1/* SPDX-License-Identifier: GPL-2.0-or-later */
   2/*
   3 * include/net/devlink.h - Network physical device Netlink interface
   4 * Copyright (c) 2016 Mellanox Technologies. All rights reserved.
   5 * Copyright (c) 2016 Jiri Pirko <jiri@mellanox.com>
   6 */
   7#ifndef _NET_DEVLINK_H_
   8#define _NET_DEVLINK_H_
   9
  10#include <linux/device.h>
  11#include <linux/slab.h>
  12#include <linux/gfp.h>
  13#include <linux/list.h>
  14#include <linux/netdevice.h>
  15#include <linux/spinlock.h>
  16#include <linux/workqueue.h>
  17#include <linux/refcount.h>
  18#include <net/net_namespace.h>
  19#include <net/flow_offload.h>
  20#include <uapi/linux/devlink.h>
  21#include <linux/xarray.h>
  22#include <linux/firmware.h>
  23
  24#define DEVLINK_RELOAD_STATS_ARRAY_SIZE \
  25	(__DEVLINK_RELOAD_LIMIT_MAX * __DEVLINK_RELOAD_ACTION_MAX)
  26
  27struct devlink_dev_stats {
  28	u32 reload_stats[DEVLINK_RELOAD_STATS_ARRAY_SIZE];
  29	u32 remote_reload_stats[DEVLINK_RELOAD_STATS_ARRAY_SIZE];
  30};
  31
  32struct devlink_ops;
  33
  34struct devlink {
  35	struct list_head list;
  36	struct list_head port_list;
  37	struct list_head rate_list;
  38	struct list_head sb_list;
  39	struct list_head dpipe_table_list;
  40	struct list_head resource_list;
  41	struct list_head param_list;
  42	struct list_head region_list;
  43	struct list_head reporter_list;
  44	struct mutex reporters_lock; /* protects reporter_list */
  45	struct devlink_dpipe_headers *dpipe_headers;
  46	struct list_head trap_list;
  47	struct list_head trap_group_list;
  48	struct list_head trap_policer_list;
  49	const struct devlink_ops *ops;
  50	struct xarray snapshot_ids;
  51	struct devlink_dev_stats stats;
  52	struct device *dev;
  53	possible_net_t _net;
  54	struct mutex lock; /* Serializes access to devlink instance specific objects such as
  55			    * port, sb, dpipe, resource, params, region, traps and more.
  56			    */
  57	u8 reload_failed:1,
  58	   reload_enabled:1,
  59	   registered:1;
  60	char priv[0] __aligned(NETDEV_ALIGN);
  61};
  62
  63struct devlink_port_phys_attrs {
  64	u32 port_number; /* Same value as "split group".
  65			  * A physical port which is visible to the user
  66			  * for a given port flavour.
  67			  */
  68	u32 split_subport_number; /* If the port is split, this is the number of subport. */
  69};
  70
  71/**
  72 * struct devlink_port_pci_pf_attrs - devlink port's PCI PF attributes
  73 * @controller: Associated controller number
  74 * @pf: Associated PCI PF number for this port.
  75 * @external: when set, indicates if a port is for an external controller
  76 */
  77struct devlink_port_pci_pf_attrs {
  78	u32 controller;
  79	u16 pf;
  80	u8 external:1;
  81};
  82
  83/**
  84 * struct devlink_port_pci_vf_attrs - devlink port's PCI VF attributes
  85 * @controller: Associated controller number
  86 * @pf: Associated PCI PF number for this port.
  87 * @vf: Associated PCI VF for of the PCI PF for this port.
  88 * @external: when set, indicates if a port is for an external controller
  89 */
  90struct devlink_port_pci_vf_attrs {
  91	u32 controller;
  92	u16 pf;
  93	u16 vf;
  94	u8 external:1;
  95};
  96
  97/**
  98 * struct devlink_port_pci_sf_attrs - devlink port's PCI SF attributes
  99 * @controller: Associated controller number
 100 * @sf: Associated PCI SF for of the PCI PF for this port.
 101 * @pf: Associated PCI PF number for this port.
 102 * @external: when set, indicates if a port is for an external controller
 103 */
 104struct devlink_port_pci_sf_attrs {
 105	u32 controller;
 106	u32 sf;
 107	u16 pf;
 108	u8 external:1;
 109};
 110
 111/**
 112 * struct devlink_port_attrs - devlink port object
 113 * @flavour: flavour of the port
 114 * @split: indicates if this is split port
 115 * @splittable: indicates if the port can be split.
 116 * @lanes: maximum number of lanes the port supports. 0 value is not passed to netlink.
 117 * @switch_id: if the port is part of switch, this is buffer with ID, otherwise this is NULL
 118 * @phys: physical port attributes
 119 * @pci_pf: PCI PF port attributes
 120 * @pci_vf: PCI VF port attributes
 121 * @pci_sf: PCI SF port attributes
 122 */
 123struct devlink_port_attrs {
 124	u8 split:1,
 125	   splittable:1;
 126	u32 lanes;
 127	enum devlink_port_flavour flavour;
 128	struct netdev_phys_item_id switch_id;
 129	union {
 130		struct devlink_port_phys_attrs phys;
 131		struct devlink_port_pci_pf_attrs pci_pf;
 132		struct devlink_port_pci_vf_attrs pci_vf;
 133		struct devlink_port_pci_sf_attrs pci_sf;
 134	};
 135};
 136
 137struct devlink_rate {
 138	struct list_head list;
 139	enum devlink_rate_type type;
 140	struct devlink *devlink;
 141	void *priv;
 142	u64 tx_share;
 143	u64 tx_max;
 144
 145	struct devlink_rate *parent;
 146	union {
 147		struct devlink_port *devlink_port;
 148		struct {
 149			char *name;
 150			refcount_t refcnt;
 151		};
 152	};
 
 
 
 153};
 154
 155struct devlink_port {
 156	struct list_head list;
 157	struct list_head param_list;
 158	struct list_head region_list;
 159	struct devlink *devlink;
 
 160	unsigned int index;
 161	bool registered;
 162	spinlock_t type_lock; /* Protects type and type_dev
 163			       * pointer consistency.
 164			       */
 165	enum devlink_port_type type;
 166	enum devlink_port_type desired_type;
 167	void *type_dev;
 
 
 
 
 
 
 
 
 
 168	struct devlink_port_attrs attrs;
 169	u8 attrs_set:1,
 170	   switch_port:1;
 
 
 171	struct delayed_work type_warn_dw;
 172	struct list_head reporter_list;
 173	struct mutex reporters_lock; /* Protects reporter_list */
 174
 175	struct devlink_rate *devlink_rate;
 
 
 176};
 177
 178struct devlink_port_new_attrs {
 179	enum devlink_port_flavour flavour;
 180	unsigned int port_index;
 181	u32 controller;
 182	u32 sfnum;
 183	u16 pfnum;
 184	u8 port_index_valid:1,
 185	   controller_valid:1,
 186	   sfnum_valid:1;
 187};
 188
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 189struct devlink_sb_pool_info {
 190	enum devlink_sb_pool_type pool_type;
 191	u32 size;
 192	enum devlink_sb_threshold_type threshold_type;
 193	u32 cell_size;
 194};
 195
 196/**
 197 * struct devlink_dpipe_field - dpipe field object
 198 * @name: field name
 199 * @id: index inside the headers field array
 200 * @bitwidth: bitwidth
 201 * @mapping_type: mapping type
 202 */
 203struct devlink_dpipe_field {
 204	const char *name;
 205	unsigned int id;
 206	unsigned int bitwidth;
 207	enum devlink_dpipe_field_mapping_type mapping_type;
 208};
 209
 210/**
 211 * struct devlink_dpipe_header - dpipe header object
 212 * @name: header name
 213 * @id: index, global/local detrmined by global bit
 214 * @fields: fields
 215 * @fields_count: number of fields
 216 * @global: indicates if header is shared like most protocol header
 217 *	    or driver specific
 218 */
 219struct devlink_dpipe_header {
 220	const char *name;
 221	unsigned int id;
 222	struct devlink_dpipe_field *fields;
 223	unsigned int fields_count;
 224	bool global;
 225};
 226
 227/**
 228 * struct devlink_dpipe_match - represents match operation
 229 * @type: type of match
 230 * @header_index: header index (packets can have several headers of same
 231 *		  type like in case of tunnels)
 232 * @header: header
 233 * @fieled_id: field index
 234 */
 235struct devlink_dpipe_match {
 236	enum devlink_dpipe_match_type type;
 237	unsigned int header_index;
 238	struct devlink_dpipe_header *header;
 239	unsigned int field_id;
 240};
 241
 242/**
 243 * struct devlink_dpipe_action - represents action operation
 244 * @type: type of action
 245 * @header_index: header index (packets can have several headers of same
 246 *		  type like in case of tunnels)
 247 * @header: header
 248 * @fieled_id: field index
 249 */
 250struct devlink_dpipe_action {
 251	enum devlink_dpipe_action_type type;
 252	unsigned int header_index;
 253	struct devlink_dpipe_header *header;
 254	unsigned int field_id;
 255};
 256
 257/**
 258 * struct devlink_dpipe_value - represents value of match/action
 259 * @action: action
 260 * @match: match
 261 * @mapping_value: in case the field has some mapping this value
 262 *                 specified the mapping value
 263 * @mapping_valid: specify if mapping value is valid
 264 * @value_size: value size
 265 * @value: value
 266 * @mask: bit mask
 267 */
 268struct devlink_dpipe_value {
 269	union {
 270		struct devlink_dpipe_action *action;
 271		struct devlink_dpipe_match *match;
 272	};
 273	unsigned int mapping_value;
 274	bool mapping_valid;
 275	unsigned int value_size;
 276	void *value;
 277	void *mask;
 278};
 279
 280/**
 281 * struct devlink_dpipe_entry - table entry object
 282 * @index: index of the entry in the table
 283 * @match_values: match values
 284 * @matche_values_count: count of matches tuples
 285 * @action_values: actions values
 286 * @action_values_count: count of actions values
 287 * @counter: value of counter
 288 * @counter_valid: Specify if value is valid from hardware
 289 */
 290struct devlink_dpipe_entry {
 291	u64 index;
 292	struct devlink_dpipe_value *match_values;
 293	unsigned int match_values_count;
 294	struct devlink_dpipe_value *action_values;
 295	unsigned int action_values_count;
 296	u64 counter;
 297	bool counter_valid;
 298};
 299
 300/**
 301 * struct devlink_dpipe_dump_ctx - context provided to driver in order
 302 *				   to dump
 303 * @info: info
 304 * @cmd: devlink command
 305 * @skb: skb
 306 * @nest: top attribute
 307 * @hdr: hdr
 308 */
 309struct devlink_dpipe_dump_ctx {
 310	struct genl_info *info;
 311	enum devlink_command cmd;
 312	struct sk_buff *skb;
 313	struct nlattr *nest;
 314	void *hdr;
 315};
 316
 317struct devlink_dpipe_table_ops;
 318
 319/**
 320 * struct devlink_dpipe_table - table object
 321 * @priv: private
 322 * @name: table name
 323 * @counters_enabled: indicates if counters are active
 324 * @counter_control_extern: indicates if counter control is in dpipe or
 325 *			    external tool
 326 * @resource_valid: Indicate that the resource id is valid
 327 * @resource_id: relative resource this table is related to
 328 * @resource_units: number of resource's unit consumed per table's entry
 329 * @table_ops: table operations
 330 * @rcu: rcu
 331 */
 332struct devlink_dpipe_table {
 333	void *priv;
 
