[openib-general] Advice about adapting ibv_pingpong to use UC

[Steven Wooding]

Hi,

I wonder if someone working on the gen2 uverbs would be so kind as to 
give me some advice on adapting the ibv_pingpong program to use a UC QP 
type rather than RC. I was previously able to do this with the Mellanox 
stack by changing the qp_type attribute and then not setting variables 
that are only needed for RC (timeout and retry periods etc).

However, when I perform the same trick with ibv_pingpong it errors on 
the function call that should put the QP into the INIT state. I can't 
see what to change in that function call to get it to the next state change.

I realise that the general demand for the UC type connection is low, but 
my application is a real-time interface where retries are not an option 
I'm afraid.

Thank you in advance for any help the busy gen2 developers are able to 
offer.

Regards,

Steve.

x86_64, RHEL 4, gen2 2169.