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239 lines
6.5 KiB
C
239 lines
6.5 KiB
C
#ifndef __LWIPOPTS_H__
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#define __LWIPOPTS_H__
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/**
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* NO_SYS==1: Bare metal lwIP
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*/
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#define NO_SYS 1
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/**
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* LWIP_NETCONN==0: Disable Netconn API (require to use api_lib.c)
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*/
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#define LWIP_NETCONN 0
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/**
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* LWIP_SOCKET==0: Disable Socket API (require to use sockets.c)
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*/
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#define LWIP_SOCKET 0
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/**
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* SYS_LIGHTWEIGHT_PROT==1: enable inter-task protection (and task-vs-interrupt
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* protection) for certain critical regions during buffer allocation, deallocation
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* and memory allocation and deallocation.
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* ATTENTION: This is required when using lwIP from more than one context! If
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* you disable this, you must be sure what you are doing!
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*/
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/**
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* SYS_LIGHTWEIGHT_PROT==0:
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*/
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#define SYS_LIGHTWEIGHT_PROT 0
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/* ---------- Memory options ---------- */
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/**
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* MEM_ALIGNMENT: should be set to the alignment of the CPU
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* 4 byte alignment -> #define MEM_ALIGNMENT 4
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* 2 byte alignment -> #define MEM_ALIGNMENT 2
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*/
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#ifndef MEM_ALIGNMENT
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#define MEM_ALIGNMENT 4
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#endif
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/**
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* MEM_SIZE: the size of the heap memory. If the application will send
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* a lot of data that needs to be copied, this should be set high.
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*/
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#ifndef MEM_SIZE
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#define MEM_SIZE (22 * 1024)
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#endif
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/* MEMP_NUM_PBUF: the number of memp struct pbufs. If the application
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sends a lot of data out of ROM (or other static memory), this
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should be set high. */
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#ifndef MEMP_NUM_PBUF
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#define MEMP_NUM_PBUF 15
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#endif
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/* MEMP_NUM_UDP_PCB: the number of UDP protocol control blocks. One
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per active UDP "connection". */
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#ifndef MEMP_NUM_UDP_PCB
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#define MEMP_NUM_UDP_PCB 6
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#endif
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/* MEMP_NUM_TCP_PCB: the number of simulatenously active TCP
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connections. */
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#ifndef MEMP_NUM_TCP_PCB
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#define MEMP_NUM_TCP_PCB 10
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#endif
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/* MEMP_NUM_TCP_PCB_LISTEN: the number of listening TCP
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connections. */
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#ifndef MEMP_NUM_TCP_PCB_LISTEN
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#define MEMP_NUM_TCP_PCB_LISTEN 6
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#endif
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/* MEMP_NUM_TCP_SEG: the number of simultaneously queued TCP
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segments. */
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#ifndef MEMP_NUM_TCP_SEG
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#define MEMP_NUM_TCP_SEG 22
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#endif
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/* MEMP_NUM_SYS_TIMEOUT: the number of simulateously active
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timeouts. */
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#ifndef MEMP_NUM_SYS_TIMEOUT
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#define MEMP_NUM_SYS_TIMEOUT 10
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#endif
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/* ---------- Pbuf options ---------- */
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/* PBUF_POOL_SIZE: the number of buffers in the pbuf pool. */
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#ifndef PBUF_POOL_SIZE
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#define PBUF_POOL_SIZE 9
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#endif
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/* PBUF_POOL_BUFSIZE: the size of each pbuf in the pbuf pool. */
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/* Default value is defined in lwip\src\include\lwip\opt.h as
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* LWIP_MEM_ALIGN_SIZE(TCP_MSS+40+PBUF_LINK_ENCAPSULATION_HLEN+PBUF_LINK_HLEN)*/
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/* ---------- TCP options ---------- */
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#ifndef LWIP_TCP
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#define LWIP_TCP 1
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#endif
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#ifndef TCP_TTL
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#define TCP_TTL 255
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#endif
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/* Controls if TCP should queue segments that arrive out of
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order. Define to 0 if your device is low on memory. */
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#ifndef TCP_QUEUE_OOSEQ
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#define TCP_QUEUE_OOSEQ 0
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#endif
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/* TCP Maximum segment size. */
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#ifndef TCP_MSS
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#define TCP_MSS (1500 - 40) /* TCP_MSS = (Ethernet MTU - IP header size - TCP header size) */
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#endif
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/* TCP sender buffer space (bytes). */
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#ifndef TCP_SND_BUF
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#define TCP_SND_BUF (6 * TCP_MSS) // 2
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#endif
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/* TCP sender buffer space (pbufs). This must be at least = 2 *
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TCP_SND_BUF/TCP_MSS for things to work. */
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#ifndef TCP_SND_QUEUELEN
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#define TCP_SND_QUEUELEN (3 * TCP_SND_BUF) / TCP_MSS // 6
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#endif
