TuyaOS
宏定义
ICMP 的协作图:

宏定义

#define ICMP_TTL   IP_DEFAULT_TTL
 
#define LWIP_BROADCAST_PING   0
 
#define LWIP_MULTICAST_PING   0
 

详细描述

宏定义说明

◆ ICMP_TTL

#define ICMP_TTL   IP_DEFAULT_TTL

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