1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * include/net/devlink.h - Network physical device Netlink interface 4 * Copyright (c) 2016 Mellanox Technologies. All rights reserved. 5 * Copyright (c) 2016 Jiri Pirko <jiri@mellanox.com> 6 */ 7 #ifndef _NET_DEVLINK_H_ 8 #define _NET_DEVLINK_H_ 9 10 #include <linux/device.h> 11 #include <linux/slab.h> 12 #include <linux/gfp.h> 13 #include <linux/list.h> 14 #include <linux/netdevice.h> 15 #include <linux/spinlock.h> 16 #include <linux/workqueue.h> 17 #include <linux/refcount.h> 18 #include <net/net_namespace.h> 19 #include <net/flow_offload.h> 20 #include <uapi/linux/devlink.h> 21 #include <linux/xarray.h> 22 #include <linux/firmware.h> 23 24 struct devlink; 25 struct devlink_linecard; 26 27 struct devlink_port_phys_attrs { 28 u32 port_number; /* Same value as "split group". 29 * A physical port which is visible to the user 30 * for a given port flavour. 31 */ 32 u32 split_subport_number; /* If the port is split, this is the number of subport. */ 33 }; 34 35 /** 36 * struct devlink_port_pci_pf_attrs - devlink port's PCI PF attributes 37 * @controller: Associated controller number 38 * @pf: Associated PCI PF number for this port. 39 * @external: when set, indicates if a port is for an external controller 40 */ 41 struct devlink_port_pci_pf_attrs { 42 u32 controller; 43 u16 pf; 44 u8 external:1; 45 }; 46 47 /** 48 * struct devlink_port_pci_vf_attrs - devlink port's PCI VF attributes 49 * @controller: Associated controller number 50 * @pf: Associated PCI PF number for this port. 51 * @vf: Associated PCI VF for of the PCI PF for this port. 52 * @external: when set, indicates if a port is for an external controller 53 */ 54 struct devlink_port_pci_vf_attrs { 55 u32 controller; 56 u16 pf; 57 u16 vf; 58 u8 external:1; 59 }; 60 61 /** 62 * struct devlink_port_pci_sf_attrs - devlink port's PCI SF attributes 63 * @controller: Associated controller number 64 * @sf: Associated PCI SF for of the PCI PF for this port. 65 * @pf: Associated PCI PF number for this port. 66 * @external: when set, indicates if a port is for an external controller 67 */ 68 struct devlink_port_pci_sf_attrs { 69 u32 controller; 70 u32 sf; 71 u16 pf; 72 u8 external:1; 73 }; 74 75 /** 76 * struct devlink_port_attrs - devlink port object 77 * @flavour: flavour of the port 78 * @split: indicates if this is split port 79 * @splittable: indicates if the port can be split. 80 * @lanes: maximum number of lanes the port supports. 0 value is not passed to netlink. 81 * @switch_id: if the port is part of switch, this is buffer with ID, otherwise this is NULL 82 * @phys: physical port attributes 83 * @pci_pf: PCI PF port attributes 84 * @pci_vf: PCI VF port attributes 85 * @pci_sf: PCI SF port attributes 86 */ 87 struct devlink_port_attrs { 88 u8 split:1, 89 splittable:1; 90 u32 lanes; 91 enum devlink_port_flavour flavour; 92 struct netdev_phys_item_id switch_id; 93 union { 94 struct devlink_port_phys_attrs phys; 95 struct devlink_port_pci_pf_attrs pci_pf; 96 struct devlink_port_pci_vf_attrs pci_vf; 97 struct devlink_port_pci_sf_attrs pci_sf; 98 }; 99 }; 100 101 struct devlink_rate { 102 struct list_head list; 103 enum devlink_rate_type type; 104 struct devlink *devlink; 105 void *priv; 106 u64 tx_share; 107 u64 tx_max; 108 109 struct devlink_rate *parent; 110 union { 111 struct devlink_port *devlink_port; 112 struct { 113 char *name; 114 refcount_t refcnt; 115 }; 116 }; 117 }; 118 119 struct devlink_port { 120 struct list_head list; 121 struct list_head region_list; 122 struct devlink *devlink; 123 unsigned int index; 124 spinlock_t type_lock; /* Protects type and type_eth/ib 125 * structures consistency. 126 */ 127 enum devlink_port_type type; 128 enum devlink_port_type desired_type; 129 union { 130 struct { 131 struct net_device *netdev; 132 int ifindex; 133 char ifname[IFNAMSIZ]; 134 } type_eth; 135 struct { 136 struct ib_device *ibdev; 137 } type_ib; 138 }; 139 struct devlink_port_attrs attrs; 140 u8 attrs_set:1, 141 switch_port:1, 142 registered:1, 143 initialized:1; 144 struct delayed_work type_warn_dw; 145 struct list_head reporter_list; 146 struct mutex reporters_lock; /* Protects reporter_list */ 147 148 struct devlink_rate *devlink_rate; 149 struct devlink_linecard *linecard; 150 }; 151 152 struct devlink_port_new_attrs { 153 enum devlink_port_flavour flavour; 154 unsigned int port_index; 155 u32 controller; 156 u32 sfnum; 157 u16 pfnum; 158 u8 port_index_valid:1, 159 controller_valid:1, 160 sfnum_valid:1; 161 }; 162 163 /** 164 * struct devlink_linecard_ops - Linecard operations 165 * @provision: callback to provision the linecard slot with certain 166 * type of linecard. As a result of this operation, 167 * driver is expected to eventually (could be after 168 * the function call returns) call one of: 169 * devlink_linecard_provision_set() 170 * devlink_linecard_provision_fail() 171 * @unprovision: callback to unprovision the linecard slot. As a result 172 * of this operation, driver is expected to eventually 173 * (could be after the function call returns) call 174 * devlink_linecard_provision_clear() 175 * devlink_linecard_provision_fail() 176 * @same_provision: callback to ask the driver if linecard is already 177 * provisioned in the same way user asks this linecard to be 178 * provisioned. 179 * @types_count: callback to get number of supported types 180 * @types_get: callback to get next type in list 181 */ 182 struct devlink_linecard_ops { 183 int (*provision)(struct devlink_linecard *linecard, void *priv, 184 const char *type, const void *type_priv, 185 struct netlink_ext_ack *extack); 186 int (*unprovision)(struct devlink_linecard *linecard, void *priv, 187 struct netlink_ext_ack *extack); 188 bool (*same_provision)(struct devlink_linecard *linecard, void *priv, 189 const char *type, const void *type_priv); 190 unsigned int (*types_count)(struct devlink_linecard *linecard, 191 void *priv); 192 void (*types_get)(struct devlink_linecard *linecard, 193 void *priv, unsigned int index, const char **type, 194 const void **type_priv); 195 }; 196 197 struct devlink_sb_pool_info { 198 enum devlink_sb_pool_type pool_type; 199 u32 size; 200 enum devlink_sb_threshold_type threshold_type; 201 u32 cell_size; 202 }; 203 204 /** 205 * struct devlink_dpipe_field - dpipe field object 206 * @name: field name 207 * @id: index inside the headers field array 208 * @bitwidth: bitwidth 209 * @mapping_type: mapping type 210 */ 211 struct devlink_dpipe_field { 212 const char *name; 213 unsigned int id; 214 unsigned int bitwidth; 215 enum devlink_dpipe_field_mapping_type mapping_type; 216 }; 217 218 /** 219 * struct devlink_dpipe_header - dpipe header object 220 * @name: header name 221 * @id: index, global/local detrmined by global bit 222 * @fields: fields 223 * @fields_count: number of fields 224 * @global: indicates if header is shared like most protocol header 225 * or driver specific 226 */ 227 struct devlink_dpipe_header { 228 const char *name; 229 unsigned int id; 230 struct devlink_dpipe_field *fields; 231 unsigned int fields_count; 232 bool global; 233 }; 234 235 /** 236 * struct devlink_dpipe_match - represents match operation 237 * @type: type of match 238 * @header_index: header index (packets can have several headers of same 239 * type like in case of tunnels) 240 * @header: header 241 * @fieled_id: field index 242 */ 243 struct devlink_dpipe_match { 244 enum devlink_dpipe_match_type type; 245 unsigned int header_index; 246 struct devlink_dpipe_header *header; 247 unsigned int field_id; 248 }; 249 250 /** 251 * struct devlink_dpipe_action - represents action operation 252 * @type: type of action 253 * @header_index: header index (packets can have several headers of same 254 * type like in case of tunnels) 255 * @header: header 256 * @fieled_id: field index 257 */ 258 struct devlink_dpipe_action { 259 enum devlink_dpipe_action_type type; 260 unsigned int header_index; 261 struct devlink_dpipe_header *header; 262 unsigned int field_id; 263 }; 264 265 /** 266 * struct devlink_dpipe_value - represents value of match/action 267 * @action: action 268 * @match: match 269 * @mapping_value: in case the field has some mapping this value 270 * specified the mapping value 271 * @mapping_valid: specify if mapping value is valid 272 * @value_size: value size 273 * @value: value 274 * @mask: bit mask 275 */ 276 struct devlink_dpipe_value { 277 union { 278 struct devlink_dpipe_action *action; 279 struct devlink_dpipe_match *match; 280 }; 281 unsigned int mapping_value; 282 bool mapping_valid; 283 unsigned int value_size; 284 void *value; 285 void *mask; 286 }; 287 288 /** 289 * struct devlink_dpipe_entry - table entry object 290 * @index: index of the entry in the table 291 * @match_values: match values 292 * @matche_values_count: count of matches tuples 293 * @action_values: actions values 294 * @action_values_count: count of actions values 295 * @counter: value of counter 296 * @counter_valid: Specify if value is valid from hardware 297 */ 298 struct devlink_dpipe_entry { 299 u64 index; 300 struct devlink_dpipe_value *match_values; 301 unsigned int match_values_count; 302 struct devlink_dpipe_value *action_values; 303 unsigned int action_values_count; 