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 2015, Joyent, Inc. 7 * Copyright 2020 OmniOS Community Edition (OmniOSce) Association. 8 */ 9 /* 10 * Copyright (c) 1982, 1986 Regents of the University of California. 11 * All rights reserved. 12 * 13 * Redistribution and use in source and binary forms are permitted 14 * provided that this notice is preserved and that due credit is given 15 * to the University of California at Berkeley. The name of the University 16 * may not be used to endorse or promote products derived from this 17 * software without specific prior written permission. This software 18 * is provided ``as is'' without express or implied warranty. 19 */ 20 21 /* 22 * Constants and structures defined by the internet system, 23 * according to following documents 24 * 25 * Internet ASSIGNED NUMBERS (RFC1700) and its successors: 26 * http://www.iana.org/assignments/protocol-numbers 27 * http://www.iana.org/assignments/port-numbers 28 * Basic Socket Interface Extensions for IPv6 (RFC2133 and its successors) 29 * 30 */ 31 32 #ifndef _NETINET_IN_H 33 #define _NETINET_IN_H 34 35 #include <sys/feature_tests.h> 36 37 #ifdef __cplusplus 38 extern "C" { 39 #endif 40 41 #include <sys/types.h> 42 43 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 44 #include <sys/socket_impl.h> 45 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 46 47 #ifndef _SOCKLEN_T 48 #define _SOCKLEN_T 49 50 /* 51 * The socklen definitions are reproduced here from sys/socket.h so as to 52 * not introduce that namespace into existing users of netinet/in.h. 53 */ 54 #if defined(_XPG4_2) && !defined(_XPG5) && !defined(_LP64) 55 typedef size_t socklen_t; 56 #else 57 typedef uint32_t socklen_t; 58 #endif /* defined(_XPG4_2) && !defined(_XPG5) && !defined(_LP64) */ 59 60 #if defined(_XPG4_2) || defined(_BOOT) 61 typedef socklen_t *Psocklen_t; 62 #else 63 typedef void *Psocklen_t; 64 #endif /* defined(_XPG4_2) || defined(_BOOT) */ 65 66 #endif /* _SOCKLEN_T */ 67 68 /* 69 * Symbols such as htonl() are required to be exposed through this file, 70 * per XNS Issue 5. This is achieved by inclusion of <sys/byteorder.h> 71 */ 72 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) || defined(_XPG5) 73 #include <sys/byteorder.h> 74 #endif 75 76 #ifndef _IN_PORT_T 77 #define _IN_PORT_T 78 typedef uint16_t in_port_t; 79 #endif 80 81 /* 82 * Note: IPv4 address data structures usage conventions. 83 * The "in_addr_t" type below (required by Unix standards) 84 * is NOT a typedef of "struct in_addr" and violates the usual 85 * conventions where "struct <name>" and <name>_t are corresponding 86 * typedefs. 87 * To minimize confusion, kernel data structures/usage prefers use 88 * of "ipaddr_t" as atomic uint32_t type and avoid using "in_addr_t" 89 * The user level APIs continue to follow the historic popular 90 * practice of using "struct in_addr". 91 */ 92 #ifndef _IN_ADDR_T 93 #define _IN_ADDR_T 94 typedef uint32_t in_addr_t; 95 #endif 96 97 #ifndef _IPADDR_T 98 #define _IPADDR_T 99 typedef uint32_t ipaddr_t; 100 #endif 101 102 #if !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) 103 104 struct in6_addr { 105 union { 106 /* 107 * Note: Static initalizers of "union" type assume 108 * the constant on the RHS is the type of the first member 109 * of union. 110 * To make static initializers (and efficient usage) work, 111 * the order of members exposed to user and kernel view of 112 * this data structure is different. 113 * User environment sees specified uint8_t type as first 114 * member whereas kernel sees most efficient type as 115 * first member. 116 */ 117 #ifdef _KERNEL 118 uint32_t _S6_u32[4]; /* IPv6 address */ 119 uint16_t _S6_u16[8]; /* IPv6 address */ 120 uint8_t _S6_u8[16]; /* IPv6 address */ 121 #else 122 uint8_t _S6_u8[16]; /* IPv6 address */ 123 uint16_t _S6_u16[8]; /* IPv6 address */ 124 uint32_t _S6_u32[4]; /* IPv6 address */ 125 #endif 126 uint32_t __S6_align; /* Align on 32 bit boundary */ 127 } _S6_un; 128 }; 129 #define s6_addr _S6_un._S6_u8 130 131 #ifdef _KERNEL 132 #define s6_addr8 _S6_un._S6_u8 133 #define s6_addr16 _S6_un._S6_u16 134 #define s6_addr32 _S6_un._S6_u32 135 #endif 136 137 typedef struct in6_addr in6_addr_t; 138 139 #endif /* !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) */ 140 141 #ifndef _SA_FAMILY_T 142 #define _SA_FAMILY_T 143 typedef uint16_t sa_family_t; 144 #endif 145 146 /* 147 * Protocols 148 * 149 * Some of these constant names are copied for the DTrace IP provider in 150 * usr/src/lib/libdtrace/common/{ip.d.in, ip.sed.in}, which should be kept 151 * in sync. 152 */ 153 #define IPPROTO_IP 0 /* dummy for IP */ 154 #define IPPROTO_HOPOPTS 0 /* Hop by hop header for IPv6 */ 155 #define IPPROTO_ICMP 1 /* control message protocol */ 156 #define IPPROTO_IGMP 2 /* group control protocol */ 157 #define IPPROTO_GGP 3 /* gateway^2 (deprecated) */ 158 #define IPPROTO_ENCAP 4 /* IP in IP encapsulation */ 159 #define IPPROTO_TCP 6 /* tcp */ 160 #define IPPROTO_EGP 8 /* exterior gateway protocol */ 161 #define IPPROTO_PUP 12 /* pup */ 162 #define IPPROTO_UDP 17 /* user datagram protocol */ 163 #define IPPROTO_IDP 22 /* xns idp */ 164 #define IPPROTO_IPV6 41 /* IPv6 encapsulated in IP */ 165 #define IPPROTO_ROUTING 43 /* Routing header for IPv6 */ 166 #define IPPROTO_FRAGMENT 44 /* Fragment header for IPv6 */ 167 #define IPPROTO_RSVP 46 /* rsvp */ 168 #define IPPROTO_ESP 50 /* IPsec Encap. Sec. Payload */ 169 #define IPPROTO_AH 51 /* IPsec Authentication Hdr. */ 170 #define IPPROTO_ICMPV6 58 /* ICMP for IPv6 */ 171 #define IPPROTO_NONE 59 /* No next header for IPv6 */ 172 #define IPPROTO_DSTOPTS 60 /* Destination options */ 173 #define IPPROTO_HELLO 63 /* "hello" routing protocol */ 174 #define IPPROTO_ND 77 /* UNOFFICIAL net disk proto */ 175 #define IPPROTO_EON 80 /* ISO clnp */ 176 #define IPPROTO_OSPF 89 /* OSPF */ 177 #define IPPROTO_PIM 103 /* PIM routing protocol */ 178 #define IPPROTO_SCTP 132 /* Stream Control */ 179 /* Transmission Protocol */ 180 181 #define IPPROTO_RAW 255 /* raw IP packet */ 182 #define IPPROTO_MAX 256 183 184 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 185 #define PROTO_SDP 257 /* Sockets Direct Protocol */ 186 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 187 188 /* 189 * Port/socket numbers: network standard functions 190 * 191 * Entries should exist here for each port number compiled into an ON 192 * component, such as snoop. 