- It appears that a client of CMA needs to call rdma_resolve_route()
after
a successful rdma_resolve_addr(). Any reason for the existence of two
interfaces instead of one interface that combines the functionality of
both the interfaces?
Its an infiniband requirement, I think. iWARP doesn't do anything for
resolve route. The "next hop route" in iWARP terms is actually
determined as part to address resolution...
Steve's correct. For IB, these are two distinct operations (mapping IP
address to GID & path record query). The only benefit to combining the
steps is to save a single call down. The drawback is that it ends up
complicating the rdma_cm implementation in case the user calls
rdma_destroy_id() between the two steps.
- Sean
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