netdev - Re: [PATCH net-next] net: dsa: mt7530: manually set up VLAN ID 0

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Message-ID: <92f006f1-bcd2-1d27-3f46-491242565e0b@gmail.com>
Date:   Tue, 24 Aug 2021 21:11:02 +0200
From:   Florian Fainelli <f.fainelli@...il.com>
To:     DENG Qingfang <dqfext@...il.com>,
        Sean Wang <sean.wang@...iatek.com>,
        Landen Chao <Landen.Chao@...iatek.com>,
        Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Vladimir Oltean <olteanv@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Russell King <linux@...linux.org.uk>,
        "open list:MEDIATEK SWITCH DRIVER" <netdev@...r.kernel.org>,
        "moderated list:ARM/Mediatek SoC support" 
        <linux-arm-kernel@...ts.infradead.org>,
        "moderated list:ARM/Mediatek SoC support" 
        <linux-mediatek@...ts.infradead.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH net-next] net: dsa: mt7530: manually set up VLAN ID 0



On 8/24/2021 6:52 PM, DENG Qingfang wrote:
> The driver was relying on dsa_slave_vlan_rx_add_vid to add VLAN ID 0. After
> the blamed commit, VLAN ID 0 won't be set up anymore, breaking software
> bridging fallback on VLAN-unaware bridges.
> 
> Manually set up VLAN ID 0 to fix this.
> 
> Fixes: 06cfb2df7eb0 ("net: dsa: don't advertise 'rx-vlan-filter' when not needed")
> Signed-off-by: DENG Qingfang <dqfext@...il.com>

Reviewed-by: Florian Fainelli <f.fainelli@...il.com>
-- 
Florian