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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
[mirror_ubuntu-jammy-kernel.git] / include / net / devlink.h
CommitLineData
bfcd3a46
JP		 1/*
2 * include/net/devlink.h - Network physical device Netlink interface
3 * Copyright (c) 2016 Mellanox Technologies. All rights reserved.
4 * Copyright (c) 2016 Jiri Pirko <jiri@mellanox.com>
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 _NET_DEVLINK_H_
12#define _NET_DEVLINK_H_
13
14#include <linux/device.h>
15#include <linux/slab.h>
16#include <linux/gfp.h>
17#include <linux/list.h>
18#include <linux/netdevice.h>
19#include <net/net_namespace.h>
20#include <uapi/linux/devlink.h>
21
22struct devlink_ops;
23
24struct devlink {
25 struct list_head list;
26 struct list_head port_list;
bf797471 27 struct list_head sb_list;
1555d204 28 struct list_head dpipe_table_list;
d9f9b9a4 29 struct list_head resource_list;
eabaef18 30 struct list_head param_list;
b16ebe92 31 struct list_head region_list;
ccadfa44 32 u32 snapshot_id;
1555d204 33 struct devlink_dpipe_headers *dpipe_headers;
bfcd3a46
JP		 34 const struct devlink_ops *ops;
35 struct device *dev;
36 possible_net_t _net;
2406e7e5 37 struct mutex lock;
bfcd3a46
JP		 38 char priv[0] __aligned(NETDEV_ALIGN);
39};
40
b9ffcbaf
JP		 41struct devlink_port_attrs {
42 bool set;
5ec1380a 43 enum devlink_port_flavour flavour;
b9ffcbaf
JP		 44 u32 port_number; /* same value as "split group" */
45 bool split;
46 u32 split_subport_number;
47};
48
bfcd3a46
JP		 49struct devlink_port {
50 struct list_head list;
51 struct devlink *devlink;
52 unsigned index;
53 bool registered;
54 enum devlink_port_type type;
55 enum devlink_port_type desired_type;
56 void *type_dev;
b9ffcbaf 57 struct devlink_port_attrs attrs;
bfcd3a46
JP		 58};
59
bf797471
JP		 60struct devlink_sb_pool_info {
61 enum devlink_sb_pool_type pool_type;
62 u32 size;
63 enum devlink_sb_threshold_type threshold_type;
64};
65
1555d204
AS		 66/**
67 * struct devlink_dpipe_field - dpipe field object
68 * @name: field name
69 * @id: index inside the headers field array
70 * @bitwidth: bitwidth
71 * @mapping_type: mapping type
72 */
73struct devlink_dpipe_field {
74 const char *name;
75 unsigned int id;
76 unsigned int bitwidth;
77 enum devlink_dpipe_field_mapping_type mapping_type;
78};
79
80/**
81 * struct devlink_dpipe_header - dpipe header object
82 * @name: header name
83 * @id: index, global/local detrmined by global bit
84 * @fields: fields
85 * @fields_count: number of fields
86 * @global: indicates if header is shared like most protocol header
87 * or driver specific
88 */
89struct devlink_dpipe_header {
90 const char *name;
91 unsigned int id;
92 struct devlink_dpipe_field *fields;
93 unsigned int fields_count;
94 bool global;
95};
96
97/**
98 * struct devlink_dpipe_match - represents match operation
99 * @type: type of match
100 * @header_index: header index (packets can have several headers of same
101 * type like in case of tunnels)
102 * @header: header
103 * @fieled_id: field index
104 */
105struct devlink_dpipe_match {
106 enum devlink_dpipe_match_type type;
107 unsigned int header_index;
108 struct devlink_dpipe_header *header;
109 unsigned int field_id;
110};
111
112/**
113 * struct devlink_dpipe_action - represents action operation
114 * @type: type of action
115 * @header_index: header index (packets can have several headers of same
116 * type like in case of tunnels)
117 * @header: header