 334	struct list_head list;
 
 335	const char *name;
 336	bool counters_enabled;
 337	bool counter_control_extern;
 338	bool resource_valid;
 339	u64 resource_id;
 340	u64 resource_units;
 341	struct devlink_dpipe_table_ops *table_ops;
 342	struct rcu_head rcu;
 343};
 344
 345/**
 346 * struct devlink_dpipe_table_ops - dpipe_table ops
 347 * @actions_dump - dumps all tables actions
 348 * @matches_dump - dumps all tables matches
 349 * @entries_dump - dumps all active entries in the table
 350 * @counters_set_update - when changing the counter status hardware sync
 351 *			  maybe needed to allocate/free counter related
 352 *			  resources
 353 * @size_get - get size
 354 */
 355struct devlink_dpipe_table_ops {
 356	int (*actions_dump)(void *priv, struct sk_buff *skb);
 357	int (*matches_dump)(void *priv, struct sk_buff *skb);
 358	int (*entries_dump)(void *priv, bool counters_enabled,
 359			    struct devlink_dpipe_dump_ctx *dump_ctx);
 360	int (*counters_set_update)(void *priv, bool enable);
 361	u64 (*size_get)(void *priv);
 362};
 363
 364/**
 365 * struct devlink_dpipe_headers - dpipe headers
 366 * @headers - header array can be shared (global bit) or driver specific
 367 * @headers_count - count of headers
 368 */
 369struct devlink_dpipe_headers {
 370	struct devlink_dpipe_header **headers;
 371	unsigned int headers_count;
 372};
 373
 374/**
 375 * struct devlink_resource_size_params - resource's size parameters
 376 * @size_min: minimum size which can be set
 377 * @size_max: maximum size which can be set
 378 * @size_granularity: size granularity
 379 * @size_unit: resource's basic unit
 380 */
 381struct devlink_resource_size_params {
 382	u64 size_min;
 383	u64 size_max;
 384	u64 size_granularity;
 385	enum devlink_resource_unit unit;
 386};
 387
 388static inline void
 389devlink_resource_size_params_init(struct devlink_resource_size_params *size_params,
 390				  u64 size_min, u64 size_max,
 391				  u64 size_granularity,
 392				  enum devlink_resource_unit unit)
 393{
 394	size_params->size_min = size_min;
 395	size_params->size_max = size_max;
 396	size_params->size_granularity = size_granularity;
 397	size_params->unit = unit;
 398}
 399
 400typedef u64 devlink_resource_occ_get_t(void *priv);
 401
 402/**
 403 * struct devlink_resource - devlink resource
 404 * @name: name of the resource
 405 * @id: id, per devlink instance
 406 * @size: size of the resource
 407 * @size_new: updated size of the resource, reload is needed
 408 * @size_valid: valid in case the total size of the resource is valid
 409 *              including its children
 410 * @parent: parent resource
 411 * @size_params: size parameters
 412 * @list: parent list
 413 * @resource_list: list of child resources
 414 */
 415struct devlink_resource {
 416	const char *name;
 417	u64 id;
 418	u64 size;
 419	u64 size_new;
 420	bool size_valid;
 421	struct devlink_resource *parent;
 422	struct devlink_resource_size_params size_params;
 423	struct list_head list;
 424	struct list_head resource_list;
 425	devlink_resource_occ_get_t *occ_get;
 426	void *occ_get_priv;
 427};
 428
 429#define DEVLINK_RESOURCE_ID_PARENT_TOP 0
 430
 431#define DEVLINK_RESOURCE_GENERIC_NAME_PORTS "physical_ports"
 432
 433#define __DEVLINK_PARAM_MAX_STRING_VALUE 32
 434enum devlink_param_type {
 435	DEVLINK_PARAM_TYPE_U8,
 436	DEVLINK_PARAM_TYPE_U16,
 437	DEVLINK_PARAM_TYPE_U32,
 438	DEVLINK_PARAM_TYPE_STRING,
 439	DEVLINK_PARAM_TYPE_BOOL,
 440};
 441
 442union devlink_param_value {
 443	u8 vu8;
 444	u16 vu16;
 445	u32 vu32;
 446	char vstr[__DEVLINK_PARAM_MAX_STRING_VALUE];
 447	bool vbool;
 448};
 449
 450struct devlink_param_gset_ctx {
 451	union devlink_param_value val;
 452	enum devlink_param_cmode cmode;
 453};
 454
 455/**
 456 * struct devlink_flash_notify - devlink dev flash notify data
 457 * @status_msg: current status string
 458 * @component: firmware component being updated
 459 * @done: amount of work completed of total amount
 460 * @total: amount of work expected to be done
 461 * @timeout: expected max timeout in seconds
 462 *
 463 * These are values to be given to userland to be displayed in order
 464 * to show current activity in a firmware update process.
 465 */
 466struct devlink_flash_notify {
 467	const char *status_msg;
 468	const char *component;
 469	unsigned long done;
 470	unsigned long total;
 471	unsigned long timeout;
 472};
 473
 474/**
 475 * struct devlink_param - devlink configuration parameter data
 
 476 * @name: name of the parameter
 477 * @generic: indicates if the parameter is generic or driver specific
 478 * @type: parameter type
 479 * @supported_cmodes: bitmap of supported configuration modes
 480 * @get: get parameter value, used for runtime and permanent
 481 *       configuration modes
 482 * @set: set parameter value, used for runtime and permanent
 483 *       configuration modes
 484 * @validate: validate input value is applicable (within value range, etc.)
 485 *
 486 * This struct should be used by the driver to fill the data for
 487 * a parameter it registers.
 488 */
 489struct devlink_param {
 490	u32 id;
 491	const char *name;
 492	bool generic;
 493	enum devlink_param_type type;
 494	unsigned long supported_cmodes;
 495	int (*get)(struct devlink *devlink, u32 id,
 496		   struct devlink_param_gset_ctx *ctx);
 497	int (*set)(struct devlink *devlink, u32 id,
 498		   struct devlink_param_gset_ctx *ctx);
 499	int (*validate)(struct devlink *devlink, u32 id,
 500			union devlink_param_value val,
 501			struct netlink_ext_ack *extack);
 502};
 503
 504struct devlink_param_item {
 505	struct list_head list;
 506	const struct devlink_param *param;
 507	union devlink_param_value driverinit_value;
 508	bool driverinit_value_valid;
 509	bool published;
 
 
 
 510};
 511
 512enum devlink_param_generic_id {
 513	DEVLINK_PARAM_GENERIC_ID_INT_ERR_RESET,
 514	DEVLINK_PARAM_GENERIC_ID_MAX_MACS,
 515	DEVLINK_PARAM_GENERIC_ID_ENABLE_SRIOV,
 516	DEVLINK_PARAM_GENERIC_ID_REGION_SNAPSHOT,
 517	DEVLINK_PARAM_GENERIC_ID_IGNORE_ARI,
 518	DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX,
 519	DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN,
 520	DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY,
 521	DEVLINK_PARAM_GENERIC_ID_RESET_DEV_ON_DRV_PROBE,
 522	DEVLINK_PARAM_GENERIC_ID_ENABLE_ROCE,
 523	DEVLINK_PARAM_GENERIC_ID_ENABLE_REMOTE_DEV_RESET,
 
 
 
 
 
 
 524
 525	/* add new param generic ids above here*/
 526	__DEVLINK_PARAM_GENERIC_ID_MAX,
 527	DEVLINK_PARAM_GENERIC_ID_MAX = __DEVLINK_PARAM_GENERIC_ID_MAX - 1,
 528};
 529
 530#define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_NAME "internal_error_reset"
 531#define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL
 532
 533#define DEVLINK_PARAM_GENERIC_MAX_MACS_NAME "max_macs"
 534#define DEVLINK_PARAM_GENERIC_MAX_MACS_TYPE DEVLINK_PARAM_TYPE_U32
 535
 536#define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_NAME "enable_sriov"
 537#define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_TYPE DEVLINK_PARAM_TYPE_BOOL
 538
 539#define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_NAME "region_snapshot_enable"
 540#define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_TYPE DEVLINK_PARAM_TYPE_BOOL
 541
 542#define DEVLINK_PARAM_GENERIC_IGNORE_ARI_NAME "ignore_ari"
 543#define DEVLINK_PARAM_GENERIC_IGNORE_ARI_TYPE DEVLINK_PARAM_TYPE_BOOL
 544
 545#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_NAME "msix_vec_per_pf_max"
 546#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_TYPE DEVLINK_PARAM_TYPE_U32
 547
 548#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_NAME "msix_vec_per_pf_min"
 549#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_TYPE DEVLINK_PARAM_TYPE_U32
 550
 551#define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_NAME "fw_load_policy"
 552#define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_TYPE DEVLINK_PARAM_TYPE_U8
 553
 554#define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_NAME \
 555	"reset_dev_on_drv_probe"
 556#define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_TYPE DEVLINK_PARAM_TYPE_U8
 557
 558#define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_NAME "enable_roce"
 559#define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_TYPE DEVLINK_PARAM_TYPE_BOOL
 560
 561#define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_NAME "enable_remote_dev_reset"
 562#define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL
 563
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 564#define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate)	\
 565{									\
 566	.id = DEVLINK_PARAM_GENERIC_ID_##_id,				\
 567	.name = DEVLINK_PARAM_GENERIC_##_id##_NAME,			\
 568	.type = DEVLINK_PARAM_GENERIC_##_id##_TYPE,			\
 569	.generic = true,						\
 570	.supported_cmodes = _cmodes,					\
 571	.get = _get,							\
 572	.set = _set,							\
 573	.validate = _validate,						\
 574}
 575
 576#define DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, _get, _set, _validate)	\
 577{									\
 578	.id = _id,							\
 579	.name = _name,							\
 580	.type = _type,							\
 581	.supported_cmodes = _cmodes,					\
 582	.get = _get,							\
 583	.set = _set,							\
 584	.validate = _validate,						\
 585}
 586
 587/* Part number, identifier of board design */
 588#define DEVLINK_INFO_VERSION_GENERIC_BOARD_ID	"board.id"
 589/* Revision of board design */
 590#define DEVLINK_INFO_VERSION_GENERIC_BOARD_REV	"board.rev"
 591/* Maker of the board */
 592#define DEVLINK_INFO_VERSION_GENERIC_BOARD_MANUFACTURE	"board.manufacture"
 593
 594/* Part number, identifier of asic design */
 595#define DEVLINK_INFO_VERSION_GENERIC_ASIC_ID	"asic.id"
 596/* Revision of asic design */
 597#define DEVLINK_INFO_VERSION_GENERIC_ASIC_REV	"asic.rev"
 598
 599/* Overall FW version */
 600#define DEVLINK_INFO_VERSION_GENERIC_FW		"fw"
 601/* Control processor FW version */
 602#define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT	"fw.mgmt"
 603/* FW interface specification version */
 604#define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT_API	"fw.mgmt.api"
 605/* Data path microcode controlling high-speed packet processing */
 606#define DEVLINK_INFO_VERSION_GENERIC_FW_APP	"fw.app"
 607/* UNDI software version */
 608#define DEVLINK_INFO_VERSION_GENERIC_FW_UNDI	"fw.undi"
 609/* NCSI support/handler version */
 610#define DEVLINK_INFO_VERSION_GENERIC_FW_NCSI	"fw.ncsi"
 611/* FW parameter set id */
 612#define DEVLINK_INFO_VERSION_GENERIC_FW_PSID	"fw.psid"
 613/* RoCE FW version */
 614#define DEVLINK_INFO_VERSION_GENERIC_FW_ROCE	"fw.roce"
 615/* Firmware bundle identifier */
 616#define DEVLINK_INFO_VERSION_GENERIC_FW_BUNDLE_ID	"fw.bundle_id"
 
