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Date: Thu, 23 Jul 2015 12:57:58 +0100
From: Stefan Hajnoczi <stefanha@redhat.com>
Message-ID: <20150723115758.GA16243@stefanha-thinkpad.redhat.com>
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In-Reply-To: <55AFAF4C.4060704@cn.fujitsu.com>
Subject: Re: [Qemu-devel] [PATCH] RFC/net: Add a net filter
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To: Yang Hongyang <yanghy@cn.fujitsu.com>
Cc: Thomas Huth <thuth@redhat.com>, Stefan Hajnoczi <stefanha@gmail.com>, Jason Wang <jasowang@redhat.com>, qemu-devel <qemu-devel@nongnu.org>


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On Wed, Jul 22, 2015 at 10:57:16PM +0800, Yang Hongyang wrote:
> Hi Stefan,
>=20
> On 07/22/2015 09:26 PM, Stefan Hajnoczi wrote:
> >On Wed, Jul 22, 2015 at 11:55 AM, Yang Hongyang <yanghy@cn.fujitsu.com> =
wrote:
> >>This patch add a net filter between network backend and NIC devices.
> >>All packets will pass by this filter.
> >>TODO:
> >>  multiqueue support.
> >>  plugin support.
> >
> >What do you mean by plugin?
> >
>=20
> A filter without plugin supplied will do nothing except pass by all packe=
ts, a
> plugin like dump for example, will dump all packets into a file. Or other
> plugins like a netbuffer plugin, will simply buffer the packets, release
> the packets when needed. However, these are my thoughts about the usecase,
> there might be more usecase about this.

Thanks, I understand.

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