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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
24struct devlink;
25
26struct devlink_port_phys_attrs {
27 u32 port_number; /* Same value as "split group".
28 * A physical port which is visible to the user
29 * for a given port flavour.
30 */
31 u32 split_subport_number; /* If the port is split, this is the number of subport. */
32};
33
34/**
35 * struct devlink_port_pci_pf_attrs - devlink port's PCI PF attributes
36 * @controller: Associated controller number
37 * @pf: Associated PCI PF number for this port.
38 * @external: when set, indicates if a port is for an external controller
39 */
40struct devlink_port_pci_pf_attrs {
41 u32 controller;
42 u16 pf;
43 u8 external:1;
44};
45
46/**
47 * struct devlink_port_pci_vf_attrs - devlink port's PCI VF attributes
48 * @controller: Associated controller number
49 * @pf: Associated PCI PF number for this port.
50 * @vf: Associated PCI VF for of the PCI PF for this port.
51 * @external: when set, indicates if a port is for an external controller
52 */
53struct devlink_port_pci_vf_attrs {
54 u32 controller;
55 u16 pf;
56 u16 vf;
57 u8 external:1;
58};
59
60/**
61 * struct devlink_port_pci_sf_attrs - devlink port's PCI SF attributes
62 * @controller: Associated controller number
63 * @sf: Associated PCI SF for of the PCI PF for this port.
64 * @pf: Associated PCI PF number for this port.
65 * @external: when set, indicates if a port is for an external controller
66 */
67struct devlink_port_pci_sf_attrs {
68 u32 controller;
69 u32 sf;
70 u16 pf;
71 u8 external:1;
72};
73
74/**
75 * struct devlink_port_attrs - devlink port object
76 * @flavour: flavour of the port
77 * @split: indicates if this is split port
78 * @splittable: indicates if the port can be split.
79 * @lanes: maximum number of lanes the port supports. 0 value is not passed to netlink.
80 * @switch_id: if the port is part of switch, this is buffer with ID, otherwise this is NULL
81 * @phys: physical port attributes
82 * @pci_pf: PCI PF port attributes
83 * @pci_vf: PCI VF port attributes
84 * @pci_sf: PCI SF port attributes
85 */
86struct devlink_port_attrs {
87 u8 split:1,
88 splittable:1;
89 u32 lanes;
90 enum devlink_port_flavour flavour;
91 struct netdev_phys_item_id switch_id;
92 union {
93 struct devlink_port_phys_attrs phys;
94 struct devlink_port_pci_pf_attrs pci_pf;
95 struct devlink_port_pci_vf_attrs pci_vf;
96 struct devlink_port_pci_sf_attrs pci_sf;
97 };
98};
99
100struct devlink_rate {
101 struct list_head list;
102 enum devlink_rate_type type;
103 struct devlink *devlink;
104 void *priv;
105 u64 tx_share;
106 u64 tx_max;
107
108 struct devlink_rate *parent;
109 union {
110 struct devlink_port *devlink_port;
111 struct {
112 char *name;
113 refcount_t refcnt;
114 };
115 };
116};
117
118struct devlink_port {
119 struct list_head list;
120 struct list_head param_list;
121 struct list_head region_list;
122 struct devlink *devlink;
123 unsigned int index;
124 spinlock_t type_lock; /* Protects type and type_dev
125 * pointer consistency.
126 */
127 enum devlink_port_type type;
128 enum devlink_port_type desired_type;
129 void *type_dev;
130 struct devlink_port_attrs attrs;
131 u8 attrs_set:1,
132 switch_port:1;
133 struct delayed_work type_warn_dw;
134 struct list_head reporter_list;
135 struct mutex reporters_lock; /* Protects reporter_list */
136
137 struct devlink_rate *devlink_rate;
138};
139
140struct devlink_port_new_attrs {
141 enum devlink_port_flavour flavour;
142 unsigned int port_index;
143 u32 controller;
144 u32 sfnum;
145 u16 pfnum;
146 u8 port_index_valid:1,
147 controller_valid:1,
148 sfnum_valid:1;
149};
150
151struct devlink_sb_pool_info {
152 enum devlink_sb_pool_type pool_type;
153 u32 size;
154 enum devlink_sb_threshold_type threshold_type;
155 u32 cell_size;
156};
157
158/**
159 * struct devlink_dpipe_field - dpipe field object
160 * @name: field name
161 * @id: index inside the headers field array
162 * @bitwidth: bitwidth
163 * @mapping_type: mapping type
164 */
165struct devlink_dpipe_field {
166 const char *name;
167 unsigned int id;
168 unsigned int bitwidth;
169 enum devlink_dpipe_field_mapping_type mapping_type;
170};
171
172/**
173 * struct devlink_dpipe_header - dpipe header object
174 * @name: header name
175 * @id: index, global/local detrmined by global bit
176 * @fields: fields
177 * @fields_count: number of fields
178 * @global: indicates if header is shared like most protocol header
179 * or driver specific
180 */
181struct devlink_dpipe_header {
182 const char *name;
183 unsigned int id;
184 struct devlink_dpipe_field *fields;
185 unsigned int fields_count;
186 bool global;
187};
188
189/**
190 * struct devlink_dpipe_match - represents match operation
191 * @type: type of match
192 * @header_index: header index (packets can have several headers of same
193 * type like in case of tunnels)
194 * @header: header
195 * @fieled_id: field index
196 */
197struct devlink_dpipe_match {
198 enum devlink_dpipe_match_type type;
199 unsigned int header_index;
200 struct devlink_dpipe_header *header;
201 unsigned int field_id;
202};
203
204/**
205 * struct devlink_dpipe_action - represents action operation
206 * @type: type of action
207 * @header_index: header index (packets can have several headers of same
208 * type like in case of tunnels)
209 * @header: header
210 * @fieled_id: field index
211 */
212struct devlink_dpipe_action {
213 enum devlink_dpipe_action_type type;
214 unsigned int header_index;
215 struct devlink_dpipe_header *header;
216 unsigned int field_id;
217};
218
219/**
220 * struct devlink_dpipe_value - represents value of match/action
221 * @action: action
222 * @match: match
223 * @mapping_value: in case the field has some mapping this value
224 * specified the mapping value
225 * @mapping_valid: specify if mapping value is valid
226 * @value_size: value size
227 * @value: value
228 * @mask: bit mask
229 */
230struct devlink_dpipe_value {
231 union {
232 struct devlink_dpipe_action *action;
233 struct devlink_dpipe_match *match;
234 };
235 unsigned int mapping_value;
236 bool mapping_valid;
237 unsigned int value_size;
238 void *value;
239 void *mask;
240};
241
242/**
243 * struct devlink_dpipe_entry - table entry object
244 * @index: index of the entry in the table
245 * @match_values: match values
246 * @matche_values_count: count of matches tuples
247 * @action_values: actions values
248 * @action_values_count: count of actions values
249 * @counter: value of counter
250 * @counter_valid: Specify if value is valid from hardware
251 */
252struct devlink_dpipe_entry {
253 u64 index;
254 struct devlink_dpipe_value *match_values;
255 unsigned int match_values_count;
256 struct devlink_dpipe_value *action_values;
257 unsigned int action_values_count;
258 u64 counter;
259 bool counter_valid;
260};
261
262/**
263 * struct devlink_dpipe_dump_ctx - context provided to driver in order
264 * to dump
265 * @info: info
266 * @cmd: devlink command
267 * @skb: skb
268 * @nest: top attribute
269 * @hdr: hdr
270 */
271struct devlink_dpipe_dump_ctx {
272 struct genl_info *info;
273 enum devlink_command cmd;
274 struct sk_buff *skb;
275 struct nlattr *nest;
276 void *hdr;
277};
278
279struct devlink_dpipe_table_ops;
280
281/**
282 * struct devlink_dpipe_table - table object
283 * @priv: private
284 * @name: table name
285 * @counters_enabled: indicates if counters are active
286 * @counter_control_extern: indicates if counter control is in dpipe or
287 * external tool
288 * @resource_valid: Indicate that the resource id is valid
289 * @resource_id: relative resource this table is related to
290 * @resource_units: number of resource's unit consumed per table's entry
291 * @table_ops: table operations
292 * @rcu: rcu
293 */
294struct devlink_dpipe_table {
295 void *priv;
296 struct list_head list;
297 const char *name;
298 bool counters_enabled;
299 bool counter_control_extern;
300 bool resource_valid;
301 u64 resource_id;
302 u64 resource_units;
303 struct devlink_dpipe_table_ops *table_ops;
304 struct rcu_head rcu;
305};
306
307/**
308 * struct devlink_dpipe_table_ops - dpipe_table ops
309 * @actions_dump - dumps all tables actions
310 * @matches_dump - dumps all tables matches
311 * @entries_dump - dumps all active entries in the table
312 * @counters_set_update - when changing the counter status hardware sync
313 * maybe needed to allocate/free counter related
314 * resources
315 * @size_get - get size
316 */
317struct devlink_dpipe_table_ops {
318 int (*actions_dump)(void *priv, struct sk_buff *skb);
319 int (*matches_dump)(void *priv, struct sk_buff *skb);
320 int (*entries_dump)(void *priv, bool counters_enabled,
321 struct devlink_dpipe_dump_ctx *dump_ctx);
322 int (*counters_set_update)(void *priv, bool enable);
323 u64 (*size_get)(void *priv);
324};
325
326/**
327 * struct devlink_dpipe_headers - dpipe headers
328 * @headers - header array can be shared (global bit) or driver specific
329 * @headers_count - count of headers
330 */
331struct devlink_dpipe_headers {
332 struct devlink_dpipe_header **headers;
333 unsigned int headers_count;
334};
335
336/**
337 * struct devlink_resource_size_params - resource's size parameters
338 * @size_min: minimum size which can be set
339 * @size_max: maximum size which can be set
340 * @size_granularity: size granularity
341 * @size_unit: resource's basic unit
342 */
343struct devlink_resource_size_params {
344 u64 size_min;
345 u64 size_max;
346 u64 size_granularity;
347 enum devlink_resource_unit unit;
348};
349
350static inline void
351devlink_resource_size_params_init(struct devlink_resource_size_params *size_params,
352 u64 size_min, u64 size_max,
353 u64 size_granularity,
354 enum devlink_resource_unit unit)
355{
356 size_params->size_min = size_min;
357 size_params->size_max = size_max;
358 size_params->size_granularity = size_granularity;
359 size_params->unit = unit;
360}
361
362typedef u64 devlink_resource_occ_get_t(void *priv);
363
364/**
365 * struct devlink_resource - devlink resource
366 * @name: name of the resource
367 * @id: id, per devlink instance
368 * @size: size of the resource
369 * @size_new: updated size of the resource, reload is needed
370 * @size_valid: valid in case the total size of the resource is valid
371 * including its children
372 * @parent: parent resource
373 * @size_params: size parameters
374 * @list: parent list
375 * @resource_list: list of child resources
376 */
377struct devlink_resource {
378 const char *name;
379 u64 id;
380 u64 size;
381 u64 size_new;
382 bool size_valid;
383 struct devlink_resource *parent;
384 struct devlink_resource_size_params size_params;
385 struct list_head list;
386 struct list_head resource_list;
387 devlink_resource_occ_get_t *occ_get;
388 void *occ_get_priv;
389};
390
391#define DEVLINK_RESOURCE_ID_PARENT_TOP 0
392
393#define DEVLINK_RESOURCE_GENERIC_NAME_PORTS "physical_ports"
394
395#define __DEVLINK_PARAM_MAX_STRING_VALUE 32
396enum devlink_param_type {
397 DEVLINK_PARAM_TYPE_U8,
398 DEVLINK_PARAM_TYPE_U16,
399 DEVLINK_PARAM_TYPE_U32,
400 DEVLINK_PARAM_TYPE_STRING,
401 DEVLINK_PARAM_TYPE_BOOL,
402};
403
404union devlink_param_value {
405 u8 vu8;
406 u16 vu16;
407 u32 vu32;
408 char vstr[__DEVLINK_PARAM_MAX_STRING_VALUE];
409 bool vbool;
410};
411
412struct devlink_param_gset_ctx {
413 union devlink_param_value val;
414 enum devlink_param_cmode cmode;
415};
416
417/**
418 * struct devlink_flash_notify - devlink dev flash notify data
419 * @status_msg: current status string
420 * @component: firmware component being updated
421 * @done: amount of work completed of total amount
422 * @total: amount of work expected to be done
423 * @timeout: expected max timeout in seconds
424 *
425 * These are values to be given to userland to be displayed in order
426 * to show current activity in a firmware update process.
