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Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next
[linux-block.git] / include / net / devlink.h
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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>
136bf27f 16#include <linux/workqueue.h>
0f420b6c 17#include <linux/refcount.h>
bfcd3a46 18#include <net/net_namespace.h>
5a2e106c 19#include <net/flow_offload.h>
bfcd3a46 20#include <uapi/linux/devlink.h>
12102436 21#include <linux/xarray.h>
bfcd3a46
JP		 22
23struct devlink_ops;
24
25struct devlink {
26 struct list_head list;
27 struct list_head port_list;
bf797471 28 struct list_head sb_list;
1555d204 29 struct list_head dpipe_table_list;
d9f9b9a4 30 struct list_head resource_list;
eabaef18 31 struct list_head param_list;
b16ebe92 32 struct list_head region_list;
a0bdcc59 33 struct list_head reporter_list;
b587bdaf 34 struct mutex reporters_lock; /* protects reporter_list */
1555d204 35 struct devlink_dpipe_headers *dpipe_headers;
0f420b6c
IS		 36 struct list_head trap_list;
37 struct list_head trap_group_list;
1e8c6619 38 struct list_head trap_policer_list;
bfcd3a46 39 const struct devlink_ops *ops;
12102436 40 struct xarray snapshot_ids;
bfcd3a46
JP		 41 struct device *dev;
42 possible_net_t _net;
2406e7e5 43 struct mutex lock;
a0c76345
JP		 44 u8 reload_failed:1,
45 reload_enabled:1,
46 registered:1;
bfcd3a46
JP		 47 char priv[0] __aligned(NETDEV_ALIGN);
48};
49
378ef01b
PP		 50struct devlink_port_phys_attrs {
51 u32 port_number; /* Same value as "split group".
52 * A physical port which is visible to the user
53 * for a given port flavour.
54 */
55 u32 split_subport_number;
56};
57
98fd2d65
PP		 58struct devlink_port_pci_pf_attrs {
59 u16 pf; /* Associated PCI PF for this port. */
60};
61
e41b6bf3
PP		 62struct devlink_port_pci_vf_attrs {
63 u16 pf; /* Associated PCI PF for this port. */
64 u16 vf; /* Associated PCI VF for of the PCI PF for this port. */
65};
66
b9ffcbaf 67struct devlink_port_attrs {
407dd706 68 u8 set:1,
bec5267c
JP		 69 split:1,
70 switch_port:1;
5ec1380a 71 enum devlink_port_flavour flavour;
bec5267c 72 struct netdev_phys_item_id switch_id;
378ef01b
PP		 73 union {
74 struct devlink_port_phys_attrs phys;
98fd2d65 75 struct devlink_port_pci_pf_attrs pci_pf;
e41b6bf3 76 struct devlink_port_pci_vf_attrs pci_vf;
378ef01b 77 };
b9ffcbaf
JP		 78};
79
bfcd3a46
JP		 80struct devlink_port {
81 struct list_head list;
39e6160e 82 struct list_head param_list;
bfcd3a46 83 struct devlink *devlink;
c7282b50 84 unsigned int index;
bfcd3a46 85 bool registered;
b8f97554
JP		 86 spinlock_t type_lock; /* Protects type and type_dev
87 * pointer consistency.
88 */
bfcd3a46
JP		 89 enum devlink_port_type type;
90 enum devlink_port_type desired_type;
91 void *type_dev;
b9ffcbaf 92 struct devlink_port_attrs attrs;
136bf27f 93 struct delayed_work type_warn_dw;
bfcd3a46
JP		 94};
95
bf797471
JP		 96struct devlink_sb_pool_info {
97 enum devlink_sb_pool_type pool_type;
98 u32 size;
99 enum devlink_sb_threshold_type threshold_type;
bff5731d 100 u32 cell_size;
bf797471
JP		 101};
102
1555d204
AS		 103/**
104 * struct devlink_dpipe_field - dpipe field object
105 * @name: field name
106 * @id: index inside the headers field array
107 * @bitwidth: bitwidth
108 * @mapping_type: mapping type
109 */
110struct devlink_dpipe_field {
111 const char *name;
112 unsigned int id;
113 unsigned int bitwidth;
114 enum devlink_dpipe_field_mapping_type mapping_type;
115};
116
117/**
118 * struct devlink_dpipe_header - dpipe header object
119 * @name: header name
120 * @id: index, global/local detrmined by global bit
121 * @fields: fields
122 * @fields_count: number of fields
123 * @global: indicates if header is shared like most protocol header
124 * or driver specific
125 */
126struct devlink_dpipe_header {
127 const char *name;
128 unsigned int id;
129 struct devlink_dpipe_field *fields;
130 unsigned int fields_count;
131 bool global;
132};
133
134/**
135 * struct devlink_dpipe_match - represents match operation
136 * @type: type of match
137 * @header_index: header index (packets can have several headers of same
138 * type like in case of tunnels)
139 * @header: header
140 * @fieled_id: field index
141 */
142struct devlink_dpipe_match {
143 enum devlink_dpipe_match_type type;
144 unsigned int header_index;
145 struct devlink_dpipe_header *header;
146 unsigned int field_id;
147};
148
149/**
150 * struct devlink_dpipe_action - represents action operation
151 * @type: type of action
152 * @header_index: header index (packets can have several headers of same
153 * type like in case of tunnels)
154 * @header: header
155 * @fieled_id: field index
156 */
157struct devlink_dpipe_action {
158 enum devlink_dpipe_action_type type;
159 unsigned int header_index;
160 struct devlink_dpipe_header *header;
161 unsigned int field_id;
162};
163
164/**
165 * struct devlink_dpipe_value - represents value of match/action
166 * @action: action
167 * @match: match
168 * @mapping_value: in case the field has some mapping this value
169 * specified the mapping value
170 * @mapping_valid: specify if mapping value is valid
171 * @value_size: value size
172 * @value: value
173 * @mask: bit mask
174 */
175struct devlink_dpipe_value {
176 union {
177 struct devlink_dpipe_action *action;
178 struct devlink_dpipe_match *match;
179 };
180 unsigned int mapping_value;
181 bool mapping_valid;
182 unsigned int value_size;
183 void *value;
184 void *mask;
185};
186
187/**
188 * struct devlink_dpipe_entry - table entry object
189 * @index: index of the entry in the table
190 * @match_values: match values
191 * @matche_values_count: count of matches tuples
192 * @action_values: actions values
193 * @action_values_count: count of actions values
194 * @counter: value of counter
