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1/* SPDX-License-Identifier: GPL-2.0-or-later */
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 <[email protected]>
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>
15#include <linux/spinlock.h>
16#include <linux/workqueue.h>
17#include <linux/refcount.h>
18#include <net/net_namespace.h>
19#include <net/flow_offload.h>
20#include <uapi/linux/devlink.h>
21#include <linux/xarray.h>
22#include <linux/firmware.h>
23
24#define DEVLINK_RELOAD_STATS_ARRAY_SIZE \
25 (__DEVLINK_RELOAD_LIMIT_MAX * __DEVLINK_RELOAD_ACTION_MAX)
26
27struct devlink_dev_stats {
28 u32 reload_stats[DEVLINK_RELOAD_STATS_ARRAY_SIZE];
29 u32 remote_reload_stats[DEVLINK_RELOAD_STATS_ARRAY_SIZE];
30};
31
32struct devlink_ops;
33
34struct devlink {
35 struct list_head list;
36 struct list_head port_list;
37 struct list_head sb_list;
38 struct list_head dpipe_table_list;
39 struct list_head resource_list;
40 struct list_head param_list;
41 struct list_head region_list;
42 struct list_head reporter_list;
43 struct mutex reporters_lock; /* protects reporter_list */
44 struct devlink_dpipe_headers *dpipe_headers;
45 struct list_head trap_list;
46 struct list_head trap_group_list;
47 struct list_head trap_policer_list;
48 const struct devlink_ops *ops;
49 struct xarray snapshot_ids;
50 struct devlink_dev_stats stats;
51 struct device *dev;
52 possible_net_t _net;
53 struct mutex lock; /* Serializes access to devlink instance specific objects such as
54 * port, sb, dpipe, resource, params, region, traps and more.
55 */
56 u8 reload_failed:1,
57 reload_enabled:1,
58 registered:1;
59 char priv[0] __aligned(NETDEV_ALIGN);
60};
61
62struct devlink_port_phys_attrs {
63 u32 port_number; /* Same value as "split group".
64 * A physical port which is visible to the user
65 * for a given port flavour.
66 */
67 u32 split_subport_number; /* If the port is split, this is the number of subport. */
68};
69
70/**
71 * struct devlink_port_pci_pf_attrs - devlink port's PCI PF attributes
72 * @controller: Associated controller number
73 * @pf: Associated PCI PF number for this port.
74 * @external: when set, indicates if a port is for an external controller
75 */
76struct devlink_port_pci_pf_attrs {
77 u32 controller;
78 u16 pf;
79 u8 external:1;
80};
81
82/**
83 * struct devlink_port_pci_vf_attrs - devlink port's PCI VF attributes
84 * @controller: Associated controller number
85 * @pf: Associated PCI PF number for this port.
86 * @vf: Associated PCI VF for of the PCI PF for this port.
87 * @external: when set, indicates if a port is for an external controller
88 */
89struct devlink_port_pci_vf_attrs {
90 u32 controller;
91 u16 pf;
92 u16 vf;
93 u8 external:1;
94};
95
96/**
97 * struct devlink_port_attrs - devlink port object
98 * @flavour: flavour of the port
99 * @split: indicates if this is split port
100 * @splittable: indicates if the port can be split.
101 * @lanes: maximum number of lanes the port supports. 0 value is not passed to netlink.
102 * @switch_id: if the port is part of switch, this is buffer with ID, otherwise this is NULL
103 * @phys: physical port attributes
104 * @pci_pf: PCI PF port attributes
105 * @pci_vf: PCI VF port attributes
106 */
107struct devlink_port_attrs {
108 u8 split:1,
109 splittable:1;
110 u32 lanes;
111 enum devlink_port_flavour flavour;
112 struct netdev_phys_item_id switch_id;
113 union {
114 struct devlink_port_phys_attrs phys;
115 struct devlink_port_pci_pf_attrs pci_pf;
116 struct devlink_port_pci_vf_attrs pci_vf;
117 };
118};
119
120struct devlink_port {
121 struct list_head list;
122 struct list_head param_list;
123 struct list_head region_list;
124 struct devlink *devlink;
125 unsigned int index;
126 bool registered;
127 spinlock_t type_lock; /* Protects type and type_dev
128 * pointer consistency.
129 */
130 enum devlink_port_type type;
131 enum devlink_port_type desired_type;
132 void *type_dev;
133 struct devlink_port_attrs attrs;
134 u8 attrs_set:1,
135 switch_port:1;
136 struct delayed_work type_warn_dw;
137 struct list_head reporter_list;
138 struct mutex reporters_lock; /* Protects reporter_list */
139};
140
141struct devlink_sb_pool_info {
142 enum devlink_sb_pool_type pool_type;
143 u32 size;
144 enum devlink_sb_threshold_type threshold_type;
145 u32 cell_size;
146};
147
148/**
149 * struct devlink_dpipe_field - dpipe field object
150 * @name: field name
151 * @id: index inside the headers field array
152 * @bitwidth: bitwidth
153 * @mapping_type: mapping type
154 */
155struct devlink_dpipe_field {
156 const char *name;
157 unsigned int id;
158 unsigned int bitwidth;
159 enum devlink_dpipe_field_mapping_type mapping_type;
160};
161
162/**
163 * struct devlink_dpipe_header - dpipe header object
164 * @name: header name
165 * @id: index, global/local detrmined by global bit
166 * @fields: fields
167 * @fields_count: number of fields
168 * @global: indicates if header is shared like most protocol header
169 * or driver specific
170 */
171struct devlink_dpipe_header {
172 const char *name;
173 unsigned int id;
174 struct devlink_dpipe_field *fields;
175 unsigned int fields_count;
176 bool global;
177};
178
179/**
180 * struct devlink_dpipe_match - represents match operation
181 * @type: type of match
182 * @header_index: header index (packets can have several headers of same
183 * type like in case of tunnels)
184 * @header: header
185 * @fieled_id: field index
186 */
187struct devlink_dpipe_match {
188 enum devlink_dpipe_match_type type;
189 unsigned int header_index;
190 struct devlink_dpipe_header *header;
191 unsigned int field_id;
192};
193
194/**
195 * struct devlink_dpipe_action - represents action operation
196 * @type: type of action
197 * @header_index: header index (packets can have several headers of same
198 * type like in case of tunnels)
199 * @header: header
200 * @fieled_id: field index
201 */
202struct devlink_dpipe_action {
203 enum devlink_dpipe_action_type type;
204 unsigned int header_index;
205 struct devlink_dpipe_header *header;
206 unsigned int field_id;
207};
208
209/**
210 * struct devlink_dpipe_value - represents value of match/action
211 * @action: action
212 * @match: match
213 * @mapping_value: in case the field has some mapping this value
214 * specified the mapping value
215 * @mapping_valid: specify if mapping value is valid
216 * @value_size: value size
217 * @value: value
218 * @mask: bit mask
219 */
220struct devlink_dpipe_value {
221 union {
222 struct devlink_dpipe_action *action;
223 struct devlink_dpipe_match *match;
224 };
225 unsigned int mapping_value;
226 bool mapping_valid;
227 unsigned int value_size;
228 void *value;
229 void *mask;
230};
231
232/**
233 * struct devlink_dpipe_entry - table entry object
234 * @index: index of the entry in the table
235 * @match_values: match values
236 * @matche_values_count: count of matches tuples
237 * @action_values: actions values
238 * @action_values_count: count of actions values
239 * @counter: value of counter
240 * @counter_valid: Specify if value is valid from hardware
241 */
242struct devlink_dpipe_entry {
243 u64 index;
244 struct devlink_dpipe_value *match_values;
245 unsigned int match_values_count;
246 struct devlink_dpipe_value *action_values;
247 unsigned int action_values_count;
248 u64 counter;
249 bool counter_valid;
250};
251
252/**
253 * struct devlink_dpipe_dump_ctx - context provided to driver in order
254 * to dump
255 * @info: info
256 * @cmd: devlink command
257 * @skb: skb
258 * @nest: top attribute
259 * @hdr: hdr
260 */
261struct devlink_dpipe_dump_ctx {
262 struct genl_info *info;
263 enum devlink_command cmd;
264 struct sk_buff *skb;
265 struct nlattr *nest;
266 void *hdr;
267};
268
269struct devlink_dpipe_table_ops;
270
271/**
272 * struct devlink_dpipe_table - table object
273 * @priv: private
274 * @name: table name
275 * @counters_enabled: indicates if counters are active
276 * @counter_control_extern: indicates if counter control is in dpipe or
277 * external tool
278 * @resource_valid: Indicate that the resource id is valid
279 * @resource_id: relative resource this table is related to
280 * @resource_units: number of resource's unit consumed per table's entry
281 * @table_ops: table operations
282 * @rcu: rcu
283 */
284struct devlink_dpipe_table {
285 void *priv;
286 struct list_head list;
287 const char *name;
288 bool counters_enabled;
289 bool counter_control_extern;
290 bool resource_valid;
291 u64 resource_id;
292 u64 resource_units;
293 struct devlink_dpipe_table_ops *table_ops;
294 struct rcu_head rcu;
295};
296
297/**
298 * struct devlink_dpipe_table_ops - dpipe_table ops
299 * @actions_dump - dumps all tables actions
300 * @matches_dump - dumps all tables matches
301 * @entries_dump - dumps all active entries in the table
302 * @counters_set_update - when changing the counter status hardware sync
303 * maybe needed to allocate/free counter related
304 * resources
305 * @size_get - get size
306 */
307struct devlink_dpipe_table_ops {
308 int (*actions_dump)(void *priv, struct sk_buff *skb);
309 int (*matches_dump)(void *priv, struct sk_buff *skb);
310 int (*entries_dump)(void *priv, bool counters_enabled,
311 struct devlink_dpipe_dump_ctx *dump_ctx);
312 int (*counters_set_update)(void *priv, bool enable);
313 u64 (*size_get)(void *priv);
314};
315
316/**
317 * struct devlink_dpipe_headers - dpipe headers
