[openib-general] CMA issue: SDP login compliancy

[Michael S. Tsirkin]

> Subject: CMA issue: SDP login compliancy
> 
> Hi!
> SDP compliance statement *requires* that a consumer checks the
> Responder Resources field in the connection Request/Response,
> verifying that it is > 0. This is part of CA 4-41 in the spec.
> 
> However Responder Resources field does not seem to be exposed by the CMA API.  I
> think knowing this value (at least in REQ, but preferably in REP is well) is
> also important for any ULP that does RDMA reads.
> 
> Should/can CMA/UCMA be extended to pass this to the user? This might be
> something we need to address before UCMA merge to avoid ABI breakage later.

Steve, could you please comment on the iWarp side of things?
Does iwarp connection get the number of RDMA read requests remote side
can support during connection setup?
Or is this IB-specific?

-- 
MST