--- zzzz-none-000/linux-5.4.213/net/netfilter/nft_flow_offload.c	2022-09-15 10:04:56.000000000 +0000
+++ miami-7690-761/linux-5.4.213/net/netfilter/nft_flow_offload.c	2024-05-29 11:20:02.000000000 +0000
@@ -128,6 +128,9 @@
 	if (ret < 0)
 		goto err_flow_add;
 
+	if (flowtable->flags & NF_FLOWTABLE_F_HW)
+		nf_flow_offload_hw_add(nft_net(pkt), flow, ct);
+
 	dst_release(route.tuple[!dir].dst);
 	return;
 
@@ -234,47 +237,14 @@
 	.owner		= THIS_MODULE,
 };
 
-static int flow_offload_netdev_event(struct notifier_block *this,
-				     unsigned long event, void *ptr)
-{
-	struct net_device *dev = netdev_notifier_info_to_dev(ptr);
-
-	if (event != NETDEV_DOWN)
-		return NOTIFY_DONE;
-
-	nf_flow_table_cleanup(dev);
-
-	return NOTIFY_DONE;
-}
-
-static struct notifier_block flow_offload_netdev_notifier = {
-	.notifier_call	= flow_offload_netdev_event,
-};
-
 static int __init nft_flow_offload_module_init(void)
 {
-	int err;
-
-	err = register_netdevice_notifier(&flow_offload_netdev_notifier);
-	if (err)
-		goto err;
-
-	err = nft_register_expr(&nft_flow_offload_type);
-	if (err < 0)
-		goto register_expr;
-
-	return 0;
-
-register_expr:
-	unregister_netdevice_notifier(&flow_offload_netdev_notifier);
-err:
-	return err;
+	return nft_register_expr(&nft_flow_offload_type);
 }
 
 static void __exit nft_flow_offload_module_exit(void)
 {
 	nft_unregister_expr(&nft_flow_offload_type);
-	unregister_netdevice_notifier(&flow_offload_netdev_notifier);
 }
 
 module_init(nft_flow_offload_module_init);