netdev - Re: Universal tap device

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Date:	Sun, 17 Feb 2013 10:35:20 +0100
From:	Jiri Pirko <jiri@...nulli.us>
To:	Arnd Bergmann <arnd@...db.de>
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

Sat, Feb 16, 2013 at 11:25:06PM CET, arnd@...db.de wrote:
>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?

Yep, but without netdev instance. That brings some issues. Maybe the
netdev instance should be there. Not sure.

>
>	Arnd
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