020000) 632 #else /* _BIG_ENDIAN */ 633 #define IN6_IS_ADDR_MC_LINKLOCAL(addr) \ 634 (((addr)->_S6_un._S6_u32[0] & 0x00000fff) == 0x000002ff) 635 #endif /* _BIG_ENDIAN */ 636 637 #ifdef _BIG_ENDIAN 638 #define IN6_IS_ADDR_MC_SITELOCAL(addr) \ 639 (((addr)->_S6_un._S6_u32[0] & 0xff0f0000) == 0xff050000) 640 #else /* _BIG_ENDIAN */ 641 #define IN6_IS_ADDR_MC_SITELOCAL(addr) \ 642 (((addr)->_S6_un._S6_u32[0] & 0x00000fff) == 0x000005ff) 643 #endif /* _BIG_ENDIAN */ 644 645 #ifdef _BIG_ENDIAN 646 #define IN6_IS_ADDR_MC_ORGLOCAL(addr) \ 647 (((addr)->_S6_un._S6_u32[0] & 0xff0f0000) == 0xff080000) 648 #else /* _BIG_ENDIAN */ 649 #define IN6_IS_ADDR_MC_ORGLOCAL(addr) \ 650 (((addr)->_S6_un._S6_u32[0] & 0x00000fff) == 0x000008ff) 651 #endif /* _BIG_ENDIAN */ 652 653 #ifdef _BIG_ENDIAN 654 #define IN6_IS_ADDR_MC_GLOBAL(addr) \ 655 (((addr)->_S6_un._S6_u32[0] & 0xff0f0000) == 0xff0e0000) 656 #else /* _BIG_ENDIAN */ 657 #define IN6_IS_ADDR_MC_GLOBAL(addr) \ 658 (((addr)->_S6_un._S6_u32[0] & 0x00000fff) == 0x00000eff) 659 #endif /* _BIG_ENDIAN */ 660 661 /* 662 * The IN6_IS_ADDR_MC_SOLICITEDNODE macro is not defined in any standard or 663 * RFC, and shouldn't be used by portable applications. It is used to see 664 * if an address is a solicited-node multicast address, which is prefixed 665 * with ff02:0:0:0:0:1:ff00::/104. 666 */ 667 #ifdef _BIG_ENDIAN 668 #define IN6_IS_ADDR_MC_SOLICITEDNODE(addr) \ 669 (((addr)->_S6_un._S6_u32[0] == 0xff020000) && \ 670 ((addr)->_S6_un._S6_u32[1] == 0x00000000) && \ 671 ((addr)->_S6_un._S6_u32[2] == 0x00000001) && \ 672 (((addr)->_S6_un._S6_u32[3] & 0xff000000) == 0xff000000)) 673 #else 674 #define IN6_IS_ADDR_MC_SOLICITEDNODE(addr) \ 675 (((addr)->_S6_un._S6_u32[0] == 0x000002ff) && \ 676 ((addr)->_S6_un._S6_u32[1] == 0x00000000) && \ 677 ((addr)->_S6_un._S6_u32[2] == 0x01000000) && \ 678 (((addr)->_S6_un._S6_u32[3] & 0x000000ff) == 0x000000ff)) 679 #endif 680 681 /* 682 * Macros to a) test for 6to4 IPv6 address, and b) to test if two 683 * 6to4 addresses have the same /48 prefix, and, hence, are from the 684 * same 6to4 site. 685 */ 686 687 #ifdef _BIG_ENDIAN 688 #define IN6_IS_ADDR_6TO4(addr) \ 689 (((addr)->_S6_un._S6_u32[0] & 0xffff0000) == 0x20020000) 690 #else /* _BIG_ENDIAN */ 691 #define IN6_IS_ADDR_6TO4(addr) \ 692 (((addr)->_S6_un._S6_u32[0] & 0x0000ffff) == 0x00000220) 693 #endif /* _BIG_ENDIAN */ 694 695 #define IN6_ARE_6TO4_PREFIX_EQUAL(addr1, addr2) \ 696 (((addr1)->_S6_un._S6_u32[0] == (addr2)->_S6_un._S6_u32[0]) && \ 697 ((addr1)->_S6_un._S6_u8[4] == (addr2)->_S6_un._S6_u8[4]) && \ 698 ((addr1)->_S6_un._S6_u8[5] == (addr2)->_S6_un._S6_u8[5])) 699 700 /* 701 * IN6_IS_ADDR_LINKSCOPE 702 * Identifies an address as being either link-local, link-local multicast or 703 * node-local multicast. All types of addresses are considered to be unique 704 * within the scope of a given link. 705 */ 706 #define IN6_IS_ADDR_LINKSCOPE(addr) \ 707 (IN6_IS_ADDR_LINKLOCAL(addr) || IN6_IS_ADDR_MC_LINKLOCAL(addr) || \ 708 IN6_IS_ADDR_MC_NODELOCAL(addr)) 709 710 /* 711 * Useful utility macros for operations with IPv6 addresses 712 * Note: These macros are NOT defined in the RFC2553 or any other 713 * standard specification and are not standard macros that portable 714 * applications should use. 715 */ 716 717 /* 718 * IN6_V4MAPPED_TO_INADDR 719 * IN6_V4MAPPED_TO_IPADDR 720 * Assign a IPv4-Mapped IPv6 address to an IPv4 address. 