304 u64 counter; 305 bool counter_valid; 306 }; 307 308 /** 309 * struct devlink_dpipe_dump_ctx - context provided to driver in order 310 * to dump 311 * @info: info 312 * @cmd: devlink command 313 * @skb: skb 314 * @nest: top attribute 315 * @hdr: hdr 316 */ 317 struct devlink_dpipe_dump_ctx { 318 struct genl_info *info; 319 enum devlink_command cmd; 320 struct sk_buff *skb; 321 struct nlattr *nest; 322 void *hdr; 323 }; 324 325 struct devlink_dpipe_table_ops; 326 327 /** 328 * struct devlink_dpipe_table - table object 329 * @priv: private 330 * @name: table name 331 * @counters_enabled: indicates if counters are active 332 * @counter_control_extern: indicates if counter control is in dpipe or 333 * external tool 334 * @resource_valid: Indicate that the resource id is valid 335 * @resource_id: relative resource this table is related to 336 * @resource_units: number of resource's unit consumed per table's entry 337 * @table_ops: table operations 338 * @rcu: rcu 339 */ 340 struct devlink_dpipe_table { 341 void *priv; 342 struct list_head list; 343 const char *name; 344 bool counters_enabled; 345 bool counter_control_extern; 346 bool resource_valid; 347 u64 resource_id; 348 u64 resource_units; 349 struct devlink_dpipe_table_ops *table_ops; 350 struct rcu_head rcu; 351 }; 352 353 /** 354 * struct devlink_dpipe_table_ops - dpipe_table ops 355 * @actions_dump - dumps all tables actions 356 * @matches_dump - dumps all tables matches 357 * @entries_dump - dumps all active entries in the table 358 * @counters_set_update - when changing the counter status hardware sync 359 * maybe needed to allocate/free counter related 360 * resources 361 * @size_get - get size 362 */ 363 struct devlink_dpipe_table_ops { 364 int (*actions_dump)(void *priv, struct sk_buff *skb); 365 int (*matches_dump)(void *priv, struct sk_buff *skb); 366 int (*entries_dump)(void *priv, bool counters_enabled, 367 struct devlink_dpipe_dump_ctx *dump_ctx); 368 int (*counters_set_update)(void *priv, bool enable); 369 u64 (*size_get)(void *priv); 370 }; 371 372 /** 373 * struct devlink_dpipe_headers - dpipe headers 374 * @headers - header array can be shared (global bit) or driver specific 375 * @headers_count - count of headers 376 */ 377 struct devlink_dpipe_headers { 378 struct devlink_dpipe_header **headers; 379 unsigned int headers_count; 380 }; 381 382 /** 383 * struct devlink_resource_size_params - resource's size parameters 384 * @size_min: minimum size which can be set 385 * @size_max: maximum size which can be set 386 * @size_granularity: size granularity 387 * @size_unit: resource's basic unit 388 */ 389 struct devlink_resource_size_params { 390 u64 size_min; 391 u64 size_max; 392 u64 size_granularity; 393 enum devlink_resource_unit unit; 394 }; 395 396 static inline void 397 devlink_resource_size_params_init(struct devlink_resource_size_params *size_params, 398 u64 size_min, u64 size_max, 399 u64 size_granularity, 400 enum devlink_resource_unit unit) 401 { 402 size_params->size_min = size_min; 403 size_params->size_max = size_max; 404 size_params->size_granularity = size_granularity; 405 size_params->unit = unit; 406 } 407 408 typedef u64 devlink_resource_occ_get_t(void *priv); 409 410 #define DEVLINK_RESOURCE_ID_PARENT_TOP 0 411 412 #define DEVLINK_RESOURCE_GENERIC_NAME_PORTS "physical_ports" 413 414 #define __DEVLINK_PARAM_MAX_STRING_VALUE 32 415 enum devlink_param_type { 416 DEVLINK_PARAM_TYPE_U8, 417 DEVLINK_PARAM_TYPE_U16, 418 DEVLINK_PARAM_TYPE_U32, 419 DEVLINK_PARAM_TYPE_STRING, 420 DEVLINK_PARAM_TYPE_BOOL, 421 }; 422 423 union devlink_param_value { 424 u8 vu8; 425 u16 vu16; 426 u32 vu32; 427 char vstr[__DEVLINK_PARAM_MAX_STRING_VALUE]; 428 bool vbool; 429 }; 430 431 struct devlink_param_gset_ctx { 432 union devlink_param_value val; 433 enum devlink_param_cmode cmode; 434 }; 435 436 /** 437 * struct devlink_flash_notify - devlink dev flash notify data 438 * @status_msg: current status string 439 * @component: firmware component being updated 440 * @done: amount of work completed of total amount 441 * @total: amount of work expected to be done 442 * @timeout: expected max timeout in seconds 443 * 444 * These are values to be given to userland to be displayed in order 445 * to show current activity in a firmware update process. 446 */ 447 struct devlink_flash_notify { 448 const char *status_msg; 449 const char *component; 450 unsigned long done; 451 unsigned long total; 452 unsigned long timeout; 453 }; 454 455 /** 456 * struct devlink_param - devlink configuration parameter data 457 * @name: name of the parameter 458 * @generic: indicates if the parameter is generic or driver specific 459 * @type: parameter type 460 * @supported_cmodes: bitmap of supported configuration modes 461 * @get: get parameter value, used for runtime and permanent 462 * configuration modes 463 * @set: set parameter value, used for runtime and permanent 464 * configuration modes 465 * @validate: validate input value is applicable (within value range, etc.) 466 * 467 * This struct should be used by the driver to fill the data for 468 * a parameter it registers. 469 */ 470 struct devlink_param { 471 u32 id; 472 const char *name; 473 bool generic; 474 enum devlink_param_type type; 475 unsigned long supported_cmodes; 476 int (*get)(struct devlink *devlink, u32 id, 477 struct devlink_param_gset_ctx *ctx); 478 int (*set)(struct devlink *devlink, u32 id, 479 struct devlink_param_gset_ctx *ctx); 480 int (*validate)(struct devlink *devlink, u32 id, 481 union devlink_param_value val, 482 struct netlink_ext_ack *extack); 483 }; 484 485 struct devlink_param_item { 486 struct list_head list; 487 const struct devlink_param *param; 488 union devlink_param_value driverinit_value; 489 bool driverinit_value_valid; 490 }; 491 492 enum devlink_param_generic_id { 493 DEVLINK_PARAM_GENERIC_ID_INT_ERR_RESET, 494 DEVLINK_PARAM_GENERIC_ID_MAX_MACS, 495 DEVLINK_PARAM_GENERIC_ID_ENABLE_SRIOV, 496 DEVLINK_PARAM_GENERIC_ID_REGION_SNAPSHOT, 497 DEVLINK_PARAM_GENERIC_ID_IGNORE_ARI, 498 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX, 499 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN, 500 DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY, 501 DEVLINK_PARAM_GENERIC_ID_RESET_DEV_ON_DRV_PROBE, 502 DEVLINK_PARAM_GENERIC_ID_ENABLE_ROCE, 503 DEVLINK_PARAM_GENERIC_ID_ENABLE_REMOTE_DEV_RESET, 504 DEVLINK_PARAM_GENERIC_ID_ENABLE_ETH, 505 DEVLINK_PARAM_GENERIC_ID_ENABLE_RDMA, 506 DEVLINK_PARAM_GENERIC_ID_ENABLE_VNET, 507 DEVLINK_PARAM_GENERIC_ID_ENABLE_IWARP, 508 DEVLINK_PARAM_GENERIC_ID_IO_EQ_SIZE, 509 DEVLINK_PARAM_GENERIC_ID_EVENT_EQ_SIZE, 510 511 /* add new param generic ids above here*/ 512 __DEVLINK_PARAM_GENERIC_ID_MAX, 513 DEVLINK_PARAM_GENERIC_ID_MAX = __DEVLINK_PARAM_GENERIC_ID_MAX - 1, 514 }; 515 516 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_NAME "internal_error_reset" 517 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL 518 519 #define DEVLINK_PARAM_GENERIC_MAX_MACS_NAME "max_macs" 520 #define DEVLINK_PARAM_GENERIC_MAX_MACS_TYPE DEVLINK_PARAM_TYPE_U32 521 522 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_NAME "enable_sriov" 523 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_TYPE DEVLINK_PARAM_TYPE_BOOL 524 525 #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_NAME "region_snapshot_enable" 526 #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_TYPE DEVLINK_PARAM_TYPE_BOOL 527 528 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_NAME "ignore_ari" 529 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_TYPE DEVLINK_PARAM_TYPE_BOOL 530 531 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_NAME "msix_vec_per_pf_max" 532 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_TYPE DEVLINK_PARAM_TYPE_U32 533 534 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_NAME "msix_vec_per_pf_min" 535 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_TYPE DEVLINK_PARAM_TYPE_U32 536 537 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_NAME "fw_load_policy" 538 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_TYPE DEVLINK_PARAM_TYPE_U8 539 540 #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_NAME \ 541 "reset_dev_on_drv_probe" 542 #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_TYPE DEVLINK_PARAM_TYPE_U8 543 544 #define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_NAME "enable_roce" 545 #define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_TYPE DEVLINK_PARAM_TYPE_BOOL 546 547 #define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_NAME "enable_remote_dev_reset" 548 #define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL 549 550 #define DEVLINK_PARAM_GENERIC_ENABLE_ETH_NAME "enable_eth" 551 #define DEVLINK_PARAM_GENERIC_ENABLE_ETH_TYPE DEVLINK_PARAM_TYPE_BOOL 552 553 #define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_NAME "enable_rdma" 554 #define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_TYPE DEVLINK_PARAM_TYPE_BOOL 555 556 #define DEVLINK_PARAM_GENERIC_ENABLE_VNET_NAME "enable_vnet" 557 #define DEVLINK_PARAM_GENERIC_ENABLE_VNET_TYPE DEVLINK_PARAM_TYPE_BOOL 558 559 #define DEVLINK_PARAM_GENERIC_ENABLE_IWARP_NAME "enable_iwarp" 560 #define DEVLINK_PARAM_GENERIC_ENABLE_IWARP_TYPE DEVLINK_PARAM_TYPE_BOOL 