 
 617
 618/**
 619 * struct devlink_flash_update_params - Flash Update parameters
 620 * @fw: pointer to the firmware data to update from
 621 * @component: the flash component to update
 
 622 *
 623 * With the exception of fw, drivers must opt-in to parameters by
 624 * setting the appropriate bit in the supported_flash_update_params field in
 625 * their devlink_ops structure.
 626 */
 627struct devlink_flash_update_params {
 628	const struct firmware *fw;
 629	const char *component;
 630	u32 overwrite_mask;
 631};
 632
 633#define DEVLINK_SUPPORT_FLASH_UPDATE_COMPONENT		BIT(0)
 634#define DEVLINK_SUPPORT_FLASH_UPDATE_OVERWRITE_MASK	BIT(1)
 635
 636struct devlink_region;
 637struct devlink_info_req;
 638
 639/**
 640 * struct devlink_region_ops - Region operations
 641 * @name: region name
 642 * @destructor: callback used to free snapshot memory when deleting
 643 * @snapshot: callback to request an immediate snapshot. On success,
 644 *            the data variable must be updated to point to the snapshot data.
 645 *            The function will be called while the devlink instance lock is
 646 *            held.
 
 
 
 
 647 * @priv: Pointer to driver private data for the region operation
 648 */
 649struct devlink_region_ops {
 650	const char *name;
 651	void (*destructor)(const void *data);
 652	int (*snapshot)(struct devlink *devlink,
 653			const struct devlink_region_ops *ops,
 654			struct netlink_ext_ack *extack,
 655			u8 **data);
 
 
 
 
 656	void *priv;
 657};
 658
 659/**
 660 * struct devlink_port_region_ops - Region operations for a port
 661 * @name: region name
 662 * @destructor: callback used to free snapshot memory when deleting
 663 * @snapshot: callback to request an immediate snapshot. On success,
 664 *            the data variable must be updated to point to the snapshot data.
 665 *            The function will be called while the devlink instance lock is
 666 *            held.
 
 
 
 
 667 * @priv: Pointer to driver private data for the region operation
 668 */
 669struct devlink_port_region_ops {
 670	const char *name;
 671	void (*destructor)(const void *data);
 672	int (*snapshot)(struct devlink_port *port,
 673			const struct devlink_port_region_ops *ops,
 674			struct netlink_ext_ack *extack,
 675			u8 **data);
 
 
 
 
 676	void *priv;
 677};
 678
 679struct devlink_fmsg;
 680struct devlink_health_reporter;
 681
 682enum devlink_health_reporter_state {
 683	DEVLINK_HEALTH_REPORTER_STATE_HEALTHY,
 684	DEVLINK_HEALTH_REPORTER_STATE_ERROR,
 685};
 686
 687/**
 688 * struct devlink_health_reporter_ops - Reporter operations
 689 * @name: reporter name
 690 * @recover: callback to recover from reported error
 691 *           if priv_ctx is NULL, run a full recover
 692 * @dump: callback to dump an object
 693 *        if priv_ctx is NULL, run a full dump
 694 * @diagnose: callback to diagnose the current status
 695 * @test: callback to trigger a test event
 696 */
 697
 698struct devlink_health_reporter_ops {
 699	char *name;
 700	int (*recover)(struct devlink_health_reporter *reporter,
 701		       void *priv_ctx, struct netlink_ext_ack *extack);
 702	int (*dump)(struct devlink_health_reporter *reporter,
 703		    struct devlink_fmsg *fmsg, void *priv_ctx,
 704		    struct netlink_ext_ack *extack);
 705	int (*diagnose)(struct devlink_health_reporter *reporter,
 706			struct devlink_fmsg *fmsg,
 707			struct netlink_ext_ack *extack);
 708	int (*test)(struct devlink_health_reporter *reporter,
 709		    struct netlink_ext_ack *extack);
 710};
 711
 712/**
 713 * struct devlink_trap_metadata - Packet trap metadata.
 714 * @trap_name: Trap name.
 715 * @trap_group_name: Trap group name.
 716 * @input_dev: Input netdevice.
 
 717 * @fa_cookie: Flow action user cookie.
 718 * @trap_type: Trap type.
 719 */
 720struct devlink_trap_metadata {
 721	const char *trap_name;
 722	const char *trap_group_name;
 
 723	struct net_device *input_dev;
 
