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Re: [PATCH] vhost: Add VIRTIO_NET_F_RSC_EXT to vhost feature bits
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From: |
Michael S. Tsirkin |
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Subject: |
Re: [PATCH] vhost: Add VIRTIO_NET_F_RSC_EXT to vhost feature bits |
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Date: |
Fri, 2 Aug 2024 09:17:21 -0400 |
On Fri, Aug 02, 2024 at 10:34:37AM +0300, Yuri Benditovich wrote:
> At the moment kernel (vhost) and vhost user backends do not support
> this feature (and IMO they do not need to)
> In order to support it they need to implement a) coalescing of
> segmented TCP packets and b) population of respective fields in
> host-to-guest packets (number of coalesced segments and counter of
> duplicated acks)
> Just to remind - this feature is intended to be used without vhost and
> without migration
>
> Thanks
> Yuri
it is off ny default so no big deal ...
if it's incompatiblr with vhost/migration I guess it is a good idea
to make sure users do not enable it like this.