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2874c5fd | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
bfcd3a46 JP |
2 | /* |
3 | * include/net/devlink.h - Network physical device Netlink interface | |
4 | * Copyright (c) 2016 Mellanox Technologies. All rights reserved. | |
5 | * Copyright (c) 2016 Jiri Pirko <jiri@mellanox.com> | |
bfcd3a46 JP |
6 | */ |
7 | #ifndef _NET_DEVLINK_H_ | |
8 | #define _NET_DEVLINK_H_ | |
9 | ||
10 | #include <linux/device.h> | |
11 | #include <linux/slab.h> | |
12 | #include <linux/gfp.h> | |
13 | #include <linux/list.h> | |
14 | #include <linux/netdevice.h> | |
b8f97554 | 15 | #include <linux/spinlock.h> |
bfcd3a46 JP |
16 | #include <net/net_namespace.h> |
17 | #include <uapi/linux/devlink.h> | |
18 | ||
19 | struct devlink_ops; | |
20 | ||
21 | struct devlink { | |
22 | struct list_head list; | |
23 | struct list_head port_list; | |
bf797471 | 24 | struct list_head sb_list; |
1555d204 | 25 | struct list_head dpipe_table_list; |
d9f9b9a4 | 26 | struct list_head resource_list; |
eabaef18 | 27 | struct list_head param_list; |
b16ebe92 | 28 | struct list_head region_list; |
ccadfa44 | 29 | u32 snapshot_id; |
a0bdcc59 | 30 | struct list_head reporter_list; |
b587bdaf | 31 | struct mutex reporters_lock; /* protects reporter_list */ |
1555d204 | 32 | struct devlink_dpipe_headers *dpipe_headers; |
bfcd3a46 JP |
33 | const struct devlink_ops *ops; |
34 | struct device *dev; | |
35 | possible_net_t _net; | |
2406e7e5 | 36 | struct mutex lock; |
bfcd3a46 JP |
37 | char priv[0] __aligned(NETDEV_ALIGN); |
38 | }; | |
39 | ||
b9ffcbaf | 40 | struct devlink_port_attrs { |
407dd706 | 41 | u8 set:1, |
bec5267c JP |
42 | split:1, |
43 | switch_port:1; | |
5ec1380a | 44 | enum devlink_port_flavour flavour; |
b9ffcbaf | 45 | u32 port_number; /* same value as "split group" */ |
b9ffcbaf | 46 | u32 split_subport_number; |
bec5267c | 47 | struct netdev_phys_item_id switch_id; |
b9ffcbaf JP |
48 | }; |
49 | ||
bfcd3a46 JP |
50 | struct devlink_port { |
51 | struct list_head list; | |
39e6160e | 52 | struct list_head param_list; |
bfcd3a46 JP |
53 | struct devlink *devlink; |
54 | unsigned index; | |
55 | bool registered; | |
b8f97554 JP |
56 | spinlock_t type_lock; /* Protects type and type_dev |
57 | * pointer consistency. | |
58 | */ | |
bfcd3a46 JP |
59 | enum devlink_port_type type; |
60 | enum devlink_port_type desired_type; | |
61 | void *type_dev; | |
b9ffcbaf | 62 | struct devlink_port_attrs attrs; |
bfcd3a46 JP |
63 | }; |
64 | ||
bf797471 JP |
65 | struct devlink_sb_pool_info { |
66 | enum devlink_sb_pool_type pool_type; | |
67 | u32 size; | |
68 | enum devlink_sb_threshold_type threshold_type; | |
bff5731d | 69 | u32 cell_size; |
bf797471 JP |
70 | }; |
71 | ||
1555d204 AS |
72 | /** |
73 | * struct devlink_dpipe_field - dpipe field object | |
74 | * @name: field name | |
75 | * @id: index inside the headers field array | |
76 | * @bitwidth: bitwidth | |
77 | * @mapping_type: mapping type | |
78 | */ | |
79 | struct devlink_dpipe_field { | |
80 | const char *name; | |
81 | unsigned int id; | |
82 | unsigned int bitwidth; | |
83 | enum devlink_dpipe_field_mapping_type mapping_type; | |
84 | }; | |
85 | ||
86 | /** | |
87 | * struct devlink_dpipe_header - dpipe header object | |
88 | * @name: header name | |
89 | * @id: index, global/local detrmined by global bit | |
90 | * @fields: fields | |
91 | * @fields_count: number of fields | |
92 | * @global: indicates if header is shared like most protocol header | |
93 | * or driver specific | |
94 | */ | |
95 | struct devlink_dpipe_header { | |
96 | const char *name; | |
97 | unsigned int id; | |
98 | struct devlink_dpipe_field *fields; | |
99 | unsigned int fields_count; | |
100 | bool global; | |
101 | }; | |
102 | ||
103 | /** | |
104 | * struct devlink_dpipe_match - represents match operation | |
105 | * @type: type of match | |
106 | * @header_index: header index (packets can have several headers of same | |
107 | * type like in case of tunnels) | |
108 | * @header: header | |
109 | * @fieled_id: field index | |
110 | */ | |
111 | struct devlink_dpipe_match { | |
112 | enum devlink_dpipe_match_type type; | |
113 | unsigned int header_index; | |
114 | struct devlink_dpipe_header *header; | |
115 | unsigned int field_id; | |
