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 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 u32 tx_priority; 119 u32 tx_weight; 120 }; 121 122 struct devlink_port { 123 struct list_head list; 124 struct list_head region_list; 125 struct devlink *devlink; 126 const struct devlink_port_ops *ops; 127 unsigned int index; 128 spinlock_t type_lock; /* Protects type and type_eth/ib 129 * structures consistency. 130 */ 131 enum devlink_port_type type; 132 enum devlink_port_type desired_type; 133 union { 134 struct { 135 struct net_device *netdev; 136 int ifindex; 137 char ifname[IFNAMSIZ]; 138 } type_eth; 139 struct { 140 struct ib_device *ibdev; 141 } type_ib; 142 }; 143 struct devlink_port_attrs attrs; 144 u8 attrs_set:1, 145 switch_port:1, 146 registered:1, 147 initialized:1; 148 struct delayed_work type_warn_dw; 149 struct list_head reporter_list; 150 151 struct devlink_rate *devlink_rate; 152 struct devlink_linecard *linecard; 153 u32 rel_index; 154 }; 155 156 struct devlink_port_new_attrs { 157 enum devlink_port_flavour flavour; 158 unsigned int port_index; 159 u32 controller; 160 u32 sfnum; 161 u16 pfnum; 162 u8 port_index_valid:1, 163 controller_valid:1, 164 sfnum_valid:1; 165 }; 166 167 /** 168 * struct devlink_linecard_ops - Linecard operations 169 * @provision: callback to provision the linecard slot with certain 170 * type of linecard. As a result of this operation, 171 * driver is expected to eventually (could be after 172 * the function call returns) call one of: 173 * devlink_linecard_provision_set() 174 * devlink_linecard_provision_fail() 175 * @unprovision: callback to unprovision the linecard slot. As a result 176 * of this operation, driver is expected to eventually 177 * (could be after the function call returns) call 178 * devlink_linecard_provision_clear() 179 * devlink_linecard_provision_fail() 180 * @same_provision: callback to ask the driver if linecard is already 181 * provisioned in the same way user asks this linecard to be 182 * provisioned. 183 * @types_count: callback to get number of supported types 184 * @types_get: callback to get next type in list 185 */ 186 struct devlink_linecard_ops { 187 int (*provision)(struct devlink_linecard *linecard, void *priv, 188 const char *type, const void *type_priv, 189 struct netlink_ext_ack *extack); 190 int (*unprovision)(struct devlink_linecard *linecard, void *priv, 191 struct netlink_ext_ack *extack); 192 bool (*same_provision)(struct devlink_linecard *linecard, void *priv, 193 const char *type, const void *type_priv); 194 unsigned int (*types_count)(struct devlink_linecard *linecard, 195 void *priv); 196 void (*types_get)(struct devlink_linecard *linecard, 197 void *priv, unsigned int index, const char **type, 198 const void **type_priv); 199 }; 200 201 struct devlink_sb_pool_info { 202 enum devlink_sb_pool_type pool_type; 203 u32 size; 204 enum devlink_sb_threshold_type threshold_type; 205 u32 cell_size; 206 }; 207 208 /** 209 * struct devlink_dpipe_field - dpipe field object 210 * @name: field name 211 * @id: index inside the headers field array 212 * @bitwidth: bitwidth 213 * @mapping_type: mapping type 214 */ 215 struct devlink_dpipe_field { 216 const char *name; 217 unsigned int id; 218 unsigned int bitwidth; 219 enum devlink_dpipe_field_mapping_type mapping_type; 220 }; 221 222 /** 223 * struct devlink_dpipe_header - dpipe header object 224 * @name: header name 225 * @id: index, global/local determined by global bit 226 * @fields: fields 227 * @fields_count: number of fields 228 * @global: indicates if header is shared like most protocol header 229 * or driver specific 230 */ 231 struct devlink_dpipe_header { 232 const char *name; 233 unsigned int id; 234 struct devlink_dpipe_field *fields; 235 unsigned int fields_count; 236 bool global; 237 }; 238 239 /** 240 * struct devlink_dpipe_match - represents match operation 241 * @type: type of match 242 * @header_index: header index (packets can have several headers of same 243 * type like in case of tunnels) 244 * @header: header 245 * @field_id: field index 246 */ 247 struct devlink_dpipe_match { 248 enum devlink_dpipe_match_type type; 249 unsigned int header_index; 250 struct devlink_dpipe_header *header; 251 unsigned int field_id; 252 }; 253 254 /** 255 * struct devlink_dpipe_action - represents action operation 256 * @type: type of action 257 * @header_index: header index (packets can have several headers of same 258 * type like in case of tunnels) 259 * @header: header 260 * @field_id: field index 261 */ 262 struct devlink_dpipe_action { 263 enum devlink_dpipe_action_type type; 264 unsigned int header_index; 265 struct devlink_dpipe_header *header; 266 unsigned int field_id; 267 }; 268 269 /** 270 * struct devlink_dpipe_value - represents value of match/action 271 * @action: action 272 * @match: match 273 * @mapping_value: in case the field has some mapping this value 274 * specified the mapping value 275 * @mapping_valid: specify if mapping value is valid 276 * @value_size: value size 277 * @value: value 278 * @mask: bit mask 279 */ 280 struct devlink_dpipe_value { 281 union { 282 struct devlink_dpipe_action *action; 283 struct devlink_dpipe_match *match; 284 }; 285 unsigned int mapping_value; 286 bool mapping_valid; 287 unsigned int value_size; 288 void *value; 289 void *mask; 290 }; 291 292 /** 293 * struct devlink_dpipe_entry - table entry object 294 * @index: index of the entry in the table 295 * @match_values: match values 296 * @match_values_count: count of matches tuples 297 * @action_values: actions values 298 * @action_values_count: count of actions values 299 * @counter: value of counter 300 * @counter_valid: Specify if value is valid from hardware 301 */ 302 struct devlink_dpipe_entry { 303 u64 index; 304 struct devlink_dpipe_value *match_values; 305 unsigned int match_values_count; 306 struct devlink_dpipe_value *action_values; 307 unsigned int action_values_count; 308 u64 counter; 309 bool counter_valid; 310 }; 311 312 /** 313 * struct devlink_dpipe_dump_ctx - context provided to driver in order 314 * to dump 315 * @info: info 316 * @cmd: devlink command 317 * @skb: skb 318 * @nest: top attribute 319 * @hdr: hdr 320 */ 321 struct devlink_dpipe_dump_ctx { 322 struct genl_info *info; 323 enum devlink_command cmd; 324 struct sk_buff *skb; 325 struct nlattr *nest; 326 void *hdr; 327 }; 328 329 struct devlink_dpipe_table_ops; 330 331 /** 332 * struct devlink_dpipe_table - table object 333 * @priv: private 334 * @name: table name 335 * @counters_enabled: indicates if counters are active 336 * @counter_control_extern: indicates if counter control is in dpipe or 337 * external tool 338 * @resource_valid: Indicate that the resource id is valid 339 * @resource_id: relative resource this table is related to 340 * @resource_units: number of resource's unit consumed per table's entry 341 * @table_ops: table operations 342 * @rcu: rcu 343 */ 344 struct devlink_dpipe_table { 345 void *priv; 346 /* private: */ 347 struct list_head list; 348 /* public: */ 349 const char *name; 350 bool counters_enabled; 351 bool counter_control_extern; 352 bool resource_valid; 353 u64 resource_id; 354 u64 resource_units; 355 const struct devlink_dpipe_table_ops *table_ops; 356 struct rcu_head rcu; 357 }; 358 359 /** 360 * struct devlink_dpipe_table_ops - dpipe_table ops 361 * @actions_dump: dumps all tables actions 362 * @matches_dump: dumps all tables matches 363 * @entries_dump: dumps all active entries in the table 364 * @counters_set_update: when changing the counter status hardware sync 365 * maybe needed to allocate/free counter related 366 * resources 367 * @size_get: get size 368 */ 369 struct devlink_dpipe_table_ops { 370 int (*actions_dump)(void *priv, struct sk_buff *skb); 371 int (*matches_dump)(void *priv, struct sk_buff *skb); 372 int (*entries_dump)(void *priv, bool counters_enabled, 373 struct devlink_dpipe_dump_ctx *dump_ctx); 374 int (*counters_set_update)(void *priv, bool enable); 375 u64 (*size_get)(void *priv); 376 }; 377 378 /** 379 * struct devlink_dpipe_headers - dpipe headers 380 * @headers: header array can be shared (global bit) or driver specific 381 * @headers_count: count of headers 382 */ 383 struct devlink_dpipe_headers { 384 struct devlink_dpipe_header **headers; 385 unsigned int headers_count; 386 }; 387 388 /** 389 * struct devlink_resource_size_params - resource's size parameters 390 * @size_min: minimum size which can be set 391 * @size_max: maximum size which can be set 392 * @size_granularity: size granularity 393 * @unit: resource's basic unit 394 */ 395 struct devlink_resource_size_params { 396 u64 size_min; 397 u64 size_max; 398 u64 size_granularity; 399 enum devlink_resource_unit unit; 400 }; 401 402 static inline void devlink_resource_size_params_init(struct devlink_resource_size_params * size_params,u64 size_min,u64 size_max,u64 size_granularity,enum devlink_resource_unit unit)403 devlink_resource_size_params_init(struct devlink_resource_size_params *size_params, 404 u64 size_min, u64 size_max, 405 u64 size_granularity, 406 enum devlink_resource_unit unit) 407 { 408 size_params->size_min = size_min; 409 size_params->size_max = size_max; 410 size_params->size_granularity = size_granularity; 411 size_params->unit = unit; 412 } 413 414 typedef u64 devlink_resource_occ_get_t(void *priv); 415 416 #define DEVLINK_RESOURCE_ID_PARENT_TOP 0 417 418 #define DEVLINK_RESOURCE_GENERIC_NAME_PORTS "physical_ports" 419 420 #define __DEVLINK_PARAM_MAX_STRING_VALUE 32 421 enum devlink_param_type { 422 DEVLINK_PARAM_TYPE_U8, 423 DEVLINK_PARAM_TYPE_U16, 424 DEVLINK_PARAM_TYPE_U32, 425 DEVLINK_PARAM_TYPE_STRING, 426 DEVLINK_PARAM_TYPE_BOOL, 427 }; 428 429 union devlink_param_value { 430 u8 vu8; 431 u16 vu16; 432 u32 vu32; 433 char vstr[__DEVLINK_PARAM_MAX_STRING_VALUE]; 434 bool vbool; 435 }; 436 437 struct devlink_param_gset_ctx { 438 union devlink_param_value val; 439 enum devlink_param_cmode cmode; 440 }; 441 442 /** 443 * struct devlink_flash_notify - devlink dev flash notify data 444 * @status_msg: current status string 445 * @component: firmware component being updated 446 * @done: amount of work completed of total amount 447 * @total: amount of work expected to be done 448 * @timeout: expected max timeout in seconds 449 * 450 * These are values to be given to userland to be displayed in order 451 * to show current activity in a firmware update process. 