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1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * include/net/switchdev.h - Switch device API
4 * Copyright (c) 2014-2015 Jiri Pirko <jiri@resnulli.us>
5 * Copyright (c) 2014-2015 Scott Feldman <sfeldma@gmail.com>
6 */
7#ifndef _LINUX_SWITCHDEV_H_
8#define _LINUX_SWITCHDEV_H_
9
10#include <linux/netdevice.h>
11#include <linux/notifier.h>
12#include <linux/list.h>
13#include <net/ip_fib.h>
14
15#define SWITCHDEV_F_NO_RECURSE BIT(0)
16#define SWITCHDEV_F_SKIP_EOPNOTSUPP BIT(1)
17#define SWITCHDEV_F_DEFER BIT(2)
18
19struct switchdev_trans {
20 bool ph_prepare;
21};
22
23static inline bool switchdev_trans_ph_prepare(struct switchdev_trans *trans)
24{
25 return trans && trans->ph_prepare;
26}
27
28static inline bool switchdev_trans_ph_commit(struct switchdev_trans *trans)
29{
30 return trans && !trans->ph_prepare;
31}
32
33enum switchdev_attr_id {
34 SWITCHDEV_ATTR_ID_UNDEFINED,
35 SWITCHDEV_ATTR_ID_PORT_STP_STATE,
36 SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS,
37 SWITCHDEV_ATTR_ID_PORT_PRE_BRIDGE_FLAGS,
38 SWITCHDEV_ATTR_ID_PORT_MROUTER,
39 SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME,
40 SWITCHDEV_ATTR_ID_BRIDGE_VLAN_FILTERING,
41 SWITCHDEV_ATTR_ID_BRIDGE_MC_DISABLED,
42 SWITCHDEV_ATTR_ID_BRIDGE_MROUTER,
43};
44
45struct switchdev_attr {
46 struct net_device *orig_dev;
47 enum switchdev_attr_id id;
48 u32 flags;
49 void *complete_priv;
50 void (*complete)(struct net_device *dev, int err, void *priv);
51 union {
52 u8 stp_state; /* PORT_STP_STATE */
53 unsigned long brport_flags; /* PORT_{PRE}_BRIDGE_FLAGS */
54 bool mrouter; /* PORT_MROUTER */
55 clock_t ageing_time; /* BRIDGE_AGEING_TIME */
56 bool vlan_filtering; /* BRIDGE_VLAN_FILTERING */
57 bool mc_disabled; /* MC_DISABLED */
58 } u;
59};
60
61enum switchdev_obj_id {
62 SWITCHDEV_OBJ_ID_UNDEFINED,
63 SWITCHDEV_OBJ_ID_PORT_VLAN,
64 SWITCHDEV_OBJ_ID_PORT_MDB,
65 SWITCHDEV_OBJ_ID_HOST_MDB,
66};
67
68struct switchdev_obj {
69 struct net_device *orig_dev;
70 enum switchdev_obj_id id;
71 u32 flags;
72 void *complete_priv;
73 void (*complete)(struct net_device *dev, int err, void *priv);
74};
75
76/* SWITCHDEV_OBJ_ID_PORT_VLAN */
77struct switchdev_obj_port_vlan {
78 struct switchdev_obj obj;
79 u16 flags;
80 u16 vid_begin;
81 u16 vid_end;
82};
83
84#define SWITCHDEV_OBJ_PORT_VLAN(OBJ) \
85 container_of((OBJ), struct switchdev_obj_port_vlan, obj)
86
87/* SWITCHDEV_OBJ_ID_PORT_MDB */
88struct switchdev_obj_port_mdb {
89 struct switchdev_obj obj;
90 unsigned char addr[ETH_ALEN];
91 u16 vid;
92};
93
94#define SWITCHDEV_OBJ_PORT_MDB(OBJ) \
95 container_of((OBJ), struct switchdev_obj_port_mdb, obj)
96
97typedef int switchdev_obj_dump_cb_t(struct switchdev_obj *obj);
98
99enum switchdev_notifier_type {
100 SWITCHDEV_FDB_ADD_TO_BRIDGE = 1,
101 SWITCHDEV_FDB_DEL_TO_BRIDGE,
102 SWITCHDEV_FDB_ADD_TO_DEVICE,
103 SWITCHDEV_FDB_DEL_TO_DEVICE,
104 SWITCHDEV_FDB_OFFLOADED,
105
106 SWITCHDEV_PORT_OBJ_ADD, /* Blocking. */
