On Tue, 2006-08-15 at 15:59, Roland Dreier wrote: > > This is what I was referring to. I'm really not familiar with IP multicast > > beyond what I read in a book while coding the RDMA CM. It sounds like we > might > > be able to use the QKey as the port number for the QP to mimic the > behavior. > > I don't see how this could work-- to mimic IP, an app has to be able > to multicast a datagram to multiple destination ports using the same > multicast group. Since IB multicast groups have a Q_Key associated, > the only way this could work is if all QPs and MCGs share one Q_Key.
Isn't it all QPs on the same MCG need to share one Q_Key ? -- Hal > > _______________________________________________ > openib-general mailing list > [email protected] > http://openib.org/mailman/listinfo/openib-general > > To unsubscribe, please visit http://openib.org/mailman/listinfo/openib-general > _______________________________________________ openib-general mailing list [email protected] http://openib.org/mailman/listinfo/openib-general To unsubscribe, please visit http://openib.org/mailman/listinfo/openib-general
