72 	unsigned int	 tail;  member
82 	return (q->tail - q->head) & q->tab_mask;  in choke_len()
102 		if (q->head == q->tail)  in choke_zap_head_holes()
111 		q->tail = (q->tail - 1) & q->tab_mask;  in choke_zap_tail_holes()
112 		if (q->head == q->tail)  in choke_zap_tail_holes()
114 	} while (q->tab[q->tail] == NULL);  in choke_zap_tail_holes()
127 	if (idx == q->tail)  in choke_drop_by_idx()
260 	if (q->head == q->tail)  in choke_match_random()
332 		q->tab[q->tail] = skb;  in choke_enqueue()
333 		q->tail = (q->tail + 1) & q->tab_mask;  in choke_enqueue()
358 	if (q->head == q->tail) {  in choke_dequeue()
451 			unsigned int oqlen = sch->q.qlen, tail = 0;  in choke_change()  local
453 			while (q->head != q->tail) {  in choke_change()
459 				if (tail < mask) {  in choke_change()
460 					ntab[tail++] = skb;  in choke_change()
469 			q->tail = tail;  in choke_change()
486 	if (q->head == q->tail)  in choke_change()
612 	return (q->head != q->tail) ? q->tab[q->head] : NULL;  in choke_peek_head()