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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 <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#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 rate_list;
38 struct list_head sb_list;
39 struct list_head dpipe_table_list;
40 struct list_head resource_list;
41 struct list_head param_list;
42 struct list_head region_list;
43 struct list_head reporter_list;
44 struct mutex reporters_lock; /* protects reporter_list */
45 struct devlink_dpipe_headers *dpipe_headers;
46 struct list_head trap_list;
47 struct list_head trap_group_list;
48 struct list_head trap_policer_list;
49 const struct devlink_ops *ops;
50 struct xarray snapshot_ids;
51 struct devlink_dev_stats stats;
52 struct device *dev;
53 possible_net_t _net;
54 struct mutex lock; /* Serializes access to devlink instance specific objects such as
55 * port, sb, dpipe, resource, params, region, traps and more.
56 */
57 u8 reload_failed:1,
58 reload_enabled:1,
59 registered:1;
60 char priv[0] __aligned(NETDEV_ALIGN);
61};
62
63struct devlink_port_phys_attrs {
64 u32 port_number; /* Same value as "split group".
65 * A physical port which is visible to the user
66 * for a given port flavour.
67 */
68 u32 split_subport_number; /* If the port is split, this is the number of subport. */
69};
70
71/**
72 * struct devlink_port_pci_pf_attrs - devlink port's PCI PF attributes
73 * @controller: Associated controller number
74 * @pf: Associated PCI PF number for this port.
75 * @external: when set, indicates if a port is for an external controller
76 */
77struct devlink_port_pci_pf_attrs {
78 u32 controller;
79 u16 pf;
80 u8 external:1;
81};
82
83/**
84 * struct devlink_port_pci_vf_attrs - devlink port's PCI VF attributes
85 * @controller: Associated controller number
86 * @pf: Associated PCI PF number for this port.
87 * @vf: Associated PCI VF for of the PCI PF for this port.
88 * @external: when set, indicates if a port is for an external controller
89 */
90struct devlink_port_pci_vf_attrs {
91 u32 controller;
92 u16 pf;
93 u16 vf;
94 u8 external:1;
95};
96
97/**
98 * struct devlink_port_pci_sf_attrs - devlink port's PCI SF attributes
99 * @controller: Associated controller number
100 * @sf: Associated PCI SF for of the PCI PF for this port.
101 * @pf: Associated PCI PF number for this port.
102 * @external: when set, indicates if a port is for an external controller
103 */
104struct devlink_port_pci_sf_attrs {
105 u32 controller;
106 u32 sf;
107 u16 pf;
108 u8 external:1;
109};
110
111/**
112 * struct devlink_port_attrs - devlink port object
113 * @flavour: flavour of the port
114 * @split: indicates if this is split port
115 * @splittable: indicates if the port can be split.
116 * @lanes: maximum number of lanes the port supports. 0 value is not passed to netlink.
117 * @switch_id: if the port is part of switch, this is buffer with ID, otherwise this is NULL
118 * @phys: physical port attributes
119 * @pci_pf: PCI PF port attributes
120 * @pci_vf: PCI VF port attributes
121 * @pci_sf: PCI SF port attributes
122 */
123struct devlink_port_attrs {
124 u8 split:1,
125 splittable:1;
126 u32 lanes;
127 enum devlink_port_flavour flavour;
128 struct netdev_phys_item_id switch_id;
129 union {
130 struct devlink_port_phys_attrs phys;
131 struct devlink_port_pci_pf_attrs pci_pf;
132 struct devlink_port_pci_vf_attrs pci_vf;
133 struct devlink_port_pci_sf_attrs pci_sf;
134 };
135};
136
137struct devlink_rate {
138 struct list_head list;
139 enum devlink_rate_type type;
140 struct devlink *devlink;
141 void *priv;
142 u64 tx_share;
143 u64 tx_max;
144
145 struct devlink_rate *parent;
146 union {
147 struct devlink_port *devlink_port;
148 struct {
149 char *name;
150 refcount_t refcnt;
151 };
152 };
153};
154
155struct devlink_port {
156 struct list_head list;
157 struct list_head param_list;
158 struct list_head region_list;
159 struct devlink *devlink;
160 unsigned int index;
161 bool registered;
162 spinlock_t type_lock; /* Protects type and type_dev
163 * pointer consistency.
164 */
165 enum devlink_port_type type;
166 enum devlink_port_type desired_type;
167 void *type_dev;
168 struct devlink_port_attrs attrs;
169 u8 attrs_set:1,
170 switch_port:1;
171 struct delayed_work type_warn_dw;
172 struct list_head reporter_list;
173 struct mutex reporters_lock; /* Protects reporter_list */
174
175 struct devlink_rate *devlink_rate;
176};
177
178struct devlink_port_new_attrs {
179 enum devlink_port_flavour flavour;
180 unsigned int port_index;
181 u32 controller;
182 u32 sfnum;
183 u16 pfnum;
184 u8 port_index_valid:1,
185 controller_valid:1,
186 sfnum_valid:1;
187};
188
189struct devlink_sb_pool_info {
190 enum devlink_sb_pool_type pool_type;
191 u32 size;
192 enum devlink_sb_threshold_type threshold_type;
193 u32 cell_size;
194};
195
196/**
197 * struct devlink_dpipe_field - dpipe field object
198 * @name: field name
199 * @id: index inside the headers field array
200 * @bitwidth: bitwidth
201 * @mapping_type: mapping type
202 */
203struct devlink_dpipe_field {
204 const char *name;
205 unsigned int id;
206 unsigned int bitwidth;
207 enum devlink_dpipe_field_mapping_type mapping_type;
208};
209
210/**
211 * struct devlink_dpipe_header - dpipe header object
212 * @name: header name
213 * @id: index, global/local detrmined by global bit
214 * @fields: fields
215 * @fields_count: number of fields
216 * @global: indicates if header is shared like most protocol header
217 * or driver specific
218 */
219struct devlink_dpipe_header {
220 const char *name;
221 unsigned int id;
222 struct devlink_dpipe_field *fields;
223 unsigned int fields_count;
224 bool global;
225};
226
227/**
228 * struct devlink_dpipe_match - represents match operation
229 * @type: type of match
230 * @header_index: header index (packets can have several headers of same
231 * type like in case of tunnels)
232 * @header: header
233 * @fieled_id: field index
234 */
235struct devlink_dpipe_match {
236 enum devlink_dpipe_match_type type;
237 unsigned int header_index;
238 struct devlink_dpipe_header *header;
239 unsigned int field_id;
240};
241
242/**
243 * struct devlink_dpipe_action - represents action operation
244 * @type: type of action
245 * @header_index: header index (packets can have several headers of same
246 * type like in case of tunnels)
247 * @header: header
248 * @fieled_id: field index
249 */
250struct devlink_dpipe_action {
251 enum devlink_dpipe_action_type type;
252 unsigned int header_index;
253 struct devlink_dpipe_header *header;
254 unsigned int field_id;
255};
256
257/**
258 * struct devlink_dpipe_value - represents value of match/action
259 * @action: action
260 * @match: match
261 * @mapping_value: in case the field has some mapping this value
262 * specified the mapping value
263 * @mapping_valid: specify if mapping value is valid
264 * @value_size: value size
265 * @value: value
266 * @mask: bit mask
267 */
268struct devlink_dpipe_value {
269 union {
270 struct devlink_dpipe_action *action;
271 struct devlink_dpipe_match *match;
272 };
273 unsigned int mapping_value;
274 bool mapping_valid;
275 unsigned int value_size;
276 void *value;
277 void *mask;
278};
279
280/**
281 * struct devlink_dpipe_entry - table entry object
282 * @index: index of the entry in the table
283 * @match_values: match values
284 * @matche_values_count: count of matches tuples
285 * @action_values: actions values
286 * @action_values_count: count of actions values
287 * @counter: value of counter
288 * @counter_valid: Specify if value is valid from hardware
289 */
290struct devlink_dpipe_entry {
291 u64 index;
292 struct devlink_dpipe_value *match_values;
293 unsigned int match_values_count;
294 struct devlink_dpipe_value *action_values;
295 unsigned int action_values_count;
296 u64 counter;
297 bool counter_valid;
298};
299
300/**
301 * struct devlink_dpipe_dump_ctx - context provided to driver in order
302 * to dump
303 * @info: info
304 * @cmd: devlink command
305 * @skb: skb
306 * @nest: top attribute
307 * @hdr: hdr
308 */
309struct devlink_dpipe_dump_ctx {
310 struct genl_info *info;
311 enum devlink_command cmd;
312 struct sk_buff *skb;
313 struct nlattr *nest;
314 void *hdr;
315};
316
317struct devlink_dpipe_table_ops;
318
319/**
320 * struct devlink_dpipe_table - table object
321 * @priv: private
322 * @name: table name
323 * @counters_enabled: indicates if counters are active
324 * @counter_control_extern: indicates if counter control is in dpipe or
325 * external tool
326 * @resource_valid: Indicate that the resource id is valid
327 * @resource_id: relative resource this table is related to
328 * @resource_units: number of resource's unit consumed per table's entry
329 * @table_ops: table operations
330 * @rcu: rcu
331 */
332struct devlink_dpipe_table {
333 void *priv;
334 struct list_head list;
335 const char *name;
336 bool counters_enabled;
337 bool counter_control_extern;
338 bool resource_valid;
339 u64 resource_id;
340 u64 resource_units;
341 struct devlink_dpipe_table_ops *table_ops;
342 struct rcu_head rcu;
343};
344
345/**
346 * struct devlink_dpipe_table_ops - dpipe_table ops
347 * @actions_dump - dumps all tables actions
348 * @matches_dump - dumps all tables matches
349 * @entries_dump - dumps all active entries in the table
350 * @counters_set_update - when changing the counter status hardware sync
351 * maybe needed to allocate/free counter related
352 * resources
353 * @size_get - get size
354 */
355struct devlink_dpipe_table_ops {
356 int (*actions_dump)(void *priv, struct sk_buff *skb);
357 int (*matches_dump)(void *priv, struct sk_buff *skb);
358 int (*entries_dump)(void *priv, bool counters_enabled,
