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<h1>opt.h</h1><div class="fragment"><pre>00001 <span class="comment">/*</span>
00002 <span class="comment"> * Copyright (c) 2001, Swedish Institute of Computer Science.</span>
00003 <span class="comment"> * All rights reserved. </span>
00004 <span class="comment"> *</span>
00005 <span class="comment"> * Redistribution and use in source and binary forms, with or without </span>
00006 <span class="comment"> * modification, are permitted provided that the following conditions </span>
00007 <span class="comment"> * are met: </span>
00008 <span class="comment"> * 1. Redistributions of source code must retain the above copyright </span>
00009 <span class="comment"> * notice, this list of conditions and the following disclaimer. </span>
00010 <span class="comment"> * 2. Redistributions in binary form must reproduce the above copyright </span>
00011 <span class="comment"> * notice, this list of conditions and the following disclaimer in the </span>
00012 <span class="comment"> * documentation and/or other materials provided with the distribution. </span>
00013 <span class="comment"> * 3. Neither the name of the Institute nor the names of its contributors </span>
00014 <span class="comment"> * may be used to endorse or promote products derived from this software </span>
00015 <span class="comment"> * without specific prior written permission. </span>
00016 <span class="comment"> *</span>
00017 <span class="comment"> * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND </span>
00018 <span class="comment"> * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE </span>
00019 <span class="comment"> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE </span>
00020 <span class="comment"> * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE </span>
00021 <span class="comment"> * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL </span>
00022 <span class="comment"> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS </span>
00023 <span class="comment"> * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) </span>
00024 <span class="comment"> * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT </span>
00025 <span class="comment"> * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY </span>
00026 <span class="comment"> * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF </span>
00027 <span class="comment"> * SUCH DAMAGE. </span>
00028 <span class="comment"> *</span>
00029 <span class="comment"> * This file is part of the lwIP TCP/IP stack.</span>
00030 <span class="comment"> * </span>
00031 <span class="comment"> * Author: Adam Dunkels <adam@sics.se></span>
00032 <span class="comment"> *</span>
00033 <span class="comment"> * $Id$</span>
00034 <span class="comment"> */</span>
00035 <span class="preprocessor">#ifndef __LWIP_OPT_H__</span>
00036 <span class="preprocessor"></span><span class="preprocessor">#define __LWIP_OPT_H__</span>
00037 <span class="preprocessor"></span>
00038 <span class="preprocessor">#include "net/lwipopts.h"</span>
00039
00040 <span class="comment">/* Define some handy default values for configuration parameters. */</span>
00041
00042 <span class="preprocessor">#ifndef ICMP_TTL</span>
00043 <span class="preprocessor"></span><span class="preprocessor">#define ICMP_TTL 255</span>
00044 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
00045 <span class="preprocessor"></span>
00046 <span class="preprocessor">#ifndef UDP_TTL</span>
00047 <span class="preprocessor"></span><span class="preprocessor">#define UDP_TTL 255</span>
00048 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
00049 <span class="preprocessor"></span>
00050 <span class="preprocessor">#ifndef TCP_TTL</span>
00051 <span class="preprocessor"></span><span class="preprocessor">#define TCP_TTL 255</span>
00052 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
00053 <span class="preprocessor"></span>
00054 <span class="preprocessor">#ifndef TCP_MSS</span>
00055 <span class="preprocessor"></span><span class="preprocessor">#define TCP_MSS 128 </span><span class="comment">/* A *very* conservative default. */</span>
00056 <span class="preprocessor">#endif</span>
00057 <span class="preprocessor"></span>
00058 <span class="preprocessor">#ifndef TCP_WND</span>
00059 <span class="preprocessor"></span><span class="preprocessor">#define TCP_WND 2048</span>
00060 <span class="preprocessor"></span><span class="preprocessor">#endif </span>
00061 <span class="preprocessor"></span>
00062 <span class="preprocessor">#ifndef TCP_MAXRTX</span>
00063 <span class="preprocessor"></span><span class="preprocessor">#define TCP_MAXRTX 12</span>
00064 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
00065 <span class="preprocessor"></span>
00066 <span class="preprocessor">#ifndef TCP_SYNMAXRTX</span>
00067 <span class="preprocessor"></span><span class="preprocessor">#define TCP_SYNMAXRTX 6</span>
00068 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
00069 <span class="preprocessor"></span>
00070 <span class="preprocessor">#ifndef MEM_ALIGNMENT</span>
00071 <span class="preprocessor"></span><span class="preprocessor">#define MEM_ALIGNMENT 1</span>
00072 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
00073 <span class="preprocessor"></span>
00074 <span class="preprocessor">#ifndef PBUF_POOL_SIZE</span>
00075 <span class="preprocessor"></span><span class="preprocessor">#define PBUF_POOL_SIZE 16</span>
00076 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
00077 <span class="preprocessor"></span>
00078 <span class="preprocessor">#ifndef PBUF_POOL_BUFSIZE</span>
00079 <span class="preprocessor"></span><span class="preprocessor">#define PBUF_POOL_BUFSIZE 128</span>
00080 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
00081 <span class="preprocessor"></span>
00082 <span class="preprocessor">#ifndef PBUF_LINK_HLEN</span>
00083 <span class="preprocessor"></span><span class="preprocessor">#define PBUF_LINK_HLEN 0</span>
00084 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
00085 <span class="preprocessor"></span>
00086 <span class="preprocessor">#ifndef LWIP_UDP</span>
00087 <span class="preprocessor"></span><span class="preprocessor">#define LWIP_UDP 1</span>
00088 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
00089 <span class="preprocessor"></span>
00090 <span class="preprocessor">#ifndef LWIP_TCP</span>
00091 <span class="preprocessor"></span><span class="preprocessor">#define LWIP_TCP 1</span>
00092 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
00093 <span class="preprocessor"></span>
00094 <span class="preprocessor">#endif </span><span class="comment">/* __LWIP_OPT_H__ */</span>
00095
00096
00097
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