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 function number for the devlink port instance 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 function number for the devlink port instance 51 * @vf: associated PCI VF number of a PF for the devlink port instance; 52 * VF number starts from 0 for the first PCI virtual function 53 * @external: when set, indicates if a port is for an external controller 54 */ 55 struct devlink_port_pci_vf_attrs { 56 u32 controller; 57 u16 pf; 58 u16 vf; 59 u8 external:1; 60 }; 61 62 /** 63 * struct devlink_port_pci_sf_attrs - devlink port's PCI SF attributes 64 * @controller: Associated controller number 65 * @sf: associated SF number of a PF for the devlink port instance 66 * @pf: associated PCI function number for the devlink port instance 67 * @external: when set, indicates if a port is for an external controller 68 */ 69 struct devlink_port_pci_sf_attrs { 70 u32 controller; 71 u32 sf; 72 u16 pf; 73 u8 external:1; 74 }; 75 76 /** 77 * struct devlink_port_attrs - devlink port object 78 * @flavour: flavour of the port 79 * @split: indicates if this is split port 80 * @splittable: indicates if the port can be split. 81 * @lanes: maximum number of lanes the port supports. 0 value is not passed to netlink. 82 * @switch_id: if the port is part of switch, this is buffer with ID, otherwise this is NULL 83 * @phys: physical port attributes 84 * @pci_pf: PCI PF port attributes 85 * @pci_vf: PCI VF port attributes 86 * @pci_sf: PCI SF port attributes 87 */ 88 struct devlink_port_attrs { 89 u8 split:1, 90 splittable:1; 91 u32 lanes; 92 enum devlink_port_flavour flavour; 93 struct netdev_phys_item_id switch_id; 94 union { 95 struct devlink_port_phys_attrs phys; 96 struct devlink_port_pci_pf_attrs pci_pf; 97 struct devlink_port_pci_vf_attrs pci_vf; 98 struct devlink_port_pci_sf_attrs pci_sf; 99 }; 100 }; 101 102 struct devlink_rate { 103 struct list_head list; 104 enum devlink_rate_type type; 105 struct devlink *devlink; 106 void *priv; 107 u64 tx_share; 108 u64 tx_max; 109 110 struct devlink_rate *parent; 111 union { 112 struct devlink_port *devlink_port; 113 struct { 114 char *name; 115 refcount_t refcnt; 116 }; 117 }; 118 119 u32 tx_priority; 120 u32 tx_weight; 121 }; 122 123 struct devlink_port { 124 struct list_head list; 125 struct list_head region_list; 126 struct devlink *devlink; 127 const struct devlink_port_ops *ops; 128 unsigned int index; 129 spinlock_t type_lock; /* Protects type and type_eth/ib 130 * structures consistency. 131 */ 132 enum devlink_port_type type; 133 enum devlink_port_type desired_type; 134 union { 135 struct { 136 struct net_device *netdev; 137 int ifindex; 138 char ifname[IFNAMSIZ]; 139 } type_eth; 140 struct { 141 struct ib_device *ibdev; 142 } type_ib; 143 }; 144 struct devlink_port_attrs attrs; 145 u8 attrs_set:1, 146 switch_port:1, 147 registered:1, 148 initialized:1; 149 struct delayed_work type_warn_dw; 150 struct list_head reporter_list; 151 152 struct devlink_rate *devlink_rate; 153 struct devlink_linecard *linecard; 154 u32 rel_index; 155 }; 156 157 struct devlink_port_new_attrs { 158 enum devlink_port_flavour flavour; 159 unsigned int port_index; 160 u32 controller; 161 u32 sfnum; 162 u16 pfnum; 163 u8 port_index_valid:1, 164 controller_valid:1, 165 sfnum_valid:1; 166 }; 167 168 /** 169 * struct devlink_linecard_ops - Linecard operations 170 * @provision: callback to provision the linecard slot with certain 171 * type of linecard. As a result of this operation, 172 * driver is expected to eventually (could be after 173 * the function call returns) call one of: 174 * devlink_linecard_provision_set() 175 * devlink_linecard_provision_fail() 176 * @unprovision: callback to unprovision the linecard slot. As a result 177 * of this operation, driver is expected to eventually 178 * (could be after the function call returns) call 179 * devlink_linecard_provision_clear() 180 * devlink_linecard_provision_fail() 181 * @same_provision: callback to ask the driver if linecard is already 182 * provisioned in the same way user asks this linecard to be 183 * provisioned. 184 * @types_count: callback to get number of supported types 185 * @types_get: callback to get next type in list 186 */ 187 struct devlink_linecard_ops { 188 int (*provision)(struct devlink_linecard *linecard, void *priv, 189 const char *type, const void *type_priv, 190 struct netlink_ext_ack *extack); 191 int (*unprovision)(struct devlink_linecard *linecard, void *priv, 192 struct netlink_ext_ack *extack); 193 bool (*same_provision)(struct devlink_linecard *linecard, void *priv, 194 const char *type, const void *type_priv); 195 unsigned int (*types_count)(struct devlink_linecard *linecard, 196 void *priv); 197 void (*types_get)(struct devlink_linecard *linecard, 198 void *priv, unsigned int index, const char **type, 199 const void **type_priv); 200 }; 201 202 struct devlink_sb_pool_info { 203 enum devlink_sb_pool_type pool_type; 204 u32 size; 205 enum devlink_sb_threshold_type threshold_type; 206 u32 cell_size; 207 }; 208 209 /** 210 * struct devlink_dpipe_field - dpipe field object 211 * @name: field name 212 * @id: index inside the headers field array 213 * @bitwidth: bitwidth 214 * @mapping_type: mapping type 215 */ 216 struct devlink_dpipe_field { 217 const char *name; 218 unsigned int id; 219 unsigned int bitwidth; 220 enum devlink_dpipe_field_mapping_type mapping_type; 221 }; 222 223 /** 224 * struct devlink_dpipe_header - dpipe header object 225 * @name: header name 226 * @id: index, global/local determined by global bit 227 * @fields: fields 228 * @fields_count: number of fields 229 * @global: indicates if header is shared like most protocol header 230 * or driver specific 231 */ 232 struct devlink_dpipe_header { 233 const char *name; 234 unsigned int id; 235 struct devlink_dpipe_field *fields; 236 unsigned int fields_count; 237 bool global; 238 }; 239 240 /** 241 * struct devlink_dpipe_match - represents match operation 242 * @type: type of match 243 * @header_index: header index (packets can have several headers of same 244 * type like in case of tunnels) 245 * @header: header 246 * @field_id: field index 247 */ 248 struct devlink_dpipe_match { 249 enum devlink_dpipe_match_type type; 250 unsigned int header_index; 251 struct devlink_dpipe_header *header; 252 unsigned int field_id; 253 }; 254 255 /** 256 * struct devlink_dpipe_action - represents action operation 257 * @type: type of action 258 * @header_index: header index (packets can have several headers of same 259 * type like in case of tunnels) 260 * @header: header 261 * @field_id: field index 262 */ 263 struct devlink_dpipe_action { 264 enum devlink_dpipe_action_type type; 265 unsigned int header_index; 266 struct devlink_dpipe_header *header; 267 unsigned int field_id; 268 }; 269 270 /** 271 * struct devlink_dpipe_value - represents value of match/action 272 * @action: action 273 * @match: match 274 * @mapping_value: in case the field has some mapping this value 275 * specified the mapping value 276 * @mapping_valid: specify if mapping value is valid 277 * @value_size: value size 278 * @value: value 279 * @mask: bit mask 280 */ 281 struct devlink_dpipe_value { 282 union { 283 struct devlink_dpipe_action *action; 284 struct devlink_dpipe_match *match; 285 }; 286 unsigned int mapping_value; 287 bool mapping_valid; 288 unsigned int value_size; 289 void *value; 290 void *mask; 291 }; 292 293 /** 294 * struct devlink_dpipe_entry - table entry object 295 * @index: index of the entry in the table 296 * @match_values: match values 297 * @match_values_count: count of matches tuples 298 * @action_values: actions values 299 * @action_values_count: count of actions values 300 * @counter: value of counter 301 * @counter_valid: Specify if value is valid from hardware 302 */ 303 struct devlink_dpipe_entry { 304 u64 index; 305 struct devlink_dpipe_value *match_values; 306 unsigned int match_values_count; 307 struct devlink_dpipe_value *action_values; 308 unsigned int action_values_count; 309 u64 counter; 310 bool counter_valid; 311 }; 312 313 /** 314 * struct devlink_dpipe_dump_ctx - context provided to driver in order 315 * to dump 316 * @info: info 317 * @cmd: devlink command 318 * @skb: skb 319 * @nest: top attribute 320 * @hdr: hdr 321 */ 322 struct devlink_dpipe_dump_ctx { 323 struct genl_info *info; 324 enum devlink_command cmd; 325 struct sk_buff *skb; 326 struct nlattr *nest; 327 void *hdr; 328 }; 329 330 struct devlink_dpipe_table_ops; 331 332 /** 333 * struct devlink_dpipe_table - table object 334 * @priv: private 335 * @name: table name 336 * @counters_enabled: indicates if counters are active 337 * @counter_control_extern: indicates if counter control is in dpipe or 338 * external tool 339 * @resource_valid: Indicate that the resource id is valid 340 * @resource_id: relative resource this table is related to 341 * @resource_units: number of resource's unit consumed per table's entry 342 * @table_ops: table operations 343 * @rcu: rcu 344 */ 345 struct devlink_dpipe_table { 346 void *priv; 347 /* private: */ 348 struct list_head list; 349 /* public: */ 350 const char *name; 351 bool counters_enabled; 352 bool counter_control_extern; 353 bool resource_valid; 354 u64 resource_id; 355 u64 resource_units; 356 const struct devlink_dpipe_table_ops *table_ops; 357 struct rcu_head rcu; 358 }; 359 360 /** 361 * struct devlink_dpipe_table_ops - dpipe_table ops 362 * @actions_dump: dumps all tables actions 363 * @matches_dump: dumps all tables matches 364 * @entries_dump: dumps all active entries in the table 365 * @counters_set_update: when changing the counter status hardware sync 366 * maybe needed to allocate/free counter related 367 * resources 368 * @size_get: get size 369 */ 370 struct devlink_dpipe_table_ops { 371 int (*actions_dump)(void *priv, struct sk_buff *skb); 372 int (*matches_dump)(void *priv, struct sk_buff *skb); 373 int (*entries_dump)(void *priv, bool counters_enabled, 374 struct devlink_dpipe_dump_ctx *dump_ctx); 375 int (*counters_set_update)(void *priv, bool enable); 376 u64 (*size_get)(void *priv); 377 }; 378 379 /** 380 * struct devlink_dpipe_headers - dpipe headers 381 * @headers: header array can be shared (global bit) or driver specific 382 * @headers_count: count of headers 383 */ 384 struct devlink_dpipe_headers { 385 struct devlink_dpipe_header **headers; 386 unsigned int headers_count; 387 }; 388 389 /** 390 * struct devlink_resource_size_params - resource's size parameters 391 * @size_min: minimum size which can be set 392 * @size_max: maximum size which can be set 393 * @size_granularity: size granularity 394 * @unit: resource's basic unit 395 */ 396 struct devlink_resource_size_params { 397 u64 size_min; 398 u64 size_max; 399 u64 size_granularity; 400 enum devlink_resource_unit unit; 401 }; 402 403 static inline void 404 devlink_resource_size_params_init(struct devlink_resource_size_params *size_params, 405 u64 size_min, u64 size_max, 406 u64 size_granularity, 407 enum devlink_resource_unit unit) 408 { 409 size_params->size_min = size_min; 410 size_params->size_max = size_max; 411 size_params->size_granularity = size_granularity; 412 size_params->unit = unit; 413 } 414 415 typedef u64 devlink_resource_occ_get_t(void *priv); 416 417 #define DEVLINK_RESOURCE_ID_PARENT_TOP 0 418 419 #define DEVLINK_RESOURCE_GENERIC_NAME_PORTS "physical_ports" 420 421 #define __DEVLINK_PARAM_MAX_STRING_VALUE 32 422 enum devlink_param_type { 423 DEVLINK_PARAM_TYPE_U8 = DEVLINK_VAR_ATTR_TYPE_U8, 424 DEVLINK_PARAM_TYPE_U16 = DEVLINK_VAR_ATTR_TYPE_U16, 425 DEVLINK_PARAM_TYPE_U32 = DEVLINK_VAR_ATTR_TYPE_U32, 426 DEVLINK_PARAM_TYPE_STRING = DEVLINK_VAR_ATTR_TYPE_STRING, 427 DEVLINK_PARAM_TYPE_BOOL = DEVLINK_VAR_ATTR_TYPE_FLAG, 428 }; 429 430 union devlink_param_value { 431 u8 vu8; 432 u16 vu16; 433 u32 vu32; 434 char vstr[__DEVLINK_PARAM_MAX_STRING_VALUE]; 435 bool vbool; 436 }; 437 438 struct devlink_param_gset_ctx { 439 union devlink_param_value val; 440 enum devlink_param_cmode cmode; 441 }; 442 443 /** 444 * struct devlink_flash_notify - devlink dev flash notify data 445 * @status_msg: current status string 446 * @component: firmware component being updated 447 * @done: amount of work completed of total amount 448 * @total: amount of work expected to be done 449 * @timeout: expected max timeout in seconds 450 * 451 * These are values to be given to userland to be displayed in order 452 * to show current activity in a firmware update process. 453 */ 454 struct devlink_flash_notify { 455 const char *status_msg; 456 const char *component; 457 unsigned long done; 458 unsigned long total; 459 unsigned long timeout; 460 }; 461 462 /** 463 * struct devlink_param - devlink configuration parameter data 464 * @id: devlink parameter id number 465 * @name: name of the parameter 466 * @generic: indicates if the parameter is generic or driver specific 467 * @type: parameter type 468 * @supported_cmodes: bitmap of supported configuration modes 469 * @get: get parameter value, used for runtime and permanent 470 * configuration modes 471 * @set: set parameter value, used for runtime and permanent 472 * configuration modes 473 * @validate: validate input value is applicable (within value range, etc.) 474 * 475 * This struct should be used by the driver to fill the data for 476 * a parameter it registers. 477 */ 478 struct devlink_param { 479 u32 id; 480 const char *name; 481 bool generic; 482 enum devlink_param_type type; 483 unsigned long supported_cmodes; 484 int (*get)(struct devlink *devlink, u32 id, 485 struct devlink_param_gset_ctx *ctx); 486 int (*set)(struct devlink *devlink, u32 id, 487 struct devlink_param_gset_ctx *ctx, 488 struct netlink_ext_ack *extack); 489 int (*validate)(struct devlink *devlink, u32 id, 490 union devlink_param_value val, 491 struct netlink_ext_ack *extack); 492 }; 493 494 struct devlink_param_item { 495 struct list_head list; 496 const struct devlink_param *param; 497 union devlink_param_value driverinit_value; 498 bool driverinit_value_valid; 499 union devlink_param_value driverinit_value_new; /* Not reachable 500 * until reload. 501 */ 502 bool driverinit_value_new_valid; 503 }; 504 505 enum devlink_param_generic_id { 506 DEVLINK_PARAM_GENERIC_ID_INT_ERR_RESET, 507 DEVLINK_PARAM_GENERIC_ID_MAX_MACS, 508 DEVLINK_PARAM_GENERIC_ID_ENABLE_SRIOV, 509 DEVLINK_PARAM_GENERIC_ID_REGION_SNAPSHOT, 510 DEVLINK_PARAM_GENERIC_ID_IGNORE_ARI, 511 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX, 512 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN, 513 DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY, 514 DEVLINK_PARAM_GENERIC_ID_RESET_DEV_ON_DRV_PROBE, 515 DEVLINK_PARAM_GENERIC_ID_ENABLE_ROCE, 516 DEVLINK_PARAM_GENERIC_ID_ENABLE_REMOTE_DEV_RESET, 517 DEVLINK_PARAM_GENERIC_ID_ENABLE_ETH, 518 DEVLINK_PARAM_GENERIC_ID_ENABLE_RDMA, 519 DEVLINK_PARAM_GENERIC_ID_ENABLE_VNET, 520 DEVLINK_PARAM_GENERIC_ID_ENABLE_IWARP, 521 DEVLINK_PARAM_GENERIC_ID_IO_EQ_SIZE, 522 DEVLINK_PARAM_GENERIC_ID_EVENT_EQ_SIZE, 523 DEVLINK_PARAM_GENERIC_ID_ENABLE_PHC, 524 525 /* add new param generic ids above here*/ 526 __DEVLINK_PARAM_GENERIC_ID_MAX, 527 DEVLINK_PARAM_GENERIC_ID_MAX = __DEVLINK_PARAM_GENERIC_ID_MAX - 1, 528 }; 529 530 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_NAME "internal_error_reset" 531 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL 532 533 #define DEVLINK_PARAM_GENERIC_MAX_MACS_NAME "max_macs" 534 #define DEVLINK_PARAM_GENERIC_MAX_MACS_TYPE DEVLINK_PARAM_TYPE_U32 535 536 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_NAME "enable_sriov" 537 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_TYPE DEVLINK_PARAM_TYPE_BOOL 538 539 #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_NAME "region_snapshot_enable" 540 #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_TYPE DEVLINK_PARAM_TYPE_BOOL 541 542 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_NAME "ignore_ari" 543 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_TYPE DEVLINK_PARAM_TYPE_BOOL 544 545 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_NAME "msix_vec_per_pf_max" 546 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_TYPE DEVLINK_PARAM_TYPE_U32 547 548 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_NAME "msix_vec_per_pf_min" 549 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_TYPE DEVLINK_PARAM_TYPE_U32 550 551 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_NAME "fw_load_policy" 552 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_TYPE DEVLINK_PARAM_TYPE_U8 553 554 #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_NAME \ 555 "reset_dev_on_drv_probe" 556 #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_TYPE DEVLINK_PARAM_TYPE_U8 557 558 #define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_NAME "enable_roce" 559 #define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_TYPE DEVLINK_PARAM_TYPE_BOOL 560 561 #define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_NAME "enable_remote_dev_reset" 562 #define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL 563 564 #define DEVLINK_PARAM_GENERIC_ENABLE_ETH_NAME "enable_eth" 565 #define DEVLINK_PARAM_GENERIC_ENABLE_ETH_TYPE DEVLINK_PARAM_TYPE_BOOL 566 567 #define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_NAME "enable_rdma" 568 #define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_TYPE DEVLINK_PARAM_TYPE_BOOL 569 570 #define DEVLINK_PARAM_GENERIC_ENABLE_VNET_NAME "enable_vnet" 571 #define DEVLINK_PARAM_GENERIC_ENABLE_VNET_TYPE DEVLINK_PARAM_TYPE_BOOL 572 573 #define DEVLINK_PARAM_GENERIC_ENABLE_IWARP_NAME "enable_iwarp" 574 #define DEVLINK_PARAM_GENERIC_ENABLE_IWARP_TYPE DEVLINK_PARAM_TYPE_BOOL 575 576 #define DEVLINK_PARAM_GENERIC_IO_EQ_SIZE_NAME "io_eq_size" 577 #define DEVLINK_PARAM_GENERIC_IO_EQ_SIZE_TYPE DEVLINK_PARAM_TYPE_U32 578 579 #define DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_NAME "event_eq_size" 580 #define DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_TYPE DEVLINK_PARAM_TYPE_U32 581 582 #define DEVLINK_PARAM_GENERIC_ENABLE_PHC_NAME "enable_phc" 583 #define DEVLINK_PARAM_GENERIC_ENABLE_PHC_TYPE DEVLINK_PARAM_TYPE_BOOL 584 585 #define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate) \ 586 { \ 587 .id = DEVLINK_PARAM_GENERIC_ID_##_id, \ 588 .name = DEVLINK_PARAM_GENERIC_##_id##_NAME, \ 589 .type = DEVLINK_PARAM_GENERIC_##_id##_TYPE, \ 590 .generic = true, \ 591 .supported_cmodes = _cmodes, \ 592 .get = _get, \ 593 .set = _set, \ 594 .validate = _validate, \ 595 } 596 597 #define DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, _get, _set, _validate) \ 598 { \ 599 .id = _id, \ 600 .name = _name, \ 601 .type = _type, \ 602 .supported_cmodes = _cmodes, \ 603 .get = _get, \ 604 .set = _set, \ 605 .validate = _validate, \ 606 } 607 608 /* Identifier of board design */ 609 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_ID "board.id" 610 /* Revision of board design */ 611 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_REV "board.rev" 612 /* Maker of the board */ 613 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_MANUFACTURE "board.manufacture" 614 /* Part number of the board and its components */ 615 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_PART_NUMBER "board.part_number" 616 617 /* Part number, identifier of asic design */ 618 #define DEVLINK_INFO_VERSION_GENERIC_ASIC_ID "asic.id" 619 /* Revision of asic design */ 620 #define DEVLINK_INFO_VERSION_GENERIC_ASIC_REV "asic.rev" 621 622 /* Overall FW version */ 623 #define DEVLINK_INFO_VERSION_GENERIC_FW "fw" 624 /* Control processor FW version */ 625 #define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT "fw.mgmt" 626 /* FW interface specification version */ 627 #define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT_API "fw.mgmt.api" 628 /* Data path microcode controlling high-speed packet processing */ 629 #define DEVLINK_INFO_VERSION_GENERIC_FW_APP "fw.app" 630 /* UNDI software version */ 631 #define DEVLINK_INFO_VERSION_GENERIC_FW_UNDI "fw.undi" 632 /* NCSI support/handler version */ 633 #define DEVLINK_INFO_VERSION_GENERIC_FW_NCSI "fw.ncsi" 634 /* FW parameter set id */ 635 #define DEVLINK_INFO_VERSION_GENERIC_FW_PSID "fw.psid" 636 /* RoCE FW version */ 637 #define DEVLINK_INFO_VERSION_GENERIC_FW_ROCE "fw.roce" 638 /* Firmware bundle identifier */ 639 #define DEVLINK_INFO_VERSION_GENERIC_FW_BUNDLE_ID "fw.bundle_id" 640 /* Bootloader */ 641 #define DEVLINK_INFO_VERSION_GENERIC_FW_BOOTLOADER "fw.bootloader" 642 643 /** 644 * struct devlink_flash_update_params - Flash Update parameters 645 * @fw: pointer to the firmware data to update from 646 * @component: the flash component to update 647 * @overwrite_mask: which types of flash update are supported (may be %0) 648 * 649 * With the exception of fw, drivers must opt-in to parameters by 650 * setting the appropriate bit in the supported_flash_update_params field in 651 * their devlink_ops structure. 