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1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * include/net/devlink.h - Network physical device Netlink interface
4 * Copyright (c) 2016 Mellanox Technologies. All rights reserved.
5 * Copyright (c) 2016 Jiri Pirko <jiri@mellanox.com>
6 */
7#ifndef _NET_DEVLINK_H_
8#define _NET_DEVLINK_H_
9
10#include <linux/device.h>
11#include <linux/slab.h>
12#include <linux/gfp.h>
13#include <linux/list.h>
14#include <linux/netdevice.h>
15#include <linux/spinlock.h>
16#include <linux/workqueue.h>
17#include <linux/refcount.h>
18#include <net/net_namespace.h>
19#include <net/flow_offload.h>
20#include <uapi/linux/devlink.h>
21#include <linux/xarray.h>
22#include <linux/firmware.h>
23
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 const struct devlink_port_ops *ops;
127 unsigned int index;
128 spinlock_t type_lock; /* Protects type and type_eth/ib
129 * structures consistency.
130 */
131 enum devlink_port_type type;
132 enum devlink_port_type desired_type;
133 union {
134 struct {
135 struct net_device *netdev;
136 int ifindex;
137 char ifname[IFNAMSIZ];
138 } type_eth;
139 struct {
140 struct ib_device *ibdev;
141 } type_ib;
142 };
143 struct devlink_port_attrs attrs;
144 u8 attrs_set:1,
145 switch_port:1,
146 registered:1,
147 initialized:1;
148 struct delayed_work type_warn_dw;
149 struct list_head 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 union devlink_param_value driverinit_value_new; /* Not reachable
494 * until reload.
495 */
496 bool driverinit_value_new_valid;
497};
498
499enum devlink_param_generic_id {
500 DEVLINK_PARAM_GENERIC_ID_INT_ERR_RESET,
501 DEVLINK_PARAM_GENERIC_ID_MAX_MACS,
502 DEVLINK_PARAM_GENERIC_ID_ENABLE_SRIOV,
503 DEVLINK_PARAM_GENERIC_ID_REGION_SNAPSHOT,
504 DEVLINK_PARAM_GENERIC_ID_IGNORE_ARI,
505 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX,
506 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN,
507 DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY,
508 DEVLINK_PARAM_GENERIC_ID_RESET_DEV_ON_DRV_PROBE,
509 DEVLINK_PARAM_GENERIC_ID_ENABLE_ROCE,
510 DEVLINK_PARAM_GENERIC_ID_ENABLE_REMOTE_DEV_RESET,
511 DEVLINK_PARAM_GENERIC_ID_ENABLE_ETH,
512 DEVLINK_PARAM_GENERIC_ID_ENABLE_RDMA,
513 DEVLINK_PARAM_GENERIC_ID_ENABLE_VNET,
514 DEVLINK_PARAM_GENERIC_ID_ENABLE_IWARP,
515 DEVLINK_PARAM_GENERIC_ID_IO_EQ_SIZE,
516 DEVLINK_PARAM_GENERIC_ID_EVENT_EQ_SIZE,
517
518 /* add new param generic ids above here*/
519 __DEVLINK_PARAM_GENERIC_ID_MAX,
520 DEVLINK_PARAM_GENERIC_ID_MAX = __DEVLINK_PARAM_GENERIC_ID_MAX - 1,
521};
522
523#define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_NAME "internal_error_reset"
524#define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL
525
526#define DEVLINK_PARAM_GENERIC_MAX_MACS_NAME "max_macs"
527#define DEVLINK_PARAM_GENERIC_MAX_MACS_TYPE DEVLINK_PARAM_TYPE_U32
528
529#define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_NAME "enable_sriov"
530#define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_TYPE DEVLINK_PARAM_TYPE_BOOL
531
532#define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_NAME "region_snapshot_enable"
533#define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_TYPE DEVLINK_PARAM_TYPE_BOOL
534
535#define DEVLINK_PARAM_GENERIC_IGNORE_ARI_NAME "ignore_ari"
536#define DEVLINK_PARAM_GENERIC_IGNORE_ARI_TYPE DEVLINK_PARAM_TYPE_BOOL
537
538#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_NAME "msix_vec_per_pf_max"
539#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_TYPE DEVLINK_PARAM_TYPE_U32
540
541#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_NAME "msix_vec_per_pf_min"
542#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_TYPE DEVLINK_PARAM_TYPE_U32
543
544#define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_NAME "fw_load_policy"
545#define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_TYPE DEVLINK_PARAM_TYPE_U8
546
547#define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_NAME \
548 "reset_dev_on_drv_probe"
549#define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_TYPE DEVLINK_PARAM_TYPE_U8
550
551#define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_NAME "enable_roce"
552#define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_TYPE DEVLINK_PARAM_TYPE_BOOL
553
554#define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_NAME "enable_remote_dev_reset"
555#define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL
556
557#define DEVLINK_PARAM_GENERIC_ENABLE_ETH_NAME "enable_eth"
558#define DEVLINK_PARAM_GENERIC_ENABLE_ETH_TYPE DEVLINK_PARAM_TYPE_BOOL
559
560#define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_NAME "enable_rdma"
561#define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_TYPE DEVLINK_PARAM_TYPE_BOOL
562
563#define DEVLINK_PARAM_GENERIC_ENABLE_VNET_NAME "enable_vnet"
564#define DEVLINK_PARAM_GENERIC_ENABLE_VNET_TYPE DEVLINK_PARAM_TYPE_BOOL
565
566#define DEVLINK_PARAM_GENERIC_ENABLE_IWARP_NAME "enable_iwarp"
567#define DEVLINK_PARAM_GENERIC_ENABLE_IWARP_TYPE DEVLINK_PARAM_TYPE_BOOL
568
569#define DEVLINK_PARAM_GENERIC_IO_EQ_SIZE_NAME "io_eq_size"
570#define DEVLINK_PARAM_GENERIC_IO_EQ_SIZE_TYPE DEVLINK_PARAM_TYPE_U32
571
572#define DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_NAME "event_eq_size"
573#define DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_TYPE DEVLINK_PARAM_TYPE_U32
574
575#define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate) \
576{ \
577 .id = DEVLINK_PARAM_GENERIC_ID_##_id, \
578 .name = DEVLINK_PARAM_GENERIC_##_id##_NAME, \
579 .type = DEVLINK_PARAM_GENERIC_##_id##_TYPE, \
580 .generic = true, \
581 .supported_cmodes = _cmodes, \
582 .get = _get, \
583 .set = _set, \
584 .validate = _validate, \
585}
586
587#define DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, _get, _set, _validate) \
588{ \
589 .id = _id, \
590 .name = _name, \
591 .type = _type, \
592 .supported_cmodes = _cmodes, \
593 .get = _get, \
594 .set = _set, \
595 .validate = _validate, \
596}
597
598/* Part number, identifier of board design */
599#define DEVLINK_INFO_VERSION_GENERIC_BOARD_ID "board.id"
600/* Revision of board design */
601#define DEVLINK_INFO_VERSION_GENERIC_BOARD_REV "board.rev"
602/* Maker of the board */
603#define DEVLINK_INFO_VERSION_GENERIC_BOARD_MANUFACTURE "board.manufacture"
604
605/* Part number, identifier of asic design */
606#define DEVLINK_INFO_VERSION_GENERIC_ASIC_ID "asic.id"
607/* Revision of asic design */
608#define DEVLINK_INFO_VERSION_GENERIC_ASIC_REV "asic.rev"
609
610/* Overall FW version */
611#define DEVLINK_INFO_VERSION_GENERIC_FW "fw"
612/* Control processor FW version */
613#define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT "fw.mgmt"
614/* FW interface specification version */
615#define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT_API "fw.mgmt.api"
616/* Data path microcode controlling high-speed packet processing */
617#define DEVLINK_INFO_VERSION_GENERIC_FW_APP "fw.app"
618/* UNDI software version */
619#define DEVLINK_INFO_VERSION_GENERIC_FW_UNDI "fw.undi"
620/* NCSI support/handler version */
621#define DEVLINK_INFO_VERSION_GENERIC_FW_NCSI "fw.ncsi"
622/* FW parameter set id */
623#define DEVLINK_INFO_VERSION_GENERIC_FW_PSID "fw.psid"
624/* RoCE FW version */
625#define DEVLINK_INFO_VERSION_GENERIC_FW_ROCE "fw.roce"
626/* Firmware bundle identifier */
627#define DEVLINK_INFO_VERSION_GENERIC_FW_BUNDLE_ID "fw.bundle_id"
628/* Bootloader */
629#define DEVLINK_INFO_VERSION_GENERIC_FW_BOOTLOADER "fw.bootloader"
630
631/**
632 * struct devlink_flash_update_params - Flash Update parameters
633 * @fw: pointer to the firmware data to update from
634 * @component: the flash component to update
635 *
636 * With the exception of fw, drivers must opt-in to parameters by
637 * setting the appropriate bit in the supported_flash_update_params field in
638 * their devlink_ops structure.
639 */
640struct devlink_flash_update_params {
641 const struct firmware *fw;
642 const char *component;
643 u32 overwrite_mask;
644};
645
646#define DEVLINK_SUPPORT_FLASH_UPDATE_OVERWRITE_MASK BIT(0)
647
648struct devlink_region;
649struct devlink_info_req;
650
651/**
652 * struct devlink_region_ops - Region operations
653 * @name: region name
654 * @destructor: callback used to free snapshot memory when deleting
655 * @snapshot: callback to request an immediate snapshot. On success,
656 * the data variable must be updated to point to the snapshot data.
