netdev - Re: [PATCH v1 2/8] net: dsa: Add DSA driver for Hirschmann Hellcreek switches

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Date:   Thu, 16 Jul 2020 12:39:24 +0300
From:   Vladimir Oltean <olteanv@...il.com>
To:     Kurt Kanzenbach <kurt@...utronix.de>
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, netdev@...r.kernel.org,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        Richard Cochran <richardcochran@...il.com>,
        Kamil Alkhouri <kamil.alkhouri@...offenburg.de>,
        ilias.apalodimas@...aro.org
Subject: Re: [PATCH v1 2/8] net: dsa: Add DSA driver for Hirschmann Hellcreek
 switches

On Thu, Jul 16, 2020 at 11:23:26AM +0200, Kurt Kanzenbach wrote:
> 
> As far as I know there is no port forwarding matrix. Traffic is
> forwarded between the ports when they're members of the same
> vlan. That's why I created them by default.
> 

And your hardware doesn't have ACL support, does it (from the fact that
you're installing PTP traps via the FDB, I would say no)? You could have
added a match-all entry on all traffic coming from a certain source
port, and a 'redirect-to-cpu' action. This would have also achieved port
separation in standalone mode.

-Vladimir