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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 <jiri@mellanox.com>
6 */
7#ifndef _NET_DEVLINK_H_
8#define _NET_DEVLINK_H_
9
10#include <linux/device.h>
11#include <linux/slab.h>
12#include <linux/gfp.h>
13#include <linux/list.h>
14#include <linux/netdevice.h>
15#include <linux/spinlock.h>
16#include <linux/workqueue.h>
17#include <linux/refcount.h>
18#include <net/net_namespace.h>
19#include <net/flow_offload.h>
20#include <uapi/linux/devlink.h>
21#include <linux/xarray.h>
22#include <linux/firmware.h>
23
24#define DEVLINK_RELOAD_STATS_ARRAY_SIZE \
25 (__DEVLINK_RELOAD_LIMIT_MAX * __DEVLINK_RELOAD_ACTION_MAX)
26
27struct devlink_dev_stats {
28 u32 reload_stats[DEVLINK_RELOAD_STATS_ARRAY_SIZE];
29 u32 remote_reload_stats[DEVLINK_RELOAD_STATS_ARRAY_SIZE];
30};
31
32struct devlink_ops;
33
34struct devlink {
35 u32 index;
36 struct list_head port_list;
37 struct list_head rate_list;
38 struct list_head sb_list;
39 struct list_head dpipe_table_list;
40 struct list_head resource_list;
41 struct list_head param_list;
42 struct list_head region_list;
43 struct list_head reporter_list;
44 struct mutex reporters_lock; /* protects reporter_list */
45 struct devlink_dpipe_headers *dpipe_headers;
46 struct list_head trap_list;
47 struct list_head trap_group_list;
48 struct list_head trap_policer_list;
49 const struct devlink_ops *ops;
50 struct xarray snapshot_ids;
51 struct devlink_dev_stats stats;
52 struct device *dev;
53 possible_net_t _net;
54 struct mutex lock; /* Serializes access to devlink instance specific objects such as
55 * port, sb, dpipe, resource, params, region, traps and more.
56 */
57 u8 reload_failed:1,
58 reload_enabled:1;
59 refcount_t refcount;
60 struct completion comp;
61 char priv[0] __aligned(NETDEV_ALIGN);
62};
63
64struct devlink_port_phys_attrs {
65 u32 port_number; /* Same value as "split group".
66 * A physical port which is visible to the user
67 * for a given port flavour.
68 */
69 u32 split_subport_number; /* If the port is split, this is the number of subport. */
70};
71
72/**
73 * struct devlink_port_pci_pf_attrs - devlink port's PCI PF attributes
74 * @controller: Associated controller number
75 * @pf: Associated PCI PF number for this port.
76 * @external: when set, indicates if a port is for an external controller
77 */
78struct devlink_port_pci_pf_attrs {
79 u32 controller;
80 u16 pf;
81 u8 external:1;
82};
83
84/**
85 * struct devlink_port_pci_vf_attrs - devlink port's PCI VF attributes
86 * @controller: Associated controller number
87 * @pf: Associated PCI PF number for this port.
88 * @vf: Associated PCI VF for of the PCI PF for this port.
89 * @external: when set, indicates if a port is for an external controller
90 */
91struct devlink_port_pci_vf_attrs {
92 u32 controller;
93 u16 pf;
94 u16 vf;
95 u8 external:1;
96};
97
98/**
99 * struct devlink_port_pci_sf_attrs - devlink port's PCI SF attributes
100 * @controller: Associated controller number
101 * @sf: Associated PCI SF for of the PCI PF for this port.
102 * @pf: Associated PCI PF number for this port.
103 * @external: when set, indicates if a port is for an external controller
104 */
105struct devlink_port_pci_sf_attrs {
106 u32 controller;
107 u32 sf;
108 u16 pf;
109 u8 external:1;
110};
111
112/**
113 * struct devlink_port_attrs - devlink port object
114 * @flavour: flavour of the port
115 * @split: indicates if this is split port
116 * @splittable: indicates if the port can be split.
117 * @lanes: maximum number of lanes the port supports. 0 value is not passed to netlink.
118 * @switch_id: if the port is part of switch, this is buffer with ID, otherwise this is NULL
119 * @phys: physical port attributes
120 * @pci_pf: PCI PF port attributes
121 * @pci_vf: PCI VF port attributes
122 * @pci_sf: PCI SF port attributes
123 */
124struct devlink_port_attrs {
125 u8 split:1,
126 splittable:1;
127 u32 lanes;
128 enum devlink_port_flavour flavour;
129 struct netdev_phys_item_id switch_id;
130 union {
131 struct devlink_port_phys_attrs phys;
132 struct devlink_port_pci_pf_attrs pci_pf;
133 struct devlink_port_pci_vf_attrs pci_vf;
134 struct devlink_port_pci_sf_attrs pci_sf;
135 };
136};
137
138struct devlink_rate {
139 struct list_head list;
140 enum devlink_rate_type type;
141 struct devlink *devlink;
142 void *priv;
143 u64 tx_share;
144 u64 tx_max;
145
146 struct devlink_rate *parent;
147 union {
148 struct devlink_port *devlink_port;
149 struct {
150 char *name;
151 refcount_t refcnt;
152 };
153 };
154};
155
156struct devlink_port {
157 struct list_head list;
158 struct list_head param_list;
159 struct list_head region_list;
160 struct devlink *devlink;
161 unsigned int index;
162 spinlock_t type_lock; /* Protects type and type_dev
163 * pointer consistency.
164 */
165 enum devlink_port_type type;
166 enum devlink_port_type desired_type;
167 void *type_dev;
168 struct devlink_port_attrs attrs;
169 u8 attrs_set:1,
170 switch_port:1;
171 struct delayed_work type_warn_dw;
172 struct list_head reporter_list;
173 struct mutex reporters_lock; /* Protects reporter_list */
174
175 struct devlink_rate *devlink_rate;
176};
177
178struct devlink_port_new_attrs {
179 enum devlink_port_flavour flavour;
180 unsigned int port_index;
181 u32 controller;
182 u32 sfnum;
183 u16 pfnum;
184 u8 port_index_valid:1,
185 controller_valid:1,
186 sfnum_valid:1;
187};
188
189struct devlink_sb_pool_info {
190 enum devlink_sb_pool_type pool_type;
191 u32 size;
192 enum devlink_sb_threshold_type threshold_type;
193 u32 cell_size;
194};
195
196/**
197 * struct devlink_dpipe_field - dpipe field object
198 * @name: field name
199 * @id: index inside the headers field array
200 * @bitwidth: bitwidth
201 * @mapping_type: mapping type
202 */
203struct devlink_dpipe_field {
204 const char *name;
205 unsigned int id;
206 unsigned int bitwidth;
207 enum devlink_dpipe_field_mapping_type mapping_type;
208};
209
210/**
211 * struct devlink_dpipe_header - dpipe header object
212 * @name: header name
213 * @id: index, global/local detrmined by global bit
214 * @fields: fields
215 * @fields_count: number of fields
216 * @global: indicates if header is shared like most protocol header
217 * or driver specific
218 */
219struct devlink_dpipe_header {
220 const char *name;
221 unsigned int id;
222 struct devlink_dpipe_field *fields;
223 unsigned int fields_count;
224 bool global;
225};
226
227/**
228 * struct devlink_dpipe_match - represents match operation
229 * @type: type of match
230 * @header_index: header index (packets can have several headers of same
231 * type like in case of tunnels)
232 * @header: header
233 * @fieled_id: field index
234 */
235struct devlink_dpipe_match {
236 enum devlink_dpipe_match_type type;
237 unsigned int header_index;
238 struct devlink_dpipe_header *header;
239 unsigned int field_id;
240};
241
242/**
243 * struct devlink_dpipe_action - represents action operation
244 * @type: type of action
245 * @header_index: header index (packets can have several headers of same
246 * type like in case of tunnels)
247 * @header: header
248 * @fieled_id: field index
249 */
250struct devlink_dpipe_action {
251 enum devlink_dpipe_action_type type;
252 unsigned int header_index;
253 struct devlink_dpipe_header *header;
254 unsigned int field_id;
255};
256
257/**
258 * struct devlink_dpipe_value - represents value of match/action
259 * @action: action
260 * @match: match
261 * @mapping_value: in case the field has some mapping this value
262 * specified the mapping value
263 * @mapping_valid: specify if mapping value is valid
264 * @value_size: value size
265 * @value: value
266 * @mask: bit mask
267 */
268struct devlink_dpipe_value {
269 union {
270 struct devlink_dpipe_action *action;
271 struct devlink_dpipe_match *match;
272 };
273 unsigned int mapping_value;
274 bool mapping_valid;
275 unsigned int value_size;
276 void *value;
277 void *mask;
278};
279
280/**
281 * struct devlink_dpipe_entry - table entry object
282 * @index: index of the entry in the table
283 * @match_values: match values
284 * @matche_values_count: count of matches tuples
285 * @action_values: actions values
286 * @action_values_count: count of actions values
287 * @counter: value of counter
288 * @counter_valid: Specify if value is valid from hardware
289 */
290struct devlink_dpipe_entry {
291 u64 index;
292 struct devlink_dpipe_value *match_values;
293 unsigned int match_values_count;
294 struct devlink_dpipe_value *action_values;
295 unsigned int action_values_count;
296 u64 counter;
297 bool counter_valid;
298};
299
300/**
301 * struct devlink_dpipe_dump_ctx - context provided to driver in order
302 * to dump
303 * @info: info
304 * @cmd: devlink command
305 * @skb: skb
306 * @nest: top attribute
307 * @hdr: hdr
308 */
309struct devlink_dpipe_dump_ctx {
310 struct genl_info *info;
311 enum devlink_command cmd;
312 struct sk_buff *skb;
313 struct nlattr *nest;
314 void *hdr;
315};
316
317struct devlink_dpipe_table_ops;
318
319/**
320 * struct devlink_dpipe_table - table object
321 * @priv: private
322 * @name: table name
323 * @counters_enabled: indicates if counters are active
324 * @counter_control_extern: indicates if counter control is in dpipe or
325 * external tool
326 * @resource_valid: Indicate that the resource id is valid
327 * @resource_id: relative resource this table is related to
328 * @resource_units: number of resource's unit consumed per table's entry
329 * @table_ops: table operations
330 * @rcu: rcu
331 */
332struct devlink_dpipe_table {
333 void *priv;
334 struct list_head list;
335 const char *name;
336 bool counters_enabled;
337 bool counter_control_extern;
338 bool resource_valid;
339 u64 resource_id;
340 u64 resource_units;
341 struct devlink_dpipe_table_ops *table_ops;
342 struct rcu_head rcu;
343};
344
345/**
346 * struct devlink_dpipe_table_ops - dpipe_table ops
347 * @actions_dump - dumps all tables actions
348 * @matches_dump - dumps all tables matches
349 * @entries_dump - dumps all active entries in the table
350 * @counters_set_update - when changing the counter status hardware sync
351 * maybe needed to allocate/free counter related
352 * resources
353 * @size_get - get size
354 */
355struct devlink_dpipe_table_ops {
356 int (*actions_dump)(void *priv, struct sk_buff *skb);
357 int (*matches_dump)(void *priv, struct sk_buff *skb);