118 * @fieled_id: field index
119 */
120struct devlink_dpipe_action {
121 enum devlink_dpipe_action_type type;
122 unsigned int header_index;
123 struct devlink_dpipe_header *header;
124 unsigned int field_id;
125};
126
127/**
128 * struct devlink_dpipe_value - represents value of match/action
129 * @action: action
130 * @match: match
131 * @mapping_value: in case the field has some mapping this value
132 * specified the mapping value
133 * @mapping_valid: specify if mapping value is valid
134 * @value_size: value size
135 * @value: value
136 * @mask: bit mask
137 */
138struct devlink_dpipe_value {
139 union {
140 struct devlink_dpipe_action *action;
141 struct devlink_dpipe_match *match;
142 };
143 unsigned int mapping_value;
144 bool mapping_valid;
145 unsigned int value_size;
146 void *value;
147 void *mask;
148};
149
150/**
151 * struct devlink_dpipe_entry - table entry object
152 * @index: index of the entry in the table
153 * @match_values: match values
154 * @matche_values_count: count of matches tuples
155 * @action_values: actions values
156 * @action_values_count: count of actions values
157 * @counter: value of counter
158 * @counter_valid: Specify if value is valid from hardware
159 */
160struct devlink_dpipe_entry {
161 u64 index;
162 struct devlink_dpipe_value *match_values;
163 unsigned int match_values_count;
164 struct devlink_dpipe_value *action_values;
165 unsigned int action_values_count;
166 u64 counter;
167 bool counter_valid;
168};
169
170/**
171 * struct devlink_dpipe_dump_ctx - context provided to driver in order
172 * to dump
173 * @info: info
174 * @cmd: devlink command
175 * @skb: skb
176 * @nest: top attribute
177 * @hdr: hdr
178 */
179struct devlink_dpipe_dump_ctx {
180 struct genl_info *info;
181 enum devlink_command cmd;
182 struct sk_buff *skb;
183 struct nlattr *nest;
184 void *hdr;
185};
186
187struct devlink_dpipe_table_ops;
188
189/**
190 * struct devlink_dpipe_table - table object
191 * @priv: private
192 * @name: table name
1555d204
AS		 193 * @counters_enabled: indicates if counters are active
194 * @counter_control_extern: indicates if counter control is in dpipe or
195 * external tool
56dc7cd0
AS		 196 * @resource_valid: Indicate that the resource id is valid
197 * @resource_id: relative resource this table is related to
198 * @resource_units: number of resource's unit consumed per table's entry
1555d204
AS		 199 * @table_ops: table operations
200 * @rcu: rcu
201 */
202struct devlink_dpipe_table {
203 void *priv;
204 struct list_head list;
205 const char *name;
1555d204
AS		 206 bool counters_enabled;
207 bool counter_control_extern;
56dc7cd0
AS		 208 bool resource_valid;
209 u64 resource_id;
210 u64 resource_units;
1555d204
AS		 211 struct devlink_dpipe_table_ops *table_ops;
212 struct rcu_head rcu;
213};
214
215/**
216 * struct devlink_dpipe_table_ops - dpipe_table ops
217 * @actions_dump - dumps all tables actions
218 * @matches_dump - dumps all tables matches
219 * @entries_dump - dumps all active entries in the table
220 * @counters_set_update - when changing the counter status hardware sync
221 * maybe needed to allocate/free counter related
222 * resources
ffd3cdcc 223 * @size_get - get size
1555d204
AS		 224 */
225struct devlink_dpipe_table_ops {
226 int (*actions_dump)(void *priv, struct sk_buff *skb);
227 int (*matches_dump)(void *priv, struct sk_buff *skb);
228 int (*entries_dump)(void *priv, bool counters_enabled,
229 struct devlink_dpipe_dump_ctx *dump_ctx);
