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Date:	Tue, 6 May 2008 16:38:04 +0300
From:	"David Shwatrz" <dshwatrz@...il.com>
To:	netdev@...r.kernel.org,
	"YOSHIFUJI Hideaki / 吉藤英明" 
	<yoshfuji@...ux-ipv6.org>
Subject: A question about setting the net device for multicast forwarding in IPv4 and in IPv6

Hi,
  I had noticed that in IPV4 we set the net device for multicast
forwarding in case
it is not already configured so, when the user space app calls
setsockopt() with MRT_INIT;
this is done by calling IPV4_DEVCONF_ALL(sock_net(sk), MC_FORWARDING)++;
in ip_mroute_setsockopt(); (net/ipv4/ipmr.c).

On the other hand, the parallel method in IPv6 does **not** performs
such action, as can be seen
from ip6_mroute_setsockopt() in net/ipv6/ip6mr.c.

My question is : is there any special for it to be so? (In case it
should be also in IPv6, I will happy to send such a patch).

Best Regards,
DS
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