netdev - Re: [PATCH RFC] tun: export underlying socket

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Message-ID: <20090914080923.GC14030@redhat.com>
Date:	Mon, 14 Sep 2009 11:09:23 +0300
From:	"Michael S. Tsirkin" <mst@...hat.com>
To:	Or Gerlitz <or.gerlitz@...il.com>
Cc:	David Miller <davem@...emloft.net>, netdev@...r.kernel.org,
	herbert@...dor.apana.org.au, Or Gerlitz <ogerlitz@...taire.com>
Subject: Re: [PATCH RFC] tun: export underlying socket

On Mon, Sep 14, 2009 at 11:07:25AM +0300, Or Gerlitz wrote:
> On 9/10/09, Michael S. Tsirkin <mst@...hat.com> wrote:
> >  This way, code using raw sockets to inject packets into a physical device,
> >  can support injecting packets into host network stack almost without modification.
> >  First user of this interface will be vhost virtualization accelerator.
> 
> vhost injects packet into physical device, what is the use case of
> vhost injecting packet into the host network stack?

The case where the user requires bridging, typically.

> Or.
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