1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3 * include/net/devlink.h - Network physical device Netlink interface
4 * Copyright (c) 2016 Mellanox Technologies. All rights reserved.
5 * Copyright (c) 2016 Jiri Pirko <jiri@mellanox.com>
6 */
7 #ifndef _NET_DEVLINK_H_
8 #define _NET_DEVLINK_H_
9
10 #include <linux/device.h>
11 #include <linux/slab.h>
12 #include <linux/gfp.h>
13 #include <linux/list.h>
14 #include <linux/netdevice.h>
15 #include <linux/spinlock.h>
16 #include <linux/workqueue.h>
17 #include <linux/refcount.h>
18 #include <net/net_namespace.h>
19 #include <net/flow_offload.h>
20 #include <uapi/linux/devlink.h>
21 #include <linux/xarray.h>
22 #include <linux/firmware.h>
23
24 #define DEVLINK_RELOAD_STATS_ARRAY_SIZE \
25 (__DEVLINK_RELOAD_LIMIT_MAX * __DEVLINK_RELOAD_ACTION_MAX)
26
27 struct devlink_dev_stats {
28 u32 reload_stats[DEVLINK_RELOAD_STATS_ARRAY_SIZE];
29 u32 remote_reload_stats[DEVLINK_RELOAD_STATS_ARRAY_SIZE];
30 };
31
32 struct devlink_ops;
33
34 struct devlink {
35 struct list_head list;
36 struct list_head port_list;
37 struct list_head sb_list;
38 struct list_head dpipe_table_list;
39 struct list_head resource_list;
40 struct list_head param_list;
41 struct list_head region_list;
42 struct list_head reporter_list;
43 struct mutex reporters_lock; /* protects reporter_list */
44 struct devlink_dpipe_headers *dpipe_headers;
45 struct list_head trap_list;
46 struct list_head trap_group_list;
47 struct list_head trap_policer_list;
48 const struct devlink_ops *ops;
49 struct xarray snapshot_ids;
50 struct devlink_dev_stats stats;
51 struct device *dev;
52 possible_net_t _net;
53 struct mutex lock; /* Serializes access to devlink instance specific objects such as
54 * port, sb, dpipe, resource, params, region, traps and more.
55 */
56 u8 reload_failed:1,
57 reload_enabled:1,
58 registered:1;
59 char priv[0] __aligned(NETDEV_ALIGN);
60 };
61
62 struct devlink_port_phys_attrs {
63 u32 port_number; /* Same value as "split group".
64 * A physical port which is visible to the user
65 * for a given port flavour.
66 */
67 u32 split_subport_number; /* If the port is split, this is the number of subport. */
68 };
69
70 /**
71 * struct devlink_port_pci_pf_attrs - devlink port's PCI PF attributes
72 * @controller: Associated controller number
73 * @pf: Associated PCI PF number for this port.
74 * @external: when set, indicates if a port is for an external controller
75 */
76 struct devlink_port_pci_pf_attrs {
77 u32 controller;
78 u16 pf;
79 u8 external:1;
80 };
81
82 /**
83 * struct devlink_port_pci_vf_attrs - devlink port's PCI VF attributes
84 * @controller: Associated controller number
85 * @pf: Associated PCI PF number for this port.
86 * @vf: Associated PCI VF for of the PCI PF for this port.
87 * @external: when set, indicates if a port is for an external controller
88 */
89 struct devlink_port_pci_vf_attrs {
90 u32 controller;
91 u16 pf;
92 u16 vf;
93 u8 external:1;
94 };
95
96 /**
97 * struct devlink_port_pci_sf_attrs - devlink port's PCI SF attributes
98 * @controller: Associated controller number
99 * @sf: Associated PCI SF for of the PCI PF for this port.
100 * @pf: Associated PCI PF number for this port.
101 * @external: when set, indicates if a port is for an external controller
102 */
103 struct devlink_port_pci_sf_attrs {
104 u32 controller;
105 u32 sf;
106 u16 pf;
107 u8 external:1;
108 };
109
110 /**
111 * struct devlink_port_attrs - devlink port object
112 * @flavour: flavour of the port
113 * @split: indicates if this is split port
114 * @splittable: indicates if the port can be split.
115 * @lanes: maximum number of lanes the port supports. 0 value is not passed to netlink.
116 * @switch_id: if the port is part of switch, this is buffer with ID, otherwise this is NULL
117 * @phys: physical port attributes
118 * @pci_pf: PCI PF port attributes
119 * @pci_vf: PCI VF port attributes
120 * @pci_sf: PCI SF port attributes
121 */
122 struct devlink_port_attrs {
123 u8 split:1,
124 splittable:1;
125 u32 lanes;
126 enum devlink_port_flavour flavour;
127 struct netdev_phys_item_id switch_id;
128 union {
129 struct devlink_port_phys_attrs phys;
130 struct devlink_port_pci_pf_attrs pci_pf;
131 struct devlink_port_pci_vf_attrs pci_vf;
132 struct devlink_port_pci_sf_attrs pci_sf;
133 };
134 };
135
136 struct devlink_port {
137 struct list_head list;
138 struct list_head param_list;
139 struct list_head region_list;
140 struct devlink *devlink;
141 unsigned int index;
142 bool registered;
143 spinlock_t type_lock; /* Protects type and type_dev
144 * pointer consistency.
145 */
146 enum devlink_port_type type;
147 enum devlink_port_type desired_type;
148 void *type_dev;
149 struct devlink_port_attrs attrs;
150 u8 attrs_set:1,
151 switch_port:1;
152 struct delayed_work type_warn_dw;
153 struct list_head reporter_list;
154 struct mutex reporters_lock; /* Protects reporter_list */
155 };
156
157 struct devlink_port_new_attrs {
158 enum devlink_port_flavour flavour;
159 unsigned int port_index;
160 u32 controller;
161 u32 sfnum;
162 u16 pfnum;
163 u8 port_index_valid:1,
164 controller_valid:1,
165 sfnum_valid:1;
166 };
167
168 struct devlink_sb_pool_info {
169 enum devlink_sb_pool_type pool_type;
170 u32 size;
171 enum devlink_sb_threshold_type threshold_type;
172 u32 cell_size;
173 };
174
175 /**
176 * struct devlink_dpipe_field - dpipe field object
177 * @name: field name
178 * @id: index inside the headers field array
179 * @bitwidth: bitwidth
180 * @mapping_type: mapping type
181 */
182 struct devlink_dpipe_field {
183 const char *name;
184 unsigned int id;
185 unsigned int bitwidth;
186 enum devlink_dpipe_field_mapping_type mapping_type;
187 };
188
189 /**
190 * struct devlink_dpipe_header - dpipe header object
191 * @name: header name
192 * @id: index, global/local detrmined by global bit
193 * @fields: fields
194 * @fields_count: number of fields
195 * @global: indicates if header is shared like most protocol header
196 * or driver specific
197 */
198 struct devlink_dpipe_header {
199 const char *name;
200 unsigned int id;
201 struct devlink_dpipe_field *fields;
202 unsigned int fields_count;
203 bool global;
204 };
205
206 /**
207 * struct devlink_dpipe_match - represents match operation
208 * @type: type of match
209 * @header_index: header index (packets can have several headers of same
210 * type like in case of tunnels)
211 * @header: header
212 * @fieled_id: field index
213 */
214 struct devlink_dpipe_match {
215 enum devlink_dpipe_match_type type;
216 unsigned int header_index;
217 struct devlink_dpipe_header *header;
218 unsigned int field_id;
219 };
220
221 /**
222 * struct devlink_dpipe_action - represents action operation
223 * @type: type of action
224 * @header_index: header index (packets can have several headers of same
225 * type like in case of tunnels)
226 * @header: header
227 * @fieled_id: field index
228 */
229 struct devlink_dpipe_action {
230 enum devlink_dpipe_action_type type;
231 unsigned int header_index;
232 struct devlink_dpipe_header *header;
233 unsigned int field_id;
234 };
235
236 /**
237 * struct devlink_dpipe_value - represents value of match/action
238 * @action: action
239 * @match: match
240 * @mapping_value: in case the field has some mapping this value
241 * specified the mapping value
242 * @mapping_valid: specify if mapping value is valid
243 * @value_size: value size
244 * @value: value
245 * @mask: bit mask
246 */
247 struct devlink_dpipe_value {
248 union {
249 struct devlink_dpipe_action *action;
250 struct devlink_dpipe_match *match;
251 };
252 unsigned int mapping_value;
253 bool mapping_valid;
254 unsigned int value_size;
255 void *value;
256 void *mask;
257 };
258
259 /**
260 * struct devlink_dpipe_entry - table entry object
261 * @index: index of the entry in the table
262 * @match_values: match values
263 * @matche_values_count: count of matches tuples
264 * @action_values: actions values
265 * @action_values_count: count of actions values
266 * @counter: value of counter
267 * @counter_valid: Specify if value is valid from hardware
268 */
269 struct devlink_dpipe_entry {
270 u64 index;
271 struct devlink_dpipe_value *match_values;
272 unsigned int match_values_count;
273 struct devlink_dpipe_value *action_values;
274 unsigned int action_values_count;
275 u64 counter;
276 bool counter_valid;
277 };
278
279 /**
280 * struct devlink_dpipe_dump_ctx - context provided to driver in order
281 * to dump
282 * @info: info
283 * @cmd: devlink command
284 * @skb: skb
285 * @nest: top attribute
286 * @hdr: hdr
287 */
288 struct devlink_dpipe_dump_ctx {
289 struct genl_info *info;
290 enum devlink_command cmd;
291 struct sk_buff *skb;
292 struct nlattr *nest;
293 void *hdr;
294 };
295
296 struct devlink_dpipe_table_ops;
297
298 /**
299 * struct devlink_dpipe_table - table object
300 * @priv: private
301 * @name: table name
302 * @counters_enabled: indicates if counters are active
303 * @counter_control_extern: indicates if counter control is in dpipe or
304 * external tool
305 * @resource_valid: Indicate that the resource id is valid
306 * @resource_id: relative resource this table is related to
307 * @resource_units: number of resource's unit consumed per table's entry
308 * @table_ops: table operations
309 * @rcu: rcu
310 */
311 struct devlink_dpipe_table {
312 void *priv;
313 struct list_head list;
314 const char *name;
315 bool counters_enabled;
316 bool counter_control_extern;
317 bool resource_valid;
318 u64 resource_id;
319 u64 resource_units;
320 struct devlink_dpipe_table_ops *table_ops;
321 struct rcu_head rcu;
322 };
323
324 /**
325 * struct devlink_dpipe_table_ops - dpipe_table ops
326 * @actions_dump - dumps all tables actions
327 * @matches_dump - dumps all tables matches
328 * @entries_dump - dumps all active entries in the table
329 * @counters_set_update - when changing the counter status hardware sync
330 * maybe needed to allocate/free counter related
331 * resources
332 * @size_get - get size
333 */
334 struct devlink_dpipe_table_ops {
335 int (*actions_dump)(void *priv, struct sk_buff *skb);
