projects/linux·blob v5.17-rc2 · refs

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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 <[email protected]>
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
24struct devlink;
25
26struct devlink_port_phys_attrs {
27 u32 port_number; /* Same value as "split group".
28 * A physical port which is visible to the user
29 * for a given port flavour.
30 */
31 u32 split_subport_number; /* If the port is split, this is the number of subport. */
32};
33
34/**
35 * struct devlink_port_pci_pf_attrs - devlink port's PCI PF attributes
36 * @controller: Associated controller number
37 * @pf: Associated PCI PF number for this port.
38 * @external: when set, indicates if a port is for an external controller
39 */
40struct devlink_port_pci_pf_attrs {
41 u32 controller;
42 u16 pf;
43 u8 external:1;
44};
45
46/**
47 * struct devlink_port_pci_vf_attrs - devlink port's PCI VF attributes
48 * @controller: Associated controller number
49 * @pf: Associated PCI PF number for this port.
50 * @vf: Associated PCI VF for of the PCI PF for this port.
51 * @external: when set, indicates if a port is for an external controller
52 */
53struct devlink_port_pci_vf_attrs {
54 u32 controller;
55 u16 pf;
56 u16 vf;
57 u8 external:1;
58};
59
60/**
61 * struct devlink_port_pci_sf_attrs - devlink port's PCI SF attributes
62 * @controller: Associated controller number
63 * @sf: Associated PCI SF for of the PCI PF for this port.
64 * @pf: Associated PCI PF number for this port.
65 * @external: when set, indicates if a port is for an external controller
66 */
67struct devlink_port_pci_sf_attrs {
68 u32 controller;
69 u32 sf;
70 u16 pf;
71 u8 external:1;
72};
73
74/**
75 * struct devlink_port_attrs - devlink port object
76 * @flavour: flavour of the port
77 * @split: indicates if this is split port
78 * @splittable: indicates if the port can be split.
79 * @lanes: maximum number of lanes the port supports. 0 value is not passed to netlink.
80 * @switch_id: if the port is part of switch, this is buffer with ID, otherwise this is NULL
81 * @phys: physical port attributes
82 * @pci_pf: PCI PF port attributes
83 * @pci_vf: PCI VF port attributes
84 * @pci_sf: PCI SF port attributes
85 */
86struct devlink_port_attrs {
87 u8 split:1,
88 splittable:1;
89 u32 lanes;
90 enum devlink_port_flavour flavour;
91 struct netdev_phys_item_id switch_id;
92 union {
93 struct devlink_port_phys_attrs phys;
94 struct devlink_port_pci_pf_attrs pci_pf;
95 struct devlink_port_pci_vf_attrs pci_vf;
96 struct devlink_port_pci_sf_attrs pci_sf;
97 };
98};
99
100struct devlink_rate {
101 struct list_head list;
102 enum devlink_rate_type type;
103 struct devlink *devlink;
104 void *priv;
105 u64 tx_share;
106 u64 tx_max;
107
108 struct devlink_rate *parent;
109 union {
110 struct devlink_port *devlink_port;
111 struct {
112 char *name;
113 refcount_t refcnt;
114 };
115 };
116};
117
118struct devlink_port {
119 struct list_head list;
120 struct list_head param_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 struct delayed_work type_warn_dw;
134 struct list_head reporter_list;
135 struct mutex reporters_lock; /* Protects reporter_list */
136
137 struct devlink_rate *devlink_rate;
138};
139
140struct devlink_port_new_attrs {
141 enum devlink_port_flavour flavour;
142 unsigned int port_index;
143 u32 controller;
144 u32 sfnum;
145 u16 pfnum;
146 u8 port_index_valid:1,
147 controller_valid:1,
148 sfnum_valid:1;
149};
150
151struct devlink_sb_pool_info {
152 enum devlink_sb_pool_type pool_type;
153 u32 size;
154 enum devlink_sb_threshold_type threshold_type;
155 u32 cell_size;
156};
157
158/**
159 * struct devlink_dpipe_field - dpipe field object
160 * @name: field name
161 * @id: index inside the headers field array
162 * @bitwidth: bitwidth
163 * @mapping_type: mapping type
164 */
165struct devlink_dpipe_field {
166 const char *name;
167 unsigned int id;
168 unsigned int bitwidth;
169 enum devlink_dpipe_field_mapping_type mapping_type;
170};
171
172/**
173 * struct devlink_dpipe_header - dpipe header object
174 * @name: header name
175 * @id: index, global/local detrmined by global bit
176 * @fields: fields
177 * @fields_count: number of fields
178 * @global: indicates if header is shared like most protocol header
179 * or driver specific
180 */
181struct devlink_dpipe_header {
182 const char *name;
183 unsigned int id;
184 struct devlink_dpipe_field *fields;
185 unsigned int fields_count;
186 bool global;
187};
188
189/**
190 * struct devlink_dpipe_match - represents match operation
191 * @type: type of match
192 * @header_index: header index (packets can have several headers of same
193 * type like in case of tunnels)
194 * @header: header
195 * @fieled_id: field index
196 */
197struct devlink_dpipe_match {
198 enum devlink_dpipe_match_type type;
199 unsigned int header_index;
200 struct devlink_dpipe_header *header;
201 unsigned int field_id;
202};
203
204/**
205 * struct devlink_dpipe_action - represents action operation
206 * @type: type of action
207 * @header_index: header index (packets can have several headers of same
208 * type like in case of tunnels)
209 * @header: header
210 * @fieled_id: field index
211 */
212struct devlink_dpipe_action {
213 enum devlink_dpipe_action_type type;
214 unsigned int header_index;
215 struct devlink_dpipe_header *header;
216 unsigned int field_id;
217};
218
219/**
220 * struct devlink_dpipe_value - represents value of match/action
221 * @action: action
222 * @match: match
223 * @mapping_value: in case the field has some mapping this value
224 * specified the mapping value
225 * @mapping_valid: specify if mapping value is valid
226 * @value_size: value size
227 * @value: value
228 * @mask: bit mask
229 */
230struct devlink_dpipe_value {
231 union {
232 struct devlink_dpipe_action *action;
233 struct devlink_dpipe_match *match;
234 };
235 unsigned int mapping_value;
236 bool mapping_valid;
237 unsigned int value_size;
238 void *value;
239 void *mask;
240};
241
242/**
243 * struct devlink_dpipe_entry - table entry object
244 * @index: index of the entry in the table
245 * @match_values: match values
246 * @matche_values_count: count of matches tuples
247 * @action_values: actions values
248 * @action_values_count: count of actions values
249 * @counter: value of counter
250 * @counter_valid: Specify if value is valid from hardware
251 */
252struct devlink_dpipe_entry {
253 u64 index;
254 struct devlink_dpipe_value *match_values;
255 unsigned int match_values_count;
256 struct devlink_dpipe_value *action_values;
257 unsigned int action_values_count;
258 u64 counter;
259 bool counter_valid;
260};
261
262/**
263 * struct devlink_dpipe_dump_ctx - context provided to driver in order
264 * to dump
265 * @info: info
266 * @cmd: devlink command
267 * @skb: skb
268 * @nest: top attribute
269 * @hdr: hdr
270 */
271struct devlink_dpipe_dump_ctx {
272 struct genl_info *info;
273 enum devlink_command cmd;
274 struct sk_buff *skb;
275 struct nlattr *nest;
276 void *hdr;
277};
278
279struct devlink_dpipe_table_ops;
280
281/**
282 * struct devlink_dpipe_table - table object
283 * @priv: private
284 * @name: table name
285 * @counters_enabled: indicates if counters are active
286 * @counter_control_extern: indicates if counter control is in dpipe or
287 * external tool
288 * @resource_valid: Indicate that the resource id is valid
289 * @resource_id: relative resource this table is related to
290 * @resource_units: number of resource's unit consumed per table's entry
291 * @table_ops: table operations
292 * @rcu: rcu
293 */
294struct devlink_dpipe_table {
295 void *priv;
296 struct list_head list;
297 const char *name;
298 bool counters_enabled;
299 bool counter_control_extern;
300 bool resource_valid;
301 u64 resource_id;
302 u64 resource_units;
303 struct devlink_dpipe_table_ops *table_ops;
304 struct rcu_head rcu;
305};
306
307/**
308 * struct devlink_dpipe_table_ops - dpipe_table ops
309 * @actions_dump - dumps all tables actions
310 * @matches_dump - dumps all tables matches
311 * @entries_dump - dumps all active entries in the table
312 * @counters_set_update - when changing the counter status hardware sync
313 * maybe needed to allocate/free counter related
314 * resources
315 * @size_get - get size
316 */
317struct devlink_dpipe_table_ops {
318 int (*actions_dump)(void *priv, struct sk_buff *skb);
319 int (*matches_dump)(void *priv, struct sk_buff *skb);
320 int (*entries_dump)(void *priv, bool counters_enabled,
321 struct devlink_dpipe_dump_ctx *dump_ctx);
322 int (*counters_set_update)(void *priv, bool enable);
323 u64 (*size_get)(void *priv);
324};
325
326/**
327 * struct devlink_dpipe_headers - dpipe headers
328 * @headers - header array can be shared (global bit) or driver specific
329 * @headers_count - count of headers
330 */
331struct devlink_dpipe_headers {
332 struct devlink_dpipe_header **headers;
333 unsigned int headers_count;
334};
335
336/**
337 * struct devlink_resource_size_params - resource's size parameters
338 * @size_min: minimum size which can be set
339 * @size_max: maximum size which can be set
340 * @size_granularity: size granularity
341 * @size_unit: resource's basic unit
342 */
343struct devlink_resource_size_params {
344 u64 size_min;
345 u64 size_max;
346 u64 size_granularity;
347 enum devlink_resource_unit unit;
348};
349
350static inline void
351devlink_resource_size_params_init(struct devlink_resource_size_params *size_params,
352 u64 size_min, u64 size_max,
353 u64 size_granularity,
354 enum devlink_resource_unit unit)
355{
356 size_params->size_min = size_min;
357 size_params->size_max = size_max;
358 size_params->size_granularity = size_granularity;
359 size_params->unit = unit;
360}
361
362typedef u64 devlink_resource_occ_get_t(void *priv);
363
364#define DEVLINK_RESOURCE_ID_PARENT_TOP 0
365
366#define DEVLINK_RESOURCE_GENERIC_NAME_PORTS "physical_ports"
367
368#define __DEVLINK_PARAM_MAX_STRING_VALUE 32
369enum devlink_param_type {
370 DEVLINK_PARAM_TYPE_U8,
371 DEVLINK_PARAM_TYPE_U16,
372 DEVLINK_PARAM_TYPE_U32,
373 DEVLINK_PARAM_TYPE_STRING,
374 DEVLINK_PARAM_TYPE_BOOL,
375};
376
377union devlink_param_value {
378 u8 vu8;
379 u16 vu16;
380 u32 vu32;
381 char vstr[__DEVLINK_PARAM_MAX_STRING_VALUE];
382 bool vbool;
383};
384
385struct devlink_param_gset_ctx {
386 union devlink_param_value val;
387 enum devlink_param_cmode cmode;
388};
389
390/**
391 * struct devlink_flash_notify - devlink dev flash notify data
392 * @status_msg: current status string
393 * @component: firmware component being updated
394 * @done: amount of work completed of total amount
395 * @total: amount of work expected to be done
396 * @timeout: expected max timeout in seconds
397 *
398 * These are values to be given to userland to be displayed in order
399 * to show current activity in a firmware update process.
