[openib-general] Re: SDP use of CMA

[Michael S. Tsirkin]

Quoting r. Sean Hefty <sean.hefty at intel.com>:
> Subject: SDP use of CMA
> 
> I'm like to start a discussion of having the CMA support SDP.  To do
> this, I'd
> like to propose adding the following optional call to the CMA:
> 
> enum rdma_cm_protocol {
> 	RDMA_CM_DEFAULT,
> 	RDMA_CM_SDP
> };
> 
> /**
>  * rdma_set_protocol - Associate a specific connection protocol with the
>  *   RDMA identifier.
>  *
>  * @id: RDMA identifier.
>  * @protocol: Connection protocol.
>  * @version: Connection protocol version, or 0 to use the default.
>  *
>  * This is an optional call that may be made to specify that the
> indicated
>  * connection protocol be used when establishing connections to the
>  * associated RDMA identifier.
>  */
> int rdma_set_protocol(struct rdma_cm_id *id, enum rdma_cm_protocol
> protocol,
> 		      int version);
> 
> 
> For most users, this routing would not need to be called.  If called by
> SDP,
> then the CMA would use SDP's service IDs and private data format.  The
> CMA would
> be responsible for setting the local port number and source/destination
> IP
> addresses.  All other fields would be set by the caller.
> 
> Comments?
> 
> - Sean

Fine with me.

-- 
MST