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 <[email protected]> 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 struct devlink_linecard; 26 27 struct devlink_port_phys_attrs { 28 u32 port_number; /* Same value as "split group". 29 * A physical port which is visible to the user 30 * for a given port flavour. 31 */ 32 u32 split_subport_number; /* If the port is split, this is the number of subport. */ 33 }; 34 35 /** 36 * struct devlink_port_pci_pf_attrs - devlink port's PCI PF attributes 37 * @controller: Associated controller number 38 * @pf: Associated PCI PF number for this port. 39 * @external: when set, indicates if a port is for an external controller 40 */ 41 struct devlink_port_pci_pf_attrs { 42 u32 controller; 43 u16 pf; 44 u8 external:1; 45 }; 46 47 /** 48 * struct devlink_port_pci_vf_attrs - devlink port's PCI VF attributes 49 * @controller: Associated controller number 50 * @pf: Associated PCI PF number for this port. 51 * @vf: Associated PCI VF for of the PCI PF for this port. 52 * @external: when set, indicates if a port is for an external controller 53 */ 54 struct devlink_port_pci_vf_attrs { 55 u32 controller; 56 u16 pf; 57 u16 vf; 58 u8 external:1; 59 }; 60 61 /** 62 * struct devlink_port_pci_sf_attrs - devlink port's PCI SF attributes 63 * @controller: Associated controller number 64 * @sf: Associated PCI SF for of the PCI PF for this port. 65 * @pf: Associated PCI PF number for this port. 66 * @external: when set, indicates if a port is for an external controller 67 */ 68 struct devlink_port_pci_sf_attrs { 69 u32 controller; 70 u32 sf; 71 u16 pf; 72 u8 external:1; 73 }; 74 75 /** 76 * struct devlink_port_attrs - devlink port object 77 * @flavour: flavour of the port 78 * @split: indicates if this is split port 79 * @splittable: indicates if the port can be split. 80 * @lanes: maximum number of lanes the port supports. 0 value is not passed to netlink. 81 * @switch_id: if the port is part of switch, this is buffer with ID, otherwise this is NULL 82 * @phys: physical port attributes 83 * @pci_pf: PCI PF port attributes 84 * @pci_vf: PCI VF port attributes 85 * @pci_sf: PCI SF port attributes 86 */ 87 struct devlink_port_attrs { 88 u8 split:1, 89 splittable:1; 90 u32 lanes; 91 enum devlink_port_flavour flavour; 92 struct netdev_phys_item_id switch_id; 93 union { 94 struct devlink_port_phys_attrs phys; 95 struct devlink_port_pci_pf_attrs pci_pf; 96 struct devlink_port_pci_vf_attrs pci_vf; 97 struct devlink_port_pci_sf_attrs pci_sf; 98 }; 99 }; 100 101 struct devlink_rate { 102 struct list_head list; 103 enum devlink_rate_type type; 104 struct devlink *devlink; 105 void *priv; 106 u64 tx_share; 107 u64 tx_max; 108 109 struct devlink_rate *parent; 110 union { 111 struct devlink_port *devlink_port; 112 struct { 113 char *name; 114 refcount_t refcnt; 115 }; 116 }; 117 }; 118 119 struct devlink_port { 120 struct list_head list; 121 struct list_head param_list; 122 struct list_head region_list; 123 struct devlink *devlink; 124 unsigned int index; 125 spinlock_t type_lock; /* Protects type and type_dev 126 * pointer consistency. 127 */ 128 enum devlink_port_type type; 129 enum devlink_port_type desired_type; 130 void *type_dev; 131 struct devlink_port_attrs attrs; 132 u8 attrs_set:1, 133 switch_port:1; 134 struct delayed_work type_warn_dw; 135 struct list_head reporter_list; 136 struct mutex reporters_lock; /* Protects reporter_list */ 137 138 struct devlink_rate *devlink_rate; 139 struct devlink_linecard *linecard; 140 }; 141 142 struct devlink_port_new_attrs { 143 enum devlink_port_flavour flavour; 144 unsigned int port_index; 145 u32 controller; 146 u32 sfnum; 147 u16 pfnum; 148 u8 port_index_valid:1, 149 controller_valid:1, 150 sfnum_valid:1; 151 }; 152 153 struct devlink_info_req; 154 struct devlink_linecard_device; 155 156 /** 157 * struct devlink_linecard_ops - Linecard operations 158 * @provision: callback to provision the linecard slot with certain 159 * type of linecard. As a result of this operation, 160 * driver is expected to eventually (could be after 161 * the function call returns) call one of: 162 * devlink_linecard_provision_set() 163 * devlink_linecard_provision_fail() 164 * @unprovision: callback to unprovision the linecard slot. As a result 165 * of this operation, driver is expected to eventually 166 * (could be after the function call returns) call 167 * devlink_linecard_provision_clear() 168 * devlink_linecard_provision_fail() 169 * @same_provision: callback to ask the driver if linecard is already 170 * provisioned in the same way user asks this linecard to be 171 * provisioned. 172 * @types_count: callback to get number of supported types 173 * @types_get: callback to get next type in list 174 * @info_get: callback to get linecard info 175 * @device_info_get: callback to get linecard device info 176 */ 177 struct devlink_linecard_ops { 178 int (*provision)(struct devlink_linecard *linecard, void *priv, 179 const char *type, const void *type_priv, 180 struct netlink_ext_ack *extack); 181 int (*unprovision)(struct devlink_linecard *linecard, void *priv, 182 struct netlink_ext_ack *extack); 183 bool (*same_provision)(struct devlink_linecard *linecard, void *priv, 184 const char *type, const void *type_priv); 185 unsigned int (*types_count)(struct devlink_linecard *linecard, 186 void *priv); 187 void (*types_get)(struct devlink_linecard *linecard, 188 void *priv, unsigned int index, const char **type, 189 const void **type_priv); 190 int (*info_get)(struct devlink_linecard *linecard, void *priv, 191 struct devlink_info_req *req, 192 struct netlink_ext_ack *extack); 193 int (*device_info_get)(struct devlink_linecard_device *device, 194 void *priv, struct devlink_info_req *req, 195 struct netlink_ext_ack *extack); 196 }; 197 198 struct devlink_sb_pool_info { 199 enum devlink_sb_pool_type pool_type; 200 u32 size; 201 enum devlink_sb_threshold_type threshold_type; 202 u32 cell_size; 203 }; 204 205 /** 206 * struct devlink_dpipe_field - dpipe field object 207 * @name: field name 208 * @id: index inside the headers field array 209 * @bitwidth: bitwidth 210 * @mapping_type: mapping type 211 */ 212 struct devlink_dpipe_field { 213 const char *name; 214 unsigned int id; 215 unsigned int bitwidth; 216 enum devlink_dpipe_field_mapping_type mapping_type; 217 }; 218 219 /** 220 * struct devlink_dpipe_header - dpipe header object 221 * @name: header name 222 * @id: index, global/local detrmined by global bit 223 * @fields: fields 224 * @fields_count: number of fields 225 * @global: indicates if header is shared like most protocol header 226 * or driver specific 227 */ 228 struct devlink_dpipe_header { 229 const char *name; 230 unsigned int id; 231 struct devlink_dpipe_field *fields; 232 unsigned int fields_count; 233 bool global; 234 }; 235 236 /** 237 * struct devlink_dpipe_match - represents match operation 238 * @type: type of match 239 * @header_index: header index (packets can have several headers of same 240 * type like in case of tunnels) 241 * @header: header 242 * @fieled_id: field index 243 */ 244 struct devlink_dpipe_match { 245 enum devlink_dpipe_match_type type; 246 unsigned int header_index; 247 struct devlink_dpipe_header *header; 248 unsigned int field_id; 249 }; 250 251 /** 252 * struct devlink_dpipe_action - represents action operation 253 * @type: type of action 254 * @header_index: header index (packets can have several headers of same 255 * type like in case of tunnels) 256 * @header: header 257 * @fieled_id: field index 258 */ 259 struct devlink_dpipe_action { 260 enum devlink_dpipe_action_type type; 261 unsigned int header_index; 262 struct devlink_dpipe_header *header; 263 unsigned int field_id; 264 }; 265 266 /** 267 * struct devlink_dpipe_value - represents value of match/action 268 * @action: action 269 * @match: match 270 * @mapping_value: in case the field has some mapping this value 271 * specified the mapping value 272 * @mapping_valid: specify if mapping value is valid 273 * @value_size: value size 274 * @value: value 275 * @mask: bit mask 276 */ 277 struct devlink_dpipe_value { 278 union { 279 struct devlink_dpipe_action *action; 280 struct devlink_dpipe_match *match; 281 }; 282 unsigned int mapping_value; 283 bool mapping_valid; 284 unsigned int value_size; 285 void *value; 286 void *mask; 287 }; 288 289 /** 290 * struct devlink_dpipe_entry - table entry object 291 * @index: index of the entry in the table 292 * @match_values: match values 293 * @matche_values_count: count of matches tuples 294 * @action_values: actions values 295 * @action_values_count: count of actions values 296 * @counter: value of counter 297 * @counter_valid: Specify if value is valid from hardware 298 */ 299 struct devlink_dpipe_entry { 300 u64 