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mbuf: Add mbufq_empty

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Complement to the existing mbufq_full

Reviewed by:	bz
Sponsored by:	Chelsio Communications
Differential Revision:	https://reviews.freebsd.org/D43337

(cherry picked from commit 76f405ed63)
This commit is contained in:
John Baldwin 2024-01-09 11:00:19 -08:00
parent 2bc7fdc3a8
commit 68fd49e8f5
1 changed files with 6 additions and 0 deletions
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6
sys/sys/mbuf.h
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@ -1609,6 +1609,12 @@ 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)
{