diff --git a/include/osmocom/bsc/gsm_data.h b/include/osmocom/bsc/gsm_data.h
index d801d2c..42eb583 100644
--- a/include/osmocom/bsc/gsm_data.h
+++ b/include/osmocom/bsc/gsm_data.h
@@ -1649,8 +1649,16 @@
 	/* Use a TCH for handling requests of type paging any */
 	int pag_any_tch;
 
-	/* MSC data in case we are a true BSC */
-	struct osmo_bsc_data *bsc_data;
+	/* msc configuration */
+	struct llist_head mscs;
+
+	/* rf ctl related bits */
+	int mid_call_timeout;
+	char *rf_ctrl_name;
+	struct osmo_bsc_rf *rf_ctrl;
+	int auto_off_timeout;
+
+	struct bsc_cbc_link *cbc;
 
 	/* control interface */
 	struct ctrl_handle *ctrl;