71 	unsigned int	 head;  member
82 	return (q->tail - q->head) & q->tab_mask;  in choke_len()
101 		q->head = (q->head + 1) & q->tab_mask;  in choke_zap_head_holes()
102 		if (q->head == q->tail)  in choke_zap_head_holes()
104 	} while (q->tab[q->head] == NULL);  in choke_zap_head_holes()
112 		if (q->head == q->tail)  in choke_zap_tail_holes()
125 	if (idx == q->head)  in choke_drop_by_idx()
241 		*pidx = (q->head + prandom_u32_max(choke_len(q))) & q->tab_mask;  in choke_peek_random()
247 	return q->tab[*pidx = q->head];  in choke_peek_random()
260 	if (q->head == q->tail)  in choke_match_random()
358 	if (q->head == q->tail) {  in choke_dequeue()
364 	skb = q->tab[q->head];  in choke_dequeue()
365 	q->tab[q->head] = NULL;  in choke_dequeue()
453 			while (q->head != q->tail) {  in choke_change()
454 				struct sk_buff *skb = q->tab[q->head];  in choke_change()
456 				q->head = (q->head + 1) & q->tab_mask;  in choke_change()
468 			q->head = 0;  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()