318 * @headers - header array can be shared (global bit) or driver specific
319 * @headers_count - count of headers
320 */
321struct devlink_dpipe_headers {
322 struct devlink_dpipe_header **headers;
323 unsigned int headers_count;
324};
325
326/**
327 * struct devlink_resource_size_params - resource's size parameters
328 * @size_min: minimum size which can be set
329 * @size_max: maximum size which can be set
330 * @size_granularity: size granularity
331 * @size_unit: resource's basic unit
332 */
333struct devlink_resource_size_params {
334 u64 size_min;
335 u64 size_max;
336 u64 size_granularity;
337 enum devlink_resource_unit unit;
338};
339
340static inline void
341devlink_resource_size_params_init(struct devlink_resource_size_params *size_params,
342 u64 size_min, u64 size_max,
343 u64 size_granularity,
344 enum devlink_resource_unit unit)
345{
346 size_params->size_min = size_min;
347 size_params->size_max = size_max;
348 size_params->size_granularity = size_granularity;
349 size_params->unit = unit;
350}
351
352typedef u64 devlink_resource_occ_get_t(void *priv);
353
354/**
355 * struct devlink_resource - devlink resource
356 * @name: name of the resource
357 * @id: id, per devlink instance
358 * @size: size of the resource
359 * @size_new: updated size of the resource, reload is needed
360 * @size_valid: valid in case the total size of the resource is valid
361 * including its children
362 * @parent: parent resource
363 * @size_params: size parameters
364 * @list: parent list
365 * @resource_list: list of child resources
366 */
367struct devlink_resource {
368 const char *name;
369 u64 id;
370 u64 size;
371 u64 size_new;
372 bool size_valid;
373 struct devlink_resource *parent;
374 struct devlink_resource_size_params size_params;
375 struct list_head list;
376 struct list_head resource_list;
377 devlink_resource_occ_get_t *occ_get;
378 void *occ_get_priv;
379};
380
381#define DEVLINK_RESOURCE_ID_PARENT_TOP 0
382
383#define __DEVLINK_PARAM_MAX_STRING_VALUE 32
384enum devlink_param_type {
385 DEVLINK_PARAM_TYPE_U8,
386 DEVLINK_PARAM_TYPE_U16,
387 DEVLINK_PARAM_TYPE_U32,
388 DEVLINK_PARAM_TYPE_STRING,
389 DEVLINK_PARAM_TYPE_BOOL,
390};
391
392union devlink_param_value {
393 u8 vu8;
394 u16 vu16;
395 u32 vu32;
396 char vstr[__DEVLINK_PARAM_MAX_STRING_VALUE];
397 bool vbool;
398};
399
400struct devlink_param_gset_ctx {
401 union devlink_param_value val;
402 enum devlink_param_cmode cmode;
403};
404
405/**
406 * struct devlink_flash_notify - devlink dev flash notify data
407 * @status_msg: current status string
408 * @component: firmware component being updated
409 * @done: amount of work completed of total amount
410 * @total: amount of work expected to be done
411 * @timeout: expected max timeout in seconds
412 *
413 * These are values to be given to userland to be displayed in order
414 * to show current activity in a firmware update process.
415 */
416struct devlink_flash_notify {
417 const char *status_msg;
418 const char *component;
419 unsigned long done;
420 unsigned long total;
421 unsigned long timeout;
422};
423
424/**
425 * struct devlink_param - devlink configuration parameter data
426 * @name: name of the parameter
427 * @generic: indicates if the parameter is generic or driver specific
428 * @type: parameter type
429 * @supported_cmodes: bitmap of supported configuration modes
430 * @get: get parameter value, used for runtime and permanent
431 * configuration modes
432 * @set: set parameter value, used for runtime and permanent
433 * configuration modes
434 * @validate: validate input value is applicable (within value range, etc.)
435 *
436 * This struct should be used by the driver to fill the data for
437 * a parameter it registers.
438 */
439struct devlink_param {
440 u32 id;
441 const char *name;
442 bool generic;
443 enum devlink_param_type type;
444 unsigned long supported_cmodes;
445 int (*get)(struct devlink *devlink, u32 id,
446 struct devlink_param_gset_ctx *ctx);
447 int (*set)(struct devlink *devlink, u32 id,
448 struct devlink_param_gset_ctx *ctx);
449 int (*validate)(struct devlink *devlink, u32 id,
450 union devlink_param_value val,
451 struct netlink_ext_ack *extack);
452};
453
454struct devlink_param_item {
455 struct list_head list;
456 const struct devlink_param *param;
457 union devlink_param_value driverinit_value;
458 bool driverinit_value_valid;
459 bool published;
460};
461
462enum devlink_param_generic_id {
463 DEVLINK_PARAM_GENERIC_ID_INT_ERR_RESET,
464 DEVLINK_PARAM_GENERIC_ID_MAX_MACS,
465 DEVLINK_PARAM_GENERIC_ID_ENABLE_SRIOV,
466 DEVLINK_PARAM_GENERIC_ID_REGION_SNAPSHOT,
467 DEVLINK_PARAM_GENERIC_ID_IGNORE_ARI,
468 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX,
469 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN,
470 DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY,
471 DEVLINK_PARAM_GENERIC_ID_RESET_DEV_ON_DRV_PROBE,
472 DEVLINK_PARAM_GENERIC_ID_ENABLE_ROCE,
473 DEVLINK_PARAM_GENERIC_ID_ENABLE_REMOTE_DEV_RESET,
474
475 /* add new param generic ids above here*/
476 __DEVLINK_PARAM_GENERIC_ID_MAX,
477 DEVLINK_PARAM_GENERIC_ID_MAX = __DEVLINK_PARAM_GENERIC_ID_MAX - 1,
478};
479
480#define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_NAME "internal_error_reset"
481#define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL
482
483#define DEVLINK_PARAM_GENERIC_MAX_MACS_NAME "max_macs"
484#define DEVLINK_PARAM_GENERIC_MAX_MACS_TYPE DEVLINK_PARAM_TYPE_U32
485
486#define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_NAME "enable_sriov"
487#define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_TYPE DEVLINK_PARAM_TYPE_BOOL
488
489#define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_NAME "region_snapshot_enable"
490#define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_TYPE DEVLINK_PARAM_TYPE_BOOL
491
492#define DEVLINK_PARAM_GENERIC_IGNORE_ARI_NAME "ignore_ari"
493#define DEVLINK_PARAM_GENERIC_IGNORE_ARI_TYPE DEVLINK_PARAM_TYPE_BOOL
494
495#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_NAME "msix_vec_per_pf_max"
496#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_TYPE DEVLINK_PARAM_TYPE_U32
497
498#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_NAME "msix_vec_per_pf_min"
499#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_TYPE DEVLINK_PARAM_TYPE_U32
500
501#define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_NAME "fw_load_policy"
502#define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_TYPE DEVLINK_PARAM_TYPE_U8
503
504#define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_NAME \
505 "reset_dev_on_drv_probe"
506#define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_TYPE DEVLINK_PARAM_TYPE_U8
507
508#define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_NAME "enable_roce"
509#define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_TYPE DEVLINK_PARAM_TYPE_BOOL
510
511#define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_NAME "enable_remote_dev_reset"
512#define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL
513
514#define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate) \
515{ \
516 .id = DEVLINK_PARAM_GENERIC_ID_##_id, \
517 .name = DEVLINK_PARAM_GENERIC_##_id##_NAME, \
518 .type = DEVLINK_PARAM_GENERIC_##_id##_TYPE, \
519 .generic = true, \
520 .supported_cmodes = _cmodes, \
521 .get = _get, \
522 .set = _set, \
523 .validate = _validate, \
524}
525
526#define DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, _get, _set, _validate) \
527{ \
528 .id = _id, \
529 .name = _name, \
530 .type = _type, \
531 .supported_cmodes = _cmodes, \
532 .get = _get, \
533 .set = _set, \
534 .validate = _validate, \
535}
536
537/* Part number, identifier of board design */
538#define DEVLINK_INFO_VERSION_GENERIC_BOARD_ID "board.id"
539/* Revision of board design */
540#define DEVLINK_INFO_VERSION_GENERIC_BOARD_REV "board.rev"
541/* Maker of the board */
542#define DEVLINK_INFO_VERSION_GENERIC_BOARD_MANUFACTURE "board.manufacture"
543
544/* Part number, identifier of asic design */
545#define DEVLINK_INFO_VERSION_GENERIC_ASIC_ID "asic.id"
546/* Revision of asic design */
547#define DEVLINK_INFO_VERSION_GENERIC_ASIC_REV "asic.rev"
548
549/* Overall FW version */
550#define DEVLINK_INFO_VERSION_GENERIC_FW "fw"
551/* Control processor FW version */
552#define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT "fw.mgmt"
553/* FW interface specification version */
554#define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT_API "fw.mgmt.api"
555/* Data path microcode controlling high-speed packet processing */
556#define DEVLINK_INFO_VERSION_GENERIC_FW_APP "fw.app"
557/* UNDI software version */
558#define DEVLINK_INFO_VERSION_GENERIC_FW_UNDI "fw.undi"
559/* NCSI support/handler version */
560#define DEVLINK_INFO_VERSION_GENERIC_FW_NCSI "fw.ncsi"
561/* FW parameter set id */
562#define DEVLINK_INFO_VERSION_GENERIC_FW_PSID "fw.psid"
563/* RoCE FW version */
564#define DEVLINK_INFO_VERSION_GENERIC_FW_ROCE "fw.roce"
565/* Firmware bundle identifier */
566#define DEVLINK_INFO_VERSION_GENERIC_FW_BUNDLE_ID "fw.bundle_id"
567
568/**
569 * struct devlink_flash_update_params - Flash Update parameters
570 * @fw: pointer to the firmware data to update from
571 * @component: the flash component to update
572 *
573 * With the exception of fw, drivers must opt-in to parameters by
574 * setting the appropriate bit in the supported_flash_update_params field in
575 * their devlink_ops structure.