561 562 #define DEVLINK_PARAM_GENERIC_IO_EQ_SIZE_NAME "io_eq_size" 563 #define DEVLINK_PARAM_GENERIC_IO_EQ_SIZE_TYPE DEVLINK_PARAM_TYPE_U32 564 565 #define DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_NAME "event_eq_size" 566 #define DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_TYPE DEVLINK_PARAM_TYPE_U32 567 568 #define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate) \ 569 { \ 570 .id = DEVLINK_PARAM_GENERIC_ID_##_id, \ 571 .name = DEVLINK_PARAM_GENERIC_##_id##_NAME, \ 572 .type = DEVLINK_PARAM_GENERIC_##_id##_TYPE, \ 573 .generic = true, \ 574 .supported_cmodes = _cmodes, \ 575 .get = _get, \ 576 .set = _set, \ 577 .validate = _validate, \ 578 } 579 580 #define DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, _get, _set, _validate) \ 581 { \ 582 .id = _id, \ 583 .name = _name, \ 584 .type = _type, \ 585 .supported_cmodes = _cmodes, \ 586 .get = _get, \ 587 .set = _set, \ 588 .validate = _validate, \ 589 } 590 591 /* Part number, identifier of board design */ 592 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_ID "board.id" 593 /* Revision of board design */ 594 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_REV "board.rev" 595 /* Maker of the board */ 596 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_MANUFACTURE "board.manufacture" 597 598 /* Part number, identifier of asic design */ 599 #define DEVLINK_INFO_VERSION_GENERIC_ASIC_ID "asic.id" 600 /* Revision of asic design */ 601 #define DEVLINK_INFO_VERSION_GENERIC_ASIC_REV "asic.rev" 602 603 /* Overall FW version */ 604 #define DEVLINK_INFO_VERSION_GENERIC_FW "fw" 605 /* Control processor FW version */ 606 #define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT "fw.mgmt" 607 /* FW interface specification version */ 608 #define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT_API "fw.mgmt.api" 609 /* Data path microcode controlling high-speed packet processing */ 610 #define DEVLINK_INFO_VERSION_GENERIC_FW_APP "fw.app" 611 /* UNDI software version */ 612 #define DEVLINK_INFO_VERSION_GENERIC_FW_UNDI "fw.undi" 613 /* NCSI support/handler version */ 614 #define DEVLINK_INFO_VERSION_GENERIC_FW_NCSI "fw.ncsi" 615 /* FW parameter set id */ 616 #define DEVLINK_INFO_VERSION_GENERIC_FW_PSID "fw.psid" 617 /* RoCE FW version */ 618 #define DEVLINK_INFO_VERSION_GENERIC_FW_ROCE "fw.roce" 619 /* Firmware bundle identifier */ 620 #define DEVLINK_INFO_VERSION_GENERIC_FW_BUNDLE_ID "fw.bundle_id" 621 622 /** 623 * struct devlink_flash_update_params - Flash Update parameters 624 * @fw: pointer to the firmware data to update from 625 * @component: the flash component to update 626 * 627 * With the exception of fw, drivers must opt-in to parameters by 628 * setting the appropriate bit in the supported_flash_update_params field in 629 * their devlink_ops structure. 630 */ 631 struct devlink_flash_update_params { 632 const struct firmware *fw; 633 const char *component; 634 u32 overwrite_mask; 635 }; 636 637 #define DEVLINK_SUPPORT_FLASH_UPDATE_OVERWRITE_MASK BIT(0) 638 639 struct devlink_region; 640 struct devlink_info_req; 641 642 /** 643 * struct devlink_region_ops - Region operations 644 * @name: region name 645 * @destructor: callback used to free snapshot memory when deleting 646 * @snapshot: callback to request an immediate snapshot. On success, 647 * the data variable must be updated to point to the snapshot data. 648 * The function will be called while the devlink instance lock is 649 * held. 650 * @priv: Pointer to driver private data for the region operation 651 */ 652 struct devlink_region_ops { 653 const char *name; 654 void (*destructor)(const void *data); 655 int (*snapshot)(struct devlink *devlink, 656 const struct devlink_region_ops *ops, 657 struct netlink_ext_ack *extack, 658 u8 **data); 659 void *priv; 660 }; 661 662 /** 663 * struct devlink_port_region_ops - Region operations for a port 664 * @name: region name 665 * @destructor: callback used to free snapshot memory when deleting 666 * @snapshot: callback to request an immediate snapshot. On success, 667 * the data variable must be updated to point to the snapshot data. 668 * The function will be called while the devlink instance lock is 669 * held. 670 * @priv: Pointer to driver private data for the region operation 671 */ 672 struct devlink_port_region_ops { 673 const char *name; 674 void (*destructor)(const void *data); 675 int (*snapshot)(struct devlink_port *port, 676 const struct devlink_port_region_ops *ops, 677 struct netlink_ext_ack *extack, 678 u8 **data); 679 void *priv; 680 }; 681 682 struct devlink_fmsg; 683 struct devlink_health_reporter; 684 685 enum devlink_health_reporter_state { 686 DEVLINK_HEALTH_REPORTER_STATE_HEALTHY, 687 DEVLINK_HEALTH_REPORTER_STATE_ERROR, 688 }; 689 690 /** 691 * struct devlink_health_reporter_ops - Reporter operations 692 * @name: reporter name 693 * @recover: callback to recover from reported error 694 * if priv_ctx is NULL, run a full recover 695 * @dump: callback to dump an object 696 * if priv_ctx is NULL, run a full dump 697 * @diagnose: callback to diagnose the current status 698 * @test: callback to trigger a test event 699 */ 700 701 struct devlink_health_reporter_ops { 702 char *name; 703 int (*recover)(struct devlink_health_reporter *reporter, 704 void *priv_ctx, struct netlink_ext_ack *extack); 705 int (*dump)(struct devlink_health_reporter *reporter, 706 struct devlink_fmsg *fmsg, void *priv_ctx, 707 struct netlink_ext_ack *extack); 708 int (*diagnose)(struct devlink_health_reporter *reporter, 709 struct devlink_fmsg *fmsg, 710 struct netlink_ext_ack *extack); 711 int (*test)(struct devlink_health_reporter *reporter, 712 struct netlink_ext_ack *extack); 713 }; 714 715 /** 716 * struct devlink_trap_metadata - Packet trap metadata. 717 * @trap_name: Trap name. 718 * @trap_group_name: Trap group name. 719 * @input_dev: Input netdevice. 720 * @dev_tracker: refcount tracker for @input_dev. 721 * @fa_cookie: Flow action user cookie. 722 * @trap_type: Trap type. 723 */ 724 struct devlink_trap_metadata { 725 const char *trap_name; 726 const char *trap_group_name; 727 728 struct net_device *input_dev; 729 netdevice_tracker dev_tracker; 730 731 const struct flow_action_cookie *fa_cookie; 732 enum devlink_trap_type trap_type; 733 }; 734 735 /** 736 * struct devlink_trap_policer - Immutable packet trap policer attributes. 737 * @id: Policer identifier. 738 * @init_rate: Initial rate in packets / sec. 739 * @init_burst: Initial burst size in packets. 740 * @max_rate: Maximum rate. 741 * @min_rate: Minimum rate. 742 * @max_burst: Maximum burst size. 743 * @min_burst: Minimum burst size. 744 * 745 * Describes immutable attributes of packet trap policers that drivers register 746 * with devlink. 747 */ 748 struct devlink_trap_policer { 749 u32 id; 750 u64 init_rate; 751 u64 init_burst; 752 u64 max_rate; 753 u64 min_rate; 754 u64 max_burst; 755 u64 min_burst; 756 }; 757 758 /** 759 * struct devlink_trap_group - Immutable packet trap group attributes. 760 * @name: Trap group name. 761 * @id: Trap group identifier. 762 * @generic: Whether the trap group is generic or not. 763 * @init_policer_id: Initial policer identifier. 764 * 765 * Describes immutable attributes of packet trap groups that drivers register 766 * with devlink. 767 */ 768 struct devlink_trap_group { 769 const char *name; 770 u16 id; 771 bool generic; 772 u32 init_policer_id; 773 }; 774 775 #define DEVLINK_TRAP_METADATA_TYPE_F_IN_PORT BIT(0) 776 #define DEVLINK_TRAP_METADATA_TYPE_F_FA_COOKIE BIT(1) 777 778 /** 779 * struct devlink_trap - Immutable packet trap attributes. 780 * @type: Trap type. 781 * @init_action: Initial trap action. 782 * @generic: Whether the trap is generic or not. 783 * @id: Trap identifier. 784 * @name: Trap name. 785 * @init_group_id: Initial group identifier. 786 * @metadata_cap: Metadata types that can be provided by the trap. 787 * 788 * Describes immutable attributes of packet traps that drivers register with 789 * devlink. 