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Commit 127af0c4 authored by Ilpo Järvinen's avatar Ilpo Järvinen Committed by David S. Miller
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[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: default avatarIlpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 4dc2665e

Documentation/networking/ip-sysctl.txt

+4 −1
Original line number Diff line number Diff line
@@ -183,7 +183,10 @@ tcp_frto - BOOLEAN 
	Enables F-RTO, an enhanced recovery algorithm for TCP retransmission

	timeouts.  It is particularly beneficial in wireless environments

	where packet loss is typically due to random radio interference

	rather than intermediate router congestion.

	rather than intermediate router congestion. If set to 1, basic

	version is enabled. 2 enables SACK enhanced FRTO, which is

	EXPERIMENTAL. The basic version can be used also when SACK is

	enabled for a flow through tcp_sack sysctl.



tcp_keepalive_time - INTEGER

	How often TCP sends out keepalive messages when keepalive is enabled.