 
 724	const struct flow_action_cookie *fa_cookie;
 725	enum devlink_trap_type trap_type;
 726};
 727
 728/**
 729 * struct devlink_trap_policer - Immutable packet trap policer attributes.
 730 * @id: Policer identifier.
 731 * @init_rate: Initial rate in packets / sec.
 732 * @init_burst: Initial burst size in packets.
 733 * @max_rate: Maximum rate.
 734 * @min_rate: Minimum rate.
 735 * @max_burst: Maximum burst size.
 736 * @min_burst: Minimum burst size.
 737 *
 738 * Describes immutable attributes of packet trap policers that drivers register
 739 * with devlink.
 740 */
 741struct devlink_trap_policer {
 742	u32 id;
 743	u64 init_rate;
 744	u64 init_burst;
 745	u64 max_rate;
 746	u64 min_rate;
 747	u64 max_burst;
 748	u64 min_burst;
 749};
 750
 751/**
 752 * struct devlink_trap_group - Immutable packet trap group attributes.
 753 * @name: Trap group name.
 754 * @id: Trap group identifier.
 755 * @generic: Whether the trap group is generic or not.
 756 * @init_policer_id: Initial policer identifier.
 757 *
 758 * Describes immutable attributes of packet trap groups that drivers register
 759 * with devlink.
 760 */
 761struct devlink_trap_group {
 762	const char *name;
 763	u16 id;
 764	bool generic;
 765	u32 init_policer_id;
 766};
 767
 768#define DEVLINK_TRAP_METADATA_TYPE_F_IN_PORT	BIT(0)
 769#define DEVLINK_TRAP_METADATA_TYPE_F_FA_COOKIE	BIT(1)
 770
 771/**
 772 * struct devlink_trap - Immutable packet trap attributes.
 773 * @type: Trap type.
 774 * @init_action: Initial trap action.
 775 * @generic: Whether the trap is generic or not.
 776 * @id: Trap identifier.
 777 * @name: Trap name.
 778 * @init_group_id: Initial group identifier.
 779 * @metadata_cap: Metadata types that can be provided by the trap.
 780 *
 781 * Describes immutable attributes of packet traps that drivers register with
 782 * devlink.
 783 */
 784struct devlink_trap {
 785	enum devlink_trap_type type;
 786	enum devlink_trap_action init_action;
 787	bool generic;
 788	u16 id;
 789	const char *name;
 790	u16 init_group_id;
 791	u32 metadata_cap;
 792};
 793
 794/* All traps must be documented in
 795 * Documentation/networking/devlink/devlink-trap.rst
 796 */
 797enum devlink_trap_generic_id {
 798	DEVLINK_TRAP_GENERIC_ID_SMAC_MC,
 799	DEVLINK_TRAP_GENERIC_ID_VLAN_TAG_MISMATCH,
 800	DEVLINK_TRAP_GENERIC_ID_INGRESS_VLAN_FILTER,
 801	DEVLINK_TRAP_GENERIC_ID_INGRESS_STP_FILTER,
 802	DEVLINK_TRAP_GENERIC_ID_EMPTY_TX_LIST,
 803	DEVLINK_TRAP_GENERIC_ID_PORT_LOOPBACK_FILTER,
 804	DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_ROUTE,
 805	DEVLINK_TRAP_GENERIC_ID_TTL_ERROR,
 806	DEVLINK_TRAP_GENERIC_ID_TAIL_DROP,
 807	DEVLINK_TRAP_GENERIC_ID_NON_IP_PACKET,
 808	DEVLINK_TRAP_GENERIC_ID_UC_DIP_MC_DMAC,
 809	DEVLINK_TRAP_GENERIC_ID_DIP_LB,
 810	DEVLINK_TRAP_GENERIC_ID_SIP_MC,
 811	DEVLINK_TRAP_GENERIC_ID_SIP_LB,
 812	DEVLINK_TRAP_GENERIC_ID_CORRUPTED_IP_HDR,
 813	DEVLINK_TRAP_GENERIC_ID_IPV4_SIP_BC,
 814	DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_RESERVED_SCOPE,
 815	DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE,
 816	DEVLINK_TRAP_GENERIC_ID_MTU_ERROR,
 817	DEVLINK_TRAP_GENERIC_ID_UNRESOLVED_NEIGH,
 818	DEVLINK_TRAP_GENERIC_ID_RPF,
 819	DEVLINK_TRAP_GENERIC_ID_REJECT_ROUTE,
 820	DEVLINK_TRAP_GENERIC_ID_IPV4_LPM_UNICAST_MISS,
 821	DEVLINK_TRAP_GENERIC_ID_IPV6_LPM_UNICAST_MISS,
 822	DEVLINK_TRAP_GENERIC_ID_NON_ROUTABLE,
 823	DEVLINK_TRAP_GENERIC_ID_DECAP_ERROR,
 824	DEVLINK_TRAP_GENERIC_ID_OVERLAY_SMAC_MC,
 825	DEVLINK_TRAP_GENERIC_ID_INGRESS_FLOW_ACTION_DROP,
 826	DEVLINK_TRAP_GENERIC_ID_EGRESS_FLOW_ACTION_DROP,
 827	DEVLINK_TRAP_GENERIC_ID_STP,
 828	DEVLINK_TRAP_GENERIC_ID_LACP,
 829	DEVLINK_TRAP_GENERIC_ID_LLDP,
 830	DEVLINK_TRAP_GENERIC_ID_IGMP_QUERY,
 831	DEVLINK_TRAP_GENERIC_ID_IGMP_V1_REPORT,
 832	DEVLINK_TRAP_GENERIC_ID_IGMP_V2_REPORT,
 833	DEVLINK_TRAP_GENERIC_ID_IGMP_V3_REPORT,
 834	DEVLINK_TRAP_GENERIC_ID_IGMP_V2_LEAVE,
 835	DEVLINK_TRAP_GENERIC_ID_MLD_QUERY,
 836	DEVLINK_TRAP_GENERIC_ID_MLD_V1_REPORT,
 837	DEVLINK_TRAP_GENERIC_ID_MLD_V2_REPORT,
 838	DEVLINK_TRAP_GENERIC_ID_MLD_V1_DONE,
 839	DEVLINK_TRAP_GENERIC_ID_IPV4_DHCP,
 840	DEVLINK_TRAP_GENERIC_ID_IPV6_DHCP,
 841	DEVLINK_TRAP_GENERIC_ID_ARP_REQUEST,
 842	DEVLINK_TRAP_GENERIC_ID_ARP_RESPONSE,
 843	DEVLINK_TRAP_GENERIC_ID_ARP_OVERLAY,
 844	DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_SOLICIT,
 845	DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_ADVERT,
 846	DEVLINK_TRAP_GENERIC_ID_IPV4_BFD,
 847	DEVLINK_TRAP_GENERIC_ID_IPV6_BFD,
 848	DEVLINK_TRAP_GENERIC_ID_IPV4_OSPF,
 849	DEVLINK_TRAP_GENERIC_ID_IPV6_OSPF,
 850	DEVLINK_TRAP_GENERIC_ID_IPV4_BGP,
 851	DEVLINK_TRAP_GENERIC_ID_IPV6_BGP,
 852	DEVLINK_TRAP_GENERIC_ID_IPV4_VRRP,
 853	DEVLINK_TRAP_GENERIC_ID_IPV6_VRRP,
 854	DEVLINK_TRAP_GENERIC_ID_IPV4_PIM,
 855	DEVLINK_TRAP_GENERIC_ID_IPV6_PIM,
 856	DEVLINK_TRAP_GENERIC_ID_UC_LB,
 857	DEVLINK_TRAP_GENERIC_ID_LOCAL_ROUTE,
 858	DEVLINK_TRAP_GENERIC_ID_EXTERNAL_ROUTE,
 859	DEVLINK_TRAP_GENERIC_ID_IPV6_UC_DIP_LINK_LOCAL_SCOPE,
 860	DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_NODES,
 861	DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_ROUTERS,
 862	DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_SOLICIT,
 863	DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ADVERT,
 864	DEVLINK_TRAP_GENERIC_ID_IPV6_REDIRECT,
 865	DEVLINK_TRAP_GENERIC_ID_IPV4_ROUTER_ALERT,
 866	DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ALERT,
 867	DEVLINK_TRAP_GENERIC_ID_PTP_EVENT,
 868	DEVLINK_TRAP_GENERIC_ID_PTP_GENERAL,
 869	DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_SAMPLE,
 870	DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_TRAP,
 871	DEVLINK_TRAP_GENERIC_ID_EARLY_DROP,
 872	DEVLINK_TRAP_GENERIC_ID_VXLAN_PARSING,
 873	DEVLINK_TRAP_GENERIC_ID_LLC_SNAP_PARSING,
 874	DEVLINK_TRAP_GENERIC_ID_VLAN_PARSING,
 875	DEVLINK_TRAP_GENERIC_ID_PPPOE_PPP_PARSING,
 876	DEVLINK_TRAP_GENERIC_ID_MPLS_PARSING,
 877	DEVLINK_TRAP_GENERIC_ID_ARP_PARSING,
 878	DEVLINK_TRAP_GENERIC_ID_IP_1_PARSING,
 879	DEVLINK_TRAP_GENERIC_ID_IP_N_PARSING,
 880	DEVLINK_TRAP_GENERIC_ID_GRE_PARSING,
 881	DEVLINK_TRAP_GENERIC_ID_UDP_PARSING,
 882	DEVLINK_TRAP_GENERIC_ID_TCP_PARSING,
 883	DEVLINK_TRAP_GENERIC_ID_IPSEC_PARSING,
 884	DEVLINK_TRAP_GENERIC_ID_SCTP_PARSING,
 885	DEVLINK_TRAP_GENERIC_ID_DCCP_PARSING,
 886	DEVLINK_TRAP_GENERIC_ID_GTP_PARSING,
 887	DEVLINK_TRAP_GENERIC_ID_ESP_PARSING,
 888	DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_NEXTHOP,
 889	DEVLINK_TRAP_GENERIC_ID_DMAC_FILTER,
 
 
 890
 891	/* Add new generic trap IDs above */
 892	__DEVLINK_TRAP_GENERIC_ID_MAX,
 893	DEVLINK_TRAP_GENERIC_ID_MAX = __DEVLINK_TRAP_GENERIC_ID_MAX - 1,
 894};
 895
 896/* All trap groups must be documented in
 897 * Documentation/networking/devlink/devlink-trap.rst
 898 */
 899enum devlink_trap_group_generic_id {
 900	DEVLINK_TRAP_GROUP_GENERIC_ID_L2_DROPS,
 901	DEVLINK_TRAP_GROUP_GENERIC_ID_L3_DROPS,
 902	DEVLINK_TRAP_GROUP_GENERIC_ID_L3_EXCEPTIONS,
 903	DEVLINK_TRAP_GROUP_GENERIC_ID_BUFFER_DROPS,
 904	DEVLINK_TRAP_GROUP_GENERIC_ID_TUNNEL_DROPS,
 905	DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_DROPS,
 906	DEVLINK_TRAP_GROUP_GENERIC_ID_STP,
 907	DEVLINK_TRAP_GROUP_GENERIC_ID_LACP,
 908	DEVLINK_TRAP_GROUP_GENERIC_ID_LLDP,
 909	DEVLINK_TRAP_GROUP_GENERIC_ID_MC_SNOOPING,
 910	DEVLINK_TRAP_GROUP_GENERIC_ID_DHCP,
 911	DEVLINK_TRAP_GROUP_GENERIC_ID_NEIGH_DISCOVERY,
 912	DEVLINK_TRAP_GROUP_GENERIC_ID_BFD,
 913	DEVLINK_TRAP_GROUP_GENERIC_ID_OSPF,
 914	DEVLINK_TRAP_GROUP_GENERIC_ID_BGP,
 915	DEVLINK_TRAP_GROUP_GENERIC_ID_VRRP,
 916	DEVLINK_TRAP_GROUP_GENERIC_ID_PIM,
 917	DEVLINK_TRAP_GROUP_GENERIC_ID_UC_LB,
 918	DEVLINK_TRAP_GROUP_GENERIC_ID_LOCAL_DELIVERY,
 919	DEVLINK_TRAP_GROUP_GENERIC_ID_EXTERNAL_DELIVERY,
 920	DEVLINK_TRAP_GROUP_GENERIC_ID_IPV6,
 921	DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_EVENT,
 922	DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_GENERAL,
 923	DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_SAMPLE,
 924	DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_TRAP,
 925	DEVLINK_TRAP_GROUP_GENERIC_ID_PARSER_ERROR_DROPS,
 
