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 * @no_phys_port_name: skip automatic phys_port_name generation; for 82 * compatibility only, newly added driver/port instance 83 * should never set this. 84 * @lanes: maximum number of lanes the port supports. 0 value is not passed to netlink. 85 * @switch_id: if the port is part of switch, this is buffer with ID, otherwise this is NULL 86 * @phys: physical port attributes 87 * @pci_pf: PCI PF port attributes 88 * @pci_vf: PCI VF port attributes 89 * @pci_sf: PCI SF port attributes 90 */ 91 struct devlink_port_attrs { 92 u8 split:1, 93 splittable:1, 94 no_phys_port_name:1; 95 u32 lanes; 96 enum devlink_port_flavour flavour; 97 struct netdev_phys_item_id switch_id; 98 union { 99 struct devlink_port_phys_attrs phys; 100 struct devlink_port_pci_pf_attrs pci_pf; 101 struct devlink_port_pci_vf_attrs pci_vf; 102 struct devlink_port_pci_sf_attrs pci_sf; 103 }; 104 }; 105 106 struct devlink_rate { 107 struct list_head list; 108 enum devlink_rate_type type; 109 struct devlink *devlink; 110 void *priv; 111 u64 tx_share; 112 u64 tx_max; 113 114 struct devlink_rate *parent; 115 union { 116 struct devlink_port *devlink_port; 117 struct { 118 char *name; 119 refcount_t refcnt; 120 }; 121 }; 122 123 u32 tx_priority; 124 u32 tx_weight; 125 126 u32 tc_bw[DEVLINK_RATE_TCS_MAX]; 127 }; 128 129 struct devlink_port { 130 struct list_head list; 131 struct list_head region_list; 132 struct devlink *devlink; 133 const struct devlink_port_ops *ops; 134 unsigned int index; 135 spinlock_t type_lock; /* Protects type and type_eth/ib 136 * structures consistency. 137 */ 138 enum devlink_port_type type; 139 enum devlink_port_type desired_type; 140 union { 141 struct { 142 struct net_device *netdev; 143 int ifindex; 144 char ifname[IFNAMSIZ]; 145 } type_eth; 146 struct { 147 struct ib_device *ibdev; 148 } type_ib; 149 }; 150 struct devlink_port_attrs attrs; 151 u8 attrs_set:1, 152 switch_port:1, 153 registered:1, 154 initialized:1; 155 struct delayed_work type_warn_dw; 156 struct list_head reporter_list; 157 158 struct devlink_rate *devlink_rate; 159 struct devlink_linecard *linecard; 160 u32 rel_index; 161 }; 162 163 struct devlink_port_new_attrs { 164 enum devlink_port_flavour flavour; 165 unsigned int port_index; 166 u32 controller; 167 u32 sfnum; 168 u16 pfnum; 169 u8 port_index_valid:1, 170 controller_valid:1, 171 sfnum_valid:1; 172 }; 173 174 /** 175 * struct devlink_linecard_ops - Linecard operations 176 * @provision: callback to provision the linecard slot with certain 177 * type of linecard. As a result of this operation, 178 * driver is expected to eventually (could be after 179 * the function call returns) call one of: 180 * devlink_linecard_provision_set() 181 * devlink_linecard_provision_fail() 182 * @unprovision: callback to unprovision the linecard slot. As a result 183 * of this operation, driver is expected to eventually 184 * (could be after the function call returns) call 185 * devlink_linecard_provision_clear() 186 * devlink_linecard_provision_fail() 187 * @same_provision: callback to ask the driver if linecard is already 188 * provisioned in the same way user asks this linecard to be 189 * provisioned. 190 * @types_count: callback to get number of supported types 191 * @types_get: callback to get next type in list 192 */ 193 struct devlink_linecard_ops { 194 int (*provision)(struct devlink_linecard *linecard, void *priv, 195 const char *type, const void *type_priv, 196 struct netlink_ext_ack *extack); 197 int (*unprovision)(struct devlink_linecard *linecard, void *priv, 198 struct netlink_ext_ack *extack); 199 bool (*same_provision)(struct devlink_linecard *linecard, void *priv, 200 const char *type, const void *type_priv); 201 unsigned int (*types_count)(struct devlink_linecard *linecard, 202 void *priv); 203 void (*types_get)(struct devlink_linecard *linecard, 204 void *priv, unsigned int index, const char **type, 205 const void **type_priv); 206 }; 207 208 struct devlink_sb_pool_info { 209 enum devlink_sb_pool_type pool_type; 210 u32 size; 211 enum devlink_sb_threshold_type threshold_type; 212 u32 cell_size; 213 }; 214 215 /** 216 * struct devlink_dpipe_field - dpipe field object 217 * @name: field name 218 * @id: index inside the headers field array 219 * @bitwidth: bitwidth 220 * @mapping_type: mapping type 221 */ 222 struct devlink_dpipe_field { 223 const char *name; 224 unsigned int id; 225 unsigned int bitwidth; 226 enum devlink_dpipe_field_mapping_type mapping_type; 227 }; 228 229 /** 230 * struct devlink_dpipe_header - dpipe header object 231 * @name: header name 232 * @id: index, global/local determined by global bit 233 * @fields: fields 234 * @fields_count: number of fields 235 * @global: indicates if header is shared like most protocol header 236 * or driver specific 237 */ 238 struct devlink_dpipe_header { 239 const char *name; 240 unsigned int id; 241 struct devlink_dpipe_field *fields; 242 unsigned int fields_count; 243 bool global; 244 }; 245 246 /** 247 * struct devlink_dpipe_match - represents match operation 248 * @type: type of match 249 * @header_index: header index (packets can have several headers of same 250 * type like in case of tunnels) 251 * @header: header 252 * @field_id: field index 253 */ 254 struct devlink_dpipe_match { 255 enum devlink_dpipe_match_type type; 256 unsigned int header_index; 257 struct devlink_dpipe_header *header; 258 unsigned int field_id; 259 }; 260 261 /** 262 * struct devlink_dpipe_action - represents action operation 263 * @type: type of action 264 * @header_index: header index (packets can have several headers of same 265 * type like in case of tunnels) 266 * @header: header 267 * @field_id: field index 268 */ 269 struct devlink_dpipe_action { 270 enum devlink_dpipe_action_type type; 271 unsigned int header_index; 272 struct devlink_dpipe_header *header; 273 unsigned int field_id; 274 }; 275 276 /** 277 * struct devlink_dpipe_value - represents value of match/action 278 * @action: action 279 * @match: match 280 * @mapping_value: in case the field has some mapping this value 281 * specified the mapping value 282 * @mapping_valid: specify if mapping value is valid 283 * @value_size: value size 284 * @value: value 285 * @mask: bit mask 286 */ 287 struct devlink_dpipe_value { 288 union { 289 struct devlink_dpipe_action *action; 290 struct devlink_dpipe_match *match; 291 }; 292 unsigned int mapping_value; 293 bool mapping_valid; 294 unsigned int value_size; 295 void *value; 296 void *mask; 297 }; 298 299 /** 300 * struct devlink_dpipe_entry - table entry object 301 * @index: index of the entry in the table 302 * @match_values: match values 303 * @match_values_count: count of matches tuples 304 * @action_values: actions values 305 * @action_values_count: count of actions values 306 * @counter: value of counter 307 * @counter_valid: Specify if value is valid from hardware 308 */ 309 struct devlink_dpipe_entry { 310 u64 index; 311 struct devlink_dpipe_value *match_values; 312 unsigned int match_values_count; 313 struct devlink_dpipe_value *action_values; 314 unsigned int action_values_count; 315 u64 counter; 316 bool counter_valid; 317 }; 318 319 /** 320 * struct devlink_dpipe_dump_ctx - context provided to driver in order 321 * to dump 322 * @info: info 323 * @cmd: devlink command 324 * @skb: skb 325 * @nest: top attribute 326 * @hdr: hdr 327 */ 328 struct devlink_dpipe_dump_ctx { 329 struct genl_info *info; 330 enum devlink_command cmd; 331 struct sk_buff *skb; 332 struct nlattr *nest; 333 void *hdr; 334 }; 335 336 struct devlink_dpipe_table_ops; 337 338 /** 339 * struct devlink_dpipe_table - table object 340 * @priv: private 341 * @name: table name 342 * @counters_enabled: indicates if counters are active 343 * @counter_control_extern: indicates if counter control is in dpipe or 344 * external tool 345 * @resource_valid: Indicate that the resource id is valid 346 * @resource_id: relative resource this table is related to 347 * @resource_units: number of resource's unit consumed per table's entry 348 * @table_ops: table operations 349 * @rcu: rcu 350 */ 351 struct devlink_dpipe_table { 352 void *priv; 353 /* private: */ 354 struct list_head list; 355 /* public: */ 356 const char *name; 357 bool counters_enabled; 358 bool counter_control_extern; 359 bool resource_valid; 360 u64 resource_id; 361 u64 resource_units; 362 const struct devlink_dpipe_table_ops *table_ops; 363 struct rcu_head rcu; 364 }; 365 366 /** 367 * struct devlink_dpipe_table_ops - dpipe_table ops 368 * @actions_dump: dumps all tables actions 369 * @matches_dump: dumps all tables matches 370 * @entries_dump: dumps all active entries in the table 371 * @counters_set_update: when changing the counter status hardware sync 372 * maybe needed to allocate/free counter related 373 * resources 374 * @size_get: get size 375 */ 376 struct devlink_dpipe_table_ops { 377 int (*actions_dump)(void *priv, struct sk_buff *skb); 378 int (*matches_dump)(void *priv, struct sk_buff *skb); 379 int (*entries_dump)(void *priv, bool counters_enabled, 380 struct devlink_dpipe_dump_ctx *dump_ctx); 381 int (*counters_set_update)(void *priv, bool enable); 382 u64 (*size_get)(void *priv); 383 }; 384 385 /** 386 * struct devlink_dpipe_headers - dpipe headers 387 * @headers: header array can be shared (global bit) or driver specific 388 * @headers_count: count of headers 389 */ 390 struct devlink_dpipe_headers { 391 struct devlink_dpipe_header **headers; 392 unsigned int headers_count; 393 }; 394 395 /** 396 * struct devlink_resource_size_params - resource's size parameters 397 * @size_min: minimum size which can be set 398 * @size_max: maximum size which can be set 399 * @size_granularity: size granularity 400 * @unit: resource's basic unit 401 */ 402 struct devlink_resource_size_params { 403 u64 size_min; 404 u64 size_max; 405 u64 