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01683a1469
Extend struct tcf_walker with additional 'cookie' field. It is intended to be used by classifier walk implementations to continue iteration directly from particular filter, instead of iterating 'skip' number of times. Change flower walk implementation to save filter handle in 'cookie'. Each time flower walk is called, it looks up filter with saved handle directly with idr, instead of iterating over filter linked list 'skip' number of times. This change improves complexity of dumping flower classifier from quadratic to linearithmic. (assuming idr lookup has logarithmic complexity) Reviewed-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Vlad Buslov <vladbu@mellanox.com> Reported-by: Simon Horman <simon.horman@netronome.com> Reviewed-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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