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