Commit | Line | Data |
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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> |
03bf0c28 | 17 | |
3094333d SF |
18 | #define SWITCHDEV_F_NO_RECURSE BIT(0) |
19 | ||
7ea6eb3f JP |
20 | struct switchdev_trans_item { |
21 | struct list_head list; | |
22 | void *data; | |
23 | void (*destructor)(const void *data); | |
24 | }; | |
25 | ||
26 | struct switchdev_trans { | |
27 | struct list_head item_list; | |
f623ab7f | 28 | bool ph_prepare; |
7ea6eb3f JP |
29 | }; |
30 | ||
8bdb4272 JP |
31 | static inline bool switchdev_trans_ph_prepare(struct switchdev_trans *trans) |
32 | { | |
f623ab7f | 33 | return trans && trans->ph_prepare; |
8bdb4272 JP |
34 | } |
35 | ||
36 | static inline bool switchdev_trans_ph_commit(struct switchdev_trans *trans) | |
37 | { | |
f623ab7f | 38 | return trans && !trans->ph_prepare; |
8bdb4272 JP |
39 | } |
40 | ||
3094333d SF |
41 | enum switchdev_attr_id { |
42 | SWITCHDEV_ATTR_UNDEFINED, | |
f8e20a9f | 43 | SWITCHDEV_ATTR_PORT_PARENT_ID, |
35636062 | 44 | SWITCHDEV_ATTR_PORT_STP_STATE, |
6004c867 | 45 | SWITCHDEV_ATTR_PORT_BRIDGE_FLAGS, |
3094333d SF |
46 | }; |
47 | ||
48 | struct switchdev_attr { | |
49 | enum switchdev_attr_id id; | |
3094333d | 50 | u32 flags; |
f8e20a9f SF |
51 | union { |
52 | struct netdev_phys_item_id ppid; /* PORT_PARENT_ID */ | |
35636062 | 53 | u8 stp_state; /* PORT_STP_STATE */ |
6004c867 | 54 | unsigned long brport_flags; /* PORT_BRIDGE_FLAGS */ |
42275bd8 | 55 | } u; |
3094333d SF |
56 | }; |
57 | ||
4170604f SF |
58 | struct fib_info; |
59 | ||
491d0f15 SF |
60 | enum switchdev_obj_id { |
61 | SWITCHDEV_OBJ_UNDEFINED, | |
6fc3016d | 62 | SWITCHDEV_OBJ_PORT_VLAN, |
58c2cb16 | 63 | SWITCHDEV_OBJ_IPV4_FIB, |
45d4122c | 64 | SWITCHDEV_OBJ_PORT_FDB, |
491d0f15 SF |
65 | }; |
66 | ||
44bbcf5c VD |
67 | /* SWITCHDEV_OBJ_PORT_VLAN */ |
68 | struct switchdev_obj_vlan { | |
69 | u16 flags; | |
70 | u16 vid_begin; | |
71 | u16 vid_end; | |
72 | }; | |
73 | ||
74 | /* SWITCHDEV_OBJ_IPV4_FIB */ | |
75 | struct switchdev_obj_ipv4_fib { | |
76 | u32 dst; | |
77 | int dst_len; | |
78 | struct fib_info *fi; | |
79 | u8 tos; | |
80 | u8 type; | |
81 | u32 nlflags; | |
82 | u32 tb_id; | |
83 | }; | |
84 | ||
85 | /* SWITCHDEV_OBJ_PORT_FDB */ | |
86 | struct switchdev_obj_fdb { | |
87 | const unsigned char *addr; | |
88 | u16 vid; | |
89 | u16 ndm_state; | |
491d0f15 SF |
90 | }; |
91 | ||
7ea6eb3f JP |
92 | void switchdev_trans_item_enqueue(struct switchdev_trans *trans, |
93 | void *data, void (*destructor)(void const *), | |
94 | struct switchdev_trans_item *tritem); | |
95 | void *switchdev_trans_item_dequeue(struct switchdev_trans *trans); | |
96 | ||
4170604f SF |
97 | /** |
98 | * struct switchdev_ops - switchdev operations | |
99 | * | |
3094333d SF |
100 | * @switchdev_port_attr_get: Get a port attribute (see switchdev_attr). |
101 | * | |
102 | * @switchdev_port_attr_set: Set a port attribute (see switchdev_attr). | |
103 | * | |
44bbcf5c | 104 | * @switchdev_port_obj_add: Add an object to port (see switchdev_obj_*). |
491d0f15 | 105 | * |
44bbcf5c | 106 | * @switchdev_port_obj_del: Delete an object from port (see switchdev_obj_*). |
45d4122c | 107 | * |
44bbcf5c | 108 | * @switchdev_port_obj_dump: Dump port objects (see switchdev_obj_*). |
4170604f | 109 | */ |
9d47c0a2 | 110 | struct switchdev_ops { |
3094333d SF |
111 | int (*switchdev_port_attr_get)(struct net_device *dev, |
112 | struct switchdev_attr *attr); | |
113 | int (*switchdev_port_attr_set)(struct net_device *dev, | |
7ea6eb3f JP |
114 | struct switchdev_attr *attr, |
115 | struct switchdev_trans *trans); | |
491d0f15 | 116 | int (*switchdev_port_obj_add)(struct net_device *dev, |
ab069002 VD |
117 | enum switchdev_obj_id id, |