size_granularity; 406 enum devlink_resource_unit unit; 407 }; 408 409 static inline void 410 devlink_resource_size_params_init(struct devlink_resource_size_params *size_params, 411 u64 size_min, u64 size_max, 412 u64 size_granularity, 413 enum devlink_resource_unit unit) 414 { 415 size_params->size_min = size_min; 416 size_params->size_max = size_max; 417 size_params->size_granularity = size_granularity; 418 size_params->unit = unit; 419 } 420 421 typedef u64 devlink_resource_occ_get_t(void *priv); 422 423 #define DEVLINK_RESOURCE_ID_PARENT_TOP 0 424 425 #define DEVLINK_RESOURCE_GENERIC_NAME_PORTS "physical_ports" 426 427 #define __DEVLINK_PARAM_MAX_STRING_VALUE 32 428 enum devlink_param_type { 429 DEVLINK_PARAM_TYPE_U8 = DEVLINK_VAR_ATTR_TYPE_U8, 430 DEVLINK_PARAM_TYPE_U16 = DEVLINK_VAR_ATTR_TYPE_U16, 431 DEVLINK_PARAM_TYPE_U32 = DEVLINK_VAR_ATTR_TYPE_U32, 432 DEVLINK_PARAM_TYPE_U64 = DEVLINK_VAR_ATTR_TYPE_U64, 433 DEVLINK_PARAM_TYPE_STRING = DEVLINK_VAR_ATTR_TYPE_STRING, 434 DEVLINK_PARAM_TYPE_BOOL = DEVLINK_VAR_ATTR_TYPE_FLAG, 435 }; 436 437 union devlink_param_value { 438 u8 vu8; 439 u16 vu16; 440 u32 vu32; 441 u64 vu64; 442 char vstr[__DEVLINK_PARAM_MAX_STRING_VALUE]; 443 bool vbool; 444 }; 445 446 struct devlink_param_gset_ctx { 447 union devlink_param_value val; 448 enum devlink_param_cmode cmode; 449 }; 450 451 /** 452 * struct devlink_flash_notify - devlink dev flash notify data 453 * @status_msg: current status string 454 * @component: firmware component being updated 455 * @done: amount of work completed of total amount 456 * @total: amount of work expected to be done 457 * @timeout: expected max timeout in seconds 458 * 459 * These are values to be given to userland to be displayed in order 460 * to show current activity in a firmware update process. 461 */ 462 struct devlink_flash_notify { 463 const char *status_msg; 464 const char *component; 465 unsigned long done; 466 unsigned long total; 467 unsigned long timeout; 468 }; 469 470 /** 471 * struct devlink_param - devlink configuration parameter data 472 * @id: devlink parameter id number 473 * @name: name of the parameter 474 * @generic: indicates if the parameter is generic or driver specific 475 * @type: parameter type 476 * @supported_cmodes: bitmap of supported configuration modes 477 * @get: get parameter value, used for runtime and permanent 478 * configuration modes 479 * @set: set parameter value, used for runtime and permanent 480 * configuration modes 481 * @validate: validate input value is applicable (within value range, etc.) 482 * 483 * This struct should be used by the driver to fill the data for 484 * a parameter it registers. 485 */ 486 struct devlink_param { 487 u32 id; 488 const char *name; 489 bool generic; 490 enum devlink_param_type type; 491 unsigned long supported_cmodes; 492 int (*get)(struct devlink *devlink, u32 id, 493 struct devlink_param_gset_ctx *ctx); 494 int (*set)(struct devlink *devlink, u32 id, 495 struct devlink_param_gset_ctx *ctx, 496 struct netlink_ext_ack *extack); 497 int (*validate)(struct devlink *devlink, u32 id, 498 union devlink_param_value val, 499 struct netlink_ext_ack *extack); 500 }; 501 502 struct devlink_param_item { 503 struct list_head list; 504 const struct devlink_param *param; 505 union devlink_param_value driverinit_value; 506 bool driverinit_value_valid; 507 union devlink_param_value driverinit_value_new; /* Not reachable 508 * until reload. 509 */ 510 bool driverinit_value_new_valid; 511 }; 512 513 enum devlink_param_generic_id { 514 DEVLINK_PARAM_GENERIC_ID_INT_ERR_RESET, 515 DEVLINK_PARAM_GENERIC_ID_MAX_MACS, 516 DEVLINK_PARAM_GENERIC_ID_ENABLE_SRIOV, 517 DEVLINK_PARAM_GENERIC_ID_REGION_SNAPSHOT, 518 DEVLINK_PARAM_GENERIC_ID_IGNORE_ARI, 519 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX, 520 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN, 521 DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY, 522 DEVLINK_PARAM_GENERIC_ID_RESET_DEV_ON_DRV_PROBE, 523 DEVLINK_PARAM_GENERIC_ID_ENABLE_ROCE, 524 DEVLINK_PARAM_GENERIC_ID_ENABLE_REMOTE_DEV_RESET, 525 DEVLINK_PARAM_GENERIC_ID_ENABLE_ETH, 526 DEVLINK_PARAM_GENERIC_ID_ENABLE_RDMA, 527 DEVLINK_PARAM_GENERIC_ID_ENABLE_VNET, 528 DEVLINK_PARAM_GENERIC_ID_ENABLE_IWARP, 529 DEVLINK_PARAM_GENERIC_ID_IO_EQ_SIZE, 530 DEVLINK_PARAM_GENERIC_ID_EVENT_EQ_SIZE, 531 DEVLINK_PARAM_GENERIC_ID_ENABLE_PHC, 532 DEVLINK_PARAM_GENERIC_ID_CLOCK_ID, 533 534 /* add new param generic ids above here*/ 535 __DEVLINK_PARAM_GENERIC_ID_MAX, 536 DEVLINK_PARAM_GENERIC_ID_MAX = __DEVLINK_PARAM_GENERIC_ID_MAX - 1, 537 }; 538 539 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_NAME "internal_error_reset" 540 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL 541 542 #define DEVLINK_PARAM_GENERIC_MAX_MACS_NAME "max_macs" 543 #define DEVLINK_PARAM_GENERIC_MAX_MACS_TYPE DEVLINK_PARAM_TYPE_U32 544 545 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_NAME "enable_sriov" 546 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_TYPE DEVLINK_PARAM_TYPE_BOOL 547 548 #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_NAME "region_snapshot_enable" 549 #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_TYPE DEVLINK_PARAM_TYPE_BOOL 550 551 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_NAME "ignore_ari" 552 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_TYPE DEVLINK_PARAM_TYPE_BOOL 553 554 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_NAME "msix_vec_per_pf_max" 555 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_TYPE DEVLINK_PARAM_TYPE_U32 556 557 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_NAME "msix_vec_per_pf_min" 558 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_TYPE DEVLINK_PARAM_TYPE_U32 559 560 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_NAME "fw_load_policy" 561 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_TYPE DEVLINK_PARAM_TYPE_U8 562 563 #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_NAME \ 564 "reset_dev_on_drv_probe" 565 #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_TYPE DEVLINK_PARAM_TYPE_U8 566 567 #define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_NAME "enable_roce" 568 #define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_TYPE DEVLINK_PARAM_TYPE_BOOL 569 570 #define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_NAME "enable_remote_dev_reset" 571 #define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL 572 573 #define DEVLINK_PARAM_GENERIC_ENABLE_ETH_NAME "enable_eth" 574 #define DEVLINK_PARAM_GENERIC_ENABLE_ETH_TYPE DEVLINK_PARAM_TYPE_BOOL 575 576 #define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_NAME "enable_rdma" 577 #define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_TYPE DEVLINK_PARAM_TYPE_BOOL 578 579 #define DEVLINK_PARAM_GENERIC_ENABLE_VNET_NAME "enable_vnet" 580 #define DEVLINK_PARAM_GENERIC_ENABLE_VNET_TYPE DEVLINK_PARAM_TYPE_BOOL 581 582 #define DEVLINK_PARAM_GENERIC_ENABLE_IWARP_NAME "enable_iwarp" 583 #define DEVLINK_PARAM_GENERIC_ENABLE_IWARP_TYPE DEVLINK_PARAM_TYPE_BOOL 584 585 #define DEVLINK_PARAM_GENERIC_IO_EQ_SIZE_NAME "io_eq_size" 586 #define DEVLINK_PARAM_GENERIC_IO_EQ_SIZE_TYPE DEVLINK_PARAM_TYPE_U32 587 588 #define DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_NAME "event_eq_size" 589 #define DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_TYPE DEVLINK_PARAM_TYPE_U32 590 591 #define DEVLINK_PARAM_GENERIC_ENABLE_PHC_NAME "enable_phc" 592 #define DEVLINK_PARAM_GENERIC_ENABLE_PHC_TYPE DEVLINK_PARAM_TYPE_BOOL 593 594 #define DEVLINK_PARAM_GENERIC_CLOCK_ID_NAME "clock_id" 595 #define DEVLINK_PARAM_GENERIC_CLOCK_ID_TYPE DEVLINK_PARAM_TYPE_U64 596 597 #define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate) \ 598 { \ 599 .id = DEVLINK_PARAM_GENERIC_ID_##_id, \ 600 .name = DEVLINK_PARAM_GENERIC_##_id##_NAME, \ 601 .type = DEVLINK_PARAM_GENERIC_##_id##_TYPE, \ 602 .generic = true, \ 603 .supported_cmodes = _cmodes, \ 604 .get = _get, \ 605 .set = _set, \ 606 .validate = _validate, \ 607 } 608 609 #define DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, _get, _set, _validate) \ 610 { \ 611 .id = _id, \ 612 .name = _name, \ 613 .type = _type, \ 614 .supported_cmodes = _cmodes, \ 615 .get = _get, \ 616 .set = _set, \ 617 .validate = _validate, \ 618 } 619 620 /* Identifier of board design */ 621 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_ID "board.id" 622 /* Revision of board design */ 623 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_REV "board.rev" 624 /* Maker of the board */ 625 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_MANUFACTURE "board.manufacture" 626 /* Part number of the board and its components */ 627 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_PART_NUMBER "board.part_number" 628 629 /* Part number, identifier of asic design */ 630 #define DEVLINK_INFO_VERSION_GENERIC_ASIC_ID "asic.id" 631 /* Revision of asic design */ 632 #define DEVLINK_INFO_VERSION_GENERIC_ASIC_REV "asic.rev" 633 634 /* Overall FW version */ 635 #define DEVLINK_INFO_VERSION_GENERIC_FW "fw" 636 /* Control processor FW version */ 637 #define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT "fw.mgmt" 638 /* FW interface specification version */ 639 #define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT_API "fw.mgmt.api" 640 /* Data path microcode controlling high-speed packet processing */ 641 #define DEVLINK_INFO_VERSION_GENERIC_FW_APP "fw.app" 642 /* UNDI software version */ 643 #define DEVLINK_INFO_VERSION_GENERIC_FW_UNDI "fw.undi" 644 /* NCSI support/handler version */ 645 #define DEVLINK_INFO_VERSION_GENERIC_FW_NCSI "fw.ncsi" 646 /* FW parameter set id */ 647 #define DEVLINK_INFO_VERSION_GENERIC_FW_PSID "fw.psid" 648 /* RoCE FW version */ 649 #define DEVLINK_INFO_VERSION_GENERIC_FW_ROCE "fw.roce" 650 /* Firmware bundle identifier */ 651 #define DEVLINK_INFO_VERSION_GENERIC_FW_BUNDLE_ID "fw.bundle_id" 652 /* Bootloader */ 653 #define DEVLINK_INFO_VERSION_GENERIC_FW_BOOTLOADER "fw.bootloader" 654 655 /** 656 * struct devlink_flash_update_params - Flash Update parameters 657 * @fw: pointer to the firmware data to update from 658 * @component: the flash component to update 659 * @overwrite_mask: which types of flash update are supported (may be %0) 660 * 661 * With the exception of fw, drivers must opt-in to parameters by 662 * setting the appropriate bit in the supported_flash_update_params field in 663 * their devlink_ops structure. 