195 * @counter_valid: Specify if value is valid from hardware
196 */
197struct devlink_dpipe_entry {
198 u64 index;
199 struct devlink_dpipe_value *match_values;
200 unsigned int match_values_count;
201 struct devlink_dpipe_value *action_values;
202 unsigned int action_values_count;
203 u64 counter;
204 bool counter_valid;
205};
206
207/**
208 * struct devlink_dpipe_dump_ctx - context provided to driver in order
209 * to dump
210 * @info: info
211 * @cmd: devlink command
212 * @skb: skb
213 * @nest: top attribute
214 * @hdr: hdr
215 */
216struct devlink_dpipe_dump_ctx {
217 struct genl_info *info;
218 enum devlink_command cmd;
219 struct sk_buff *skb;
220 struct nlattr *nest;
221 void *hdr;
222};
223
224struct devlink_dpipe_table_ops;
225
226/**
227 * struct devlink_dpipe_table - table object
228 * @priv: private
229 * @name: table name
1555d204
AS		 230 * @counters_enabled: indicates if counters are active
231 * @counter_control_extern: indicates if counter control is in dpipe or
232 * external tool
56dc7cd0
AS		 233 * @resource_valid: Indicate that the resource id is valid
234 * @resource_id: relative resource this table is related to
235 * @resource_units: number of resource's unit consumed per table's entry
1555d204
AS		 236 * @table_ops: table operations
237 * @rcu: rcu
238 */
239struct devlink_dpipe_table {
240 void *priv;
241 struct list_head list;
242 const char *name;
1555d204
AS		 243 bool counters_enabled;
244 bool counter_control_extern;
56dc7cd0
AS		 245 bool resource_valid;
246 u64 resource_id;
247 u64 resource_units;
1555d204
AS		 248 struct devlink_dpipe_table_ops *table_ops;
249 struct rcu_head rcu;
250};
251
252/**
253 * struct devlink_dpipe_table_ops - dpipe_table ops
254 * @actions_dump - dumps all tables actions
255 * @matches_dump - dumps all tables matches
256 * @entries_dump - dumps all active entries in the table
257 * @counters_set_update - when changing the counter status hardware sync
258 * maybe needed to allocate/free counter related
259 * resources
ffd3cdcc 260 * @size_get - get size
1555d204
AS		 261 */
262struct devlink_dpipe_table_ops {
263 int (*actions_dump)(void *priv, struct sk_buff *skb);
264 int (*matches_dump)(void *priv, struct sk_buff *skb);
265 int (*entries_dump)(void *priv, bool counters_enabled,
266 struct devlink_dpipe_dump_ctx *dump_ctx);
267 int (*counters_set_update)(void *priv, bool enable);
ffd3cdcc 268 u64 (*size_get)(void *priv);
1555d204
AS		 269};
270
271/**
272 * struct devlink_dpipe_headers - dpipe headers
273 * @headers - header array can be shared (global bit) or driver specific
274 * @headers_count - count of headers
275 */
276struct devlink_dpipe_headers {
277 struct devlink_dpipe_header **headers;
278 unsigned int headers_count;
279};
280
d9f9b9a4
AS		 281/**
282 * struct devlink_resource_size_params - resource's size parameters
283 * @size_min: minimum size which can be set
284 * @size_max: maximum size which can be set
285 * @size_granularity: size granularity
286 * @size_unit: resource's basic unit
287 */
288struct devlink_resource_size_params {
289 u64 size_min;
290 u64 size_max;
291 u64 size_granularity;
292 enum devlink_resource_unit unit;
293};
294
77d27096
JP		 295static inline void
296devlink_resource_size_params_init(struct devlink_resource_size_params *size_params,
297 u64 size_min, u64 size_max,
298 u64 size_granularity,
299 enum devlink_resource_unit unit)
300{
301 size_params->size_min = size_min;
302 size_params->size_max = size_max;
303 size_params->size_granularity = size_granularity;
304 size_params->unit = unit;
305}
306
fc56be47
JP		 307typedef u64 devlink_resource_occ_get_t(void *priv);
308
d9f9b9a4
AS		 309/**
310 * struct devlink_resource - devlink resource
311 * @name: name of the resource
312 * @id: id, per devlink instance
313 * @size: size of the resource
314 * @size_new: updated size of the resource, reload is needed
315 * @size_valid: valid in case the total size of the resource is valid
316 * including its children
317 * @parent: parent resource
318 * @size_params: size parameters
319 * @list: parent list
320 * @resource_list: list of child resources
d9f9b9a4
AS		 321 */
322struct devlink_resource {
323 const char *name;
324 u64 id;
325 u64 size;
326 u64 size_new;
327 bool size_valid;
328 struct devlink_resource *parent;
77d27096 329 struct devlink_resource_size_params size_params;
d9f9b9a4
AS		 330 struct list_head list;
331 struct list_head resource_list;
fc56be47
JP		 332 devlink_resource_occ_get_t *occ_get;
333 void *occ_get_priv;
d9f9b9a4
AS		 334};
335
336#define DEVLINK_RESOURCE_ID_PARENT_TOP 0
337
bde74ad1 338#define __DEVLINK_PARAM_MAX_STRING_VALUE 32
eabaef18
MS		 339enum devlink_param_type {
340 DEVLINK_PARAM_TYPE_U8,
341 DEVLINK_PARAM_TYPE_U16,
342 DEVLINK_PARAM_TYPE_U32,
343 DEVLINK_PARAM_TYPE_STRING,
344 DEVLINK_PARAM_TYPE_BOOL,
345};
346
347union devlink_param_value {
348 u8 vu8;
349 u16 vu16;
350 u32 vu32;
bde74ad1 351 char vstr[__DEVLINK_PARAM_MAX_STRING_VALUE];
eabaef18
MS		 352 bool vbool;
353};
354
355struct devlink_param_gset_ctx {
356 union devlink_param_value val;
357 enum devlink_param_cmode cmode;
358};
359
360/**
361 * struct devlink_param - devlink configuration parameter data
362 * @name: name of the parameter
363 * @generic: indicates if the parameter is generic or driver specific
364 * @type: parameter type
365 * @supported_cmodes: bitmap of supported configuration modes
366 * @get: get parameter value, used for runtime and permanent
367 * configuration modes
368 * @set: set parameter value, used for runtime and permanent
369 * configuration modes
e3b7ca18 370 * @validate: validate input value is applicable (within value range, etc.)
eabaef18
MS		 371 *
372 * This struct should be used by the driver to fill the data for
373 * a parameter it registers.