index; 301 struct devlink_dpipe_value *match_values; 302 unsigned int match_values_count; 303 struct devlink_dpipe_value *action_values; 304 unsigned int action_values_count; 305 u64 counter; 306 bool counter_valid; 307 }; 308 309 /** 310 * struct devlink_dpipe_dump_ctx - context provided to driver in order 311 * to dump 312 * @info: info 313 * @cmd: devlink command 314 * @skb: skb 315 * @nest: top attribute 316 * @hdr: hdr 317 */ 318 struct devlink_dpipe_dump_ctx { 319 struct genl_info *info; 320 enum devlink_command cmd; 321 struct sk_buff *skb; 322 struct nlattr *nest; 323 void *hdr; 324 }; 325 326 struct devlink_dpipe_table_ops; 327 328 /** 329 * struct devlink_dpipe_table - table object 330 * @priv: private 331 * @name: table name 332 * @counters_enabled: indicates if counters are active 333 * @counter_control_extern: indicates if counter control is in dpipe or 334 * external tool 335 * @resource_valid: Indicate that the resource id is valid 336 * @resource_id: relative resource this table is related to 337 * @resource_units: number of resource's unit consumed per table's entry 338 * @table_ops: table operations 339 * @rcu: rcu 340 */ 341 struct devlink_dpipe_table { 342 void *priv; 343 struct list_head list; 344 const char *name; 345 bool counters_enabled; 346 bool counter_control_extern; 347 bool resource_valid; 348 u64 resource_id; 349 u64 resource_units; 350 struct devlink_dpipe_table_ops *table_ops; 351 struct rcu_head rcu; 352 }; 353 354 /** 355 * struct devlink_dpipe_table_ops - dpipe_table ops 356 * @actions_dump - dumps all tables actions 357 * @matches_dump - dumps all tables matches 358 * @entries_dump - dumps all active entries in the table 359 * @counters_set_update - when changing the counter status hardware sync 360 * maybe needed to allocate/free counter related 361 * resources 362 * @size_get - get size 363 */ 364 struct devlink_dpipe_table_ops { 365 int (*actions_dump)(void *priv, struct sk_buff *skb); 366 int (*matches_dump)(void *priv, struct sk_buff *skb); 367 int (*entries_dump)(void *priv, bool counters_enabled, 368 struct devlink_dpipe_dump_ctx *dump_ctx); 369 int (*counters_set_update)(void *priv, bool enable); 370 u64 (*size_get)(void *priv); 371 }; 372 373 /** 374 * struct devlink_dpipe_headers - dpipe headers 375 * @headers - header array can be shared (global bit) or driver specific 376 * @headers_count - count of headers 377 */ 378 struct devlink_dpipe_headers { 379 struct devlink_dpipe_header **headers; 380 unsigned int headers_count; 381 }; 382 383 /** 384 * struct devlink_resource_size_params - resource's size parameters 385 * @size_min: minimum size which can be set 386 * @size_max: maximum size which can be set 387 * @size_granularity: size granularity 388 * @size_unit: resource's basic unit 389 */ 390 struct devlink_resource_size_params { 391 u64 size_min; 392 u64 size_max; 393 u64 size_granularity; 394 enum devlink_resource_unit unit; 395 }; 396 397 static inline void 398 devlink_resource_size_params_init(struct devlink_resource_size_params *size_params, 399 u64 size_min, u64 size_max, 400 u64 size_granularity, 401 enum devlink_resource_unit unit) 402 { 403 size_params->size_min = size_min; 404 size_params->size_max = size_max; 405 size_params->size_granularity = size_granularity; 406 size_params->unit = unit; 407 } 408 409 typedef u64 devlink_resource_occ_get_t(void *priv); 410 411 #define DEVLINK_RESOURCE_ID_PARENT_TOP 0 412 413 #define DEVLINK_RESOURCE_GENERIC_NAME_PORTS "physical_ports" 414 415 #define __DEVLINK_PARAM_MAX_STRING_VALUE 32 416 enum devlink_param_type { 417 DEVLINK_PARAM_TYPE_U8, 418 DEVLINK_PARAM_TYPE_U16, 419 DEVLINK_PARAM_TYPE_U32, 420 DEVLINK_PARAM_TYPE_STRING, 421 DEVLINK_PARAM_TYPE_BOOL, 422 }; 423 424 union devlink_param_value { 425 u8 vu8; 426 u16 vu16; 427 u32 vu32; 428 char vstr[__DEVLINK_PARAM_MAX_STRING_VALUE]; 429 bool vbool; 430 }; 431 432 struct devlink_param_gset_ctx { 433 union devlink_param_value val; 434 enum devlink_param_cmode cmode; 435 }; 436 437 /** 438 * struct devlink_flash_notify - devlink dev flash notify data 439 * @status_msg: current status string 440 * @component: firmware component being updated 441 * @done: amount of work completed of total amount 442 * @total: amount of work expected to be done 443 * @timeout: expected max timeout in seconds 444 * 445 * These are values to be given to userland to be displayed in order 446 * to show current activity in a firmware update process. 447 */ 448 struct devlink_flash_notify { 449 const char *status_msg; 450 const char *component; 451 unsigned long done; 452 unsigned long total; 453 unsigned long timeout; 454 }; 455 456 /** 457 * struct devlink_param - devlink configuration parameter data 458 * @name: name of the parameter 459 * @generic: indicates if the parameter is generic or driver specific 460 * @type: parameter type 461 * @supported_cmodes: bitmap of supported configuration modes 462 * @get: get parameter value, used for runtime and permanent 463 * configuration modes 464 * @set: set parameter value, used for runtime and permanent 465 * configuration modes 466 * @validate: validate input value is applicable (within value range, etc.) 467 * 468 * This struct should be used by the driver to fill the data for 469 * a parameter it registers. 470 */ 471 struct devlink_param { 472 u32 id; 473 const char *name; 474 bool generic; 475 enum devlink_param_type type; 476 unsigned long supported_cmodes; 477 int (*get)(struct devlink *devlink, u32 id, 478 struct devlink_param_gset_ctx *ctx); 479 int (*set)(struct devlink *devlink, u32 id, 480 struct devlink_param_gset_ctx *ctx); 481 int (*validate)(struct devlink *devlink, u32 id, 482 union devlink_param_value val, 483 struct netlink_ext_ack *extack); 484 }; 485 486 struct devlink_param_item { 487 struct list_head list; 488 const struct devlink_param *param; 489 union devlink_param_value driverinit_value; 490 bool driverinit_value_valid; 491 }; 492 493 enum devlink_param_generic_id { 494 DEVLINK_PARAM_GENERIC_ID_INT_ERR_RESET, 495 DEVLINK_PARAM_GENERIC_ID_MAX_MACS, 496 DEVLINK_PARAM_GENERIC_ID_ENABLE_SRIOV, 497 DEVLINK_PARAM_GENERIC_ID_REGION_SNAPSHOT, 498 DEVLINK_PARAM_GENERIC_ID_IGNORE_ARI, 499 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX, 500 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN, 501 DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY, 502 DEVLINK_PARAM_GENERIC_ID_RESET_DEV_ON_DRV_PROBE, 503 DEVLINK_PARAM_GENERIC_ID_ENABLE_ROCE, 504 DEVLINK_PARAM_GENERIC_ID_ENABLE_REMOTE_DEV_RESET, 505 DEVLINK_PARAM_GENERIC_ID_ENABLE_ETH, 506 DEVLINK_PARAM_GENERIC_ID_ENABLE_RDMA, 507 DEVLINK_PARAM_GENERIC_ID_ENABLE_VNET, 508 DEVLINK_PARAM_GENERIC_ID_ENABLE_IWARP, 509 DEVLINK_PARAM_GENERIC_ID_IO_EQ_SIZE, 510 DEVLINK_PARAM_GENERIC_ID_EVENT_EQ_SIZE, 511 512 /* add new param generic ids above here*/ 513 __DEVLINK_PARAM_GENERIC_ID_MAX, 514 DEVLINK_PARAM_GENERIC_ID_MAX = __DEVLINK_PARAM_GENERIC_ID_MAX - 1, 515 }; 516 517 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_NAME "internal_error_reset" 518 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL 519 520 #define DEVLINK_PARAM_GENERIC_MAX_MACS_NAME "max_macs" 521 #define DEVLINK_PARAM_GENERIC_MAX_MACS_TYPE DEVLINK_PARAM_TYPE_U32 522 523 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_NAME "enable_sriov" 524 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_TYPE DEVLINK_PARAM_TYPE_BOOL 525 526 #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_NAME "region_snapshot_enable" 527 #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_TYPE DEVLINK_PARAM_TYPE_BOOL 528 529 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_NAME "ignore_ari" 530 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_TYPE DEVLINK_PARAM_TYPE_BOOL 531 532 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_NAME "msix_vec_per_pf_max" 533 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_TYPE DEVLINK_PARAM_TYPE_U32 534 535 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_NAME "msix_vec_per_pf_min" 536 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_TYPE DEVLINK_PARAM_TYPE_U32 537 538 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_NAME "fw_load_policy" 539 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_TYPE DEVLINK_PARAM_TYPE_U8 540 541 #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_NAME \ 542 "reset_dev_on_drv_probe" 543 #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_TYPE DEVLINK_PARAM_TYPE_U8 544 545 #define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_NAME "enable_roce" 546 #define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_TYPE DEVLINK_PARAM_TYPE_BOOL 547 548 #define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_NAME "enable_remote_dev_reset" 549 #define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL 