--- zzzz-none-000/linux-4.9.276/drivers/net/veth.c	2021-07-20 14:21:16.000000000 +0000
+++ falcon-5530-750/linux-4.9.276/drivers/net/veth.c	2023-04-05 08:19:01.000000000 +0000
@@ -133,7 +133,18 @@
 	rcu_read_unlock();
 	return NETDEV_TX_OK;
 }
+#if IS_ENABLED(CONFIG_PPA)
+extern int32_t (*ppa_if_ops_veth_xmit_fn)(struct net_device *dev);
 
+static int32_t ppa_if_dev_is_veth(struct net_device *netdev)
+{
+	int ret = 0;
+
+	ret = (veth_xmit == netdev->netdev_ops->ndo_start_xmit) ? 1 : 0;
+
+	return ret;
+}
+#endif
 /*
  * general routines
  */
@@ -535,11 +546,17 @@
 
 static __init int veth_init(void)
 {
+#if IS_ENABLED(CONFIG_PPA)
+	ppa_if_ops_veth_xmit_fn = ppa_if_dev_is_veth;
+#endif
 	return rtnl_link_register(&veth_link_ops);
 }
 
 static __exit void veth_exit(void)
 {
+#if IS_ENABLED(CONFIG_PPA)
+	ppa_if_ops_veth_xmit_fn = NULL;
+#endif
 	rtnl_link_unregister(&veth_link_ops);
 }