374 */
375struct devlink_param {
376 u32 id;
377 const char *name;
378 bool generic;
379 enum devlink_param_type type;
380 unsigned long supported_cmodes;
381 int (*get)(struct devlink *devlink, u32 id,
382 struct devlink_param_gset_ctx *ctx);
383 int (*set)(struct devlink *devlink, u32 id,
384 struct devlink_param_gset_ctx *ctx);
e3b7ca18
MS		 385 int (*validate)(struct devlink *devlink, u32 id,
386 union devlink_param_value val,
387 struct netlink_ext_ack *extack);
eabaef18
MS		 388};
389
390struct devlink_param_item {
391 struct list_head list;
392 const struct devlink_param *param;
393 union devlink_param_value driverinit_value;
394 bool driverinit_value_valid;
7c62cfb8 395 bool published;
eabaef18
MS		 396};
397
398enum devlink_param_generic_id {
036467c3
MS		 399 DEVLINK_PARAM_GENERIC_ID_INT_ERR_RESET,
400 DEVLINK_PARAM_GENERIC_ID_MAX_MACS,
f567bcda 401 DEVLINK_PARAM_GENERIC_ID_ENABLE_SRIOV,
f6a69885 402 DEVLINK_PARAM_GENERIC_ID_REGION_SNAPSHOT,
e3b51061 403 DEVLINK_PARAM_GENERIC_ID_IGNORE_ARI,
f61cba42 404 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX,
16511789 405 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN,
846e980a 406 DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY,
5bbd21df 407 DEVLINK_PARAM_GENERIC_ID_RESET_DEV_ON_DRV_PROBE,
6c7295e1 408 DEVLINK_PARAM_GENERIC_ID_ENABLE_ROCE,
eabaef18
MS		 409
410 /* add new param generic ids above here*/
411 __DEVLINK_PARAM_GENERIC_ID_MAX,
412 DEVLINK_PARAM_GENERIC_ID_MAX = __DEVLINK_PARAM_GENERIC_ID_MAX - 1,
413};
414
036467c3
MS		 415#define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_NAME "internal_error_reset"
416#define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL
417
418#define DEVLINK_PARAM_GENERIC_MAX_MACS_NAME "max_macs"
419#define DEVLINK_PARAM_GENERIC_MAX_MACS_TYPE DEVLINK_PARAM_TYPE_U32
420
f567bcda
VV		 421#define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_NAME "enable_sriov"
422#define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_TYPE DEVLINK_PARAM_TYPE_BOOL
423
f6a69885
AV		 424#define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_NAME "region_snapshot_enable"
425#define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_TYPE DEVLINK_PARAM_TYPE_BOOL
426
e3b51061
VV		 427#define DEVLINK_PARAM_GENERIC_IGNORE_ARI_NAME "ignore_ari"
428#define DEVLINK_PARAM_GENERIC_IGNORE_ARI_TYPE DEVLINK_PARAM_TYPE_BOOL
429
f61cba42
VV		 430#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_NAME "msix_vec_per_pf_max"
431#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_TYPE DEVLINK_PARAM_TYPE_U32
432
16511789
VV		 433#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_NAME "msix_vec_per_pf_min"
434#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_TYPE DEVLINK_PARAM_TYPE_U32
435
846e980a
ST		 436#define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_NAME "fw_load_policy"
437#define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_TYPE DEVLINK_PARAM_TYPE_U8
438
5bbd21df
DM		 439#define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_NAME \
440 "reset_dev_on_drv_probe"
441#define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_TYPE DEVLINK_PARAM_TYPE_U8
442
6c7295e1
MG		 443#define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_NAME "enable_roce"
444#define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_TYPE DEVLINK_PARAM_TYPE_BOOL
445
036467c3
MS		 446#define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate) \
447{ \
448 .id = DEVLINK_PARAM_GENERIC_ID_##_id, \
449 .name = DEVLINK_PARAM_GENERIC_##_id##_NAME, \
450 .type = DEVLINK_PARAM_GENERIC_##_id##_TYPE, \
451 .generic = true, \
452 .supported_cmodes = _cmodes, \
453 .get = _get, \
454 .set = _set, \
455 .validate = _validate, \
456}
457
458#define DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, _get, _set, _validate) \
459{ \
460 .id = _id, \
461 .name = _name, \
462 .type = _type, \
463 .supported_cmodes = _cmodes, \
464 .get = _get, \
465 .set = _set, \
466 .validate = _validate, \
467}
468
785bd550
JK		 469/* Part number, identifier of board design */
470#define DEVLINK_INFO_VERSION_GENERIC_BOARD_ID "board.id"
471/* Revision of board design */
472#define DEVLINK_INFO_VERSION_GENERIC_BOARD_REV "board.rev"
14fd1901
JK		 473/* Maker of the board */
474#define DEVLINK_INFO_VERSION_GENERIC_BOARD_MANUFACTURE "board.manufacture"
785bd550 475
7d5aa9a5
SN		 476/* Part number, identifier of asic design */
477#define DEVLINK_INFO_VERSION_GENERIC_ASIC_ID "asic.id"
478/* Revision of asic design */
479#define DEVLINK_INFO_VERSION_GENERIC_ASIC_REV "asic.rev"
480
481/* Overall FW version */
482#define DEVLINK_INFO_VERSION_GENERIC_FW "fw"
785bd550
JK		 483/* Control processor FW version */
484#define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT "fw.mgmt"
2d9eade8
VV		 485/* FW interface specification version */
486#define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT_API "fw.mgmt.api"
785bd550
JK		 487/* Data path microcode controlling high-speed packet processing */
488#define DEVLINK_INFO_VERSION_GENERIC_FW_APP "fw.app"
489/* UNDI software version */
490#define DEVLINK_INFO_VERSION_GENERIC_FW_UNDI "fw.undi"
491/* NCSI support/handler version */
492#define DEVLINK_INFO_VERSION_GENERIC_FW_NCSI "fw.ncsi"
468672b2
JK		 493/* FW parameter set id */
494#define DEVLINK_INFO_VERSION_GENERIC_FW_PSID "fw.psid"
41c0d917
VV		 495/* RoCE FW version */
496#define DEVLINK_INFO_VERSION_GENERIC_FW_ROCE "fw.roce"
c90977a3
JK		 497/* Firmware bundle identifier */
498#define DEVLINK_INFO_VERSION_GENERIC_FW_BUNDLE_ID "fw.bundle_id"
785bd550 499
b16ebe92 500struct devlink_region;
f9cf2288 501struct devlink_info_req;
b16ebe92 502
e8937681
JK		 503/**
504 * struct devlink_region_ops - Region operations
505 * @name: region name
a0a09f6b 506 * @destructor: callback used to free snapshot memory when deleting
b9a17abf
JK		 507 * @snapshot: callback to request an immediate snapshot. On success,
508 * the data variable must be updated to point to the snapshot data.
509 * The function will be called while the devlink instance lock is
510 * held.
e8937681
JK		 511 */
512struct devlink_region_ops {
513 const char *name;
a0a09f6b 514 void (*destructor)(const void *data);
b9a17abf
JK		 515 int (*snapshot)(struct devlink *devlink, struct netlink_ext_ack *extack,
516 u8 **data);
e8937681
JK		 517};
518
1db64e87 519struct devlink_fmsg;
a0bdcc59
EBE		 520struct devlink_health_reporter;
521
3167b27a
EBE		 522enum devlink_health_reporter_state {
523 DEVLINK_HEALTH_REPORTER_STATE_HEALTHY,
524 DEVLINK_HEALTH_REPORTER_STATE_ERROR,
525};
526
a0bdcc59
EBE		 527/**
528 * struct devlink_health_reporter_ops - Reporter operations
529 * @name: reporter name
530 * @recover: callback to recover from reported error
531 * if priv_ctx is NULL, run a full recover
532 * @dump: callback to dump an object
533 * if priv_ctx is NULL, run a full dump
534 * @diagnose: callback to diagnose the current status
535 */
536
537struct devlink_health_reporter_ops {
538 char *name;
539 int (*recover)(struct devlink_health_reporter *reporter,
e7a98105 540 void *priv_ctx, struct netlink_ext_ack *extack);
a0bdcc59 541 int (*dump)(struct devlink_health_reporter *reporter,
e7a98105
JP		 542 struct devlink_fmsg *fmsg, void *priv_ctx,
543 struct netlink_ext_ack *extack);
a0bdcc59 544 int (*diagnose)(struct devlink_health_reporter *reporter,
e7a98105
JP		 545 struct devlink_fmsg *fmsg,
546 struct netlink_ext_ack *extack);
a0bdcc59 547};
1db64e87 548
1e8c6619
IS		 549/**
550 * struct devlink_trap_policer - Immutable packet trap policer attributes.