336 int (*matches_dump)(void *priv, struct sk_buff *skb);
337 int (*entries_dump)(void *priv, bool counters_enabled,
338 struct devlink_dpipe_dump_ctx *dump_ctx);
339 int (*counters_set_update)(void *priv, bool enable);
340 u64 (*size_get)(void *priv);
341 };
342
343 /**
344 * struct devlink_dpipe_headers - dpipe headers
345 * @headers - header array can be shared (global bit) or driver specific
346 * @headers_count - count of headers
347 */
348 struct devlink_dpipe_headers {
349 struct devlink_dpipe_header **headers;
350 unsigned int headers_count;
351 };
352
353 /**
354 * struct devlink_resource_size_params - resource's size parameters
355 * @size_min: minimum size which can be set
356 * @size_max: maximum size which can be set
357 * @size_granularity: size granularity
358 * @size_unit: resource's basic unit
359 */
360 struct devlink_resource_size_params {
361 u64 size_min;
362 u64 size_max;
363 u64 size_granularity;
364 enum devlink_resource_unit unit;
365 };
366
367 static inline void
devlink_resource_size_params_init(struct devlink_resource_size_params * size_params,u64 size_min,u64 size_max,u64 size_granularity,enum devlink_resource_unit unit)368 devlink_resource_size_params_init(struct devlink_resource_size_params *size_params,
369 u64 size_min, u64 size_max,
370 u64 size_granularity,
371 enum devlink_resource_unit unit)
372 {
373 size_params->size_min = size_min;
374 size_params->size_max = size_max;
375 size_params->size_granularity = size_granularity;
376 size_params->unit = unit;
377 }
378
379 typedef u64 devlink_resource_occ_get_t(void *priv);
380
381 /**
382 * struct devlink_resource - devlink resource
383 * @name: name of the resource
384 * @id: id, per devlink instance
385 * @size: size of the resource
386 * @size_new: updated size of the resource, reload is needed
387 * @size_valid: valid in case the total size of the resource is valid
388 * including its children
389 * @parent: parent resource
390 * @size_params: size parameters
391 * @list: parent list
392 * @resource_list: list of child resources
393 */
394 struct devlink_resource {
395 const char *name;
396 u64 id;
397 u64 size;
398 u64 size_new;
399 bool size_valid;
400 struct devlink_resource *parent;
401 struct devlink_resource_size_params size_params;
402 struct list_head list;
403 struct list_head resource_list;
404 devlink_resource_occ_get_t *occ_get;
405 void *occ_get_priv;
406 };
407
408 #define DEVLINK_RESOURCE_ID_PARENT_TOP 0
409
410 #define DEVLINK_RESOURCE_GENERIC_NAME_PORTS "physical_ports"
411
412 #define __DEVLINK_PARAM_MAX_STRING_VALUE 32
413 enum devlink_param_type {
414 DEVLINK_PARAM_TYPE_U8,
415 DEVLINK_PARAM_TYPE_U16,
416 DEVLINK_PARAM_TYPE_U32,
417 DEVLINK_PARAM_TYPE_STRING,
418 DEVLINK_PARAM_TYPE_BOOL,
419 };
420
421 union devlink_param_value {
422 u8 vu8;
423 u16 vu16;
424 u32 vu32;
425 char vstr[__DEVLINK_PARAM_MAX_STRING_VALUE];
426 bool vbool;
427 };
428
429 struct devlink_param_gset_ctx {
430 union devlink_param_value val;
431 enum devlink_param_cmode cmode;
432 };
433
434 /**
435 * struct devlink_flash_notify - devlink dev flash notify data
436 * @status_msg: current status string
437 * @component: firmware component being updated
438 * @done: amount of work completed of total amount
439 * @total: amount of work expected to be done
440 * @timeout: expected max timeout in seconds
441 *
442 * These are values to be given to userland to be displayed in order
443 * to show current activity in a firmware update process.
444 */
445 struct devlink_flash_notify {
446 const char *status_msg;
447 const char *component;
448 unsigned long done;
449 unsigned long total;
450 unsigned long timeout;
451 };
452
453 /**
454 * struct devlink_param - devlink configuration parameter data
455 * @name: name of the parameter
456 * @generic: indicates if the parameter is generic or driver specific
457 * @type: parameter type
458 * @supported_cmodes: bitmap of supported configuration modes
459 * @get: get parameter value, used for runtime and permanent
460 * configuration modes
461 * @set: set parameter value, used for runtime and permanent
462 * configuration modes
463 * @validate: validate input value is applicable (within value range, etc.)
464 *
465 * This struct should be used by the driver to fill the data for
466 * a parameter it registers.
467 */
468 struct devlink_param {
469 u32 id;
470 const char *name;
471 bool generic;
472 enum devlink_param_type type;
473 unsigned long supported_cmodes;
474 int (*get)(struct devlink *devlink, u32 id,
475 struct devlink_param_gset_ctx *ctx);
476 int (*set)(struct devlink *devlink, u32 id,
477 struct devlink_param_gset_ctx *ctx);
478 int (*validate)(struct devlink *devlink, u32 id,
479 union devlink_param_value val,
480 struct netlink_ext_ack *extack);
481 };
482
483 struct devlink_param_item {
484 struct list_head list;
485 const struct devlink_param *param;
486 union devlink_param_value driverinit_value;
487 bool driverinit_value_valid;
488 bool published;
489 };
490
491 enum devlink_param_generic_id {
492 DEVLINK_PARAM_GENERIC_ID_INT_ERR_RESET,
493 DEVLINK_PARAM_GENERIC_ID_MAX_MACS,
494 DEVLINK_PARAM_GENERIC_ID_ENABLE_SRIOV,
495 DEVLINK_PARAM_GENERIC_ID_REGION_SNAPSHOT,
496 DEVLINK_PARAM_GENERIC_ID_IGNORE_ARI,
497 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX,
498 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN,
499 DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY,
500 DEVLINK_PARAM_GENERIC_ID_RESET_DEV_ON_DRV_PROBE,
501 DEVLINK_PARAM_GENERIC_ID_ENABLE_ROCE,
502 DEVLINK_PARAM_GENERIC_ID_ENABLE_REMOTE_DEV_RESET,
503
504 /* add new param generic ids above here*/
505 __DEVLINK_PARAM_GENERIC_ID_MAX,
506 DEVLINK_PARAM_GENERIC_ID_MAX = __DEVLINK_PARAM_GENERIC_ID_MAX - 1,
507 };
508
509 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_NAME "internal_error_reset"
510 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL
511
512 #define DEVLINK_PARAM_GENERIC_MAX_MACS_NAME "max_macs"
513 #define DEVLINK_PARAM_GENERIC_MAX_MACS_TYPE DEVLINK_PARAM_TYPE_U32
514
515 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_NAME "enable_sriov"
516 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_TYPE DEVLINK_PARAM_TYPE_BOOL
517
518 #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_NAME "region_snapshot_enable"
519 #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_TYPE DEVLINK_PARAM_TYPE_BOOL
520
521 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_NAME "ignore_ari"
522 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_TYPE DEVLINK_PARAM_TYPE_BOOL
523
524 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_NAME "msix_vec_per_pf_max"
525 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_TYPE DEVLINK_PARAM_TYPE_U32
526
527 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_NAME "msix_vec_per_pf_min"
528 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_TYPE DEVLINK_PARAM_TYPE_U32
529
530 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_NAME "fw_load_policy"
531 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_TYPE DEVLINK_PARAM_TYPE_U8
532
533 #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_NAME \
534 "reset_dev_on_drv_probe"
535 #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_TYPE DEVLINK_PARAM_TYPE_U8
536
537 #define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_NAME "enable_roce"
538 #define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_TYPE DEVLINK_PARAM_TYPE_BOOL
539
540 #define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_NAME "enable_remote_dev_reset"
541 #define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL
542
543 #define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate) \
544 { \
545 .id = DEVLINK_PARAM_GENERIC_ID_##_id, \
546 .name = DEVLINK_PARAM_GENERIC_##_id##_NAME, \
547 .type = DEVLINK_PARAM_GENERIC_##_id##_TYPE, \
548 .generic = true, \
549 .supported_cmodes = _cmodes, \
550 .get = _get, \
551 .set = _set, \
552 .validate = _validate, \
553 }
554
555 #define DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, _get, _set, _validate) \
556 { \
557 .id = _id, \
558 .name = _name, \
559 .type = _type, \
560 .supported_cmodes = _cmodes, \
561 .get = _get, \
562 .set = _set, \
563 .validate = _validate, \
564 }
565
566 /* Part number, identifier of board design */
567 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_ID "board.id"
568 /* Revision of board design */
569 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_REV "board.rev"
570 /* Maker of the board */
571 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_MANUFACTURE "board.manufacture"
572
573 /* Part number, identifier of asic design */
574 #define DEVLINK_INFO_VERSION_GENERIC_ASIC_ID "asic.id"
575 /* Revision of asic design */
576 #define DEVLINK_INFO_VERSION_GENERIC_ASIC_REV "asic.rev"
577
578 /* Overall FW version */
579 #define DEVLINK_INFO_VERSION_GENERIC_FW "fw"
580 /* Control processor FW version */
581 #define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT "fw.mgmt"
582 /* FW interface specification version */
583 #define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT_API "fw.mgmt.api"
584 /* Data path microcode controlling high-speed packet processing */
585 #define DEVLINK_INFO_VERSION_GENERIC_FW_APP "fw.app"
586 /* UNDI software version */
587 #define DEVLINK_INFO_VERSION_GENERIC_FW_UNDI "fw.undi"
588 /* NCSI support/handler version */
589 #define DEVLINK_INFO_VERSION_GENERIC_FW_NCSI "fw.ncsi"
590 /* FW parameter set id */
591 #define DEVLINK_INFO_VERSION_GENERIC_FW_PSID "fw.psid"
592 /* RoCE FW version */
593 #define DEVLINK_INFO_VERSION_GENERIC_FW_ROCE "fw.roce"
594 /* Firmware bundle identifier */
595 #define DEVLINK_INFO_VERSION_GENERIC_FW_BUNDLE_ID "fw.bundle_id"
596
597 /**
598 * struct devlink_flash_update_params - Flash Update parameters
599 * @fw: pointer to the firmware data to update from
600 * @component: the flash component to update
601 *
602 * With the exception of fw, drivers must opt-in to parameters by
603 * setting the appropriate bit in the supported_flash_update_params field in
604 * their devlink_ops structure.
