linux-kernel - Re: [PATCH net-next v2 0/5] net: mvpp2: add debugfs interface

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Message-Id: <20180716.001018.1749913018733645131.davem@davemloft.net>
Date:   Mon, 16 Jul 2018 00:10:18 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     maxime.chevallier@...tlin.com
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        antoine.tenart@...tlin.com, thomas.petazzoni@...tlin.com,
        gregory.clement@...tlin.com, miquel.raynal@...tlin.com,
        nadavh@...vell.com, stefanc@...vell.com, ymarkman@...vell.com,
        mw@...ihalf.com
Subject: Re: [PATCH net-next v2 0/5] net: mvpp2: add debugfs interface

From: Maxime Chevallier <maxime.chevallier@...tlin.com>
Date: Sat, 14 Jul 2018 13:29:23 +0200

> The PPv2 Header Parser and Classifier are not straightforward to debug,
> having easy access to some of the many lookup tables configuration is
> helpful during development and debug.
> 
> This series adds a basic debugfs interface, allowing to read data from
> the Header Parser and some of the Classifier tables.
> 
> For now, the interface is read-only, and contains only some basic info.
> 
> This was actually used during RSS development, and might be useful to
> troubleshoot some issues we might find.
> 
> The first patch of the series converts the mvpp2 files to SPDX, which
> eases adding the new debugfs dedicated file.
> 
> The second patch adds the interface, and exposes basic Header Parser data.
> 
> The 3rd patch adds a hit counter for the Header Parser TCAM.
> 
> The 4th patch exposes classifier info.
> 
> The 5th patch adds some hit counters for some of the classifier engines.
> 
> Changes since V1:
> - Rebased on the lastest net-next
> - Made cls_flow_get non static so that it can be used in mvpp2_debugfs

Series applied.