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) |
842a9ae0 | 47 | #define BR_PROXYARP_WIFI BIT(10) |
b6cb5ac8 | 48 | #define BR_MCAST_FLOOD BIT(11) |
6db6f0ea | 49 | #define BR_MULTICAST_TO_UNICAST BIT(12) |
b3c7ef0a | 50 | #define BR_VLAN_TUNNEL BIT(13) |
99f906e9 | 51 | #define BR_BCAST_FLOOD BIT(14) |
821f1b21 | 52 | #define BR_NEIGH_SUPPRESS BIT(15) |
7d850abd | 53 | #define BR_ISOLATED BIT(16) |
065c212a | 54 | |
a79e88d9 SF |
55 | #define BR_DEFAULT_AGEING_TIME (300 * HZ) |
56 | ||
881d966b | 57 | extern void brioctl_set(int (*ioctl_hook)(struct net *, unsigned int, void __user *)); |
a386f990 | 58 | |
2f46e079 | 59 | typedef int br_should_route_hook_t(struct sk_buff *skb); |
a386f990 | 60 | extern br_should_route_hook_t __rcu *br_should_route_hook; |
f941a6d9 LL |
61 | |
62 | #if IS_ENABLED(CONFIG_BRIDGE) && IS_ENABLED(CONFIG_BRIDGE_IGMP_SNOOPING) | |
07f8ac4a LL |
63 | int br_multicast_list_adjacent(struct net_device *dev, |
64 | struct list_head *br_ip_list); | |
c34963e2 | 65 | bool br_multicast_has_querier_anywhere(struct net_device *dev, int proto); |
2cd41431 | 66 | bool br_multicast_has_querier_adjacent(struct net_device *dev, int proto); |
9341b988 | 67 | bool br_multicast_enabled(const struct net_device *dev); |
0912bda4 | 68 | bool br_multicast_router(const struct net_device *dev); |
f941a6d9 LL |
69 | #else |
70 | static inline int br_multicast_list_adjacent(struct net_device *dev, | |
71 | struct list_head *br_ip_list) | |
72 | { | |
73 | return 0; | |
74 | } | |
c34963e2 LL |
75 | static inline bool br_multicast_has_querier_anywhere(struct net_device *dev, |
76 | int proto) | |
77 | { | |
78 | return false; | |
79 | } | |
f941a6d9 LL |
80 | static inline bool br_multicast_has_querier_adjacent(struct net_device *dev, |
81 | int proto) | |
82 | { | |
83 | return false; | |
84 | } | |
9341b988 IS |
85 | static inline bool br_multicast_enabled(const struct net_device *dev) |
86 | { | |
87 | return false; | |
88 | } | |
0912bda4 YG |
89 | static inline bool br_multicast_router(const struct net_device *dev) |
90 | { | |
91 | return false; | |
92 | } | |
f941a6d9 | 93 | #endif |
1da177e4 | 94 | |
1f51445a IS |
95 | #if IS_ENABLED(CONFIG_BRIDGE) && IS_ENABLED(CONFIG_BRIDGE_VLAN_FILTERING) |
96 | bool br_vlan_enabled(const struct net_device *dev); | |
4d4fd361 PM |
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); | |
1f51445a IS |
100 | #else |
101 | static inline bool br_vlan_enabled(const struct net_device *dev) | |
102 | { | |
103 | return false; | |
104 | } | |
4d4fd361 PM |
105 | |
106 | static inline int br_vlan_get_pvid(const struct net_device *dev, u16 *p_pvid) | |
107 | { | |
000244d3 | 108 | return -EINVAL; |
4d4fd361 PM |
109 | } |
110 | ||
111 | static inline int br_vlan_get_info(const struct net_device *dev, u16 vid, | |
112 | struct bridge_vlan_info *p_vinfo) | |
113 | { | |
000244d3 | 114 | return -EINVAL; |
4d4fd361 PM |
115 | } |
116 | #endif | |
117 | ||
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, | |
121 | __u16 vid); | |
122 | #else | |
123 | static inline struct net_device * | |
124 | br_fdb_find_port(const struct net_device *br_dev, | |
125 | const unsigned char *addr, | |
126 | __u16 vid) | |
127 | { | |
128 | return NULL; | |
129 | } | |
1f51445a IS |
130 | #endif |
131 | ||
1da177e4 | 132 | #endif |