From: Florian Westphal <fw@strlen.de>
Date: Tue, 25 Feb 2014 13:34:32 +0000 (+0100)
Subject: net: tcp: add mib counters to track zero window transitions
X-Git-Tag: v3.15-rc1~113^2~265
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8e165e20348b53583f6c6cb45865b89209f4aa13;p=pandora-kernel.git

net: tcp: add mib counters to track zero window transitions

Three counters are added:
- one to track when we went from non-zero to zero window
- one to track the reverse
- one counter incremented when we want to announce zero window,
  but can't because we would shrink current window.

Suggested-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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