netdev - Re: Universal tap device

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Message-Id: <201302162225.06536.arnd@arndb.de>
Date:	Sat, 16 Feb 2013 22:25:06 +0000
From:	Arnd Bergmann <arnd@...db.de>
To:	Jiri Pirko <jiri@...nulli.us>
Cc:	Jan Engelhardt <jengelh@...i.de>, netdev@...r.kernel.org,
	ebiederm@...ssion.com, stephen@...workplumber.org,
	eric.dumazet@...il.com, davem@...emloft.net
Subject: Re: Universal tap device

On Saturday 16 February 2013, Jiri Pirko wrote:
> Sat, Feb 16, 2013 at 05:46:25PM CET, jengelh@...i.de wrote:
> >On Saturday 2013-02-16 15:01, Jiri Pirko wrote:
> >
> >>Hi all.                                                                  
> >>                                                                         
> >>Looking at macvtap and thinking about the tap solutions in general,
> >>I think it would be handly to have some universal tap device.
> >
> >As in, allowing tuntap to register as an rx_handler for arbitrary
> >devices?
> 
> Essentially yes, but I was thinking without the actual netdev:
> not eth0 -> tap0 -> chardev
> but eth0 -> chardev
> 
> Not sure though if that is easily doable..

Isn't that the same as setting up macvtap in PASSTHRU mode?

	Arnd
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