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_COMPONENT BIT(0) 628 #define DEVLINK_SUPPORT_FLASH_UPDATE_OVERWRITE_MASK BIT(1) 629 630 struct devlink_region; 631 struct devlink_info_req; 632 633 /** 634 * struct devlink_region_ops - Region operations 635 * @name: region name 636 * @destructor: callback used to free snapshot memory when deleting 637 * @snapshot: callback to request an immediate snapshot. On success, 638 * the data variable must be updated to point to the snapshot data. 639 * The function will be called while the devlink instance lock is 640 * held. 641 * @priv: Pointer to driver private data for the region operation 642 */ 643 struct devlink_region_ops { 644 const char *name; 645 void (*destructor)(const void *data); 646 int (*snapshot)(struct devlink *devlink, 647 const struct devlink_region_ops *ops, 648 struct netlink_ext_ack *extack, 649 u8 **data); 650 void *priv; 651 }; 652 653 /** 654 * struct devlink_port_region_ops - Region operations for a port 655 * @name: region name 656 * @destructor: callback used to free snapshot memory when deleting 657 * @snapshot: callback to request an immediate snapshot. On success, 658 * the data variable must be updated to point to the snapshot data. 659 * The function will be called while the devlink instance lock is 660 * held. 661 * @priv: Pointer to driver private data for the region operation 662 */ 663 struct devlink_port_region_ops { 664 const char *name; 665 void (*destructor)(const void *data); 666 int (*snapshot)(struct devlink_port *port, 667 const struct devlink_port_region_ops *ops, 668 struct netlink_ext_ack *extack, 669 u8 **data); 670 void *priv; 671 }; 672 673 struct devlink_fmsg; 674 struct devlink_health_reporter; 675 676 enum devlink_health_reporter_state { 677 DEVLINK_HEALTH_REPORTER_STATE_HEALTHY, 678 DEVLINK_HEALTH_REPORTER_STATE_ERROR, 679 }; 680 681 /** 682 * struct devlink_health_reporter_ops - Reporter operations 683 * @name: reporter name 684 * @recover: callback to recover from reported error 685 * if priv_ctx is NULL, run a full recover 686 * @dump: callback to dump an object 687 * if priv_ctx is NULL, run a full dump 688 * @diagnose: callback to diagnose the current status 689 * @test: callback to trigger a test event 690 */ 691 692 struct devlink_health_reporter_ops { 693 char *name; 694 int (*recover)(struct devlink_health_reporter *reporter, 695 void *priv_ctx, struct netlink_ext_ack *extack); 696 int (*dump)(struct devlink_health_reporter *reporter, 697 struct devlink_fmsg *fmsg, void *priv_ctx, 698 struct netlink_ext_ack *extack); 699 int (*diagnose)(struct devlink_health_reporter *reporter, 700 struct devlink_fmsg *fmsg, 701 struct netlink_ext_ack *extack); 702 int (*test)(struct devlink_health_reporter *reporter, 703 struct netlink_ext_ack *extack); 704 }; 705 706 /** 707 * struct devlink_trap_metadata - Packet trap metadata. 708 * @trap_name: Trap name. 709 * @trap_group_name: Trap group name. 710 * @input_dev: Input netdevice. 711 * @dev_tracker: refcount tracker for @input_dev. 712 * @fa_cookie: Flow action user cookie. 713 * @trap_type: Trap type. 714 */ 715 struct devlink_trap_metadata { 716 const char *trap_name; 717 const char *trap_group_name; 718 719 struct net_device *input_dev; 720 netdevice_tracker dev_tracker; 721 722 const struct flow_action_cookie *fa_cookie; 723 enum devlink_trap_type trap_type; 724 }; 725 726 /** 727 * struct devlink_trap_policer - Immutable packet trap policer attributes. 728 * @id: Policer identifier. 729 * @init_rate: Initial rate in packets / sec. 730 * @init_burst: Initial burst size in packets. 731 * @max_rate: Maximum rate. 732 * @min_rate: Minimum rate. 733 * @max_burst: Maximum burst size. 734 * @min_burst: Minimum burst size. 735 * 736 * Describes immutable attributes of packet trap policers that drivers register 737 * with devlink. 738 */ 739 struct devlink_trap_policer { 740 u32 id; 741 u64 init_rate; 742 u64 init_burst; 743 u64 max_rate; 744 u64 min_rate; 745 u64 max_burst; 746 u64 min_burst; 747 }; 748 749 /** 750 * struct devlink_trap_group - Immutable packet trap group attributes. 751 * @name: Trap group name. 752 * @id: Trap group identifier. 753 * @generic: Whether the trap group is generic or not. 754 * @init_policer_id: Initial policer identifier. 755 * 756 * Describes immutable attributes of packet trap groups that drivers register 757 * with devlink. 758 */ 759 struct devlink_trap_group { 760 const char *name; 761 u16 id; 762 bool generic; 763 u32 init_policer_id; 764 }; 765 766 #define DEVLINK_TRAP_METADATA_TYPE_F_IN_PORT BIT(0) 767 #define DEVLINK_TRAP_METADATA_TYPE_F_FA_COOKIE BIT(1) 768 769 /** 770 * struct devlink_trap - Immutable packet trap attributes. 771 * @type: Trap type. 772 * @init_action: Initial trap action. 773 * @generic: Whether the trap is generic or not. 774 * @id: Trap identifier. 775 * @name: Trap name. 776 * @init_group_id: Initial group identifier. 777 * @metadata_cap: Metadata types that can be provided by the trap. 778 * 779 * Describes immutable attributes of packet traps that drivers register with 780 * devlink. 781 */ 782 struct devlink_trap { 783 enum devlink_trap_type type; 784 enum devlink_trap_action init_action; 785 bool generic; 786 u16 id; 787 const char *name; 788 u16 init_group_id; 789 u32 metadata_cap; 790 }; 791 792 /* All traps must be documented in 793 * Documentation/networking/devlink/devlink-trap.rst 794 */ 795 enum devlink_trap_generic_id { 796 DEVLINK_TRAP_GENERIC_ID_SMAC_MC, 797 DEVLINK_TRAP_GENERIC_ID_VLAN_TAG_MISMATCH, 798 DEVLINK_TRAP_GENERIC_ID_INGRESS_VLAN_FILTER, 799 DEVLINK_TRAP_GENERIC_ID_INGRESS_STP_FILTER, 800 DEVLINK_TRAP_GENERIC_ID_EMPTY_TX_LIST, 801 DEVLINK_TRAP_GENERIC_ID_PORT_LOOPBACK_FILTER, 802 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_ROUTE, 803 DEVLINK_TRAP_GENERIC_ID_TTL_ERROR, 804 DEVLINK_TRAP_GENERIC_ID_TAIL_DROP, 805 DEVLINK_TRAP_GENERIC_ID_NON_IP_PACKET, 806 DEVLINK_TRAP_GENERIC_ID_UC_DIP_MC_DMAC, 807 DEVLINK_TRAP_GENERIC_ID_DIP_LB, 808 DEVLINK_TRAP_GENERIC_ID_SIP_MC, 809 DEVLINK_TRAP_GENERIC_ID_SIP_LB, 810 DEVLINK_TRAP_GENERIC_ID_CORRUPTED_IP_HDR, 