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 * Copyright 2024 Oxide Computer Company 9 */ 10 /* 11 * Copyright (c) 1982, 1986 Regents of the University of California. 12 * All rights reserved. 13 * 14 * Redistribution and use in source and binary forms are permitted 15 * provided that this notice is preserved and that due credit is given 16 * to the University of California at Berkeley. The name of the University 17 * may not be used to endorse or promote products derived from this 18 * software without specific prior written permission. This software 19 * is provided ``as is'' without express or implied warranty. 20 */ 21 22 /* 23 * Constants and structures defined by the internet system, 24 * according to following documents 25 * 26 * Internet ASSIGNED NUMBERS (RFC1700) and its successors: 27 * http://www.iana.org/assignments/protocol-numbers 28 * http://www.iana.org/assignments/port-numbers 29 * Basic Socket Interface Extensions for IPv6 (RFC2133 and its successors) 30 * 31 */ 32 33 #ifndef _NETINET_IN_H 34 #define _NETINET_IN_H 35 36 #include <sys/feature_tests.h> 37 38 #ifdef __cplusplus 39 extern "C" { 40 #endif 41 42 #include <sys/types.h> 43 44 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 45 #include <sys/socket_impl.h> 46 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 47 48 #ifndef _SOCKLEN_T 49 #define _SOCKLEN_T 50 51 /* 52 * The socklen definitions are reproduced here from sys/socket.h so as to 53 * not introduce that namespace into existing users of netinet/in.h. 54 */ 55 #if defined(_XPG4_2) && !defined(_XPG5) && !defined(_LP64) 56 typedef size_t socklen_t; 57 #else 58 typedef uint32_t socklen_t; 59 #endif /* defined(_XPG4_2) && !defined(_XPG5) && !defined(_LP64) */ 60 61 #if defined(_XPG4_2) || defined(_BOOT) 62 typedef socklen_t *Psocklen_t; 63 #else 64 typedef void *Psocklen_t; 65 #endif /* defined(_XPG4_2) || defined(_BOOT) */ 66 67 #endif /* _SOCKLEN_T */ 68 69 /* 70 * Symbols such as htonl() are required to be exposed through this file, 71 * per XNS Issue 5. This is achieved by inclusion of <sys/byteorder.h> 72 */ 73 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) || defined(_XPG5) 74 #include <sys/byteorder.h> 75 #endif 76 77 #ifndef _IN_PORT_T 78 #define _IN_PORT_T 79 typedef uint16_t in_port_t; 80 #endif 81 82 /* 83 * Note: IPv4 address data structures usage conventions. 84 * The "in_addr_t" type below (required by Unix standards) 85 * is NOT a typedef of "struct in_addr" and violates the usual 86 * conventions where "struct <name>" and <name>_t are corresponding 87 * typedefs. 88 * To minimize confusion, kernel data structures/usage prefers use 89 * of "ipaddr_t" as atomic uint32_t type and avoid using "in_addr_t" 90 * The user level APIs continue to follow the historic popular 91 * practice of using "struct in_addr". 92 */ 93 #ifndef _IN_ADDR_T 94 #define _IN_ADDR_T 95 typedef uint32_t in_addr_t; 96 #endif 97 98 #ifndef _IPADDR_T 99 #define _IPADDR_T 100 typedef uint32_t ipaddr_t; 101 #endif 102 103 #if !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) 104 105 struct in6_addr { 106 union { 107 /* 108 * Note: Static initalizers of "union" type assume 109 * the constant on the RHS is the type of the first member 110 * of union. 111 * To make static initializers (and efficient usage) work, 112 * the order of members exposed to user and kernel view of 113 * this data structure is different. 114 * User environment sees specified uint8_t type as first 115 * member whereas kernel sees most efficient type as 116 * first member. 117 */ 118 #ifdef _KERNEL 119 uint32_t _S6_u32[4]; /* IPv6 address */ 120 uint16_t _S6_u16[8]; /* IPv6 address */ 121 uint8_t _S6_u8[16]; /* IPv6 address */ 122 #else 123 uint8_t _S6_u8[16]; /* IPv6 address */ 124 uint16_t _S6_u16[8]; /* IPv6 address */ 125 uint32_t _S6_u32[4]; /* IPv6 address */ 126 #endif 127 uint32_t __S6_align; /* Align on 32 bit boundary */ 128 } _S6_un; 129 }; 130 #define s6_addr _S6_un._S6_u8 131 132 #ifdef _KERNEL 133 #define s6_addr8 _S6_un._S6_u8 134 #define s6_addr16 _S6_un._S6_u16 135 #define s6_addr32 _S6_un._S6_u32 136 #endif 137 138 typedef struct in6_addr in6_addr_t; 139 140 #endif /* !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) */ 141 142 #ifndef _SA_FAMILY_T 143 #define _SA_FAMILY_T 144 typedef uint16_t sa_family_t; 145 #endif 146 147 /* 148 * Protocols 149 * 150 * Some of these constant names are copied for the DTrace IP provider in 151 * usr/src/lib/libdtrace/common/{ip.d.in, ip.sed.in}, which should be kept 152 * in sync. 153 */ 154 #define IPPROTO_IP 0 /* dummy for IP */ 155 #define IPPROTO_HOPOPTS 0 /* Hop by hop header for IPv6 */ 156 #define IPPROTO_ICMP 1 /* control message protocol */ 157 #define IPPROTO_IGMP 2 /* group control protocol */ 158 #define IPPROTO_GGP 3 /* gateway^2 (deprecated) */ 159 #define IPPROTO_ENCAP 4 /* IP in IP encapsulation */ 160 #define IPPROTO_TCP 6 /* tcp */ 161 #define IPPROTO_EGP 8 /* exterior gateway protocol */ 162 #define IPPROTO_PUP 12 /* pup */ 163 #define IPPROTO_UDP 17 /* user datagram protocol */ 164 #define IPPROTO_IDP 22 /* xns idp */ 165 #define IPPROTO_IPV6 41 /* IPv6 encapsulated in IP */ 166 #define IPPROTO_ROUTING 43 /* Routing header for IPv6 */ 167 #define IPPROTO_FRAGMENT 44 /* Fragment header for IPv6 */ 168 #define IPPROTO_RSVP 46 /* rsvp */ 169 #define IPPROTO_ESP 50 /* IPsec Encap. Sec. Payload */ 170 #define IPPROTO_AH 51 /* IPsec Authentication Hdr. */ 171 #define IPPROTO_ICMPV6 58 /* ICMP for IPv6 */ 172 #define IPPROTO_NONE 59 /* No next header for IPv6 */ 173 #define IPPROTO_DSTOPTS 60 /* Destination options */ 174 #define IPPROTO_HELLO 63 /* "hello" routing protocol */ 175 #define IPPROTO_ND 77 /* UNOFFICIAL net disk proto */ 176 #define IPPROTO_EON 80 /* ISO clnp */ 177 #define IPPROTO_OSPF 89 /* OSPF */ 178 #define IPPROTO_PIM 103 /* PIM routing protocol */ 179 #define IPPROTO_SCTP 132 /* Stream Control */ 180 /* Transmission Protocol */ 181 182 #define IPPROTO_RAW 255 /* raw IP packet */ 183 #define IPPROTO_MAX 256 184 185 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 186 #define PROTO_SDP 257 /* Sockets Direct Protocol */ 187 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 188 189 /* 190 * Port/socket numbers: network standard functions 191 * 192 * Entries should exist here for each port number compiled into an ON 193 * component, such as snoop. 