linux-kernel - Re: [PATCH net-next 0/7] VLAN improvements for Ocelot switch

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Date:   Mon, 2 Nov 2020 17:10:39 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Vladimir Oltean <vladimir.oltean@....com>
Cc:     Microchip Linux Driver Support <UNGLinuxDriver@...rochip.com>,
        Claudiu Manoil <claudiu.manoil@....com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next 0/7] VLAN improvements for Ocelot switch

On Sat, 31 Oct 2020 12:29:09 +0200 Vladimir Oltean wrote:
> The main reason why I started this work is that deleting the bridge mdb
> entries fails when the bridge is deleted, as described here:
> https://lore.kernel.org/netdev/20201015173355.564934-1-vladimir.oltean@nxp.com/
> 
> In short, that happens because the bridge mdb entries are added with a
> vid of 1, but deletion is attempted with a vid of 0. So the deletion
> code fails to find the mdb entries.
> 
> The solution is to make ocelot use a pvid of 0 when it is under a bridge
> with vlan_filtering 0. When vlan_filtering is 1, the pvid of the bridge
> is what is programmed into the hardware.
> 
> The patch series also uncovers more bugs and does some more cleanup, but
> the above is the main idea behind it.

Applied, thanks!