790 */ 791 struct devlink_trap { 792 enum devlink_trap_type type; 793 enum devlink_trap_action init_action; 794 bool generic; 795 u16 id; 796 const char *name; 797 u16 init_group_id; 798 u32 metadata_cap; 799 }; 800 801 /* All traps must be documented in 802 * Documentation/networking/devlink/devlink-trap.rst 803 */ 804 enum devlink_trap_generic_id { 805 DEVLINK_TRAP_GENERIC_ID_SMAC_MC, 806 DEVLINK_TRAP_GENERIC_ID_VLAN_TAG_MISMATCH, 807 DEVLINK_TRAP_GENERIC_ID_INGRESS_VLAN_FILTER, 808 DEVLINK_TRAP_GENERIC_ID_INGRESS_STP_FILTER, 809 DEVLINK_TRAP_GENERIC_ID_EMPTY_TX_LIST, 810 DEVLINK_TRAP_GENERIC_ID_PORT_LOOPBACK_FILTER, 811 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_ROUTE, 812 DEVLINK_TRAP_GENERIC_ID_TTL_ERROR, 813 DEVLINK_TRAP_GENERIC_ID_TAIL_DROP, 814 DEVLINK_TRAP_GENERIC_ID_NON_IP_PACKET, 815 DEVLINK_TRAP_GENERIC_ID_UC_DIP_MC_DMAC, 816 DEVLINK_TRAP_GENERIC_ID_DIP_LB, 817 DEVLINK_TRAP_GENERIC_ID_SIP_MC, 818 DEVLINK_TRAP_GENERIC_ID_SIP_LB, 819 DEVLINK_TRAP_GENERIC_ID_CORRUPTED_IP_HDR, 820 DEVLINK_TRAP_GENERIC_ID_IPV4_SIP_BC, 821 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_RESERVED_SCOPE, 822 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE, 823 DEVLINK_TRAP_GENERIC_ID_MTU_ERROR, 824 DEVLINK_TRAP_GENERIC_ID_UNRESOLVED_NEIGH, 825 DEVLINK_TRAP_GENERIC_ID_RPF, 826 DEVLINK_TRAP_GENERIC_ID_REJECT_ROUTE, 827 DEVLINK_TRAP_GENERIC_ID_IPV4_LPM_UNICAST_MISS, 828 DEVLINK_TRAP_GENERIC_ID_IPV6_LPM_UNICAST_MISS, 829 DEVLINK_TRAP_GENERIC_ID_NON_ROUTABLE, 830 DEVLINK_TRAP_GENERIC_ID_DECAP_ERROR, 831 DEVLINK_TRAP_GENERIC_ID_OVERLAY_SMAC_MC, 832 DEVLINK_TRAP_GENERIC_ID_INGRESS_FLOW_ACTION_DROP, 833 DEVLINK_TRAP_GENERIC_ID_EGRESS_FLOW_ACTION_DROP, 834 DEVLINK_TRAP_GENERIC_ID_STP, 835 DEVLINK_TRAP_GENERIC_ID_LACP, 836 DEVLINK_TRAP_GENERIC_ID_LLDP, 837 DEVLINK_TRAP_GENERIC_ID_IGMP_QUERY, 838 DEVLINK_TRAP_GENERIC_ID_IGMP_V1_REPORT, 839 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_REPORT, 840 DEVLINK_TRAP_GENERIC_ID_IGMP_V3_REPORT, 841 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_LEAVE, 842 DEVLINK_TRAP_GENERIC_ID_MLD_QUERY, 843 DEVLINK_TRAP_GENERIC_ID_MLD_V1_REPORT, 844 DEVLINK_TRAP_GENERIC_ID_MLD_V2_REPORT, 845 DEVLINK_TRAP_GENERIC_ID_MLD_V1_DONE, 846 DEVLINK_TRAP_GENERIC_ID_IPV4_DHCP, 847 DEVLINK_TRAP_GENERIC_ID_IPV6_DHCP, 848 DEVLINK_TRAP_GENERIC_ID_ARP_REQUEST, 849 DEVLINK_TRAP_GENERIC_ID_ARP_RESPONSE, 850 DEVLINK_TRAP_GENERIC_ID_ARP_OVERLAY, 851 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_SOLICIT, 852 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_ADVERT, 853 DEVLINK_TRAP_GENERIC_ID_IPV4_BFD, 854 DEVLINK_TRAP_GENERIC_ID_IPV6_BFD, 855 DEVLINK_TRAP_GENERIC_ID_IPV4_OSPF, 856 DEVLINK_TRAP_GENERIC_ID_IPV6_OSPF, 857 DEVLINK_TRAP_GENERIC_ID_IPV4_BGP, 858 DEVLINK_TRAP_GENERIC_ID_IPV6_BGP, 859 DEVLINK_TRAP_GENERIC_ID_IPV4_VRRP, 860 DEVLINK_TRAP_GENERIC_ID_IPV6_VRRP, 861 DEVLINK_TRAP_GENERIC_ID_IPV4_PIM, 862 DEVLINK_TRAP_GENERIC_ID_IPV6_PIM, 863 DEVLINK_TRAP_GENERIC_ID_UC_LB, 864 DEVLINK_TRAP_GENERIC_ID_LOCAL_ROUTE, 865 DEVLINK_TRAP_GENERIC_ID_EXTERNAL_ROUTE, 866 DEVLINK_TRAP_GENERIC_ID_IPV6_UC_DIP_LINK_LOCAL_SCOPE, 867 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_NODES, 868 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_ROUTERS, 869 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_SOLICIT, 870 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ADVERT, 871 DEVLINK_TRAP_GENERIC_ID_IPV6_REDIRECT, 872 DEVLINK_TRAP_GENERIC_ID_IPV4_ROUTER_ALERT, 873 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ALERT, 874 DEVLINK_TRAP_GENERIC_ID_PTP_EVENT, 875 DEVLINK_TRAP_GENERIC_ID_PTP_GENERAL, 876 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_SAMPLE, 877 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_TRAP, 878 DEVLINK_TRAP_GENERIC_ID_EARLY_DROP, 879 DEVLINK_TRAP_GENERIC_ID_VXLAN_PARSING, 880 DEVLINK_TRAP_GENERIC_ID_LLC_SNAP_PARSING, 881 DEVLINK_TRAP_GENERIC_ID_VLAN_PARSING, 882 DEVLINK_TRAP_GENERIC_ID_PPPOE_PPP_PARSING, 883 DEVLINK_TRAP_GENERIC_ID_MPLS_PARSING, 884 DEVLINK_TRAP_GENERIC_ID_ARP_PARSING, 885 DEVLINK_TRAP_GENERIC_ID_IP_1_PARSING, 886 DEVLINK_TRAP_GENERIC_ID_IP_N_PARSING, 887 DEVLINK_TRAP_GENERIC_ID_GRE_PARSING, 888 DEVLINK_TRAP_GENERIC_ID_UDP_PARSING, 889 DEVLINK_TRAP_GENERIC_ID_TCP_PARSING, 890 DEVLINK_TRAP_GENERIC_ID_IPSEC_PARSING, 891 DEVLINK_TRAP_GENERIC_ID_SCTP_PARSING, 892 DEVLINK_TRAP_GENERIC_ID_DCCP_PARSING, 893 DEVLINK_TRAP_GENERIC_ID_GTP_PARSING, 894 DEVLINK_TRAP_GENERIC_ID_ESP_PARSING, 895 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_NEXTHOP, 896 DEVLINK_TRAP_GENERIC_ID_DMAC_FILTER, 897 DEVLINK_TRAP_GENERIC_ID_EAPOL, 898 DEVLINK_TRAP_GENERIC_ID_LOCKED_PORT, 899 900 /* Add new generic trap IDs above */ 901 __DEVLINK_TRAP_GENERIC_ID_MAX, 902 DEVLINK_TRAP_GENERIC_ID_MAX = __DEVLINK_TRAP_GENERIC_ID_MAX - 1, 903 }; 904 905 /* All trap groups must be documented in 906 * Documentation/networking/devlink/devlink-trap.rst 907 */ 908 enum devlink_trap_group_generic_id { 909 DEVLINK_TRAP_GROUP_GENERIC_ID_L2_DROPS, 910 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_DROPS, 911 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_EXCEPTIONS, 912 DEVLINK_TRAP_GROUP_GENERIC_ID_BUFFER_DROPS, 913 DEVLINK_TRAP_GROUP_GENERIC_ID_TUNNEL_DROPS, 914 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_DROPS, 915 DEVLINK_TRAP_GROUP_GENERIC_ID_STP, 916 DEVLINK_TRAP_GROUP_GENERIC_ID_LACP, 917 DEVLINK_TRAP_GROUP_GENERIC_ID_LLDP, 918 DEVLINK_TRAP_GROUP_GENERIC_ID_MC_SNOOPING, 919 DEVLINK_TRAP_GROUP_GENERIC_ID_DHCP, 920 DEVLINK_TRAP_GROUP_GENERIC_ID_NEIGH_DISCOVERY, 921 DEVLINK_TRAP_GROUP_GENERIC_ID_BFD, 922 DEVLINK_TRAP_GROUP_GENERIC_ID_OSPF, 923 DEVLINK_TRAP_GROUP_GENERIC_ID_BGP, 924 DEVLINK_TRAP_GROUP_GENERIC_ID_VRRP, 925 DEVLINK_TRAP_GROUP_GENERIC_ID_PIM, 926 DEVLINK_TRAP_GROUP_GENERIC_ID_UC_LB, 927 DEVLINK_TRAP_GROUP_GENERIC_ID_LOCAL_DELIVERY, 928 DEVLINK_TRAP_GROUP_GENERIC_ID_EXTERNAL_DELIVERY, 929 DEVLINK_TRAP_GROUP_GENERIC_ID_IPV6, 930 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_EVENT, 931 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_GENERAL, 932 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_SAMPLE, 933 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_TRAP, 934 DEVLINK_TRAP_GROUP_GENERIC_ID_PARSER_ERROR_DROPS, 935 DEVLINK_TRAP_GROUP_GENERIC_ID_EAPOL, 936 937 /* Add new generic trap group IDs above */ 938 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX, 939 DEVLINK_TRAP_GROUP_GENERIC_ID_MAX = 940 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX - 1, 941 }; 942 943 #define DEVLINK_TRAP_GENERIC_NAME_SMAC_MC \ 944 "source_mac_is_multicast" 945 #define DEVLINK_TRAP_GENERIC_NAME_VLAN_TAG_MISMATCH \ 946 "vlan_tag_mismatch" 947 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_VLAN_FILTER \ 948 "ingress_vlan_filter" 949 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_STP_FILTER \ 950 "ingress_spanning_tree_filter" 951 #define DEVLINK_TRAP_GENERIC_NAME_EMPTY_TX_LIST \ 952 "port_list_is_empty" 953 #define DEVLINK_TRAP_GENERIC_NAME_PORT_LOOPBACK_FILTER \ 954 "port_loopback_filter" 955 #define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_ROUTE \ 956 "blackhole_route" 957 #define DEVLINK_TRAP_GENERIC_NAME_TTL_ERROR \ 958 "ttl_value_is_too_small" 959 #define DEVLINK_TRAP_GENERIC_NAME_TAIL_DROP \ 960 "tail_drop" 961 #define DEVLINK_TRAP_GENERIC_NAME_NON_IP_PACKET \ 962 "non_ip" 963 #define DEVLINK_TRAP_GENERIC_NAME_UC_DIP_MC_DMAC \ 964 "uc_dip_over_mc_dmac" 965 #define DEVLINK_TRAP_GENERIC_NAME_DIP_LB \ 966 "dip_is_loopback_address" 967 #define DEVLINK_TRAP_GENERIC_NAME_SIP_MC \ 968 "sip_is_mc" 969 #define DEVLINK_TRAP_GENERIC_NAME_SIP_LB \ 970 "sip_is_loopback_address" 971 #define DEVLINK_TRAP_GENERIC_NAME_CORRUPTED_IP_HDR \ 972 "ip_header_corrupted" 973 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_SIP_BC \ 974 "ipv4_sip_is_limited_bc" 975 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_RESERVED_SCOPE \ 976 "ipv6_mc_dip_reserved_scope" 977 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE \ 978 "ipv6_mc_dip_interface_local_scope" 979 #define DEVLINK_TRAP_GENERIC_NAME_MTU_ERROR \ 980 "mtu_value_is_too_small" 981 #define DEVLINK_TRAP_GENERIC_NAME_UNRESOLVED_NEIGH \ 982 "unresolved_neigh" 983 #define DEVLINK_TRAP_GENERIC_NAME_RPF \ 984 "mc_reverse_path_forwarding" 985 #define DEVLINK_TRAP_GENERIC_NAME_REJECT_ROUTE \ 986 "reject_route" 987 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_LPM_UNICAST_MISS \ 988 "ipv4_lpm_miss" 989 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_LPM_UNICAST_MISS \ 990 "ipv6_lpm_miss" 991 #define DEVLINK_TRAP_GENERIC_NAME_NON_ROUTABLE \ 992 "non_routable_packet" 993 #define DEVLINK_TRAP_GENERIC_NAME_DECAP_ERROR \ 994 "decap_error" 995 #define DEVLINK_TRAP_GENERIC_NAME_OVERLAY_SMAC_MC \ 996 "overlay_smac_is_mc" 997 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_FLOW_ACTION_DROP \ 998 "ingress_flow_action_drop" 999 #define DEVLINK_TRAP_GENERIC_NAME_EGRESS_FLOW_ACTION_DROP \ 1000 "egress_flow_action_drop" 1001 #define DEVLINK_TRAP_GENERIC_NAME_STP \ 1002 "stp" 1003 #define DEVLINK_TRAP_GENERIC_NAME_LACP \ 1004 "lacp" 1005 #define DEVLINK_TRAP_GENERIC_NAME_LLDP \ 1006 "lldp" 1007 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_QUERY \ 1008 "igmp_query" 1009 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V1_REPORT \ 1010 "igmp_v1_report" 1011 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_REPORT \ 1012 "igmp_v2_report" 1013 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V3_REPORT \ 1014 "igmp_v3_report" 1015 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_LEAVE \ 1016 "igmp_v2_leave" 1017 #define DEVLINK_TRAP_GENERIC_NAME_MLD_QUERY \ 1018 "mld_query" 1019 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_REPORT \ 1020 "mld_v1_report" 1021 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V2_REPORT \ 1022 "mld_v2_report" 1023 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_DONE \ 1024 "mld_v1_done" 1025 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_DHCP \ 1026 "ipv4_dhcp" 1027 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DHCP \ 1028 "ipv6_dhcp" 1029 #define DEVLINK_TRAP_GENERIC_NAME_ARP_REQUEST \ 1030 "arp_request" 1031 #define DEVLINK_TRAP_GENERIC_NAME_ARP_RESPONSE \ 1032 "arp_response" 1033 #define DEVLINK_TRAP_GENERIC_NAME_ARP_OVERLAY \ 1034 "arp_overlay" 1035 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_SOLICIT \ 1036 "ipv6_neigh_solicit" 1037 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_ADVERT \ 1038 "ipv6_neigh_advert" 