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 u32 tc_bw[DEVLINK_RATE_TCS_MAX]; 123 }; 124 125 struct devlink_port { 126 struct list_head list; 127 struct list_head region_list; 128 struct devlink *devlink; 129 const struct devlink_port_ops *ops; 130 unsigned int index; 131 spinlock_t type_lock; /* Protects type and type_eth/ib 132 * structures consistency. 133 */ 134 enum devlink_port_type type; 135 enum devlink_port_type desired_type; 136 union { 137 struct { 138 struct net_device *netdev; 139 int ifindex; 140 char ifname[IFNAMSIZ]; 141 } type_eth; 142 struct { 143 struct ib_device *ibdev; 144 } type_ib; 145 }; 146 struct devlink_port_attrs attrs; 147 u8 attrs_set:1, 148 switch_port:1, 149 registered:1, 150 initialized:1; 151 struct delayed_work type_warn_dw; 152 struct list_head reporter_list; 153 154 struct devlink_rate *devlink_rate; 155 struct devlink_linecard *linecard; 156 u32 rel_index; 157 }; 158 159 struct devlink_port_new_attrs { 160 enum devlink_port_flavour flavour; 161 unsigned int port_index; 162 u32 controller; 163 u32 sfnum; 164 u16 pfnum; 165 u8 port_index_valid:1, 166 controller_valid:1, 167 sfnum_valid:1; 168 }; 169 170 /** 171 * struct devlink_linecard_ops - Linecard operations 172 * @provision: callback to provision the linecard slot with certain 173 * type of linecard. As a result of this operation, 174 * driver is expected to eventually (could be after 175 * the function call returns) call one of: 176 * devlink_linecard_provision_set() 177 * devlink_linecard_provision_fail() 178 * @unprovision: callback to unprovision the linecard slot. As a result 179 * of this operation, driver is expected to eventually 180 * (could be after the function call returns) call 181 * devlink_linecard_provision_clear() 182 * devlink_linecard_provision_fail() 183 * @same_provision: callback to ask the driver if linecard is already 184 * provisioned in the same way user asks this linecard to be 185 * provisioned. 186 * @types_count: callback to get number of supported types 187 * @types_get: callback to get next type in list 188 */ 189 struct devlink_linecard_ops { 190 int (*provision)(struct devlink_linecard *linecard, void *priv, 191 const char *type, const void *type_priv, 192 struct netlink_ext_ack *extack); 193 int (*unprovision)(struct devlink_linecard *linecard, void *priv, 194 struct netlink_ext_ack *extack); 195 bool (*same_provision)(struct devlink_linecard *linecard, void *priv, 196 const char *type, const void *type_priv); 197 unsigned int (*types_count)(struct devlink_linecard *linecard, 198 void *priv); 199 void (*types_get)(struct devlink_linecard *linecard, 200 void *priv, unsigned int index, const char **type, 201 const void **type_priv); 202 }; 203 204 struct devlink_sb_pool_info { 205 enum devlink_sb_pool_type pool_type; 206 u32 size; 207 enum devlink_sb_threshold_type threshold_type; 208 u32 cell_size; 209 }; 210 211 /** 212 * struct devlink_dpipe_field - dpipe field object 213 * @name: field name 214 * @id: index inside the headers field array 215 * @bitwidth: bitwidth 216 * @mapping_type: mapping type 217 */ 218 struct devlink_dpipe_field { 219 const char *name; 220 unsigned int id; 221 unsigned int bitwidth; 222 enum devlink_dpipe_field_mapping_type mapping_type; 223 }; 224 225 /** 226 * struct devlink_dpipe_header - dpipe header object 227 * @name: header name 228 * @id: index, global/local determined by global bit 229 * @fields: fields 230 * @fields_count: number of fields 231 * @global: indicates if header is shared like most protocol header 232 * or driver specific 233 */ 234 struct devlink_dpipe_header { 235 const char *name; 236 unsigned int id; 237 struct devlink_dpipe_field *fields; 238 unsigned int fields_count; 239 bool global; 240 }; 241 242 /** 243 * struct devlink_dpipe_match - represents match operation 244 * @type: type of match 245 * @header_index: header index (packets can have several headers of same 246 * type like in case of tunnels) 247 * @header: header 248 * @field_id: field index 249 */ 250 struct devlink_dpipe_match { 251 enum devlink_dpipe_match_type type; 252 unsigned int header_index; 253 struct devlink_dpipe_header *header; 254 unsigned int field_id; 255 }; 256 257 /** 258 * struct devlink_dpipe_action - represents action operation 259 * @type: type of action 260 * @header_index: header index (packets can have several headers of same 261 * type like in case of tunnels) 262 * @header: header 263 * @field_id: field index 264 */ 265 struct devlink_dpipe_action { 266 enum devlink_dpipe_action_type type; 267 unsigned int header_index; 268 struct devlink_dpipe_header *header; 269 unsigned int field_id; 270 }; 271 272 /** 273 * struct devlink_dpipe_value - represents value of match/action 274 * @action: action 275 * @match: match 276 * @mapping_value: in case the field has some mapping this value 277 * specified the mapping value 278 * @mapping_valid: specify if mapping value is valid 279 * @value_size: value size 280 * @value: value 281 * @mask: bit mask 282 */ 283 struct devlink_dpipe_value { 284 union { 285 struct devlink_dpipe_action *action; 286 struct devlink_dpipe_match *match; 287 }; 288 unsigned int mapping_value; 289 bool mapping_valid; 290 unsigned int value_size; 291 void *value; 292 void *mask; 293 }; 294 295 /** 296 * struct devlink_dpipe_entry - table entry object 297 * @index: index of the entry in the table 298 * @match_values: match values 299 * @match_values_count: count of matches tuples 300 * @action_values: actions values 301 * @action_values_count: count of actions values 302 * @counter: value of counter 303 * @counter_valid: Specify if value is valid from hardware 304 */ 305 struct devlink_dpipe_entry { 306 u64 index; 307 struct devlink_dpipe_value *match_values; 308 unsigned int match_values_count; 309 struct devlink_dpipe_value *action_values; 310 unsigned int action_values_count; 311 u64 counter; 312 bool counter_valid; 313 }; 314 315 /** 316 * struct devlink_dpipe_dump_ctx - context provided to driver in order 317 * to dump 318 * @info: info 319 * @cmd: devlink command 320 * @skb: skb 321 * @nest: top attribute 322 * @hdr: hdr 323 */ 324 struct devlink_dpipe_dump_ctx { 325 struct genl_info *info; 326 enum devlink_command cmd; 327 struct sk_buff *skb; 328 struct nlattr *nest; 329 void *hdr; 330 }; 331 332 struct devlink_dpipe_table_ops; 333 334 /** 335 * struct devlink_dpipe_table - table object 336 * @priv: private 337 * @name: table name 338 * @counters_enabled: indicates if counters are active 339 * @counter_control_extern: indicates if counter control is in dpipe or 340 * external tool 341 * @resource_valid: Indicate that the resource id is valid 342 * @resource_id: relative resource this table is related to 343 * @resource_units: number of resource's unit consumed per table's entry 344 * @table_ops: table operations 345 * @rcu: rcu 346 */ 347 struct devlink_dpipe_table { 348 void *priv; 349 /* private: */ 350 struct list_head list; 351 /* public: */ 352 const char *name; 353 bool counters_enabled; 354 bool counter_control_extern; 355 bool resource_valid; 356 u64 resource_id; 357 u64 resource_units; 358 const struct devlink_dpipe_table_ops *table_ops; 359 struct rcu_head rcu; 360 }; 361 362 /** 363 * struct devlink_dpipe_table_ops - dpipe_table ops 364 * @actions_dump: dumps all tables actions 365 * @matches_dump: dumps all tables matches 366 * @entries_dump: dumps all active entries in the table 367 * @counters_set_update: when changing the counter status hardware sync 368 * maybe needed to allocate/free counter related 369 * resources 370 * @size_get: get size 371 */ 372 struct devlink_dpipe_table_ops { 373 int (*actions_dump)(void *priv, struct sk_buff *skb); 374 int (*matches_dump)(void *priv, struct sk_buff *skb); 375 int (*entries_dump)(void *priv, bool counters_enabled, 376 struct devlink_dpipe_dump_ctx *dump_ctx); 377 int (*counters_set_update)(void *priv, bool enable); 378 u64 (*size_get)(void *priv); 379 }; 380 381 /** 382 * struct devlink_dpipe_headers - dpipe headers 383 * @headers: header array can be shared (global bit) or driver specific 384 * @headers_count: count of headers 385 */ 386 struct devlink_dpipe_headers { 387 struct devlink_dpipe_header **headers; 388 unsigned int headers_count; 389 }; 390 391 /** 392 * struct devlink_resource_size_params - resource's size parameters 393 * @size_min: minimum size which can be set 394 * @size_max: maximum size which can be set 395 * @size_granularity: size granularity 396 * @unit: resource's basic unit 397 */ 398 struct devlink_resource_size_params { 399 u64 size_min; 400 u64 size_max; 401 u64 size_granularity; 402 enum devlink_resource_unit unit; 403 }; 404 405 static inline void 406 devlink_resource_size_params_init(struct devlink_resource_size_params *size_params, 407 u64 size_min, u64 size_max, 408 u64 size_granularity, 409 enum devlink_resource_unit unit) 410 { 411 size_params->size_min = size_min; 412 size_params->size_max = size_max; 413 size_params->size_granularity = size_granularity; 414 size_params->unit = unit; 415 } 416 417 typedef u64 devlink_resource_occ_get_t(void *priv); 418 419 #define DEVLINK_RESOURCE_ID_PARENT_TOP 0 420 421 #define DEVLINK_RESOURCE_GENERIC_NAME_PORTS "physical_ports" 422 423 #define __DEVLINK_PARAM_MAX_STRING_VALUE 32 424 enum devlink_param_type { 425 DEVLINK_PARAM_TYPE_U8 = DEVLINK_VAR_ATTR_TYPE_U8, 426 DEVLINK_PARAM_TYPE_U16 = DEVLINK_VAR_ATTR_TYPE_U16, 427 DEVLINK_PARAM_TYPE_U32 = DEVLINK_VAR_ATTR_TYPE_U32, 428 DEVLINK_PARAM_TYPE_U64 = DEVLINK_VAR_ATTR_TYPE_U64, 429 DEVLINK_PARAM_TYPE_STRING = DEVLINK_VAR_ATTR_TYPE_STRING, 430 DEVLINK_PARAM_TYPE_BOOL = DEVLINK_VAR_ATTR_TYPE_FLAG, 431 }; 432 433 union devlink_param_value { 434 u8 vu8; 435 u16 vu16; 436 u32 vu32; 437 u64 vu64; 438 char vstr[__DEVLINK_PARAM_MAX_STRING_VALUE]; 439 bool vbool; 440 }; 441 442 struct devlink_param_gset_ctx { 443 union devlink_param_value val; 444 enum devlink_param_cmode cmode; 445 }; 446 447 /** 448 * struct devlink_flash_notify - devlink dev flash notify data 449 * @status_msg: current status string 450 * @component: firmware component being updated 451 * @done: amount of work completed of total amount 452 * @total: amount of work expected to be done 453 * @timeout: expected max timeout in seconds 454 * 455 * These are values to be given to userland to be displayed in order 456 * to show current activity in a firmware update process. 