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Date:   Mon, 19 Oct 2020 17:13:52 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Andrew Lunn <andrew@...n.ch>
Cc:     Vladimir Oltean <vladimir.oltean@....com>, netdev@...r.kernel.org,
        f.fainelli@...il.com, vivien.didelot@...il.com
Subject: Re: [PATCH net] net: dsa: reference count the host mdb addresses

On Tue, 20 Oct 2020 02:07:46 +0200 Andrew Lunn wrote:
> On Mon, Oct 19, 2020 at 04:55:14PM -0700, Jakub Kicinski wrote:
> > On Fri, 16 Oct 2020 00:27:11 +0300 Vladimir Oltean wrote:  
> > > Currently any DSA switch that implements the multicast ops (properly,
> > > that is) gets these errors after just sitting for a while, with at least
> > > 2 ports bridged:
> > > 
> > > [  286.013814] mscc_felix 0000:00:00.5 swp3: failed (err=-2) to del object (id=3)
> > > 
> > > The reason has to do with this piece of code:
> > > 
> > > 	netdev_for_each_lower_dev(dev, lower_dev, iter)
> > > 		br_mdb_switchdev_host_port(dev, lower_dev, mp, type);  
> > 
> > We need a review on this one, anyone?  
> 
> Hi Jakub
> 
> Thanks for the reminder. It has been on my TODO list since i got back
> from vacation.

Good to have you back! :)

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