657 * The function will be called while the devlink instance lock is
658 * held.
659 * @read: callback to directly read a portion of the region. On success,
660 * the data pointer will be updated with the contents of the
661 * requested portion of the region. The function will be called
662 * while the devlink instance lock is held.
663 * @priv: Pointer to driver private data for the region operation
664 */
665struct devlink_region_ops {
666 const char *name;
667 void (*destructor)(const void *data);
668 int (*snapshot)(struct devlink *devlink,
669 const struct devlink_region_ops *ops,
670 struct netlink_ext_ack *extack,
671 u8 **data);
672 int (*read)(struct devlink *devlink,
673 const struct devlink_region_ops *ops,
674 struct netlink_ext_ack *extack,
675 u64 offset, u32 size, u8 *data);
676 void *priv;
677};
678
679/**
680 * struct devlink_port_region_ops - Region operations for a port
681 * @name: region name
682 * @destructor: callback used to free snapshot memory when deleting
683 * @snapshot: callback to request an immediate snapshot. On success,
684 * the data variable must be updated to point to the snapshot data.
685 * The function will be called while the devlink instance lock is
686 * held.
687 * @read: callback to directly read a portion of the region. On success,
688 * the data pointer will be updated with the contents of the
689 * requested portion of the region. The function will be called
690 * while the devlink instance lock is held.
691 * @priv: Pointer to driver private data for the region operation
692 */
693struct devlink_port_region_ops {
694 const char *name;
695 void (*destructor)(const void *data);
696 int (*snapshot)(struct devlink_port *port,
697 const struct devlink_port_region_ops *ops,
698 struct netlink_ext_ack *extack,
699 u8 **data);
700 int (*read)(struct devlink_port *port,
701 const struct devlink_port_region_ops *ops,
702 struct netlink_ext_ack *extack,
703 u64 offset, u32 size, u8 *data);
704 void *priv;
705};
706
707struct devlink_fmsg;
708struct devlink_health_reporter;
709
710enum devlink_health_reporter_state {
711 DEVLINK_HEALTH_REPORTER_STATE_HEALTHY,
712 DEVLINK_HEALTH_REPORTER_STATE_ERROR,
713};
714
715/**
716 * struct devlink_health_reporter_ops - Reporter operations
717 * @name: reporter name
718 * @recover: callback to recover from reported error
719 * if priv_ctx is NULL, run a full recover
720 * @dump: callback to dump an object
721 * if priv_ctx is NULL, run a full dump
722 * @diagnose: callback to diagnose the current status
723 * @test: callback to trigger a test event
724 */
725
726struct devlink_health_reporter_ops {
727 char *name;
728 int (*recover)(struct devlink_health_reporter *reporter,
729 void *priv_ctx, struct netlink_ext_ack *extack);
730 int (*dump)(struct devlink_health_reporter *reporter,
731 struct devlink_fmsg *fmsg, void *priv_ctx,
732 struct netlink_ext_ack *extack);
733 int (*diagnose)(struct devlink_health_reporter *reporter,
734 struct devlink_fmsg *fmsg,
735 struct netlink_ext_ack *extack);
736 int (*test)(struct devlink_health_reporter *reporter,
737 struct netlink_ext_ack *extack);
738};
739
740/**
741 * struct devlink_trap_metadata - Packet trap metadata.
742 * @trap_name: Trap name.
743 * @trap_group_name: Trap group name.
744 * @input_dev: Input netdevice.
745 * @dev_tracker: refcount tracker for @input_dev.
746 * @fa_cookie: Flow action user cookie.
747 * @trap_type: Trap type.
748 */
749struct devlink_trap_metadata {
750 const char *trap_name;
751 const char *trap_group_name;
752
753 struct net_device *input_dev;
754 netdevice_tracker dev_tracker;
755
756 const struct flow_action_cookie *fa_cookie;
757 enum devlink_trap_type trap_type;
758};
759
760/**
761 * struct devlink_trap_policer - Immutable packet trap policer attributes.
762 * @id: Policer identifier.
763 * @init_rate: Initial rate in packets / sec.
764 * @init_burst: Initial burst size in packets.
765 * @max_rate: Maximum rate.
766 * @min_rate: Minimum rate.
767 * @max_burst: Maximum burst size.
768 * @min_burst: Minimum burst size.
769 *
770 * Describes immutable attributes of packet trap policers that drivers register
771 * with devlink.
772 */
773struct devlink_trap_policer {
774 u32 id;
775 u64 init_rate;
776 u64 init_burst;
777 u64 max_rate;
778 u64 min_rate;
779 u64 max_burst;
780 u64 min_burst;
781};
782
783/**
784 * struct devlink_trap_group - Immutable packet trap group attributes.
785 * @name: Trap group name.
786 * @id: Trap group identifier.
787 * @generic: Whether the trap group is generic or not.
788 * @init_policer_id: Initial policer identifier.
789 *
790 * Describes immutable attributes of packet trap groups that drivers register
791 * with devlink.
792 */
793struct devlink_trap_group {
794 const char *name;
795 u16 id;
796 bool generic;
797 u32 init_policer_id;
798};
799
800#define DEVLINK_TRAP_METADATA_TYPE_F_IN_PORT BIT(0)
801#define DEVLINK_TRAP_METADATA_TYPE_F_FA_COOKIE BIT(1)
802
803/**
804 * struct devlink_trap - Immutable packet trap attributes.
805 * @type: Trap type.
806 * @init_action: Initial trap action.
807 * @generic: Whether the trap is generic or not.
808 * @id: Trap identifier.
809 * @name: Trap name.
810 * @init_group_id: Initial group identifier.
811 * @metadata_cap: Metadata types that can be provided by the trap.
812 *
813 * Describes immutable attributes of packet traps that drivers register with
814 * devlink.
815 */
816struct devlink_trap {
817 enum devlink_trap_type type;
818 enum devlink_trap_action init_action;
819 bool generic;
820 u16 id;
821 const char *name;
822 u16 init_group_id;
823 u32 metadata_cap;
824};
825
826/* All traps must be documented in
827 * Documentation/networking/devlink/devlink-trap.rst
828 */
829enum devlink_trap_generic_id {
830 DEVLINK_TRAP_GENERIC_ID_SMAC_MC,
831 DEVLINK_TRAP_GENERIC_ID_VLAN_TAG_MISMATCH,
832 DEVLINK_TRAP_GENERIC_ID_INGRESS_VLAN_FILTER,
833 DEVLINK_TRAP_GENERIC_ID_INGRESS_STP_FILTER,
834 DEVLINK_TRAP_GENERIC_ID_EMPTY_TX_LIST,
835 DEVLINK_TRAP_GENERIC_ID_PORT_LOOPBACK_FILTER,
836 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_ROUTE,
837 DEVLINK_TRAP_GENERIC_ID_TTL_ERROR,
838 DEVLINK_TRAP_GENERIC_ID_TAIL_DROP,
839 DEVLINK_TRAP_GENERIC_ID_NON_IP_PACKET,
840 DEVLINK_TRAP_GENERIC_ID_UC_DIP_MC_DMAC,
841 DEVLINK_TRAP_GENERIC_ID_DIP_LB,
842 DEVLINK_TRAP_GENERIC_ID_SIP_MC,
843 DEVLINK_TRAP_GENERIC_ID_SIP_LB,
844 DEVLINK_TRAP_GENERIC_ID_CORRUPTED_IP_HDR,
845 DEVLINK_TRAP_GENERIC_ID_IPV4_SIP_BC,
846 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_RESERVED_SCOPE,
847 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE,
848 DEVLINK_TRAP_GENERIC_ID_MTU_ERROR,
849 DEVLINK_TRAP_GENERIC_ID_UNRESOLVED_NEIGH,
850 DEVLINK_TRAP_GENERIC_ID_RPF,
851 DEVLINK_TRAP_GENERIC_ID_REJECT_ROUTE,
852 DEVLINK_TRAP_GENERIC_ID_IPV4_LPM_UNICAST_MISS,
853 DEVLINK_TRAP_GENERIC_ID_IPV6_LPM_UNICAST_MISS,
854 DEVLINK_TRAP_GENERIC_ID_NON_ROUTABLE,
855 DEVLINK_TRAP_GENERIC_ID_DECAP_ERROR,
856 DEVLINK_TRAP_GENERIC_ID_OVERLAY_SMAC_MC,
857 DEVLINK_TRAP_GENERIC_ID_INGRESS_FLOW_ACTION_DROP,
858 DEVLINK_TRAP_GENERIC_ID_EGRESS_FLOW_ACTION_DROP,