664 */ 665 struct devlink_flash_update_params { 666 const struct firmware *fw; 667 const char *component; 668 u32 overwrite_mask; 669 }; 670 671 #define DEVLINK_SUPPORT_FLASH_UPDATE_OVERWRITE_MASK BIT(0) 672 673 struct devlink_region; 674 struct devlink_info_req; 675 676 /** 677 * struct devlink_region_ops - Region operations 678 * @name: region name 679 * @destructor: callback used to free snapshot memory when deleting 680 * @snapshot: callback to request an immediate snapshot. On success, 681 * the data variable must be updated to point to the snapshot data. 682 * The function will be called while the devlink instance lock is 683 * held. 684 * @read: callback to directly read a portion of the region. On success, 685 * the data pointer will be updated with the contents of the 686 * requested portion of the region. The function will be called 687 * while the devlink instance lock is held. 688 * @priv: Pointer to driver private data for the region operation 689 */ 690 struct devlink_region_ops { 691 const char *name; 692 void (*destructor)(const void *data); 693 int (*snapshot)(struct devlink *devlink, 694 const struct devlink_region_ops *ops, 695 struct netlink_ext_ack *extack, 696 u8 **data); 697 int (*read)(struct devlink *devlink, 698 const struct devlink_region_ops *ops, 699 struct netlink_ext_ack *extack, 700 u64 offset, u32 size, u8 *data); 701 void *priv; 702 }; 703 704 /** 705 * struct devlink_port_region_ops - Region operations for a port 706 * @name: region name 707 * @destructor: callback used to free snapshot memory when deleting 708 * @snapshot: callback to request an immediate snapshot. On success, 709 * the data variable must be updated to point to the snapshot data. 710 * The function will be called while the devlink instance lock is 711 * held. 712 * @read: callback to directly read a portion of the region. On success, 713 * the data pointer will be updated with the contents of the 714 * requested portion of the region. The function will be called 715 * while the devlink instance lock is held. 716 * @priv: Pointer to driver private data for the region operation 717 */ 718 struct devlink_port_region_ops { 719 const char *name; 720 void (*destructor)(const void *data); 721 int (*snapshot)(struct devlink_port *port, 722 const struct devlink_port_region_ops *ops, 723 struct netlink_ext_ack *extack, 724 u8 **data); 725 int (*read)(struct devlink_port *port, 726 const struct devlink_port_region_ops *ops, 727 struct netlink_ext_ack *extack, 728 u64 offset, u32 size, u8 *data); 729 void *priv; 730 }; 731 732 struct devlink_fmsg; 733 struct devlink_health_reporter; 734 735 enum devlink_health_reporter_state { 736 DEVLINK_HEALTH_REPORTER_STATE_HEALTHY, 737 DEVLINK_HEALTH_REPORTER_STATE_ERROR, 738 }; 739 740 /** 741 * struct devlink_health_reporter_ops - Reporter operations 742 * @name: reporter name 743 * @recover: callback to recover from reported error 744 * if priv_ctx is NULL, run a full recover 745 * @dump: callback to dump an object 746 * if priv_ctx is NULL, run a full dump 747 * @diagnose: callback to diagnose the current status 748 * @test: callback to trigger a test event 749 * @default_graceful_period: default min time (in msec) 750 * between recovery attempts 751 * @default_burst_period: default time (in msec) for 752 * error recoveries before starting the grace period 753 */ 754 755 struct devlink_health_reporter_ops { 756 char *name; 757 int (*recover)(struct devlink_health_reporter *reporter, 758 void *priv_ctx, struct netlink_ext_ack *extack); 759 int (*dump)(struct devlink_health_reporter *reporter, 760 struct devlink_fmsg *fmsg, void *priv_ctx, 761 struct netlink_ext_ack *extack); 762 int (*diagnose)(struct devlink_health_reporter *reporter, 763 struct devlink_fmsg *fmsg, 764 struct netlink_ext_ack *extack); 765 int (*test)(struct devlink_health_reporter *reporter, 766 struct netlink_ext_ack *extack); 767 u64 default_graceful_period; 768 u64 default_burst_period; 769 }; 770 771 /** 772 * struct devlink_trap_metadata - Packet trap metadata. 773 * @trap_name: Trap name. 774 * @trap_group_name: Trap group name. 775 * @input_dev: Input netdevice. 776 * @dev_tracker: refcount tracker for @input_dev. 777 * @fa_cookie: Flow action user cookie. 778 * @trap_type: Trap type. 779 */ 780 struct devlink_trap_metadata { 781 const char *trap_name; 782 const char *trap_group_name; 783 784 struct net_device *input_dev; 785 netdevice_tracker dev_tracker; 786 787 const struct flow_action_cookie *fa_cookie; 788 enum devlink_trap_type trap_type; 789 }; 790 791 /** 792 * struct devlink_trap_policer - Immutable packet trap policer attributes. 793 * @id: Policer identifier. 794 * @init_rate: Initial rate in packets / sec. 795 * @init_burst: Initial burst size in packets. 796 * @max_rate: Maximum rate. 797 * @min_rate: Minimum rate. 798 * @max_burst: Maximum burst size. 799 * @min_burst: Minimum burst size. 800 * 801 * Describes immutable attributes of packet trap policers that drivers register 802 * with devlink. 803 */ 804 struct devlink_trap_policer { 805 u32 id; 806 u64 init_rate; 807 u64 init_burst; 808 u64 max_rate; 809 u64 min_rate; 810 u64 max_burst; 811 u64 min_burst; 812 }; 813 814 /** 815 * struct devlink_trap_group - Immutable packet trap group attributes. 816 * @name: Trap group name. 817 * @id: Trap group identifier. 818 * @generic: Whether the trap group is generic or not. 819 * @init_policer_id: Initial policer identifier. 820 * 821 * Describes immutable attributes of packet trap groups that drivers register 822 * with devlink. 823 */ 824 struct devlink_trap_group { 825 const char *name; 826 u16 id; 827 bool generic; 828 u32 init_policer_id; 829 }; 830 831 #define DEVLINK_TRAP_METADATA_TYPE_F_IN_PORT BIT(0) 832 #define DEVLINK_TRAP_METADATA_TYPE_F_FA_COOKIE BIT(1) 833 834 /** 835 * struct devlink_trap - Immutable packet trap attributes. 836 * @type: Trap type. 837 * @init_action: Initial trap action. 838 * @generic: Whether the trap is generic or not. 839 * @id: Trap identifier. 840 * @name: Trap name. 841 * @init_group_id: Initial group identifier. 842 * @metadata_cap: Metadata types that can be provided by the trap. 843 * 844 * Describes immutable attributes of packet traps that drivers register with 845 * devlink. 846 */ 847 struct devlink_trap { 848 enum devlink_trap_type type; 849 enum devlink_trap_action init_action; 850 bool generic; 851 u16 id; 852 const char *name; 853 u16 init_group_id; 854 u32 metadata_cap; 855 }; 856 857 /* All traps must be documented in 858 * Documentation/networking/devlink/devlink-trap.rst 859 */ 860 enum devlink_trap_generic_id { 861 DEVLINK_TRAP_GENERIC_ID_SMAC_MC, 862 DEVLINK_TRAP_GENERIC_ID_VLAN_TAG_MISMATCH, 863 DEVLINK_TRAP_GENERIC_ID_INGRESS_VLAN_FILTER, 864 DEVLINK_TRAP_GENERIC_ID_INGRESS_STP_FILTER, 865 DEVLINK_TRAP_GENERIC_ID_EMPTY_TX_LIST, 866 DEVLINK_TRAP_GENERIC_ID_PORT_LOOPBACK_FILTER, 867 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_ROUTE, 868 DEVLINK_TRAP_GENERIC_ID_TTL_ERROR, 869 DEVLINK_TRAP_GENERIC_ID_TAIL_DROP, 870 DEVLINK_TRAP_GENERIC_ID_NON_IP_PACKET, 871 DEVLINK_TRAP_GENERIC_ID_UC_DIP_MC_DMAC, 872 DEVLINK_TRAP_GENERIC_ID_DIP_LB, 873 DEVLINK_TRAP_GENERIC_ID_SIP_MC, 874 DEVLINK_TRAP_GENERIC_ID_SIP_LB, 875 DEVLINK_TRAP_GENERIC_ID_CORRUPTED_IP_HDR, 876 DEVLINK_TRAP_GENERIC_ID_IPV4_SIP_BC, 877 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_RESERVED_SCOPE, 878 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE, 879 DEVLINK_TRAP_GENERIC_ID_MTU_ERROR, 880 DEVLINK_TRAP_GENERIC_ID_UNRESOLVED_NEIGH, 881 DEVLINK_TRAP_GENERIC_ID_RPF, 882 DEVLINK_TRAP_GENERIC_ID_REJECT_ROUTE, 883 DEVLINK_TRAP_GENERIC_ID_IPV4_LPM_UNICAST_MISS, 884 DEVLINK_TRAP_GENERIC_ID_IPV6_LPM_UNICAST_MISS, 885 DEVLINK_TRAP_GENERIC_ID_NON_ROUTABLE, 886 DEVLINK_TRAP_GENERIC_ID_DECAP_ERROR, 887 DEVLINK_TRAP_GENERIC_ID_OVERLAY_SMAC_MC, 888 DEVLINK_TRAP_GENERIC_ID_INGRESS_FLOW_ACTION_DROP, 889 DEVLINK_TRAP_GENERIC_ID_EGRESS_FLOW_ACTION_DROP, 890 DEVLINK_TRAP_GENERIC_ID_STP, 891 DEVLINK_TRAP_GENERIC_ID_LACP, 892 DEVLINK_TRAP_GENERIC_ID_LLDP, 893 DEVLINK_TRAP_GENERIC_ID_IGMP_QUERY, 894 DEVLINK_TRAP_GENERIC_ID_IGMP_V1_REPORT, 895 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_REPORT, 896 DEVLINK_TRAP_GENERIC_ID_IGMP_V3_REPORT, 897 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_LEAVE, 898 DEVLINK_TRAP_GENERIC_ID_MLD_QUERY, 899 DEVLINK_TRAP_GENERIC_ID_MLD_V1_REPORT, 900 DEVLINK_TRAP_GENERIC_ID_MLD_V2_REPORT, 901 DEVLINK_TRAP_GENERIC_ID_MLD_V1_DONE, 902 DEVLINK_TRAP_GENERIC_ID_IPV4_DHCP, 903 DEVLINK_TRAP_GENERIC_ID_IPV6_DHCP, 904 DEVLINK_TRAP_GENERIC_ID_ARP_REQUEST, 905 DEVLINK_TRAP_GENERIC_ID_ARP_RESPONSE, 906 DEVLINK_TRAP_GENERIC_ID_ARP_OVERLAY, 907 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_SOLICIT, 908 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_ADVERT, 909 DEVLINK_TRAP_GENERIC_ID_IPV4_BFD, 910 DEVLINK_TRAP_GENERIC_ID_IPV6_BFD, 911 DEVLINK_TRAP_GENERIC_ID_IPV4_OSPF, 912 DEVLINK_TRAP_GENERIC_ID_IPV6_OSPF, 913 DEVLINK_TRAP_GENERIC_ID_IPV4_BGP, 914 DEVLINK_TRAP_GENERIC_ID_IPV6_BGP, 915 DEVLINK_TRAP_GENERIC_ID_IPV4_VRRP, 916 DEVLINK_TRAP_GENERIC_ID_IPV6_VRRP, 917 DEVLINK_TRAP_GENERIC_ID_IPV4_PIM, 918 DEVLINK_TRAP_GENERIC_ID_IPV6_PIM, 919 DEVLINK_TRAP_GENERIC_ID_UC_LB, 920 DEVLINK_TRAP_GENERIC_ID_LOCAL_ROUTE, 921 DEVLINK_TRAP_GENERIC_ID_EXTERNAL_ROUTE, 922 