1 /*- 2 * Copyright (c) 1982, 1985, 1986, 1988, 1993, 1994 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 4. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)socket.h 8.4 (Berkeley) 2/21/94 30 * $FreeBSD$ 31 */ 32 33 #ifndef _COMPAT_SYS_SOCKET_H_ 34 #define _COMPAT_SYS_SOCKET_H_ 35 36 #include <sys/cdefs.h> 37 #include <sys/_types.h> 38 #include <sys/_iovec.h> 39 40 /* 41 * Definitions related to sockets: types, address families, options. 42 */ 43 44 /* 45 * Data types. 46 */ 47 #if __BSD_VISIBLE 48 #ifndef _GID_T_DECLARED 49 typedef __gid_t gid_t; 50 #define _GID_T_DECLARED 51 #endif 52 53 #ifndef _OFF_T_DECLARED 54 typedef __off_t off_t; 55 #define _OFF_T_DECLARED 56 #endif 57 58 #ifndef _PID_T_DECLARED 59 typedef __pid_t pid_t; 60 #define _PID_T_DECLARED 61 #endif 62 #endif 63 64 #ifndef _SA_FAMILY_T_DECLARED 65 typedef __sa_family_t sa_family_t; 66 #define _SA_FAMILY_T_DECLARED 67 #endif 68 69 #ifndef _SOCKLEN_T_DECLARED 70 typedef __socklen_t socklen_t; 71 #define _SOCKLEN_T_DECLARED 72 #endif 73 74 #ifndef _SSIZE_T_DECLARED 75 typedef __ssize_t ssize_t; 76 #define _SSIZE_T_DECLARED 77 #endif 78 79 #if __BSD_VISIBLE 80 #ifndef _UID_T_DECLARED 81 typedef __uid_t uid_t; 82 #define _UID_T_DECLARED 83 #endif 84 #endif 85 86 #ifndef _UINT32_T_DECLARED 87 typedef __uint32_t uint32_t; 88 #define _UINT32_T_DECLARED 89 #endif 90 91 /* 92 * Types 93 */ 94 #define SOCK_STREAM 1 /* stream socket */ 95 #define SOCK_DGRAM 2 /* datagram socket */ 96 #define SOCK_RAW 3 /* raw-protocol interface */ 97 #if __BSD_VISIBLE 98 #define SOCK_RDM 4 /* reliably-delivered message */ 99 #endif 100 #define SOCK_SEQPACKET 5 /* sequenced packet stream */ 101 102 #if __BSD_VISIBLE 103 /* 104 * Creation flags, OR'ed into socket() and socketpair() type argument. 105 */ 106 #define SOCK_CLOEXEC 0x10000000 107 #define SOCK_NONBLOCK 0x20000000 108 #endif 109 110 /* 111 * Option flags per-socket. 112 */ 113 #define SO_DEBUG 0x0001 /* turn on debugging info recording */ 114 #define SO_ACCEPTCONN 0x0002 /* socket has had listen() */ 115 #define SO_REUSEADDR 0x0004 /* allow local address reuse */ 116 #define SO_KEEPALIVE 0x0008 /* keep connections alive */ 117 #define SO_DONTROUTE 0x0010 /* just use interface addresses */ 118 #define SO_BROADCAST 0x0020 /* permit sending of broadcast msgs */ 119 #if __BSD_VISIBLE 120 #define SO_USELOOPBACK 0x0040 /* bypass hardware when possible */ 121 #endif 122 #define SO_LINGER 0x0080 /* linger on close if data present */ 123 #define SO_OOBINLINE 0x0100 /* leave received OOB data in line */ 124 #if __BSD_VISIBLE 125 #define SO_REUSEPORT 0x0200 /* allow local address & port reuse */ 126 #define SO_TIMESTAMP 0x0400 /* timestamp received dgram traffic */ 127 #define SO_NOSIGPIPE 0x0800 /* no SIGPIPE from EPIPE */ 128 #define SO_ACCEPTFILTER 0x1000 /* there is an accept filter */ 129 #define SO_BINTIME 0x2000 /* timestamp received dgram traffic */ 130 #endif 131 #define SO_NO_OFFLOAD 0x4000 /* socket cannot be offloaded */ 132 #define SO_NO_DDP 0x8000 /* disable direct data placement */ 133 134 /* 135 * Additional options, not kept in so_options. 