@@ -29,6 +29,7 @@ rte_class_unregister(struct rte_class *class)
        RTE_LOG(DEBUG, EAL, "Unregistered [%s] device class.\n", class->name);
 }
 
+__rte_experimental
 struct rte_class *
 rte_class_find(const struct rte_class *start, rte_class_cmp_t cmp,
               const void *data)

@@ -55,6 +56,7 @@ cmp_class_name(const struct rte_class *class, const void *_name)
        return strcmp(class->name, name);
 }
 
+__rte_experimental
 struct rte_class *
 rte_class_find_by_name(const char *name)
 {

--- a/lib/librte_eal/common/include/rte_class.h
+++ b/lib/librte_eal/common/include/rte_class.h

@@ -76,6 +76,7 @@ typedef int (*rte_class_cmp_t)(const struct rte_class *cls, const void *data);
  * @return
  *      A pointer to a rte_class structure or NULL in case no class matches
  */
+__rte_experimental
 struct rte_class *
 rte_class_find(const struct rte_class *start, rte_class_cmp_t cmp,
               const void *data);

@@ -83,6 +84,7 @@ rte_class_find(const struct rte_class *start, rte_class_cmp_t cmp,
 /**
  * Find the registered class for a given name.
  */
+__rte_experimental
 struct rte_class *
 rte_class_find_by_name(const char *name);
 

--- a/lib/librte_eal/rte_eal_version.map
+++ b/lib/librte_eal/rte_eal_version.map

@@ -254,6 +254,8 @@ DPDK_18.08 {
 EXPERIMENTAL {
        global:
 
+       rte_class_find;
+       rte_class_find_by_name;
        rte_class_register;
        rte_class_unregister;
        rte_ctrl_thread_create;