652 */ 653 struct devlink_flash_update_params { 654 const struct firmware *fw; 655 const char *component; 656 u32 overwrite_mask; 657 }; 658 659 #define DEVLINK_SUPPORT_FLASH_UPDATE_OVERWRITE_MASK BIT(0) 660 661 struct devlink_region; 662 struct devlink_info_req; 663 664 /** 665 * struct devlink_region_ops - Region operations 666 * @name: region name 667 * @destructor: callback used to free snapshot memory when deleting 668 * @snapshot: callback to request an immediate snapshot. On success, 669 * the data variable must be updated to point to the snapshot data. 670 * The function will be called while the devlink instance lock is 671 * held. 672 * @read: callback to directly read a portion of the region. On success, 673 * the data pointer will be updated with the contents of the 674 * requested portion of the region. The function will be called 675 * while the devlink instance lock is held. 676 * @priv: Pointer to driver private data for the region operation 677 */ 678 struct devlink_region_ops { 679 const char *name; 680 void (*destructor)(const void *data); 681 int (*snapshot)(struct devlink *devlink, 682 const struct devlink_region_ops *ops, 683 struct netlink_ext_ack *extack, 684 u8 **data); 685 int (*read)(struct devlink *devlink, 686 const struct devlink_region_ops *ops, 687 struct netlink_ext_ack *extack, 688 u64 offset, u32 size, u8 *data); 689 void *priv; 690 }; 691 692 /** 693 * struct devlink_port_region_ops - Region operations for a port 694 * @name: region name 695 * @destructor: callback used to free snapshot memory when deleting 696 * @snapshot: callback to request an immediate snapshot. On success, 697 * the data variable must be updated to point to the snapshot data. 698 * The function will be called while the devlink instance lock is 699 * held. 700 * @read: callback to directly read a portion of the region. On success, 701 * the data pointer will be updated with the contents of the 702 * requested portion of the region. The function will be called 703 * while the devlink instance lock is held. 704 * @priv: Pointer to driver private data for the region operation 705 */ 706 struct devlink_port_region_ops { 707 const char *name; 708 void (*destructor)(const void *data); 709 int (*snapshot)(struct devlink_port *port, 710 const struct devlink_port_region_ops *ops, 711 struct netlink_ext_ack *extack, 712 u8 **data); 713 int (*read)(struct devlink_port *port, 714 const struct devlink_port_region_ops *ops, 715 struct netlink_ext_ack *extack, 716 u64 offset, u32 size, u8 *data); 717 void *priv; 718 }; 719 720 struct devlink_fmsg; 721 struct devlink_health_reporter; 722 723 enum devlink_health_reporter_state { 724 DEVLINK_HEALTH_REPORTER_STATE_HEALTHY, 725 DEVLINK_HEALTH_REPORTER_STATE_ERROR, 726 }; 727 728 /** 729 * struct devlink_health_reporter_ops - Reporter operations 730 * @name: reporter name 731 * @recover: callback to recover from reported error 732 * if priv_ctx is NULL, run a full recover 733 * @dump: callback to dump an object 734 * if priv_ctx is NULL, run a full dump 735 * @diagnose: callback to diagnose the current status 736 * @test: callback to trigger a test event 737 */ 738 739 struct devlink_health_reporter_ops { 740 char *name; 741 int (*recover)(struct devlink_health_reporter *reporter, 742 void *priv_ctx, struct netlink_ext_ack *extack); 743 int (*dump)(struct devlink_health_reporter *reporter, 744 struct devlink_fmsg *fmsg, void *priv_ctx, 745 struct netlink_ext_ack *extack); 746 int (*diagnose)(struct devlink_health_reporter *reporter, 747 struct devlink_fmsg *fmsg, 748 struct netlink_ext_ack *extack); 749 int (*test)(struct devlink_health_reporter *reporter, 750 struct netlink_ext_ack *extack); 751 }; 752 753 /** 754 * struct devlink_trap_metadata - Packet trap metadata. 755 * @trap_name: Trap name. 756 * @trap_group_name: Trap group name. 757 * @input_dev: Input netdevice. 758 * @dev_tracker: refcount tracker for @input_dev. 759 * @fa_cookie: Flow action user cookie. 760 * @trap_type: Trap type. 761 */ 762 struct devlink_trap_metadata { 763 const char *trap_name; 764 const char *trap_group_name; 765 766 struct net_device *input_dev; 767 netdevice_tracker dev_tracker; 768 769 const struct flow_action_cookie *fa_cookie; 770 enum devlink_trap_type trap_type; 771 }; 772 773 /** 774 * struct devlink_trap_policer - Immutable packet trap policer attributes. 775 * @id: Policer identifier. 776 * @init_rate: Initial rate in packets / sec. 777 * @init_burst: Initial burst size in packets. 778 * @max_rate: Maximum rate. 779 * @min_rate: Minimum rate. 780 * @max_burst: Maximum burst size. 781 * @min_burst: Minimum burst size. 782 * 783 * Describes immutable attributes of packet trap policers that drivers register 784 * with devlink. 785 */ 786 struct devlink_trap_policer { 787 u32 id; 788 u64 init_rate; 789 u64 init_burst; 790 u64 max_rate; 791 u64 min_rate; 792 u64 max_burst; 793 u64 min_burst; 794 }; 795 796 /** 797 * struct devlink_trap_group - Immutable packet trap group attributes. 798 * @name: Trap group name. 799 * @id: Trap group identifier. 800 * @generic: Whether the trap group is generic or not. 801 * @init_policer_id: Initial policer identifier. 802 * 803 * Describes immutable attributes of packet trap groups that drivers register 804 * with devlink. 805 */ 806 struct devlink_trap_group { 807 const char *name; 808 u16 id; 809 bool generic; 810 u32 init_policer_id; 811 }; 812 813 #define DEVLINK_TRAP_METADATA_TYPE_F_IN_PORT BIT(0) 814 #define DEVLINK_TRAP_METADATA_TYPE_F_FA_COOKIE BIT(1) 815 816 /** 817 * struct devlink_trap - Immutable packet trap attributes. 818 * @type: Trap type. 819 * @init_action: Initial trap action. 820 * @generic: Whether the trap is generic or not. 821 * @id: Trap identifier. 822 * @name: Trap name. 823 * @init_group_id: Initial group identifier. 824 * @metadata_cap: Metadata types that can be provided by the trap. 825 * 826 * Describes immutable attributes of packet traps that drivers register with 827 * devlink. 828 */ 829 struct devlink_trap { 830 enum devlink_trap_type type; 831 enum devlink_trap_action init_action; 832 bool generic; 833 u16 id; 834 const char *name; 835 u16 init_group_id; 836 u32 metadata_cap; 837 }; 838 839 /* All traps must be documented in 840 * Documentation/networking/devlink/devlink-trap.rst 841 */ 842 enum devlink_trap_generic_id { 843 DEVLINK_TRAP_GENERIC_ID_SMAC_MC, 844 DEVLINK_TRAP_GENERIC_ID_VLAN_TAG_MISMATCH, 845 DEVLINK_TRAP_GENERIC_ID_INGRESS_VLAN_FILTER, 846 DEVLINK_TRAP_GENERIC_ID_INGRESS_STP_FILTER, 847 DEVLINK_TRAP_GENERIC_ID_EMPTY_TX_LIST, 848 DEVLINK_TRAP_GENERIC_ID_PORT_LOOPBACK_FILTER, 849 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_ROUTE, 850 DEVLINK_TRAP_GENERIC_ID_TTL_ERROR, 851 DEVLINK_TRAP_GENERIC_ID_TAIL_DROP, 852 DEVLINK_TRAP_GENERIC_ID_NON_IP_PACKET, 853 DEVLINK_TRAP_GENERIC_ID_UC_DIP_MC_DMAC, 854 DEVLINK_TRAP_GENERIC_ID_DIP_LB, 855 DEVLINK_TRAP_GENERIC_ID_SIP_MC, 856 DEVLINK_TRAP_GENERIC_ID_SIP_LB, 857 DEVLINK_TRAP_GENERIC_ID_CORRUPTED_IP_HDR, 858 DEVLINK_TRAP_GENERIC_ID_IPV4_SIP_BC, 859 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_RESERVED_SCOPE, 860 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE, 861 DEVLINK_TRAP_GENERIC_ID_MTU_ERROR, 862 DEVLINK_TRAP_GENERIC_ID_UNRESOLVED_NEIGH, 863 DEVLINK_TRAP_GENERIC_ID_RPF, 864 DEVLINK_TRAP_GENERIC_ID_REJECT_ROUTE, 865 DEVLINK_TRAP_GENERIC_ID_IPV4_LPM_UNICAST_MISS, 866 DEVLINK_TRAP_GENERIC_ID_IPV6_LPM_UNICAST_MISS, 867 DEVLINK_TRAP_GENERIC_ID_NON_ROUTABLE, 868 DEVLINK_TRAP_GENERIC_ID_DECAP_ERROR, 869 DEVLINK_TRAP_GENERIC_ID_OVERLAY_SMAC_MC, 870 DEVLINK_TRAP_GENERIC_ID_INGRESS_FLOW_ACTION_DROP, 871 DEVLINK_TRAP_GENERIC_ID_EGRESS_FLOW_ACTION_DROP, 872 DEVLINK_TRAP_GENERIC_ID_STP, 873 DEVLINK_TRAP_GENERIC_ID_LACP, 874 DEVLINK_TRAP_GENERIC_ID_LLDP, 875 DEVLINK_TRAP_GENERIC_ID_IGMP_QUERY, 876 DEVLINK_TRAP_GENERIC_ID_IGMP_V1_REPORT, 877 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_REPORT, 878 DEVLINK_TRAP_GENERIC_ID_IGMP_V3_REPORT, 879 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_LEAVE, 880 DEVLINK_TRAP_GENERIC_ID_MLD_QUERY, 881 DEVLINK_TRAP_GENERIC_ID_MLD_V1_REPORT, 882 DEVLINK_TRAP_GENERIC_ID_MLD_V2_REPORT, 883 DEVLINK_TRAP_GENERIC_ID_MLD_V1_DONE, 884 DEVLINK_TRAP_GENERIC_ID_IPV4_DHCP, 885 DEVLINK_TRAP_GENERIC_ID_IPV6_DHCP, 886 DEVLINK_TRAP_GENERIC_ID_ARP_REQUEST, 887 DEVLINK_TRAP_GENERIC_ID_ARP_RESPONSE, 888 DEVLINK_TRAP_GENERIC_ID_ARP_OVERLAY, 889 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_SOLICIT, 890 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_ADVERT, 891 DEVLINK_TRAP_GENERIC_ID_IPV4_BFD, 892 DEVLINK_TRAP_GENERIC_ID_IPV6_BFD, 893 DEVLINK_TRAP_GENERIC_ID_IPV4_OSPF, 894 DEVLINK_TRAP_GENERIC_ID_IPV6_OSPF, 