/*!
\file lwipopts.h
\brief LwIP options configuration
*/
/*
Copyright (C) 2016 GigaDevice
2016-08-15, V1.0.0, firmware for GD32F4xx
*/
#ifndef LWIPOPTS_H
#define LWIPOPTS_H
#define ETHARP_TRUST_IP_MAC 0
#define IP_REASSEMBLY 0
#define IP_FRAG 0
#define ARP_QUEUEING 0
#define SYS_LIGHTWEIGHT_PROT 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 NO_SYS 0 /* NO_SYS==1: provides VERY minimal functionality. \
Otherwise, use lwIP facilities */
/* memory options */
#define MEM_ALIGNMENT 4 /* 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_SIZE (12 * 1024) /* 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 MEMP_NUM_PBUF 20 /* 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_UDP_PCB 6 /* the number of UDP protocol control blocks, one \
per active UDP "connection" */
#define MEMP_NUM_TCP_PCB 10 /* the number of simulatenously active TCP connections */
#define MEMP_NUM_TCP_PCB_LISTEN 5 /* the number of listening TCP connections */
#define MEMP_NUM_TCP_SEG 20 /* the number of simultaneously queued TCP segments */
#define MEMP_NUM_SYS_TIMEOUT 10 /* the number of simulateously active timeouts */
#define MEMP_NUM_NETBUF 8 /* the number of struct netbufs */
/* ---------- pbuf选项 ---------- */
#define MEMP_NUM_PBUF 15 /* MEMP_NUM_PBUF:memp结构的pbuf数量,如果应用从ROM或者静态存储区发送大量数据时,这个值应该设置大一点 */
#define PBUF_POOL_SIZE 15 /* PBUF_POOL_SIZE:pbuf内存池个数 */
#define PBUF_POOL_BUFSIZE 1528 /* PBUF_POOL_BUFSIZE:每个pbuf内存池大小 */
#define LWIP_SUPPORT_CUSTOM_PBUF 1
/* TCP options */
#define LWIP_TCP 1
#define TCP_TTL 255
#define TCP_QUEUE_OOSEQ 0 /* controls if TCP should queue segments that arrive out of \
order, Define to 0 if your device is low on memory. */
#undef TCPIP_MBOX_SIZE
#define TCPIP_MBOX_SIZE MAX_QUEUE_ENTRIES /* the mailbox size for the tcpip thread messages */
#undef DEFAULT_TCP_RECVMBOX_SIZE
#define DEFAULT_TCP_RECVMBOX_SIZE MAX_QUEUE_ENTRIES /* the mailbox size for the incoming packets on a NETCONN_TCP */
#undef DEFAULT_ACCEPTMBOX_SIZE /* the mailbox size for the incoming connections */
#define DEFAULT_ACCEPTMBOX_SIZE MAX_QUEUE_ENTRIES
#define DEFAULT_UDP_RECVMBOX_SIZE MAX_QUEUE_ENTRIES /* The mailbox size for the incoming packets on a NETCONN_UDP */
#define TCP_MSS (1500 - 40) /* TCP Maximum segment size, \
TCP_MSS = (Ethernet MTU - IP header size - TCP header size) */
#define TCP_SND_BUF (5 * TCP_MSS) /* TCP sender buffer space (bytes) */
#define TCP_SND_QUEUELEN ((4 * TCP_SND_BUF) / TCP_MSS) /* 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_WND (2 * TCP_MSS) /* TCP receive window */
/* ICMP options */
#define LWIP_ICMP 1
/* DHCP options */
#define LWIP_DHCP 0 /* define 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_IPV4 1
#define LWIP_IPV6 0
/* UDP options */
#define LWIP_UDP 1
#define UDP_TTL 255
/* statistics options */
#define LWIP_STATS 0
#define LWIP_PROVIDE_ERRNO 1
/* checksum options */
#define CHECKSUM_BY_HARDWARE /* computing and verifying the IP, UDP, TCP and ICMP \
checksums by hardware */
/* netconn options */
#define LWIP_NETCONN 1 /* set to 1 to enable netconn API (require to use api_lib.c) */
#define MEMP_NUM_NETCONN 4 /* the number of struct netconns */
/* socket options */
#define LWIP_SOCKET 1 /* set to 1 to enable socket API (require to use sockets.c) */
#define LWIP_SO_RCVTIMEO 1 /* set to 1 to enable receive timeout for sockets/netconns and \
SO_RCVTIMEO processing */
#define LWIP_NETIF_LINK_CALLBACK 1
/* Lwip debug options */
#define LWIP_DEBUG 0
#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
#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
#define CHECKSUM_GEN_ICMP 1
#endif
/*
---------------------------------
---------- OS options ----------
---------------------------------
*/
#define TCPIP_THREAD_STACKSIZE 1000
#define DEFAULT_THREAD_STACKSIZE 512
#define LWIP_COMPAT_MUTEX 1
#define TCPIP_THREAD_PRIO 5
#define DEFAULT_THREAD_PRIO 2
#endif /* LWIPOPTS_H */