576 */
577struct devlink_flash_update_params {
578 const struct firmware *fw;
579 const char *component;
580 u32 overwrite_mask;
581};
582
583#define DEVLINK_SUPPORT_FLASH_UPDATE_COMPONENT BIT(0)
584#define DEVLINK_SUPPORT_FLASH_UPDATE_OVERWRITE_MASK BIT(1)
585
586struct devlink_region;
587struct devlink_info_req;
588
589/**
590 * struct devlink_region_ops - Region operations
591 * @name: region name
592 * @destructor: callback used to free snapshot memory when deleting
593 * @snapshot: callback to request an immediate snapshot. On success,
594 * the data variable must be updated to point to the snapshot data.
595 * The function will be called while the devlink instance lock is
596 * held.
597 * @priv: Pointer to driver private data for the region operation
598 */
599struct devlink_region_ops {
600 const char *name;
601 void (*destructor)(const void *data);
602 int (*snapshot)(struct devlink *devlink,
603 const struct devlink_region_ops *ops,
604 struct netlink_ext_ack *extack,
605 u8 **data);
606 void *priv;
607};
608
609/**
610 * struct devlink_port_region_ops - Region operations for a port
611 * @name: region name
612 * @destructor: callback used to free snapshot memory when deleting
613 * @snapshot: callback to request an immediate snapshot. On success,
614 * the data variable must be updated to point to the snapshot data.
615 * The function will be called while the devlink instance lock is
616 * held.
617 * @priv: Pointer to driver private data for the region operation
618 */
619struct devlink_port_region_ops {
620 const char *name;
621 void (*destructor)(const void *data);
622 int (*snapshot)(struct devlink_port *port,
623 const struct devlink_port_region_ops *ops,
624 struct netlink_ext_ack *extack,
625 u8 **data);
626 void *priv;
627};
628
629struct devlink_fmsg;
630struct devlink_health_reporter;
631
632enum devlink_health_reporter_state {
633 DEVLINK_HEALTH_REPORTER_STATE_HEALTHY,
634 DEVLINK_HEALTH_REPORTER_STATE_ERROR,
635};
636
637/**
638 * struct devlink_health_reporter_ops - Reporter operations
639 * @name: reporter name
640 * @recover: callback to recover from reported error
641 * if priv_ctx is NULL, run a full recover
642 * @dump: callback to dump an object
643 * if priv_ctx is NULL, run a full dump
644 * @diagnose: callback to diagnose the current status
645 * @test: callback to trigger a test event
646 */
647
648struct devlink_health_reporter_ops {
649 char *name;
650 int (*recover)(struct devlink_health_reporter *reporter,
651 void *priv_ctx, struct netlink_ext_ack *extack);
652 int (*dump)(struct devlink_health_reporter *reporter,
653 struct devlink_fmsg *fmsg, void *priv_ctx,
654 struct netlink_ext_ack *extack);
655 int (*diagnose)(struct devlink_health_reporter *reporter,
656 struct devlink_fmsg *fmsg,
657 struct netlink_ext_ack *extack);
658 int (*test)(struct devlink_health_reporter *reporter,
659 struct netlink_ext_ack *extack);
660};
661
662/**
663 * struct devlink_trap_metadata - Packet trap metadata.
664 * @trap_name: Trap name.
665 * @trap_group_name: Trap group name.
666 * @input_dev: Input netdevice.
667 * @fa_cookie: Flow action user cookie.
668 * @trap_type: Trap type.
669 */
670struct devlink_trap_metadata {
671 const char *trap_name;
672 const char *trap_group_name;
673 struct net_device *input_dev;
674 const struct flow_action_cookie *fa_cookie;
675 enum devlink_trap_type trap_type;
676};
677
678/**
679 * struct devlink_trap_policer - Immutable packet trap policer attributes.
680 * @id: Policer identifier.
681 * @init_rate: Initial rate in packets / sec.
682 * @init_burst: Initial burst size in packets.
683 * @max_rate: Maximum rate.
684 * @min_rate: Minimum rate.
685 * @max_burst: Maximum burst size.
686 * @min_burst: Minimum burst size.
687 *
688 * Describes immutable attributes of packet trap policers that drivers register
689 * with devlink.
690 */
691struct devlink_trap_policer {
692 u32 id;
693 u64 init_rate;
694 u64 init_burst;
695 u64 max_rate;
696 u64 min_rate;
697 u64 max_burst;
698 u64 min_burst;
699};
700
701/**
702 * struct devlink_trap_group - Immutable packet trap group attributes.
703 * @name: Trap group name.
704 * @id: Trap group identifier.
705 * @generic: Whether the trap group is generic or not.
706 * @init_policer_id: Initial policer identifier.
707 *
708 * Describes immutable attributes of packet trap groups that drivers register
709 * with devlink.
710 */
711struct devlink_trap_group {
712 const char *name;
713 u16 id;
714 bool generic;
715 u32 init_policer_id;
716};
717
718#define DEVLINK_TRAP_METADATA_TYPE_F_IN_PORT BIT(0)
719#define DEVLINK_TRAP_METADATA_TYPE_F_FA_COOKIE BIT(1)
720
721/**
722 * struct devlink_trap - Immutable packet trap attributes.
723 * @type: Trap type.
724 * @init_action: Initial trap action.
725 * @generic: Whether the trap is generic or not.
726 * @id: Trap identifier.
727 * @name: Trap name.
728 * @init_group_id: Initial group identifier.
729 * @metadata_cap: Metadata types that can be provided by the trap.
730 *
731 * Describes immutable attributes of packet traps that drivers register with
732 * devlink.