DEVLINK_TRAP_GENERIC_ID_IPV6_UC_DIP_LINK_LOCAL_SCOPE, 923 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_NODES, 924 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_ROUTERS, 925 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_SOLICIT, 926 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ADVERT, 927 DEVLINK_TRAP_GENERIC_ID_IPV6_REDIRECT, 928 DEVLINK_TRAP_GENERIC_ID_IPV4_ROUTER_ALERT, 929 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ALERT, 930 DEVLINK_TRAP_GENERIC_ID_PTP_EVENT, 931 DEVLINK_TRAP_GENERIC_ID_PTP_GENERAL, 932 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_SAMPLE, 933 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_TRAP, 934 DEVLINK_TRAP_GENERIC_ID_EARLY_DROP, 935 DEVLINK_TRAP_GENERIC_ID_VXLAN_PARSING, 936 DEVLINK_TRAP_GENERIC_ID_LLC_SNAP_PARSING, 937 DEVLINK_TRAP_GENERIC_ID_VLAN_PARSING, 938 DEVLINK_TRAP_GENERIC_ID_PPPOE_PPP_PARSING, 939 DEVLINK_TRAP_GENERIC_ID_MPLS_PARSING, 940 DEVLINK_TRAP_GENERIC_ID_ARP_PARSING, 941 DEVLINK_TRAP_GENERIC_ID_IP_1_PARSING, 942 DEVLINK_TRAP_GENERIC_ID_IP_N_PARSING, 943 DEVLINK_TRAP_GENERIC_ID_GRE_PARSING, 944 DEVLINK_TRAP_GENERIC_ID_UDP_PARSING, 945 DEVLINK_TRAP_GENERIC_ID_TCP_PARSING, 946 DEVLINK_TRAP_GENERIC_ID_IPSEC_PARSING, 947 DEVLINK_TRAP_GENERIC_ID_SCTP_PARSING, 948 DEVLINK_TRAP_GENERIC_ID_DCCP_PARSING, 949 DEVLINK_TRAP_GENERIC_ID_GTP_PARSING, 950 DEVLINK_TRAP_GENERIC_ID_ESP_PARSING, 951 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_NEXTHOP, 952 DEVLINK_TRAP_GENERIC_ID_DMAC_FILTER, 953 DEVLINK_TRAP_GENERIC_ID_EAPOL, 954 DEVLINK_TRAP_GENERIC_ID_LOCKED_PORT, 955 956 /* Add new generic trap IDs above */ 957 __DEVLINK_TRAP_GENERIC_ID_MAX, 958 DEVLINK_TRAP_GENERIC_ID_MAX = __DEVLINK_TRAP_GENERIC_ID_MAX - 1, 959 }; 960 961 /* All trap groups must be documented in 962 * Documentation/networking/devlink/devlink-trap.rst 963 */ 964 enum devlink_trap_group_generic_id { 965 DEVLINK_TRAP_GROUP_GENERIC_ID_L2_DROPS, 966 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_DROPS, 967 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_EXCEPTIONS, 968 DEVLINK_TRAP_GROUP_GENERIC_ID_BUFFER_DROPS, 969 DEVLINK_TRAP_GROUP_GENERIC_ID_TUNNEL_DROPS, 970 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_DROPS, 971 DEVLINK_TRAP_GROUP_GENERIC_ID_STP, 972 DEVLINK_TRAP_GROUP_GENERIC_ID_LACP, 973 DEVLINK_TRAP_GROUP_GENERIC_ID_LLDP, 974 DEVLINK_TRAP_GROUP_GENERIC_ID_MC_SNOOPING, 975 DEVLINK_TRAP_GROUP_GENERIC_ID_DHCP, 976 DEVLINK_TRAP_GROUP_GENERIC_ID_NEIGH_DISCOVERY, 977 DEVLINK_TRAP_GROUP_GENERIC_ID_BFD, 978 DEVLINK_TRAP_GROUP_GENERIC_ID_OSPF, 979 DEVLINK_TRAP_GROUP_GENERIC_ID_BGP, 980 DEVLINK_TRAP_GROUP_GENERIC_ID_VRRP, 981 DEVLINK_TRAP_GROUP_GENERIC_ID_PIM, 982 DEVLINK_TRAP_GROUP_GENERIC_ID_UC_LB, 983 DEVLINK_TRAP_GROUP_GENERIC_ID_LOCAL_DELIVERY, 984 DEVLINK_TRAP_GROUP_GENERIC_ID_EXTERNAL_DELIVERY, 985 DEVLINK_TRAP_GROUP_GENERIC_ID_IPV6, 986 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_EVENT, 987 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_GENERAL, 988 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_SAMPLE, 989 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_TRAP, 990 DEVLINK_TRAP_GROUP_GENERIC_ID_PARSER_ERROR_DROPS, 991 DEVLINK_TRAP_GROUP_GENERIC_ID_EAPOL, 992 993 /* Add new generic trap group IDs above */ 994 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX, 995 DEVLINK_TRAP_GROUP_GENERIC_ID_MAX = 996 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX - 1, 997 }; 998 999 #define DEVLINK_TRAP_GENERIC_NAME_SMAC_MC \ 1000 "source_mac_is_multicast" 1001 #define DEVLINK_TRAP_GENERIC_NAME_VLAN_TAG_MISMATCH \ 1002 "vlan_tag_mismatch" 1003 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_VLAN_FILTER \ 1004 "ingress_vlan_filter" 1005 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_STP_FILTER \ 1006 "ingress_spanning_tree_filter" 1007 #define DEVLINK_TRAP_GENERIC_NAME_EMPTY_TX_LIST \ 1008 "port_list_is_empty" 1009 #define DEVLINK_TRAP_GENERIC_NAME_PORT_LOOPBACK_FILTER \ 1010 "port_loopback_filter" 1011 #define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_ROUTE \ 1012 "blackhole_route" 1013 #define DEVLINK_TRAP_GENERIC_NAME_TTL_ERROR \ 1014 "ttl_value_is_too_small" 1015 #define DEVLINK_TRAP_GENERIC_NAME_TAIL_DROP \ 1016 "tail_drop" 1017 #define DEVLINK_TRAP_GENERIC_NAME_NON_IP_PACKET \ 1018 "non_ip" 1019 #define DEVLINK_TRAP_GENERIC_NAME_UC_DIP_MC_DMAC \ 1020 "uc_dip_over_mc_dmac" 1021 #define DEVLINK_TRAP_GENERIC_NAME_DIP_LB \ 1022 "dip_is_loopback_address" 1023 #define DEVLINK_TRAP_GENERIC_NAME_SIP_MC \ 1024 "sip_is_mc" 1025 #define DEVLINK_TRAP_GENERIC_NAME_SIP_LB \ 1026 "sip_is_loopback_address" 1027 #define DEVLINK_TRAP_GENERIC_NAME_CORRUPTED_IP_HDR \ 1028 "ip_header_corrupted" 1029 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_SIP_BC \ 1030 "ipv4_sip_is_limited_bc" 1031 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_RESERVED_SCOPE \ 1032 "ipv6_mc_dip_reserved_scope" 1033 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE \ 1034 "ipv6_mc_dip_interface_local_scope" 1035 #define DEVLINK_TRAP_GENERIC_NAME_MTU_ERROR \ 1036 "mtu_value_is_too_small" 1037 #define DEVLINK_TRAP_GENERIC_NAME_UNRESOLVED_NEIGH \ 1038 "unresolved_neigh" 1039 #define DEVLINK_TRAP_GENERIC_NAME_RPF \ 1040 "mc_reverse_path_forwarding" 1041 #define DEVLINK_TRAP_GENERIC_NAME_REJECT_ROUTE \ 1042 "reject_route" 1043 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_LPM_UNICAST_MISS \ 1044 "ipv4_lpm_miss" 1045 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_LPM_UNICAST_MISS \ 1046 "ipv6_lpm_miss" 1047 #define DEVLINK_TRAP_GENERIC_NAME_NON_ROUTABLE \ 1048 "non_routable_packet" 1049 #define DEVLINK_TRAP_GENERIC_NAME_DECAP_ERROR \ 1050 "decap_error" 1051 #define DEVLINK_TRAP_GENERIC_NAME_OVERLAY_SMAC_MC \ 1052 "overlay_smac_is_mc" 1053 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_FLOW_ACTION_DROP \ 1054 "ingress_flow_action_drop" 1055 #define DEVLINK_TRAP_GENERIC_NAME_EGRESS_FLOW_ACTION_DROP \ 1056 "egress_flow_action_drop" 1057 #define DEVLINK_TRAP_GENERIC_NAME_STP \ 1058 "stp" 1059 #define DEVLINK_TRAP_GENERIC_NAME_LACP \ 1060 "lacp" 1061 #define DEVLINK_TRAP_GENERIC_NAME_LLDP \ 1062 "lldp" 1063 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_QUERY \ 1064 "igmp_query" 1065 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V1_REPORT \ 1066 "igmp_v1_report" 1067 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_REPORT \ 1068 "igmp_v2_report" 1069 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V3_REPORT \ 1070 "igmp_v3_report" 1071 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_LEAVE \ 1072 "igmp_v2_leave" 1073 #define DEVLINK_TRAP_GENERIC_NAME_MLD_QUERY \ 1074 "mld_query" 1075 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_REPORT \ 1076 "mld_v1_report" 1077 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V2_REPORT \ 1078 "mld_v2_report" 1079 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_DONE \ 1080 "mld_v1_done" 1081 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_DHCP \ 1082 "ipv4_dhcp" 1083 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DHCP \ 1084 "ipv6_dhcp" 1085 #define DEVLINK_TRAP_GENERIC_NAME_ARP_REQUEST \ 1086 "arp_request" 1087 #define DEVLINK_TRAP_GENERIC_NAME_ARP_RESPONSE \ 1088 "arp_response" 1089 #define DEVLINK_TRAP_GENERIC_NAME_ARP_OVERLAY \ 1090 "arp_overlay" 1091 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_SOLICIT \ 1092 "ipv6_neigh_solicit" 1093 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_ADVERT \ 1094 "ipv6_neigh_advert" 1095 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_BFD \ 1096 "ipv4_bfd" 1097 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_BFD \ 1098 "ipv6_bfd" 1099 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_OSPF \ 1100 "ipv4_ospf" 1101 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_OSPF \ 1102 "ipv6_ospf" 1103 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_BGP \ 1104 "ipv4_bgp" 1105 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_BGP \ 1106 "ipv6_bgp" 1107 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_VRRP \ 1108 "ipv4_vrrp" 1109 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_VRRP \ 1110 "ipv6_vrrp" 1111 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_PIM \ 1112 "ipv4_pim" 1113 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_PIM \ 1114 "ipv6_pim" 1115 #define DEVLINK_TRAP_GENERIC_NAME_UC_LB \ 1116 "uc_loopback" 1117 #define DEVLINK_TRAP_GENERIC_NAME_LOCAL_ROUTE \ 1118 "local_route" 1119 #define DEVLINK_TRAP_GENERIC_NAME_EXTERNAL_ROUTE \ 1120 "external_route" 1121 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_UC_DIP_LINK_LOCAL_SCOPE \ 1122 "ipv6_uc_dip_link_local_scope" 1123 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_NODES \ 1124 "ipv6_dip_all_nodes" 1125 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_ROUTERS \ 1126 "ipv6_dip_all_routers" 1127 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_SOLICIT \ 1128 "ipv6_router_solicit" 1129 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ADVERT \ 1130 "ipv6_router_advert" 1131 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_REDIRECT \ 1132 "ipv6_redirect" 1133 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_ROUTER_ALERT \ 1134 "ipv4_router_alert" 1135 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ALERT \ 1136 "ipv6_router_alert" 1137 #define DEVLINK_TRAP_GENERIC_NAME_PTP_EVENT \ 1138 "ptp_event" 1139 #define DEVLINK_TRAP_GENERIC_NAME_PTP_GENERAL \ 1140 "ptp_general" 1141 #define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_SAMPLE \ 1142 "flow_action_sample" 1143 #define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_TRAP \ 1144 "flow_action_trap" 1145 #define DEVLINK_TRAP_GENERIC_NAME_EARLY_DROP \ 1146 "early_drop" 1147 #define DEVLINK_TRAP_GENERIC_NAME_VXLAN_PARSING \ 1148 "vxlan_parsing" 1149 #define DEVLINK_TRAP_GENERIC_NAME_LLC_SNAP_PARSING \ 1150 "llc_snap_parsing" 1151 #define DEVLINK_TRAP_GENERIC_NAME_VLAN_PARSING \ 1152 "vlan_parsing" 1153 #define DEVLINK_TRAP_GENERIC_NAME_PPPOE_PPP_PARSING \ 1154 "pppoe_ppp_parsing" 1155 #define DEVLINK_TRAP_GENERIC_NAME_MPLS_PARSING \ 1156 "mpls_parsing" 1157 #define DEVLINK_TRAP_GENERIC_NAME_ARP_PARSING \ 1158 "arp_parsing" 1159 #define DEVLINK_TRAP_GENERIC_NAME_IP_1_PARSING \ 1160 "ip_1_parsing" 1161 #define DEVLINK_TRAP_GENERIC_NAME_IP_N_PARSING \ 1162 "ip_n_parsing" 1163 #define DEVLINK_TRAP_GENERIC_NAME_GRE_PARSING \ 1164 "gre_parsing" 1165 #define DEVLINK_TRAP_GENERIC_NAME_UDP_PARSING \ 1166 "udp_parsing" 1167 #define DEVLINK_TRAP_GENERIC_NAME_TCP_PARSING \ 1168 "tcp_parsing" 1169 #define DEVLINK_TRAP_GENERIC_NAME_IPSEC_PARSING \ 1170 "ipsec_parsing" 1171 #define DEVLINK_TRAP_GENERIC_NAME_SCTP_PARSING \ 1172 "sctp_parsing" 1173 #define DEVLINK_TRAP_GENERIC_NAME_DCCP_PARSING \ 1174 "dccp_parsing" 1175 #define DEVLINK_TRAP_GENERIC_NAME_GTP_PARSING \ 1176 "gtp_parsing" 1177 #define DEVLINK_TRAP_GENERIC_NAME_ESP_PARSING \ 1178 "esp_parsing" 1179 #define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_NEXTHOP \ 1180 "blackhole_nexthop" 1181 #define DEVLINK_TRAP_GENERIC_NAME_DMAC_FILTER \ 1182 "dmac_filter" 1183 #define DEVLINK_TRAP_GENERIC_NAME_EAPOL \ 1184 "eapol" 1185 #define DEVLINK_TRAP_GENERIC_NAME_LOCKED_PORT \ 1186 "locked_port" 1187 1188 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L2_DROPS \ 1189 "l2_drops" 1190 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_DROPS \ 1191 "l3_drops" 1192 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_EXCEPTIONS \ 1193 "l3_exceptions" 1194 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BUFFER_DROPS \ 1195 "buffer_drops" 1196 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_TUNNEL_DROPS \ 1197 "tunnel_drops" 1198 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_DROPS \ 1199 "acl_drops" 1200 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_STP \ 1201 "stp" 1202 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LACP \ 1203 "lacp" 1204 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LLDP \ 1205 "lldp" 1206 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_MC_SNOOPING \ 1207 "mc_snooping" 1208 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_DHCP \ 1209 "dhcp" 1210 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_NEIGH_DISCOVERY \ 1211 "neigh_discovery" 1212 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BFD \ 1213 "bfd" 1214 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_OSPF \ 1215 "ospf" 1216 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BGP \ 1217 "bgp" 1218 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_VRRP \ 1219 "vrrp" 1220 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PIM \ 1221 "pim" 1222 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_UC_LB \ 1223 "uc_loopback" 1224 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LOCAL_DELIVERY \ 1225 "local_delivery" 1226 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_EXTERNAL_DELIVERY \ 1227 "external_delivery" 1228 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_IPV6 \ 1229 "ipv6" 1230 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_EVENT \ 1231 "ptp_event" 1232 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_GENERAL \ 1233 "ptp_general" 1234 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_SAMPLE \ 1235 "acl_sample" 1236 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_TRAP \ 1237 "acl_trap" 1238 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PARSER_ERROR_DROPS \ 1239 "parser_error_drops" 1240 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_EAPOL \ 1241 "eapol" 1242 1243 #define DEVLINK_TRAP_GENERIC(_type, _init_action, _id, _group_id, \ 1244 _metadata_cap) \ 1245 { \ 1246 .type = DEVLINK_TRAP_TYPE_##_type, \ 1247 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \ 1248 .generic = true, \ 1249 .id = DEVLINK_TRAP_GENERIC_ID_##_id, \ 1250 .name = DEVLINK_TRAP_GENERIC_NAME_##_id, \ 1251 .init_group_id = _group_id, \ 1252 .metadata_cap = _metadata_cap, \ 1253 } 1254 1255 #define DEVLINK_TRAP_DRIVER(_type, _init_action, _id, _name, _group_id, \ 1256 _metadata_cap) \ 1257 { \ 1258 .type = DEVLINK_TRAP_TYPE_##_type, \ 1259 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \ 1260 .generic = false, \ 1261 .id = _id, \ 1262 .name = _name, \ 1263 .init_group_id = _group_id, \ 1264 .metadata_cap = _metadata_cap, \ 1265 } 1266 1267 #define DEVLINK_TRAP_GROUP_GENERIC(_id, _policer_id) \ 1268 { \ 1269 .name = DEVLINK_TRAP_GROUP_GENERIC_NAME_##_id, \ 1270 .id = DEVLINK_TRAP_GROUP_GENERIC_ID_##_id, \ 1271 .generic = true, \ 1272 .init_policer_id = _policer_id, \ 1273 } 1274 1275 #define DEVLINK_TRAP_POLICER(_id, _rate, _burst, _max_rate, _min_rate, \ 1276 _max_burst, _min_burst) \ 1277 { \ 1278 .id = _id, \ 1279 .init_rate = _rate, \ 1280 .init_burst = _burst, \ 1281 .max_rate = _max_rate, \ 1282 .min_rate = _min_rate, \ 1283 .max_burst = _max_burst, \ 1284 .min_burst = _min_burst, \ 1285 } 1286 1287 #define devlink_fmsg_put(fmsg, name, value) ( \ 1288 _Generic((value), \ 1289 bool : devlink_fmsg_bool_pair_put, \ 1290 u8 : devlink_fmsg_u8_pair_put, \ 1291 u16 : devlink_fmsg_u32_pair_put, \ 1292 u32 : devlink_fmsg_u32_pair_put, \ 1293 u64 : devlink_fmsg_u64_pair_put, \ 1294 int : devlink_fmsg_u32_pair_put, \ 1295 char * : devlink_fmsg_string_pair_put, \ 1296 const char * : devlink_fmsg_string_pair_put) \ 1297 (fmsg, name, (value))) 1298 1299 enum { 1300 /* device supports reload operations */ 1301 DEVLINK_F_RELOAD = 1UL << 0, 1302 }; 1303 1304 struct devlink_ops { 1305 /** 1306 * @supported_flash_update_params: 1307 * mask of parameters supported by the driver's .flash_update 1308 * implementation. 1309 */ 1310 u32 supported_flash_update_params; 1311 unsigned long reload_actions; 1312 unsigned long reload_limits; 1313 int (*reload_down)(struct devlink *devlink, bool netns_change, 1314 enum devlink_reload_action action, 1315 enum devlink_reload_limit limit, 1316 struct netlink_ext_ack *extack); 1317 int (*reload_up)(struct devlink *devlink, enum devlink_reload_action action, 1318 enum devlink_reload_limit limit, u32 *actions_performed, 1319 struct netlink_ext_ack *extack); 1320 int (*sb_pool_get)(struct devlink *devlink, unsigned int sb_index, 1321 u16 pool_index, 1322 struct devlink_sb_pool_info *pool_info); 1323 int (*sb_pool_set)(struct devlink *devlink, unsigned int sb_index, 1324 u16 pool_index, u32 size, 1325 enum devlink_sb_threshold_type threshold_type, 1326 struct netlink_ext_ack *extack); 1327 int (*sb_port_pool_get)(struct devlink_port *devlink_port, 1328 unsigned int sb_index, u16 pool_index, 1329 u32 *p_threshold); 1330 int (*sb_port_pool_set)(struct devlink_port *devlink_port, 1331 unsigned int sb_index, u16 pool_index, 1332 u32 threshold, struct netlink_ext_ack *extack); 1333 int (*sb_tc_pool_bind_get)(struct devlink_port *devlink_port, 1334 unsigned int sb_index, 1335 u16 tc_index, 1336 enum devlink_sb_pool_type pool_type, 1337 u16 *p_pool_index, u32 *p_threshold); 1338 int (*sb_tc_pool_bind_set)(struct devlink_port *devlink_port, 1339 unsigned int sb_index, 1340 u16 tc_index, 1341 enum devlink_sb_pool_type pool_type, 1342 u16 pool_index, u32 threshold, 1343 struct netlink_ext_ack *extack); 1344 int (*sb_occ_snapshot)(struct devlink *devlink, 1345 unsigned int sb_index); 1346 int (*sb_occ_max_clear)(struct devlink *devlink, 1347 unsigned int sb_index); 1348 int (*sb_occ_port_pool_get)(struct devlink_port *devlink_port, 1349 unsigned int sb_index, u16 pool_index, 1350 u32 *p_cur, u32 *p_max); 1351 int (*sb_occ_tc_port_bind_get)(struct devlink_port *devlink_port, 1352 unsigned int sb_index, 1353 u16 tc_index, 1354 enum devlink_sb_pool_type pool_type, 1355 u32 *p_cur, u32 *p_max); 1356 1357 int (*eswitch_mode_get)(struct devlink *devlink, u16 *p_mode); 1358 int (*eswitch_mode_set)(struct devlink *devlink, u16 mode, 1359 struct netlink_ext_ack *extack); 1360 int (*eswitch_inline_mode_get)(struct devlink *devlink, u8 *p_inline_mode); 1361 int (*eswitch_inline_mode_set)(struct devlink *devlink, u8 inline_mode, 1362 struct netlink_ext_ack *extack); 1363 int (*eswitch_encap_mode_get)(struct devlink *devlink, 1364 enum devlink_eswitch_encap_mode *p_encap_mode); 1365 int (*eswitch_encap_mode_set)(struct devlink *devlink, 1366 enum devlink_eswitch_encap_mode encap_mode, 1367 struct netlink_ext_ack *extack); 1368 int (*info_get)(struct devlink *devlink, struct devlink_info_req *req, 1369 struct netlink_ext_ack *extack); 1370 /** 1371 * @flash_update: Device flash update function 1372 * 1373 * Used to perform a flash update for the device. The set of 1374 * parameters supported by the driver should be set in 1375 * supported_flash_update_params. 1376 */ 1377 int (*flash_update)(struct devlink *devlink, 1378 struct devlink_flash_update_params *params, 1379 struct netlink_ext_ack *extack); 1380 /** 1381 * @trap_init: Trap initialization function. 1382 * 1383 * Should be used by device drivers to initialize the trap in the 1384 * underlying device. Drivers should also store the provided trap 1385 * context, so that they could efficiently pass it to 1386 * devlink_trap_report() when the trap is triggered. 1387 */ 1388 int (*trap_init)(struct devlink *devlink, 1389 const struct devlink_trap *trap, void *trap_ctx); 1390 /** 1391 * @trap_fini: Trap de-initialization function. 1392 * 1393 * Should be used by device drivers to de-initialize the trap in the 1394 * underlying device. 1395 */ 1396 void (*trap_fini)(struct devlink *devlink, 1397 const struct devlink_trap *trap, void *trap_ctx); 1398 /** 1399 * @trap_action_set: Trap action set function. 1400 */ 1401 int (*trap_action_set)(struct devlink *devlink, 1402 const struct devlink_trap *trap, 1403 enum devlink_trap_action action, 1404 struct netlink_ext_ack *extack); 1405 /** 1406 * @trap_group_init: Trap group initialization function. 