550 551 #define DEVLINK_PARAM_GENERIC_ENABLE_ETH_NAME "enable_eth" 552 #define DEVLINK_PARAM_GENERIC_ENABLE_ETH_TYPE DEVLINK_PARAM_TYPE_BOOL 553 554 #define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_NAME "enable_rdma" 555 #define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_TYPE DEVLINK_PARAM_TYPE_BOOL 556 557 #define DEVLINK_PARAM_GENERIC_ENABLE_VNET_NAME "enable_vnet" 558 #define DEVLINK_PARAM_GENERIC_ENABLE_VNET_TYPE DEVLINK_PARAM_TYPE_BOOL 559 560 #define DEVLINK_PARAM_GENERIC_ENABLE_IWARP_NAME "enable_iwarp" 561 #define DEVLINK_PARAM_GENERIC_ENABLE_IWARP_TYPE DEVLINK_PARAM_TYPE_BOOL 562 563 #define DEVLINK_PARAM_GENERIC_IO_EQ_SIZE_NAME "io_eq_size" 564 #define DEVLINK_PARAM_GENERIC_IO_EQ_SIZE_TYPE DEVLINK_PARAM_TYPE_U32 565 566 #define DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_NAME "event_eq_size" 567 #define DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_TYPE DEVLINK_PARAM_TYPE_U32 568 569 #define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate) \ 570 { \ 571 .id = DEVLINK_PARAM_GENERIC_ID_##_id, \ 572 .name = DEVLINK_PARAM_GENERIC_##_id##_NAME, \ 573 .type = DEVLINK_PARAM_GENERIC_##_id##_TYPE, \ 574 .generic = true, \ 575 .supported_cmodes = _cmodes, \ 576 .get = _get, \ 577 .set = _set, \ 578 .validate = _validate, \ 579 } 580 581 #define DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, _get, _set, _validate) \ 582 { \ 583 .id = _id, \ 584 .name = _name, \ 585 .type = _type, \ 586 .supported_cmodes = _cmodes, \ 587 .get = _get, \ 588 .set = _set, \ 589 .validate = _validate, \ 590 } 591 592 /* Part number, identifier of board design */ 593 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_ID "board.id" 594 /* Revision of board design */ 595 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_REV "board.rev" 596 /* Maker of the board */ 597 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_MANUFACTURE "board.manufacture" 598 599 /* Part number, identifier of asic design */ 600 #define DEVLINK_INFO_VERSION_GENERIC_ASIC_ID "asic.id" 601 /* Revision of asic design */ 602 #define DEVLINK_INFO_VERSION_GENERIC_ASIC_REV "asic.rev" 603 604 /* Overall FW version */ 605 #define DEVLINK_INFO_VERSION_GENERIC_FW "fw" 606 /* Control processor FW version */ 607 #define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT "fw.mgmt" 608 /* FW interface specification version */ 609 #define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT_API "fw.mgmt.api" 610 /* Data path microcode controlling high-speed packet processing */ 611 #define DEVLINK_INFO_VERSION_GENERIC_FW_APP "fw.app" 612 /* UNDI software version */ 613 #define DEVLINK_INFO_VERSION_GENERIC_FW_UNDI "fw.undi" 614 /* NCSI support/handler version */ 615 #define DEVLINK_INFO_VERSION_GENERIC_FW_NCSI "fw.ncsi" 616 /* FW parameter set id */ 617 #define DEVLINK_INFO_VERSION_GENERIC_FW_PSID "fw.psid" 618 /* RoCE FW version */ 619 #define DEVLINK_INFO_VERSION_GENERIC_FW_ROCE "fw.roce" 620 /* Firmware bundle identifier */ 621 #define DEVLINK_INFO_VERSION_GENERIC_FW_BUNDLE_ID "fw.bundle_id" 622 623 /** 624 * struct devlink_flash_update_params - Flash Update parameters 625 * @fw: pointer to the firmware data to update from 626 * @component: the flash component to update 627 * 628 * With the exception of fw, drivers must opt-in to parameters by 629 * setting the appropriate bit in the supported_flash_update_params field in 630 * their devlink_ops structure. 631 */ 632 struct devlink_flash_update_params { 633 const struct firmware *fw; 634 const char *component; 635 u32 overwrite_mask; 636 }; 637 638 #define DEVLINK_SUPPORT_FLASH_UPDATE_COMPONENT BIT(0) 639 #define DEVLINK_SUPPORT_FLASH_UPDATE_OVERWRITE_MASK BIT(1) 640 641 struct devlink_region; 642 643 /** 644 * struct devlink_region_ops - Region operations 645 * @name: region name 646 * @destructor: callback used to free snapshot memory when deleting 647 * @snapshot: callback to request an immediate snapshot. On success, 648 * the data variable must be updated to point to the snapshot data. 649 * The function will be called while the devlink instance lock is 650 * held. 651 * @priv: Pointer to driver private data for the region operation 652 */ 653 struct devlink_region_ops { 654 const char *name; 655 void (*destructor)(const void *data); 656 int (*snapshot)(struct devlink *devlink, 657 const struct devlink_region_ops *ops, 658 struct netlink_ext_ack *extack, 659 u8 **data); 660 void *priv; 661 }; 662 663 /** 664 * struct devlink_port_region_ops - Region operations for a port 665 * @name: region name 666 * @destructor: callback used to free snapshot memory when deleting 667 * @snapshot: callback to request an immediate snapshot. On success, 668 * the data variable must be updated to point to the snapshot data. 669 * The function will be called while the devlink instance lock is 670 * held. 671 * @priv: Pointer to driver private data for the region operation 672 */ 673 struct devlink_port_region_ops { 674 const char *name; 675 void (*destructor)(const void *data); 676 int (*snapshot)(struct devlink_port *port, 677 const struct devlink_port_region_ops *ops, 678 struct netlink_ext_ack *extack, 679 u8 **data); 680 void *priv; 681 }; 682 683 struct devlink_fmsg; 684 struct devlink_health_reporter; 685 686 enum devlink_health_reporter_state { 687 DEVLINK_HEALTH_REPORTER_STATE_HEALTHY, 688 DEVLINK_HEALTH_REPORTER_STATE_ERROR, 689 }; 690 691 /** 692 * struct devlink_health_reporter_ops - Reporter operations 693 * @name: reporter name 694 * @recover: callback to recover from reported error 695 * if priv_ctx is NULL, run a full recover 696 * @dump: callback to dump an object 697 * if priv_ctx is NULL, run a full dump 698 * @diagnose: callback to diagnose the current status 699 * @test: callback to trigger a test event 700 */ 701 702 struct devlink_health_reporter_ops { 703 char *name; 704 int (*recover)(struct devlink_health_reporter *reporter, 705 void *priv_ctx, struct netlink_ext_ack *extack); 706 int (*dump)(struct devlink_health_reporter *reporter, 707 struct devlink_fmsg *fmsg, void *priv_ctx, 708 struct netlink_ext_ack *extack); 709 int (*diagnose)(struct devlink_health_reporter *reporter, 710 struct devlink_fmsg *fmsg, 711 struct netlink_ext_ack *extack); 712 int (*test)(struct devlink_health_reporter *reporter, 713 struct netlink_ext_ack *extack); 714 }; 715 716 /** 717 * struct devlink_trap_metadata - Packet trap metadata. 718 * @trap_name: Trap name. 719 * @trap_group_name: Trap group name. 720 * @input_dev: Input netdevice. 721 * @dev_tracker: refcount tracker for @input_dev. 722 * @fa_cookie: Flow action user cookie. 723 * @trap_type: Trap type. 724 */ 725 struct devlink_trap_metadata { 726 const char *trap_name; 727 const char *trap_group_name; 728 729 struct net_device *input_dev; 730 netdevice_tracker dev_tracker; 731 732 const struct flow_action_cookie *fa_cookie; 733 enum devlink_trap_type trap_type; 734 }; 735 736 /** 737 * struct devlink_trap_policer - Immutable packet trap policer attributes. 738 * @id: Policer identifier. 739 * @init_rate: Initial rate in packets / sec. 740 * @init_burst: Initial burst size in packets. 741 * @max_rate: Maximum rate. 742 * @min_rate: Minimum rate. 743 * @max_burst: Maximum burst size. 744 * @min_burst: Minimum burst size. 745 * 746 * Describes immutable attributes of packet trap policers that drivers register 747 * with devlink. 748 */ 749 struct devlink_trap_policer { 750 u32 id; 751 u64 init_rate; 752 u64 init_burst; 753 u64 max_rate; 754 u64 min_rate; 755 u64 max_burst; 756 u64 min_burst; 757 }; 758 759 /** 760 * struct devlink_trap_group - Immutable packet trap group attributes. 761 * @name: Trap group name. 762 * @id: Trap group identifier. 763 * @generic: Whether the trap group is generic or not. 764 * @init_policer_id: Initial policer identifier. 765 * 766 * Describes immutable attributes of packet trap groups that drivers register 767 * with devlink. 768 */ 769 struct devlink_trap_group { 770 const char *name; 771 u16 id; 772 bool generic; 773 u32 init_policer_id; 774 }; 775 776 #define DEVLINK_TRAP_METADATA_TYPE_F_IN_PORT BIT(0) 777 #define DEVLINK_TRAP_METADATA_TYPE_F_FA_COOKIE BIT(1) 778 779 /** 780 * struct devlink_trap - Immutable packet trap attributes. 781 * @type: Trap type. 782 * @init_action: Initial trap action. 783 * @generic: Whether the trap is generic or not. 784 * @id: Trap identifier. 785 * @name: Trap name. 786 * @init_group_id: Initial group identifier. 787 * @metadata_cap: Metadata types that can be provided by the trap. 788 * 789 * Describes immutable attributes of packet traps that drivers register with 790 * devlink. 