tcp_cubic: make the delay threshold of HyStart less sensitive
Make HyStart less sensitive to abrupt delay variations due to buffer bloat. Signed-off-by: Sangtae Ha <sangtae.ha@gmail.com> Acked-by: Stephen Hemminger <shemminger@vyatta.com> Reported-by: Lucas Nussbaum <lucas.nussbaum@loria.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -39,7 +39,7 @@
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/* Number of delay samples for detecting the increase of delay */
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/* Number of delay samples for detecting the increase of delay */
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#define HYSTART_MIN_SAMPLES 8
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#define HYSTART_MIN_SAMPLES 8
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#define HYSTART_DELAY_MIN (2U<<3)
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#define HYSTART_DELAY_MIN (4U<<3)
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#define HYSTART_DELAY_MAX (16U<<3)
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#define HYSTART_DELAY_MAX (16U<<3)
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#define HYSTART_DELAY_THRESH(x) clamp(x, HYSTART_DELAY_MIN, HYSTART_DELAY_MAX)
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#define HYSTART_DELAY_THRESH(x) clamp(x, HYSTART_DELAY_MIN, HYSTART_DELAY_MAX)
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