]> git.proxmox.com Git - mirror_ubuntu-jammy-kernel.git/blame - include/net/devlink.h
projects / mirror_ubuntu-jammy-kernel.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
devlink: Add port param set command
[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;
39e6160e 51 struct list_head param_list;
bfcd3a46
JP		 52 struct devlink *devlink;
53 unsigned index;
54 bool registered;
55 enum devlink_port_type type;
56 enum devlink_port_type desired_type;
57 void *type_dev;
b9ffcbaf 58 struct devlink_port_attrs attrs;
bfcd3a46
JP		 59};
60
bf797471
JP		 61struct devlink_sb_pool_info {
62 enum devlink_sb_pool_type pool_type;
63 u32 size;
64 enum devlink_sb_threshold_type threshold_type;
65};
66
1555d204
AS		 67/**
68 * struct devlink_dpipe_field - dpipe field object
69 * @name: field name
70 * @id: index inside the headers field array
71 * @bitwidth: bitwidth
72 * @mapping_type: mapping type
73 */
74struct devlink_dpipe_field {
75 const char *name;
76 unsigned int id;
77 unsigned int bitwidth;
78 enum devlink_dpipe_field_mapping_type mapping_type;
79};
80
81/**
82 * struct devlink_dpipe_header - dpipe header object
83 * @name: header name
84 * @id: index, global/local detrmined by global bit
85 * @fields: fields
86 * @fields_count: number of fields
87 * @global: indicates if header is shared like most protocol header
88 * or driver specific
89 */
90struct devlink_dpipe_header {
91 const char *name;
92 unsigned int id;
93 struct devlink_dpipe_field *fields;
94 unsigned int fields_count;
95 bool global;
96};
97
98/**
99 * struct devlink_dpipe_match - represents match operation
100 * @type: type of match
101 * @header_index: header index (packets can have several headers of same
102 * type like in case of tunnels)
103 * @header: header
104 * @fieled_id: field index
105 */
106struct devlink_dpipe_match {
107 enum devlink_dpipe_match_type type;
108 unsigned int header_index;
109 struct devlink_dpipe_header *header;
110 unsigned int field_id;
111};
112
113/**
114 * struct devlink_dpipe_action - represents action operation
115 * @type: type of action
116 * @header_index: header index (packets can have several headers of same
117 * type like in case of tunnels)
118 * @header: header
119 * @fieled_id: field index
120 */
121struct devlink_dpipe_action {
122 enum devlink_dpipe_action_type type;
123 unsigned int header_index;
124 struct devlink_dpipe_header *header;
125 unsigned int field_id;
126};
127
128/**
129 * struct devlink_dpipe_value - represents value of match/action
130 * @action: action
131 * @match: match
132 * @mapping_value: in case the field has some mapping this value
133 * specified the mapping value
134 * @mapping_valid: specify if mapping value is valid
135 * @value_size: value size
136 * @value: value
137 * @mask: bit mask
138 */
139struct devlink_dpipe_value {
140 union {
141 struct devlink_dpipe_action *action;
142 struct devlink_dpipe_match *match;
143 };
144 unsigned int mapping_value;
145 bool mapping_valid;
146 unsigned int value_size;
147 void *value;
148 void *mask;
149};
150
151/**
152 * struct devlink_dpipe_entry - table entry object
153 * @index: index of the entry in the table
154 * @match_values: match values
155 * @matche_values_count: count of matches tuples
156 * @action_values: actions values
157 * @action_values_count: count of actions values
158 * @counter: value of counter
159 * @counter_valid: Specify if value is valid from hardware