194 */ 195 #define IPPORT_ECHO 7 196 #define IPPORT_DISCARD 9 197 #define IPPORT_SYSTAT 11 198 #define IPPORT_DAYTIME 13 199 #define IPPORT_NETSTAT 15 200 #define IPPORT_CHARGEN 19 201 #define IPPORT_FTP 21 202 #define IPPORT_TELNET 23 203 #define IPPORT_SMTP 25 204 #define IPPORT_TIMESERVER 37 205 #define IPPORT_NAMESERVER 42 206 #define IPPORT_WHOIS 43 207 #define IPPORT_DOMAIN 53 208 #define IPPORT_MDNS 5353 209 #define IPPORT_MTP 57 210 211 /* 212 * Port/socket numbers: host specific functions 213 */ 214 #define IPPORT_BOOTPS 67 215 #define IPPORT_BOOTPC 68 216 #define IPPORT_TFTP 69 217 #define IPPORT_RJE 77 218 #define IPPORT_FINGER 79 219 #define IPPORT_HTTP 80 220 #define IPPORT_HTTP_ALT 8080 221 #define IPPORT_TTYLINK 87 222 #define IPPORT_SUPDUP 95 223 #define IPPORT_NTP 123 224 #define IPPORT_NETBIOS_NS 137 225 #define IPPORT_NETBIOS_DGM 138 226 #define IPPORT_NETBIOS_SSN 139 227 #define IPPORT_LDAP 389 228 #define IPPORT_SLP 427 229 #define IPPORT_MIP 434 230 #define IPPORT_SMB 445 /* a.k.a. microsoft-ds */ 231 #define IPPORT_VXLAN 4789 232 233 /* 234 * Internet Key Exchange (IKE) ports 235 */ 236 #define IPPORT_IKE 500 237 #define IPPORT_IKE_NATT 4500 238 239 /* 240 * UNIX TCP sockets 241 */ 242 #define IPPORT_EXECSERVER 512 243 #define IPPORT_LOGINSERVER 513 244 #define IPPORT_CMDSERVER 514 245 #define IPPORT_PRINTER 515 246 #define IPPORT_EFSSERVER 520 247 248 /* 249 * UNIX UDP sockets 250 */ 251 #define IPPORT_BIFFUDP 512 252 #define IPPORT_WHOSERVER 513 253 #define IPPORT_SYSLOG 514 254 #define IPPORT_TALK 517 255 #define IPPORT_ROUTESERVER 520 256 #define IPPORT_RIPNG 521 257 258 /* 259 * DHCPv6 UDP ports 260 */ 261 #define IPPORT_DHCPV6C 546 262 #define IPPORT_DHCPV6S 547 263 264 #define IPPORT_SOCKS 1080 265 266 /* 267 * Ports < IPPORT_RESERVED are reserved for 268 * privileged processes (e.g. root). 269 * Ports > IPPORT_USERRESERVED are reserved 270 * for servers, not necessarily privileged. 271 */ 272 #define IPPORT_RESERVED 1024 273 #define IPPORT_USERRESERVED 5000 274 275 #ifdef _KERNEL 276 #define IPPORT_DYNAMIC_MIN 49152 277 #define IPPORT_DYNAMIC_MAX 65535 278 #endif 279 280 /* 281 * Link numbers 282 */ 283 #define IMPLINK_IP 155 284 #define IMPLINK_LOWEXPER 156 285 #define IMPLINK_HIGHEXPER 158 286 287 /* 288 * IPv4 Internet address 289 * This definition contains obsolete fields for compatibility 290 * with SunOS 3.x and 4.2bsd. The presence of subnets renders 291 * divisions into fixed fields misleading at best. New code 292 * should use only the s_addr field. 293 */ 294 295 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 296 #define _S_un_b S_un_b 297 #define _S_un_w S_un_w 298 #define _S_addr S_addr 299 #define _S_un S_un 300 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 301 302 struct in_addr { 303 union { 304 struct { uint8_t s_b1, s_b2, s_b3, s_b4; } _S_un_b; 305 struct { uint16_t s_w1, s_w2; } _S_un_w; 306 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 307 uint32_t _S_addr; 308 #else 309 in_addr_t _S_addr; 310 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 311 } _S_un; 312 #define s_addr _S_un._S_addr /* should be used for all code */ 313 #define s_host _S_un._S_un_b.s_b2 /* OBSOLETE: host on imp */ 314 #define s_net _S_un._S_un_b.s_b1 /* OBSOLETE: network */ 315 #define s_imp _S_un._S_un_w.s_w2 /* OBSOLETE: imp */ 316 #define s_impno _S_un._S_un_b.s_b4 /* OBSOLETE: imp # */ 317 #define s_lh _S_un._S_un_b.s_b3 /* OBSOLETE: logical host */ 318 }; 319 320 /* 321 * Definitions of bits in internet address integers. 322 * On subnets, the decomposition of addresses to host and net parts 323 * is done according to subnet mask, not the masks here. 324 * 325 * Note that with the introduction of CIDR, IN_CLASSA, IN_CLASSB, 326 * IN_CLASSC, IN_CLASSD and IN_CLASSE macros have become "de-facto 327 * obsolete". IN_MULTICAST macro should be used to test if a address 328 * is a multicast address. 329 */ 330 #define IN_CLASSA(i) (((i) & 0x80000000U) == 0) 331 #define IN_CLASSA_NET 0xff000000U 332 #define IN_CLASSA_NSHIFT 24 333 #define IN_CLASSA_HOST 0x00ffffffU 334 #define IN_CLASSA_MAX 128 335 336 #define IN_CLASSB(i) (((i) & 0xc0000000U) == 0x80000000U) 337 #define IN_CLASSB_NET 0xffff0000U 338 #define IN_CLASSB_NSHIFT 16 339 #define IN_CLASSB_HOST 0x0000ffffU 340 #define IN_CLASSB_MAX 65536 341 342 #define IN_CLASSC(i) (((i) & 0xe0000000U) == 0xc0000000U) 343 #define IN_CLASSC_NET 0xffffff00U 344 #define IN_CLASSC_NSHIFT 8 345 #define IN_CLASSC_HOST 0x000000ffU 346 347 #define IN_CLASSD(i) (((i) & 0xf0000000U) == 0xe0000000U) 348 #define IN_CLASSD_NET 0xf0000000U /* These aren't really */ 349 #define IN_CLASSD_NSHIFT 28 /* net and host fields, but */ 350 #define IN_CLASSD_HOST 0x0fffffffU /* routing needn't know */ 351 352 #define IN_CLASSE(i) (((i) & 0xf0000000U) == 0xf0000000U) 353 #define IN_CLASSE_NET 0xffffffffU 354 355 #define IN_MULTICAST(i) IN_CLASSD(i) 356 357 /* 358 * We have removed CLASS E checks from the kernel 359 * But we preserve these defines for userland in order 360 * to avoid compile breakage of some 3rd party piece of software 361 */ 362 #ifndef _KERNEL 363 #define IN_EXPERIMENTAL(i) (((i) & 0xe0000000U) == 0xe0000000U) 364 #define IN_BADCLASS(i) (((i) & 0xf0000000U) == 0xf0000000U) 365 #endif 366 367 #define INADDR_ANY 0x00000000U 368 #define INADDR_LOOPBACK 0x7F000001U 369 #define INADDR_BROADCAST 0xffffffffU /* must be masked */ 370 #define INADDR_NONE 0xffffffffU 371 372 #define INADDR_UNSPEC_GROUP 0xe0000000U /* 224.0.0.0 */ 373 #define INADDR_ALLHOSTS_GROUP 0xe0000001U /* 224.0.0.1 */ 374 #define INADDR_ALLRTRS_GROUP 0xe0000002U /* 224.0.0.2 */ 375 #define INADDR_ALLRPTS_GROUP 0xe0000016U /* 224.0.0.22, IGMPv3 */ 376 #define INADDR_MAX_LOCAL_GROUP 0xe00000ffU /* 