]>
Commit | Line | Data |
---|---|---|
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, |
22ec19f3 | 41 | SWITCHDEV_ATTR_ID_BRIDGE_VLAN_PROTOCOL, |
147c1e9b | 42 | SWITCHDEV_ATTR_ID_BRIDGE_MC_DISABLED, |
77041420 | 43 | SWITCHDEV_ATTR_ID_BRIDGE_MROUTER, |
c284b545 | 44 | #if IS_ENABLED(CONFIG_BRIDGE_MRP) |
c284b545 HV |
45 | SWITCHDEV_ATTR_ID_MRP_PORT_ROLE, |
46 | #endif | |
3094333d SF |
47 | }; |
48 | ||
49 | struct switchdev_attr { | |
6ff64f6f | 50 | struct net_device *orig_dev; |
3094333d | 51 | enum switchdev_attr_id id; |
3094333d | 52 | u32 flags; |
7ceb2afb ER |
53 | void *complete_priv; |
54 | void (*complete)(struct net_device *dev, int err, void *priv); | |
f8e20a9f | 55 | union { |
35636062 | 56 | u8 stp_state; /* PORT_STP_STATE */ |
746dc184 | 57 | unsigned long brport_flags; /* PORT_{PRE}_BRIDGE_FLAGS */ |
6d549648 | 58 | bool mrouter; /* PORT_MROUTER */ |
eabfdda9 | 59 | clock_t ageing_time; /* BRIDGE_AGEING_TIME */ |
81435c33 | 60 | bool vlan_filtering; /* BRIDGE_VLAN_FILTERING */ |
22ec19f3 | 61 | u16 vlan_protocol; /* BRIDGE_VLAN_PROTOCOL */ |
147c1e9b | 62 | bool mc_disabled; /* MC_DISABLED */ |
c284b545 | 63 | #if IS_ENABLED(CONFIG_BRIDGE_MRP) |
c284b545 | 64 | u8 mrp_port_role; /* MRP_PORT_ROLE */ |
c284b545 | 65 | #endif |
42275bd8 | 66 | } u; |
3094333d SF |
67 | }; |
68 | ||
491d0f15 | 69 | enum switchdev_obj_id { |
57d80838 JP |
70 | SWITCHDEV_OBJ_ID_UNDEFINED, |
71 | SWITCHDEV_OBJ_ID_PORT_VLAN, | |
4d41e125 | 72 | SWITCHDEV_OBJ_ID_PORT_MDB, |
47d5b6db | 73 | SWITCHDEV_OBJ_ID_HOST_MDB, |
c284b545 HV |
74 | #if IS_ENABLED(CONFIG_BRIDGE_MRP) |
75 | SWITCHDEV_OBJ_ID_MRP, | |
76 | SWITCHDEV_OBJ_ID_RING_TEST_MRP, | |
77 | SWITCHDEV_OBJ_ID_RING_ROLE_MRP, | |
78 | SWITCHDEV_OBJ_ID_RING_STATE_MRP, | |
cf7c5274 HV |
79 | SWITCHDEV_OBJ_ID_IN_TEST_MRP, |
80 | SWITCHDEV_OBJ_ID_IN_ROLE_MRP, | |
81 | SWITCHDEV_OBJ_ID_IN_STATE_MRP, | |
82 | ||
c284b545 | 83 | #endif |
491d0f15 SF |
84 | }; |
85 | ||
648b4a99 | 86 | struct switchdev_obj { |
6ff64f6f | 87 | struct net_device *orig_dev; |
9e8f4a54 | 88 | enum switchdev_obj_id id; |
4d429c5d | 89 | u32 flags; |
7ceb2afb ER |
90 | void *complete_priv; |
91 | void (*complete)(struct net_device *dev, int err, void *priv); | |
648b4a99 JP |
92 | }; |
93 | ||
57d80838 | 94 | /* SWITCHDEV_OBJ_ID_PORT_VLAN */ |
8f24f309 | 95 | struct switchdev_obj_port_vlan { |
648b4a99 | 96 | struct switchdev_obj obj; |
44bbcf5c VD |
97 | u16 flags; |
98 | u16 vid_begin; | |
99 | u16 vid_end; | |
100 | }; | |
101 | ||
ec394af5 PM |
102 | #define SWITCHDEV_OBJ_PORT_VLAN(OBJ) \ |
103 | container_of((OBJ), struct switchdev_obj_port_vlan, obj) | |
648b4a99 | 104 | |
4d41e125 ER |
105 | /* SWITCHDEV_OBJ_ID_PORT_MDB */ |
106 | struct switchdev_obj_port_mdb { | |
107 | struct switchdev_obj obj; | |
