Re: DLT_ request

[Guy Harris <guy () alum mit edu>]

On Jan 5, 2017, at 10:11 PM, Scott Deandrea <sdeandrea () apple com> wrote:

> An interrupt is generated when the frame number rolls over and we use this to increment the upper bits so the frame 
> number can grow beyond 11 bits.  This allows software consuming the frame number not to worry about the frame wrap 
> when scheduling isochronous I/O.

So the lower 11 bits are the frame number and the upper bits are, in effect, a count of frame number overflows.

Is there any reason to interpret it as anything other than a 64-bit integer, or to specify that division in the spec 
for the format?
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