457 */ 458 struct devlink_flash_notify { 459 const char *status_msg; 460 const char *component; 461 unsigned long done; 462 unsigned long total; 463 unsigned long timeout; 464 }; 465 466 /** 467 * struct devlink_param - devlink configuration parameter data 468 * @id: devlink parameter id number 469 * @name: name of the parameter 470 * @generic: indicates if the parameter is generic or driver specific 471 * @type: parameter type 472 * @supported_cmodes: bitmap of supported configuration modes 473 * @get: get parameter value, used for runtime and permanent 474 * configuration modes 475 * @set: set parameter value, used for runtime and permanent 476 * configuration modes 477 * @validate: validate input value is applicable (within value range, etc.) 478 * 479 * This struct should be used by the driver to fill the data for 480 * a parameter it registers. 481 */ 482 struct devlink_param { 483 u32 id; 484 const char *name; 485 bool generic; 486 enum devlink_param_type type; 487 unsigned long supported_cmodes; 488 int (*get)(struct devlink *devlink, u32 id, 489 struct devlink_param_gset_ctx *ctx); 490 int (*set)(struct devlink *devlink, u32 id, 491 struct devlink_param_gset_ctx *ctx, 492 struct netlink_ext_ack *extack); 493 int (*validate)(struct devlink *devlink, u32 id, 494 union devlink_param_value val, 495 struct netlink_ext_ack *extack); 496 }; 497 498 struct devlink_param_item { 499 struct list_head list; 500 const struct devlink_param *param; 501 union devlink_param_value driverinit_value; 502 bool driverinit_value_valid; 503 union devlink_param_value driverinit_value_new; /* Not reachable 504 * until reload. 505 */ 506 bool driverinit_value_new_valid; 507 }; 508 509 enum devlink_param_generic_id { 510 DEVLINK_PARAM_GENERIC_ID_INT_ERR_RESET, 511 DEVLINK_PARAM_GENERIC_ID_MAX_MACS, 512 DEVLINK_PARAM_GENERIC_ID_ENABLE_SRIOV, 513 DEVLINK_PARAM_GENERIC_ID_REGION_SNAPSHOT, 514 DEVLINK_PARAM_GENERIC_ID_IGNORE_ARI, 515 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX, 516 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN, 517 DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY, 518 DEVLINK_PARAM_GENERIC_ID_RESET_DEV_ON_DRV_PROBE, 519 DEVLINK_PARAM_GENERIC_ID_ENABLE_ROCE, 520 DEVLINK_PARAM_GENERIC_ID_ENABLE_REMOTE_DEV_RESET, 521 DEVLINK_PARAM_GENERIC_ID_ENABLE_ETH, 522 DEVLINK_PARAM_GENERIC_ID_ENABLE_RDMA, 523 DEVLINK_PARAM_GENERIC_ID_ENABLE_VNET, 524 DEVLINK_PARAM_GENERIC_ID_ENABLE_IWARP, 525 DEVLINK_PARAM_GENERIC_ID_IO_EQ_SIZE, 526 DEVLINK_PARAM_GENERIC_ID_EVENT_EQ_SIZE, 527 DEVLINK_PARAM_GENERIC_ID_ENABLE_PHC, 528 529 /* add new param generic ids above here*/ 530 __DEVLINK_PARAM_GENERIC_ID_MAX, 531 DEVLINK_PARAM_GENERIC_ID_MAX = __DEVLINK_PARAM_GENERIC_ID_MAX - 1, 532 }; 533 534 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_NAME "internal_error_reset" 535 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL 536 537 #define DEVLINK_PARAM_GENERIC_MAX_MACS_NAME "max_macs" 538 #define DEVLINK_PARAM_GENERIC_MAX_MACS_TYPE DEVLINK_PARAM_TYPE_U32 539 540 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_NAME "enable_sriov" 541 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_TYPE DEVLINK_PARAM_TYPE_BOOL 542 543 #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_NAME "region_snapshot_enable" 544 #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_TYPE DEVLINK_PARAM_TYPE_BOOL 545 546 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_NAME "ignore_ari" 547 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_TYPE DEVLINK_PARAM_TYPE_BOOL 548 549 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_NAME "msix_vec_per_pf_max" 550 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_TYPE DEVLINK_PARAM_TYPE_U32 551 552 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_NAME "msix_vec_per_pf_min" 553 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_TYPE DEVLINK_PARAM_TYPE_U32 554 555 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_NAME "fw_load_policy" 556 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_TYPE DEVLINK_PARAM_TYPE_U8 557 558 #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_NAME \ 559 "reset_dev_on_drv_probe" 560 #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_TYPE DEVLINK_PARAM_TYPE_U8 561 562 #define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_NAME "enable_roce" 563 #define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_TYPE DEVLINK_PARAM_TYPE_BOOL 564 565 #define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_NAME "enable_remote_dev_reset" 566 #define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL 567 568 #define DEVLINK_PARAM_GENERIC_ENABLE_ETH_NAME "enable_eth" 569 #define DEVLINK_PARAM_GENERIC_ENABLE_ETH_TYPE DEVLINK_PARAM_TYPE_BOOL 570 571 #define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_NAME "enable_rdma" 572 #define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_TYPE DEVLINK_PARAM_TYPE_BOOL 573 574 #define DEVLINK_PARAM_GENERIC_ENABLE_VNET_NAME "enable_vnet" 575 #define DEVLINK_PARAM_GENERIC_ENABLE_VNET_TYPE DEVLINK_PARAM_TYPE_BOOL 576 577 #define DEVLINK_PARAM_GENERIC_ENABLE_IWARP_NAME "enable_iwarp" 578 #define DEVLINK_PARAM_GENERIC_ENABLE_IWARP_TYPE DEVLINK_PARAM_TYPE_BOOL 579 580 #define DEVLINK_PARAM_GENERIC_IO_EQ_SIZE_NAME "io_eq_size" 581 #define DEVLINK_PARAM_GENERIC_IO_EQ_SIZE_TYPE DEVLINK_PARAM_TYPE_U32 582 583 #define DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_NAME "event_eq_size" 584 #define DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_TYPE DEVLINK_PARAM_TYPE_U32 585 586 #define DEVLINK_PARAM_GENERIC_ENABLE_PHC_NAME "enable_phc" 587 #define DEVLINK_PARAM_GENERIC_ENABLE_PHC_TYPE DEVLINK_PARAM_TYPE_BOOL 588 589 #define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate) \ 590 { \ 591 .id = DEVLINK_PARAM_GENERIC_ID_##_id, \ 592 .name = DEVLINK_PARAM_GENERIC_##_id##_NAME, \ 593 .type = DEVLINK_PARAM_GENERIC_##_id##_TYPE, \ 594 .generic = true, \ 595 .supported_cmodes = _cmodes, \ 596 .get = _get, \ 597 .set = _set, \ 598 .validate = _validate, \ 599 } 600 601 #define DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, _get, _set, _validate) \ 602 { \ 603 .id = _id, \ 604 .name = _name, \ 605 .type = _type, \ 606 .supported_cmodes = _cmodes, \ 607 .get = _get, \ 608 .set = _set, \ 609 .validate = _validate, \ 610 } 611 612 /* Identifier of board design */ 613 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_ID "board.id" 614 /* Revision of board design */ 615 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_REV "board.rev" 616 /* Maker of the board */ 617 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_MANUFACTURE "board.manufacture" 618 /* Part number of the board and its components */ 619 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_PART_NUMBER "board.part_number" 620 621 /* Part number, identifier of asic design */ 622 #define DEVLINK_INFO_VERSION_GENERIC_ASIC_ID "asic.id" 623 /* Revision of asic design */ 624 #define DEVLINK_INFO_VERSION_GENERIC_ASIC_REV "asic.rev" 625 626 /* Overall FW version */ 627 #define DEVLINK_INFO_VERSION_GENERIC_FW "fw" 628 /* Control processor FW version */ 629 #define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT "fw.mgmt" 630 /* FW interface specification version */ 631 #define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT_API "fw.mgmt.api" 632 /* Data path microcode controlling high-speed packet processing */ 633 #define DEVLINK_INFO_VERSION_GENERIC_FW_APP "fw.app" 634 /* UNDI software version */ 635 #define DEVLINK_INFO_VERSION_GENERIC_FW_UNDI "fw.undi" 636 /* NCSI support/handler version */ 637 #define DEVLINK_INFO_VERSION_GENERIC_FW_NCSI "fw.ncsi" 638 /* FW parameter set id */ 639 #define DEVLINK_INFO_VERSION_GENERIC_FW_PSID "fw.psid" 640 /* RoCE FW version */ 641 #define DEVLINK_INFO_VERSION_GENERIC_FW_ROCE "fw.roce" 642 /* Firmware bundle identifier */ 643 #define DEVLINK_INFO_VERSION_GENERIC_FW_BUNDLE_ID "fw.bundle_id" 644 /* Bootloader */ 645 #define DEVLINK_INFO_VERSION_GENERIC_FW_BOOTLOADER "fw.bootloader" 646 647 /** 648 * struct devlink_flash_update_params - Flash Update parameters 649 * @fw: pointer to the firmware data to update from 650 * @component: the flash component to update 651 * @overwrite_mask: which types of flash update are supported (may be %0) 652 * 653 * With the exception of fw, drivers must opt-in to parameters by 654 * setting the appropriate bit in the supported_flash_update_params field in 655 * their devlink_ops structure. 