1407 * 1408 * Should be used by device drivers to initialize the trap group in the 1409 * underlying device. 1410 */ 1411 int (*trap_group_init)(struct devlink *devlink, 1412 const struct devlink_trap_group *group); 1413 /** 1414 * @trap_group_set: Trap group parameters set function. 1415 * 1416 * Note: @policer can be NULL when a policer is being unbound from 1417 * @group. 1418 */ 1419 int (*trap_group_set)(struct devlink *devlink, 1420 const struct devlink_trap_group *group, 1421 const struct devlink_trap_policer *policer, 1422 struct netlink_ext_ack *extack); 1423 /** 1424 * @trap_group_action_set: Trap group action set function. 1425 * 1426 * If this callback is populated, it will take precedence over looping 1427 * over all traps in a group and calling .trap_action_set(). 1428 */ 1429 int (*trap_group_action_set)(struct devlink *devlink, 1430 const struct devlink_trap_group *group, 1431 enum devlink_trap_action action, 1432 struct netlink_ext_ack *extack); 1433 /** 1434 * @trap_drop_counter_get: Trap drop counter get function. 1435 * 1436 * Should be used by device drivers to report number of packets 1437 * that have been dropped, and cannot be passed to the devlink 1438 * subsystem by the underlying device. 1439 */ 1440 int (*trap_drop_counter_get)(struct devlink *devlink, 1441 const struct devlink_trap *trap, 1442 u64 *p_drops); 1443 /** 1444 * @trap_policer_init: Trap policer initialization function. 1445 * 1446 * Should be used by device drivers to initialize the trap policer in 1447 * the underlying device. 1448 */ 1449 int (*trap_policer_init)(struct devlink *devlink, 1450 const struct devlink_trap_policer *policer); 1451 /** 1452 * @trap_policer_fini: Trap policer de-initialization function. 1453 * 1454 * Should be used by device drivers to de-initialize the trap policer 1455 * in the underlying device. 1456 */ 1457 void (*trap_policer_fini)(struct devlink *devlink, 1458 const struct devlink_trap_policer *policer); 1459 /** 1460 * @trap_policer_set: Trap policer parameters set function. 1461 */ 1462 int (*trap_policer_set)(struct devlink *devlink, 1463 const struct devlink_trap_policer *policer, 1464 u64 rate, u64 burst, 1465 struct netlink_ext_ack *extack); 1466 /** 1467 * @trap_policer_counter_get: Trap policer counter get function. 1468 * 1469 * Should be used by device drivers to report number of packets dropped 1470 * by the policer. 1471 */ 1472 int (*trap_policer_counter_get)(struct devlink *devlink, 1473 const struct devlink_trap_policer *policer, 1474 u64 *p_drops); 1475 /** 1476 * port_new() - Add a new port function of a specified flavor 1477 * @devlink: Devlink instance 1478 * @attrs: attributes of the new port 1479 * @extack: extack for reporting error messages 1480 * @devlink_port: pointer to store new devlink port pointer 1481 * 1482 * Devlink core will call this device driver function upon user request 1483 * to create a new port function of a specified flavor and optional 1484 * attributes 1485 * 1486 * Notes: 1487 * - On success, drivers must register a port with devlink core 1488 * 1489 * Return: 0 on success, negative value otherwise. 1490 */ 1491 int (*port_new)(struct devlink *devlink, 1492 const struct devlink_port_new_attrs *attrs, 1493 struct netlink_ext_ack *extack, 1494 struct devlink_port **devlink_port); 1495 1496 /** 1497 * Rate control callbacks. 1498 */ 1499 int (*rate_leaf_tx_share_set)(struct devlink_rate *devlink_rate, void *priv, 1500 u64 tx_share, struct netlink_ext_ack *extack); 1501 int (*rate_leaf_tx_max_set)(struct devlink_rate *devlink_rate, void *priv, 1502 u64 tx_max, struct netlink_ext_ack *extack); 1503 int (*rate_leaf_tx_priority_set)(struct devlink_rate *devlink_rate, void *priv, 1504 u32 tx_priority, struct netlink_ext_ack *extack); 1505 int (*rate_leaf_tx_weight_set)(struct devlink_rate *devlink_rate, void *priv, 1506 u32 tx_weight, struct netlink_ext_ack *extack); 1507 int (*rate_leaf_tc_bw_set)(struct devlink_rate *devlink_rate, 1508 void *priv, u32 *tc_bw, 1509 struct netlink_ext_ack *extack); 1510 int (*rate_node_tx_share_set)(struct devlink_rate *devlink_rate, void *priv, 1511 u64 tx_share, struct netlink_ext_ack *extack); 1512 int (*rate_node_tx_max_set)(struct devlink_rate *devlink_rate, void *priv, 1513 u64 tx_max, struct netlink_ext_ack *extack); 1514 int (*rate_node_tx_priority_set)(struct devlink_rate *devlink_rate, void *priv, 1515 u32 tx_priority, struct netlink_ext_ack *extack); 1516 int (*rate_node_tx_weight_set)(struct devlink_rate *devlink_rate, void *priv, 1517 u32 tx_weight, struct netlink_ext_ack *extack); 1518 int (*rate_node_tc_bw_set)(struct devlink_rate *devlink_rate, 1519 void *priv, u32 *tc_bw, 1520 struct netlink_ext_ack *extack); 1521 int (*rate_node_new)(struct devlink_rate *rate_node, void **priv, 1522 struct netlink_ext_ack *extack); 1523 int (*rate_node_del)(struct devlink_rate *rate_node, void *priv, 1524 struct netlink_ext_ack *extack); 1525 int (*rate_leaf_parent_set)(struct devlink_rate *child, 1526 struct devlink_rate *parent, 1527 void *priv_child, void *priv_parent, 1528 struct netlink_ext_ack *extack); 1529 int (*rate_node_parent_set)(struct devlink_rate *child, 1530 struct devlink_rate *parent, 1531 void *priv_child, void *priv_parent, 1532 struct netlink_ext_ack *extack); 1533 /** 1534 * selftests_check() - queries if selftest is supported 1535 * @devlink: devlink instance 1536 * @id: test index 1537 * @extack: extack for reporting error messages 1538 * 1539 * Return: true if test is supported by the driver 1540 */ 1541 bool (*selftest_check)(struct devlink *devlink, unsigned int id, 1542 struct netlink_ext_ack *extack); 1543 /** 1544 * selftest_run() - Runs a selftest 1545 * @devlink: devlink instance 1546 * @id: test index 1547 * @extack: extack for reporting error messages 1548 * 1549 * Return: status of the test 1550 */ 1551 enum devlink_selftest_status 1552 (*selftest_run)(struct devlink *devlink, unsigned int id, 1553 struct netlink_ext_ack *extack); 1554 }; 1555 1556 void *devlink_priv(struct devlink *devlink); 1557 struct devlink *priv_to_devlink(void *priv); 1558 struct device *devlink_to_dev(const struct devlink *devlink); 1559 1560 /* Devlink instance explicit locking */ 1561 void devl_lock(struct devlink *devlink); 1562 int devl_trylock(struct devlink *devlink); 1563 void devl_unlock(struct devlink *devlink); 1564 void devl_assert_locked(struct devlink *devlink); 1565 bool devl_lock_is_held(struct devlink *devlink); 1566 DEFINE_GUARD(devl, struct devlink *, devl_lock(_T), devl_unlock(_T)); 1567 1568 struct ib_device; 1569 1570 struct net *devlink_net(const struct devlink *devlink); 1571 /* This call is intended for software devices that can create 1572 * devlink instances in other namespaces than init_net. 1573 * 1574 * Drivers that operate on real HW must use devlink_alloc() instead. 1575 */ 1576 struct devlink *devlink_alloc_ns(const struct devlink_ops *ops, 1577 size_t priv_size, struct net *net, 1578 struct device *dev); 1579 static inline struct devlink *devlink_alloc(const struct devlink_ops *ops, 1580 size_t priv_size, 1581 struct device *dev) 1582 { 1583 return devlink_alloc_ns(ops, priv_size, &init_net, dev); 1584 } 1585 1586 int devl_register(struct devlink *devlink); 1587 void devl_unregister(struct devlink *devlink); 1588 void devlink_register(struct devlink *devlink); 1589 void devlink_unregister(struct devlink *devlink); 1590 void devlink_free(struct devlink *devlink); 1591 1592 /** 1593 * struct devlink_port_ops - Port operations 1594 * @port_split: Callback used to split the port into multiple ones. 1595 * @port_unsplit: Callback used to unsplit the port group back into 1596 * a single port. 1597 * @port_type_set: Callback used to set a type of a port. 1598 * @port_del: Callback used to delete selected port along with related function. 1599 * Devlink core calls this upon user request to delete 1600 * a port previously created by devlink_ops->port_new(). 1601 * @port_fn_hw_addr_get: Callback used to set port function's hardware address. 1602 * Should be used by device drivers to report 1603 * the hardware address of a function managed 1604 * by the devlink port. 1605 * @port_fn_hw_addr_set: Callback used to set port function's hardware address. 1606 * Should be used by device drivers to set the hardware 1607 * address of a function managed by the devlink port. 1608 * @port_fn_roce_get: Callback used to get port function's RoCE capability. 1609 * Should be used by device drivers to report 1610 * the current state of RoCE capability of a function 1611 * managed by the devlink port. 1612 * @port_fn_roce_set: Callback used to set port function's RoCE capability. 1613 * Should be used by device drivers to enable/disable 1614 * RoCE capability of a function managed 1615 * by the devlink port. 1616 * @port_fn_migratable_get: Callback used to get port function's migratable 1617 * capability. Should be used by device drivers 1618 * to report the current state of migratable capability 1619 * of a function managed by the devlink port. 1620 * @port_fn_migratable_set: Callback used to set port function's migratable 1621 * capability. Should be used by device drivers 1622 * to enable/disable migratable capability of 1623 * a function managed by the devlink port. 1624 * @port_fn_state_get: Callback used to get port function's state. 1625 * Should be used by device drivers to report 1626 * the current admin and operational state of a 1627 * function managed by the devlink port. 1628 * @port_fn_state_set: Callback used to get port function's state. 