160 */
161struct devlink_dpipe_entry {
162 u64 index;
163 struct devlink_dpipe_value *match_values;
164 unsigned int match_values_count;
165 struct devlink_dpipe_value *action_values;
166 unsigned int action_values_count;
167 u64 counter;
168 bool counter_valid;
169};
170
171/**
172 * struct devlink_dpipe_dump_ctx - context provided to driver in order
173 * to dump
174 * @info: info
175 * @cmd: devlink command
176 * @skb: skb
177 * @nest: top attribute
178 * @hdr: hdr
179 */
180struct devlink_dpipe_dump_ctx {
181 struct genl_info *info;
182 enum devlink_command cmd;
183 struct sk_buff *skb;
184 struct nlattr *nest;
185 void *hdr;
186};
187
188struct devlink_dpipe_table_ops;
189
190/**
191 * struct devlink_dpipe_table - table object
192 * @priv: private
193 * @name: table name
1555d204
AS		 194 * @counters_enabled: indicates if counters are active
195 * @counter_control_extern: indicates if counter control is in dpipe or
196 * external tool
56dc7cd0
AS		 197 * @resource_valid: Indicate that the resource id is valid
198 * @resource_id: relative resource this table is related to
199 * @resource_units: number of resource's unit consumed per table's entry
1555d204
AS		 200 * @table_ops: table operations
201 * @rcu: rcu
202 */
203struct devlink_dpipe_table {
204 void *priv;
205 struct list_head list;
206 const char *name;
1555d204
AS		 207 bool counters_enabled;
208 bool counter_control_extern;
56dc7cd0
AS		 209 bool resource_valid;
210 u64 resource_id;
211 u64 resource_units;
1555d204
AS		 212 struct devlink_dpipe_table_ops *table_ops;
213 struct rcu_head rcu;
214};
215
216/**
217 * struct devlink_dpipe_table_ops - dpipe_table ops
218 * @actions_dump - dumps all tables actions
219 * @matches_dump - dumps all tables matches
220 * @entries_dump - dumps all active entries in the table
221 * @counters_set_update - when changing the counter status hardware sync
222 * maybe needed to allocate/free counter related
223 * resources
ffd3cdcc 224 * @size_get - get size
1555d204
AS		 225 */
226struct devlink_dpipe_table_ops {
227 int (*actions_dump)(void *priv, struct sk_buff *skb);
228 int (*matches_dump)(void *priv, struct sk_buff *skb);
229 int (*entries_dump)(void *priv, bool counters_enabled,
230 struct devlink_dpipe_dump_ctx *dump_ctx);
231 int (*counters_set_update)(void *priv, bool enable);
ffd3cdcc 232 u64 (*size_get)(void *priv);
1555d204
AS		 233};
234
235/**
236 * struct devlink_dpipe_headers - dpipe headers
237 * @headers - header array can be shared (global bit) or driver specific
238 * @headers_count - count of headers
239 */
240struct devlink_dpipe_headers {
241 struct devlink_dpipe_header **headers;
242 unsigned int headers_count;
243};
244
d9f9b9a4
AS		 245/**
246 * struct devlink_resource_size_params - resource's size parameters
247 * @size_min: minimum size which can be set
248 * @size_max: maximum size which can be set
249 * @size_granularity: size granularity
250 * @size_unit: resource's basic unit
251 */
252struct devlink_resource_size_params {
253 u64 size_min;
254 u64 size_max;
255 u64 size_granularity;
256 enum devlink_resource_unit unit;
257};
258
77d27096
JP		 259static inline void
260devlink_resource_size_params_init(struct devlink_resource_size_params *size_params,
261 u64 size_min, u64 size_max,
262 u64 size_granularity,
263 enum devlink_resource_unit unit)
264{
265 size_params->size_min = size_min;
266 size_params->size_max = size_max;
