Loading...
Note: File does not exist in v3.1.
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
24struct devlink;
25struct devlink_linecard;
26
27struct devlink_port_phys_attrs {
28 u32 port_number; /* Same value as "split group".
29 * A physical port which is visible to the user
30 * for a given port flavour.
31 */
32 u32 split_subport_number; /* If the port is split, this is the number of subport. */
33};
34
35/**
36 * struct devlink_port_pci_pf_attrs - devlink port's PCI PF attributes
37 * @controller: Associated controller number
38 * @pf: Associated PCI PF number for this port.
39 * @external: when set, indicates if a port is for an external controller
40 */
41struct devlink_port_pci_pf_attrs {
42 u32 controller;
43 u16 pf;
44 u8 external:1;
45};
46
47/**
48 * struct devlink_port_pci_vf_attrs - devlink port's PCI VF attributes
49 * @controller: Associated controller number
50 * @pf: Associated PCI PF number for this port.
51 * @vf: Associated PCI VF for of the PCI PF for this port.
52 * @external: when set, indicates if a port is for an external controller
53 */
54struct devlink_port_pci_vf_attrs {
55 u32 controller;
56 u16 pf;
57 u16 vf;
58 u8 external:1;
59};
60
61/**
62 * struct devlink_port_pci_sf_attrs - devlink port's PCI SF attributes
63 * @controller: Associated controller number
64 * @sf: Associated PCI SF for of the PCI PF for this port.
65 * @pf: Associated PCI PF number for this port.
66 * @external: when set, indicates if a port is for an external controller
67 */
68struct devlink_port_pci_sf_attrs {
69 u32 controller;
70 u32 sf;
71 u16 pf;
72 u8 external:1;
73};
74
75/**
76 * struct devlink_port_attrs - devlink port object
77 * @flavour: flavour of the port
78 * @split: indicates if this is split port
79 * @splittable: indicates if the port can be split.
80 * @lanes: maximum number of lanes the port supports. 0 value is not passed to netlink.
81 * @switch_id: if the port is part of switch, this is buffer with ID, otherwise this is NULL
82 * @phys: physical port attributes
83 * @pci_pf: PCI PF port attributes
84 * @pci_vf: PCI VF port attributes
85 * @pci_sf: PCI SF port attributes
86 */
87struct devlink_port_attrs {
88 u8 split:1,
89 splittable:1;
90 u32 lanes;
91 enum devlink_port_flavour flavour;
92 struct netdev_phys_item_id switch_id;
93 union {
94 struct devlink_port_phys_attrs phys;
95 struct devlink_port_pci_pf_attrs pci_pf;
96 struct devlink_port_pci_vf_attrs pci_vf;
97 struct devlink_port_pci_sf_attrs pci_sf;
98 };
99};
100
101struct devlink_rate {
102 struct list_head list;
103 enum devlink_rate_type type;
104 struct devlink *devlink;
105 void *priv;
106 u64 tx_share;
107 u64 tx_max;
108
109 struct devlink_rate *parent;
110 union {
111 struct devlink_port *devlink_port;
112 struct {
113 char *name;
114 refcount_t refcnt;
115 };
116 };
117
118 u32 tx_priority;
119 u32 tx_weight;
120};
121
122struct devlink_port {
123 struct list_head list;
124 struct list_head region_list;
125 struct devlink *devlink;
126 unsigned int index;
127 spinlock_t type_lock; /* Protects type and type_eth/ib
128 * structures consistency.
129 */
130 enum devlink_port_type type;
131 enum devlink_port_type desired_type;
132 union {
133 struct {
134 struct net_device *netdev;
135 int ifindex;
136 char ifname[IFNAMSIZ];
137 } type_eth;
138 struct {
139 struct ib_device *ibdev;
140 } type_ib;
141 };
142 struct devlink_port_attrs attrs;
143 u8 attrs_set:1,
144 switch_port:1,
145 registered:1,
146 initialized:1;
147 struct delayed_work type_warn_dw;
148 struct list_head reporter_list;
149 struct mutex reporters_lock; /* Protects reporter_list */
150
151 struct devlink_rate *devlink_rate;
152 struct devlink_linecard *linecard;
153};
154
155struct devlink_port_new_attrs {
156 enum devlink_port_flavour flavour;
157 unsigned int port_index;
158 u32 controller;
159 u32 sfnum;
160 u16 pfnum;
161 u8 port_index_valid:1,
162 controller_valid:1,
163 sfnum_valid:1;
164};
165
166/**
167 * struct devlink_linecard_ops - Linecard operations
168 * @provision: callback to provision the linecard slot with certain
169 * type of linecard. As a result of this operation,
170 * driver is expected to eventually (could be after
171 * the function call returns) call one of:
172 * devlink_linecard_provision_set()
173 * devlink_linecard_provision_fail()
174 * @unprovision: callback to unprovision the linecard slot. As a result
175 * of this operation, driver is expected to eventually
176 * (could be after the function call returns) call
177 * devlink_linecard_provision_clear()
178 * devlink_linecard_provision_fail()
179 * @same_provision: callback to ask the driver if linecard is already
180 * provisioned in the same way user asks this linecard to be
181 * provisioned.
182 * @types_count: callback to get number of supported types
183 * @types_get: callback to get next type in list
184 */
185struct devlink_linecard_ops {
186 int (*provision)(struct devlink_linecard *linecard, void *priv,
187 const char *type, const void *type_priv,
188 struct netlink_ext_ack *extack);
189 int (*unprovision)(struct devlink_linecard *linecard, void *priv,
190 struct netlink_ext_ack *extack);
191 bool (*same_provision)(struct devlink_linecard *linecard, void *priv,
192 const char *type, const void *type_priv);
193 unsigned int (*types_count)(struct devlink_linecard *linecard,
194 void *priv);
195 void (*types_get)(struct devlink_linecard *linecard,
196 void *priv, unsigned int index, const char **type,
197 const void **type_priv);
198};
199
200struct devlink_sb_pool_info {
201 enum devlink_sb_pool_type pool_type;
202 u32 size;
203 enum devlink_sb_threshold_type threshold_type;
204 u32 cell_size;
205};
206
207/**
208 * struct devlink_dpipe_field - dpipe field object
209 * @name: field name
210 * @id: index inside the headers field array
211 * @bitwidth: bitwidth
212 * @mapping_type: mapping type
213 */
214struct devlink_dpipe_field {
215 const char *name;
216 unsigned int id;
217 unsigned int bitwidth;
218 enum devlink_dpipe_field_mapping_type mapping_type;
219};
220
221/**
222 * struct devlink_dpipe_header - dpipe header object
223 * @name: header name
224 * @id: index, global/local detrmined by global bit
225 * @fields: fields
226 * @fields_count: number of fields
227 * @global: indicates if header is shared like most protocol header
228 * or driver specific
229 */
230struct devlink_dpipe_header {
231 const char *name;
232 unsigned int id;
233 struct devlink_dpipe_field *fields;
234 unsigned int fields_count;
235 bool global;
236};
237
238/**
239 * struct devlink_dpipe_match - represents match operation
240 * @type: type of match
241 * @header_index: header index (packets can have several headers of same
242 * type like in case of tunnels)
243 * @header: header
244 * @fieled_id: field index
245 */
246struct devlink_dpipe_match {
247 enum devlink_dpipe_match_type type;
248 unsigned int header_index;
249 struct devlink_dpipe_header *header;
250 unsigned int field_id;
251};
252
253/**
254 * struct devlink_dpipe_action - represents action operation
255 * @type: type of action
256 * @header_index: header index (packets can have several headers of same
257 * type like in case of tunnels)
258 * @header: header
259 * @fieled_id: field index
260 */
261struct devlink_dpipe_action {
262 enum devlink_dpipe_action_type type;
263 unsigned int header_index;
264 struct devlink_dpipe_header *header;
265 unsigned int field_id;
266};
267
268/**
269 * struct devlink_dpipe_value - represents value of match/action
270 * @action: action
271 * @match: match
272 * @mapping_value: in case the field has some mapping this value
273 * specified the mapping value
274 * @mapping_valid: specify if mapping value is valid
275 * @value_size: value size
276 * @value: value
277 * @mask: bit mask
278 */
279struct devlink_dpipe_value {
280 union {
281 struct devlink_dpipe_action *action;
282 struct devlink_dpipe_match *match;
283 };
284 unsigned int mapping_value;
285 bool mapping_valid;
286 unsigned int value_size;
287 void *value;
288 void *mask;
289};
290
291/**
292 * struct devlink_dpipe_entry - table entry object
293 * @index: index of the entry in the table
294 * @match_values: match values
295 * @matche_values_count: count of matches tuples
296 * @action_values: actions values
297 * @action_values_count: count of actions values
298 * @counter: value of counter
299 * @counter_valid: Specify if value is valid from hardware
300 */
301struct devlink_dpipe_entry {
302 u64 index;
303 struct devlink_dpipe_value *match_values;
304 unsigned int match_values_count;
305 struct devlink_dpipe_value *action_values;
306 unsigned int action_values_count;
307 u64 counter;
308 bool counter_valid;
309};
310
311/**
312 * struct devlink_dpipe_dump_ctx - context provided to driver in order
313 * to dump
314 * @info: info
315 * @cmd: devlink command
316 * @skb: skb
317 * @nest: top attribute
318 * @hdr: hdr
319 */
320struct devlink_dpipe_dump_ctx {
321 struct genl_info *info;
322 enum devlink_command cmd;
323 struct sk_buff *skb;
324 struct nlattr *nest;
325 void *hdr;
326};
327
328struct devlink_dpipe_table_ops;
329
330/**
331 * struct devlink_dpipe_table - table object
332 * @priv: private
333 * @name: table name
334 * @counters_enabled: indicates if counters are active
335 * @counter_control_extern: indicates if counter control is in dpipe or
336 * external tool
337 * @resource_valid: Indicate that the resource id is valid
338 * @resource_id: relative resource this table is related to
339 * @resource_units: number of resource's unit consumed per table's entry
340 * @table_ops: table operations
341 * @rcu: rcu
342 */
343struct devlink_dpipe_table {
344 void *priv;
345 struct list_head list;
346 const char *name;
347 bool counters_enabled;
348 bool counter_control_extern;
349 bool resource_valid;
350 u64 resource_id;
351 u64 resource_units;
352 struct devlink_dpipe_table_ops *table_ops;
353 struct rcu_head rcu;
354};
355
356/**
357 * struct devlink_dpipe_table_ops - dpipe_table ops
358 * @actions_dump - dumps all tables actions
359 * @matches_dump - dumps all tables matches
360 * @entries_dump - dumps all active entries in the table
361 * @counters_set_update - when changing the counter status hardware sync
362 * maybe needed to allocate/free counter related
363 * resources
364 * @size_get - get size
365 */
366struct devlink_dpipe_table_ops {
367 int (*actions_dump)(void *priv, struct sk_buff *skb);
368 int (*matches_dump)(void *priv, struct sk_buff *skb);
369 int (*entries_dump)(void *priv, bool counters_enabled,
370 struct devlink_dpipe_dump_ctx *dump_ctx);
371 int (*counters_set_update)(void *priv, bool enable);
372 u64 (*size_get)(void *priv);
373};
374
375/**
376 * struct devlink_dpipe_headers - dpipe headers
377 * @headers - header array can be shared (global bit) or driver specific
378 * @headers_count - count of headers
379 */
380struct devlink_dpipe_headers {
381 struct devlink_dpipe_header **headers;
382 unsigned int headers_count;
383};
384
385/**
386 * struct devlink_resource_size_params - resource's size parameters
387 * @size_min: minimum size which can be set
388 * @size_max: maximum size which can be set
389 * @size_granularity: size granularity
390 * @size_unit: resource's basic unit
391 */
392struct devlink_resource_size_params {
393 u64 size_min;
394 u64 size_max;
395 u64 size_granularity;
396 enum devlink_resource_unit unit;
397};
398
399static inline void
400devlink_resource_size_params_init(struct devlink_resource_size_params *size_params,
401 u64 size_min, u64 size_max,
402 u64 size_granularity,
403 enum devlink_resource_unit unit)
404{
405 size_params->size_min = size_min;
406 size_params->size_max = size_max;
407 size_params->size_granularity = size_granularity;
408 size_params->unit = unit;
409}
410
411typedef u64 devlink_resource_occ_get_t(void *priv);
412
413#define DEVLINK_RESOURCE_ID_PARENT_TOP 0
414
415#define DEVLINK_RESOURCE_GENERIC_NAME_PORTS "physical_ports"
416
417#define __DEVLINK_PARAM_MAX_STRING_VALUE 32
418enum devlink_param_type {
419 DEVLINK_PARAM_TYPE_U8,
420 DEVLINK_PARAM_TYPE_U16,
421 DEVLINK_PARAM_TYPE_U32,
422 DEVLINK_PARAM_TYPE_STRING,
423 DEVLINK_PARAM_TYPE_BOOL,
424};
425
426union devlink_param_value {
427 u8 vu8;
428 u16 vu16;
429 u32 vu32;
430 char vstr[__DEVLINK_PARAM_MAX_STRING_VALUE];
431 bool vbool;
432};
433
434struct devlink_param_gset_ctx {
435 union devlink_param_value val;
436 enum devlink_param_cmode cmode;
437};
438
439/**
440 * struct devlink_flash_notify - devlink dev flash notify data
441 * @status_msg: current status string
442 * @component: firmware component being updated
443 * @done: amount of work completed of total amount
444 * @total: amount of work expected to be done
445 * @timeout: expected max timeout in seconds
446 *
447 * These are values to be given to userland to be displayed in order
448 * to show current activity in a firmware update process.
