Sean> I understand. This sort of test works since IB_NODE_IB = 0, Sean> but wouldn't work for IB_NODE_IWARP, where node_type = Sean> IB_NODE_IWARP | IB_NODE_CA. Oh, I see. I was thinking that we would have something like IB_NODE_RNIC = IB_NODE_IWARP | whatever in the enum (where whatever could be IB_NODE_CA). - R.