224.0.0.255 */ 377 378 /* Scoped IPv4 prefixes (in host byte-order) */ 379 #define IN_AUTOCONF_NET 0xa9fe0000U /* 169.254/16 */ 380 #define IN_AUTOCONF_MASK 0xffff0000U 381 #define IN_PRIVATE8_NET 0x0a000000U /* 10/8 */ 382 #define IN_PRIVATE8_MASK 0xff000000U 383 #define IN_PRIVATE12_NET 0xac100000U /* 172.16/12 */ 384 #define IN_PRIVATE12_MASK 0xfff00000U 385 #define IN_PRIVATE16_NET 0xc0a80000U /* 192.168/16 */ 386 #define IN_PRIVATE16_MASK 0xffff0000U 387 388 /* RFC 3927 IPv4 link local address (i in host byte-order) */ 389 #define IN_LINKLOCAL(i) (((i) & IN_AUTOCONF_MASK) == IN_AUTOCONF_NET) 390 391 /* Well known 6to4 Relay Router Anycast address defined in RFC 3068 */ 392 #if !defined(_XPG4_2) || !defined(__EXTENSIONS__) 393 #define INADDR_6TO4RRANYCAST 0xc0586301U /* 192.88.99.1 */ 394 #endif /* !defined(_XPG4_2) || !defined(__EXTENSIONS__) */ 395 396 #define IN_LOOPBACKNET 127 /* official! */ 397 398 /* 399 * Define a macro to stuff the loopback address into an Internet address 400 */ 401 #if !defined(_XPG4_2) || !defined(__EXTENSIONS__) 402 #define IN_SET_LOOPBACK_ADDR(a) \ 403 { (a)->sin_addr.s_addr = htonl(INADDR_LOOPBACK); \ 404 (a)->sin_family = AF_INET; } 405 #endif /* !defined(_XPG4_2) || !defined(__EXTENSIONS__) */ 406 407 /* 408 * IPv4 Socket address. 409 */ 410 struct sockaddr_in { 411 sa_family_t sin_family; 412 in_port_t sin_port; 413 struct in_addr sin_addr; 414 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 415 char sin_zero[8]; 416 #else 417 unsigned char sin_zero[8]; 418 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 419 }; 420 421 #if !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) 422 /* 423 * IPv6 socket address. 424 */ 425 struct sockaddr_in6 { 426 sa_family_t sin6_family; 427 in_port_t sin6_port; 428 uint32_t sin6_flowinfo; 429 struct in6_addr sin6_addr; 430 uint32_t sin6_scope_id; /* Depends on scope of sin6_addr */ 431 uint32_t __sin6_src_id; /* Impl. specific - UDP replies */ 432 }; 433 434 /* 435 * Macros for accessing the traffic class and flow label fields from 436 * sin6_flowinfo. 437 * These are designed to be applied to a 32-bit value. 438 */ 439 #ifdef _BIG_ENDIAN 440 441 /* masks */ 442 #define IPV6_FLOWINFO_FLOWLABEL 0x000fffffU 443 #define IPV6_FLOWINFO_TCLASS 0x0ff00000U 444 445 #else /* _BIG_ENDIAN */ 446 447 /* masks */ 448 #define IPV6_FLOWINFO_FLOWLABEL 0xffff0f00U 449 #define IPV6_FLOWINFO_TCLASS 0x0000f00fU 450 451 #endif /* _BIG_ENDIAN */ 452 453 /* 454 * Note: Macros IN6ADDR_ANY_INIT and IN6ADDR_LOOPBACK_INIT are for 455 * use as RHS of Static initializers of "struct in6_addr" (or in6_addr_t) 456 * only. They need to be different for User/Kernel versions because union 457 * component data structure is defined differently (it is identical at 458 * binary representation level). 459 * 460 * const struct in6_addr IN6ADDR_ANY_INIT; 461 * const struct in6_addr IN6ADDR_LOOPBACK_INIT; 462 */ 463 464 465 #ifdef _KERNEL 466 #define IN6ADDR_ANY_INIT { 0, 0, 0, 0 } 467 468 #ifdef _BIG_ENDIAN 469 #define IN6ADDR_LOOPBACK_INIT { 0, 0, 0, 0x00000001U } 470 #else /* _BIG_ENDIAN */ 471 #define IN6ADDR_LOOPBACK_INIT { 0, 0, 0, 0x01000000U } 472 #endif /* _BIG_ENDIAN */ 473 474 #else 475 476 #define IN6ADDR_ANY_INIT { 0, 0, 0, 0, \ 477 0, 0, 0, 0, \ 478 0, 0, 0, 0, \ 479 0, 0, 0, 0 } 480 481 #define IN6ADDR_LOOPBACK_INIT { 0, 0, 0, 0, \ 482 0, 0, 0, 0, \ 483 0, 0, 0, 0, \ 484 0, 0, 0, 0x1U } 485 #endif /* _KERNEL */ 486 487 /* 488 * RFC 2553 specifies the following macros. Their type is defined 489 * as "int" in the RFC but they only have boolean significance 490 * (zero or non-zero). For the purposes of our comment notation, 491 * we assume a hypothetical type "bool" defined as follows to 492 * write the prototypes assumed for macros in our comments better. 493 * 494 * typedef int bool; 495 */ 496 497 /* 498 * IN6 macros used to test for special IPv6 addresses 499 * (Mostly from spec) 500 * 501 * bool IN6_IS_ADDR_UNSPECIFIED (const struct in6_addr *); 502 * bool IN6_IS_ADDR_LOOPBACK (const struct in6_addr *); 503 * bool IN6_IS_ADDR_MULTICAST (const struct in6_addr *); 504 * bool IN6_IS_ADDR_LINKLOCAL (const struct in6_addr *); 505 * bool IN6_IS_ADDR_SITELOCAL (const struct in6_addr *); 506 * bool IN6_IS_ADDR_V4MAPPED (const struct in6_addr *); 507 * bool IN6_IS_ADDR_V4MAPPED_ANY(const struct in6_addr *); -- Not from RFC2553 508 * bool IN6_IS_ADDR_V4COMPAT (const struct in6_addr *); 509 * bool IN6_IS_ADDR_MC_RESERVED (const struct in6_addr *); -- Not from RFC2553 510 * bool IN6_IS_ADDR_MC_NODELOCAL(const struct in6_addr *); 511 * bool IN6_IS_ADDR_MC_LINKLOCAL(const struct in6_addr *); 512 * bool IN6_IS_ADDR_MC_SITELOCAL(const struct in6_addr *); 513 * bool IN6_IS_ADDR_MC_ORGLOCAL (const struct in6_addr *); 514 * bool IN6_IS_ADDR_MC_GLOBAL (const struct in6_addr *); 515 * bool IN6_IS_ADDR_6TO4 (const struct in6_addr *); -- Not from RFC2553 516 * bool IN6_ARE_6TO4_PREFIX_EQUAL(const struct in6_addr *, 517 * const struct in6_addr *); -- Not from RFC2553 518 * bool IN6_IS_ADDR_LINKSCOPE (const struct in6addr *); -- Not from RFC2553 519 */ 520 521 #define IN6_IS_ADDR_UNSPECIFIED(addr) \ 522 (((addr)->_S6_un._S6_u32[3] == 0) && \ 523 ((addr)->_S6_un._S6_u32[2] == 0) && \ 524 ((addr)->_S6_un._S6_u32[1] == 0) && \ 525 ((addr)->_S6_un._S6_u32[0] == 0)) 526 527 #ifdef _BIG_ENDIAN 528 #define IN6_IS_ADDR_LOOPBACK(addr) \ 529 (((addr)->_S6_un._S6_u32[3] == 0x00000001) && \ 530 ((addr)->_S6_un._S6_u32[2] == 0) && \ 531 ((addr)->_S6_un._S6_u32[1] == 0) && \ 532 ((addr)->_S6_un._S6_u32[0] == 0)) 533 #else /* _BIG_ENDIAN */ 534 #define IN6_IS_ADDR_LOOPBACK(addr) \ 535 (((addr)->_S6_un._S6_u32[3] == 0x01000000) && \ 536 ((addr)->_S6_un._S6_u32[2] == 0) && \ 537 ((addr)->_S6_un._S6_u32[1] == 0) && \ 538 ((addr)->_S6_un._S6_u32[0] == 0)) 539 #endif /* _BIG_ENDIAN */ 540 541 #ifdef _BIG_ENDIAN 542 #define IN6_IS_ADDR_MULTICAST(addr) \ 543 (((addr)->_S6_un._S6_u32[0] & 0xff000000) == 0xff000000) 544 #else /* _BIG_ENDIAN */ 545 #define IN6_IS_ADDR_MULTICAST(addr) \ 546 (((addr)->_S6_un._S6_u32[0] & 0x000000ff) == 