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From: Stefan Hajnoczi <stefanha@gmail.com>
To: Sujith Sankar <ssujith@avinetworks.com>
Cc: qemu-devel@nongnu.org, Jason Wang <jasowang@redhat.com>
Subject: Re: [Qemu-devel] vhost-net - virtio - multiqueue - rx queue selection
Date: Tue, 2 May 2017 14:07:25 +0100	[thread overview]
Message-ID: <20170502130725.GC22502@stefanha-x1.localdomain> (raw)
In-Reply-To: <CADuF=xUDDOoMeVvPdH3BeqOnG+RONgwyzP5aj1kDeoYL97BtOw@mail.gmail.com>

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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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  reply	other threads:[~2017-05-02 13:07 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-20  4:37 [Qemu-devel] vhost-net - virtio - multiqueue - rx queue selection Sujith Sankar
2017-05-02 13:07 ` Stefan Hajnoczi [this message]
2017-05-03 11:51   ` Jason Wang

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