267 size_params->size_granularity = size_granularity;
268 size_params->unit = unit;
269}
270
fc56be47
JP		 271typedef u64 devlink_resource_occ_get_t(void *priv);
272
d9f9b9a4
AS		 273/**
274 * struct devlink_resource - devlink resource
275 * @name: name of the resource
276 * @id: id, per devlink instance
277 * @size: size of the resource
278 * @size_new: updated size of the resource, reload is needed
279 * @size_valid: valid in case the total size of the resource is valid
280 * including its children
281 * @parent: parent resource
282 * @size_params: size parameters
283 * @list: parent list
284 * @resource_list: list of child resources
d9f9b9a4
AS		 285 */
286struct devlink_resource {
287 const char *name;
288 u64 id;
289 u64 size;
290 u64 size_new;
291 bool size_valid;
292 struct devlink_resource *parent;
77d27096 293 struct devlink_resource_size_params size_params;
d9f9b9a4
AS		 294 struct list_head list;
295 struct list_head resource_list;
fc56be47
JP		 296 devlink_resource_occ_get_t *occ_get;
297 void *occ_get_priv;
d9f9b9a4
AS		 298};
299
300#define DEVLINK_RESOURCE_ID_PARENT_TOP 0
301
bde74ad1 302#define __DEVLINK_PARAM_MAX_STRING_VALUE 32
eabaef18
MS		 303enum devlink_param_type {
304 DEVLINK_PARAM_TYPE_U8,
305 DEVLINK_PARAM_TYPE_U16,
306 DEVLINK_PARAM_TYPE_U32,
307 DEVLINK_PARAM_TYPE_STRING,
308 DEVLINK_PARAM_TYPE_BOOL,
309};
310
311union devlink_param_value {
312 u8 vu8;
313 u16 vu16;
314 u32 vu32;
bde74ad1 315 char vstr[__DEVLINK_PARAM_MAX_STRING_VALUE];
eabaef18
MS		 316 bool vbool;
317};
318
319struct devlink_param_gset_ctx {
320 union devlink_param_value val;
321 enum devlink_param_cmode cmode;
322};
323
324/**
325 * struct devlink_param - devlink configuration parameter data
326 * @name: name of the parameter
327 * @generic: indicates if the parameter is generic or driver specific
328 * @type: parameter type
329 * @supported_cmodes: bitmap of supported configuration modes
330 * @get: get parameter value, used for runtime and permanent
331 * configuration modes
332 * @set: set parameter value, used for runtime and permanent
333 * configuration modes
e3b7ca18 334 * @validate: validate input value is applicable (within value range, etc.)
eabaef18
MS		 335 *
336 * This struct should be used by the driver to fill the data for
337 * a parameter it registers.
338 */
339struct devlink_param {
340 u32 id;
341 const char *name;
342 bool generic;
343 enum devlink_param_type type;
344 unsigned long supported_cmodes;
345 int (*get)(struct devlink *devlink, u32 id,
346 struct devlink_param_gset_ctx *ctx);
347 int (*set)(struct devlink *devlink, u32 id,
348 struct devlink_param_gset_ctx *ctx);
e3b7ca18
MS		 349 int (*validate)(struct devlink *devlink, u32 id,
350 union devlink_param_value val,
351 struct netlink_ext_ack *extack);
eabaef18
MS		 352};
353
354struct devlink_param_item {
355 struct list_head list;
356 const struct devlink_param *param;
357 union devlink_param_value driverinit_value;
358 bool driverinit_value_valid;
359};
360
361enum devlink_param_generic_id {
036467c3
MS		 362 DEVLINK_PARAM_GENERIC_ID_INT_ERR_RESET,
363 DEVLINK_PARAM_GENERIC_ID_MAX_MACS,
f567bcda 364 DEVLINK_PARAM_GENERIC_ID_ENABLE_SRIOV,
f6a69885 365 DEVLINK_PARAM_GENERIC_ID_REGION_SNAPSHOT,
e3b51061 366 DEVLINK_PARAM_GENERIC_ID_IGNORE_ARI,
f61cba42 367 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX,
16511789 368 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN,
