]>
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; |
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 */ |
eabfdda9 | 63 | clock_t 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, | |
57d80838 | 71 | SWITCHDEV_OBJ_ID_PORT_FDB, |
4d41e125 | 72 | SWITCHDEV_OBJ_ID_PORT_MDB, |
491d0f15 SF |
73 | }; |
74 | ||
648b4a99 | 75 | struct switchdev_obj { |
6ff64f6f | 76 | struct net_device *orig_dev; |
9e8f4a54 | 77 | enum switchdev_obj_id id; |
4d429c5d | 78 | u32 flags; |
7ceb2afb ER |
79 | void *complete_priv; |
80 | void (*complete)(struct net_device *dev, int err, void *priv); | |
648b4a99 JP |
81 | }; |
82 | ||
57d80838 | 83 | /* SWITCHDEV_OBJ_ID_PORT_VLAN */ |
8f24f309 | 84 | struct switchdev_obj_port_vlan { |
648b4a99 | 85 | struct switchdev_obj obj; |
44bbcf5c VD |
86 | u16 flags; |
87 | u16 vid_begin; | |
88 | u16 vid_end; | |
89 | }; | |
90 | ||
648b4a99 JP |
91 | #define SWITCHDEV_OBJ_PORT_VLAN(obj) \ |
92 | container_of(obj, struct switchdev_obj_port_vlan, obj) | |
93 | ||
57d80838 | 94 | /* SWITCHDEV_OBJ_ID_PORT_FDB */ |
52ba57cf | 95 | struct switchdev_obj_port_fdb { |
648b4a99 | 96 | struct switchdev_obj obj; |
850d0cbc | 97 | unsigned char addr[ETH_ALEN]; |
44bbcf5c VD |
98 | u16 vid; |
99 | u16 ndm_state; | |
491d0f15 SF |
100 | }; |
101 | ||
648b4a99 JP |
102 | #define SWITCHDEV_OBJ_PORT_FDB(obj) \ |
103 | container_of(obj, struct switchdev_obj_port_fdb, obj) | |
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 | ||
112 | #define SWITCHDEV_OBJ_PORT_MDB(obj) \ | |
113 | container_of(obj, struct switchdev_obj_port_mdb, obj) | |
114 | ||
7ea6eb3f JP |
115 | void switchdev_trans_item_enqueue(struct switchdev_trans *trans, |
116 | void *data, void (*destructor)(void const *), | |
117 | struct switchdev_trans_item *tritem); | |
118 | void *switchdev_trans_item_dequeue(struct switchdev_trans *trans); | |
119 | ||
648b4a99 JP |
120 | typedef int switchdev_obj_dump_cb_t(struct switchdev_obj *obj); |
121 | ||
4170604f SF |
122 | /** |
123 | * struct switchdev_ops - switchdev operations | |
124 | * | |
3094333d SF |
125 | * @switchdev_port_attr_get: Get a port attribute (see switchdev_attr). |
126 | * | |
127 | * @switchdev_port_attr_set: Set a port attribute (see switchdev_attr). | |
128 | * | |
44bbcf5c | 129 | * @switchdev_port_obj_add: Add an object to port (see switchdev_obj_*). |
491d0f15 | 130 | * |
44bbcf5c | 131 | * @switchdev_port_obj_del: Delete an object from port (see switchdev_obj_*). |
45d4122c | 132 | * |
44bbcf5c | 133 | * @switchdev_port_obj_dump: Dump port objects (see switchdev_obj_*). |
4170604f | 134 | */ |
9d47c0a2 | 135 | struct switchdev_ops { |
3094333d SF |
136 | int (*switchdev_port_attr_get)(struct net_device *dev, |
137 | struct switchdev_attr *attr); | |
138 | int (*switchdev_port_attr_set)(struct net_device *dev, | |
f7fadf30 | 139 | const struct switchdev_attr *attr, |
7ea6eb3f | 140 | struct switchdev_trans *trans); |
491d0f15 | 141 | int (*switchdev_port_obj_add)(struct net_device *dev, |
648b4a99 | 142 | const struct switchdev_obj *obj, |
7ea6eb3f | 143 | struct switchdev_trans *trans); |
491d0f15 | 144 | int (*switchdev_port_obj_del)(struct net_device *dev, |
648b4a99 | 145 | const struct switchdev_obj *obj); |
45d4122c | 146 | int (*switchdev_port_obj_dump)(struct net_device *dev, |
