K 10
svn:author
V 6
sbruno
K 8
svn:date
V 27
2015-06-17T18:50:57.596692Z
K 7
svn:log
V 328
MFC r284179, r283959

Implement multiqueue (max 2 tx/rx queues) for the 82574L chipset.

Change default tuning parameters to handle this new configuration if
EM_MULTIQUEUE is set in the kernel configuration.  Off by default.

See r283959 changelog for the scope of these changes.

Relnotes:	Yes
Sponsored by:	Limelight Networks

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