316 int drbr_enqueue(struct ifnet *ifp, struct buf_ring *br, struct mbuf *m);
317 void drbr_putback(struct ifnet *ifp, struct buf_ring *br, struct mbuf *m_new);
318 struct mbuf *drbr_peek(struct ifnet *ifp, struct buf_ring *br);
319 void drbr_flush(struct ifnet *ifp, struct buf_ring *br);
320 struct mbuf *drbr_dequeue(struct ifnet *ifp, struct buf_ring *br);
321 void	drbr_advance(struct ifnet *ifp, struct buf_ring *br);
322 struct mbuf *drbr_dequeue_cond(struct ifnet *ifp, struct buf_ring *br,
324 int	drbr_empty(struct ifnet *ifp, struct buf_ring *br);
325 int	drbr_needs_enqueue(struct ifnet *ifp, struct buf_ring *br);
326 int	drbr_inuse(struct ifnet *ifp, struct buf_ring *br);
330 drbr_enqueue(struct ifnet *ifp, struct buf_ring *br, struct mbuf *m)  in drbr_enqueue()  argument
334 	error = buf_ring_enqueue(br, m);  in drbr_enqueue()
342 drbr_putback(struct ifnet *ifp, struct buf_ring *br, struct mbuf *m_new)  in drbr_putback()  argument
348 	buf_ring_putback_sc(br, m_new);  in drbr_putback()
352 drbr_peek(struct ifnet *ifp, struct buf_ring *br)  in drbr_peek()  argument
354 	return ((struct mbuf *)buf_ring_peek_clear_sc(br));  in drbr_peek()
358 drbr_flush(struct ifnet *ifp, struct buf_ring *br)  in drbr_flush()  argument
362 	while ((m = (struct mbuf *)buf_ring_dequeue_sc(br)) != NULL)  in drbr_flush()
367 drbr_dequeue(struct ifnet *ifp, struct buf_ring *br)  in drbr_dequeue()  argument
369 	return ((struct mbuf *)buf_ring_dequeue_sc(br));  in drbr_dequeue()
373 drbr_advance(struct ifnet *ifp, struct buf_ring *br)  in drbr_advance()  argument
375 	return (buf_ring_advance_sc(br));  in drbr_advance()
379 drbr_dequeue_cond(struct ifnet *ifp, struct buf_ring *br,  in drbr_dequeue_cond()  argument
383 	m = (struct mbuf *)buf_ring_peek(br);  in drbr_dequeue_cond()
387 	return ((struct mbuf *)buf_ring_dequeue_sc(br));  in drbr_dequeue_cond()
391 drbr_empty(struct ifnet *ifp, struct buf_ring *br)  in drbr_empty()  argument
393 	return (buf_ring_empty(br));  in drbr_empty()
397 drbr_needs_enqueue(struct ifnet *ifp, struct buf_ring *br)  in drbr_needs_enqueue()  argument
399 	return (!buf_ring_empty(br));  in drbr_needs_enqueue()
403 drbr_inuse(struct ifnet *ifp, struct buf_ring *br)  in drbr_inuse()  argument
405 	return (buf_ring_count(br));  in drbr_inuse()
410 drbr_free(struct buf_ring *br, struct malloc_type *type)  in drbr_free()  argument
413 	drbr_flush(NULL, br);  in drbr_free()
414 	buf_ring_free(br, type);  in drbr_free()