[ofw] ipoib and dhcp

[Sean Hefty]

>I was able to get this to work on 5 of 8 systems.  For some reason, the other 3
>don't want to obtain an address through DHCP.  (And, of course, were the first
>3
>that I was trying to setup.)  I downloaded and run the guid checker tool from
>the Mellanox website, and it reported that the guids were supported.  All
>systems are using the same software, new install of 2008 HPC with MT25208
>driver
>and recent svn tip.  (I haven't checked or updated firmware versions yet.)  Any
>ideas at all on this?

I replaced the HCAs in 2 of the 3 trouble systems, and they started working.
So, this appears to be a HW/firmware related problem.  The crashes may also be
related to this.

- Sean