656 */ 657 struct devlink_flash_update_params { 658 const struct firmware *fw; 659 const char *component; 660 u32 overwrite_mask; 661 }; 662 663 #define DEVLINK_SUPPORT_FLASH_UPDATE_OVERWRITE_MASK BIT(0) 664 665 struct devlink_region; 666 struct devlink_info_req; 667 668 /** 669 * struct devlink_region_ops - Region operations 670 * @name: region name 671 * @destructor: callback used to free snapshot memory when deleting 672 * @snapshot: callback to request an immediate snapshot. On success, 673 * the data variable must be updated to point to the snapshot data. 674 * The function will be called while the devlink instance lock is 675 * held. 676 * @read: callback to directly read a portion of the region. On success, 677 * the data pointer will be updated with the contents of the 678 * requested portion of the region. The function will be called 679 * while the devlink instance lock is held. 680 * @priv: Pointer to driver private data for the region operation 681 */ 682 struct devlink_region_ops { 683 const char *name; 684 void (*destructor)(const void *data); 685 int (*snapshot)(struct devlink *devlink, 686 const struct devlink_region_ops *ops, 687 struct netlink_ext_ack *extack, 688 u8 **data); 689 int (*read)(struct devlink *devlink, 690 const struct devlink_region_ops *ops, 691 struct netlink_ext_ack *extack, 692 u64 offset, u32 size, u8 *data); 693 void *priv; 694 }; 695 696 /** 697 * struct devlink_port_region_ops - Region operations for a port 698 * @name: region name 699 * @destructor: callback used to free snapshot memory when deleting 700 * @snapshot: callback to request an immediate snapshot. On success, 701 * the data variable must be updated to point to the snapshot data. 702 * The function will be called while the devlink instance lock is 703 * held. 704 * @read: callback to directly read a portion of the region. On success, 705 * the data pointer will be updated with the contents of the 706 * requested portion of the region. The function will be called 707 * while the devlink instance lock is held. 708 * @priv: Pointer to driver private data for the region operation 709 */ 710 struct devlink_port_region_ops { 711 const char *name; 712 void (*destructor)(const void *data); 713 int (*snapshot)(struct devlink_port *port, 714 const struct devlink_port_region_ops *ops, 715 struct netlink_ext_ack *extack, 716 u8 **data); 717 int (*read)(struct devlink_port *port, 718 const struct devlink_port_region_ops *ops, 719 struct netlink_ext_ack *extack, 720 u64 offset, u32 size, u8 *data); 721 void *priv; 722 }; 723 724 struct devlink_fmsg; 725 struct devlink_health_reporter; 726 727 enum devlink_health_reporter_state { 728 DEVLINK_HEALTH_REPORTER_STATE_HEALTHY, 729 DEVLINK_HEALTH_REPORTER_STATE_ERROR, 730 }; 731 732 /** 733 * struct devlink_health_reporter_ops - Reporter operations 734 * @name: reporter name 735 * @recover: callback to recover from reported error 736 * if priv_ctx is NULL, run a full recover 737 * @dump: callback to dump an object 738 * if priv_ctx is NULL, run a full dump 739 * @diagnose: callback to diagnose the current status 740 * @test: callback to trigger a test event 741 */ 742 743 struct devlink_health_reporter_ops { 744 char *name; 745 int (*recover)(struct devlink_health_reporter *reporter, 746 void *priv_ctx, struct netlink_ext_ack *extack); 747 int (*dump)(struct devlink_health_reporter *reporter, 748 struct devlink_fmsg *fmsg, void *priv_ctx, 749 struct netlink_ext_ack *extack); 750 int (*diagnose)(struct devlink_health_reporter *reporter, 751 struct devlink_fmsg *fmsg, 752 struct netlink_ext_ack *extack); 753 int (*test)(struct devlink_health_reporter *reporter, 754 struct netlink_ext_ack *extack); 755 }; 756 757 /** 758 * struct devlink_trap_metadata - Packet trap metadata. 759 * @trap_name: Trap name. 760 * @trap_group_name: Trap group name. 761 * @input_dev: Input netdevice. 762 * @dev_tracker: refcount tracker for @input_dev. 763 * @fa_cookie: Flow action user cookie. 764 * @trap_type: Trap type. 765 */ 766 struct devlink_trap_metadata { 767 const char *trap_name; 768 const char *trap_group_name; 769 770 struct net_device *input_dev; 771 netdevice_tracker dev_tracker; 772 773 const struct flow_action_cookie *fa_cookie; 774 enum devlink_trap_type trap_type; 775 }; 776 777 /** 778 * struct devlink_trap_policer - Immutable packet trap policer attributes. 779 * @id: Policer identifier. 780 * @init_rate: Initial rate in packets / sec. 781 * @init_burst: Initial burst size in packets. 782 * @max_rate: Maximum rate. 783 * @min_rate: Minimum rate. 784 * @max_burst: Maximum burst size. 785 * @min_burst: Minimum burst size. 786 * 787 * Describes immutable attributes of packet trap policers that drivers register 788 * with devlink. 789 */ 790 struct devlink_trap_policer { 791 u32 id; 792 u64 init_rate; 793 u64 init_burst; 794 u64 max_rate; 795 u64 min_rate; 796 u64 max_burst; 797 u64 min_burst; 798 }; 799 800 /** 801 * struct devlink_trap_group - Immutable packet trap group attributes. 802 * @name: Trap group name. 803 * @id: Trap group identifier. 804 * @generic: Whether the trap group is generic or not. 805 * @init_policer_id: Initial policer identifier. 806 * 807 * Describes immutable attributes of packet trap groups that drivers register 808 * with devlink. 809 */ 810 struct devlink_trap_group { 811 const char *name; 812 u16 id; 813 bool generic; 814 u32 init_policer_id; 815 }; 816 817 #define DEVLINK_TRAP_METADATA_TYPE_F_IN_PORT BIT(0) 818 #define DEVLINK_TRAP_METADATA_TYPE_F_FA_COOKIE BIT(1) 819 820 /** 821 * struct devlink_trap - Immutable packet trap attributes. 822 * @type: Trap type. 823 * @init_action: Initial trap action. 824 * @generic: Whether the trap is generic or not. 825 * @id: Trap identifier. 826 * @name: Trap name. 827 * @init_group_id: Initial group identifier. 828 * @metadata_cap: Metadata types that can be provided by the trap. 829 * 830 * Describes immutable attributes of packet traps that drivers register with 831 * devlink. 832 */ 833 struct devlink_trap { 834 enum devlink_trap_type type; 835 enum devlink_trap_action init_action; 836 bool generic; 837 u16 id; 838 const char *name; 839 u16 init_group_id; 840 u32 metadata_cap; 841 }; 842 843 /* All traps must be documented in 844 * Documentation/networking/devlink/devlink-trap.rst 845 */ 846 enum devlink_trap_generic_id { 847 DEVLINK_TRAP_GENERIC_ID_SMAC_MC, 848 DEVLINK_TRAP_GENERIC_ID_VLAN_TAG_MISMATCH, 849 DEVLINK_TRAP_GENERIC_ID_INGRESS_VLAN_FILTER, 850 DEVLINK_TRAP_GENERIC_ID_INGRESS_STP_FILTER, 851 DEVLINK_TRAP_GENERIC_ID_EMPTY_TX_LIST, 852 DEVLINK_TRAP_GENERIC_ID_PORT_LOOPBACK_FILTER, 853 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_ROUTE, 854 DEVLINK_TRAP_GENERIC_ID_TTL_ERROR, 855 DEVLINK_TRAP_GENERIC_ID_TAIL_DROP, 856 DEVLINK_TRAP_GENERIC_ID_NON_IP_PACKET, 857 DEVLINK_TRAP_GENERIC_ID_UC_DIP_MC_DMAC, 858 DEVLINK_TRAP_GENERIC_ID_DIP_LB, 859 DEVLINK_TRAP_GENERIC_ID_SIP_MC, 860 DEVLINK_TRAP_GENERIC_ID_SIP_LB, 861 DEVLINK_TRAP_GENERIC_ID_CORRUPTED_IP_HDR, 862 DEVLINK_TRAP_GENERIC_ID_IPV4_SIP_BC, 863 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_RESERVED_SCOPE, 864 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE, 865 DEVLINK_TRAP_GENERIC_ID_MTU_ERROR, 866 DEVLINK_TRAP_GENERIC_ID_UNRESOLVED_NEIGH, 867 DEVLINK_TRAP_GENERIC_ID_RPF, 868 DEVLINK_TRAP_GENERIC_ID_REJECT_ROUTE, 869 DEVLINK_TRAP_GENERIC_ID_IPV4_LPM_UNICAST_MISS, 870 DEVLINK_TRAP_GENERIC_ID_IPV6_LPM_UNICAST_MISS, 871 DEVLINK_TRAP_GENERIC_ID_NON_ROUTABLE, 872 DEVLINK_TRAP_GENERIC_ID_DECAP_ERROR, 873 DEVLINK_TRAP_GENERIC_ID_OVERLAY_SMAC_MC, 874 DEVLINK_TRAP_GENERIC_ID_INGRESS_FLOW_ACTION_DROP, 875 DEVLINK_TRAP_GENERIC_ID_EGRESS_FLOW_ACTION_DROP, 876 DEVLINK_TRAP_GENERIC_ID_STP, 877 DEVLINK_TRAP_GENERIC_ID_LACP, 878 DEVLINK_TRAP_GENERIC_ID_LLDP, 879 DEVLINK_TRAP_GENERIC_ID_IGMP_QUERY, 880 DEVLINK_TRAP_GENERIC_ID_IGMP_V1_REPORT, 881 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_REPORT, 882 DEVLINK_TRAP_GENERIC_ID_IGMP_V3_REPORT, 883 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_LEAVE, 884 DEVLINK_TRAP_GENERIC_ID_MLD_QUERY, 885 DEVLINK_TRAP_GENERIC_ID_MLD_V1_REPORT, 886 DEVLINK_TRAP_GENERIC_ID_MLD_V2_REPORT, 887 DEVLINK_TRAP_GENERIC_ID_MLD_V1_DONE, 888 DEVLINK_TRAP_GENERIC_ID_IPV4_DHCP, 889 DEVLINK_TRAP_GENERIC_ID_IPV6_DHCP, 890 DEVLINK_TRAP_GENERIC_ID_ARP_REQUEST, 891 DEVLINK_TRAP_GENERIC_ID_ARP_RESPONSE, 892 DEVLINK_TRAP_GENERIC_ID_ARP_OVERLAY, 893 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_SOLICIT, 894 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_ADVERT, 895 DEVLINK_TRAP_GENERIC_ID_IPV4_BFD, 896 DEVLINK_TRAP_GENERIC_ID_IPV6_BFD, 897 DEVLINK_TRAP_GENERIC_ID_IPV4_OSPF, 898 DEVLINK_TRAP_GENERIC_ID_IPV6_OSPF, 899 DEVLINK_TRAP_GENERIC_ID_IPV4_BGP, 900 DEVLINK_TRAP_GENERIC_ID_IPV6_BGP, 901 DEVLINK_TRAP_GENERIC_ID_IPV4_VRRP, 902 DEVLINK_TRAP_GENERIC_ID_IPV6_VRRP, 903 DEVLINK_TRAP_GENERIC_ID_IPV4_PIM, 904 DEVLINK_TRAP_GENERIC_ID_IPV6_PIM, 905 DEVLINK_TRAP_GENERIC_ID_UC_LB, 906 DEVLINK_TRAP_GENERIC_ID_LOCAL_ROUTE, 907 DEVLINK_TRAP_GENERIC_ID_EXTERNAL_ROUTE, 908 DEVLINK_TRAP_GENERIC_ID_IPV6_UC_DIP_LINK_LOCAL_SCOPE, 909 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_NODES, 910 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_ROUTERS, 911 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_SOLICIT, 912 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ADVERT, 913 DEVLINK_TRAP_GENERIC_ID_IPV6_REDIRECT, 914 DEVLINK_TRAP_GENERIC_ID_IPV4_ROUTER_ALERT, 915 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ALERT, 916 DEVLINK_TRAP_GENERIC_ID_PTP_EVENT, 917 DEVLINK_TRAP_GENERIC_ID_PTP_GENERAL, 918 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_SAMPLE, 919 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_TRAP, 920 DEVLINK_TRAP_GENERIC_ID_EARLY_DROP, 921 DEVLINK_TRAP_GENERIC_ID_VXLAN_PARSING, 922 DEVLINK_TRAP_GENERIC_ID_LLC_SNAP_PARSING, 923 DEVLINK_TRAP_GENERIC_ID_VLAN_PARSING, 924 DEVLINK_TRAP_GENERIC_ID_PPPOE_PPP_PARSING, 925 DEVLINK_TRAP_GENERIC_ID_MPLS_PARSING, 926 DEVLINK_TRAP_GENERIC_ID_ARP_PARSING, 927 DEVLINK_TRAP_GENERIC_ID_IP_1_PARSING, 928 DEVLINK_TRAP_GENERIC_ID_IP_N_PARSING, 929 