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1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * include/net/devlink.h - Network physical device Netlink interface
4 * Copyright (c) 2016 Mellanox Technologies. All rights reserved.
5 * Copyright (c) 2016 Jiri Pirko <[email protected]>
6 */
7#ifndef _NET_DEVLINK_H_
8#define _NET_DEVLINK_H_
9
10#include <linux/device.h>
11#include <linux/slab.h>
12#include <linux/gfp.h>
13#include <linux/list.h>
14#include <linux/netdevice.h>
15#include <linux/spinlock.h>
16#include <linux/workqueue.h>
17#include <linux/refcount.h>
18#include <net/net_namespace.h>
19#include <net/flow_offload.h>
20#include <uapi/linux/devlink.h>
21#include <linux/xarray.h>
22#include <linux/firmware.h>
23
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 list_head resource_list;
133 struct devlink *devlink;
134 const struct devlink_port_ops *ops;
135 unsigned int index;
136 spinlock_t type_lock; /* Protects type and type_eth/ib
137 * structures consistency.
138 */
139 enum devlink_port_type type;
140 enum devlink_port_type desired_type;
141 union {
142 struct {
143 struct net_device *netdev;
144 int ifindex;
145 char ifname[IFNAMSIZ];
146 } type_eth;
147 struct {
148 struct ib_device *ibdev;
149 } type_ib;
150 };
151 struct devlink_port_attrs attrs;
152 u8 attrs_set:1,
153 switch_port:1,
154 registered:1,
155 initialized:1;
156 struct delayed_work type_warn_dw;
157 struct list_head reporter_list;
158
159 struct devlink_rate *devlink_rate;
160 struct devlink_linecard *linecard;
161 u32 rel_index;
162};
163
164struct devlink_port_new_attrs {
165 enum devlink_port_flavour flavour;
166 unsigned int port_index;
167 u32 controller;
168 u32 sfnum;
169 u16 pfnum;
170 u8 port_index_valid:1,
171 controller_valid:1,
172 sfnum_valid:1;
173};
174
175/**
176 * struct devlink_linecard_ops - Linecard operations
177 * @provision: callback to provision the linecard slot with certain
178 * type of linecard. As a result of this operation,
179 * driver is expected to eventually (could be after
180 * the function call returns) call one of:
181 * devlink_linecard_provision_set()
182 * devlink_linecard_provision_fail()
183 * @unprovision: callback to unprovision the linecard slot. As a result
184 * of this operation, driver is expected to eventually
185 * (could be after the function call returns) call
186 * devlink_linecard_provision_clear()
187 * devlink_linecard_provision_fail()
188 * @same_provision: callback to ask the driver if linecard is already
189 * provisioned in the same way user asks this linecard to be
190 * provisioned.
191 * @types_count: callback to get number of supported types
192 * @types_get: callback to get next type in list
193 */
194struct devlink_linecard_ops {
195 int (*provision)(struct devlink_linecard *linecard, void *priv,
196 const char *type, const void *type_priv,
197 struct netlink_ext_ack *extack);
198 int (*unprovision)(struct devlink_linecard *linecard, void *priv,
199 struct netlink_ext_ack *extack);
200 bool (*same_provision)(struct devlink_linecard *linecard, void *priv,
201 const char *type, const void *type_priv);
202 unsigned int (*types_count)(struct devlink_linecard *linecard,
203 void *priv);
204 void (*types_get)(struct devlink_linecard *linecard,
205 void *priv, unsigned int index, const char **type,
206 const void **type_priv);
207};
208
209struct devlink_sb_pool_info {
210 enum devlink_sb_pool_type pool_type;
211 u32 size;
212 enum devlink_sb_threshold_type threshold_type;
213 u32 cell_size;
214};
215
216/**
217 * struct devlink_dpipe_field - dpipe field object
218 * @name: field name
219 * @id: index inside the headers field array
220 * @bitwidth: bitwidth
221 * @mapping_type: mapping type
222 */
223struct devlink_dpipe_field {
224 const char *name;
225 unsigned int id;
226 unsigned int bitwidth;
227 enum devlink_dpipe_field_mapping_type mapping_type;
228};
229
230/**
231 * struct devlink_dpipe_header - dpipe header object
232 * @name: header name
233 * @id: index, global/local determined by global bit
234 * @fields: fields
235 * @fields_count: number of fields
236 * @global: indicates if header is shared like most protocol header
237 * or driver specific
238 */
239struct devlink_dpipe_header {
240 const char *name;
241 unsigned int id;
242 struct devlink_dpipe_field *fields;
243 unsigned int fields_count;
244 bool global;
245};
246
247/**
248 * struct devlink_dpipe_match - represents match operation
249 * @type: type of match
250 * @header_index: header index (packets can have several headers of same
251 * type like in case of tunnels)
252 * @header: header
253 * @field_id: field index
254 */
255struct devlink_dpipe_match {
256 enum devlink_dpipe_match_type type;
257 unsigned int header_index;
258 struct devlink_dpipe_header *header;
259 unsigned int field_id;
260};
261
262/**
263 * struct devlink_dpipe_action - represents action operation
264 * @type: type of action
265 * @header_index: header index (packets can have several headers of same
266 * type like in case of tunnels)
267 * @header: header
268 * @field_id: field index
269 */
270struct devlink_dpipe_action {
271 enum devlink_dpipe_action_type type;
272 unsigned int header_index;
273 struct devlink_dpipe_header *header;
274 unsigned int field_id;
275};
276
277/**
278 * struct devlink_dpipe_value - represents value of match/action
279 * @action: action
280 * @match: match
281 * @mapping_value: in case the field has some mapping this value
282 * specified the mapping value
283 * @mapping_valid: specify if mapping value is valid
284 * @value_size: value size
285 * @value: value
286 * @mask: bit mask
287 */
288struct devlink_dpipe_value {
289 union {
290 struct devlink_dpipe_action *action;
291 struct devlink_dpipe_match *match;
292 };
293 unsigned int mapping_value;
294 bool mapping_valid;
295 unsigned int value_size;
296 void *value;
297 void *mask;
298};
299
300/**
301 * struct devlink_dpipe_entry - table entry object
302 * @index: index of the entry in the table
303 * @match_values: match values
304 * @match_values_count: count of matches tuples
305 * @action_values: actions values
306 * @action_values_count: count of actions values
307 * @counter: value of counter
308 * @counter_valid: Specify if value is valid from hardware
309 */
310struct devlink_dpipe_entry {
311 u64 index;
312 struct devlink_dpipe_value *match_values;
313 unsigned int match_values_count;
314 struct devlink_dpipe_value *action_values;
315 unsigned int action_values_count;
316 u64 counter;
317 bool counter_valid;
318};
319
320/**
321 * struct devlink_dpipe_dump_ctx - context provided to driver in order
322 * to dump
323 * @info: info
324 * @cmd: devlink command
325 * @skb: skb
326 * @nest: top attribute
327 * @hdr: hdr
328 */
329struct devlink_dpipe_dump_ctx {
330 struct genl_info *info;
331 enum devlink_command cmd;
332 struct sk_buff *skb;
333 struct nlattr *nest;
334 void *hdr;
335};
336
337struct devlink_dpipe_table_ops;
338
339/**
340 * struct devlink_dpipe_table - table object
341 * @priv: private
342 * @name: table name
343 * @counters_enabled: indicates if counters are active
344 * @counter_control_extern: indicates if counter control is in dpipe or
345 * external tool
346 * @resource_valid: Indicate that the resource id is valid
347 * @resource_id: relative resource this table is related to
348 * @resource_units: number of resource's unit consumed per table's entry
349 * @table_ops: table operations
350 * @rcu: rcu
351 */
352struct devlink_dpipe_table {
353 void *priv;
354 /* private: */
355 struct list_head list;
356 /* public: */
357 const char *name;
358 bool counters_enabled;
359 bool counter_control_extern;
360 bool resource_valid;
361 u64 resource_id;
362 u64 resource_units;
363 const struct devlink_dpipe_table_ops *table_ops;
364 struct rcu_head rcu;
365};
366
367/**
368 * struct devlink_dpipe_table_ops - dpipe_table ops
369 * @actions_dump: dumps all tables actions
370 * @matches_dump: dumps all tables matches
371 * @entries_dump: dumps all active entries in the table
372 * @counters_set_update: when changing the counter status hardware sync
373 * maybe needed to allocate/free counter related
374 * resources
375 * @size_get: get size
376 */
377struct devlink_dpipe_table_ops {
378 int (*actions_dump)(void *priv, struct sk_buff *skb);
379 int (*matches_dump)(void *priv, struct sk_buff *skb);
380 int (*entries_dump)(void *priv, bool counters_enabled,
381 struct devlink_dpipe_dump_ctx *dump_ctx);
382 int (*counters_set_update)(void *priv, bool enable);
383 u64 (*size_get)(void *priv);
384};
385
386/**
387 * struct devlink_dpipe_headers - dpipe headers
388 * @headers: header array can be shared (global bit) or driver specific
389 * @headers_count: count of headers
390 */
391struct devlink_dpipe_headers {
392 struct devlink_dpipe_header **headers;
393 unsigned int headers_count;
394};
395
396/**
397 * struct devlink_resource_size_params - resource's size parameters
398 * @size_min: minimum size which can be set
399 * @size_max: maximum size which can be set
400 * @size_granularity: size granularity
401 * @unit: resource's basic unit
402 */
403struct devlink_resource_size_params {
404 u64 size_min;
405 u64 size_max;
406 u64 size_granularity;
407 enum devlink_resource_unit unit;
408};
409
410static inline void
411devlink_resource_size_params_init(struct devlink_resource_size_params *size_params,
412 u64 size_min, u64 size_max,
413 u64 size_granularity,
414 enum devlink_resource_unit unit)
415{
416 size_params->size_min = size_min;
417 size_params->size_max = size_max;
418 size_params->size_granularity = size_granularity;
419 size_params->unit = unit;
420}
421
422typedef u64 devlink_resource_occ_get_t(void *priv);
423
424#define DEVLINK_RESOURCE_ID_PARENT_TOP 0
425
426#define DEVLINK_RESOURCE_GENERIC_NAME_PORTS "physical_ports"
427
428#define __DEVLINK_PARAM_MAX_STRING_VALUE 32
429enum devlink_param_type {
430 DEVLINK_PARAM_TYPE_U8 = DEVLINK_VAR_ATTR_TYPE_U8,
431 DEVLINK_PARAM_TYPE_U16 = DEVLINK_VAR_ATTR_TYPE_U16,
432 DEVLINK_PARAM_TYPE_U32 = DEVLINK_VAR_ATTR_TYPE_U32,
433 DEVLINK_PARAM_TYPE_U64 = DEVLINK_VAR_ATTR_TYPE_U64,
434 DEVLINK_PARAM_TYPE_STRING = DEVLINK_VAR_ATTR_TYPE_STRING,
435 DEVLINK_PARAM_TYPE_BOOL = DEVLINK_VAR_ATTR_TYPE_FLAG,
436 DEVLINK_PARAM_TYPE_U64_ARRAY = DEVLINK_VAR_ATTR_TYPE_U64_ARRAY,
437};
438
439#define __DEVLINK_PARAM_MAX_ARRAY_SIZE 32
440struct devlink_param_u64_array {
441 u64 size;
442 u64 val[__DEVLINK_PARAM_MAX_ARRAY_SIZE];
443};
444
445union devlink_param_value {
446 u8 vu8;
447 u16 vu16;
448 u32 vu32;
449 u64 vu64;
450 char vstr[__DEVLINK_PARAM_MAX_STRING_VALUE];
451 bool vbool;
452 struct devlink_param_u64_array u64arr;
453};
454
455struct devlink_param_gset_ctx {
456 union devlink_param_value val;
457 enum devlink_param_cmode cmode;
458};
459
460/**
461 * struct devlink_flash_notify - devlink dev flash notify data
462 * @status_msg: current status string
463 * @component: firmware component being updated
464 * @done: amount of work completed of total amount
465 * @total: amount of work expected to be done
466 * @timeout: expected max timeout in seconds
467 *
468 * These are values to be given to userland to be displayed in order
469 * to show current activity in a firmware update process.
