devlink.h

   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 function number for the devlink port instance
  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 function number for the devlink port instance
  51 * @vf: associated PCI VF number of a PF for the devlink port instance;
  52 *	VF number starts from 0 for the first PCI virtual function
  53 * @external: when set, indicates if a port is for an external controller
  54 */
  55struct devlink_port_pci_vf_attrs {
  56	u32 controller;
  57	u16 pf;
  58	u16 vf;
  59	u8 external:1;
  60};
  61
  62/**
  63 * struct devlink_port_pci_sf_attrs - devlink port's PCI SF attributes
  64 * @controller: Associated controller number
  65 * @sf: associated SF number of a PF for the devlink port instance
  66 * @pf: associated PCI function number for the devlink port instance
  67 * @external: when set, indicates if a port is for an external controller
  68 */
  69struct devlink_port_pci_sf_attrs {
  70	u32 controller;
  71	u32 sf;
  72	u16 pf;
  73	u8 external:1;
  74};
  75
  76/**
  77 * struct devlink_port_attrs - devlink port object
  78 * @flavour: flavour of the port
  79 * @split: indicates if this is split port
  80 * @splittable: indicates if the port can be split.
  81 * @no_phys_port_name: skip automatic phys_port_name generation; for
  82 *		       compatibility only, newly added driver/port instance
  83 *		       should never set this.
  84 * @lanes: maximum number of lanes the port supports. 0 value is not passed to netlink.
  85 * @switch_id: if the port is part of switch, this is buffer with ID, otherwise this is NULL
  86 * @phys: physical port attributes
  87 * @pci_pf: PCI PF port attributes
  88 * @pci_vf: PCI VF port attributes
  89 * @pci_sf: PCI SF port attributes
  90 */
  91struct devlink_port_attrs {
  92	u8 split:1,
  93	   splittable:1,
  94	   no_phys_port_name:1;
  95	u32 lanes;
  96	enum devlink_port_flavour flavour;
  97	struct netdev_phys_item_id switch_id;
  98	union {
  99		struct devlink_port_phys_attrs phys;
 100		struct devlink_port_pci_pf_attrs pci_pf;
 101		struct devlink_port_pci_vf_attrs pci_vf;
 102		struct devlink_port_pci_sf_attrs pci_sf;
 103	};
 104};
 105
 106struct devlink_rate {
 107	struct list_head list;
 108	enum devlink_rate_type type;
 109	struct devlink *devlink;
 110	void *priv;
 111	u64 tx_share;
 112	u64 tx_max;
 113
 114	struct devlink_rate *parent;
 115	union {
 116		struct devlink_port *devlink_port;
 117		struct {
 118			char *name;
 119			refcount_t refcnt;
 120		};
 121	};
 122
 123	u32 tx_priority;
 124	u32 tx_weight;
 125
 126	u32 tc_bw[DEVLINK_RATE_TCS_MAX];
 127};
 128
 129struct devlink_port {
 130	struct list_head list;
 131	struct list_head region_list;
 132	struct devlink *devlink;
 133	const struct devlink_port_ops *ops;
 134	unsigned int index;
 135	spinlock_t type_lock; /* Protects type and type_eth/ib
 136			       * structures consistency.
 137			       */
 138	enum devlink_port_type type;
 139	enum devlink_port_type desired_type;
 140	union {
 141		struct {
 142			struct net_device *netdev;
 143			int ifindex;
 144			char ifname[IFNAMSIZ];
 145		} type_eth;
 146		struct {
 147			struct ib_device *ibdev;
 148		} type_ib;
 149	};
 150	struct devlink_port_attrs attrs;
 151	u8 attrs_set:1,
 152	   switch_port:1,
 153	   registered:1,
 154	   initialized:1;
 155	struct delayed_work type_warn_dw;
 156	struct list_head reporter_list;
 157
 158	struct devlink_rate *devlink_rate;
 159	struct devlink_linecard *linecard;
 160	u32 rel_index;
 161};
 162
 163struct devlink_port_new_attrs {
 164	enum devlink_port_flavour flavour;
 165	unsigned int port_index;
 166	u32 controller;
 167	u32 sfnum;
 168	u16 pfnum;
 169	u8 port_index_valid:1,
 170	   controller_valid:1,
 171	   sfnum_valid:1;
 172};
 173
 174/**
 175 * struct devlink_linecard_ops - Linecard operations
 176 * @provision: callback to provision the linecard slot with certain
 177 *	       type of linecard. As a result of this operation,
 178 *	       driver is expected to eventually (could be after
 179 *	       the function call returns) call one of:
 180 *	       devlink_linecard_provision_set()
 181 *	       devlink_linecard_provision_fail()
 182 * @unprovision: callback to unprovision the linecard slot. As a result
 183 *		 of this operation, driver is expected to eventually
 184 *		 (could be after the function call returns) call
 185 *	         devlink_linecard_provision_clear()
 186 *	         devlink_linecard_provision_fail()
 187 * @same_provision: callback to ask the driver if linecard is already
 188 *                  provisioned in the same way user asks this linecard to be
 189 *                  provisioned.
 190 * @types_count: callback to get number of supported types
 191 * @types_get: callback to get next type in list
 192 */
 193struct devlink_linecard_ops {
 194	int (*provision)(struct devlink_linecard *linecard, void *priv,
 195			 const char *type, const void *type_priv,
 196			 struct netlink_ext_ack *extack);
 197	int (*unprovision)(struct devlink_linecard *linecard, void *priv,
 198			   struct netlink_ext_ack *extack);
 199	bool (*same_provision)(struct devlink_linecard *linecard, void *priv,
 200			       const char *type, const void *type_priv);
 201	unsigned int (*types_count)(struct devlink_linecard *linecard,
 202				    void *priv);
 203	void (*types_get)(struct devlink_linecard *linecard,
 204			  void *priv, unsigned int index, const char **type,
 205			  const void **type_priv);
 206};
 207
 208struct devlink_sb_pool_info {
 209	enum devlink_sb_pool_type pool_type;
 210	u32 size;
 211	enum devlink_sb_threshold_type threshold_type;
 212	u32 cell_size;
 213};
 214
 215/**
 216 * struct devlink_dpipe_field - dpipe field object
 217 * @name: field name
 218 * @id: index inside the headers field array
 219 * @bitwidth: bitwidth
 220 * @mapping_type: mapping type
 221 */
 222struct devlink_dpipe_field {
 223	const char *name;
 224	unsigned int id;
 225	unsigned int bitwidth;
 226	enum devlink_dpipe_field_mapping_type mapping_type;
 227};
 228
 229/**
 230 * struct devlink_dpipe_header - dpipe header object
 231 * @name: header name
 232 * @id: index, global/local determined by global bit
 233 * @fields: fields
 234 * @fields_count: number of fields
 235 * @global: indicates if header is shared like most protocol header
 236 *	    or driver specific
 237 */
 238struct devlink_dpipe_header {
 239	const char *name;
 240	unsigned int id;
 241	struct devlink_dpipe_field *fields;
 242	unsigned int fields_count;
 243	bool global;
 244};
 245
 246/**
 247 * struct devlink_dpipe_match - represents match operation
 248 * @type: type of match
 249 * @header_index: header index (packets can have several headers of same
 250 *		  type like in case of tunnels)
 251 * @header: header
 252 * @field_id: field index
 253 */
 254struct devlink_dpipe_match {
 255	enum devlink_dpipe_match_type type;
 256	unsigned int header_index;
 257	struct devlink_dpipe_header *header;
 258	unsigned int field_id;
 259};
 260
 261/**
 262 * struct devlink_dpipe_action - represents action operation
 263 * @type: type of action
 264 * @header_index: header index (packets can have several headers of same
 265 *		  type like in case of tunnels)
 266 * @header: header
 267 * @field_id: field index
 268 */
 269struct devlink_dpipe_action {
 270	enum devlink_dpipe_action_type type;
 271	unsigned int header_index;
 272	struct devlink_dpipe_header *header;
 273	unsigned int field_id;
 274};
 275
 276/**
 277 * struct devlink_dpipe_value - represents value of match/action
 278 * @action: action
 279 * @match: match
 280 * @mapping_value: in case the field has some mapping this value
 281 *                 specified the mapping value
 282 * @mapping_valid: specify if mapping value is valid
 283 * @value_size: value size
 284 * @value: value
 285 * @mask: bit mask
 286 */
 287struct devlink_dpipe_value {
 288	union {
 289		struct devlink_dpipe_action *action;
 290		struct devlink_dpipe_match *match;
 291	};
 292	unsigned int mapping_value;
 293	bool mapping_valid;
 294	unsigned int value_size;
 295	void *value;
 296	void *mask;
 297};
 298
 299/**
 300 * struct devlink_dpipe_entry - table entry object
 301 * @index: index of the entry in the table
 302 * @match_values: match values
 303 * @match_values_count: count of matches tuples
 304 * @action_values: actions values
 305 * @action_values_count: count of actions values
 306 * @counter: value of counter
 307 * @counter_valid: Specify if value is valid from hardware
 308 */
 309struct devlink_dpipe_entry {
 310	u64 index;
 311	struct devlink_dpipe_value *match_values;
 312	unsigned int match_values_count;
 313	struct devlink_dpipe_value *action_values;
 314	unsigned int action_values_count;
 315	u64 counter;
 316	bool counter_valid;
 317};
 318
 319/**
 320 * struct devlink_dpipe_dump_ctx - context provided to driver in order
 321 *				   to dump
 322 * @info: info
 323 * @cmd: devlink command
 324 * @skb: skb
 325 * @nest: top attribute
 326 * @hdr: hdr
 327 */
 328struct devlink_dpipe_dump_ctx {
 329	struct genl_info *info;
 330	enum devlink_command cmd;
 331	struct sk_buff *skb;
 332	struct nlattr *nest;
 333	void *hdr;
 334};
 335
 336struct devlink_dpipe_table_ops;
 337
 338/**
 339 * struct devlink_dpipe_table - table object
 340 * @priv: private
 341 * @name: table name
 342 * @counters_enabled: indicates if counters are active
 343 * @counter_control_extern: indicates if counter control is in dpipe or
 344 *			    external tool
 345 * @resource_valid: Indicate that the resource id is valid
 346 * @resource_id: relative resource this table is related to
 347 * @resource_units: number of resource's unit consumed per table's entry
 348 * @table_ops: table operations
 349 * @rcu: rcu
 350 */
 351struct devlink_dpipe_table {
 352	void *priv;
 353	/* private: */
 354	struct list_head list;
 355	/* public: */
 356	const char *name;
 357	bool counters_enabled;
 358	bool counter_control_extern;
 359	bool resource_valid;
 360	u64 resource_id;
 361	u64 resource_units;
 362	const struct devlink_dpipe_table_ops *table_ops;
 363	struct rcu_head rcu;
 364};
 365
 366/**
 367 * struct devlink_dpipe_table_ops - dpipe_table ops
 368 * @actions_dump: dumps all tables actions
 369 * @matches_dump: dumps all tables matches
 370 * @entries_dump: dumps all active entries in the table
 371 * @counters_set_update:  when changing the counter status hardware sync
 372 *			  maybe needed to allocate/free counter related
 373 *			  resources
 374 * @size_get: get size
 375 */
 376struct devlink_dpipe_table_ops {
 377	int (*actions_dump)(void *priv, struct sk_buff *skb);
 378	int (*matches_dump)(void *priv, struct sk_buff *skb);
 379	int (*entries_dump)(void *priv, bool counters_enabled,
 380			    struct devlink_dpipe_dump_ctx *dump_ctx);
 381	int (*counters_set_update)(void *priv, bool enable);
 382	u64 (*size_get)(void *priv);
 383};
 384
 385/**
 386 * struct devlink_dpipe_headers - dpipe headers
 387 * @headers: header array can be shared (global bit) or driver specific
 388 * @headers_count: count of headers
 389 */
 390struct devlink_dpipe_headers {
 391	struct devlink_dpipe_header **headers;
 392	unsigned int headers_count;
 393};
 394
 395/**
 396 * struct devlink_resource_size_params - resource's size parameters
 397 * @size_min: minimum size which can be set
 398 * @size_max: maximum size which can be set
 399 * @size_granularity: size granularity
 400 * @unit: resource's basic unit
 401 */
 402struct devlink_resource_size_params {
 403	u64 size_min;
 404	u64 size_max;
 405	u64 size_granularity;
 406	enum devlink_resource_unit unit;
 407};
 408
 409static inline void
 410devlink_resource_size_params_init(struct devlink_resource_size_params *size_params,
 411				  u64 size_min, u64 size_max,
 412				  u64 size_granularity,
 413				  enum devlink_resource_unit unit)
 414{
 415	size_params->size_min = size_min;
 416	size_params->size_max = size_max;
 417	size_params->size_granularity = size_granularity;
 418	size_params->unit = unit;
 419}
 420
 421typedef u64 devlink_resource_occ_get_t(void *priv);
 422
 423#define DEVLINK_RESOURCE_ID_PARENT_TOP 0
 424
 425#define DEVLINK_RESOURCE_GENERIC_NAME_PORTS "physical_ports"
 426
 427#define __DEVLINK_PARAM_MAX_STRING_VALUE 32
 428enum devlink_param_type {
 429	DEVLINK_PARAM_TYPE_U8 = DEVLINK_VAR_ATTR_TYPE_U8,
 430	DEVLINK_PARAM_TYPE_U16 = DEVLINK_VAR_ATTR_TYPE_U16,
 431	DEVLINK_PARAM_TYPE_U32 = DEVLINK_VAR_ATTR_TYPE_U32,
 432	DEVLINK_PARAM_TYPE_U64 = DEVLINK_VAR_ATTR_TYPE_U64,
 433	DEVLINK_PARAM_TYPE_STRING = DEVLINK_VAR_ATTR_TYPE_STRING,
 434	DEVLINK_PARAM_TYPE_BOOL = DEVLINK_VAR_ATTR_TYPE_FLAG,
 435};
 436
 437union devlink_param_value {
 438	u8 vu8;
 439	u16 vu16;
 440	u32 vu32;
 441	u64 vu64;
 442	char vstr[__DEVLINK_PARAM_MAX_STRING_VALUE];
 443	bool vbool;
 444};
 445
 446struct devlink_param_gset_ctx {
 447	union devlink_param_value val;
 448	enum devlink_param_cmode cmode;
 449};
 450
 451/**
 452 * struct devlink_flash_notify - devlink dev flash notify data
 453 * @status_msg: current status string
 454 * @component: firmware component being updated
 455 * @done: amount of work completed of total amount
 456 * @total: amount of work expected to be done
 457 * @timeout: expected max timeout in seconds
 458 *
 459 * These are values to be given to userland to be displayed in order
 460 * to show current activity in a firmware update process.