721 * Note: These macros are NOT defined in RFC2553 or any other standard 722 * specification and are not macros that portable applications should 723 * use. 724 * 725 * void IN6_V4MAPPED_TO_INADDR(const in6_addr_t *v6, struct in_addr *v4); 726 * void IN6_V4MAPPED_TO_IPADDR(const in6_addr_t *v6, ipaddr_t v4); 727 * 728 */ 729 #define IN6_V4MAPPED_TO_INADDR(v6, v4) \ 730 ((v4)->s_addr = (v6)->_S6_un._S6_u32[3]) 731 #define IN6_V4MAPPED_TO_IPADDR(v6, v4) \ 732 ((v4) = (v6)->_S6_un._S6_u32[3]) 733 734 /* 735 * IN6_INADDR_TO_V4MAPPED 736 * IN6_IPADDR_TO_V4MAPPED 737 * Assign a IPv4 address address to an IPv6 address as a IPv4-mapped 738 * address. 739 * Note: These macros are NOT defined in RFC2553 or any other standard 740 * specification and are not macros that portable applications should 741 * use. 742 * 743 * void IN6_INADDR_TO_V4MAPPED(const struct in_addr *v4, in6_addr_t *v6); 744 * void IN6_IPADDR_TO_V4MAPPED(const ipaddr_t v4, in6_addr_t *v6); 745 * 746 */ 747 #ifdef _BIG_ENDIAN 748 #define IN6_INADDR_TO_V4MAPPED(v4, v6) \ 749 ((v6)->_S6_un._S6_u32[3] = (v4)->s_addr, \ 750 (v6)->_S6_un._S6_u32[2] = 0x0000ffff, \ 751 (v6)->_S6_un._S6_u32[1] = 0, \ 752 (v6)->_S6_un._S6_u32[0] = 0) 753 #define IN6_IPADDR_TO_V4MAPPED(v4, v6) \ 754 ((v6)->_S6_un._S6_u32[3] = (v4), \ 755 (v6)->_S6_un._S6_u32[2] = 0x0000ffff, \ 756 (v6)->_S6_un._S6_u32[1] = 0, \ 757 (v6)->_S6_un._S6_u32[0] = 0) 758 #else /* _BIG_ENDIAN */ 759 #define IN6_INADDR_TO_V4MAPPED(v4, v6) \ 760 ((v6)->_S6_un._S6_u32[3] = (v4)->s_addr, \ 761 (v6)->_S6_un._S6_u32[2] = 0xffff0000U, \ 762 (v6)->_S6_un._S6_u32[1] = 0, \ 763 (v6)->_S6_un._S6_u32[0] = 0) 764 #define IN6_IPADDR_TO_V4MAPPED(v4, v6) \ 765 ((v6)->_S6_un._S6_u32[3] = (v4), \ 766 (v6)->_S6_un._S6_u32[2] = 0xffff0000U, \ 767 (v6)->_S6_un._S6_u32[1] = 0, \ 768 (v6)->_S6_un._S6_u32[0] = 0) 769 #endif /* _BIG_ENDIAN */ 770 771 /* 772 * IN6_6TO4_TO_V4ADDR 773 * Extract the embedded IPv4 address from the prefix to a 6to4 IPv6 774 * address. 775 * Note: This macro is NOT defined in RFC2553 or any other standard 776 * specification and is not a macro that portable applications should 777 * use. 778 * Note: we don't use the IPADDR form of the macro because we need 779 * to do a bytewise copy; the V4ADDR in the 6to4 address is not 780 * 32-bit aligned. 781 * 782 * void IN6_6TO4_TO_V4ADDR(const in6_addr_t *v6, struct in_addr *v4); 783 * 784 */ 785 #define IN6_6TO4_TO_V4ADDR(v6, v4) \ 786 ((v4)->_S_un._S_un_b.s_b1 = (v6)->_S6_un._S6_u8[2], \ 787 (v4)->_S_un._S_un_b.s_b2 = (v6)->_S6_un._S6_u8[3], \ 788 (v4)->_S_un._S_un_b.s_b3 = (v6)->_S6_un._S6_u8[4], \ 789 (v4)->_S_un._S_un_b.s_b4 = (v6)->_S6_un._S6_u8[5]) 790 791 /* 792 * IN6_V4ADDR_TO_6TO4 793 * Given an IPv4 address and an IPv6 address for output, a 6to4 address 794 * will be created from the IPv4 Address. 795 * Note: This method for creating 6to4 addresses is not standardized 796 * outside of Solaris. The newly created 6to4 address will be of the form 797 * 2002:<V4ADDR>:<SUBNETID>::<HOSTID>, where SUBNETID will equal 0 and 798 * HOSTID will equal 1. 