diff --git a/sys/net/if.c b/sys/net/if.c
--- a/sys/net/if.c
+++ b/sys/net/if.c
@@ -4905,6 +4905,12 @@
 	return (ifp->if_get_counter(ifp, counter));
 }
 
+bool
+if_altq_is_enabled(if_t ifp)
+{
+	return (ALTQ_IS_ENABLED(&ifp->if_snd));
+}
+
 struct vnet *
 if_getvnet(if_t ifp)
 {
diff --git a/sys/net/if_var.h b/sys/net/if_var.h
--- a/sys/net/if_var.h
+++ b/sys/net/if_var.h
@@ -646,6 +646,8 @@
 uint8_t if_getpcp(if_t ifp);
 void *if_getl2com(if_t ifp);
 struct ifvlantrunk *if_getvlantrunk(if_t ifp);
+bool if_altq_is_enabled(if_t ifp);
+
 void *if_getafdata(if_t ifp, int);
 
 /*