bridge: mrp: Set the priority of MRP instance
[linux-block.git] / include / net / switchdev.h
CommitLineData
2874c5fd 1/* SPDX-License-Identifier: GPL-2.0-or-later */
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2/*
3 * include/net/switchdev.h - Switch device API
7ea6eb3f 4 * Copyright (c) 2014-2015 Jiri Pirko <jiri@resnulli.us>
f8f21471 5 * Copyright (c) 2014-2015 Scott Feldman <sfeldma@gmail.com>
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6 */
7#ifndef _LINUX_SWITCHDEV_H_
8#define _LINUX_SWITCHDEV_H_
9
10#include <linux/netdevice.h>
03bf0c28 11#include <linux/notifier.h>
7ea6eb3f 12#include <linux/list.h>
850d0cbc 13#include <net/ip_fib.h>
03bf0c28 14
3094333d 15#define SWITCHDEV_F_NO_RECURSE BIT(0)
464314ea 16#define SWITCHDEV_F_SKIP_EOPNOTSUPP BIT(1)
0bc05d58 17#define SWITCHDEV_F_DEFER BIT(2)
3094333d 18
7ea6eb3f 19struct switchdev_trans {
f623ab7f 20 bool ph_prepare;
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21};
22
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23static inline bool switchdev_trans_ph_prepare(struct switchdev_trans *trans)
24{
f623ab7f 25 return trans && trans->ph_prepare;
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26}
27
28static inline bool switchdev_trans_ph_commit(struct switchdev_trans *trans)
29{
f623ab7f 30 return trans && !trans->ph_prepare;
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31}
32
3094333d 33enum switchdev_attr_id {
1f868398 34 SWITCHDEV_ATTR_ID_UNDEFINED,
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35 SWITCHDEV_ATTR_ID_PORT_STP_STATE,
36 SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS,
746dc184 37 SWITCHDEV_ATTR_ID_PORT_PRE_BRIDGE_FLAGS,
6d549648 38 SWITCHDEV_ATTR_ID_PORT_MROUTER,
f55ac58a 39 SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME,
81435c33 40 SWITCHDEV_ATTR_ID_BRIDGE_VLAN_FILTERING,
147c1e9b 41 SWITCHDEV_ATTR_ID_BRIDGE_MC_DISABLED,
77041420 42 SWITCHDEV_ATTR_ID_BRIDGE_MROUTER,
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43#if IS_ENABLED(CONFIG_BRIDGE_MRP)
44 SWITCHDEV_ATTR_ID_MRP_PORT_STATE,
45 SWITCHDEV_ATTR_ID_MRP_PORT_ROLE,
46#endif
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47};
48
49struct switchdev_attr {
6ff64f6f 50 struct net_device *orig_dev;
3094333d 51 enum switchdev_attr_id id;
3094333d 52 u32 flags;
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53 void *complete_priv;
54 void (*complete)(struct net_device *dev, int err, void *priv);
f8e20a9f 55 union {
35636062 56 u8 stp_state; /* PORT_STP_STATE */
746dc184 57 unsigned long brport_flags; /* PORT_{PRE}_BRIDGE_FLAGS */
6d549648 58 bool mrouter; /* PORT_MROUTER */
eabfdda9 59 clock_t ageing_time; /* BRIDGE_AGEING_TIME */
81435c33 60 bool vlan_filtering; /* BRIDGE_VLAN_FILTERING */
147c1e9b 61 bool mc_disabled; /* MC_DISABLED */
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62#if IS_ENABLED(CONFIG_BRIDGE_MRP)
63 u8 mrp_port_state; /* MRP_PORT_STATE */
64 u8 mrp_port_role; /* MRP_PORT_ROLE */
c284b545 65#endif
42275bd8 66 } u;
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67};
68
491d0f15 69enum switchdev_obj_id {
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70 SWITCHDEV_OBJ_ID_UNDEFINED,
71 SWITCHDEV_OBJ_ID_PORT_VLAN,
4d41e125 72 SWITCHDEV_OBJ_ID_PORT_MDB,
47d5b6db 73 SWITCHDEV_OBJ_ID_HOST_MDB,
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74#if IS_ENABLED(CONFIG_BRIDGE_MRP)
75 SWITCHDEV_OBJ_ID_MRP,
76 SWITCHDEV_OBJ_ID_RING_TEST_MRP,
77 SWITCHDEV_OBJ_ID_RING_ROLE_MRP,
78 SWITCHDEV_OBJ_ID_RING_STATE_MRP,
79#endif
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80};
81
648b4a99 82struct switchdev_obj {
6ff64f6f 83 struct net_device *orig_dev;
9e8f4a54 84 enum switchdev_obj_id id;
4d429c5d 85 u32 flags;
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86 void *complete_priv;
87 void (*complete)(struct net_device *dev, int err, void *priv);
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88};
89
57d80838 90/* SWITCHDEV_OBJ_ID_PORT_VLAN */
8f24f309 91struct switchdev_obj_port_vlan {
648b4a99 92 struct switchdev_obj obj;
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93 u16 flags;
94 u16 vid_begin;
95 u16 vid_end;
96};
97
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98#define SWITCHDEV_OBJ_PORT_VLAN(OBJ) \
99 container_of((OBJ), struct switchdev_obj_port_vlan, obj)
648b4a99 100
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101/* SWITCHDEV_OBJ_ID_PORT_MDB */
102struct switchdev_obj_port_mdb {
103 struct switchdev_obj obj;
104 unsigned char addr[ETH_ALEN];
105 u16 vid;
106};
107
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108#define SWITCHDEV_OBJ_PORT_MDB(OBJ) \
109 container_of((OBJ), struct switchdev_obj_port_mdb, obj)
4d41e125 110
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111
112#if IS_ENABLED(CONFIG_BRIDGE_MRP)
113/* SWITCHDEV_OBJ_ID_MRP */
114struct switchdev_obj_mrp {
115 struct switchdev_obj obj;
