xref: /kernel/linux/linux-5.10/include/net/devlink.h (revision 8c2ecf20)
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 <jiri@mellanox.com>
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
23#define DEVLINK_RELOAD_STATS_ARRAY_SIZE \
24	(__DEVLINK_RELOAD_LIMIT_MAX * __DEVLINK_RELOAD_ACTION_MAX)
25
26struct devlink_dev_stats {
27	u32 reload_stats[DEVLINK_RELOAD_STATS_ARRAY_SIZE];
28	u32 remote_reload_stats[DEVLINK_RELOAD_STATS_ARRAY_SIZE];
29};
30
31struct devlink_ops;
32
33struct devlink {
34	struct list_head list;
35	struct list_head port_list;
36	struct list_head sb_list;
37	struct list_head dpipe_table_list;
38	struct list_head resource_list;
39	struct list_head param_list;
40	struct list_head region_list;
41	struct list_head reporter_list;
42	struct mutex reporters_lock; /* protects reporter_list */
43	struct devlink_dpipe_headers *dpipe_headers;
44	struct list_head trap_list;
45	struct list_head trap_group_list;
46	struct list_head trap_policer_list;
47	const struct devlink_ops *ops;
48	struct xarray snapshot_ids;
49	struct devlink_dev_stats stats;
50	struct device *dev;
51	possible_net_t _net;
52	struct mutex lock; /* Serializes access to devlink instance specific objects such as
53			    * port, sb, dpipe, resource, params, region, traps and more.
54			    */
55	u8 reload_failed:1,
56	   reload_enabled:1,
57	   registered:1;
58	char priv[0] __aligned(NETDEV_ALIGN);
59};
60
61struct devlink_port_phys_attrs {
62	u32 port_number; /* Same value as "split group".
63			  * A physical port which is visible to the user
64			  * for a given port flavour.
65			  */
66	u32 split_subport_number; /* If the port is split, this is the number of subport. */
67};
68
69/**
70 * struct devlink_port_pci_pf_attrs - devlink port's PCI PF attributes
71 * @controller: Associated controller number
72 * @pf: Associated PCI PF number for this port.
73 * @external: when set, indicates if a port is for an external controller
74 */
75struct devlink_port_pci_pf_attrs {
76	u32 controller;
77	u16 pf;
78	u8 external:1;
79};
80
81/**
82 * struct devlink_port_pci_vf_attrs - devlink port's PCI VF attributes
83 * @controller: Associated controller number
84 * @pf: Associated PCI PF number for this port.
85 * @vf: Associated PCI VF for of the PCI PF for this port.
86 * @external: when set, indicates if a port is for an external controller
87 */
88struct devlink_port_pci_vf_attrs {
89	u32 controller;
90	u16 pf;
91	u16 vf;
92	u8 external:1;
93};
94
95/**
96 * struct devlink_port_attrs - devlink port object
97 * @flavour: flavour of the port
98 * @split: indicates if this is split port
99 * @splittable: indicates if the port can be split.
100 * @lanes: maximum number of lanes the port supports. 0 value is not passed to netlink.
101 * @switch_id: if the port is part of switch, this is buffer with ID, otherwise this is NULL
102 * @phys: physical port attributes
103 * @pci_pf: PCI PF port attributes
104 * @pci_vf: PCI VF port attributes
105 */
106struct devlink_port_attrs {
107	u8 split:1,
108	   splittable:1;
109	u32 lanes;
110	enum devlink_port_flavour flavour;
111	struct netdev_phys_item_id switch_id;
112	union {
113		struct devlink_port_phys_attrs phys;
114		struct devlink_port_pci_pf_attrs pci_pf;
115		struct devlink_port_pci_vf_attrs pci_vf;
116	};
117};
118
119struct devlink_port {
120	struct list_head list;
121	struct list_head param_list;
122	struct list_head region_list;
123	struct devlink *devlink;
124	unsigned int index;
125	bool registered;
126	spinlock_t type_lock; /* Protects type and type_dev
127			       * pointer consistency.
128			       */
129	enum devlink_port_type type;
130	enum devlink_port_type desired_type;
131	void *type_dev;
132	struct devlink_port_attrs attrs;
133	u8 attrs_set:1,
134	   switch_port:1;
135	struct delayed_work type_warn_dw;
136	struct list_head reporter_list;
137	struct mutex reporters_lock; /* Protects reporter_list */
138};
139
140struct devlink_sb_pool_info {
141	enum devlink_sb_pool_type pool_type;
142	u32 size;
143	enum devlink_sb_threshold_type threshold_type;
144	u32 cell_size;
145};
146
147/**
148 * struct devlink_dpipe_field - dpipe field object
149 * @name: field name
150 * @id: index inside the headers field array
151 * @bitwidth: bitwidth
152 * @mapping_type: mapping type
153 */
154struct devlink_dpipe_field {
155	const char *name;
156	unsigned int id;
157	unsigned int bitwidth;
158	enum devlink_dpipe_field_mapping_type mapping_type;
159};
160
161/**
162 * struct devlink_dpipe_header - dpipe header object
163 * @name: header name
164 * @id: index, global/local detrmined by global bit
165 * @fields: fields
166 * @fields_count: number of fields
167 * @global: indicates if header is shared like most protocol header
168 *	    or driver specific
169 */
170struct devlink_dpipe_header {
171	const char *name;
172	unsigned int id;
173	struct devlink_dpipe_field *fields;
174	unsigned int fields_count;
175	bool global;
176};
177
178/**
179 * struct devlink_dpipe_match - represents match operation
180 * @type: type of match
181 * @header_index: header index (packets can have several headers of same
182 *		  type like in case of tunnels)
183 * @header: header
184 * @fieled_id: field index
185 */
186struct devlink_dpipe_match {
187	enum devlink_dpipe_match_type type;
188	unsigned int header_index;
189	struct devlink_dpipe_header *header;
190	unsigned int field_id;
191};
192
193/**
194 * struct devlink_dpipe_action - represents action operation
195 * @type: type of action
196 * @header_index: header index (packets can have several headers of same
197 *		  type like in case of tunnels)
198 * @header: header
199 * @fieled_id: field index
200 */
201struct devlink_dpipe_action {
202	enum devlink_dpipe_action_type type;
203	unsigned int header_index;
204	struct devlink_dpipe_header *header;
205	unsigned int field_id;
206};
207
208/**
209 * struct devlink_dpipe_value - represents value of match/action
210 * @action: action
211 * @match: match
212 * @mapping_value: in case the field has some mapping this value
213 *                 specified the mapping value
214 * @mapping_valid: specify if mapping value is valid
215 * @value_size: value size
216 * @value: value
217 * @mask: bit mask
218 */
219struct devlink_dpipe_value {
220	union {
221		struct devlink_dpipe_action *action;
222		struct devlink_dpipe_match *match;
223	};
224	unsigned int mapping_value;
225	bool mapping_valid;
226	unsigned int value_size;
227	void *value;
228	void *mask;
229};
230
231/**
232 * struct devlink_dpipe_entry - table entry object
233 * @index: index of the entry in the table
234 * @match_values: match values
235 * @matche_values_count: count of matches tuples
236 * @action_values: actions values
237 * @action_values_count: count of actions values
238 * @counter: value of counter
239 * @counter_valid: Specify if value is valid from hardware
240 */
241struct devlink_dpipe_entry {
242	u64 index;
243	struct devlink_dpipe_value *match_values;
244	unsigned int match_values_count;
245	struct devlink_dpipe_value *action_values;
246	unsigned int action_values_count;
247	u64 counter;
248	bool counter_valid;
249};
250
251/**
252 * struct devlink_dpipe_dump_ctx - context provided to driver in order
253 *				   to dump
254 * @info: info
255 * @cmd: devlink command
256 * @skb: skb
257 * @nest: top attribute
258 * @hdr: hdr
259 */
260struct devlink_dpipe_dump_ctx {
261	struct genl_info *info;
262	enum devlink_command cmd;
263	struct sk_buff *skb;
264	struct nlattr *nest;
265	void *hdr;
266};
267
268struct devlink_dpipe_table_ops;
269
270/**
271 * struct devlink_dpipe_table - table object
272 * @priv: private
273 * @name: table name
274 * @counters_enabled: indicates if counters are active
275 * @counter_control_extern: indicates if counter control is in dpipe or
276 *			    external tool
277 * @resource_valid: Indicate that the resource id is valid
278 * @resource_id: relative resource this table is related to
279 * @resource_units: number of resource's unit consumed per table's entry
280 * @table_ops: table operations
281 * @rcu: rcu
282 */
283struct devlink_dpipe_table {
284	void *priv;
285	struct list_head list;
286	const char *name;
287	bool counters_enabled;
288	bool counter_control_extern;
289	bool resource_valid;
290	u64 resource_id;
291	u64 resource_units;
292	struct devlink_dpipe_table_ops *table_ops;
293	struct rcu_head rcu;
294};
295
296/**
297 * struct devlink_dpipe_table_ops - dpipe_table ops
298 * @actions_dump - dumps all tables actions
299 * @matches_dump - dumps all tables matches
300 * @entries_dump - dumps all active entries in the table
301 * @counters_set_update - when changing the counter status hardware sync
302 *			  maybe needed to allocate/free counter related
303 *			  resources
304 * @size_get - get size
305 */
306struct devlink_dpipe_table_ops {
307	int (*actions_dump)(void *priv, struct sk_buff *skb);
308	int (*matches_dump)(void *priv, struct sk_buff *skb);
309	int (*entries_dump)(void *priv, bool counters_enabled,
310			    struct devlink_dpipe_dump_ctx *dump_ctx);
311	int (*counters_set_update)(void *priv, bool enable);
312	u64 (*size_get)(void *priv);
313};
314
315/**
316 * struct devlink_dpipe_headers - dpipe headers
317 * @headers - header array can be shared (global bit) or driver specific
318 * @headers_count - count of headers
319 */
320struct devlink_dpipe_headers {
321	struct devlink_dpipe_header **headers;
