diff --git a/include/linux/phylink.h b/include/linux/phylink.h
index f7b5ed06a815..bc4b866cd99b 100644
--- a/include/linux/phylink.h
+++ b/include/linux/phylink.h
@@ -76,6 +76,7 @@ struct phylink_config {
 	bool ovr_an_inband;
 	void (*get_fixed_state)(struct phylink_config *config,
 				struct phylink_link_state *state);
+	DECLARE_PHY_INTERFACE_MASK(supported_interfaces);
 };
 
 /**