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 23 struct devlink_ops; 24 25 struct devlink { 26 struct list_head list; 27 struct list_head port_list; 28 struct list_head sb_list; 29 struct list_head dpipe_table_list; 30 struct list_head resource_list; 31 struct list_head param_list; 32 struct list_head region_list; 33 struct list_head reporter_list; 34 struct mutex reporters_lock; /* protects reporter_list */ 35 struct devlink_dpipe_headers *dpipe_headers; 36 struct list_head trap_list; 37 struct list_head trap_group_list; 38 const struct devlink_ops *ops; 39 struct xarray snapshot_ids; 40 struct device *dev; 41 possible_net_t _net; 42 struct mutex lock; 43 u8 reload_failed:1, 44 reload_enabled:1, 45 registered:1; 46 char priv[0] __aligned(NETDEV_ALIGN); 47 }; 48 49 struct devlink_port_phys_attrs { 50 u32 port_number; /* Same value as "split group". 51 * A physical port which is visible to the user 52 * for a given port flavour. 53 */ 54 u32 split_subport_number; 55 }; 56 57 struct devlink_port_pci_pf_attrs { 58 u16 pf; /* Associated PCI PF for this port. */ 59 }; 60 61 struct devlink_port_pci_vf_attrs { 62 u16 pf; /* Associated PCI PF for this port. */ 63 u16 vf; /* Associated PCI VF for of the PCI PF for this port. */ 64 }; 65 66 struct devlink_port_attrs { 67 u8 set:1, 68 split:1, 69 switch_port:1; 70 enum devlink_port_flavour flavour; 71 struct netdev_phys_item_id switch_id; 72 union { 73 struct devlink_port_phys_attrs phys; 74 struct devlink_port_pci_pf_attrs pci_pf; 75 struct devlink_port_pci_vf_attrs pci_vf; 76 }; 77 }; 78 79 struct devlink_port { 80 struct list_head list; 81 struct list_head param_list; 82 struct devlink *devlink; 83 unsigned int index; 84 bool registered; 85 spinlock_t type_lock; /* Protects type and type_dev 86 * pointer consistency. 87 */ 88 enum devlink_port_type type; 89 enum devlink_port_type desired_type; 90 void *type_dev; 91 struct devlink_port_attrs attrs; 92 struct delayed_work type_warn_dw; 93 }; 94 95 struct devlink_sb_pool_info { 96 enum devlink_sb_pool_type pool_type; 97 u32 size; 98 enum devlink_sb_threshold_type threshold_type; 99 u32 cell_size; 100 }; 101 102 /** 103 * struct devlink_dpipe_field - dpipe field object 104 * @name: field name 105 * @id: index inside the headers field array 106 * @bitwidth: bitwidth 107 * @mapping_type: mapping type 108 */ 109 struct devlink_dpipe_field { 110 const char *name; 111 unsigned int id; 112 unsigned int bitwidth; 113 enum devlink_dpipe_field_mapping_type mapping_type; 114 }; 115 116 /** 117 * struct devlink_dpipe_header - dpipe header object 118 * @name: header name 119 * @id: index, global/local detrmined by global bit 120 * @fields: fields 121 * @fields_count: number of fields 122 * @global: indicates if header is shared like most protocol header 123 * or driver specific 124 */ 125 struct devlink_dpipe_header { 126 const char *name; 127 unsigned int id; 128 struct devlink_dpipe_field *fields; 129 unsigned int fields_count; 130 bool global; 131 }; 132 133 /** 134 * struct devlink_dpipe_match - represents match operation 135 * @type: type of match 136 * @header_index: header index (packets can have several headers of same 137 * type like in case of tunnels) 138 * @header: header 139 * @fieled_id: field index 140 */ 141 struct devlink_dpipe_match { 142 enum devlink_dpipe_match_type type; 143 unsigned int header_index; 144 struct devlink_dpipe_header *header; 145 unsigned int field_id; 146 }; 147 148 /** 149 * struct devlink_dpipe_action - represents action operation 150 * @type: type of action 151 * @header_index: header index (packets can have several headers of same 152 * type like in case of tunnels) 153 * @header: header 154 * @fieled_id: field index 155 */ 156 struct devlink_dpipe_action { 157 enum devlink_dpipe_action_type type; 158 unsigned int header_index; 159 struct devlink_dpipe_header *header; 160 unsigned int field_id; 161 }; 162 163 /** 164 * struct devlink_dpipe_value - represents value of match/action 165 * @action: action 166 * @match: match 167 * @mapping_value: in case the field has some mapping this value 168 * specified the mapping value 169 * @mapping_valid: specify if mapping value is valid 170 * @value_size: value size 171 * @value: value 172 * @mask: bit mask 173 */ 174 struct devlink_dpipe_value { 175 union { 176 struct devlink_dpipe_action *action; 177 struct devlink_dpipe_match *match; 178 }; 179 unsigned int mapping_value; 180 bool mapping_valid; 181 unsigned int value_size; 182 void *value; 183 void *mask; 184 }; 185 186 /** 187 * struct devlink_dpipe_entry - table entry object 188 * @index: index of the entry in the table 189 * @match_values: match values 190 * @matche_values_count: count of matches tuples 191 * @action_values: actions values 192 * @action_values_count: count of actions values 193 * @counter: value of counter 194 * @counter_valid: Specify if value is valid from hardware 195 */ 196 struct devlink_dpipe_entry { 197 u64 index; 198 struct devlink_dpipe_value *match_values; 199 unsigned int match_values_count; 200 struct