net: sched: flower: set unlocked flag for flower proto ops
Set TCF_PROTO_OPS_DOIT_UNLOCKED for flower classifier to indicate that its ops callbacks don't require caller to hold rtnl lock. Don't take rtnl lock in fl_destroy_filter_work() that is executed on workqueue instead of being called by cls API and is not affected by setting TCF_PROTO_OPS_DOIT_UNLOCKED. Rtnl mutex is still manually taken by flower classifier before calling hardware offloads API that has not been updated for unlocked execution. Signed-off-by: Vlad Buslov <vladbu@mellanox.com> Reviewed-by: Stefano Brivio <sbrivio@redhat.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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