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[lwip-devel] [bug #5378] Support for IGMP, the multicast group managemen

From: Frédéric BERNON
Subject: [lwip-devel] [bug #5378] Support for IGMP, the multicast group management protocol
Date: Mon, 26 Feb 2007 15:51:02 +0000
User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; fr; rv: Gecko/20061204 Firefox/

Follow-up Comment #3, bug #5378 (project lwip):

Hi Kieran,

This was not merged. Some fix are need in igmp.c code.

But you can find a first patch in this thread : "[lwip-users] Patch for IGMP
V1/V2 and raw multicast support" (near 22/03/2006) started by Mace Gael. It
was based on Steve Reynolds code. 

I also got a such version (also based on Steve Reynolds code, and on Mace
Gael modifications), with fix in igmp.c about mem allocation failure
controls, and about a pbuf which is never freed... I have replace printf by
LWIP_DEBUG (I have to add new define "formaters" like U32_F), some

But my own lwip copy got some others little modifications (mainly, a recvfrom
timeout which need to add a "timeout" parameter to sys_mbox_fetch).

But except that, I'm synchronized with current CVS HEAD (and IGMP
modifications are between #ifdef/#endif) + Christiaan's SNMP.

Do you want a diff?

I join you the Mace Geal patch, posted in forum in March 2006. I know that
Christiaan Simons replied to this thread.

(file #12043, file #12044)

Additional Item Attachment:

File name: Patch for IGMP V1V2 and raw multicast support.txt Size:1 KB
File name: lwip_IGMP.zip                  Size:13 KB


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