text: /*
   * Copyright (c) 2001-2003 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 <adam@sics.se>
   *
   */
  #ifndef __LWIPOPTS_H__
  #define __LWIPOPTS_H__
  
  /* Scheduler includes. */
  #include "BRTOS.h"
  
  
  #define SYS_LIGHTWEIGHT_PROT            1
  
  #define TCPIP_THREAD_PRIO	        	8	//3: same level as ENET interrupt
  #define ETH_THREAD_PRIO	        		9	//3: same level as ENET interrupt
  
  #define TCPIP_TASK_STACK_SIZE			1536
  
  #define ETH_PAD_SIZE 2
  
  /* ---------- 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. */
  #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                8000/*12*1024*/
  
  #define MEMP_OVERFLOW_CHECK     0/*FSL: need to check overflow cause*/
  
  /* 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           30
  /* MEMP_NUM_UDP_PCB: the number of UDP protocol control blocks. One
     per active UDP "connection". */
  #define MEMP_NUM_UDP_PCB        8
  /* MEMP_NUM_TCP_PCB: the number of simulatenously active TCP
     connections. */
  #define MEMP_NUM_TCP_PCB        16
  /* MEMP_NUM_TCP_PCB_LISTEN: the number of listening TCP
     connections. */
  #define MEMP_NUM_TCP_PCB_LISTEN 16
  /* MEMP_NUM_TCP_SEG: the number of simultaneously queued TCP
     segments. */
  #define MEMP_NUM_TCP_SEG        16
  
  /**
   * MEMP_NUM_TCPIP_MSG_API: the number of struct tcpip_msg, which are used
   * for callback/timeout API communication. 
   * (only needed if you use tcpip.c)
   */
  #define MEMP_NUM_TCPIP_MSG_API          16
  
  /**
   * MEMP_NUM_TCPIP_MSG_INPKT: the number of struct tcpip_msg, which are used
   * for incoming packets. 
   * (only needed if you use tcpip.c)
   */
  #define MEMP_NUM_TCPIP_MSG_INPKT        16
  
  /* MEMP_NUM_SYS_TIMEOUT: the number of simulateously active
     timeouts. */
  #define MEMP_NUM_SYS_TIMEOUT    6
  
  #define TCPIP_THREAD_STACKSIZE	1536
  
  /* 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         4
  /* MEMP_NUM_NETCONN: the number of struct netconns. */
  #define MEMP_NUM_NETCONN        4
  #if 0/*FSL: deprecated*/
  /* 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        8
  #endif
  #if 0/*FSL: deprecated*/
  /* 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      8
  #endif
  
  /* 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. */
  #define PBUF_POOL_SIZE          15//20//FSL:8
  
  /* PBUF_POOL_BUFSIZE: the size of each pbuf in the pbuf pool. */
  #define PBUF_POOL_BUFSIZE       1500
  
  /* PBUF_LINK_HLEN: the number of bytes that should be allocated for a
     link level header. */
  #define PBUF_LINK_HLEN          16
  
  /*FSL: new flag*/
  /**
   * DEFAULT_RAW_RECVMBOX_SIZE: The mailbox size for the incoming packets on a
   * NETCONN_RAW. The queue size value itself is platform-dependent, but is passed
   * to sys_mbox_new() when the recvmbox is created.
   */
  #define DEFAULT_RAW_RECVMBOX_SIZE       12
  
  /*FSL: new flag*/
  /**
   * DEFAULT_UDP_RECVMBOX_SIZE: The mailbox size for the incoming packets on a
   * NETCONN_UDP. The queue size value itself is platform-dependent, but is passed
   * to sys_mbox_new() when the recvmbox is created.
   */
  #define DEFAULT_UDP_RECVMBOX_SIZE       12
  
  /*FSL: new flag*/
  /**
   * DEFAULT_TCP_RECVMBOX_SIZE: The mailbox size for the incoming packets on a
   * NETCONN_TCP. The queue size value itself is platform-dependent, but is passed
   * to sys_mbox_new() when the recvmbox is created.
   */
  #define DEFAULT_TCP_RECVMBOX_SIZE       12
  
  /*FSL: new flag*/
  /**
   * DEFAULT_ACCEPTMBOX_SIZE: The mailbox size for the incoming connections.
   * The queue size value itself is platform-dependent, but is passed to
   * sys_mbox_new() when the acceptmbox is created.
   */
  #define DEFAULT_ACCEPTMBOX_SIZE         12
  
  
  /*FSL: new flag*/
  #define TCPIP_MBOX_SIZE                 32
  
  #define TCPIP_THREAD_NAME              "LwIP TCP/IP task"
  
  /* ---------- 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         1
  
  /* TCP Maximum segment size. */
  #define TCP_MSS                 1500
  
  /* TCP sender buffer space (bytes). */
  #define TCP_SND_BUF             1500
  
  /* 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
  
  /* TCP receive window. */
  #define TCP_WND                 1500
  
  /* 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 1
  
  /* ---------- 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_ALLOWED      0
  
  /** IP reassembly and segmentation. Even if they both deal with IP
   *  fragments, note that these are orthogonal, one dealing with incoming
   *  packets, the other with outgoing packets
   */
  
  /** Reassemble incoming fragmented IP packets */
  #define IP_REASSEMBLY                   0//FSL:0
  
  /** Fragment outgoing IP packets if their size exceeds MTU */
  #define IP_FRAG                         1
  
  /* IP reassemly default age in seconds */
  #define IP_REASS_MAXAGE 		20//FSL:30
  
  
  /* ---------- 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//FSL:1
  
  /* ---------- UDP options ---------- */
  #define LWIP_UDP                1
  #define UDP_TTL                 255
  
  
  /* ---------- Statistics options ---------- */
  //#define STATS
  
  #ifdef 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__ */
  