733 */
734struct devlink_trap {
735 enum devlink_trap_type type;
736 enum devlink_trap_action init_action;
737 bool generic;
738 u16 id;
739 const char *name;
740 u16 init_group_id;
741 u32 metadata_cap;
742};
743
744/* All traps must be documented in
745 * Documentation/networking/devlink/devlink-trap.rst
746 */
747enum devlink_trap_generic_id {
748 DEVLINK_TRAP_GENERIC_ID_SMAC_MC,
749 DEVLINK_TRAP_GENERIC_ID_VLAN_TAG_MISMATCH,
750 DEVLINK_TRAP_GENERIC_ID_INGRESS_VLAN_FILTER,
751 DEVLINK_TRAP_GENERIC_ID_INGRESS_STP_FILTER,
752 DEVLINK_TRAP_GENERIC_ID_EMPTY_TX_LIST,
753 DEVLINK_TRAP_GENERIC_ID_PORT_LOOPBACK_FILTER,
754 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_ROUTE,
755 DEVLINK_TRAP_GENERIC_ID_TTL_ERROR,
756 DEVLINK_TRAP_GENERIC_ID_TAIL_DROP,
757 DEVLINK_TRAP_GENERIC_ID_NON_IP_PACKET,
758 DEVLINK_TRAP_GENERIC_ID_UC_DIP_MC_DMAC,
759 DEVLINK_TRAP_GENERIC_ID_DIP_LB,
760 DEVLINK_TRAP_GENERIC_ID_SIP_MC,
761 DEVLINK_TRAP_GENERIC_ID_SIP_LB,
762 DEVLINK_TRAP_GENERIC_ID_CORRUPTED_IP_HDR,
763 DEVLINK_TRAP_GENERIC_ID_IPV4_SIP_BC,
764 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_RESERVED_SCOPE,
765 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE,
766 DEVLINK_TRAP_GENERIC_ID_MTU_ERROR,
767 DEVLINK_TRAP_GENERIC_ID_UNRESOLVED_NEIGH,
768 DEVLINK_TRAP_GENERIC_ID_RPF,
769 DEVLINK_TRAP_GENERIC_ID_REJECT_ROUTE,
770 DEVLINK_TRAP_GENERIC_ID_IPV4_LPM_UNICAST_MISS,
771 DEVLINK_TRAP_GENERIC_ID_IPV6_LPM_UNICAST_MISS,
772 DEVLINK_TRAP_GENERIC_ID_NON_ROUTABLE,
773 DEVLINK_TRAP_GENERIC_ID_DECAP_ERROR,
774 DEVLINK_TRAP_GENERIC_ID_OVERLAY_SMAC_MC,
775 DEVLINK_TRAP_GENERIC_ID_INGRESS_FLOW_ACTION_DROP,
776 DEVLINK_TRAP_GENERIC_ID_EGRESS_FLOW_ACTION_DROP,
777 DEVLINK_TRAP_GENERIC_ID_STP,
778 DEVLINK_TRAP_GENERIC_ID_LACP,
779 DEVLINK_TRAP_GENERIC_ID_LLDP,
780 DEVLINK_TRAP_GENERIC_ID_IGMP_QUERY,
781 DEVLINK_TRAP_GENERIC_ID_IGMP_V1_REPORT,
782 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_REPORT,
783 DEVLINK_TRAP_GENERIC_ID_IGMP_V3_REPORT,
784 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_LEAVE,
785 DEVLINK_TRAP_GENERIC_ID_MLD_QUERY,
786 DEVLINK_TRAP_GENERIC_ID_MLD_V1_REPORT,
787 DEVLINK_TRAP_GENERIC_ID_MLD_V2_REPORT,
788 DEVLINK_TRAP_GENERIC_ID_MLD_V1_DONE,
789 DEVLINK_TRAP_GENERIC_ID_IPV4_DHCP,
790 DEVLINK_TRAP_GENERIC_ID_IPV6_DHCP,
791 DEVLINK_TRAP_GENERIC_ID_ARP_REQUEST,
792 DEVLINK_TRAP_GENERIC_ID_ARP_RESPONSE,
793 DEVLINK_TRAP_GENERIC_ID_ARP_OVERLAY,
794 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_SOLICIT,
795 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_ADVERT,
796 DEVLINK_TRAP_GENERIC_ID_IPV4_BFD,
797 DEVLINK_TRAP_GENERIC_ID_IPV6_BFD,
798 DEVLINK_TRAP_GENERIC_ID_IPV4_OSPF,
799 DEVLINK_TRAP_GENERIC_ID_IPV6_OSPF,
800 DEVLINK_TRAP_GENERIC_ID_IPV4_BGP,
801 DEVLINK_TRAP_GENERIC_ID_IPV6_BGP,
802 DEVLINK_TRAP_GENERIC_ID_IPV4_VRRP,
803 DEVLINK_TRAP_GENERIC_ID_IPV6_VRRP,
804 DEVLINK_TRAP_GENERIC_ID_IPV4_PIM,
805 DEVLINK_TRAP_GENERIC_ID_IPV6_PIM,
806 DEVLINK_TRAP_GENERIC_ID_UC_LB,
807 DEVLINK_TRAP_GENERIC_ID_LOCAL_ROUTE,
808 DEVLINK_TRAP_GENERIC_ID_EXTERNAL_ROUTE,
809 DEVLINK_TRAP_GENERIC_ID_IPV6_UC_DIP_LINK_LOCAL_SCOPE,
810 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_NODES,
811 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_ROUTERS,
812 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_SOLICIT,
813 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ADVERT,
814 DEVLINK_TRAP_GENERIC_ID_IPV6_REDIRECT,
815 DEVLINK_TRAP_GENERIC_ID_IPV4_ROUTER_ALERT,
816 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ALERT,
817 DEVLINK_TRAP_GENERIC_ID_PTP_EVENT,
818 DEVLINK_TRAP_GENERIC_ID_PTP_GENERAL,
819 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_SAMPLE,
820 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_TRAP,
821 DEVLINK_TRAP_GENERIC_ID_EARLY_DROP,
822 DEVLINK_TRAP_GENERIC_ID_VXLAN_PARSING,
823 DEVLINK_TRAP_GENERIC_ID_LLC_SNAP_PARSING,
824 DEVLINK_TRAP_GENERIC_ID_VLAN_PARSING,
825 DEVLINK_TRAP_GENERIC_ID_PPPOE_PPP_PARSING,
826 DEVLINK_TRAP_GENERIC_ID_MPLS_PARSING,
827 DEVLINK_TRAP_GENERIC_ID_ARP_PARSING,
828 DEVLINK_TRAP_GENERIC_ID_IP_1_PARSING,
829 DEVLINK_TRAP_GENERIC_ID_IP_N_PARSING,
830 DEVLINK_TRAP_GENERIC_ID_GRE_PARSING,
831 DEVLINK_TRAP_GENERIC_ID_UDP_PARSING,
832 DEVLINK_TRAP_GENERIC_ID_TCP_PARSING,
833 DEVLINK_TRAP_GENERIC_ID_IPSEC_PARSING,
834 DEVLINK_TRAP_GENERIC_ID_SCTP_PARSING,
835 DEVLINK_TRAP_GENERIC_ID_DCCP_PARSING,
836 DEVLINK_TRAP_GENERIC_ID_GTP_PARSING,
837 DEVLINK_TRAP_GENERIC_ID_ESP_PARSING,
838 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_NEXTHOP,
839
840 /* Add new generic trap IDs above */
841 __DEVLINK_TRAP_GENERIC_ID_MAX,
842 DEVLINK_TRAP_GENERIC_ID_MAX = __DEVLINK_TRAP_GENERIC_ID_MAX - 1,
843};
844
845/* All trap groups must be documented in
846 * Documentation/networking/devlink/devlink-trap.rst
847 */
848enum devlink_trap_group_generic_id {
849 DEVLINK_TRAP_GROUP_GENERIC_ID_L2_DROPS,
850 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_DROPS,
851 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_EXCEPTIONS,
852 DEVLINK_TRAP_GROUP_GENERIC_ID_BUFFER_DROPS,
853 DEVLINK_TRAP_GROUP_GENERIC_ID_TUNNEL_DROPS,
854 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_DROPS,
855 DEVLINK_TRAP_GROUP_GENERIC_ID_STP,
856 DEVLINK_TRAP_GROUP_GENERIC_ID_LACP,
857 DEVLINK_TRAP_GROUP_GENERIC_ID_LLDP,
858 DEVLINK_TRAP_GROUP_GENERIC_ID_MC_SNOOPING,
859 DEVLINK_TRAP_GROUP_GENERIC_ID_DHCP,
860 DEVLINK_TRAP_GROUP_GENERIC_ID_NEIGH_DISCOVERY,
861 DEVLINK_TRAP_GROUP_GENERIC_ID_BFD,
862 DEVLINK_TRAP_GROUP_GENERIC_ID_OSPF,
863 DEVLINK_TRAP_GROUP_GENERIC_ID_BGP,
864 DEVLINK_TRAP_GROUP_GENERIC_ID_VRRP,
865 DEVLINK_TRAP_GROUP_GENERIC_ID_PIM,
866 DEVLINK_TRAP_GROUP_GENERIC_ID_UC_LB,
867 DEVLINK_TRAP_GROUP_GENERIC_ID_LOCAL_DELIVERY,
868 DEVLINK_TRAP_GROUP_GENERIC_ID_EXTERNAL_DELIVERY,
869 DEVLINK_TRAP_GROUP_GENERIC_ID_IPV6,
870 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_EVENT,
871 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_GENERAL,
872 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_SAMPLE,
873 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_TRAP,
874 DEVLINK_TRAP_GROUP_GENERIC_ID_PARSER_ERROR_DROPS,
875
876 /* Add new generic trap group IDs above */
877 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX,
878 DEVLINK_TRAP_GROUP_GENERIC_ID_MAX =
879 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX - 1,
880};
881
882#define DEVLINK_TRAP_GENERIC_NAME_SMAC_MC \
883 "source_mac_is_multicast"
884#define DEVLINK_TRAP_GENERIC_NAME_VLAN_TAG_MISMATCH \
885 "vlan_tag_mismatch"
886#define DEVLINK_TRAP_GENERIC_NAME_INGRESS_VLAN_FILTER \
887 "ingress_vlan_filter"
888#define DEVLINK_TRAP_GENERIC_NAME_INGRESS_STP_FILTER \
889 "ingress_spanning_tree_filter"
890#define DEVLINK_TRAP_GENERIC_NAME_EMPTY_TX_LIST \
891 "port_list_is_empty"
892#define DEVLINK_TRAP_GENERIC_NAME_PORT_LOOPBACK_FILTER \
893 "port_loopback_filter"
894#define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_ROUTE \
895 "blackhole_route"
896#define DEVLINK_TRAP_GENERIC_NAME_TTL_ERROR \