1039 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_BFD \ 1040 "ipv4_bfd" 1041 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_BFD \ 1042 "ipv6_bfd" 1043 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_OSPF \ 1044 "ipv4_ospf" 1045 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_OSPF \ 1046 "ipv6_ospf" 1047 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_BGP \ 1048 "ipv4_bgp" 1049 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_BGP \ 1050 "ipv6_bgp" 1051 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_VRRP \ 1052 "ipv4_vrrp" 1053 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_VRRP \ 1054 "ipv6_vrrp" 1055 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_PIM \ 1056 "ipv4_pim" 1057 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_PIM \ 1058 "ipv6_pim" 1059 #define DEVLINK_TRAP_GENERIC_NAME_UC_LB \ 1060 "uc_loopback" 1061 #define DEVLINK_TRAP_GENERIC_NAME_LOCAL_ROUTE \ 1062 "local_route" 1063 #define DEVLINK_TRAP_GENERIC_NAME_EXTERNAL_ROUTE \ 1064 "external_route" 1065 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_UC_DIP_LINK_LOCAL_SCOPE \ 1066 "ipv6_uc_dip_link_local_scope" 1067 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_NODES \ 1068 "ipv6_dip_all_nodes" 1069 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_ROUTERS \ 1070 "ipv6_dip_all_routers" 1071 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_SOLICIT \ 1072 "ipv6_router_solicit" 1073 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ADVERT \ 1074 "ipv6_router_advert" 1075 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_REDIRECT \ 1076 "ipv6_redirect" 1077 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_ROUTER_ALERT \ 1078 "ipv4_router_alert" 1079 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ALERT \ 1080 "ipv6_router_alert" 1081 #define DEVLINK_TRAP_GENERIC_NAME_PTP_EVENT \ 1082 "ptp_event" 1083 #define DEVLINK_TRAP_GENERIC_NAME_PTP_GENERAL \ 1084 "ptp_general" 1085 #define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_SAMPLE \ 1086 "flow_action_sample" 1087 #define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_TRAP \ 1088 "flow_action_trap" 1089 #define DEVLINK_TRAP_GENERIC_NAME_EARLY_DROP \ 1090 "early_drop" 1091 #define DEVLINK_TRAP_GENERIC_NAME_VXLAN_PARSING \ 1092 "vxlan_parsing" 1093 #define DEVLINK_TRAP_GENERIC_NAME_LLC_SNAP_PARSING \ 1094 "llc_snap_parsing" 1095 #define DEVLINK_TRAP_GENERIC_NAME_VLAN_PARSING \ 1096 "vlan_parsing" 1097 #define DEVLINK_TRAP_GENERIC_NAME_PPPOE_PPP_PARSING \ 1098 "pppoe_ppp_parsing" 1099 #define DEVLINK_TRAP_GENERIC_NAME_MPLS_PARSING \ 1100 "mpls_parsing" 1101 #define DEVLINK_TRAP_GENERIC_NAME_ARP_PARSING \ 1102 "arp_parsing" 1103 #define DEVLINK_TRAP_GENERIC_NAME_IP_1_PARSING \ 1104 "ip_1_parsing" 1105 #define DEVLINK_TRAP_GENERIC_NAME_IP_N_PARSING \ 1106 "ip_n_parsing" 1107 #define DEVLINK_TRAP_GENERIC_NAME_GRE_PARSING \ 1108 "gre_parsing" 1109 #define DEVLINK_TRAP_GENERIC_NAME_UDP_PARSING \ 1110 "udp_parsing" 1111 #define DEVLINK_TRAP_GENERIC_NAME_TCP_PARSING \ 1112 "tcp_parsing" 1113 #define DEVLINK_TRAP_GENERIC_NAME_IPSEC_PARSING \ 1114 "ipsec_parsing" 1115 #define DEVLINK_TRAP_GENERIC_NAME_SCTP_PARSING \ 1116 "sctp_parsing" 1117 #define DEVLINK_TRAP_GENERIC_NAME_DCCP_PARSING \ 1118 "dccp_parsing" 1119 #define DEVLINK_TRAP_GENERIC_NAME_GTP_PARSING \ 1120 "gtp_parsing" 1121 #define DEVLINK_TRAP_GENERIC_NAME_ESP_PARSING \ 1122 "esp_parsing" 1123 #define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_NEXTHOP \ 1124 "blackhole_nexthop" 1125 #define DEVLINK_TRAP_GENERIC_NAME_DMAC_FILTER \ 1126 "dmac_filter" 1127 #define DEVLINK_TRAP_GENERIC_NAME_EAPOL \ 1128 "eapol" 1129 #define DEVLINK_TRAP_GENERIC_NAME_LOCKED_PORT \ 1130 "locked_port" 1131 1132 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L2_DROPS \ 1133 "l2_drops" 1134 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_DROPS \ 1135 "l3_drops" 1136 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_EXCEPTIONS \ 1137 "l3_exceptions" 1138 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BUFFER_DROPS \ 1139 "buffer_drops" 1140 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_TUNNEL_DROPS \ 1141 "tunnel_drops" 1142 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_DROPS \ 1143 "acl_drops" 1144 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_STP \ 1145 "stp" 1146 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LACP \ 1147 "lacp" 1148 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LLDP \ 1149 "lldp" 1150 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_MC_SNOOPING \ 1151 "mc_snooping" 1152 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_DHCP \ 1153 "dhcp" 1154 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_NEIGH_DISCOVERY \ 1155 "neigh_discovery" 1156 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BFD \ 1157 "bfd" 1158 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_OSPF \ 1159 "ospf" 1160 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BGP \ 1161 "bgp" 1162 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_VRRP \ 1163 "vrrp" 1164 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PIM \ 1165 "pim" 1166 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_UC_LB \ 1167 "uc_loopback" 1168 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LOCAL_DELIVERY \ 1169 "local_delivery" 1170 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_EXTERNAL_DELIVERY \ 1171 "external_delivery" 1172 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_IPV6 \ 1173 "ipv6" 1174 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_EVENT \ 1175 "ptp_event" 1176 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_GENERAL \ 1177 "ptp_general" 1178 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_SAMPLE \ 1179 "acl_sample" 1180 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_TRAP \ 1181 "acl_trap" 1182 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PARSER_ERROR_DROPS \ 1183 "parser_error_drops" 1184 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_EAPOL \ 1185 "eapol" 1186 1187 #define DEVLINK_TRAP_GENERIC(_type, _init_action, _id, _group_id, \ 1188 _metadata_cap) \ 1189 { \ 1190 .type = DEVLINK_TRAP_TYPE_##_type, \ 1191 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \ 1192 .generic = true, \ 1193 .id = DEVLINK_TRAP_GENERIC_ID_##_id, \ 1194 .name = DEVLINK_TRAP_GENERIC_NAME_##_id, \ 1195 .init_group_id = _group_id, \ 1196 .metadata_cap = _metadata_cap, \ 1197 } 1198 1199 #define DEVLINK_TRAP_DRIVER(_type, _init_action, _id, _name, _group_id, \ 1200 _metadata_cap) \ 1201 { \ 1202 .type = DEVLINK_TRAP_TYPE_##_type, \ 1203 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \ 1204 .generic = false, \ 1205 .id = _id, \ 1206 .name = _name, \ 1207 .init_group_id = _group_id, \ 1208 .metadata_cap = _metadata_cap, \ 1209 } 1210 1211 #define DEVLINK_TRAP_GROUP_GENERIC(_id, _policer_id) \ 1212 { \ 1213 .name = DEVLINK_TRAP_GROUP_GENERIC_NAME_##_id, \ 1214 .id = DEVLINK_TRAP_GROUP_GENERIC_ID_##_id, \ 1215 .generic = true, \ 1216 .init_policer_id = _policer_id, \ 1217 } 1218 1219 #define DEVLINK_TRAP_POLICER(_id, _rate, _burst, _max_rate, _min_rate, \ 1220 _max_burst, _min_burst) \ 1221 { \ 1222 .id = _id, \ 1223 .init_rate = _rate, \ 1224 .init_burst = _burst, \ 1225 .max_rate = _max_rate, \ 1226 .min_rate = _min_rate, \ 1227 .max_burst = _max_burst, \ 1228 .min_burst = _min_burst, \ 1229 } 1230 1231 enum { 1232 /* device supports reload operations */ 1233 DEVLINK_F_RELOAD = 1UL << 0, 1234 }; 1235 1236 struct devlink_ops { 1237 /** 1238 * @supported_flash_update_params: 1239 * mask of parameters supported by the driver's .flash_update 1240 * implemementation. 1241 */ 1242 u32 supported_flash_update_params; 1243 unsigned long reload_actions; 1244 unsigned long reload_limits; 1245 int (*reload_down)(struct devlink *devlink, bool netns_change, 1246 enum devlink_reload_action action, 1247 enum devlink_reload_limit limit, 1248 struct netlink_ext_ack *extack); 1249 int (*reload_up)(struct devlink *devlink, enum devlink_reload_action action, 1250 enum devlink_reload_limit limit, u32 *actions_performed, 1251 struct netlink_ext_ack *extack); 1252 int (*port_type_set)(struct devlink_port *devlink_port, 1253 enum devlink_port_type port_type); 1254 int (*port_split)(struct devlink *devlink, struct devlink_port *port, 1255 unsigned int count, struct netlink_ext_ack *extack); 1256 int (*port_unsplit)(struct devlink *devlink, struct devlink_port *port, 1257 struct netlink_ext_ack *extack); 1258 int (*sb_pool_get)(struct devlink *devlink, unsigned int sb_index, 1259 u16 pool_index, 1260 struct devlink_sb_pool_info *pool_info); 1261 int (*sb_pool_set)(struct devlink *devlink, unsigned int sb_index, 1262 u16 pool_index, u32 size, 1263 enum devlink_sb_threshold_type threshold_type, 1264 struct netlink_ext_ack *extack); 1265 int (*sb_port_pool_get)(struct devlink_port *devlink_port, 1266 unsigned int sb_index, u16 pool_index, 1267 u32 *p_threshold); 1268 int (*sb_port_pool_set)(struct devlink_port *devlink_port, 1269 unsigned int sb_index, u16 pool_index, 1270 u32 threshold, struct netlink_ext_ack *extack); 1271 int (*sb_tc_pool_bind_get)(struct devlink_port *devlink_port, 1272 unsigned int sb_index, 1273 u16 tc_index, 