551 * @id: Policer identifier.
552 * @init_rate: Initial rate in packets / sec.
553 * @init_burst: Initial burst size in packets.
554 * @max_rate: Maximum rate.
555 * @min_rate: Minimum rate.
556 * @max_burst: Maximum burst size.
557 * @min_burst: Minimum burst size.
558 *
559 * Describes immutable attributes of packet trap policers that drivers register
560 * with devlink.
561 */
562struct devlink_trap_policer {
563 u32 id;
564 u64 init_rate;
565 u64 init_burst;
566 u64 max_rate;
567 u64 min_rate;
568 u64 max_burst;
569 u64 min_burst;
570};
571
0f420b6c
IS		 572/**
573 * struct devlink_trap_group - Immutable packet trap group attributes.
574 * @name: Trap group name.
575 * @id: Trap group identifier.
576 * @generic: Whether the trap group is generic or not.
f9f54392 577 * @init_policer_id: Initial policer identifier.
0f420b6c
IS		 578 *
579 * Describes immutable attributes of packet trap groups that drivers register
580 * with devlink.
581 */
582struct devlink_trap_group {
583 const char *name;
584 u16 id;
585 bool generic;
f9f54392 586 u32 init_policer_id;
0f420b6c
IS		 587};
588
589#define DEVLINK_TRAP_METADATA_TYPE_F_IN_PORT BIT(0)
85b0589e 590#define DEVLINK_TRAP_METADATA_TYPE_F_FA_COOKIE BIT(1)
0f420b6c
IS		 591
592/**
593 * struct devlink_trap - Immutable packet trap attributes.
594 * @type: Trap type.
595 * @init_action: Initial trap action.
596 * @generic: Whether the trap is generic or not.
597 * @id: Trap identifier.
598 * @name: Trap name.
107f1678 599 * @init_group_id: Initial group identifier.
0f420b6c
IS		 600 * @metadata_cap: Metadata types that can be provided by the trap.
601 *
602 * Describes immutable attributes of packet traps that drivers register with
603 * devlink.
604 */
605struct devlink_trap {
606 enum devlink_trap_type type;
607 enum devlink_trap_action init_action;
608 bool generic;
609 u16 id;
610 const char *name;
107f1678 611 u16 init_group_id;
0f420b6c
IS		 612 u32 metadata_cap;
613};
614
f3047ca0 615/* All traps must be documented in
f4bdd710 616 * Documentation/networking/devlink/devlink-trap.rst
f3047ca0 617 */
0f420b6c 618enum devlink_trap_generic_id {
391203ab
IS		 619 DEVLINK_TRAP_GENERIC_ID_SMAC_MC,
620 DEVLINK_TRAP_GENERIC_ID_VLAN_TAG_MISMATCH,
621 DEVLINK_TRAP_GENERIC_ID_INGRESS_VLAN_FILTER,
622 DEVLINK_TRAP_GENERIC_ID_INGRESS_STP_FILTER,
623 DEVLINK_TRAP_GENERIC_ID_EMPTY_TX_LIST,
624 DEVLINK_TRAP_GENERIC_ID_PORT_LOOPBACK_FILTER,
625 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_ROUTE,
626 DEVLINK_TRAP_GENERIC_ID_TTL_ERROR,
627 DEVLINK_TRAP_GENERIC_ID_TAIL_DROP,
6896cc4d
AC		 628 DEVLINK_TRAP_GENERIC_ID_NON_IP_PACKET,
629 DEVLINK_TRAP_GENERIC_ID_UC_DIP_MC_DMAC,
630 DEVLINK_TRAP_GENERIC_ID_DIP_LB,
631 DEVLINK_TRAP_GENERIC_ID_SIP_MC,
632 DEVLINK_TRAP_GENERIC_ID_SIP_LB,
633 DEVLINK_TRAP_GENERIC_ID_CORRUPTED_IP_HDR,
634 DEVLINK_TRAP_GENERIC_ID_IPV4_SIP_BC,
635 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_RESERVED_SCOPE,
636 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE,
3b063ae5
AC		 637 DEVLINK_TRAP_GENERIC_ID_MTU_ERROR,
638 DEVLINK_TRAP_GENERIC_ID_UNRESOLVED_NEIGH,
639 DEVLINK_TRAP_GENERIC_ID_RPF,
640 DEVLINK_TRAP_GENERIC_ID_REJECT_ROUTE,
641 DEVLINK_TRAP_GENERIC_ID_IPV4_LPM_UNICAST_MISS,
642 DEVLINK_TRAP_GENERIC_ID_IPV6_LPM_UNICAST_MISS,
95f0ead8 643 DEVLINK_TRAP_GENERIC_ID_NON_ROUTABLE,
13c056ec 644 DEVLINK_TRAP_GENERIC_ID_DECAP_ERROR,
c3cae491 645 DEVLINK_TRAP_GENERIC_ID_OVERLAY_SMAC_MC,
ecd942a0
JP		 646 DEVLINK_TRAP_GENERIC_ID_INGRESS_FLOW_ACTION_DROP,
647 DEVLINK_TRAP_GENERIC_ID_EGRESS_FLOW_ACTION_DROP,
391203ab 648
0f420b6c
IS		 649 /* Add new generic trap IDs above */
650 __DEVLINK_TRAP_GENERIC_ID_MAX,
651 DEVLINK_TRAP_GENERIC_ID_MAX = __DEVLINK_TRAP_GENERIC_ID_MAX - 1,
652};
653
f3047ca0 654/* All trap groups must be documented in
f4bdd710 655 * Documentation/networking/devlink/devlink-trap.rst
f3047ca0 656 */
0f420b6c 657enum devlink_trap_group_generic_id {
391203ab
IS		 658 DEVLINK_TRAP_GROUP_GENERIC_ID_L2_DROPS,
659 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_DROPS,
660 DEVLINK_TRAP_GROUP_GENERIC_ID_BUFFER_DROPS,
13c056ec 661 DEVLINK_TRAP_GROUP_GENERIC_ID_TUNNEL_DROPS,
ecd942a0 662 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_DROPS,
391203ab 663
0f420b6c
IS		 664 /* Add new generic trap group IDs above */
665 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX,
666 DEVLINK_TRAP_GROUP_GENERIC_ID_MAX =
667 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX - 1,
668};
669
391203ab
IS		 670#define DEVLINK_TRAP_GENERIC_NAME_SMAC_MC \
671 "source_mac_is_multicast"
672#define DEVLINK_TRAP_GENERIC_NAME_VLAN_TAG_MISMATCH \
673 "vlan_tag_mismatch"
674#define DEVLINK_TRAP_GENERIC_NAME_INGRESS_VLAN_FILTER \
675 "ingress_vlan_filter"
676#define DEVLINK_TRAP_GENERIC_NAME_INGRESS_STP_FILTER \
677 "ingress_spanning_tree_filter"
678#define DEVLINK_TRAP_GENERIC_NAME_EMPTY_TX_LIST \
