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; 149 150 struct devlink_rate *devlink_rate; 151 struct devlink_linecard *linecard; 152 }; 153 154 struct devlink_port_new_attrs { 155 enum devlink_port_flavour flavour; 156 unsigned int port_index; 157 u32 controller; 158 u32 sfnum; 159 u16 pfnum; 160 u8 port_index_valid:1, 161 controller_valid:1, 162 sfnum_valid:1; 163 }; 164 165 /** 166 * struct devlink_linecard_ops - Linecard operations 167 * @provision: callback to provision the linecard slot with certain 168 * type of linecard. As a result of this operation, 169 * driver is expected to eventually (could be after 170 * the function call returns) call one of: 171 * devlink_linecard_provision_set() 172 * devlink_linecard_provision_fail() 173 * @unprovision: callback to unprovision the linecard slot. As a result 174 * of this operation, driver is expected to eventually 175 * (could be after the function call returns) call 176 * devlink_linecard_provision_clear() 177 * devlink_linecard_provision_fail() 178 * @same_provision: callback to ask the driver if linecard is already 179 * provisioned in the same way user asks this linecard to be 180 * provisioned. 181 * @types_count: callback to get number of supported types 182 * @types_get: callback to get next type in list 183 */ 184 struct devlink_linecard_ops { 185 int (*provision)(struct devlink_linecard *linecard, void *priv, 186 const char *type, const void *type_priv, 187 struct netlink_ext_ack *extack); 188 int (*unprovision)(struct devlink_linecard *linecard, void *priv, 189 struct netlink_ext_ack *extack); 190 bool (*same_provision)(struct devlink_linecard *linecard, void *priv, 191 const char *type, const void *type_priv); 192 unsigned int (*types_count)(struct devlink_linecard *linecard, 193 void *priv); 194 void (*types_get)(struct devlink_linecard *linecard, 195 void *priv, unsigned int index, const char **type, 196 const void **type_priv); 197 }; 198 199 struct devlink_sb_pool_info { 200 enum devlink_sb_pool_type pool_type; 201 u32 size; 202 enum devlink_sb_threshold_type threshold_type; 203 u32 cell_size; 204 }; 205 206 /** 207 * struct devlink_dpipe_field - dpipe field object 208 * @name: field name 209 * @id: index inside the headers field array 210 * @bitwidth: bitwidth 211 * @mapping_type: mapping type 212 */ 213 struct devlink_dpipe_field { 214 const char *name; 215 unsigned int id; 216 unsigned int bitwidth; 217 enum devlink_dpipe_field_mapping_type mapping_type; 218 }; 219 220 /** 221 * struct devlink_dpipe_header - dpipe header object 222 * @name: header name 223 * @id: index, global/local detrmined by global bit 224 * @fields: fields 225 * @fields_count: number of fields 226 * @global: indicates if header is shared like most protocol header 227 * or driver specific 228 */ 229 struct devlink_dpipe_header { 230 const char *name; 231 unsigned int id; 232 struct devlink_dpipe_field *fields; 233 unsigned int fields_count; 234 bool global; 235 }; 236 237 /** 238 * struct devlink_dpipe_match - represents match operation 239 * @type: type of match 240 * @header_index: header index (packets can have several headers of same 241 * type like in case of tunnels) 242 * @header: header 243 * @fieled_id: field index 244 */ 245 struct devlink_dpipe_match { 246 enum devlink_dpipe_match_type type; 247 unsigned int header_index; 248 struct devlink_dpipe_header *header; 249 unsigned int field_id; 250 }; 251 252 /** 253 * struct devlink_dpipe_action - represents action operation 254 * @type: type of action 255 * @header_index: header index (packets can have several headers of same 256 * type like in case of tunnels) 257 * @header: header 258 * @fieled_id: field index 259 */ 260 struct devlink_dpipe_action { 261 enum devlink_dpipe_action_type type; 262 unsigned int header_index; 263 struct devlink_dpipe_header *header; 264 unsigned int field_id; 265 }; 266 267 /** 268 * struct devlink_dpipe_value - represents value of