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 DEVLINK_PARAM_GENERIC_ID_ENABLE_IWARP, 489 490 /* add new param generic ids above here*/ 491 __DEVLINK_PARAM_GENERIC_ID_MAX, 492 DEVLINK_PARAM_GENERIC_ID_MAX = __DEVLINK_PARAM_GENERIC_ID_MAX - 1, 493 }; 494 495 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_NAME "internal_error_reset" 496 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL 497 498 #define DEVLINK_PARAM_GENERIC_MAX_MACS_NAME "max_macs" 499 #define DEVLINK_PARAM_GENERIC_MAX_MACS_TYPE DEVLINK_PARAM_TYPE_U32 500 501 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_NAME "enable_sriov" 502 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_TYPE DEVLINK_PARAM_TYPE_BOOL 503 504 #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_NAME "region_snapshot_enable" 505 #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_TYPE DEVLINK_PARAM_TYPE_BOOL 506 507 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_NAME "ignore_ari" 508 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_TYPE DEVLINK_PARAM_TYPE_BOOL 509 510 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_NAME "msix_vec_per_pf_max" 511 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_TYPE DEVLINK_PARAM_TYPE_U32 512 513 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_NAME "msix_vec_per_pf_min" 514 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_TYPE DEVLINK_PARAM_TYPE_U32 515 516 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_NAME "fw_load_policy" 517 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_TYPE DEVLINK_PARAM_TYPE_U8 518 519 #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_NAME \ 520 "reset_dev_on_drv_probe" 521 #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_TYPE DEVLINK_PARAM_TYPE_U8 522 523 #define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_NAME "enable_roce" 524 #define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_TYPE DEVLINK_PARAM_TYPE_BOOL 525 526 #define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_NAME "enable_remote_dev_reset" 527 #define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL 528 529 #define DEVLINK_PARAM_GENERIC_ENABLE_ETH_NAME "enable_eth" 530 #define DEVLINK_PARAM_GENERIC_ENABLE_ETH_TYPE DEVLINK_PARAM_TYPE_BOOL 531 532 #define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_NAME "enable_rdma" 533 #define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_TYPE DEVLINK_PARAM_TYPE_BOOL 534 535 #define DEVLINK_PARAM_GENERIC_ENABLE_VNET_NAME "enable_vnet" 536 #define DEVLINK_PARAM_GENERIC_ENABLE_VNET_TYPE DEVLINK_PARAM_TYPE_BOOL 537 538 #define DEVLINK_PARAM_GENERIC_ENABLE_IWARP_NAME "enable_iwarp" 539 #define DEVLINK_PARAM_GENERIC_ENABLE_IWARP_TYPE DEVLINK_PARAM_TYPE_BOOL 540 541 #define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate) \ 542 { \ 543 .id = DEVLINK_PARAM_GENERIC_ID_##_id, \ 544 .name = DEVLINK_PARAM_GENERIC_##_id##_NAME, \ 545 .type = DEVLINK_PARAM_GENERIC_##_id##_TYPE, \ 546 .generic = true, \ 547 .supported_cmodes = _cmodes, \ 548 .get = _get, \ 549 .set = _set, \ 550 .validate = _validate, \ 551 } 552 553 #define DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, _get, _set, _validate) \ 554 { \ 555 .id = _id, \ 556 .name = _name, \ 557 .type = _type, \ 558 .supported_cmodes = _cmodes, \ 559 .get = _get, \ 560 .set = _set, \ 561 .validate = _validate, \ 562 } 563 564 /* Part number, identifier of board design */ 565 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_ID "board.id" 566 /* Revision of board design */ 567 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_REV "board.rev" 568 /* Maker of the board */ 569 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_MANUFACTURE "board.manufacture" 570 571 /* Part number, identifier of asic design */ 572 #define DEVLINK_INFO_VERSION_GENERIC_ASIC_ID "asic.id" 573 /* Revision of asic design */ 574 #define DEVLINK_INFO_VERSION_GENERIC_ASIC_REV "asic.rev" 575 576 /* Overall FW version */ 577 #define DEVLINK_INFO_VERSION_GENERIC_FW "fw" 578 /* Control processor FW version */ 579 #define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT "fw.mgmt" 580 /* FW interface specification version */ 581 #define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT_API "fw.mgmt.api" 582 /* Data path microcode controlling high-speed packet processing */ 583 #define DEVLINK_INFO_VERSION_GENERIC_FW_APP "fw.app" 584 /* UNDI software version */ 585 #define DEVLINK_INFO_VERSION_GENERIC_FW_UNDI "fw.undi" 586 /* NCSI support/handler version */ 587 #define DEVLINK_INFO_VERSION_GENERIC_FW_NCSI "fw.ncsi" 588 /* FW parameter set id */ 589 #define DEVLINK_INFO_VERSION_GENERIC_FW_PSID "fw.psid" 590 /* RoCE FW version */ 591 #define DEVLINK_INFO_VERSION_GENERIC_FW_ROCE "fw.roce" 592 /* Firmware bundle identifier */ 593 #define DEVLINK_INFO_VERSION_GENERIC_FW_BUNDLE_ID "fw.bundle_id" 594 595 /** 596 * struct devlink_flash_update_params - Flash Update parameters 597 * @fw: pointer to the firmware data to update from 598 * @component: the flash component to update 599 * 600 * With the exception of fw, drivers must opt-in to parameters by 601 * setting the appropriate bit in the supported_flash_update_params field in 602 * their devlink_ops structure. 