 461 */
 462struct devlink_flash_notify {
 463	const char *status_msg;
 464	const char *component;
 465	unsigned long done;
 466	unsigned long total;
 467	unsigned long timeout;
 468};
 469
 470/**
 471 * struct devlink_param - devlink configuration parameter data
 472 * @id: devlink parameter id number
 473 * @name: name of the parameter
 474 * @generic: indicates if the parameter is generic or driver specific
 475 * @type: parameter type
 476 * @supported_cmodes: bitmap of supported configuration modes
 477 * @get: get parameter value, used for runtime and permanent
 478 *       configuration modes
 479 * @set: set parameter value, used for runtime and permanent
 480 *       configuration modes
 481 * @validate: validate input value is applicable (within value range, etc.)
 482 * @get_default: get parameter default value, used for runtime and permanent
 483 *               configuration modes
 484 * @reset_default: reset parameter to default value, used for runtime and permanent
 485 *                 configuration modes
 486 *
 487 * This struct should be used by the driver to fill the data for
 488 * a parameter it registers.
 489 */
 490struct devlink_param {
 491	u32 id;
 492	const char *name;
 493	bool generic;
 494	enum devlink_param_type type;
 495	unsigned long supported_cmodes;
 496	int (*get)(struct devlink *devlink, u32 id,
 497		   struct devlink_param_gset_ctx *ctx,
 498		   struct netlink_ext_ack *extack);
 499	int (*set)(struct devlink *devlink, u32 id,
 500		   struct devlink_param_gset_ctx *ctx,
 501		   struct netlink_ext_ack *extack);
 502	int (*validate)(struct devlink *devlink, u32 id,
 503			union devlink_param_value val,
 504			struct netlink_ext_ack *extack);
 505	int (*get_default)(struct devlink *devlink, u32 id,
 506			   struct devlink_param_gset_ctx *ctx,
 507			   struct netlink_ext_ack *extack);
 508	int (*reset_default)(struct devlink *devlink, u32 id,
 509			     enum devlink_param_cmode cmode,
 510			     struct netlink_ext_ack *extack);
 511};
 512
 513struct devlink_param_item {
 514	struct list_head list;
 515	const struct devlink_param *param;
 516	union devlink_param_value driverinit_value;
 517	bool driverinit_value_valid;
 518	union devlink_param_value driverinit_value_new; /* Not reachable
 519							 * until reload.
 520							 */
 521	bool driverinit_value_new_valid;
 522	union devlink_param_value driverinit_default;
 523};
 524
 525enum devlink_param_generic_id {
 526	DEVLINK_PARAM_GENERIC_ID_INT_ERR_RESET,
 527	DEVLINK_PARAM_GENERIC_ID_MAX_MACS,
 528	DEVLINK_PARAM_GENERIC_ID_ENABLE_SRIOV,
 529	DEVLINK_PARAM_GENERIC_ID_REGION_SNAPSHOT,
 530	DEVLINK_PARAM_GENERIC_ID_IGNORE_ARI,
 531	DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX,
 532	DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN,
 533	DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY,
 534	DEVLINK_PARAM_GENERIC_ID_RESET_DEV_ON_DRV_PROBE,
 535	DEVLINK_PARAM_GENERIC_ID_ENABLE_ROCE,
 536	DEVLINK_PARAM_GENERIC_ID_ENABLE_REMOTE_DEV_RESET,
 537	DEVLINK_PARAM_GENERIC_ID_ENABLE_ETH,
 538	DEVLINK_PARAM_GENERIC_ID_ENABLE_RDMA,
 539	DEVLINK_PARAM_GENERIC_ID_ENABLE_VNET,
 540	DEVLINK_PARAM_GENERIC_ID_ENABLE_IWARP,
 541	DEVLINK_PARAM_GENERIC_ID_IO_EQ_SIZE,
 542	DEVLINK_PARAM_GENERIC_ID_EVENT_EQ_SIZE,
 543	DEVLINK_PARAM_GENERIC_ID_ENABLE_PHC,
 544	DEVLINK_PARAM_GENERIC_ID_CLOCK_ID,
 545	DEVLINK_PARAM_GENERIC_ID_TOTAL_VFS,
 546	DEVLINK_PARAM_GENERIC_ID_NUM_DOORBELLS,
 547	DEVLINK_PARAM_GENERIC_ID_MAX_MAC_PER_VF,
 548
 549	/* add new param generic ids above here*/
 550	__DEVLINK_PARAM_GENERIC_ID_MAX,
 551	DEVLINK_PARAM_GENERIC_ID_MAX = __DEVLINK_PARAM_GENERIC_ID_MAX - 1,
 552};
 553
 554#define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_NAME "internal_error_reset"
 555#define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL
 556
 557#define DEVLINK_PARAM_GENERIC_MAX_MACS_NAME "max_macs"
 558#define DEVLINK_PARAM_GENERIC_MAX_MACS_TYPE DEVLINK_PARAM_TYPE_U32
 559
 560#define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_NAME "enable_sriov"
 561#define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_TYPE DEVLINK_PARAM_TYPE_BOOL
 562
 563#define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_NAME "region_snapshot_enable"
 564#define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_TYPE DEVLINK_PARAM_TYPE_BOOL
 565
 566#define DEVLINK_PARAM_GENERIC_IGNORE_ARI_NAME "ignore_ari"
 567#define DEVLINK_PARAM_GENERIC_IGNORE_ARI_TYPE DEVLINK_PARAM_TYPE_BOOL
 568
 569#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_NAME "msix_vec_per_pf_max"
 570#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_TYPE DEVLINK_PARAM_TYPE_U32
 571
 572#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_NAME "msix_vec_per_pf_min"
 573#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_TYPE DEVLINK_PARAM_TYPE_U32
 574
 575#define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_NAME "fw_load_policy"
 576#define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_TYPE DEVLINK_PARAM_TYPE_U8
 577
 578#define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_NAME \
 579	"reset_dev_on_drv_probe"
 580#define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_TYPE DEVLINK_PARAM_TYPE_U8
 581
 582#define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_NAME "enable_roce"
 583#define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_TYPE DEVLINK_PARAM_TYPE_BOOL
 584
 585#define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_NAME "enable_remote_dev_reset"
 586#define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL
 587
 588#define DEVLINK_PARAM_GENERIC_ENABLE_ETH_NAME "enable_eth"
 589#define DEVLINK_PARAM_GENERIC_ENABLE_ETH_TYPE DEVLINK_PARAM_TYPE_BOOL
 590
 591#define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_NAME "enable_rdma"
 592#define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_TYPE DEVLINK_PARAM_TYPE_BOOL
 593
 594#define DEVLINK_PARAM_GENERIC_ENABLE_VNET_NAME "enable_vnet"
 595#define DEVLINK_PARAM_GENERIC_ENABLE_VNET_TYPE DEVLINK_PARAM_TYPE_BOOL
 596
 597#define DEVLINK_PARAM_GENERIC_ENABLE_IWARP_NAME "enable_iwarp"
 598#define DEVLINK_PARAM_GENERIC_ENABLE_IWARP_TYPE DEVLINK_PARAM_TYPE_BOOL
 599
 600#define DEVLINK_PARAM_GENERIC_IO_EQ_SIZE_NAME "io_eq_size"
 601#define DEVLINK_PARAM_GENERIC_IO_EQ_SIZE_TYPE DEVLINK_PARAM_TYPE_U32
 602
 603#define DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_NAME "event_eq_size"
 604#define DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_TYPE DEVLINK_PARAM_TYPE_U32
 605
 606#define DEVLINK_PARAM_GENERIC_ENABLE_PHC_NAME "enable_phc"
 607#define DEVLINK_PARAM_GENERIC_ENABLE_PHC_TYPE DEVLINK_PARAM_TYPE_BOOL
 608
 609#define DEVLINK_PARAM_GENERIC_CLOCK_ID_NAME "clock_id"
 610#define DEVLINK_PARAM_GENERIC_CLOCK_ID_TYPE DEVLINK_PARAM_TYPE_U64
 611
 612#define DEVLINK_PARAM_GENERIC_TOTAL_VFS_NAME "total_vfs"
 613#define DEVLINK_PARAM_GENERIC_TOTAL_VFS_TYPE DEVLINK_PARAM_TYPE_U32
 614
 615#define DEVLINK_PARAM_GENERIC_NUM_DOORBELLS_NAME "num_doorbells"
 616#define DEVLINK_PARAM_GENERIC_NUM_DOORBELLS_TYPE DEVLINK_PARAM_TYPE_U32
 617
 618#define DEVLINK_PARAM_GENERIC_MAX_MAC_PER_VF_NAME "max_mac_per_vf"
 619#define DEVLINK_PARAM_GENERIC_MAX_MAC_PER_VF_TYPE DEVLINK_PARAM_TYPE_U32
 620
 621#define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate)	\
 622{									\
 623	.id = DEVLINK_PARAM_GENERIC_ID_##_id,				\
 624	.name = DEVLINK_PARAM_GENERIC_##_id##_NAME,			\
 625	.type = DEVLINK_PARAM_GENERIC_##_id##_TYPE,			\
 626	.generic = true,						\
 627	.supported_cmodes = _cmodes,					\
 628	.get = _get,							\
 629	.set = _set,							\
 630	.validate = _validate,						\
 631}
 632
 633#define DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, _get, _set, _validate)	\
 634{									\
 635	.id = _id,							\
 636	.name = _name,							\
 637	.type = _type,							\
 638	.supported_cmodes = _cmodes,					\
 639	.get = _get,							\
 640	.set = _set,							\
 641	.validate = _validate,						\
 642}
 643
 644#define DEVLINK_PARAM_GENERIC_WITH_DEFAULTS(_id, _cmodes, _get, _set,	      \
 645					    _validate, _get_default,	      \
 646					    _reset_default)		      \
 647{									      \
 648	.id = DEVLINK_PARAM_GENERIC_ID_##_id,				      \
 649	.name = DEVLINK_PARAM_GENERIC_##_id##_NAME,			      \
 650	.type = DEVLINK_PARAM_GENERIC_##_id##_TYPE,			      \
 651	.generic = true,						      \
 652	.supported_cmodes = _cmodes,					      \
 653	.get = _get,							      \
 654	.set = _set,							      \
 655	.validate = _validate,						      \
 656	.get_default = _get_default,					      \
 657	.reset_default = _reset_default,				      \
 658}
 659
 660#define DEVLINK_PARAM_DRIVER_WITH_DEFAULTS(_id, _name, _type, _cmodes,	      \
 661					   _get, _set, _validate,	      \
 662					   _get_default, _reset_default)      \
 663{									      \
 664	.id = _id,							      \
 665	.name = _name,							      \
 666	.type = _type,							      \
 667	.supported_cmodes = _cmodes,					      \
 668	.get = _get,							      \
 669	.set = _set,							      \
 670	.validate = _validate,						      \
 671	.get_default = _get_default,					      \
 672	.reset_default = _reset_default,				      \
 673}
 674
 675/* Identifier of board design */
 676#define DEVLINK_INFO_VERSION_GENERIC_BOARD_ID	"board.id"
 677/* Revision of board design */
 678#define DEVLINK_INFO_VERSION_GENERIC_BOARD_REV	"board.rev"
 679/* Maker of the board */
 680#define DEVLINK_INFO_VERSION_GENERIC_BOARD_MANUFACTURE	"board.manufacture"
 681/* Part number of the board and its components */
 682#define DEVLINK_INFO_VERSION_GENERIC_BOARD_PART_NUMBER	"board.part_number"
 683
 684/* Part number, identifier of asic design */
 685#define DEVLINK_INFO_VERSION_GENERIC_ASIC_ID	"asic.id"
 686/* Revision of asic design */
 687#define DEVLINK_INFO_VERSION_GENERIC_ASIC_REV	"asic.rev"
 688
 689/* Overall FW version */
 690#define DEVLINK_INFO_VERSION_GENERIC_FW		"fw"
 691/* Control processor FW version */
 692#define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT	"fw.mgmt"
 693/* FW interface specification version */
 694#define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT_API	"fw.mgmt.api"
 695/* Data path microcode controlling high-speed packet processing */
 696#define DEVLINK_INFO_VERSION_GENERIC_FW_APP	"fw.app"
 697/* UNDI software version */
 698#define DEVLINK_INFO_VERSION_GENERIC_FW_UNDI	"fw.undi"
 699/* NCSI support/handler version */
 700#define DEVLINK_INFO_VERSION_GENERIC_FW_NCSI	"fw.ncsi"
 701/* FW parameter set id */
 702#define DEVLINK_INFO_VERSION_GENERIC_FW_PSID	"fw.psid"
 703/* RoCE FW version */
 704#define DEVLINK_INFO_VERSION_GENERIC_FW_ROCE	"fw.roce"
 705/* Firmware bundle identifier */
 706#define DEVLINK_INFO_VERSION_GENERIC_FW_BUNDLE_ID	"fw.bundle_id"
 707/* Bootloader */
 708#define DEVLINK_INFO_VERSION_GENERIC_FW_BOOTLOADER	"fw.bootloader"
 709
 710/**
 711 * struct devlink_flash_update_params - Flash Update parameters
 712 * @fw: pointer to the firmware data to update from
 713 * @component: the flash component to update
 714 * @overwrite_mask: which types of flash update are supported (may be %0)
 715 *
 716 * With the exception of fw, drivers must opt-in to parameters by
 717 * setting the appropriate bit in the supported_flash_update_params field in
 718 * their devlink_ops structure.
