[ofw] patch: [ibbus] Add A new function to IBAL that allows one to create a multicast group without attaching a QP to it.

[Tzachi Dar]

I guess that if we want to keep tracking the multicast group (as fab has noticed) than we don't have a way to not change the API.

Thanks
Tzachi

> -----Original Message-----
> From: Hefty, Sean [mailto:sean.hefty at intel.com]
> Sent: Thursday, February 10, 2011 11:07 PM
> To: Tzachi Dar; ofw at lists.openfabrics.org
> Subject: RE: [ofw] patch: [ibbus] Add A new function to IBAL that allows one
> to create a multicast group without attaching a QP to it.
> 
> > In a more practical way, what we want to achieve is a change to the current
> > ipoib design. We would like to separate the qps life cycle from the
> > multicast group. In the current code we had to make sure that the qp is
> > always there before we can attach to the group.
> 
> This makes sense, and it would be nice to include this in the patch
> description.
> 
> I think you can achieve this without changing the existing APIs.  Just let the
> QP handle be optional.