/*
 * 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: Simon Goldschmidt
 *
 */
#ifndef __LWIPOPTS_H__
#define __LWIPOPTS_H__

#define LWIP_ESP                            1
#define ESP_RTOS                            1
#define PBUF_RSV_FOR_WLAN                   1
#define EBUF_LWIP                           1
#define ESP_TIMEWAIT_THRESHOLD              10000
#define LWIP_TIMEVAL_PRIVATE                0

/*
   -----------------------------------------------
   ---------- Platform specific locking ----------
   -----------------------------------------------
*/
/**
 * SYS_LIGHTWEIGHT_PROT==1: if you want inter-task protection for certain
 * critical regions during buffer allocation, deallocation and memory
 * allocation and deallocation.
 */
#define SYS_LIGHTWEIGHT_PROT        1

/**
 * MEMCPY: override this if you have a faster implementation at hand than the
 * one included in your C library
 */
#define MEMCPY(dst,src,len)             memcpy(dst,src,len)

/**
 * SMEMCPY: override this with care! Some compilers (e.g. gcc) can inline a
 * call to memcpy() if the length is known at compile time and is small.
 */
#define SMEMCPY(dst,src,len)            memcpy(dst,src,len)

/*
   ------------------------------------
   ---------- Memory options ----------
   ------------------------------------
*/
/**
 * MEM_LIBC_MALLOC==1: Use malloc/free/realloc provided by your C-library
 * instead of the lwip internal allocator. Can save code size if you
 * already use it.
 */
#define MEM_LIBC_MALLOC        1

/**
* MEMP_MEM_MALLOC==1: Use mem_malloc/mem_free instead of the lwip pool allocator.
* Especially useful with MEM_LIBC_MALLOC but handle with care regarding execution
* speed and usage from interrupts!
*/
#define MEMP_MEM_MALLOC                 1

/**
 * MEM_ALIGNMENT: should be set to the alignment of the CPU
 *    4 byte alignment -> #define MEM_ALIGNMENT 4
 *    2 byte alignment -> #define MEM_ALIGNMENT 2
 */
#define MEM_ALIGNMENT           4

/*
   ------------------------------------------------
   ---------- Internal Memory Pool Sizes ----------
   ------------------------------------------------
*/

/*
   --------------------------------
   ---------- ARP options -------
   --------------------------------
*/
/**
 * ARP_QUEUEING==1: Multiple outgoing packets are queued during hardware address
 * resolution. By default, only the most recent packet is queued per IP address.
 * This is sufficient for most protocols and mainly reduces TCP connection
 * startup time. Set this to 1 if you know your application sends more than one
 * packet in a row to an IP address that is not in the ARP cache.
 */
#define ARP_QUEUEING                    1

/*
   --------------------------------
   ---------- IP options ----------
   --------------------------------
*/
/**
 * IP_REASSEMBLY==1: Reassemble incoming fragmented IP packets. Note that
 * this option does not affect outgoing packet sizes, which can be controlled
 * via IP_FRAG.
 */
#define IP_REASSEMBLY                   0

/**
 * IP_FRAG==1: Fragment outgoing IP packets if their size exceeds MTU. Note
 * that this option does not affect incoming packet sizes, which can be
 * controlled via IP_REASSEMBLY.
 */
#define IP_FRAG                         1

/**
 * IP_REASS_MAXAGE: Maximum time (in multiples of IP_TMR_INTERVAL - so seconds, normally)
 * a fragmented IP packet waits for all fragments to arrive. If not all fragments arrived
 * in this time, the whole packet is discarded.
 */
#define IP_REASS_MAXAGE                 3

/**
 * IP_REASS_MAX_PBUFS: Total maximum amount of pbufs waiting to be reassembled.
 * Since the received pbufs are enqueued, be sure to configure
 * PBUF_POOL_SIZE > IP_REASS_MAX_PBUFS so that the stack is still able to receive
 * packets even if the maximum amount of fragments is enqueued for reassembly!
 */
#define IP_REASS_MAX_PBUFS              10

