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authorIlpo Järvinen <ilpo.jarvinen@helsinki.fi>2007-02-22 02:16:38 -0500
committerDavid S. Miller <davem@sunset.davemloft.net>2007-04-26 01:23:17 -0400
commit127af0c44fc916908abd145914d65b9fe598bcd7 (patch)
treed79b59f282431655d03cdd4587ef0d2fbe877c36 /Documentation/networking/ip-sysctl.txt
parent4dc2665e3634d720a62bd27128fc8781fcdad2dc (diff)
[TCP] FRTO: Sysctl documentation for SACK enhanced version
The description is overly verbose to avoid ambiguity between "SACK enabled" and "SACK enhanced FRTO" Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Documentation/networking/ip-sysctl.txt')
-rw-r--r--Documentation/networking/ip-sysctl.txt5
1 files changed, 4 insertions, 1 deletions
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index 702d1d8dd04a..719b42907314 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -183,7 +183,10 @@ tcp_frto - BOOLEAN
183 Enables F-RTO, an enhanced recovery algorithm for TCP retransmission 183 Enables F-RTO, an enhanced recovery algorithm for TCP retransmission
184 timeouts. It is particularly beneficial in wireless environments 184 timeouts. It is particularly beneficial in wireless environments
185 where packet loss is typically due to random radio interference 185 where packet loss is typically due to random radio interference
186 rather than intermediate router congestion. 186 rather than intermediate router congestion. If set to 1, basic
187 version is enabled. 2 enables SACK enhanced FRTO, which is
188 EXPERIMENTAL. The basic version can be used also when SACK is
189 enabled for a flow through tcp_sack sysctl.
187 190
188tcp_keepalive_time - INTEGER 191tcp_keepalive_time - INTEGER
189 How often TCP sends out keepalive messages when keepalive is enabled. 192 How often TCP sends out keepalive messages when keepalive is enabled.