[TCP]: make cubic the default

Change default congestion control used from BIC to the newer CUBIC
which it the successor to BIC but has better properties over long delay links.

Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Stephen Hemminger 2006-09-24 20:13:03 -07:00 committed by David S. Miller
parent 3d2573f7eb
commit 597811ec16

View file

@ -455,7 +455,7 @@ menuconfig TCP_CONG_ADVANCED
modules.
Nearly all users can safely say no here, and a safe default
selection will be made (BIC-TCP with new Reno as a fallback).
selection will be made (CUBIC with new Reno as a fallback).
If unsure, say N.
@ -463,7 +463,7 @@ if TCP_CONG_ADVANCED
config TCP_CONG_BIC
tristate "Binary Increase Congestion (BIC) control"
default y
default m
---help---
BIC-TCP is a sender-side only change that ensures a linear RTT
fairness under large windows while offering both scalability and
@ -477,7 +477,7 @@ config TCP_CONG_BIC
config TCP_CONG_CUBIC
tristate "CUBIC TCP"
default m
default y
---help---
This is version 2.0 of BIC-TCP which uses a cubic growth function
among other techniques.
@ -574,7 +574,7 @@ config TCP_CONG_VENO
choice
prompt "Default TCP congestion control"
default DEFAULT_BIC
default DEFAULT_CUBIC
help
Select the TCP congestion control that will be used by default
for all connections.
@ -601,7 +601,7 @@ endchoice
endif
config TCP_CONG_BIC
config TCP_CONG_CUBIC
tristate
depends on !TCP_CONG_ADVANCED
default y
@ -614,7 +614,7 @@ config DEFAULT_TCP_CONG
default "vegas" if DEFAULT_VEGAS
default "westwood" if DEFAULT_WESTWOOD
default "reno" if DEFAULT_RENO
default "bic"
default "cubic"
source "net/ipv4/ipvs/Kconfig"