socket.h
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上传日期:2007-04-14
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- /* @(#)socket.h 6.23 7/18/94 - STREAMware TCP/IP source */
- /*
- * Copyrighted as an unpublished work.
- * (c) Copyright 1987-1994 Legent Corporation
- * All rights reserved.
- *
- * RESTRICTED RIGHTS
- *
- * These programs are supplied under a license. They may be used,
- * disclosed, and/or copied only as permitted under such license
- * agreement. Any copy must contain the above copyright notice and
- * this restricted rights notice. Use, copying, and/or disclosure
- * of the programs is strictly prohibited unless otherwise provided
- * in the license agreement.
- *
- */
- /* SCCS IDENTIFICATION */
- /*
- * Copyright (c) 1985 Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms are permitted
- * provided that the above copyright notice and this paragraph are
- * duplicated in all such forms and that any documentation,
- * advertising materials, and other materials related to such
- * distribution and use acknowledge that the software was developed
- * by the University of California, Berkeley. The name of the
- * University may not be used to endorse or promote products derived
- * from this software without specific prior written permission.
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- */
- #ifndef __sys_socket_h
- #define __sys_socket_h
- #if !defined(FD_SETSIZE)
- /* Pick up select stuff from standard system include */
- #include <sys/types.h>
- #endif
- /* socket.h 6.1 83/07/29 */
- /*
- * Definitions related to sockets: types, address families, options.
- */
- /*
- * Types
- */
- #define SOCK_STREAM 1 /* stream socket */
- #define SOCK_DGRAM 2 /* datagram socket */
- #define SOCK_RAW 3 /* raw-protocol interface */
- #define SOCK_RDM 4 /* reliably-delivered message */
- #define SOCK_SEQPACKET 5 /* sequenced packet stream */
- /*
- * Option flags per-socket.
- */
- #define SO_DEBUG 0x0001 /* turn on debugging info recording */
- #define SO_ACCEPTCONN 0x0002 /* socket has had listen() */
- #define SO_REUSEADDR 0x0004 /* allow local address reuse */
- #define SO_KEEPALIVE 0x0008 /* keep connections alive */
- #define SO_DONTROUTE 0x0010 /* just use interface addresses */
- #define SO_BROADCAST 0x0020 /* permit sending of broadcast msgs */
- #define SO_USELOOPBACK 0x0040 /* bypass hardware when possible */
- #define SO_LINGER 0x0080 /* linger on close if data present */
- #define SO_OOBINLINE 0x0100 /* leave received OOB data in line */
- #define SO_ORDREL 0x0200 /* give use orderly release */
- #define SO_IMASOCKET 0x0400 /* use socket semantics (affects bind) */
- #define SO_MGMT 0x0800 /* => it is used for mgmt. purposes */
- #define SO_REUSEPORT 0x1000 /* allow local port reuse */
- /*
- * Additional options, not kept in so_options.
- */
- #define SO_SNDBUF 0x1001 /* send buffer size */
- #define SO_RCVBUF 0x1002 /* receive buffer size */
- #define SO_SNDLOWAT 0x1003 /* send low-water mark */
- #define SO_RCVLOWAT 0x1004 /* receive low-water mark */
- #define SO_SNDTIMEO 0x1005 /* send timeout */
- #define SO_RCVTIMEO 0x1006 /* receive timeout */
- #define SO_ERROR 0x1007 /* get error status and clear */
- #define SO_TYPE 0x1008 /* get socket type */
- #define SO_PROTOTYPE 0x1009 /* get/set protocol type */
- /*
- * Structure used for manipulating linger option.
- */
- struct linger {
- int l_onoff; /* option on/off */
- int l_linger; /* linger time */
- };
- /*
- * Level number for (get/set)sockopt() to apply to socket itself.
- */
- #define SOL_SOCKET 0xffff /* options for socket level */
- /*
- * An option specification consists of an opthdr, followed by the value of
- * the option. An options buffer contains one or more options. The len
- * field of opthdr specifies the length of the option value in bytes. This
- * length must be a multiple of sizeof(long) (use OPTLEN macro).
- */
- struct opthdr {
- long level; /* protocol level affected */
- long name; /* option to modify */
- long len; /* length of option value */
- };
- #define OPTLEN(x) ((((x) + sizeof(long) - 1) / sizeof(long)) * sizeof(long))
- #define OPTVAL(opt) ((char *)(opt + 1))
- #if defined(INKERNEL) || defined(_KERNEL) || defined(_INKERNEL)
- /*
- * the optdefault structure is used for internal tables of option default
- * values.
