Abdul Kabbani 32efcc06d2
tcp: export count for rehash attempts ...
Using IPv6 flow-label to swiftly route around avoid congested or
disconnected network path can greatly improve TCP reliability.
This patch adds SNMP counters and a OPT_STATS counter to track both
host-level and connection-level statistics. Network administrators
can use these counters to evaluate the impact of this new ability better.
Export count for rehash attempts to
1) two SNMP counters: TcpTimeoutRehash (rehash due to timeouts),
and TcpDuplicateDataRehash (rehash due to receiving duplicate
packets)
2) Timestamping API SOF_TIMESTAMPING_OPT_STATS.
Signed-off-by: Abdul Kabbani <akabbani@google.com >
Signed-off-by: Neal Cardwell <ncardwell@google.com >
Signed-off-by: Yuchung Cheng <ycheng@google.com >
Signed-off-by: Kevin(Yudong) Yang <yyd@google.com >
Signed-off-by: Eric Dumazet <edumazet@google.com >
Signed-off-by: David S. Miller <davem@davemloft.net >
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32efcc06d2