859 DEVLINK_TRAP_GENERIC_ID_STP,
860 DEVLINK_TRAP_GENERIC_ID_LACP,
861 DEVLINK_TRAP_GENERIC_ID_LLDP,
862 DEVLINK_TRAP_GENERIC_ID_IGMP_QUERY,
863 DEVLINK_TRAP_GENERIC_ID_IGMP_V1_REPORT,
864 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_REPORT,
865 DEVLINK_TRAP_GENERIC_ID_IGMP_V3_REPORT,
866 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_LEAVE,
867 DEVLINK_TRAP_GENERIC_ID_MLD_QUERY,
868 DEVLINK_TRAP_GENERIC_ID_MLD_V1_REPORT,
869 DEVLINK_TRAP_GENERIC_ID_MLD_V2_REPORT,
870 DEVLINK_TRAP_GENERIC_ID_MLD_V1_DONE,
871 DEVLINK_TRAP_GENERIC_ID_IPV4_DHCP,
872 DEVLINK_TRAP_GENERIC_ID_IPV6_DHCP,
873 DEVLINK_TRAP_GENERIC_ID_ARP_REQUEST,
874 DEVLINK_TRAP_GENERIC_ID_ARP_RESPONSE,
875 DEVLINK_TRAP_GENERIC_ID_ARP_OVERLAY,
876 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_SOLICIT,
877 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_ADVERT,
878 DEVLINK_TRAP_GENERIC_ID_IPV4_BFD,
879 DEVLINK_TRAP_GENERIC_ID_IPV6_BFD,
880 DEVLINK_TRAP_GENERIC_ID_IPV4_OSPF,
881 DEVLINK_TRAP_GENERIC_ID_IPV6_OSPF,
882 DEVLINK_TRAP_GENERIC_ID_IPV4_BGP,
883 DEVLINK_TRAP_GENERIC_ID_IPV6_BGP,
884 DEVLINK_TRAP_GENERIC_ID_IPV4_VRRP,
885 DEVLINK_TRAP_GENERIC_ID_IPV6_VRRP,
886 DEVLINK_TRAP_GENERIC_ID_IPV4_PIM,
887 DEVLINK_TRAP_GENERIC_ID_IPV6_PIM,
888 DEVLINK_TRAP_GENERIC_ID_UC_LB,
889 DEVLINK_TRAP_GENERIC_ID_LOCAL_ROUTE,
890 DEVLINK_TRAP_GENERIC_ID_EXTERNAL_ROUTE,
891 DEVLINK_TRAP_GENERIC_ID_IPV6_UC_DIP_LINK_LOCAL_SCOPE,
892 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_NODES,
893 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_ROUTERS,
894 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_SOLICIT,
895 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ADVERT,
896 DEVLINK_TRAP_GENERIC_ID_IPV6_REDIRECT,
897 DEVLINK_TRAP_GENERIC_ID_IPV4_ROUTER_ALERT,
898 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ALERT,
899 DEVLINK_TRAP_GENERIC_ID_PTP_EVENT,
900 DEVLINK_TRAP_GENERIC_ID_PTP_GENERAL,
901 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_SAMPLE,
902 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_TRAP,
903 DEVLINK_TRAP_GENERIC_ID_EARLY_DROP,
904 DEVLINK_TRAP_GENERIC_ID_VXLAN_PARSING,
905 DEVLINK_TRAP_GENERIC_ID_LLC_SNAP_PARSING,
906 DEVLINK_TRAP_GENERIC_ID_VLAN_PARSING,
907 DEVLINK_TRAP_GENERIC_ID_PPPOE_PPP_PARSING,
908 DEVLINK_TRAP_GENERIC_ID_MPLS_PARSING,
909 DEVLINK_TRAP_GENERIC_ID_ARP_PARSING,
910 DEVLINK_TRAP_GENERIC_ID_IP_1_PARSING,
911 DEVLINK_TRAP_GENERIC_ID_IP_N_PARSING,
912 DEVLINK_TRAP_GENERIC_ID_GRE_PARSING,
913 DEVLINK_TRAP_GENERIC_ID_UDP_PARSING,
914 DEVLINK_TRAP_GENERIC_ID_TCP_PARSING,
915 DEVLINK_TRAP_GENERIC_ID_IPSEC_PARSING,
916 DEVLINK_TRAP_GENERIC_ID_SCTP_PARSING,
917 DEVLINK_TRAP_GENERIC_ID_DCCP_PARSING,
918 DEVLINK_TRAP_GENERIC_ID_GTP_PARSING,
919 DEVLINK_TRAP_GENERIC_ID_ESP_PARSING,
920 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_NEXTHOP,
921 DEVLINK_TRAP_GENERIC_ID_DMAC_FILTER,
922 DEVLINK_TRAP_GENERIC_ID_EAPOL,
923 DEVLINK_TRAP_GENERIC_ID_LOCKED_PORT,
924
925 /* Add new generic trap IDs above */
926 __DEVLINK_TRAP_GENERIC_ID_MAX,
927 DEVLINK_TRAP_GENERIC_ID_MAX = __DEVLINK_TRAP_GENERIC_ID_MAX - 1,
928};
929
930/* All trap groups must be documented in
931 * Documentation/networking/devlink/devlink-trap.rst
932 */
933enum devlink_trap_group_generic_id {
934 DEVLINK_TRAP_GROUP_GENERIC_ID_L2_DROPS,
935 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_DROPS,
936 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_EXCEPTIONS,
937 DEVLINK_TRAP_GROUP_GENERIC_ID_BUFFER_DROPS,
938 DEVLINK_TRAP_GROUP_GENERIC_ID_TUNNEL_DROPS,
939 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_DROPS,
940 DEVLINK_TRAP_GROUP_GENERIC_ID_STP,
941 DEVLINK_TRAP_GROUP_GENERIC_ID_LACP,
942 DEVLINK_TRAP_GROUP_GENERIC_ID_LLDP,
943 DEVLINK_TRAP_GROUP_GENERIC_ID_MC_SNOOPING,
944 DEVLINK_TRAP_GROUP_GENERIC_ID_DHCP,
945 DEVLINK_TRAP_GROUP_GENERIC_ID_NEIGH_DISCOVERY,
946 DEVLINK_TRAP_GROUP_GENERIC_ID_BFD,
947 DEVLINK_TRAP_GROUP_GENERIC_ID_OSPF,
948 DEVLINK_TRAP_GROUP_GENERIC_ID_BGP,
949 DEVLINK_TRAP_GROUP_GENERIC_ID_VRRP,
950 DEVLINK_TRAP_GROUP_GENERIC_ID_PIM,
951 DEVLINK_TRAP_GROUP_GENERIC_ID_UC_LB,
952 DEVLINK_TRAP_GROUP_GENERIC_ID_LOCAL_DELIVERY,
953 DEVLINK_TRAP_GROUP_GENERIC_ID_EXTERNAL_DELIVERY,
954 DEVLINK_TRAP_GROUP_GENERIC_ID_IPV6,
955 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_EVENT,
956 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_GENERAL,
957 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_SAMPLE,
958 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_TRAP,
959 DEVLINK_TRAP_GROUP_GENERIC_ID_PARSER_ERROR_DROPS,
960 DEVLINK_TRAP_GROUP_GENERIC_ID_EAPOL,
961
962 /* Add new generic trap group IDs above */
963 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX,
964 DEVLINK_TRAP_GROUP_GENERIC_ID_MAX =
965 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX - 1,
966};
967
968#define DEVLINK_TRAP_GENERIC_NAME_SMAC_MC \
969 "source_mac_is_multicast"
970#define DEVLINK_TRAP_GENERIC_NAME_VLAN_TAG_MISMATCH \
971 "vlan_tag_mismatch"
972#define DEVLINK_TRAP_GENERIC_NAME_INGRESS_VLAN_FILTER \
973 "ingress_vlan_filter"
974#define DEVLINK_TRAP_GENERIC_NAME_INGRESS_STP_FILTER \
975 "ingress_spanning_tree_filter"
976#define DEVLINK_TRAP_GENERIC_NAME_EMPTY_TX_LIST \
977 "port_list_is_empty"
978#define DEVLINK_TRAP_GENERIC_NAME_PORT_LOOPBACK_FILTER \
979 "port_loopback_filter"
980#define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_ROUTE \
981 "blackhole_route"
982#define DEVLINK_TRAP_GENERIC_NAME_TTL_ERROR \
983 "ttl_value_is_too_small"
984#define DEVLINK_TRAP_GENERIC_NAME_TAIL_DROP \
985 "tail_drop"
986#define DEVLINK_TRAP_GENERIC_NAME_NON_IP_PACKET \
987 "non_ip"
988#define DEVLINK_TRAP_GENERIC_NAME_UC_DIP_MC_DMAC \
989 "uc_dip_over_mc_dmac"
990#define DEVLINK_TRAP_GENERIC_NAME_DIP_LB \
991 "dip_is_loopback_address"
992#define DEVLINK_TRAP_GENERIC_NAME_SIP_MC \
993 "sip_is_mc"
994#define DEVLINK_TRAP_GENERIC_NAME_SIP_LB \
995 "sip_is_loopback_address"
996#define DEVLINK_TRAP_GENERIC_NAME_CORRUPTED_IP_HDR \
997 "ip_header_corrupted"
998#define DEVLINK_TRAP_GENERIC_NAME_IPV4_SIP_BC \
999 "ipv4_sip_is_limited_bc"
1000#define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_RESERVED_SCOPE \
1001 "ipv6_mc_dip_reserved_scope"
1002#define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE \
1003 "ipv6_mc_dip_interface_local_scope"
1004#define DEVLINK_TRAP_GENERIC_NAME_MTU_ERROR \
1005 "mtu_value_is_too_small"
1006#define DEVLINK_TRAP_GENERIC_NAME_UNRESOLVED_NEIGH \
1007 "unresolved_neigh"
1008#define DEVLINK_TRAP_GENERIC_NAME_RPF \
1009 "mc_reverse_path_forwarding"
1010#define DEVLINK_TRAP_GENERIC_NAME_REJECT_ROUTE \
1011 "reject_route"
1012#define DEVLINK_TRAP_GENERIC_NAME_IPV4_LPM_UNICAST_MISS \
1013 "ipv4_lpm_miss"
1014#define DEVLINK_TRAP_GENERIC_NAME_IPV6_LPM_UNICAST_MISS \
1015 "ipv6_lpm_miss"
1016#define DEVLINK_TRAP_GENERIC_NAME_NON_ROUTABLE \
1017 "non_routable_packet"
1018#define DEVLINK_TRAP_GENERIC_NAME_DECAP_ERROR \
1019 "decap_error"
1020#define DEVLINK_TRAP_GENERIC_NAME_OVERLAY_SMAC_MC \
1021 "overlay_smac_is_mc"
1022#define DEVLINK_TRAP_GENERIC_NAME_INGRESS_FLOW_ACTION_DROP \
1023 "ingress_flow_action_drop"
