diff options
| author | Sangtae Ha <sangtae.ha@gmail.com> | 2011-03-14 08:52:17 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-03-14 23:54:42 +0100 |
| commit | 2b4636a5f8ca547000f6aba24ec1c58f31f4a91d (patch) | |
| tree | 4b46132a943bab1edaf61ac49b96d45dfc8907e2 /net | |
| parent | tcp_cubic: enable high resolution ack time if needed (diff) | |
| download | linux-2b4636a5f8ca547000f6aba24ec1c58f31f4a91d.tar.xz linux-2b4636a5f8ca547000f6aba24ec1c58f31f4a91d.zip | |
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>
Diffstat (limited to 'net')
| -rw-r--r-- | 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 5e0491d742ca..7172c129ff19 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) |