From: David Miller <davem@davemloft.net>
To: ycheng@google.com
Cc: netdev@vger.kernel.org, edumazet@google.com,
ncardwell@google.com, soheil@google.com
Subject: Re: [PATCH net] tcp: properly account Fast Open SYN-ACK retrans
Date: Thu, 22 Sep 2016 03:33:31 -0400 (EDT) [thread overview]
Message-ID: <20160922.033331.1227668027735387540.davem@davemloft.net> (raw)
In-Reply-To: <1474499775-26436-2-git-send-email-ycheng@google.com>
From: Yuchung Cheng <ycheng@google.com>
Date: Wed, 21 Sep 2016 16:16:15 -0700
> Since the TFO socket is accepted right off SYN-data, the socket
> owner can call getsockopt(TCP_INFO) to collect ongoing SYN-ACK
> retransmission or timeout stats (i.e., tcpi_total_retrans,
> tcpi_retransmits). Currently those stats are only updated
> upon handshake completes. This patch fixes it.
>
> Signed-off-by: Yuchung Cheng <ycheng@google.com>
> Signed-off-by: Eric Dumazet <edumazet@google.com>
> Signed-off-by: Neal Cardwell <ncardwell@google.com>
> Signed-off-by: Soheil Hassas Yeganeh <soheil@google.com>
Applied.
next prev parent reply other threads:[~2016-09-22 7:33 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-21 23:16 [PATCH net] tcp: fix under-accounting retransmit SNMP counters Yuchung Cheng
2016-09-21 23:16 ` [PATCH net] tcp: properly account Fast Open SYN-ACK retrans Yuchung Cheng
2016-09-22 7:33 ` David Miller [this message]
2016-09-22 2:19 ` [PATCH net] tcp: fix under-accounting retransmit SNMP counters Eric Dumazet
2016-09-22 7:33 ` David Miller
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