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;
25struct devlink_linecard;
26
27struct devlink_port_phys_attrs {
28 u32 port_number; /* Same value as "split group".
29 * A physical port which is visible to the user
30 * for a given port flavour.
31 */
32 u32 split_subport_number; /* If the port is split, this is the number of subport. */
33};
34
35/**
36 * struct devlink_port_pci_pf_attrs - devlink port's PCI PF attributes
37 * @controller: Associated controller number
38 * @pf: associated PCI function number for the devlink port instance
39 * @external: when set, indicates if a port is for an external controller
40 */
41struct devlink_port_pci_pf_attrs {
42 u32 controller;
43 u16 pf;
44 u8 external:1;
45};
46
47/**
48 * struct devlink_port_pci_vf_attrs - devlink port's PCI VF attributes
49 * @controller: Associated controller number
50 * @pf: associated PCI function number for the devlink port instance
51 * @vf: associated PCI VF number of a PF for the devlink port instance;
52 * VF number starts from 0 for the first PCI virtual function
53 * @external: when set, indicates if a port is for an external controller
54 */
55struct devlink_port_pci_vf_attrs {
56 u32 controller;
57 u16 pf;
58 u16 vf;
59 u8 external:1;
60};
61
62/**
63 * struct devlink_port_pci_sf_attrs - devlink port's PCI SF attributes
64 * @controller: Associated controller number
65 * @sf: associated SF number of a PF for the devlink port instance
66 * @pf: associated PCI function number for the devlink port instance
67 * @external: when set, indicates if a port is for an external controller
68 */
69struct devlink_port_pci_sf_attrs {
70 u32 controller;
71 u32 sf;
72 u16 pf;
73 u8 external:1;
74};
75
76/**
77 * struct devlink_port_attrs - devlink port object
78 * @flavour: flavour of the port
79 * @split: indicates if this is split port
80 * @splittable: indicates if the port can be split.
81 * @no_phys_port_name: skip automatic phys_port_name generation; for
82 * compatibility only, newly added driver/port instance
83 * should never set this.
84 * @lanes: maximum number of lanes the port supports. 0 value is not passed to netlink.
85 * @switch_id: if the port is part of switch, this is buffer with ID, otherwise this is NULL
86 * @phys: physical port attributes
87 * @pci_pf: PCI PF port attributes
88 * @pci_vf: PCI VF port attributes
89 * @pci_sf: PCI SF port attributes
90 */
91struct devlink_port_attrs {
92 u8 split:1,
93 splittable:1,
94 no_phys_port_name:1;
95 u32 lanes;
96 enum devlink_port_flavour flavour;
97 struct netdev_phys_item_id switch_id;
98 union {
99 struct devlink_port_phys_attrs phys;
100 struct devlink_port_pci_pf_attrs pci_pf;
101 struct devlink_port_pci_vf_attrs pci_vf;
102 struct devlink_port_pci_sf_attrs pci_sf;
103 };
104};
105
106struct devlink_rate {
107 struct list_head list;
108 enum devlink_rate_type type;
109 struct devlink *devlink;
110 void *priv;
111 u64 tx_share;
112 u64 tx_max;
113
114 struct devlink_rate *parent;
115 union {
116 struct devlink_port *devlink_port;
117 struct {
118 char *name;
119 refcount_t refcnt;
120 };
121 };
122
123 u32 tx_priority;
124 u32 tx_weight;
125
126 u32 tc_bw[DEVLINK_RATE_TCS_MAX];
127};
128
129struct devlink_port {
130 struct list_head list;
131 struct list_head region_list;
132 struct devlink *devlink;
133 const struct devlink_port_ops *ops;
134 unsigned int index;
135 spinlock_t type_lock; /* Protects type and type_eth/ib
136 * structures consistency.
137 */
138 enum devlink_port_type type;
139 enum devlink_port_type desired_type;
140 union {
141 struct {
142 struct net_device *netdev;
143 int ifindex;
144 char ifname[IFNAMSIZ];
145 } type_eth;
146 struct {
147 struct ib_device *ibdev;
148 } type_ib;
149 };
150 struct devlink_port_attrs attrs;
151 u8 attrs_set:1,
152 switch_port:1,
153 registered:1,
154 initialized:1;
155 struct delayed_work type_warn_dw;
156 struct list_head reporter_list;
157
158 struct devlink_rate *devlink_rate;
159 struct devlink_linecard *linecard;
160 u32 rel_index;
161};
162
163struct devlink_port_new_attrs {
164 enum devlink_port_flavour flavour;
165 unsigned int port_index;
166 u32 controller;
167 u32 sfnum;
168 u16 pfnum;
169 u8 port_index_valid:1,
170 controller_valid:1,
171 sfnum_valid:1;
172};
173
174/**
175 * struct devlink_linecard_ops - Linecard operations
176 * @provision: callback to provision the linecard slot with certain
177 * type of linecard. As a result of this operation,
178 * driver is expected to eventually (could be after
179 * the function call returns) call one of:
180 * devlink_linecard_provision_set()
181 * devlink_linecard_provision_fail()
182 * @unprovision: callback to unprovision the linecard slot. As a result
183 * of this operation, driver is expected to eventually
184 * (could be after the function call returns) call
185 * devlink_linecard_provision_clear()
186 * devlink_linecard_provision_fail()
187 * @same_provision: callback to ask the driver if linecard is already
188 * provisioned in the same way user asks this linecard to be
189 * provisioned.
190 * @types_count: callback to get number of supported types
191 * @types_get: callback to get next type in list
192 */
193struct devlink_linecard_ops {
194 int (*provision)(struct devlink_linecard *linecard, void *priv,
195 const char *type, const void *type_priv,
196 struct netlink_ext_ack *extack);
197 int (*unprovision)(struct devlink_linecard *linecard, void *priv,
198 struct netlink_ext_ack *extack);
199 bool (*same_provision)(struct devlink_linecard *linecard, void *priv,
200 const char *type, const void *type_priv);
201 unsigned int (*types_count)(struct devlink_linecard *linecard,
202 void *priv);
203 void (*types_get)(struct devlink_linecard *linecard,
204 void *priv, unsigned int index, const char **type,
205 const void **type_priv);
206};
207
208struct devlink_sb_pool_info {
209 enum devlink_sb_pool_type pool_type;
210 u32 size;
211 enum devlink_sb_threshold_type threshold_type;
212 u32 cell_size;
213};
214
215/**
216 * struct devlink_dpipe_field - dpipe field object
217 * @name: field name
218 * @id: index inside the headers field array
219 * @bitwidth: bitwidth
220 * @mapping_type: mapping type
221 */
222struct devlink_dpipe_field {
223 const char *name;
224 unsigned int id;
225 unsigned int bitwidth;
226 enum devlink_dpipe_field_mapping_type mapping_type;
227};
228
229/**
230 * struct devlink_dpipe_header - dpipe header object
231 * @name: header name
232 * @id: index, global/local determined by global bit
233 * @fields: fields
234 * @fields_count: number of fields
235 * @global: indicates if header is shared like most protocol header
236 * or driver specific
237 */
238struct devlink_dpipe_header {
239 const char *name;
240 unsigned int id;
241 struct devlink_dpipe_field *fields;
242 unsigned int fields_count;
243 bool global;
244};
245
246/**
247 * struct devlink_dpipe_match - represents match operation
248 * @type: type of match
249 * @header_index: header index (packets can have several headers of same
250 * type like in case of tunnels)
251 * @header: header
252 * @field_id: field index
253 */
254struct devlink_dpipe_match {
255 enum devlink_dpipe_match_type type;
256 unsigned int header_index;
257 struct devlink_dpipe_header *header;
258 unsigned int field_id;
259};
260
261/**
262 * struct devlink_dpipe_action - represents action operation
263 * @type: type of action
264 * @header_index: header index (packets can have several headers of same
265 * type like in case of tunnels)
266 * @header: header
267 * @field_id: field index
268 */
269struct devlink_dpipe_action {
270 enum devlink_dpipe_action_type type;
271 unsigned int header_index;
272 struct devlink_dpipe_header *header;
273 unsigned int field_id;
274};
275
276/**
277 * struct devlink_dpipe_value - represents value of match/action
278 * @action: action
279 * @match: match
280 * @mapping_value: in case the field has some mapping this value
281 * specified the mapping value
282 * @mapping_valid: specify if mapping value is valid
283 * @value_size: value size
284 * @value: value
285 * @mask: bit mask
286 */
287struct devlink_dpipe_value {
288 union {
289 struct devlink_dpipe_action *action;
290 struct devlink_dpipe_match *match;
291 };
292 unsigned int mapping_value;
293 bool mapping_valid;
294 unsigned int value_size;
295 void *value;
296 void *mask;
297};
298
299/**
300 * struct devlink_dpipe_entry - table entry object
301 * @index: index of the entry in the table
302 * @match_values: match values
303 * @match_values_count: count of matches tuples
304 * @action_values: actions values
305 * @action_values_count: count of actions values
306 * @counter: value of counter
307 * @counter_valid: Specify if value is valid from hardware
308 */
309struct devlink_dpipe_entry {
310 u64 index;
311 struct devlink_dpipe_value *match_values;
312 unsigned int match_values_count;
313 struct devlink_dpipe_value *action_values;
314 unsigned int action_values_count;
315 u64 counter;
316 bool counter_valid;
317};
318
319/**
320 * struct devlink_dpipe_dump_ctx - context provided to driver in order
321 * to dump
322 * @info: info
323 * @cmd: devlink command
324 * @skb: skb
325 * @nest: top attribute
326 * @hdr: hdr
327 */
328struct devlink_dpipe_dump_ctx {
329 struct genl_info *info;
330 enum devlink_command cmd;
331 struct sk_buff *skb;
332 struct nlattr *nest;
333 void *hdr;
334};
335
336struct devlink_dpipe_table_ops;
337
338/**
339 * struct devlink_dpipe_table - table object
340 * @priv: private
341 * @name: table name
342 * @counters_enabled: indicates if counters are active
343 * @counter_control_extern: indicates if counter control is in dpipe or
344 * external tool
345 * @resource_valid: Indicate that the resource id is valid
346 * @resource_id: relative resource this table is related to
347 * @resource_units: number of resource's unit consumed per table's entry
348 * @table_ops: table operations
349 * @rcu: rcu
350 */
351struct devlink_dpipe_table {
352 void *priv;
353 /* private: */
354 struct list_head list;
355 /* public: */
356 const char *name;
357 bool counters_enabled;
358 bool counter_control_extern;
359 bool resource_valid;
360 u64 resource_id;
361 u64 resource_units;
362 const struct devlink_dpipe_table_ops *table_ops;
363 struct rcu_head rcu;
364};
365
366/**
367 * struct devlink_dpipe_table_ops - dpipe_table ops
368 * @actions_dump: dumps all tables actions
369 * @matches_dump: dumps all tables matches
370 * @entries_dump: dumps all active entries in the table
371 * @counters_set_update: when changing the counter status hardware sync
372 * maybe needed to allocate/free counter related
373 * resources
374 * @size_get: get size
375 */
376struct devlink_dpipe_table_ops {
377 int (*actions_dump)(void *priv, struct sk_buff *skb);
378 int (*matches_dump)(void *priv, struct sk_buff *skb);
379 int (*entries_dump)(void *priv, bool counters_enabled,
380 struct devlink_dpipe_dump_ctx *dump_ctx);
381 int (*counters_set_update)(void *priv, bool enable);
382 u64 (*size_get)(void *priv);
383};
384
385/**
386 * struct devlink_dpipe_headers - dpipe headers
387 * @headers: header array can be shared (global bit) or driver specific
388 * @headers_count: count of headers
389 */
390struct devlink_dpipe_headers {
391 struct devlink_dpipe_header **headers;
392 unsigned int headers_count;
393};
394
395/**
396 * struct devlink_resource_size_params - resource's size parameters
397 * @size_min: minimum size which can be set
398 * @size_max: maximum size which can be set
399 * @size_granularity: size granularity
400 * @unit: resource's basic unit
401 */
402struct devlink_resource_size_params {
403 u64 size_min;
404 u64 size_max;
405 u64 size_granularity;
406 enum devlink_resource_unit unit;
407};
408
409static inline void
410devlink_resource_size_params_init(struct devlink_resource_size_params *size_params,
411 u64 size_min, u64 size_max,
412 u64 size_granularity,
413 enum devlink_resource_unit unit)
414{
415 size_params->size_min = size_min;
416 size_params->size_max = size_max;
417 size_params->size_granularity = size_granularity;
418 size_params->unit = unit;
419}
420
421typedef u64 devlink_resource_occ_get_t(void *priv);
422
423#define DEVLINK_RESOURCE_ID_PARENT_TOP 0
424
425#define DEVLINK_RESOURCE_GENERIC_NAME_PORTS "physical_ports"
426
427#define __DEVLINK_PARAM_MAX_STRING_VALUE 32
428enum devlink_param_type {
429 DEVLINK_PARAM_TYPE_U8 = DEVLINK_VAR_ATTR_TYPE_U8,
430 DEVLINK_PARAM_TYPE_U16 = DEVLINK_VAR_ATTR_TYPE_U16,
431 DEVLINK_PARAM_TYPE_U32 = DEVLINK_VAR_ATTR_TYPE_U32,
432 DEVLINK_PARAM_TYPE_U64 = DEVLINK_VAR_ATTR_TYPE_U64,
433 DEVLINK_PARAM_TYPE_STRING = DEVLINK_VAR_ATTR_TYPE_STRING,
434 DEVLINK_PARAM_TYPE_BOOL = DEVLINK_VAR_ATTR_TYPE_FLAG,
435};
436
437union devlink_param_value {
438 u8 vu8;
439 u16 vu16;
440 u32 vu32;
441 u64 vu64;
442 char vstr[__DEVLINK_PARAM_MAX_STRING_VALUE];
443 bool vbool;
444};
445
446struct devlink_param_gset_ctx {
447 union devlink_param_value val;
448 enum devlink_param_cmode cmode;
449};
450
451/**
452 * struct devlink_flash_notify - devlink dev flash notify data
453 * @status_msg: current status string
454 * @component: firmware component being updated
455 * @done: amount of work completed of total amount
456 * @total: amount of work expected to be done
457 * @timeout: expected max timeout in seconds
458 *
459 * These are values to be given to userland to be displayed in order
460 * to show current activity in a firmware update process.