1024#define DEVLINK_TRAP_GENERIC_NAME_EGRESS_FLOW_ACTION_DROP \
1025 "egress_flow_action_drop"
1026#define DEVLINK_TRAP_GENERIC_NAME_STP \
1027 "stp"
1028#define DEVLINK_TRAP_GENERIC_NAME_LACP \
1029 "lacp"
1030#define DEVLINK_TRAP_GENERIC_NAME_LLDP \
1031 "lldp"
1032#define DEVLINK_TRAP_GENERIC_NAME_IGMP_QUERY \
1033 "igmp_query"
1034#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V1_REPORT \
1035 "igmp_v1_report"
1036#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_REPORT \
1037 "igmp_v2_report"
1038#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V3_REPORT \
1039 "igmp_v3_report"
1040#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_LEAVE \
1041 "igmp_v2_leave"
1042#define DEVLINK_TRAP_GENERIC_NAME_MLD_QUERY \
1043 "mld_query"
1044#define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_REPORT \
1045 "mld_v1_report"
1046#define DEVLINK_TRAP_GENERIC_NAME_MLD_V2_REPORT \
1047 "mld_v2_report"
1048#define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_DONE \
1049 "mld_v1_done"
1050#define DEVLINK_TRAP_GENERIC_NAME_IPV4_DHCP \
1051 "ipv4_dhcp"
1052#define DEVLINK_TRAP_GENERIC_NAME_IPV6_DHCP \
1053 "ipv6_dhcp"
1054#define DEVLINK_TRAP_GENERIC_NAME_ARP_REQUEST \
1055 "arp_request"
1056#define DEVLINK_TRAP_GENERIC_NAME_ARP_RESPONSE \
1057 "arp_response"
1058#define DEVLINK_TRAP_GENERIC_NAME_ARP_OVERLAY \
1059 "arp_overlay"
1060#define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_SOLICIT \
1061 "ipv6_neigh_solicit"
1062#define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_ADVERT \
1063 "ipv6_neigh_advert"
1064#define DEVLINK_TRAP_GENERIC_NAME_IPV4_BFD \
1065 "ipv4_bfd"
1066#define DEVLINK_TRAP_GENERIC_NAME_IPV6_BFD \
1067 "ipv6_bfd"
1068#define DEVLINK_TRAP_GENERIC_NAME_IPV4_OSPF \
1069 "ipv4_ospf"
1070#define DEVLINK_TRAP_GENERIC_NAME_IPV6_OSPF \
1071 "ipv6_ospf"
1072#define DEVLINK_TRAP_GENERIC_NAME_IPV4_BGP \
1073 "ipv4_bgp"
1074#define DEVLINK_TRAP_GENERIC_NAME_IPV6_BGP \
1075 "ipv6_bgp"
1076#define DEVLINK_TRAP_GENERIC_NAME_IPV4_VRRP \
1077 "ipv4_vrrp"
1078#define DEVLINK_TRAP_GENERIC_NAME_IPV6_VRRP \
1079 "ipv6_vrrp"
1080#define DEVLINK_TRAP_GENERIC_NAME_IPV4_PIM \
1081 "ipv4_pim"
1082#define DEVLINK_TRAP_GENERIC_NAME_IPV6_PIM \
1083 "ipv6_pim"
1084#define DEVLINK_TRAP_GENERIC_NAME_UC_LB \
1085 "uc_loopback"
1086#define DEVLINK_TRAP_GENERIC_NAME_LOCAL_ROUTE \
1087 "local_route"
1088#define DEVLINK_TRAP_GENERIC_NAME_EXTERNAL_ROUTE \
1089 "external_route"
1090#define DEVLINK_TRAP_GENERIC_NAME_IPV6_UC_DIP_LINK_LOCAL_SCOPE \
1091 "ipv6_uc_dip_link_local_scope"
1092#define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_NODES \
1093 "ipv6_dip_all_nodes"
1094#define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_ROUTERS \
1095 "ipv6_dip_all_routers"
1096#define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_SOLICIT \
1097 "ipv6_router_solicit"
1098#define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ADVERT \
1099 "ipv6_router_advert"
1100#define DEVLINK_TRAP_GENERIC_NAME_IPV6_REDIRECT \
1101 "ipv6_redirect"
1102#define DEVLINK_TRAP_GENERIC_NAME_IPV4_ROUTER_ALERT \
1103 "ipv4_router_alert"
1104#define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ALERT \
1105 "ipv6_router_alert"
1106#define DEVLINK_TRAP_GENERIC_NAME_PTP_EVENT \
1107 "ptp_event"
1108#define DEVLINK_TRAP_GENERIC_NAME_PTP_GENERAL \
1109 "ptp_general"
1110#define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_SAMPLE \
1111 "flow_action_sample"
1112#define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_TRAP \
1113 "flow_action_trap"
1114#define DEVLINK_TRAP_GENERIC_NAME_EARLY_DROP \
1115 "early_drop"
1116#define DEVLINK_TRAP_GENERIC_NAME_VXLAN_PARSING \
1117 "vxlan_parsing"
1118#define DEVLINK_TRAP_GENERIC_NAME_LLC_SNAP_PARSING \
1119 "llc_snap_parsing"
1120#define DEVLINK_TRAP_GENERIC_NAME_VLAN_PARSING \
1121 "vlan_parsing"
1122#define DEVLINK_TRAP_GENERIC_NAME_PPPOE_PPP_PARSING \
1123 "pppoe_ppp_parsing"
1124#define DEVLINK_TRAP_GENERIC_NAME_MPLS_PARSING \
1125 "mpls_parsing"
1126#define DEVLINK_TRAP_GENERIC_NAME_ARP_PARSING \
1127 "arp_parsing"
1128#define DEVLINK_TRAP_GENERIC_NAME_IP_1_PARSING \
1129 "ip_1_parsing"
1130#define DEVLINK_TRAP_GENERIC_NAME_IP_N_PARSING \
1131 "ip_n_parsing"
1132#define DEVLINK_TRAP_GENERIC_NAME_GRE_PARSING \
1133 "gre_parsing"
1134#define DEVLINK_TRAP_GENERIC_NAME_UDP_PARSING \
1135 "udp_parsing"
1136#define DEVLINK_TRAP_GENERIC_NAME_TCP_PARSING \
1137 "tcp_parsing"
1138#define DEVLINK_TRAP_GENERIC_NAME_IPSEC_PARSING \
1139 "ipsec_parsing"
1140#define DEVLINK_TRAP_GENERIC_NAME_SCTP_PARSING \
1141 "sctp_parsing"
1142#define DEVLINK_TRAP_GENERIC_NAME_DCCP_PARSING \
1143 "dccp_parsing"
1144#define DEVLINK_TRAP_GENERIC_NAME_GTP_PARSING \
1145 "gtp_parsing"
1146#define DEVLINK_TRAP_GENERIC_NAME_ESP_PARSING \
1147 "esp_parsing"
1148#define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_NEXTHOP \
1149 "blackhole_nexthop"
1150#define DEVLINK_TRAP_GENERIC_NAME_DMAC_FILTER \
1151 "dmac_filter"
1152#define DEVLINK_TRAP_GENERIC_NAME_EAPOL \
1153 "eapol"
1154#define DEVLINK_TRAP_GENERIC_NAME_LOCKED_PORT \
1155 "locked_port"
1156
1157#define DEVLINK_TRAP_GROUP_GENERIC_NAME_L2_DROPS \
1158 "l2_drops"
1159#define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_DROPS \
1160 "l3_drops"
1161#define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_EXCEPTIONS \
1162 "l3_exceptions"
1163#define DEVLINK_TRAP_GROUP_GENERIC_NAME_BUFFER_DROPS \
1164 "buffer_drops"
1165#define DEVLINK_TRAP_GROUP_GENERIC_NAME_TUNNEL_DROPS \
1166 "tunnel_drops"
1167#define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_DROPS \
1168 "acl_drops"
1169#define DEVLINK_TRAP_GROUP_GENERIC_NAME_STP \
1170 "stp"
1171#define DEVLINK_TRAP_GROUP_GENERIC_NAME_LACP \
1172 "lacp"
1173#define DEVLINK_TRAP_GROUP_GENERIC_NAME_LLDP \
1174 "lldp"
1175#define DEVLINK_TRAP_GROUP_GENERIC_NAME_MC_SNOOPING \
1176 "mc_snooping"
1177#define DEVLINK_TRAP_GROUP_GENERIC_NAME_DHCP \
1178 "dhcp"
1179#define DEVLINK_TRAP_GROUP_GENERIC_NAME_NEIGH_DISCOVERY \
1180 "neigh_discovery"
1181#define DEVLINK_TRAP_GROUP_GENERIC_NAME_BFD \
1182 "bfd"
1183#define DEVLINK_TRAP_GROUP_GENERIC_NAME_OSPF \
1184 "ospf"
1185#define DEVLINK_TRAP_GROUP_GENERIC_NAME_BGP \
1186 "bgp"
1187#define DEVLINK_TRAP_GROUP_GENERIC_NAME_VRRP \
1188 "vrrp"
1189#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PIM \
1190 "pim"
1191#define DEVLINK_TRAP_GROUP_GENERIC_NAME_UC_LB \
1192 "uc_loopback"
1193#define DEVLINK_TRAP_GROUP_GENERIC_NAME_LOCAL_DELIVERY \
1194 "local_delivery"
1195#define DEVLINK_TRAP_GROUP_GENERIC_NAME_EXTERNAL_DELIVERY \
1196 "external_delivery"
1197#define DEVLINK_TRAP_GROUP_GENERIC_NAME_IPV6 \
1198 "ipv6"
1199#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_EVENT \
1200 "ptp_event"
1201#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_GENERAL \
1202 "ptp_general"
1203#define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_SAMPLE \
1204 "acl_sample"
1205#define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_TRAP \
1206 "acl_trap"
1207#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PARSER_ERROR_DROPS \