427 */
428struct devlink_flash_notify {
429 const char *status_msg;
430 const char *component;
431 unsigned long done;
432 unsigned long total;
433 unsigned long timeout;
434};
435
436/**
437 * struct devlink_param - devlink configuration parameter data
438 * @name: name of the parameter
439 * @generic: indicates if the parameter is generic or driver specific
440 * @type: parameter type
441 * @supported_cmodes: bitmap of supported configuration modes
442 * @get: get parameter value, used for runtime and permanent
443 * configuration modes
444 * @set: set parameter value, used for runtime and permanent
445 * configuration modes
446 * @validate: validate input value is applicable (within value range, etc.)
447 *
448 * This struct should be used by the driver to fill the data for
449 * a parameter it registers.
450 */
451struct devlink_param {
452 u32 id;
453 const char *name;
454 bool generic;
455 enum devlink_param_type type;
456 unsigned long supported_cmodes;
457 int (*get)(struct devlink *devlink, u32 id,
458 struct devlink_param_gset_ctx *ctx);
459 int (*set)(struct devlink *devlink, u32 id,
460 struct devlink_param_gset_ctx *ctx);
461 int (*validate)(struct devlink *devlink, u32 id,
462 union devlink_param_value val,
463 struct netlink_ext_ack *extack);
464};
465
466struct devlink_param_item {
467 struct list_head list;
468 const struct devlink_param *param;
469 union devlink_param_value driverinit_value;
470 bool driverinit_value_valid;
471};
472
473enum devlink_param_generic_id {
474 DEVLINK_PARAM_GENERIC_ID_INT_ERR_RESET,
475 DEVLINK_PARAM_GENERIC_ID_MAX_MACS,
476 DEVLINK_PARAM_GENERIC_ID_ENABLE_SRIOV,
477 DEVLINK_PARAM_GENERIC_ID_REGION_SNAPSHOT,
478 DEVLINK_PARAM_GENERIC_ID_IGNORE_ARI,
479 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX,
480 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN,
481 DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY,
482 DEVLINK_PARAM_GENERIC_ID_RESET_DEV_ON_DRV_PROBE,
483 DEVLINK_PARAM_GENERIC_ID_ENABLE_ROCE,
484 DEVLINK_PARAM_GENERIC_ID_ENABLE_REMOTE_DEV_RESET,
485 DEVLINK_PARAM_GENERIC_ID_ENABLE_ETH,
486 DEVLINK_PARAM_GENERIC_ID_ENABLE_RDMA,
487 DEVLINK_PARAM_GENERIC_ID_ENABLE_VNET,
488
489 /* add new param generic ids above here*/
490 __DEVLINK_PARAM_GENERIC_ID_MAX,
491 DEVLINK_PARAM_GENERIC_ID_MAX = __DEVLINK_PARAM_GENERIC_ID_MAX - 1,
492};
493
494#define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_NAME "internal_error_reset"
495#define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL
496
497#define DEVLINK_PARAM_GENERIC_MAX_MACS_NAME "max_macs"
498#define DEVLINK_PARAM_GENERIC_MAX_MACS_TYPE DEVLINK_PARAM_TYPE_U32
499
500#define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_NAME "enable_sriov"
501#define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_TYPE DEVLINK_PARAM_TYPE_BOOL
502
503#define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_NAME "region_snapshot_enable"
504#define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_TYPE DEVLINK_PARAM_TYPE_BOOL
505
506#define DEVLINK_PARAM_GENERIC_IGNORE_ARI_NAME "ignore_ari"
507#define DEVLINK_PARAM_GENERIC_IGNORE_ARI_TYPE DEVLINK_PARAM_TYPE_BOOL
508
509#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_NAME "msix_vec_per_pf_max"
510#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_TYPE DEVLINK_PARAM_TYPE_U32
511
512#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_NAME "msix_vec_per_pf_min"
513#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_TYPE DEVLINK_PARAM_TYPE_U32
514
515#define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_NAME "fw_load_policy"
516#define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_TYPE DEVLINK_PARAM_TYPE_U8
517
518#define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_NAME \
519 "reset_dev_on_drv_probe"
520#define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_TYPE DEVLINK_PARAM_TYPE_U8
521
522#define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_NAME "enable_roce"
523#define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_TYPE DEVLINK_PARAM_TYPE_BOOL
524
525#define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_NAME "enable_remote_dev_reset"
526#define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL
527
528#define DEVLINK_PARAM_GENERIC_ENABLE_ETH_NAME "enable_eth"
529#define DEVLINK_PARAM_GENERIC_ENABLE_ETH_TYPE DEVLINK_PARAM_TYPE_BOOL
530
531#define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_NAME "enable_rdma"
532#define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_TYPE DEVLINK_PARAM_TYPE_BOOL
533
534#define DEVLINK_PARAM_GENERIC_ENABLE_VNET_NAME "enable_vnet"
535#define DEVLINK_PARAM_GENERIC_ENABLE_VNET_TYPE DEVLINK_PARAM_TYPE_BOOL
536
537#define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate) \
538{ \
539 .id = DEVLINK_PARAM_GENERIC_ID_##_id, \
540 .name = DEVLINK_PARAM_GENERIC_##_id##_NAME, \
541 .type = DEVLINK_PARAM_GENERIC_##_id##_TYPE, \
542 .generic = true, \
543 .supported_cmodes = _cmodes, \
544 .get = _get, \
545 .set = _set, \
546 .validate = _validate, \
547}
548
549#define DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, _get, _set, _validate) \
550{ \
551 .id = _id, \
552 .name = _name, \
553 .type = _type, \
554 .supported_cmodes = _cmodes, \
555 .get = _get, \
556 .set = _set, \
557 .validate = _validate, \
558}
559
560/* Part number, identifier of board design */
561#define DEVLINK_INFO_VERSION_GENERIC_BOARD_ID "board.id"
562/* Revision of board design */
563#define DEVLINK_INFO_VERSION_GENERIC_BOARD_REV "board.rev"
564/* Maker of the board */
565#define DEVLINK_INFO_VERSION_GENERIC_BOARD_MANUFACTURE "board.manufacture"
566
567/* Part number, identifier of asic design */
568#define DEVLINK_INFO_VERSION_GENERIC_ASIC_ID "asic.id"
569/* Revision of asic design */
570#define DEVLINK_INFO_VERSION_GENERIC_ASIC_REV "asic.rev"
571
572/* Overall FW version */
573#define DEVLINK_INFO_VERSION_GENERIC_FW "fw"
574/* Control processor FW version */
575#define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT "fw.mgmt"
576/* FW interface specification version */
577#define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT_API "fw.mgmt.api"
578/* Data path microcode controlling high-speed packet processing */
579#define DEVLINK_INFO_VERSION_GENERIC_FW_APP "fw.app"
580/* UNDI software version */
581#define DEVLINK_INFO_VERSION_GENERIC_FW_UNDI "fw.undi"
582/* NCSI support/handler version */
583#define DEVLINK_INFO_VERSION_GENERIC_FW_NCSI "fw.ncsi"
584/* FW parameter set id */
585#define DEVLINK_INFO_VERSION_GENERIC_FW_PSID "fw.psid"
586/* RoCE FW version */
587#define DEVLINK_INFO_VERSION_GENERIC_FW_ROCE "fw.roce"
588/* Firmware bundle identifier */
589#define DEVLINK_INFO_VERSION_GENERIC_FW_BUNDLE_ID "fw.bundle_id"
590
591/**
592 * struct devlink_flash_update_params - Flash Update parameters
593 * @fw: pointer to the firmware data to update from
594 * @component: the flash component to update
595 *
596 * With the exception of fw, drivers must opt-in to parameters by
597 * setting the appropriate bit in the supported_flash_update_params field in
598 * their devlink_ops structure.
