>> Steve> I was able to create a mcast group with the mc >> Steve> qkey==0xe00a0a0a, and 3 apps joined this group, but their >> Steve> qp qkeys were 0 (I changed ucma_init_ud_qp() to set the qp >> Steve> qkey to 0). One app sent to the mcgroup ah/qkey/qpn and >> Steve> the other two received the packet. Does that make sense? >> >> In theory the Q_Key of a multicast group record is the Q_Key you're >> supposed to use when sending to the group. Of course nothing enforces >> this but I don't really like abusing things this way. >> > >I _did_ send the message to the qkey of the mcg.
I didn't think that this was supposed to work. Is the QKey going out on the wire the QKey from the send WR, or that associated with the QP? I think the QKey going out on the wire is the latter, which just happens to make it work. - Sean _______________________________________________ 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