[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>

1 files changed, 6 insertions, 6 deletions

diff --git a/net/ipv4/Kconfig b/net/ipv4/Kconfig
index 1bbc3689cd8a..30af4a4dfcc8 100644
--- a/net/ipv4/Kconfig
+++ b/net/ipv4/Kconfig
@@ -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"