LwIP
LWIP_MULTICAST_TX_OPTIONS is only used within LwIP.
 
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CodeScopeSTM32 Libraries and SamplesLwIPLWIP_MULTICAST_TX_OPTIONS

LWIP_MULTICAST_TX_OPTIONS macro

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.

Syntax

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

References

LocationText
opt.h:1050
#define LWIP_MULTICAST_TX_OPTIONS ((LWIP_IGMP || LWIP_IPV6_MLD) && (LWIP_UDP || LWIP_RAW))
init.c:97
#if (!LWIP_UDP && !LWIP_RAW && LWIP_MULTICAST_TX_OPTIONS)
init.c:119
#if (LWIP_IGMP && !LWIP_MULTICAST_TX_OPTIONS)
ip4.c:109
#if LWIP_MULTICAST_TX_OPTIONS
ip4.c:159
#if LWIP_MULTICAST_TX_OPTIONS
ip4.h:91
#if LWIP_MULTICAST_TX_OPTIONS
sockets.c:3036
#if LWIP_IPV4 && LWIP_MULTICAST_TX_OPTIONS && LWIP_UDP
sockets.c:3491
#if LWIP_IPV4 && LWIP_MULTICAST_TX_OPTIONS && LWIP_UDP
sockets.h:303
#if LWIP_MULTICAST_TX_OPTIONS
udp.c:549
#if LWIP_MULTICAST_TX_OPTIONS
udp.c:791
#if LWIP_MULTICAST_TX_OPTIONS
udp.c:883
#if LWIP_MULTICAST_TX_OPTIONS
udp.c:1233
#if LWIP_MULTICAST_TX_OPTIONS
udp.h:93
#if LWIP_MULTICAST_TX_OPTIONS
udp.h:170
#if LWIP_MULTICAST_TX_OPTIONS