 926
 927	/* Add new generic trap group IDs above */
 928	__DEVLINK_TRAP_GROUP_GENERIC_ID_MAX,
 929	DEVLINK_TRAP_GROUP_GENERIC_ID_MAX =
 930		__DEVLINK_TRAP_GROUP_GENERIC_ID_MAX - 1,
 931};
 932
 933#define DEVLINK_TRAP_GENERIC_NAME_SMAC_MC \
 934	"source_mac_is_multicast"
 935#define DEVLINK_TRAP_GENERIC_NAME_VLAN_TAG_MISMATCH \
 936	"vlan_tag_mismatch"
 937#define DEVLINK_TRAP_GENERIC_NAME_INGRESS_VLAN_FILTER \
 938	"ingress_vlan_filter"
 939#define DEVLINK_TRAP_GENERIC_NAME_INGRESS_STP_FILTER \
 940	"ingress_spanning_tree_filter"
 941#define DEVLINK_TRAP_GENERIC_NAME_EMPTY_TX_LIST \
 942	"port_list_is_empty"
 943#define DEVLINK_TRAP_GENERIC_NAME_PORT_LOOPBACK_FILTER \
 944	"port_loopback_filter"
 945#define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_ROUTE \
 946	"blackhole_route"
 947#define DEVLINK_TRAP_GENERIC_NAME_TTL_ERROR \
 948	"ttl_value_is_too_small"
 949#define DEVLINK_TRAP_GENERIC_NAME_TAIL_DROP \
 950	"tail_drop"
 951#define DEVLINK_TRAP_GENERIC_NAME_NON_IP_PACKET \
 952	"non_ip"
 953#define DEVLINK_TRAP_GENERIC_NAME_UC_DIP_MC_DMAC \
 954	"uc_dip_over_mc_dmac"
 955#define DEVLINK_TRAP_GENERIC_NAME_DIP_LB \
 956	"dip_is_loopback_address"
 957#define DEVLINK_TRAP_GENERIC_NAME_SIP_MC \
 958	"sip_is_mc"
 959#define DEVLINK_TRAP_GENERIC_NAME_SIP_LB \
 960	"sip_is_loopback_address"
 961#define DEVLINK_TRAP_GENERIC_NAME_CORRUPTED_IP_HDR \
 962	"ip_header_corrupted"
 963#define DEVLINK_TRAP_GENERIC_NAME_IPV4_SIP_BC \
 964	"ipv4_sip_is_limited_bc"
 965#define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_RESERVED_SCOPE \
 966	"ipv6_mc_dip_reserved_scope"
 967#define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE \
 968	"ipv6_mc_dip_interface_local_scope"
 969#define DEVLINK_TRAP_GENERIC_NAME_MTU_ERROR \
 970	"mtu_value_is_too_small"
 971#define DEVLINK_TRAP_GENERIC_NAME_UNRESOLVED_NEIGH \
 972	"unresolved_neigh"
 973#define DEVLINK_TRAP_GENERIC_NAME_RPF \
 974	"mc_reverse_path_forwarding"
 975#define DEVLINK_TRAP_GENERIC_NAME_REJECT_ROUTE \
 976	"reject_route"
 977#define DEVLINK_TRAP_GENERIC_NAME_IPV4_LPM_UNICAST_MISS \
 978	"ipv4_lpm_miss"
 979#define DEVLINK_TRAP_GENERIC_NAME_IPV6_LPM_UNICAST_MISS \
 980	"ipv6_lpm_miss"
 981#define DEVLINK_TRAP_GENERIC_NAME_NON_ROUTABLE \
 982	"non_routable_packet"
 983#define DEVLINK_TRAP_GENERIC_NAME_DECAP_ERROR \
 984	"decap_error"
 985#define DEVLINK_TRAP_GENERIC_NAME_OVERLAY_SMAC_MC \
 986	"overlay_smac_is_mc"
 987#define DEVLINK_TRAP_GENERIC_NAME_INGRESS_FLOW_ACTION_DROP \
 988	"ingress_flow_action_drop"
 989#define DEVLINK_TRAP_GENERIC_NAME_EGRESS_FLOW_ACTION_DROP \
 990	"egress_flow_action_drop"
 991#define DEVLINK_TRAP_GENERIC_NAME_STP \
 992	"stp"
 993#define DEVLINK_TRAP_GENERIC_NAME_LACP \
 994	"lacp"
 995#define DEVLINK_TRAP_GENERIC_NAME_LLDP \
 996	"lldp"
 997#define DEVLINK_TRAP_GENERIC_NAME_IGMP_QUERY \
 998	"igmp_query"
 999#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V1_REPORT \
1000	"igmp_v1_report"
1001#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_REPORT \
1002	"igmp_v2_report"
1003#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V3_REPORT \
1004	"igmp_v3_report"
1005#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_LEAVE \
1006	"igmp_v2_leave"
1007#define DEVLINK_TRAP_GENERIC_NAME_MLD_QUERY \
1008	"mld_query"
1009#define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_REPORT \
1010	"mld_v1_report"
1011#define DEVLINK_TRAP_GENERIC_NAME_MLD_V2_REPORT \
1012	"mld_v2_report"
1013#define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_DONE \
1014	"mld_v1_done"
1015#define DEVLINK_TRAP_GENERIC_NAME_IPV4_DHCP \
1016	"ipv4_dhcp"
1017#define DEVLINK_TRAP_GENERIC_NAME_IPV6_DHCP \
1018	"ipv6_dhcp"
1019#define DEVLINK_TRAP_GENERIC_NAME_ARP_REQUEST \
1020	"arp_request"
1021#define DEVLINK_TRAP_GENERIC_NAME_ARP_RESPONSE \
1022	"arp_response"
1023#define DEVLINK_TRAP_GENERIC_NAME_ARP_OVERLAY \
1024	"arp_overlay"
1025#define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_SOLICIT \
1026	"ipv6_neigh_solicit"
1027#define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_ADVERT \
1028	"ipv6_neigh_advert"
1029#define DEVLINK_TRAP_GENERIC_NAME_IPV4_BFD \
1030	"ipv4_bfd"
1031#define DEVLINK_TRAP_GENERIC_NAME_IPV6_BFD \
1032	"ipv6_bfd"
1033#define DEVLINK_TRAP_GENERIC_NAME_IPV4_OSPF \
1034	"ipv4_ospf"
1035#define DEVLINK_TRAP_GENERIC_NAME_IPV6_OSPF \
1036	"ipv6_ospf"
1037#define DEVLINK_TRAP_GENERIC_NAME_IPV4_BGP \
1038	"ipv4_bgp"
1039#define DEVLINK_TRAP_GENERIC_NAME_IPV6_BGP \
1040	"ipv6_bgp"
1041#define DEVLINK_TRAP_GENERIC_NAME_IPV4_VRRP \
1042	"ipv4_vrrp"
1043#define DEVLINK_TRAP_GENERIC_NAME_IPV6_VRRP \
1044	"ipv6_vrrp"
1045#define DEVLINK_TRAP_GENERIC_NAME_IPV4_PIM \
1046	"ipv4_pim"
1047#define DEVLINK_TRAP_GENERIC_NAME_IPV6_PIM \
1048	"ipv6_pim"
1049#define DEVLINK_TRAP_GENERIC_NAME_UC_LB \
1050	"uc_loopback"
1051#define DEVLINK_TRAP_GENERIC_NAME_LOCAL_ROUTE \
1052	"local_route"
1053#define DEVLINK_TRAP_GENERIC_NAME_EXTERNAL_ROUTE \
1054	"external_route"
1055#define DEVLINK_TRAP_GENERIC_NAME_IPV6_UC_DIP_LINK_LOCAL_SCOPE \
1056	"ipv6_uc_dip_link_local_scope"
1057#define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_NODES \
1058	"ipv6_dip_all_nodes"
1059#define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_ROUTERS \
1060	"ipv6_dip_all_routers"
1061#define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_SOLICIT \
1062	"ipv6_router_solicit"
1063#define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ADVERT \
1064	"ipv6_router_advert"
1065#define DEVLINK_TRAP_GENERIC_NAME_IPV6_REDIRECT \
1066	"ipv6_redirect"
1067#define DEVLINK_TRAP_GENERIC_NAME_IPV4_ROUTER_ALERT \
1068	"ipv4_router_alert"
1069#define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ALERT \
1070	"ipv6_router_alert"
1071#define DEVLINK_TRAP_GENERIC_NAME_PTP_EVENT \
1072	"ptp_event"
1073#define DEVLINK_TRAP_GENERIC_NAME_PTP_GENERAL \
1074	"ptp_general"
1075#define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_SAMPLE \
1076	"flow_action_sample"
1077#define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_TRAP \
1078	"flow_action_trap"
1079#define DEVLINK_TRAP_GENERIC_NAME_EARLY_DROP \
1080	"early_drop"
1081#define DEVLINK_TRAP_GENERIC_NAME_VXLAN_PARSING \
1082	"vxlan_parsing"
1083#define DEVLINK_TRAP_GENERIC_NAME_LLC_SNAP_PARSING \
1084	"llc_snap_parsing"
1085#define DEVLINK_TRAP_GENERIC_NAME_VLAN_PARSING \
1086	"vlan_parsing"
1087#define DEVLINK_TRAP_GENERIC_NAME_PPPOE_PPP_PARSING \
1088	"pppoe_ppp_parsing"
1089#define DEVLINK_TRAP_GENERIC_NAME_MPLS_PARSING \
1090	"mpls_parsing"
1091#define DEVLINK_TRAP_GENERIC_NAME_ARP_PARSING \
1092	"arp_parsing"
1093#define DEVLINK_TRAP_GENERIC_NAME_IP_1_PARSING \
1094	"ip_1_parsing"
1095#define DEVLINK_TRAP_GENERIC_NAME_IP_N_PARSING \
1096	"ip_n_parsing"
1097#define DEVLINK_TRAP_GENERIC_NAME_GRE_PARSING \
1098	"gre_parsing"
1099#define DEVLINK_TRAP_GENERIC_NAME_UDP_PARSING \
1100	"udp_parsing"
1101#define DEVLINK_TRAP_GENERIC_NAME_TCP_PARSING \
1102	"tcp_parsing"
1103#define DEVLINK_TRAP_GENERIC_NAME_IPSEC_PARSING \
1104	"ipsec_parsing"
1105#define DEVLINK_TRAP_GENERIC_NAME_SCTP_PARSING \
1106	"sctp_parsing"
1107#define DEVLINK_TRAP_GENERIC_NAME_DCCP_PARSING \
1108	"dccp_parsing"
1109#define DEVLINK_TRAP_GENERIC_NAME_GTP_PARSING \
1110	"gtp_parsing"
1111#define DEVLINK_TRAP_GENERIC_NAME_ESP_PARSING \
1112	"esp_parsing"
1113#define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_NEXTHOP \
1114	"blackhole_nexthop"
1115#define DEVLINK_TRAP_GENERIC_NAME_DMAC_FILTER \
1116	"dmac_filter"
 
 
 
 
1117
1118#define DEVLINK_TRAP_GROUP_GENERIC_NAME_L2_DROPS \
1119	"l2_drops"
1120#define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_DROPS \
1121	"l3_drops"
1122#define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_EXCEPTIONS \
1123	"l3_exceptions"
1124#define DEVLINK_TRAP_GROUP_GENERIC_NAME_BUFFER_DROPS \
1125	"buffer_drops"
1126#define DEVLINK_TRAP_GROUP_GENERIC_NAME_TUNNEL_DROPS \
1127	"tunnel_drops"
1128#define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_DROPS \
1129	"acl_drops"
1130#define DEVLINK_TRAP_GROUP_GENERIC_NAME_STP \
1131	"stp"
1132#define DEVLINK_TRAP_GROUP_GENERIC_NAME_LACP \
1133	"lacp"
1134#define DEVLINK_TRAP_GROUP_GENERIC_NAME_LLDP \
1135	"lldp"
1136#define DEVLINK_TRAP_GROUP_GENERIC_NAME_MC_SNOOPING  \
1137	"mc_snooping"
1138#define DEVLINK_TRAP_GROUP_GENERIC_NAME_DHCP \
1139	"dhcp"
1140#define DEVLINK_TRAP_GROUP_GENERIC_NAME_NEIGH_DISCOVERY \
1141	"neigh_discovery"
1142#define DEVLINK_TRAP_GROUP_GENERIC_NAME_BFD \
1143	"bfd"
1144#define DEVLINK_TRAP_GROUP_GENERIC_NAME_OSPF \
1145	"ospf"
1146#define DEVLINK_TRAP_GROUP_GENERIC_NAME_BGP \
1147	"bgp"
1148#define DEVLINK_TRAP_GROUP_GENERIC_NAME_VRRP \
1149	"vrrp"
1150#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PIM \
1151	"pim"
1152#define DEVLINK_TRAP_GROUP_GENERIC_NAME_UC_LB \
1153	"uc_loopback"
1154#define DEVLINK_TRAP_GROUP_GENERIC_NAME_LOCAL_DELIVERY \
1155	"local_delivery"
1156#define DEVLINK_TRAP_GROUP_GENERIC_NAME_EXTERNAL_DELIVERY \
1157	"external_delivery"
1158#define DEVLINK_TRAP_GROUP_GENERIC_NAME_IPV6 \
1159	"ipv6"
1160#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_EVENT \
1161	"ptp_event"
1162#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_GENERAL \
1163	"ptp_general"
1164#define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_SAMPLE \
1165	"acl_sample"
1166#define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_TRAP \
1167	"acl_trap"
1168#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PARSER_ERROR_DROPS \
1169	"parser_error_drops"
 