811 DEVLINK_TRAP_GENERIC_ID_IPV4_SIP_BC, 812 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_RESERVED_SCOPE, 813 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE, 814 DEVLINK_TRAP_GENERIC_ID_MTU_ERROR, 815 DEVLINK_TRAP_GENERIC_ID_UNRESOLVED_NEIGH, 816 DEVLINK_TRAP_GENERIC_ID_RPF, 817 DEVLINK_TRAP_GENERIC_ID_REJECT_ROUTE, 818 DEVLINK_TRAP_GENERIC_ID_IPV4_LPM_UNICAST_MISS, 819 DEVLINK_TRAP_GENERIC_ID_IPV6_LPM_UNICAST_MISS, 820 DEVLINK_TRAP_GENERIC_ID_NON_ROUTABLE, 821 DEVLINK_TRAP_GENERIC_ID_DECAP_ERROR, 822 DEVLINK_TRAP_GENERIC_ID_OVERLAY_SMAC_MC, 823 DEVLINK_TRAP_GENERIC_ID_INGRESS_FLOW_ACTION_DROP, 824 DEVLINK_TRAP_GENERIC_ID_EGRESS_FLOW_ACTION_DROP, 825 DEVLINK_TRAP_GENERIC_ID_STP, 826 DEVLINK_TRAP_GENERIC_ID_LACP, 827 DEVLINK_TRAP_GENERIC_ID_LLDP, 828 DEVLINK_TRAP_GENERIC_ID_IGMP_QUERY, 829 DEVLINK_TRAP_GENERIC_ID_IGMP_V1_REPORT, 830 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_REPORT, 831 DEVLINK_TRAP_GENERIC_ID_IGMP_V3_REPORT, 832 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_LEAVE, 833 DEVLINK_TRAP_GENERIC_ID_MLD_QUERY, 834 DEVLINK_TRAP_GENERIC_ID_MLD_V1_REPORT, 835 DEVLINK_TRAP_GENERIC_ID_MLD_V2_REPORT, 836 DEVLINK_TRAP_GENERIC_ID_MLD_V1_DONE, 837 DEVLINK_TRAP_GENERIC_ID_IPV4_DHCP, 838 DEVLINK_TRAP_GENERIC_ID_IPV6_DHCP, 839 DEVLINK_TRAP_GENERIC_ID_ARP_REQUEST, 840 DEVLINK_TRAP_GENERIC_ID_ARP_RESPONSE, 841 DEVLINK_TRAP_GENERIC_ID_ARP_OVERLAY, 842 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_SOLICIT, 843 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_ADVERT, 844 DEVLINK_TRAP_GENERIC_ID_IPV4_BFD, 845 DEVLINK_TRAP_GENERIC_ID_IPV6_BFD, 846 DEVLINK_TRAP_GENERIC_ID_IPV4_OSPF, 847 DEVLINK_TRAP_GENERIC_ID_IPV6_OSPF, 848 DEVLINK_TRAP_GENERIC_ID_IPV4_BGP, 849 DEVLINK_TRAP_GENERIC_ID_IPV6_BGP, 850 DEVLINK_TRAP_GENERIC_ID_IPV4_VRRP, 851 DEVLINK_TRAP_GENERIC_ID_IPV6_VRRP, 852 DEVLINK_TRAP_GENERIC_ID_IPV4_PIM, 853 DEVLINK_TRAP_GENERIC_ID_IPV6_PIM, 854 DEVLINK_TRAP_GENERIC_ID_UC_LB, 855 DEVLINK_TRAP_GENERIC_ID_LOCAL_ROUTE, 856 DEVLINK_TRAP_GENERIC_ID_EXTERNAL_ROUTE, 857 DEVLINK_TRAP_GENERIC_ID_IPV6_UC_DIP_LINK_LOCAL_SCOPE, 858 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_NODES, 859 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_ROUTERS, 860 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_SOLICIT, 861 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ADVERT, 862 DEVLINK_TRAP_GENERIC_ID_IPV6_REDIRECT, 863 DEVLINK_TRAP_GENERIC_ID_IPV4_ROUTER_ALERT, 864 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ALERT, 865 DEVLINK_TRAP_GENERIC_ID_PTP_EVENT, 866 DEVLINK_TRAP_GENERIC_ID_PTP_GENERAL, 867 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_SAMPLE, 868 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_TRAP, 869 DEVLINK_TRAP_GENERIC_ID_EARLY_DROP, 870 DEVLINK_TRAP_GENERIC_ID_VXLAN_PARSING, 871 DEVLINK_TRAP_GENERIC_ID_LLC_SNAP_PARSING, 872 DEVLINK_TRAP_GENERIC_ID_VLAN_PARSING, 873 DEVLINK_TRAP_GENERIC_ID_PPPOE_PPP_PARSING, 874 DEVLINK_TRAP_GENERIC_ID_MPLS_PARSING, 875 DEVLINK_TRAP_GENERIC_ID_ARP_PARSING, 876 DEVLINK_TRAP_GENERIC_ID_IP_1_PARSING, 877 DEVLINK_TRAP_GENERIC_ID_IP_N_PARSING, 878 DEVLINK_TRAP_GENERIC_ID_GRE_PARSING, 879 DEVLINK_TRAP_GENERIC_ID_UDP_PARSING, 880 DEVLINK_TRAP_GENERIC_ID_TCP_PARSING, 881 DEVLINK_TRAP_GENERIC_ID_IPSEC_PARSING, 882 DEVLINK_TRAP_GENERIC_ID_SCTP_PARSING, 883 DEVLINK_TRAP_GENERIC_ID_DCCP_PARSING, 884 DEVLINK_TRAP_GENERIC_ID_GTP_PARSING, 885 DEVLINK_TRAP_GENERIC_ID_ESP_PARSING, 886 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_NEXTHOP, 887 DEVLINK_TRAP_GENERIC_ID_DMAC_FILTER, 888 889 /* Add new generic trap IDs above */ 890 __DEVLINK_TRAP_GENERIC_ID_MAX, 891 DEVLINK_TRAP_GENERIC_ID_MAX = __DEVLINK_TRAP_GENERIC_ID_MAX - 1, 892 }; 893 894 /* All trap groups must be documented in 895 * Documentation/networking/devlink/devlink-trap.rst 896 */ 897 enum devlink_trap_group_generic_id { 898 DEVLINK_TRAP_GROUP_GENERIC_ID_L2_DROPS, 899 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_DROPS, 900 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_EXCEPTIONS, 901 DEVLINK_TRAP_GROUP_GENERIC_ID_BUFFER_DROPS, 902 DEVLINK_TRAP_GROUP_GENERIC_ID_TUNNEL_DROPS, 903 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_DROPS, 904 DEVLINK_TRAP_GROUP_GENERIC_ID_STP, 905 DEVLINK_TRAP_GROUP_GENERIC_ID_LACP, 906 DEVLINK_TRAP_GROUP_GENERIC_ID_LLDP, 907 DEVLINK_TRAP_GROUP_GENERIC_ID_MC_SNOOPING, 908 DEVLINK_TRAP_GROUP_GENERIC_ID_DHCP, 909 DEVLINK_TRAP_GROUP_GENERIC_ID_NEIGH_DISCOVERY, 910 DEVLINK_TRAP_GROUP_GENERIC_ID_BFD, 911 DEVLINK_TRAP_GROUP_GENERIC_ID_OSPF, 912 DEVLINK_TRAP_GROUP_GENERIC_ID_BGP, 913 DEVLINK_TRAP_GROUP_GENERIC_ID_VRRP, 914 DEVLINK_TRAP_GROUP_GENERIC_ID_PIM, 915 DEVLINK_TRAP_GROUP_GENERIC_ID_UC_LB, 916 DEVLINK_TRAP_GROUP_GENERIC_ID_LOCAL_DELIVERY, 917 DEVLINK_TRAP_GROUP_GENERIC_ID_EXTERNAL_DELIVERY, 918 DEVLINK_TRAP_GROUP_GENERIC_ID_IPV6, 919 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_EVENT, 920 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_GENERAL, 921 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_SAMPLE, 922 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_TRAP, 923 DEVLINK_TRAP_GROUP_GENERIC_ID_PARSER_ERROR_DROPS, 924 925 /* Add new generic trap group IDs above */ 926 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX, 927 DEVLINK_TRAP_GROUP_GENERIC_ID_MAX = 928 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX - 1, 929 }; 930 931 #define DEVLINK_TRAP_GENERIC_NAME_SMAC_MC \ 932 "source_mac_is_multicast" 933 #define DEVLINK_TRAP_GENERIC_NAME_VLAN_TAG_MISMATCH \ 934 "vlan_tag_mismatch" 935 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_VLAN_FILTER \ 936 "ingress_vlan_filter" 937 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_STP_FILTER \ 938 "ingress_spanning_tree_filter" 939 #define DEVLINK_TRAP_GENERIC_NAME_EMPTY_TX_LIST \ 940 "port_list_is_empty" 941 #define DEVLINK_TRAP_GENERIC_NAME_PORT_LOOPBACK_FILTER \ 942 "port_loopback_filter" 943 #define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_ROUTE \ 944 "blackhole_route" 945 #define DEVLINK_TRAP_GENERIC_NAME_TTL_ERROR \ 946 "ttl_value_is_too_small" 947 #define DEVLINK_TRAP_GENERIC_NAME_TAIL_DROP \ 948 "tail_drop" 949 #define DEVLINK_TRAP_GENERIC_NAME_NON_IP_PACKET \ 950 "non_ip" 951 #define DEVLINK_TRAP_GENERIC_NAME_UC_DIP_MC_DMAC \ 952 "uc_dip_over_mc_dmac" 953 #define DEVLINK_TRAP_GENERIC_NAME_DIP_LB \ 954 "dip_is_loopback_address" 955 #define DEVLINK_TRAP_GENERIC_NAME_SIP_MC \ 956 "sip_is_mc" 957 #define DEVLINK_TRAP_GENERIC_NAME_SIP_LB \ 958 "sip_is_loopback_address" 959 #define DEVLINK_TRAP_GENERIC_NAME_CORRUPTED_IP_HDR \ 960 "ip_header_corrupted" 961 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_SIP_BC \ 962 "ipv4_sip_is_limited_bc" 963 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_RESERVED_SCOPE \ 964 "ipv6_mc_dip_reserved_scope" 965 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE \ 966 "ipv6_mc_dip_interface_local_scope" 967 #define DEVLINK_TRAP_GENERIC_NAME_MTU_ERROR \ 968 "mtu_value_is_too_small" 969 #define DEVLINK_TRAP_GENERIC_NAME_UNRESOLVED_NEIGH \ 970 "unresolved_neigh" 971 #define DEVLINK_TRAP_GENERIC_NAME_RPF \ 972 "mc_reverse_path_forwarding" 973 #define DEVLINK_TRAP_GENERIC_NAME_REJECT_ROUTE \ 974 "reject_route" 975 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_LPM_UNICAST_MISS \ 976 "ipv4_lpm_miss" 977 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_LPM_UNICAST_MISS \ 978 "ipv6_lpm_miss" 979 #define DEVLINK_TRAP_GENERIC_NAME_NON_ROUTABLE \ 980 "non_routable_packet" 981 #define DEVLINK_TRAP_GENERIC_NAME_DECAP_ERROR \ 982 "decap_error" 983 #define DEVLINK_TRAP_GENERIC_NAME_OVERLAY_SMAC_MC \ 984 "overlay_smac_is_mc" 985 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_FLOW_ACTION_DROP \ 986 "ingress_flow_action_drop" 987 #define DEVLINK_TRAP_GENERIC_NAME_EGRESS_FLOW_ACTION_DROP \ 988 "egress_flow_action_drop" 989 #define DEVLINK_TRAP_GENERIC_NAME_STP \ 990 "stp" 991 #define DEVLINK_TRAP_GENERIC_NAME_LACP \ 992 "lacp" 993 #define DEVLINK_TRAP_GENERIC_NAME_LLDP \ 994 "lldp" 995 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_QUERY \ 996 "igmp_query" 997 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V1_REPORT \ 998 "igmp_v1_report" 999 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_REPORT \ 1000 "igmp_v2_report" 1001 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V3_REPORT \ 1002 "igmp_v3_report" 1003 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_LEAVE \ 1004 "igmp_v2_leave" 1005 #define DEVLINK_TRAP_GENERIC_NAME_MLD_QUERY \ 1006 "mld_query" 1007 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_REPORT \ 1008 "mld_v1_report" 1009 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V2_REPORT \ 1010 "mld_v2_report" 1011 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_DONE \ 1012 "mld_v1_done" 1013 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_DHCP \ 1014 "ipv4_dhcp" 1015 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DHCP \ 1016 "ipv6_dhcp" 1017 #define DEVLINK_TRAP_GENERIC_NAME_ARP_REQUEST \ 1018 "arp_request" 1019 #define DEVLINK_TRAP_GENERIC_NAME_ARP_RESPONSE \ 1020 "arp_response" 1021 #define DEVLINK_TRAP_GENERIC_NAME_ARP_OVERLAY \ 1022 "arp_overlay" 1023 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_SOLICIT \ 1024 "ipv6_neigh_solicit" 1025 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_ADVERT \ 1026 "ipv6_neigh_advert" 1027 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_BFD \ 1028 "ipv4_bfd" 1029 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_BFD \ 1030 "ipv6_bfd" 1031 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_OSPF \ 1032 "ipv4_ospf" 1033 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_OSPF \ 1034 "ipv6_ospf" 1035 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_BGP \ 1036 "ipv4_bgp" 1037 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_BGP \ 1038 "ipv6_bgp" 1039 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_VRRP \ 1040 "ipv4_vrrp" 1041 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_VRRP \ 1042 "ipv6_vrrp" 1043 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_PIM \ 1044 "ipv4_pim" 1045 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_PIM \ 1046 "ipv6_pim" 1047 #define DEVLINK_TRAP_GENERIC_NAME_UC_LB \ 1048 "uc_loopback" 1049 #define DEVLINK_TRAP_GENERIC_NAME_LOCAL_ROUTE \ 1050 "local_route" 1051 #define DEVLINK_TRAP_GENERIC_NAME_EXTERNAL_ROUTE \ 1052 "external_route" 1053 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_UC_DIP_LINK_LOCAL_SCOPE \ 1054 "ipv6_uc_dip_link_local_scope" 1055 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_NODES \ 1056 "ipv6_dip_all_nodes" 1057 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_ROUTERS \ 1058 "ipv6_dip_all_routers" 1059 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_SOLICIT \ 1060 "ipv6_router_solicit" 1061 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ADVERT \ 1062 "ipv6_router_advert" 1063 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_REDIRECT \ 1064 "ipv6_redirect" 1065 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_ROUTER_ALERT \ 1066 "ipv4_router_alert" 1067 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ALERT \ 1068 "ipv6_router_alert" 1069 #define DEVLINK_TRAP_GENERIC_NAME_PTP_EVENT \ 1070 "ptp_event" 1071 #define DEVLINK_TRAP_GENERIC_NAME_PTP_GENERAL \ 1072 "ptp_general" 1073 #define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_SAMPLE \ 1074 "flow_action_sample" 1075 #define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_TRAP \ 1076 "flow_action_trap" 1077 #define DEVLINK_TRAP_GENERIC_NAME_EARLY_DROP \ 1078 "early_drop" 1079 #define DEVLINK_TRAP_GENERIC_NAME_VXLAN_PARSING \ 1080 "vxlan_parsing" 1081 #define DEVLINK_TRAP_GENERIC_NAME_LLC_SNAP_PARSING \ 1082 "llc_snap_parsing" 1083 #define DEVLINK_TRAP_GENERIC_NAME_VLAN_PARSING \ 1084 "vlan_parsing" 1085 #define DEVLINK_TRAP_GENERIC_NAME_PPPOE_PPP_PARSING \ 1086 "pppoe_ppp_parsing" 1087 #define DEVLINK_TRAP_GENERIC_NAME_MPLS_PARSING \ 1088 "mpls_parsing" 1089 #define DEVLINK_TRAP_GENERIC_NAME_ARP_PARSING \ 1090 "arp_parsing" 1091 #define DEVLINK_TRAP_GENERIC_NAME_IP_1_PARSING \ 1092 "ip_1_parsing" 1093 #define DEVLINK_TRAP_GENERIC_NAME_IP_N_PARSING \ 1094 "ip_n_parsing" 1095 #define DEVLINK_TRAP_GENERIC_NAME_GRE_PARSING \ 1096 "gre_parsing" 1097 #define DEVLINK_TRAP_GENERIC_NAME_UDP_PARSING \ 1098 "udp_parsing" 1099 #define DEVLINK_TRAP_GENERIC_NAME_TCP_PARSING \ 1100 "tcp_parsing" 1101 #define DEVLINK_TRAP_GENERIC_NAME_IPSEC_PARSING \ 1102 "ipsec_parsing" 1103 #define DEVLINK_TRAP_GENERIC_NAME_SCTP_PARSING \ 1104 "sctp_parsing" 1105 #define DEVLINK_TRAP_GENERIC_NAME_DCCP_PARSING \ 1106 "dccp_parsing" 1107 #define DEVLINK_TRAP_GENERIC_NAME_GTP_PARSING \ 1108 "gtp_parsing" 1109 #define DEVLINK_TRAP_GENERIC_NAME_ESP_PARSING \ 1110 "esp_parsing" 1111 #define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_NEXTHOP \ 1112 "blackhole_nexthop" 1113 #define DEVLINK_TRAP_GENERIC_NAME_DMAC_FILTER \ 1114 "dmac_filter" 1115 1116 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L2_DROPS \ 1117 "l2_drops" 1118 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_DROPS \ 1119 "l3_drops" 1120 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_EXCEPTIONS \ 1121 "l3_exceptions" 1122 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BUFFER_DROPS \ 1123 "buffer_drops" 1124 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_TUNNEL_DROPS \ 1125 "tunnel_drops" 1126 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_DROPS \ 1127 "acl_drops" 1128 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_STP \ 1129 "stp" 1130 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LACP \ 1131 "lacp" 1132 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LLDP \ 1133 "lldp" 1134 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_MC_SNOOPING \ 1135 "mc_snooping" 1136 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_DHCP \ 1137 "dhcp" 1138 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_NEIGH_DISCOVERY \ 1139 "neigh_discovery" 1140 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BFD \ 1141 "bfd" 1142 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_OSPF \ 1143 "ospf" 1144 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BGP \ 1145 "bgp" 1146 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_VRRP \ 1147 "vrrp" 1148 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PIM \ 1149 "pim" 1150 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_UC_LB \ 1151 "uc_loopback" 1152 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LOCAL_DELIVERY \ 1153 "local_delivery" 1154 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_EXTERNAL_DELIVERY \ 1155 "external_delivery" 1156 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_IPV6 \ 1157 "ipv6" 1158 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_EVENT \ 1159 "ptp_event" 1160 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_GENERAL \ 1161 "ptp_general" 1162 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_SAMPLE \ 1163 "acl_sample" 1164 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_TRAP \ 1165 "acl_trap" 1166 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PARSER_ERROR_DROPS \ 1167 "parser_error_drops" 1168 1169 #define DEVLINK_TRAP_GENERIC(_type, _init_action, _id, _group_id, \ 1170 _metadata_cap) \ 1171 { \ 1172 .type = DEVLINK_TRAP_TYPE_##_type, \ 1173 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \ 1174 .generic = true, \ 1175 .id = DEVLINK_TRAP_GENERIC_ID_##_id, \ 1176 .name = DEVLINK_TRAP_GENERIC_NAME_##_id, \ 1177 .init_group_id = _group_id, \ 1178 .metadata_cap = _metadata_cap, \ 1179 } 1180 1181 #define DEVLINK_TRAP_DRIVER(_type, _init_action, _id, _name, _group_id, \ 1182 _metadata_cap) \ 1183 { \ 1184 .type = DEVLINK_TRAP_TYPE_##_type, \ 1185 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \ 1186 .generic = false, \ 1187 .id = _id, \ 1188 .name = _name, \ 1189 .init_group_id = _group_id, \ 1190 .metadata_cap = _metadata_cap, \ 1191 } 1192 1193 #define DEVLINK_TRAP_GROUP_GENERIC(_id, _policer_id) \ 1194 { \ 1195 .name = DEVLINK_TRAP_GROUP_GENERIC_NAME_##_id, \ 1196 .id = DEVLINK_TRAP_GROUP_GENERIC_ID_##_id, \ 1197 .generic = true, \ 1198 .init_policer_id = _policer_id, \ 1199 } 1200 1201 #define DEVLINK_TRAP_POLICER(_id, _rate, _burst, _max_rate, _min_rate, \ 1202 _max_burst, _min_burst) \ 1203 { \ 1204 .id = _id, \ 1205 .init_rate = _rate, \ 1206 .init_burst = _burst, \ 1207 .max_rate = _max_rate, \ 1208 .min_rate = _min_rate, \ 1209 .max_burst = _max_burst, \ 1210 .min_burst = _min_burst, \ 1211 } 1212 1213 enum { 1214 /* device supports reload operations */ 1215 DEVLINK_F_RELOAD = 1UL << 0, 1216 }; 1217 1218 struct devlink_ops { 1219 /** 1220 * @supported_flash_update_params: 1221 * mask of parameters supported by the driver's .flash_update 1222 * implemementation. 1223 */ 1224 u32 supported_flash_update_params; 1225 unsigned long reload_actions; 1226 unsigned long reload_limits; 1227 int (*reload_down)(struct devlink *devlink, bool netns_change, 1228 enum devlink_reload_action action, 1229 enum devlink_reload_limit limit, 1230 struct netlink_ext_ack *extack); 1231 int (*reload_up)(struct devlink *devlink, enum devlink_reload_action action, 1232 enum devlink_reload_limit limit, u32 *actions_performed, 1233 struct netlink_ext_ack *extack); 1234 int (*port_type_set)(struct devlink_port *devlink_port, 1235 enum devlink_port_type port_type); 1236 int (*port_split)(struct devlink *devlink, struct devlink_port *port, 1237 unsigned int count, struct netlink_ext_ack *extack); 1238 int (*port_unsplit)(struct devlink *devlink, struct devlink_port *port, 1239 struct netlink_ext_ack *extack); 1240 int (*sb_pool_get)(struct devlink *devlink, unsigned int sb_index, 1241 u16 pool_index, 1242 struct devlink_sb_pool_info *pool_info); 1243 int (*sb_pool_set)(struct devlink *devlink, unsigned int sb_index, 1244 u16 pool_index, u32 size, 1245 enum devlink_sb_threshold_type threshold_type, 1246 struct netlink_ext_ack *extack); 1247 int (*sb_port_pool_get)(struct devlink_port *devlink_port, 1248 unsigned int sb_index, u16 pool_index, 1249 u32 *p_threshold); 1250 int (*sb_port_pool_set)(struct devlink_port *devlink_port, 1251 unsigned int sb_index, u16 pool_index, 1252 u32 threshold, struct netlink_ext_ack *extack); 1253 int (*sb_tc_pool_bind_get)(struct devlink_port *devlink_port, 1254 unsigned int sb_index, 1255 u16 tc_index, 1256 enum devlink_sb_pool_type pool_type, 1257 u16 *p_pool_index, u32 *p_threshold); 1258 int (*sb_tc_pool_bind_set)(struct devlink_port *devlink_port, 1259 unsigned int sb_index, 1260 u16 tc_index, 1261 enum devlink_sb_pool_type pool_type, 1262 u16 pool_index, u32 threshold, 1263 struct netlink_ext_ack *extack); 1264 int (*sb_occ_snapshot)(struct devlink *devlink, 1265 unsigned int sb_index); 1266 int (*sb_occ_max_clear)(struct devlink *devlink, 1267 unsigned int sb_index); 1268 int (*sb_occ_port_pool_get)(struct devlink_port *devlink_port, 1269 unsigned int sb_index, u16 pool_index, 1270 u32 *p_cur, u32 *p_max); 1271 int (*sb_occ_tc_port_bind_get)(struct devlink_port *devlink_port, 1272 unsigned int sb_index, 1273 u16 tc_index, 1274 enum devlink_sb_pool_type pool_type, 1275 u32 *p_cur, u32 *p_max); 1276 1277 int (*eswitch_mode_get)(struct devlink *devlink, u16 *p_mode); 1278 int (*eswitch_mode_set)(struct devlink *devlink, u16 mode, 1279 struct netlink_ext_ack *extack); 1280 int (*eswitch_inline_mode_get)(struct devlink *devlink, u8 *p_inline_mode); 1281 int (*eswitch_inline_mode_set)(struct devlink *devlink, u8 inline_mode, 1282 struct netlink_ext_ack *extack); 1283 int (*eswitch_encap_mode_get)(struct devlink *devlink, 1284 enum devlink_eswitch_encap_mode *p_encap_mode); 1285 int (*eswitch_encap_mode_set)(struct devlink *devlink, 1286 enum devlink_eswitch_encap_mode encap_mode, 1287 struct netlink_ext_ack *extack); 1288 int (*info_get)(struct devlink *devlink, struct devlink_info_req *req, 1289 struct netlink_ext_ack *extack); 1290 /** 1291 * @flash_update: Device flash update function 1292 * 1293 * Used to perform a flash update for the device. The set of 1294 * parameters supported by the driver should be set in 1295 * supported_flash_update_params. 1296 */ 1297 int (*flash_update)(struct devlink *devlink, 1298 struct devlink_flash_update_params *params, 1299 struct netlink_ext_ack *extack); 1300 /** 1301 * @trap_init: Trap initialization function. 1302 * 1303 * Should be used by device drivers to initialize the trap in the 1304 * underlying device. Drivers should also store the provided trap 1305 * context, so that they could efficiently pass it to 1306 * devlink_trap_report() when the trap is triggered. 1307 */ 1308 int (*trap_init)(struct devlink *devlink, 1309 const struct devlink_trap *trap, void *trap_ctx); 1310 /** 1311 * @trap_fini: Trap de-initialization function. 1312 * 1313 * Should be used by device drivers to de-initialize the trap in the 1314 * underlying device. 1315 */ 1316 void (*trap_fini)(struct devlink *devlink, 1317 const struct devlink_trap *trap, void *trap_ctx); 1318 /** 1319 * @trap_action_set: Trap action set function. 1320 */ 1321 int (*trap_action_set)(struct devlink *devlink, 1322 const struct devlink_trap *trap, 1323 enum devlink_trap_action action, 1324 struct netlink_ext_ack *extack); 1325 /** 1326 * @trap_group_init: Trap group initialization function. 1327 * 1328 * Should be used by device drivers to initialize the trap group in the 1329 * underlying device. 1330 */ 1331 int (*trap_group_init)(struct devlink *devlink, 1332 const struct devlink_trap_group *group); 1333 /** 1334 * @trap_group_set: Trap group parameters set function. 1335 * 1336 * Note: @policer can be NULL when a policer is being unbound from 1337 * @group. 1338 */ 1339 int (*trap_group_set)(struct devlink *devlink, 1340 const struct devlink_trap_group *group, 1341 const struct devlink_trap_policer *policer, 1342 struct netlink_ext_ack *extack); 1343 /** 1344 * @trap_group_action_set: Trap group action set function. 1345 * 1346 * If this callback is populated, it will take precedence over looping 1347 * over all traps in a group and calling .trap_action_set(). 1348 */ 1349 int (*trap_group_action_set)(struct devlink *devlink, 1350 const struct devlink_trap_group *group, 1351 enum devlink_trap_action action, 1352 struct netlink_ext_ack *extack); 1353 /** 1354 * @trap_drop_counter_get: Trap drop counter get function. 1355 * 1356 * Should be used by device drivers to report number of packets 1357 * that have been dropped, and cannot be passed to the devlink 1358 * subsystem by the underlying device. 1359 */ 1360 int (*trap_drop_counter_get)(struct devlink *devlink, 1361 const struct devlink_trap *trap, 1362 u64 *p_drops); 1363 /** 1364 * @trap_policer_init: Trap policer initialization function. 1365 * 1366 * Should be used by device drivers to initialize the trap policer in 1367 * the underlying device. 1368 */ 1369 int (*trap_policer_init)(struct devlink *devlink, 1370 const struct devlink_trap_policer *policer); 1371 /** 1372 * @trap_policer_fini: Trap policer de-initialization function. 1373 * 1374 * Should be used by device drivers to de-initialize the trap policer 1375 * in the underlying device. 1376 */ 1377 void (*trap_policer_fini)(struct devlink *devlink, 1378 const struct devlink_trap_policer *policer); 1379 /** 1380 * @trap_policer_set: Trap policer parameters set function. 1381 */ 1382 int (*trap_policer_set)(struct devlink *devlink, 1383 const struct devlink_trap_policer *policer, 1384 u64 rate, u64 burst, 1385 struct netlink_ext_ack *extack); 1386 /** 1387 * @trap_policer_counter_get: Trap policer counter get function. 1388 * 1389 * Should be used by device drivers to report number of packets dropped 1390 * by the policer. 1391 */ 1392 int (*trap_policer_counter_get)(struct devlink *devlink, 1393 const struct devlink_trap_policer *policer, 1394 u64 *p_drops); 1395 /** 1396 * @port_function_hw_addr_get: Port function's hardware address get function. 1397 * 1398 * Should be used by device drivers to report the hardware address of a function managed 1399 * by the devlink port. Driver should return -EOPNOTSUPP if it doesn't support port 1400 * function handling for a particular port. 1401 * 1402 * Note: @extack can be NULL when port notifier queries the port function. 