322	unsigned int headers_count;
323};
324
325/**
326 * struct devlink_resource_size_params - resource's size parameters
327 * @size_min: minimum size which can be set
328 * @size_max: maximum size which can be set
329 * @size_granularity: size granularity
330 * @size_unit: resource's basic unit
331 */
332struct devlink_resource_size_params {
333	u64 size_min;
334	u64 size_max;
335	u64 size_granularity;
336	enum devlink_resource_unit unit;
337};
338
339static inline void
340devlink_resource_size_params_init(struct devlink_resource_size_params *size_params,
341				  u64 size_min, u64 size_max,
342				  u64 size_granularity,
343				  enum devlink_resource_unit unit)
344{
345	size_params->size_min = size_min;
346	size_params->size_max = size_max;
347	size_params->size_granularity = size_granularity;
348	size_params->unit = unit;
349}
350
351typedef u64 devlink_resource_occ_get_t(void *priv);
352
353/**
354 * struct devlink_resource - devlink resource
355 * @name: name of the resource
356 * @id: id, per devlink instance
357 * @size: size of the resource
358 * @size_new: updated size of the resource, reload is needed
359 * @size_valid: valid in case the total size of the resource is valid
360 *              including its children
361 * @parent: parent resource
362 * @size_params: size parameters
363 * @list: parent list
364 * @resource_list: list of child resources
365 */
366struct devlink_resource {
367	const char *name;
368	u64 id;
369	u64 size;
370	u64 size_new;
371	bool size_valid;
372	struct devlink_resource *parent;
373	struct devlink_resource_size_params size_params;
374	struct list_head list;
375	struct list_head resource_list;
376	devlink_resource_occ_get_t *occ_get;
377	void *occ_get_priv;
378};
379
380#define DEVLINK_RESOURCE_ID_PARENT_TOP 0
381
382#define __DEVLINK_PARAM_MAX_STRING_VALUE 32
383enum devlink_param_type {
384	DEVLINK_PARAM_TYPE_U8,
385	DEVLINK_PARAM_TYPE_U16,
386	DEVLINK_PARAM_TYPE_U32,
387	DEVLINK_PARAM_TYPE_STRING,
388	DEVLINK_PARAM_TYPE_BOOL,
389};
390
391union devlink_param_value {
392	u8 vu8;
393	u16 vu16;
394	u32 vu32;
395	char vstr[__DEVLINK_PARAM_MAX_STRING_VALUE];
396	bool vbool;
397};
398
399struct devlink_param_gset_ctx {
400	union devlink_param_value val;
401	enum devlink_param_cmode cmode;
402};
403
404/**
405 * struct devlink_flash_notify - devlink dev flash notify data
406 * @status_msg: current status string
407 * @component: firmware component being updated
408 * @done: amount of work completed of total amount
409 * @total: amount of work expected to be done
410 * @timeout: expected max timeout in seconds
411 *
412 * These are values to be given to userland to be displayed in order
413 * to show current activity in a firmware update process.
414 */
415struct devlink_flash_notify {
416	const char *status_msg;
417	const char *component;
418	unsigned long done;
419	unsigned long total;
420	unsigned long timeout;
421};
422
423/**
424 * struct devlink_param - devlink configuration parameter data
425 * @name: name of the parameter
426 * @generic: indicates if the parameter is generic or driver specific
427 * @type: parameter type
428 * @supported_cmodes: bitmap of supported configuration modes
429 * @get: get parameter value, used for runtime and permanent
430 *       configuration modes
431 * @set: set parameter value, used for runtime and permanent
432 *       configuration modes
433 * @validate: validate input value is applicable (within value range, etc.)
434 *
435 * This struct should be used by the driver to fill the data for
436 * a parameter it registers.
437 */
438struct devlink_param {
439	u32 id;
440	const char *name;
441	bool generic;
442	enum devlink_param_type type;
443	unsigned long supported_cmodes;
444	int (*get)(struct devlink *devlink, u32 id,
445		   struct devlink_param_gset_ctx *ctx);
446	int (*set)(struct devlink *devlink, u32 id,
447		   struct devlink_param_gset_ctx *ctx);
448	int (*validate)(struct devlink *devlink, u32 id,
449			union devlink_param_value val,
450			struct netlink_ext_ack *extack);
451};
452
453struct devlink_param_item {
454	struct list_head list;
455	const struct devlink_param *param;
456	union devlink_param_value driverinit_value;
457	bool driverinit_value_valid;
458	bool published;
459};
460
461enum devlink_param_generic_id {
462	DEVLINK_PARAM_GENERIC_ID_INT_ERR_RESET,
463	DEVLINK_PARAM_GENERIC_ID_MAX_MACS,
464	DEVLINK_PARAM_GENERIC_ID_ENABLE_SRIOV,
465	DEVLINK_PARAM_GENERIC_ID_REGION_SNAPSHOT,
466	DEVLINK_PARAM_GENERIC_ID_IGNORE_ARI,
467	DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX,
468	DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN,
469	DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY,
470	DEVLINK_PARAM_GENERIC_ID_RESET_DEV_ON_DRV_PROBE,
471	DEVLINK_PARAM_GENERIC_ID_ENABLE_ROCE,
472	DEVLINK_PARAM_GENERIC_ID_ENABLE_REMOTE_DEV_RESET,
473
474	/* add new param generic ids above here*/
475	__DEVLINK_PARAM_GENERIC_ID_MAX,
476	DEVLINK_PARAM_GENERIC_ID_MAX = __DEVLINK_PARAM_GENERIC_ID_MAX - 1,
477};
478
479#define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_NAME "internal_error_reset"
480#define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL
481
482#define DEVLINK_PARAM_GENERIC_MAX_MACS_NAME "max_macs"
483#define DEVLINK_PARAM_GENERIC_MAX_MACS_TYPE DEVLINK_PARAM_TYPE_U32
484
485#define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_NAME "enable_sriov"
486#define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_TYPE DEVLINK_PARAM_TYPE_BOOL
487
488#define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_NAME "region_snapshot_enable"
489#define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_TYPE DEVLINK_PARAM_TYPE_BOOL
490
491#define DEVLINK_PARAM_GENERIC_IGNORE_ARI_NAME "ignore_ari"
492#define DEVLINK_PARAM_GENERIC_IGNORE_ARI_TYPE DEVLINK_PARAM_TYPE_BOOL
493
494#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_NAME "msix_vec_per_pf_max"
495#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_TYPE DEVLINK_PARAM_TYPE_U32
496
497#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_NAME "msix_vec_per_pf_min"
498#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_TYPE DEVLINK_PARAM_TYPE_U32
499
500#define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_NAME "fw_load_policy"
501#define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_TYPE DEVLINK_PARAM_TYPE_U8
502
503#define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_NAME \
504	"reset_dev_on_drv_probe"
505#define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_TYPE DEVLINK_PARAM_TYPE_U8
506
507#define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_NAME "enable_roce"
508#define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_TYPE DEVLINK_PARAM_TYPE_BOOL
509
510#define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_NAME "enable_remote_dev_reset"
511#define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL
512
513#define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate)	\
514{									\
515	.id = DEVLINK_PARAM_GENERIC_ID_##_id,				\
516	.name = DEVLINK_PARAM_GENERIC_##_id##_NAME,			\
517	.type = DEVLINK_PARAM_GENERIC_##_id##_TYPE,			\
518	.generic = true,						\
519	.supported_cmodes = _cmodes,					\
520	.get = _get,							\
521	.set = _set,							\
522	.validate = _validate,						\
523}
524
525#define DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, _get, _set, _validate)	\
526{									\
527	.id = _id,							\
528	.name = _name,							\
529	.type = _type,							\
530	.supported_cmodes = _cmodes,					\
531	.get = _get,							\
532	.set = _set,							\
533	.validate = _validate,						\
534}
535
536/* Part number, identifier of board design */
537#define DEVLINK_INFO_VERSION_GENERIC_BOARD_ID	"board.id"
538/* Revision of board design */
539#define DEVLINK_INFO_VERSION_GENERIC_BOARD_REV	"board.rev"
540/* Maker of the board */
541#define DEVLINK_INFO_VERSION_GENERIC_BOARD_MANUFACTURE	"board.manufacture"
542
543/* Part number, identifier of asic design */
544#define DEVLINK_INFO_VERSION_GENERIC_ASIC_ID	"asic.id"
545/* Revision of asic design */
546#define DEVLINK_INFO_VERSION_GENERIC_ASIC_REV	"asic.rev"
547
548/* Overall FW version */
549#define DEVLINK_INFO_VERSION_GENERIC_FW		"fw"
550/* Control processor FW version */
551#define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT	"fw.mgmt"
552/* FW interface specification version */
553#define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT_API	"fw.mgmt.api"
554/* Data path microcode controlling high-speed packet processing */
555#define DEVLINK_INFO_VERSION_GENERIC_FW_APP	"fw.app"
556/* UNDI software version */
557#define DEVLINK_INFO_VERSION_GENERIC_FW_UNDI	"fw.undi"
558/* NCSI support/handler version */
559#define DEVLINK_INFO_VERSION_GENERIC_FW_NCSI	"fw.ncsi"
560/* FW parameter set id */
561#define DEVLINK_INFO_VERSION_GENERIC_FW_PSID	"fw.psid"
562/* RoCE FW version */
563#define DEVLINK_INFO_VERSION_GENERIC_FW_ROCE	"fw.roce"
564/* Firmware bundle identifier */
565#define DEVLINK_INFO_VERSION_GENERIC_FW_BUNDLE_ID	"fw.bundle_id"
566
567/**
568 * struct devlink_flash_update_params - Flash Update parameters
569 * @file_name: the name of the flash firmware file to update from
570 * @component: the flash component to update
571 *
572 * With the exception of file_name, drivers must opt-in to parameters by
573 * setting the appropriate bit in the supported_flash_update_params field in
574 * their devlink_ops structure.
