mirror/lwip
1
0
Fork 0
mirror of https://github.com/lwip-tcpip/lwip.git synced 2025-02-04 21:39:49 +00:00
Code Issues Packages Projects Releases Wiki Activity

Add multicast support to loopif

Browse Source 
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
This commit is contained in:
Joel Cunningham 2015-08-24 11:28:13 -05:00 committed by sg
parent 204bd29e52
commit 0ab21da820
2 changed files with 10 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
src/core/netif.c
View File

@ -126,6 +126,9 @@ netif_loopif_init(struct netif *netif)
#endif
#if LWIP_IPV6
netif->output_ip6 = netif_loop_output_ipv6;
#endif
#if LWIP_LOOPIF_MCAST
netif->flags |= NETIF_FLAG_IGMP;
#endif
return ERR_OK;
}

7
src/include/lwip/opt.h
View File

@ -1424,6 +1424,13 @@
#define LWIP_HAVE_LOOPIF LWIP_NETIF_LOOPBACK
#endif
/**
* LWIP_LOOPIF_MCAST==1: Support multicast on loop interface (127.0.0.1).
*/
#ifndef LWIP_LOOPIF_MCAST
#define LWIP_LOOPIF_MCAST 0
#endif
/*
------------------------------------
---------- SLIPIF options ----------