897 "ttl_value_is_too_small"
898#define DEVLINK_TRAP_GENERIC_NAME_TAIL_DROP \
899 "tail_drop"
900#define DEVLINK_TRAP_GENERIC_NAME_NON_IP_PACKET \
901 "non_ip"
902#define DEVLINK_TRAP_GENERIC_NAME_UC_DIP_MC_DMAC \
903 "uc_dip_over_mc_dmac"
904#define DEVLINK_TRAP_GENERIC_NAME_DIP_LB \
905 "dip_is_loopback_address"
906#define DEVLINK_TRAP_GENERIC_NAME_SIP_MC \
907 "sip_is_mc"
908#define DEVLINK_TRAP_GENERIC_NAME_SIP_LB \
909 "sip_is_loopback_address"
910#define DEVLINK_TRAP_GENERIC_NAME_CORRUPTED_IP_HDR \
911 "ip_header_corrupted"
912#define DEVLINK_TRAP_GENERIC_NAME_IPV4_SIP_BC \
913 "ipv4_sip_is_limited_bc"
914#define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_RESERVED_SCOPE \
915 "ipv6_mc_dip_reserved_scope"
916#define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE \
917 "ipv6_mc_dip_interface_local_scope"
918#define DEVLINK_TRAP_GENERIC_NAME_MTU_ERROR \
919 "mtu_value_is_too_small"
920#define DEVLINK_TRAP_GENERIC_NAME_UNRESOLVED_NEIGH \
921 "unresolved_neigh"
922#define DEVLINK_TRAP_GENERIC_NAME_RPF \
923 "mc_reverse_path_forwarding"
924#define DEVLINK_TRAP_GENERIC_NAME_REJECT_ROUTE \
925 "reject_route"
926#define DEVLINK_TRAP_GENERIC_NAME_IPV4_LPM_UNICAST_MISS \
927 "ipv4_lpm_miss"
928#define DEVLINK_TRAP_GENERIC_NAME_IPV6_LPM_UNICAST_MISS \
929 "ipv6_lpm_miss"
930#define DEVLINK_TRAP_GENERIC_NAME_NON_ROUTABLE \
931 "non_routable_packet"
932#define DEVLINK_TRAP_GENERIC_NAME_DECAP_ERROR \
933 "decap_error"
934#define DEVLINK_TRAP_GENERIC_NAME_OVERLAY_SMAC_MC \
935 "overlay_smac_is_mc"
936#define DEVLINK_TRAP_GENERIC_NAME_INGRESS_FLOW_ACTION_DROP \
937 "ingress_flow_action_drop"
938#define DEVLINK_TRAP_GENERIC_NAME_EGRESS_FLOW_ACTION_DROP \
939 "egress_flow_action_drop"
940#define DEVLINK_TRAP_GENERIC_NAME_STP \
941 "stp"
942#define DEVLINK_TRAP_GENERIC_NAME_LACP \
943 "lacp"
944#define DEVLINK_TRAP_GENERIC_NAME_LLDP \
945 "lldp"
946#define DEVLINK_TRAP_GENERIC_NAME_IGMP_QUERY \
947 "igmp_query"
948#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V1_REPORT \
949 "igmp_v1_report"
950#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_REPORT \
951 "igmp_v2_report"
952#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V3_REPORT \
953 "igmp_v3_report"
954#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_LEAVE \
955 "igmp_v2_leave"
956#define DEVLINK_TRAP_GENERIC_NAME_MLD_QUERY \
957 "mld_query"
958#define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_REPORT \
959 "mld_v1_report"
960#define DEVLINK_TRAP_GENERIC_NAME_MLD_V2_REPORT \
961 "mld_v2_report"
962#define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_DONE \
963 "mld_v1_done"
964#define DEVLINK_TRAP_GENERIC_NAME_IPV4_DHCP \
965 "ipv4_dhcp"
966#define DEVLINK_TRAP_GENERIC_NAME_IPV6_DHCP \
967 "ipv6_dhcp"
968#define DEVLINK_TRAP_GENERIC_NAME_ARP_REQUEST \
969 "arp_request"
970#define DEVLINK_TRAP_GENERIC_NAME_ARP_RESPONSE \
971 "arp_response"
972#define DEVLINK_TRAP_GENERIC_NAME_ARP_OVERLAY \
973 "arp_overlay"
974#define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_SOLICIT \
975 "ipv6_neigh_solicit"
976#define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_ADVERT \
977 "ipv6_neigh_advert"
978#define DEVLINK_TRAP_GENERIC_NAME_IPV4_BFD \
979 "ipv4_bfd"
980#define DEVLINK_TRAP_GENERIC_NAME_IPV6_BFD \
981 "ipv6_bfd"
982#define DEVLINK_TRAP_GENERIC_NAME_IPV4_OSPF \
983 "ipv4_ospf"
984#define DEVLINK_TRAP_GENERIC_NAME_IPV6_OSPF \
985 "ipv6_ospf"
986#define DEVLINK_TRAP_GENERIC_NAME_IPV4_BGP \
987 "ipv4_bgp"
988#define DEVLINK_TRAP_GENERIC_NAME_IPV6_BGP \
989 "ipv6_bgp"
990#define DEVLINK_TRAP_GENERIC_NAME_IPV4_VRRP \
991 "ipv4_vrrp"
992#define DEVLINK_TRAP_GENERIC_NAME_IPV6_VRRP \
993 "ipv6_vrrp"
994#define DEVLINK_TRAP_GENERIC_NAME_IPV4_PIM \
995 "ipv4_pim"
996#define DEVLINK_TRAP_GENERIC_NAME_IPV6_PIM \
997 "ipv6_pim"
998#define DEVLINK_TRAP_GENERIC_NAME_UC_LB \
999 "uc_loopback"
1000#define DEVLINK_TRAP_GENERIC_NAME_LOCAL_ROUTE \
1001 "local_route"
1002#define DEVLINK_TRAP_GENERIC_NAME_EXTERNAL_ROUTE \
1003 "external_route"
1004#define DEVLINK_TRAP_GENERIC_NAME_IPV6_UC_DIP_LINK_LOCAL_SCOPE \
1005 "ipv6_uc_dip_link_local_scope"
1006#define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_NODES \
1007 "ipv6_dip_all_nodes"
1008#define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_ROUTERS \
1009 "ipv6_dip_all_routers"
1010#define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_SOLICIT \
1011 "ipv6_router_solicit"
1012#define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ADVERT \
1013 "ipv6_router_advert"
1014#define DEVLINK_TRAP_GENERIC_NAME_IPV6_REDIRECT \
1015 "ipv6_redirect"
1016#define DEVLINK_TRAP_GENERIC_NAME_IPV4_ROUTER_ALERT \
1017 "ipv4_router_alert"
1018#define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ALERT \
1019 "ipv6_router_alert"
1020#define DEVLINK_TRAP_GENERIC_NAME_PTP_EVENT \
1021 "ptp_event"
1022#define DEVLINK_TRAP_GENERIC_NAME_PTP_GENERAL \
1023 "ptp_general"
1024#define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_SAMPLE \
1025 "flow_action_sample"
1026#define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_TRAP \
1027 "flow_action_trap"
1028#define DEVLINK_TRAP_GENERIC_NAME_EARLY_DROP \
1029 "early_drop"
1030#define DEVLINK_TRAP_GENERIC_NAME_VXLAN_PARSING \
1031 "vxlan_parsing"
1032#define DEVLINK_TRAP_GENERIC_NAME_LLC_SNAP_PARSING \
1033 "llc_snap_parsing"
1034#define DEVLINK_TRAP_GENERIC_NAME_VLAN_PARSING \
1035 "vlan_parsing"
1036#define DEVLINK_TRAP_GENERIC_NAME_PPPOE_PPP_PARSING \
1037 "pppoe_ppp_parsing"
1038#define DEVLINK_TRAP_GENERIC_NAME_MPLS_PARSING \
1039 "mpls_parsing"
1040#define DEVLINK_TRAP_GENERIC_NAME_ARP_PARSING \
1041 "arp_parsing"
1042#define DEVLINK_TRAP_GENERIC_NAME_IP_1_PARSING \
1043 "ip_1_parsing"
1044#define DEVLINK_TRAP_GENERIC_NAME_IP_N_PARSING \
1045 "ip_n_parsing"
1046#define DEVLINK_TRAP_GENERIC_NAME_GRE_PARSING \
1047 "gre_parsing"
1048#define DEVLINK_TRAP_GENERIC_NAME_UDP_PARSING \
1049 "udp_parsing"
1050#define DEVLINK_TRAP_GENERIC_NAME_TCP_PARSING \
1051 "tcp_parsing"
1052#define DEVLINK_TRAP_GENERIC_NAME_IPSEC_PARSING \
1053 "ipsec_parsing"
1054#define DEVLINK_TRAP_GENERIC_NAME_SCTP_PARSING \
1055 "sctp_parsing"
1056#define DEVLINK_TRAP_GENERIC_NAME_DCCP_PARSING \
1057 "dccp_parsing"
1058#define DEVLINK_TRAP_GENERIC_NAME_GTP_PARSING \
1059 "gtp_parsing"
1060#define DEVLINK_TRAP_GENERIC_NAME_ESP_PARSING \
1061 "esp_parsing"
1062#define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_NEXTHOP \
1063 "blackhole_nexthop"
1064
1065#define DEVLINK_TRAP_GROUP_GENERIC_NAME_L2_DROPS \
1066 "l2_drops"
1067#define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_DROPS \
1068 "l3_drops"
1069#define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_EXCEPTIONS \
1070 "l3_exceptions"
1071#define DEVLINK_TRAP_GROUP_GENERIC_NAME_BUFFER_DROPS \
1072 "buffer_drops"
1073#define DEVLINK_TRAP_GROUP_GENERIC_NAME_TUNNEL_DROPS \
1074 "tunnel_drops"
1075#define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_DROPS \
1076 "acl_drops"
