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