461 */
462struct devlink_flash_notify {
463 const char *status_msg;
464 const char *component;
465 unsigned long done;
466 unsigned long total;
467 unsigned long timeout;
468};
469
470/**
471 * struct devlink_param - devlink configuration parameter data
472 * @id: devlink parameter id number
473 * @name: name of the parameter
474 * @generic: indicates if the parameter is generic or driver specific
475 * @type: parameter type
476 * @supported_cmodes: bitmap of supported configuration modes
477 * @get: get parameter value, used for runtime and permanent
478 * configuration modes
479 * @set: set parameter value, used for runtime and permanent
480 * configuration modes
481 * @validate: validate input value is applicable (within value range, etc.)
482 *
483 * This struct should be used by the driver to fill the data for
484 * a parameter it registers.
485 */
486struct devlink_param {
487 u32 id;
488 const char *name;
489 bool generic;
490 enum devlink_param_type type;
491 unsigned long supported_cmodes;
492 int (*get)(struct devlink *devlink, u32 id,
493 struct devlink_param_gset_ctx *ctx);
494 int (*set)(struct devlink *devlink, u32 id,
495 struct devlink_param_gset_ctx *ctx,
496 struct netlink_ext_ack *extack);
497 int (*validate)(struct devlink *devlink, u32 id,
498 union devlink_param_value val,
499 struct netlink_ext_ack *extack);
500};
501
502struct devlink_param_item {
503 struct list_head list;
504 const struct devlink_param *param;
505 union devlink_param_value driverinit_value;
506 bool driverinit_value_valid;
507 union devlink_param_value driverinit_value_new; /* Not reachable
508 * until reload.
509 */
510 bool driverinit_value_new_valid;
511};
512
513enum devlink_param_generic_id {
514 DEVLINK_PARAM_GENERIC_ID_INT_ERR_RESET,
515 DEVLINK_PARAM_GENERIC_ID_MAX_MACS,
516 DEVLINK_PARAM_GENERIC_ID_ENABLE_SRIOV,
517 DEVLINK_PARAM_GENERIC_ID_REGION_SNAPSHOT,
518 DEVLINK_PARAM_GENERIC_ID_IGNORE_ARI,
519 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX,
520 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN,
521 DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY,
522 DEVLINK_PARAM_GENERIC_ID_RESET_DEV_ON_DRV_PROBE,
523 DEVLINK_PARAM_GENERIC_ID_ENABLE_ROCE,
524 DEVLINK_PARAM_GENERIC_ID_ENABLE_REMOTE_DEV_RESET,
525 DEVLINK_PARAM_GENERIC_ID_ENABLE_ETH,
526 DEVLINK_PARAM_GENERIC_ID_ENABLE_RDMA,
527 DEVLINK_PARAM_GENERIC_ID_ENABLE_VNET,
528 DEVLINK_PARAM_GENERIC_ID_ENABLE_IWARP,
529 DEVLINK_PARAM_GENERIC_ID_IO_EQ_SIZE,
530 DEVLINK_PARAM_GENERIC_ID_EVENT_EQ_SIZE,
531 DEVLINK_PARAM_GENERIC_ID_ENABLE_PHC,
532 DEVLINK_PARAM_GENERIC_ID_CLOCK_ID,
533 DEVLINK_PARAM_GENERIC_ID_TOTAL_VFS,
534 DEVLINK_PARAM_GENERIC_ID_NUM_DOORBELLS,
535
536 /* add new param generic ids above here*/
537 __DEVLINK_PARAM_GENERIC_ID_MAX,
538 DEVLINK_PARAM_GENERIC_ID_MAX = __DEVLINK_PARAM_GENERIC_ID_MAX - 1,
539};
540
541#define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_NAME "internal_error_reset"
542#define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL
543
544#define DEVLINK_PARAM_GENERIC_MAX_MACS_NAME "max_macs"
545#define DEVLINK_PARAM_GENERIC_MAX_MACS_TYPE DEVLINK_PARAM_TYPE_U32
546
547#define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_NAME "enable_sriov"
548#define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_TYPE DEVLINK_PARAM_TYPE_BOOL
549
550#define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_NAME "region_snapshot_enable"
551#define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_TYPE DEVLINK_PARAM_TYPE_BOOL
552
553#define DEVLINK_PARAM_GENERIC_IGNORE_ARI_NAME "ignore_ari"
554#define DEVLINK_PARAM_GENERIC_IGNORE_ARI_TYPE DEVLINK_PARAM_TYPE_BOOL
555
556#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_NAME "msix_vec_per_pf_max"
557#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_TYPE DEVLINK_PARAM_TYPE_U32
558
559#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_NAME "msix_vec_per_pf_min"
560#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_TYPE DEVLINK_PARAM_TYPE_U32
561
562#define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_NAME "fw_load_policy"
563#define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_TYPE DEVLINK_PARAM_TYPE_U8
564
565#define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_NAME \
566 "reset_dev_on_drv_probe"
567#define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_TYPE DEVLINK_PARAM_TYPE_U8
568
569#define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_NAME "enable_roce"
570#define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_TYPE DEVLINK_PARAM_TYPE_BOOL
571
572#define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_NAME "enable_remote_dev_reset"
573#define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL
574
575#define DEVLINK_PARAM_GENERIC_ENABLE_ETH_NAME "enable_eth"
576#define DEVLINK_PARAM_GENERIC_ENABLE_ETH_TYPE DEVLINK_PARAM_TYPE_BOOL
577
578#define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_NAME "enable_rdma"
579#define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_TYPE DEVLINK_PARAM_TYPE_BOOL
580
581#define DEVLINK_PARAM_GENERIC_ENABLE_VNET_NAME "enable_vnet"
582#define DEVLINK_PARAM_GENERIC_ENABLE_VNET_TYPE DEVLINK_PARAM_TYPE_BOOL
583
584#define DEVLINK_PARAM_GENERIC_ENABLE_IWARP_NAME "enable_iwarp"
585#define DEVLINK_PARAM_GENERIC_ENABLE_IWARP_TYPE DEVLINK_PARAM_TYPE_BOOL
586
587#define DEVLINK_PARAM_GENERIC_IO_EQ_SIZE_NAME "io_eq_size"
588#define DEVLINK_PARAM_GENERIC_IO_EQ_SIZE_TYPE DEVLINK_PARAM_TYPE_U32
589
590#define DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_NAME "event_eq_size"
591#define DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_TYPE DEVLINK_PARAM_TYPE_U32
592
593#define DEVLINK_PARAM_GENERIC_ENABLE_PHC_NAME "enable_phc"
594#define DEVLINK_PARAM_GENERIC_ENABLE_PHC_TYPE DEVLINK_PARAM_TYPE_BOOL
595
596#define DEVLINK_PARAM_GENERIC_CLOCK_ID_NAME "clock_id"
597#define DEVLINK_PARAM_GENERIC_CLOCK_ID_TYPE DEVLINK_PARAM_TYPE_U64
598
599#define DEVLINK_PARAM_GENERIC_TOTAL_VFS_NAME "total_vfs"
600#define DEVLINK_PARAM_GENERIC_TOTAL_VFS_TYPE DEVLINK_PARAM_TYPE_U32
601
602#define DEVLINK_PARAM_GENERIC_NUM_DOORBELLS_NAME "num_doorbells"
603#define DEVLINK_PARAM_GENERIC_NUM_DOORBELLS_TYPE DEVLINK_PARAM_TYPE_U32
604
605#define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate) \
606{ \
607 .id = DEVLINK_PARAM_GENERIC_ID_##_id, \
608 .name = DEVLINK_PARAM_GENERIC_##_id##_NAME, \
609 .type = DEVLINK_PARAM_GENERIC_##_id##_TYPE, \
610 .generic = true, \
611 .supported_cmodes = _cmodes, \
612 .get = _get, \
613 .set = _set, \
614 .validate = _validate, \
615}
616
617#define DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, _get, _set, _validate) \
618{ \
619 .id = _id, \
620 .name = _name, \
621 .type = _type, \
622 .supported_cmodes = _cmodes, \
623 .get = _get, \
624 .set = _set, \
625 .validate = _validate, \
626}
627
628/* Identifier of board design */
629#define DEVLINK_INFO_VERSION_GENERIC_BOARD_ID "board.id"
630/* Revision of board design */
631#define DEVLINK_INFO_VERSION_GENERIC_BOARD_REV "board.rev"
632/* Maker of the board */
633#define DEVLINK_INFO_VERSION_GENERIC_BOARD_MANUFACTURE "board.manufacture"
634/* Part number of the board and its components */
635#define DEVLINK_INFO_VERSION_GENERIC_BOARD_PART_NUMBER "board.part_number"
636
637/* Part number, identifier of asic design */
638#define DEVLINK_INFO_VERSION_GENERIC_ASIC_ID "asic.id"
639/* Revision of asic design */
640#define DEVLINK_INFO_VERSION_GENERIC_ASIC_REV "asic.rev"
641
642/* Overall FW version */
643#define DEVLINK_INFO_VERSION_GENERIC_FW "fw"
644/* Control processor FW version */
645#define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT "fw.mgmt"
646/* FW interface specification version */
647#define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT_API "fw.mgmt.api"
648/* Data path microcode controlling high-speed packet processing */
649#define DEVLINK_INFO_VERSION_GENERIC_FW_APP "fw.app"
650/* UNDI software version */
651#define DEVLINK_INFO_VERSION_GENERIC_FW_UNDI "fw.undi"
652/* NCSI support/handler version */
653#define DEVLINK_INFO_VERSION_GENERIC_FW_NCSI "fw.ncsi"
654/* FW parameter set id */
655#define DEVLINK_INFO_VERSION_GENERIC_FW_PSID "fw.psid"
656/* RoCE FW version */
657#define DEVLINK_INFO_VERSION_GENERIC_FW_ROCE "fw.roce"
658/* Firmware bundle identifier */
659#define DEVLINK_INFO_VERSION_GENERIC_FW_BUNDLE_ID "fw.bundle_id"
660/* Bootloader */
661#define DEVLINK_INFO_VERSION_GENERIC_FW_BOOTLOADER "fw.bootloader"
662
663/**
664 * struct devlink_flash_update_params - Flash Update parameters
665 * @fw: pointer to the firmware data to update from
666 * @component: the flash component to update
667 * @overwrite_mask: which types of flash update are supported (may be %0)
668 *
669 * With the exception of fw, drivers must opt-in to parameters by
670 * setting the appropriate bit in the supported_flash_update_params field in
671 * their devlink_ops structure.