358 int (*entries_dump)(void *priv, bool counters_enabled,
359 struct devlink_dpipe_dump_ctx *dump_ctx);
360 int (*counters_set_update)(void *priv, bool enable);
361 u64 (*size_get)(void *priv);
362};
363
364/**
365 * struct devlink_dpipe_headers - dpipe headers
366 * @headers - header array can be shared (global bit) or driver specific
367 * @headers_count - count of headers
368 */
369struct devlink_dpipe_headers {
370 struct devlink_dpipe_header **headers;
371 unsigned int headers_count;
372};
373
374/**
375 * struct devlink_resource_size_params - resource's size parameters
376 * @size_min: minimum size which can be set
377 * @size_max: maximum size which can be set
378 * @size_granularity: size granularity
379 * @size_unit: resource's basic unit
380 */
381struct devlink_resource_size_params {
382 u64 size_min;
383 u64 size_max;
384 u64 size_granularity;
385 enum devlink_resource_unit unit;
386};
387
388static inline void
389devlink_resource_size_params_init(struct devlink_resource_size_params *size_params,
390 u64 size_min, u64 size_max,
391 u64 size_granularity,
392 enum devlink_resource_unit unit)
393{
394 size_params->size_min = size_min;
395 size_params->size_max = size_max;
396 size_params->size_granularity = size_granularity;
397 size_params->unit = unit;
398}
399
400typedef u64 devlink_resource_occ_get_t(void *priv);
401
402/**
403 * struct devlink_resource - devlink resource
404 * @name: name of the resource
405 * @id: id, per devlink instance
406 * @size: size of the resource
407 * @size_new: updated size of the resource, reload is needed
408 * @size_valid: valid in case the total size of the resource is valid
409 * including its children
410 * @parent: parent resource
411 * @size_params: size parameters
412 * @list: parent list
413 * @resource_list: list of child resources
414 */
415struct devlink_resource {
416 const char *name;
417 u64 id;
418 u64 size;
419 u64 size_new;
420 bool size_valid;
421 struct devlink_resource *parent;
422 struct devlink_resource_size_params size_params;
423 struct list_head list;
424 struct list_head resource_list;
425 devlink_resource_occ_get_t *occ_get;
426 void *occ_get_priv;
427};
428
429#define DEVLINK_RESOURCE_ID_PARENT_TOP 0
430
431#define DEVLINK_RESOURCE_GENERIC_NAME_PORTS "physical_ports"
432
433#define __DEVLINK_PARAM_MAX_STRING_VALUE 32
434enum devlink_param_type {
435 DEVLINK_PARAM_TYPE_U8,
436 DEVLINK_PARAM_TYPE_U16,
437 DEVLINK_PARAM_TYPE_U32,
438 DEVLINK_PARAM_TYPE_STRING,
439 DEVLINK_PARAM_TYPE_BOOL,
440};
441
442union devlink_param_value {
443 u8 vu8;
444 u16 vu16;
445 u32 vu32;
446 char vstr[__DEVLINK_PARAM_MAX_STRING_VALUE];
447 bool vbool;
448};
449
450struct devlink_param_gset_ctx {
451 union devlink_param_value val;
452 enum devlink_param_cmode cmode;
453};
454
455/**
456 * struct devlink_flash_notify - devlink dev flash notify data
457 * @status_msg: current status string
458 * @component: firmware component being updated
459 * @done: amount of work completed of total amount
460 * @total: amount of work expected to be done
461 * @timeout: expected max timeout in seconds
462 *
463 * These are values to be given to userland to be displayed in order
464 * to show current activity in a firmware update process.
465 */
466struct devlink_flash_notify {
467 const char *status_msg;
468 const char *component;
469 unsigned long done;
470 unsigned long total;
471 unsigned long timeout;
472};
473
474/**
475 * struct devlink_param - devlink configuration parameter data
476 * @name: name of the parameter
477 * @generic: indicates if the parameter is generic or driver specific
478 * @type: parameter type
479 * @supported_cmodes: bitmap of supported configuration modes
480 * @get: get parameter value, used for runtime and permanent
481 * configuration modes
482 * @set: set parameter value, used for runtime and permanent
483 * configuration modes
484 * @validate: validate input value is applicable (within value range, etc.)
485 *
486 * This struct should be used by the driver to fill the data for
487 * a parameter it registers.
488 */
489struct devlink_param {
490 u32 id;
491 const char *name;
492 bool generic;
493 enum devlink_param_type type;
494 unsigned long supported_cmodes;
495 int (*get)(struct devlink *devlink, u32 id,
496 struct devlink_param_gset_ctx *ctx);
497 int (*set)(struct devlink *devlink, u32 id,
498 struct devlink_param_gset_ctx *ctx);
499 int (*validate)(struct devlink *devlink, u32 id,
500 union devlink_param_value val,
501 struct netlink_ext_ack *extack);
502};
503
504struct devlink_param_item {
505 struct list_head list;
506 const struct devlink_param *param;
507 union devlink_param_value driverinit_value;
508 bool driverinit_value_valid;
509 bool published;
510};
511
512enum devlink_param_generic_id {
513 DEVLINK_PARAM_GENERIC_ID_INT_ERR_RESET,
514 DEVLINK_PARAM_GENERIC_ID_MAX_MACS,
515 DEVLINK_PARAM_GENERIC_ID_ENABLE_SRIOV,
516 DEVLINK_PARAM_GENERIC_ID_REGION_SNAPSHOT,
517 DEVLINK_PARAM_GENERIC_ID_IGNORE_ARI,
518 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX,
519 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN,
520 DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY,
521 DEVLINK_PARAM_GENERIC_ID_RESET_DEV_ON_DRV_PROBE,
522 DEVLINK_PARAM_GENERIC_ID_ENABLE_ROCE,
523 DEVLINK_PARAM_GENERIC_ID_ENABLE_REMOTE_DEV_RESET,
524 DEVLINK_PARAM_GENERIC_ID_ENABLE_ETH,
525 DEVLINK_PARAM_GENERIC_ID_ENABLE_RDMA,
526 DEVLINK_PARAM_GENERIC_ID_ENABLE_VNET,
527
528 /* add new param generic ids above here*/
529 __DEVLINK_PARAM_GENERIC_ID_MAX,
530 DEVLINK_PARAM_GENERIC_ID_MAX = __DEVLINK_PARAM_GENERIC_ID_MAX - 1,
531};
532
533#define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_NAME "internal_error_reset"
534#define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL
535
536#define DEVLINK_PARAM_GENERIC_MAX_MACS_NAME "max_macs"
537#define DEVLINK_PARAM_GENERIC_MAX_MACS_TYPE DEVLINK_PARAM_TYPE_U32
538
539#define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_NAME "enable_sriov"
540#define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_TYPE DEVLINK_PARAM_TYPE_BOOL
541
542#define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_NAME "region_snapshot_enable"
543#define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_TYPE DEVLINK_PARAM_TYPE_BOOL
544
545#define DEVLINK_PARAM_GENERIC_IGNORE_ARI_NAME "ignore_ari"
546#define DEVLINK_PARAM_GENERIC_IGNORE_ARI_TYPE DEVLINK_PARAM_TYPE_BOOL
547
548#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_NAME "msix_vec_per_pf_max"
549#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_TYPE DEVLINK_PARAM_TYPE_U32
550
551#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_NAME "msix_vec_per_pf_min"
552#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_TYPE DEVLINK_PARAM_TYPE_U32
553
554#define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_NAME "fw_load_policy"
555#define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_TYPE DEVLINK_PARAM_TYPE_U8
556
557#define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_NAME \
558 "reset_dev_on_drv_probe"
559#define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_TYPE DEVLINK_PARAM_TYPE_U8
560
561#define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_NAME "enable_roce"
562#define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_TYPE DEVLINK_PARAM_TYPE_BOOL
563
564#define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_NAME "enable_remote_dev_reset"
565#define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL
566
567#define DEVLINK_PARAM_GENERIC_ENABLE_ETH_NAME "enable_eth"
568#define DEVLINK_PARAM_GENERIC_ENABLE_ETH_TYPE DEVLINK_PARAM_TYPE_BOOL
569
570#define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_NAME "enable_rdma"
571#define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_TYPE DEVLINK_PARAM_TYPE_BOOL
572
573#define DEVLINK_PARAM_GENERIC_ENABLE_VNET_NAME "enable_vnet"
574#define DEVLINK_PARAM_GENERIC_ENABLE_VNET_TYPE DEVLINK_PARAM_TYPE_BOOL
575
576#define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate) \
577{ \
578 .id = DEVLINK_PARAM_GENERIC_ID_##_id, \
579 .name = DEVLINK_PARAM_GENERIC_##_id##_NAME, \
580 .type = DEVLINK_PARAM_GENERIC_##_id##_TYPE, \
581 .generic = true, \
582 .supported_cmodes = _cmodes, \
583 .get = _get, \
584 .set = _set, \
585 .validate = _validate, \
586}
587
588#define DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, _get, _set, _validate) \
589{ \
590 .id = _id, \
591 .name = _name, \
592 .type = _type, \
593 .supported_cmodes = _cmodes, \
594 .get = _get, \
595 .set = _set, \
596 .validate = _validate, \
597}
598
599/* Part number, identifier of board design */
600#define DEVLINK_INFO_VERSION_GENERIC_BOARD_ID "board.id"
601/* Revision of board design */
602#define DEVLINK_INFO_VERSION_GENERIC_BOARD_REV "board.rev"
603/* Maker of the board */
604#define DEVLINK_INFO_VERSION_GENERIC_BOARD_MANUFACTURE "board.manufacture"
605
606/* Part number, identifier of asic design */
607#define DEVLINK_INFO_VERSION_GENERIC_ASIC_ID "asic.id"
608/* Revision of asic design */
609#define DEVLINK_INFO_VERSION_GENERIC_ASIC_REV "asic.rev"
610
611/* Overall FW version */
612#define DEVLINK_INFO_VERSION_GENERIC_FW "fw"
613/* Control processor FW version */
614#define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT "fw.mgmt"
615/* FW interface specification version */
616#define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT_API "fw.mgmt.api"
617/* Data path microcode controlling high-speed packet processing */
618#define DEVLINK_INFO_VERSION_GENERIC_FW_APP "fw.app"
619/* UNDI software version */
620#define DEVLINK_INFO_VERSION_GENERIC_FW_UNDI "fw.undi"
621/* NCSI support/handler version */
622#define DEVLINK_INFO_VERSION_GENERIC_FW_NCSI "fw.ncsi"
623/* FW parameter set id */
624#define DEVLINK_INFO_VERSION_GENERIC_FW_PSID "fw.psid"
625/* RoCE FW version */
626#define DEVLINK_INFO_VERSION_GENERIC_FW_ROCE "fw.roce"
627/* Firmware bundle identifier */
628#define DEVLINK_INFO_VERSION_GENERIC_FW_BUNDLE_ID "fw.bundle_id"
629
630/**
631 * struct devlink_flash_update_params - Flash Update parameters
632 * @fw: pointer to the firmware data to update from
633 * @component: the flash component to update
634 *
635 * With the exception of fw, drivers must opt-in to parameters by
636 * setting the appropriate bit in the supported_flash_update_params field in
637 * their devlink_ops structure.