799 * 800 * void IN6_V4ADDR_TO_6TO4(const struct in_addr *v4, in6_addr_t *v6) 801 * 802 */ 803 #ifdef _BIG_ENDIAN 804 #define IN6_V4ADDR_TO_6TO4(v4, v6) \ 805 ((v6)->_S6_un._S6_u8[0] = 0x20, \ 806 (v6)->_S6_un._S6_u8[1] = 0x02, \ 807 (v6)->_S6_un._S6_u8[2] = (v4)->_S_un._S_un_b.s_b1, \ 808 (v6)->_S6_un._S6_u8[3] = (v4)->_S_un._S_un_b.s_b2, \ 809 (v6)->_S6_un._S6_u8[4] = (v4)->_S_un._S_un_b.s_b3, \ 810 (v6)->_S6_un._S6_u8[5] = (v4)->_S_un._S_un_b.s_b4, \ 811 (v6)->_S6_un._S6_u8[6] = 0, \ 812 (v6)->_S6_un._S6_u8[7] = 0, \ 813 (v6)->_S6_un._S6_u32[2] = 0, \ 814 (v6)->_S6_un._S6_u32[3] = 0x00000001U) 815 #else 816 #define IN6_V4ADDR_TO_6TO4(v4, v6) \ 817 ((v6)->_S6_un._S6_u8[0] = 0x20, \ 818 (v6)->_S6_un._S6_u8[1] = 0x02, \ 819 (v6)->_S6_un._S6_u8[2] = (v4)->_S_un._S_un_b.s_b1, \ 820 (v6)->_S6_un._S6_u8[3] = (v4)->_S_un._S_un_b.s_b2, \ 821 (v6)->_S6_un._S6_u8[4] = (v4)->_S_un._S_un_b.s_b3, \ 822 (v6)->_S6_un._S6_u8[5] = (v4)->_S_un._S_un_b.s_b4, \ 823 (v6)->_S6_un._S6_u8[6] = 0, \ 824 (v6)->_S6_un._S6_u8[7] = 0, \ 825 (v6)->_S6_un._S6_u32[2] = 0, \ 826 (v6)->_S6_un._S6_u32[3] = 0x01000000U) 827 #endif /* _BIG_ENDIAN */ 828 829 /* 830 * IN6_ARE_ADDR_EQUAL (defined in RFC2292) 831 * Compares if IPv6 addresses are equal. 832 * Note: Compares in order of high likelyhood of a miss so we minimize 833 * compares. (Current heuristic order, compare in reverse order of 834 * uint32_t units) 835 * 836 * bool IN6_ARE_ADDR_EQUAL(const struct in6_addr *, 837 * const struct in6_addr *); 838 */ 839 #define IN6_ARE_ADDR_EQUAL(addr1, addr2) \ 840 (((addr1)->_S6_un._S6_u32[3] == (addr2)->_S6_un._S6_u32[3]) && \ 841 ((addr1)->_S6_un._S6_u32[2] == (addr2)->_S6_un._S6_u32[2]) && \ 842 ((addr1)->_S6_un._S6_u32[1] == (addr2)->_S6_un._S6_u32[1]) && \ 843 ((addr1)->_S6_un._S6_u32[0] == (addr2)->_S6_un._S6_u32[0])) 844 845 /* 846 * IN6_ARE_PREFIXEDADDR_EQUAL (not defined in RFCs) 847 * Compares if prefixed parts of IPv6 addresses are equal. 848 * 849 * uint32_t IN6_MASK_FROM_PREFIX(int, int); 850 * bool IN6_ARE_PREFIXEDADDR_EQUAL(const struct in6_addr *, 851 * const struct in6_addr *, 852 * int); 853 */ 854 #define IN6_MASK_FROM_PREFIX(qoctet, prefix) \ 855 ((((qoctet) + 1) * 32 < (prefix)) ? 0xFFFFFFFFu : \ 856 ((((qoctet) * 32) >= (prefix)) ? 0x00000000u : \ 857 0xFFFFFFFFu << (((qoctet) + 1) * 32 - (prefix)))) 858 859 #define IN6_ARE_PREFIXEDADDR_EQUAL(addr1, addr2, prefix) \ 860 (((ntohl((addr1)->_S6_un._S6_u32[0]) & \ 861 IN6_MASK_FROM_PREFIX(0, prefix)) == \ 862 (ntohl((addr2)->_S6_un._S6_u32[0]) & \ 863 IN6_MASK_FROM_PREFIX(0, prefix))) && \ 864 ((ntohl((addr1)->_S6_un._S6_u32[1]) & \ 865 IN6_MASK_FROM_PREFIX(1, prefix)) == \ 866 (ntohl((addr2)->_S6_un._S6_u32[1]) & \ 867 IN6_MASK_FROM_PREFIX(1, prefix))) && \ 868 ((ntohl((addr1)->_S6_un._S6_u32[2]) & \ 869 IN6_MASK_FROM_PREFIX(2, prefix)) == \ 870 (ntohl((addr2)->_S6_un._S6_u32[2]) & \ 871 IN6_MASK_FROM_PREFIX(2, prefix))) && \ 872 ((ntohl((addr1)->_S6_un._S6_u32[3]) & \ 873 IN6_MASK_FROM_PREFIX(3, prefix)) == \ 874 (ntohl((addr2)->_S6_un._S6_u32[3]) & \ 875 IN6_MASK_FROM_PREFIX(3, prefix)))) 876 877 #endif /* !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) */ 878 879 880 /* 881 * Options for use with [gs]etsockopt at the IP level. 882 * 883 * Note: Some of the IP_ namespace has conflict with and 884 * and is exposed through <xti.h>. (It also requires exposing 885 * options not implemented). The options with potential 886 * for conflicts use #ifndef guards. 