 719 */
 720struct devlink_flash_update_params {
 721	const struct firmware *fw;
 722	const char *component;
 723	u32 overwrite_mask;
 724};
 725
 726#define DEVLINK_SUPPORT_FLASH_UPDATE_OVERWRITE_MASK	BIT(0)
 727
 728struct devlink_region;
 729struct devlink_info_req;
 730
 731/**
 732 * struct devlink_region_ops - Region operations
 733 * @name: region name
 734 * @destructor: callback used to free snapshot memory when deleting
 735 * @snapshot: callback to request an immediate snapshot. On success,
 736 *            the data variable must be updated to point to the snapshot data.
 737 *            The function will be called while the devlink instance lock is
 738 *            held.
 739 * @read: callback to directly read a portion of the region. On success,
 740 *        the data pointer will be updated with the contents of the
 741 *        requested portion of the region. The function will be called
 742 *        while the devlink instance lock is held.
 743 * @priv: Pointer to driver private data for the region operation
 744 */
 745struct devlink_region_ops {
 746	const char *name;
 747	void (*destructor)(const void *data);
 748	int (*snapshot)(struct devlink *devlink,
 749			const struct devlink_region_ops *ops,
 750			struct netlink_ext_ack *extack,
 751			u8 **data);
 752	int (*read)(struct devlink *devlink,
 753		    const struct devlink_region_ops *ops,
 754		    struct netlink_ext_ack *extack,
 755		    u64 offset, u32 size, u8 *data);
 756	void *priv;
 757};
 758
 759/**
 760 * struct devlink_port_region_ops - Region operations for a port
 761 * @name: region name
 762 * @destructor: callback used to free snapshot memory when deleting
 763 * @snapshot: callback to request an immediate snapshot. On success,
 764 *            the data variable must be updated to point to the snapshot data.
 765 *            The function will be called while the devlink instance lock is
 766 *            held.
 767 * @read: callback to directly read a portion of the region. On success,
 768 *        the data pointer will be updated with the contents of the
 769 *        requested portion of the region. The function will be called
 770 *        while the devlink instance lock is held.
 771 * @priv: Pointer to driver private data for the region operation
 772 */
 773struct devlink_port_region_ops {
 774	const char *name;
 775	void (*destructor)(const void *data);
 776	int (*snapshot)(struct devlink_port *port,
 777			const struct devlink_port_region_ops *ops,
 778			struct netlink_ext_ack *extack,
 779			u8 **data);
 780	int (*read)(struct devlink_port *port,
 781		    const struct devlink_port_region_ops *ops,
 782		    struct netlink_ext_ack *extack,
 783		    u64 offset, u32 size, u8 *data);
 784	void *priv;
 785};
 786
 787struct devlink_fmsg;
 788struct devlink_health_reporter;
 789
 790enum devlink_health_reporter_state {
 791	DEVLINK_HEALTH_REPORTER_STATE_HEALTHY,
 792	DEVLINK_HEALTH_REPORTER_STATE_ERROR,
 793};
 794
 795/**
 796 * struct devlink_health_reporter_ops - Reporter operations
 797 * @name: reporter name
 798 * @recover: callback to recover from reported error
 799 *           if priv_ctx is NULL, run a full recover
 800 * @dump: callback to dump an object
 801 *        if priv_ctx is NULL, run a full dump
 802 * @diagnose: callback to diagnose the current status
 803 * @test: callback to trigger a test event
 804 * @default_graceful_period: default min time (in msec)
 805 *	between recovery attempts
 806 * @default_burst_period: default time (in msec) for
 807 *	error recoveries before starting the grace period
 808 */
 809
 810struct devlink_health_reporter_ops {
 811	char *name;
 812	int (*recover)(struct devlink_health_reporter *reporter,
 813		       void *priv_ctx, struct netlink_ext_ack *extack);
 814	int (*dump)(struct devlink_health_reporter *reporter,
 815		    struct devlink_fmsg *fmsg, void *priv_ctx,
 816		    struct netlink_ext_ack *extack);
 817	int (*diagnose)(struct devlink_health_reporter *reporter,
 818			struct devlink_fmsg *fmsg,
 819			struct netlink_ext_ack *extack);
 820	int (*test)(struct devlink_health_reporter *reporter,
 821		    struct netlink_ext_ack *extack);
 822	u64 default_graceful_period;
 823	u64 default_burst_period;
 824};
 825
 826/**
 827 * struct devlink_trap_metadata - Packet trap metadata.
 828 * @trap_name: Trap name.
 829 * @trap_group_name: Trap group name.
 830 * @input_dev: Input netdevice.
 831 * @dev_tracker: refcount tracker for @input_dev.
 832 * @fa_cookie: Flow action user cookie.
 833 * @trap_type: Trap type.
 834 */
 835struct devlink_trap_metadata {
 836	const char *trap_name;
 837	const char *trap_group_name;
 838
 839	struct net_device *input_dev;
 840	netdevice_tracker dev_tracker;
 841
 842	const struct flow_action_cookie *fa_cookie;
 843	enum devlink_trap_type trap_type;
 844};
 845
 846/**
 847 * struct devlink_trap_policer - Immutable packet trap policer attributes.
 848 * @id: Policer identifier.
 849 * @init_rate: Initial rate in packets / sec.
 850 * @init_burst: Initial burst size in packets.
 851 * @max_rate: Maximum rate.
 852 * @min_rate: Minimum rate.
 853 * @max_burst: Maximum burst size.
 854 * @min_burst: Minimum burst size.
 855 *
 856 * Describes immutable attributes of packet trap policers that drivers register
 857 * with devlink.
 858 */
 859struct devlink_trap_policer {
 860	u32 id;
 861	u64 init_rate;
 862	u64 init_burst;
 863	u64 max_rate;
 864	u64 min_rate;
 865	u64 max_burst;
 866	u64 min_burst;
 867};
 868
 869/**
 870 * struct devlink_trap_group - Immutable packet trap group attributes.
 871 * @name: Trap group name.
 872 * @id: Trap group identifier.
 873 * @generic: Whether the trap group is generic or not.
 874 * @init_policer_id: Initial policer identifier.
 875 *
 876 * Describes immutable attributes of packet trap groups that drivers register
 877 * with devlink.
 878 */
 879struct devlink_trap_group {
 880	const char *name;
 881	u16 id;
 882	bool generic;
 883	u32 init_policer_id;
 884};
 885
 886#define DEVLINK_TRAP_METADATA_TYPE_F_IN_PORT	BIT(0)
 887#define DEVLINK_TRAP_METADATA_TYPE_F_FA_COOKIE	BIT(1)
 888
 889/**
 890 * struct devlink_trap - Immutable packet trap attributes.
 891 * @type: Trap type.
 892 * @init_action: Initial trap action.
 893 * @generic: Whether the trap is generic or not.
 894 * @id: Trap identifier.
 895 * @name: Trap name.
 896 * @init_group_id: Initial group identifier.
 897 * @metadata_cap: Metadata types that can be provided by the trap.
 898 *
 899 * Describes immutable attributes of packet traps that drivers register with
 900 * devlink.