449 */
450struct devlink_flash_notify {
451 const char *status_msg;
452 const char *component;
453 unsigned long done;
454 unsigned long total;
455 unsigned long timeout;
456};
457
458/**
459 * struct devlink_param - devlink configuration parameter data
460 * @name: name of the parameter
461 * @generic: indicates if the parameter is generic or driver specific
462 * @type: parameter type
463 * @supported_cmodes: bitmap of supported configuration modes
464 * @get: get parameter value, used for runtime and permanent
465 * configuration modes
466 * @set: set parameter value, used for runtime and permanent
467 * configuration modes
468 * @validate: validate input value is applicable (within value range, etc.)
469 *
470 * This struct should be used by the driver to fill the data for
471 * a parameter it registers.
472 */
473struct devlink_param {
474 u32 id;
475 const char *name;
476 bool generic;
477 enum devlink_param_type type;
478 unsigned long supported_cmodes;
479 int (*get)(struct devlink *devlink, u32 id,
480 struct devlink_param_gset_ctx *ctx);
481 int (*set)(struct devlink *devlink, u32 id,
482 struct devlink_param_gset_ctx *ctx);
483 int (*validate)(struct devlink *devlink, u32 id,
484 union devlink_param_value val,
485 struct netlink_ext_ack *extack);
486};
487
488struct devlink_param_item {
489 struct list_head list;
490 const struct devlink_param *param;
491 union devlink_param_value driverinit_value;
492 bool driverinit_value_valid;
493};
494
495enum devlink_param_generic_id {
496 DEVLINK_PARAM_GENERIC_ID_INT_ERR_RESET,
497 DEVLINK_PARAM_GENERIC_ID_MAX_MACS,
498 DEVLINK_PARAM_GENERIC_ID_ENABLE_SRIOV,
499 DEVLINK_PARAM_GENERIC_ID_REGION_SNAPSHOT,
500 DEVLINK_PARAM_GENERIC_ID_IGNORE_ARI,
501 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX,
502 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN,
503 DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY,
504 DEVLINK_PARAM_GENERIC_ID_RESET_DEV_ON_DRV_PROBE,
505 DEVLINK_PARAM_GENERIC_ID_ENABLE_ROCE,
506 DEVLINK_PARAM_GENERIC_ID_ENABLE_REMOTE_DEV_RESET,
507 DEVLINK_PARAM_GENERIC_ID_ENABLE_ETH,
508 DEVLINK_PARAM_GENERIC_ID_ENABLE_RDMA,
509 DEVLINK_PARAM_GENERIC_ID_ENABLE_VNET,
510 DEVLINK_PARAM_GENERIC_ID_ENABLE_IWARP,
511 DEVLINK_PARAM_GENERIC_ID_IO_EQ_SIZE,
512 DEVLINK_PARAM_GENERIC_ID_EVENT_EQ_SIZE,
513
514 /* add new param generic ids above here*/
515 __DEVLINK_PARAM_GENERIC_ID_MAX,
516 DEVLINK_PARAM_GENERIC_ID_MAX = __DEVLINK_PARAM_GENERIC_ID_MAX - 1,
517};
518
519#define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_NAME "internal_error_reset"
520#define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL
521
522#define DEVLINK_PARAM_GENERIC_MAX_MACS_NAME "max_macs"
523#define DEVLINK_PARAM_GENERIC_MAX_MACS_TYPE DEVLINK_PARAM_TYPE_U32
524
525#define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_NAME "enable_sriov"
526#define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_TYPE DEVLINK_PARAM_TYPE_BOOL
527
528#define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_NAME "region_snapshot_enable"
529#define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_TYPE DEVLINK_PARAM_TYPE_BOOL
530
531#define DEVLINK_PARAM_GENERIC_IGNORE_ARI_NAME "ignore_ari"
532#define DEVLINK_PARAM_GENERIC_IGNORE_ARI_TYPE DEVLINK_PARAM_TYPE_BOOL
533
534#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_NAME "msix_vec_per_pf_max"
535#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_TYPE DEVLINK_PARAM_TYPE_U32
536
537#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_NAME "msix_vec_per_pf_min"
538#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_TYPE DEVLINK_PARAM_TYPE_U32
539
540#define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_NAME "fw_load_policy"
541#define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_TYPE DEVLINK_PARAM_TYPE_U8
542
543#define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_NAME \
544 "reset_dev_on_drv_probe"
545#define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_TYPE DEVLINK_PARAM_TYPE_U8
546
547#define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_NAME "enable_roce"
548#define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_TYPE DEVLINK_PARAM_TYPE_BOOL
549
550#define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_NAME "enable_remote_dev_reset"
551#define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL
552
553#define DEVLINK_PARAM_GENERIC_ENABLE_ETH_NAME "enable_eth"
554#define DEVLINK_PARAM_GENERIC_ENABLE_ETH_TYPE DEVLINK_PARAM_TYPE_BOOL
555
556#define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_NAME "enable_rdma"
557#define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_TYPE DEVLINK_PARAM_TYPE_BOOL
558
559#define DEVLINK_PARAM_GENERIC_ENABLE_VNET_NAME "enable_vnet"
560#define DEVLINK_PARAM_GENERIC_ENABLE_VNET_TYPE DEVLINK_PARAM_TYPE_BOOL
561
562#define DEVLINK_PARAM_GENERIC_ENABLE_IWARP_NAME "enable_iwarp"
563#define DEVLINK_PARAM_GENERIC_ENABLE_IWARP_TYPE DEVLINK_PARAM_TYPE_BOOL
564
565#define DEVLINK_PARAM_GENERIC_IO_EQ_SIZE_NAME "io_eq_size"
566#define DEVLINK_PARAM_GENERIC_IO_EQ_SIZE_TYPE DEVLINK_PARAM_TYPE_U32
567
568#define DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_NAME "event_eq_size"
569#define DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_TYPE DEVLINK_PARAM_TYPE_U32
570
571#define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate) \
572{ \
573 .id = DEVLINK_PARAM_GENERIC_ID_##_id, \
574 .name = DEVLINK_PARAM_GENERIC_##_id##_NAME, \
575 .type = DEVLINK_PARAM_GENERIC_##_id##_TYPE, \
576 .generic = true, \
577 .supported_cmodes = _cmodes, \
578 .get = _get, \
579 .set = _set, \
580 .validate = _validate, \
581}
582
583#define DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, _get, _set, _validate) \
584{ \
585 .id = _id, \
586 .name = _name, \
587 .type = _type, \
588 .supported_cmodes = _cmodes, \
589 .get = _get, \
590 .set = _set, \
591 .validate = _validate, \
592}
593
594/* Part number, identifier of board design */
595#define DEVLINK_INFO_VERSION_GENERIC_BOARD_ID "board.id"
596/* Revision of board design */
597#define DEVLINK_INFO_VERSION_GENERIC_BOARD_REV "board.rev"
598/* Maker of the board */
599#define DEVLINK_INFO_VERSION_GENERIC_BOARD_MANUFACTURE "board.manufacture"
600
601/* Part number, identifier of asic design */
602#define DEVLINK_INFO_VERSION_GENERIC_ASIC_ID "asic.id"
603/* Revision of asic design */
604#define DEVLINK_INFO_VERSION_GENERIC_ASIC_REV "asic.rev"
605
606/* Overall FW version */
607#define DEVLINK_INFO_VERSION_GENERIC_FW "fw"
608/* Control processor FW version */
609#define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT "fw.mgmt"
610/* FW interface specification version */
611#define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT_API "fw.mgmt.api"
612/* Data path microcode controlling high-speed packet processing */
613#define DEVLINK_INFO_VERSION_GENERIC_FW_APP "fw.app"
614/* UNDI software version */
615#define DEVLINK_INFO_VERSION_GENERIC_FW_UNDI "fw.undi"
616/* NCSI support/handler version */
617#define DEVLINK_INFO_VERSION_GENERIC_FW_NCSI "fw.ncsi"
618/* FW parameter set id */
619#define DEVLINK_INFO_VERSION_GENERIC_FW_PSID "fw.psid"
620/* RoCE FW version */
621#define DEVLINK_INFO_VERSION_GENERIC_FW_ROCE "fw.roce"
622/* Firmware bundle identifier */
623#define DEVLINK_INFO_VERSION_GENERIC_FW_BUNDLE_ID "fw.bundle_id"
624/* Bootloader */
625#define DEVLINK_INFO_VERSION_GENERIC_FW_BOOTLOADER "fw.bootloader"
626
627/**
628 * struct devlink_flash_update_params - Flash Update parameters
629 * @fw: pointer to the firmware data to update from
630 * @component: the flash component to update
631 *
632 * With the exception of fw, drivers must opt-in to parameters by
633 * setting the appropriate bit in the supported_flash_update_params field in
634 * their devlink_ops structure.
