/**
  ******************************************************************************
  * File Name          : lwipopts.h
  * Description        : This file overrides LwIP stack default configuration
  *                      done in opt.h file.
  ******************************************************************************
  * This notice applies to any and all portions of this file
  * that are not between comment pairs USER CODE BEGIN and
  * USER CODE END. Other portions of this file, whether
  * inserted by the user or by software development tools
  * are owned by their respective copyright owners.
  *
  * Copyright (c) 2019 STMicroelectronics International N.V.
  * 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. Redistribution 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. Neither the name of STMicroelectronics nor the names of other
  *    contributors to this software may be used to endorse or promote products
  *    derived from this software without specific written permission.
  * 4. This software, including modifications and/or derivative works of this
  *    software, must execute solely and exclusively on microcontroller or
  *    microprocessor devices manufactured by or for STMicroelectronics.
  * 5. Redistribution and use of this software other than as permitted under
  *    this license is void and will automatically terminate your rights under
  *    this license.
  *
  * THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS"
  * AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT
  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
  * PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY
  * RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT
  * SHALL STMICROELECTRONICS OR CONTRIBUTORS 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.
  *
  ******************************************************************************
  */

/* Define to prevent recursive inclusion --------------------------------------*/
#ifndef __LWIPOPTS__H__
#define __LWIPOPTS__H__

#include "stm32f4xx_hal.h"

/*-----------------------------------------------------------------------------*/
/* Current version of LwIP supported by CubeMx: 2.0.3 -*/
/*-----------------------------------------------------------------------------*/

/* Within 'USER CODE' section, code will be kept by default at each generation */
/* USER CODE BEGIN 0 */

/* USER CODE END 0 */

#ifdef __cplusplus
 extern "C" {
#endif

/* STM32CubeMX Specific Parameters (not defined in opt.h) ---------------------*/
/* Parameters set in STM32CubeMX LwIP Configuration GUI -*/
/*----- WITH_RTOS disabled (Since FREERTOS is not set) -----*/
#define WITH_RTOS 0
/*----- CHECKSUM_BY_HARDWARE disabled -----*/
#define CHECKSUM_BY_HARDWARE 0
/*-----------------------------------------------------------------------------*/

