netdev - Re: [PATCH] mt7530 fix mt7530_fdb

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Date:   Fri, 16 Jul 2021 17:32:29 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     ericwouds@...il.com
Cc:     Sean Wang <sean.wang@...iatek.com>,
        Landen Chao <Landen.Chao@...iatek.com>,
        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>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Eric Woudstra <37153012+ericwoud@...rs.noreply.github.com>,
        netdev@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mt7530 fix mt7530_fdb_write vid missing ivl bit

On Fri, Jul 16, 2021 at 05:22:11PM +0200, ericwouds@...il.com wrote:
> From: Eric Woudstra <37153012+ericwoud@...rs.noreply.github.com>
> 
> According to reference guides mt7530 (mt7620) and mt7531:
> 
> NOTE: When IVL is reset, MAC[47:0] and FID[2:0] will be used to 
> read/write the address table. When IVL is set, MAC[47:0] and CVID[11:0] 
> will be used to read/write the address table.
> 
> Since the function only fills in CVID and no FID, we need to set the
> IVL bit. The existing code does not set it.
> 
> This is a fix for the issue I dropped here earlier:
> 
> http://lists.infradead.org/pipermail/linux-mediatek/2021-June/025697.html
> 
> With this patch, it is now possible to delete the 'self' fdb entry
> manually. However, wifi roaming still has the same issue, the entry
> does not get deleted automatically. Wifi roaming also needs a fix
> somewhere else to function correctly in combination with vlan.
> 
> Signed-off-by: Eric Woudstra <37153012+ericwoud@...rs.noreply.github.com>

Hi Eric

We need a real email address in the Signed-off-by, and the noreply bit
makes me think this will not work.

      Andrew