1274 enum devlink_sb_pool_type pool_type, 1275 u16 *p_pool_index, u32 *p_threshold); 1276 int (*sb_tc_pool_bind_set)(struct devlink_port *devlink_port, 1277 unsigned int sb_index, 1278 u16 tc_index, 1279 enum devlink_sb_pool_type pool_type, 1280 u16 pool_index, u32 threshold, 1281 struct netlink_ext_ack *extack); 1282 int (*sb_occ_snapshot)(struct devlink *devlink, 1283 unsigned int sb_index); 1284 int (*sb_occ_max_clear)(struct devlink *devlink, 1285 unsigned int sb_index); 1286 int (*sb_occ_port_pool_get)(struct devlink_port *devlink_port, 1287 unsigned int sb_index, u16 pool_index, 1288 u32 *p_cur, u32 *p_max); 1289 int (*sb_occ_tc_port_bind_get)(struct devlink_port *devlink_port, 1290 unsigned int sb_index, 1291 u16 tc_index, 1292 enum devlink_sb_pool_type pool_type, 1293 u32 *p_cur, u32 *p_max); 1294 1295 int (*eswitch_mode_get)(struct devlink *devlink, u16 *p_mode); 1296 int (*eswitch_mode_set)(struct devlink *devlink, u16 mode, 1297 struct netlink_ext_ack *extack); 1298 int (*eswitch_inline_mode_get)(struct devlink *devlink, u8 *p_inline_mode); 1299 int (*eswitch_inline_mode_set)(struct devlink *devlink, u8 inline_mode, 1300 struct netlink_ext_ack *extack); 1301 int (*eswitch_encap_mode_get)(struct devlink *devlink, 1302 enum devlink_eswitch_encap_mode *p_encap_mode); 1303 int (*eswitch_encap_mode_set)(struct devlink *devlink, 1304 enum devlink_eswitch_encap_mode encap_mode, 1305 struct netlink_ext_ack *extack); 1306 int (*info_get)(struct devlink *devlink, struct devlink_info_req *req, 1307 struct netlink_ext_ack *extack); 1308 /** 1309 * @flash_update: Device flash update function 1310 * 1311 * Used to perform a flash update for the device. The set of 1312 * parameters supported by the driver should be set in 1313 * supported_flash_update_params. 1314 */ 1315 int (*flash_update)(struct devlink *devlink, 1316 struct devlink_flash_update_params *params, 1317 struct netlink_ext_ack *extack); 1318 /** 1319 * @trap_init: Trap initialization function. 1320 * 1321 * Should be used by device drivers to initialize the trap in the 1322 * underlying device. Drivers should also store the provided trap 1323 * context, so that they could efficiently pass it to 1324 * devlink_trap_report() when the trap is triggered. 1325 */ 1326 int (*trap_init)(struct devlink *devlink, 1327 const struct devlink_trap *trap, void *trap_ctx); 1328 /** 1329 * @trap_fini: Trap de-initialization function. 1330 * 1331 * Should be used by device drivers to de-initialize the trap in the 1332 * underlying device. 1333 */ 1334 void (*trap_fini)(struct devlink *devlink, 1335 const struct devlink_trap *trap, void *trap_ctx); 1336 /** 1337 * @trap_action_set: Trap action set function. 1338 */ 1339 int (*trap_action_set)(struct devlink *devlink, 1340 const struct devlink_trap *trap, 1341 enum devlink_trap_action action, 1342 struct netlink_ext_ack *extack); 1343 /** 1344 * @trap_group_init: Trap group initialization function. 1345 * 1346 * Should be used by device drivers to initialize the trap group in the 1347 * underlying device. 1348 */ 1349 int (*trap_group_init)(struct devlink *devlink, 1350 const struct devlink_trap_group *group); 1351 /** 1352 * @trap_group_set: Trap group parameters set function. 1353 * 1354 * Note: @policer can be NULL when a policer is being unbound from 1355 * @group. 1356 */ 1357 int (*trap_group_set)(struct devlink *devlink, 1358 const struct devlink_trap_group *group, 1359 const struct devlink_trap_policer *policer, 1360 struct netlink_ext_ack *extack); 1361 /** 1362 * @trap_group_action_set: Trap group action set function. 1363 * 1364 * If this callback is populated, it will take precedence over looping 1365 * over all traps in a group and calling .trap_action_set(). 1366 */ 1367 int (*trap_group_action_set)(struct devlink *devlink, 1368 const struct devlink_trap_group *group, 1369 enum devlink_trap_action action, 1370 struct netlink_ext_ack *extack); 1371 /** 1372 * @trap_drop_counter_get: Trap drop counter get function. 1373 * 1374 * Should be used by device drivers to report number of packets 1375 * that have been dropped, and cannot be passed to the devlink 1376 * subsystem by the underlying device. 1377 */ 1378 int (*trap_drop_counter_get)(struct devlink *devlink, 1379 const struct devlink_trap *trap, 1380 u64 *p_drops); 1381 /** 1382 * @trap_policer_init: Trap policer initialization function. 1383 * 1384 * Should be used by device drivers to initialize the trap policer in 1385 * the underlying device. 1386 */ 1387 int (*trap_policer_init)(struct devlink *devlink, 1388 const struct devlink_trap_policer *policer); 1389 /** 1390 * @trap_policer_fini: Trap policer de-initialization function. 1391 * 1392 * Should be used by device drivers to de-initialize the trap policer 1393 * in the underlying device. 1394 */ 1395 void (*trap_policer_fini)(struct devlink *devlink, 1396 const struct devlink_trap_policer *policer); 1397 /** 1398 * @trap_policer_set: Trap policer parameters set function. 1399 */ 1400 int (*trap_policer_set)(struct devlink *devlink, 1401 const struct devlink_trap_policer *policer, 1402 u64 rate, u64 burst, 1403 struct netlink_ext_ack *extack); 1404 /** 1405 * @trap_policer_counter_get: Trap policer counter get function. 1406 * 1407 * Should be used by device drivers to report number of packets dropped 1408 * by the policer. 1409 */ 1410 int (*trap_policer_counter_get)(struct devlink *devlink, 1411 const struct devlink_trap_policer *policer, 1412 u64 *p_drops); 1413 /** 1414 * @port_function_hw_addr_get: Port function's hardware address get function. 1415 * 1416 * Should be used by device drivers to report the hardware address of a function managed 1417 * by the devlink port. Driver should return -EOPNOTSUPP if it doesn't support port 1418 * function handling for a particular port. 1419 * 1420 * Note: @extack can be NULL when port notifier queries the port function. 1421 */ 1422 int (*port_function_hw_addr_get)(struct devlink_port *port, u8 *hw_addr, 1423 int *hw_addr_len, 1424 struct netlink_ext_ack *extack); 1425 /** 1426 * @port_function_hw_addr_set: Port function's hardware address set function. 1427 * 1428 * Should be used by device drivers to set the hardware address of a function managed 1429 * by the devlink port. Driver should return -EOPNOTSUPP if it doesn't support port 1430 * function handling for a particular port. 1431 */ 1432 int (*port_function_hw_addr_set)(struct devlink_port *port, 1433 const u8 *hw_addr, int hw_addr_len, 1434 struct netlink_ext_ack *extack); 1435 /** 1436 * port_new() - Add a new port function of a specified flavor 1437 * @devlink: Devlink instance 1438 * @attrs: attributes of the new port 1439 * @extack: extack for reporting error messages 1440 * @new_port_index: index of the new port 1441 * 1442 * Devlink core will call this device driver function upon user request 1443 * to create a new port function of a specified flavor and optional 1444 * attributes 1445 * 1446 * Notes: 1447 * - Called without devlink instance lock being held. Drivers must 1448 * implement own means of synchronization 1449 * - On success, drivers must register a port with devlink core 1450 * 1451 * Return: 0 on success, negative value otherwise. 1452 */ 1453 int (*port_new)(struct devlink *devlink, 1454 const struct devlink_port_new_attrs *attrs, 1455 struct netlink_ext_ack *extack, 1456 unsigned int *new_port_index); 1457 /** 1458 * port_del() - Delete a port function 1459 * @devlink: Devlink instance 1460 * @port_index: port function index to delete 1461 * @extack: extack for reporting error messages 1462 * 1463 * Devlink core will call this device driver function upon user request 1464 * to delete a previously created port function 1465 * 1466 * Notes: 1467 * - Called without devlink instance lock being held. Drivers must 1468 * implement own means of synchronization 1469 * - On success, drivers must unregister the corresponding devlink 1470 * port 1471 * 1472 * Return: 0 on success, negative value otherwise. 1473 */ 1474 int (*port_del)(struct devlink *devlink, unsigned int port_index, 1475 struct netlink_ext_ack *extack); 1476 /** 1477 * port_fn_state_get() - Get the state of a port function 1478 * @devlink: Devlink instance 1479 * @port: The devlink port 1480 * @state: Admin configured state 1481 * @opstate: Current operational state 1482 * @extack: extack for reporting error messages 1483 * 1484 * Reports the admin and operational state of a devlink port function 1485 * 1486 * Return: 0 on success, negative value otherwise. 1487 */ 1488 int (*port_fn_state_get)(struct devlink_port *port, 1489 enum devlink_port_fn_state *state, 1490 enum devlink_port_fn_opstate *opstate, 1491 struct netlink_ext_ack *extack); 1492 /** 1493 * port_fn_state_set() - Set the admin state of a port function 1494 * @devlink: Devlink instance 1495 * @port: The devlink port 1496 * @state: Admin state 1497 * @extack: extack for reporting error messages 1498 * 1499 * Set the admin state of a devlink port function 1500 * 1501 * Return: 0 on success, negative value otherwise. 1502 */ 1503 int (*port_fn_state_set)(struct devlink_port *port, 1504 enum devlink_port_fn_state state, 1505 struct netlink_ext_ack *extack); 1506 1507 /** 1508 * Rate control callbacks. 