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2874c5fd | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
1da177e4 LT |
2 | /* |
3 | * Linux ethernet bridge | |
4 | * | |
5 | * Authors: | |
6 | * Lennert Buytenhek <buytenh@gnu.org> | |
1da177e4 | 7 | */ |
1da177e4 LT |
8 | #ifndef _LINUX_IF_BRIDGE_H |
9 | #define _LINUX_IF_BRIDGE_H | |
10 | ||
1da177e4 LT |
11 | |
12 | #include <linux/netdevice.h> | |
607ca46e | 13 | #include <uapi/linux/if_bridge.h> |
065c212a | 14 | #include <linux/bitops.h> |
1da177e4 | 15 | |
07f8ac4a LL |
16 | struct br_ip { |
17 | union { | |
18 | __be32 ip4; | |
19 | #if IS_ENABLED(CONFIG_IPV6) | |
20 | struct in6_addr ip6; | |
21 | #endif | |
22 | } u; | |
23 | __be16 proto; | |
24 | __u16 vid; | |
25 | }; | |
26 | ||
27 | struct br_ip_list { | |
28 | struct list_head list; | |
29 | struct br_ip addr; | |
30 | }; | |
31 | ||
065c212a SF |
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) | |
efacacda | 42 | #define BR_LEARNING_SYNC BIT(9) |
842a9ae0 | 43 | #define BR_PROXYARP_WIFI BIT(10) |
b6cb5ac8 | 44 | #define BR_MCAST_FLOOD BIT(11) |
6db6f0ea | 45 | #define BR_MULTICAST_TO_UNICAST BIT(12) |
b3c7ef0a | 46 | #define BR_VLAN_TUNNEL BIT(13) |
99f906e9 | 47 | #define BR_BCAST_FLOOD BIT(14) |
821f1b21 | 48 | #define BR_NEIGH_SUPPRESS BIT(15) |
7d850abd | 49 | #define BR_ISOLATED BIT(16) |
065c212a | 50 | |
a79e88d9 SF |
51 | #define BR_DEFAULT_AGEING_TIME (300 * HZ) |
52 | ||
881d966b | 53 | extern void brioctl_set(int (*ioctl_hook)(struct net *, unsigned int, void __user *)); |
a386f990 | 54 | |
f941a6d9 | 55 | #if IS_ENABLED(CONFIG_BRIDGE) && IS_ENABLED(CONFIG_BRIDGE_IGMP_SNOOPING) |
07f8ac4a LL |
56 | int br_multicast_list_adjacent(struct net_device *dev, |
57 | struct list_head *br_ip_list); | |
c34963e2 | 58 | bool br_multicast_has_querier_anywhere(struct net_device *dev, int proto); |
2cd41431 | 59 | bool br_multicast_has_querier_adjacent(struct net_device *dev, int proto); |
9341b988 | 60 | bool br_multicast_enabled(const struct net_device *dev); |
0912bda4 | 61 | bool br_multicast_router(const struct net_device *dev); |
f941a6d9 LL |
62 | #else |
63 | static inline int br_multicast_list_adjacent(struct net_device *dev, | |
64 | struct list_head *br_ip_list) | |
65 | { | |
66 | return 0; | |
67 | } | |
c34963e2 LL |
68 | static inline bool br_multicast_has_querier_anywhere(struct net_device *dev, |
69 | int proto) | |
70 | { | |
71 | return false; | |
72 | } | |
f941a6d9 LL |
73 | static inline bool br_multicast_has_querier_adjacent(struct net_device *dev, |
74 | int proto) | |
75 | { | |
76 | return false; | |
77 | } | |
9341b988 IS |
78 | static inline bool br_multicast_enabled(const struct net_device *dev) |
79 | { | |
80 | return false; | |
81 | } | |
0912bda4 YG |
82 | static inline bool br_multicast_router(const struct net_device *dev) |
83 | { | |
84 | return false; | |
85 | } | |
f941a6d9 | 86 | #endif |
1da177e4 | 87 | |
1f51445a IS |
88 | #if IS_ENABLED(CONFIG_BRIDGE) && IS_ENABLED(CONFIG_BRIDGE_VLAN_FILTERING) |
89 | bool br_vlan_enabled(const struct net_device *dev); | |
4d4fd361 PM |
90 | int br_vlan_get_pvid(const struct net_device *dev, u16 *p_pvid); |
91 | int br_vlan_get_info(const struct net_device *dev, u16 vid, | |
92 | struct bridge_vlan_info *p_vinfo); | |
1f51445a IS |
93 | #else |
94 | static inline bool br_vlan_enabled(const struct net_device *dev) | |
95 | { | |
96 | return false; | |
97 | } | |
4d4fd361 PM |
98 | |
99 | static inline int br_vlan_get_pvid(const struct net_device *dev, u16 *p_pvid) | |
100 | { | |
000244d3 | 101 | return -EINVAL; |
4d4fd361 PM |
102 | } |
103 | ||
104 | static inline int br_vlan_get_info(const struct net_device *dev, u16 vid, | |
105 | struct bridge_vlan_info *p_vinfo) | |
106 | { | |
000244d3 | 107 | return -EINVAL; |
4d4fd361 PM |
108 | } |
109 | #endif | |
110 | ||
111 | #if IS_ENABLED(CONFIG_BRIDGE) | |
112 | struct net_device *br_fdb_find_port(const struct net_device *br_dev, | |
113 | const unsigned char *addr, | |
114 | __u16 vid); | |
43920edf | 115 | void br_fdb_clear_offload(const struct net_device *dev, u16 vid); |
085ddc87 | 116 | bool br_port_flag_is_set(const struct net_device *dev, unsigned long flag); |
4d4fd361 PM |
117 | #else |
118 | static inline struct net_device * | |
119 | br_fdb_find_port(const struct net_device *br_dev, | |
120 | const unsigned char *addr, | |
121 | __u16 vid) | |
122 | { | |
123 | return NULL; | |
124 | } | |
43920edf PM |
125 | |
126 | static inline void br_fdb_clear_offload(const struct net_device *dev, u16 vid) | |
127 | { | |
128 | } | |
129 | ||
085ddc87 IS |
130 | static inline bool |
131 | br_port_flag_is_set(const struct net_device *dev, unsigned long flag) | |
132 | { | |
133 | return false; | |
134 | } | |
1f51445a IS |
135 | #endif |
136 | ||
1da177e4 | 137 | #endif |