895 DEVLINK_TRAP_GENERIC_ID_IPV4_BGP, 896 DEVLINK_TRAP_GENERIC_ID_IPV6_BGP, 897 DEVLINK_TRAP_GENERIC_ID_IPV4_VRRP, 898 DEVLINK_TRAP_GENERIC_ID_IPV6_VRRP, 899 DEVLINK_TRAP_GENERIC_ID_IPV4_PIM, 900 DEVLINK_TRAP_GENERIC_ID_IPV6_PIM, 901 DEVLINK_TRAP_GENERIC_ID_UC_LB, 902 DEVLINK_TRAP_GENERIC_ID_LOCAL_ROUTE, 903 DEVLINK_TRAP_GENERIC_ID_EXTERNAL_ROUTE, 904 DEVLINK_TRAP_GENERIC_ID_IPV6_UC_DIP_LINK_LOCAL_SCOPE, 905 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_NODES, 906 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_ROUTERS, 907 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_SOLICIT, 908 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ADVERT, 909 DEVLINK_TRAP_GENERIC_ID_IPV6_REDIRECT, 910 DEVLINK_TRAP_GENERIC_ID_IPV4_ROUTER_ALERT, 911 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ALERT, 912 DEVLINK_TRAP_GENERIC_ID_PTP_EVENT, 913 DEVLINK_TRAP_GENERIC_ID_PTP_GENERAL, 914 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_SAMPLE, 915 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_TRAP, 916 DEVLINK_TRAP_GENERIC_ID_EARLY_DROP, 917 DEVLINK_TRAP_GENERIC_ID_VXLAN_PARSING, 918 DEVLINK_TRAP_GENERIC_ID_LLC_SNAP_PARSING, 919 DEVLINK_TRAP_GENERIC_ID_VLAN_PARSING, 920 DEVLINK_TRAP_GENERIC_ID_PPPOE_PPP_PARSING, 921 DEVLINK_TRAP_GENERIC_ID_MPLS_PARSING, 922 DEVLINK_TRAP_GENERIC_ID_ARP_PARSING, 923 DEVLINK_TRAP_GENERIC_ID_IP_1_PARSING, 924 DEVLINK_TRAP_GENERIC_ID_IP_N_PARSING, 925 DEVLINK_TRAP_GENERIC_ID_GRE_PARSING, 926 DEVLINK_TRAP_GENERIC_ID_UDP_PARSING, 927 DEVLINK_TRAP_GENERIC_ID_TCP_PARSING, 928 DEVLINK_TRAP_GENERIC_ID_IPSEC_PARSING, 929 DEVLINK_TRAP_GENERIC_ID_SCTP_PARSING, 930 DEVLINK_TRAP_GENERIC_ID_DCCP_PARSING, 931 DEVLINK_TRAP_GENERIC_ID_GTP_PARSING, 932 DEVLINK_TRAP_GENERIC_ID_ESP_PARSING, 933 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_NEXTHOP, 934 DEVLINK_TRAP_GENERIC_ID_DMAC_FILTER, 935 DEVLINK_TRAP_GENERIC_ID_EAPOL, 936 DEVLINK_TRAP_GENERIC_ID_LOCKED_PORT, 937 938 /* Add new generic trap IDs above */ 939 __DEVLINK_TRAP_GENERIC_ID_MAX, 940 DEVLINK_TRAP_GENERIC_ID_MAX = __DEVLINK_TRAP_GENERIC_ID_MAX - 1, 941 }; 942 943 /* All trap groups must be documented in 944 * Documentation/networking/devlink/devlink-trap.rst 945 */ 946 enum devlink_trap_group_generic_id { 947 DEVLINK_TRAP_GROUP_GENERIC_ID_L2_DROPS, 948 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_DROPS, 949 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_EXCEPTIONS, 950 DEVLINK_TRAP_GROUP_GENERIC_ID_BUFFER_DROPS, 951 DEVLINK_TRAP_GROUP_GENERIC_ID_TUNNEL_DROPS, 952 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_DROPS, 953 DEVLINK_TRAP_GROUP_GENERIC_ID_STP, 954 DEVLINK_TRAP_GROUP_GENERIC_ID_LACP, 955 DEVLINK_TRAP_GROUP_GENERIC_ID_LLDP, 956 DEVLINK_TRAP_GROUP_GENERIC_ID_MC_SNOOPING, 957 DEVLINK_TRAP_GROUP_GENERIC_ID_DHCP, 958 DEVLINK_TRAP_GROUP_GENERIC_ID_NEIGH_DISCOVERY, 959 DEVLINK_TRAP_GROUP_GENERIC_ID_BFD, 960 DEVLINK_TRAP_GROUP_GENERIC_ID_OSPF, 961 DEVLINK_TRAP_GROUP_GENERIC_ID_BGP, 962 DEVLINK_TRAP_GROUP_GENERIC_ID_VRRP, 963 DEVLINK_TRAP_GROUP_GENERIC_ID_PIM, 964 DEVLINK_TRAP_GROUP_GENERIC_ID_UC_LB, 965 DEVLINK_TRAP_GROUP_GENERIC_ID_LOCAL_DELIVERY, 966 DEVLINK_TRAP_GROUP_GENERIC_ID_EXTERNAL_DELIVERY, 967 DEVLINK_TRAP_GROUP_GENERIC_ID_IPV6, 968 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_EVENT, 969 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_GENERAL, 970 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_SAMPLE, 971 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_TRAP, 972 DEVLINK_TRAP_GROUP_GENERIC_ID_PARSER_ERROR_DROPS, 973 DEVLINK_TRAP_GROUP_GENERIC_ID_EAPOL, 974 975 /* Add new generic trap group IDs above */ 976 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX, 977 DEVLINK_TRAP_GROUP_GENERIC_ID_MAX = 978 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX - 1, 979 }; 980 981 #define DEVLINK_TRAP_GENERIC_NAME_SMAC_MC \ 982 "source_mac_is_multicast" 983 #define DEVLINK_TRAP_GENERIC_NAME_VLAN_TAG_MISMATCH \ 984 "vlan_tag_mismatch" 985 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_VLAN_FILTER \ 986 "ingress_vlan_filter" 987 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_STP_FILTER \ 988 "ingress_spanning_tree_filter" 989 #define DEVLINK_TRAP_GENERIC_NAME_EMPTY_TX_LIST \ 990 "port_list_is_empty" 991 #define DEVLINK_TRAP_GENERIC_NAME_PORT_LOOPBACK_FILTER \ 992 "port_loopback_filter" 993 #define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_ROUTE \ 994 "blackhole_route" 995 #define DEVLINK_TRAP_GENERIC_NAME_TTL_ERROR \ 996 "ttl_value_is_too_small" 997 #define DEVLINK_TRAP_GENERIC_NAME_TAIL_DROP \ 998 "tail_drop" 999 #define DEVLINK_TRAP_GENERIC_NAME_NON_IP_PACKET \ 1000 "non_ip" 1001 #define DEVLINK_TRAP_GENERIC_NAME_UC_DIP_MC_DMAC \ 1002 "uc_dip_over_mc_dmac" 1003 #define DEVLINK_TRAP_GENERIC_NAME_DIP_LB \ 1004 "dip_is_loopback_address" 1005 #define DEVLINK_TRAP_GENERIC_NAME_SIP_MC \ 1006 "sip_is_mc" 1007 #define DEVLINK_TRAP_GENERIC_NAME_SIP_LB \ 1008 "sip_is_loopback_address" 1009 #define DEVLINK_TRAP_GENERIC_NAME_CORRUPTED_IP_HDR \ 1010 "ip_header_corrupted" 1011 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_SIP_BC \ 1012 "ipv4_sip_is_limited_bc" 1013 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_RESERVED_SCOPE \ 1014 "ipv6_mc_dip_reserved_scope" 1015 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE \ 1016 "ipv6_mc_dip_interface_local_scope" 1017 #define DEVLINK_TRAP_GENERIC_NAME_MTU_ERROR \ 1018 "mtu_value_is_too_small" 1019 #define DEVLINK_TRAP_GENERIC_NAME_UNRESOLVED_NEIGH \ 1020 "unresolved_neigh" 1021 #define DEVLINK_TRAP_GENERIC_NAME_RPF \ 1022 "mc_reverse_path_forwarding" 1023 #define DEVLINK_TRAP_GENERIC_NAME_REJECT_ROUTE \ 1024 "reject_route" 1025 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_LPM_UNICAST_MISS \ 1026 "ipv4_lpm_miss" 1027 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_LPM_UNICAST_MISS \ 1028 "ipv6_lpm_miss" 1029 #define DEVLINK_TRAP_GENERIC_NAME_NON_ROUTABLE \ 1030 "non_routable_packet" 1031 #define DEVLINK_TRAP_GENERIC_NAME_DECAP_ERROR \ 1032 "decap_error" 1033 #define DEVLINK_TRAP_GENERIC_NAME_OVERLAY_SMAC_MC \ 1034 "overlay_smac_is_mc" 1035 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_FLOW_ACTION_DROP \ 1036 "ingress_flow_action_drop" 1037 #define DEVLINK_TRAP_GENERIC_NAME_EGRESS_FLOW_ACTION_DROP \ 1038 "egress_flow_action_drop" 1039 #define DEVLINK_TRAP_GENERIC_NAME_STP \ 1040 "stp" 1041 #define DEVLINK_TRAP_GENERIC_NAME_LACP \ 1042 "lacp" 1043 #define DEVLINK_TRAP_GENERIC_NAME_LLDP \ 1044 "lldp" 1045 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_QUERY \ 1046 "igmp_query" 1047 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V1_REPORT \ 1048 "igmp_v1_report" 1049 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_REPORT \ 1050 "igmp_v2_report" 1051 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V3_REPORT \ 1052 "igmp_v3_report" 1053 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_LEAVE \ 1054 "igmp_v2_leave" 1055 #define DEVLINK_TRAP_GENERIC_NAME_MLD_QUERY \ 1056 "mld_query" 1057 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_REPORT \ 1058 "mld_v1_report" 1059 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V2_REPORT \ 1060 "mld_v2_report" 1061 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_DONE \ 1062 "mld_v1_done" 1063 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_DHCP \ 1064 "ipv4_dhcp" 1065 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DHCP \ 1066 "ipv6_dhcp" 1067 #define DEVLINK_TRAP_GENERIC_NAME_ARP_REQUEST \ 1068 "arp_request" 1069 #define DEVLINK_TRAP_GENERIC_NAME_ARP_RESPONSE \ 1070 "arp_response" 1071 #define DEVLINK_TRAP_GENERIC_NAME_ARP_OVERLAY \ 1072 "arp_overlay" 1073 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_SOLICIT \ 1074 "ipv6_neigh_solicit" 1075 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_ADVERT \ 1076 "ipv6_neigh_advert" 1077 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_BFD \ 1078 "ipv4_bfd" 1079 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_BFD \ 1080 "ipv6_bfd" 1081 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_OSPF \ 1082 "ipv4_ospf" 1083 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_OSPF \ 1084 "ipv6_ospf" 1085 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_BGP \ 1086 "ipv4_bgp" 1087 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_BGP \ 1088 "ipv6_bgp" 1089 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_VRRP \ 1090 "ipv4_vrrp" 1091 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_VRRP \ 1092 "ipv6_vrrp" 1093 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_PIM \ 1094 "ipv4_pim" 1095 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_PIM \ 1096 "ipv6_pim" 1097 #define DEVLINK_TRAP_GENERIC_NAME_UC_LB \ 1098 "uc_loopback" 1099 #define DEVLINK_TRAP_GENERIC_NAME_LOCAL_ROUTE \ 1100 "local_route" 1101 #define DEVLINK_TRAP_GENERIC_NAME_EXTERNAL_ROUTE \ 1102 "external_route" 1103 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_UC_DIP_LINK_LOCAL_SCOPE \ 1104 "ipv6_uc_dip_link_local_scope" 1105 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_NODES \ 1106 "ipv6_dip_all_nodes" 1107 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_ROUTERS \ 1108 "ipv6_dip_all_routers" 1109 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_SOLICIT \ 1110 "ipv6_router_solicit" 1111 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ADVERT \ 1112 "ipv6_router_advert" 1113 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_REDIRECT \ 1114 "ipv6_redirect" 1115 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_ROUTER_ALERT \ 1116 "ipv4_router_alert" 1117 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ALERT \ 1118 "ipv6_router_alert" 1119 #define DEVLINK_TRAP_GENERIC_NAME_PTP_EVENT \ 1120 "ptp_event" 1121 #define DEVLINK_TRAP_GENERIC_NAME_PTP_GENERAL \ 1122 "ptp_general" 1123 #define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_SAMPLE \ 1124 "flow_action_sample" 1125 #define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_TRAP \ 1126 "flow_action_trap" 1127 #define DEVLINK_TRAP_GENERIC_NAME_EARLY_DROP \ 1128 "early_drop" 1129 #define DEVLINK_TRAP_GENERIC_NAME_VXLAN_PARSING \ 1130 "vxlan_parsing" 1131 #define DEVLINK_TRAP_GENERIC_NAME_LLC_SNAP_PARSING \ 1132 "llc_snap_parsing" 1133 #define DEVLINK_TRAP_GENERIC_NAME_VLAN_PARSING \ 1134 "vlan_parsing" 1135 #define DEVLINK_TRAP_GENERIC_NAME_PPPOE_PPP_PARSING \ 1136 "pppoe_ppp_parsing" 1137 #define DEVLINK_TRAP_GENERIC_NAME_MPLS_PARSING \ 1138 "mpls_parsing" 1139 #define DEVLINK_TRAP_GENERIC_NAME_ARP_PARSING \ 1140 "arp_parsing" 1141 #define DEVLINK_TRAP_GENERIC_NAME_IP_1_PARSING \ 1142 "ip_1_parsing" 1143 #define DEVLINK_TRAP_GENERIC_NAME_IP_N_PARSING \ 1144 "ip_n_parsing" 1145 #define DEVLINK_TRAP_GENERIC_NAME_GRE_PARSING \ 1146 "gre_parsing" 1147 #define DEVLINK_TRAP_GENERIC_NAME_UDP_PARSING \ 1148 "udp_parsing" 1149 #define DEVLINK_TRAP_GENERIC_NAME_TCP_PARSING \ 1150 "tcp_parsing" 1151 #define DEVLINK_TRAP_GENERIC_NAME_IPSEC_PARSING \ 1152 "ipsec_parsing" 1153 #define DEVLINK_TRAP_GENERIC_NAME_SCTP_PARSING \ 1154 "sctp_parsing" 1155 #define DEVLINK_TRAP_GENERIC_NAME_DCCP_PARSING \ 1156 "dccp_parsing" 1157 #define DEVLINK_TRAP_GENERIC_NAME_GTP_PARSING \ 1158 "gtp_parsing" 1159 #define DEVLINK_TRAP_GENERIC_NAME_ESP_PARSING \ 1160 "esp_parsing" 1161 #define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_NEXTHOP \ 1162 "blackhole_nexthop" 1163 #define DEVLINK_TRAP_GENERIC_NAME_DMAC_FILTER \ 1164 "dmac_filter" 1165 #define DEVLINK_TRAP_GENERIC_NAME_EAPOL \ 1166 "eapol" 1167 #define DEVLINK_TRAP_GENERIC_NAME_LOCKED_PORT \ 1168 "locked_port" 1169 1170 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L2_DROPS \ 1171 "l2_drops" 1172 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_DROPS \ 1173 "l3_drops" 1174 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_EXCEPTIONS \ 1175 "l3_exceptions" 1176 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BUFFER_DROPS \ 1177 "buffer_drops" 1178 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_TUNNEL_DROPS \ 1179 "tunnel_drops" 1180 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_DROPS \ 1181 "acl_drops" 1182 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_STP \ 1183 "stp" 1184 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LACP \ 1185 "lacp" 1186 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LLDP \ 1187 "lldp" 1188 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_MC_SNOOPING \ 1189 "mc_snooping" 1190 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_DHCP \ 1191 "dhcp" 1192 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_NEIGH_DISCOVERY \ 1193 "neigh_discovery" 1194 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BFD \ 1195 "bfd" 1196 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_OSPF \ 1197 "ospf" 1198 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BGP \ 1199 "bgp" 1200 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_VRRP \ 1201 "vrrp" 1202 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PIM \ 1203 "pim" 1204 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_UC_LB \ 1205 "uc_loopback" 1206 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LOCAL_DELIVERY \ 1207 "local_delivery" 1208 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_EXTERNAL_DELIVERY \ 1209 "external_delivery" 1210 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_IPV6 \ 1211 "ipv6" 1212 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_EVENT \ 1213 "ptp_event" 1214 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_GENERAL \ 1215 "ptp_general" 1216 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_SAMPLE \ 1217 "acl_sample" 1218 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_TRAP \ 1219 "acl_trap" 1220 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PARSER_ERROR_DROPS \ 1221 "parser_error_drops" 1222 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_EAPOL \ 1223 "eapol" 1224 1225 #define DEVLINK_TRAP_GENERIC(_type, _init_action, _id, _group_id, \ 1226 _metadata_cap) \ 1227 { \ 1228 .type = DEVLINK_TRAP_TYPE_##_type, \ 1229 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \ 1230 .generic = true, \ 1231 .id = DEVLINK_TRAP_GENERIC_ID_##_id, \ 1232 .name = DEVLINK_TRAP_GENERIC_NAME_##_id, \ 1233 .init_group_id = _group_id, \ 1234 .metadata_cap = _metadata_cap, \ 1235 } 1236 1237 #define DEVLINK_TRAP_DRIVER(_type, _init_action, _id, _name, _group_id, \ 1238 _metadata_cap) \ 1239 { \ 1240 .type = DEVLINK_TRAP_TYPE_##_type, \ 1241 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \ 1242 .generic = false, \ 1243 .id = _id, \ 1244 .name = _name, \ 1245 .init_group_id = _group_id, \ 1246 .metadata_cap = _metadata_cap, \ 1247 } 1248 1249 #define DEVLINK_TRAP_GROUP_GENERIC(_id, _policer_id) \ 1250 { \ 1251 .name = DEVLINK_TRAP_GROUP_GENERIC_NAME_##_id, \ 1252 .id = DEVLINK_TRAP_GROUP_GENERIC_ID_##_id, \ 1253 .generic = true, \ 1254 .init_policer_id = _policer_id, \ 1255 } 1256 1257 #define DEVLINK_TRAP_POLICER(_id, _rate, _burst, _max_rate, _min_rate, \ 1258 _max_burst, _min_burst) \ 1259 { \ 1260 .id = _id, \ 1261 .init_rate = _rate, \ 1262 .init_burst = _burst, \ 1263 .max_rate = _max_rate, \ 1264 .min_rate = _min_rate, \ 1265 .max_burst = _max_burst, \ 1266 .min_burst = _min_burst, \ 1267 } 1268 1269 #define devlink_fmsg_put(fmsg, name, value) ( \ 1270 _Generic((value), \ 1271 bool : devlink_fmsg_bool_pair_put, \ 1272 u8 : devlink_fmsg_u8_pair_put, \ 1273 u16 : devlink_fmsg_u32_pair_put, \ 1274 u32 : devlink_fmsg_u32_pair_put, \ 1275 u64 : devlink_fmsg_u64_pair_put, \ 1276 int : devlink_fmsg_u32_pair_put, \ 1277 char * : devlink_fmsg_string_pair_put, \ 1278 const char * : devlink_fmsg_string_pair_put) \ 1279 (fmsg, name, (value))) 1280 1281 enum { 1282 /* device supports reload operations */ 1283 DEVLINK_F_RELOAD = 1UL << 0, 1284 }; 1285 1286 struct devlink_ops { 1287 /** 1288 * @supported_flash_update_params: 1289 * mask of parameters supported by the driver's .flash_update 1290 * implementation. 1291 */ 1292 u32 supported_flash_update_params; 1293 unsigned long reload_actions; 1294 unsigned long reload_limits; 1295 int (*reload_down)(struct devlink *devlink, bool netns_change, 1296 enum devlink_reload_action action, 1297 enum devlink_reload_limit limit, 1298 struct netlink_ext_ack *extack); 1299 int (*reload_up)(struct devlink *devlink, enum devlink_reload_action action, 1300 enum devlink_reload_limit limit, u32 *actions_performed, 1301 struct netlink_ext_ack *extack); 1302 int (*sb_pool_get)(struct devlink *devlink, unsigned int sb_index, 1303 u16 pool_index, 1304 struct devlink_sb_pool_info *pool_info); 1305 int (*sb_pool_set)(struct devlink *devlink, unsigned int sb_index, 1306 u16 pool_index, u32 size, 1307 enum devlink_sb_threshold_type threshold_type, 1308 struct netlink_ext_ack *extack); 1309 int (*sb_port_pool_get)(struct devlink_port *devlink_port, 1310 unsigned int sb_index, u16 pool_index, 1311 u32 *p_threshold); 1312 int (*sb_port_pool_set)(struct devlink_port *devlink_port, 1313 unsigned int sb_index, u16 pool_index, 1314 u32 threshold, struct netlink_ext_ack *extack); 1315 int (*sb_tc_pool_bind_get)(struct devlink_port *devlink_port, 1316 unsigned int sb_index, 1317 u16 tc_index, 1318 enum devlink_sb_pool_type pool_type, 1319 u16 *p_pool_index, u32 *p_threshold); 1320 int (*sb_tc_pool_bind_set)(struct devlink_port *devlink_port, 1321 unsigned int sb_index, 1322 u16 tc_index, 1323 enum devlink_sb_pool_type pool_type, 1324 u16 pool_index, u32 threshold, 1325 struct netlink_ext_ack *extack); 1326 int (*sb_occ_snapshot)(struct devlink *devlink, 1327 unsigned int sb_index); 1328 int (*sb_occ_max_clear)(struct devlink *devlink, 1329 unsigned int sb_index); 1330 int (*sb_occ_port_pool_get)(struct devlink_port *devlink_port, 1331 unsigned int sb_index, u16 pool_index, 1332 u32 *p_cur, u32 *p_max); 1333 int (*sb_occ_tc_port_bind_get)(struct devlink_port *devlink_port, 1334 unsigned int sb_index, 1335 u16 tc_index, 1336 enum devlink_sb_pool_type pool_type, 1337 u32 *p_cur, u32 *p_max); 1338 1339 int (*eswitch_mode_get)(struct devlink *devlink, u16 *p_mode); 1340 int (*eswitch_mode_set)(struct devlink *devlink, u16 mode, 1341 struct netlink_ext_ack *extack); 1342 int (*eswitch_inline_mode_get)(struct devlink *devlink, u8 *p_inline_mode); 1343 int (*eswitch_inline_mode_set)(struct devlink *devlink, u8 inline_mode, 1344 struct netlink_ext_ack *extack); 1345 int (*eswitch_encap_mode_get)(struct devlink *devlink, 1346 enum devlink_eswitch_encap_mode *p_encap_mode); 1347 int (*eswitch_encap_mode_set)(struct devlink *devlink, 1348 enum devlink_eswitch_encap_mode encap_mode, 1349 struct netlink_ext_ack *extack); 1350 int (*info_get)(struct devlink *devlink, struct devlink_info_req *req, 1351 struct netlink_ext_ack *extack); 1352 /** 1353 * @flash_update: Device flash update function 1354 * 1355 * Used to perform a flash update for the device. The set of 1356 * parameters supported by the driver should be set in 1357 * supported_flash_update_params. 1358 */ 1359 int (*flash_update)(struct devlink *devlink, 1360 struct devlink_flash_update_params *params, 1361 struct netlink_ext_ack *extack); 1362 /** 1363 * @trap_init: Trap initialization function. 1364 * 1365 * Should be used by device drivers to initialize the trap in the 1366 * underlying device. Drivers should also store the provided trap 1367 * context, so that they could efficiently pass it to 1368 * devlink_trap_report() when the trap is triggered. 1369 */ 1370 int (*trap_init)(struct devlink *devlink, 1371 const struct devlink_trap *trap, void *trap_ctx); 1372 /** 1373 * @trap_fini: Trap de-initialization function. 1374 * 1375 * Should be used by device drivers to de-initialize the trap in the 1376 * underlying device. 