[openib-general] [PATCH] IPOIB: Use a GRH when appropriate for unicast packets

[Sean Hefty]

> I didn't get too far on getting CMA to work. Beyond the bad HopLimit
> feild I was seeing Hal pointed out a number of problems in IBA that
> would prevent it from working as is :<

I've started thinking about what it would take to get the rdma cm to work across 
a router.  I think the rdma cm may need to treat IPv6 addresses as a GID for 
this to work across subnets, versus trying to map an ipoib IP address to a GID 
based on ARP.

- Sean