116 | }; | |
117 | ||
118 | /** | |
119 | * struct devlink_dpipe_action - represents action operation | |
120 | * @type: type of action | |
121 | * @header_index: header index (packets can have several headers of same | |
122 | * type like in case of tunnels) | |
123 | * @header: header | |
124 | * @fieled_id: field index | |
125 | */ | |
126 | struct devlink_dpipe_action { | |
127 | enum devlink_dpipe_action_type type; | |
128 | unsigned int header_index; | |
129 | struct devlink_dpipe_header *header; | |
130 | unsigned int field_id; | |
131 | }; | |
132 | ||
133 | /** | |
134 | * struct devlink_dpipe_value - represents value of match/action | |
135 | * @action: action | |
136 | * @match: match | |
137 | * @mapping_value: in case the field has some mapping this value | |
138 | * specified the mapping value | |
139 | * @mapping_valid: specify if mapping value is valid | |
140 | * @value_size: value size | |
141 | * @value: value | |
142 | * @mask: bit mask | |
143 | */ | |
144 | struct devlink_dpipe_value { | |
145 | union { | |
146 | struct devlink_dpipe_action *action; | |
147 | struct devlink_dpipe_match *match; | |
148 | }; | |
149 | unsigned int mapping_value; | |
150 | bool mapping_valid; | |
151 | unsigned int value_size; | |
152 | void *value; | |
153 | void *mask; | |
154 | }; | |
155 | ||
156 | /** | |
157 | * struct devlink_dpipe_entry - table entry object | |
158 | * @index: index of the entry in the table | |
159 | * @match_values: match values | |
160 | * @matche_values_count: count of matches tuples | |
161 | * @action_values: actions values | |
162 | * @action_values_count: count of actions values | |
163 | * @counter: value of counter | |
164 | * @counter_valid: Specify if value is valid from hardware | |
165 | */ | |
166 | struct devlink_dpipe_entry { | |
167 | u64 index; | |
168 | struct devlink_dpipe_value *match_values; | |
169 | unsigned int match_values_count; | |
170 | struct devlink_dpipe_value *action_values; | |
171 | unsigned int action_values_count; | |
172 | u64 counter; | |
173 | bool counter_valid; | |
174 | }; | |
175 | ||
176 | /** | |
177 | * struct devlink_dpipe_dump_ctx - context provided to driver in order | |
178 | * to dump | |
179 | * @info: info | |
180 | * @cmd: devlink command | |
181 | * @skb: skb | |
182 | * @nest: top attribute | |
183 | * @hdr: hdr | |
184 | */ | |
185 | struct devlink_dpipe_dump_ctx { | |
186 | struct genl_info *info; | |
187 | enum devlink_command cmd; | |
188 | struct sk_buff *skb; | |
189 | struct nlattr *nest; | |
190 | void *hdr; | |
191 | }; | |
192 | ||
193 | struct devlink_dpipe_table_ops; | |
194 | ||
195 | /** | |
196 | * struct devlink_dpipe_table - table object | |
197 | * @priv: private | |
198 | * @name: table name | |
1555d204 AS |
199 | * @counters_enabled: indicates if counters are active |
200 | * @counter_control_extern: indicates if counter control is in dpipe or | |
201 | * external tool | |
56dc7cd0 AS |
202 | * @resource_valid: Indicate that the resource id is valid |
203 | * @resource_id: relative resource this table is related to | |
204 | * @resource_units: number of resource's unit consumed per table's entry | |
1555d204 AS |
205 | * @table_ops: table operations |
206 | * @rcu: rcu | |
207 | */ | |
208 | struct devlink_dpipe_table { | |
209 | void *priv; | |
210 | struct list_head list; | |
211 | const char *name; | |
1555d204 AS |
212 | bool counters_enabled; |
213 | bool counter_control_extern; | |
56dc7cd0 AS |
214 | bool resource_valid; |
215 | u64 resource_id; | |
216 | u64 resource_units; | |
1555d204 AS |
217 | struct devlink_dpipe_table_ops *table_ops; |
218 | struct rcu_head rcu; | |
219 | }; | |
220 | ||
221 | /** | |
222 | * struct devlink_dpipe_table_ops - dpipe_table ops | |
223 | * @actions_dump - dumps all tables actions | |
224 | * @matches_dump - dumps all tables matches | |
225 | * @entries_dump - dumps all active entries in the table | |
226 | * @counters_set_update - when changing the counter status hardware sync | |
227 | * maybe needed to allocate/free counter related | |
228 | * resources | |
ffd3cdcc | 229 | * @size_get - get size |
1555d204 AS |
230 | */ |
231 | struct devlink_dpipe_table_ops { | |
232 | int (*actions_dump)(void *priv, struct sk_buff *skb); | |