118 | const void *obj, | |
7ea6eb3f | 119 | struct switchdev_trans *trans); |
491d0f15 | 120 | int (*switchdev_port_obj_del)(struct net_device *dev, |
ab069002 VD |
121 | enum switchdev_obj_id id, |
122 | const void *obj); | |
45d4122c | 123 | int (*switchdev_port_obj_dump)(struct net_device *dev, |
25f07adc VD |
124 | enum switchdev_obj_id id, void *obj, |
125 | int (*cb)(void *obj)); | |
4170604f SF |
126 | }; |
127 | ||
ebb9a03a JP |
128 | enum switchdev_notifier_type { |
129 | SWITCHDEV_FDB_ADD = 1, | |
130 | SWITCHDEV_FDB_DEL, | |
3aeb6617 JP |
131 | }; |
132 | ||
ebb9a03a | 133 | struct switchdev_notifier_info { |
03bf0c28 JP |
134 | struct net_device *dev; |
135 | }; | |
136 | ||
ebb9a03a JP |
137 | struct switchdev_notifier_fdb_info { |
138 | struct switchdev_notifier_info info; /* must be first */ | |
3aeb6617 JP |
139 | const unsigned char *addr; |
140 | u16 vid; | |
141 | }; | |
142 | ||
03bf0c28 | 143 | static inline struct net_device * |
ebb9a03a | 144 | switchdev_notifier_info_to_dev(const struct switchdev_notifier_info *info) |
03bf0c28 JP |
145 | { |
146 | return info->dev; | |
147 | } | |
007f790c JP |
148 | |
149 | #ifdef CONFIG_NET_SWITCHDEV | |
150 | ||
3094333d SF |
151 | int switchdev_port_attr_get(struct net_device *dev, |
152 | struct switchdev_attr *attr); | |
153 | int switchdev_port_attr_set(struct net_device *dev, | |
154 | struct switchdev_attr *attr); | |
ab069002 VD |
155 | int switchdev_port_obj_add(struct net_device *dev, enum switchdev_obj_id id, |
156 | const void *obj); | |
157 | int switchdev_port_obj_del(struct net_device *dev, enum switchdev_obj_id id, | |
158 | const void *obj); | |
25f07adc VD |
159 | int switchdev_port_obj_dump(struct net_device *dev, enum switchdev_obj_id id, |
160 | void *obj, int (*cb)(void *obj)); | |
ebb9a03a JP |
161 | int register_switchdev_notifier(struct notifier_block *nb); |
162 | int unregister_switchdev_notifier(struct notifier_block *nb); | |
163 | int call_switchdev_notifiers(unsigned long val, struct net_device *dev, | |
164 | struct switchdev_notifier_info *info); | |
8793d0a6 SF |
165 | int switchdev_port_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq, |
166 | struct net_device *dev, u32 filter_mask, | |
167 | int nlflags); | |
ebb9a03a JP |
168 | int switchdev_port_bridge_setlink(struct net_device *dev, |
169 | struct nlmsghdr *nlh, u16 flags); | |
170 | int switchdev_port_bridge_dellink(struct net_device *dev, | |
171 | struct nlmsghdr *nlh, u16 flags); | |
ebb9a03a JP |
172 | int switchdev_fib_ipv4_add(u32 dst, int dst_len, struct fib_info *fi, |
173 | u8 tos, u8 type, u32 nlflags, u32 tb_id); | |
174 | int switchdev_fib_ipv4_del(u32 dst, int dst_len, struct fib_info *fi, | |
175 | u8 tos, u8 type, u32 tb_id); | |
176 | void switchdev_fib_ipv4_abort(struct fib_info *fi); | |
45d4122c SS |
177 | int switchdev_port_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], |
178 | struct net_device *dev, const unsigned char *addr, | |
179 | u16 vid, u16 nlm_flags); | |
180 | int switchdev_port_fdb_del(struct ndmsg *ndm, struct nlattr *tb[], | |
181 | struct net_device *dev, const unsigned char *addr, | |
182 | u16 vid); | |
183 | int switchdev_port_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb, | |
184 | struct net_device *dev, | |
185 | struct net_device *filter_dev, int idx); | |
1a3b2ec9 SF |
186 | void switchdev_port_fwd_mark_set(struct net_device *dev, |
187 | struct net_device *group_dev, | |
188 | bool joining); | |
5e8d9049 | 189 | |
007f790c JP |
190 | #else |
191 | ||
3094333d SF |
192 | static inline int switchdev_port_attr_get(struct net_device *dev, |
193 | struct switchdev_attr *attr) | |
194 | { | |
195 | return -EOPNOTSUPP; | |
196 | } | |
197 | ||