599 */
600struct devlink_flash_update_params {
601 const struct firmware *fw;
602 const char *component;
603 u32 overwrite_mask;
604};
605
606#define DEVLINK_SUPPORT_FLASH_UPDATE_COMPONENT BIT(0)
607#define DEVLINK_SUPPORT_FLASH_UPDATE_OVERWRITE_MASK BIT(1)
608
609struct devlink_region;
610struct devlink_info_req;
611
612/**
613 * struct devlink_region_ops - Region operations
614 * @name: region name
615 * @destructor: callback used to free snapshot memory when deleting
616 * @snapshot: callback to request an immediate snapshot. On success,
617 * the data variable must be updated to point to the snapshot data.
618 * The function will be called while the devlink instance lock is
619 * held.
620 * @priv: Pointer to driver private data for the region operation
621 */
622struct devlink_region_ops {
623 const char *name;
624 void (*destructor)(const void *data);
625 int (*snapshot)(struct devlink *devlink,
626 const struct devlink_region_ops *ops,
627 struct netlink_ext_ack *extack,
628 u8 **data);
629 void *priv;
630};
631
632/**
633 * struct devlink_port_region_ops - Region operations for a port
634 * @name: region name
635 * @destructor: callback used to free snapshot memory when deleting
636 * @snapshot: callback to request an immediate snapshot. On success,
637 * the data variable must be updated to point to the snapshot data.
638 * The function will be called while the devlink instance lock is
639 * held.
640 * @priv: Pointer to driver private data for the region operation
641 */
642struct devlink_port_region_ops {
643 const char *name;
644 void (*destructor)(const void *data);
645 int (*snapshot)(struct devlink_port *port,
646 const struct devlink_port_region_ops *ops,
647 struct netlink_ext_ack *extack,
648 u8 **data);
649 void *priv;
650};
651
652struct devlink_fmsg;
653struct devlink_health_reporter;
654
655enum devlink_health_reporter_state {
656 DEVLINK_HEALTH_REPORTER_STATE_HEALTHY,
657 DEVLINK_HEALTH_REPORTER_STATE_ERROR,
658};
659
660/**
661 * struct devlink_health_reporter_ops - Reporter operations
662 * @name: reporter name
663 * @recover: callback to recover from reported error
664 * if priv_ctx is NULL, run a full recover
665 * @dump: callback to dump an object
666 * if priv_ctx is NULL, run a full dump
667 * @diagnose: callback to diagnose the current status
668 * @test: callback to trigger a test event
669 */
670
671struct devlink_health_reporter_ops {
672 char *name;
673 int (*recover)(struct devlink_health_reporter *reporter,
674 void *priv_ctx, struct netlink_ext_ack *extack);
675 int (*dump)(struct devlink_health_reporter *reporter,
676 struct devlink_fmsg *fmsg, void *priv_ctx,
677 struct netlink_ext_ack *extack);
678 int (*diagnose)(struct devlink_health_reporter *reporter,
679 struct devlink_fmsg *fmsg,
680 struct netlink_ext_ack *extack);
681 int (*test)(struct devlink_health_reporter *reporter,
682 struct netlink_ext_ack *extack);
683};
684
685/**
686 * struct devlink_trap_metadata - Packet trap metadata.
687 * @trap_name: Trap name.
688 * @trap_group_name: Trap group name.
689 * @input_dev: Input netdevice.
690 * @fa_cookie: Flow action user cookie.
691 * @trap_type: Trap type.
692 */
693struct devlink_trap_metadata {
694 const char *trap_name;
695 const char *trap_group_name;
696 struct net_device *input_dev;
697 const struct flow_action_cookie *fa_cookie;
698 enum devlink_trap_type trap_type;
699};
700
701/**
702 * struct devlink_trap_policer - Immutable packet trap policer attributes.
703 * @id: Policer identifier.
704 * @init_rate: Initial rate in packets / sec.
705 * @init_burst: Initial burst size in packets.
706 * @max_rate: Maximum rate.
707 * @min_rate: Minimum rate.
708 * @max_burst: Maximum burst size.
709 * @min_burst: Minimum burst size.
710 *
711 * Describes immutable attributes of packet trap policers that drivers register
712 * with devlink.
713 */
714struct devlink_trap_policer {
715 u32 id;
716 u64 init_rate;
717 u64 init_burst;
718 u64 max_rate;
719 u64 min_rate;
720 u64 max_burst;
721 u64 min_burst;
722};
723
724/**
725 * struct devlink_trap_group - Immutable packet trap group attributes.
726 * @name: Trap group name.
727 * @id: Trap group identifier.
728 * @generic: Whether the trap group is generic or not.
729 * @init_policer_id: Initial policer identifier.
730 *
731 * Describes immutable attributes of packet trap groups that drivers register
732 * with devlink.
733 */
734struct devlink_trap_group {
735 const char *name;
736 u16 id;
737 bool generic;
738 u32 init_policer_id;
739};
740
741#define DEVLINK_TRAP_METADATA_TYPE_F_IN_PORT BIT(0)
742#define DEVLINK_TRAP_METADATA_TYPE_F_FA_COOKIE BIT(1)
743
744/**
745 * struct devlink_trap - Immutable packet trap attributes.
746 * @type: Trap type.
747 * @init_action: Initial trap action.
748 * @generic: Whether the trap is generic or not.
749 * @id: Trap identifier.
750 * @name: Trap name.
751 * @init_group_id: Initial group identifier.
752 * @metadata_cap: Metadata types that can be provided by the trap.
753 *
754 * Describes immutable attributes of packet traps that drivers register with
755 * devlink.
756 */
757struct devlink_trap {
758 enum devlink_trap_type type;
759 enum devlink_trap_action init_action;
760 bool generic;
761 u16 id;
762 const char *name;
763 u16 init_group_id;
764 u32 metadata_cap;
765};
766
767/* All traps must be documented in
768 * Documentation/networking/devlink/devlink-trap.rst
769 */
770enum devlink_trap_generic_id {
771 DEVLINK_TRAP_GENERIC_ID_SMAC_MC,
772 DEVLINK_TRAP_GENERIC_ID_VLAN_TAG_MISMATCH,
773 DEVLINK_TRAP_GENERIC_ID_INGRESS_VLAN_FILTER,
774 DEVLINK_TRAP_GENERIC_ID_INGRESS_STP_FILTER,
775 DEVLINK_TRAP_GENERIC_ID_EMPTY_TX_LIST,
776 DEVLINK_TRAP_GENERIC_ID_PORT_LOOPBACK_FILTER,
777 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_ROUTE,
778 DEVLINK_TRAP_GENERIC_ID_TTL_ERROR,
779 DEVLINK_TRAP_GENERIC_ID_TAIL_DROP,
780 DEVLINK_TRAP_GENERIC_ID_NON_IP_PACKET,
781 DEVLINK_TRAP_GENERIC_ID_UC_DIP_MC_DMAC,
782 DEVLINK_TRAP_GENERIC_ID_DIP_LB,
783 DEVLINK_TRAP_GENERIC_ID_SIP_MC,
784 DEVLINK_TRAP_GENERIC_ID_SIP_LB,
785 DEVLINK_TRAP_GENERIC_ID_CORRUPTED_IP_HDR,
786 DEVLINK_TRAP_GENERIC_ID_IPV4_SIP_BC,
787 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_RESERVED_SCOPE,
788 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE,
789 DEVLINK_TRAP_GENERIC_ID_MTU_ERROR,
790 DEVLINK_TRAP_GENERIC_ID_UNRESOLVED_NEIGH,
791 DEVLINK_TRAP_GENERIC_ID_RPF,
792 DEVLINK_TRAP_GENERIC_ID_REJECT_ROUTE,
793 DEVLINK_TRAP_GENERIC_ID_IPV4_LPM_UNICAST_MISS,
794 DEVLINK_TRAP_GENERIC_ID_IPV6_LPM_UNICAST_MISS,
795 DEVLINK_TRAP_GENERIC_ID_NON_ROUTABLE,
796 DEVLINK_TRAP_GENERIC_ID_DECAP_ERROR,
797 DEVLINK_TRAP_GENERIC_ID_OVERLAY_SMAC_MC,
798 DEVLINK_TRAP_GENERIC_ID_INGRESS_FLOW_ACTION_DROP,
799 DEVLINK_TRAP_GENERIC_ID_EGRESS_FLOW_ACTION_DROP,
800 DEVLINK_TRAP_GENERIC_ID_STP,
801 DEVLINK_TRAP_GENERIC_ID_LACP,
802 DEVLINK_TRAP_GENERIC_ID_LLDP,
803 DEVLINK_TRAP_GENERIC_ID_IGMP_QUERY,
804 DEVLINK_TRAP_GENERIC_ID_IGMP_V1_REPORT,
805 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_REPORT,
806 DEVLINK_TRAP_GENERIC_ID_IGMP_V3_REPORT,
807 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_LEAVE,
808 DEVLINK_TRAP_GENERIC_ID_MLD_QUERY,
809 DEVLINK_TRAP_GENERIC_ID_MLD_V1_REPORT,
810 DEVLINK_TRAP_GENERIC_ID_MLD_V2_REPORT,
811 DEVLINK_TRAP_GENERIC_ID_MLD_V1_DONE,
812 DEVLINK_TRAP_GENERIC_ID_IPV4_DHCP,
813 DEVLINK_TRAP_GENERIC_ID_IPV6_DHCP,
814 DEVLINK_TRAP_GENERIC_ID_ARP_REQUEST,
