netdev - Re: [PATCH] mv88e6xxx: fixed adding vlan 0

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Date:   Mon, 21 Jun 2021 13:30:48 +0200
From:   Marek Behún <kabel@...nel.org>
To:     Eldar Gasanov <eldargasanov2@...il.com>
Cc:     netdev@...r.kernel.org, Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vladimir Oltean <olteanv@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
Subject: Re: [PATCH] mv88e6xxx: fixed adding vlan 0

On Mon, 21 Jun 2021 11:54:38 +0300
Eldar Gasanov <eldargasanov2@...il.com> wrote:

> 8021q module adds vlan 0 to all interfaces when it starts.
> When 8021q module is loaded it isn't possible to create bond
> with mv88e6xxx interfaces, bonding module dipslay error
> "Couldn't add bond vlan ids", because it tries to add vlan 0
> to slave interfaces.
> 
> There is unexpected behavior in the switch. When a PVID
> is assigned to a port the switch changes VID to PVID
> in ingress frames with VID 0 on the port. Expected
> that the switch doesn't assign PVID to tagged frames
> with VID 0. But there isn't a way to change this behavior
> in the switch.
> 
> Signed-off-by: Eldar Gasanov <eldargasanov2@...il.com>

Patch subject should be
  net: dsa: mv88e6xxx: Fix adding VLAN 0

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