359 struct devlink_dpipe_dump_ctx *dump_ctx);
360 int (*counters_set_update)(void *priv, bool enable);
361 u64 (*size_get)(void *priv);
362};
363
364/**
365 * struct devlink_dpipe_headers - dpipe headers
366 * @headers - header array can be shared (global bit) or driver specific
367 * @headers_count - count of headers
368 */
369struct devlink_dpipe_headers {
370 struct devlink_dpipe_header **headers;
371 unsigned int headers_count;
372};
373
374/**
375 * struct devlink_resource_size_params - resource's size parameters
376 * @size_min: minimum size which can be set
377 * @size_max: maximum size which can be set
378 * @size_granularity: size granularity
379 * @size_unit: resource's basic unit
380 */
381struct devlink_resource_size_params {
382 u64 size_min;
383 u64 size_max;
384 u64 size_granularity;
385 enum devlink_resource_unit unit;
386};
387
388static inline void
389devlink_resource_size_params_init(struct devlink_resource_size_params *size_params,
390 u64 size_min, u64 size_max,
391 u64 size_granularity,
392 enum devlink_resource_unit unit)
393{
394 size_params->size_min = size_min;
395 size_params->size_max = size_max;
396 size_params->size_granularity = size_granularity;
397 size_params->unit = unit;
398}
399
400typedef u64 devlink_resource_occ_get_t(void *priv);
401
402/**
403 * struct devlink_resource - devlink resource
404 * @name: name of the resource
405 * @id: id, per devlink instance
406 * @size: size of the resource
407 * @size_new: updated size of the resource, reload is needed
408 * @size_valid: valid in case the total size of the resource is valid
409 * including its children
410 * @parent: parent resource
411 * @size_params: size parameters
412 * @list: parent list
413 * @resource_list: list of child resources
414 */
415struct devlink_resource {
416 const char *name;
417 u64 id;
418 u64 size;
419 u64 size_new;
420 bool size_valid;
421 struct devlink_resource *parent;
422 struct devlink_resource_size_params size_params;
423 struct list_head list;
424 struct list_head resource_list;
425 devlink_resource_occ_get_t *occ_get;
426 void *occ_get_priv;
427};
428
429#define DEVLINK_RESOURCE_ID_PARENT_TOP 0
430
431#define DEVLINK_RESOURCE_GENERIC_NAME_PORTS "physical_ports"
432
433#define __DEVLINK_PARAM_MAX_STRING_VALUE 32
434enum devlink_param_type {
435 DEVLINK_PARAM_TYPE_U8,
436 DEVLINK_PARAM_TYPE_U16,
437 DEVLINK_PARAM_TYPE_U32,
438 DEVLINK_PARAM_TYPE_STRING,
439 DEVLINK_PARAM_TYPE_BOOL,
440};
441
442union devlink_param_value {
443 u8 vu8;
444 u16 vu16;
445 u32 vu32;
446 char vstr[__DEVLINK_PARAM_MAX_STRING_VALUE];
447 bool vbool;
448};
449
450struct devlink_param_gset_ctx {
451 union devlink_param_value val;
452 enum devlink_param_cmode cmode;
453};
454
455/**
456 * struct devlink_flash_notify - devlink dev flash notify data
457 * @status_msg: current status string
458 * @component: firmware component being updated
459 * @done: amount of work completed of total amount
460 * @total: amount of work expected to be done
461 * @timeout: expected max timeout in seconds
462 *
463 * These are values to be given to userland to be displayed in order
464 * to show current activity in a firmware update process.
465 */
466struct devlink_flash_notify {
467 const char *status_msg;
468 const char *component;
469 unsigned long done;
470 unsigned long total;
471 unsigned long timeout;
472};
473
474/**
475 * struct devlink_param - devlink configuration parameter data
476 * @name: name of the parameter
477 * @generic: indicates if the parameter is generic or driver specific
478 * @type: parameter type
479 * @supported_cmodes: bitmap of supported configuration modes
480 * @get: get parameter value, used for runtime and permanent
481 * configuration modes
482 * @set: set parameter value, used for runtime and permanent
483 * configuration modes
484 * @validate: validate input value is applicable (within value range, etc.)
485 *
486 * This struct should be used by the driver to fill the data for
487 * a parameter it registers.
488 */
489struct devlink_param {
490 u32 id;
491 const char *name;
492 bool generic;
493 enum devlink_param_type type;
494 unsigned long supported_cmodes;
495 int (*get)(struct devlink *devlink, u32 id,
496 struct devlink_param_gset_ctx *ctx);
497 int (*set)(struct devlink *devlink, u32 id,
498 struct devlink_param_gset_ctx *ctx);
499 int (*validate)(struct devlink *devlink, u32 id,
500 union devlink_param_value val,
501 struct netlink_ext_ack *extack);
502};
503
504struct devlink_param_item {
505 struct list_head list;
506 const struct devlink_param *param;
507 union devlink_param_value driverinit_value;
508 bool driverinit_value_valid;
509 bool published;
510};
511
512enum devlink_param_generic_id {
513 DEVLINK_PARAM_GENERIC_ID_INT_ERR_RESET,
514 DEVLINK_PARAM_GENERIC_ID_MAX_MACS,
515 DEVLINK_PARAM_GENERIC_ID_ENABLE_SRIOV,
516 DEVLINK_PARAM_GENERIC_ID_REGION_SNAPSHOT,
517 DEVLINK_PARAM_GENERIC_ID_IGNORE_ARI,
518 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX,
519 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN,
520 DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY,
521 DEVLINK_PARAM_GENERIC_ID_RESET_DEV_ON_DRV_PROBE,
522 DEVLINK_PARAM_GENERIC_ID_ENABLE_ROCE,
523 DEVLINK_PARAM_GENERIC_ID_ENABLE_REMOTE_DEV_RESET,
524
525 /* add new param generic ids above here*/
526 __DEVLINK_PARAM_GENERIC_ID_MAX,
527 DEVLINK_PARAM_GENERIC_ID_MAX = __DEVLINK_PARAM_GENERIC_ID_MAX - 1,
528};
529
530#define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_NAME "internal_error_reset"
531#define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL
532
533#define DEVLINK_PARAM_GENERIC_MAX_MACS_NAME "max_macs"
534#define DEVLINK_PARAM_GENERIC_MAX_MACS_TYPE DEVLINK_PARAM_TYPE_U32
535
536#define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_NAME "enable_sriov"
537#define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_TYPE DEVLINK_PARAM_TYPE_BOOL
538
539#define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_NAME "region_snapshot_enable"
540#define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_TYPE DEVLINK_PARAM_TYPE_BOOL
541
542#define DEVLINK_PARAM_GENERIC_IGNORE_ARI_NAME "ignore_ari"
543#define DEVLINK_PARAM_GENERIC_IGNORE_ARI_TYPE DEVLINK_PARAM_TYPE_BOOL
544
545#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_NAME "msix_vec_per_pf_max"
546#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_TYPE DEVLINK_PARAM_TYPE_U32
547
548#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_NAME "msix_vec_per_pf_min"
549#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_TYPE DEVLINK_PARAM_TYPE_U32
550
551#define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_NAME "fw_load_policy"
552#define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_TYPE DEVLINK_PARAM_TYPE_U8
553
554#define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_NAME \
555 "reset_dev_on_drv_probe"
556#define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_TYPE DEVLINK_PARAM_TYPE_U8
557
558#define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_NAME "enable_roce"
559#define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_TYPE DEVLINK_PARAM_TYPE_BOOL
560
561#define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_NAME "enable_remote_dev_reset"
562#define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL
563
564#define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate) \
565{ \
566 .id = DEVLINK_PARAM_GENERIC_ID_##_id, \
567 .name = DEVLINK_PARAM_GENERIC_##_id##_NAME, \
568 .type = DEVLINK_PARAM_GENERIC_##_id##_TYPE, \
569 .generic = true, \
570 .supported_cmodes = _cmodes, \
571 .get = _get, \
572 .set = _set, \
573 .validate = _validate, \
574}
575
576#define DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, _get, _set, _validate) \
577{ \
578 .id = _id, \
579 .name = _name, \
580 .type = _type, \
581 .supported_cmodes = _cmodes, \
582 .get = _get, \
583 .set = _set, \
584 .validate = _validate, \
585}
586
587/* Part number, identifier of board design */
588#define DEVLINK_INFO_VERSION_GENERIC_BOARD_ID "board.id"
589/* Revision of board design */
590#define DEVLINK_INFO_VERSION_GENERIC_BOARD_REV "board.rev"
591/* Maker of the board */
592#define DEVLINK_INFO_VERSION_GENERIC_BOARD_MANUFACTURE "board.manufacture"
593
594/* Part number, identifier of asic design */
595#define DEVLINK_INFO_VERSION_GENERIC_ASIC_ID "asic.id"
596/* Revision of asic design */
597#define DEVLINK_INFO_VERSION_GENERIC_ASIC_REV "asic.rev"
598
599/* Overall FW version */
600#define DEVLINK_INFO_VERSION_GENERIC_FW "fw"
601/* Control processor FW version */
602#define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT "fw.mgmt"
603/* FW interface specification version */
604#define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT_API "fw.mgmt.api"
605/* Data path microcode controlling high-speed packet processing */
606#define DEVLINK_INFO_VERSION_GENERIC_FW_APP "fw.app"
607/* UNDI software version */
608#define DEVLINK_INFO_VERSION_GENERIC_FW_UNDI "fw.undi"
609/* NCSI support/handler version */
610#define DEVLINK_INFO_VERSION_GENERIC_FW_NCSI "fw.ncsi"
611/* FW parameter set id */
612#define DEVLINK_INFO_VERSION_GENERIC_FW_PSID "fw.psid"
613/* RoCE FW version */
614#define DEVLINK_INFO_VERSION_GENERIC_FW_ROCE "fw.roce"
615/* Firmware bundle identifier */
616#define DEVLINK_INFO_VERSION_GENERIC_FW_BUNDLE_ID "fw.bundle_id"
617
618/**
619 * struct devlink_flash_update_params - Flash Update parameters
620 * @fw: pointer to the firmware data to update from
621 * @component: the flash component to update
622 *
623 * With the exception of fw, drivers must opt-in to parameters by
624 * setting the appropriate bit in the supported_flash_update_params field in
625 * their devlink_ops structure.