470 */
471struct devlink_flash_notify {
472 const char *status_msg;
473 const char *component;
474 unsigned long done;
475 unsigned long total;
476 unsigned long timeout;
477};
478
479/**
480 * struct devlink_param - devlink configuration parameter data
481 * @id: devlink parameter id number
482 * @name: name of the parameter
483 * @generic: indicates if the parameter is generic or driver specific
484 * @type: parameter type
485 * @supported_cmodes: bitmap of supported configuration modes
486 * @get: get parameter value, used for runtime and permanent
487 * configuration modes
488 * @set: set parameter value, used for runtime and permanent
489 * configuration modes
490 * @validate: validate input value is applicable (within value range, etc.)
491 * @get_default: get parameter default value, used for runtime and permanent
492 * configuration modes
493 * @reset_default: reset parameter to default value, used for runtime and permanent
494 * configuration modes
495 *
496 * This struct should be used by the driver to fill the data for
497 * a parameter it registers.
498 */
499struct devlink_param {
500 u32 id;
501 const char *name;
502 bool generic;
503 enum devlink_param_type type;
504 unsigned long supported_cmodes;
505 int (*get)(struct devlink *devlink, u32 id,
506 struct devlink_param_gset_ctx *ctx,
507 struct netlink_ext_ack *extack);
508 int (*set)(struct devlink *devlink, u32 id,
509 struct devlink_param_gset_ctx *ctx,
510 struct netlink_ext_ack *extack);
511 int (*validate)(struct devlink *devlink, u32 id,
512 union devlink_param_value *val,
513 struct netlink_ext_ack *extack);
514 int (*get_default)(struct devlink *devlink, u32 id,
515 struct devlink_param_gset_ctx *ctx,
516 struct netlink_ext_ack *extack);
517 int (*reset_default)(struct devlink *devlink, u32 id,
518 enum devlink_param_cmode cmode,
519 struct netlink_ext_ack *extack);
520};
521
522struct devlink_param_item {
523 struct list_head list;
524 const struct devlink_param *param;
525 union devlink_param_value driverinit_value;
526 bool driverinit_value_valid;
527 union devlink_param_value driverinit_value_new; /* Not reachable
528 * until reload.
529 */
530 bool driverinit_value_new_valid;
531 union devlink_param_value driverinit_default;
532};
533
534enum devlink_param_generic_id {
535 DEVLINK_PARAM_GENERIC_ID_INT_ERR_RESET,
536 DEVLINK_PARAM_GENERIC_ID_MAX_MACS,
537 DEVLINK_PARAM_GENERIC_ID_ENABLE_SRIOV,
538 DEVLINK_PARAM_GENERIC_ID_REGION_SNAPSHOT,
539 DEVLINK_PARAM_GENERIC_ID_IGNORE_ARI,
540 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX,
541 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN,
542 DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY,
543 DEVLINK_PARAM_GENERIC_ID_RESET_DEV_ON_DRV_PROBE,
544 DEVLINK_PARAM_GENERIC_ID_ENABLE_ROCE,
545 DEVLINK_PARAM_GENERIC_ID_ENABLE_REMOTE_DEV_RESET,
546 DEVLINK_PARAM_GENERIC_ID_ENABLE_ETH,
547 DEVLINK_PARAM_GENERIC_ID_ENABLE_RDMA,
548 DEVLINK_PARAM_GENERIC_ID_ENABLE_VNET,
549 DEVLINK_PARAM_GENERIC_ID_ENABLE_IWARP,
550 DEVLINK_PARAM_GENERIC_ID_IO_EQ_SIZE,
551 DEVLINK_PARAM_GENERIC_ID_EVENT_EQ_SIZE,
552 DEVLINK_PARAM_GENERIC_ID_ENABLE_PHC,
553 DEVLINK_PARAM_GENERIC_ID_CLOCK_ID,
554 DEVLINK_PARAM_GENERIC_ID_TOTAL_VFS,
555 DEVLINK_PARAM_GENERIC_ID_NUM_DOORBELLS,
556 DEVLINK_PARAM_GENERIC_ID_MAX_MAC_PER_VF,
557
558 /* add new param generic ids above here*/
559 __DEVLINK_PARAM_GENERIC_ID_MAX,
560 DEVLINK_PARAM_GENERIC_ID_MAX = __DEVLINK_PARAM_GENERIC_ID_MAX - 1,
561};
562
563#define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_NAME "internal_error_reset"
564#define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL
565
566#define DEVLINK_PARAM_GENERIC_MAX_MACS_NAME "max_macs"
567#define DEVLINK_PARAM_GENERIC_MAX_MACS_TYPE DEVLINK_PARAM_TYPE_U32
568
569#define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_NAME "enable_sriov"
570#define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_TYPE DEVLINK_PARAM_TYPE_BOOL
571
572#define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_NAME "region_snapshot_enable"
573#define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_TYPE DEVLINK_PARAM_TYPE_BOOL
574
575#define DEVLINK_PARAM_GENERIC_IGNORE_ARI_NAME "ignore_ari"
576#define DEVLINK_PARAM_GENERIC_IGNORE_ARI_TYPE DEVLINK_PARAM_TYPE_BOOL
577
578#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_NAME "msix_vec_per_pf_max"
579#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_TYPE DEVLINK_PARAM_TYPE_U32
580
581#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_NAME "msix_vec_per_pf_min"
582#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_TYPE DEVLINK_PARAM_TYPE_U32
583
584#define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_NAME "fw_load_policy"
585#define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_TYPE DEVLINK_PARAM_TYPE_U8
586
587#define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_NAME \
588 "reset_dev_on_drv_probe"
589#define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_TYPE DEVLINK_PARAM_TYPE_U8
590
591#define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_NAME "enable_roce"
592#define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_TYPE DEVLINK_PARAM_TYPE_BOOL
593
594#define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_NAME "enable_remote_dev_reset"
595#define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL
596
597#define DEVLINK_PARAM_GENERIC_ENABLE_ETH_NAME "enable_eth"
598#define DEVLINK_PARAM_GENERIC_ENABLE_ETH_TYPE DEVLINK_PARAM_TYPE_BOOL
599
600#define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_NAME "enable_rdma"
601#define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_TYPE DEVLINK_PARAM_TYPE_BOOL
602
603#define DEVLINK_PARAM_GENERIC_ENABLE_VNET_NAME "enable_vnet"
604#define DEVLINK_PARAM_GENERIC_ENABLE_VNET_TYPE DEVLINK_PARAM_TYPE_BOOL
605
606#define DEVLINK_PARAM_GENERIC_ENABLE_IWARP_NAME "enable_iwarp"
607#define DEVLINK_PARAM_GENERIC_ENABLE_IWARP_TYPE DEVLINK_PARAM_TYPE_BOOL
608
609#define DEVLINK_PARAM_GENERIC_IO_EQ_SIZE_NAME "io_eq_size"
610#define DEVLINK_PARAM_GENERIC_IO_EQ_SIZE_TYPE DEVLINK_PARAM_TYPE_U32
611
612#define DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_NAME "event_eq_size"
613#define DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_TYPE DEVLINK_PARAM_TYPE_U32
614
615#define DEVLINK_PARAM_GENERIC_ENABLE_PHC_NAME "enable_phc"
616#define DEVLINK_PARAM_GENERIC_ENABLE_PHC_TYPE DEVLINK_PARAM_TYPE_BOOL
617
618#define DEVLINK_PARAM_GENERIC_CLOCK_ID_NAME "clock_id"
619#define DEVLINK_PARAM_GENERIC_CLOCK_ID_TYPE DEVLINK_PARAM_TYPE_U64
620
621#define DEVLINK_PARAM_GENERIC_TOTAL_VFS_NAME "total_vfs"
622#define DEVLINK_PARAM_GENERIC_TOTAL_VFS_TYPE DEVLINK_PARAM_TYPE_U32
623
624#define DEVLINK_PARAM_GENERIC_NUM_DOORBELLS_NAME "num_doorbells"
625#define DEVLINK_PARAM_GENERIC_NUM_DOORBELLS_TYPE DEVLINK_PARAM_TYPE_U32
626
627#define DEVLINK_PARAM_GENERIC_MAX_MAC_PER_VF_NAME "max_mac_per_vf"
628#define DEVLINK_PARAM_GENERIC_MAX_MAC_PER_VF_TYPE DEVLINK_PARAM_TYPE_U32
629
630#define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate) \
631{ \
632 .id = DEVLINK_PARAM_GENERIC_ID_##_id, \
633 .name = DEVLINK_PARAM_GENERIC_##_id##_NAME, \
634 .type = DEVLINK_PARAM_GENERIC_##_id##_TYPE, \
635 .generic = true, \
636 .supported_cmodes = _cmodes, \
637 .get = _get, \
638 .set = _set, \
639 .validate = _validate, \
640}
641
642#define DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, _get, _set, _validate) \
643{ \
644 .id = _id, \
645 .name = _name, \
646 .type = _type, \
647 .supported_cmodes = _cmodes, \
648 .get = _get, \
649 .set = _set, \
650 .validate = _validate, \
651}
652
653#define DEVLINK_PARAM_GENERIC_WITH_DEFAULTS(_id, _cmodes, _get, _set, \
654 _validate, _get_default, \
655 _reset_default) \
656{ \
657 .id = DEVLINK_PARAM_GENERIC_ID_##_id, \
658 .name = DEVLINK_PARAM_GENERIC_##_id##_NAME, \
659 .type = DEVLINK_PARAM_GENERIC_##_id##_TYPE, \
660 .generic = true, \
661 .supported_cmodes = _cmodes, \
662 .get = _get, \
663 .set = _set, \
664 .validate = _validate, \
665 .get_default = _get_default, \
666 .reset_default = _reset_default, \
667}
668
669#define DEVLINK_PARAM_DRIVER_WITH_DEFAULTS(_id, _name, _type, _cmodes, \
670 _get, _set, _validate, \
671 _get_default, _reset_default) \
672{ \
673 .id = _id, \
674 .name = _name, \
675 .type = _type, \
676 .supported_cmodes = _cmodes, \
677 .get = _get, \
678 .set = _set, \
679 .validate = _validate, \
680 .get_default = _get_default, \
681 .reset_default = _reset_default, \
682}
683
684/* Identifier of board design */
685#define DEVLINK_INFO_VERSION_GENERIC_BOARD_ID "board.id"
686/* Revision of board design */
687#define DEVLINK_INFO_VERSION_GENERIC_BOARD_REV "board.rev"
688/* Maker of the board */
689#define DEVLINK_INFO_VERSION_GENERIC_BOARD_MANUFACTURE "board.manufacture"
690/* Part number of the board and its components */
691#define DEVLINK_INFO_VERSION_GENERIC_BOARD_PART_NUMBER "board.part_number"
692
693/* Part number, identifier of asic design */
694#define DEVLINK_INFO_VERSION_GENERIC_ASIC_ID "asic.id"
695/* Revision of asic design */
696#define DEVLINK_INFO_VERSION_GENERIC_ASIC_REV "asic.rev"
697
698/* Overall FW version */
699#define DEVLINK_INFO_VERSION_GENERIC_FW "fw"
700/* Control processor FW version */
701#define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT "fw.mgmt"
702/* FW interface specification version */
703#define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT_API "fw.mgmt.api"
704/* Data path microcode controlling high-speed packet processing */
705#define DEVLINK_INFO_VERSION_GENERIC_FW_APP "fw.app"
706/* UNDI software version */
707#define DEVLINK_INFO_VERSION_GENERIC_FW_UNDI "fw.undi"
708/* NCSI support/handler version */
709#define DEVLINK_INFO_VERSION_GENERIC_FW_NCSI "fw.ncsi"
710/* FW parameter set id */
711#define DEVLINK_INFO_VERSION_GENERIC_FW_PSID "fw.psid"
712/* RoCE FW version */
713#define DEVLINK_INFO_VERSION_GENERIC_FW_ROCE "fw.roce"
714/* Firmware bundle identifier */
715#define DEVLINK_INFO_VERSION_GENERIC_FW_BUNDLE_ID "fw.bundle_id"
716/* Bootloader */
717#define DEVLINK_INFO_VERSION_GENERIC_FW_BOOTLOADER "fw.bootloader"
718
719/**
720 * struct devlink_flash_update_params - Flash Update parameters
721 * @fw: pointer to the firmware data to update from
722 * @component: the flash component to update
723 * @overwrite_mask: which types of flash update are supported (may be %0)
724 *
725 * With the exception of fw, drivers must opt-in to parameters by
726 * setting the appropriate bit in the supported_flash_update_params field in
727 * their devlink_ops structure.
