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