648b4a99 JP |
147 | struct switchdev_obj *obj, |
148 | switchdev_obj_dump_cb_t *cb); | |
4170604f SF |
149 | }; |
150 | ||
ebb9a03a JP |
151 | enum switchdev_notifier_type { |
152 | SWITCHDEV_FDB_ADD = 1, | |
153 | SWITCHDEV_FDB_DEL, | |
3aeb6617 JP |
154 | }; |
155 | ||
ebb9a03a | 156 | struct switchdev_notifier_info { |
03bf0c28 JP |
157 | struct net_device *dev; |
158 | }; | |
159 | ||
ebb9a03a JP |
160 | struct switchdev_notifier_fdb_info { |
161 | struct switchdev_notifier_info info; /* must be first */ | |
3aeb6617 JP |
162 | const unsigned char *addr; |
163 | u16 vid; | |
164 | }; | |
165 | ||
03bf0c28 | 166 | static inline struct net_device * |
ebb9a03a | 167 | switchdev_notifier_info_to_dev(const struct switchdev_notifier_info *info) |
03bf0c28 JP |
168 | { |
169 | return info->dev; | |
170 | } | |
007f790c JP |
171 | |
172 | #ifdef CONFIG_NET_SWITCHDEV | |
173 | ||
793f4014 | 174 | void switchdev_deferred_process(void); |
3094333d SF |
175 | int switchdev_port_attr_get(struct net_device *dev, |
176 | struct switchdev_attr *attr); | |
177 | int switchdev_port_attr_set(struct net_device *dev, | |
f7fadf30 | 178 | const struct switchdev_attr *attr); |
9e8f4a54 | 179 | int switchdev_port_obj_add(struct net_device *dev, |
648b4a99 | 180 | const struct switchdev_obj *obj); |
9e8f4a54 | 181 | int switchdev_port_obj_del(struct net_device *dev, |
648b4a99 | 182 | const struct switchdev_obj *obj); |
9e8f4a54 | 183 | int switchdev_port_obj_dump(struct net_device *dev, struct switchdev_obj *obj, |
648b4a99 | 184 | switchdev_obj_dump_cb_t *cb); |
ebb9a03a JP |
185 | int register_switchdev_notifier(struct notifier_block *nb); |
186 | int unregister_switchdev_notifier(struct notifier_block *nb); | |
187 | int call_switchdev_notifiers(unsigned long val, struct net_device *dev, | |
188 | struct switchdev_notifier_info *info); | |
8793d0a6 SF |
189 | int switchdev_port_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq, |
190 | struct net_device *dev, u32 filter_mask, | |
191 | int nlflags); | |
ebb9a03a JP |
192 | int switchdev_port_bridge_setlink(struct net_device *dev, |
193 | struct nlmsghdr *nlh, u16 flags); | |
194 | int switchdev_port_bridge_dellink(struct net_device *dev, | |
195 | struct nlmsghdr *nlh, u16 flags); | |
45d4122c SS |
196 | int switchdev_port_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], |
197 | struct net_device *dev, const unsigned char *addr, | |
198 | u16 vid, u16 nlm_flags); | |
199 | int switchdev_port_fdb_del(struct ndmsg *ndm, struct nlattr *tb[], | |
200 | struct net_device *dev, const unsigned char *addr, | |
201 | u16 vid); | |
202 | int switchdev_port_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb, | |
203 | struct net_device *dev, | |
d297653d | 204 | struct net_device *filter_dev, int *idx); |
1a3b2ec9 SF |
205 | void switchdev_port_fwd_mark_set(struct net_device *dev, |
206 | struct net_device *group_dev, | |
207 | bool joining); | |
5e8d9049 | 208 | |
8438884d OG |
209 | bool switchdev_port_same_parent_id(struct net_device *a, |
210 | struct net_device *b); | |
007f790c JP |
211 | #else |
212 | ||
793f4014 JP |
213 | static inline void switchdev_deferred_process(void) |
214 | { | |
215 | } | |
216 | ||
3094333d SF |
217 | static inline int switchdev_port_attr_get(struct net_device *dev, |
