[Bridge] [PATCH net] net: mrp: use stp state as substitute for unimplemented mrp state

Vladimir Oltean vladimir.oltean at nxp.com
Mon Jan 18 19:46:33 UTC 2021


On Mon, Jan 18, 2021 at 07:56:18PM +0100, Horatiu Vultur wrote:
> The reason was to stay away from STP, because you can't run these two
> protocols at the same time. Even though in SW, we reuse port's state.
> In our driver(which is not upstreamed), we currently implement
> SWITCHDEV_ATTR_ID_MRP_PORT_STATE and just call the
> SWITCHDEV_ATTR_ID_PORT_STP_STATE.

And isn't Rasmus's approach reasonable, in that it allows unmodified
switchdev drivers to offload MRP port states without creating
unnecessary code churn?

Also, if it has no in-kernel users, why does it even exist as a
switchdev attribute?


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