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authorDavid S. Miller <davem@davemloft.net>2005-06-24 18:07:51 -0700
committerDavid S. Miller <davem@davemloft.net>2005-06-24 18:07:51 -0700
commita6484045fdd4154f8c8ee8c1dda4e32854c047e0 (patch)
tree0193c459be988a1c151cf7340a27f893adbf8e70 /net
parentbb298ca3ce92574d57c4e49b329421425ea7d279 (diff)
downloadop-kernel-dev-a6484045fdd4154f8c8ee8c1dda4e32854c047e0.zip
op-kernel-dev-a6484045fdd4154f8c8ee8c1dda4e32854c047e0.tar.gz
[TCP]: Do not present confusing congestion control options by default.
Create TCP_CONG_ADVANCED option, akin to IP_ADVANCED_ROUTER, which when disabled will bypass all of the congestion control Kconfig options and leave the user with a safe default. That safe default is currently BIC-TCP with new Reno as a fallback. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/ipv4/Kconfig20
1 files changed, 19 insertions, 1 deletions
diff --git a/net/ipv4/Kconfig b/net/ipv4/Kconfig
index 7bcfb84..3470834 100644
--- a/net/ipv4/Kconfig
+++ b/net/ipv4/Kconfig
@@ -445,9 +445,22 @@ config IP_TCPDIAG
config IP_TCPDIAG_IPV6
def_bool (IP_TCPDIAG=y && IPV6=y) || (IP_TCPDIAG=m && IPV6)
+config TCP_CONG_ADVANCED
+ bool "TCP: advanced congestion control"
+ depends on INET
+ default y
+ ---help---
+ Support for selection of various TCP congestion control
+ 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).
+
+ If unsure, say N.
+
# TCP Reno is builtin (required as fallback)
menu "TCP congestion control"
- depends on INET
+ depends on TCP_CONG_ADVANCED
config TCP_CONG_BIC
tristate "Binary Increase Congestion (BIC) control"
@@ -535,5 +548,10 @@ config TCP_CONG_SCALABLE
endmenu
+config TCP_CONG_BIC
+ boolean
+ depends on !TCP_CONG_ADVANCED
+ default y
+
source "net/ipv4/ipvs/Kconfig"
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