1377 */ 1378 void (*trap_fini)(struct devlink *devlink, 1379 const struct devlink_trap *trap, void *trap_ctx); 1380 /** 1381 * @trap_action_set: Trap action set function. 1382 */ 1383 int (*trap_action_set)(struct devlink *devlink, 1384 const struct devlink_trap *trap, 1385 enum devlink_trap_action action, 1386 struct netlink_ext_ack *extack); 1387 /** 1388 * @trap_group_init: Trap group initialization function. 1389 * 1390 * Should be used by device drivers to initialize the trap group in the 1391 * underlying device. 1392 */ 1393 int (*trap_group_init)(struct devlink *devlink, 1394 const struct devlink_trap_group *group); 1395 /** 1396 * @trap_group_set: Trap group parameters set function. 1397 * 1398 * Note: @policer can be NULL when a policer is being unbound from 1399 * @group. 1400 */ 1401 int (*trap_group_set)(struct devlink *devlink, 1402 const struct devlink_trap_group *group, 1403 const struct devlink_trap_policer *policer, 1404 struct netlink_ext_ack *extack); 1405 /** 1406 * @trap_group_action_set: Trap group action set function. 1407 * 1408 * If this callback is populated, it will take precedence over looping 1409 * over all traps in a group and calling .trap_action_set(). 1410 */ 1411 int (*trap_group_action_set)(struct devlink *devlink, 1412 const struct devlink_trap_group *group, 1413 enum devlink_trap_action action, 1414 struct netlink_ext_ack *extack); 1415 /** 1416 * @trap_drop_counter_get: Trap drop counter get function. 1417 * 1418 * Should be used by device drivers to report number of packets 1419 * that have been dropped, and cannot be passed to the devlink 1420 * subsystem by the underlying device. 1421 */ 1422 int (*trap_drop_counter_get)(struct devlink *devlink, 1423 const struct devlink_trap *trap, 1424 u64 *p_drops); 1425 /** 1426 * @trap_policer_init: Trap policer initialization function. 1427 * 1428 * Should be used by device drivers to initialize the trap policer in 1429 * the underlying device. 1430 */ 1431 int (*trap_policer_init)(struct devlink *devlink, 1432 const struct devlink_trap_policer *policer); 1433 /** 1434 * @trap_policer_fini: Trap policer de-initialization function. 1435 * 1436 * Should be used by device drivers to de-initialize the trap policer 1437 * in the underlying device. 1438 */ 1439 void (*trap_policer_fini)(struct devlink *devlink, 1440 const struct devlink_trap_policer *policer); 1441 /** 1442 * @trap_policer_set: Trap policer parameters set function. 1443 */ 1444 int (*trap_policer_set)(struct devlink *devlink, 1445 const struct devlink_trap_policer *policer, 1446 u64 rate, u64 burst, 1447 struct netlink_ext_ack *extack); 1448 /** 1449 * @trap_policer_counter_get: Trap policer counter get function. 1450 * 1451 * Should be used by device drivers to report number of packets dropped 1452 * by the policer. 1453 */ 1454 int (*trap_policer_counter_get)(struct devlink *devlink, 1455 const struct devlink_trap_policer *policer, 1456 u64 *p_drops); 1457 /** 1458 * port_new() - Add a new port function of a specified flavor 1459 * @devlink: Devlink instance 1460 * @attrs: attributes of the new port 1461 * @extack: extack for reporting error messages 1462 * @devlink_port: pointer to store new devlink port pointer 1463 * 1464 * Devlink core will call this device driver function upon user request 1465 * to create a new port function of a specified flavor and optional 1466 * attributes 1467 * 1468 * Notes: 1469 * - On success, drivers must register a port with devlink core 1470 * 1471 * Return: 0 on success, negative value otherwise. 1472 */ 1473 int (*port_new)(struct devlink *devlink, 1474 const struct devlink_port_new_attrs *attrs, 1475 struct netlink_ext_ack *extack, 1476 struct devlink_port **devlink_port); 1477 1478 /** 1479 * Rate control callbacks. 1480 */ 1481 int (*rate_leaf_tx_share_set)(struct devlink_rate *devlink_rate, void *priv, 1482 u64 tx_share, struct netlink_ext_ack *extack); 1483 int (*rate_leaf_tx_max_set)(struct devlink_rate *devlink_rate, void *priv, 1484 u64 tx_max, struct netlink_ext_ack *extack); 1485 int (*rate_leaf_tx_priority_set)(struct devlink_rate *devlink_rate, void *priv, 1486 u32 tx_priority, struct netlink_ext_ack *extack); 1487 int (*rate_leaf_tx_weight_set)(struct devlink_rate *devlink_rate, void *priv, 1488 u32 tx_weight, struct netlink_ext_ack *extack); 1489 int (*rate_node_tx_share_set)(struct devlink_rate *devlink_rate, void *priv, 1490 u64 tx_share, struct netlink_ext_ack *extack); 1491 int (*rate_node_tx_max_set)(struct devlink_rate *devlink_rate, void *priv, 1492 u64 tx_max, struct netlink_ext_ack *extack); 1493 int (*rate_node_tx_priority_set)(struct devlink_rate *devlink_rate, void *priv, 1494 u32 tx_priority, struct netlink_ext_ack *extack); 1495 int (*rate_node_tx_weight_set)(struct devlink_rate *devlink_rate, void *priv, 1496 u32 tx_weight, struct netlink_ext_ack *extack); 1497 int (*rate_node_new)(struct devlink_rate *rate_node, void **priv, 1498 struct netlink_ext_ack *extack); 1499 int (*rate_node_del)(struct devlink_rate *rate_node, void *priv, 1500 struct netlink_ext_ack *extack); 1501 int (*rate_leaf_parent_set)(struct devlink_rate *child, 1502 struct devlink_rate *parent, 1503 void *priv_child, void *priv_parent, 1504 struct netlink_ext_ack *extack); 1505 int (*rate_node_parent_set)(struct devlink_rate *child, 1506 struct devlink_rate *parent, 1507 void *priv_child, void *priv_parent, 1508 struct netlink_ext_ack *extack); 1509 /** 1510 * selftests_check() - queries if selftest is supported 1511 * @devlink: devlink instance 1512 * @id: test index 1513 * @extack: extack for reporting error messages 1514 * 1515 * Return: true if test is supported by the driver 1516 */ 1517 bool (*selftest_check)(struct devlink *devlink, unsigned int id, 1518 struct netlink_ext_ack *extack); 1519 /** 1520 * selftest_run() - Runs a selftest 1521 * @devlink: devlink instance 1522 * @id: test index 1523 * @extack: extack for reporting error messages 1524 * 1525 * Return: status of the test 1526 */ 1527 enum devlink_selftest_status 1528 (*selftest_run)(struct devlink *devlink, unsigned int id, 1529 struct netlink_ext_ack *extack); 1530 }; 1531 1532 void *devlink_priv(struct devlink *devlink); 1533 struct devlink *priv_to_devlink(void *priv); 1534 struct device *devlink_to_dev(const struct devlink *devlink); 1535 1536 /* Devlink instance explicit locking */ 1537 void devl_lock(struct devlink *devlink); 1538 int devl_trylock(struct devlink *devlink); 1539 void devl_unlock(struct devlink *devlink); 1540 void devl_assert_locked(struct devlink *devlink); 1541 bool devl_lock_is_held(struct devlink *devlink); 1542 DEFINE_GUARD(devl, struct devlink *, devl_lock(_T), devl_unlock(_T)); 1543 1544 struct ib_device; 1545 1546 struct net *devlink_net(const struct devlink *devlink); 1547 /* This call is intended for software devices that can create 1548 * devlink instances in other namespaces than init_net. 1549 * 1550 * Drivers that operate on real HW must use devlink_alloc() instead. 1551 */ 1552 struct devlink *devlink_alloc_ns(const struct devlink_ops *ops, 1553 size_t priv_size, struct net *net, 1554 struct device *dev); 1555 static inline struct devlink *devlink_alloc(const struct devlink_ops *ops, 1556 size_t priv_size, 1557 struct device *dev) 1558 { 1559 return devlink_alloc_ns(ops, priv_size, &init_net, dev); 1560 } 1561 1562 int devl_register(struct devlink *devlink); 1563 void devl_unregister(struct devlink *devlink); 1564 void devlink_register(struct devlink *devlink); 1565 void devlink_unregister(struct devlink *devlink); 1566 void devlink_free(struct devlink *devlink); 1567 1568 /** 1569 * struct devlink_port_ops - Port operations 1570 * @port_split: Callback used to split the port into multiple ones. 1571 * @port_unsplit: Callback used to unsplit the port group back into 1572 * a single port. 1573 * @port_type_set: Callback used to set a type of a port. 1574 * @port_del: Callback used to delete selected port along with related function. 1575 * Devlink core calls this upon user request to delete 1576 * a port previously created by devlink_ops->port_new(). 1577 * @port_fn_hw_addr_get: Callback used to set port function's hardware address. 1578 * Should be used by device drivers to report 1579 * the hardware address of a function managed 1580 * by the devlink port. 1581 * @port_fn_hw_addr_set: Callback used to set port function's hardware address. 1582 * Should be used by device drivers to set the hardware 1583 * address of a function managed by the devlink port. 1584 * @port_fn_roce_get: Callback used to get port function's RoCE capability. 1585 * Should be used by device drivers to report 1586 * the current state of RoCE capability of a function 1587 * managed by the devlink port. 1588 * @port_fn_roce_set: Callback used to set port function's RoCE capability. 1589 * Should be used by device drivers to enable/disable 1590 * RoCE capability of a function managed 1591 * by the devlink port. 1592 * @port_fn_migratable_get: Callback used to get port function's migratable 1593 * capability. Should be used by device drivers 1594 * to report the current state of migratable capability 1595 * of a function managed by the devlink port. 1596 * @port_fn_migratable_set: Callback used to set port function's migratable 1597 * capability. Should be used by device drivers 1598 * to enable/disable migratable capability of 1599 * a function managed by the devlink port. 1600 * @port_fn_state_get: Callback used to get port function's state. 1601 * Should be used by device drivers to report 1602 * the current admin and operational state of a 1603 * function managed by the devlink port. 1604 * @port_fn_state_set: Callback used to get port function's state. 