1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * Linux ethernet bridge
8 #ifndef _LINUX_IF_BRIDGE_H
9 #define _LINUX_IF_BRIDGE_H
12 #include <linux/netdevice.h>
13 #include <uapi/linux/if_bridge.h>
14 #include <linux/bitops.h>
19 #if IS_ENABLED(CONFIG_IPV6)
25 #if IS_ENABLED(CONFIG_IPV6)
28 unsigned char mac_addr[ETH_ALEN];
35 struct list_head list;
39 #define BR_HAIRPIN_MODE BIT(0)
40 #define BR_BPDU_GUARD BIT(1)
41 #define BR_ROOT_BLOCK BIT(2)
42 #define BR_MULTICAST_FAST_LEAVE BIT(3)
43 #define BR_ADMIN_COST BIT(4)
44 #define BR_LEARNING BIT(5)
45 #define BR_FLOOD BIT(6)
46 #define BR_AUTO_MASK (BR_FLOOD | BR_LEARNING)
47 #define BR_PROMISC BIT(7)
48 #define BR_PROXYARP BIT(8)
49 #define BR_LEARNING_SYNC BIT(9)
50 #define BR_PROXYARP_WIFI BIT(10)
51 #define BR_MCAST_FLOOD BIT(11)
52 #define BR_MULTICAST_TO_UNICAST BIT(12)
53 #define BR_VLAN_TUNNEL BIT(13)
54 #define BR_BCAST_FLOOD BIT(14)
55 #define BR_NEIGH_SUPPRESS BIT(15)
56 #define BR_ISOLATED BIT(16)
57 #define BR_MRP_AWARE BIT(17)
58 #define BR_MRP_LOST_CONT BIT(18)
59 #define BR_MRP_LOST_IN_CONT BIT(19)
61 #define BR_DEFAULT_AGEING_TIME (300 * HZ)
63 extern void brioctl_set(int (*ioctl_hook)(struct net *, unsigned int, void __user *));
65 #if IS_ENABLED(CONFIG_BRIDGE) && IS_ENABLED(CONFIG_BRIDGE_IGMP_SNOOPING)
66 int br_multicast_list_adjacent(struct net_device *dev,
67 struct list_head *br_ip_list);
68 bool br_multicast_has_querier_anywhere(struct net_device *dev, int proto);
69 bool br_multicast_has_querier_adjacent(struct net_device *dev, int proto);
70 bool br_multicast_enabled(const struct net_device *dev);
71 bool br_multicast_router(const struct net_device *dev);
73 static inline int br_multicast_list_adjacent(struct net_device *dev,
74 struct list_head *br_ip_list)
78 static inline bool br_multicast_has_querier_anywhere(struct net_device *dev,
83 static inline bool br_multicast_has_querier_adjacent(struct net_device *dev,
88 static inline bool br_multicast_enabled(const struct net_device *dev)
92 static inline bool br_multicast_router(const struct net_device *dev)
98 #if IS_ENABLED(CONFIG_BRIDGE) && IS_ENABLED(CONFIG_BRIDGE_VLAN_FILTERING)
99 bool br_vlan_enabled(const struct net_device *dev);
100 int br_vlan_get_pvid(const struct net_device *dev, u16 *p_pvid);
101 int br_vlan_get_pvid_rcu(const struct net_device *dev, u16 *p_pvid);
102 int br_vlan_get_proto(const struct net_device *dev, u16 *p_proto);
103 int br_vlan_get_info(const struct net_device *dev, u16 vid,
104 struct bridge_vlan_info *p_vinfo);
106 static inline bool br_vlan_enabled(const struct net_device *dev)
111 static inline int br_vlan_get_pvid(const struct net_device *dev, u16 *p_pvid)
116 static inline int br_vlan_get_proto(const struct net_device *dev, u16 *p_proto)
121 static inline int br_vlan_get_pvid_rcu(const struct net_device *dev, u16 *p_pvid)
126 static inline int br_vlan_get_info(const struct net_device *dev, u16 vid,
127 struct bridge_vlan_info *p_vinfo)
133 #if IS_ENABLED(CONFIG_BRIDGE)
134 struct net_device *br_fdb_find_port(const struct net_device *br_dev,
135 const unsigned char *addr,
137 void br_fdb_clear_offload(const struct net_device *dev, u16 vid);
138 bool br_port_flag_is_set(const struct net_device *dev, unsigned long flag);
140 static inline struct net_device *
141 br_fdb_find_port(const struct net_device *br_dev,
142 const unsigned char *addr,
148 static inline void br_fdb_clear_offload(const struct net_device *dev, u16 vid)
153 br_port_flag_is_set(const struct net_device *dev, unsigned long flag)