[openib-general] [Fwd: RE: IB mcast question]

[Sean Hefty]

> > App 1:
> > Creates QP with QKey=22
> > Joins multicast group 1 with QKey=33
> >
> > App 2:
> > Creates QP with QKey=44
> > Joins multicast group 1
> > Sends to multicast group but with QKey=22
>
>I think that last send is technically an IBA spec violation.

I'll admit that this definitely seems like a hack, but I haven't found where it
is violation.  (I'll keep looking.)  From 10.5.2.1, a QP doesn't need to be
attached to a multicast group to initiate a send, so it seems like any potential
violation is only that the QKey and MLID wouldn't match.

- Sean