575 */
576struct devlink_flash_update_params {
577	const char *file_name;
578	const char *component;
579	u32 overwrite_mask;
580};
581
582#define DEVLINK_SUPPORT_FLASH_UPDATE_COMPONENT		BIT(0)
583#define DEVLINK_SUPPORT_FLASH_UPDATE_OVERWRITE_MASK	BIT(1)
584
585struct devlink_region;
586struct devlink_info_req;
587
588/**
589 * struct devlink_region_ops - Region operations
590 * @name: region name
591 * @destructor: callback used to free snapshot memory when deleting
592 * @snapshot: callback to request an immediate snapshot. On success,
593 *            the data variable must be updated to point to the snapshot data.
594 *            The function will be called while the devlink instance lock is
595 *            held.
596 * @priv: Pointer to driver private data for the region operation
597 */
598struct devlink_region_ops {
599	const char *name;
600	void (*destructor)(const void *data);
601	int (*snapshot)(struct devlink *devlink,
602			const struct devlink_region_ops *ops,
603			struct netlink_ext_ack *extack,
604			u8 **data);
605	void *priv;
606};
607
608/**
609 * struct devlink_port_region_ops - Region operations for a port
610 * @name: region name
611 * @destructor: callback used to free snapshot memory when deleting
612 * @snapshot: callback to request an immediate snapshot. On success,
613 *            the data variable must be updated to point to the snapshot data.
614 *            The function will be called while the devlink instance lock is
615 *            held.
616 * @priv: Pointer to driver private data for the region operation
617 */
618struct devlink_port_region_ops {
619	const char *name;
620	void (*destructor)(const void *data);
621	int (*snapshot)(struct devlink_port *port,
622			const struct devlink_port_region_ops *ops,
623			struct netlink_ext_ack *extack,
624			u8 **data);
625	void *priv;
626};
627
628struct devlink_fmsg;
629struct devlink_health_reporter;
630
631enum devlink_health_reporter_state {
632	DEVLINK_HEALTH_REPORTER_STATE_HEALTHY,
633	DEVLINK_HEALTH_REPORTER_STATE_ERROR,
634};
635
636/**
637 * struct devlink_health_reporter_ops - Reporter operations
638 * @name: reporter name
639 * @recover: callback to recover from reported error
640 *           if priv_ctx is NULL, run a full recover
641 * @dump: callback to dump an object
642 *        if priv_ctx is NULL, run a full dump
643 * @diagnose: callback to diagnose the current status
644 * @test: callback to trigger a test event
645 */
646
647struct devlink_health_reporter_ops {
648	char *name;
649	int (*recover)(struct devlink_health_reporter *reporter,
650		       void *priv_ctx, struct netlink_ext_ack *extack);
651	int (*dump)(struct devlink_health_reporter *reporter,
652		    struct devlink_fmsg *fmsg, void *priv_ctx,
653		    struct netlink_ext_ack *extack);
654	int (*diagnose)(struct devlink_health_reporter *reporter,
655			struct devlink_fmsg *fmsg,
656			struct netlink_ext_ack *extack);
657	int (*test)(struct devlink_health_reporter *reporter,
658		    struct netlink_ext_ack *extack);
659};
660
661/**
662 * struct devlink_trap_metadata - Packet trap metadata.
663 * @trap_name: Trap name.
664 * @trap_group_name: Trap group name.
665 * @input_dev: Input netdevice.
666 * @fa_cookie: Flow action user cookie.
667 * @trap_type: Trap type.
668 */
669struct devlink_trap_metadata {
670	const char *trap_name;
671	const char *trap_group_name;
672	struct net_device *input_dev;
673	const struct flow_action_cookie *fa_cookie;
674	enum devlink_trap_type trap_type;
675};
676
677/**
678 * struct devlink_trap_policer - Immutable packet trap policer attributes.
679 * @id: Policer identifier.
680 * @init_rate: Initial rate in packets / sec.
681 * @init_burst: Initial burst size in packets.
682 * @max_rate: Maximum rate.
683 * @min_rate: Minimum rate.
684 * @max_burst: Maximum burst size.
685 * @min_burst: Minimum burst size.
686 *
687 * Describes immutable attributes of packet trap policers that drivers register
688 * with devlink.
689 */
690struct devlink_trap_policer {
691	u32 id;
692	u64 init_rate;
693	u64 init_burst;
694	u64 max_rate;
695	u64 min_rate;
696	u64 max_burst;
697	u64 min_burst;
698};
699
700/**
701 * struct devlink_trap_group - Immutable packet trap group attributes.
702 * @name: Trap group name.
703 * @id: Trap group identifier.
704 * @generic: Whether the trap group is generic or not.
705 * @init_policer_id: Initial policer identifier.
706 *
707 * Describes immutable attributes of packet trap groups that drivers register
708 * with devlink.
709 */
710struct devlink_trap_group {
711	const char *name;
712	u16 id;
713	bool generic;
714	u32 init_policer_id;
715};
716
717#define DEVLINK_TRAP_METADATA_TYPE_F_IN_PORT	BIT(0)
718#define DEVLINK_TRAP_METADATA_TYPE_F_FA_COOKIE	BIT(1)
719
720/**
721 * struct devlink_trap - Immutable packet trap attributes.
722 * @type: Trap type.
723 * @init_action: Initial trap action.
724 * @generic: Whether the trap is generic or not.
725 * @id: Trap identifier.
726 * @name: Trap name.
727 * @init_group_id: Initial group identifier.
728 * @metadata_cap: Metadata types that can be provided by the trap.
729 *
730 * Describes immutable attributes of packet traps that drivers register with
731 * devlink.