193 */ 194 #define IPPORT_ECHO 7 195 #define IPPORT_DISCARD 9 196 #define IPPORT_SYSTAT 11 197 #define IPPORT_DAYTIME 13 198 #define IPPORT_NETSTAT 15 199 #define IPPORT_CHARGEN 19 200 #define IPPORT_FTP 21 201 #define IPPORT_TELNET 23 202 #define IPPORT_SMTP 25 203 #define IPPORT_TIMESERVER 37 204 #define IPPORT_NAMESERVER 42 205 #define IPPORT_WHOIS 43 206 #define IPPORT_DOMAIN 53 207 #define IPPORT_MDNS 5353 208 #define IPPORT_MTP 57 209 210 /* 211 * Port/socket numbers: host specific functions 212 */ 213 #define IPPORT_BOOTPS 67 214 #define IPPORT_BOOTPC 68 215 #define IPPORT_TFTP 69 216 #define IPPORT_RJE 77 217 #define IPPORT_FINGER 79 218 #define IPPORT_HTTP 80 219 #define IPPORT_HTTP_ALT 8080 220 #define IPPORT_TTYLINK 87 221 #define IPPORT_SUPDUP 95 222 #define IPPORT_NTP 123 223 #define IPPORT_NETBIOS_NS 137 224 #define IPPORT_NETBIOS_DGM 138 225 #define IPPORT_NETBIOS_SSN 139 226 #define IPPORT_LDAP 389 227 #define IPPORT_SLP 427 228 #define IPPORT_MIP 434 229 #define IPPORT_SMB 445 /* a.k.a. microsoft-ds */ 230 #define IPPORT_VXLAN 4789 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 #ifdef _KERNEL 275 #define IPPORT_DYNAMIC_MIN 49152 276 #define IPPORT_DYNAMIC_MAX 65535 277 #endif 278 279 /* 280 * Link numbers 281 */ 282 #define IMPLINK_IP 155 283 #define IMPLINK_LOWEXPER 156 284 #define IMPLINK_HIGHEXPER 158 285 286 /* 287 * IPv4 Internet address 288 * This definition contains obsolete fields for compatibility 289 * with SunOS 3.x and 4.2bsd. The presence of subnets renders 290 * divisions into fixed fields misleading at best. New code 291 * should use only the s_addr field. 292 */ 293 294 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 295 #define _S_un_b S_un_b 296 #define _S_un_w S_un_w 297 #define _S_addr S_addr 298 #define _S_un S_un 299 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 300 301 struct in_addr { 302 union { 303 struct { uint8_t s_b1, s_b2, s_b3, s_b4; } _S_un_b; 304 struct { uint16_t s_w1, s_w2; } _S_un_w; 305 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 306 uint32_t _S_addr; 307 #else 308 in_addr_t _S_addr; 309 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 310 } _S_un; 311 #define s_addr _S_un._S_addr /* should be used for all code */ 312 #define s_host _S_un._S_un_b.s_b2 /* OBSOLETE: host on imp */ 313 #define s_net _S_un._S_un_b.s_b1 /* OBSOLETE: network */ 314 #define s_imp _S_un._S_un_w.s_w2 /* OBSOLETE: imp */ 315 #define s_impno _S_un._S_un_b.s_b4 /* OBSOLETE: imp # */ 316 #define s_lh _S_un._S_un_b.s_b3 /* OBSOLETE: logical host */ 317 }; 318 319 /* 320 * Definitions of bits in internet address integers. 321 * On subnets, the decomposition of addresses to host and net parts 322 * is done according to subnet mask, not the masks here. 323 * 324 * Note that with the introduction of CIDR, IN_CLASSA, IN_CLASSB, 325 * IN_CLASSC, IN_CLASSD and IN_CLASSE macros have become "de-facto 326 * obsolete". IN_MULTICAST macro should be used to test if a address 327 * is a multicast address. 328 */ 329 #define IN_CLASSA(i) (((i) & 0x80000000U) == 0) 330 #define IN_CLASSA_NET 0xff000000U 331 #define IN_CLASSA_NSHIFT 24 332 #define IN_CLASSA_HOST 0x00ffffffU 333 #define IN_CLASSA_MAX 128 334 335 #define IN_CLASSB(i) (((i) & 0xc0000000U) == 0x80000000U) 336 #define IN_CLASSB_NET 0xffff0000U 337 #define IN_CLASSB_NSHIFT 16 338 #define IN_CLASSB_HOST 0x0000ffffU 339 #define IN_CLASSB_MAX 65536 340 341 #define IN_CLASSC(i) (((i) & 0xe0000000U) == 0xc0000000U) 342 #define IN_CLASSC_NET 0xffffff00U 343 #define IN_CLASSC_NSHIFT 8 344 #define IN_CLASSC_HOST 0x000000ffU 345 346 #define IN_CLASSD(i) (((i) & 0xf0000000U) == 0xe0000000U) 347 #define IN_CLASSD_NET 0xf0000000U /* These aren't really */ 348 #define IN_CLASSD_NSHIFT 28 /* net and host fields, but */ 349 #define IN_CLASSD_HOST 0x0fffffffU /* routing needn't know */ 350 351 #define IN_CLASSE(i) (((i) & 0xf0000000U) == 0xf0000000U) 352 #define IN_CLASSE_NET 0xffffffffU 353 354 #define IN_MULTICAST(i) IN_CLASSD(i) 355 356 /* 357 * We have removed CLASS E checks from the kernel 358 * But we preserve these defines for userland in order 359 * to avoid compile breakage of some 3rd party piece of software 360 */ 361 #ifndef _KERNEL 362 #define IN_EXPERIMENTAL(i) (((i) & 0xe0000000U) == 0xe0000000U) 363 #define IN_BADCLASS(i) (((i) & 0xf0000000U) == 0xf0000000U) 364 #endif 365 366 #define INADDR_ANY 0x00000000U 367 #define INADDR_LOOPBACK 0x7F000001U 368 #define INADDR_BROADCAST 0xffffffffU /* must be masked */ 369 #define INADDR_NONE 0xffffffffU 370 371 #define INADDR_UNSPEC_GROUP 0xe0000000U /* 224.0.0.0 */ 372 #define INADDR_ALLHOSTS_GROUP 0xe0000001U /* 224.0.0.1 */ 373 #define INADDR_ALLRTRS_GROUP 0xe0000002U /* 224.0.0.2 */ 374 #define INADDR_ALLRPTS_GROUP 0xe0000016U /* 224.0.0.22, IGMPv3 */ 375 #define INADDR_MAX_LOCAL_GROUP 0xe00000ffU /* 224.0.0.255 */ 376 377 /* Scoped IPv4 prefixes (in host byte-order) */ 378 #define IN_AUTOCONF_NET 0xa9fe0000U /* 169.254/16 */ 379 #define IN_AUTOCONF_MASK 0xffff0000U 380 #define IN_PRIVATE8_NET 0x0a000000U /* 10/8 */ 381 #define IN_PRIVATE8_MASK 0xff000000U 382 #define IN_PRIVATE12_NET 0xac100000U /* 172.16/12 */ 383 #define IN_PRIVATE12_MASK 0xfff00000U 384 #define IN_PRIVATE16_NET 0xc0a80000U /* 192.168/16 */ 385 #define IN_PRIVATE16_MASK 0xffff0000U 386 387 /* RFC 3927 IPv4 link local address (i in host byte-order) */ 388 #define IN_LINKLOCAL(i) (((i) & IN_AUTOCONF_MASK) == IN_AUTOCONF_NET) 389 390 /* Well known 6to4 Relay Router Anycast address defined in RFC 3068 */ 391 #if !defined(_XPG4_2) || !defined(__EXTENSIONS__) 392 #define INADDR_6TO4RRANYCAST 0xc0586301U /* 192.88.99.1 */ 393 #endif /* !defined(_XPG4_2) || !defined(__EXTENSIONS__) */ 394 395 #define IN_LOOPBACKNET 127 /* official! */ 396 397 /* 398 * Define a macro to stuff the loopback address into an Internet address 399 */ 400 #if !defined(_XPG4_2) || !defined(__EXTENSIONS__) 401 #define IN_SET_LOOPBACK_ADDR(a) \ 402 { (a)->sin_addr.s_addr = htonl(INADDR_LOOPBACK); \ 403 (a)->sin_family = AF_INET; } 404 #endif /* !defined(_XPG4_2) || !defined(__EXTENSIONS__) */ 405 406 /* 407 * IPv4 Socket address. 