lwipopts.h File Reference

#include <string.h>

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Macros
#define	BYTE_ORDER   BIG_ENDIAN
#define	NO_SYS   1
#define	LWIP_CALLBACK_API   1
#define	TCPIP_THREAD_PRIO   125
#define	SYS_LIGHTWEIGHT_PROT   1
#define	MEM_ALIGNMENT   4
#define	MEM_SIZE   (192*1024)
#define	MEMP_NUM_PBUF   128
#define	MEMP_NUM_UDP_PCB   16
#define	MEMP_NUM_TCP_PCB   16
#define	MEMP_NUM_TCP_PCB_LISTEN   8
#define	MEMP_NUM_TCP_SEG   128
#define	MEMP_NUM_NETBUF   16
#define	MEMP_NUM_NETCONN   16
#define	MEMP_NUM_API_MSG   128
#define	MEMP_NUM_TCPIP_MSG   128
#define	MEMP_NUM_SYS_TIMEOUT   0
#define	PBUF_POOL_SIZE   128
#define	PBUF_POOL_BUFSIZE   1600
#define	PBUF_LINK_HLEN   16
#define	LWIP_TCP   1
#define	TCP_TTL   255
#define	TCP_QUEUE_OOSEQ   1
#define	TCP_MSS   1460
#define	TCP_SND_BUF   (36*TCP_MSS)
#define	TCP_SND_QUEUELEN   (36*TCP_SND_BUF/TCP_MSS)
#define	TCP_WND   (36*TCP_MSS)
#define	TCP_MAXRTX   12
#define	TCP_SYNMAXRTX   4
#define	IP_FORWARD   0
#define	IP_OPTIONS   1
#define	ICMP_TTL   255
#define	LWIP_DHCP   1
#define	DHCP_DOES_ARP_CHECK   1
#define	LWIP_UDP   1
#define	UDP_TTL   255
#define	LWIP_STATS   0

Macro Definition Documentation

BYTE_ORDER

#define BYTE_ORDER   BIG_ENDIAN

DHCP_DOES_ARP_CHECK

#define DHCP_DOES_ARP_CHECK   1

ICMP_TTL

#define ICMP_TTL   255

IP_FORWARD

#define IP_FORWARD   0

• If enabled, cache entries are generated for every kind of ARP traffic or broadcast IP traffic. This enhances behaviour for sending to a dynamic set of hosts, for example if acting as a gateway.
• If disabled, cache entries are generated only for IP destination addresses in use by lwIP or applications. This enhances performance if sending to a small, reasonably static number of hosts. Typically for embedded devices.

IP_OPTIONS

#define IP_OPTIONS   1

LWIP_CALLBACK_API

#define LWIP_CALLBACK_API   1

LWIP_DHCP

#define LWIP_DHCP   1

LWIP_STATS

#define LWIP_STATS   0

LWIP_TCP

#define LWIP_TCP   1

LWIP_UDP

#define LWIP_UDP   1

MEM_ALIGNMENT

#define MEM_ALIGNMENT   4

MEM_SIZE

#define MEM_SIZE   (192*1024)

MEMP_NUM_API_MSG

#define MEMP_NUM_API_MSG   128

MEMP_NUM_NETBUF

#define MEMP_NUM_NETBUF   16

MEMP_NUM_NETCONN

#define MEMP_NUM_NETCONN   16

MEMP_NUM_PBUF

#define MEMP_NUM_PBUF   128

MEMP_NUM_SYS_TIMEOUT

#define MEMP_NUM_SYS_TIMEOUT   0

MEMP_NUM_TCP_PCB

#define MEMP_NUM_TCP_PCB   16

MEMP_NUM_TCP_PCB_LISTEN

#define MEMP_NUM_TCP_PCB_LISTEN   8

MEMP_NUM_TCP_SEG

#define MEMP_NUM_TCP_SEG   128

MEMP_NUM_TCPIP_MSG

#define MEMP_NUM_TCPIP_MSG   128

MEMP_NUM_UDP_PCB

#define MEMP_NUM_UDP_PCB   16

NO_SYS

#define NO_SYS   1

PBUF_LINK_HLEN

#define PBUF_LINK_HLEN   16

PBUF_POOL_BUFSIZE

#define PBUF_POOL_BUFSIZE   1600

PBUF_POOL_SIZE

#define PBUF_POOL_SIZE   128

SYS_LIGHTWEIGHT_PROT

#define SYS_LIGHTWEIGHT_PROT   1

TCP_MAXRTX

#define TCP_MAXRTX   12

TCP_MSS

#define TCP_MSS   1460

TCP_QUEUE_OOSEQ

#define TCP_QUEUE_OOSEQ   1

TCP_SND_BUF

#define TCP_SND_BUF   (36*TCP_MSS)

TCP_SND_QUEUELEN

#define TCP_SND_QUEUELEN   (36*TCP_SND_BUF/TCP_MSS)

TCP_SYNMAXRTX

#define TCP_SYNMAXRTX   4

TCP_TTL

#define TCP_TTL   255

TCP_WND

#define TCP_WND   (36*TCP_MSS)

TCPIP_THREAD_PRIO

#define TCPIP_THREAD_PRIO   125

UDP_TTL

#define UDP_TTL   255