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()
128 	if (idx == q->tail)  in choke_drop_by_idx()
216 	if (q->head == q->tail)  in choke_match_random()
279 		q->tab[q->tail] = skb;  in choke_enqueue()
280 		q->tail = (q->tail + 1) & q->tab_mask;  in choke_enqueue()
299 	if (q->head == q->tail) {  in choke_dequeue()
319 	while (q->head != q->tail) {  in choke_reset()
331 	q->head = q->tail = 0;  in choke_reset()
390 			unsigned int oqlen = sch->q.qlen, tail = 0;  in choke_change()  local
393 			while (q->head != q->tail) {  in choke_change()
399 				if (tail < mask) {  in choke_change()
400 					ntab[tail++] = skb;  in choke_change()
410 			q->tail = tail;  in choke_change()
427 	if (q->head == q->tail)  in choke_change()
494 	return (q->head != q->tail) ? q->tab[q->head] : NULL;  in choke_peek_head()