408 */ 409 struct sockaddr_in { 410 sa_family_t sin_family; 411 in_port_t sin_port; 412 struct in_addr sin_addr; 413 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 414 char sin_zero[8]; 415 #else 416 unsigned char sin_zero[8]; 417 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 418 }; 419 420 #if !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) 421 /* 422 * IPv6 socket address. 423 */ 424 struct sockaddr_in6 { 425 sa_family_t sin6_family; 426 in_port_t sin6_port; 427 uint32_t sin6_flowinfo; 428 struct in6_addr sin6_addr; 429 uint32_t sin6_scope_id; /* Depends on scope of sin6_addr */ 430 uint32_t __sin6_src_id; /* Impl. specific - UDP replies */ 431 }; 432 433 /* 434 * Macros for accessing the traffic class and flow label fields from 435 * sin6_flowinfo. 436 * These are designed to be applied to a 32-bit value. 437 */ 438 #ifdef _BIG_ENDIAN 439 440 /* masks */ 441 #define IPV6_FLOWINFO_FLOWLABEL 0x000fffffU 442 #define IPV6_FLOWINFO_TCLASS 0x0ff00000U 443 444 #else /* _BIG_ENDIAN */ 445 446 /* masks */ 447 #define IPV6_FLOWINFO_FLOWLABEL 0xffff0f00U 448 #define IPV6_FLOWINFO_TCLASS 0x0000f00fU 449 450 #endif /* _BIG_ENDIAN */ 451 452 /* 453 * Note: Macros IN6ADDR_ANY_INIT and IN6ADDR_LOOPBACK_INIT are for 454 * use as RHS of Static initializers of "struct in6_addr" (or in6_addr_t) 455 * only. They need to be different for User/Kernel versions because union 456 * component data structure is defined differently (it is identical at 457 * binary representation level). 458 * 459 * const struct in6_addr IN6ADDR_ANY_INIT; 460 * const struct in6_addr IN6ADDR_LOOPBACK_INIT; 461 */ 462 463 464 #ifdef _KERNEL 465 #define IN6ADDR_ANY_INIT { 0, 0, 0, 0 } 466 467 #ifdef _BIG_ENDIAN 468 #define IN6ADDR_LOOPBACK_INIT { 0, 0, 0, 0x00000001U } 469 #else /* _BIG_ENDIAN */ 470 #define IN6ADDR_LOOPBACK_INIT { 0, 0, 0, 0x01000000U } 471 #endif /* _BIG_ENDIAN */ 472 473 #else 474 475 #define IN6ADDR_ANY_INIT { 0, 0, 0, 0, \ 476 0, 0, 0, 0, \ 477 0, 0, 0, 0, \ 478 0, 0, 0, 0 } 479 480 #define IN6ADDR_LOOPBACK_INIT { 0, 0, 0, 0, \ 481 0, 0, 0, 0, \ 482 0, 0, 0, 0, \ 483 0, 0, 0, 0x1U } 484 #endif /* _KERNEL */ 485 486 /* 487 * RFC 2553 specifies the following macros. Their type is defined 488 * as "int" in the RFC but they only have boolean significance 489 * (zero or non-zero). For the purposes of our comment notation, 490 * we assume a hypothetical type "bool" defined as follows to 491 * write the prototypes assumed for macros in our comments better. 492 * 493 * typedef int bool; 494 */ 495 496 /* 497 * IN6 macros used to test for special IPv6 addresses 498 * (Mostly from spec) 499 * 500 * bool IN6_IS_ADDR_UNSPECIFIED (const struct in6_addr *); 501 * bool IN6_IS_ADDR_LOOPBACK (const struct in6_addr *); 502 * bool IN6_IS_ADDR_MULTICAST (const struct in6_addr *); 503 * bool IN6_IS_ADDR_LINKLOCAL (const struct in6_addr *); 504 * bool IN6_IS_ADDR_SITELOCAL (const struct in6_addr *); 505 * bool IN6_IS_ADDR_V4MAPPED (const struct in6_addr *); 506 * bool IN6_IS_ADDR_V4MAPPED_ANY(const struct in6_addr *); -- Not from RFC2553 507 * bool IN6_IS_ADDR_V4COMPAT (const struct in6_addr *); 508 * bool IN6_IS_ADDR_MC_RESERVED (const struct in6_addr *); -- Not from RFC2553 509 * bool IN6_IS_ADDR_MC_NODELOCAL(const struct in6_addr *); 510 * bool IN6_IS_ADDR_MC_LINKLOCAL(const struct in6_addr *); 511 * bool IN6_IS_ADDR_MC_SITELOCAL(const struct in6_addr *); 512 * bool IN6_IS_ADDR_MC_ORGLOCAL (const struct in6_addr *); 513 * bool IN6_IS_ADDR_MC_GLOBAL (const struct in6_addr *); 514 * bool IN6_IS_ADDR_6TO4 (const struct in6_addr *); -- Not from RFC2553 515 * bool IN6_ARE_6TO4_PREFIX_EQUAL(const struct in6_addr *, 516 * const struct in6_addr *); -- Not from RFC2553 517 * bool IN6_IS_ADDR_LINKSCOPE (const struct in6addr *); -- Not from RFC2553 518 */ 519 520 #define IN6_IS_ADDR_UNSPECIFIED(addr) \ 521 (((addr)->_S6_un._S6_u32[3] == 0) && \ 522 ((addr)->_S6_un._S6_u32[2] == 0) && \ 523 ((addr)->_S6_un._S6_u32[1] == 0) && \ 524 ((addr)->_S6_un._S6_u32[0] == 0)) 525 526 #ifdef _BIG_ENDIAN 527 #define IN6_IS_ADDR_LOOPBACK(addr) \ 528 (((addr)->_S6_un._S6_u32[3] == 0x00000001) && \ 529 ((addr)->_S6_un._S6_u32[2] == 0) && \ 530 ((addr)->_S6_un._S6_u32[1] == 0) && \ 531 ((addr)->_S6_un._S6_u32[0] == 0)) 532 #else /* _BIG_ENDIAN */ 533 #define IN6_IS_ADDR_LOOPBACK(addr) \ 534 (((addr)->_S6_un._S6_u32[3] == 0x01000000) && \ 535 ((addr)->_S6_un._S6_u32[2] == 0) && \ 536 ((addr)->_S6_un._S6_u32[1] == 0) && \ 537 ((addr)->_S6_un._S6_u32[0] == 0)) 538 #endif /* _BIG_ENDIAN */ 539 540 #ifdef _BIG_ENDIAN 541 #define IN6_IS_ADDR_MULTICAST(addr) \ 542 (((addr)->_S6_un._S6_u32[0] & 0xff000000) == 0xff000000) 543 #else /* _BIG_ENDIAN */ 544 #define IN6_IS_ADDR_MULTICAST(addr) \ 545 (((addr)->_S6_un._S6_u32[0] & 0x000000ff) == 0x000000ff) 546 #endif /* _BIG_ENDIAN */ 547 548 #ifdef _BIG_ENDIAN 549 #define IN6_IS_ADDR_LINKLOCAL(addr) \ 550 (((addr)->_S6_un._S6_u32[0] & 0xffc00000) == 0xfe800000) 551 #else /* _BIG_ENDIAN */ 552 #define IN6_IS_ADDR_LINKLOCAL(addr) \ 553 (((addr)->_S6_un._S6_u32[0] & 0x0000c0ff) == 0x000080fe) 554 #endif /* _BIG_ENDIAN */ 555 556 #ifdef _BIG_ENDIAN 557 #define IN6_IS_ADDR_SITELOCAL(addr) \ 558 (((addr)->_S6_un._S6_u32[0] & 0xffc00000) == 0xfec00000) 559 #else /* _BIG_ENDIAN */ 560 #define IN6_IS_ADDR_SITELOCAL(addr) \ 