lwipopts.h

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/*
 * Copyright (c) 2001, Swedish Institute of Computer Science.
 * 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. Neither the name of the Institute 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 INSTITUTE 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 INSTITUTE 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. 
 *
 * This file is part of the lwIP TCP/IP stack.
 * 
 * Author: Adam Dunkels <[e-mail]>
 *
 * $Id: lwipopts.h,v 1.1 2004/07/06 01:58:13 zhigang Exp $
 */
#ifndef __LWIPOPTS_H__
#define __LWIPOPTS_H__

#ifndef USERPRG

#include "cc.h"
/* ---------- Memory options ---------- */
/* MEM_ALIGNMENT: should be set to the alignment of the CPU for which
   lwIP is compiled. 4 byte alignment -> define MEM_ALIGNMENT to 4, 2
   byte alignment -> define MEM_ALIGNMENT to 2. */
//yangye 2003-1-27
#define MEM_ALIGNMENT           1

/* MEM_SIZE: the size of the heap memory. If the application will send
a lot of data that needs to be copied, this should be set high. */
#define MEM_SIZE                1000
/* MEMP_NUM_PBUF: the number of memp struct pbufs. If the application
   sends a lot of data out of ROM (or other static memory), this
   should be set high. */
#define MEMP_NUM_PBUF           10
/* MEMP_NUM_UDP_PCB: the number of UDP protocol control blocks. One
   per active UDP "connection". */
#define MEMP_NUM_UDP_PCB       0
/* MEMP_NUM_TCP_PCB: the number of simulatenously active TCP
   connections. */
#define MEMP_NUM_TCP_PCB        1
/* MEMP_NUM_TCP_PCB_LISTEN: the number of listening TCP
   connections. */
#define MEMP_NUM_TCP_PCB_LISTEN 1
/* MEMP_NUM_TCP_SEG: the number of simultaneously queued TCP
   segments. */
#define MEMP_NUM_TCP_SEG        10
/* MEMP_NUM_SYS_TIMEOUT: the number of simulateously active
   timeouts. */
#define MEMP_NUM_SYS_TIMEOUT  2


/* The following four are used only with the sequential API and can be
   set to 0 if the application only will use the raw API. */
/* MEMP_NUM_NETBUF: the number of struct netbufs. */
#define MEMP_NUM_NETBUF         0
/* MEMP_NUM_NETCONN: the number of struct netconns. */
#define MEMP_NUM_NETCONN        0
/* MEMP_NUM_APIMSG: the number of struct api_msg, used for
   communication between the TCP/IP stack and the sequential
   programs. */
#define MEMP_NUM_API_MSG        0
/* MEMP_NUM_TCPIPMSG: the number of struct tcpip_msg, which is used
   for sequential API communication and incoming packets. Used in
   src/api/tcpip.c. */
#define MEMP_NUM_TCPIP_MSG      0

/* These two control is reclaimer functions should be compiled
   in. Should always be turned on (1). */
#define MEM_RECLAIM             1
#define MEMP_RECLAIM            1

/* ---------- Pbuf options ---------- */
/* PBUF_POOL_SIZE: the number of buffers in the pbuf pool. */
//yangye 2003-1-22
//seems there is something wrong when PBUF_POOL_SIZE = 6 
#define PBUF_POOL_SIZE          1//16

/* PBUF_POOL_BUFSIZE: the size of each pbuf in the pbuf pool. */
#define PBUF_POOL_BUFSIZE       300
/* PBUF_LINK_HLEN: the number of bytes that should be allocated for a
   link level header. */
#define PBUF_LINK_HLEN          14


/* TCP sender buffer space (pbufs). This must be at least = 2 *
   TCP_SND_BUF/TCP_MSS for things to work. */
#define TCP_SND_QUEUELEN        (16 * TCP_SND_BUF/TCP_MSS)

/* TCP Maximum segment size. */
#define TCP_MSS                128

/* TCP receive window. */
#define TCP_WND                 128*3

/* Maximum number of retransmissions of data segments. */
#define TCP_MAXRTX              3

/* Maximum number of retransmissions of SYN segments. */
#define TCP_SYNMAXRTX           4
#define TCP_TIMER_MSECS  200


#endif  //end of #ifndef USERPRG

/* ---------- TCP options ---------- */
#define LWIP_TCP                1
#define TCP_TTL                 255

/* Controls if TCP should queue segments that arrive out of
   order. Define to 0 if your device is low on memory. */
#define TCP_QUEUE_OOSEQ        0


/* TCP sender buffer space (bytes). */
#define TCP_SND_BUF            128*2




/* ---------- ARP options ---------- */

#define LWIP_ARP  1
#define ETHARP_TMR_INTERVAL_SECS 100
#define ARP_TABLE_SIZE 3

#define ARP_QUEUEING                    1
#define ARP_QUEUE_FIRST                 1
#define ARP_QUEUEING_CHAIN				0