635 */
636struct devlink_flash_update_params {
637 const struct firmware *fw;
638 const char *component;
639 u32 overwrite_mask;
640};
641
642#define DEVLINK_SUPPORT_FLASH_UPDATE_OVERWRITE_MASK BIT(0)
643
644struct devlink_region;
645struct devlink_info_req;
646
647/**
648 * struct devlink_region_ops - Region operations
649 * @name: region name
650 * @destructor: callback used to free snapshot memory when deleting
651 * @snapshot: callback to request an immediate snapshot. On success,
652 * the data variable must be updated to point to the snapshot data.
653 * The function will be called while the devlink instance lock is
654 * held.
655 * @read: callback to directly read a portion of the region. On success,
656 * the data pointer will be updated with the contents of the
657 * requested portion of the region. The function will be called
658 * while the devlink instance lock is 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 int (*read)(struct devlink *devlink,
669 const struct devlink_region_ops *ops,
670 struct netlink_ext_ack *extack,
671 u64 offset, u32 size, u8 *data);
672 void *priv;
673};
674
675/**
676 * struct devlink_port_region_ops - Region operations for a port
677 * @name: region name
678 * @destructor: callback used to free snapshot memory when deleting
679 * @snapshot: callback to request an immediate snapshot. On success,
680 * the data variable must be updated to point to the snapshot data.
681 * The function will be called while the devlink instance lock is
682 * held.
683 * @read: callback to directly read a portion of the region. On success,
684 * the data pointer will be updated with the contents of the
685 * requested portion of the region. The function will be called
686 * while the devlink instance lock is held.
687 * @priv: Pointer to driver private data for the region operation
688 */
689struct devlink_port_region_ops {
690 const char *name;
691 void (*destructor)(const void *data);
692 int (*snapshot)(struct devlink_port *port,
693 const struct devlink_port_region_ops *ops,
694 struct netlink_ext_ack *extack,
695 u8 **data);
696 int (*read)(struct devlink_port *port,
697 const struct devlink_port_region_ops *ops,
698 struct netlink_ext_ack *extack,
699 u64 offset, u32 size, u8 *data);
700 void *priv;
701};
702
703struct devlink_fmsg;
704struct devlink_health_reporter;
705
706enum devlink_health_reporter_state {
707 DEVLINK_HEALTH_REPORTER_STATE_HEALTHY,
708 DEVLINK_HEALTH_REPORTER_STATE_ERROR,
709};
710
711/**
712 * struct devlink_health_reporter_ops - Reporter operations
713 * @name: reporter name
714 * @recover: callback to recover from reported error
715 * if priv_ctx is NULL, run a full recover
716 * @dump: callback to dump an object
717 * if priv_ctx is NULL, run a full dump
718 * @diagnose: callback to diagnose the current status
719 * @test: callback to trigger a test event
720 */
721
722struct devlink_health_reporter_ops {
723 char *name;
724 int (*recover)(struct devlink_health_reporter *reporter,
725 void *priv_ctx, struct netlink_ext_ack *extack);
726 int (*dump)(struct devlink_health_reporter *reporter,
727 struct devlink_fmsg *fmsg, void *priv_ctx,
728 struct netlink_ext_ack *extack);
729 int (*diagnose)(struct devlink_health_reporter *reporter,
730 struct devlink_fmsg *fmsg,
731 struct netlink_ext_ack *extack);
732 int (*test)(struct devlink_health_reporter *reporter,
733 struct netlink_ext_ack *extack);
734};
735
736/**
737 * struct devlink_trap_metadata - Packet trap metadata.
738 * @trap_name: Trap name.
739 * @trap_group_name: Trap group name.
740 * @input_dev: Input netdevice.
741 * @dev_tracker: refcount tracker for @input_dev.
742 * @fa_cookie: Flow action user cookie.
743 * @trap_type: Trap type.
744 */
745struct devlink_trap_metadata {
746 const char *trap_name;
747 const char *trap_group_name;
748
749 struct net_device *input_dev;
750 netdevice_tracker dev_tracker;
751
752 const struct flow_action_cookie *fa_cookie;
753 enum devlink_trap_type trap_type;
754};
755
756/**
757 * struct devlink_trap_policer - Immutable packet trap policer attributes.
758 * @id: Policer identifier.
759 * @init_rate: Initial rate in packets / sec.
760 * @init_burst: Initial burst size in packets.
761 * @max_rate: Maximum rate.
762 * @min_rate: Minimum rate.
763 * @max_burst: Maximum burst size.
764 * @min_burst: Minimum burst size.
765 *
766 * Describes immutable attributes of packet trap policers that drivers register
767 * with devlink.
768 */
769struct devlink_trap_policer {
770 u32 id;
771 u64 init_rate;
772 u64 init_burst;
773 u64 max_rate;
774 u64 min_rate;
775 u64 max_burst;
776 u64 min_burst;
777};
778
779/**
780 * struct devlink_trap_group - Immutable packet trap group attributes.
781 * @name: Trap group name.
782 * @id: Trap group identifier.
783 * @generic: Whether the trap group is generic or not.
784 * @init_policer_id: Initial policer identifier.
785 *
786 * Describes immutable attributes of packet trap groups that drivers register
787 * with devlink.
788 */
789struct devlink_trap_group {
790 const char *name;
791 u16 id;
792 bool generic;
793 u32 init_policer_id;
794};
795
796#define DEVLINK_TRAP_METADATA_TYPE_F_IN_PORT BIT(0)
797#define DEVLINK_TRAP_METADATA_TYPE_F_FA_COOKIE BIT(1)
798
799/**
800 * struct devlink_trap - Immutable packet trap attributes.
801 * @type: Trap type.
802 * @init_action: Initial trap action.
803 * @generic: Whether the trap is generic or not.
804 * @id: Trap identifier.
805 * @name: Trap name.
806 * @init_group_id: Initial group identifier.
807 * @metadata_cap: Metadata types that can be provided by the trap.
808 *
809 * Describes immutable attributes of packet traps that drivers register with
810 * devlink.
811 */
812struct devlink_trap {
813 enum devlink_trap_type type;
814 enum devlink_trap_action init_action;
815 bool generic;
816 u16 id;
817 const char *name;
818 u16 init_group_id;
819 u32 metadata_cap;
820};
821
822/* All traps must be documented in
823 * Documentation/networking/devlink/devlink-trap.rst
824 */
825enum devlink_trap_generic_id {
826 DEVLINK_TRAP_GENERIC_ID_SMAC_MC,
827 DEVLINK_TRAP_GENERIC_ID_VLAN_TAG_MISMATCH,
828 DEVLINK_TRAP_GENERIC_ID_INGRESS_VLAN_FILTER,
829 DEVLINK_TRAP_GENERIC_ID_INGRESS_STP_FILTER,
830 DEVLINK_TRAP_GENERIC_ID_EMPTY_TX_LIST,
831 DEVLINK_TRAP_GENERIC_ID_PORT_LOOPBACK_FILTER,
832 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_ROUTE,
833 DEVLINK_TRAP_GENERIC_ID_TTL_ERROR,
834 DEVLINK_TRAP_GENERIC_ID_TAIL_DROP,
835 DEVLINK_TRAP_GENERIC_ID_NON_IP_PACKET,
836 DEVLINK_TRAP_GENERIC_ID_UC_DIP_MC_DMAC,
837 DEVLINK_TRAP_GENERIC_ID_DIP_LB,
838 DEVLINK_TRAP_GENERIC_ID_SIP_MC,
839 DEVLINK_TRAP_GENERIC_ID_SIP_LB,
840 DEVLINK_TRAP_GENERIC_ID_CORRUPTED_IP_HDR,
841 DEVLINK_TRAP_GENERIC_ID_IPV4_SIP_BC,
842 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_RESERVED_SCOPE,
843 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE,
844 DEVLINK_TRAP_GENERIC_ID_MTU_ERROR,
845 DEVLINK_TRAP_GENERIC_ID_UNRESOLVED_NEIGH,
846 DEVLINK_TRAP_GENERIC_ID_RPF,
847 DEVLINK_TRAP_GENERIC_ID_REJECT_ROUTE,
848 DEVLINK_TRAP_GENERIC_ID_IPV4_LPM_UNICAST_MISS,
849 DEVLINK_TRAP_GENERIC_ID_IPV6_LPM_UNICAST_MISS,
850 DEVLINK_TRAP_GENERIC_ID_NON_ROUTABLE,
851 DEVLINK_TRAP_GENERIC_ID_DECAP_ERROR,
852 DEVLINK_TRAP_GENERIC_ID_OVERLAY_SMAC_MC,
853 DEVLINK_TRAP_GENERIC_ID_INGRESS_FLOW_ACTION_DROP,
854 DEVLINK_TRAP_GENERIC_ID_EGRESS_FLOW_ACTION_DROP,
855 DEVLINK_TRAP_GENERIC_ID_STP,
856 DEVLINK_TRAP_GENERIC_ID_LACP,
857 DEVLINK_TRAP_GENERIC_ID_LLDP,
858 DEVLINK_TRAP_GENERIC_ID_IGMP_QUERY,
859 DEVLINK_TRAP_GENERIC_ID_IGMP_V1_REPORT,
860 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_REPORT,
861 DEVLINK_TRAP_GENERIC_ID_IGMP_V3_REPORT,
862 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_LEAVE,
863 DEVLINK_TRAP_GENERIC_ID_MLD_QUERY,