107 SWITCHDEV_PORT_OBJ_DEL, /* Blocking. */
108 SWITCHDEV_PORT_ATTR_SET, /* May be blocking . */
109
110 SWITCHDEV_VXLAN_FDB_ADD_TO_BRIDGE,
111 SWITCHDEV_VXLAN_FDB_DEL_TO_BRIDGE,
112 SWITCHDEV_VXLAN_FDB_ADD_TO_DEVICE,
113 SWITCHDEV_VXLAN_FDB_DEL_TO_DEVICE,
114 SWITCHDEV_VXLAN_FDB_OFFLOADED,
115};
116
117struct switchdev_notifier_info {
118 struct net_device *dev;
119 struct netlink_ext_ack *extack;
120};
121
122struct switchdev_notifier_fdb_info {
123 struct switchdev_notifier_info info; /* must be first */
124 const unsigned char *addr;
125 u16 vid;
126 u8 added_by_user:1,
127 offloaded:1;
128};
129
130struct switchdev_notifier_port_obj_info {
131 struct switchdev_notifier_info info; /* must be first */
132 const struct switchdev_obj *obj;
133 struct switchdev_trans *trans;
134 bool handled;
135};
136
137struct switchdev_notifier_port_attr_info {
138 struct switchdev_notifier_info info; /* must be first */
139 const struct switchdev_attr *attr;
140 struct switchdev_trans *trans;
141 bool handled;
142};
143
144static inline struct net_device *
145switchdev_notifier_info_to_dev(const struct switchdev_notifier_info *info)
146{
147 return info->dev;
148}
149
150static inline struct netlink_ext_ack *
151switchdev_notifier_info_to_extack(const struct switchdev_notifier_info *info)
152{
153 return info->extack;
154}
155
156#ifdef CONFIG_NET_SWITCHDEV
157
158void switchdev_deferred_process(void);
159int switchdev_port_attr_set(struct net_device *dev,
160 const struct switchdev_attr *attr);
161int switchdev_port_obj_add(struct net_device *dev,
162 const struct switchdev_obj *obj,
163 struct netlink_ext_ack *extack);
164int switchdev_port_obj_del(struct net_device *dev,
165 const struct switchdev_obj *obj);
166
167int register_switchdev_notifier(struct notifier_block *nb);
168int unregister_switchdev_notifier(struct notifier_block *nb);
169int call_switchdev_notifiers(unsigned long val, struct net_device *dev,
170 struct switchdev_notifier_info *info,
171 struct netlink_ext_ack *extack);
172
173int register_switchdev_blocking_notifier(struct notifier_block *nb);
174int unregister_switchdev_blocking_notifier(struct notifier_block *nb);
175int call_switchdev_blocking_notifiers(unsigned long val, struct net_device *dev,
176 struct switchdev_notifier_info *info,
177 struct netlink_ext_ack *extack);
178
179void switchdev_port_fwd_mark_set(struct net_device *dev,
180 struct net_device *group_dev,
181 bool joining);
182
183int switchdev_handle_port_obj_add(struct net_device *dev,
184 struct switchdev_notifier_port_obj_info *port_obj_info,
185 bool (*check_cb)(const struct net_device *dev),
186 int (*add_cb)(struct net_device *dev,
187 const struct switchdev_obj *obj,
188 struct switchdev_trans *trans,
189 struct netlink_ext_ack *extack));
190int switchdev_handle_port_obj_del(struct net_device *dev,
191 struct switchdev_notifier_port_obj_info *port_obj_info,
192 bool (*check_cb)(const struct net_device *dev),