/* ---------- IP options ---------- */
/* Define IP_FORWARD to 1 if you wish to have the ability to forward
   IP packets across network interfaces. If you are going to run lwIP
   on a device with only one network interface, define this to 0. */
#define IP_FORWARD              0

/* If defined to 1, IP options are allowed (but not parsed). If
   defined to 0, all packets with IP options are dropped. */
#define IP_OPTIONS              0

/* ---------- ICMP options ---------- */
#define ICMP_TTL                255


/* ---------- DHCP options ---------- */
/* Define LWIP_DHCP to 1 if you want DHCP configuration of
   interfaces. DHCP is not implemented in lwIP 0.5.1, however, so
   turning this on does currently not work. */
#define LWIP_DHCP              0

/* 1 if you want to do an ARP check on the offered address
   (recommended). */
#define DHCP_DOES_ARP_CHECK     0

/* ---------- UDP options ---------- */
#define LWIP_UDP                0
#define UDP_TTL                 255

#define IP_FRAG   0

#define IP_REASSEMBLY  0

/* ---------- Statistics options ---------- */
//#define STATS
#define LWIP_STATS 1

#ifdef STATS 
#define ICMP_STATS  
#define TCP_STATS   
#define MEM_STATS   
#define MEMP_STATS  
#define PBUF_STATS  
#endif /* STATS */

#define BYTE_ORDER LITTLE_ENDIAN
#define LWIP_PROVIDE_ERRNO

#define NO_SYS 1
#define SECOND 8
#define MINUTE (60 * SECOND)


#define TCP_TIMEOUT         1
#define ETHARP_TIMEOUT      2
#define DHCP_FINE_TIMEOUT   4
#define DHCP_COARSE_TIMEOUT 8

//#define LWIP_DEBUG 	                    

#ifdef  LWIP_DEBUG
#define DBG_TYPES_ON                   		0xFF
#define DBG_MIN_LEVEL                   	DBG_LEVEL_OFF
#endif
#define BUDYSYS  0
/*********************************************************************/
/*to make configurable library										 */
/*********************************************************************/

#ifndef USERPRG

#define EXTVAR_ARRAY(x,y)  x [y]
#define EXTVAR(x,y)  extern x
#define EXTVAR_RAM(x,y) extern x  

#define CONFIGURABLE

#ifdef CONFIGURABLE

#undef  EXTVAR_ARRAY(x,y)
#define EXTVAR_ARRAY(x,y)  extern x []

#ifdef 	MEM_SIZE
#undef 	MEM_SIZE
#define MEM_SIZE mem_size
#endif

#ifdef 	PBUF_POOL_SIZE
#undef 	PBUF_POOL_SIZE 
#define PBUF_POOL_SIZE   pool_num
#endif

#ifdef 	PBUF_POOL_BUFSIZE
#undef 	PBUF_POOL_BUFSIZE 
#define PBUF_POOL_BUFSIZE pool_size
#endif

#ifdef 	ARP_TABLE_SIZE
#undef 	ARP_TABLE_SIZE 
#define ARP_TABLE_SIZE arp_num
#endif

#ifdef 	DNS_TABLE_SIZE
#undef 	DNS_TABLE_SIZE 
#define DNS_TABLE_SIZE dns_num
#endif

#ifdef 	TCP_MSS
#undef 	TCP_MSS 
#define TCP_MSS tcp_mss
#endif

#ifdef 	TCP_WND
#undef 	TCP_WND 
#define TCP_WND tcp_window
#endif

#ifdef 	TCP_MAXRTX
#undef 	TCP_MAXRTX 
#define TCP_MAXRTX tcp_maxrtx
#endif

#ifdef 	TCP_SYNMAXRTX
#undef 	TCP_SYNMAXRTX 
#define TCP_SYNMAXRTX tcp_synmaxrtx
#endif
#endif  // end of ifdef CONFIGURABLE

#else //else of #ifndef USERPRG
#define CONFIGURABLE
#ifdef  MAIN
#define EXTVAR_ARRAY(x,y)  x [y]
#define EXTVAR(x,y)   const x = y
#define EXTVAR_RAM(x,y) x = y
#else 
#define EXTVAR_ARRAY(x,y) extern x[]
#define EXTVAR(x,y)  extern x
#define EXTVAR_RAM(x,y) extern x
#endif

#include "cc.h"
#include "lwip\def.h"
#include "lwip\mem.h"
#include "lwip\pbuf.h"
#include "lwip\ip_addr.h"
#include "lwip\netif.h"
#include "lwip\tcp.h"
#include "lwip\udp.h"


#include "lwip\sys.h"
#include "lwip\memp.h"
#include "lwip\stats.h"
#include "lwip\debug.h"
#include "lwip\err.h"
#include "netif\etharp.h"
#include "lwip\icmp.h"
#include "lwip\inet.h"
#include "lwip\ip.h"
#include "lwip\ip_addr.h"
#include "ethernet.h"
#include "lib.h"
#include "console.h"

#endif //of #ifndef USERPRG


#endif /* __LWIPOPTS_H__ */