[Bridge] Bridge port isolation offload

Vladimir Oltean olteanv at gmail.com
Tue Aug 10 10:42:51 UTC 2021


On Tue, Aug 10, 2021 at 12:40:49PM +0800, DENG Qingfang wrote:
> Hi,
> 
> Bridge port isolation flag (BR_ISOLATED) was added in commit
> 7d850abd5f4e. But switchdev does not offload it currently.
> It should be easy to implement in drivers, just like bridge offload
> but prevent isolated ports to communicate with each other.
> 
> Your thoughts?

If nothing else, do add BR_ISOLATED to BR_PORT_FLAGS_HW_OFFLOAD so that
switchdev drivers which have an offloaded data plane have a chance to
reject this new bridge port flag if they don't support it yet.


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