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bridge: switchdev: Reflect MAB bridge port flag to device drivers
[linux-block.git] / include / net / devlink.h
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2874c5fd 1/* SPDX-License-Identifier: GPL-2.0-or-later */
bfcd3a46
JP		 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>
bfcd3a46
JP		 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>
b8f97554 15#include <linux/spinlock.h>
136bf27f 16#include <linux/workqueue.h>
0f420b6c 17#include <linux/refcount.h>
bfcd3a46 18#include <net/net_namespace.h>
5a2e106c 19#include <net/flow_offload.h>
bfcd3a46 20#include <uapi/linux/devlink.h>
12102436 21#include <linux/xarray.h>
b44cfd4f 22#include <linux/firmware.h>
bfcd3a46 23
21314638 24struct devlink;
c246f9b5 25struct devlink_linecard;
bfcd3a46 26
378ef01b
PP		 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 */
71ad8d55 32 u32 split_subport_number; /* If the port is split, this is the number of subport. */
378ef01b
PP		 33};
34
ff03e63a
PP		 35/**
36 * struct devlink_port_pci_pf_attrs - devlink port's PCI PF attributes
3a2d9588 37 * @controller: Associated controller number
ff03e63a 38 * @pf: Associated PCI PF number for this port.
05b595e9 39 * @external: when set, indicates if a port is for an external controller
ff03e63a 40 */
98fd2d65 41struct devlink_port_pci_pf_attrs {
3a2d9588 42 u32 controller;
ff03e63a 43 u16 pf;
05b595e9 44 u8 external:1;
98fd2d65
PP		 45};
46
ff03e63a
PP		 47/**
48 * struct devlink_port_pci_vf_attrs - devlink port's PCI VF attributes
3a2d9588 49 * @controller: Associated controller number
ff03e63a
PP		 50 * @pf: Associated PCI PF number for this port.
51 * @vf: Associated PCI VF for of the PCI PF for this port.
05b595e9 52 * @external: when set, indicates if a port is for an external controller
ff03e63a 53 */
e41b6bf3 54struct devlink_port_pci_vf_attrs {
3a2d9588 55 u32 controller;
ff03e63a
PP		 56 u16 pf;
57 u16 vf;
05b595e9 58 u8 external:1;
e41b6bf3
PP		 59};
60
b8288837
PP		 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.
a1ab3e45 66 * @external: when set, indicates if a port is for an external controller
b8288837
PP		 67 */
68struct devlink_port_pci_sf_attrs {
69 u32 controller;
70 u32 sf;
71 u16 pf;
a1ab3e45 72 u8 external:1;
b8288837
PP		 73};
74
71ad8d55
DR		 75/**
76 * struct devlink_port_attrs - devlink port object
77 * @flavour: flavour of the port
78 * @split: indicates if this is split port
a0f49b54 79 * @splittable: indicates if the port can be split.
a21cf0a8 80 * @lanes: maximum number of lanes the port supports. 0 value is not passed to netlink.
71ad8d55 81 * @switch_id: if the port is part of switch, this is buffer with ID, otherwise this is NULL
2efbe6ae
PP		 82 * @phys: physical port attributes
83 * @pci_pf: PCI PF port attributes
84 * @pci_vf: PCI VF port attributes
b8288837 85 * @pci_sf: PCI SF port attributes
71ad8d55 86 */
b9ffcbaf 87struct devlink_port_attrs {
a0f49b54
DR		 88 u8 split:1,
89 splittable:1;
a21cf0a8 90 u32 lanes;
5ec1380a 91 enum devlink_port_flavour flavour;
bec5267c 92 struct netdev_phys_item_id switch_id;
378ef01b
PP		 93 union {
94 struct devlink_port_phys_attrs phys;
98fd2d65 95 struct devlink_port_pci_pf_attrs pci_pf;
e41b6bf3 96 struct devlink_port_pci_vf_attrs pci_vf;
b8288837 97 struct devlink_port_pci_sf_attrs pci_sf;
378ef01b 98 };
b9ffcbaf
JP		 99};
100
4677efc4
DL		 101struct devlink_rate {
102 struct list_head list;
103 enum devlink_rate_type type;
104 struct devlink *devlink;
105 void *priv;
1897db2e
DL		 106 u64 tx_share;
107 u64 tx_max;
4677efc4 108
d7555984 109 struct devlink_rate *parent;
a8ecb93e
DL		 110 union {
111 struct devlink_port *devlink_port;
d7555984
DL		 112 struct {
113 char *name;
114 refcount_t refcnt;
115 };
a8ecb93e 116 };
4677efc4
DL		 117};
118
bfcd3a46
JP		 119struct devlink_port {
120 struct list_head list;
544e7c33 121 struct list_head region_list;
bfcd3a46 122 struct devlink *devlink;
c7282b50 123 unsigned int index;
3830c571
JP		 124 spinlock_t type_lock; /* Protects type and type_eth/ib
125 * structures consistency.
b8f97554 126 */
bfcd3a46
JP		 127 enum devlink_port_type type;
128 enum devlink_port_type desired_type;
3830c571
JP		 129 union {
130 struct {
131 struct net_device *netdev;
31265c1e
JP		 132 int ifindex;
133 char ifname[IFNAMSIZ];
3830c571
JP		 134 } type_eth;
135 struct {
136 struct ib_device *ibdev;
137 } type_ib;
138 };
b9ffcbaf 139 struct devlink_port_attrs attrs;
46737a19 140 u8 attrs_set:1,
081adcfe 141 switch_port:1,
ae3bbc04
JP		 142 registered:1,
143 initialized:1;
136bf27f 144 struct delayed_work type_warn_dw;
f4f54166
VT		 145 struct list_head reporter_list;
146 struct mutex reporters_lock; /* Protects reporter_list */
4677efc4
DL		 147
148 struct devlink_rate *devlink_rate;
b8375859 149 struct devlink_linecard *linecard;
bfcd3a46
JP		 150};
151
cd76dcd6
PP		 152struct devlink_port_new_attrs {
153 enum devlink_port_flavour flavour;
154 unsigned int port_index;
155 u32 controller;
156 u32 sfnum;
157 u16 pfnum;
158 u8 port_index_valid:1,
159 controller_valid:1,
160 sfnum_valid:1;
161};
162
fcdc8ce2
JP		 163/**
164 * struct devlink_linecard_ops - Linecard operations
165 * @provision: callback to provision the linecard slot with certain
166 * type of linecard. As a result of this operation,
167 * driver is expected to eventually (could be after
168 * the function call returns) call one of:
169 * devlink_linecard_provision_set()
170 * devlink_linecard_provision_fail()
171 * @unprovision: callback to unprovision the linecard slot. As a result
172 * of this operation, driver is expected to eventually
173 * (could be after the function call returns) call
174 * devlink_linecard_provision_clear()
175 * devlink_linecard_provision_fail()
176 * @same_provision: callback to ask the driver if linecard is already
177 * provisioned in the same way user asks this linecard to be
178 * provisioned.
179 * @types_count: callback to get number of supported types
180 * @types_get: callback to get next type in list
181 */
182struct devlink_linecard_ops {
183 int (*provision)(struct devlink_linecard *linecard, void *priv,
184 const char *type, const void *type_priv,
185 struct netlink_ext_ack *extack);
186 int (*unprovision)(struct devlink_linecard *linecard, void *priv,
187 struct netlink_ext_ack *extack);
188 bool (*same_provision)(struct devlink_linecard *linecard, void *priv,
189 const char *type, const void *type_priv);
190 unsigned int (*types_count)(struct devlink_linecard *linecard,
191 void *priv);
192 void (*types_get)(struct devlink_linecard *linecard,
193 void *priv, unsigned int index, const char **type,
194 const void **type_priv);
195};
196
bf797471
JP		 197struct devlink_sb_pool_info {
198 enum devlink_sb_pool_type pool_type;
199 u32 size;
200 enum devlink_sb_threshold_type threshold_type;
bff5731d 201 u32 cell_size;
bf797471
JP		 202};
203
1555d204
AS		 204/**
205 * struct devlink_dpipe_field - dpipe field object
206 * @name: field name
207 * @id: index inside the headers field array
208 * @bitwidth: bitwidth
209 * @mapping_type: mapping type
210 */
211struct devlink_dpipe_field {
212 const char *name;
213 unsigned int id;
214 unsigned int bitwidth;
215 enum devlink_dpipe_field_mapping_type mapping_type;
216};
217
218/**
219 * struct devlink_dpipe_header - dpipe header object
220 * @name: header name
221 * @id: index, global/local detrmined by global bit
222 * @fields: fields
223 * @fields_count: number of fields
224 * @global: indicates if header is shared like most protocol header
225 * or driver specific
226 */
227struct devlink_dpipe_header {
228 const char *name;
229 unsigned int id;
230 struct devlink_dpipe_field *fields;
231 unsigned int fields_count;
232 bool global;
233};
234
235/**
236 * struct devlink_dpipe_match - represents match operation
237 * @type: type of match
238 * @header_index: header index (packets can have several headers of same
239 * type like in case of tunnels)
240 * @header: header
241 * @fieled_id: field index
242 */
243struct devlink_dpipe_match {
244 enum devlink_dpipe_match_type type;
245 unsigned int header_index;
246 struct devlink_dpipe_header *header;
247 unsigned int field_id;
248};
249
250/**
251 * struct devlink_dpipe_action - represents action operation
252 * @type: type of action
253 * @header_index: header index (packets can have several headers of same
254 * type like in case of tunnels)
255 * @header: header
256 * @fieled_id: field index
257 */
258struct devlink_dpipe_action {
259 enum devlink_dpipe_action_type type;
260 unsigned int header_index;
261 struct devlink_dpipe_header *header;
262 unsigned int field_id;
263};
264
265/**
266 * struct devlink_dpipe_value - represents value of match/action
267 * @action: action
268 * @match: match
269 * @mapping_value: in case the field has some mapping this value
270 * specified the mapping value
271 * @mapping_valid: specify if mapping value is valid
272 * @value_size: value size
273 * @value: value
274 * @mask: bit mask
275 */
276struct devlink_dpipe_value {
277 union {
278 struct devlink_dpipe_action *action;
279 struct devlink_dpipe_match *match;
280 };
281 unsigned int mapping_value;
282 bool mapping_valid;
283 unsigned int value_size;
284 void *value;
285 void *mask;
286};
287
288/**
289 * struct devlink_dpipe_entry - table entry object
290 * @index: index of the entry in the table
291 * @match_values: match values