815 DEVLINK_TRAP_GENERIC_ID_ARP_RESPONSE,
816 DEVLINK_TRAP_GENERIC_ID_ARP_OVERLAY,
817 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_SOLICIT,
818 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_ADVERT,
819 DEVLINK_TRAP_GENERIC_ID_IPV4_BFD,
820 DEVLINK_TRAP_GENERIC_ID_IPV6_BFD,
821 DEVLINK_TRAP_GENERIC_ID_IPV4_OSPF,
822 DEVLINK_TRAP_GENERIC_ID_IPV6_OSPF,
823 DEVLINK_TRAP_GENERIC_ID_IPV4_BGP,
824 DEVLINK_TRAP_GENERIC_ID_IPV6_BGP,
825 DEVLINK_TRAP_GENERIC_ID_IPV4_VRRP,
826 DEVLINK_TRAP_GENERIC_ID_IPV6_VRRP,
827 DEVLINK_TRAP_GENERIC_ID_IPV4_PIM,
828 DEVLINK_TRAP_GENERIC_ID_IPV6_PIM,
829 DEVLINK_TRAP_GENERIC_ID_UC_LB,
830 DEVLINK_TRAP_GENERIC_ID_LOCAL_ROUTE,
831 DEVLINK_TRAP_GENERIC_ID_EXTERNAL_ROUTE,
832 DEVLINK_TRAP_GENERIC_ID_IPV6_UC_DIP_LINK_LOCAL_SCOPE,
833 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_NODES,
834 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_ROUTERS,
835 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_SOLICIT,
836 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ADVERT,
837 DEVLINK_TRAP_GENERIC_ID_IPV6_REDIRECT,
838 DEVLINK_TRAP_GENERIC_ID_IPV4_ROUTER_ALERT,
839 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ALERT,
840 DEVLINK_TRAP_GENERIC_ID_PTP_EVENT,
841 DEVLINK_TRAP_GENERIC_ID_PTP_GENERAL,
842 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_SAMPLE,
843 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_TRAP,
844 DEVLINK_TRAP_GENERIC_ID_EARLY_DROP,
845 DEVLINK_TRAP_GENERIC_ID_VXLAN_PARSING,
846 DEVLINK_TRAP_GENERIC_ID_LLC_SNAP_PARSING,
847 DEVLINK_TRAP_GENERIC_ID_VLAN_PARSING,
848 DEVLINK_TRAP_GENERIC_ID_PPPOE_PPP_PARSING,
849 DEVLINK_TRAP_GENERIC_ID_MPLS_PARSING,
850 DEVLINK_TRAP_GENERIC_ID_ARP_PARSING,
851 DEVLINK_TRAP_GENERIC_ID_IP_1_PARSING,
852 DEVLINK_TRAP_GENERIC_ID_IP_N_PARSING,
853 DEVLINK_TRAP_GENERIC_ID_GRE_PARSING,
854 DEVLINK_TRAP_GENERIC_ID_UDP_PARSING,
855 DEVLINK_TRAP_GENERIC_ID_TCP_PARSING,
856 DEVLINK_TRAP_GENERIC_ID_IPSEC_PARSING,
857 DEVLINK_TRAP_GENERIC_ID_SCTP_PARSING,
858 DEVLINK_TRAP_GENERIC_ID_DCCP_PARSING,
859 DEVLINK_TRAP_GENERIC_ID_GTP_PARSING,
860 DEVLINK_TRAP_GENERIC_ID_ESP_PARSING,
861 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_NEXTHOP,
862 DEVLINK_TRAP_GENERIC_ID_DMAC_FILTER,
863
864 /* Add new generic trap IDs above */
865 __DEVLINK_TRAP_GENERIC_ID_MAX,
866 DEVLINK_TRAP_GENERIC_ID_MAX = __DEVLINK_TRAP_GENERIC_ID_MAX - 1,
867};
868
869/* All trap groups must be documented in
870 * Documentation/networking/devlink/devlink-trap.rst
871 */
872enum devlink_trap_group_generic_id {
873 DEVLINK_TRAP_GROUP_GENERIC_ID_L2_DROPS,
874 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_DROPS,
875 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_EXCEPTIONS,
876 DEVLINK_TRAP_GROUP_GENERIC_ID_BUFFER_DROPS,
877 DEVLINK_TRAP_GROUP_GENERIC_ID_TUNNEL_DROPS,
878 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_DROPS,
879 DEVLINK_TRAP_GROUP_GENERIC_ID_STP,
880 DEVLINK_TRAP_GROUP_GENERIC_ID_LACP,
881 DEVLINK_TRAP_GROUP_GENERIC_ID_LLDP,
882 DEVLINK_TRAP_GROUP_GENERIC_ID_MC_SNOOPING,
883 DEVLINK_TRAP_GROUP_GENERIC_ID_DHCP,
884 DEVLINK_TRAP_GROUP_GENERIC_ID_NEIGH_DISCOVERY,
885 DEVLINK_TRAP_GROUP_GENERIC_ID_BFD,
886 DEVLINK_TRAP_GROUP_GENERIC_ID_OSPF,
887 DEVLINK_TRAP_GROUP_GENERIC_ID_BGP,
888 DEVLINK_TRAP_GROUP_GENERIC_ID_VRRP,
889 DEVLINK_TRAP_GROUP_GENERIC_ID_PIM,
890 DEVLINK_TRAP_GROUP_GENERIC_ID_UC_LB,
891 DEVLINK_TRAP_GROUP_GENERIC_ID_LOCAL_DELIVERY,
892 DEVLINK_TRAP_GROUP_GENERIC_ID_EXTERNAL_DELIVERY,
893 DEVLINK_TRAP_GROUP_GENERIC_ID_IPV6,
894 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_EVENT,
895 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_GENERAL,
896 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_SAMPLE,
897 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_TRAP,
898 DEVLINK_TRAP_GROUP_GENERIC_ID_PARSER_ERROR_DROPS,
899
900 /* Add new generic trap group IDs above */
901 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX,
902 DEVLINK_TRAP_GROUP_GENERIC_ID_MAX =
903 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX - 1,
904};
905
906#define DEVLINK_TRAP_GENERIC_NAME_SMAC_MC \
907 "source_mac_is_multicast"
908#define DEVLINK_TRAP_GENERIC_NAME_VLAN_TAG_MISMATCH \
909 "vlan_tag_mismatch"
910#define DEVLINK_TRAP_GENERIC_NAME_INGRESS_VLAN_FILTER \
911 "ingress_vlan_filter"
912#define DEVLINK_TRAP_GENERIC_NAME_INGRESS_STP_FILTER \
913 "ingress_spanning_tree_filter"
914#define DEVLINK_TRAP_GENERIC_NAME_EMPTY_TX_LIST \
915 "port_list_is_empty"
916#define DEVLINK_TRAP_GENERIC_NAME_PORT_LOOPBACK_FILTER \
917 "port_loopback_filter"
918#define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_ROUTE \
919 "blackhole_route"
920#define DEVLINK_TRAP_GENERIC_NAME_TTL_ERROR \
921 "ttl_value_is_too_small"
922#define DEVLINK_TRAP_GENERIC_NAME_TAIL_DROP \
923 "tail_drop"
924#define DEVLINK_TRAP_GENERIC_NAME_NON_IP_PACKET \
925 "non_ip"
926#define DEVLINK_TRAP_GENERIC_NAME_UC_DIP_MC_DMAC \
927 "uc_dip_over_mc_dmac"
928#define DEVLINK_TRAP_GENERIC_NAME_DIP_LB \
929 "dip_is_loopback_address"
930#define DEVLINK_TRAP_GENERIC_NAME_SIP_MC \
931 "sip_is_mc"
932#define DEVLINK_TRAP_GENERIC_NAME_SIP_LB \
933 "sip_is_loopback_address"
934#define DEVLINK_TRAP_GENERIC_NAME_CORRUPTED_IP_HDR \
935 "ip_header_corrupted"
936#define DEVLINK_TRAP_GENERIC_NAME_IPV4_SIP_BC \
937 "ipv4_sip_is_limited_bc"
938#define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_RESERVED_SCOPE \
939 "ipv6_mc_dip_reserved_scope"
940#define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE \
941 "ipv6_mc_dip_interface_local_scope"
942#define DEVLINK_TRAP_GENERIC_NAME_MTU_ERROR \
943 "mtu_value_is_too_small"
944#define DEVLINK_TRAP_GENERIC_NAME_UNRESOLVED_NEIGH \
945 "unresolved_neigh"
946#define DEVLINK_TRAP_GENERIC_NAME_RPF \
947 "mc_reverse_path_forwarding"
948#define DEVLINK_TRAP_GENERIC_NAME_REJECT_ROUTE \
949 "reject_route"
950#define DEVLINK_TRAP_GENERIC_NAME_IPV4_LPM_UNICAST_MISS \
951 "ipv4_lpm_miss"
952#define DEVLINK_TRAP_GENERIC_NAME_IPV6_LPM_UNICAST_MISS \
953 "ipv6_lpm_miss"
954#define DEVLINK_TRAP_GENERIC_NAME_NON_ROUTABLE \
955 "non_routable_packet"
956#define DEVLINK_TRAP_GENERIC_NAME_DECAP_ERROR \
957 "decap_error"
958#define DEVLINK_TRAP_GENERIC_NAME_OVERLAY_SMAC_MC \
959 "overlay_smac_is_mc"
960#define DEVLINK_TRAP_GENERIC_NAME_INGRESS_FLOW_ACTION_DROP \
961 "ingress_flow_action_drop"
962#define DEVLINK_TRAP_GENERIC_NAME_EGRESS_FLOW_ACTION_DROP \
963 "egress_flow_action_drop"
964#define DEVLINK_TRAP_GENERIC_NAME_STP \
965 "stp"
966#define DEVLINK_TRAP_GENERIC_NAME_LACP \
967 "lacp"
968#define DEVLINK_TRAP_GENERIC_NAME_LLDP \
969 "lldp"
970#define DEVLINK_TRAP_GENERIC_NAME_IGMP_QUERY \
971 "igmp_query"
972#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V1_REPORT \
973 "igmp_v1_report"
974#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_REPORT \
975 "igmp_v2_report"
976#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V3_REPORT \
977 "igmp_v3_report"
978#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_LEAVE \
979 "igmp_v2_leave"
980#define DEVLINK_TRAP_GENERIC_NAME_MLD_QUERY \
981 "mld_query"
982#define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_REPORT \
983 "mld_v1_report"
984#define DEVLINK_TRAP_GENERIC_NAME_MLD_V2_REPORT \
985 "mld_v2_report"
986#define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_DONE \
987 "mld_v1_done"
988#define DEVLINK_TRAP_GENERIC_NAME_IPV4_DHCP \
989 "ipv4_dhcp"
990#define DEVLINK_TRAP_GENERIC_NAME_IPV6_DHCP \
