socket.h revision 66240
11541Srgrimes/* 21541Srgrimes * Copyright (c) 1982, 1985, 1986, 1988, 1993, 1994 31541Srgrimes * The Regents of the University of California. All rights reserved. 41541Srgrimes * 51541Srgrimes * Redistribution and use in source and binary forms, with or without 61541Srgrimes * modification, are permitted provided that the following conditions 71541Srgrimes * are met: 81541Srgrimes * 1. Redistributions of source code must retain the above copyright 91541Srgrimes * notice, this list of conditions and the following disclaimer. 101541Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 111541Srgrimes * notice, this list of conditions and the following disclaimer in the 121541Srgrimes * documentation and/or other materials provided with the distribution. 131541Srgrimes * 3. All advertising materials mentioning features or use of this software 141541Srgrimes * must display the following acknowledgement: 151541Srgrimes * This product includes software developed by the University of 161541Srgrimes * California, Berkeley and its contributors. 171541Srgrimes * 4. Neither the name of the University nor the names of its contributors 181541Srgrimes * may be used to endorse or promote products derived from this software 191541Srgrimes * without specific prior written permission. 201541Srgrimes * 211541Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 221541Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 231541Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 241541Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 251541Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 261541Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 271541Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 281541Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 291541Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 301541Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 311541Srgrimes * SUCH DAMAGE. 321541Srgrimes * 331541Srgrimes * @(#)socket.h 8.4 (Berkeley) 2/21/94 3450477Speter * $FreeBSD: head/sys/sys/socket.h 66240 2000-09-22 10:52:00Z asmodai $ 351541Srgrimes */ 361541Srgrimes 371541Srgrimes#ifndef _SYS_SOCKET_H_ 381541Srgrimes#define _SYS_SOCKET_H_ 391541Srgrimes 401541Srgrimes/* 411541Srgrimes * Definitions related to sockets: types, address families, options. 421541Srgrimes */ 431541Srgrimes 441541Srgrimes/* 4553678Sphk * Data types. 4653678Sphk */ 4753678Sphktypedef u_char sa_family_t; 4853678Sphktypedef u_int32_t socklen_t; 4953678Sphk 5053678Sphk/* 511541Srgrimes * Types 521541Srgrimes */ 531541Srgrimes#define SOCK_STREAM 1 /* stream socket */ 541541Srgrimes#define SOCK_DGRAM 2 /* datagram socket */ 551541Srgrimes#define SOCK_RAW 3 /* raw-protocol interface */ 561541Srgrimes#define SOCK_RDM 4 /* reliably-delivered message */ 571541Srgrimes#define SOCK_SEQPACKET 5 /* sequenced packet stream */ 581541Srgrimes 591541Srgrimes/* 601541Srgrimes * Option flags per-socket. 