292 * @matche_values_count: count of matches tuples
293 * @action_values: actions values
294 * @action_values_count: count of actions values
295 * @counter: value of counter
296 * @counter_valid: Specify if value is valid from hardware
297 */
298struct devlink_dpipe_entry {
299 u64 index;
300 struct devlink_dpipe_value *match_values;
301 unsigned int match_values_count;
302 struct devlink_dpipe_value *action_values;
303 unsigned int action_values_count;
304 u64 counter;
305 bool counter_valid;
306};
307
308/**
309 * struct devlink_dpipe_dump_ctx - context provided to driver in order
310 * to dump
311 * @info: info
312 * @cmd: devlink command
313 * @skb: skb
314 * @nest: top attribute
315 * @hdr: hdr
316 */
317struct devlink_dpipe_dump_ctx {
318 struct genl_info *info;
319 enum devlink_command cmd;
320 struct sk_buff *skb;
321 struct nlattr *nest;
322 void *hdr;
323};
324
325struct devlink_dpipe_table_ops;
326
327/**
328 * struct devlink_dpipe_table - table object
329 * @priv: private
330 * @name: table name
1555d204
AS		 331 * @counters_enabled: indicates if counters are active
332 * @counter_control_extern: indicates if counter control is in dpipe or
333 * external tool
56dc7cd0
AS		 334 * @resource_valid: Indicate that the resource id is valid
335 * @resource_id: relative resource this table is related to
336 * @resource_units: number of resource's unit consumed per table's entry
1555d204
AS		 337 * @table_ops: table operations
338 * @rcu: rcu
339 */
340struct devlink_dpipe_table {
341 void *priv;
342 struct list_head list;
343 const char *name;
1555d204
AS		 344 bool counters_enabled;
345 bool counter_control_extern;
56dc7cd0
AS		 346 bool resource_valid;
347 u64 resource_id;
348 u64 resource_units;
1555d204
AS		 349 struct devlink_dpipe_table_ops *table_ops;
350 struct rcu_head rcu;
351};
352
353/**
354 * struct devlink_dpipe_table_ops - dpipe_table ops
355 * @actions_dump - dumps all tables actions
356 * @matches_dump - dumps all tables matches
357 * @entries_dump - dumps all active entries in the table
358 * @counters_set_update - when changing the counter status hardware sync
359 * maybe needed to allocate/free counter related
360 * resources
ffd3cdcc 361 * @size_get - get size
1555d204
AS		 362 */
363struct devlink_dpipe_table_ops {
364 int (*actions_dump)(void *priv, struct sk_buff *skb);
365 int (*matches_dump)(void *priv, struct sk_buff *skb);
366 int (*entries_dump)(void *priv, bool counters_enabled,
367 struct devlink_dpipe_dump_ctx *dump_ctx);
368 int (*counters_set_update)(void *priv, bool enable);
ffd3cdcc 369 u64 (*size_get)(void *priv);
1555d204
AS		 370};
371
372/**
373 * struct devlink_dpipe_headers - dpipe headers
374 * @headers - header array can be shared (global bit) or driver specific
375 * @headers_count - count of headers
376 */
377struct devlink_dpipe_headers {
378 struct devlink_dpipe_header **headers;
379 unsigned int headers_count;
380};
381
d9f9b9a4
AS		 382/**
383 * struct devlink_resource_size_params - resource's size parameters
384 * @size_min: minimum size which can be set
385 * @size_max: maximum size which can be set
386 * @size_granularity: size granularity
387 * @size_unit: resource's basic unit
388 */
389struct devlink_resource_size_params {
390 u64 size_min;
391 u64 size_max;
392 u64 size_granularity;
393 enum devlink_resource_unit unit;
394};
395
77d27096
JP		 396static inline void
397devlink_resource_size_params_init(struct devlink_resource_size_params *size_params,
398 u64 size_min, u64 size_max,
399 u64 size_granularity,
400 enum devlink_resource_unit unit)
401{
402 size_params->size_min = size_min;
403 size_params->size_max = size_max;
404 size_params->size_granularity = size_granularity;
405 size_params->unit = unit;
406}
407
fc56be47
JP		 408typedef u64 devlink_resource_occ_get_t(void *priv);
409
d9f9b9a4
AS		 410#define DEVLINK_RESOURCE_ID_PARENT_TOP 0
411
321f7ab0
DR		 412#define DEVLINK_RESOURCE_GENERIC_NAME_PORTS "physical_ports"
413
bde74ad1 414#define __DEVLINK_PARAM_MAX_STRING_VALUE 32
eabaef18
MS		 415enum devlink_param_type {
416 DEVLINK_PARAM_TYPE_U8,
417 DEVLINK_PARAM_TYPE_U16,
418 DEVLINK_PARAM_TYPE_U32,
419 DEVLINK_PARAM_TYPE_STRING,
420 DEVLINK_PARAM_TYPE_BOOL,
421};
422
423union devlink_param_value {
424 u8 vu8;
425 u16 vu16;
426 u32 vu32;
bde74ad1 427 char vstr[__DEVLINK_PARAM_MAX_STRING_VALUE];
eabaef18
MS		 428 bool vbool;
429};
430
431struct devlink_param_gset_ctx {
432 union devlink_param_value val;
433 enum devlink_param_cmode cmode;
434};
435
6700acc5
SN		 436/**
437 * struct devlink_flash_notify - devlink dev flash notify data
438 * @status_msg: current status string
439 * @component: firmware component being updated
440 * @done: amount of work completed of total amount
441 * @total: amount of work expected to be done
442 * @timeout: expected max timeout in seconds
443 *
444 * These are values to be given to userland to be displayed in order
445 * to show current activity in a firmware update process.
446 */
447struct devlink_flash_notify {
448 const char *status_msg;
449 const char *component;
450 unsigned long done;
451 unsigned long total;
452 unsigned long timeout;
453};
454
eabaef18
MS		 455/**
456 * struct devlink_param - devlink configuration parameter data
457 * @name: name of the parameter
458 * @generic: indicates if the parameter is generic or driver specific
459 * @type: parameter type
460 * @supported_cmodes: bitmap of supported configuration modes
461 * @get: get parameter value, used for runtime and permanent
462 * configuration modes
463 * @set: set parameter value, used for runtime and permanent
464 * configuration modes
e3b7ca18 465 * @validate: validate input value is applicable (within value range, etc.)
eabaef18
MS		 466 *
467 * This struct should be used by the driver to fill the data for
468 * a parameter it registers.
469 */
470struct devlink_param {
471 u32 id;
472 const char *name;
473 bool generic;
474 enum devlink_param_type type;
475 unsigned long supported_cmodes;
476 int (*get)(struct devlink *devlink, u32 id,
477 struct devlink_param_gset_ctx *ctx);
478 int (*set)(struct devlink *devlink, u32 id,
479 struct devlink_param_gset_ctx *ctx);
e3b7ca18
MS		 480 int (*validate)(struct devlink *devlink, u32 id,
481 union devlink_param_value val,
482 struct netlink_ext_ack *extack);
eabaef18
MS		 483};
484
485struct devlink_param_item {
486 struct list_head list;
487 const struct devlink_param *param;
488 union devlink_param_value driverinit_value;
489 bool driverinit_value_valid;
490};
491
492enum devlink_param_generic_id {
036467c3
MS		 493 DEVLINK_PARAM_GENERIC_ID_INT_ERR_RESET,
494 DEVLINK_PARAM_GENERIC_ID_MAX_MACS,
f567bcda 495 DEVLINK_PARAM_GENERIC_ID_ENABLE_SRIOV,
f6a69885 496 DEVLINK_PARAM_GENERIC_ID_REGION_SNAPSHOT,
e3b51061 497 DEVLINK_PARAM_GENERIC_ID_IGNORE_ARI,
f61cba42 498 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX,
16511789 499 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN,
846e980a 500 DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY,
5bbd21df 501 DEVLINK_PARAM_GENERIC_ID_RESET_DEV_ON_DRV_PROBE,
6c7295e1 502 DEVLINK_PARAM_GENERIC_ID_ENABLE_ROCE,
195d9dec 503 DEVLINK_PARAM_GENERIC_ID_ENABLE_REMOTE_DEV_RESET,
f13a5ad8 504 DEVLINK_PARAM_GENERIC_ID_ENABLE_ETH,
8ddaabee 505 DEVLINK_PARAM_GENERIC_ID_ENABLE_RDMA,
076b2a9d 506 DEVLINK_PARAM_GENERIC_ID_ENABLE_VNET,
325e0d0a 507 DEVLINK_PARAM_GENERIC_ID_ENABLE_IWARP,
47402385 508 DEVLINK_PARAM_GENERIC_ID_IO_EQ_SIZE,
0b5705eb 509 DEVLINK_PARAM_GENERIC_ID_EVENT_EQ_SIZE,
eabaef18
MS		 510
511 /* add new param generic ids above here*/
512 __DEVLINK_PARAM_GENERIC_ID_MAX,
513 DEVLINK_PARAM_GENERIC_ID_MAX = __DEVLINK_PARAM_GENERIC_ID_MAX - 1,
514};
515
036467c3
MS		 516#define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_NAME "internal_error_reset"
517#define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL
518
519#define DEVLINK_PARAM_GENERIC_MAX_MACS_NAME "max_macs"
520#define DEVLINK_PARAM_GENERIC_MAX_MACS_TYPE DEVLINK_PARAM_TYPE_U32
521
f567bcda
VV		 522#define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_NAME "enable_sriov"
523#define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_TYPE DEVLINK_PARAM_TYPE_BOOL
524
f6a69885
AV		 525#define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_NAME "region_snapshot_enable"
526#define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_TYPE DEVLINK_PARAM_TYPE_BOOL
527
e3b51061
VV		 528#define DEVLINK_PARAM_GENERIC_IGNORE_ARI_NAME "ignore_ari"
529#define DEVLINK_PARAM_GENERIC_IGNORE_ARI_TYPE DEVLINK_PARAM_TYPE_BOOL
530
f61cba42
VV		 531#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_NAME "msix_vec_per_pf_max"
532#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_TYPE DEVLINK_PARAM_TYPE_U32
533
16511789
VV		 534#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_NAME "msix_vec_per_pf_min"
535#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_TYPE DEVLINK_PARAM_TYPE_U32
536
846e980a
ST		 537#define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_NAME "fw_load_policy"
538#define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_TYPE DEVLINK_PARAM_TYPE_U8
539
5bbd21df
DM		 540#define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_NAME \
541 "reset_dev_on_drv_probe"
542#define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_TYPE DEVLINK_PARAM_TYPE_U8
543
6c7295e1
MG		 544#define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_NAME "enable_roce"
