uipopt.h

uIP是免费的TCP/IP协议栈,我们将它移植到我们的AVR以太网开发板中

/**
 * \defgroup uipopt Configuration options for uIP
 * @{
 *
 * uIP is configured using the per-project configuration file
 * "uipopt.h". This file contains all compile-time options for uIP and
 * should be tweaked to match each specific project. The uIP
 * distribution contains a documented example "uipopt.h" that can be
 * copied and modified for each project.
 */

/**
 * \file
 * Configuration options for uIP.
 * \author Adam Dunkels <[e-mail]>
 *
 * This file is used for tweaking various configuration options for
 * uIP. You should make a copy of this file into one of your project's
 * directories instead of editing this example "uipopt.h" file that
 * comes with the uIP distribution.
 */

/*
 * Copyright (c) 2001-2003, Adam Dunkels.
 * All rights reserved. 
 *
 * 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. The name of the author may not be used to endorse or promote
 *    products derived from this software without specific prior
 *    written permission.  
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.  
 *
 * This file is part of the uIP TCP/IP stack.
 *
 * $Id: uipopt.h,v 1.1 2004/05/09 00:24:48 Louis Exp $
 *
 */

#ifndef __UIPOPT_H__
#define __UIPOPT_H__

/*------------------------------------------------------------------------------*/
/**
 * \defgroup uipopttypedef uIP type definitions
 * @{
 */

/**
 * The 8-bit unsigned data type.
 *
 * This may have to be tweaked for your particular compiler. "unsigned
 * char" works for most compilers.
 */
typedef unsigned char u8_t;

/**
 * The 16-bit unsigned data type.
 *
 * This may have to be tweaked for your particular compiler. "unsigned
 * short" works for most compilers.
 */
typedef unsigned short u16_t;

/**
 * The statistics data type.
 *
 * This datatype determines how high the statistics counters are able
 * to count.
 */
typedef unsigned short uip_stats_t;

/** @} */

/*------------------------------------------------------------------------------*/

/**
 * \defgroup uipoptstaticconf Static configuration options
 * @{
 *
 * These configuration options can be used for setting the IP address
 * settings statically, but only if UIP_FIXEDADDR is set to 1. The
 * configuration options for a specific node includes IP address,
 * netmask and default router as well as the Ethernet address. The
 * netmask, default router and Ethernet address are appliciable only
 * if uIP should be run over Ethernet.
 *
 * All of these should be changed to suit your project.
*/

/**
 * Determines if uIP should use a fixed IP address or not.
 *
 * If uIP should use a fixed IP address, the settings are set in the
 * uipopt.h file. If not, the macros uip_sethostaddr(),
 * uip_setdraddr() and uip_setnetmask() should be used instead.
 *
 * \hideinitializer
 */
#define UIP_FIXEDADDR    1

/**
 * Ping IP address asignment.
 *
 * uIP uses a "ping" packets for setting its own IP address if this
 * option is set. If so, uIP will start with an empty IP address and
 * the destination IP address of the first incoming "ping" (ICMP echo)
 * packet will be used for setting the hosts IP address.
 *
 * \note This works only if UIP_FIXEDADDR is 0.
 *
 * \hideinitializer
 */
#define UIP_PINGADDRCONF 0

#define UIP_IPADDR0     192 /**< The first octet of the IP address of
			       this uIP node, if UIP_FIXEDADDR is
			       1. \hideinitializer */
#define UIP_IPADDR1     168 /**< The second octet of the IP address of
			       this uIP node, if UIP_FIXEDADDR is
			       1. \hideinitializer */
#define UIP_IPADDR2     0   /**< The third octet of the IP address of
			       this uIP node, if UIP_FIXEDADDR is
			       1. \hideinitializer */
#define UIP_IPADDR3     99   /**< The fourth octet of the IP address of
			       this uIP node, if UIP_FIXEDADDR is
			       1. \hideinitializer */

#define UIP_NETMASK0    255 /**< The first octet of the netmask of
			       this uIP node, if UIP_FIXEDADDR is
			       1. \hideinitializer */
#define UIP_NETMASK1    255 /**< The second octet of the netmask of
			       this uIP node, if UIP_FIXEDADDR is
			       1. \hideinitializer */
#define UIP_NETMASK2    255 /**< The third octet of the netmask of
			       this uIP node, if UIP_FIXEDADDR is
			       1. \hideinitializer */
#define UIP_NETMASK3    0   /**< The fourth octet of the netmask of
			       this uIP node, if UIP_FIXEDADDR is
			       1. \hideinitializer */