611541Srgrimes */ 621541Srgrimes#define SO_DEBUG 0x0001 /* turn on debugging info recording */ 631541Srgrimes#define SO_ACCEPTCONN 0x0002 /* socket has had listen() */ 641541Srgrimes#define SO_REUSEADDR 0x0004 /* allow local address reuse */ 651541Srgrimes#define SO_KEEPALIVE 0x0008 /* keep connections alive */ 661541Srgrimes#define SO_DONTROUTE 0x0010 /* just use interface addresses */ 671541Srgrimes#define SO_BROADCAST 0x0020 /* permit sending of broadcast msgs */ 681541Srgrimes#define SO_USELOOPBACK 0x0040 /* bypass hardware when possible */ 691541Srgrimes#define SO_LINGER 0x0080 /* linger on close if data present */ 701541Srgrimes#define SO_OOBINLINE 0x0100 /* leave received OOB data in line */ 711541Srgrimes#define SO_REUSEPORT 0x0200 /* allow local address & port reuse */ 7215701Swollman#define SO_TIMESTAMP 0x0400 /* timestamp received dgram traffic */ 7361837Salfred#define SO_ACCEPTFILTER 0x1000 /* there is an accept filter */ 741541Srgrimes 751541Srgrimes/* 761541Srgrimes * Additional options, not kept in so_options. 771541Srgrimes */ 781541Srgrimes#define SO_SNDBUF 0x1001 /* send buffer size */ 791541Srgrimes#define SO_RCVBUF 0x1002 /* receive buffer size */ 801541Srgrimes#define SO_SNDLOWAT 0x1003 /* send low-water mark */ 811541Srgrimes#define SO_RCVLOWAT 0x1004 /* receive low-water mark */ 821541Srgrimes#define SO_SNDTIMEO 0x1005 /* send timeout */ 831541Srgrimes#define SO_RCVTIMEO 0x1006 /* receive timeout */ 841541Srgrimes#define SO_ERROR 0x1007 /* get error status and clear */ 851541Srgrimes#define SO_TYPE 0x1008 /* get socket type */ 8625311Swollman/*efine SO_PRIVSTATE 0x1009 get/deny privileged state */ 871541Srgrimes 881541Srgrimes/* 891541Srgrimes * Structure used for manipulating linger option. 901541Srgrimes */ 911541Srgrimesstruct linger { 921541Srgrimes int l_onoff; /* option on/off */ 931541Srgrimes int l_linger; /* linger time */ 941541Srgrimes}; 951541Srgrimes 9661837Salfredstruct accept_filter_arg { 9761837Salfred char af_name[16]; 9861837Salfred char af_arg[256-16]; 9961837Salfred}; 10061837Salfred 1011541Srgrimes/* 1021541Srgrimes * Level number for (get/set)sockopt() to apply to socket itself. 1031541Srgrimes */ 1041541Srgrimes#define SOL_SOCKET 0xffff /* options for socket level */ 1051541Srgrimes 1061541Srgrimes/* 1071541Srgrimes * Address families. 1081541Srgrimes */ 1091541Srgrimes#define AF_UNSPEC 0 /* unspecified */ 1101541Srgrimes#define AF_LOCAL 1 /* local to host (pipes, portals) */ 1111541Srgrimes#define AF_UNIX AF_LOCAL /* backward compatibility */ 1121541Srgrimes#define AF_INET 2 /* internetwork: UDP, TCP, etc. */ 1131541Srgrimes#define AF_IMPLINK 3 /* arpanet imp addresses */ 1141541Srgrimes#define AF_PUP 4 /* pup protocols: e.g. BSP */ 1151541Srgrimes#define AF_CHAOS 5 /* mit CHAOS protocols */ 1161541Srgrimes#define AF_NS 6 /* XEROX NS protocols */ 1171541Srgrimes#define AF_ISO 7 /* ISO protocols */ 1181541Srgrimes#define AF_OSI AF_ISO 11913765Smpp#define AF_ECMA 8 /* European computer manufacturers */ 1201541Srgrimes#define AF_DATAKIT 9 /* datakit protocols */ 1211541Srgrimes#define AF_CCITT 10 /* CCITT protocols, X.25 etc */ 1221541Srgrimes#define AF_SNA 11 /* IBM SNA */ 1231541Srgrimes#define AF_DECnet 12 /* DECnet */ 1241541Srgrimes#define AF_DLI 13 /* DEC Direct data link interface */ 1251541Srgrimes#define AF_LAT 14 /* LAT */ 1261541Srgrimes#define AF_HYLINK 15 /* NSC Hyperchannel */ 1271541Srgrimes#define AF_APPLETALK 16 /* Apple Talk */ 1281541Srgrimes#define AF_ROUTE 17 /* Internal Routing Protocol */ 1291541Srgrimes#define AF_LINK 18 /* Link layer interface */ 1301541Srgrimes#define pseudo_AF_XTP 19 /* eXpress Transfer Protocol (no AF) */ 1311541Srgrimes#define AF_COIP 20 /* connection-oriented IP, aka ST II */ 1321541Srgrimes#define AF_CNT 21 /* Computer Network Technology */ 1331541Srgrimes#define pseudo_AF_RTIP 22 /* Help Identify RTIP packets */ 1341541Srgrimes#define AF_IPX 23 /* Novell Internet Protocol */ 1351541Srgrimes#define AF_SIP 24 /* Simple Internet Protocol */ 1365413Sse#define pseudo_AF_PIP 25 /* Help Identify PIP packets */ 1375413Sse#define AF_ISDN 26 /* Integrated Services Digital Network*/ 1385413Sse#define AF_E164 AF_ISDN /* CCITT E.164 recommendation */ 13916368Swollman#define pseudo_AF_KEY 27 /* Internal key-management function */ 14017938Speter#define AF_INET6 28 /* IPv6 */ 14125609Skjc#define AF_NATM 29 /* native ATM access */ 14239271Sphk#define AF_ATM 30 /* ATM */ 14352248Smsmith#define pseudo_AF_HDRCMPLT 31 /* Used by BPF to not rewrite headers 14452248Smsmith * in interface output routine 14552248Smsmith */ 14652424Sjulian#define AF_NETGRAPH 32 /* Netgraph sockets */ 1471541Srgrimes 14852424Sjulian#define AF_MAX 33 1491541Srgrimes 1501541Srgrimes/* 1511541Srgrimes * Structure used by kernel to store most 1521541Srgrimes * addresses. 1531541Srgrimes */ 1541541Srgrimesstruct sockaddr { 15553678Sphk u_char sa_len; /* total length */ 15653678Sphk sa_family_t sa_family; /* address family */ 15753678Sphk char sa_data[14]; /* actually longer; address value */ 1581541Srgrimes}; 15928270Swollman#define SOCK_MAXADDRLEN 255 /* longest possible addresses */ 1601541Srgrimes 1611541Srgrimes/* 1621541Srgrimes * Structure used by kernel to pass protocol 1631541Srgrimes * information in raw sockets. 1641541Srgrimes */ 1651541Srgrimesstruct sockproto { 1661541Srgrimes u_short sp_family; /* address family */ 1671541Srgrimes u_short sp_protocol; /* protocol */ 1681541Srgrimes}; 1691541Srgrimes 1701541Srgrimes/* 17166240Sasmodai * RFC 2553: protocol-independent placeholder for socket addresses 17252904Sshin */ 17352904Sshin#define _SS_MAXSIZE 128 17452904Sshin#define _SS_ALIGNSIZE (sizeof(int64_t)) 17557911Sshin#define _SS_PAD1SIZE (_SS_ALIGNSIZE - sizeof(u_char) - sizeof(sa_family_t)) 17657911Sshin#define _SS_PAD2SIZE (_SS_MAXSIZE - sizeof(u_char) - sizeof(sa_family_t) - \ 17752904Sshin _SS_PAD1SIZE - _SS_ALIGNSIZE) 17852904Sshin 17952904Sshinstruct sockaddr_storage { 18055917Sshin u_char ss_len; /* address length */ 18155917Sshin sa_family_t ss_family; /* address family */ 18253678Sphk char __ss_pad1[_SS_PAD1SIZE]; 18353678Sphk int64_t __ss_align; /* force desired structure storage