545#define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_TYPE DEVLINK_PARAM_TYPE_BOOL
546
195d9dec
MS		 547#define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_NAME "enable_remote_dev_reset"
548#define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL
549
f13a5ad8
PP		 550#define DEVLINK_PARAM_GENERIC_ENABLE_ETH_NAME "enable_eth"
551#define DEVLINK_PARAM_GENERIC_ENABLE_ETH_TYPE DEVLINK_PARAM_TYPE_BOOL
552
8ddaabee
PP		 553#define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_NAME "enable_rdma"
554#define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_TYPE DEVLINK_PARAM_TYPE_BOOL
555
076b2a9d
PP		 556#define DEVLINK_PARAM_GENERIC_ENABLE_VNET_NAME "enable_vnet"
557#define DEVLINK_PARAM_GENERIC_ENABLE_VNET_TYPE DEVLINK_PARAM_TYPE_BOOL
558
325e0d0a
SS		 559#define DEVLINK_PARAM_GENERIC_ENABLE_IWARP_NAME "enable_iwarp"
560#define DEVLINK_PARAM_GENERIC_ENABLE_IWARP_TYPE DEVLINK_PARAM_TYPE_BOOL
561
47402385
SD		 562#define DEVLINK_PARAM_GENERIC_IO_EQ_SIZE_NAME "io_eq_size"
563#define DEVLINK_PARAM_GENERIC_IO_EQ_SIZE_TYPE DEVLINK_PARAM_TYPE_U32
564
0b5705eb
SD		 565#define DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_NAME "event_eq_size"
566#define DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_TYPE DEVLINK_PARAM_TYPE_U32
567
036467c3
MS		 568#define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate) \
569{ \
570 .id = DEVLINK_PARAM_GENERIC_ID_##_id, \
571 .name = DEVLINK_PARAM_GENERIC_##_id##_NAME, \
572 .type = DEVLINK_PARAM_GENERIC_##_id##_TYPE, \
573 .generic = true, \
574 .supported_cmodes = _cmodes, \
575 .get = _get, \
576 .set = _set, \
577 .validate = _validate, \
578}
579
580#define DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, _get, _set, _validate) \
581{ \
582 .id = _id, \
583 .name = _name, \
584 .type = _type, \
585 .supported_cmodes = _cmodes, \
586 .get = _get, \
587 .set = _set, \
588 .validate = _validate, \
589}
590
785bd550
JK		 591/* Part number, identifier of board design */
592#define DEVLINK_INFO_VERSION_GENERIC_BOARD_ID "board.id"
593/* Revision of board design */
594#define DEVLINK_INFO_VERSION_GENERIC_BOARD_REV "board.rev"
14fd1901
JK		 595/* Maker of the board */
596#define DEVLINK_INFO_VERSION_GENERIC_BOARD_MANUFACTURE "board.manufacture"
785bd550 597
7d5aa9a5
SN		 598/* Part number, identifier of asic design */
599#define DEVLINK_INFO_VERSION_GENERIC_ASIC_ID "asic.id"
600/* Revision of asic design */
601#define DEVLINK_INFO_VERSION_GENERIC_ASIC_REV "asic.rev"
602
603/* Overall FW version */
604#define DEVLINK_INFO_VERSION_GENERIC_FW "fw"
785bd550
JK		 605/* Control processor FW version */
606#define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT "fw.mgmt"
2d9eade8
VV		 607/* FW interface specification version */
608#define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT_API "fw.mgmt.api"
785bd550
JK		 609/* Data path microcode controlling high-speed packet processing */
610#define DEVLINK_INFO_VERSION_GENERIC_FW_APP "fw.app"
611/* UNDI software version */
612#define DEVLINK_INFO_VERSION_GENERIC_FW_UNDI "fw.undi"
613/* NCSI support/handler version */
614#define DEVLINK_INFO_VERSION_GENERIC_FW_NCSI "fw.ncsi"
468672b2
JK		 615/* FW parameter set id */
616#define DEVLINK_INFO_VERSION_GENERIC_FW_PSID "fw.psid"
41c0d917
VV		 617/* RoCE FW version */
618#define DEVLINK_INFO_VERSION_GENERIC_FW_ROCE "fw.roce"
c90977a3
JK		 619/* Firmware bundle identifier */
620#define DEVLINK_INFO_VERSION_GENERIC_FW_BUNDLE_ID "fw.bundle_id"
785bd550 621
bc75c054
JK		 622/**
623 * struct devlink_flash_update_params - Flash Update parameters
b44cfd4f 624 * @fw: pointer to the firmware data to update from
bc75c054
JK		 625 * @component: the flash component to update
626 *
b44cfd4f 627 * With the exception of fw, drivers must opt-in to parameters by
bc75c054
JK		 628 * setting the appropriate bit in the supported_flash_update_params field in
629 * their devlink_ops structure.
630 */
631struct devlink_flash_update_params {
b44cfd4f 632 const struct firmware *fw;
bc75c054 633 const char *component;
5d5b4128 634 u32 overwrite_mask;
bc75c054
JK		 635};
636
f94b6063 637#define DEVLINK_SUPPORT_FLASH_UPDATE_OVERWRITE_MASK BIT(0)
22ec3d23 638
b16ebe92 639struct devlink_region;
c4a67a21 640struct devlink_info_req;
b16ebe92 641
e8937681
JK		 642/**
643 * struct devlink_region_ops - Region operations
644 * @name: region name
a0a09f6b 645 * @destructor: callback used to free snapshot memory when deleting
b9a17abf
JK		 646 * @snapshot: callback to request an immediate snapshot. On success,
647 * the data variable must be updated to point to the snapshot data.
648 * The function will be called while the devlink instance lock is
649 * held.
e14e05e7 650 * @priv: Pointer to driver private data for the region operation
e8937681
JK		 651 */
652struct devlink_region_ops {
653 const char *name;
a0a09f6b 654 void (*destructor)(const void *data);
d4602a9f
AL		 655 int (*snapshot)(struct devlink *devlink,
656 const struct devlink_region_ops *ops,
657 struct netlink_ext_ack *extack,
b9a17abf 658 u8 **data);
e14e05e7 659 void *priv;
e8937681
JK		 660};
661
544e7c33
AL		 662/**
663 * struct devlink_port_region_ops - Region operations for a port
664 * @name: region name
665 * @destructor: callback used to free snapshot memory when deleting
666 * @snapshot: callback to request an immediate snapshot. On success,
667 * the data variable must be updated to point to the snapshot data.
668 * The function will be called while the devlink instance lock is
669 * held.
670 * @priv: Pointer to driver private data for the region operation
671 */
672struct devlink_port_region_ops {
673 const char *name;
674 void (*destructor)(const void *data);
675 int (*snapshot)(struct devlink_port *port,
676 const struct devlink_port_region_ops *ops,
677 struct netlink_ext_ack *extack,
678 u8 **data);
679 void *priv;
680};
681
1db64e87 682struct devlink_fmsg;
a0bdcc59
EBE		 683struct devlink_health_reporter;
684
3167b27a
EBE		 685enum devlink_health_reporter_state {
686 DEVLINK_HEALTH_REPORTER_STATE_HEALTHY,
687 DEVLINK_HEALTH_REPORTER_STATE_ERROR,
688};
689
a0bdcc59
EBE		 690/**
691 * struct devlink_health_reporter_ops - Reporter operations
692 * @name: reporter name
693 * @recover: callback to recover from reported error
694 * if priv_ctx is NULL, run a full recover
695 * @dump: callback to dump an object
696 * if priv_ctx is NULL, run a full dump
697 * @diagnose: callback to diagnose the current status
e2ce94dc 698 * @test: callback to trigger a test event
a0bdcc59
EBE		 699 */
700
701struct devlink_health_reporter_ops {
702 char *name;
703 int (*recover)(struct devlink_health_reporter *reporter,
e7a98105 704 void *priv_ctx, struct netlink_ext_ack *extack);
a0bdcc59 705 int (*dump)(struct devlink_health_reporter *reporter,
e7a98105
JP		 706 struct devlink_fmsg *fmsg, void *priv_ctx,
707 struct netlink_ext_ack *extack);
a0bdcc59 708 int (*diagnose)(struct devlink_health_reporter *reporter,
e7a98105
JP		 709 struct devlink_fmsg *fmsg,
710 struct netlink_ext_ack *extack);
e2ce94dc
JP		 711 int (*test)(struct devlink_health_reporter *reporter,
712 struct netlink_ext_ack *extack);
a0bdcc59 713};
1db64e87 714
5b88823b
IS		 715/**
716 * struct devlink_trap_metadata - Packet trap metadata.
717 * @trap_name: Trap name.
718 * @trap_group_name: Trap group name.
719 * @input_dev: Input netdevice.
4dbd24f6 720 * @dev_tracker: refcount tracker for @input_dev.
5b88823b 721 * @fa_cookie: Flow action user cookie.
93e15596 722 * @trap_type: Trap type.
5b88823b
IS		 723 */
724struct devlink_trap_metadata {
725 const char *trap_name;
726 const char *trap_group_name;
4dbd24f6 727
5b88823b 728 struct net_device *input_dev;
4dbd24f6
ED		 729 netdevice_tracker dev_tracker;
730
5b88823b 731 const struct flow_action_cookie *fa_cookie;
93e15596 732 enum devlink_trap_type trap_type;
5b88823b
IS		 733};
734
1e8c6619
IS		 735/**
736 * struct devlink_trap_policer - Immutable packet trap policer attributes.
737 * @id: Policer identifier.
738 * @init_rate: Initial rate in packets / sec.
739 * @init_burst: Initial burst size in packets.
740 * @max_rate: Maximum rate.
741 * @min_rate: Minimum rate.
742 * @max_burst: Maximum burst size.
743 * @min_burst: Minimum burst size.
744 *
745 * Describes immutable attributes of packet trap policers that drivers register
746 * with devlink.
747 */
748struct devlink_trap_policer {
749 u32 id;
750 u64 init_rate;
751 u64 init_burst;
752 u64 max_rate;
753 u64 min_rate;
754 u64 max_burst;
755 u64 min_burst;
756};
757
0f420b6c
IS		 758/**
759 * struct devlink_trap_group - Immutable packet trap group attributes.
760 * @name: Trap group name.
761 * @id: Trap group identifier.
762 * @generic: Whether the trap group is generic or not.
f9f54392 763 * @init_policer_id: Initial policer identifier.
0f420b6c
IS		 764 *
765 * Describes immutable attributes of packet trap groups that drivers register
766 * with devlink.
767 */
768struct devlink_trap_group {
769 const char *name;
770 u16 id;
771 bool generic;
f9f54392 772 u32 init_policer_id;
0f420b6c
IS		 773};
774
775#define DEVLINK_TRAP_METADATA_TYPE_F_IN_PORT BIT(0)
85b0589e 776#define DEVLINK_TRAP_METADATA_TYPE_F_FA_COOKIE BIT(1)
0f420b6c
IS		 777
778/**
779 * struct devlink_trap - Immutable packet trap attributes.
780 * @type: Trap type.
781 * @init_action: Initial trap action.
782 * @generic: Whether the trap is generic or not.
