Commit | Line | Data |
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2874c5fd | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
007f790c JP |
2 | /* |
3 | * include/net/switchdev.h - Switch device API | |
7ea6eb3f | 4 | * Copyright (c) 2014-2015 Jiri Pirko <jiri@resnulli.us> |
f8f21471 | 5 | * Copyright (c) 2014-2015 Scott Feldman <sfeldma@gmail.com> |
007f790c JP |
6 | */ |
7 | #ifndef _LINUX_SWITCHDEV_H_ | |
8 | #define _LINUX_SWITCHDEV_H_ | |
9 | ||
10 | #include <linux/netdevice.h> | |
03bf0c28 | 11 | #include <linux/notifier.h> |
7ea6eb3f | 12 | #include <linux/list.h> |
850d0cbc | 13 | #include <net/ip_fib.h> |
03bf0c28 | 14 | |
3094333d | 15 | #define SWITCHDEV_F_NO_RECURSE BIT(0) |
464314ea | 16 | #define SWITCHDEV_F_SKIP_EOPNOTSUPP BIT(1) |
0bc05d58 | 17 | #define SWITCHDEV_F_DEFER BIT(2) |
3094333d | 18 | |
7ea6eb3f | 19 | struct switchdev_trans { |
f623ab7f | 20 | bool ph_prepare; |
7ea6eb3f JP |
21 | }; |
22 | ||
8bdb4272 JP |
23 | static inline bool switchdev_trans_ph_prepare(struct switchdev_trans *trans) |
24 | { | |
f623ab7f | 25 | return trans && trans->ph_prepare; |
8bdb4272 JP |
26 | } |
27 | ||
28 | static inline bool switchdev_trans_ph_commit(struct switchdev_trans *trans) | |
29 | { | |
f623ab7f | 30 | return trans && !trans->ph_prepare; |
8bdb4272 JP |
31 | } |
32 | ||
3094333d | 33 | enum switchdev_attr_id { |
1f868398 | 34 | SWITCHDEV_ATTR_ID_UNDEFINED, |
1f868398 JP |
35 | SWITCHDEV_ATTR_ID_PORT_STP_STATE, |
36 | SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS, | |
746dc184 | 37 | SWITCHDEV_ATTR_ID_PORT_PRE_BRIDGE_FLAGS, |
6d549648 | 38 | SWITCHDEV_ATTR_ID_PORT_MROUTER, |
f55ac58a | 39 | SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME, |
81435c33 | 40 | SWITCHDEV_ATTR_ID_BRIDGE_VLAN_FILTERING, |
147c1e9b | 41 | SWITCHDEV_ATTR_ID_BRIDGE_MC_DISABLED, |
77041420 | 42 | SWITCHDEV_ATTR_ID_BRIDGE_MROUTER, |
3094333d SF |
43 | }; |
44 | ||
45 | struct switchdev_attr { | |
6ff64f6f | 46 | struct net_device *orig_dev; |
3094333d | 47 | enum switchdev_attr_id id; |
3094333d | 48 | u32 flags; |
7ceb2afb ER |
49 | void *complete_priv; |
50 | void (*complete)(struct net_device *dev, int err, void *priv); | |
f8e20a9f | 51 | union { |
35636062 | 52 | u8 stp_state; /* PORT_STP_STATE */ |
746dc184 | 53 | unsigned long brport_flags; /* PORT_{PRE}_BRIDGE_FLAGS */ |
6d549648 | 54 | bool mrouter; /* PORT_MROUTER */ |
eabfdda9 | 55 | clock_t ageing_time; /* BRIDGE_AGEING_TIME */ |
81435c33 | 56 | bool vlan_filtering; /* BRIDGE_VLAN_FILTERING */ |
147c1e9b | 57 | bool mc_disabled; /* MC_DISABLED */ |
42275bd8 | 58 | } u; |
3094333d SF |
59 | }; |
60 | ||
491d0f15 | 61 | enum switchdev_obj_id { |
57d80838 JP |
62 | SWITCHDEV_OBJ_ID_UNDEFINED, |
63 | SWITCHDEV_OBJ_ID_PORT_VLAN, | |
4d41e125 | 64 | SWITCHDEV_OBJ_ID_PORT_MDB, |
47d5b6db | 65 | SWITCHDEV_OBJ_ID_HOST_MDB, |
491d0f15 SF |
66 | }; |
67 | ||
648b4a99 | 68 | struct switchdev_obj { |
6ff64f6f | 69 | struct net_device *orig_dev; |
9e8f4a54 | 70 | enum switchdev_obj_id id; |