116 struct net_device *p_port;
117 struct net_device *s_port;
118 u32 ring_id;
4b3a61b0 119 u16 prio;
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120};
121
122#define SWITCHDEV_OBJ_MRP(OBJ) \
123 container_of((OBJ), struct switchdev_obj_mrp, obj)
124
125/* SWITCHDEV_OBJ_ID_RING_TEST_MRP */
126struct switchdev_obj_ring_test_mrp {
127 struct switchdev_obj obj;
128 /* The value is in us and a value of 0 represents to stop */
129 u32 interval;
130 u8 max_miss;
131 u32 ring_id;
132 u32 period;
133};
134
135#define SWITCHDEV_OBJ_RING_TEST_MRP(OBJ) \
136 container_of((OBJ), struct switchdev_obj_ring_test_mrp, obj)
137
138/* SWICHDEV_OBJ_ID_RING_ROLE_MRP */
139struct switchdev_obj_ring_role_mrp {
140 struct switchdev_obj obj;
141 u8 ring_role;
142 u32 ring_id;
143};
144
145#define SWITCHDEV_OBJ_RING_ROLE_MRP(OBJ) \
146 container_of((OBJ), struct switchdev_obj_ring_role_mrp, obj)
147
148struct switchdev_obj_ring_state_mrp {
149 struct switchdev_obj obj;
150 u8 ring_state;
151 u32 ring_id;
152};
153
154#define SWITCHDEV_OBJ_RING_STATE_MRP(OBJ) \
155 container_of((OBJ), struct switchdev_obj_ring_state_mrp, obj)
156
157#endif
158
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159typedef int switchdev_obj_dump_cb_t(struct switchdev_obj *obj);
160
ebb9a03a 161enum switchdev_notifier_type {
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162 SWITCHDEV_FDB_ADD_TO_BRIDGE = 1,
163 SWITCHDEV_FDB_DEL_TO_BRIDGE,
164 SWITCHDEV_FDB_ADD_TO_DEVICE,
165 SWITCHDEV_FDB_DEL_TO_DEVICE,
9fe8bcec 166 SWITCHDEV_FDB_OFFLOADED,
9a997353 167
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168 SWITCHDEV_PORT_OBJ_ADD, /* Blocking. */
169 SWITCHDEV_PORT_OBJ_DEL, /* Blocking. */
1cb33af1 170 SWITCHDEV_PORT_ATTR_SET, /* May be blocking . */
aa4efe21 171
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172 SWITCHDEV_VXLAN_FDB_ADD_TO_BRIDGE,
173 SWITCHDEV_VXLAN_FDB_DEL_TO_BRIDGE,
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174 SWITCHDEV_VXLAN_FDB_ADD_TO_DEVICE,
175 SWITCHDEV_VXLAN_FDB_DEL_TO_DEVICE,
0efe1173 176 SWITCHDEV_VXLAN_FDB_OFFLOADED,
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177};
178
ebb9a03a 179struct switchdev_notifier_info {
03bf0c28 180 struct net_device *dev;
479c86dc 181 struct netlink_ext_ack *extack;
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182};
183
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184struct switchdev_notifier_fdb_info {
185 struct switchdev_notifier_info info; /* must be first */
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186 const unsigned char *addr;
187 u16 vid;
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188 u8 added_by_user:1,
189 offloaded:1;
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190};
191
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192struct switchdev_notifier_port_obj_info {
193 struct switchdev_notifier_info info; /* must be first */
194 const struct switchdev_obj *obj;
195 struct switchdev_trans *trans;
196 bool handled;
197};
198
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199struct switchdev_notifier_port_attr_info {
200 struct switchdev_notifier_info info; /* must be first */
201 const struct switchdev_attr *attr;
202 struct switchdev_trans *trans;
203 bool handled;
204};
205
03bf0c28 206static inline struct net_device *
ebb9a03a 207switchdev_notifier_info_to_dev(const struct switchdev_notifier_info *info)
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208{
209 return info->dev;
210}
007f790c 211
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212static inline struct netlink_ext_ack *
213switchdev_notifier_info_to_extack(const struct switchdev_notifier_info *info)
214{
215 return info->extack;
216}
217
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218#ifdef CONFIG_NET_SWITCHDEV
219
793f4014 220void switchdev_deferred_process(void);
3094333d 221int switchdev_port_attr_set(struct net_device *dev,
f7fadf30 222 const struct switchdev_attr *attr);
9e8f4a54 223int switchdev_port_obj_add(struct net_device *dev,
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224 const struct switchdev_obj *obj,
225 struct netlink_ext_ack *extack);
9e8f4a54 226int switchdev_port_obj_del(struct net_device *dev,
648b4a99 227 const struct switchdev_obj *obj);
a93e3b17 228
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229int register_switchdev_notifier(struct notifier_block *nb);
230int unregister_switchdev_notifier(struct notifier_block *nb);
231int call_switchdev_notifiers(unsigned long val, struct net_device *dev,
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232 struct switchdev_notifier_info *info,
233 struct netlink_ext_ack *extack);
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234
235int register_switchdev_blocking_notifier(struct notifier_block *nb);
236int unregister_switchdev_blocking_notifier(struct notifier_block *nb);
237int call_switchdev_blocking_notifiers(unsigned long val, struct net_device *dev,