 901 */
 902struct devlink_trap {
 903	enum devlink_trap_type type;
 904	enum devlink_trap_action init_action;
 905	bool generic;
 906	u16 id;
 907	const char *name;
 908	u16 init_group_id;
 909	u32 metadata_cap;
 910};
 911
 912/* All traps must be documented in
 913 * Documentation/networking/devlink/devlink-trap.rst
 914 */
 915enum devlink_trap_generic_id {
 916	DEVLINK_TRAP_GENERIC_ID_SMAC_MC,
 917	DEVLINK_TRAP_GENERIC_ID_VLAN_TAG_MISMATCH,
 918	DEVLINK_TRAP_GENERIC_ID_INGRESS_VLAN_FILTER,
 919	DEVLINK_TRAP_GENERIC_ID_INGRESS_STP_FILTER,
 920	DEVLINK_TRAP_GENERIC_ID_EMPTY_TX_LIST,
 921	DEVLINK_TRAP_GENERIC_ID_PORT_LOOPBACK_FILTER,
 922	DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_ROUTE,
 923	DEVLINK_TRAP_GENERIC_ID_TTL_ERROR,
 924	DEVLINK_TRAP_GENERIC_ID_TAIL_DROP,
 925	DEVLINK_TRAP_GENERIC_ID_NON_IP_PACKET,
 926	DEVLINK_TRAP_GENERIC_ID_UC_DIP_MC_DMAC,
 927	DEVLINK_TRAP_GENERIC_ID_DIP_LB,
 928	DEVLINK_TRAP_GENERIC_ID_SIP_MC,
 929	DEVLINK_TRAP_GENERIC_ID_SIP_LB,
 930	DEVLINK_TRAP_GENERIC_ID_CORRUPTED_IP_HDR,
 931	DEVLINK_TRAP_GENERIC_ID_IPV4_SIP_BC,
 932	DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_RESERVED_SCOPE,
 933	DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE,
 934	DEVLINK_TRAP_GENERIC_ID_MTU_ERROR,
 935	DEVLINK_TRAP_GENERIC_ID_UNRESOLVED_NEIGH,
 936	DEVLINK_TRAP_GENERIC_ID_RPF,
 937	DEVLINK_TRAP_GENERIC_ID_REJECT_ROUTE,
 938	DEVLINK_TRAP_GENERIC_ID_IPV4_LPM_UNICAST_MISS,
 939	DEVLINK_TRAP_GENERIC_ID_IPV6_LPM_UNICAST_MISS,
 940	DEVLINK_TRAP_GENERIC_ID_NON_ROUTABLE,
 941	DEVLINK_TRAP_GENERIC_ID_DECAP_ERROR,
 942	DEVLINK_TRAP_GENERIC_ID_OVERLAY_SMAC_MC,
 943	DEVLINK_TRAP_GENERIC_ID_INGRESS_FLOW_ACTION_DROP,
 944	DEVLINK_TRAP_GENERIC_ID_EGRESS_FLOW_ACTION_DROP,
 945	DEVLINK_TRAP_GENERIC_ID_STP,
 946	DEVLINK_TRAP_GENERIC_ID_LACP,
 947	DEVLINK_TRAP_GENERIC_ID_LLDP,
 948	DEVLINK_TRAP_GENERIC_ID_IGMP_QUERY,
 949	DEVLINK_TRAP_GENERIC_ID_IGMP_V1_REPORT,
 950	DEVLINK_TRAP_GENERIC_ID_IGMP_V2_REPORT,
 951	DEVLINK_TRAP_GENERIC_ID_IGMP_V3_REPORT,
 952	DEVLINK_TRAP_GENERIC_ID_IGMP_V2_LEAVE,
 953	DEVLINK_TRAP_GENERIC_ID_MLD_QUERY,
 954	DEVLINK_TRAP_GENERIC_ID_MLD_V1_REPORT,
 955	DEVLINK_TRAP_GENERIC_ID_MLD_V2_REPORT,
 956	DEVLINK_TRAP_GENERIC_ID_MLD_V1_DONE,
 957	DEVLINK_TRAP_GENERIC_ID_IPV4_DHCP,
 958	DEVLINK_TRAP_GENERIC_ID_IPV6_DHCP,
 959	DEVLINK_TRAP_GENERIC_ID_ARP_REQUEST,
 960	DEVLINK_TRAP_GENERIC_ID_ARP_RESPONSE,
 961	DEVLINK_TRAP_GENERIC_ID_ARP_OVERLAY,
 962	DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_SOLICIT,
 963	DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_ADVERT,
 964	DEVLINK_TRAP_GENERIC_ID_IPV4_BFD,
 965	DEVLINK_TRAP_GENERIC_ID_IPV6_BFD,
 966	DEVLINK_TRAP_GENERIC_ID_IPV4_OSPF,
 967	DEVLINK_TRAP_GENERIC_ID_IPV6_OSPF,
 968	DEVLINK_TRAP_GENERIC_ID_IPV4_BGP,
 969	DEVLINK_TRAP_GENERIC_ID_IPV6_BGP,
 970	DEVLINK_TRAP_GENERIC_ID_IPV4_VRRP,
 971	DEVLINK_TRAP_GENERIC_ID_IPV6_VRRP,
 972	DEVLINK_TRAP_GENERIC_ID_IPV4_PIM,
 973	DEVLINK_TRAP_GENERIC_ID_IPV6_PIM,
 974	DEVLINK_TRAP_GENERIC_ID_UC_LB,
 975	DEVLINK_TRAP_GENERIC_ID_LOCAL_ROUTE,
 976	DEVLINK_TRAP_GENERIC_ID_EXTERNAL_ROUTE,
 977	DEVLINK_TRAP_GENERIC_ID_IPV6_UC_DIP_LINK_LOCAL_SCOPE,
 978	DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_NODES,
 979	DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_ROUTERS,
 980	DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_SOLICIT,
 981	DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ADVERT,
 982	DEVLINK_TRAP_GENERIC_ID_IPV6_REDIRECT,
 983	DEVLINK_TRAP_GENERIC_ID_IPV4_ROUTER_ALERT,
 984	DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ALERT,
 985	DEVLINK_TRAP_GENERIC_ID_PTP_EVENT,
 986	DEVLINK_TRAP_GENERIC_ID_PTP_GENERAL,
 987	DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_SAMPLE,
 988	DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_TRAP,
 989	DEVLINK_TRAP_GENERIC_ID_EARLY_DROP,
 990	DEVLINK_TRAP_GENERIC_ID_VXLAN_PARSING,
 991	DEVLINK_TRAP_GENERIC_ID_LLC_SNAP_PARSING,
 992	DEVLINK_TRAP_GENERIC_ID_VLAN_PARSING,
 993	DEVLINK_TRAP_GENERIC_ID_PPPOE_PPP_PARSING,
 994	DEVLINK_TRAP_GENERIC_ID_MPLS_PARSING,
 995	DEVLINK_TRAP_GENERIC_ID_ARP_PARSING,
 996	DEVLINK_TRAP_GENERIC_ID_IP_1_PARSING,
 997	DEVLINK_TRAP_GENERIC_ID_IP_N_PARSING,
 998	DEVLINK_TRAP_GENERIC_ID_GRE_PARSING,
 999	DEVLINK_TRAP_GENERIC_ID_UDP_PARSING,
1000	DEVLINK_TRAP_GENERIC_ID_TCP_PARSING,
1001	DEVLINK_TRAP_GENERIC_ID_IPSEC_PARSING,
1002	DEVLINK_TRAP_GENERIC_ID_SCTP_PARSING,
1003	DEVLINK_TRAP_GENERIC_ID_DCCP_PARSING,
1004	DEVLINK_TRAP_GENERIC_ID_GTP_PARSING,
1005	DEVLINK_TRAP_GENERIC_ID_ESP_PARSING,
1006	DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_NEXTHOP,
1007	DEVLINK_TRAP_GENERIC_ID_DMAC_FILTER,
1008	DEVLINK_TRAP_GENERIC_ID_EAPOL,
1009	DEVLINK_TRAP_GENERIC_ID_LOCKED_PORT,
1010
1011	/* Add new generic trap IDs above */
1012	__DEVLINK_TRAP_GENERIC_ID_MAX,
1013	DEVLINK_TRAP_GENERIC_ID_MAX = __DEVLINK_TRAP_GENERIC_ID_MAX - 1,
1014};
1015
1016/* All trap groups must be documented in
1017 * Documentation/networking/devlink/devlink-trap.rst
1018 */
1019enum devlink_trap_group_generic_id {
1020	DEVLINK_TRAP_GROUP_GENERIC_ID_L2_DROPS,
1021	DEVLINK_TRAP_GROUP_GENERIC_ID_L3_DROPS,
1022	DEVLINK_TRAP_GROUP_GENERIC_ID_L3_EXCEPTIONS,
1023	DEVLINK_TRAP_GROUP_GENERIC_ID_BUFFER_DROPS,
1024	DEVLINK_TRAP_GROUP_GENERIC_ID_TUNNEL_DROPS,
1025	DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_DROPS,
1026	DEVLINK_TRAP_GROUP_GENERIC_ID_STP,
1027	DEVLINK_TRAP_GROUP_GENERIC_ID_LACP,
1028	DEVLINK_TRAP_GROUP_GENERIC_ID_LLDP,
1029	DEVLINK_TRAP_GROUP_GENERIC_ID_MC_SNOOPING,
1030	DEVLINK_TRAP_GROUP_GENERIC_ID_DHCP,
1031	DEVLINK_TRAP_GROUP_GENERIC_ID_NEIGH_DISCOVERY,
1032	DEVLINK_TRAP_GROUP_GENERIC_ID_BFD,
1033	DEVLINK_TRAP_GROUP_GENERIC_ID_OSPF,
1034	DEVLINK_TRAP_GROUP_GENERIC_ID_BGP,
1035	DEVLINK_TRAP_GROUP_GENERIC_ID_VRRP,
1036	DEVLINK_TRAP_GROUP_GENERIC_ID_PIM,
1037	DEVLINK_TRAP_GROUP_GENERIC_ID_UC_LB,
1038	DEVLINK_TRAP_GROUP_GENERIC_ID_LOCAL_DELIVERY,
1039	DEVLINK_TRAP_GROUP_GENERIC_ID_EXTERNAL_DELIVERY,
1040	DEVLINK_TRAP_GROUP_GENERIC_ID_IPV6,
1041	DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_EVENT,
1042	DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_GENERAL,
1043	DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_SAMPLE,
1044	DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_TRAP,
1045	DEVLINK_TRAP_GROUP_GENERIC_ID_PARSER_ERROR_DROPS,
1046	DEVLINK_TRAP_GROUP_GENERIC_ID_EAPOL,
1047
1048	/* Add new generic trap group IDs above */
1049	__DEVLINK_TRAP_GROUP_GENERIC_ID_MAX,
1050	DEVLINK_TRAP_GROUP_GENERIC_ID_MAX =
1051		__DEVLINK_TRAP_GROUP_GENERIC_ID_MAX - 1,
1052};
1053
1054#define DEVLINK_TRAP_GENERIC_NAME_SMAC_MC \
1055	"source_mac_is_multicast"
1056#define DEVLINK_TRAP_GENERIC_NAME_VLAN_TAG_MISMATCH \
1057	"vlan_tag_mismatch"
1058#define DEVLINK_TRAP_GENERIC_NAME_INGRESS_VLAN_FILTER \
1059	"ingress_vlan_filter"
1060#define DEVLINK_TRAP_GENERIC_NAME_INGRESS_STP_FILTER \
1061	"ingress_spanning_tree_filter"
1062#define DEVLINK_TRAP_GENERIC_NAME_EMPTY_TX_LIST \
1063	"port_list_is_empty"
1064#define DEVLINK_TRAP_GENERIC_NAME_PORT_LOOPBACK_FILTER \
1065	"port_loopback_filter"
1066#define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_ROUTE \
1067	"blackhole_route"
1068#define DEVLINK_TRAP_GENERIC_NAME_TTL_ERROR \
1069	"ttl_value_is_too_small"
1070#define DEVLINK_TRAP_GENERIC_NAME_TAIL_DROP \
1071	"tail_drop"
1072#define DEVLINK_TRAP_GENERIC_NAME_NON_IP_PACKET \
1073	"non_ip"
1074#define DEVLINK_TRAP_GENERIC_NAME_UC_DIP_MC_DMAC \
1075	"uc_dip_over_mc_dmac"
1076#define DEVLINK_TRAP_GENERIC_NAME_DIP_LB \
1077	"dip_is_loopback_address"
1078#define DEVLINK_TRAP_GENERIC_NAME_SIP_MC \
1079	"sip_is_mc"
1080#define DEVLINK_TRAP_GENERIC_NAME_SIP_LB \
1081	"sip_is_loopback_address"
1082#define DEVLINK_TRAP_GENERIC_NAME_CORRUPTED_IP_HDR \
1083	"ip_header_corrupted"
1084#define DEVLINK_TRAP_GENERIC_NAME_IPV4_SIP_BC \
1085	"ipv4_sip_is_limited_bc"
1086#define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_RESERVED_SCOPE \
1087	"ipv6_mc_dip_reserved_scope"
1088#define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE \
1089	"ipv6_mc_dip_interface_local_scope"
1090#define DEVLINK_TRAP_GENERIC_NAME_MTU_ERROR \
1091	"mtu_value_is_too_small"
1092#define DEVLINK_TRAP_GENERIC_NAME_UNRESOLVED_NEIGH \
1093	"unresolved_neigh"
1094#define DEVLINK_TRAP_GENERIC_NAME_RPF \
1095	"mc_reverse_path_forwarding"
1096#define DEVLINK_TRAP_GENERIC_NAME_REJECT_ROUTE \
1097	"reject_route"
1098#define DEVLINK_TRAP_GENERIC_NAME_IPV4_LPM_UNICAST_MISS \
1099	"ipv4_lpm_miss"
1100#define DEVLINK_TRAP_GENERIC_NAME_IPV6_LPM_UNICAST_MISS \
1101	"ipv6_lpm_miss"
1102#define DEVLINK_TRAP_GENERIC_NAME_NON_ROUTABLE \
1103	"non_routable_packet"
1104#define DEVLINK_TRAP_GENERIC_NAME_DECAP_ERROR \
1105	"decap_error"
1106#define DEVLINK_TRAP_GENERIC_NAME_OVERLAY_SMAC_MC \
1107	"overlay_smac_is_mc"
1108#define DEVLINK_TRAP_GENERIC_NAME_INGRESS_FLOW_ACTION_DROP \
1109	"ingress_flow_action_drop"
1110#define DEVLINK_TRAP_GENERIC_NAME_EGRESS_FLOW_ACTION_DROP \
1111	"egress_flow_action_drop"
1112#define DEVLINK_TRAP_GENERIC_NAME_STP \
1113	"stp"
1114#define DEVLINK_TRAP_GENERIC_NAME_LACP \
1115	"lacp"
1116#define DEVLINK_TRAP_GENERIC_NAME_LLDP \
1117	"lldp"
1118#define DEVLINK_TRAP_GENERIC_NAME_IGMP_QUERY \
1119	"igmp_query"
1120#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V1_REPORT \
