From: Neal Cardwell <ncardwell@google.com>
To: Eric Dumazet <eric.dumazet@gmail.com>
Cc: "Sébastien Barré" <sebastien.barre@uclouvain.be>,
"David Miller" <davem@davemloft.net>,
"Yuchung Cheng" <ycheng@google.com>,
Netdev <netdev@vger.kernel.org>,
"Gregory Detal" <gregory.detal@uclouvain.be>,
"Nandita Dukkipati" <nanditad@google.com>
Subject: Re: [PATCH net-next v3] tcp: avoid reducing cwnd when ACK+DSACK is received
Date: Mon, 12 Jan 2015 11:48:20 -0500 [thread overview]
Message-ID: <CADVnQy=JDAoLtBnFXsQDTU1_OYFGpDCF1Un28iM1gz0KZDGoug@mail.gmail.com> (raw)
In-Reply-To: <1421075729.4099.0.camel@edumazet-glaptop2.roam.corp.google.com>
On Mon, 2015-01-12 at 10:30 +0100, Sébastien Barré wrote:
> With TLP, the peer may reply to a probe with an
> ACK+D-SACK, with ack value set to tlp_high_seq. In the current code,
> such ACK+DSACK will be missed and only at next, higher ack will the TLP
> episode be considered done. Since the DSACK is not present anymore,
> this will cost a cwnd reduction.
Acked-by: Neal Cardwell <ncardwell@google.com>
Thanks!
neal
next prev parent reply other threads:[~2015-01-12 16:48 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-12 9:30 [PATCH net-next v3] tcp: avoid reducing cwnd when ACK+DSACK is received Sébastien Barré
2015-01-12 15:15 ` Eric Dumazet
2015-01-12 16:48 ` Neal Cardwell [this message]
2015-01-13 19:22 ` David Miller
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