1403 */ 1404 int (*port_function_hw_addr_get)(struct devlink_port *port, u8 *hw_addr, 1405 int *hw_addr_len, 1406 struct netlink_ext_ack *extack); 1407 /** 1408 * @port_function_hw_addr_set: Port function's hardware address set function. 1409 * 1410 * Should be used by device drivers to set the hardware address of a function managed 1411 * by the devlink port. Driver should return -EOPNOTSUPP if it doesn't support port 1412 * function handling for a particular port. 1413 */ 1414 int (*port_function_hw_addr_set)(struct devlink_port *port, 1415 const u8 *hw_addr, int hw_addr_len, 1416 struct netlink_ext_ack *extack); 1417 /** 1418 * port_new() - Add a new port function of a specified flavor 1419 * @devlink: Devlink instance 1420 * @attrs: attributes of the new port 1421 * @extack: extack for reporting error messages 1422 * @new_port_index: index of the new port 1423 * 1424 * Devlink core will call this device driver function upon user request 1425 * to create a new port function of a specified flavor and optional 1426 * attributes 1427 * 1428 * Notes: 1429 * - Called without devlink instance lock being held. Drivers must 1430 * implement own means of synchronization 1431 * - On success, drivers must register a port with devlink core 1432 * 1433 * Return: 0 on success, negative value otherwise. 1434 */ 1435 int (*port_new)(struct devlink *devlink, 1436 const struct devlink_port_new_attrs *attrs, 1437 struct netlink_ext_ack *extack, 1438 unsigned int *new_port_index); 1439 /** 1440 * port_del() - Delete a port function 1441 * @devlink: Devlink instance 1442 * @port_index: port function index to delete 1443 * @extack: extack for reporting error messages 1444 * 1445 * Devlink core will call this device driver function upon user request 1446 * to delete a previously created port function 1447 * 1448 * Notes: 1449 * - Called without devlink instance lock being held. Drivers must 1450 * implement own means of synchronization 1451 * - On success, drivers must unregister the corresponding devlink 1452 * port 1453 * 1454 * Return: 0 on success, negative value otherwise. 1455 */ 1456 int (*port_del)(struct devlink *devlink, unsigned int port_index, 1457 struct netlink_ext_ack *extack); 1458 /** 1459 * port_fn_state_get() - Get the state of a port function 1460 * @devlink: Devlink instance 1461 * @port: The devlink port 1462 * @state: Admin configured state 1463 * @opstate: Current operational state 1464 * @extack: extack for reporting error messages 1465 * 1466 * Reports the admin and operational state of a devlink port function 1467 * 1468 * Return: 0 on success, negative value otherwise. 1469 */ 1470 int (*port_fn_state_get)(struct devlink_port *port, 1471 enum devlink_port_fn_state *state, 1472 enum devlink_port_fn_opstate *opstate, 1473 struct netlink_ext_ack *extack); 1474 /** 1475 * port_fn_state_set() - Set the admin state of a port function 1476 * @devlink: Devlink instance 1477 * @port: The devlink port 1478 * @state: Admin state 1479 * @extack: extack for reporting error messages 1480 * 1481 * Set the admin state of a devlink port function 1482 * 1483 * Return: 0 on success, negative value otherwise. 1484 */ 1485 int (*port_fn_state_set)(struct devlink_port *port, 1486 enum devlink_port_fn_state state, 1487 struct netlink_ext_ack *extack); 1488 1489 /** 1490 * Rate control callbacks. 1491 */ 1492 int (*rate_leaf_tx_share_set)(struct devlink_rate *devlink_rate, void *priv, 1493 u64 tx_share, struct netlink_ext_ack *extack); 1494 int (*rate_leaf_tx_max_set)(struct devlink_rate *devlink_rate, void *priv, 1495 u64 tx_max, struct netlink_ext_ack *extack); 1496 int (*rate_node_tx_share_set)(struct devlink_rate *devlink_rate, void *priv, 1497 u64 tx_share, struct netlink_ext_ack *extack); 1498 int (*rate_node_tx_max_set)(struct devlink_rate *devlink_rate, void *priv, 1499 u64 tx_max, struct netlink_ext_ack *extack); 1500 int (*rate_node_new)(struct devlink_rate *rate_node, void **priv, 1501 struct netlink_ext_ack *extack); 1502 int (*rate_node_del)(struct devlink_rate *rate_node, void *priv, 1503 struct netlink_ext_ack *extack); 1504 int (*rate_leaf_parent_set)(struct devlink_rate *child, 1505 struct devlink_rate *parent, 1506 void *priv_child, void *priv_parent, 1507 struct netlink_ext_ack *extack); 1508 int (*rate_node_parent_set)(struct devlink_rate *child, 1509 struct devlink_rate *parent, 1510 void *priv_child, void *priv_parent, 1511 struct netlink_ext_ack *extack); 1512 }; 1513 1514 void *devlink_priv(struct devlink *devlink); 1515 struct devlink *priv_to_devlink(void *priv); 1516 struct device *devlink_to_dev(const struct devlink *devlink); 1517 1518 /* Devlink instance explicit locking */ 1519 void devl_lock(struct devlink *devlink); 1520 void devl_unlock(struct devlink *devlink); 1521 void devl_assert_locked(struct devlink *devlink); 1522 bool devl_lock_is_held(struct devlink *devlink); 1523 1524 int devl_port_register(struct devlink *devlink, 1525 struct devlink_port *devlink_port, 1526 unsigned int port_index); 1527 void devl_port_unregister(struct devlink_port *devlink_port); 1528 1529 int devl_rate_leaf_create(struct devlink_port *port, void *priv); 1530 void devl_rate_leaf_destroy(struct devlink_port *devlink_port); 1531 void devl_rate_nodes_destroy(struct devlink *devlink); 1532 1533 struct ib_device; 1534 1535 struct net *devlink_net(const struct devlink *devlink); 1536 /* This call is intended for software devices that can create 1537 * devlink instances in other namespaces than init_net. 1538 * 1539 * Drivers that operate on real HW must use devlink_alloc() instead. 