626 */
627struct devlink_flash_update_params {
628 const struct firmware *fw;
629 const char *component;
630 u32 overwrite_mask;
631};
632
633#define DEVLINK_SUPPORT_FLASH_UPDATE_COMPONENT BIT(0)
634#define DEVLINK_SUPPORT_FLASH_UPDATE_OVERWRITE_MASK BIT(1)
635
636struct devlink_region;
637struct devlink_info_req;
638
639/**
640 * struct devlink_region_ops - Region operations
641 * @name: region name
642 * @destructor: callback used to free snapshot memory when deleting
643 * @snapshot: callback to request an immediate snapshot. On success,
644 * the data variable must be updated to point to the snapshot data.
645 * The function will be called while the devlink instance lock is
646 * held.
647 * @priv: Pointer to driver private data for the region operation
648 */
649struct devlink_region_ops {
650 const char *name;
651 void (*destructor)(const void *data);
652 int (*snapshot)(struct devlink *devlink,
653 const struct devlink_region_ops *ops,
654 struct netlink_ext_ack *extack,
655 u8 **data);
656 void *priv;
657};
658
659/**
660 * struct devlink_port_region_ops - Region operations for a port
661 * @name: region name
662 * @destructor: callback used to free snapshot memory when deleting
663 * @snapshot: callback to request an immediate snapshot. On success,
664 * the data variable must be updated to point to the snapshot data.
665 * The function will be called while the devlink instance lock is
666 * held.
667 * @priv: Pointer to driver private data for the region operation
668 */
669struct devlink_port_region_ops {
670 const char *name;
671 void (*destructor)(const void *data);
672 int (*snapshot)(struct devlink_port *port,
673 const struct devlink_port_region_ops *ops,
674 struct netlink_ext_ack *extack,
675 u8 **data);
676 void *priv;
677};
678
679struct devlink_fmsg;
680struct devlink_health_reporter;
681
682enum devlink_health_reporter_state {
683 DEVLINK_HEALTH_REPORTER_STATE_HEALTHY,
684 DEVLINK_HEALTH_REPORTER_STATE_ERROR,
685};
686
687/**
688 * struct devlink_health_reporter_ops - Reporter operations
689 * @name: reporter name
690 * @recover: callback to recover from reported error
691 * if priv_ctx is NULL, run a full recover
692 * @dump: callback to dump an object
693 * if priv_ctx is NULL, run a full dump
694 * @diagnose: callback to diagnose the current status
695 * @test: callback to trigger a test event
696 */
697
698struct devlink_health_reporter_ops {
699 char *name;
700 int (*recover)(struct devlink_health_reporter *reporter,
701 void *priv_ctx, struct netlink_ext_ack *extack);
702 int (*dump)(struct devlink_health_reporter *reporter,
703 struct devlink_fmsg *fmsg, void *priv_ctx,
704 struct netlink_ext_ack *extack);
705 int (*diagnose)(struct devlink_health_reporter *reporter,
706 struct devlink_fmsg *fmsg,
707 struct netlink_ext_ack *extack);
708 int (*test)(struct devlink_health_reporter *reporter,
709 struct netlink_ext_ack *extack);
710};
711
712/**
713 * struct devlink_trap_metadata - Packet trap metadata.
714 * @trap_name: Trap name.
715 * @trap_group_name: Trap group name.
716 * @input_dev: Input netdevice.
717 * @fa_cookie: Flow action user cookie.
718 * @trap_type: Trap type.
719 */
720struct devlink_trap_metadata {
721 const char *trap_name;
722 const char *trap_group_name;
723 struct net_device *input_dev;
724 const struct flow_action_cookie *fa_cookie;
725 enum devlink_trap_type trap_type;
726};
727
728/**
729 * struct devlink_trap_policer - Immutable packet trap policer attributes.
730 * @id: Policer identifier.
731 * @init_rate: Initial rate in packets / sec.
732 * @init_burst: Initial burst size in packets.
733 * @max_rate: Maximum rate.
734 * @min_rate: Minimum rate.
735 * @max_burst: Maximum burst size.
736 * @min_burst: Minimum burst size.
737 *
738 * Describes immutable attributes of packet trap policers that drivers register
739 * with devlink.
740 */
741struct devlink_trap_policer {
742 u32 id;
743 u64 init_rate;
744 u64 init_burst;
745 u64 max_rate;
746 u64 min_rate;
747 u64 max_burst;
748 u64 min_burst;
749};
750
751/**
752 * struct devlink_trap_group - Immutable packet trap group attributes.
753 * @name: Trap group name.
754 * @id: Trap group identifier.
755 * @generic: Whether the trap group is generic or not.
756 * @init_policer_id: Initial policer identifier.
757 *
758 * Describes immutable attributes of packet trap groups that drivers register
759 * with devlink.
760 */
761struct devlink_trap_group {
762 const char *name;
763 u16 id;
764 bool generic;
765 u32 init_policer_id;
766};
767
768#define DEVLINK_TRAP_METADATA_TYPE_F_IN_PORT BIT(0)
769#define DEVLINK_TRAP_METADATA_TYPE_F_FA_COOKIE BIT(1)
770
771/**
772 * struct devlink_trap - Immutable packet trap attributes.
773 * @type: Trap type.
774 * @init_action: Initial trap action.
775 * @generic: Whether the trap is generic or not.
776 * @id: Trap identifier.
777 * @name: Trap name.
778 * @init_group_id: Initial group identifier.
779 * @metadata_cap: Metadata types that can be provided by the trap.
780 *
781 * Describes immutable attributes of packet traps that drivers register with
782 * devlink.
783 */
784struct devlink_trap {
785 enum devlink_trap_type type;
786 enum devlink_trap_action init_action;
787 bool generic;
788 u16 id;
789 const char *name;
790 u16 init_group_id;
791 u32 metadata_cap;
792};
793
794/* All traps must be documented in
795 * Documentation/networking/devlink/devlink-trap.rst
796 */
797enum devlink_trap_generic_id {
798 DEVLINK_TRAP_GENERIC_ID_SMAC_MC,
799 DEVLINK_TRAP_GENERIC_ID_VLAN_TAG_MISMATCH,
800 DEVLINK_TRAP_GENERIC_ID_INGRESS_VLAN_FILTER,
801 DEVLINK_TRAP_GENERIC_ID_INGRESS_STP_FILTER,
802 DEVLINK_TRAP_GENERIC_ID_EMPTY_TX_LIST,
803 DEVLINK_TRAP_GENERIC_ID_PORT_LOOPBACK_FILTER,
804 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_ROUTE,
805 DEVLINK_TRAP_GENERIC_ID_TTL_ERROR,
806 DEVLINK_TRAP_GENERIC_ID_TAIL_DROP,
807 DEVLINK_TRAP_GENERIC_ID_NON_IP_PACKET,
808 DEVLINK_TRAP_GENERIC_ID_UC_DIP_MC_DMAC,
809 DEVLINK_TRAP_GENERIC_ID_DIP_LB,
810 DEVLINK_TRAP_GENERIC_ID_SIP_MC,
811 DEVLINK_TRAP_GENERIC_ID_SIP_LB,
812 DEVLINK_TRAP_GENERIC_ID_CORRUPTED_IP_HDR,
813 DEVLINK_TRAP_GENERIC_ID_IPV4_SIP_BC,
814 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_RESERVED_SCOPE,
815 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE,
816 DEVLINK_TRAP_GENERIC_ID_MTU_ERROR,
817 DEVLINK_TRAP_GENERIC_ID_UNRESOLVED_NEIGH,
818 DEVLINK_TRAP_GENERIC_ID_RPF,
819 DEVLINK_TRAP_GENERIC_ID_REJECT_ROUTE,
820 DEVLINK_TRAP_GENERIC_ID_IPV4_LPM_UNICAST_MISS,
821 DEVLINK_TRAP_GENERIC_ID_IPV6_LPM_UNICAST_MISS,
822 DEVLINK_TRAP_GENERIC_ID_NON_ROUTABLE,
823 DEVLINK_TRAP_GENERIC_ID_DECAP_ERROR,
824 DEVLINK_TRAP_GENERIC_ID_OVERLAY_SMAC_MC,
825 DEVLINK_TRAP_GENERIC_ID_INGRESS_FLOW_ACTION_DROP,
826 DEVLINK_TRAP_GENERIC_ID_EGRESS_FLOW_ACTION_DROP,
827 DEVLINK_TRAP_GENERIC_ID_STP,
828 DEVLINK_TRAP_GENERIC_ID_LACP,
829 DEVLINK_TRAP_GENERIC_ID_LLDP,
830 DEVLINK_TRAP_GENERIC_ID_IGMP_QUERY,
831 DEVLINK_TRAP_GENERIC_ID_IGMP_V1_REPORT,
832 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_REPORT,
833 DEVLINK_TRAP_GENERIC_ID_IGMP_V3_REPORT,
834 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_LEAVE,
835 DEVLINK_TRAP_GENERIC_ID_MLD_QUERY,
836 DEVLINK_TRAP_GENERIC_ID_MLD_V1_REPORT,
837 DEVLINK_TRAP_GENERIC_ID_MLD_V2_REPORT,
838 DEVLINK_TRAP_GENERIC_ID_MLD_V1_DONE,
839 DEVLINK_TRAP_GENERIC_ID_IPV4_DHCP,
840 DEVLINK_TRAP_GENERIC_ID_IPV6_DHCP,
841 DEVLINK_TRAP_GENERIC_ID_ARP_REQUEST,