672 */
673struct devlink_flash_update_params {
674 const struct firmware *fw;
675 const char *component;
676 u32 overwrite_mask;
677};
678
679#define DEVLINK_SUPPORT_FLASH_UPDATE_OVERWRITE_MASK BIT(0)
680
681struct devlink_region;
682struct devlink_info_req;
683
684/**
685 * struct devlink_region_ops - Region operations
686 * @name: region name
687 * @destructor: callback used to free snapshot memory when deleting
688 * @snapshot: callback to request an immediate snapshot. On success,
689 * the data variable must be updated to point to the snapshot data.
690 * The function will be called while the devlink instance lock is
691 * held.
692 * @read: callback to directly read a portion of the region. On success,
693 * the data pointer will be updated with the contents of the
694 * requested portion of the region. The function will be called
695 * while the devlink instance lock is held.
696 * @priv: Pointer to driver private data for the region operation
697 */
698struct devlink_region_ops {
699 const char *name;
700 void (*destructor)(const void *data);
701 int (*snapshot)(struct devlink *devlink,
702 const struct devlink_region_ops *ops,
703 struct netlink_ext_ack *extack,
704 u8 **data);
705 int (*read)(struct devlink *devlink,
706 const struct devlink_region_ops *ops,
707 struct netlink_ext_ack *extack,
708 u64 offset, u32 size, u8 *data);
709 void *priv;
710};
711
712/**
713 * struct devlink_port_region_ops - Region operations for a port
714 * @name: region name
715 * @destructor: callback used to free snapshot memory when deleting
716 * @snapshot: callback to request an immediate snapshot. On success,
717 * the data variable must be updated to point to the snapshot data.
718 * The function will be called while the devlink instance lock is
719 * held.
720 * @read: callback to directly read a portion of the region. On success,
721 * the data pointer will be updated with the contents of the
722 * requested portion of the region. The function will be called
723 * while the devlink instance lock is held.
724 * @priv: Pointer to driver private data for the region operation
725 */
726struct devlink_port_region_ops {
727 const char *name;
728 void (*destructor)(const void *data);
729 int (*snapshot)(struct devlink_port *port,
730 const struct devlink_port_region_ops *ops,
731 struct netlink_ext_ack *extack,
732 u8 **data);
733 int (*read)(struct devlink_port *port,
734 const struct devlink_port_region_ops *ops,
735 struct netlink_ext_ack *extack,
736 u64 offset, u32 size, u8 *data);
737 void *priv;
738};
739
740struct devlink_fmsg;
741struct devlink_health_reporter;
742
743enum devlink_health_reporter_state {
744 DEVLINK_HEALTH_REPORTER_STATE_HEALTHY,
745 DEVLINK_HEALTH_REPORTER_STATE_ERROR,
746};
747
748/**
749 * struct devlink_health_reporter_ops - Reporter operations
750 * @name: reporter name
751 * @recover: callback to recover from reported error
752 * if priv_ctx is NULL, run a full recover
753 * @dump: callback to dump an object
754 * if priv_ctx is NULL, run a full dump
755 * @diagnose: callback to diagnose the current status
756 * @test: callback to trigger a test event
757 * @default_graceful_period: default min time (in msec)
758 * between recovery attempts
759 * @default_burst_period: default time (in msec) for
760 * error recoveries before starting the grace period
761 */
762
763struct devlink_health_reporter_ops {
764 char *name;
765 int (*recover)(struct devlink_health_reporter *reporter,
766 void *priv_ctx, struct netlink_ext_ack *extack);
767 int (*dump)(struct devlink_health_reporter *reporter,
768 struct devlink_fmsg *fmsg, void *priv_ctx,
769 struct netlink_ext_ack *extack);
770 int (*diagnose)(struct devlink_health_reporter *reporter,
771 struct devlink_fmsg *fmsg,
772 struct netlink_ext_ack *extack);
773 int (*test)(struct devlink_health_reporter *reporter,
774 struct netlink_ext_ack *extack);
775 u64 default_graceful_period;
776 u64 default_burst_period;
777};
778
779/**
780 * struct devlink_trap_metadata - Packet trap metadata.
781 * @trap_name: Trap name.
782 * @trap_group_name: Trap group name.
783 * @input_dev: Input netdevice.
784 * @dev_tracker: refcount tracker for @input_dev.
785 * @fa_cookie: Flow action user cookie.
786 * @trap_type: Trap type.
787 */
788struct devlink_trap_metadata {
789 const char *trap_name;
790 const char *trap_group_name;
791
792 struct net_device *input_dev;
793 netdevice_tracker dev_tracker;
794
795 const struct flow_action_cookie *fa_cookie;
796 enum devlink_trap_type trap_type;
797};
798
799/**
800 * struct devlink_trap_policer - Immutable packet trap policer attributes.
801 * @id: Policer identifier.
802 * @init_rate: Initial rate in packets / sec.
803 * @init_burst: Initial burst size in packets.
804 * @max_rate: Maximum rate.
805 * @min_rate: Minimum rate.
806 * @max_burst: Maximum burst size.
807 * @min_burst: Minimum burst size.
808 *
809 * Describes immutable attributes of packet trap policers that drivers register
810 * with devlink.
811 */
812struct devlink_trap_policer {
813 u32 id;
814 u64 init_rate;
815 u64 init_burst;
816 u64 max_rate;
817 u64 min_rate;
818 u64 max_burst;
819 u64 min_burst;
820};
821
822/**
823 * struct devlink_trap_group - Immutable packet trap group attributes.
824 * @name: Trap group name.
825 * @id: Trap group identifier.
826 * @generic: Whether the trap group is generic or not.
827 * @init_policer_id: Initial policer identifier.
828 *
829 * Describes immutable attributes of packet trap groups that drivers register
830 * with devlink.
831 */
832struct devlink_trap_group {
833 const char *name;
834 u16 id;
835 bool generic;
836 u32 init_policer_id;
837};
838
839#define DEVLINK_TRAP_METADATA_TYPE_F_IN_PORT BIT(0)
840#define DEVLINK_TRAP_METADATA_TYPE_F_FA_COOKIE BIT(1)
841
842/**
843 * struct devlink_trap - Immutable packet trap attributes.
844 * @type: Trap type.
845 * @init_action: Initial trap action.
846 * @generic: Whether the trap is generic or not.
847 * @id: Trap identifier.
848 * @name: Trap name.
849 * @init_group_id: Initial group identifier.
850 * @metadata_cap: Metadata types that can be provided by the trap.
851 *
852 * Describes immutable attributes of packet traps that drivers register with
853 * devlink.
854 */
855struct devlink_trap {
856 enum devlink_trap_type type;
857 enum devlink_trap_action init_action;
858 bool generic;
859 u16 id;
860 const char *name;
861 u16 init_group_id;
862 u32 metadata_cap;
863};
864
865/* All traps must be documented in
866 * Documentation/networking/devlink/devlink-trap.rst
867 */
868enum devlink_trap_generic_id {
869 DEVLINK_TRAP_GENERIC_ID_SMAC_MC,
870 DEVLINK_TRAP_GENERIC_ID_VLAN_TAG_MISMATCH,
871 DEVLINK_TRAP_GENERIC_ID_INGRESS_VLAN_FILTER,
872 DEVLINK_TRAP_GENERIC_ID_INGRESS_STP_FILTER,
873 DEVLINK_TRAP_GENERIC_ID_EMPTY_TX_LIST,
874 DEVLINK_TRAP_GENERIC_ID_PORT_LOOPBACK_FILTER,
875 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_ROUTE,
876 DEVLINK_TRAP_GENERIC_ID_TTL_ERROR,
877 DEVLINK_TRAP_GENERIC_ID_TAIL_DROP,
878 DEVLINK_TRAP_GENERIC_ID_NON_IP_PACKET,
879 DEVLINK_TRAP_GENERIC_ID_UC_DIP_MC_DMAC,
880 DEVLINK_TRAP_GENERIC_ID_DIP_LB,
881 DEVLINK_TRAP_GENERIC_ID_SIP_MC,
882 DEVLINK_TRAP_GENERIC_ID_SIP_LB,
883 DEVLINK_TRAP_GENERIC_ID_CORRUPTED_IP_HDR,
884 DEVLINK_TRAP_GENERIC_ID_IPV4_SIP_BC,
885 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_RESERVED_SCOPE,
886 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE,
887 DEVLINK_TRAP_GENERIC_ID_MTU_ERROR,
888 DEVLINK_TRAP_GENERIC_ID_UNRESOLVED_NEIGH,
889 DEVLINK_TRAP_GENERIC_ID_RPF,
890 DEVLINK_TRAP_GENERIC_ID_REJECT_ROUTE,
891 DEVLINK_TRAP_GENERIC_ID_IPV4_LPM_UNICAST_MISS,
892 DEVLINK_TRAP_GENERIC_ID_IPV6_LPM_UNICAST_MISS,
893 DEVLINK_TRAP_GENERIC_ID_NON_ROUTABLE,
894 DEVLINK_TRAP_GENERIC_ID_DECAP_ERROR,
895 DEVLINK_TRAP_GENERIC_ID_OVERLAY_SMAC_MC,
896 DEVLINK_TRAP_GENERIC_ID_INGRESS_FLOW_ACTION_DROP,
897 DEVLINK_TRAP_GENERIC_ID_EGRESS_FLOW_ACTION_DROP,
898 DEVLINK_TRAP_GENERIC_ID_STP,
899 DEVLINK_TRAP_GENERIC_ID_LACP,
900 DEVLINK_TRAP_GENERIC_ID_LLDP,
901 DEVLINK_TRAP_GENERIC_ID_IGMP_QUERY,
902 DEVLINK_TRAP_GENERIC_ID_IGMP_V1_REPORT,