887 */ 888 #ifndef IP_OPTIONS 889 #define IP_OPTIONS 1 /* set/get IP per-packet options */ 890 #endif 891 892 #define IP_HDRINCL 2 /* int; header is included with data (raw) */ 893 894 #ifndef IP_TOS 895 #define IP_TOS 3 /* int; IP type of service and precedence */ 896 #endif 897 898 #ifndef IP_TTL 899 #define IP_TTL 4 /* int; IP time to live */ 900 #endif 901 902 #define IP_RECVOPTS 0x5 /* int; receive all IP options w/datagram */ 903 #define IP_RECVRETOPTS 0x6 /* int; receive IP options for response */ 904 #define IP_RECVDSTADDR 0x7 /* int; receive IP dst addr w/datagram */ 905 #define IP_RETOPTS 0x8 /* ip_opts; set/get IP per-packet options */ 906 #define IP_RECVIF 0x9 /* int; receive the inbound interface index */ 907 #define IP_RECVSLLA 0xa /* sockaddr_dl; get source link layer address */ 908 #define IP_RECVTTL 0xb /* uint8_t; get TTL for inbound packet */ 909 #define IP_RECVTOS 0xc /* uint8_t; get TOS for inbound packet */ 910 911 #define IP_MULTICAST_IF 0x10 /* set/get IP multicast interface */ 912 #define IP_MULTICAST_TTL 0x11 /* set/get IP multicast timetolive */ 913 #define IP_MULTICAST_LOOP 0x12 /* set/get IP multicast loopback */ 914 #define IP_ADD_MEMBERSHIP 0x13 /* add an IP group membership */ 915 #define IP_DROP_MEMBERSHIP 0x14 /* drop an IP group membership */ 916 #define IP_BLOCK_SOURCE 0x15 /* block mcast pkts from source */ 917 #define IP_UNBLOCK_SOURCE 0x16 /* unblock mcast pkts from source */ 918 #define IP_ADD_SOURCE_MEMBERSHIP 0x17 /* add mcast group/source pair */ 919 #define IP_DROP_SOURCE_MEMBERSHIP 0x18 /* drop mcast group/source pair */ 920 #define IP_NEXTHOP 0x19 /* send directly to next hop */ 921 /* 922 * IP_PKTINFO and IP_RECVPKTINFO have same value. Size of argument passed in 923 * is used to differentiate b/w the two. 924 */ 925 #define IP_PKTINFO 0x1a /* specify src address and/or index */ 926 #define IP_RECVPKTINFO 0x1a /* recv dest/matched addr and index */ 927 #define IP_DONTFRAG 0x1b /* don't fragment packets */ 928 929 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 930 /* 931 * Different preferences that can be requested from IPSEC protocols. 932 */ 933 #define IP_SEC_OPT 0x22 /* Used to set IPSEC options */ 934 #define IPSEC_PREF_NEVER 0x01 935 #define IPSEC_PREF_REQUIRED 0x02 936 #define IPSEC_PREF_UNIQUE 0x04 937 /* 938 * This can be used with the setsockopt() call to set per socket security 939 * options. When the application uses per-socket API, we will reflect 940 * the request on both outbound and inbound packets. 941 */ 942 943 typedef struct ipsec_req { 944 uint_t ipsr_ah_req; /* AH request */ 945 uint_t ipsr_esp_req; /* ESP request */ 946 uint_t ipsr_self_encap_req; /* Self-Encap request */ 947 uint8_t ipsr_auth_alg; /* Auth algs for AH */ 948 uint8_t ipsr_esp_alg; /* Encr algs for ESP */ 949 uint8_t ipsr_esp_auth_alg; /* Auth algs for ESP */ 950 } ipsec_req_t; 951 952 /* 953 * MCAST_* options are protocol-independent. The actual definitions 954 * are with the v6 options below; this comment is here to note the 955 * namespace usage. 956 * 957 * #define MCAST_JOIN_GROUP 0x29 958 * #define MCAST_LEAVE_GROUP 0x2a 959 * #define MCAST_BLOCK_SOURCE 0x2b 960 * #define MCAST_UNBLOCK_SOURCE 0x2c 961 * #define MCAST_JOIN_SOURCE_GROUP 0x2d 962 * #define MCAST_LEAVE_SOURCE_GROUP 0x2e 963 */ 964 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 965 966 /* 967 * SunOS private (potentially not portable) IP_ option names 968 */ 969 #define IP_BOUND_IF 0x41 /* bind socket to an ifindex */ 970 #define IP_UNSPEC_SRC 0x42 /* use unspecified source address */ 971 #define IP_BROADCAST_TTL 0x43 /* use specific TTL for broadcast */ 972 /* can be reused 0x44 */ 973 #define IP_DHCPINIT_IF 0x45 /* accept all unicast DHCP traffic */ 974 975 /* 976 * Option values and names (when !