732 */
733struct devlink_trap {
734	enum devlink_trap_type type;
735	enum devlink_trap_action init_action;
736	bool generic;
737	u16 id;
738	const char *name;
739	u16 init_group_id;
740	u32 metadata_cap;
741};
742
743/* All traps must be documented in
744 * Documentation/networking/devlink/devlink-trap.rst
745 */
746enum devlink_trap_generic_id {
747	DEVLINK_TRAP_GENERIC_ID_SMAC_MC,
748	DEVLINK_TRAP_GENERIC_ID_VLAN_TAG_MISMATCH,
749	DEVLINK_TRAP_GENERIC_ID_INGRESS_VLAN_FILTER,
750	DEVLINK_TRAP_GENERIC_ID_INGRESS_STP_FILTER,
751	DEVLINK_TRAP_GENERIC_ID_EMPTY_TX_LIST,
752	DEVLINK_TRAP_GENERIC_ID_PORT_LOOPBACK_FILTER,
753	DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_ROUTE,
754	DEVLINK_TRAP_GENERIC_ID_TTL_ERROR,
755	DEVLINK_TRAP_GENERIC_ID_TAIL_DROP,
756	DEVLINK_TRAP_GENERIC_ID_NON_IP_PACKET,
757	DEVLINK_TRAP_GENERIC_ID_UC_DIP_MC_DMAC,
758	DEVLINK_TRAP_GENERIC_ID_DIP_LB,
759	DEVLINK_TRAP_GENERIC_ID_SIP_MC,
760	DEVLINK_TRAP_GENERIC_ID_SIP_LB,
761	DEVLINK_TRAP_GENERIC_ID_CORRUPTED_IP_HDR,
762	DEVLINK_TRAP_GENERIC_ID_IPV4_SIP_BC,
763	DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_RESERVED_SCOPE,
764	DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE,
765	DEVLINK_TRAP_GENERIC_ID_MTU_ERROR,
766	DEVLINK_TRAP_GENERIC_ID_UNRESOLVED_NEIGH,
767	DEVLINK_TRAP_GENERIC_ID_RPF,
768	DEVLINK_TRAP_GENERIC_ID_REJECT_ROUTE,
769	DEVLINK_TRAP_GENERIC_ID_IPV4_LPM_UNICAST_MISS,
770	DEVLINK_TRAP_GENERIC_ID_IPV6_LPM_UNICAST_MISS,
771	DEVLINK_TRAP_GENERIC_ID_NON_ROUTABLE,
772	DEVLINK_TRAP_GENERIC_ID_DECAP_ERROR,
773	DEVLINK_TRAP_GENERIC_ID_OVERLAY_SMAC_MC,
774	DEVLINK_TRAP_GENERIC_ID_INGRESS_FLOW_ACTION_DROP,
775	DEVLINK_TRAP_GENERIC_ID_EGRESS_FLOW_ACTION_DROP,
776	DEVLINK_TRAP_GENERIC_ID_STP,
777	DEVLINK_TRAP_GENERIC_ID_LACP,
778	DEVLINK_TRAP_GENERIC_ID_LLDP,
779	DEVLINK_TRAP_GENERIC_ID_IGMP_QUERY,
780	DEVLINK_TRAP_GENERIC_ID_IGMP_V1_REPORT,
781	DEVLINK_TRAP_GENERIC_ID_IGMP_V2_REPORT,
782	DEVLINK_TRAP_GENERIC_ID_IGMP_V3_REPORT,
783	DEVLINK_TRAP_GENERIC_ID_IGMP_V2_LEAVE,
784	DEVLINK_TRAP_GENERIC_ID_MLD_QUERY,
785	DEVLINK_TRAP_GENERIC_ID_MLD_V1_REPORT,
786	DEVLINK_TRAP_GENERIC_ID_MLD_V2_REPORT,
787	DEVLINK_TRAP_GENERIC_ID_MLD_V1_DONE,
788	DEVLINK_TRAP_GENERIC_ID_IPV4_DHCP,
789	DEVLINK_TRAP_GENERIC_ID_IPV6_DHCP,
790	DEVLINK_TRAP_GENERIC_ID_ARP_REQUEST,
791	DEVLINK_TRAP_GENERIC_ID_ARP_RESPONSE,
792	DEVLINK_TRAP_GENERIC_ID_ARP_OVERLAY,
793	DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_SOLICIT,
794	DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_ADVERT,
795	DEVLINK_TRAP_GENERIC_ID_IPV4_BFD,
796	DEVLINK_TRAP_GENERIC_ID_IPV6_BFD,
797	DEVLINK_TRAP_GENERIC_ID_IPV4_OSPF,
798	DEVLINK_TRAP_GENERIC_ID_IPV6_OSPF,
799	DEVLINK_TRAP_GENERIC_ID_IPV4_BGP,
800	DEVLINK_TRAP_GENERIC_ID_IPV6_BGP,
801	DEVLINK_TRAP_GENERIC_ID_IPV4_VRRP,
802	DEVLINK_TRAP_GENERIC_ID_IPV6_VRRP,
803	DEVLINK_TRAP_GENERIC_ID_IPV4_PIM,
804	DEVLINK_TRAP_GENERIC_ID_IPV6_PIM,
805	DEVLINK_TRAP_GENERIC_ID_UC_LB,
806	DEVLINK_TRAP_GENERIC_ID_LOCAL_ROUTE,
807	DEVLINK_TRAP_GENERIC_ID_EXTERNAL_ROUTE,
808	DEVLINK_TRAP_GENERIC_ID_IPV6_UC_DIP_LINK_LOCAL_SCOPE,
809	DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_NODES,
810	DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_ROUTERS,
811	DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_SOLICIT,
812	DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ADVERT,
813	DEVLINK_TRAP_GENERIC_ID_IPV6_REDIRECT,
814	DEVLINK_TRAP_GENERIC_ID_IPV4_ROUTER_ALERT,
815	DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ALERT,
816	DEVLINK_TRAP_GENERIC_ID_PTP_EVENT,
817	DEVLINK_TRAP_GENERIC_ID_PTP_GENERAL,
818	DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_SAMPLE,
819	DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_TRAP,
820	DEVLINK_TRAP_GENERIC_ID_EARLY_DROP,
821	DEVLINK_TRAP_GENERIC_ID_VXLAN_PARSING,
822	DEVLINK_TRAP_GENERIC_ID_LLC_SNAP_PARSING,
823	DEVLINK_TRAP_GENERIC_ID_VLAN_PARSING,
824	DEVLINK_TRAP_GENERIC_ID_PPPOE_PPP_PARSING,
825	DEVLINK_TRAP_GENERIC_ID_MPLS_PARSING,
826	DEVLINK_TRAP_GENERIC_ID_ARP_PARSING,
827	DEVLINK_TRAP_GENERIC_ID_IP_1_PARSING,
828	DEVLINK_TRAP_GENERIC_ID_IP_N_PARSING,
829	DEVLINK_TRAP_GENERIC_ID_GRE_PARSING,
830	DEVLINK_TRAP_GENERIC_ID_UDP_PARSING,
831	DEVLINK_TRAP_GENERIC_ID_TCP_PARSING,
832	DEVLINK_TRAP_GENERIC_ID_IPSEC_PARSING,
833	DEVLINK_TRAP_GENERIC_ID_SCTP_PARSING,
834	DEVLINK_TRAP_GENERIC_ID_DCCP_PARSING,
835	DEVLINK_TRAP_GENERIC_ID_GTP_PARSING,
836	DEVLINK_TRAP_GENERIC_ID_ESP_PARSING,
837
838	/* Add new generic trap IDs above */
839	__DEVLINK_TRAP_GENERIC_ID_MAX,
840	DEVLINK_TRAP_GENERIC_ID_MAX = __DEVLINK_TRAP_GENERIC_ID_MAX - 1,
841};
842
843/* All trap groups must be documented in
844 * Documentation/networking/devlink/devlink-trap.rst
845 */
846enum devlink_trap_group_generic_id {
847	DEVLINK_TRAP_GROUP_GENERIC_ID_L2_DROPS,
848	DEVLINK_TRAP_GROUP_GENERIC_ID_L3_DROPS,
849	DEVLINK_TRAP_GROUP_GENERIC_ID_L3_EXCEPTIONS,
850	DEVLINK_TRAP_GROUP_GENERIC_ID_BUFFER_DROPS,
851	DEVLINK_TRAP_GROUP_GENERIC_ID_TUNNEL_DROPS,
852	DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_DROPS,
853	DEVLINK_TRAP_GROUP_GENERIC_ID_STP,
854	DEVLINK_TRAP_GROUP_GENERIC_ID_LACP,
855	DEVLINK_TRAP_GROUP_GENERIC_ID_LLDP,
856	DEVLINK_TRAP_GROUP_GENERIC_ID_MC_SNOOPING,
857	DEVLINK_TRAP_GROUP_GENERIC_ID_DHCP,
858	DEVLINK_TRAP_GROUP_GENERIC_ID_NEIGH_DISCOVERY,
859	DEVLINK_TRAP_GROUP_GENERIC_ID_BFD,
860	DEVLINK_TRAP_GROUP_GENERIC_ID_OSPF,
861	DEVLINK_TRAP_GROUP_GENERIC_ID_BGP,
862	DEVLINK_TRAP_GROUP_GENERIC_ID_VRRP,
863	DEVLINK_TRAP_GROUP_GENERIC_ID_PIM,
864	DEVLINK_TRAP_GROUP_GENERIC_ID_UC_LB,
865	DEVLINK_TRAP_GROUP_GENERIC_ID_LOCAL_DELIVERY,
866	DEVLINK_TRAP_GROUP_GENERIC_ID_EXTERNAL_DELIVERY,
867	DEVLINK_TRAP_GROUP_GENERIC_ID_IPV6,
868	DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_EVENT,
869	DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_GENERAL,
870	DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_SAMPLE,
871	DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_TRAP,
872	DEVLINK_TRAP_GROUP_GENERIC_ID_PARSER_ERROR_DROPS,
873
874	/* Add new generic trap group IDs above */
875	__DEVLINK_TRAP_GROUP_GENERIC_ID_MAX,
876	DEVLINK_TRAP_GROUP_GENERIC_ID_MAX =
877		__DEVLINK_TRAP_GROUP_GENERIC_ID_MAX - 1,
878};
879
880#define DEVLINK_TRAP_GENERIC_NAME_SMAC_MC \
881	"source_mac_is_multicast"
882#define DEVLINK_TRAP_GENERIC_NAME_VLAN_TAG_MISMATCH \
883	"vlan_tag_mismatch"
884#define DEVLINK_TRAP_GENERIC_NAME_INGRESS_VLAN_FILTER \
885	"ingress_vlan_filter"
886#define DEVLINK_TRAP_GENERIC_NAME_INGRESS_STP_FILTER \
887	"ingress_spanning_tree_filter"
888#define DEVLINK_TRAP_GENERIC_NAME_EMPTY_TX_LIST \
889	"port_list_is_empty"
890#define DEVLINK_TRAP_GENERIC_NAME_PORT_LOOPBACK_FILTER \
891	"port_loopback_filter"
892#define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_ROUTE \
893	"blackhole_route"
894#define DEVLINK_TRAP_GENERIC_NAME_TTL_ERROR \
895	"ttl_value_is_too_small"
896#define DEVLINK_TRAP_GENERIC_NAME_TAIL_DROP \
897	"tail_drop"
898#define DEVLINK_TRAP_GENERIC_NAME_NON_IP_PACKET \
899	"non_ip"
900#define DEVLINK_TRAP_GENERIC_NAME_UC_DIP_MC_DMAC \
901	"uc_dip_over_mc_dmac"
902#define DEVLINK_TRAP_GENERIC_NAME_DIP_LB \
903	"dip_is_loopback_address"
904#define DEVLINK_TRAP_GENERIC_NAME_SIP_MC \
905	"sip_is_mc"