0x000000ff) 547 #endif /* _BIG_ENDIAN */ 548 549 #ifdef _BIG_ENDIAN 550 #define IN6_IS_ADDR_LINKLOCAL(addr) \ 551 (((addr)->_S6_un._S6_u32[0] & 0xffc00000) == 0xfe800000) 552 #else /* _BIG_ENDIAN */ 553 #define IN6_IS_ADDR_LINKLOCAL(addr) \ 554 (((addr)->_S6_un._S6_u32[0] & 0x0000c0ff) == 0x000080fe) 555 #endif /* _BIG_ENDIAN */ 556 557 #ifdef _BIG_ENDIAN 558 #define IN6_IS_ADDR_SITELOCAL(addr) \ 559 (((addr)->_S6_un._S6_u32[0] & 0xffc00000) == 0xfec00000) 560 #else /* _BIG_ENDIAN */ 561 #define IN6_IS_ADDR_SITELOCAL(addr) \ 562 (((addr)->_S6_un._S6_u32[0] & 0x0000c0ff) == 0x0000c0fe) 563 #endif /* _BIG_ENDIAN */ 564 565 #ifdef _BIG_ENDIAN 566 #define IN6_IS_ADDR_V4MAPPED(addr) \ 567 (((addr)->_S6_un._S6_u32[2] == 0x0000ffff) && \ 568 ((addr)->_S6_un._S6_u32[1] == 0) && \ 569 ((addr)->_S6_un._S6_u32[0] == 0)) 570 #else /* _BIG_ENDIAN */ 571 #define IN6_IS_ADDR_V4MAPPED(addr) \ 572 (((addr)->_S6_un._S6_u32[2] == 0xffff0000U) && \ 573 ((addr)->_S6_un._S6_u32[1] == 0) && \ 574 ((addr)->_S6_un._S6_u32[0] == 0)) 575 #endif /* _BIG_ENDIAN */ 576 577 /* 578 * IN6_IS_ADDR_V4MAPPED - A IPv4 mapped INADDR_ANY 579 * Note: This macro is currently NOT defined in RFC2553 specification 580 * and not a standard macro that portable applications should use. 581 */ 582 #ifdef _BIG_ENDIAN 583 #define IN6_IS_ADDR_V4MAPPED_ANY(addr) \ 584 (((addr)->_S6_un._S6_u32[3] == 0) && \ 585 ((addr)->_S6_un._S6_u32[2] == 0x0000ffff) && \ 586 ((addr)->_S6_un._S6_u32[1] == 0) && \ 587 ((addr)->_S6_un._S6_u32[0] == 0)) 588 #else /* _BIG_ENDIAN */ 589 #define IN6_IS_ADDR_V4MAPPED_ANY(addr) \ 590 (((addr)->_S6_un._S6_u32[3] == 0) && \ 591 ((addr)->_S6_un._S6_u32[2] == 0xffff0000U) && \ 592 ((addr)->_S6_un._S6_u32[1] == 0) && \ 593 ((addr)->_S6_un._S6_u32[0] == 0)) 594 #endif /* _BIG_ENDIAN */ 595 596 /* Exclude loopback and unspecified address */ 597 #ifdef _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] == 0x00000001)) 604 605 #else /* _BIG_ENDIAN */ 606 #define IN6_IS_ADDR_V4COMPAT(addr) \ 607 (((addr)->_S6_un._S6_u32[2] == 0) && \ 608 ((addr)->_S6_un._S6_u32[1] == 0) && \ 609 ((addr)->_S6_un._S6_u32[0] == 0) && \ 610 !((addr)->_S6_un._S6_u32[3] == 0) && \ 611 !((addr)->_S6_un._S6_u32[3] == 0x01000000)) 612 #endif /* _BIG_ENDIAN */ 613 614 /* 615 * Note: 616 * IN6_IS_ADDR_MC_RESERVED macro is currently NOT defined in RFC2553 617 * specification and not a standard macro that portable applications 618 * should use. 619 */ 620 #ifdef _BIG_ENDIAN 621 #define IN6_IS_ADDR_MC_RESERVED(addr) \ 622 (((addr)->_S6_un._S6_u32[0] & 0xff0f0000) == 0xff000000) 623 624 #else /* _BIG_ENDIAN */ 625 #define IN6_IS_ADDR_MC_RESERVED(addr) \ 626 (((addr)->_S6_un._S6_u32[0] & 0x00000fff) == 0x000000ff) 627 #endif /* _BIG_ENDIAN */ 628 629 #ifdef _BIG_ENDIAN 630 #define IN6_IS_ADDR_MC_NODELOCAL(addr) \ 631 (((addr)->_S6_un._S6_u32[0] & 0xff0f0000) == 0xff010000) 632 #else /* _BIG_ENDIAN */ 633 #define IN6_IS_ADDR_MC_NODELOCAL(addr) \ 634 (((addr)->_S6_un._S6_u32[0] & 0x00000fff) == 0x000001ff) 635 #endif /* _BIG_ENDIAN */ 636 637 #ifdef _BIG_ENDIAN 638 #define IN6_IS_ADDR_MC_LINKLOCAL(addr) \ 639 (((addr)->_S6_un._S6_u32[0] & 0xff0f0000) == 0xff020000) 640 #else /* _BIG_ENDIAN */ 641 #define IN6_IS_ADDR_MC_LINKLOCAL(addr) \ 642 (((addr)->_S6_un._S6_u32[0] & 0x00000fff) == 0x000002ff) 643 #endif /* _BIG_ENDIAN */ 644 645 #ifdef _BIG_ENDIAN 646 #define IN6_IS_ADDR_MC_SITELOCAL(addr) \ 647 (((addr)->_S6_un._S6_u32[0] & 0xff0f0000) == 0xff050000) 648 #else /* _BIG_ENDIAN */ 649 #define IN6_IS_ADDR_MC_SITELOCAL(addr) \ 650 (((addr)->_S6_un._S6_u32[0] & 0x00000fff) == 0x000005ff) 651 #endif /* _BIG_ENDIAN */ 652 653 #ifdef _BIG_ENDIAN 654 #define IN6_IS_ADDR_MC_ORGLOCAL(addr) \ 655 (((addr)->_S6_un._S6_u32[0] & 0xff0f0000) == 0xff080000) 656 #else /* _BIG_ENDIAN */ 657 #define IN6_IS_ADDR_MC_ORGLOCAL(addr) \ 658 (((addr)->_S6_un._S6_u32[0] & 0x00000fff) == 0x000008ff) 659 #endif /* _BIG_ENDIAN */ 660 661 #ifdef _BIG_ENDIAN 662 #define IN6_IS_ADDR_MC_GLOBAL(addr) \ 663 (((addr)->_S6_un._S6_u32[0] & 0xff0f0000) == 0xff0e0000) 664 #else /* _BIG_ENDIAN */ 665 #define IN6_IS_ADDR_MC_GLOBAL(addr) \ 666 (((addr)->_S6_un._S6_u32[0] & 0x00000fff) == 0x00000eff) 667 #endif /* _BIG_ENDIAN */ 668 669 /* 670 * The IN6_IS_ADDR_MC_SOLICITEDNODE macro is not defined in any standard or 671 * RFC, and shouldn't be used by portable applications. It is used to see 672 * if an address is a solicited-node multicast address, which is prefixed 673 * with ff02:0:0:0:0:1:ff00::/104. 674 */ 675 #ifdef _BIG_ENDIAN 676 #define IN6_IS_ADDR_MC_SOLICITEDNODE(addr) \ 677 (((addr)->_S6_un._S6_u32[0] == 0xff020000) && \ 678 ((addr)->_S6_un._S6_u32[1] == 0x00000000) && \ 679 ((addr)->_S6_un._S6_u32[2] == 0x00000001) && \ 680 (((addr)->_S6_un._S6_u32[3] & 0xff000000) == 0xff000000)) 681 #else 682 #define IN6_IS_ADDR_MC_SOLICITEDNODE(addr) \ 683 (((addr)->_S6_un._S6_u32[0] == 0x000002ff) && \ 684 ((addr)->_S6_un._S6_u32[1] == 0x00000000) && \ 685 ((addr)->_S6_un._S6_u32[2] == 0x01000000) && \ 686 (((addr)->_S6_un._S6_u32[3] & 0x000000ff) == 0x000000ff)) 687 #endif 688 689 /* 690 * Macros to a) test for 6to4 IPv6 address, and b) to test if two 691 * 6to4 addresses have the same /48 prefix, and, hence, are from the 692 * same 6to4 site. 693 */ 694 695 #ifdef _BIG_ENDIAN 696 #define IN6_IS_ADDR_6TO4(addr) \ 697 (((addr)->_S6_un._S6_u32[0] & 0xffff0000) == 0x20020000) 698 #else /* _BIG_ENDIAN */ 699 #define IN6_IS_ADDR_6TO4(addr) \ 700 (((addr)->_S6_un._S6_u32[0] & 0x0000ffff) == 0x00000220) 701 #endif /* _BIG_ENDIAN */ 702 703 #define IN6_ARE_6TO4_PREFIX_EQUAL(addr1, addr2) \ 704 (((addr1)->_S6_un._S6_u32[0] == (addr2)->_S6_un._S6_u32[0]) && \ 705 ((addr1)->_S6_un._S6_u8[4] == (addr2)->_S6_un._S6_u8[4]) && \ 706 ((addr1)->_S6_un._S6_u8[5] == (addr2)->_S6_un._S6_u8[5])) 707 708 /* 709 * IN6_IS_ADDR_LINKSCOPE 710 * Identifies an address as being either link-local, link-local multicast or 711 * node-local multicast. All types of addresses are considered to be unique 712 * within the scope of a given link. 713 */ 714 #define IN6_IS_ADDR_LINKSCOPE(addr) \ 715 (IN6_IS_ADDR_LINKLOCAL(addr) || IN6_IS_ADDR_MC_LINKLOCAL(addr) || \ 716 IN6_IS_ADDR_MC_NODELOCAL(addr)) 717 718 /* 719 * Useful utility macros for operations with IPv6 addresses 720 * Note: These macros are NOT defined in the RFC2553 or any other 721 * standard specification and are not standard macros that portable 722 * applications should use. 723 */ 724 725 /* 726 * IN6_V4MAPPED_TO_INADDR 727 * IN6_V4MAPPED_TO_IPADDR 728 * Assign a IPv4-Mapped IPv6 address to an IPv4 address. 