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Date:   Tue, 14 Apr 2020 16:16:11 +0200
From:   Andrew Lunn <>
To:     Florian Fainelli <>
        Vivien Didelot <>,
        open list <>,,
Subject: Re: [PATCH net 4/4] net: dsa: b53: Rework ARL bin logic

On Mon, Apr 13, 2020 at 09:16:30PM -0700, Florian Fainelli wrote:
> When asking the ARL to read a MAC address, we will get a number of bins
> returned in a single read. Out of those bins, there can essentially be 3
> states:
> - all bins are full, we have no space left, and we can either replace an
>   existing address or return that full condition
> - the MAC address was found, then we need to return its bin index and
>   modify that one, and only that one
> - the MAC address was not found and we have a least one bin free, we use
>   that bin index location then
> The code would unfortunately fail on all counts.
> Fixes: 1da6df85c6fb ("net: dsa: b53: Implement ARL add/del/dump operations")
> Signed-off-by: Florian Fainelli <>

Reviewed-by: Andrew Lunn <>


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