791 */ 792 struct devlink_trap { 793 enum devlink_trap_type type; 794 enum devlink_trap_action init_action; 795 bool generic; 796 u16 id; 797 const char *name; 798 u16 init_group_id; 799 u32 metadata_cap; 800 }; 801 802 /* All traps must be documented in 803 * Documentation/networking/devlink/devlink-trap.rst 804 */ 805 enum devlink_trap_generic_id { 806 DEVLINK_TRAP_GENERIC_ID_SMAC_MC, 807 DEVLINK_TRAP_GENERIC_ID_VLAN_TAG_MISMATCH, 808 DEVLINK_TRAP_GENERIC_ID_INGRESS_VLAN_FILTER, 809 DEVLINK_TRAP_GENERIC_ID_INGRESS_STP_FILTER, 810 DEVLINK_TRAP_GENERIC_ID_EMPTY_TX_LIST, 811 DEVLINK_TRAP_GENERIC_ID_PORT_LOOPBACK_FILTER, 812 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_ROUTE, 813 DEVLINK_TRAP_GENERIC_ID_TTL_ERROR, 814 DEVLINK_TRAP_GENERIC_ID_TAIL_DROP, 815 DEVLINK_TRAP_GENERIC_ID_NON_IP_PACKET, 816 DEVLINK_TRAP_GENERIC_ID_UC_DIP_MC_DMAC, 817 DEVLINK_TRAP_GENERIC_ID_DIP_LB, 818 DEVLINK_TRAP_GENERIC_ID_SIP_MC, 819 DEVLINK_TRAP_GENERIC_ID_SIP_LB, 820 DEVLINK_TRAP_GENERIC_ID_CORRUPTED_IP_HDR, 821 DEVLINK_TRAP_GENERIC_ID_IPV4_SIP_BC, 822 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_RESERVED_SCOPE, 823 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE, 824 DEVLINK_TRAP_GENERIC_ID_MTU_ERROR, 825 DEVLINK_TRAP_GENERIC_ID_UNRESOLVED_NEIGH, 826 DEVLINK_TRAP_GENERIC_ID_RPF, 827 DEVLINK_TRAP_GENERIC_ID_REJECT_ROUTE, 828 DEVLINK_TRAP_GENERIC_ID_IPV4_LPM_UNICAST_MISS, 829 DEVLINK_TRAP_GENERIC_ID_IPV6_LPM_UNICAST_MISS, 830 DEVLINK_TRAP_GENERIC_ID_NON_ROUTABLE, 831 DEVLINK_TRAP_GENERIC_ID_DECAP_ERROR, 832 DEVLINK_TRAP_GENERIC_ID_OVERLAY_SMAC_MC, 833 DEVLINK_TRAP_GENERIC_ID_INGRESS_FLOW_ACTION_DROP, 834 DEVLINK_TRAP_GENERIC_ID_EGRESS_FLOW_ACTION_DROP, 835 DEVLINK_TRAP_GENERIC_ID_STP, 836 DEVLINK_TRAP_GENERIC_ID_LACP, 837 DEVLINK_TRAP_GENERIC_ID_LLDP, 838 DEVLINK_TRAP_GENERIC_ID_IGMP_QUERY, 839 DEVLINK_TRAP_GENERIC_ID_IGMP_V1_REPORT, 840 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_REPORT, 841 DEVLINK_TRAP_GENERIC_ID_IGMP_V3_REPORT, 842 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_LEAVE, 843 DEVLINK_TRAP_GENERIC_ID_MLD_QUERY, 844 DEVLINK_TRAP_GENERIC_ID_MLD_V1_REPORT, 845 DEVLINK_TRAP_GENERIC_ID_MLD_V2_REPORT, 846 DEVLINK_TRAP_GENERIC_ID_MLD_V1_DONE, 847 DEVLINK_TRAP_GENERIC_ID_IPV4_DHCP, 848 DEVLINK_TRAP_GENERIC_ID_IPV6_DHCP, 849 DEVLINK_TRAP_GENERIC_ID_ARP_REQUEST, 850 DEVLINK_TRAP_GENERIC_ID_ARP_RESPONSE, 851 DEVLINK_TRAP_GENERIC_ID_ARP_OVERLAY, 852 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_SOLICIT, 853 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_ADVERT, 854 DEVLINK_TRAP_GENERIC_ID_IPV4_BFD, 855 DEVLINK_TRAP_GENERIC_ID_IPV6_BFD, 856 DEVLINK_TRAP_GENERIC_ID_IPV4_OSPF, 857 DEVLINK_TRAP_GENERIC_ID_IPV6_OSPF, 858 DEVLINK_TRAP_GENERIC_ID_IPV4_BGP, 859 DEVLINK_TRAP_GENERIC_ID_IPV6_BGP, 860 DEVLINK_TRAP_GENERIC_ID_IPV4_VRRP, 861 DEVLINK_TRAP_GENERIC_ID_IPV6_VRRP, 862 DEVLINK_TRAP_GENERIC_ID_IPV4_PIM, 863 DEVLINK_TRAP_GENERIC_ID_IPV6_PIM, 864 DEVLINK_TRAP_GENERIC_ID_UC_LB, 865 DEVLINK_TRAP_GENERIC_ID_LOCAL_ROUTE, 866 DEVLINK_TRAP_GENERIC_ID_EXTERNAL_ROUTE, 867 DEVLINK_TRAP_GENERIC_ID_IPV6_UC_DIP_LINK_LOCAL_SCOPE, 868 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_NODES, 869 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_ROUTERS, 870 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_SOLICIT, 871 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ADVERT, 872 DEVLINK_TRAP_GENERIC_ID_IPV6_REDIRECT, 873 DEVLINK_TRAP_GENERIC_ID_IPV4_ROUTER_ALERT, 874 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ALERT, 875 DEVLINK_TRAP_GENERIC_ID_PTP_EVENT, 876 DEVLINK_TRAP_GENERIC_ID_PTP_GENERAL, 877 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_SAMPLE, 878 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_TRAP, 879 DEVLINK_TRAP_GENERIC_ID_EARLY_DROP, 880 DEVLINK_TRAP_GENERIC_ID_VXLAN_PARSING, 881 DEVLINK_TRAP_GENERIC_ID_LLC_SNAP_PARSING, 882 DEVLINK_TRAP_GENERIC_ID_VLAN_PARSING, 883 DEVLINK_TRAP_GENERIC_ID_PPPOE_PPP_PARSING, 884 DEVLINK_TRAP_GENERIC_ID_MPLS_PARSING, 885 DEVLINK_TRAP_GENERIC_ID_ARP_PARSING, 886 DEVLINK_TRAP_GENERIC_ID_IP_1_PARSING, 887 DEVLINK_TRAP_GENERIC_ID_IP_N_PARSING, 888 DEVLINK_TRAP_GENERIC_ID_GRE_PARSING, 889 DEVLINK_TRAP_GENERIC_ID_UDP_PARSING, 890 DEVLINK_TRAP_GENERIC_ID_TCP_PARSING, 891 DEVLINK_TRAP_GENERIC_ID_IPSEC_PARSING, 892 DEVLINK_TRAP_GENERIC_ID_SCTP_PARSING, 893 DEVLINK_TRAP_GENERIC_ID_DCCP_PARSING, 894 DEVLINK_TRAP_GENERIC_ID_GTP_PARSING, 895 DEVLINK_TRAP_GENERIC_ID_ESP_PARSING, 896 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_NEXTHOP, 897 DEVLINK_TRAP_GENERIC_ID_DMAC_FILTER, 898 899 /* Add new generic trap IDs above */ 900 __DEVLINK_TRAP_GENERIC_ID_MAX, 901 DEVLINK_TRAP_GENERIC_ID_MAX = __DEVLINK_TRAP_GENERIC_ID_MAX - 1, 902 }; 903 904 /* All trap groups must be documented in 905 * Documentation/networking/devlink/devlink-trap.rst 906 */ 907 enum devlink_trap_group_generic_id { 908 DEVLINK_TRAP_GROUP_GENERIC_ID_L2_DROPS, 909 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_DROPS, 910 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_EXCEPTIONS, 911 DEVLINK_TRAP_GROUP_GENERIC_ID_BUFFER_DROPS, 912 DEVLINK_TRAP_GROUP_GENERIC_ID_TUNNEL_DROPS, 913 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_DROPS, 914 DEVLINK_TRAP_GROUP_GENERIC_ID_STP, 915 DEVLINK_TRAP_GROUP_GENERIC_ID_LACP, 916 DEVLINK_TRAP_GROUP_GENERIC_ID_LLDP, 917 DEVLINK_TRAP_GROUP_GENERIC_ID_MC_SNOOPING, 918 DEVLINK_TRAP_GROUP_GENERIC_ID_DHCP, 919 DEVLINK_TRAP_GROUP_GENERIC_ID_NEIGH_DISCOVERY, 920 DEVLINK_TRAP_GROUP_GENERIC_ID_BFD, 921 DEVLINK_TRAP_GROUP_GENERIC_ID_OSPF, 922 DEVLINK_TRAP_GROUP_GENERIC_ID_BGP, 923 DEVLINK_TRAP_GROUP_GENERIC_ID_VRRP, 924 DEVLINK_TRAP_GROUP_GENERIC_ID_PIM, 925 DEVLINK_TRAP_GROUP_GENERIC_ID_UC_LB, 926 DEVLINK_TRAP_GROUP_GENERIC_ID_LOCAL_DELIVERY, 927 DEVLINK_TRAP_GROUP_GENERIC_ID_EXTERNAL_DELIVERY, 928 DEVLINK_TRAP_GROUP_GENERIC_ID_IPV6, 929 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_EVENT, 930 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_GENERAL, 931 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_SAMPLE, 932 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_TRAP, 933 DEVLINK_TRAP_GROUP_GENERIC_ID_PARSER_ERROR_DROPS, 934 935 /* Add new generic trap group IDs above */ 936 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX, 937 DEVLINK_TRAP_GROUP_GENERIC_ID_MAX = 938 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX - 1, 939 }; 940 941 #define DEVLINK_TRAP_GENERIC_NAME_SMAC_MC \ 942 "source_mac_is_multicast" 943 #define DEVLINK_TRAP_GENERIC_NAME_VLAN_TAG_MISMATCH \ 944 "vlan_tag_mismatch" 945 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_VLAN_FILTER \ 946 "ingress_vlan_filter" 947 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_STP_FILTER \ 948 "ingress_spanning_tree_filter" 949 #define DEVLINK_TRAP_GENERIC_NAME_EMPTY_TX_LIST \ 950 "port_list_is_empty" 951 #define DEVLINK_TRAP_GENERIC_NAME_PORT_LOOPBACK_FILTER \ 952 "port_loopback_filter" 953 #define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_ROUTE \ 954 "blackhole_route" 955 #define DEVLINK_TRAP_GENERIC_NAME_TTL_ERROR \ 956 "ttl_value_is_too_small" 957 #define DEVLINK_TRAP_GENERIC_NAME_TAIL_DROP \ 958 "tail_drop" 959 #define DEVLINK_TRAP_GENERIC_NAME_NON_IP_PACKET \ 960 "non_ip" 961 #define DEVLINK_TRAP_GENERIC_NAME_UC_DIP_MC_DMAC \ 962 "uc_dip_over_mc_dmac" 963 #define DEVLINK_TRAP_GENERIC_NAME_DIP_LB \ 964 "dip_is_loopback_address" 965 #define DEVLINK_TRAP_GENERIC_NAME_SIP_MC \ 966 "sip_is_mc" 967 #define DEVLINK_TRAP_GENERIC_NAME_SIP_LB \ 968 "sip_is_loopback_address" 969 #define DEVLINK_TRAP_GENERIC_NAME_CORRUPTED_IP_HDR \ 970 "ip_header_corrupted" 971 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_SIP_BC \ 972 "ipv4_sip_is_limited_bc" 973 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_RESERVED_SCOPE \ 974 "ipv6_mc_dip_reserved_scope" 975 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE \ 976 "ipv6_mc_dip_interface_local_scope" 977 #define DEVLINK_TRAP_GENERIC_NAME_MTU_ERROR \ 978 "mtu_value_is_too_small" 979 #define DEVLINK_TRAP_GENERIC_NAME_UNRESOLVED_NEIGH \ 980 "unresolved_neigh" 981 #define DEVLINK_TRAP_GENERIC_NAME_RPF \ 982 "mc_reverse_path_forwarding" 983 #define DEVLINK_TRAP_GENERIC_NAME_REJECT_ROUTE \ 984 "reject_route" 985 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_LPM_UNICAST_MISS \ 986 "ipv4_lpm_miss" 987 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_LPM_UNICAST_MISS \ 988 "ipv6_lpm_miss" 989 #define DEVLINK_TRAP_GENERIC_NAME_NON_ROUTABLE \ 990 "non_routable_packet" 991 #define DEVLINK_TRAP_GENERIC_NAME_DECAP_ERROR \ 992 "decap_error" 993 #define DEVLINK_TRAP_GENERIC_NAME_OVERLAY_SMAC_MC \ 994 "overlay_smac_is_mc" 995 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_FLOW_ACTION_DROP \ 996 "ingress_flow_action_drop" 997 #define DEVLINK_TRAP_GENERIC_NAME_EGRESS_FLOW_ACTION_DROP \ 998 "egress_flow_action_drop" 999 #define