864 DEVLINK_TRAP_GENERIC_ID_MLD_V1_REPORT,
865 DEVLINK_TRAP_GENERIC_ID_MLD_V2_REPORT,
866 DEVLINK_TRAP_GENERIC_ID_MLD_V1_DONE,
867 DEVLINK_TRAP_GENERIC_ID_IPV4_DHCP,
868 DEVLINK_TRAP_GENERIC_ID_IPV6_DHCP,
869 DEVLINK_TRAP_GENERIC_ID_ARP_REQUEST,
870 DEVLINK_TRAP_GENERIC_ID_ARP_RESPONSE,
871 DEVLINK_TRAP_GENERIC_ID_ARP_OVERLAY,
872 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_SOLICIT,
873 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_ADVERT,
874 DEVLINK_TRAP_GENERIC_ID_IPV4_BFD,
875 DEVLINK_TRAP_GENERIC_ID_IPV6_BFD,
876 DEVLINK_TRAP_GENERIC_ID_IPV4_OSPF,
877 DEVLINK_TRAP_GENERIC_ID_IPV6_OSPF,
878 DEVLINK_TRAP_GENERIC_ID_IPV4_BGP,
879 DEVLINK_TRAP_GENERIC_ID_IPV6_BGP,
880 DEVLINK_TRAP_GENERIC_ID_IPV4_VRRP,
881 DEVLINK_TRAP_GENERIC_ID_IPV6_VRRP,
882 DEVLINK_TRAP_GENERIC_ID_IPV4_PIM,
883 DEVLINK_TRAP_GENERIC_ID_IPV6_PIM,
884 DEVLINK_TRAP_GENERIC_ID_UC_LB,
885 DEVLINK_TRAP_GENERIC_ID_LOCAL_ROUTE,
886 DEVLINK_TRAP_GENERIC_ID_EXTERNAL_ROUTE,
887 DEVLINK_TRAP_GENERIC_ID_IPV6_UC_DIP_LINK_LOCAL_SCOPE,
888 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_NODES,
889 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_ROUTERS,
890 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_SOLICIT,
891 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ADVERT,
892 DEVLINK_TRAP_GENERIC_ID_IPV6_REDIRECT,
893 DEVLINK_TRAP_GENERIC_ID_IPV4_ROUTER_ALERT,
894 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ALERT,
895 DEVLINK_TRAP_GENERIC_ID_PTP_EVENT,
896 DEVLINK_TRAP_GENERIC_ID_PTP_GENERAL,
897 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_SAMPLE,
898 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_TRAP,
899 DEVLINK_TRAP_GENERIC_ID_EARLY_DROP,
900 DEVLINK_TRAP_GENERIC_ID_VXLAN_PARSING,
901 DEVLINK_TRAP_GENERIC_ID_LLC_SNAP_PARSING,
902 DEVLINK_TRAP_GENERIC_ID_VLAN_PARSING,
903 DEVLINK_TRAP_GENERIC_ID_PPPOE_PPP_PARSING,
904 DEVLINK_TRAP_GENERIC_ID_MPLS_PARSING,
905 DEVLINK_TRAP_GENERIC_ID_ARP_PARSING,
906 DEVLINK_TRAP_GENERIC_ID_IP_1_PARSING,
907 DEVLINK_TRAP_GENERIC_ID_IP_N_PARSING,
908 DEVLINK_TRAP_GENERIC_ID_GRE_PARSING,
909 DEVLINK_TRAP_GENERIC_ID_UDP_PARSING,
910 DEVLINK_TRAP_GENERIC_ID_TCP_PARSING,
911 DEVLINK_TRAP_GENERIC_ID_IPSEC_PARSING,
912 DEVLINK_TRAP_GENERIC_ID_SCTP_PARSING,
913 DEVLINK_TRAP_GENERIC_ID_DCCP_PARSING,
914 DEVLINK_TRAP_GENERIC_ID_GTP_PARSING,
915 DEVLINK_TRAP_GENERIC_ID_ESP_PARSING,
916 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_NEXTHOP,
917 DEVLINK_TRAP_GENERIC_ID_DMAC_FILTER,
918 DEVLINK_TRAP_GENERIC_ID_EAPOL,
919 DEVLINK_TRAP_GENERIC_ID_LOCKED_PORT,
920
921 /* Add new generic trap IDs above */
922 __DEVLINK_TRAP_GENERIC_ID_MAX,
923 DEVLINK_TRAP_GENERIC_ID_MAX = __DEVLINK_TRAP_GENERIC_ID_MAX - 1,
924};
925
926/* All trap groups must be documented in
927 * Documentation/networking/devlink/devlink-trap.rst
928 */
929enum devlink_trap_group_generic_id {
930 DEVLINK_TRAP_GROUP_GENERIC_ID_L2_DROPS,
931 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_DROPS,
932 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_EXCEPTIONS,
933 DEVLINK_TRAP_GROUP_GENERIC_ID_BUFFER_DROPS,
934 DEVLINK_TRAP_GROUP_GENERIC_ID_TUNNEL_DROPS,
935 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_DROPS,
936 DEVLINK_TRAP_GROUP_GENERIC_ID_STP,
937 DEVLINK_TRAP_GROUP_GENERIC_ID_LACP,
938 DEVLINK_TRAP_GROUP_GENERIC_ID_LLDP,
939 DEVLINK_TRAP_GROUP_GENERIC_ID_MC_SNOOPING,
940 DEVLINK_TRAP_GROUP_GENERIC_ID_DHCP,
941 DEVLINK_TRAP_GROUP_GENERIC_ID_NEIGH_DISCOVERY,
942 DEVLINK_TRAP_GROUP_GENERIC_ID_BFD,
943 DEVLINK_TRAP_GROUP_GENERIC_ID_OSPF,
944 DEVLINK_TRAP_GROUP_GENERIC_ID_BGP,
945 DEVLINK_TRAP_GROUP_GENERIC_ID_VRRP,
946 DEVLINK_TRAP_GROUP_GENERIC_ID_PIM,
947 DEVLINK_TRAP_GROUP_GENERIC_ID_UC_LB,
948 DEVLINK_TRAP_GROUP_GENERIC_ID_LOCAL_DELIVERY,
949 DEVLINK_TRAP_GROUP_GENERIC_ID_EXTERNAL_DELIVERY,
950 DEVLINK_TRAP_GROUP_GENERIC_ID_IPV6,
951 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_EVENT,
952 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_GENERAL,
953 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_SAMPLE,
954 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_TRAP,
955 DEVLINK_TRAP_GROUP_GENERIC_ID_PARSER_ERROR_DROPS,
956 DEVLINK_TRAP_GROUP_GENERIC_ID_EAPOL,
957
958 /* Add new generic trap group IDs above */
959 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX,
960 DEVLINK_TRAP_GROUP_GENERIC_ID_MAX =
961 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX - 1,
962};
963
964#define DEVLINK_TRAP_GENERIC_NAME_SMAC_MC \
965 "source_mac_is_multicast"
966#define DEVLINK_TRAP_GENERIC_NAME_VLAN_TAG_MISMATCH \
967 "vlan_tag_mismatch"
968#define DEVLINK_TRAP_GENERIC_NAME_INGRESS_VLAN_FILTER \
969 "ingress_vlan_filter"
970#define DEVLINK_TRAP_GENERIC_NAME_INGRESS_STP_FILTER \
971 "ingress_spanning_tree_filter"
972#define DEVLINK_TRAP_GENERIC_NAME_EMPTY_TX_LIST \
973 "port_list_is_empty"
974#define DEVLINK_TRAP_GENERIC_NAME_PORT_LOOPBACK_FILTER \
975 "port_loopback_filter"
976#define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_ROUTE \
977 "blackhole_route"
978#define DEVLINK_TRAP_GENERIC_NAME_TTL_ERROR \
979 "ttl_value_is_too_small"
980#define DEVLINK_TRAP_GENERIC_NAME_TAIL_DROP \
981 "tail_drop"
982#define DEVLINK_TRAP_GENERIC_NAME_NON_IP_PACKET \
983 "non_ip"
984#define DEVLINK_TRAP_GENERIC_NAME_UC_DIP_MC_DMAC \
985 "uc_dip_over_mc_dmac"
986#define DEVLINK_TRAP_GENERIC_NAME_DIP_LB \
987 "dip_is_loopback_address"
988#define DEVLINK_TRAP_GENERIC_NAME_SIP_MC \
989 "sip_is_mc"
990#define DEVLINK_TRAP_GENERIC_NAME_SIP_LB \
991 "sip_is_loopback_address"
992#define DEVLINK_TRAP_GENERIC_NAME_CORRUPTED_IP_HDR \
993 "ip_header_corrupted"
994#define DEVLINK_TRAP_GENERIC_NAME_IPV4_SIP_BC \
995 "ipv4_sip_is_limited_bc"
996#define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_RESERVED_SCOPE \
997 "ipv6_mc_dip_reserved_scope"
998#define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE \
999 "ipv6_mc_dip_interface_local_scope"
1000#define DEVLINK_TRAP_GENERIC_NAME_MTU_ERROR \
1001 "mtu_value_is_too_small"
1002#define DEVLINK_TRAP_GENERIC_NAME_UNRESOLVED_NEIGH \
1003 "unresolved_neigh"
1004#define DEVLINK_TRAP_GENERIC_NAME_RPF \
1005 "mc_reverse_path_forwarding"
1006#define DEVLINK_TRAP_GENERIC_NAME_REJECT_ROUTE \
1007 "reject_route"
1008#define DEVLINK_TRAP_GENERIC_NAME_IPV4_LPM_UNICAST_MISS \
1009 "ipv4_lpm_miss"
1010#define DEVLINK_TRAP_GENERIC_NAME_IPV6_LPM_UNICAST_MISS \
1011 "ipv6_lpm_miss"
1012#define DEVLINK_TRAP_GENERIC_NAME_NON_ROUTABLE \
1013 "non_routable_packet"
1014#define DEVLINK_TRAP_GENERIC_NAME_DECAP_ERROR \
1015 "decap_error"
1016#define DEVLINK_TRAP_GENERIC_NAME_OVERLAY_SMAC_MC \
1017 "overlay_smac_is_mc"
1018#define DEVLINK_TRAP_GENERIC_NAME_INGRESS_FLOW_ACTION_DROP \
1019 "ingress_flow_action_drop"
1020#define DEVLINK_TRAP_GENERIC_NAME_EGRESS_FLOW_ACTION_DROP \
1021 "egress_flow_action_drop"
1022#define DEVLINK_TRAP_GENERIC_NAME_STP \
1023 "stp"
1024#define DEVLINK_TRAP_GENERIC_NAME_LACP \
1025 "lacp"
1026#define DEVLINK_TRAP_GENERIC_NAME_LLDP \
1027 "lldp"
1028#define DEVLINK_TRAP_GENERIC_NAME_IGMP_QUERY \
1029 "igmp_query"
1030#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V1_REPORT \
1031 "igmp_v1_report"
1032#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_REPORT \
1033 "igmp_v2_report"
1034#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V3_REPORT \
1035 "igmp_v3_report"
1036#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_LEAVE \
1037 "igmp_v2_leave"
1038#define DEVLINK_TRAP_GENERIC_NAME_MLD_QUERY \
1039 "mld_query"
1040#define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_REPORT \
1041 "mld_v1_report"
1042#define DEVLINK_TRAP_GENERIC_NAME_MLD_V2_REPORT \
1043 "mld_v2_report"
1044#define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_DONE \
1045 "mld_v1_done"
