cxgb4_sched_class_unbind
err = cxgb4_sched_class_unbind(dev, (void *)(&qe), SCHED_QUEUE);
cxgb4_sched_class_unbind(dev, &qe, SCHED_QUEUE);
cxgb4_sched_class_unbind(dev, &qe, SCHED_QUEUE);
cxgb4_sched_class_unbind(dev, &fe, SCHED_FLOWC);
int cxgb4_sched_class_unbind(struct net_device *dev, void *arg,