[openib-general] [PATCH] Add support for querying port width/ speed

[Roland Dreier]

> I think the choice of IPD is beyond the scope of the IB spec. The spec
> provides a mechanism to regulate the injection rate but does not mandate its
> use. Your assumption below (rounding up) makes perfect sense. Rounding down
> would defeat the entire purpose of the IPD mechanism. 

Thanks.  By the way, I realized that this is not a totally unrealistic
situation --
the question arises for a 12X port injecting into a fabric with 4X DDR links,
which should be possible in the not-too-distant future.

 - Roland