- */
- struct optdefault {
- int optname;/* the option */
- char *val; /* ptr to default value */
- int len; /* length of value */
- };
- /*
- * the opproc structure is used to build tables of options processing
- * functions for in_dooptions().
- */
- struct opproc {
- int level; /* options level this function handles */
- int (*func) (); /* the function */
- };
- #endif
- /*
- * Address families.
- */
- #define AF_UNSPEC 0 /* unspecified */
- #define AF_UNIX 1 /* local to host (pipes, portals) */
- #define AF_INET 2 /* internetwork: UDP, TCP, etc. */
- #define AF_IMPLINK 3 /* arpanet imp addresses */
- #define AF_PUP 4 /* pup protocols: e.g. BSP */
- #define AF_CHAOS 5 /* mit CHAOS protocols */
- #define AF_NS 6 /* XEROX NS protocols */
- #define AF_ISO 7 /* ISO protocols */
- #define AF_OSI AF_ISO
- #define AF_ECMA 8 /* european computer manufacturers */
- #define AF_DATAKIT 9 /* datakit protocols */
- #define AF_CCITT 10 /* CCITT protocols, X.25 etc */
- #define AF_SNA 11 /* IBM SNA */
- #define AF_DECnet 12 /* DECnet */
- #define AF_DLI 13 /* Direct data link interface */
- #define AF_LAT 14 /* LAT */
- #define AF_HYLINK 15 /* NSC Hyperchannel */
- #define AF_APPLETALK 16 /* Apple Talk */
- #define AF_ROUTE 17 /* Internal Routing Protocol */
- #define AF_LINK 18 /* Link layer interface */
- #define pseudo_AF_XTP 19 /* eXpress Transfer Protocol (no AF) */
- #define AF_MAX 20
- /*
- * Structure used by kernel to store most addresses.
- */
- struct sockaddr {
- u_short sa_family; /* address family */
- char sa_data[14]; /* up to 14 bytes of direct address */
- };
- /*
- * Structure used by kernel to pass protocol information in raw sockets.
- */
- struct sockproto {
- unsigned short sp_family; /* address family */
- unsigned short sp_protocol; /* protocol */
- };
- /*
- * Protocol families, same as address families for now.
- */
- #define PF_UNSPEC AF_UNSPEC
- #define PF_UNIX AF_UNIX
- #define PF_INET AF_INET
- #define PF_IMPLINK AF_IMPLINK
- #define PF_PUP AF_PUP
- #define PF_CHAOS AF_CHAOS
- #define PF_NS AF_NS
- #define PF_NBS AF_NBS
- #define PF_ECMA AF_ECMA
- #define PF_DATAKIT AF_DATAKIT
- #define PF_CCITT AF_CCITT
- #define PF_SNA AF_SNA
- #define PF_DECnet AF_DECnet
- #define PF_DLI AF_DLI
- #define PF_LAT AF_LAT
- #define PF_HYLINK AF_HYLINK
- #define PF_APPLETALK AF_APPLETALK
- #define PF_ROUTE AF_ROUTE
- #define PF_LINK AF_LINK
- #define PF_XTP pseudo_AF_XTP /* really just proto family, no AF */
- #define PF_MAX AF_MAX
- /*
- * Maximum queue length specifiable by listen.
- */
- #define SOMAXCONN 5
- /*
- * Message header for recvmsg and sendmsg calls.
- * Used value-result for recmvsg, value only for sendmsg.
- */
- struct msghdr {
- caddr_t msg_name; /* optional address */
- u_int msg_namelen; /* size of address */
- struct iovec *msg_iov; /* scatter/gather array */
- u_int msg_iovlen; /* # elements msg_iov */
- caddr_t msg_control; /* ancillary data, see below */
- u_int msg_controllen; /* ancillary data buffer len */
- int msg_flags; /* flags on received message */
- };
- #define msg_accrights msg_control
- #define msg_accrightslen msg_controllen
- #define MSG_OOB 0x1 /* process out-of-band data */
- #define MSG_PEEK 0x2 /* peek at incoming message */
- #define MSG_DONTROUTE 0x4 /* send without using routing tables */
- #define MSG_EOR 0x8 /* data completes record */ /*notused*/
- #define MSG_TRUNC 0x10 /* data discarded before delivery */
- #define MSG_CTRUNC 0x20 /* control data lost before delivery */
- #define MSG_WAITALL 0x40 /* wait for full request or error */ /*notused*/
- #define MSG_MAXIOVLEN 16
- /*
- * Header for ancillary data objects in msg_control buffer.
