422 lines
14 KiB
C
422 lines
14 KiB
C
/*
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* :ts=8
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*
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* 'Roadshow' -- Amiga TCP/IP stack
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* Copyright (c) 2001-2016 by Olaf Barthel.
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* All Rights Reserved.
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*
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* Amiga specific TCP/IP 'C' header files;
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* Freely Distributable
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*/
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/*
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* Copyright (c) 1982, 1985, 1986, 1988, 1993, 1994
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)socket.h 8.6 (Berkeley) 5/3/95
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*/
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#ifndef _SYS_SOCKET_H
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#define _SYS_SOCKET_H
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/****************************************************************************/
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/* NOTE: the 'struct timeval' structure definition differs slightly between
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the AmigaOS usage (as defined in <devices/timer.h>) and the POSIX
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usage (as defined in <sys/time.h>. By default, this header file
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will include <devices/timer.h> under the assumption that there
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will be no problem as a result of that. However, if there are
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compilation issues, you might want to define the 'struct timeval'
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separately and disable the inclusion of <devices/timer.h>,
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which can be achieved by defining the preprocessor symbol
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__NO_NETINCLUDE_TIMEVAL before you include this header file. */
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/****************************************************************************/
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#ifndef _SYS_NETINCLUDE_TYPES_H
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#include <sys/netinclude_types.h>
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#endif /* _SYS_NETINCLUDE_TYPES_H */
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/****************************************************************************/
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/*
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* We might reference memmove() and memset() below, which is why
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* we need to make sure that both are declared somewhere.
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*/
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#include <string.h>
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#include <stdlib.h>
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#include <stddef.h>
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/****************************************************************************/
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/* 'struct iovec', as used in a 'struct msghdr' is defined in <sys/uio.h>. */
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#ifndef _SYS_UIO_H
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#include <sys/uio.h>
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#endif /* _SYS_UIO_H */
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/****************************************************************************/
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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/****************************************************************************/
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#ifdef __GNUC__
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#ifdef __PPC__
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#pragma pack(2)
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#endif
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#elif defined(__VBCC__)
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#pragma amiga-align
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#endif
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/****************************************************************************/
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/*
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* Definitions related to sockets: types, address families, options.
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*/
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/*
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* Data types.
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*/
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typedef unsigned char sa_family_t;
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typedef unsigned long socklen_t;
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/*
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* Types
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*/
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#define SOCK_STREAM 1 /* stream socket */
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#define SOCK_DGRAM 2 /* datagram socket */
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#define SOCK_RAW 3 /* raw-protocol interface */
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#define SOCK_RDM 4 /* reliably-delivered message */
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#define SOCK_SEQPACKET 5 /* sequenced packet stream */
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/*
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* Option flags per-socket.
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*/
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#define SO_DEBUG 0x0001 /* turn on debugging info recording */
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#define SO_ACCEPTCONN 0x0002 /* socket has had listen() */
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#define SO_REUSEADDR 0x0004 /* allow local address reuse */
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#define SO_KEEPALIVE 0x0008 /* keep connections alive */
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#define SO_DONTROUTE 0x0010 /* just use interface addresses */
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#define SO_BROADCAST 0x0020 /* permit sending of broadcast msgs */
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#define SO_USELOOPBACK 0x0040 /* bypass hardware when possible */
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#define SO_LINGER 0x0080 /* linger on close if data present */
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#define SO_OOBINLINE 0x0100 /* leave received OOB data in line */
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#define SO_REUSEPORT 0x0200 /* allow local address & port reuse */
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/*
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* Additional options, not kept in so_options.
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*/
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#define SO_SNDBUF 0x1001 /* send buffer size */
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#define SO_RCVBUF 0x1002 /* receive buffer size */
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#define SO_SNDLOWAT 0x1003 /* send low-water mark */
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#define SO_RCVLOWAT 0x1004 /* receive low-water mark */
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#define SO_SNDTIMEO 0x1005 /* send timeout */
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#define SO_RCVTIMEO 0x1006 /* receive timeout */
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#define SO_ERROR 0x1007 /* get error status and clear */
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#define SO_TYPE 0x1008 /* get socket type */
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/* This is a private option which is used exclusively
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* by this Amiga TCP/IP stack implementation and should not
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* be used by user code.
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*/
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#define SO_EVENTMASK 0x2001
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/*
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* Structure used for manipulating linger option.
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*/
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struct linger {
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__LONG l_onoff; /* option on/off */
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__LONG l_linger; /* linger time in seconds */
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};
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/*
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* Level number for (get/set)sockopt() to apply to socket itself.
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*/
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#define SOL_SOCKET 0xffff /* options for socket level */
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/*
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* Address families.