561 (((addr)->_S6_un._S6_u32[0] & 0x0000c0ff) == 0x0000c0fe) 562 #endif /* _BIG_ENDIAN */ 563 564 #ifdef _BIG_ENDIAN 565 #define IN6_IS_ADDR_V4MAPPED(addr) \ 566 (((addr)->_S6_un._S6_u32[2] == 0x0000ffff) && \ 567 ((addr)->_S6_un._S6_u32[1] == 0) && \ 568 ((addr)->_S6_un._S6_u32[0] == 0)) 569 #else /* _BIG_ENDIAN */ 570 #define IN6_IS_ADDR_V4MAPPED(addr) \ 571 (((addr)->_S6_un._S6_u32[2] == 0xffff0000U) && \ 572 ((addr)->_S6_un._S6_u32[1] == 0) && \ 573 ((addr)->_S6_un._S6_u32[0] == 0)) 574 #endif /* _BIG_ENDIAN */ 575 576 /* 577 * IN6_IS_ADDR_V4MAPPED - A IPv4 mapped INADDR_ANY 578 * Note: This macro is currently NOT defined in RFC2553 specification 579 * and not a standard macro that portable applications should use. 580 */ 581 #ifdef _BIG_ENDIAN 582 #define IN6_IS_ADDR_V4MAPPED_ANY(addr) \ 583 (((addr)->_S6_un._S6_u32[3] == 0) && \ 584 ((addr)->_S6_un._S6_u32[2] == 0x0000ffff) && \ 585 ((addr)->_S6_un._S6_u32[1] == 0) && \ 586 ((addr)->_S6_un._S6_u32[0] == 0)) 587 #else /* _BIG_ENDIAN */ 588 #define IN6_IS_ADDR_V4MAPPED_ANY(addr) \ 589 (((addr)->_S6_un._S6_u32[3] == 0) && \ 590 ((addr)->_S6_un._S6_u32[2] == 0xffff0000U) && \ 591 ((addr)->_S6_un._S6_u32[1] == 0) && \ 592 ((addr)->_S6_un._S6_u32[0] == 0)) 593 #endif /* _BIG_ENDIAN */ 594 595 /* Exclude loopback and unspecified address */ 596 #ifdef _BIG_ENDIAN 597 #define IN6_IS_ADDR_V4COMPAT(addr) \ 598 (((addr)->_S6_un._S6_u32[2] == 0) && \ 599 ((addr)->_S6_un._S6_u32[1] == 0) && \ 600 ((addr)->_S6_un._S6_u32[0] == 0) && \ 601 !((addr)->_S6_un._S6_u32[3] == 0) && \ 602 !((addr)->_S6_un._S6_u32[3] == 0x00000001)) 603 604 #else /* _BIG_ENDIAN */ 605 #define IN6_IS_ADDR_V4COMPAT(addr) \ 606 (((addr)->_S6_un._S6_u32[2] == 0) && \ 607 ((addr)->_S6_un._S6_u32[1] == 0) && \ 608 ((addr)->_S6_un._S6_u32[0] == 0) && \ 609 !((addr)->_S6_un._S6_u32[3] == 0) && \ 610 !((addr)->_S6_un._S6_u32[3] == 0x01000000)) 611 #endif /* _BIG_ENDIAN */ 612 613 /* 614 * Note: 615 * IN6_IS_ADDR_MC_RESERVED macro is currently NOT defined in RFC2553 616 * specification and not a standard macro that portable applications 617 * should use. 618 */ 619 #ifdef _BIG_ENDIAN 620 #define IN6_IS_ADDR_MC_RESERVED(addr) \ 621 (((addr)->_S6_un._S6_u32[0] & 0xff0f0000) == 0xff000000) 622 623 #else /* _BIG_ENDIAN */ 624 #define IN6_IS_ADDR_MC_RESERVED(addr) \ 625 (((addr)->_S6_un._S6_u32[0] & 0x00000fff) == 0x000000ff) 626 #endif /* _BIG_ENDIAN */ 627 628 #ifdef _BIG_ENDIAN 629 #define IN6_IS_ADDR_MC_NODELOCAL(addr) \ 630 (((addr)->_S6_un._S6_u32[0] & 0xff0f0000) == 0xff010000) 631 #else /* _BIG_ENDIAN */ 632 #define IN6_IS_ADDR_MC_NODELOCAL(addr) \ 633 (((addr)->_S6_un._S6_u32[0] & 0x00000fff) == 0x000001ff) 634 #endif /* _BIG_ENDIAN */ 635 636 #ifdef _BIG_ENDIAN 637 #define IN6_IS_ADDR_MC_LINKLOCAL(addr) \ 638 (((addr)->_S6_un._S6_u32[0] & 0xff0f0000) == 0xff020000) 639 #else /* _BIG_ENDIAN */ 640 #define IN6_IS_ADDR_MC_LINKLOCAL(addr) \ 641 (((addr)->_S6_un._S6_u32[0] & 0x00000fff) == 0x000002ff) 642 #endif /* _BIG_ENDIAN */ 643 644 #ifdef _BIG_ENDIAN 645 #define IN6_IS_ADDR_MC_SITELOCAL(addr) \ 646 (((addr)->_S6_un._S6_u32[0] & 0xff0f0000) == 0xff050000) 647 #else /* _BIG_ENDIAN */ 648 #define IN6_IS_ADDR_MC_SITELOCAL(addr) \ 649 (((addr)->_S6_un._S6_u32[0] & 0x00000fff) == 0x000005ff) 650 #endif /* _BIG_ENDIAN */ 651 652 #ifdef _BIG_ENDIAN 653 #define IN6_IS_ADDR_MC_ORGLOCAL(addr) \ 654 (((addr)->_S6_un._S6_u32[0] & 0xff0f0000) == 0xff080000) 655 #else /* _BIG_ENDIAN */ 656 #define IN6_IS_ADDR_MC_ORGLOCAL(addr) \ 657 (((addr)->_S6_un._S6_u32[0] & 0x00000fff) == 0x000008ff) 658 #endif /* _BIG_ENDIAN */ 659 660 #ifdef _BIG_ENDIAN 661 #define IN6_IS_ADDR_MC_GLOBAL(addr) \ 662 (((addr)->_S6_un._S6_u32[0] & 0xff0f0000) == 0xff0e0000) 663 #else /* _BIG_ENDIAN */ 664 #define IN6_IS_ADDR_MC_GLOBAL(addr) \ 665 (((addr)->_S6_un._S6_u32[0] & 0x00000fff) == 0x00000eff) 666 #endif /* _BIG_ENDIAN */ 667 668 /* 669 * The IN6_IS_ADDR_MC_SOLICITEDNODE macro is not defined in any standard or 670 * RFC, and shouldn't be used by portable applications. It is used to see 671 * if an address is a solicited-node multicast address, which is prefixed 672 * with ff02:0:0:0:0:1:ff00::/104. 673 */ 674 #ifdef _BIG_ENDIAN 675 #define IN6_IS_ADDR_MC_SOLICITEDNODE(addr) \ 676 (((addr)->_S6_un._S6_u32[0] == 0xff020000) && \ 677 ((addr)->_S6_un._S6_u32[1] == 0x00000000) && \ 678 ((addr)->_S6_un._S6_u32[2] == 0x00000001) && \ 679 (((addr)->_S6_un._S6_u32[3] & 0xff000000) == 0xff000000)) 680 #else 681 #define IN6_IS_ADDR_MC_SOLICITEDNODE(addr) \ 682 (((addr)->_S6_un._S6_u32[0] == 0x000002ff) && \ 683 ((addr)->_S6_un._S6_u32[1] == 0x00000000) && \ 684 ((addr)->_S6_un._S6_u32[2] == 0x01000000) && \ 685 (((addr)->_S6_un._S6_u32[3] & 0x000000ff) == 0x000000ff)) 686 #endif 687 688 /* 689 * Macros to a) test for 6to4 IPv6 address, and b) to test if two 690 * 6to4 addresses have the same /48 prefix, and, hence, are from the 691 * same 6to4 site. 692 */ 693 694 #ifdef _BIG_ENDIAN 695 #define IN6_IS_ADDR_6TO4(addr) \ 696 (((addr)->_S6_un._S6_u32[0] & 0xffff0000) == 0x20020000) 697 #else /* _BIG_ENDIAN */ 698 #define IN6_IS_ADDR_6TO4(addr) \ 699 (((addr)->_S6_un._S6_u32[0] & 0x0000ffff) == 0x00000220) 700 #endif /* _BIG_ENDIAN */ 701 702 #define IN6_ARE_6TO4_PREFIX_EQUAL(addr1, addr2) \ 703 (((addr1)->_S6_un._S6_u32[0] == (addr2)->_S6_un._S6_u32[0]) && \ 704 ((addr1)->_S6_un._S6_u8[4] == (addr2)->_S6_un._S6_u8[4]) && \ 705 ((addr1)->_S6_un._S6_u8[5] == (addr2)->_S6_un._S6_u8[5])) 706 707 /* 708 * IN6_IS_ADDR_LINKSCOPE 709 * Identifies an address as being either link-local, link-local multicast or 710 * node-local multicast. All types of addresses are considered to be unique 711 * within the scope of a given link. 712 */ 713 #define IN6_IS_ADDR_LINKSCOPE(addr) \ 714 (IN6_IS_ADDR_LINKLOCAL(addr) || IN6_IS_ADDR_MC_LINKLOCAL(addr) || \ 715 IN6_IS_ADDR_MC_NODELOCAL(addr)) 716 717 /* 718 * Useful utility macros for operations with IPv6 addresses 719 * Note: These macros are NOT defined in the RFC2553 or any other 720 * standard specification and are not standard macros that portable 721 * applications should use. 722 */ 723 724 /* 725 * IN6_V4MAPPED_TO_INADDR 726 * IN6_V4MAPPED_TO_IPADDR 727 * Assign a IPv4-Mapped IPv6 address to an IPv4 address. 