[PATCH 2/3] tcp_cubic: make the delay threshold of HyStart less sensitive
From: Sangtae Ha <hidden>
Date: 2011-03-14 00:04:10
Subsystem:
networking [general], networking [tcp], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Neal Cardwell, Linus Torvalds
Make HyStart less sensitive to abrupt delay variations due to buffer bloat. Signed-off-by: Sangtae Ha <redacted> --- net/ipv4/tcp_cubic.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/net/ipv4/tcp_cubic.c b/net/ipv4/tcp_cubic.c
index ab9f888..b758db1 100644
--- a/net/ipv4/tcp_cubic.c
+++ b/net/ipv4/tcp_cubic.c@@ -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)
--
1.7.0.4