[openib-general] [PATCH 1/2] perftest: enhancement to rdma_bw to allow use of RDMA CM

[Michael S. Tsirkin]

Quoting r. Pradipta Kumar Banerjee <bpradip at in.ibm.com>:
> Subject: Re: [openib-general] [PATCH 1/2] perftest: enhancement to rdma_bw to allow use of RDMA CM
> 
> Michael S. Tsirkin wrote:
> > Quoting r. Pradipta Kumar Banerjee <bpradip at in.ibm.com>:
> >> IMO using rcq seems to be a generic and better solution.
> > 
> > Hmm, I see. Need to document the message format then.
> > We are only pasing the vaddr there, right?
> > 
> 
> Michael,
>    Actually 'rcq' is being used for handling the 'start' and 'done' messages.
> As for the lid, qpn, psn, rkey and vaddr, these gets exchanged as part of the 
> rdma_listen/rdma_connect calls. See pp_server_connect and pp_client_connect.
> OTH I tried testing rdma_bw on Ammasso iWARP without exchanging the 'start' and 
> 'done' messages and it worked. I am not sure if this is the right thing to do. 
> Maybe Steve can throw more light on this.

This makes sense. But why do we need the start message then?

-- 
MST