Re: [PATCH v3 net-next 7/7] net: dsa: ocelot: request DSA to fix up lack of address learning on CPU port

[Andrew Lunn]

On Sun, Dec 13, 2020 at 04:07:10PM +0200, Vladimir Oltean wrote:
> Given the following setup:
> 
> ip link add br0 type bridge
> ip link set eno0 master br0
> ip link set swp0 master br0
> ip link set swp1 master br0
> ip link set swp2 master br0
> ip link set swp3 master br0
> 
> Currently, packets received on a DSA slave interface (such as swp0)
> which should be routed by the software bridge towards a non-switch port
> (such as eno0) are also flooded towards the other switch ports (swp1,
> swp2, swp3) because the destination is unknown to the hardware switch.
> 
> This patch addresses the issue by monitoring the addresses learnt by the
> software bridge on eno0, and adding/deleting them as static FDB entries
> on the CPU port accordingly.
> 
> Signed-off-by: Vladimir Oltean <vladimir.oltean@xxxxxxx>
> Reviewed-by: Florian Fainelli <f.fainelli@xxxxxxxxx>

Reviewed-by: Andrew Lunn <andrew@xxxxxxx>

    Andrew