[Rdma-developers] Re: [openib-general] OpenIB and OpenRDMA: Convergence on common RDMA APIs and ULPs for Linux

[Grant Grundler]

On Fri, May 27, 2005 at 09:58:44AM -0700, Caitlin Bestler wrote:
> > I understand most of what you wrote but am still missing one bit:
> > How is the RNIC told what the peer IP is it should communicate with?
> 
> The TCP Connection is already established before the RNIC takes
> control of the connection. Therefore the entire TCP state is already
> established (source/dest IP Address/Port, negotiated options, EMSS,
> local options, etc.).

Would "shares the connection" be a better description?

I think I get the concepts at least now...this follows
what I was suggesting earlier about having an RNIC
support both NAPI (New API for NICs) (code under drivers/net)
and openib.org Gen2 stack (code in drivers/infiniband).

thanks,
grant