#define UIP_DRIPADDR0   192 /**< The first octet of the IP address of
			       the default router, if UIP_FIXEDADDR is
			       1. \hideinitializer */
#define UIP_DRIPADDR1   168 /**< The second octet of the IP address of
			       the default router, if UIP_FIXEDADDR is
			       1. \hideinitializer */
#define UIP_DRIPADDR2   0   /**< The third octet of the IP address of
			       the default router, if UIP_FIXEDADDR is
			       1. \hideinitializer */
#define UIP_DRIPADDR3   1   /**< The fourth octet of the IP address of
			       the default router, if UIP_FIXEDADDR is
			       1. \hideinitializer */

/**
 * Specifies if the uIP ARP module should be compiled with a fixed
 * Ethernet MAC address or not.
 *
 * If this configuration option is 0, the macro uip_setethaddr() can
 * be used to specify the Ethernet address at run-time.
 *
 * \hideinitializer
 */
#define UIP_FIXEDETHADDR 0

#define UIP_ETHADDR0    'O'  /**< The first octet of the Ethernet
				 address if UIP_FIXEDETHADDR is
				 1. \hideinitializer */
#define UIP_ETHADDR1    'F'  /**< The second octet of the Ethernet
				 address if UIP_FIXEDETHADDR is
				 1. \hideinitializer */
#define UIP_ETHADDR2    'F'  /**< The third octet of the Ethernet
				 address if UIP_FIXEDETHADDR is
				 1. \hideinitializer */
#define UIP_ETHADDR3    'I'  /**< The fourth octet of the Ethernet
				 address if UIP_FIXEDETHADDR is
				 1. \hideinitializer */
#define UIP_ETHADDR4    'C'  /**< The fifth octet of the Ethernet
				 address if UIP_FIXEDETHADDR is
				 1. \hideinitializer */
#define UIP_ETHADDR5    'E'  /**< The sixth octet of the Ethernet
				 address if UIP_FIXEDETHADDR is
				 1. \hideinitializer */

/** @} */
/*------------------------------------------------------------------------------*/
/**
 * \defgroup uipoptip IP configuration options
 * @{
 *
 */
/**
 * The IP TTL (time to live) of IP packets sent by uIP.
 *
 * This should normally not be changed.
 */
#define UIP_TTL         255

/**
 * Turn on support for IP packet reassembly.
 *
 * uIP supports reassembly of fragmented IP packets. This features
 * requires an additonal amount of RAM to hold the reassembly buffer
 * and the reassembly code size is approximately 700 bytes.  The
 * reassembly buffer is of the same size as the uip_buf buffer
 * (configured by UIP_BUFSIZE).
 *
 * \note IP packet reassembly is not heavily tested.
 *
 * \hideinitializer
 */
#define UIP_REASSEMBLY 0

/**
 * The maximum time an IP fragment should wait in the reassembly
 * buffer before it is dropped.
 *
 */
#define UIP_REASS_MAXAGE 40

/** @} */

/*------------------------------------------------------------------------------*/
/**
 * \defgroup uipoptudp UDP configuration options
 * @{
 *
 * \note The UDP support in uIP is still not entirely complete; there
 * is no support for sending or receiving broadcast or multicast
 * packets, but it works well enough to support a number of vital
 * applications such as DNS queries, though
 */

/**
 * Toggles wether UDP support should be compiled in or not.
 *
 * \hideinitializer
 */
#define UIP_UDP           0

/**
 * Toggles if UDP checksums should be used or not.
 *
 * \note Support for UDP checksums is currently not included in uIP,
 * so this option has no function.
 *
 * \hideinitializer
 */
#define UIP_UDP_CHECKSUMS 0

/**
 * The maximum amount of concurrent UDP connections.
 *
 * \hideinitializer
 */
#define UIP_UDP_CONNS    10

/**
 * The name of the function that should be called when UDP datagrams arrive.
 *
 * \hideinitializer
 */