842 DEVLINK_TRAP_GENERIC_ID_ARP_RESPONSE,
843 DEVLINK_TRAP_GENERIC_ID_ARP_OVERLAY,
844 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_SOLICIT,
845 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_ADVERT,
846 DEVLINK_TRAP_GENERIC_ID_IPV4_BFD,
847 DEVLINK_TRAP_GENERIC_ID_IPV6_BFD,
848 DEVLINK_TRAP_GENERIC_ID_IPV4_OSPF,
849 DEVLINK_TRAP_GENERIC_ID_IPV6_OSPF,
850 DEVLINK_TRAP_GENERIC_ID_IPV4_BGP,
851 DEVLINK_TRAP_GENERIC_ID_IPV6_BGP,
852 DEVLINK_TRAP_GENERIC_ID_IPV4_VRRP,
853 DEVLINK_TRAP_GENERIC_ID_IPV6_VRRP,
854 DEVLINK_TRAP_GENERIC_ID_IPV4_PIM,
855 DEVLINK_TRAP_GENERIC_ID_IPV6_PIM,
856 DEVLINK_TRAP_GENERIC_ID_UC_LB,
857 DEVLINK_TRAP_GENERIC_ID_LOCAL_ROUTE,
858 DEVLINK_TRAP_GENERIC_ID_EXTERNAL_ROUTE,
859 DEVLINK_TRAP_GENERIC_ID_IPV6_UC_DIP_LINK_LOCAL_SCOPE,
860 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_NODES,
861 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_ROUTERS,
862 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_SOLICIT,
863 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ADVERT,
864 DEVLINK_TRAP_GENERIC_ID_IPV6_REDIRECT,
865 DEVLINK_TRAP_GENERIC_ID_IPV4_ROUTER_ALERT,
866 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ALERT,
867 DEVLINK_TRAP_GENERIC_ID_PTP_EVENT,
868 DEVLINK_TRAP_GENERIC_ID_PTP_GENERAL,
869 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_SAMPLE,
870 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_TRAP,
871 DEVLINK_TRAP_GENERIC_ID_EARLY_DROP,
872 DEVLINK_TRAP_GENERIC_ID_VXLAN_PARSING,
873 DEVLINK_TRAP_GENERIC_ID_LLC_SNAP_PARSING,
874 DEVLINK_TRAP_GENERIC_ID_VLAN_PARSING,
875 DEVLINK_TRAP_GENERIC_ID_PPPOE_PPP_PARSING,
876 DEVLINK_TRAP_GENERIC_ID_MPLS_PARSING,
877 DEVLINK_TRAP_GENERIC_ID_ARP_PARSING,
878 DEVLINK_TRAP_GENERIC_ID_IP_1_PARSING,
879 DEVLINK_TRAP_GENERIC_ID_IP_N_PARSING,
880 DEVLINK_TRAP_GENERIC_ID_GRE_PARSING,
881 DEVLINK_TRAP_GENERIC_ID_UDP_PARSING,
882 DEVLINK_TRAP_GENERIC_ID_TCP_PARSING,
883 DEVLINK_TRAP_GENERIC_ID_IPSEC_PARSING,
884 DEVLINK_TRAP_GENERIC_ID_SCTP_PARSING,
885 DEVLINK_TRAP_GENERIC_ID_DCCP_PARSING,
886 DEVLINK_TRAP_GENERIC_ID_GTP_PARSING,
887 DEVLINK_TRAP_GENERIC_ID_ESP_PARSING,
888 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_NEXTHOP,
889 DEVLINK_TRAP_GENERIC_ID_DMAC_FILTER,
890
891 /* Add new generic trap IDs above */
892 __DEVLINK_TRAP_GENERIC_ID_MAX,
893 DEVLINK_TRAP_GENERIC_ID_MAX = __DEVLINK_TRAP_GENERIC_ID_MAX - 1,
894};
895
896/* All trap groups must be documented in
897 * Documentation/networking/devlink/devlink-trap.rst
898 */
899enum devlink_trap_group_generic_id {
900 DEVLINK_TRAP_GROUP_GENERIC_ID_L2_DROPS,
901 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_DROPS,
902 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_EXCEPTIONS,
903 DEVLINK_TRAP_GROUP_GENERIC_ID_BUFFER_DROPS,
904 DEVLINK_TRAP_GROUP_GENERIC_ID_TUNNEL_DROPS,
905 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_DROPS,
906 DEVLINK_TRAP_GROUP_GENERIC_ID_STP,
907 DEVLINK_TRAP_GROUP_GENERIC_ID_LACP,
908 DEVLINK_TRAP_GROUP_GENERIC_ID_LLDP,
909 DEVLINK_TRAP_GROUP_GENERIC_ID_MC_SNOOPING,
910 DEVLINK_TRAP_GROUP_GENERIC_ID_DHCP,
911 DEVLINK_TRAP_GROUP_GENERIC_ID_NEIGH_DISCOVERY,
912 DEVLINK_TRAP_GROUP_GENERIC_ID_BFD,
913 DEVLINK_TRAP_GROUP_GENERIC_ID_OSPF,
914 DEVLINK_TRAP_GROUP_GENERIC_ID_BGP,
915 DEVLINK_TRAP_GROUP_GENERIC_ID_VRRP,
916 DEVLINK_TRAP_GROUP_GENERIC_ID_PIM,
917 DEVLINK_TRAP_GROUP_GENERIC_ID_UC_LB,
918 DEVLINK_TRAP_GROUP_GENERIC_ID_LOCAL_DELIVERY,
919 DEVLINK_TRAP_GROUP_GENERIC_ID_EXTERNAL_DELIVERY,
920 DEVLINK_TRAP_GROUP_GENERIC_ID_IPV6,
921 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_EVENT,
922 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_GENERAL,
923 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_SAMPLE,
924 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_TRAP,
925 DEVLINK_TRAP_GROUP_GENERIC_ID_PARSER_ERROR_DROPS,
926
927 /* Add new generic trap group IDs above */
928 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX,
929 DEVLINK_TRAP_GROUP_GENERIC_ID_MAX =
930 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX - 1,
931};
932
933#define DEVLINK_TRAP_GENERIC_NAME_SMAC_MC \
934 "source_mac_is_multicast"
935#define DEVLINK_TRAP_GENERIC_NAME_VLAN_TAG_MISMATCH \
936 "vlan_tag_mismatch"
937#define DEVLINK_TRAP_GENERIC_NAME_INGRESS_VLAN_FILTER \
938 "ingress_vlan_filter"
939#define DEVLINK_TRAP_GENERIC_NAME_INGRESS_STP_FILTER \
940 "ingress_spanning_tree_filter"
941#define DEVLINK_TRAP_GENERIC_NAME_EMPTY_TX_LIST \
942 "port_list_is_empty"
943#define DEVLINK_TRAP_GENERIC_NAME_PORT_LOOPBACK_FILTER \
944 "port_loopback_filter"
945#define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_ROUTE \
946 "blackhole_route"
947#define DEVLINK_TRAP_GENERIC_NAME_TTL_ERROR \
948 "ttl_value_is_too_small"
949#define DEVLINK_TRAP_GENERIC_NAME_TAIL_DROP \
950 "tail_drop"
951#define DEVLINK_TRAP_GENERIC_NAME_NON_IP_PACKET \
952 "non_ip"
953#define DEVLINK_TRAP_GENERIC_NAME_UC_DIP_MC_DMAC \
954 "uc_dip_over_mc_dmac"
955#define DEVLINK_TRAP_GENERIC_NAME_DIP_LB \
956 "dip_is_loopback_address"
957#define DEVLINK_TRAP_GENERIC_NAME_SIP_MC \
958 "sip_is_mc"
959#define DEVLINK_TRAP_GENERIC_NAME_SIP_LB \
960 "sip_is_loopback_address"
961#define DEVLINK_TRAP_GENERIC_NAME_CORRUPTED_IP_HDR \
962 "ip_header_corrupted"
963#define DEVLINK_TRAP_GENERIC_NAME_IPV4_SIP_BC \
964 "ipv4_sip_is_limited_bc"
965#define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_RESERVED_SCOPE \
966 "ipv6_mc_dip_reserved_scope"
967#define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE \
968 "ipv6_mc_dip_interface_local_scope"
969#define DEVLINK_TRAP_GENERIC_NAME_MTU_ERROR \
970 "mtu_value_is_too_small"
971#define DEVLINK_TRAP_GENERIC_NAME_UNRESOLVED_NEIGH \
972 "unresolved_neigh"
973#define DEVLINK_TRAP_GENERIC_NAME_RPF \
974 "mc_reverse_path_forwarding"
975#define DEVLINK_TRAP_GENERIC_NAME_REJECT_ROUTE \
976 "reject_route"
977#define DEVLINK_TRAP_GENERIC_NAME_IPV4_LPM_UNICAST_MISS \
978 "ipv4_lpm_miss"
979#define DEVLINK_TRAP_GENERIC_NAME_IPV6_LPM_UNICAST_MISS \
980 "ipv6_lpm_miss"
981#define DEVLINK_TRAP_GENERIC_NAME_NON_ROUTABLE \
982 "non_routable_packet"
983#define DEVLINK_TRAP_GENERIC_NAME_DECAP_ERROR \
984 "decap_error"
985#define DEVLINK_TRAP_GENERIC_NAME_OVERLAY_SMAC_MC \
986 "overlay_smac_is_mc"
987#define DEVLINK_TRAP_GENERIC_NAME_INGRESS_FLOW_ACTION_DROP \
988 "ingress_flow_action_drop"
989#define DEVLINK_TRAP_GENERIC_NAME_EGRESS_FLOW_ACTION_DROP \
990 "egress_flow_action_drop"
991#define DEVLINK_TRAP_GENERIC_NAME_STP \
992 "stp"
993#define DEVLINK_TRAP_GENERIC_NAME_LACP \
994 "lacp"
995#define DEVLINK_TRAP_GENERIC_NAME_LLDP \
996 "lldp"
997#define DEVLINK_TRAP_GENERIC_NAME_IGMP_QUERY \
998 "igmp_query"
999#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V1_REPORT \
1000 "igmp_v1_report"
1001#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_REPORT \
1002 "igmp_v2_report"
1003#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V3_REPORT \
1004 "igmp_v3_report"
1005#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_LEAVE \
1006 "igmp_v2_leave"
1007#define DEVLINK_TRAP_GENERIC_NAME_MLD_QUERY \
1008 "mld_query"
1009#define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_REPORT \
1010 "mld_v1_report"
1011#define DEVLINK_TRAP_GENERIC_NAME_MLD_V2_REPORT \
1012 "mld_v2_report"
1013#define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_DONE \
1014 "mld_v1_done"
1015#define DEVLINK_TRAP_GENERIC_NAME_IPV4_DHCP \