605 */
606 struct devlink_flash_update_params {
607 const struct firmware *fw;
608 const char *component;
609 u32 overwrite_mask;
610 };
611
612 #define DEVLINK_SUPPORT_FLASH_UPDATE_COMPONENT BIT(0)
613 #define DEVLINK_SUPPORT_FLASH_UPDATE_OVERWRITE_MASK BIT(1)
614
615 struct devlink_region;
616 struct devlink_info_req;
617
618 /**
619 * struct devlink_region_ops - Region operations
620 * @name: region name
621 * @destructor: callback used to free snapshot memory when deleting
622 * @snapshot: callback to request an immediate snapshot. On success,
623 * the data variable must be updated to point to the snapshot data.
624 * The function will be called while the devlink instance lock is
625 * held.
626 * @priv: Pointer to driver private data for the region operation
627 */
628 struct devlink_region_ops {
629 const char *name;
630 void (*destructor)(const void *data);
631 int (*snapshot)(struct devlink *devlink,
632 const struct devlink_region_ops *ops,
633 struct netlink_ext_ack *extack,
634 u8 **data);
635 void *priv;
636 };
637
638 /**
639 * struct devlink_port_region_ops - Region operations for a port
640 * @name: region name
641 * @destructor: callback used to free snapshot memory when deleting
642 * @snapshot: callback to request an immediate snapshot. On success,
643 * the data variable must be updated to point to the snapshot data.
644 * The function will be called while the devlink instance lock is
645 * held.
646 * @priv: Pointer to driver private data for the region operation
647 */
648 struct devlink_port_region_ops {
649 const char *name;
650 void (*destructor)(const void *data);
651 int (*snapshot)(struct devlink_port *port,
652 const struct devlink_port_region_ops *ops,
653 struct netlink_ext_ack *extack,
654 u8 **data);
655 void *priv;
656 };
657
658 struct devlink_fmsg;
659 struct devlink_health_reporter;
660
661 enum devlink_health_reporter_state {
662 DEVLINK_HEALTH_REPORTER_STATE_HEALTHY,
663 DEVLINK_HEALTH_REPORTER_STATE_ERROR,
664 };
665
666 /**
667 * struct devlink_health_reporter_ops - Reporter operations
668 * @name: reporter name
669 * @recover: callback to recover from reported error
670 * if priv_ctx is NULL, run a full recover
671 * @dump: callback to dump an object
672 * if priv_ctx is NULL, run a full dump
673 * @diagnose: callback to diagnose the current status
674 * @test: callback to trigger a test event
675 */
676
677 struct devlink_health_reporter_ops {
678 char *name;
679 int (*recover)(struct devlink_health_reporter *reporter,
680 void *priv_ctx, struct netlink_ext_ack *extack);
681 int (*dump)(struct devlink_health_reporter *reporter,
682 struct devlink_fmsg *fmsg, void *priv_ctx,
683 struct netlink_ext_ack *extack);
684 int (*diagnose)(struct devlink_health_reporter *reporter,
685 struct devlink_fmsg *fmsg,
686 struct netlink_ext_ack *extack);
687 int (*test)(struct devlink_health_reporter *reporter,
688 struct netlink_ext_ack *extack);
689 };
690
691 /**
692 * struct devlink_trap_metadata - Packet trap metadata.
693 * @trap_name: Trap name.
694 * @trap_group_name: Trap group name.
695 * @input_dev: Input netdevice.
696 * @fa_cookie: Flow action user cookie.
697 * @trap_type: Trap type.
698 */
699 struct devlink_trap_metadata {
700 const char *trap_name;
701 const char *trap_group_name;
702 struct net_device *input_dev;
703 const struct flow_action_cookie *fa_cookie;
704 enum devlink_trap_type trap_type;
705 };
706
707 /**
708 * struct devlink_trap_policer - Immutable packet trap policer attributes.
709 * @id: Policer identifier.
710 * @init_rate: Initial rate in packets / sec.
711 * @init_burst: Initial burst size in packets.
712 * @max_rate: Maximum rate.
713 * @min_rate: Minimum rate.
714 * @max_burst: Maximum burst size.
715 * @min_burst: Minimum burst size.
716 *
717 * Describes immutable attributes of packet trap policers that drivers register
718 * with devlink.
719 */
720 struct devlink_trap_policer {
721 u32 id;
722 u64 init_rate;
723 u64 init_burst;
724 u64 max_rate;
725 u64 min_rate;
726 u64 max_burst;
727 u64 min_burst;
728 };
729
730 /**
731 * struct devlink_trap_group - Immutable packet trap group attributes.
732 * @name: Trap group name.
733 * @id: Trap group identifier.
734 * @generic: Whether the trap group is generic or not.
735 * @init_policer_id: Initial policer identifier.
736 *
737 * Describes immutable attributes of packet trap groups that drivers register
738 * with devlink.
739 */
740 struct devlink_trap_group {
741 const char *name;
742 u16 id;
743 bool generic;
744 u32 init_policer_id;
745 };
746
747 #define DEVLINK_TRAP_METADATA_TYPE_F_IN_PORT BIT(0)
748 #define DEVLINK_TRAP_METADATA_TYPE_F_FA_COOKIE BIT(1)
749
750 /**
751 * struct devlink_trap - Immutable packet trap attributes.
752 * @type: Trap type.
753 * @init_action: Initial trap action.
754 * @generic: Whether the trap is generic or not.
755 * @id: Trap identifier.
756 * @name: Trap name.
757 * @init_group_id: Initial group identifier.
758 * @metadata_cap: Metadata types that can be provided by the trap.
759 *
760 * Describes immutable attributes of packet traps that drivers register with
761 * devlink.