400 */
401struct devlink_flash_notify {
402 const char *status_msg;
403 const char *component;
404 unsigned long done;
405 unsigned long total;
406 unsigned long timeout;
407};
408
409/**
410 * struct devlink_param - devlink configuration parameter data
411 * @name: name of the parameter
412 * @generic: indicates if the parameter is generic or driver specific
413 * @type: parameter type
414 * @supported_cmodes: bitmap of supported configuration modes
415 * @get: get parameter value, used for runtime and permanent
416 * configuration modes
417 * @set: set parameter value, used for runtime and permanent
418 * configuration modes
419 * @validate: validate input value is applicable (within value range, etc.)
420 *
421 * This struct should be used by the driver to fill the data for
422 * a parameter it registers.
423 */
424struct devlink_param {
425 u32 id;
426 const char *name;
427 bool generic;
428 enum devlink_param_type type;
429 unsigned long supported_cmodes;
430 int (*get)(struct devlink *devlink, u32 id,
431 struct devlink_param_gset_ctx *ctx);
432 int (*set)(struct devlink *devlink, u32 id,
433 struct devlink_param_gset_ctx *ctx);
434 int (*validate)(struct devlink *devlink, u32 id,
435 union devlink_param_value val,
436 struct netlink_ext_ack *extack);
437};
438
439struct devlink_param_item {
440 struct list_head list;
441 const struct devlink_param *param;
442 union devlink_param_value driverinit_value;
443 bool driverinit_value_valid;
444};
445
446enum devlink_param_generic_id {
447 DEVLINK_PARAM_GENERIC_ID_INT_ERR_RESET,
448 DEVLINK_PARAM_GENERIC_ID_MAX_MACS,
449 DEVLINK_PARAM_GENERIC_ID_ENABLE_SRIOV,
450 DEVLINK_PARAM_GENERIC_ID_REGION_SNAPSHOT,
451 DEVLINK_PARAM_GENERIC_ID_IGNORE_ARI,
452 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX,
453 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN,
454 DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY,
455 DEVLINK_PARAM_GENERIC_ID_RESET_DEV_ON_DRV_PROBE,
456 DEVLINK_PARAM_GENERIC_ID_ENABLE_ROCE,
457 DEVLINK_PARAM_GENERIC_ID_ENABLE_REMOTE_DEV_RESET,
458 DEVLINK_PARAM_GENERIC_ID_ENABLE_ETH,
459 DEVLINK_PARAM_GENERIC_ID_ENABLE_RDMA,
460 DEVLINK_PARAM_GENERIC_ID_ENABLE_VNET,
461 DEVLINK_PARAM_GENERIC_ID_ENABLE_IWARP,
462 DEVLINK_PARAM_GENERIC_ID_IO_EQ_SIZE,
463 DEVLINK_PARAM_GENERIC_ID_EVENT_EQ_SIZE,
464
465 /* add new param generic ids above here*/
466 __DEVLINK_PARAM_GENERIC_ID_MAX,
467 DEVLINK_PARAM_GENERIC_ID_MAX = __DEVLINK_PARAM_GENERIC_ID_MAX - 1,
468};
469
470#define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_NAME "internal_error_reset"
471#define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL
472
473#define DEVLINK_PARAM_GENERIC_MAX_MACS_NAME "max_macs"
474#define DEVLINK_PARAM_GENERIC_MAX_MACS_TYPE DEVLINK_PARAM_TYPE_U32
475
476#define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_NAME "enable_sriov"
477#define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_TYPE DEVLINK_PARAM_TYPE_BOOL
478
479#define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_NAME "region_snapshot_enable"
480#define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_TYPE DEVLINK_PARAM_TYPE_BOOL
481
482#define DEVLINK_PARAM_GENERIC_IGNORE_ARI_NAME "ignore_ari"
483#define DEVLINK_PARAM_GENERIC_IGNORE_ARI_TYPE DEVLINK_PARAM_TYPE_BOOL
484
485#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_NAME "msix_vec_per_pf_max"
486#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_TYPE DEVLINK_PARAM_TYPE_U32
487
488#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_NAME "msix_vec_per_pf_min"
489#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_TYPE DEVLINK_PARAM_TYPE_U32
490
491#define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_NAME "fw_load_policy"
492#define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_TYPE DEVLINK_PARAM_TYPE_U8
493
494#define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_NAME \
495 "reset_dev_on_drv_probe"
496#define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_TYPE DEVLINK_PARAM_TYPE_U8
497
498#define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_NAME "enable_roce"
499#define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_TYPE DEVLINK_PARAM_TYPE_BOOL
500
501#define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_NAME "enable_remote_dev_reset"
502#define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL
503
504#define DEVLINK_PARAM_GENERIC_ENABLE_ETH_NAME "enable_eth"
505#define DEVLINK_PARAM_GENERIC_ENABLE_ETH_TYPE DEVLINK_PARAM_TYPE_BOOL
506
507#define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_NAME "enable_rdma"
508#define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_TYPE DEVLINK_PARAM_TYPE_BOOL
509
510#define DEVLINK_PARAM_GENERIC_ENABLE_VNET_NAME "enable_vnet"
511#define DEVLINK_PARAM_GENERIC_ENABLE_VNET_TYPE DEVLINK_PARAM_TYPE_BOOL
512
513#define DEVLINK_PARAM_GENERIC_ENABLE_IWARP_NAME "enable_iwarp"
514#define DEVLINK_PARAM_GENERIC_ENABLE_IWARP_TYPE DEVLINK_PARAM_TYPE_BOOL
515
516#define DEVLINK_PARAM_GENERIC_IO_EQ_SIZE_NAME "io_eq_size"
517#define DEVLINK_PARAM_GENERIC_IO_EQ_SIZE_TYPE DEVLINK_PARAM_TYPE_U32
518
519#define DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_NAME "event_eq_size"
520#define DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_TYPE DEVLINK_PARAM_TYPE_U32
521
522#define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate) \
523{ \
524 .id = DEVLINK_PARAM_GENERIC_ID_##_id, \
525 .name = DEVLINK_PARAM_GENERIC_##_id##_NAME, \
526 .type = DEVLINK_PARAM_GENERIC_##_id##_TYPE, \
527 .generic = true, \
528 .supported_cmodes = _cmodes, \
529 .get = _get, \
530 .set = _set, \
531 .validate = _validate, \
532}
533
534#define DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, _get, _set, _validate) \
535{ \
536 .id = _id, \
537 .name = _name, \
538 .type = _type, \
539 .supported_cmodes = _cmodes, \
540 .get = _get, \
541 .set = _set, \
542 .validate = _validate, \
543}
544
545/* Part number, identifier of board design */
546#define DEVLINK_INFO_VERSION_GENERIC_BOARD_ID "board.id"
547/* Revision of board design */
548#define DEVLINK_INFO_VERSION_GENERIC_BOARD_REV "board.rev"
549/* Maker of the board */
550#define DEVLINK_INFO_VERSION_GENERIC_BOARD_MANUFACTURE "board.manufacture"
551
552/* Part number, identifier of asic design */
553#define DEVLINK_INFO_VERSION_GENERIC_ASIC_ID "asic.id"
554/* Revision of asic design */
555#define DEVLINK_INFO_VERSION_GENERIC_ASIC_REV "asic.rev"
556
557/* Overall FW version */
558#define DEVLINK_INFO_VERSION_GENERIC_FW "fw"
559/* Control processor FW version */
560#define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT "fw.mgmt"
561/* FW interface specification version */
562#define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT_API "fw.mgmt.api"
563/* Data path microcode controlling high-speed packet processing */
564#define DEVLINK_INFO_VERSION_GENERIC_FW_APP "fw.app"
565/* UNDI software version */
566#define DEVLINK_INFO_VERSION_GENERIC_FW_UNDI "fw.undi"
567/* NCSI support/handler version */
568#define DEVLINK_INFO_VERSION_GENERIC_FW_NCSI "fw.ncsi"
569/* FW parameter set id */
570#define DEVLINK_INFO_VERSION_GENERIC_FW_PSID "fw.psid"
571/* RoCE FW version */
572#define DEVLINK_INFO_VERSION_GENERIC_FW_ROCE "fw.roce"
573/* Firmware bundle identifier */
574#define DEVLINK_INFO_VERSION_GENERIC_FW_BUNDLE_ID "fw.bundle_id"
575
576/**
577 * struct devlink_flash_update_params - Flash Update parameters
578 * @fw: pointer to the firmware data to update from
579 * @component: the flash component to update
580 *
581 * With the exception of fw, drivers must opt-in to parameters by
582 * setting the appropriate bit in the supported_flash_update_params field in
583 * their devlink_ops structure.