1016 "ipv4_dhcp"
1017#define DEVLINK_TRAP_GENERIC_NAME_IPV6_DHCP \
1018 "ipv6_dhcp"
1019#define DEVLINK_TRAP_GENERIC_NAME_ARP_REQUEST \
1020 "arp_request"
1021#define DEVLINK_TRAP_GENERIC_NAME_ARP_RESPONSE \
1022 "arp_response"
1023#define DEVLINK_TRAP_GENERIC_NAME_ARP_OVERLAY \
1024 "arp_overlay"
1025#define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_SOLICIT \
1026 "ipv6_neigh_solicit"
1027#define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_ADVERT \
1028 "ipv6_neigh_advert"
1029#define DEVLINK_TRAP_GENERIC_NAME_IPV4_BFD \
1030 "ipv4_bfd"
1031#define DEVLINK_TRAP_GENERIC_NAME_IPV6_BFD \
1032 "ipv6_bfd"
1033#define DEVLINK_TRAP_GENERIC_NAME_IPV4_OSPF \
1034 "ipv4_ospf"
1035#define DEVLINK_TRAP_GENERIC_NAME_IPV6_OSPF \
1036 "ipv6_ospf"
1037#define DEVLINK_TRAP_GENERIC_NAME_IPV4_BGP \
1038 "ipv4_bgp"
1039#define DEVLINK_TRAP_GENERIC_NAME_IPV6_BGP \
1040 "ipv6_bgp"
1041#define DEVLINK_TRAP_GENERIC_NAME_IPV4_VRRP \
1042 "ipv4_vrrp"
1043#define DEVLINK_TRAP_GENERIC_NAME_IPV6_VRRP \
1044 "ipv6_vrrp"
1045#define DEVLINK_TRAP_GENERIC_NAME_IPV4_PIM \
1046 "ipv4_pim"
1047#define DEVLINK_TRAP_GENERIC_NAME_IPV6_PIM \
1048 "ipv6_pim"
1049#define DEVLINK_TRAP_GENERIC_NAME_UC_LB \
1050 "uc_loopback"
1051#define DEVLINK_TRAP_GENERIC_NAME_LOCAL_ROUTE \
1052 "local_route"
1053#define DEVLINK_TRAP_GENERIC_NAME_EXTERNAL_ROUTE \
1054 "external_route"
1055#define DEVLINK_TRAP_GENERIC_NAME_IPV6_UC_DIP_LINK_LOCAL_SCOPE \
1056 "ipv6_uc_dip_link_local_scope"
1057#define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_NODES \
1058 "ipv6_dip_all_nodes"
1059#define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_ROUTERS \
1060 "ipv6_dip_all_routers"
1061#define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_SOLICIT \
1062 "ipv6_router_solicit"
1063#define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ADVERT \
1064 "ipv6_router_advert"
1065#define DEVLINK_TRAP_GENERIC_NAME_IPV6_REDIRECT \
1066 "ipv6_redirect"
1067#define DEVLINK_TRAP_GENERIC_NAME_IPV4_ROUTER_ALERT \
1068 "ipv4_router_alert"
1069#define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ALERT \
1070 "ipv6_router_alert"
1071#define DEVLINK_TRAP_GENERIC_NAME_PTP_EVENT \
1072 "ptp_event"
1073#define DEVLINK_TRAP_GENERIC_NAME_PTP_GENERAL \
1074 "ptp_general"
1075#define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_SAMPLE \
1076 "flow_action_sample"
1077#define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_TRAP \
1078 "flow_action_trap"
1079#define DEVLINK_TRAP_GENERIC_NAME_EARLY_DROP \
1080 "early_drop"
1081#define DEVLINK_TRAP_GENERIC_NAME_VXLAN_PARSING \
1082 "vxlan_parsing"
1083#define DEVLINK_TRAP_GENERIC_NAME_LLC_SNAP_PARSING \
1084 "llc_snap_parsing"
1085#define DEVLINK_TRAP_GENERIC_NAME_VLAN_PARSING \
1086 "vlan_parsing"
1087#define DEVLINK_TRAP_GENERIC_NAME_PPPOE_PPP_PARSING \
1088 "pppoe_ppp_parsing"
1089#define DEVLINK_TRAP_GENERIC_NAME_MPLS_PARSING \
1090 "mpls_parsing"
1091#define DEVLINK_TRAP_GENERIC_NAME_ARP_PARSING \
1092 "arp_parsing"
1093#define DEVLINK_TRAP_GENERIC_NAME_IP_1_PARSING \
1094 "ip_1_parsing"
1095#define DEVLINK_TRAP_GENERIC_NAME_IP_N_PARSING \
1096 "ip_n_parsing"
1097#define DEVLINK_TRAP_GENERIC_NAME_GRE_PARSING \
1098 "gre_parsing"
1099#define DEVLINK_TRAP_GENERIC_NAME_UDP_PARSING \
1100 "udp_parsing"
1101#define DEVLINK_TRAP_GENERIC_NAME_TCP_PARSING \
1102 "tcp_parsing"
1103#define DEVLINK_TRAP_GENERIC_NAME_IPSEC_PARSING \
1104 "ipsec_parsing"
1105#define DEVLINK_TRAP_GENERIC_NAME_SCTP_PARSING \
1106 "sctp_parsing"
1107#define DEVLINK_TRAP_GENERIC_NAME_DCCP_PARSING \
1108 "dccp_parsing"
1109#define DEVLINK_TRAP_GENERIC_NAME_GTP_PARSING \
1110 "gtp_parsing"
1111#define DEVLINK_TRAP_GENERIC_NAME_ESP_PARSING \
1112 "esp_parsing"
1113#define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_NEXTHOP \
1114 "blackhole_nexthop"
1115#define DEVLINK_TRAP_GENERIC_NAME_DMAC_FILTER \
1116 "dmac_filter"
1117
1118#define DEVLINK_TRAP_GROUP_GENERIC_NAME_L2_DROPS \
1119 "l2_drops"
1120#define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_DROPS \
1121 "l3_drops"
1122#define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_EXCEPTIONS \
1123 "l3_exceptions"
1124#define DEVLINK_TRAP_GROUP_GENERIC_NAME_BUFFER_DROPS \
1125 "buffer_drops"
1126#define DEVLINK_TRAP_GROUP_GENERIC_NAME_TUNNEL_DROPS \
1127 "tunnel_drops"
1128#define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_DROPS \
1129 "acl_drops"
1130#define DEVLINK_TRAP_GROUP_GENERIC_NAME_STP \
1131 "stp"
1132#define DEVLINK_TRAP_GROUP_GENERIC_NAME_LACP \
1133 "lacp"
1134#define DEVLINK_TRAP_GROUP_GENERIC_NAME_LLDP \
1135 "lldp"
1136#define DEVLINK_TRAP_GROUP_GENERIC_NAME_MC_SNOOPING \
1137 "mc_snooping"
1138#define DEVLINK_TRAP_GROUP_GENERIC_NAME_DHCP \
1139 "dhcp"
1140#define DEVLINK_TRAP_GROUP_GENERIC_NAME_NEIGH_DISCOVERY \
1141 "neigh_discovery"
1142#define DEVLINK_TRAP_GROUP_GENERIC_NAME_BFD \
1143 "bfd"
1144#define DEVLINK_TRAP_GROUP_GENERIC_NAME_OSPF \
1145 "ospf"
1146#define DEVLINK_TRAP_GROUP_GENERIC_NAME_BGP \
1147 "bgp"
1148#define DEVLINK_TRAP_GROUP_GENERIC_NAME_VRRP \
1149 "vrrp"
1150#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PIM \
1151 "pim"
1152#define DEVLINK_TRAP_GROUP_GENERIC_NAME_UC_LB \
1153 "uc_loopback"
1154#define DEVLINK_TRAP_GROUP_GENERIC_NAME_LOCAL_DELIVERY \
1155 "local_delivery"
1156#define DEVLINK_TRAP_GROUP_GENERIC_NAME_EXTERNAL_DELIVERY \
1157 "external_delivery"
1158#define DEVLINK_TRAP_GROUP_GENERIC_NAME_IPV6 \
1159 "ipv6"
1160#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_EVENT \
1161 "ptp_event"
1162#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_GENERAL \
1163 "ptp_general"
1164#define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_SAMPLE \
1165 "acl_sample"
1166#define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_TRAP \
1167 "acl_trap"
1168#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PARSER_ERROR_DROPS \
1169 "parser_error_drops"
1170
1171#define DEVLINK_TRAP_GENERIC(_type, _init_action, _id, _group_id, \
1172 _metadata_cap) \
1173 { \
1174 .type = DEVLINK_TRAP_TYPE_##_type, \
1175 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \
1176 .generic = true, \
1177 .id = DEVLINK_TRAP_GENERIC_ID_##_id, \
1178 .name = DEVLINK_TRAP_GENERIC_NAME_##_id, \
1179 .init_group_id = _group_id, \
1180 .metadata_cap = _metadata_cap, \
1181 }
1182
1183#define DEVLINK_TRAP_DRIVER(_type, _init_action, _id, _name, _group_id, \
1184 _metadata_cap) \
1185 { \
1186 .type = DEVLINK_TRAP_TYPE_##_type, \
1187 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \
1188 .generic = false, \
1189 .id = _id, \
1190 .name = _name, \
1191 .init_group_id = _group_id, \
1192 .metadata_cap = _metadata_cap, \
1193 }
1194
1195#define DEVLINK_TRAP_GROUP_GENERIC(_id, _policer_id) \
1196 { \
1197 .name = DEVLINK_TRAP_GROUP_GENERIC_NAME_##_id, \
1198 .id = DEVLINK_TRAP_GROUP_GENERIC_ID_##_id, \
1199 .generic = true, \
1200 .init_policer_id = _policer_id, \
1201 }
1202
1203#define DEVLINK_TRAP_POLICER(_id, _rate, _burst, _max_rate, _min_rate, \
1204 _max_burst, _min_burst) \
1205 { \
1206 .id = _id, \
1207 .init_rate = _rate, \
1208 .init_burst = _burst, \
1209 .max_rate = _max_rate, \
1210 .min_rate = _min_rate, \
1211 .max_burst = _max_burst, \
1212 .min_burst = _min_burst, \
1213 }
1214
1215struct devlink_ops {
1216 /**
1217 * @supported_flash_update_params:
1218 * mask of parameters supported by the driver's .flash_update
1219 * implemementation.
