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Date:   Tue, 18 Feb 2020 16:00:08 -0800
From:   Florian Fainelli <f.fainelli@...il.com>
To:     Russell King - ARM Linux admin <linux@...linux.org.uk>,
        Andrew Lunn <andrew@...n.ch>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Ido Schimmel <idosch@...sch.org>,
        Vivien Didelot <vivien.didelot@...il.com>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Ivan Vecera <ivecera@...hat.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Jiri Pirko <jiri@...nulli.us>, netdev@...r.kernel.org
Subject: Re: [PATCH net-next 0/3] VLANs, DSA switches and multiple bridges

On 2/18/20 3:45 AM, Russell King - ARM Linux admin wrote:
> Hi,
> 
> This is a repost of the previously posted RFC back in December, which
> did not get fully reviewed.  I've dropped the RFC tag this time as no
> one really found anything too problematical in the RFC posting.
> 
> I've been trying to configure DSA for VLANs and not having much success.
> The setup is quite simple:
> 
> - The main network is untagged
> - The wifi network is a vlan tagged with id $VN running over the main
>   network.
> 
> I have an Armada 388 Clearfog with a PCIe wifi card which I'm trying to
> setup to provide wifi access to the vlan $VN network, while the switch
> is also part of the main network.

Why not just revert 2ea7a679ca2abd251c1ec03f20508619707e1749 ("net: dsa:
Don't add vlans when vlan filtering is disabled")? If a driver wants to
veto the programming of VLANs while it has ports enslaved to a bridge
that does not have VLAN filtering, it should have enough information to
not do that operation.
-- 
Florian

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