00001 /* 00002 * Copyright (c) 2001, Swedish Institute of Computer Science. 00003 * All rights reserved. 00004 * 00005 * Redistribution and use in source and binary forms, with or without 00006 * modification, are permitted provided that the following conditions 00007 * are met: 00008 * 1. Redistributions of source code must retain the above copyright 00009 * notice, this list of conditions and the following disclaimer. 00010 * 2. Redistributions in binary form must reproduce the above copyright 00011 * notice, this list of conditions and the following disclaimer in the 00012 * documentation and/or other materials provided with the distribution. 00013 * 3. Neither the name of the Institute nor the names of its contributors 00014 * may be used to endorse or promote products derived from this software 00015 * without specific prior written permission. 00016 * 00017 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 00018 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00019 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00020 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 00021 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 00022 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 00023 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 00024 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 00025 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 00026 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00027 * SUCH DAMAGE. 00028 * 00029 * This file is part of the lwIP TCP/IP stack. 00030 * 00031 * Author: Adam Dunkels <adam@sics.se> 00032 * 00033 * $Id$ 00034 */ 00035 #ifndef __LWIP_OPT_H__ 00036 #define __LWIP_OPT_H__ 00037 00038 #include "net/lwipopts.h" 00039 00040 /* Define some handy default values for configuration parameters. */ 00041 00042 #ifndef ICMP_TTL 00043 #define ICMP_TTL 255 00044 #endif 00045 00046 #ifndef UDP_TTL 00047 #define UDP_TTL 255 00048 #endif 00049 00050 #ifndef TCP_TTL 00051 #define TCP_TTL 255 00052 #endif 00053 00054 #ifndef TCP_MSS 00055 #define TCP_MSS 128 /* A *very* conservative default. */ 00056 #endif 00057 00058 #ifndef TCP_WND 00059 #define TCP_WND 2048 00060 #endif 00061 00062 #ifndef TCP_MAXRTX 00063 #define TCP_MAXRTX 12 00064 #endif 00065 00066 #ifndef TCP_SYNMAXRTX 00067 #define TCP_SYNMAXRTX 6 00068 #endif 00069 00070 #ifndef MEM_ALIGNMENT 00071 #define MEM_ALIGNMENT 1 00072 #endif 00073 00074 #ifndef PBUF_POOL_SIZE 00075 #define PBUF_POOL_SIZE 16 00076 #endif 00077 00078 #ifndef PBUF_POOL_BUFSIZE 00079 #define PBUF_POOL_BUFSIZE 128 00080 #endif 00081 00082 #ifndef PBUF_LINK_HLEN 00083 #define PBUF_LINK_HLEN 0 00084 #endif 00085 00086 #ifndef LWIP_UDP 00087 #define LWIP_UDP 1 00088 #endif 00089 00090 #ifndef LWIP_TCP 00091 #define LWIP_TCP 1 00092 #endif 00093 00094 #endif /* __LWIP_OPT_H__ */ 00095 00096 00097
1.3.3