193 int (*del_cb)(struct net_device *dev,
194 const struct switchdev_obj *obj));
195
196int switchdev_handle_port_attr_set(struct net_device *dev,
197 struct switchdev_notifier_port_attr_info *port_attr_info,
198 bool (*check_cb)(const struct net_device *dev),
199 int (*set_cb)(struct net_device *dev,
200 const struct switchdev_attr *attr,
201 struct switchdev_trans *trans));
202#else
203
204static inline void switchdev_deferred_process(void)
205{
206}
207
208static inline int switchdev_port_attr_set(struct net_device *dev,
209 const struct switchdev_attr *attr)
210{
211 return -EOPNOTSUPP;
212}
213
214static inline int switchdev_port_obj_add(struct net_device *dev,
215 const struct switchdev_obj *obj,
216 struct netlink_ext_ack *extack)
217{
218 return -EOPNOTSUPP;
219}
220
221static inline int switchdev_port_obj_del(struct net_device *dev,
222 const struct switchdev_obj *obj)
223{
224 return -EOPNOTSUPP;
225}
226
227static inline int register_switchdev_notifier(struct notifier_block *nb)
228{
229 return 0;
230}
231
232static inline int unregister_switchdev_notifier(struct notifier_block *nb)
233{
234 return 0;
235}
236
237static inline int call_switchdev_notifiers(unsigned long val,
238 struct net_device *dev,
239 struct switchdev_notifier_info *info,
240 struct netlink_ext_ack *extack)
241{
242 return NOTIFY_DONE;
243}
244
245static inline int
246register_switchdev_blocking_notifier(struct notifier_block *nb)
247{
248 return 0;
249}
250
251static inline int
252unregister_switchdev_blocking_notifier(struct notifier_block *nb)
253{
254 return 0;
255}
256
257static inline int
258call_switchdev_blocking_notifiers(unsigned long val,
259 struct net_device *dev,
260 struct switchdev_notifier_info *info,
261 struct netlink_ext_ack *extack)
262{
263 return NOTIFY_DONE;
264}
265
266static inline int
267switchdev_handle_port_obj_add(struct net_device *dev,
268 struct switchdev_notifier_port_obj_info *port_obj_info,
269 bool (*check_cb)(const struct net_device *dev),
270 int (*add_cb)(struct net_device *dev,
271 const struct switchdev_obj *obj,
272 struct switchdev_trans *trans,
273 struct netlink_ext_ack *extack))
274{
275 return 0;
276}
277
278static inline int
279switchdev_handle_port_obj_del(struct net_device *dev,
280 struct switchdev_notifier_port_obj_info *port_obj_info,
281 bool (*check_cb)(const struct net_device *dev),
282 int (*del_cb)(struct net_device *dev,
283 const struct switchdev_obj *obj))
284{
285 return 0;
286}
287
288static inline int
289switchdev_handle_port_attr_set(struct net_device *dev,
290 struct switchdev_notifier_port_attr_info *port_attr_info,
291 bool (*check_cb)(const struct net_device *dev),
292 int (*set_cb)(struct net_device *dev,
293 const struct switchdev_attr *attr,
294 struct switchdev_trans *trans))
295{
296 return 0;
297}
298#endif
299
300#endif /* _LINUX_SWITCHDEV_H_ */
1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * include/net/switchdev.h - Switch device API
