#ifndef __LWIPOPTS_H__
#define __LWIPOPTS_H__

/* Include user defined options first */
#include "conf_eth.h"

#define LWIP_PROVIDE_ERRNO 1

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


/*
 * 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

//#define ETH_PAD_SIZE 2

/* ---------- 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                10 * 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

  /* ---------- 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


/* 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 4
/* 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


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

#define LWIP_ARP 1

/* 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


#define TCPIP_THREAD_STACKSIZE 4096
/* ---------- Statistics options ---------- */
#define LWIP_STATS 0

#define LWIP_STATS_DISPLAY 0

#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__ */