728 * Note: These macros are NOT defined in RFC2553 or any other standard 729 * specification and are not macros that portable applications should 730 * use. 731 * 732 * void IN6_V4MAPPED_TO_INADDR(const in6_addr_t *v6, struct in_addr *v4); 733 * void IN6_V4MAPPED_TO_IPADDR(const in6_addr_t *v6, ipaddr_t v4); 734 * 735 */ 736 #define IN6_V4MAPPED_TO_INADDR(v6, v4) \ 737 ((v4)->s_addr = (v6)->_S6_un._S6_u32[3]) 738 #define IN6_V4MAPPED_TO_IPADDR(v6, v4) \ 739 ((v4) = (v6)->_S6_un._S6_u32[3]) 740 741 /* 742 * IN6_INADDR_TO_V4MAPPED 743 * IN6_IPADDR_TO_V4MAPPED 744 * Assign a IPv4 address address to an IPv6 address as a IPv4-mapped 745 * address. 746 * Note: These macros are NOT defined in RFC2553 or any other standard 747 * specification and are not macros that portable applications should 748 * use. 749 * 750 * void IN6_INADDR_TO_V4MAPPED(const struct in_addr *v4, in6_addr_t *v6); 751 * void IN6_IPADDR_TO_V4MAPPED(const ipaddr_t v4, in6_addr_t *v6); 752 * 753 */ 754 #ifdef _BIG_ENDIAN 755 #define IN6_INADDR_TO_V4MAPPED(v4, v6) \ 756 ((v6)->_S6_un._S6_u32[3] = (v4)->s_addr, \ 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 #define IN6_IPADDR_TO_V4MAPPED(v4, v6) \ 761 ((v6)->_S6_un._S6_u32[3] = (v4), \ 762 (v6)->_S6_un._S6_u32[2] = 0x0000ffff, \ 763 (v6)->_S6_un._S6_u32[1] = 0, \ 764 (v6)->_S6_un._S6_u32[0] = 0) 765 #else /* _BIG_ENDIAN */ 766 #define IN6_INADDR_TO_V4MAPPED(v4, v6) \ 767 ((v6)->_S6_un._S6_u32[3] = (v4)->s_addr, \ 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 #define IN6_IPADDR_TO_V4MAPPED(v4, v6) \ 772 ((v6)->_S6_un._S6_u32[3] = (v4), \ 773 (v6)->_S6_un._S6_u32[2] = 0xffff0000U, \ 774 (v6)->_S6_un._S6_u32[1] = 0, \ 775 (v6)->_S6_un._S6_u32[0] = 0) 776 #endif /* _BIG_ENDIAN */ 777 778 /* 779 * IN6_6TO4_TO_V4ADDR 780 * Extract the embedded IPv4 address from the prefix to a 6to4 IPv6 781 * address. 782 * Note: This macro is NOT defined in RFC2553 or any other standard 783 * specification and is not a macro that portable applications should 784 * use. 785 * Note: we don't use the IPADDR form of the macro because we need 786 * to do a bytewise copy; the V4ADDR in the 6to4 address is not 787 * 32-bit aligned. 788 * 789 * void IN6_6TO4_TO_V4ADDR(const in6_addr_t *v6, struct in_addr *v4); 790 * 791 */ 792 #define IN6_6TO4_TO_V4ADDR(v6, v4) \ 793 ((v4)->_S_un._S_un_b.s_b1 = (v6)->_S6_un._S6_u8[2], \ 794 (v4)->_S_un._S_un_b.s_b2 = (v6)->_S6_un._S6_u8[3], \ 795 (v4)->_S_un._S_un_b.s_b3 = (v6)->_S6_un._S6_u8[4], \ 796 (v4)->_S_un._S_un_b.s_b4 = (v6)->_S6_un._S6_u8[5]) 797 798 /* 799 * IN6_V4ADDR_TO_6TO4 800 * Given an IPv4 address and an IPv6 address for output, a 6to4 address 801 * will be created from the IPv4 Address. 802 * Note: This method for creating 6to4 addresses is not standardized 803 * outside of Solaris. The newly created 6to4 address will be of the form 804 * 2002:<V4ADDR>:<SUBNETID>::<HOSTID>, where SUBNETID will equal 0 and 805 * HOSTID will equal 1. 806 * 807 * void IN6_V4ADDR_TO_6TO4(const struct in_addr *v4, in6_addr_t *v6) 808 * 809 */ 810 #ifdef _BIG_ENDIAN 811 #define IN6_V4ADDR_TO_6TO4(v4, v6) \ 812 ((v6)->_S6_un._S6_u8[0] = 0x20, \ 813 (v6)->_S6_un._S6_u8[1] = 0x02, \ 814 (v6)->_S6_un._S6_u8[2] = (v4)->_S_un._S_un_b.s_b1, \ 815 (v6)->_S6_un._S6_u8[3] = (v4)->_S_un._S_un_b.s_b2, \ 816 (v6)->_S6_un._S6_u8[4] = (v4)->_S_un._S_un_b.s_b3, \ 817 (v6)->_S6_un._S6_u8[5] = (v4)->_S_un._S_un_b.s_b4, \ 818 (v6)->_S6_un._S6_u8[6] = 0, \ 819 (v6)->_S6_un._S6_u8[7] = 0, \ 820 (v6)->_S6_un._S6_u32[2] = 0, \ 821 (v6)->_S6_un._S6_u32[3] = 0x00000001U) 822 #else 823 #define IN6_V4ADDR_TO_6TO4(v4, v6) \ 824 ((v6)->_S6_un._S6_u8[0] = 0x20, \ 825 (v6)->_S6_un._S6_u8[1] = 0x02, \ 826 (v6)->_S6_un._S6_u8[2] = (v4)->_S_un._S_un_b.s_b1, \ 827 (v6)->_S6_un._S6_u8[3] = (v4)->_S_un._S_un_b.s_b2, \ 828 (v6)->_S6_un._S6_u8[4] = (v4)->_S_un._S_un_b.s_b3, \ 829 (v6)->_S6_un._S6_u8[5] = (v4)->_S_un._S_un_b.s_b4, \ 830 (v6)->_S6_un._S6_u8[6] = 0, \ 831 (v6)->_S6_un._S6_u8[7] = 0, \ 832 (v6)->_S6_un._S6_u32[2] = 0, \ 833 (v6)->_S6_un._S6_u32[3] = 0x01000000U) 834 #endif /* _BIG_ENDIAN */ 835 836 /* 837 * IN6_ARE_ADDR_EQUAL (defined in RFC2292) 838 * Compares if IPv6 addresses are equal. 839 * Note: Compares in order of high likelyhood of a miss so we minimize 840 * compares. (Current heuristic order, compare in reverse order of 841 * uint32_t units) 842 * 843 * bool IN6_ARE_ADDR_EQUAL(const struct in6_addr *, 844 * const struct in6_addr *); 845 */ 846 #define IN6_ARE_ADDR_EQUAL(addr1, addr2) \ 847 (((addr1)->_S6_un._S6_u32[3] == (addr2)->_S6_un._S6_u32[3]) && \ 848 ((addr1)->_S6_un._S6_u32[2] == (addr2)->_S6_un._S6_u32[2]) && \ 849 ((addr1)->_S6_un._S6_u32[1] == (addr2)->_S6_un._S6_u32[1]) && \ 850 ((addr1)->_S6_un._S6_u32[0] == (addr2)->_S6_un._S6_u32[0])) 851 852 /* 853 * IN6_ARE_PREFIXEDADDR_EQUAL (not defined in RFCs) 854 * Compares if prefixed parts of IPv6 addresses are equal. 855 * 856 * uint32_t IN6_MASK_FROM_PREFIX(int, int); 857 * bool IN6_ARE_PREFIXEDADDR_EQUAL(const struct in6_addr *, 858 * const struct in6_addr *, 859 * int); 860 */ 861 #define IN6_MASK_FROM_PREFIX(qoctet, prefix) \ 862 ((((qoctet) + 1) * 32 < (prefix)) ? 0xFFFFFFFFu : \ 863 ((((qoctet) * 32) >= (prefix)) ? 0x00000000u : \ 864 0xFFFFFFFFu << (((qoctet) + 1) * 32 - (prefix)))) 865 866 #define IN6_ARE_PREFIXEDADDR_EQUAL(addr1, addr2, prefix) \ 867 (((ntohl((addr1)->_S6_un._S6_u32[0]) & \ 868 IN6_MASK_FROM_PREFIX(0, prefix)) == \ 869 (ntohl((addr2)->_S6_un._S6_u32[0]) & \ 870 IN6_MASK_FROM_PREFIX(0, prefix))) && \ 871 ((ntohl((addr1)->_S6_un._S6_u32[1]) & \ 872 IN6_MASK_FROM_PREFIX(1, prefix)) == \ 873 (ntohl((addr2)->_S6_un._S6_u32[1]) & \ 874 IN6_MASK_FROM_PREFIX(1, prefix))) && \ 875 ((ntohl((addr1)->_S6_un._S6_u32[2]) & \ 876 IN6_MASK_FROM_PREFIX(2, prefix)) == \ 877 (ntohl((addr2)->_S6_un._S6_u32[2]) & \ 878 IN6_MASK_FROM_PREFIX(2, prefix))) && \ 879 ((ntohl((addr1)->_S6_un._S6_u32[3]) & \ 880 IN6_MASK_FROM_PREFIX(3, prefix)) == \ 881 (ntohl((addr2)->_S6_un._S6_u32[3]) & \ 882 IN6_MASK_FROM_PREFIX(3, prefix)))) 883 884 #endif /* !