ICMP

Collaboration diagram for ICMP:

Macros
#define	LWIP_ICMP   1
#define	ICMP_TTL   (IP_DEFAULT_TTL)
#define	LWIP_BROADCAST_PING   0
#define	LWIP_MULTICAST_PING   0

Detailed Description

Macro Definition Documentation

LWIP_ICMP

#define LWIP_ICMP   1

LWIP_ICMP==1: Enable ICMP module inside the IP stack. Be careful, disable that make your product non-compliant to RFC1122

ICMP_TTL

#define ICMP_TTL   (IP_DEFAULT_TTL)

ICMP_TTL: Default value for Time-To-Live used by ICMP packets.

LWIP_BROADCAST_PING

#define LWIP_BROADCAST_PING   0

LWIP_BROADCAST_PING==1: respond to broadcast pings (default is unicast only)

LWIP_MULTICAST_PING

#define LWIP_MULTICAST_PING   0

LWIP_MULTICAST_PING==1: respond to multicast pings (default is unicast only)