netdev - Re: PATCH: Multicast: Filter multicast traffic per socket mc

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Message-ID: <alpine.DEB.1.10.0904171158220.13734@qirst.com>
Date:	Fri, 17 Apr 2009 12:02:19 -0400 (EDT)
From:	Christoph Lameter <cl@...ux.com>
To:	Nivedita Singhvi <niv@...ibm.com>
cc:	David Miller <davem@...emloft.net>, nhorman@...driver.com,
	netdev@...r.kernel.org, vladislav.yasevich@...com,
	dlstevens@...ibm.com
Subject: Re: PATCH: Multicast: Filter multicast traffic per socket mc_list

On Fri, 17 Apr 2009, Nivedita Singhvi wrote:

> I need the current behaviour to not change, as it would
> break some people I support.  DaveM is making the right
> decision here, and I fully support this.

People or applications? There are applications that only run on Linux and
fail on other OS? How does this work? Special casing depending on the OS
running?

> Ideally, you could tweak OS environment configuration
> setting, if you don't want per socket. But it cannot
> be the default.

Would you support an additional OS config variable that would set the
default for socket operations? Then we could have a per socket option that
would allow overriding the OS config variable?
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