netdev - Re: NAPI on USB network drivers

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Message-ID: <e05c5a7f-6eca-a77e-8ab2-95dd595ff7c9@hartkopp.net>
Date:   Thu, 26 Jan 2017 19:59:43 +0100
From:   Oliver Hartkopp <socketcan@...tkopp.net>
To:     Alexander Duyck <alexander.duyck@...il.com>
Cc:     Hayes Wang <hayeswang@...ltek.com>,
        Oliver Neukum <oneukum@...e.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>
Subject: Re: NAPI on USB network drivers

On 01/25/2017 09:57 PM, Alexander Duyck wrote:
> On Wed, Jan 25, 2017 at 5:33 AM, Oliver Hartkopp <socketcan@...tkopp.net> wrote:
>
> You could probably get around the o-o-o problem by enabling RPS for
> the interface.  I have found that it works for me to do that in order
> to resolve o-o-o frames generated by VMs on virtual interfaces that
> can't use NAPI.

Sounds promising!

In fact I tried to fix this o-o-o stuff here:

http://marc.info/?l=linux-can&m=143637774606287&w=2

Do you have an example how to do it right?

Best regards,
Oliver