233 | int (*matches_dump)(void *priv, struct sk_buff *skb); | |
234 | int (*entries_dump)(void *priv, bool counters_enabled, | |
235 | struct devlink_dpipe_dump_ctx *dump_ctx); | |
236 | int (*counters_set_update)(void *priv, bool enable); | |
ffd3cdcc | 237 | u64 (*size_get)(void *priv); |
1555d204 AS |
238 | }; |
239 | ||
240 | /** | |
241 | * struct devlink_dpipe_headers - dpipe headers | |
242 | * @headers - header array can be shared (global bit) or driver specific | |
243 | * @headers_count - count of headers | |
244 | */ | |
245 | struct devlink_dpipe_headers { | |
246 | struct devlink_dpipe_header **headers; | |
247 | unsigned int headers_count; | |
248 | }; | |
249 | ||
d9f9b9a4 AS |
250 | /** |
251 | * struct devlink_resource_size_params - resource's size parameters | |
252 | * @size_min: minimum size which can be set | |
253 | * @size_max: maximum size which can be set | |
254 | * @size_granularity: size granularity | |
255 | * @size_unit: resource's basic unit | |
256 | */ | |
257 | struct devlink_resource_size_params { | |
258 | u64 size_min; | |
259 | u64 size_max; | |
260 | u64 size_granularity; | |
261 | enum devlink_resource_unit unit; | |
262 | }; | |
263 | ||
77d27096 JP |
264 | static inline void |
265 | devlink_resource_size_params_init(struct devlink_resource_size_params *size_params, | |
266 | u64 size_min, u64 size_max, | |
267 | u64 size_granularity, | |
268 | enum devlink_resource_unit unit) | |
269 | { | |
270 | size_params->size_min = size_min; | |
271 | size_params->size_max = size_max; | |
272 | size_params->size_granularity = size_granularity; | |
273 | size_params->unit = unit; | |
274 | } | |
275 | ||
fc56be47 JP |
276 | typedef u64 devlink_resource_occ_get_t(void *priv); |
277 | ||
d9f9b9a4 AS |
278 | /** |
279 | * struct devlink_resource - devlink resource | |
280 | * @name: name of the resource | |
281 | * @id: id, per devlink instance | |
282 | * @size: size of the resource | |
283 | * @size_new: updated size of the resource, reload is needed | |
284 | * @size_valid: valid in case the total size of the resource is valid | |
285 | * including its children | |
286 | * @parent: parent resource | |
287 | * @size_params: size parameters | |
288 | * @list: parent list | |
289 | * @resource_list: list of child resources | |
d9f9b9a4 AS |
290 | */ |
291 | struct devlink_resource { | |
292 | const char *name; | |
293 | u64 id; | |
294 | u64 size; | |
295 | u64 size_new; | |
296 | bool size_valid; | |
297 | struct devlink_resource *parent; | |
77d27096 | 298 | struct devlink_resource_size_params size_params; |
d9f9b9a4 AS |
299 | struct list_head list; |
300 | struct list_head resource_list; | |
fc56be47 JP |
301 | devlink_resource_occ_get_t *occ_get; |
302 | void *occ_get_priv; | |
d9f9b9a4 AS |
303 | }; |
304 | ||
305 | #define DEVLINK_RESOURCE_ID_PARENT_TOP 0 | |
306 | ||
bde74ad1 | 307 | #define __DEVLINK_PARAM_MAX_STRING_VALUE 32 |
eabaef18 MS |
308 | enum devlink_param_type { |
309 | DEVLINK_PARAM_TYPE_U8, | |
310 | DEVLINK_PARAM_TYPE_U16, | |
311 | DEVLINK_PARAM_TYPE_U32, | |
312 | DEVLINK_PARAM_TYPE_STRING, | |
313 | DEVLINK_PARAM_TYPE_BOOL, | |
314 | }; | |
315 | ||
316 | union devlink_param_value { | |
317 | u8 vu8; | |
318 | u16 vu16; | |
319 | u32 vu32; | |
bde74ad1 | 320 | char vstr[__DEVLINK_PARAM_MAX_STRING_VALUE]; |
eabaef18 MS |
321 | bool vbool; |
322 | }; | |
323 | ||
324 | struct devlink_param_gset_ctx { | |
325 | union devlink_param_value val; | |
326 | enum devlink_param_cmode cmode; | |
327 | }; | |
328 | ||
329 | /** | |
330 | * struct devlink_param - devlink configuration parameter data | |
331 | * @name: name of the parameter | |
332 | * @generic: indicates if the parameter is generic or driver specific | |
333 | * @type: parameter type | |
334 | * @supported_cmodes: bitmap of supported configuration modes | |
335 | * @get: get parameter value, used for runtime and permanent | |
336 | * configuration modes | |
337 | * @set: set parameter value, used for runtime and permanent | |
338 | * configuration modes | |
e3b7ca18 | 339 | * @validate: validate input value is applicable (within value range, etc.) |
eabaef18 MS |
340 | * |
341 | * This struct should be used by the driver to fill the data for | |
342 | * a parameter it registers. | |
343 | */ | |