1208 "parser_error_drops"
1209#define DEVLINK_TRAP_GROUP_GENERIC_NAME_EAPOL \
1210 "eapol"
1211
1212#define DEVLINK_TRAP_GENERIC(_type, _init_action, _id, _group_id, \
1213 _metadata_cap) \
1214 { \
1215 .type = DEVLINK_TRAP_TYPE_##_type, \
1216 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \
1217 .generic = true, \
1218 .id = DEVLINK_TRAP_GENERIC_ID_##_id, \
1219 .name = DEVLINK_TRAP_GENERIC_NAME_##_id, \
1220 .init_group_id = _group_id, \
1221 .metadata_cap = _metadata_cap, \
1222 }
1223
1224#define DEVLINK_TRAP_DRIVER(_type, _init_action, _id, _name, _group_id, \
1225 _metadata_cap) \
1226 { \
1227 .type = DEVLINK_TRAP_TYPE_##_type, \
1228 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \
1229 .generic = false, \
1230 .id = _id, \
1231 .name = _name, \
1232 .init_group_id = _group_id, \
1233 .metadata_cap = _metadata_cap, \
1234 }
1235
1236#define DEVLINK_TRAP_GROUP_GENERIC(_id, _policer_id) \
1237 { \
1238 .name = DEVLINK_TRAP_GROUP_GENERIC_NAME_##_id, \
1239 .id = DEVLINK_TRAP_GROUP_GENERIC_ID_##_id, \
1240 .generic = true, \
1241 .init_policer_id = _policer_id, \
1242 }
1243
1244#define DEVLINK_TRAP_POLICER(_id, _rate, _burst, _max_rate, _min_rate, \
1245 _max_burst, _min_burst) \
1246 { \
1247 .id = _id, \
1248 .init_rate = _rate, \
1249 .init_burst = _burst, \
1250 .max_rate = _max_rate, \
1251 .min_rate = _min_rate, \
1252 .max_burst = _max_burst, \
1253 .min_burst = _min_burst, \
1254 }
1255
1256enum {
1257 /* device supports reload operations */
1258 DEVLINK_F_RELOAD = 1UL << 0,
1259};
1260
1261struct devlink_ops {
1262 /**
1263 * @supported_flash_update_params:
1264 * mask of parameters supported by the driver's .flash_update
1265 * implementation.
1266 */
1267 u32 supported_flash_update_params;
1268 unsigned long reload_actions;
1269 unsigned long reload_limits;
1270 int (*reload_down)(struct devlink *devlink, bool netns_change,
1271 enum devlink_reload_action action,
1272 enum devlink_reload_limit limit,
1273 struct netlink_ext_ack *extack);
1274 int (*reload_up)(struct devlink *devlink, enum devlink_reload_action action,
1275 enum devlink_reload_limit limit, u32 *actions_performed,
1276 struct netlink_ext_ack *extack);
1277 int (*sb_pool_get)(struct devlink *devlink, unsigned int sb_index,
1278 u16 pool_index,
1279 struct devlink_sb_pool_info *pool_info);
1280 int (*sb_pool_set)(struct devlink *devlink, unsigned int sb_index,
1281 u16 pool_index, u32 size,
1282 enum devlink_sb_threshold_type threshold_type,
1283 struct netlink_ext_ack *extack);
1284 int (*sb_port_pool_get)(struct devlink_port *devlink_port,
1285 unsigned int sb_index, u16 pool_index,
1286 u32 *p_threshold);
1287 int (*sb_port_pool_set)(struct devlink_port *devlink_port,
1288 unsigned int sb_index, u16 pool_index,
1289 u32 threshold, struct netlink_ext_ack *extack);
1290 int (*sb_tc_pool_bind_get)(struct devlink_port *devlink_port,
1291 unsigned int sb_index,
1292 u16 tc_index,
1293 enum devlink_sb_pool_type pool_type,
1294 u16 *p_pool_index, u32 *p_threshold);
1295 int (*sb_tc_pool_bind_set)(struct devlink_port *devlink_port,
1296 unsigned int sb_index,
1297 u16 tc_index,
1298 enum devlink_sb_pool_type pool_type,
1299 u16 pool_index, u32 threshold,
1300 struct netlink_ext_ack *extack);
1301 int (*sb_occ_snapshot)(struct devlink *devlink,
1302 unsigned int sb_index);
1303 int (*sb_occ_max_clear)(struct devlink *devlink,
1304 unsigned int sb_index);
1305 int (*sb_occ_port_pool_get)(struct devlink_port *devlink_port,
1306 unsigned int sb_index, u16 pool_index,
1307 u32 *p_cur, u32 *p_max);
1308 int (*sb_occ_tc_port_bind_get)(struct devlink_port *devlink_port,
1309 unsigned int sb_index,
1310 u16 tc_index,
1311 enum devlink_sb_pool_type pool_type,
1312 u32 *p_cur, u32 *p_max);
1313
1314 int (*eswitch_mode_get)(struct devlink *devlink, u16 *p_mode);
1315 int (*eswitch_mode_set)(struct devlink *devlink, u16 mode,
1316 struct netlink_ext_ack *extack);
1317 int (*eswitch_inline_mode_get)(struct devlink *devlink, u8 *p_inline_mode);
1318 int (*eswitch_inline_mode_set)(struct devlink *devlink, u8 inline_mode,
1319 struct netlink_ext_ack *extack);
1320 int (*eswitch_encap_mode_get)(struct devlink *devlink,
1321 enum devlink_eswitch_encap_mode *p_encap_mode);
1322 int (*eswitch_encap_mode_set)(struct devlink *devlink,
1323 enum devlink_eswitch_encap_mode encap_mode,
1324 struct netlink_ext_ack *extack);
1325 int (*info_get)(struct devlink *devlink, struct devlink_info_req *req,
1326 struct netlink_ext_ack *extack);
1327 /**
1328 * @flash_update: Device flash update function
1329 *
1330 * Used to perform a flash update for the device. The set of
1331 * parameters supported by the driver should be set in
1332 * supported_flash_update_params.
1333 */
1334 int (*flash_update)(struct devlink *devlink,
1335 struct devlink_flash_update_params *params,
1336 struct netlink_ext_ack *extack);
1337 /**
1338 * @trap_init: Trap initialization function.
1339 *
1340 * Should be used by device drivers to initialize the trap in the
1341 * underlying device. Drivers should also store the provided trap
1342 * context, so that they could efficiently pass it to
1343 * devlink_trap_report() when the trap is triggered.
1344 */
1345 int (*trap_init)(struct devlink *devlink,
1346 const struct devlink_trap *trap, void *trap_ctx);
1347 /**
1348 * @trap_fini: Trap de-initialization function.
1349 *
1350 * Should be used by device drivers to de-initialize the trap in the
1351 * underlying device.
1352 */
1353 void (*trap_fini)(struct devlink *devlink,
1354 const struct devlink_trap *trap, void *trap_ctx);
1355 /**
1356 * @trap_action_set: Trap action set function.
1357 */
1358 int (*trap_action_set)(struct devlink *devlink,
1359 const struct devlink_trap *trap,
1360 enum devlink_trap_action action,
1361 struct netlink_ext_ack *extack);
1362 /**
1363 * @trap_group_init: Trap group initialization function.
1364 *
1365 * Should be used by device drivers to initialize the trap group in the
1366 * underlying device.
1367 */
1368 int (*trap_group_init)(struct devlink *devlink,
1369 const struct devlink_trap_group *group);
1370 /**
1371 * @trap_group_set: Trap group parameters set function.
1372 *
1373 * Note: @policer can be NULL when a policer is being unbound from
1374 * @group.
1375 */
1376 int (*trap_group_set)(struct devlink *devlink,
1377 const struct devlink_trap_group *group,
1378 const struct devlink_trap_policer *policer,
1379 struct netlink_ext_ack *extack);
1380 /**
1381 * @trap_group_action_set: Trap group action set function.
1382 *
1383 * If this callback is populated, it will take precedence over looping
1384 * over all traps in a group and calling .trap_action_set().
1385 */
1386 int (*trap_group_action_set)(struct devlink *devlink,
1387 const struct devlink_trap_group *group,
1388 enum devlink_trap_action action,
1389 struct netlink_ext_ack *extack);
1390 /**
1391 * @trap_drop_counter_get: Trap drop counter get function.
1392 *
1393 * Should be used by device drivers to report number of packets
1394 * that have been dropped, and cannot be passed to the devlink
1395 * subsystem by the underlying device.