903 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_REPORT,
904 DEVLINK_TRAP_GENERIC_ID_IGMP_V3_REPORT,
905 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_LEAVE,
906 DEVLINK_TRAP_GENERIC_ID_MLD_QUERY,
907 DEVLINK_TRAP_GENERIC_ID_MLD_V1_REPORT,
908 DEVLINK_TRAP_GENERIC_ID_MLD_V2_REPORT,
909 DEVLINK_TRAP_GENERIC_ID_MLD_V1_DONE,
910 DEVLINK_TRAP_GENERIC_ID_IPV4_DHCP,
911 DEVLINK_TRAP_GENERIC_ID_IPV6_DHCP,
912 DEVLINK_TRAP_GENERIC_ID_ARP_REQUEST,
913 DEVLINK_TRAP_GENERIC_ID_ARP_RESPONSE,
914 DEVLINK_TRAP_GENERIC_ID_ARP_OVERLAY,
915 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_SOLICIT,
916 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_ADVERT,
917 DEVLINK_TRAP_GENERIC_ID_IPV4_BFD,
918 DEVLINK_TRAP_GENERIC_ID_IPV6_BFD,
919 DEVLINK_TRAP_GENERIC_ID_IPV4_OSPF,
920 DEVLINK_TRAP_GENERIC_ID_IPV6_OSPF,
921 DEVLINK_TRAP_GENERIC_ID_IPV4_BGP,
922 DEVLINK_TRAP_GENERIC_ID_IPV6_BGP,
923 DEVLINK_TRAP_GENERIC_ID_IPV4_VRRP,
924 DEVLINK_TRAP_GENERIC_ID_IPV6_VRRP,
925 DEVLINK_TRAP_GENERIC_ID_IPV4_PIM,
926 DEVLINK_TRAP_GENERIC_ID_IPV6_PIM,
927 DEVLINK_TRAP_GENERIC_ID_UC_LB,
928 DEVLINK_TRAP_GENERIC_ID_LOCAL_ROUTE,
929 DEVLINK_TRAP_GENERIC_ID_EXTERNAL_ROUTE,
930 DEVLINK_TRAP_GENERIC_ID_IPV6_UC_DIP_LINK_LOCAL_SCOPE,
931 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_NODES,
932 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_ROUTERS,
933 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_SOLICIT,
934 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ADVERT,
935 DEVLINK_TRAP_GENERIC_ID_IPV6_REDIRECT,
936 DEVLINK_TRAP_GENERIC_ID_IPV4_ROUTER_ALERT,
937 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ALERT,
938 DEVLINK_TRAP_GENERIC_ID_PTP_EVENT,
939 DEVLINK_TRAP_GENERIC_ID_PTP_GENERAL,
940 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_SAMPLE,
941 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_TRAP,
942 DEVLINK_TRAP_GENERIC_ID_EARLY_DROP,
943 DEVLINK_TRAP_GENERIC_ID_VXLAN_PARSING,
944 DEVLINK_TRAP_GENERIC_ID_LLC_SNAP_PARSING,
945 DEVLINK_TRAP_GENERIC_ID_VLAN_PARSING,
946 DEVLINK_TRAP_GENERIC_ID_PPPOE_PPP_PARSING,
947 DEVLINK_TRAP_GENERIC_ID_MPLS_PARSING,
948 DEVLINK_TRAP_GENERIC_ID_ARP_PARSING,
949 DEVLINK_TRAP_GENERIC_ID_IP_1_PARSING,
950 DEVLINK_TRAP_GENERIC_ID_IP_N_PARSING,
951 DEVLINK_TRAP_GENERIC_ID_GRE_PARSING,
952 DEVLINK_TRAP_GENERIC_ID_UDP_PARSING,
953 DEVLINK_TRAP_GENERIC_ID_TCP_PARSING,
954 DEVLINK_TRAP_GENERIC_ID_IPSEC_PARSING,
955 DEVLINK_TRAP_GENERIC_ID_SCTP_PARSING,
956 DEVLINK_TRAP_GENERIC_ID_DCCP_PARSING,
957 DEVLINK_TRAP_GENERIC_ID_GTP_PARSING,
958 DEVLINK_TRAP_GENERIC_ID_ESP_PARSING,
959 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_NEXTHOP,
960 DEVLINK_TRAP_GENERIC_ID_DMAC_FILTER,
961 DEVLINK_TRAP_GENERIC_ID_EAPOL,
962 DEVLINK_TRAP_GENERIC_ID_LOCKED_PORT,
963
964 /* Add new generic trap IDs above */
965 __DEVLINK_TRAP_GENERIC_ID_MAX,
966 DEVLINK_TRAP_GENERIC_ID_MAX = __DEVLINK_TRAP_GENERIC_ID_MAX - 1,
967};
968
969/* All trap groups must be documented in
970 * Documentation/networking/devlink/devlink-trap.rst
971 */
972enum devlink_trap_group_generic_id {
973 DEVLINK_TRAP_GROUP_GENERIC_ID_L2_DROPS,
974 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_DROPS,
975 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_EXCEPTIONS,
976 DEVLINK_TRAP_GROUP_GENERIC_ID_BUFFER_DROPS,
977 DEVLINK_TRAP_GROUP_GENERIC_ID_TUNNEL_DROPS,
978 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_DROPS,
979 DEVLINK_TRAP_GROUP_GENERIC_ID_STP,
980 DEVLINK_TRAP_GROUP_GENERIC_ID_LACP,
981 DEVLINK_TRAP_GROUP_GENERIC_ID_LLDP,
982 DEVLINK_TRAP_GROUP_GENERIC_ID_MC_SNOOPING,
983 DEVLINK_TRAP_GROUP_GENERIC_ID_DHCP,
984 DEVLINK_TRAP_GROUP_GENERIC_ID_NEIGH_DISCOVERY,
985 DEVLINK_TRAP_GROUP_GENERIC_ID_BFD,
986 DEVLINK_TRAP_GROUP_GENERIC_ID_OSPF,
987 DEVLINK_TRAP_GROUP_GENERIC_ID_BGP,
988 DEVLINK_TRAP_GROUP_GENERIC_ID_VRRP,
989 DEVLINK_TRAP_GROUP_GENERIC_ID_PIM,
990 DEVLINK_TRAP_GROUP_GENERIC_ID_UC_LB,
991 DEVLINK_TRAP_GROUP_GENERIC_ID_LOCAL_DELIVERY,
992 DEVLINK_TRAP_GROUP_GENERIC_ID_EXTERNAL_DELIVERY,
993 DEVLINK_TRAP_GROUP_GENERIC_ID_IPV6,
994 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_EVENT,
995 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_GENERAL,
996 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_SAMPLE,
997 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_TRAP,
998 DEVLINK_TRAP_GROUP_GENERIC_ID_PARSER_ERROR_DROPS,
999 DEVLINK_TRAP_GROUP_GENERIC_ID_EAPOL,
1000
1001 /* Add new generic trap group IDs above */
1002 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX,
1003 DEVLINK_TRAP_GROUP_GENERIC_ID_MAX =
1004 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX - 1,
1005};
1006
1007#define DEVLINK_TRAP_GENERIC_NAME_SMAC_MC \
1008 "source_mac_is_multicast"
1009#define DEVLINK_TRAP_GENERIC_NAME_VLAN_TAG_MISMATCH \
1010 "vlan_tag_mismatch"
1011#define DEVLINK_TRAP_GENERIC_NAME_INGRESS_VLAN_FILTER \
1012 "ingress_vlan_filter"
1013#define DEVLINK_TRAP_GENERIC_NAME_INGRESS_STP_FILTER \
1014 "ingress_spanning_tree_filter"
1015#define DEVLINK_TRAP_GENERIC_NAME_EMPTY_TX_LIST \
1016 "port_list_is_empty"
1017#define DEVLINK_TRAP_GENERIC_NAME_PORT_LOOPBACK_FILTER \
1018 "port_loopback_filter"
1019#define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_ROUTE \
1020 "blackhole_route"
1021#define DEVLINK_TRAP_GENERIC_NAME_TTL_ERROR \
1022 "ttl_value_is_too_small"
1023#define DEVLINK_TRAP_GENERIC_NAME_TAIL_DROP \
1024 "tail_drop"
1025#define DEVLINK_TRAP_GENERIC_NAME_NON_IP_PACKET \
1026 "non_ip"
1027#define DEVLINK_TRAP_GENERIC_NAME_UC_DIP_MC_DMAC \
1028 "uc_dip_over_mc_dmac"
1029#define DEVLINK_TRAP_GENERIC_NAME_DIP_LB \
1030 "dip_is_loopback_address"
1031#define DEVLINK_TRAP_GENERIC_NAME_SIP_MC \
1032 "sip_is_mc"
1033#define DEVLINK_TRAP_GENERIC_NAME_SIP_LB \
1034 "sip_is_loopback_address"
1035#define DEVLINK_TRAP_GENERIC_NAME_CORRUPTED_IP_HDR \
1036 "ip_header_corrupted"
1037#define DEVLINK_TRAP_GENERIC_NAME_IPV4_SIP_BC \
1038 "ipv4_sip_is_limited_bc"
1039#define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_RESERVED_SCOPE \
1040 "ipv6_mc_dip_reserved_scope"
1041#define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE \
1042 "ipv6_mc_dip_interface_local_scope"
1043#define DEVLINK_TRAP_GENERIC_NAME_MTU_ERROR \
1044 "mtu_value_is_too_small"
1045#define DEVLINK_TRAP_GENERIC_NAME_UNRESOLVED_NEIGH \
1046 "unresolved_neigh"
1047#define DEVLINK_TRAP_GENERIC_NAME_RPF \
1048 "mc_reverse_path_forwarding"
1049#define DEVLINK_TRAP_GENERIC_NAME_REJECT_ROUTE \
1050 "reject_route"
1051#define DEVLINK_TRAP_GENERIC_NAME_IPV4_LPM_UNICAST_MISS \
1052 "ipv4_lpm_miss"
1053#define DEVLINK_TRAP_GENERIC_NAME_IPV6_LPM_UNICAST_MISS \
1054 "ipv6_lpm_miss"
1055#define DEVLINK_TRAP_GENERIC_NAME_NON_ROUTABLE \
1056 "non_routable_packet"
1057#define DEVLINK_TRAP_GENERIC_NAME_DECAP_ERROR \
1058 "decap_error"
1059#define DEVLINK_TRAP_GENERIC_NAME_OVERLAY_SMAC_MC \
1060 "overlay_smac_is_mc"
1061#define DEVLINK_TRAP_GENERIC_NAME_INGRESS_FLOW_ACTION_DROP \
1062 "ingress_flow_action_drop"
1063#define DEVLINK_TRAP_GENERIC_NAME_EGRESS_FLOW_ACTION_DROP \
1064 "egress_flow_action_drop"
1065#define DEVLINK_TRAP_GENERIC_NAME_STP \
1066 "stp"
1067#define DEVLINK_TRAP_GENERIC_NAME_LACP \
1068 "lacp"
1069#define DEVLINK_TRAP_GENERIC_NAME_LLDP \
1070 "lldp"
1071#define DEVLINK_TRAP_GENERIC_NAME_IGMP_QUERY \
1072 "igmp_query"
1073#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V1_REPORT \
1074 "igmp_v1_report"
1075#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_REPORT \
1076 "igmp_v2_report"
1077#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V3_REPORT \
1078 "igmp_v3_report"
1079#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_LEAVE \
1080 "igmp_v2_leave"
1081#define DEVLINK_TRAP_GENERIC_NAME_MLD_QUERY \
1082 "mld_query"
1083#define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_REPORT \
1084 "mld_v1_report"
1085#define DEVLINK_TRAP_GENERIC_NAME_MLD_V2_REPORT \
1086 "mld_v2_report"
1087#define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_DONE \
1088 "mld_v1_done"
1089#define DEVLINK_TRAP_GENERIC_NAME_IPV4_DHCP \
1090 "ipv4_dhcp"
1091#define DEVLINK_TRAP_GENERIC_NAME_IPV6_DHCP \
