netdev - Re: multicasting netlink messages to groups

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Message-ID: <468BAADC.4030203@trash.net>
Date:	Wed, 04 Jul 2007 16:12:44 +0200
From:	Patrick McHardy <kaber@...sh.net>
To:	Johannes Berg <johannes@...solutions.net>
CC:	netdev <netdev@...r.kernel.org>, jamal <hadi@...erus.ca>,
	Thomas Graf <tgraf@...g.ch>
Subject: Re: multicasting netlink messages to groups > 31 from userspace

Johannes Berg wrote:
> Hey,
> 
> Looking through the code that uses NL_NONROOT_SEND I just realised that
> it's impossible to send multicast messages from userspace to multicast
> groups with IDs higher than 31. That's not really good given that
> everywhere else we handle multicast groups up to 2^32-1 :/


Why do you want to send to a multicast group from userspace?
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