1121	"igmp_v1_report"
1122#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_REPORT \
1123	"igmp_v2_report"
1124#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V3_REPORT \
1125	"igmp_v3_report"
1126#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_LEAVE \
1127	"igmp_v2_leave"
1128#define DEVLINK_TRAP_GENERIC_NAME_MLD_QUERY \
1129	"mld_query"
1130#define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_REPORT \
1131	"mld_v1_report"
1132#define DEVLINK_TRAP_GENERIC_NAME_MLD_V2_REPORT \
1133	"mld_v2_report"
1134#define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_DONE \
1135	"mld_v1_done"
1136#define DEVLINK_TRAP_GENERIC_NAME_IPV4_DHCP \
1137	"ipv4_dhcp"
1138#define DEVLINK_TRAP_GENERIC_NAME_IPV6_DHCP \
1139	"ipv6_dhcp"
1140#define DEVLINK_TRAP_GENERIC_NAME_ARP_REQUEST \
1141	"arp_request"
1142#define DEVLINK_TRAP_GENERIC_NAME_ARP_RESPONSE \
1143	"arp_response"
1144#define DEVLINK_TRAP_GENERIC_NAME_ARP_OVERLAY \
1145	"arp_overlay"
1146#define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_SOLICIT \
1147	"ipv6_neigh_solicit"
1148#define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_ADVERT \
1149	"ipv6_neigh_advert"
1150#define DEVLINK_TRAP_GENERIC_NAME_IPV4_BFD \
1151	"ipv4_bfd"
1152#define DEVLINK_TRAP_GENERIC_NAME_IPV6_BFD \
1153	"ipv6_bfd"
1154#define DEVLINK_TRAP_GENERIC_NAME_IPV4_OSPF \
1155	"ipv4_ospf"
1156#define DEVLINK_TRAP_GENERIC_NAME_IPV6_OSPF \
1157	"ipv6_ospf"
1158#define DEVLINK_TRAP_GENERIC_NAME_IPV4_BGP \
1159	"ipv4_bgp"
1160#define DEVLINK_TRAP_GENERIC_NAME_IPV6_BGP \
1161	"ipv6_bgp"
1162#define DEVLINK_TRAP_GENERIC_NAME_IPV4_VRRP \
1163	"ipv4_vrrp"
1164#define DEVLINK_TRAP_GENERIC_NAME_IPV6_VRRP \
1165	"ipv6_vrrp"
1166#define DEVLINK_TRAP_GENERIC_NAME_IPV4_PIM \
1167	"ipv4_pim"
1168#define DEVLINK_TRAP_GENERIC_NAME_IPV6_PIM \
1169	"ipv6_pim"
1170#define DEVLINK_TRAP_GENERIC_NAME_UC_LB \
1171	"uc_loopback"
1172#define DEVLINK_TRAP_GENERIC_NAME_LOCAL_ROUTE \
1173	"local_route"
1174#define DEVLINK_TRAP_GENERIC_NAME_EXTERNAL_ROUTE \
1175	"external_route"
1176#define DEVLINK_TRAP_GENERIC_NAME_IPV6_UC_DIP_LINK_LOCAL_SCOPE \
1177	"ipv6_uc_dip_link_local_scope"
1178#define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_NODES \
1179	"ipv6_dip_all_nodes"
1180#define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_ROUTERS \
1181	"ipv6_dip_all_routers"
1182#define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_SOLICIT \
1183	"ipv6_router_solicit"
1184#define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ADVERT \
1185	"ipv6_router_advert"
1186#define DEVLINK_TRAP_GENERIC_NAME_IPV6_REDIRECT \
1187	"ipv6_redirect"
1188#define DEVLINK_TRAP_GENERIC_NAME_IPV4_ROUTER_ALERT \
1189	"ipv4_router_alert"
1190#define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ALERT \
1191	"ipv6_router_alert"
1192#define DEVLINK_TRAP_GENERIC_NAME_PTP_EVENT \
1193	"ptp_event"
1194#define DEVLINK_TRAP_GENERIC_NAME_PTP_GENERAL \
1195	"ptp_general"
1196#define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_SAMPLE \
1197	"flow_action_sample"
1198#define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_TRAP \
1199	"flow_action_trap"
1200#define DEVLINK_TRAP_GENERIC_NAME_EARLY_DROP \
1201	"early_drop"
1202#define DEVLINK_TRAP_GENERIC_NAME_VXLAN_PARSING \
1203	"vxlan_parsing"
1204#define DEVLINK_TRAP_GENERIC_NAME_LLC_SNAP_PARSING \
1205	"llc_snap_parsing"
1206#define DEVLINK_TRAP_GENERIC_NAME_VLAN_PARSING \
1207	"vlan_parsing"
1208#define DEVLINK_TRAP_GENERIC_NAME_PPPOE_PPP_PARSING \
1209	"pppoe_ppp_parsing"
1210#define DEVLINK_TRAP_GENERIC_NAME_MPLS_PARSING \
1211	"mpls_parsing"
1212#define DEVLINK_TRAP_GENERIC_NAME_ARP_PARSING \
1213	"arp_parsing"
1214#define DEVLINK_TRAP_GENERIC_NAME_IP_1_PARSING \
1215	"ip_1_parsing"
1216#define DEVLINK_TRAP_GENERIC_NAME_IP_N_PARSING \
1217	"ip_n_parsing"
1218#define DEVLINK_TRAP_GENERIC_NAME_GRE_PARSING \
1219	"gre_parsing"
1220#define DEVLINK_TRAP_GENERIC_NAME_UDP_PARSING \
1221	"udp_parsing"
1222#define DEVLINK_TRAP_GENERIC_NAME_TCP_PARSING \
1223	"tcp_parsing"
1224#define DEVLINK_TRAP_GENERIC_NAME_IPSEC_PARSING \
1225	"ipsec_parsing"
1226#define DEVLINK_TRAP_GENERIC_NAME_SCTP_PARSING \
1227	"sctp_parsing"
1228#define DEVLINK_TRAP_GENERIC_NAME_DCCP_PARSING \
1229	"dccp_parsing"
1230#define DEVLINK_TRAP_GENERIC_NAME_GTP_PARSING \
1231	"gtp_parsing"
1232#define DEVLINK_TRAP_GENERIC_NAME_ESP_PARSING \
1233	"esp_parsing"
1234#define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_NEXTHOP \
1235	"blackhole_nexthop"
1236#define DEVLINK_TRAP_GENERIC_NAME_DMAC_FILTER \
1237	"dmac_filter"
1238#define DEVLINK_TRAP_GENERIC_NAME_EAPOL \
1239	"eapol"
1240#define DEVLINK_TRAP_GENERIC_NAME_LOCKED_PORT \
1241	"locked_port"
1242
1243#define DEVLINK_TRAP_GROUP_GENERIC_NAME_L2_DROPS \
1244	"l2_drops"
1245#define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_DROPS \
1246	"l3_drops"
1247#define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_EXCEPTIONS \
1248	"l3_exceptions"
1249#define DEVLINK_TRAP_GROUP_GENERIC_NAME_BUFFER_DROPS \
1250	"buffer_drops"
1251#define DEVLINK_TRAP_GROUP_GENERIC_NAME_TUNNEL_DROPS \
1252	"tunnel_drops"
1253#define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_DROPS \
1254	"acl_drops"
1255#define DEVLINK_TRAP_GROUP_GENERIC_NAME_STP \
1256	"stp"
1257#define DEVLINK_TRAP_GROUP_GENERIC_NAME_LACP \
1258	"lacp"
1259#define DEVLINK_TRAP_GROUP_GENERIC_NAME_LLDP \
1260	"lldp"
1261#define DEVLINK_TRAP_GROUP_GENERIC_NAME_MC_SNOOPING  \
1262	"mc_snooping"
1263#define DEVLINK_TRAP_GROUP_GENERIC_NAME_DHCP \
1264	"dhcp"
1265#define DEVLINK_TRAP_GROUP_GENERIC_NAME_NEIGH_DISCOVERY \
1266	"neigh_discovery"
1267#define DEVLINK_TRAP_GROUP_GENERIC_NAME_BFD \
1268	"bfd"
1269#define DEVLINK_TRAP_GROUP_GENERIC_NAME_OSPF \
1270	"ospf"
1271#define DEVLINK_TRAP_GROUP_GENERIC_NAME_BGP \
1272	"bgp"
1273#define DEVLINK_TRAP_GROUP_GENERIC_NAME_VRRP \
1274	"vrrp"
1275#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PIM \
1276	"pim"
1277#define DEVLINK_TRAP_GROUP_GENERIC_NAME_UC_LB \
1278	"uc_loopback"
1279#define DEVLINK_TRAP_GROUP_GENERIC_NAME_LOCAL_DELIVERY \
1280	"local_delivery"
1281#define DEVLINK_TRAP_GROUP_GENERIC_NAME_EXTERNAL_DELIVERY \
1282	"external_delivery"
1283#define DEVLINK_TRAP_GROUP_GENERIC_NAME_IPV6 \
1284	"ipv6"
1285#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_EVENT \
1286	"ptp_event"
1287#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_GENERAL \
1288	"ptp_general"
1289#define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_SAMPLE \
1290	"acl_sample"
1291#define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_TRAP \
1292	"acl_trap"
1293#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PARSER_ERROR_DROPS \
1294	"parser_error_drops"
1295#define DEVLINK_TRAP_GROUP_GENERIC_NAME_EAPOL \
1296	"eapol"
1297
1298#define DEVLINK_TRAP_GENERIC(_type, _init_action, _id, _group_id,	      \
1299			     _metadata_cap)				      \
1300	{								      \
1301		.type = DEVLINK_TRAP_TYPE_##_type,			      \
1302		.init_action = DEVLINK_TRAP_ACTION_##_init_action,	      \
1303		.generic = true,					      \
1304		.id = DEVLINK_TRAP_GENERIC_ID_##_id,			      \
1305		.name = DEVLINK_TRAP_GENERIC_NAME_##_id,		      \
1306		.init_group_id = _group_id,				      \
1307		.metadata_cap = _metadata_cap,				      \
1308	}
1309
1310#define DEVLINK_TRAP_DRIVER(_type, _init_action, _id, _name, _group_id,	      \
1311			    _metadata_cap)				      \
1312	{								      \
1313		.type = DEVLINK_TRAP_TYPE_##_type,			      \
1314		.init_action = DEVLINK_TRAP_ACTION_##_init_action,	      \
1315		.generic = false,					      \
1316		.id = _id,						      \
1317		.name = _name,						      \
1318		.init_group_id = _group_id,				      \
1319		.metadata_cap = _metadata_cap,				      \
1320	}
1321
1322#define DEVLINK_TRAP_GROUP_GENERIC(_id, _policer_id)			      \
1323	{								      \
1324		.name = DEVLINK_TRAP_GROUP_GENERIC_NAME_##_id,		      \
1325		.id = DEVLINK_TRAP_GROUP_GENERIC_ID_##_id,		      \
1326		.generic = true,					      \
1327		.init_policer_id = _policer_id,				      \
1328	}
1329
1330#define DEVLINK_TRAP_POLICER(_id, _rate, _burst, _max_rate, _min_rate,	      \
1331			     _max_burst, _min_burst)			      \
1332	{								      \
1333		.id = _id,						      \
1334		.init_rate = _rate,					      \
1335		.init_burst = _burst,					      \
1336		.max_rate = _max_rate,					      \
1337		.min_rate = _min_rate,					      \
1338		.max_burst = _max_burst,				      \
1339		.min_burst = _min_burst,				      \
1340	}
1341
1342#define devlink_fmsg_put(fmsg, name, value) (			\
1343	_Generic((value),					\
1344		bool :		devlink_fmsg_bool_pair_put,	\
1345		u8 :		devlink_fmsg_u8_pair_put,	\
1346		u16 :		devlink_fmsg_u32_pair_put,	\
1347		u32 :		devlink_fmsg_u32_pair_put,	\
1348		u64 :		devlink_fmsg_u64_pair_put,	\
1349		int :		devlink_fmsg_u32_pair_put,	\
1350		char * :	devlink_fmsg_string_pair_put,	\
1351		const char * :	devlink_fmsg_string_pair_put)	\
1352	(fmsg, name, (value)))
1353
1354enum {
1355	/* device supports reload operations */
1356	DEVLINK_F_RELOAD = 1UL << 0,
1357};
1358
1359struct devlink_ops {
1360	/**
1361	 * @supported_flash_update_params:
1362	 * mask of parameters supported by the driver's .flash_update
1363	 * implementation.