729 * Note: These macros are NOT defined in RFC2553 or any other standard 730 * specification and are not macros that portable applications should 731 * use. 732 * 733 * void IN6_V4MAPPED_TO_INADDR(const in6_addr_t *v6, struct in_addr *v4); 734 * void IN6_V4MAPPED_TO_IPADDR(const in6_addr_t *v6, ipaddr_t v4); 735 * 736 */ 737 #define IN6_V4MAPPED_TO_INADDR(v6, v4) \ 738 ((v4)->s_addr = (v6)->_S6_un._S6_u32[3]) 739 #define IN6_V4MAPPED_TO_IPADDR(v6, v4) \ 740 ((v4) = (v6)->_S6_un._S6_u32[3]) 741 742 /* 743 * IN6_INADDR_TO_V4MAPPED 744 * IN6_IPADDR_TO_V4MAPPED 745 * Assign a IPv4 address address to an IPv6 address as a IPv4-mapped 746 * address. 747 * Note: These macros are NOT defined in RFC2553 or any other standard 748 * specification and are not macros that portable applications should 749 * use. 750 * 751 * void IN6_INADDR_TO_V4MAPPED(const struct in_addr *v4, in6_addr_t *v6); 752 * void IN6_IPADDR_TO_V4MAPPED(const ipaddr_t v4, in6_addr_t *v6); 753 * 754 */ 755 #ifdef _BIG_ENDIAN 756 #define IN6_INADDR_TO_V4MAPPED(v4, v6) \ 757 ((v6)->_S6_un._S6_u32[3] = (v4)->s_addr, \ 758 (v6)->_S6_un._S6_u32[2] = 0x0000ffff, \ 759 (v6)->_S6_un._S6_u32[1] = 0, \ 760 (v6)->_S6_un._S6_u32[0] = 0) 761 #define IN6_IPADDR_TO_V4MAPPED(v4, v6) \ 762 ((v6)->_S6_un._S6_u32[3] = (v4), \ 763 (v6)->_S6_un._S6_u32[2] = 0x0000ffff, \ 764 (v6)->_S6_un._S6_u32[1] = 0, \ 765 (v6)->_S6_un._S6_u32[0] = 0) 766 #else /* _BIG_ENDIAN */ 767 #define IN6_INADDR_TO_V4MAPPED(v4, v6) \ 768 ((v6)->_S6_un._S6_u32[3] = (v4)->s_addr, \ 769 (v6)->_S6_un._S6_u32[2] = 0xffff0000U, \ 770 (v6)->_S6_un._S6_u32[1] = 0, \ 771 (v6)->_S6_un._S6_u32[0] = 0) 772 #define IN6_IPADDR_TO_V4MAPPED(v4, v6) \ 773 ((v6)->_S6_un._S6_u32[3] = (v4), \ 774 (v6)->_S6_un._S6_u32[2] = 0xffff0000U, \ 775 (v6)->_S6_un._S6_u32[1] = 0, \ 776 (v6)->_S6_un._S6_u32[0] = 0) 777 #endif /* _BIG_ENDIAN */ 778 779 /* 780 * IN6_6TO4_TO_V4ADDR 781 * Extract the embedded IPv4 address from the prefix to a 6to4 IPv6 782 * address. 783 * Note: This macro is NOT defined in RFC2553 or any other standard 784 * specification and is not a macro that portable applications should 785 * use. 786 * Note: we don't use the IPADDR form of the macro because we need 787 * to do a bytewise copy; the V4ADDR in the 6to4 address is not 788 * 32-bit aligned. 789 * 790 * void IN6_6TO4_TO_V4ADDR(const in6_addr_t *v6, struct in_addr *v4); 791 * 792 */ 793 #define IN6_6TO4_TO_V4ADDR(v6, v4) \ 794 ((v4)->_S_un._S_un_b.s_b1 = (v6)->_S6_un._S6_u8[2], \ 795 (v4)->_S_un._S_un_b.s_b2 = (v6)->_S6_un._S6_u8[3], \ 796 (v4)->_S_un._S_un_b.s_b3 = (v6)->_S6_un._S6_u8[4], \ 797 (v4)->_S_un._S_un_b.s_b4 = (v6)->_S6_un._S6_u8[5]) 798 799 /* 800 * IN6_V4ADDR_TO_6TO4 801 * Given an IPv4 address and an IPv6 address for output, a 6to4 address 802 * will be created from the IPv4 Address. 803 * Note: This method for creating 6to4 addresses is not standardized 804 * outside of Solaris. The newly created 6to4 address will be of the form 805 * 2002:<V4ADDR>:<SUBNETID>::<HOSTID>, where SUBNETID will equal 0 and 806 * HOSTID will equal 1. 807 * 808 * void IN6_V4ADDR_TO_6TO4(const struct in_addr *v4, in6_addr_t *v6) 809 * 810 */ 811 #ifdef _BIG_ENDIAN 812 #define IN6_V4ADDR_TO_6TO4(v4, v6) \ 813 ((v6)->_S6_un._S6_u8[0] = 0x20, \ 814 (v6)->_S6_un._S6_u8[1] = 0x02, \ 815 (v6)->_S6_un._S6_u8[2] = (v4)->_S_un._S_un_b.s_b1, \ 816 (v6)->_S6_un._S6_u8[3] = (v4)->_S_un._S_un_b.s_b2, \ 817 (v6)->_S6_un._S6_u8[4] = (v4)->_S_un._S_un_b.s_b3, \ 818 (v6)->_S6_un._S6_u8[5] = (v4)->_S_un._S_un_b.s_b4, \ 819 (v6)->_S6_un._S6_u8[6] = 0, \ 820 (v6)->_S6_un._S6_u8[7] = 0, \ 821 (v6)->_S6_un._S6_u32[2] = 0, \ 822 (v6)->_S6_un._S6_u32[3] = 0x00000001U) 823 #else 824 #define IN6_V4ADDR_TO_6TO4(v4, v6) \ 825 ((v6)->_S6_un._S6_u8[0] = 0x20, \ 826 (v6)->_S6_un._S6_u8[1] = 0x02, \ 827 (v6)->_S6_un._S6_u8[2] = (v4)->_S_un._S_un_b.s_b1, \ 828 (v6)->_S6_un._S6_u8[3] = (v4)->_S_un._S_un_b.s_b2, \ 829 (v6)->_S6_un._S6_u8[4] = (v4)->_S_un._S_un_b.s_b3, \ 830 (v6)->_S6_un._S6_u8[5] = (v4)->_S_un._S_un_b.s_b4, \ 831 (v6)->_S6_un._S6_u8[6] = 0, \ 832 (v6)->_S6_un._S6_u8[7] = 0, \ 833 (v6)->_S6_un._S6_u32[2] = 0, \ 834 (v6)->_S6_un._S6_u32[3] = 0x01000000U) 835 #endif /* _BIG_ENDIAN */ 836 837 /* 838 * IN6_ARE_ADDR_EQUAL (defined in RFC2292) 839 * Compares if IPv6 addresses are equal. 840 * Note: Compares in order of high likelyhood of a miss so we minimize 841 * compares. (Current heuristic order, compare in reverse order of 842 * uint32_t units) 843 * 844 * bool IN6_ARE_ADDR_EQUAL(const struct in6_addr *, 845 * const struct in6_addr *); 846 */ 847 #define IN6_ARE_ADDR_EQUAL(addr1, addr2) \ 848 (((addr1)->_S6_un._S6_u32[3] == (addr2)->_S6_un._S6_u32[3]) && \ 849 ((addr1)->_S6_un._S6_u32[2] == (addr2)->_S6_un._S6_u32[2]) && \ 850 ((addr1)->_S6_un._S6_u32[1] == (addr2)->_S6_un._S6_u32[1]) && \ 851 ((addr1)->_S6_un._S6_u32[0] == (addr2)->_S6_un._S6_u32[0])) 852 853 /* 854 * IN6_ARE_PREFIXEDADDR_EQUAL (not defined in RFCs) 855 * Compares if prefixed parts of IPv6 addresses are equal. 856 * 857 * uint32_t IN6_MASK_FROM_PREFIX(int, int); 858 * bool IN6_ARE_PREFIXEDADDR_EQUAL(const struct in6_addr *, 859 * const struct in6_addr *, 860 * int); 861 */ 862 #define IN6_MASK_FROM_PREFIX(qoctet, prefix) \ 863 ((((qoctet) + 1) * 32 < (prefix)) ? 0xFFFFFFFFu : \ 864 ((((qoctet) * 32) >= (prefix)) ? 