_XPG5) shared with <xti_inet.h> 977 */ 978 #ifndef IP_REUSEADDR 979 #define IP_REUSEADDR 0x104 980 #endif 981 982 #ifndef IP_DONTROUTE 983 #define IP_DONTROUTE 0x105 984 #endif 985 986 #ifndef IP_BROADCAST 987 #define IP_BROADCAST 0x106 988 #endif 989 990 /* 991 * The following option values are reserved by <xti_inet.h> 992 * 993 * T_IP_OPTIONS 0x107 - IP per-packet options 994 * T_IP_TOS 0x108 - IP per packet type of service 995 */ 996 997 /* 998 * Default value constants for multicast attributes controlled by 999 * IP*_MULTICAST_LOOP and IP*_MULTICAST_{TTL,HOPS} options. 1000 */ 1001 #define IP_DEFAULT_MULTICAST_TTL 1 /* normally limit m'casts to 1 hop */ 1002 #define IP_DEFAULT_MULTICAST_LOOP 1 /* normally hear sends if a member */ 1003 1004 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 1005 /* 1006 * Argument structure for IP_ADD_MEMBERSHIP and IP_DROP_MEMBERSHIP. 1007 */ 1008 struct ip_mreq { 1009 struct in_addr imr_multiaddr; /* IP multicast address of group */ 1010 struct in_addr imr_interface; /* local IP address of interface */ 1011 }; 1012 1013 /* 1014 * Argument structure for IP_BLOCK_SOURCE, IP_UNBLOCK_SOURCE, 1015 * IP_ADD_SOURCE_MEMBERSHIP, and IP_DROP_SOURCE_MEMBERSHIP. 1016 */ 1017 struct ip_mreq_source { 1018 struct in_addr imr_multiaddr; /* IP address of group */ 1019 struct in_addr imr_sourceaddr; /* IP address of source */ 1020 struct in_addr imr_interface; /* IP address of interface */ 1021 }; 1022 1023 /* 1024 * Argument structure for IPV6_JOIN_GROUP and IPV6_LEAVE_GROUP on 1025 * IPv6 addresses. 1026 */ 1027 struct ipv6_mreq { 1028 struct in6_addr ipv6mr_multiaddr; /* IPv6 multicast addr */ 1029 unsigned int ipv6mr_interface; /* interface index */ 1030 }; 1031 1032 /* 1033 * Use #pragma pack() construct to force 32-bit alignment on amd64. 1034 * This is needed to keep the structure size and offsets consistent 1035 * between a 32-bit app and the 64-bit amd64 kernel in structures 1036 * where 64-bit alignment would create gaps (in this case, structures 1037 * which have a uint32_t followed by a struct sockaddr_storage). 1038 */ 1039 #if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4 1040 #pragma pack(4) 1041 #endif 1042 1043 /* 1044 * Argument structure for MCAST_JOIN_GROUP and MCAST_LEAVE_GROUP. 1045 */ 1046 struct group_req { 1047 uint32_t gr_interface; /* interface index */ 1048 struct sockaddr_storage gr_group; /* group address */ 1049 }; 1050 1051 /* 1052 * Argument structure for MCAST_BLOCK_SOURCE, MCAST_UNBLOCK_SOURCE, 1053 * MCAST_JOIN_SOURCE_GROUP, MCAST_LEAVE_SOURCE_GROUP. 1054 */ 1055 struct group_source_req { 1056 uint32_t gsr_interface; /* interface index */ 1057 struct sockaddr_storage gsr_group; /* group address */ 1058 struct sockaddr_storage gsr_source; /* source address */ 1059 }; 1060 1061 /* 1062 * Argument for SIOC[GS]MSFILTER ioctls 1063 */ 1064 struct group_filter { 1065 uint32_t gf_interface; /* interface index */ 1066 struct sockaddr_storage gf_group; /* multicast address */ 1067 uint32_t gf_fmode; /* filter mode */ 1068 uint32_t gf_numsrc; /* number of sources */ 1069 struct sockaddr_storage gf_slist[1]; /* source address */ 1070 }; 1071 1072 #if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4 1073 #pragma pack() 1074 #endif 1075 1076 #define GROUP_FILTER_SIZE(numsrc) \ 1077 (sizeof (struct group_filter) - sizeof (struct sockaddr_storage) \ 1078 + (numsrc) * sizeof (struct sockaddr_storage)) 1079 1080 /* 1081 * Argument for SIOC[GS]IPMSFILTER ioctls (IPv4-specific) 1082 */ 1083 struct ip_msfilter { 1084 struct in_addr imsf_multiaddr; /* IP multicast address of group */ 1085 struct in_addr imsf_interface; /* local IP address of interface */ 1086 uint32_t imsf_fmode; /* filter mode */ 1087 uint32_t imsf_numsrc; /* number of sources in src_list */ 1088 struct in_addr imsf_slist[1]; /* start of source list */ 1089 }; 1090 1091 #define IP_MSFILTER_SIZE(numsrc) \ 1092 (sizeof (struct ip_msfilter) - sizeof (struct in_addr) \ 1093 + (numsrc) * sizeof (struct in_addr)) 1094 1095 /* 1096 * Multicast source filter manipulation functions in libsocket; 1097 * defined in RFC 3678. 1098 */ 1099 int setsourcefilter(int, uint32_t, struct sockaddr *, socklen_t, uint32_t, 1100 uint_t, struct sockaddr_storage *); 1101 1102 int getsourcefilter(int, uint32_t, struct sockaddr *, socklen_t, uint32_t *, 1103 uint_t *, struct sockaddr_storage *); 1104 1105 int setipv4sourcefilter(int, struct in_addr, struct in_addr, uint32_t, 1106 uint32_t, struct in_addr *); 1107 1108 int getipv4sourcefilter(int, struct in_addr, struct in_addr, uint32_t *, 1109 uint32_t *, struct in_addr *); 1110 1111 /* 1112 * Definitions needed for [gs]etsourcefilter(), [gs]etipv4sourcefilter() 1113 */ 1114 #define MCAST_INCLUDE 1 1115 #define MCAST_EXCLUDE 2 1116 1117 /* 1118 * Argument struct for IP_PKTINFO option 1119 */ 1120 typedef struct in_pktinfo { 1121 unsigned int ipi_ifindex; /* send/recv interface index */ 1122 struct in_addr ipi_spec_dst; /* matched source address */ 1123 struct in_addr ipi_addr; /* src/dst address in IP hdr */ 1124 } in_pktinfo_t; 1125 1126 /* 1127 * Argument struct for IPV6_PKTINFO option 1128 */ 1129 struct in6_pktinfo { 1130 struct in6_addr ipi6_addr; /* src/dst IPv6 address */ 1131 unsigned int ipi6_ifindex; /* send/recv interface index */ 1132 }; 1133 1134 /* 1135 * Argument struct for IPV6_MTUINFO option 1136 */ 1137 struct ip6_mtuinfo { 1138 struct sockaddr_in6 ip6m_addr; /* dst address including zone ID */ 1139 uint32_t ip6m_mtu; /* path MTU in host byte order */ 1140 }; 1141 1142 /* 1143 * IPv6 routing header types 1144 */ 1145 #define IPV6_RTHDR_TYPE_0 0 1146 1147 extern socklen_t inet6_rth_space(int type, int segments); 1148 extern void *inet6_rth_init(void *bp, socklen_t bp_len, int type, int segments); 1149 extern int inet6_rth_add(void *bp, const struct in6_addr *addr); 1150 extern int inet6_rth_reverse(const void *in, void *out); 1151 extern int inet6_rth_segments(const void *bp); 1152 extern struct in6_addr *inet6_rth_getaddr(const void *bp, int index); 1153 1154 extern int inet6_opt_init(void *extbuf, socklen_t extlen); 1155 extern int inet6_opt_append(void *extbuf, socklen_t extlen, int offset, 1156 uint8_t type, socklen_t len, uint_t align, void **databufp); 1157 extern int inet6_opt_finish(void *extbuf, socklen_t extlen, int offset); 1158 extern int inet6_opt_set_val(void *databuf, int offset, void *val, 1159 socklen_t vallen); 1160 extern int inet6_opt_next(void *extbuf, socklen_t extlen, int offset, 1161 uint8_t *typep, socklen_t *lenp, void **databufp); 1162 