1629 * Should be used by device drivers set 1630 * the admin state of a function managed 1631 * by the devlink port. 1632 * @port_fn_ipsec_crypto_get: Callback used to get port function's ipsec_crypto 1633 * capability. Should be used by device drivers 1634 * to report the current state of ipsec_crypto 1635 * capability of a function managed by the devlink 1636 * port. 1637 * @port_fn_ipsec_crypto_set: Callback used to set port function's ipsec_crypto 1638 * capability. Should be used by device drivers to 1639 * enable/disable ipsec_crypto capability of a 1640 * function managed by the devlink port. 1641 * @port_fn_ipsec_packet_get: Callback used to get port function's ipsec_packet 1642 * capability. Should be used by device drivers 1643 * to report the current state of ipsec_packet 1644 * capability of a function managed by the devlink 1645 * port. 1646 * @port_fn_ipsec_packet_set: Callback used to set port function's ipsec_packet 1647 * capability. Should be used by device drivers to 1648 * enable/disable ipsec_packet capability of a 1649 * function managed by the devlink port. 1650 * @port_fn_max_io_eqs_get: Callback used to get port function's maximum number 1651 * of event queues. Should be used by device drivers to 1652 * report the maximum event queues of a function 1653 * managed by the devlink port. 1654 * @port_fn_max_io_eqs_set: Callback used to set port function's maximum number 1655 * of event queues. Should be used by device drivers to 1656 * configure maximum number of event queues 1657 * of a function managed by the devlink port. 1658 * 1659 * Note: Driver should return -EOPNOTSUPP if it doesn't support 1660 * port function (@port_fn_*) handling for a particular port. 1661 */ 1662 struct devlink_port_ops { 1663 int (*port_split)(struct devlink *devlink, struct devlink_port *port, 1664 unsigned int count, struct netlink_ext_ack *extack); 1665 int (*port_unsplit)(struct devlink *devlink, struct devlink_port *port, 1666 struct netlink_ext_ack *extack); 1667 int (*port_type_set)(struct devlink_port *devlink_port, 1668 enum devlink_port_type port_type); 1669 int (*port_del)(struct devlink *devlink, struct devlink_port *port, 1670 struct netlink_ext_ack *extack); 1671 int (*port_fn_hw_addr_get)(struct devlink_port *port, u8 *hw_addr, 1672 int *hw_addr_len, 1673 struct netlink_ext_ack *extack); 1674 int (*port_fn_hw_addr_set)(struct devlink_port *port, 1675 const u8 *hw_addr, int hw_addr_len, 1676 struct netlink_ext_ack *extack); 1677 int (*port_fn_roce_get)(struct devlink_port *devlink_port, 1678 bool *is_enable, 1679 struct netlink_ext_ack *extack); 1680 int (*port_fn_roce_set)(struct devlink_port *devlink_port, 1681 bool enable, struct netlink_ext_ack *extack); 1682 int (*port_fn_migratable_get)(struct devlink_port *devlink_port, 1683 bool *is_enable, 1684 struct netlink_ext_ack *extack); 1685 int (*port_fn_migratable_set)(struct devlink_port *devlink_port, 1686 bool enable, 1687 struct netlink_ext_ack *extack); 1688 int (*port_fn_state_get)(struct devlink_port *port, 1689 enum devlink_port_fn_state *state, 1690 enum devlink_port_fn_opstate *opstate, 1691 struct netlink_ext_ack *extack); 1692 int (*port_fn_state_set)(struct devlink_port *port, 1693 enum devlink_port_fn_state state, 1694 struct netlink_ext_ack *extack); 1695 int (*port_fn_ipsec_crypto_get)(struct devlink_port *devlink_port, 1696 bool *is_enable, 1697 struct netlink_ext_ack *extack); 1698 int (*port_fn_ipsec_crypto_set)(struct devlink_port *devlink_port, 1699 bool enable, 1700 struct netlink_ext_ack *extack); 1701 int (*port_fn_ipsec_packet_get)(struct devlink_port *devlink_port, 1702 bool *is_enable, 1703 struct netlink_ext_ack *extack); 1704 int (*port_fn_ipsec_packet_set)(struct devlink_port *devlink_port, 1705 bool enable, 1706 struct netlink_ext_ack *extack); 1707 int (*port_fn_max_io_eqs_get)(struct devlink_port *devlink_port, 1708 u32 *max_eqs, 1709 struct netlink_ext_ack *extack); 1710 int (*port_fn_max_io_eqs_set)(struct devlink_port *devlink_port, 1711 u32 max_eqs, 1712 struct netlink_ext_ack *extack); 1713 }; 1714 1715 void devlink_port_init(struct devlink *devlink, 1716 struct devlink_port *devlink_port); 1717 void devlink_port_fini(struct devlink_port *devlink_port); 1718 1719 int devl_port_register_with_ops(struct devlink *devlink, 1720 struct devlink_port *devlink_port, 1721 unsigned int port_index, 1722 const struct devlink_port_ops *ops); 1723 1724 static inline int devl_port_register(struct devlink *devlink, 1725 struct devlink_port *devlink_port, 1726 unsigned int port_index) 1727 { 1728 return devl_port_register_with_ops(devlink, devlink_port, 1729 port_index, NULL); 1730 } 1731 1732 int devlink_port_register_with_ops(struct devlink *devlink, 1733 struct devlink_port *devlink_port, 1734 unsigned int port_index, 1735 const struct devlink_port_ops *ops); 1736 1737 static inline int devlink_port_register(struct devlink *devlink, 1738 struct devlink_port *devlink_port, 1739 unsigned int port_index) 1740 { 1741 return devlink_port_register_with_ops(devlink, devlink_port, 1742 port_index, NULL); 1743 } 1744 1745 void devl_port_unregister(struct devlink_port *devlink_port); 1746 void devlink_port_unregister(struct devlink_port *devlink_port); 1747 void devlink_port_type_eth_set(struct devlink_port *devlink_port); 1748 void devlink_port_type_ib_set(struct devlink_port *devlink_port, 1749 struct ib_device *ibdev); 1750 void devlink_port_type_clear(struct devlink_port *devlink_port); 1751 void devlink_port_attrs_set(struct devlink_port *devlink_port, 1752 const struct devlink_port_attrs *attrs); 1753 void devlink_port_attrs_pci_pf_set(struct devlink_port *devlink_port, u32 controller, 1754 u16 pf, bool external); 1755 void devlink_port_attrs_pci_vf_set(struct devlink_port *devlink_port, u32 controller, 1756 u16 pf, u16 vf, bool external); 1757 void devlink_port_attrs_pci_sf_set(struct devlink_port *devlink_port, 1758 u32 controller, u16 pf, u32 sf, 1759 bool external); 1760 int devl_port_fn_devlink_set(struct devlink_port *devlink_port, 1761 struct devlink *fn_devlink); 1762 struct devlink_rate * 1763 devl_rate_node_create(struct devlink *devlink, void *priv, char *node_name, 1764 struct devlink_rate *parent); 1765 int 1766 devl_rate_leaf_create(struct devlink_port *devlink_port, void *priv, 1767 struct devlink_rate *parent); 1768 void devl_rate_leaf_destroy(struct devlink_port *devlink_port); 1769 void devl_rate_nodes_destroy(struct devlink *devlink); 1770 void devlink_port_linecard_set(struct devlink_port *devlink_port, 1771 struct devlink_linecard *linecard); 1772 struct devlink_linecard * 1773 devl_linecard_create(struct devlink *devlink, unsigned int linecard_index, 1774 const struct devlink_linecard_ops *ops, void *priv); 1775 void devl_linecard_destroy(struct devlink_linecard *linecard); 1776 void devlink_linecard_provision_set(struct devlink_linecard *linecard, 1777 const char *type); 1778 void devlink_linecard_provision_clear(struct devlink_linecard *linecard); 1779 void devlink_linecard_provision_fail(struct devlink_linecard *linecard); 1780 void devlink_linecard_activate(struct devlink_linecard *linecard); 1781 void devlink_linecard_deactivate(struct devlink_linecard *linecard); 1782 int devlink_linecard_nested_dl_set(struct devlink_linecard *linecard, 1783 struct devlink *nested_devlink); 1784 int devl_sb_register(struct devlink *devlink, unsigned int sb_index, 1785 u32 size, u16 ingress_pools_count, 1786 u16 egress_pools_count, u16 ingress_tc_count, 1787 u16 egress_tc_count); 1788 int devlink_sb_register(struct devlink *devlink, unsigned int sb_index, 1789 u32 size, u16 ingress_pools_count, 1790 u16 egress_pools_count, u16 ingress_tc_count, 1791 u16 egress_tc_count); 1792 void devl_sb_unregister(struct devlink *devlink, unsigned int sb_index); 1793 void devlink_sb_unregister(struct devlink *devlink, unsigned int sb_index); 1794 int devl_dpipe_table_register(struct devlink *devlink, 1795 const char *table_name, 1796 const struct devlink_dpipe_table_ops *table_ops, 1797 void *priv, bool counter_control_extern); 1798 void devl_dpipe_table_unregister(struct devlink *devlink, 1799 const char *table_name); 1800 void devl_dpipe_headers_register(struct devlink *devlink, 1801 struct devlink_dpipe_headers *dpipe_headers); 1802 void devl_dpipe_headers_unregister(struct devlink *devlink); 1803 bool devlink_dpipe_table_counter_enabled(struct devlink *devlink, 1804 const char *table_name); 1805 int devlink_dpipe_entry_ctx_prepare(struct devlink_dpipe_dump_ctx *dump_ctx); 1806 int devlink_dpipe_entry_ctx_append(struct devlink_dpipe_dump_ctx *dump_ctx, 1807 struct devlink_dpipe_entry *entry); 1808 int devlink_dpipe_entry_ctx_close(struct devlink_dpipe_dump_ctx *dump_ctx); 1809 void devlink_dpipe_entry_clear(struct devlink_dpipe_entry *entry); 1810 int devlink_dpipe_action_put(struct sk_buff *skb, 1811 struct devlink_dpipe_action *action); 1812 int devlink_dpipe_match_put(struct sk_buff *skb, 1813 struct devlink_dpipe_match *match); 1814 extern struct devlink_dpipe_header devlink_dpipe_header_ethernet; 1815 extern struct devlink_dpipe_header devlink_dpipe_header_ipv4; 1816 extern struct devlink_dpipe_header devlink_dpipe_header_ipv6; 1817 1818 int devl_resource_register(struct devlink *devlink, 1819 const char *resource_name, 1820 u64 resource_size, 1821 u64 resource_id, 1822 u64 parent_resource_id, 1823 const struct devlink_resource_size_params *size_params); 1824 void devl_resources_unregister(struct devlink *devlink); 1825 void devlink_resources_unregister(struct devlink *devlink); 1826 int devl_resource_size_get(struct devlink *devlink, 1827 u64 resource_id, 1828 u64 *p_resource_size); 1829 int devl_dpipe_table_resource_set(struct devlink *devlink, 1830 const char *table_name, u64 resource_id, 1831 u64 resource_units); 1832 void devl_resource_occ_get_register(struct devlink *devlink, 1833 u64 resource_id, 1834 devlink_resource_occ_get_t *occ_get, 1835 void *occ_get_priv); 1836 void devl_resource_occ_get_unregister(struct devlink *devlink, 1837 u64 resource_id); 1838 int devl_params_register(struct devlink *devlink, 1839 const struct devlink_param *params, 