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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; | |
e1ac1185 NA |
21 | #endif |
22 | } src; | |
23 | union { | |
24 | __be32 ip4; | |
25 | #if IS_ENABLED(CONFIG_IPV6) | |
26 | struct in6_addr ip6; | |
07f8ac4a | 27 | #endif |
955062b0 | 28 | unsigned char mac_addr[ETH_ALEN]; |
eab3227b | 29 | } dst; |
07f8ac4a LL |
30 | __be16 proto; |
31 | __u16 vid; | |
32 | }; | |
33 | ||
34 | struct br_ip_list { | |
35 | struct list_head list; | |
36 | struct br_ip addr; | |
37 | }; | |
38 | ||
065c212a SF |
39 | #define BR_HAIRPIN_MODE BIT(0) |
40 | #define BR_BPDU_GUARD BIT(1) | |
41 | #define BR_ROOT_BLOCK BIT(2) | |
42 | #define BR_MULTICAST_FAST_LEAVE BIT(3) | |
43 | #define BR_ADMIN_COST BIT(4) | |
44 | #define BR_LEARNING BIT(5) | |
45 | #define BR_FLOOD BIT(6) | |
46 | #define BR_AUTO_MASK (BR_FLOOD | BR_LEARNING) | |
47 | #define BR_PROMISC BIT(7) | |
48 | #define BR_PROXYARP BIT(8) | |
efacacda | 49 | #define BR_LEARNING_SYNC BIT(9) |
842a9ae0 | 50 | #define BR_PROXYARP_WIFI BIT(10) |
b6cb5ac8 | 51 | #define BR_MCAST_FLOOD BIT(11) |
6db6f0ea | 52 | #define BR_MULTICAST_TO_UNICAST BIT(12) |
b3c7ef0a | 53 | #define BR_VLAN_TUNNEL BIT(13) |
99f906e9 | 54 | #define BR_BCAST_FLOOD BIT(14) |
821f1b21 | 55 | #define BR_NEIGH_SUPPRESS BIT(15) |
7d850abd | 56 | #define BR_ISOLATED BIT(16) |
4b8d7d4c HV |
57 | #define BR_MRP_AWARE BIT(17) |
58 | #define BR_MRP_LOST_CONT BIT(18) | |
43364ef1 | 59 | #define BR_MRP_LOST_IN_CONT BIT(19) |
065c212a | 60 | |
a79e88d9 SF |
61 | #define BR_DEFAULT_AGEING_TIME (300 * HZ) |
62 | ||
881d966b | 63 | extern void brioctl_set(int (*ioctl_hook)(struct net *, unsigned int, void __user *)); |
a386f990 | 64 | |
f941a6d9 | 65 | #if IS_ENABLED(CONFIG_BRIDGE) && IS_ENABLED(CONFIG_BRIDGE_IGMP_SNOOPING) |
07f8ac4a LL |
66 | int br_multicast_list_adjacent(struct net_device *dev, |
67 | struct list_head *br_ip_list); | |
c34963e2 | 68 | bool br_multicast_has_querier_anywhere(struct net_device *dev, int proto); |
2cd41431 | 69 | bool br_multicast_has_querier_adjacent(struct net_device *dev, int proto); |
9341b988 | 70 | bool br_multicast_enabled(const struct net_device *dev); |
0912bda4 | 71 | bool br_multicast_router(const struct net_device *dev); |
4f2673b3 VO |
72 | int br_mdb_replay(struct net_device *br_dev, struct net_device *dev, |
73 | struct notifier_block *nb, struct netlink_ext_ack *extack); | |
f941a6d9 LL |
74 | #else |
75 | static inline int br_multicast_list_adjacent(struct net_device *dev, | |
76 | struct list_head *br_ip_list) | |
77 | { | |
78 | return 0; | |
79 | } | |
c34963e2 LL |
80 | static inline bool br_multicast_has_querier_anywhere(struct net_device *dev, |
81 | int proto) | |
82 | { | |
83 | return false; | |
84 | } | |
f941a6d9 LL |
85 | static inline bool br_multicast_has_querier_adjacent(struct net_device *dev, |
86 | int proto) | |
87 | { | |
88 | return false; | |
89 | } | |
9341b988 IS |
90 | static inline bool br_multicast_enabled(const struct net_device *dev) |
91 | { | |
92 | return false; | |
93 | } | |
0912bda4 YG |
94 | static inline bool br_multicast_router(const struct net_device *dev) |
95 | { | |
96 | return false; | |
97 | } | |
4f2673b3 VO |
98 | static inline int br_mdb_replay(struct net_device *br_dev, |
99 | struct net_device *dev, | |
100 | struct notifier_block *nb, | |
101 | struct netlink_ext_ack *extack) | |
102 | { | |
103 | return -EOPNOTSUPP; | |
104 | } | |
f941a6d9 | 105 | #endif |
1da177e4 | 106 | |
1f51445a IS |
107 | #if IS_ENABLED(CONFIG_BRIDGE) && IS_ENABLED(CONFIG_BRIDGE_VLAN_FILTERING) |