603 */ 604 struct devlink_flash_update_params { 605 const struct firmware *fw; 606 const char *component; 607 u32 overwrite_mask; 608 }; 609 610 #define DEVLINK_SUPPORT_FLASH_UPDATE_COMPONENT BIT(0) 611 #define DEVLINK_SUPPORT_FLASH_UPDATE_OVERWRITE_MASK BIT(1) 612 613 struct devlink_region; 614 struct devlink_info_req; 615 616 /** 617 * struct devlink_region_ops - Region operations 618 * @name: region name 619 * @destructor: callback used to free snapshot memory when deleting 620 * @snapshot: callback to request an immediate snapshot. On success, 621 * the data variable must be updated to point to the snapshot data. 622 * The function will be called while the devlink instance lock is 623 * held. 624 * @priv: Pointer to driver private data for the region operation 625 */ 626 struct devlink_region_ops { 627 const char *name; 628 void (*destructor)(const void *data); 629 int (*snapshot)(struct devlink *devlink, 630 const struct devlink_region_ops *ops, 631 struct netlink_ext_ack *extack, 632 u8 **data); 633 void *priv; 634 }; 635 636 /** 637 * struct devlink_port_region_ops - Region operations for a port 638 * @name: region name 639 * @destructor: callback used to free snapshot memory when deleting 640 * @snapshot: callback to request an immediate snapshot. On success, 641 * the data variable must be updated to point to the snapshot data. 642 * The function will be called while the devlink instance lock is 643 * held. 644 * @priv: Pointer to driver private data for the region operation 645 */ 646 struct devlink_port_region_ops { 647 const char *name; 648 void (*destructor)(const void *data); 649 int (*snapshot)(struct devlink_port *port, 650 const struct devlink_port_region_ops *ops, 651 struct netlink_ext_ack *extack, 652 u8 **data); 653 void *priv; 654 }; 655 656 struct devlink_fmsg; 657 struct devlink_health_reporter; 658 659 enum devlink_health_reporter_state { 660 DEVLINK_HEALTH_REPORTER_STATE_HEALTHY, 661 DEVLINK_HEALTH_REPORTER_STATE_ERROR, 662 }; 663 664 /** 665 * struct devlink_health_reporter_ops - Reporter operations 666 * @name: reporter name 667 * @recover: callback to recover from reported error 668 * if priv_ctx is NULL, run a full recover 669 * @dump: callback to dump an object 670 * if priv_ctx is NULL, run a full dump 671 * @diagnose: callback to diagnose the current status 672 * @test: callback to trigger a test event 673 */ 674 675 struct devlink_health_reporter_ops { 676 char *name; 677 int (*recover)(struct devlink_health_reporter *reporter, 678 void *priv_ctx, struct netlink_ext_ack *extack); 679 int (*dump)(struct devlink_health_reporter *reporter, 680 struct devlink_fmsg *fmsg, void *priv_ctx, 681 struct netlink_ext_ack *extack); 682 int (*diagnose)(struct devlink_health_reporter *reporter, 683 struct devlink_fmsg *fmsg, 684 struct netlink_ext_ack *extack); 685 int (*test)(struct devlink_health_reporter *reporter, 686 struct netlink_ext_ack *extack); 687 }; 688 689 /** 690 * struct devlink_trap_metadata - Packet trap metadata. 691 * @trap_name: Trap name. 692 * @trap_group_name: Trap group name. 693 * @input_dev: Input netdevice. 694 * @fa_cookie: Flow action user cookie. 695 * @trap_type: Trap type. 696 */ 697 struct devlink_trap_metadata { 698 const char *trap_name; 699 const char *trap_group_name; 700 struct net_device *input_dev; 701 const struct flow_action_cookie *fa_cookie; 702 enum devlink_trap_type trap_type; 703 }; 704 705 /** 706 * struct devlink_trap_policer - Immutable packet trap policer attributes. 707 * @id: Policer identifier. 708 * @init_rate: Initial rate in packets / sec. 709 * @init_burst: Initial burst size in packets. 710 * @max_rate: Maximum rate. 711 * @min_rate: Minimum rate. 712 * @max_burst: Maximum burst size. 713 * @min_burst: Minimum burst size. 714 * 715 * Describes immutable attributes of packet trap policers that drivers register 716 * with devlink. 717 */ 718 struct devlink_trap_policer { 719 u32 id; 720 u64 init_rate; 721 u64 init_burst; 722 u64 max_rate; 723 u64 min_rate; 724 u64 max_burst; 725 u64 min_burst; 726 }; 727 728 /** 729 * struct devlink_trap_group - Immutable packet trap group attributes. 730 * @name: Trap group name. 731 * @id: Trap group identifier. 732 * @generic: Whether the trap group is generic or not. 733 * @init_policer_id: Initial policer identifier. 734 * 735 * Describes immutable attributes of packet trap groups that drivers register 736 * with devlink. 737 */ 738 struct devlink_trap_group { 739 const char *name; 740 u16 id; 741 bool generic; 742 u32 init_policer_id; 743 }; 744 745 #define DEVLINK_TRAP_METADATA_TYPE_F_IN_PORT BIT(0) 746 #define DEVLINK_TRAP_METADATA_TYPE_F_FA_COOKIE BIT(1) 747 748 /** 749 * struct devlink_trap - Immutable packet trap attributes. 750 * @type: Trap type. 751 * @init_action: Initial trap action. 752 * @generic: Whether the trap is generic or not. 753 * @id: Trap identifier. 754 * @name: Trap name. 755 * @init_group_id: Initial group identifier. 756 * @metadata_cap: Metadata types that can be provided by the trap. 757 * 758 * Describes immutable attributes of packet traps that drivers register with 759 * devlink. 760 */ 761 struct devlink_trap { 762 enum devlink_trap_type type; 763 enum devlink_trap_action init_action; 764 bool generic; 765 u16 id; 766 const char *name; 767 u16 init_group_id; 768 u32 metadata_cap; 769 }; 770 771 /* All traps must be documented in 772 * Documentation/networking/devlink/devlink-trap.rst 773 */ 774 enum devlink_trap_generic_id { 775 DEVLINK_TRAP_GENERIC_ID_SMAC_MC, 776 DEVLINK_TRAP_GENERIC_ID_VLAN_TAG_MISMATCH, 777 DEVLINK_TRAP_GENERIC_ID_INGRESS_VLAN_FILTER, 778 DEVLINK_TRAP_GENERIC_ID_INGRESS_STP_FILTER, 779 DEVLINK_TRAP_GENERIC_ID_EMPTY_TX_LIST, 780 DEVLINK_TRAP_GENERIC_ID_PORT_LOOPBACK_FILTER, 781 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_ROUTE, 782 DEVLINK_TRAP_GENERIC_ID_TTL_ERROR, 783 DEVLINK_TRAP_GENERIC_ID_TAIL_DROP, 784 DEVLINK_TRAP_GENERIC_ID_NON_IP_PACKET, 785 DEVLINK_TRAP_GENERIC_ID_UC_DIP_MC_DMAC, 786 DEVLINK_TRAP_GENERIC_ID_DIP_LB, 787 DEVLINK_TRAP_GENERIC_ID_SIP_MC, 788 DEVLINK_TRAP_GENERIC_ID_SIP_LB, 789 DEVLINK_TRAP_GENERIC_ID_CORRUPTED_IP_HDR, 790 DEVLINK_TRAP_GENERIC_ID_IPV4_SIP_BC, 791 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_RESERVED_SCOPE, 792 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE, 793 DEVLINK_TRAP_GENERIC_ID_MTU_ERROR, 794 DEVLINK_TRAP_GENERIC_ID_UNRESOLVED_NEIGH, 795 DEVLINK_TRAP_GENERIC_ID_RPF, 796 DEVLINK_TRAP_GENERIC_ID_REJECT_ROUTE, 797 DEVLINK_TRAP_GENERIC_ID_IPV4_LPM_UNICAST_MISS, 798 DEVLINK_TRAP_GENERIC_ID_IPV6_LPM_UNICAST_MISS, 799 DEVLINK_TRAP_GENERIC_ID_NON_ROUTABLE, 800 DEVLINK_TRAP_GENERIC_ID_DECAP_ERROR, 801 DEVLINK_TRAP_GENERIC_ID_OVERLAY_SMAC_MC, 802 DEVLINK_TRAP_GENERIC_ID_INGRESS_FLOW_ACTION_DROP, 803 DEVLINK_TRAP_GENERIC_ID_EGRESS_FLOW_ACTION_DROP, 804 DEVLINK_TRAP_GENERIC_ID_STP, 805 DEVLINK_TRAP_GENERIC_ID_LACP, 806 DEVLINK_TRAP_GENERIC_ID_LLDP, 