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007f790c JP |
1 | /* |
2 | * include/net/switchdev.h - Switch device API | |
7ea6eb3f | 3 | * Copyright (c) 2014-2015 Jiri Pirko <[email protected]> |
f8f21471 | 4 | * Copyright (c) 2014-2015 Scott Feldman <[email protected]> |
007f790c JP |
5 | * |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | */ | |
11 | #ifndef _LINUX_SWITCHDEV_H_ | |
12 | #define _LINUX_SWITCHDEV_H_ | |
13 | ||
14 | #include <linux/netdevice.h> | |
03bf0c28 | 15 | #include <linux/notifier.h> |
7ea6eb3f | 16 | #include <linux/list.h> |
850d0cbc | 17 | #include <net/ip_fib.h> |
03bf0c28 | 18 | |
3094333d | 19 | #define SWITCHDEV_F_NO_RECURSE BIT(0) |
464314ea | 20 | #define SWITCHDEV_F_SKIP_EOPNOTSUPP BIT(1) |
0bc05d58 | 21 | #define SWITCHDEV_F_DEFER BIT(2) |
3094333d | 22 | |
7ea6eb3f JP |
23 | struct switchdev_trans_item { |
24 | struct list_head list; | |
25 | void *data; | |
26 | void (*destructor)(const void *data); | |
27 | }; | |
28 | ||
29 | struct switchdev_trans { | |
30 | struct list_head item_list; | |
f623ab7f | 31 | bool ph_prepare; |
7ea6eb3f JP |
32 | }; |
33 | ||
8bdb4272 JP |
34 | static inline bool switchdev_trans_ph_prepare(struct switchdev_trans *trans) |
35 | { | |
f623ab7f | 36 | return trans && trans->ph_prepare; |
8bdb4272 JP |
37 | } |
38 | ||
39 | static inline bool switchdev_trans_ph_commit(struct switchdev_trans *trans) | |
40 | { | |
f623ab7f | 41 | return trans && !trans->ph_prepare; |
8bdb4272 JP |
42 | } |
43 | ||
3094333d | 44 | enum switchdev_attr_id { |
1f868398 JP |
45 | SWITCHDEV_ATTR_ID_UNDEFINED, |
46 | SWITCHDEV_ATTR_ID_PORT_PARENT_ID, | |
47 | SWITCHDEV_ATTR_ID_PORT_STP_STATE, | |
48 | SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS, | |
f55ac58a | 49 | SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME, |
81435c33 | 50 | SWITCHDEV_ATTR_ID_BRIDGE_VLAN_FILTERING, |
3094333d SF |
51 | }; |
52 | ||
53 | struct switchdev_attr { | |
6ff64f6f | 54 | struct net_device *orig_dev; |
3094333d | 55 | enum switchdev_attr_id id; |
3094333d | 56 | u32 flags; |
7ceb2afb ER |
57 | void *complete_priv; |
58 | void (*complete)(struct net_device *dev, int err, void *priv); | |
f8e20a9f SF |
59 | union { |
60 | struct netdev_phys_item_id ppid; /* PORT_PARENT_ID */ | |
35636062 | 61 | u8 stp_state; /* PORT_STP_STATE */ |
6004c867 | 62 | unsigned long brport_flags; /* PORT_BRIDGE_FLAGS */ |
f55ac58a | 63 | u32 ageing_time; /* BRIDGE_AGEING_TIME */ |
81435c33 | 64 | bool vlan_filtering; /* BRIDGE_VLAN_FILTERING */ |
42275bd8 | 65 | } u; |
3094333d SF |
66 | }; |
67 | ||
491d0f15 | 68 | enum switchdev_obj_id { |
57d80838 JP |
69 | SWITCHDEV_OBJ_ID_UNDEFINED, |
70 | SWITCHDEV_OBJ_ID_PORT_VLAN, | |
71 | SWITCHDEV_OBJ_ID_IPV4_FIB, | |
72 | SWITCHDEV_OBJ_ID_PORT_FDB, | |
4d41e125 | 73 | SWITCHDEV_OBJ_ID_PORT_MDB, |
491d0f15 SF |
74 | }; |
75 | ||
648b4a99 | 76 | struct switchdev_obj { |
6ff64f6f | 77 | struct net_device *orig_dev; |
9e8f4a54 | 78 | enum switchdev_obj_id id; |
4d429c5d | 79 | u32 flags; |
7ceb2afb ER |
80 | void *complete_priv; |
81 | void (*complete)(struct net_device *dev, int err, void *priv); | |
648b4a99 JP |
82 | }; |
83 | ||
57d80838 | 84 | /* SWITCHDEV_OBJ_ID_PORT_VLAN */ |
8f24f309 | 85 | struct switchdev_obj_port_vlan { |
648b4a99 | 86 | struct switchdev_obj obj; |
44bbcf5c VD |
87 | u16 flags; |
88 | u16 vid_begin; | |
89 | u16 vid_end; | |
90 | }; | |
91 | ||
648b4a99 JP |
92 | #define SWITCHDEV_OBJ_PORT_VLAN(obj) \ |