728 */
729struct devlink_flash_update_params {
730 const struct firmware *fw;
731 const char *component;
732 u32 overwrite_mask;
733};
734
735#define DEVLINK_SUPPORT_FLASH_UPDATE_OVERWRITE_MASK BIT(0)
736
737struct devlink_region;
738struct devlink_info_req;
739
740/**
741 * struct devlink_region_ops - Region operations
742 * @name: region name
743 * @destructor: callback used to free snapshot memory when deleting
744 * @snapshot: callback to request an immediate snapshot. On success,
745 * the data variable must be updated to point to the snapshot data.
746 * The function will be called while the devlink instance lock is
747 * held.
748 * @read: callback to directly read a portion of the region. On success,
749 * the data pointer will be updated with the contents of the
750 * requested portion of the region. The function will be called
751 * while the devlink instance lock is held.
752 * @priv: Pointer to driver private data for the region operation
753 */
754struct devlink_region_ops {
755 const char *name;
756 void (*destructor)(const void *data);
757 int (*snapshot)(struct devlink *devlink,
758 const struct devlink_region_ops *ops,
759 struct netlink_ext_ack *extack,
760 u8 **data);
761 int (*read)(struct devlink *devlink,
762 const struct devlink_region_ops *ops,
763 struct netlink_ext_ack *extack,
764 u64 offset, u32 size, u8 *data);
765 void *priv;
766};
767
768/**
769 * struct devlink_port_region_ops - Region operations for a port
770 * @name: region name
771 * @destructor: callback used to free snapshot memory when deleting
772 * @snapshot: callback to request an immediate snapshot. On success,
773 * the data variable must be updated to point to the snapshot data.
774 * The function will be called while the devlink instance lock is
775 * held.
776 * @read: callback to directly read a portion of the region. On success,
777 * the data pointer will be updated with the contents of the
778 * requested portion of the region. The function will be called
779 * while the devlink instance lock is held.
780 * @priv: Pointer to driver private data for the region operation
781 */
782struct devlink_port_region_ops {
783 const char *name;
784 void (*destructor)(const void *data);
785 int (*snapshot)(struct devlink_port *port,
786 const struct devlink_port_region_ops *ops,
787 struct netlink_ext_ack *extack,
788 u8 **data);
789 int (*read)(struct devlink_port *port,
790 const struct devlink_port_region_ops *ops,
791 struct netlink_ext_ack *extack,
792 u64 offset, u32 size, u8 *data);
793 void *priv;
794};
795
796struct devlink_fmsg;
797struct devlink_health_reporter;
798
799enum devlink_health_reporter_state {
800 DEVLINK_HEALTH_REPORTER_STATE_HEALTHY,
801 DEVLINK_HEALTH_REPORTER_STATE_ERROR,
802};
803
804/**
805 * struct devlink_health_reporter_ops - Reporter operations
806 * @name: reporter name
807 * @recover: callback to recover from reported error
808 * if priv_ctx is NULL, run a full recover
809 * @dump: callback to dump an object
810 * if priv_ctx is NULL, run a full dump
811 * @diagnose: callback to diagnose the current status
812 * @test: callback to trigger a test event
813 * @default_graceful_period: default min time (in msec)
814 * between recovery attempts
815 * @default_burst_period: default time (in msec) for
816 * error recoveries before starting the grace period
817 */
818
819struct devlink_health_reporter_ops {
820 char *name;
821 int (*recover)(struct devlink_health_reporter *reporter,
822 void *priv_ctx, struct netlink_ext_ack *extack);
823 int (*dump)(struct devlink_health_reporter *reporter,
824 struct devlink_fmsg *fmsg, void *priv_ctx,
825 struct netlink_ext_ack *extack);
826 int (*diagnose)(struct devlink_health_reporter *reporter,
827 struct devlink_fmsg *fmsg,
828 struct netlink_ext_ack *extack);
829 int (*test)(struct devlink_health_reporter *reporter,
830 struct netlink_ext_ack *extack);
831 u64 default_graceful_period;
832 u64 default_burst_period;
833};
834
835/**
836 * struct devlink_trap_metadata - Packet trap metadata.
837 * @trap_name: Trap name.
838 * @trap_group_name: Trap group name.
839 * @input_dev: Input netdevice.
840 * @dev_tracker: refcount tracker for @input_dev.
841 * @fa_cookie: Flow action user cookie.
842 * @trap_type: Trap type.
843 */
844struct devlink_trap_metadata {
845 const char *trap_name;
846 const char *trap_group_name;
847
848 struct net_device *input_dev;
849 netdevice_tracker dev_tracker;
850
851 const struct flow_action_cookie *fa_cookie;
852 enum devlink_trap_type trap_type;
853};
854
855/**
856 * struct devlink_trap_policer - Immutable packet trap policer attributes.
857 * @id: Policer identifier.
858 * @init_rate: Initial rate in packets / sec.
859 * @init_burst: Initial burst size in packets.
860 * @max_rate: Maximum rate.
861 * @min_rate: Minimum rate.
862 * @max_burst: Maximum burst size.
863 * @min_burst: Minimum burst size.
864 *
865 * Describes immutable attributes of packet trap policers that drivers register
866 * with devlink.
867 */
868struct devlink_trap_policer {
869 u32 id;
870 u64 init_rate;
871 u64 init_burst;
872 u64 max_rate;
873 u64 min_rate;
874 u64 max_burst;
875 u64 min_burst;
876};
877
878/**
879 * struct devlink_trap_group - Immutable packet trap group attributes.
880 * @name: Trap group name.
881 * @id: Trap group identifier.
882 * @generic: Whether the trap group is generic or not.
883 * @init_policer_id: Initial policer identifier.
884 *
885 * Describes immutable attributes of packet trap groups that drivers register
886 * with devlink.
887 */
888struct devlink_trap_group {
889 const char *name;
890 u16 id;
891 bool generic;
892 u32 init_policer_id;
893};
894
895#define DEVLINK_TRAP_METADATA_TYPE_F_IN_PORT BIT(0)
896#define DEVLINK_TRAP_METADATA_TYPE_F_FA_COOKIE BIT(1)
897
898/**
899 * struct devlink_trap - Immutable packet trap attributes.
900 * @type: Trap type.
901 * @init_action: Initial trap action.
902 * @generic: Whether the trap is generic or not.
903 * @id: Trap identifier.
904 * @name: Trap name.
905 * @init_group_id: Initial group identifier.
906 * @metadata_cap: Metadata types that can be provided by the trap.
907 *
908 * Describes immutable attributes of packet traps that drivers register with
909 * devlink.
910 */
911struct devlink_trap {
912 enum devlink_trap_type type;
913 enum devlink_trap_action init_action;
914 bool generic;
915 u16 id;
916 const char *name;
917 u16 init_group_id;
918 u32 metadata_cap;
919};
920
921/* All traps must be documented in
922 * Documentation/networking/devlink/devlink-trap.rst
923 */
924enum devlink_trap_generic_id {
925 DEVLINK_TRAP_GENERIC_ID_SMAC_MC,
926 DEVLINK_TRAP_GENERIC_ID_VLAN_TAG_MISMATCH,
927 DEVLINK_TRAP_GENERIC_ID_INGRESS_VLAN_FILTER,
928 DEVLINK_TRAP_GENERIC_ID_INGRESS_STP_FILTER,
929 DEVLINK_TRAP_GENERIC_ID_EMPTY_TX_LIST,
930 DEVLINK_TRAP_GENERIC_ID_PORT_LOOPBACK_FILTER,
931 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_ROUTE,
932 DEVLINK_TRAP_GENERIC_ID_TTL_ERROR,
933 DEVLINK_TRAP_GENERIC_ID_TAIL_DROP,
934 DEVLINK_TRAP_GENERIC_ID_NON_IP_PACKET,
935 DEVLINK_TRAP_GENERIC_ID_UC_DIP_MC_DMAC,
936 DEVLINK_TRAP_GENERIC_ID_DIP_LB,
937 DEVLINK_TRAP_GENERIC_ID_SIP_MC,
938 DEVLINK_TRAP_GENERIC_ID_SIP_LB,
939 DEVLINK_TRAP_GENERIC_ID_CORRUPTED_IP_HDR,
940 DEVLINK_TRAP_GENERIC_ID_IPV4_SIP_BC,
941 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_RESERVED_SCOPE,
942 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE,
943 DEVLINK_TRAP_GENERIC_ID_MTU_ERROR,
944 DEVLINK_TRAP_GENERIC_ID_UNRESOLVED_NEIGH,
945 DEVLINK_TRAP_GENERIC_ID_RPF,
946 DEVLINK_TRAP_GENERIC_ID_REJECT_ROUTE,
947 DEVLINK_TRAP_GENERIC_ID_IPV4_LPM_UNICAST_MISS,
948 DEVLINK_TRAP_GENERIC_ID_IPV6_LPM_UNICAST_MISS,
949 DEVLINK_TRAP_GENERIC_ID_NON_ROUTABLE,
950 DEVLINK_TRAP_GENERIC_ID_DECAP_ERROR,
951 DEVLINK_TRAP_GENERIC_ID_OVERLAY_SMAC_MC,
952 DEVLINK_TRAP_GENERIC_ID_INGRESS_FLOW_ACTION_DROP,
953 DEVLINK_TRAP_GENERIC_ID_EGRESS_FLOW_ACTION_DROP,
954 DEVLINK_TRAP_GENERIC_ID_STP,
955 DEVLINK_TRAP_GENERIC_ID_LACP,
956 DEVLINK_TRAP_GENERIC_ID_LLDP,
957 DEVLINK_TRAP_GENERIC_ID_IGMP_QUERY,
958 DEVLINK_TRAP_GENERIC_ID_IGMP_V1_REPORT,
959 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_REPORT,
960 DEVLINK_TRAP_GENERIC_ID_IGMP_V3_REPORT,
961 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_LEAVE,
962 DEVLINK_TRAP_GENERIC_ID_MLD_QUERY,
963 DEVLINK_TRAP_GENERIC_ID_MLD_V1_REPORT,
964 DEVLINK_TRAP_GENERIC_ID_MLD_V2_REPORT,
965 DEVLINK_TRAP_GENERIC_ID_MLD_V1_DONE,
966 DEVLINK_TRAP_GENERIC_ID_IPV4_DHCP,
967 DEVLINK_TRAP_GENERIC_ID_IPV6_DHCP,
968 DEVLINK_TRAP_GENERIC_ID_ARP_REQUEST,
969 DEVLINK_TRAP_GENERIC_ID_ARP_RESPONSE,
970 DEVLINK_TRAP_GENERIC_ID_ARP_OVERLAY,
971 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_SOLICIT,
972 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_ADVERT,
973 DEVLINK_TRAP_GENERIC_ID_IPV4_BFD,
974 DEVLINK_TRAP_GENERIC_ID_IPV6_BFD,
975 DEVLINK_TRAP_GENERIC_ID_IPV4_OSPF,
976 DEVLINK_TRAP_GENERIC_ID_IPV6_OSPF,
977 DEVLINK_TRAP_GENERIC_ID_IPV4_BGP,
978 DEVLINK_TRAP_GENERIC_ID_IPV6_BGP,
979 DEVLINK_TRAP_GENERIC_ID_IPV4_VRRP,
980 DEVLINK_TRAP_GENERIC_ID_IPV6_VRRP,
981 DEVLINK_TRAP_GENERIC_ID_IPV4_PIM,