584 */
585struct devlink_flash_update_params {
586 const struct firmware *fw;
587 const char *component;
588 u32 overwrite_mask;
589};
590
591#define DEVLINK_SUPPORT_FLASH_UPDATE_COMPONENT BIT(0)
592#define DEVLINK_SUPPORT_FLASH_UPDATE_OVERWRITE_MASK BIT(1)
593
594struct devlink_region;
595struct devlink_info_req;
596
597/**
598 * struct devlink_region_ops - Region operations
599 * @name: region name
600 * @destructor: callback used to free snapshot memory when deleting
601 * @snapshot: callback to request an immediate snapshot. On success,
602 * the data variable must be updated to point to the snapshot data.
603 * The function will be called while the devlink instance lock is
604 * held.
605 * @priv: Pointer to driver private data for the region operation
606 */
607struct devlink_region_ops {
608 const char *name;
609 void (*destructor)(const void *data);
610 int (*snapshot)(struct devlink *devlink,
611 const struct devlink_region_ops *ops,
612 struct netlink_ext_ack *extack,
613 u8 **data);
614 void *priv;
615};
616
617/**
618 * struct devlink_port_region_ops - Region operations for a port
619 * @name: region name
620 * @destructor: callback used to free snapshot memory when deleting
621 * @snapshot: callback to request an immediate snapshot. On success,
622 * the data variable must be updated to point to the snapshot data.
623 * The function will be called while the devlink instance lock is
624 * held.
625 * @priv: Pointer to driver private data for the region operation
626 */
627struct devlink_port_region_ops {
628 const char *name;
629 void (*destructor)(const void *data);
630 int (*snapshot)(struct devlink_port *port,
631 const struct devlink_port_region_ops *ops,
632 struct netlink_ext_ack *extack,
633 u8 **data);
634 void *priv;
635};
636
637struct devlink_fmsg;
638struct devlink_health_reporter;
639
640enum devlink_health_reporter_state {
641 DEVLINK_HEALTH_REPORTER_STATE_HEALTHY,
642 DEVLINK_HEALTH_REPORTER_STATE_ERROR,
643};
644
645/**
646 * struct devlink_health_reporter_ops - Reporter operations
647 * @name: reporter name
648 * @recover: callback to recover from reported error
649 * if priv_ctx is NULL, run a full recover
650 * @dump: callback to dump an object
651 * if priv_ctx is NULL, run a full dump
652 * @diagnose: callback to diagnose the current status
653 * @test: callback to trigger a test event
654 */
655
656struct devlink_health_reporter_ops {
657 char *name;
658 int (*recover)(struct devlink_health_reporter *reporter,
659 void *priv_ctx, struct netlink_ext_ack *extack);
660 int (*dump)(struct devlink_health_reporter *reporter,
661 struct devlink_fmsg *fmsg, void *priv_ctx,
662 struct netlink_ext_ack *extack);
663 int (*diagnose)(struct devlink_health_reporter *reporter,
664 struct devlink_fmsg *fmsg,
665 struct netlink_ext_ack *extack);
666 int (*test)(struct devlink_health_reporter *reporter,
667 struct netlink_ext_ack *extack);
668};
669
670/**
671 * struct devlink_trap_metadata - Packet trap metadata.
672 * @trap_name: Trap name.
673 * @trap_group_name: Trap group name.
674 * @input_dev: Input netdevice.
675 * @dev_tracker: refcount tracker for @input_dev.
676 * @fa_cookie: Flow action user cookie.
677 * @trap_type: Trap type.
678 */
679struct devlink_trap_metadata {
680 const char *trap_name;
681 const char *trap_group_name;
682
683 struct net_device *input_dev;
684 netdevice_tracker dev_tracker;
685
686 const struct flow_action_cookie *fa_cookie;
687 enum devlink_trap_type trap_type;
688};
689
690/**
691 * struct devlink_trap_policer - Immutable packet trap policer attributes.
692 * @id: Policer identifier.
693 * @init_rate: Initial rate in packets / sec.
694 * @init_burst: Initial burst size in packets.
695 * @max_rate: Maximum rate.
696 * @min_rate: Minimum rate.
697 * @max_burst: Maximum burst size.
698 * @min_burst: Minimum burst size.
699 *
700 * Describes immutable attributes of packet trap policers that drivers register
701 * with devlink.
702 */
703struct devlink_trap_policer {
704 u32 id;
705 u64 init_rate;
706 u64 init_burst;
707 u64 max_rate;
708 u64 min_rate;
709 u64 max_burst;
710 u64 min_burst;
711};
712
713/**
714 * struct devlink_trap_group - Immutable packet trap group attributes.
715 * @name: Trap group name.
716 * @id: Trap group identifier.
717 * @generic: Whether the trap group is generic or not.
718 * @init_policer_id: Initial policer identifier.
719 *
720 * Describes immutable attributes of packet trap groups that drivers register
721 * with devlink.
722 */
723struct devlink_trap_group {
724 const char *name;
725 u16 id;
726 bool generic;
727 u32 init_policer_id;
728};
729
730#define DEVLINK_TRAP_METADATA_TYPE_F_IN_PORT BIT(0)
731#define DEVLINK_TRAP_METADATA_TYPE_F_FA_COOKIE BIT(1)
732
733/**
734 * struct devlink_trap - Immutable packet trap attributes.
735 * @type: Trap type.
736 * @init_action: Initial trap action.
737 * @generic: Whether the trap is generic or not.
738 * @id: Trap identifier.
739 * @name: Trap name.
740 * @init_group_id: Initial group identifier.
741 * @metadata_cap: Metadata types that can be provided by the trap.
742 *
743 * Describes immutable attributes of packet traps that drivers register with
744 * devlink.
745 */
746struct devlink_trap {
747 enum devlink_trap_type type;
748 enum devlink_trap_action init_action;
749 bool generic;
750 u16 id;
751 const char *name;
752 u16 init_group_id;
753 u32 metadata_cap;
754};
755
756/* All traps must be documented in
757 * Documentation/networking/devlink/devlink-trap.rst
758 */
759enum devlink_trap_generic_id {
760 DEVLINK_TRAP_GENERIC_ID_SMAC_MC,
761 DEVLINK_TRAP_GENERIC_ID_VLAN_TAG_MISMATCH,
762 DEVLINK_TRAP_GENERIC_ID_INGRESS_VLAN_FILTER,
763 DEVLINK_TRAP_GENERIC_ID_INGRESS_STP_FILTER,
764 DEVLINK_TRAP_GENERIC_ID_EMPTY_TX_LIST,
765 DEVLINK_TRAP_GENERIC_ID_PORT_LOOPBACK_FILTER,
766 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_ROUTE,
767 DEVLINK_TRAP_GENERIC_ID_TTL_ERROR,
768 DEVLINK_TRAP_GENERIC_ID_TAIL_DROP,
769 DEVLINK_TRAP_GENERIC_ID_NON_IP_PACKET,
770 DEVLINK_TRAP_GENERIC_ID_UC_DIP_MC_DMAC,
771 DEVLINK_TRAP_GENERIC_ID_DIP_LB,
772 DEVLINK_TRAP_GENERIC_ID_SIP_MC,
773 DEVLINK_TRAP_GENERIC_ID_SIP_LB,
774 DEVLINK_TRAP_GENERIC_ID_CORRUPTED_IP_HDR,
775 DEVLINK_TRAP_GENERIC_ID_IPV4_SIP_BC,
776 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_RESERVED_SCOPE,
777 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE,
778 DEVLINK_TRAP_GENERIC_ID_MTU_ERROR,
779 DEVLINK_TRAP_GENERIC_ID_UNRESOLVED_NEIGH,
780 DEVLINK_TRAP_GENERIC_ID_RPF,
781 DEVLINK_TRAP_GENERIC_ID_REJECT_ROUTE,
782 DEVLINK_TRAP_GENERIC_ID_IPV4_LPM_UNICAST_MISS,
783 DEVLINK_TRAP_GENERIC_ID_IPV6_LPM_UNICAST_MISS,
784 DEVLINK_TRAP_GENERIC_ID_NON_ROUTABLE,
785 DEVLINK_TRAP_GENERIC_ID_DECAP_ERROR,
786 DEVLINK_TRAP_GENERIC_ID_OVERLAY_SMAC_MC,
787 DEVLINK_TRAP_GENERIC_ID_INGRESS_FLOW_ACTION_DROP,
788 DEVLINK_TRAP_GENERIC_ID_EGRESS_FLOW_ACTION_DROP,
789 DEVLINK_TRAP_GENERIC_ID_STP,
790 DEVLINK_TRAP_GENERIC_ID_LACP,
791 DEVLINK_TRAP_GENERIC_ID_LLDP,
792 DEVLINK_TRAP_GENERIC_ID_IGMP_QUERY,
793 DEVLINK_TRAP_GENERIC_ID_IGMP_V1_REPORT,
794 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_REPORT,
795 DEVLINK_TRAP_GENERIC_ID_IGMP_V3_REPORT,
796 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_LEAVE,
797 DEVLINK_TRAP_GENERIC_ID_MLD_QUERY,
798 DEVLINK_TRAP_GENERIC_ID_MLD_V1_REPORT,
799 DEVLINK_TRAP_GENERIC_ID_MLD_V2_REPORT,
800 DEVLINK_TRAP_GENERIC_ID_MLD_V1_DONE,
801 DEVLINK_TRAP_GENERIC_ID_IPV4_DHCP,
802 DEVLINK_TRAP_GENERIC_ID_IPV6_DHCP,