846e980a 369 DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY,
eabaef18
MS		 370
371 /* add new param generic ids above here*/
372 __DEVLINK_PARAM_GENERIC_ID_MAX,
373 DEVLINK_PARAM_GENERIC_ID_MAX = __DEVLINK_PARAM_GENERIC_ID_MAX - 1,
374};
375
036467c3
MS		 376#define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_NAME "internal_error_reset"
377#define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL
378
379#define DEVLINK_PARAM_GENERIC_MAX_MACS_NAME "max_macs"
380#define DEVLINK_PARAM_GENERIC_MAX_MACS_TYPE DEVLINK_PARAM_TYPE_U32
381
f567bcda
VV		 382#define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_NAME "enable_sriov"
383#define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_TYPE DEVLINK_PARAM_TYPE_BOOL
384
f6a69885
AV		 385#define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_NAME "region_snapshot_enable"
386#define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_TYPE DEVLINK_PARAM_TYPE_BOOL
387
e3b51061
VV		 388#define DEVLINK_PARAM_GENERIC_IGNORE_ARI_NAME "ignore_ari"
389#define DEVLINK_PARAM_GENERIC_IGNORE_ARI_TYPE DEVLINK_PARAM_TYPE_BOOL
390
f61cba42
VV		 391#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_NAME "msix_vec_per_pf_max"
392#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_TYPE DEVLINK_PARAM_TYPE_U32
393
16511789
VV		 394#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_NAME "msix_vec_per_pf_min"
395#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_TYPE DEVLINK_PARAM_TYPE_U32
396
846e980a
ST		 397#define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_NAME "fw_load_policy"
398#define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_TYPE DEVLINK_PARAM_TYPE_U8
399
036467c3
MS		 400#define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate) \
401{ \
402 .id = DEVLINK_PARAM_GENERIC_ID_##_id, \
403 .name = DEVLINK_PARAM_GENERIC_##_id##_NAME, \
404 .type = DEVLINK_PARAM_GENERIC_##_id##_TYPE, \
405 .generic = true, \
406 .supported_cmodes = _cmodes, \
407 .get = _get, \
408 .set = _set, \
409 .validate = _validate, \
410}
411
412#define DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, _get, _set, _validate) \
413{ \
414 .id = _id, \
415 .name = _name, \
416 .type = _type, \
417 .supported_cmodes = _cmodes, \
418 .get = _get, \
419 .set = _set, \
420 .validate = _validate, \
421}
422
b16ebe92
AV		 423struct devlink_region;
424
d7e52722
AV		 425typedef void devlink_snapshot_data_dest_t(const void *data);
426
bfcd3a46 427struct devlink_ops {
ac0fc8a1 428 int (*reload)(struct devlink *devlink, struct netlink_ext_ack *extack);
bfcd3a46
JP		 429 int (*port_type_set)(struct devlink_port *devlink_port,
430 enum devlink_port_type port_type);
431 int (*port_split)(struct devlink *devlink, unsigned int port_index,
ac0fc8a1
DA		 432 unsigned int count, struct netlink_ext_ack *extack);
433 int (*port_unsplit)(struct devlink *devlink, unsigned int port_index,
434 struct netlink_ext_ack *extack);
bf797471
JP		 435 int (*sb_pool_get)(struct devlink *devlink, unsigned int sb_index,
436 u16 pool_index,
437 struct devlink_sb_pool_info *pool_info);
438 int (*sb_pool_set)(struct devlink *devlink, unsigned int sb_index,
439 u16 pool_index, u32 size,
440 enum devlink_sb_threshold_type threshold_type);
441 int (*sb_port_pool_get)(struct devlink_port *devlink_port,
442 unsigned int sb_index, u16 pool_index,
443 u32 *p_threshold);
444 int (*sb_port_pool_set)(struct devlink_port *devlink_port,
445 unsigned int sb_index, u16 pool_index,