1220 */
1221 u32 supported_flash_update_params;
1222 unsigned long reload_actions;
1223 unsigned long reload_limits;
1224 int (*reload_down)(struct devlink *devlink, bool netns_change,
1225 enum devlink_reload_action action,
1226 enum devlink_reload_limit limit,
1227 struct netlink_ext_ack *extack);
1228 int (*reload_up)(struct devlink *devlink, enum devlink_reload_action action,
1229 enum devlink_reload_limit limit, u32 *actions_performed,
1230 struct netlink_ext_ack *extack);
1231 int (*port_type_set)(struct devlink_port *devlink_port,
1232 enum devlink_port_type port_type);
1233 int (*port_split)(struct devlink *devlink, unsigned int port_index,
1234 unsigned int count, struct netlink_ext_ack *extack);
1235 int (*port_unsplit)(struct devlink *devlink, unsigned int port_index,
1236 struct netlink_ext_ack *extack);
1237 int (*sb_pool_get)(struct devlink *devlink, unsigned int sb_index,
1238 u16 pool_index,
1239 struct devlink_sb_pool_info *pool_info);
1240 int (*sb_pool_set)(struct devlink *devlink, unsigned int sb_index,
1241 u16 pool_index, u32 size,
1242 enum devlink_sb_threshold_type threshold_type,
1243 struct netlink_ext_ack *extack);
1244 int (*sb_port_pool_get)(struct devlink_port *devlink_port,
1245 unsigned int sb_index, u16 pool_index,
1246 u32 *p_threshold);
1247 int (*sb_port_pool_set)(struct devlink_port *devlink_port,
1248 unsigned int sb_index, u16 pool_index,
1249 u32 threshold, struct netlink_ext_ack *extack);
1250 int (*sb_tc_pool_bind_get)(struct devlink_port *devlink_port,
1251 unsigned int sb_index,
1252 u16 tc_index,
1253 enum devlink_sb_pool_type pool_type,
1254 u16 *p_pool_index, u32 *p_threshold);
1255 int (*sb_tc_pool_bind_set)(struct devlink_port *devlink_port,
1256 unsigned int sb_index,
1257 u16 tc_index,
1258 enum devlink_sb_pool_type pool_type,
1259 u16 pool_index, u32 threshold,
1260 struct netlink_ext_ack *extack);
1261 int (*sb_occ_snapshot)(struct devlink *devlink,
1262 unsigned int sb_index);
1263 int (*sb_occ_max_clear)(struct devlink *devlink,
1264 unsigned int sb_index);
1265 int (*sb_occ_port_pool_get)(struct devlink_port *devlink_port,
1266 unsigned int sb_index, u16 pool_index,
1267 u32 *p_cur, u32 *p_max);
1268 int (*sb_occ_tc_port_bind_get)(struct devlink_port *devlink_port,
1269 unsigned int sb_index,
1270 u16 tc_index,
1271 enum devlink_sb_pool_type pool_type,
1272 u32 *p_cur, u32 *p_max);
1273
1274 int (*eswitch_mode_get)(struct devlink *devlink, u16 *p_mode);
1275 int (*eswitch_mode_set)(struct devlink *devlink, u16 mode,
1276 struct netlink_ext_ack *extack);
1277 int (*eswitch_inline_mode_get)(struct devlink *devlink, u8 *p_inline_mode);
1278 int (*eswitch_inline_mode_set)(struct devlink *devlink, u8 inline_mode,
1279 struct netlink_ext_ack *extack);
1280 int (*eswitch_encap_mode_get)(struct devlink *devlink,
1281 enum devlink_eswitch_encap_mode *p_encap_mode);
1282 int (*eswitch_encap_mode_set)(struct devlink *devlink,
1283 enum devlink_eswitch_encap_mode encap_mode,
1284 struct netlink_ext_ack *extack);
1285 int (*info_get)(struct devlink *devlink, struct devlink_info_req *req,
1286 struct netlink_ext_ack *extack);
1287 /**
1288 * @flash_update: Device flash update function
1289 *
1290 * Used to perform a flash update for the device. The set of
1291 * parameters supported by the driver should be set in
1292 * supported_flash_update_params.
1293 */
1294 int (*flash_update)(struct devlink *devlink,
1295 struct devlink_flash_update_params *params,
1296 struct netlink_ext_ack *extack);
1297 /**
1298 * @trap_init: Trap initialization function.
1299 *
1300 * Should be used by device drivers to initialize the trap in the
1301 * underlying device. Drivers should also store the provided trap
1302 * context, so that they could efficiently pass it to
1303 * devlink_trap_report() when the trap is triggered.
1304 */
1305 int (*trap_init)(struct devlink *devlink,
1306 const struct devlink_trap *trap, void *trap_ctx);
1307 /**
1308 * @trap_fini: Trap de-initialization function.
1309 *
1310 * Should be used by device drivers to de-initialize the trap in the
1311 * underlying device.
1312 */
1313 void (*trap_fini)(struct devlink *devlink,
1314 const struct devlink_trap *trap, void *trap_ctx);
1315 /**
1316 * @trap_action_set: Trap action set function.
1317 */
1318 int (*trap_action_set)(struct devlink *devlink,
1319 const struct devlink_trap *trap,
1320 enum devlink_trap_action action,
1321 struct netlink_ext_ack *extack);
1322 /**
1323 * @trap_group_init: Trap group initialization function.
1324 *
1325 * Should be used by device drivers to initialize the trap group in the
1326 * underlying device.
1327 */
1328 int (*trap_group_init)(struct devlink *devlink,
1329 const struct devlink_trap_group *group);
1330 /**
1331 * @trap_group_set: Trap group parameters set function.
1332 *
1333 * Note: @policer can be NULL when a policer is being unbound from
1334 * @group.
1335 */
1336 int (*trap_group_set)(struct devlink *devlink,
1337 const struct devlink_trap_group *group,
1338 const struct devlink_trap_policer *policer,
1339 struct netlink_ext_ack *extack);
1340 /**
1341 * @trap_group_action_set: Trap group action set function.
1342 *
1343 * If this callback is populated, it will take precedence over looping
1344 * over all traps in a group and calling .trap_action_set().
1345 */
1346 int (*trap_group_action_set)(struct devlink *devlink,
1347 const struct devlink_trap_group *group,
1348 enum devlink_trap_action action,
1349 struct netlink_ext_ack *extack);
1350 /**
1351 * @trap_drop_counter_get: Trap drop counter get function.
1352 *
1353 * Should be used by device drivers to report number of packets
1354 * that have been dropped, and cannot be passed to the devlink
1355 * subsystem by the underlying device.
1356 */
1357 int (*trap_drop_counter_get)(struct devlink *devlink,
1358 const struct devlink_trap *trap,
1359 u64 *p_drops);
1360 /**
1361 * @trap_policer_init: Trap policer initialization function.
1362 *
1363 * Should be used by device drivers to initialize the trap policer in
1364 * the underlying device.
1365 */
1366 int (*trap_policer_init)(struct devlink *devlink,
1367 const struct devlink_trap_policer *policer);
1368 /**
1369 * @trap_policer_fini: Trap policer de-initialization function.
1370 *
1371 * Should be used by device drivers to de-initialize the trap policer
1372 * in the underlying device.
1373 */
1374 void (*trap_policer_fini)(struct devlink *devlink,
1375 const struct devlink_trap_policer *policer);
1376 /**
1377 * @trap_policer_set: Trap policer parameters set function.
1378 */
1379 int (*trap_policer_set)(struct devlink *devlink,
1380 const struct devlink_trap_policer *policer,
1381 u64 rate, u64 burst,
1382 struct netlink_ext_ack *extack);
1383 /**
1384 * @trap_policer_counter_get: Trap policer counter get function.
1385 *
1386 * Should be used by device drivers to report number of packets dropped
1387 * by the policer.
1388 */
1389 int (*trap_policer_counter_get)(struct devlink *devlink,
1390 const struct devlink_trap_policer *policer,
1391 u64 *p_drops);
1392 /**
1393 * @port_function_hw_addr_get: Port function's hardware address get function.
1394 *
1395 * Should be used by device drivers to report the hardware address of a function managed
1396 * by the devlink port. Driver should return -EOPNOTSUPP if it doesn't support port
1397 * function handling for a particular port.