783 * @id: Trap identifier.
784 * @name: Trap name.
107f1678 785 * @init_group_id: Initial group identifier.
0f420b6c
IS		 786 * @metadata_cap: Metadata types that can be provided by the trap.
787 *
788 * Describes immutable attributes of packet traps that drivers register with
789 * devlink.
790 */
791struct devlink_trap {
792 enum devlink_trap_type type;
793 enum devlink_trap_action init_action;
794 bool generic;
795 u16 id;
796 const char *name;
107f1678 797 u16 init_group_id;
0f420b6c
IS		 798 u32 metadata_cap;
799};
800
f3047ca0 801/* All traps must be documented in
f4bdd710 802 * Documentation/networking/devlink/devlink-trap.rst
f3047ca0 803 */
0f420b6c 804enum devlink_trap_generic_id {
391203ab
IS		 805 DEVLINK_TRAP_GENERIC_ID_SMAC_MC,
806 DEVLINK_TRAP_GENERIC_ID_VLAN_TAG_MISMATCH,
807 DEVLINK_TRAP_GENERIC_ID_INGRESS_VLAN_FILTER,
808 DEVLINK_TRAP_GENERIC_ID_INGRESS_STP_FILTER,
809 DEVLINK_TRAP_GENERIC_ID_EMPTY_TX_LIST,
810 DEVLINK_TRAP_GENERIC_ID_PORT_LOOPBACK_FILTER,
811 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_ROUTE,
812 DEVLINK_TRAP_GENERIC_ID_TTL_ERROR,
813 DEVLINK_TRAP_GENERIC_ID_TAIL_DROP,
6896cc4d
AC		 814 DEVLINK_TRAP_GENERIC_ID_NON_IP_PACKET,
815 DEVLINK_TRAP_GENERIC_ID_UC_DIP_MC_DMAC,
816 DEVLINK_TRAP_GENERIC_ID_DIP_LB,
817 DEVLINK_TRAP_GENERIC_ID_SIP_MC,
818 DEVLINK_TRAP_GENERIC_ID_SIP_LB,
819 DEVLINK_TRAP_GENERIC_ID_CORRUPTED_IP_HDR,
820 DEVLINK_TRAP_GENERIC_ID_IPV4_SIP_BC,
821 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_RESERVED_SCOPE,
822 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE,
3b063ae5
AC		 823 DEVLINK_TRAP_GENERIC_ID_MTU_ERROR,
824 DEVLINK_TRAP_GENERIC_ID_UNRESOLVED_NEIGH,
825 DEVLINK_TRAP_GENERIC_ID_RPF,
826 DEVLINK_TRAP_GENERIC_ID_REJECT_ROUTE,
827 DEVLINK_TRAP_GENERIC_ID_IPV4_LPM_UNICAST_MISS,
828 DEVLINK_TRAP_GENERIC_ID_IPV6_LPM_UNICAST_MISS,
95f0ead8 829 DEVLINK_TRAP_GENERIC_ID_NON_ROUTABLE,
13c056ec 830 DEVLINK_TRAP_GENERIC_ID_DECAP_ERROR,
c3cae491 831 DEVLINK_TRAP_GENERIC_ID_OVERLAY_SMAC_MC,
ecd942a0
JP		 832 DEVLINK_TRAP_GENERIC_ID_INGRESS_FLOW_ACTION_DROP,
833 DEVLINK_TRAP_GENERIC_ID_EGRESS_FLOW_ACTION_DROP,
515eac67
IS		 834 DEVLINK_TRAP_GENERIC_ID_STP,
835 DEVLINK_TRAP_GENERIC_ID_LACP,
836 DEVLINK_TRAP_GENERIC_ID_LLDP,
837 DEVLINK_TRAP_GENERIC_ID_IGMP_QUERY,
838 DEVLINK_TRAP_GENERIC_ID_IGMP_V1_REPORT,
839 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_REPORT,
840 DEVLINK_TRAP_GENERIC_ID_IGMP_V3_REPORT,
841 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_LEAVE,
842 DEVLINK_TRAP_GENERIC_ID_MLD_QUERY,
843 DEVLINK_TRAP_GENERIC_ID_MLD_V1_REPORT,
844 DEVLINK_TRAP_GENERIC_ID_MLD_V2_REPORT,
845 DEVLINK_TRAP_GENERIC_ID_MLD_V1_DONE,
d77cfd16
IS		 846 DEVLINK_TRAP_GENERIC_ID_IPV4_DHCP,
847 DEVLINK_TRAP_GENERIC_ID_IPV6_DHCP,
848 DEVLINK_TRAP_GENERIC_ID_ARP_REQUEST,
849 DEVLINK_TRAP_GENERIC_ID_ARP_RESPONSE,
850 DEVLINK_TRAP_GENERIC_ID_ARP_OVERLAY,
851 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_SOLICIT,
852 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_ADVERT,
853 DEVLINK_TRAP_GENERIC_ID_IPV4_BFD,
854 DEVLINK_TRAP_GENERIC_ID_IPV6_BFD,
855 DEVLINK_TRAP_GENERIC_ID_IPV4_OSPF,
856 DEVLINK_TRAP_GENERIC_ID_IPV6_OSPF,
857 DEVLINK_TRAP_GENERIC_ID_IPV4_BGP,
858 DEVLINK_TRAP_GENERIC_ID_IPV6_BGP,
859 DEVLINK_TRAP_GENERIC_ID_IPV4_VRRP,
860 DEVLINK_TRAP_GENERIC_ID_IPV6_VRRP,
861 DEVLINK_TRAP_GENERIC_ID_IPV4_PIM,
862 DEVLINK_TRAP_GENERIC_ID_IPV6_PIM,
863 DEVLINK_TRAP_GENERIC_ID_UC_LB,
864 DEVLINK_TRAP_GENERIC_ID_LOCAL_ROUTE,
865 DEVLINK_TRAP_GENERIC_ID_EXTERNAL_ROUTE,
866 DEVLINK_TRAP_GENERIC_ID_IPV6_UC_DIP_LINK_LOCAL_SCOPE,
867 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_NODES,
868 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_ROUTERS,
869 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_SOLICIT,
870 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ADVERT,
871 DEVLINK_TRAP_GENERIC_ID_IPV6_REDIRECT,
872 DEVLINK_TRAP_GENERIC_ID_IPV4_ROUTER_ALERT,
873 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ALERT,
874 DEVLINK_TRAP_GENERIC_ID_PTP_EVENT,
875 DEVLINK_TRAP_GENERIC_ID_PTP_GENERAL,
5eb18a2b
IS		 876 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_SAMPLE,
877 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_TRAP,
08e335f6 878 DEVLINK_TRAP_GENERIC_ID_EARLY_DROP,
10c24eb2
IC		 879 DEVLINK_TRAP_GENERIC_ID_VXLAN_PARSING,
880 DEVLINK_TRAP_GENERIC_ID_LLC_SNAP_PARSING,
881 DEVLINK_TRAP_GENERIC_ID_VLAN_PARSING,
882 DEVLINK_TRAP_GENERIC_ID_PPPOE_PPP_PARSING,
883 DEVLINK_TRAP_GENERIC_ID_MPLS_PARSING,
884 DEVLINK_TRAP_GENERIC_ID_ARP_PARSING,
885 DEVLINK_TRAP_GENERIC_ID_IP_1_PARSING,
886 DEVLINK_TRAP_GENERIC_ID_IP_N_PARSING,
887 DEVLINK_TRAP_GENERIC_ID_GRE_PARSING,
888 DEVLINK_TRAP_GENERIC_ID_UDP_PARSING,
889 DEVLINK_TRAP_GENERIC_ID_TCP_PARSING,
890 DEVLINK_TRAP_GENERIC_ID_IPSEC_PARSING,
891 DEVLINK_TRAP_GENERIC_ID_SCTP_PARSING,
892 DEVLINK_TRAP_GENERIC_ID_DCCP_PARSING,
893 DEVLINK_TRAP_GENERIC_ID_GTP_PARSING,
894 DEVLINK_TRAP_GENERIC_ID_ESP_PARSING,
f0a5013e 895 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_NEXTHOP,
e78ab164 896 DEVLINK_TRAP_GENERIC_ID_DMAC_FILTER,
391203ab 897
0f420b6c
IS		 898 /* Add new generic trap IDs above */
899 __DEVLINK_TRAP_GENERIC_ID_MAX,
900 DEVLINK_TRAP_GENERIC_ID_MAX = __DEVLINK_TRAP_GENERIC_ID_MAX - 1,
901};
902
f3047ca0 903/* All trap groups must be documented in
f4bdd710 904 * Documentation/networking/devlink/devlink-trap.rst
f3047ca0 905 */
0f420b6c 906enum devlink_trap_group_generic_id {
391203ab
IS		 907 DEVLINK_TRAP_GROUP_GENERIC_ID_L2_DROPS,
908 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_DROPS,
678eb199 909 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_EXCEPTIONS,
391203ab 910 DEVLINK_TRAP_GROUP_GENERIC_ID_BUFFER_DROPS,
13c056ec 911 DEVLINK_TRAP_GROUP_GENERIC_ID_TUNNEL_DROPS,
ecd942a0 912 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_DROPS,
515eac67
IS		 913 DEVLINK_TRAP_GROUP_GENERIC_ID_STP,
914 DEVLINK_TRAP_GROUP_GENERIC_ID_LACP,
915 DEVLINK_TRAP_GROUP_GENERIC_ID_LLDP,
916 DEVLINK_TRAP_GROUP_GENERIC_ID_MC_SNOOPING,
d77cfd16
IS		 917 DEVLINK_TRAP_GROUP_GENERIC_ID_DHCP,
918 DEVLINK_TRAP_GROUP_GENERIC_ID_NEIGH_DISCOVERY,
919 DEVLINK_TRAP_GROUP_GENERIC_ID_BFD,
920 DEVLINK_TRAP_GROUP_GENERIC_ID_OSPF,
921 DEVLINK_TRAP_GROUP_GENERIC_ID_BGP,
922 DEVLINK_TRAP_GROUP_GENERIC_ID_VRRP,
923 DEVLINK_TRAP_GROUP_GENERIC_ID_PIM,
924 DEVLINK_TRAP_GROUP_GENERIC_ID_UC_LB,
925 DEVLINK_TRAP_GROUP_GENERIC_ID_LOCAL_DELIVERY,
ec4f5b36 926 DEVLINK_TRAP_GROUP_GENERIC_ID_EXTERNAL_DELIVERY,
d77cfd16
IS		 927 DEVLINK_TRAP_GROUP_GENERIC_ID_IPV6,
928 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_EVENT,
929 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_GENERAL,
5eb18a2b
IS		 930 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_SAMPLE,
931 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_TRAP,
10c24eb2 932 DEVLINK_TRAP_GROUP_GENERIC_ID_PARSER_ERROR_DROPS,
391203ab 933
0f420b6c
IS		 934 /* Add new generic trap group IDs above */
935 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX,
936 DEVLINK_TRAP_GROUP_GENERIC_ID_MAX =
937 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX - 1,
938};
939
391203ab
IS		 940#define DEVLINK_TRAP_GENERIC_NAME_SMAC_MC \
941 "source_mac_is_multicast"
942#define DEVLINK_TRAP_GENERIC_NAME_VLAN_TAG_MISMATCH \
943 "vlan_tag_mismatch"
944#define DEVLINK_TRAP_GENERIC_NAME_INGRESS_VLAN_FILTER \
945 "ingress_vlan_filter"
946#define DEVLINK_TRAP_GENERIC_NAME_INGRESS_STP_FILTER \
947 "ingress_spanning_tree_filter"
948#define DEVLINK_TRAP_GENERIC_NAME_EMPTY_TX_LIST \
949 "port_list_is_empty"
950#define DEVLINK_TRAP_GENERIC_NAME_PORT_LOOPBACK_FILTER \
951 "port_loopback_filter"
952#define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_ROUTE \
953 "blackhole_route"
954#define DEVLINK_TRAP_GENERIC_NAME_TTL_ERROR \
955 "ttl_value_is_too_small"
956#define DEVLINK_TRAP_GENERIC_NAME_TAIL_DROP \
957 "tail_drop"
6896cc4d
AC		 958#define DEVLINK_TRAP_GENERIC_NAME_NON_IP_PACKET \
959 "non_ip"
960#define DEVLINK_TRAP_GENERIC_NAME_UC_DIP_MC_DMAC \