198 | static inline int switchdev_port_attr_set(struct net_device *dev, | |
199 | struct switchdev_attr *attr) | |
200 | { | |
201 | return -EOPNOTSUPP; | |
202 | } | |
203 | ||
491d0f15 | 204 | static inline int switchdev_port_obj_add(struct net_device *dev, |
ab069002 VD |
205 | enum switchdev_obj_id id, |
206 | const void *obj) | |
491d0f15 SF |
207 | { |
208 | return -EOPNOTSUPP; | |
209 | } | |
210 | ||
211 | static inline int switchdev_port_obj_del(struct net_device *dev, | |
ab069002 VD |
212 | enum switchdev_obj_id id, |
213 | const void *obj) | |
491d0f15 SF |
214 | { |
215 | return -EOPNOTSUPP; | |
216 | } | |
217 | ||
45d4122c | 218 | static inline int switchdev_port_obj_dump(struct net_device *dev, |
25f07adc VD |
219 | enum switchdev_obj_id id, void *obj, |
220 | int (*cb)(void *obj)) | |
45d4122c SS |
221 | { |
222 | return -EOPNOTSUPP; | |
223 | } | |
224 | ||
ebb9a03a | 225 | static inline int register_switchdev_notifier(struct notifier_block *nb) |
03bf0c28 JP |
226 | { |
227 | return 0; | |
228 | } | |
229 | ||
ebb9a03a | 230 | static inline int unregister_switchdev_notifier(struct notifier_block *nb) |
03bf0c28 JP |
231 | { |
232 | return 0; | |
233 | } | |
234 | ||
ebb9a03a JP |
235 | static inline int call_switchdev_notifiers(unsigned long val, |
236 | struct net_device *dev, | |
237 | struct switchdev_notifier_info *info) | |
03bf0c28 JP |
238 | { |
239 | return NOTIFY_DONE; | |
240 | } | |
241 | ||
8793d0a6 SF |
242 | static inline int switchdev_port_bridge_getlink(struct sk_buff *skb, u32 pid, |
243 | u32 seq, struct net_device *dev, | |
244 | u32 filter_mask, int nlflags) | |
245 | { | |
246 | return -EOPNOTSUPP; | |
247 | } | |
248 | ||
ebb9a03a JP |
249 | static inline int switchdev_port_bridge_setlink(struct net_device *dev, |
250 | struct nlmsghdr *nlh, | |
251 | u16 flags) | |
8a44dbb2 RP |
252 | { |
253 | return -EOPNOTSUPP; | |
254 | } | |
255 | ||
ebb9a03a JP |
256 | static inline int switchdev_port_bridge_dellink(struct net_device *dev, |
257 | struct nlmsghdr *nlh, | |
258 | u16 flags) | |
8a44dbb2 RP |
259 | { |
260 | return -EOPNOTSUPP; | |
261 | } | |
262 | ||
ebb9a03a JP |
263 | static inline int switchdev_fib_ipv4_add(u32 dst, int dst_len, |
264 | struct fib_info *fi, | |
265 | u8 tos, u8 type, | |
266 | u32 nlflags, u32 tb_id) | |
5e8d9049 SF |
267 | { |
268 | return 0; | |
269 | } | |
270 | ||
ebb9a03a JP |
271 | static inline int switchdev_fib_ipv4_del(u32 dst, int dst_len, |
272 | struct fib_info *fi, | |
273 | u8 tos, u8 type, u32 tb_id) | |
5e8d9049 SF |
274 | { |
275 | return 0; | |
276 | } | |
277 | ||
ebb9a03a | 278 | static inline void switchdev_fib_ipv4_abort(struct fib_info *fi) |
8e05fd71 SF |
279 | { |
280 | } | |
281 | ||
45d4122c SS |
282 | static inline int switchdev_port_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], |
283 | struct net_device *dev, | |
284 | const unsigned char *addr, | |
285 | u16 vid, u16 nlm_flags) | |
286 | { | |
287 | return -EOPNOTSUPP; | |
288 | } | |
289 | ||
290 | static inline int switchdev_port_fdb_del(struct ndmsg *ndm, struct nlattr *tb[], | |
291 | struct net_device *dev, | |
292 | const unsigned char *addr, u16 vid) | |
293 | { | |
294 | return -EOPNOTSUPP; | |
295 | } | |
296 | ||
297 | static inline int switchdev_port_fdb_dump(struct sk_buff *skb, | |
298 | struct netlink_callback *cb, | |
299 | struct net_device *dev, | |
300 | struct net_device *filter_dev, | |
301 | int idx) | |
302 | { | |
303 | return -EOPNOTSUPP; | |
304 | } | |
305 | ||
1a3b2ec9 SF |
306 | static inline void switchdev_port_fwd_mark_set(struct net_device *dev, |
307 | struct net_device *group_dev, | |
308 | bool joining) | |
309 | { | |
310 | } | |
311 | ||
007f790c JP |
312 | #endif |
313 | ||
314 | #endif /* _LINUX_SWITCHDEV_H_ */ |