Commit | Line | Data |
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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) |
47211192 | 60 | #define BR_TX_FWD_OFFLOAD BIT(20) |
a21d9a67 | 61 | #define BR_PORT_LOCKED BIT(21) |
a35ec8e3 | 62 | #define BR_PORT_MAB BIT(22) |
a714e3ec | 63 | #define BR_NEIGH_VLAN_SUPPRESS BIT(23) |
065c212a | 64 | |
a79e88d9 SF |
65 | #define BR_DEFAULT_AGEING_TIME (300 * HZ) |
66 | ||
ad2f99ae AB |
67 | struct net_bridge; |
68 | void brioctl_set(int (*hook)(struct net *net, struct net_bridge *br, | |
69 | unsigned int cmd, struct ifreq *ifr, | |
70 | void __user *uarg)); | |
71 | int br_ioctl_call(struct net *net, struct net_bridge *br, unsigned int cmd, | |
72 | struct ifreq *ifr, void __user *uarg); | |
a386f990 | 73 | |
f941a6d9 | 74 | #if IS_ENABLED(CONFIG_BRIDGE) && IS_ENABLED(CONFIG_BRIDGE_IGMP_SNOOPING) |
07f8ac4a LL |
75 | int br_multicast_list_adjacent(struct net_device *dev, |
76 | struct list_head *br_ip_list); | |
c34963e2 | 77 | bool br_multicast_has_querier_anywhere(struct net_device *dev, int proto); |
2cd41431 | 78 | bool br_multicast_has_querier_adjacent(struct net_device *dev, int proto); |
3b85f9ba | 79 | bool br_multicast_has_router_adjacent(struct net_device *dev, int proto); |
9341b988 | 80 | bool br_multicast_enabled(const struct net_device *dev); |
0912bda4 | 81 | bool br_multicast_router(const struct net_device *dev); |
f941a6d9 LL |
82 | #else |
83 | static inline int br_multicast_list_adjacent(struct net_device *dev, | |
84 | struct list_head *br_ip_list) | |
85 | { | |
86 | return 0; | |
87 | } | |
c34963e2 LL |
88 | static inline bool br_multicast_has_querier_anywhere(struct net_device *dev, |
89 | int proto) | |
90 | { | |
91 | return false; | |
92 | } | |
f941a6d9 LL |
93 | static inline bool br_multicast_has_querier_adjacent(struct net_device *dev, |
94 | int proto) | |
95 | { | |
96 | return false; | |
97 | } | |
3b85f9ba LL |
98 | |
99 | static inline bool br_multicast_has_router_adjacent(struct net_device *dev, | |
100 | int proto) | |
101 | { | |
102 | return true; | |
103 | } | |
104 | ||
9341b988 IS |
105 | static inline bool br_multicast_enabled(const struct net_device *dev) |
106 | { | |
107 | return false; | |
108 | } | |
0912bda4 YG |
109 | static inline bool br_multicast_router(const struct net_device *dev) |
110 | { | |
111 | return false; | |
112 | } | |
f941a6d9 | 113 | #endif |
1da177e4 | 114 | |
1f51445a IS |
115 | #if IS_ENABLED(CONFIG_BRIDGE) && IS_ENABLED(CONFIG_BRIDGE_VLAN_FILTERING) |
116 | bool br_vlan_enabled(const struct net_device *dev); | |
4d4fd361 | 117 | int br_vlan_get_pvid(const struct net_device *dev, u16 *p_pvid); |
7582f5b7 | 118 | int br_vlan_get_pvid_rcu(const struct net_device *dev, u16 *p_pvid); |
31aed46f | 119 | int br_vlan_get_proto(const struct net_device *dev, u16 *p_proto); |
4d4fd361 PM |
120 | int br_vlan_get_info(const struct net_device *dev, u16 vid, |
121 | struct bridge_vlan_info *p_vinfo); | |
ee80dd2e VO |
122 | int br_vlan_get_info_rcu(const struct net_device *dev, u16 vid, |
123 | struct bridge_vlan_info *p_vinfo); | |
48d57b2e | 124 | bool br_mst_enabled(const struct net_device *dev); |
cceac97a | 125 | int br_mst_get_info(const struct net_device *dev, u16 msti, unsigned long *vids); |