762 */
763 struct devlink_trap {
764 enum devlink_trap_type type;
765 enum devlink_trap_action init_action;
766 bool generic;
767 u16 id;
768 const char *name;
769 u16 init_group_id;
770 u32 metadata_cap;
771 };
772
773 /* All traps must be documented in
774 * Documentation/networking/devlink/devlink-trap.rst
775 */
776 enum devlink_trap_generic_id {
777 DEVLINK_TRAP_GENERIC_ID_SMAC_MC,
778 DEVLINK_TRAP_GENERIC_ID_VLAN_TAG_MISMATCH,
779 DEVLINK_TRAP_GENERIC_ID_INGRESS_VLAN_FILTER,
780 DEVLINK_TRAP_GENERIC_ID_INGRESS_STP_FILTER,
781 DEVLINK_TRAP_GENERIC_ID_EMPTY_TX_LIST,
782 DEVLINK_TRAP_GENERIC_ID_PORT_LOOPBACK_FILTER,
783 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_ROUTE,
784 DEVLINK_TRAP_GENERIC_ID_TTL_ERROR,
785 DEVLINK_TRAP_GENERIC_ID_TAIL_DROP,
786 DEVLINK_TRAP_GENERIC_ID_NON_IP_PACKET,
787 DEVLINK_TRAP_GENERIC_ID_UC_DIP_MC_DMAC,
788 DEVLINK_TRAP_GENERIC_ID_DIP_LB,
789 DEVLINK_TRAP_GENERIC_ID_SIP_MC,
790 DEVLINK_TRAP_GENERIC_ID_SIP_LB,
791 DEVLINK_TRAP_GENERIC_ID_CORRUPTED_IP_HDR,
792 DEVLINK_TRAP_GENERIC_ID_IPV4_SIP_BC,
793 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_RESERVED_SCOPE,
794 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE,
795 DEVLINK_TRAP_GENERIC_ID_MTU_ERROR,
796 DEVLINK_TRAP_GENERIC_ID_UNRESOLVED_NEIGH,
797 DEVLINK_TRAP_GENERIC_ID_RPF,
798 DEVLINK_TRAP_GENERIC_ID_REJECT_ROUTE,
799 DEVLINK_TRAP_GENERIC_ID_IPV4_LPM_UNICAST_MISS,
800 DEVLINK_TRAP_GENERIC_ID_IPV6_LPM_UNICAST_MISS,
801 DEVLINK_TRAP_GENERIC_ID_NON_ROUTABLE,
802 DEVLINK_TRAP_GENERIC_ID_DECAP_ERROR,
803 DEVLINK_TRAP_GENERIC_ID_OVERLAY_SMAC_MC,
804 DEVLINK_TRAP_GENERIC_ID_INGRESS_FLOW_ACTION_DROP,
805 DEVLINK_TRAP_GENERIC_ID_EGRESS_FLOW_ACTION_DROP,
806 DEVLINK_TRAP_GENERIC_ID_STP,
807 DEVLINK_TRAP_GENERIC_ID_LACP,
808 DEVLINK_TRAP_GENERIC_ID_LLDP,
809 DEVLINK_TRAP_GENERIC_ID_IGMP_QUERY,
810 DEVLINK_TRAP_GENERIC_ID_IGMP_V1_REPORT,
811 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_REPORT,
812 DEVLINK_TRAP_GENERIC_ID_IGMP_V3_REPORT,
813 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_LEAVE,
814 DEVLINK_TRAP_GENERIC_ID_MLD_QUERY,
815 DEVLINK_TRAP_GENERIC_ID_MLD_V1_REPORT,
816 DEVLINK_TRAP_GENERIC_ID_MLD_V2_REPORT,
817 DEVLINK_TRAP_GENERIC_ID_MLD_V1_DONE,
818 DEVLINK_TRAP_GENERIC_ID_IPV4_DHCP,
819 DEVLINK_TRAP_GENERIC_ID_IPV6_DHCP,
820 DEVLINK_TRAP_GENERIC_ID_ARP_REQUEST,
821 DEVLINK_TRAP_GENERIC_ID_ARP_RESPONSE,
822 DEVLINK_TRAP_GENERIC_ID_ARP_OVERLAY,
823 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_SOLICIT,
824 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_ADVERT,
825 DEVLINK_TRAP_GENERIC_ID_IPV4_BFD,
826 DEVLINK_TRAP_GENERIC_ID_IPV6_BFD,
827 DEVLINK_TRAP_GENERIC_ID_IPV4_OSPF,
828 DEVLINK_TRAP_GENERIC_ID_IPV6_OSPF,
829 DEVLINK_TRAP_GENERIC_ID_IPV4_BGP,
830 DEVLINK_TRAP_GENERIC_ID_IPV6_BGP,
831 DEVLINK_TRAP_GENERIC_ID_IPV4_VRRP,
832 DEVLINK_TRAP_GENERIC_ID_IPV6_VRRP,
833 DEVLINK_TRAP_GENERIC_ID_IPV4_PIM,
834 DEVLINK_TRAP_GENERIC_ID_IPV6_PIM,
835 DEVLINK_TRAP_GENERIC_ID_UC_LB,
836 DEVLINK_TRAP_GENERIC_ID_LOCAL_ROUTE,
837 DEVLINK_TRAP_GENERIC_ID_EXTERNAL_ROUTE,
838 DEVLINK_TRAP_GENERIC_ID_IPV6_UC_DIP_LINK_LOCAL_SCOPE,
839 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_NODES,
840 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_ROUTERS,
841 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_SOLICIT,
842 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ADVERT,
843 DEVLINK_TRAP_GENERIC_ID_IPV6_REDIRECT,
844 DEVLINK_TRAP_GENERIC_ID_IPV4_ROUTER_ALERT,
845 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ALERT,
846 DEVLINK_TRAP_GENERIC_ID_PTP_EVENT,
847 DEVLINK_TRAP_GENERIC_ID_PTP_GENERAL,
848 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_SAMPLE,
849 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_TRAP,
850 DEVLINK_TRAP_GENERIC_ID_EARLY_DROP,
851 DEVLINK_TRAP_GENERIC_ID_VXLAN_PARSING,
852 DEVLINK_TRAP_GENERIC_ID_LLC_SNAP_PARSING,
853 DEVLINK_TRAP_GENERIC_ID_VLAN_PARSING,
854 DEVLINK_TRAP_GENERIC_ID_PPPOE_PPP_PARSING,
855 DEVLINK_TRAP_GENERIC_ID_MPLS_PARSING,
856 DEVLINK_TRAP_GENERIC_ID_ARP_PARSING,
857 DEVLINK_TRAP_GENERIC_ID_IP_1_PARSING,
858 DEVLINK_TRAP_GENERIC_ID_IP_N_PARSING,
859 DEVLINK_TRAP_GENERIC_ID_GRE_PARSING,
860 DEVLINK_TRAP_GENERIC_ID_UDP_PARSING,
861 DEVLINK_TRAP_GENERIC_ID_TCP_PARSING,
862 DEVLINK_TRAP_GENERIC_ID_IPSEC_PARSING,
863 DEVLINK_TRAP_GENERIC_ID_SCTP_PARSING,
864 DEVLINK_TRAP_GENERIC_ID_DCCP_PARSING,
865 DEVLINK_TRAP_GENERIC_ID_GTP_PARSING,
866 DEVLINK_TRAP_GENERIC_ID_ESP_PARSING,
867 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_NEXTHOP,
868 DEVLINK_TRAP_GENERIC_ID_DMAC_FILTER,
869
870 /* Add new generic trap IDs above */
871 __DEVLINK_TRAP_GENERIC_ID_MAX,
872 DEVLINK_TRAP_GENERIC_ID_MAX = __DEVLINK_TRAP_GENERIC_ID_MAX - 1,
873 };
874
875 /* All trap groups must be documented in
876 * Documentation/networking/devlink/devlink-trap.rst
877 */
878 enum devlink_trap_group_generic_id {
879 DEVLINK_TRAP_GROUP_GENERIC_ID_L2_DROPS,
880 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_DROPS,
881 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_EXCEPTIONS,
882 DEVLINK_TRAP_GROUP_GENERIC_ID_BUFFER_DROPS,
883 DEVLINK_TRAP_GROUP_GENERIC_ID_TUNNEL_DROPS,
884 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_DROPS,
885 DEVLINK_TRAP_GROUP_GENERIC_ID_STP,
886 DEVLINK_TRAP_GROUP_GENERIC_ID_LACP,
887 DEVLINK_TRAP_GROUP_GENERIC_ID_LLDP,
888 DEVLINK_TRAP_GROUP_GENERIC_ID_MC_SNOOPING,
889 DEVLINK_TRAP_GROUP_GENERIC_ID_DHCP,
890 DEVLINK_TRAP_GROUP_GENERIC_ID_NEIGH_DISCOVERY,
891 DEVLINK_TRAP_GROUP_GENERIC_ID_BFD,
892 DEVLINK_TRAP_GROUP_GENERIC_ID_OSPF,
893 DEVLINK_TRAP_GROUP_GENERIC_ID_BGP,
894 DEVLINK_TRAP_GROUP_GENERIC_ID_VRRP,
895 DEVLINK_TRAP_GROUP_GENERIC_ID_PIM,
896 DEVLINK_TRAP_GROUP_GENERIC_ID_UC_LB,
897 DEVLINK_TRAP_GROUP_GENERIC_ID_LOCAL_DELIVERY,
898 DEVLINK_TRAP_GROUP_GENERIC_ID_EXTERNAL_DELIVERY,
899 DEVLINK_TRAP_GROUP_GENERIC_ID_IPV6,
900 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_EVENT,
901 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_GENERAL,
902 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_SAMPLE,
903 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_TRAP,
904 DEVLINK_TRAP_GROUP_GENERIC_ID_PARSER_ERROR_DROPS,
905
906 /* Add new generic trap group IDs above */
907 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX,
908 DEVLINK_TRAP_GROUP_GENERIC_ID_MAX =
909 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX - 1,
910 };
911
912 #define DEVLINK_TRAP_GENERIC_NAME_SMAC_MC \
913 "source_mac_is_multicast"
914 #define DEVLINK_TRAP_GENERIC_NAME_VLAN_TAG_MISMATCH \
915 "vlan_tag_mismatch"
916 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_VLAN_FILTER \
917 "ingress_vlan_filter"
918 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_STP_FILTER \
919 "ingress_spanning_tree_filter"
920 #define DEVLINK_TRAP_GENERIC_NAME_EMPTY_TX_LIST \
921 "port_list_is_empty"
922 #define DEVLINK_TRAP_GENERIC_NAME_PORT_LOOPBACK_FILTER \
923 "port_loopback_filter"
924 #define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_ROUTE \
925 "blackhole_route"
926 #define DEVLINK_TRAP_GENERIC_NAME_TTL_ERROR \
927 "ttl_value_is_too_small"
928 #define DEVLINK_TRAP_GENERIC_NAME_TAIL_DROP \
929 "tail_drop"
930 #define DEVLINK_TRAP_GENERIC_NAME_NON_IP_PACKET \
931 "non_ip"
932 #define DEVLINK_TRAP_GENERIC_NAME_UC_DIP_MC_DMAC \
933 "uc_dip_over_mc_dmac"
934 #define DEVLINK_TRAP_GENERIC_NAME_DIP_LB \
935 "dip_is_loopback_address"
936 #define DEVLINK_TRAP_GENERIC_NAME_SIP_MC \
937 "sip_is_mc"
938 #define DEVLINK_TRAP_GENERIC_NAME_SIP_LB \
939 "sip_is_loopback_address"
940 #define DEVLINK_TRAP_GENERIC_NAME_CORRUPTED_IP_HDR \
941 "ip_header_corrupted"
942 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_SIP_BC \
943 "ipv4_sip_is_limited_bc"
944 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_RESERVED_SCOPE \
945 "ipv6_mc_dip_reserved_scope"
946 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE \
947 "ipv6_mc_dip_interface_local_scope"
948 #define DEVLINK_TRAP_GENERIC_NAME_MTU_ERROR \
949 "mtu_value_is_too_small"
950 #define DEVLINK_TRAP_GENERIC_NAME_UNRESOLVED_NEIGH \
951 "unresolved_neigh"
952 #define DEVLINK_TRAP_GENERIC_NAME_RPF \
953 "mc_reverse_path_forwarding"
954 #define DEVLINK_TRAP_GENERIC_NAME_REJECT_ROUTE \
955 "reject_route"
956 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_LPM_UNICAST_MISS \
957 "ipv4_lpm_miss"
958 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_LPM_UNICAST_MISS \
959 "ipv6_lpm_miss"
960 #define DEVLINK_TRAP_GENERIC_NAME_NON_ROUTABLE \
961 "non_routable_packet"
962 #define DEVLINK_TRAP_GENERIC_NAME_DECAP_ERROR \
963 "decap_error"
964 #define DEVLINK_TRAP_GENERIC_NAME_OVERLAY_SMAC_MC \
965 "overlay_smac_is_mc"
966 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_FLOW_ACTION_DROP \
967 "ingress_flow_action_drop"
968 #define DEVLINK_TRAP_GENERIC_NAME_EGRESS_FLOW_ACTION_DROP \
969 "egress_flow_action_drop"
