[openib-general] RDMA connection and address translation API

[James Lentini]

> > However, there's another problem with trying to lump address
> > translation and connection into a single "connect" call, and this
> > problem looks fundamental and fatal to me.  The connect call takes a
> > QP pointer, but to create a QP the consumer needs to know which local
> > device to use.  However, the consumer doesn't know which device to use
> > until the destination address has been resolved to a route, including
> > a local interface.
> 
> The proposition, also presented (I beleive) in the OpenIB workshop,
> include a function called ib_cma_get_device, that retrieves the device
> (for qp creation purposes) according to the destination address and the
> local routing table. 

That function was included in the presentation. Given that the 
discussion focused on the proper location of address translation, it 
is understandable that its presence was overlooked.