From: Yuchung Cheng <ycheng@google.com>
Date: Fri, 19 Oct 2012 15:14:44 +0000 (+0000)
Subject: tcp: add SYN/data info to TCP_INFO
X-Git-Tag: v3.7-rc3~7^2~21
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6f73601efb35c7003f5c58c2bc6fd08f3652169c;p=pandora-kernel.git

tcp: add SYN/data info to TCP_INFO

Add a bit TCPI_OPT_SYN_DATA (32) to the socket option TCP_INFO:tcpi_options.
It's set if the data in SYN (sent or received) is acked by SYN-ACK. Server or
client application can use this information to check Fast Open success rate.

Signed-off-by: Yuchung Cheng <ycheng@google.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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