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tcp_cubic: make the delay threshold of HyStart less sensitive

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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>
This commit is contained in:
Sangtae Ha 2011-03-14 07:52:17 +00:00 committed by David S. Miller
parent 3b585b3449
commit 2b4636a5f8
1 changed files with 1 additions and 1 deletions
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2
net/ipv4/tcp_cubic.c
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@ -39,7 +39,7 @@
/* Number of delay samples for detecting the increase of delay */
#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_THRESH(x) clamp(x, HYSTART_DELAY_MIN, HYSTART_DELAY_MAX)