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Commit 597811ec authored by Stephen Hemminger's avatar Stephen Hemminger Committed by David S. Miller
Browse files

[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: default avatarStephen Hemminger <shemminger@osdl.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 3d2573f7

net/ipv4/Kconfig

+6 −6
Original line number Diff line number Diff line
@@ -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"