DEVLINK_TRAP_GENERIC_NAME_STP \ 1000 "stp" 1001 #define DEVLINK_TRAP_GENERIC_NAME_LACP \ 1002 "lacp" 1003 #define DEVLINK_TRAP_GENERIC_NAME_LLDP \ 1004 "lldp" 1005 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_QUERY \ 1006 "igmp_query" 1007 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V1_REPORT \ 1008 "igmp_v1_report" 1009 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_REPORT \ 1010 "igmp_v2_report" 1011 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V3_REPORT \ 1012 "igmp_v3_report" 1013 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_LEAVE \ 1014 "igmp_v2_leave" 1015 #define DEVLINK_TRAP_GENERIC_NAME_MLD_QUERY \ 1016 "mld_query" 1017 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_REPORT \ 1018 "mld_v1_report" 1019 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V2_REPORT \ 1020 "mld_v2_report" 1021 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_DONE \ 1022 "mld_v1_done" 1023 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_DHCP \ 1024 "ipv4_dhcp" 1025 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DHCP \ 1026 "ipv6_dhcp" 1027 #define DEVLINK_TRAP_GENERIC_NAME_ARP_REQUEST \ 1028 "arp_request" 1029 #define DEVLINK_TRAP_GENERIC_NAME_ARP_RESPONSE \ 1030 "arp_response" 1031 #define DEVLINK_TRAP_GENERIC_NAME_ARP_OVERLAY \ 1032 "arp_overlay" 1033 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_SOLICIT \ 1034 "ipv6_neigh_solicit" 1035 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_ADVERT \ 1036 "ipv6_neigh_advert" 1037 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_BFD \ 1038 "ipv4_bfd" 1039 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_BFD \ 1040 "ipv6_bfd" 1041 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_OSPF \ 1042 "ipv4_ospf" 1043 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_OSPF \ 1044 "ipv6_ospf" 1045 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_BGP \ 1046 "ipv4_bgp" 1047 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_BGP \ 1048 "ipv6_bgp" 1049 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_VRRP \ 1050 "ipv4_vrrp" 1051 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_VRRP \ 1052 "ipv6_vrrp" 1053 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_PIM \ 1054 "ipv4_pim" 1055 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_PIM \ 1056 "ipv6_pim" 1057 #define DEVLINK_TRAP_GENERIC_NAME_UC_LB \ 1058 "uc_loopback" 1059 #define DEVLINK_TRAP_GENERIC_NAME_LOCAL_ROUTE \ 1060 "local_route" 1061 #define DEVLINK_TRAP_GENERIC_NAME_EXTERNAL_ROUTE \ 1062 "external_route" 1063 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_UC_DIP_LINK_LOCAL_SCOPE \ 1064 "ipv6_uc_dip_link_local_scope" 1065 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_NODES \ 1066 "ipv6_dip_all_nodes" 1067 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_ROUTERS \ 1068 "ipv6_dip_all_routers" 1069 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_SOLICIT \ 1070 "ipv6_router_solicit" 1071 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ADVERT \ 1072 "ipv6_router_advert" 1073 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_REDIRECT \ 1074 "ipv6_redirect" 1075 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_ROUTER_ALERT \ 1076 "ipv4_router_alert" 1077 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ALERT \ 1078 "ipv6_router_alert" 1079 #define DEVLINK_TRAP_GENERIC_NAME_PTP_EVENT \ 1080 "ptp_event" 1081 #define DEVLINK_TRAP_GENERIC_NAME_PTP_GENERAL \ 1082 "ptp_general" 1083 #define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_SAMPLE \ 1084 "flow_action_sample" 1085 #define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_TRAP \ 1086 "flow_action_trap" 1087 #define DEVLINK_TRAP_GENERIC_NAME_EARLY_DROP \ 1088 "early_drop" 1089 #define DEVLINK_TRAP_GENERIC_NAME_VXLAN_PARSING \ 1090 "vxlan_parsing" 1091 #define DEVLINK_TRAP_GENERIC_NAME_LLC_SNAP_PARSING \ 1092 "llc_snap_parsing" 1093 #define DEVLINK_TRAP_GENERIC_NAME_VLAN_PARSING \ 1094 "vlan_parsing" 1095 #define DEVLINK_TRAP_GENERIC_NAME_PPPOE_PPP_PARSING \ 1096 "pppoe_ppp_parsing" 1097 #define DEVLINK_TRAP_GENERIC_NAME_MPLS_PARSING \ 1098 "mpls_parsing" 1099 #define DEVLINK_TRAP_GENERIC_NAME_ARP_PARSING \ 1100 "arp_parsing" 1101 #define DEVLINK_TRAP_GENERIC_NAME_IP_1_PARSING \ 1102 "ip_1_parsing" 1103 #define DEVLINK_TRAP_GENERIC_NAME_IP_N_PARSING \ 1104 "ip_n_parsing" 1105 #define DEVLINK_TRAP_GENERIC_NAME_GRE_PARSING \ 1106 "gre_parsing" 1107 #define DEVLINK_TRAP_GENERIC_NAME_UDP_PARSING \ 1108 "udp_parsing" 1109 #define DEVLINK_TRAP_GENERIC_NAME_TCP_PARSING \ 1110 "tcp_parsing" 1111 #define DEVLINK_TRAP_GENERIC_NAME_IPSEC_PARSING \ 1112 "ipsec_parsing" 1113 #define DEVLINK_TRAP_GENERIC_NAME_SCTP_PARSING \ 1114 "sctp_parsing" 1115 #define DEVLINK_TRAP_GENERIC_NAME_DCCP_PARSING \ 1116 "dccp_parsing" 1117 #define DEVLINK_TRAP_GENERIC_NAME_GTP_PARSING \ 1118 "gtp_parsing" 1119 #define DEVLINK_TRAP_GENERIC_NAME_ESP_PARSING \ 1120 "esp_parsing" 1121 #define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_NEXTHOP \ 1122 "blackhole_nexthop" 1123 #define DEVLINK_TRAP_GENERIC_NAME_DMAC_FILTER \ 1124 "dmac_filter" 1125 1126 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L2_DROPS \ 1127 "l2_drops" 1128 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_DROPS \ 1129 "l3_drops" 1130 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_EXCEPTIONS \ 1131 "l3_exceptions" 1132 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BUFFER_DROPS \ 1133 "buffer_drops" 1134 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_TUNNEL_DROPS \ 1135 "tunnel_drops" 1136 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_DROPS \ 1137 "acl_drops" 1138 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_STP \ 1139 "stp" 1140 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LACP \ 1141 "lacp" 1142 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LLDP \ 1143 "lldp" 1144 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_MC_SNOOPING \ 1145 "mc_snooping" 1146 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_DHCP \ 1147 "dhcp" 1148 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_NEIGH_DISCOVERY \ 1149 "neigh_discovery" 1150 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BFD \ 1151 "bfd" 1152 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_OSPF \ 1153 "ospf" 1154 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BGP \ 1155 "bgp" 1156 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_VRRP \ 1157 "vrrp" 1158 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PIM \ 1159 "pim" 1160 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_UC_LB \ 1161 "uc_loopback" 1162 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LOCAL_DELIVERY \ 1163 "local_delivery" 1164 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_EXTERNAL_DELIVERY \ 1165 "external_delivery" 1166 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_IPV6 \ 1167 "ipv6" 1168 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_EVENT \ 1169 "ptp_event" 1170 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_GENERAL \ 1171 "ptp_general" 1172 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_SAMPLE \ 1173 "acl_sample" 1174 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_TRAP \ 1175 "acl_trap" 1176 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PARSER_ERROR_DROPS \ 1177 "parser_error_drops" 1178 1179 #define DEVLINK_TRAP_GENERIC(_type, _init_action, _id, _group_id, \ 1180 _metadata_cap) \ 1181 { \ 1182 .type = DEVLINK_TRAP_TYPE_##_type, \ 1183 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \ 1184 .generic = true, \ 1185 .id = DEVLINK_TRAP_GENERIC_ID_##_id, \ 1186 .name = DEVLINK_TRAP_GENERIC_NAME_##_id, \ 1187 .init_group_id = _group_id, \ 1188 .metadata_cap = _metadata_cap, \ 1189 } 1190 1191 #define DEVLINK_TRAP_DRIVER(_type, _init_action, _id, _name, _group_id, \ 1192 _metadata_cap) \ 1193 { \ 1194 .type = DEVLINK_TRAP_TYPE_##_type, \ 1195 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \ 1196 .generic = false, \ 1197 .id = _id, \ 1198 .name = _name, \ 1199 .init_group_id = _group_id, \ 1200 .metadata_cap = _metadata_cap, \ 1201 } 1202 1203 #define DEVLINK_TRAP_GROUP_GENERIC(_id, _policer_id) \ 1204 { \ 1205 .name = DEVLINK_TRAP_GROUP_GENERIC_NAME_##_id, \ 1206 .id = DEVLINK_TRAP_GROUP_GENERIC_ID_##_id, \ 1207 .generic = true, \ 1208 .init_policer_id = _policer_id, \ 1209 } 1210 1211 #define DEVLINK_TRAP_POLICER(_id, _rate, _burst, _max_rate, _min_rate, \ 1212 _max_burst, _min_burst) \ 1213 { \ 1214 .id = _id, \ 1215 .init_rate = _rate, \ 1216 .init_burst = _burst, \ 1217 .max_rate = _max_rate, \ 1218 .min_rate = _min_rate, \ 1219 .max_burst = _max_burst, \ 1220 .min_burst = _min_burst, \ 1221 } 1222 1223 enum { 1224 /* device supports reload operations */ 1225 DEVLINK_F_RELOAD = 1UL << 0, 1226 }; 1227 1228 struct devlink_ops { 1229 /** 1230 * @supported_flash_update_params: 1231 * mask of parameters supported by the driver's .flash_update 1232 * implemementation. 