--- zzzz-none-000/linux-4.4.60/include/uapi/linux/if_bonding.h	2017-04-08 07:53:53.000000000 +0000
+++ scorpion-7490-727/linux-4.4.60/include/uapi/linux/if_bonding.h	2021-02-04 17:41:59.000000000 +0000
@@ -70,6 +70,7 @@
 #define BOND_MODE_8023AD        4
 #define BOND_MODE_TLB           5
 #define BOND_MODE_ALB		6 /* TLB + RLB (receive load balancing) */
+#define BOND_MODE_L2DA          7
 
 /* each slave's link has 4 states */
 #define BOND_LINK_UP    0           /* link is up and running */
@@ -116,6 +117,21 @@
 	__u8 partner_system[ETH_ALEN];
 };
 
+#ifdef __KERNEL__
+struct bond_cb {
+	void (*bond_cb_link_up)(struct net_device *slave);
+	void (*bond_cb_link_down)(struct net_device *slave);
+	void (*bond_cb_enslave)(struct net_device *slave);
+	void (*bond_cb_release)(struct net_device *slave);
+	void (*bond_cb_delete_by_slave)(struct net_device *slave);
+	void (*bond_cb_delete_by_mac)(uint8_t *mac_addr);
+};
+
+extern int bond_register_cb(struct bond_cb *cb);
+extern void bond_unregister_cb(void);
+extern int bond_get_id(struct net_device *bond_dev);
+#endif /* __KERNEL__ */
+
 #endif /* _LINUX_IF_BONDING_H */
 
 /*