 
1170
1171#define DEVLINK_TRAP_GENERIC(_type, _init_action, _id, _group_id,	      \
1172			     _metadata_cap)				      \
1173	{								      \
1174		.type = DEVLINK_TRAP_TYPE_##_type,			      \
1175		.init_action = DEVLINK_TRAP_ACTION_##_init_action,	      \
1176		.generic = true,					      \
1177		.id = DEVLINK_TRAP_GENERIC_ID_##_id,			      \
1178		.name = DEVLINK_TRAP_GENERIC_NAME_##_id,		      \
1179		.init_group_id = _group_id,				      \
1180		.metadata_cap = _metadata_cap,				      \
1181	}
1182
1183#define DEVLINK_TRAP_DRIVER(_type, _init_action, _id, _name, _group_id,	      \
1184			    _metadata_cap)				      \
1185	{								      \
1186		.type = DEVLINK_TRAP_TYPE_##_type,			      \
1187		.init_action = DEVLINK_TRAP_ACTION_##_init_action,	      \
1188		.generic = false,					      \
1189		.id = _id,						      \
1190		.name = _name,						      \
1191		.init_group_id = _group_id,				      \
1192		.metadata_cap = _metadata_cap,				      \
1193	}
1194
1195#define DEVLINK_TRAP_GROUP_GENERIC(_id, _policer_id)			      \
1196	{								      \
1197		.name = DEVLINK_TRAP_GROUP_GENERIC_NAME_##_id,		      \
1198		.id = DEVLINK_TRAP_GROUP_GENERIC_ID_##_id,		      \
1199		.generic = true,					      \
1200		.init_policer_id = _policer_id,				      \
1201	}
1202
1203#define DEVLINK_TRAP_POLICER(_id, _rate, _burst, _max_rate, _min_rate,	      \
1204			     _max_burst, _min_burst)			      \
1205	{								      \
1206		.id = _id,						      \
1207		.init_rate = _rate,					      \
1208		.init_burst = _burst,					      \
1209		.max_rate = _max_rate,					      \
1210		.min_rate = _min_rate,					      \
1211		.max_burst = _max_burst,				      \
1212		.min_burst = _min_burst,				      \
1213	}
1214
 
 
 
 
 
1215struct devlink_ops {
1216	/**
1217	 * @supported_flash_update_params:
1218	 * mask of parameters supported by the driver's .flash_update
1219	 * implemementation.
1220	 */
1221	u32 supported_flash_update_params;
1222	unsigned long reload_actions;
1223	unsigned long reload_limits;
1224	int (*reload_down)(struct devlink *devlink, bool netns_change,
1225			   enum devlink_reload_action action,
1226			   enum devlink_reload_limit limit,
1227			   struct netlink_ext_ack *extack);
1228	int (*reload_up)(struct devlink *devlink, enum devlink_reload_action action,
1229			 enum devlink_reload_limit limit, u32 *actions_performed,
1230			 struct netlink_ext_ack *extack);
1231	int (*port_type_set)(struct devlink_port *devlink_port,
1232			     enum devlink_port_type port_type);
1233	int (*port_split)(struct devlink *devlink, unsigned int port_index,
1234			  unsigned int count, struct netlink_ext_ack *extack);
1235	int (*port_unsplit)(struct devlink *devlink, unsigned int port_index,
1236			    struct netlink_ext_ack *extack);
1237	int (*sb_pool_get)(struct devlink *devlink, unsigned int sb_index,
1238			   u16 pool_index,
1239			   struct devlink_sb_pool_info *pool_info);
1240	int (*sb_pool_set)(struct devlink *devlink, unsigned int sb_index,
1241			   u16 pool_index, u32 size,
1242			   enum devlink_sb_threshold_type threshold_type,
1243			   struct netlink_ext_ack *extack);
1244	int (*sb_port_pool_get)(struct devlink_port *devlink_port,
1245				unsigned int sb_index, u16 pool_index,
1246				u32 *p_threshold);
1247	int (*sb_port_pool_set)(struct devlink_port *devlink_port,
1248				unsigned int sb_index, u16 pool_index,
1249				u32 threshold, struct netlink_ext_ack *extack);
1250	int (*sb_tc_pool_bind_get)(struct devlink_port *devlink_port,
1251				   unsigned int sb_index,
1252				   u16 tc_index,
1253				   enum devlink_sb_pool_type pool_type,
1254				   u16 *p_pool_index, u32 *p_threshold);
1255	int (*sb_tc_pool_bind_set)(struct devlink_port *devlink_port,
1256				   unsigned int sb_index,
1257				   u16 tc_index,
1258				   enum devlink_sb_pool_type pool_type,
1259				   u16 pool_index, u32 threshold,
1260				   struct netlink_ext_ack *extack);
1261	int (*sb_occ_snapshot)(struct devlink *devlink,
1262			       unsigned int sb_index);
1263	int (*sb_occ_max_clear)(struct devlink *devlink,
1264				unsigned int sb_index);
1265	int (*sb_occ_port_pool_get)(struct devlink_port *devlink_port,
1266				    unsigned int sb_index, u16 pool_index,
1267				    u32 *p_cur, u32 *p_max);
1268	int (*sb_occ_tc_port_bind_get)(struct devlink_port *devlink_port,
1269				       unsigned int sb_index,
1270				       u16 tc_index,
1271				       enum devlink_sb_pool_type pool_type,
1272				       u32 *p_cur, u32 *p_max);
1273
1274	int (*eswitch_mode_get)(struct devlink *devlink, u16 *p_mode);
1275	int (*eswitch_mode_set)(struct devlink *devlink, u16 mode,
1276				struct netlink_ext_ack *extack);
1277	int (*eswitch_inline_mode_get)(struct devlink *devlink, u8 *p_inline_mode);
1278	int (*eswitch_inline_mode_set)(struct devlink *devlink, u8 inline_mode,
1279				       struct netlink_ext_ack *extack);
1280	int (*eswitch_encap_mode_get)(struct devlink *devlink,
1281				      enum devlink_eswitch_encap_mode *p_encap_mode);
1282	int (*eswitch_encap_mode_set)(struct devlink *devlink,
1283				      enum devlink_eswitch_encap_mode encap_mode,
1284				      struct netlink_ext_ack *extack);
1285	int (*info_get)(struct devlink *devlink, struct devlink_info_req *req,
1286			struct netlink_ext_ack *extack);
1287	/**
1288	 * @flash_update: Device flash update function
1289	 *
1290	 * Used to perform a flash update for the device. The set of
1291	 * parameters supported by the driver should be set in
1292	 * supported_flash_update_params.
1293	 */
1294	int (*flash_update)(struct devlink *devlink,
1295			    struct devlink_flash_update_params *params,
1296			    struct netlink_ext_ack *extack);
1297	/**
1298	 * @trap_init: Trap initialization function.
1299	 *
1300	 * Should be used by device drivers to initialize the trap in the
1301	 * underlying device. Drivers should also store the provided trap
1302	 * context, so that they could efficiently pass it to
1303	 * devlink_trap_report() when the trap is triggered.
1304	 */
1305	int (*trap_init)(struct devlink *devlink,
1306			 const struct devlink_trap *trap, void *trap_ctx);
1307	/**
1308	 * @trap_fini: Trap de-initialization function.
1309	 *
1310	 * Should be used by device drivers to de-initialize the trap in the
1311	 * underlying device.
1312	 */
1313	void (*trap_fini)(struct devlink *devlink,
1314			  const struct devlink_trap *trap, void *trap_ctx);
1315	/**
1316	 * @trap_action_set: Trap action set function.
1317	 */
1318	int (*trap_action_set)(struct devlink *devlink,
1319			       const struct devlink_trap *trap,
1320			       enum devlink_trap_action action,
1321			       struct netlink_ext_ack *extack);
1322	/**
1323	 * @trap_group_init: Trap group initialization function.
1324	 *
1325	 * Should be used by device drivers to initialize the trap group in the
1326	 * underlying device.
1327	 */
1328	int (*trap_group_init)(struct devlink *devlink,
1329			       const struct devlink_trap_group *group);
1330	/**
1331	 * @trap_group_set: Trap group parameters set function.
1332	 *
1333	 * Note: @policer can be NULL when a policer is being unbound from
1334	 * @group.
1335	 */
1336	int (*trap_group_set)(struct devlink *devlink,
1337			      const struct devlink_trap_group *group,
1338			      const struct devlink_trap_policer *policer,
1339			      struct netlink_ext_ack *extack);
1340	/**
1341	 * @trap_group_action_set: Trap group action set function.
1342	 *
1343	 * If this callback is populated, it will take precedence over looping
1344	 * over all traps in a group and calling .trap_action_set().
1345	 */
1346	int (*trap_group_action_set)(struct devlink *devlink,
1347				     const struct devlink_trap_group *group,
1348				     enum devlink_trap_action action,
1349				     struct netlink_ext_ack *extack);
1350	/**
1351	 * @trap_drop_counter_get: Trap drop counter get function.
1352	 *
1353	 * Should be used by device drivers to report number of packets
1354	 * that have been dropped, and cannot be passed to the devlink
1355	 * subsystem by the underlying device.
1356	 */
1357	int (*trap_drop_counter_get)(struct devlink *devlink,
1358				     const struct devlink_trap *trap,
1359				     u64 *p_drops);
1360	/**
1361	 * @trap_policer_init: Trap policer initialization function.
1362	 *
1363	 * Should be used by device drivers to initialize the trap policer in
1364	 * the underlying device.
1365	 */
1366	int (*trap_policer_init)(struct devlink *devlink,
1367				 const struct devlink_trap_policer *policer);
1368	/**
1369	 * @trap_policer_fini: Trap policer de-initialization function.
1370	 *
1371	 * Should be used by device drivers to de-initialize the trap policer
1372	 * in the underlying device.
1373	 */
1374	void (*trap_policer_fini)(struct devlink *devlink,
1375				  const struct devlink_trap_policer *policer);
1376	/**
1377	 * @trap_policer_set: Trap policer parameters set function.
1378	 */
1379	int (*trap_policer_set)(struct devlink *devlink,
1380				const struct devlink_trap_policer *policer,
1381				u64 rate, u64 burst,
1382				struct netlink_ext_ack *extack);
1383	/**
1384	 * @trap_policer_counter_get: Trap policer counter get function.
1385	 *
1386	 * Should be used by device drivers to report number of packets dropped
1387	 * by the policer.
1388	 */
1389	int (*trap_policer_counter_get)(struct devlink *devlink,
1390					const struct devlink_trap_policer *policer,
1391					u64 *p_drops);
1392	/**
1393	 * @port_function_hw_addr_get: Port function's hardware address get function.
1394	 *
1395	 * Should be used by device drivers to report the hardware address of a function managed
1396	 * by the devlink port. Driver should return -EOPNOTSUPP if it doesn't support port
1397	 * function handling for a particular port.
1398	 *
1399	 * Note: @extack can be NULL when port notifier queries the port function.
1400	 */
1401	int (*port_function_hw_addr_get)(struct devlink *devlink, struct devlink_port *port,
1402					 u8 *hw_addr, int *hw_addr_len,
1403					 struct netlink_ext_ack *extack);
1404	/**
1405	 * @port_function_hw_addr_set: Port function's hardware address set function.
1406	 *
1407	 * Should be used by device drivers to set the hardware address of a function managed
1408	 * by the devlink port. Driver should return -EOPNOTSUPP if it doesn't support port
1409	 * function handling for a particular port.
1410	 */
1411	int (*port_function_hw_addr_set)(struct devlink *devlink, struct devlink_port *port,
1412					 const u8 *hw_addr, int hw_addr_len,
1413					 struct netlink_ext_ack *extack);
1414	/**
1415	 * port_new() - Add a new port function of a specified flavor
1416	 * @devlink: Devlink instance
1417	 * @attrs: attributes of the new port
1418	 * @extack: extack for reporting error messages
1419	 * @new_port_index: index of the new port
1420	 *
1421	 * Devlink core will call this device driver function upon user request
1422	 * to create a new port function of a specified flavor and optional
1423	 * attributes
1424	 *
1425	 * Notes:
1426	 *	- Called without devlink instance lock being held. Drivers must
1427	 *	  implement own means of synchronization
1428	 *	- On success, drivers must register a port with devlink core
1429	 *
1430	 * Return: 0 on success, negative value otherwise.
1431	 */
1432	int (*port_new)(struct devlink *devlink,
1433			const struct devlink_port_new_attrs *attrs,
1434			struct netlink_ext_ack *extack,
1435			unsigned int *new_port_index);
1436	/**
1437	 * port_del() - Delete a port function
1438	 * @devlink: Devlink instance
1439	 * @port_index: port function index to delete
1440	 * @extack: extack for reporting error messages
1441	 *
1442	 * Devlink core will call this device driver function upon user request
1443	 * to delete a previously created port function
1444	 *
1445	 * Notes:
1446	 *	- Called without devlink instance lock being held. Drivers must
1447	 *	  implement own means of synchronization
1448	 *	- On success, drivers must unregister the corresponding devlink
1449	 *	  port
1450	 *
1451	 * Return: 0 on success, negative value otherwise.
1452	 */
1453	int (*port_del)(struct devlink *devlink, unsigned int port_index,
1454			struct netlink_ext_ack *extack);
1455	/**
1456	 * port_fn_state_get() - Get the state of a port function
1457	 * @devlink: Devlink instance
1458	 * @port: The devlink port
1459	 * @state: Admin configured state
1460	 * @opstate: Current operational state
1461	 * @extack: extack for reporting error messages
1462	 *
1463	 * Reports the admin and operational state of a devlink port function
1464	 *
1465	 * Return: 0 on success, negative value otherwise.
1466	 */
1467	int (*port_fn_state_get)(struct devlink *devlink,
1468				 struct devlink_port *port,
1469				 enum devlink_port_fn_state *state,
1470				 enum devlink_port_fn_opstate *opstate,
1471				 struct netlink_ext_ack *extack);
1472	/**
1473	 * port_fn_state_set() - Set the admin state of a port function
1474	 * @devlink: Devlink instance
1475	 * @port: The devlink port
1476	 * @state: Admin state
1477	 * @extack: extack for reporting error messages
1478	 *
1479	 * Set the admin state of a devlink port function
1480	 *
1481	 * Return: 0 on success, negative value otherwise.
1482	 */
1483	int (*port_fn_state_set)(struct devlink *devlink,
1484				 struct devlink_port *port,
1485				 enum devlink_port_fn_state state,
1486				 struct netlink_ext_ack *extack);
1487
1488	/**
1489	 * Rate control callbacks.
1490	 */
1491	int (*rate_leaf_tx_share_set)(struct devlink_rate *devlink_rate, void *priv,
1492				      u64 tx_share, struct netlink_ext_ack *extack);
1493	int (*rate_leaf_tx_max_set)(struct devlink_rate *devlink_rate, void *priv,
1494				    u64 tx_max, struct netlink_ext_ack *extack);
 