970 #define DEVLINK_TRAP_GENERIC_NAME_STP \
971 "stp"
972 #define DEVLINK_TRAP_GENERIC_NAME_LACP \
973 "lacp"
974 #define DEVLINK_TRAP_GENERIC_NAME_LLDP \
975 "lldp"
976 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_QUERY \
977 "igmp_query"
978 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V1_REPORT \
979 "igmp_v1_report"
980 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_REPORT \
981 "igmp_v2_report"
982 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V3_REPORT \
983 "igmp_v3_report"
984 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_LEAVE \
985 "igmp_v2_leave"
986 #define DEVLINK_TRAP_GENERIC_NAME_MLD_QUERY \
987 "mld_query"
988 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_REPORT \
989 "mld_v1_report"
990 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V2_REPORT \
991 "mld_v2_report"
992 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_DONE \
993 "mld_v1_done"
994 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_DHCP \
995 "ipv4_dhcp"
996 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DHCP \
997 "ipv6_dhcp"
998 #define DEVLINK_TRAP_GENERIC_NAME_ARP_REQUEST \
999 "arp_request"
1000 #define DEVLINK_TRAP_GENERIC_NAME_ARP_RESPONSE \
1001 "arp_response"
1002 #define DEVLINK_TRAP_GENERIC_NAME_ARP_OVERLAY \
1003 "arp_overlay"
1004 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_SOLICIT \
1005 "ipv6_neigh_solicit"
1006 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_ADVERT \
1007 "ipv6_neigh_advert"
1008 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_BFD \
1009 "ipv4_bfd"
1010 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_BFD \
1011 "ipv6_bfd"
1012 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_OSPF \
1013 "ipv4_ospf"
1014 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_OSPF \
1015 "ipv6_ospf"
1016 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_BGP \
1017 "ipv4_bgp"
1018 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_BGP \
1019 "ipv6_bgp"
1020 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_VRRP \
1021 "ipv4_vrrp"
1022 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_VRRP \
1023 "ipv6_vrrp"
1024 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_PIM \
1025 "ipv4_pim"
1026 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_PIM \
1027 "ipv6_pim"
1028 #define DEVLINK_TRAP_GENERIC_NAME_UC_LB \
1029 "uc_loopback"
1030 #define DEVLINK_TRAP_GENERIC_NAME_LOCAL_ROUTE \
1031 "local_route"
1032 #define DEVLINK_TRAP_GENERIC_NAME_EXTERNAL_ROUTE \
1033 "external_route"
1034 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_UC_DIP_LINK_LOCAL_SCOPE \
1035 "ipv6_uc_dip_link_local_scope"
1036 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_NODES \
1037 "ipv6_dip_all_nodes"
1038 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_ROUTERS \
1039 "ipv6_dip_all_routers"
1040 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_SOLICIT \
1041 "ipv6_router_solicit"
1042 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ADVERT \
1043 "ipv6_router_advert"
1044 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_REDIRECT \
1045 "ipv6_redirect"
1046 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_ROUTER_ALERT \
1047 "ipv4_router_alert"
1048 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ALERT \
1049 "ipv6_router_alert"
1050 #define DEVLINK_TRAP_GENERIC_NAME_PTP_EVENT \
1051 "ptp_event"
1052 #define DEVLINK_TRAP_GENERIC_NAME_PTP_GENERAL \
1053 "ptp_general"
1054 #define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_SAMPLE \
1055 "flow_action_sample"
1056 #define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_TRAP \
1057 "flow_action_trap"
1058 #define DEVLINK_TRAP_GENERIC_NAME_EARLY_DROP \
1059 "early_drop"
1060 #define DEVLINK_TRAP_GENERIC_NAME_VXLAN_PARSING \
1061 "vxlan_parsing"
1062 #define DEVLINK_TRAP_GENERIC_NAME_LLC_SNAP_PARSING \
1063 "llc_snap_parsing"
1064 #define DEVLINK_TRAP_GENERIC_NAME_VLAN_PARSING \
1065 "vlan_parsing"
1066 #define DEVLINK_TRAP_GENERIC_NAME_PPPOE_PPP_PARSING \
1067 "pppoe_ppp_parsing"
1068 #define DEVLINK_TRAP_GENERIC_NAME_MPLS_PARSING \
1069 "mpls_parsing"
1070 #define DEVLINK_TRAP_GENERIC_NAME_ARP_PARSING \
1071 "arp_parsing"
1072 #define DEVLINK_TRAP_GENERIC_NAME_IP_1_PARSING \
1073 "ip_1_parsing"
1074 #define DEVLINK_TRAP_GENERIC_NAME_IP_N_PARSING \
1075 "ip_n_parsing"
1076 #define DEVLINK_TRAP_GENERIC_NAME_GRE_PARSING \
1077 "gre_parsing"
1078 #define DEVLINK_TRAP_GENERIC_NAME_UDP_PARSING \
1079 "udp_parsing"
1080 #define DEVLINK_TRAP_GENERIC_NAME_TCP_PARSING \
1081 "tcp_parsing"
1082 #define DEVLINK_TRAP_GENERIC_NAME_IPSEC_PARSING \
1083 "ipsec_parsing"
1084 #define DEVLINK_TRAP_GENERIC_NAME_SCTP_PARSING \
1085 "sctp_parsing"
1086 #define DEVLINK_TRAP_GENERIC_NAME_DCCP_PARSING \
1087 "dccp_parsing"
1088 #define DEVLINK_TRAP_GENERIC_NAME_GTP_PARSING \
1089 "gtp_parsing"
1090 #define DEVLINK_TRAP_GENERIC_NAME_ESP_PARSING \
1091 "esp_parsing"
1092 #define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_NEXTHOP \
1093 "blackhole_nexthop"
1094 #define DEVLINK_TRAP_GENERIC_NAME_DMAC_FILTER \
1095 "dmac_filter"
1096
1097 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L2_DROPS \
1098 "l2_drops"
1099 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_DROPS \
1100 "l3_drops"
1101 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_EXCEPTIONS \
1102 "l3_exceptions"
1103 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BUFFER_DROPS \
1104 "buffer_drops"
1105 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_TUNNEL_DROPS \
1106 "tunnel_drops"
1107 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_DROPS \
1108 "acl_drops"
1109 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_STP \
1110 "stp"
1111 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LACP \
1112 "lacp"
1113 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LLDP \
1114 "lldp"
1115 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_MC_SNOOPING \
1116 "mc_snooping"
1117 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_DHCP \
1118 "dhcp"
1119 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_NEIGH_DISCOVERY \
1120 "neigh_discovery"
1121 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BFD \
1122 "bfd"
1123 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_OSPF \
1124 "ospf"
1125 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BGP \
1126 "bgp"
1127 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_VRRP \
1128 "vrrp"
1129 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PIM \
1130 "pim"
1131 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_UC_LB \
1132 "uc_loopback"
1133 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LOCAL_DELIVERY \
1134 "local_delivery"
1135 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_EXTERNAL_DELIVERY \
1136 "external_delivery"
1137 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_IPV6 \
1138 "ipv6"
1139 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_EVENT \
1140 "ptp_event"
1141 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_GENERAL \
1142 "ptp_general"
1143 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_SAMPLE \
1144 "acl_sample"
1145 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_TRAP \
1146 "acl_trap"
1147 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PARSER_ERROR_DROPS \
1148 "parser_error_drops"
1149
1150 #define DEVLINK_TRAP_GENERIC(_type, _init_action, _id, _group_id, \
1151 _metadata_cap) \
1152 { \
1153 .type = DEVLINK_TRAP_TYPE_##_type, \
1154 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \
1155 .generic = true, \
1156 .id = DEVLINK_TRAP_GENERIC_ID_##_id, \
1157 .name = DEVLINK_TRAP_GENERIC_NAME_##_id, \
1158 .init_group_id = _group_id, \
1159 .metadata_cap = _metadata_cap, \
1160 }
1161
1162 #define DEVLINK_TRAP_DRIVER(_type, _init_action, _id, _name, _group_id, \
1163 _metadata_cap) \
1164 { \
1165 .type = DEVLINK_TRAP_TYPE_##_type, \
1166 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \
1167 .generic = false, \
1168 .id = _id, \
1169 .name = _name, \
1170 .init_group_id = _group_id, \
1171 .metadata_cap = _metadata_cap, \
1172 }
1173
1174 #define DEVLINK_TRAP_GROUP_GENERIC(_id, _policer_id) \
1175 { \
1176 .name = DEVLINK_TRAP_GROUP_GENERIC_NAME_##_id, \
1177 .id = DEVLINK_TRAP_GROUP_GENERIC_ID_##_id, \
1178 .generic = true, \
1179 .init_policer_id = _policer_id, \
1180 }
1181
1182 #define DEVLINK_TRAP_POLICER(_id, _rate, _burst, _max_rate, _min_rate, \
1183 _max_burst, _min_burst) \
1184 { \
1185 .id = _id, \
1186 .init_rate = _rate, \
1187 .init_burst = _burst, \
1188 .max_rate = _max_rate, \
1189 .min_rate = _min_rate, \
1190 .max_burst = _max_burst, \
1191 .min_burst = _min_burst, \
1192 }
1193
1194 struct devlink_ops {
1195 /**
1196 * @supported_flash_update_params:
1197 * mask of parameters supported by the driver's .flash_update
1198 * implemementation.