1509 */ 1510 int (*rate_leaf_tx_share_set)(struct devlink_rate *devlink_rate, void *priv, 1511 u64 tx_share, struct netlink_ext_ack *extack); 1512 int (*rate_leaf_tx_max_set)(struct devlink_rate *devlink_rate, void *priv, 1513 u64 tx_max, struct netlink_ext_ack *extack); 1514 int (*rate_node_tx_share_set)(struct devlink_rate *devlink_rate, void *priv, 1515 u64 tx_share, struct netlink_ext_ack *extack); 1516 int (*rate_node_tx_max_set)(struct devlink_rate *devlink_rate, void *priv, 1517 u64 tx_max, struct netlink_ext_ack *extack); 1518 int (*rate_node_new)(struct devlink_rate *rate_node, void **priv, 1519 struct netlink_ext_ack *extack); 1520 int (*rate_node_del)(struct devlink_rate *rate_node, void *priv, 1521 struct netlink_ext_ack *extack); 1522 int (*rate_leaf_parent_set)(struct devlink_rate *child, 1523 struct devlink_rate *parent, 1524 void *priv_child, void *priv_parent, 1525 struct netlink_ext_ack *extack); 1526 int (*rate_node_parent_set)(struct devlink_rate *child, 1527 struct devlink_rate *parent, 1528 void *priv_child, void *priv_parent, 1529 struct netlink_ext_ack *extack); 1530 /** 1531 * selftests_check() - queries if selftest is supported 1532 * @devlink: devlink instance 1533 * @id: test index 1534 * @extack: extack for reporting error messages 1535 * 1536 * Return: true if test is supported by the driver 1537 */ 1538 bool (*selftest_check)(struct devlink *devlink, unsigned int id, 1539 struct netlink_ext_ack *extack); 1540 /** 1541 * selftest_run() - Runs a selftest 1542 * @devlink: devlink instance 1543 * @id: test index 1544 * @extack: extack for reporting error messages 1545 * 1546 * Return: status of the test 1547 */ 1548 enum devlink_selftest_status 1549 (*selftest_run)(struct devlink *devlink, unsigned int id, 1550 struct netlink_ext_ack *extack); 1551 }; 1552 1553 void *devlink_priv(struct devlink *devlink); 1554 struct devlink *priv_to_devlink(void *priv); 1555 struct device *devlink_to_dev(const struct devlink *devlink); 1556 1557 /* Devlink instance explicit locking */ 1558 void devl_lock(struct devlink *devlink); 1559 int devl_trylock(struct devlink *devlink); 1560 void devl_unlock(struct devlink *devlink); 1561 void devl_assert_locked(struct devlink *devlink); 1562 bool devl_lock_is_held(struct devlink *devlink); 1563 1564 struct ib_device; 1565 1566 struct net *devlink_net(const struct devlink *devlink); 1567 /* This call is intended for software devices that can create 1568 * devlink instances in other namespaces than init_net. 1569 * 1570 * Drivers that operate on real HW must use devlink_alloc() instead. 1571 */ 1572 struct devlink *devlink_alloc_ns(const struct devlink_ops *ops, 1573 size_t priv_size, struct net *net, 1574 struct device *dev); 1575 static inline struct devlink *devlink_alloc(const struct devlink_ops *ops, 1576 size_t priv_size, 1577 struct device *dev) 1578 { 1579 return devlink_alloc_ns(ops, priv_size, &init_net, dev); 1580 } 1581 void devlink_set_features(struct devlink *devlink, u64 features); 1582 void devlink_register(struct devlink *devlink); 1583 void devlink_unregister(struct devlink *devlink); 1584 void devlink_free(struct devlink *devlink); 1585 void devlink_port_init(struct devlink *devlink, 1586 struct devlink_port *devlink_port); 1587 void devlink_port_fini(struct devlink_port *devlink_port); 1588 int devl_port_register(struct devlink *devlink, 1589 struct devlink_port *devlink_port, 1590 unsigned int port_index); 1591 int devlink_port_register(struct devlink *devlink, 1592 struct devlink_port *devlink_port, 1593 unsigned int port_index); 1594 void devl_port_unregister(struct devlink_port *devlink_port); 1595 void devlink_port_unregister(struct devlink_port *devlink_port); 1596 void devlink_port_type_eth_set(struct devlink_port *devlink_port); 1597 void devlink_port_type_ib_set(struct devlink_port *devlink_port, 1598 struct ib_device *ibdev); 1599 void devlink_port_type_clear(struct devlink_port *devlink_port); 1600 void devlink_port_attrs_set(struct devlink_port *devlink_port, 1601 struct devlink_port_attrs *devlink_port_attrs); 1602 void devlink_port_attrs_pci_pf_set(struct devlink_port *devlink_port, u32 controller, 1603 u16 pf, bool external); 1604 void devlink_port_attrs_pci_vf_set(struct devlink_port *devlink_port, u32 controller, 1605 u16 pf, u16 vf, bool external); 1606 void devlink_port_attrs_pci_sf_set(struct devlink_port *devlink_port, 1607 u32 controller, u16 pf, u32 sf, 1608 bool external); 1609 int devl_rate_leaf_create(struct devlink_port *port, void *priv); 1610 void devl_rate_leaf_destroy(struct devlink_port *devlink_port); 1611 void devl_rate_nodes_destroy(struct devlink *devlink); 1612 void devlink_port_linecard_set(struct devlink_port *devlink_port, 1613 struct devlink_linecard *linecard); 1614 struct devlink_linecard * 1615 devlink_linecard_create(struct devlink *devlink, unsigned int linecard_index, 1616 const struct devlink_linecard_ops *ops, void *priv); 1617 void devlink_linecard_destroy(struct devlink_linecard *linecard); 1618 void devlink_linecard_provision_set(struct devlink_linecard *linecard, 1619 const char *type); 1620 void devlink_linecard_provision_clear(struct devlink_linecard *linecard); 1621 void devlink_linecard_provision_fail(struct devlink_linecard *linecard); 1622 void devlink_linecard_activate(struct devlink_linecard *linecard); 1623 void devlink_linecard_deactivate(struct devlink_linecard *linecard); 1624 void devlink_linecard_nested_dl_set(struct devlink_linecard *linecard, 1625 struct devlink *nested_devlink); 1626 int devl_sb_register(struct devlink *devlink, unsigned int sb_index, 1627 u32 size, u16 ingress_pools_count, 1628 u16 egress_pools_count, u16 ingress_tc_count, 1629 u16 egress_tc_count); 1630 int devlink_sb_register(struct devlink *devlink, unsigned int sb_index, 1631 u32 size, u16 ingress_pools_count, 1632 u16 egress_pools_count, u16 ingress_tc_count, 1633 u16 egress_tc_count); 1634 void devl_sb_unregister(struct devlink *devlink, unsigned int sb_index); 1635 void devlink_sb_unregister(struct devlink *devlink, unsigned int sb_index); 1636 int devl_dpipe_table_register(struct devlink *devlink, 1637 const char *table_name, 1638 struct devlink_dpipe_table_ops *table_ops, 1639 void *priv, bool counter_control_extern); 1640 void devl_dpipe_table_unregister(struct devlink *devlink, 1641 const char *table_name); 1642 void devl_dpipe_headers_register(struct devlink *devlink, 1643 struct devlink_dpipe_headers *dpipe_headers); 1644 void devl_dpipe_headers_unregister(struct devlink *devlink); 1645 bool devlink_dpipe_table_counter_enabled(struct devlink *devlink, 1646 const char *table_name); 1647 int devlink_dpipe_entry_ctx_prepare(struct devlink_dpipe_dump_ctx *dump_ctx); 1648 int devlink_dpipe_entry_ctx_append(struct devlink_dpipe_dump_ctx *dump_ctx, 1649 struct devlink_dpipe_entry *entry); 1650 int devlink_dpipe_entry_ctx_close(struct devlink_dpipe_dump_ctx *dump_ctx); 1651 void devlink_dpipe_entry_clear(struct devlink_dpipe_entry *entry); 1652 int devlink_dpipe_action_put(struct sk_buff *skb, 1653 struct devlink_dpipe_action *action); 1654 int devlink_dpipe_match_put(struct sk_buff *skb, 1655 struct devlink_dpipe_match *match); 1656 extern struct devlink_dpipe_header devlink_dpipe_header_ethernet; 1657 extern struct devlink_dpipe_header devlink_dpipe_header_ipv4; 1658 extern struct devlink_dpipe_header devlink_dpipe_header_ipv6; 1659 1660 int devl_resource_register(struct devlink *devlink, 1661 const char *resource_name, 1662 u64 resource_size, 1663 u64 resource_id, 1664 u64 parent_resource_id, 1665 const struct devlink_resource_size_params *size_params); 1666 int devlink_resource_register(struct devlink *devlink, 1667 const char *resource_name, 1668 u64 resource_size, 1669 u64 resource_id, 1670 u64 parent_resource_id, 1671 const struct devlink_resource_size_params *size_params); 1672 void devl_resources_unregister(struct devlink *devlink); 1673 void devlink_resources_unregister(struct devlink *devlink); 1674 int devl_resource_size_get(struct devlink *devlink, 1675 u64 resource_id, 1676 u64 *p_resource_size); 1677 int devl_dpipe_table_resource_set(struct devlink *devlink, 1678 const char *table_name, u64 resource_id, 1679 u64 resource_units); 1680 int devlink_dpipe_table_resource_set(struct devlink *devlink, 1681 const char *table_name, u64 resource_id, 1682 u64 resource_units); 1683 void devl_resource_occ_get_register(struct devlink *devlink, 1684 u64 resource_id, 1685 devlink_resource_occ_get_t *occ_get, 1686 void *occ_get_priv); 1687 void devlink_resource_occ_get_register(struct devlink *devlink, 1688 u64 resource_id, 1689 devlink_resource_occ_get_t *occ_get, 1690 void *occ_get_priv); 1691 void devl_resource_occ_get_unregister(struct devlink *devlink, 1692 u64 resource_id); 1693 1694 void devlink_resource_occ_get_unregister(struct devlink *devlink, 1695 u64 resource_id); 1696 int devlink_params_register(struct devlink *devlink, 1697 const struct devlink_param *params, 1698 size_t params_count); 1699 void devlink_params_unregister(struct devlink *devlink, 1700 const struct devlink_param *params, 1701 size_t params_count); 1702 int devlink_param_register(struct devlink *devlink, 1703 const struct devlink_param *param); 1704 