136 */ 137 #define SO_SNDBUF 0x1001 /* send buffer size */ 138 #define SO_RCVBUF 0x1002 /* receive buffer size */ 139 #define SO_SNDLOWAT 0x1003 /* send low-water mark */ 140 #define SO_RCVLOWAT 0x1004 /* receive low-water mark */ 141 #define SO_SNDTIMEO 0x1005 /* send timeout */ 142 #define SO_RCVTIMEO 0x1006 /* receive timeout */ 143 #define SO_ERROR 0x1007 /* get error status and clear */ 144 #define SO_TYPE 0x1008 /* get socket type */ 145 #if __BSD_VISIBLE 146 #define SO_LABEL 0x1009 /* socket's MAC label */ 147 #define SO_PEERLABEL 0x1010 /* socket's peer's MAC label */ 148 #define SO_LISTENQLIMIT 0x1011 /* socket's backlog limit */ 149 #define SO_LISTENQLEN 0x1012 /* socket's complete queue length */ 150 #define SO_LISTENINCQLEN 0x1013 /* socket's incomplete queue length */ 151 #define SO_SETFIB 0x1014 /* use this FIB to route */ 152 #define SO_USER_COOKIE 0x1015 /* user cookie (dummynet etc.) */ 153 #define SO_PROTOCOL 0x1016 /* get socket protocol (Linux name) */ 154 #define SO_PROTOTYPE SO_PROTOCOL /* alias for SO_PROTOCOL (SunOS name) */ 155 #endif 156 157 /* 158 * Space reserved for new socket options added by third-party vendors. 159 * This range applies to all socket option levels. New socket options 160 * in FreeBSD should always use an option value less than SO_VENDOR. 161 */ 162 #if __BSD_VISIBLE 163 #define SO_VENDOR 0x80000000 164 #endif 165 166 /* 167 * Structure used for manipulating linger option. 168 */ 169 struct linger { 170 int l_onoff; /* option on/off */ 171 int l_linger; /* linger time */ 172 }; 173 174 #if __BSD_VISIBLE 175 struct accept_filter_arg { 176 char af_name[16]; 177 char af_arg[256-16]; 178 }; 179 #endif 180 181 /* 182 * Level number for (get/set)sockopt() to apply to socket itself. 183 */ 184 #define SOL_SOCKET 0xffff /* options for socket level */ 185 186 /* 187 * Address families. 188 */ 189 #define AF_UNSPEC 0 /* unspecified */ 190 #if __BSD_VISIBLE 191 #define AF_LOCAL AF_UNIX /* local to host (pipes, portals) */ 192 #endif 193 #define AF_UNIX 1 /* standardized name for AF_LOCAL */ 194 #define AF_INET 2 /* internetwork: UDP, TCP, etc. */ 195 #if __BSD_VISIBLE 196 #define AF_IMPLINK 3 /* arpanet imp addresses */ 197 #define AF_PUP 4 /* pup protocols: e.g. BSP */ 198 #define AF_CHAOS 5 /* mit CHAOS protocols */ 199 #define AF_NETBIOS 6 /* SMB protocols */ 200 #define AF_ISO 7 /* ISO protocols */ 201 #define AF_OSI AF_ISO 202 #define AF_ECMA 8 /* European computer manufacturers */ 203 #define AF_DATAKIT 9 /* datakit protocols */ 204 #define AF_CCITT 10 /* CCITT protocols, X.25 etc */ 205 #define AF_SNA 11 /* IBM SNA */ 206 #define AF_DECnet 12 /* DECnet */ 207 #define AF_DLI 13 /* DEC Direct data link interface */ 208 #define AF_LAT 14 /* LAT */ 209 #define AF_HYLINK 15 /* NSC Hyperchannel */ 210 #define AF_APPLETALK 16 /* Apple Talk */ 211 #define AF_ROUTE 