1077#define DEVLINK_TRAP_GROUP_GENERIC_NAME_STP \
1078 "stp"
1079#define DEVLINK_TRAP_GROUP_GENERIC_NAME_LACP \
1080 "lacp"
1081#define DEVLINK_TRAP_GROUP_GENERIC_NAME_LLDP \
1082 "lldp"
1083#define DEVLINK_TRAP_GROUP_GENERIC_NAME_MC_SNOOPING \
1084 "mc_snooping"
1085#define DEVLINK_TRAP_GROUP_GENERIC_NAME_DHCP \
1086 "dhcp"
1087#define DEVLINK_TRAP_GROUP_GENERIC_NAME_NEIGH_DISCOVERY \
1088 "neigh_discovery"
1089#define DEVLINK_TRAP_GROUP_GENERIC_NAME_BFD \
1090 "bfd"
1091#define DEVLINK_TRAP_GROUP_GENERIC_NAME_OSPF \
1092 "ospf"
1093#define DEVLINK_TRAP_GROUP_GENERIC_NAME_BGP \
1094 "bgp"
1095#define DEVLINK_TRAP_GROUP_GENERIC_NAME_VRRP \
1096 "vrrp"
1097#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PIM \
1098 "pim"
1099#define DEVLINK_TRAP_GROUP_GENERIC_NAME_UC_LB \
1100 "uc_loopback"
1101#define DEVLINK_TRAP_GROUP_GENERIC_NAME_LOCAL_DELIVERY \
1102 "local_delivery"
1103#define DEVLINK_TRAP_GROUP_GENERIC_NAME_EXTERNAL_DELIVERY \
1104 "external_delivery"
1105#define DEVLINK_TRAP_GROUP_GENERIC_NAME_IPV6 \
1106 "ipv6"
1107#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_EVENT \
1108 "ptp_event"
1109#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_GENERAL \
1110 "ptp_general"
1111#define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_SAMPLE \
1112 "acl_sample"
1113#define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_TRAP \
1114 "acl_trap"
1115#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PARSER_ERROR_DROPS \
1116 "parser_error_drops"
1117
1118#define DEVLINK_TRAP_GENERIC(_type, _init_action, _id, _group_id, \
1119 _metadata_cap) \
1120 { \
1121 .type = DEVLINK_TRAP_TYPE_##_type, \
1122 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \
1123 .generic = true, \
1124 .id = DEVLINK_TRAP_GENERIC_ID_##_id, \
1125 .name = DEVLINK_TRAP_GENERIC_NAME_##_id, \
1126 .init_group_id = _group_id, \
1127 .metadata_cap = _metadata_cap, \
1128 }
1129
1130#define DEVLINK_TRAP_DRIVER(_type, _init_action, _id, _name, _group_id, \
1131 _metadata_cap) \
1132 { \
1133 .type = DEVLINK_TRAP_TYPE_##_type, \
1134 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \
1135 .generic = false, \
1136 .id = _id, \
1137 .name = _name, \
1138 .init_group_id = _group_id, \
1139 .metadata_cap = _metadata_cap, \
1140 }
1141
1142#define DEVLINK_TRAP_GROUP_GENERIC(_id, _policer_id) \
1143 { \
1144 .name = DEVLINK_TRAP_GROUP_GENERIC_NAME_##_id, \
1145 .id = DEVLINK_TRAP_GROUP_GENERIC_ID_##_id, \
1146 .generic = true, \
1147 .init_policer_id = _policer_id, \
1148 }
1149
1150#define DEVLINK_TRAP_POLICER(_id, _rate, _burst, _max_rate, _min_rate, \
1151 _max_burst, _min_burst) \
1152 { \
1153 .id = _id, \
1154 .init_rate = _rate, \
1155 .init_burst = _burst, \
1156 .max_rate = _max_rate, \
1157 .min_rate = _min_rate, \
1158 .max_burst = _max_burst, \
1159 .min_burst = _min_burst, \
1160 }
1161
1162struct devlink_ops {
1163 /**
1164 * @supported_flash_update_params:
1165 * mask of parameters supported by the driver's .flash_update
1166 * implemementation.
1167 */
1168 u32 supported_flash_update_params;
1169 unsigned long reload_actions;
1170 unsigned long reload_limits;
1171 int (*reload_down)(struct devlink *devlink, bool netns_change,
1172 enum devlink_reload_action action,
1173 enum devlink_reload_limit limit,
1174 struct netlink_ext_ack *extack);
1175 int (*reload_up)(struct devlink *devlink, enum devlink_reload_action action,
1176 enum devlink_reload_limit limit, u32 *actions_performed,
1177 struct netlink_ext_ack *extack);
1178 int (*port_type_set)(struct devlink_port *devlink_port,
1179 enum devlink_port_type port_type);
1180 int (*port_split)(struct devlink *devlink, unsigned int port_index,
1181 unsigned int count, struct netlink_ext_ack *extack);
1182 int (*port_unsplit)(struct devlink *devlink, unsigned int port_index,
1183 struct netlink_ext_ack *extack);
1184 int (*sb_pool_get)(struct devlink *devlink, unsigned int sb_index,
1185 u16 pool_index,
1186 struct devlink_sb_pool_info *pool_info);
1187 int (*sb_pool_set)(struct devlink *devlink, unsigned int sb_index,
1188 u16 pool_index, u32 size,
1189 enum devlink_sb_threshold_type threshold_type,
1190 struct netlink_ext_ack *extack);
1191 int (*sb_port_pool_get)(struct devlink_port *devlink_port,
1192 unsigned int sb_index, u16 pool_index,
1193 u32 *p_threshold);
1194 int (*sb_port_pool_set)(struct devlink_port *devlink_port,
1195 unsigned int sb_index, u16 pool_index,
1196 u32 threshold, struct netlink_ext_ack *extack);
1197 int (*sb_tc_pool_bind_get)(struct devlink_port *devlink_port,
1198 unsigned int sb_index,
1199 u16 tc_index,
1200 enum devlink_sb_pool_type pool_type,
1201 u16 *p_pool_index, u32 *p_threshold);
1202 int (*sb_tc_pool_bind_set)(struct devlink_port *devlink_port,
1203 unsigned int sb_index,
1204 u16 tc_index,
1205 enum devlink_sb_pool_type pool_type,
1206 u16 pool_index, u32 threshold,
1207 struct netlink_ext_ack *extack);
1208 int (*sb_occ_snapshot)(struct devlink *devlink,
1209 unsigned int sb_index);
1210 int (*sb_occ_max_clear)(struct devlink *devlink,
1211 unsigned int sb_index);
1212 int (*sb_occ_port_pool_get)(struct devlink_port *devlink_port,
1213 unsigned int sb_index, u16 pool_index,
1214 u32 *p_cur, u32 *p_max);
1215 int (*sb_occ_tc_port_bind_get)(struct devlink_port *devlink_port,
1216 unsigned int sb_index,
1217 u16 tc_index,
1218 enum devlink_sb_pool_type pool_type,
1219 u32 *p_cur, u32 *p_max);
1220
1221 int (*eswitch_mode_get)(struct devlink *devlink, u16 *p_mode);
1222 int (*eswitch_mode_set)(struct devlink *devlink, u16 mode,
1223 struct netlink_ext_ack *extack);
1224 int (*eswitch_inline_mode_get)(struct devlink *devlink, u8 *p_inline_mode);
1225 int (*eswitch_inline_mode_set)(struct devlink *devlink, u8 inline_mode,
1226 struct netlink_ext_ack *extack);
1227 int (*eswitch_encap_mode_get)(struct devlink *devlink,
1228 enum devlink_eswitch_encap_mode *p_encap_mode);
1229 int (*eswitch_encap_mode_set)(struct devlink *devlink,
1230 enum devlink_eswitch_encap_mode encap_mode,
1231 struct netlink_ext_ack *extack);
1232 int (*info_get)(struct devlink *devlink, struct devlink_info_req *req,
1233 struct netlink_ext_ack *extack);
1234 /**
1235 * @flash_update: Device flash update function
1236 *
1237 * Used to perform a flash update for the device. The set of
1238 * parameters supported by the driver should be set in
1239 * supported_flash_update_params.
1240 */
1241 int (*flash_update)(struct devlink *devlink,
1242 struct devlink_flash_update_params *params,
1243 struct netlink_ext_ack *extack);
1244 /**
1245 * @trap_init: Trap initialization function.
1246 *
1247 * Should be used by device drivers to initialize the trap in the
1248 * underlying device. Drivers should also store the provided trap
1249 * context, so that they could efficiently pass it to
1250 * devlink_trap_report() when the trap is triggered.
1251 */
1252 int (*trap_init)(struct devlink *devlink,
1253 const struct devlink_trap *trap, void *trap_ctx);
1254 /**
1255 * @trap_fini: Trap de-initialization function.
