On Wed, 2006-05-10 at 19:35, Sean Hefty wrote: > For context, I'm trying to work backwards from send a message on a UD QP to > determine what information is needed and how it is obtained. > > Does anyone know how the user determines if the grh flag should be set in the > ib_ah_attr when allocating an ib_ah? Do they do this by examining the GIDs > in a > path record?
Anytime the send is off the local subnet (as well as multicast), a GRH is required. Also, there is a management response rule for responding when the request contained a GRH that require a GRH (13.5.4.4 p. 769). -- Hal > > - Sean > _______________________________________________ > 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
