# opt.h

    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