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-rw-r--r--lib/librte_hash/rte_hash.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/lib/librte_hash/rte_hash.h b/lib/librte_hash/rte_hash.h
index c9612fbd..622c1800 100644
--- a/lib/librte_hash/rte_hash.h
+++ b/lib/librte_hash/rte_hash.h
@@ -271,6 +271,24 @@ rte_hash_del_key(const struct rte_hash *h, const void *key);
int32_t
rte_hash_del_key_with_hash(const struct rte_hash *h, const void *key, hash_sig_t sig);
+/**
+ * Find a key in the hash table given the position.
+ * This operation is multi-thread safe.
+ *
+ * @param h
+ * Hash table to get the key from.
+ * @param position
+ * Position returned when the key was inserted.
+ * @param key
+ * Output containing a pointer to the key
+ * @return
+ * - 0 if retrieved successfully
+ * - EINVAL if the parameters are invalid.
+ * - ENOENT if no valid key is found in the given position.
+ */
+int
+rte_hash_get_key_with_position(const struct rte_hash *h, const int32_t position,
+ void **key);
/**
* Find a key-value pair in the hash table.