[openib-general] [RFC][PATCH] rdma_cm: allow joins to return a unique address

[Andrew Friedley]

Sean Hefty wrote:
> I believe that this patch lets you can do what you're trying to do.  The 
> group handle would be the returned mgid from the initial join that 
> created the group.  The mgid would need to be passed to other processes 
> as an IPv6 address, who issue a join request on that group.  (The mgid 
> is available from the rdma_cm_event.param.ud.ah_attr.grh.dgid.)
> 
> Typically, the rdma_cm maps IP addresses to mgids using the ipoib ip 
> mapping algorithm.  This patch avoids that mapping if the upper 32-bits 
> of the IP address match a specific pattern.

Excellent -- is this in a git tree somewhere that I can grab (I'm new to 
git)?  Or, what would be an appropriate tree to apply this to?

Andrew