638 */
639struct devlink_flash_update_params {
640 const struct firmware *fw;
641 const char *component;
642 u32 overwrite_mask;
643};
644
645#define DEVLINK_SUPPORT_FLASH_UPDATE_COMPONENT BIT(0)
646#define DEVLINK_SUPPORT_FLASH_UPDATE_OVERWRITE_MASK BIT(1)
647
648struct devlink_region;
649struct devlink_info_req;
650
651/**
652 * struct devlink_region_ops - Region operations
653 * @name: region name
654 * @destructor: callback used to free snapshot memory when deleting
655 * @snapshot: callback to request an immediate snapshot. On success,
656 * the data variable must be updated to point to the snapshot data.
657 * The function will be called while the devlink instance lock is
658 * held.
659 * @priv: Pointer to driver private data for the region operation
660 */
661struct devlink_region_ops {
662 const char *name;
663 void (*destructor)(const void *data);
664 int (*snapshot)(struct devlink *devlink,
665 const struct devlink_region_ops *ops,
666 struct netlink_ext_ack *extack,
667 u8 **data);
668 void *priv;
669};
670
671/**
672 * struct devlink_port_region_ops - Region operations for a port
673 * @name: region name
674 * @destructor: callback used to free snapshot memory when deleting
675 * @snapshot: callback to request an immediate snapshot. On success,
676 * the data variable must be updated to point to the snapshot data.
677 * The function will be called while the devlink instance lock is
678 * held.
679 * @priv: Pointer to driver private data for the region operation
680 */
681struct devlink_port_region_ops {
682 const char *name;
683 void (*destructor)(const void *data);
684 int (*snapshot)(struct devlink_port *port,
685 const struct devlink_port_region_ops *ops,
686 struct netlink_ext_ack *extack,
687 u8 **data);
688 void *priv;
689};
690
691struct devlink_fmsg;
692struct devlink_health_reporter;
693
694enum devlink_health_reporter_state {
695 DEVLINK_HEALTH_REPORTER_STATE_HEALTHY,
696 DEVLINK_HEALTH_REPORTER_STATE_ERROR,
697};
698
699/**
700 * struct devlink_health_reporter_ops - Reporter operations
701 * @name: reporter name
702 * @recover: callback to recover from reported error
703 * if priv_ctx is NULL, run a full recover
704 * @dump: callback to dump an object
705 * if priv_ctx is NULL, run a full dump
706 * @diagnose: callback to diagnose the current status
707 * @test: callback to trigger a test event
708 */
709
710struct devlink_health_reporter_ops {
711 char *name;
712 int (*recover)(struct devlink_health_reporter *reporter,
713 void *priv_ctx, struct netlink_ext_ack *extack);
714 int (*dump)(struct devlink_health_reporter *reporter,
715 struct devlink_fmsg *fmsg, void *priv_ctx,
716 struct netlink_ext_ack *extack);
717 int (*diagnose)(struct devlink_health_reporter *reporter,
718 struct devlink_fmsg *fmsg,
719 struct netlink_ext_ack *extack);
720 int (*test)(struct devlink_health_reporter *reporter,
721 struct netlink_ext_ack *extack);
722};
723
724/**
725 * struct devlink_trap_metadata - Packet trap metadata.
726 * @trap_name: Trap name.
727 * @trap_group_name: Trap group name.
728 * @input_dev: Input netdevice.
729 * @fa_cookie: Flow action user cookie.
730 * @trap_type: Trap type.
731 */
732struct devlink_trap_metadata {
733 const char *trap_name;
734 const char *trap_group_name;
735 struct net_device *input_dev;
736 const struct flow_action_cookie *fa_cookie;
737 enum devlink_trap_type trap_type;
738};
739
740/**
741 * struct devlink_trap_policer - Immutable packet trap policer attributes.
742 * @id: Policer identifier.
743 * @init_rate: Initial rate in packets / sec.
744 * @init_burst: Initial burst size in packets.
745 * @max_rate: Maximum rate.
746 * @min_rate: Minimum rate.
747 * @max_burst: Maximum burst size.
748 * @min_burst: Minimum burst size.
749 *
750 * Describes immutable attributes of packet trap policers that drivers register
751 * with devlink.
752 */
753struct devlink_trap_policer {
754 u32 id;
755 u64 init_rate;
756 u64 init_burst;
757 u64 max_rate;
758 u64 min_rate;
759 u64 max_burst;
760 u64 min_burst;
761};
762
763/**
764 * struct devlink_trap_group - Immutable packet trap group attributes.
765 * @name: Trap group name.
766 * @id: Trap group identifier.
767 * @generic: Whether the trap group is generic or not.
768 * @init_policer_id: Initial policer identifier.
769 *
770 * Describes immutable attributes of packet trap groups that drivers register
771 * with devlink.
772 */
773struct devlink_trap_group {
774 const char *name;
775 u16 id;
776 bool generic;
777 u32 init_policer_id;
778};
779
780#define DEVLINK_TRAP_METADATA_TYPE_F_IN_PORT BIT(0)
781#define DEVLINK_TRAP_METADATA_TYPE_F_FA_COOKIE BIT(1)
782
783/**
784 * struct devlink_trap - Immutable packet trap attributes.
785 * @type: Trap type.
786 * @init_action: Initial trap action.
787 * @generic: Whether the trap is generic or not.
788 * @id: Trap identifier.
789 * @name: Trap name.
790 * @init_group_id: Initial group identifier.
791 * @metadata_cap: Metadata types that can be provided by the trap.
792 *
793 * Describes immutable attributes of packet traps that drivers register with
794 * devlink.