1233 */ 1234 u32 supported_flash_update_params; 1235 unsigned long reload_actions; 1236 unsigned long reload_limits; 1237 int (*reload_down)(struct devlink *devlink, bool netns_change, 1238 enum devlink_reload_action action, 1239 enum devlink_reload_limit limit, 1240 struct netlink_ext_ack *extack); 1241 int (*reload_up)(struct devlink *devlink, enum devlink_reload_action action, 1242 enum devlink_reload_limit limit, u32 *actions_performed, 1243 struct netlink_ext_ack *extack); 1244 int (*port_type_set)(struct devlink_port *devlink_port, 1245 enum devlink_port_type port_type); 1246 int (*port_split)(struct devlink *devlink, struct devlink_port *port, 1247 unsigned int count, struct netlink_ext_ack *extack); 1248 int (*port_unsplit)(struct devlink *devlink, struct devlink_port *port, 1249 struct netlink_ext_ack *extack); 1250 int (*sb_pool_get)(struct devlink *devlink, unsigned int sb_index, 1251 u16 pool_index, 1252 struct devlink_sb_pool_info *pool_info); 1253 int (*sb_pool_set)(struct devlink *devlink, unsigned int sb_index, 1254 u16 pool_index, u32 size, 1255 enum devlink_sb_threshold_type threshold_type, 1256 struct netlink_ext_ack *extack); 1257 int (*sb_port_pool_get)(struct devlink_port *devlink_port, 1258 unsigned int sb_index, u16 pool_index, 1259 u32 *p_threshold); 1260 int (*sb_port_pool_set)(struct devlink_port *devlink_port, 1261 unsigned int sb_index, u16 pool_index, 1262 u32 threshold, struct netlink_ext_ack *extack); 1263 int (*sb_tc_pool_bind_get)(struct devlink_port *devlink_port, 1264 unsigned int sb_index, 1265 u16 tc_index, 1266 enum devlink_sb_pool_type pool_type, 1267 u16 *p_pool_index, u32 *p_threshold); 1268 int (*sb_tc_pool_bind_set)(struct devlink_port *devlink_port, 1269 unsigned int sb_index, 1270 u16 tc_index, 1271 enum devlink_sb_pool_type pool_type, 1272 u16 pool_index, u32 threshold, 1273 struct netlink_ext_ack *extack); 1274 int (*sb_occ_snapshot)(struct devlink *devlink, 1275 unsigned int sb_index); 1276 int (*sb_occ_max_clear)(struct devlink *devlink, 1277 unsigned int sb_index); 1278 int (*sb_occ_port_pool_get)(struct devlink_port *devlink_port, 1279 unsigned int sb_index, u16 pool_index, 1280 u32 *p_cur, u32 *p_max); 1281 int (*sb_occ_tc_port_bind_get)(struct devlink_port *devlink_port, 1282 unsigned int sb_index, 1283 u16 tc_index, 1284 enum devlink_sb_pool_type pool_type, 1285 u32 *p_cur, u32 *p_max); 1286 1287 int (*eswitch_mode_get)(struct devlink *devlink, u16 *p_mode); 1288 int (*eswitch_mode_set)(struct devlink *devlink, u16 mode, 1289 struct netlink_ext_ack *extack); 1290 int (*eswitch_inline_mode_get)(struct devlink *devlink, u8 *p_inline_mode); 1291 int (*eswitch_inline_mode_set)(struct devlink *devlink, u8 inline_mode, 1292 struct netlink_ext_ack *extack); 1293 int (*eswitch_encap_mode_get)(struct devlink *devlink, 1294 enum devlink_eswitch_encap_mode *p_encap_mode); 1295 int (*eswitch_encap_mode_set)(struct devlink *devlink, 1296 enum devlink_eswitch_encap_mode encap_mode, 1297 struct netlink_ext_ack *extack); 1298 int (*info_get)(struct devlink *devlink, struct devlink_info_req *req, 1299 struct netlink_ext_ack *extack); 1300 /** 1301 * @flash_update: Device flash update function 1302 * 1303 * Used to perform a flash update for the device. The set of 1304 * parameters supported by the driver should be set in 1305 * supported_flash_update_params. 1306 */ 1307 int (*flash_update)(struct devlink *devlink, 1308 struct devlink_flash_update_params *params, 1309 struct netlink_ext_ack *extack); 1310 /** 1311 * @trap_init: Trap initialization function. 1312 * 1313 * Should be used by device drivers to initialize the trap in the 1314 * underlying device. Drivers should also store the provided trap 1315 * context, so that they could efficiently pass it to 1316 * devlink_trap_report() when the trap is triggered. 1317 */ 1318 int (*trap_init)(struct devlink *devlink, 1319 const struct devlink_trap *trap, void *trap_ctx); 1320 /** 1321 * @trap_fini: Trap de-initialization function. 1322 * 1323 * Should be used by device drivers to de-initialize the trap in the 1324 * underlying device. 1325 */ 1326 void (*trap_fini)(struct devlink *devlink, 1327 const struct devlink_trap *trap, void *trap_ctx); 1328 /** 1329 * @trap_action_set: Trap action set function. 1330 */ 1331 int (*trap_action_set)(struct devlink *devlink, 1332 const struct devlink_trap *trap, 1333 enum devlink_trap_action action, 1334 struct netlink_ext_ack *extack); 1335 /** 1336 * @trap_group_init: Trap group initialization function. 1337 * 1338 * Should be used by device drivers to initialize the trap group in the 1339 * underlying device. 1340 */ 1341 int (*trap_group_init)(struct devlink *devlink, 1342 const struct devlink_trap_group *group); 1343 /** 1344 * @trap_group_set: Trap group parameters set function. 1345 * 1346 * Note: @policer can be NULL when a policer is being unbound from 1347 * @group. 1348 */ 1349 int (*trap_group_set)(struct devlink *devlink, 1350 const struct devlink_trap_group *group, 1351 const struct devlink_trap_policer *policer, 1352 struct netlink_ext_ack *extack); 1353 /** 1354 * @trap_group_action_set: Trap group action set function. 1355 * 1356 * If this callback is populated, it will take precedence over looping 1357 * over all traps in a group and calling .trap_action_set(). 1358 */ 1359 int (*trap_group_action_set)(struct devlink *devlink, 1360 const struct devlink_trap_group *group, 1361 enum devlink_trap_action action, 1362 struct netlink_ext_ack *extack); 1363 /** 1364 * @trap_drop_counter_get: Trap drop counter get function. 1365 * 1366 * Should be used by device drivers to report number of packets 1367 * that have been dropped, and cannot be passed to the devlink 1368 * subsystem by the underlying device. 1369 */ 1370 int (*trap_drop_counter_get)(struct devlink *devlink, 1371 const struct devlink_trap *trap, 1372 u64 *p_drops); 1373 /** 1374 * @trap_policer_init: Trap policer initialization function. 1375 * 1376 * Should be used by device drivers to initialize the trap policer in 1377 * the underlying device. 1378 */ 1379 int (*trap_policer_init)(struct devlink *devlink, 1380 const struct devlink_trap_policer *policer); 1381 /** 1382 * @trap_policer_fini: Trap policer de-initialization function. 1383 * 1384 * Should be used by device drivers to de-initialize the trap policer 1385 * in the underlying device. 1386 */ 1387 void (*trap_policer_fini)(struct devlink *devlink, 1388 const struct devlink_trap_policer *policer); 1389 /** 1390 * @trap_policer_set: Trap policer parameters set function. 1391 */ 1392 int (*trap_policer_set)(struct devlink *devlink, 1393 const struct devlink_trap_policer *policer, 1394 u64 rate, u64 burst, 1395 struct netlink_ext_ack *extack); 1396 /** 1397 * @trap_policer_counter_get: Trap policer counter get function. 1398 * 1399 * Should be used by device drivers to report number of packets dropped 1400 * by the policer. 1401 */ 1402 int (*trap_policer_counter_get)(struct devlink *devlink, 1403 const struct devlink_trap_policer *policer, 1404 u64 *p_drops); 1405 /** 1406 * @port_function_hw_addr_get: Port function's hardware address get function. 1407 * 1408 * Should be used by device drivers to report the hardware address of a function managed 1409 * by the devlink port. Driver should return -EOPNOTSUPP if it doesn't support port 1410 * function handling for a particular port. 1411 * 1412 * Note: @extack can be NULL when port notifier queries the port function. 1413 */ 1414 int (*port_function_hw_addr_get)(struct devlink_port *port, u8 *hw_addr, 1415 int *hw_addr_len, 1416 struct netlink_ext_ack *extack); 1417 /** 1418 * @port_function_hw_addr_set: Port function's hardware address set function. 1419 * 1420 * Should be used by device drivers to set the hardware address of a function managed 1421 * by the devlink port. Driver should return -EOPNOTSUPP if it doesn't support port 1422 * function handling for a particular port. 1423 */ 1424 int (*port_function_hw_addr_set)(struct devlink_port *port, 1425 const u8 *hw_addr, int hw_addr_len, 1426 struct netlink_ext_ack *extack); 1427 /** 1428 * port_new() - Add a new port function of a specified flavor 1429 * @devlink: Devlink instance 1430 * @attrs: attributes of the new port 1431 * @extack: extack for reporting error messages 1432 * @new_port_index: index of the new port 1433 * 1434 * Devlink core will call this device driver function upon user request 1435 * to create a new port function of a specified flavor and optional 1436 * attributes 1437 * 1438 * Notes: 1439 * - Called without devlink instance lock being held. Drivers must 1440 * implement own means of synchronization 1441 * - On success, drivers must register a port with devlink core 1442 * 1443 * Return: 0 on success, negative value otherwise. 