TuyaOS
宏定义
Multicast 的协作图:

宏定义

#define LWIP_MULTICAST_TX_OPTIONS   ((LWIP_IGMP || LWIP_IPV6_MLD) && (LWIP_UDP || LWIP_RAW))
 

详细描述

宏定义说明

◆ LWIP_MULTICAST_TX_OPTIONS

#define LWIP_MULTICAST_TX_OPTIONS   ((LWIP_IGMP || LWIP_IPV6_MLD) && (LWIP_UDP || LWIP_RAW))

LWIP_MULTICAST_TX_OPTIONS==1: Enable multicast TX support like the socket options IP_MULTICAST_TTL/IP_MULTICAST_IF/IP_MULTICAST_LOOP, as well as (currently only) core support for the corresponding IPv6 options.