1046#define DEVLINK_TRAP_GENERIC_NAME_IPV4_DHCP \
1047 "ipv4_dhcp"
1048#define DEVLINK_TRAP_GENERIC_NAME_IPV6_DHCP \
1049 "ipv6_dhcp"
1050#define DEVLINK_TRAP_GENERIC_NAME_ARP_REQUEST \
1051 "arp_request"
1052#define DEVLINK_TRAP_GENERIC_NAME_ARP_RESPONSE \
1053 "arp_response"
1054#define DEVLINK_TRAP_GENERIC_NAME_ARP_OVERLAY \
1055 "arp_overlay"
1056#define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_SOLICIT \
1057 "ipv6_neigh_solicit"
1058#define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_ADVERT \
1059 "ipv6_neigh_advert"
1060#define DEVLINK_TRAP_GENERIC_NAME_IPV4_BFD \
1061 "ipv4_bfd"
1062#define DEVLINK_TRAP_GENERIC_NAME_IPV6_BFD \
1063 "ipv6_bfd"
1064#define DEVLINK_TRAP_GENERIC_NAME_IPV4_OSPF \
1065 "ipv4_ospf"
1066#define DEVLINK_TRAP_GENERIC_NAME_IPV6_OSPF \
1067 "ipv6_ospf"
1068#define DEVLINK_TRAP_GENERIC_NAME_IPV4_BGP \
1069 "ipv4_bgp"
1070#define DEVLINK_TRAP_GENERIC_NAME_IPV6_BGP \
1071 "ipv6_bgp"
1072#define DEVLINK_TRAP_GENERIC_NAME_IPV4_VRRP \
1073 "ipv4_vrrp"
1074#define DEVLINK_TRAP_GENERIC_NAME_IPV6_VRRP \
1075 "ipv6_vrrp"
1076#define DEVLINK_TRAP_GENERIC_NAME_IPV4_PIM \
1077 "ipv4_pim"
1078#define DEVLINK_TRAP_GENERIC_NAME_IPV6_PIM \
1079 "ipv6_pim"
1080#define DEVLINK_TRAP_GENERIC_NAME_UC_LB \
1081 "uc_loopback"
1082#define DEVLINK_TRAP_GENERIC_NAME_LOCAL_ROUTE \
1083 "local_route"
1084#define DEVLINK_TRAP_GENERIC_NAME_EXTERNAL_ROUTE \
1085 "external_route"
1086#define DEVLINK_TRAP_GENERIC_NAME_IPV6_UC_DIP_LINK_LOCAL_SCOPE \
1087 "ipv6_uc_dip_link_local_scope"
1088#define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_NODES \
1089 "ipv6_dip_all_nodes"
1090#define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_ROUTERS \
1091 "ipv6_dip_all_routers"
1092#define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_SOLICIT \
1093 "ipv6_router_solicit"
1094#define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ADVERT \
1095 "ipv6_router_advert"
1096#define DEVLINK_TRAP_GENERIC_NAME_IPV6_REDIRECT \
1097 "ipv6_redirect"
1098#define DEVLINK_TRAP_GENERIC_NAME_IPV4_ROUTER_ALERT \
1099 "ipv4_router_alert"
1100#define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ALERT \
1101 "ipv6_router_alert"
1102#define DEVLINK_TRAP_GENERIC_NAME_PTP_EVENT \
1103 "ptp_event"
1104#define DEVLINK_TRAP_GENERIC_NAME_PTP_GENERAL \
1105 "ptp_general"
1106#define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_SAMPLE \
1107 "flow_action_sample"
1108#define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_TRAP \
1109 "flow_action_trap"
1110#define DEVLINK_TRAP_GENERIC_NAME_EARLY_DROP \
1111 "early_drop"
1112#define DEVLINK_TRAP_GENERIC_NAME_VXLAN_PARSING \
1113 "vxlan_parsing"
1114#define DEVLINK_TRAP_GENERIC_NAME_LLC_SNAP_PARSING \
1115 "llc_snap_parsing"
1116#define DEVLINK_TRAP_GENERIC_NAME_VLAN_PARSING \
1117 "vlan_parsing"
1118#define DEVLINK_TRAP_GENERIC_NAME_PPPOE_PPP_PARSING \
1119 "pppoe_ppp_parsing"
1120#define DEVLINK_TRAP_GENERIC_NAME_MPLS_PARSING \
1121 "mpls_parsing"
1122#define DEVLINK_TRAP_GENERIC_NAME_ARP_PARSING \
1123 "arp_parsing"
1124#define DEVLINK_TRAP_GENERIC_NAME_IP_1_PARSING \
1125 "ip_1_parsing"
1126#define DEVLINK_TRAP_GENERIC_NAME_IP_N_PARSING \
1127 "ip_n_parsing"
1128#define DEVLINK_TRAP_GENERIC_NAME_GRE_PARSING \
1129 "gre_parsing"
1130#define DEVLINK_TRAP_GENERIC_NAME_UDP_PARSING \
1131 "udp_parsing"
1132#define DEVLINK_TRAP_GENERIC_NAME_TCP_PARSING \
1133 "tcp_parsing"
1134#define DEVLINK_TRAP_GENERIC_NAME_IPSEC_PARSING \
1135 "ipsec_parsing"
1136#define DEVLINK_TRAP_GENERIC_NAME_SCTP_PARSING \
1137 "sctp_parsing"
1138#define DEVLINK_TRAP_GENERIC_NAME_DCCP_PARSING \
1139 "dccp_parsing"
1140#define DEVLINK_TRAP_GENERIC_NAME_GTP_PARSING \
1141 "gtp_parsing"
1142#define DEVLINK_TRAP_GENERIC_NAME_ESP_PARSING \
1143 "esp_parsing"
1144#define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_NEXTHOP \
1145 "blackhole_nexthop"
1146#define DEVLINK_TRAP_GENERIC_NAME_DMAC_FILTER \
1147 "dmac_filter"
1148#define DEVLINK_TRAP_GENERIC_NAME_EAPOL \
1149 "eapol"
1150#define DEVLINK_TRAP_GENERIC_NAME_LOCKED_PORT \
1151 "locked_port"
1152
1153#define DEVLINK_TRAP_GROUP_GENERIC_NAME_L2_DROPS \
1154 "l2_drops"
1155#define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_DROPS \
1156 "l3_drops"
1157#define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_EXCEPTIONS \
1158 "l3_exceptions"
1159#define DEVLINK_TRAP_GROUP_GENERIC_NAME_BUFFER_DROPS \
1160 "buffer_drops"
1161#define DEVLINK_TRAP_GROUP_GENERIC_NAME_TUNNEL_DROPS \
1162 "tunnel_drops"
1163#define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_DROPS \
1164 "acl_drops"
1165#define DEVLINK_TRAP_GROUP_GENERIC_NAME_STP \
1166 "stp"
1167#define DEVLINK_TRAP_GROUP_GENERIC_NAME_LACP \
1168 "lacp"
1169#define DEVLINK_TRAP_GROUP_GENERIC_NAME_LLDP \
1170 "lldp"
1171#define DEVLINK_TRAP_GROUP_GENERIC_NAME_MC_SNOOPING \
1172 "mc_snooping"
1173#define DEVLINK_TRAP_GROUP_GENERIC_NAME_DHCP \
1174 "dhcp"
1175#define DEVLINK_TRAP_GROUP_GENERIC_NAME_NEIGH_DISCOVERY \
1176 "neigh_discovery"
1177#define DEVLINK_TRAP_GROUP_GENERIC_NAME_BFD \
1178 "bfd"
1179#define DEVLINK_TRAP_GROUP_GENERIC_NAME_OSPF \
1180 "ospf"
1181#define DEVLINK_TRAP_GROUP_GENERIC_NAME_BGP \
1182 "bgp"
1183#define DEVLINK_TRAP_GROUP_GENERIC_NAME_VRRP \
1184 "vrrp"
1185#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PIM \
1186 "pim"
1187#define DEVLINK_TRAP_GROUP_GENERIC_NAME_UC_LB \
1188 "uc_loopback"
1189#define DEVLINK_TRAP_GROUP_GENERIC_NAME_LOCAL_DELIVERY \
1190 "local_delivery"
1191#define DEVLINK_TRAP_GROUP_GENERIC_NAME_EXTERNAL_DELIVERY \
1192 "external_delivery"
1193#define DEVLINK_TRAP_GROUP_GENERIC_NAME_IPV6 \
1194 "ipv6"
1195#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_EVENT \
1196 "ptp_event"
1197#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_GENERAL \
1198 "ptp_general"
1199#define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_SAMPLE \
1200 "acl_sample"
1201#define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_TRAP \
1202 "acl_trap"
1203#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PARSER_ERROR_DROPS \
1204 "parser_error_drops"
1205#define DEVLINK_TRAP_GROUP_GENERIC_NAME_EAPOL \
1206 "eapol"
1207
1208#define DEVLINK_TRAP_GENERIC(_type, _init_action, _id, _group_id, \
1209 _metadata_cap) \
1210 { \
1211 .type = DEVLINK_TRAP_TYPE_##_type, \
1212 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \
1213 .generic = true, \
1214 .id = DEVLINK_TRAP_GENERIC_ID_##_id, \
1215 .name = DEVLINK_TRAP_GENERIC_NAME_##_id, \
1216 .init_group_id = _group_id, \
1217 .metadata_cap = _metadata_cap, \
1218 }
1219
1220#define DEVLINK_TRAP_DRIVER(_type, _init_action, _id, _name, _group_id, \
1221 _metadata_cap) \
1222 { \
1223 .type = DEVLINK_TRAP_TYPE_##_type, \
1224 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \
1225 .generic = false, \
1226 .id = _id, \
1227 .name = _name, \
1228 .init_group_id = _group_id, \
1229 .metadata_cap = _metadata_cap, \
1230 }
1231
1232#define DEVLINK_TRAP_GROUP_GENERIC(_id, _policer_id) \
1233 { \
1234 .name = DEVLINK_TRAP_GROUP_GENERIC_NAME_##_id, \
1235 .id = DEVLINK_TRAP_GROUP_GENERIC_ID_##_id, \
1236 .generic = true, \
1237 .init_policer_id = _policer_id, \
1238 }
1239
1240#define DEVLINK_TRAP_POLICER(_id, _rate, _burst, _max_rate, _min_rate, \
1241 _max_burst, _min_burst) \
1242 { \
1243 .id = _id, \
1244 .init_rate = _rate, \
1245 .init_burst = _burst, \
1246 .max_rate = _max_rate, \
1247 .min_rate = _min_rate, \
1248 .max_burst = _max_burst, \
1249 .min_burst = _min_burst, \
1250 }
1251
1252enum {
1253 /* device supports reload operations */
1254 DEVLINK_F_RELOAD = 1UL << 0,
1255};
1256
1257struct devlink_ops {
1258 /**
1259 * @supported_flash_update_params:
1260 * mask of parameters supported by the driver's .flash_update
1261 * implemementation.
