[ofa-general] creating QP with zero wr and/or null CQ

Or Gerlitz ogerlitz at voltaire.com
Tue Dec 18 22:11:20 PST 2007


Roland Dreier wrote:
>> So, are these limitations originating from the spec or from the implementation?

> I'm not sure what the spec says about 0-sized QPs.  However for the
> create QP verb, the spec does say that the required inputs include:
>     The QP attributes that must be specified at QP create time are:
>         . The CQ to be associated with the Send Queue.
>         . The CQ to be associated with the Receive Queue.
> and I'm not sure it's worth adding special cases to deal with null CQs
> for QPs that don't have a send/receive queue.  And I'm not sure how
> much it's worth worrying about 0-sized QPs either.

OK, thanks for clarifying this. At that point I don't think there's a 
real need for these special cases.

Or.




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