807 DEVLINK_TRAP_GENERIC_ID_IGMP_QUERY, 808 DEVLINK_TRAP_GENERIC_ID_IGMP_V1_REPORT, 809 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_REPORT, 810 DEVLINK_TRAP_GENERIC_ID_IGMP_V3_REPORT, 811 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_LEAVE, 812 DEVLINK_TRAP_GENERIC_ID_MLD_QUERY, 813 DEVLINK_TRAP_GENERIC_ID_MLD_V1_REPORT, 814 DEVLINK_TRAP_GENERIC_ID_MLD_V2_REPORT, 815 DEVLINK_TRAP_GENERIC_ID_MLD_V1_DONE, 816 DEVLINK_TRAP_GENERIC_ID_IPV4_DHCP, 817 DEVLINK_TRAP_GENERIC_ID_IPV6_DHCP, 818 DEVLINK_TRAP_GENERIC_ID_ARP_REQUEST, 819 DEVLINK_TRAP_GENERIC_ID_ARP_RESPONSE, 820 DEVLINK_TRAP_GENERIC_ID_ARP_OVERLAY, 821 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_SOLICIT, 822 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_ADVERT, 823 DEVLINK_TRAP_GENERIC_ID_IPV4_BFD, 824 DEVLINK_TRAP_GENERIC_ID_IPV6_BFD, 825 DEVLINK_TRAP_GENERIC_ID_IPV4_OSPF, 826 DEVLINK_TRAP_GENERIC_ID_IPV6_OSPF, 827 DEVLINK_TRAP_GENERIC_ID_IPV4_BGP, 828 DEVLINK_TRAP_GENERIC_ID_IPV6_BGP, 829 DEVLINK_TRAP_GENERIC_ID_IPV4_VRRP, 830 DEVLINK_TRAP_GENERIC_ID_IPV6_VRRP, 831 DEVLINK_TRAP_GENERIC_ID_IPV4_PIM, 832 DEVLINK_TRAP_GENERIC_ID_IPV6_PIM, 833 DEVLINK_TRAP_GENERIC_ID_UC_LB, 834 DEVLINK_TRAP_GENERIC_ID_LOCAL_ROUTE, 835 DEVLINK_TRAP_GENERIC_ID_EXTERNAL_ROUTE, 836 DEVLINK_TRAP_GENERIC_ID_IPV6_UC_DIP_LINK_LOCAL_SCOPE, 837 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_NODES, 838 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_ROUTERS, 839 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_SOLICIT, 840 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ADVERT, 841 DEVLINK_TRAP_GENERIC_ID_IPV6_REDIRECT, 842 DEVLINK_TRAP_GENERIC_ID_IPV4_ROUTER_ALERT, 843 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ALERT, 844 DEVLINK_TRAP_GENERIC_ID_PTP_EVENT, 845 DEVLINK_TRAP_GENERIC_ID_PTP_GENERAL, 846 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_SAMPLE, 847 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_TRAP, 848 DEVLINK_TRAP_GENERIC_ID_EARLY_DROP, 849 DEVLINK_TRAP_GENERIC_ID_VXLAN_PARSING, 850 DEVLINK_TRAP_GENERIC_ID_LLC_SNAP_PARSING, 851 DEVLINK_TRAP_GENERIC_ID_VLAN_PARSING, 852 DEVLINK_TRAP_GENERIC_ID_PPPOE_PPP_PARSING, 853 DEVLINK_TRAP_GENERIC_ID_MPLS_PARSING, 854 DEVLINK_TRAP_GENERIC_ID_ARP_PARSING, 855 DEVLINK_TRAP_GENERIC_ID_IP_1_PARSING, 856 DEVLINK_TRAP_GENERIC_ID_IP_N_PARSING, 857 DEVLINK_TRAP_GENERIC_ID_GRE_PARSING, 858 DEVLINK_TRAP_GENERIC_ID_UDP_PARSING, 859 DEVLINK_TRAP_GENERIC_ID_TCP_PARSING, 860 DEVLINK_TRAP_GENERIC_ID_IPSEC_PARSING, 861 DEVLINK_TRAP_GENERIC_ID_SCTP_PARSING, 862 DEVLINK_TRAP_GENERIC_ID_DCCP_PARSING, 863 DEVLINK_TRAP_GENERIC_ID_GTP_PARSING, 864 DEVLINK_TRAP_GENERIC_ID_ESP_PARSING, 865 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_NEXTHOP, 866 DEVLINK_TRAP_GENERIC_ID_DMAC_FILTER, 867 868 /* Add new generic trap IDs above */ 869 __DEVLINK_TRAP_GENERIC_ID_MAX, 870 DEVLINK_TRAP_GENERIC_ID_MAX = __DEVLINK_TRAP_GENERIC_ID_MAX - 1, 871 }; 872 873 /* All trap groups must be documented in 874 * Documentation/networking/devlink/devlink-trap.rst 875 */ 876 enum devlink_trap_group_generic_id { 877 DEVLINK_TRAP_GROUP_GENERIC_ID_L2_DROPS, 878 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_DROPS, 879 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_EXCEPTIONS, 880 DEVLINK_TRAP_GROUP_GENERIC_ID_BUFFER_DROPS, 881 DEVLINK_TRAP_GROUP_GENERIC_ID_TUNNEL_DROPS, 882 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_DROPS, 883 DEVLINK_TRAP_GROUP_GENERIC_ID_STP, 884 DEVLINK_TRAP_GROUP_GENERIC_ID_LACP, 885 DEVLINK_TRAP_GROUP_GENERIC_ID_LLDP, 886 DEVLINK_TRAP_GROUP_GENERIC_ID_MC_SNOOPING, 887 DEVLINK_TRAP_GROUP_GENERIC_ID_DHCP, 888 DEVLINK_TRAP_GROUP_GENERIC_ID_NEIGH_DISCOVERY, 889 DEVLINK_TRAP_GROUP_GENERIC_ID_BFD, 890 DEVLINK_TRAP_GROUP_GENERIC_ID_OSPF, 891 DEVLINK_TRAP_GROUP_GENERIC_ID_BGP, 892 DEVLINK_TRAP_GROUP_GENERIC_ID_VRRP, 893 DEVLINK_TRAP_GROUP_GENERIC_ID_PIM, 894 DEVLINK_TRAP_GROUP_GENERIC_ID_UC_LB, 895 DEVLINK_TRAP_GROUP_GENERIC_ID_LOCAL_DELIVERY, 896 DEVLINK_TRAP_GROUP_GENERIC_ID_EXTERNAL_DELIVERY, 897 DEVLINK_TRAP_GROUP_GENERIC_ID_IPV6, 898 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_EVENT, 899 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_GENERAL, 900 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_SAMPLE, 901 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_TRAP, 902 DEVLINK_TRAP_GROUP_GENERIC_ID_PARSER_ERROR_DROPS, 903 904 /* Add new generic trap group IDs above */ 905 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX, 906 DEVLINK_TRAP_GROUP_GENERIC_ID_MAX = 907 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX - 1, 908 }; 909 910 #define DEVLINK_TRAP_GENERIC_NAME_SMAC_MC \ 911 "source_mac_is_multicast" 912 #define DEVLINK_TRAP_GENERIC_NAME_VLAN_TAG_MISMATCH \ 913 "vlan_tag_mismatch" 914 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_VLAN_FILTER \ 915 "ingress_vlan_filter" 916 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_STP_FILTER \ 917 "ingress_spanning_tree_filter" 918 #define DEVLINK_TRAP_GENERIC_NAME_EMPTY_TX_LIST \ 919 "port_list_is_empty" 920 #define DEVLINK_TRAP_GENERIC_NAME_PORT_LOOPBACK_FILTER \ 921 "port_loopback_filter" 922 #define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_ROUTE \ 923 "blackhole_route" 924 #define DEVLINK_TRAP_GENERIC_NAME_TTL_ERROR \ 925 "ttl_value_is_too_small" 926 #define DEVLINK_TRAP_GENERIC_NAME_TAIL_DROP \ 927 "tail_drop" 928 #define DEVLINK_TRAP_GENERIC_NAME_NON_IP_PACKET \ 929 "non_ip" 930 #define DEVLINK_TRAP_GENERIC_NAME_UC_DIP_MC_DMAC \ 931 "uc_dip_over_mc_dmac" 932 #define DEVLINK_TRAP_GENERIC_NAME_DIP_LB \ 933 "dip_is_loopback_address" 934 #define DEVLINK_TRAP_GENERIC_NAME_SIP_MC \ 935 "sip_is_mc" 936 #define DEVLINK_TRAP_GENERIC_NAME_SIP_LB \ 937 "sip_is_loopback_address" 938 #define DEVLINK_TRAP_GENERIC_NAME_CORRUPTED_IP_HDR \ 939 "ip_header_corrupted" 940 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_SIP_BC \ 941 "ipv4_sip_is_limited_bc" 942 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_RESERVED_SCOPE \ 943 "ipv6_mc_dip_reserved_scope" 944 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE \ 945 "ipv6_mc_dip_interface_local_scope" 946 #define DEVLINK_TRAP_GENERIC_NAME_MTU_ERROR \ 947 "mtu_value_is_too_small" 948 #define DEVLINK_TRAP_GENERIC_NAME_UNRESOLVED_NEIGH \ 949 "unresolved_neigh" 950 #define DEVLINK_TRAP_GENERIC_NAME_RPF \ 951 "mc_reverse_path_forwarding" 952 #define DEVLINK_TRAP_GENERIC_NAME_REJECT_ROUTE \ 953 "reject_route" 954 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_LPM_UNICAST_MISS \ 955 "ipv4_lpm_miss" 956 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_LPM_UNICAST_MISS \ 957 "ipv6_lpm_miss" 958 #define DEVLINK_TRAP_GENERIC_NAME_NON_ROUTABLE \ 959 "non_routable_packet" 960 #define DEVLINK_TRAP_GENERIC_NAME_DECAP_ERROR \ 961 "decap_error" 962 #define DEVLINK_TRAP_GENERIC_NAME_OVERLAY_SMAC_MC \ 963 "overlay_smac_is_mc" 964 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_FLOW_ACTION_DROP \ 965 "ingress_flow_action_drop" 966 #define DEVLINK_TRAP_GENERIC_NAME_EGRESS_FLOW_ACTION_DROP \ 967 "egress_flow_action_drop" 968 #define DEVLINK_TRAP_GENERIC_NAME_STP \ 969 "stp" 970 #define DEVLINK_TRAP_GENERIC_NAME_LACP \ 971 "lacp" 972 #define DEVLINK_TRAP_GENERIC_NAME_LLDP \ 973 "lldp" 974 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_QUERY \ 975 "igmp_query" 976 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V1_REPORT \ 977 "igmp_v1_report" 978 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_REPORT \ 979 "igmp_v2_report" 980 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V3_REPORT \ 981 "igmp_v3_report" 982 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_LEAVE \ 983 "igmp_v2_leave" 984 #define DEVLINK_TRAP_GENERIC_NAME_MLD_QUERY \ 985 "mld_query" 986 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_REPORT \ 987 "mld_v1_report" 988 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V2_REPORT \ 989 "mld_v2_report" 990 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_DONE \ 991 "mld_v1_done" 992 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_DHCP \ 993 "ipv4_dhcp" 994 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DHCP \ 995 "ipv6_dhcp" 996 #define DEVLINK_TRAP_GENERIC_NAME_ARP_REQUEST \ 997 "arp_request" 998 #define DEVLINK_TRAP_GENERIC_NAME_ARP_RESPONSE \ 999 "arp_response" 1000 #define DEVLINK_TRAP_GENERIC_NAME_ARP_OVERLAY \ 1001 "arp_overlay" 1002 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_SOLICIT \ 1003 "ipv6_neigh_solicit" 1004 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_ADVERT \ 1005 "ipv6_neigh_advert" 1006 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_BFD \ 1007 "ipv4_bfd" 1008 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_BFD \ 1009 "ipv6_bfd" 1010 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_OSPF \ 1011 "ipv4_ospf" 1012 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_OSPF \ 1013 "ipv6_ospf" 1014 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_BGP \ 1015 "ipv4_bgp" 1016 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_BGP \ 1017 "ipv6_bgp" 1018 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_VRRP \ 1019 "ipv4_vrrp" 1020 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_VRRP \ 1021 "ipv6_vrrp" 1022 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_PIM \ 1023 "ipv4_pim" 1024 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_PIM \ 1025 "ipv6_pim" 1026 #define DEVLINK_TRAP_GENERIC_NAME_UC_LB \ 1027 "uc_loopback" 1028 #define DEVLINK_TRAP_GENERIC_NAME_LOCAL_ROUTE \ 1029 "local_route" 1030 #define DEVLINK_TRAP_GENERIC_NAME_EXTERNAL_ROUTE \ 1031 "external_route" 1032 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_UC_DIP_LINK_LOCAL_SCOPE \ 1033 "ipv6_uc_dip_link_local_scope" 1034 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_NODES \ 1035 "ipv6_dip_all_nodes" 1036 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_ROUTERS \ 1037 "ipv6_dip_all_routers" 1038 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_SOLICIT \ 1039 "ipv6_router_solicit" 1040 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ADVERT \ 1041 "ipv6_router_advert" 1042 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_REDIRECT \ 1043 "ipv6_redirect" 1044 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_ROUTER_ALERT \ 1045 "ipv4_router_alert" 1046 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ALERT \ 1047 "ipv6_router_alert" 1048 #define DEVLINK_TRAP_GENERIC_NAME_PTP_EVENT \ 1049 "ptp_event" 1050 #define DEVLINK_TRAP_GENERIC_NAME_PTP_GENERAL \ 1051 "ptp_general" 1052 #define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_SAMPLE \ 1053 "flow_action_sample" 1054 #define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_TRAP \ 1055 "flow_action_trap" 1056 #define DEVLINK_TRAP_GENERIC_NAME_EARLY_DROP \ 1057 "early_drop" 1058 #define DEVLINK_TRAP_GENERIC_NAME_VXLAN_PARSING \ 1059 "vxlan_parsing" 1060 #define DEVLINK_TRAP_GENERIC_NAME_LLC_SNAP_PARSING \ 1061 "llc_snap_parsing" 1062 #define DEVLINK_TRAP_GENERIC_NAME_VLAN_PARSING \ 1063 "vlan_parsing" 1064 #define DEVLINK_TRAP_GENERIC_NAME_PPPOE_PPP_PARSING \ 1065 "pppoe_ppp_parsing" 1066 #define DEVLINK_TRAP_GENERIC_NAME_MPLS_PARSING \ 1067 "mpls_parsing" 1068 #define DEVLINK_TRAP_GENERIC_NAME_ARP_PARSING \ 1069 "arp_parsing" 1070 #define DEVLINK_TRAP_GENERIC_NAME_IP_1_PARSING \ 1071 "ip_1_parsing" 1072 #define DEVLINK_TRAP_GENERIC_NAME_IP_N_PARSING \ 1073 "ip_n_parsing" 1074 #define DEVLINK_TRAP_GENERIC_NAME_GRE_PARSING \ 1075 "gre_parsing" 1076 #define DEVLINK_TRAP_GENERIC_NAME_UDP_PARSING \ 1077 "udp_parsing" 1078 #define DEVLINK_TRAP_GENERIC_NAME_TCP_PARSING \ 1079 "tcp_parsing" 1080 #define DEVLINK_TRAP_GENERIC_NAME_IPSEC_PARSING \ 1081 "ipsec_parsing" 1082 #define DEVLINK_TRAP_GENERIC_NAME_SCTP_PARSING \ 1083 "sctp_parsing" 1084 #define DEVLINK_TRAP_GENERIC_NAME_DCCP_PARSING \ 1085 "dccp_parsing" 1086 #define DEVLINK_TRAP_GENERIC_NAME_GTP_PARSING \ 1087 "gtp_parsing" 1088 #define DEVLINK_TRAP_GENERIC_NAME_ESP_PARSING \ 1089 "esp_parsing" 1090 #define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_NEXTHOP \ 1091 "blackhole_nexthop" 1092 #define DEVLINK_TRAP_GENERIC_NAME_DMAC_FILTER \ 1093 "dmac_filter" 1094 1095 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L2_DROPS \ 1096 "l2_drops" 1097 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_DROPS \ 1098 "l3_drops" 1099 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_EXCEPTIONS \ 1100 "l3_exceptions" 1101 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BUFFER_DROPS \ 1102 "buffer_drops" 1103 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_TUNNEL_DROPS \ 1104 "tunnel_drops" 1105 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_DROPS \ 1106 "acl_drops" 1107 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_STP \ 1108 "stp" 1109 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LACP \ 1110 "lacp" 1111 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LLDP \ 1112 "lldp" 1113 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_MC_SNOOPING \ 1114 "mc_snooping" 1115 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_DHCP \ 1116 "dhcp" 1117 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_NEIGH_DISCOVERY \ 1118 "neigh_discovery" 1119 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BFD \ 1120 "bfd" 1121 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_OSPF \ 1122 "ospf" 1123 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BGP \ 1124 "bgp" 1125 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_VRRP \ 1126 "vrrp" 1127 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PIM \ 1128 "pim" 1129 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_UC_LB \ 1130 "uc_loopback" 1131 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LOCAL_DELIVERY \ 1132 "local_delivery" 1133 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_EXTERNAL_DELIVERY \ 1134 "external_delivery" 1135 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_IPV6 \ 1136 "ipv6" 1137 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_EVENT \ 1138 "ptp_event" 1139 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_GENERAL \ 1140 "ptp_general" 1141 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_SAMPLE \ 1142 "acl_sample" 1143 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_TRAP \ 1144 "acl_trap" 1145 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PARSER_ERROR_DROPS \ 1146 "parser_error_drops" 1147 1148 #define DEVLINK_TRAP_GENERIC(_type, _init_action, _id, _group_id, \ 1149 _metadata_cap) \ 1150 { \ 1151 .type = DEVLINK_TRAP_TYPE_##_type, \ 1152 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \ 1153 .generic = true, \ 1154 .id = DEVLINK_TRAP_GENERIC_ID_##_id, \ 1155 .name = DEVLINK_TRAP_GENERIC_NAME_##_id, \ 1156 .init_group_id = _group_id, \ 1157 .metadata_cap = _metadata_cap, \ 1158 } 1159 1160 #define DEVLINK_TRAP_DRIVER(_type, _init_action, _id, _name, _group_id, \ 1161 _metadata_cap) \ 1162 { \ 1163 .type = DEVLINK_TRAP_TYPE_##_type, \ 1164 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \ 1165 .generic = false, \ 1166 .id = _id, \ 1167 .name = _name, \ 1168 .init_group_id = _group_id, \ 1169 .metadata_cap = _metadata_cap, \ 1170 } 1171 1172 #define DEVLINK_TRAP_GROUP_GENERIC(_id, _policer_id) \ 1173 { \ 1174 .name = DEVLINK_TRAP_GROUP_GENERIC_NAME_##_id, \ 1175 .id = DEVLINK_TRAP_GROUP_GENERIC_ID_##_id, \ 1176 .generic = true, \ 1177 .init_policer_id = _policer_id, \ 1178 } 1179 1180 #define DEVLINK_TRAP_POLICER(_id, _rate, _burst, _max_rate, _min_rate, \ 1181 _max_burst, _min_burst) \ 1182 { \ 1183 .id = _id, \ 1184 .init_rate = _rate, \ 1185 .init_burst = _burst, \ 1186 .max_rate = _max_rate, \ 1187 .min_rate = _min_rate, \ 1188 .max_burst = _max_burst, \ 1189 .min_burst = _min_burst, \ 1190 } 1191 1192 enum { 1193 /* device supports reload operations */ 1194 DEVLINK_F_RELOAD = 1UL << 0, 1195 }; 1196 1197 struct devlink_ops { 1198 /** 1199 * @supported_flash_update_params: 1200 * mask of parameters supported by the driver's .flash_update 1201 * implemementation. 1202 */ 1203 u32 supported_flash_update_params; 1204 unsigned long reload_actions; 1205 unsigned long reload_limits; 1206 int (*reload_down)(struct devlink *devlink, bool netns_change, 1207 enum devlink_reload_action action, 1208 enum devlink_reload_limit limit, 1209 struct netlink_ext_ack *extack); 1210 int (*reload_up)(struct devlink *devlink, enum devlink_reload_action action, 1211 enum devlink_reload_limit limit, u32 *actions_performed, 1212 struct netlink_ext_ack *extack); 1213 int (*port_type_set)(struct devlink_port *devlink_port, 1214 enum devlink_port_type port_type); 1215 int (*port_split)(struct devlink *devlink, unsigned int port_index, 1216 unsigned int count, struct netlink_ext_ack *extack); 1217 int (*port_unsplit)(struct devlink *devlink, unsigned int port_index, 1218 struct netlink_ext_ack *extack); 1219 int (*sb_pool_get)(struct devlink *devlink, unsigned int sb_index, 1220 u16 pool_index, 1221 struct devlink_sb_pool_info *pool_info); 1222 int (*sb_pool_set)(struct devlink *devlink, unsigned int sb_index, 1223 u16 pool_index, u32 size, 1224 enum devlink_sb_threshold_type threshold_type, 1225 struct netlink_ext_ack *extack); 1226 int (*sb_port_pool_get)(struct devlink_port *devlink_port, 1227 unsigned int sb_index, u16 pool_index, 1228 u32 *p_threshold); 1229 int (*sb_port_pool_set)(struct devlink_port *devlink_port, 1230 unsigned int sb_index, u16 pool_index, 1231 u32 threshold, struct netlink_ext_ack *extack); 1232 int (*sb_tc_pool_bind_get)(struct devlink_port *devlink_port, 1233 unsigned int sb_index, 1234 u16 tc_index, 1235 enum devlink_sb_pool_type pool_type, 1236 u16 *p_pool_index, u32 *p_threshold); 1237 int (*sb_tc_pool_bind_set)(struct devlink_port *devlink_port, 1238 unsigned int sb_index, 1239 u16 tc_index, 1240 enum devlink_sb_pool_type pool_type, 1241 u16 pool_index, u32 threshold, 1242 struct netlink_ext_ack *extack); 1243 int (*sb_occ_snapshot)(struct devlink *devlink, 1244 unsigned int sb_index); 1245 int (*sb_occ_max_clear)(struct devlink *devlink, 1246 unsigned int sb_index); 1247 int (*sb_occ_port_pool_get)(struct devlink_port *devlink_port, 1248 unsigned int sb_index, u16 pool_index, 1249 u32 *p_cur, u32 *p_max); 1250 int (*sb_occ_tc_port_bind_get)(struct devlink_port *devlink_port, 1251 unsigned int sb_index, 1252 u16 tc_index, 1253 enum devlink_sb_pool_type pool_type, 1254 u32 *p_cur, u32 *p_max); 1255 1256 int (*eswitch_mode_get)(struct devlink *devlink, u16 *p_mode); 1257 int (*eswitch_mode_set)(struct devlink *devlink, u16 mode, 1258 struct netlink_ext_ack *extack); 1259 int (*eswitch_inline_mode_get)(struct devlink *devlink, u8 *p_inline_mode); 1260 int (*eswitch_inline_mode_set)(struct devlink *devlink, u8 inline_mode, 1261 struct netlink_ext_ack *extack); 1262 int (*eswitch_encap_mode_get)(struct devlink *devlink, 1263 enum devlink_eswitch_encap_mode *p_encap_mode); 1264 int (*eswitch_encap_mode_set)(struct devlink *devlink, 1265 enum devlink_eswitch_encap_mode encap_mode, 1266 struct netlink_ext_ack *extack); 1267 int (*info_get)(struct devlink *devlink, struct devlink_info_req *req, 1268 struct netlink_ext_ack *extack); 1269 /** 1270 * @flash_update: Device flash update function 1271 * 1272 * Used to perform a flash update for the device. The set of 1273 * parameters supported by the driver should be set in 1274 * supported_flash_update_params. 1275 */ 1276 int (*flash_update)(struct devlink *devlink, 1277 struct devlink_flash_update_params *params, 1278 struct netlink_ext_ack *extack); 1279 /** 1280 * @trap_init: Trap initialization function. 1281 * 1282 * Should be used by device drivers to initialize the trap in the 1283 * underlying device. Drivers should also store the provided trap 1284 * context, so that they could efficiently pass it to 1285 * devlink_trap_report() when the trap is triggered. 1286 */ 1287 int (*trap_init)(struct devlink *devlink, 1288 const struct devlink_trap *trap, void *trap_ctx); 1289 /** 1290 * @trap_fini: Trap de-initialization function. 1291 * 1292 * Should be used by device drivers to de-initialize the trap in the 1293 * underlying device. 1294 */ 1295 void (*trap_fini)(struct devlink *devlink, 1296 const struct devlink_trap *trap, void *trap_ctx); 1297 /** 1298 * @trap_action_set: Trap action set function. 1299 */ 1300 int (*trap_action_set)(struct devlink *devlink, 1301 const struct devlink_trap *trap, 1302 enum devlink_trap_action action, 1303 struct netlink_ext_ack *extack); 1304 /** 1305 * @trap_group_init: Trap group initialization function. 1306 * 1307 * Should be used by device drivers to initialize the trap group in the 1308 * underlying device. 1309 */ 1310 int (*trap_group_init)(struct devlink *devlink, 1311 const struct devlink_trap_group *group); 1312 /** 1313 * @trap_group_set: Trap group parameters set function. 1314 * 1315 * Note: @policer can be NULL when a policer is being unbound from 1316 * @group. 1317 */ 1318 int (*trap_group_set)(struct devlink *devlink, 1319 const struct devlink_trap_group *group, 1320 const struct devlink_trap_policer *policer, 1321 struct netlink_ext_ack *extack); 1322 /** 1323 * @trap_group_action_set: Trap group action set function. 1324 * 1325 * If this callback is populated, it will take precedence over looping 1326 * over all traps in a group and calling .trap_action_set(). 1327 */ 1328 int (*trap_group_action_set)(struct devlink *devlink, 1329 const struct devlink_trap_group *group, 1330 enum devlink_trap_action action, 1331 struct netlink_ext_ack *extack); 1332 /** 1333 * @trap_drop_counter_get: Trap drop counter get function. 1334 * 1335 * Should be used by device drivers to report number of packets 1336 * that have been dropped, and cannot be passed to the devlink 1337 * subsystem by the underlying device. 1338 */ 1339 int (*trap_drop_counter_get)(struct devlink *devlink, 1340 const struct devlink_trap *trap, 1341 u64 *p_drops); 1342 /** 1343 * @trap_policer_init: Trap policer initialization function. 1344 * 1345 * Should be used by device drivers to initialize the trap policer in 1346 * the underlying device. 1347 */ 1348 int (*trap_policer_init)(struct devlink *devlink, 1349 const struct devlink_trap_policer *policer); 1350 /** 1351 * @trap_policer_fini: Trap policer de-initialization function. 1352 * 1353 * Should be used by device drivers to de-initialize the trap policer 1354 * in the underlying device. 1355 */ 1356 void (*trap_policer_fini)(struct devlink *devlink, 1357 const struct devlink_trap_policer *policer); 1358 /** 1359 * @trap_policer_set: Trap policer parameters set function. 1360 */ 1361 int (*trap_policer_set)(struct devlink *devlink, 1362 const struct devlink_trap_policer *policer, 1363 u64 rate, u64 burst, 1364 struct netlink_ext_ack *extack); 1365 /** 1366 * @trap_policer_counter_get: Trap policer counter get function. 1367 * 1368 * Should be used by device drivers to report number of packets dropped 1369 * by the policer. 1370 */ 1371 int (*trap_policer_counter_get)(struct devlink *devlink, 1372 const struct devlink_trap_policer *policer, 1373 u64 *p_drops); 1374 /** 1375 * @port_function_hw_addr_get: Port function's hardware address get function. 1376 * 1377 * Should be used by device drivers to report the hardware address of a function managed 1378 * by the devlink port. Driver should return -EOPNOTSUPP if it doesn't support port 1379 * function handling for a particular port. 1380 * 1381 * Note: @extack can be NULL when port notifier queries the port function. 1382 */ 1383 int (*port_function_hw_addr_get)(struct devlink_port *port, u8 *hw_addr, 1384 int *hw_addr_len, 1385 struct netlink_ext_ack *extack); 1386 /** 1387 * @port_function_hw_addr_set: Port function's hardware address set function. 1388 * 1389 * Should be used by device drivers to set the hardware address of a function managed 1390 * by the devlink port. Driver should return -EOPNOTSUPP if it doesn't support port 1391 * function handling for a particular port. 1392 */ 1393 int (*port_function_hw_addr_set)(struct devlink_port *port, 1394 const u8 *hw_addr, int hw_addr_len, 1395 struct netlink_ext_ack *extack); 1396 /** 1397 * port_new() - Add a new port function of a specified flavor 1398 * @devlink: Devlink instance 1399 * @attrs: attributes of the new port 1400 * @extack: extack for reporting error messages 1401 * @new_port_index: index of the new port 1402 * 1403 * Devlink core will call this device driver function upon user request 1404 * to create a new port function of a specified flavor and optional 1405 * attributes 1406 * 1407 * Notes: 1408 * - Called without devlink instance lock being held. Drivers must 1409 * implement own means of synchronization 1410 * - On success, drivers must register a port with devlink core 1411 * 1412 * Return: 0 on success, negative value otherwise. 