795 */
796struct devlink_trap {
797 enum devlink_trap_type type;
798 enum devlink_trap_action init_action;
799 bool generic;
800 u16 id;
801 const char *name;
802 u16 init_group_id;
803 u32 metadata_cap;
804};
805
806/* All traps must be documented in
807 * Documentation/networking/devlink/devlink-trap.rst
808 */
809enum devlink_trap_generic_id {
810 DEVLINK_TRAP_GENERIC_ID_SMAC_MC,
811 DEVLINK_TRAP_GENERIC_ID_VLAN_TAG_MISMATCH,
812 DEVLINK_TRAP_GENERIC_ID_INGRESS_VLAN_FILTER,
813 DEVLINK_TRAP_GENERIC_ID_INGRESS_STP_FILTER,
814 DEVLINK_TRAP_GENERIC_ID_EMPTY_TX_LIST,
815 DEVLINK_TRAP_GENERIC_ID_PORT_LOOPBACK_FILTER,
816 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_ROUTE,
817 DEVLINK_TRAP_GENERIC_ID_TTL_ERROR,
818 DEVLINK_TRAP_GENERIC_ID_TAIL_DROP,
819 DEVLINK_TRAP_GENERIC_ID_NON_IP_PACKET,
820 DEVLINK_TRAP_GENERIC_ID_UC_DIP_MC_DMAC,
821 DEVLINK_TRAP_GENERIC_ID_DIP_LB,
822 DEVLINK_TRAP_GENERIC_ID_SIP_MC,
823 DEVLINK_TRAP_GENERIC_ID_SIP_LB,
824 DEVLINK_TRAP_GENERIC_ID_CORRUPTED_IP_HDR,
825 DEVLINK_TRAP_GENERIC_ID_IPV4_SIP_BC,
826 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_RESERVED_SCOPE,
827 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE,
828 DEVLINK_TRAP_GENERIC_ID_MTU_ERROR,
829 DEVLINK_TRAP_GENERIC_ID_UNRESOLVED_NEIGH,
830 DEVLINK_TRAP_GENERIC_ID_RPF,
831 DEVLINK_TRAP_GENERIC_ID_REJECT_ROUTE,
832 DEVLINK_TRAP_GENERIC_ID_IPV4_LPM_UNICAST_MISS,
833 DEVLINK_TRAP_GENERIC_ID_IPV6_LPM_UNICAST_MISS,
834 DEVLINK_TRAP_GENERIC_ID_NON_ROUTABLE,
835 DEVLINK_TRAP_GENERIC_ID_DECAP_ERROR,
836 DEVLINK_TRAP_GENERIC_ID_OVERLAY_SMAC_MC,
837 DEVLINK_TRAP_GENERIC_ID_INGRESS_FLOW_ACTION_DROP,
838 DEVLINK_TRAP_GENERIC_ID_EGRESS_FLOW_ACTION_DROP,
839 DEVLINK_TRAP_GENERIC_ID_STP,
840 DEVLINK_TRAP_GENERIC_ID_LACP,
841 DEVLINK_TRAP_GENERIC_ID_LLDP,
842 DEVLINK_TRAP_GENERIC_ID_IGMP_QUERY,
843 DEVLINK_TRAP_GENERIC_ID_IGMP_V1_REPORT,
844 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_REPORT,
845 DEVLINK_TRAP_GENERIC_ID_IGMP_V3_REPORT,
846 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_LEAVE,
847 DEVLINK_TRAP_GENERIC_ID_MLD_QUERY,
848 DEVLINK_TRAP_GENERIC_ID_MLD_V1_REPORT,
849 DEVLINK_TRAP_GENERIC_ID_MLD_V2_REPORT,
850 DEVLINK_TRAP_GENERIC_ID_MLD_V1_DONE,
851 DEVLINK_TRAP_GENERIC_ID_IPV4_DHCP,
852 DEVLINK_TRAP_GENERIC_ID_IPV6_DHCP,
853 DEVLINK_TRAP_GENERIC_ID_ARP_REQUEST,
854 DEVLINK_TRAP_GENERIC_ID_ARP_RESPONSE,
855 DEVLINK_TRAP_GENERIC_ID_ARP_OVERLAY,
856 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_SOLICIT,
857 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_ADVERT,
858 DEVLINK_TRAP_GENERIC_ID_IPV4_BFD,
859 DEVLINK_TRAP_GENERIC_ID_IPV6_BFD,
860 DEVLINK_TRAP_GENERIC_ID_IPV4_OSPF,
861 DEVLINK_TRAP_GENERIC_ID_IPV6_OSPF,
862 DEVLINK_TRAP_GENERIC_ID_IPV4_BGP,
863 DEVLINK_TRAP_GENERIC_ID_IPV6_BGP,
864 DEVLINK_TRAP_GENERIC_ID_IPV4_VRRP,
865 DEVLINK_TRAP_GENERIC_ID_IPV6_VRRP,
866 DEVLINK_TRAP_GENERIC_ID_IPV4_PIM,
867 DEVLINK_TRAP_GENERIC_ID_IPV6_PIM,
868 DEVLINK_TRAP_GENERIC_ID_UC_LB,
869 DEVLINK_TRAP_GENERIC_ID_LOCAL_ROUTE,
870 DEVLINK_TRAP_GENERIC_ID_EXTERNAL_ROUTE,
871 DEVLINK_TRAP_GENERIC_ID_IPV6_UC_DIP_LINK_LOCAL_SCOPE,
872 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_NODES,
873 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_ROUTERS,
874 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_SOLICIT,
875 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ADVERT,
876 DEVLINK_TRAP_GENERIC_ID_IPV6_REDIRECT,
877 DEVLINK_TRAP_GENERIC_ID_IPV4_ROUTER_ALERT,
878 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ALERT,
879 DEVLINK_TRAP_GENERIC_ID_PTP_EVENT,
880 DEVLINK_TRAP_GENERIC_ID_PTP_GENERAL,
881 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_SAMPLE,
882 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_TRAP,
883 DEVLINK_TRAP_GENERIC_ID_EARLY_DROP,
884 DEVLINK_TRAP_GENERIC_ID_VXLAN_PARSING,
885 DEVLINK_TRAP_GENERIC_ID_LLC_SNAP_PARSING,
886 DEVLINK_TRAP_GENERIC_ID_VLAN_PARSING,
887 DEVLINK_TRAP_GENERIC_ID_PPPOE_PPP_PARSING,
888 DEVLINK_TRAP_GENERIC_ID_MPLS_PARSING,
889 DEVLINK_TRAP_GENERIC_ID_ARP_PARSING,
890 DEVLINK_TRAP_GENERIC_ID_IP_1_PARSING,
891 DEVLINK_TRAP_GENERIC_ID_IP_N_PARSING,
892 DEVLINK_TRAP_GENERIC_ID_GRE_PARSING,
893 DEVLINK_TRAP_GENERIC_ID_UDP_PARSING,
894 DEVLINK_TRAP_GENERIC_ID_TCP_PARSING,
895 DEVLINK_TRAP_GENERIC_ID_IPSEC_PARSING,
896 DEVLINK_TRAP_GENERIC_ID_SCTP_PARSING,
897 DEVLINK_TRAP_GENERIC_ID_DCCP_PARSING,
898 DEVLINK_TRAP_GENERIC_ID_GTP_PARSING,
899 DEVLINK_TRAP_GENERIC_ID_ESP_PARSING,
900 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_NEXTHOP,
901 DEVLINK_TRAP_GENERIC_ID_DMAC_FILTER,
902
903 /* Add new generic trap IDs above */
904 __DEVLINK_TRAP_GENERIC_ID_MAX,
905 DEVLINK_TRAP_GENERIC_ID_MAX = __DEVLINK_TRAP_GENERIC_ID_MAX - 1,
906};
907
908/* All trap groups must be documented in
909 * Documentation/networking/devlink/devlink-trap.rst
910 */
911enum devlink_trap_group_generic_id {
912 DEVLINK_TRAP_GROUP_GENERIC_ID_L2_DROPS,
913 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_DROPS,
914 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_EXCEPTIONS,
915 DEVLINK_TRAP_GROUP_GENERIC_ID_BUFFER_DROPS,
916 DEVLINK_TRAP_GROUP_GENERIC_ID_TUNNEL_DROPS,
917 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_DROPS,
918 DEVLINK_TRAP_GROUP_GENERIC_ID_STP,
919 DEVLINK_TRAP_GROUP_GENERIC_ID_LACP,
920 DEVLINK_TRAP_GROUP_GENERIC_ID_LLDP,
921 DEVLINK_TRAP_GROUP_GENERIC_ID_MC_SNOOPING,
922 DEVLINK_TRAP_GROUP_GENERIC_ID_DHCP,
923 DEVLINK_TRAP_GROUP_GENERIC_ID_NEIGH_DISCOVERY,
924 DEVLINK_TRAP_GROUP_GENERIC_ID_BFD,
925 DEVLINK_TRAP_GROUP_GENERIC_ID_OSPF,
926 DEVLINK_TRAP_GROUP_GENERIC_ID_BGP,
927 DEVLINK_TRAP_GROUP_GENERIC_ID_VRRP,
928 DEVLINK_TRAP_GROUP_GENERIC_ID_PIM,
929 DEVLINK_TRAP_GROUP_GENERIC_ID_UC_LB,
930 DEVLINK_TRAP_GROUP_GENERIC_ID_LOCAL_DELIVERY,
931 DEVLINK_TRAP_GROUP_GENERIC_ID_EXTERNAL_DELIVERY,
932 DEVLINK_TRAP_GROUP_GENERIC_ID_IPV6,
933 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_EVENT,
934 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_GENERAL,
935 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_SAMPLE,
936 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_TRAP,
937 DEVLINK_TRAP_GROUP_GENERIC_ID_PARSER_ERROR_DROPS,
938
939 /* Add new generic trap group IDs above */
940 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX,
941 DEVLINK_TRAP_GROUP_GENERIC_ID_MAX =
942 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX - 1,
943};
944
945#define DEVLINK_TRAP_GENERIC_NAME_SMAC_MC \
946 "source_mac_is_multicast"
947#define DEVLINK_TRAP_GENERIC_NAME_VLAN_TAG_MISMATCH \
948 "vlan_tag_mismatch"
949#define DEVLINK_TRAP_GENERIC_NAME_INGRESS_VLAN_FILTER \
950 "ingress_vlan_filter"
951#define DEVLINK_TRAP_GENERIC_NAME_INGRESS_STP_FILTER \
952 "ingress_spanning_tree_filter"
953#define DEVLINK_TRAP_GENERIC_NAME_EMPTY_TX_LIST \
954 "port_list_is_empty"
955#define DEVLINK_TRAP_GENERIC_NAME_PORT_LOOPBACK_FILTER \
956 "port_loopback_filter"
957#define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_ROUTE \
958 "blackhole_route"
959#define DEVLINK_TRAP_GENERIC_NAME_TTL_ERROR \
960 "ttl_value_is_too_small"
961#define DEVLINK_TRAP_GENERIC_NAME_TAIL_DROP \
962 "tail_drop"
963#define DEVLINK_TRAP_GENERIC_NAME_NON_IP_PACKET \
964 "non_ip"
965#define DEVLINK_TRAP_GENERIC_NAME_UC_DIP_MC_DMAC \
966 "uc_dip_over_mc_dmac"
967#define DEVLINK_TRAP_GENERIC_NAME_DIP_LB \
968 "dip_is_loopback_address"
969#define DEVLINK_TRAP_GENERIC_NAME_SIP_MC \
970 "sip_is_mc"
971#define DEVLINK_TRAP_GENERIC_NAME_SIP_LB \
972 "sip_is_loopback_address"
973#define DEVLINK_TRAP_GENERIC_NAME_CORRUPTED_IP_HDR \
974 "ip_header_corrupted"
975#define DEVLINK_TRAP_GENERIC_NAME_IPV4_SIP_BC \
976 "ipv4_sip_is_limited_bc"
977#define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_RESERVED_SCOPE \
978 "ipv6_mc_dip_reserved_scope"
979#define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE \
980 "ipv6_mc_dip_interface_local_scope"
981#define DEVLINK_TRAP_GENERIC_NAME_MTU_ERROR \
982 "mtu_value_is_too_small"
983#define DEVLINK_TRAP_GENERIC_NAME_UNRESOLVED_NEIGH \
984 "unresolved_neigh"
985#define DEVLINK_TRAP_GENERIC_NAME_RPF \
986 "mc_reverse_path_forwarding"
987#define DEVLINK_TRAP_GENERIC_NAME_REJECT_ROUTE \
988 "reject_route"
989#define DEVLINK_TRAP_GENERIC_NAME_IPV4_LPM_UNICAST_MISS \
990 "ipv4_lpm_miss"
991#define DEVLINK_TRAP_GENERIC_NAME_IPV6_LPM_UNICAST_MISS \
992 "ipv6_lpm_miss"
993#define DEVLINK_TRAP_GENERIC_NAME_NON_ROUTABLE \
994 "non_routable_packet"
995#define DEVLINK_TRAP_GENERIC_NAME_DECAP_ERROR \
996 "decap_error"
997#define DEVLINK_TRAP_GENERIC_NAME_OVERLAY_SMAC_MC \
998 "overlay_smac_is_mc"
