/** ****************************************************************************** * @file STM32lwipopts_default.h * @author MCD Application Team * @brief lwIP Options Configuration. ****************************************************************************** * @attention * *

© Copyright (c) 2017 STMicroelectronics International N.V. * All rights reserved.

* * This software component is licensed by ST under Ultimate Liberty license * SLA0044, the "License"; You may not use this file except in compliance with * the License. You may obtain a copy of the License at: * www.st.com/SLA0044 * ****************************************************************************** */ #ifndef __STM32LWIPOPTS_H__ #define __STM32LWIPOPTS_H__ // we can not include that here so we // need to duplicate that.define // #include "defines.h" #define MAX_NUM_TCP_CLIENTS 20 // increase ARP cache #define MEMP_NUM_ARP_QUEUE MAX_NUM_TCP_CLIENTS+3 // one for each client (all on different HW) and a few extra // Example for debug //#define LWIP_DEBUG 1 //#define TCP_DEBUG LWIP_DBG_ON /** * NO_SYS==1: Provides VERY minimal functionality. Otherwise, * use lwIP facilities. */ #define NO_SYS 1 /** * 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 0 #define LWIP_NOASSERT /* ---------- 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 (10*1024) // Could be better or worse, needs more tests #define MEM_LIBC_MALLOC 1 // critical, fixes heap trashing #define MEMP_MEM_MALLOC 1 // uses malloc which means no pools which means slower but not mean 32KB up front /* 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 10 /* MEMP_NUM_UDP_PCB: the number of UDP protocol control blocks. One per active UDP "connection". */ #define MEMP_NUM_UDP_PCB 6 /* MEMP_NUM_TCP_PCB: the number of simulatenously active TCP connections. */ #define MEMP_NUM_TCP_PCB MAX_NUM_TCP_CLIENTS+1 // one extra so we can reject number N+1 from our code /* MEMP_NUM_TCP_PCB_LISTEN: the number of listening TCP connections. */ #define MEMP_NUM_TCP_PCB_LISTEN 6 /* MEMP_NUM_TCP_SEG: the number of simultaneously queued TCP segments. */ #define MEMP_NUM_TCP_SEG MAX_NUM_TCP_CLIENTS /* MEMP_NUM_SYS_TIMEOUT: the number of simulateously active timeouts. */ #define MEMP_NUM_SYS_TIMEOUT MAX_NUM_TCP_CLIENTS+2 /* ---------- Pbuf options ---------- */ /* PBUF_POOL_SIZE: the number of buffers in the pbuf pool. */ #define PBUF_POOL_SIZE MAX_NUM_TCP_CLIENTS /* PBUF_POOL_BUFSIZE: the size of each pbuf in the pbuf pool. */ #define PBUF_POOL_BUFSIZE 1524 /* ---------- TCP options ---------- */ #define LWIP_TCP 1 #define TCP_TTL 255 #define LWIP_SO_RCVTIMEO 1 #define LWIP_SO_RCVRCVTIMEO_NONSTANDARD 1 /* Pass an integer number of ms instead of a timeval struct. */ #define LWIP_SO_SNDTIMEO 1 #define LWIP_SO_SNDRCVTIMEO_NONSTANDARD 1 /* Pass an integer number of ms instead of a timeval struct. */ /* Controls if TCP should queue segments that arrive out of order. Define to 0 if your device is low on memory and you are not scared by TCP congestion and latencies. */ #define TCP_QUEUE_OOSEQ 0 /* TCP Maximum segment size. */ #define TCP_MSS (1500 - 40) /* TCP_MSS = (Ethernet MTU - IP header size - TCP header size) */ /* TCP sender buffer space (bytes). */ #define TCP_SND_BUF (4*TCP_MSS) /* TCP_SND_QUEUELEN: TCP sender buffer space (pbufs). This must be at least as much as (2 * TCP_SND_BUF/TCP_MSS) for things to work. */ #define TCP_SND_QUEUELEN (2* TCP_SND_BUF/TCP_MSS) /* TCP receive window. */ #define TCP_WND (3*TCP_MSS) #define LWIP_TCP_KEEPALIVE 1 /* Keep the TCP link active. Important for MQTT/TLS */ #define LWIP_RANDOMIZE_INITIAL_LOCAL_PORTS 1 /* Prevent the same port to be used after reset. Otherwise, the remote host may be confused if the port was not explicitly closed before the reset. */ /* ---------- ICMP options ---------- */ #define LWIP_ICMP 1 #define LWIP_RAW 1 /* PING changed to 1 */ #define DEFAULT_RAW_RECVMBOX_SIZE 3 /* for ICMP PING */ /* ---------- 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 /* ---------- UDP options ---------- */ #define LWIP_UDP 1 #define UDP_TTL 255 /* ---------- Statistics options ---------- */ #define