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