Merge branch 'tcp-more-reliable-window-probes'
Eric Dumazet says:
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tcp: more reliable window probes
This series address a problem caused by small rto_min timers in DC,
leading to either timer storms or early flow terminations.
We also add two new SNMP counters for proper monitoring :
TCPWinProbe and TCPKeepAlive
v2: added TCPKeepAlive counter, as suggested by Yuchung & Neal
====================
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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