679 "port_list_is_empty"
680#define DEVLINK_TRAP_GENERIC_NAME_PORT_LOOPBACK_FILTER \
681 "port_loopback_filter"
682#define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_ROUTE \
683 "blackhole_route"
684#define DEVLINK_TRAP_GENERIC_NAME_TTL_ERROR \
685 "ttl_value_is_too_small"
686#define DEVLINK_TRAP_GENERIC_NAME_TAIL_DROP \
687 "tail_drop"
6896cc4d
AC		 688#define DEVLINK_TRAP_GENERIC_NAME_NON_IP_PACKET \
689 "non_ip"
690#define DEVLINK_TRAP_GENERIC_NAME_UC_DIP_MC_DMAC \
691 "uc_dip_over_mc_dmac"
692#define DEVLINK_TRAP_GENERIC_NAME_DIP_LB \
693 "dip_is_loopback_address"
694#define DEVLINK_TRAP_GENERIC_NAME_SIP_MC \
695 "sip_is_mc"
696#define DEVLINK_TRAP_GENERIC_NAME_SIP_LB \
697 "sip_is_loopback_address"
698#define DEVLINK_TRAP_GENERIC_NAME_CORRUPTED_IP_HDR \
699 "ip_header_corrupted"
700#define DEVLINK_TRAP_GENERIC_NAME_IPV4_SIP_BC \
701 "ipv4_sip_is_limited_bc"
702#define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_RESERVED_SCOPE \
703 "ipv6_mc_dip_reserved_scope"
704#define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE \
705 "ipv6_mc_dip_interface_local_scope"
3b063ae5
AC		 706#define DEVLINK_TRAP_GENERIC_NAME_MTU_ERROR \
707 "mtu_value_is_too_small"
708#define DEVLINK_TRAP_GENERIC_NAME_UNRESOLVED_NEIGH \
709 "unresolved_neigh"
710#define DEVLINK_TRAP_GENERIC_NAME_RPF \
711 "mc_reverse_path_forwarding"
712#define DEVLINK_TRAP_GENERIC_NAME_REJECT_ROUTE \
713 "reject_route"
714#define DEVLINK_TRAP_GENERIC_NAME_IPV4_LPM_UNICAST_MISS \
715 "ipv4_lpm_miss"
716#define DEVLINK_TRAP_GENERIC_NAME_IPV6_LPM_UNICAST_MISS \
717 "ipv6_lpm_miss"
95f0ead8
AC		 718#define DEVLINK_TRAP_GENERIC_NAME_NON_ROUTABLE \
719 "non_routable_packet"
13c056ec
AC		 720#define DEVLINK_TRAP_GENERIC_NAME_DECAP_ERROR \
721 "decap_error"
c3cae491
AC		 722#define DEVLINK_TRAP_GENERIC_NAME_OVERLAY_SMAC_MC \
723 "overlay_smac_is_mc"
ecd942a0
JP		 724#define DEVLINK_TRAP_GENERIC_NAME_INGRESS_FLOW_ACTION_DROP \
725 "ingress_flow_action_drop"
726#define DEVLINK_TRAP_GENERIC_NAME_EGRESS_FLOW_ACTION_DROP \
727 "egress_flow_action_drop"
391203ab
IS		 728
729#define DEVLINK_TRAP_GROUP_GENERIC_NAME_L2_DROPS \
730 "l2_drops"
731#define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_DROPS \
732 "l3_drops"
733#define DEVLINK_TRAP_GROUP_GENERIC_NAME_BUFFER_DROPS \
734 "buffer_drops"
13c056ec
AC		 735#define DEVLINK_TRAP_GROUP_GENERIC_NAME_TUNNEL_DROPS \
736 "tunnel_drops"
ecd942a0
JP		 737#define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_DROPS \
738 "acl_drops"
391203ab 739
107f1678
IS		 740#define DEVLINK_TRAP_GENERIC(_type, _init_action, _id, _group_id, \
741 _metadata_cap) \
0f420b6c
IS		 742 { \
743 .type = DEVLINK_TRAP_TYPE_##_type, \
744 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \
745 .generic = true, \
746 .id = DEVLINK_TRAP_GENERIC_ID_##_id, \
747 .name = DEVLINK_TRAP_GENERIC_NAME_##_id, \
107f1678 748 .init_group_id = _group_id, \
0f420b6c
IS		 749 .metadata_cap = _metadata_cap, \
750 }
751
107f1678 752#define DEVLINK_TRAP_DRIVER(_type, _init_action, _id, _name, _group_id, \
0f420b6c
IS		 753 _metadata_cap) \
754 { \
755 .type = DEVLINK_TRAP_TYPE_##_type, \
756 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \
757 .generic = false, \
758 .id = _id, \
759 .name = _name, \
107f1678 760 .init_group_id = _group_id, \
0f420b6c
IS		 761 .metadata_cap = _metadata_cap, \
762 }
763
f9f54392 764#define DEVLINK_TRAP_GROUP_GENERIC(_id, _policer_id) \
0f420b6c
IS		 765 { \
766 .name = DEVLINK_TRAP_GROUP_GENERIC_NAME_##_id, \
767 .id = DEVLINK_TRAP_GROUP_GENERIC_ID_##_id, \
768 .generic = true, \
f9f54392 769 .init_policer_id = _policer_id, \
0f420b6c
IS		 770 }
771
1e8c6619
IS		 772#define DEVLINK_TRAP_POLICER(_id, _rate, _burst, _max_rate, _min_rate, \
773 _max_burst, _min_burst) \
774 { \
775 .id = _id, \
776 .init_rate = _rate, \
777 .init_burst = _burst, \
778 .max_rate = _max_rate, \
779 .min_rate = _min_rate, \
780 .max_burst = _max_burst, \
781 .min_burst = _min_burst, \
782 }
783
bfcd3a46 784struct devlink_ops {
070c63f2 785 int (*reload_down)(struct devlink *devlink, bool netns_change,
97691069
JP		 786 struct netlink_ext_ack *extack);
787 int (*reload_up)(struct devlink *devlink,
788 struct netlink_ext_ack *extack);
bfcd3a46
JP		 789 int (*port_type_set)(struct devlink_port *devlink_port,
790 enum devlink_port_type port_type);
791 int (*port_split)(struct devlink *devlink, unsigned int port_index,
ac0fc8a1
DA		 792 unsigned int count, struct netlink_ext_ack *extack);
793 int (*port_unsplit)(struct devlink *devlink, unsigned int port_index,
794 struct netlink_ext_ack *extack);
bf797471
JP		 795 int (*sb_pool_get)(struct devlink *devlink, unsigned int sb_index,
796 u16 pool_index,
797 struct devlink_sb_pool_info *pool_info);
798 int (*sb_pool_set)(struct devlink *devlink, unsigned int sb_index,
799 u16 pool_index, u32 size,