999#define DEVLINK_TRAP_GENERIC_NAME_INGRESS_FLOW_ACTION_DROP \
1000 "ingress_flow_action_drop"
1001#define DEVLINK_TRAP_GENERIC_NAME_EGRESS_FLOW_ACTION_DROP \
1002 "egress_flow_action_drop"
1003#define DEVLINK_TRAP_GENERIC_NAME_STP \
1004 "stp"
1005#define DEVLINK_TRAP_GENERIC_NAME_LACP \
1006 "lacp"
1007#define DEVLINK_TRAP_GENERIC_NAME_LLDP \
1008 "lldp"
1009#define DEVLINK_TRAP_GENERIC_NAME_IGMP_QUERY \
1010 "igmp_query"
1011#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V1_REPORT \
1012 "igmp_v1_report"
1013#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_REPORT \
1014 "igmp_v2_report"
1015#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V3_REPORT \
1016 "igmp_v3_report"
1017#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_LEAVE \
1018 "igmp_v2_leave"
1019#define DEVLINK_TRAP_GENERIC_NAME_MLD_QUERY \
1020 "mld_query"
1021#define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_REPORT \
1022 "mld_v1_report"
1023#define DEVLINK_TRAP_GENERIC_NAME_MLD_V2_REPORT \
1024 "mld_v2_report"
1025#define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_DONE \
1026 "mld_v1_done"
1027#define DEVLINK_TRAP_GENERIC_NAME_IPV4_DHCP \
1028 "ipv4_dhcp"
1029#define DEVLINK_TRAP_GENERIC_NAME_IPV6_DHCP \
1030 "ipv6_dhcp"
1031#define DEVLINK_TRAP_GENERIC_NAME_ARP_REQUEST \
1032 "arp_request"
1033#define DEVLINK_TRAP_GENERIC_NAME_ARP_RESPONSE \
1034 "arp_response"
1035#define DEVLINK_TRAP_GENERIC_NAME_ARP_OVERLAY \
1036 "arp_overlay"
1037#define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_SOLICIT \
1038 "ipv6_neigh_solicit"
1039#define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_ADVERT \
1040 "ipv6_neigh_advert"
1041#define DEVLINK_TRAP_GENERIC_NAME_IPV4_BFD \
1042 "ipv4_bfd"
1043#define DEVLINK_TRAP_GENERIC_NAME_IPV6_BFD \
1044 "ipv6_bfd"
1045#define DEVLINK_TRAP_GENERIC_NAME_IPV4_OSPF \
1046 "ipv4_ospf"
1047#define DEVLINK_TRAP_GENERIC_NAME_IPV6_OSPF \
1048 "ipv6_ospf"
1049#define DEVLINK_TRAP_GENERIC_NAME_IPV4_BGP \
1050 "ipv4_bgp"
1051#define DEVLINK_TRAP_GENERIC_NAME_IPV6_BGP \
1052 "ipv6_bgp"
1053#define DEVLINK_TRAP_GENERIC_NAME_IPV4_VRRP \
1054 "ipv4_vrrp"
1055#define DEVLINK_TRAP_GENERIC_NAME_IPV6_VRRP \
1056 "ipv6_vrrp"
1057#define DEVLINK_TRAP_GENERIC_NAME_IPV4_PIM \
1058 "ipv4_pim"
1059#define DEVLINK_TRAP_GENERIC_NAME_IPV6_PIM \
1060 "ipv6_pim"
1061#define DEVLINK_TRAP_GENERIC_NAME_UC_LB \
1062 "uc_loopback"
1063#define DEVLINK_TRAP_GENERIC_NAME_LOCAL_ROUTE \
1064 "local_route"
1065#define DEVLINK_TRAP_GENERIC_NAME_EXTERNAL_ROUTE \
1066 "external_route"
1067#define DEVLINK_TRAP_GENERIC_NAME_IPV6_UC_DIP_LINK_LOCAL_SCOPE \
1068 "ipv6_uc_dip_link_local_scope"
1069#define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_NODES \
1070 "ipv6_dip_all_nodes"
1071#define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_ROUTERS \
1072 "ipv6_dip_all_routers"
1073#define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_SOLICIT \
1074 "ipv6_router_solicit"
1075#define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ADVERT \
1076 "ipv6_router_advert"
1077#define DEVLINK_TRAP_GENERIC_NAME_IPV6_REDIRECT \
1078 "ipv6_redirect"
1079#define DEVLINK_TRAP_GENERIC_NAME_IPV4_ROUTER_ALERT \
1080 "ipv4_router_alert"
1081#define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ALERT \
1082 "ipv6_router_alert"
1083#define DEVLINK_TRAP_GENERIC_NAME_PTP_EVENT \
1084 "ptp_event"
1085#define DEVLINK_TRAP_GENERIC_NAME_PTP_GENERAL \
1086 "ptp_general"
1087#define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_SAMPLE \
1088 "flow_action_sample"
1089#define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_TRAP \
1090 "flow_action_trap"
1091#define DEVLINK_TRAP_GENERIC_NAME_EARLY_DROP \
1092 "early_drop"
1093#define DEVLINK_TRAP_GENERIC_NAME_VXLAN_PARSING \
1094 "vxlan_parsing"
1095#define DEVLINK_TRAP_GENERIC_NAME_LLC_SNAP_PARSING \
1096 "llc_snap_parsing"
1097#define DEVLINK_TRAP_GENERIC_NAME_VLAN_PARSING \
1098 "vlan_parsing"
1099#define DEVLINK_TRAP_GENERIC_NAME_PPPOE_PPP_PARSING \
1100 "pppoe_ppp_parsing"
1101#define DEVLINK_TRAP_GENERIC_NAME_MPLS_PARSING \
1102 "mpls_parsing"
1103#define DEVLINK_TRAP_GENERIC_NAME_ARP_PARSING \
1104 "arp_parsing"
1105#define DEVLINK_TRAP_GENERIC_NAME_IP_1_PARSING \
1106 "ip_1_parsing"
1107#define DEVLINK_TRAP_GENERIC_NAME_IP_N_PARSING \
1108 "ip_n_parsing"
1109#define DEVLINK_TRAP_GENERIC_NAME_GRE_PARSING \
1110 "gre_parsing"
1111#define DEVLINK_TRAP_GENERIC_NAME_UDP_PARSING \
1112 "udp_parsing"
1113#define DEVLINK_TRAP_GENERIC_NAME_TCP_PARSING \
1114 "tcp_parsing"
1115#define DEVLINK_TRAP_GENERIC_NAME_IPSEC_PARSING \
1116 "ipsec_parsing"
1117#define DEVLINK_TRAP_GENERIC_NAME_SCTP_PARSING \
1118 "sctp_parsing"
1119#define DEVLINK_TRAP_GENERIC_NAME_DCCP_PARSING \
1120 "dccp_parsing"
1121#define DEVLINK_TRAP_GENERIC_NAME_GTP_PARSING \
1122 "gtp_parsing"
1123#define DEVLINK_TRAP_GENERIC_NAME_ESP_PARSING \
1124 "esp_parsing"
1125#define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_NEXTHOP \
1126 "blackhole_nexthop"
1127#define DEVLINK_TRAP_GENERIC_NAME_DMAC_FILTER \
1128 "dmac_filter"
1129
1130#define DEVLINK_TRAP_GROUP_GENERIC_NAME_L2_DROPS \
1131 "l2_drops"
1132#define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_DROPS \
1133 "l3_drops"
1134#define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_EXCEPTIONS \
1135 "l3_exceptions"
1136#define DEVLINK_TRAP_GROUP_GENERIC_NAME_BUFFER_DROPS \
1137 "buffer_drops"
1138#define DEVLINK_TRAP_GROUP_GENERIC_NAME_TUNNEL_DROPS \
1139 "tunnel_drops"
1140#define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_DROPS \
1141 "acl_drops"
1142#define DEVLINK_TRAP_GROUP_GENERIC_NAME_STP \
1143 "stp"
1144#define DEVLINK_TRAP_GROUP_GENERIC_NAME_LACP \
1145 "lacp"
1146#define DEVLINK_TRAP_GROUP_GENERIC_NAME_LLDP \
1147 "lldp"
1148#define DEVLINK_TRAP_GROUP_GENERIC_NAME_MC_SNOOPING \
1149 "mc_snooping"
1150#define DEVLINK_TRAP_GROUP_GENERIC_NAME_DHCP \
1151 "dhcp"
1152#define DEVLINK_TRAP_GROUP_GENERIC_NAME_NEIGH_DISCOVERY \
1153 "neigh_discovery"
1154#define DEVLINK_TRAP_GROUP_GENERIC_NAME_BFD \
1155 "bfd"
1156#define DEVLINK_TRAP_GROUP_GENERIC_NAME_OSPF \
1157 "ospf"
1158#define DEVLINK_TRAP_GROUP_GENERIC_NAME_BGP \
1159 "bgp"
1160#define DEVLINK_TRAP_GROUP_GENERIC_NAME_VRRP \
1161 "vrrp"
1162#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PIM \
1163 "pim"
1164#define DEVLINK_TRAP_GROUP_GENERIC_NAME_UC_LB \
1165 "uc_loopback"
1166#define DEVLINK_TRAP_GROUP_GENERIC_NAME_LOCAL_DELIVERY \
1167 "local_delivery"
1168#define DEVLINK_TRAP_GROUP_GENERIC_NAME_EXTERNAL_DELIVERY \
1169 "external_delivery"
1170#define DEVLINK_TRAP_GROUP_GENERIC_NAME_IPV6 \
1171 "ipv6"
1172#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_EVENT \
1173 "ptp_event"
1174#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_GENERAL \
1175 "ptp_general"
1176#define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_SAMPLE \
1177 "acl_sample"
1178#define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_TRAP \
1179 "acl_trap"
1180#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PARSER_ERROR_DROPS \
1181 "parser_error_drops"
1182
1183#define DEVLINK_TRAP_GENERIC(_type, _init_action, _id, _group_id, \
1184 _metadata_cap) \
1185 { \
1186 .type = DEVLINK_TRAP_TYPE_##_type, \
1187 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \
1188 .generic = true, \
1189 .id = DEVLINK_TRAP_GENERIC_ID_##_id, \
1190 .name = DEVLINK_TRAP_GENERIC_NAME_##_id, \
1191 .init_group_id = _group_id, \
1192 .metadata_cap = _metadata_cap, \
1193 }
1194
1195#define DEVLINK_TRAP_DRIVER(_type, _init_action, _id, _name, _group_id, \
1196 _metadata_cap) \
1197 { \
1198 .type = DEVLINK_TRAP_TYPE_##_type, \
1199 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \
1200 .generic = false, \
1201 .id = _id, \
1202 .name = _name, \
1203 .init_group_id = _group_id, \
1204 .metadata_cap = _metadata_cap, \
1205 }
1206
1207#define DEVLINK_TRAP_GROUP_GENERIC(_id, _policer_id) \
1208 { \
1209 .name = DEVLINK_TRAP_GROUP_GENERIC_NAME_##_id, \
1210 .id = DEVLINK_TRAP_GROUP_GENERIC_ID_##_id, \
1211 .generic = true, \
1212 .init_policer_id = _policer_id, \
1213 }
1214
1215#define DEVLINK_TRAP_POLICER(_id, _rate, _burst, _max_rate, _min_rate, \
1216 _max_burst, _min_burst) \
1217 { \
1218 .id = _id, \
1219 .init_rate = _rate, \
1220 .init_burst = _burst, \
1221 .max_rate = _max_rate, \
1222 .min_rate = _min_rate, \
1223 .max_burst = _max_burst, \
1224 .min_burst = _min_burst, \
1225 }
1226
1227struct devlink_ops {
1228 /**
1229 * @supported_flash_update_params:
1230 * mask of parameters supported by the driver's .flash_update
1231 * implemementation.
