From: David Miller <davem@davemloft.net>
To: ycheng@google.com
Cc: ncardwell@google.com, edumazet@google.com, panweiping3@gmail.com,
netdev@vger.kernel.org
Subject: Re: [PATCH net] tcp: fix SYNACK RTT estimation in Fast Open
Date: Sun, 27 Oct 2013 16:51:27 -0400 (EDT) [thread overview]
Message-ID: <20131027.165127.1930968854676042241.davem@davemloft.net> (raw)
In-Reply-To: <1382629465-20310-1-git-send-email-ycheng@google.com>
From: Yuchung Cheng <ycheng@google.com>
Date: Thu, 24 Oct 2013 08:44:25 -0700
> tp->lsndtime may not always be the SYNACK timestamp if a passive
> Fast Open socket sends data before handshake completes. And if the
> remote acknowledges both the data and the SYNACK, the RTT sample
> is already taken in tcp_ack(), so no need to call
> tcp_update_ack_rtt() in tcp_synack_rtt_meas() aagain.
>
> Signed-off-by: Yuchung Cheng <ycheng@google.com>
Applied and queued up for -stable.
prev parent reply other threads:[~2013-10-27 20:51 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-24 15:44 [PATCH net] tcp: fix SYNACK RTT estimation in Fast Open Yuchung Cheng
2013-10-24 17:02 ` Neal Cardwell
2013-10-24 20:04 ` Eric Dumazet
2013-10-27 20:51 ` David Miller
2013-10-27 20:51 ` David Miller [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20131027.165127.1930968854676042241.davem@davemloft.net \
--to=davem@davemloft.net \
--cc=edumazet@google.com \
--cc=ncardwell@google.com \
--cc=netdev@vger.kernel.org \
--cc=panweiping3@gmail.com \
--cc=ycheng@google.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).