4d429c5d | 71 | u32 flags; |
7ceb2afb ER |
72 | void *complete_priv; |
73 | void (*complete)(struct net_device *dev, int err, void *priv); | |
648b4a99 JP |
74 | }; |
75 | ||
57d80838 | 76 | /* SWITCHDEV_OBJ_ID_PORT_VLAN */ |
8f24f309 | 77 | struct switchdev_obj_port_vlan { |
648b4a99 | 78 | struct switchdev_obj obj; |
44bbcf5c VD |
79 | u16 flags; |
80 | u16 vid_begin; | |
81 | u16 vid_end; | |
82 | }; | |
83 | ||
ec394af5 PM |
84 | #define SWITCHDEV_OBJ_PORT_VLAN(OBJ) \ |
85 | container_of((OBJ), struct switchdev_obj_port_vlan, obj) | |
648b4a99 | 86 | |
4d41e125 ER |
87 | /* SWITCHDEV_OBJ_ID_PORT_MDB */ |
88 | struct switchdev_obj_port_mdb { | |
89 | struct switchdev_obj obj; | |
90 | unsigned char addr[ETH_ALEN]; | |
91 | u16 vid; | |
92 | }; | |
93 | ||
ec394af5 PM |
94 | #define SWITCHDEV_OBJ_PORT_MDB(OBJ) \ |
95 | container_of((OBJ), struct switchdev_obj_port_mdb, obj) | |
4d41e125 | 96 | |
648b4a99 JP |
97 | typedef int switchdev_obj_dump_cb_t(struct switchdev_obj *obj); |
98 | ||
ebb9a03a | 99 | enum switchdev_notifier_type { |
6b26b51b AS |
100 | SWITCHDEV_FDB_ADD_TO_BRIDGE = 1, |
101 | SWITCHDEV_FDB_DEL_TO_BRIDGE, | |
102 | SWITCHDEV_FDB_ADD_TO_DEVICE, | |
103 | SWITCHDEV_FDB_DEL_TO_DEVICE, | |
9fe8bcec | 104 | SWITCHDEV_FDB_OFFLOADED, |
9a997353 | 105 | |
aa4efe21 PM |
106 | SWITCHDEV_PORT_OBJ_ADD, /* Blocking. */ |
107 | SWITCHDEV_PORT_OBJ_DEL, /* Blocking. */ | |
1cb33af1 | 108 | SWITCHDEV_PORT_ATTR_SET, /* May be blocking . */ |
aa4efe21 | 109 | |
5728ae0d PM |
110 | SWITCHDEV_VXLAN_FDB_ADD_TO_BRIDGE, |
111 | SWITCHDEV_VXLAN_FDB_DEL_TO_BRIDGE, | |
9a997353 PM |
112 | SWITCHDEV_VXLAN_FDB_ADD_TO_DEVICE, |
113 | SWITCHDEV_VXLAN_FDB_DEL_TO_DEVICE, | |
0efe1173 | 114 | SWITCHDEV_VXLAN_FDB_OFFLOADED, |
3aeb6617 JP |
115 | }; |
116 | ||
ebb9a03a | 117 | struct switchdev_notifier_info { |
03bf0c28 | 118 | struct net_device *dev; |
479c86dc | 119 | struct netlink_ext_ack *extack; |
03bf0c28 JP |
120 | }; |
121 | ||
ebb9a03a JP |
122 | struct switchdev_notifier_fdb_info { |
123 | struct switchdev_notifier_info info; /* must be first */ | |
3aeb6617 JP |
124 | const unsigned char *addr; |
125 | u16 vid; | |
e9ba0fbc IS |
126 | u8 added_by_user:1, |
127 | offloaded:1; | |
3aeb6617 JP |
128 | }; |
129 | ||
aa4efe21 PM |
130 | struct switchdev_notifier_port_obj_info { |
131 | struct switchdev_notifier_info info; /* must be first */ | |
132 | const struct switchdev_obj *obj; | |
133 | struct switchdev_trans *trans; | |
134 | bool handled; | |
135 | }; | |
136 | ||
1cb33af1 FF |
137 | struct switchdev_notifier_port_attr_info { |
138 | struct switchdev_notifier_info info; /* must be first */ | |
139 | const struct switchdev_attr *attr; | |
140 | struct switchdev_trans *trans; | |
141 | bool handled; | |
142 | }; | |
143 | ||
03bf0c28 | 144 | static inline struct net_device * |
ebb9a03a | 145 | switchdev_notifier_info_to_dev(const struct switchdev_notifier_info *info) |
03bf0c28 JP |
146 | { |
147 | return info->dev; | |
148 | } | |
007f790c | 149 | |
479c86dc PM |