108 | unsigned char addr[ETH_ALEN]; | |
109 | u16 vid; | |
110 | }; | |
111 | ||
ec394af5 PM |
112 | #define SWITCHDEV_OBJ_PORT_MDB(OBJ) \ |
113 | container_of((OBJ), struct switchdev_obj_port_mdb, obj) | |
4d41e125 | 114 | |
c284b545 HV |
115 | |
116 | #if IS_ENABLED(CONFIG_BRIDGE_MRP) | |
117 | /* SWITCHDEV_OBJ_ID_MRP */ | |
118 | struct switchdev_obj_mrp { | |
119 | struct switchdev_obj obj; | |
120 | struct net_device *p_port; | |
121 | struct net_device *s_port; | |
122 | u32 ring_id; | |
4b3a61b0 | 123 | u16 prio; |
c284b545 HV |
124 | }; |
125 | ||
126 | #define SWITCHDEV_OBJ_MRP(OBJ) \ | |
127 | container_of((OBJ), struct switchdev_obj_mrp, obj) | |
128 | ||
129 | /* SWITCHDEV_OBJ_ID_RING_TEST_MRP */ | |
130 | struct switchdev_obj_ring_test_mrp { | |
131 | struct switchdev_obj obj; | |
132 | /* The value is in us and a value of 0 represents to stop */ | |
133 | u32 interval; | |
134 | u8 max_miss; | |
135 | u32 ring_id; | |
136 | u32 period; | |
c6676e7d | 137 | bool monitor; |
c284b545 HV |
138 | }; |
139 | ||
140 | #define SWITCHDEV_OBJ_RING_TEST_MRP(OBJ) \ | |
141 | container_of((OBJ), struct switchdev_obj_ring_test_mrp, obj) | |
142 | ||
143 | /* SWICHDEV_OBJ_ID_RING_ROLE_MRP */ | |
144 | struct switchdev_obj_ring_role_mrp { | |
145 | struct switchdev_obj obj; | |
146 | u8 ring_role; | |
147 | u32 ring_id; | |
148 | }; | |
149 | ||
150 | #define SWITCHDEV_OBJ_RING_ROLE_MRP(OBJ) \ | |
151 | container_of((OBJ), struct switchdev_obj_ring_role_mrp, obj) | |
152 | ||
153 | struct switchdev_obj_ring_state_mrp { | |
154 | struct switchdev_obj obj; | |
155 | u8 ring_state; | |
156 | u32 ring_id; | |
157 | }; | |
158 | ||
159 | #define SWITCHDEV_OBJ_RING_STATE_MRP(OBJ) \ | |
160 | container_of((OBJ), struct switchdev_obj_ring_state_mrp, obj) | |
161 | ||
cf7c5274 HV |
162 | /* SWITCHDEV_OBJ_ID_IN_TEST_MRP */ |
163 | struct switchdev_obj_in_test_mrp { | |
164 | struct switchdev_obj obj; | |
165 | /* The value is in us and a value of 0 represents to stop */ | |
166 | u32 interval; | |
167 | u32 in_id; | |
168 | u32 period; | |
169 | u8 max_miss; | |
170 | }; | |
171 | ||
172 | #define SWITCHDEV_OBJ_IN_TEST_MRP(OBJ) \ | |
173 | container_of((OBJ), struct switchdev_obj_in_test_mrp, obj) | |
174 | ||
175 | /* SWICHDEV_OBJ_ID_IN_ROLE_MRP */ | |
176 | struct switchdev_obj_in_role_mrp { | |
177 | struct switchdev_obj obj; | |
178 | struct net_device *i_port; | |
179 | u32 ring_id; | |
180 | u16 in_id; | |
181 | u8 in_role; | |
182 | }; | |
183 | ||
184 | #define SWITCHDEV_OBJ_IN_ROLE_MRP(OBJ) \ | |
185 | container_of((OBJ), struct switchdev_obj_in_role_mrp, obj) | |
186 | ||
187 | struct switchdev_obj_in_state_mrp { | |
188 | struct switchdev_obj obj; | |
189 | u32 in_id; | |
190 | u8 in_state; | |
191 | }; | |
192 | ||
193 | #define SWITCHDEV_OBJ_IN_STATE_MRP(OBJ) \ | |