93 | container_of(obj, struct switchdev_obj_port_vlan, obj) | |
94 | ||
57d80838 | 95 | /* SWITCHDEV_OBJ_ID_IPV4_FIB */ |
44bbcf5c | 96 | struct switchdev_obj_ipv4_fib { |
648b4a99 | 97 | struct switchdev_obj obj; |
44bbcf5c VD |
98 | u32 dst; |
99 | int dst_len; | |
850d0cbc | 100 | struct fib_info fi; |
44bbcf5c VD |
101 | u8 tos; |
102 | u8 type; | |
103 | u32 nlflags; | |
104 | u32 tb_id; | |
105 | }; | |
106 | ||
648b4a99 JP |
107 | #define SWITCHDEV_OBJ_IPV4_FIB(obj) \ |
108 | container_of(obj, struct switchdev_obj_ipv4_fib, obj) | |
109 | ||
57d80838 | 110 | /* SWITCHDEV_OBJ_ID_PORT_FDB */ |
52ba57cf | 111 | struct switchdev_obj_port_fdb { |
648b4a99 | 112 | struct switchdev_obj obj; |
850d0cbc | 113 | unsigned char addr[ETH_ALEN]; |
44bbcf5c VD |
114 | u16 vid; |
115 | u16 ndm_state; | |
491d0f15 SF |
116 | }; |
117 | ||
648b4a99 JP |
118 | #define SWITCHDEV_OBJ_PORT_FDB(obj) \ |
119 | container_of(obj, struct switchdev_obj_port_fdb, obj) | |
120 | ||
4d41e125 ER |
121 | /* SWITCHDEV_OBJ_ID_PORT_MDB */ |
122 | struct switchdev_obj_port_mdb { | |
123 | struct switchdev_obj obj; | |
124 | unsigned char addr[ETH_ALEN]; | |
125 | u16 vid; | |
126 | }; | |
127 | ||
128 | #define SWITCHDEV_OBJ_PORT_MDB(obj) \ | |
129 | container_of(obj, struct switchdev_obj_port_mdb, obj) | |
130 | ||
7ea6eb3f JP |
131 | void switchdev_trans_item_enqueue(struct switchdev_trans *trans, |
132 | void *data, void (*destructor)(void const *), | |
133 | struct switchdev_trans_item *tritem); | |
134 | void *switchdev_trans_item_dequeue(struct switchdev_trans *trans); | |
135 | ||
648b4a99 JP |
136 | typedef int switchdev_obj_dump_cb_t(struct switchdev_obj *obj); |
137 | ||
4170604f SF |
138 | /** |
139 | * struct switchdev_ops - switchdev operations | |
140 | * | |
3094333d SF |
141 | * @switchdev_port_attr_get: Get a port attribute (see switchdev_attr). |
142 | * | |
143 | * @switchdev_port_attr_set: Set a port attribute (see switchdev_attr). | |
144 | * | |
44bbcf5c | 145 | * @switchdev_port_obj_add: Add an object to port (see switchdev_obj_*). |
491d0f15 | 146 | * |
44bbcf5c | 147 | * @switchdev_port_obj_del: Delete an object from port (see switchdev_obj_*). |
45d4122c | 148 | * |
44bbcf5c | 149 | * @switchdev_port_obj_dump: Dump port objects (see switchdev_obj_*). |
4170604f | 150 | */ |
9d47c0a2 | 151 | struct switchdev_ops { |
3094333d SF |
152 | int (*switchdev_port_attr_get)(struct net_device *dev, |
153 | struct switchdev_attr *attr); | |
154 | int (*switchdev_port_attr_set)(struct net_device *dev, | |
f7fadf30 | 155 | const struct switchdev_attr *attr, |
7ea6eb3f | 156 | struct switchdev_trans *trans); |
491d0f15 | 157 | int (*switchdev_port_obj_add)(struct net_device *dev, |
648b4a99 | 158 | const struct switchdev_obj *obj, |
7ea6eb3f | 159 | struct switchdev_trans *trans); |
491d0f15 | 160 | int (*switchdev_port_obj_del)(struct net_device *dev, |
648b4a99 | 161 | const struct switchdev_obj *obj); |
45d4122c | 162 | int (*switchdev_port_obj_dump)(struct net_device *dev, |
648b4a99 JP |
163 | struct switchdev_obj *obj, |
164 | switchdev_obj_dump_cb_t *cb); | |
4170604f SF |
165 | }; |
166 | ||
ebb9a03a JP |
167 | enum switchdev_notifier_type { |
168 | SWITCHDEV_FDB_ADD = 1, | |
169 | SWITCHDEV_FDB_DEL, | |
3aeb6617 JP |
170 | }; |
171 | ||
ebb9a03a | 172 | struct switchdev_notifier_info { |
03bf0c28 JP |
173 | struct net_device *dev; |
174 | }; | |
175 | ||
ebb9a03a JP |
176 | struct switchdev_notifier_fdb_info { |