1232 */
1233 u32 supported_flash_update_params;
1234 unsigned long reload_actions;
1235 unsigned long reload_limits;
1236 int (*reload_down)(struct devlink *devlink, bool netns_change,
1237 enum devlink_reload_action action,
1238 enum devlink_reload_limit limit,
1239 struct netlink_ext_ack *extack);
1240 int (*reload_up)(struct devlink *devlink, enum devlink_reload_action action,
1241 enum devlink_reload_limit limit, u32 *actions_performed,
1242 struct netlink_ext_ack *extack);
1243 int (*port_type_set)(struct devlink_port *devlink_port,
1244 enum devlink_port_type port_type);
1245 int (*port_split)(struct devlink *devlink, unsigned int port_index,
1246 unsigned int count, struct netlink_ext_ack *extack);
1247 int (*port_unsplit)(struct devlink *devlink, unsigned int port_index,
1248 struct netlink_ext_ack *extack);
1249 int (*sb_pool_get)(struct devlink *devlink, unsigned int sb_index,
1250 u16 pool_index,
1251 struct devlink_sb_pool_info *pool_info);
1252 int (*sb_pool_set)(struct devlink *devlink, unsigned int sb_index,
1253 u16 pool_index, u32 size,
1254 enum devlink_sb_threshold_type threshold_type,
1255 struct netlink_ext_ack *extack);
1256 int (*sb_port_pool_get)(struct devlink_port *devlink_port,
1257 unsigned int sb_index, u16 pool_index,
1258 u32 *p_threshold);
1259 int (*sb_port_pool_set)(struct devlink_port *devlink_port,
1260 unsigned int sb_index, u16 pool_index,
1261 u32 threshold, struct netlink_ext_ack *extack);
1262 int (*sb_tc_pool_bind_get)(struct devlink_port *devlink_port,
1263 unsigned int sb_index,
1264 u16 tc_index,
1265 enum devlink_sb_pool_type pool_type,
1266 u16 *p_pool_index, u32 *p_threshold);
1267 int (*sb_tc_pool_bind_set)(struct devlink_port *devlink_port,
1268 unsigned int sb_index,
1269 u16 tc_index,
1270 enum devlink_sb_pool_type pool_type,
1271 u16 pool_index, u32 threshold,
1272 struct netlink_ext_ack *extack);
1273 int (*sb_occ_snapshot)(struct devlink *devlink,
1274 unsigned int sb_index);
1275 int (*sb_occ_max_clear)(struct devlink *devlink,
1276 unsigned int sb_index);
1277 int (*sb_occ_port_pool_get)(struct devlink_port *devlink_port,
1278 unsigned int sb_index, u16 pool_index,
1279 u32 *p_cur, u32 *p_max);
1280 int (*sb_occ_tc_port_bind_get)(struct devlink_port *devlink_port,
1281 unsigned int sb_index,
1282 u16 tc_index,
1283 enum devlink_sb_pool_type pool_type,
1284 u32 *p_cur, u32 *p_max);
1285
1286 int (*eswitch_mode_get)(struct devlink *devlink, u16 *p_mode);
1287 int (*eswitch_mode_set)(struct devlink *devlink, u16 mode,
1288 struct netlink_ext_ack *extack);
1289 int (*eswitch_inline_mode_get)(struct devlink *devlink, u8 *p_inline_mode);
1290 int (*eswitch_inline_mode_set)(struct devlink *devlink, u8 inline_mode,
1291 struct netlink_ext_ack *extack);
1292 int (*eswitch_encap_mode_get)(struct devlink *devlink,
1293 enum devlink_eswitch_encap_mode *p_encap_mode);
1294 int (*eswitch_encap_mode_set)(struct devlink *devlink,
1295 enum devlink_eswitch_encap_mode encap_mode,
1296 struct netlink_ext_ack *extack);
1297 int (*info_get)(struct devlink *devlink, struct devlink_info_req *req,
1298 struct netlink_ext_ack *extack);
1299 /**
1300 * @flash_update: Device flash update function
1301 *
1302 * Used to perform a flash update for the device. The set of
1303 * parameters supported by the driver should be set in
1304 * supported_flash_update_params.
1305 */
1306 int (*flash_update)(struct devlink *devlink,
1307 struct devlink_flash_update_params *params,
1308 struct netlink_ext_ack *extack);
1309 /**
1310 * @trap_init: Trap initialization function.
1311 *
1312 * Should be used by device drivers to initialize the trap in the
1313 * underlying device. Drivers should also store the provided trap
1314 * context, so that they could efficiently pass it to
1315 * devlink_trap_report() when the trap is triggered.
1316 */
1317 int (*trap_init)(struct devlink *devlink,
1318 const struct devlink_trap *trap, void *trap_ctx);
1319 /**
1320 * @trap_fini: Trap de-initialization function.
1321 *
1322 * Should be used by device drivers to de-initialize the trap in the
1323 * underlying device.
1324 */
1325 void (*trap_fini)(struct devlink *devlink,
1326 const struct devlink_trap *trap, void *trap_ctx);
1327 /**
1328 * @trap_action_set: Trap action set function.
1329 */
1330 int (*trap_action_set)(struct devlink *devlink,
1331 const struct devlink_trap *trap,
1332 enum devlink_trap_action action,
1333 struct netlink_ext_ack *extack);
1334 /**
1335 * @trap_group_init: Trap group initialization function.
1336 *
1337 * Should be used by device drivers to initialize the trap group in the
1338 * underlying device.
1339 */
1340 int (*trap_group_init)(struct devlink *devlink,
1341 const struct devlink_trap_group *group);
1342 /**
1343 * @trap_group_set: Trap group parameters set function.
1344 *
1345 * Note: @policer can be NULL when a policer is being unbound from
1346 * @group.
1347 */
1348 int (*trap_group_set)(struct devlink *devlink,
1349 const struct devlink_trap_group *group,
1350 const struct devlink_trap_policer *policer,
1351 struct netlink_ext_ack *extack);
1352 /**
1353 * @trap_group_action_set: Trap group action set function.
1354 *
1355 * If this callback is populated, it will take precedence over looping
1356 * over all traps in a group and calling .trap_action_set().
1357 */
1358 int (*trap_group_action_set)(struct devlink *devlink,
1359 const struct devlink_trap_group *group,
1360 enum devlink_trap_action action,
1361 struct netlink_ext_ack *extack);
1362 /**
1363 * @trap_drop_counter_get: Trap drop counter get function.
1364 *
1365 * Should be used by device drivers to report number of packets
1366 * that have been dropped, and cannot be passed to the devlink
1367 * subsystem by the underlying device.
1368 */
1369 int (*trap_drop_counter_get)(struct devlink *devlink,
1370 const struct devlink_trap *trap,
1371 u64 *p_drops);
1372 /**
1373 * @trap_policer_init: Trap policer initialization function.
1374 *
1375 * Should be used by device drivers to initialize the trap policer in
1376 * the underlying device.
1377 */
1378 int (*trap_policer_init)(struct devlink *devlink,
1379 const struct devlink_trap_policer *policer);
1380 /**
1381 * @trap_policer_fini: Trap policer de-initialization function.
1382 *
1383 * Should be used by device drivers to de-initialize the trap policer
1384 * in the underlying device.
1385 */
1386 void (*trap_policer_fini)(struct devlink *devlink,
1387 const struct devlink_trap_policer *policer);
1388 /**
1389 * @trap_policer_set: Trap policer parameters set function.
1390 */
1391 int (*trap_policer_set)(struct devlink *devlink,
1392 const struct devlink_trap_policer *policer,
1393 u64 rate, u64 burst,
1394 struct netlink_ext_ack *extack);
1395 /**
1396 * @trap_policer_counter_get: Trap policer counter get function.
1397 *
1398 * Should be used by device drivers to report number of packets dropped
1399 * by the policer.
1400 */
1401 int (*trap_policer_counter_get)(struct devlink *devlink,
1402 const struct devlink_trap_policer *policer,
1403 u64 *p_drops);
1404 /**
1405 * @port_function_hw_addr_get: Port function's hardware address get function.
1406 *
1407 * Should be used by device drivers to report the hardware address of a function managed
1408 * by the devlink port. Driver should return -EOPNOTSUPP if it doesn't support port
1409 * function handling for a particular port.