803 DEVLINK_TRAP_GENERIC_ID_ARP_REQUEST,
804 DEVLINK_TRAP_GENERIC_ID_ARP_RESPONSE,
805 DEVLINK_TRAP_GENERIC_ID_ARP_OVERLAY,
806 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_SOLICIT,
807 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_ADVERT,
808 DEVLINK_TRAP_GENERIC_ID_IPV4_BFD,
809 DEVLINK_TRAP_GENERIC_ID_IPV6_BFD,
810 DEVLINK_TRAP_GENERIC_ID_IPV4_OSPF,
811 DEVLINK_TRAP_GENERIC_ID_IPV6_OSPF,
812 DEVLINK_TRAP_GENERIC_ID_IPV4_BGP,
813 DEVLINK_TRAP_GENERIC_ID_IPV6_BGP,
814 DEVLINK_TRAP_GENERIC_ID_IPV4_VRRP,
815 DEVLINK_TRAP_GENERIC_ID_IPV6_VRRP,
816 DEVLINK_TRAP_GENERIC_ID_IPV4_PIM,
817 DEVLINK_TRAP_GENERIC_ID_IPV6_PIM,
818 DEVLINK_TRAP_GENERIC_ID_UC_LB,
819 DEVLINK_TRAP_GENERIC_ID_LOCAL_ROUTE,
820 DEVLINK_TRAP_GENERIC_ID_EXTERNAL_ROUTE,
821 DEVLINK_TRAP_GENERIC_ID_IPV6_UC_DIP_LINK_LOCAL_SCOPE,
822 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_NODES,
823 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_ROUTERS,
824 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_SOLICIT,
825 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ADVERT,
826 DEVLINK_TRAP_GENERIC_ID_IPV6_REDIRECT,
827 DEVLINK_TRAP_GENERIC_ID_IPV4_ROUTER_ALERT,
828 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ALERT,
829 DEVLINK_TRAP_GENERIC_ID_PTP_EVENT,
830 DEVLINK_TRAP_GENERIC_ID_PTP_GENERAL,
831 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_SAMPLE,
832 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_TRAP,
833 DEVLINK_TRAP_GENERIC_ID_EARLY_DROP,
834 DEVLINK_TRAP_GENERIC_ID_VXLAN_PARSING,
835 DEVLINK_TRAP_GENERIC_ID_LLC_SNAP_PARSING,
836 DEVLINK_TRAP_GENERIC_ID_VLAN_PARSING,
837 DEVLINK_TRAP_GENERIC_ID_PPPOE_PPP_PARSING,
838 DEVLINK_TRAP_GENERIC_ID_MPLS_PARSING,
839 DEVLINK_TRAP_GENERIC_ID_ARP_PARSING,
840 DEVLINK_TRAP_GENERIC_ID_IP_1_PARSING,
841 DEVLINK_TRAP_GENERIC_ID_IP_N_PARSING,
842 DEVLINK_TRAP_GENERIC_ID_GRE_PARSING,
843 DEVLINK_TRAP_GENERIC_ID_UDP_PARSING,
844 DEVLINK_TRAP_GENERIC_ID_TCP_PARSING,
845 DEVLINK_TRAP_GENERIC_ID_IPSEC_PARSING,
846 DEVLINK_TRAP_GENERIC_ID_SCTP_PARSING,
847 DEVLINK_TRAP_GENERIC_ID_DCCP_PARSING,
848 DEVLINK_TRAP_GENERIC_ID_GTP_PARSING,
849 DEVLINK_TRAP_GENERIC_ID_ESP_PARSING,
850 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_NEXTHOP,
851 DEVLINK_TRAP_GENERIC_ID_DMAC_FILTER,
852
853 /* Add new generic trap IDs above */
854 __DEVLINK_TRAP_GENERIC_ID_MAX,
855 DEVLINK_TRAP_GENERIC_ID_MAX = __DEVLINK_TRAP_GENERIC_ID_MAX - 1,
856};
857
858/* All trap groups must be documented in
859 * Documentation/networking/devlink/devlink-trap.rst
860 */
861enum devlink_trap_group_generic_id {
862 DEVLINK_TRAP_GROUP_GENERIC_ID_L2_DROPS,
863 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_DROPS,
864 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_EXCEPTIONS,
865 DEVLINK_TRAP_GROUP_GENERIC_ID_BUFFER_DROPS,
866 DEVLINK_TRAP_GROUP_GENERIC_ID_TUNNEL_DROPS,
867 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_DROPS,
868 DEVLINK_TRAP_GROUP_GENERIC_ID_STP,
869 DEVLINK_TRAP_GROUP_GENERIC_ID_LACP,
870 DEVLINK_TRAP_GROUP_GENERIC_ID_LLDP,
871 DEVLINK_TRAP_GROUP_GENERIC_ID_MC_SNOOPING,
872 DEVLINK_TRAP_GROUP_GENERIC_ID_DHCP,
873 DEVLINK_TRAP_GROUP_GENERIC_ID_NEIGH_DISCOVERY,
874 DEVLINK_TRAP_GROUP_GENERIC_ID_BFD,
875 DEVLINK_TRAP_GROUP_GENERIC_ID_OSPF,
876 DEVLINK_TRAP_GROUP_GENERIC_ID_BGP,
877 DEVLINK_TRAP_GROUP_GENERIC_ID_VRRP,
878 DEVLINK_TRAP_GROUP_GENERIC_ID_PIM,
879 DEVLINK_TRAP_GROUP_GENERIC_ID_UC_LB,
880 DEVLINK_TRAP_GROUP_GENERIC_ID_LOCAL_DELIVERY,
881 DEVLINK_TRAP_GROUP_GENERIC_ID_EXTERNAL_DELIVERY,
882 DEVLINK_TRAP_GROUP_GENERIC_ID_IPV6,
883 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_EVENT,
884 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_GENERAL,
885 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_SAMPLE,
886 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_TRAP,
887 DEVLINK_TRAP_GROUP_GENERIC_ID_PARSER_ERROR_DROPS,
888
889 /* Add new generic trap group IDs above */
890 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX,
891 DEVLINK_TRAP_GROUP_GENERIC_ID_MAX =
892 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX - 1,
893};
894
895#define DEVLINK_TRAP_GENERIC_NAME_SMAC_MC \
896 "source_mac_is_multicast"
897#define DEVLINK_TRAP_GENERIC_NAME_VLAN_TAG_MISMATCH \
898 "vlan_tag_mismatch"
899#define DEVLINK_TRAP_GENERIC_NAME_INGRESS_VLAN_FILTER \
900 "ingress_vlan_filter"
901#define DEVLINK_TRAP_GENERIC_NAME_INGRESS_STP_FILTER \
902 "ingress_spanning_tree_filter"
903#define DEVLINK_TRAP_GENERIC_NAME_EMPTY_TX_LIST \
904 "port_list_is_empty"
905#define DEVLINK_TRAP_GENERIC_NAME_PORT_LOOPBACK_FILTER \
906 "port_loopback_filter"
907#define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_ROUTE \
908 "blackhole_route"
909#define DEVLINK_TRAP_GENERIC_NAME_TTL_ERROR \
910 "ttl_value_is_too_small"
911#define DEVLINK_TRAP_GENERIC_NAME_TAIL_DROP \
912 "tail_drop"
913#define DEVLINK_TRAP_GENERIC_NAME_NON_IP_PACKET \
914 "non_ip"
915#define DEVLINK_TRAP_GENERIC_NAME_UC_DIP_MC_DMAC \
916 "uc_dip_over_mc_dmac"
917#define DEVLINK_TRAP_GENERIC_NAME_DIP_LB \
918 "dip_is_loopback_address"
919#define DEVLINK_TRAP_GENERIC_NAME_SIP_MC \
920 "sip_is_mc"
921#define DEVLINK_TRAP_GENERIC_NAME_SIP_LB \
922 "sip_is_loopback_address"
923#define DEVLINK_TRAP_GENERIC_NAME_CORRUPTED_IP_HDR \
924 "ip_header_corrupted"
925#define DEVLINK_TRAP_GENERIC_NAME_IPV4_SIP_BC \
926 "ipv4_sip_is_limited_bc"
927#define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_RESERVED_SCOPE \
928 "ipv6_mc_dip_reserved_scope"
929#define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE \
930 "ipv6_mc_dip_interface_local_scope"
931#define DEVLINK_TRAP_GENERIC_NAME_MTU_ERROR \
932 "mtu_value_is_too_small"
933#define DEVLINK_TRAP_GENERIC_NAME_UNRESOLVED_NEIGH \
934 "unresolved_neigh"
935#define DEVLINK_TRAP_GENERIC_NAME_RPF \
936 "mc_reverse_path_forwarding"
937#define DEVLINK_TRAP_GENERIC_NAME_REJECT_ROUTE \
938 "reject_route"
939#define DEVLINK_TRAP_GENERIC_NAME_IPV4_LPM_UNICAST_MISS \
940 "ipv4_lpm_miss"
941#define DEVLINK_TRAP_GENERIC_NAME_IPV6_LPM_UNICAST_MISS \
942 "ipv6_lpm_miss"
943#define DEVLINK_TRAP_GENERIC_NAME_NON_ROUTABLE \
944 "non_routable_packet"
945#define DEVLINK_TRAP_GENERIC_NAME_DECAP_ERROR \
946 "decap_error"
947#define DEVLINK_TRAP_GENERIC_NAME_OVERLAY_SMAC_MC \
948 "overlay_smac_is_mc"
949#define DEVLINK_TRAP_GENERIC_NAME_INGRESS_FLOW_ACTION_DROP \
950 "ingress_flow_action_drop"
951#define DEVLINK_TRAP_GENERIC_NAME_EGRESS_FLOW_ACTION_DROP \
952 "egress_flow_action_drop"
953#define DEVLINK_TRAP_GENERIC_NAME_STP \
954 "stp"
955#define DEVLINK_TRAP_GENERIC_NAME_LACP \
956 "lacp"
957#define DEVLINK_TRAP_GENERIC_NAME_LLDP \
958 "lldp"
959#define DEVLINK_TRAP_GENERIC_NAME_IGMP_QUERY \
960 "igmp_query"
961#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V1_REPORT \
962 "igmp_v1_report"
963#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_REPORT \
964 "igmp_v2_report"
965#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V3_REPORT \
966 "igmp_v3_report"
967#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_LEAVE \
968 "igmp_v2_leave"
969#define DEVLINK_TRAP_GENERIC_NAME_MLD_QUERY \
970 "mld_query"
971#define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_REPORT \
972 "mld_v1_report"
973#define DEVLINK_TRAP_GENERIC_NAME_MLD_V2_REPORT \
974 "mld_v2_report"
975#define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_DONE \
976 "mld_v1_done"
977#define DEVLINK_TRAP_GENERIC_NAME_IPV4_DHCP \
978 "ipv4_dhcp"