4 * Copyright (c) 2014-2015 Jiri Pirko <jiri@resnulli.us>
5 * Copyright (c) 2014-2015 Scott Feldman <sfeldma@gmail.com>
6 */
7#ifndef _LINUX_SWITCHDEV_H_
8#define _LINUX_SWITCHDEV_H_
9
10#include <linux/netdevice.h>
11#include <linux/notifier.h>
12#include <linux/list.h>
13#include <net/ip_fib.h>
14
15#define SWITCHDEV_F_NO_RECURSE BIT(0)
16#define SWITCHDEV_F_SKIP_EOPNOTSUPP BIT(1)
17#define SWITCHDEV_F_DEFER BIT(2)
18
19enum switchdev_attr_id {
20 SWITCHDEV_ATTR_ID_UNDEFINED,
21 SWITCHDEV_ATTR_ID_PORT_STP_STATE,
22 SWITCHDEV_ATTR_ID_PORT_MST_STATE,
23 SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS,
24 SWITCHDEV_ATTR_ID_PORT_PRE_BRIDGE_FLAGS,
25 SWITCHDEV_ATTR_ID_PORT_MROUTER,
26 SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME,
27 SWITCHDEV_ATTR_ID_BRIDGE_VLAN_FILTERING,
28 SWITCHDEV_ATTR_ID_BRIDGE_VLAN_PROTOCOL,
29 SWITCHDEV_ATTR_ID_BRIDGE_MC_DISABLED,
30 SWITCHDEV_ATTR_ID_BRIDGE_MROUTER,
31 SWITCHDEV_ATTR_ID_BRIDGE_MST,
32 SWITCHDEV_ATTR_ID_MRP_PORT_ROLE,
33 SWITCHDEV_ATTR_ID_VLAN_MSTI,
34};
35
36struct switchdev_mst_state {
37 u16 msti;
38 u8 state;
39};
40
41struct switchdev_brport_flags {
42 unsigned long val;
43 unsigned long mask;
44};
45
46struct switchdev_vlan_msti {
47 u16 vid;
48 u16 msti;
49};
50
51struct switchdev_attr {
52 struct net_device *orig_dev;
53 enum switchdev_attr_id id;
54 u32 flags;
55 void *complete_priv;
56 void (*complete)(struct net_device *dev, int err, void *priv);
57 union {
58 u8 stp_state; /* PORT_STP_STATE */
59 struct switchdev_mst_state mst_state; /* PORT_MST_STATE */
60 struct switchdev_brport_flags brport_flags; /* PORT_BRIDGE_FLAGS */
61 bool mrouter; /* PORT_MROUTER */
62 clock_t ageing_time; /* BRIDGE_AGEING_TIME */
63 bool vlan_filtering; /* BRIDGE_VLAN_FILTERING */
64 u16 vlan_protocol; /* BRIDGE_VLAN_PROTOCOL */
65 bool mst; /* BRIDGE_MST */
66 bool mc_disabled; /* MC_DISABLED */
67 u8 mrp_port_role; /* MRP_PORT_ROLE */
68 struct switchdev_vlan_msti vlan_msti; /* VLAN_MSTI */
69 } u;
70};
71
72enum switchdev_obj_id {
73 SWITCHDEV_OBJ_ID_UNDEFINED,
74 SWITCHDEV_OBJ_ID_PORT_VLAN,
75 SWITCHDEV_OBJ_ID_PORT_MDB,
76 SWITCHDEV_OBJ_ID_HOST_MDB,
77 SWITCHDEV_OBJ_ID_MRP,
78 SWITCHDEV_OBJ_ID_RING_TEST_MRP,
79 SWITCHDEV_OBJ_ID_RING_ROLE_MRP,
80 SWITCHDEV_OBJ_ID_RING_STATE_MRP,
81 SWITCHDEV_OBJ_ID_IN_TEST_MRP,
82 SWITCHDEV_OBJ_ID_IN_ROLE_MRP,
83 SWITCHDEV_OBJ_ID_IN_STATE_MRP,
84};
85
86struct switchdev_obj {
87 struct list_head list;
88 struct net_device *orig_dev;
89 enum switchdev_obj_id id;
90 u32 flags;
91 void *complete_priv;
92 void (*complete)(struct net_device *dev, int err, void *priv);
93};
94
95/* SWITCHDEV_OBJ_ID_PORT_VLAN */
96struct switchdev_obj_port_vlan {
97 struct switchdev_obj obj;
98 u16 flags;
99 u16 vid;
100 /* If set, the notifier signifies a change of one of the following
101 * flags for a VLAN that already exists:
102 * - BRIDGE_VLAN_INFO_PVID
103 * - BRIDGE_VLAN_INFO_UNTAGGED
104 * Entries with BRIDGE_VLAN_INFO_BRENTRY unset are not notified at all.