devlink_dpipe_value *action_values; 201 unsigned int action_values_count; 202 u64 counter; 203 bool counter_valid; 204 }; 205 206 /** 207 * struct devlink_dpipe_dump_ctx - context provided to driver in order 208 * to dump 209 * @info: info 210 * @cmd: devlink command 211 * @skb: skb 212 * @nest: top attribute 213 * @hdr: hdr 214 */ 215 struct devlink_dpipe_dump_ctx { 216 struct genl_info *info; 217 enum devlink_command cmd; 218 struct sk_buff *skb; 219 struct nlattr *nest; 220 void *hdr; 221 }; 222 223 struct devlink_dpipe_table_ops; 224 225 /** 226 * struct devlink_dpipe_table - table object 227 * @priv: private 228 * @name: table name 229 * @counters_enabled: indicates if counters are active 230 * @counter_control_extern: indicates if counter control is in dpipe or 231 * external tool 232 * @resource_valid: Indicate that the resource id is valid 233 * @resource_id: relative resource this table is related to 234 * @resource_units: number of resource's unit consumed per table's entry 235 * @table_ops: table operations 236 * @rcu: rcu 237 */ 238 struct devlink_dpipe_table { 239 void *priv; 240 struct list_head list; 241 const char *name; 242 bool counters_enabled; 243 bool counter_control_extern; 244 bool resource_valid; 245 u64 resource_id; 246 u64 resource_units; 247 struct devlink_dpipe_table_ops *table_ops; 248 struct rcu_head rcu; 249 }; 250 251 /** 252 * struct devlink_dpipe_table_ops - dpipe_table ops 253 * @actions_dump - dumps all tables actions 254 * @matches_dump - dumps all tables matches 255 * @entries_dump - dumps all active entries in the table 256 * @counters_set_update - when changing the counter status hardware sync 257 * maybe needed to allocate/free counter related 258 * resources 259 * @size_get - get size 260 */ 261 struct devlink_dpipe_table_ops { 262 int (*actions_dump)(void *priv, struct sk_buff *skb); 263 int (*matches_dump)(void *priv, struct sk_buff *skb); 264 int (*entries_dump)(void *priv, bool counters_enabled, 265 struct devlink_dpipe_dump_ctx *dump_ctx); 266 int (*counters_set_update)(void *priv, bool enable); 267 u64 (*size_get)(void *priv); 268 }; 269 270 /** 271 * struct devlink_dpipe_headers - dpipe headers 272 * @headers - header array can be shared (global bit) or driver specific 273 * @headers_count - count of headers 274 */ 275 struct devlink_dpipe_headers { 276 struct devlink_dpipe_header **headers; 277 unsigned int headers_count; 278 }; 279 280 /** 281 * struct devlink_resource_size_params - resource's size parameters 282 * @size_min: minimum size which can be set 283 * @size_max: maximum size which can be set 284 * @size_granularity: size granularity 285 * @size_unit: resource's basic unit 286 */ 287 struct devlink_resource_size_params { 288 u64 size_min; 289 u64 size_max; 290 u64 size_granularity; 291 enum devlink_resource_unit unit; 292 }; 293 294 static inline void 295 devlink_resource_size_params_init(struct devlink_resource_size_params *size_params, 296 u64 size_min, u64 size_max, 297 u64 size_granularity, 298 enum devlink_resource_unit unit) 299 { 300 size_params->size_min = size_min; 301 size_params->size_max = size_max; 302 size_params->size_granularity = size_granularity; 303 size_params->unit = unit; 304 } 305 306 typedef u64 devlink_resource_occ_get_t(void *priv); 307 308 /** 309 * struct devlink_resource - devlink resource 310 * @name: name of the resource 311 * @id: id, per devlink instance 312 * @size: size of the resource 313 * @size_new: updated size of the resource, reload is needed 314 * @size_valid: valid in case the total size of the resource is valid 315 * including its children 316 * @parent: parent resource 317 * @size_params: size parameters 318 * @list: parent list 319 * @resource_list: list of child resources 320 */ 321 struct devlink_resource { 322 const char *name; 323 u64 id; 324 u64 size; 325 u64 size_new; 326 bool size_valid; 327 struct devlink_resource *parent; 328 struct devlink_resource_size_params size_params; 329 struct list_head list; 330 struct list_head resource_list; 331 devlink_resource_occ_get_t *occ_get; 332 void *occ_get_priv; 333 }; 334 335 #define DEVLINK_RESOURCE_ID_PARENT_TOP 0 336 337 #define __DEVLINK_PARAM_MAX_STRING_VALUE 32 338 enum devlink_param_type { 339 DEVLINK_PARAM_TYPE_U8, 340 DEVLINK_PARAM_TYPE_U16, 341 DEVLINK_PARAM_TYPE_U32, 342 DEVLINK_PARAM_TYPE_STRING, 343 DEVLINK_PARAM_TYPE_BOOL, 344 }; 345 346 union devlink_param_value { 347 u8 vu8; 348 u16 vu16; 349 u32 vu32; 350 char vstr[__DEVLINK_PARAM_MAX_STRING_VALUE]; 351 bool vbool; 352 }; 353 354 struct devlink_param_gset_ctx { 355 union devlink_param_value val; 356 enum devlink_param_cmode cmode; 357 }; 358 359 /** 360 * struct devlink_param - devlink configuration parameter data 361 * @name: name of the parameter 362 * @generic: indicates if the parameter is generic or driver specific 363 * @type: parameter type 364 * @supported_cmodes: bitmap of supported configuration modes 365 * @get: get parameter value, used for runtime and permanent 366 * configuration modes 367 * @set: set parameter value, used for runtime and permanent 368 * configuration modes 369 * @validate: validate input value is applicable (within value range, etc.) 370 * 371 * This struct should be used by the driver to fill the data for 372 * a parameter it registers. 