--- fwsync/driver/fwsync.h	2022/08/03 17:07:07	1.5
+++ fwsync/driver/fwsync.h	2022/08/04 00:24:39	1.6
@@ -168,6 +168,7 @@ extern struct fwsync_context fws_ctx;
 extern struct cfg_sync fws_cfg;
 extern struct task fws_sndpkt_task;
 extern struct taskqueue *fws_tq;
+extern struct callout fws_co;
 extern struct mtx fws_mtx_c, fws_mtx_e;
 extern struct mbuf *fws_sndpkt;
 extern fwsync_sndpkt_t fwsync_sndpkt;