1364	 */
1365	u32 supported_flash_update_params;
1366	unsigned long reload_actions;
1367	unsigned long reload_limits;
1368	int (*reload_down)(struct devlink *devlink, bool netns_change,
1369			   enum devlink_reload_action action,
1370			   enum devlink_reload_limit limit,
1371			   struct netlink_ext_ack *extack);
1372	int (*reload_up)(struct devlink *devlink, enum devlink_reload_action action,
1373			 enum devlink_reload_limit limit, u32 *actions_performed,
1374			 struct netlink_ext_ack *extack);
1375	int (*sb_pool_get)(struct devlink *devlink, unsigned int sb_index,
1376			   u16 pool_index,
1377			   struct devlink_sb_pool_info *pool_info);
1378	int (*sb_pool_set)(struct devlink *devlink, unsigned int sb_index,
1379			   u16 pool_index, u32 size,
1380			   enum devlink_sb_threshold_type threshold_type,
1381			   struct netlink_ext_ack *extack);
1382	int (*sb_port_pool_get)(struct devlink_port *devlink_port,
1383				unsigned int sb_index, u16 pool_index,
1384				u32 *p_threshold);
1385	int (*sb_port_pool_set)(struct devlink_port *devlink_port,
1386				unsigned int sb_index, u16 pool_index,
1387				u32 threshold, struct netlink_ext_ack *extack);
1388	int (*sb_tc_pool_bind_get)(struct devlink_port *devlink_port,
1389				   unsigned int sb_index,
1390				   u16 tc_index,
1391				   enum devlink_sb_pool_type pool_type,
1392				   u16 *p_pool_index, u32 *p_threshold);
1393	int (*sb_tc_pool_bind_set)(struct devlink_port *devlink_port,
1394				   unsigned int sb_index,
1395				   u16 tc_index,
1396				   enum devlink_sb_pool_type pool_type,
1397				   u16 pool_index, u32 threshold,
1398				   struct netlink_ext_ack *extack);
1399	int (*sb_occ_snapshot)(struct devlink *devlink,
1400			       unsigned int sb_index);
1401	int (*sb_occ_max_clear)(struct devlink *devlink,
1402				unsigned int sb_index);
1403	int (*sb_occ_port_pool_get)(struct devlink_port *devlink_port,
1404				    unsigned int sb_index, u16 pool_index,
1405				    u32 *p_cur, u32 *p_max);
1406	int (*sb_occ_tc_port_bind_get)(struct devlink_port *devlink_port,
1407				       unsigned int sb_index,
1408				       u16 tc_index,
1409				       enum devlink_sb_pool_type pool_type,
1410				       u32 *p_cur, u32 *p_max);
1411
1412	int (*eswitch_mode_get)(struct devlink *devlink, u16 *p_mode);
1413	int (*eswitch_mode_set)(struct devlink *devlink, u16 mode,
1414				struct netlink_ext_ack *extack);
1415	int (*eswitch_inline_mode_get)(struct devlink *devlink, u8 *p_inline_mode);
1416	int (*eswitch_inline_mode_set)(struct devlink *devlink, u8 inline_mode,
1417				       struct netlink_ext_ack *extack);
1418	int (*eswitch_encap_mode_get)(struct devlink *devlink,
1419				      enum devlink_eswitch_encap_mode *p_encap_mode);
1420	int (*eswitch_encap_mode_set)(struct devlink *devlink,
1421				      enum devlink_eswitch_encap_mode encap_mode,
1422				      struct netlink_ext_ack *extack);
1423	int (*info_get)(struct devlink *devlink, struct devlink_info_req *req,
1424			struct netlink_ext_ack *extack);
1425	/**
1426	 * @flash_update: Device flash update function
1427	 *
1428	 * Used to perform a flash update for the device. The set of
1429	 * parameters supported by the driver should be set in
1430	 * supported_flash_update_params.
1431	 */
1432	int (*flash_update)(struct devlink *devlink,
1433			    struct devlink_flash_update_params *params,
1434			    struct netlink_ext_ack *extack);
1435	/**
1436	 * @trap_init: Trap initialization function.
1437	 *
1438	 * Should be used by device drivers to initialize the trap in the
1439	 * underlying device. Drivers should also store the provided trap
1440	 * context, so that they could efficiently pass it to
1441	 * devlink_trap_report() when the trap is triggered.
1442	 */
1443	int (*trap_init)(struct devlink *devlink,
1444			 const struct devlink_trap *trap, void *trap_ctx);
1445	/**
1446	 * @trap_fini: Trap de-initialization function.
1447	 *
1448	 * Should be used by device drivers to de-initialize the trap in the
1449	 * underlying device.
1450	 */
1451	void (*trap_fini)(struct devlink *devlink,
1452			  const struct devlink_trap *trap, void *trap_ctx);
1453	/**
1454	 * @trap_action_set: Trap action set function.
1455	 */
1456	int (*trap_action_set)(struct devlink *devlink,
1457			       const struct devlink_trap *trap,
1458			       enum devlink_trap_action action,
1459			       struct netlink_ext_ack *extack);
1460	/**
1461	 * @trap_group_init: Trap group initialization function.
1462	 *
1463	 * Should be used by device drivers to initialize the trap group in the
1464	 * underlying device.
1465	 */
1466	int (*trap_group_init)(struct devlink *devlink,
1467			       const struct devlink_trap_group *group);
1468	/**
1469	 * @trap_group_set: Trap group parameters set function.
1470	 *
1471	 * Note: @policer can be NULL when a policer is being unbound from
1472	 * @group.
1473	 */
1474	int (*trap_group_set)(struct devlink *devlink,
1475			      const struct devlink_trap_group *group,
1476			      const struct devlink_trap_policer *policer,
1477			      struct netlink_ext_ack *extack);
1478	/**
1479	 * @trap_group_action_set: Trap group action set function.
1480	 *
1481	 * If this callback is populated, it will take precedence over looping
1482	 * over all traps in a group and calling .trap_action_set().
1483	 */
1484	int (*trap_group_action_set)(struct devlink *devlink,
1485				     const struct devlink_trap_group *group,
1486				     enum devlink_trap_action action,
1487				     struct netlink_ext_ack *extack);
1488	/**
1489	 * @trap_drop_counter_get: Trap drop counter get function.
1490	 *
1491	 * Should be used by device drivers to report number of packets
1492	 * that have been dropped, and cannot be passed to the devlink
1493	 * subsystem by the underlying device.
1494	 */
1495	int (*trap_drop_counter_get)(struct devlink *devlink,
1496				     const struct devlink_trap *trap,
1497				     u64 *p_drops);
1498	/**
1499	 * @trap_policer_init: Trap policer initialization function.
1500	 *
1501	 * Should be used by device drivers to initialize the trap policer in
1502	 * the underlying device.
1503	 */
1504	int (*trap_policer_init)(struct devlink *devlink,
1505				 const struct devlink_trap_policer *policer);
1506	/**
1507	 * @trap_policer_fini: Trap policer de-initialization function.
1508	 *
1509	 * Should be used by device drivers to de-initialize the trap policer
1510	 * in the underlying device.
1511	 */
1512	void (*trap_policer_fini)(struct devlink *devlink,
1513				  const struct devlink_trap_policer *policer);
1514	/**
1515	 * @trap_policer_set: Trap policer parameters set function.
1516	 */
1517	int (*trap_policer_set)(struct devlink *devlink,
1518				const struct devlink_trap_policer *policer,
1519				u64 rate, u64 burst,
1520				struct netlink_ext_ack *extack);
1521	/**
1522	 * @trap_policer_counter_get: Trap policer counter get function.
1523	 *
1524	 * Should be used by device drivers to report number of packets dropped
1525	 * by the policer.
1526	 */
1527	int (*trap_policer_counter_get)(struct devlink *devlink,
1528					const struct devlink_trap_policer *policer,
1529					u64 *p_drops);
1530	/**
1531	 * port_new() - Add a new port function of a specified flavor
1532	 * @devlink: Devlink instance
1533	 * @attrs: attributes of the new port
1534	 * @extack: extack for reporting error messages
1535	 * @devlink_port: pointer to store new devlink port pointer
1536	 *
1537	 * Devlink core will call this device driver function upon user request
1538	 * to create a new port function of a specified flavor and optional
1539	 * attributes
1540	 *
1541	 * Notes:
1542	 *	- On success, drivers must register a port with devlink core
1543	 *
1544	 * Return: 0 on success, negative value otherwise.
1545	 */
1546	int (*port_new)(struct devlink *devlink,
1547			const struct devlink_port_new_attrs *attrs,
1548			struct netlink_ext_ack *extack,
1549			struct devlink_port **devlink_port);
1550
1551	/**
1552	 * Rate control callbacks.
1553	 */
1554	int (*rate_leaf_tx_share_set)(struct devlink_rate *devlink_rate, void *priv,
1555				      u64 tx_share, struct netlink_ext_ack *extack);
1556	int (*rate_leaf_tx_max_set)(struct devlink_rate *devlink_rate, void *priv,
1557				    u64 tx_max, struct netlink_ext_ack *extack);
1558	int (*rate_leaf_tx_priority_set)(struct devlink_rate *devlink_rate, void *priv,
1559					 u32 tx_priority, struct netlink_ext_ack *extack);
1560	int (*rate_leaf_tx_weight_set)(struct devlink_rate *devlink_rate, void *priv,
1561				       u32 tx_weight, struct netlink_ext_ack *extack);
1562	int (*rate_leaf_tc_bw_set)(struct devlink_rate *devlink_rate,
1563				   void *priv, u32 *tc_bw,
1564				   struct netlink_ext_ack *extack);
1565	int (*rate_node_tx_share_set)(struct devlink_rate *devlink_rate, void *priv,
1566				      u64 tx_share, struct netlink_ext_ack *extack);
1567	int (*rate_node_tx_max_set)(struct devlink_rate *devlink_rate, void *priv,
1568				    u64 tx_max, struct netlink_ext_ack *extack);
1569	int (*rate_node_tx_priority_set)(struct devlink_rate *devlink_rate, void *priv,
1570					 u32 tx_priority, struct netlink_ext_ack *extack);
1571	int (*rate_node_tx_weight_set)(struct devlink_rate *devlink_rate, void *priv,
1572				       u32 tx_weight, struct netlink_ext_ack *extack);
1573	int (*rate_node_tc_bw_set)(struct devlink_rate *devlink_rate,
1574				   void *priv, u32 *tc_bw,
1575				   struct netlink_ext_ack *extack);
1576	int (*rate_node_new)(struct devlink_rate *rate_node, void **priv,
1577			     struct netlink_ext_ack *extack);
1578	int (*rate_node_del)(struct devlink_rate *rate_node, void *priv,
1579			     struct netlink_ext_ack *extack);
1580	int (*rate_leaf_parent_set)(struct devlink_rate *child,
1581				    struct devlink_rate *parent,
1582				    void *priv_child, void *priv_parent,
1583				    struct netlink_ext_ack *extack);
1584	int (*rate_node_parent_set)(struct devlink_rate *child,
1585				    struct devlink_rate *parent,
1586				    void *priv_child, void *priv_parent,
1587				    struct netlink_ext_ack *extack);
1588	/**
1589	 * selftests_check() - queries if selftest is supported
1590	 * @devlink: devlink instance
1591	 * @id: test index
1592	 * @extack: extack for reporting error messages
1593	 *
1594	 * Return: true if test is supported by the driver
1595	 */
1596	bool (*selftest_check)(struct devlink *devlink, unsigned int id,
1597			       struct netlink_ext_ack *extack);
1598	/**
1599	 * selftest_run() - Runs a selftest
1600	 * @devlink: devlink instance
1601	 * @id: test index
1602	 * @extack: extack for reporting error messages
1603	 *
1604	 * Return: status of the test
1605	 */
1606	enum devlink_selftest_status
1607	(*selftest_run)(struct devlink *devlink, unsigned int id,
1608			struct netlink_ext_ack *extack);
1609};
1610
1611void *devlink_priv(struct devlink *devlink);
1612struct devlink *priv_to_devlink(void *priv);
1613struct device *devlink_to_dev(const struct devlink *devlink);
1614
1615/* Devlink instance explicit locking */
1616void devl_lock(struct devlink *devlink);
1617int devl_trylock(struct devlink *devlink);
1618void devl_unlock(struct devlink *devlink);
1619void devl_assert_locked(struct devlink *devlink);
1620bool devl_lock_is_held(struct devlink *devlink);
1621DEFINE_GUARD(devl, struct devlink *, devl_lock(_T), devl_unlock(_T));
1622
1623struct ib_device;
1624
1625struct net *devlink_net(const struct devlink *devlink);
1626/* This call is intended for software devices that can create
1627 * devlink instances in other namespaces than init_net.