373 */ 374 struct devlink_param { 375 u32 id; 376 const char *name; 377 bool generic; 378 enum devlink_param_type type; 379 unsigned long supported_cmodes; 380 int (*get)(struct devlink *devlink, u32 id, 381 struct devlink_param_gset_ctx *ctx); 382 int (*set)(struct devlink *devlink, u32 id, 383 struct devlink_param_gset_ctx *ctx); 384 int (*validate)(struct devlink *devlink, u32 id, 385 union devlink_param_value val, 386 struct netlink_ext_ack *extack); 387 }; 388 389 struct devlink_param_item { 390 struct list_head list; 391 const struct devlink_param *param; 392 union devlink_param_value driverinit_value; 393 bool driverinit_value_valid; 394 bool published; 395 }; 396 397 enum devlink_param_generic_id { 398 DEVLINK_PARAM_GENERIC_ID_INT_ERR_RESET, 399 DEVLINK_PARAM_GENERIC_ID_MAX_MACS, 400 DEVLINK_PARAM_GENERIC_ID_ENABLE_SRIOV, 401 DEVLINK_PARAM_GENERIC_ID_REGION_SNAPSHOT, 402 DEVLINK_PARAM_GENERIC_ID_IGNORE_ARI, 403 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX, 404 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN, 405 DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY, 406 DEVLINK_PARAM_GENERIC_ID_RESET_DEV_ON_DRV_PROBE, 407 DEVLINK_PARAM_GENERIC_ID_ENABLE_ROCE, 408 409 /* add new param generic ids above here*/ 410 __DEVLINK_PARAM_GENERIC_ID_MAX, 411 DEVLINK_PARAM_GENERIC_ID_MAX = __DEVLINK_PARAM_GENERIC_ID_MAX - 1, 412 }; 413 414 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_NAME "internal_error_reset" 415 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL 416 417 #define DEVLINK_PARAM_GENERIC_MAX_MACS_NAME "max_macs" 418 #define DEVLINK_PARAM_GENERIC_MAX_MACS_TYPE DEVLINK_PARAM_TYPE_U32 419 420 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_NAME "enable_sriov" 421 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_TYPE DEVLINK_PARAM_TYPE_BOOL 422 423 #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_NAME "region_snapshot_enable" 424 #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_TYPE DEVLINK_PARAM_TYPE_BOOL 425 426 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_NAME "ignore_ari" 427 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_TYPE DEVLINK_PARAM_TYPE_BOOL 428 429 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_NAME "msix_vec_per_pf_max" 430 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_TYPE DEVLINK_PARAM_TYPE_U32 431 432 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_NAME "msix_vec_per_pf_min" 433 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_TYPE DEVLINK_PARAM_TYPE_U32 434 435 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_NAME "fw_load_policy" 436 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_TYPE DEVLINK_PARAM_TYPE_U8 437 438 #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_NAME \ 439 "reset_dev_on_drv_probe" 440 #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_TYPE DEVLINK_PARAM_TYPE_U8 441 442 #define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_NAME "enable_roce" 443 #define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_TYPE DEVLINK_PARAM_TYPE_BOOL 444 445 #define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate) \ 446 { \ 447 .id = DEVLINK_PARAM_GENERIC_ID_##_id, \ 448 .name = DEVLINK_PARAM_GENERIC_##_id##_NAME, \ 449 .type = DEVLINK_PARAM_GENERIC_##_id##_TYPE, \ 450 .generic = true, \ 451 .supported_cmodes = _cmodes, \ 452 .get = _get, \ 453 .set = _set, \ 454 .validate = _validate, \ 455 } 456 457 #define DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, _get, _set, _validate) \ 458 { \ 459 .id = _id, \ 460 .name = _name, \ 461 .type = _type, \ 462 .supported_cmodes = _cmodes, \ 463 .get = _get, \ 464 .set = _set, \ 465 .validate = _validate, \ 466 } 467 468 /* Part number, identifier of board design */ 469 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_ID "board.id" 470 /* Revision of board design */ 471 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_REV "board.rev" 472 /* Maker of the board */ 473 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_MANUFACTURE "board.manufacture" 474 475 /* Part number, identifier of asic design */ 476 #define DEVLINK_INFO_VERSION_GENERIC_ASIC_ID "asic.id" 477 /* Revision of asic design */ 478 #define DEVLINK_INFO_VERSION_GENERIC_ASIC_REV "asic.rev" 479 480 /* Overall FW version */ 481 #define DEVLINK_INFO_VERSION_GENERIC_FW "fw" 482 /* Control processor FW version */ 483 #define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT "fw.mgmt" 484 /* Data path microcode controlling high-speed packet processing */ 485 #define DEVLINK_INFO_VERSION_GENERIC_FW_APP "fw.app" 486 /* UNDI software version */ 487 #define DEVLINK_INFO_VERSION_GENERIC_FW_UNDI "fw.undi" 488 /* NCSI support/handler version */ 489 #define DEVLINK_INFO_VERSION_GENERIC_FW_NCSI "fw.ncsi" 490 /* FW parameter set id */ 491 #define