0x00000000u : \ 865 0xFFFFFFFFu << (((qoctet) + 1) * 32 - (prefix)))) 866 867 #define IN6_ARE_PREFIXEDADDR_EQUAL(addr1, addr2, prefix) \ 868 (((ntohl((addr1)->_S6_un._S6_u32[0]) & \ 869 IN6_MASK_FROM_PREFIX(0, prefix)) == \ 870 (ntohl((addr2)->_S6_un._S6_u32[0]) & \ 871 IN6_MASK_FROM_PREFIX(0, prefix))) && \ 872 ((ntohl((addr1)->_S6_un._S6_u32[1]) & \ 873 IN6_MASK_FROM_PREFIX(1, prefix)) == \ 874 (ntohl((addr2)->_S6_un._S6_u32[1]) & \ 875 IN6_MASK_FROM_PREFIX(1, prefix))) && \ 876 ((ntohl((addr1)->_S6_un._S6_u32[2]) & \ 877 IN6_MASK_FROM_PREFIX(2, prefix)) == \ 878 (ntohl((addr2)->_S6_un._S6_u32[2]) & \ 879 IN6_MASK_FROM_PREFIX(2, prefix))) && \ 880 ((ntohl((addr1)->_S6_un._S6_u32[3]) & \ 881 IN6_MASK_FROM_PREFIX(3, prefix)) == \ 882 (ntohl((addr2)->_S6_un._S6_u32[3]) & \ 883 IN6_MASK_FROM_PREFIX(3, prefix)))) 884 885 #endif /* !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) */ 886 887 888 /* 889 * Options for use with [gs]etsockopt at the IP level. 890 * 891 * Note: Some of the IP_ namespace has conflict with and 892 * and is exposed through <xti.h>. (It also requires exposing 893 * options not implemented). The options with potential 894 * for conflicts use #ifndef guards. 895 */ 896 #ifndef IP_OPTIONS 897 #define IP_OPTIONS 1 /* set/get IP per-packet options */ 898 #endif 899 900 #define IP_HDRINCL 2 /* int; header is included with data (raw) */ 901 902 #ifndef IP_TOS 903 #define IP_TOS 3 /* int; IP type of service and precedence */ 904 #endif 905 906 #ifndef IP_TTL 907 #define IP_TTL 4 /* int; IP time to live */ 908 #endif 909 910 #define IP_RECVOPTS 0x5 /* int; receive all IP options w/datagram */ 911 #define IP_RECVRETOPTS 0x6 /* int; receive IP options for response */ 912 #define IP_RECVDSTADDR 0x7 /* int; receive IP dst addr w/datagram */ 913 #define IP_RETOPTS 0x8 /* ip_opts; set/get IP per-packet options */ 914 #define IP_RECVIF 0x9 /* int; receive the inbound interface index */ 915 #define IP_RECVSLLA 0xa /* sockaddr_dl; get source link layer address */ 916 #define IP_RECVTTL 0xb /* uint8_t; get TTL for inbound packet */ 917 #define IP_RECVTOS 0xc /* uint8_t; get TOS for inbound packet */ 918 919 #define IP_MULTICAST_IF 0x10 /* set/get IP multicast interface */ 920 #define IP_MULTICAST_TTL 0x11 /* set/get IP multicast timetolive */ 921 #define IP_MULTICAST_LOOP 0x12 /* set/get IP multicast loopback */ 922 #define IP_ADD_MEMBERSHIP 0x13 /* add an IP group membership */ 923 #define IP_DROP_MEMBERSHIP 0x14 /* drop an IP group membership */ 924 #define IP_BLOCK_SOURCE 0x15 /* block mcast pkts from source */ 925 #define IP_UNBLOCK_SOURCE 0x16 /* unblock mcast pkts from source */ 926 #define IP_ADD_SOURCE_MEMBERSHIP 0x17 /* add mcast group/source pair */ 927 #define IP_DROP_SOURCE_MEMBERSHIP 0x18 /* drop mcast group/source pair */ 928 #define IP_NEXTHOP 0x19 /* send directly to next hop */ 929 /* 930 * IP_PKTINFO and IP_RECVPKTINFO have same value. Size of argument passed in 931 * is used to differentiate b/w the two. 932 */ 933 #define IP_PKTINFO 0x1a /* specify src address and/or index */ 934 #define IP_RECVPKTINFO 0x1a /* recv dest/matched addr and index */ 935 #define IP_DONTFRAG 0x1b /* don't fragment packets */ 936 #define IP_MINTTL 0x1c /* minimum acceptable TTL */ 937 938 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 939 /* 940 * Different preferences that can be requested from IPSEC protocols. 941 */ 942 #define IP_SEC_OPT 0x22 /* Used to set IPSEC options */ 943 #define IPSEC_PREF_NEVER 0x01 944 #define IPSEC_PREF_REQUIRED 0x02 945 #define IPSEC_PREF_UNIQUE 0x04 946 /* 947 * This can be used with the setsockopt() call to set per socket security 948 * options. When the application uses per-socket API, we will reflect 949 * the request on both outbound and inbound packets. 950 */ 951 952 typedef struct ipsec_req { 953 uint_t ipsr_ah_req; /* AH request */ 954 uint_t ipsr_esp_req; /* ESP request */ 955 uint_t ipsr_self_encap_req; /* Self-Encap request */ 956 uint8_t ipsr_auth_alg; /* Auth algs for AH */ 957 uint8_t ipsr_esp_alg; /* Encr algs for ESP */ 958 uint8_t ipsr_esp_auth_alg; /* Auth algs for ESP */ 959 } ipsec_req_t; 960 961 /* 962 * MCAST_* options are protocol-independent. The actual definitions 963 * are with the v6 options below; this comment is here to note the 964 * namespace usage. 965 * 966 * #define MCAST_JOIN_GROUP 0x29 967 * #define MCAST_LEAVE_GROUP 0x2a 968 * #define MCAST_BLOCK_SOURCE 0x2b 969 * #define MCAST_UNBLOCK_SOURCE 0x2c 970 * #define MCAST_JOIN_SOURCE_GROUP 0x2d 971 * #define MCAST_LEAVE_SOURCE_GROUP 0x2e 972 */ 973 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 974 975 /* 976 * SunOS private (potentially not portable) IP_ option names 977 */ 978 #define IP_BOUND_IF 0x41 /* bind socket to an ifindex */ 979 #define IP_UNSPEC_SRC 0x42 /* use unspecified source address */ 980 #define IP_BROADCAST_TTL 0x43 /* use specific TTL for broadcast */ 981 /* can be reused 0x44 */ 982 #define IP_DHCPINIT_IF 0x45 /* accept all unicast DHCP traffic */ 983 984 /* 985 * Option values and names (when !_XPG5) shared with <xti_inet.h> 986 */ 987 #ifndef IP_REUSEADDR 988 #define IP_REUSEADDR 0x104 989 #endif 990 991 #ifndef IP_DONTROUTE 992 #define IP_DONTROUTE 0x105 993 #endif 994 995 #ifndef IP_BROADCAST 996 #define IP_BROADCAST 0x106 997 #endif 998 999 /* 1000 * The following option values are reserved by <xti_inet.h> 1001 * 1002 * T_IP_OPTIONS 0x107 - IP per-packet options 1003 * T_IP_TOS 0x108 - IP per packet type of service 1004 */ 1005 1006 /* 1007 * Default value constants for multicast attributes controlled by 1008 * IP*_MULTICAST_LOOP and IP*_MULTICAST_{TTL,HOPS} options. 1009 */ 1010 #define IP_DEFAULT_MULTICAST_TTL 1 /* normally limit m'casts to 1 hop */ 1011 #define IP_DEFAULT_MULTICAST_LOOP 1 /* normally hear sends if a member */ 1012 1013 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 1014 /* 1015 * Argument structure for IP_ADD_MEMBERSHIP and IP_DROP_MEMBERSHIP. 1016 */ 1017 struct ip_mreq { 1018 struct in_addr imr_multiaddr; /* IP multicast address of group */ 1019 struct in_addr imr_interface; /* local IP address of interface */ 1020 }; 1021 1022 /* 1023 * Argument structure for IP_BLOCK_SOURCE, IP_UNBLOCK_SOURCE, 1024 * IP_ADD_SOURCE_MEMBERSHIP, and IP_DROP_SOURCE_MEMBERSHIP. 