991 "ipv6_dhcp"
992#define DEVLINK_TRAP_GENERIC_NAME_ARP_REQUEST \
993 "arp_request"
994#define DEVLINK_TRAP_GENERIC_NAME_ARP_RESPONSE \
995 "arp_response"
996#define DEVLINK_TRAP_GENERIC_NAME_ARP_OVERLAY \
997 "arp_overlay"
998#define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_SOLICIT \
999 "ipv6_neigh_solicit"
1000#define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_ADVERT \
1001 "ipv6_neigh_advert"
1002#define DEVLINK_TRAP_GENERIC_NAME_IPV4_BFD \
1003 "ipv4_bfd"
1004#define DEVLINK_TRAP_GENERIC_NAME_IPV6_BFD \
1005 "ipv6_bfd"
1006#define DEVLINK_TRAP_GENERIC_NAME_IPV4_OSPF \
1007 "ipv4_ospf"
1008#define DEVLINK_TRAP_GENERIC_NAME_IPV6_OSPF \
1009 "ipv6_ospf"
1010#define DEVLINK_TRAP_GENERIC_NAME_IPV4_BGP \
1011 "ipv4_bgp"
1012#define DEVLINK_TRAP_GENERIC_NAME_IPV6_BGP \
1013 "ipv6_bgp"
1014#define DEVLINK_TRAP_GENERIC_NAME_IPV4_VRRP \
1015 "ipv4_vrrp"
1016#define DEVLINK_TRAP_GENERIC_NAME_IPV6_VRRP \
1017 "ipv6_vrrp"
1018#define DEVLINK_TRAP_GENERIC_NAME_IPV4_PIM \
1019 "ipv4_pim"
1020#define DEVLINK_TRAP_GENERIC_NAME_IPV6_PIM \
1021 "ipv6_pim"
1022#define DEVLINK_TRAP_GENERIC_NAME_UC_LB \
1023 "uc_loopback"
1024#define DEVLINK_TRAP_GENERIC_NAME_LOCAL_ROUTE \
1025 "local_route"
1026#define DEVLINK_TRAP_GENERIC_NAME_EXTERNAL_ROUTE \
1027 "external_route"
1028#define DEVLINK_TRAP_GENERIC_NAME_IPV6_UC_DIP_LINK_LOCAL_SCOPE \
1029 "ipv6_uc_dip_link_local_scope"
1030#define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_NODES \
1031 "ipv6_dip_all_nodes"
1032#define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_ROUTERS \
1033 "ipv6_dip_all_routers"
1034#define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_SOLICIT \
1035 "ipv6_router_solicit"
1036#define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ADVERT \
1037 "ipv6_router_advert"
1038#define DEVLINK_TRAP_GENERIC_NAME_IPV6_REDIRECT \
1039 "ipv6_redirect"
1040#define DEVLINK_TRAP_GENERIC_NAME_IPV4_ROUTER_ALERT \
1041 "ipv4_router_alert"
1042#define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ALERT \
1043 "ipv6_router_alert"
1044#define DEVLINK_TRAP_GENERIC_NAME_PTP_EVENT \
1045 "ptp_event"
1046#define DEVLINK_TRAP_GENERIC_NAME_PTP_GENERAL \
1047 "ptp_general"
1048#define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_SAMPLE \
1049 "flow_action_sample"
1050#define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_TRAP \
1051 "flow_action_trap"
1052#define DEVLINK_TRAP_GENERIC_NAME_EARLY_DROP \
1053 "early_drop"
1054#define DEVLINK_TRAP_GENERIC_NAME_VXLAN_PARSING \
1055 "vxlan_parsing"
1056#define DEVLINK_TRAP_GENERIC_NAME_LLC_SNAP_PARSING \
1057 "llc_snap_parsing"
1058#define DEVLINK_TRAP_GENERIC_NAME_VLAN_PARSING \
1059 "vlan_parsing"
1060#define DEVLINK_TRAP_GENERIC_NAME_PPPOE_PPP_PARSING \
1061 "pppoe_ppp_parsing"
1062#define DEVLINK_TRAP_GENERIC_NAME_MPLS_PARSING \
1063 "mpls_parsing"
1064#define DEVLINK_TRAP_GENERIC_NAME_ARP_PARSING \
1065 "arp_parsing"
1066#define DEVLINK_TRAP_GENERIC_NAME_IP_1_PARSING \
1067 "ip_1_parsing"
1068#define DEVLINK_TRAP_GENERIC_NAME_IP_N_PARSING \
1069 "ip_n_parsing"
1070#define DEVLINK_TRAP_GENERIC_NAME_GRE_PARSING \
1071 "gre_parsing"
1072#define DEVLINK_TRAP_GENERIC_NAME_UDP_PARSING \
1073 "udp_parsing"
1074#define DEVLINK_TRAP_GENERIC_NAME_TCP_PARSING \
1075 "tcp_parsing"
1076#define DEVLINK_TRAP_GENERIC_NAME_IPSEC_PARSING \
1077 "ipsec_parsing"
1078#define DEVLINK_TRAP_GENERIC_NAME_SCTP_PARSING \
1079 "sctp_parsing"
1080#define DEVLINK_TRAP_GENERIC_NAME_DCCP_PARSING \
1081 "dccp_parsing"
1082#define DEVLINK_TRAP_GENERIC_NAME_GTP_PARSING \
1083 "gtp_parsing"
1084#define DEVLINK_TRAP_GENERIC_NAME_ESP_PARSING \
1085 "esp_parsing"
1086#define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_NEXTHOP \
1087 "blackhole_nexthop"
1088#define DEVLINK_TRAP_GENERIC_NAME_DMAC_FILTER \
1089 "dmac_filter"
1090
1091#define DEVLINK_TRAP_GROUP_GENERIC_NAME_L2_DROPS \
1092 "l2_drops"
1093#define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_DROPS \
1094 "l3_drops"
1095#define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_EXCEPTIONS \
1096 "l3_exceptions"
1097#define DEVLINK_TRAP_GROUP_GENERIC_NAME_BUFFER_DROPS \
1098 "buffer_drops"
1099#define DEVLINK_TRAP_GROUP_GENERIC_NAME_TUNNEL_DROPS \
1100 "tunnel_drops"
1101#define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_DROPS \
1102 "acl_drops"
1103#define DEVLINK_TRAP_GROUP_GENERIC_NAME_STP \
1104 "stp"
1105#define DEVLINK_TRAP_GROUP_GENERIC_NAME_LACP \
1106 "lacp"
1107#define DEVLINK_TRAP_GROUP_GENERIC_NAME_LLDP \
1108 "lldp"
1109#define DEVLINK_TRAP_GROUP_GENERIC_NAME_MC_SNOOPING \
1110 "mc_snooping"
1111#define DEVLINK_TRAP_GROUP_GENERIC_NAME_DHCP \
1112 "dhcp"
1113#define DEVLINK_TRAP_GROUP_GENERIC_NAME_NEIGH_DISCOVERY \
1114 "neigh_discovery"
1115#define DEVLINK_TRAP_GROUP_GENERIC_NAME_BFD \
1116 "bfd"
1117#define DEVLINK_TRAP_GROUP_GENERIC_NAME_OSPF \
1118 "ospf"
1119#define DEVLINK_TRAP_GROUP_GENERIC_NAME_BGP \
1120 "bgp"
1121#define DEVLINK_TRAP_GROUP_GENERIC_NAME_VRRP \
1122 "vrrp"
1123#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PIM \
1124 "pim"
1125#define DEVLINK_TRAP_GROUP_GENERIC_NAME_UC_LB \
1126 "uc_loopback"
1127#define DEVLINK_TRAP_GROUP_GENERIC_NAME_LOCAL_DELIVERY \
1128 "local_delivery"
1129#define DEVLINK_TRAP_GROUP_GENERIC_NAME_EXTERNAL_DELIVERY \
1130 "external_delivery"
1131#define DEVLINK_TRAP_GROUP_GENERIC_NAME_IPV6 \
1132 "ipv6"
1133#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_EVENT \
1134 "ptp_event"
1135#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_GENERAL \
1136 "ptp_general"
1137#define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_SAMPLE \
1138 "acl_sample"
1139#define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_TRAP \
1140 "acl_trap"
1141#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PARSER_ERROR_DROPS \
1142 "parser_error_drops"
1143
1144#define DEVLINK_TRAP_GENERIC(_type, _init_action, _id, _group_id, \
1145 _metadata_cap) \
1146 { \
1147 .type = DEVLINK_TRAP_TYPE_##_type, \
1148 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \
1149 .generic = true, \
1150 .id = DEVLINK_TRAP_GENERIC_ID_##_id, \
1151 .name = DEVLINK_TRAP_GENERIC_NAME_##_id, \
1152 .init_group_id = _group_id, \
1153 .metadata_cap = _metadata_cap, \
1154 }
1155
1156#define DEVLINK_TRAP_DRIVER(_type, _init_action, _id, _name, _group_id, \
1157 _metadata_cap) \
1158 { \
1159 .type = DEVLINK_TRAP_TYPE_##_type, \
1160 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \
1161 .generic = false, \
1162 .id = _id, \
1163 .name = _name, \
1164 .init_group_id = _group_id, \
1165 .metadata_cap = _metadata_cap, \
1166 }
1167
1168#define DEVLINK_TRAP_GROUP_GENERIC(_id, _policer_id) \
1169 { \
1170 .name = DEVLINK_TRAP_GROUP_GENERIC_NAME_##_id, \
1171 .id = DEVLINK_TRAP_GROUP_GENERIC_ID_##_id, \
1172 .generic = true, \
1173 .init_policer_id = _policer_id, \
1174 }
1175
1176#define DEVLINK_TRAP_POLICER(_id, _rate, _burst, _max_rate, _min_rate, \
1177 _max_burst, _min_burst) \
1178 { \
1179 .id = _id, \
1180 .init_rate = _rate, \
1181 .init_burst = _burst, \
1182 .max_rate = _max_rate, \
1183 .min_rate = _min_rate, \
1184 .max_burst = _max_burst, \
1185 .min_burst = _min_burst, \
1186 }
1187
1188enum {
1189 /* device supports reload operations */
1190 DEVLINK_F_RELOAD = 1UL << 0,
1191};
1192
1193struct devlink_ops {
1194 /**
1195 * @supported_flash_update_params:
1196 * mask of parameters supported by the driver's .flash_update
1197 * implemementation.
