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由 Tobias Waldekranz 提交于
This is useful for switchdev drivers who are offloading MST states into hardware. As an example, a driver may wish to flush the FDB for a port when it transitions from forwarding to blocking - which means that the previous state must be discoverable. Signed-off-by: NTobias Waldekranz <tobias@waldekranz.com> Reviewed-by: NVladimir Oltean <olteanv@gmail.com> Acked-by: NNikolay Aleksandrov <razor@blackwall.org> Signed-off-by: NJakub Kicinski <kuba@kernel.org>
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