diff --git a/src/plugins/marvell/pp2/pp2.api b/src/plugins/marvell/pp2/pp2.api
index 2925e69..49913ff 100644
--- a/src/plugins/marvell/pp2/pp2.api
+++ b/src/plugins/marvell/pp2/pp2.api
@@ -17,6 +17,7 @@
 
 option version = "1.0.0";
 
+import "vnet/interface_types.api";
 
 /** \brief
     @param client_index - opaque cookie to identify the sender
@@ -30,7 +31,7 @@
   u32 client_index;
   u32 context;
 
-  u8 if_name[64];
+  string if_name[64];
   u16 rx_q_sz;
   u16 tx_q_sz;
   option vat_help = "[name <ifname>] [rx-queue-size <size>] [tx-queue-size <size>]";
@@ -46,7 +47,7 @@
 {
   u32 context;
   i32 retval;
-  u32 sw_if_index;
+  vl_api_interface_index_t sw_if_index;
 };
 
 
@@ -61,7 +62,7 @@
   u32 client_index;
   u32 context;
 
-  u32 sw_if_index;
+  vl_api_interface_index_t sw_if_index;
   option vat_help = "sw_if_index <sw_if_index>";
 };