cxgb4_sched_class_bind
err = cxgb4_sched_class_bind(dev, (void *)(&qe), SCHED_QUEUE);
ret = cxgb4_sched_class_bind(dev, &qe, SCHED_QUEUE);
ret = cxgb4_sched_class_bind(dev, &fe, SCHED_FLOWC);
int cxgb4_sched_class_bind(struct net_device *dev, void *arg,