194 | container_of((OBJ), struct switchdev_obj_in_state_mrp, obj) | |
195 | ||
c284b545 HV |
196 | #endif |
197 | ||
648b4a99 JP |
198 | typedef int switchdev_obj_dump_cb_t(struct switchdev_obj *obj); |
199 | ||
ebb9a03a | 200 | enum switchdev_notifier_type { |
6b26b51b AS |
201 | SWITCHDEV_FDB_ADD_TO_BRIDGE = 1, |
202 | SWITCHDEV_FDB_DEL_TO_BRIDGE, | |
203 | SWITCHDEV_FDB_ADD_TO_DEVICE, | |
204 | SWITCHDEV_FDB_DEL_TO_DEVICE, | |
9fe8bcec | 205 | SWITCHDEV_FDB_OFFLOADED, |
d05e8e68 | 206 | SWITCHDEV_FDB_FLUSH_TO_BRIDGE, |
9a997353 | 207 | |
aa4efe21 PM |
208 | SWITCHDEV_PORT_OBJ_ADD, /* Blocking. */ |
209 | SWITCHDEV_PORT_OBJ_DEL, /* Blocking. */ | |
1cb33af1 | 210 | SWITCHDEV_PORT_ATTR_SET, /* May be blocking . */ |
aa4efe21 | 211 | |
5728ae0d PM |
212 | SWITCHDEV_VXLAN_FDB_ADD_TO_BRIDGE, |
213 | SWITCHDEV_VXLAN_FDB_DEL_TO_BRIDGE, | |
9a997353 PM |
214 | SWITCHDEV_VXLAN_FDB_ADD_TO_DEVICE, |
215 | SWITCHDEV_VXLAN_FDB_DEL_TO_DEVICE, | |
0efe1173 | 216 | SWITCHDEV_VXLAN_FDB_OFFLOADED, |
3aeb6617 JP |
217 | }; |
218 | ||
ebb9a03a | 219 | struct switchdev_notifier_info { |
03bf0c28 | 220 | struct net_device *dev; |
479c86dc | 221 | struct netlink_ext_ack *extack; |
03bf0c28 JP |
222 | }; |
223 | ||
ebb9a03a JP |
224 | struct switchdev_notifier_fdb_info { |
225 | struct switchdev_notifier_info info; /* must be first */ | |
3aeb6617 JP |
226 | const unsigned char *addr; |
227 | u16 vid; | |
e9ba0fbc IS |
228 | u8 added_by_user:1, |
229 | offloaded:1; | |
3aeb6617 JP |
230 | }; |
231 | ||
aa4efe21 PM |
232 | struct switchdev_notifier_port_obj_info { |
233 | struct switchdev_notifier_info info; /* must be first */ | |
234 | const struct switchdev_obj *obj; | |
235 | struct switchdev_trans *trans; | |
236 | bool handled; | |
237 | }; | |
238 | ||
1cb33af1 FF |
239 | struct switchdev_notifier_port_attr_info { |
240 | struct switchdev_notifier_info info; /* must be first */ | |
241 | const struct switchdev_attr *attr; | |
242 | struct switchdev_trans *trans; | |
243 | bool handled; | |
244 | }; | |
245 | ||
03bf0c28 | 246 | static inline struct net_device * |
ebb9a03a | 247 | switchdev_notifier_info_to_dev(const struct switchdev_notifier_info *info) |
03bf0c28 JP |
248 | { |
249 | return info->dev; | |
250 | } | |
007f790c | 251 | |
479c86dc PM |
252 | static inline struct netlink_ext_ack * |
253 | switchdev_notifier_info_to_extack(const struct switchdev_notifier_info *info) | |
254 | { | |
255 | return info->extack; | |
256 | } | |
257 | ||
007f790c JP |
258 | #ifdef CONFIG_NET_SWITCHDEV |
259 | ||
793f4014 | 260 | void switchdev_deferred_process(void); |
3094333d | 261 | int switchdev_port_attr_set(struct net_device *dev, |
f7fadf30 | 262 | const struct switchdev_attr *attr); |
9e8f4a54 | 263 | int switchdev_port_obj_add(struct net_device *dev, |
