[openib-general] Re: RDMA Generic Connection Management

[Michael S. Tsirkin]

Quoting r. Roland Dreier <rolandd at cisco.com>:
> Subject: Re: RDMA Generic Connection Management
> 
>     James> What happens if multiple devices can reach the destination
>     James> address? How will they be enumerated to the consumer?
>  
> I guess we need to move towards the full horror of getaddrinfo().
> Probably we need some unusable native API, and then library functions
> layered on top for consumers that don't care.

I see a problem in that the number of paths may be very big.
It just does not make sense to me to pass them all up the layer
to let the ULP deal with selecting one.

> Although maybe it's not necessary -- are there any consumers of this
> API that really want to choose among different equal-metric routes?

I think that yes:
APM might be one good reason to want to get more than one path, would it not?

-- 
MST