Author: glebius
Date: Fri Aug 30 00:03:41 2019
New Revision: 351615
URL: https://svnweb.freebsd.org/changeset/base/351615
Log:
Allow mbuf queues to be unlimited.
There is number of legacy code that uses ifqueue without setting
a limit on it first. Easier to allow for that rather than improve
legacy drivers.
Modified:
head/sys/sys/mbuf.h
Modified: head/sys/sys/mbuf.h
==============================================================================
--- head/sys/sys/mbuf.h Thu Aug 29 23:23:12 2019 (r351614)
+++ head/sys/sys/mbuf.h Fri Aug 30 00:03:41 2019 (r351615)
@@ -1434,7 +1434,7 @@ static inline int
mbufq_full(const struct mbufq *mq)
{
- return (mq->mq_len >= mq->mq_maxlen);
+ return (mq->mq_maxlen > 0 && mq->mq_len >= mq->mq_maxlen);
}
static inline int
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