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) */ 885 886 887 /* 888 * Options for use with [gs]etsockopt at the IP level. 889 * 890 * Note: Some of the IP_ namespace has conflict with and 891 * and is exposed through <xti.h>. (It also requires exposing 892 * options not implemented). The options with potential 893 * for conflicts use #ifndef guards. 894 */ 895 #ifndef IP_OPTIONS 896 #define IP_OPTIONS 1 /* set/get IP per-packet options */ 897 #endif 898 899 #define IP_HDRINCL 2 /* int; header is included with data (raw) */ 900 901 #ifndef IP_TOS 902 #define IP_TOS 3 /* int; IP type of service and precedence */ 903 #endif 904 905 #ifndef IP_TTL 906 #define IP_TTL 4 /* int; IP time to live */ 907 #endif 908 909 #define IP_RECVOPTS 0x5 /* int; receive all IP options w/datagram */ 910 #define IP_RECVRETOPTS 0x6 /* int; receive IP options for response */ 911 #define IP_RECVDSTADDR 0x7 /* int; receive IP dst addr w/datagram */ 912 #define IP_RETOPTS 0x8 /* ip_opts; set/get IP per-packet options */ 913 #define IP_RECVIF 0x9 /* int; receive the inbound interface index */ 914 #define IP_RECVSLLA 0xa /* sockaddr_dl; get source link layer address */ 915 #define IP_RECVTTL 0xb /* uint8_t; get TTL for inbound packet */ 916 #define IP_RECVTOS 0xc /* uint8_t; get TOS for inbound packet */ 917 918 #define IP_MULTICAST_IF 0x10 /* set/get IP multicast interface */ 919 #define IP_MULTICAST_TTL 0x11 /* set/get IP multicast timetolive */ 920 #define IP_MULTICAST_LOOP 0x12 /* set/get IP multicast loopback */ 921 #define IP_ADD_MEMBERSHIP 0x13 /* add an IP group membership */ 922 #define IP_DROP_MEMBERSHIP 0x14 /* drop an IP group membership */ 923 #define IP_BLOCK_SOURCE 0x15 /* block mcast pkts from source */ 924 #define IP_UNBLOCK_SOURCE 0x16 /* unblock mcast pkts from source */ 925 #define IP_ADD_SOURCE_MEMBERSHIP 0x17 /* add mcast group/source pair */ 926 #define IP_DROP_SOURCE_MEMBERSHIP 0x18 /* drop mcast group/source pair */ 927 #define IP_NEXTHOP 0x19 /* send directly to next hop */ 928 /* 929 * IP_PKTINFO and IP_RECVPKTINFO have same value. Size of argument passed in 930 * is used to differentiate b/w the two. 931 */ 932 #define IP_PKTINFO 0x1a /* specify src address and/or index */ 933 #define IP_RECVPKTINFO 0x1a /* recv dest/matched addr and index */ 934 #define IP_DONTFRAG 0x1b /* don't fragment packets */ 935 936 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 937 /* 938 * Different preferences that can be requested from IPSEC protocols. 939 */ 940 #define IP_SEC_OPT 0x22 /* Used to set IPSEC options */ 941 #define IPSEC_PREF_NEVER 0x01 942 #define IPSEC_PREF_REQUIRED 0x02 943 #define IPSEC_PREF_UNIQUE 0x04 944 /* 945 * This can be used with the setsockopt() call to set per socket security 946 * options. When the application uses per-socket API, we will reflect 947 * the request on both outbound and inbound packets. 948 */ 949 950 typedef struct ipsec_req { 951 uint_t ipsr_ah_req; /* AH request */ 952 uint_t ipsr_esp_req; /* ESP request */ 953 uint_t ipsr_self_encap_req; /* Self-Encap request */ 954 uint8_t ipsr_auth_alg; /* Auth algs for AH */ 955 uint8_t ipsr_esp_alg; /* Encr algs for ESP */ 956 uint8_t ipsr_esp_auth_alg; /* Auth algs for ESP */ 957 } ipsec_req_t; 958 959 /* 960 * MCAST_* options are protocol-independent. The actual definitions 961 * are with the v6 options below; this comment is here to note the 962 * namespace usage. 963 * 964 * #define MCAST_JOIN_GROUP 0x29 965 * #define MCAST_LEAVE_GROUP 0x2a 966 * #define MCAST_BLOCK_SOURCE 0x2b 967 * #define MCAST_UNBLOCK_SOURCE 0x2c 968 * #define MCAST_JOIN_SOURCE_GROUP 0x2d 969 * #define MCAST_LEAVE_SOURCE_GROUP 0x2e 970 */ 971 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 972 973 /* 974 * SunOS private (potentially not portable) IP_ option names 975 */ 976 #define IP_BOUND_IF 0x41 /* bind socket to an ifindex */ 977 #define IP_UNSPEC_SRC 0x42 /* use unspecified source address */ 978 #define IP_BROADCAST_TTL 0x43 /* use specific TTL for broadcast */ 979 /* can be reused 0x44 */ 980 #define IP_DHCPINIT_IF 0x45 /* accept all unicast DHCP traffic */ 981 982 /* 983 * Option values and names (when !_XPG5) shared with <xti_inet.h> 984 */ 985 #ifndef IP_REUSEADDR 986 #define IP_REUSEADDR 0x104 987 #endif 988 989 #ifndef IP_DONTROUTE 990 #define IP_DONTROUTE 0x105 991 #endif 992 993 #ifndef IP_BROADCAST 994 #define IP_BROADCAST 0x106 995 #endif 996 997 /* 998 * The following option values are reserved by <xti_inet.h> 999 * 1000 * T_IP_OPTIONS 0x107 - IP per-packet options 1001 * T_IP_TOS 0x108 - IP per packet type of service 1002 */ 1003 1004 /* 1005 * Default value constants for multicast attributes controlled by 1006 * IP*_MULTICAST_LOOP and IP*_MULTICAST_{TTL,HOPS} options. 1007 */ 1008 #define IP_DEFAULT_MULTICAST_TTL 1 /* normally limit m'casts to 1 hop */ 1009 #define IP_DEFAULT_MULTICAST_LOOP 1 /* normally hear sends if a member */ 1010 1011 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 1012 /* 1013 * Argument structure for IP_ADD_MEMBERSHIP and IP_DROP_MEMBERSHIP. 1014 */ 1015 struct ip_mreq { 1016 struct in_addr imr_multiaddr; /* IP multicast address of group */ 1017 struct in_addr imr_interface; /* local IP address of interface */ 1018 }; 1019 1020 /* 1021 * Argument structure for IP_BLOCK_SOURCE, IP_UNBLOCK_SOURCE, 1022 * IP_ADD_SOURCE_MEMBERSHIP, and IP_DROP_SOURCE_MEMBERSHIP. 1023 */ 1024 struct ip_mreq_source { 1025 struct in_addr imr_multiaddr; /* IP address of group */ 1026 struct in_addr imr_sourceaddr; /* IP address of source */ 1027 struct in_addr imr_interface; /* IP address of interface */ 1028 }; 1029 1030 /* 1031 * Argument structure for IPV6_JOIN_GROUP and IPV6_LEAVE_GROUP on 1032 * IPv6 addresses. 