DEVLINK_INFO_VERSION_GENERIC_FW_PSID "fw.psid" 492 /* RoCE FW version */ 493 #define DEVLINK_INFO_VERSION_GENERIC_FW_ROCE "fw.roce" 494 /* Firmware bundle identifier */ 495 #define DEVLINK_INFO_VERSION_GENERIC_FW_BUNDLE_ID "fw.bundle_id" 496 497 struct devlink_region; 498 struct devlink_info_req; 499 500 /** 501 * struct devlink_region_ops - Region operations 502 * @name: region name 503 * @destructor: callback used to free snapshot memory when deleting 504 * @snapshot: callback to request an immediate snapshot. On success, 505 * the data variable must be updated to point to the snapshot data. 506 * The function will be called while the devlink instance lock is 507 * held. 508 */ 509 struct devlink_region_ops { 510 const char *name; 511 void (*destructor)(const void *data); 512 int (*snapshot)(struct devlink *devlink, struct netlink_ext_ack *extack, 513 u8 **data); 514 }; 515 516 struct devlink_fmsg; 517 struct devlink_health_reporter; 518 519 enum devlink_health_reporter_state { 520 DEVLINK_HEALTH_REPORTER_STATE_HEALTHY, 521 DEVLINK_HEALTH_REPORTER_STATE_ERROR, 522 }; 523 524 /** 525 * struct devlink_health_reporter_ops - Reporter operations 526 * @name: reporter name 527 * @recover: callback to recover from reported error 528 * if priv_ctx is NULL, run a full recover 529 * @dump: callback to dump an object 530 * if priv_ctx is NULL, run a full dump 531 * @diagnose: callback to diagnose the current status 532 */ 533 534 struct devlink_health_reporter_ops { 535 char *name; 536 int (*recover)(struct devlink_health_reporter *reporter, 537 void *priv_ctx, struct netlink_ext_ack *extack); 538 int (*dump)(struct devlink_health_reporter *reporter, 539 struct devlink_fmsg *fmsg, void *priv_ctx, 540 struct netlink_ext_ack *extack); 541 int (*diagnose)(struct devlink_health_reporter *reporter, 542 struct devlink_fmsg *fmsg, 543 struct netlink_ext_ack *extack); 544 }; 545 546 /** 547 * struct devlink_trap_group - Immutable packet trap group attributes. 548 * @name: Trap group name. 549 * @id: Trap group identifier. 550 * @generic: Whether the trap group is generic or not. 551 * 552 * Describes immutable attributes of packet trap groups that drivers register 553 * with devlink. 554 */ 555 struct devlink_trap_group { 556 const char *name; 557 u16 id; 558 bool generic; 559 }; 560 561 #define DEVLINK_TRAP_METADATA_TYPE_F_IN_PORT BIT(0) 562 #define DEVLINK_TRAP_METADATA_TYPE_F_FA_COOKIE BIT(1) 563 564 /** 565 * struct devlink_trap - Immutable packet trap attributes. 566 * @type: Trap type. 567 * @init_action: Initial trap action. 568 * @generic: Whether the trap is generic or not. 569 * @id: Trap identifier. 570 * @name: Trap name. 571 * @init_group_id: Initial group identifier. 572 * @metadata_cap: Metadata types that can be provided by the trap. 573 * 574 * Describes immutable attributes of packet traps that drivers register with 575 * devlink. 576 */ 577 struct devlink_trap { 578 enum devlink_trap_type type; 579 enum devlink_trap_action init_action; 580 bool generic; 581 u16 id; 582 const char *name; 583 u16 init_group_id; 584 u32 metadata_cap; 585 }; 586 587 /* All traps must be documented in 588 * Documentation/networking/devlink/devlink-trap.rst 589 */ 590 enum devlink_trap_generic_id { 591 DEVLINK_TRAP_GENERIC_ID_SMAC_MC, 592 DEVLINK_TRAP_GENERIC_ID_VLAN_TAG_MISMATCH, 593 DEVLINK_TRAP_GENERIC_ID_INGRESS_VLAN_FILTER, 594 DEVLINK_TRAP_GENERIC_ID_INGRESS_STP_FILTER, 595 DEVLINK_TRAP_GENERIC_ID_EMPTY_TX_LIST, 596 DEVLINK_TRAP_GENERIC_ID_PORT_LOOPBACK_FILTER, 597 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_ROUTE, 598 DEVLINK_TRAP_GENERIC_ID_TTL_ERROR, 599 DEVLINK_TRAP_GENERIC_ID_TAIL_DROP, 600 DEVLINK_TRAP_GENERIC_ID_NON_IP_PACKET, 601 DEVLINK_TRAP_GENERIC_ID_UC_DIP_MC_DMAC, 602 DEVLINK_TRAP_GENERIC_ID_DIP_LB, 603 DEVLINK_TRAP_GENERIC_ID_SIP_MC, 604 DEVLINK_TRAP_GENERIC_ID_SIP_LB, 605 DEVLINK_TRAP_GENERIC_ID_CORRUPTED_IP_HDR, 606 DEVLINK_TRAP_GENERIC_ID_IPV4_SIP_BC, 607 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_RESERVED_SCOPE, 608 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE, 609 DEVLINK_TRAP_GENERIC_ID_MTU_ERROR, 610 DEVLINK_TRAP_GENERIC_ID_UNRESOLVED_NEIGH, 611 DEVLINK_TRAP_GENERIC_ID_RPF, 612 DEVLINK_TRAP_GENERIC_ID_REJECT_ROUTE, 613 DEVLINK_TRAP_GENERIC_ID_IPV4_LPM_UNICAST_MISS, 614 DEVLINK_TRAP_GENERIC_ID_IPV6_LPM_UNICAST_MISS, 615 DEVLINK_TRAP_GENERIC_ID_NON_ROUTABLE, 616 DEVLINK_TRAP_GENERIC_ID_DECAP_ERROR, 617 DEVLINK_TRAP_GENERIC_ID_OVERLAY_SMAC_MC, 618 DEVLINK_TRAP_GENERIC_ID_INGRESS_FLOW_ACTION_DROP, 619 DEVLINK_TRAP_GENERIC_ID_EGRESS_FLOW_ACTION_DROP, 620 621 /* Add new generic trap IDs above */ 622 __DEVLINK_TRAP_GENERIC_ID_MAX, 623 DEVLINK_TRAP_GENERIC_ID_MAX = __DEVLINK_TRAP_GENERIC_ID_MAX - 1, 624 }; 625 626 /* All trap groups must be documented in 627 * Documentation/networking/devlink/devlink-trap.rst 628 */ 629 enum devlink_trap_group_generic_id { 630 DEVLINK_TRAP_GROUP_GENERIC_ID_L2_DROPS, 631 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_DROPS, 632 DEVLINK_TRAP_GROUP_GENERIC_ID_BUFFER_DROPS, 633 