RE: [PATCH perftest] perftest: make inline send on ocrdma work better

["Steve Wise" <swise-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>]

> On Fri, Aug 19, 2016 at 03:45:57PM -0500, Steve Wise wrote:
> > On 8/19/2016 2:06 PM, Jarod Wilson wrote:
> > >The ocrdma driver supports a maximum inline send size of 224, while the
> > >current code sets this size to 236. Add an ocrdma-specific check when
> > >setting max inline size to eliminate the need to always pass -I 224 when
> > >running ib_send_lat on ocrdma hardware.
> >
> > <soap box>
> > We really should fix the RDMA uAPI to allow querying the device to
> > get the max inline size for various SQ WRs (it might vary for send
> > vs write, for example), instead of requiring applications to guess
> > or hardcoding benchmarks based on device name...
> > </soap box>
> 
> This was a nice quick hack Friday afternoon hack to get it working
> with existing kernels in our testing infra, but having a way to ask
> the hardware would definitely be vastly superior.
> 

I hear ya.  Maybe as part of the new verbs API work we could provide a way for
applications to query the max inline...

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