[ofa-general] Re: setting iWarp IRD and ORD

[Steve Wise]

Sean Hefty wrote:
>> They're set by the application via the rdma_conn_param on the active
>> side, and they get set to the device max values by default on the
>> passive side.  There is currently no matching of these by the iwcm or
>> any of the driver code: its up to the ULP/application to negotiate this
>> via private data or some other way.
>>
>> Is that what you're asking?
> 
> In part - I don't see that IRD or ORD are set through the modify QP calls in the
> rdma_cm.  I'm guessing that the values are passed to the driver, and are used by
> the driver when transitioning to RTS?
> 
> Basically, I'm trying to determine if the fix to the librdmacm affects iWarp at
> all (I don't believe that it does), and if a similar fix would also work in the
> kernel.  I'm pretty sure that it will for IB, but I'm not sure what the behavior
> would be for iWarp.
> 
> - Sean

What exactly are you fixing?