[PATCH 6/7] tcp_cubic: make the delay threshold of HyStart less sensitive

From: Sangtae Ha <redacted>

Make HyStart less sensitive to abrupt delay variations due to buffer bloat.

Signed-off-by: Sangtae Ha <redacted>
Acked-by: Stephen Hemminger <redacted>
Reported-by: Lucas Nussbaum <redacted>

---
 net/ipv4/tcp_cubic.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

--- a/net/ipv4/tcp_cubic.c	2011-03-14 08:27:24.435852847 -0700
+++ b/net/ipv4/tcp_cubic.c	2011-03-14 08:27:29.043872578 -0700

@@ -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)