[openib-general] rdma_cm branch

Michael S. Tsirkin mst at mellanox.co.il
Wed Oct 4 03:33:59 PDT 2006


Quoting r. Sean Hefty <mshefty at ichips.intel.com>:
> To clarify the major issue: currently when a connection request is received, the 
> connection data specified by the active side through the rdma_conn_param is NOT 
> given to the user.  This includes the responder_resources and initiator_depth. 
> There's no easy way to obtain this information.
> 
> The ideal fix for this is to include rdma_conn_param as part of the 
> rdma_cm_event.

BTW, wouldn't it be cleaner to just pass it up in the request event?

> However, this breaks every userspace app that's been coded to 
> OFED / SVN.
> An alternative is to add another call to retrieve the data, but 
> that's not a very clean alternative for new kernel submission.

Another alternative is to version the create ID call.

-- 
MST




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