1256 *
1257 * Should be used by device drivers to de-initialize the trap in the
1258 * underlying device.
1259 */
1260 void (*trap_fini)(struct devlink *devlink,
1261 const struct devlink_trap *trap, void *trap_ctx);
1262 /**
1263 * @trap_action_set: Trap action set function.
1264 */
1265 int (*trap_action_set)(struct devlink *devlink,
1266 const struct devlink_trap *trap,
1267 enum devlink_trap_action action,
1268 struct netlink_ext_ack *extack);
1269 /**
1270 * @trap_group_init: Trap group initialization function.
1271 *
1272 * Should be used by device drivers to initialize the trap group in the
1273 * underlying device.
1274 */
1275 int (*trap_group_init)(struct devlink *devlink,
1276 const struct devlink_trap_group *group);
1277 /**
1278 * @trap_group_set: Trap group parameters set function.
1279 *
1280 * Note: @policer can be NULL when a policer is being unbound from
1281 * @group.
1282 */
1283 int (*trap_group_set)(struct devlink *devlink,
1284 const struct devlink_trap_group *group,
1285 const struct devlink_trap_policer *policer,
1286 struct netlink_ext_ack *extack);
1287 /**
1288 * @trap_group_action_set: Trap group action set function.
1289 *
1290 * If this callback is populated, it will take precedence over looping
1291 * over all traps in a group and calling .trap_action_set().
1292 */
1293 int (*trap_group_action_set)(struct devlink *devlink,
1294 const struct devlink_trap_group *group,
1295 enum devlink_trap_action action,
1296 struct netlink_ext_ack *extack);
1297 /**
1298 * @trap_policer_init: Trap policer initialization function.
1299 *
1300 * Should be used by device drivers to initialize the trap policer in
1301 * the underlying device.
1302 */
1303 int (*trap_policer_init)(struct devlink *devlink,
1304 const struct devlink_trap_policer *policer);
1305 /**
1306 * @trap_policer_fini: Trap policer de-initialization function.
1307 *
1308 * Should be used by device drivers to de-initialize the trap policer
1309 * in the underlying device.
1310 */
1311 void (*trap_policer_fini)(struct devlink *devlink,
1312 const struct devlink_trap_policer *policer);
1313 /**
1314 * @trap_policer_set: Trap policer parameters set function.
1315 */
1316 int (*trap_policer_set)(struct devlink *devlink,
1317 const struct devlink_trap_policer *policer,
1318 u64 rate, u64 burst,
1319 struct netlink_ext_ack *extack);
1320 /**
1321 * @trap_policer_counter_get: Trap policer counter get function.
1322 *
1323 * Should be used by device drivers to report number of packets dropped
1324 * by the policer.
1325 */
1326 int (*trap_policer_counter_get)(struct devlink *devlink,
1327 const struct devlink_trap_policer *policer,
1328 u64 *p_drops);
1329 /**
1330 * @port_function_hw_addr_get: Port function's hardware address get function.
1331 *
1332 * Should be used by device drivers to report the hardware address of a function managed
1333 * by the devlink port. Driver should return -EOPNOTSUPP if it doesn't support port
1334 * function handling for a particular port.
1335 *
1336 * Note: @extack can be NULL when port notifier queries the port function.
1337 */
1338 int (*port_function_hw_addr_get)(struct devlink *devlink, struct devlink_port *port,
1339 u8 *hw_addr, int *hw_addr_len,
1340 struct netlink_ext_ack *extack);
1341 /**
1342 * @port_function_hw_addr_set: Port function's hardware address set function.
1343 *
1344 * Should be used by device drivers to set the hardware address of a function managed
1345 * by the devlink port. Driver should return -EOPNOTSUPP if it doesn't support port
1346 * function handling for a particular port.
1347 */
1348 int (*port_function_hw_addr_set)(struct devlink *devlink, struct devlink_port *port,
1349 const u8 *hw_addr, int hw_addr_len,
1350 struct netlink_ext_ack *extack);
1351};
1352
1353static inline void *devlink_priv(struct devlink *devlink)
1354{
1355 BUG_ON(!devlink);
1356 return &devlink->priv;
1357}
1358
1359static inline struct devlink *priv_to_devlink(void *priv)
1360{
1361 BUG_ON(!priv);
1362 return container_of(priv, struct devlink, priv);
1363}
1364
1365static inline struct devlink_port *
1366netdev_to_devlink_port(struct net_device *dev)
1367{
1368 if (dev->netdev_ops->ndo_get_devlink_port)
1369 return dev->netdev_ops->ndo_get_devlink_port(dev);
1370 return NULL;
1371}
1372
1373static inline struct devlink *netdev_to_devlink(struct net_device *dev)
1374{
1375 struct devlink_port *devlink_port = netdev_to_devlink_port(dev);
1376
1377 if (devlink_port)
1378 return devlink_port->devlink;
1379 return NULL;
1380}
1381
1382struct ib_device;
1383
1384struct net *devlink_net(const struct devlink *devlink);
1385void devlink_net_set(struct devlink *devlink, struct net *net);
1386struct devlink *devlink_alloc(const struct devlink_ops *ops, size_t priv_size);
1387int devlink_register(struct devlink *devlink, struct device *dev);
1388void devlink_unregister(struct devlink *devlink);
1389void devlink_reload_enable(struct devlink *devlink);
1390void devlink_reload_disable(struct devlink *devlink);
1391void devlink_free(struct devlink *devlink);
1392int devlink_port_register(struct devlink *devlink,
1393 struct devlink_port *devlink_port,
1394 unsigned int port_index);
1395void devlink_port_unregister(struct devlink_port *devlink_port);
1396void devlink_port_type_eth_set(struct devlink_port *devlink_port,
1397 struct net_device *netdev);
1398void devlink_port_type_ib_set(struct devlink_port *devlink_port,
1399 struct ib_device *ibdev);
1400void devlink_port_type_clear(struct devlink_port *devlink_port);
1401void devlink_port_attrs_set(struct devlink_port *devlink_port,
1402 struct devlink_port_attrs *devlink_port_attrs);
1403void devlink_port_attrs_pci_pf_set(struct devlink_port *devlink_port, u32 controller,
1404 u16 pf, bool external);
1405void devlink_port_attrs_pci_vf_set(struct devlink_port *devlink_port, u32 controller,
1406 u16 pf, u16 vf, bool external);
1407int devlink_sb_register(struct devlink *devlink, unsigned int sb_index,
1408 u32 size, u16 ingress_pools_count,
1409 u16 egress_pools_count, u16 ingress_tc_count,
1410 u16 egress_tc_count);
1411void devlink_sb_unregister(struct devlink *devlink, unsigned int sb_index);
1412int devlink_dpipe_table_register(struct devlink *devlink,
1413 const char *table_name,
1414 struct devlink_dpipe_table_ops *table_ops,
1415 void *priv, bool counter_control_extern);
1416void devlink_dpipe_table_unregister(struct devlink *devlink,
1417 const char *table_name);
1418int devlink_dpipe_headers_register(struct devlink *devlink,
1419 struct devlink_dpipe_headers *dpipe_headers);
1420void devlink_dpipe_headers_unregister(struct devlink *devlink);
1421bool devlink_dpipe_table_counter_enabled(struct devlink *devlink,
1422 const char *table_name);
1423int devlink_dpipe_entry_ctx_prepare(struct devlink_dpipe_dump_ctx *dump_ctx);
1424int devlink_dpipe_entry_ctx_append(struct devlink_dpipe_dump_ctx *dump_ctx,
1425 struct devlink_dpipe_entry *entry);
1426int devlink_dpipe_entry_ctx_close(struct devlink_dpipe_dump_ctx *dump_ctx);
1427void devlink_dpipe_entry_clear(struct devlink_dpipe_entry *entry);
1428int devlink_dpipe_action_put(struct sk_buff *skb,
1429 struct devlink_dpipe_action *action);
1430int devlink_dpipe_match_put(struct sk_buff *skb,
1431 struct devlink_dpipe_match *match);
1432extern struct devlink_dpipe_header devlink_dpipe_header_ethernet;
1433extern struct devlink_dpipe_header devlink_dpipe_header_ipv4;
1434extern struct devlink_dpipe_header devlink_dpipe_header_ipv6;
1435
1436int devlink_resource_register(struct devlink *devlink,
1437 const char *resource_name,
1438 u64 resource_size,
1439 u64 resource_id,
1440 u64 parent_resource_id,
1441 const struct devlink_resource_size_params *size_params);
1442void devlink_resources_unregister(struct devlink *devlink,
1443 struct devlink_resource *resource);
1444int devlink_resource_size_get(struct devlink *devlink,
1445 u64 resource_id,
1446 u64 *p_resource_size);
1447int devlink_dpipe_table_resource_set(struct devlink *devlink,
1448 const char *table_name, u64 resource_id,
1449 u64 resource_units);
1450void devlink_resource_occ_get_register(struct devlink *devlink,
1451 u64 resource_id,
1452 devlink_resource_occ_get_t *occ_get,
1453 void *occ_get_priv);
1454void devlink_resource_occ_get_unregister(struct devlink *devlink,
