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