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/****************************************************************************
* net-internal.h
*
* Copyright (C) 2007 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name Gregory Nutt nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
#ifndef __NET_INTERNAL_H
#define __NET_INTERNAL_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#ifdef CONFIG_NET
#include <nuttx/net.h>
#include "net-internal.h"
/****************************************************************************
* Definitions
****************************************************************************/
/* This macro converts a socket option value into a bit setting */
#define _SO_BIT(o) (1 << (o))
/* These define bit positions for each socket option (see sys/socket.h) */
#define _SO_DEBUG _SO_BIT(SO_DEBUG)
#define _SO_ACCEPTCONN _SO_BIT(SO_ACCEPTCONN)
#define _SO_BROADCAST _SO_BIT(SO_BROADCAST)
#define _SO_REUSEADDR _SO_BIT(SO_REUSEADDR)
#define _SO_KEEPALIVE _SO_BIT(SO_KEEPALIVE)
#define _SO_LINGER _SO_BIT(SO_LINGER)
#define _SO_OOBINLINE _SO_BIT(SO_OOBINLINE)
#define _SO_SNDBUF _SO_BIT(SO_SNDBUF)
#define _SO_RCVBUF _SO_BIT(SO_RCVBUF)
#define _SO_ERROR _SO_BIT(SO_ERROR)
#define _SO_TYPE _SO_BIT(SO_TYPE)
#define _SO_DONTROUTE _SO_BIT(SO_DONTROUTE)
#define _SO_RCVLOWAT _SO_BIT(SO_RCVLOWAT)
#define _SO_RCVTIMEO _SO_BIT(SO_RCVTIMEO)
#define _SO_SNDLOWAT _SO_BIT(SO_SNDLOWAT)
#define _SO_SNDTIMEO _SO_BIT(SO_SNDTIMEO)
/* This is the larget option value */
#define _SO_MAXOPT (15)
/* Macros to set, test, clear options */
#define _SO_SETOPT(s,o) ((s) |= _SO_BIT(o))
#define _SO_CLROPT(s,o) ((s) &= ~_SO_BIT(o))
#define _SO_GETOPT(s,o) (((s) & _SO_BIT(o)) != 0)
/* These are macros that can be used to determine if socket option code is
* valid (in range) and supported by API.
*/
#define _SO_GETONLYSET (_SO_ACCEPTCONN|_SO_ERROR|_SO_TYPE)
#define _SO_GETONLY(o) ((_SO_BIT(o) & _SO_GETONLYSET) != 0)
#define _SO_GETVALID(o) (((unsigned int)(o)) <= _SO_MAXOPT)
#define _SO_SETVALID(o) ((((unsigned int)(o)) <= _SO_MAXOPT) && !_SO_GETONLY(o))
/****************************************************************************
* Public Types
****************************************************************************/
/****************************************************************************
* Public Variables
****************************************************************************/
/****************************************************************************
* Pulblic Function Prototypes
****************************************************************************/
#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C" {
#else
#define EXTERN extern
#endif
/* net-sockets.c *************************************************************/
EXTERN void weak_function net_initialize(void);
EXTERN int sockfd_allocate(void);
EXTERN void sockfd_release(int sockfd);
EXTERN FAR struct socket *sockfd_socket(int sockfd);
/* sockopt support ***********************************************************/
#if defined(CONFIG_NET_SOCKOPTS) && !defined(CONFIG_DISABLE_CLOCK)
EXTERN int net_timeo(uint32 start_time, socktimeo_t timeo);
EXTERN socktimeo_t net_timeval2dsec(struct timeval *tv);
EXTERN void net_dsec2timeval(uint16 dsec, struct timeval *tv);
#endif
#undef EXTERN
#if defined(__cplusplus)
}
#endif
#endif /* CONFIG_NET */
#endif /* __NET_INTERNAL_H */
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