69b7320e PM |
264 | const struct switchdev_obj *obj, |
265 | struct netlink_ext_ack *extack); | |
9e8f4a54 | 266 | int switchdev_port_obj_del(struct net_device *dev, |
648b4a99 | 267 | const struct switchdev_obj *obj); |
a93e3b17 | 268 | |
ebb9a03a JP |
269 | int register_switchdev_notifier(struct notifier_block *nb); |
270 | int unregister_switchdev_notifier(struct notifier_block *nb); | |
271 | int call_switchdev_notifiers(unsigned long val, struct net_device *dev, | |
6685987c PM |
272 | struct switchdev_notifier_info *info, |
273 | struct netlink_ext_ack *extack); | |
a93e3b17 PM |
274 | |
275 | int register_switchdev_blocking_notifier(struct notifier_block *nb); | |
276 | int unregister_switchdev_blocking_notifier(struct notifier_block *nb); | |
277 | int call_switchdev_blocking_notifiers(unsigned long val, struct net_device *dev, | |
479c86dc PM |
278 | struct switchdev_notifier_info *info, |
279 | struct netlink_ext_ack *extack); | |
a93e3b17 | 280 | |
1a3b2ec9 SF |
281 | void switchdev_port_fwd_mark_set(struct net_device *dev, |
282 | struct net_device *group_dev, | |
283 | bool joining); | |
5e8d9049 | 284 | |
f30f0601 PM |
285 | int switchdev_handle_port_obj_add(struct net_device *dev, |
286 | struct switchdev_notifier_port_obj_info *port_obj_info, | |
287 | bool (*check_cb)(const struct net_device *dev), | |
288 | int (*add_cb)(struct net_device *dev, | |
289 | const struct switchdev_obj *obj, | |
69213513 PM |
290 | struct switchdev_trans *trans, |
291 | struct netlink_ext_ack *extack)); | |
f30f0601 PM |
292 | int switchdev_handle_port_obj_del(struct net_device *dev, |
293 | struct switchdev_notifier_port_obj_info *port_obj_info, | |
294 | bool (*check_cb)(const struct net_device *dev), | |
295 | int (*del_cb)(struct net_device *dev, | |
296 | const struct switchdev_obj *obj)); | |
297 | ||
1cb33af1 FF |
298 | int switchdev_handle_port_attr_set(struct net_device *dev, |
299 | struct switchdev_notifier_port_attr_info *port_attr_info, | |
300 | bool (*check_cb)(const struct net_device *dev), | |
301 | int (*set_cb)(struct net_device *dev, | |
302 | const struct switchdev_attr *attr, | |
303 | struct switchdev_trans *trans)); | |
007f790c JP |
304 | #else |
305 | ||
793f4014 JP |
306 | static inline void switchdev_deferred_process(void) |
307 | { | |
308 | } | |
309 | ||
3094333d | 310 | static inline int switchdev_port_attr_set(struct net_device *dev, |
f7fadf30 | 311 | const struct switchdev_attr *attr) |
3094333d SF |
312 | { |
313 | return -EOPNOTSUPP; | |
314 | } | |
315 | ||
491d0f15 | 316 | static inline int switchdev_port_obj_add(struct net_device *dev, |
69b7320e PM |
317 | const struct switchdev_obj *obj, |
318 | struct netlink_ext_ack *extack) | |
491d0f15 SF |
319 | { |
320 | return -EOPNOTSUPP; | |