344 | struct devlink_param { | |
345 | u32 id; | |
346 | const char *name; | |
347 | bool generic; | |
348 | enum devlink_param_type type; | |
349 | unsigned long supported_cmodes; | |
350 | int (*get)(struct devlink *devlink, u32 id, | |
351 | struct devlink_param_gset_ctx *ctx); | |
352 | int (*set)(struct devlink *devlink, u32 id, | |
353 | struct devlink_param_gset_ctx *ctx); | |
e3b7ca18 MS |
354 | int (*validate)(struct devlink *devlink, u32 id, |
355 | union devlink_param_value val, | |
356 | struct netlink_ext_ack *extack); | |
eabaef18 MS |
357 | }; |
358 | ||
359 | struct devlink_param_item { | |
360 | struct list_head list; | |
361 | const struct devlink_param *param; | |
362 | union devlink_param_value driverinit_value; | |
363 | bool driverinit_value_valid; | |
7c62cfb8 | 364 | bool published; |
eabaef18 MS |
365 | }; |
366 | ||
367 | enum devlink_param_generic_id { | |
036467c3 MS |
368 | DEVLINK_PARAM_GENERIC_ID_INT_ERR_RESET, |
369 | DEVLINK_PARAM_GENERIC_ID_MAX_MACS, | |
f567bcda | 370 | DEVLINK_PARAM_GENERIC_ID_ENABLE_SRIOV, |
f6a69885 | 371 | DEVLINK_PARAM_GENERIC_ID_REGION_SNAPSHOT, |
e3b51061 | 372 | DEVLINK_PARAM_GENERIC_ID_IGNORE_ARI, |
f61cba42 | 373 | DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX, |
16511789 | 374 | DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN, |
846e980a | 375 | DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY, |
eabaef18 MS |
376 | |
377 | /* add new param generic ids above here*/ | |
378 | __DEVLINK_PARAM_GENERIC_ID_MAX, | |
379 | DEVLINK_PARAM_GENERIC_ID_MAX = __DEVLINK_PARAM_GENERIC_ID_MAX - 1, | |
380 | }; | |
381 | ||
036467c3 MS |
382 | #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_NAME "internal_error_reset" |
383 | #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL | |
384 | ||
385 | #define DEVLINK_PARAM_GENERIC_MAX_MACS_NAME "max_macs" | |
386 | #define DEVLINK_PARAM_GENERIC_MAX_MACS_TYPE DEVLINK_PARAM_TYPE_U32 | |
387 | ||
f567bcda VV |
388 | #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_NAME "enable_sriov" |
389 | #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_TYPE DEVLINK_PARAM_TYPE_BOOL | |
390 | ||
f6a69885 AV |
391 | #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_NAME "region_snapshot_enable" |
392 | #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_TYPE DEVLINK_PARAM_TYPE_BOOL | |
393 | ||
e3b51061 VV |
394 | #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_NAME "ignore_ari" |
395 | #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_TYPE DEVLINK_PARAM_TYPE_BOOL | |
396 | ||
f61cba42 VV |
397 | #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_NAME "msix_vec_per_pf_max" |
398 | #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_TYPE DEVLINK_PARAM_TYPE_U32 | |
399 | ||
16511789 VV |
400 | #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_NAME "msix_vec_per_pf_min" |
401 | #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_TYPE DEVLINK_PARAM_TYPE_U32 | |
402 | ||
846e980a ST |
403 | #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_NAME "fw_load_policy" |
404 | #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_TYPE DEVLINK_PARAM_TYPE_U8 | |
405 | ||
036467c3 MS |
406 | #define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate) \ |
407 | { \ | |
408 | .id = DEVLINK_PARAM_GENERIC_ID_##_id, \ | |
409 | .name = DEVLINK_PARAM_GENERIC_##_id##_NAME, \ | |
410 | .type = DEVLINK_PARAM_GENERIC_##_id##_TYPE, \ | |
411 | .generic = true, \ | |
412 | .supported_cmodes = _cmodes, \ | |
413 | .get = _get, \ | |
414 | .set = _set, \ | |
415 | .validate = _validate, \ | |
416 | } | |
417 | ||
418 | #define DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, _get, _set, _validate) \ | |
419 | { \ | |
420 | .id = _id, \ | |
421 | .name = _name, \ | |
422 | .type = _type, \ | |
423 | .supported_cmodes = _cmodes, \ | |
424 | .get = _get, \ | |
425 | .set = _set, \ | |
426 | .validate = _validate, \ | |
427 | } | |
428 | ||
785bd550 JK |
429 | /* Part number, identifier of board design */ |
430 | #define DEVLINK_INFO_VERSION_GENERIC_BOARD_ID "board.id" | |
431 | /* Revision of board design */ | |
432 | #define DEVLINK_INFO_VERSION_GENERIC_BOARD_REV "board.rev" | |
14fd1901 JK |
433 | /* Maker of the board */ |
434 | #define DEVLINK_INFO_VERSION_GENERIC_BOARD_MANUFACTURE "board.manufacture" | |