230 int (*counters_set_update)(void *priv, bool enable);
ffd3cdcc 231 u64 (*size_get)(void *priv);
1555d204
AS		 232};
233
234/**
235 * struct devlink_dpipe_headers - dpipe headers
236 * @headers - header array can be shared (global bit) or driver specific
237 * @headers_count - count of headers
238 */
239struct devlink_dpipe_headers {
240 struct devlink_dpipe_header **headers;
241 unsigned int headers_count;
242};
243
d9f9b9a4
AS		 244/**
245 * struct devlink_resource_size_params - resource's size parameters
246 * @size_min: minimum size which can be set
247 * @size_max: maximum size which can be set
248 * @size_granularity: size granularity
249 * @size_unit: resource's basic unit
250 */
251struct devlink_resource_size_params {
252 u64 size_min;
253 u64 size_max;
254 u64 size_granularity;
255 enum devlink_resource_unit unit;
256};
257
77d27096
JP		 258static inline void
259devlink_resource_size_params_init(struct devlink_resource_size_params *size_params,
260 u64 size_min, u64 size_max,
261 u64 size_granularity,
262 enum devlink_resource_unit unit)
263{
264 size_params->size_min = size_min;
265 size_params->size_max = size_max;
266 size_params->size_granularity = size_granularity;
267 size_params->unit = unit;
268}
269
fc56be47
JP		 270typedef u64 devlink_resource_occ_get_t(void *priv);
271
d9f9b9a4
AS		 272/**
273 * struct devlink_resource - devlink resource
274 * @name: name of the resource
275 * @id: id, per devlink instance
276 * @size: size of the resource
277 * @size_new: updated size of the resource, reload is needed
278 * @size_valid: valid in case the total size of the resource is valid
279 * including its children
280 * @parent: parent resource
281 * @size_params: size parameters
282 * @list: parent list
283 * @resource_list: list of child resources
d9f9b9a4
AS		 284 */
285struct devlink_resource {
286 const char *name;
287 u64 id;
288 u64 size;
289 u64 size_new;
290 bool size_valid;
291 struct devlink_resource *parent;
77d27096 292 struct devlink_resource_size_params size_params;
d9f9b9a4
AS		 293 struct list_head list;
294 struct list_head resource_list;
fc56be47
JP		 295 devlink_resource_occ_get_t *occ_get;
296 void *occ_get_priv;
d9f9b9a4
AS		 297};
298
299#define DEVLINK_RESOURCE_ID_PARENT_TOP 0
300
bde74ad1 301#define __DEVLINK_PARAM_MAX_STRING_VALUE 32
eabaef18
MS		 302enum devlink_param_type {
303 DEVLINK_PARAM_TYPE_U8,
304 DEVLINK_PARAM_TYPE_U16,
305 DEVLINK_PARAM_TYPE_U32,
306 DEVLINK_PARAM_TYPE_STRING,
307 DEVLINK_PARAM_TYPE_BOOL,
308};
309
310union devlink_param_value {
311 u8 vu8;
312 u16 vu16;
313 u32 vu32;
bde74ad1 314 char vstr[__DEVLINK_PARAM_MAX_STRING_VALUE];
eabaef18
MS		 315 bool vbool;
316};
317
318struct devlink_param_gset_ctx {
319 union devlink_param_value val;
320 enum devlink_param_cmode cmode;
321};
322
323/**
324 * struct devlink_param - devlink configuration parameter data
325 * @name: name of the parameter
326 * @generic: indicates if the parameter is generic or driver specific
327 * @type: parameter type
328 * @supported_cmodes: bitmap of supported configuration modes
329 * @get: get parameter value, used for runtime and permanent
330 * configuration modes
331 * @set: set parameter value, used for runtime and permanent
332 * configuration modes
e3b7ca18 333 * @validate: validate input value is applicable (within value range, etc.)
eabaef18
MS		 334 *
335 * This struct should be used by the driver to fill the data for
336 * a parameter it registers.
