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To remove dependency on rtnl lock, extend classifier ops with new ops->hw_add() and ops->hw_del() callbacks. Call them from cls API while holding cb_lock every time filter if successfully added to or deleted from hardware. Implement the new API in flower classifier. Use it to manage hw_filters list under cb_lock protection, instead of relying on rtnl lock to synchronize with concurrent fl_reoffload() call. Signed-off-by: Vlad Buslov <vladbu@mellanox.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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