Wei Wang 46c2fa3987 net/tcp_fastopen: Add snmp counter for blackhole detection ...

This counter records the number of times the firewall blackhole issue is
detected and active TFO is disabled.

Signed-off-by: Wei Wang <weiwan@google.com>
Acked-by: Yuchung Cheng <ycheng@google.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2017-04-24 14:27:17 -04:00

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