netdev - Re: namespace support requires network modules to say "GPL"

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Message-ID: <m1bq96w7bf.fsf@ebiederm.dsl.xmission.com>
Date:	Tue, 04 Dec 2007 13:09:24 -0700
From:	ebiederm@...ssion.com (Eric W. Biederman)
To:	Ben Greear <greearb@...delatech.com>
Cc:	Daniel Lezcano <daniel.lezcano@...e.fr>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, containers@...ts.osdl.org,
	Mark Lord <lkml@....ca>,
	Stephen Hemminger <shemminger@...ux-foundation.org>,
	David Miller <davem@...emloft.net>
Subject: Re: namespace support requires network modules to say "GPL"

Ben Greear <greearb@...delatech.com> writes:

> Ok, but can a netdev at least know what namespace it is in?  I don't
> need this for my module, but it seems very useful knowledge...

Sure.   dev->nd_net
It is a don't care not a don't know, and there should be device
events when it goes in and out of a network namespace.

I don't know if the device gets those or not.

Eric
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