1444 */ 1445 int (*port_new)(struct devlink *devlink, 1446 const struct devlink_port_new_attrs *attrs, 1447 struct netlink_ext_ack *extack, 1448 unsigned int *new_port_index); 1449 /** 1450 * port_del() - Delete a port function 1451 * @devlink: Devlink instance 1452 * @port_index: port function index to delete 1453 * @extack: extack for reporting error messages 1454 * 1455 * Devlink core will call this device driver function upon user request 1456 * to delete a previously created port function 1457 * 1458 * Notes: 1459 * - Called without devlink instance lock being held. Drivers must 1460 * implement own means of synchronization 1461 * - On success, drivers must unregister the corresponding devlink 1462 * port 1463 * 1464 * Return: 0 on success, negative value otherwise. 1465 */ 1466 int (*port_del)(struct devlink *devlink, unsigned int port_index, 1467 struct netlink_ext_ack *extack); 1468 /** 1469 * port_fn_state_get() - Get the state of a port function 1470 * @devlink: Devlink instance 1471 * @port: The devlink port 1472 * @state: Admin configured state 1473 * @opstate: Current operational state 1474 * @extack: extack for reporting error messages 1475 * 1476 * Reports the admin and operational state of a devlink port function 1477 * 1478 * Return: 0 on success, negative value otherwise. 1479 */ 1480 int (*port_fn_state_get)(struct devlink_port *port, 1481 enum devlink_port_fn_state *state, 1482 enum devlink_port_fn_opstate *opstate, 1483 struct netlink_ext_ack *extack); 1484 /** 1485 * port_fn_state_set() - Set the admin state of a port function 1486 * @devlink: Devlink instance 1487 * @port: The devlink port 1488 * @state: Admin state 1489 * @extack: extack for reporting error messages 1490 * 1491 * Set the admin state of a devlink port function 1492 * 1493 * Return: 0 on success, negative value otherwise. 1494 */ 1495 int (*port_fn_state_set)(struct devlink_port *port, 1496 enum devlink_port_fn_state state, 1497 struct netlink_ext_ack *extack); 1498 1499 /** 1500 * Rate control callbacks. 1501 */ 1502 int (*rate_leaf_tx_share_set)(struct devlink_rate *devlink_rate, void *priv, 1503 u64 tx_share, struct netlink_ext_ack *extack); 1504 int (*rate_leaf_tx_max_set)(struct devlink_rate *devlink_rate, void *priv, 1505 u64 tx_max, struct netlink_ext_ack *extack); 1506 int (*rate_node_tx_share_set)(struct devlink_rate *devlink_rate, void *priv, 1507 u64 tx_share, struct netlink_ext_ack *extack); 1508 int (*rate_node_tx_max_set)(struct devlink_rate *devlink_rate, void *priv, 1509 u64 tx_max, struct netlink_ext_ack *extack); 1510 int (*rate_node_new)(struct devlink_rate *rate_node, void **priv, 1511 struct netlink_ext_ack *extack); 1512 int (*rate_node_del)(struct devlink_rate *rate_node, void *priv, 1513 struct netlink_ext_ack *extack); 1514 int (*rate_leaf_parent_set)(struct devlink_rate *child, 1515 struct devlink_rate *parent, 1516 void *priv_child, void *priv_parent, 1517 struct netlink_ext_ack *extack); 1518 int (*rate_node_parent_set)(struct devlink_rate *child, 1519 struct devlink_rate *parent, 1520 void *priv_child, void *priv_parent, 1521 struct netlink_ext_ack *extack); 1522 }; 1523 1524 void *devlink_priv(struct devlink *devlink); 1525 struct devlink *priv_to_devlink(void *priv); 1526 struct device *devlink_to_dev(const struct devlink *devlink); 1527 1528 /* Devlink instance explicit locking */ 1529 void devl_lock(struct devlink *devlink); 1530 void devl_unlock(struct devlink *devlink); 1531 void devl_assert_locked(struct devlink *devlink); 1532 bool devl_lock_is_held(struct devlink *devlink); 1533 1534 int devl_port_register(struct devlink *devlink, 1535 struct devlink_port *devlink_port, 1536 unsigned int port_index); 1537 void devl_port_unregister(struct devlink_port *devlink_port); 1538 1539 int devl_rate_leaf_create(struct devlink_port *port, void *priv); 1540 void devl_rate_leaf_destroy(struct devlink_port *devlink_port); 1541 void devl_rate_nodes_destroy(struct devlink *devlink); 1542 1543 struct ib_device; 1544 1545 struct net *devlink_net(const struct devlink *devlink); 1546 /* This call is intended for software devices that can create 1547 * devlink instances in other namespaces than init_net. 1548 * 1549 * Drivers that operate on real HW must use devlink_alloc() instead. 1550 */ 1551 struct devlink *devlink_alloc_ns(const struct devlink_ops *ops, 1552 size_t priv_size, struct net *net, 1553 struct device *dev); 1554 static inline struct devlink *devlink_alloc(const struct devlink_ops *ops, 1555 size_t priv_size, 1556 struct device *dev) 1557 { 1558 return devlink_alloc_ns(ops, priv_size, &init_net, dev); 1559 } 1560 void devlink_set_features(struct devlink *devlink, u64 features); 1561 void devlink_register(struct devlink *devlink); 1562 void devlink_unregister(struct devlink *devlink); 1563 void devlink_free(struct devlink *devlink); 1564 int devlink_port_register(struct devlink *devlink, 1565 struct devlink_port *devlink_port, 1566 unsigned int port_index); 1567 void devlink_port_unregister(struct devlink_port *devlink_port); 1568 void devlink_port_type_eth_set(struct devlink_port *devlink_port, 1569 struct net_device *netdev); 1570 void devlink_port_type_ib_set(struct devlink_port *devlink_port, 1571 struct ib_device *ibdev); 1572 void devlink_port_type_clear(struct devlink_port *devlink_port); 1573 void devlink_port_attrs_set(struct devlink_port *devlink_port, 1574 struct devlink_port_attrs *devlink_port_attrs); 1575 void devlink_port_attrs_pci_pf_set(struct devlink_port *devlink_port, u32 controller, 1576 u16 pf, bool external); 1577 void devlink_port_attrs_pci_vf_set(struct devlink_port *devlink_port, u32 controller, 1578 u16 pf, u16 vf, bool external); 1579 void devlink_port_attrs_pci_sf_set(struct devlink_port *devlink_port, 1580 u32 controller, u16 pf, u32 sf, 1581 bool external); 1582 int devlink_rate_leaf_create(struct devlink_port *port, void *priv); 1583 void devlink_rate_leaf_destroy(struct devlink_port *devlink_port); 1584 void devlink_rate_nodes_destroy(struct devlink *devlink); 1585 void devlink_port_linecard_set(struct devlink_port *devlink_port, 1586 struct devlink_linecard *linecard); 1587 struct devlink_linecard * 1588 devlink_linecard_create(struct devlink *devlink, unsigned int linecard_index, 1589 const struct devlink_linecard_ops *ops, void *priv); 1590 void devlink_linecard_destroy(struct devlink_linecard *linecard); 1591 struct devlink_linecard_device * 1592 devlink_linecard_device_create(struct devlink_linecard *linecard, 1593 unsigned int device_index, void *priv); 1594 void 1595 devlink_linecard_device_destroy(struct devlink_linecard *linecard, 1596 struct devlink_linecard_device *linecard_device); 1597 void devlink_linecard_provision_set(struct devlink_linecard *linecard, 1598 const char *type); 1599 void devlink_linecard_provision_clear(struct devlink_linecard *linecard); 1600 void devlink_linecard_provision_fail(struct devlink_linecard *linecard); 1601 void devlink_linecard_activate(struct devlink_linecard *linecard); 1602 void devlink_linecard_deactivate(struct devlink_linecard *linecard); 1603 int devlink_sb_register(struct devlink *devlink, unsigned int sb_index, 1604 u32 size, u16 ingress_pools_count, 1605 u16 egress_pools_count, u16 ingress_tc_count, 1606 u16 egress_tc_count); 1607 void devlink_sb_unregister(struct devlink *devlink, unsigned int sb_index); 1608 int devlink_dpipe_table_register(struct devlink *devlink, 1609 const char *table_name, 1610 struct devlink_dpipe_table_ops *table_ops, 1611 void *priv, bool counter_control_extern); 1612 void devlink_dpipe_table_unregister(struct devlink *devlink, 1613 const char *table_name); 1614 int devlink_dpipe_headers_register(struct devlink *devlink, 1615 struct devlink_dpipe_headers *dpipe_headers); 1616 void devlink_dpipe_headers_unregister(struct devlink *devlink); 1617 bool devlink_dpipe_table_counter_enabled(struct devlink *devlink, 1618 const char *table_name); 1619 int devlink_dpipe_entry_ctx_prepare(struct devlink_dpipe_dump_ctx *dump_ctx); 1620 int devlink_dpipe_entry_ctx_append(struct devlink_dpipe_dump_ctx *dump_ctx, 1621 struct devlink_dpipe_entry *entry); 1622 int devlink_dpipe_entry_ctx_close(struct devlink_dpipe_dump_ctx *dump_ctx); 1623 void devlink_dpipe_entry_clear(struct devlink_dpipe_entry *entry); 1624 int devlink_dpipe_action_put(struct sk_buff *skb, 1625 struct devlink_dpipe_action *action); 1626 int devlink_dpipe_match_put(struct sk_buff *skb, 1627 struct devlink_dpipe_match *match); 1628 extern struct devlink_dpipe_header devlink_dpipe_header_ethernet; 