UDP 的协作图:
宏定义 | |
| #define | LWIP_NETBUF_RECVINFO 0 |
| #define | LWIP_UDPLITE 0 |
| #define | UDP_TTL IP_DEFAULT_TTL |
详细描述
宏定义说明
◆ LWIP_NETBUF_RECVINFO
| #define LWIP_NETBUF_RECVINFO 0 |
LWIP_NETBUF_RECVINFO==1: append destination addr and port to every netbuf.
◆ LWIP_UDPLITE
| #define LWIP_UDPLITE 0 |
LWIP_UDP==1: Turn on UDP. LWIP_UDPLITE==1: Turn on UDP-Lite. (Requires LWIP_UDP)
◆ UDP_TTL
| #define UDP_TTL IP_DEFAULT_TTL |
UDP_TTL: Default Time-To-Live value.
