mbuf: Add mbufq_empty

Complement to the existing mbufq_full Reviewed by: bz Sponsored by: Chelsio Communications Differential Revision: https://reviews.freebsd.org/D43337
bsdjhb · Jan 9, 2024 · 76f405e · 76f405e
1 parent 6977311
commit 76f405e
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/sys/sys/mbuf.h b/sys/sys/mbuf.h
@@ -1607,6 +1607,12 @@ mbufq_last(const struct mbufq *mq)
 	return (STAILQ_LAST(&mq->mq_head, mbuf, m_stailqpkt));
 }
 
+static inline bool
+mbufq_empty(const struct mbufq *mq)
+{
+	return (mq->mq_len == 0);
+}
+
 static inline int
 mbufq_full(const struct mbufq *mq)
 {