452 */ 453 struct devlink_flash_notify { 454 const char *status_msg; 455 const char *component; 456 unsigned long done; 457 unsigned long total; 458 unsigned long timeout; 459 }; 460 461 /** 462 * struct devlink_param - devlink configuration parameter data 463 * @id: devlink parameter id number 464 * @name: name of the parameter 465 * @generic: indicates if the parameter is generic or driver specific 466 * @type: parameter type 467 * @supported_cmodes: bitmap of supported configuration modes 468 * @get: get parameter value, used for runtime and permanent 469 * configuration modes 470 * @set: set parameter value, used for runtime and permanent 471 * configuration modes 472 * @validate: validate input value is applicable (within value range, etc.) 473 * 474 * This struct should be used by the driver to fill the data for 475 * a parameter it registers. 476 */ 477 struct devlink_param { 478 u32 id; 479 const char *name; 480 bool generic; 481 enum devlink_param_type type; 482 unsigned long supported_cmodes; 483 int (*get)(struct devlink *devlink, u32 id, 484 struct devlink_param_gset_ctx *ctx); 485 int (*set)(struct devlink *devlink, u32 id, 486 struct devlink_param_gset_ctx *ctx, 487 struct netlink_ext_ack *extack); 488 int (*validate)(struct devlink *devlink, u32 id, 489 union devlink_param_value val, 490 struct netlink_ext_ack *extack); 491 }; 492 493 struct devlink_param_item { 494 struct list_head list; 495 const struct devlink_param *param; 496 union devlink_param_value driverinit_value; 497 bool driverinit_value_valid; 498 union devlink_param_value driverinit_value_new; /* Not reachable 499 * until reload. 500 */ 501 bool driverinit_value_new_valid; 502 }; 503 504 enum devlink_param_generic_id { 505 DEVLINK_PARAM_GENERIC_ID_INT_ERR_RESET, 506 DEVLINK_PARAM_GENERIC_ID_MAX_MACS, 507 DEVLINK_PARAM_GENERIC_ID_ENABLE_SRIOV, 508 DEVLINK_PARAM_GENERIC_ID_REGION_SNAPSHOT, 509 DEVLINK_PARAM_GENERIC_ID_IGNORE_ARI, 510 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX, 511 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN, 512 DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY, 513 DEVLINK_PARAM_GENERIC_ID_RESET_DEV_ON_DRV_PROBE, 514 DEVLINK_PARAM_GENERIC_ID_ENABLE_ROCE, 515 DEVLINK_PARAM_GENERIC_ID_ENABLE_REMOTE_DEV_RESET, 516 DEVLINK_PARAM_GENERIC_ID_ENABLE_ETH, 517 DEVLINK_PARAM_GENERIC_ID_ENABLE_RDMA, 518 DEVLINK_PARAM_GENERIC_ID_ENABLE_VNET, 519 DEVLINK_PARAM_GENERIC_ID_ENABLE_IWARP, 520 DEVLINK_PARAM_GENERIC_ID_IO_EQ_SIZE, 521 DEVLINK_PARAM_GENERIC_ID_EVENT_EQ_SIZE, 522 523 /* add new param generic ids above here*/ 524 __DEVLINK_PARAM_GENERIC_ID_MAX, 525 DEVLINK_PARAM_GENERIC_ID_MAX = __DEVLINK_PARAM_GENERIC_ID_MAX - 1, 526 }; 527 528 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_NAME "internal_error_reset" 529 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL 530 531 #define DEVLINK_PARAM_GENERIC_MAX_MACS_NAME "max_macs" 532 #define DEVLINK_PARAM_GENERIC_MAX_MACS_TYPE DEVLINK_PARAM_TYPE_U32 533 534 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_NAME "enable_sriov" 535 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_TYPE DEVLINK_PARAM_TYPE_BOOL 536 537 #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_NAME "region_snapshot_enable" 538 #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_TYPE DEVLINK_PARAM_TYPE_BOOL 539 540 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_NAME "ignore_ari" 541 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_TYPE DEVLINK_PARAM_TYPE_BOOL 542 543 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_NAME "msix_vec_per_pf_max" 544 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_TYPE DEVLINK_PARAM_TYPE_U32 545 546 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_NAME "msix_vec_per_pf_min" 547 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_TYPE DEVLINK_PARAM_TYPE_U32 548 549 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_NAME "fw_load_policy" 550 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_TYPE DEVLINK_PARAM_TYPE_U8 551 552 #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_NAME \ 553 "reset_dev_on_drv_probe" 554 #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_TYPE DEVLINK_PARAM_TYPE_U8 555 556 #define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_NAME "enable_roce" 557 #define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_TYPE DEVLINK_PARAM_TYPE_BOOL 558 559 #define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_NAME "enable_remote_dev_reset" 560 #define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL 561 562 #define DEVLINK_PARAM_GENERIC_ENABLE_ETH_NAME "enable_eth" 563 #define DEVLINK_PARAM_GENERIC_ENABLE_ETH_TYPE DEVLINK_PARAM_TYPE_BOOL 564 565 #define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_NAME "enable_rdma" 566 #define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_TYPE DEVLINK_PARAM_TYPE_BOOL 567 568 #define DEVLINK_PARAM_GENERIC_ENABLE_VNET_NAME "enable_vnet" 569 #define DEVLINK_PARAM_GENERIC_ENABLE_VNET_TYPE DEVLINK_PARAM_TYPE_BOOL 570 571 #define DEVLINK_PARAM_GENERIC_ENABLE_IWARP_NAME "enable_iwarp" 572 #define DEVLINK_PARAM_GENERIC_ENABLE_IWARP_TYPE DEVLINK_PARAM_TYPE_BOOL 573 574 #define DEVLINK_PARAM_GENERIC_IO_EQ_SIZE_NAME "io_eq_size" 575 #define DEVLINK_PARAM_GENERIC_IO_EQ_SIZE_TYPE DEVLINK_PARAM_TYPE_U32 576 577 #define DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_NAME "event_eq_size" 578 #define DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_TYPE DEVLINK_PARAM_TYPE_U32 579 580 #define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate) \ 581 { \ 582 .id = DEVLINK_PARAM_GENERIC_ID_##_id, \ 583 .name = DEVLINK_PARAM_GENERIC_##_id##_NAME, \ 584 .type = DEVLINK_PARAM_GENERIC_##_id##_TYPE, \ 585 .generic = true, \ 586 .supported_cmodes = _cmodes, \ 587 .get = _get, \ 588 .set = _set, \ 589 .validate = _validate, \ 590 } 591 592 #define DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, _get, _set, _validate) \ 593 { \ 594 .id = _id, \ 595 .name = _name, \ 596 .type = _type, \ 597 .supported_cmodes = _cmodes, \ 598 .get = _get, \ 599 .set = _set, \ 600 .validate = _validate, \ 601 } 602 603 /* Identifier of board design */ 604 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_ID "board.id" 605 /* Revision of board design */ 606 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_REV "board.rev" 607 /* Maker of the board */ 608 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_MANUFACTURE "board.manufacture" 609 /* Part number of the board and its components */ 610 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_PART_NUMBER "board.part_number" 611 612 /* Part number, identifier of asic design */ 613 #define DEVLINK_INFO_VERSION_GENERIC_ASIC_ID "asic.id" 614 /* Revision of asic design */ 615 #define DEVLINK_INFO_VERSION_GENERIC_ASIC_REV "asic.rev" 616 617 /* Overall FW version */ 618 #define DEVLINK_INFO_VERSION_GENERIC_FW "fw" 619 /* Control processor FW version */ 620 #define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT "fw.mgmt" 621 /* FW interface specification version */ 622 #define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT_API "fw.mgmt.api" 623 /* Data path microcode controlling high-speed packet processing */ 624 #define DEVLINK_INFO_VERSION_GENERIC_FW_APP "fw.app" 625 /* UNDI software version */ 626 #define DEVLINK_INFO_VERSION_GENERIC_FW_UNDI "fw.undi" 627 /* NCSI support/handler version */ 628 #define DEVLINK_INFO_VERSION_GENERIC_FW_NCSI "fw.ncsi" 629 /* FW parameter set id */ 630 #define DEVLINK_INFO_VERSION_GENERIC_FW_PSID "fw.psid" 631 /* RoCE FW version */ 632 #define DEVLINK_INFO_VERSION_GENERIC_FW_ROCE "fw.roce" 633 /* Firmware bundle identifier */ 634 #define DEVLINK_INFO_VERSION_GENERIC_FW_BUNDLE_ID "fw.bundle_id" 635 /* Bootloader */ 636 #define DEVLINK_INFO_VERSION_GENERIC_FW_BOOTLOADER "fw.bootloader" 637 638 /** 639 * struct devlink_flash_update_params - Flash Update parameters 640 * @fw: pointer to the firmware data to update from 641 * @component: the flash component to update 642 * @overwrite_mask: which types of flash update are supported (may be %0) 643 * 644 * With the exception of fw, drivers must opt-in to parameters by 645 * setting the appropriate bit in the supported_flash_update_params field in 646 * their devlink_ops structure. 