#ifndef __LWIPOPTS_H__
#define __LWIPOPTS_H__

#define NO_SYS                     0
#define LWIP_SOCKET                0 //(NO_SYS==0)
#define LWIP_NETCONN              (NO_SYS==0)

#define LWIP_IGMP                  1
#define LWIP_ICMP                  1
#define LWIP_SNMP                  0 //1

#define LWIP_DNS                   1

#define LWIP_HAVE_LOOPIF           1

#define TCP_LISTEN_BACKLOG         0

#define LWIP_PROVIDE_ERRNO         1 //lepton
#define LWIP_COMPAT_SOCKETS        1
#define LWIP_SO_RCVTIMEO           1
#define LWIP_SO_RCVBUF             1

#define LWIP_TCPIP_CORE_LOCKING    1

#define LWIP_NETIF_LINK_CALLBACK   0
#define LWIP_NETIF_STATUS_CALLBACK 0

#define MEMP_SANITY_CHECK       1
//#define MEMP_OVERFLOW_CHECK     2
#define MEM_LIBC_MALLOC 1 //lepton modifs use libc malloc instead   // default 0

#include "kernel/core/types.h"
#include "kernel/core/malloc.h"

//#define mem_free(__x__) _sys_free(__x__)
#define mem_free   _sys_free
#define mem_malloc(__x__) _sys_malloc((int)(__x__))
#define mem_calloc(__x__,__y__) _sys_calloc((int)(__x__),(int)(__y__))
#define mem_realloc(__x__,__size__) _sys_realloc(__x__,(int)(__size__))


//#define LWIP_DEBUG
#ifdef LWIP_DEBUG
   #define LWIP_DBG_MIN_LEVEL         0
   #define PPP_DEBUG                  LWIP_DBG_OFF
   #define MEM_DEBUG                  LWIP_DBG_OFF
   #define MEMP_DEBUG                 LWIP_DBG_OFF
   #define PBUF_DEBUG                 LWIP_DBG_OFF
   #define API_LIB_DEBUG              LWIP_DBG_ON
   #define API_MSG_DEBUG              LWIP_DBG_ON
   #define TCPIP_DEBUG                LWIP_DBG_ON
   #define NETIF_DEBUG                LWIP_DBG_OFF
   #define SOCKETS_DEBUG              LWIP_DBG_ON
   #define DNS_DEBUG                  LWIP_DBG_OFF
   #define AUTOIP_DEBUG               LWIP_DBG_OFF
   #define DHCP_DEBUG                 LWIP_DBG_OFF
   #define IP_DEBUG                   LWIP_DBG_OFF
   #define IP_REASS_DEBUG             LWIP_DBG_OFF
   #define ICMP_DEBUG                 LWIP_DBG_OFF
   #define IGMP_DEBUG                 LWIP_DBG_OFF
   #define UDP_DEBUG                  LWIP_DBG_OFF
   #define TCP_DEBUG                  LWIP_DBG_ON
   #define TCP_INPUT_DEBUG            LWIP_DBG_OFF
   #define TCP_OUTPUT_DEBUG           LWIP_DBG_OFF
   #define TCP_RTO_DEBUG              LWIP_DBG_OFF
   #define TCP_CWND_DEBUG             LWIP_DBG_OFF
   #define TCP_WND_DEBUG              LWIP_DBG_OFF
   #define TCP_FR_DEBUG               LWIP_DBG_OFF
   #define TCP_QLEN_DEBUG             LWIP_DBG_OFF
   #define TCP_RST_DEBUG              LWIP_DBG_OFF
#endif

#define LWIP_DBG_TYPES_ON         (LWIP_DBG_ON|LWIP_DBG_TRACE|LWIP_DBG_STATE|LWIP_DBG_FRESH| \
                                   LWIP_DBG_HALT)


/* ---------- 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. */
/* MSVC port: intel processors don't need 4-byte alignment,
   but are faster that way! */
#define MEM_ALIGNMENT           1 //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               128*1024 //lepton modif /*10240*/