 
 
 
1495	int (*rate_node_tx_share_set)(struct devlink_rate *devlink_rate, void *priv,
1496				      u64 tx_share, struct netlink_ext_ack *extack);
1497	int (*rate_node_tx_max_set)(struct devlink_rate *devlink_rate, void *priv,
1498				    u64 tx_max, struct netlink_ext_ack *extack);
 
 
 
 
1499	int (*rate_node_new)(struct devlink_rate *rate_node, void **priv,
1500			     struct netlink_ext_ack *extack);
1501	int (*rate_node_del)(struct devlink_rate *rate_node, void *priv,
1502			     struct netlink_ext_ack *extack);
1503	int (*rate_leaf_parent_set)(struct devlink_rate *child,
1504				    struct devlink_rate *parent,
1505				    void *priv_child, void *priv_parent,
1506				    struct netlink_ext_ack *extack);
1507	int (*rate_node_parent_set)(struct devlink_rate *child,
1508				    struct devlink_rate *parent,
1509				    void *priv_child, void *priv_parent,
1510				    struct netlink_ext_ack *extack);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1511};
1512
1513static inline void *devlink_priv(struct devlink *devlink)
1514{
1515	BUG_ON(!devlink);
1516	return &devlink->priv;
1517}
 
 
 
 
 
1518
1519static inline struct devlink *priv_to_devlink(void *priv)
 
 
 
 
 
 
 
 
 
 
 
 
 
1520{
1521	BUG_ON(!priv);
1522	return container_of(priv, struct devlink, priv);
1523}
1524
1525static inline struct devlink_port *
1526netdev_to_devlink_port(struct net_device *dev)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1527{
1528	if (dev->netdev_ops->ndo_get_devlink_port)
1529		return dev->netdev_ops->ndo_get_devlink_port(dev);
1530	return NULL;
1531}
1532
1533static inline struct devlink *netdev_to_devlink(struct net_device *dev)
 
 
 
 
 
 
 
1534{
1535	struct devlink_port *devlink_port = netdev_to_devlink_port(dev);
1536
1537	if (devlink_port)
1538		return devlink_port->devlink;
1539	return NULL;
1540}
1541
1542struct ib_device;
1543
1544struct net *devlink_net(const struct devlink *devlink);
1545void devlink_net_set(struct devlink *devlink, struct net *net);
1546struct devlink *devlink_alloc(const struct devlink_ops *ops, size_t priv_size);
1547int devlink_register(struct devlink *devlink, struct device *dev);
1548void devlink_unregister(struct devlink *devlink);
1549void devlink_reload_enable(struct devlink *devlink);
1550void devlink_reload_disable(struct devlink *devlink);
1551void devlink_free(struct devlink *devlink);
1552int devlink_port_register(struct devlink *devlink,
1553			  struct devlink_port *devlink_port,
1554			  unsigned int port_index);
1555void devlink_port_unregister(struct devlink_port *devlink_port);
1556void devlink_port_type_eth_set(struct devlink_port *devlink_port,
1557			       struct net_device *netdev);
1558void devlink_port_type_ib_set(struct devlink_port *devlink_port,
1559			      struct ib_device *ibdev);
1560void devlink_port_type_clear(struct devlink_port *devlink_port);
1561void devlink_port_attrs_set(struct devlink_port *devlink_port,
1562			    struct devlink_port_attrs *devlink_port_attrs);
1563void devlink_port_attrs_pci_pf_set(struct devlink_port *devlink_port, u32 controller,
1564				   u16 pf, bool external);
1565void devlink_port_attrs_pci_vf_set(struct devlink_port *devlink_port, u32 controller,
1566				   u16 pf, u16 vf, bool external);
1567void devlink_port_attrs_pci_sf_set(struct devlink_port *devlink_port,
1568				   u32 controller, u16 pf, u32 sf,
1569				   bool external);
1570int devlink_rate_leaf_create(struct devlink_port *port, void *priv);
1571void devlink_rate_leaf_destroy(struct devlink_port *devlink_port);
1572void devlink_rate_nodes_destroy(struct devlink *devlink);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1573int devlink_sb_register(struct devlink *devlink, unsigned int sb_index,
1574			u32 size, u16 ingress_pools_count,
1575			u16 egress_pools_count, u16 ingress_tc_count,
1576			u16 egress_tc_count);
 
1577void devlink_sb_unregister(struct devlink *devlink, unsigned int sb_index);
1578int devlink_dpipe_table_register(struct devlink *devlink,
1579				 const char *table_name,
1580				 struct devlink_dpipe_table_ops *table_ops,
1581				 void *priv, bool counter_control_extern);
1582void devlink_dpipe_table_unregister(struct devlink *devlink,
1583				    const char *table_name);
1584int devlink_dpipe_headers_register(struct devlink *devlink,
1585				   struct devlink_dpipe_headers *dpipe_headers);
1586void devlink_dpipe_headers_unregister(struct devlink *devlink);
1587bool devlink_dpipe_table_counter_enabled(struct devlink *devlink,
1588					 const char *table_name);
1589int devlink_dpipe_entry_ctx_prepare(struct devlink_dpipe_dump_ctx *dump_ctx);
1590int devlink_dpipe_entry_ctx_append(struct devlink_dpipe_dump_ctx *dump_ctx,
1591				   struct devlink_dpipe_entry *entry);
1592int devlink_dpipe_entry_ctx_close(struct devlink_dpipe_dump_ctx *dump_ctx);
1593void devlink_dpipe_entry_clear(struct devlink_dpipe_entry *entry);
1594int devlink_dpipe_action_put(struct sk_buff *skb,
1595			     struct devlink_dpipe_action *action);
1596int devlink_dpipe_match_put(struct sk_buff *skb,
1597			    struct devlink_dpipe_match *match);
1598extern struct devlink_dpipe_header devlink_dpipe_header_ethernet;
1599extern struct devlink_dpipe_header devlink_dpipe_header_ipv4;
1600extern struct devlink_dpipe_header devlink_dpipe_header_ipv6;
1601
 