void devlink_param_unregister(struct devlink *devlink, 1705 const struct devlink_param *param); 1706 int devlink_param_driverinit_value_get(struct devlink *devlink, u32 param_id, 1707 union devlink_param_value *init_val); 1708 int devlink_param_driverinit_value_set(struct devlink *devlink, u32 param_id, 1709 union devlink_param_value init_val); 1710 void devlink_param_value_changed(struct devlink *devlink, u32 param_id); 1711 struct devlink_region *devl_region_create(struct devlink *devlink, 1712 const struct devlink_region_ops *ops, 1713 u32 region_max_snapshots, 1714 u64 region_size); 1715 struct devlink_region * 1716 devlink_region_create(struct devlink *devlink, 1717 const struct devlink_region_ops *ops, 1718 u32 region_max_snapshots, u64 region_size); 1719 struct devlink_region * 1720 devlink_port_region_create(struct devlink_port *port, 1721 const struct devlink_port_region_ops *ops, 1722 u32 region_max_snapshots, u64 region_size); 1723 void devl_region_destroy(struct devlink_region *region); 1724 void devlink_region_destroy(struct devlink_region *region); 1725 void devlink_port_region_destroy(struct devlink_region *region); 1726 1727 int devlink_region_snapshot_id_get(struct devlink *devlink, u32 *id); 1728 void devlink_region_snapshot_id_put(struct devlink *devlink, u32 id); 1729 int devlink_region_snapshot_create(struct devlink_region *region, 1730 u8 *data, u32 snapshot_id); 1731 int devlink_info_serial_number_put(struct devlink_info_req *req, 1732 const char *sn); 1733 int devlink_info_driver_name_put(struct devlink_info_req *req, 1734 const char *name); 1735 int devlink_info_board_serial_number_put(struct devlink_info_req *req, 1736 const char *bsn); 1737 1738 enum devlink_info_version_type { 1739 DEVLINK_INFO_VERSION_TYPE_NONE, 1740 DEVLINK_INFO_VERSION_TYPE_COMPONENT, /* May be used as flash update 1741 * component by name. 1742 */ 1743 }; 1744 1745 int devlink_info_version_fixed_put(struct devlink_info_req *req, 1746 const char *version_name, 1747 const char *version_value); 1748 int devlink_info_version_stored_put(struct devlink_info_req *req, 1749 const char *version_name, 1750 const char *version_value); 1751 int devlink_info_version_stored_put_ext(struct devlink_info_req *req, 1752 const char *version_name, 1753 const char *version_value, 1754 enum devlink_info_version_type version_type); 1755 int devlink_info_version_running_put(struct devlink_info_req *req, 1756 const char *version_name, 1757 const char *version_value); 1758 int devlink_info_version_running_put_ext(struct devlink_info_req *req, 1759 const char *version_name, 1760 const char *version_value, 1761 enum devlink_info_version_type version_type); 1762 1763 int devlink_fmsg_obj_nest_start(struct devlink_fmsg *fmsg); 1764 int devlink_fmsg_obj_nest_end(struct devlink_fmsg *fmsg); 1765 1766 int devlink_fmsg_pair_nest_start(struct devlink_fmsg *fmsg, const char *name); 1767 int devlink_fmsg_pair_nest_end(struct devlink_fmsg *fmsg); 1768 1769 int devlink_fmsg_arr_pair_nest_start(struct devlink_fmsg *fmsg, 1770 const char *name); 1771 int devlink_fmsg_arr_pair_nest_end(struct devlink_fmsg *fmsg); 1772 int devlink_fmsg_binary_pair_nest_start(struct devlink_fmsg *fmsg, 1773 const char *name); 1774 int devlink_fmsg_binary_pair_nest_end(struct devlink_fmsg *fmsg); 1775 1776 int devlink_fmsg_u32_put(struct devlink_fmsg *fmsg, u32 value); 1777 int devlink_fmsg_string_put(struct devlink_fmsg *fmsg, const char *value); 1778 int devlink_fmsg_binary_put(struct devlink_fmsg *fmsg, const void *value, 1779 u16 value_len); 1780 1781 int devlink_fmsg_bool_pair_put(struct devlink_fmsg *fmsg, const char *name, 1782 bool value); 1783 int devlink_fmsg_u8_pair_put(struct devlink_fmsg *fmsg, const char *name, 1784 u8 value); 1785 int devlink_fmsg_u32_pair_put(struct devlink_fmsg *fmsg, const char *name, 1786 u32 value); 1787 int devlink_fmsg_u64_pair_put(struct devlink_fmsg *fmsg, const char *name, 1788 u64 value); 1789 int devlink_fmsg_string_pair_put(struct devlink_fmsg *fmsg, const char *name, 1790 const char *value); 1791 int devlink_fmsg_binary_pair_put(struct devlink_fmsg *fmsg, const char *name, 1792 const void *value, u32 value_len); 1793 1794 struct devlink_health_reporter * 1795 devlink_health_reporter_create(struct devlink *devlink, 1796 const struct devlink_health_reporter_ops *ops, 1797 u64 graceful_period, void *priv); 1798 1799 struct devlink_health_reporter * 1800 devlink_port_health_reporter_create(struct devlink_port *port, 1801 const struct devlink_health_reporter_ops *ops, 1802 u64 graceful_period, void *priv); 1803 1804 void 1805 devlink_health_reporter_destroy(struct devlink_health_reporter *reporter); 1806 1807 void 1808 devlink_port_health_reporter_destroy(struct devlink_health_reporter *reporter); 1809 1810 void * 1811 devlink_health_reporter_priv(struct devlink_health_reporter *reporter); 1812 int devlink_health_report(struct devlink_health_reporter *reporter, 1813 const char *msg, void *priv_ctx); 1814 void 1815 devlink_health_reporter_state_update(struct devlink_health_reporter *reporter, 1816 enum devlink_health_reporter_state state); 1817 void 1818 devlink_health_reporter_recovery_done(struct devlink_health_reporter *reporter); 1819 1820 bool devlink_is_reload_failed(const struct devlink *devlink); 1821 void devlink_remote_reload_actions_performed(struct devlink *devlink, 1822 enum devlink_reload_limit limit, 1823 u32 actions_performed); 1824 1825 void devlink_flash_update_status_notify(struct devlink *devlink, 1826 const char *status_msg, 1827 const char *component, 1828 unsigned long done, 1829 unsigned long total); 1830 void devlink_flash_update_timeout_notify(struct devlink *devlink, 1831 const char *status_msg, 1832 const char *component, 1833 unsigned long timeout); 1834 1835 int devl_traps_register(struct devlink *devlink, 1836 const struct devlink_trap *traps, 1837 size_t traps_count, void *priv); 1838 int devlink_traps_register(struct devlink *devlink, 1839 const struct devlink_trap *traps, 1840 size_t traps_count, void *priv); 1841 void devl_traps_unregister(struct devlink *devlink, 1842 const struct devlink_trap *traps, 1843 size_t traps_count); 1844 void devlink_traps_unregister(struct devlink *devlink, 1845 const struct devlink_trap *traps, 1846 size_t traps_count); 1847 void devlink_trap_report(struct devlink *devlink, struct sk_buff *skb, 1848 void *trap_ctx, struct devlink_port *in_devlink_port, 1849 const struct flow_action_cookie *fa_cookie); 1850 void *devlink_trap_ctx_priv(void *trap_ctx); 1851 int devl_trap_groups_register(struct devlink *devlink, 1852 const struct devlink_trap_group *groups, 1853 size_t groups_count); 1854 int devlink_trap_groups_register(struct devlink *devlink, 1855 const struct devlink_trap_group *groups, 1856 size_t groups_count); 1857 void devl_trap_groups_unregister(struct devlink *devlink, 1858 const struct devlink_trap_group *groups, 1859 size_t groups_count); 1860 void devlink_trap_groups_unregister(struct devlink *devlink, 1861 const struct devlink_trap_group *groups, 1862 size_t groups_count); 1863 int 1864 devl_trap_policers_register(struct devlink *devlink, 1865 const struct devlink_trap_policer *policers, 1866 size_t policers_count); 1867 void 1868 devl_trap_policers_unregister(struct devlink *devlink, 1869 const struct devlink_trap_policer *policers, 1870 size_t policers_count); 1871 1872 #if IS_ENABLED(CONFIG_NET_DEVLINK) 1873 1874 struct devlink *__must_check devlink_try_get(struct devlink *devlink); 1875 void devlink_put(struct devlink *devlink); 1876 1877 void devlink_compat_running_version(struct devlink *devlink, 1878 char *buf, size_t len); 1879 int devlink_compat_flash_update(struct devlink *devlink, const char *file_name); 1880 int devlink_compat_phys_port_name_get(struct net_device *dev, 1881 char *name, size_t len); 1882 int devlink_compat_switch_id_get(struct net_device *dev, 1883 struct netdev_phys_item_id *ppid); 1884 1885 int devlink_nl_port_handle_fill(struct sk_buff *msg, struct devlink_port *devlink_port); 1886 size_t devlink_nl_port_handle_size(struct devlink_port *devlink_port); 1887 1888 #else 1889 1890 static inline struct devlink *devlink_try_get(struct devlink *devlink) 1891 { 1892 return NULL; 1893 } 1894 1895 static inline void devlink_put(struct devlink *devlink) 1896 { 1897 } 1898 1899 static inline void 1900 devlink_compat_running_version(struct devlink *devlink, char *buf, size_t len) 1901 { 1902 } 1903 1904 static inline int 1905 devlink_compat_flash_update(struct devlink *devlink, const char *file_name) 1906 { 1907 return -EOPNOTSUPP; 1908 } 1909 1910 static inline int 1911 devlink_compat_phys_port_name_get(struct net_device *dev, 1912 char *name, size_t len) 1913 { 1914 return -EOPNOTSUPP; 1915 } 1916 1917 static inline int 1918 devlink_compat_switch_id_get(struct net_device *dev, 1919 struct netdev_phys_item_id *ppid) 1920 { 1921 return -EOPNOTSUPP; 1922 } 1923 1924 static inline int 1925 devlink_nl_port_handle_fill(struct sk_buff *msg, struct devlink_port *devlink_port) 1926 { 1927 return 0; 1928 } 1929 1930 static inline size_t devlink_nl_port_handle_size(struct devlink_port *devlink_port) 1931 { 1932 return 0; 1933 } 1934 1935 #endif 1936 1937 #endif /* _NET_DEVLINK_H_ */ 1938