[ofa-general] More librdmacm stuff

[Doug Ledford]

On Thu, 2007-10-11 at 18:51 -0700, Sean Hefty wrote:
> >I'm more referring to when you call rdma_bind_addr to bind to your
> >device before you call rdma_connect.  In that instance, your address
> >isn't for the eventual destination, but just to bind you to your local
> >rdma device.  For that, an rdma_bind_dev that took an ibv context and a
> >port number on that device would avoid having to specify an IP address
> >that you don't really care about.
> 
> Maybe I'm missing something, but you would still use IP addressing to identify
> the remote system, which requires IPoIB anyway.  My expectation is that the side
> that calls rdma_connect() would usually call rdma_resolve_addr(), and not use
> rdma_bind_addr().  This way the local device binding occurs based on the routing
> tables to the remote address.

Think multiport cards and wanting to use a specific port (for load
balancing or other reasons).

-- 
Doug Ledford <dledford at redhat.com>
              GPG KeyID: CFBFF194
              http://people.redhat.com/dledford

Infiniband specific RPMs available at
              http://people.redhat.com/dledford/Infiniband
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