982 DEVLINK_TRAP_GENERIC_ID_IPV6_PIM,
983 DEVLINK_TRAP_GENERIC_ID_UC_LB,
984 DEVLINK_TRAP_GENERIC_ID_LOCAL_ROUTE,
985 DEVLINK_TRAP_GENERIC_ID_EXTERNAL_ROUTE,
986 DEVLINK_TRAP_GENERIC_ID_IPV6_UC_DIP_LINK_LOCAL_SCOPE,
987 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_NODES,
988 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_ROUTERS,
989 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_SOLICIT,
990 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ADVERT,
991 DEVLINK_TRAP_GENERIC_ID_IPV6_REDIRECT,
992 DEVLINK_TRAP_GENERIC_ID_IPV4_ROUTER_ALERT,
993 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ALERT,
994 DEVLINK_TRAP_GENERIC_ID_PTP_EVENT,
995 DEVLINK_TRAP_GENERIC_ID_PTP_GENERAL,
996 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_SAMPLE,
997 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_TRAP,
998 DEVLINK_TRAP_GENERIC_ID_EARLY_DROP,
999 DEVLINK_TRAP_GENERIC_ID_VXLAN_PARSING,
1000 DEVLINK_TRAP_GENERIC_ID_LLC_SNAP_PARSING,
1001 DEVLINK_TRAP_GENERIC_ID_VLAN_PARSING,
1002 DEVLINK_TRAP_GENERIC_ID_PPPOE_PPP_PARSING,
1003 DEVLINK_TRAP_GENERIC_ID_MPLS_PARSING,
1004 DEVLINK_TRAP_GENERIC_ID_ARP_PARSING,
1005 DEVLINK_TRAP_GENERIC_ID_IP_1_PARSING,
1006 DEVLINK_TRAP_GENERIC_ID_IP_N_PARSING,
1007 DEVLINK_TRAP_GENERIC_ID_GRE_PARSING,
1008 DEVLINK_TRAP_GENERIC_ID_UDP_PARSING,
1009 DEVLINK_TRAP_GENERIC_ID_TCP_PARSING,
1010 DEVLINK_TRAP_GENERIC_ID_IPSEC_PARSING,
1011 DEVLINK_TRAP_GENERIC_ID_SCTP_PARSING,
1012 DEVLINK_TRAP_GENERIC_ID_DCCP_PARSING,
1013 DEVLINK_TRAP_GENERIC_ID_GTP_PARSING,
1014 DEVLINK_TRAP_GENERIC_ID_ESP_PARSING,
1015 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_NEXTHOP,
1016 DEVLINK_TRAP_GENERIC_ID_DMAC_FILTER,
1017 DEVLINK_TRAP_GENERIC_ID_EAPOL,
1018 DEVLINK_TRAP_GENERIC_ID_LOCKED_PORT,
1019
1020 /* Add new generic trap IDs above */
1021 __DEVLINK_TRAP_GENERIC_ID_MAX,
1022 DEVLINK_TRAP_GENERIC_ID_MAX = __DEVLINK_TRAP_GENERIC_ID_MAX - 1,
1023};
1024
1025/* All trap groups must be documented in
1026 * Documentation/networking/devlink/devlink-trap.rst
1027 */
1028enum devlink_trap_group_generic_id {
1029 DEVLINK_TRAP_GROUP_GENERIC_ID_L2_DROPS,
1030 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_DROPS,
1031 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_EXCEPTIONS,
1032 DEVLINK_TRAP_GROUP_GENERIC_ID_BUFFER_DROPS,
1033 DEVLINK_TRAP_GROUP_GENERIC_ID_TUNNEL_DROPS,
1034 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_DROPS,
1035 DEVLINK_TRAP_GROUP_GENERIC_ID_STP,
1036 DEVLINK_TRAP_GROUP_GENERIC_ID_LACP,
1037 DEVLINK_TRAP_GROUP_GENERIC_ID_LLDP,
1038 DEVLINK_TRAP_GROUP_GENERIC_ID_MC_SNOOPING,
1039 DEVLINK_TRAP_GROUP_GENERIC_ID_DHCP,
1040 DEVLINK_TRAP_GROUP_GENERIC_ID_NEIGH_DISCOVERY,
1041 DEVLINK_TRAP_GROUP_GENERIC_ID_BFD,
1042 DEVLINK_TRAP_GROUP_GENERIC_ID_OSPF,
1043 DEVLINK_TRAP_GROUP_GENERIC_ID_BGP,
1044 DEVLINK_TRAP_GROUP_GENERIC_ID_VRRP,
1045 DEVLINK_TRAP_GROUP_GENERIC_ID_PIM,
1046 DEVLINK_TRAP_GROUP_GENERIC_ID_UC_LB,
1047 DEVLINK_TRAP_GROUP_GENERIC_ID_LOCAL_DELIVERY,
1048 DEVLINK_TRAP_GROUP_GENERIC_ID_EXTERNAL_DELIVERY,
1049 DEVLINK_TRAP_GROUP_GENERIC_ID_IPV6,
1050 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_EVENT,
1051 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_GENERAL,
1052 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_SAMPLE,
1053 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_TRAP,
1054 DEVLINK_TRAP_GROUP_GENERIC_ID_PARSER_ERROR_DROPS,
1055 DEVLINK_TRAP_GROUP_GENERIC_ID_EAPOL,
1056
1057 /* Add new generic trap group IDs above */
1058 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX,
1059 DEVLINK_TRAP_GROUP_GENERIC_ID_MAX =
1060 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX - 1,
1061};
1062
1063#define DEVLINK_TRAP_GENERIC_NAME_SMAC_MC \
1064 "source_mac_is_multicast"
1065#define DEVLINK_TRAP_GENERIC_NAME_VLAN_TAG_MISMATCH \
1066 "vlan_tag_mismatch"
1067#define DEVLINK_TRAP_GENERIC_NAME_INGRESS_VLAN_FILTER \
1068 "ingress_vlan_filter"
1069#define DEVLINK_TRAP_GENERIC_NAME_INGRESS_STP_FILTER \
1070 "ingress_spanning_tree_filter"
1071#define DEVLINK_TRAP_GENERIC_NAME_EMPTY_TX_LIST \
1072 "port_list_is_empty"
1073#define DEVLINK_TRAP_GENERIC_NAME_PORT_LOOPBACK_FILTER \
1074 "port_loopback_filter"
1075#define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_ROUTE \
1076 "blackhole_route"
1077#define DEVLINK_TRAP_GENERIC_NAME_TTL_ERROR \
1078 "ttl_value_is_too_small"
1079#define DEVLINK_TRAP_GENERIC_NAME_TAIL_DROP \
1080 "tail_drop"
1081#define DEVLINK_TRAP_GENERIC_NAME_NON_IP_PACKET \
1082 "non_ip"
1083#define DEVLINK_TRAP_GENERIC_NAME_UC_DIP_MC_DMAC \
1084 "uc_dip_over_mc_dmac"
1085#define DEVLINK_TRAP_GENERIC_NAME_DIP_LB \
1086 "dip_is_loopback_address"
1087#define DEVLINK_TRAP_GENERIC_NAME_SIP_MC \
1088 "sip_is_mc"
1089#define DEVLINK_TRAP_GENERIC_NAME_SIP_LB \
1090 "sip_is_loopback_address"
1091#define DEVLINK_TRAP_GENERIC_NAME_CORRUPTED_IP_HDR \
1092 "ip_header_corrupted"
1093#define DEVLINK_TRAP_GENERIC_NAME_IPV4_SIP_BC \
1094 "ipv4_sip_is_limited_bc"
1095#define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_RESERVED_SCOPE \
1096 "ipv6_mc_dip_reserved_scope"
1097#define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE \
1098 "ipv6_mc_dip_interface_local_scope"
1099#define DEVLINK_TRAP_GENERIC_NAME_MTU_ERROR \
1100 "mtu_value_is_too_small"
1101#define DEVLINK_TRAP_GENERIC_NAME_UNRESOLVED_NEIGH \
1102 "unresolved_neigh"
1103#define DEVLINK_TRAP_GENERIC_NAME_RPF \
1104 "mc_reverse_path_forwarding"
1105#define DEVLINK_TRAP_GENERIC_NAME_REJECT_ROUTE \
1106 "reject_route"
1107#define DEVLINK_TRAP_GENERIC_NAME_IPV4_LPM_UNICAST_MISS \
1108 "ipv4_lpm_miss"
1109#define DEVLINK_TRAP_GENERIC_NAME_IPV6_LPM_UNICAST_MISS \
1110 "ipv6_lpm_miss"
1111#define DEVLINK_TRAP_GENERIC_NAME_NON_ROUTABLE \
1112 "non_routable_packet"
1113#define DEVLINK_TRAP_GENERIC_NAME_DECAP_ERROR \
1114 "decap_error"
1115#define DEVLINK_TRAP_GENERIC_NAME_OVERLAY_SMAC_MC \
1116 "overlay_smac_is_mc"
1117#define DEVLINK_TRAP_GENERIC_NAME_INGRESS_FLOW_ACTION_DROP \
1118 "ingress_flow_action_drop"
1119#define DEVLINK_TRAP_GENERIC_NAME_EGRESS_FLOW_ACTION_DROP \
1120 "egress_flow_action_drop"
1121#define DEVLINK_TRAP_GENERIC_NAME_STP \
1122 "stp"
1123#define DEVLINK_TRAP_GENERIC_NAME_LACP \
1124 "lacp"
1125#define DEVLINK_TRAP_GENERIC_NAME_LLDP \
1126 "lldp"
1127#define DEVLINK_TRAP_GENERIC_NAME_IGMP_QUERY \
1128 "igmp_query"
1129#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V1_REPORT \
1130 "igmp_v1_report"
1131#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_REPORT \
1132 "igmp_v2_report"
1133#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V3_REPORT \
1134 "igmp_v3_report"
1135#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_LEAVE \
1136 "igmp_v2_leave"
1137#define DEVLINK_TRAP_GENERIC_NAME_MLD_QUERY \
1138 "mld_query"
1139#define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_REPORT \
1140 "mld_v1_report"
1141#define DEVLINK_TRAP_GENERIC_NAME_MLD_V2_REPORT \
1142 "mld_v2_report"
1143#define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_DONE \
1144 "mld_v1_done"
1145#define DEVLINK_TRAP_GENERIC_NAME_IPV4_DHCP \
1146 "ipv4_dhcp"
1147#define DEVLINK_TRAP_GENERIC_NAME_IPV6_DHCP \
1148 "ipv6_dhcp"
1149#define DEVLINK_TRAP_GENERIC_NAME_ARP_REQUEST \
1150 "arp_request"
1151#define DEVLINK_TRAP_GENERIC_NAME_ARP_RESPONSE \
1152 "arp_response"
1153#define DEVLINK_TRAP_GENERIC_NAME_ARP_OVERLAY \
1154 "arp_overlay"
1155#define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_SOLICIT \
1156 "ipv6_neigh_solicit"
1157#define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_ADVERT \
1158 "ipv6_neigh_advert"
1159#define DEVLINK_TRAP_GENERIC_NAME_IPV4_BFD \
1160 "ipv4_bfd"
1161#define DEVLINK_TRAP_GENERIC_NAME_IPV6_BFD \
1162 "ipv6_bfd"
1163#define DEVLINK_TRAP_GENERIC_NAME_IPV4_OSPF \
1164 "ipv4_ospf"
1165#define DEVLINK_TRAP_GENERIC_NAME_IPV6_OSPF \
1166 "ipv6_ospf"
1167#define DEVLINK_TRAP_GENERIC_NAME_IPV4_BGP \
1168 "ipv4_bgp"
1169#define DEVLINK_TRAP_GENERIC_NAME_IPV6_BGP \
1170 "ipv6_bgp"
1171#define DEVLINK_TRAP_GENERIC_NAME_IPV4_VRRP \
1172 "ipv4_vrrp"
1173#define DEVLINK_TRAP_GENERIC_NAME_IPV6_VRRP \
1174 "ipv6_vrrp"
1175#define DEVLINK_TRAP_GENERIC_NAME_IPV4_PIM \
1176 "ipv4_pim"
1177#define DEVLINK_TRAP_GENERIC_NAME_IPV6_PIM \
1178 "ipv6_pim"
1179#define DEVLINK_TRAP_GENERIC_NAME_UC_LB \
1180 "uc_loopback"
1181#define DEVLINK_TRAP_GENERIC_NAME_LOCAL_ROUTE \
1182 "local_route"
1183#define DEVLINK_TRAP_GENERIC_NAME_EXTERNAL_ROUTE \
1184 "external_route"
1185#define DEVLINK_TRAP_GENERIC_NAME_IPV6_UC_DIP_LINK_LOCAL_SCOPE \
1186 "ipv6_uc_dip_link_local_scope"
1187#define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_NODES \
1188 "ipv6_dip_all_nodes"
1189#define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_ROUTERS \
1190 "ipv6_dip_all_routers"
1191#define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_SOLICIT \
1192 "ipv6_router_solicit"
1193#define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ADVERT \
1194 "ipv6_router_advert"
1195#define DEVLINK_TRAP_GENERIC_NAME_IPV6_REDIRECT \
1196 "ipv6_redirect"
1197#define DEVLINK_TRAP_GENERIC_NAME_IPV4_ROUTER_ALERT \
1198 "ipv4_router_alert"
