Re: [PATCH v2 net-next 2/2] net: dsa: lan9303: Learn addresses on CPU port when bridged

From: Andrew Lunn
Date: Thu Oct 26 2017 - 10:38:41 EST


On Thu, Oct 26, 2017 at 11:00:49AM +0200, Egil Hjelmeland wrote:
> When CPU transmit directly to port using tag, the LAN9303 does not
> learn MAC addresses received on the CPU port into the ALR.
> ALR learning is performed only when transmitting using ALR lookup.
>
> Solution:
> If the two external ports are bridged and the packet is not STP BPDU,
> then use ALR lookup to allow ALR learning on CPU port.
> Otherwise transmit directly to port with STP state override.
>
> Signed-off-by: Egil Hjelmeland <privat@xxxxxxxxxxxxxxxxxx>

Reviewed-by: Andrew Lunn <andrew@xxxxxxx>

Andrew