17 /* Internal Routing Protocol */ 212 #define AF_LINK 18 /* Link layer interface */ 213 #define pseudo_AF_XTP 19 /* eXpress Transfer Protocol (no AF) */ 214 #define AF_COIP 20 /* connection-oriented IP, aka ST II */ 215 #define AF_CNT 21 /* Computer Network Technology */ 216 #define pseudo_AF_RTIP 22 /* Help Identify RTIP packets */ 217 #define AF_IPX 23 /* Novell Internet Protocol */ 218 #define AF_SIP 24 /* Simple Internet Protocol */ 219 #define pseudo_AF_PIP 25 /* Help Identify PIP packets */ 220 #define AF_ISDN 26 /* Integrated Services Digital Network*/ 221 #define AF_E164 AF_ISDN /* CCITT E.164 recommendation */ 222 #define pseudo_AF_KEY 27 /* Internal key-management function */ 223 #endif 224 #define AF_INET6 28 /* IPv6 */ 225 #if __BSD_VISIBLE 226 #define AF_NATM 29 /* native ATM access */ 227 #define AF_ATM 30 /* ATM */ 228 #define pseudo_AF_HDRCMPLT 31 /* Used by BPF to not rewrite headers 229 * in interface output routine 230 */ 231 #define AF_NETGRAPH 32 /* Netgraph sockets */ 232 #define AF_SLOW 33 /* 802.3ad slow protocol */ 233 #define AF_SCLUSTER 34 /* Sitara cluster protocol */ 234 #define AF_ARP 35 235 #define AF_BLUETOOTH 36 /* Bluetooth sockets */ 236 #define AF_IEEE80211 37 /* IEEE 802.11 protocol */ 237 #define AF_INET_SDP 40 /* OFED Socket Direct Protocol ipv4 */ 238 #define AF_INET6_SDP 42 /* OFED Socket Direct Protocol ipv6 */ 239 #define AF_MAX 42 240 /* 241 * When allocating a new AF_ constant, please only allocate 242 * even numbered constants for FreeBSD until 134 as odd numbered AF_ 243 * constants 39-133 are now reserved for vendors. 244 */ 245 #define AF_VENDOR00 39 246 #define AF_VENDOR01 41 247 #define AF_VENDOR02 43 248 #define AF_VENDOR03 45 249 #define AF_VENDOR04 47 250 #define AF_VENDOR05 49 251 #define AF_VENDOR06 51 252 #define AF_VENDOR07 53 253 #define AF_VENDOR08 55 254 #define AF_VENDOR09 57 255 #define AF_VENDOR10 59 256 #define AF_VENDOR11 61 257 #define AF_VENDOR12 63 258 #define AF_VENDOR13 65 259 #define AF_VENDOR14 67 260 #define AF_VENDOR15 69 261 #define AF_VENDOR16 71 262 #define AF_VENDOR17 73 263 #define AF_VENDOR18 75 264 #define AF_VENDOR19 77 265 #define AF_VENDOR20 79 266 #define AF_VENDOR21 81 267 #define AF_VENDOR22 83 268 #define AF_VENDOR23 85 269 #define AF_VENDOR24 87 270 #define AF_VENDOR25 89 271 #define AF_VENDOR26 91 272 #define AF_VENDOR27 93 273 #define AF_VENDOR28 95 274 #define AF_VENDOR29 97 275 #define AF_VENDOR30 99 276 #define AF_VENDOR31 101 277 #define AF_VENDOR32 103 278 #define AF_VENDOR33 105 279 #define AF_VENDOR34 107 280 #define AF_VENDOR35 109 281 #define AF_VENDOR36 111 282 #define AF_VENDOR37 113 283 #define AF_VENDOR38 115 284 #define AF_VENDOR39 117 285 #define AF_VENDOR40 119 286 #define AF_VENDOR41 121 287 #define AF_VENDOR42 123 288 #define AF_VENDOR43 125 289 #define AF_VENDOR44 127 290 #define AF_VENDOR45 129 291 #define AF_VENDOR46 131 292 #define AF_VENDOR47 133 293 #endif 294 295 /* 296 * Structure used by kernel to store most 297 * addresses. 