match/action 269 * @action: action 270 * @match: match 271 * @mapping_value: in case the field has some mapping this value 272 * specified the mapping value 273 * @mapping_valid: specify if mapping value is valid 274 * @value_size: value size 275 * @value: value 276 * @mask: bit mask 277 */ 278 struct devlink_dpipe_value { 279 union { 280 struct devlink_dpipe_action *action; 281 struct devlink_dpipe_match *match; 282 }; 283 unsigned int mapping_value; 284 bool mapping_valid; 285 unsigned int value_size; 286 void *value; 287 void *mask; 288 }; 289 290 /** 291 * struct devlink_dpipe_entry - table entry object 292 * @index: index of the entry in the table 293 * @match_values: match values 294 * @matche_values_count: count of matches tuples 295 * @action_values: actions values 296 * @action_values_count: count of actions values 297 * @counter: value of counter 298 * @counter_valid: Specify if value is valid from hardware 299 */ 300 struct devlink_dpipe_entry { 301 u64 index; 302 struct devlink_dpipe_value *match_values; 303 unsigned int match_values_count; 304 struct devlink_dpipe_value *action_values; 305 unsigned int action_values_count; 306 u64 counter; 307 bool counter_valid; 308 }; 309 310 /** 311 * struct devlink_dpipe_dump_ctx - context provided to driver in order 312 * to dump 313 * @info: info 314 * @cmd: devlink command 315 * @skb: skb 316 * @nest: top attribute 317 * @hdr: hdr 318 */ 319 struct devlink_dpipe_dump_ctx { 320 struct genl_info *info; 321 enum devlink_command cmd; 322 struct sk_buff *skb; 323 struct nlattr *nest; 324 void *hdr; 325 }; 326 327 struct devlink_dpipe_table_ops; 328 329 /** 330 * struct devlink_dpipe_table - table object 331 * @priv: private 332 * @name: table name 333 * @counters_enabled: indicates if counters are active 334 * @counter_control_extern: indicates if counter control is in dpipe or 335 * external tool 336 * @resource_valid: Indicate that the resource id is valid 337 * @resource_id: relative resource this table is related to 338 * @resource_units: number of resource's unit consumed per table's entry 339 * @table_ops: table operations 340 * @rcu: rcu 341 */ 342 struct devlink_dpipe_table { 343 void *priv; 344 struct list_head list; 345 const char *name; 346 bool counters_enabled; 347 bool counter_control_extern; 348 bool resource_valid; 349 u64 resource_id; 350 u64 resource_units; 351 struct devlink_dpipe_table_ops *table_ops; 352 struct rcu_head rcu; 353 }; 354 355 /** 356 * struct devlink_dpipe_table_ops - dpipe_table ops 357 * @actions_dump - dumps all tables actions 358 * @matches_dump - dumps all tables matches 359 * @entries_dump - dumps all active entries in the table 360 * @counters_set_update - when changing the counter status hardware sync 361 * maybe needed to allocate/free counter related 362 * resources 363 * @size_get - get size 364 */ 365 struct devlink_dpipe_table_ops { 366 int (*actions_dump)(void *priv, struct sk_buff *skb); 367 int (*matches_dump)(void *priv, struct sk_buff *skb); 368 int (*entries_dump)(void *priv, bool counters_enabled, 369 struct devlink_dpipe_dump_ctx *dump_ctx); 370 int (*counters_set_update)(void *priv, bool enable); 371 u64 (*size_get)(void *priv); 372 }; 373 374 /** 375 * struct devlink_dpipe_headers - dpipe headers 376 * @headers - header array can be shared (global bit) or driver specific 377 * @headers_count - count of headers 378 */ 379 struct devlink_dpipe_headers { 380 struct devlink_dpipe_header **headers; 381 unsigned int headers_count; 382 }; 383 384 /** 385 * struct devlink_resource_size_params - resource's size parameters 386 * @size_min: minimum size which can be set 387 * @size_max: maximum size which can be set 388 * @size_granularity: size granularity 389 * @size_unit: resource's basic unit 390 */ 391 struct devlink_resource_size_params { 392 u64 size_min; 393 u64 size_max; 394 u64 size_granularity; 395 enum devlink_resource_unit unit; 396 }; 397 398 static inline void 