1398 *
1399 * Note: @extack can be NULL when port notifier queries the port function.
1400 */
1401 int (*port_function_hw_addr_get)(struct devlink *devlink, struct devlink_port *port,
1402 u8 *hw_addr, int *hw_addr_len,
1403 struct netlink_ext_ack *extack);
1404 /**
1405 * @port_function_hw_addr_set: Port function's hardware address set function.
1406 *
1407 * Should be used by device drivers to set the hardware address of a function managed
1408 * by the devlink port. Driver should return -EOPNOTSUPP if it doesn't support port
1409 * function handling for a particular port.
1410 */
1411 int (*port_function_hw_addr_set)(struct devlink *devlink, struct devlink_port *port,
1412 const u8 *hw_addr, int hw_addr_len,
1413 struct netlink_ext_ack *extack);
1414 /**
1415 * port_new() - Add a new port function of a specified flavor
1416 * @devlink: Devlink instance
1417 * @attrs: attributes of the new port
1418 * @extack: extack for reporting error messages
1419 * @new_port_index: index of the new port
1420 *
1421 * Devlink core will call this device driver function upon user request
1422 * to create a new port function of a specified flavor and optional
1423 * attributes
1424 *
1425 * Notes:
1426 * - Called without devlink instance lock being held. Drivers must
1427 * implement own means of synchronization
1428 * - On success, drivers must register a port with devlink core
1429 *
1430 * Return: 0 on success, negative value otherwise.
1431 */
1432 int (*port_new)(struct devlink *devlink,
1433 const struct devlink_port_new_attrs *attrs,
1434 struct netlink_ext_ack *extack,
1435 unsigned int *new_port_index);
1436 /**
1437 * port_del() - Delete a port function
1438 * @devlink: Devlink instance
1439 * @port_index: port function index to delete
1440 * @extack: extack for reporting error messages
1441 *
1442 * Devlink core will call this device driver function upon user request
1443 * to delete a previously created port function
1444 *
1445 * Notes:
1446 * - Called without devlink instance lock being held. Drivers must
1447 * implement own means of synchronization
1448 * - On success, drivers must unregister the corresponding devlink
1449 * port
1450 *
1451 * Return: 0 on success, negative value otherwise.
1452 */
1453 int (*port_del)(struct devlink *devlink, unsigned int port_index,
1454 struct netlink_ext_ack *extack);
1455 /**
1456 * port_fn_state_get() - Get the state of a port function
1457 * @devlink: Devlink instance
1458 * @port: The devlink port
1459 * @state: Admin configured state
1460 * @opstate: Current operational state
1461 * @extack: extack for reporting error messages
1462 *
1463 * Reports the admin and operational state of a devlink port function
1464 *
1465 * Return: 0 on success, negative value otherwise.
1466 */
1467 int (*port_fn_state_get)(struct devlink *devlink,
1468 struct devlink_port *port,
1469 enum devlink_port_fn_state *state,
1470 enum devlink_port_fn_opstate *opstate,
1471 struct netlink_ext_ack *extack);
1472 /**
1473 * port_fn_state_set() - Set the admin state of a port function
1474 * @devlink: Devlink instance
1475 * @port: The devlink port
1476 * @state: Admin state
1477 * @extack: extack for reporting error messages
1478 *
1479 * Set the admin state of a devlink port function
1480 *
1481 * Return: 0 on success, negative value otherwise.
1482 */
1483 int (*port_fn_state_set)(struct devlink *devlink,
1484 struct devlink_port *port,
1485 enum devlink_port_fn_state state,
1486 struct netlink_ext_ack *extack);
1487
1488 /**
1489 * Rate control callbacks.
1490 */
1491 int (*rate_leaf_tx_share_set)(struct devlink_rate *devlink_rate, void *priv,
1492 u64 tx_share, struct netlink_ext_ack *extack);
1493 int (*rate_leaf_tx_max_set)(struct devlink_rate *devlink_rate, void *priv,
1494 u64 tx_max, struct netlink_ext_ack *extack);
1495 int (*rate_node_tx_share_set)(struct devlink_rate *devlink_rate, void *priv,
1496 u64 tx_share, struct netlink_ext_ack *extack);
1497 int (*rate_node_tx_max_set)(struct devlink_rate *devlink_rate, void *priv,
1498 u64 tx_max, struct netlink_ext_ack *extack);
1499 int (*rate_node_new)(struct devlink_rate *rate_node, void **priv,
1500 struct netlink_ext_ack *extack);
1501 int (*rate_node_del)(struct devlink_rate *rate_node, void *priv,
1502 struct netlink_ext_ack *extack);
1503 int (*rate_leaf_parent_set)(struct devlink_rate *child,
1504 struct devlink_rate *parent,
1505 void *priv_child, void *priv_parent,
1506 struct netlink_ext_ack *extack);
1507 int (*rate_node_parent_set)(struct devlink_rate *child,
1508 struct devlink_rate *parent,
1509 void *priv_child, void *priv_parent,
1510 struct netlink_ext_ack *extack);
1511};
1512
1513static inline void *devlink_priv(struct devlink *devlink)
1514{
1515 BUG_ON(!devlink);
1516 return &devlink->priv;
1517}
1518
1519static inline struct devlink *priv_to_devlink(void *priv)
1520{
1521 BUG_ON(!priv);
1522 return container_of(priv, struct devlink, priv);
1523}
1524
1525static inline struct devlink_port *
1526netdev_to_devlink_port(struct net_device *dev)
1527{
1528 if (dev->netdev_ops->ndo_get_devlink_port)
1529 return dev->netdev_ops->ndo_get_devlink_port(dev);
1530 return NULL;
1531}
1532
1533static inline struct devlink *netdev_to_devlink(struct net_device *dev)
1534{
1535 struct devlink_port *devlink_port = netdev_to_devlink_port(dev);
1536
1537 if (devlink_port)
1538 return devlink_port->devlink;
1539 return NULL;
1540}
1541
1542struct ib_device;
1543
1544struct net *devlink_net(const struct devlink *devlink);
1545void devlink_net_set(struct devlink *devlink, struct net *net);
1546struct devlink *devlink_alloc(const struct devlink_ops *ops, size_t priv_size);
1547int devlink_register(struct devlink *devlink, struct device *dev);
1548void devlink_unregister(struct devlink *devlink);
1549void devlink_reload_enable(struct devlink *devlink);
1550void devlink_reload_disable(struct devlink *devlink);
1551void devlink_free(struct devlink *devlink);
1552int devlink_port_register(struct devlink *devlink,
1553 struct devlink_port *devlink_port,
1554 unsigned int port_index);
1555void devlink_port_unregister(struct devlink_port *devlink_port);
1556void devlink_port_type_eth_set(struct devlink_port *devlink_port,
1557 struct net_device *netdev);
1558void devlink_port_type_ib_set(struct devlink_port *devlink_port,
1559 struct ib_device *ibdev);
1560void devlink_port_type_clear(struct devlink_port *devlink_port);
1561void devlink_port_attrs_set(struct devlink_port *devlink_port,
1562 struct devlink_port_attrs *devlink_port_attrs);
1563void devlink_port_attrs_pci_pf_set(struct devlink_port *devlink_port, u32 controller,
1564 u16 pf, bool external);
1565void devlink_port_attrs_pci_vf_set(struct devlink_port *devlink_port, u32 controller,
1566 u16 pf, u16 vf, bool external);
1567void devlink_port_attrs_pci_sf_set(struct devlink_port *devlink_port,
1568 u32 controller, u16 pf, u32 sf,
1569 bool external);
1570int devlink_rate_leaf_create(struct devlink_port *port, void *priv);
1571void devlink_rate_leaf_destroy(struct devlink_port *devlink_port);
1572void devlink_rate_nodes_destroy(struct devlink *devlink);
1573int devlink_sb_register(struct devlink *devlink, unsigned int sb_index,
1574 u32 size, u16 ingress_pools_count,
1575 u16 egress_pools_count, u16 ingress_tc_count,
1576 u16 egress_tc_count);
1577void devlink_sb_unregister(struct devlink *devlink, unsigned int sb_index);
1578int devlink_dpipe_table_register(struct devlink *devlink,
1579 const char *table_name,
1580 struct devlink_dpipe_table_ops *table_ops,
1581 void *priv, bool counter_control_extern);
1582void devlink_dpipe_table_unregister(struct devlink *devlink,
1583 const char *table_name);
1584int devlink_dpipe_headers_register(struct devlink *devlink,
1585 struct devlink_dpipe_headers *dpipe_headers);
1586void devlink_dpipe_headers_unregister(struct devlink *devlink);
1587bool devlink_dpipe_table_counter_enabled(struct devlink *devlink,
1588 const char *table_name);
1589int devlink_dpipe_entry_ctx_prepare(struct devlink_dpipe_dump_ctx *dump_ctx);
1590int devlink_dpipe_entry_ctx_append(struct devlink_dpipe_dump_ctx *dump_ctx,
1591 struct devlink_dpipe_entry *entry);
1592int devlink_dpipe_entry_ctx_close(struct devlink_dpipe_dump_ctx *dump_ctx);
1593void devlink_dpipe_entry_clear(struct devlink_dpipe_entry *entry);
1594int devlink_dpipe_action_put(struct sk_buff *skb,
1595 struct devlink_dpipe_action *action);
1596int devlink_dpipe_match_put(struct sk_buff *skb,
1597 struct devlink_dpipe_match *match);
1598extern struct devlink_dpipe_header devlink_dpipe_header_ethernet;
1599extern struct devlink_dpipe_header devlink_dpipe_header_ipv4;
1600extern struct devlink_dpipe_header devlink_dpipe_header_ipv6;
1601
1602int devlink_resource_register(struct devlink *devlink,
1603 const char *resource_name,
1604 u64 resource_size,
1605 u64 resource_id,
1606 u64 parent_resource_id,
1607 const struct devlink_resource_size_params *size_params);
