notify_rdma_uld
notify_rdma_uld(adap, CXGB4_CONTROL_DB_EMPTY);
notify_rdma_uld(adap, CXGB4_CONTROL_DB_DROP);
notify_rdma_uld(adap, CXGB4_CONTROL_DB_EMPTY);
notify_rdma_uld(adap, CXGB4_CONTROL_DB_FULL);
notify_rdma_uld(adap, CXGB4_CONTROL_DB_FULL);