337 */
338struct devlink_param {
339 u32 id;
340 const char *name;
341 bool generic;
342 enum devlink_param_type type;
343 unsigned long supported_cmodes;
344 int (*get)(struct devlink *devlink, u32 id,
345 struct devlink_param_gset_ctx *ctx);
346 int (*set)(struct devlink *devlink, u32 id,
347 struct devlink_param_gset_ctx *ctx);
e3b7ca18
MS		 348 int (*validate)(struct devlink *devlink, u32 id,
349 union devlink_param_value val,
350 struct netlink_ext_ack *extack);
eabaef18
MS		 351};
352
353struct devlink_param_item {
354 struct list_head list;
355 const struct devlink_param *param;
356 union devlink_param_value driverinit_value;
357 bool driverinit_value_valid;
358};
359
360enum devlink_param_generic_id {
036467c3
MS		 361 DEVLINK_PARAM_GENERIC_ID_INT_ERR_RESET,
362 DEVLINK_PARAM_GENERIC_ID_MAX_MACS,
f567bcda 363 DEVLINK_PARAM_GENERIC_ID_ENABLE_SRIOV,
f6a69885 364 DEVLINK_PARAM_GENERIC_ID_REGION_SNAPSHOT,
e3b51061 365 DEVLINK_PARAM_GENERIC_ID_IGNORE_ARI,
f61cba42 366 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX,
16511789 367 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN,
846e980a 368 DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY,
eabaef18
MS		 369
370 /* add new param generic ids above here*/
371 __DEVLINK_PARAM_GENERIC_ID_MAX,
372 DEVLINK_PARAM_GENERIC_ID_MAX = __DEVLINK_PARAM_GENERIC_ID_MAX - 1,
373};
374
036467c3
MS		 375#define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_NAME "internal_error_reset"
376#define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL
377
378#define DEVLINK_PARAM_GENERIC_MAX_MACS_NAME "max_macs"
379#define DEVLINK_PARAM_GENERIC_MAX_MACS_TYPE DEVLINK_PARAM_TYPE_U32
380
f567bcda
VV		 381#define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_NAME "enable_sriov"
382#define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_TYPE DEVLINK_PARAM_TYPE_BOOL
383
f6a69885
AV		 384#define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_NAME "region_snapshot_enable"
385#define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_TYPE DEVLINK_PARAM_TYPE_BOOL
386
e3b51061
VV		 387#define DEVLINK_PARAM_GENERIC_IGNORE_ARI_NAME "ignore_ari"
388#define DEVLINK_PARAM_GENERIC_IGNORE_ARI_TYPE DEVLINK_PARAM_TYPE_BOOL
389
f61cba42
VV		 390#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_NAME "msix_vec_per_pf_max"
391#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_TYPE DEVLINK_PARAM_TYPE_U32
392
16511789
VV		 393#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_NAME "msix_vec_per_pf_min"
394#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_TYPE DEVLINK_PARAM_TYPE_U32
395
846e980a
ST		 396#define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_NAME "fw_load_policy"
397#define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_TYPE DEVLINK_PARAM_TYPE_U8
398
036467c3
MS		 399#define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate) \
400{ \
401 .id = DEVLINK_PARAM_GENERIC_ID_##_id, \
402 .name = DEVLINK_PARAM_GENERIC_##_id##_NAME, \
403 .type = DEVLINK_PARAM_GENERIC_##_id##_TYPE, \
404 .generic = true, \
405 .supported_cmodes = _cmodes, \
406 .get = _get, \
407 .set = _set, \
408 .validate = _validate, \
409}
410
411#define DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, _get, _set, _validate) \
412{ \
413 .id = _id, \
414 .name = _name, \
415 .type = _type, \
416 .supported_cmodes = _cmodes, \
417 .get = _get, \
418 .set = _set, \
419 .validate = _validate, \
420}
421
b16ebe92
AV		 422struct devlink_region;
423
d7e52722
AV		 424typedef void devlink_snapshot_data_dest_t(const void *data);
