From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Wed, 8 Aug 2012 05:23:22 +0000 (+0000)
Subject: igb: Remove artificial restriction on RQDPC stat reading
X-Git-Tag: v3.2.40~37
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=74d789d80dcc1f966956b6698722577f6343c110;p=pandora-kernel.git

igb: Remove artificial restriction on RQDPC stat reading

commit ae1c07a6b7ced6c0c94c99e3b53f4e7856fa8bff upstream.

For some reason the reading of the RQDPC register was being artificially
limited to 4K.  Instead of limiting the value we should read the value and
add the full amount.  Otherwise this can lead to a misleading number of
dropped packets when the actual value is in fact much higher.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Jeff Pieper   <jeffrey.e.pieper@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

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