1199#define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ALERT \
1200 "ipv6_router_alert"
1201#define DEVLINK_TRAP_GENERIC_NAME_PTP_EVENT \
1202 "ptp_event"
1203#define DEVLINK_TRAP_GENERIC_NAME_PTP_GENERAL \
1204 "ptp_general"
1205#define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_SAMPLE \
1206 "flow_action_sample"
1207#define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_TRAP \
1208 "flow_action_trap"
1209#define DEVLINK_TRAP_GENERIC_NAME_EARLY_DROP \
1210 "early_drop"
1211#define DEVLINK_TRAP_GENERIC_NAME_VXLAN_PARSING \
1212 "vxlan_parsing"
1213#define DEVLINK_TRAP_GENERIC_NAME_LLC_SNAP_PARSING \
1214 "llc_snap_parsing"
1215#define DEVLINK_TRAP_GENERIC_NAME_VLAN_PARSING \
1216 "vlan_parsing"
1217#define DEVLINK_TRAP_GENERIC_NAME_PPPOE_PPP_PARSING \
1218 "pppoe_ppp_parsing"
1219#define DEVLINK_TRAP_GENERIC_NAME_MPLS_PARSING \
1220 "mpls_parsing"
1221#define DEVLINK_TRAP_GENERIC_NAME_ARP_PARSING \
1222 "arp_parsing"
1223#define DEVLINK_TRAP_GENERIC_NAME_IP_1_PARSING \
1224 "ip_1_parsing"
1225#define DEVLINK_TRAP_GENERIC_NAME_IP_N_PARSING \
1226 "ip_n_parsing"
1227#define DEVLINK_TRAP_GENERIC_NAME_GRE_PARSING \
1228 "gre_parsing"
1229#define DEVLINK_TRAP_GENERIC_NAME_UDP_PARSING \
1230 "udp_parsing"
1231#define DEVLINK_TRAP_GENERIC_NAME_TCP_PARSING \
1232 "tcp_parsing"
1233#define DEVLINK_TRAP_GENERIC_NAME_IPSEC_PARSING \
1234 "ipsec_parsing"
1235#define DEVLINK_TRAP_GENERIC_NAME_SCTP_PARSING \
1236 "sctp_parsing"
1237#define DEVLINK_TRAP_GENERIC_NAME_DCCP_PARSING \
1238 "dccp_parsing"
1239#define DEVLINK_TRAP_GENERIC_NAME_GTP_PARSING \
1240 "gtp_parsing"
1241#define DEVLINK_TRAP_GENERIC_NAME_ESP_PARSING \
1242 "esp_parsing"
1243#define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_NEXTHOP \
1244 "blackhole_nexthop"
1245#define DEVLINK_TRAP_GENERIC_NAME_DMAC_FILTER \
1246 "dmac_filter"
1247#define DEVLINK_TRAP_GENERIC_NAME_EAPOL \
1248 "eapol"
1249#define DEVLINK_TRAP_GENERIC_NAME_LOCKED_PORT \
1250 "locked_port"
1251
1252#define DEVLINK_TRAP_GROUP_GENERIC_NAME_L2_DROPS \
1253 "l2_drops"
1254#define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_DROPS \
1255 "l3_drops"
1256#define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_EXCEPTIONS \
1257 "l3_exceptions"
1258#define DEVLINK_TRAP_GROUP_GENERIC_NAME_BUFFER_DROPS \
1259 "buffer_drops"
1260#define DEVLINK_TRAP_GROUP_GENERIC_NAME_TUNNEL_DROPS \
1261 "tunnel_drops"
1262#define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_DROPS \
1263 "acl_drops"
1264#define DEVLINK_TRAP_GROUP_GENERIC_NAME_STP \
1265 "stp"
1266#define DEVLINK_TRAP_GROUP_GENERIC_NAME_LACP \
1267 "lacp"
1268#define DEVLINK_TRAP_GROUP_GENERIC_NAME_LLDP \
1269 "lldp"
1270#define DEVLINK_TRAP_GROUP_GENERIC_NAME_MC_SNOOPING \
1271 "mc_snooping"
1272#define DEVLINK_TRAP_GROUP_GENERIC_NAME_DHCP \
1273 "dhcp"
1274#define DEVLINK_TRAP_GROUP_GENERIC_NAME_NEIGH_DISCOVERY \
1275 "neigh_discovery"
1276#define DEVLINK_TRAP_GROUP_GENERIC_NAME_BFD \
1277 "bfd"
1278#define DEVLINK_TRAP_GROUP_GENERIC_NAME_OSPF \
1279 "ospf"
1280#define DEVLINK_TRAP_GROUP_GENERIC_NAME_BGP \
1281 "bgp"
1282#define DEVLINK_TRAP_GROUP_GENERIC_NAME_VRRP \
1283 "vrrp"
1284#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PIM \
1285 "pim"
1286#define DEVLINK_TRAP_GROUP_GENERIC_NAME_UC_LB \
1287 "uc_loopback"
1288#define DEVLINK_TRAP_GROUP_GENERIC_NAME_LOCAL_DELIVERY \
1289 "local_delivery"
1290#define DEVLINK_TRAP_GROUP_GENERIC_NAME_EXTERNAL_DELIVERY \
1291 "external_delivery"
1292#define DEVLINK_TRAP_GROUP_GENERIC_NAME_IPV6 \
1293 "ipv6"
1294#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_EVENT \
1295 "ptp_event"
1296#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_GENERAL \
1297 "ptp_general"
1298#define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_SAMPLE \
1299 "acl_sample"
1300#define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_TRAP \
1301 "acl_trap"
1302#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PARSER_ERROR_DROPS \
1303 "parser_error_drops"
1304#define DEVLINK_TRAP_GROUP_GENERIC_NAME_EAPOL \
1305 "eapol"
1306
1307#define DEVLINK_TRAP_GENERIC(_type, _init_action, _id, _group_id, \
1308 _metadata_cap) \
1309 { \
1310 .type = DEVLINK_TRAP_TYPE_##_type, \
1311 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \
1312 .generic = true, \
1313 .id = DEVLINK_TRAP_GENERIC_ID_##_id, \
1314 .name = DEVLINK_TRAP_GENERIC_NAME_##_id, \
1315 .init_group_id = _group_id, \
1316 .metadata_cap = _metadata_cap, \
1317 }
1318
1319#define DEVLINK_TRAP_DRIVER(_type, _init_action, _id, _name, _group_id, \
1320 _metadata_cap) \
1321 { \
1322 .type = DEVLINK_TRAP_TYPE_##_type, \
1323 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \
1324 .generic = false, \
1325 .id = _id, \
1326 .name = _name, \
1327 .init_group_id = _group_id, \
1328 .metadata_cap = _metadata_cap, \
1329 }
1330
1331#define DEVLINK_TRAP_GROUP_GENERIC(_id, _policer_id) \
1332 { \
1333 .name = DEVLINK_TRAP_GROUP_GENERIC_NAME_##_id, \
1334 .id = DEVLINK_TRAP_GROUP_GENERIC_ID_##_id, \
1335 .generic = true, \
1336 .init_policer_id = _policer_id, \
1337 }
1338
1339#define DEVLINK_TRAP_POLICER(_id, _rate, _burst, _max_rate, _min_rate, \
1340 _max_burst, _min_burst) \
1341 { \
1342 .id = _id, \
1343 .init_rate = _rate, \
1344 .init_burst = _burst, \
1345 .max_rate = _max_rate, \
1346 .min_rate = _min_rate, \
1347 .max_burst = _max_burst, \
1348 .min_burst = _min_burst, \
1349 }
1350
1351#define devlink_fmsg_put(fmsg, name, value) ( \
1352 _Generic((value), \
1353 bool : devlink_fmsg_bool_pair_put, \
1354 u8 : devlink_fmsg_u8_pair_put, \
1355 u16 : devlink_fmsg_u32_pair_put, \
1356 u32 : devlink_fmsg_u32_pair_put, \
1357 u64 : devlink_fmsg_u64_pair_put, \
1358 int : devlink_fmsg_u32_pair_put, \
1359 char * : devlink_fmsg_string_pair_put, \
1360 const char * : devlink_fmsg_string_pair_put) \
1361 (fmsg, name, (value)))
1362
1363enum {
1364 /* device supports reload operations */
1365 DEVLINK_F_RELOAD = 1UL << 0,
1366};
1367
1368struct devlink_ops {
1369 /**
1370 * @supported_flash_update_params:
1371 * mask of parameters supported by the driver's .flash_update
1372 * implementation.
1373 */
1374 u32 supported_flash_update_params;
1375 unsigned long reload_actions;
1376 unsigned long reload_limits;
1377 int (*reload_down)(struct devlink *devlink, bool netns_change,
1378 enum devlink_reload_action action,
1379 enum devlink_reload_limit limit,
1380 struct netlink_ext_ack *extack);
1381 int (*reload_up)(struct devlink *devlink, enum devlink_reload_action action,
1382 enum devlink_reload_limit limit, u32 *actions_performed,
1383 struct netlink_ext_ack *extack);
1384 int (*sb_pool_get)(struct devlink *devlink, unsigned int sb_index,
1385 u16 pool_index,
1386 struct devlink_sb_pool_info *pool_info);
1387 int (*sb_pool_set)(struct devlink *devlink, unsigned int sb_index,
1388 u16 pool_index, u32 size,
1389 enum devlink_sb_threshold_type threshold_type,
1390 struct netlink_ext_ack *extack);
1391 int (*sb_port_pool_get)(struct devlink_port *devlink_port,
1392 unsigned int sb_index, u16 pool_index,
1393 u32 *p_threshold);
1394 int (*sb_port_pool_set)(struct devlink_port *devlink_port,
1395 unsigned int sb_index, u16 pool_index,
1396 u32 threshold, struct netlink_ext_ack *extack);
1397 int (*sb_tc_pool_bind_get)(struct devlink_port *devlink_port,
1398 unsigned int sb_index,
1399 u16 tc_index,
1400 enum devlink_sb_pool_type pool_type,
1401 u16 *p_pool_index, u32 *p_threshold);
1402 int (*sb_tc_pool_bind_set)(struct devlink_port *devlink_port,
1403 unsigned int sb_index,
1404 u16 tc_index,
1405 enum devlink_sb_pool_type pool_type,
1406 u16 pool_index, u32 threshold,
1407 struct netlink_ext_ack *extack);
1408 int (*sb_occ_snapshot)(struct devlink *devlink,
1409 unsigned int sb_index);
1410 int (*sb_occ_max_clear)(struct devlink *devlink,
1411 unsigned int sb_index);
1412 int (*sb_occ_port_pool_get)(struct devlink_port *devlink_port,
1413 unsigned int sb_index, u16 pool_index,
1414 u32 *p_cur, u32 *p_max);
1415 int (*sb_occ_tc_port_bind_get)(struct devlink_port *devlink_port,
1416 unsigned int sb_index,
1417 u16 tc_index,
1418 enum devlink_sb_pool_type pool_type,
1419 u32 *p_cur, u32 *p_max);
1420
1421 int (*eswitch_mode_get)(struct devlink *devlink, u16 *p_mode);
1422 int (*eswitch_mode_set)(struct devlink *devlink, u16 mode,
1423 struct netlink_ext_ack *extack);
1424 int (*eswitch_inline_mode_get)(struct devlink *devlink, u8 *p_inline_mode);
1425 int (*eswitch_inline_mode_set)(struct devlink *devlink, u8 inline_mode,
1426 struct netlink_ext_ack *extack);
1427 int (*eswitch_encap_mode_get)(struct devlink *devlink,
1428 enum devlink_eswitch_encap_mode *p_encap_mode);
1429 int (*eswitch_encap_mode_set)(struct devlink *devlink,
1430 enum devlink_eswitch_encap_mode encap_mode,
1431 struct netlink_ext_ack *extack);
1432 int (*info_get)(struct devlink *devlink, struct devlink_info_req *req,
1433 struct netlink_ext_ack *extack);
1434 /**
1435 * @flash_update: Device flash update function
1436 *
1437 * Used to perform a flash update for the device. The set of
1438 * parameters supported by the driver should be set in
1439 * supported_flash_update_params.