425
bfcd3a46 426struct devlink_ops {
ac0fc8a1 427 int (*reload)(struct devlink *devlink, struct netlink_ext_ack *extack);
bfcd3a46
JP		 428 int (*port_type_set)(struct devlink_port *devlink_port,
429 enum devlink_port_type port_type);
430 int (*port_split)(struct devlink *devlink, unsigned int port_index,
ac0fc8a1
DA		 431 unsigned int count, struct netlink_ext_ack *extack);
432 int (*port_unsplit)(struct devlink *devlink, unsigned int port_index,
433 struct netlink_ext_ack *extack);
bf797471
JP		 434 int (*sb_pool_get)(struct devlink *devlink, unsigned int sb_index,
435 u16 pool_index,
436 struct devlink_sb_pool_info *pool_info);
437 int (*sb_pool_set)(struct devlink *devlink, unsigned int sb_index,
438 u16 pool_index, u32 size,
439 enum devlink_sb_threshold_type threshold_type);
440 int (*sb_port_pool_get)(struct devlink_port *devlink_port,
441 unsigned int sb_index, u16 pool_index,
442 u32 *p_threshold);
443 int (*sb_port_pool_set)(struct devlink_port *devlink_port,
444 unsigned int sb_index, u16 pool_index,
445 u32 threshold);
446 int (*sb_tc_pool_bind_get)(struct devlink_port *devlink_port,
447 unsigned int sb_index,
448 u16 tc_index,
449 enum devlink_sb_pool_type pool_type,
450 u16 *p_pool_index, u32 *p_threshold);
451 int (*sb_tc_pool_bind_set)(struct devlink_port *devlink_port,
452 unsigned int sb_index,
453 u16 tc_index,
454 enum devlink_sb_pool_type pool_type,
455 u16 pool_index, u32 threshold);
df38dafd
JP		 456 int (*sb_occ_snapshot)(struct devlink *devlink,
457 unsigned int sb_index);
458 int (*sb_occ_max_clear)(struct devlink *devlink,
459 unsigned int sb_index);
460 int (*sb_occ_port_pool_get)(struct devlink_port *devlink_port,
461 unsigned int sb_index, u16 pool_index,
462 u32 *p_cur, u32 *p_max);
463 int (*sb_occ_tc_port_bind_get)(struct devlink_port *devlink_port,
464 unsigned int sb_index,
465 u16 tc_index,
466 enum devlink_sb_pool_type pool_type,
467 u32 *p_cur, u32 *p_max);
08f4b591
OG		 468
469 int (*eswitch_mode_get)(struct devlink *devlink, u16 *p_mode);
db7ff19e
EB		 470 int (*eswitch_mode_set)(struct devlink *devlink, u16 mode,
471 struct netlink_ext_ack *extack);
59bfde01 472 int (*eswitch_inline_mode_get)(struct devlink *devlink, u8 *p_inline_mode);
db7ff19e
EB		 473 int (*eswitch_inline_mode_set)(struct devlink *devlink, u8 inline_mode,
474 struct netlink_ext_ack *extack);
f43e9b06 475 int (*eswitch_encap_mode_get)(struct devlink *devlink, u8 *p_encap_mode);
db7ff19e
EB		 476 int (*eswitch_encap_mode_set)(struct devlink *devlink, u8 encap_mode,
477 struct netlink_ext_ack *extack);
bfcd3a46
JP		 478};
479
480static inline void *devlink_priv(struct devlink *devlink)
481{
482 BUG_ON(!devlink);
483 return &devlink->priv;
484}
485
486static inline struct devlink *priv_to_devlink(void *priv)
487{
488 BUG_ON(!priv);
489 return container_of(priv, struct devlink, priv);
490}
491
492struct ib_device;
493
494#if IS_ENABLED(CONFIG_NET_DEVLINK)
495
496struct devlink *devlink_alloc(const struct devlink_ops *ops, size_t priv_size);
497int devlink_register(struct devlink *devlink, struct device *dev);
498void devlink_unregister(struct devlink *devlink);
499void devlink_free(struct devlink *devlink);
500int devlink_port_register(struct devlink *devlink,
501 struct devlink_port *devlink_port,
502 unsigned int port_index);
503void devlink_port_unregister(struct devlink_port *devlink_port);
504void devlink_port_type_eth_set(struct devlink_port *devlink_port,
505 struct net_device *netdev);
506void devlink_port_type_ib_set(struct devlink_port *devlink_port,