1092 "ipv6_dhcp"
1093#define DEVLINK_TRAP_GENERIC_NAME_ARP_REQUEST \
1094 "arp_request"
1095#define DEVLINK_TRAP_GENERIC_NAME_ARP_RESPONSE \
1096 "arp_response"
1097#define DEVLINK_TRAP_GENERIC_NAME_ARP_OVERLAY \
1098 "arp_overlay"
1099#define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_SOLICIT \
1100 "ipv6_neigh_solicit"
1101#define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_ADVERT \
1102 "ipv6_neigh_advert"
1103#define DEVLINK_TRAP_GENERIC_NAME_IPV4_BFD \
1104 "ipv4_bfd"
1105#define DEVLINK_TRAP_GENERIC_NAME_IPV6_BFD \
1106 "ipv6_bfd"
1107#define DEVLINK_TRAP_GENERIC_NAME_IPV4_OSPF \
1108 "ipv4_ospf"
1109#define DEVLINK_TRAP_GENERIC_NAME_IPV6_OSPF \
1110 "ipv6_ospf"
1111#define DEVLINK_TRAP_GENERIC_NAME_IPV4_BGP \
1112 "ipv4_bgp"
1113#define DEVLINK_TRAP_GENERIC_NAME_IPV6_BGP \
1114 "ipv6_bgp"
1115#define DEVLINK_TRAP_GENERIC_NAME_IPV4_VRRP \
1116 "ipv4_vrrp"
1117#define DEVLINK_TRAP_GENERIC_NAME_IPV6_VRRP \
1118 "ipv6_vrrp"
1119#define DEVLINK_TRAP_GENERIC_NAME_IPV4_PIM \
1120 "ipv4_pim"
1121#define DEVLINK_TRAP_GENERIC_NAME_IPV6_PIM \
1122 "ipv6_pim"
1123#define DEVLINK_TRAP_GENERIC_NAME_UC_LB \
1124 "uc_loopback"
1125#define DEVLINK_TRAP_GENERIC_NAME_LOCAL_ROUTE \
1126 "local_route"
1127#define DEVLINK_TRAP_GENERIC_NAME_EXTERNAL_ROUTE \
1128 "external_route"
1129#define DEVLINK_TRAP_GENERIC_NAME_IPV6_UC_DIP_LINK_LOCAL_SCOPE \
1130 "ipv6_uc_dip_link_local_scope"
1131#define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_NODES \
1132 "ipv6_dip_all_nodes"
1133#define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_ROUTERS \
1134 "ipv6_dip_all_routers"
1135#define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_SOLICIT \
1136 "ipv6_router_solicit"
1137#define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ADVERT \
1138 "ipv6_router_advert"
1139#define DEVLINK_TRAP_GENERIC_NAME_IPV6_REDIRECT \
1140 "ipv6_redirect"
1141#define DEVLINK_TRAP_GENERIC_NAME_IPV4_ROUTER_ALERT \
1142 "ipv4_router_alert"
1143#define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ALERT \
1144 "ipv6_router_alert"
1145#define DEVLINK_TRAP_GENERIC_NAME_PTP_EVENT \
1146 "ptp_event"
1147#define DEVLINK_TRAP_GENERIC_NAME_PTP_GENERAL \
1148 "ptp_general"
1149#define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_SAMPLE \
1150 "flow_action_sample"
1151#define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_TRAP \
1152 "flow_action_trap"
1153#define DEVLINK_TRAP_GENERIC_NAME_EARLY_DROP \
1154 "early_drop"
1155#define DEVLINK_TRAP_GENERIC_NAME_VXLAN_PARSING \
1156 "vxlan_parsing"
1157#define DEVLINK_TRAP_GENERIC_NAME_LLC_SNAP_PARSING \
1158 "llc_snap_parsing"
1159#define DEVLINK_TRAP_GENERIC_NAME_VLAN_PARSING \
1160 "vlan_parsing"
1161#define DEVLINK_TRAP_GENERIC_NAME_PPPOE_PPP_PARSING \
1162 "pppoe_ppp_parsing"
1163#define DEVLINK_TRAP_GENERIC_NAME_MPLS_PARSING \
1164 "mpls_parsing"
1165#define DEVLINK_TRAP_GENERIC_NAME_ARP_PARSING \
1166 "arp_parsing"
1167#define DEVLINK_TRAP_GENERIC_NAME_IP_1_PARSING \
1168 "ip_1_parsing"
1169#define DEVLINK_TRAP_GENERIC_NAME_IP_N_PARSING \
1170 "ip_n_parsing"
1171#define DEVLINK_TRAP_GENERIC_NAME_GRE_PARSING \
1172 "gre_parsing"
1173#define DEVLINK_TRAP_GENERIC_NAME_UDP_PARSING \
1174 "udp_parsing"
1175#define DEVLINK_TRAP_GENERIC_NAME_TCP_PARSING \
1176 "tcp_parsing"
1177#define DEVLINK_TRAP_GENERIC_NAME_IPSEC_PARSING \
1178 "ipsec_parsing"
1179#define DEVLINK_TRAP_GENERIC_NAME_SCTP_PARSING \
1180 "sctp_parsing"
1181#define DEVLINK_TRAP_GENERIC_NAME_DCCP_PARSING \
1182 "dccp_parsing"
1183#define DEVLINK_TRAP_GENERIC_NAME_GTP_PARSING \
1184 "gtp_parsing"
1185#define DEVLINK_TRAP_GENERIC_NAME_ESP_PARSING \
1186 "esp_parsing"
1187#define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_NEXTHOP \
1188 "blackhole_nexthop"
1189#define DEVLINK_TRAP_GENERIC_NAME_DMAC_FILTER \
1190 "dmac_filter"
1191#define DEVLINK_TRAP_GENERIC_NAME_EAPOL \
1192 "eapol"
1193#define DEVLINK_TRAP_GENERIC_NAME_LOCKED_PORT \
1194 "locked_port"
1195
1196#define DEVLINK_TRAP_GROUP_GENERIC_NAME_L2_DROPS \
1197 "l2_drops"
1198#define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_DROPS \
1199 "l3_drops"
1200#define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_EXCEPTIONS \
1201 "l3_exceptions"
1202#define DEVLINK_TRAP_GROUP_GENERIC_NAME_BUFFER_DROPS \
1203 "buffer_drops"
1204#define DEVLINK_TRAP_GROUP_GENERIC_NAME_TUNNEL_DROPS \
1205 "tunnel_drops"
1206#define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_DROPS \
1207 "acl_drops"
1208#define DEVLINK_TRAP_GROUP_GENERIC_NAME_STP \
1209 "stp"
1210#define DEVLINK_TRAP_GROUP_GENERIC_NAME_LACP \
1211 "lacp"
1212#define DEVLINK_TRAP_GROUP_GENERIC_NAME_LLDP \
1213 "lldp"
1214#define DEVLINK_TRAP_GROUP_GENERIC_NAME_MC_SNOOPING \
1215 "mc_snooping"
1216#define DEVLINK_TRAP_GROUP_GENERIC_NAME_DHCP \
1217 "dhcp"
1218#define DEVLINK_TRAP_GROUP_GENERIC_NAME_NEIGH_DISCOVERY \
1219 "neigh_discovery"
1220#define DEVLINK_TRAP_GROUP_GENERIC_NAME_BFD \
1221 "bfd"
1222#define DEVLINK_TRAP_GROUP_GENERIC_NAME_OSPF \
1223 "ospf"
1224#define DEVLINK_TRAP_GROUP_GENERIC_NAME_BGP \
1225 "bgp"
1226#define DEVLINK_TRAP_GROUP_GENERIC_NAME_VRRP \
1227 "vrrp"
1228#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PIM \
1229 "pim"
1230#define DEVLINK_TRAP_GROUP_GENERIC_NAME_UC_LB \
1231 "uc_loopback"
1232#define DEVLINK_TRAP_GROUP_GENERIC_NAME_LOCAL_DELIVERY \
1233 "local_delivery"
1234#define DEVLINK_TRAP_GROUP_GENERIC_NAME_EXTERNAL_DELIVERY \
1235 "external_delivery"
1236#define DEVLINK_TRAP_GROUP_GENERIC_NAME_IPV6 \
1237 "ipv6"
1238#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_EVENT \
1239 "ptp_event"
1240#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_GENERAL \
1241 "ptp_general"
1242#define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_SAMPLE \
1243 "acl_sample"
1244#define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_TRAP \
1245 "acl_trap"
1246#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PARSER_ERROR_DROPS \
1247 "parser_error_drops"
1248#define DEVLINK_TRAP_GROUP_GENERIC_NAME_EAPOL \
1249 "eapol"
1250
1251#define DEVLINK_TRAP_GENERIC(_type, _init_action, _id, _group_id, \
1252 _metadata_cap) \
1253 { \
1254 .type = DEVLINK_TRAP_TYPE_##_type, \
1255 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \
1256 .generic = true, \
1257 .id = DEVLINK_TRAP_GENERIC_ID_##_id, \
1258 .name = DEVLINK_TRAP_GENERIC_NAME_##_id, \
1259 .init_group_id = _group_id, \
1260 .metadata_cap = _metadata_cap, \
1261 }
1262
1263#define DEVLINK_TRAP_DRIVER(_type, _init_action, _id, _name, _group_id, \
1264 _metadata_cap) \
1265 { \
1266 .type = DEVLINK_TRAP_TYPE_##_type, \
1267 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \
1268 .generic = false, \
1269 .id = _id, \
1270 .name = _name, \
1271 .init_group_id = _group_id, \
1272 .metadata_cap = _metadata_cap, \
1273 }
1274
1275#define DEVLINK_TRAP_GROUP_GENERIC(_id, _policer_id) \
1276 { \
1277 .name = DEVLINK_TRAP_GROUP_GENERIC_NAME_##_id, \
1278 .id = DEVLINK_TRAP_GROUP_GENERIC_ID_##_id, \
1279 .generic = true, \
1280 .init_policer_id = _policer_id, \
1281 }
1282
1283#define DEVLINK_TRAP_POLICER(_id, _rate, _burst, _max_rate, _min_rate, \
1284 _max_burst, _min_burst) \
1285 { \
1286 .id = _id, \
1287 .init_rate = _rate, \
1288 .init_burst = _burst, \
1289 .max_rate = _max_rate, \
1290 .min_rate = _min_rate, \
1291 .max_burst = _max_burst, \
1292 .min_burst = _min_burst, \
1293 }
1294
1295#define devlink_fmsg_put(fmsg, name, value) ( \
1296 _Generic((value), \
1297 bool : devlink_fmsg_bool_pair_put, \
1298 u8 : devlink_fmsg_u8_pair_put, \
1299 u16 : devlink_fmsg_u32_pair_put, \
1300 u32 : devlink_fmsg_u32_pair_put, \
1301 u64 : devlink_fmsg_u64_pair_put, \
1302 int : devlink_fmsg_u32_pair_put, \
1303 char * : devlink_fmsg_string_pair_put, \
1304 const char * : devlink_fmsg_string_pair_put) \
1305 (fmsg, name, (value)))
1306
1307enum {
1308 /* device supports reload operations */
1309 DEVLINK_F_RELOAD = 1UL << 0,
1310};
1311
1312struct devlink_ops {
1313 /**
1314 * @supported_flash_update_params:
1315 * mask of parameters supported by the driver's .flash_update
1316 * implementation.