298 */ 299 struct sockaddr { 300 unsigned char sa_len; /* total length */ 301 sa_family_t sa_family; /* address family */ 302 char sa_data[14]; /* actually longer; address value */ 303 }; 304 #if __BSD_VISIBLE 305 #define SOCK_MAXADDRLEN 255 /* longest possible addresses */ 306 307 /* 308 * Structure used by kernel to pass protocol 309 * information in raw sockets. 310 */ 311 struct sockproto { 312 unsigned short sp_family; /* address family */ 313 unsigned short sp_protocol; /* protocol */ 314 }; 315 #endif 316 317 #include <sys/_sockaddr_storage.h> 318 319 #if __BSD_VISIBLE 320 /* 321 * Protocol families, same as address families for now. 322 */ 323 #define PF_UNSPEC AF_UNSPEC 324 #define PF_LOCAL AF_LOCAL 325 #define PF_UNIX PF_LOCAL /* backward compatibility */ 326 #define PF_INET AF_INET 327 #define PF_IMPLINK AF_IMPLINK 328 #define PF_PUP AF_PUP 329 #define PF_CHAOS AF_CHAOS 330 #define PF_NETBIOS AF_NETBIOS 331 #define PF_ISO AF_ISO 332 #define PF_OSI AF_ISO 333 #define PF_ECMA AF_ECMA 334 #define PF_DATAKIT AF_DATAKIT 335 #define PF_CCITT AF_CCITT 336 #define PF_SNA AF_SNA 337 #define PF_DECnet AF_DECnet 338 #define PF_DLI AF_DLI 339 #define PF_LAT AF_LAT 340 #define PF_HYLINK AF_HYLINK 341 #define PF_APPLETALK AF_APPLETALK 342 #define PF_ROUTE AF_ROUTE 343 #define PF_LINK AF_LINK 344 #define PF_XTP pseudo_AF_XTP /* really just proto family, no AF */ 345 #define PF_COIP AF_COIP 346 #define PF_CNT AF_CNT 347 #define PF_SIP AF_SIP 348 #define PF_IPX AF_IPX 349 #define PF_RTIP pseudo_AF_RTIP /* same format as AF_INET */ 350 #define PF_PIP pseudo_AF_PIP 351 #define PF_ISDN AF_ISDN 352 #define PF_KEY pseudo_AF_KEY 353 #define PF_INET6 AF_INET6 354 #define PF_NATM AF_NATM 355 #define PF_ATM AF_ATM 356 #define PF_NETGRAPH AF_NETGRAPH 357 #define PF_SLOW AF_SLOW 358 #define PF_SCLUSTER AF_SCLUSTER 359 #define PF_ARP AF_ARP 360 #define PF_BLUETOOTH AF_BLUETOOTH 361 #define PF_IEEE80211 AF_IEEE80211 362 #define PF_INET_SDP AF_INET_SDP 363 #define PF_INET6_SDP AF_INET6_SDP 364 365 #define PF_MAX AF_MAX 366 367 /* 368 * Definitions for network related sysctl, CTL_NET. 369 * 370 * Second level is protocol family. 371 * Third level is protocol number. 372 * 373 * Further levels are defined by the individual families. 374 */ 375 376 /* 377 * PF_ROUTE - Routing table 378 * 379 * Three additional levels are defined: 380 * Fourth: address family, 0 is wildcard 381 * Fifth: type of info, defined below 382 * Sixth: flag(s) to mask with for NET_RT_FLAGS 383 */ 384 #define NET_RT_DUMP 1 /* dump; may limit to a.f. */ 385 #define NET_RT_FLAGS 2 /* by flags, e.g. RESOLVING */ 386 #define NET_RT_IFLIST 3 /* survey interface list */ 387 #define NET_RT_IFMALIST 4 /* return multicast address list */ 388 #define NET_RT_IFLISTL 5 /* Survey interface list, using 'l'en 389 * versions of msghdr structs. */ 390 #endif /* __BSD_VISIBLE */ 391 392 /* 393 * Maximum queue length specifiable by listen. 