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 #define DEVLINK_RESOURCE_ID_PARENT_TOP 0 365 366 #define DEVLINK_RESOURCE_GENERIC_NAME_PORTS "physical_ports" 367 368 #define __DEVLINK_PARAM_MAX_STRING_VALUE 32 369 enum devlink_param_type { 370 DEVLINK_PARAM_TYPE_U8, 371 DEVLINK_PARAM_TYPE_U16, 372 DEVLINK_PARAM_TYPE_U32, 373 DEVLINK_PARAM_TYPE_STRING, 374 DEVLINK_PARAM_TYPE_BOOL, 375 }; 376 377 union devlink_param_value { 378 u8 vu8; 379 u16 vu16; 380 u32 vu32; 381 char vstr[__DEVLINK_PARAM_MAX_STRING_VALUE]; 382 bool vbool; 383 }; 384 385 struct devlink_param_gset_ctx { 386 union devlink_param_value val; 387 enum devlink_param_cmode cmode; 388 }; 389 390 /** 391 * struct devlink_flash_notify - devlink dev flash notify data 392 * @status_msg: current status string 393 * @component: firmware component being updated 394 * @done: amount of work completed of total amount 395 * @total: amount of work expected to be done 396 * @timeout: expected max timeout in seconds 397 * 398 * These are values to be given to userland to be displayed in order 399 * to show current activity in a firmware update process. 400 */ 401 struct devlink_flash_notify { 402 const char *status_msg; 403 const char *component; 404 unsigned long done; 405 unsigned long total; 406 unsigned long timeout; 407 }; 408 409 /** 410 * struct devlink_param - devlink configuration parameter data 411 * @name: name of the parameter 412 * @generic: indicates if the parameter is generic or driver specific 413 * @type: parameter type 414 * @supported_cmodes: bitmap of supported configuration modes 415 * @get: get parameter value, used for runtime and permanent 416 * configuration modes 417 * @set: set parameter value, used for runtime and permanent 418 * configuration modes 419 * @validate: validate input value is applicable (within value range, etc.) 420 * 421 * This struct should be used by the driver to fill the data for 422 * a parameter it registers. 423 */ 424 struct devlink_param { 425 u32 id; 426 const char *name; 427 bool generic; 428 enum devlink_param_type type; 429 unsigned long supported_cmodes; 430 int (*get)(struct devlink *devlink, u32 id, 431 struct devlink_param_gset_ctx *ctx); 432 int (*set)(struct devlink *devlink, u32 id, 433 struct devlink_param_gset_ctx *ctx); 434 int (*validate)(struct devlink *devlink, u32 id, 435 union devlink_param_value val, 436 struct netlink_ext_ack *extack); 437 }; 438 439 struct devlink_param_item { 440 struct list_head list; 441 const struct devlink_param *param; 442 union devlink_param_value driverinit_value; 443 bool driverinit_value_valid; 444 }; 445 446 enum devlink_param_generic_id { 447 DEVLINK_PARAM_GENERIC_ID_INT_ERR_RESET, 448 DEVLINK_PARAM_GENERIC_ID_MAX_MACS, 449 DEVLINK_PARAM_GENERIC_ID_ENABLE_SRIOV, 450 DEVLINK_PARAM_GENERIC_ID_REGION_SNAPSHOT, 451 DEVLINK_PARAM_GENERIC_ID_IGNORE_ARI, 452 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX, 453 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN, 454 DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY, 455 DEVLINK_PARAM_GENERIC_ID_RESET_DEV_ON_DRV_PROBE, 456 DEVLINK_PARAM_GENERIC_ID_ENABLE_ROCE, 457 DEVLINK_PARAM_GENERIC_ID_ENABLE_REMOTE_DEV_RESET, 458 DEVLINK_PARAM_GENERIC_ID_ENABLE_ETH, 459 DEVLINK_PARAM_GENERIC_ID_ENABLE_RDMA, 460 DEVLINK_PARAM_GENERIC_ID_ENABLE_VNET, 461 DEVLINK_PARAM_GENERIC_ID_ENABLE_IWARP, 462 DEVLINK_PARAM_GENERIC_ID_IO_EQ_SIZE, 463 DEVLINK_PARAM_GENERIC_ID_EVENT_EQ_SIZE, 464 465 /* add new param generic ids above here*/ 466 __DEVLINK_PARAM_GENERIC_ID_MAX, 467 DEVLINK_PARAM_GENERIC_ID_MAX = __DEVLINK_PARAM_GENERIC_ID_MAX - 1, 468 }; 469 470 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_NAME "internal_error_reset" 471 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL 472 473 #define DEVLINK_PARAM_GENERIC_MAX_MACS_NAME "max_macs" 474 #define DEVLINK_PARAM_GENERIC_MAX_MACS_TYPE DEVLINK_PARAM_TYPE_U32 475 476 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_NAME "enable_sriov" 477 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_TYPE DEVLINK_PARAM_TYPE_BOOL 478 479 #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_NAME "region_snapshot_enable" 480 #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_TYPE DEVLINK_PARAM_TYPE_BOOL 481 482 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_NAME "ignore_ari" 483 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_TYPE DEVLINK_PARAM_TYPE_BOOL 484 485 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_NAME "msix_vec_per_pf_max" 486 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_TYPE DEVLINK_PARAM_TYPE_U32 487 488 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_NAME "msix_vec_per_pf_min" 489 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_TYPE DEVLINK_PARAM_TYPE_U32 490 491 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_NAME "fw_load_policy" 492 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_TYPE DEVLINK_PARAM_TYPE_U8 493 494 #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_NAME \ 495 "reset_dev_on_drv_probe" 496 #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_TYPE DEVLINK_PARAM_TYPE_U8 497 498 #define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_NAME "enable_roce" 499 #define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_TYPE DEVLINK_PARAM_TYPE_BOOL 500 501 #define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_NAME "enable_remote_dev_reset" 502 #define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL 503 504 #define DEVLINK_PARAM_GENERIC_ENABLE_ETH_NAME "enable_eth" 505 #define DEVLINK_PARAM_GENERIC_ENABLE_ETH_TYPE DEVLINK_PARAM_TYPE_BOOL 506 507 #define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_NAME "enable_rdma" 508 #define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_TYPE DEVLINK_PARAM_TYPE_BOOL 509 510 #define DEVLINK_PARAM_GENERIC_ENABLE_VNET_NAME "enable_vnet" 511 #define DEVLINK_PARAM_GENERIC_ENABLE_VNET_TYPE DEVLINK_PARAM_TYPE_BOOL 512 513 #define DEVLINK_PARAM_GENERIC_ENABLE_IWARP_NAME "enable_iwarp" 514 #define DEVLINK_PARAM_GENERIC_ENABLE_IWARP_TYPE DEVLINK_PARAM_TYPE_BOOL 515 516 #define DEVLINK_PARAM_GENERIC_IO_EQ_SIZE_NAME "io_eq_size" 517 #define DEVLINK_PARAM_GENERIC_IO_EQ_SIZE_TYPE DEVLINK_PARAM_TYPE_U32 518 519 #define DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_NAME "event_eq_size" 520 #define DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_TYPE DEVLINK_PARAM_TYPE_U32 521 522 #define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate) \ 523 { \ 524 .id = DEVLINK_PARAM_GENERIC_ID_##_id, \ 525 .name = DEVLINK_PARAM_GENERIC_##_id##_NAME, \ 526 .type = DEVLINK_PARAM_GENERIC_##_id##_TYPE, \ 527 .generic = true, \ 528 .supported_cmodes = _cmodes, \ 529 .get = _get, \ 530 .set = _set, \ 531 .validate = _validate, \ 532 } 533 534 #define DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, _get, _set, _validate) \ 535 { \ 536 .id = _id, \ 537 .name = _name, \ 538 .type = _type, \ 539 .supported_cmodes = _cmodes, \ 540 .get = _get, \ 541 .set = _set, \ 542 .validate = _validate, \ 543 } 544 545 /* Part number, identifier of board design */ 546 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_ID "board.id" 547 /* Revision of board design */ 548 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_REV "board.rev" 549 /* Maker of the board */ 550 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_MANUFACTURE "board.manufacture" 551 552 /* Part number, identifier of asic design */ 553 #define DEVLINK_INFO_VERSION_GENERIC_ASIC_ID "asic.id" 554 /* Revision of asic design */ 555 #define DEVLINK_INFO_VERSION_GENERIC_ASIC_REV "asic.rev" 556 557 /* Overall FW version */ 558 #define DEVLINK_INFO_VERSION_GENERIC_FW "fw" 559 /* Control processor FW version */ 560 #define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT "fw.mgmt" 561 /* FW interface specification version */ 562 #define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT_API "fw.mgmt.api" 563 /* Data path microcode controlling high-speed packet processing */ 564 #define DEVLINK_INFO_VERSION_GENERIC_FW_APP "fw.app" 565 /* UNDI software version */ 566 #define DEVLINK_INFO_VERSION_GENERIC_FW_UNDI "fw.undi" 567 /* NCSI support/handler version */ 568 #define DEVLINK_INFO_VERSION_GENERIC_FW_NCSI "fw.ncsi" 569 /* FW parameter set id */ 570 #define DEVLINK_INFO_VERSION_GENERIC_FW_PSID "fw.psid" 571 /* RoCE FW version */ 572 #define DEVLINK_INFO_VERSION_GENERIC_FW_ROCE "fw.roce" 573 /* Firmware bundle identifier */ 574 #define DEVLINK_INFO_VERSION_GENERIC_FW_BUNDLE_ID "fw.bundle_id" 575 576 /** 577 * struct devlink_flash_update_params - Flash Update parameters 578 * @fw: pointer to the firmware data to update from 579 * @component: the flash component to update 580 * 581 * With the exception of fw, drivers must opt-in to parameters by 582 * setting the appropriate bit in the supported_flash_update_params field in 583 * their devlink_ops structure. 584 */ 585 struct devlink_flash_update_params { 586 const struct firmware *fw; 587 const char *component; 588 u32 overwrite_mask; 589 }; 590 591 #define DEVLINK_SUPPORT_FLASH_UPDATE_COMPONENT BIT(0) 592 #define DEVLINK_SUPPORT_FLASH_UPDATE_OVERWRITE_MASK BIT(1) 593 594 struct devlink_region; 595 struct devlink_info_req; 596 597 /** 598 * struct devlink_region_ops - Region operations 599 * @name: region name 600 * @destructor: callback used to free snapshot memory when deleting 601 * @snapshot: callback to request an immediate snapshot. On success, 602 * the data variable must be updated to point to the snapshot data. 603 * The function will be called while the devlink instance lock is 604 * held. 605 * @priv: Pointer to driver private data for the region operation 606 */ 607 struct devlink_region_ops { 608 const char *name; 609 void (*destructor)(const void *data); 610 int (*snapshot)(struct devlink *devlink, 611 const struct devlink_region_ops *ops, 612 struct netlink_ext_ack *extack, 613 u8 **data); 614 void *priv; 615 }; 616 617 /** 618 * struct devlink_port_region_ops - Region operations for a port 619 * @name: region name 620 * @destructor: callback used to free snapshot memory when deleting 621 * @snapshot: callback to request an immediate snapshot. On success, 622 * the data variable must be updated to point to the snapshot data. 623 * The function will be called while the devlink instance lock is 624 * held. 625 * @priv: Pointer to driver private data for the region operation 626 */ 627 struct devlink_port_region_ops { 628 const char *name; 629 void (*destructor)(const void *data); 630 int (*snapshot)(struct devlink_port *port, 631 const struct devlink_port_region_ops *ops, 632 struct netlink_ext_ack *extack, 633 u8 **data); 634 void *priv; 635 }; 636 637 struct devlink_fmsg; 638 struct devlink_health_reporter; 639 640 enum devlink_health_reporter_state { 641 DEVLINK_HEALTH_REPORTER_STATE_HEALTHY, 642 DEVLINK_HEALTH_REPORTER_STATE_ERROR, 643 }; 644 645 /** 646 * struct devlink_health_reporter_ops - Reporter operations 647 * @name: reporter name 648 * @recover: callback to recover from reported error 649 * if priv_ctx is NULL, run a full recover 650 * @dump: callback to dump an object 651 * if priv_ctx is NULL, run a full dump 652 * @diagnose: callback to diagnose the current status 653 * @test: callback to trigger a test event 654 */ 655 656 struct devlink_health_reporter_ops { 657 char *name; 658 int (*recover)(struct devlink_health_reporter *reporter, 659 void *priv_ctx, struct netlink_ext_ack *extack); 660 int (*dump)(struct devlink_health_reporter *reporter, 661 struct devlink_fmsg *fmsg, void *priv_ctx, 662 struct netlink_ext_ack *extack); 663 int (*diagnose)(struct devlink_health_reporter *reporter, 664 struct devlink_fmsg *fmsg, 665 struct netlink_ext_ack *extack); 666 int (*test)(struct devlink_health_reporter *reporter, 667 struct netlink_ext_ack *extack); 668 }; 669 670 /** 671 * struct devlink_trap_metadata - Packet trap metadata. 672 * @trap_name: Trap name. 673 * @trap_group_name: Trap group name. 674 * @input_dev: Input netdevice. 675 * @dev_tracker: refcount tracker for @input_dev. 676 * @fa_cookie: Flow action user cookie. 677 * @trap_type: Trap type. 678 */ 679 struct devlink_trap_metadata { 680 const char *trap_name; 681 const char *trap_group_name; 682 683 struct net_device *input_dev; 684 netdevice_tracker dev_tracker; 685 686 const struct flow_action_cookie *fa_cookie; 687 enum devlink_trap_type trap_type; 688 }; 689 690 /** 691 * struct devlink_trap_policer - Immutable packet trap policer attributes. 692 * @id: Policer identifier. 693 * @init_rate: Initial rate in packets / sec. 694 * @init_burst: Initial burst size in packets. 695 * @max_rate: Maximum rate. 696 * @min_rate: Minimum rate. 697 * @max_burst: Maximum burst size. 698 * @min_burst: Minimum burst size. 699 * 700 * Describes immutable attributes of packet trap policers that drivers register 701 * with devlink. 702 */ 703 struct devlink_trap_policer { 704 u32 id; 705 u64 init_rate; 706 u64 init_burst; 707 u64 max_rate; 708 u64 min_rate; 709 u64 max_burst; 710 u64 min_burst; 711 }; 712 713 /** 714 * struct devlink_trap_group - Immutable packet trap group attributes. 715 * @name: Trap group name. 716 * @id: Trap group identifier. 