hash: check if slot is empty with key index

[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 6c76700faec2a7ff16fd6c725f04b72ae6a2adf0..e290dab9bcf7b75e547f570975e76297ea868b5b 100644 (file)
--- a/lib/librte_hash/rte_cuckoo_hash.h
+++ b/lib/librte_hash/rte_cuckoo_hash.h
@@ -134,6 +134,8 @@ enum add_key_case {
 
 #define NULL_SIGNATURE                 0
 
+#define EMPTY_SLOT                     0
+
 #define KEY_ALIGNMENT                  16
 
 #define LCORE_CACHE_SIZE               64