From: Felix Fietkau <nbd@openwrt.org>
Date: Wed, 27 Jun 2012 22:32:44 +0000 (+0000)
Subject: base-files: enable TCP timestamps, enable sack/dsack. (patch by Dave Täht)
X-Git-Tag: reboot~13508
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=6c2a29524559d0eeea21142475d49511f7b83f91;p=oweals%2Fopenwrt.git

base-files: enable TCP timestamps, enable sack/dsack. (patch by Dave Täht)

A year of testing in the cerowrt project shows not using timestamps
to be a very bad idea in nearly any TCP at speeds above a few Mbit.

Lastly sack/dsack help on recovery from larger amounts of packet
loss.

SVN-Revision: 32513
---

diff --git a/package/base-files/files/etc/sysctl.conf b/package/base-files/files/etc/sysctl.conf
index 2d970008fb..b39bc5747f 100644
--- a/package/base-files/files/etc/sysctl.conf
+++ b/package/base-files/files/etc/sysctl.conf
@@ -8,7 +8,9 @@ net.ipv4.tcp_ecn=0
 net.ipv4.tcp_fin_timeout=30
 net.ipv4.tcp_keepalive_time=120
 net.ipv4.tcp_syncookies=1
-net.ipv4.tcp_timestamps=0
+net.ipv4.tcp_timestamps=1
+net.ipv4.tcp_sack=1
+net.ipv4.tcp_dsack=1
 
 net.ipv4.netfilter.ip_conntrack_checksum=0
 net.ipv4.netfilter.ip_conntrack_max=16384