DEVLINK_TRAP_GENERIC_ID_GRE_PARSING, 930 DEVLINK_TRAP_GENERIC_ID_UDP_PARSING, 931 DEVLINK_TRAP_GENERIC_ID_TCP_PARSING, 932 DEVLINK_TRAP_GENERIC_ID_IPSEC_PARSING, 933 DEVLINK_TRAP_GENERIC_ID_SCTP_PARSING, 934 DEVLINK_TRAP_GENERIC_ID_DCCP_PARSING, 935 DEVLINK_TRAP_GENERIC_ID_GTP_PARSING, 936 DEVLINK_TRAP_GENERIC_ID_ESP_PARSING, 937 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_NEXTHOP, 938 DEVLINK_TRAP_GENERIC_ID_DMAC_FILTER, 939 DEVLINK_TRAP_GENERIC_ID_EAPOL, 940 DEVLINK_TRAP_GENERIC_ID_LOCKED_PORT, 941 942 /* Add new generic trap IDs above */ 943 __DEVLINK_TRAP_GENERIC_ID_MAX, 944 DEVLINK_TRAP_GENERIC_ID_MAX = __DEVLINK_TRAP_GENERIC_ID_MAX - 1, 945 }; 946 947 /* All trap groups must be documented in 948 * Documentation/networking/devlink/devlink-trap.rst 949 */ 950 enum devlink_trap_group_generic_id { 951 DEVLINK_TRAP_GROUP_GENERIC_ID_L2_DROPS, 952 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_DROPS, 953 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_EXCEPTIONS, 954 DEVLINK_TRAP_GROUP_GENERIC_ID_BUFFER_DROPS, 955 DEVLINK_TRAP_GROUP_GENERIC_ID_TUNNEL_DROPS, 956 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_DROPS, 957 DEVLINK_TRAP_GROUP_GENERIC_ID_STP, 958 DEVLINK_TRAP_GROUP_GENERIC_ID_LACP, 959 DEVLINK_TRAP_GROUP_GENERIC_ID_LLDP, 960 DEVLINK_TRAP_GROUP_GENERIC_ID_MC_SNOOPING, 961 DEVLINK_TRAP_GROUP_GENERIC_ID_DHCP, 962 DEVLINK_TRAP_GROUP_GENERIC_ID_NEIGH_DISCOVERY, 963 DEVLINK_TRAP_GROUP_GENERIC_ID_BFD, 964 DEVLINK_TRAP_GROUP_GENERIC_ID_OSPF, 965 DEVLINK_TRAP_GROUP_GENERIC_ID_BGP, 966 DEVLINK_TRAP_GROUP_GENERIC_ID_VRRP, 967 DEVLINK_TRAP_GROUP_GENERIC_ID_PIM, 968 DEVLINK_TRAP_GROUP_GENERIC_ID_UC_LB, 969 DEVLINK_TRAP_GROUP_GENERIC_ID_LOCAL_DELIVERY, 970 DEVLINK_TRAP_GROUP_GENERIC_ID_EXTERNAL_DELIVERY, 971 DEVLINK_TRAP_GROUP_GENERIC_ID_IPV6, 972 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_EVENT, 973 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_GENERAL, 974 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_SAMPLE, 975 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_TRAP, 976 DEVLINK_TRAP_GROUP_GENERIC_ID_PARSER_ERROR_DROPS, 977 DEVLINK_TRAP_GROUP_GENERIC_ID_EAPOL, 978 979 /* Add new generic trap group IDs above */ 980 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX, 981 DEVLINK_TRAP_GROUP_GENERIC_ID_MAX = 982 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX - 1, 983 }; 984 985 #define DEVLINK_TRAP_GENERIC_NAME_SMAC_MC \ 986 "source_mac_is_multicast" 987 #define DEVLINK_TRAP_GENERIC_NAME_VLAN_TAG_MISMATCH \ 988 "vlan_tag_mismatch" 989 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_VLAN_FILTER \ 990 "ingress_vlan_filter" 991 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_STP_FILTER \ 992 "ingress_spanning_tree_filter" 993 #define DEVLINK_TRAP_GENERIC_NAME_EMPTY_TX_LIST \ 994 "port_list_is_empty" 995 #define DEVLINK_TRAP_GENERIC_NAME_PORT_LOOPBACK_FILTER \ 996 "port_loopback_filter" 997 #define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_ROUTE \ 998 "blackhole_route" 999 #define DEVLINK_TRAP_GENERIC_NAME_TTL_ERROR \ 1000 "ttl_value_is_too_small" 1001 #define DEVLINK_TRAP_GENERIC_NAME_TAIL_DROP \ 1002 "tail_drop" 1003 #define DEVLINK_TRAP_GENERIC_NAME_NON_IP_PACKET \ 1004 "non_ip" 1005 #define DEVLINK_TRAP_GENERIC_NAME_UC_DIP_MC_DMAC \ 1006 "uc_dip_over_mc_dmac" 1007 #define DEVLINK_TRAP_GENERIC_NAME_DIP_LB \ 1008 "dip_is_loopback_address" 1009 #define DEVLINK_TRAP_GENERIC_NAME_SIP_MC \ 1010 "sip_is_mc" 1011 #define DEVLINK_TRAP_GENERIC_NAME_SIP_LB \ 1012 "sip_is_loopback_address" 1013 #define DEVLINK_TRAP_GENERIC_NAME_CORRUPTED_IP_HDR \ 1014 "ip_header_corrupted" 1015 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_SIP_BC \ 1016 "ipv4_sip_is_limited_bc" 1017 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_RESERVED_SCOPE \ 1018 "ipv6_mc_dip_reserved_scope" 1019 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE \ 1020 "ipv6_mc_dip_interface_local_scope" 1021 #define DEVLINK_TRAP_GENERIC_NAME_MTU_ERROR \ 1022 "mtu_value_is_too_small" 1023 #define DEVLINK_TRAP_GENERIC_NAME_UNRESOLVED_NEIGH \ 1024 "unresolved_neigh" 1025 #define DEVLINK_TRAP_GENERIC_NAME_RPF \ 1026 "mc_reverse_path_forwarding" 1027 #define DEVLINK_TRAP_GENERIC_NAME_REJECT_ROUTE \ 1028 "reject_route" 1029 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_LPM_UNICAST_MISS \ 1030 "ipv4_lpm_miss" 1031 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_LPM_UNICAST_MISS \ 1032 "ipv6_lpm_miss" 1033 #define DEVLINK_TRAP_GENERIC_NAME_NON_ROUTABLE \ 1034 "non_routable_packet" 1035 #define DEVLINK_TRAP_GENERIC_NAME_DECAP_ERROR \ 1036 "decap_error" 1037 #define DEVLINK_TRAP_GENERIC_NAME_OVERLAY_SMAC_MC \ 1038 "overlay_smac_is_mc" 1039 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_FLOW_ACTION_DROP \ 1040 "ingress_flow_action_drop" 1041 #define DEVLINK_TRAP_GENERIC_NAME_EGRESS_FLOW_ACTION_DROP \ 1042 "egress_flow_action_drop" 1043 #define DEVLINK_TRAP_GENERIC_NAME_STP \ 1044 "stp" 1045 #define DEVLINK_TRAP_GENERIC_NAME_LACP \ 1046 "lacp" 1047 #define DEVLINK_TRAP_GENERIC_NAME_LLDP \ 1048 "lldp" 1049 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_QUERY \ 1050 "igmp_query" 1051 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V1_REPORT \ 1052 "igmp_v1_report" 1053 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_REPORT \ 1054 "igmp_v2_report" 1055 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V3_REPORT \ 1056 "igmp_v3_report" 1057 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_LEAVE \ 1058 "igmp_v2_leave" 1059 #define DEVLINK_TRAP_GENERIC_NAME_MLD_QUERY \ 1060 "mld_query" 1061 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_REPORT \ 1062 "mld_v1_report" 1063 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V2_REPORT \ 1064 "mld_v2_report" 1065 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_DONE \ 1066 "mld_v1_done" 1067 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_DHCP \ 1068 "ipv4_dhcp" 1069 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DHCP \ 1070 "ipv6_dhcp" 1071 #define DEVLINK_TRAP_GENERIC_NAME_ARP_REQUEST \ 1072 "arp_request" 1073 #define DEVLINK_TRAP_GENERIC_NAME_ARP_RESPONSE \ 1074 "arp_response" 1075 #define DEVLINK_TRAP_GENERIC_NAME_ARP_OVERLAY \ 1076 "arp_overlay" 1077 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_SOLICIT \ 1078 "ipv6_neigh_solicit" 1079 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_ADVERT \ 1080 "ipv6_neigh_advert" 1081 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_BFD \ 1082 "ipv4_bfd" 1083 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_BFD \ 1084 "ipv6_bfd" 1085 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_OSPF \ 1086 "ipv4_ospf" 1087 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_OSPF \ 1088 "ipv6_ospf" 1089 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_BGP \ 1090 "ipv4_bgp" 1091 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_BGP \ 1092 "ipv6_bgp" 1093 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_VRRP \ 1094 "ipv4_vrrp" 1095 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_VRRP \ 1096 "ipv6_vrrp" 1097 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_PIM \ 1098 "ipv4_pim" 1099 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_PIM \ 1100 "ipv6_pim" 1101 #define DEVLINK_TRAP_GENERIC_NAME_UC_LB \ 1102 "uc_loopback" 1103 #define DEVLINK_TRAP_GENERIC_NAME_LOCAL_ROUTE \ 1104 "local_route" 1105 #define DEVLINK_TRAP_GENERIC_NAME_EXTERNAL_ROUTE \ 1106 "external_route" 1107 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_UC_DIP_LINK_LOCAL_SCOPE \ 1108 "ipv6_uc_dip_link_local_scope" 1109 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_NODES \ 1110 "ipv6_dip_all_nodes" 1111 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_ROUTERS \ 1112 "ipv6_dip_all_routers" 1113 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_SOLICIT \ 1114 "ipv6_router_solicit" 1115 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ADVERT \ 1116 "ipv6_router_advert" 1117 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_REDIRECT \ 1118 "ipv6_redirect" 1119 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_ROUTER_ALERT \ 1120 "ipv4_router_alert" 1121 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ALERT \ 1122 "ipv6_router_alert" 1123 #define DEVLINK_TRAP_GENERIC_NAME_PTP_EVENT \ 1124 "ptp_event" 1125 #define DEVLINK_TRAP_GENERIC_NAME_PTP_GENERAL \ 1126 "ptp_general" 1127 #define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_SAMPLE \ 1128 "flow_action_sample" 1129 #define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_TRAP \ 1130 "flow_action_trap" 1131 #define DEVLINK_TRAP_GENERIC_NAME_EARLY_DROP \ 1132 "early_drop" 1133 #define DEVLINK_TRAP_GENERIC_NAME_VXLAN_PARSING \ 1134 "vxlan_parsing" 1135 #define DEVLINK_TRAP_GENERIC_NAME_LLC_SNAP_PARSING \ 1136 "llc_snap_parsing" 1137 #define DEVLINK_TRAP_GENERIC_NAME_VLAN_PARSING \ 1138 "vlan_parsing" 1139 #define DEVLINK_TRAP_GENERIC_NAME_PPPOE_PPP_PARSING \ 1140 "pppoe_ppp_parsing" 1141 #define DEVLINK_TRAP_GENERIC_NAME_MPLS_PARSING \ 1142 "mpls_parsing" 1143 #define DEVLINK_TRAP_GENERIC_NAME_ARP_PARSING \ 1144 "arp_parsing" 1145 #define DEVLINK_TRAP_GENERIC_NAME_IP_1_PARSING \ 1146 "ip_1_parsing" 1147 #define DEVLINK_TRAP_GENERIC_NAME_IP_N_PARSING \ 1148 "ip_n_parsing" 1149 #define DEVLINK_TRAP_GENERIC_NAME_GRE_PARSING \ 1150 "gre_parsing" 1151 #define DEVLINK_TRAP_GENERIC_NAME_UDP_PARSING \ 1152 "udp_parsing" 1153 #define DEVLINK_TRAP_GENERIC_NAME_TCP_PARSING \ 1154 "tcp_parsing" 1155 #define DEVLINK_TRAP_GENERIC_NAME_IPSEC_PARSING \ 1156 "ipsec_parsing" 1157 #define DEVLINK_TRAP_GENERIC_NAME_SCTP_PARSING \ 1158 "sctp_parsing" 1159 #define DEVLINK_TRAP_GENERIC_NAME_DCCP_PARSING \ 1160 "dccp_parsing" 