1413 */ 1414 int (*port_new)(struct devlink *devlink, 1415 const struct devlink_port_new_attrs *attrs, 1416 struct netlink_ext_ack *extack, 1417 unsigned int *new_port_index); 1418 /** 1419 * port_del() - Delete a port function 1420 * @devlink: Devlink instance 1421 * @port_index: port function index to delete 1422 * @extack: extack for reporting error messages 1423 * 1424 * Devlink core will call this device driver function upon user request 1425 * to delete a previously created port function 1426 * 1427 * Notes: 1428 * - Called without devlink instance lock being held. Drivers must 1429 * implement own means of synchronization 1430 * - On success, drivers must unregister the corresponding devlink 1431 * port 1432 * 1433 * Return: 0 on success, negative value otherwise. 1434 */ 1435 int (*port_del)(struct devlink *devlink, unsigned int port_index, 1436 struct netlink_ext_ack *extack); 1437 /** 1438 * port_fn_state_get() - Get the state of a port function 1439 * @devlink: Devlink instance 1440 * @port: The devlink port 1441 * @state: Admin configured state 1442 * @opstate: Current operational state 1443 * @extack: extack for reporting error messages 1444 * 1445 * Reports the admin and operational state of a devlink port function 1446 * 1447 * Return: 0 on success, negative value otherwise. 1448 */ 1449 int (*port_fn_state_get)(struct devlink_port *port, 1450 enum devlink_port_fn_state *state, 1451 enum devlink_port_fn_opstate *opstate, 1452 struct netlink_ext_ack *extack); 1453 /** 1454 * port_fn_state_set() - Set the admin state of a port function 1455 * @devlink: Devlink instance 1456 * @port: The devlink port 1457 * @state: Admin state 1458 * @extack: extack for reporting error messages 1459 * 1460 * Set the admin state of a devlink port function 1461 * 1462 * Return: 0 on success, negative value otherwise. 1463 */ 1464 int (*port_fn_state_set)(struct devlink_port *port, 1465 enum devlink_port_fn_state state, 1466 struct netlink_ext_ack *extack); 1467 1468 /** 1469 * Rate control callbacks. 1470 */ 1471 int (*rate_leaf_tx_share_set)(struct devlink_rate *devlink_rate, void *priv, 1472 u64 tx_share, struct netlink_ext_ack *extack); 1473 int (*rate_leaf_tx_max_set)(struct devlink_rate *devlink_rate, void *priv, 1474 u64 tx_max, struct netlink_ext_ack *extack); 1475 int (*rate_node_tx_share_set)(struct devlink_rate *devlink_rate, void *priv, 1476 u64 tx_share, struct netlink_ext_ack *extack); 1477 int (*rate_node_tx_max_set)(struct devlink_rate *devlink_rate, void *priv, 1478 u64 tx_max, struct netlink_ext_ack *extack); 1479 int (*rate_node_new)(struct devlink_rate *rate_node, void **priv, 1480 struct netlink_ext_ack *extack); 1481 int (*rate_node_del)(struct devlink_rate *rate_node, void *priv, 1482 struct netlink_ext_ack *extack); 1483 int (*rate_leaf_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 int (*rate_node_parent_set)(struct devlink_rate *child, 1488 struct devlink_rate *parent, 1489 void *priv_child, void *priv_parent, 1490 struct netlink_ext_ack *extack); 1491 }; 1492 1493 void *devlink_priv(struct devlink *devlink); 1494 struct devlink *priv_to_devlink(void *priv); 1495 struct device *devlink_to_dev(const 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 struct devlink_resource *resource); 1576 int devlink_resource_size_get(struct devlink *devlink, 1577 u64 resource_id, 1578 u64 *p_resource_size); 1579 int devlink_dpipe_table_resource_set(struct devlink *devlink, 1580 const char *table_name, u64 resource_id, 1581 u64 resource_units); 1582 void devlink_resource_occ_get_register(struct devlink *devlink, 1583 u64 resource_id, 1584 devlink_resource_occ_get_t *occ_get, 1585 void *occ_get_priv); 1586 void devlink_resource_occ_get_unregister(struct devlink *devlink, 1587 u64 resource_id); 1588 int devlink_params_register(struct devlink *devlink, 1589 const struct devlink_param *params, 1590 size_t params_count); 1591 void devlink_params_unregister(struct devlink *devlink, 1592 const struct devlink_param *params, 1593 size_t params_count); 1594 int devlink_param_register(struct devlink *devlink, 1595 const struct devlink_param *param); 1596 void devlink_param_unregister(struct devlink *devlink, 1597 const struct devlink_param *param); 1598 int devlink_param_driverinit_value_get(struct devlink *devlink, u32 param_id, 1599 union devlink_param_value *init_val); 1600 int devlink_param_driverinit_value_set(struct devlink *devlink, u32 param_id, 1601 union devlink_param_value init_val); 1602 void devlink_param_value_changed(struct devlink *devlink, u32 param_id); 1603 struct devlink_region * 1604 devlink_region_create(struct devlink *devlink, 1605 const struct devlink_region_ops *ops, 1606 u32 region_max_snapshots, u64 region_size); 1607 struct devlink_region * 1608 devlink_port_region_create(struct devlink_port *port, 1609 const struct devlink_port_region_ops *ops, 1610 u32 region_max_snapshots, u64 region_size); 1611 void devlink_region_destroy(struct devlink_region *region); 1612 void devlink_port_region_destroy(struct devlink_region *region); 1613 1614 int devlink_region_snapshot_id_get(struct devlink *devlink, u32 *id); 1615 void devlink_region_snapshot_id_put(struct devlink *devlink, u32 id); 1616 int devlink_region_snapshot_create(struct devlink_region *region, 1617 u8 *data, u32 snapshot_id); 1618 int devlink_info_serial_number_put(struct devlink_info_req *req, 1619 const char *sn); 1620 int devlink_info_driver_name_put(struct devlink_info_req *req, 1621 const char *name); 1622 int devlink_info_board_serial_number_put(struct