feature: API cleanup

Use consistent API types.

Type: fix

Signed-off-by: Jakub Grajciar <jgrajcia@cisco.com>
Change-Id: Id1e7210298cb494f3cb7a47a9ecf2bc1d9c1d58e
diff --git a/src/vnet/feature/feature.api b/src/vnet/feature/feature.api
index 96ee724..7b52a66 100644
--- a/src/vnet/feature/feature.api
+++ b/src/vnet/feature/feature.api
@@ -16,10 +16,12 @@
 /** \file
 
     This file defines VPP feature control-plane API messages which are generally
-    called through a shared memory interface. 
+    called through a shared memory interface.
 */
 
-option version = "1.0.1";
+option version = "1.0.2";
+
+import "vnet/interface_types.api";
 
 /** \brief Feature path enable/disable request
     @param client_index - opaque cookie to identify the sender
@@ -30,10 +32,10 @@
 autoreply define feature_enable_disable {
     u32 client_index;
     u32 context;
-    u32 sw_if_index;
-    u8 enable;
-    u8 arc_name[64];
-    u8 feature_name[64];
+    vl_api_interface_index_t sw_if_index;
+    bool enable;
+    string arc_name[64];
+    string feature_name[64];
 };
 
 /*