- * Used for additional information with/about a datagram
- * not expressible by flags. The format is a sequence
- * of message elements headed by cmsghdr structures.
- * In STREAMware, we shuffle the fields around a little from what
- * they were in net-2, so that they line up the same as an opthdr
- * which simplifies our socket implementation amazingly.
- *
- * Unfortunately, the opthdrs don't include their own length, which the
- * cmsghdrs do. What this means is that TLI programmers will not be
- * able to take something returned using these macros and immediately give
- * it back to the stack. The size of the struct cmsghdr will have to be
- * subtracted out.
- * There doesn't seem to be a way to avoid this, since several applications
- * look into the cmsg_len field and won't work if it doesn't include the size
- * of the struct cmsghdr.
- */
- struct cmsghdr {
- int cmsg_level; /* originating protocol */
- int cmsg_type; /* protocol-specific type */
- u_int cmsg_len; /* data byte count, including hdr */
- /* followed by u_char cmsg_data[]; */
- };
- /* given pointer to struct adatahdr, return pointer to data */
- #define CMSG_DATA(cmsg) ((u_char *)((cmsg) + 1))
- /* given pointer to struct adatahdr, return pointer to next adatahdr */
- #define CMSG_NXTHDR(mhdr, cmsg)
- (((caddr_t)(cmsg) + (cmsg)->cmsg_len + sizeof(struct cmsghdr) >
- (mhdr)->msg_control + (mhdr)->msg_controllen) ?
- (struct cmsghdr *)NULL :
- (struct cmsghdr *)((caddr_t)(cmsg) + OPTLEN((cmsg)->cmsg_len)))
- #define CMSG_FIRSTHDR(mhdr) ((struct cmsghdr *)(mhdr)->msg_control)
- /* "Socket"-level control message types: */
- #define SCM_RIGHTS 0x01 /* access rights (array of int) */
- /*
- * This ioctl code uses BSD style ioctls to avoid copyin/out problems.
- * Ioctls have the command encoded in the lower word, and the size of any in
- * or out parameters in the upper word. The high 2 bits of the upper word
- * are used to encode the in/out status of the parameter; for now we restrict
- * parameters to at most 128 bytes.
- */
- #define IOCPARM_MASK 0x7f /* parameters must be < 128 bytes */
- #define IOC_VOID 0x20000000 /* no parameters */
- #define IOC_OUT 0x40000000 /* copy out parameters */
- #define IOC_IN 0x80000000 /* copy in parameters */
- #define IOC_INOUT (IOC_IN|IOC_OUT)
- /* the 0x20000000 is so we can distinguish new ioctls from old */
- #define _IOS(x,y) (IOC_VOID|(x<<8)|y)
- #define _IOSR(x,y,t) (IOC_OUT|((sizeof(t)&IOCPARM_MASK)<<16)|(x<<8)|y)
- #define _IOSW(x,y,t) (IOC_IN|((sizeof(t)&IOCPARM_MASK)<<16)|(x<<8)|y)
- /* this should be _IOSRW, but stdio got there first */
- #define _IOSWR(x,y,t) (IOC_INOUT|((sizeof(t)&IOCPARM_MASK)<<16)|(x<<8)|y)
- /*
- * Socket ioctl commands
- */
- #define SIOCSHIWAT _IOSW('S', 1, int) /* set high watermark */
- #define SIOCGHIWAT _IOSR('S', 2, int) /* get high watermark */
- #define SIOCSLOWAT _IOSW('S', 3, int) /* set low watermark */
- #define SIOCGLOWAT _IOSR('S', 4, int) /* get low watermark */
- #define SIOCATMARK _IOSR('S', 5, int) /* at oob mark? */
- #define SIOCSPGRP _IOSW('S', 6, int) /* set process group */
- #define SIOCGPGRP _IOSR('S', 7, int) /* get process group */
- #define FIONREAD _IOSR('S', 8, int) /* BSD compatibilty */
- #define FIONBIO _IOSW('S', 9, int) /* BSD compatibilty */