446 u32 threshold);
447 int (*sb_tc_pool_bind_get)(struct devlink_port *devlink_port,
448 unsigned int sb_index,
449 u16 tc_index,
450 enum devlink_sb_pool_type pool_type,
451 u16 *p_pool_index, u32 *p_threshold);
452 int (*sb_tc_pool_bind_set)(struct devlink_port *devlink_port,
453 unsigned int sb_index,
454 u16 tc_index,
455 enum devlink_sb_pool_type pool_type,
456 u16 pool_index, u32 threshold);
df38dafd
JP		 457 int (*sb_occ_snapshot)(struct devlink *devlink,
458 unsigned int sb_index);
459 int (*sb_occ_max_clear)(struct devlink *devlink,
460 unsigned int sb_index);
461 int (*sb_occ_port_pool_get)(struct devlink_port *devlink_port,
462 unsigned int sb_index, u16 pool_index,
463 u32 *p_cur, u32 *p_max);
464 int (*sb_occ_tc_port_bind_get)(struct devlink_port *devlink_port,
465 unsigned int sb_index,
466 u16 tc_index,
467 enum devlink_sb_pool_type pool_type,
468 u32 *p_cur, u32 *p_max);
08f4b591
OG		 469
470 int (*eswitch_mode_get)(struct devlink *devlink, u16 *p_mode);
db7ff19e
EB		 471 int (*eswitch_mode_set)(struct devlink *devlink, u16 mode,
472 struct netlink_ext_ack *extack);
59bfde01 473 int (*eswitch_inline_mode_get)(struct devlink *devlink, u8 *p_inline_mode);
db7ff19e
EB		 474 int (*eswitch_inline_mode_set)(struct devlink *devlink, u8 inline_mode,
475 struct netlink_ext_ack *extack);
f43e9b06 476 int (*eswitch_encap_mode_get)(struct devlink *devlink, u8 *p_encap_mode);
db7ff19e
EB		 477 int (*eswitch_encap_mode_set)(struct devlink *devlink, u8 encap_mode,
478 struct netlink_ext_ack *extack);
bfcd3a46
JP		 479};
480
481static inline void *devlink_priv(struct devlink *devlink)
482{
483 BUG_ON(!devlink);
484 return &devlink->priv;
485}
486
487static inline struct devlink *priv_to_devlink(void *priv)
488{
489 BUG_ON(!priv);
490 return container_of(priv, struct devlink, priv);
491}
492
493struct ib_device;
494
495#if IS_ENABLED(CONFIG_NET_DEVLINK)
496
497struct devlink *devlink_alloc(const struct devlink_ops *ops, size_t priv_size);
498int devlink_register(struct devlink *devlink, struct device *dev);
499void devlink_unregister(struct devlink *devlink);
500void devlink_free(struct devlink *devlink);
501int devlink_port_register(struct devlink *devlink,
502 struct devlink_port *devlink_port,
503 unsigned int port_index);
504void devlink_port_unregister(struct devlink_port *devlink_port);
505void devlink_port_type_eth_set(struct devlink_port *devlink_port,
506 struct net_device *netdev);
507void devlink_port_type_ib_set(struct devlink_port *devlink_port,
508 struct ib_device *ibdev);
509void devlink_port_type_clear(struct devlink_port *devlink_port);
b9ffcbaf 510void devlink_port_attrs_set(struct devlink_port *devlink_port,
5ec1380a 511 enum devlink_port_flavour flavour,
b9ffcbaf
JP		 512 u32 port_number, bool split,
513 u32 split_subport_number);
08474c1a
JP		 514int devlink_port_get_phys_port_name(struct devlink_port *devlink_port,
515 char *name, size_t len);
bf797471
JP		 516int devlink_sb_register(struct devlink *devlink, unsigned int sb_index,
517 u32 size, u16 ingress_pools_count,
518 u16 egress_pools_count, u16 ingress_tc_count,
519 u16 egress_tc_count);
520void devlink_sb_unregister(struct devlink *devlink, unsigned int sb_index);
1555d204
AS		 521int devlink_dpipe_table_register(struct devlink *devlink,
522 const char *table_name,
523 struct devlink_dpipe_table_ops *table_ops,
ffd3cdcc 524 void *priv, bool counter_control_extern);
1555d204