1199 */
1200 u32 supported_flash_update_params;
1201 unsigned long reload_actions;
1202 unsigned long reload_limits;
1203 int (*reload_down)(struct devlink *devlink, bool netns_change,
1204 enum devlink_reload_action action,
1205 enum devlink_reload_limit limit,
1206 struct netlink_ext_ack *extack);
1207 int (*reload_up)(struct devlink *devlink, enum devlink_reload_action action,
1208 enum devlink_reload_limit limit, u32 *actions_performed,
1209 struct netlink_ext_ack *extack);
1210 int (*port_type_set)(struct devlink_port *devlink_port,
1211 enum devlink_port_type port_type);
1212 int (*port_split)(struct devlink *devlink, unsigned int port_index,
1213 unsigned int count, struct netlink_ext_ack *extack);
1214 int (*port_unsplit)(struct devlink *devlink, unsigned int port_index,
1215 struct netlink_ext_ack *extack);
1216 int (*sb_pool_get)(struct devlink *devlink, unsigned int sb_index,
1217 u16 pool_index,
1218 struct devlink_sb_pool_info *pool_info);
1219 int (*sb_pool_set)(struct devlink *devlink, unsigned int sb_index,
1220 u16 pool_index, u32 size,
1221 enum devlink_sb_threshold_type threshold_type,
1222 struct netlink_ext_ack *extack);
1223 int (*sb_port_pool_get)(struct devlink_port *devlink_port,
1224 unsigned int sb_index, u16 pool_index,
1225 u32 *p_threshold);
1226 int (*sb_port_pool_set)(struct devlink_port *devlink_port,
1227 unsigned int sb_index, u16 pool_index,
1228 u32 threshold, struct netlink_ext_ack *extack);
1229 int (*sb_tc_pool_bind_get)(struct devlink_port *devlink_port,
1230 unsigned int sb_index,
1231 u16 tc_index,
1232 enum devlink_sb_pool_type pool_type,
1233 u16 *p_pool_index, u32 *p_threshold);
1234 int (*sb_tc_pool_bind_set)(struct devlink_port *devlink_port,
1235 unsigned int sb_index,
1236 u16 tc_index,
1237 enum devlink_sb_pool_type pool_type,
1238 u16 pool_index, u32 threshold,
1239 struct netlink_ext_ack *extack);
1240 int (*sb_occ_snapshot)(struct devlink *devlink,
1241 unsigned int sb_index);
1242 int (*sb_occ_max_clear)(struct devlink *devlink,
1243 unsigned int sb_index);
1244 int (*sb_occ_port_pool_get)(struct devlink_port *devlink_port,
1245 unsigned int sb_index, u16 pool_index,
1246 u32 *p_cur, u32 *p_max);
1247 int (*sb_occ_tc_port_bind_get)(struct devlink_port *devlink_port,
1248 unsigned int sb_index,
1249 u16 tc_index,
1250 enum devlink_sb_pool_type pool_type,
1251 u32 *p_cur, u32 *p_max);
1252
1253 int (*eswitch_mode_get)(struct devlink *devlink, u16 *p_mode);
1254 int (*eswitch_mode_set)(struct devlink *devlink, u16 mode,
1255 struct netlink_ext_ack *extack);
1256 int (*eswitch_inline_mode_get)(struct devlink *devlink, u8 *p_inline_mode);
1257 int (*eswitch_inline_mode_set)(struct devlink *devlink, u8 inline_mode,
1258 struct netlink_ext_ack *extack);
1259 int (*eswitch_encap_mode_get)(struct devlink *devlink,
1260 enum devlink_eswitch_encap_mode *p_encap_mode);
1261 int (*eswitch_encap_mode_set)(struct devlink *devlink,
1262 enum devlink_eswitch_encap_mode encap_mode,
1263 struct netlink_ext_ack *extack);
1264 int (*info_get)(struct devlink *devlink, struct devlink_info_req *req,
1265 struct netlink_ext_ack *extack);
1266 /**
1267 * @flash_update: Device flash update function
1268 *
1269 * Used to perform a flash update for the device. The set of
1270 * parameters supported by the driver should be set in
1271 * supported_flash_update_params.
1272 */
1273 int (*flash_update)(struct devlink *devlink,
1274 struct devlink_flash_update_params *params,
1275 struct netlink_ext_ack *extack);
1276 /**
1277 * @trap_init: Trap initialization function.
1278 *
1279 * Should be used by device drivers to initialize the trap in the
1280 * underlying device. Drivers should also store the provided trap
1281 * context, so that they could efficiently pass it to
1282 * devlink_trap_report() when the trap is triggered.
1283 */
1284 int (*trap_init)(struct devlink *devlink,
1285 const struct devlink_trap *trap, void *trap_ctx);
1286 /**
1287 * @trap_fini: Trap de-initialization function.
1288 *
1289 * Should be used by device drivers to de-initialize the trap in the
1290 * underlying device.
1291 */
1292 void (*trap_fini)(struct devlink *devlink,
1293 const struct devlink_trap *trap, void *trap_ctx);
1294 /**
1295 * @trap_action_set: Trap action set function.
1296 */
1297 int (*trap_action_set)(struct devlink *devlink,
1298 const struct devlink_trap *trap,
1299 enum devlink_trap_action action,
1300 struct netlink_ext_ack *extack);
1301 /**
1302 * @trap_group_init: Trap group initialization function.
1303 *
1304 * Should be used by device drivers to initialize the trap group in the
1305 * underlying device.
1306 */
1307 int (*trap_group_init)(struct devlink *devlink,
1308 const struct devlink_trap_group *group);
1309 /**
1310 * @trap_group_set: Trap group parameters set function.
1311 *
1312 * Note: @policer can be NULL when a policer is being unbound from
1313 * @group.
1314 */
1315 int (*trap_group_set)(struct devlink *devlink,
1316 const struct devlink_trap_group *group,
1317 const struct devlink_trap_policer *policer,
1318 struct netlink_ext_ack *extack);
1319 /**
1320 * @trap_group_action_set: Trap group action set function.
1321 *
1322 * If this callback is populated, it will take precedence over looping
1323 * over all traps in a group and calling .trap_action_set().
1324 */
1325 int (*trap_group_action_set)(struct devlink *devlink,
1326 const struct devlink_trap_group *group,
1327 enum devlink_trap_action action,
1328 struct netlink_ext_ack *extack);
1329 /**
1330 * @trap_policer_init: Trap policer initialization function.
1331 *
1332 * Should be used by device drivers to initialize the trap policer in
1333 * the underlying device.
1334 */
1335 int (*trap_policer_init)(struct devlink *devlink,
1336 const struct devlink_trap_policer *policer);
1337 /**
1338 * @trap_policer_fini: Trap policer de-initialization function.
1339 *
1340 * Should be used by device drivers to de-initialize the trap policer
1341 * in the underlying device.
1342 */
1343 void (*trap_policer_fini)(struct devlink *devlink,
1344 const struct devlink_trap_policer *policer);
1345 /**
1346 * @trap_policer_set: Trap policer parameters set function.
1347 */
1348 int (*trap_policer_set)(struct devlink *devlink,
1349 const struct devlink_trap_policer *policer,
1350 u64 rate, u64 burst,
1351 struct netlink_ext_ack *extack);
1352 /**
1353 * @trap_policer_counter_get: Trap policer counter get function.
1354 *
1355 * Should be used by device drivers to report number of packets dropped
1356 * by the policer.
1357 */
1358 int (*trap_policer_counter_get)(struct devlink *devlink,
1359 const struct devlink_trap_policer *policer,
1360 u64 *p_drops);
1361 /**
1362 * @port_function_hw_addr_get: Port function's hardware address get function.