1628 *
1629 * Drivers that operate on real HW must use devlink_alloc() instead.
1630 */
1631struct devlink *devlink_alloc_ns(const struct devlink_ops *ops,
1632				 size_t priv_size, struct net *net,
1633				 struct device *dev);
1634static inline struct devlink *devlink_alloc(const struct devlink_ops *ops,
1635					    size_t priv_size,
1636					    struct device *dev)
1637{
1638	return devlink_alloc_ns(ops, priv_size, &init_net, dev);
1639}
1640
1641int devl_register(struct devlink *devlink);
1642void devl_unregister(struct devlink *devlink);
1643void devlink_register(struct devlink *devlink);
1644void devlink_unregister(struct devlink *devlink);
1645void devlink_free(struct devlink *devlink);
1646
1647/**
1648 * struct devlink_port_ops - Port operations
1649 * @port_split: Callback used to split the port into multiple ones.
1650 * @port_unsplit: Callback used to unsplit the port group back into
1651 *		  a single port.
1652 * @port_type_set: Callback used to set a type of a port.
1653 * @port_del: Callback used to delete selected port along with related function.
1654 *	      Devlink core calls this upon user request to delete
1655 *	      a port previously created by devlink_ops->port_new().
1656 * @port_fn_hw_addr_get: Callback used to set port function's hardware address.
1657 *			 Should be used by device drivers to report
1658 *			 the hardware address of a function managed
1659 *			 by the devlink port.
1660 * @port_fn_hw_addr_set: Callback used to set port function's hardware address.
1661 *			 Should be used by device drivers to set the hardware
1662 *			 address of a function managed by the devlink port.
1663 * @port_fn_roce_get: Callback used to get port function's RoCE capability.
1664 *		      Should be used by device drivers to report
1665 *		      the current state of RoCE capability of a function
1666 *		      managed by the devlink port.
1667 * @port_fn_roce_set: Callback used to set port function's RoCE capability.
1668 *		      Should be used by device drivers to enable/disable
1669 *		      RoCE capability of a function managed
1670 *		      by the devlink port.
1671 * @port_fn_migratable_get: Callback used to get port function's migratable
1672 *			    capability. Should be used by device drivers
1673 *			    to report the current state of migratable capability
1674 *			    of a function managed by the devlink port.
1675 * @port_fn_migratable_set: Callback used to set port function's migratable
1676 *			    capability. Should be used by device drivers
1677 *			    to enable/disable migratable capability of
1678 *			    a function managed by the devlink port.
1679 * @port_fn_state_get: Callback used to get port function's state.
1680 *		       Should be used by device drivers to report
1681 *		       the current admin and operational state of a
1682 *		       function managed by the devlink port.
1683 * @port_fn_state_set: Callback used to get port function's state.
1684 *		       Should be used by device drivers set
1685 *		       the admin state of a function managed
1686 *		       by the devlink port.
1687 * @port_fn_ipsec_crypto_get: Callback used to get port function's ipsec_crypto
1688 *			      capability. Should be used by device drivers
1689 *			      to report the current state of ipsec_crypto
1690 *			      capability of a function managed by the devlink
1691 *			      port.
1692 * @port_fn_ipsec_crypto_set: Callback used to set port function's ipsec_crypto
1693 *			      capability. Should be used by device drivers to
1694 *			      enable/disable ipsec_crypto capability of a
1695 *			      function managed by the devlink port.
1696 * @port_fn_ipsec_packet_get: Callback used to get port function's ipsec_packet
1697 *			      capability. Should be used by device drivers
1698 *			      to report the current state of ipsec_packet
1699 *			      capability of a function managed by the devlink
1700 *			      port.
1701 * @port_fn_ipsec_packet_set: Callback used to set port function's ipsec_packet
1702 *			      capability. Should be used by device drivers to
1703 *			      enable/disable ipsec_packet capability of a
1704 *			      function managed by the devlink port.
1705 * @port_fn_max_io_eqs_get: Callback used to get port function's maximum number
1706 *			    of event queues. Should be used by device drivers to
1707 *			    report the maximum event queues of a function
1708 *			    managed by the devlink port.
1709 * @port_fn_max_io_eqs_set: Callback used to set port function's maximum number
1710 *			    of event queues. Should be used by device drivers to
1711 *			    configure maximum number of event queues
1712 *			    of a function managed by the devlink port.
1713 *
1714 * Note: Driver should return -EOPNOTSUPP if it doesn't support
1715 * port function (@port_fn_*) handling for a particular port.
1716 */
1717struct devlink_port_ops {
1718	int (*port_split)(struct devlink *devlink, struct devlink_port *port,
1719			  unsigned int count, struct netlink_ext_ack *extack);
1720	int (*port_unsplit)(struct devlink *devlink, struct devlink_port *port,
1721			    struct netlink_ext_ack *extack);
1722	int (*port_type_set)(struct devlink_port *devlink_port,
1723			     enum devlink_port_type port_type);
1724	int (*port_del)(struct devlink *devlink, struct devlink_port *port,
1725			struct netlink_ext_ack *extack);
1726	int (*port_fn_hw_addr_get)(struct devlink_port *port, u8 *hw_addr,
1727				   int *hw_addr_len,
1728				   struct netlink_ext_ack *extack);
1729	int (*port_fn_hw_addr_set)(struct devlink_port *port,
1730				   const u8 *hw_addr, int hw_addr_len,
1731				   struct netlink_ext_ack *extack);
1732	int (*port_fn_roce_get)(struct devlink_port *devlink_port,
1733				bool *is_enable,
1734				struct netlink_ext_ack *extack);
1735	int (*port_fn_roce_set)(struct devlink_port *devlink_port,
1736				bool enable, struct netlink_ext_ack *extack);
1737	int (*port_fn_migratable_get)(struct devlink_port *devlink_port,
1738				      bool *is_enable,
1739				      struct netlink_ext_ack *extack);
1740	int (*port_fn_migratable_set)(struct devlink_port *devlink_port,
1741				      bool enable,
1742				      struct netlink_ext_ack *extack);
1743	int (*port_fn_state_get)(struct devlink_port *port,
1744				 enum devlink_port_fn_state *state,
1745				 enum devlink_port_fn_opstate *opstate,
1746				 struct netlink_ext_ack *extack);
1747	int (*port_fn_state_set)(struct devlink_port *port,
1748				 enum devlink_port_fn_state state,
1749				 struct netlink_ext_ack *extack);
1750	int (*port_fn_ipsec_crypto_get)(struct devlink_port *devlink_port,
1751					bool *is_enable,
1752					struct netlink_ext_ack *extack);
1753	int (*port_fn_ipsec_crypto_set)(struct devlink_port *devlink_port,
1754					bool enable,
1755					struct netlink_ext_ack *extack);
1756	int (*port_fn_ipsec_packet_get)(struct devlink_port *devlink_port,
1757					bool *is_enable,
1758					struct netlink_ext_ack *extack);
1759	int (*port_fn_ipsec_packet_set)(struct devlink_port *devlink_port,
1760					bool enable,
1761					struct netlink_ext_ack *extack);
1762	int (*port_fn_max_io_eqs_get)(struct devlink_port *devlink_port,
1763				      u32 *max_eqs,
1764				      struct netlink_ext_ack *extack);
1765	int (*port_fn_max_io_eqs_set)(struct devlink_port *devlink_port,
1766				      u32 max_eqs,
1767				      struct netlink_ext_ack *extack);
1768};
1769
1770void devlink_port_init(struct devlink *devlink,
1771		       struct devlink_port *devlink_port);
1772void devlink_port_fini(struct devlink_port *devlink_port);
1773
1774int devl_port_register_with_ops(struct devlink *devlink,
1775				struct devlink_port *devlink_port,
1776				unsigned int port_index,
1777				const struct devlink_port_ops *ops);
1778
1779static inline int devl_port_register(struct devlink *devlink,
1780				     struct devlink_port *devlink_port,
1781				     unsigned int port_index)
1782{
1783	return devl_port_register_with_ops(devlink, devlink_port,
1784					   port_index, NULL);
1785}
1786
1787int devlink_port_register_with_ops(struct devlink *devlink,
1788				   struct devlink_port *devlink_port,
1789				   unsigned int port_index,
1790				   const struct devlink_port_ops *ops);
1791
1792static inline int devlink_port_register(struct devlink *devlink,
1793					struct devlink_port *devlink_port,
1794					unsigned int port_index)
1795{
1796	return devlink_port_register_with_ops(devlink, devlink_port,
1797					      port_index, NULL);
1798}
1799
1800void devl_port_unregister(struct devlink_port *devlink_port);
1801void devlink_port_unregister(struct devlink_port *devlink_port);
1802void devlink_port_type_eth_set(struct devlink_port *devlink_port);
1803void devlink_port_type_ib_set(struct devlink_port *devlink_port,
1804			      struct ib_device *ibdev);
1805void devlink_port_type_clear(struct devlink_port *devlink_port);
1806void devlink_port_attrs_set(struct devlink_port *devlink_port,
1807			    const struct devlink_port_attrs *attrs);
1808void devlink_port_attrs_pci_pf_set(struct devlink_port *devlink_port, u32 controller,
1809				   u16 pf, bool external);
1810void devlink_port_attrs_pci_vf_set(struct devlink_port *devlink_port, u32 controller,
1811				   u16 pf, u16 vf, bool external);
1812void devlink_port_attrs_pci_sf_set(struct devlink_port *devlink_port,
1813				   u32 controller, u16 pf, u32 sf,
1814				   bool external);
1815int devl_port_fn_devlink_set(struct devlink_port *devlink_port,
1816			     struct devlink *fn_devlink);
1817struct devlink_rate *
1818devl_rate_node_create(struct devlink *devlink, void *priv, char *node_name,
1819		      struct devlink_rate *parent);
1820int
1821devl_rate_leaf_create(struct devlink_port *devlink_port, void *priv,
1822		      struct devlink_rate *parent);
1823void devl_rate_leaf_destroy(struct devlink_port *devlink_port);
1824void devl_rate_nodes_destroy(struct devlink *devlink);
1825void devlink_port_linecard_set(struct devlink_port *devlink_port,
1826			       struct devlink_linecard *linecard);
1827struct devlink_linecard *
1828devl_linecard_create(struct devlink *devlink, unsigned int linecard_index,
1829		     const struct devlink_linecard_ops *ops, void *priv);
1830void devl_linecard_destroy(struct devlink_linecard *linecard);
1831void devlink_linecard_provision_set(struct devlink_linecard *linecard,
1832				    const char *type);
1833void devlink_linecard_provision_clear(struct devlink_linecard *linecard);
1834void devlink_linecard_provision_fail(struct devlink_linecard *linecard);
1835void devlink_linecard_activate(struct devlink_linecard *linecard);
1836void devlink_linecard_deactivate(struct devlink_linecard *linecard);
1837int devlink_linecard_nested_dl_set(struct devlink_linecard *linecard,
1838				   struct devlink *nested_devlink);
1839int devl_sb_register(struct devlink *devlink, unsigned int sb_index,
1840		     u32 size, u16 ingress_pools_count,
1841		     u16 egress_pools_count, u16 ingress_tc_count,
1842		     u16 egress_tc_count);
1843int devlink_sb_register(struct devlink *devlink, unsigned int sb_index,
1844			u32 size, u16 ingress_pools_count,
1845			u16 egress_pools_count, u16 ingress_tc_count,
1846			u16 egress_tc_count);
1847void devl_sb_unregister(struct devlink *devlink, unsigned int sb_index);
1848void devlink_sb_unregister(struct devlink *devlink, unsigned int sb_index);
1849int devl_dpipe_table_register(struct devlink *devlink,
1850			      const char *table_name,
1851			      const struct devlink_dpipe_table_ops *table_ops,
1852			      void *priv, bool counter_control_extern);
1853void devl_dpipe_table_unregister(struct devlink *devlink,
1854				 const char *table_name);
1855void devl_dpipe_headers_register(struct devlink *devlink,
1856				 struct devlink_dpipe_headers *dpipe_headers);
1857void devl_dpipe_headers_unregister(struct devlink *devlink);
1858bool devlink_dpipe_table_counter_enabled(struct devlink *devlink,
1859					 const char *table_name);
1860int devlink_dpipe_entry_ctx_prepare(struct devlink_dpipe_dump_ctx *dump_ctx);
