[dpdk-dev] [PATCH v2 2/5] ring: add a function to return the ring size
Bruce Richardson
bruce.richardson at intel.com
Thu Feb 23 17:42:00 CET 2017
Applications and other libraries should not be reading inside the
rte_ring structure directly to get the ring size. Instead add a fn
to allow it to be queried.
Signed-off-by: Bruce Richardson <bruce.richardson at intel.com>
---
lib/librte_ring/rte_ring.h | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/lib/librte_ring/rte_ring.h b/lib/librte_ring/rte_ring.h
index e359aff..72ccca5 100644
--- a/lib/librte_ring/rte_ring.h
+++ b/lib/librte_ring/rte_ring.h
@@ -1108,6 +1108,20 @@ rte_ring_free_count(const struct rte_ring *r)
}
/**
+ * Return the size of the ring.
+ *
+ * @param r
+ * A pointer to the ring structure.
+ * @return
+ * The number of elements which can be stored in the ring.
+ */
+static inline unsigned int
+rte_ring_get_size(const struct rte_ring *r)
+{
+ return r->prod.size;
+}
+
+/**
* Dump the status of all rings on the console
*
* @param f
--
2.9.3
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