1198 */
1199 u32 supported_flash_update_params;
1200 unsigned long reload_actions;
1201 unsigned long reload_limits;
1202 int (*reload_down)(struct devlink *devlink, bool netns_change,
1203 enum devlink_reload_action action,
1204 enum devlink_reload_limit limit,
1205 struct netlink_ext_ack *extack);
1206 int (*reload_up)(struct devlink *devlink, enum devlink_reload_action action,
1207 enum devlink_reload_limit limit, u32 *actions_performed,
1208 struct netlink_ext_ack *extack);
1209 int (*port_type_set)(struct devlink_port *devlink_port,
1210 enum devlink_port_type port_type);
1211 int (*port_split)(struct devlink *devlink, unsigned int port_index,
1212 unsigned int count, struct netlink_ext_ack *extack);
1213 int (*port_unsplit)(struct devlink *devlink, unsigned int port_index,
1214 struct netlink_ext_ack *extack);
1215 int (*sb_pool_get)(struct devlink *devlink, unsigned int sb_index,
1216 u16 pool_index,
1217 struct devlink_sb_pool_info *pool_info);
1218 int (*sb_pool_set)(struct devlink *devlink, unsigned int sb_index,
1219 u16 pool_index, u32 size,
1220 enum devlink_sb_threshold_type threshold_type,
1221 struct netlink_ext_ack *extack);
1222 int (*sb_port_pool_get)(struct devlink_port *devlink_port,
1223 unsigned int sb_index, u16 pool_index,
1224 u32 *p_threshold);
1225 int (*sb_port_pool_set)(struct devlink_port *devlink_port,
1226 unsigned int sb_index, u16 pool_index,
1227 u32 threshold, struct netlink_ext_ack *extack);
1228 int (*sb_tc_pool_bind_get)(struct devlink_port *devlink_port,
1229 unsigned int sb_index,
1230 u16 tc_index,
1231 enum devlink_sb_pool_type pool_type,
1232 u16 *p_pool_index, u32 *p_threshold);
1233 int (*sb_tc_pool_bind_set)(struct devlink_port *devlink_port,
1234 unsigned int sb_index,
1235 u16 tc_index,
1236 enum devlink_sb_pool_type pool_type,
1237 u16 pool_index, u32 threshold,
1238 struct netlink_ext_ack *extack);
1239 int (*sb_occ_snapshot)(struct devlink *devlink,
1240 unsigned int sb_index);
1241 int (*sb_occ_max_clear)(struct devlink *devlink,
1242 unsigned int sb_index);
1243 int (*sb_occ_port_pool_get)(struct devlink_port *devlink_port,
1244 unsigned int sb_index, u16 pool_index,
1245 u32 *p_cur, u32 *p_max);
1246 int (*sb_occ_tc_port_bind_get)(struct devlink_port *devlink_port,
1247 unsigned int sb_index,
1248 u16 tc_index,
1249 enum devlink_sb_pool_type pool_type,
1250 u32 *p_cur, u32 *p_max);
1251
1252 int (*eswitch_mode_get)(struct devlink *devlink, u16 *p_mode);
1253 int (*eswitch_mode_set)(struct devlink *devlink, u16 mode,
1254 struct netlink_ext_ack *extack);
1255 int (*eswitch_inline_mode_get)(struct devlink *devlink, u8 *p_inline_mode);
1256 int (*eswitch_inline_mode_set)(struct devlink *devlink, u8 inline_mode,
1257 struct netlink_ext_ack *extack);
1258 int (*eswitch_encap_mode_get)(struct devlink *devlink,
1259 enum devlink_eswitch_encap_mode *p_encap_mode);
1260 int (*eswitch_encap_mode_set)(struct devlink *devlink,
1261 enum devlink_eswitch_encap_mode encap_mode,
1262 struct netlink_ext_ack *extack);
1263 int (*info_get)(struct devlink *devlink, struct devlink_info_req *req,
1264 struct netlink_ext_ack *extack);
1265 /**
1266 * @flash_update: Device flash update function
1267 *
1268 * Used to perform a flash update for the device. The set of
1269 * parameters supported by the driver should be set in
1270 * supported_flash_update_params.
1271 */
1272 int (*flash_update)(struct devlink *devlink,
1273 struct devlink_flash_update_params *params,
1274 struct netlink_ext_ack *extack);
1275 /**
1276 * @trap_init: Trap initialization function.
1277 *
1278 * Should be used by device drivers to initialize the trap in the
1279 * underlying device. Drivers should also store the provided trap
1280 * context, so that they could efficiently pass it to
1281 * devlink_trap_report() when the trap is triggered.
1282 */
1283 int (*trap_init)(struct devlink *devlink,
1284 const struct devlink_trap *trap, void *trap_ctx);
1285 /**
1286 * @trap_fini: Trap de-initialization function.
1287 *
1288 * Should be used by device drivers to de-initialize the trap in the
1289 * underlying device.
1290 */
1291 void (*trap_fini)(struct devlink *devlink,
1292 const struct devlink_trap *trap, void *trap_ctx);
1293 /**
1294 * @trap_action_set: Trap action set function.
1295 */
1296 int (*trap_action_set)(struct devlink *devlink,
1297 const struct devlink_trap *trap,
1298 enum devlink_trap_action action,
1299 struct netlink_ext_ack *extack);
1300 /**
1301 * @trap_group_init: Trap group initialization function.
1302 *
1303 * Should be used by device drivers to initialize the trap group in the
1304 * underlying device.
1305 */
1306 int (*trap_group_init)(struct devlink *devlink,
1307 const struct devlink_trap_group *group);
1308 /**
1309 * @trap_group_set: Trap group parameters set function.
1310 *
1311 * Note: @policer can be NULL when a policer is being unbound from
1312 * @group.
1313 */
1314 int (*trap_group_set)(struct devlink *devlink,
1315 const struct devlink_trap_group *group,
1316 const struct devlink_trap_policer *policer,
1317 struct netlink_ext_ack *extack);
1318 /**
1319 * @trap_group_action_set: Trap group action set function.
1320 *
1321 * If this callback is populated, it will take precedence over looping
1322 * over all traps in a group and calling .trap_action_set().
1323 */
1324 int (*trap_group_action_set)(struct devlink *devlink,
1325 const struct devlink_trap_group *group,
1326 enum devlink_trap_action action,
1327 struct netlink_ext_ack *extack);
1328 /**
1329 * @trap_drop_counter_get: Trap drop counter get function.
1330 *
1331 * Should be used by device drivers to report number of packets
1332 * that have been dropped, and cannot be passed to the devlink
1333 * subsystem by the underlying device.
1334 */
1335 int (*trap_drop_counter_get)(struct devlink *devlink,
1336 const struct devlink_trap *trap,
1337 u64 *p_drops);
1338 /**
1339 * @trap_policer_init: Trap policer initialization function.
1340 *
1341 * Should be used by device drivers to initialize the trap policer in
1342 * the underlying device.
1343 */
1344 int (*trap_policer_init)(struct devlink *devlink,
1345 const struct devlink_trap_policer *policer);
1346 /**
1347 * @trap_policer_fini: Trap policer de-initialization function.
1348 *
1349 * Should be used by device drivers to de-initialize the trap policer
1350 * in the underlying device.
1351 */
1352 void (*trap_policer_fini)(struct devlink *devlink,
1353 const struct devlink_trap_policer *policer);
1354 /**
1355 * @trap_policer_set: Trap policer parameters set function.