961 "uc_dip_over_mc_dmac"
962#define DEVLINK_TRAP_GENERIC_NAME_DIP_LB \
963 "dip_is_loopback_address"
964#define DEVLINK_TRAP_GENERIC_NAME_SIP_MC \
965 "sip_is_mc"
966#define DEVLINK_TRAP_GENERIC_NAME_SIP_LB \
967 "sip_is_loopback_address"
968#define DEVLINK_TRAP_GENERIC_NAME_CORRUPTED_IP_HDR \
969 "ip_header_corrupted"
970#define DEVLINK_TRAP_GENERIC_NAME_IPV4_SIP_BC \
971 "ipv4_sip_is_limited_bc"
972#define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_RESERVED_SCOPE \
973 "ipv6_mc_dip_reserved_scope"
974#define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE \
975 "ipv6_mc_dip_interface_local_scope"
3b063ae5
AC		 976#define DEVLINK_TRAP_GENERIC_NAME_MTU_ERROR \
977 "mtu_value_is_too_small"
978#define DEVLINK_TRAP_GENERIC_NAME_UNRESOLVED_NEIGH \
979 "unresolved_neigh"
980#define DEVLINK_TRAP_GENERIC_NAME_RPF \
981 "mc_reverse_path_forwarding"
982#define DEVLINK_TRAP_GENERIC_NAME_REJECT_ROUTE \
983 "reject_route"
984#define DEVLINK_TRAP_GENERIC_NAME_IPV4_LPM_UNICAST_MISS \
985 "ipv4_lpm_miss"
986#define DEVLINK_TRAP_GENERIC_NAME_IPV6_LPM_UNICAST_MISS \
987 "ipv6_lpm_miss"
95f0ead8
AC		 988#define DEVLINK_TRAP_GENERIC_NAME_NON_ROUTABLE \
989 "non_routable_packet"
13c056ec
AC		 990#define DEVLINK_TRAP_GENERIC_NAME_DECAP_ERROR \
991 "decap_error"
c3cae491
AC		 992#define DEVLINK_TRAP_GENERIC_NAME_OVERLAY_SMAC_MC \
993 "overlay_smac_is_mc"
ecd942a0
JP		 994#define DEVLINK_TRAP_GENERIC_NAME_INGRESS_FLOW_ACTION_DROP \
995 "ingress_flow_action_drop"
996#define DEVLINK_TRAP_GENERIC_NAME_EGRESS_FLOW_ACTION_DROP \
997 "egress_flow_action_drop"
515eac67
IS		 998#define DEVLINK_TRAP_GENERIC_NAME_STP \
999 "stp"
1000#define DEVLINK_TRAP_GENERIC_NAME_LACP \
1001 "lacp"
1002#define DEVLINK_TRAP_GENERIC_NAME_LLDP \
1003 "lldp"
1004#define DEVLINK_TRAP_GENERIC_NAME_IGMP_QUERY \
1005 "igmp_query"
1006#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V1_REPORT \
1007 "igmp_v1_report"
1008#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_REPORT \
1009 "igmp_v2_report"
1010#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V3_REPORT \
1011 "igmp_v3_report"
1012#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_LEAVE \
1013 "igmp_v2_leave"
1014#define DEVLINK_TRAP_GENERIC_NAME_MLD_QUERY \
1015 "mld_query"
1016#define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_REPORT \
1017 "mld_v1_report"
1018#define DEVLINK_TRAP_GENERIC_NAME_MLD_V2_REPORT \
1019 "mld_v2_report"
1020#define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_DONE \
1021 "mld_v1_done"
d77cfd16
IS		 1022#define DEVLINK_TRAP_GENERIC_NAME_IPV4_DHCP \
1023 "ipv4_dhcp"
1024#define DEVLINK_TRAP_GENERIC_NAME_IPV6_DHCP \
1025 "ipv6_dhcp"
1026#define DEVLINK_TRAP_GENERIC_NAME_ARP_REQUEST \
1027 "arp_request"
1028#define DEVLINK_TRAP_GENERIC_NAME_ARP_RESPONSE \
1029 "arp_response"
1030#define DEVLINK_TRAP_GENERIC_NAME_ARP_OVERLAY \
1031 "arp_overlay"
1032#define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_SOLICIT \
1033 "ipv6_neigh_solicit"
1034#define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_ADVERT \
1035 "ipv6_neigh_advert"
1036#define DEVLINK_TRAP_GENERIC_NAME_IPV4_BFD \
1037 "ipv4_bfd"
1038#define DEVLINK_TRAP_GENERIC_NAME_IPV6_BFD \
1039 "ipv6_bfd"
1040#define DEVLINK_TRAP_GENERIC_NAME_IPV4_OSPF \
1041 "ipv4_ospf"
1042#define DEVLINK_TRAP_GENERIC_NAME_IPV6_OSPF \
1043 "ipv6_ospf"
1044#define DEVLINK_TRAP_GENERIC_NAME_IPV4_BGP \
1045 "ipv4_bgp"
1046#define DEVLINK_TRAP_GENERIC_NAME_IPV6_BGP \
1047 "ipv6_bgp"
1048#define DEVLINK_TRAP_GENERIC_NAME_IPV4_VRRP \
1049 "ipv4_vrrp"
1050#define DEVLINK_TRAP_GENERIC_NAME_IPV6_VRRP \
1051 "ipv6_vrrp"
1052#define DEVLINK_TRAP_GENERIC_NAME_IPV4_PIM \
1053 "ipv4_pim"
1054#define DEVLINK_TRAP_GENERIC_NAME_IPV6_PIM \
1055 "ipv6_pim"
1056#define DEVLINK_TRAP_GENERIC_NAME_UC_LB \
1057 "uc_loopback"
1058#define DEVLINK_TRAP_GENERIC_NAME_LOCAL_ROUTE \
1059 "local_route"
1060#define DEVLINK_TRAP_GENERIC_NAME_EXTERNAL_ROUTE \
1061 "external_route"
1062#define DEVLINK_TRAP_GENERIC_NAME_IPV6_UC_DIP_LINK_LOCAL_SCOPE \
1063 "ipv6_uc_dip_link_local_scope"
1064#define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_NODES \
1065 "ipv6_dip_all_nodes"
1066#define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_ROUTERS \
1067 "ipv6_dip_all_routers"
1068#define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_SOLICIT \
1069 "ipv6_router_solicit"
1070#define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ADVERT \
1071 "ipv6_router_advert"
1072#define DEVLINK_TRAP_GENERIC_NAME_IPV6_REDIRECT \
1073 "ipv6_redirect"
1074#define DEVLINK_TRAP_GENERIC_NAME_IPV4_ROUTER_ALERT \
1075 "ipv4_router_alert"
1076#define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ALERT \
1077 "ipv6_router_alert"
1078#define DEVLINK_TRAP_GENERIC_NAME_PTP_EVENT \
1079 "ptp_event"
1080#define DEVLINK_TRAP_GENERIC_NAME_PTP_GENERAL \
1081 "ptp_general"
5eb18a2b
IS		 1082#define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_SAMPLE \
1083 "flow_action_sample"
1084#define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_TRAP \
1085 "flow_action_trap"
08e335f6
AC		 1086#define DEVLINK_TRAP_GENERIC_NAME_EARLY_DROP \
1087 "early_drop"
10c24eb2
IC		 1088#define DEVLINK_TRAP_GENERIC_NAME_VXLAN_PARSING \
1089 "vxlan_parsing"
1090#define DEVLINK_TRAP_GENERIC_NAME_LLC_SNAP_PARSING \
1091 "llc_snap_parsing"
1092#define DEVLINK_TRAP_GENERIC_NAME_VLAN_PARSING \
1093 "vlan_parsing"
1094#define DEVLINK_TRAP_GENERIC_NAME_PPPOE_PPP_PARSING \
1095 "pppoe_ppp_parsing"
1096#define DEVLINK_TRAP_GENERIC_NAME_MPLS_PARSING \
1097 "mpls_parsing"
1098#define DEVLINK_TRAP_GENERIC_NAME_ARP_PARSING \
1099 "arp_parsing"
1100#define DEVLINK_TRAP_GENERIC_NAME_IP_1_PARSING \
1101 "ip_1_parsing"
1102#define DEVLINK_TRAP_GENERIC_NAME_IP_N_PARSING \
1103 "ip_n_parsing"
1104#define DEVLINK_TRAP_GENERIC_NAME_GRE_PARSING \
1105 "gre_parsing"
1106#define DEVLINK_TRAP_GENERIC_NAME_UDP_PARSING \
1107 "udp_parsing"
1108#define DEVLINK_TRAP_GENERIC_NAME_TCP_PARSING \
1109 "tcp_parsing"
1110#define DEVLINK_TRAP_GENERIC_NAME_IPSEC_PARSING \
1111 "ipsec_parsing"
1112#define DEVLINK_TRAP_GENERIC_NAME_SCTP_PARSING \
1113 "sctp_parsing"
1114#define DEVLINK_TRAP_GENERIC_NAME_DCCP_PARSING \
1115 "dccp_parsing"
1116#define DEVLINK_TRAP_GENERIC_NAME_GTP_PARSING \
1117 "gtp_parsing"
1118#define DEVLINK_TRAP_GENERIC_NAME_ESP_PARSING \
1119 "esp_parsing"
f0a5013e
IS		 1120#define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_NEXTHOP \
1121 "blackhole_nexthop"
e78ab164 1122#define DEVLINK_TRAP_GENERIC_NAME_DMAC_FILTER \
e13e4536 1123 "dmac_filter"
391203ab
IS		 1124
1125#define DEVLINK_TRAP_GROUP_GENERIC_NAME_L2_DROPS \
1126 "l2_drops"
1127#define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_DROPS \
1128 "l3_drops"
678eb199
IS		 1129#define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_EXCEPTIONS \
1130 "l3_exceptions"
391203ab
IS		 1131#define DEVLINK_TRAP_GROUP_GENERIC_NAME_BUFFER_DROPS \
1132 "buffer_drops"
13c056ec
AC		 1133#define DEVLINK_TRAP_GROUP_GENERIC_NAME_TUNNEL_DROPS \
1134 "tunnel_drops"
ecd942a0
JP		 1135#define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_DROPS \
1136 "acl_drops"
515eac67
IS		 1137#define DEVLINK_TRAP_GROUP_GENERIC_NAME_STP \
1138 "stp"
1139#define DEVLINK_TRAP_GROUP_GENERIC_NAME_LACP \
1140 "lacp"
1141#define DEVLINK_TRAP_GROUP_GENERIC_NAME_LLDP \
1142 "lldp"
1143#define DEVLINK_TRAP_GROUP_GENERIC_NAME_MC_SNOOPING \
1144 "mc_snooping"
d77cfd16
IS		 1145#define DEVLINK_TRAP_GROUP_GENERIC_NAME_DHCP \
1146 "dhcp"
1147#define DEVLINK_TRAP_GROUP_GENERIC_NAME_NEIGH_DISCOVERY \
1148 "neigh_discovery"
1149#define DEVLINK_TRAP_GROUP_GENERIC_NAME_BFD \
1150 "bfd"
1151#define DEVLINK_TRAP_GROUP_GENERIC_NAME_OSPF \
1152 "ospf"
1153#define DEVLINK_TRAP_GROUP_GENERIC_NAME_BGP \
1154 "bgp"
1155#define DEVLINK_TRAP_GROUP_GENERIC_NAME_VRRP \
1156 "vrrp"
1157#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PIM \
1158 "pim"
1159#define DEVLINK_TRAP_GROUP_GENERIC_NAME_UC_LB \
1160 "uc_loopback"
1161#define DEVLINK_TRAP_GROUP_GENERIC_NAME_LOCAL_DELIVERY \