394 */ 395 #define SOMAXCONN 128 396 397 /* 398 * Message header for recvmsg and sendmsg calls. 399 * Used value-result for recvmsg, value only for sendmsg. 400 */ 401 struct msghdr { 402 void *msg_name; /* optional address */ 403 socklen_t msg_namelen; /* size of address */ 404 struct iovec *msg_iov; /* scatter/gather array */ 405 int msg_iovlen; /* # elements in msg_iov */ 406 void *msg_control; /* ancillary data, see below */ 407 socklen_t msg_controllen; /* ancillary data buffer len */ 408 int msg_flags; /* flags on received message */ 409 }; 410 411 #define MSG_OOB 0x1 /* process out-of-band data */ 412 #define MSG_PEEK 0x2 /* peek at incoming message */ 413 #define MSG_DONTROUTE 0x4 /* send without using routing tables */ 414 #define MSG_EOR 0x8 /* data completes record */ 415 #define MSG_TRUNC 0x10 /* data discarded before delivery */ 416 #define MSG_CTRUNC 0x20 /* control data lost before delivery */ 417 #define MSG_WAITALL 0x40 /* wait for full request or error */ 418 #if __POSIX_VISIBLE >= 200809 419 #define MSG_NOSIGNAL 0x20000 /* do not generate SIGPIPE on EOF */ 420 #endif 421 #if __BSD_VISIBLE 422 #define MSG_DONTWAIT 0x80 /* this message should be nonblocking */ 423 #define MSG_EOF 0x100 /* data completes connection */ 424 #define MSG_NOTIFICATION 0x2000 /* SCTP notification */ 425 #define MSG_NBIO 0x4000 /* FIONBIO mode, used by fifofs */ 426 #define MSG_COMPAT 0x8000 /* used in sendit() */ 427 #define MSG_CMSG_CLOEXEC 0x40000 /* make received fds close-on-exec */ 428 #define MSG_WAITFORONE 0x80000 /* for recvmmsg() */ 429 #endif 430 #ifdef _KERNEL 431 #define MSG_SOCALLBCK 0x10000 /* for use by socket callbacks - soreceive (TCP) */ 432 #endif 433 434 /* 435 * Header for ancillary data objects in msg_control buffer. 436 * Used for additional information with/about a datagram 437 * not expressible by flags. The format is a sequence 438 * of message elements headed by cmsghdr structures. 439 */ 440 struct cmsghdr { 441 socklen_t cmsg_len; /* data byte count, including hdr */ 442 int cmsg_level; /* originating protocol */ 443 int cmsg_type; /* protocol-specific type */ 444 /* followed by u_char cmsg_data[]; */ 445 }; 446 447 #if __BSD_VISIBLE 448 /* 449 * While we may have more groups than this, the cmsgcred struct must 450 * be able to fit in an mbuf and we have historically supported a 451 * maximum of 16 groups. 452 */ 453 #define CMGROUP_MAX 16 454 455 /* 456 * Credentials structure, used to verify the identity of a peer 457 * process that has sent us a message. This is allocated by the 458 * peer process but filled in by the kernel. This prevents the 459 * peer from lying about its identity. (Note that cmcred_groups[0] 460 * is the effective GID.) 461 */ 462 struct cmsgcred { 463 pid_t cmcred_pid; /* PID of sending process */ 464 uid_t cmcred_uid; /* real UID of sending process */ 465 uid_t cmcred_euid; /* effective UID of sending process */ 466 gid_t cmcred_gid; /* real GID of sending process */ 467 short cmcred_ngroups; /* number or groups */ 468 gid_t cmcred_groups[CMGROUP_MAX]; /* groups */ 469 }; 470 471 /* 472 * Socket credentials. 