1223 mbufq_init(struct mbufq *mq, int maxlen)  in mbufq_init()  argument
1226 	STAILQ_INIT(&mq->mq_head);  in mbufq_init()
1227 	mq->mq_maxlen = maxlen;  in mbufq_init()
1228 	mq->mq_len = 0;  in mbufq_init()
1232 mbufq_flush(struct mbufq *mq)  in mbufq_flush()  argument
1236 	m = STAILQ_FIRST(&mq->mq_head);  in mbufq_flush()
1237 	STAILQ_INIT(&mq->mq_head);  in mbufq_flush()
1238 	mq->mq_len = 0;  in mbufq_flush()
1243 mbufq_drain(struct mbufq *mq)  in mbufq_drain()  argument
1247 	n = mbufq_flush(mq);  in mbufq_drain()
1255 mbufq_first(const struct mbufq *mq)  in mbufq_first()  argument
1258 	return (STAILQ_FIRST(&mq->mq_head));  in mbufq_first()
1262 mbufq_last(const struct mbufq *mq)  in mbufq_last()  argument
1265 	return (STAILQ_LAST(&mq->mq_head, mbuf, m_stailqpkt));  in mbufq_last()
1269 mbufq_full(const struct mbufq *mq)  in mbufq_full()  argument
1272 	return (mq->mq_len >= mq->mq_maxlen);  in mbufq_full()
1276 mbufq_len(const struct mbufq *mq)  in mbufq_len()  argument
1279 	return (mq->mq_len);  in mbufq_len()
1283 mbufq_enqueue(struct mbufq *mq, struct mbuf *m)  in mbufq_enqueue()  argument
1286 	if (mbufq_full(mq))  in mbufq_enqueue()
1288 	STAILQ_INSERT_TAIL(&mq->mq_head, m, m_stailqpkt);  in mbufq_enqueue()
1289 	mq->mq_len++;  in mbufq_enqueue()
1294 mbufq_dequeue(struct mbufq *mq)  in mbufq_dequeue()  argument
1298 	m = STAILQ_FIRST(&mq->mq_head);  in mbufq_dequeue()
1300 		STAILQ_REMOVE_HEAD(&mq->mq_head, m_stailqpkt);  in mbufq_dequeue()
1302 		mq->mq_len--;  in mbufq_dequeue()
1308 mbufq_prepend(struct mbufq *mq, struct mbuf *m)  in mbufq_prepend()  argument
1311 	STAILQ_INSERT_HEAD(&mq->mq_head, m, m_stailqpkt);  in mbufq_prepend()
1312 	mq->mq_len++;  in mbufq_prepend()