906#define DEVLINK_TRAP_GENERIC_NAME_SIP_LB \
907	"sip_is_loopback_address"
908#define DEVLINK_TRAP_GENERIC_NAME_CORRUPTED_IP_HDR \
909	"ip_header_corrupted"
910#define DEVLINK_TRAP_GENERIC_NAME_IPV4_SIP_BC \
911	"ipv4_sip_is_limited_bc"
912#define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_RESERVED_SCOPE \
913	"ipv6_mc_dip_reserved_scope"
914#define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE \
915	"ipv6_mc_dip_interface_local_scope"
916#define DEVLINK_TRAP_GENERIC_NAME_MTU_ERROR \
917	"mtu_value_is_too_small"
918#define DEVLINK_TRAP_GENERIC_NAME_UNRESOLVED_NEIGH \
919	"unresolved_neigh"
920#define DEVLINK_TRAP_GENERIC_NAME_RPF \
921	"mc_reverse_path_forwarding"
922#define DEVLINK_TRAP_GENERIC_NAME_REJECT_ROUTE \
923	"reject_route"
924#define DEVLINK_TRAP_GENERIC_NAME_IPV4_LPM_UNICAST_MISS \
925	"ipv4_lpm_miss"
926#define DEVLINK_TRAP_GENERIC_NAME_IPV6_LPM_UNICAST_MISS \
927	"ipv6_lpm_miss"
928#define DEVLINK_TRAP_GENERIC_NAME_NON_ROUTABLE \
929	"non_routable_packet"
930#define DEVLINK_TRAP_GENERIC_NAME_DECAP_ERROR \
931	"decap_error"
932#define DEVLINK_TRAP_GENERIC_NAME_OVERLAY_SMAC_MC \
933	"overlay_smac_is_mc"
934#define DEVLINK_TRAP_GENERIC_NAME_INGRESS_FLOW_ACTION_DROP \
935	"ingress_flow_action_drop"
936#define DEVLINK_TRAP_GENERIC_NAME_EGRESS_FLOW_ACTION_DROP \
937	"egress_flow_action_drop"
938#define DEVLINK_TRAP_GENERIC_NAME_STP \
939	"stp"
940#define DEVLINK_TRAP_GENERIC_NAME_LACP \
941	"lacp"
942#define DEVLINK_TRAP_GENERIC_NAME_LLDP \
943	"lldp"
944#define DEVLINK_TRAP_GENERIC_NAME_IGMP_QUERY \
945	"igmp_query"
946#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V1_REPORT \
947	"igmp_v1_report"
948#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_REPORT \
949	"igmp_v2_report"
950#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V3_REPORT \
951	"igmp_v3_report"
952#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_LEAVE \
953	"igmp_v2_leave"
954#define DEVLINK_TRAP_GENERIC_NAME_MLD_QUERY \
955	"mld_query"
956#define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_REPORT \
957	"mld_v1_report"
958#define DEVLINK_TRAP_GENERIC_NAME_MLD_V2_REPORT \
959	"mld_v2_report"
960#define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_DONE \
961	"mld_v1_done"
962#define DEVLINK_TRAP_GENERIC_NAME_IPV4_DHCP \
963	"ipv4_dhcp"
964#define DEVLINK_TRAP_GENERIC_NAME_IPV6_DHCP \
965	"ipv6_dhcp"
966#define DEVLINK_TRAP_GENERIC_NAME_ARP_REQUEST \
967	"arp_request"
968#define DEVLINK_TRAP_GENERIC_NAME_ARP_RESPONSE \
969	"arp_response"
970#define DEVLINK_TRAP_GENERIC_NAME_ARP_OVERLAY \
971	"arp_overlay"
972#define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_SOLICIT \
973	"ipv6_neigh_solicit"
974#define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_ADVERT \
975	"ipv6_neigh_advert"
976#define DEVLINK_TRAP_GENERIC_NAME_IPV4_BFD \
977	"ipv4_bfd"
978#define DEVLINK_TRAP_GENERIC_NAME_IPV6_BFD \
979	"ipv6_bfd"
980#define DEVLINK_TRAP_GENERIC_NAME_IPV4_OSPF \
981	"ipv4_ospf"
982#define DEVLINK_TRAP_GENERIC_NAME_IPV6_OSPF \
983	"ipv6_ospf"
984#define DEVLINK_TRAP_GENERIC_NAME_IPV4_BGP \
985	"ipv4_bgp"
986#define DEVLINK_TRAP_GENERIC_NAME_IPV6_BGP \
987	"ipv6_bgp"
988#define DEVLINK_TRAP_GENERIC_NAME_IPV4_VRRP \
989	"ipv4_vrrp"
990#define DEVLINK_TRAP_GENERIC_NAME_IPV6_VRRP \
991	"ipv6_vrrp"
992#define DEVLINK_TRAP_GENERIC_NAME_IPV4_PIM \
993	"ipv4_pim"
994#define DEVLINK_TRAP_GENERIC_NAME_IPV6_PIM \
995	"ipv6_pim"
996#define DEVLINK_TRAP_GENERIC_NAME_UC_LB \
997	"uc_loopback"
998#define DEVLINK_TRAP_GENERIC_NAME_LOCAL_ROUTE \
999	"local_route"
1000#define DEVLINK_TRAP_GENERIC_NAME_EXTERNAL_ROUTE \
1001	"external_route"
1002#define DEVLINK_TRAP_GENERIC_NAME_IPV6_UC_DIP_LINK_LOCAL_SCOPE \
1003	"ipv6_uc_dip_link_local_scope"
1004#define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_NODES \
1005	"ipv6_dip_all_nodes"
1006#define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_ROUTERS \
1007	"ipv6_dip_all_routers"
1008#define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_SOLICIT \
1009	"ipv6_router_solicit"
1010#define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ADVERT \
1011	"ipv6_router_advert"
1012#define DEVLINK_TRAP_GENERIC_NAME_IPV6_REDIRECT \
1013	"ipv6_redirect"
1014#define DEVLINK_TRAP_GENERIC_NAME_IPV4_ROUTER_ALERT \
1015	"ipv4_router_alert"
1016#define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ALERT \
1017	"ipv6_router_alert"
1018#define DEVLINK_TRAP_GENERIC_NAME_PTP_EVENT \
1019	"ptp_event"
1020#define DEVLINK_TRAP_GENERIC_NAME_PTP_GENERAL \
1021	"ptp_general"
1022#define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_SAMPLE \
1023	"flow_action_sample"
1024#define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_TRAP \
1025	"flow_action_trap"
1026#define DEVLINK_TRAP_GENERIC_NAME_EARLY_DROP \
1027	"early_drop"
1028#define DEVLINK_TRAP_GENERIC_NAME_VXLAN_PARSING \
1029	"vxlan_parsing"
1030#define DEVLINK_TRAP_GENERIC_NAME_LLC_SNAP_PARSING \
1031	"llc_snap_parsing"
1032#define DEVLINK_TRAP_GENERIC_NAME_VLAN_PARSING \
1033	"vlan_parsing"
1034#define DEVLINK_TRAP_GENERIC_NAME_PPPOE_PPP_PARSING \
1035	"pppoe_ppp_parsing"
1036#define DEVLINK_TRAP_GENERIC_NAME_MPLS_PARSING \
1037	"mpls_parsing"
1038#define DEVLINK_TRAP_GENERIC_NAME_ARP_PARSING \
1039	"arp_parsing"
1040#define DEVLINK_TRAP_GENERIC_NAME_IP_1_PARSING \
1041	"ip_1_parsing"
1042#define DEVLINK_TRAP_GENERIC_NAME_IP_N_PARSING \
1043	"ip_n_parsing"
1044#define DEVLINK_TRAP_GENERIC_NAME_GRE_PARSING \
1045	"gre_parsing"
1046#define DEVLINK_TRAP_GENERIC_NAME_UDP_PARSING \
1047	"udp_parsing"
1048#define DEVLINK_TRAP_GENERIC_NAME_TCP_PARSING \
1049	"tcp_parsing"
1050#define DEVLINK_TRAP_GENERIC_NAME_IPSEC_PARSING \
1051	"ipsec_parsing"
1052#define DEVLINK_TRAP_GENERIC_NAME_SCTP_PARSING \
1053	"sctp_parsing"
1054#define DEVLINK_TRAP_GENERIC_NAME_DCCP_PARSING \
1055	"dccp_parsing"
1056#define DEVLINK_TRAP_GENERIC_NAME_GTP_PARSING \
1057	"gtp_parsing"
1058#define DEVLINK_TRAP_GENERIC_NAME_ESP_PARSING \
1059	"esp_parsing"
1060
1061
1062#define DEVLINK_TRAP_GROUP_GENERIC_NAME_L2_DROPS \
1063	"l2_drops"
1064#define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_DROPS \
1065	"l3_drops"
1066#define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_EXCEPTIONS \
1067	"l3_exceptions"
1068#define DEVLINK_TRAP_GROUP_GENERIC_NAME_BUFFER_DROPS \
1069	"buffer_drops"
1070#define DEVLINK_TRAP_GROUP_GENERIC_NAME_TUNNEL_DROPS \
1071	"tunnel_drops"
1072#define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_DROPS \
1073	"acl_drops"
1074#define DEVLINK_TRAP_GROUP_GENERIC_NAME_STP \
1075	"stp"
1076#define DEVLINK_TRAP_GROUP_GENERIC_NAME_LACP \
1077	"lacp"
1078#define DEVLINK_TRAP_GROUP_GENERIC_NAME_LLDP \
1079	"lldp"
1080#define DEVLINK_TRAP_GROUP_GENERIC_NAME_MC_SNOOPING  \
1081	"mc_snooping"
1082#define DEVLINK_TRAP_GROUP_GENERIC_NAME_DHCP \
1083	"dhcp"
1084#define DEVLINK_TRAP_GROUP_GENERIC_NAME_NEIGH_DISCOVERY \
1085	"neigh_discovery"
1086#define DEVLINK_TRAP_GROUP_GENERIC_NAME_BFD \
1087	"bfd"
1088#define DEVLINK_TRAP_GROUP_GENERIC_NAME_OSPF \
1089	"ospf"
1090#define DEVLINK_TRAP_GROUP_GENERIC_NAME_BGP \
1091	"bgp"
1092#define DEVLINK_TRAP_GROUP_GENERIC_NAME_VRRP \
1093	"vrrp"
1094#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PIM \
