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/*! \file *********************************************************************

 *

 * \brief lwIP configuration for AVR32 UC3.

 *

 * - Compiler:           GNU GCC for AVR32

 * - Supported devices:  All AVR32 devices can be used.

 * - AppNote:

 *

 * \author               Atmel Corporation: http://www.atmel.com \n

 *                       Support and FAQ: http://support.atmel.no/

 *

 *****************************************************************************/

/* Copyright (c) 2007, Atmel Corporation 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 ATMEL may not be used to endorse or promote products derived

 * from this software without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY ATMEL ``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 EXPRESSLY AND

 * SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL 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.

 */

#ifndef __LWIPOPTS_H__

#define __LWIPOPTS_H__

/* Include user defined options first */

#include "conf_eth.h"

// #include "lwip/debug.h"

/* Define default values for unconfigured parameters. */

#define LWIP_NOASSERT 1 // To suppress some errors for now (no debug output)

/* These two control is reclaimer functions should be compiled

   in. Should always be turned on (1). */

#define MEM_RECLAIM             1

#define MEMP_RECLAIM            1

/* Platform specific locking */

/*

 * enable SYS_LIGHTWEIGHT_PROT in lwipopts.h if you want inter-task protection

 * for certain critical regions during buffer allocation, deallocation and memory

 * allocation and deallocation.

 */

#define SYS_LIGHTWEIGHT_PROT            1

/* ---------- Memory options ---------- */

// #define MEM_LIBC_MALLOC                 0

/* 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. */

#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                3 * 1024

// #define MEMP_SANITY_CHECK       1

/* 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           6

/* Number of raw connection PCBs */

#define MEMP_NUM_RAW_PCB                1

#if (TFTP_USED == 1)

  /* ---------- UDP options ---------- */

  #define LWIP_UDP                1

  #define UDP_TTL                 255

  /* MEMP_NUM_UDP_PCB: the number of UDP protocol control blocks. One

     per active UDP "connection". */

  #define MEMP_NUM_UDP_PCB        1

#else

  /* ---------- UDP options ---------- */

  #define LWIP_UDP                0

  #define UDP_TTL                 0

  /* MEMP_NUM_UDP_PCB: the number of UDP protocol control blocks. One

     per active UDP "connection". */

  #define MEMP_NUM_UDP_PCB        0

#endif

/* MEMP_NUM_TCP_PCB: the number of simulatenously active TCP

   connections. */

#define MEMP_NUM_TCP_PCB        14

/* MEMP_NUM_TCP_PCB_LISTEN: the number of listening TCP

   connections. */

#define MEMP_NUM_TCP_PCB_LISTEN 2

/* MEMP_NUM_TCP_SEG: the number of simultaneously queued TCP

   segments. */

#define MEMP_NUM_TCP_SEG        6

/* MEMP_NUM_SYS_TIMEOUT: the number of simulateously active

   timeouts. */

#define MEMP_NUM_SYS_TIMEOUT    6

/* 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         3

/* MEMP_NUM_NETCONN: the number of struct netconns. */

#define MEMP_NUM_NETCONN        6

/* 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        4

/* 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      4

/* ---------- Pbuf options ---------- */

/* PBUF_POOL_SIZE: the number of buffers in the pbuf pool. */

#define PBUF_POOL_SIZE          6

/* PBUF_POOL_BUFSIZE: the size of each pbuf in the pbuf pool. */

#define PBUF_POOL_BUFSIZE       500

/* PBUF_LINK_HLEN: the number of bytes that should be allocated for a

   link level header. */

#define PBUF_LINK_HLEN          16

/* ---------- TCP options ---------- */

#define LWIP_TCP                1

#define TCP_TTL                 255

/* TCP receive window. */

#define TCP_WND                 1500

/* 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         1

/* TCP Maximum segment size. */

#define TCP_MSS                 1500

/* TCP sender buffer space (bytes). */

#define TCP_SND_BUF             2150

/* TCP sender buffer space (pbufs). This must be at least = 2 *

   TCP_SND_BUF/TCP_MSS for things to work. */

#define TCP_SND_QUEUELEN        6 * TCP_SND_BUF/TCP_MSS

/* Maximum number of retransmissions of data segments. */

#define TCP_MAXRTX              12

/* Maximum number of retransmissions of SYN segments. */

#define TCP_SYNMAXRTX           4

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

#define ARP_TABLE_SIZE 10

#define ARP_QUEUEING 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              1

/* ---------- 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     1

#define TCPIP_THREAD_PRIO               lwipINTERFACE_TASK_PRIORITY

/* ---------- Statistics options ---------- */

#define LWIP_STATS 1

#define LWIP_STATS_DISPLAY 1

#if LWIP_STATS

#define LINK_STATS 1

#define IP_STATS   1

#define ICMP_STATS 1

#define UDP_STATS  1

#define TCP_STATS  1

#define MEM_STATS  1

#define MEMP_STATS 1

#define PBUF_STATS 1

#define SYS_STATS  1

#endif /* STATS */

#endif /* __LWIPOPTS_H__ */