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