105 */
106 bool changed;
107};
108
109#define SWITCHDEV_OBJ_PORT_VLAN(OBJ) \
110 container_of((OBJ), struct switchdev_obj_port_vlan, obj)
111
112/* SWITCHDEV_OBJ_ID_PORT_MDB */
113struct switchdev_obj_port_mdb {
114 struct switchdev_obj obj;
115 unsigned char addr[ETH_ALEN];
116 u16 vid;
117};
118
119#define SWITCHDEV_OBJ_PORT_MDB(OBJ) \
120 container_of((OBJ), struct switchdev_obj_port_mdb, obj)
121
122
123/* SWITCHDEV_OBJ_ID_MRP */
124struct switchdev_obj_mrp {
125 struct switchdev_obj obj;
126 struct net_device *p_port;
127 struct net_device *s_port;
128 u32 ring_id;
129 u16 prio;
130};
131
132#define SWITCHDEV_OBJ_MRP(OBJ) \
133 container_of((OBJ), struct switchdev_obj_mrp, obj)
134
135/* SWITCHDEV_OBJ_ID_RING_TEST_MRP */
136struct switchdev_obj_ring_test_mrp {
137 struct switchdev_obj obj;
138 /* The value is in us and a value of 0 represents to stop */
139 u32 interval;
140 u8 max_miss;
141 u32 ring_id;
142 u32 period;
143 bool monitor;
144};
145
146#define SWITCHDEV_OBJ_RING_TEST_MRP(OBJ) \
147 container_of((OBJ), struct switchdev_obj_ring_test_mrp, obj)
148
149/* SWICHDEV_OBJ_ID_RING_ROLE_MRP */
150struct switchdev_obj_ring_role_mrp {
151 struct switchdev_obj obj;
152 u8 ring_role;
153 u32 ring_id;
154 u8 sw_backup;
155};
156
157#define SWITCHDEV_OBJ_RING_ROLE_MRP(OBJ) \
158 container_of((OBJ), struct switchdev_obj_ring_role_mrp, obj)
159
160struct switchdev_obj_ring_state_mrp {
161 struct switchdev_obj obj;
162 u8 ring_state;
163 u32 ring_id;
164};
165
166#define SWITCHDEV_OBJ_RING_STATE_MRP(OBJ) \
167 container_of((OBJ), struct switchdev_obj_ring_state_mrp, obj)
168
169/* SWITCHDEV_OBJ_ID_IN_TEST_MRP */
170struct switchdev_obj_in_test_mrp {
171 struct switchdev_obj obj;
172 /* The value is in us and a value of 0 represents to stop */
173 u32 interval;
174 u32 in_id;
175 u32 period;
176 u8 max_miss;
177};
178
179#define SWITCHDEV_OBJ_IN_TEST_MRP(OBJ) \
180 container_of((OBJ), struct switchdev_obj_in_test_mrp, obj)
181
182/* SWICHDEV_OBJ_ID_IN_ROLE_MRP */
183struct switchdev_obj_in_role_mrp {
184 struct switchdev_obj obj;
185 struct net_device *i_port;
186 u32 ring_id;
187 u16 in_id;
188 u8 in_role;
189 u8 sw_backup;
190};
191
192#define SWITCHDEV_OBJ_IN_ROLE_MRP(OBJ) \
193 container_of((OBJ), struct switchdev_obj_in_role_mrp, obj)
194
195struct switchdev_obj_in_state_mrp {
196 struct switchdev_obj obj;
197 u32 in_id;
198 u8 in_state;
199};
200
201#define SWITCHDEV_OBJ_IN_STATE_MRP(OBJ) \
202 container_of((OBJ), struct switchdev_obj_in_state_mrp, obj)
203
204struct switchdev_brport {
205 struct net_device *dev;
206 const void *ctx;
207 struct notifier_block *atomic_nb;
208 struct notifier_block *blocking_nb;
209 bool tx_fwd_offload;
210};
211
212enum switchdev_notifier_type {
213 SWITCHDEV_FDB_ADD_TO_BRIDGE = 1,
214 SWITCHDEV_FDB_DEL_TO_BRIDGE,
215 SWITCHDEV_FDB_ADD_TO_DEVICE,
216 SWITCHDEV_FDB_DEL_TO_DEVICE,
217 SWITCHDEV_FDB_OFFLOADED,
218 SWITCHDEV_FDB_FLUSH_TO_BRIDGE,
219
220 SWITCHDEV_PORT_OBJ_ADD, /* Blocking. */
221 SWITCHDEV_PORT_OBJ_DEL, /* Blocking. */
222 SWITCHDEV_PORT_ATTR_SET, /* May be blocking . */
223
224 SWITCHDEV_VXLAN_FDB_ADD_TO_BRIDGE,
225 SWITCHDEV_VXLAN_FDB_DEL_TO_BRIDGE,
226 SWITCHDEV_VXLAN_FDB_ADD_TO_DEVICE,
227 SWITCHDEV_VXLAN_FDB_DEL_TO_DEVICE,
228 SWITCHDEV_VXLAN_FDB_OFFLOADED,
229
230 SWITCHDEV_BRPORT_OFFLOADED,
