[openib-general] ib_gid lookup

[James Lentini]

On Tue, 20 Jun 2006, Hal Rosenstock wrote:

> > > The SM does not know the IP addresses unless they are registered 
> > > by DAPL (via ServiceRecords) but I'm not sure that is done 
> > > anymore or whether DAPL runs in your environment.
> > > 
> > 
> > if i run DAPL in my environment will it work or this is already 
> > made obsolete?
> 
> I don't know. James or maybe Arlin would be the ones to answer. You 
> could also look at the code to figure this out.

DAPL used to use the Address Translation Service (ATS) to map between 
IP addresses to GIDs. It now uses IPoIB for this purpose.

You could use IPoIB to determine a node's GID using a IP or install 
the (unsupported?) ATS software on your systems 
(https://openib.org/svn/gen2/branches/ibat/).