[openib-general] Support for optional 64-bit port counters in sysfs

[Roland Dreier]

 > > I guess so.  If someone sends a patch I would be inclined to merge it.
 > 
 > OK; How should devices that didn't support these be handled ? Should
 > there be missing files or the files have values of 0 or something else ?

I would only create the files if the counters are supported.

 > > But are there any devices that support them?
 > 
 > Yes.

Can you give a hint about what the devices are?

  - R.