1540 */ 1541 struct devlink *devlink_alloc_ns(const struct devlink_ops *ops, 1542 size_t priv_size, struct net *net, 1543 struct device *dev); 1544 static inline struct devlink *devlink_alloc(const struct devlink_ops *ops, 1545 size_t priv_size, 1546 struct device *dev) 1547 { 1548 return devlink_alloc_ns(ops, priv_size, &init_net, dev); 1549 } 1550 void devlink_set_features(struct devlink *devlink, u64 features); 1551 void devlink_register(struct devlink *devlink); 1552 void devlink_unregister(struct devlink *devlink); 1553 void devlink_free(struct devlink *devlink); 1554 int devlink_port_register(struct devlink *devlink, 1555 struct devlink_port *devlink_port, 1556 unsigned int port_index); 1557 void devlink_port_unregister(struct devlink_port *devlink_port); 1558 void devlink_port_type_eth_set(struct devlink_port *devlink_port, 1559 struct net_device *netdev); 1560 void devlink_port_type_ib_set(struct devlink_port *devlink_port, 1561 struct ib_device *ibdev); 1562 void devlink_port_type_clear(struct devlink_port *devlink_port); 1563 void devlink_port_attrs_set(struct devlink_port *devlink_port, 1564 struct devlink_port_attrs *devlink_port_attrs); 1565 void devlink_port_attrs_pci_pf_set(struct devlink_port *devlink_port, u32 controller, 1566 u16 pf, bool external); 1567 void devlink_port_attrs_pci_vf_set(struct devlink_port *devlink_port, u32 controller, 1568 u16 pf, u16 vf, bool external); 1569 void devlink_port_attrs_pci_sf_set(struct devlink_port *devlink_port, 1570 u32 controller, u16 pf, u32 sf, 1571 bool external); 1572 int devlink_rate_leaf_create(struct devlink_port *port, void *priv); 1573 void devlink_rate_leaf_destroy(struct devlink_port *devlink_port); 1574 void devlink_rate_nodes_destroy(struct devlink *devlink); 1575 void devlink_port_linecard_set(struct devlink_port *devlink_port, 1576 struct devlink_linecard *linecard); 1577 struct devlink_linecard * 1578 devlink_linecard_create(struct devlink *devlink, unsigned int linecard_index, 1579 const struct devlink_linecard_ops *ops, void *priv); 1580 void devlink_linecard_destroy(struct devlink_linecard *linecard); 1581 void devlink_linecard_provision_set(struct devlink_linecard *linecard, 1582 const char *type); 1583 void devlink_linecard_provision_clear(struct devlink_linecard *linecard); 1584 void devlink_linecard_provision_fail(struct devlink_linecard *linecard); 1585 void devlink_linecard_activate(struct devlink_linecard *linecard); 1586 void devlink_linecard_deactivate(struct devlink_linecard *linecard); 1587 int devlink_sb_register(struct devlink *devlink, unsigned int sb_index, 1588 u32 size, u16 ingress_pools_count, 1589 u16 egress_pools_count, u16 ingress_tc_count, 1590 u16 egress_tc_count); 1591 void devlink_sb_unregister(struct devlink *devlink, unsigned int sb_index); 1592 int devlink_dpipe_table_register(struct devlink *devlink, 1593 const char *table_name, 1594 struct devlink_dpipe_table_ops *table_ops, 1595 void *priv, bool counter_control_extern); 1596 void devlink_dpipe_table_unregister(struct devlink *devlink, 1597 const char *table_name); 1598 int devlink_dpipe_headers_register(struct devlink *devlink, 1599 struct devlink_dpipe_headers *dpipe_headers); 1600 void devlink_dpipe_headers_unregister(struct devlink *devlink); 1601 bool devlink_dpipe_table_counter_enabled(struct devlink *devlink, 1602 const char *table_name); 1603 int devlink_dpipe_entry_ctx_prepare(struct devlink_dpipe_dump_ctx *dump_ctx); 1604 int devlink_dpipe_entry_ctx_append(struct devlink_dpipe_dump_ctx *dump_ctx, 1605 struct devlink_dpipe_entry *entry); 1606 int devlink_dpipe_entry_ctx_close(struct devlink_dpipe_dump_ctx *dump_ctx); 1607 void devlink_dpipe_entry_clear(struct devlink_dpipe_entry *entry); 1608 int devlink_dpipe_action_put(struct sk_buff *skb, 1609 struct devlink_dpipe_action *action); 1610 int devlink_dpipe_match_put(struct sk_buff *skb, 1611 struct devlink_dpipe_match *match); 1612 extern struct devlink_dpipe_header devlink_dpipe_header_ethernet; 1613 extern struct devlink_dpipe_header devlink_dpipe_header_ipv4; 1614 extern struct devlink_dpipe_header devlink_dpipe_header_ipv6; 1615 1616 int devlink_resource_register(struct devlink *devlink, 1617 const char *resource_name, 1618 u64 resource_size, 1619 u64 resource_id, 1620 u64 parent_resource_id, 1621 const struct devlink_resource_size_params *size_params); 1622 void devlink_resources_unregister(struct devlink *devlink); 1623 int devlink_resource_size_get(struct devlink *devlink, 1624 u64 resource_id, 1625 u64 *p_resource_size); 1626 int devlink_dpipe_table_resource_set(struct devlink *devlink, 1627 const char *table_name, u64 resource_id, 1628 u64 resource_units); 1629 void devlink_resource_occ_get_register(struct devlink *devlink, 1630 u64 resource_id, 1631 devlink_resource_occ_get_t *occ_get, 1632 void *occ_get_priv); 1633 void devlink_resource_occ_get_unregister(struct devlink *devlink, 1634 u64 resource_id); 1635 int devlink_params_register(struct devlink *devlink, 1636 const struct devlink_param *params, 1637 size_t params_count); 1638 void devlink_params_unregister(struct devlink *devlink, 1639 const struct devlink_param *params, 1640 size_t params_count); 1641 int devlink_param_register(struct devlink *devlink, 1642 const struct devlink_param *param); 1643 void devlink_param_unregister(struct devlink *devlink, 1644 const struct devlink_param *param); 1645 int devlink_param_driverinit_value_get(struct devlink *devlink, u32 param_id, 1646 union devlink_param_value *init_val); 1647 int devlink_param_driverinit_value_set(struct devlink *devlink, u32 param_id, 1648 union devlink_param_value init_val); 1649 void devlink_param_value_changed(struct devlink *devlink, u32 param_id); 1650 struct devlink_region * 1651 devlink_region_create(struct devlink *devlink, 1652 const struct devlink_region_ops *ops, 1653 u32 region_max_snapshots, u64 region_size); 1654 struct devlink_region * 1655 devlink_port_region_create(struct devlink_port *port, 1656 const struct devlink_port_region_ops *ops, 1657 u32 region_max_snapshots, u64 region_size); 1658 void devlink_region_destroy(struct devlink_region *region); 1659 void devlink_port_region_destroy(struct devlink_region *region); 1660 1661 int devlink_region_snapshot_id_get(struct devlink *devlink, u32 *id); 1662 void devlink_region_snapshot_id_put(struct devlink *devlink, u32 id); 1663 int devlink_region_snapshot_create(struct devlink_region *region, 1664 u8 *data, u32 snapshot_id); 1665 int devlink_info_serial_number_put(struct devlink_info_req *req, 1666 const char *sn); 1667 int devlink_info_driver_name_put(struct devlink_info_req *req, 1668 const char *name); 1669 int