1363 *
1364 * Should be used by device drivers to report the hardware address of a function managed
1365 * by the devlink port. Driver should return -EOPNOTSUPP if it doesn't support port
1366 * function handling for a particular port.
1367 *
1368 * Note: @extack can be NULL when port notifier queries the port function.
1369 */
1370 int (*port_function_hw_addr_get)(struct devlink *devlink, struct devlink_port *port,
1371 u8 *hw_addr, int *hw_addr_len,
1372 struct netlink_ext_ack *extack);
1373 /**
1374 * @port_function_hw_addr_set: Port function's hardware address set function.
1375 *
1376 * Should be used by device drivers to set the hardware address of a function managed
1377 * by the devlink port. Driver should return -EOPNOTSUPP if it doesn't support port
1378 * function handling for a particular port.
1379 */
1380 int (*port_function_hw_addr_set)(struct devlink *devlink, struct devlink_port *port,
1381 const u8 *hw_addr, int hw_addr_len,
1382 struct netlink_ext_ack *extack);
1383 /**
1384 * port_new() - Add a new port function of a specified flavor
1385 * @devlink: Devlink instance
1386 * @attrs: attributes of the new port
1387 * @extack: extack for reporting error messages
1388 * @new_port_index: index of the new port
1389 *
1390 * Devlink core will call this device driver function upon user request
1391 * to create a new port function of a specified flavor and optional
1392 * attributes
1393 *
1394 * Notes:
1395 * - Called without devlink instance lock being held. Drivers must
1396 * implement own means of synchronization
1397 * - On success, drivers must register a port with devlink core
1398 *
1399 * Return: 0 on success, negative value otherwise.
1400 */
1401 int (*port_new)(struct devlink *devlink,
1402 const struct devlink_port_new_attrs *attrs,
1403 struct netlink_ext_ack *extack,
1404 unsigned int *new_port_index);
1405 /**
1406 * port_del() - Delete a port function
1407 * @devlink: Devlink instance
1408 * @port_index: port function index to delete
1409 * @extack: extack for reporting error messages
1410 *
1411 * Devlink core will call this device driver function upon user request
1412 * to delete a previously created port function
1413 *
1414 * Notes:
1415 * - Called without devlink instance lock being held. Drivers must
1416 * implement own means of synchronization
1417 * - On success, drivers must unregister the corresponding devlink
1418 * port
1419 *
1420 * Return: 0 on success, negative value otherwise.
1421 */
1422 int (*port_del)(struct devlink *devlink, unsigned int port_index,
1423 struct netlink_ext_ack *extack);
1424 /**
1425 * port_fn_state_get() - Get the state of a port function
1426 * @devlink: Devlink instance
1427 * @port: The devlink port
1428 * @state: Admin configured state
1429 * @opstate: Current operational state
1430 * @extack: extack for reporting error messages
1431 *
1432 * Reports the admin and operational state of a devlink port function
1433 *
1434 * Return: 0 on success, negative value otherwise.
1435 */
1436 int (*port_fn_state_get)(struct devlink *devlink,
1437 struct devlink_port *port,
1438 enum devlink_port_fn_state *state,
1439 enum devlink_port_fn_opstate *opstate,
1440 struct netlink_ext_ack *extack);
1441 /**
1442 * port_fn_state_set() - Set the admin state of a port function
1443 * @devlink: Devlink instance
1444 * @port: The devlink port
1445 * @state: Admin state
1446 * @extack: extack for reporting error messages
1447 *
1448 * Set the admin state of a devlink port function
1449 *
1450 * Return: 0 on success, negative value otherwise.
1451 */
1452 int (*port_fn_state_set)(struct devlink *devlink,
1453 struct devlink_port *port,
1454 enum devlink_port_fn_state state,
1455 struct netlink_ext_ack *extack);
1456 };
1457
devlink_priv(struct devlink * devlink)1458 static inline void *devlink_priv(struct devlink *devlink)
1459 {
1460 BUG_ON(!devlink);
1461 return &devlink->priv;
1462 }
1463
priv_to_devlink(void * priv)1464 static inline struct devlink *priv_to_devlink(void *priv)
1465 {
1466 BUG_ON(!priv);
1467 return container_of(priv, struct devlink, priv);
1468 }
1469
1470 static inline struct devlink_port *
netdev_to_devlink_port(struct net_device * dev)1471 netdev_to_devlink_port(struct net_device *dev)
1472 {
1473 if (dev->netdev_ops->ndo_get_devlink_port)
1474 return dev->netdev_ops->ndo_get_devlink_port(dev);
1475 return NULL;
1476 }
1477
netdev_to_devlink(struct net_device * dev)1478 static inline struct devlink *netdev_to_devlink(struct net_device *dev)
1479 {
1480 struct devlink_port *devlink_port = netdev_to_devlink_port(dev);
1481
1482 if (devlink_port)
1483 return devlink_port->devlink;
1484 return NULL;
1485 }
1486
1487 struct ib_device;
1488
1489 struct net *devlink_net(const struct devlink *devlink);
1490 void devlink_net_set(struct devlink *devlink, struct net *net);
1491 struct devlink *devlink_alloc(const struct devlink_ops *ops, size_t priv_size);
1492 int devlink_register(struct devlink *devlink, struct device *dev);
1493 void devlink_unregister(struct devlink *devlink);
1494 void devlink_reload_enable(struct devlink *devlink);
1495 void devlink_reload_disable(struct devlink *devlink);
1496 void devlink_free(struct devlink *devlink);
1497 int devlink_port_register(struct devlink *devlink,
1498 struct devlink_port *devlink_port,
1499 unsigned int port_index);
1500 void devlink_port_unregister(struct devlink_port *devlink_port);
1501 void devlink_port_type_eth_set(struct devlink_port *devlink_port,
1502 struct net_device *netdev);
1503 void devlink_port_type_ib_set(struct devlink_port *devlink_port,
1504 struct ib_device *ibdev);
1505 void devlink_port_type_clear(struct devlink_port *devlink_port);
1506 void devlink_port_attrs_set(struct devlink_port *devlink_port,
1507 struct devlink_port_attrs *devlink_port_attrs);
1508 void devlink_port_attrs_pci_pf_set(struct devlink_port *devlink_port, u32 controller,
1509 u16 pf, bool external);
1510 void devlink_port_attrs_pci_vf_set(struct devlink_port *devlink_port, u32 controller,
1511 u16 pf, u16 vf, bool external);
1512 void devlink_port_attrs_pci_sf_set(struct devlink_port *devlink_port,
1513 u32 controller, u16 pf, u32 sf,
1514 bool external);
1515 int devlink_sb_register(struct devlink *devlink, unsigned int sb_index,
1516 u32 size, u16 ingress_pools_count,
1517 u16 egress_pools_count, u16 ingress_tc_count,
1518 u16 egress_tc_count);
1519 void devlink_sb_unregister(struct devlink *devlink, unsigned int sb_index);
1520 int devlink_dpipe_table_register(struct devlink *devlink,
1521 const char *table_name,
1522 struct devlink_dpipe_table_ops *table_ops,
1523 void *priv, bool counter_control_extern);
1524 void devlink_dpipe_table_unregister(struct devlink *devlink,
1525 const char *table_name);
1526 int devlink_dpipe_headers_register(struct devlink *devlink,
1527 struct devlink_dpipe_headers *dpipe_headers);
1528 void devlink_dpipe_headers_unregister(struct devlink *devlink);
1529 bool devlink_dpipe_table_counter_enabled(struct devlink *devlink,
1530 const char *table_name);
1531 int devlink_dpipe_entry_ctx_prepare(struct devlink_dpipe_dump_ctx *dump_ctx);
1532 int devlink_dpipe_entry_ctx_append(struct devlink_dpipe_dump_ctx *dump_ctx,
1533 struct devlink_dpipe_entry *entry);
1534 int devlink_dpipe_entry_ctx_close(struct devlink_dpipe_dump_ctx *dump_ctx);
1535 void devlink_dpipe_entry_clear(struct devlink_dpipe_entry *entry);
1536 int devlink_dpipe_action_put(struct sk_buff *skb,
1537 struct devlink_dpipe_action *action);
1538 int devlink_dpipe_match_put(struct sk_buff *skb,
1539 struct devlink_dpipe_match *match);
1540 extern struct devlink_dpipe_header devlink_dpipe_header_ethernet;
1541 extern struct devlink_dpipe_header devlink_dpipe_header_ipv4;
1542 extern struct devlink_dpipe_header devlink_dpipe_header_ipv6;
1543
1544 int devlink_resource_register(struct devlink *devlink,
1545 const char *resource_name,
1546 u64 resource_size,
1547 u64 resource_id,
1548 u64 parent_resource_id,
1549 const struct devlink_resource_size_params *size_params);
1550 void devlink_resources_unregister(struct devlink *devlink,
1551 struct devlink_resource *resource);
1552 int devlink_resource_size_get(struct devlink *devlink,
1553 u64 resource_id,
1554 u64 *p_resource_size);
1555 int devlink_dpipe_table_resource_set(struct devlink *devlink,
1556 const char *table_name, u64 resource_id,
1557 u64 resource_units);
1558 void devlink_resource_occ_get_register(struct devlink *devlink,
1559 u64 resource_id,
1560 devlink_resource_occ_get_t *occ_get,
1561 void *occ_get_priv);
1562 void devlink_resource_occ_get_unregister(struct devlink *devlink,
1563 u64 resource_id);
1564 int devlink_params_register(struct devlink *devlink,
