lwipopts.h File Reference

Macros
#define	NO_SYS   1
#define	LWIP_DEBUG
#define	TCP_DEBUG   LWIP_DBG_ON
#define	LWIP_NETCONN   0
	LWIP_NETCONN==1: Enable Netconn API (require to use api_lib.c) More...
#define	LWIP_SOCKET   0
	LWIP_SOCKET==1: Enable Socket API (require to use sockets.c) More...
#define	MEM_LIBC_MALLOC   1
	MEM_LIBC_MALLOC==1: Use malloc/free/realloc provided by your C-library instead of the lwip internal allocator. More...
#define	MEMP_MEM_MALLOC   1
	MEMP_MEM_MALLOC==1: Use mem_malloc/mem_free instead of the lwip pool allocator. More...
#define	LWIP_ARP   0
	LWIP_ARP==1: Enable ARP functionality. More...
#define	ARP_QUEUEING   0
#define	LWIP_ICMP   0
	LWIP_ICMP==1: Enable ICMP module inside the IP stack. More...
#define	LWIP_RAW   0
	LWIP_RAW==1: Enable application layer to hook into the IP layer itself. More...
#define	LWIP_UDP   0
	LWIP_UDP==1: Turn on UDP. More...
#define	LWIP_NETBUF_RECVINFO   0
	LWIP_NETBUF_RECVINFO==1: append destination addr and port to every netbuf. More...
#define	LWIP_CALLBACK_API   0
	LWIP_EVENT_API and LWIP_CALLBACK_API: Only one of these should be set to 1. More...
#define	LWIP_EVENT_API   1
#define	CHECKSUM_GEN_IP   0
	CHECKSUM_GEN_IP==1: Generate checksums in software for outgoing IP packets. More...
#define	CHECKSUM_GEN_UDP   0
	CHECKSUM_GEN_UDP==1: Generate checksums in software for outgoing UDP packets. More...
#define	CHECKSUM_GEN_TCP   0
	CHECKSUM_GEN_TCP==1: Generate checksums in software for outgoing TCP packets. More...
#define	CHECKSUM_CHECK_IP   0
	CHECKSUM_CHECK_IP==1: Check checksums in software for incoming IP packets. More...
#define	CHECKSUM_CHECK_UDP   0
	CHECKSUM_CHECK_UDP==1: Check checksums in software for incoming UDP packets. More...
#define	CHECKSUM_CHECK_TCP   0
	CHECKSUM_CHECK_TCP==1: Check checksums in software for incoming TCP packets. More...
#define	TCP_STATS   0
#define	TCP_SND_BUF   4096

Macro Definition Documentation

#define ARP_QUEUEING   0

#define CHECKSUM_CHECK_IP   0

CHECKSUM_CHECK_IP==1: Check checksums in software for incoming IP packets.

#define CHECKSUM_CHECK_TCP   0

CHECKSUM_CHECK_TCP==1: Check checksums in software for incoming TCP packets.

#define CHECKSUM_CHECK_UDP   0

CHECKSUM_CHECK_UDP==1: Check checksums in software for incoming UDP packets.

#define CHECKSUM_GEN_IP   0

CHECKSUM_GEN_IP==1: Generate checksums in software for outgoing IP packets.

#define CHECKSUM_GEN_TCP   0

CHECKSUM_GEN_TCP==1: Generate checksums in software for outgoing TCP packets.

#define CHECKSUM_GEN_UDP   0

CHECKSUM_GEN_UDP==1: Generate checksums in software for outgoing UDP packets.

#define LWIP_ARP   0

LWIP_ARP==1: Enable ARP functionality.

#define LWIP_CALLBACK_API   0

LWIP_EVENT_API and LWIP_CALLBACK_API: Only one of these should be set to 1.

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. BZ: check it!!!!!!

#define LWIP_DEBUG

#define LWIP_EVENT_API   1

#define LWIP_ICMP   0

LWIP_ICMP==1: Enable ICMP module inside the IP stack.

Be careful, disable that make your product non-compliant to RFC1122

#define LWIP_NETBUF_RECVINFO   0

LWIP_NETBUF_RECVINFO==1: append destination addr and port to every netbuf.

BZ: check it!!!!!!

#define LWIP_NETCONN   0

LWIP_NETCONN==1: Enable Netconn API (require to use api_lib.c)

#define LWIP_RAW   0

LWIP_RAW==1: Enable application layer to hook into the IP layer itself.

#define LWIP_SOCKET   0

LWIP_SOCKET==1: Enable Socket API (require to use sockets.c)

#define LWIP_UDP   0

LWIP_UDP==1: Turn on UDP.

#define MEM_LIBC_MALLOC   1

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 MEMP_MEM_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 NO_SYS   1

#define TCP_DEBUG   LWIP_DBG_ON

#define TCP_SND_BUF   4096

#define TCP_STATS   0