1095	"pim"
1096#define DEVLINK_TRAP_GROUP_GENERIC_NAME_UC_LB \
1097	"uc_loopback"
1098#define DEVLINK_TRAP_GROUP_GENERIC_NAME_LOCAL_DELIVERY \
1099	"local_delivery"
1100#define DEVLINK_TRAP_GROUP_GENERIC_NAME_EXTERNAL_DELIVERY \
1101	"external_delivery"
1102#define DEVLINK_TRAP_GROUP_GENERIC_NAME_IPV6 \
1103	"ipv6"
1104#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_EVENT \
1105	"ptp_event"
1106#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_GENERAL \
1107	"ptp_general"
1108#define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_SAMPLE \
1109	"acl_sample"
1110#define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_TRAP \
1111	"acl_trap"
1112#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PARSER_ERROR_DROPS \
1113	"parser_error_drops"
1114
1115#define DEVLINK_TRAP_GENERIC(_type, _init_action, _id, _group_id,	      \
1116			     _metadata_cap)				      \
1117	{								      \
1118		.type = DEVLINK_TRAP_TYPE_##_type,			      \
1119		.init_action = DEVLINK_TRAP_ACTION_##_init_action,	      \
1120		.generic = true,					      \
1121		.id = DEVLINK_TRAP_GENERIC_ID_##_id,			      \
1122		.name = DEVLINK_TRAP_GENERIC_NAME_##_id,		      \
1123		.init_group_id = _group_id,				      \
1124		.metadata_cap = _metadata_cap,				      \
1125	}
1126
1127#define DEVLINK_TRAP_DRIVER(_type, _init_action, _id, _name, _group_id,	      \
1128			    _metadata_cap)				      \
1129	{								      \
1130		.type = DEVLINK_TRAP_TYPE_##_type,			      \
1131		.init_action = DEVLINK_TRAP_ACTION_##_init_action,	      \
1132		.generic = false,					      \
1133		.id = _id,						      \
1134		.name = _name,						      \
1135		.init_group_id = _group_id,				      \
1136		.metadata_cap = _metadata_cap,				      \
1137	}
1138
1139#define DEVLINK_TRAP_GROUP_GENERIC(_id, _policer_id)			      \
1140	{								      \
1141		.name = DEVLINK_TRAP_GROUP_GENERIC_NAME_##_id,		      \
1142		.id = DEVLINK_TRAP_GROUP_GENERIC_ID_##_id,		      \
1143		.generic = true,					      \
1144		.init_policer_id = _policer_id,				      \
1145	}
1146
1147#define DEVLINK_TRAP_POLICER(_id, _rate, _burst, _max_rate, _min_rate,	      \
1148			     _max_burst, _min_burst)			      \
1149	{								      \
1150		.id = _id,						      \
1151		.init_rate = _rate,					      \
1152		.init_burst = _burst,					      \
1153		.max_rate = _max_rate,					      \
1154		.min_rate = _min_rate,					      \
1155		.max_burst = _max_burst,				      \
1156		.min_burst = _min_burst,				      \
1157	}
1158
1159struct devlink_ops {
1160	/**
1161	 * @supported_flash_update_params:
1162	 * mask of parameters supported by the driver's .flash_update
1163	 * implemementation.
1164	 */
1165	u32 supported_flash_update_params;
1166	unsigned long reload_actions;
1167	unsigned long reload_limits;
1168	int (*reload_down)(struct devlink *devlink, bool netns_change,
1169			   enum devlink_reload_action action,
1170			   enum devlink_reload_limit limit,
1171			   struct netlink_ext_ack *extack);
1172	int (*reload_up)(struct devlink *devlink, enum devlink_reload_action action,
1173			 enum devlink_reload_limit limit, u32 *actions_performed,
1174			 struct netlink_ext_ack *extack);
1175	int (*port_type_set)(struct devlink_port *devlink_port,
1176			     enum devlink_port_type port_type);
1177	int (*port_split)(struct devlink *devlink, unsigned int port_index,
1178			  unsigned int count, struct netlink_ext_ack *extack);
1179	int (*port_unsplit)(struct devlink *devlink, unsigned int port_index,
1180			    struct netlink_ext_ack *extack);
1181	int (*sb_pool_get)(struct devlink *devlink, unsigned int sb_index,
1182			   u16 pool_index,
1183			   struct devlink_sb_pool_info *pool_info);
1184	int (*sb_pool_set)(struct devlink *devlink, unsigned int sb_index,
1185			   u16 pool_index, u32 size,
1186			   enum devlink_sb_threshold_type threshold_type,
1187			   struct netlink_ext_ack *extack);
1188	int (*sb_port_pool_get)(struct devlink_port *devlink_port,
1189				unsigned int sb_index, u16 pool_index,
1190				u32 *p_threshold);
1191	int (*sb_port_pool_set)(struct devlink_port *devlink_port,
1192				unsigned int sb_index, u16 pool_index,
1193				u32 threshold, struct netlink_ext_ack *extack);
1194	int (*sb_tc_pool_bind_get)(struct devlink_port *devlink_port,
1195				   unsigned int sb_index,
1196				   u16 tc_index,
1197				   enum devlink_sb_pool_type pool_type,
1198				   u16 *p_pool_index, u32 *p_threshold);
1199	int (*sb_tc_pool_bind_set)(struct devlink_port *devlink_port,
1200				   unsigned int sb_index,
1201				   u16 tc_index,
1202				   enum devlink_sb_pool_type pool_type,
1203				   u16 pool_index, u32 threshold,
1204				   struct netlink_ext_ack *extack);
1205	int (*sb_occ_snapshot)(struct devlink *devlink,
1206			       unsigned int sb_index);
1207	int (*sb_occ_max_clear)(struct devlink *devlink,
1208				unsigned int sb_index);
1209	int (*sb_occ_port_pool_get)(struct devlink_port *devlink_port,
1210				    unsigned int sb_index, u16 pool_index,
1211				    u32 *p_cur, u32 *p_max);
1212	int (*sb_occ_tc_port_bind_get)(struct devlink_port *devlink_port,
1213				       unsigned int sb_index,
1214				       u16 tc_index,
1215				       enum devlink_sb_pool_type pool_type,
1216				       u32 *p_cur, u32 *p_max);
1217
1218	int (*eswitch_mode_get)(struct devlink *devlink, u16 *p_mode);
1219	int (*eswitch_mode_set)(struct devlink *devlink, u16 mode,
1220				struct netlink_ext_ack *extack);
1221	int (*eswitch_inline_mode_get)(struct devlink *devlink, u8 *p_inline_mode);
1222	int (*eswitch_inline_mode_set)(struct devlink *devlink, u8 inline_mode,
1223				       struct netlink_ext_ack *extack);
1224	int (*eswitch_encap_mode_get)(struct devlink *devlink,
1225				      enum devlink_eswitch_encap_mode *p_encap_mode);
1226	int (*eswitch_encap_mode_set)(struct devlink *devlink,
1227				      enum devlink_eswitch_encap_mode encap_mode,
1228				      struct netlink_ext_ack *extack);
1229	int (*info_get)(struct devlink *devlink, struct devlink_info_req *req,
1230			struct netlink_ext_ack *extack);
1231	/**
1232	 * @flash_update: Device flash update function
1233	 *
1234	 * Used to perform a flash update for the device. The set of
1235	 * parameters supported by the driver should be set in
1236	 * supported_flash_update_params.
1237	 */
1238	int (*flash_update)(struct devlink *devlink,
1239			    struct devlink_flash_update_params *params,
1240			    struct netlink_ext_ack *extack);
1241	/**
1242	 * @trap_init: Trap initialization function.
1243	 *
1244	 * Should be used by device drivers to initialize the trap in the
1245	 * underlying device. Drivers should also store the provided trap
1246	 * context, so that they could efficiently pass it to
1247	 * devlink_trap_report() when the trap is triggered.
1248	 */
1249	int (*trap_init)(struct devlink *devlink,
1250			 const struct devlink_trap *trap, void *trap_ctx);
1251	/**
1252	 * @trap_fini: Trap de-initialization function.
1253	 *
1254	 * Should be used by device drivers to de-initialize the trap in the
1255	 * underlying device.
1256	 */
1257	void (*trap_fini)(struct devlink *devlink,
1258			  const struct devlink_trap *trap, void *trap_ctx);
1259	/**
1260	 * @trap_action_set: Trap action set function.