231 SWITCHDEV_BRPORT_UNOFFLOADED,
232 SWITCHDEV_BRPORT_REPLAY,
233};
234
235struct switchdev_notifier_info {
236 struct net_device *dev;
237 struct netlink_ext_ack *extack;
238 const void *ctx;
239};
240
241/* Remember to update br_switchdev_fdb_populate() when adding
242 * new members to this structure
243 */
244struct switchdev_notifier_fdb_info {
245 struct switchdev_notifier_info info; /* must be first */
246 const unsigned char *addr;
247 u16 vid;
248 u8 added_by_user:1,
249 is_local:1,
250 locked:1,
251 offloaded:1;
252};
253
254struct switchdev_notifier_port_obj_info {
255 struct switchdev_notifier_info info; /* must be first */
256 const struct switchdev_obj *obj;
257 bool handled;
258};
259
260struct switchdev_notifier_port_attr_info {
261 struct switchdev_notifier_info info; /* must be first */
262 const struct switchdev_attr *attr;
263 bool handled;
264};
265
266struct switchdev_notifier_brport_info {
267 struct switchdev_notifier_info info; /* must be first */
268 const struct switchdev_brport brport;
269};
270
271static inline struct net_device *
272switchdev_notifier_info_to_dev(const struct switchdev_notifier_info *info)
273{
274 return info->dev;
275}
276
277static inline struct netlink_ext_ack *
278switchdev_notifier_info_to_extack(const struct switchdev_notifier_info *info)
279{
280 return info->extack;
281}
282
283static inline bool
284switchdev_fdb_is_dynamically_learned(const struct switchdev_notifier_fdb_info *fdb_info)
285{
286 return !fdb_info->added_by_user && !fdb_info->is_local;
287}
288
289#ifdef CONFIG_NET_SWITCHDEV
290
291int switchdev_bridge_port_offload(struct net_device *brport_dev,
292 struct net_device *dev, const void *ctx,
293 struct notifier_block *atomic_nb,
294 struct notifier_block *blocking_nb,
295 bool tx_fwd_offload,
296 struct netlink_ext_ack *extack);
297void switchdev_bridge_port_unoffload(struct net_device *brport_dev,
298 const void *ctx,
299 struct notifier_block *atomic_nb,
300 struct notifier_block *blocking_nb);
301int switchdev_bridge_port_replay(struct net_device *brport_dev,
302 struct net_device *dev, const void *ctx,
303 struct notifier_block *atomic_nb,
304 struct notifier_block *blocking_nb,
305 struct netlink_ext_ack *extack);
306
307void switchdev_deferred_process(void);
308int switchdev_port_attr_set(struct net_device *dev,
309 const struct switchdev_attr *attr,
310 struct netlink_ext_ack *extack);
311bool switchdev_port_obj_act_is_deferred(struct net_device *dev,
312 enum switchdev_notifier_type nt,
313 const struct switchdev_obj *obj);
314int switchdev_port_obj_add(struct net_device *dev,
315 const struct switchdev_obj *obj,
316 struct netlink_ext_ack *extack);
317int switchdev_port_obj_del(struct net_device *dev,
318 const struct switchdev_obj *obj);
319
320int register_switchdev_notifier(struct notifier_block *nb);
321int unregister_switchdev_notifier(struct notifier_block *nb);
322int call_switchdev_notifiers(unsigned long val, struct net_device *dev,
323 struct switchdev_notifier_info *info,
324 struct netlink_ext_ack *extack);
325
326int register_switchdev_blocking_notifier(struct notifier_block *nb);
327int unregister_switchdev_blocking_notifier(struct notifier_block *nb);
328int call_switchdev_blocking_notifiers(unsigned long val, struct net_device *dev,
329 struct switchdev_notifier_info *info,