1025 */ 1026 struct ip_mreq_source { 1027 struct in_addr imr_multiaddr; /* IP address of group */ 1028 struct in_addr imr_sourceaddr; /* IP address of source */ 1029 struct in_addr imr_interface; /* IP address of interface */ 1030 }; 1031 1032 /* 1033 * Argument structure for IPV6_JOIN_GROUP and IPV6_LEAVE_GROUP on 1034 * IPv6 addresses. 1035 */ 1036 struct ipv6_mreq { 1037 struct in6_addr ipv6mr_multiaddr; /* IPv6 multicast addr */ 1038 unsigned int ipv6mr_interface; /* interface index */ 1039 }; 1040 1041 /* 1042 * Use #pragma pack() construct to force 32-bit alignment on amd64. 1043 * This is needed to keep the structure size and offsets consistent 1044 * between a 32-bit app and the 64-bit amd64 kernel in structures 1045 * where 64-bit alignment would create gaps (in this case, structures 1046 * which have a uint32_t followed by a struct sockaddr_storage). 1047 */ 1048 #if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4 1049 #pragma pack(4) 1050 #endif 1051 1052 /* 1053 * Argument structure for MCAST_JOIN_GROUP and MCAST_LEAVE_GROUP. 1054 */ 1055 struct group_req { 1056 uint32_t gr_interface; /* interface index */ 1057 struct sockaddr_storage gr_group; /* group address */ 1058 }; 1059 1060 /* 1061 * Argument structure for MCAST_BLOCK_SOURCE, MCAST_UNBLOCK_SOURCE, 1062 * MCAST_JOIN_SOURCE_GROUP, MCAST_LEAVE_SOURCE_GROUP. 1063 */ 1064 struct group_source_req { 1065 uint32_t gsr_interface; /* interface index */ 1066 struct sockaddr_storage gsr_group; /* group address */ 1067 struct sockaddr_storage gsr_source; /* source address */ 1068 }; 1069 1070 /* 1071 * Argument for SIOC[GS]MSFILTER ioctls 1072 */ 1073 struct group_filter { 1074 uint32_t gf_interface; /* interface index */ 1075 struct sockaddr_storage gf_group; /* multicast address */ 1076 uint32_t gf_fmode; /* filter mode */ 1077 uint32_t gf_numsrc; /* number of sources */ 1078 struct sockaddr_storage gf_slist[1]; /* source address */ 1079 }; 1080 1081 #if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4 1082 #pragma pack() 1083 #endif 1084 1085 #define GROUP_FILTER_SIZE(numsrc) \ 1086 (sizeof (struct group_filter) - sizeof (struct sockaddr_storage) \ 1087 + (numsrc) * sizeof (struct sockaddr_storage)) 1088 1089 /* 1090 * Argument for SIOC[GS]IPMSFILTER ioctls (IPv4-specific) 1091 */ 1092 struct ip_msfilter { 1093 struct in_addr imsf_multiaddr; /* IP multicast address of group */ 1094 struct in_addr imsf_interface; /* local IP address of interface */ 1095 uint32_t imsf_fmode; /* filter mode */ 1096 uint32_t imsf_numsrc; /* number of sources in src_list */ 1097 struct in_addr imsf_slist[1]; /* start of source list */ 1098 }; 1099 1100 #define IP_MSFILTER_SIZE(numsrc) \ 1101 (sizeof (struct ip_msfilter) - sizeof (struct in_addr) \ 1102 + (numsrc) * sizeof (struct in_addr)) 1103 1104 /* 1105 * Multicast source filter manipulation functions in libsocket; 1106 * defined in RFC 3678. 1107 */ 1108 int setsourcefilter(int, uint32_t, struct sockaddr *, socklen_t, uint32_t, 1109 uint_t, struct sockaddr_storage *); 1110 1111 int getsourcefilter(int, uint32_t, struct sockaddr *, socklen_t, uint32_t *, 1112 uint_t *, struct sockaddr_storage *); 1113 1114 int setipv4sourcefilter(int, struct in_addr, struct in_addr, uint32_t, 1115 uint32_t, struct in_addr *); 1116 1117 int getipv4sourcefilter(int, struct in_addr, struct in_addr, uint32_t *, 1118 uint32_t *, struct in_addr *); 1119 1120 /* 1121 * Definitions needed for [gs]etsourcefilter(), [gs]etipv4sourcefilter() 1122 */ 1123 #define MCAST_INCLUDE 1 1124 #define MCAST_EXCLUDE 2 1125 1126 /* 1127 * Argument struct for IP_PKTINFO option 1128 */ 1129 typedef struct in_pktinfo { 1130 unsigned int ipi_ifindex; /* send/recv interface index */ 1131 struct in_addr ipi_spec_dst; /* matched source address */ 1132 struct in_addr ipi_addr; /* src/dst address in IP hdr */ 1133 } in_pktinfo_t; 1134 1135 /* 1136 * Argument struct for IPV6_PKTINFO option 1137 */ 1138 struct in6_pktinfo { 1139 struct in6_addr ipi6_addr; /* src/dst IPv6 address */ 1140 unsigned int ipi6_ifindex; /* send/recv interface index */ 1141 }; 1142 1143 /* 1144 * Argument struct for IPV6_MTUINFO option 1145 */ 1146 struct ip6_mtuinfo { 1147 struct sockaddr_in6 ip6m_addr; /* dst address including zone ID */ 1148 uint32_t ip6m_mtu; /* path MTU in host byte order */ 1149 }; 1150 1151 /* 1152 * IPv6 routing header types 1153 */ 1154 #define IPV6_RTHDR_TYPE_0 0 1155 1156 extern socklen_t inet6_rth_space(int type, int segments); 1157 extern void *inet6_rth_init(void *bp, socklen_t bp_len, int type, int segments); 1158 extern int inet6_rth_add(void *bp, const struct in6_addr *addr); 1159 extern int inet6_rth_reverse(const void *in, void *out); 1160 extern int inet6_rth_segments(const void *bp); 1161 extern struct in6_addr *inet6_rth_getaddr(const void *bp, int index); 1162 1163 extern int inet6_opt_init(void *extbuf, socklen_t extlen); 1164 extern int inet6_opt_append(void *extbuf, socklen_t extlen, int offset, 1165 uint8_t type, socklen_t len, uint_t align, void **databufp); 1166 extern int inet6_opt_finish(void *extbuf, socklen_t extlen, int offset); 1167 extern int inet6_opt_set_val(void *databuf, int offset, void *val, 1168 socklen_t vallen); 1169 extern int inet6_opt_next(void *extbuf, socklen_t extlen, int offset, 1170 uint8_t *typep, socklen_t *lenp, void **databufp); 1171 extern int inet6_opt_find(void *extbufp, socklen_t extlen, int offset, 1172 uint8_t type, socklen_t *lenp, void **databufp); 1173 extern int inet6_opt_get_val(void *databuf, int offset, void *val, 1174 socklen_t vallen); 1175 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 1176 1177 /* 1178 * Argument structure for IP_ADD_PROXY_ADDR. 1179 * Note that this is an unstable, experimental interface. It may change 1180 * later. Don't use it unless you know what it is. 1181 */ 1182 typedef struct { 1183 struct in_addr in_prefix_addr; 1184 unsigned int in_prefix_len; 1185 } in_prefix_t; 1186 1187 1188 #if !