717 * @generic: Whether the trap group is generic or not. 718 * @init_policer_id: Initial policer identifier. 719 * 720 * Describes immutable attributes of packet trap groups that drivers register 721 * with devlink. 722 */ 723 struct devlink_trap_group { 724 const char *name; 725 u16 id; 726 bool generic; 727 u32 init_policer_id; 728 }; 729 730 #define DEVLINK_TRAP_METADATA_TYPE_F_IN_PORT BIT(0) 731 #define DEVLINK_TRAP_METADATA_TYPE_F_FA_COOKIE BIT(1) 732 733 /** 734 * struct devlink_trap - Immutable packet trap attributes. 735 * @type: Trap type. 736 * @init_action: Initial trap action. 737 * @generic: Whether the trap is generic or not. 738 * @id: Trap identifier. 739 * @name: Trap name. 740 * @init_group_id: Initial group identifier. 741 * @metadata_cap: Metadata types that can be provided by the trap. 742 * 743 * Describes immutable attributes of packet traps that drivers register with 744 * devlink. 745 */ 746 struct devlink_trap { 747 enum devlink_trap_type type; 748 enum devlink_trap_action init_action; 749 bool generic; 750 u16 id; 751 const char *name; 752 u16 init_group_id; 753 u32 metadata_cap; 754 }; 755 756 /* All traps must be documented in 757 * Documentation/networking/devlink/devlink-trap.rst 758 */ 759 enum devlink_trap_generic_id { 760 DEVLINK_TRAP_GENERIC_ID_SMAC_MC, 761 DEVLINK_TRAP_GENERIC_ID_VLAN_TAG_MISMATCH, 762 DEVLINK_TRAP_GENERIC_ID_INGRESS_VLAN_FILTER, 763 DEVLINK_TRAP_GENERIC_ID_INGRESS_STP_FILTER, 764 DEVLINK_TRAP_GENERIC_ID_EMPTY_TX_LIST, 765 DEVLINK_TRAP_GENERIC_ID_PORT_LOOPBACK_FILTER, 766 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_ROUTE, 767 DEVLINK_TRAP_GENERIC_ID_TTL_ERROR, 768 DEVLINK_TRAP_GENERIC_ID_TAIL_DROP, 769 DEVLINK_TRAP_GENERIC_ID_NON_IP_PACKET, 770 DEVLINK_TRAP_GENERIC_ID_UC_DIP_MC_DMAC, 771 DEVLINK_TRAP_GENERIC_ID_DIP_LB, 772 DEVLINK_TRAP_GENERIC_ID_SIP_MC, 773 DEVLINK_TRAP_GENERIC_ID_SIP_LB, 774 DEVLINK_TRAP_GENERIC_ID_CORRUPTED_IP_HDR, 775 DEVLINK_TRAP_GENERIC_ID_IPV4_SIP_BC, 776 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_RESERVED_SCOPE, 777 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE, 778 DEVLINK_TRAP_GENERIC_ID_MTU_ERROR, 779 DEVLINK_TRAP_GENERIC_ID_UNRESOLVED_NEIGH, 780 DEVLINK_TRAP_GENERIC_ID_RPF, 781 DEVLINK_TRAP_GENERIC_ID_REJECT_ROUTE, 782 DEVLINK_TRAP_GENERIC_ID_IPV4_LPM_UNICAST_MISS, 783 DEVLINK_TRAP_GENERIC_ID_IPV6_LPM_UNICAST_MISS, 784 DEVLINK_TRAP_GENERIC_ID_NON_ROUTABLE, 785 DEVLINK_TRAP_GENERIC_ID_DECAP_ERROR, 786 DEVLINK_TRAP_GENERIC_ID_OVERLAY_SMAC_MC, 787 DEVLINK_TRAP_GENERIC_ID_INGRESS_FLOW_ACTION_DROP, 788 DEVLINK_TRAP_GENERIC_ID_EGRESS_FLOW_ACTION_DROP, 789 DEVLINK_TRAP_GENERIC_ID_STP, 790 DEVLINK_TRAP_GENERIC_ID_LACP, 791 DEVLINK_TRAP_GENERIC_ID_LLDP, 792 DEVLINK_TRAP_GENERIC_ID_IGMP_QUERY, 793 DEVLINK_TRAP_GENERIC_ID_IGMP_V1_REPORT, 794 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_REPORT, 795 DEVLINK_TRAP_GENERIC_ID_IGMP_V3_REPORT, 796 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_LEAVE, 797 DEVLINK_TRAP_GENERIC_ID_MLD_QUERY, 798 DEVLINK_TRAP_GENERIC_ID_MLD_V1_REPORT, 799 DEVLINK_TRAP_GENERIC_ID_MLD_V2_REPORT, 800 DEVLINK_TRAP_GENERIC_ID_MLD_V1_DONE, 801 DEVLINK_TRAP_GENERIC_ID_IPV4_DHCP, 802 DEVLINK_TRAP_GENERIC_ID_IPV6_DHCP, 803 DEVLINK_TRAP_GENERIC_ID_ARP_REQUEST, 804 DEVLINK_TRAP_GENERIC_ID_ARP_RESPONSE, 805 DEVLINK_TRAP_GENERIC_ID_ARP_OVERLAY, 806 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_SOLICIT, 807 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_ADVERT, 808 DEVLINK_TRAP_GENERIC_ID_IPV4_BFD, 809 DEVLINK_TRAP_GENERIC_ID_IPV6_BFD, 810 DEVLINK_TRAP_GENERIC_ID_IPV4_OSPF, 811 DEVLINK_TRAP_GENERIC_ID_IPV6_OSPF, 812 DEVLINK_TRAP_GENERIC_ID_IPV4_BGP, 813 DEVLINK_TRAP_GENERIC_ID_IPV6_BGP, 814 DEVLINK_TRAP_GENERIC_ID_IPV4_VRRP, 815 DEVLINK_TRAP_GENERIC_ID_IPV6_VRRP, 816 DEVLINK_TRAP_GENERIC_ID_IPV4_PIM, 817 DEVLINK_TRAP_GENERIC_ID_IPV6_PIM, 818 DEVLINK_TRAP_GENERIC_ID_UC_LB, 819 DEVLINK_TRAP_GENERIC_ID_LOCAL_ROUTE, 820 DEVLINK_TRAP_GENERIC_ID_EXTERNAL_ROUTE, 821 DEVLINK_TRAP_GENERIC_ID_IPV6_UC_DIP_LINK_LOCAL_SCOPE, 822 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_NODES, 823 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_ROUTERS, 824 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_SOLICIT, 825 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ADVERT, 826 DEVLINK_TRAP_GENERIC_ID_IPV6_REDIRECT, 827 DEVLINK_TRAP_GENERIC_ID_IPV4_ROUTER_ALERT, 828 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ALERT, 829 DEVLINK_TRAP_GENERIC_ID_PTP_EVENT, 830 DEVLINK_TRAP_GENERIC_ID_PTP_GENERAL, 831 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_SAMPLE, 832 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_TRAP, 833 DEVLINK_TRAP_GENERIC_ID_EARLY_DROP, 834 DEVLINK_TRAP_GENERIC_ID_VXLAN_PARSING, 835 DEVLINK_TRAP_GENERIC_ID_LLC_SNAP_PARSING, 836 DEVLINK_TRAP_GENERIC_ID_VLAN_PARSING, 837 DEVLINK_TRAP_GENERIC_ID_PPPOE_PPP_PARSING, 838 DEVLINK_TRAP_GENERIC_ID_MPLS_PARSING, 839 DEVLINK_TRAP_GENERIC_ID_ARP_PARSING, 840 DEVLINK_TRAP_GENERIC_ID_IP_1_PARSING, 841 DEVLINK_TRAP_GENERIC_ID_IP_N_PARSING, 842 DEVLINK_TRAP_GENERIC_ID_GRE_PARSING, 843 DEVLINK_TRAP_GENERIC_ID_UDP_PARSING, 844 DEVLINK_TRAP_GENERIC_ID_TCP_PARSING, 845 DEVLINK_TRAP_GENERIC_ID_IPSEC_PARSING, 846 DEVLINK_TRAP_GENERIC_ID_SCTP_PARSING, 847 DEVLINK_TRAP_GENERIC_ID_DCCP_PARSING, 848 DEVLINK_TRAP_GENERIC_ID_GTP_PARSING, 849 DEVLINK_TRAP_GENERIC_ID_ESP_PARSING, 850 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_NEXTHOP, 851 DEVLINK_TRAP_GENERIC_ID_DMAC_FILTER, 852 853 /* Add new generic trap IDs above */ 854 __DEVLINK_TRAP_GENERIC_ID_MAX, 855 DEVLINK_TRAP_GENERIC_ID_MAX = __DEVLINK_TRAP_GENERIC_ID_MAX - 1, 856 }; 857 858 /* All trap groups must be documented in 859 * Documentation/networking/devlink/devlink-trap.rst 860 */ 861 enum devlink_trap_group_generic_id { 862 DEVLINK_TRAP_GROUP_GENERIC_ID_L2_DROPS, 863 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_DROPS, 864 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_EXCEPTIONS, 865 DEVLINK_TRAP_GROUP_GENERIC_ID_BUFFER_DROPS, 866 DEVLINK_TRAP_GROUP_GENERIC_ID_TUNNEL_DROPS, 867 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_DROPS, 868 DEVLINK_TRAP_GROUP_GENERIC_ID_STP, 869 DEVLINK_TRAP_GROUP_GENERIC_ID_LACP, 870 DEVLINK_TRAP_GROUP_GENERIC_ID_LLDP, 871 DEVLINK_TRAP_GROUP_GENERIC_ID_MC_SNOOPING, 872 DEVLINK_TRAP_GROUP_GENERIC_ID_DHCP, 873 DEVLINK_TRAP_GROUP_GENERIC_ID_NEIGH_DISCOVERY, 874 DEVLINK_TRAP_GROUP_GENERIC_ID_BFD, 875 DEVLINK_TRAP_GROUP_GENERIC_ID_OSPF, 876 DEVLINK_TRAP_GROUP_GENERIC_ID_BGP, 877 DEVLINK_TRAP_GROUP_GENERIC_ID_VRRP, 878 DEVLINK_TRAP_GROUP_GENERIC_ID_PIM, 879 DEVLINK_TRAP_GROUP_GENERIC_ID_UC_LB, 