76 #define NG_BT_MBUFQ_INIT(q, _maxlen)			\  argument
78 		(q)->head = NULL;			\
79 		(q)->tail = NULL;			\
80 		(q)->len = 0;				\
81 		(q)->maxlen = (_maxlen);		\
82 		(q)->drops = 0;				\
85 #define NG_BT_MBUFQ_DESTROY(q)				\  argument
87 		NG_BT_MBUFQ_DRAIN((q));			\
90 #define NG_BT_MBUFQ_FIRST(q)	(q)->head  argument
92 #define NG_BT_MBUFQ_LEN(q)	(q)->len  argument
94 #define NG_BT_MBUFQ_FULL(q)	((q)->len >= (q)->maxlen)  argument
96 #define NG_BT_MBUFQ_DROP(q)	(q)->drops ++  argument
98 #define NG_BT_MBUFQ_ENQUEUE(q, i)			\  argument
102 		if ((q)->tail == NULL)			\
103 			(q)->head = (i);		\
105 			(q)->tail->m_nextpkt = (i);	\
107 		(q)->tail = (i);			\
108 		(q)->len ++;				\
111 #define NG_BT_MBUFQ_DEQUEUE(q, i)			\  argument
113 		(i) = (q)->head;			\
115 			(q)->head = (q)->head->m_nextpkt; \
116 			if ((q)->head == NULL)		\
117 				(q)->tail = NULL;	\
119 			(q)->len --;			\
124 #define NG_BT_MBUFQ_PREPEND(q, i)			\  argument
126 		(i)->m_nextpkt = (q)->head;		\
127 		if ((q)->tail == NULL)			\
128 			(q)->tail = (i);		\
130 		(q)->head = (i);			\
131 		(q)->len ++;				\
134 #define NG_BT_MBUFQ_DRAIN(q)				\  argument
139 			NG_BT_MBUFQ_DEQUEUE((q), m);	\
162 #define NG_BT_ITEMQ_INIT(q, _maxlen)			\  argument
164 		STAILQ_INIT(&(q)->queue);		\
165 		(q)->len = 0;				\
166 		(q)->maxlen = (_maxlen);		\
167 		(q)->drops = 0;				\
170 #define NG_BT_ITEMQ_DESTROY(q)				\  argument
172 		NG_BT_ITEMQ_DRAIN((q));			\
175 #define NG_BT_ITEMQ_FIRST(q)	STAILQ_FIRST(&(q)->queue)  argument
177 #define NG_BT_ITEMQ_LEN(q)	NG_BT_MBUFQ_LEN((q))  argument
179 #define NG_BT_ITEMQ_FULL(q)	NG_BT_MBUFQ_FULL((q))  argument
181 #define NG_BT_ITEMQ_DROP(q)	NG_BT_MBUFQ_DROP((q))  argument
183 #define NG_BT_ITEMQ_ENQUEUE(q, i)			\  argument
185 		STAILQ_INSERT_TAIL(&(q)->queue, (i), el_next);	\
186 		(q)->len ++;				\
189 #define NG_BT_ITEMQ_DEQUEUE(q, i)			\  argument
191 		(i) = STAILQ_FIRST(&(q)->queue);	\
193 			STAILQ_REMOVE_HEAD(&(q)->queue, el_next);	\
194 			(q)->len --;			\
198 #define NG_BT_ITEMQ_PREPEND(q, i)			\  argument
200 		STAILQ_INSERT_HEAD(&(q)->queue, (i), el_next);	\
201 		(q)->len ++;				\
204 #define NG_BT_ITEMQ_DRAIN(q)				\  argument
209 			NG_BT_ITEMQ_DEQUEUE((q), i);	\