LWIP_STATS 0 #define LWIP_PROVIDE_ERRNO /* ---------- link callback options ---------- */ /* LWIP_NETIF_LINK_CALLBACK==1: Support a callback function from an interface * whenever the link changes (i.e., link down) */ // need for building net_ip.c #define LWIP_NETIF_HOSTNAME 1 #define LWIP_NETIF_STATUS_CALLBACK 1 #define LWIP_NETIF_LINK_CALLBACK 1 #define LWIP_DHCP_CHECK_LINK_UP 1 /* -------------------------------------- ---------- Checksum options ---------- -------------------------------------- */ /* The STM32F4x7 allows computing and verifying the IP, UDP, TCP and ICMP checksums by hardware: - To use this feature let the following define uncommented. - To disable it and process by CPU comment the the checksum. */ #define CHECKSUM_BY_HARDWARE #ifdef CHECKSUM_BY_HARDWARE /* CHECKSUM_GEN_IP==0: Generate checksums by hardware for outgoing IP packets.*/ #define CHECKSUM_GEN_IP 0 /* CHECKSUM_GEN_UDP==0: Generate checksums by hardware for outgoing UDP packets.*/ #define CHECKSUM_GEN_UDP 0 /* CHECKSUM_GEN_TCP==0: Generate checksums by hardware for outgoing TCP packets.*/ #define CHECKSUM_GEN_TCP 0 /* CHECKSUM_CHECK_IP==0: Check checksums by hardware for incoming IP packets.*/ #define CHECKSUM_CHECK_IP 0 /* CHECKSUM_CHECK_UDP==0: Check checksums by hardware for incoming UDP packets.*/ #define CHECKSUM_CHECK_UDP 0 /* CHECKSUM_CHECK_TCP==0: Check checksums by hardware for incoming TCP packets.*/ #define CHECKSUM_CHECK_TCP 0 /* CHECKSUM_CHECK_ICMP==0: Check checksums by hardware for incoming ICMP packets.*/ #define CHECKSUM_GEN_ICMP 0 #else /* CHECKSUM_GEN_IP==1: Generate checksums in software for outgoing IP packets.*/ #define CHECKSUM_GEN_IP 1 /* CHECKSUM_GEN_UDP==1: Generate checksums in software for outgoing UDP packets.*/ #define CHECKSUM_GEN_UDP 1 /* CHECKSUM_GEN_TCP==1: Generate checksums in software for outgoing TCP packets.*/ #define CHECKSUM_GEN_TCP 1 /* CHECKSUM_CHECK_IP==1: Check checksums in software for incoming IP packets.*/ #define CHECKSUM_CHECK_IP 1 /* CHECKSUM_CHECK_UDP==1: Check checksums in software for incoming UDP packets.*/ #define CHECKSUM_CHECK_UDP 1 /* CHECKSUM_CHECK_TCP==1: Check checksums in software for incoming TCP packets.*/ #define CHECKSUM_CHECK_TCP 1 /* CHECKSUM_CHECK_ICMP==1: Check checksums by hardware for incoming ICMP packets.*/ #define CHECKSUM_GEN_ICMP 1 #endif /* ---------------------------------------------- ---------- Sequential layer options ---------- ---------------------------------------------- */ /** * LWIP_NETCONN==1: Enable Netconn API (require to use api_lib.c) */ #define LWIP_NETCONN 0 /* ------------------------------------ ---------- Socket options ---------- ------------------------------------ */ /** * LWIP_SOCKET==1: Enable Socket API (require to use sockets.c) */ #define LWIP_SOCKET 0 #define LWIP_DNS 1 /* ------------------------------------ ---------- httpd options ---------- ------------------------------------ */ /** Set this to 1 to support CGI */ #define LWIP_HTTPD_CGI 1 /** Set this to 1 to support SSI (Server-Side-Includes) */ #define LWIP_HTTPD_SSI 1 /** Set this to 1 to include "fsdata_custom.c" instead of "fsdata.c" for the * file system (to prevent changing the file included in CVS) */ #define HTTPD_USE_CUSTOM_FSDATA 1 /* ------------------------------------ ---------- Custom options ---------- ------------------------------------ */ /** Enables the Ethernet peripheral in RMII mode. If not defined, MII mode will be enabled. Pin mapping must be configured for the selected mode (see PinMap_Ethernet in PeripheralPins.c). */ #define ETHERNET_RMII_MODE_CONFIGURATION 1 /** Uncomment this line to use the ethernet input in interrupt mode. * NOTE: LwIP stack documentation recommends to use the polling mode without * an operating system. */ //#define ETH_INPUT_USE_IT 1 // We don't need this as we do not need to respond - we only announce //#define LWIP_MDNS_RESPONDER 1 //#define LWIP_NUM_NETIF_CLIENT_DATA 1 // MDNS needs at least one #define LWIP_IGMP 1 #define SO_REUSE 1 #define SO_REUSE_RXTOALL 1 #warning testing this #endif /* __STM32LWIPOPTS_H__ */ /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/