1161 #define DEVLINK_TRAP_GENERIC_NAME_GTP_PARSING \ 1162 "gtp_parsing" 1163 #define DEVLINK_TRAP_GENERIC_NAME_ESP_PARSING \ 1164 "esp_parsing" 1165 #define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_NEXTHOP \ 1166 "blackhole_nexthop" 1167 #define DEVLINK_TRAP_GENERIC_NAME_DMAC_FILTER \ 1168 "dmac_filter" 1169 #define DEVLINK_TRAP_GENERIC_NAME_EAPOL \ 1170 "eapol" 1171 #define DEVLINK_TRAP_GENERIC_NAME_LOCKED_PORT \ 1172 "locked_port" 1173 1174 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L2_DROPS \ 1175 "l2_drops" 1176 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_DROPS \ 1177 "l3_drops" 1178 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_EXCEPTIONS \ 1179 "l3_exceptions" 1180 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BUFFER_DROPS \ 1181 "buffer_drops" 1182 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_TUNNEL_DROPS \ 1183 "tunnel_drops" 1184 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_DROPS \ 1185 "acl_drops" 1186 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_STP \ 1187 "stp" 1188 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LACP \ 1189 "lacp" 1190 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LLDP \ 1191 "lldp" 1192 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_MC_SNOOPING \ 1193 "mc_snooping" 1194 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_DHCP \ 1195 "dhcp" 1196 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_NEIGH_DISCOVERY \ 1197 "neigh_discovery" 1198 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BFD \ 1199 "bfd" 1200 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_OSPF \ 1201 "ospf" 1202 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BGP \ 1203 "bgp" 1204 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_VRRP \ 1205 "vrrp" 1206 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PIM \ 1207 "pim" 1208 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_UC_LB \ 1209 "uc_loopback" 1210 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LOCAL_DELIVERY \ 1211 "local_delivery" 1212 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_EXTERNAL_DELIVERY \ 1213 "external_delivery" 1214 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_IPV6 \ 1215 "ipv6" 1216 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_EVENT \ 1217 "ptp_event" 1218 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_GENERAL \ 1219 "ptp_general" 1220 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_SAMPLE \ 1221 "acl_sample" 1222 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_TRAP \ 1223 "acl_trap" 1224 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PARSER_ERROR_DROPS \ 1225 "parser_error_drops" 1226 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_EAPOL \ 1227 "eapol" 1228 1229 #define DEVLINK_TRAP_GENERIC(_type, _init_action, _id, _group_id, \ 1230 _metadata_cap) \ 1231 { \ 1232 .type = DEVLINK_TRAP_TYPE_##_type, \ 1233 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \ 1234 .generic = true, \ 1235 .id = DEVLINK_TRAP_GENERIC_ID_##_id, \ 1236 .name = DEVLINK_TRAP_GENERIC_NAME_##_id, \ 1237 .init_group_id = _group_id, \ 1238 .metadata_cap = _metadata_cap, \ 1239 } 1240 1241 #define DEVLINK_TRAP_DRIVER(_type, _init_action, _id, _name, _group_id, \ 1242 _metadata_cap) \ 1243 { \ 1244 .type = DEVLINK_TRAP_TYPE_##_type, \ 1245 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \ 1246 .generic = false, \ 1247 .id = _id, \ 1248 .name = _name, \ 1249 .init_group_id = _group_id, \ 1250 .metadata_cap = _metadata_cap, \ 1251 } 1252 1253 #define DEVLINK_TRAP_GROUP_GENERIC(_id, _policer_id) \ 1254 { \ 1255 .name = DEVLINK_TRAP_GROUP_GENERIC_NAME_##_id, \ 1256 .id = DEVLINK_TRAP_GROUP_GENERIC_ID_##_id, \ 1257 .generic = true, \ 1258 .init_policer_id = _policer_id, \ 1259 } 1260 1261 #define DEVLINK_TRAP_POLICER(_id, _rate, _burst, _max_rate, _min_rate, \ 1262 _max_burst, _min_burst) \ 1263 { \ 1264 .id = _id, \ 1265 .init_rate = _rate, \ 1266 .init_burst = _burst, \ 1267 .max_rate = _max_rate, \ 1268 .min_rate = _min_rate, \ 1269 .max_burst = _max_burst, \ 1270 .min_burst = _min_burst, \ 1271 } 1272 1273 #define devlink_fmsg_put(fmsg, name, value) ( \ 1274 _Generic((value), \ 1275 bool : devlink_fmsg_bool_pair_put, \ 1276 u8 : devlink_fmsg_u8_pair_put, \ 1277 u16 : devlink_fmsg_u32_pair_put, \ 1278 u32 : devlink_fmsg_u32_pair_put, \ 1279 u64 : devlink_fmsg_u64_pair_put, \ 1280 int : devlink_fmsg_u32_pair_put, \ 1281 char * : devlink_fmsg_string_pair_put, \ 1282 const char * : devlink_fmsg_string_pair_put) \ 1283 (fmsg, name, (value))) 1284 1285 enum { 1286 /* device supports reload operations */ 1287 DEVLINK_F_RELOAD = 1UL << 0, 1288 }; 1289 1290 struct devlink_ops { 1291 /** 1292 * @supported_flash_update_params: 1293 * mask of parameters supported by the driver's .flash_update 1294 * implementation. 1295 */ 1296 u32 supported_flash_update_params; 1297 unsigned long reload_actions; 1298 unsigned long reload_limits; 1299 int (*reload_down)(struct devlink *devlink, bool netns_change, 1300 enum devlink_reload_action action, 1301 enum devlink_reload_limit limit, 1302 struct netlink_ext_ack *extack); 1303 int (*reload_up)(struct devlink *devlink, enum devlink_reload_action action, 1304 enum devlink_reload_limit limit, u32 *actions_performed, 1305 struct netlink_ext_ack *extack); 1306 int (*sb_pool_get)(struct devlink *devlink, unsigned int sb_index, 1307 u16 pool_index, 1308 struct devlink_sb_pool_info *pool_info); 1309 int (*sb_pool_set)(struct devlink *devlink, unsigned int sb_index, 1310 u16 pool_index, u32 size, 1311 enum devlink_sb_threshold_type threshold_type, 1312 struct netlink_ext_ack *extack); 1313 int (*sb_port_pool_get)(struct devlink_port *devlink_port, 1314 unsigned int sb_index, u16 pool_index, 1315 u32 *p_threshold); 1316 int (*sb_port_pool_set)(struct devlink_port *devlink_port, 1317 unsigned int sb_index, u16 pool_index, 1318 u32 threshold, struct netlink_ext_ack *extack); 1319 int (*sb_tc_pool_bind_get)(struct devlink_port *devlink_port, 1320 unsigned int sb_index, 1321 u16 tc_index, 1322 enum devlink_sb_pool_type pool_type, 1323 u16 *p_pool_index, u32 *p_threshold); 1324 int (*sb_tc_pool_bind_set)(struct devlink_port *devlink_port, 1325 unsigned int sb_index, 1326 u16 tc_index, 1327 enum devlink_sb_pool_type pool_type, 1328 u16 pool_index, u32 threshold, 1329 struct netlink_ext_ack *extack); 1330 int (*sb_occ_snapshot)(struct devlink *devlink, 1331 unsigned int sb_index); 1332 int (*sb_occ_max_clear)(struct devlink *devlink, 1333 unsigned int sb_index); 1334 int (*sb_occ_port_pool_get)(struct devlink_port *devlink_port, 1335 unsigned int sb_index, u16 pool_index, 1336 u32 *p_cur, u32 *p_max); 1337 int (*sb_occ_tc_port_bind_get)(struct devlink_port *devlink_port, 1338 unsigned int sb_index, 1339 u16 tc_index, 1340 enum devlink_sb_pool_type pool_type, 1341 u32 *p_cur, u32 *p_max); 1342 1343 int (*eswitch_mode_get)(struct devlink *devlink, u16 *p_mode); 1344 int (*eswitch_mode_set)(struct devlink *devlink, u16 mode, 1345 struct netlink_ext_ack *extack); 1346 int (*eswitch_inline_mode_get)(struct devlink *devlink, u8 *p_inline_mode); 1347 int (*eswitch_inline_mode_set)(struct devlink *devlink, u8 inline_mode, 1348 struct netlink_ext_ack *extack); 1349 int (*eswitch_encap_mode_get)(struct devlink *devlink, 1350 enum devlink_eswitch_encap_mode *p_encap_mode); 1351 int (*eswitch_encap_mode_set)(struct devlink *devlink, 1352 enum devlink_eswitch_encap_mode encap_mode, 1353 struct netlink_ext_ack *extack); 1354 int (*info_get)(struct devlink *devlink, struct devlink_info_req *req, 1355 struct netlink_ext_ack *extack); 1356 /** 1357 * @flash_update: Device flash update function 1358 * 1359 * Used to perform a flash update for the device. The set of 1360 * parameters supported by the driver should be set in 1361 * supported_flash_update_params. 1362 */ 1363 int (*flash_update)(struct devlink *devlink, 1364 struct devlink_flash_update_params *params, 1365 struct netlink_ext_ack *extack); 1366 /** 1367 * @trap_init: Trap initialization function. 1368 * 1369 * Should be used by device drivers to initialize the trap in the 1370 * underlying device. Drivers should also store the provided trap 1371 * context, so that they could efficiently pass it to 1372 * devlink_trap_report() when the trap is triggered. 1373 */ 1374 int (*trap_init)(struct devlink *devlink, 1375 const struct devlink_trap *trap, void *trap_ctx); 1376 /** 1377 * @trap_fini: Trap de-initialization function. 1378 * 1379 * Should be used by device drivers to de-initialize the trap in the 1380 * underlying device. 1381 */ 1382 void (*trap_fini)(struct devlink *devlink, 1383 const struct devlink_trap *trap, void *trap_ctx); 1384 /** 1385 * @trap_action_set: Trap action set function. 1386 */ 1387 int (*trap_action_set)(struct devlink *devlink, 1388 const struct devlink_trap *trap, 1389 enum devlink_trap_action action, 1390 struct netlink_ext_ack *extack); 1391 /** 1392 * @trap_group_init: Trap group initialization function. 1393 * 1394 * Should be used by device drivers to initialize the trap group in the 1395 * underlying device. 1396 */ 1397 int (*trap_group_init)(struct devlink *devlink, 1398 const struct devlink_trap_group *group); 1399 /** 1400 * @trap_group_set: Trap group parameters set function. 1401 * 1402 * Note: @policer can be NULL when a policer is being unbound from 1403 * @group. 1404 */ 1405 int (*trap_group_set)(struct devlink *devlink, 1406 const struct devlink_trap_group *group, 1407 const struct devlink_trap_policer *policer, 1408 struct netlink_ext_ack *extack); 1409 /** 1410 * @trap_group_action_set: Trap group action set function. 