473 */ 474 struct sockcred { 475 uid_t sc_uid; /* real user id */ 476 uid_t sc_euid; /* effective user id */ 477 gid_t sc_gid; /* real group id */ 478 gid_t sc_egid; /* effective group id */ 479 int sc_ngroups; /* number of supplemental groups */ 480 gid_t sc_groups[1]; /* variable length */ 481 }; 482 483 /* 484 * Compute size of a sockcred structure with groups. 485 */ 486 #define SOCKCREDSIZE(ngrps) \ 487 (sizeof(struct sockcred) + (sizeof(gid_t) * ((ngrps) - 1))) 488 489 #endif /* __BSD_VISIBLE */ 490 491 /* given pointer to struct cmsghdr, return pointer to data */ 492 #define CMSG_DATA(cmsg) ((unsigned char *)(cmsg) + \ 493 _ALIGN(sizeof(struct cmsghdr))) 494 495 /* given pointer to struct cmsghdr, return pointer to next cmsghdr */ 496 #define CMSG_NXTHDR(mhdr, cmsg) \ 497 ((char *)(cmsg) == (char *)0 ? CMSG_FIRSTHDR(mhdr) : \ 498 ((char *)(cmsg) + _ALIGN(((struct cmsghdr *)(cmsg))->cmsg_len) + \ 499 _ALIGN(sizeof(struct cmsghdr)) > \ 500 (char *)(mhdr)->msg_control + (mhdr)->msg_controllen) ? \ 501 (struct cmsghdr *)0 : \ 502 (struct cmsghdr *)(void *)((char *)(cmsg) + \ 503 _ALIGN(((struct cmsghdr *)(cmsg))->cmsg_len))) 504 505 /* 506 * RFC 2292 requires to check msg_controllen, in case that the kernel returns 507 * an empty list for some reasons. 508 */ 509 #define CMSG_FIRSTHDR(mhdr) \ 510 ((mhdr)->msg_controllen >= sizeof(struct cmsghdr) ? \ 511 (struct cmsghdr *)(mhdr)->msg_control : \ 512 (struct cmsghdr *)0) 513 514 #if __BSD_VISIBLE 515 /* RFC 2292 additions */ 516 #define CMSG_SPACE(l) (_ALIGN(sizeof(struct cmsghdr)) + _ALIGN(l)) 517 #define CMSG_LEN(l) (_ALIGN(sizeof(struct cmsghdr)) + (l)) 518 #endif 519 520 #ifdef _KERNEL 521 #define CMSG_ALIGN(n) _ALIGN(n) 522 #endif 523 524 /* "Socket"-level control message types: */ 525 #define SCM_RIGHTS 0x01 /* access rights (array of int) */ 526 #if __BSD_VISIBLE 527 #define SCM_TIMESTAMP 0x02 /* timestamp (struct timeval) */ 528 #define SCM_CREDS 0x03 /* process creds (struct cmsgcred) */ 529 #define SCM_BINTIME 0x04 /* timestamp (struct bintime) */ 530 #endif 531 532 #if __BSD_VISIBLE 533 /* 534 * 4.3 compat sockaddr, move to compat file later 535 */ 536 struct osockaddr { 537 unsigned short sa_family; /* address family */ 538 char sa_data[14]; /* up to 14 bytes of direct address */ 539 }; 540 541 /* 542 * 4.3-compat message header (move to compat file later). 543 */ 544 struct omsghdr { 545 char *msg_name; /* optional address */ 546 int msg_namelen; /* size of address */ 547 struct iovec *msg_iov; /* scatter/gather array */ 548 int msg_iovlen; /* # elements in msg_iov */ 549 char *msg_accrights; /* access rights sent/received */ 550 int msg_accrightslen; 551 }; 552 #endif 553 554 /* 555 * howto arguments for shutdown(2), specified by Posix.1g. 556 */ 557 #define SHUT_RD 0 /* shut down the reading side */ 558 #define SHUT_WR 1 /* shut down the writing side */ 559 #define SHUT_RDWR 