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) 1189 /* 1190 * IPv6 options 1191 */ 1192 #define IPV6_UNICAST_HOPS 0x5 /* hop limit value for unicast */ 1193 /* packets. */ 1194 /* argument type: uint_t */ 1195 #define IPV6_MULTICAST_IF 0x6 /* outgoing interface for */ 1196 /* multicast packets. */ 1197 /* argument type: struct in6_addr */ 1198 #define IPV6_MULTICAST_HOPS 0x7 /* hop limit value to use for */ 1199 /* multicast packets. */ 1200 /* argument type: uint_t */ 1201 #define IPV6_MULTICAST_LOOP 0x8 /* enable/disable delivery of */ 1202 /* multicast packets on same socket. */ 1203 /* argument type: uint_t */ 1204 #define IPV6_JOIN_GROUP 0x9 /* join an IPv6 multicast group. */ 1205 /* argument type: struct ipv6_mreq */ 1206 #define IPV6_LEAVE_GROUP 0xa /* leave an IPv6 multicast group */ 1207 /* argument type: struct ipv6_mreq */ 1208 1209 /* 1210 * Other XPG6 constants. 1211 */ 1212 #define INET_ADDRSTRLEN 16 /* max len IPv4 addr in ascii dotted */ 1213 /* decimal notation. */ 1214 #define INET6_ADDRSTRLEN 46 /* max len of IPv6 addr in ascii */ 1215 /* standard colon-hex notation. */ 1216 1217 #endif /* !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) */ 1218 1219 #if !defined(_XPG4_2) || defined(__EXTENSIONS__) 1220 1221 /* 1222 * IPV6_ADD_MEMBERSHIP and IPV6_DROP_MEMBERSHIP are being kept 1223 * for backward compatibility. They have the same meaning as IPV6_JOIN_GROUP 1224 * and IPV6_LEAVE_GROUP respectively. 1225 */ 1226 #define IPV6_ADD_MEMBERSHIP 0x9 /* join an IPv6 multicast group. */ 1227 /* argument type: struct ipv6_mreq */ 1228 #define IPV6_DROP_MEMBERSHIP 0xa /* leave an IPv6 multicast group */ 1229 /* argument type: struct ipv6_mreq */ 1230 1231 #define IPV6_PKTINFO 0xb /* addr plus interface index */ 1232 /* arg type: "struct in6_pktingo" - */ 1233 #define IPV6_HOPLIMIT 0xc /* hoplimit for datagram */ 1234 #define IPV6_NEXTHOP 0xd /* next hop address */ 1235 #define IPV6_HOPOPTS 0xe /* hop by hop options */ 1236 #define IPV6_DSTOPTS 0xf /* destination options - after */ 1237 /* the routing header */ 1238 #define IPV6_RTHDR 0x10 /* routing header */ 1239 #define IPV6_RTHDRDSTOPTS 0x11 /* destination options - before */ 1240 /* the routing header */ 1241 #define IPV6_RECVPKTINFO 0x12 /* enable/disable IPV6_PKTINFO */ 1242 #define IPV6_RECVHOPLIMIT 0x13 /* enable/disable IPV6_HOPLIMIT */ 1243 #define IPV6_RECVHOPOPTS 0x14 /* enable/disable IPV6_HOPOPTS */ 1244 1245 /* 1246 * This options exists for backwards compatability and should no longer be 1247 * used. Use IPV6_RECVDSTOPTS instead. 1248 */ 1249 #define _OLD_IPV6_RECVDSTOPTS 0x15 1250 1251 #define IPV6_RECVRTHDR 0x16 /* enable/disable IPV6_RTHDR */ 1252 1253 /* 1254 * enable/disable IPV6_RTHDRDSTOPTS. Now obsolete. IPV6_RECVDSTOPTS enables 1255 * the receipt of both headers. 1256 */ 1257 #define IPV6_RECVRTHDRDSTOPTS 0x17 1258 1259 #define IPV6_CHECKSUM 0x18 /* Control checksum on raw sockets */ 1260 #define IPV6_RECVTCLASS 0x19 /* enable/disable IPV6_TCLASS */ 1261 #define IPV6_USE_MIN_MTU 0x20 /* send packets with minimum MTU */ 1262 #define IPV6_DONTFRAG 0x21 /* don't fragment packets */ 1263 #define IPV6_SEC_OPT 0x22 /* Used to set IPSEC options */ 1264 #define IPV6_SRC_PREFERENCES 0x23 /* Control socket's src addr select */ 1265 #define IPV6_RECVPATHMTU 0x24 /* receive PMTU info */ 1266 #define IPV6_PATHMTU 0x25 /* get the PMTU */ 1267 #define IPV6_TCLASS 0x26 /* traffic class */ 1268 #define IPV6_V6ONLY 0x27 /* v6 only socket option */ 1269 1270 /* 1271 * enable/disable receipt of both both IPV6_DSTOPTS headers. 1272 */ 1273 #define IPV6_RECVDSTOPTS 0x28 1274 1275 /* 1276 * protocol-independent multicast membership options. 1277 */ 1278 #define MCAST_JOIN_GROUP 0x29 /* join group for all sources */ 1279 #define MCAST_LEAVE_GROUP 0x2a /* leave group */ 1280 #define MCAST_BLOCK_SOURCE 0x2b /* block specified source */ 1281 #define MCAST_UNBLOCK_SOURCE 0x2c /* unblock specified source */ 1282 #define MCAST_JOIN_SOURCE_GROUP 0x2d /* join group for specified source */ 1283 #define MCAST_LEAVE_SOURCE_GROUP 0x2e /* leave source/group pair */ 1284 1285 /* 32Bit field for IPV6_SRC_PREFERENCES */ 1286 #define IPV6_PREFER_SRC_HOME 0x00000001 1287 #define IPV6_PREFER_SRC_COA 0x00000002 1288 #define IPV6_PREFER_SRC_PUBLIC 0x00000004 1289 #define IPV6_PREFER_SRC_TMP 0x00000008 1290 #define IPV6_PREFER_SRC_NONCGA 0x00000010 1291 #define IPV6_PREFER_SRC_CGA 0x00000020 1292 1293 #define IPV6_PREFER_SRC_MIPMASK (IPV6_PREFER_SRC_HOME | IPV6_PREFER_SRC_COA) 1294 #define IPV6_PREFER_SRC_MIPDEFAULT IPV6_PREFER_SRC_HOME 1295 #define IPV6_PREFER_SRC_TMPMASK (IPV6_PREFER_SRC_PUBLIC | IPV6_PREFER_SRC_TMP) 1296 #define IPV6_PREFER_SRC_TMPDEFAULT IPV6_PREFER_SRC_PUBLIC 1297 #define IPV6_PREFER_SRC_CGAMASK (IPV6_PREFER_SRC_NONCGA | IPV6_PREFER_SRC_CGA) 1298 #define IPV6_PREFER_SRC_CGADEFAULT IPV6_PREFER_SRC_NONCGA 1299 1300 #define IPV6_PREFER_SRC_MASK (IPV6_PREFER_SRC_MIPMASK |\ 1301 IPV6_PREFER_SRC_TMPMASK | IPV6_PREFER_SRC_CGAMASK) 1302 1303 #define IPV6_PREFER_SRC_DEFAULT (IPV6_PREFER_SRC_MIPDEFAULT |\ 1304 IPV6_PREFER_SRC_TMPDEFAULT | IPV6_PREFER_SRC_CGADEFAULT) 1305 1306 #define IPV6_MINHOPCOUNT 0x2f /* minimum acceptable hop limit */ 1307 1308 /* 1309 * SunOS private (potentially not portable) IPV6_ option names 1310 */ 1311 #define IPV6_BOUND_IF 0x41 /* bind to an ifindex */ 1312 #define IPV6_UNSPEC_SRC 0x42 /* source of packets set to */ 1313 /* unspecified (all zeros) */ 1314 1315 /* 1316 * Miscellaneous IPv6 constants. 1317 */ 1318 #define IPV6_PAD1_OPT 0 /* pad byte in IPv6 extension hdrs */ 1319 1320 #endif /* !defined(_XPG4_2) || defined(__EXTENSIONS__) */ 1321 1322 /* 1323 * Extern declarations for pre-defined global const variables 1324 */ 1325 #if !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) 1326 #ifndef _KERNEL 1327 #ifdef __STDC__ 1328 extern const struct in6_addr in6addr_any; 1329 extern const struct in6_addr in6addr_loopback; 1330 #else 1331 extern struct in6_addr in6addr_any; 1332 extern struct in6_addr in6addr_loopback; 1333 #endif 1334 #endif 1335 #endif /* !defined(_XPG4_2) || defined(_XPG6) || defined(__EXTENSIONS__) */ 1336 1337 #ifdef __cplusplus 1338 } 1339 #endif 1340 1341 #endif /* _NETINET_IN_H */ 1342