979#define DEVLINK_TRAP_GENERIC_NAME_IPV6_DHCP \
980 "ipv6_dhcp"
981#define DEVLINK_TRAP_GENERIC_NAME_ARP_REQUEST \
982 "arp_request"
983#define DEVLINK_TRAP_GENERIC_NAME_ARP_RESPONSE \
984 "arp_response"
985#define DEVLINK_TRAP_GENERIC_NAME_ARP_OVERLAY \
986 "arp_overlay"
987#define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_SOLICIT \
988 "ipv6_neigh_solicit"
989#define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_ADVERT \
990 "ipv6_neigh_advert"
991#define DEVLINK_TRAP_GENERIC_NAME_IPV4_BFD \
992 "ipv4_bfd"
993#define DEVLINK_TRAP_GENERIC_NAME_IPV6_BFD \
994 "ipv6_bfd"
995#define DEVLINK_TRAP_GENERIC_NAME_IPV4_OSPF \
996 "ipv4_ospf"
997#define DEVLINK_TRAP_GENERIC_NAME_IPV6_OSPF \
998 "ipv6_ospf"
999#define DEVLINK_TRAP_GENERIC_NAME_IPV4_BGP \
1000 "ipv4_bgp"
1001#define DEVLINK_TRAP_GENERIC_NAME_IPV6_BGP \
1002 "ipv6_bgp"
1003#define DEVLINK_TRAP_GENERIC_NAME_IPV4_VRRP \
1004 "ipv4_vrrp"
1005#define DEVLINK_TRAP_GENERIC_NAME_IPV6_VRRP \
1006 "ipv6_vrrp"
1007#define DEVLINK_TRAP_GENERIC_NAME_IPV4_PIM \
1008 "ipv4_pim"
1009#define DEVLINK_TRAP_GENERIC_NAME_IPV6_PIM \
1010 "ipv6_pim"
1011#define DEVLINK_TRAP_GENERIC_NAME_UC_LB \
1012 "uc_loopback"
1013#define DEVLINK_TRAP_GENERIC_NAME_LOCAL_ROUTE \
1014 "local_route"
1015#define DEVLINK_TRAP_GENERIC_NAME_EXTERNAL_ROUTE \
1016 "external_route"
1017#define DEVLINK_TRAP_GENERIC_NAME_IPV6_UC_DIP_LINK_LOCAL_SCOPE \
1018 "ipv6_uc_dip_link_local_scope"
1019#define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_NODES \
1020 "ipv6_dip_all_nodes"
1021#define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_ROUTERS \
1022 "ipv6_dip_all_routers"
1023#define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_SOLICIT \
1024 "ipv6_router_solicit"
1025#define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ADVERT \
1026 "ipv6_router_advert"
1027#define DEVLINK_TRAP_GENERIC_NAME_IPV6_REDIRECT \
1028 "ipv6_redirect"
1029#define DEVLINK_TRAP_GENERIC_NAME_IPV4_ROUTER_ALERT \
1030 "ipv4_router_alert"
1031#define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ALERT \
1032 "ipv6_router_alert"
1033#define DEVLINK_TRAP_GENERIC_NAME_PTP_EVENT \
1034 "ptp_event"
1035#define DEVLINK_TRAP_GENERIC_NAME_PTP_GENERAL \
1036 "ptp_general"
1037#define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_SAMPLE \
1038 "flow_action_sample"
1039#define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_TRAP \
1040 "flow_action_trap"
1041#define DEVLINK_TRAP_GENERIC_NAME_EARLY_DROP \
1042 "early_drop"
1043#define DEVLINK_TRAP_GENERIC_NAME_VXLAN_PARSING \
1044 "vxlan_parsing"
1045#define DEVLINK_TRAP_GENERIC_NAME_LLC_SNAP_PARSING \
1046 "llc_snap_parsing"
1047#define DEVLINK_TRAP_GENERIC_NAME_VLAN_PARSING \
1048 "vlan_parsing"
1049#define DEVLINK_TRAP_GENERIC_NAME_PPPOE_PPP_PARSING \
1050 "pppoe_ppp_parsing"
1051#define DEVLINK_TRAP_GENERIC_NAME_MPLS_PARSING \
1052 "mpls_parsing"
1053#define DEVLINK_TRAP_GENERIC_NAME_ARP_PARSING \
1054 "arp_parsing"
1055#define DEVLINK_TRAP_GENERIC_NAME_IP_1_PARSING \
1056 "ip_1_parsing"
1057#define DEVLINK_TRAP_GENERIC_NAME_IP_N_PARSING \
1058 "ip_n_parsing"
1059#define DEVLINK_TRAP_GENERIC_NAME_GRE_PARSING \
1060 "gre_parsing"
1061#define DEVLINK_TRAP_GENERIC_NAME_UDP_PARSING \
1062 "udp_parsing"
1063#define DEVLINK_TRAP_GENERIC_NAME_TCP_PARSING \
1064 "tcp_parsing"
1065#define DEVLINK_TRAP_GENERIC_NAME_IPSEC_PARSING \
1066 "ipsec_parsing"
1067#define DEVLINK_TRAP_GENERIC_NAME_SCTP_PARSING \
1068 "sctp_parsing"
1069#define DEVLINK_TRAP_GENERIC_NAME_DCCP_PARSING \
1070 "dccp_parsing"
1071#define DEVLINK_TRAP_GENERIC_NAME_GTP_PARSING \
1072 "gtp_parsing"
1073#define DEVLINK_TRAP_GENERIC_NAME_ESP_PARSING \
1074 "esp_parsing"
1075#define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_NEXTHOP \
1076 "blackhole_nexthop"
1077#define DEVLINK_TRAP_GENERIC_NAME_DMAC_FILTER \
1078 "dmac_filter"
1079
1080#define DEVLINK_TRAP_GROUP_GENERIC_NAME_L2_DROPS \
1081 "l2_drops"
1082#define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_DROPS \
1083 "l3_drops"
1084#define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_EXCEPTIONS \
1085 "l3_exceptions"
1086#define DEVLINK_TRAP_GROUP_GENERIC_NAME_BUFFER_DROPS \
1087 "buffer_drops"
1088#define DEVLINK_TRAP_GROUP_GENERIC_NAME_TUNNEL_DROPS \
1089 "tunnel_drops"
1090#define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_DROPS \
1091 "acl_drops"
1092#define DEVLINK_TRAP_GROUP_GENERIC_NAME_STP \
1093 "stp"
1094#define DEVLINK_TRAP_GROUP_GENERIC_NAME_LACP \
1095 "lacp"
1096#define DEVLINK_TRAP_GROUP_GENERIC_NAME_LLDP \
1097 "lldp"
1098#define DEVLINK_TRAP_GROUP_GENERIC_NAME_MC_SNOOPING \
1099 "mc_snooping"
1100#define DEVLINK_TRAP_GROUP_GENERIC_NAME_DHCP \
1101 "dhcp"
1102#define DEVLINK_TRAP_GROUP_GENERIC_NAME_NEIGH_DISCOVERY \
1103 "neigh_discovery"
1104#define DEVLINK_TRAP_GROUP_GENERIC_NAME_BFD \
1105 "bfd"
1106#define DEVLINK_TRAP_GROUP_GENERIC_NAME_OSPF \
1107 "ospf"
1108#define DEVLINK_TRAP_GROUP_GENERIC_NAME_BGP \
1109 "bgp"
1110#define DEVLINK_TRAP_GROUP_GENERIC_NAME_VRRP \
1111 "vrrp"
1112#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PIM \
1113 "pim"
1114#define DEVLINK_TRAP_GROUP_GENERIC_NAME_UC_LB \
1115 "uc_loopback"
1116#define DEVLINK_TRAP_GROUP_GENERIC_NAME_LOCAL_DELIVERY \
1117 "local_delivery"
1118#define DEVLINK_TRAP_GROUP_GENERIC_NAME_EXTERNAL_DELIVERY \
1119 "external_delivery"
1120#define DEVLINK_TRAP_GROUP_GENERIC_NAME_IPV6 \
1121 "ipv6"
1122#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_EVENT \
1123 "ptp_event"
1124#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_GENERAL \
1125 "ptp_general"
1126#define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_SAMPLE \
1127 "acl_sample"
1128#define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_TRAP \
1129 "acl_trap"
1130#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PARSER_ERROR_DROPS \
1131 "parser_error_drops"
1132
1133#define DEVLINK_TRAP_GENERIC(_type, _init_action, _id, _group_id, \
1134 _metadata_cap) \
1135 { \
1136 .type = DEVLINK_TRAP_TYPE_##_type, \
1137 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \
1138 .generic = true, \
1139 .id = DEVLINK_TRAP_GENERIC_ID_##_id, \
1140 .name = DEVLINK_TRAP_GENERIC_NAME_##_id, \
1141 .init_group_id = _group_id, \
1142 .metadata_cap = _metadata_cap, \
1143 }
1144
1145#define DEVLINK_TRAP_DRIVER(_type, _init_action, _id, _name, _group_id, \
1146 _metadata_cap) \
1147 { \
1148 .type = DEVLINK_TRAP_TYPE_##_type, \
1149 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \
1150 .generic = false, \
1151 .id = _id, \
1152 .name = _name, \
1153 .init_group_id = _group_id, \
1154 .metadata_cap = _metadata_cap, \
1155 }
1156
1157#define DEVLINK_TRAP_GROUP_GENERIC(_id, _policer_id) \
1158 { \
1159 .name = DEVLINK_TRAP_GROUP_GENERIC_NAME_##_id, \
1160 .id = DEVLINK_TRAP_GROUP_GENERIC_ID_##_id, \
1161 .generic = true, \
1162 .init_policer_id = _policer_id, \
1163 }
1164
1165#define DEVLINK_TRAP_POLICER(_id, _rate, _burst, _max_rate, _min_rate, \
1166 _max_burst, _min_burst) \
1167 { \
1168 .id = _id, \
1169 .init_rate = _rate, \
1170 .init_burst = _burst, \
1171 .max_rate = _max_rate, \
1172 .min_rate = _min_rate, \
1173 .max_burst = _max_burst, \
1174 .min_burst = _min_burst, \
1175 }
1176
1177enum {
1178 /* device supports reload operations */
1179 DEVLINK_F_RELOAD = 1UL << 0,
1180};
1181
1182struct devlink_ops {
1183 /**
1184 * @supported_flash_update_params:
1185 * mask of parameters supported by the driver's .flash_update
1186 * implemementation.