extern int inet6_opt_find(void *extbufp, socklen_t extlen, int offset, 1163 uint8_t type, socklen_t *lenp, void **databufp); 1164 extern int inet6_opt_get_val(void *databuf, int offset, void *val, 1165 socklen_t vallen); 1166 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 1167 1168 /* 1169 * Argument structure for IP_ADD_PROXY_ADDR. 1170 * Note that this is an unstable, experimental interface. It may change 1171 * later. Don't use it unless you know what it is. 1172 */ 1173 typedef struct { 1174 struct in_addr in_prefix_addr; 1175 unsigned int in_prefix_len; 1176 } in_prefix_t; 1177 1178 1179 #if !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) 1180 /* 1181 * IPv6 options 1182 */ 1183 #define IPV6_UNICAST_HOPS 0x5 /* hop limit value for unicast */ 1184 /* packets. */ 1185 /* argument type: uint_t */ 1186 #define IPV6_MULTICAST_IF 0x6 /* outgoing interface for */ 1187 /* multicast packets. */ 1188 /* argument type: struct in6_addr */ 1189 #define IPV6_MULTICAST_HOPS 0x7 /* hop limit value to use for */ 1190 /* multicast packets. */ 1191 /* argument type: uint_t */ 1192 #define IPV6_MULTICAST_LOOP 0x8 /* enable/disable delivery of */ 1193 /* multicast packets on same socket. */ 1194 /* argument type: uint_t */ 1195 #define IPV6_JOIN_GROUP 0x9 /* join an IPv6 multicast group. */ 1196 /* argument type: struct ipv6_mreq */ 1197 #define IPV6_LEAVE_GROUP 0xa /* leave an IPv6 multicast group */ 1198 /* argument type: struct ipv6_mreq */ 1199 1200 /* 1201 * Other XPG6 constants. 1202 */ 1203 #define INET_ADDRSTRLEN 16 /* max len IPv4 addr in ascii dotted */ 1204 /* decimal notation. */ 1205 #define INET6_ADDRSTRLEN 46 /* max len of IPv6 addr in ascii */ 1206 /* standard colon-hex notation. */ 1207 1208 #endif /* !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) */ 1209 1210 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 1211 1212 /* 1213 * IPV6_ADD_MEMBERSHIP and IPV6_DROP_MEMBERSHIP are being kept 1214 * for backward compatibility. They have the same meaning as IPV6_JOIN_GROUP 1215 * and IPV6_LEAVE_GROUP respectively. 1216 */ 1217 #define IPV6_ADD_MEMBERSHIP 0x9 /* join an IPv6 multicast group. */ 1218 /* argument type: struct ipv6_mreq */ 1219 #define IPV6_DROP_MEMBERSHIP 0xa /* leave an IPv6 multicast group */ 1220 /* argument type: struct ipv6_mreq */ 1221 1222 #define IPV6_PKTINFO 0xb /* addr plus interface index */ 1223 /* arg type: "struct in6_pktingo" - */ 1224 #define IPV6_HOPLIMIT 0xc /* hoplimit for datagram */ 1225 #define IPV6_NEXTHOP 0xd /* next hop address */ 1226 #define IPV6_HOPOPTS 0xe /* hop by hop options */ 1227 #define IPV6_DSTOPTS 0xf /* destination options - after */ 1228 /* the routing header */ 1229 #define IPV6_RTHDR 0x10 /* routing header */ 1230 #define IPV6_RTHDRDSTOPTS 0x11 /* destination options - before */ 1231 /* the routing header */ 1232 #define IPV6_RECVPKTINFO 0x12 /* enable/disable IPV6_PKTINFO */ 1233 #define IPV6_RECVHOPLIMIT 0x13 /* enable/disable IPV6_HOPLIMIT */ 1234 #define IPV6_RECVHOPOPTS 0x14 /* enable/disable IPV6_HOPOPTS */ 1235 1236 /* 1237 * This options exists for backwards compatability and should no longer be 1238 * used. Use IPV6_RECVDSTOPTS instead. 1239 */ 1240 #define _OLD_IPV6_RECVDSTOPTS 0x15 1241 1242 #define IPV6_RECVRTHDR 0x16 /* enable/disable IPV6_RTHDR */ 1243 1244 /* 1245 * enable/disable IPV6_RTHDRDSTOPTS. Now obsolete. IPV6_RECVDSTOPTS enables 1246 * the receipt of both headers. 