330 struct netlink_ext_ack *extack);
331
332int switchdev_handle_fdb_event_to_device(struct net_device *dev, unsigned long event,
333 const struct switchdev_notifier_fdb_info *fdb_info,
334 bool (*check_cb)(const struct net_device *dev),
335 bool (*foreign_dev_check_cb)(const struct net_device *dev,
336 const struct net_device *foreign_dev),
337 int (*mod_cb)(struct net_device *dev, struct net_device *orig_dev,
338 unsigned long event, const void *ctx,
339 const struct switchdev_notifier_fdb_info *fdb_info));
340
341int switchdev_handle_port_obj_add(struct net_device *dev,
342 struct switchdev_notifier_port_obj_info *port_obj_info,
343 bool (*check_cb)(const struct net_device *dev),
344 int (*add_cb)(struct net_device *dev, const void *ctx,
345 const struct switchdev_obj *obj,
346 struct netlink_ext_ack *extack));
347int switchdev_handle_port_obj_add_foreign(struct net_device *dev,
348 struct switchdev_notifier_port_obj_info *port_obj_info,
349 bool (*check_cb)(const struct net_device *dev),
350 bool (*foreign_dev_check_cb)(const struct net_device *dev,
351 const struct net_device *foreign_dev),
352 int (*add_cb)(struct net_device *dev, const void *ctx,
353 const struct switchdev_obj *obj,
354 struct netlink_ext_ack *extack));
355int switchdev_handle_port_obj_del(struct net_device *dev,
356 struct switchdev_notifier_port_obj_info *port_obj_info,
357 bool (*check_cb)(const struct net_device *dev),
358 int (*del_cb)(struct net_device *dev, const void *ctx,
359 const struct switchdev_obj *obj));
360int switchdev_handle_port_obj_del_foreign(struct net_device *dev,
361 struct switchdev_notifier_port_obj_info *port_obj_info,
362 bool (*check_cb)(const struct net_device *dev),
363 bool (*foreign_dev_check_cb)(const struct net_device *dev,
364 const struct net_device *foreign_dev),
365 int (*del_cb)(struct net_device *dev, const void *ctx,
366 const struct switchdev_obj *obj));
367
368int switchdev_handle_port_attr_set(struct net_device *dev,
369 struct switchdev_notifier_port_attr_info *port_attr_info,
370 bool (*check_cb)(const struct net_device *dev),
371 int (*set_cb)(struct net_device *dev, const void *ctx,
372 const struct switchdev_attr *attr,
373 struct netlink_ext_ack *extack));
374#else
375
376static inline int
377switchdev_bridge_port_offload(struct net_device *brport_dev,
378 struct net_device *dev, const void *ctx,
379 struct notifier_block *atomic_nb,
380 struct notifier_block *blocking_nb,
381 bool tx_fwd_offload,
382 struct netlink_ext_ack *extack)
383{
384 return -EOPNOTSUPP;
385}
386
387static inline void
388switchdev_bridge_port_unoffload(struct net_device *brport_dev,
389 const void *ctx,
390 struct notifier_block *atomic_nb,
391 struct notifier_block *blocking_nb)
392{
393}
394
395static inline void switchdev_deferred_process(void)
396{
397}
398
399static inline int switchdev_port_attr_set(struct net_device *dev,
400 const struct switchdev_attr *attr,
401 struct netlink_ext_ack *extack)
402{
403 return -EOPNOTSUPP;
404}
405
406static inline int switchdev_port_obj_add(struct net_device *dev,
407 const struct switchdev_obj *obj,
408 struct netlink_ext_ack *extack)
409{
410 return -EOPNOTSUPP;
411}
412
413static inline int switchdev_port_obj_del(struct net_device *dev,
414 const struct switchdev_obj *obj)
415{
416 return -EOPNOTSUPP;
417}
418