647 */ 648 struct devlink_flash_update_params { 649 const struct firmware *fw; 650 const char *component; 651 u32 overwrite_mask; 652 }; 653 654 #define DEVLINK_SUPPORT_FLASH_UPDATE_OVERWRITE_MASK BIT(0) 655 656 struct devlink_region; 657 struct devlink_info_req; 658 659 /** 660 * struct devlink_region_ops - Region operations 661 * @name: region name 662 * @destructor: callback used to free snapshot memory when deleting 663 * @snapshot: callback to request an immediate snapshot. On success, 664 * the data variable must be updated to point to the snapshot data. 665 * The function will be called while the devlink instance lock is 666 * held. 667 * @read: callback to directly read a portion of the region. On success, 668 * the data pointer will be updated with the contents of the 669 * requested portion of the region. The function will be called 670 * while the devlink instance lock is held. 671 * @priv: Pointer to driver private data for the region operation 672 */ 673 struct devlink_region_ops { 674 const char *name; 675 void (*destructor)(const void *data); 676 int (*snapshot)(struct devlink *devlink, 677 const struct devlink_region_ops *ops, 678 struct netlink_ext_ack *extack, 679 u8 **data); 680 int (*read)(struct devlink *devlink, 681 const struct devlink_region_ops *ops, 682 struct netlink_ext_ack *extack, 683 u64 offset, u32 size, u8 *data); 684 void *priv; 685 }; 686 687 /** 688 * struct devlink_port_region_ops - Region operations for a port 689 * @name: region name 690 * @destructor: callback used to free snapshot memory when deleting 691 * @snapshot: callback to request an immediate snapshot. On success, 692 * the data variable must be updated to point to the snapshot data. 693 * The function will be called while the devlink instance lock is 694 * held. 695 * @read: callback to directly read a portion of the region. On success, 696 * the data pointer will be updated with the contents of the 697 * requested portion of the region. The function will be called 698 * while the devlink instance lock is held. 699 * @priv: Pointer to driver private data for the region operation 700 */ 701 struct devlink_port_region_ops { 702 const char *name; 703 void (*destructor)(const void *data); 704 int (*snapshot)(struct devlink_port *port, 705 const struct devlink_port_region_ops *ops, 706 struct netlink_ext_ack *extack, 707 u8 **data); 708 int (*read)(struct devlink_port *port, 709 const struct devlink_port_region_ops *ops, 710 struct netlink_ext_ack *extack, 711 u64 offset, u32 size, u8 *data); 712 void *priv; 713 }; 714 715 struct devlink_fmsg; 716 struct devlink_health_reporter; 717 718 enum devlink_health_reporter_state { 719 DEVLINK_HEALTH_REPORTER_STATE_HEALTHY, 720 DEVLINK_HEALTH_REPORTER_STATE_ERROR, 721 }; 722 723 /** 724 * struct devlink_health_reporter_ops - Reporter operations 725 * @name: reporter name 726 * @recover: callback to recover from reported error 727 * if priv_ctx is NULL, run a full recover 728 * @dump: callback to dump an object 729 * if priv_ctx is NULL, run a full dump 730 * @diagnose: callback to diagnose the current status 731 * @test: callback to trigger a test event 732 */ 733 734 struct devlink_health_reporter_ops { 735 char *name; 736 int (*recover)(struct devlink_health_reporter *reporter, 737 void *priv_ctx, struct netlink_ext_ack *extack); 738 int (*dump)(struct devlink_health_reporter *reporter, 739 struct devlink_fmsg *fmsg, void *priv_ctx, 740 struct netlink_ext_ack *extack); 741 int (*diagnose)(struct devlink_health_reporter *reporter, 742 struct devlink_fmsg *fmsg, 743 struct netlink_ext_ack *extack); 744 int (*test)(struct devlink_health_reporter *reporter, 745 struct netlink_ext_ack *extack); 746 }; 747 748 /** 749 * struct devlink_trap_metadata - Packet trap metadata. 750 * @trap_name: Trap name. 751 * @trap_group_name: Trap group name. 752 * @input_dev: Input netdevice. 753 * @dev_tracker: refcount tracker for @input_dev. 754 * @fa_cookie: Flow action user cookie. 755 * @trap_type: Trap type. 756 */ 757 struct devlink_trap_metadata { 758 const char *trap_name; 759 const char *trap_group_name; 760 761 struct net_device *input_dev; 762 netdevice_tracker dev_tracker; 763 764 const struct flow_action_cookie *fa_cookie; 765 enum devlink_trap_type trap_type; 766 }; 767 768 /** 769 * struct devlink_trap_policer - Immutable packet trap policer attributes. 770 * @id: Policer identifier. 771 * @init_rate: Initial rate in packets / sec. 772 * @init_burst: Initial burst size in packets. 773 * @max_rate: Maximum rate. 774 * @min_rate: Minimum rate. 775 * @max_burst: Maximum burst size. 776 * @min_burst: Minimum burst size. 777 * 778 * Describes immutable attributes of packet trap policers that drivers register 779 * with devlink. 780 */ 781 struct devlink_trap_policer { 782 u32 id; 783 u64 init_rate; 784 u64 init_burst; 785 u64 max_rate; 786 u64 min_rate; 787 u64 max_burst; 788 u64 min_burst; 789 }; 790 791 /** 792 * struct devlink_trap_group - Immutable packet trap group attributes. 793 * @name: Trap group name. 794 * @id: Trap group identifier. 795 * @generic: Whether the trap group is generic or not. 796 * @init_policer_id: Initial policer identifier. 797 * 798 * Describes immutable attributes of packet trap groups that drivers register 799 * with devlink. 800 */ 801 struct devlink_trap_group { 802 const char *name; 803 u16 id; 804 bool generic; 805 u32 init_policer_id; 806 }; 807 808 #define DEVLINK_TRAP_METADATA_TYPE_F_IN_PORT BIT(0) 809 #define DEVLINK_TRAP_METADATA_TYPE_F_FA_COOKIE BIT(1) 810 811 /** 812 * struct devlink_trap - Immutable packet trap attributes. 813 * @type: Trap type. 814 * @init_action: Initial trap action. 815 * @generic: Whether the trap is generic or not. 816 * @id: Trap identifier. 817 * @name: Trap name. 818 * @init_group_id: Initial group identifier. 819 * @metadata_cap: Metadata types that can be provided by the trap. 820 * 821 * Describes immutable attributes of packet traps that drivers register with 822 * devlink. 823 */ 824 struct devlink_trap { 825 enum devlink_trap_type type; 826 enum devlink_trap_action init_action; 827 bool generic; 828 u16 id; 829 const char *name; 830 u16 init_group_id; 831 u32 metadata_cap; 832 }; 833 834 /* All traps must be documented in 835 * Documentation/networking/devlink/devlink-trap.rst 836 */ 837 enum devlink_trap_generic_id { 838 DEVLINK_TRAP_GENERIC_ID_SMAC_MC, 839 DEVLINK_TRAP_GENERIC_ID_VLAN_TAG_MISMATCH, 840 DEVLINK_TRAP_GENERIC_ID_INGRESS_VLAN_FILTER, 841 DEVLINK_TRAP_GENERIC_ID_INGRESS_STP_FILTER, 842 DEVLINK_TRAP_GENERIC_ID_EMPTY_TX_LIST, 843 DEVLINK_TRAP_GENERIC_ID_PORT_LOOPBACK_FILTER, 844 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_ROUTE, 845 DEVLINK_TRAP_GENERIC_ID_TTL_ERROR, 846 DEVLINK_TRAP_GENERIC_ID_TAIL_DROP, 847 DEVLINK_TRAP_GENERIC_ID_NON_IP_PACKET, 848 DEVLINK_TRAP_GENERIC_ID_UC_DIP_MC_DMAC, 849 DEVLINK_TRAP_GENERIC_ID_DIP_LB, 850 DEVLINK_TRAP_GENERIC_ID_SIP_MC, 851 DEVLINK_TRAP_GENERIC_ID_SIP_LB, 852 DEVLINK_TRAP_GENERIC_ID_CORRUPTED_IP_HDR, 853 DEVLINK_TRAP_GENERIC_ID_IPV4_SIP_BC, 854 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_RESERVED_SCOPE, 855 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE, 856 DEVLINK_TRAP_GENERIC_ID_MTU_ERROR, 857 DEVLINK_TRAP_GENERIC_ID_UNRESOLVED_NEIGH, 858 DEVLINK_TRAP_GENERIC_ID_RPF, 859 DEVLINK_TRAP_GENERIC_ID_REJECT_ROUTE, 860 DEVLINK_TRAP_GENERIC_ID_IPV4_LPM_UNICAST_MISS, 861 DEVLINK_TRAP_GENERIC_ID_IPV6_LPM_UNICAST_MISS, 862 DEVLINK_TRAP_GENERIC_ID_NON_ROUTABLE, 863 DEVLINK_TRAP_GENERIC_ID_DECAP_ERROR, 864 DEVLINK_TRAP_GENERIC_ID_OVERLAY_SMAC_MC, 865 DEVLINK_TRAP_GENERIC_ID_INGRESS_FLOW_ACTION_DROP, 866 DEVLINK_TRAP_GENERIC_ID_EGRESS_FLOW_ACTION_DROP, 867 DEVLINK_TRAP_GENERIC_ID_STP, 868 DEVLINK_TRAP_GENERIC_ID_LACP, 869 DEVLINK_TRAP_GENERIC_ID_LLDP, 870 DEVLINK_TRAP_GENERIC_ID_IGMP_QUERY, 871 DEVLINK_TRAP_GENERIC_ID_IGMP_V1_REPORT, 872 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_REPORT, 873 DEVLINK_TRAP_GENERIC_ID_IGMP_V3_REPORT, 874 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_LEAVE, 875 DEVLINK_TRAP_GENERIC_ID_MLD_QUERY, 876 DEVLINK_TRAP_GENERIC_ID_MLD_V1_REPORT, 877 DEVLINK_TRAP_GENERIC_ID_MLD_V2_REPORT, 878 DEVLINK_TRAP_GENERIC_ID_MLD_V1_DONE, 879 DEVLINK_TRAP_GENERIC_ID_IPV4_DHCP, 880 DEVLINK_TRAP_GENERIC_ID_IPV6_DHCP, 881 DEVLINK_TRAP_GENERIC_ID_ARP_REQUEST, 882 DEVLINK_TRAP_GENERIC_ID_ARP_RESPONSE, 883 DEVLINK_TRAP_GENERIC_ID_ARP_OVERLAY, 884 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_SOLICIT, 885 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_ADVERT, 886 DEVLINK_TRAP_GENERIC_ID_IPV4_BFD, 887 DEVLINK_TRAP_GENERIC_ID_IPV6_BFD, 888 DEVLINK_TRAP_GENERIC_ID_IPV4_OSPF, 889 DEVLINK_TRAP_GENERIC_ID_IPV6_OSPF, 890 DEVLINK_TRAP_GENERIC_ID_IPV4_BGP, 891 DEVLINK_TRAP_GENERIC_ID_IPV6_BGP, 892 DEVLINK_TRAP_GENERIC_ID_IPV4_VRRP, 893 DEVLINK_TRAP_GENERIC_ID_IPV6_VRRP, 894 DEVLINK_TRAP_GENERIC_ID_IPV4_PIM, 895 DEVLINK_TRAP_GENERIC_ID_IPV6_PIM, 896 DEVLINK_TRAP_GENERIC_ID_UC_LB, 897 DEVLINK_TRAP_GENERIC_ID_LOCAL_ROUTE, 898 DEVLINK_TRAP_GENERIC_ID_EXTERNAL_ROUTE, 899 DEVLINK_TRAP_GENERIC_ID_IPV6_UC_DIP_LINK_LOCAL_SCOPE, 900 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_NODES, 901 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_ROUTERS, 902 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_SOLICIT, 903 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ADVERT, 904 DEVLINK_TRAP_GENERIC_ID_IPV6_REDIRECT, 905 DEVLINK_TRAP_GENERIC_ID_IPV4_ROUTER_ALERT, 906 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ALERT, 907 DEVLINK_TRAP_GENERIC_ID_PTP_EVENT, 908 DEVLINK_TRAP_GENERIC_ID_PTP_GENERAL, 909 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_SAMPLE, 910 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_TRAP, 911 DEVLINK_TRAP_GENERIC_ID_EARLY_DROP, 912 DEVLINK_TRAP_GENERIC_ID_VXLAN_PARSING, 913 DEVLINK_TRAP_GENERIC_ID_LLC_SNAP_PARSING, 914 DEVLINK_TRAP_GENERIC_ID_VLAN_PARSING, 915 DEVLINK_TRAP_GENERIC_ID_PPPOE_PPP_PARSING, 916 DEVLINK_TRAP_GENERIC_ID_MPLS_PARSING, 917 DEVLINK_TRAP_GENERIC_ID_ARP_PARSING, 918 DEVLINK_TRAP_GENERIC_ID_IP_1_PARSING, 919 DEVLINK_TRAP_GENERIC_ID_IP_N_PARSING, 920 DEVLINK_TRAP_GENERIC_ID_GRE_PARSING, 921 DEVLINK_TRAP_GENERIC_ID_UDP_PARSING, 922 DEVLINK_TRAP_GENERIC_ID_TCP_PARSING, 923 DEVLINK_TRAP_GENERIC_ID_IPSEC_PARSING, 924 DEVLINK_TRAP_GENERIC_ID_SCTP_PARSING, 925 DEVLINK_TRAP_GENERIC_ID_DCCP_PARSING, 926 DEVLINK_TRAP_GENERIC_ID_GTP_PARSING, 927 