1396 */
1397 int (*trap_drop_counter_get)(struct devlink *devlink,
1398 const struct devlink_trap *trap,
1399 u64 *p_drops);
1400 /**
1401 * @trap_policer_init: Trap policer initialization function.
1402 *
1403 * Should be used by device drivers to initialize the trap policer in
1404 * the underlying device.
1405 */
1406 int (*trap_policer_init)(struct devlink *devlink,
1407 const struct devlink_trap_policer *policer);
1408 /**
1409 * @trap_policer_fini: Trap policer de-initialization function.
1410 *
1411 * Should be used by device drivers to de-initialize the trap policer
1412 * in the underlying device.
1413 */
1414 void (*trap_policer_fini)(struct devlink *devlink,
1415 const struct devlink_trap_policer *policer);
1416 /**
1417 * @trap_policer_set: Trap policer parameters set function.
1418 */
1419 int (*trap_policer_set)(struct devlink *devlink,
1420 const struct devlink_trap_policer *policer,
1421 u64 rate, u64 burst,
1422 struct netlink_ext_ack *extack);
1423 /**
1424 * @trap_policer_counter_get: Trap policer counter get function.
1425 *
1426 * Should be used by device drivers to report number of packets dropped
1427 * by the policer.
1428 */
1429 int (*trap_policer_counter_get)(struct devlink *devlink,
1430 const struct devlink_trap_policer *policer,
1431 u64 *p_drops);
1432 /**
1433 * port_new() - Add a new port function of a specified flavor
1434 * @devlink: Devlink instance
1435 * @attrs: attributes of the new port
1436 * @extack: extack for reporting error messages
1437 * @devlink_port: pointer to store new devlink port pointer
1438 *
1439 * Devlink core will call this device driver function upon user request
1440 * to create a new port function of a specified flavor and optional
1441 * attributes
1442 *
1443 * Notes:
1444 * - On success, drivers must register a port with devlink core
1445 *
1446 * Return: 0 on success, negative value otherwise.
1447 */
1448 int (*port_new)(struct devlink *devlink,
1449 const struct devlink_port_new_attrs *attrs,
1450 struct netlink_ext_ack *extack,
1451 struct devlink_port **devlink_port);
1452
1453 /**
1454 * Rate control callbacks.
1455 */
1456 int (*rate_leaf_tx_share_set)(struct devlink_rate *devlink_rate, void *priv,
1457 u64 tx_share, struct netlink_ext_ack *extack);
1458 int (*rate_leaf_tx_max_set)(struct devlink_rate *devlink_rate, void *priv,
1459 u64 tx_max, struct netlink_ext_ack *extack);
1460 int (*rate_leaf_tx_priority_set)(struct devlink_rate *devlink_rate, void *priv,
1461 u32 tx_priority, struct netlink_ext_ack *extack);
1462 int (*rate_leaf_tx_weight_set)(struct devlink_rate *devlink_rate, void *priv,
1463 u32 tx_weight, struct netlink_ext_ack *extack);
1464 int (*rate_node_tx_share_set)(struct devlink_rate *devlink_rate, void *priv,
1465 u64 tx_share, struct netlink_ext_ack *extack);
1466 int (*rate_node_tx_max_set)(struct devlink_rate *devlink_rate, void *priv,
1467 u64 tx_max, struct netlink_ext_ack *extack);
1468 int (*rate_node_tx_priority_set)(struct devlink_rate *devlink_rate, void *priv,
1469 u32 tx_priority, struct netlink_ext_ack *extack);
1470 int (*rate_node_tx_weight_set)(struct devlink_rate *devlink_rate, void *priv,
1471 u32 tx_weight, struct netlink_ext_ack *extack);
1472 int (*rate_node_new)(struct devlink_rate *rate_node, void **priv,
1473 struct netlink_ext_ack *extack);
1474 int (*rate_node_del)(struct devlink_rate *rate_node, void *priv,
1475 struct netlink_ext_ack *extack);
1476 int (*rate_leaf_parent_set)(struct devlink_rate *child,
1477 struct devlink_rate *parent,
1478 void *priv_child, void *priv_parent,
1479 struct netlink_ext_ack *extack);
1480 int (*rate_node_parent_set)(struct devlink_rate *child,
1481 struct devlink_rate *parent,
1482 void *priv_child, void *priv_parent,
1483 struct netlink_ext_ack *extack);
1484 /**
1485 * selftests_check() - queries if selftest is supported
1486 * @devlink: devlink instance
1487 * @id: test index
1488 * @extack: extack for reporting error messages
1489 *
1490 * Return: true if test is supported by the driver
1491 */
1492 bool (*selftest_check)(struct devlink *devlink, unsigned int id,
1493 struct netlink_ext_ack *extack);
1494 /**
1495 * selftest_run() - Runs a selftest
1496 * @devlink: devlink instance
1497 * @id: test index
1498 * @extack: extack for reporting error messages
1499 *
1500 * Return: status of the test
1501 */
1502 enum devlink_selftest_status
1503 (*selftest_run)(struct devlink *devlink, unsigned int id,
1504 struct netlink_ext_ack *extack);
1505};
1506
1507void *devlink_priv(struct devlink *devlink);
1508struct devlink *priv_to_devlink(void *priv);
1509struct device *devlink_to_dev(const struct devlink *devlink);
1510
1511/* Devlink instance explicit locking */
1512void devl_lock(struct devlink *devlink);
1513int devl_trylock(struct devlink *devlink);
1514void devl_unlock(struct devlink *devlink);
1515void devl_assert_locked(struct devlink *devlink);
1516bool devl_lock_is_held(struct devlink *devlink);
1517
1518struct ib_device;
1519
1520struct net *devlink_net(const struct devlink *devlink);
1521/* This call is intended for software devices that can create
1522 * devlink instances in other namespaces than init_net.
1523 *
1524 * Drivers that operate on real HW must use devlink_alloc() instead.
1525 */
1526struct devlink *devlink_alloc_ns(const struct devlink_ops *ops,
1527 size_t priv_size, struct net *net,
1528 struct device *dev);
1529static inline struct devlink *devlink_alloc(const struct devlink_ops *ops,
1530 size_t priv_size,
1531 struct device *dev)
1532{
1533 return devlink_alloc_ns(ops, priv_size, &init_net, dev);
1534}
1535
1536int devl_register(struct devlink *devlink);
1537void devl_unregister(struct devlink *devlink);
1538void devlink_register(struct devlink *devlink);
1539void devlink_unregister(struct devlink *devlink);
1540void devlink_free(struct devlink *devlink);
1541
1542/**
1543 * struct devlink_port_ops - Port operations
1544 * @port_split: Callback used to split the port into multiple ones.
1545 * @port_unsplit: Callback used to unsplit the port group back into
1546 * a single port.
1547 * @port_type_set: Callback used to set a type of a port.
1548 * @port_del: Callback used to delete selected port along with related function.
1549 * Devlink core calls this upon user request to delete
1550 * a port previously created by devlink_ops->port_new().
1551 * @port_fn_hw_addr_get: Callback used to set port function's hardware address.
1552 * Should be used by device drivers to report
1553 * the hardware address of a function managed
1554 * by the devlink port.
1555 * @port_fn_hw_addr_set: Callback used to set port function's hardware address.
1556 * Should be used by device drivers to set the hardware
1557 * address of a function managed by the devlink port.
1558 * @port_fn_roce_get: Callback used to get port function's RoCE capability.
1559 * Should be used by device drivers to report
1560 * the current state of RoCE capability of a function
1561 * managed by the devlink port.
1562 * @port_fn_roce_set: Callback used to set port function's RoCE capability.
1563 * Should be used by device drivers to enable/disable
1564 * RoCE capability of a function managed
1565 * by the devlink port.
1566 * @port_fn_migratable_get: Callback used to get port function's migratable
1567 * capability. Should be used by device drivers
1568 * to report the current state of migratable capability
1569 * of a function managed by the devlink port.
1570 * @port_fn_migratable_set: Callback used to set port function's migratable
1571 * capability. Should be used by device drivers
1572 * to enable/disable migratable capability of
1573 * a function managed by the devlink port.
1574 * @port_fn_state_get: Callback used to get port function's state.
1575 * Should be used by device drivers to report
1576 * the current admin and operational state of a
1577 * function managed by the devlink port.
1578 * @port_fn_state_set: Callback used to get port function's state.
1579 * Should be used by device drivers set
1580 * the admin state of a function managed
1581 * by the devlink port.
1582 *
1583 * Note: Driver should return -EOPNOTSUPP if it doesn't support
1584 * port function (@port_fn_*) handling for a particular port.