1262 */
1263 u32 supported_flash_update_params;
1264 unsigned long reload_actions;
1265 unsigned long reload_limits;
1266 int (*reload_down)(struct devlink *devlink, bool netns_change,
1267 enum devlink_reload_action action,
1268 enum devlink_reload_limit limit,
1269 struct netlink_ext_ack *extack);
1270 int (*reload_up)(struct devlink *devlink, enum devlink_reload_action action,
1271 enum devlink_reload_limit limit, u32 *actions_performed,
1272 struct netlink_ext_ack *extack);
1273 int (*port_type_set)(struct devlink_port *devlink_port,
1274 enum devlink_port_type port_type);
1275 int (*port_split)(struct devlink *devlink, struct devlink_port *port,
1276 unsigned int count, struct netlink_ext_ack *extack);
1277 int (*port_unsplit)(struct devlink *devlink, struct devlink_port *port,
1278 struct netlink_ext_ack *extack);
1279 int (*sb_pool_get)(struct devlink *devlink, unsigned int sb_index,
1280 u16 pool_index,
1281 struct devlink_sb_pool_info *pool_info);
1282 int (*sb_pool_set)(struct devlink *devlink, unsigned int sb_index,
1283 u16 pool_index, u32 size,
1284 enum devlink_sb_threshold_type threshold_type,
1285 struct netlink_ext_ack *extack);
1286 int (*sb_port_pool_get)(struct devlink_port *devlink_port,
1287 unsigned int sb_index, u16 pool_index,
1288 u32 *p_threshold);
1289 int (*sb_port_pool_set)(struct devlink_port *devlink_port,
1290 unsigned int sb_index, u16 pool_index,
1291 u32 threshold, struct netlink_ext_ack *extack);
1292 int (*sb_tc_pool_bind_get)(struct devlink_port *devlink_port,
1293 unsigned int sb_index,
1294 u16 tc_index,
1295 enum devlink_sb_pool_type pool_type,
1296 u16 *p_pool_index, u32 *p_threshold);
1297 int (*sb_tc_pool_bind_set)(struct devlink_port *devlink_port,
1298 unsigned int sb_index,
1299 u16 tc_index,
1300 enum devlink_sb_pool_type pool_type,
1301 u16 pool_index, u32 threshold,
1302 struct netlink_ext_ack *extack);
1303 int (*sb_occ_snapshot)(struct devlink *devlink,
1304 unsigned int sb_index);
1305 int (*sb_occ_max_clear)(struct devlink *devlink,
1306 unsigned int sb_index);
1307 int (*sb_occ_port_pool_get)(struct devlink_port *devlink_port,
1308 unsigned int sb_index, u16 pool_index,
1309 u32 *p_cur, u32 *p_max);
1310 int (*sb_occ_tc_port_bind_get)(struct devlink_port *devlink_port,
1311 unsigned int sb_index,
1312 u16 tc_index,
1313 enum devlink_sb_pool_type pool_type,
1314 u32 *p_cur, u32 *p_max);
1315
1316 int (*eswitch_mode_get)(struct devlink *devlink, u16 *p_mode);
1317 int (*eswitch_mode_set)(struct devlink *devlink, u16 mode,
1318 struct netlink_ext_ack *extack);
1319 int (*eswitch_inline_mode_get)(struct devlink *devlink, u8 *p_inline_mode);
1320 int (*eswitch_inline_mode_set)(struct devlink *devlink, u8 inline_mode,
1321 struct netlink_ext_ack *extack);
1322 int (*eswitch_encap_mode_get)(struct devlink *devlink,
1323 enum devlink_eswitch_encap_mode *p_encap_mode);
1324 int (*eswitch_encap_mode_set)(struct devlink *devlink,
1325 enum devlink_eswitch_encap_mode encap_mode,
1326 struct netlink_ext_ack *extack);
1327 int (*info_get)(struct devlink *devlink, struct devlink_info_req *req,
1328 struct netlink_ext_ack *extack);
1329 /**
1330 * @flash_update: Device flash update function
1331 *
1332 * Used to perform a flash update for the device. The set of
1333 * parameters supported by the driver should be set in
1334 * supported_flash_update_params.
1335 */
1336 int (*flash_update)(struct devlink *devlink,
1337 struct devlink_flash_update_params *params,
1338 struct netlink_ext_ack *extack);
1339 /**
1340 * @trap_init: Trap initialization function.
1341 *
1342 * Should be used by device drivers to initialize the trap in the
1343 * underlying device. Drivers should also store the provided trap
1344 * context, so that they could efficiently pass it to
1345 * devlink_trap_report() when the trap is triggered.
1346 */
1347 int (*trap_init)(struct devlink *devlink,
1348 const struct devlink_trap *trap, void *trap_ctx);
1349 /**
1350 * @trap_fini: Trap de-initialization function.
1351 *
1352 * Should be used by device drivers to de-initialize the trap in the
1353 * underlying device.
1354 */
1355 void (*trap_fini)(struct devlink *devlink,
1356 const struct devlink_trap *trap, void *trap_ctx);
1357 /**
1358 * @trap_action_set: Trap action set function.
1359 */
1360 int (*trap_action_set)(struct devlink *devlink,
1361 const struct devlink_trap *trap,
1362 enum devlink_trap_action action,
1363 struct netlink_ext_ack *extack);
1364 /**
1365 * @trap_group_init: Trap group initialization function.
1366 *
1367 * Should be used by device drivers to initialize the trap group in the
1368 * underlying device.
1369 */
1370 int (*trap_group_init)(struct devlink *devlink,
1371 const struct devlink_trap_group *group);
1372 /**
1373 * @trap_group_set: Trap group parameters set function.
1374 *
1375 * Note: @policer can be NULL when a policer is being unbound from
1376 * @group.
1377 */
1378 int (*trap_group_set)(struct devlink *devlink,
1379 const struct devlink_trap_group *group,
1380 const struct devlink_trap_policer *policer,
1381 struct netlink_ext_ack *extack);
1382 /**
1383 * @trap_group_action_set: Trap group action set function.
1384 *
1385 * If this callback is populated, it will take precedence over looping
1386 * over all traps in a group and calling .trap_action_set().
1387 */
1388 int (*trap_group_action_set)(struct devlink *devlink,
1389 const struct devlink_trap_group *group,
1390 enum devlink_trap_action action,
1391 struct netlink_ext_ack *extack);
1392 /**
1393 * @trap_drop_counter_get: Trap drop counter get function.
1394 *
1395 * Should be used by device drivers to report number of packets
1396 * that have been dropped, and cannot be passed to the devlink
1397 * subsystem by the underlying device.
1398 */
1399 int (*trap_drop_counter_get)(struct devlink *devlink,
1400 const struct devlink_trap *trap,
1401 u64 *p_drops);
1402 /**
1403 * @trap_policer_init: Trap policer initialization function.
1404 *
1405 * Should be used by device drivers to initialize the trap policer in
1406 * the underlying device.
1407 */
1408 int (*trap_policer_init)(struct devlink *devlink,
1409 const struct devlink_trap_policer *policer);
1410 /**
1411 * @trap_policer_fini: Trap policer de-initialization function.
1412 *
1413 * Should be used by device drivers to de-initialize the trap policer
1414 * in the underlying device.
1415 */
1416 void (*trap_policer_fini)(struct devlink *devlink,
1417 const struct devlink_trap_policer *policer);
1418 /**
1419 * @trap_policer_set: Trap policer parameters set function.
1420 */
1421 int (*trap_policer_set)(struct devlink *devlink,
1422 const struct devlink_trap_policer *policer,
1423 u64 rate, u64 burst,
1424 struct netlink_ext_ack *extack);
1425 /**
1426 * @trap_policer_counter_get: Trap policer counter get function.
1427 *
1428 * Should be used by device drivers to report number of packets dropped
1429 * by the policer.
1430 */
1431 int (*trap_policer_counter_get)(struct devlink *devlink,
1432 const struct devlink_trap_policer *policer,
1433 u64 *p_drops);
1434 /**
1435 * @port_function_hw_addr_get: Port function's hardware address get function.
1436 *
1437 * Should be used by device drivers to report the hardware address of a function managed
1438 * by the devlink port. Driver should return -EOPNOTSUPP if it doesn't support port
1439 * function handling for a particular port.
1440 *
1441 * Note: @extack can be NULL when port notifier queries the port function.
1442 */
1443 int (*port_function_hw_addr_get)(struct devlink_port *port, u8 *hw_addr,
1444 int *hw_addr_len,
1445 struct netlink_ext_ack *extack);
1446 /**
1447 * @port_function_hw_addr_set: Port function's hardware address set function.
1448 *
1449 * Should be used by device drivers to set the hardware address of a function managed
1450 * by the devlink port. Driver should return -EOPNOTSUPP if it doesn't support port
1451 * function handling for a particular port.
1452 */
1453 int (*port_function_hw_addr_set)(struct devlink_port *port,
1454 const u8 *hw_addr, int hw_addr_len,
1455 struct netlink_ext_ack *extack);
1456 /**
1457 * @port_fn_roce_get: Port function's roce get function.
1458 *
1459 * Query RoCE state of a function managed by the devlink port.
1460 * Return -EOPNOTSUPP if port function RoCE handling is not supported.
1461 */
1462 int (*port_fn_roce_get)(struct devlink_port *devlink_port,
1463 bool *is_enable,
1464 struct netlink_ext_ack *extack);
1465 /**
1466 * @port_fn_roce_set: Port function's roce set function.
1467 *
1468 * Enable/Disable the RoCE state of a function managed by the devlink
1469 * port.
1470 * Return -EOPNOTSUPP if port function RoCE handling is not supported.
1471 */
1472 int (*port_fn_roce_set)(struct devlink_port *devlink_port,
1473 bool enable, struct netlink_ext_ack *extack);
1474 /**
1475 * @port_fn_migratable_get: Port function's migratable get function.
1476 *
1477 * Query migratable state of a function managed by the devlink port.
1478 * Return -EOPNOTSUPP if port function migratable handling is not
1479 * supported.
1480 */
1481 int (*port_fn_migratable_get)(struct devlink_port *devlink_port,
1482 bool *is_enable,
1483 struct netlink_ext_ack *extack);
1484 /**
1485 * @port_fn_migratable_set: Port function's migratable set function.
1486 *
1487 * Enable/Disable migratable state of a function managed by the devlink
1488 * port.
1489 * Return -EOPNOTSUPP if port function migratable handling is not
1490 * supported.
1491 */
1492 int (*port_fn_migratable_set)(struct devlink_port *devlink_port,
1493 bool enable,
1494 struct netlink_ext_ack *extack);
1495 /**
1496 * port_new() - Add a new port function of a specified flavor
1497 * @devlink: Devlink instance
1498 * @attrs: attributes of the new port
1499 * @extack: extack for reporting error messages
1500 * @new_port_index: index of the new port
1501 *
1502 * Devlink core will call this device driver function upon user request
1503 * to create a new port function of a specified flavor and optional
1504 * attributes
1505 *
1506 * Notes:
1507 * - Called without devlink instance lock being held. Drivers must
1508 * implement own means of synchronization
1509 * - On success, drivers must register a port with devlink core
1510 *
1511 * Return: 0 on success, negative value otherwise.
1512 */
1513 int (*port_new)(struct devlink *devlink,
1514 const struct devlink_port_new_attrs *attrs,
1515 struct netlink_ext_ack *extack,
1516 unsigned int *new_port_index);
1517 /**
1518 * port_del() - Delete a port function
1519 * @devlink: Devlink instance
1520 * @port_index: port function index to delete
1521 * @extack: extack for reporting error messages
1522 *
1523 * Devlink core will call this device driver function upon user request
1524 * to delete a previously created port function
1525 *
1526 * Notes:
1527 * - Called without devlink instance lock being held. Drivers must
1528 * implement own means of synchronization
1529 * - On success, drivers must unregister the corresponding devlink
1530 * port
1531 *
1532 * Return: 0 on success, negative value otherwise.
1533 */
1534 int (*port_del)(struct devlink *devlink, unsigned int port_index,
1535 struct netlink_ext_ack *extack);
1536 /**
1537 * port_fn_state_get() - Get the state of a port function
1538 * @devlink: Devlink instance
1539 * @port: The devlink port
1540 * @state: Admin configured state
1541 * @opstate: Current operational state
1542 * @extack: extack for reporting error messages
1543 *
1544 * Reports the admin and operational state of a devlink port function
1545 *
1546 * Return: 0 on success, negative value otherwise.