177 | struct switchdev_notifier_info info; /* must be first */ | |
3aeb6617 JP |
178 | const unsigned char *addr; |
179 | u16 vid; | |
180 | }; | |
181 | ||
03bf0c28 | 182 | static inline struct net_device * |
ebb9a03a | 183 | switchdev_notifier_info_to_dev(const struct switchdev_notifier_info *info) |
03bf0c28 JP |
184 | { |
185 | return info->dev; | |
186 | } | |
007f790c JP |
187 | |
188 | #ifdef CONFIG_NET_SWITCHDEV | |
189 | ||
793f4014 | 190 | void switchdev_deferred_process(void); |
3094333d SF |
191 | int switchdev_port_attr_get(struct net_device *dev, |
192 | struct switchdev_attr *attr); | |
193 | int switchdev_port_attr_set(struct net_device *dev, | |
f7fadf30 | 194 | const struct switchdev_attr *attr); |
9e8f4a54 | 195 | int switchdev_port_obj_add(struct net_device *dev, |
648b4a99 | 196 | const struct switchdev_obj *obj); |
9e8f4a54 | 197 | int switchdev_port_obj_del(struct net_device *dev, |
648b4a99 | 198 | const struct switchdev_obj *obj); |
9e8f4a54 | 199 | int switchdev_port_obj_dump(struct net_device *dev, struct switchdev_obj *obj, |
648b4a99 | 200 | switchdev_obj_dump_cb_t *cb); |
ebb9a03a JP |
201 | int register_switchdev_notifier(struct notifier_block *nb); |
202 | int unregister_switchdev_notifier(struct notifier_block *nb); | |
203 | int call_switchdev_notifiers(unsigned long val, struct net_device *dev, | |
204 | struct switchdev_notifier_info *info); | |
8793d0a6 SF |
205 | int switchdev_port_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq, |
206 | struct net_device *dev, u32 filter_mask, | |
207 | int nlflags); | |
ebb9a03a JP |
208 | int switchdev_port_bridge_setlink(struct net_device *dev, |
209 | struct nlmsghdr *nlh, u16 flags); | |
210 | int switchdev_port_bridge_dellink(struct net_device *dev, | |
211 | struct nlmsghdr *nlh, u16 flags); | |
ebb9a03a JP |
212 | int switchdev_fib_ipv4_add(u32 dst, int dst_len, struct fib_info *fi, |
213 | u8 tos, u8 type, u32 nlflags, u32 tb_id); | |
214 | int switchdev_fib_ipv4_del(u32 dst, int dst_len, struct fib_info *fi, | |
215 | u8 tos, u8 type, u32 tb_id); | |
216 | void switchdev_fib_ipv4_abort(struct fib_info *fi); | |
45d4122c SS |
217 | int switchdev_port_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], |
218 | struct net_device *dev, const unsigned char *addr, | |
219 | u16 vid, u16 nlm_flags); | |
220 | int switchdev_port_fdb_del(struct ndmsg *ndm, struct nlattr *tb[], | |
221 | struct net_device *dev, const unsigned char *addr, | |
222 | u16 vid); | |
223 | int switchdev_port_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb, | |
224 | struct net_device *dev, | |
225 | struct net_device *filter_dev, int idx); | |
1a3b2ec9 SF |
226 | void switchdev_port_fwd_mark_set(struct net_device *dev, |
227 | struct net_device *group_dev, | |
228 | bool joining); | |
5e8d9049 | 229 | |
007f790c JP |
230 | #else |
231 | ||
793f4014 JP |
232 | static inline void switchdev_deferred_process(void) |
233 | { | |
234 | } | |
235 | ||
3094333d SF |
236 | static inline int switchdev_port_attr_get(struct net_device *dev, |
237 | struct switchdev_attr *attr) | |
238 | { | |
239 | return -EOPNOTSUPP; | |
240 | } | |
241 | ||
242 | static inline int switchdev_port_attr_set(struct net_device *dev, | |
f7fadf30 | 243 | const struct switchdev_attr *attr) |
3094333d SF |
244 | { |
245 | return -EOPNOTSUPP; | |
246 | } | |
247 | ||
491d0f15 | 248 | static inline int switchdev_port_obj_add(struct net_device *dev, |
