diff options
| author | Sangtae Ha <sangtae.ha@gmail.com> | 2011-03-14 03:52:17 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-03-14 18:54:42 -0400 |
| commit | 2b4636a5f8ca547000f6aba24ec1c58f31f4a91d (patch) | |
| tree | 4b46132a943bab1edaf61ac49b96d45dfc8907e2 /net/ipv4 | |
| parent | 3b585b34493ec9db382d6c325d4ed77b9eb2d2a5 (diff) | |
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/ipv4')
| -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 @@ | |||
| 39 | 39 | ||
| 40 | /* Number of delay samples for detecting the increase of delay */ | 40 | /* Number of delay samples for detecting the increase of delay */ |
| 41 | #define HYSTART_MIN_SAMPLES 8 | 41 | #define HYSTART_MIN_SAMPLES 8 |
| 42 | #define HYSTART_DELAY_MIN (2U<<3) | 42 | #define HYSTART_DELAY_MIN (4U<<3) |
| 43 | #define HYSTART_DELAY_MAX (16U<<3) | 43 | #define HYSTART_DELAY_MAX (16U<<3) |
| 44 | #define HYSTART_DELAY_THRESH(x) clamp(x, HYSTART_DELAY_MIN, HYSTART_DELAY_MAX) | 44 | #define HYSTART_DELAY_THRESH(x) clamp(x, HYSTART_DELAY_MIN, HYSTART_DELAY_MAX) |
| 45 | 45 | ||