1547 */
1548 int (*port_fn_state_get)(struct devlink_port *port,
1549 enum devlink_port_fn_state *state,
1550 enum devlink_port_fn_opstate *opstate,
1551 struct netlink_ext_ack *extack);
1552 /**
1553 * port_fn_state_set() - Set the admin state of a port function
1554 * @devlink: Devlink instance
1555 * @port: The devlink port
1556 * @state: Admin state
1557 * @extack: extack for reporting error messages
1558 *
1559 * Set the admin state of a devlink port function
1560 *
1561 * Return: 0 on success, negative value otherwise.
1562 */
1563 int (*port_fn_state_set)(struct devlink_port *port,
1564 enum devlink_port_fn_state state,
1565 struct netlink_ext_ack *extack);
1566
1567 /**
1568 * Rate control callbacks.
1569 */
1570 int (*rate_leaf_tx_share_set)(struct devlink_rate *devlink_rate, void *priv,
1571 u64 tx_share, struct netlink_ext_ack *extack);
1572 int (*rate_leaf_tx_max_set)(struct devlink_rate *devlink_rate, void *priv,
1573 u64 tx_max, struct netlink_ext_ack *extack);
1574 int (*rate_leaf_tx_priority_set)(struct devlink_rate *devlink_rate, void *priv,
1575 u32 tx_priority, struct netlink_ext_ack *extack);
1576 int (*rate_leaf_tx_weight_set)(struct devlink_rate *devlink_rate, void *priv,
1577 u32 tx_weight, struct netlink_ext_ack *extack);
1578 int (*rate_node_tx_share_set)(struct devlink_rate *devlink_rate, void *priv,
1579 u64 tx_share, struct netlink_ext_ack *extack);
1580 int (*rate_node_tx_max_set)(struct devlink_rate *devlink_rate, void *priv,
1581 u64 tx_max, struct netlink_ext_ack *extack);
1582 int (*rate_node_tx_priority_set)(struct devlink_rate *devlink_rate, void *priv,
1583 u32 tx_priority, struct netlink_ext_ack *extack);
1584 int (*rate_node_tx_weight_set)(struct devlink_rate *devlink_rate, void *priv,
1585 u32 tx_weight, struct netlink_ext_ack *extack);
1586 int (*rate_node_new)(struct devlink_rate *rate_node, void **priv,
1587 struct netlink_ext_ack *extack);
1588 int (*rate_node_del)(struct devlink_rate *rate_node, void *priv,
1589 struct netlink_ext_ack *extack);
1590 int (*rate_leaf_parent_set)(struct devlink_rate *child,
1591 struct devlink_rate *parent,
1592 void *priv_child, void *priv_parent,
1593 struct netlink_ext_ack *extack);
1594 int (*rate_node_parent_set)(struct devlink_rate *child,
1595 struct devlink_rate *parent,
1596 void *priv_child, void *priv_parent,
1597 struct netlink_ext_ack *extack);
1598 /**
1599 * selftests_check() - queries if selftest is supported
1600 * @devlink: devlink instance
1601 * @id: test index
1602 * @extack: extack for reporting error messages
1603 *
1604 * Return: true if test is supported by the driver
1605 */
1606 bool (*selftest_check)(struct devlink *devlink, unsigned int id,
1607 struct netlink_ext_ack *extack);
1608 /**
1609 * selftest_run() - Runs a selftest
1610 * @devlink: devlink instance
1611 * @id: test index
1612 * @extack: extack for reporting error messages
1613 *
1614 * Return: status of the test
1615 */
1616 enum devlink_selftest_status
1617 (*selftest_run)(struct devlink *devlink, unsigned int id,
1618 struct netlink_ext_ack *extack);
1619};
1620
1621void *devlink_priv(struct devlink *devlink);
1622struct devlink *priv_to_devlink(void *priv);
1623struct device *devlink_to_dev(const struct devlink *devlink);
1624
1625/* Devlink instance explicit locking */
1626void devl_lock(struct devlink *devlink);
1627int devl_trylock(struct devlink *devlink);
1628void devl_unlock(struct devlink *devlink);
1629void devl_assert_locked(struct devlink *devlink);
1630bool devl_lock_is_held(struct devlink *devlink);
1631
1632struct ib_device;
1633
1634struct net *devlink_net(const struct devlink *devlink);
1635/* This call is intended for software devices that can create
1636 * devlink instances in other namespaces than init_net.
1637 *
1638 * Drivers that operate on real HW must use devlink_alloc() instead.
1639 */
1640struct devlink *devlink_alloc_ns(const struct devlink_ops *ops,
1641 size_t priv_size, struct net *net,
1642 struct device *dev);
1643static inline struct devlink *devlink_alloc(const struct devlink_ops *ops,
1644 size_t priv_size,
1645 struct device *dev)
1646{
1647 return devlink_alloc_ns(ops, priv_size, &init_net, dev);
1648}
1649void devlink_set_features(struct devlink *devlink, u64 features);
1650void devlink_register(struct devlink *devlink);
1651void devlink_unregister(struct devlink *devlink);
1652void devlink_free(struct devlink *devlink);
1653void devlink_port_init(struct devlink *devlink,
1654 struct devlink_port *devlink_port);
1655void devlink_port_fini(struct devlink_port *devlink_port);
1656int devl_port_register(struct devlink *devlink,
1657 struct devlink_port *devlink_port,
1658 unsigned int port_index);
1659int devlink_port_register(struct devlink *devlink,
1660 struct devlink_port *devlink_port,
1661 unsigned int port_index);
1662void devl_port_unregister(struct devlink_port *devlink_port);
1663void devlink_port_unregister(struct devlink_port *devlink_port);
1664void devlink_port_type_eth_set(struct devlink_port *devlink_port);
1665void devlink_port_type_ib_set(struct devlink_port *devlink_port,
1666 struct ib_device *ibdev);
1667void devlink_port_type_clear(struct devlink_port *devlink_port);
1668void devlink_port_attrs_set(struct devlink_port *devlink_port,
1669 struct devlink_port_attrs *devlink_port_attrs);
1670void devlink_port_attrs_pci_pf_set(struct devlink_port *devlink_port, u32 controller,
1671 u16 pf, bool external);
1672void devlink_port_attrs_pci_vf_set(struct devlink_port *devlink_port, u32 controller,
1673 u16 pf, u16 vf, bool external);
1674void devlink_port_attrs_pci_sf_set(struct devlink_port *devlink_port,
1675 u32 controller, u16 pf, u32 sf,
1676 bool external);
1677struct devlink_rate *
1678devl_rate_node_create(struct devlink *devlink, void *priv, char *node_name,
1679 struct devlink_rate *parent);
1680int
1681devl_rate_leaf_create(struct devlink_port *devlink_port, void *priv,
1682 struct devlink_rate *parent);
1683void devl_rate_leaf_destroy(struct devlink_port *devlink_port);
1684void devl_rate_nodes_destroy(struct devlink *devlink);
1685void devlink_port_linecard_set(struct devlink_port *devlink_port,
1686 struct devlink_linecard *linecard);
1687struct devlink_linecard *
1688devlink_linecard_create(struct devlink *devlink, unsigned int linecard_index,
1689 const struct devlink_linecard_ops *ops, void *priv);
1690void devlink_linecard_destroy(struct devlink_linecard *linecard);
1691void devlink_linecard_provision_set(struct devlink_linecard *linecard,
1692 const char *type);
1693void devlink_linecard_provision_clear(struct devlink_linecard *linecard);
1694void devlink_linecard_provision_fail(struct devlink_linecard *linecard);
1695void devlink_linecard_activate(struct devlink_linecard *linecard);
1696void devlink_linecard_deactivate(struct devlink_linecard *linecard);
1697void devlink_linecard_nested_dl_set(struct devlink_linecard *linecard,
1698 struct devlink *nested_devlink);
1699int devl_sb_register(struct devlink *devlink, unsigned int sb_index,
1700 u32 size, u16 ingress_pools_count,
1701 u16 egress_pools_count, u16 ingress_tc_count,
1702 u16 egress_tc_count);
1703int devlink_sb_register(struct devlink *devlink, unsigned int sb_index,
1704 u32 size, u16 ingress_pools_count,
1705 u16 egress_pools_count, u16 ingress_tc_count,
1706 u16 egress_tc_count);
1707void devl_sb_unregister(struct devlink *devlink, unsigned int sb_index);
1708void devlink_sb_unregister(struct devlink *devlink, unsigned int sb_index);
1709int devl_dpipe_table_register(struct devlink *devlink,
1710 const char *table_name,
1711 struct devlink_dpipe_table_ops *table_ops,
1712 void *priv, bool counter_control_extern);
1713void devl_dpipe_table_unregister(struct devlink *devlink,
1714 const char *table_name);
1715void devl_dpipe_headers_register(struct devlink *devlink,
1716 struct devlink_dpipe_headers *dpipe_headers);
1717void devl_dpipe_headers_unregister(struct devlink *devlink);
1718bool devlink_dpipe_table_counter_enabled(struct devlink *devlink,
1719 const char *table_name);
1720int devlink_dpipe_entry_ctx_prepare(struct devlink_dpipe_dump_ctx *dump_ctx);
1721int devlink_dpipe_entry_ctx_append(struct devlink_dpipe_dump_ctx *dump_ctx,
1722 struct devlink_dpipe_entry *entry);
1723int devlink_dpipe_entry_ctx_close(struct devlink_dpipe_dump_ctx *dump_ctx);
1724void devlink_dpipe_entry_clear(struct devlink_dpipe_entry *entry);
1725int devlink_dpipe_action_put(struct sk_buff *skb,
1726 struct devlink_dpipe_action *action);
1727int devlink_dpipe_match_put(struct sk_buff *skb,
1728 struct devlink_dpipe_match *match);
1729extern struct devlink_dpipe_header devlink_dpipe_header_ethernet;
1730extern struct devlink_dpipe_header devlink_dpipe_header_ipv4;
1731extern struct devlink_dpipe_header devlink_dpipe_header_ipv6;
1732
1733int devl_resource_register(struct devlink *devlink,
1734 const char *resource_name,
1735 u64 resource_size,
1736 u64 resource_id,
1737 u64 parent_resource_id,
1738 const struct devlink_resource_size_params *size_params);
1739int devlink_resource_register(struct devlink *devlink,
1740 const char *resource_name,
1741 u64 resource_size,
1742 u64 resource_id,
1743 u64 parent_resource_id,
1744 const struct devlink_resource_size_params *size_params);
1745void devl_resources_unregister(struct devlink *devlink);
1746void devlink_resources_unregister(struct devlink *devlink);
1747int devl_resource_size_get(struct devlink *devlink,
1748 u64 resource_id,
1749 u64 *p_resource_size);
1750int devl_dpipe_table_resource_set(struct devlink *devlink,
1751 const char *table_name, u64 resource_id,
1752 u64 resource_units);
1753int devlink_dpipe_table_resource_set(struct devlink *devlink,
1754 const char *table_name, u64 resource_id,
1755 u64 resource_units);
1756void devl_resource_occ_get_register(struct devlink *devlink,
1757 u64 resource_id,
1758 devlink_resource_occ_get_t *occ_get,
1759 void *occ_get_priv);
1760void devlink_resource_occ_get_register(struct devlink *devlink,
1761 u64 resource_id,
1762 devlink_resource_occ_get_t *occ_get,
1763 void *occ_get_priv);
1764void devl_resource_occ_get_unregister(struct devlink *devlink,
1765 u64 resource_id);
1766
1767void devlink_resource_occ_get_unregister(struct devlink *devlink,
1768 u64 resource_id);
1769int devlink_params_register(struct devlink *devlink,
1770 const struct devlink_param *params,
1771 size_t params_count);
1772void devlink_params_unregister(struct devlink *devlink,
1773 const struct devlink_param *params,
1774 size_t params_count);
1775int devlink_param_register(struct devlink *devlink,
1776 const struct devlink_param *param);
1777void devlink_param_unregister(struct devlink *devlink,
1778 const struct devlink_param *param);
1779int devlink_param_driverinit_value_get(struct devlink *devlink, u32 param_id,
1780 union devlink_param_value *init_val);
1781int devlink_param_driverinit_value_set(struct devlink *devlink, u32 param_id,
1782 union devlink_param_value init_val);
1783void devlink_param_value_changed(struct devlink *devlink, u32 param_id);
1784struct devlink_region *devl_region_create(struct devlink *devlink,
1785 const struct devlink_region_ops *ops,
1786 u32 region_max_snapshots,
1787 u64 region_size);
1788struct devlink_region *
1789devlink_region_create(struct devlink *devlink,
1790 const struct devlink_region_ops *ops,
1791 u32 region_max_snapshots, u64 region_size);
1792struct devlink_region *
1793devlink_port_region_create(struct devlink_port *port,
1794 const struct devlink_port_region_ops *ops,
1795 u32 region_max_snapshots, u64 region_size);
1796void devl_region_destroy(struct devlink_region *region);
1797void devlink_region_destroy(struct devlink_region *region);
1798void devlink_port_region_destroy(struct devlink_region *region);
1799
1800int devlink_region_snapshot_id_get(struct devlink *devlink, u32 *id);
1801void devlink_region_snapshot_id_put(struct devlink *devlink, u32 id);
1802int devlink_region_snapshot_create(struct devlink_region *region,
1803 u8 *data, u32 snapshot_id);
1804int devlink_info_serial_number_put(struct devlink_info_req *req,
1805 const char *sn);
1806int devlink_info_board_serial_number_put(struct devlink_info_req *req,
1807 const char *bsn);
1808
1809enum devlink_info_version_type {
1810 DEVLINK_INFO_VERSION_TYPE_NONE,
1811 DEVLINK_INFO_VERSION_TYPE_COMPONENT, /* May be used as flash update
1812 * component by name.
