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Commit 127af0c44fc916908abd145914d65b9fe598bcd7

Authored by Ilpo Järvinen
Committed by David S. Miller
1 parent 4dc2665e36

[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>

Showing 1 changed file with 4 additions and 1 deletions Side-by-side Diff

Documentation/networking/ip-sysctl.txt
Diff comments   View file @ 127af0c
... ... @@ -183,7 +183,10 @@
183 183 Enables F-RTO, an enhanced recovery algorithm for TCP retransmission
184 184 timeouts. It is particularly beneficial in wireless environments
185 185 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  
188 191 tcp_keepalive_time - INTEGER
189 192 How often TCP sends out keepalive messages when keepalive is enabled.