 
 
 
 
 
1602int devlink_resource_register(struct devlink *devlink,
1603			      const char *resource_name,
1604			      u64 resource_size,
1605			      u64 resource_id,
1606			      u64 parent_resource_id,
1607			      const struct devlink_resource_size_params *size_params);
1608void devlink_resources_unregister(struct devlink *devlink,
1609				  struct devlink_resource *resource);
1610int devlink_resource_size_get(struct devlink *devlink,
1611			      u64 resource_id,
1612			      u64 *p_resource_size);
1613int devlink_dpipe_table_resource_set(struct devlink *devlink,
1614				     const char *table_name, u64 resource_id,
1615				     u64 resource_units);
 
 
 
 
1616void devlink_resource_occ_get_register(struct devlink *devlink,
1617				       u64 resource_id,
1618				       devlink_resource_occ_get_t *occ_get,
1619				       void *occ_get_priv);
 
 
 
1620void devlink_resource_occ_get_unregister(struct devlink *devlink,
1621					 u64 resource_id);
 
 
 
1622int devlink_params_register(struct devlink *devlink,
1623			    const struct devlink_param *params,
1624			    size_t params_count);
 
 
 
1625void devlink_params_unregister(struct devlink *devlink,
1626			       const struct devlink_param *params,
1627			       size_t params_count);
1628void devlink_params_publish(struct devlink *devlink);
1629void devlink_params_unpublish(struct devlink *devlink);
1630int devlink_port_params_register(struct devlink_port *devlink_port,
1631				 const struct devlink_param *params,
1632				 size_t params_count);
1633void devlink_port_params_unregister(struct devlink_port *devlink_port,
1634				    const struct devlink_param *params,
1635				    size_t params_count);
1636int devlink_param_driverinit_value_get(struct devlink *devlink, u32 param_id,
1637				       union devlink_param_value *init_val);
1638int devlink_param_driverinit_value_set(struct devlink *devlink, u32 param_id,
1639				       union devlink_param_value init_val);
1640int
1641devlink_port_param_driverinit_value_get(struct devlink_port *devlink_port,
1642					u32 param_id,
1643					union devlink_param_value *init_val);
1644int devlink_port_param_driverinit_value_set(struct devlink_port *devlink_port,
1645					    u32 param_id,
1646					    union devlink_param_value init_val);
1647void devlink_param_value_changed(struct devlink *devlink, u32 param_id);
1648void devlink_port_param_value_changed(struct devlink_port *devlink_port,
1649				      u32 param_id);
1650void devlink_param_value_str_fill(union devlink_param_value *dst_val,
1651				  const char *src);
1652struct devlink_region *
1653devlink_region_create(struct devlink *devlink,
1654		      const struct devlink_region_ops *ops,
1655		      u32 region_max_snapshots, u64 region_size);
1656struct devlink_region *
1657devlink_port_region_create(struct devlink_port *port,
1658			   const struct devlink_port_region_ops *ops,
1659			   u32 region_max_snapshots, u64 region_size);
 
1660void devlink_region_destroy(struct devlink_region *region);
1661void devlink_port_region_destroy(struct devlink_region *region);
1662
1663int devlink_region_snapshot_id_get(struct devlink *devlink, u32 *id);
1664void devlink_region_snapshot_id_put(struct devlink *devlink, u32 id);
1665int devlink_region_snapshot_create(struct devlink_region *region,
1666				   u8 *data, u32 snapshot_id);
1667int devlink_info_serial_number_put(struct devlink_info_req *req,
1668				   const char *sn);
1669int devlink_info_driver_name_put(struct devlink_info_req *req,
1670				 const char *name);
1671int devlink_info_board_serial_number_put(struct devlink_info_req *req,
1672					 const char *bsn);
 
 
 
 
 
 
 
 
1673int devlink_info_version_fixed_put(struct devlink_info_req *req,
1674				   const char *version_name,
1675				   const char *version_value);
1676int devlink_info_version_stored_put(struct devlink_info_req *req,
1677				    const char *version_name,
1678				    const char *version_value);
 
 
 
 
1679int devlink_info_version_running_put(struct devlink_info_req *req,
1680				     const char *version_name,
1681				     const char *version_value);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1682
1683int devlink_fmsg_obj_nest_start(struct devlink_fmsg *fmsg);
1684int devlink_fmsg_obj_nest_end(struct devlink_fmsg *fmsg);
 
 
1685
1686int devlink_fmsg_pair_nest_start(struct devlink_fmsg *fmsg, const char *name);
1687int devlink_fmsg_pair_nest_end(struct devlink_fmsg *fmsg);
 
 
1688
1689int devlink_fmsg_arr_pair_nest_start(struct devlink_fmsg *fmsg,
1690				     const char *name);
1691int devlink_fmsg_arr_pair_nest_end(struct devlink_fmsg *fmsg);
1692int devlink_fmsg_binary_pair_nest_start(struct devlink_fmsg *fmsg,
1693					const char *name);
1694int devlink_fmsg_binary_pair_nest_end(struct devlink_fmsg *fmsg);
1695
1696int devlink_fmsg_bool_put(struct devlink_fmsg *fmsg, bool value);
1697int devlink_fmsg_u8_put(struct devlink_fmsg *fmsg, u8 value);
1698int devlink_fmsg_u32_put(struct devlink_fmsg *fmsg, u32 value);
1699int devlink_fmsg_u64_put(struct devlink_fmsg *fmsg, u64 value);
1700int devlink_fmsg_string_put(struct devlink_fmsg *fmsg, const char *value);
1701int devlink_fmsg_binary_put(struct devlink_fmsg *fmsg, const void *value,
1702			    u16 value_len);
1703
1704int devlink_fmsg_bool_pair_put(struct devlink_fmsg *fmsg, const char *name,
1705			       bool value);
1706int devlink_fmsg_u8_pair_put(struct devlink_fmsg *fmsg, const char *name,
1707			     u8 value);
1708int devlink_fmsg_u32_pair_put(struct devlink_fmsg *fmsg, const char *name,
1709			      u32 value);
1710int devlink_fmsg_u64_pair_put(struct devlink_fmsg *fmsg, const char *name,
1711			      u64 value);
1712int devlink_fmsg_string_pair_put(struct devlink_fmsg *fmsg, const char *name,
1713				 const char *value);
1714int devlink_fmsg_binary_pair_put(struct devlink_fmsg *fmsg, const char *name,
1715				 const void *value, u32 value_len);
1716
1717struct devlink_health_reporter *
1718devlink_health_reporter_create(struct devlink *devlink,
1719			       const struct devlink_health_reporter_ops *ops,
1720			       u64 graceful_period, void *priv);
1721
1722struct devlink_health_reporter *
1723devlink_port_health_reporter_create(struct devlink_port *port,
1724				    const struct devlink_health_reporter_ops *ops,
1725				    u64 graceful_period, void *priv);
1726
1727void
1728devlink_health_reporter_destroy(struct devlink_health_reporter *reporter);
1729
1730void
1731devlink_port_health_reporter_destroy(struct devlink_health_reporter *reporter);
1732
1733void *
1734devlink_health_reporter_priv(struct devlink_health_reporter *reporter);
1735int devlink_health_report(struct devlink_health_reporter *reporter,
1736			  const char *msg, void *priv_ctx);
1737void
1738devlink_health_reporter_state_update(struct devlink_health_reporter *reporter,
1739				     enum devlink_health_reporter_state state);
1740void
1741devlink_health_reporter_recovery_done(struct devlink_health_reporter *reporter);
1742
 
 
1743bool devlink_is_reload_failed(const struct devlink *devlink);
1744void devlink_remote_reload_actions_performed(struct devlink *devlink,
1745					     enum devlink_reload_limit limit,
1746					     u32 actions_performed);
1747
1748void devlink_flash_update_status_notify(struct devlink *devlink,
1749					const char *status_msg,
1750					const char *component,
1751					unsigned long done,
1752					unsigned long total);
1753void devlink_flash_update_timeout_notify(struct devlink *devlink,
1754					 const char *status_msg,
1755					 const char *component,
1756					 unsigned long timeout);
1757
 
 
 
1758int devlink_traps_register(struct devlink *devlink,
1759			   const struct devlink_trap *traps,
1760			   size_t traps_count, void *priv);
 
 
 
1761void devlink_traps_unregister(struct devlink *devlink,
1762			      const struct devlink_trap *traps,
1763			      size_t traps_count);
1764void devlink_trap_report(struct devlink *devlink, struct sk_buff *skb,
1765			 void *trap_ctx, struct devlink_port *in_devlink_port,
1766			 const struct flow_action_cookie *fa_cookie);
1767void *devlink_trap_ctx_priv(void *trap_ctx);
 
 
 
1768int devlink_trap_groups_register(struct devlink *devlink,
1769				 const struct devlink_trap_group *groups,
1770				 size_t groups_count);
 
 
 
1771void devlink_trap_groups_unregister(struct devlink *devlink,
1772				    const struct devlink_trap_group *groups,
1773				    size_t groups_count);
1774int
1775devlink_trap_policers_register(struct devlink *devlink,
1776			       const struct devlink_trap_policer *policers,
1777			       size_t policers_count);
1778void
1779devlink_trap_policers_unregister(struct devlink *devlink,
1780				 const struct devlink_trap_policer *policers,
1781				 size_t policers_count);
1782
1783#if IS_ENABLED(CONFIG_NET_DEVLINK)
1784
1785void devlink_compat_running_version(struct net_device *dev,
 
 
 
1786				    char *buf, size_t len);
1787int devlink_compat_flash_update(struct net_device *dev, const char *file_name);
1788int devlink_compat_phys_port_name_get(struct net_device *dev,
1789				      char *name, size_t len);
1790int devlink_compat_switch_id_get(struct net_device *dev,
1791				 struct netdev_phys_item_id *ppid);
1792
 
 
 
1793#else
1794
 
 
 
 
 
 
 
 
 
1795static inline void
1796devlink_compat_running_version(struct net_device *dev, char *buf, size_t len)
1797{
1798}
1799
1800static inline int
1801devlink_compat_flash_update(struct net_device *dev, const char *file_name)
1802{
1803	return -EOPNOTSUPP;
1804}
1805
1806static inline int
1807devlink_compat_phys_port_name_get(struct net_device *dev,
1808				  char *name, size_t len)
1809{
1810	return -EOPNOTSUPP;
1811}
1812
1813static inline int
1814devlink_compat_switch_id_get(struct net_device *dev,
1815			     struct netdev_phys_item_id *ppid)
1816{
1817	return -EOPNOTSUPP;
 
 
 
 
 
 
 
 
 
 
 
1818}
1819
1820#endif
1821
1822#endif /* _NET_DEVLINK_H_ */