DEVLINK_TRAP_GENERIC_ID_ESP_PARSING, 928 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_NEXTHOP, 929 DEVLINK_TRAP_GENERIC_ID_DMAC_FILTER, 930 DEVLINK_TRAP_GENERIC_ID_EAPOL, 931 DEVLINK_TRAP_GENERIC_ID_LOCKED_PORT, 932 933 /* Add new generic trap IDs above */ 934 __DEVLINK_TRAP_GENERIC_ID_MAX, 935 DEVLINK_TRAP_GENERIC_ID_MAX = __DEVLINK_TRAP_GENERIC_ID_MAX - 1, 936 }; 937 938 /* All trap groups must be documented in 939 * Documentation/networking/devlink/devlink-trap.rst 940 */ 941 enum devlink_trap_group_generic_id { 942 DEVLINK_TRAP_GROUP_GENERIC_ID_L2_DROPS, 943 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_DROPS, 944 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_EXCEPTIONS, 945 DEVLINK_TRAP_GROUP_GENERIC_ID_BUFFER_DROPS, 946 DEVLINK_TRAP_GROUP_GENERIC_ID_TUNNEL_DROPS, 947 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_DROPS, 948 DEVLINK_TRAP_GROUP_GENERIC_ID_STP, 949 DEVLINK_TRAP_GROUP_GENERIC_ID_LACP, 950 DEVLINK_TRAP_GROUP_GENERIC_ID_LLDP, 951 DEVLINK_TRAP_GROUP_GENERIC_ID_MC_SNOOPING, 952 DEVLINK_TRAP_GROUP_GENERIC_ID_DHCP, 953 DEVLINK_TRAP_GROUP_GENERIC_ID_NEIGH_DISCOVERY, 954 DEVLINK_TRAP_GROUP_GENERIC_ID_BFD, 955 DEVLINK_TRAP_GROUP_GENERIC_ID_OSPF, 956 DEVLINK_TRAP_GROUP_GENERIC_ID_BGP, 957 DEVLINK_TRAP_GROUP_GENERIC_ID_VRRP, 958 DEVLINK_TRAP_GROUP_GENERIC_ID_PIM, 959 DEVLINK_TRAP_GROUP_GENERIC_ID_UC_LB, 960 DEVLINK_TRAP_GROUP_GENERIC_ID_LOCAL_DELIVERY, 961 DEVLINK_TRAP_GROUP_GENERIC_ID_EXTERNAL_DELIVERY, 962 DEVLINK_TRAP_GROUP_GENERIC_ID_IPV6, 963 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_EVENT, 964 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_GENERAL, 965 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_SAMPLE, 966 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_TRAP, 967 DEVLINK_TRAP_GROUP_GENERIC_ID_PARSER_ERROR_DROPS, 968 DEVLINK_TRAP_GROUP_GENERIC_ID_EAPOL, 969 970 /* Add new generic trap group IDs above */ 971 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX, 972 DEVLINK_TRAP_GROUP_GENERIC_ID_MAX = 973 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX - 1, 974 }; 975 976 #define DEVLINK_TRAP_GENERIC_NAME_SMAC_MC \ 977 "source_mac_is_multicast" 978 #define DEVLINK_TRAP_GENERIC_NAME_VLAN_TAG_MISMATCH \ 979 "vlan_tag_mismatch" 980 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_VLAN_FILTER \ 981 "ingress_vlan_filter" 982 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_STP_FILTER \ 983 "ingress_spanning_tree_filter" 984 #define DEVLINK_TRAP_GENERIC_NAME_EMPTY_TX_LIST \ 985 "port_list_is_empty" 986 #define DEVLINK_TRAP_GENERIC_NAME_PORT_LOOPBACK_FILTER \ 987 "port_loopback_filter" 988 #define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_ROUTE \ 989 "blackhole_route" 990 #define DEVLINK_TRAP_GENERIC_NAME_TTL_ERROR \ 991 "ttl_value_is_too_small" 992 #define DEVLINK_TRAP_GENERIC_NAME_TAIL_DROP \ 993 "tail_drop" 994 #define DEVLINK_TRAP_GENERIC_NAME_NON_IP_PACKET \ 995 "non_ip" 996 #define DEVLINK_TRAP_GENERIC_NAME_UC_DIP_MC_DMAC \ 997 "uc_dip_over_mc_dmac" 998 #define DEVLINK_TRAP_GENERIC_NAME_DIP_LB \ 999 "dip_is_loopback_address" 1000 #define DEVLINK_TRAP_GENERIC_NAME_SIP_MC \ 1001 "sip_is_mc" 1002 #define DEVLINK_TRAP_GENERIC_NAME_SIP_LB \ 1003 "sip_is_loopback_address" 1004 #define DEVLINK_TRAP_GENERIC_NAME_CORRUPTED_IP_HDR \ 1005 "ip_header_corrupted" 1006 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_SIP_BC \ 1007 "ipv4_sip_is_limited_bc" 1008 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_RESERVED_SCOPE \ 1009 "ipv6_mc_dip_reserved_scope" 1010 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE \ 1011 "ipv6_mc_dip_interface_local_scope" 1012 #define DEVLINK_TRAP_GENERIC_NAME_MTU_ERROR \ 1013 "mtu_value_is_too_small" 1014 #define DEVLINK_TRAP_GENERIC_NAME_UNRESOLVED_NEIGH \ 1015 "unresolved_neigh" 1016 #define DEVLINK_TRAP_GENERIC_NAME_RPF \ 1017 "mc_reverse_path_forwarding" 1018 #define DEVLINK_TRAP_GENERIC_NAME_REJECT_ROUTE \ 1019 "reject_route" 1020 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_LPM_UNICAST_MISS \ 1021 "ipv4_lpm_miss" 1022 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_LPM_UNICAST_MISS \ 1023 "ipv6_lpm_miss" 1024 #define DEVLINK_TRAP_GENERIC_NAME_NON_ROUTABLE \ 1025 "non_routable_packet" 1026 #define DEVLINK_TRAP_GENERIC_NAME_DECAP_ERROR \ 1027 "decap_error" 1028 #define DEVLINK_TRAP_GENERIC_NAME_OVERLAY_SMAC_MC \ 1029 "overlay_smac_is_mc" 1030 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_FLOW_ACTION_DROP \ 1031 "ingress_flow_action_drop" 1032 #define DEVLINK_TRAP_GENERIC_NAME_EGRESS_FLOW_ACTION_DROP \ 1033 "egress_flow_action_drop" 1034 #define DEVLINK_TRAP_GENERIC_NAME_STP \ 1035 "stp" 1036 #define DEVLINK_TRAP_GENERIC_NAME_LACP \ 1037 "lacp" 1038 #define DEVLINK_TRAP_GENERIC_NAME_LLDP \ 1039 "lldp" 1040 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_QUERY \ 1041 "igmp_query" 1042 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V1_REPORT \ 1043 "igmp_v1_report" 1044 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_REPORT \ 1045 "igmp_v2_report" 1046 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V3_REPORT \ 1047 "igmp_v3_report" 1048 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_LEAVE \ 1049 "igmp_v2_leave" 1050 #define DEVLINK_TRAP_GENERIC_NAME_MLD_QUERY \ 1051 "mld_query" 1052 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_REPORT \ 1053 "mld_v1_report" 1054 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V2_REPORT \ 1055 "mld_v2_report" 1056 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_DONE \ 1057 "mld_v1_done" 1058 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_DHCP \ 1059 "ipv4_dhcp" 1060 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DHCP \ 1061 "ipv6_dhcp" 1062 #define DEVLINK_TRAP_GENERIC_NAME_ARP_REQUEST \ 1063 "arp_request" 1064 #define DEVLINK_TRAP_GENERIC_NAME_ARP_RESPONSE \ 1065 "arp_response" 1066 #define DEVLINK_TRAP_GENERIC_NAME_ARP_OVERLAY \ 1067 "arp_overlay" 1068 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_SOLICIT \ 1069 "ipv6_neigh_solicit" 1070 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_ADVERT \ 1071 "ipv6_neigh_advert" 1072 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_BFD \ 1073 "ipv4_bfd" 1074 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_BFD \ 1075 "ipv6_bfd" 1076 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_OSPF \ 1077 "ipv4_ospf" 1078 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_OSPF \ 1079 "ipv6_ospf" 1080 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_BGP \ 1081 "ipv4_bgp" 1082 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_BGP \ 1083 "ipv6_bgp" 1084 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_VRRP \ 1085 "ipv4_vrrp" 1086 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_VRRP \ 1087 "ipv6_vrrp" 1088 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_PIM \ 1089 "ipv4_pim" 1090 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_PIM \ 1091 "ipv6_pim" 1092 #define DEVLINK_TRAP_GENERIC_NAME_UC_LB \ 1093 "uc_loopback" 1094 #define DEVLINK_TRAP_GENERIC_NAME_LOCAL_ROUTE \ 1095 "local_route" 1096 #define DEVLINK_TRAP_GENERIC_NAME_EXTERNAL_ROUTE \ 1097 "external_route" 1098 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_UC_DIP_LINK_LOCAL_SCOPE \ 1099 "ipv6_uc_dip_link_local_scope" 1100 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_NODES \ 1101 "ipv6_dip_all_nodes" 1102 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_ROUTERS \ 1103 "ipv6_dip_all_routers" 1104 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_SOLICIT \ 1105 "ipv6_router_solicit" 1106 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ADVERT \ 1107 "ipv6_router_advert" 1108 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_REDIRECT \ 1109 "ipv6_redirect" 1110 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_ROUTER_ALERT \ 1111 "ipv4_router_alert" 1112 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ALERT \ 1113 "ipv6_router_alert" 1114 #define DEVLINK_TRAP_GENERIC_NAME_PTP_EVENT \ 1115 "ptp_event" 1116 #define DEVLINK_TRAP_GENERIC_NAME_PTP_GENERAL \ 1117 "ptp_general" 1118 #define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_SAMPLE \ 1119 "flow_action_sample" 1120 #define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_TRAP \ 1121 "flow_action_trap" 1122 #define DEVLINK_TRAP_GENERIC_NAME_EARLY_DROP \ 1123 "early_drop" 1124 #define DEVLINK_TRAP_GENERIC_NAME_VXLAN_PARSING \ 1125 "vxlan_parsing" 1126 #define DEVLINK_TRAP_GENERIC_NAME_LLC_SNAP_PARSING \ 1127 "llc_snap_parsing" 1128 #define DEVLINK_TRAP_GENERIC_NAME_VLAN_PARSING \ 1129 "vlan_parsing" 1130 #define DEVLINK_TRAP_GENERIC_NAME_PPPOE_PPP_PARSING \ 1131 "pppoe_ppp_parsing" 1132 #define DEVLINK_TRAP_GENERIC_NAME_MPLS_PARSING \ 1133 "mpls_parsing" 1134 #define DEVLINK_TRAP_GENERIC_NAME_ARP_PARSING \ 1135 "arp_parsing" 1136 #define DEVLINK_TRAP_GENERIC_NAME_IP_1_PARSING \ 1137 "ip_1_parsing" 1138 #define DEVLINK_TRAP_GENERIC_NAME_IP_N_PARSING \ 1139 "ip_n_parsing" 1140 #define DEVLINK_TRAP_GENERIC_NAME_GRE_PARSING \ 1141 "gre_parsing" 1142 #define DEVLINK_TRAP_GENERIC_NAME_UDP_PARSING \ 1143 "udp_parsing" 1144 #define DEVLINK_TRAP_GENERIC_NAME_TCP_PARSING \ 1145 "tcp_parsing" 1146 #define DEVLINK_TRAP_GENERIC_NAME_IPSEC_PARSING \ 1147 "ipsec_parsing" 1148 #define DEVLINK_TRAP_GENERIC_NAME_SCTP_PARSING \ 1149 "sctp_parsing" 1150 #define DEVLINK_TRAP_GENERIC_NAME_DCCP_PARSING \ 1151 "dccp_parsing" 1152 #define DEVLINK_TRAP_GENERIC_NAME_GTP_PARSING \ 1153 "gtp_parsing" 1154 #define DEVLINK_TRAP_GENERIC_NAME_ESP_PARSING \ 1155 "esp_parsing" 1156 #define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_NEXTHOP \ 1157 "blackhole_nexthop" 1158 #define DEVLINK_TRAP_GENERIC_NAME_DMAC_FILTER \ 1159 "dmac_filter" 1160 #define DEVLINK_TRAP_GENERIC_NAME_EAPOL \ 1161 "eapol" 1162 #define DEVLINK_TRAP_GENERIC_NAME_LOCKED_PORT \ 1163 "locked_port" 1164 1165 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L2_DROPS \ 1166 "l2_drops" 1167 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_DROPS \ 1168 "l3_drops" 1169 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_EXCEPTIONS \ 1170 "l3_exceptions" 1171 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BUFFER_DROPS \ 1172 "buffer_drops" 1173 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_TUNNEL_DROPS \ 1174 "tunnel_drops" 1175 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_DROPS \ 1176 "acl_drops" 1177 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_STP \ 1178 "stp" 1179 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LACP \ 1180 "lacp" 1181 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LLDP \ 1182 "lldp" 1183 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_MC_SNOOPING \ 1184 "mc_snooping" 1185 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_DHCP \ 1186 "dhcp" 1187 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_NEIGH_DISCOVERY \ 1188 "neigh_discovery" 1189 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BFD \ 1190 "bfd" 1191 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_OSPF \ 1192 "ospf" 1193 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BGP \ 1194 "bgp" 1195 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_VRRP \ 1196 "vrrp" 1197 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PIM \ 1198 "pim" 1199 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_UC_LB \ 1200 "uc_loopback" 1201 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LOCAL_DELIVERY \ 1202 "local_delivery" 1203 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_EXTERNAL_DELIVERY \ 1204 "external_delivery" 1205 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_IPV6 \ 1206 "ipv6" 1207 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_EVENT \ 1208 "ptp_event" 1209 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_GENERAL \ 1210 "ptp_general" 1211 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_SAMPLE \ 1212 "acl_sample" 1213 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_TRAP \ 1214 "acl_trap" 1215 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PARSER_ERROR_DROPS \ 1216 "parser_error_drops" 1217 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_EAPOL \ 1218 "eapol" 1219 1220 #define DEVLINK_TRAP_GENERIC(_type, _init_action, _id, _group_id, \ 1221 _metadata_cap) \ 1222 { \ 1223 .type = DEVLINK_TRAP_TYPE_##_type, \ 1224 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \ 1225 .generic = true, \ 1226 .id = DEVLINK_TRAP_GENERIC_ID_##_id, \ 1227 .name = DEVLINK_TRAP_GENERIC_NAME_##_id, \ 1228 .init_group_id = _group_id, \ 1229 .metadata_cap = _metadata_cap, \ 1230 } 1231 1232 #define DEVLINK_TRAP_DRIVER(_type, _init_action, _id, _name, _group_id, \ 1233 _metadata_cap) \ 1234 { \ 1235 .type = DEVLINK_TRAP_TYPE_##_type, \ 1236 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \ 1237 .generic = false, \ 1238 .id = _id, \ 1239 .name = _name, \ 1240 .init_group_id = _group_id, \ 1241 .metadata_cap = _metadata_cap, \ 1242 } 1243 1244 #define DEVLINK_TRAP_GROUP_GENERIC(_id, _policer_id) \ 1245 { \ 1246 .name = DEVLINK_TRAP_GROUP_GENERIC_NAME_##_id, \ 1247 .id = DEVLINK_TRAP_GROUP_GENERIC_ID_##_id, \ 1248 .generic = true, \ 1249 .init_policer_id = _policer_id, \ 1250 } 1251 1252 #define DEVLINK_TRAP_POLICER(_id, _rate, _burst, _max_rate, _min_rate, \ 1253 _max_burst, _min_burst) \ 1254 { \ 1255 .id = _id, \ 1256 .init_rate = _rate, \ 1257 .init_burst = _burst, \ 1258 .max_rate = _max_rate, \ 1259 .min_rate = _min_rate, \ 1260 .max_burst = _max_burst, \ 1261 .min_burst = _min_burst, \ 1262 } 1263 1264 enum { 1265 /* device supports reload operations */ 1266 DEVLINK_F_RELOAD = 1UL << 0, 1267 }; 1268 1269 struct devlink_ops { 1270 /** 1271 * @supported_flash_update_params: 1272 * mask of parameters supported by the driver's .flash_update 1273 * implementation. 1274 */ 1275 u32 supported_flash_update_params; 1276 unsigned long reload_actions; 1277 unsigned long reload_limits; 1278 int (*reload_down)(struct devlink *devlink, bool netns_change, 1279 enum devlink_reload_action action, 1280 enum devlink_reload_limit limit, 1281 struct netlink_ext_ack *extack); 1282 int (*reload_up)(struct devlink *devlink, enum devlink_reload_action action, 1283 enum devlink_reload_limit limit, u32 *actions_performed, 1284 struct netlink_ext_ack *extack); 1285 int (*sb_pool_get)(struct devlink *devlink, unsigned int sb_index, 1286 u16 pool_index, 1287 struct devlink_sb_pool_info *pool_info); 1288 int (*sb_pool_set)(struct devlink *devlink, unsigned int sb_index, 1289 u16 pool_index, u32 size, 1290 enum devlink_sb_threshold_type threshold_type, 1291 struct netlink_ext_ack *extack); 1292 int (*sb_port_pool_get)(struct devlink_port *devlink_port, 1293 unsigned int sb_index, u16 pool_index, 1294 u32 *p_threshold); 1295 int (*sb_port_pool_set)(struct devlink_port *devlink_port, 1296 unsigned int sb_index, u16 pool_index, 1297 u32 threshold, struct netlink_ext_ack *extack); 1298 int (*sb_tc_pool_bind_get)(struct devlink_port *devlink_port, 1299 unsigned int sb_index, 1300 u16 tc_index, 1301 enum devlink_sb_pool_type pool_type, 1302 u16 *p_pool_index, u32 *p_threshold); 1303 int (*sb_tc_pool_bind_set)(struct devlink_port *devlink_port, 1304 unsigned int sb_index, 1305 u16 tc_index, 1306 enum devlink_sb_pool_type pool_type, 1307 u16 pool_index, u32 threshold, 1308 struct netlink_ext_ack *extack); 1309 int (*sb_occ_snapshot)(struct devlink *devlink, 1310 unsigned int sb_index); 1311 int (*sb_occ_max_clear)(struct devlink *devlink, 1312 unsigned int sb_index); 1313 int (*sb_occ_port_pool_get)(struct devlink_port *devlink_port, 1314 unsigned int sb_index, u16 pool_index, 1315 u32 *p_cur, u32 *p_max); 1316 int (*sb_occ_tc_port_bind_get)(struct devlink_port *devlink_port, 1317 unsigned int sb_index, 1318 u16 tc_index, 1319 enum devlink_sb_pool_type pool_type, 1320 u32 *p_cur, u32 *p_max); 1321 1322 int (*eswitch_mode_get)(struct devlink *devlink, u16 *p_mode); 1323 int (*eswitch_mode_set)(struct devlink *devlink, u16 mode, 1324 struct netlink_ext_ack *extack); 1325 int (*eswitch_inline_mode_get)(struct devlink *devlink, u8 *p_inline_mode); 1326 int (*eswitch_inline_mode_set)(struct devlink *devlink, u8 inline_mode, 1327 struct netlink_ext_ack *extack); 1328 int (*eswitch_encap_mode_get)(struct devlink *devlink, 1329 enum devlink_eswitch_encap_mode *p_encap_mode); 1330 int (*eswitch_encap_mode_set)(struct devlink *devlink, 1331 enum devlink_eswitch_encap_mode encap_mode, 1332 struct netlink_ext_ack *extack); 1333 int (*info_get)(struct devlink *devlink, struct devlink_info_req *req, 1334 struct netlink_ext_ack *extack); 1335 /** 1336 * @flash_update: Device flash update function 1337 * 1338 * Used to perform a flash update for the device. The set of 1339 * parameters supported by the driver should be set in 1340 * supported_flash_update_params. 1341 */ 1342 int (*flash_update)(struct devlink *devlink, 1343 struct devlink_flash_update_params *params, 1344 struct netlink_ext_ack *extack); 1345 /** 1346 * @trap_init: Trap initialization function. 1347 * 1348 * Should be used by device drivers to initialize the trap in the 1349 * underlying device. Drivers should also store the provided trap 1350 * context, so that they could efficiently pass it to 1351 * devlink_trap_report() when the trap is triggered. 1352 */ 1353 int (*trap_init)(struct devlink *devlink, 1354 const struct devlink_trap *trap, void *trap_ctx); 1355 /** 1356 * @trap_fini: Trap de-initialization function. 1357 * 1358 * Should be used by device drivers to de-initialize the trap in the 1359 * underlying device. 1360 */ 1361 void (*trap_fini)(struct devlink *devlink, 1362 const struct devlink_trap *trap, void *trap_ctx); 1363 /** 1364 * @trap_action_set: Trap action set function. 1365 */ 1366 int (*trap_action_set)(struct devlink *devlink, 1367 const struct devlink_trap *trap, 1368 enum devlink_trap_action action, 1369 struct netlink_ext_ack *extack); 1370 /** 1371 * @trap_group_init: Trap group initialization function. 1372 * 1373 * Should be used by device drivers to initialize the trap group in the 1374 * underlying device. 1375 */ 1376 int (*trap_group_init)(struct devlink *devlink, 1377 const struct devlink_trap_group *group); 1378 /** 1379 * @trap_group_set: Trap group parameters set function. 1380 * 1381 * Note: @policer can be NULL when a policer is being unbound from 1382 * @group. 1383 */ 1384 int (*trap_group_set)(struct devlink *devlink, 1385 const struct devlink_trap_group *group, 1386 const struct devlink_trap_policer *policer, 1387 struct netlink_ext_ack *extack); 1388 /** 1389 * @trap_group_action_set: Trap group action set function. 1390 * 1391 * If this callback is populated, it will take precedence over looping 1392 * over all traps in a group and calling .trap_action_set(). 1393 */ 1394 int (*trap_group_action_set)(struct devlink *devlink, 1395 const struct devlink_trap_group *group, 1396 enum devlink_trap_action action, 1397 struct netlink_ext_ack *extack); 1398 /** 1399 * @trap_drop_counter_get: Trap drop counter get function. 1400 * 1401 * Should be used by device drivers to report number of packets 1402 * that have been dropped, and cannot be passed to the devlink 1403 * subsystem by the underlying device. 1404 */ 1405 int (*trap_drop_counter_get)(struct devlink *devlink, 1406 const struct devlink_trap *trap, 1407 u64 *p_drops); 1408 /** 1409 * @trap_policer_init: Trap policer initialization function. 