AS		 525void devlink_dpipe_table_unregister(struct devlink *devlink,
526 const char *table_name);
527int devlink_dpipe_headers_register(struct devlink *devlink,
528 struct devlink_dpipe_headers *dpipe_headers);
529void devlink_dpipe_headers_unregister(struct devlink *devlink);
530bool devlink_dpipe_table_counter_enabled(struct devlink *devlink,
531 const char *table_name);
532int devlink_dpipe_entry_ctx_prepare(struct devlink_dpipe_dump_ctx *dump_ctx);
533int devlink_dpipe_entry_ctx_append(struct devlink_dpipe_dump_ctx *dump_ctx,
534 struct devlink_dpipe_entry *entry);
535int devlink_dpipe_entry_ctx_close(struct devlink_dpipe_dump_ctx *dump_ctx);
35807324 536void devlink_dpipe_entry_clear(struct devlink_dpipe_entry *entry);
1555d204
AS		 537int devlink_dpipe_action_put(struct sk_buff *skb,
538 struct devlink_dpipe_action *action);
539int devlink_dpipe_match_put(struct sk_buff *skb,
540 struct devlink_dpipe_match *match);
11770091 541extern struct devlink_dpipe_header devlink_dpipe_header_ethernet;
3fb886ec 542extern struct devlink_dpipe_header devlink_dpipe_header_ipv4;
1797f5b3 543extern struct devlink_dpipe_header devlink_dpipe_header_ipv6;
bfcd3a46 544
d9f9b9a4
AS		 545int devlink_resource_register(struct devlink *devlink,
546 const char *resource_name,
d9f9b9a4
AS		 547 u64 resource_size,
548 u64 resource_id,
549 u64 parent_resource_id,
fc56be47 550 const struct devlink_resource_size_params *size_params);
d9f9b9a4
AS		 551void devlink_resources_unregister(struct devlink *devlink,
552 struct devlink_resource *resource);
553int devlink_resource_size_get(struct devlink *devlink,
554 u64 resource_id,
555 u64 *p_resource_size);
56dc7cd0
AS		 556int devlink_dpipe_table_resource_set(struct devlink *devlink,
557 const char *table_name, u64 resource_id,
558 u64 resource_units);
fc56be47
JP		 559void devlink_resource_occ_get_register(struct devlink *devlink,
560 u64 resource_id,
561 devlink_resource_occ_get_t *occ_get,
562 void *occ_get_priv);
563void devlink_resource_occ_get_unregister(struct devlink *devlink,
564 u64 resource_id);
eabaef18
MS		 565int devlink_params_register(struct devlink *devlink,
566 const struct devlink_param *params,
567 size_t params_count);
568void devlink_params_unregister(struct devlink *devlink,
569 const struct devlink_param *params,
570 size_t params_count);
39e6160e
VV		 571int devlink_port_params_register(struct devlink_port *devlink_port,
572 const struct devlink_param *params,
573 size_t params_count);
574void devlink_port_params_unregister(struct devlink_port *devlink_port,
575 const struct devlink_param *params,
576 size_t params_count);
ec01aeb1
MS		 577int devlink_param_driverinit_value_get(struct devlink *devlink, u32 param_id,
578 union devlink_param_value *init_val);
579int devlink_param_driverinit_value_set(struct devlink *devlink, u32 param_id,
580 union devlink_param_value init_val);
ea601e17 581void devlink_param_value_changed(struct devlink *devlink, u32 param_id);
bde74ad1
MS		 582void devlink_param_value_str_fill(union devlink_param_value *dst_val,
583 const char *src);
b16ebe92
AV		 584struct devlink_region *devlink_region_create(struct devlink *devlink,
585 const char *region_name,
586 u32 region_max_snapshots,
587 u64 region_size);
588void devlink_region_destroy(struct devlink_region *region);
ccadfa44 589u32 devlink_region_shapshot_id_get(struct devlink *devlink);
d7e52722