1187 */
1188 u32 supported_flash_update_params;
1189 unsigned long reload_actions;
1190 unsigned long reload_limits;
1191 int (*reload_down)(struct devlink *devlink, bool netns_change,
1192 enum devlink_reload_action action,
1193 enum devlink_reload_limit limit,
1194 struct netlink_ext_ack *extack);
1195 int (*reload_up)(struct devlink *devlink, enum devlink_reload_action action,
1196 enum devlink_reload_limit limit, u32 *actions_performed,
1197 struct netlink_ext_ack *extack);
1198 int (*port_type_set)(struct devlink_port *devlink_port,
1199 enum devlink_port_type port_type);
1200 int (*port_split)(struct devlink *devlink, unsigned int port_index,
1201 unsigned int count, struct netlink_ext_ack *extack);
1202 int (*port_unsplit)(struct devlink *devlink, unsigned int port_index,
1203 struct netlink_ext_ack *extack);
1204 int (*sb_pool_get)(struct devlink *devlink, unsigned int sb_index,
1205 u16 pool_index,
1206 struct devlink_sb_pool_info *pool_info);
1207 int (*sb_pool_set)(struct devlink *devlink, unsigned int sb_index,
1208 u16 pool_index, u32 size,
1209 enum devlink_sb_threshold_type threshold_type,
1210 struct netlink_ext_ack *extack);
1211 int (*sb_port_pool_get)(struct devlink_port *devlink_port,
1212 unsigned int sb_index, u16 pool_index,
1213 u32 *p_threshold);
1214 int (*sb_port_pool_set)(struct devlink_port *devlink_port,
1215 unsigned int sb_index, u16 pool_index,
1216 u32 threshold, struct netlink_ext_ack *extack);
1217 int (*sb_tc_pool_bind_get)(struct devlink_port *devlink_port,
1218 unsigned int sb_index,
1219 u16 tc_index,
1220 enum devlink_sb_pool_type pool_type,
1221 u16 *p_pool_index, u32 *p_threshold);
1222 int (*sb_tc_pool_bind_set)(struct devlink_port *devlink_port,
1223 unsigned int sb_index,
1224 u16 tc_index,
1225 enum devlink_sb_pool_type pool_type,
1226 u16 pool_index, u32 threshold,
1227 struct netlink_ext_ack *extack);
1228 int (*sb_occ_snapshot)(struct devlink *devlink,
1229 unsigned int sb_index);
1230 int (*sb_occ_max_clear)(struct devlink *devlink,
1231 unsigned int sb_index);
1232 int (*sb_occ_port_pool_get)(struct devlink_port *devlink_port,
1233 unsigned int sb_index, u16 pool_index,
1234 u32 *p_cur, u32 *p_max);
1235 int (*sb_occ_tc_port_bind_get)(struct devlink_port *devlink_port,
1236 unsigned int sb_index,
1237 u16 tc_index,
1238 enum devlink_sb_pool_type pool_type,
1239 u32 *p_cur, u32 *p_max);
1240
1241 int (*eswitch_mode_get)(struct devlink *devlink, u16 *p_mode);
1242 int (*eswitch_mode_set)(struct devlink *devlink, u16 mode,
1243 struct netlink_ext_ack *extack);
1244 int (*eswitch_inline_mode_get)(struct devlink *devlink, u8 *p_inline_mode);
1245 int (*eswitch_inline_mode_set)(struct devlink *devlink, u8 inline_mode,
1246 struct netlink_ext_ack *extack);
1247 int (*eswitch_encap_mode_get)(struct devlink *devlink,
1248 enum devlink_eswitch_encap_mode *p_encap_mode);
1249 int (*eswitch_encap_mode_set)(struct devlink *devlink,
1250 enum devlink_eswitch_encap_mode encap_mode,
1251 struct netlink_ext_ack *extack);
1252 int (*info_get)(struct devlink *devlink, struct devlink_info_req *req,
1253 struct netlink_ext_ack *extack);
1254 /**
1255 * @flash_update: Device flash update function
1256 *
1257 * Used to perform a flash update for the device. The set of
1258 * parameters supported by the driver should be set in
1259 * supported_flash_update_params.
1260 */
1261 int (*flash_update)(struct devlink *devlink,
1262 struct devlink_flash_update_params *params,
1263 struct netlink_ext_ack *extack);
1264 /**
1265 * @trap_init: Trap initialization function.
1266 *
1267 * Should be used by device drivers to initialize the trap in the
1268 * underlying device. Drivers should also store the provided trap
1269 * context, so that they could efficiently pass it to
1270 * devlink_trap_report() when the trap is triggered.
1271 */
1272 int (*trap_init)(struct devlink *devlink,
1273 const struct devlink_trap *trap, void *trap_ctx);
1274 /**
1275 * @trap_fini: Trap de-initialization function.
1276 *
1277 * Should be used by device drivers to de-initialize the trap in the
1278 * underlying device.
1279 */
1280 void (*trap_fini)(struct devlink *devlink,
1281 const struct devlink_trap *trap, void *trap_ctx);
1282 /**
1283 * @trap_action_set: Trap action set function.
1284 */
1285 int (*trap_action_set)(struct devlink *devlink,
1286 const struct devlink_trap *trap,
1287 enum devlink_trap_action action,
1288 struct netlink_ext_ack *extack);
1289 /**
1290 * @trap_group_init: Trap group initialization function.
1291 *
1292 * Should be used by device drivers to initialize the trap group in the
1293 * underlying device.
1294 */
1295 int (*trap_group_init)(struct devlink *devlink,
1296 const struct devlink_trap_group *group);
1297 /**
1298 * @trap_group_set: Trap group parameters set function.
1299 *
1300 * Note: @policer can be NULL when a policer is being unbound from
1301 * @group.
1302 */
1303 int (*trap_group_set)(struct devlink *devlink,
1304 const struct devlink_trap_group *group,
1305 const struct devlink_trap_policer *policer,
1306 struct netlink_ext_ack *extack);
1307 /**
1308 * @trap_group_action_set: Trap group action set function.
1309 *
1310 * If this callback is populated, it will take precedence over looping
1311 * over all traps in a group and calling .trap_action_set().
1312 */
1313 int (*trap_group_action_set)(struct devlink *devlink,
1314 const struct devlink_trap_group *group,
1315 enum devlink_trap_action action,
1316 struct netlink_ext_ack *extack);
1317 /**
1318 * @trap_drop_counter_get: Trap drop counter get function.
1319 *
1320 * Should be used by device drivers to report number of packets
1321 * that have been dropped, and cannot be passed to the devlink
1322 * subsystem by the underlying device.
1323 */
1324 int (*trap_drop_counter_get)(struct devlink *devlink,
1325 const struct devlink_trap *trap,
1326 u64 *p_drops);
1327 /**
1328 * @trap_policer_init: Trap policer initialization function.
1329 *
1330 * Should be used by device drivers to initialize the trap policer in
1331 * the underlying device.
1332 */
1333 int (*trap_policer_init)(struct devlink *devlink,
1334 const struct devlink_trap_policer *policer);
1335 /**
1336 * @trap_policer_fini: Trap policer de-initialization function.
1337 *
1338 * Should be used by device drivers to de-initialize the trap policer
1339 * in the underlying device.
1340 */
1341 void (*trap_policer_fini)(struct devlink *devlink,
1342 const struct devlink_trap_policer *policer);
1343 /**
1344 * @trap_policer_set: Trap policer parameters set function.