1356 */
1357 int (*trap_policer_set)(struct devlink *devlink,
1358 const struct devlink_trap_policer *policer,
1359 u64 rate, u64 burst,
1360 struct netlink_ext_ack *extack);
1361 /**
1362 * @trap_policer_counter_get: Trap policer counter get function.
1363 *
1364 * Should be used by device drivers to report number of packets dropped
1365 * by the policer.
1366 */
1367 int (*trap_policer_counter_get)(struct devlink *devlink,
1368 const struct devlink_trap_policer *policer,
1369 u64 *p_drops);
1370 /**
1371 * @port_function_hw_addr_get: Port function's hardware address get function.
1372 *
1373 * Should be used by device drivers to report the hardware address of a function managed
1374 * by the devlink port. Driver should return -EOPNOTSUPP if it doesn't support port
1375 * function handling for a particular port.
1376 *
1377 * Note: @extack can be NULL when port notifier queries the port function.
1378 */
1379 int (*port_function_hw_addr_get)(struct devlink_port *port, u8 *hw_addr,
1380 int *hw_addr_len,
1381 struct netlink_ext_ack *extack);
1382 /**
1383 * @port_function_hw_addr_set: Port function's hardware address set function.
1384 *
1385 * Should be used by device drivers to set the hardware address of a function managed
1386 * by the devlink port. Driver should return -EOPNOTSUPP if it doesn't support port
1387 * function handling for a particular port.
1388 */
1389 int (*port_function_hw_addr_set)(struct devlink_port *port,
1390 const u8 *hw_addr, int hw_addr_len,
1391 struct netlink_ext_ack *extack);
1392 /**
1393 * port_new() - Add a new port function of a specified flavor
1394 * @devlink: Devlink instance
1395 * @attrs: attributes of the new port
1396 * @extack: extack for reporting error messages
1397 * @new_port_index: index of the new port
1398 *
1399 * Devlink core will call this device driver function upon user request
1400 * to create a new port function of a specified flavor and optional
1401 * attributes
1402 *
1403 * Notes:
1404 * - Called without devlink instance lock being held. Drivers must
1405 * implement own means of synchronization
1406 * - On success, drivers must register a port with devlink core
1407 *
1408 * Return: 0 on success, negative value otherwise.
1409 */
1410 int (*port_new)(struct devlink *devlink,
1411 const struct devlink_port_new_attrs *attrs,
1412 struct netlink_ext_ack *extack,
1413 unsigned int *new_port_index);
1414 /**
1415 * port_del() - Delete a port function
1416 * @devlink: Devlink instance
1417 * @port_index: port function index to delete
1418 * @extack: extack for reporting error messages
1419 *
1420 * Devlink core will call this device driver function upon user request
1421 * to delete a previously created port function
1422 *
1423 * Notes:
1424 * - Called without devlink instance lock being held. Drivers must
1425 * implement own means of synchronization
1426 * - On success, drivers must unregister the corresponding devlink
1427 * port
1428 *
1429 * Return: 0 on success, negative value otherwise.
1430 */
1431 int (*port_del)(struct devlink *devlink, unsigned int port_index,
1432 struct netlink_ext_ack *extack);
1433 /**
1434 * port_fn_state_get() - Get the state of a port function
1435 * @devlink: Devlink instance
1436 * @port: The devlink port
1437 * @state: Admin configured state
1438 * @opstate: Current operational state
1439 * @extack: extack for reporting error messages
1440 *
1441 * Reports the admin and operational state of a devlink port function
1442 *
1443 * Return: 0 on success, negative value otherwise.
1444 */
1445 int (*port_fn_state_get)(struct devlink_port *port,
1446 enum devlink_port_fn_state *state,
1447 enum devlink_port_fn_opstate *opstate,
1448 struct netlink_ext_ack *extack);
1449 /**
1450 * port_fn_state_set() - Set the admin state of a port function
1451 * @devlink: Devlink instance
1452 * @port: The devlink port
1453 * @state: Admin state
1454 * @extack: extack for reporting error messages
1455 *
1456 * Set the admin state of a devlink port function
1457 *
1458 * Return: 0 on success, negative value otherwise.
1459 */
1460 int (*port_fn_state_set)(struct devlink_port *port,
1461 enum devlink_port_fn_state state,
1462 struct netlink_ext_ack *extack);
1463
1464 /**
1465 * Rate control callbacks.
1466 */
1467 int (*rate_leaf_tx_share_set)(struct devlink_rate *devlink_rate, void *priv,
1468 u64 tx_share, struct netlink_ext_ack *extack);
1469 int (*rate_leaf_tx_max_set)(struct devlink_rate *devlink_rate, void *priv,
1470 u64 tx_max, struct netlink_ext_ack *extack);
1471 int (*rate_node_tx_share_set)(struct devlink_rate *devlink_rate, void *priv,
1472 u64 tx_share, struct netlink_ext_ack *extack);
1473 int (*rate_node_tx_max_set)(struct devlink_rate *devlink_rate, void *priv,
1474 u64 tx_max, struct netlink_ext_ack *extack);
1475 int (*rate_node_new)(struct devlink_rate *rate_node, void **priv,
1476 struct netlink_ext_ack *extack);
1477 int (*rate_node_del)(struct devlink_rate *rate_node, void *priv,
1478 struct netlink_ext_ack *extack);
1479 int (*rate_leaf_parent_set)(struct devlink_rate *child,
1480 struct devlink_rate *parent,
1481 void *priv_child, void *priv_parent,
1482 struct netlink_ext_ack *extack);
1483 int (*rate_node_parent_set)(struct devlink_rate *child,
1484 struct devlink_rate *parent,
1485 void *priv_child, void *priv_parent,
1486 struct netlink_ext_ack *extack);
1487};
1488
1489void *devlink_priv(struct devlink *devlink);
1490struct devlink *priv_to_devlink(void *priv);
1491struct device *devlink_to_dev(const struct devlink *devlink);
1492
1493struct ib_device;
1494
1495struct net *devlink_net(const struct devlink *devlink);
1496/* This call is intended for software devices that can create
1497 * devlink instances in other namespaces than init_net.
1498 *
1499 * Drivers that operate on real HW must use devlink_alloc() instead.
1500 */
1501struct devlink *devlink_alloc_ns(const struct devlink_ops *ops,
1502 size_t priv_size, struct net *net,
1503 struct device *dev);
1504static inline struct devlink *devlink_alloc(const struct devlink_ops *ops,
1505 size_t priv_size,
1506 struct device *dev)
1507{
1508 return devlink_alloc_ns(ops, priv_size, &init_net, dev);
1509}
1510void devlink_set_features(struct devlink *devlink, u64 features);
1511void devlink_register(struct devlink *devlink);
1512void devlink_unregister(struct devlink *devlink);
1513void devlink_free(struct devlink *devlink);
1514int devlink_port_register(struct devlink *devlink,
1515 struct devlink_port *devlink_port,
1516 unsigned int port_index);
1517void devlink_port_unregister(struct devlink_port *devlink_port);
1518void devlink_port_type_eth_set(struct devlink_port *devlink_port,
1519 struct net_device *netdev);
1520void devlink_port_type_ib_set(struct devlink_port *devlink_port,
1521 struct ib_device *ibdev);
1522void devlink_port_type_clear(struct devlink_port *devlink_port);
1523void devlink_port_attrs_set(struct devlink_port *devlink_port,
1524 struct devlink_port_attrs *devlink_port_attrs);
1525void devlink_port_attrs_pci_pf_set(struct devlink_port *devlink_port, u32 controller,
1526 u16 pf, bool external);
1527void devlink_port_attrs_pci_vf_set(struct devlink_port *devlink_port, u32 controller,
1528 u16 pf, u16 vf, bool external);
1529void devlink_port_attrs_pci_sf_set(struct devlink_port *devlink_port,
1530 u32 controller, u16 pf, u32 sf,
1531 bool external);
1532int devlink_rate_leaf_create(struct devlink_port *port, void *priv);
1533void devlink_rate_leaf_destroy(struct devlink_port *devlink_port);
1534void devlink_rate_nodes_destroy(struct devlink *devlink);
1535int devlink_sb_register(struct devlink *devlink, unsigned int sb_index,
1536 u32 size, u16 ingress_pools_count,
1537 u16 egress_pools_count, u16 ingress_tc_count,
1538 u16 egress_tc_count);
1539void devlink_sb_unregister(struct devlink *devlink, unsigned int sb_index);
1540int devlink_dpipe_table_register(struct devlink *devlink,
1541 const char *table_name,
1542 struct devlink_dpipe_table_ops *table_ops,
1543 void *priv, bool counter_control_extern);
1544void devlink_dpipe_table_unregister(struct devlink *devlink,
1545 const char *table_name);
1546int devlink_dpipe_headers_register(struct devlink *devlink,
1547 struct devlink_dpipe_headers *dpipe_headers);
1548void devlink_dpipe_headers_unregister(struct devlink *devlink);
1549bool devlink_dpipe_table_counter_enabled(struct devlink *devlink,
1550 const char *table_name);
1551int devlink_dpipe_entry_ctx_prepare(struct devlink_dpipe_dump_ctx *dump_ctx);
1552int devlink_dpipe_entry_ctx_append(struct devlink_dpipe_dump_ctx *dump_ctx,
1553 struct devlink_dpipe_entry *entry);
1554int devlink_dpipe_entry_ctx_close(struct devlink_dpipe_dump_ctx *dump_ctx);
1555void devlink_dpipe_entry_clear(struct devlink_dpipe_entry *entry);
1556int devlink_dpipe_action_put(struct sk_buff *skb,
1557 struct devlink_dpipe_action *action);