507 struct ib_device *ibdev);
508void devlink_port_type_clear(struct devlink_port *devlink_port);
b9ffcbaf 509void devlink_port_attrs_set(struct devlink_port *devlink_port,
5ec1380a 510 enum devlink_port_flavour flavour,
b9ffcbaf
JP		 511 u32 port_number, bool split,
512 u32 split_subport_number);
08474c1a
JP		 513int devlink_port_get_phys_port_name(struct devlink_port *devlink_port,
514 char *name, size_t len);
bf797471
JP		 515int devlink_sb_register(struct devlink *devlink, unsigned int sb_index,
516 u32 size, u16 ingress_pools_count,
517 u16 egress_pools_count, u16 ingress_tc_count,
518 u16 egress_tc_count);
519void devlink_sb_unregister(struct devlink *devlink, unsigned int sb_index);
1555d204
AS		 520int devlink_dpipe_table_register(struct devlink *devlink,
521 const char *table_name,
522 struct devlink_dpipe_table_ops *table_ops,
ffd3cdcc 523 void *priv, bool counter_control_extern);
1555d204
AS		 524void devlink_dpipe_table_unregister(struct devlink *devlink,
525 const char *table_name);
526int devlink_dpipe_headers_register(struct devlink *devlink,
527 struct devlink_dpipe_headers *dpipe_headers);
528void devlink_dpipe_headers_unregister(struct devlink *devlink);
529bool devlink_dpipe_table_counter_enabled(struct devlink *devlink,
530 const char *table_name);
531int devlink_dpipe_entry_ctx_prepare(struct devlink_dpipe_dump_ctx *dump_ctx);
532int devlink_dpipe_entry_ctx_append(struct devlink_dpipe_dump_ctx *dump_ctx,
533 struct devlink_dpipe_entry *entry);
534int devlink_dpipe_entry_ctx_close(struct devlink_dpipe_dump_ctx *dump_ctx);
35807324 535void devlink_dpipe_entry_clear(struct devlink_dpipe_entry *entry);
1555d204
AS		 536int devlink_dpipe_action_put(struct sk_buff *skb,
537 struct devlink_dpipe_action *action);
538int devlink_dpipe_match_put(struct sk_buff *skb,
539 struct devlink_dpipe_match *match);
11770091 540extern struct devlink_dpipe_header devlink_dpipe_header_ethernet;
3fb886ec 541extern struct devlink_dpipe_header devlink_dpipe_header_ipv4;
1797f5b3 542extern struct devlink_dpipe_header devlink_dpipe_header_ipv6;
bfcd3a46 543
d9f9b9a4
AS		 544int devlink_resource_register(struct devlink *devlink,
545 const char *resource_name,
d9f9b9a4
AS		 546 u64 resource_size,
547 u64 resource_id,
548 u64 parent_resource_id,
fc56be47 549 const struct devlink_resource_size_params *size_params);
d9f9b9a4
AS		 550void devlink_resources_unregister(struct devlink *devlink,
551 struct devlink_resource *resource);
552int devlink_resource_size_get(struct devlink *devlink,
553 u64 resource_id,
554 u64 *p_resource_size);
56dc7cd0
AS		 555int devlink_dpipe_table_resource_set(struct devlink *devlink,
556 const char *table_name, u64 resource_id,
557 u64 resource_units);
fc56be47
JP		 558void devlink_resource_occ_get_register(struct devlink *devlink,
559 u64 resource_id,
560 devlink_resource_occ_get_t *occ_get,
561 void *occ_get_priv);
562void devlink_resource_occ_get_unregister(struct devlink *devlink,
563 u64 resource_id);
eabaef18
MS		 564int devlink_params_register(struct devlink *devlink,
565 const struct devlink_param *params,
566 size_t params_count);
567void devlink_params_unregister(struct devlink *devlink,
568 const struct devlink_param *params,
569 size_t params_count);
ec01aeb1
MS		 570int devlink_param_driverinit_value_get(struct devlink *devlink, u32 param_id,
571 union devlink_param_value *init_val);
572int devlink_param_driverinit_value_set(struct devlink *devlink, u32 param_id,
573 union devlink_param_value init_val);
