Sean Hefty wrote: >> Maybe just ask user to always call rdma_join_multicast after rdma_create_qp? >> Joins are now properly reference counted, so it shouldn't be a problem >> to repeat this any number of times. Right? > > This is the solution for now, and it should work fine. I don't think it would > be hard to support creating the QP after joining if someone ever came up with > the need, but it doesn't seem like a priority at the moment.
Indeed, since to do multicast RX/TX you need an IB UD QP... naturally an IB app (eg IPoIB) would create its QP before doing any join/leave on the group, if there would be a demand for a "crazy" use scheme of 1st join 2nd create qp, you can enhance librdmacm to support it. Or. _______________________________________________ openib-general mailing list openib-general@openib.org http://openib.org/mailman/listinfo/openib-general To unsubscribe, please visit http://openib.org/mailman/listinfo/openib-general