150 | static inline struct netlink_ext_ack * |
151 | switchdev_notifier_info_to_extack(const struct switchdev_notifier_info *info) | |
152 | { | |
153 | return info->extack; | |
154 | } | |
155 | ||
007f790c JP |
156 | #ifdef CONFIG_NET_SWITCHDEV |
157 | ||
793f4014 | 158 | void switchdev_deferred_process(void); |
3094333d | 159 | int switchdev_port_attr_set(struct net_device *dev, |
f7fadf30 | 160 | const struct switchdev_attr *attr); |
9e8f4a54 | 161 | int switchdev_port_obj_add(struct net_device *dev, |
69b7320e PM |
162 | const struct switchdev_obj *obj, |
163 | struct netlink_ext_ack *extack); | |
9e8f4a54 | 164 | int switchdev_port_obj_del(struct net_device *dev, |
648b4a99 | 165 | const struct switchdev_obj *obj); |
a93e3b17 | 166 | |
ebb9a03a JP |
167 | int register_switchdev_notifier(struct notifier_block *nb); |
168 | int unregister_switchdev_notifier(struct notifier_block *nb); | |
169 | int call_switchdev_notifiers(unsigned long val, struct net_device *dev, | |
6685987c PM |
170 | struct switchdev_notifier_info *info, |
171 | struct netlink_ext_ack *extack); | |
a93e3b17 PM |
172 | |
173 | int register_switchdev_blocking_notifier(struct notifier_block *nb); | |
174 | int unregister_switchdev_blocking_notifier(struct notifier_block *nb); | |
175 | int call_switchdev_blocking_notifiers(unsigned long val, struct net_device *dev, | |
479c86dc PM |
176 | struct switchdev_notifier_info *info, |
177 | struct netlink_ext_ack *extack); | |
a93e3b17 | 178 | |
1a3b2ec9 SF |
179 | void switchdev_port_fwd_mark_set(struct net_device *dev, |
180 | struct net_device *group_dev, | |
181 | bool joining); | |
5e8d9049 | 182 | |
f30f0601 PM |
183 | int switchdev_handle_port_obj_add(struct net_device *dev, |
184 | struct switchdev_notifier_port_obj_info *port_obj_info, | |
185 | bool (*check_cb)(const struct net_device *dev), | |
186 | int (*add_cb)(struct net_device *dev, | |
187 | const struct switchdev_obj *obj, | |
69213513 PM |
188 | struct switchdev_trans *trans, |
189 | struct netlink_ext_ack *extack)); | |
f30f0601 PM |
190 | int switchdev_handle_port_obj_del(struct net_device *dev, |
191 | struct switchdev_notifier_port_obj_info *port_obj_info, | |
192 | bool (*check_cb)(const struct net_device *dev), | |
193 | int (*del_cb)(struct net_device *dev, | |
194 | const struct switchdev_obj *obj)); | |
195 | ||
1cb33af1 FF |
196 | int switchdev_handle_port_attr_set(struct net_device *dev, |
197 | struct switchdev_notifier_port_attr_info *port_attr_info, | |
198 | bool (*check_cb)(const struct net_device *dev), | |
199 | int (*set_cb)(struct net_device *dev, | |
200 | const struct switchdev_attr *attr, | |
201 | struct switchdev_trans *trans)); | |
007f790c JP |
202 | #else |
203 | ||
793f4014 JP |
204 | static inline void switchdev_deferred_process(void) |
205 | { | |
206 | } | |
207 | ||
3094333d | 208 | static inline int switchdev_port_attr_set(struct net_device *dev, |
f7fadf30 | 209 | const struct switchdev_attr *attr) |
3094333d SF |
210 | { |
211 | return -EOPNOTSUPP; | |
212 | } | |
213 | ||