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/* TCP receive window. */
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#ifndef TCP_WND
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#define TCP_WND (2 * TCP_MSS)
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#endif
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/* Enable backlog*/
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#ifndef TCP_LISTEN_BACKLOG
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#define TCP_LISTEN_BACKLOG 1
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#endif
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/* ---------- Network Interfaces options ---------- */
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/* Support netif api (in netifapi.c). */
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#ifndef LWIP_NETIF_API
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#define LWIP_NETIF_API 0
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#endif
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/* ---------- ICMP options ---------- */
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#ifndef LWIP_ICMP
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#define LWIP_ICMP 1
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#endif
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/* ---------- DHCP options ---------- */
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/* Define LWIP_DHCP to 1 if you want DHCP configuration of
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interfaces. DHCP is not implemented in lwIP 0.5.1, however, so
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turning this on does currently not work. */
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#ifndef LWIP_DHCP
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#define LWIP_DHCP 1
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#endif
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/* ---------- UDP options ---------- */
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#ifndef LWIP_UDP
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#define LWIP_UDP 1
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#endif
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#ifndef UDP_TTL
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#define UDP_TTL 255
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#endif
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/* ---------- Statistics options ---------- */
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#ifndef LWIP_STATS
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#define LWIP_STATS 0
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#endif
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#ifndef LWIP_PROVIDE_ERRNO
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#define LWIP_PROVIDE_ERRNO 1
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#endif
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/*
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--------------------------------------
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---------- Checksum options ----------
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--------------------------------------
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*/
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/*
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Some MCU allow computing and verifying the IP, UDP, TCP and ICMP checksums by hardware:
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- To use this feature let the following define uncommented.
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- To disable it and process by CPU comment the the checksum.
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*/
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//#define CHECKSUM_BY_HARDWARE
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#ifdef CHECKSUM_BY_HARDWARE
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/* CHECKSUM_GEN_IP==0: Generate checksums by hardware for outgoing IP packets.*/
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#define CHECKSUM_GEN_IP 0
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/* CHECKSUM_GEN_UDP==0: Generate checksums by hardware for outgoing UDP packets.*/
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#define CHECKSUM_GEN_UDP 0
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/* CHECKSUM_GEN_TCP==0: Generate checksums by hardware for outgoing TCP packets.*/
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#define CHECKSUM_GEN_TCP 0
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/* CHECKSUM_CHECK_IP==0: Check checksums by hardware for incoming IP packets.*/
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#define CHECKSUM_CHECK_IP 0
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/* CHECKSUM_CHECK_UDP==0: Check checksums by hardware for incoming UDP packets.*/
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#define CHECKSUM_CHECK_UDP 0
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/* CHECKSUM_CHECK_TCP==0: Check checksums by hardware for incoming TCP packets.*/
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#define CHECKSUM_CHECK_TCP 0
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#else
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/* CHECKSUM_GEN_IP==1: Generate checksums in software for outgoing IP packets.*/
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#define CHECKSUM_GEN_IP 1
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/* CHECKSUM_GEN_UDP==1: Generate checksums in software for outgoing UDP packets.*/
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#define CHECKSUM_GEN_UDP 1
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/* CHECKSUM_GEN_TCP==1: Generate checksums in software for outgoing TCP packets.*/
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#define CHECKSUM_GEN_TCP 1
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/* CHECKSUM_CHECK_IP==1: Check checksums in software for incoming IP packets.*/
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#define CHECKSUM_CHECK_IP 1
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/* CHECKSUM_CHECK_UDP==1: Check checksums in software for incoming UDP packets.*/
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#define CHECKSUM_CHECK_UDP 1
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/* CHECKSUM_CHECK_TCP==1: Check checksums in software for incoming TCP packets.*/
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#define CHECKSUM_CHECK_TCP 1
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#endif
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/*
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------------------------------------
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---------- Debugging options ----------
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------------------------------------
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*/
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// #define LWIP_DEBUG
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// TODO: map these to <stdint.h>
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#ifdef LWIP_DEBUG
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#define U8_F "c"
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#define S8_F "c"
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#define X8_F "02x"
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#define U16_F "u"
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#define S16_F "d"
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#define X16_F "x"
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#define U32_F "u"
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#define S32_F "d"
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#define X32_F "x"
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#define SZT_F "u"
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#endif
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#if (LWIP_DNS || LWIP_IGMP || LWIP_IPV6) && !defined(LWIP_RAND)
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/* When using IGMP or IPv6, LWIP_RAND() needs to be defined to a random-function returning an u32_t random value*/
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#include "lwip/arch.h"
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u32_t lwip_rand(void);
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#define LWIP_RAND() lwip_rand()
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#endif
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#endif /* __LWIPOPTS_H__ */
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/*****END OF FILE****/
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