1317 */
1318 u32 supported_flash_update_params;
1319 unsigned long reload_actions;
1320 unsigned long reload_limits;
1321 int (*reload_down)(struct devlink *devlink, bool netns_change,
1322 enum devlink_reload_action action,
1323 enum devlink_reload_limit limit,
1324 struct netlink_ext_ack *extack);
1325 int (*reload_up)(struct devlink *devlink, enum devlink_reload_action action,
1326 enum devlink_reload_limit limit, u32 *actions_performed,
1327 struct netlink_ext_ack *extack);
1328 int (*sb_pool_get)(struct devlink *devlink, unsigned int sb_index,
1329 u16 pool_index,
1330 struct devlink_sb_pool_info *pool_info);
1331 int (*sb_pool_set)(struct devlink *devlink, unsigned int sb_index,
1332 u16 pool_index, u32 size,
1333 enum devlink_sb_threshold_type threshold_type,
1334 struct netlink_ext_ack *extack);
1335 int (*sb_port_pool_get)(struct devlink_port *devlink_port,
1336 unsigned int sb_index, u16 pool_index,
1337 u32 *p_threshold);
1338 int (*sb_port_pool_set)(struct devlink_port *devlink_port,
1339 unsigned int sb_index, u16 pool_index,
1340 u32 threshold, struct netlink_ext_ack *extack);
1341 int (*sb_tc_pool_bind_get)(struct devlink_port *devlink_port,
1342 unsigned int sb_index,
1343 u16 tc_index,
1344 enum devlink_sb_pool_type pool_type,
1345 u16 *p_pool_index, u32 *p_threshold);
1346 int (*sb_tc_pool_bind_set)(struct devlink_port *devlink_port,
1347 unsigned int sb_index,
1348 u16 tc_index,
1349 enum devlink_sb_pool_type pool_type,
1350 u16 pool_index, u32 threshold,
1351 struct netlink_ext_ack *extack);
1352 int (*sb_occ_snapshot)(struct devlink *devlink,
1353 unsigned int sb_index);
1354 int (*sb_occ_max_clear)(struct devlink *devlink,
1355 unsigned int sb_index);
1356 int (*sb_occ_port_pool_get)(struct devlink_port *devlink_port,
1357 unsigned int sb_index, u16 pool_index,
1358 u32 *p_cur, u32 *p_max);
1359 int (*sb_occ_tc_port_bind_get)(struct devlink_port *devlink_port,
1360 unsigned int sb_index,
1361 u16 tc_index,
1362 enum devlink_sb_pool_type pool_type,
1363 u32 *p_cur, u32 *p_max);
1364
1365 int (*eswitch_mode_get)(struct devlink *devlink, u16 *p_mode);
1366 int (*eswitch_mode_set)(struct devlink *devlink, u16 mode,
1367 struct netlink_ext_ack *extack);
1368 int (*eswitch_inline_mode_get)(struct devlink *devlink, u8 *p_inline_mode);
1369 int (*eswitch_inline_mode_set)(struct devlink *devlink, u8 inline_mode,
1370 struct netlink_ext_ack *extack);
1371 int (*eswitch_encap_mode_get)(struct devlink *devlink,
1372 enum devlink_eswitch_encap_mode *p_encap_mode);
1373 int (*eswitch_encap_mode_set)(struct devlink *devlink,
1374 enum devlink_eswitch_encap_mode encap_mode,
1375 struct netlink_ext_ack *extack);
1376 int (*info_get)(struct devlink *devlink, struct devlink_info_req *req,
1377 struct netlink_ext_ack *extack);
1378 /**
1379 * @flash_update: Device flash update function
1380 *
1381 * Used to perform a flash update for the device. The set of
1382 * parameters supported by the driver should be set in
1383 * supported_flash_update_params.
1384 */
1385 int (*flash_update)(struct devlink *devlink,
1386 struct devlink_flash_update_params *params,
1387 struct netlink_ext_ack *extack);
1388 /**
1389 * @trap_init: Trap initialization function.
1390 *
1391 * Should be used by device drivers to initialize the trap in the
1392 * underlying device. Drivers should also store the provided trap
1393 * context, so that they could efficiently pass it to
1394 * devlink_trap_report() when the trap is triggered.
1395 */
1396 int (*trap_init)(struct devlink *devlink,
1397 const struct devlink_trap *trap, void *trap_ctx);
1398 /**
1399 * @trap_fini: Trap de-initialization function.
1400 *
1401 * Should be used by device drivers to de-initialize the trap in the
1402 * underlying device.
1403 */
1404 void (*trap_fini)(struct devlink *devlink,
1405 const struct devlink_trap *trap, void *trap_ctx);
1406 /**
1407 * @trap_action_set: Trap action set function.
1408 */
1409 int (*trap_action_set)(struct devlink *devlink,
1410 const struct devlink_trap *trap,
1411 enum devlink_trap_action action,
1412 struct netlink_ext_ack *extack);
1413 /**
1414 * @trap_group_init: Trap group initialization function.
1415 *
1416 * Should be used by device drivers to initialize the trap group in the
1417 * underlying device.
1418 */
1419 int (*trap_group_init)(struct devlink *devlink,
1420 const struct devlink_trap_group *group);
1421 /**
1422 * @trap_group_set: Trap group parameters set function.
1423 *
1424 * Note: @policer can be NULL when a policer is being unbound from
1425 * @group.
1426 */
1427 int (*trap_group_set)(struct devlink *devlink,
1428 const struct devlink_trap_group *group,
1429 const struct devlink_trap_policer *policer,
1430 struct netlink_ext_ack *extack);
1431 /**
1432 * @trap_group_action_set: Trap group action set function.
1433 *
1434 * If this callback is populated, it will take precedence over looping
1435 * over all traps in a group and calling .trap_action_set().
1436 */
1437 int (*trap_group_action_set)(struct devlink *devlink,
1438 const struct devlink_trap_group *group,
1439 enum devlink_trap_action action,
1440 struct netlink_ext_ack *extack);
1441 /**
1442 * @trap_drop_counter_get: Trap drop counter get function.
1443 *
1444 * Should be used by device drivers to report number of packets
1445 * that have been dropped, and cannot be passed to the devlink
1446 * subsystem by the underlying device.
1447 */
1448 int (*trap_drop_counter_get)(struct devlink *devlink,
1449 const struct devlink_trap *trap,
1450 u64 *p_drops);
1451 /**
1452 * @trap_policer_init: Trap policer initialization function.
1453 *
1454 * Should be used by device drivers to initialize the trap policer in
1455 * the underlying device.
1456 */
1457 int (*trap_policer_init)(struct devlink *devlink,
1458 const struct devlink_trap_policer *policer);
1459 /**
1460 * @trap_policer_fini: Trap policer de-initialization function.
1461 *
1462 * Should be used by device drivers to de-initialize the trap policer
1463 * in the underlying device.
1464 */
1465 void (*trap_policer_fini)(struct devlink *devlink,
1466 const struct devlink_trap_policer *policer);
1467 /**
1468 * @trap_policer_set: Trap policer parameters set function.
1469 */
1470 int (*trap_policer_set)(struct devlink *devlink,
1471 const struct devlink_trap_policer *policer,
1472 u64 rate, u64 burst,
1473 struct netlink_ext_ack *extack);
1474 /**
1475 * @trap_policer_counter_get: Trap policer counter get function.
1476 *
1477 * Should be used by device drivers to report number of packets dropped
1478 * by the policer.
1479 */
1480 int (*trap_policer_counter_get)(struct devlink *devlink,
1481 const struct devlink_trap_policer *policer,
1482 u64 *p_drops);
1483 /**
1484 * port_new() - Add a new port function of a specified flavor
1485 * @devlink: Devlink instance
1486 * @attrs: attributes of the new port
1487 * @extack: extack for reporting error messages
1488 * @devlink_port: pointer to store new devlink port pointer
1489 *
1490 * Devlink core will call this device driver function upon user request
1491 * to create a new port function of a specified flavor and optional
1492 * attributes
1493 *
1494 * Notes:
1495 * - On success, drivers must register a port with devlink core
1496 *
1497 * Return: 0 on success, negative value otherwise.
1498 */
1499 int (*port_new)(struct devlink *devlink,
1500 const struct devlink_port_new_attrs *attrs,
1501 struct netlink_ext_ack *extack,
1502 struct devlink_port **devlink_port);
1503
1504 /**
1505 * Rate control callbacks.
1506 */
1507 int (*rate_leaf_tx_share_set)(struct devlink_rate *devlink_rate, void *priv,
1508 u64 tx_share, struct netlink_ext_ack *extack);
1509 int (*rate_leaf_tx_max_set)(struct devlink_rate *devlink_rate, void *priv,
1510 u64 tx_max, struct netlink_ext_ack *extack);
1511 int (*rate_leaf_tx_priority_set)(struct devlink_rate *devlink_rate, void *priv,
1512 u32 tx_priority, struct netlink_ext_ack *extack);
1513 int (*rate_leaf_tx_weight_set)(struct devlink_rate *devlink_rate, void *priv,
1514 u32 tx_weight, struct netlink_ext_ack *extack);
1515 int (*rate_leaf_tc_bw_set)(struct devlink_rate *devlink_rate,
1516 void *priv, u32 *tc_bw,
1517 struct netlink_ext_ack *extack);
1518 int (*rate_node_tx_share_set)(struct devlink_rate *devlink_rate, void *priv,
1519 u64 tx_share, struct netlink_ext_ack *extack);
1520 int (*rate_node_tx_max_set)(struct devlink_rate *devlink_rate, void *priv,
1521 u64 tx_max, struct netlink_ext_ack *extack);
1522 int (*rate_node_tx_priority_set)(struct devlink_rate *devlink_rate, void *priv,
1523 u32 tx_priority, struct netlink_ext_ack *extack);
1524 int (*rate_node_tx_weight_set)(struct devlink_rate *devlink_rate, void *priv,
1525 u32 tx_weight, struct netlink_ext_ack *extack);
1526 int (*rate_node_tc_bw_set)(struct devlink_rate *devlink_rate,
1527 void *priv, u32 *tc_bw,
1528 struct netlink_ext_ack *extack);
1529 int (*rate_node_new)(struct devlink_rate *rate_node, void **priv,
1530 struct netlink_ext_ack *extack);
1531 int (*rate_node_del)(struct devlink_rate *rate_node, void *priv,
1532 struct netlink_ext_ack *extack);
1533 int (*rate_leaf_parent_set)(struct devlink_rate *child,
1534 struct devlink_rate *parent,
1535 void *priv_child, void *priv_parent,
1536 struct netlink_ext_ack *extack);
1537 int (*rate_node_parent_set)(struct devlink_rate *child,
1538 struct devlink_rate *parent,
1539 void *priv_child, void *priv_parent,
1540 struct netlink_ext_ack *extack);
1541 /**
1542 * selftests_check() - queries if selftest is supported
1543 * @devlink: devlink instance
1544 * @id: test index
1545 * @extack: extack for reporting error messages
1546 *
1547 * Return: true if test is supported by the driver
1548 */
1549 bool (*selftest_check)(struct devlink *devlink, unsigned int id,
1550 struct netlink_ext_ack *extack);
1551 /**
1552 * selftest_run() - Runs a selftest
1553 * @devlink: devlink instance
1554 * @id: test index
1555 * @extack: extack for reporting error messages
1556 *
1557 * Return: status of the test
1558 */
1559 enum devlink_selftest_status
1560 (*selftest_run)(struct devlink *devlink, unsigned int id,
1561 struct netlink_ext_ack *extack);
1562};
1563
1564void *devlink_priv(struct devlink *devlink);
1565struct devlink *priv_to_devlink(void *priv);
1566struct device *devlink_to_dev(const struct devlink *devlink);
1567
1568/* Devlink instance explicit locking */
1569void devl_lock(struct devlink *devlink);
1570int devl_trylock(struct devlink *devlink);
1571void devl_unlock(struct devlink *devlink);
1572void devl_assert_locked(struct devlink *devlink);
1573bool devl_lock_is_held(struct devlink *devlink);
1574DEFINE_GUARD(devl, struct devlink *, devl_lock(_T), devl_unlock(_T));
1575
1576struct ib_device;
1577
1578struct net *devlink_net(const struct devlink *devlink);
1579/* This call is intended for software devices that can create
1580 * devlink instances in other namespaces than init_net.
1581 *
1582 * Drivers that operate on real HW must use devlink_alloc() instead.
1583 */
1584struct devlink *devlink_alloc_ns(const struct devlink_ops *ops,
1585 size_t priv_size, struct net *net,
1586 struct device *dev);
1587static inline struct devlink *devlink_alloc(const struct devlink_ops *ops,
1588 size_t priv_size,
1589 struct device *dev)
1590{
1591 return devlink_alloc_ns(ops, priv_size, net: &init_net, dev);
1592}
1593
1594int devl_register(struct devlink *devlink);
1595void devl_unregister(struct devlink *devlink);
1596void devlink_register(struct devlink *devlink);
1597void devlink_unregister(struct devlink *devlink);
1598void devlink_free(struct devlink *devlink);
1599
1600/**
1601 * struct devlink_port_ops - Port operations
1602 * @port_split: Callback used to split the port into multiple ones.