DEVLINK_TRAP_GROUP_GENERIC_ID_TUNNEL_DROPS, 634 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_DROPS, 635 636 /* Add new generic trap group IDs above */ 637 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX, 638 DEVLINK_TRAP_GROUP_GENERIC_ID_MAX = 639 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX - 1, 640 }; 641 642 #define DEVLINK_TRAP_GENERIC_NAME_SMAC_MC \ 643 "source_mac_is_multicast" 644 #define DEVLINK_TRAP_GENERIC_NAME_VLAN_TAG_MISMATCH \ 645 "vlan_tag_mismatch" 646 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_VLAN_FILTER \ 647 "ingress_vlan_filter" 648 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_STP_FILTER \ 649 "ingress_spanning_tree_filter" 650 #define DEVLINK_TRAP_GENERIC_NAME_EMPTY_TX_LIST \ 651 "port_list_is_empty" 652 #define DEVLINK_TRAP_GENERIC_NAME_PORT_LOOPBACK_FILTER \ 653 "port_loopback_filter" 654 #define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_ROUTE \ 655 "blackhole_route" 656 #define DEVLINK_TRAP_GENERIC_NAME_TTL_ERROR \ 657 "ttl_value_is_too_small" 658 #define DEVLINK_TRAP_GENERIC_NAME_TAIL_DROP \ 659 "tail_drop" 660 #define DEVLINK_TRAP_GENERIC_NAME_NON_IP_PACKET \ 661 "non_ip" 662 #define DEVLINK_TRAP_GENERIC_NAME_UC_DIP_MC_DMAC \ 663 "uc_dip_over_mc_dmac" 664 #define DEVLINK_TRAP_GENERIC_NAME_DIP_LB \ 665 "dip_is_loopback_address" 666 #define DEVLINK_TRAP_GENERIC_NAME_SIP_MC \ 667 "sip_is_mc" 668 #define DEVLINK_TRAP_GENERIC_NAME_SIP_LB \ 669 "sip_is_loopback_address" 670 #define DEVLINK_TRAP_GENERIC_NAME_CORRUPTED_IP_HDR \ 671 "ip_header_corrupted" 672 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_SIP_BC \ 673 "ipv4_sip_is_limited_bc" 674 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_RESERVED_SCOPE \ 675 "ipv6_mc_dip_reserved_scope" 676 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE \ 677 "ipv6_mc_dip_interface_local_scope" 678 #define DEVLINK_TRAP_GENERIC_NAME_MTU_ERROR \ 679 "mtu_value_is_too_small" 680 #define DEVLINK_TRAP_GENERIC_NAME_UNRESOLVED_NEIGH \ 681 "unresolved_neigh" 682 #define DEVLINK_TRAP_GENERIC_NAME_RPF \ 683 "mc_reverse_path_forwarding" 684 #define DEVLINK_TRAP_GENERIC_NAME_REJECT_ROUTE \ 685 "reject_route" 686 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_LPM_UNICAST_MISS \ 687 "ipv4_lpm_miss" 688 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_LPM_UNICAST_MISS \ 689 "ipv6_lpm_miss" 690 #define DEVLINK_TRAP_GENERIC_NAME_NON_ROUTABLE \ 691 "non_routable_packet" 692 #define DEVLINK_TRAP_GENERIC_NAME_DECAP_ERROR \ 693 "decap_error" 694 #define DEVLINK_TRAP_GENERIC_NAME_OVERLAY_SMAC_MC \ 695 "overlay_smac_is_mc" 696 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_FLOW_ACTION_DROP \ 697 "ingress_flow_action_drop" 698 #define DEVLINK_TRAP_GENERIC_NAME_EGRESS_FLOW_ACTION_DROP \ 699 "egress_flow_action_drop" 700 701 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L2_DROPS \ 702 "l2_drops" 703 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_DROPS \ 704 "l3_drops" 705 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BUFFER_DROPS \ 706 "buffer_drops" 707 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_TUNNEL_DROPS \ 708 "tunnel_drops" 709 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_DROPS \ 710 "acl_drops" 711 712 #define DEVLINK_TRAP_GENERIC(_type, _init_action, _id, _group_id, \ 713 _metadata_cap) \ 714 { \ 715 .type = DEVLINK_TRAP_TYPE_##_type, \ 716 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \ 717 .generic = true, \ 718 .id = DEVLINK_TRAP_GENERIC_ID_##_id, \ 719 .name = DEVLINK_TRAP_GENERIC_NAME_##_id, \ 720 .init_group_id = _group_id, \ 721 .metadata_cap = _metadata_cap, \ 722 } 723 724 #define DEVLINK_TRAP_DRIVER(_type, _init_action, _id, _name, _group_id, \ 725 _metadata_cap) \ 726 { \ 727 .type = DEVLINK_TRAP_TYPE_##_type, \ 728 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \ 729 .generic = false, \ 730 .id = _id, \ 731 .name = _name, \ 732 .init_group_id = _group_id, \ 733 .metadata_cap = _metadata_cap, \ 734 } 735 736 #define DEVLINK_TRAP_GROUP_GENERIC(_id) \ 737 { \ 738 .name = DEVLINK_TRAP_GROUP_GENERIC_NAME_##_id, \ 739 .id = DEVLINK_TRAP_GROUP_GENERIC_ID_##_id, \ 740 .generic = true, \ 741 } 742 743 struct devlink_ops { 744 int (*reload_down)(struct devlink *devlink, bool netns_change, 745 struct netlink_ext_ack *extack); 746 int (*reload_up)(struct devlink *devlink, 747 struct netlink_ext_ack *extack); 748 int (*port_type_set)(struct devlink_port *devlink_port, 749 enum devlink_port_type port_type); 750 int (*port_split)(struct devlink *devlink, unsigned int port_index, 751 unsigned int count, struct netlink_ext_ack *extack); 752 int (*port_unsplit)(struct devlink *devlink, unsigned int port_index, 753 struct netlink_ext_ack *extack); 754 int (*sb_pool_get)(struct devlink *devlink, unsigned int sb_index, 755 u16 pool_index, 756 struct devlink_sb_pool_info *pool_info); 757 int (*sb_pool_set)(struct devlink *devlink, unsigned int sb_index, 758 u16 pool_index, u32 size, 759 enum devlink_sb_threshold_type threshold_type, 760 struct netlink_ext_ack *extack); 761 int (*sb_port_pool_get)(struct devlink_port *devlink_port, 762 unsigned int sb_index, u16 pool_index, 763 u32 *p_threshold); 764 int (*sb_port_pool_set)(struct devlink_port *devlink_port, 765 unsigned int sb_index, u16 pool_index, 766 u32 threshold, struct netlink_ext_ack *extack); 767 int (*sb_tc_pool_bind_get)(struct devlink_port *devlink_port, 768 unsigned int sb_index, 769 u16 tc_index, 770 enum devlink_sb_pool_type pool_type, 771 u16 *p_pool_index, u32 *p_threshold); 772 int (*sb_tc_pool_bind_set)(struct devlink_port *devlink_port, 773 unsigned int sb_index, 774 u16 tc_index, 775 enum devlink_sb_pool_type pool_type, 776 u16 pool_index, u32 threshold, 777 struct netlink_ext_ack *extack); 778 int (*sb_occ_snapshot)(struct devlink *devlink, 779 unsigned int sb_index); 780 int (*sb_occ_max_clear)(struct devlink *devlink, 781 unsigned int sb_index); 782 int (*sb_occ_port_pool_get)(struct devlink_port *devlink_port, 783 unsigned int sb_index, u16 pool_index, 784 u32 *p_cur, u32 *p_max); 785 int (*sb_occ_tc_port_bind_get)(struct devlink_port *devlink_port, 786 unsigned int sb_index, 787 u16 tc_index, 788 enum devlink_sb_pool_type pool_type, 789 u32 *p_cur, u32 *p_max); 790 791 int (*eswitch_mode_get)(struct devlink *devlink, u16 *p_mode); 792 int (*eswitch_mode_set)(struct devlink *devlink, u16 mode, 793 struct netlink_ext_ack *extack); 794 int (*eswitch_inline_mode_get)(struct devlink *devlink, u8 *p_inline_mode); 795 int (*eswitch_inline_mode_set)(struct devlink *devlink, u8 inline_mode, 796 struct netlink_ext_ack *extack); 797 int (*eswitch_encap_mode_get)(struct devlink *devlink, 798 enum devlink_eswitch_encap_mode *p_encap_mode); 799 int (*eswitch_encap_mode_set)(struct devlink *devlink, 800 enum devlink_eswitch_encap_mode encap_mode, 801 struct netlink_ext_ack *extack); 802 int (*info_get)(struct devlink *devlink, struct devlink_info_req *req, 803 struct netlink_ext_ack *extack); 804 int (*flash_update)(struct devlink *devlink, const char *file_name, 805 const char *component, 806 struct netlink_ext_ack *extack); 807 /** 808 * @trap_init: Trap initialization function. 809 * 810 * Should be used by device drivers to initialize the trap in the 811 * underlying device. Drivers should also store the provided trap 812 * context, so that they could efficiently pass it to 813 * devlink_trap_report() when the trap is triggered. 814 */ 815 int (*trap_init)(struct devlink *devlink, 816 const struct devlink_trap *trap, void *trap_ctx); 817 /** 818 * @trap_fini: Trap de-initialization function. 819 * 820 * Should be used by device drivers to de-initialize the trap in the 821 * underlying device. 822 */ 823 void (*trap_fini)(struct devlink *devlink, 824 const struct devlink_trap *trap, void *trap_ctx); 825 /** 826 * @trap_action_set: Trap action set function. 827 */ 828 int (*trap_action_set)(struct devlink *devlink, 829 const struct devlink_trap *trap, 830 enum devlink_trap_action action); 831 /** 832 * @trap_group_init: Trap group initialization function. 833 * 834 * Should be used by device drivers to initialize the trap group in the 835 * underlying device. 836 */ 837 int (*trap_group_init)(struct devlink *devlink, 838 const struct devlink_trap_group *group); 839 }; 840 841 static inline void *devlink_priv(struct devlink *devlink) 842 { 843 BUG_ON(!devlink); 844 return &devlink->priv; 845 } 846 847 static inline struct devlink *priv_to_devlink(void *priv) 848 { 849 BUG_ON(!priv); 850 return container_of(priv, struct devlink, priv); 851 } 852 853 static inline struct devlink_port * 854 netdev_to_devlink_port(struct net_device *dev) 855 { 856 if (dev->netdev_ops->ndo_get_devlink_port) 857 return dev->netdev_ops->ndo_get_devlink_port(dev); 858 return NULL; 859 } 860 861 static inline struct devlink *netdev_to_devlink(struct net_device *dev) 862 { 863 struct devlink_port *devlink_port = netdev_to_devlink_port(dev); 864 865 if (devlink_port) 866 return devlink_port->devlink; 867 return NULL; 868 } 869 870 struct ib_device; 871 872 struct net *devlink_net(const struct devlink *devlink); 873 void devlink_net_set(struct devlink *devlink, struct net *net); 874 struct devlink *devlink_alloc(const struct devlink_ops *ops, size_t priv_size); 875 int devlink_register(struct devlink *devlink, struct device *dev); 876 void devlink_unregister(struct devlink *devlink); 877 void devlink_reload_enable(struct devlink *devlink); 878 void devlink_reload_disable(struct devlink *devlink); 879 void devlink_free(struct devlink *devlink); 880 int devlink_port_register(struct devlink *devlink, 881 struct devlink_port *devlink_port, 882 unsigned int port_index); 883 void devlink_port_unregister(struct devlink_port *devlink_port); 884 void devlink_port_type_eth_set(struct devlink_port *devlink_port, 885 struct net_device *netdev); 886 void devlink_port_type_ib_set(struct devlink_port *devlink_port, 887 struct ib_device *ibdev); 888 void devlink_port_type_clear(struct devlink_port *devlink_port); 889 void devlink_port_attrs_set(struct devlink_port *devlink_port, 890 enum devlink_port_flavour