1410 * 1411 * Should be used by device drivers to initialize the trap policer in 1412 * the underlying device. 1413 */ 1414 int (*trap_policer_init)(struct devlink *devlink, 1415 const struct devlink_trap_policer *policer); 1416 /** 1417 * @trap_policer_fini: Trap policer de-initialization function. 1418 * 1419 * Should be used by device drivers to de-initialize the trap policer 1420 * in the underlying device. 1421 */ 1422 void (*trap_policer_fini)(struct devlink *devlink, 1423 const struct devlink_trap_policer *policer); 1424 /** 1425 * @trap_policer_set: Trap policer parameters set function. 1426 */ 1427 int (*trap_policer_set)(struct devlink *devlink, 1428 const struct devlink_trap_policer *policer, 1429 u64 rate, u64 burst, 1430 struct netlink_ext_ack *extack); 1431 /** 1432 * @trap_policer_counter_get: Trap policer counter get function. 1433 * 1434 * Should be used by device drivers to report number of packets dropped 1435 * by the policer. 1436 */ 1437 int (*trap_policer_counter_get)(struct devlink *devlink, 1438 const struct devlink_trap_policer *policer, 1439 u64 *p_drops); 1440 /** 1441 * port_new() - Add a new port function of a specified flavor 1442 * @devlink: Devlink instance 1443 * @attrs: attributes of the new port 1444 * @extack: extack for reporting error messages 1445 * @devlink_port: pointer to store new devlink port pointer 1446 * 1447 * Devlink core will call this device driver function upon user request 1448 * to create a new port function of a specified flavor and optional 1449 * attributes 1450 * 1451 * Notes: 1452 * - On success, drivers must register a port with devlink core 1453 * 1454 * Return: 0 on success, negative value otherwise. 1455 */ 1456 int (*port_new)(struct devlink *devlink, 1457 const struct devlink_port_new_attrs *attrs, 1458 struct netlink_ext_ack *extack, 1459 struct devlink_port **devlink_port); 1460 1461 /** 1462 * Rate control callbacks. 1463 */ 1464 int (*rate_leaf_tx_share_set)(struct devlink_rate *devlink_rate, void *priv, 1465 u64 tx_share, struct netlink_ext_ack *extack); 1466 int (*rate_leaf_tx_max_set)(struct devlink_rate *devlink_rate, void *priv, 1467 u64 tx_max, struct netlink_ext_ack *extack); 1468 int (*rate_leaf_tx_priority_set)(struct devlink_rate *devlink_rate, void *priv, 1469 u32 tx_priority, struct netlink_ext_ack *extack); 1470 int (*rate_leaf_tx_weight_set)(struct devlink_rate *devlink_rate, void *priv, 1471 u32 tx_weight, struct netlink_ext_ack *extack); 1472 int (*rate_node_tx_share_set)(struct devlink_rate *devlink_rate, void *priv, 1473 u64 tx_share, struct netlink_ext_ack *extack); 1474 int (*rate_node_tx_max_set)(struct devlink_rate *devlink_rate, void *priv, 1475 u64 tx_max, struct netlink_ext_ack *extack); 1476 int (*rate_node_tx_priority_set)(struct devlink_rate *devlink_rate, void *priv, 1477 u32 tx_priority, struct netlink_ext_ack *extack); 1478 int (*rate_node_tx_weight_set)(struct devlink_rate *devlink_rate, void *priv, 1479 u32 tx_weight, struct netlink_ext_ack *extack); 1480 int (*rate_node_new)(struct devlink_rate *rate_node, void **priv, 1481 struct netlink_ext_ack *extack); 1482 int (*rate_node_del)(struct devlink_rate *rate_node, void *priv, 1483 struct netlink_ext_ack *extack); 1484 int (*rate_leaf_parent_set)(struct devlink_rate *child, 1485 struct devlink_rate *parent, 1486 void *priv_child, void *priv_parent, 1487 struct netlink_ext_ack *extack); 1488 int (*rate_node_parent_set)(struct devlink_rate *child, 1489 struct devlink_rate *parent, 1490 void *priv_child, void *priv_parent, 1491 struct netlink_ext_ack *extack); 1492 /** 1493 * selftests_check() - queries if selftest is supported 1494 * @devlink: devlink instance 1495 * @id: test index 1496 * @extack: extack for reporting error messages 1497 * 1498 * Return: true if test is supported by the driver 1499 */ 1500 bool (*selftest_check)(struct devlink *devlink, unsigned int id, 1501 struct netlink_ext_ack *extack); 1502 /** 1503 * selftest_run() - Runs a selftest 1504 * @devlink: devlink instance 1505 * @id: test index 1506 * @extack: extack for reporting error messages 1507 * 1508 * Return: status of the test 1509 */ 1510 enum devlink_selftest_status 1511 (*selftest_run)(struct devlink *devlink, unsigned int id, 1512 struct netlink_ext_ack *extack); 1513 }; 1514 1515 void *devlink_priv(struct devlink *devlink); 1516 struct devlink *priv_to_devlink(void *priv); 1517 struct device *devlink_to_dev(const struct devlink *devlink); 1518 1519 /* Devlink instance explicit locking */ 1520 void devl_lock(struct devlink *devlink); 1521 int devl_trylock(struct devlink *devlink); 1522 void devl_unlock(struct devlink *devlink); 1523 void devl_assert_locked(struct devlink *devlink); 1524 bool devl_lock_is_held(struct devlink *devlink); 1525 1526 struct ib_device; 1527 1528 struct net *devlink_net(const struct devlink *devlink); 1529 /* This call is intended for software devices that can create 1530 * devlink instances in other namespaces than init_net. 1531 * 1532 * Drivers that operate on real HW must use devlink_alloc() instead. 1533 */ 1534 struct devlink *devlink_alloc_ns(const struct devlink_ops *ops, 1535 size_t priv_size, struct net *net, 1536 struct device *dev); devlink_alloc(const struct devlink_ops * ops,size_t priv_size,struct device * dev)1537 static inline struct devlink *devlink_alloc(const struct devlink_ops *ops, 1538 size_t priv_size, 1539 struct device *dev) 1540 { 1541 return devlink_alloc_ns(ops, priv_size, &init_net, dev); 1542 } 1543 1544 int devl_register(struct devlink *devlink); 1545 void devl_unregister(struct devlink *devlink); 1546 void devlink_register(struct devlink *devlink); 1547 void devlink_unregister(struct devlink *devlink); 1548 void devlink_free(struct devlink *devlink); 1549 1550 /** 1551 * struct devlink_port_ops - Port operations 1552 * @port_split: Callback used to split the port into multiple ones. 1553 * @port_unsplit: Callback used to unsplit the port group back into 1554 * a single port. 1555 * @port_type_set: Callback used to set a type of a port. 1556 * @port_del: Callback used to delete selected port along with related function. 1557 * Devlink core calls this upon user request to delete 1558 * a port previously created by devlink_ops->port_new(). 1559 * @port_fn_hw_addr_get: Callback used to set port function's hardware address. 1560 * Should be used by device drivers to report 1561 * the hardware address of a function managed 1562 * by the devlink port. 1563 * @port_fn_hw_addr_set: Callback used to set port function's hardware address. 1564 * Should be used by device drivers to set the hardware 1565 * address of a function managed by the devlink port. 1566 * @port_fn_roce_get: Callback used to get port function's RoCE capability. 1567 * Should be used by device drivers to report 1568 * the current state of RoCE capability of a function 1569 * managed by the devlink port. 1570 * @port_fn_roce_set: Callback used to set port function's RoCE capability. 1571 * Should be used by device drivers to enable/disable 1572 * RoCE capability of a function managed 1573 * by the devlink port. 1574 * @port_fn_migratable_get: Callback used to get port function's migratable 1575 * capability. Should be used by device drivers 1576 * to report the current state of migratable capability 1577 * of a function managed by the devlink port. 1578 * @port_fn_migratable_set: Callback used to set port function's migratable 1579 * capability. Should be used by device drivers 1580 * to enable/disable migratable capability of 1581 * a function managed by the devlink port. 1582 * @port_fn_state_get: Callback used to get port function's state. 1583 * Should be used by device drivers to report 1584 * the current admin and operational state of a 1585 * function managed by the devlink port. 1586 * @port_fn_state_set: Callback used to get port function's state. 1587 * Should be used by device drivers set 1588 * the admin state of a function managed 1589 * by the devlink port. 1590 * @port_fn_ipsec_crypto_get: Callback used to get port function's ipsec_crypto 1591 * capability. Should be used by device drivers 1592 * to report the current state of ipsec_crypto 1593 * capability of a function managed by the devlink 1594 * port. 1595 * @port_fn_ipsec_crypto_set: Callback used to set port function's ipsec_crypto 1596 * capability. Should be used by device drivers to 1597 * enable/disable ipsec_crypto capability of a 1598 * function managed by the devlink port. 1599 * @port_fn_ipsec_packet_get: Callback used to get port function's ipsec_packet 1600 * capability. Should be used by device drivers 1601 * to report the current state of ipsec_packet 1602 * capability of a function managed by the devlink 1603 * port. 1604 * @port_fn_ipsec_packet_set: Callback used to set port function's ipsec_packet 1605 * capability. Should be used by device drivers to 1606 * enable/disable ipsec_packet capability of a 1607 * function managed by the devlink port. 1608 * @port_fn_max_io_eqs_get: Callback used to get port function's maximum number 1609 * of event queues. Should be used by device drivers to 1610 * report the maximum event queues of a function 1611 * managed by the devlink port. 1612 * @port_fn_max_io_eqs_set: Callback used to set port function's maximum number 1613 * of event queues. Should be used by device drivers to 1614 * configure maximum number of event queues 1615 * of a function managed by the devlink port. 1616 * 1617 * Note: Driver should return -EOPNOTSUPP if it doesn't support 1618 * port function (@port_fn_*) handling for a particular port. 1619 */ 1620 struct devlink_port_ops { 1621 int (*port_split)(struct devlink *devlink, struct devlink_port *port, 1622 unsigned int count, struct