/* LwIP Stack Parameters (modified compared to initialization value in opt.h) -*/
/* Parameters set in STM32CubeMX LwIP Configuration GUI -*/
/*----- Value in opt.h for NO_SYS: 0 -----*/
#define NO_SYS 1
/*----- Value in opt.h for SYS_LIGHTWEIGHT_PROT: 1 -----*/
#define SYS_LIGHTWEIGHT_PROT 0
/*----- Value in opt.h for MEM_ALIGNMENT: 1 -----*/
#define MEM_ALIGNMENT 4
/*----- Value in opt.h for LWIP_ETHERNET: LWIP_ARP || PPPOE_SUPPORT -*/
#define LWIP_ETHERNET 1
/*----- Value in opt.h for LWIP_DNS_SECURE: (LWIP_DNS_SECURE_RAND_XID | LWIP_DNS_SECURE_NO_MULTIPLE_OUTSTANDING | LWIP_DNS_SECURE_RAND_SRC_PORT) -*/
#define LWIP_DNS_SECURE 7
/*----- Value in opt.h for TCP_SND_QUEUELEN: (4*TCP_SND_BUF + (TCP_MSS - 1))/TCP_MSS -----*/
#define TCP_SND_QUEUELEN 9
/*----- Value in opt.h for TCP_SNDLOWAT: LWIP_MIN(LWIP_MAX(((TCP_SND_BUF)/2), (2 * TCP_MSS) + 1), (TCP_SND_BUF) - 1) -*/
#define TCP_SNDLOWAT 1071
/*----- Value in opt.h for TCP_SNDQUEUELOWAT: LWIP_MAX(TCP_SND_QUEUELEN)/2, 5) -*/
#define TCP_SNDQUEUELOWAT 5
/*----- Value in opt.h for TCP_WND_UPDATE_THRESHOLD: LWIP_MIN(TCP_WND/4, TCP_MSS*4) -----*/
#define TCP_WND_UPDATE_THRESHOLD 536
/*----- Value in opt.h for LWIP_NETCONN: 1 -----*/
#define LWIP_NETCONN 0
/*----- Value in opt.h for LWIP_SOCKET: 1 -----*/
#define LWIP_SOCKET 0
/*----- Value in opt.h for RECV_BUFSIZE_DEFAULT: INT_MAX -----*/
#define RECV_BUFSIZE_DEFAULT 2000000000
/*----- Value in opt.h for LWIP_STATS: 1 -----*/
#define LWIP_STATS 0
/*----- Value in opt.h for CHECKSUM_GEN_IP: 1 -----*/
#define CHECKSUM_GEN_IP 0
/*----- Value in opt.h for CHECKSUM_GEN_UDP: 1 -----*/
#define CHECKSUM_GEN_UDP 0
/*----- Value in opt.h for CHECKSUM_GEN_TCP: 1 -----*/
#define CHECKSUM_GEN_TCP 0
/*----- Value in opt.h for CHECKSUM_GEN_ICMP: 1 -----*/
#define CHECKSUM_GEN_ICMP 0
/*----- Value in opt.h for CHECKSUM_GEN_ICMP6: 1 -----*/
#define CHECKSUM_GEN_ICMP6 0
/*----- Value in opt.h for CHECKSUM_CHECK_IP: 1 -----*/
#define CHECKSUM_CHECK_IP 0
/*----- Value in opt.h for CHECKSUM_CHECK_UDP: 1 -----*/
#define CHECKSUM_CHECK_UDP 0
/*----- Value in opt.h for CHECKSUM_CHECK_TCP: 1 -----*/
#define CHECKSUM_CHECK_TCP 0
/*----- Value in opt.h for CHECKSUM_CHECK_ICMP: 1 -----*/
#define CHECKSUM_CHECK_ICMP 0
/*----- Value in opt.h for CHECKSUM_CHECK_ICMP6: 1 -----*/
#define CHECKSUM_CHECK_ICMP6 0
/*-----------------------------------------------------------------------------*/
/* USER CODE BEGIN 1 */
// #define IP_REASSEMBLY 0


#define LWIP_ALTCP                  1
#define LWIP_ALTCP_TLS              1
#define LWIP_ALTCP_TLS_MBEDTLS      1
// #define MEMP_NUM_SYS_TIMEOUT            (LWIP_NUM_SYS_TIMEOUT_INTERNAL + 2)

#define MEM_SIZE                  (100 * 1024)
// #define LWIP_DEBUG
// #define MEMP_NUM_TCP_PCB          20
// #define MEMP_NUM_TCP_PCB_LISTEN   10
// #define MEMP_NUM_TCP_SEG          20
// #define PBUF_POOL_SIZE            32
// for mqtt tls
// #define TCP_WND               (31 * TCP_MSS)
// #define TCP_SND_BUF           (10 * TCP_MSS)
// 
// #define PBUF_POOL_SIZE        32
// #define MEMP_NUM_ALTCP_PCB    (MEMP_NUM_TCP_PCB)

#define LWIP_DEBUG            1
// #define DNS_DEBUG             LWIP_DBG_ON
// #define DHCP_DEBUG            LWIP_DBG_ON
// #define MQTT_DEBUG            LWIP_DBG_ON
// #define ALTCP_MBEDTLS_DEBUG   LWIP_DBG_ON
#define TCP_DEBUG             LWIP_DBG_ON
// #define MEM_DEBUG             LWIP_DBG_ON
#undef TCP_MSS
// #define TCP_MSS           800//(1500 - 40)
// #define TCP_WND          (22 * TCP_MSS) //TCP_WND >= MBEDTLS_SSL_MAX_CONTENT_LEN
#undef  MEMP_MEM_MALLOC
#define MEMP_MEM_MALLOC   1 //Only one can be selected with MEM_USE_POOLS

//do not use memory pool
#undef  MEM_USE_POOLS
#define MEM_USE_POOLS     0 //Only one can be selected with MEMP_MEM_MALLOC
// #define MBEDTLS_DEBUG_C 



/* USER CODE END 1 */

#ifdef __cplusplus
}
#endif
#endif /*__LWIPOPTS__H_H */

/************************* (C) COPYRIGHT STMicroelectronics *****END OF FILE****/