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