/*
   ----------------------------------
   ---------- ICMP options ----------
   ----------------------------------
*/

/*
   ---------------------------------
   ---------- RAW options ----------
   ---------------------------------
*/

/*
   ----------------------------------
   ---------- DHCP options ----------
   ----------------------------------
*/
/**
 * LWIP_DHCP==1: Enable DHCP module.
 */
#define LWIP_DHCP                       1

#define LWIP_DHCP_BOOTP_FILE            0

/*
   ------------------------------------
   ---------- AUTOIP options ----------
   ------------------------------------
*/
/*
   ----------------------------------
   ---------- SNMP options ----------
   ----------------------------------
*/
/*
   ----------------------------------
   ---------- IGMP options ----------
   ----------------------------------
*/
/*
   ----------------------------------
   ---------- DNS options -----------
   ----------------------------------
*/
/**
 * LWIP_DNS==1: Turn on DNS module. UDP must be available for DNS
 * transport.
 */
#define LWIP_DNS                        1

#define DNS_TABLE_SIZE 1
#define DNS_MAX_NAME_LENGTH 128

/*
   ---------------------------------
   ---------- UDP options ----------
   ---------------------------------
*/
/*
   ---------------------------------
   ---------- TCP options ----------
   ---------------------------------
*/
/**
 * TCP_QUEUE_OOSEQ==1: TCP will queue segments that arrive out of order.
 * Define to 0 if your device is low on memory.
 */
#define TCP_QUEUE_OOSEQ                 0

/*
 *     LWIP_EVENT_API==1: The user defines lwip_tcp_event() to receive all
 *         events (accept, sent, etc) that happen in the system.
 *     LWIP_CALLBACK_API==1: The PCB callback function is called directly
 *         for the event. This is the default.
*/
#define TCP_MSS                         1460

/**
 * TCP_MAXRTX: Maximum number of retransmissions of data segments.
 */
#define TCP_MAXRTX                      6


/**
 * TCP_SYNMAXRTX: Maximum number of retransmissions of SYN segments.
 */
#define TCP_SYNMAXRTX                   3

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

/*
   ------------------------------------------------
   ---------- Network Interfaces options ----------
   ------------------------------------------------
*/
/**
 * LWIP_NETIF_TX_SINGLE_PBUF: if this is set to 1, lwIP tries to put all data
 * to be sent into one single pbuf. This is for compatibility with DMA-enabled
 * MACs that do not support scatter-gather.
 * Beware that this might involve CPU-memcpy before transmitting that would not
 * be needed without this flag! Use this only if you need to!
 *
 * @todo: TCP and IP-frag do not work with this, yet:
 */
#define LWIP_NETIF_TX_SINGLE_PBUF             1

/*
   ------------------------------------
   ---------- LOOPIF options ----------
   ------------------------------------
*/

/*
   ------------------------------------
   ---------- SLIPIF options ----------
   ------------------------------------
*/

/*
   ------------------------------------
   ---------- Thread options ----------
   ------------------------------------
*/
/**
 * TCPIP_THREAD_STACKSIZE: The stack size used by the main tcpip thread.
 * The stack size value itself is platform-dependent, but is passed to
 * sys_thread_new() when the thread is created.
 */
#define TCPIP_THREAD_STACKSIZE          512			//not ok:384 

/**
 * TCPIP_THREAD_PRIO: The priority assigned to the main tcpip thread.
 * The priority value itself is platform-dependent, but is passed to
 * sys_thread_new() when the thread is created.
 */
#define TCPIP_THREAD_PRIO               (configMAX_PRIORITIES-5)

/**
 * TCPIP_MBOX_SIZE: The mailbox size for the tcpip thread messages
 * The queue size value itself is platform-dependent, but is passed to
 * sys_mbox_new() when tcpip_init is called.
 */
#define TCPIP_MBOX_SIZE                 16