ea601e17 574void devlink_param_value_changed(struct devlink *devlink, u32 param_id);
bde74ad1
MS		 575void devlink_param_value_str_fill(union devlink_param_value *dst_val,
576 const char *src);
b16ebe92
AV		 577struct devlink_region *devlink_region_create(struct devlink *devlink,
578 const char *region_name,
579 u32 region_max_snapshots,
580 u64 region_size);
581void devlink_region_destroy(struct devlink_region *region);
ccadfa44 582u32 devlink_region_shapshot_id_get(struct devlink *devlink);
d7e52722
AV		 583int devlink_region_snapshot_create(struct devlink_region *region, u64 data_len,
584 u8 *data, u32 snapshot_id,
585 devlink_snapshot_data_dest_t *data_destructor);
d9f9b9a4 586
bfcd3a46
JP		 587#else
588
589static inline struct devlink *devlink_alloc(const struct devlink_ops *ops,
590 size_t priv_size)
591{
592 return kzalloc(sizeof(struct devlink) + priv_size, GFP_KERNEL);
593}
594
595static inline int devlink_register(struct devlink *devlink, struct device *dev)
596{
597 return 0;
598}
599
600static inline void devlink_unregister(struct devlink *devlink)
601{
602}
603
604static inline void devlink_free(struct devlink *devlink)
605{
606 kfree(devlink);
607}
608
609static inline int devlink_port_register(struct devlink *devlink,
610 struct devlink_port *devlink_port,
611 unsigned int port_index)
612{
613 return 0;
614}
615
616static inline void devlink_port_unregister(struct devlink_port *devlink_port)
617{
618}
619
620static inline void devlink_port_type_eth_set(struct devlink_port *devlink_port,
621 struct net_device *netdev)
622{
623}
624
625static inline void devlink_port_type_ib_set(struct devlink_port *devlink_port,
626 struct ib_device *ibdev)
627{
628}
629
630static inline void devlink_port_type_clear(struct devlink_port *devlink_port)
631{
632}
633
b9ffcbaf 634static inline void devlink_port_attrs_set(struct devlink_port *devlink_port,
5ec1380a 635 enum devlink_port_flavour flavour,
b9ffcbaf
JP		 636 u32 port_number, bool split,
637 u32 split_subport_number)
bfcd3a46
JP		 638{
639}
640
08474c1a
JP		 641static inline int
642devlink_port_get_phys_port_name(struct devlink_port *devlink_port,
643 char *name, size_t len)
644{
645 return -EOPNOTSUPP;
646}
647
bf797471
JP		 648static inline int devlink_sb_register(struct devlink *devlink,
649 unsigned int sb_index, u32 size,
650 u16 ingress_pools_count,
de33efd0
JP		 651 u16 egress_pools_count,
652 u16 ingress_tc_count,
653 u16 egress_tc_count)
bf797471
JP		 654{
655 return 0;
656}
657
658static inline void devlink_sb_unregister(struct devlink *devlink,
659 unsigned int sb_index)
660{
661}
662
1555d204
AS		 663static inline int
664devlink_dpipe_table_register(struct devlink *devlink,
665 const char *table_name,
666 struct devlink_dpipe_table_ops *table_ops,
790c6056 667 void *priv, bool counter_control_extern)
1555d204
AS		 668{
669 return 0;
670}
671
672static inline void devlink_dpipe_table_unregister(struct devlink *devlink,
673 const char *table_name)
674{
675}
676
677static inline int devlink_dpipe_headers_register(struct devlink *devlink,
678 struct devlink_dpipe_headers *
679 dpipe_headers)
680{
681 return 0;
682}
683
684static inline void devlink_dpipe_headers_unregister(struct devlink *devlink)
685{
686}
687
688static inline bool devlink_dpipe_table_counter_enabled(struct devlink *devlink,
689 const char *table_name)
690{
691 return false;
692}
693
694static inline int
695devlink_dpipe_entry_ctx_prepare(struct devlink_dpipe_dump_ctx *dump_ctx)
696{
697 return 0;
698}
699
700static inline int