1410 *
1411 * Note: @extack can be NULL when port notifier queries the port function.
1412 */
1413 int (*port_function_hw_addr_get)(struct devlink_port *port, u8 *hw_addr,
1414 int *hw_addr_len,
1415 struct netlink_ext_ack *extack);
1416 /**
1417 * @port_function_hw_addr_set: Port function's hardware address set function.
1418 *
1419 * Should be used by device drivers to set the hardware address of a function managed
1420 * by the devlink port. Driver should return -EOPNOTSUPP if it doesn't support port
1421 * function handling for a particular port.
1422 */
1423 int (*port_function_hw_addr_set)(struct devlink_port *port,
1424 const u8 *hw_addr, int hw_addr_len,
1425 struct netlink_ext_ack *extack);
1426 /**
1427 * port_new() - Add a new port function of a specified flavor
1428 * @devlink: Devlink instance
1429 * @attrs: attributes of the new port
1430 * @extack: extack for reporting error messages
1431 * @new_port_index: index of the new port
1432 *
1433 * Devlink core will call this device driver function upon user request
1434 * to create a new port function of a specified flavor and optional
1435 * attributes
1436 *
1437 * Notes:
1438 * - Called without devlink instance lock being held. Drivers must
1439 * implement own means of synchronization
1440 * - On success, drivers must register a port with devlink core
1441 *
1442 * Return: 0 on success, negative value otherwise.
1443 */
1444 int (*port_new)(struct devlink *devlink,
1445 const struct devlink_port_new_attrs *attrs,
1446 struct netlink_ext_ack *extack,
1447 unsigned int *new_port_index);
1448 /**
1449 * port_del() - Delete a port function
1450 * @devlink: Devlink instance
1451 * @port_index: port function index to delete
1452 * @extack: extack for reporting error messages
1453 *
1454 * Devlink core will call this device driver function upon user request
1455 * to delete a previously created port function
1456 *
1457 * Notes:
1458 * - Called without devlink instance lock being held. Drivers must
1459 * implement own means of synchronization
1460 * - On success, drivers must unregister the corresponding devlink
1461 * port
1462 *
1463 * Return: 0 on success, negative value otherwise.
1464 */
1465 int (*port_del)(struct devlink *devlink, unsigned int port_index,
1466 struct netlink_ext_ack *extack);
1467 /**
1468 * port_fn_state_get() - Get the state of a port function
1469 * @devlink: Devlink instance
1470 * @port: The devlink port
1471 * @state: Admin configured state
1472 * @opstate: Current operational state
1473 * @extack: extack for reporting error messages
1474 *
1475 * Reports the admin and operational state of a devlink port function
1476 *
1477 * Return: 0 on success, negative value otherwise.
1478 */
1479 int (*port_fn_state_get)(struct devlink_port *port,
1480 enum devlink_port_fn_state *state,
1481 enum devlink_port_fn_opstate *opstate,
1482 struct netlink_ext_ack *extack);
1483 /**
1484 * port_fn_state_set() - Set the admin state of a port function
1485 * @devlink: Devlink instance
1486 * @port: The devlink port
1487 * @state: Admin state
1488 * @extack: extack for reporting error messages
1489 *
1490 * Set the admin state of a devlink port function
1491 *
1492 * Return: 0 on success, negative value otherwise.
1493 */
1494 int (*port_fn_state_set)(struct devlink_port *port,
1495 enum devlink_port_fn_state state,
1496 struct netlink_ext_ack *extack);
1497
1498 /**
1499 * Rate control callbacks.
1500 */
1501 int (*rate_leaf_tx_share_set)(struct devlink_rate *devlink_rate, void *priv,
1502 u64 tx_share, struct netlink_ext_ack *extack);
1503 int (*rate_leaf_tx_max_set)(struct devlink_rate *devlink_rate, void *priv,
1504 u64 tx_max, struct netlink_ext_ack *extack);
1505 int (*rate_node_tx_share_set)(struct devlink_rate *devlink_rate, void *priv,
1506 u64 tx_share, struct netlink_ext_ack *extack);
1507 int (*rate_node_tx_max_set)(struct devlink_rate *devlink_rate, void *priv,
1508 u64 tx_max, struct netlink_ext_ack *extack);
1509 int (*rate_node_new)(struct devlink_rate *rate_node, void **priv,
1510 struct netlink_ext_ack *extack);
1511 int (*rate_node_del)(struct devlink_rate *rate_node, void *priv,
1512 struct netlink_ext_ack *extack);
1513 int (*rate_leaf_parent_set)(struct devlink_rate *child,
1514 struct devlink_rate *parent,
1515 void *priv_child, void *priv_parent,
1516 struct netlink_ext_ack *extack);
1517 int (*rate_node_parent_set)(struct devlink_rate *child,
1518 struct devlink_rate *parent,
1519 void *priv_child, void *priv_parent,
1520 struct netlink_ext_ack *extack);
1521};
1522
1523static inline void *devlink_priv(struct devlink *devlink)
1524{
1525 BUG_ON(!devlink);
1526 return &devlink->priv;
1527}
1528
1529static inline struct devlink *priv_to_devlink(void *priv)
1530{
1531 BUG_ON(!priv);
1532 return container_of(priv, struct devlink, priv);
1533}
1534
1535static inline struct devlink_port *
1536netdev_to_devlink_port(struct net_device *dev)
1537{
1538 if (dev->netdev_ops->ndo_get_devlink_port)
1539 return dev->netdev_ops->ndo_get_devlink_port(dev);
1540 return NULL;
1541}
1542
1543static inline struct devlink *netdev_to_devlink(struct net_device *dev)
1544{
1545 struct devlink_port *devlink_port = netdev_to_devlink_port(dev);
1546
1547 if (devlink_port)
1548 return devlink_port->devlink;
1549 return NULL;
1550}
1551
1552struct ib_device;
1553
1554struct net *devlink_net(const struct devlink *devlink);
1555/* This call is intended for software devices that can create
1556 * devlink instances in other namespaces than init_net.
1557 *
1558 * Drivers that operate on real HW must use devlink_alloc() instead.
1559 */
1560struct devlink *devlink_alloc_ns(const struct devlink_ops *ops,
1561 size_t priv_size, struct net *net,
1562 struct device *dev);
1563static inline struct devlink *devlink_alloc(const struct devlink_ops *ops,
1564 size_t priv_size,
1565 struct device *dev)
1566{
1567 return devlink_alloc_ns(ops, priv_size, &init_net, dev);
1568}
1569int devlink_register(struct devlink *devlink);
1570void devlink_unregister(struct devlink *devlink);
1571void devlink_reload_enable(struct devlink *devlink);
1572void devlink_reload_disable(struct devlink *devlink);
1573void devlink_free(struct devlink *devlink);
1574int devlink_port_register(struct devlink *devlink,
1575 struct devlink_port *devlink_port,
1576 unsigned int port_index);
1577void devlink_port_unregister(struct devlink_port *devlink_port);
1578void devlink_port_type_eth_set(struct devlink_port *devlink_port,
1579 struct net_device *netdev);
1580void devlink_port_type_ib_set(struct devlink_port *devlink_port,
1581 struct ib_device *ibdev);
1582void devlink_port_type_clear(struct devlink_port *devlink_port);
1583void devlink_port_attrs_set(struct devlink_port *devlink_port,
1584 struct devlink_port_attrs *devlink_port_attrs);
1585void devlink_port_attrs_pci_pf_set(struct devlink_port *devlink_port, u32 controller,
1586 u16 pf, bool external);
1587void devlink_port_attrs_pci_vf_set(struct devlink_port *devlink_port, u32 controller,
1588 u16 pf, u16 vf, bool external);
1589void devlink_port_attrs_pci_sf_set(struct devlink_port *devlink_port,
1590 u32 controller, u16 pf, u32 sf,
1591 bool external);
1592int devlink_rate_leaf_create(struct devlink_port *port, void *priv);
1593void devlink_rate_leaf_destroy(struct devlink_port *devlink_port);
1594void devlink_rate_nodes_destroy(struct devlink *devlink);
1595int devlink_sb_register(struct devlink *devlink, unsigned int sb_index,
1596 u32 size, u16 ingress_pools_count,
1597 u16 egress_pools_count, u16 ingress_tc_count,
1598 u16 egress_tc_count);
1599void devlink_sb_unregister(struct devlink *devlink, unsigned int sb_index);
1600int devlink_dpipe_table_register(struct devlink *devlink,
1601 const char *table_name,
1602 struct devlink_dpipe_table_ops *table_ops,
1603 void *priv, bool counter_control_extern);
1604void devlink_dpipe_table_unregister(struct devlink *devlink,
1605 const char *table_name);
1606int devlink_dpipe_headers_register(struct devlink *devlink,
1607 struct devlink_dpipe_headers *dpipe_headers);
1608void devlink_dpipe_headers_unregister(struct devlink *devlink);
1609bool devlink_dpipe_table_counter_enabled(struct devlink *devlink,
1610 const char *table_name);
1611int devlink_dpipe_entry_ctx_prepare(struct devlink_dpipe_dump_ctx *dump_ctx);
1612int devlink_dpipe_entry_ctx_append(struct devlink_dpipe_dump_ctx *dump_ctx,
1613 struct devlink_dpipe_entry *entry);
1614int devlink_dpipe_entry_ctx_close(struct devlink_dpipe_dump_ctx *dump_ctx);
1615void devlink_dpipe_entry_clear(struct devlink_dpipe_entry *entry);
1616int devlink_dpipe_action_put(struct sk_buff *skb,
1617 struct devlink_dpipe_action *action);
1618int devlink_dpipe_match_put(struct sk_buff *skb,
1619 struct devlink_dpipe_match *match);
1620extern struct devlink_dpipe_header devlink_dpipe_header_ethernet;
1621extern struct devlink_dpipe_header devlink_dpipe_header_ipv4;
1622extern struct devlink_dpipe_header devlink_dpipe_header_ipv6;
1623
1624int devlink_resource_register(struct devlink *devlink,
1625 const char *resource_name,
1626 u64 resource_size,
1627 u64 resource_id,
1628 u64 parent_resource_id,
1629 const struct devlink_resource_size_params *size_params);
1630void devlink_resources_unregister(struct devlink *devlink,