785bd550 JK |
435 | |
436 | /* Control processor FW version */ | |
437 | #define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT "fw.mgmt" | |
438 | /* Data path microcode controlling high-speed packet processing */ | |
439 | #define DEVLINK_INFO_VERSION_GENERIC_FW_APP "fw.app" | |
440 | /* UNDI software version */ | |
441 | #define DEVLINK_INFO_VERSION_GENERIC_FW_UNDI "fw.undi" | |
442 | /* NCSI support/handler version */ | |
443 | #define DEVLINK_INFO_VERSION_GENERIC_FW_NCSI "fw.ncsi" | |
444 | ||
b16ebe92 | 445 | struct devlink_region; |
f9cf2288 | 446 | struct devlink_info_req; |
b16ebe92 | 447 | |
d7e52722 AV |
448 | typedef void devlink_snapshot_data_dest_t(const void *data); |
449 | ||
1db64e87 | 450 | struct devlink_fmsg; |
a0bdcc59 EBE |
451 | struct devlink_health_reporter; |
452 | ||
3167b27a EBE |
453 | enum devlink_health_reporter_state { |
454 | DEVLINK_HEALTH_REPORTER_STATE_HEALTHY, | |
455 | DEVLINK_HEALTH_REPORTER_STATE_ERROR, | |
456 | }; | |
457 | ||
a0bdcc59 EBE |
458 | /** |
459 | * struct devlink_health_reporter_ops - Reporter operations | |
460 | * @name: reporter name | |
461 | * @recover: callback to recover from reported error | |
462 | * if priv_ctx is NULL, run a full recover | |
463 | * @dump: callback to dump an object | |
464 | * if priv_ctx is NULL, run a full dump | |
465 | * @diagnose: callback to diagnose the current status | |
466 | */ | |
467 | ||
468 | struct devlink_health_reporter_ops { | |
469 | char *name; | |
470 | int (*recover)(struct devlink_health_reporter *reporter, | |
471 | void *priv_ctx); | |
472 | int (*dump)(struct devlink_health_reporter *reporter, | |
473 | struct devlink_fmsg *fmsg, void *priv_ctx); | |
474 | int (*diagnose)(struct devlink_health_reporter *reporter, | |
475 | struct devlink_fmsg *fmsg); | |
476 | }; | |
1db64e87 | 477 | |
bfcd3a46 | 478 | struct devlink_ops { |
ac0fc8a1 | 479 | int (*reload)(struct devlink *devlink, struct netlink_ext_ack *extack); |
bfcd3a46 JP |
480 | int (*port_type_set)(struct devlink_port *devlink_port, |
481 | enum devlink_port_type port_type); | |
482 | int (*port_split)(struct devlink *devlink, unsigned int port_index, | |
ac0fc8a1 DA |
483 | unsigned int count, struct netlink_ext_ack *extack); |
484 | int (*port_unsplit)(struct devlink *devlink, unsigned int port_index, | |
485 | struct netlink_ext_ack *extack); | |
bf797471 JP |
486 | int (*sb_pool_get)(struct devlink *devlink, unsigned int sb_index, |
487 | u16 pool_index, | |
488 | struct devlink_sb_pool_info *pool_info); | |
489 | int (*sb_pool_set)(struct devlink *devlink, unsigned int sb_index, | |
490 | u16 pool_index, u32 size, | |
f2ad1a52 IS |
491 | enum devlink_sb_threshold_type threshold_type, |
492 | struct netlink_ext_ack *extack); | |
bf797471 JP |
493 | int (*sb_port_pool_get)(struct devlink_port *devlink_port, |
494 | unsigned int sb_index, u16 pool_index, | |
495 | u32 *p_threshold); | |
496 | int (*sb_port_pool_set)(struct devlink_port *devlink_port, | |
497 | unsigned int sb_index, u16 pool_index, | |
f2ad1a52 | 498 | u32 threshold, struct netlink_ext_ack *extack); |
bf797471 JP |
499 | int (*sb_tc_pool_bind_get)(struct devlink_port *devlink_port, |
500 | unsigned int sb_index, | |
501 | u16 tc_index, | |
502 | enum devlink_sb_pool_type pool_type, | |
503 | u16 *p_pool_index, u32 *p_threshold); | |
504 | int (*sb_tc_pool_bind_set)(struct devlink_port *devlink_port, | |
505 | unsigned int sb_index, | |
506 | u16 tc_index, | |
507 | enum devlink_sb_pool_type pool_type, | |
f2ad1a52 IS |
508 | u16 pool_index, u32 threshold, |
509 | struct netlink_ext_ack *extack); | |
df38dafd JP |
510 | int (*sb_occ_snapshot)(struct devlink *devlink, |
511 | unsigned int sb_index); | |
512 | int (*sb_occ_max_clear)(struct devlink *devlink, | |
513 | unsigned int sb_index); | |
514 | int (*sb_occ_port_pool_get)(struct devlink_port *devlink_port, | |
515 | unsigned int sb_index, u16 pool_index, | |
516 | u32 *p_cur, u32 *p_max); | |
517 | int (*sb_occ_tc_port_bind_get)(struct devlink_port *devlink_port, | |
518 | unsigned int sb_index, | |
519 | u16 tc_index, | |
520 | enum devlink_sb_pool_type pool_type, | |
521 | u32 *p_cur, u32 *p_max); | |
08f4b591 OG |
522 | |
523 | int (*eswitch_mode_get)(struct devlink *devlink, u16 *p_mode); | |