netlink_ext_ack *extack); 1623 int (*port_unsplit)(struct devlink *devlink, struct devlink_port *port, 1624 struct netlink_ext_ack *extack); 1625 int (*port_type_set)(struct devlink_port *devlink_port, 1626 enum devlink_port_type port_type); 1627 int (*port_del)(struct devlink *devlink, struct devlink_port *port, 1628 struct netlink_ext_ack *extack); 1629 int (*port_fn_hw_addr_get)(struct devlink_port *port, u8 *hw_addr, 1630 int *hw_addr_len, 1631 struct netlink_ext_ack *extack); 1632 int (*port_fn_hw_addr_set)(struct devlink_port *port, 1633 const u8 *hw_addr, int hw_addr_len, 1634 struct netlink_ext_ack *extack); 1635 int (*port_fn_roce_get)(struct devlink_port *devlink_port, 1636 bool *is_enable, 1637 struct netlink_ext_ack *extack); 1638 int (*port_fn_roce_set)(struct devlink_port *devlink_port, 1639 bool enable, struct netlink_ext_ack *extack); 1640 int (*port_fn_migratable_get)(struct devlink_port *devlink_port, 1641 bool *is_enable, 1642 struct netlink_ext_ack *extack); 1643 int (*port_fn_migratable_set)(struct devlink_port *devlink_port, 1644 bool enable, 1645 struct netlink_ext_ack *extack); 1646 int (*port_fn_state_get)(struct devlink_port *port, 1647 enum devlink_port_fn_state *state, 1648 enum devlink_port_fn_opstate *opstate, 1649 struct netlink_ext_ack *extack); 1650 int (*port_fn_state_set)(struct devlink_port *port, 1651 enum devlink_port_fn_state state, 1652 struct netlink_ext_ack *extack); 1653 int (*port_fn_ipsec_crypto_get)(struct devlink_port *devlink_port, 1654 bool *is_enable, 1655 struct netlink_ext_ack *extack); 1656 int (*port_fn_ipsec_crypto_set)(struct devlink_port *devlink_port, 1657 bool enable, 1658 struct netlink_ext_ack *extack); 1659 int (*port_fn_ipsec_packet_get)(struct devlink_port *devlink_port, 1660 bool *is_enable, 1661 struct netlink_ext_ack *extack); 1662 int (*port_fn_ipsec_packet_set)(struct devlink_port *devlink_port, 1663 bool enable, 1664 struct netlink_ext_ack *extack); 1665 int (*port_fn_max_io_eqs_get)(struct devlink_port *devlink_port, 1666 u32 *max_eqs, 1667 struct netlink_ext_ack *extack); 1668 int (*port_fn_max_io_eqs_set)(struct devlink_port *devlink_port, 1669 u32 max_eqs, 1670 struct netlink_ext_ack *extack); 1671 }; 1672 1673 void devlink_port_init(struct devlink *devlink, 1674 struct devlink_port *devlink_port); 1675 void devlink_port_fini(struct devlink_port *devlink_port); 1676 1677 int devl_port_register_with_ops(struct devlink *devlink, 1678 struct devlink_port *devlink_port, 1679 unsigned int port_index, 1680 const struct devlink_port_ops *ops); 1681 devl_port_register(struct devlink * devlink,struct devlink_port * devlink_port,unsigned int port_index)1682 static inline int devl_port_register(struct devlink *devlink, 1683 struct devlink_port *devlink_port, 1684 unsigned int port_index) 1685 { 1686 return devl_port_register_with_ops(devlink, devlink_port, 1687 port_index, NULL); 1688 } 1689 1690 int devlink_port_register_with_ops(struct devlink *devlink, 1691 struct devlink_port *devlink_port, 1692 unsigned int port_index, 1693 const struct devlink_port_ops *ops); 1694 devlink_port_register(struct devlink * devlink,struct devlink_port * devlink_port,unsigned int port_index)1695 static inline int devlink_port_register(struct devlink *devlink, 1696 struct devlink_port *devlink_port, 1697 unsigned int port_index) 1698 { 1699 return devlink_port_register_with_ops(devlink, devlink_port, 1700 port_index, NULL); 1701 } 1702 1703 void devl_port_unregister(struct devlink_port *devlink_port); 1704 void devlink_port_unregister(struct devlink_port *devlink_port); 1705 void devlink_port_type_eth_set(struct devlink_port *devlink_port); 1706 void devlink_port_type_ib_set(struct devlink_port *devlink_port, 1707 struct ib_device *ibdev); 1708 void devlink_port_type_clear(struct devlink_port *devlink_port); 1709 void devlink_port_attrs_set(struct devlink_port *devlink_port, 1710 struct devlink_port_attrs *devlink_port_attrs); 1711 void devlink_port_attrs_pci_pf_set(struct devlink_port *devlink_port, u32 controller, 1712 u16 pf, bool external); 1713 void devlink_port_attrs_pci_vf_set(struct devlink_port *devlink_port, u32 controller, 1714 u16 pf, u16 vf, bool external); 1715 void devlink_port_attrs_pci_sf_set(struct devlink_port *devlink_port, 1716 u32 controller, u16 pf, u32 sf, 1717 bool external); 1718 int devl_port_fn_devlink_set(struct devlink_port *devlink_port, 1719 struct devlink *fn_devlink); 1720 struct devlink_rate * 1721 devl_rate_node_create(struct devlink *devlink, void *priv, char *node_name, 1722 struct devlink_rate *parent); 1723 int 1724 devl_rate_leaf_create(struct devlink_port *devlink_port, void *priv, 1725 struct devlink_rate *parent); 1726 void devl_rate_leaf_destroy(struct devlink_port *devlink_port); 1727 void devl_rate_nodes_destroy(struct devlink *devlink); 1728 void devlink_port_linecard_set(struct devlink_port *devlink_port, 1729 struct devlink_linecard *linecard); 1730 struct devlink_linecard * 1731 devl_linecard_create(struct devlink *devlink, unsigned int linecard_index, 1732 const struct devlink_linecard_ops *ops, void *priv); 1733 void devl_linecard_destroy(struct devlink_linecard *linecard); 1734 void devlink_linecard_provision_set(struct devlink_linecard *linecard, 1735 const char *type); 1736 void devlink_linecard_provision_clear(struct devlink_linecard *linecard); 1737 void devlink_linecard_provision_fail(struct devlink_linecard *linecard); 1738 void devlink_linecard_activate(struct devlink_linecard *linecard); 1739 void devlink_linecard_deactivate(struct devlink_linecard *linecard); 1740 int devlink_linecard_nested_dl_set(struct devlink_linecard *linecard, 1741 struct devlink *nested_devlink); 1742 int devl_sb_register(struct devlink *devlink, unsigned int sb_index, 1743 u32 size, u16 ingress_pools_count, 1744 u16 egress_pools_count, u16 ingress_tc_count, 1745 u16 egress_tc_count); 1746 int devlink_sb_register(struct devlink *devlink, unsigned int sb_index, 1747 u32 size, u16 ingress_pools_count, 1748 u16 egress_pools_count, u16 ingress_tc_count, 1749 u16 egress_tc_count); 1750 void devl_sb_unregister(struct devlink *devlink, unsigned int sb_index); 1751 void devlink_sb_unregister(struct devlink *devlink, unsigned int sb_index); 1752 int devl_dpipe_table_register(struct devlink *devlink, 1753 const char *table_name, 1754 const struct devlink_dpipe_table_ops *table_ops, 1755 void *priv, bool counter_control_extern); 1756 void devl_dpipe_table_unregister(struct devlink *devlink, 1757 const char *table_name); 1758 void devl_dpipe_headers_register(struct devlink *devlink, 1759 struct devlink_dpipe_headers *dpipe_headers); 1760 void devl_dpipe_headers_unregister(struct devlink *devlink); 1761 bool devlink_dpipe_table_counter_enabled(struct devlink *devlink, 1762 const char *table_name); 1763 int devlink_dpipe_entry_ctx_prepare(struct devlink_dpipe_dump_ctx *dump_ctx); 1764 int devlink_dpipe_entry_ctx_append(struct devlink_dpipe_dump_ctx *dump_ctx, 1765 struct devlink_dpipe_entry *entry); 1766 int devlink_dpipe_entry_ctx_close(struct devlink_dpipe_dump_ctx *dump_ctx); 1767 void devlink_dpipe_entry_clear(struct devlink_dpipe_entry *entry); 1768 int devlink_dpipe_action_put(struct sk_buff *skb, 1769 struct devlink_dpipe_action *action); 1770 int devlink_dpipe_match_put(struct sk_buff *skb, 1771 struct devlink_dpipe_match *match); 1772 extern struct devlink_dpipe_header devlink_dpipe_header_ethernet; 1773 extern struct devlink_dpipe_header devlink_dpipe_header_ipv4; 1774 extern struct devlink_dpipe_header devlink_dpipe_header_ipv6; 1775 1776 int devl_resource_register(struct devlink *devlink, 1777 const char *resource_name, 1778 u64 resource_size, 1779 u64 resource_id, 1780 u64 parent_resource_id, 1781 const struct devlink_resource_size_params *size_params); 1782 int devlink_resource_register(struct devlink *devlink, 1783 const char *resource_name, 1784 u64 resource_size, 1785 u64 resource_id, 1786 u64 parent_resource_id, 1787 const struct devlink_resource_size_params *size_params); 1788 void devl_resources_unregister(struct devlink *devlink); 1789 void devlink_resources_unregister(struct devlink *devlink); 1790 int devl_resource_size_get(struct devlink *devlink, 1791 u64 resource_id, 1792 u64 *p_resource_size); 1793 int devl_dpipe_table_resource_set(struct devlink *devlink, 1794 const char *table_name, u64 resource_id, 1795 u64 resource_units); 1796 void devl_resource_occ_get_register(struct devlink *devlink, 1797 u64 resource_id, 1798 devlink_resource_occ_get_t *occ_get, 1799 void *occ_get_priv); 1800 void devlink_resource_occ_get_register(struct devlink *devlink, 1801 u64 resource_id, 1802 devlink_resource_occ_get_t *occ_get, 1803 void *occ_get_priv); 1804 void devl_resource_occ_get_unregister(struct devlink *devlink, 1805 u64 resource_id); 1806 1807 void devlink_resource_occ_get_unregister(struct devlink *devlink, 1808 u64 resource_id); 1809 int devl_params_register(struct devlink *devlink, 1810 const struct devlink_param *params, 1811 size_t params_count); 1812 int devlink_params_register(struct devlink *devlink, 1813 const struct devlink_param *params, 1814 size_t params_count); 1815 void devl_params_unregister(struct devlink *devlink, 1816 const struct devlink_param *params, 1817 size_t params_count); 1818 void devlink_params_unregister(struct devlink *devlink, 1819 const struct devlink_param *params, 1820 size_t params_count); 1821 int devl_param_driverinit_value_get(struct devlink *devlink, u32 param_id, 1822 union devlink_param_value *val); 1823 void devl_param_driverinit_value_set(struct devlink *devlink, u32 param_id, 1824 union devlink_param_value init_val); 1825 void devl_param_value_changed(struct devlink *devlink, u32 