f54fd0e1 | 126 | int br_mst_get_state(const struct net_device *dev, u16 msti, u8 *state); |
1f51445a IS |
127 | #else |
128 | static inline bool br_vlan_enabled(const struct net_device *dev) | |
129 | { | |
130 | return false; | |
131 | } | |
4d4fd361 PM |
132 | |
133 | static inline int br_vlan_get_pvid(const struct net_device *dev, u16 *p_pvid) | |
134 | { | |
000244d3 | 135 | return -EINVAL; |
4d4fd361 PM |
136 | } |
137 | ||
31aed46f | 138 | static inline int br_vlan_get_proto(const struct net_device *dev, u16 *p_proto) |
139 | { | |
140 | return -EINVAL; | |
141 | } | |
142 | ||
7582f5b7 PNA |
143 | static inline int br_vlan_get_pvid_rcu(const struct net_device *dev, u16 *p_pvid) |
144 | { | |
145 | return -EINVAL; | |
146 | } | |
147 | ||
4d4fd361 PM |
148 | static inline int br_vlan_get_info(const struct net_device *dev, u16 vid, |
149 | struct bridge_vlan_info *p_vinfo) | |
ee80dd2e VO |
150 | { |
151 | return -EINVAL; | |
152 | } | |
153 | ||
154 | static inline int br_vlan_get_info_rcu(const struct net_device *dev, u16 vid, | |
155 | struct bridge_vlan_info *p_vinfo) | |
4d4fd361 | 156 | { |
000244d3 | 157 | return -EINVAL; |
4d4fd361 | 158 | } |
cceac97a | 159 | |
48d57b2e TW |
160 | static inline bool br_mst_enabled(const struct net_device *dev) |
161 | { | |
162 | return false; | |
163 | } | |
164 | ||
cceac97a TW |
165 | static inline int br_mst_get_info(const struct net_device *dev, u16 msti, |
166 | unsigned long *vids) | |
167 | { | |
168 | return -EINVAL; | |
169 | } | |
f54fd0e1 TW |
170 | static inline int br_mst_get_state(const struct net_device *dev, u16 msti, |
171 | u8 *state) | |
172 | { | |
173 | return -EINVAL; | |
174 | } | |
4d4fd361 PM |
175 | #endif |
176 | ||
177 | #if IS_ENABLED(CONFIG_BRIDGE) | |
178 | struct net_device *br_fdb_find_port(const struct net_device *br_dev, | |
179 | const unsigned char *addr, | |
180 | __u16 vid); | |
43920edf | 181 | void br_fdb_clear_offload(const struct net_device *dev, u16 vid); |
085ddc87 | 182 | bool br_port_flag_is_set(const struct net_device *dev, unsigned long flag); |
c0e715bb | 183 | u8 br_port_get_stp_state(const struct net_device *dev); |
bdf123b4 | 184 | clock_t br_get_ageing_time(const struct net_device *br_dev); |
4d4fd361 PM |
185 | #else |
186 | static inline struct net_device * | |
187 | br_fdb_find_port(const struct net_device *br_dev, | |
188 | const unsigned char *addr, | |
189 | __u16 vid) | |
190 | { | |
191 | return NULL; | |
192 | } | |
43920edf PM |
193 | |
194 | static inline void br_fdb_clear_offload(const struct net_device *dev, u16 vid) | |
195 | { | |
196 | } | |
197 | ||
085ddc87 IS |
198 | static inline bool |
199 | br_port_flag_is_set(const struct net_device *dev, unsigned long flag) | |
200 | { | |
201 | return false; | |
202 | } | |
c0e715bb VO |
203 | |
204 | static inline u8 br_port_get_stp_state(const struct net_device *dev) | |
205 | { | |
206 | return BR_STATE_DISABLED; | |
207 | } | |
f1d42ea1 | 208 | |
bdf123b4 | 209 | static inline clock_t br_get_ageing_time(const struct net_device *br_dev) |
f1d42ea1 VO |
210 | { |
211 | return 0; | |
212 | } | |
1f51445a IS |
213 | #endif |
214 | ||
1da177e4 | 215 | #endif |