db7ff19e EB |
524 | int (*eswitch_mode_set)(struct devlink *devlink, u16 mode, |
525 | struct netlink_ext_ack *extack); | |
59bfde01 | 526 | int (*eswitch_inline_mode_get)(struct devlink *devlink, u8 *p_inline_mode); |
db7ff19e EB |
527 | int (*eswitch_inline_mode_set)(struct devlink *devlink, u8 inline_mode, |
528 | struct netlink_ext_ack *extack); | |
f43e9b06 | 529 | int (*eswitch_encap_mode_get)(struct devlink *devlink, u8 *p_encap_mode); |
db7ff19e EB |
530 | int (*eswitch_encap_mode_set)(struct devlink *devlink, u8 encap_mode, |
531 | struct netlink_ext_ack *extack); | |
f9cf2288 JK |
532 | int (*info_get)(struct devlink *devlink, struct devlink_info_req *req, |
533 | struct netlink_ext_ack *extack); | |
76726ccb JK |
534 | int (*flash_update)(struct devlink *devlink, const char *file_name, |
535 | const char *component, | |
536 | struct netlink_ext_ack *extack); | |
bfcd3a46 JP |
537 | }; |
538 | ||
539 | static inline void *devlink_priv(struct devlink *devlink) | |
540 | { | |
541 | BUG_ON(!devlink); | |
542 | return &devlink->priv; | |
543 | } | |
544 | ||
545 | static inline struct devlink *priv_to_devlink(void *priv) | |
546 | { | |
547 | BUG_ON(!priv); | |
548 | return container_of(priv, struct devlink, priv); | |
549 | } | |
550 | ||
5dc37bb9 JP |
551 | static inline struct devlink_port * |
552 | netdev_to_devlink_port(struct net_device *dev) | |
553 | { | |
554 | if (dev->netdev_ops->ndo_get_devlink_port) | |
555 | return dev->netdev_ops->ndo_get_devlink_port(dev); | |
556 | return NULL; | |
557 | } | |
558 | ||
b473b0d2 JK |
559 | static inline struct devlink *netdev_to_devlink(struct net_device *dev) |
560 | { | |
5dc37bb9 JP |
561 | struct devlink_port *devlink_port = netdev_to_devlink_port(dev); |
562 | ||
563 | if (devlink_port) | |
564 | return devlink_port->devlink; | |
b473b0d2 JK |
565 | return NULL; |
566 | } | |
567 | ||
bfcd3a46 JP |
568 | struct ib_device; |
569 | ||
bfcd3a46 JP |
570 | struct devlink *devlink_alloc(const struct devlink_ops *ops, size_t priv_size); |
571 | int devlink_register(struct devlink *devlink, struct device *dev); | |
572 | void devlink_unregister(struct devlink *devlink); | |
573 | void devlink_free(struct devlink *devlink); | |
574 | int devlink_port_register(struct devlink *devlink, | |
575 | struct devlink_port *devlink_port, | |
576 | unsigned int port_index); | |
577 | void devlink_port_unregister(struct devlink_port *devlink_port); | |
578 | void devlink_port_type_eth_set(struct devlink_port *devlink_port, | |
579 | struct net_device *netdev); | |
580 | void devlink_port_type_ib_set(struct devlink_port *devlink_port, | |
581 | struct ib_device *ibdev); | |
582 | void devlink_port_type_clear(struct devlink_port *devlink_port); | |
b9ffcbaf | 583 | void devlink_port_attrs_set(struct devlink_port *devlink_port, |
5ec1380a | 584 | enum devlink_port_flavour flavour, |
b9ffcbaf | 585 | u32 port_number, bool split, |
bec5267c JP |
586 | u32 split_subport_number, |
587 | const unsigned char *switch_id, | |
588 | unsigned char switch_id_len); | |
bf797471 JP |
589 | int devlink_sb_register(struct devlink *devlink, unsigned int sb_index, |
590 | u32 size, u16 ingress_pools_count, | |
591 | u16 egress_pools_count, u16 ingress_tc_count, | |
592 | u16 egress_tc_count); | |
593 | void devlink_sb_unregister(struct devlink *devlink, unsigned int sb_index); | |
1555d204 AS |
594 | int devlink_dpipe_table_register(struct devlink *devlink, |
595 | const char *table_name, | |
596 | struct devlink_dpipe_table_ops *table_ops, | |
ffd3cdcc | 597 | void *priv, bool counter_control_extern); |
1555d204 AS |
598 | void devlink_dpipe_table_unregister(struct devlink *devlink, |
599 | const char *table_name); | |
600 | int devlink_dpipe_headers_register(struct devlink *devlink, | |
601 | struct devlink_dpipe_headers *dpipe_headers); | |
602 | void devlink_dpipe_headers_unregister(struct devlink *devlink); | |
603 | bool devlink_dpipe_table_counter_enabled(struct devlink *devlink, | |
604 | const char *table_name); | |
605 | int devlink_dpipe_entry_ctx_prepare(struct devlink_dpipe_dump_ctx *dump_ctx); | |
606 | int devlink_dpipe_entry_ctx_append(struct devlink_dpipe_dump_ctx *dump_ctx, | |
607 | struct devlink_dpipe_entry *entry); | |