1605 * Should be used by device drivers set 1606 * the admin state of a function managed 1607 * by the devlink port. 1608 * @port_fn_ipsec_crypto_get: Callback used to get port function's ipsec_crypto 1609 * capability. Should be used by device drivers 1610 * to report the current state of ipsec_crypto 1611 * capability of a function managed by the devlink 1612 * port. 1613 * @port_fn_ipsec_crypto_set: Callback used to set port function's ipsec_crypto 1614 * capability. Should be used by device drivers to 1615 * enable/disable ipsec_crypto capability of a 1616 * function managed by the devlink port. 1617 * @port_fn_ipsec_packet_get: Callback used to get port function's ipsec_packet 1618 * capability. Should be used by device drivers 1619 * to report the current state of ipsec_packet 1620 * capability of a function managed by the devlink 1621 * port. 1622 * @port_fn_ipsec_packet_set: Callback used to set port function's ipsec_packet 1623 * capability. Should be used by device drivers to 1624 * enable/disable ipsec_packet capability of a 1625 * function managed by the devlink port. 1626 * @port_fn_max_io_eqs_get: Callback used to get port function's maximum number 1627 * of event queues. Should be used by device drivers to 1628 * report the maximum event queues of a function 1629 * managed by the devlink port. 1630 * @port_fn_max_io_eqs_set: Callback used to set port function's maximum number 1631 * of event queues. Should be used by device drivers to 1632 * configure maximum number of event queues 1633 * of a function managed by the devlink port. 1634 * 1635 * Note: Driver should return -EOPNOTSUPP if it doesn't support 1636 * port function (@port_fn_*) handling for a particular port. 1637 */ 1638 struct devlink_port_ops { 1639 int (*port_split)(struct devlink *devlink, struct devlink_port *port, 1640 unsigned int count, struct netlink_ext_ack *extack); 1641 int (*port_unsplit)(struct devlink *devlink, struct devlink_port *port, 1642 struct netlink_ext_ack *extack); 1643 int (*port_type_set)(struct devlink_port *devlink_port, 1644 enum devlink_port_type port_type); 1645 int (*port_del)(struct devlink *devlink, struct devlink_port *port, 1646 struct netlink_ext_ack *extack); 1647 int (*port_fn_hw_addr_get)(struct devlink_port *port, u8 *hw_addr, 1648 int *hw_addr_len, 1649 struct netlink_ext_ack *extack); 1650 int (*port_fn_hw_addr_set)(struct devlink_port *port, 1651 const u8 *hw_addr, int hw_addr_len, 1652 struct netlink_ext_ack *extack); 1653 int (*port_fn_roce_get)(struct devlink_port *devlink_port, 1654 bool *is_enable, 1655 struct netlink_ext_ack *extack); 1656 int (*port_fn_roce_set)(struct devlink_port *devlink_port, 1657 bool enable, struct netlink_ext_ack *extack); 1658 int (*port_fn_migratable_get)(struct devlink_port *devlink_port, 1659 bool *is_enable, 1660 struct netlink_ext_ack *extack); 1661 int (*port_fn_migratable_set)(struct devlink_port *devlink_port, 1662 bool enable, 1663 struct netlink_ext_ack *extack); 1664 int (*port_fn_state_get)(struct devlink_port *port, 1665 enum devlink_port_fn_state *state, 1666 enum devlink_port_fn_opstate *opstate, 1667 struct netlink_ext_ack *extack); 1668 int (*port_fn_state_set)(struct devlink_port *port, 1669 enum devlink_port_fn_state state, 1670 struct netlink_ext_ack *extack); 1671 int (*port_fn_ipsec_crypto_get)(struct devlink_port *devlink_port, 1672 bool *is_enable, 1673 struct netlink_ext_ack *extack); 1674 int (*port_fn_ipsec_crypto_set)(struct devlink_port *devlink_port, 1675 bool enable, 1676 struct netlink_ext_ack *extack); 1677 int (*port_fn_ipsec_packet_get)(struct devlink_port *devlink_port, 1678 bool *is_enable, 1679 struct netlink_ext_ack *extack); 1680 int (*port_fn_ipsec_packet_set)(struct devlink_port *devlink_port, 1681 bool enable, 1682 struct netlink_ext_ack *extack); 1683 int (*port_fn_max_io_eqs_get)(struct devlink_port *devlink_port, 1684 u32 *max_eqs, 1685 struct netlink_ext_ack *extack); 1686 int (*port_fn_max_io_eqs_set)(struct devlink_port *devlink_port, 1687 u32 max_eqs, 1688 struct netlink_ext_ack *extack); 1689 }; 1690 1691 void devlink_port_init(struct devlink *devlink, 1692 struct devlink_port *devlink_port); 1693 void devlink_port_fini(struct devlink_port *devlink_port); 1694 1695 int devl_port_register_with_ops(struct devlink *devlink, 1696 struct devlink_port *devlink_port, 1697 unsigned int port_index, 1698 const struct devlink_port_ops *ops); 1699 1700 static inline int devl_port_register(struct devlink *devlink, 1701 struct devlink_port *devlink_port, 1702 unsigned int port_index) 1703 { 1704 return devl_port_register_with_ops(devlink, devlink_port, 1705 port_index, NULL); 1706 } 1707 1708 int devlink_port_register_with_ops(struct devlink *devlink, 1709 struct devlink_port *devlink_port, 1710 unsigned int port_index, 1711 const struct devlink_port_ops *ops); 1712 1713 static inline int devlink_port_register(struct devlink *devlink, 1714 struct devlink_port *devlink_port, 1715 unsigned int port_index) 1716 { 1717 return devlink_port_register_with_ops(devlink, devlink_port, 1718 port_index, NULL); 1719 } 1720 1721 void devl_port_unregister(struct devlink_port *devlink_port); 1722 void devlink_port_unregister(struct devlink_port *devlink_port); 1723 void devlink_port_type_eth_set(struct devlink_port *devlink_port); 1724 void devlink_port_type_ib_set(struct devlink_port *devlink_port, 1725 struct ib_device *ibdev); 1726 void devlink_port_type_clear(struct devlink_port *devlink_port); 1727 void devlink_port_attrs_set(struct devlink_port *devlink_port, 1728 struct devlink_port_attrs *devlink_port_attrs); 1729 void devlink_port_attrs_pci_pf_set(struct devlink_port *devlink_port, u32 controller, 1730 u16 pf, bool external); 1731 void devlink_port_attrs_pci_vf_set(struct devlink_port *devlink_port, u32 controller, 1732 u16 pf, u16 vf, bool external); 1733 void devlink_port_attrs_pci_sf_set(struct devlink_port *devlink_port, 1734 u32 controller, u16 pf, u32 sf, 1735 bool external); 1736 int devl_port_fn_devlink_set(struct devlink_port *devlink_port, 1737 struct devlink *fn_devlink); 1738 struct devlink_rate * 1739 devl_rate_node_create(struct devlink *devlink, void *priv, char *node_name, 1740 struct devlink_rate *parent); 1741 int 1742 devl_rate_leaf_create(struct devlink_port *devlink_port, void *priv, 1743 struct devlink_rate *parent); 1744 void devl_rate_leaf_destroy(struct devlink_port *devlink_port); 1745 void devl_rate_nodes_destroy(struct devlink *devlink); 1746 void devlink_port_linecard_set(struct devlink_port *devlink_port, 1747 struct devlink_linecard *linecard); 1748 struct devlink_linecard * 1749 devl_linecard_create(struct devlink *devlink, unsigned int linecard_index, 1750 const struct devlink_linecard_ops *ops, void *priv); 1751 void devl_linecard_destroy(struct devlink_linecard *linecard); 1752 void devlink_linecard_provision_set(struct devlink_linecard *linecard, 1753 const char *type); 1754 void devlink_linecard_provision_clear(struct devlink_linecard *linecard); 1755 void devlink_linecard_provision_fail(struct devlink_linecard *linecard); 1756 void devlink_linecard_activate(struct devlink_linecard *linecard); 1757 void devlink_linecard_deactivate(struct devlink_linecard *linecard); 1758 int devlink_linecard_nested_dl_set(struct devlink_linecard *linecard, 1759 struct devlink *nested_devlink); 1760 int devl_sb_register(struct devlink *devlink, unsigned int sb_index, 1761 u32 size, u16 ingress_pools_count, 1762 u16 egress_pools_count, u16 ingress_tc_count, 1763 u16 egress_tc_count); 1764 int devlink_sb_register(struct devlink *devlink, unsigned int sb_index, 1765 u32 size, u16 ingress_pools_count, 1766 u16 egress_pools_count, u16 ingress_tc_count, 1767 u16 egress_tc_count); 1768 void devl_sb_unregister(struct devlink *devlink, unsigned int sb_index); 1769 void devlink_sb_unregister(struct devlink *devlink, unsigned int sb_index); 1770 int devl_dpipe_table_register(struct devlink *devlink, 1771 const char *table_name, 1772 const struct devlink_dpipe_table_ops *table_ops, 1773 void *priv, bool counter_control_extern); 1774 void devl_dpipe_table_unregister(struct devlink *devlink, 1775 const char *table_name); 1776 void devl_dpipe_headers_register(struct devlink *devlink, 1777 struct devlink_dpipe_headers *dpipe_headers); 1778 void devl_dpipe_headers_unregister(struct devlink *devlink); 1779 bool devlink_dpipe_table_counter_enabled(struct devlink *devlink, 1780 const char *table_name); 1781 int devlink_dpipe_entry_ctx_prepare(struct devlink_dpipe_dump_ctx *dump_ctx); 1782 int devlink_dpipe_entry_ctx_append(struct devlink_dpipe_dump_ctx *dump_ctx, 1783 struct devlink_dpipe_entry *entry); 1784 int devlink_dpipe_entry_ctx_close(struct devlink_dpipe_dump_ctx *dump_ctx); 1785 void devlink_dpipe_entry_clear(struct devlink_dpipe_entry *entry); 1786 int devlink_dpipe_action_put(struct sk_buff *skb, 1787 struct devlink_dpipe_action *action); 1788 int devlink_dpipe_match_put(struct sk_buff *skb, 1789 struct devlink_dpipe_match *match); 1790 extern struct devlink_dpipe_header devlink_dpipe_header_ethernet; 1791 extern struct devlink_dpipe_header devlink_dpipe_header_ipv4; 1792 extern struct devlink_dpipe_header devlink_dpipe_header_ipv6; 1793 1794 int devl_resource_register(struct devlink *devlink, 1795 const char *resource_name, 1796 u64 resource_size, 1797 u64 resource_id, 1798 u64 parent_resource_id, 1799 const struct devlink_resource_size_params *size_params); 1800 void devl_resources_unregister(struct devlink *devlink); 1801 void devlink_resources_unregister(struct devlink *devlink); 1802 int devl_resource_size_get(struct devlink *devlink, 1803 u64 resource_id, 1804 u64 *p_resource_size); 1805 int devl_dpipe_table_resource_set(struct devlink *devlink, 1806 const char *table_name, u64 resource_id, 1807 u64 resource_units); 1808 void devl_resource_occ_get_register(struct devlink *devlink, 1809 u64 resource_id, 1810 devlink_resource_occ_get_t *occ_get, 1811 void *occ_get_priv); 1812 void devl_resource_occ_get_unregister(struct devlink *devlink, 1813 u64 resource_id); 1814 int devl_params_register(struct