1411 * 1412 * If this callback is populated, it will take precedence over looping 1413 * over all traps in a group and calling .trap_action_set(). 1414 */ 1415 int (*trap_group_action_set)(struct devlink *devlink, 1416 const struct devlink_trap_group *group, 1417 enum devlink_trap_action action, 1418 struct netlink_ext_ack *extack); 1419 /** 1420 * @trap_drop_counter_get: Trap drop counter get function. 1421 * 1422 * Should be used by device drivers to report number of packets 1423 * that have been dropped, and cannot be passed to the devlink 1424 * subsystem by the underlying device. 1425 */ 1426 int (*trap_drop_counter_get)(struct devlink *devlink, 1427 const struct devlink_trap *trap, 1428 u64 *p_drops); 1429 /** 1430 * @trap_policer_init: Trap policer initialization function. 1431 * 1432 * Should be used by device drivers to initialize the trap policer in 1433 * the underlying device. 1434 */ 1435 int (*trap_policer_init)(struct devlink *devlink, 1436 const struct devlink_trap_policer *policer); 1437 /** 1438 * @trap_policer_fini: Trap policer de-initialization function. 1439 * 1440 * Should be used by device drivers to de-initialize the trap policer 1441 * in the underlying device. 1442 */ 1443 void (*trap_policer_fini)(struct devlink *devlink, 1444 const struct devlink_trap_policer *policer); 1445 /** 1446 * @trap_policer_set: Trap policer parameters set function. 1447 */ 1448 int (*trap_policer_set)(struct devlink *devlink, 1449 const struct devlink_trap_policer *policer, 1450 u64 rate, u64 burst, 1451 struct netlink_ext_ack *extack); 1452 /** 1453 * @trap_policer_counter_get: Trap policer counter get function. 1454 * 1455 * Should be used by device drivers to report number of packets dropped 1456 * by the policer. 1457 */ 1458 int (*trap_policer_counter_get)(struct devlink *devlink, 1459 const struct devlink_trap_policer *policer, 1460 u64 *p_drops); 1461 /** 1462 * port_new() - Add a new port function of a specified flavor 1463 * @devlink: Devlink instance 1464 * @attrs: attributes of the new port 1465 * @extack: extack for reporting error messages 1466 * @devlink_port: pointer to store new devlink port pointer 1467 * 1468 * Devlink core will call this device driver function upon user request 1469 * to create a new port function of a specified flavor and optional 1470 * attributes 1471 * 1472 * Notes: 1473 * - On success, drivers must register a port with devlink core 1474 * 1475 * Return: 0 on success, negative value otherwise. 1476 */ 1477 int (*port_new)(struct devlink *devlink, 1478 const struct devlink_port_new_attrs *attrs, 1479 struct netlink_ext_ack *extack, 1480 struct devlink_port **devlink_port); 1481 1482 /** 1483 * Rate control callbacks. 1484 */ 1485 int (*rate_leaf_tx_share_set)(struct devlink_rate *devlink_rate, void *priv, 1486 u64 tx_share, struct netlink_ext_ack *extack); 1487 int (*rate_leaf_tx_max_set)(struct devlink_rate *devlink_rate, void *priv, 1488 u64 tx_max, struct netlink_ext_ack *extack); 1489 int (*rate_leaf_tx_priority_set)(struct devlink_rate *devlink_rate, void *priv, 1490 u32 tx_priority, struct netlink_ext_ack *extack); 1491 int (*rate_leaf_tx_weight_set)(struct devlink_rate *devlink_rate, void *priv, 1492 u32 tx_weight, struct netlink_ext_ack *extack); 1493 int (*rate_leaf_tc_bw_set)(struct devlink_rate *devlink_rate, 1494 void *priv, u32 *tc_bw, 1495 struct netlink_ext_ack *extack); 1496 int (*rate_node_tx_share_set)(struct devlink_rate *devlink_rate, void *priv, 1497 u64 tx_share, struct netlink_ext_ack *extack); 1498 int (*rate_node_tx_max_set)(struct devlink_rate *devlink_rate, void *priv, 1499 u64 tx_max, struct netlink_ext_ack *extack); 1500 int (*rate_node_tx_priority_set)(struct devlink_rate *devlink_rate, void *priv, 1501 u32 tx_priority, struct netlink_ext_ack *extack); 1502 int (*rate_node_tx_weight_set)(struct devlink_rate *devlink_rate, void *priv, 1503 u32 tx_weight, struct netlink_ext_ack *extack); 1504 int (*rate_node_tc_bw_set)(struct devlink_rate *devlink_rate, 1505 void *priv, u32 *tc_bw, 1506 struct netlink_ext_ack *extack); 1507 int (*rate_node_new)(struct devlink_rate *rate_node, void **priv, 1508 struct netlink_ext_ack *extack); 1509 int (*rate_node_del)(struct devlink_rate *rate_node, void *priv, 1510 struct netlink_ext_ack *extack); 1511 int (*rate_leaf_parent_set)(struct devlink_rate *child, 1512 struct devlink_rate *parent, 1513 void *priv_child, void *priv_parent, 1514 struct netlink_ext_ack *extack); 1515 int (*rate_node_parent_set)(struct devlink_rate *child, 1516 struct devlink_rate *parent, 1517 void *priv_child, void *priv_parent, 1518 struct netlink_ext_ack *extack); 1519 /** 1520 * selftests_check() - queries if selftest is supported 1521 * @devlink: devlink instance 1522 * @id: test index 1523 * @extack: extack for reporting error messages 1524 * 1525 * Return: true if test is supported by the driver 1526 */ 1527 bool (*selftest_check)(struct devlink *devlink, unsigned int id, 1528 struct netlink_ext_ack *extack); 1529 /** 1530 * selftest_run() - Runs a selftest 1531 * @devlink: devlink instance 1532 * @id: test index 1533 * @extack: extack for reporting error messages 1534 * 1535 * Return: status of the test 1536 */ 1537 enum devlink_selftest_status 1538 (*selftest_run)(struct devlink *devlink, unsigned int id, 1539 struct netlink_ext_ack *extack); 1540 }; 1541 1542 void *devlink_priv(struct devlink *devlink); 1543 struct devlink *priv_to_devlink(void *priv); 1544 struct device *devlink_to_dev(const struct devlink *devlink); 1545 1546 /* Devlink instance explicit locking */ 1547 void devl_lock(struct devlink *devlink); 1548 int devl_trylock(struct devlink *devlink); 1549 void devl_unlock(struct devlink *devlink); 1550 void devl_assert_locked(struct devlink *devlink); 1551 bool devl_lock_is_held(struct devlink *devlink); 1552 DEFINE_GUARD(devl, struct devlink *, devl_lock(_T), devl_unlock(_T)); 1553 1554 struct ib_device; 1555 1556 struct net *devlink_net(const struct devlink *devlink); 1557 /* This call is intended for software devices that can create 1558 * devlink instances in other namespaces than init_net. 1559 * 1560 * Drivers that operate on real HW must use devlink_alloc() instead. 1561 */ 1562 struct devlink *devlink_alloc_ns(const struct devlink_ops *ops, 1563 size_t priv_size, struct net *net, 1564 struct device *dev); 1565 static inline struct devlink *devlink_alloc(const struct devlink_ops *ops, 1566 size_t priv_size, 1567 struct device *dev) 1568 { 1569 return devlink_alloc_ns(ops, priv_size, &init_net, dev); 1570 } 1571 1572 int devl_register(struct devlink *devlink); 1573 void devl_unregister(struct devlink *devlink); 1574 void devlink_register(struct devlink *devlink); 1575 void devlink_unregister(struct devlink *devlink); 1576 void devlink_free(struct devlink *devlink); 1577 1578 /** 1579 * struct devlink_port_ops - Port operations 1580 * @port_split: Callback used to split the port into multiple ones. 1581 * @port_unsplit: Callback used to unsplit the port group back into 1582 * a single port. 1583 * @port_type_set: Callback used to set a type of a port. 1584 * @port_del: Callback used to delete selected port along with related function. 1585 * Devlink core calls this upon user request to delete 1586 * a port previously created by devlink_ops->port_new(). 1587 * @port_fn_hw_addr_get: Callback used to set port function's hardware address. 1588 * Should be used by device drivers to report 1589 * the hardware address of a function managed 1590 * by the devlink port. 1591 * @port_fn_hw_addr_set: Callback used to set port function's hardware address. 1592 * Should be used by device drivers to set the hardware 1593 * address of a function managed by the devlink port. 1594 * @port_fn_roce_get: Callback used to get port function's RoCE capability. 1595 * Should be used by device drivers to report 1596 * the current state of RoCE capability of a function 1597 * managed by the devlink port. 1598 * @port_fn_roce_set: Callback used to set port function's RoCE capability. 1599 * Should be used by device drivers to enable/disable 1600 * RoCE capability of a function managed 1601 * by the devlink port. 1602 * @port_fn_migratable_get: Callback used to get port function's migratable 1603 * capability. Should be used by device drivers 1604 * to report the current state of migratable capability 1605 * of a function managed by the devlink port. 1606 * @port_fn_migratable_set: Callback used to set port function's migratable 1607 * capability. Should be used by device drivers 1608 * to enable/disable migratable capability of 1609 * a function managed by the devlink port. 1610 * @port_fn_state_get: Callback used to get port function's state. 1611 * Should be used by device drivers to report 1612 * the current admin and operational state of a 1613 * function managed by the devlink port. 1614 * @port_fn_state_set: Callback used to get port function's state. 