AV		 590int devlink_region_snapshot_create(struct devlink_region *region, u64 data_len,
591 u8 *data, u32 snapshot_id,
592 devlink_snapshot_data_dest_t *data_destructor);
d9f9b9a4 593
bfcd3a46
JP		 594#else
595
596static inline struct devlink *devlink_alloc(const struct devlink_ops *ops,
597 size_t priv_size)
598{
599 return kzalloc(sizeof(struct devlink) + priv_size, GFP_KERNEL);
600}
601
602static inline int devlink_register(struct devlink *devlink, struct device *dev)
603{
604 return 0;
605}
606
607static inline void devlink_unregister(struct devlink *devlink)
608{
609}
610
611static inline void devlink_free(struct devlink *devlink)
612{
613 kfree(devlink);
614}
615
616static inline int devlink_port_register(struct devlink *devlink,
617 struct devlink_port *devlink_port,
618 unsigned int port_index)
619{
620 return 0;
621}
622
623static inline void devlink_port_unregister(struct devlink_port *devlink_port)
624{
625}
626
627static inline void devlink_port_type_eth_set(struct devlink_port *devlink_port,
628 struct net_device *netdev)
629{
630}
631
632static inline void devlink_port_type_ib_set(struct devlink_port *devlink_port,
633 struct ib_device *ibdev)
634{
635}
636
637static inline void devlink_port_type_clear(struct devlink_port *devlink_port)
638{
639}
640
b9ffcbaf 641static inline void devlink_port_attrs_set(struct devlink_port *devlink_port,
5ec1380a 642 enum devlink_port_flavour flavour,
b9ffcbaf
JP		 643 u32 port_number, bool split,
644 u32 split_subport_number)
bfcd3a46
JP		 645{
646}
647
08474c1a
JP		 648static inline int
649devlink_port_get_phys_port_name(struct devlink_port *devlink_port,
650 char *name, size_t len)
651{
652 return -EOPNOTSUPP;
653}
654
bf797471
JP		 655static inline int devlink_sb_register(struct devlink *devlink,
656 unsigned int sb_index, u32 size,
657 u16 ingress_pools_count,
de33efd0
JP		 658 u16 egress_pools_count,
659 u16 ingress_tc_count,
660 u16 egress_tc_count)
bf797471
JP		 661{
662 return 0;
663}
664
665static inline void devlink_sb_unregister(struct devlink *devlink,
666 unsigned int sb_index)
667{
668}
669
1555d204
AS		 670static inline int
671devlink_dpipe_table_register(struct devlink *devlink,
672 const char *table_name,
673 struct devlink_dpipe_table_ops *table_ops,
790c6056 674 void *priv, bool counter_control_extern)
1555d204
AS		 675{
676 return 0;
677}
678
679static inline void devlink_dpipe_table_unregister(struct devlink *devlink,
680 const char *table_name)
681{
682}
683
684static inline int devlink_dpipe_headers_register(struct devlink *devlink,
685 struct devlink_dpipe_headers *
686 dpipe_headers)
687{
688 return 0;
689}
690
691static inline void devlink_dpipe_headers_unregister(struct devlink *devlink)
692{
693}
694
695static inline bool devlink_dpipe_table_counter_enabled(struct devlink *devlink,
696 const char *table_name)
697{
698 return false;
699}
700
701static inline int
702devlink_dpipe_entry_ctx_prepare(struct devlink_dpipe_dump_ctx *dump_ctx)
703{
704 return 0;
705}
706
707static inline int
708devlink_dpipe_entry_ctx_append(struct devlink_dpipe_dump_ctx *dump_ctx,
709 struct devlink_dpipe_entry *entry)
710{
711 return 0;
712}
713
714static inline int
715devlink_dpipe_entry_ctx_close(struct devlink_dpipe_dump_ctx *dump_ctx)
716{
717 return 0;
718}
719
35807324
AS		 720static inline void
721devlink_dpipe_entry_clear(struct devlink_dpipe_entry *entry)
722{
723}
724
1555d204
AS		 725static inline int
726devlink_dpipe_action_put(struct sk_buff *skb,
