From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Sun, 17 May 2009 20:57:47 +0000 (+0000)
Subject: ixgbe: set max desc to prevent total RSC packet size of 64K
X-Git-Tag: v2.6.31-rc1~330^2~386
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e76678dd654545c98a5d0bdc66bd41350573c23e;p=pandora-kernel.git

ixgbe: set max desc to prevent total RSC packet size of 64K

The performance of hardware RSC is greatly reduced if the total for max rsc
descriptors multiplied by the buffer size is greater than 65535.  To
prevent this we need to adjust the max rsc descriptors appropriately.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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