1629 extern struct devlink_dpipe_header devlink_dpipe_header_ipv4; 1630 extern struct devlink_dpipe_header devlink_dpipe_header_ipv6; 1631 1632 int devlink_resource_register(struct devlink *devlink, 1633 const char *resource_name, 1634 u64 resource_size, 1635 u64 resource_id, 1636 u64 parent_resource_id, 1637 const struct devlink_resource_size_params *size_params); 1638 void devlink_resources_unregister(struct devlink *devlink); 1639 int devlink_resource_size_get(struct devlink *devlink, 1640 u64 resource_id, 1641 u64 *p_resource_size); 1642 int devlink_dpipe_table_resource_set(struct devlink *devlink, 1643 const char *table_name, u64 resource_id, 1644 u64 resource_units); 1645 void devlink_resource_occ_get_register(struct devlink *devlink, 1646 u64 resource_id, 1647 devlink_resource_occ_get_t *occ_get, 1648 void *occ_get_priv); 1649 void devlink_resource_occ_get_unregister(struct devlink *devlink, 1650 u64 resource_id); 1651 int devlink_params_register(struct devlink *devlink, 1652 const struct devlink_param *params, 1653 size_t params_count); 1654 void devlink_params_unregister(struct devlink *devlink, 1655 const struct devlink_param *params, 1656 size_t params_count); 1657 int devlink_param_register(struct devlink *devlink, 1658 const struct devlink_param *param); 1659 void devlink_param_unregister(struct devlink *devlink, 1660 const struct devlink_param *param); 1661 int devlink_param_driverinit_value_get(struct devlink *devlink, u32 param_id, 1662 union devlink_param_value *init_val); 1663 int devlink_param_driverinit_value_set(struct devlink *devlink, u32 param_id, 1664 union devlink_param_value init_val); 1665 void devlink_param_value_changed(struct devlink *devlink, u32 param_id); 1666 struct devlink_region * 1667 devlink_region_create(struct devlink *devlink, 1668 const struct devlink_region_ops *ops, 1669 u32 region_max_snapshots, u64 region_size); 1670 struct devlink_region * 1671 devlink_port_region_create(struct devlink_port *port, 1672 const struct devlink_port_region_ops *ops, 1673 u32 region_max_snapshots, u64 region_size); 1674 void devlink_region_destroy(struct devlink_region *region); 1675 void devlink_port_region_destroy(struct devlink_region *region); 1676 1677 int devlink_region_snapshot_id_get(struct devlink *devlink, u32 *id); 1678 void devlink_region_snapshot_id_put(struct devlink *devlink, u32 id); 1679 int devlink_region_snapshot_create(struct devlink_region *region, 1680 u8 *data, u32 snapshot_id); 1681 int devlink_info_serial_number_put(struct devlink_info_req *req, 1682 const char *sn); 1683 int devlink_info_driver_name_put(struct devlink_info_req *req, 1684 const char *name); 1685 int devlink_info_board_serial_number_put(struct devlink_info_req *req, 1686 const char *bsn); 1687 int devlink_info_version_fixed_put(struct devlink_info_req *req, 1688 const char *version_name, 1689 const char *version_value); 1690 int devlink_info_version_stored_put(struct devlink_info_req *req, 1691 const char *version_name, 1692 const char *version_value); 1693 int devlink_info_version_running_put(struct devlink_info_req *req, 1694 const char *version_name, 1695 const char *version_value); 1696 1697 int devlink_fmsg_obj_nest_start(struct devlink_fmsg *fmsg); 1698 int devlink_fmsg_obj_nest_end(struct devlink_fmsg *fmsg); 1699 1700 int devlink_fmsg_pair_nest_start(struct devlink_fmsg *fmsg, const char *name); 1701 int devlink_fmsg_pair_nest_end(struct devlink_fmsg *fmsg); 1702 1703 int devlink_fmsg_arr_pair_nest_start(struct devlink_fmsg *fmsg, 1704 const char *name); 1705 int devlink_fmsg_arr_pair_nest_end(struct devlink_fmsg *fmsg); 1706 int devlink_fmsg_binary_pair_nest_start(struct devlink_fmsg *fmsg, 1707 const char *name); 1708 int devlink_fmsg_binary_pair_nest_end(struct devlink_fmsg *fmsg); 1709 1710 int devlink_fmsg_u32_put(struct devlink_fmsg *fmsg, u32 value); 1711 int devlink_fmsg_string_put(struct devlink_fmsg *fmsg, const char *value); 1712 int devlink_fmsg_binary_put(struct devlink_fmsg *fmsg, const void *value, 1713 u16 value_len); 1714 1715 int devlink_fmsg_bool_pair_put(struct devlink_fmsg *fmsg, const char *name, 1716 bool value); 1717 int devlink_fmsg_u8_pair_put(struct devlink_fmsg *fmsg, const char *name, 1718 u8 value); 1719 int devlink_fmsg_u32_pair_put(struct devlink_fmsg *fmsg, const char *name, 1720 u32 value); 1721 int devlink_fmsg_u64_pair_put(struct devlink_fmsg *fmsg, const char *name, 1722 u64 value); 1723 int devlink_fmsg_string_pair_put(struct devlink_fmsg *fmsg, const char *name, 1724 const char *value); 1725 int devlink_fmsg_binary_pair_put(struct devlink_fmsg *fmsg, const char *name, 1726 const void *value, u32 value_len); 1727 1728 struct devlink_health_reporter * 1729 devlink_health_reporter_create(struct devlink *devlink, 1730 const struct devlink_health_reporter_ops *ops, 1731 u64 graceful_period, void *priv); 1732 1733 struct devlink_health_reporter * 1734 devlink_port_health_reporter_create(struct devlink_port *port, 1735 const struct devlink_health_reporter_ops *ops, 1736 u64 graceful_period, void *priv); 1737 1738 void 1739 devlink_health_reporter_destroy(struct devlink_health_reporter *reporter); 1740 1741 void 1742 devlink_port_health_reporter_destroy(struct devlink_health_reporter *reporter); 1743 1744 void * 1745 devlink_health_reporter_priv(struct devlink_health_reporter *reporter); 1746 int devlink_health_report(struct devlink_health_reporter *reporter, 1747 const char *msg, void *priv_ctx); 1748 void 1749 devlink_health_reporter_state_update(struct devlink_health_reporter *reporter, 1750 enum devlink_health_reporter_state state); 1751 void 1752 devlink_health_reporter_recovery_done(struct devlink_health_reporter *reporter); 1753 1754 bool devlink_is_reload_failed(const struct devlink *devlink); 1755 void devlink_remote_reload_actions_performed(struct devlink *devlink, 1756 enum devlink_reload_limit limit, 1757 u32 actions_performed); 1758 1759 void devlink_flash_update_status_notify(struct devlink *devlink, 1760 const char *status_msg, 1761 const char *component, 1762 unsigned long done, 1763 unsigned long total); 1764 void devlink_flash_update_timeout_notify(struct devlink *devlink, 1765 const char *status_msg, 1766 const char *component, 1767 unsigned long timeout); 1768 1769 int devlink_traps_register(struct devlink *devlink, 1770 const struct devlink_trap *traps, 1771 size_t traps_count, void *priv); 1772 void devlink_traps_unregister(struct devlink *devlink, 1773 const struct devlink_trap *traps, 1774 size_t traps_count); 1775 void devlink_trap_report(struct devlink *devlink, struct sk_buff *skb, 1776 void *trap_ctx, struct devlink_port *in_devlink_port, 1777 const struct flow_action_cookie *fa_cookie); 1778 void *devlink_trap_ctx_priv(void *trap_ctx); 1779 int devlink_trap_groups_register(struct devlink *devlink, 1780 const struct devlink_trap_group *groups, 1781 size_t groups_count); 1782 void devlink_trap_groups_unregister(struct devlink *devlink, 1783 const struct devlink_trap_group *groups, 1784 size_t groups_count); 1785 int 1786 devlink_trap_policers_register(struct devlink *devlink, 1787 const struct devlink_trap_policer *policers, 1788 size_t policers_count); 1789 void 1790 devlink_trap_policers_unregister(struct devlink *devlink, 1791 const struct devlink_trap_policer *policers, 1792 size_t policers_count); 1793 1794 #if IS_ENABLED(CONFIG_NET_DEVLINK) 1795 1796 struct devlink *__must_check devlink_try_get(struct devlink *devlink); 1797 void devlink_put(struct devlink *devlink); 1798 1799 void devlink_compat_running_version(struct devlink *devlink, 1800 char *buf, size_t len); 1801 int devlink_compat_flash_update(struct devlink *devlink, const char *file_name); 1802 int devlink_compat_phys_port_name_get(struct net_device *dev, 1803 char *name, size_t len); 1804 int devlink_compat_switch_id_get(struct net_device *dev, 1805 struct netdev_phys_item_id *ppid); 1806 1807 #else 1808 1809 static inline struct devlink *devlink_try_get(struct devlink *devlink) 1810 { 1811 return NULL; 1812 } 1813 1814 static inline void devlink_put(struct devlink *devlink) 1815 { 1816 } 1817 1818 static inline void 1819 devlink_compat_running_version(struct devlink *devlink, char *buf, size_t len) 1820 { 1821 } 1822 1823 static inline int 1824 devlink_compat_flash_update(struct devlink *devlink, const char *file_name) 1825 { 1826 return -EOPNOTSUPP; 1827 } 1828 1829 static inline int 1830 devlink_compat_phys_port_name_get(struct net_device *dev, 1831 char *name, size_t len) 1832 { 1833 return -EOPNOTSUPP; 1834 } 1835 1836 static inline int 1837 devlink_compat_switch_id_get(struct net_device *dev, 1838 struct netdev_phys_item_id *ppid) 1839 { 1840 return -EOPNOTSUPP; 1841 } 1842 1843 #endif 1844 1845 #endif /* _NET_DEVLINK_H_ */ 1846