alignment */ 18453678Sphk char __ss_pad2[_SS_PAD2SIZE]; 18552904Sshin}; 18652904Sshin 18752904Sshin/* 1881541Srgrimes * Protocol families, same as address families for now. 1891541Srgrimes */ 1901541Srgrimes#define PF_UNSPEC AF_UNSPEC 1911541Srgrimes#define PF_LOCAL AF_LOCAL 1921541Srgrimes#define PF_UNIX PF_LOCAL /* backward compatibility */ 1931541Srgrimes#define PF_INET AF_INET 1941541Srgrimes#define PF_IMPLINK AF_IMPLINK 1951541Srgrimes#define PF_PUP AF_PUP 1961541Srgrimes#define PF_CHAOS AF_CHAOS 1971541Srgrimes#define PF_NS AF_NS 1981541Srgrimes#define PF_ISO AF_ISO 1991541Srgrimes#define PF_OSI AF_ISO 2001541Srgrimes#define PF_ECMA AF_ECMA 2011541Srgrimes#define PF_DATAKIT AF_DATAKIT 2021541Srgrimes#define PF_CCITT AF_CCITT 2031541Srgrimes#define PF_SNA AF_SNA 2041541Srgrimes#define PF_DECnet AF_DECnet 2051541Srgrimes#define PF_DLI AF_DLI 2061541Srgrimes#define PF_LAT AF_LAT 2071541Srgrimes#define PF_HYLINK AF_HYLINK 2081541Srgrimes#define PF_APPLETALK AF_APPLETALK 2091541Srgrimes#define PF_ROUTE AF_ROUTE 2101541Srgrimes#define PF_LINK AF_LINK 2111541Srgrimes#define PF_XTP pseudo_AF_XTP /* really just proto family, no AF */ 2121541Srgrimes#define PF_COIP AF_COIP 2131541Srgrimes#define PF_CNT AF_CNT 2141541Srgrimes#define PF_SIP AF_SIP 2151541Srgrimes#define PF_IPX AF_IPX /* same format as AF_NS */ 21617603Sjdp#define PF_RTIP pseudo_AF_RTIP /* same format as AF_INET */ 2171541Srgrimes#define PF_PIP pseudo_AF_PIP 2185413Sse#define PF_ISDN AF_ISDN 21916480Swollman#define PF_KEY pseudo_AF_KEY 22017938Speter#define PF_INET6 AF_INET6 22125609Skjc#define PF_NATM AF_NATM 22239271Sphk#define PF_ATM AF_ATM 22352419Sjulian#define PF_NETGRAPH AF_NETGRAPH 2241541Srgrimes 2251541Srgrimes#define PF_MAX AF_MAX 2261541Srgrimes 2271541Srgrimes/* 2281541Srgrimes * Definitions for network related sysctl, CTL_NET. 2291541Srgrimes * 2301541Srgrimes * Second level is protocol family. 2311541Srgrimes * Third level is protocol number. 2321541Srgrimes * 2331541Srgrimes * Further levels are defined by the individual families below. 2341541Srgrimes */ 2351541Srgrimes#define NET_MAXID AF_MAX 2361541Srgrimes 2371541Srgrimes#define CTL_NET_NAMES { \ 2381541Srgrimes { 0, 0 }, \ 2391541Srgrimes { "unix", CTLTYPE_NODE }, \ 2401541Srgrimes { "inet", CTLTYPE_NODE }, \ 2411541Srgrimes { "implink", CTLTYPE_NODE }, \ 2421541Srgrimes { "pup", CTLTYPE_NODE }, \ 2431541Srgrimes { "chaos", CTLTYPE_NODE }, \ 2441541Srgrimes { "xerox_ns", CTLTYPE_NODE }, \ 2451541Srgrimes { "iso", CTLTYPE_NODE }, \ 2461541Srgrimes { "emca", CTLTYPE_NODE }, \ 2471541Srgrimes { "datakit", CTLTYPE_NODE }, \ 2481541Srgrimes { "ccitt", CTLTYPE_NODE }, \ 2491541Srgrimes { "ibm_sna", CTLTYPE_NODE }, \ 2501541Srgrimes { "decnet", CTLTYPE_NODE }, \ 2511541Srgrimes { "dec_dli", CTLTYPE_NODE }, \ 2521541Srgrimes { "lat", CTLTYPE_NODE }, \ 2531541Srgrimes { "hylink", CTLTYPE_NODE }, \ 2541541Srgrimes { "appletalk", CTLTYPE_NODE }, \ 2551541Srgrimes { "route", CTLTYPE_NODE }, \ 2561541Srgrimes { "link_layer", CTLTYPE_NODE }, \ 2571541Srgrimes { "xtp", CTLTYPE_NODE }, \ 2581541Srgrimes { "coip", CTLTYPE_NODE }, \ 2591541Srgrimes { "cnt", CTLTYPE_NODE }, \ 2601541Srgrimes { "rtip", CTLTYPE_NODE }, \ 2611541Srgrimes { "ipx", CTLTYPE_NODE }, \ 2621541Srgrimes { "sip", CTLTYPE_NODE }, \ 2631541Srgrimes { "pip", CTLTYPE_NODE }, \ 26416368Swollman { "isdn", CTLTYPE_NODE }, \ 26516368Swollman { "key", CTLTYPE_NODE }, \ 26633006Salex { "inet6", CTLTYPE_NODE }, \ 26725609Skjc { "natm", CTLTYPE_NODE }, \ 26852435Sjulian { "atm", CTLTYPE_NODE }, \ 26952435Sjulian { "hdrcomplete", CTLTYPE_NODE }, \ 27052419Sjulian { "netgraph", CTLTYPE_NODE }, \ 2711541Srgrimes} 2721541Srgrimes 2731541Srgrimes/* 2741541Srgrimes * PF_ROUTE - Routing table 2751541Srgrimes * 2761541Srgrimes * Three additional levels are defined: 2771541Srgrimes * Fourth: address family, 0 is wildcard 2781541Srgrimes * Fifth: type of info, defined below 2791541Srgrimes * Sixth: flag(s) to mask with for NET_RT_FLAGS 2801541Srgrimes */ 2811541Srgrimes#define NET_RT_DUMP 1 /* dump; may limit to a.f. */ 2821541Srgrimes#define NET_RT_FLAGS 2 /* by flags, e.g. RESOLVING */ 2831541Srgrimes#define NET_RT_IFLIST 3 /* survey interface list */ 2841541Srgrimes#define NET_RT_MAXID 4 2851541Srgrimes 2861541Srgrimes#define CTL_NET_RT_NAMES { \ 2871541Srgrimes { 0, 0 }, \ 2881541Srgrimes { "dump", CTLTYPE_STRUCT }, \ 2891541Srgrimes { "flags", CTLTYPE_STRUCT }, \ 2901541Srgrimes { "iflist", CTLTYPE_STRUCT }, \ 2911541Srgrimes} 2921541Srgrimes 2931541Srgrimes/* 2941541Srgrimes * Maximum queue length specifiable by listen. 2951541Srgrimes */ 29613258Sdg#define SOMAXCONN 128 2971541Srgrimes 2981541Srgrimes/* 2991541Srgrimes * Message header for recvmsg and sendmsg calls. 3001541Srgrimes * Used value-result for recvmsg, value only for sendmsg. 3011541Srgrimes */ 3021541Srgrimesstruct msghdr { 30353678Sphk void *msg_name; /* optional address */ 30453678Sphk socklen_t msg_namelen; /* size of address */ 30553678Sphk struct iovec *msg_iov; /* scatter/gather array */ 30653678Sphk int msg_iovlen; /* # elements in msg_iov */ 30753678Sphk void *msg_control; /* ancillary data, see below */ 30853678Sphk socklen_t msg_controllen; /* ancillary data buffer len */ 30953678Sphk int msg_flags; /* flags on received message */ 3101541Srgrimes}; 3111541Srgrimes 3121541Srgrimes#define MSG_OOB 0x1 /* process out-of-band data */ 3131541Srgrimes#define MSG_PEEK 0x2 /* peek at incoming message */ 3141541Srgrimes#define MSG_DONTROUTE 0x4 /* send without using routing tables */ 3151541Srgrimes#define MSG_EOR 0x8 /* data completes record */ 3161541Srgrimes#define MSG_TRUNC 0x10 /* data discarded before delivery */ 3171541Srgrimes#define MSG_CTRUNC 0x20 /* control data lost before delivery */ 3181541Srgrimes#define MSG_WAITALL 0x40 /* wait for full request or error */ 3191541Srgrimes#define MSG_DONTWAIT 0x80 /* this message should be nonblocking */ 3206223Swollman#define MSG_EOF 0x100 /* data completes connection */ 3213304Sphk#define MSG_COMPAT 0x8000 /* used in sendit() */ 3221541Srgrimes 3231541Srgrimes/* 3241541Srgrimes * Header for ancillary data objects in msg_control buffer. 