netdev - Re: [PATCH net-next v6 2/7] net: dsa: Add DSA driver for Hirschmann Hellcreek switches

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Message-ID: <20201006135631.73rm3gka7r7krwca@skbuf>
Date:   Tue, 6 Oct 2020 16:56:31 +0300
From:   Vladimir Oltean <olteanv@...il.com>
To:     Kurt Kanzenbach <kurt@...utronix.de>
Cc:     Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Florian Fainelli <f.fainelli@...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 net-next v6 2/7] net: dsa: Add DSA driver for Hirschmann
 Hellcreek switches

On Tue, Oct 06, 2020 at 03:23:36PM +0200, Kurt Kanzenbach wrote:
> So you're saying private VLANs can be used but the user or the other
> kernel modules shouldn't be allowed to use them to simplify the
> implementation?  Makes sense to me.

It would be interesting to see if you could simply turn off VLAN
awareness in standalone mode, and still use unique pvids per port.
Then you would have no further restriction for VLAN-tagged traffic with
unknown VLANs or with 8021q uppers having the same VLAN ID on multiple
ports.