[Bridge] [PATCH v2 net-next 04/11] net: bridge: offload initial and final port flags through switchdev

Ido Schimmel idosch at idosch.org
Tue Feb 9 18:51:00 UTC 2021

On Tue, Feb 09, 2021 at 05:19:29PM +0200, Vladimir Oltean wrote:
> So switchdev drivers operating in standalone mode should disable address
> learning. As a matter of practicality, we can reduce code duplication in
> drivers by having the bridge notify through switchdev of the initial and
> final brport flags. Then, drivers can simply start up hardcoded for no
> address learning (similar to how they already start up hardcoded for no
> forwarding), then they only need to listen for
> SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS and their job is basically done, no
> need for special cases when the port joins or leaves the bridge etc.

How are you handling the case where a port leaves a LAG that is linked
to a bridge? In this case the port becomes a standalone port, but will
not get this notification.

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