3251541Srgrimes * Used for additional information with/about a datagram 3261541Srgrimes * not expressible by flags. The format is a sequence 3271541Srgrimes * of message elements headed by cmsghdr structures. 3281541Srgrimes */ 3291541Srgrimesstruct cmsghdr { 33053678Sphk socklen_t cmsg_len; /* data byte count, including hdr */ 33153678Sphk int cmsg_level; /* originating protocol */ 33253678Sphk int cmsg_type; /* protocol-specific type */ 3331541Srgrimes/* followed by u_char cmsg_data[]; */ 3341541Srgrimes}; 3351541Srgrimes 33624083Swpaul/* 33724083Swpaul * While we may have more groups than this, the cmsgcred struct must 33824083Swpaul * be able to fit in an mbuf, and NGROUPS_MAX is too large to allow 33924083Swpaul * this. 34024083Swpaul*/ 34124083Swpaul#define CMGROUP_MAX 16 34224083Swpaul 34324083Swpaul/* 34424083Swpaul * Credentials structure, used to verify the identity of a peer 34524083Swpaul * process that has sent us a message. This is allocated by the 34624083Swpaul * peer process but filled in by the kernel. This prevents the 34724083Swpaul * peer from lying about its identity. (Note that cmcred_groups[0] 34824083Swpaul * is the effective GID.) 34924083Swpaul */ 35024083Swpaulstruct cmsgcred { 35124083Swpaul pid_t cmcred_pid; /* PID of sending process */ 35224083Swpaul uid_t cmcred_uid; /* real UID of sending process */ 35324083Swpaul uid_t cmcred_euid; /* effective UID of sending process */ 35424083Swpaul gid_t cmcred_gid; /* real GID of sending process */ 35524083Swpaul short cmcred_ngroups; /* number or groups */ 35624083Swpaul gid_t cmcred_groups[CMGROUP_MAX]; /* groups */ 35724083Swpaul}; 35824083Swpaul 3591541Srgrimes/* given pointer to struct cmsghdr, return pointer to data */ 36057719Sshin#define CMSG_DATA(cmsg) ((u_char *)(cmsg) + \ 36157719Sshin ALIGN(sizeof(struct cmsghdr))) 3621541Srgrimes 3631541Srgrimes/* given pointer to struct cmsghdr, return pointer to next cmsghdr */ 3641541Srgrimes#define CMSG_NXTHDR(mhdr, cmsg) \ 36557719Sshin (((caddr_t)(cmsg) + ALIGN((cmsg)->cmsg_len) + \ 36657719Sshin ALIGN(sizeof(struct cmsghdr)) > \ 36755009Sshin (caddr_t)(mhdr)->msg_control + (mhdr)->msg_controllen) ? \ 3681541Srgrimes (struct cmsghdr *)NULL : \ 36957719Sshin (struct cmsghdr *)((caddr_t)(cmsg) + ALIGN((cmsg)->cmsg_len))) 3701541Srgrimes 3711541Srgrimes#define CMSG_FIRSTHDR(mhdr) ((struct cmsghdr *)(mhdr)->msg_control) 3721541Srgrimes 37357719Sshin#define CMSG_SPACE(l) (ALIGN(sizeof(struct cmsghdr)) + ALIGN(l)) 37457719Sshin#define CMSG_LEN(l) (ALIGN(sizeof(struct cmsghdr)) + (l)) 37552904Sshin 3761541Srgrimes/* "Socket"-level control message types: */ 3771541Srgrimes#define SCM_RIGHTS 0x01 /* access rights (array of int) */ 37815701Swollman#define SCM_TIMESTAMP 0x02 /* timestamp (struct timeval) */ 37924083Swpaul#define SCM_CREDS 0x03 /* process creds (struct cmsgcred) */ 3801541Srgrimes 3811541Srgrimes/* 3821541Srgrimes * 4.3 compat sockaddr, move to compat file later 3831541Srgrimes */ 3841541Srgrimesstruct osockaddr { 3851541Srgrimes u_short sa_family; /* address family */ 3861541Srgrimes char sa_data[14]; /* up to 14 bytes of direct address */ 3871541Srgrimes}; 3881541Srgrimes 3891541Srgrimes/* 3901541Srgrimes * 4.3-compat message header (move to compat file later). 