1033 */ 1034 struct ipv6_mreq { 1035 struct in6_addr ipv6mr_multiaddr; /* IPv6 multicast addr */ 1036 unsigned int ipv6mr_interface; /* interface index */ 1037 }; 1038 1039 /* 1040 * Use #pragma pack() construct to force 32-bit alignment on amd64. 1041 * This is needed to keep the structure size and offsets consistent 1042 * between a 32-bit app and the 64-bit amd64 kernel in structures 1043 * where 64-bit alignment would create gaps (in this case, structures 1044 * which have a uint32_t followed by a struct sockaddr_storage). 1045 */ 1046 #if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4 1047 #pragma pack(4) 1048 #endif 1049 1050 /* 1051 * Argument structure for MCAST_JOIN_GROUP and MCAST_LEAVE_GROUP. 1052 */ 1053 struct group_req { 1054 uint32_t gr_interface; /* interface index */ 1055 struct sockaddr_storage gr_group; /* group address */ 1056 }; 1057 1058 /* 1059 * Argument structure for MCAST_BLOCK_SOURCE, MCAST_UNBLOCK_SOURCE, 1060 * MCAST_JOIN_SOURCE_GROUP, MCAST_LEAVE_SOURCE_GROUP. 1061 */ 1062 struct group_source_req { 1063 uint32_t gsr_interface; /* interface index */ 1064 struct sockaddr_storage gsr_group; /* group address */ 1065 struct sockaddr_storage gsr_source; /* source address */ 1066 }; 1067 1068 /* 1069 * Argument for SIOC[GS]MSFILTER ioctls 1070 */ 1071 struct group_filter { 1072 uint32_t gf_interface; /* interface index */ 1073 struct sockaddr_storage gf_group; /* multicast address */ 1074 uint32_t gf_fmode; /* filter mode */ 1075 uint32_t gf_numsrc; /* number of sources */ 1076 struct sockaddr_storage gf_slist[1]; /* source address */ 1077 }; 1078 1079 #if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4 1080 #pragma pack() 1081 #endif 1082 1083 #define GROUP_FILTER_SIZE(numsrc) \ 1084 (sizeof (struct group_filter) - sizeof (struct sockaddr_storage) \ 1085 + (numsrc) * sizeof (struct sockaddr_storage)) 1086 1087 /* 1088 * Argument for SIOC[GS]IPMSFILTER ioctls (IPv4-specific) 1089 */ 1090 struct ip_msfilter { 1091 struct in_addr imsf_multiaddr; /* IP multicast address of group */ 1092 struct in_addr imsf_interface; /* local IP address of interface */ 1093 uint32_t imsf_fmode; /* filter mode */ 1094 uint32_t imsf_numsrc; /* number of sources in src_list */ 1095 struct in_addr imsf_slist[1]; /* start of source list */ 1096 }; 1097 1098 #define IP_MSFILTER_SIZE(numsrc) \ 1099 (sizeof (struct ip_msfilter) - sizeof (struct in_addr) \ 1100 + (numsrc) * sizeof (struct in_addr)) 1101 1102 /* 1103 * Multicast source filter manipulation functions in libsocket; 1104 * defined in RFC 3678. 1105 */ 1106 int setsourcefilter(int, uint32_t, struct sockaddr *, socklen_t, uint32_t, 1107 uint_t, struct sockaddr_storage *); 1108 1109 int getsourcefilter(int, uint32_t, struct sockaddr *, socklen_t, uint32_t *, 1110 uint_t *, struct sockaddr_storage *); 1111 1112 int setipv4sourcefilter(int, struct in_addr, struct in_addr, uint32_t, 1113 uint32_t, struct in_addr *); 1114 1115 int getipv4sourcefilter(int, struct in_addr, struct in_addr, uint32_t *, 1116 uint32_t *, struct in_addr *); 1117 1118 /* 1119 * Definitions needed for [gs]etsourcefilter(), [gs]etipv4sourcefilter() 1120 */ 1121 #define MCAST_INCLUDE 1 1122 #define MCAST_EXCLUDE 2 1123 1124 /* 1125 * Argument struct for IP_PKTINFO option 1126 */ 1127 typedef struct in_pktinfo { 1128 unsigned int ipi_ifindex; /* send/recv interface index */ 1129 struct in_addr ipi_spec_dst; /* matched source address */ 1130 struct in_addr ipi_addr; /* src/dst address in IP hdr */ 1131 } in_pktinfo_t; 1132 1133 /* 1134 * Argument struct for IPV6_PKTINFO option 1135 */ 1136 struct in6_pktinfo { 1137 struct in6_addr ipi6_addr; /* src/dst IPv6 address */ 1138 unsigned int ipi6_ifindex; /* send/recv interface index */ 1139 }; 1140 1141 /* 1142 * Argument struct for IPV6_MTUINFO option 1143 */ 1144 struct ip6_mtuinfo { 1145 struct sockaddr_in6 ip6m_addr; /* dst address including zone ID */ 1146 uint32_t ip6m_mtu; /* path MTU in host byte order */ 1147 }; 1148 1149 /* 1150 * IPv6 routing header types 1151 */ 1152 #define IPV6_RTHDR_TYPE_0 0 1153 1154 extern socklen_t inet6_rth_space(int type, int segments); 1155 extern void *inet6_rth_init(void *bp, socklen_t bp_len, int type, int segments); 1156 extern int inet6_rth_add(void *bp, const struct in6_addr *addr); 1157 extern int inet6_rth_reverse(const void *in, void *out); 1158 extern int inet6_rth_segments(const void *bp); 1159 extern struct in6_addr *inet6_rth_getaddr(const void *bp, int index); 1160 1161 extern int inet6_opt_init(void *extbuf, socklen_t extlen); 1162 extern int inet6_opt_append(void *extbuf, socklen_t extlen, int offset, 1163 uint8_t type, socklen_t len, uint_t align, void **databufp); 1164 extern int inet6_opt_finish(void *extbuf, socklen_t extlen, int offset); 1165 extern int inet6_opt_set_val(void *databuf, int offset, void *val, 1166 socklen_t vallen); 1167 extern int inet6_opt_next(void *extbuf, socklen_t extlen, int offset, 1168 uint8_t *typep, socklen_t *lenp, void **databufp); 1169 extern int inet6_opt_find(void *extbufp, socklen_t extlen, int offset, 1170 uint8_t type, socklen_t *lenp, void **databufp); 1171 extern int inet6_opt_get_val(void *databuf, int offset, void *val, 1172 socklen_t vallen); 1173 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 1174 1175 /* 1176 * Argument structure for IP_ADD_PROXY_ADDR. 1177 * Note that this is an unstable, experimental interface. It may change 1178 * later. Don't use it unless you know what it is. 1179 */ 1180 typedef struct { 1181 struct in_addr in_prefix_addr; 1182 unsigned int in_prefix_len; 1183 } in_prefix_t; 1184 1185 1186 #if !