f2ad1a52
IS		 800 enum devlink_sb_threshold_type threshold_type,
801 struct netlink_ext_ack *extack);
bf797471
JP		 802 int (*sb_port_pool_get)(struct devlink_port *devlink_port,
803 unsigned int sb_index, u16 pool_index,
804 u32 *p_threshold);
805 int (*sb_port_pool_set)(struct devlink_port *devlink_port,
806 unsigned int sb_index, u16 pool_index,
f2ad1a52 807 u32 threshold, struct netlink_ext_ack *extack);
bf797471
JP		 808 int (*sb_tc_pool_bind_get)(struct devlink_port *devlink_port,
809 unsigned int sb_index,
810 u16 tc_index,
811 enum devlink_sb_pool_type pool_type,
812 u16 *p_pool_index, u32 *p_threshold);
813 int (*sb_tc_pool_bind_set)(struct devlink_port *devlink_port,
814 unsigned int sb_index,
815 u16 tc_index,
816 enum devlink_sb_pool_type pool_type,
f2ad1a52
IS		 817 u16 pool_index, u32 threshold,
818 struct netlink_ext_ack *extack);
df38dafd
JP		 819 int (*sb_occ_snapshot)(struct devlink *devlink,
820 unsigned int sb_index);
821 int (*sb_occ_max_clear)(struct devlink *devlink,
822 unsigned int sb_index);
823 int (*sb_occ_port_pool_get)(struct devlink_port *devlink_port,
824 unsigned int sb_index, u16 pool_index,
825 u32 *p_cur, u32 *p_max);
826 int (*sb_occ_tc_port_bind_get)(struct devlink_port *devlink_port,
827 unsigned int sb_index,
828 u16 tc_index,
829 enum devlink_sb_pool_type pool_type,
830 u32 *p_cur, u32 *p_max);
08f4b591
OG		 831
832 int (*eswitch_mode_get)(struct devlink *devlink, u16 *p_mode);
db7ff19e
EB		 833 int (*eswitch_mode_set)(struct devlink *devlink, u16 mode,
834 struct netlink_ext_ack *extack);
59bfde01 835 int (*eswitch_inline_mode_get)(struct devlink *devlink, u8 *p_inline_mode);
db7ff19e
EB		 836 int (*eswitch_inline_mode_set)(struct devlink *devlink, u8 inline_mode,
837 struct netlink_ext_ack *extack);
98fdbea5
LR		 838 int (*eswitch_encap_mode_get)(struct devlink *devlink,
839 enum devlink_eswitch_encap_mode *p_encap_mode);
840 int (*eswitch_encap_mode_set)(struct devlink *devlink,
841 enum devlink_eswitch_encap_mode encap_mode,
db7ff19e 842 struct netlink_ext_ack *extack);
f9cf2288
JK		 843 int (*info_get)(struct devlink *devlink, struct devlink_info_req *req,
844 struct netlink_ext_ack *extack);
76726ccb
JK		 845 int (*flash_update)(struct devlink *devlink, const char *file_name,
846 const char *component,
847 struct netlink_ext_ack *extack);
0f420b6c
IS		 848 /**
849 * @trap_init: Trap initialization function.
850 *
851 * Should be used by device drivers to initialize the trap in the
852 * underlying device. Drivers should also store the provided trap
853 * context, so that they could efficiently pass it to
854 * devlink_trap_report() when the trap is triggered.
855 */
856 int (*trap_init)(struct devlink *devlink,
857 const struct devlink_trap *trap, void *trap_ctx);
858 /**
859 * @trap_fini: Trap de-initialization function.
860 *
861 * Should be used by device drivers to de-initialize the trap in the
862 * underlying device.
863 */
864 void (*trap_fini)(struct devlink *devlink,
865 const struct devlink_trap *trap, void *trap_ctx);
866 /**
867 * @trap_action_set: Trap action set function.
868 */
869 int (*trap_action_set)(struct devlink *devlink,
870 const struct devlink_trap *trap,
871 enum devlink_trap_action action);
872 /**
873 * @trap_group_init: Trap group initialization function.
874 *
875 * Should be used by device drivers to initialize the trap group in the
876 * underlying device.
877 */
878 int (*trap_group_init)(struct devlink *devlink,
879 const struct devlink_trap_group *group);
c064875a
IS		 880 /**
881 * @trap_group_set: Trap group parameters set function.
882 *
883 * Note: @policer can be NULL when a policer is being unbound from
884 * @group.
885 */
886 int (*trap_group_set)(struct devlink *devlink,
887 const struct devlink_trap_group *group,
888 const struct devlink_trap_policer *policer);
1e8c6619
IS		 889 /**
890 * @trap_policer_init: Trap policer initialization function.
891 *
892 * Should be used by device drivers to initialize the trap policer in
893 * the underlying device.
894 */
895 int (*trap_policer_init)(struct devlink *devlink,
896 const struct devlink_trap_policer *policer);
897 /**
898 * @trap_policer_fini: Trap policer de-initialization function.
899 *
900 * Should be used by device drivers to de-initialize the trap policer
901 * in the underlying device.
902 */
903 void (*trap_policer_fini)(struct devlink *devlink,
904 const struct devlink_trap_policer *policer);
905 /**
906 * @trap_policer_set: Trap policer parameters set function.
907 */
908 int (*trap_policer_set)(struct devlink *devlink,
909 const struct devlink_trap_policer *policer,
910 u64 rate, u64 burst,
911 struct netlink_ext_ack *extack);
912 /**
913 * @trap_policer_counter_get: Trap policer counter get function.
914 *
915 * Should be used by device drivers to report number of packets dropped
916 * by the policer.