1615 * Should be used by device drivers set 1616 * the admin state of a function managed 1617 * by the devlink port. 1618 * @port_fn_ipsec_crypto_get: Callback used to get port function's ipsec_crypto 1619 * capability. Should be used by device drivers 1620 * to report the current state of ipsec_crypto 1621 * capability of a function managed by the devlink 1622 * port. 1623 * @port_fn_ipsec_crypto_set: Callback used to set port function's ipsec_crypto 1624 * capability. Should be used by device drivers to 1625 * enable/disable ipsec_crypto capability of a 1626 * function managed by the devlink port. 1627 * @port_fn_ipsec_packet_get: Callback used to get port function's ipsec_packet 1628 * capability. Should be used by device drivers 1629 * to report the current state of ipsec_packet 1630 * capability of a function managed by the devlink 1631 * port. 1632 * @port_fn_ipsec_packet_set: Callback used to set port function's ipsec_packet 1633 * capability. Should be used by device drivers to 1634 * enable/disable ipsec_packet capability of a 1635 * function managed by the devlink port. 1636 * @port_fn_max_io_eqs_get: Callback used to get port function's maximum number 1637 * of event queues. Should be used by device drivers to 1638 * report the maximum event queues of a function 1639 * managed by the devlink port. 1640 * @port_fn_max_io_eqs_set: Callback used to set port function's maximum number 1641 * of event queues. Should be used by device drivers to 1642 * configure maximum number of event queues 1643 * of a function managed by the devlink port. 1644 * 1645 * Note: Driver should return -EOPNOTSUPP if it doesn't support 1646 * port function (@port_fn_*) handling for a particular port. 1647 */ 1648 struct devlink_port_ops { 1649 int (*port_split)(struct devlink *devlink, struct devlink_port *port, 1650 unsigned int count, struct netlink_ext_ack *extack); 1651 int (*port_unsplit)(struct devlink *devlink, struct devlink_port *port, 1652 struct netlink_ext_ack *extack); 1653 int (*port_type_set)(struct devlink_port *devlink_port, 1654 enum devlink_port_type port_type); 1655 int (*port_del)(struct devlink *devlink, struct devlink_port *port, 1656 struct netlink_ext_ack *extack); 1657 int (*port_fn_hw_addr_get)(struct devlink_port *port, u8 *hw_addr, 1658 int *hw_addr_len, 1659 struct netlink_ext_ack *extack); 1660 int (*port_fn_hw_addr_set)(struct devlink_port *port, 1661 const u8 *hw_addr, int hw_addr_len, 1662 struct netlink_ext_ack *extack); 1663 int (*port_fn_roce_get)(struct devlink_port *devlink_port, 1664 bool *is_enable, 1665 struct netlink_ext_ack *extack); 1666 int (*port_fn_roce_set)(struct devlink_port *devlink_port, 1667 bool enable, struct netlink_ext_ack *extack); 1668 int (*port_fn_migratable_get)(struct devlink_port *devlink_port, 1669 bool *is_enable, 1670 struct netlink_ext_ack *extack); 1671 int (*port_fn_migratable_set)(struct devlink_port *devlink_port, 1672 bool enable, 1673 struct netlink_ext_ack *extack); 1674 int (*port_fn_state_get)(struct devlink_port *port, 1675 enum devlink_port_fn_state *state, 1676 enum devlink_port_fn_opstate *opstate, 1677 struct netlink_ext_ack *extack); 1678 int (*port_fn_state_set)(struct devlink_port *port, 1679 enum devlink_port_fn_state state, 1680 struct netlink_ext_ack *extack); 1681 int (*port_fn_ipsec_crypto_get)(struct devlink_port *devlink_port, 1682 bool *is_enable, 1683 struct netlink_ext_ack *extack); 1684 int (*port_fn_ipsec_crypto_set)(struct devlink_port *devlink_port, 1685 bool enable, 1686 struct netlink_ext_ack *extack); 1687 int (*port_fn_ipsec_packet_get)(struct devlink_port *devlink_port, 1688 bool *is_enable, 1689 struct netlink_ext_ack *extack); 1690 int (*port_fn_ipsec_packet_set)(struct devlink_port *devlink_port, 1691 bool enable, 1692 struct netlink_ext_ack *extack); 1693 int (*port_fn_max_io_eqs_get)(struct devlink_port *devlink_port, 1694 u32 *max_eqs, 1695 struct netlink_ext_ack *extack); 1696 int (*port_fn_max_io_eqs_set)(struct devlink_port *devlink_port, 1697 u32 max_eqs, 1698 struct netlink_ext_ack *extack); 1699 }; 1700 1701 void devlink_port_init(struct devlink *devlink, 1702 struct devlink_port *devlink_port); 1703 void devlink_port_fini(struct devlink_port *devlink_port); 1704 1705 int devl_port_register_with_ops(struct devlink *devlink, 1706 struct devlink_port *devlink_port, 1707 unsigned int port_index, 1708 const struct devlink_port_ops *ops); 1709 1710 static inline int devl_port_register(struct devlink *devlink, 1711 struct devlink_port *devlink_port, 1712 unsigned int port_index) 1713 { 1714 return devl_port_register_with_ops(devlink, devlink_port, 1715 port_index, NULL); 1716 } 1717 1718 int devlink_port_register_with_ops(struct devlink *devlink, 1719 struct devlink_port *devlink_port, 1720 unsigned int port_index, 1721 const struct devlink_port_ops *ops); 1722 1723 static inline int devlink_port_register(struct devlink *devlink, 1724 struct devlink_port *devlink_port, 1725 unsigned int port_index) 1726 { 1727 return devlink_port_register_with_ops(devlink, devlink_port, 1728 port_index, NULL); 1729 } 1730 1731 void devl_port_unregister(struct devlink_port *devlink_port); 1732 void devlink_port_unregister(struct devlink_port *devlink_port); 1733 void devlink_port_type_eth_set(struct devlink_port *devlink_port); 1734 void devlink_port_type_ib_set(struct devlink_port *devlink_port, 1735 struct ib_device *ibdev); 1736 void devlink_port_type_clear(struct devlink_port *devlink_port); 1737 void devlink_port_attrs_set(struct devlink_port *devlink_port, 1738 struct devlink_port_attrs *devlink_port_attrs); 1739 void devlink_port_attrs_pci_pf_set(struct devlink_port *devlink_port, u32 controller, 1740 u16 pf, bool external); 1741 void devlink_port_attrs_pci_vf_set(struct devlink_port *devlink_port, u32 controller, 1742 u16 pf, u16 vf, bool external); 1743 void devlink_port_attrs_pci_sf_set(struct devlink_port *devlink_port, 1744 u32 controller, u16 pf, u32 sf, 1745 bool external); 1746 int devl_port_fn_devlink_set(struct devlink_port *devlink_port, 1747 struct devlink *fn_devlink); 1748 struct devlink_rate * 1749 devl_rate_node_create(struct devlink *devlink, void *priv, char *node_name, 1750 struct devlink_rate *parent); 1751 int 1752 devl_rate_leaf_create(struct devlink_port *devlink_port, void *priv, 1753 struct devlink_rate *parent); 1754 void devl_rate_leaf_destroy(struct devlink_port *devlink_port); 1755 void devl_rate_nodes_destroy(struct devlink *devlink); 1756 void devlink_port_linecard_set(struct devlink_port *devlink_port, 1757 struct devlink_linecard *linecard); 1758 struct devlink_linecard * 1759 devl_linecard_create(struct devlink *devlink, unsigned int linecard_index, 1760 const struct devlink_linecard_ops *ops, void *priv); 1761 void devl_linecard_destroy(struct devlink_linecard *linecard); 1762 void devlink_linecard_provision_set(struct devlink_linecard *linecard, 1763 const char *type); 1764 void devlink_linecard_provision_clear(struct devlink_linecard *linecard); 1765 void devlink_linecard_provision_fail(struct devlink_linecard *linecard); 1766 void devlink_linecard_activate(struct devlink_linecard *linecard); 1767 void devlink_linecard_deactivate(struct devlink_linecard *linecard); 1768 int devlink_linecard_nested_dl_set(struct devlink_linecard *linecard, 1769 struct devlink *nested_devlink); 1770 int devl_sb_register(struct devlink *devlink, unsigned int sb_index, 1771 u32 size, u16 ingress_pools_count, 1772 u16 egress_pools_count, u16 ingress_tc_count, 1773 u16 egress_tc_count); 1774 int devlink_sb_register(struct devlink *devlink, unsigned int sb_index, 1775 u32 size, u16 ingress_pools_count, 1776 u16 egress_pools_count, u16 ingress_tc_count, 1777 u16 egress_tc_count); 1778 void devl_sb_unregister(struct devlink *devlink, unsigned int sb_index); 1779 void devlink_sb_unregister(struct devlink *devlink, unsigned int sb_index); 1780 int devl_dpipe_table_register(struct devlink *devlink, 1781 const char *table_name, 1782 const struct devlink_dpipe_table_ops *table_ops, 1783 void *priv, bool counter_control_extern); 1784 void devl_dpipe_table_unregister(struct devlink *devlink, 1785 const char *table_name); 1786 void devl_dpipe_headers_register(struct devlink *devlink, 1787 struct devlink_dpipe_headers *dpipe_headers); 1788 void devl_dpipe_headers_unregister(struct devlink *devlink); 1789 bool devlink_dpipe_table_counter_enabled(struct devlink *devlink, 1790 const char *table_name); 1791 int devlink_dpipe_entry_ctx_prepare(struct devlink_dpipe_dump_ctx *dump_ctx); 1792 int devlink_dpipe_entry_ctx_append(struct devlink_dpipe_dump_ctx *dump_ctx, 1793 struct devlink_dpipe_entry *entry); 1794 int devlink_dpipe_entry_ctx_close(struct devlink_dpipe_dump_ctx *dump_ctx); 1795 void devlink_dpipe_entry_clear(struct devlink_dpipe_entry *entry); 1796 int devlink_dpipe_action_put(struct sk_buff *skb, 1797 struct devlink_dpipe_action *action); 1798 int devlink_dpipe_match_put(struct sk_buff *skb, 1799 struct devlink_dpipe_match *match); 1800 extern struct devlink_dpipe_header devlink_dpipe_header_ethernet; 1801 extern struct devlink_dpipe_header devlink_dpipe_header_ipv4; 1802 extern struct devlink_dpipe_header devlink_dpipe_header_ipv6; 1803 1804 int devl_resource_register(struct devlink *devlink, 1805 const char *resource_name, 1806 u64 resource_size, 1807 u64 resource_id, 1808 u64 parent_resource_id, 1809 const struct devlink_resource_size_params *size_params); 1810 void devl_resources_unregister(struct devlink *devlink); 1811 void devlink_resources_unregister(struct devlink *devlink); 1812 int devl_resource_size_get(struct devlink *devlink, 1813 u64 resource_id, 1814 u64 *p_resource_size); 1815 int devl_dpipe_table_resource_set(struct devlink *devlink, 1816 const char *table_name, u64 resource_id, 1817 u64 resource_units); 1818 void devl_resource_occ_get_register(struct devlink *devlink, 1819 u64 resource_id, 1820 devlink_resource_occ_get_t *occ_get, 1821 void *occ_get_priv); 1822 void devl_resource_occ_get_unregister(struct devlink *devlink, 1823 u64 resource_id); 1824 int devl_params_register(struct devlink *devlink, 1825 const struct devlink_param *params, 1826 size_t params_count); 1827 int devlink_params_register(struct devlink *devlink, 1828 const struct devlink_param *params, 1829 size_t params_count); 1830 void devl_params_unregister(struct devlink *devlink, 1831 const struct devlink_param *params, 1832 size_t params_count); 1833 