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) 1187 /* 1188 * IPv6 options 1189 */ 1190 #define IPV6_UNICAST_HOPS 0x5 /* hop limit value for unicast */ 1191 /* packets. */ 1192 /* argument type: uint_t */ 1193 #define IPV6_MULTICAST_IF 0x6 /* outgoing interface for */ 1194 /* multicast packets. */ 1195 /* argument type: struct in6_addr */ 1196 #define IPV6_MULTICAST_HOPS 0x7 /* hop limit value to use for */ 1197 /* multicast packets. */ 1198 /* argument type: uint_t */ 1199 #define IPV6_MULTICAST_LOOP 0x8 /* enable/disable delivery of */ 1200 /* multicast packets on same socket. */ 1201 /* argument type: uint_t */ 1202 #define IPV6_JOIN_GROUP 0x9 /* join an IPv6 multicast group. */ 1203 /* argument type: struct ipv6_mreq */ 1204 #define IPV6_LEAVE_GROUP 0xa /* leave an IPv6 multicast group */ 1205 /* argument type: struct ipv6_mreq */ 1206 1207 /* 1208 * Other XPG6 constants. 1209 */ 1210 #define INET_ADDRSTRLEN 16 /* max len IPv4 addr in ascii dotted */ 1211 /* decimal notation. */ 1212 #define INET6_ADDRSTRLEN 46 /* max len of IPv6 addr in ascii */ 1213 /* standard colon-hex notation. */ 1214 1215 #endif /* !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) */ 1216 1217 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 1218 1219 /* 1220 * IPV6_ADD_MEMBERSHIP and IPV6_DROP_MEMBERSHIP are being kept 1221 * for backward compatibility. They have the same meaning as IPV6_JOIN_GROUP 1222 * and IPV6_LEAVE_GROUP respectively. 1223 */ 1224 #define IPV6_ADD_MEMBERSHIP 0x9 /* join an IPv6 multicast group. */ 1225 /* argument type: struct ipv6_mreq */ 1226 #define IPV6_DROP_MEMBERSHIP 0xa /* leave an IPv6 multicast group */ 1227 /* argument type: struct ipv6_mreq */ 1228 1229 #define IPV6_PKTINFO 0xb /* addr plus interface index */ 1230 /* arg type: "struct in6_pktingo" - */ 1231 #define IPV6_HOPLIMIT 0xc /* hoplimit for datagram */ 1232 #define IPV6_NEXTHOP 0xd /* next hop address */ 1233 #define IPV6_HOPOPTS 0xe /* hop by hop options */ 1234 #define IPV6_DSTOPTS 0xf /* destination options - after */ 1235 /* the routing header */ 1236 #define IPV6_RTHDR 0x10 /* routing header */ 1237 #define IPV6_RTHDRDSTOPTS 0x11 /* destination options - before */ 1238 /* the routing header */ 1239 #define IPV6_RECVPKTINFO 0x12 /* enable/disable IPV6_PKTINFO */ 1240 #define IPV6_RECVHOPLIMIT 0x13 /* enable/disable IPV6_HOPLIMIT */ 1241 #define IPV6_RECVHOPOPTS 0x14 /* enable/disable IPV6_HOPOPTS */ 1242 1243 /* 1244 * This options exists for backwards compatability and should no longer be 1245 * used. Use IPV6_RECVDSTOPTS instead. 1246 */ 1247 #define _OLD_IPV6_RECVDSTOPTS 0x15 1248 1249 #define IPV6_RECVRTHDR 0x16 /* enable/disable IPV6_RTHDR */ 1250 1251 /* 1252 * enable/disable IPV6_RTHDRDSTOPTS. Now obsolete. IPV6_RECVDSTOPTS enables 1253 * the receipt of both headers. 1254 */ 1255 #define IPV6_RECVRTHDRDSTOPTS 0x17 1256 1257 #define IPV6_CHECKSUM 0x18 /* Control checksum on raw sockets */ 1258 #define IPV6_RECVTCLASS 0x19 /* enable/disable IPV6_TCLASS */ 1259 #define IPV6_USE_MIN_MTU 0x20 /* send packets with minimum MTU */ 1260 #define IPV6_DONTFRAG 0x21 /* don't fragment packets */ 1261 #define IPV6_SEC_OPT 0x22 /* Used to set IPSEC options */ 1262 #define IPV6_SRC_PREFERENCES 0x23 /* Control socket's src addr select */ 1263 #define IPV6_RECVPATHMTU 0x24 /* receive PMTU info */ 1264 #define IPV6_PATHMTU 0x25 /* get the PMTU */ 1265 #define IPV6_TCLASS 0x26 /* traffic class */ 1266 #define IPV6_V6ONLY 0x27 /* v6 only socket option */ 1267 1268 /* 1269 * enable/disable receipt of both both IPV6_DSTOPTS headers. 1270 */ 1271 #define IPV6_RECVDSTOPTS 0x28 1272 1273 /* 1274 * protocol-independent multicast membership options. 1275 */ 1276 #define MCAST_JOIN_GROUP 0x29 /* join group for all sources */ 1277 #define MCAST_LEAVE_GROUP 0x2a /* leave group */ 1278 #define MCAST_BLOCK_SOURCE 0x2b /* block specified source */ 1279 #define MCAST_UNBLOCK_SOURCE 0x2c /* unblock specified source */ 1280 #define MCAST_JOIN_SOURCE_GROUP 0x2d /* join group for specified source */ 1281 #define MCAST_LEAVE_SOURCE_GROUP 0x2e /* leave source/group pair */ 1282 1283 /* 32Bit field for IPV6_SRC_PREFERENCES */ 1284 #define IPV6_PREFER_SRC_HOME 0x00000001 1285 #define IPV6_PREFER_SRC_COA 0x00000002 1286 #define IPV6_PREFER_SRC_PUBLIC 0x00000004 1287 #define IPV6_PREFER_SRC_TMP 0x00000008 1288 #define IPV6_PREFER_SRC_NONCGA 0x00000010 1289 #define IPV6_PREFER_SRC_CGA 0x00000020 1290 1291 #define IPV6_PREFER_SRC_MIPMASK (IPV6_PREFER_SRC_HOME | IPV6_PREFER_SRC_COA) 1292 #define IPV6_PREFER_SRC_MIPDEFAULT IPV6_PREFER_SRC_HOME 1293 #define IPV6_PREFER_SRC_TMPMASK (IPV6_PREFER_SRC_PUBLIC | IPV6_PREFER_SRC_TMP) 1294 #define IPV6_PREFER_SRC_TMPDEFAULT IPV6_PREFER_SRC_PUBLIC 1295 #define IPV6_PREFER_SRC_CGAMASK (IPV6_PREFER_SRC_NONCGA | IPV6_PREFER_SRC_CGA) 1296 #define IPV6_PREFER_SRC_CGADEFAULT IPV6_PREFER_SRC_NONCGA 1297 1298 #define IPV6_PREFER_SRC_MASK (IPV6_PREFER_SRC_MIPMASK |\ 1299 IPV6_PREFER_SRC_TMPMASK | IPV6_PREFER_SRC_CGAMASK) 1300 1301 #define IPV6_PREFER_SRC_DEFAULT (IPV6_PREFER_SRC_MIPDEFAULT |\ 1302 IPV6_PREFER_SRC_TMPDEFAULT | IPV6_PREFER_SRC_CGADEFAULT) 1303 1304 /* 1305 * SunOS private (potentially not portable) IPV6_ option names 1306 */ 1307 #define IPV6_BOUND_IF 0x41 /* bind to an ifindex */ 1308 #define IPV6_UNSPEC_SRC 0x42 /* source of packets set to */ 1309 /* unspecified (all zeros) */ 1310 1311 /* 1312 * Miscellaneous IPv6 constants. 1313 */ 1314 #define IPV6_PAD1_OPT 0 /* pad byte in IPv6 extension hdrs */ 1315 1316 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 1317 1318 /* 1319 * Extern declarations for pre-defined global const variables 1320 */ 1321 #if !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) 1322 #ifndef _KERNEL 1323 #ifdef __STDC__ 1324 extern const struct in6_addr in6addr_any; 1325 extern const struct in6_addr in6addr_loopback; 1326 #else 1327 extern struct in6_addr in6addr_any; 1328 extern struct in6_addr in6addr_loopback; 1329 #endif 1330 #endif 1331 #endif /* !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) */ 1332 1333 #ifdef __cplusplus 1334 } 1335 #endif 1336 1337 #endif /* _NETINET_IN_H */ 1338