1345 */
1346 int (*trap_policer_set)(struct devlink *devlink,
1347 const struct devlink_trap_policer *policer,
1348 u64 rate, u64 burst,
1349 struct netlink_ext_ack *extack);
1350 /**
1351 * @trap_policer_counter_get: Trap policer counter get function.
1352 *
1353 * Should be used by device drivers to report number of packets dropped
1354 * by the policer.
1355 */
1356 int (*trap_policer_counter_get)(struct devlink *devlink,
1357 const struct devlink_trap_policer *policer,
1358 u64 *p_drops);
1359 /**
1360 * @port_function_hw_addr_get: Port function's hardware address get function.
1361 *
1362 * Should be used by device drivers to report the hardware address of a function managed
1363 * by the devlink port. Driver should return -EOPNOTSUPP if it doesn't support port
1364 * function handling for a particular port.
1365 *
1366 * Note: @extack can be NULL when port notifier queries the port function.
1367 */
1368 int (*port_function_hw_addr_get)(struct devlink_port *port, u8 *hw_addr,
1369 int *hw_addr_len,
1370 struct netlink_ext_ack *extack);
1371 /**
1372 * @port_function_hw_addr_set: Port function's hardware address set function.
1373 *
1374 * Should be used by device drivers to set the hardware address of a function managed
1375 * by the devlink port. Driver should return -EOPNOTSUPP if it doesn't support port
1376 * function handling for a particular port.
1377 */
1378 int (*port_function_hw_addr_set)(struct devlink_port *port,
1379 const u8 *hw_addr, int hw_addr_len,
1380 struct netlink_ext_ack *extack);
1381 /**
1382 * port_new() - Add a new port function of a specified flavor
1383 * @devlink: Devlink instance
1384 * @attrs: attributes of the new port
1385 * @extack: extack for reporting error messages
1386 * @new_port_index: index of the new port
1387 *
1388 * Devlink core will call this device driver function upon user request
1389 * to create a new port function of a specified flavor and optional
1390 * attributes
1391 *
1392 * Notes:
1393 * - Called without devlink instance lock being held. Drivers must
1394 * implement own means of synchronization
1395 * - On success, drivers must register a port with devlink core
1396 *
1397 * Return: 0 on success, negative value otherwise.
1398 */
1399 int (*port_new)(struct devlink *devlink,
1400 const struct devlink_port_new_attrs *attrs,
1401 struct netlink_ext_ack *extack,
1402 unsigned int *new_port_index);
1403 /**
1404 * port_del() - Delete a port function
1405 * @devlink: Devlink instance
1406 * @port_index: port function index to delete
1407 * @extack: extack for reporting error messages
1408 *
1409 * Devlink core will call this device driver function upon user request
1410 * to delete a previously created port function
1411 *
1412 * Notes:
1413 * - Called without devlink instance lock being held. Drivers must
1414 * implement own means of synchronization
1415 * - On success, drivers must unregister the corresponding devlink
1416 * port
1417 *
1418 * Return: 0 on success, negative value otherwise.
1419 */
1420 int (*port_del)(struct devlink *devlink, unsigned int port_index,
1421 struct netlink_ext_ack *extack);
1422 /**
1423 * port_fn_state_get() - Get the state of a port function
1424 * @devlink: Devlink instance
1425 * @port: The devlink port
1426 * @state: Admin configured state
1427 * @opstate: Current operational state
1428 * @extack: extack for reporting error messages
1429 *
1430 * Reports the admin and operational state of a devlink port function
1431 *
1432 * Return: 0 on success, negative value otherwise.
1433 */
1434 int (*port_fn_state_get)(struct devlink_port *port,
1435 enum devlink_port_fn_state *state,
1436 enum devlink_port_fn_opstate *opstate,
1437 struct netlink_ext_ack *extack);
1438 /**
1439 * port_fn_state_set() - Set the admin state of a port function
1440 * @devlink: Devlink instance
1441 * @port: The devlink port
1442 * @state: Admin state
1443 * @extack: extack for reporting error messages
1444 *
1445 * Set the admin state of a devlink port function
1446 *
1447 * Return: 0 on success, negative value otherwise.
1448 */
1449 int (*port_fn_state_set)(struct devlink_port *port,
1450 enum devlink_port_fn_state state,
1451 struct netlink_ext_ack *extack);
1452
1453 /**
1454 * Rate control callbacks.
1455 */
1456 int (*rate_leaf_tx_share_set)(struct devlink_rate *devlink_rate, void *priv,
1457 u64 tx_share, struct netlink_ext_ack *extack);
1458 int (*rate_leaf_tx_max_set)(struct devlink_rate *devlink_rate, void *priv,
1459 u64 tx_max, struct netlink_ext_ack *extack);
1460 int (*rate_node_tx_share_set)(struct devlink_rate *devlink_rate, void *priv,
1461 u64 tx_share, struct netlink_ext_ack *extack);
1462 int (*rate_node_tx_max_set)(struct devlink_rate *devlink_rate, void *priv,
1463 u64 tx_max, struct netlink_ext_ack *extack);
1464 int (*rate_node_new)(struct devlink_rate *rate_node, void **priv,
1465 struct netlink_ext_ack *extack);
1466 int (*rate_node_del)(struct devlink_rate *rate_node, void *priv,
1467 struct netlink_ext_ack *extack);
1468 int (*rate_leaf_parent_set)(struct devlink_rate *child,
1469 struct devlink_rate *parent,
1470 void *priv_child, void *priv_parent,
1471 struct netlink_ext_ack *extack);
1472 int (*rate_node_parent_set)(struct devlink_rate *child,
1473 struct devlink_rate *parent,
1474 void *priv_child, void *priv_parent,
1475 struct netlink_ext_ack *extack);
1476};
1477
1478void *devlink_priv(struct devlink *devlink);
1479struct devlink *priv_to_devlink(void *priv);
1480struct device *devlink_to_dev(const struct devlink *devlink);
1481
1482struct ib_device;
1483
1484struct net *devlink_net(const struct devlink *devlink);
1485/* This call is intended for software devices that can create
1486 * devlink instances in other namespaces than init_net.
1487 *
1488 * Drivers that operate on real HW must use devlink_alloc() instead.
1489 */
1490struct devlink *devlink_alloc_ns(const struct devlink_ops *ops,
1491 size_t priv_size, struct net *net,
1492 struct device *dev);
1493static inline struct devlink *devlink_alloc(const struct devlink_ops *ops,
1494 size_t priv_size,
1495 struct device *dev)
1496{
1497 return devlink_alloc_ns(ops, priv_size, &init_net, dev);
1498}
1499void devlink_set_features(struct devlink *devlink, u64 features);
1500void devlink_register(struct devlink *devlink);
1501void devlink_unregister(struct devlink *devlink);
1502void devlink_free(struct devlink *devlink);
1503int devlink_port_register(struct devlink *devlink,
1504 struct devlink_port *devlink_port,
1505 unsigned int port_index);
1506void devlink_port_unregister(struct devlink_port *devlink_port);
1507void devlink_port_type_eth_set(struct devlink_port *devlink_port,
1508 struct net_device *netdev);
1509void devlink_port_type_ib_set(struct devlink_port *devlink_port,
1510 struct ib_device *ibdev);
1511void devlink_port_type_clear(struct devlink_port *devlink_port);
1512void devlink_port_attrs_set(struct devlink_port *devlink_port,
1513 struct devlink_port_attrs *devlink_port_attrs);
1514void devlink_port_attrs_pci_pf_set(struct devlink_port *devlink_port, u32 controller,
1515 u16 pf, bool external);
1516void devlink_port_attrs_pci_vf_set(struct devlink_port *devlink_port, u32 controller,
1517 u16 pf, u16 vf, bool external);
1518void devlink_port_attrs_pci_sf_set(struct devlink_port *devlink_port,
1519 u32 controller, u16 pf, u32 sf,
1520 bool external);
1521int devlink_rate_leaf_create(struct devlink_port *port, void *priv);
1522void devlink_rate_leaf_destroy(struct devlink_port *devlink_port);
1523void devlink_rate_nodes_destroy(struct devlink *devlink);
1524int devlink_sb_register(struct devlink *devlink, unsigned int sb_index,
1525 u32 size, u16 ingress_pools_count,
1526 u16 egress_pools_count, u16 ingress_tc_count,
1527 u16 egress_tc_count);
1528void devlink_sb_unregister(struct devlink *devlink, unsigned int sb_index);
1529int devlink_dpipe_table_register(struct devlink *devlink,
1530 const char *table_name,
1531 struct devlink_dpipe_table_ops *table_ops,
1532 void *priv, bool counter_control_extern);
1533void devlink_dpipe_table_unregister(struct devlink *devlink,
1534 const char *table_name);
1535int devlink_dpipe_headers_register(struct devlink *devlink,
1536 struct devlink_dpipe_headers *dpipe_headers);
1537void devlink_dpipe_headers_unregister(struct devlink *devlink);
1538bool devlink_dpipe_table_counter_enabled(struct devlink *devlink,
1539 const char *table_name);
1540int devlink_dpipe_entry_ctx_prepare(struct devlink_dpipe_dump_ctx *dump_ctx);
1541int devlink_dpipe_entry_ctx_append(struct devlink_dpipe_dump_ctx *dump_ctx,
1542 struct devlink_dpipe_entry *entry);
1543int devlink_dpipe_entry_ctx_close(struct devlink_dpipe_dump_ctx *dump_ctx);
1544void devlink_dpipe_entry_clear(struct devlink_dpipe_entry *entry);
1545int devlink_dpipe_action_put(struct sk_buff *skb,
