[openib-general] mapping between IP address and device name

[Roland Dreier]

    Thomas> We aren't currently using the portmapper to discover the
    Thomas> serviceid that the NFS/RDMA server is listening on. Brent
    Thomas> Callaghan chose serviceid 2049 as a convenience in Sun's
    Thomas> first implementation, and so far it has stuck.

Ugh, according to the IBA spec a service ID beginning with 0x00
belongs to the IBTA-administered range.  This should probably be fixed
before it gets to entrenched.

 - R.