880 DEVLINK_TRAP_GROUP_GENERIC_ID_LOCAL_DELIVERY, 881 DEVLINK_TRAP_GROUP_GENERIC_ID_EXTERNAL_DELIVERY, 882 DEVLINK_TRAP_GROUP_GENERIC_ID_IPV6, 883 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_EVENT, 884 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_GENERAL, 885 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_SAMPLE, 886 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_TRAP, 887 DEVLINK_TRAP_GROUP_GENERIC_ID_PARSER_ERROR_DROPS, 888 889 /* Add new generic trap group IDs above */ 890 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX, 891 DEVLINK_TRAP_GROUP_GENERIC_ID_MAX = 892 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX - 1, 893 }; 894 895 #define DEVLINK_TRAP_GENERIC_NAME_SMAC_MC \ 896 "source_mac_is_multicast" 897 #define DEVLINK_TRAP_GENERIC_NAME_VLAN_TAG_MISMATCH \ 898 "vlan_tag_mismatch" 899 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_VLAN_FILTER \ 900 "ingress_vlan_filter" 901 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_STP_FILTER \ 902 "ingress_spanning_tree_filter" 903 #define DEVLINK_TRAP_GENERIC_NAME_EMPTY_TX_LIST \ 904 "port_list_is_empty" 905 #define DEVLINK_TRAP_GENERIC_NAME_PORT_LOOPBACK_FILTER \ 906 "port_loopback_filter" 907 #define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_ROUTE \ 908 "blackhole_route" 909 #define DEVLINK_TRAP_GENERIC_NAME_TTL_ERROR \ 910 "ttl_value_is_too_small" 911 #define DEVLINK_TRAP_GENERIC_NAME_TAIL_DROP \ 912 "tail_drop" 913 #define DEVLINK_TRAP_GENERIC_NAME_NON_IP_PACKET \ 914 "non_ip" 915 #define DEVLINK_TRAP_GENERIC_NAME_UC_DIP_MC_DMAC \ 916 "uc_dip_over_mc_dmac" 917 #define DEVLINK_TRAP_GENERIC_NAME_DIP_LB \ 918 "dip_is_loopback_address" 919 #define DEVLINK_TRAP_GENERIC_NAME_SIP_MC \ 920 "sip_is_mc" 921 #define DEVLINK_TRAP_GENERIC_NAME_SIP_LB \ 922 "sip_is_loopback_address" 923 #define DEVLINK_TRAP_GENERIC_NAME_CORRUPTED_IP_HDR \ 924 "ip_header_corrupted" 925 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_SIP_BC \ 926 "ipv4_sip_is_limited_bc" 927 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_RESERVED_SCOPE \ 928 "ipv6_mc_dip_reserved_scope" 929 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE \ 930 "ipv6_mc_dip_interface_local_scope" 931 #define DEVLINK_TRAP_GENERIC_NAME_MTU_ERROR \ 932 "mtu_value_is_too_small" 933 #define DEVLINK_TRAP_GENERIC_NAME_UNRESOLVED_NEIGH \ 934 "unresolved_neigh" 935 #define DEVLINK_TRAP_GENERIC_NAME_RPF \ 936 "mc_reverse_path_forwarding" 937 #define DEVLINK_TRAP_GENERIC_NAME_REJECT_ROUTE \ 938 "reject_route" 939 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_LPM_UNICAST_MISS \ 940 "ipv4_lpm_miss" 941 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_LPM_UNICAST_MISS \ 942 "ipv6_lpm_miss" 943 #define DEVLINK_TRAP_GENERIC_NAME_NON_ROUTABLE \ 944 "non_routable_packet" 945 #define DEVLINK_TRAP_GENERIC_NAME_DECAP_ERROR \ 946 "decap_error" 947 #define DEVLINK_TRAP_GENERIC_NAME_OVERLAY_SMAC_MC \ 948 "overlay_smac_is_mc" 949 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_FLOW_ACTION_DROP \ 950 "ingress_flow_action_drop" 951 #define DEVLINK_TRAP_GENERIC_NAME_EGRESS_FLOW_ACTION_DROP \ 952 "egress_flow_action_drop" 953 #define DEVLINK_TRAP_GENERIC_NAME_STP \ 954 "stp" 955 #define DEVLINK_TRAP_GENERIC_NAME_LACP \ 956 "lacp" 957 #define DEVLINK_TRAP_GENERIC_NAME_LLDP \ 958 "lldp" 959 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_QUERY \ 960 "igmp_query" 961 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V1_REPORT \ 962 "igmp_v1_report" 963 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_REPORT \ 964 "igmp_v2_report" 965 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V3_REPORT \ 966 "igmp_v3_report" 967 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_LEAVE \ 968 "igmp_v2_leave" 969 #define DEVLINK_TRAP_GENERIC_NAME_MLD_QUERY \ 970 "mld_query" 971 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_REPORT \ 972 "mld_v1_report" 973 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V2_REPORT \ 974 "mld_v2_report" 975 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_DONE \ 976 "mld_v1_done" 977 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_DHCP \ 978 "ipv4_dhcp" 979 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DHCP \ 980 "ipv6_dhcp" 981 #define DEVLINK_TRAP_GENERIC_NAME_ARP_REQUEST \ 982 "arp_request" 983 #define DEVLINK_TRAP_GENERIC_NAME_ARP_RESPONSE \ 984 "arp_response" 985 #define DEVLINK_TRAP_GENERIC_NAME_ARP_OVERLAY \ 986 "arp_overlay" 987 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_SOLICIT \ 988 "ipv6_neigh_solicit" 989 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_ADVERT \ 990 "ipv6_neigh_advert" 991 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_BFD \ 992 "ipv4_bfd" 993 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_BFD \ 994 "ipv6_bfd" 995 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_OSPF \ 996 "ipv4_ospf" 997 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_OSPF \ 998 "ipv6_ospf" 999 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_BGP \ 1000 "ipv4_bgp" 1001 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_BGP \ 1002 "ipv6_bgp" 1003 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_VRRP \ 1004 "ipv4_vrrp" 1005 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_VRRP \ 1006 "ipv6_vrrp" 1007 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_PIM \ 1008 "ipv4_pim" 1009 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_PIM \ 1010 "ipv6_pim" 1011 #define DEVLINK_TRAP_GENERIC_NAME_UC_LB \ 1012 "uc_loopback" 1013 #define DEVLINK_TRAP_GENERIC_NAME_LOCAL_ROUTE \ 1014 "local_route" 1015 #define DEVLINK_TRAP_GENERIC_NAME_EXTERNAL_ROUTE \ 1016 "external_route" 1017 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_UC_DIP_LINK_LOCAL_SCOPE \ 1018 "ipv6_uc_dip_link_local_scope" 1019 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_NODES \ 1020 "ipv6_dip_all_nodes" 1021 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_ROUTERS \ 1022 "ipv6_dip_all_routers" 1023 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_SOLICIT \ 1024 "ipv6_router_solicit" 1025 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ADVERT \ 1026 "ipv6_router_advert" 1027 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_REDIRECT \ 1028 "ipv6_redirect" 1029 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_ROUTER_ALERT \ 1030 "ipv4_router_alert" 1031 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ALERT \ 1032 "ipv6_router_alert" 1033 #define DEVLINK_TRAP_GENERIC_NAME_PTP_EVENT \ 1034 "ptp_event" 1035 #define DEVLINK_TRAP_GENERIC_NAME_PTP_GENERAL \ 1036 "ptp_general" 1037 #define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_SAMPLE \ 1038 "flow_action_sample" 1039 #define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_TRAP \ 1040 "flow_action_trap" 1041 #define DEVLINK_TRAP_GENERIC_NAME_EARLY_DROP \ 1042 "early_drop" 1043 #define DEVLINK_TRAP_GENERIC_NAME_VXLAN_PARSING \ 1044 "vxlan_parsing" 1045 #define DEVLINK_TRAP_GENERIC_NAME_LLC_SNAP_PARSING \ 1046 "llc_snap_parsing" 1047 #define DEVLINK_TRAP_GENERIC_NAME_VLAN_PARSING \ 1048 "vlan_parsing" 1049 #define DEVLINK_TRAP_GENERIC_NAME_PPPOE_PPP_PARSING \ 1050 "pppoe_ppp_parsing" 1051 #define DEVLINK_TRAP_GENERIC_NAME_MPLS_PARSING \ 1052 "mpls_parsing" 1053 #define DEVLINK_TRAP_GENERIC_NAME_ARP_PARSING \ 1054 "arp_parsing" 1055 #define DEVLINK_TRAP_GENERIC_NAME_IP_1_PARSING \ 1056 "ip_1_parsing" 1057 #define DEVLINK_TRAP_GENERIC_NAME_IP_N_PARSING \ 1058 "ip_n_parsing" 1059 #define DEVLINK_TRAP_GENERIC_NAME_GRE_PARSING \ 1060 "gre_parsing" 1061 #define DEVLINK_TRAP_GENERIC_NAME_UDP_PARSING \ 1062 "udp_parsing" 1063 #define DEVLINK_TRAP_GENERIC_NAME_TCP_PARSING \ 1064 "tcp_parsing" 1065 #define DEVLINK_TRAP_GENERIC_NAME_IPSEC_PARSING \ 1066 "ipsec_parsing" 1067 #define DEVLINK_TRAP_GENERIC_NAME_SCTP_PARSING \ 1068 "sctp_parsing" 1069 #define DEVLINK_TRAP_GENERIC_NAME_DCCP_PARSING \ 1070 "dccp_parsing" 1071 #define DEVLINK_TRAP_GENERIC_NAME_GTP_PARSING \ 1072 "gtp_parsing" 1073 #define DEVLINK_TRAP_GENERIC_NAME_ESP_PARSING \ 1074 "esp_parsing" 1075 #define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_NEXTHOP \ 1076 "blackhole_nexthop" 1077 #define DEVLINK_TRAP_GENERIC_NAME_DMAC_FILTER \ 1078 "dmac_filter" 1079 1080 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L2_DROPS \ 1081 "l2_drops" 1082 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_DROPS \ 1083 "l3_drops" 1084 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_EXCEPTIONS \ 1085 "l3_exceptions" 1086 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BUFFER_DROPS \ 1087 "buffer_drops" 1088 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_TUNNEL_DROPS \ 1089 "tunnel_drops" 1090 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_DROPS \ 1091 "acl_drops" 1092 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_STP \ 1093 "stp" 1094 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LACP \ 1095 "lacp" 1096 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LLDP \ 1097 "lldp" 1098 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_MC_SNOOPING \ 1099 "mc_snooping" 1100 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_DHCP \ 1101 "dhcp" 1102 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_NEIGH_DISCOVERY \ 1103 "neigh_discovery" 1104 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BFD \ 1105 "bfd" 1106 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_OSPF \ 1107 "ospf" 1108 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BGP \ 1109 "bgp" 1110 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_VRRP \ 1111 "vrrp" 1112 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PIM \ 1113 "pim" 1114 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_UC_LB \ 1115 "uc_loopback" 1116 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LOCAL_DELIVERY \ 1117 "local_delivery" 1118 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_EXTERNAL_DELIVERY \ 1119 "external_delivery" 1120 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_IPV6 \ 1121 "ipv6" 1122 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_EVENT \ 1123 "ptp_event" 1124 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_GENERAL \ 1125 "ptp_general" 1126 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_SAMPLE \ 1127 "acl_sample" 1128 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_TRAP \ 1129 "acl_trap" 1130 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PARSER_ERROR_DROPS \ 1131 "parser_error_drops" 1132 1133 #define DEVLINK_TRAP_GENERIC(_type, _init_action, _id, _group_id, \ 1134 _metadata_cap) \ 1135 { \ 1136 .type = DEVLINK_TRAP_TYPE_##_type, \ 1137 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \ 1138 .generic = true, \ 1139 .id = DEVLINK_TRAP_GENERIC_ID_##_id, \ 1140 .name = DEVLINK_TRAP_GENERIC_NAME_##_id, \ 1141 .init_group_id = _group_id, \ 1142 .metadata_cap = _metadata_cap, \ 1143 } 1144 1145 #define DEVLINK_TRAP_DRIVER(_type, _init_action, _id, _name, _group_id, \ 1146 _metadata_cap) \ 1147 { \ 1148 .type = DEVLINK_TRAP_TYPE_##_type, \ 1149 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \ 1150 .generic = false, \ 1151 .id = _id, \ 1152 .name = _name, \ 1153 .init_group_id = _group_id, \ 1154 .metadata_cap = _metadata_cap, \ 1155 } 1156 1157 #define DEVLINK_TRAP_GROUP_GENERIC(_id, _policer_id) \ 1158 { \ 1159 .name = DEVLINK_TRAP_GROUP_GENERIC_NAME_##_id, \ 1160 .id = DEVLINK_TRAP_GROUP_GENERIC_ID_##_id, \ 1161 .generic = true, \ 1162 .init_policer_id = _policer_id, \ 1163 } 1164 1165 #define DEVLINK_TRAP_POLICER(_id, _rate, _burst, _max_rate, _min_rate, \ 1166 _max_burst, _min_burst) \ 1167 { \ 1168 .id = _id, \ 1169 .init_rate = _rate, \ 1170 .init_burst = _burst, \ 1171 .max_rate = _max_rate, \ 1172 .min_rate = _min_rate, \ 1173 .max_burst = _max_burst, \ 1174 .min_burst = _min_burst, \ 1175 } 1176 1177 enum { 1178 /* device supports reload operations */ 1179 DEVLINK_F_RELOAD = 1UL << 0, 1180 }; 1181 1182 struct devlink_ops { 1183 /** 1184 * @supported_flash_update_params: 1185 * mask of parameters supported by the driver's .flash_update 1186 * implemementation. 1187 */ 1188 u32 supported_flash_update_params; 1189 unsigned long reload_actions; 1190 unsigned long reload_limits; 1191 int (*reload_down)(struct devlink *devlink, bool netns_change, 1192 enum devlink_reload_action action, 1193 enum devlink_reload_limit limit, 1194 struct netlink_ext_ack *extack); 1195 int (*reload_up)(struct devlink *devlink, enum devlink_reload_action action, 1196 enum devlink_reload_limit limit, u32 *actions_performed, 1197 struct netlink_ext_ack *extack); 1198 int (*port_type_set)(struct devlink_port *devlink_port, 1199 enum devlink_port_type port_type); 1200 int (*port_split)(struct devlink *devlink, struct devlink_port *port, 1201 unsigned int count, struct netlink_ext_ack *extack); 1202 int (*port_unsplit)(struct devlink *devlink, struct devlink_port *port, 1203 struct netlink_ext_ack *extack); 1204 int (*sb_pool_get)(struct devlink *devlink, unsigned int sb_index, 1205 u16 pool_index, 1206 struct devlink_sb_pool_info *pool_info); 1207 int (*sb_pool_set)(struct devlink *devlink, unsigned int sb_index, 1208 u16 pool_index, u32 size, 1209 enum devlink_sb_threshold_type threshold_type, 1210 struct