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