--- fwsync/driver/fwsync_workers.c	2022/08/13 18:16:39	1.11
+++ fwsync/driver/fwsync_workers.c	2022/08/18 12:34:00	1.15
@@ -272,3 +272,37 @@ fwsync_state_sync(const void *arg, const void *extdata
 	free(pkt, M_FWSYNC);
 	return 0;
 }
+
+int
+fwsync_alias_sync(const void *arg, const void *extdata)
+{
+	struct fws_sndpkt *pkt;
+	const struct cfg_nat *t = arg;
+
+	DTRACE();
+
+	mtx_lock(&fws_mtx_n);
+	pkt = TAILQ_FIRST(&fwsync_natpkt);
+	if (pkt)
+		TAILQ_REMOVE(&fwsync_natpkt, pkt, sp_next);
+	mtx_unlock(&fws_mtx_n);
+
+	if (!pkt)	/* update queue is empty */
+		return 0;
+
+	if (!(fws_cfg.cfg.on & CFG_SYNC_EDGE)) {
+		free(pkt, M_FWSYNC);
+		return EAGAIN;
+	}
+
+	printf("%s: pkt=%p t=%p\n", __func__, pkt, t->if_name);
+
+	LIBALIAS_LOCK(t->lib);
+	AddLink(t->lib, pkt->sp_proto.fws_saddr, pkt->sp_proto.fws_daddr, pkt->sp_proto.fws_aaddr, 
+			pkt->sp_proto.fws_sport, pkt->sp_proto.fws_dport, pkt->sp_proto.fws_aport, 
+			pkt->sp_proto.fws_linktype | LINK_SYNC_MASK);
+	LIBALIAS_UNLOCK(t->lib);
+
+	free(pkt, M_FWSYNC);
+	return 0;
+}