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*/
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#define AF_UNSPEC 0 /* unspecified */
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#define AF_LOCAL 1 /* local to host (pipes, portals) */
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#define AF_UNIX AF_LOCAL /* backward compatibility */
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#define AF_INET 2 /* internetwork: UDP, TCP, etc. */
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#define AF_IMPLINK 3 /* arpanet imp addresses */
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#define AF_PUP 4 /* pup protocols: e.g. BSP */
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#define AF_CHAOS 5 /* mit CHAOS protocols */
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#define AF_NS 6 /* XEROX NS protocols */
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#define AF_ISO 7 /* ISO protocols */
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#define AF_OSI AF_ISO
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#define AF_ECMA 8 /* european computer manufacturers */
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#define AF_DATAKIT 9 /* datakit protocols */
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#define AF_CCITT 10 /* CCITT protocols, X.25 etc */
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#define AF_SNA 11 /* IBM SNA */
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#define AF_DECnet 12 /* DECnet */
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#define AF_DLI 13 /* DEC Direct data link interface */
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#define AF_LAT 14 /* LAT */
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#define AF_HYLINK 15 /* NSC Hyperchannel */
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#define AF_APPLETALK 16 /* Apple Talk */
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#define AF_ROUTE 17 /* Internal Routing Protocol */
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#define AF_LINK 18 /* Link layer interface */
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#define pseudo_AF_XTP 19 /* eXpress Transfer Protocol (no AF) */
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#define AF_COIP 20 /* connection-oriented IP, aka ST II */
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#define AF_CNT 21 /* Computer Network Technology */
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#define pseudo_AF_RTIP 22 /* Help Identify RTIP packets */
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#define AF_IPX 23 /* Novell Internet Protocol */
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#define AF_SIP 24 /* Simple Internet Protocol */
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#define pseudo_AF_PIP 25 /* Help Identify PIP packets */
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#define AF_MAX 26
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/*
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* Structure used by kernel to store most
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* addresses.
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*/
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struct sockaddr {
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__UBYTE sa_len; /* total length */
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sa_family_t sa_family; /* address family */
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__UBYTE sa_data[14]; /* actually longer; address value */
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};
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/*
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* Structure used by kernel to pass protocol
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* information in raw sockets.
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*/
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struct sockproto {
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__UWORD sp_family; /* address family */
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__UWORD sp_protocol; /* protocol */
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};
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/*
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* Protocol families, same as address families for now.
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*/
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#define PF_UNSPEC AF_UNSPEC
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#define PF_LOCAL AF_LOCAL
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#define PF_UNIX PF_LOCAL /* backward compatibility */
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#define PF_INET AF_INET
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#define PF_IMPLINK AF_IMPLINK
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#define PF_PUP AF_PUP
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#define PF_CHAOS AF_CHAOS
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#define PF_NS AF_NS
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#define PF_ISO AF_ISO
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#define PF_OSI AF_ISO
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#define PF_ECMA AF_ECMA
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#define PF_DATAKIT AF_DATAKIT
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#define PF_CCITT AF_CCITT
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#define PF_SNA AF_SNA
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#define PF_DECnet AF_DECnet
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#define PF_DLI AF_DLI
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#define PF_LAT AF_LAT
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#define PF_HYLINK AF_HYLINK
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#define PF_APPLETALK AF_APPLETALK
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#define PF_ROUTE AF_ROUTE
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#define PF_LINK AF_LINK
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#define PF_XTP pseudo_AF_XTP /* really just proto family, no AF */
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#define PF_COIP AF_COIP
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#define PF_CNT AF_CNT
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#define PF_SIP AF_SIP
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#define PF_IPX AF_IPX /* same format as AF_NS */
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#define PF_RTIP pseudo_AF_FTIP /* same format as AF_INET */
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#define PF_PIP pseudo_AF_PIP
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#define PF_MAX AF_MAX
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/*
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* Definitions for network related sysctl, CTL_NET.
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*
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* Second level is protocol family.
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* Third level is protocol number.
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*
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* Further levels are defined by the individual families below.
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*/
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#define NET_MAXID AF_MAX
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/*
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* PF_ROUTE - Routing table
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*
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* Three additional levels are defined:
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* Fourth: address family, 0 is wildcard
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* Fifth: type of info, defined below
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* Sixth: flag(s) to mask with for NET_RT_FLAGS
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*/
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#define NET_RT_DUMP 1 /* dump; may limit to a.f. */
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#define NET_RT_FLAGS 2 /* by flags, e.g. RESOLVING */
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#define NET_RT_IFLIST 3 /* survey interface list */
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#define NET_RT_MAXID 4
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/*
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* Maximum queue length specifiable by listen.
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*/
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#define SOMAXCONN 5
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/*
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* Message header for recvmsg and sendmsg calls.
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* Used value-result for recvmsg, value only for sendmsg.
