netdev - Re: [PATCH net] tcp: increment retransmit counters in tlp and fast open

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Message-ID: <CADVnQymZdLuHeaDGTF8NSz0SMbzu=DKkwQkDX6KD5Mh=RhoERA@mail.gmail.com>
Date:	Tue, 29 Apr 2014 09:44:54 -0400
From:	Neal Cardwell <ncardwell@...gle.com>
To:	Eric Dumazet <eric.dumazet@...il.com>
Cc:	David Miller <davem@...emloft.net>,
	netdev <netdev@...r.kernel.org>,
	Nandita Dukkipati <nanditad@...gle.com>,
	Yuchung Cheng <ycheng@...gle.com>
Subject: Re: [PATCH net] tcp: increment retransmit counters in tlp and fast open

On Tue, Apr 29, 2014 at 1:00 AM, Eric Dumazet <eric.dumazet@...il.com> wrote:
> From: Eric Dumazet <edumazet@...gle.com>
>
> Both TLP and Fast Open call __tcp_retransmit_skb() instead of
> tcp_retransmit_skb() to avoid changing tp->retrans_out.
>
> This has the side effect of missing SNMP counters increments as well
> as tcp_info tcpi_total_retrans updates.
>
> Fix this by moving the stats increments of into __tcp_retransmit_skb()
>
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>

Acked-by: Neal Cardwell <ncardwell@...gle.com>

neal
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