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