1440 */
1441 int (*flash_update)(struct devlink *devlink,
1442 struct devlink_flash_update_params *params,
1443 struct netlink_ext_ack *extack);
1444 /**
1445 * @trap_init: Trap initialization function.
1446 *
1447 * Should be used by device drivers to initialize the trap in the
1448 * underlying device. Drivers should also store the provided trap
1449 * context, so that they could efficiently pass it to
1450 * devlink_trap_report() when the trap is triggered.
1451 */
1452 int (*trap_init)(struct devlink *devlink,
1453 const struct devlink_trap *trap, void *trap_ctx);
1454 /**
1455 * @trap_fini: Trap de-initialization function.
1456 *
1457 * Should be used by device drivers to de-initialize the trap in the
1458 * underlying device.
1459 */
1460 void (*trap_fini)(struct devlink *devlink,
1461 const struct devlink_trap *trap, void *trap_ctx);
1462 /**
1463 * @trap_action_set: Trap action set function.
1464 */
1465 int (*trap_action_set)(struct devlink *devlink,
1466 const struct devlink_trap *trap,
1467 enum devlink_trap_action action,
1468 struct netlink_ext_ack *extack);
1469 /**
1470 * @trap_group_init: Trap group initialization function.
1471 *
1472 * Should be used by device drivers to initialize the trap group in the
1473 * underlying device.
1474 */
1475 int (*trap_group_init)(struct devlink *devlink,
1476 const struct devlink_trap_group *group);
1477 /**
1478 * @trap_group_set: Trap group parameters set function.
1479 *
1480 * Note: @policer can be NULL when a policer is being unbound from
1481 * @group.
1482 */
1483 int (*trap_group_set)(struct devlink *devlink,
1484 const struct devlink_trap_group *group,
1485 const struct devlink_trap_policer *policer,
1486 struct netlink_ext_ack *extack);
1487 /**
1488 * @trap_group_action_set: Trap group action set function.
1489 *
1490 * If this callback is populated, it will take precedence over looping
1491 * over all traps in a group and calling .trap_action_set().
1492 */
1493 int (*trap_group_action_set)(struct devlink *devlink,
1494 const struct devlink_trap_group *group,
1495 enum devlink_trap_action action,
1496 struct netlink_ext_ack *extack);
1497 /**
1498 * @trap_drop_counter_get: Trap drop counter get function.
1499 *
1500 * Should be used by device drivers to report number of packets
1501 * that have been dropped, and cannot be passed to the devlink
1502 * subsystem by the underlying device.
1503 */
1504 int (*trap_drop_counter_get)(struct devlink *devlink,
1505 const struct devlink_trap *trap,
1506 u64 *p_drops);
1507 /**
1508 * @trap_policer_init: Trap policer initialization function.
1509 *
1510 * Should be used by device drivers to initialize the trap policer in
1511 * the underlying device.
1512 */
1513 int (*trap_policer_init)(struct devlink *devlink,
1514 const struct devlink_trap_policer *policer);
1515 /**
1516 * @trap_policer_fini: Trap policer de-initialization function.
1517 *
1518 * Should be used by device drivers to de-initialize the trap policer
1519 * in the underlying device.
1520 */
1521 void (*trap_policer_fini)(struct devlink *devlink,
1522 const struct devlink_trap_policer *policer);
1523 /**
1524 * @trap_policer_set: Trap policer parameters set function.
1525 */
1526 int (*trap_policer_set)(struct devlink *devlink,
1527 const struct devlink_trap_policer *policer,
1528 u64 rate, u64 burst,
1529 struct netlink_ext_ack *extack);
1530 /**
1531 * @trap_policer_counter_get: Trap policer counter get function.
1532 *
1533 * Should be used by device drivers to report number of packets dropped
1534 * by the policer.
1535 */
1536 int (*trap_policer_counter_get)(struct devlink *devlink,
1537 const struct devlink_trap_policer *policer,
1538 u64 *p_drops);
1539 /**
1540 * port_new() - Add a new port function of a specified flavor
1541 * @devlink: Devlink instance
1542 * @attrs: attributes of the new port
1543 * @extack: extack for reporting error messages
1544 * @devlink_port: pointer to store new devlink port pointer
1545 *
1546 * Devlink core will call this device driver function upon user request
1547 * to create a new port function of a specified flavor and optional
1548 * attributes
1549 *
1550 * Notes:
1551 * - On success, drivers must register a port with devlink core
1552 *
1553 * Return: 0 on success, negative value otherwise.
1554 */
1555 int (*port_new)(struct devlink *devlink,
1556 const struct devlink_port_new_attrs *attrs,
1557 struct netlink_ext_ack *extack,
1558 struct devlink_port **devlink_port);
1559
1560 /**
1561 * Rate control callbacks.
1562 */
1563 int (*rate_leaf_tx_share_set)(struct devlink_rate *devlink_rate, void *priv,
1564 u64 tx_share, struct netlink_ext_ack *extack);
1565 int (*rate_leaf_tx_max_set)(struct devlink_rate *devlink_rate, void *priv,
1566 u64 tx_max, struct netlink_ext_ack *extack);
1567 int (*rate_leaf_tx_priority_set)(struct devlink_rate *devlink_rate, void *priv,
1568 u32 tx_priority, struct netlink_ext_ack *extack);
1569 int (*rate_leaf_tx_weight_set)(struct devlink_rate *devlink_rate, void *priv,
1570 u32 tx_weight, struct netlink_ext_ack *extack);
1571 int (*rate_leaf_tc_bw_set)(struct devlink_rate *devlink_rate,
1572 void *priv, u32 *tc_bw,
1573 struct netlink_ext_ack *extack);
1574 int (*rate_node_tx_share_set)(struct devlink_rate *devlink_rate, void *priv,
1575 u64 tx_share, struct netlink_ext_ack *extack);
1576 int (*rate_node_tx_max_set)(struct devlink_rate *devlink_rate, void *priv,
1577 u64 tx_max, struct netlink_ext_ack *extack);
1578 int (*rate_node_tx_priority_set)(struct devlink_rate *devlink_rate, void *priv,
1579 u32 tx_priority, struct netlink_ext_ack *extack);
1580 int (*rate_node_tx_weight_set)(struct devlink_rate *devlink_rate, void *priv,
1581 u32 tx_weight, struct netlink_ext_ack *extack);
1582 int (*rate_node_tc_bw_set)(struct devlink_rate *devlink_rate,
1583 void *priv, u32 *tc_bw,
1584 struct netlink_ext_ack *extack);
1585 int (*rate_node_new)(struct devlink_rate *rate_node, void **priv,
1586 struct netlink_ext_ack *extack);
1587 int (*rate_node_del)(struct devlink_rate *rate_node, void *priv,
1588 struct netlink_ext_ack *extack);
1589 int (*rate_leaf_parent_set)(struct devlink_rate *child,
1590 struct devlink_rate *parent,
1591 void *priv_child, void *priv_parent,
1592 struct netlink_ext_ack *extack);
1593 int (*rate_node_parent_set)(struct devlink_rate *child,
1594 struct devlink_rate *parent,
1595 void *priv_child, void *priv_parent,
1596 struct netlink_ext_ack *extack);
1597 /**
1598 * selftests_check() - queries if selftest is supported
1599 * @devlink: devlink instance
1600 * @id: test index
1601 * @extack: extack for reporting error messages
1602 *
1603 * Return: true if test is supported by the driver
1604 */
1605 bool (*selftest_check)(struct devlink *devlink, unsigned int id,
1606 struct netlink_ext_ack *extack);
1607 /**
1608 * selftest_run() - Runs a selftest
1609 * @devlink: devlink instance
1610 * @id: test index
1611 * @extack: extack for reporting error messages
1612 *
1613 * Return: status of the test
1614 */
1615 enum devlink_selftest_status
1616 (*selftest_run)(struct devlink *devlink, unsigned int id,
1617 struct netlink_ext_ack *extack);
1618};
1619
1620void *devlink_priv(struct devlink *devlink);
1621struct devlink *priv_to_devlink(void *priv);
1622struct device *devlink_to_dev(const struct devlink *devlink);
1623const char *devlink_bus_name(const struct devlink *devlink);
1624const char *devlink_dev_name(const struct devlink *devlink);
1625const char *devlink_dev_driver_name(const struct devlink *devlink);
1626
1627/* Devlink instance explicit locking */
1628void devl_lock(struct devlink *devlink);
1629int devl_trylock(struct devlink *devlink);
1630void devl_unlock(struct devlink *devlink);
1631void devl_assert_locked(struct devlink *devlink);
1632bool devl_lock_is_held(struct devlink *devlink);
1633DEFINE_GUARD(devl, struct devlink *, devl_lock(_T), devl_unlock(_T));
1634
1635struct ib_device;
1636
1637struct net *devlink_net(const struct devlink *devlink);
1638/* This call is intended for software devices that can create
1639 * devlink instances in other namespaces than init_net.
1640 *
1641 * Drivers that operate on real HW must use devlink_alloc() instead.
1642 */
1643struct devlink *devlink_alloc_ns(const struct devlink_ops *ops,
1644 size_t priv_size, struct net *net,
1645 struct device *dev);
1646static inline struct devlink *devlink_alloc(const struct devlink_ops *ops,
1647 size_t priv_size,
1648 struct device *dev)
1649{
1650 return devlink_alloc_ns(ops, priv_size, &init_net, dev);
1651}
1652
1653int devl_register(struct devlink *devlink);
1654void devl_unregister(struct devlink *devlink);
1655void devlink_register(struct devlink *devlink);
1656void devlink_unregister(struct devlink *devlink);
1657void devlink_free(struct devlink *devlink);
1658
1659struct devlink *devlink_shd_get(const char *id,
1660 const struct devlink_ops *ops,
1661 size_t priv_size,
1662 const struct device_driver *driver);
1663void devlink_shd_put(struct devlink *devlink);
1664void *devlink_shd_get_priv(struct devlink *devlink);
1665
1666/**
1667 * struct devlink_port_ops - Port operations
1668 * @port_split: Callback used to split the port into multiple ones.
1669 * @port_unsplit: Callback used to unsplit the port group back into
1670 * a single port.
