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