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