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*/
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struct msghdr {
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__APTR msg_name; /* optional address */
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socklen_t msg_namelen; /* size of address */
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struct iovec * msg_iov; /* scatter/gather array */
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__ULONG msg_iovlen; /* # elements in msg_iov */
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__APTR msg_control; /* ancillary data, see below */
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socklen_t msg_controllen; /* ancillary data buffer len */
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__LONG msg_flags; /* flags on received message */
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};
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#define MSG_OOB 0x1 /* process out-of-band data */
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#define MSG_PEEK 0x2 /* peek at incoming message */
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#define MSG_DONTROUTE 0x4 /* send without using routing tables */
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#define MSG_EOR 0x8 /* data completes record */
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#define MSG_TRUNC 0x10 /* data discarded before delivery */
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#define MSG_CTRUNC 0x20 /* control data lost before delivery */
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#define MSG_WAITALL 0x40 /* wait for full request or error */
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#define MSG_DONTWAIT 0x80 /* this message should be nonblocking */
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/*
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* Header for ancillary data objects in msg_control buffer.
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* Used for additional information with/about a datagram
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* not expressible by flags. The format is a sequence
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* of message elements headed by cmsghdr structures.
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*/
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struct cmsghdr {
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socklen_t cmsg_len; /* data byte count, including hdr */
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__LONG cmsg_level; /* originating protocol */
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__LONG cmsg_type; /* protocol-specific type */
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/* followed by __UBYTE cmsg_data[]; */
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};
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/* given pointer to struct cmsghdr, return pointer to data */
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#define CMSG_DATA(cmsg) ((__UBYTE *)((cmsg) + 1))
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/* given pointer to struct cmsghdr, return pointer to next cmsghdr */
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#define CMSG_NXTHDR(mhdr, cmsg) \
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(((__APTR)(cmsg) + (cmsg)->cmsg_len + sizeof(struct cmsghdr) > \
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(mhdr)->msg_control + (mhdr)->msg_controllen) ? \
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(struct cmsghdr *)NULL : \
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(struct cmsghdr *)((__APTR)(cmsg) + ALIGN((cmsg)->cmsg_len)))
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#define CMSG_FIRSTHDR(mhdr) ((struct cmsghdr *)(mhdr)->msg_control)
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/* "Socket"-level control message types: */
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#define SCM_RIGHTS 0x01 /* access rights (array of __LONG) */
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/*
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* The following comes from the original <sys/types.h> header file,
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* which has been retired in favour of the <sys/netinclude_types.h>
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* type definitions. What remains are the macros in support of the
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* "select()" call and those for endian-neutral operations.
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*/
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/****************************************************************************/
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/*
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* In case the select() data structures and macros are already
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* defined by somebody else...
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*/
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#ifndef FD_SET
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#define NBBY 8 /* number of bits in a byte */
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/*
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* Select uses bit masks of file descriptors in longs. These macros
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* manipulate such bit fields (the filesystem macros use chars).
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* FD_SETSIZE may be defined by the user, but the default here should
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* be enough for most uses.
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*/
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#ifndef FD_SETSIZE
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#define FD_SETSIZE 256
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#endif
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typedef unsigned long fd_mask;
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#define NFDBITS (sizeof(fd_mask) * NBBY) /* bits per mask */
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#ifndef howmany
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#define howmany(x, y) (((x) + ((y) - 1)) / (y))
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#endif
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typedef struct fd_set {
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fd_mask fds_bits[howmany(FD_SETSIZE, NFDBITS)];
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} fd_set;
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#define FD_SET(n, p) ((void)(((unsigned long)n) < FD_SETSIZE ? (p)->fds_bits[((unsigned long)n)/NFDBITS] |= (1 << (((unsigned long)n) % NFDBITS)) : 0))
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#define FD_CLR(n, p) ((void)(((unsigned long)n) < FD_SETSIZE ? (p)->fds_bits[((unsigned long)n)/NFDBITS] &= ~(1 << (((unsigned long)n) % NFDBITS)) : 0))
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#define FD_ISSET(n, p) (((unsigned long)n) < FD_SETSIZE && ((p)->fds_bits[((unsigned long)n)/NFDBITS] & (1 << (((unsigned long)n) % NFDBITS))))
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#define FD_COPY(f, t) ((void)memmove((t), (f), sizeof(*(f))))
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#define FD_ZERO(p) ((void)memset((p), 0, sizeof(*(p))))
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#endif /* FD_SET */
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/****************************************************************************/
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#ifdef __GNUC__
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#ifdef __PPC__
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#pragma pack()
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#endif
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#elif defined(__VBCC__)
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#pragma default-align
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#endif
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/****************************************************************************/
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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/****************************************************************************/
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#ifndef __NO_NETINCLUDE_TIMEVAL
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/*
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* This is for compatibility with POSIX-like 'timeval' structures
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* which are remarkably similar to the Amiga 'timeval' except for
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* the structure member names...
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*/
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#ifndef DEVICES_TIMER_H
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#include <devices/timer.h>
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#endif /* DEVICES_TIMER_H */
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#ifndef tv_sec
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#define tv_sec tv_secs
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#endif /* tv_sec */
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#ifndef tv_usec
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#define tv_usec tv_micro
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#endif /* tv_usec */
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#endif /* __NO_NETINCLUDE_TIMEVAL */
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/****************************************************************************/
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#endif /* !_SYS_SOCKET_H_ */
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