1585 */
1586struct devlink_port_ops {
1587 int (*port_split)(struct devlink *devlink, struct devlink_port *port,
1588 unsigned int count, struct netlink_ext_ack *extack);
1589 int (*port_unsplit)(struct devlink *devlink, struct devlink_port *port,
1590 struct netlink_ext_ack *extack);
1591 int (*port_type_set)(struct devlink_port *devlink_port,
1592 enum devlink_port_type port_type);
1593 int (*port_del)(struct devlink *devlink, struct devlink_port *port,
1594 struct netlink_ext_ack *extack);
1595 int (*port_fn_hw_addr_get)(struct devlink_port *port, u8 *hw_addr,
1596 int *hw_addr_len,
1597 struct netlink_ext_ack *extack);
1598 int (*port_fn_hw_addr_set)(struct devlink_port *port,
1599 const u8 *hw_addr, int hw_addr_len,
1600 struct netlink_ext_ack *extack);
1601 int (*port_fn_roce_get)(struct devlink_port *devlink_port,
1602 bool *is_enable,
1603 struct netlink_ext_ack *extack);
1604 int (*port_fn_roce_set)(struct devlink_port *devlink_port,
1605 bool enable, struct netlink_ext_ack *extack);
1606 int (*port_fn_migratable_get)(struct devlink_port *devlink_port,
1607 bool *is_enable,
1608 struct netlink_ext_ack *extack);
1609 int (*port_fn_migratable_set)(struct devlink_port *devlink_port,
1610 bool enable,
1611 struct netlink_ext_ack *extack);
1612 int (*port_fn_state_get)(struct devlink_port *port,
1613 enum devlink_port_fn_state *state,
1614 enum devlink_port_fn_opstate *opstate,
1615 struct netlink_ext_ack *extack);
1616 int (*port_fn_state_set)(struct devlink_port *port,
1617 enum devlink_port_fn_state state,
1618 struct netlink_ext_ack *extack);
1619};
1620
1621void devlink_port_init(struct devlink *devlink,
1622 struct devlink_port *devlink_port);
1623void devlink_port_fini(struct devlink_port *devlink_port);
1624
1625int devl_port_register_with_ops(struct devlink *devlink,
1626 struct devlink_port *devlink_port,
1627 unsigned int port_index,
1628 const struct devlink_port_ops *ops);
1629
1630static inline int devl_port_register(struct devlink *devlink,
1631 struct devlink_port *devlink_port,
1632 unsigned int port_index)
1633{
1634 return devl_port_register_with_ops(devlink, devlink_port,
1635 port_index, NULL);
1636}
1637
1638int devlink_port_register_with_ops(struct devlink *devlink,
1639 struct devlink_port *devlink_port,
1640 unsigned int port_index,
1641 const struct devlink_port_ops *ops);
1642
1643static inline int devlink_port_register(struct devlink *devlink,
1644 struct devlink_port *devlink_port,
1645 unsigned int port_index)
1646{
1647 return devlink_port_register_with_ops(devlink, devlink_port,
1648 port_index, NULL);
1649}
1650
1651void devl_port_unregister(struct devlink_port *devlink_port);
1652void devlink_port_unregister(struct devlink_port *devlink_port);
1653void devlink_port_type_eth_set(struct devlink_port *devlink_port);
1654void devlink_port_type_ib_set(struct devlink_port *devlink_port,
1655 struct ib_device *ibdev);
1656void devlink_port_type_clear(struct devlink_port *devlink_port);
1657void devlink_port_attrs_set(struct devlink_port *devlink_port,
1658 struct devlink_port_attrs *devlink_port_attrs);
1659void devlink_port_attrs_pci_pf_set(struct devlink_port *devlink_port, u32 controller,
1660 u16 pf, bool external);
1661void devlink_port_attrs_pci_vf_set(struct devlink_port *devlink_port, u32 controller,
1662 u16 pf, u16 vf, bool external);
1663void devlink_port_attrs_pci_sf_set(struct devlink_port *devlink_port,
1664 u32 controller, u16 pf, u32 sf,
1665 bool external);
1666struct devlink_rate *
1667devl_rate_node_create(struct devlink *devlink, void *priv, char *node_name,
1668 struct devlink_rate *parent);
1669int
1670devl_rate_leaf_create(struct devlink_port *devlink_port, void *priv,
1671 struct devlink_rate *parent);
1672void devl_rate_leaf_destroy(struct devlink_port *devlink_port);
1673void devl_rate_nodes_destroy(struct devlink *devlink);
1674void devlink_port_linecard_set(struct devlink_port *devlink_port,
1675 struct devlink_linecard *linecard);
1676struct devlink_linecard *
1677devl_linecard_create(struct devlink *devlink, unsigned int linecard_index,
1678 const struct devlink_linecard_ops *ops, void *priv);
1679void devl_linecard_destroy(struct devlink_linecard *linecard);
1680void devlink_linecard_provision_set(struct devlink_linecard *linecard,
1681 const char *type);
1682void devlink_linecard_provision_clear(struct devlink_linecard *linecard);
1683void devlink_linecard_provision_fail(struct devlink_linecard *linecard);
1684void devlink_linecard_activate(struct devlink_linecard *linecard);
1685void devlink_linecard_deactivate(struct devlink_linecard *linecard);
1686void devlink_linecard_nested_dl_set(struct devlink_linecard *linecard,
1687 struct devlink *nested_devlink);
1688int devl_sb_register(struct devlink *devlink, unsigned int sb_index,
1689 u32 size, u16 ingress_pools_count,
1690 u16 egress_pools_count, u16 ingress_tc_count,
1691 u16 egress_tc_count);
1692int devlink_sb_register(struct devlink *devlink, unsigned int sb_index,
1693 u32 size, u16 ingress_pools_count,
1694 u16 egress_pools_count, u16 ingress_tc_count,
1695 u16 egress_tc_count);
1696void devl_sb_unregister(struct devlink *devlink, unsigned int sb_index);
1697void devlink_sb_unregister(struct devlink *devlink, unsigned int sb_index);
1698int devl_dpipe_table_register(struct devlink *devlink,
1699 const char *table_name,
1700 struct devlink_dpipe_table_ops *table_ops,
1701 void *priv, bool counter_control_extern);
1702void devl_dpipe_table_unregister(struct devlink *devlink,
1703 const char *table_name);
1704void devl_dpipe_headers_register(struct devlink *devlink,
1705 struct devlink_dpipe_headers *dpipe_headers);
1706void devl_dpipe_headers_unregister(struct devlink *devlink);
1707bool devlink_dpipe_table_counter_enabled(struct devlink *devlink,
1708 const char *table_name);
1709int devlink_dpipe_entry_ctx_prepare(struct devlink_dpipe_dump_ctx *dump_ctx);
1710int devlink_dpipe_entry_ctx_append(struct devlink_dpipe_dump_ctx *dump_ctx,
1711 struct devlink_dpipe_entry *entry);
1712int devlink_dpipe_entry_ctx_close(struct devlink_dpipe_dump_ctx *dump_ctx);
1713void devlink_dpipe_entry_clear(struct devlink_dpipe_entry *entry);
1714int devlink_dpipe_action_put(struct sk_buff *skb,
1715 struct devlink_dpipe_action *action);
1716int devlink_dpipe_match_put(struct sk_buff *skb,
1717 struct devlink_dpipe_match *match);
1718extern struct devlink_dpipe_header devlink_dpipe_header_ethernet;
1719extern struct devlink_dpipe_header devlink_dpipe_header_ipv4;
1720extern struct devlink_dpipe_header devlink_dpipe_header_ipv6;
1721
1722int devl_resource_register(struct devlink *devlink,
1723 const char *resource_name,
1724 u64 resource_size,
1725 u64 resource_id,
1726 u64 parent_resource_id,
1727 const struct devlink_resource_size_params *size_params);
1728int devlink_resource_register(struct devlink *devlink,
1729 const char *resource_name,
1730 u64 resource_size,
1731 u64 resource_id,
1732 u64 parent_resource_id,
1733 const struct devlink_resource_size_params *size_params);
1734void devl_resources_unregister(struct devlink *devlink);
1735void devlink_resources_unregister(struct devlink *devlink);
1736int devl_resource_size_get(struct devlink *devlink,
1737 u64 resource_id,
1738 u64 *p_resource_size);
1739int devl_dpipe_table_resource_set(struct devlink *devlink,
1740 const char *table_name, u64 resource_id,
1741 u64 resource_units);
1742int devlink_dpipe_table_resource_set(struct devlink *devlink,
1743 const char *table_name, u64 resource_id,
1744 u64 resource_units);
1745void devl_resource_occ_get_register(struct devlink *devlink,
1746 u64 resource_id,
1747 devlink_resource_occ_get_t *occ_get,
1748 void *occ_get_priv);
1749void devlink_resource_occ_get_register(struct devlink *devlink,
1750 u64 resource_id,
1751 devlink_resource_occ_get_t *occ_get,
1752 void *occ_get_priv);
1753void devl_resource_occ_get_unregister(struct devlink *devlink,
1754 u64 resource_id);
1755
1756void devlink_resource_occ_get_unregister(struct devlink *devlink,
1757 u64 resource_id);
1758int devl_params_register(struct devlink *devlink,
1759 const struct devlink_param *params,
1760 size_t params_count);
1761int devlink_params_register(struct devlink *devlink,
1762 const struct devlink_param *params,
1763 size_t params_count);
1764void devl_params_unregister(struct devlink *devlink,
1765 const struct devlink_param *params,
1766 size_t params_count);
1767void devlink_params_unregister(struct devlink *devlink,
1768 const struct devlink_param *params,
1769 size_t params_count);
1770int devl_param_driverinit_value_get(struct devlink *devlink, u32 param_id,
1771 union devlink_param_value *val);
1772void devl_param_driverinit_value_set(struct devlink *devlink, u32 param_id,
1773 union devlink_param_value init_val);
1774void devl_param_value_changed(struct devlink *devlink, u32 param_id);
1775struct devlink_region *devl_region_create(struct devlink *devlink,
1776 const struct devlink_region_ops *ops,
1777 u32 region_max_snapshots,
1778 u64 region_size);
1779struct devlink_region *
1780devlink_region_create(struct devlink *devlink,
1781 const struct devlink_region_ops *ops,
1782 u32 region_max_snapshots, u64 region_size);
1783struct devlink_region *
1784devlink_port_region_create(struct devlink_port *port,
1785 const struct devlink_port_region_ops *ops,
1786 u32 region_max_snapshots, u64 region_size);
1787void devl_region_destroy(struct devlink_region *region);
1788void devlink_region_destroy(struct devlink_region *region);
1789void devlink_port_region_destroy(struct devlink_region *region);
1790
1791int devlink_region_snapshot_id_get(struct devlink *devlink, u32 *id);
1792void devlink_region_snapshot_id_put(struct devlink *devlink, u32 id);
1793int devlink_region_snapshot_create(struct devlink_region *region,
1794 u8 *data, u32 snapshot_id);
1795int devlink_info_serial_number_put(struct devlink_info_req *req,
1796 const char *sn);
1797int devlink_info_board_serial_number_put(struct devlink_info_req *req,
1798 const char *bsn);
1799
1800enum devlink_info_version_type {
1801 DEVLINK_INFO_VERSION_TYPE_NONE,
1802 DEVLINK_INFO_VERSION_TYPE_COMPONENT, /* May be used as flash update
1803 * component by name.