1671 * @port_type_set: Callback used to set a type of a port.
1672 * @port_del: Callback used to delete selected port along with related function.
1673 * Devlink core calls this upon user request to delete
1674 * a port previously created by devlink_ops->port_new().
1675 * @port_fn_hw_addr_get: Callback used to set port function's hardware address.
1676 * Should be used by device drivers to report
1677 * the hardware address of a function managed
1678 * by the devlink port.
1679 * @port_fn_hw_addr_set: Callback used to set port function's hardware address.
1680 * Should be used by device drivers to set the hardware
1681 * address of a function managed by the devlink port.
1682 * @port_fn_roce_get: Callback used to get port function's RoCE capability.
1683 * Should be used by device drivers to report
1684 * the current state of RoCE capability of a function
1685 * managed by the devlink port.
1686 * @port_fn_roce_set: Callback used to set port function's RoCE capability.
1687 * Should be used by device drivers to enable/disable
1688 * RoCE capability of a function managed
1689 * by the devlink port.
1690 * @port_fn_migratable_get: Callback used to get port function's migratable
1691 * capability. Should be used by device drivers
1692 * to report the current state of migratable capability
1693 * of a function managed by the devlink port.
1694 * @port_fn_migratable_set: Callback used to set port function's migratable
1695 * capability. Should be used by device drivers
1696 * to enable/disable migratable capability of
1697 * a function managed by the devlink port.
1698 * @port_fn_state_get: Callback used to get port function's state.
1699 * Should be used by device drivers to report
1700 * the current admin and operational state of a
1701 * function managed by the devlink port.
1702 * @port_fn_state_set: Callback used to get port function's state.
1703 * Should be used by device drivers set
1704 * the admin state of a function managed
1705 * by the devlink port.
1706 * @port_fn_ipsec_crypto_get: Callback used to get port function's ipsec_crypto
1707 * capability. Should be used by device drivers
1708 * to report the current state of ipsec_crypto
1709 * capability of a function managed by the devlink
1710 * port.
1711 * @port_fn_ipsec_crypto_set: Callback used to set port function's ipsec_crypto
1712 * capability. Should be used by device drivers to
1713 * enable/disable ipsec_crypto capability of a
1714 * function managed by the devlink port.
1715 * @port_fn_ipsec_packet_get: Callback used to get port function's ipsec_packet
1716 * capability. Should be used by device drivers
1717 * to report the current state of ipsec_packet
1718 * capability of a function managed by the devlink
1719 * port.
1720 * @port_fn_ipsec_packet_set: Callback used to set port function's ipsec_packet
1721 * capability. Should be used by device drivers to
1722 * enable/disable ipsec_packet capability of a
1723 * function managed by the devlink port.
1724 * @port_fn_max_io_eqs_get: Callback used to get port function's maximum number
1725 * of event queues. Should be used by device drivers to
1726 * report the maximum event queues of a function
1727 * managed by the devlink port.
1728 * @port_fn_max_io_eqs_set: Callback used to set port function's maximum number
1729 * of event queues. Should be used by device drivers to
1730 * configure maximum number of event queues
1731 * of a function managed by the devlink port.
1732 *
1733 * Note: Driver should return -EOPNOTSUPP if it doesn't support
1734 * port function (@port_fn_*) handling for a particular port.
1735 */
1736struct devlink_port_ops {
1737 int (*port_split)(struct devlink *devlink, struct devlink_port *port,
1738 unsigned int count, struct netlink_ext_ack *extack);
1739 int (*port_unsplit)(struct devlink *devlink, struct devlink_port *port,
1740 struct netlink_ext_ack *extack);
1741 int (*port_type_set)(struct devlink_port *devlink_port,
1742 enum devlink_port_type port_type);
1743 int (*port_del)(struct devlink *devlink, struct devlink_port *port,
1744 struct netlink_ext_ack *extack);
1745 int (*port_fn_hw_addr_get)(struct devlink_port *port, u8 *hw_addr,
1746 int *hw_addr_len,
1747 struct netlink_ext_ack *extack);
1748 int (*port_fn_hw_addr_set)(struct devlink_port *port,
1749 const u8 *hw_addr, int hw_addr_len,
1750 struct netlink_ext_ack *extack);
1751 int (*port_fn_roce_get)(struct devlink_port *devlink_port,
1752 bool *is_enable,
1753 struct netlink_ext_ack *extack);
1754 int (*port_fn_roce_set)(struct devlink_port *devlink_port,
1755 bool enable, struct netlink_ext_ack *extack);
1756 int (*port_fn_migratable_get)(struct devlink_port *devlink_port,
1757 bool *is_enable,
1758 struct netlink_ext_ack *extack);
1759 int (*port_fn_migratable_set)(struct devlink_port *devlink_port,
1760 bool enable,
1761 struct netlink_ext_ack *extack);
1762 int (*port_fn_state_get)(struct devlink_port *port,
1763 enum devlink_port_fn_state *state,
1764 enum devlink_port_fn_opstate *opstate,
1765 struct netlink_ext_ack *extack);
1766 int (*port_fn_state_set)(struct devlink_port *port,
1767 enum devlink_port_fn_state state,
1768 struct netlink_ext_ack *extack);
1769 int (*port_fn_ipsec_crypto_get)(struct devlink_port *devlink_port,
1770 bool *is_enable,
1771 struct netlink_ext_ack *extack);
1772 int (*port_fn_ipsec_crypto_set)(struct devlink_port *devlink_port,
1773 bool enable,
1774 struct netlink_ext_ack *extack);
1775 int (*port_fn_ipsec_packet_get)(struct devlink_port *devlink_port,
1776 bool *is_enable,
1777 struct netlink_ext_ack *extack);
1778 int (*port_fn_ipsec_packet_set)(struct devlink_port *devlink_port,
1779 bool enable,
1780 struct netlink_ext_ack *extack);
1781 int (*port_fn_max_io_eqs_get)(struct devlink_port *devlink_port,
1782 u32 *max_eqs,
1783 struct netlink_ext_ack *extack);
1784 int (*port_fn_max_io_eqs_set)(struct devlink_port *devlink_port,
1785 u32 max_eqs,
1786 struct netlink_ext_ack *extack);
1787};
1788
1789void devlink_port_init(struct devlink *devlink,
1790 struct devlink_port *devlink_port);
1791void devlink_port_fini(struct devlink_port *devlink_port);
1792
1793int devl_port_register_with_ops(struct devlink *devlink,
1794 struct devlink_port *devlink_port,
1795 unsigned int port_index,
1796 const struct devlink_port_ops *ops);
1797
1798static inline int devl_port_register(struct devlink *devlink,
1799 struct devlink_port *devlink_port,
1800 unsigned int port_index)
1801{
1802 return devl_port_register_with_ops(devlink, devlink_port,
1803 port_index, NULL);
1804}
1805
1806int devlink_port_register_with_ops(struct devlink *devlink,
1807 struct devlink_port *devlink_port,
1808 unsigned int port_index,
1809 const struct devlink_port_ops *ops);
1810
1811static inline int devlink_port_register(struct devlink *devlink,
1812 struct devlink_port *devlink_port,
1813 unsigned int port_index)
1814{
1815 return devlink_port_register_with_ops(devlink, devlink_port,
1816 port_index, NULL);
1817}
1818
1819void devl_port_unregister(struct devlink_port *devlink_port);
1820void devlink_port_unregister(struct devlink_port *devlink_port);
1821void devlink_port_type_eth_set(struct devlink_port *devlink_port);
1822void devlink_port_type_ib_set(struct devlink_port *devlink_port,
1823 struct ib_device *ibdev);
1824void devlink_port_type_clear(struct devlink_port *devlink_port);
1825void devlink_port_attrs_set(struct devlink_port *devlink_port,
1826 const struct devlink_port_attrs *attrs);
1827void devlink_port_attrs_pci_pf_set(struct devlink_port *devlink_port, u32 controller,
1828 u16 pf, bool external);
1829void devlink_port_attrs_pci_vf_set(struct devlink_port *devlink_port, u32 controller,
1830 u16 pf, u16 vf, bool external);
1831void devlink_port_attrs_pci_sf_set(struct devlink_port *devlink_port,
1832 u32 controller, u16 pf, u32 sf,
1833 bool external);
1834int devl_port_fn_devlink_set(struct devlink_port *devlink_port,
1835 struct devlink *fn_devlink);
1836struct devlink_rate *
1837devl_rate_node_create(struct devlink *devlink, void *priv, char *node_name,
1838 struct devlink_rate *parent);
1839int
1840devl_rate_leaf_create(struct devlink_port *devlink_port, void *priv,
1841 struct devlink_rate *parent);
1842void devl_rate_leaf_destroy(struct devlink_port *devlink_port);
1843void devl_rate_nodes_destroy(struct devlink *devlink);
1844void devlink_port_linecard_set(struct devlink_port *devlink_port,
1845 struct devlink_linecard *linecard);
1846struct devlink_linecard *
1847devl_linecard_create(struct devlink *devlink, unsigned int linecard_index,
1848 const struct devlink_linecard_ops *ops, void *priv);
1849void devl_linecard_destroy(struct devlink_linecard *linecard);
1850void devlink_linecard_provision_set(struct devlink_linecard *linecard,
1851 const char *type);
1852void devlink_linecard_provision_clear(struct devlink_linecard *linecard);
1853void devlink_linecard_provision_fail(struct devlink_linecard *linecard);
1854void devlink_linecard_activate(struct devlink_linecard *linecard);
1855void devlink_linecard_deactivate(struct devlink_linecard *linecard);
1856int devlink_linecard_nested_dl_set(struct devlink_linecard *linecard,
1857 struct devlink *nested_devlink);
1858int devl_sb_register(struct devlink *devlink, unsigned int sb_index,
1859 u32 size, u16 ingress_pools_count,
1860 u16 egress_pools_count, u16 ingress_tc_count,
1861 u16 egress_tc_count);
1862int devlink_sb_register(struct devlink *devlink, unsigned int sb_index,
1863 u32 size, u16 ingress_pools_count,
1864 u16 egress_pools_count, u16 ingress_tc_count,
1865 u16 egress_tc_count);
1866void devl_sb_unregister(struct devlink *devlink, unsigned int sb_index);
1867void devlink_sb_unregister(struct devlink *devlink, unsigned int sb_index);
1868int devl_dpipe_table_register(struct devlink *devlink,
1869 const char *table_name,
1870 const struct devlink_dpipe_table_ops *table_ops,
1871 void *priv, bool counter_control_extern);
1872void devl_dpipe_table_unregister(struct devlink *devlink,
1873 const char *table_name);
1874void devl_dpipe_headers_register(struct devlink *devlink,
1875 struct devlink_dpipe_headers *dpipe_headers);
1876void devl_dpipe_headers_unregister(struct devlink *devlink);
1877bool devlink_dpipe_table_counter_enabled(struct devlink *devlink,
1878 const char *table_name);
1879int devlink_dpipe_entry_ctx_prepare(struct devlink_dpipe_dump_ctx *dump_ctx);
1880int devlink_dpipe_entry_ctx_append(struct devlink_dpipe_dump_ctx *dump_ctx,
1881 struct devlink_dpipe_entry *entry);
1882int devlink_dpipe_entry_ctx_close(struct devlink_dpipe_dump_ctx *dump_ctx);
1883void devlink_dpipe_entry_clear(struct devlink_dpipe_entry *entry);
1884int devlink_dpipe_action_put(struct sk_buff *skb,
1885 struct devlink_dpipe_action *action);
1886int devlink_dpipe_match_put(struct sk_buff *skb,
1887 struct devlink_dpipe_match *match);
1888extern struct devlink_dpipe_header devlink_dpipe_header_ethernet;
1889extern struct devlink_dpipe_header devlink_dpipe_header_ipv4;
1890extern struct devlink_dpipe_header devlink_dpipe_header_ipv6;
1891
1892int devl_resource_register(struct devlink *devlink,
1893 const char *resource_name,
1894 u64 resource_size,
1895 u64 resource_id,
1896 u64 parent_resource_id,
1897 const struct devlink_resource_size_params *params);
1898void devl_resources_unregister(struct devlink *devlink);
1899void devlink_resources_unregister(struct devlink *devlink);
1900int devl_resource_size_get(struct devlink *devlink,
1901 u64 resource_id,
1902 u64 *p_resource_size);
1903int
1904devl_port_resource_register(struct devlink_port *devlink_port,
1905 const char *resource_name,
1906 u64 resource_size, u64 resource_id,
1907 u64 parent_resource_id,
1908 const struct devlink_resource_size_params *params);
1909void devl_port_resources_unregister(struct devlink_port *devlink_port);
1910int devl_dpipe_table_resource_set(struct devlink *devlink,
1911 const char *table_name, u64 resource_id,
1912 u64 resource_units);
1913void devl_resource_occ_get_register(struct devlink *devlink,
1914 u64 resource_id,
1915 devlink_resource_occ_get_t *occ_get,
1916 void *occ_get_priv);
1917void devl_resource_occ_get_unregister(struct devlink *devlink,
1918 u64 resource_id);
1919int devl_params_register(struct devlink *devlink,
1920 const struct devlink_param *params,
1921 size_t params_count);
1922int devlink_params_register(struct devlink *devlink,
1923 const struct devlink_param *params,
1924 size_t params_count);
1925void devl_params_unregister(struct devlink *devlink,
1926 const struct devlink_param *params,
1927 size_t params_count);
1928void devlink_params_unregister(struct devlink *devlink,
1929 const struct devlink_param *params,
1930 size_t params_count);
1931int devl_param_driverinit_value_get(struct devlink *devlink, u32 param_id,
1932 union devlink_param_value *val);
1933void devl_param_driverinit_value_set(struct devlink *devlink, u32 param_id,
1934 union devlink_param_value *init_val);
1935void devl_param_value_changed(struct devlink *devlink, u32 param_id);
1936struct devlink_region *devl_region_create(struct devlink *devlink,
1937 const struct devlink_region_ops *ops,
1938 u32 region_max_snapshots,
1939 u64 region_size);
1940struct devlink_region *
1941devlink_region_create(struct devlink *devlink,
1942 const struct devlink_region_ops *ops,
1943 u32 region_max_snapshots, u64 region_size);
1944struct devlink_region *
1945devlink_port_region_create(struct devlink_port *port,
1946 const struct devlink_port_region_ops *ops,
1947 u32 region_max_snapshots, u64 region_size);
1948void devl_region_destroy(struct devlink_region *region);
1949void devlink_region_destroy(struct devlink_region *region);
1950int devlink_region_snapshot_id_get(struct devlink *devlink, u32 *id);
1951void devlink_region_snapshot_id_put(struct devlink *devlink, u32 id);
1952int devlink_region_snapshot_create(struct devlink_region *region,
1953 u8 *data, u32 snapshot_id);
1954int devlink_info_serial_number_put(struct devlink_info_req *req,
1955 const char *sn);
1956int devlink_info_board_serial_number_put(struct devlink_info_req *req,
1957 const char *bsn);
1958
1959enum devlink_info_version_type {
1960 DEVLINK_INFO_VERSION_TYPE_NONE,
1961 DEVLINK_INFO_VERSION_TYPE_COMPONENT, /* May be used as flash update
1962 * component by name.
