IB/qib: Add per-context stats interface
IB/qib: Add per-context stats interface

This patch adds a debugfs stats interface for per kernel contexts
packet counts.

The code uses the opcode stats count and eliminates the counter in the
context.

Reviewed-by: Dean Luick <1eee39304f451cad83ed66e3b462122b6bc074b8@intel.com>
Signed-off-by: Mike Marciniszyn <8b6671d72f65e2bb5dd5241f258fc1c5c815d085@intel.com>
Signed-off-by: Roland Dreier <0d270388f2f92757a5de0f4bd891d3b392c44c4f@purestorage.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs