/*
 * Copyright (c) 2001, 2002 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. 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 lwIP TCP/IP stack.
 * 
 * Author: Adam Dunkels <address@hidden>
 *
 */

#ifndef __LWIPOPTS_H__
#define __LWIPOPTS_H__

#if 0
#define LWIP_DEBUG
#define DBG_MIN_LEVEL	0
#define DBG_TYPES_ON	(DBG_ON | DBG_TRACE | DBG_STATE | DBG_FRESH | DBG_HALT)
#define TCP_DEBUG	DBG_ON
#define TCP_OUTPUT_DEBUG	DBG_ON
#define TCP_QLEN_DEBUG	DBG_ON
#if 0
#define TCP_INPUT_DEBUG	DBG_ON
#define TCP_RTO_DEBUG	DBG_ON
#define TCP_FR_DEBUG	DBG_ON
#define RAW_DEBUG	DBG_ON
#define PBUF_DEBUG	DBG_ON
#define MEM_DEBUG	DBG_ON
#define MEMP_DEBUG	DBG_ON
#endif
#endif

#define NO_SYS			1
#define LWIP_CALLBACK_API	1
#define LWIP_DHCP		1

/* #define TCP_TMR_INTERVAL	250 */
#define TCP_TMR_INTERVAL	10

/* ---------- 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. */
/* tried 4 byte alignment, but that seems to cause problems with pbuf
 * routines */
#define MEM_ALIGNMENT           4

/* 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                100 * 1024

/* 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

#define PBUF_POLL_SIZE		30
#define PBUF_POOL_BUFSIZE	1536
#define PBUF_LINK_HLEN		16

#define TCP_MSS			1476

/* TCP_SND_BUF should be less than or equal to MEMP_NUM_TCP_SEG *
 * TCP_MSS otherwise the system will not be able to allocate enough
 * tcp_segs to transmit all the data and will return ERR_MEM when
 * attempting to transmit large amounts of data.  You want to guarantee
 * that there are more tcp_segs than there is memory.  Each segment
 * is equal to TCP_MSS.
 */
#define TCP_SND_BUF		(MEMP_NUM_TCP_SEG * TCP_MSS - 1024)

#define TCP_WND			(16 * 1024)

#endif /* __LWIPOPTS_H__ */