1247 */ 1248 #define IPV6_RECVRTHDRDSTOPTS 0x17 1249 1250 #define IPV6_CHECKSUM 0x18 /* Control checksum on raw sockets */ 1251 #define IPV6_RECVTCLASS 0x19 /* enable/disable IPV6_TCLASS */ 1252 #define IPV6_USE_MIN_MTU 0x20 /* send packets with minimum MTU */ 1253 #define IPV6_DONTFRAG 0x21 /* don't fragment packets */ 1254 #define IPV6_SEC_OPT 0x22 /* Used to set IPSEC options */ 1255 #define IPV6_SRC_PREFERENCES 0x23 /* Control socket's src addr select */ 1256 #define IPV6_RECVPATHMTU 0x24 /* receive PMTU info */ 1257 #define IPV6_PATHMTU 0x25 /* get the PMTU */ 1258 #define IPV6_TCLASS 0x26 /* traffic class */ 1259 #define IPV6_V6ONLY 0x27 /* v6 only socket option */ 1260 1261 /* 1262 * enable/disable receipt of both both IPV6_DSTOPTS headers. 1263 */ 1264 #define IPV6_RECVDSTOPTS 0x28 1265 1266 /* 1267 * protocol-independent multicast membership options. 1268 */ 1269 #define MCAST_JOIN_GROUP 0x29 /* join group for all sources */ 1270 #define MCAST_LEAVE_GROUP 0x2a /* leave group */ 1271 #define MCAST_BLOCK_SOURCE 0x2b /* block specified source */ 1272 #define MCAST_UNBLOCK_SOURCE 0x2c /* unblock specified source */ 1273 #define MCAST_JOIN_SOURCE_GROUP 0x2d /* join group for specified source */ 1274 #define MCAST_LEAVE_SOURCE_GROUP 0x2e /* leave source/group pair */ 1275 1276 /* 32Bit field for IPV6_SRC_PREFERENCES */ 1277 #define IPV6_PREFER_SRC_HOME 0x00000001 1278 #define IPV6_PREFER_SRC_COA 0x00000002 1279 #define IPV6_PREFER_SRC_PUBLIC 0x00000004 1280 #define IPV6_PREFER_SRC_TMP 0x00000008 1281 #define IPV6_PREFER_SRC_NONCGA 0x00000010 1282 #define IPV6_PREFER_SRC_CGA 0x00000020 1283 1284 #define IPV6_PREFER_SRC_MIPMASK (IPV6_PREFER_SRC_HOME | IPV6_PREFER_SRC_COA) 1285 #define IPV6_PREFER_SRC_MIPDEFAULT IPV6_PREFER_SRC_HOME 1286 #define IPV6_PREFER_SRC_TMPMASK (IPV6_PREFER_SRC_PUBLIC | IPV6_PREFER_SRC_TMP) 1287 #define IPV6_PREFER_SRC_TMPDEFAULT IPV6_PREFER_SRC_PUBLIC 1288 #define IPV6_PREFER_SRC_CGAMASK (IPV6_PREFER_SRC_NONCGA | IPV6_PREFER_SRC_CGA) 1289 #define IPV6_PREFER_SRC_CGADEFAULT IPV6_PREFER_SRC_NONCGA 1290 1291 #define IPV6_PREFER_SRC_MASK (IPV6_PREFER_SRC_MIPMASK |\ 1292 IPV6_PREFER_SRC_TMPMASK | IPV6_PREFER_SRC_CGAMASK) 1293 1294 #define IPV6_PREFER_SRC_DEFAULT (IPV6_PREFER_SRC_MIPDEFAULT |\ 1295 IPV6_PREFER_SRC_TMPDEFAULT | IPV6_PREFER_SRC_CGADEFAULT) 1296 1297 /* 1298 * SunOS private (potentially not portable) IPV6_ option names 1299 */ 1300 #define IPV6_BOUND_IF 0x41 /* bind to an ifindex */ 1301 #define IPV6_UNSPEC_SRC 0x42 /* source of packets set to */ 1302 /* unspecified (all zeros) */ 1303 1304 /* 1305 * Miscellaneous IPv6 constants. 1306 */ 1307 #define IPV6_PAD1_OPT 0 /* pad byte in IPv6 extension hdrs */ 1308 1309 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 1310 1311 /* 1312 * Extern declarations for pre-defined global const variables 1313 */ 1314 #if !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) 1315 #ifndef _KERNEL 1316 #ifdef __STDC__ 1317 extern const struct in6_addr in6addr_any; 1318 extern const struct in6_addr in6addr_loopback; 1319 #else 1320 extern struct in6_addr in6addr_any; 1321 extern struct in6_addr in6addr_loopback; 1322 #endif 1323 #endif 1324 #endif /* !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) */ 1325 1326 #ifdef __cplusplus 1327 } 1328 #endif 1329 1330 #endif /* _NETINET_IN_H */ 1331