1608void devlink_resources_unregister(struct devlink *devlink,
1609 struct devlink_resource *resource);
1610int devlink_resource_size_get(struct devlink *devlink,
1611 u64 resource_id,
1612 u64 *p_resource_size);
1613int devlink_dpipe_table_resource_set(struct devlink *devlink,
1614 const char *table_name, u64 resource_id,
1615 u64 resource_units);
1616void devlink_resource_occ_get_register(struct devlink *devlink,
1617 u64 resource_id,
1618 devlink_resource_occ_get_t *occ_get,
1619 void *occ_get_priv);
1620void devlink_resource_occ_get_unregister(struct devlink *devlink,
1621 u64 resource_id);
1622int devlink_params_register(struct devlink *devlink,
1623 const struct devlink_param *params,
1624 size_t params_count);
1625void devlink_params_unregister(struct devlink *devlink,
1626 const struct devlink_param *params,
1627 size_t params_count);
1628void devlink_params_publish(struct devlink *devlink);
1629void devlink_params_unpublish(struct devlink *devlink);
1630int devlink_port_params_register(struct devlink_port *devlink_port,
1631 const struct devlink_param *params,
1632 size_t params_count);
1633void devlink_port_params_unregister(struct devlink_port *devlink_port,
1634 const struct devlink_param *params,
1635 size_t params_count);
1636int devlink_param_driverinit_value_get(struct devlink *devlink, u32 param_id,
1637 union devlink_param_value *init_val);
1638int devlink_param_driverinit_value_set(struct devlink *devlink, u32 param_id,
1639 union devlink_param_value init_val);
1640int
1641devlink_port_param_driverinit_value_get(struct devlink_port *devlink_port,
1642 u32 param_id,
1643 union devlink_param_value *init_val);
1644int devlink_port_param_driverinit_value_set(struct devlink_port *devlink_port,
1645 u32 param_id,
1646 union devlink_param_value init_val);
1647void devlink_param_value_changed(struct devlink *devlink, u32 param_id);
1648void devlink_port_param_value_changed(struct devlink_port *devlink_port,
1649 u32 param_id);
1650void devlink_param_value_str_fill(union devlink_param_value *dst_val,
1651 const char *src);
1652struct devlink_region *
1653devlink_region_create(struct devlink *devlink,
1654 const struct devlink_region_ops *ops,
1655 u32 region_max_snapshots, u64 region_size);
1656struct devlink_region *
1657devlink_port_region_create(struct devlink_port *port,
1658 const struct devlink_port_region_ops *ops,
1659 u32 region_max_snapshots, u64 region_size);
1660void devlink_region_destroy(struct devlink_region *region);
1661void devlink_port_region_destroy(struct devlink_region *region);
1662
1663int devlink_region_snapshot_id_get(struct devlink *devlink, u32 *id);
1664void devlink_region_snapshot_id_put(struct devlink *devlink, u32 id);
1665int devlink_region_snapshot_create(struct devlink_region *region,
1666 u8 *data, u32 snapshot_id);
1667int devlink_info_serial_number_put(struct devlink_info_req *req,
1668 const char *sn);
1669int devlink_info_driver_name_put(struct devlink_info_req *req,
1670 const char *name);
1671int devlink_info_board_serial_number_put(struct devlink_info_req *req,
1672 const char *bsn);
1673int devlink_info_version_fixed_put(struct devlink_info_req *req,
1674 const char *version_name,
1675 const char *version_value);
1676int devlink_info_version_stored_put(struct devlink_info_req *req,
1677 const char *version_name,
1678 const char *version_value);
1679int devlink_info_version_running_put(struct devlink_info_req *req,
1680 const char *version_name,
1681 const char *version_value);
1682
1683int devlink_fmsg_obj_nest_start(struct devlink_fmsg *fmsg);
1684int devlink_fmsg_obj_nest_end(struct devlink_fmsg *fmsg);
1685
1686int devlink_fmsg_pair_nest_start(struct devlink_fmsg *fmsg, const char *name);
1687int devlink_fmsg_pair_nest_end(struct devlink_fmsg *fmsg);
1688
1689int devlink_fmsg_arr_pair_nest_start(struct devlink_fmsg *fmsg,
1690 const char *name);
1691int devlink_fmsg_arr_pair_nest_end(struct devlink_fmsg *fmsg);
1692int devlink_fmsg_binary_pair_nest_start(struct devlink_fmsg *fmsg,
1693 const char *name);
1694int devlink_fmsg_binary_pair_nest_end(struct devlink_fmsg *fmsg);
1695
1696int devlink_fmsg_bool_put(struct devlink_fmsg *fmsg, bool value);
1697int devlink_fmsg_u8_put(struct devlink_fmsg *fmsg, u8 value);
1698int devlink_fmsg_u32_put(struct devlink_fmsg *fmsg, u32 value);
1699int devlink_fmsg_u64_put(struct devlink_fmsg *fmsg, u64 value);
1700int devlink_fmsg_string_put(struct devlink_fmsg *fmsg, const char *value);
1701int devlink_fmsg_binary_put(struct devlink_fmsg *fmsg, const void *value,
1702 u16 value_len);
1703
1704int devlink_fmsg_bool_pair_put(struct devlink_fmsg *fmsg, const char *name,
1705 bool value);
1706int devlink_fmsg_u8_pair_put(struct devlink_fmsg *fmsg, const char *name,
1707 u8 value);
1708int devlink_fmsg_u32_pair_put(struct devlink_fmsg *fmsg, const char *name,
1709 u32 value);
1710int devlink_fmsg_u64_pair_put(struct devlink_fmsg *fmsg, const char *name,
1711 u64 value);
1712int devlink_fmsg_string_pair_put(struct devlink_fmsg *fmsg, const char *name,
1713 const char *value);
1714int devlink_fmsg_binary_pair_put(struct devlink_fmsg *fmsg, const char *name,
1715 const void *value, u32 value_len);
1716
1717struct devlink_health_reporter *
1718devlink_health_reporter_create(struct devlink *devlink,
1719 const struct devlink_health_reporter_ops *ops,
1720 u64 graceful_period, void *priv);
1721
1722struct devlink_health_reporter *
1723devlink_port_health_reporter_create(struct devlink_port *port,
1724 const struct devlink_health_reporter_ops *ops,
1725 u64 graceful_period, void *priv);
1726
1727void
1728devlink_health_reporter_destroy(struct devlink_health_reporter *reporter);
1729
1730void
1731devlink_port_health_reporter_destroy(struct devlink_health_reporter *reporter);
1732
1733void *
1734devlink_health_reporter_priv(struct devlink_health_reporter *reporter);
1735int devlink_health_report(struct devlink_health_reporter *reporter,
1736 const char *msg, void *priv_ctx);
1737void
1738devlink_health_reporter_state_update(struct devlink_health_reporter *reporter,
1739 enum devlink_health_reporter_state state);
1740void
1741devlink_health_reporter_recovery_done(struct devlink_health_reporter *reporter);
1742
1743bool devlink_is_reload_failed(const struct devlink *devlink);
1744void devlink_remote_reload_actions_performed(struct devlink *devlink,
1745 enum devlink_reload_limit limit,
1746 u32 actions_performed);
1747
1748void devlink_flash_update_status_notify(struct devlink *devlink,
1749 const char *status_msg,
1750 const char *component,
1751 unsigned long done,
1752 unsigned long total);
1753void devlink_flash_update_timeout_notify(struct devlink *devlink,
1754 const char *status_msg,
1755 const char *component,
1756 unsigned long timeout);
1757
1758int devlink_traps_register(struct devlink *devlink,
1759 const struct devlink_trap *traps,
1760 size_t traps_count, void *priv);
1761void devlink_traps_unregister(struct devlink *devlink,
1762 const struct devlink_trap *traps,
1763 size_t traps_count);
1764void devlink_trap_report(struct devlink *devlink, struct sk_buff *skb,
1765 void *trap_ctx, struct devlink_port *in_devlink_port,
1766 const struct flow_action_cookie *fa_cookie);
1767void *devlink_trap_ctx_priv(void *trap_ctx);
1768int devlink_trap_groups_register(struct devlink *devlink,
1769 const struct devlink_trap_group *groups,
1770 size_t groups_count);
1771void devlink_trap_groups_unregister(struct devlink *devlink,
1772 const struct devlink_trap_group *groups,
1773 size_t groups_count);
1774int
1775devlink_trap_policers_register(struct devlink *devlink,
1776 const struct devlink_trap_policer *policers,
1777 size_t policers_count);
1778void
1779devlink_trap_policers_unregister(struct devlink *devlink,
1780 const struct devlink_trap_policer *policers,
1781 size_t policers_count);
1782
1783#if IS_ENABLED(CONFIG_NET_DEVLINK)
1784
1785void devlink_compat_running_version(struct net_device *dev,
1786 char *buf, size_t len);
1787int devlink_compat_flash_update(struct net_device *dev, const char *file_name);
1788int devlink_compat_phys_port_name_get(struct net_device *dev,
1789 char *name, size_t len);
1790int devlink_compat_switch_id_get(struct net_device *dev,
1791 struct netdev_phys_item_id *ppid);
1792
1793#else
1794
1795static inline void
1796devlink_compat_running_version(struct net_device *dev, char *buf, size_t len)
1797{
1798}
1799
1800static inline int
1801devlink_compat_flash_update(struct net_device *dev, const char *file_name)
1802{
1803 return -EOPNOTSUPP;
1804}
1805
1806static inline int
1807devlink_compat_phys_port_name_get(struct net_device *dev,
1808 char *name, size_t len)
1809{
1810 return -EOPNOTSUPP;
1811}
1812
1813static inline int
1814devlink_compat_switch_id_get(struct net_device *dev,
1815 struct netdev_phys_item_id *ppid)
1816{
1817 return -EOPNOTSUPP;
1818}
1819
1820#endif
1821
1822#endif /* _NET_DEVLINK_H_ */