1261	 */
1262	int (*trap_action_set)(struct devlink *devlink,
1263			       const struct devlink_trap *trap,
1264			       enum devlink_trap_action action,
1265			       struct netlink_ext_ack *extack);
1266	/**
1267	 * @trap_group_init: Trap group initialization function.
1268	 *
1269	 * Should be used by device drivers to initialize the trap group in the
1270	 * underlying device.
1271	 */
1272	int (*trap_group_init)(struct devlink *devlink,
1273			       const struct devlink_trap_group *group);
1274	/**
1275	 * @trap_group_set: Trap group parameters set function.
1276	 *
1277	 * Note: @policer can be NULL when a policer is being unbound from
1278	 * @group.
1279	 */
1280	int (*trap_group_set)(struct devlink *devlink,
1281			      const struct devlink_trap_group *group,
1282			      const struct devlink_trap_policer *policer,
1283			      struct netlink_ext_ack *extack);
1284	/**
1285	 * @trap_group_action_set: Trap group action set function.
1286	 *
1287	 * If this callback is populated, it will take precedence over looping
1288	 * over all traps in a group and calling .trap_action_set().
1289	 */
1290	int (*trap_group_action_set)(struct devlink *devlink,
1291				     const struct devlink_trap_group *group,
1292				     enum devlink_trap_action action,
1293				     struct netlink_ext_ack *extack);
1294	/**
1295	 * @trap_policer_init: Trap policer initialization function.
1296	 *
1297	 * Should be used by device drivers to initialize the trap policer in
1298	 * the underlying device.
1299	 */
1300	int (*trap_policer_init)(struct devlink *devlink,
1301				 const struct devlink_trap_policer *policer);
1302	/**
1303	 * @trap_policer_fini: Trap policer de-initialization function.
1304	 *
1305	 * Should be used by device drivers to de-initialize the trap policer
1306	 * in the underlying device.
1307	 */
1308	void (*trap_policer_fini)(struct devlink *devlink,
1309				  const struct devlink_trap_policer *policer);
1310	/**
1311	 * @trap_policer_set: Trap policer parameters set function.
1312	 */
1313	int (*trap_policer_set)(struct devlink *devlink,
1314				const struct devlink_trap_policer *policer,
1315				u64 rate, u64 burst,
1316				struct netlink_ext_ack *extack);
1317	/**
1318	 * @trap_policer_counter_get: Trap policer counter get function.
1319	 *
1320	 * Should be used by device drivers to report number of packets dropped
1321	 * by the policer.
1322	 */
1323	int (*trap_policer_counter_get)(struct devlink *devlink,
1324					const struct devlink_trap_policer *policer,
1325					u64 *p_drops);
1326	/**
1327	 * @port_function_hw_addr_get: Port function's hardware address get function.
1328	 *
1329	 * Should be used by device drivers to report the hardware address of a function managed
1330	 * by the devlink port. Driver should return -EOPNOTSUPP if it doesn't support port
1331	 * function handling for a particular port.
1332	 *
1333	 * Note: @extack can be NULL when port notifier queries the port function.
1334	 */
1335	int (*port_function_hw_addr_get)(struct devlink *devlink, struct devlink_port *port,
1336					 u8 *hw_addr, int *hw_addr_len,
1337					 struct netlink_ext_ack *extack);
1338	/**
1339	 * @port_function_hw_addr_set: Port function's hardware address set function.
1340	 *
1341	 * Should be used by device drivers to set the hardware address of a function managed
1342	 * by the devlink port. Driver should return -EOPNOTSUPP if it doesn't support port
1343	 * function handling for a particular port.
1344	 */
1345	int (*port_function_hw_addr_set)(struct devlink *devlink, struct devlink_port *port,
1346					 const u8 *hw_addr, int hw_addr_len,
1347					 struct netlink_ext_ack *extack);
1348};
1349
1350static inline void *devlink_priv(struct devlink *devlink)
1351{
1352	BUG_ON(!devlink);
1353	return &devlink->priv;
1354}
1355
1356static inline struct devlink *priv_to_devlink(void *priv)
1357{
1358	BUG_ON(!priv);
1359	return container_of(priv, struct devlink, priv);
1360}
1361
1362static inline struct devlink_port *
1363netdev_to_devlink_port(struct net_device *dev)
1364{
1365	if (dev->netdev_ops->ndo_get_devlink_port)
1366		return dev->netdev_ops->ndo_get_devlink_port(dev);
1367	return NULL;
1368}
1369
1370static inline struct devlink *netdev_to_devlink(struct net_device *dev)
1371{
1372	struct devlink_port *devlink_port = netdev_to_devlink_port(dev);
1373
1374	if (devlink_port)
1375		return devlink_port->devlink;
1376	return NULL;
1377}
1378
1379struct ib_device;
1380
1381struct net *devlink_net(const struct devlink *devlink);
1382void devlink_net_set(struct devlink *devlink, struct net *net);
1383struct devlink *devlink_alloc(const struct devlink_ops *ops, size_t priv_size);
1384int devlink_register(struct devlink *devlink, struct device *dev);
1385void devlink_unregister(struct devlink *devlink);
1386void devlink_reload_enable(struct devlink *devlink);
1387void devlink_reload_disable(struct devlink *devlink);
1388void devlink_free(struct devlink *devlink);
1389int devlink_port_register(struct devlink *devlink,
1390			  struct devlink_port *devlink_port,
1391			  unsigned int port_index);
1392void devlink_port_unregister(struct devlink_port *devlink_port);
1393void devlink_port_type_eth_set(struct devlink_port *devlink_port,
1394			       struct net_device *netdev);
1395void devlink_port_type_ib_set(struct devlink_port *devlink_port,
1396			      struct ib_device *ibdev);
1397void devlink_port_type_clear(struct devlink_port *devlink_port);
1398void devlink_port_attrs_set(struct devlink_port *devlink_port,
1399			    struct devlink_port_attrs *devlink_port_attrs);
1400void devlink_port_attrs_pci_pf_set(struct devlink_port *devlink_port, u32 controller,
1401				   u16 pf, bool external);
1402void devlink_port_attrs_pci_vf_set(struct devlink_port *devlink_port, u32 controller,
1403				   u16 pf, u16 vf, bool external);
1404int devlink_sb_register(struct devlink *devlink, unsigned int sb_index,
1405			u32 size, u16 ingress_pools_count,
1406			u16 egress_pools_count, u16 ingress_tc_count,
1407			u16 egress_tc_count);
1408void devlink_sb_unregister(struct devlink *devlink, unsigned int sb_index);
1409int devlink_dpipe_table_register(struct devlink *devlink,
1410				 const char *table_name,
1411				 struct devlink_dpipe_table_ops *table_ops,
1412				 void *priv, bool counter_control_extern);
1413void devlink_dpipe_table_unregister(struct devlink *devlink,
1414				    const char *table_name);
1415int devlink_dpipe_headers_register(struct devlink *devlink,
1416				   struct devlink_dpipe_headers *dpipe_headers);
1417void devlink_dpipe_headers_unregister(struct devlink *devlink);
1418bool devlink_dpipe_table_counter_enabled(struct devlink *devlink,
1419					 const char *table_name);
1420int devlink_dpipe_entry_ctx_prepare(struct devlink_dpipe_dump_ctx *dump_ctx);
1421int devlink_dpipe_entry_ctx_append(struct devlink_dpipe_dump_ctx *dump_ctx,
1422				   struct devlink_dpipe_entry *entry);
1423int devlink_dpipe_entry_ctx_close(struct devlink_dpipe_dump_ctx *dump_ctx);
1424void devlink_dpipe_entry_clear(struct devlink_dpipe_entry *entry);
1425int devlink_dpipe_action_put(struct sk_buff *skb,
1426			     struct devlink_dpipe_action *action);
1427int devlink_dpipe_match_put(struct sk_buff *skb,
1428			    struct devlink_dpipe_match *match);
1429extern struct devlink_dpipe_header devlink_dpipe_header_ethernet;
1430extern struct devlink_dpipe_header devlink_dpipe_header_ipv4;
1431extern struct devlink_dpipe_header devlink_dpipe_header_ipv6;
1432
1433int devlink_resource_register(struct devlink *devlink,
1434			      const char *resource_name,
1435			      u64 resource_size,
1436			      u64 resource_id,
1437			      u64 parent_resource_id,
1438			      const struct devlink_resource_size_params *size_params);
1439void devlink_resources_unregister(struct devlink *devlink,
1440				  struct devlink_resource *resource);
1441int devlink_resource_size_get(struct devlink *devlink,
1442			      u64 resource_id,
1443			      u64 *p_resource_size);
1444int devlink_dpipe_table_resource_set(struct devlink *devlink,
1445				     const char *table_name, u64 resource_id,
1446				     u64 resource_units);
1447void devlink_resource_occ_get_register(struct devlink *devlink,
1448				       u64 resource_id,
1449				       devlink_resource_occ_get_t *occ_get,
1450				       void *occ_get_priv);
1451void devlink_resource_occ_get_unregister(struct devlink *devlink,
1452					 u64 resource_id);
1453int devlink_params_register(struct devlink *devlink,
1454			    const struct devlink_param *params,
1455			    size_t params_count);
1456void devlink_params_unregister(struct devlink *devlink,
1457			       const struct devlink_param *params,
