From: Neal Cardwell <ncardwell@google.com>
Date: Wed, 16 Nov 2011 08:58:05 +0000 (+0000)
Subject: tcp: skip cwnd moderation in TCP_CA_Open in tcp_try_to_open
X-Git-Tag: v3.3-rc1~182^2~463
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8cd6d6162d998da579d40a1ee061bf8ce1610ff8;p=pandora-kernel.git

tcp: skip cwnd moderation in TCP_CA_Open in tcp_try_to_open

The problem: Senders were overriding cwnd values picked during an undo
by calling tcp_moderate_cwnd() in tcp_try_to_open().

The fix: Don't moderate cwnd in tcp_try_to_open() if we're in
TCP_CA_Open, since doing so is generally unnecessary and specifically
would override a DSACK-based undo of a cwnd reduction made in fast
recovery.

Signed-off-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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