linux-kernel - Re: [PATCH] mt7530 fix mt7530_fdb

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Date:   Sat, 17 Jul 2021 23:41:31 +0800
From:   DENG Qingfang <dqfext@...il.com>
To:     Eric Woudstra <ericwouds@...il.com>
Cc:     Vladimir Oltean <olteanv@...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>,
        Florian Fainelli <f.fainelli@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        netdev@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Frank Wunderlich <frank-w@...lic-files.de>
Subject: Re: [PATCH] mt7530 fix mt7530_fdb_write vid missing ivl bit

On Sat, Jul 17, 2021 at 10:09:53AM +0200, Eric Woudstra wrote:
> 
> You are right now there is a problem with vlan unaware bridge.
> 
> We need to change the line to:
> 
> if (vid > 1) reg[1] |= ATA2_IVL;

Does it not work with vid 1?

> 
> I have just tested this with a vlan unaware bridge and also with vlan bridge option disabled in the kernel. Only after applying the if statement it works for vlan unaware bridges/kernel.