void devlink_params_unregister(struct devlink *devlink, 1834 const struct devlink_param *params, 1835 size_t params_count); 1836 int devl_param_driverinit_value_get(struct devlink *devlink, u32 param_id, 1837 union devlink_param_value *val); 1838 void devl_param_driverinit_value_set(struct devlink *devlink, u32 param_id, 1839 union devlink_param_value init_val); 1840 void devl_param_value_changed(struct devlink *devlink, u32 param_id); 1841 struct devlink_region *devl_region_create(struct devlink *devlink, 1842 const struct devlink_region_ops *ops, 1843 u32 region_max_snapshots, 1844 u64 region_size); 1845 struct devlink_region * 1846 devlink_region_create(struct devlink *devlink, 1847 const struct devlink_region_ops *ops, 1848 u32 region_max_snapshots, u64 region_size); 1849 struct devlink_region * 1850 devlink_port_region_create(struct devlink_port *port, 1851 const struct devlink_port_region_ops *ops, 1852 u32 region_max_snapshots, u64 region_size); 1853 void devl_region_destroy(struct devlink_region *region); 1854 void devlink_region_destroy(struct devlink_region *region); 1855 int devlink_region_snapshot_id_get(struct devlink *devlink, u32 *id); 1856 void devlink_region_snapshot_id_put(struct devlink *devlink, u32 id); 1857 int devlink_region_snapshot_create(struct devlink_region *region, 1858 u8 *data, u32 snapshot_id); 1859 int devlink_info_serial_number_put(struct devlink_info_req *req, 1860 const char *sn); 1861 int devlink_info_board_serial_number_put(struct devlink_info_req *req, 1862 const char *bsn); 1863 1864 enum devlink_info_version_type { 1865 DEVLINK_INFO_VERSION_TYPE_NONE, 1866 DEVLINK_INFO_VERSION_TYPE_COMPONENT, /* May be used as flash update 1867 * component by name. 1868 */ 1869 }; 1870 1871 int devlink_info_version_fixed_put(struct devlink_info_req *req, 1872 const char *version_name, 1873 const char *version_value); 1874 int devlink_info_version_stored_put(struct devlink_info_req *req, 1875 const char *version_name, 1876 const char *version_value); 1877 int devlink_info_version_stored_put_ext(struct devlink_info_req *req, 1878 const char *version_name, 1879 const char *version_value, 1880 enum devlink_info_version_type version_type); 1881 int devlink_info_version_running_put(struct devlink_info_req *req, 1882 const char *version_name, 1883 const char *version_value); 1884 int devlink_info_version_running_put_ext(struct devlink_info_req *req, 1885 const char *version_name, 1886 const char *version_value, 1887 enum devlink_info_version_type version_type); 1888 1889 void devlink_fmsg_obj_nest_start(struct devlink_fmsg *fmsg); 1890 void devlink_fmsg_obj_nest_end(struct devlink_fmsg *fmsg); 1891 1892 void devlink_fmsg_pair_nest_start(struct devlink_fmsg *fmsg, const char *name); 1893 void devlink_fmsg_pair_nest_end(struct devlink_fmsg *fmsg); 1894 1895 void devlink_fmsg_arr_pair_nest_start(struct devlink_fmsg *fmsg, 1896 const char *name); 1897 void devlink_fmsg_arr_pair_nest_end(struct devlink_fmsg *fmsg); 1898 void devlink_fmsg_binary_pair_nest_start(struct devlink_fmsg *fmsg, 1899 const char *name); 1900 void devlink_fmsg_binary_pair_nest_end(struct devlink_fmsg *fmsg); 1901 1902 void devlink_fmsg_u32_put(struct devlink_fmsg *fmsg, u32 value); 1903 void devlink_fmsg_string_put(struct devlink_fmsg *fmsg, const char *value); 1904 void devlink_fmsg_binary_put(struct devlink_fmsg *fmsg, const void *value, 1905 u16 value_len); 1906 1907 void devlink_fmsg_bool_pair_put(struct devlink_fmsg *fmsg, const char *name, 1908 bool value); 1909 void devlink_fmsg_u8_pair_put(struct devlink_fmsg *fmsg, const char *name, 1910 u8 value); 1911 void devlink_fmsg_u32_pair_put(struct devlink_fmsg *fmsg, const char *name, 1912 u32 value); 1913 void devlink_fmsg_u64_pair_put(struct devlink_fmsg *fmsg, const char *name, 1914 u64 value); 1915 void devlink_fmsg_string_pair_put(struct devlink_fmsg *fmsg, const char *name, 1916 const char *value); 1917 void devlink_fmsg_binary_pair_put(struct devlink_fmsg *fmsg, const char *name, 1918 const void *value, u32 value_len); 1919 1920 struct devlink_health_reporter * 1921 devl_port_health_reporter_create(struct devlink_port *port, 1922 const struct devlink_health_reporter_ops *ops, 1923 u64 graceful_period, void *priv); 1924 1925 struct devlink_health_reporter * 1926 devlink_port_health_reporter_create(struct devlink_port *port, 1927 const struct devlink_health_reporter_ops *ops, 1928 u64 graceful_period, void *priv); 1929 1930 struct devlink_health_reporter * 1931 devl_health_reporter_create(struct devlink *devlink, 1932 const struct devlink_health_reporter_ops *ops, 1933 u64 graceful_period, void *priv); 1934 1935 struct devlink_health_reporter * 1936 devlink_health_reporter_create(struct devlink *devlink, 1937 const struct devlink_health_reporter_ops *ops, 1938 u64 graceful_period, void *priv); 1939 1940 void 1941 devl_health_reporter_destroy(struct devlink_health_reporter *reporter); 1942 1943 void 1944 devlink_health_reporter_destroy(struct devlink_health_reporter *reporter); 1945 1946 void * 1947 devlink_health_reporter_priv(struct devlink_health_reporter *reporter); 1948 int devlink_health_report(struct devlink_health_reporter *reporter, 1949 const char *msg, void *priv_ctx); 1950 void 1951 devlink_health_reporter_state_update(struct devlink_health_reporter *reporter, 1952 enum devlink_health_reporter_state state); 1953 void 1954 devlink_health_reporter_recovery_done(struct devlink_health_reporter *reporter); 1955 1956 int devl_nested_devlink_set(struct devlink *devlink, 1957 struct devlink *nested_devlink); 1958 bool devlink_is_reload_failed(const struct devlink *devlink); 1959 void devlink_remote_reload_actions_performed(struct devlink *devlink, 1960 enum devlink_reload_limit limit, 1961 u32 actions_performed); 1962 1963 void devlink_flash_update_status_notify(struct devlink *devlink, 1964 const char *status_msg, 1965 const char *component, 1966 unsigned long done, 1967 unsigned long total); 1968 void devlink_flash_update_timeout_notify(struct devlink *devlink, 1969 const char *status_msg, 1970 const char *component, 1971 unsigned long timeout); 1972 1973 int devl_traps_register(struct devlink *devlink, 1974 const struct devlink_trap *traps, 1975 size_t traps_count, void *priv); 1976 int devlink_traps_register(struct devlink *devlink, 1977 const struct devlink_trap *traps, 1978 size_t traps_count, void *priv); 1979 void devl_traps_unregister(struct devlink *devlink, 1980 const struct devlink_trap *traps, 1981 size_t traps_count); 1982 void devlink_traps_unregister(struct devlink *devlink, 1983 const struct devlink_trap *traps, 1984 size_t traps_count); 1985 void devlink_trap_report(struct devlink *devlink, struct sk_buff *skb, 1986 void *trap_ctx, struct devlink_port *in_devlink_port, 1987 const struct flow_action_cookie *fa_cookie); 1988 void *devlink_trap_ctx_priv(void *trap_ctx); 1989 int devl_trap_groups_register(struct devlink *devlink, 1990 const struct devlink_trap_group *groups, 1991 size_t groups_count); 1992 int devlink_trap_groups_register(struct devlink *devlink, 1993 const struct devlink_trap_group *groups, 1994 size_t groups_count); 1995 void devl_trap_groups_unregister(struct devlink *devlink, 1996 const struct devlink_trap_group *groups, 1997 size_t groups_count); 1998 void devlink_trap_groups_unregister(struct devlink *devlink, 1999 const struct devlink_trap_group *groups, 2000 size_t groups_count); 2001 int 2002 devl_trap_policers_register(struct devlink *devlink, 2003 const struct devlink_trap_policer *policers, 2004 size_t policers_count); 2005 void 2006 devl_trap_policers_unregister(struct devlink *devlink, 2007 const struct devlink_trap_policer *policers, 2008 size_t policers_count); 2009 2010 #if IS_ENABLED(CONFIG_NET_DEVLINK) 2011 2012 struct devlink *__must_check devlink_try_get(struct devlink *devlink); 2013 void devlink_put(struct devlink *devlink); 2014 2015 void devlink_compat_running_version(struct devlink *devlink, 2016 char *buf, size_t len); 2017 int devlink_compat_flash_update(struct devlink *devlink, const char *file_name); 2018 int devlink_compat_phys_port_name_get(struct net_device *dev, 2019 char *name, size_t len); 2020 int devlink_compat_switch_id_get(struct net_device *dev, 2021 struct netdev_phys_item_id *ppid); 2022 2023 int devlink_nl_port_handle_fill(struct sk_buff *msg, struct devlink_port *devlink_port); 2024 size_t devlink_nl_port_handle_size(struct devlink_port *devlink_port); 2025 void devlink_fmsg_dump_skb(struct devlink_fmsg *fmsg, const struct sk_buff *skb); 2026 2027 #else 2028 2029 static inline struct devlink *devlink_try_get(struct devlink *devlink) 2030 { 2031 return NULL; 2032 } 2033 2034 static inline void devlink_put(struct devlink *devlink) 2035 { 2036 } 2037 2038 static inline void 2039 devlink_compat_running_version(struct devlink *devlink, char *buf, size_t len) 2040 { 2041 } 2042 2043 static inline int 2044 devlink_compat_flash_update(struct devlink *devlink, const char *file_name) 2045 { 2046 return -EOPNOTSUPP; 2047 } 2048 2049 static inline int 2050 devlink_compat_phys_port_name_get(struct net_device *dev, 2051 char *name, size_t len) 2052 { 2053 return -EOPNOTSUPP; 2054 } 2055 2056 static inline int 2057 devlink_compat_switch_id_get(struct net_device *dev, 2058 struct netdev_phys_item_id *ppid) 2059 { 2060 return -EOPNOTSUPP; 2061 } 2062 2063 static inline int 2064 devlink_nl_port_handle_fill(struct sk_buff *msg, struct devlink_port *devlink_port) 2065 { 2066 return 0; 2067 } 2068 2069 static inline size_t devlink_nl_port_handle_size(struct devlink_port *devlink_port) 2070 { 2071 return 0; 2072 } 2073 2074 #endif 2075 2076 #endif /* _NET_DEVLINK_H_ */ 2077