1162 "local_delivery"
ec4f5b36
IS		 1163#define DEVLINK_TRAP_GROUP_GENERIC_NAME_EXTERNAL_DELIVERY \
1164 "external_delivery"
d77cfd16
IS		 1165#define DEVLINK_TRAP_GROUP_GENERIC_NAME_IPV6 \
1166 "ipv6"
1167#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_EVENT \
1168 "ptp_event"
1169#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_GENERAL \
1170 "ptp_general"
5eb18a2b
IS		 1171#define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_SAMPLE \
1172 "acl_sample"
1173#define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_TRAP \
1174 "acl_trap"
10c24eb2
IC		 1175#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PARSER_ERROR_DROPS \
1176 "parser_error_drops"
391203ab 1177
107f1678
IS		 1178#define DEVLINK_TRAP_GENERIC(_type, _init_action, _id, _group_id, \
1179 _metadata_cap) \
0f420b6c
IS		 1180 { \
1181 .type = DEVLINK_TRAP_TYPE_##_type, \
1182 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \
1183 .generic = true, \
1184 .id = DEVLINK_TRAP_GENERIC_ID_##_id, \
1185 .name = DEVLINK_TRAP_GENERIC_NAME_##_id, \
107f1678 1186 .init_group_id = _group_id, \
0f420b6c
IS		 1187 .metadata_cap = _metadata_cap, \
1188 }
1189
107f1678 1190#define DEVLINK_TRAP_DRIVER(_type, _init_action, _id, _name, _group_id, \
0f420b6c
IS		 1191 _metadata_cap) \
1192 { \
1193 .type = DEVLINK_TRAP_TYPE_##_type, \
1194 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \
1195 .generic = false, \
1196 .id = _id, \
1197 .name = _name, \
107f1678 1198 .init_group_id = _group_id, \
0f420b6c
IS		 1199 .metadata_cap = _metadata_cap, \
1200 }
1201
f9f54392 1202#define DEVLINK_TRAP_GROUP_GENERIC(_id, _policer_id) \
0f420b6c
IS		 1203 { \
1204 .name = DEVLINK_TRAP_GROUP_GENERIC_NAME_##_id, \
1205 .id = DEVLINK_TRAP_GROUP_GENERIC_ID_##_id, \
1206 .generic = true, \
f9f54392 1207 .init_policer_id = _policer_id, \
0f420b6c
IS		 1208 }
1209
1e8c6619
IS		 1210#define DEVLINK_TRAP_POLICER(_id, _rate, _burst, _max_rate, _min_rate, \
1211 _max_burst, _min_burst) \
1212 { \
1213 .id = _id, \
1214 .init_rate = _rate, \
1215 .init_burst = _burst, \
1216 .max_rate = _max_rate, \
1217 .min_rate = _min_rate, \
1218 .max_burst = _max_burst, \
1219 .min_burst = _min_burst, \
1220 }
1221
bd032e35
LR		 1222enum {
1223 /* device supports reload operations */
1224 DEVLINK_F_RELOAD = 1UL << 0,
1225};
1226
bfcd3a46 1227struct devlink_ops {
22ec3d23
JK		 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;
ccdf0721 1234 unsigned long reload_actions;
dc64cc7c 1235 unsigned long reload_limits;
070c63f2 1236 int (*reload_down)(struct devlink *devlink, bool netns_change,
dc64cc7c
MS		 1237 enum devlink_reload_action action,
1238 enum devlink_reload_limit limit,
1239 struct netlink_ext_ack *extack);
ccdf0721 1240 int (*reload_up)(struct devlink *devlink, enum devlink_reload_action action,
dc64cc7c
MS		 1241 enum devlink_reload_limit limit, u32 *actions_performed,
1242 struct netlink_ext_ack *extack);
bfcd3a46
JP		 1243 int (*port_type_set)(struct devlink_port *devlink_port,
1244 enum devlink_port_type port_type);
706217c1 1245 int (*port_split)(struct devlink *devlink, struct devlink_port *port,
ac0fc8a1 1246 unsigned int count, struct netlink_ext_ack *extack);
706217c1 1247 int (*port_unsplit)(struct devlink *devlink, struct devlink_port *port,
ac0fc8a1 1248 struct netlink_ext_ack *extack);
bf797471
JP		 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,
f2ad1a52
IS		 1254 enum devlink_sb_threshold_type threshold_type,
1255 struct netlink_ext_ack *extack);
bf797471
JP		 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,
f2ad1a52 1261 u32 threshold, struct netlink_ext_ack *extack);
bf797471
JP		 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,
f2ad1a52
IS		 1271 u16 pool_index, u32 threshold,
1272 struct netlink_ext_ack *extack);
df38dafd
JP		 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);
08f4b591
OG		 1285
1286 int (*eswitch_mode_get)(struct devlink *devlink, u16 *p_mode);
db7ff19e
EB		 1287 int (*eswitch_mode_set)(struct devlink *devlink, u16 mode,
1288 struct netlink_ext_ack *extack);
59bfde01 1289 int (*eswitch_inline_mode_get)(struct devlink *devlink, u8 *p_inline_mode);
db7ff19e
EB		 1290 int (*eswitch_inline_mode_set)(struct devlink *devlink, u8 inline_mode,
1291 struct netlink_ext_ack *extack);
98fdbea5
LR		 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,
db7ff19e 1296 struct netlink_ext_ack *extack);
f9cf2288
JK		 1297 int (*info_get)(struct devlink *devlink, struct devlink_info_req *req,
1298 struct netlink_ext_ack *extack);
22ec3d23
JK		 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 */
bc75c054
JK		 1306 int (*flash_update)(struct devlink *devlink,
1307 struct devlink_flash_update_params *params,
76726ccb 1308 struct netlink_ext_ack *extack);
0f420b6c
IS		 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,
c88e11e0
IS		 1332 enum devlink_trap_action action,
1333 struct netlink_ext_ack *extack);
0f420b6c
IS		 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);
c064875a
IS		 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,
c88e11e0
IS		 1350 const struct devlink_trap_policer *policer,
1351 struct netlink_ext_ack *extack);
c50bf2be
IC		 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);
ddee9dbc
OM		 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);
1e8c6619
IS		 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);
2a916ecc
PP		 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 */
82564f6c
LR		 1413 int (*port_function_hw_addr_get)(struct devlink_port *port, u8 *hw_addr,
1414 int *hw_addr_len,
2a916ecc 1415 struct netlink_ext_ack *extack);
a1e8ae90
PP		 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 */
82564f6c 1423 int (*port_function_hw_addr_set)(struct devlink_port *port,
a1e8ae90
PP		 1424 const u8 *hw_addr, int hw_addr_len,
1425 struct netlink_ext_ack *extack);
cd76dcd6
PP		 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);
a556dded
PP		 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 */
82564f6c 1479 int (*port_fn_state_get)(struct devlink_port *port,
a556dded
PP		 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 */
82564f6c 1494 int (*port_fn_state_set)(struct devlink_port *port,
a556dded
PP		 1495 enum devlink_port_fn_state state,
1496 struct netlink_ext_ack *extack);
1897db2e
DL		 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);
a8ecb93e
DL		 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);
d7555984
DL		 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);
08f588fa
VG		 1521 /**
1522 * selftests_check() - queries if selftest is supported
1523 * @devlink: devlink instance
1524 * @id: test index
1525 * @extack: extack for reporting error messages
1526 *
1527 * Return: true if test is supported by the driver
1528 */
1529 bool (*selftest_check)(struct devlink *devlink, unsigned int id,
1530 struct netlink_ext_ack *extack);
1531 /**
1532 * selftest_run() - Runs a selftest
1533 * @devlink: devlink instance
1534 * @id: test index
1535 * @extack: extack for reporting error messages
1536 *
1537 * Return: status of the test
1538 */
1539 enum devlink_selftest_status
1540 (*selftest_run)(struct devlink *devlink, unsigned int id,
1541 struct netlink_ext_ack *extack);
bfcd3a46
JP		 1542};
1543
21314638
LR		 1544void *devlink_priv(struct devlink *devlink);
1545struct devlink *priv_to_devlink(void *priv);
1546struct device *devlink_to_dev(const struct devlink *devlink);
bfcd3a46 1547
2cb7b489
JK		 1548/* Devlink instance explicit locking */
1549void devl_lock(struct devlink *devlink);
012ec02a 1550int devl_trylock(struct devlink *devlink);
2cb7b489
JK		 1551void devl_unlock(struct devlink *devlink);
1552void devl_assert_locked(struct devlink *devlink);
1553bool devl_lock_is_held(struct devlink *devlink);
1554
bfcd3a46
JP		 1555struct ib_device;
1556
471f894f 1557struct net *devlink_net(const struct devlink *devlink);
26713455
LR		 1558/* This call is intended for software devices that can create
1559 * devlink instances in other namespaces than init_net.
