linux-kernel - Re: [PATCH net-next 3/3] net: dsa: mv88e6xxx: mac-auth/MAB implementation

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Message-ID: <7c7986329901730416b1505535ec3d36@kapio-technology.com>
Date:   Thu, 08 Dec 2022 17:03:59 +0100
From:   netdev@...io-technology.com
To:     Vladimir Oltean <olteanv@...il.com>
Cc:     Ido Schimmel <idosch@...sch.org>, davem@...emloft.net,
        kuba@...nel.org, netdev@...r.kernel.org,
        Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH net-next 3/3] net: dsa: mv88e6xxx: mac-auth/MAB
 implementation

On 2022-12-08 14:35, Vladimir Oltean wrote:
> 
> So it appears that frames which get a VTU miss will still also cause an
> ATU miss, and that's what you're seeing.
> 
> The solution would be to acknowledge this fact, and not print any error
> message from the ATU IRQ handler for unknown FID/VID, which would just
> alarm the user.

Thanks for clearing that up!

At leisure, do you have an idea why it will encounter a VTU miss 
violation at random?

I guess I must check if FID != FID_STANDALONE instead then...