608 | int devlink_dpipe_entry_ctx_close(struct devlink_dpipe_dump_ctx *dump_ctx); | |
35807324 | 609 | void devlink_dpipe_entry_clear(struct devlink_dpipe_entry *entry); |
1555d204 AS |
610 | int devlink_dpipe_action_put(struct sk_buff *skb, |
611 | struct devlink_dpipe_action *action); | |
612 | int devlink_dpipe_match_put(struct sk_buff *skb, | |
613 | struct devlink_dpipe_match *match); | |
11770091 | 614 | extern struct devlink_dpipe_header devlink_dpipe_header_ethernet; |
3fb886ec | 615 | extern struct devlink_dpipe_header devlink_dpipe_header_ipv4; |
1797f5b3 | 616 | extern struct devlink_dpipe_header devlink_dpipe_header_ipv6; |
bfcd3a46 | 617 | |
d9f9b9a4 AS |
618 | int devlink_resource_register(struct devlink *devlink, |
619 | const char *resource_name, | |
d9f9b9a4 AS |
620 | u64 resource_size, |
621 | u64 resource_id, | |
622 | u64 parent_resource_id, | |
fc56be47 | 623 | const struct devlink_resource_size_params *size_params); |
d9f9b9a4 AS |
624 | void devlink_resources_unregister(struct devlink *devlink, |
625 | struct devlink_resource *resource); | |
626 | int devlink_resource_size_get(struct devlink *devlink, | |
627 | u64 resource_id, | |
628 | u64 *p_resource_size); | |
56dc7cd0 AS |
629 | int devlink_dpipe_table_resource_set(struct devlink *devlink, |
630 | const char *table_name, u64 resource_id, | |
631 | u64 resource_units); | |
fc56be47 JP |
632 | void devlink_resource_occ_get_register(struct devlink *devlink, |
633 | u64 resource_id, | |
634 | devlink_resource_occ_get_t *occ_get, | |
635 | void *occ_get_priv); | |
636 | void devlink_resource_occ_get_unregister(struct devlink *devlink, | |
637 | u64 resource_id); | |
eabaef18 MS |
638 | int devlink_params_register(struct devlink *devlink, |
639 | const struct devlink_param *params, | |
640 | size_t params_count); | |
641 | void devlink_params_unregister(struct devlink *devlink, | |
642 | const struct devlink_param *params, | |
643 | size_t params_count); | |
7c62cfb8 JP |
644 | void devlink_params_publish(struct devlink *devlink); |
645 | void devlink_params_unpublish(struct devlink *devlink); | |
39e6160e VV |
646 | int devlink_port_params_register(struct devlink_port *devlink_port, |
647 | const struct devlink_param *params, | |
648 | size_t params_count); | |
649 | void devlink_port_params_unregister(struct devlink_port *devlink_port, | |
650 | const struct devlink_param *params, | |
651 | size_t params_count); | |
ec01aeb1 MS |
652 | int devlink_param_driverinit_value_get(struct devlink *devlink, u32 param_id, |
653 | union devlink_param_value *init_val); | |
654 | int devlink_param_driverinit_value_set(struct devlink *devlink, u32 param_id, | |
655 | union devlink_param_value init_val); | |
ffd19b9a VV |
656 | int |
657 | devlink_port_param_driverinit_value_get(struct devlink_port *devlink_port, | |
658 | u32 param_id, | |
659 | union devlink_param_value *init_val); | |
5473a7bd VV |
660 | int devlink_port_param_driverinit_value_set(struct devlink_port *devlink_port, |
661 | u32 param_id, | |
662 | union devlink_param_value init_val); | |
ea601e17 | 663 | void devlink_param_value_changed(struct devlink *devlink, u32 param_id); |
c1e5786d VV |
664 | void devlink_port_param_value_changed(struct devlink_port *devlink_port, |
665 | u32 param_id); | |
bde74ad1 MS |
666 | void devlink_param_value_str_fill(union devlink_param_value *dst_val, |
667 | const char *src); | |
b16ebe92 AV |
668 | struct devlink_region *devlink_region_create(struct devlink *devlink, |
669 | const char *region_name, | |
670 | u32 region_max_snapshots, | |
671 | u64 region_size); | |
672 | void devlink_region_destroy(struct devlink_region *region); | |
ccadfa44 | 673 | u32 devlink_region_shapshot_id_get(struct devlink *devlink); |
d7e52722 AV |
674 | int devlink_region_snapshot_create(struct devlink_region *region, u64 data_len, |
675 | u8 *data, u32 snapshot_id, | |
676 | devlink_snapshot_data_dest_t *data_destructor); | |
f9cf2288 JK |
677 | int devlink_info_serial_number_put(struct devlink_info_req *req, |
678 | const char *sn); | |
679 | int devlink_info_driver_name_put(struct devlink_info_req *req, | |
680 | const char *name); | |
fc6fae7d JK |
681 | int devlink_info_version_fixed_put(struct devlink_info_req *req, |
682 | const char *version_name, | |
