Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * Linux ethernet bridge | |
3 | * | |
4 | * Authors: | |
5 | * Lennert Buytenhek <buytenh@gnu.org> | |
6 | * | |
1da177e4 LT |
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. | |
11 | */ | |
1da177e4 LT |
12 | #ifndef _LINUX_IF_BRIDGE_H |
13 | #define _LINUX_IF_BRIDGE_H | |
14 | ||
1da177e4 LT |
15 | |
16 | #include <linux/netdevice.h> | |
607ca46e | 17 | #include <uapi/linux/if_bridge.h> |
065c212a | 18 | #include <linux/bitops.h> |
1da177e4 | 19 | |
07f8ac4a LL |
20 | struct br_ip { |
21 | union { | |
22 | __be32 ip4; | |
23 | #if IS_ENABLED(CONFIG_IPV6) | |
24 | struct in6_addr ip6; | |
25 | #endif | |
26 | } u; | |
27 | __be16 proto; | |
28 | __u16 vid; | |
29 | }; | |
30 | ||
31 | struct br_ip_list { | |
32 | struct list_head list; | |
33 | struct br_ip addr; | |
34 | }; | |
35 | ||
065c212a SF |
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) | |
efacacda | 46 | #define BR_LEARNING_SYNC BIT(9) |
065c212a | 47 | |
881d966b | 48 | extern void brioctl_set(int (*ioctl_hook)(struct net *, unsigned int, void __user *)); |
a386f990 | 49 | |
2f46e079 | 50 | typedef int br_should_route_hook_t(struct sk_buff *skb); |
a386f990 | 51 | extern br_should_route_hook_t __rcu *br_should_route_hook; |
f941a6d9 LL |
52 | |
53 | #if IS_ENABLED(CONFIG_BRIDGE) && IS_ENABLED(CONFIG_BRIDGE_IGMP_SNOOPING) | |
07f8ac4a LL |
54 | int br_multicast_list_adjacent(struct net_device *dev, |
55 | struct list_head *br_ip_list); | |
c34963e2 | 56 | bool br_multicast_has_querier_anywhere(struct net_device *dev, int proto); |
2cd41431 | 57 | bool br_multicast_has_querier_adjacent(struct net_device *dev, int proto); |
f941a6d9 LL |
58 | #else |
59 | static inline int br_multicast_list_adjacent(struct net_device *dev, | |
60 | struct list_head *br_ip_list) | |
61 | { | |
62 | return 0; | |
63 | } | |
c34963e2 LL |
64 | static inline bool br_multicast_has_querier_anywhere(struct net_device *dev, |
65 | int proto) | |
66 | { | |
67 | return false; | |
68 | } | |
f941a6d9 LL |
69 | static inline bool br_multicast_has_querier_adjacent(struct net_device *dev, |
70 | int proto) | |
71 | { | |
72 | return false; | |
73 | } | |
74 | #endif | |
1da177e4 LT |
75 | |
76 | #endif |