devlink_info_board_serial_number_put(struct devlink_info_req *req, 1670 const char *bsn); 1671 int devlink_info_version_fixed_put(struct devlink_info_req *req, 1672 const char *version_name, 1673 const char *version_value); 1674 int devlink_info_version_stored_put(struct devlink_info_req *req, 1675 const char *version_name, 1676 const char *version_value); 1677 int devlink_info_version_running_put(struct devlink_info_req *req, 1678 const char *version_name, 1679 const char *version_value); 1680 1681 int devlink_fmsg_obj_nest_start(struct devlink_fmsg *fmsg); 1682 int devlink_fmsg_obj_nest_end(struct devlink_fmsg *fmsg); 1683 1684 int devlink_fmsg_pair_nest_start(struct devlink_fmsg *fmsg, const char *name); 1685 int devlink_fmsg_pair_nest_end(struct devlink_fmsg *fmsg); 1686 1687 int devlink_fmsg_arr_pair_nest_start(struct devlink_fmsg *fmsg, 1688 const char *name); 1689 int devlink_fmsg_arr_pair_nest_end(struct devlink_fmsg *fmsg); 1690 int devlink_fmsg_binary_pair_nest_start(struct devlink_fmsg *fmsg, 1691 const char *name); 1692 int devlink_fmsg_binary_pair_nest_end(struct devlink_fmsg *fmsg); 1693 1694 int devlink_fmsg_u32_put(struct devlink_fmsg *fmsg, u32 value); 1695 int devlink_fmsg_string_put(struct devlink_fmsg *fmsg, const char *value); 1696 int devlink_fmsg_binary_put(struct devlink_fmsg *fmsg, const void *value, 1697 u16 value_len); 1698 1699 int devlink_fmsg_bool_pair_put(struct devlink_fmsg *fmsg, const char *name, 1700 bool value); 1701 int devlink_fmsg_u8_pair_put(struct devlink_fmsg *fmsg, const char *name, 1702 u8 value); 1703 int devlink_fmsg_u32_pair_put(struct devlink_fmsg *fmsg, const char *name, 1704 u32 value); 1705 int devlink_fmsg_u64_pair_put(struct devlink_fmsg *fmsg, const char *name, 1706 u64 value); 1707 int devlink_fmsg_string_pair_put(struct devlink_fmsg *fmsg, const char *name, 1708 const char *value); 1709 int devlink_fmsg_binary_pair_put(struct devlink_fmsg *fmsg, const char *name, 1710 const void *value, u32 value_len); 1711 1712 struct devlink_health_reporter * 1713 devlink_health_reporter_create(struct devlink *devlink, 1714 const struct devlink_health_reporter_ops *ops, 1715 u64 graceful_period, void *priv); 1716 1717 struct devlink_health_reporter * 1718 devlink_port_health_reporter_create(struct devlink_port *port, 1719 const struct devlink_health_reporter_ops *ops, 1720 u64 graceful_period, void *priv); 1721 1722 void 1723 devlink_health_reporter_destroy(struct devlink_health_reporter *reporter); 1724 1725 void 1726 devlink_port_health_reporter_destroy(struct devlink_health_reporter *reporter); 1727 1728 void * 1729 devlink_health_reporter_priv(struct devlink_health_reporter *reporter); 1730 int devlink_health_report(struct devlink_health_reporter *reporter, 1731 const char *msg, void *priv_ctx); 1732 void 1733 devlink_health_reporter_state_update(struct devlink_health_reporter *reporter, 1734 enum devlink_health_reporter_state state); 1735 void 1736 devlink_health_reporter_recovery_done(struct devlink_health_reporter *reporter); 1737 1738 bool devlink_is_reload_failed(const struct devlink *devlink); 1739 void devlink_remote_reload_actions_performed(struct devlink *devlink, 1740 enum devlink_reload_limit limit, 1741 u32 actions_performed); 1742 1743 void devlink_flash_update_status_notify(struct devlink *devlink, 1744 const char *status_msg, 1745 const char *component, 1746 unsigned long done, 1747 unsigned long total); 1748 void devlink_flash_update_timeout_notify(struct devlink *devlink, 1749 const char *status_msg, 1750 const char *component, 1751 unsigned long timeout); 1752 1753 int devlink_traps_register(struct devlink *devlink, 1754 const struct devlink_trap *traps, 1755 size_t traps_count, void *priv); 1756 void devlink_traps_unregister(struct devlink *devlink, 1757 const struct devlink_trap *traps, 1758 size_t traps_count); 1759 void devlink_trap_report(struct devlink *devlink, struct sk_buff *skb, 1760 void *trap_ctx, struct devlink_port *in_devlink_port, 1761 const struct flow_action_cookie *fa_cookie); 1762 void *devlink_trap_ctx_priv(void *trap_ctx); 1763 int devlink_trap_groups_register(struct devlink *devlink, 1764 const struct devlink_trap_group *groups, 1765 size_t groups_count); 1766 void devlink_trap_groups_unregister(struct devlink *devlink, 1767 const struct devlink_trap_group *groups, 1768 size_t groups_count); 1769 int 1770 devlink_trap_policers_register(struct devlink *devlink, 1771 const struct devlink_trap_policer *policers, 1772 size_t policers_count); 1773 void 1774 devlink_trap_policers_unregister(struct devlink *devlink, 1775 const struct devlink_trap_policer *policers, 1776 size_t policers_count); 1777 1778 #if IS_ENABLED(CONFIG_NET_DEVLINK) 1779 1780 struct devlink *__must_check devlink_try_get(struct devlink *devlink); 1781 void devlink_put(struct devlink *devlink); 1782 1783 void devlink_compat_running_version(struct devlink *devlink, 1784 char *buf, size_t len); 1785 int devlink_compat_flash_update(struct devlink *devlink, const char *file_name); 1786 int devlink_compat_phys_port_name_get(struct net_device *dev, 1787 char *name, size_t len); 1788 int devlink_compat_switch_id_get(struct net_device *dev, 1789 struct netdev_phys_item_id *ppid); 1790 1791 #else 1792 1793 static inline struct devlink *devlink_try_get(struct devlink *devlink) 1794 { 1795 return NULL; 1796 } 1797 1798 static inline void devlink_put(struct devlink *devlink) 1799 { 1800 } 1801 1802 static inline void 1803 devlink_compat_running_version(struct devlink *devlink, char *buf, size_t len) 1804 { 1805 } 1806 1807 static inline int 1808 devlink_compat_flash_update(struct devlink *devlink, const char *file_name) 1809 { 1810 return -EOPNOTSUPP; 1811 } 1812 1813 static inline int 1814 devlink_compat_phys_port_name_get(struct net_device *dev, 1815 char *name, size_t len) 1816 { 1817 return -EOPNOTSUPP; 1818 } 1819 1820 static inline int 1821 devlink_compat_switch_id_get(struct net_device *dev, 1822 struct netdev_phys_item_id *ppid) 1823 { 1824 return -EOPNOTSUPP; 1825 } 1826 1827 #endif 1828 1829 #endif /* _NET_DEVLINK_H_ */ 1830