108 | bool br_vlan_enabled(const struct net_device *dev); | |
4d4fd361 | 109 | int br_vlan_get_pvid(const struct net_device *dev, u16 *p_pvid); |
7582f5b7 | 110 | int br_vlan_get_pvid_rcu(const struct net_device *dev, u16 *p_pvid); |
31aed46f | 111 | int br_vlan_get_proto(const struct net_device *dev, u16 *p_proto); |
4d4fd361 PM |
112 | int br_vlan_get_info(const struct net_device *dev, u16 vid, |
113 | struct bridge_vlan_info *p_vinfo); | |
22f67cdf VO |
114 | int br_vlan_replay(struct net_device *br_dev, struct net_device *dev, |
115 | struct notifier_block *nb, struct netlink_ext_ack *extack); | |
1f51445a IS |
116 | #else |
117 | static inline bool br_vlan_enabled(const struct net_device *dev) | |
118 | { | |
119 | return false; | |
120 | } | |
4d4fd361 PM |
121 | |
122 | static inline int br_vlan_get_pvid(const struct net_device *dev, u16 *p_pvid) | |
123 | { | |
000244d3 | 124 | return -EINVAL; |
4d4fd361 PM |
125 | } |
126 | ||
31aed46f | 127 | static inline int br_vlan_get_proto(const struct net_device *dev, u16 *p_proto) |
128 | { | |
129 | return -EINVAL; | |
130 | } | |
131 | ||
7582f5b7 PNA |
132 | static inline int br_vlan_get_pvid_rcu(const struct net_device *dev, u16 *p_pvid) |
133 | { | |
134 | return -EINVAL; | |
135 | } | |
136 | ||
4d4fd361 PM |
137 | static inline int br_vlan_get_info(const struct net_device *dev, u16 vid, |
138 | struct bridge_vlan_info *p_vinfo) | |
139 | { | |
000244d3 | 140 | return -EINVAL; |
4d4fd361 | 141 | } |
22f67cdf VO |
142 | |
143 | static inline int br_vlan_replay(struct net_device *br_dev, | |
144 | struct net_device *dev, | |
145 | struct notifier_block *nb, | |
146 | struct netlink_ext_ack *extack) | |
147 | { | |
148 | return -EOPNOTSUPP; | |
149 | } | |
4d4fd361 PM |
150 | #endif |
151 | ||
152 | #if IS_ENABLED(CONFIG_BRIDGE) | |
153 | struct net_device *br_fdb_find_port(const struct net_device *br_dev, | |
154 | const unsigned char *addr, | |
155 | __u16 vid); | |
43920edf | 156 | void br_fdb_clear_offload(const struct net_device *dev, u16 vid); |
085ddc87 | 157 | bool br_port_flag_is_set(const struct net_device *dev, unsigned long flag); |
c0e715bb | 158 | u8 br_port_get_stp_state(const struct net_device *dev); |
f1d42ea1 | 159 | clock_t br_get_ageing_time(struct net_device *br_dev); |
04846f90 VO |
160 | int br_fdb_replay(struct net_device *br_dev, struct net_device *dev, |
161 | struct notifier_block *nb); | |
4d4fd361 PM |
162 | #else |
163 | static inline struct net_device * | |
164 | br_fdb_find_port(const struct net_device *br_dev, | |
165 | const unsigned char *addr, | |
166 | __u16 vid) | |
167 | { | |
168 | return NULL; | |
169 | } | |
43920edf PM |
170 | |
171 | static inline void br_fdb_clear_offload(const struct net_device *dev, u16 vid) | |
172 | { | |
173 | } | |
174 | ||
085ddc87 IS |
175 | static inline bool |
176 | br_port_flag_is_set(const struct net_device *dev, unsigned long flag) | |
177 | { | |
178 | return false; | |
179 | } | |
c0e715bb VO |
180 | |
181 | static inline u8 br_port_get_stp_state(const struct net_device *dev) | |
182 | { | |
183 | return BR_STATE_DISABLED; | |
184 | } | |
f1d42ea1 VO |
185 | |
186 | static inline clock_t br_get_ageing_time(struct net_device *br_dev) | |
187 | { | |
188 | return 0; | |
189 | } | |
04846f90 VO |
190 | |
191 | static inline int br_fdb_replay(struct net_device *br_dev, | |
192 | struct net_device *dev, | |
193 | struct notifier_block *nb) | |
194 | { | |
195 | return -EOPNOTSUPP; | |
196 | } | |
1f51445a IS |
197 | #endif |
198 | ||
1da177e4 | 199 | #endif |