1458			       size_t params_count);
1459void devlink_params_publish(struct devlink *devlink);
1460void devlink_params_unpublish(struct devlink *devlink);
1461int devlink_port_params_register(struct devlink_port *devlink_port,
1462				 const struct devlink_param *params,
1463				 size_t params_count);
1464void devlink_port_params_unregister(struct devlink_port *devlink_port,
1465				    const struct devlink_param *params,
1466				    size_t params_count);
1467int devlink_param_driverinit_value_get(struct devlink *devlink, u32 param_id,
1468				       union devlink_param_value *init_val);
1469int devlink_param_driverinit_value_set(struct devlink *devlink, u32 param_id,
1470				       union devlink_param_value init_val);
1471int
1472devlink_port_param_driverinit_value_get(struct devlink_port *devlink_port,
1473					u32 param_id,
1474					union devlink_param_value *init_val);
1475int devlink_port_param_driverinit_value_set(struct devlink_port *devlink_port,
1476					    u32 param_id,
1477					    union devlink_param_value init_val);
1478void devlink_param_value_changed(struct devlink *devlink, u32 param_id);
1479void devlink_port_param_value_changed(struct devlink_port *devlink_port,
1480				      u32 param_id);
1481void devlink_param_value_str_fill(union devlink_param_value *dst_val,
1482				  const char *src);
1483struct devlink_region *
1484devlink_region_create(struct devlink *devlink,
1485		      const struct devlink_region_ops *ops,
1486		      u32 region_max_snapshots, u64 region_size);
1487struct devlink_region *
1488devlink_port_region_create(struct devlink_port *port,
1489			   const struct devlink_port_region_ops *ops,
1490			   u32 region_max_snapshots, u64 region_size);
1491void devlink_region_destroy(struct devlink_region *region);
1492void devlink_port_region_destroy(struct devlink_region *region);
1493
1494int devlink_region_snapshot_id_get(struct devlink *devlink, u32 *id);
1495void devlink_region_snapshot_id_put(struct devlink *devlink, u32 id);
1496int devlink_region_snapshot_create(struct devlink_region *region,
1497				   u8 *data, u32 snapshot_id);
1498int devlink_info_serial_number_put(struct devlink_info_req *req,
1499				   const char *sn);
1500int devlink_info_driver_name_put(struct devlink_info_req *req,
1501				 const char *name);
1502int devlink_info_board_serial_number_put(struct devlink_info_req *req,
1503					 const char *bsn);
1504int devlink_info_version_fixed_put(struct devlink_info_req *req,
1505				   const char *version_name,
1506				   const char *version_value);
1507int devlink_info_version_stored_put(struct devlink_info_req *req,
1508				    const char *version_name,
1509				    const char *version_value);
1510int devlink_info_version_running_put(struct devlink_info_req *req,
1511				     const char *version_name,
1512				     const char *version_value);
1513
1514int devlink_fmsg_obj_nest_start(struct devlink_fmsg *fmsg);
1515int devlink_fmsg_obj_nest_end(struct devlink_fmsg *fmsg);
1516
1517int devlink_fmsg_pair_nest_start(struct devlink_fmsg *fmsg, const char *name);
1518int devlink_fmsg_pair_nest_end(struct devlink_fmsg *fmsg);
1519
1520int devlink_fmsg_arr_pair_nest_start(struct devlink_fmsg *fmsg,
1521				     const char *name);
1522int devlink_fmsg_arr_pair_nest_end(struct devlink_fmsg *fmsg);
1523int devlink_fmsg_binary_pair_nest_start(struct devlink_fmsg *fmsg,
1524					const char *name);
1525int devlink_fmsg_binary_pair_nest_end(struct devlink_fmsg *fmsg);
1526
1527int devlink_fmsg_bool_put(struct devlink_fmsg *fmsg, bool value);
1528int devlink_fmsg_u8_put(struct devlink_fmsg *fmsg, u8 value);
1529int devlink_fmsg_u32_put(struct devlink_fmsg *fmsg, u32 value);
1530int devlink_fmsg_u64_put(struct devlink_fmsg *fmsg, u64 value);
1531int devlink_fmsg_string_put(struct devlink_fmsg *fmsg, const char *value);
1532int devlink_fmsg_binary_put(struct devlink_fmsg *fmsg, const void *value,
1533			    u16 value_len);
1534
1535int devlink_fmsg_bool_pair_put(struct devlink_fmsg *fmsg, const char *name,
1536			       bool value);
1537int devlink_fmsg_u8_pair_put(struct devlink_fmsg *fmsg, const char *name,
1538			     u8 value);
1539int devlink_fmsg_u32_pair_put(struct devlink_fmsg *fmsg, const char *name,
1540			      u32 value);
1541int devlink_fmsg_u64_pair_put(struct devlink_fmsg *fmsg, const char *name,
1542			      u64 value);
1543int devlink_fmsg_string_pair_put(struct devlink_fmsg *fmsg, const char *name,
1544				 const char *value);
1545int devlink_fmsg_binary_pair_put(struct devlink_fmsg *fmsg, const char *name,
1546				 const void *value, u32 value_len);
1547
1548struct devlink_health_reporter *
1549devlink_health_reporter_create(struct devlink *devlink,
1550			       const struct devlink_health_reporter_ops *ops,
1551			       u64 graceful_period, void *priv);
1552
1553struct devlink_health_reporter *
1554devlink_port_health_reporter_create(struct devlink_port *port,
1555				    const struct devlink_health_reporter_ops *ops,
1556				    u64 graceful_period, void *priv);
1557
1558void
1559devlink_health_reporter_destroy(struct devlink_health_reporter *reporter);
1560
1561void
1562devlink_port_health_reporter_destroy(struct devlink_health_reporter *reporter);
1563
1564void *
1565devlink_health_reporter_priv(struct devlink_health_reporter *reporter);
1566int devlink_health_report(struct devlink_health_reporter *reporter,
1567			  const char *msg, void *priv_ctx);
1568void
1569devlink_health_reporter_state_update(struct devlink_health_reporter *reporter,
1570				     enum devlink_health_reporter_state state);
1571void
1572devlink_health_reporter_recovery_done(struct devlink_health_reporter *reporter);
1573
1574bool devlink_is_reload_failed(const struct devlink *devlink);
1575void devlink_remote_reload_actions_performed(struct devlink *devlink,
1576					     enum devlink_reload_limit limit,
1577					     u32 actions_performed);
1578
1579void devlink_flash_update_begin_notify(struct devlink *devlink);
1580void devlink_flash_update_end_notify(struct devlink *devlink);
1581void devlink_flash_update_status_notify(struct devlink *devlink,
1582					const char *status_msg,
1583					const char *component,
1584					unsigned long done,
1585					unsigned long total);
1586void devlink_flash_update_timeout_notify(struct devlink *devlink,
1587					 const char *status_msg,
1588					 const char *component,
1589					 unsigned long timeout);
1590
1591int devlink_traps_register(struct devlink *devlink,
1592			   const struct devlink_trap *traps,
1593			   size_t traps_count, void *priv);
1594void devlink_traps_unregister(struct devlink *devlink,
1595			      const struct devlink_trap *traps,
1596			      size_t traps_count);
1597void devlink_trap_report(struct devlink *devlink, struct sk_buff *skb,
1598			 void *trap_ctx, struct devlink_port *in_devlink_port,
1599			 const struct flow_action_cookie *fa_cookie);
1600void *devlink_trap_ctx_priv(void *trap_ctx);
1601int devlink_trap_groups_register(struct devlink *devlink,
1602				 const struct devlink_trap_group *groups,
1603				 size_t groups_count);
1604void devlink_trap_groups_unregister(struct devlink *devlink,
1605				    const struct devlink_trap_group *groups,
1606				    size_t groups_count);
1607int
1608devlink_trap_policers_register(struct devlink *devlink,
1609			       const struct devlink_trap_policer *policers,
1610			       size_t policers_count);
1611void
1612devlink_trap_policers_unregister(struct devlink *devlink,
1613				 const struct devlink_trap_policer *policers,
1614				 size_t policers_count);
1615
1616#if IS_ENABLED(CONFIG_NET_DEVLINK)
1617
1618void devlink_compat_running_version(struct net_device *dev,
1619				    char *buf, size_t len);
1620int devlink_compat_flash_update(struct net_device *dev, const char *file_name);
1621int devlink_compat_phys_port_name_get(struct net_device *dev,
1622				      char *name, size_t len);
1623int devlink_compat_switch_id_get(struct net_device *dev,
1624				 struct netdev_phys_item_id *ppid);
1625
1626#else
1627
1628static inline void
1629devlink_compat_running_version(struct net_device *dev, char *buf, size_t len)
1630{
1631}
1632
1633static inline int
1634devlink_compat_flash_update(struct net_device *dev, const char *file_name)
1635{
1636	return -EOPNOTSUPP;
1637}
1638
1639static inline int
1640devlink_compat_phys_port_name_get(struct net_device *dev,
1641				  char *name, size_t len)
1642{
1643	return -EOPNOTSUPP;
1644}
1645
1646static inline int
1647devlink_compat_switch_id_get(struct net_device *dev,
1648			     struct netdev_phys_item_id *ppid)
1649{
1650	return -EOPNOTSUPP;
1651}
1652
1653#endif
1654
1655#endif /* _NET_DEVLINK_H_ */
1656