1603 * @port_unsplit: Callback used to unsplit the port group back into
1604 * a single port.
1605 * @port_type_set: Callback used to set a type of a port.
1606 * @port_del: Callback used to delete selected port along with related function.
1607 * Devlink core calls this upon user request to delete
1608 * a port previously created by devlink_ops->port_new().
1609 * @port_fn_hw_addr_get: Callback used to set port function's hardware address.
1610 * Should be used by device drivers to report
1611 * the hardware address of a function managed
1612 * by the devlink port.
1613 * @port_fn_hw_addr_set: Callback used to set port function's hardware address.
1614 * Should be used by device drivers to set the hardware
1615 * address of a function managed by the devlink port.
1616 * @port_fn_roce_get: Callback used to get port function's RoCE capability.
1617 * Should be used by device drivers to report
1618 * the current state of RoCE capability of a function
1619 * managed by the devlink port.
1620 * @port_fn_roce_set: Callback used to set port function's RoCE capability.
1621 * Should be used by device drivers to enable/disable
1622 * RoCE capability of a function managed
1623 * by the devlink port.
1624 * @port_fn_migratable_get: Callback used to get port function's migratable
1625 * capability. Should be used by device drivers
1626 * to report the current state of migratable capability
1627 * of a function managed by the devlink port.
1628 * @port_fn_migratable_set: Callback used to set port function's migratable
1629 * capability. Should be used by device drivers
1630 * to enable/disable migratable capability of
1631 * a function managed by the devlink port.
1632 * @port_fn_state_get: Callback used to get port function's state.
1633 * Should be used by device drivers to report
1634 * the current admin and operational state of a
1635 * function managed by the devlink port.
1636 * @port_fn_state_set: Callback used to get port function's state.
1637 * Should be used by device drivers set
1638 * the admin state of a function managed
1639 * by the devlink port.
1640 * @port_fn_ipsec_crypto_get: Callback used to get port function's ipsec_crypto
1641 * capability. Should be used by device drivers
1642 * to report the current state of ipsec_crypto
1643 * capability of a function managed by the devlink
1644 * port.
1645 * @port_fn_ipsec_crypto_set: Callback used to set port function's ipsec_crypto
1646 * capability. Should be used by device drivers to
1647 * enable/disable ipsec_crypto capability of a
1648 * function managed by the devlink port.
1649 * @port_fn_ipsec_packet_get: Callback used to get port function's ipsec_packet
1650 * capability. Should be used by device drivers
1651 * to report the current state of ipsec_packet
1652 * capability of a function managed by the devlink
1653 * port.
1654 * @port_fn_ipsec_packet_set: Callback used to set port function's ipsec_packet
1655 * capability. Should be used by device drivers to
1656 * enable/disable ipsec_packet capability of a
1657 * function managed by the devlink port.
1658 * @port_fn_max_io_eqs_get: Callback used to get port function's maximum number
1659 * of event queues. Should be used by device drivers to
1660 * report the maximum event queues of a function
1661 * managed by the devlink port.
1662 * @port_fn_max_io_eqs_set: Callback used to set port function's maximum number
1663 * of event queues. Should be used by device drivers to
1664 * configure maximum number of event queues
1665 * of a function managed by the devlink port.
1666 *
1667 * Note: Driver should return -EOPNOTSUPP if it doesn't support
1668 * port function (@port_fn_*) handling for a particular port.
1669 */
1670struct devlink_port_ops {
1671 int (*port_split)(struct devlink *devlink, struct devlink_port *port,
1672 unsigned int count, struct netlink_ext_ack *extack);
1673 int (*port_unsplit)(struct devlink *devlink, struct devlink_port *port,
1674 struct netlink_ext_ack *extack);
1675 int (*port_type_set)(struct devlink_port *devlink_port,
1676 enum devlink_port_type port_type);
1677 int (*port_del)(struct devlink *devlink, struct devlink_port *port,
1678 struct netlink_ext_ack *extack);
1679 int (*port_fn_hw_addr_get)(struct devlink_port *port, u8 *hw_addr,
1680 int *hw_addr_len,
1681 struct netlink_ext_ack *extack);
1682 int (*port_fn_hw_addr_set)(struct devlink_port *port,
1683 const u8 *hw_addr, int hw_addr_len,
1684 struct netlink_ext_ack *extack);
1685 int (*port_fn_roce_get)(struct devlink_port *devlink_port,
1686 bool *is_enable,
1687 struct netlink_ext_ack *extack);
1688 int (*port_fn_roce_set)(struct devlink_port *devlink_port,
1689 bool enable, struct netlink_ext_ack *extack);
1690 int (*port_fn_migratable_get)(struct devlink_port *devlink_port,
1691 bool *is_enable,
1692 struct netlink_ext_ack *extack);
1693 int (*port_fn_migratable_set)(struct devlink_port *devlink_port,
1694 bool enable,
1695 struct netlink_ext_ack *extack);
1696 int (*port_fn_state_get)(struct devlink_port *port,
1697 enum devlink_port_fn_state *state,
1698 enum devlink_port_fn_opstate *opstate,
1699 struct netlink_ext_ack *extack);
1700 int (*port_fn_state_set)(struct devlink_port *port,
1701 enum devlink_port_fn_state state,
1702 struct netlink_ext_ack *extack);
1703 int (*port_fn_ipsec_crypto_get)(struct devlink_port *devlink_port,
1704 bool *is_enable,
1705 struct netlink_ext_ack *extack);
1706 int (*port_fn_ipsec_crypto_set)(struct devlink_port *devlink_port,
1707 bool enable,
1708 struct netlink_ext_ack *extack);
1709 int (*port_fn_ipsec_packet_get)(struct devlink_port *devlink_port,
1710 bool *is_enable,
1711 struct netlink_ext_ack *extack);
1712 int (*port_fn_ipsec_packet_set)(struct devlink_port *devlink_port,
1713 bool enable,
1714 struct netlink_ext_ack *extack);
1715 int (*port_fn_max_io_eqs_get)(struct devlink_port *devlink_port,
1716 u32 *max_eqs,
1717 struct netlink_ext_ack *extack);
1718 int (*port_fn_max_io_eqs_set)(struct devlink_port *devlink_port,
1719 u32 max_eqs,
1720 struct netlink_ext_ack *extack);
1721};
1722
1723void devlink_port_init(struct devlink *devlink,
1724 struct devlink_port *devlink_port);
1725void devlink_port_fini(struct devlink_port *devlink_port);
1726
1727int devl_port_register_with_ops(struct devlink *devlink,
1728 struct devlink_port *devlink_port,
1729 unsigned int port_index,
1730 const struct devlink_port_ops *ops);
1731
1732static inline int devl_port_register(struct devlink *devlink,
1733 struct devlink_port *devlink_port,
1734 unsigned int port_index)
1735{
1736 return devl_port_register_with_ops(devlink, devlink_port,
1737 port_index, NULL);
1738}
1739
1740int devlink_port_register_with_ops(struct devlink *devlink,
1741 struct devlink_port *devlink_port,
1742 unsigned int port_index,
1743 const struct devlink_port_ops *ops);
1744
1745static inline int devlink_port_register(struct devlink *devlink,
1746 struct devlink_port *devlink_port,
1747 unsigned int port_index)
1748{
1749 return devlink_port_register_with_ops(devlink, devlink_port,
1750 port_index, NULL);
1751}
1752
1753void devl_port_unregister(struct devlink_port *devlink_port);
1754void devlink_port_unregister(struct devlink_port *devlink_port);
1755void devlink_port_type_eth_set(struct devlink_port *devlink_port);
1756void devlink_port_type_ib_set(struct devlink_port *devlink_port,
1757 struct ib_device *ibdev);
1758void devlink_port_type_clear(struct devlink_port *devlink_port);
1759void devlink_port_attrs_set(struct devlink_port *devlink_port,
1760 const struct devlink_port_attrs *attrs);
1761void devlink_port_attrs_pci_pf_set(struct devlink_port *devlink_port, u32 controller,
1762 u16 pf, bool external);
1763void devlink_port_attrs_pci_vf_set(struct devlink_port *devlink_port, u32 controller,
1764 u16 pf, u16 vf, bool external);
1765void devlink_port_attrs_pci_sf_set(struct devlink_port *devlink_port,
1766 u32 controller, u16 pf, u32 sf,
1767 bool external);
1768int devl_port_fn_devlink_set(struct devlink_port *devlink_port,
1769 struct devlink *fn_devlink);
1770struct devlink_rate *
1771devl_rate_node_create(struct devlink *devlink, void *priv, char *node_name,
1772 struct devlink_rate *parent);
1773int
1774devl_rate_leaf_create(struct devlink_port *devlink_port, void *priv,
1775 struct devlink_rate *parent);
1776void devl_rate_leaf_destroy(struct devlink_port *devlink_port);
1777void devl_rate_nodes_destroy(struct devlink *devlink);
1778void devlink_port_linecard_set(struct devlink_port *devlink_port,
1779 struct devlink_linecard *linecard);
1780struct devlink_linecard *
1781devl_linecard_create(struct devlink *devlink, unsigned int linecard_index,
1782 const struct devlink_linecard_ops *ops, void *priv);
1783void devl_linecard_destroy(struct devlink_linecard *linecard);
1784void devlink_linecard_provision_set(struct devlink_linecard *linecard,
1785 const char *type);
1786void devlink_linecard_provision_clear(struct devlink_linecard *linecard);
1787void devlink_linecard_provision_fail(struct devlink_linecard *linecard);
1788void devlink_linecard_activate(struct devlink_linecard *linecard);
1789void devlink_linecard_deactivate(struct devlink_linecard *linecard);
1790int devlink_linecard_nested_dl_set(struct devlink_linecard *linecard,
1791 struct devlink *nested_devlink);
1792int devl_sb_register(struct devlink *devlink, unsigned int sb_index,
1793 u32 size, u16 ingress_pools_count,
1794 u16 egress_pools_count, u16 ingress_tc_count,
1795 u16 egress_tc_count);
1796int devlink_sb_register(struct devlink *devlink, unsigned int sb_index,
1797 u32 size, u16 ingress_pools_count,
1798 u16 egress_pools_count, u16 ingress_tc_count,
1799 u16 egress_tc_count);
1800void devl_sb_unregister(struct devlink *devlink, unsigned int sb_index);
1801void devlink_sb_unregister(struct devlink *devlink, unsigned int sb_index);
1802int devl_dpipe_table_register(struct devlink *devlink,
1803 const char *table_name,
1804 const struct devlink_dpipe_table_ops *table_ops,
1805 void *priv, bool counter_control_extern);
1806void devl_dpipe_table_unregister(struct devlink *devlink,
1807 const char *table_name);
1808void devl_dpipe_headers_register(struct devlink *devlink,
1809 struct devlink_dpipe_headers *dpipe_headers);
1810void devl_dpipe_headers_unregister(struct devlink *devlink);
1811bool devlink_dpipe_table_counter_enabled(struct devlink *devlink,
1812 const char *table_name);
1813int devlink_dpipe_entry_ctx_prepare(struct devlink_dpipe_dump_ctx *dump_ctx);
1814int devlink_dpipe_entry_ctx_append(struct devlink_dpipe_dump_ctx *dump_ctx,
1815 struct devlink_dpipe_entry *entry);
1816int devlink_dpipe_entry_ctx_close(struct devlink_dpipe_dump_ctx *dump_ctx);
1817void devlink_dpipe_entry_clear(struct devlink_dpipe_entry *entry);
1818int devlink_dpipe_action_put(struct sk_buff *skb,
1819 struct devlink_dpipe_action *action);
1820int devlink_dpipe_match_put(struct sk_buff *skb,
1821 struct devlink_dpipe_match *match);
1822extern struct devlink_dpipe_header devlink_dpipe_header_ethernet;
1823extern struct devlink_dpipe_header devlink_dpipe_header_ipv4;
1824extern struct devlink_dpipe_header devlink_dpipe_header_ipv6;
1825
1826int devl_resource_register(struct devlink *devlink,
1827 const char *resource_name,
1828 u64 resource_size,
1829 u64 resource_id,
1830 u64 parent_resource_id,
1831 const struct devlink_resource_size_params *size_params);
1832void devl_resources_unregister(struct devlink *devlink);
1833void devlink_resources_unregister(struct devlink *devlink);
1834int devl_resource_size_get(struct devlink *devlink,
1835 u64 resource_id,
1836 u64 *p_resource_size);
1837int devl_dpipe_table_resource_set(struct devlink *devlink,
1838 const char *table_name, u64 resource_id,
1839 u64 resource_units);
1840void devl_resource_occ_get_register(struct devlink *devlink,
1841 u64 resource_id,
1842 devlink_resource_occ_get_t *occ_get,
1843 void *occ_get_priv);
1844void devl_resource_occ_get_unregister(struct devlink *devlink,
1845 u64 resource_id);
1846int devl_params_register(struct devlink *devlink,
1847 const struct devlink_param *params,
1848 size_t params_count);
1849int devlink_params_register(struct devlink *devlink,
1850 const struct devlink_param *params,
1851 size_t params_count);
1852void devl_params_unregister(struct devlink *devlink,
1853 const struct devlink_param *params,
1854 size_t params_count);
1855void devlink_params_unregister(struct devlink *devlink,
1856 const struct devlink_param *params,
1857 size_t params_count);
1858int devl_param_driverinit_value_get(struct devlink *devlink, u32 param_id,
1859 union devlink_param_value *val);
1860void devl_param_driverinit_value_set(struct devlink *devlink, u32 param_id,
1861 union devlink_param_value init_val);
1862void devl_param_value_changed(struct devlink *devlink, u32 param_id);
1863struct devlink_region *devl_region_create(struct devlink *devlink,
1864 const struct devlink_region_ops *ops,
1865 u32 region_max_snapshots,
1866 u64 region_size);
1867struct devlink_region *
1868devlink_region_create(struct devlink *devlink,
1869 const struct devlink_region_ops *ops,
1870 u32 region_max_snapshots, u64 region_size);
1871struct devlink_region *
1872devlink_port_region_create(struct devlink_port *port,
1873 const struct devlink_port_region_ops *ops,
1874 u32 region_max_snapshots, u64 region_size);
1875void devl_region_destroy(struct devlink_region *region);
1876void devlink_region_destroy(struct devlink_region *region);
1877int devlink_region_snapshot_id_get(struct devlink *devlink, u32 *id);
1878void devlink_region_snapshot_id_put(struct devlink *devlink, u32 id);
1879int devlink_region_snapshot_create(struct devlink_region *region,
1880 u8 *data, u32 snapshot_id);
1881int devlink_info_serial_number_put(struct devlink_info_req *req,
1882 const char *sn);
1883int devlink_info_board_serial_number_put(struct devlink_info_req *req,
1884 const char *bsn);
1885
1886enum devlink_info_version_type {
1887 DEVLINK_INFO_VERSION_TYPE_NONE,
1888 DEVLINK_INFO_VERSION_TYPE_COMPONENT, /* May be used as flash update
1889 * component by name.
