linux-kernel - Re: [PATCH net] net: dsa: mt7530: don't change PVC_EG

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Date:   Tue, 07 Feb 2023 11:00:17 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Vladimir Oltean <vladimir.oltean@....com>
Cc:     netdev@...r.kernel.org, davem@...emloft.net, edumazet@...gle.com,
        kuba@...nel.org, pabeni@...hat.com, sean.wang@...iatek.com,
        Landen.Chao@...iatek.com, dqfext@...il.com, andrew@...n.ch,
        f.fainelli@...il.com, matthias.bgg@...il.com,
        angelogioacchino.delregno@...labora.com,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, frank-w@...lic-files.de
Subject: Re: [PATCH net] net: dsa: mt7530: don't change PVC_EG_TAG when CPU port
 becomes VLAN-aware

Hello:

This patch was applied to netdev/net.git (master)
by Paolo Abeni <pabeni@...hat.com>:

On Sun,  5 Feb 2023 16:07:13 +0200 you wrote:
> Frank reports that in a mt7530 setup where some ports are standalone and
> some are in a VLAN-aware bridge, 8021q uppers of the standalone ports
> lose their VLAN tag on xmit, as seen by the link partner.
> 
> This seems to occur because once the other ports join the VLAN-aware
> bridge, mt7530_port_vlan_filtering() also calls
> mt7530_port_set_vlan_aware(ds, cpu_dp->index), and this affects the way
> that the switch processes the traffic of the standalone port.
> 
> [...]

Here is the summary with links:
  - [net] net: dsa: mt7530: don't change PVC_EG_TAG when CPU port becomes VLAN-aware
    https://git.kernel.org/netdev/net/c/0b6d6425103a

You are awesome, thank you!
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