hash: support no free on delete

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

diff --git a/lib/librte_hash/rte_cuckoo_hash.h b/lib/librte_hash/rte_cuckoo_hash.h
index 8c522ac..ff95181 100644 (file)
--- a/lib/librte_hash/rte_cuckoo_hash.h
+++ b/lib/librte_hash/rte_cuckoo_hash.h
@@ -168,6 +168,12 @@ struct rte_hash {
        uint8_t readwrite_concur_support;
        /**< If read-write concurrency support is enabled */
        uint8_t ext_table_support;     /**< Enable extendable bucket table */
+       uint8_t no_free_on_del;
+       /**< If key index should be freed on calling rte_hash_del_xxx APIs.
+        * If this is set, rte_hash_free_key_with_position must be called to
+        * free the key index associated with the deleted entry.
+        * This flag is enabled by default.
+        */
        uint8_t writer_takes_lock;
        /**< Indicates if the writer threads need to take lock */
        rte_hash_function hash_func;    /**< Function used to calculate hash. */