727 struct devlink_dpipe_action *action)
728{
729 return 0;
730}
731
732static inline int
733devlink_dpipe_match_put(struct sk_buff *skb,
734 struct devlink_dpipe_match *match)
735{
736 return 0;
737}
738
d9f9b9a4
AS		 739static inline int
740devlink_resource_register(struct devlink *devlink,
741 const char *resource_name,
d9f9b9a4
AS		 742 u64 resource_size,
743 u64 resource_id,
744 u64 parent_resource_id,
fc56be47 745 const struct devlink_resource_size_params *size_params)
d9f9b9a4
AS		 746{
747 return 0;
748}
749
750static inline void
751devlink_resources_unregister(struct devlink *devlink,
752 struct devlink_resource *resource)
753{
754}
755
756static inline int
757devlink_resource_size_get(struct devlink *devlink, u64 resource_id,
758 u64 *p_resource_size)
759{
760 return -EOPNOTSUPP;
761}
762
56dc7cd0
AS		 763static inline int
764devlink_dpipe_table_resource_set(struct devlink *devlink,
765 const char *table_name, u64 resource_id,
766 u64 resource_units)
767{
768 return -EOPNOTSUPP;
769}
770
fc56be47
JP		 771static inline void
772devlink_resource_occ_get_register(struct devlink *devlink,
773 u64 resource_id,
774 devlink_resource_occ_get_t *occ_get,
775 void *occ_get_priv)
776{
777}
778
779static inline void
780devlink_resource_occ_get_unregister(struct devlink *devlink,
781 u64 resource_id)
782{
783}
784
eabaef18
MS		 785static inline int
786devlink_params_register(struct devlink *devlink,
787 const struct devlink_param *params,
788 size_t params_count)
789{
790 return 0;
791}
792
793static inline void
794devlink_params_unregister(struct devlink *devlink,
795 const struct devlink_param *params,
796 size_t params_count)
797{
798
799}
800
39e6160e
VV		 801static inline int
802devlink_port_params_register(struct devlink_port *devlink_port,
803 const struct devlink_param *params,
804 size_t params_count)
805{
806 return 0;
807}
808
809static inline void
810devlink_port_params_unregister(struct devlink_port *devlink_port,
811 const struct devlink_param *params,
812 size_t params_count)
813{
814}
815
ec01aeb1
MS		 816static inline int
817devlink_param_driverinit_value_get(struct devlink *devlink, u32 param_id,
818 union devlink_param_value *init_val)
819{
820 return -EOPNOTSUPP;
821}
822
823static inline int
824devlink_param_driverinit_value_set(struct devlink *devlink, u32 param_id,
825 union devlink_param_value init_val)
826{
827 return -EOPNOTSUPP;
828}
829
ea601e17
MS		 830static inline void
831devlink_param_value_changed(struct devlink *devlink, u32 param_id)
832{
ea601e17
MS		 833}
834
bde74ad1
MS		 835static inline void
836devlink_param_value_str_fill(union devlink_param_value *dst_val,
837 const char *src)
838{
839}
840
b16ebe92
AV		 841static inline struct devlink_region *
842devlink_region_create(struct devlink *devlink,
843 const char *region_name,
844 u32 region_max_snapshots,
845 u64 region_size)
846{
847 return NULL;
848}
849
850static inline void
851devlink_region_destroy(struct devlink_region *region)
852{
853}
854
ccadfa44
AV		 855static inline u32
856devlink_region_shapshot_id_get(struct devlink *devlink)
857{
858 return 0;
859}
860
d7e52722
AV		 861static inline int
862devlink_region_snapshot_create(struct devlink_region *region, u64 data_len,
863 u8 *data, u32 snapshot_id,
864 devlink_snapshot_data_dest_t *data_destructor)
865{
866 return 0;
867}
868
bfcd3a46
JP		 869#endif
870
871#endif /* _NET_DEVLINK_H_ */
Ubuntu Jammy Linux kernel mirror