flavour, 891 u32 port_number, bool split, 892 u32 split_subport_number, 893 const unsigned char *switch_id, 894 unsigned char switch_id_len); 895 void devlink_port_attrs_pci_pf_set(struct devlink_port *devlink_port, 896 const unsigned char *switch_id, 897 unsigned char switch_id_len, u16 pf); 898 void devlink_port_attrs_pci_vf_set(struct devlink_port *devlink_port, 899 const unsigned char *switch_id, 900 unsigned char switch_id_len, 901 u16 pf, u16 vf); 902 int devlink_sb_register(struct devlink *devlink, unsigned int sb_index, 903 u32 size, u16 ingress_pools_count, 904 u16 egress_pools_count, u16 ingress_tc_count, 905 u16 egress_tc_count); 906 void devlink_sb_unregister(struct devlink *devlink, unsigned int sb_index); 907 int devlink_dpipe_table_register(struct devlink *devlink, 908 const char *table_name, 909 struct devlink_dpipe_table_ops *table_ops, 910 void *priv, bool counter_control_extern); 911 void devlink_dpipe_table_unregister(struct devlink *devlink, 912 const char *table_name); 913 int devlink_dpipe_headers_register(struct devlink *devlink, 914 struct devlink_dpipe_headers *dpipe_headers); 915 void devlink_dpipe_headers_unregister(struct devlink *devlink); 916 bool devlink_dpipe_table_counter_enabled(struct devlink *devlink, 917 const char *table_name); 918 int devlink_dpipe_entry_ctx_prepare(struct devlink_dpipe_dump_ctx *dump_ctx); 919 int devlink_dpipe_entry_ctx_append(struct devlink_dpipe_dump_ctx *dump_ctx, 920 struct devlink_dpipe_entry *entry); 921 int devlink_dpipe_entry_ctx_close(struct devlink_dpipe_dump_ctx *dump_ctx); 922 void devlink_dpipe_entry_clear(struct devlink_dpipe_entry *entry); 923 int devlink_dpipe_action_put(struct sk_buff *skb, 924 struct devlink_dpipe_action *action); 925 int devlink_dpipe_match_put(struct sk_buff *skb, 926 struct devlink_dpipe_match *match); 927 extern struct devlink_dpipe_header devlink_dpipe_header_ethernet; 928 extern struct devlink_dpipe_header devlink_dpipe_header_ipv4; 929 extern struct devlink_dpipe_header devlink_dpipe_header_ipv6; 930 931 int devlink_resource_register(struct devlink *devlink, 932 const char *resource_name, 933 u64 resource_size, 934 u64 resource_id, 935 u64 parent_resource_id, 936 const struct devlink_resource_size_params *size_params); 937 void devlink_resources_unregister(struct devlink *devlink, 938 struct devlink_resource *resource); 939 int devlink_resource_size_get(struct devlink *devlink, 940 u64 resource_id, 941 u64 *p_resource_size); 942 int devlink_dpipe_table_resource_set(struct devlink *devlink, 943 const char *table_name, u64 resource_id, 944 u64 resource_units); 945 void devlink_resource_occ_get_register(struct devlink *devlink, 946 u64 resource_id, 947 devlink_resource_occ_get_t *occ_get, 948 void *occ_get_priv); 949 void devlink_resource_occ_get_unregister(struct devlink *devlink, 950 u64 resource_id); 951 int devlink_params_register(struct devlink *devlink, 952 const struct devlink_param *params, 953 size_t params_count); 954 void devlink_params_unregister(struct devlink *devlink, 955 const struct devlink_param *params, 956 size_t params_count); 957 void devlink_params_publish(struct devlink *devlink); 958 void devlink_params_unpublish(struct devlink *devlink); 959 int devlink_port_params_register(struct devlink_port *devlink_port, 960 const struct devlink_param *params, 961 size_t params_count); 962 void devlink_port_params_unregister(struct devlink_port *devlink_port, 963 const struct devlink_param *params, 964 size_t params_count); 965 int devlink_param_driverinit_value_get(struct devlink *devlink, u32 param_id, 966 union devlink_param_value *init_val); 967 int devlink_param_driverinit_value_set(struct devlink *devlink, u32 param_id, 968 union devlink_param_value init_val); 969 int 970 devlink_port_param_driverinit_value_get(struct devlink_port *devlink_port, 971 u32 param_id, 972 union devlink_param_value *init_val); 973 int devlink_port_param_driverinit_value_set(struct devlink_port *devlink_port, 974 u32 param_id, 975 union devlink_param_value init_val); 976 void devlink_param_value_changed(struct devlink *devlink, u32 param_id); 977 void devlink_port_param_value_changed(struct devlink_port *devlink_port, 978 u32 param_id); 979 void devlink_param_value_str_fill(union devlink_param_value *dst_val, 980 const char *src); 981 struct devlink_region * 982 devlink_region_create(struct devlink *devlink, 983 const struct devlink_region_ops *ops, 984 u32 region_max_snapshots, u64 region_size); 985 void devlink_region_destroy(struct devlink_region *region); 986 int devlink_region_snapshot_id_get(struct devlink *devlink, u32 *id); 987 void devlink_region_snapshot_id_put(struct devlink *devlink, u32 id); 988 int devlink_region_snapshot_create(struct devlink_region *region, 989 u8 *data, u32 snapshot_id); 990 int devlink_info_serial_number_put(struct devlink_info_req *req, 991 const char *sn); 992 int devlink_info_driver_name_put(struct devlink_info_req *req, 993 const char *name); 994 int devlink_info_version_fixed_put(struct devlink_info_req *req, 995 const