[openib-general] Re: SDP use of CMA

[Michael S. Tsirkin]

Quoting r. Sean Hefty <mshefty at ichips.intel.com>:
> Subject: Re: SDP use of CMA
> 
> Tom Tucker wrote:
> > Not to jump in late on this, but why couldn't we just add a protocol
> > parameter to the create_id call. Then it is arbitrarily extensible ala
> > socket(AF_INET, SOCK_STREAM, <protocol!!!>)
> > 
> > So what I'm specifically suggesting is:
> > 
> > struct rdma_cm_id* rdma_create_id(rdma_cm_event_handler* cm_handler,
> > 				  void* context,
> > 				  rdma_cm_proto proto);
> 
> This isn't much different that having a separate call to set the protocol.  I 
> went with a separate protocol API to add in version information as well. 
> Changing just the create_id call makes sense.
> 
> - Sean

I also have this notion that it might be a good idea to put the
protocol in the reserved bits in the service id.

Makes sense? 

-- 
MST