1813 */
1814};
1815
1816int devlink_info_version_fixed_put(struct devlink_info_req *req,
1817 const char *version_name,
1818 const char *version_value);
1819int devlink_info_version_stored_put(struct devlink_info_req *req,
1820 const char *version_name,
1821 const char *version_value);
1822int devlink_info_version_stored_put_ext(struct devlink_info_req *req,
1823 const char *version_name,
1824 const char *version_value,
1825 enum devlink_info_version_type version_type);
1826int devlink_info_version_running_put(struct devlink_info_req *req,
1827 const char *version_name,
1828 const char *version_value);
1829int devlink_info_version_running_put_ext(struct devlink_info_req *req,
1830 const char *version_name,
1831 const char *version_value,
1832 enum devlink_info_version_type version_type);
1833
1834int devlink_fmsg_obj_nest_start(struct devlink_fmsg *fmsg);
1835int devlink_fmsg_obj_nest_end(struct devlink_fmsg *fmsg);
1836
1837int devlink_fmsg_pair_nest_start(struct devlink_fmsg *fmsg, const char *name);
1838int devlink_fmsg_pair_nest_end(struct devlink_fmsg *fmsg);
1839
1840int devlink_fmsg_arr_pair_nest_start(struct devlink_fmsg *fmsg,
1841 const char *name);
1842int devlink_fmsg_arr_pair_nest_end(struct devlink_fmsg *fmsg);
1843int devlink_fmsg_binary_pair_nest_start(struct devlink_fmsg *fmsg,
1844 const char *name);
1845int devlink_fmsg_binary_pair_nest_end(struct devlink_fmsg *fmsg);
1846
1847int devlink_fmsg_u32_put(struct devlink_fmsg *fmsg, u32 value);
1848int devlink_fmsg_string_put(struct devlink_fmsg *fmsg, const char *value);
1849int devlink_fmsg_binary_put(struct devlink_fmsg *fmsg, const void *value,
1850 u16 value_len);
1851
1852int devlink_fmsg_bool_pair_put(struct devlink_fmsg *fmsg, const char *name,
1853 bool value);
1854int devlink_fmsg_u8_pair_put(struct devlink_fmsg *fmsg, const char *name,
1855 u8 value);
1856int devlink_fmsg_u32_pair_put(struct devlink_fmsg *fmsg, const char *name,
1857 u32 value);
1858int devlink_fmsg_u64_pair_put(struct devlink_fmsg *fmsg, const char *name,
1859 u64 value);
1860int devlink_fmsg_string_pair_put(struct devlink_fmsg *fmsg, const char *name,
1861 const char *value);
1862int devlink_fmsg_binary_pair_put(struct devlink_fmsg *fmsg, const char *name,
1863 const void *value, u32 value_len);
1864
1865struct devlink_health_reporter *
1866devlink_health_reporter_create(struct devlink *devlink,
1867 const struct devlink_health_reporter_ops *ops,
1868 u64 graceful_period, void *priv);
1869
1870struct devlink_health_reporter *
1871devlink_port_health_reporter_create(struct devlink_port *port,
1872 const struct devlink_health_reporter_ops *ops,
1873 u64 graceful_period, void *priv);
1874
1875void
1876devlink_health_reporter_destroy(struct devlink_health_reporter *reporter);
1877
1878void
1879devlink_port_health_reporter_destroy(struct devlink_health_reporter *reporter);
1880
1881void *
1882devlink_health_reporter_priv(struct devlink_health_reporter *reporter);
1883int devlink_health_report(struct devlink_health_reporter *reporter,
1884 const char *msg, void *priv_ctx);
1885void
1886devlink_health_reporter_state_update(struct devlink_health_reporter *reporter,
1887 enum devlink_health_reporter_state state);
1888void
1889devlink_health_reporter_recovery_done(struct devlink_health_reporter *reporter);
1890
1891bool devlink_is_reload_failed(const struct devlink *devlink);
1892void devlink_remote_reload_actions_performed(struct devlink *devlink,
1893 enum devlink_reload_limit limit,
1894 u32 actions_performed);
1895
1896void devlink_flash_update_status_notify(struct devlink *devlink,
1897 const char *status_msg,
1898 const char *component,
1899 unsigned long done,
1900 unsigned long total);
1901void devlink_flash_update_timeout_notify(struct devlink *devlink,
1902 const char *status_msg,
1903 const char *component,
1904 unsigned long timeout);
1905
1906int devl_traps_register(struct devlink *devlink,
1907 const struct devlink_trap *traps,
1908 size_t traps_count, void *priv);
1909int devlink_traps_register(struct devlink *devlink,
1910 const struct devlink_trap *traps,
1911 size_t traps_count, void *priv);
1912void devl_traps_unregister(struct devlink *devlink,
1913 const struct devlink_trap *traps,
1914 size_t traps_count);
1915void devlink_traps_unregister(struct devlink *devlink,
1916 const struct devlink_trap *traps,
1917 size_t traps_count);
1918void devlink_trap_report(struct devlink *devlink, struct sk_buff *skb,
1919 void *trap_ctx, struct devlink_port *in_devlink_port,
1920 const struct flow_action_cookie *fa_cookie);
1921void *devlink_trap_ctx_priv(void *trap_ctx);
1922int devl_trap_groups_register(struct devlink *devlink,
1923 const struct devlink_trap_group *groups,
1924 size_t groups_count);
1925int devlink_trap_groups_register(struct devlink *devlink,
1926 const struct devlink_trap_group *groups,
1927 size_t groups_count);
1928void devl_trap_groups_unregister(struct devlink *devlink,
1929 const struct devlink_trap_group *groups,
1930 size_t groups_count);
1931void devlink_trap_groups_unregister(struct devlink *devlink,
1932 const struct devlink_trap_group *groups,
1933 size_t groups_count);
1934int
1935devl_trap_policers_register(struct devlink *devlink,
1936 const struct devlink_trap_policer *policers,
1937 size_t policers_count);
1938void
1939devl_trap_policers_unregister(struct devlink *devlink,
1940 const struct devlink_trap_policer *policers,
1941 size_t policers_count);
1942
1943#if IS_ENABLED(CONFIG_NET_DEVLINK)
1944
1945struct devlink *__must_check devlink_try_get(struct devlink *devlink);
1946void devlink_put(struct devlink *devlink);
1947
1948void devlink_compat_running_version(struct devlink *devlink,
1949 char *buf, size_t len);
1950int devlink_compat_flash_update(struct devlink *devlink, const char *file_name);
1951int devlink_compat_phys_port_name_get(struct net_device *dev,
1952 char *name, size_t len);
1953int devlink_compat_switch_id_get(struct net_device *dev,
1954 struct netdev_phys_item_id *ppid);
1955
1956int devlink_nl_port_handle_fill(struct sk_buff *msg, struct devlink_port *devlink_port);
1957size_t devlink_nl_port_handle_size(struct devlink_port *devlink_port);
1958
1959#else
1960
1961static inline struct devlink *devlink_try_get(struct devlink *devlink)
1962{
1963 return NULL;
1964}
1965
1966static inline void devlink_put(struct devlink *devlink)
1967{
1968}
1969
1970static inline void
1971devlink_compat_running_version(struct devlink *devlink, char *buf, size_t len)
1972{
1973}
1974
1975static inline int
1976devlink_compat_flash_update(struct devlink *devlink, const char *file_name)
1977{
1978 return -EOPNOTSUPP;
1979}
1980
1981static inline int
1982devlink_compat_phys_port_name_get(struct net_device *dev,
1983 char *name, size_t len)
1984{
1985 return -EOPNOTSUPP;
1986}
1987
1988static inline int
1989devlink_compat_switch_id_get(struct net_device *dev,
1990 struct netdev_phys_item_id *ppid)
1991{
1992 return -EOPNOTSUPP;
1993}
1994
1995static inline int
1996devlink_nl_port_handle_fill(struct sk_buff *msg, struct devlink_port *devlink_port)
1997{
1998 return 0;
1999}
2000
2001static inline size_t devlink_nl_port_handle_size(struct devlink_port *devlink_port)
2002{
2003 return 0;
2004}
2005
2006#endif
2007
2008#endif /* _NET_DEVLINK_H_ */