param_id); 1826 struct devlink_region *devl_region_create(struct devlink *devlink, 1827 const struct devlink_region_ops *ops, 1828 u32 region_max_snapshots, 1829 u64 region_size); 1830 struct devlink_region * 1831 devlink_region_create(struct devlink *devlink, 1832 const struct devlink_region_ops *ops, 1833 u32 region_max_snapshots, u64 region_size); 1834 struct devlink_region * 1835 devlink_port_region_create(struct devlink_port *port, 1836 const struct devlink_port_region_ops *ops, 1837 u32 region_max_snapshots, u64 region_size); 1838 void devl_region_destroy(struct devlink_region *region); 1839 void devlink_region_destroy(struct devlink_region *region); 1840 int devlink_region_snapshot_id_get(struct devlink *devlink, u32 *id); 1841 void devlink_region_snapshot_id_put(struct devlink *devlink, u32 id); 1842 int devlink_region_snapshot_create(struct devlink_region *region, 1843 u8 *data, u32 snapshot_id); 1844 int devlink_info_serial_number_put(struct devlink_info_req *req, 1845 const char *sn); 1846 int devlink_info_board_serial_number_put(struct devlink_info_req *req, 1847 const char *bsn); 1848 1849 enum devlink_info_version_type { 1850 DEVLINK_INFO_VERSION_TYPE_NONE, 1851 DEVLINK_INFO_VERSION_TYPE_COMPONENT, /* May be used as flash update 1852 * component by name. 1853 */ 1854 }; 1855 1856 int devlink_info_version_fixed_put(struct devlink_info_req *req, 1857 const char *version_name, 1858 const char *version_value); 1859 int devlink_info_version_stored_put(struct devlink_info_req *req, 1860 const char *version_name, 1861 const char *version_value); 1862 int devlink_info_version_stored_put_ext(struct devlink_info_req *req, 1863 const char *version_name, 1864 const char *version_value, 1865 enum devlink_info_version_type version_type); 1866 int devlink_info_version_running_put(struct devlink_info_req *req, 1867 const char *version_name, 1868 const char *version_value); 1869 int devlink_info_version_running_put_ext(struct devlink_info_req *req, 1870 const char *version_name, 1871 const char *version_value, 1872 enum devlink_info_version_type version_type); 1873 1874 void devlink_fmsg_obj_nest_start(struct devlink_fmsg *fmsg); 1875 void devlink_fmsg_obj_nest_end(struct devlink_fmsg *fmsg); 1876 1877 void devlink_fmsg_pair_nest_start(struct devlink_fmsg *fmsg, const char *name); 1878 void devlink_fmsg_pair_nest_end(struct devlink_fmsg *fmsg); 1879 1880 void devlink_fmsg_arr_pair_nest_start(struct devlink_fmsg *fmsg, 1881 const char *name); 1882 void devlink_fmsg_arr_pair_nest_end(struct devlink_fmsg *fmsg); 1883 void devlink_fmsg_binary_pair_nest_start(struct devlink_fmsg *fmsg, 1884 const char *name); 1885 void devlink_fmsg_binary_pair_nest_end(struct devlink_fmsg *fmsg); 1886 1887 void devlink_fmsg_u32_put(struct devlink_fmsg *fmsg, u32 value); 1888 void devlink_fmsg_string_put(struct devlink_fmsg *fmsg, const char *value); 1889 void devlink_fmsg_binary_put(struct devlink_fmsg *fmsg, const void *value, 1890 u16 value_len); 1891 1892 void devlink_fmsg_bool_pair_put(struct devlink_fmsg *fmsg, const char *name, 1893 bool value); 1894 void devlink_fmsg_u8_pair_put(struct devlink_fmsg *fmsg, const char *name, 1895 u8 value); 1896 void devlink_fmsg_u32_pair_put(struct devlink_fmsg *fmsg, const char *name, 1897 u32 value); 1898 void devlink_fmsg_u64_pair_put(struct devlink_fmsg *fmsg, const char *name, 1899 u64 value); 1900 void devlink_fmsg_string_pair_put(struct devlink_fmsg *fmsg, const char *name, 1901 const char *value); 1902 void devlink_fmsg_binary_pair_put(struct devlink_fmsg *fmsg, const char *name, 1903 const void *value, u32 value_len); 1904 1905 struct devlink_health_reporter * 1906 devl_port_health_reporter_create(struct devlink_port *port, 1907 const struct devlink_health_reporter_ops *ops, 1908 u64 graceful_period, void *priv); 1909 1910 struct devlink_health_reporter * 1911 devlink_port_health_reporter_create(struct devlink_port *port, 1912 const struct devlink_health_reporter_ops *ops, 1913 u64 graceful_period, void *priv); 1914 1915 struct devlink_health_reporter * 1916 devl_health_reporter_create(struct devlink *devlink, 1917 const struct devlink_health_reporter_ops *ops, 1918 u64 graceful_period, void *priv); 1919 1920 struct devlink_health_reporter * 1921 devlink_health_reporter_create(struct devlink *devlink, 1922 const struct devlink_health_reporter_ops *ops, 1923 u64 graceful_period, void *priv); 1924 1925 void 1926 devl_health_reporter_destroy(struct devlink_health_reporter *reporter); 1927 1928 void 1929 devlink_health_reporter_destroy(struct devlink_health_reporter *reporter); 1930 1931 void * 1932 devlink_health_reporter_priv(struct devlink_health_reporter *reporter); 1933 int devlink_health_report(struct devlink_health_reporter *reporter, 1934 const char *msg, void *priv_ctx); 1935 void 1936 devlink_health_reporter_state_update(struct devlink_health_reporter *reporter, 1937 enum devlink_health_reporter_state state); 1938 void 1939 devlink_health_reporter_recovery_done(struct devlink_health_reporter *reporter); 1940 1941 int devl_nested_devlink_set(struct devlink *devlink, 1942 struct devlink *nested_devlink); 1943 bool devlink_is_reload_failed(const struct devlink *devlink); 1944 void devlink_remote_reload_actions_performed(struct devlink *devlink, 1945 enum devlink_reload_limit limit, 1946 u32 actions_performed); 1947 1948 void devlink_flash_update_status_notify(struct devlink *devlink, 1949 const char *status_msg, 1950 const char *component, 1951 unsigned long done, 1952 unsigned long total); 1953 void devlink_flash_update_timeout_notify(struct devlink *devlink, 1954 const char *status_msg, 1955 const char *component, 1956 unsigned long timeout); 1957 1958 int devl_traps_register(struct devlink *devlink, 1959 const struct devlink_trap *traps, 1960 size_t traps_count, void *priv); 1961 int devlink_traps_register(struct devlink *devlink, 1962 const struct devlink_trap *traps, 1963 size_t traps_count, void *priv); 1964 void devl_traps_unregister(struct devlink *devlink, 1965 const struct devlink_trap *traps, 1966 size_t traps_count); 1967 void devlink_traps_unregister(struct devlink *devlink, 1968 const struct devlink_trap *traps, 1969 size_t traps_count); 1970 void devlink_trap_report(struct devlink *devlink, struct sk_buff *skb, 1971 void *trap_ctx, struct devlink_port *in_devlink_port, 1972 const struct flow_action_cookie *fa_cookie); 1973 void *devlink_trap_ctx_priv(void *trap_ctx); 1974 int devl_trap_groups_register(struct devlink *devlink, 1975 const struct devlink_trap_group *groups, 1976 size_t groups_count); 1977 int devlink_trap_groups_register(struct devlink *devlink, 1978 const struct devlink_trap_group *groups, 1979 size_t groups_count); 1980 void devl_trap_groups_unregister(struct devlink *devlink, 1981 const struct devlink_trap_group *groups, 1982 size_t groups_count); 1983 void devlink_trap_groups_unregister(struct devlink *devlink, 1984 const struct devlink_trap_group *groups, 1985 size_t groups_count); 1986 int 1987 devl_trap_policers_register(struct devlink *devlink, 1988 const struct devlink_trap_policer *policers, 1989 size_t policers_count); 1990 void 1991 devl_trap_policers_unregister(struct devlink *devlink, 1992 const struct devlink_trap_policer *policers, 1993 size_t policers_count); 1994 1995 #if IS_ENABLED(CONFIG_NET_DEVLINK) 1996 1997 struct devlink *__must_check devlink_try_get(struct devlink *devlink); 1998 void devlink_put(struct devlink *devlink); 1999 2000 void devlink_compat_running_version(struct devlink *devlink, 2001 char *buf, size_t len); 2002 int devlink_compat_flash_update(struct devlink *devlink, const char *file_name); 2003 int devlink_compat_phys_port_name_get(struct net_device *dev, 2004 char *name, size_t len); 2005 int devlink_compat_switch_id_get(struct net_device *dev, 2006 struct netdev_phys_item_id *ppid); 2007 2008 int devlink_nl_port_handle_fill(struct sk_buff *msg, struct devlink_port *devlink_port); 2009 size_t devlink_nl_port_handle_size(struct devlink_port *devlink_port); 2010 2011 #else 2012 devlink_try_get(struct devlink * devlink)2013 static inline struct devlink *devlink_try_get(struct devlink *devlink) 2014 { 2015 return NULL; 2016 } 2017 devlink_put(struct devlink * devlink)2018 static inline void devlink_put(struct devlink *devlink) 2019 { 2020 } 2021 2022 static inline void devlink_compat_running_version(struct devlink * devlink,char * buf,size_t len)2023 devlink_compat_running_version(struct devlink *devlink, char *buf, size_t len) 2024 { 2025 } 2026 2027 static inline int devlink_compat_flash_update(struct devlink * devlink,const char * file_name)2028 devlink_compat_flash_update(struct devlink *devlink, const char *file_name) 2029 { 2030 return -EOPNOTSUPP; 2031 } 2032 2033 static inline int devlink_compat_phys_port_name_get(struct net_device * dev,char * name,size_t len)2034 devlink_compat_phys_port_name_get(struct net_device *dev, 2035 char *name, size_t len) 2036 { 2037 return -EOPNOTSUPP; 2038 } 2039 2040 static inline int devlink_compat_switch_id_get(struct net_device * dev,struct netdev_phys_item_id * ppid)2041 devlink_compat_switch_id_get(struct net_device *dev, 2042 struct netdev_phys_item_id *ppid) 2043 { 2044 return -EOPNOTSUPP; 2045 } 2046 2047 static inline int devlink_nl_port_handle_fill(struct sk_buff * msg,struct devlink_port * devlink_port)2048 devlink_nl_port_handle_fill(struct sk_buff *msg, struct devlink_port *devlink_port) 2049 { 2050 return 0; 2051 } 2052 devlink_nl_port_handle_size(struct devlink_port * devlink_port)2053 static inline size_t devlink_nl_port_handle_size(struct devlink_port *devlink_port) 2054 { 2055 return 0; 2056 } 2057 2058 #endif 2059 2060 #endif /* _NET_DEVLINK_H_ */ 2061