1890 */
1891};
1892
1893int devlink_info_version_fixed_put(struct devlink_info_req *req,
1894 const char *version_name,
1895 const char *version_value);
1896int devlink_info_version_stored_put(struct devlink_info_req *req,
1897 const char *version_name,
1898 const char *version_value);
1899int devlink_info_version_stored_put_ext(struct devlink_info_req *req,
1900 const char *version_name,
1901 const char *version_value,
1902 enum devlink_info_version_type version_type);
1903int devlink_info_version_running_put(struct devlink_info_req *req,
1904 const char *version_name,
1905 const char *version_value);
1906int devlink_info_version_running_put_ext(struct devlink_info_req *req,
1907 const char *version_name,
1908 const char *version_value,
1909 enum devlink_info_version_type version_type);
1910
1911void devlink_fmsg_obj_nest_start(struct devlink_fmsg *fmsg);
1912void devlink_fmsg_obj_nest_end(struct devlink_fmsg *fmsg);
1913
1914void devlink_fmsg_pair_nest_start(struct devlink_fmsg *fmsg, const char *name);
1915void devlink_fmsg_pair_nest_end(struct devlink_fmsg *fmsg);
1916
1917void devlink_fmsg_arr_pair_nest_start(struct devlink_fmsg *fmsg,
1918 const char *name);
1919void devlink_fmsg_arr_pair_nest_end(struct devlink_fmsg *fmsg);
1920void devlink_fmsg_binary_pair_nest_start(struct devlink_fmsg *fmsg,
1921 const char *name);
1922void devlink_fmsg_binary_pair_nest_end(struct devlink_fmsg *fmsg);
1923
1924void devlink_fmsg_u32_put(struct devlink_fmsg *fmsg, u32 value);
1925void devlink_fmsg_string_put(struct devlink_fmsg *fmsg, const char *value);
1926void devlink_fmsg_binary_put(struct devlink_fmsg *fmsg, const void *value,
1927 u16 value_len);
1928
1929void devlink_fmsg_bool_pair_put(struct devlink_fmsg *fmsg, const char *name,
1930 bool value);
1931void devlink_fmsg_u8_pair_put(struct devlink_fmsg *fmsg, const char *name,
1932 u8 value);
1933void devlink_fmsg_u32_pair_put(struct devlink_fmsg *fmsg, const char *name,
1934 u32 value);
1935void devlink_fmsg_u64_pair_put(struct devlink_fmsg *fmsg, const char *name,
1936 u64 value);
1937void devlink_fmsg_string_pair_put(struct devlink_fmsg *fmsg, const char *name,
1938 const char *value);
1939void devlink_fmsg_binary_pair_put(struct devlink_fmsg *fmsg, const char *name,
1940 const void *value, u32 value_len);
1941
1942struct devlink_health_reporter *
1943devl_port_health_reporter_create(struct devlink_port *port,
1944 const struct devlink_health_reporter_ops *ops,
1945 void *priv);
1946
1947struct devlink_health_reporter *
1948devlink_port_health_reporter_create(struct devlink_port *port,
1949 const struct devlink_health_reporter_ops *ops,
1950 void *priv);
1951
1952struct devlink_health_reporter *
1953devl_health_reporter_create(struct devlink *devlink,
1954 const struct devlink_health_reporter_ops *ops,
1955 void *priv);
1956
1957struct devlink_health_reporter *
1958devlink_health_reporter_create(struct devlink *devlink,
1959 const struct devlink_health_reporter_ops *ops,
1960 void *priv);
1961
1962void
1963devl_health_reporter_destroy(struct devlink_health_reporter *reporter);
1964
1965void
1966devlink_health_reporter_destroy(struct devlink_health_reporter *reporter);
1967
1968void *
1969devlink_health_reporter_priv(struct devlink_health_reporter *reporter);
1970int devlink_health_report(struct devlink_health_reporter *reporter,
1971 const char *msg, void *priv_ctx);
1972void
1973devlink_health_reporter_state_update(struct devlink_health_reporter *reporter,
1974 enum devlink_health_reporter_state state);
1975void
1976devlink_health_reporter_recovery_done(struct devlink_health_reporter *reporter);
1977
1978int devl_nested_devlink_set(struct devlink *devlink,
1979 struct devlink *nested_devlink);
1980bool devlink_is_reload_failed(const struct devlink *devlink);
1981void devlink_remote_reload_actions_performed(struct devlink *devlink,
1982 enum devlink_reload_limit limit,
1983 u32 actions_performed);
1984
1985void devlink_flash_update_status_notify(struct devlink *devlink,
1986 const char *status_msg,
1987 const char *component,
1988 unsigned long done,
1989 unsigned long total);
1990void devlink_flash_update_timeout_notify(struct devlink *devlink,
1991 const char *status_msg,
1992 const char *component,
1993 unsigned long timeout);
1994
1995int devl_traps_register(struct devlink *devlink,
1996 const struct devlink_trap *traps,
1997 size_t traps_count, void *priv);
1998int devlink_traps_register(struct devlink *devlink,
1999 const struct devlink_trap *traps,
2000 size_t traps_count, void *priv);
2001void devl_traps_unregister(struct devlink *devlink,
2002 const struct devlink_trap *traps,
2003 size_t traps_count);
2004void devlink_traps_unregister(struct devlink *devlink,
2005 const struct devlink_trap *traps,
2006 size_t traps_count);
2007void devlink_trap_report(struct devlink *devlink, struct sk_buff *skb,
2008 void *trap_ctx, struct devlink_port *in_devlink_port,
2009 const struct flow_action_cookie *fa_cookie);
2010void *devlink_trap_ctx_priv(void *trap_ctx);
2011int devl_trap_groups_register(struct devlink *devlink,
2012 const struct devlink_trap_group *groups,
2013 size_t groups_count);
2014int devlink_trap_groups_register(struct devlink *devlink,
2015 const struct devlink_trap_group *groups,
2016 size_t groups_count);
2017void devl_trap_groups_unregister(struct devlink *devlink,
2018 const struct devlink_trap_group *groups,
2019 size_t groups_count);
2020void devlink_trap_groups_unregister(struct devlink *devlink,
2021 const struct devlink_trap_group *groups,
2022 size_t groups_count);
2023int
2024devl_trap_policers_register(struct devlink *devlink,
2025 const struct devlink_trap_policer *policers,
2026 size_t policers_count);
2027void
2028devl_trap_policers_unregister(struct devlink *devlink,
2029 const struct devlink_trap_policer *policers,
2030 size_t policers_count);
2031
2032#if IS_ENABLED(CONFIG_NET_DEVLINK)
2033
2034struct devlink *__must_check devlink_try_get(struct devlink *devlink);
2035void devlink_put(struct devlink *devlink);
2036
2037void devlink_compat_running_version(struct devlink *devlink,
2038 char *buf, size_t len);
2039int devlink_compat_flash_update(struct devlink *devlink, const char *file_name);
2040int devlink_compat_phys_port_name_get(struct net_device *dev,
2041 char *name, size_t len);
2042int devlink_compat_switch_id_get(struct net_device *dev,
2043 struct netdev_phys_item_id *ppid);
2044
2045int devlink_nl_port_handle_fill(struct sk_buff *msg, struct devlink_port *devlink_port);
2046size_t devlink_nl_port_handle_size(struct devlink_port *devlink_port);
2047void devlink_fmsg_dump_skb(struct devlink_fmsg *fmsg, const struct sk_buff *skb);
2048
2049#else
2050
2051static inline struct devlink *devlink_try_get(struct devlink *devlink)
2052{
2053 return NULL;
2054}
2055
2056static inline void devlink_put(struct devlink *devlink)
2057{
2058}
2059
2060static inline void
2061devlink_compat_running_version(struct devlink *devlink, char *buf, size_t len)
2062{
2063}
2064
2065static inline int
2066devlink_compat_flash_update(struct devlink *devlink, const char *file_name)
2067{
2068 return -EOPNOTSUPP;
2069}
2070
2071static inline int
2072devlink_compat_phys_port_name_get(struct net_device *dev,
2073 char *name, size_t len)
2074{
2075 return -EOPNOTSUPP;
2076}
2077
2078static inline int
2079devlink_compat_switch_id_get(struct net_device *dev,
2080 struct netdev_phys_item_id *ppid)
2081{
2082 return -EOPNOTSUPP;
2083}
2084
2085static inline int
2086devlink_nl_port_handle_fill(struct sk_buff *msg, struct devlink_port *devlink_port)
2087{
2088 return 0;
2089}
2090
2091static inline size_t devlink_nl_port_handle_size(struct devlink_port *devlink_port)
2092{
2093 return 0;
2094}
2095
2096#endif
2097
2098#endif /* _NET_DEVLINK_H_ */
2099