701devlink_dpipe_entry_ctx_append(struct devlink_dpipe_dump_ctx *dump_ctx,
702 struct devlink_dpipe_entry *entry)
703{
704 return 0;
705}
706
707static inline int
708devlink_dpipe_entry_ctx_close(struct devlink_dpipe_dump_ctx *dump_ctx)
709{
710 return 0;
711}
712
35807324
AS		 713static inline void
714devlink_dpipe_entry_clear(struct devlink_dpipe_entry *entry)
715{
716}
717
1555d204
AS		 718static inline int
719devlink_dpipe_action_put(struct sk_buff *skb,
720 struct devlink_dpipe_action *action)
721{
722 return 0;
723}
724
725static inline int
726devlink_dpipe_match_put(struct sk_buff *skb,
727 struct devlink_dpipe_match *match)
728{
729 return 0;
730}
731
d9f9b9a4
AS		 732static inline int
733devlink_resource_register(struct devlink *devlink,
734 const char *resource_name,
d9f9b9a4
AS		 735 u64 resource_size,
736 u64 resource_id,
737 u64 parent_resource_id,
fc56be47 738 const struct devlink_resource_size_params *size_params)
d9f9b9a4
AS		 739{
740 return 0;
741}
742
743static inline void
744devlink_resources_unregister(struct devlink *devlink,
745 struct devlink_resource *resource)
746{
747}
748
749static inline int
750devlink_resource_size_get(struct devlink *devlink, u64 resource_id,
751 u64 *p_resource_size)
752{
753 return -EOPNOTSUPP;
754}
755
56dc7cd0
AS		 756static inline int
757devlink_dpipe_table_resource_set(struct devlink *devlink,
758 const char *table_name, u64 resource_id,
759 u64 resource_units)
760{
761 return -EOPNOTSUPP;
762}
763
fc56be47
JP		 764static inline void
765devlink_resource_occ_get_register(struct devlink *devlink,
766 u64 resource_id,
767 devlink_resource_occ_get_t *occ_get,
768 void *occ_get_priv)
769{
770}
771
772static inline void
773devlink_resource_occ_get_unregister(struct devlink *devlink,
774 u64 resource_id)
775{
776}
777
eabaef18
MS		 778static inline int
779devlink_params_register(struct devlink *devlink,
780 const struct devlink_param *params,
781 size_t params_count)
782{
783 return 0;
784}
785
786static inline void
787devlink_params_unregister(struct devlink *devlink,
788 const struct devlink_param *params,
789 size_t params_count)
790{
791
792}
793
ec01aeb1
MS		 794static inline int
795devlink_param_driverinit_value_get(struct devlink *devlink, u32 param_id,
796 union devlink_param_value *init_val)
797{
798 return -EOPNOTSUPP;
799}
800
801static inline int
802devlink_param_driverinit_value_set(struct devlink *devlink, u32 param_id,
803 union devlink_param_value init_val)
804{
805 return -EOPNOTSUPP;
806}
807
ea601e17
MS		 808static inline void
809devlink_param_value_changed(struct devlink *devlink, u32 param_id)
810{
ea601e17
MS		 811}
812
bde74ad1
MS		 813static inline void
814devlink_param_value_str_fill(union devlink_param_value *dst_val,
815 const char *src)
816{
817}
818
b16ebe92
AV		 819static inline struct devlink_region *
820devlink_region_create(struct devlink *devlink,
821 const char *region_name,
822 u32 region_max_snapshots,
823 u64 region_size)
824{
825 return NULL;
826}
827
828static inline void
829devlink_region_destroy(struct devlink_region *region)
830{
831}
832
ccadfa44
AV		 833static inline u32
834devlink_region_shapshot_id_get(struct devlink *devlink)
835{
836 return 0;
837}
838
d7e52722
AV		 839static inline int
840devlink_region_snapshot_create(struct devlink_region *region, u64 data_len,
841 u8 *data, u32 snapshot_id,
842 devlink_snapshot_data_dest_t *data_destructor)
843{
844 return 0;
845}
846
bfcd3a46
JP		 847#endif
848
849#endif /* _NET_DEVLINK_H_ */
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