devlink *devlink, 1815 const struct devlink_param *params, 1816 size_t params_count); 1817 int devlink_params_register(struct devlink *devlink, 1818 const struct devlink_param *params, 1819 size_t params_count); 1820 void devl_params_unregister(struct devlink *devlink, 1821 const struct devlink_param *params, 1822 size_t params_count); 1823 void devlink_params_unregister(struct devlink *devlink, 1824 const struct devlink_param *params, 1825 size_t params_count); 1826 int devl_param_driverinit_value_get(struct devlink *devlink, u32 param_id, 1827 union devlink_param_value *val); 1828 void devl_param_driverinit_value_set(struct devlink *devlink, u32 param_id, 1829 union devlink_param_value init_val); 1830 void devl_param_value_changed(struct devlink *devlink, u32 param_id); 1831 struct devlink_region *devl_region_create(struct devlink *devlink, 1832 const struct devlink_region_ops *ops, 1833 u32 region_max_snapshots, 1834 u64 region_size); 1835 struct devlink_region * 1836 devlink_region_create(struct devlink *devlink, 1837 const struct devlink_region_ops *ops, 1838 u32 region_max_snapshots, u64 region_size); 1839 struct devlink_region * 1840 devlink_port_region_create(struct devlink_port *port, 1841 const struct devlink_port_region_ops *ops, 1842 u32 region_max_snapshots, u64 region_size); 1843 void devl_region_destroy(struct devlink_region *region); 1844 void devlink_region_destroy(struct devlink_region *region); 1845 int devlink_region_snapshot_id_get(struct devlink *devlink, u32 *id); 1846 void devlink_region_snapshot_id_put(struct devlink *devlink, u32 id); 1847 int devlink_region_snapshot_create(struct devlink_region *region, 1848 u8 *data, u32 snapshot_id); 1849 int devlink_info_serial_number_put(struct devlink_info_req *req, 1850 const char *sn); 1851 int devlink_info_board_serial_number_put(struct devlink_info_req *req, 1852 const char *bsn); 1853 1854 enum devlink_info_version_type { 1855 DEVLINK_INFO_VERSION_TYPE_NONE, 1856 DEVLINK_INFO_VERSION_TYPE_COMPONENT, /* May be used as flash update 1857 * component by name. 1858 */ 1859 }; 1860 1861 int devlink_info_version_fixed_put(struct devlink_info_req *req, 1862 const char *version_name, 1863 const char *version_value); 1864 int devlink_info_version_stored_put(struct devlink_info_req *req, 1865 const char *version_name, 1866 const char *version_value); 1867 int devlink_info_version_stored_put_ext(struct devlink_info_req *req, 1868 const char *version_name, 1869 const char *version_value, 1870 enum devlink_info_version_type version_type); 1871 int devlink_info_version_running_put(struct devlink_info_req *req, 1872 const char *version_name, 1873 const char *version_value); 1874 int devlink_info_version_running_put_ext(struct devlink_info_req *req, 1875 const char *version_name, 1876 const char *version_value, 1877 enum devlink_info_version_type version_type); 1878 1879 void devlink_fmsg_obj_nest_start(struct devlink_fmsg *fmsg); 1880 void devlink_fmsg_obj_nest_end(struct devlink_fmsg *fmsg); 1881 1882 void devlink_fmsg_pair_nest_start(struct devlink_fmsg *fmsg, const char *name); 1883 void devlink_fmsg_pair_nest_end(struct devlink_fmsg *fmsg); 1884 1885 void devlink_fmsg_arr_pair_nest_start(struct devlink_fmsg *fmsg, 1886 const char *name); 1887 void devlink_fmsg_arr_pair_nest_end(struct devlink_fmsg *fmsg); 1888 void devlink_fmsg_binary_pair_nest_start(struct devlink_fmsg *fmsg, 1889 const char *name); 1890 void devlink_fmsg_binary_pair_nest_end(struct devlink_fmsg *fmsg); 1891 1892 void devlink_fmsg_u32_put(struct devlink_fmsg *fmsg, u32 value); 1893 void devlink_fmsg_string_put(struct devlink_fmsg *fmsg, const char *value); 1894 void devlink_fmsg_binary_put(struct devlink_fmsg *fmsg, const void *value, 1895 u16 value_len); 1896 1897 void devlink_fmsg_bool_pair_put(struct devlink_fmsg *fmsg, const char *name, 1898 bool value); 1899 void devlink_fmsg_u8_pair_put(struct devlink_fmsg *fmsg, const char *name, 1900 u8 value); 1901 void devlink_fmsg_u32_pair_put(struct devlink_fmsg *fmsg, const char *name, 1902 u32 value); 1903 void devlink_fmsg_u64_pair_put(struct devlink_fmsg *fmsg, const char *name, 1904 u64 value); 1905 void devlink_fmsg_string_pair_put(struct devlink_fmsg *fmsg, const char *name, 1906 const char *value); 1907 void devlink_fmsg_binary_pair_put(struct devlink_fmsg *fmsg, const char *name, 1908 const void *value, u32 value_len); 1909 1910 struct devlink_health_reporter * 1911 devl_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 devlink_port_health_reporter_create(struct devlink_port *port, 1917 const struct devlink_health_reporter_ops *ops, 1918 u64 graceful_period, void *priv); 1919 1920 struct devlink_health_reporter * 1921 devl_health_reporter_create(struct devlink *devlink, 1922 const struct devlink_health_reporter_ops *ops, 1923 u64 graceful_period, void *priv); 1924 1925 struct devlink_health_reporter * 1926 devlink_health_reporter_create(struct devlink *devlink, 1927 const struct devlink_health_reporter_ops *ops, 1928 u64 graceful_period, void *priv); 1929 1930 void 1931 devl_health_reporter_destroy(struct devlink_health_reporter *reporter); 1932 1933 void 1934 devlink_health_reporter_destroy(struct devlink_health_reporter *reporter); 1935 1936 void * 1937 devlink_health_reporter_priv(struct devlink_health_reporter *reporter); 1938 int devlink_health_report(struct devlink_health_reporter *reporter, 1939 const char *msg, void *priv_ctx); 1940 void 1941 devlink_health_reporter_state_update(struct devlink_health_reporter *reporter, 1942 enum devlink_health_reporter_state state); 1943 void 1944 devlink_health_reporter_recovery_done(struct devlink_health_reporter *reporter); 1945 1946 int devl_nested_devlink_set(struct devlink *devlink, 1947 struct devlink *nested_devlink); 1948 bool devlink_is_reload_failed(const struct devlink *devlink); 1949 void devlink_remote_reload_actions_performed(struct devlink *devlink, 1950 enum devlink_reload_limit limit, 1951 u32 actions_performed); 1952 1953 void devlink_flash_update_status_notify(struct devlink *devlink, 1954 const char *status_msg, 1955 const char *component, 1956 unsigned long done, 1957 unsigned long total); 1958 void devlink_flash_update_timeout_notify(struct devlink *devlink, 1959 const char *status_msg, 1960 const char *component, 1961 unsigned long timeout); 1962 1963 int devl_traps_register(struct devlink *devlink, 1964 const struct devlink_trap *traps, 1965 size_t traps_count, void *priv); 1966 int devlink_traps_register(struct devlink *devlink, 1967 const struct devlink_trap *traps, 1968 size_t traps_count, void *priv); 1969 void devl_traps_unregister(struct devlink *devlink, 1970 const struct devlink_trap *traps, 1971 size_t traps_count); 1972 void devlink_traps_unregister(struct devlink *devlink, 1973 const struct devlink_trap *traps, 1974 size_t traps_count); 1975 void devlink_trap_report(struct devlink *devlink, struct sk_buff *skb, 1976 void *trap_ctx, struct devlink_port *in_devlink_port, 1977 const struct flow_action_cookie *fa_cookie); 1978 void *devlink_trap_ctx_priv(void *trap_ctx); 1979 int devl_trap_groups_register(struct devlink *devlink, 1980 const struct devlink_trap_group *groups, 1981 size_t groups_count); 1982 int devlink_trap_groups_register(struct devlink *devlink, 1983 const struct devlink_trap_group *groups, 1984 size_t groups_count); 1985 void devl_trap_groups_unregister(struct devlink *devlink, 1986 const struct devlink_trap_group *groups, 1987 size_t groups_count); 1988 void devlink_trap_groups_unregister(struct devlink *devlink, 1989 const struct devlink_trap_group *groups, 1990 size_t groups_count); 1991 int 1992 devl_trap_policers_register(struct devlink *devlink, 1993 const struct devlink_trap_policer *policers, 1994 size_t policers_count); 1995 void 1996 devl_trap_policers_unregister(struct devlink *devlink, 1997 const struct devlink_trap_policer *policers, 1998 size_t policers_count); 1999 2000 #if IS_ENABLED(CONFIG_NET_DEVLINK) 2001 2002 struct devlink *__must_check devlink_try_get(struct devlink *devlink); 2003 void devlink_put(struct devlink *devlink); 2004 2005 void devlink_compat_running_version(struct devlink *devlink, 2006 char *buf, size_t len); 2007 int devlink_compat_flash_update(struct devlink *devlink, const char *file_name); 2008 int devlink_compat_phys_port_name_get(struct net_device *dev, 2009 char *name, size_t len); 2010 int devlink_compat_switch_id_get(struct net_device *dev, 2011 struct netdev_phys_item_id *ppid); 2012 2013 int devlink_nl_port_handle_fill(struct sk_buff *msg, struct devlink_port *devlink_port); 2014 size_t devlink_nl_port_handle_size(struct devlink_port *devlink_port); 2015 void devlink_fmsg_dump_skb(struct devlink_fmsg *fmsg, const struct sk_buff *skb); 2016 2017 #else 2018 2019 static inline struct devlink *devlink_try_get(struct devlink *devlink) 2020 { 2021 return NULL; 2022 } 2023 2024 static inline void devlink_put(struct devlink *devlink) 2025 { 2026 } 2027 2028 static inline void 2029 devlink_compat_running_version(struct devlink *devlink, char *buf, size_t len) 2030 { 2031 } 2032 2033 static inline int 2034 devlink_compat_flash_update(struct devlink *devlink, const char *file_name) 2035 { 2036 return -EOPNOTSUPP; 2037 } 2038 2039 static inline int 2040 devlink_compat_phys_port_name_get(struct net_device *dev, 2041 char *name, size_t len) 2042 { 2043 return -EOPNOTSUPP; 2044 } 2045 2046 static inline int 2047 devlink_compat_switch_id_get(struct net_device *dev, 2048 struct netdev_phys_item_id *ppid) 2049 { 2050 return -EOPNOTSUPP; 2051 } 2052 2053 static inline int 2054 devlink_nl_port_handle_fill(struct sk_buff *msg, struct devlink_port *devlink_port) 2055 { 2056 return 0; 2057 } 2058 2059 static inline size_t devlink_nl_port_handle_size(struct devlink_port *devlink_port) 2060 { 2061 return 0; 2062 } 2063 2064 #endif 2065 2066 #endif /* _NET_DEVLINK_H_ */ 2067