3 files changed, 7 insertions, 0 deletions
diff --git a/src/vnet/session/application.c b/src/vnet/session/application.c
index 12f816bfe3b..14169fab83d 100644
--- a/src/vnet/session/application.c
+++ b/src/vnet/session/application.c
@@ -305,6 +305,8 @@ application_init (application_t * app, u32 api_client_index, u64 * options,
     props->tx_fifo_size = options[APP_OPTIONS_TX_FIFO_SIZE];
   if (options[APP_OPTIONS_EVT_QUEUE_SIZE])
     props->evt_q_size = options[APP_OPTIONS_EVT_QUEUE_SIZE];
+  if (options[APP_OPTIONS_TLS_ENGINE])
+    app->tls_engine = options[APP_OPTIONS_TLS_ENGINE];
   props->segment_type = seg_type;
 
   first_seg_size = options[APP_OPTIONS_SEGMENT_SIZE];
diff --git a/src/vnet/session/application.h b/src/vnet/session/application.h
index 8e5c2de0494..4050cb47bd4 100644
--- a/src/vnet/session/application.h
+++ b/src/vnet/session/application.h
@@ -125,6 +125,9 @@ typedef struct _application
 
   /** PEM encoded key */
   u8 *tls_key;
+
+  /** Preferred tls engine */
+  u8 tls_engine;
 } application_t;
 
 #define APP_INVALID_INDEX ((u32)~0)
diff --git a/src/vnet/session/application_interface.h b/src/vnet/session/application_interface.h
index deddb648630..f72a4619974 100644
--- a/src/vnet/session/application_interface.h
+++ b/src/vnet/session/application_interface.h
@@ -21,6 +21,7 @@
 #include <vnet/session/session.h>
 #include <vnet/session/application.h>
 #include <vnet/session/transport.h>
+#include <vnet/tls/tls.h>
 
 typedef struct _vnet_app_attach_args_t
 {
@@ -124,6 +125,7 @@ typedef enum
   APP_OPTIONS_NAMESPACE_SECRET,
   APP_OPTIONS_PROXY_TRANSPORT,
   APP_OPTIONS_ACCEPT_COOKIE,
+  APP_OPTIONS_TLS_ENGINE,
   APP_OPTIONS_N_OPTIONS
 } app_attach_options_index_t;