Index: sys/netpfil/pf/if_pfsync.c
===================================================================
--- sys/netpfil/pf/if_pfsync.c
+++ sys/netpfil/pf/if_pfsync.c
@@ -363,7 +363,7 @@
 	}
 
 	if (sync || (time_uptime - st->pfsync_time) < 2)
-		pfsync_push(sc);
+		sc->sc_flags |= PFSYNCF_PUSH;
 }
 
 static void
@@ -431,6 +431,10 @@
 	}
 
 	PFSYNC_UNLOCK(sc);
+
+	/* We can immediately send out the sync data now. */
+	pfsyncintr(sc);
+
 	CURVNET_RESTORE();
 }
 
@@ -1963,7 +1967,7 @@
 	callout_init_mtx(&pd->pd_tmo, &sc->sc_mtx, CALLOUT_RETURNUNLOCKED);
 	callout_reset(&pd->pd_tmo, 10, pfsync_defer_tmo, pd);
 
-	pfsync_push(sc);
+	sc->sc_flags |= PFSYNCF_PUSH;
 }
 
 static void
@@ -2242,7 +2246,7 @@
 		nlen += sizeof(struct pfsync_subheader);
 
 	if (sc->sc_len + nlen > sc->sc_ifp->if_mtu) {
-		pfsync_sendout(1);
+		pfsync_sendout(0);
 
 		nlen = sizeof(struct pfsync_subheader) + pfsync_qs[q].len;
 	}