profinet: skip configuration for subslot 0x8000

profibus/lib/rt/src/os_linux/rt_pn_iface.cpp

@@ -445,9 +445,23 @@ void pack_download_req(T_PNAK_SERVICE_REQ_RES* ServiceReqRes,
       break;
   }
 
-  // printf("Number of modules for this slave: %d\n", num_modules);
-
-  //  num_modules = dev_data->slot_data.size();
+  // Ignore Interface subslots as they break the device configuration
+  for (ii = 0; ii < num_modules; ii++)
+  {
+    for (std::vector<GsdmlSubslotData*>::iterator it = dev_data->slot_data[ii]->subslot_data.begin(); it != dev_data->slot_data[ii]->subslot_data.end();)
+    {
+      // The interface submodule is always 32768 according to the standard
+      if ((*it)->subslot_number == 32768)
+      {
+        delete *it;
+        it = dev_data->slot_data[ii]->subslot_data.erase(it);
+      }
+      else
+      {
+        it++;
+      }
+    }
+  }
 
   /* Calculate num apis */