- #define FIOASYNC _IOSW('S', 10, int) /* BSD compatibilty */
- #define SIOCPROTO _IOSW('S', 11, struct socknewproto) /* link proto */
- #define SIOCGETNAME _IOSR('S', 12, struct sockaddr) /* getsockname */
- #define SIOCGETPEER _IOSR('S', 13, struct sockaddr) /* getpeername */
- #define IF_UNITSEL _IOSW('S', 14, int) /* set unit number */
- #define SIOCXPROTO _IOS('S', 15) /* empty proto table */
- #define SIOCSHRDTYPE _IOSW('S', 16, int) /* set hardware type */
- #define SIOCADDRT _IOSW('R', 9, struct ortentry) /* add route */
- #define SIOCDELRT _IOSW('R', 10, struct ortentry) /* delete route */
- #define SIOCSIFADDR _IOSW('I', 11, struct ifreq) /* set ifnet address */
- #define SIOCGIFADDR _IOSWR('I', 12, struct ifreq) /* get ifnet address */
- #define SIOCSIFDSTADDR _IOSW('I', 13, struct ifreq) /* set p-p address */
- #define SIOCGIFDSTADDR _IOSWR('I', 14, struct ifreq) /* get p-p address */
- #define SIOCSIFFLAGS _IOSW('I', 15, struct ifreq) /* set ifnet flags */
- #define SIOCGIFFLAGS _IOSWR('I', 16, struct ifreq) /* get ifnet flags */
- #define SIOCGIFCONF _IOSWR('I', 17, struct ifconf) /* get ifnet list */
- #define SIOCSIFMTU _IOSW('I', 21, struct ifreq) /* get if_mtu */
- #define SIOCGIFMTU _IOSWR('I', 22, struct ifreq) /* set if_mtu */
- #define SIOCGIFBRDADDR _IOSWR('I', 32, struct ifreq) /* get broadcast addr */
- #define SIOCSIFBRDADDR _IOSW('I', 33, struct ifreq) /* set broadcast addr */
- #define SIOCGIFNETMASK _IOSWR('I', 34, struct ifreq) /* get net addr mask */
- #define SIOCSIFNETMASK _IOSW('I', 35, struct ifreq) /* set net addr mask */
- #define SIOCGIFMETRIC _IOSWR('I', 36, struct ifreq) /* get IF metric */
- #define SIOCSIFMETRIC _IOSW('I', 37, struct ifreq) /* set IF metric */
- #define SIOCSARP _IOSW('I', 38, struct arpreq) /* set arp entry */
- #define SIOCGARP _IOSWR('I', 39, struct arpreq) /* get arp entry */
- #define SIOCDARP _IOSW('I', 40, struct arpreq) /* delete arp entry */
- #define SIOCSIFNAME _IOSW('I', 41, struct ifreq) /* set interface name */
- #define SIOCGIFONEP _IOSWR('I', 42, struct ifreq) /* get one-packet params */
- #define SIOCSIFONEP _IOSW('I', 43, struct ifreq) /* set one-packet params */
- #define SIOCDIFADDR _IOSW('I', 44, struct ifreq) /* delete IF addr */
- #define SIOCAIFADDR _IOSW('I', 45, struct ifaliasreq) /*add/change IF alias*/
- #define SIOCADDMULTI _IOSW('I', 49, struct ifreq) /* add m'cast addr */
- #define SIOCDELMULTI _IOSW('I', 50, struct ifreq) /* del m'cast addr */
- #define SIOCGIFALIAS _IOSWR('I', 51, struct ifaliasreq) /* get IF alias */
- #define SIOCSOCKSYS _IOSW('I', 66, struct socksysreq) /* Pseudo socket syscall */
- /* these use ifr_metric to pass the information */
- #define SIOCSIFDEBUG _IOSW('I', 67, struct ifreq) /* set if debug level */
- #define SIOCGIFDEBUG _IOSWR('I', 68, struct ifreq) /* get if debug level */
- #define SIOCSIFTYPE _IOSW('I', 69, struct ifreq) /* set if MIB type */
- #define SIOCGIFTYPE _IOSWR('I', 70, struct ifreq) /* get if MIB type */
- #define SIOCGIFNUM _IOSR('I', 71, int) /* get number of ifs */
- /*
- * This returns the number of ifreqs that SIOCGIFCONF would return, including
- * aliases. This is the preferred way of sizing a buffer big enough to hold
- * all interfaces.