218 | struct switchdev_attr *attr) | |
219 | { | |
220 | return -EOPNOTSUPP; | |
221 | } | |
222 | ||
223 | static inline int switchdev_port_attr_set(struct net_device *dev, | |
f7fadf30 | 224 | const struct switchdev_attr *attr) |
3094333d SF |
225 | { |
226 | return -EOPNOTSUPP; | |
227 | } | |
228 | ||
491d0f15 | 229 | static inline int switchdev_port_obj_add(struct net_device *dev, |
648b4a99 | 230 | const struct switchdev_obj *obj) |
491d0f15 SF |
231 | { |
232 | return -EOPNOTSUPP; | |
233 | } | |
234 | ||
235 | static inline int switchdev_port_obj_del(struct net_device *dev, | |
648b4a99 | 236 | const struct switchdev_obj *obj) |
491d0f15 SF |
237 | { |
238 | return -EOPNOTSUPP; | |
239 | } | |
240 | ||
45d4122c | 241 | static inline int switchdev_port_obj_dump(struct net_device *dev, |
648b4a99 JP |
242 | const struct switchdev_obj *obj, |
243 | switchdev_obj_dump_cb_t *cb) | |
45d4122c SS |
244 | { |
245 | return -EOPNOTSUPP; | |
246 | } | |
247 | ||
ebb9a03a | 248 | static inline int register_switchdev_notifier(struct notifier_block *nb) |
03bf0c28 JP |
249 | { |
250 | return 0; | |
251 | } | |
252 | ||
ebb9a03a | 253 | static inline int unregister_switchdev_notifier(struct notifier_block *nb) |
03bf0c28 JP |
254 | { |
255 | return 0; | |
256 | } | |
257 | ||
ebb9a03a JP |
258 | static inline int call_switchdev_notifiers(unsigned long val, |
259 | struct net_device *dev, | |
260 | struct switchdev_notifier_info *info) | |
03bf0c28 JP |
261 | { |
262 | return NOTIFY_DONE; | |
263 | } | |
264 | ||
8793d0a6 SF |
265 | static inline int switchdev_port_bridge_getlink(struct sk_buff *skb, u32 pid, |
266 | u32 seq, struct net_device *dev, | |
267 | u32 filter_mask, int nlflags) | |
268 | { | |
269 | return -EOPNOTSUPP; | |
270 | } | |
271 | ||
ebb9a03a JP |
272 | static inline int switchdev_port_bridge_setlink(struct net_device *dev, |
273 | struct nlmsghdr *nlh, | |
274 | u16 flags) | |
8a44dbb2 RP |
275 | { |
276 | return -EOPNOTSUPP; | |
277 | } | |
278 | ||
ebb9a03a JP |
279 | static inline int switchdev_port_bridge_dellink(struct net_device *dev, |
280 | struct nlmsghdr *nlh, | |
281 | u16 flags) | |
8a44dbb2 RP |
282 | { |
283 | return -EOPNOTSUPP; | |
284 | } | |
285 | ||
45d4122c SS |
286 | static inline int switchdev_port_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], |
287 | struct net_device *dev, | |
288 | const unsigned char *addr, | |
289 | u16 vid, u16 nlm_flags) | |
290 | { | |
291 | return -EOPNOTSUPP; | |
292 | } | |
293 | ||
294 | static inline int switchdev_port_fdb_del(struct ndmsg *ndm, struct nlattr *tb[], | |
295 | struct net_device *dev, | |
296 | const unsigned char *addr, u16 vid) | |
297 | { | |
298 | return -EOPNOTSUPP; | |
299 | } | |
300 | ||
301 | static inline int switchdev_port_fdb_dump(struct sk_buff *skb, | |
302 | struct netlink_callback *cb, | |
303 | struct net_device *dev, | |
304 | struct net_device *filter_dev, | |
d297653d | 305 | int *idx) |
45d4122c | 306 | { |
dd19bde3 | 307 | return *idx; |
45d4122c SS |
308 | } |
309 | ||
8438884d OG |
310 | static inline bool switchdev_port_same_parent_id(struct net_device *a, |
311 | struct net_device *b) | |
312 | { | |
313 | return false; | |
314 | } | |
315 | ||
007f790c JP |
316 | #endif |
317 | ||
318 | #endif /* _LINUX_SWITCHDEV_H_ */ |