2 /* shut down both sides */ 560 561 #if __BSD_VISIBLE 562 /* for SCTP */ 563 /* we cheat and use the SHUT_XX defines for these */ 564 #define PRU_FLUSH_RD SHUT_RD 565 #define PRU_FLUSH_WR SHUT_WR 566 #define PRU_FLUSH_RDWR SHUT_RDWR 567 #endif 568 569 570 #if __BSD_VISIBLE 571 /* 572 * sendfile(2) header/trailer struct 573 */ 574 struct sf_hdtr { 575 struct iovec *headers; /* pointer to an array of header struct iovec's */ 576 int hdr_cnt; /* number of header iovec's */ 577 struct iovec *trailers; /* pointer to an array of trailer struct iovec's */ 578 int trl_cnt; /* number of trailer iovec's */ 579 }; 580 581 /* 582 * Sendfile-specific flag(s) 583 */ 584 #define SF_NODISKIO 0x00000001 585 #define SF_MNOWAIT 0x00000002 /* obsolete */ 586 #define SF_SYNC 0x00000004 587 #define SF_NOCACHE 0x00000010 588 #define SF_FLAGS(rh, flags) (((rh) << 16) | (flags)) 589 590 #ifdef _KERNEL 591 #define SF_READAHEAD(flags) ((flags) >> 16) 592 #endif /* _KERNEL */ 593 594 /* 595 * Sendmmsg/recvmmsg specific structure(s) 596 */ 597 struct mmsghdr { 598 struct msghdr msg_hdr; /* message header */ 599 ssize_t msg_len; /* message length */ 600 }; 601 #endif /* __BSD_VISIBLE */ 602 603 #ifndef _KERNEL 604 605 #include <sys/cdefs.h> 606 607 __BEGIN_DECLS 608 int accept(int, struct sockaddr * __restrict, socklen_t * __restrict); 609 int bind(int, const struct sockaddr *, socklen_t); 610 int connect(int, const struct sockaddr *, socklen_t); 611 #if __BSD_VISIBLE 612 int accept4(int, struct sockaddr * __restrict, socklen_t * __restrict, int); 613 int bindat(int, int, const struct sockaddr *, socklen_t); 614 int connectat(int, int, const struct sockaddr *, socklen_t); 615 #endif 616 int getpeername(int, struct sockaddr * __restrict, socklen_t * __restrict); 617 int getsockname(int, struct sockaddr * __restrict, socklen_t * __restrict); 618 int getsockopt(int, int, int, void * __restrict, socklen_t * __restrict); 619 int listen(int, int); 620 ssize_t recv(int, void *, size_t, int); 621 ssize_t recvfrom(int, void *, size_t, int, struct sockaddr * __restrict, socklen_t * __restrict); 622 ssize_t recvmsg(int, struct msghdr *, int); 623 #if __BSD_VISIBLE 624 struct timespec; 625 ssize_t recvmmsg(int, struct mmsghdr * __restrict, size_t, int, 626 const struct timespec * __restrict); 627 #endif 628 ssize_t send(int, const void *, size_t, int); 629 ssize_t sendto(int, const void *, 630 size_t, int, const struct sockaddr *, socklen_t); 631 ssize_t sendmsg(int, const struct msghdr *, int); 632 #if __BSD_VISIBLE 633 int sendfile(int, int, off_t, size_t, struct sf_hdtr *, off_t *, int); 634 ssize_t sendmmsg(int, struct mmsghdr * __restrict, size_t, int); 635 int setfib(int); 636 #endif 637 int setsockopt(int, int, int, const void *, socklen_t); 638 int shutdown(int, int); 639 int sockatmark(int); 640 int socket(int, int, int); 641 int socketpair(int, int, int, int *); 642 __END_DECLS 643 644 #endif /* !_KERNEL */ 645 646 647 #endif /* !_COMPAT_SYS_SOCKET_H_ */ 648