917 */
918 int (*trap_policer_counter_get)(struct devlink *devlink,
919 const struct devlink_trap_policer *policer,
920 u64 *p_drops);
bfcd3a46
JP		 921};
922
923static inline void *devlink_priv(struct devlink *devlink)
924{
925 BUG_ON(!devlink);
926 return &devlink->priv;
927}
928
929static inline struct devlink *priv_to_devlink(void *priv)
930{
931 BUG_ON(!priv);
932 return container_of(priv, struct devlink, priv);
933}
934
5dc37bb9
JP		 935static inline struct devlink_port *
936netdev_to_devlink_port(struct net_device *dev)
937{
938 if (dev->netdev_ops->ndo_get_devlink_port)
939 return dev->netdev_ops->ndo_get_devlink_port(dev);
940 return NULL;
941}
942
b473b0d2
JK		 943static inline struct devlink *netdev_to_devlink(struct net_device *dev)
944{
5dc37bb9
JP		 945 struct devlink_port *devlink_port = netdev_to_devlink_port(dev);
946
947 if (devlink_port)
948 return devlink_port->devlink;
b473b0d2
JK		 949 return NULL;
950}
951
bfcd3a46
JP		 952struct ib_device;
953
471f894f 954struct net *devlink_net(const struct devlink *devlink);
8273fd84 955void devlink_net_set(struct devlink *devlink, struct net *net);
bfcd3a46
JP		 956struct devlink *devlink_alloc(const struct devlink_ops *ops, size_t priv_size);
957int devlink_register(struct devlink *devlink, struct device *dev);
958void devlink_unregister(struct devlink *devlink);
a0c76345
JP		 959void devlink_reload_enable(struct devlink *devlink);
960void devlink_reload_disable(struct devlink *devlink);
bfcd3a46
JP		 961void devlink_free(struct devlink *devlink);
962int devlink_port_register(struct devlink *devlink,
963 struct devlink_port *devlink_port,
964 unsigned int port_index);
965void devlink_port_unregister(struct devlink_port *devlink_port);
966void devlink_port_type_eth_set(struct devlink_port *devlink_port,
967 struct net_device *netdev);
968void devlink_port_type_ib_set(struct devlink_port *devlink_port,
969 struct ib_device *ibdev);
970void devlink_port_type_clear(struct devlink_port *devlink_port);
b9ffcbaf 971void devlink_port_attrs_set(struct devlink_port *devlink_port,
5ec1380a 972 enum devlink_port_flavour flavour,
b9ffcbaf 973 u32 port_number, bool split,
bec5267c
JP		 974 u32 split_subport_number,
975 const unsigned char *switch_id,
976 unsigned char switch_id_len);
98fd2d65
PP		 977void devlink_port_attrs_pci_pf_set(struct devlink_port *devlink_port,
978 const unsigned char *switch_id,
979 unsigned char switch_id_len, u16 pf);
e41b6bf3
PP		 980void devlink_port_attrs_pci_vf_set(struct devlink_port *devlink_port,
981 const unsigned char *switch_id,
982 unsigned char switch_id_len,
983 u16 pf, u16 vf);
bf797471
JP		 984int devlink_sb_register(struct devlink *devlink, unsigned int sb_index,
985 u32 size, u16 ingress_pools_count,
986 u16 egress_pools_count, u16 ingress_tc_count,
987 u16 egress_tc_count);
988void devlink_sb_unregister(struct devlink *devlink, unsigned int sb_index);
1555d204
AS		 989int devlink_dpipe_table_register(struct devlink *devlink,
990 const char *table_name,
991 struct devlink_dpipe_table_ops *table_ops,
ffd3cdcc 992 void *priv, bool counter_control_extern);
1555d204
AS		 993void devlink_dpipe_table_unregister(struct devlink *devlink,
994 const char *table_name);
995int devlink_dpipe_headers_register(struct devlink *devlink,
996 struct devlink_dpipe_headers *dpipe_headers);
997void devlink_dpipe_headers_unregister(struct devlink *devlink);
998bool devlink_dpipe_table_counter_enabled(struct devlink *devlink,
999 const char *table_name);
1000int devlink_dpipe_entry_ctx_prepare(struct devlink_dpipe_dump_ctx *dump_ctx);
1001int devlink_dpipe_entry_ctx_append(struct devlink_dpipe_dump_ctx *dump_ctx,
1002 struct devlink_dpipe_entry *entry);
1003int devlink_dpipe_entry_ctx_close(struct devlink_dpipe_dump_ctx *dump_ctx);
35807324 1004void devlink_dpipe_entry_clear(struct devlink_dpipe_entry *entry);
1555d204
AS		 1005int devlink_dpipe_action_put(struct sk_buff *skb,
1006 struct devlink_dpipe_action *action);
1007int devlink_dpipe_match_put(struct sk_buff *skb,
1008 struct devlink_dpipe_match *match);
11770091 1009extern struct devlink_dpipe_header devlink_dpipe_header_ethernet;
3fb886ec 1010extern struct devlink_dpipe_header devlink_dpipe_header_ipv4;
1797f5b3 1011extern struct devlink_dpipe_header devlink_dpipe_header_ipv6;
bfcd3a46 1012
d9f9b9a4
AS		 1013int devlink_resource_register(struct devlink *devlink,
1014 const char *resource_name,
d9f9b9a4
AS		 1015 u64 resource_size,
1016 u64 resource_id,
1017 u64 parent_resource_id,
fc56be47 1018 const struct devlink_resource_size_params *size_params);
d9f9b9a4
AS		 1019void devlink_resources_unregister(struct devlink *devlink,
1020 struct devlink_resource *resource);
1021int devlink_resource_size_get(struct devlink *devlink,
1022 u64 resource_id,
1023 u64 *p_resource_size);
56dc7cd0
AS		 1024int devlink_dpipe_table_resource_set(struct devlink *devlink,
1025 const char *table_name, u64 resource_id,
1026 u64 resource_units);
fc56be47
JP		 1027void devlink_resource_occ_get_register(struct devlink *devlink,
1028 u64 resource_id,
1029 devlink_resource_occ_get_t *occ_get,
1030 void *occ_get_priv);
1031void devlink_resource_occ_get_unregister(struct devlink *devlink,
1032 u64 resource_id);
eabaef18
MS		 1033int devlink_params_register(struct devlink *devlink,
1034 const struct devlink_param *params,
1035 size_t params_count);
1036void devlink_params_unregister(struct devlink *devlink,
1037 const struct devlink_param *params,
1038 size_t params_count);
7c62cfb8
JP		 1039void devlink_params_publish(struct devlink *devlink);
1040void devlink_params_unpublish(struct devlink *devlink);
39e6160e
VV		 1041int devlink_port_params_register(struct devlink_port *devlink_port,
1042 const struct devlink_param *params,
1043 size_t params_count);
1044void devlink_port_params_unregister(struct devlink_port *devlink_port,
1045 const struct devlink_param *params,
1046 size_t params_count);
ec01aeb1
MS		 1047int devlink_param_driverinit_value_get(struct devlink *devlink, u32 param_id,
1048 union devlink_param_value *init_val);
1049int devlink_param_driverinit_value_set(struct devlink *devlink, u32 param_id,
1050 union devlink_param_value init_val);
ffd19b9a
VV		 1051int
1052devlink_port_param_driverinit_value_get(struct devlink_port *devlink_port,
1053 u32 param_id,
1054 union devlink_param_value *init_val);
5473a7bd
VV		 1055int devlink_port_param_driverinit_value_set(struct devlink_port *devlink_port,
1056 u32 param_id,
1057 union devlink_param_value init_val);
ea601e17 1058void devlink_param_value_changed(struct devlink *devlink, u32 param_id);
c1e5786d
VV		 1059void devlink_port_param_value_changed(struct devlink_port *devlink_port,
1060 u32 param_id);
bde74ad1
