SDCA_ACCESS_LAYER_DEVICE
skip_primary_routes = (control->layers == SDCA_ACCESS_LAYER_DEVICE);
if (control->layers == SDCA_ACCESS_LAYER_DEVICE)
return control->layers & ~SDCA_ACCESS_LAYER_DEVICE;
if (control->layers & SDCA_ACCESS_LAYER_DEVICE)
return control->layers & ~SDCA_ACCESS_LAYER_DEVICE;