1804 */
1805};
1806
1807int devlink_info_version_fixed_put(struct devlink_info_req *req,
1808 const char *version_name,
1809 const char *version_value);
1810int devlink_info_version_stored_put(struct devlink_info_req *req,
1811 const char *version_name,
1812 const char *version_value);
1813int devlink_info_version_stored_put_ext(struct devlink_info_req *req,
1814 const char *version_name,
1815 const char *version_value,
1816 enum devlink_info_version_type version_type);
1817int devlink_info_version_running_put(struct devlink_info_req *req,
1818 const char *version_name,
1819 const char *version_value);
1820int devlink_info_version_running_put_ext(struct devlink_info_req *req,
1821 const char *version_name,
1822 const char *version_value,
1823 enum devlink_info_version_type version_type);
1824
1825int devlink_fmsg_obj_nest_start(struct devlink_fmsg *fmsg);
1826int devlink_fmsg_obj_nest_end(struct devlink_fmsg *fmsg);
1827
1828int devlink_fmsg_pair_nest_start(struct devlink_fmsg *fmsg, const char *name);
1829int devlink_fmsg_pair_nest_end(struct devlink_fmsg *fmsg);
1830
1831int devlink_fmsg_arr_pair_nest_start(struct devlink_fmsg *fmsg,
1832 const char *name);
1833int devlink_fmsg_arr_pair_nest_end(struct devlink_fmsg *fmsg);
1834int devlink_fmsg_binary_pair_nest_start(struct devlink_fmsg *fmsg,
1835 const char *name);
1836int devlink_fmsg_binary_pair_nest_end(struct devlink_fmsg *fmsg);
1837
1838int devlink_fmsg_u32_put(struct devlink_fmsg *fmsg, u32 value);
1839int devlink_fmsg_string_put(struct devlink_fmsg *fmsg, const char *value);
1840int devlink_fmsg_binary_put(struct devlink_fmsg *fmsg, const void *value,
1841 u16 value_len);
1842
1843int devlink_fmsg_bool_pair_put(struct devlink_fmsg *fmsg, const char *name,
1844 bool value);
1845int devlink_fmsg_u8_pair_put(struct devlink_fmsg *fmsg, const char *name,
1846 u8 value);
1847int devlink_fmsg_u32_pair_put(struct devlink_fmsg *fmsg, const char *name,
1848 u32 value);
1849int devlink_fmsg_u64_pair_put(struct devlink_fmsg *fmsg, const char *name,
1850 u64 value);
1851int devlink_fmsg_string_pair_put(struct devlink_fmsg *fmsg, const char *name,
1852 const char *value);
1853int devlink_fmsg_binary_pair_put(struct devlink_fmsg *fmsg, const char *name,
1854 const void *value, u32 value_len);
1855
1856struct devlink_health_reporter *
1857devl_port_health_reporter_create(struct devlink_port *port,
1858 const struct devlink_health_reporter_ops *ops,
1859 u64 graceful_period, void *priv);
1860
1861struct devlink_health_reporter *
1862devlink_port_health_reporter_create(struct devlink_port *port,
1863 const struct devlink_health_reporter_ops *ops,
1864 u64 graceful_period, void *priv);
1865
1866struct devlink_health_reporter *
1867devl_health_reporter_create(struct devlink *devlink,
1868 const struct devlink_health_reporter_ops *ops,
1869 u64 graceful_period, void *priv);
1870
1871struct devlink_health_reporter *
1872devlink_health_reporter_create(struct devlink *devlink,
1873 const struct devlink_health_reporter_ops *ops,
1874 u64 graceful_period, void *priv);
1875
1876void
1877devl_health_reporter_destroy(struct devlink_health_reporter *reporter);
1878
1879void
1880devlink_health_reporter_destroy(struct devlink_health_reporter *reporter);
1881
1882void *
1883devlink_health_reporter_priv(struct devlink_health_reporter *reporter);
1884int devlink_health_report(struct devlink_health_reporter *reporter,
1885 const char *msg, void *priv_ctx);
1886void
1887devlink_health_reporter_state_update(struct devlink_health_reporter *reporter,
1888 enum devlink_health_reporter_state state);
1889void
1890devlink_health_reporter_recovery_done(struct devlink_health_reporter *reporter);
1891
1892bool devlink_is_reload_failed(const struct devlink *devlink);
1893void devlink_remote_reload_actions_performed(struct devlink *devlink,
1894 enum devlink_reload_limit limit,
1895 u32 actions_performed);
1896
1897void devlink_flash_update_status_notify(struct devlink *devlink,
1898 const char *status_msg,
1899 const char *component,
1900 unsigned long done,
1901 unsigned long total);
1902void devlink_flash_update_timeout_notify(struct devlink *devlink,
1903 const char *status_msg,
1904 const char *component,
1905 unsigned long timeout);
1906
1907int devl_traps_register(struct devlink *devlink,
1908 const struct devlink_trap *traps,
1909 size_t traps_count, void *priv);
1910int devlink_traps_register(struct devlink *devlink,
1911 const struct devlink_trap *traps,
1912 size_t traps_count, void *priv);
1913void devl_traps_unregister(struct devlink *devlink,
1914 const struct devlink_trap *traps,
1915 size_t traps_count);
1916void devlink_traps_unregister(struct devlink *devlink,
1917 const struct devlink_trap *traps,
1918 size_t traps_count);
1919void devlink_trap_report(struct devlink *devlink, struct sk_buff *skb,
1920 void *trap_ctx, struct devlink_port *in_devlink_port,
1921 const struct flow_action_cookie *fa_cookie);
1922void *devlink_trap_ctx_priv(void *trap_ctx);
1923int devl_trap_groups_register(struct devlink *devlink,
1924 const struct devlink_trap_group *groups,
1925 size_t groups_count);
1926int devlink_trap_groups_register(struct devlink *devlink,
1927 const struct devlink_trap_group *groups,
1928 size_t groups_count);
1929void devl_trap_groups_unregister(struct devlink *devlink,
1930 const struct devlink_trap_group *groups,
1931 size_t groups_count);
1932void devlink_trap_groups_unregister(struct devlink *devlink,
1933 const struct devlink_trap_group *groups,
1934 size_t groups_count);
1935int
1936devl_trap_policers_register(struct devlink *devlink,
1937 const struct devlink_trap_policer *policers,
1938 size_t policers_count);
1939void
1940devl_trap_policers_unregister(struct devlink *devlink,
1941 const struct devlink_trap_policer *policers,
1942 size_t policers_count);
1943
1944#if IS_ENABLED(CONFIG_NET_DEVLINK)
1945
1946struct devlink *__must_check devlink_try_get(struct devlink *devlink);
1947void devlink_put(struct devlink *devlink);
1948
1949void devlink_compat_running_version(struct devlink *devlink,
1950 char *buf, size_t len);
1951int devlink_compat_flash_update(struct devlink *devlink, const char *file_name);
1952int devlink_compat_phys_port_name_get(struct net_device *dev,
1953 char *name, size_t len);
1954int devlink_compat_switch_id_get(struct net_device *dev,
1955 struct netdev_phys_item_id *ppid);
1956
1957int devlink_nl_port_handle_fill(struct sk_buff *msg, struct devlink_port *devlink_port);
1958size_t devlink_nl_port_handle_size(struct devlink_port *devlink_port);
1959
1960#else
1961
1962static inline struct devlink *devlink_try_get(struct devlink *devlink)
1963{
1964 return NULL;
1965}
1966
1967static inline void devlink_put(struct devlink *devlink)
1968{
1969}
1970
1971static inline void
1972devlink_compat_running_version(struct devlink *devlink, char *buf, size_t len)
1973{
1974}
1975
1976static inline int
1977devlink_compat_flash_update(struct devlink *devlink, const char *file_name)
1978{
1979 return -EOPNOTSUPP;
1980}
1981
1982static inline int
1983devlink_compat_phys_port_name_get(struct net_device *dev,
1984 char *name, size_t len)
1985{
1986 return -EOPNOTSUPP;
1987}
1988
1989static inline int
1990devlink_compat_switch_id_get(struct net_device *dev,
1991 struct netdev_phys_item_id *ppid)
1992{
1993 return -EOPNOTSUPP;
1994}
1995
1996static inline int
1997devlink_nl_port_handle_fill(struct sk_buff *msg, struct devlink_port *devlink_port)
1998{
1999 return 0;
2000}
2001
2002static inline size_t devlink_nl_port_handle_size(struct devlink_port *devlink_port)
2003{
2004 return 0;
2005}
2006
2007#endif
2008
2009#endif /* _NET_DEVLINK_H_ */