--- zzzz-none-000/linux-3.10.107/include/linux/if_bridge.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/include/linux/if_bridge.h	2021-02-04 17:41:59.000000000 +0000
@@ -15,10 +15,115 @@
 
 #include <linux/netdevice.h>
 #include <uapi/linux/if_bridge.h>
+#include <linux/bitops.h>
+
+struct br_ip {
+	union {
+		__be32	ip4;
+#if IS_ENABLED(CONFIG_IPV6)
+		struct in6_addr ip6;
+#endif
+	} u;
+	__be16		proto;
+	__u16           vid;
+};
+
+struct br_ip_list {
+	struct list_head list;
+	struct br_ip addr;
+};
+
+#define BR_HAIRPIN_MODE		BIT(0)
+#define BR_BPDU_GUARD		BIT(1)
+#define BR_ROOT_BLOCK		BIT(2)
+#define BR_MULTICAST_FAST_LEAVE	BIT(3)
+#define BR_ADMIN_COST		BIT(4)
+#define BR_LEARNING		BIT(5)
+#define BR_FLOOD		BIT(6)
+#define BR_AUTO_MASK		(BR_FLOOD | BR_LEARNING)
+#define BR_PROMISC		BIT(7)
+#define BR_PROXYARP		BIT(8)
+#define BR_LEARNING_SYNC	BIT(9)
+#define BR_PROXYARP_WIFI	BIT(10)
+#define BR_ISOLATE_MODE	BIT(11)
+#define BR_MULTICAST_TO_UNICAST	BIT(12)
+
+#define BR_DEFAULT_AGEING_TIME	(300 * HZ)
+//TODO AVM_JBA_UNICAST->UCAST
+#define BR_MULTICAST_TO_UNICAST	BIT(12)
+
+struct net_bridge_port;
 
 extern void brioctl_set(int (*ioctl_hook)(struct net *, unsigned int, void __user *));
+extern struct net_device *br_port_dev_get(struct net_device *dev,
+					  unsigned char *addr,
+					  struct sk_buff *skb,
+					  unsigned int cookie);
+extern void br_refresh_fdb_entry(struct net_device *dev, const char *addr);
+extern void br_dev_update_stats(struct net_device *dev,
+				struct rtnl_link_stats64 *nlstats);
+extern struct net_bridge_fdb_entry *br_fdb_has_entry(struct net_device *dev,
+						     const char *addr,
+						     __u16 vid);
+extern void br_fdb_update_register_notify(struct notifier_block *nb);
+extern void br_fdb_update_unregister_notify(struct notifier_block *nb);
 
 typedef int br_should_route_hook_t(struct sk_buff *skb);
 extern br_should_route_hook_t __rcu *br_should_route_hook;
 
+#if IS_ENABLED(CONFIG_BRIDGE) && IS_ENABLED(CONFIG_BRIDGE_IGMP_SNOOPING)
+int br_multicast_list_adjacent(struct net_device *dev,
+			       struct list_head *br_ip_list);
+bool br_multicast_has_querier_anywhere(struct net_device *dev, int proto);
+bool br_multicast_has_querier_adjacent(struct net_device *dev, int proto);
+#else
+static inline int br_multicast_list_adjacent(struct net_device *dev,
+					     struct list_head *br_ip_list)
+{
+	return 0;
+}
+static inline bool br_multicast_has_querier_anywhere(struct net_device *dev,
+						     int proto)
+{
+	return false;
+}
+static inline bool br_multicast_has_querier_adjacent(struct net_device *dev,
+						     int proto)
+{
+	return false;
+}
+#endif
+
+typedef struct net_bridge_port *br_port_dev_get_hook_t(struct net_device *dev,
+						       struct sk_buff *skb,
+						       unsigned char *addr,
+						       unsigned int cookie);
+extern br_port_dev_get_hook_t __rcu *br_port_dev_get_hook;
+
+typedef void (br_notify_hook_t)(int group, int event, const void *ptr);
+extern br_notify_hook_t __rcu *br_notify_hook;
+typedef int (br_multicast_handle_hook_t)(const struct net_bridge_port *src,
+		struct sk_buff *skb);
+extern br_multicast_handle_hook_t __rcu *br_multicast_handle_hook;
+
+#define BR_FDB_EVENT_ADD     0x01
+#define BR_FDB_EVENT_DEL     0x02
+struct br_fdb_event {
+	unsigned char addr[6];
+	unsigned char is_local;
+	struct net_device *dev;
+	struct net_bridge *br;
+	struct net_device *orig_dev;
+};
+extern void br_fdb_register_notify(struct notifier_block *nb);
+extern void br_fdb_unregister_notify(struct notifier_block *nb);
+extern struct net_device *br_fdb_bridge_dev_get_and_hold(struct net_bridge *br);
+
+typedef struct net_bridge_port *br_get_dst_hook_t(
+		const struct net_bridge_port *src,
+		struct sk_buff **skb);
+extern br_get_dst_hook_t __rcu *br_get_dst_hook;
+
+typedef void (br_notify_hook_t)(int group, int event, const void *ptr);
+extern br_notify_hook_t __rcu *br_notify_hook;
 #endif