1631 struct devlink_resource *resource);
1632int devlink_resource_size_get(struct devlink *devlink,
1633 u64 resource_id,
1634 u64 *p_resource_size);
1635int devlink_dpipe_table_resource_set(struct devlink *devlink,
1636 const char *table_name, u64 resource_id,
1637 u64 resource_units);
1638void devlink_resource_occ_get_register(struct devlink *devlink,
1639 u64 resource_id,
1640 devlink_resource_occ_get_t *occ_get,
1641 void *occ_get_priv);
1642void devlink_resource_occ_get_unregister(struct devlink *devlink,
1643 u64 resource_id);
1644int devlink_params_register(struct devlink *devlink,
1645 const struct devlink_param *params,
1646 size_t params_count);
1647void devlink_params_unregister(struct devlink *devlink,
1648 const struct devlink_param *params,
1649 size_t params_count);
1650int devlink_param_register(struct devlink *devlink,
1651 const struct devlink_param *param);
1652void devlink_param_unregister(struct devlink *devlink,
1653 const struct devlink_param *param);
1654void devlink_params_publish(struct devlink *devlink);
1655void devlink_params_unpublish(struct devlink *devlink);
1656void devlink_param_publish(struct devlink *devlink,
1657 const struct devlink_param *param);
1658void devlink_param_unpublish(struct devlink *devlink,
1659 const struct devlink_param *param);
1660int devlink_port_params_register(struct devlink_port *devlink_port,
1661 const struct devlink_param *params,
1662 size_t params_count);
1663void devlink_port_params_unregister(struct devlink_port *devlink_port,
1664 const struct devlink_param *params,
1665 size_t params_count);
1666int devlink_param_driverinit_value_get(struct devlink *devlink, u32 param_id,
1667 union devlink_param_value *init_val);
1668int devlink_param_driverinit_value_set(struct devlink *devlink, u32 param_id,
1669 union devlink_param_value init_val);
1670int
1671devlink_port_param_driverinit_value_get(struct devlink_port *devlink_port,
1672 u32 param_id,
1673 union devlink_param_value *init_val);
1674int devlink_port_param_driverinit_value_set(struct devlink_port *devlink_port,
1675 u32 param_id,
1676 union devlink_param_value init_val);
1677void devlink_param_value_changed(struct devlink *devlink, u32 param_id);
1678void devlink_port_param_value_changed(struct devlink_port *devlink_port,
1679 u32 param_id);
1680void devlink_param_value_str_fill(union devlink_param_value *dst_val,
1681 const char *src);
1682struct devlink_region *
1683devlink_region_create(struct devlink *devlink,
1684 const struct devlink_region_ops *ops,
1685 u32 region_max_snapshots, u64 region_size);
1686struct devlink_region *
1687devlink_port_region_create(struct devlink_port *port,
1688 const struct devlink_port_region_ops *ops,
1689 u32 region_max_snapshots, u64 region_size);
1690void devlink_region_destroy(struct devlink_region *region);
1691void devlink_port_region_destroy(struct devlink_region *region);
1692
1693int devlink_region_snapshot_id_get(struct devlink *devlink, u32 *id);
1694void devlink_region_snapshot_id_put(struct devlink *devlink, u32 id);
1695int devlink_region_snapshot_create(struct devlink_region *region,
1696 u8 *data, u32 snapshot_id);
1697int devlink_info_serial_number_put(struct devlink_info_req *req,
1698 const char *sn);
1699int devlink_info_driver_name_put(struct devlink_info_req *req,
1700 const char *name);
1701int devlink_info_board_serial_number_put(struct devlink_info_req *req,
1702 const char *bsn);
1703int devlink_info_version_fixed_put(struct devlink_info_req *req,
1704 const char *version_name,
1705 const char *version_value);
1706int devlink_info_version_stored_put(struct devlink_info_req *req,
1707 const char *version_name,
1708 const char *version_value);
1709int devlink_info_version_running_put(struct devlink_info_req *req,
1710 const char *version_name,
1711 const char *version_value);
1712
1713int devlink_fmsg_obj_nest_start(struct devlink_fmsg *fmsg);
1714int devlink_fmsg_obj_nest_end(struct devlink_fmsg *fmsg);
1715
1716int devlink_fmsg_pair_nest_start(struct devlink_fmsg *fmsg, const char *name);
1717int devlink_fmsg_pair_nest_end(struct devlink_fmsg *fmsg);
1718
1719int devlink_fmsg_arr_pair_nest_start(struct devlink_fmsg *fmsg,
1720 const char *name);
1721int devlink_fmsg_arr_pair_nest_end(struct devlink_fmsg *fmsg);
1722int devlink_fmsg_binary_pair_nest_start(struct devlink_fmsg *fmsg,
1723 const char *name);
1724int devlink_fmsg_binary_pair_nest_end(struct devlink_fmsg *fmsg);
1725
1726int devlink_fmsg_bool_put(struct devlink_fmsg *fmsg, bool value);
1727int devlink_fmsg_u8_put(struct devlink_fmsg *fmsg, u8 value);
1728int devlink_fmsg_u32_put(struct devlink_fmsg *fmsg, u32 value);
1729int devlink_fmsg_u64_put(struct devlink_fmsg *fmsg, u64 value);
1730int devlink_fmsg_string_put(struct devlink_fmsg *fmsg, const char *value);
1731int devlink_fmsg_binary_put(struct devlink_fmsg *fmsg, const void *value,
1732 u16 value_len);
1733
1734int devlink_fmsg_bool_pair_put(struct devlink_fmsg *fmsg, const char *name,
1735 bool value);
1736int devlink_fmsg_u8_pair_put(struct devlink_fmsg *fmsg, const char *name,
1737 u8 value);
1738int devlink_fmsg_u32_pair_put(struct devlink_fmsg *fmsg, const char *name,
1739 u32 value);
1740int devlink_fmsg_u64_pair_put(struct devlink_fmsg *fmsg, const char *name,
1741 u64 value);
1742int devlink_fmsg_string_pair_put(struct devlink_fmsg *fmsg, const char *name,
1743 const char *value);
1744int devlink_fmsg_binary_pair_put(struct devlink_fmsg *fmsg, const char *name,
1745 const void *value, u32 value_len);
1746
1747struct devlink_health_reporter *
1748devlink_health_reporter_create(struct devlink *devlink,
1749 const struct devlink_health_reporter_ops *ops,
1750 u64 graceful_period, void *priv);
1751
1752struct devlink_health_reporter *
1753devlink_port_health_reporter_create(struct devlink_port *port,
1754 const struct devlink_health_reporter_ops *ops,
1755 u64 graceful_period, void *priv);
1756
1757void
1758devlink_health_reporter_destroy(struct devlink_health_reporter *reporter);
1759
1760void
1761devlink_port_health_reporter_destroy(struct devlink_health_reporter *reporter);
1762
1763void *
1764devlink_health_reporter_priv(struct devlink_health_reporter *reporter);
1765int devlink_health_report(struct devlink_health_reporter *reporter,
1766 const char *msg, void *priv_ctx);
1767void
1768devlink_health_reporter_state_update(struct devlink_health_reporter *reporter,
1769 enum devlink_health_reporter_state state);
1770void
1771devlink_health_reporter_recovery_done(struct devlink_health_reporter *reporter);
1772
1773bool devlink_is_reload_failed(const struct devlink *devlink);
1774void devlink_remote_reload_actions_performed(struct devlink *devlink,
1775 enum devlink_reload_limit limit,
1776 u32 actions_performed);
1777
1778void devlink_flash_update_status_notify(struct devlink *devlink,
1779 const char *status_msg,
1780 const char *component,
1781 unsigned long done,
1782 unsigned long total);
1783void devlink_flash_update_timeout_notify(struct devlink *devlink,
1784 const char *status_msg,
1785 const char *component,
1786 unsigned long timeout);
1787
1788int devlink_traps_register(struct devlink *devlink,
1789 const struct devlink_trap *traps,
1790 size_t traps_count, void *priv);
1791void devlink_traps_unregister(struct devlink *devlink,
1792 const struct devlink_trap *traps,
1793 size_t traps_count);
1794void devlink_trap_report(struct devlink *devlink, struct sk_buff *skb,
1795 void *trap_ctx, struct devlink_port *in_devlink_port,
1796 const struct flow_action_cookie *fa_cookie);
1797void *devlink_trap_ctx_priv(void *trap_ctx);
1798int devlink_trap_groups_register(struct devlink *devlink,
1799 const struct devlink_trap_group *groups,
1800 size_t groups_count);
1801void devlink_trap_groups_unregister(struct devlink *devlink,
1802 const struct devlink_trap_group *groups,
1803 size_t groups_count);
1804int
1805devlink_trap_policers_register(struct devlink *devlink,
1806 const struct devlink_trap_policer *policers,
1807 size_t policers_count);
1808void
1809devlink_trap_policers_unregister(struct devlink *devlink,
1810 const struct devlink_trap_policer *policers,
1811 size_t policers_count);
1812
1813#if IS_ENABLED(CONFIG_NET_DEVLINK)
1814
1815void devlink_compat_running_version(struct net_device *dev,
1816 char *buf, size_t len);
1817int devlink_compat_flash_update(struct net_device *dev, const char *file_name);
1818int devlink_compat_phys_port_name_get(struct net_device *dev,
1819 char *name, size_t len);
1820int devlink_compat_switch_id_get(struct net_device *dev,
1821 struct netdev_phys_item_id *ppid);
1822
1823#else
1824
1825static inline void
1826devlink_compat_running_version(struct net_device *dev, char *buf, size_t len)
1827{
1828}
1829
1830static inline int
1831devlink_compat_flash_update(struct net_device *dev, const char *file_name)
1832{
1833 return -EOPNOTSUPP;
1834}
1835
1836static inline int
1837devlink_compat_phys_port_name_get(struct net_device *dev,
1838 char *name, size_t len)
1839{
1840 return -EOPNOTSUPP;
1841}
1842
1843static inline int
1844devlink_compat_switch_id_get(struct net_device *dev,
1845 struct netdev_phys_item_id *ppid)
1846{
1847 return -EOPNOTSUPP;
1848}
1849
1850#endif
1851
1852#endif /* _NET_DEVLINK_H_ */