From: Patrick McManus <mcmanus@ducksong.com>
Date: Fri, 21 Mar 2008 23:33:01 +0000 (-0700)
Subject: [TCP]: TCP_DEFER_ACCEPT updates - process as established
X-Git-Tag: v2.6.26-rc1~1138^2~400
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ec3c0982a2dd1e671bad8e9d26c28dcba0039d87;p=pandora-kernel.git

[TCP]: TCP_DEFER_ACCEPT updates - process as established

Change TCP_DEFER_ACCEPT implementation so that it transitions a
connection to ESTABLISHED after handshake is complete instead of
leaving it in SYN-RECV until some data arrvies. Place connection in
accept queue when first data packet arrives from slow path.

Benefits:
  - established connection is now reset if it never makes it
   to the accept queue

 - diagnostic state of established matches with the packet traces
   showing completed handshake

 - TCP_DEFER_ACCEPT timeouts are expressed in seconds and can now be
   enforced with reasonable accuracy instead of rounding up to next
   exponential back-off of syn-ack retry.

Signed-off-by: Patrick McManus <mcmanus@ducksong.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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