char *version_name, 996 const char *version_value); 997 int devlink_info_version_stored_put(struct devlink_info_req *req, 998 const char *version_name, 999 const char *version_value); 1000 int devlink_info_version_running_put(struct devlink_info_req *req, 1001 const char *version_name, 1002 const char *version_value); 1003 1004 int devlink_fmsg_obj_nest_start(struct devlink_fmsg *fmsg); 1005 int devlink_fmsg_obj_nest_end(struct devlink_fmsg *fmsg); 1006 1007 int devlink_fmsg_pair_nest_start(struct devlink_fmsg *fmsg, const char *name); 1008 int devlink_fmsg_pair_nest_end(struct devlink_fmsg *fmsg); 1009 1010 int devlink_fmsg_arr_pair_nest_start(struct devlink_fmsg *fmsg, 1011 const char *name); 1012 int devlink_fmsg_arr_pair_nest_end(struct devlink_fmsg *fmsg); 1013 int devlink_fmsg_binary_pair_nest_start(struct devlink_fmsg *fmsg, 1014 const char *name); 1015 int devlink_fmsg_binary_pair_nest_end(struct devlink_fmsg *fmsg); 1016 1017 int devlink_fmsg_bool_put(struct devlink_fmsg *fmsg, bool value); 1018 int devlink_fmsg_u8_put(struct devlink_fmsg *fmsg, u8 value); 1019 int devlink_fmsg_u32_put(struct devlink_fmsg *fmsg, u32 value); 1020 int devlink_fmsg_u64_put(struct devlink_fmsg *fmsg, u64 value); 1021 int devlink_fmsg_string_put(struct devlink_fmsg *fmsg, const char *value); 1022 int devlink_fmsg_binary_put(struct devlink_fmsg *fmsg, const void *value, 1023 u16 value_len); 1024 1025 int devlink_fmsg_bool_pair_put(struct devlink_fmsg *fmsg, const char *name, 1026 bool value); 1027 int devlink_fmsg_u8_pair_put(struct devlink_fmsg *fmsg, const char *name, 1028 u8 value); 1029 int devlink_fmsg_u32_pair_put(struct devlink_fmsg *fmsg, const char *name, 1030 u32 value); 1031 int devlink_fmsg_u64_pair_put(struct devlink_fmsg *fmsg, const char *name, 1032 u64 value); 1033 int devlink_fmsg_string_pair_put(struct devlink_fmsg *fmsg, const char *name, 1034 const char *value); 1035 int devlink_fmsg_binary_pair_put(struct devlink_fmsg *fmsg, const char *name, 1036 const void *value, u32 value_len); 1037 1038 struct devlink_health_reporter * 1039 devlink_health_reporter_create(struct devlink *devlink, 1040 const struct devlink_health_reporter_ops *ops, 1041 u64 graceful_period, bool auto_recover, 1042 void *priv); 1043 void 1044 devlink_health_reporter_destroy(struct devlink_health_reporter *reporter); 1045 1046 void * 1047 devlink_health_reporter_priv(struct devlink_health_reporter *reporter); 1048 int devlink_health_report(struct devlink_health_reporter *reporter, 1049 const char *msg, void *priv_ctx); 1050 void 1051 devlink_health_reporter_state_update(struct devlink_health_reporter *reporter, 1052 enum devlink_health_reporter_state state); 1053 void 1054 devlink_health_reporter_recovery_done(struct devlink_health_reporter *reporter); 1055 1056 bool devlink_is_reload_failed(const struct devlink *devlink); 1057 1058 void devlink_flash_update_begin_notify(struct devlink *devlink); 1059 void devlink_flash_update_end_notify(struct devlink *devlink); 1060 void devlink_flash_update_status_notify(struct devlink *devlink, 1061 const char *status_msg, 1062 const char *component, 1063 unsigned long done, 1064 unsigned long total); 1065 1066 int devlink_traps_register(struct devlink *devlink, 1067 const struct devlink_trap *traps, 1068 size_t traps_count, void *priv); 1069 void devlink_traps_unregister(struct devlink *devlink, 1070 const struct devlink_trap *traps, 1071 size_t traps_count); 1072 void devlink_trap_report(struct devlink *devlink, struct sk_buff *skb, 1073 void *trap_ctx, struct devlink_port *in_devlink_port, 1074 const struct flow_action_cookie *fa_cookie); 1075 void *devlink_trap_ctx_priv(void *trap_ctx); 1076 int devlink_trap_groups_register(struct devlink *devlink, 1077 const struct devlink_trap_group *groups, 1078 size_t groups_count); 1079 void devlink_trap_groups_unregister(struct devlink *devlink, 1080 const struct devlink_trap_group *groups, 1081 size_t groups_count); 1082 1083 #if IS_ENABLED(CONFIG_NET_DEVLINK) 1084 1085 void devlink_compat_running_version(struct net_device *dev, 1086 char *buf, size_t len); 1087 int devlink_compat_flash_update(struct net_device *dev, const char *file_name); 1088 int devlink_compat_phys_port_name_get(struct net_device *dev, 1089 char *name, size_t len); 1090 int devlink_compat_switch_id_get(struct net_device *dev, 1091 struct netdev_phys_item_id *ppid); 1092 1093 #else 1094 1095 static inline void 1096 devlink_compat_running_version(struct net_device *dev, char *buf, size_t len) 1097 { 1098 } 1099 1100 static inline int 1101 devlink_compat_flash_update(struct net_device *dev, const char *file_name) 1102 { 1103 return -EOPNOTSUPP; 1104 } 1105 1106 static inline int 1107 devlink_compat_phys_port_name_get(struct net_device *dev, 1108 char *name, size_t len) 1109 { 1110 return -EOPNOTSUPP; 1111 } 1112 1113 static inline int 1114 devlink_compat_switch_id_get(struct net_device *dev, 1115 struct netdev_phys_item_id *ppid) 1116 { 1117 return -EOPNOTSUPP; 1118 } 1119 1120 #endif 1121 1122 #endif /* _NET_DEVLINK_H_ */ 1123