/* 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           64 //64 lepton modifs) //default 16
/* MEMP_NUM_RAW_PCB: the number of UDP protocol control blocks. One
   per active RAW "connection". */
#define MEMP_NUM_RAW_PCB        3
/* MEMP_NUM_UDP_PCB: the number of UDP protocol control blocks. One
   per active UDP "connection". */
#define MEMP_NUM_UDP_PCB        4
/* MEMP_NUM_TCP_PCB: the number of simulatenously active TCP
   connections. */
#define MEMP_NUM_TCP_PCB        10 //5
/* MEMP_NUM_TCP_PCB_LISTEN: the number of listening TCP
   connections. */
#define MEMP_NUM_TCP_PCB_LISTEN 8
/* MEMP_NUM_TCP_SEG: the number of simultaneously queued TCP
   segments. */
#define MEMP_NUM_TCP_SEG        16
/* MEMP_NUM_SYS_TIMEOUT: the number of simulateously active
   timeouts. */
#define MEMP_NUM_SYS_TIMEOUT    15

/* 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         256  //64 lepton modifs) //default 2
/* MEMP_NUM_NETCONN: the number of struct netconns. */
#define MEMP_NUM_NETCONN        15 //10
/* MEMP_NUM_TCPIP_MSG_*: 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_API   16 //128 lepton modifs) //default 16
#define MEMP_NUM_TCPIP_MSG_INPKT 16 //128 lepton modifs) //default 16


/* ---------- Pbuf options ---------- */
/* PBUF_POOL_SIZE: the number of buffers in the pbuf pool. */
#define PBUF_POOL_SIZE          100 //512 lepton modifs) //default 100

/* PBUF_POOL_BUFSIZE: the size of each pbuf in the pbuf pool. */
#define PBUF_POOL_BUFSIZE       128

/* PBUF_LINK_HLEN: the number of bytes that should be allocated for a
   link level header. */
#define PBUF_LINK_HLEN          16

/** SYS_LIGHTWEIGHT_PROT
 * define 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    (NO_SYS==0)


/* ---------- 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                 1024

/* TCP sender buffer space (bytes). */
#define TCP_SND_BUF             2048

/* TCP sender buffer space (pbufs). This must be at least = 2 *
   TCP_SND_BUF/TCP_MSS for things to work. */
#define TCP_SND_QUEUELEN       (4 * TCP_SND_BUF/TCP_MSS)

/* TCP writable space (bytes). This must be less than or equal
   to TCP_SND_BUF. It is the amount of space which must be
   available in the tcp snd_buf for select to return writable */
#define TCP_SNDLOWAT           (TCP_SND_BUF/2)

/* TCP receive window. */
#define TCP_WND                 8096

/* 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 LWIP_ARP                1
#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              1

/* IP reassembly and segmentation.These are orthogonal even
 * if they both deal with IP fragments */
#define IP_REASSEMBLY           1
#define IP_REASS_MAX_PBUFS      10
#define MEMP_NUM_REASSDATA      10
#define IP_FRAG                 1


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


/* ---------- DHCP options ---------- */
/* Define LWIP_DHCP to 1 if you want DHCP configuration of
   interfaces. */
#define LWIP_DHCP               0

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


/* ---------- AUTOIP options ------- */
#define LWIP_AUTOIP             0
#define LWIP_DHCP_AUTOIP_COOP  (LWIP_DHCP && LWIP_AUTOIP)


/* ---------- UDP options ---------- */
#define LWIP_UDP                1
#define LWIP_UDPLITE            1
#define UDP_TTL                 255


/* ---------- 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 IGMP_STATS              1
   #define IPFRAG_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 /* LWIP_STATS */


/* ---------- PPP options ---------- */

#define PPP_SUPPORT             0      /* Set > 0 for PPP */

#if PPP_SUPPORT

   #define NUM_PPP                 1   /* Max PPP sessions. */


/* Select modules to enable.  Ideally these would be set in the makefile but
 * we're limited by the command line length so you need to modify the settings
 * in this file.
 */
   #define PPPOE_SUPPORT           1
   #define PPPOS_SUPPORT           1

   #define PAP_SUPPORT             1   /* Set > 0 for PAP. */
   #define CHAP_SUPPORT            1   /* Set > 0 for CHAP. */
   #define MSCHAP_SUPPORT          0   /* Set > 0 for MSCHAP (NOT FUNCTIONAL!) */
   #define CBCP_SUPPORT            0   /* Set > 0 for CBCP (NOT FUNCTIONAL!) */
   #define CCP_SUPPORT             0   /* Set > 0 for CCP (NOT FUNCTIONAL!) */
   #define VJ_SUPPORT              1   /* Set > 0 for VJ header compression. */
   #define MD5_SUPPORT             1   /* Set > 0 for MD5 (see also CHAP) */

#endif /* PPP_SUPPORT */

#endif /* __LWIPOPTS_H__ */