1565 const struct devlink_param *params,
1566 size_t params_count);
1567 void devlink_params_unregister(struct devlink *devlink,
1568 const struct devlink_param *params,
1569 size_t params_count);
1570 void devlink_params_publish(struct devlink *devlink);
1571 void devlink_params_unpublish(struct devlink *devlink);
1572 int devlink_port_params_register(struct devlink_port *devlink_port,
1573 const struct devlink_param *params,
1574 size_t params_count);
1575 void devlink_port_params_unregister(struct devlink_port *devlink_port,
1576 const struct devlink_param *params,
1577 size_t params_count);
1578 int devlink_param_driverinit_value_get(struct devlink *devlink, u32 param_id,
1579 union devlink_param_value *init_val);
1580 int devlink_param_driverinit_value_set(struct devlink *devlink, u32 param_id,
1581 union devlink_param_value init_val);
1582 int
1583 devlink_port_param_driverinit_value_get(struct devlink_port *devlink_port,
1584 u32 param_id,
1585 union devlink_param_value *init_val);
1586 int devlink_port_param_driverinit_value_set(struct devlink_port *devlink_port,
1587 u32 param_id,
1588 union devlink_param_value init_val);
1589 void devlink_param_value_changed(struct devlink *devlink, u32 param_id);
1590 void devlink_port_param_value_changed(struct devlink_port *devlink_port,
1591 u32 param_id);
1592 void devlink_param_value_str_fill(union devlink_param_value *dst_val,
1593 const char *src);
1594 struct devlink_region *
1595 devlink_region_create(struct devlink *devlink,
1596 const struct devlink_region_ops *ops,
1597 u32 region_max_snapshots, u64 region_size);
1598 struct devlink_region *
1599 devlink_port_region_create(struct devlink_port *port,
1600 const struct devlink_port_region_ops *ops,
1601 u32 region_max_snapshots, u64 region_size);
1602 void devlink_region_destroy(struct devlink_region *region);
1603 void devlink_port_region_destroy(struct devlink_region *region);
1604
1605 int devlink_region_snapshot_id_get(struct devlink *devlink, u32 *id);
1606 void devlink_region_snapshot_id_put(struct devlink *devlink, u32 id);
1607 int devlink_region_snapshot_create(struct devlink_region *region,
1608 u8 *data, u32 snapshot_id);
1609 int devlink_info_serial_number_put(struct devlink_info_req *req,
1610 const char *sn);
1611 int devlink_info_driver_name_put(struct devlink_info_req *req,
1612 const char *name);
1613 int devlink_info_board_serial_number_put(struct devlink_info_req *req,
1614 const char *bsn);
1615 int devlink_info_version_fixed_put(struct devlink_info_req *req,
1616 const char *version_name,
1617 const char *version_value);
1618 int devlink_info_version_stored_put(struct devlink_info_req *req,
1619 const char *version_name,
1620 const char *version_value);
1621 int devlink_info_version_running_put(struct devlink_info_req *req,
1622 const char *version_name,
1623 const char *version_value);
1624
1625 int devlink_fmsg_obj_nest_start(struct devlink_fmsg *fmsg);
1626 int devlink_fmsg_obj_nest_end(struct devlink_fmsg *fmsg);
1627
1628 int devlink_fmsg_pair_nest_start(struct devlink_fmsg *fmsg, const char *name);
1629 int devlink_fmsg_pair_nest_end(struct devlink_fmsg *fmsg);
1630
1631 int devlink_fmsg_arr_pair_nest_start(struct devlink_fmsg *fmsg,
1632 const char *name);
1633 int devlink_fmsg_arr_pair_nest_end(struct devlink_fmsg *fmsg);
1634 int devlink_fmsg_binary_pair_nest_start(struct devlink_fmsg *fmsg,
1635 const char *name);
1636 int devlink_fmsg_binary_pair_nest_end(struct devlink_fmsg *fmsg);
1637
1638 int devlink_fmsg_bool_put(struct devlink_fmsg *fmsg, bool value);
1639 int devlink_fmsg_u8_put(struct devlink_fmsg *fmsg, u8 value);
1640 int devlink_fmsg_u32_put(struct devlink_fmsg *fmsg, u32 value);
1641 int devlink_fmsg_u64_put(struct devlink_fmsg *fmsg, u64 value);
1642 int devlink_fmsg_string_put(struct devlink_fmsg *fmsg, const char *value);
1643 int devlink_fmsg_binary_put(struct devlink_fmsg *fmsg, const void *value,
1644 u16 value_len);
1645
1646 int devlink_fmsg_bool_pair_put(struct devlink_fmsg *fmsg, const char *name,
1647 bool value);
1648 int devlink_fmsg_u8_pair_put(struct devlink_fmsg *fmsg, const char *name,
1649 u8 value);
1650 int devlink_fmsg_u32_pair_put(struct devlink_fmsg *fmsg, const char *name,
1651 u32 value);
1652 int devlink_fmsg_u64_pair_put(struct devlink_fmsg *fmsg, const char *name,
1653 u64 value);
1654 int devlink_fmsg_string_pair_put(struct devlink_fmsg *fmsg, const char *name,
1655 const char *value);
1656 int devlink_fmsg_binary_pair_put(struct devlink_fmsg *fmsg, const char *name,
1657 const void *value, u32 value_len);
1658
1659 struct devlink_health_reporter *
1660 devlink_health_reporter_create(struct devlink *devlink,
1661 const struct devlink_health_reporter_ops *ops,
1662 u64 graceful_period, void *priv);
1663
1664 struct devlink_health_reporter *
1665 devlink_port_health_reporter_create(struct devlink_port *port,
1666 const struct devlink_health_reporter_ops *ops,
1667 u64 graceful_period, void *priv);
1668
1669 void
1670 devlink_health_reporter_destroy(struct devlink_health_reporter *reporter);
1671
1672 void
1673 devlink_port_health_reporter_destroy(struct devlink_health_reporter *reporter);
1674
1675 void *
1676 devlink_health_reporter_priv(struct devlink_health_reporter *reporter);
1677 int devlink_health_report(struct devlink_health_reporter *reporter,
1678 const char *msg, void *priv_ctx);
1679 void
1680 devlink_health_reporter_state_update(struct devlink_health_reporter *reporter,
1681 enum devlink_health_reporter_state state);
1682 void
1683 devlink_health_reporter_recovery_done(struct devlink_health_reporter *reporter);
1684
1685 bool devlink_is_reload_failed(const struct devlink *devlink);
1686 void devlink_remote_reload_actions_performed(struct devlink *devlink,
1687 enum devlink_reload_limit limit,
1688 u32 actions_performed);
1689
1690 void devlink_flash_update_status_notify(struct devlink *devlink,
1691 const char *status_msg,
1692 const char *component,
1693 unsigned long done,
1694 unsigned long total);
1695 void devlink_flash_update_timeout_notify(struct devlink *devlink,
1696 const char *status_msg,
1697 const char *component,
1698 unsigned long timeout);
1699
1700 int devlink_traps_register(struct devlink *devlink,
1701 const struct devlink_trap *traps,
1702 size_t traps_count, void *priv);
1703 void devlink_traps_unregister(struct devlink *devlink,
1704 const struct devlink_trap *traps,
1705 size_t traps_count);
1706 void devlink_trap_report(struct devlink *devlink, struct sk_buff *skb,
1707 void *trap_ctx, struct devlink_port *in_devlink_port,
1708 const struct flow_action_cookie *fa_cookie);
1709 void *devlink_trap_ctx_priv(void *trap_ctx);
1710 int devlink_trap_groups_register(struct devlink *devlink,
1711 const struct devlink_trap_group *groups,
1712 size_t groups_count);
1713 void devlink_trap_groups_unregister(struct devlink *devlink,
1714 const struct devlink_trap_group *groups,
1715 size_t groups_count);
1716 int
1717 devlink_trap_policers_register(struct devlink *devlink,
1718 const struct devlink_trap_policer *policers,
1719 size_t policers_count);
1720 void
1721 devlink_trap_policers_unregister(struct devlink *devlink,
1722 const struct devlink_trap_policer *policers,
1723 size_t policers_count);
1724
1725 #if IS_ENABLED(CONFIG_NET_DEVLINK)
1726
1727 void devlink_compat_running_version(struct net_device *dev,
1728 char *buf, size_t len);
1729 int devlink_compat_flash_update(struct net_device *dev, const char *file_name);
1730 int devlink_compat_phys_port_name_get(struct net_device *dev,
1731 char *name, size_t len);
1732 int devlink_compat_switch_id_get(struct net_device *dev,
1733 struct netdev_phys_item_id *ppid);
1734
1735 #else
1736
1737 static inline void
devlink_compat_running_version(struct net_device * dev,char * buf,size_t len)1738 devlink_compat_running_version(struct net_device *dev, char *buf, size_t len)
1739 {
1740 }
1741
1742 static inline int
devlink_compat_flash_update(struct net_device * dev,const char * file_name)1743 devlink_compat_flash_update(struct net_device *dev, const char *file_name)
1744 {
1745 return -EOPNOTSUPP;
1746 }
1747
1748 static inline int
devlink_compat_phys_port_name_get(struct net_device * dev,char * name,size_t len)1749 devlink_compat_phys_port_name_get(struct net_device *dev,
1750 char *name, size_t len)
1751 {
1752 return -EOPNOTSUPP;
1753 }
1754
1755 static inline int
devlink_compat_switch_id_get(struct net_device * dev,struct netdev_phys_item_id * ppid)1756 devlink_compat_switch_id_get(struct net_device *dev,
1757 struct netdev_phys_item_id *ppid)
1758 {
1759 return -EOPNOTSUPP;
1760 }
1761
1762 #endif
1763
1764 #endif /* _NET_DEVLINK_H_ */
1765