On Tue, 2006-08-15 at 17:41, Steve Wise wrote: > On Tue, 2006-08-15 at 17:29 -0400, Hal Rosenstock wrote: > > On Tue, 2006-08-15 at 17:18, Sean Hefty wrote: > > > > > 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.) > > > > The first occurrence that I find is the following: > > > > p.145 13) where it states that "Further, in addition to having the same > > MGID, all members of the multicast group must share the same P_Key and > > Q_Key. > > > > Where does it say that a mcast group is associated with any qkey at all?
In order to create a multicast group, the Q_Key needs to be supplied. See p. 912-3 o15-0.2.3 -- Hal > 13) just sez that all qp's that want to exchange datagrams must have the > same pkey/qkey. That's the normal UD paradigm. > > > > _______________________________________________ openib-general mailing list [email protected] http://openib.org/mailman/listinfo/openib-general To unsubscribe, please visit http://openib.org/mailman/listinfo/openib-general