1560 *
1561 * Drivers that operate on real HW must use devlink_alloc() instead.
1562 */
1563struct devlink *devlink_alloc_ns(const struct devlink_ops *ops,
919d13a7
LR		 1564 size_t priv_size, struct net *net,
1565 struct device *dev);
26713455 1566static inline struct devlink *devlink_alloc(const struct devlink_ops *ops,
919d13a7
LR		 1567 size_t priv_size,
1568 struct device *dev)
26713455 1569{
919d13a7 1570 return devlink_alloc_ns(ops, priv_size, &init_net, dev);
26713455 1571}
bd032e35 1572void devlink_set_features(struct devlink *devlink, u64 features);
db4278c5 1573void devlink_register(struct devlink *devlink);
bfcd3a46
JP		 1574void devlink_unregister(struct devlink *devlink);
1575void devlink_free(struct devlink *devlink);
ae3bbc04
JP		 1576void devlink_port_init(struct devlink *devlink,
1577 struct devlink_port *devlink_port);
1578void devlink_port_fini(struct devlink_port *devlink_port);
277cbb6b
JP		 1579int devl_port_register(struct devlink *devlink,
1580 struct devlink_port *devlink_port,
1581 unsigned int port_index);
bfcd3a46
JP		 1582int devlink_port_register(struct devlink *devlink,
1583 struct devlink_port *devlink_port,
1584 unsigned int port_index);
277cbb6b 1585void devl_port_unregister(struct devlink_port *devlink_port);
bfcd3a46 1586void devlink_port_unregister(struct devlink_port *devlink_port);
c8096578 1587void devlink_port_type_eth_set(struct devlink_port *devlink_port);
bfcd3a46
JP		 1588void devlink_port_type_ib_set(struct devlink_port *devlink_port,
1589 struct ib_device *ibdev);
1590void devlink_port_type_clear(struct devlink_port *devlink_port);
b9ffcbaf 1591void devlink_port_attrs_set(struct devlink_port *devlink_port,
71ad8d55 1592 struct devlink_port_attrs *devlink_port_attrs);
3a2d9588
PP		 1593void devlink_port_attrs_pci_pf_set(struct devlink_port *devlink_port, u32 controller,
1594 u16 pf, bool external);
1595void devlink_port_attrs_pci_vf_set(struct devlink_port *devlink_port, u32 controller,
05b595e9 1596 u16 pf, u16 vf, bool external);
b8288837 1597void devlink_port_attrs_pci_sf_set(struct devlink_port *devlink_port,
a1ab3e45
PP		 1598 u32 controller, u16 pf, u32 sf,
1599 bool external);
277cbb6b
JP		 1600int devl_rate_leaf_create(struct devlink_port *port, void *priv);
1601void devl_rate_leaf_destroy(struct devlink_port *devlink_port);
1602void devl_rate_nodes_destroy(struct devlink *devlink);
b8375859
JP		 1603void devlink_port_linecard_set(struct devlink_port *devlink_port,
1604 struct devlink_linecard *linecard);
fcdc8ce2
JP		 1605struct devlink_linecard *
1606devlink_linecard_create(struct devlink *devlink, unsigned int linecard_index,
1607 const struct devlink_linecard_ops *ops, void *priv);
c246f9b5 1608void devlink_linecard_destroy(struct devlink_linecard *linecard);
fcdc8ce2
JP		 1609void devlink_linecard_provision_set(struct devlink_linecard *linecard,
1610 const char *type);
1611void devlink_linecard_provision_clear(struct devlink_linecard *linecard);
1612void devlink_linecard_provision_fail(struct devlink_linecard *linecard);
fc9f50d5
JP		 1613void devlink_linecard_activate(struct devlink_linecard *linecard);
1614void devlink_linecard_deactivate(struct devlink_linecard *linecard);
7b2d9a1a
JP		 1615void devlink_linecard_nested_dl_set(struct devlink_linecard *linecard,
1616 struct devlink *nested_devlink);
755cfa69
JP		 1617int devl_sb_register(struct devlink *devlink, unsigned int sb_index,
1618 u32 size, u16 ingress_pools_count,
1619 u16 egress_pools_count, u16 ingress_tc_count,
1620 u16 egress_tc_count);
bf797471
JP		 1621int devlink_sb_register(struct devlink *devlink, unsigned int sb_index,
1622 u32 size, u16 ingress_pools_count,
1623 u16 egress_pools_count, u16 ingress_tc_count,
1624 u16 egress_tc_count);
755cfa69 1625void devl_sb_unregister(struct devlink *devlink, unsigned int sb_index);
bf797471 1626void devlink_sb_unregister(struct devlink *devlink, unsigned int sb_index);
70a2ff89
JP		 1627int devl_dpipe_table_register(struct devlink *devlink,
1628 const char *table_name,
1629 struct devlink_dpipe_table_ops *table_ops,
1630 void *priv, bool counter_control_extern);
70a2ff89
JP		 1631void devl_dpipe_table_unregister(struct devlink *devlink,
1632 const char *table_name);
70a2ff89
JP		 1633void devl_dpipe_headers_register(struct devlink *devlink,
1634 struct devlink_dpipe_headers *dpipe_headers);
70a2ff89 1635void devl_dpipe_headers_unregister(struct devlink *devlink);
1555d204
AS		 1636bool devlink_dpipe_table_counter_enabled(struct devlink *devlink,
1637 const char *table_name);
1638int devlink_dpipe_entry_ctx_prepare(struct devlink_dpipe_dump_ctx *dump_ctx);
1639int devlink_dpipe_entry_ctx_append(struct devlink_dpipe_dump_ctx *dump_ctx,
1640 struct devlink_dpipe_entry *entry);
1641int devlink_dpipe_entry_ctx_close(struct devlink_dpipe_dump_ctx *dump_ctx);
35807324 1642void devlink_dpipe_entry_clear(struct devlink_dpipe_entry *entry);
1555d204
AS		 1643int devlink_dpipe_action_put(struct sk_buff *skb,
1644 struct devlink_dpipe_action *action);
1645int devlink_dpipe_match_put(struct sk_buff *skb,
1646 struct devlink_dpipe_match *match);
11770091 1647extern struct devlink_dpipe_header devlink_dpipe_header_ethernet;
3fb886ec 1648extern struct devlink_dpipe_header devlink_dpipe_header_ipv4;
1797f5b3 1649extern struct devlink_dpipe_header devlink_dpipe_header_ipv6;
bfcd3a46 1650
c223d6a4
JP		 1651int devl_resource_register(struct devlink *devlink,
1652 const char *resource_name,
1653 u64 resource_size,
1654 u64 resource_id,
1655 u64 parent_resource_id,
1656 const struct devlink_resource_size_params *size_params);
d9f9b9a4
AS		 1657int devlink_resource_register(struct devlink *devlink,
1658 const char *resource_name,
d9f9b9a4
AS		 1659 u64 resource_size,
1660 u64 resource_id,
1661 u64 parent_resource_id,
fc56be47 1662 const struct devlink_resource_size_params *size_params);
c223d6a4 1663void devl_resources_unregister(struct devlink *devlink);
4c897cfc 1664void devlink_resources_unregister(struct devlink *devlink);
c223d6a4
JP		 1665int devl_resource_size_get(struct devlink *devlink,
1666 u64 resource_id,
1667 u64 *p_resource_size);
70a2ff89
JP		 1668int devl_dpipe_table_resource_set(struct devlink *devlink,
1669 const char *table_name, u64 resource_id,
1670 u64 resource_units);
56dc7cd0
AS		 1671int devlink_dpipe_table_resource_set(struct devlink *devlink,
1672 const char *table_name, u64 resource_id,
1673 u64 resource_units);
c223d6a4
JP		 1674void devl_resource_occ_get_register(struct devlink *devlink,
1675 u64 resource_id,
1676 devlink_resource_occ_get_t *occ_get,
1677 void *occ_get_priv);
fc56be47
JP		 1678void devlink_resource_occ_get_register(struct devlink *devlink,
1679 u64 resource_id,
1680 devlink_resource_occ_get_t *occ_get,
1681 void *occ_get_priv);
c223d6a4
JP		 1682void devl_resource_occ_get_unregister(struct devlink *devlink,
1683 u64 resource_id);
1684
fc56be47
JP		 1685void devlink_resource_occ_get_unregister(struct devlink *devlink,
1686 u64 resource_id);
eabaef18
MS		 1687int devlink_params_register(struct devlink *devlink,
1688 const struct devlink_param *params,
1689 size_t params_count);
1690void devlink_params_unregister(struct devlink *devlink,
1691 const struct devlink_param *params,
1692 size_t params_count);
b40c51ef
PP		 1693int devlink_param_register(struct devlink *devlink,
1694 const struct devlink_param *param);
1695void devlink_param_unregister(struct devlink *devlink,
1696 const struct devlink_param *param);
ec01aeb1
MS		 1697int devlink_param_driverinit_value_get(struct devlink *devlink, u32 param_id,
1698 union devlink_param_value *init_val);
1699int devlink_param_driverinit_value_set(struct devlink *devlink, u32 param_id,
1700 union devlink_param_value init_val);
ea601e17 1701void devlink_param_value_changed(struct devlink *devlink, u32 param_id);
eb0e9fa2
JP		 1702struct devlink_region *devl_region_create(struct devlink *devlink,
1703 const struct devlink_region_ops *ops,
1704 u32 region_max_snapshots,
1705 u64 region_size);
e8937681
JK		 1706struct devlink_region *
1707devlink_region_create(struct devlink *devlink,
1708 const struct devlink_region_ops *ops,
1709 u32 region_max_snapshots, u64 region_size);
544e7c33
AL		 1710struct devlink_region *
1711devlink_port_region_create(struct devlink_port *port,
1712 const struct devlink_port_region_ops *ops,
1713 u32 region_max_snapshots, u64 region_size);
eb0e9fa2 1714void devl_region_destroy(struct devlink_region *region);
b16ebe92 1715void devlink_region_destroy(struct devlink_region *region);
544e7c33
AL		 1716void devlink_port_region_destroy(struct devlink_region *region);
1717
7ef19d3b 1718int devlink_region_snapshot_id_get(struct devlink *devlink, u32 *id);
12102436 1719void devlink_region_snapshot_id_put(struct devlink *devlink, u32 id);
3a5e5234 1720int devlink_region_snapshot_create(struct devlink_region *region,
a0a09f6b 1721 u8 *data, u32 snapshot_id);
f9cf2288
JK		 1722int devlink_info_serial_number_put(struct devlink_info_req *req,
1723 const char *sn);
1724int devlink_info_driver_name_put(struct devlink_info_req *req,
1725 const char *name);
b5872cd0
VV		 1726int devlink_info_board_serial_number_put(struct devlink_info_req *req,
1727 const char *bsn);
bb670123
JP		 1728
1729enum devlink_info_version_type {
1730 DEVLINK_INFO_VERSION_TYPE_NONE,
1731 DEVLINK_INFO_VERSION_TYPE_COMPONENT, /* May be used as flash update
1732 * component by name.