3911541Srgrimes */ 3921541Srgrimesstruct omsghdr { 3931541Srgrimes caddr_t msg_name; /* optional address */ 3941541Srgrimes int msg_namelen; /* size of address */ 3951541Srgrimes struct iovec *msg_iov; /* scatter/gather array */ 3961541Srgrimes int msg_iovlen; /* # elements in msg_iov */ 3971541Srgrimes caddr_t msg_accrights; /* access rights sent/received */ 3981541Srgrimes int msg_accrightslen; 3991541Srgrimes}; 4001541Srgrimes 40139114Swollman/* 40239114Swollman * howto arguments for shutdown(2), specified by Posix.1g. 40339114Swollman */ 40439114Swollman#define SHUT_RD 0 /* shut down the reading side */ 40539114Swollman#define SHUT_WR 1 /* shut down the writing side */ 40639114Swollman#define SHUT_RDWR 2 /* shut down both sides */ 40739114Swollman 40840931Sdg/* 40940931Sdg * sendfile(2) header/trailer struct 41040931Sdg */ 41140931Sdgstruct sf_hdtr { 41240931Sdg struct iovec *headers; /* pointer to an array of header struct iovec's */ 41340931Sdg int hdr_cnt; /* number of header iovec's */ 41440931Sdg struct iovec *trailers; /* pointer to an array of trailer struct iovec's */ 41540931Sdg int trl_cnt; /* number of trailer iovec's */ 41640931Sdg}; 41740931Sdg 41855205Speter#ifndef _KERNEL 4191541Srgrimes 4201541Srgrimes#include <sys/cdefs.h> 4211541Srgrimes 4221541Srgrimes__BEGIN_DECLS 42353678Sphkint accept __P((int, struct sockaddr *, socklen_t *)); 42453678Sphkint bind __P((int, const struct sockaddr *, socklen_t)); 42553678Sphkint connect __P((int, const struct sockaddr *, socklen_t)); 42653678Sphkint getpeername __P((int, struct sockaddr *, socklen_t *)); 42753678Sphkint getsockname __P((int, struct sockaddr *, socklen_t *)); 42853678Sphkint getsockopt __P((int, int, int, void *, socklen_t *)); 4291541Srgrimesint listen __P((int, int)); 4301541Srgrimesssize_t recv __P((int, void *, size_t, int)); 43153678Sphkssize_t recvfrom __P((int, void *, size_t, int, struct sockaddr *, socklen_t *)); 4321541Srgrimesssize_t recvmsg __P((int, struct msghdr *, int)); 4331541Srgrimesssize_t send __P((int, const void *, size_t, int)); 4341541Srgrimesssize_t sendto __P((int, const void *, 43553678Sphk size_t, int, const struct sockaddr *, socklen_t)); 4361541Srgrimesssize_t sendmsg __P((int, const struct msghdr *, int)); 43740931Sdgint sendfile __P((int, int, off_t, size_t, struct sf_hdtr *, off_t *, int)); 43853678Sphkint setsockopt __P((int, int, int, const void *, socklen_t)); 4391541Srgrimesint shutdown __P((int, int)); 4401541Srgrimesint socket __P((int, int, int)); 4411541Srgrimesint socketpair __P((int, int, int, int *)); 44252904Sshin 44352904Sshinvoid pfctlinput __P((int, struct sockaddr *)); 4441541Srgrimes__END_DECLS 4451541Srgrimes 44655205Speter#endif /* !_KERNEL */ 44731927Sbde 4481541Srgrimes#endif /* !_SYS_SOCKET_H_ */ 449