- */
- #define SIOCGIFANUM _IOSR('I', 72, int) /* get number of ifreqs */
- /*
- * Interface specific performance tuning
- */
- #define SIOCGIFPERF _IOSR('I', 73, struct ifreq) /* get perf info */
- #define SIOCSIFPERF _IOSR('I', 74, struct ifreq) /* get perf info */
- /*
- * This structure is used to encode pseudo system calls
- */
- struct socksysreq {
- /* When porting, make this the widest thing it can be */
- int args[7];
- };
- /*
- * This structure is used for adding new protocols to the list supported by
- * sockets.
- */
- struct socknewproto {
- int family; /* address family (AF_INET, etc.) */
- int type; /* protocol type (SOCK_STREAM, etc.) */
- int proto; /* per family proto number */
- dev_t dev; /* major/minor to use (must be a clone) */
- int flags; /* protosw flags */
- };
- /*
- * utility definitions.
- */
- #ifdef MIN
- #undef MIN
- #endif
- #define MIN(x,y) ((x) < (y) ? (x) : (y))
- #ifndef MAX
- #define MAX(x,y) ((x) > (y) ? (x) : (y))
- #endif
- #define MAXHOSTNAMELEN 256
- #define NBBY 8 /* number of bits in a byte */
- /* defines for user/kernel interface */
- #define MAX_MINOR (makedev(1,0) - 1) /* could be non-portable */
- #define SOCKETSYS 140 /* SCO 3.2v5 */
- #define SO_ACCEPT 1
- #define SO_BIND 2
- #define SO_CONNECT 3
- #define SO_GETPEERNAME 4
- #define SO_GETSOCKNAME 5
- #define SO_GETSOCKOPT 6
- #define SO_LISTEN 7
- #define SO_RECV 8
- #define SO_RECVFROM 9
- #define SO_SEND 10
- #define SO_SENDTO 11
- #define SO_SETSOCKOPT 12
- #define SO_SHUTDOWN 13
- #define SO_SOCKET 14
- #define SO_SELECT 15
- #define SO_GETIPDOMAIN 16
- #define SO_SETIPDOMAIN 17
- #define SO_ADJTIME 18
- #define SO_SETREUID 19
- #define SO_SETREGID 20
- #define SO_GETTIME 21
- #define SO_SETTIME 22
- #define SO_GETITIMER 23
- #define SO_SETITIMER 24
- #define SO_RECVMSG 25
- #define SO_SENDMSG 26
- #define SO_SOCKPAIR 27
- /*
- * message flags
- */
- #define M_BCAST 0x80000000
- /* Definitions and structures used for extracting */
- /* the size and/or the contents of kernel tables */
- /* Copyin/out values */
- #define GIARG 0x1
- #define CONTI 0x2
- #define GITAB 0x4
- struct gi_arg {
- caddr_t gi_where;
- unsigned gi_size;
- };
- #if !defined(_KERNEL) && !defined(INKERNEL) && !defined(_INKERNEL)
- #include <sys/cdefs.h>
- __BEGIN_DECLS
- int accept __P_((int, struct sockaddr *, int *));
- int bind __P_((int, const struct sockaddr *, int));
- int connect __P_((int, const struct sockaddr *, int));
- int getpeername __P_((int, struct sockaddr *, int *));
- int getsockname __P_((int, struct sockaddr *, int *));
- int getsockopt __P_((int, int, int, void *, int *));
- int setsockopt __P_((int, int, int, const void *, int));
- int listen __P_((int, int));
- ssize_t recv __P_((int, void *, size_t, int));
- ssize_t recvfrom __P_((int, void *, size_t, int, struct sockaddr *, int *));
- int recvmsg __P_((int, struct msghdr *, int));
- ssize_t send __P_((int, const void *, size_t, int));
- int sendmsg __P_((int, const struct msghdr *, int));
- ssize_t sendto __P_((int, const void *, size_t, int, const struct sockaddr *, int));
- int shutdown __P_((int, int));
- int socket __P_((int, int, int));
- int socketpair __P_((int, int, int, int[2]));
- __END_DECLS
- #endif /* !INKERNEL */
- #endif /* __sys_socket_h */