683 | const char *version_value); | |
684 | int devlink_info_version_stored_put(struct devlink_info_req *req, | |
685 | const char *version_name, | |
686 | const char *version_value); | |
687 | int devlink_info_version_running_put(struct devlink_info_req *req, | |
688 | const char *version_name, | |
689 | const char *version_value); | |
d9f9b9a4 | 690 | |
1db64e87 EBE |
691 | int devlink_fmsg_obj_nest_start(struct devlink_fmsg *fmsg); |
692 | int devlink_fmsg_obj_nest_end(struct devlink_fmsg *fmsg); | |
693 | ||
694 | int devlink_fmsg_pair_nest_start(struct devlink_fmsg *fmsg, const char *name); | |
695 | int devlink_fmsg_pair_nest_end(struct devlink_fmsg *fmsg); | |
696 | ||
697 | int devlink_fmsg_arr_pair_nest_start(struct devlink_fmsg *fmsg, | |
698 | const char *name); | |
699 | int devlink_fmsg_arr_pair_nest_end(struct devlink_fmsg *fmsg); | |
700 | ||
701 | int devlink_fmsg_bool_put(struct devlink_fmsg *fmsg, bool value); | |
702 | int devlink_fmsg_u8_put(struct devlink_fmsg *fmsg, u8 value); | |
703 | int devlink_fmsg_u32_put(struct devlink_fmsg *fmsg, u32 value); | |
704 | int devlink_fmsg_u64_put(struct devlink_fmsg *fmsg, u64 value); | |
705 | int devlink_fmsg_string_put(struct devlink_fmsg *fmsg, const char *value); | |
706 | int devlink_fmsg_binary_put(struct devlink_fmsg *fmsg, const void *value, | |
707 | u16 value_len); | |
708 | ||
709 | int devlink_fmsg_bool_pair_put(struct devlink_fmsg *fmsg, const char *name, | |
710 | bool value); | |
711 | int devlink_fmsg_u8_pair_put(struct devlink_fmsg *fmsg, const char *name, | |
712 | u8 value); | |
713 | int devlink_fmsg_u32_pair_put(struct devlink_fmsg *fmsg, const char *name, | |
714 | u32 value); | |
715 | int devlink_fmsg_u64_pair_put(struct devlink_fmsg *fmsg, const char *name, | |
716 | u64 value); | |
717 | int devlink_fmsg_string_pair_put(struct devlink_fmsg *fmsg, const char *name, | |
718 | const char *value); | |
719 | int devlink_fmsg_binary_pair_put(struct devlink_fmsg *fmsg, const char *name, | |
720 | const void *value, u16 value_len); | |
721 | ||
a0bdcc59 EBE |
722 | struct devlink_health_reporter * |
723 | devlink_health_reporter_create(struct devlink *devlink, | |
724 | const struct devlink_health_reporter_ops *ops, | |
725 | u64 graceful_period, bool auto_recover, | |
726 | void *priv); | |
727 | void | |
728 | devlink_health_reporter_destroy(struct devlink_health_reporter *reporter); | |
729 | ||
730 | void * | |
731 | devlink_health_reporter_priv(struct devlink_health_reporter *reporter); | |
c8e1da0b EBE |
732 | int devlink_health_report(struct devlink_health_reporter *reporter, |
733 | const char *msg, void *priv_ctx); | |
3167b27a EBE |
734 | void |
735 | devlink_health_reporter_state_update(struct devlink_health_reporter *reporter, | |
736 | enum devlink_health_reporter_state state); | |
a0bdcc59 | 737 | |
f6b19b35 JP |
738 | #if IS_ENABLED(CONFIG_NET_DEVLINK) |
739 | ||
f4b6bcc7 JK |
740 | void devlink_compat_running_version(struct net_device *dev, |
741 | char *buf, size_t len); | |
742 | int devlink_compat_flash_update(struct net_device *dev, const char *file_name); | |
af3836df JP |
743 | int devlink_compat_phys_port_name_get(struct net_device *dev, |
744 | char *name, size_t len); | |
7e1146e8 JP |
745 | int devlink_compat_switch_id_get(struct net_device *dev, |
746 | struct netdev_phys_item_id *ppid); | |
f4b6bcc7 | 747 | |
bfcd3a46 JP |
748 | #else |
749 | ||
ddb6e99e JK |
750 | static inline void |
751 | devlink_compat_running_version(struct net_device *dev, char *buf, size_t len) | |
752 | { | |
753 | } | |
4eceba17 JK |
754 | |
755 | static inline int | |
756 | devlink_compat_flash_update(struct net_device *dev, const char *file_name) | |
757 | { | |
758 | return -EOPNOTSUPP; | |
759 | } | |
f6b19b35 | 760 | |
af3836df JP |
761 | static inline int |
762 | devlink_compat_phys_port_name_get(struct net_device *dev, | |
763 | char *name, size_t len) | |
764 | { | |
765 | return -EOPNOTSUPP; | |
766 | } | |
767 | ||
7e1146e8 JP |
768 | static inline int |
769 | devlink_compat_switch_id_get(struct net_device *dev, | |
770 | struct netdev_phys_item_id *ppid) | |
771 | { | |
772 | return -EOPNOTSUPP; | |
773 | } | |
774 | ||
ddb6e99e JK |
775 | #endif |
776 | ||
bfcd3a46 | 777 | #endif /* _NET_DEVLINK_H_ */ |