devlink_info_req *req, 1623 const char *bsn); 1624 int devlink_info_version_fixed_put(struct devlink_info_req *req, 1625 const char *version_name, 1626 const char *version_value); 1627 int devlink_info_version_stored_put(struct devlink_info_req *req, 1628 const char *version_name, 1629 const char *version_value); 1630 int devlink_info_version_running_put(struct devlink_info_req *req, 1631 const char *version_name, 1632 const char *version_value); 1633 1634 int devlink_fmsg_obj_nest_start(struct devlink_fmsg *fmsg); 1635 int devlink_fmsg_obj_nest_end(struct devlink_fmsg *fmsg); 1636 1637 int devlink_fmsg_pair_nest_start(struct devlink_fmsg *fmsg, const char *name); 1638 int devlink_fmsg_pair_nest_end(struct devlink_fmsg *fmsg); 1639 1640 int devlink_fmsg_arr_pair_nest_start(struct devlink_fmsg *fmsg, 1641 const char *name); 1642 int devlink_fmsg_arr_pair_nest_end(struct devlink_fmsg *fmsg); 1643 int devlink_fmsg_binary_pair_nest_start(struct devlink_fmsg *fmsg, 1644 const char *name); 1645 int devlink_fmsg_binary_pair_nest_end(struct devlink_fmsg *fmsg); 1646 1647 int devlink_fmsg_u32_put(struct devlink_fmsg *fmsg, u32 value); 1648 int devlink_fmsg_string_put(struct devlink_fmsg *fmsg, const char *value); 1649 int devlink_fmsg_binary_put(struct devlink_fmsg *fmsg, const void *value, 1650 u16 value_len); 1651 1652 int devlink_fmsg_bool_pair_put(struct devlink_fmsg *fmsg, const char *name, 1653 bool value); 1654 int devlink_fmsg_u8_pair_put(struct devlink_fmsg *fmsg, const char *name, 1655 u8 value); 1656 int devlink_fmsg_u32_pair_put(struct devlink_fmsg *fmsg, const char *name, 1657 u32 value); 1658 int devlink_fmsg_u64_pair_put(struct devlink_fmsg *fmsg, const char *name, 1659 u64 value); 1660 int devlink_fmsg_string_pair_put(struct devlink_fmsg *fmsg, const char *name, 1661 const char *value); 1662 int devlink_fmsg_binary_pair_put(struct devlink_fmsg *fmsg, const char *name, 1663 const void *value, u32 value_len); 1664 1665 struct devlink_health_reporter * 1666 devlink_health_reporter_create(struct devlink *devlink, 1667 const struct devlink_health_reporter_ops *ops, 1668 u64 graceful_period, void *priv); 1669 1670 struct devlink_health_reporter * 1671 devlink_port_health_reporter_create(struct devlink_port *port, 1672 const struct devlink_health_reporter_ops *ops, 1673 u64 graceful_period, void *priv); 1674 1675 void 1676 devlink_health_reporter_destroy(struct devlink_health_reporter *reporter); 1677 1678 void 1679 devlink_port_health_reporter_destroy(struct devlink_health_reporter *reporter); 1680 1681 void * 1682 devlink_health_reporter_priv(struct devlink_health_reporter *reporter); 1683 int devlink_health_report(struct devlink_health_reporter *reporter, 1684 const char *msg, void *priv_ctx); 1685 void 1686 devlink_health_reporter_state_update(struct devlink_health_reporter *reporter, 1687 enum devlink_health_reporter_state state); 1688 void 1689 devlink_health_reporter_recovery_done(struct devlink_health_reporter *reporter); 1690 1691 bool devlink_is_reload_failed(const struct devlink *devlink); 1692 void devlink_remote_reload_actions_performed(struct devlink *devlink, 1693 enum devlink_reload_limit limit, 1694 u32 actions_performed); 1695 1696 void devlink_flash_update_status_notify(struct devlink *devlink, 1697 const char *status_msg, 1698 const char *component, 1699 unsigned long done, 1700 unsigned long total); 1701 void devlink_flash_update_timeout_notify(struct devlink *devlink, 1702 const char *status_msg, 1703 const char *component, 1704 unsigned long timeout); 1705 1706 int devlink_traps_register(struct devlink *devlink, 1707 const struct devlink_trap *traps, 1708 size_t traps_count, void *priv); 1709 void devlink_traps_unregister(struct devlink *devlink, 1710 const struct devlink_trap *traps, 1711 size_t traps_count); 1712 void devlink_trap_report(struct devlink *devlink, struct sk_buff *skb, 1713 void *trap_ctx, struct devlink_port *in_devlink_port, 1714 const struct flow_action_cookie *fa_cookie); 1715 void *devlink_trap_ctx_priv(void *trap_ctx); 1716 int devlink_trap_groups_register(struct devlink *devlink, 1717 const struct devlink_trap_group *groups, 1718 size_t groups_count); 1719 void devlink_trap_groups_unregister(struct devlink *devlink, 1720 const struct devlink_trap_group *groups, 1721 size_t groups_count); 1722 int 1723 devlink_trap_policers_register(struct devlink *devlink, 1724 const struct devlink_trap_policer *policers, 1725 size_t policers_count); 1726 void 1727 devlink_trap_policers_unregister(struct devlink *devlink, 1728 const struct devlink_trap_policer *policers, 1729 size_t policers_count); 1730 1731 #if IS_ENABLED(CONFIG_NET_DEVLINK) 1732 1733 struct devlink *__must_check devlink_try_get(struct devlink *devlink); 1734 void devlink_put(struct devlink *devlink); 1735 1736 void devlink_compat_running_version(struct devlink *devlink, 1737 char *buf, size_t len); 1738 int devlink_compat_flash_update(struct devlink *devlink, const char *file_name); 1739 int devlink_compat_phys_port_name_get(struct net_device *dev, 1740 char *name, size_t len); 1741 int devlink_compat_switch_id_get(struct net_device *dev, 1742 struct netdev_phys_item_id *ppid); 1743 1744 #else 1745 1746 static inline struct devlink *devlink_try_get(struct devlink *devlink) 1747 { 1748 return NULL; 1749 } 1750 1751 static inline void devlink_put(struct devlink *devlink) 1752 { 1753 } 1754 1755 static inline void 1756 devlink_compat_running_version(struct devlink *devlink, char *buf, size_t len) 1757 { 1758 } 1759 1760 static inline int 1761 devlink_compat_flash_update(struct devlink *devlink, const char *file_name) 1762 { 1763 return -EOPNOTSUPP; 1764 } 1765 1766 static inline int 1767 devlink_compat_phys_port_name_get(struct net_device *dev, 1768 char *name, size_t len) 1769 { 1770 return -EOPNOTSUPP; 1771 } 1772 1773 static inline int 1774 devlink_compat_switch_id_get(struct net_device *dev, 1775 struct netdev_phys_item_id *ppid) 1776 { 1777 return -EOPNOTSUPP; 1778 } 1779 1780 #endif 1781 1782 #endif /* _NET_DEVLINK_H_ */ 1783