2 * Linux ethernet bridge
5 * Lennert Buytenhek <buytenh@gnu.org>
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version
10 * 2 of the License, or (at your option) any later version.
12 #ifndef _LINUX_IF_BRIDGE_H
13 #define _LINUX_IF_BRIDGE_H
16 #include <linux/netdevice.h>
17 #include <uapi/linux/if_bridge.h>
18 #include <linux/bitops.h>
23 #if IS_ENABLED(CONFIG_IPV6)
32 struct list_head list
;
36 #define BR_HAIRPIN_MODE BIT(0)
37 #define BR_BPDU_GUARD BIT(1)
38 #define BR_ROOT_BLOCK BIT(2)
39 #define BR_MULTICAST_FAST_LEAVE BIT(3)
40 #define BR_ADMIN_COST BIT(4)
41 #define BR_LEARNING BIT(5)
42 #define BR_FLOOD BIT(6)
43 #define BR_AUTO_MASK (BR_FLOOD | BR_LEARNING)
44 #define BR_PROMISC BIT(7)
45 #define BR_PROXYARP BIT(8)
46 #define BR_LEARNING_SYNC BIT(9)
47 #define BR_PROXYARP_WIFI BIT(10)
48 #define BR_MCAST_FLOOD BIT(11)
49 #define BR_MULTICAST_TO_UNICAST BIT(12)
50 #define BR_VLAN_TUNNEL BIT(13)
51 #define BR_BCAST_FLOOD BIT(14)
52 #define BR_NEIGH_SUPPRESS BIT(15)
53 #define BR_ISOLATED BIT(16)
55 #define BR_DEFAULT_AGEING_TIME (300 * HZ)
57 extern void brioctl_set(int (*ioctl_hook
)(struct net
*, unsigned int, void __user
*));
59 typedef int br_should_route_hook_t(struct sk_buff
*skb
);
60 extern br_should_route_hook_t __rcu
*br_should_route_hook
;
62 #if IS_ENABLED(CONFIG_BRIDGE) && IS_ENABLED(CONFIG_BRIDGE_IGMP_SNOOPING)
63 int br_multicast_list_adjacent(struct net_device
*dev
,
64 struct list_head
*br_ip_list
);
65 bool br_multicast_has_querier_anywhere(struct net_device
*dev
, int proto
);
66 bool br_multicast_has_querier_adjacent(struct net_device
*dev
, int proto
);
67 bool br_multicast_enabled(const struct net_device
*dev
);
68 bool br_multicast_router(const struct net_device
*dev
);
70 static inline int br_multicast_list_adjacent(struct net_device
*dev
,
71 struct list_head
*br_ip_list
)
75 static inline bool br_multicast_has_querier_anywhere(struct net_device
*dev
,
80 static inline bool br_multicast_has_querier_adjacent(struct net_device
*dev
,
85 static inline bool br_multicast_enabled(const struct net_device
*dev
)
89 static inline bool br_multicast_router(const struct net_device
*dev
)
95 #if IS_ENABLED(CONFIG_BRIDGE) && IS_ENABLED(CONFIG_BRIDGE_VLAN_FILTERING)
96 bool br_vlan_enabled(const struct net_device
*dev
);
97 int br_vlan_get_pvid(const struct net_device
*dev
, u16
*p_pvid
);
98 int br_vlan_get_info(const struct net_device
*dev
, u16 vid
,
99 struct bridge_vlan_info
*p_vinfo
);
101 static inline bool br_vlan_enabled(const struct net_device
*dev
)
106 static inline int br_vlan_get_pvid(const struct net_device
*dev
, u16
*p_pvid
)
111 static inline int br_vlan_get_info(const struct net_device
*dev
, u16 vid
,
112 struct bridge_vlan_info
*p_vinfo
)
118 #if IS_ENABLED(CONFIG_BRIDGE)
119 struct net_device
*br_fdb_find_port(const struct net_device
*br_dev
,
120 const unsigned char *addr
,
122 void br_fdb_clear_offload(const struct net_device
*dev
, u16 vid
);
123 bool br_port_flag_is_set(const struct net_device
*dev
, unsigned long flag
);
125 static inline struct net_device
*
126 br_fdb_find_port(const struct net_device
*br_dev
,
127 const unsigned char *addr
,
133 static inline void br_fdb_clear_offload(const struct net_device
*dev
, u16 vid
)
138 br_port_flag_is_set(const struct net_device
*dev
, unsigned long flag
)