69 #define	qtype(q)	(q)->qtype_		/* Get queue type */  argument
70 #define	qlimit(q)	(q)->qlim_		/* Max packets to be queued */  argument
71 #define	qlen(q)		(q)->qlen_		/* Current queue length. */  argument
72 #define	qsize(q)	(q)->qsize_		/* Current queue size. */  argument
73 #define	qtail(q)	(q)->tail_		/* Tail of the queue */  argument
74 #define	qhead(q)	((q)->tail_ ? (q)->tail_->m_nextpkt : NULL)  argument
76 #define	qempty(q)	((q)->qlen_ == 0)	/* Is the queue empty?? */  argument
77 #define	q_is_codel(q)	((q)->qtype_ == Q_CODEL) /* Is the queue a codel queue */  argument
78 #define	q_is_red(q)	((q)->qtype_ == Q_RED)	/* Is the queue a red queue */  argument
79 #define	q_is_rio(q)	((q)->qtype_ == Q_RIO)	/* Is the queue a rio queue */  argument
80 #define	q_is_red_or_rio(q)	((q)->qtype_ == Q_RED || (q)->qtype_ == Q_RIO)  argument
96 _addq(class_queue_t *q, struct mbuf *m)  in _addq()  argument
100 	if ((m0 = qtail(q)) != NULL)  in _addq()
105 	qtail(q) = m;  in _addq()
106 	qlen(q)++;  in _addq()
107 	qsize(q) += m_pktlen(m);  in _addq()
111 _getq(class_queue_t *q)  in _getq()  argument
115 	if ((m = qtail(q)) == NULL)  in _getq()
120 		qtail(q) = NULL;  in _getq()
121 	qlen(q)--;  in _getq()
122 	qsize(q) -= m_pktlen(m0);  in _getq()
129 _getq_tail(class_queue_t *q)  in _getq_tail()  argument
133 	if ((m = m0 = qtail(q)) == NULL)  in _getq_tail()
141 		qtail(q) = NULL;  in _getq_tail()
143 		qtail(q) = prev;  in _getq_tail()
144 	qlen(q)--;  in _getq_tail()
151 _getq_random(class_queue_t *q)  in _getq_random()  argument
156 	if ((m = qtail(q)) == NULL)  in _getq_random()
159 		qtail(q) = NULL;  in _getq_random()
163 		n = random() % qlen(q) + 1;  in _getq_random()
169 		if (m == qtail(q))  in _getq_random()
170 			qtail(q) = prev;  in _getq_random()
172 	qlen(q)--;  in _getq_random()
178 _removeq(class_queue_t *q, struct mbuf *m)  in _removeq()  argument
182 	m0 = qtail(q);  in _removeq()
189 		qtail(q) = NULL;  in _removeq()
190 	else if (qtail(q) == m)  in _removeq()
191 		qtail(q) = prev;  in _removeq()
192 	qlen(q)--;  in _removeq()
196 _flushq(class_queue_t *q)  in _flushq()  argument
200 	while ((m = _getq(q)) != NULL)  in _flushq()