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Commit 2b4636a5 authored by Sangtae Ha's avatar Sangtae Ha Committed by David S. Miller
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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: default avatarSangtae Ha <sangtae.ha@gmail.com>
Acked-by: default avatarStephen Hemminger <shemminger@vyatta.com>
Reported-by: default avatarLucas Nussbaum <lucas.nussbaum@loria.fr>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 3b585b34
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+1 −1
Original line number Original line Diff line number Diff line
@@ -39,7 +39,7 @@


/* Number of delay samples for detecting the increase of delay */
/* Number of delay samples for detecting the increase of delay */
#define HYSTART_MIN_SAMPLES	8
#define HYSTART_MIN_SAMPLES	8
#define HYSTART_DELAY_MIN	(2U<<3)
#define HYSTART_DELAY_MIN	(4U<<3)
#define HYSTART_DELAY_MAX	(16U<<3)
#define HYSTART_DELAY_MAX	(16U<<3)
#define HYSTART_DELAY_THRESH(x)	clamp(x, HYSTART_DELAY_MIN, HYSTART_DELAY_MAX)
#define HYSTART_DELAY_THRESH(x)	clamp(x, HYSTART_DELAY_MIN, HYSTART_DELAY_MAX)