1733 */
1734};
1735
fc6fae7d
JK		 1736int devlink_info_version_fixed_put(struct devlink_info_req *req,
1737 const char *version_name,
1738 const char *version_value);
1739int devlink_info_version_stored_put(struct devlink_info_req *req,
1740 const char *version_name,
1741 const char *version_value);
bb670123
JP		 1742int devlink_info_version_stored_put_ext(struct devlink_info_req *req,
1743 const char *version_name,
1744 const char *version_value,
1745 enum devlink_info_version_type version_type);
fc6fae7d
JK		 1746int devlink_info_version_running_put(struct devlink_info_req *req,
1747 const char *version_name,
1748 const char *version_value);
bb670123
JP		 1749int devlink_info_version_running_put_ext(struct devlink_info_req *req,
1750 const char *version_name,
1751 const char *version_value,
1752 enum devlink_info_version_type version_type);
d9f9b9a4 1753
1db64e87
EBE		 1754int devlink_fmsg_obj_nest_start(struct devlink_fmsg *fmsg);
1755int devlink_fmsg_obj_nest_end(struct devlink_fmsg *fmsg);
1756
1757int devlink_fmsg_pair_nest_start(struct devlink_fmsg *fmsg, const char *name);
1758int devlink_fmsg_pair_nest_end(struct devlink_fmsg *fmsg);
1759
1760int devlink_fmsg_arr_pair_nest_start(struct devlink_fmsg *fmsg,
1761 const char *name);
1762int devlink_fmsg_arr_pair_nest_end(struct devlink_fmsg *fmsg);
573ed90a
AL		 1763int devlink_fmsg_binary_pair_nest_start(struct devlink_fmsg *fmsg,
1764 const char *name);
1765int devlink_fmsg_binary_pair_nest_end(struct devlink_fmsg *fmsg);
1db64e87 1766
1db64e87 1767int devlink_fmsg_u32_put(struct devlink_fmsg *fmsg, u32 value);
1db64e87 1768int devlink_fmsg_string_put(struct devlink_fmsg *fmsg, const char *value);
573ed90a
AL		 1769int devlink_fmsg_binary_put(struct devlink_fmsg *fmsg, const void *value,
1770 u16 value_len);
1db64e87
EBE		 1771
1772int devlink_fmsg_bool_pair_put(struct devlink_fmsg *fmsg, const char *name,
1773 bool value);
1774int devlink_fmsg_u8_pair_put(struct devlink_fmsg *fmsg, const char *name,
1775 u8 value);
1776int devlink_fmsg_u32_pair_put(struct devlink_fmsg *fmsg, const char *name,
1777 u32 value);
1778int devlink_fmsg_u64_pair_put(struct devlink_fmsg *fmsg, const char *name,
1779 u64 value);
1780int devlink_fmsg_string_pair_put(struct devlink_fmsg *fmsg, const char *name,
1781 const char *value);
1782int devlink_fmsg_binary_pair_put(struct devlink_fmsg *fmsg, const char *name,
e2cde864 1783 const void *value, u32 value_len);
1db64e87 1784
a0bdcc59
EBE		 1785struct devlink_health_reporter *
1786devlink_health_reporter_create(struct devlink *devlink,
1787 const struct devlink_health_reporter_ops *ops,
ba7d16c7 1788 u64 graceful_period, void *priv);
15c724b9
VT		 1789
1790struct devlink_health_reporter *
1791devlink_port_health_reporter_create(struct devlink_port *port,
1792 const struct devlink_health_reporter_ops *ops,
1793 u64 graceful_period, void *priv);
1794
a0bdcc59
EBE		 1795void
1796devlink_health_reporter_destroy(struct devlink_health_reporter *reporter);
1797
15c724b9
VT		 1798void
1799devlink_port_health_reporter_destroy(struct devlink_health_reporter *reporter);
1800
a0bdcc59
EBE		 1801void *
1802devlink_health_reporter_priv(struct devlink_health_reporter *reporter);
c8e1da0b
EBE		 1803int devlink_health_report(struct devlink_health_reporter *reporter,
1804 const char *msg, void *priv_ctx);
3167b27a
EBE		 1805void
1806devlink_health_reporter_state_update(struct devlink_health_reporter *reporter,
1807 enum devlink_health_reporter_state state);
6181e5cb
VG		 1808void
1809devlink_health_reporter_recovery_done(struct devlink_health_reporter *reporter);
a0bdcc59 1810
2670ac26 1811bool devlink_is_reload_failed(const struct devlink *devlink);
77069ba2
MS		 1812void devlink_remote_reload_actions_performed(struct devlink *devlink,
1813 enum devlink_reload_limit limit,
1814 u32 actions_performed);
2670ac26 1815
191ed202
JP		 1816void devlink_flash_update_status_notify(struct devlink *devlink,
1817 const char *status_msg,
1818 const char *component,
1819 unsigned long done,
1820 unsigned long total);
f92970c6
SN		 1821void devlink_flash_update_timeout_notify(struct devlink *devlink,
1822 const char *status_msg,
1823 const char *component,
1824 unsigned long timeout);
191ed202 1825
852e85a7
JP		 1826int devl_traps_register(struct devlink *devlink,
1827 const struct devlink_trap *traps,
1828 size_t traps_count, void *priv);
0f420b6c
IS		 1829int devlink_traps_register(struct devlink *devlink,
1830 const struct devlink_trap *traps,
1831 size_t traps_count, void *priv);
852e85a7
JP		 1832void devl_traps_unregister(struct devlink *devlink,
1833 const struct devlink_trap *traps,
1834 size_t traps_count);
0f420b6c
IS		 1835void devlink_traps_unregister(struct devlink *devlink,
1836 const struct devlink_trap *traps,
1837 size_t traps_count);
5a2e106c
JP		 1838void devlink_trap_report(struct devlink *devlink, struct sk_buff *skb,
1839 void *trap_ctx, struct devlink_port *in_devlink_port,
1840 const struct flow_action_cookie *fa_cookie);
0f420b6c 1841void *devlink_trap_ctx_priv(void *trap_ctx);
852e85a7
JP		 1842int devl_trap_groups_register(struct devlink *devlink,
1843 const struct devlink_trap_group *groups,
1844 size_t groups_count);
95ad9555
IS		 1845int devlink_trap_groups_register(struct devlink *devlink,
1846 const struct devlink_trap_group *groups,
1847 size_t groups_count);
852e85a7
JP		 1848void devl_trap_groups_unregister(struct devlink *devlink,
1849 const struct devlink_trap_group *groups,
1850 size_t groups_count);
95ad9555
IS		 1851void devlink_trap_groups_unregister(struct devlink *devlink,
1852 const struct devlink_trap_group *groups,
1853 size_t groups_count);
1e8c6619 1854int
852e85a7
JP		 1855devl_trap_policers_register(struct devlink *devlink,
1856 const struct devlink_trap_policer *policers,
1857 size_t policers_count);
1e8c6619 1858void
852e85a7
JP		 1859devl_trap_policers_unregister(struct devlink *devlink,
1860 const struct devlink_trap_policer *policers,
1861 size_t policers_count);
0f420b6c 1862
f6b19b35
JP		 1863#if IS_ENABLED(CONFIG_NET_DEVLINK)
1864
46db1b77
JK		 1865struct devlink *__must_check devlink_try_get(struct devlink *devlink);
1866void devlink_put(struct devlink *devlink);
1867
1af0a094 1868void devlink_compat_running_version(struct devlink *devlink,
f4b6bcc7 1869 char *buf, size_t len);
1af0a094 1870int devlink_compat_flash_update(struct devlink *devlink, const char *file_name);
af3836df
JP		 1871int devlink_compat_phys_port_name_get(struct net_device *dev,
1872 char *name, size_t len);
7e1146e8
JP		 1873int devlink_compat_switch_id_get(struct net_device *dev,
1874 struct netdev_phys_item_id *ppid);
f4b6bcc7 1875
dca56c30
JP		 1876int devlink_nl_port_handle_fill(struct sk_buff *msg, struct devlink_port *devlink_port);
1877size_t devlink_nl_port_handle_size(struct devlink_port *devlink_port);
1878
bfcd3a46
JP		 1879#else
1880
46db1b77
JK		 1881static inline struct devlink *devlink_try_get(struct devlink *devlink)
1882{
1883 return NULL;
1884}
1885
1886static inline void devlink_put(struct devlink *devlink)
1887{
1888}
1889
ddb6e99e 1890static inline void
1af0a094 1891devlink_compat_running_version(struct devlink *devlink, char *buf, size_t len)
ddb6e99e
JK		 1892{
1893}
4eceba17
JK		 1894
1895static inline int
1af0a094 1896devlink_compat_flash_update(struct devlink *devlink, const char *file_name)
4eceba17
JK		 1897{
1898 return -EOPNOTSUPP;
1899}
f6b19b35 1900
af3836df
JP		 1901static inline int
1902devlink_compat_phys_port_name_get(struct net_device *dev,
1903 char *name, size_t len)
1904{
1905 return -EOPNOTSUPP;
1906}
1907
7e1146e8
JP		 1908static inline int
1909devlink_compat_switch_id_get(struct net_device *dev,
1910 struct netdev_phys_item_id *ppid)
1911{
1912 return -EOPNOTSUPP;
1913}
1914
dca56c30
JP		 1915static inline int
1916devlink_nl_port_handle_fill(struct sk_buff *msg, struct devlink_port *devlink_port)
1917{
1918 return 0;
1919}
1920
1921static inline size_t devlink_nl_port_handle_size(struct devlink_port *devlink_port)
1922{
1923 return 0;
1924}
1925
ddb6e99e
JK		 1926#endif
1927
bfcd3a46 1928#endif /* _NET_DEVLINK_H_ */
Linux 6.x block layer and io_uring tree(s)