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)
49 /* values as per ieee8021QBridgeFdbAgingTime */
50 #define BR_MIN_AGEING_TIME (10 * HZ)
51 #define BR_MAX_AGEING_TIME (1000000 * HZ)
53 #define BR_DEFAULT_AGEING_TIME (300 * HZ)
55 extern void brioctl_set(int (*ioctl_hook)(struct net *, unsigned int, void __user *));
57 typedef int br_should_route_hook_t(struct sk_buff *skb);
58 extern br_should_route_hook_t __rcu *br_should_route_hook;
60 #if IS_ENABLED(CONFIG_BRIDGE) && IS_ENABLED(CONFIG_BRIDGE_IGMP_SNOOPING)
61 int br_multicast_list_adjacent(struct net_device *dev,
62 struct list_head *br_ip_list);
63 bool br_multicast_has_querier_anywhere(struct net_device *dev, int proto);
64 bool br_multicast_has_querier_adjacent(struct net_device *dev, int proto);
66 static inline int br_multicast_list_adjacent(struct net_device *dev,
67 struct list_head *br_ip_list)
71 static inline bool br_multicast_has_querier_anywhere(struct net_device *dev,
76 static inline bool br_multicast_has_querier_adjacent(struct net_device *dev,