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