netdev - Re: [PATCH net-next] tcp: export count for rehash attempts

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Message-Id: <20200126.152904.2177940112759062154.davem@davemloft.net>
Date:   Sun, 26 Jan 2020 15:29:04 +0100 (CET)
From:   David Miller <davem@...emloft.net>
To:     yyd@...gle.com
Cc:     netdev@...r.kernel.org, akabbani@...gle.com, ncardwell@...gle.com,
        ycheng@...gle.com, edumazet@...gle.com
Subject: Re: [PATCH net-next] tcp: export count for rehash attempts

From: "Kevin(Yudong) Yang" <yyd@...gle.com>
Date: Fri, 24 Jan 2020 16:34:02 -0500

> From: Abdul Kabbani <akabbani@...gle.com>
> 
> 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@...gle.com>
> Signed-off-by: Neal Cardwell <ncardwell@...gle.com>
> Signed-off-by: Yuchung Cheng <ycheng@...gle.com>
> Signed-off-by: Kevin(Yudong) Yang <yyd@...gle.com>
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>

Applied to net-next, thank you.