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Re: [Qemu-devel] [PATCH v4 0/3] virtio-net: Add support to MTU feature
From: |
Daniel P. Berrange |
Subject: |
Re: [Qemu-devel] [PATCH v4 0/3] virtio-net: Add support to MTU feature |
Date: |
Mon, 12 Dec 2016 10:02:36 +0000 |
User-agent: |
Mutt/1.7.1 (2016-10-04) |
On Sat, Dec 10, 2016 at 04:30:35PM +0100, Maxime Coquelin wrote:
> Thanks for the reviews,
>
> This series implements Virtio spec update from Aaron Conole which
> defines a way for the host to expose its max MTU to the guest.
>
> "host_mtu" parameter is added to provide QEMU with the MTU value,
> and the backend, if supported, gets notified of the MTU value when the
> MTU feature neogotiation succeeds.
>
> Only user backend currently supports MTU notification. A new protocol
> feature has been implemented for sending MTU value to the backend.
>
> For kernel backend, it is expected the management tool also configures
> the tap/macvtap interface with same MTU value.
> Daniel, I would be interrested about your feedback on this implementation
> from management tool point of view.
I can't give real feedback yet, as I'm not seeing clear information on
what problem this series is designed to solve....
Regards,
Daniel
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