01207cc66e
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@338 42af7a65-404d-4744-a932-0658087f49c3
138 lines
5.1 KiB
C
138 lines
5.1 KiB
C
/****************************************************************************
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* net-internal.h
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*
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* Copyright (C) 2007 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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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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*
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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
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name Gregory Nutt nor the names of its contributors may be
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* 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 COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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#ifndef __NET_INTERNAL_H
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#define __NET_INTERNAL_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#ifdef CONFIG_NET
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#include <time.h>
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#include <nuttx/net.h>
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#include "net-internal.h"
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/****************************************************************************
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* Definitions
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****************************************************************************/
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/* This macro converts a socket option value into a bit setting */
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#define _SO_BIT(o) (1 << (o))
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/* These define bit positions for each socket option (see sys/socket.h) */
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#define _SO_DEBUG _SO_BIT(SO_DEBUG)
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#define _SO_ACCEPTCONN _SO_BIT(SO_ACCEPTCONN)
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#define _SO_BROADCAST _SO_BIT(SO_BROADCAST)
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#define _SO_REUSEADDR _SO_BIT(SO_REUSEADDR)
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#define _SO_KEEPALIVE _SO_BIT(SO_KEEPALIVE)
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#define _SO_LINGER _SO_BIT(SO_LINGER)
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#define _SO_OOBINLINE _SO_BIT(SO_OOBINLINE)
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#define _SO_SNDBUF _SO_BIT(SO_SNDBUF)
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#define _SO_RCVBUF _SO_BIT(SO_RCVBUF)
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#define _SO_ERROR _SO_BIT(SO_ERROR)
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#define _SO_TYPE _SO_BIT(SO_TYPE)
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#define _SO_DONTROUTE _SO_BIT(SO_DONTROUTE)
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#define _SO_RCVLOWAT _SO_BIT(SO_RCVLOWAT)
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#define _SO_RCVTIMEO _SO_BIT(SO_RCVTIMEO)
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#define _SO_SNDLOWAT _SO_BIT(SO_SNDLOWAT)
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#define _SO_SNDTIMEO _SO_BIT(SO_SNDTIMEO)
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/* This is the larget option value */
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#define _SO_MAXOPT (15)
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/* Macros to set, test, clear options */
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#define _SO_SETOPT(s,o) ((s) |= _SO_BIT(o))
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#define _SO_CLROPT(s,o) ((s) &= ~_SO_BIT(o))
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#define _SO_GETOPT(s,o) (((s) & _SO_BIT(o)) != 0)
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/* These are macros that can be used to determine if socket option code is
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* valid (in range) and supported by API.
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*/
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#define _SO_GETONLYSET (_SO_ACCEPTCONN|_SO_ERROR|_SO_TYPE)
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#define _SO_GETONLY(o) ((_SO_BIT(o) & _SO_GETONLYSET) != 0)
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#define _SO_GETVALID(o) (((unsigned int)(o)) <= _SO_MAXOPT)
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#define _SO_SETVALID(o) ((((unsigned int)(o)) <= _SO_MAXOPT) && !_SO_GETONLY(o))
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/****************************************************************************
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* Public Types
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****************************************************************************/
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/****************************************************************************
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* Public Variables
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****************************************************************************/
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/****************************************************************************
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* Pulblic Function Prototypes
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****************************************************************************/
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#undef EXTERN
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#if defined(__cplusplus)
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#define EXTERN extern "C"
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extern "C" {
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#else
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#define EXTERN extern
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#endif
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/* net-sockets.c *************************************************************/
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EXTERN int sockfd_allocate(void);
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EXTERN void sockfd_release(int sockfd);
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EXTERN FAR struct socket *sockfd_socket(int sockfd);
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/* sockopt support ***********************************************************/
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#if defined(CONFIG_NET_SOCKOPTS) && !defined(CONFIG_DISABLE_CLOCK)
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EXTERN int net_timeo(uint32 start_time, socktimeo_t timeo);
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EXTERN socktimeo_t net_timeval2dsec(struct timeval *tv);
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EXTERN void net_dsec2timeval(uint16 dsec, struct timeval *tv);
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#endif
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#undef EXTERN
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#if defined(__cplusplus)
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}
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#endif
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#endif /* CONFIG_NET */
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#endif /* __NET_INTERNAL_H */
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