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)
28 struct list_head list;
32 #define BR_HAIRPIN_MODE BIT(0)
33 #define BR_BPDU_GUARD BIT(1)
34 #define BR_ROOT_BLOCK BIT(2)
35 #define BR_MULTICAST_FAST_LEAVE BIT(3)
36 #define BR_ADMIN_COST BIT(4)
37 #define BR_LEARNING BIT(5)
38 #define BR_FLOOD BIT(6)
39 #define BR_AUTO_MASK (BR_FLOOD | BR_LEARNING)
40 #define BR_PROMISC BIT(7)
41 #define BR_PROXYARP BIT(8)
42 #define BR_LEARNING_SYNC BIT(9)
43 #define BR_PROXYARP_WIFI BIT(10)
44 #define BR_MCAST_FLOOD BIT(11)
45 #define BR_MULTICAST_TO_UNICAST BIT(12)
46 #define BR_VLAN_TUNNEL BIT(13)
47 #define BR_BCAST_FLOOD BIT(14)
48 #define BR_NEIGH_SUPPRESS BIT(15)
49 #define BR_ISOLATED BIT(16)
51 #define BR_DEFAULT_AGEING_TIME (300 * HZ)
53 extern void brioctl_set(int (*ioctl_hook)(struct net *, unsigned int, void __user *));
55 #if IS_ENABLED(CONFIG_BRIDGE) && IS_ENABLED(CONFIG_BRIDGE_IGMP_SNOOPING)
56 int br_multicast_list_adjacent(struct net_device *dev,
57 struct list_head *br_ip_list);
58 bool br_multicast_has_querier_anywhere(struct net_device *dev, int proto);
59 bool br_multicast_has_querier_adjacent(struct net_device *dev, int proto);
60 bool br_multicast_enabled(const struct net_device *dev);
61 bool br_multicast_router(const struct net_device *dev);
63 static inline int br_multicast_list_adjacent(struct net_device *dev,
64 struct list_head *br_ip_list)
68 static inline bool br_multicast_has_querier_anywhere(struct net_device *dev,
73 static inline bool br_multicast_has_querier_adjacent(struct net_device *dev,
78 static inline bool br_multicast_enabled(const struct net_device *dev)
82 static inline bool br_multicast_router(const struct net_device *dev)
88 #if IS_ENABLED(CONFIG_BRIDGE) && IS_ENABLED(CONFIG_BRIDGE_VLAN_FILTERING)
89 bool br_vlan_enabled(const struct net_device *dev);
90 int br_vlan_get_pvid(const struct net_device *dev, u16 *p_pvid);
91 int br_vlan_get_pvid_rcu(const struct net_device *dev, u16 *p_pvid);
92 int br_vlan_get_proto(const struct net_device *dev, u16 *p_proto);
93 int br_vlan_get_info(const struct net_device *dev, u16 vid,
94 struct bridge_vlan_info *p_vinfo);
96 static inline bool br_vlan_enabled(const struct net_device *dev)
101 static inline int br_vlan_get_pvid(const struct net_device *dev, u16 *p_pvid)
106 static inline int br_vlan_get_proto(const struct net_device *dev, u16 *p_proto)
111 static inline int br_vlan_get_pvid_rcu(const struct net_device *dev, u16 *p_pvid)
116 static inline int br_vlan_get_info(const struct net_device *dev, u16 vid,
117 struct bridge_vlan_info *p_vinfo)
123 #if IS_ENABLED(CONFIG_BRIDGE)
124 struct net_device *br_fdb_find_port(const struct net_device *br_dev,
125 const unsigned char *addr,
127 void br_fdb_clear_offload(const struct net_device *dev, u16 vid);
128 bool br_port_flag_is_set(const struct net_device *dev, unsigned long flag);
130 static inline struct net_device *
131 br_fdb_find_port(const struct net_device *br_dev,
132 const unsigned char *addr,
138 static inline void br_fdb_clear_offload(const struct net_device *dev, u16 vid)
143 br_port_flag_is_set(const struct net_device *dev, unsigned long flag)