648b4a99 | 249 | const struct switchdev_obj *obj) |
491d0f15 SF |
250 | { |
251 | return -EOPNOTSUPP; | |
252 | } | |
253 | ||
254 | static inline int switchdev_port_obj_del(struct net_device *dev, | |
648b4a99 | 255 | const struct switchdev_obj *obj) |
491d0f15 SF |
256 | { |
257 | return -EOPNOTSUPP; | |
258 | } | |
259 | ||
45d4122c | 260 | static inline int switchdev_port_obj_dump(struct net_device *dev, |
648b4a99 JP |
261 | const struct switchdev_obj *obj, |
262 | switchdev_obj_dump_cb_t *cb) | |
45d4122c SS |
263 | { |
264 | return -EOPNOTSUPP; | |
265 | } | |
266 | ||
ebb9a03a | 267 | static inline int register_switchdev_notifier(struct notifier_block *nb) |
03bf0c28 JP |
268 | { |
269 | return 0; | |
270 | } | |
271 | ||
ebb9a03a | 272 | static inline int unregister_switchdev_notifier(struct notifier_block *nb) |
03bf0c28 JP |
273 | { |
274 | return 0; | |
275 | } | |
276 | ||
ebb9a03a JP |
277 | static inline int call_switchdev_notifiers(unsigned long val, |
278 | struct net_device *dev, | |
279 | struct switchdev_notifier_info *info) | |
03bf0c28 JP |
280 | { |
281 | return NOTIFY_DONE; | |
282 | } | |
283 | ||
8793d0a6 SF |
284 | static inline int switchdev_port_bridge_getlink(struct sk_buff *skb, u32 pid, |
285 | u32 seq, struct net_device *dev, | |
286 | u32 filter_mask, int nlflags) | |
287 | { | |
288 | return -EOPNOTSUPP; | |
289 | } | |
290 | ||
ebb9a03a JP |
291 | static inline int switchdev_port_bridge_setlink(struct net_device *dev, |
292 | struct nlmsghdr *nlh, | |
293 | u16 flags) | |
8a44dbb2 RP |
294 | { |
295 | return -EOPNOTSUPP; | |
296 | } | |
297 | ||
ebb9a03a JP |
298 | static inline int switchdev_port_bridge_dellink(struct net_device *dev, |
299 | struct nlmsghdr *nlh, | |
300 | u16 flags) | |
8a44dbb2 RP |
301 | { |
302 | return -EOPNOTSUPP; | |
303 | } | |
304 | ||
ebb9a03a JP |
305 | static inline int switchdev_fib_ipv4_add(u32 dst, int dst_len, |
306 | struct fib_info *fi, | |
307 | u8 tos, u8 type, | |
308 | u32 nlflags, u32 tb_id) | |
5e8d9049 SF |
309 | { |
310 | return 0; | |
311 | } | |
312 | ||
ebb9a03a JP |
313 | static inline int switchdev_fib_ipv4_del(u32 dst, int dst_len, |
314 | struct fib_info *fi, | |
315 | u8 tos, u8 type, u32 tb_id) | |
5e8d9049 SF |
316 | { |
317 | return 0; | |
318 | } | |
319 | ||
ebb9a03a | 320 | static inline void switchdev_fib_ipv4_abort(struct fib_info *fi) |
8e05fd71 SF |
321 | { |
322 | } | |
323 | ||
45d4122c SS |
324 | static inline int switchdev_port_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], |
325 | struct net_device *dev, | |
326 | const unsigned char *addr, | |
327 | u16 vid, u16 nlm_flags) | |
328 | { | |
329 | return -EOPNOTSUPP; | |
330 | } | |
331 | ||
332 | static inline int switchdev_port_fdb_del(struct ndmsg *ndm, struct nlattr *tb[], | |
333 | struct net_device *dev, | |
334 | const unsigned char *addr, u16 vid) | |
335 | { | |
336 | return -EOPNOTSUPP; | |
337 | } | |
338 | ||
339 | static inline int switchdev_port_fdb_dump(struct sk_buff *skb, | |
340 | struct netlink_callback *cb, | |
341 | struct net_device *dev, | |
342 | struct net_device *filter_dev, | |
343 | int idx) | |
344 | { | |
24cb7055 | 345 | return idx; |
45d4122c SS |
346 | } |
347 | ||
1a3b2ec9 SF |
348 | static inline void switchdev_port_fwd_mark_set(struct net_device *dev, |
349 | struct net_device *group_dev, | |
350 | bool joining) | |
351 | { | |
352 | } | |
353 | ||
007f790c JP |
354 | #endif |
355 | ||
356 | #endif /* _LINUX_SWITCHDEV_H_ */ |