+/**
+ * Create a user-owned mempool cache.
+ *
+ * This can be used by non-EAL threads to enable caching when they
+ * interact with a mempool.
+ *
+ * @param size
+ * The size of the mempool cache. See rte_mempool_create()'s cache_size
+ * parameter description for more information. The same limits and
+ * considerations apply here too.
+ * @param socket_id
+ * The socket identifier in the case of NUMA. The value can be
+ * SOCKET_ID_ANY if there is no NUMA constraint for the reserved zone.
+ */
+struct rte_mempool_cache *
+rte_mempool_cache_create(uint32_t size, int socket_id);
+
+/**
+ * Free a user-owned mempool cache.
+ *
+ * @param cache
+ * A pointer to the mempool cache.
+ */
+void
+rte_mempool_cache_free(struct rte_mempool_cache *cache);
+
+/**
+ * Flush a user-owned mempool cache to the specified mempool.
+ *
+ * @param cache
+ * A pointer to the mempool cache.
+ * @param mp
+ * A pointer to the mempool.
+ */
+static inline void __attribute__((always_inline))
+rte_mempool_cache_flush(struct rte_mempool_cache *cache,
+ struct rte_mempool *mp)
+{
+ rte_mempool_ops_enqueue_bulk(mp, cache->objs, cache->len);
+ cache->len = 0;
+}
+
+/**
+ * Get a pointer to the per-lcore default mempool cache.
+ *
+ * @param mp
+ * A pointer to the mempool structure.
+ * @param lcore_id
+ * The logical core id.
+ * @return
+ * A pointer to the mempool cache or NULL if disabled or non-EAL thread.
+ */
+static inline struct rte_mempool_cache *__attribute__((always_inline))
+rte_mempool_default_cache(struct rte_mempool *mp, unsigned lcore_id)
+{
+ if (mp->cache_size == 0)
+ return NULL;
+
+ if (lcore_id >= RTE_MAX_LCORE)
+ return NULL;
+
+ return &mp->local_cache[lcore_id];
+}
+