On 3/6/2015 5:47 PM, Weiny, Ira wrote:
>>
>> On Wed, Mar 04, 2015 at 07:21:48AM +0000, Weiny, Ira wrote:
>>
>>> I think this is going to break quite a bit.  I have prototyped setting
>>> OPA devices to "OPA Link Layer" and the perftest tools just fall over.
>>> Any changes to the Link layer or the transport types will require a
>>> transition period for ULPs.
>>
>> How do the perftest tools work with OPA in the first place? OPA seems to have
>> 32 bit lids. Do you mean it 'works' as long as the lid is < 16 bits? Same 
>> general
>> point about all of verbs, lots of 'uint16_t lid' in the interfaces?
> 
> The 32 bit LIDs in the SMP are designed for future expansion.  Currently OPA 
> does not support > 16 bit LIDs.

It's not just verbs (structures and APIs) but also CM and any other
place where LID is used which are numerous.

Is a new verbs coming for this ? How will compatibility be dealt with ?

This is also another example why a more complete picture of OPA is needed.

-- Hal

> 
> Ira
> 
> 

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