419static inline int register_switchdev_notifier(struct notifier_block *nb)
420{
421 return 0;
422}
423
424static inline int unregister_switchdev_notifier(struct notifier_block *nb)
425{
426 return 0;
427}
428
429static inline int call_switchdev_notifiers(unsigned long val,
430 struct net_device *dev,
431 struct switchdev_notifier_info *info,
432 struct netlink_ext_ack *extack)
433{
434 return NOTIFY_DONE;
435}
436
437static inline int
438register_switchdev_blocking_notifier(struct notifier_block *nb)
439{
440 return 0;
441}
442
443static inline int
444unregister_switchdev_blocking_notifier(struct notifier_block *nb)
445{
446 return 0;
447}
448
449static inline int
450call_switchdev_blocking_notifiers(unsigned long val,
451 struct net_device *dev,
452 struct switchdev_notifier_info *info,
453 struct netlink_ext_ack *extack)
454{
455 return NOTIFY_DONE;
456}
457
458static inline int
459switchdev_handle_fdb_event_to_device(struct net_device *dev, unsigned long event,
460 const struct switchdev_notifier_fdb_info *fdb_info,
461 bool (*check_cb)(const struct net_device *dev),
462 bool (*foreign_dev_check_cb)(const struct net_device *dev,
463 const struct net_device *foreign_dev),
464 int (*mod_cb)(struct net_device *dev, struct net_device *orig_dev,
465 unsigned long event, const void *ctx,
466 const struct switchdev_notifier_fdb_info *fdb_info))
467{
468 return 0;
469}
470
471static inline int
472switchdev_handle_port_obj_add(struct net_device *dev,
473 struct switchdev_notifier_port_obj_info *port_obj_info,
474 bool (*check_cb)(const struct net_device *dev),
475 int (*add_cb)(struct net_device *dev, const void *ctx,
476 const struct switchdev_obj *obj,
477 struct netlink_ext_ack *extack))
478{
479 return 0;
480}
481
482static inline int switchdev_handle_port_obj_add_foreign(struct net_device *dev,
483 struct switchdev_notifier_port_obj_info *port_obj_info,
484 bool (*check_cb)(const struct net_device *dev),
485 bool (*foreign_dev_check_cb)(const struct net_device *dev,
486 const struct net_device *foreign_dev),
487 int (*add_cb)(struct net_device *dev, const void *ctx,
488 const struct switchdev_obj *obj,
489 struct netlink_ext_ack *extack))
490{
491 return 0;
492}
493
494static inline int
495switchdev_handle_port_obj_del(struct net_device *dev,
496 struct switchdev_notifier_port_obj_info *port_obj_info,
497 bool (*check_cb)(const struct net_device *dev),
498 int (*del_cb)(struct net_device *dev, const void *ctx,
499 const struct switchdev_obj *obj))
500{
501 return 0;
502}
503
504static inline int
505switchdev_handle_port_obj_del_foreign(struct net_device *dev,
506 struct switchdev_notifier_port_obj_info *port_obj_info,
507 bool (*check_cb)(const struct net_device *dev),
508 bool (*foreign_dev_check_cb)(const struct net_device *dev,
509 const struct net_device *foreign_dev),
510 int (*del_cb)(struct net_device *dev, const void *ctx,
511 const struct switchdev_obj *obj))
512{
513 return 0;
514}
515
516static inline int
517switchdev_handle_port_attr_set(struct net_device *dev,
518 struct switchdev_notifier_port_attr_info *port_attr_info,
519 bool (*check_cb)(const struct net_device *dev),
520 int (*set_cb)(struct net_device *dev, const void *ctx,
521 const struct switchdev_attr *attr,
522 struct netlink_ext_ack *extack))
523{
524 return 0;
525}
526#endif
527
528#endif /* _LINUX_SWITCHDEV_H_ */