1963 */
1964};
1965
1966int devlink_info_version_fixed_put(struct devlink_info_req *req,
1967 const char *version_name,
1968 const char *version_value);
1969int devlink_info_version_stored_put(struct devlink_info_req *req,
1970 const char *version_name,
1971 const char *version_value);
1972int devlink_info_version_stored_put_ext(struct devlink_info_req *req,
1973 const char *version_name,
1974 const char *version_value,
1975 enum devlink_info_version_type version_type);
1976int devlink_info_version_running_put(struct devlink_info_req *req,
1977 const char *version_name,
1978 const char *version_value);
1979int devlink_info_version_running_put_ext(struct devlink_info_req *req,
1980 const char *version_name,
1981 const char *version_value,
1982 enum devlink_info_version_type version_type);
1983
1984void devlink_fmsg_obj_nest_start(struct devlink_fmsg *fmsg);
1985void devlink_fmsg_obj_nest_end(struct devlink_fmsg *fmsg);
1986
1987void devlink_fmsg_pair_nest_start(struct devlink_fmsg *fmsg, const char *name);
1988void devlink_fmsg_pair_nest_end(struct devlink_fmsg *fmsg);
1989
1990void devlink_fmsg_arr_pair_nest_start(struct devlink_fmsg *fmsg,
1991 const char *name);
1992void devlink_fmsg_arr_pair_nest_end(struct devlink_fmsg *fmsg);
1993void devlink_fmsg_binary_pair_nest_start(struct devlink_fmsg *fmsg,
1994 const char *name);
1995void devlink_fmsg_binary_pair_nest_end(struct devlink_fmsg *fmsg);
1996
1997void devlink_fmsg_u32_put(struct devlink_fmsg *fmsg, u32 value);
1998void devlink_fmsg_string_put(struct devlink_fmsg *fmsg, const char *value);
1999void devlink_fmsg_binary_put(struct devlink_fmsg *fmsg, const void *value,
2000 u16 value_len);
2001
2002void devlink_fmsg_bool_pair_put(struct devlink_fmsg *fmsg, const char *name,
2003 bool value);
2004void devlink_fmsg_u8_pair_put(struct devlink_fmsg *fmsg, const char *name,
2005 u8 value);
2006void devlink_fmsg_u32_pair_put(struct devlink_fmsg *fmsg, const char *name,
2007 u32 value);
2008void devlink_fmsg_u64_pair_put(struct devlink_fmsg *fmsg, const char *name,
2009 u64 value);
2010void devlink_fmsg_string_pair_put(struct devlink_fmsg *fmsg, const char *name,
2011 const char *value);
2012void devlink_fmsg_binary_pair_put(struct devlink_fmsg *fmsg, const char *name,
2013 const void *value, u32 value_len);
2014
2015struct devlink_health_reporter *
2016devl_port_health_reporter_create(struct devlink_port *port,
2017 const struct devlink_health_reporter_ops *ops,
2018 void *priv);
2019
2020struct devlink_health_reporter *
2021devlink_port_health_reporter_create(struct devlink_port *port,
2022 const struct devlink_health_reporter_ops *ops,
2023 void *priv);
2024
2025struct devlink_health_reporter *
2026devl_health_reporter_create(struct devlink *devlink,
2027 const struct devlink_health_reporter_ops *ops,
2028 void *priv);
2029
2030struct devlink_health_reporter *
2031devlink_health_reporter_create(struct devlink *devlink,
2032 const struct devlink_health_reporter_ops *ops,
2033 void *priv);
2034
2035void
2036devl_health_reporter_destroy(struct devlink_health_reporter *reporter);
2037
2038void
2039devlink_health_reporter_destroy(struct devlink_health_reporter *reporter);
2040
2041void *
2042devlink_health_reporter_priv(struct devlink_health_reporter *reporter);
2043int devlink_health_report(struct devlink_health_reporter *reporter,
2044 const char *msg, void *priv_ctx);
2045void
2046devlink_health_reporter_state_update(struct devlink_health_reporter *reporter,
2047 enum devlink_health_reporter_state state);
2048void
2049devlink_health_reporter_recovery_done(struct devlink_health_reporter *reporter);
2050
2051int devl_nested_devlink_set(struct devlink *devlink,
2052 struct devlink *nested_devlink);
2053bool devlink_is_reload_failed(const struct devlink *devlink);
2054void devlink_remote_reload_actions_performed(struct devlink *devlink,
2055 enum devlink_reload_limit limit,
2056 u32 actions_performed);
2057
2058void devlink_flash_update_status_notify(struct devlink *devlink,
2059 const char *status_msg,
2060 const char *component,
2061 unsigned long done,
2062 unsigned long total);
2063void devlink_flash_update_timeout_notify(struct devlink *devlink,
2064 const char *status_msg,
2065 const char *component,
2066 unsigned long timeout);
2067
2068int devl_traps_register(struct devlink *devlink,
2069 const struct devlink_trap *traps,
2070 size_t traps_count, void *priv);
2071int devlink_traps_register(struct devlink *devlink,
2072 const struct devlink_trap *traps,
2073 size_t traps_count, void *priv);
2074void devl_traps_unregister(struct devlink *devlink,
2075 const struct devlink_trap *traps,
2076 size_t traps_count);
2077void devlink_traps_unregister(struct devlink *devlink,
2078 const struct devlink_trap *traps,
2079 size_t traps_count);
2080void devlink_trap_report(struct devlink *devlink, struct sk_buff *skb,
2081 void *trap_ctx, struct devlink_port *in_devlink_port,
2082 const struct flow_action_cookie *fa_cookie);
2083void *devlink_trap_ctx_priv(void *trap_ctx);
2084int devl_trap_groups_register(struct devlink *devlink,
2085 const struct devlink_trap_group *groups,
2086 size_t groups_count);
2087int devlink_trap_groups_register(struct devlink *devlink,
2088 const struct devlink_trap_group *groups,
2089 size_t groups_count);
2090void devl_trap_groups_unregister(struct devlink *devlink,
2091 const struct devlink_trap_group *groups,
2092 size_t groups_count);
2093void devlink_trap_groups_unregister(struct devlink *devlink,
2094 const struct devlink_trap_group *groups,
2095 size_t groups_count);
2096int
2097devl_trap_policers_register(struct devlink *devlink,
2098 const struct devlink_trap_policer *policers,
2099 size_t policers_count);
2100void
2101devl_trap_policers_unregister(struct devlink *devlink,
2102 const struct devlink_trap_policer *policers,
2103 size_t policers_count);
2104
2105#if IS_ENABLED(CONFIG_NET_DEVLINK)
2106
2107struct devlink *__must_check devlink_try_get(struct devlink *devlink);
2108void devlink_put(struct devlink *devlink);
2109
2110void devlink_compat_running_version(struct devlink *devlink,
2111 char *buf, size_t len);
2112int devlink_compat_flash_update(struct devlink *devlink, const char *file_name);
2113int devlink_compat_phys_port_name_get(struct net_device *dev,
2114 char *name, size_t len);
2115int devlink_compat_switch_id_get(struct net_device *dev,
2116 struct netdev_phys_item_id *ppid);
2117
2118int devlink_nl_port_handle_fill(struct sk_buff *msg, struct devlink_port *devlink_port);
2119size_t devlink_nl_port_handle_size(struct devlink_port *devlink_port);
2120void devlink_fmsg_dump_skb(struct devlink_fmsg *fmsg, const struct sk_buff *skb);
2121
2122#else
2123
2124static inline struct devlink *devlink_try_get(struct devlink *devlink)
2125{
2126 return NULL;
2127}
2128
2129static inline void devlink_put(struct devlink *devlink)
2130{
2131}
2132
2133static inline void
2134devlink_compat_running_version(struct devlink *devlink, char *buf, size_t len)
2135{
2136}
2137
2138static inline int
2139devlink_compat_flash_update(struct devlink *devlink, const char *file_name)
2140{
2141 return -EOPNOTSUPP;
2142}
2143
2144static inline int
2145devlink_compat_phys_port_name_get(struct net_device *dev,
2146 char *name, size_t len)
2147{
2148 return -EOPNOTSUPP;
2149}
2150
2151static inline int
2152devlink_compat_switch_id_get(struct net_device *dev,
2153 struct netdev_phys_item_id *ppid)
2154{
2155 return -EOPNOTSUPP;
2156}
2157
2158static inline int
2159devlink_nl_port_handle_fill(struct sk_buff *msg, struct devlink_port *devlink_port)
2160{
2161 return 0;
2162}
2163
2164static inline size_t devlink_nl_port_handle_size(struct devlink_port *devlink_port)
2165{
2166 return 0;
2167}
2168
2169#endif
2170
2171#endif /* _NET_DEVLINK_H_ */