1840 size_t params_count); 1841 int devlink_params_register(struct devlink *devlink, 1842 const struct devlink_param *params, 1843 size_t params_count); 1844 void devl_params_unregister(struct devlink *devlink, 1845 const struct devlink_param *params, 1846 size_t params_count); 1847 void devlink_params_unregister(struct devlink *devlink, 1848 const struct devlink_param *params, 1849 size_t params_count); 1850 int devl_param_driverinit_value_get(struct devlink *devlink, u32 param_id, 1851 union devlink_param_value *val); 1852 void devl_param_driverinit_value_set(struct devlink *devlink, u32 param_id, 1853 union devlink_param_value init_val); 1854 void devl_param_value_changed(struct devlink *devlink, u32 param_id); 1855 struct devlink_region *devl_region_create(struct devlink *devlink, 1856 const struct devlink_region_ops *ops, 1857 u32 region_max_snapshots, 1858 u64 region_size); 1859 struct devlink_region * 1860 devlink_region_create(struct devlink *devlink, 1861 const struct devlink_region_ops *ops, 1862 u32 region_max_snapshots, u64 region_size); 1863 struct devlink_region * 1864 devlink_port_region_create(struct devlink_port *port, 1865 const struct devlink_port_region_ops *ops, 1866 u32 region_max_snapshots, u64 region_size); 1867 void devl_region_destroy(struct devlink_region *region); 1868 void devlink_region_destroy(struct devlink_region *region); 1869 int devlink_region_snapshot_id_get(struct devlink *devlink, u32 *id); 1870 void devlink_region_snapshot_id_put(struct devlink *devlink, u32 id); 1871 int devlink_region_snapshot_create(struct devlink_region *region, 1872 u8 *data, u32 snapshot_id); 1873 int devlink_info_serial_number_put(struct devlink_info_req *req, 1874 const char *sn); 1875 int devlink_info_board_serial_number_put(struct devlink_info_req *req, 1876 const char *bsn); 1877 1878 enum devlink_info_version_type { 1879 DEVLINK_INFO_VERSION_TYPE_NONE, 1880 DEVLINK_INFO_VERSION_TYPE_COMPONENT, /* May be used as flash update 1881 * component by name. 1882 */ 1883 }; 1884 1885 int devlink_info_version_fixed_put(struct devlink_info_req *req, 1886 const char *version_name, 1887 const char *version_value); 1888 int devlink_info_version_stored_put(struct devlink_info_req *req, 1889 const char *version_name, 1890 const char *version_value); 1891 int devlink_info_version_stored_put_ext(struct devlink_info_req *req, 1892 const char *version_name, 1893 const char *version_value, 1894 enum devlink_info_version_type version_type); 1895 int devlink_info_version_running_put(struct devlink_info_req *req, 1896 const char *version_name, 1897 const char *version_value); 1898 int devlink_info_version_running_put_ext(struct devlink_info_req *req, 1899 const char *version_name, 1900 const char *version_value, 1901 enum devlink_info_version_type version_type); 1902 1903 void devlink_fmsg_obj_nest_start(struct devlink_fmsg *fmsg); 1904 void devlink_fmsg_obj_nest_end(struct devlink_fmsg *fmsg); 1905 1906 void devlink_fmsg_pair_nest_start(struct devlink_fmsg *fmsg, const char *name); 1907 void devlink_fmsg_pair_nest_end(struct devlink_fmsg *fmsg); 1908 1909 void devlink_fmsg_arr_pair_nest_start(struct devlink_fmsg *fmsg, 1910 const char *name); 1911 void devlink_fmsg_arr_pair_nest_end(struct devlink_fmsg *fmsg); 1912 void devlink_fmsg_binary_pair_nest_start(struct devlink_fmsg *fmsg, 1913 const char *name); 1914 void devlink_fmsg_binary_pair_nest_end(struct devlink_fmsg *fmsg); 1915 1916 void devlink_fmsg_u32_put(struct devlink_fmsg *fmsg, u32 value); 1917 void devlink_fmsg_string_put(struct devlink_fmsg *fmsg, const char *value); 1918 void devlink_fmsg_binary_put(struct devlink_fmsg *fmsg, const void *value, 1919 u16 value_len); 1920 1921 void devlink_fmsg_bool_pair_put(struct devlink_fmsg *fmsg, const char *name, 1922 bool value); 1923 void devlink_fmsg_u8_pair_put(struct devlink_fmsg *fmsg, const char *name, 1924 u8 value); 1925 void devlink_fmsg_u32_pair_put(struct devlink_fmsg *fmsg, const char *name, 1926 u32 value); 1927 void devlink_fmsg_u64_pair_put(struct devlink_fmsg *fmsg, const char *name, 1928 u64 value); 1929 void devlink_fmsg_string_pair_put(struct devlink_fmsg *fmsg, const char *name, 1930 const char *value); 1931 void devlink_fmsg_binary_pair_put(struct devlink_fmsg *fmsg, const char *name, 1932 const void *value, u32 value_len); 1933 1934 struct devlink_health_reporter * 1935 devl_port_health_reporter_create(struct devlink_port *port, 1936 const struct devlink_health_reporter_ops *ops, 1937 void *priv); 1938 1939 struct devlink_health_reporter * 1940 devlink_port_health_reporter_create(struct devlink_port *port, 1941 const struct devlink_health_reporter_ops *ops, 1942 void *priv); 1943 1944 struct devlink_health_reporter * 1945 devl_health_reporter_create(struct devlink *devlink, 1946 const struct devlink_health_reporter_ops *ops, 1947 void *priv); 1948 1949 struct devlink_health_reporter * 1950 devlink_health_reporter_create(struct devlink *devlink, 1951 const struct devlink_health_reporter_ops *ops, 1952 void *priv); 1953 1954 void 1955 devl_health_reporter_destroy(struct devlink_health_reporter *reporter); 1956 1957 void 1958 devlink_health_reporter_destroy(struct devlink_health_reporter *reporter); 1959 1960 void * 1961 devlink_health_reporter_priv(struct devlink_health_reporter *reporter); 1962 int devlink_health_report(struct devlink_health_reporter *reporter, 1963 const char *msg, void *priv_ctx); 1964 void 1965 devlink_health_reporter_state_update(struct devlink_health_reporter *reporter, 1966 enum devlink_health_reporter_state state); 1967 void 1968 devlink_health_reporter_recovery_done(struct devlink_health_reporter *reporter); 1969 1970 int devl_nested_devlink_set(struct devlink *devlink, 1971 struct devlink *nested_devlink); 1972 bool devlink_is_reload_failed(const struct devlink *devlink); 1973 void devlink_remote_reload_actions_performed(struct devlink *devlink, 1974 enum devlink_reload_limit limit, 1975 u32 actions_performed); 1976 1977 void devlink_flash_update_status_notify(struct devlink *devlink, 1978 const char *status_msg, 1979 const char *component, 1980 unsigned long done, 1981 unsigned long total); 1982 void devlink_flash_update_timeout_notify(struct devlink *devlink, 1983 const char *status_msg, 1984 const char *component, 1985 unsigned long timeout); 1986 1987 int devl_traps_register(struct devlink *devlink, 1988 const struct devlink_trap *traps, 1989 size_t traps_count, void *priv); 1990 int devlink_traps_register(struct devlink *devlink, 1991 const struct devlink_trap *traps, 1992 size_t traps_count, void *priv); 1993 void devl_traps_unregister(struct devlink *devlink, 1994 const struct devlink_trap *traps, 1995 size_t traps_count); 1996 void devlink_traps_unregister(struct devlink *devlink, 1997 const struct devlink_trap *traps, 1998 size_t traps_count); 1999 void devlink_trap_report(struct devlink *devlink, struct sk_buff *skb, 2000 void *trap_ctx, struct devlink_port *in_devlink_port, 2001 const struct flow_action_cookie *fa_cookie); 2002 void *devlink_trap_ctx_priv(void *trap_ctx); 2003 int devl_trap_groups_register(struct devlink *devlink, 2004 const struct devlink_trap_group *groups, 2005 size_t groups_count); 2006 int devlink_trap_groups_register(struct devlink *devlink, 2007 const struct devlink_trap_group *groups, 2008 size_t groups_count); 2009 void devl_trap_groups_unregister(struct devlink *devlink, 2010 const struct devlink_trap_group *groups, 2011 size_t groups_count); 2012 void devlink_trap_groups_unregister(struct devlink *devlink, 2013 const struct devlink_trap_group *groups, 2014 size_t groups_count); 2015 int 2016 devl_trap_policers_register(struct devlink *devlink, 2017 const struct devlink_trap_policer *policers, 2018 size_t policers_count); 2019 void 2020 devl_trap_policers_unregister(struct devlink *devlink, 2021 const struct devlink_trap_policer *policers, 2022 size_t policers_count); 2023 2024 #if IS_ENABLED(CONFIG_NET_DEVLINK) 2025 2026 struct devlink *__must_check devlink_try_get(struct devlink *devlink); 2027 void devlink_put(struct devlink *devlink); 2028 2029 void devlink_compat_running_version(struct devlink *devlink, 2030 char *buf, size_t len); 2031 int devlink_compat_flash_update(struct devlink *devlink, const char *file_name); 2032 int devlink_compat_phys_port_name_get(struct net_device *dev, 2033 char *name, size_t len); 2034 int devlink_compat_switch_id_get(struct net_device *dev, 2035 struct netdev_phys_item_id *ppid); 2036 2037 int devlink_nl_port_handle_fill(struct sk_buff *msg, struct devlink_port *devlink_port); 2038 size_t devlink_nl_port_handle_size(struct devlink_port *devlink_port); 2039 void devlink_fmsg_dump_skb(struct devlink_fmsg *fmsg, const struct sk_buff *skb); 2040 2041 #else 2042 2043 static inline struct devlink *devlink_try_get(struct devlink *devlink) 2044 { 2045 return NULL; 2046 } 2047 2048 static inline void devlink_put(struct devlink *devlink) 2049 { 2050 } 2051 2052 static inline void 2053 devlink_compat_running_version(struct devlink *devlink, char *buf, size_t len) 2054 { 2055 } 2056 2057 static inline int 2058 devlink_compat_flash_update(struct devlink *devlink, const char *file_name) 2059 { 2060 return -EOPNOTSUPP; 2061 } 2062 2063 static inline int 2064 devlink_compat_phys_port_name_get(struct net_device *dev, 2065 char *name, size_t len) 2066 { 2067 return -EOPNOTSUPP; 2068 } 2069 2070 static inline int 2071 devlink_compat_switch_id_get(struct net_device *dev, 2072 struct netdev_phys_item_id *ppid) 2073 { 2074 return -EOPNOTSUPP; 2075 } 2076 2077 static inline int 2078 devlink_nl_port_handle_fill(struct sk_buff *msg, struct devlink_port *devlink_port) 2079 { 2080 return 0; 2081 } 2082 2083 static inline size_t devlink_nl_port_handle_size(struct devlink_port *devlink_port) 2084 { 2085 return 0; 2086 } 2087 2088 #endif 2089 2090 #endif /* _NET_DEVLINK_H_ */ 2091