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