netlink_ext_ack *extack); 1211 int (*sb_port_pool_get)(struct devlink_port *devlink_port, 1212 unsigned int sb_index, u16 pool_index, 1213 u32 *p_threshold); 1214 int (*sb_port_pool_set)(struct devlink_port *devlink_port, 1215 unsigned int sb_index, u16 pool_index, 1216 u32 threshold, struct netlink_ext_ack *extack); 1217 int (*sb_tc_pool_bind_get)(struct devlink_port *devlink_port, 1218 unsigned int sb_index, 1219 u16 tc_index, 1220 enum devlink_sb_pool_type pool_type, 1221 u16 *p_pool_index, u32 *p_threshold); 1222 int (*sb_tc_pool_bind_set)(struct devlink_port *devlink_port, 1223 unsigned int sb_index, 1224 u16 tc_index, 1225 enum devlink_sb_pool_type pool_type, 1226 u16 pool_index, u32 threshold, 1227 struct netlink_ext_ack *extack); 1228 int (*sb_occ_snapshot)(struct devlink *devlink, 1229 unsigned int sb_index); 1230 int (*sb_occ_max_clear)(struct devlink *devlink, 1231 unsigned int sb_index); 1232 int (*sb_occ_port_pool_get)(struct devlink_port *devlink_port, 1233 unsigned int sb_index, u16 pool_index, 1234 u32 *p_cur, u32 *p_max); 1235 int (*sb_occ_tc_port_bind_get)(struct devlink_port *devlink_port, 1236 unsigned int sb_index, 1237 u16 tc_index, 1238 enum devlink_sb_pool_type pool_type, 1239 u32 *p_cur, u32 *p_max); 1240 1241 int (*eswitch_mode_get)(struct devlink *devlink, u16 *p_mode); 1242 int (*eswitch_mode_set)(struct devlink *devlink, u16 mode, 1243 struct netlink_ext_ack *extack); 1244 int (*eswitch_inline_mode_get)(struct devlink *devlink, u8 *p_inline_mode); 1245 int (*eswitch_inline_mode_set)(struct devlink *devlink, u8 inline_mode, 1246 struct netlink_ext_ack *extack); 1247 int (*eswitch_encap_mode_get)(struct devlink *devlink, 1248 enum devlink_eswitch_encap_mode *p_encap_mode); 1249 int (*eswitch_encap_mode_set)(struct devlink *devlink, 1250 enum devlink_eswitch_encap_mode encap_mode, 1251 struct netlink_ext_ack *extack); 1252 int (*info_get)(struct devlink *devlink, struct devlink_info_req *req, 1253 struct netlink_ext_ack *extack); 1254 /** 1255 * @flash_update: Device flash update function 1256 * 1257 * Used to perform a flash update for the device. The set of 1258 * parameters supported by the driver should be set in 1259 * supported_flash_update_params. 1260 */ 1261 int (*flash_update)(struct devlink *devlink, 1262 struct devlink_flash_update_params *params, 1263 struct netlink_ext_ack *extack); 1264 /** 1265 * @trap_init: Trap initialization function. 1266 * 1267 * Should be used by device drivers to initialize the trap in the 1268 * underlying device. Drivers should also store the provided trap 1269 * context, so that they could efficiently pass it to 1270 * devlink_trap_report() when the trap is triggered. 1271 */ 1272 int (*trap_init)(struct devlink *devlink, 1273 const struct devlink_trap *trap, void *trap_ctx); 1274 /** 1275 * @trap_fini: Trap de-initialization function. 1276 * 1277 * Should be used by device drivers to de-initialize the trap in the 1278 * underlying device. 1279 */ 1280 void (*trap_fini)(struct devlink *devlink, 1281 const struct devlink_trap *trap, void *trap_ctx); 1282 /** 1283 * @trap_action_set: Trap action set function. 1284 */ 1285 int (*trap_action_set)(struct devlink *devlink, 1286 const struct devlink_trap *trap, 1287 enum devlink_trap_action action, 1288 struct netlink_ext_ack *extack); 1289 /** 1290 * @trap_group_init: Trap group initialization function. 1291 * 1292 * Should be used by device drivers to initialize the trap group in the 1293 * underlying device. 1294 */ 1295 int (*trap_group_init)(struct devlink *devlink, 1296 const struct devlink_trap_group *group); 1297 /** 1298 * @trap_group_set: Trap group parameters set function. 1299 * 1300 * Note: @policer can be NULL when a policer is being unbound from 1301 * @group. 1302 */ 1303 int (*trap_group_set)(struct devlink *devlink, 1304 const struct devlink_trap_group *group, 1305 const struct devlink_trap_policer *policer, 1306 struct netlink_ext_ack *extack); 1307 /** 1308 * @trap_group_action_set: Trap group action set function. 1309 * 1310 * If this callback is populated, it will take precedence over looping 1311 * over all traps in a group and calling .trap_action_set(). 1312 */ 1313 int (*trap_group_action_set)(struct devlink *devlink, 1314 const struct devlink_trap_group *group, 1315 enum devlink_trap_action action, 1316 struct netlink_ext_ack *extack); 1317 /** 1318 * @trap_drop_counter_get: Trap drop counter get function. 1319 * 1320 * Should be used by device drivers to report number of packets 1321 * that have been dropped, and cannot be passed to the devlink 1322 * subsystem by the underlying device. 1323 */ 1324 int (*trap_drop_counter_get)(struct devlink *devlink, 1325 const struct devlink_trap *trap, 1326 u64 *p_drops); 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_port *port, u8 *hw_addr, 1369 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_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_port *port, 1435 enum devlink_port_fn_state *state, 1436 enum devlink_port_fn_opstate *opstate, 1437 struct netlink_ext_ack *extack); 1438 /** 1439 * port_fn_state_set() - Set the admin state of a port function 1440 * @devlink: Devlink instance 1441 * @port: The devlink port 1442 * @state: Admin state 1443 * @extack: extack for reporting error messages 1444 * 1445 * Set the admin state of a devlink port function 1446 * 1447 * Return: 0 on success, negative value otherwise. 1448 */ 1449 int (*port_fn_state_set)(struct devlink_port *port, 1450 enum devlink_port_fn_state state, 1451 struct netlink_ext_ack *extack); 1452 1453 /** 1454 * Rate control callbacks. 1455 */ 1456 int (*rate_leaf_tx_share_set)(struct devlink_rate *devlink_rate, void *priv, 1457 u64 tx_share, struct netlink_ext_ack *extack); 1458 int (*rate_leaf_tx_max_set)(struct devlink_rate *devlink_rate, void *priv, 1459 u64 tx_max, struct netlink_ext_ack *extack); 1460 int (*rate_node_tx_share_set)(struct devlink_rate *devlink_rate, void *priv, 1461 u64 tx_share, struct netlink_ext_ack *extack); 1462 int (*rate_node_tx_max_set)(struct devlink_rate *devlink_rate, void *priv, 1463 u64 tx_max, struct netlink_ext_ack *extack); 1464 int (*rate_node_new)(struct devlink_rate *rate_node, void **priv, 1465 struct netlink_ext_ack *extack); 1466 int (*rate_node_del)(struct devlink_rate *rate_node, void *priv, 1467 struct netlink_ext_ack *extack); 1468 int (*rate_leaf_parent_set)(struct devlink_rate *child, 1469 struct devlink_rate *parent, 1470 void *priv_child, void *priv_parent, 1471 struct netlink_ext_ack *extack); 1472 int (*rate_node_parent_set)(struct devlink_rate *child, 1473 struct devlink_rate *parent, 1474 void *priv_child, void *priv_parent, 1475 struct netlink_ext_ack *extack); 1476 }; 1477 1478 void *devlink_priv(struct devlink *devlink); 1479 struct devlink *priv_to_devlink(void *priv); 1480 struct device *devlink_to_dev(const struct devlink *devlink); 1481 1482 /* Devlink instance explicit locking */ 1483 void devl_lock(struct devlink *devlink); 1484 void devl_unlock(struct devlink *devlink); 1485 void devl_assert_locked(struct devlink *devlink); 1486 bool devl_lock_is_held(struct devlink *devlink); 1487 1488 int devl_port_register(struct devlink *devlink, 1489 struct devlink_port *devlink_port, 1490 unsigned int port_index); 1491 void devl_port_unregister(struct devlink_port *devlink_port); 1492 1493 int devl_rate_leaf_create(struct devlink_port *port, void *priv); 1494 void devl_rate_leaf_destroy(struct devlink_port *devlink_port); 1495 void devl_rate_nodes_destroy(struct devlink *devlink); 1496 1497 struct ib_device; 1498 1499 struct net *devlink_net(const struct devlink *devlink); 1500 /* This call is intended for software devices that can create 1501 * devlink instances in other namespaces than init_net. 1502 * 1503 * Drivers that operate on real HW must use devlink_alloc() instead. 1504 */ 1505 struct devlink *devlink_alloc_ns(const struct devlink_ops *ops, 1506 size_t priv_size, struct net *net, 1507 struct device *dev); 1508 static inline struct devlink *devlink_alloc(const struct devlink_ops *ops, 1509 size_t priv_size, 1510 struct device *dev) 1511 { 1512 return devlink_alloc_ns(ops, priv_size, &init_net, dev); 1513 } 1514 void devlink_set_features(struct devlink *devlink, u64 features); 1515 void devlink_register(struct devlink *devlink); 1516 void devlink_unregister(struct devlink *devlink); 1517 void devlink_free(struct devlink *devlink); 1518 int devlink_port_register(struct devlink *devlink, 1519 struct devlink_port *devlink_port, 1520 unsigned int port_index); 1521 void devlink_port_unregister(struct devlink_port *devlink_port); 1522 void devlink_port_type_eth_set(struct devlink_port *devlink_port, 1523 struct net_device *netdev); 1524 void devlink_port_type_ib_set(struct devlink_port *devlink_port, 1525 struct ib_device *ibdev); 1526 void devlink_port_type_clear(struct devlink_port *devlink_port); 1527 void devlink_port_attrs_set(struct devlink_port *devlink_port, 1528 struct devlink_port_attrs *devlink_port_attrs); 1529 void devlink_port_attrs_pci_pf_set(struct devlink_port *devlink_port, u32 controller, 1530 u16 pf, bool external); 1531 void devlink_port_attrs_pci_vf_set(struct devlink_port *devlink_port, u32 controller, 1532 u16 pf, u16 vf, bool external); 1533 void devlink_port_attrs_pci_sf_set(struct devlink_port *devlink_port, 1534 u32 controller, u16 pf, u32 sf, 1535 bool external); 1536 int devlink_rate_leaf_create(struct devlink_port *port, void *priv); 1537 void devlink_rate_leaf_destroy(struct devlink_port *devlink_port); 1538 void devlink_rate_nodes_destroy(struct devlink *devlink); 1539 int devlink_sb_register(struct devlink *devlink, unsigned int sb_index, 1540 u32 size, u16 ingress_pools_count, 1541 u16 egress_pools_count, u16 ingress_tc_count, 1542 u16 egress_tc_count); 1543 void devlink_sb_unregister(struct devlink *devlink, unsigned int sb_index); 1544 int devlink_dpipe_table_register(struct devlink *devlink, 1545 const char *table_name, 1546 struct devlink_dpipe_table_ops *table_ops, 1547 void *priv, bool counter_control_extern); 1548 void devlink_dpipe_table_unregister(struct devlink *devlink, 1549 const char *table_name); 1550 int devlink_dpipe_headers_register(struct devlink *devlink, 1551 struct devlink_dpipe_headers *dpipe_headers); 1552 void devlink_dpipe_headers_unregister(struct devlink *devlink); 1553 bool devlink_dpipe_table_counter_enabled(struct devlink *devlink, 1554 const char *table_name); 1555 int devlink_dpipe_entry_ctx_prepare(struct devlink_dpipe_dump_ctx *dump_ctx); 1556 int devlink_dpipe_entry_ctx_append(struct devlink_dpipe_dump_ctx *dump_ctx, 1557 struct devlink_dpipe_entry *entry); 1558 int devlink_dpipe_entry_ctx_close(struct devlink_dpipe_dump_ctx *dump_ctx); 1559 void devlink_dpipe_entry_clear(struct devlink_dpipe_entry *entry); 1560 int devlink_dpipe_action_put(struct sk_buff *skb, 1561 struct devlink_dpipe_action *action); 1562 int devlink_dpipe_match_put(struct sk_buff *skb, 1563 struct devlink_dpipe_match *match); 1564 extern struct devlink_dpipe_header devlink_dpipe_header_ethernet; 1565 extern struct devlink_dpipe_header devlink_dpipe_header_ipv4; 1566 extern struct devlink_dpipe_header devlink_dpipe_header_ipv6; 1567 1568 int devlink_resource_register(struct devlink *devlink, 1569 const char *resource_name, 1570 u64 resource_size, 1571 u64 resource_id, 1572 u64 parent_resource_id, 1573 const struct devlink_resource_size_params *size_params); 1574 void devlink_resources_unregister(struct devlink *devlink); 1575 int devlink_resource_size_get(struct devlink *devlink, 1576 u64 resource_id, 1577 u64 *p_resource_size); 1578 int devlink_dpipe_table_resource_set(struct devlink *devlink, 1579 const char *table_name, u64 resource_id, 1580 u64 resource_units); 1581 void devlink_resource_occ_get_register(struct devlink *devlink, 1582 u64 resource_id, 1583 devlink_resource_occ_get_t *occ_get, 1584 void *occ_get_priv); 1585 void devlink_resource_occ_get_unregister(struct devlink *devlink, 1586 u64 resource_id); 1587 int devlink_params_register(struct devlink *devlink, 1588 const struct devlink_param *params, 1589 size_t params_count); 1590 void devlink_params_unregister(struct devlink *devlink, 1591 const struct devlink_param *params, 1592 size_t params_count); 1593 int devlink_param_register(struct devlink *devlink, 1594 const struct devlink_param *param); 1595 void devlink_param_unregister(struct devlink *devlink, 1596 const struct devlink_param *param); 1597 int devlink_param_driverinit_value_get(struct devlink *devlink, u32 param_id, 1598 union devlink_param_value *init_val); 1599 int devlink_param_driverinit_value_set(struct devlink *devlink, u32 param_id, 1600 union devlink_param_value init_val); 1601 void devlink_param_value_changed(struct devlink *devlink, u32 param_id); 1602 struct devlink_region * 1603 devlink_region_create(struct devlink *devlink, 1604 const struct devlink_region_ops *ops, 1605 u32 region_max_snapshots, u64 region_size); 1606 struct devlink_region * 1607 devlink_port_region_create(struct devlink_port *port, 1608 const struct devlink_port_region_ops *ops, 1609 u32 region_max_snapshots, u64 region_size); 1610 void devlink_region_destroy(struct devlink_region *region); 1611 