netdev - Re: [PATCH wpan-next v3 05/11] net: ieee802154: at86rf230: Assume invalid TRAC if not recognized

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Date:   Sun, 13 Mar 2022 16:06:47 -0400
From:   Alexander Aring <alex.aring@...il.com>
To:     Miquel Raynal <miquel.raynal@...tlin.com>
Cc:     Stefan Schmidt <stefan@...enfreihafen.org>,
        linux-wpan - ML <linux-wpan@...r.kernel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        "open list:NETWORKING [GENERAL]" <netdev@...r.kernel.org>,
        David Girault <david.girault@...vo.com>,
        Romuald Despres <romuald.despres@...vo.com>,
        Frederic Blain <frederic.blain@...vo.com>,
        Nicolas Schodet <nico@...fr.eu.org>,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>
Subject: Re: [PATCH wpan-next v3 05/11] net: ieee802154: at86rf230: Assume
 invalid TRAC if not recognized

Hi,

On Thu, Mar 3, 2022 at 1:25 PM Miquel Raynal <miquel.raynal@...tlin.com> wrote:
>
> The TRAC register gives the MAC error codes if any. If the TRAC register
> reports a value that is unknown, we should probably assume that it is
> invalid.
>

Can we instead revert 493bc90a9683 ("at86rf230: add debugfs support")
it was introduced because of some testing stuff with ack handling but
now we have an error. We might add a stats handling for such errors in
the 802.15.4 core in future to get it on a per neighbor basis.

- Alex