Re: [RFC PATCH 08/11] IB/Verbs: Use management helper has_iwarp() for, iwarp-check

[ira.weiny]

On Fri, Mar 27, 2015 at 10:13:19AM -0600, Jason Gunthorpe wrote:
> On Fri, Mar 27, 2015 at 04:47:36PM +0100, Michael Wang wrote:
> > 
> > Introduce helper has_iwarp() to help us check if an IB device
> > support IWARP protocol.
> 
> Should probably be !has_rdma_read_sges()
> 
> True if the device can handle more than one SGE entry on a RDMA READ
> work request.

Isn't this value already provided by the query_device verb?

The verbs spec states the Query HCA contains the:

"Maximum number of scatter/gather entries per Work Request supported by the
HCA."

-- Ira

> 
> Jason
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