Re: [Qemu-devel] vhost-net - virtio - multiqueue - rx queue selection

[Stefan Hajnoczi]

On Thu, Apr 20, 2017 at 10:07:33AM +0530, Sujith Sankar wrote:
> I have a question regarding the algorithm used to select rx queue of
> the VM in the case of multiqueue virtio-net on KVM.
> 
> Given a 4-tuple, how can we calculate the index of the receive queue
> that virtio-net is going pick for that flow?  From some of the email
> threads in some of the relevant forums, it seems RSS is not used.  But
> documentations/threads do not talk about how a queue is picked.
> 
> Could you please help me with this?

CCing Jason Wang, QEMU net maintainer.

Stefan

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