void devlink_port_region_destroy(struct devlink_region *region); 1612 1613 int devlink_region_snapshot_id_get(struct devlink *devlink, u32 *id); 1614 void devlink_region_snapshot_id_put(struct devlink *devlink, u32 id); 1615 int devlink_region_snapshot_create(struct devlink_region *region, 1616 u8 *data, u32 snapshot_id); 1617 int devlink_info_serial_number_put(struct devlink_info_req *req, 1618 const char *sn); 1619 int devlink_info_driver_name_put(struct devlink_info_req *req, 1620 const char *name); 1621 int devlink_info_board_serial_number_put(struct devlink_info_req *req, 1622 const char *bsn); 1623 int devlink_info_version_fixed_put(struct devlink_info_req *req, 1624 const char *version_name, 1625 const char *version_value); 1626 int devlink_info_version_stored_put(struct devlink_info_req *req, 1627 const char *version_name, 1628 const char *version_value); 1629 int devlink_info_version_running_put(struct devlink_info_req *req, 1630 const char *version_name, 1631 const char *version_value); 1632 1633 int devlink_fmsg_obj_nest_start(struct devlink_fmsg *fmsg); 1634 int devlink_fmsg_obj_nest_end(struct devlink_fmsg *fmsg); 1635 1636 int devlink_fmsg_pair_nest_start(struct devlink_fmsg *fmsg, const char *name); 1637 int devlink_fmsg_pair_nest_end(struct devlink_fmsg *fmsg); 1638 1639 int devlink_fmsg_arr_pair_nest_start(struct devlink_fmsg *fmsg, 1640 const char *name); 1641 int devlink_fmsg_arr_pair_nest_end(struct devlink_fmsg *fmsg); 1642 int devlink_fmsg_binary_pair_nest_start(struct devlink_fmsg *fmsg, 1643 const char *name); 1644 int devlink_fmsg_binary_pair_nest_end(struct devlink_fmsg *fmsg); 1645 1646 int devlink_fmsg_u32_put(struct devlink_fmsg *fmsg, u32 value); 1647 int devlink_fmsg_string_put(struct devlink_fmsg *fmsg, const char *value); 1648 int devlink_fmsg_binary_put(struct devlink_fmsg *fmsg, const void *value, 1649 u16 value_len); 1650 1651 int devlink_fmsg_bool_pair_put(struct devlink_fmsg *fmsg, const char *name, 1652 bool value); 1653 int devlink_fmsg_u8_pair_put(struct devlink_fmsg *fmsg, const char *name, 1654 u8 value); 1655 int devlink_fmsg_u32_pair_put(struct devlink_fmsg *fmsg, const char *name, 1656 u32 value); 1657 int devlink_fmsg_u64_pair_put(struct devlink_fmsg *fmsg, const char *name, 1658 u64 value); 1659 int devlink_fmsg_string_pair_put(struct devlink_fmsg *fmsg, const char *name, 1660 const char *value); 1661 int devlink_fmsg_binary_pair_put(struct devlink_fmsg *fmsg, const char *name, 1662 const void *value, u32 value_len); 1663 1664 struct devlink_health_reporter * 1665 devlink_health_reporter_create(struct devlink *devlink, 1666 const struct devlink_health_reporter_ops *ops, 1667 u64 graceful_period, void *priv); 1668 1669 struct devlink_health_reporter * 1670 devlink_port_health_reporter_create(struct devlink_port *port, 1671 const struct devlink_health_reporter_ops *ops, 1672 u64 graceful_period, void *priv); 1673 1674 void 1675 devlink_health_reporter_destroy(struct devlink_health_reporter *reporter); 1676 1677 void 1678 devlink_port_health_reporter_destroy(struct devlink_health_reporter *reporter); 1679 1680 void * 1681 devlink_health_reporter_priv(struct devlink_health_reporter *reporter); 1682 int devlink_health_report(struct devlink_health_reporter *reporter, 1683 const char *msg, void *priv_ctx); 1684 void 1685 devlink_health_reporter_state_update(struct devlink_health_reporter *reporter, 1686 enum devlink_health_reporter_state state); 1687 void 1688 devlink_health_reporter_recovery_done(struct devlink_health_reporter *reporter); 1689 1690 bool devlink_is_reload_failed(const struct devlink *devlink); 1691 void devlink_remote_reload_actions_performed(struct devlink *devlink, 1692 enum devlink_reload_limit limit, 1693 u32 actions_performed); 1694 1695 void devlink_flash_update_status_notify(struct devlink *devlink, 1696 const char *status_msg, 1697 const char *component, 1698 unsigned long done, 1699 unsigned long total); 1700 void devlink_flash_update_timeout_notify(struct devlink *devlink, 1701 const char *status_msg, 1702 const char *component, 1703 unsigned long timeout); 1704 1705 int devlink_traps_register(struct devlink *devlink, 1706 const struct devlink_trap *traps, 1707 size_t traps_count, void *priv); 1708 void devlink_traps_unregister(struct devlink *devlink, 1709 const struct devlink_trap *traps, 1710 size_t traps_count); 1711 void devlink_trap_report(struct devlink *devlink, struct sk_buff *skb, 1712 void *trap_ctx, struct devlink_port *in_devlink_port, 1713 const struct flow_action_cookie *fa_cookie); 1714 void *devlink_trap_ctx_priv(void *trap_ctx); 1715 int devlink_trap_groups_register(struct devlink *devlink, 1716 const struct devlink_trap_group *groups, 1717 size_t groups_count); 1718 void devlink_trap_groups_unregister(struct devlink *devlink, 1719 const struct devlink_trap_group *groups, 1720 size_t groups_count); 1721 int 1722 devlink_trap_policers_register(struct devlink *devlink, 1723 const struct devlink_trap_policer *policers, 1724 size_t policers_count); 1725 void 1726 devlink_trap_policers_unregister(struct devlink *devlink, 1727 const struct devlink_trap_policer *policers, 1728 size_t policers_count); 1729 1730 #if IS_ENABLED(CONFIG_NET_DEVLINK) 1731 1732 struct devlink *__must_check devlink_try_get(struct devlink *devlink); 1733 void devlink_put(struct devlink *devlink); 1734 1735 void devlink_compat_running_version(struct devlink *devlink, 1736 char *buf, size_t len); 1737 int devlink_compat_flash_update(struct devlink *devlink, const char *file_name); 1738 int devlink_compat_phys_port_name_get(struct net_device *dev, 1739 char *name, size_t len); 1740 int devlink_compat_switch_id_get(struct net_device *dev, 1741 struct netdev_phys_item_id *ppid); 1742 1743 #else 1744 1745 static inline struct devlink *devlink_try_get(struct devlink *devlink) 1746 { 1747 return NULL; 1748 } 1749 1750 static inline void devlink_put(struct devlink *devlink) 1751 { 1752 } 1753 1754 static inline void 1755 devlink_compat_running_version(struct devlink *devlink, char *buf, size_t len) 1756 { 1757 } 1758 1759 static inline int 1760 devlink_compat_flash_update(struct devlink *devlink, const char *file_name) 1761 { 1762 return -EOPNOTSUPP; 1763 } 1764 1765 static inline int 1766 devlink_compat_phys_port_name_get(struct net_device *dev, 1767 char *name, size_t len) 1768 { 1769 return -EOPNOTSUPP; 1770 } 1771 1772 static inline int 1773 devlink_compat_switch_id_get(struct net_device *dev, 1774 struct netdev_phys_item_id *ppid) 1775 { 1776 return -EOPNOTSUPP; 1777 } 1778 1779 #endif 1780 1781 #endif /* _NET_DEVLINK_H_ */ 1782