net/octeontx: support fast mbuf free

[dpdk.git] / lib / librte_hash / rte_cuckoo_hash.c

diff --git a/lib/librte_hash/rte_cuckoo_hash.c b/lib/librte_hash/rte_cuckoo_hash.c
index 2ea33ce..6af8ca4 100644 (file)
--- a/lib/librte_hash/rte_cuckoo_hash.c
+++ b/lib/librte_hash/rte_cuckoo_hash.c
@@ -506,6 +506,21 @@ rte_hash_hash(const struct rte_hash *h, const void *key)
        return h->hash_func(key, h->key_len, h->hash_func_init_val);
 }
 
+int32_t
+rte_hash_max_key_id(const struct rte_hash *h)
+{
+       RETURN_IF_TRUE((h == NULL), -EINVAL);
+       if (h->use_local_cache)
+               /*
+                * Increase number of slots by total number of indices
+                * that can be stored in the lcore caches
+                */
+               return (h->entries + ((RTE_MAX_LCORE - 1) *
+                                       (LCORE_CACHE_SIZE - 1)));
+       else
+               return h->entries;
+}
+
 int32_t
 rte_hash_count(const struct rte_hash *h)
 {