--- zzzz-none-000/linux-4.4.271/include/net/bonding.h	2021-06-03 06:22:09.000000000 +0000
+++ hawkeye-5590-750/linux-4.4.271/include/net/bonding.h	2023-04-19 10:22:30.000000000 +0000
@@ -29,6 +29,7 @@
 #include <net/bond_3ad.h>
 #include <net/bond_alb.h>
 #include <net/bond_options.h>
+#include <net/bond_l2da.h>
 
 #define BOND_MAX_ARP_TARGETS	16
 
@@ -89,6 +90,8 @@
 #define bond_for_each_slave_rcu(bond, pos, iter) \
 	netdev_for_each_lower_private_rcu((bond)->dev, pos, iter)
 
+extern struct bond_cb __rcu *bond_cb;
+
 #ifdef CONFIG_NET_POLL_CONTROLLER
 extern atomic_t netpoll_block_tx;
 
@@ -230,6 +233,7 @@
 	u32      rr_tx_counter;
 	struct   ad_bond_info ad_info;
 	struct   alb_bond_info alb_info;
+	struct   l2da_bond_info l2da_info;
 	struct   bond_params params;
 	struct   workqueue_struct *wq;
 	struct   delayed_work mii_work;
@@ -243,7 +247,22 @@
 	struct	 dentry *debug_dir;
 #endif /* CONFIG_DEBUG_FS */
 	struct rtnl_link_stats64 bond_stats;
+	u32      id;
+};
+
+#pragma pack(1)
+struct arp_pkt {
+	__be16  hw_addr_space;
+	__be16  prot_addr_space;
+	u8      hw_addr_len;
+	u8      prot_addr_len;
+	__be16  op_code;
+	u8      mac_src[ETH_ALEN];	/* sender hardware address */
+	__be32  ip_src;			/* sender IP address */
+	u8      mac_dst[ETH_ALEN];	/* target hardware address */
+	__be32  ip_dst;			/* target IP address */
 };
+#pragma pack()
 
 #define bond_slave_get_rcu(dev) \
 	((struct slave *) rcu_dereference(dev->rx_handler_data))
@@ -286,6 +305,11 @@
 	       BOND_MODE(bond) == BOND_MODE_ALB;
 }
 
+static inline bool bond_is_l2da(const struct bonding *bond)
+{
+	return bond->params.mode == BOND_MODE_L2DA;
+}
+
 static inline bool bond_is_nondyn_tlb(const struct bonding *bond)
 {
 	return (BOND_MODE(bond) == BOND_MODE_TLB)  &&
@@ -571,6 +595,11 @@
 					      int level);
 int bond_update_slave_arr(struct bonding *bond, struct slave *skipslave);
 void bond_slave_arr_work_rearm(struct bonding *bond, unsigned long delay);
+uint32_t bond_xmit_hash_without_skb(uint8_t *src_mac, uint8_t *dst_mac,
+				    void *psrc, void *pdst, uint16_t protocol,
+				    struct net_device *bond_dev,
+				    __be16 *layer4hdr);
+void bond_notify_l2da(uint8_t *slave_mac_addr);
 
 #ifdef CONFIG_PROC_FS
 void bond_create_proc_entry(struct bonding *bond);
@@ -681,4 +710,16 @@
 	dev_kfree_skb_any(skb);
 }
 
+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 /* _NET_BONDING_H */