netdev - RE: [PATCH v2 net-next 0/7] dpaa2-eth: add support for Rx traffic classes

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Date:   Fri, 15 May 2020 19:31:18 +0000
From:   Ioana Ciornei <ioana.ciornei@....com>
To:     Jakub Kicinski <kuba@...nel.org>
CC:     "davem@...emloft.net" <davem@...emloft.net>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: RE: [PATCH v2 net-next 0/7] dpaa2-eth: add support for Rx traffic
 classes

> Subject: Re: [PATCH v2 net-next 0/7] dpaa2-eth: add support for Rx traffic
> classes
> 
> On Fri, 15 May 2020 21:47:46 +0300 Ioana Ciornei wrote:
> > This patch set adds support for Rx traffic classes on DPAA2 Ethernet
> > devices.
> >
> > The first two patches make the necessary changes so that multiple
> > traffic classes are configured and their statistics are displayed in
> > the debugfs. The third patch adds a static distribution to said
> > traffic classes based on the VLAN PCP field.
> >
> > The last patches add support for the congestion group taildrop
> > mechanism that allows us to control the number of frames that can
> > accumulate on a group of Rx frame queues belonging to the same traffic class.
> 
> Ah, I miseed you already sent a v2. Same question applies:
> 
> > How is this configured from the user perspective? I looked through the
> > patches and I see no information on how the input is taken from the
> > user.

There is no input taken from the user at the moment. The traffic class id is statically selected based on the VLAN PCP field. The configuration for this is added in patch 3/7.

Ioana