1861int devlink_dpipe_entry_ctx_append(struct devlink_dpipe_dump_ctx *dump_ctx,
1862				   struct devlink_dpipe_entry *entry);
1863int devlink_dpipe_entry_ctx_close(struct devlink_dpipe_dump_ctx *dump_ctx);
1864void devlink_dpipe_entry_clear(struct devlink_dpipe_entry *entry);
1865int devlink_dpipe_action_put(struct sk_buff *skb,
1866			     struct devlink_dpipe_action *action);
1867int devlink_dpipe_match_put(struct sk_buff *skb,
1868			    struct devlink_dpipe_match *match);
1869extern struct devlink_dpipe_header devlink_dpipe_header_ethernet;
1870extern struct devlink_dpipe_header devlink_dpipe_header_ipv4;
1871extern struct devlink_dpipe_header devlink_dpipe_header_ipv6;
1872
1873int devl_resource_register(struct devlink *devlink,
1874			   const char *resource_name,
1875			   u64 resource_size,
1876			   u64 resource_id,
1877			   u64 parent_resource_id,
1878			   const struct devlink_resource_size_params *size_params);
1879void devl_resources_unregister(struct devlink *devlink);
1880void devlink_resources_unregister(struct devlink *devlink);
1881int devl_resource_size_get(struct devlink *devlink,
1882			   u64 resource_id,
1883			   u64 *p_resource_size);
1884int devl_dpipe_table_resource_set(struct devlink *devlink,
1885				  const char *table_name, u64 resource_id,
1886				  u64 resource_units);
1887void devl_resource_occ_get_register(struct devlink *devlink,
1888				    u64 resource_id,
1889				    devlink_resource_occ_get_t *occ_get,
1890				    void *occ_get_priv);
1891void devl_resource_occ_get_unregister(struct devlink *devlink,
1892				      u64 resource_id);
1893int devl_params_register(struct devlink *devlink,
1894			 const struct devlink_param *params,
1895			 size_t params_count);
1896int devlink_params_register(struct devlink *devlink,
1897			    const struct devlink_param *params,
1898			    size_t params_count);
1899void devl_params_unregister(struct devlink *devlink,
1900			    const struct devlink_param *params,
1901			    size_t params_count);
1902void devlink_params_unregister(struct devlink *devlink,
1903			       const struct devlink_param *params,
1904			       size_t params_count);
1905int devl_param_driverinit_value_get(struct devlink *devlink, u32 param_id,
1906				    union devlink_param_value *val);
1907void devl_param_driverinit_value_set(struct devlink *devlink, u32 param_id,
1908				     union devlink_param_value init_val);
1909void devl_param_value_changed(struct devlink *devlink, u32 param_id);
1910struct devlink_region *devl_region_create(struct devlink *devlink,
1911					  const struct devlink_region_ops *ops,
1912					  u32 region_max_snapshots,
1913					  u64 region_size);
1914struct devlink_region *
1915devlink_region_create(struct devlink *devlink,
1916		      const struct devlink_region_ops *ops,
1917		      u32 region_max_snapshots, u64 region_size);
1918struct devlink_region *
1919devlink_port_region_create(struct devlink_port *port,
1920			   const struct devlink_port_region_ops *ops,
1921			   u32 region_max_snapshots, u64 region_size);
1922void devl_region_destroy(struct devlink_region *region);
1923void devlink_region_destroy(struct devlink_region *region);
1924int devlink_region_snapshot_id_get(struct devlink *devlink, u32 *id);
1925void devlink_region_snapshot_id_put(struct devlink *devlink, u32 id);
1926int devlink_region_snapshot_create(struct devlink_region *region,
1927				   u8 *data, u32 snapshot_id);
1928int devlink_info_serial_number_put(struct devlink_info_req *req,
1929				   const char *sn);
1930int devlink_info_board_serial_number_put(struct devlink_info_req *req,
1931					 const char *bsn);
1932
1933enum devlink_info_version_type {
1934	DEVLINK_INFO_VERSION_TYPE_NONE,
1935	DEVLINK_INFO_VERSION_TYPE_COMPONENT, /* May be used as flash update
1936					      * component by name.
1937					      */
1938};
1939
1940int devlink_info_version_fixed_put(struct devlink_info_req *req,
1941				   const char *version_name,
1942				   const char *version_value);
1943int devlink_info_version_stored_put(struct devlink_info_req *req,
1944				    const char *version_name,
1945				    const char *version_value);
1946int devlink_info_version_stored_put_ext(struct devlink_info_req *req,
1947					const char *version_name,
1948					const char *version_value,
1949					enum devlink_info_version_type version_type);
1950int devlink_info_version_running_put(struct devlink_info_req *req,
1951				     const char *version_name,
1952				     const char *version_value);
1953int devlink_info_version_running_put_ext(struct devlink_info_req *req,
1954					 const char *version_name,
1955					 const char *version_value,
1956					 enum devlink_info_version_type version_type);
1957
1958void devlink_fmsg_obj_nest_start(struct devlink_fmsg *fmsg);
1959void devlink_fmsg_obj_nest_end(struct devlink_fmsg *fmsg);
1960
1961void devlink_fmsg_pair_nest_start(struct devlink_fmsg *fmsg, const char *name);
1962void devlink_fmsg_pair_nest_end(struct devlink_fmsg *fmsg);
1963
1964void devlink_fmsg_arr_pair_nest_start(struct devlink_fmsg *fmsg,
1965				      const char *name);
1966void devlink_fmsg_arr_pair_nest_end(struct devlink_fmsg *fmsg);
1967void devlink_fmsg_binary_pair_nest_start(struct devlink_fmsg *fmsg,
1968					 const char *name);
1969void devlink_fmsg_binary_pair_nest_end(struct devlink_fmsg *fmsg);
1970
1971void devlink_fmsg_u32_put(struct devlink_fmsg *fmsg, u32 value);
1972void devlink_fmsg_string_put(struct devlink_fmsg *fmsg, const char *value);
1973void devlink_fmsg_binary_put(struct devlink_fmsg *fmsg, const void *value,
1974			     u16 value_len);
1975
1976void devlink_fmsg_bool_pair_put(struct devlink_fmsg *fmsg, const char *name,
1977				bool value);
1978void devlink_fmsg_u8_pair_put(struct devlink_fmsg *fmsg, const char *name,
1979			      u8 value);
1980void devlink_fmsg_u32_pair_put(struct devlink_fmsg *fmsg, const char *name,
1981			       u32 value);
1982void devlink_fmsg_u64_pair_put(struct devlink_fmsg *fmsg, const char *name,
1983			       u64 value);
1984void devlink_fmsg_string_pair_put(struct devlink_fmsg *fmsg, const char *name,
1985				  const char *value);
1986void devlink_fmsg_binary_pair_put(struct devlink_fmsg *fmsg, const char *name,
1987				  const void *value, u32 value_len);
1988
1989struct devlink_health_reporter *
1990devl_port_health_reporter_create(struct devlink_port *port,
1991				 const struct devlink_health_reporter_ops *ops,
1992				 void *priv);
1993
1994struct devlink_health_reporter *
1995devlink_port_health_reporter_create(struct devlink_port *port,
1996				    const struct devlink_health_reporter_ops *ops,
1997				    void *priv);
1998
1999struct devlink_health_reporter *
2000devl_health_reporter_create(struct devlink *devlink,
2001			    const struct devlink_health_reporter_ops *ops,
2002			    void *priv);
2003
2004struct devlink_health_reporter *
2005devlink_health_reporter_create(struct devlink *devlink,
2006			       const struct devlink_health_reporter_ops *ops,
2007			       void *priv);
2008
2009void
2010devl_health_reporter_destroy(struct devlink_health_reporter *reporter);
2011
2012void
2013devlink_health_reporter_destroy(struct devlink_health_reporter *reporter);
2014
2015void *
2016devlink_health_reporter_priv(struct devlink_health_reporter *reporter);
2017int devlink_health_report(struct devlink_health_reporter *reporter,
2018			  const char *msg, void *priv_ctx);
2019void
2020devlink_health_reporter_state_update(struct devlink_health_reporter *reporter,
2021				     enum devlink_health_reporter_state state);
2022void
2023devlink_health_reporter_recovery_done(struct devlink_health_reporter *reporter);
2024
2025int devl_nested_devlink_set(struct devlink *devlink,
2026			    struct devlink *nested_devlink);
2027bool devlink_is_reload_failed(const struct devlink *devlink);
2028void devlink_remote_reload_actions_performed(struct devlink *devlink,
2029					     enum devlink_reload_limit limit,
2030					     u32 actions_performed);
2031
2032void devlink_flash_update_status_notify(struct devlink *devlink,
2033					const char *status_msg,
2034					const char *component,
2035					unsigned long done,
2036					unsigned long total);
2037void devlink_flash_update_timeout_notify(struct devlink *devlink,
2038					 const char *status_msg,
2039					 const char *component,
2040					 unsigned long timeout);
2041
2042int devl_traps_register(struct devlink *devlink,
2043			const struct devlink_trap *traps,
2044			size_t traps_count, void *priv);
2045int devlink_traps_register(struct devlink *devlink,
2046			   const struct devlink_trap *traps,
2047			   size_t traps_count, void *priv);
2048void devl_traps_unregister(struct devlink *devlink,
2049			   const struct devlink_trap *traps,
2050			   size_t traps_count);
2051void devlink_traps_unregister(struct devlink *devlink,
2052			      const struct devlink_trap *traps,
2053			      size_t traps_count);
2054void devlink_trap_report(struct devlink *devlink, struct sk_buff *skb,
2055			 void *trap_ctx, struct devlink_port *in_devlink_port,
2056			 const struct flow_action_cookie *fa_cookie);
2057void *devlink_trap_ctx_priv(void *trap_ctx);
2058int devl_trap_groups_register(struct devlink *devlink,
2059			      const struct devlink_trap_group *groups,
2060			      size_t groups_count);
2061int devlink_trap_groups_register(struct devlink *devlink,
2062				 const struct devlink_trap_group *groups,
2063				 size_t groups_count);
2064void devl_trap_groups_unregister(struct devlink *devlink,
2065				 const struct devlink_trap_group *groups,
2066				 size_t groups_count);
2067void devlink_trap_groups_unregister(struct devlink *devlink,
2068				    const struct devlink_trap_group *groups,
2069				    size_t groups_count);
2070int
2071devl_trap_policers_register(struct devlink *devlink,
2072			    const struct devlink_trap_policer *policers,
2073			    size_t policers_count);
2074void
2075devl_trap_policers_unregister(struct devlink *devlink,
2076			      const struct devlink_trap_policer *policers,
2077			      size_t policers_count);
2078
2079#if IS_ENABLED(CONFIG_NET_DEVLINK)
2080
2081struct devlink *__must_check devlink_try_get(struct devlink *devlink);
2082void devlink_put(struct devlink *devlink);
2083
2084void devlink_compat_running_version(struct devlink *devlink,
2085				    char *buf, size_t len);
2086int devlink_compat_flash_update(struct devlink *devlink, const char *file_name);
2087int devlink_compat_phys_port_name_get(struct net_device *dev,
2088				      char *name, size_t len);
2089int devlink_compat_switch_id_get(struct net_device *dev,
2090				 struct netdev_phys_item_id *ppid);
2091
2092int devlink_nl_port_handle_fill(struct sk_buff *msg, struct devlink_port *devlink_port);
2093size_t devlink_nl_port_handle_size(struct devlink_port *devlink_port);
2094void devlink_fmsg_dump_skb(struct devlink_fmsg *fmsg, const struct sk_buff *skb);
2095
2096#else
2097
2098static inline struct devlink *devlink_try_get(struct devlink *devlink)
2099{
2100	return NULL;
2101}
2102
2103static inline void devlink_put(struct devlink *devlink)
2104{
2105}
2106
2107static inline void
2108devlink_compat_running_version(struct devlink *devlink, char *buf, size_t len)
2109{
2110}
2111
2112static inline int
2113devlink_compat_flash_update(struct devlink *devlink, const char *file_name)
2114{
2115	return -EOPNOTSUPP;
2116}
2117
2118static inline int
2119devlink_compat_phys_port_name_get(struct net_device *dev,
2120				  char *name, size_t len)
2121{
2122	return -EOPNOTSUPP;
2123}
2124
2125static inline int
2126devlink_compat_switch_id_get(struct net_device *dev,
2127			     struct netdev_phys_item_id *ppid)
2128{
2129	return -EOPNOTSUPP;
2130}
2131
2132static inline int
2133devlink_nl_port_handle_fill(struct sk_buff *msg, struct devlink_port *devlink_port)
2134{
2135	return 0;
2136}
2137
2138static inline size_t devlink_nl_port_handle_size(struct devlink_port *devlink_port)
2139{
2140	return 0;
2141}
2142
2143#endif
2144
2145#endif /* _NET_DEVLINK_H_ */