20  * The strict classes, if any, are tried for traffic first: first band 0, if it
21  * has no traffic then band 1, etc.
24  * ones are tried next. Each band is assigned a deficit counter, initialized to
25  * "quantum" of that band. ETS maintains a list of active bandwidth-sharing
26  * bands whose qdiscs are non-empty. A packet is dequeued from the band at the
29  * scheduler moves on to the next band in the active list.
107 	int band = cl - q->classes;  in ets_class_id()  local
109 	return TC_H_MAKE(sch->handle, band + 1);  in ets_class_id()
177 	qopt.graft_params.band = arg - 1;  in ets_offload_graft()
199 	unsigned int band = cl - q->classes;  in ets_class_is_strict()  local
201 	return band < q->nstrict;  in ets_class_is_strict()
283 	unsigned long band = TC_H_MIN(classid);  in ets_class_find()  local
286 	if (band - 1 >= q->nbands)  in ets_class_find()
288 	return band;  in ets_class_find()
384 	u32 band = skb->priority;  in ets_classify()  local
405 			if (TC_H_MAJ(band))  in ets_classify()
406 				band = 0;  in ets_classify()
407 			return &q->classes[q->prio2band[band & TC_PRIO_MAX]];  in ets_classify()
409 		band = res.classid;  in ets_classify()
411 	band = TC_H_MIN(band) - 1;  in ets_classify()
412 	if (band >= q->nbands)  in ets_classify()
414 	return &q->classes[band];  in ets_classify()
466 	unsigned int band;  in ets_qdisc_dequeue()  local
470 		for (band = 0; band < q->nstrict; band++) {  in ets_qdisc_dequeue()
471 			cl = &q->classes[band];  in ets_qdisc_dequeue()
511 	u8 band;  in ets_qdisc_priomap_parse()  local
528 			band = nla_get_u8(attr);  in ets_qdisc_priomap_parse()
529 			if (band >= nbands) {  in ets_qdisc_priomap_parse()
530 				NL_SET_ERR_MSG_MOD(extack, "Invalid band number in ETS priomap");  in ets_qdisc_priomap_parse()
533 			priomap[prio++] = band;  in ets_qdisc_priomap_parse()
550 	int band = nstrict;  in ets_qdisc_quanta_parse()  local
563 			if (band >= nbands) {  in ets_qdisc_quanta_parse()
567 			err = ets_quantum_parse(sch, attr, &quanta[band++],  in ets_qdisc_quanta_parse()
608 	/* Unless overridden, traffic goes to the last band. */  in ets_qdisc_change()
716 	int band;  in ets_qdisc_reset()  local
718 	for (band = q->nstrict; band < q->nbands; band++) {  in ets_qdisc_reset()
719 		if (q->classes[band].qdisc->q.qlen)  in ets_qdisc_reset()
720 			list_del_init(&q->classes[band].alist);  in ets_qdisc_reset()
722 	for (band = 0; band < q->nbands; band++)  in ets_qdisc_reset()
723 		qdisc_reset(q->classes[band].qdisc);  in ets_qdisc_reset()
729 	int band;  in ets_qdisc_destroy()  local
733 	for (band = 0; band < q->nbands; band++)  in ets_qdisc_destroy()
734 		qdisc_put(q->classes[band].qdisc);  in ets_qdisc_destroy()
743 	int band;  in ets_qdisc_dump()  local
768 		for (band = nstrict; band < nbands; band++) {  in ets_qdisc_dump()
770 					READ_ONCE(q->classes[band].quantum)))  in ets_qdisc_dump()