MS		 1061void devlink_param_value_str_fill(union devlink_param_value *dst_val,
1062 const char *src);
e8937681
JK		 1063struct devlink_region *
1064devlink_region_create(struct devlink *devlink,
1065 const struct devlink_region_ops *ops,
1066 u32 region_max_snapshots, u64 region_size);
b16ebe92 1067void devlink_region_destroy(struct devlink_region *region);
7ef19d3b 1068int devlink_region_snapshot_id_get(struct devlink *devlink, u32 *id);
12102436 1069void devlink_region_snapshot_id_put(struct devlink *devlink, u32 id);
3a5e5234 1070int devlink_region_snapshot_create(struct devlink_region *region,
a0a09f6b 1071 u8 *data, u32 snapshot_id);
f9cf2288
JK		 1072int devlink_info_serial_number_put(struct devlink_info_req *req,
1073 const char *sn);
1074int devlink_info_driver_name_put(struct devlink_info_req *req,
1075 const char *name);
fc6fae7d
JK		 1076int devlink_info_version_fixed_put(struct devlink_info_req *req,
1077 const char *version_name,
1078 const char *version_value);
1079int devlink_info_version_stored_put(struct devlink_info_req *req,
1080 const char *version_name,
1081 const char *version_value);
1082int devlink_info_version_running_put(struct devlink_info_req *req,
1083 const char *version_name,
1084 const char *version_value);
d9f9b9a4 1085
1db64e87
EBE		 1086int devlink_fmsg_obj_nest_start(struct devlink_fmsg *fmsg);
1087int devlink_fmsg_obj_nest_end(struct devlink_fmsg *fmsg);
1088
1089int devlink_fmsg_pair_nest_start(struct devlink_fmsg *fmsg, const char *name);
1090int devlink_fmsg_pair_nest_end(struct devlink_fmsg *fmsg);
1091
1092int devlink_fmsg_arr_pair_nest_start(struct devlink_fmsg *fmsg,
1093 const char *name);
1094int devlink_fmsg_arr_pair_nest_end(struct devlink_fmsg *fmsg);
573ed90a
AL		 1095int devlink_fmsg_binary_pair_nest_start(struct devlink_fmsg *fmsg,
1096 const char *name);
1097int devlink_fmsg_binary_pair_nest_end(struct devlink_fmsg *fmsg);
1db64e87
EBE		 1098
1099int devlink_fmsg_bool_put(struct devlink_fmsg *fmsg, bool value);
1100int devlink_fmsg_u8_put(struct devlink_fmsg *fmsg, u8 value);
1101int devlink_fmsg_u32_put(struct devlink_fmsg *fmsg, u32 value);
1102int devlink_fmsg_u64_put(struct devlink_fmsg *fmsg, u64 value);
1103int devlink_fmsg_string_put(struct devlink_fmsg *fmsg, const char *value);
573ed90a
AL		 1104int devlink_fmsg_binary_put(struct devlink_fmsg *fmsg, const void *value,
1105 u16 value_len);
1db64e87
EBE		 1106
1107int devlink_fmsg_bool_pair_put(struct devlink_fmsg *fmsg, const char *name,
1108 bool value);
1109int devlink_fmsg_u8_pair_put(struct devlink_fmsg *fmsg, const char *name,
1110 u8 value);
1111int devlink_fmsg_u32_pair_put(struct devlink_fmsg *fmsg, const char *name,
1112 u32 value);
1113int devlink_fmsg_u64_pair_put(struct devlink_fmsg *fmsg, const char *name,
1114 u64 value);
1115int devlink_fmsg_string_pair_put(struct devlink_fmsg *fmsg, const char *name,
1116 const char *value);
1117int devlink_fmsg_binary_pair_put(struct devlink_fmsg *fmsg, const char *name,
e2cde864 1118 const void *value, u32 value_len);
1db64e87 1119
a0bdcc59
EBE		 1120struct devlink_health_reporter *
1121devlink_health_reporter_create(struct devlink *devlink,
1122 const struct devlink_health_reporter_ops *ops,
ba7d16c7 1123 u64 graceful_period, void *priv);
a0bdcc59
EBE		 1124void
1125devlink_health_reporter_destroy(struct devlink_health_reporter *reporter);
1126
1127void *
1128devlink_health_reporter_priv(struct devlink_health_reporter *reporter);
c8e1da0b
EBE		 1129int devlink_health_report(struct devlink_health_reporter *reporter,
1130 const char *msg, void *priv_ctx);
3167b27a
EBE		 1131void
1132devlink_health_reporter_state_update(struct devlink_health_reporter *reporter,
1133 enum devlink_health_reporter_state state);
6181e5cb
VG		 1134void
1135devlink_health_reporter_recovery_done(struct devlink_health_reporter *reporter);
a0bdcc59 1136
2670ac26
JP		 1137bool devlink_is_reload_failed(const struct devlink *devlink);
1138
191ed202
JP		 1139void devlink_flash_update_begin_notify(struct devlink *devlink);
1140void devlink_flash_update_end_notify(struct devlink *devlink);
1141void devlink_flash_update_status_notify(struct devlink *devlink,
1142 const char *status_msg,
1143 const char *component,
1144 unsigned long done,
1145 unsigned long total);
1146
0f420b6c
IS		 1147int devlink_traps_register(struct devlink *devlink,
1148 const struct devlink_trap *traps,
1149 size_t traps_count, void *priv);
1150void devlink_traps_unregister(struct devlink *devlink,
1151 const struct devlink_trap *traps,
1152 size_t traps_count);
5a2e106c
JP		 1153void devlink_trap_report(struct devlink *devlink, struct sk_buff *skb,
1154 void *trap_ctx, struct devlink_port *in_devlink_port,
1155 const struct flow_action_cookie *fa_cookie);
0f420b6c 1156void *devlink_trap_ctx_priv(void *trap_ctx);
95ad9555
IS		 1157int devlink_trap_groups_register(struct devlink *devlink,
1158 const struct devlink_trap_group *groups,
1159 size_t groups_count);
1160void devlink_trap_groups_unregister(struct devlink *devlink,
1161 const struct devlink_trap_group *groups,
1162 size_t groups_count);
1e8c6619
IS		 1163int
1164devlink_trap_policers_register(struct devlink *devlink,
1165 const struct devlink_trap_policer *policers,
1166 size_t policers_count);
1167void
1168devlink_trap_policers_unregister(struct devlink *devlink,
1169 const struct devlink_trap_policer *policers,
1170 size_t policers_count);
0f420b6c 1171
f6b19b35
JP		 1172#if IS_ENABLED(CONFIG_NET_DEVLINK)
1173
f4b6bcc7
JK		 1174void devlink_compat_running_version(struct net_device *dev,
1175 char *buf, size_t len);
1176int devlink_compat_flash_update(struct net_device *dev, const char *file_name);
af3836df
JP		 1177int devlink_compat_phys_port_name_get(struct net_device *dev,
1178 char *name, size_t len);
7e1146e8
JP		 1179int devlink_compat_switch_id_get(struct net_device *dev,
1180 struct netdev_phys_item_id *ppid);
f4b6bcc7 1181
bfcd3a46
JP		 1182#else
1183
ddb6e99e
JK		 1184static inline void
1185devlink_compat_running_version(struct net_device *dev, char *buf, size_t len)
1186{
1187}
4eceba17
JK		 1188
1189static inline int
1190devlink_compat_flash_update(struct net_device *dev, const char *file_name)
1191{
1192 return -EOPNOTSUPP;
1193}
f6b19b35 1194
af3836df
JP		 1195static inline int
1196devlink_compat_phys_port_name_get(struct net_device *dev,
1197 char *name, size_t len)
1198{
1199 return -EOPNOTSUPP;
1200}
1201
7e1146e8
JP		 1202static inline int
1203devlink_compat_switch_id_get(struct net_device *dev,
1204 struct netdev_phys_item_id *ppid)
1205{
1206 return -EOPNOTSUPP;
1207}
1208
ddb6e99e
JK		 1209#endif
1210
bfcd3a46 1211#endif /* _NET_DEVLINK_H_ */
Linux 6.x block layer and io_uring tree(s)