1 files changed, 20 insertions, 0 deletions
diff --git a/src/vnet/interface_funcs.h b/src/vnet/interface_funcs.h
index ab808dfa545..b3aca2fdd28 100644
--- a/src/vnet/interface_funcs.h
+++ b/src/vnet/interface_funcs.h
@@ -183,6 +183,26 @@ vnet_sw_interface_is_admin_up (vnet_main_t * vnm, u32 sw_if_index)
 }
 
 always_inline uword
+vnet_swif_is_api_visible (vnet_sw_interface_t * si)
+{
+  return !(si->flags & VNET_SW_INTERFACE_FLAG_HIDDEN);
+}
+
+always_inline uword
+vnet_sw_interface_is_api_visible (vnet_main_t * vnm, u32 sw_if_index)
+{
+  vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
+  return vnet_swif_is_api_visible (si);
+}
+
+always_inline uword
+vnet_sw_interface_is_api_valid (vnet_main_t * vnm, u32 sw_if_index)
+{
+  return !pool_is_free_index (vnm->interface_main.sw_interfaces, sw_if_index)
+    && vnet_sw_interface_is_api_visible (vnm, sw_if_index);
+}
+
+always_inline uword
 vnet_hw_interface_get_flags (vnet_main_t * vnm, u32 hw_if_index)
 {
   vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, hw_if_index);