321 | } | |
322 | ||
323 | static inline int switchdev_port_obj_del(struct net_device *dev, | |
648b4a99 | 324 | const struct switchdev_obj *obj) |
491d0f15 SF |
325 | { |
326 | return -EOPNOTSUPP; | |
327 | } | |
328 | ||
ebb9a03a | 329 | static inline int register_switchdev_notifier(struct notifier_block *nb) |
03bf0c28 JP |
330 | { |
331 | return 0; | |
332 | } | |
333 | ||
ebb9a03a | 334 | static inline int unregister_switchdev_notifier(struct notifier_block *nb) |
03bf0c28 JP |
335 | { |
336 | return 0; | |
337 | } | |
338 | ||
ebb9a03a JP |
339 | static inline int call_switchdev_notifiers(unsigned long val, |
340 | struct net_device *dev, | |
6685987c PM |
341 | struct switchdev_notifier_info *info, |
342 | struct netlink_ext_ack *extack) | |
03bf0c28 JP |
343 | { |
344 | return NOTIFY_DONE; | |
345 | } | |
346 | ||
a93e3b17 PM |
347 | static inline int |
348 | register_switchdev_blocking_notifier(struct notifier_block *nb) | |
349 | { | |
350 | return 0; | |
351 | } | |
352 | ||
353 | static inline int | |
354 | unregister_switchdev_blocking_notifier(struct notifier_block *nb) | |
355 | { | |
356 | return 0; | |
357 | } | |
358 | ||
359 | static inline int | |
360 | call_switchdev_blocking_notifiers(unsigned long val, | |
361 | struct net_device *dev, | |
479c86dc PM |
362 | struct switchdev_notifier_info *info, |
363 | struct netlink_ext_ack *extack) | |
a93e3b17 PM |
364 | { |
365 | return NOTIFY_DONE; | |
366 | } | |
367 | ||
f30f0601 PM |
368 | static inline int |
369 | switchdev_handle_port_obj_add(struct net_device *dev, | |
370 | struct switchdev_notifier_port_obj_info *port_obj_info, | |
371 | bool (*check_cb)(const struct net_device *dev), | |
372 | int (*add_cb)(struct net_device *dev, | |
373 | const struct switchdev_obj *obj, | |
69213513 PM |
374 | struct switchdev_trans *trans, |
375 | struct netlink_ext_ack *extack)) | |
f30f0601 PM |
376 | { |
377 | return 0; | |
378 | } | |
379 | ||
380 | static inline int | |
381 | switchdev_handle_port_obj_del(struct net_device *dev, | |
382 | struct switchdev_notifier_port_obj_info *port_obj_info, | |
383 | bool (*check_cb)(const struct net_device *dev), | |
384 | int (*del_cb)(struct net_device *dev, | |
385 | const struct switchdev_obj *obj)) | |
386 | { | |
387 | return 0; | |
388 | } | |
389 | ||
1cb33af1 FF |
390 | static inline int |
391 | switchdev_handle_port_attr_set(struct net_device *dev, | |
392 | struct switchdev_notifier_port_attr_info *port_attr_info, | |
393 | bool (*check_cb)(const struct net_device *dev), | |
394 | int (*set_cb)(struct net_device *dev, | |
395 | const struct switchdev_attr *attr, | |
396 | struct switchdev_trans *trans)) | |
397 | { | |
398 | return 0; | |
399 | } | |
007f790c JP |
400 | #endif |
401 | ||
402 | #endif /* _LINUX_SWITCHDEV_H_ */ |