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-rw-r--r--Documentation/networking/ip-sysctl.txt9
1 files changed, 9 insertions, 0 deletions
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index a2be556..1cb3aeb 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -482,6 +482,15 @@ tcp_syn_retries - INTEGER
tcp_timestamps - BOOLEAN
Enable timestamps as defined in RFC1323.
+tcp_min_tso_segs - INTEGER
+ Minimal number of segments per TSO frame.
+ Since linux-3.12, TCP does an automatic sizing of TSO frames,
+ depending on flow rate, instead of filling 64Kbytes packets.
+ For specific usages, it's possible to force TCP to build big
+ TSO frames. Note that TCP stack might split too big TSO packets
+ if available window is too small.
+ Default: 2
+
tcp_tso_win_divisor - INTEGER
This allows control over what percentage of the congestion window
can be consumed by a single TSO frame.
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