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238 struct switchdev_notifier_info *info,
239 struct netlink_ext_ack *extack);
a93e3b17 240
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241void switchdev_port_fwd_mark_set(struct net_device *dev,
242 struct net_device *group_dev,
243 bool joining);
5e8d9049 244
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245int switchdev_handle_port_obj_add(struct net_device *dev,
246 struct switchdev_notifier_port_obj_info *port_obj_info,
247 bool (*check_cb)(const struct net_device *dev),
248 int (*add_cb)(struct net_device *dev,
249 const struct switchdev_obj *obj,
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250 struct switchdev_trans *trans,
251 struct netlink_ext_ack *extack));
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252int switchdev_handle_port_obj_del(struct net_device *dev,
253 struct switchdev_notifier_port_obj_info *port_obj_info,
254 bool (*check_cb)(const struct net_device *dev),
255 int (*del_cb)(struct net_device *dev,
256 const struct switchdev_obj *obj));
257
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258int switchdev_handle_port_attr_set(struct net_device *dev,
259 struct switchdev_notifier_port_attr_info *port_attr_info,
260 bool (*check_cb)(const struct net_device *dev),
261 int (*set_cb)(struct net_device *dev,
262 const struct switchdev_attr *attr,
263 struct switchdev_trans *trans));
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264#else
265
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266static inline void switchdev_deferred_process(void)
267{
268}
269
3094333d 270static inline int switchdev_port_attr_set(struct net_device *dev,
f7fadf30 271 const struct switchdev_attr *attr)
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272{
273 return -EOPNOTSUPP;
274}
275
491d0f15 276static inline int switchdev_port_obj_add(struct net_device *dev,
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277 const struct switchdev_obj *obj,
278 struct netlink_ext_ack *extack)
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279{
280 return -EOPNOTSUPP;
281}
282
283static inline int switchdev_port_obj_del(struct net_device *dev,
648b4a99 284 const struct switchdev_obj *obj)
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285{
286 return -EOPNOTSUPP;
287}
288
ebb9a03a 289static inline int register_switchdev_notifier(struct notifier_block *nb)
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290{
291 return 0;
292}
293
ebb9a03a 294static inline int unregister_switchdev_notifier(struct notifier_block *nb)
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295{
296 return 0;
297}
298
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299static inline int call_switchdev_notifiers(unsigned long val,
300 struct net_device *dev,
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301 struct switchdev_notifier_info *info,
302 struct netlink_ext_ack *extack)
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303{
304 return NOTIFY_DONE;
305}
306
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307static inline int
308register_switchdev_blocking_notifier(struct notifier_block *nb)
309{
310 return 0;
311}
312
313static inline int
314unregister_switchdev_blocking_notifier(struct notifier_block *nb)
315{
316 return 0;
317}
318
319static inline int
320call_switchdev_blocking_notifiers(unsigned long val,
321 struct net_device *dev,
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322 struct switchdev_notifier_info *info,
323 struct netlink_ext_ack *extack)
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324{
325 return NOTIFY_DONE;
326}
327
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328static inline int
329switchdev_handle_port_obj_add(struct net_device *dev,
330 struct switchdev_notifier_port_obj_info *port_obj_info,
331 bool (*check_cb)(const struct net_device *dev),
332 int (*add_cb)(struct net_device *dev,
333 const struct switchdev_obj *obj,
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334 struct switchdev_trans *trans,
335 struct netlink_ext_ack *extack))
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336{
337 return 0;
338}
339
340static inline int
341switchdev_handle_port_obj_del(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 (*del_cb)(struct net_device *dev,
345 const struct switchdev_obj *obj))
346{
347 return 0;
348}
349
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350static inline int
351switchdev_handle_port_attr_set(struct net_device *dev,
352 struct switchdev_notifier_port_attr_info *port_attr_info,
353 bool (*check_cb)(const struct net_device *dev),
354 int (*set_cb)(struct net_device *dev,
355 const struct switchdev_attr *attr,
356 struct switchdev_trans *trans))
357{
358 return 0;
359}
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360#endif
361
362#endif /* _LINUX_SWITCHDEV_H_ */