/**
 * 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       6

/**
 * 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       6

/**
 * 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         6

/*
   ----------------------------------------------
   ---------- Sequential layer options ----------
   ----------------------------------------------
*/

/*
   ------------------------------------
   ---------- Socket options ----------
   ------------------------------------
*/
/**
 * LWIP_SO_SNDTIMEO==1: Enable send timeout for sockets/netconns and
 * SO_SNDTIMEO processing.
 */
#define LWIP_SO_SNDTIMEO                1

/**
 * LWIP_SO_RCVTIMEO==1: Enable receive timeout for sockets/netconns and
 * SO_RCVTIMEO processing.
 */
#define LWIP_SO_RCVTIMEO                1

/**
 * LWIP_TCP_KEEPALIVE==1: Enable TCP_KEEPIDLE, TCP_KEEPINTVL and TCP_KEEPCNT
 * options processing. Note that TCP_KEEPIDLE and TCP_KEEPINTVL have to be set
 * in seconds. (does not require sockets.c, and will affect tcp.c)
 */
#define LWIP_TCP_KEEPALIVE              1

/**
 * LWIP_SO_RCVBUF==1: Enable SO_RCVBUF processing.
 */
#define LWIP_SO_RCVBUF                  0

/**
 * SO_REUSE==1: Enable SO_REUSEADDR option.
 */
#define SO_REUSE                        1

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

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

/*
   --------------------------------------
   ---------- Checksum options ----------
   --------------------------------------
*/

/*
   ---------------------------------------
   ---------- IPv6 options ---------------
   ---------------------------------------
*/

/*
   ---------------------------------------
   ---------- Hook options ---------------
   ---------------------------------------
*/

/*
   ---------------------------------------
   ---------- Debugging options ----------
   ---------------------------------------
*/

// Uncomment this line, and set the individual debug options you want, for IP stack debug output
//#define LWIP_DEBUG

/**
 * ETHARP_DEBUG: Enable debugging in etharp.c.
 */
#define ETHARP_DEBUG                    LWIP_DBG_OFF

/**
 * PBUF_DEBUG: Enable debugging in pbuf.c.
 */
#define PBUF_DEBUG                      LWIP_DBG_OFF

/**
 * API_LIB_DEBUG: Enable debugging in api_lib.c.
 */
#define API_LIB_DEBUG                   LWIP_DBG_OFF

/**
 * SOCKETS_DEBUG: Enable debugging in sockets.c.
 */
#define SOCKETS_DEBUG                   LWIP_DBG_OFF

/**
 * IP_DEBUG: Enable debugging for IP.
 */
#define IP_DEBUG                        LWIP_DBG_OFF

/**
 * MEMP_DEBUG: Enable debugging in memp.c.
 */
#define MEMP_DEBUG                      LWIP_DBG_OFF

/**
 * TCP_INPUT_DEBUG: Enable debugging in tcp_in.c for incoming debug.
 */
#define TCP_INPUT_DEBUG                 LWIP_DBG_OFF

/**
 * TCP_OUTPUT_DEBUG: Enable debugging in tcp_out.c output functions.
 */
#define TCP_OUTPUT_DEBUG                LWIP_DBG_OFF

/**
 * UDP_DEBUG: Enable debugging in udp.c.
 */
#define UDP_DEBUG                     LWIP_DBG_OFF

/**
 * ICMP_DEBUG: Enable debugging in udp.c.
 */
#define ICMP_DEBUG                     LWIP_DBG_OFF

/**
 * TCPIP_DEBUG: Enable debugging in tcpip.c.
 */
#define TCPIP_DEBUG                     LWIP_DBG_OFF


/**
 * DHCP_DEBUG: Enable debugging in dhcp.c.
 */
#define DHCP_DEBUG                      LWIP_DBG_OFF

#endif /* __LWIPOPTS_H__ */