1546 struct devlink_dpipe_action *action);
1547int devlink_dpipe_match_put(struct sk_buff *skb,
1548 struct devlink_dpipe_match *match);
1549extern struct devlink_dpipe_header devlink_dpipe_header_ethernet;
1550extern struct devlink_dpipe_header devlink_dpipe_header_ipv4;
1551extern struct devlink_dpipe_header devlink_dpipe_header_ipv6;
1552
1553int devlink_resource_register(struct devlink *devlink,
1554 const char *resource_name,
1555 u64 resource_size,
1556 u64 resource_id,
1557 u64 parent_resource_id,
1558 const struct devlink_resource_size_params *size_params);
1559void devlink_resources_unregister(struct devlink *devlink);
1560int devlink_resource_size_get(struct devlink *devlink,
1561 u64 resource_id,
1562 u64 *p_resource_size);
1563int devlink_dpipe_table_resource_set(struct devlink *devlink,
1564 const char *table_name, u64 resource_id,
1565 u64 resource_units);
1566void devlink_resource_occ_get_register(struct devlink *devlink,
1567 u64 resource_id,
1568 devlink_resource_occ_get_t *occ_get,
1569 void *occ_get_priv);
1570void devlink_resource_occ_get_unregister(struct devlink *devlink,
1571 u64 resource_id);
1572int devlink_params_register(struct devlink *devlink,
1573 const struct devlink_param *params,
1574 size_t params_count);
1575void devlink_params_unregister(struct devlink *devlink,
1576 const struct devlink_param *params,
1577 size_t params_count);
1578int devlink_param_register(struct devlink *devlink,
1579 const struct devlink_param *param);
1580void devlink_param_unregister(struct devlink *devlink,
1581 const struct devlink_param *param);
1582int devlink_param_driverinit_value_get(struct devlink *devlink, u32 param_id,
1583 union devlink_param_value *init_val);
1584int devlink_param_driverinit_value_set(struct devlink *devlink, u32 param_id,
1585 union devlink_param_value init_val);
1586void devlink_param_value_changed(struct devlink *devlink, u32 param_id);
1587struct devlink_region *
1588devlink_region_create(struct devlink *devlink,
1589 const struct devlink_region_ops *ops,
1590 u32 region_max_snapshots, u64 region_size);
1591struct devlink_region *
1592devlink_port_region_create(struct devlink_port *port,
1593 const struct devlink_port_region_ops *ops,
1594 u32 region_max_snapshots, u64 region_size);
1595void devlink_region_destroy(struct devlink_region *region);
1596void devlink_port_region_destroy(struct devlink_region *region);
1597
1598int devlink_region_snapshot_id_get(struct devlink *devlink, u32 *id);
1599void devlink_region_snapshot_id_put(struct devlink *devlink, u32 id);
1600int devlink_region_snapshot_create(struct devlink_region *region,
1601 u8 *data, u32 snapshot_id);
1602int devlink_info_serial_number_put(struct devlink_info_req *req,
1603 const char *sn);
1604int devlink_info_driver_name_put(struct devlink_info_req *req,
1605 const char *name);
1606int devlink_info_board_serial_number_put(struct devlink_info_req *req,
1607 const char *bsn);
1608int devlink_info_version_fixed_put(struct devlink_info_req *req,
1609 const char *version_name,
1610 const char *version_value);
1611int devlink_info_version_stored_put(struct devlink_info_req *req,
1612 const char *version_name,
1613 const char *version_value);
1614int devlink_info_version_running_put(struct devlink_info_req *req,
1615 const char *version_name,
1616 const char *version_value);
1617
1618int devlink_fmsg_obj_nest_start(struct devlink_fmsg *fmsg);
1619int devlink_fmsg_obj_nest_end(struct devlink_fmsg *fmsg);
1620
1621int devlink_fmsg_pair_nest_start(struct devlink_fmsg *fmsg, const char *name);
1622int devlink_fmsg_pair_nest_end(struct devlink_fmsg *fmsg);
1623
1624int devlink_fmsg_arr_pair_nest_start(struct devlink_fmsg *fmsg,
1625 const char *name);
1626int devlink_fmsg_arr_pair_nest_end(struct devlink_fmsg *fmsg);
1627int devlink_fmsg_binary_pair_nest_start(struct devlink_fmsg *fmsg,
1628 const char *name);
1629int devlink_fmsg_binary_pair_nest_end(struct devlink_fmsg *fmsg);
1630
1631int devlink_fmsg_u32_put(struct devlink_fmsg *fmsg, u32 value);
1632int devlink_fmsg_string_put(struct devlink_fmsg *fmsg, const char *value);
1633int devlink_fmsg_binary_put(struct devlink_fmsg *fmsg, const void *value,
1634 u16 value_len);
1635
1636int devlink_fmsg_bool_pair_put(struct devlink_fmsg *fmsg, const char *name,
1637 bool value);
1638int devlink_fmsg_u8_pair_put(struct devlink_fmsg *fmsg, const char *name,
1639 u8 value);
1640int devlink_fmsg_u32_pair_put(struct devlink_fmsg *fmsg, const char *name,
1641 u32 value);
1642int devlink_fmsg_u64_pair_put(struct devlink_fmsg *fmsg, const char *name,
1643 u64 value);
1644int devlink_fmsg_string_pair_put(struct devlink_fmsg *fmsg, const char *name,
1645 const char *value);
1646int devlink_fmsg_binary_pair_put(struct devlink_fmsg *fmsg, const char *name,
1647 const void *value, u32 value_len);
1648
1649struct devlink_health_reporter *
1650devlink_health_reporter_create(struct devlink *devlink,
1651 const struct devlink_health_reporter_ops *ops,
1652 u64 graceful_period, void *priv);
1653
1654struct devlink_health_reporter *
1655devlink_port_health_reporter_create(struct devlink_port *port,
1656 const struct devlink_health_reporter_ops *ops,
1657 u64 graceful_period, void *priv);
1658
1659void
1660devlink_health_reporter_destroy(struct devlink_health_reporter *reporter);
1661
1662void
1663devlink_port_health_reporter_destroy(struct devlink_health_reporter *reporter);
1664
1665void *
1666devlink_health_reporter_priv(struct devlink_health_reporter *reporter);
1667int devlink_health_report(struct devlink_health_reporter *reporter,
1668 const char *msg, void *priv_ctx);
1669void
1670devlink_health_reporter_state_update(struct devlink_health_reporter *reporter,
1671 enum devlink_health_reporter_state state);
1672void
1673devlink_health_reporter_recovery_done(struct devlink_health_reporter *reporter);
1674
1675bool devlink_is_reload_failed(const struct devlink *devlink);
1676void devlink_remote_reload_actions_performed(struct devlink *devlink,
1677 enum devlink_reload_limit limit,
1678 u32 actions_performed);
1679
1680void devlink_flash_update_status_notify(struct devlink *devlink,
1681 const char *status_msg,
1682 const char *component,
1683 unsigned long done,
1684 unsigned long total);
1685void devlink_flash_update_timeout_notify(struct devlink *devlink,
1686 const char *status_msg,
1687 const char *component,
1688 unsigned long timeout);
1689
1690int devlink_traps_register(struct devlink *devlink,
1691 const struct devlink_trap *traps,
1692 size_t traps_count, void *priv);
1693void devlink_traps_unregister(struct devlink *devlink,
1694 const struct devlink_trap *traps,
1695 size_t traps_count);
1696void devlink_trap_report(struct devlink *devlink, struct sk_buff *skb,
1697 void *trap_ctx, struct devlink_port *in_devlink_port,
1698 const struct flow_action_cookie *fa_cookie);
1699void *devlink_trap_ctx_priv(void *trap_ctx);
1700int devlink_trap_groups_register(struct devlink *devlink,
1701 const struct devlink_trap_group *groups,
1702 size_t groups_count);
1703void devlink_trap_groups_unregister(struct devlink *devlink,
1704 const struct devlink_trap_group *groups,
1705 size_t groups_count);
1706int
1707devlink_trap_policers_register(struct devlink *devlink,
1708 const struct devlink_trap_policer *policers,
1709 size_t policers_count);
1710void
1711devlink_trap_policers_unregister(struct devlink *devlink,
1712 const struct devlink_trap_policer *policers,
1713 size_t policers_count);
1714
1715#if IS_ENABLED(CONFIG_NET_DEVLINK)
1716
1717struct devlink *__must_check devlink_try_get(struct devlink *devlink);
1718void devlink_put(struct devlink *devlink);
1719
1720void devlink_compat_running_version(struct devlink *devlink,
1721 char *buf, size_t len);
1722int devlink_compat_flash_update(struct devlink *devlink, const char *file_name);
1723int devlink_compat_phys_port_name_get(struct net_device *dev,
1724 char *name, size_t len);
1725int devlink_compat_switch_id_get(struct net_device *dev,
1726 struct netdev_phys_item_id *ppid);
1727
1728#else
1729
1730static inline struct devlink *devlink_try_get(struct devlink *devlink)
1731{
1732 return NULL;
1733}
1734
1735static inline void devlink_put(struct devlink *devlink)
1736{
1737}
1738
1739static inline void
1740devlink_compat_running_version(struct devlink *devlink, char *buf, size_t len)
1741{
1742}
1743
1744static inline int
1745devlink_compat_flash_update(struct devlink *devlink, const char *file_name)
1746{
1747 return -EOPNOTSUPP;
1748}
1749
1750static inline int
1751devlink_compat_phys_port_name_get(struct net_device *dev,
1752 char *name, size_t len)
1753{
1754 return -EOPNOTSUPP;
1755}
1756
1757static inline int
1758devlink_compat_switch_id_get(struct net_device *dev,
1759 struct netdev_phys_item_id *ppid)
1760{
1761 return -EOPNOTSUPP;
1762}
1763
1764#endif
1765
1766#endif /* _NET_DEVLINK_H_ */