Joel Cunningham 0ab21da820 Add multicast support to loopif
This commit adds support to send and receive multicast on the loopback
netif by enabling IGMP via NETIF_FLAG_IGMP

This commit also introduces an LwIP configuration option,
LWIP_LOOPIF_MCAST, to control the behavior and it defaults to off
2015-08-26 20:28:03 +02:00
..
2015-08-26 20:28:03 +02:00
2015-08-26 20:28:03 +02:00