1455 u64 resource_id);
1456int devlink_params_register(struct devlink *devlink,
1457 const struct devlink_param *params,
1458 size_t params_count);
1459void devlink_params_unregister(struct devlink *devlink,
1460 const struct devlink_param *params,
1461 size_t params_count);
1462void devlink_params_publish(struct devlink *devlink);
1463void devlink_params_unpublish(struct devlink *devlink);
1464int devlink_port_params_register(struct devlink_port *devlink_port,
1465 const struct devlink_param *params,
1466 size_t params_count);
1467void devlink_port_params_unregister(struct devlink_port *devlink_port,
1468 const struct devlink_param *params,
1469 size_t params_count);
1470int devlink_param_driverinit_value_get(struct devlink *devlink, u32 param_id,
1471 union devlink_param_value *init_val);
1472int devlink_param_driverinit_value_set(struct devlink *devlink, u32 param_id,
1473 union devlink_param_value init_val);
1474int
1475devlink_port_param_driverinit_value_get(struct devlink_port *devlink_port,
1476 u32 param_id,
1477 union devlink_param_value *init_val);
1478int devlink_port_param_driverinit_value_set(struct devlink_port *devlink_port,
1479 u32 param_id,
1480 union devlink_param_value init_val);
1481void devlink_param_value_changed(struct devlink *devlink, u32 param_id);
1482void devlink_port_param_value_changed(struct devlink_port *devlink_port,
1483 u32 param_id);
1484void devlink_param_value_str_fill(union devlink_param_value *dst_val,
1485 const char *src);
1486struct devlink_region *
1487devlink_region_create(struct devlink *devlink,
1488 const struct devlink_region_ops *ops,
1489 u32 region_max_snapshots, u64 region_size);
1490struct devlink_region *
1491devlink_port_region_create(struct devlink_port *port,
1492 const struct devlink_port_region_ops *ops,
1493 u32 region_max_snapshots, u64 region_size);
1494void devlink_region_destroy(struct devlink_region *region);
1495void devlink_port_region_destroy(struct devlink_region *region);
1496
1497int devlink_region_snapshot_id_get(struct devlink *devlink, u32 *id);
1498void devlink_region_snapshot_id_put(struct devlink *devlink, u32 id);
1499int devlink_region_snapshot_create(struct devlink_region *region,
1500 u8 *data, u32 snapshot_id);
1501int devlink_info_serial_number_put(struct devlink_info_req *req,
1502 const char *sn);
1503int devlink_info_driver_name_put(struct devlink_info_req *req,
1504 const char *name);
1505int devlink_info_board_serial_number_put(struct devlink_info_req *req,
1506 const char *bsn);
1507int devlink_info_version_fixed_put(struct devlink_info_req *req,
1508 const char *version_name,
1509 const char *version_value);
1510int devlink_info_version_stored_put(struct devlink_info_req *req,
1511 const char *version_name,
1512 const char *version_value);
1513int devlink_info_version_running_put(struct devlink_info_req *req,
1514 const char *version_name,
1515 const char *version_value);
1516
1517int devlink_fmsg_obj_nest_start(struct devlink_fmsg *fmsg);
1518int devlink_fmsg_obj_nest_end(struct devlink_fmsg *fmsg);
1519
1520int devlink_fmsg_pair_nest_start(struct devlink_fmsg *fmsg, const char *name);
1521int devlink_fmsg_pair_nest_end(struct devlink_fmsg *fmsg);
1522
1523int devlink_fmsg_arr_pair_nest_start(struct devlink_fmsg *fmsg,
1524 const char *name);
1525int devlink_fmsg_arr_pair_nest_end(struct devlink_fmsg *fmsg);
1526int devlink_fmsg_binary_pair_nest_start(struct devlink_fmsg *fmsg,
1527 const char *name);
1528int devlink_fmsg_binary_pair_nest_end(struct devlink_fmsg *fmsg);
1529
1530int devlink_fmsg_bool_put(struct devlink_fmsg *fmsg, bool value);
1531int devlink_fmsg_u8_put(struct devlink_fmsg *fmsg, u8 value);
1532int devlink_fmsg_u32_put(struct devlink_fmsg *fmsg, u32 value);
1533int devlink_fmsg_u64_put(struct devlink_fmsg *fmsg, u64 value);
1534int devlink_fmsg_string_put(struct devlink_fmsg *fmsg, const char *value);
1535int devlink_fmsg_binary_put(struct devlink_fmsg *fmsg, const void *value,
1536 u16 value_len);
1537
1538int devlink_fmsg_bool_pair_put(struct devlink_fmsg *fmsg, const char *name,
1539 bool value);
1540int devlink_fmsg_u8_pair_put(struct devlink_fmsg *fmsg, const char *name,
1541 u8 value);
1542int devlink_fmsg_u32_pair_put(struct devlink_fmsg *fmsg, const char *name,
1543 u32 value);
1544int devlink_fmsg_u64_pair_put(struct devlink_fmsg *fmsg, const char *name,
1545 u64 value);
1546int devlink_fmsg_string_pair_put(struct devlink_fmsg *fmsg, const char *name,
1547 const char *value);
1548int devlink_fmsg_binary_pair_put(struct devlink_fmsg *fmsg, const char *name,
1549 const void *value, u32 value_len);
1550
1551struct devlink_health_reporter *
1552devlink_health_reporter_create(struct devlink *devlink,
1553 const struct devlink_health_reporter_ops *ops,
1554 u64 graceful_period, void *priv);
1555
1556struct devlink_health_reporter *
1557devlink_port_health_reporter_create(struct devlink_port *port,
1558 const struct devlink_health_reporter_ops *ops,
1559 u64 graceful_period, void *priv);
1560
1561void
1562devlink_health_reporter_destroy(struct devlink_health_reporter *reporter);
1563
1564void
1565devlink_port_health_reporter_destroy(struct devlink_health_reporter *reporter);
1566
1567void *
1568devlink_health_reporter_priv(struct devlink_health_reporter *reporter);
1569int devlink_health_report(struct devlink_health_reporter *reporter,
1570 const char *msg, void *priv_ctx);
1571void
1572devlink_health_reporter_state_update(struct devlink_health_reporter *reporter,
1573 enum devlink_health_reporter_state state);
1574void
1575devlink_health_reporter_recovery_done(struct devlink_health_reporter *reporter);
1576
1577bool devlink_is_reload_failed(const struct devlink *devlink);
1578void devlink_remote_reload_actions_performed(struct devlink *devlink,
1579 enum devlink_reload_limit limit,
1580 u32 actions_performed);
1581
1582void devlink_flash_update_status_notify(struct devlink *devlink,
1583 const char *status_msg,
1584 const char *component,
1585 unsigned long done,
1586 unsigned long total);
1587void devlink_flash_update_timeout_notify(struct devlink *devlink,
1588 const char *status_msg,
1589 const char *component,
1590 unsigned long timeout);
1591
1592int devlink_traps_register(struct devlink *devlink,
1593 const struct devlink_trap *traps,
1594 size_t traps_count, void *priv);
1595void devlink_traps_unregister(struct devlink *devlink,
1596 const struct devlink_trap *traps,
1597 size_t traps_count);
1598void devlink_trap_report(struct devlink *devlink, struct sk_buff *skb,
1599 void *trap_ctx, struct devlink_port *in_devlink_port,
1600 const struct flow_action_cookie *fa_cookie);
1601void *devlink_trap_ctx_priv(void *trap_ctx);
1602int devlink_trap_groups_register(struct devlink *devlink,
1603 const struct devlink_trap_group *groups,
1604 size_t groups_count);
1605void devlink_trap_groups_unregister(struct devlink *devlink,
1606 const struct devlink_trap_group *groups,
1607 size_t groups_count);
1608int
1609devlink_trap_policers_register(struct devlink *devlink,
1610 const struct devlink_trap_policer *policers,
1611 size_t policers_count);
1612void
1613devlink_trap_policers_unregister(struct devlink *devlink,
1614 const struct devlink_trap_policer *policers,
1615 size_t policers_count);
1616
1617#if IS_ENABLED(CONFIG_NET_DEVLINK)
1618
1619void devlink_compat_running_version(struct net_device *dev,
1620 char *buf, size_t len);
1621int devlink_compat_flash_update(struct net_device *dev, const char *file_name);
1622int devlink_compat_phys_port_name_get(struct net_device *dev,
1623 char *name, size_t len);
1624int devlink_compat_switch_id_get(struct net_device *dev,
1625 struct netdev_phys_item_id *ppid);
1626
1627#else
1628
1629static inline void
1630devlink_compat_running_version(struct net_device *dev, char *buf, size_t len)
1631{
1632}
1633
1634static inline int
1635devlink_compat_flash_update(struct net_device *dev, const char *file_name)
1636{
1637 return -EOPNOTSUPP;
1638}
1639
1640static inline int
1641devlink_compat_phys_port_name_get(struct net_device *dev,
1642 char *name, size_t len)
1643{
1644 return -EOPNOTSUPP;
1645}
1646
1647static inline int
1648devlink_compat_switch_id_get(struct net_device *dev,
1649 struct netdev_phys_item_id *ppid)
1650{
1651 return -EOPNOTSUPP;
1652}
1653
1654#endif
1655
1656#endif /* _NET_DEVLINK_H_ */