1558int devlink_dpipe_match_put(struct sk_buff *skb,
1559 struct devlink_dpipe_match *match);
1560extern struct devlink_dpipe_header devlink_dpipe_header_ethernet;
1561extern struct devlink_dpipe_header devlink_dpipe_header_ipv4;
1562extern struct devlink_dpipe_header devlink_dpipe_header_ipv6;
1563
1564int devlink_resource_register(struct devlink *devlink,
1565 const char *resource_name,
1566 u64 resource_size,
1567 u64 resource_id,
1568 u64 parent_resource_id,
1569 const struct devlink_resource_size_params *size_params);
1570void devlink_resources_unregister(struct devlink *devlink,
1571 struct devlink_resource *resource);
1572int devlink_resource_size_get(struct devlink *devlink,
1573 u64 resource_id,
1574 u64 *p_resource_size);
1575int devlink_dpipe_table_resource_set(struct devlink *devlink,
1576 const char *table_name, u64 resource_id,
1577 u64 resource_units);
1578void devlink_resource_occ_get_register(struct devlink *devlink,
1579 u64 resource_id,
1580 devlink_resource_occ_get_t *occ_get,
1581 void *occ_get_priv);
1582void devlink_resource_occ_get_unregister(struct devlink *devlink,
1583 u64 resource_id);
1584int devlink_params_register(struct devlink *devlink,
1585 const struct devlink_param *params,
1586 size_t params_count);
1587void devlink_params_unregister(struct devlink *devlink,
1588 const struct devlink_param *params,
1589 size_t params_count);
1590int devlink_param_register(struct devlink *devlink,
1591 const struct devlink_param *param);
1592void devlink_param_unregister(struct devlink *devlink,
1593 const struct devlink_param *param);
1594int devlink_param_driverinit_value_get(struct devlink *devlink, u32 param_id,
1595 union devlink_param_value *init_val);
1596int devlink_param_driverinit_value_set(struct devlink *devlink, u32 param_id,
1597 union devlink_param_value init_val);
1598void devlink_param_value_changed(struct devlink *devlink, u32 param_id);
1599struct devlink_region *
1600devlink_region_create(struct devlink *devlink,
1601 const struct devlink_region_ops *ops,
1602 u32 region_max_snapshots, u64 region_size);
1603struct devlink_region *
1604devlink_port_region_create(struct devlink_port *port,
1605 const struct devlink_port_region_ops *ops,
1606 u32 region_max_snapshots, u64 region_size);
1607void devlink_region_destroy(struct devlink_region *region);
1608void devlink_port_region_destroy(struct devlink_region *region);
1609
1610int devlink_region_snapshot_id_get(struct devlink *devlink, u32 *id);
1611void devlink_region_snapshot_id_put(struct devlink *devlink, u32 id);
1612int devlink_region_snapshot_create(struct devlink_region *region,
1613 u8 *data, u32 snapshot_id);
1614int devlink_info_serial_number_put(struct devlink_info_req *req,
1615 const char *sn);
1616int devlink_info_driver_name_put(struct devlink_info_req *req,
1617 const char *name);
1618int devlink_info_board_serial_number_put(struct devlink_info_req *req,
1619 const char *bsn);
1620int devlink_info_version_fixed_put(struct devlink_info_req *req,
1621 const char *version_name,
1622 const char *version_value);
1623int devlink_info_version_stored_put(struct devlink_info_req *req,
1624 const char *version_name,
1625 const char *version_value);
1626int devlink_info_version_running_put(struct devlink_info_req *req,
1627 const char *version_name,
1628 const char *version_value);
1629
1630int devlink_fmsg_obj_nest_start(struct devlink_fmsg *fmsg);
1631int devlink_fmsg_obj_nest_end(struct devlink_fmsg *fmsg);
1632
1633int devlink_fmsg_pair_nest_start(struct devlink_fmsg *fmsg, const char *name);
1634int devlink_fmsg_pair_nest_end(struct devlink_fmsg *fmsg);
1635
1636int devlink_fmsg_arr_pair_nest_start(struct devlink_fmsg *fmsg,
1637 const char *name);
1638int devlink_fmsg_arr_pair_nest_end(struct devlink_fmsg *fmsg);
1639int devlink_fmsg_binary_pair_nest_start(struct devlink_fmsg *fmsg,
1640 const char *name);
1641int devlink_fmsg_binary_pair_nest_end(struct devlink_fmsg *fmsg);
1642
1643int devlink_fmsg_u32_put(struct devlink_fmsg *fmsg, u32 value);
1644int devlink_fmsg_string_put(struct devlink_fmsg *fmsg, const char *value);
1645int devlink_fmsg_binary_put(struct devlink_fmsg *fmsg, const void *value,
1646 u16 value_len);
1647
1648int devlink_fmsg_bool_pair_put(struct devlink_fmsg *fmsg, const char *name,
1649 bool value);
1650int devlink_fmsg_u8_pair_put(struct devlink_fmsg *fmsg, const char *name,
1651 u8 value);
1652int devlink_fmsg_u32_pair_put(struct devlink_fmsg *fmsg, const char *name,
1653 u32 value);
1654int devlink_fmsg_u64_pair_put(struct devlink_fmsg *fmsg, const char *name,
1655 u64 value);
1656int devlink_fmsg_string_pair_put(struct devlink_fmsg *fmsg, const char *name,
1657 const char *value);
1658int devlink_fmsg_binary_pair_put(struct devlink_fmsg *fmsg, const char *name,
1659 const void *value, u32 value_len);
1660
1661struct devlink_health_reporter *
1662devlink_health_reporter_create(struct devlink *devlink,
1663 const struct devlink_health_reporter_ops *ops,
1664 u64 graceful_period, void *priv);
1665
1666struct devlink_health_reporter *
1667devlink_port_health_reporter_create(struct devlink_port *port,
1668 const struct devlink_health_reporter_ops *ops,
1669 u64 graceful_period, void *priv);
1670
1671void
1672devlink_health_reporter_destroy(struct devlink_health_reporter *reporter);
1673
1674void
1675devlink_port_health_reporter_destroy(struct devlink_health_reporter *reporter);
1676
1677void *
1678devlink_health_reporter_priv(struct devlink_health_reporter *reporter);
1679int devlink_health_report(struct devlink_health_reporter *reporter,
1680 const char *msg, void *priv_ctx);
1681void
1682devlink_health_reporter_state_update(struct devlink_health_reporter *reporter,
1683 enum devlink_health_reporter_state state);
1684void
1685devlink_health_reporter_recovery_done(struct devlink_health_reporter *reporter);
1686
1687bool devlink_is_reload_failed(const struct devlink *devlink);
1688void devlink_remote_reload_actions_performed(struct devlink *devlink,
1689 enum devlink_reload_limit limit,
1690 u32 actions_performed);
1691
1692void devlink_flash_update_status_notify(struct devlink *devlink,
1693 const char *status_msg,
1694 const char *component,
1695 unsigned long done,
1696 unsigned long total);
1697void devlink_flash_update_timeout_notify(struct devlink *devlink,
1698 const char *status_msg,
1699 const char *component,
1700 unsigned long timeout);
1701
1702int devlink_traps_register(struct devlink *devlink,
1703 const struct devlink_trap *traps,
1704 size_t traps_count, void *priv);
1705void devlink_traps_unregister(struct devlink *devlink,
1706 const struct devlink_trap *traps,
1707 size_t traps_count);
1708void devlink_trap_report(struct devlink *devlink, struct sk_buff *skb,
1709 void *trap_ctx, struct devlink_port *in_devlink_port,
1710 const struct flow_action_cookie *fa_cookie);
1711void *devlink_trap_ctx_priv(void *trap_ctx);
1712int devlink_trap_groups_register(struct devlink *devlink,
1713 const struct devlink_trap_group *groups,
1714 size_t groups_count);
1715void devlink_trap_groups_unregister(struct devlink *devlink,
1716 const struct devlink_trap_group *groups,
1717 size_t groups_count);
1718int
1719devlink_trap_policers_register(struct devlink *devlink,
1720 const struct devlink_trap_policer *policers,
1721 size_t policers_count);
1722void
1723devlink_trap_policers_unregister(struct devlink *devlink,
1724 const struct devlink_trap_policer *policers,
1725 size_t policers_count);
1726
1727#if IS_ENABLED(CONFIG_NET_DEVLINK)
1728
1729struct devlink *__must_check devlink_try_get(struct devlink *devlink);
1730void devlink_put(struct devlink *devlink);
1731
1732void devlink_compat_running_version(struct devlink *devlink,
1733 char *buf, size_t len);
1734int devlink_compat_flash_update(struct devlink *devlink, const char *file_name);
1735int devlink_compat_phys_port_name_get(struct net_device *dev,
1736 char *name, size_t len);
1737int devlink_compat_switch_id_get(struct net_device *dev,
1738 struct netdev_phys_item_id *ppid);
1739
1740#else
1741
1742static inline struct devlink *devlink_try_get(struct devlink *devlink)
1743{
1744 return NULL;
1745}
1746
1747static inline void devlink_put(struct devlink *devlink)
1748{
1749}
1750
1751static inline void
1752devlink_compat_running_version(struct devlink *devlink, char *buf, size_t len)
1753{
1754}
1755
1756static inline int
1757devlink_compat_flash_update(struct devlink *devlink, const char *file_name)
1758{
1759 return -EOPNOTSUPP;
1760}
1761
1762static inline int
1763devlink_compat_phys_port_name_get(struct net_device *dev,
1764 char *name, size_t len)
1765{
1766 return -EOPNOTSUPP;
1767}
1768
1769static inline int
1770devlink_compat_switch_id_get(struct net_device *dev,
1771 struct netdev_phys_item_id *ppid)
1772{
1773 return -EOPNOTSUPP;
1774}
1775
1776#endif
1777
1778#endif /* _NET_DEVLINK_H_ */