491d0f15 | 214 | static inline int switchdev_port_obj_add(struct net_device *dev, |
69b7320e PM |
215 | const struct switchdev_obj *obj, |
216 | struct netlink_ext_ack *extack) | |
491d0f15 SF |
217 | { |
218 | return -EOPNOTSUPP; | |
219 | } | |
220 | ||
221 | static inline int switchdev_port_obj_del(struct net_device *dev, | |
648b4a99 | 222 | const struct switchdev_obj *obj) |
491d0f15 SF |
223 | { |
224 | return -EOPNOTSUPP; | |
225 | } | |
226 | ||
ebb9a03a | 227 | static inline int register_switchdev_notifier(struct notifier_block *nb) |
03bf0c28 JP |
228 | { |
229 | return 0; | |
230 | } | |
231 | ||
ebb9a03a | 232 | static inline int unregister_switchdev_notifier(struct notifier_block *nb) |
03bf0c28 JP |
233 | { |
234 | return 0; | |
235 | } | |
236 | ||
ebb9a03a JP |
237 | static inline int call_switchdev_notifiers(unsigned long val, |
238 | struct net_device *dev, | |
6685987c PM |
239 | struct switchdev_notifier_info *info, |
240 | struct netlink_ext_ack *extack) | |
03bf0c28 JP |
241 | { |
242 | return NOTIFY_DONE; | |
243 | } | |
244 | ||
a93e3b17 PM |
245 | static inline int |
246 | register_switchdev_blocking_notifier(struct notifier_block *nb) | |
247 | { | |
248 | return 0; | |
249 | } | |
250 | ||
251 | static inline int | |
252 | unregister_switchdev_blocking_notifier(struct notifier_block *nb) | |
253 | { | |
254 | return 0; | |
255 | } | |
256 | ||
257 | static inline int | |
258 | call_switchdev_blocking_notifiers(unsigned long val, | |
259 | struct net_device *dev, | |
479c86dc PM |
260 | struct switchdev_notifier_info *info, |
261 | struct netlink_ext_ack *extack) | |
a93e3b17 PM |
262 | { |
263 | return NOTIFY_DONE; | |
264 | } | |
265 | ||
f30f0601 PM |
266 | static inline int |
267 | switchdev_handle_port_obj_add(struct net_device *dev, | |
268 | struct switchdev_notifier_port_obj_info *port_obj_info, | |
269 | bool (*check_cb)(const struct net_device *dev), | |
270 | int (*add_cb)(struct net_device *dev, | |
271 | const struct switchdev_obj *obj, | |
69213513 PM |
272 | struct switchdev_trans *trans, |
273 | struct netlink_ext_ack *extack)) | |
f30f0601 PM |
274 | { |
275 | return 0; | |
276 | } | |
277 | ||
278 | static inline int | |
279 | switchdev_handle_port_obj_del(struct net_device *dev, | |
280 | struct switchdev_notifier_port_obj_info *port_obj_info, | |
281 | bool (*check_cb)(const struct net_device *dev), | |
282 | int (*del_cb)(struct net_device *dev, | |
283 | const struct switchdev_obj *obj)) | |
284 | { | |
285 | return 0; | |
286 | } | |
287 | ||
1cb33af1 FF |
288 | static inline int |
289 | switchdev_handle_port_attr_set(struct net_device *dev, | |
290 | struct switchdev_notifier_port_attr_info *port_attr_info, | |
291 | bool (*check_cb)(const struct net_device *dev), | |
292 | int (*set_cb)(struct net_device *dev, | |
293 | const struct switchdev_attr *attr, | |
294 | struct switchdev_trans *trans)) | |
295 | { | |
296 | return 0; | |
297 | } | |
007f790c JP |
298 | #endif |
299 | ||
300 | #endif /* _LINUX_SWITCHDEV_H_ */ |