lwIP  2.0.2
Lightweight IP stack
Macros
IGMP
lwIP » Options (lwipopts.h) » IPv4

Macros

#define LWIP_IGMP   0
 
#define LWIP_MULTICAST_TX_OPTIONS   (LWIP_IGMP && LWIP_UDP)
 

Detailed Description

Macro Definition Documentation

◆ LWIP_IGMP

#define LWIP_IGMP   0

LWIP_IGMP==1: Turn on IGMP module.

◆ LWIP_MULTICAST_TX_OPTIONS

#define LWIP_MULTICAST_TX_OPTIONS   (LWIP_IGMP && LWIP_UDP)

LWIP_MULTICAST_TX_OPTIONS==1: Enable multicast TX support like the socket options IP_MULTICAST_TTL/IP_MULTICAST_IF/IP_MULTICAST_LOOP