399 devlink_resource_size_params_init(struct devlink_resource_size_params *size_params, 400 u64 size_min, u64 size_max, 401 u64 size_granularity, 402 enum devlink_resource_unit unit) 403 { 404 size_params->size_min = size_min; 405 size_params->size_max = size_max; 406 size_params->size_granularity = size_granularity; 407 size_params->unit = unit; 408 } 409 410 typedef u64 devlink_resource_occ_get_t(void *priv); 411 412 #define DEVLINK_RESOURCE_ID_PARENT_TOP 0 413 414 #define DEVLINK_RESOURCE_GENERIC_NAME_PORTS "physical_ports" 415 416 #define __DEVLINK_PARAM_MAX_STRING_VALUE 32 417 enum devlink_param_type { 418 DEVLINK_PARAM_TYPE_U8, 419 DEVLINK_PARAM_TYPE_U16, 420 DEVLINK_PARAM_TYPE_U32, 421 DEVLINK_PARAM_TYPE_STRING, 422 DEVLINK_PARAM_TYPE_BOOL, 423 }; 424 425 union devlink_param_value { 426 u8 vu8; 427 u16 vu16; 428 u32 vu32; 429 char vstr[__DEVLINK_PARAM_MAX_STRING_VALUE]; 430 bool vbool; 431 }; 432 433 struct devlink_param_gset_ctx { 434 union devlink_param_value val; 435 enum devlink_param_cmode cmode; 436 }; 437 438 /** 439 * struct devlink_flash_notify - devlink dev flash notify data 440 * @status_msg: current status string 441 * @component: firmware component being updated 442 * @done: amount of work completed of total amount 443 * @total: amount of work expected to be done 444 * @timeout: expected max timeout in seconds 445 * 446 * These are values to be given to userland to be displayed in order 447 * to show current activity in a firmware update process. 448 */ 449 struct devlink_flash_notify { 450 const char *status_msg; 451 const char *component; 452 unsigned long done; 453 unsigned long total; 454 unsigned long timeout; 455 }; 456 457 /** 458 * struct devlink_param - devlink configuration parameter data 459 * @name: name of the parameter 460 * @generic: indicates if the parameter is generic or driver specific 461 * @type: parameter type 462 * @supported_cmodes: bitmap of supported configuration modes 463 * @get: get parameter value, used for runtime and permanent 464 * configuration modes 465 * @set: set parameter value, used for runtime and permanent 466 * configuration modes 467 * @validate: validate input value is applicable (within value range, etc.) 468 * 469 * This struct should be used by the driver to fill the data for 470 * a parameter it registers. 471 */ 472 struct devlink_param { 473 u32 id; 474 const char *name; 475 bool generic; 476 enum devlink_param_type type; 477 unsigned long supported_cmodes; 478 int (*get)(struct devlink *devlink, u32 id, 479 struct devlink_param_gset_ctx *ctx); 480 int (*set)(struct devlink *devlink, u32 id, 481 struct devlink_param_gset_ctx *ctx); 482 int (*validate)(struct devlink *devlink, u32 id, 483 union devlink_param_value val, 484 struct netlink_ext_ack *extack); 485 }; 486 487 struct devlink_param_item { 488 struct list_head list; 489 const struct devlink_param *param; 490 union devlink_param_value driverinit_value; 491 bool driverinit_value_valid; 492 union devlink_param_value driverinit_value_new; /* Not reachable 493 * until reload. 494 */ 495 bool driverinit_value_new_valid; 496 }; 497 498 enum devlink_param_generic_id { 499 DEVLINK_PARAM_GENERIC_ID_INT_ERR_RESET, 500 DEVLINK_PARAM_GENERIC_ID_MAX_MACS, 501 DEVLINK_PARAM_GENERIC_ID_ENABLE_SRIOV, 502 DEVLINK_PARAM_GENERIC_ID_REGION_SNAPSHOT, 503 DEVLINK_PARAM_GENERIC_ID_IGNORE_ARI, 504 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX, 505 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN, 506 DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY, 507 DEVLINK_PARAM_GENERIC_ID_RESET_DEV_ON_DRV_PROBE, 508 DEVLINK_PARAM_GENERIC_ID_ENABLE_ROCE, 509 DEVLINK_PARAM_GENERIC_ID_ENABLE_REMOTE_DEV_RESET, 510 DEVLINK_PARAM_GENERIC_ID_ENABLE_ETH, 511 DEVLINK_PARAM_GENERIC_ID_ENABLE_RDMA, 512 DEVLINK_PARAM_GENERIC_ID_ENABLE_VNET, 513 DEVLINK_PARAM_GENERIC_ID_ENABLE_IWARP, 514 DEVLINK_PARAM_GENERIC_ID_IO_EQ_SIZE, 515 DEVLINK_PARAM_GENERIC_ID_EVENT_EQ_SIZE, 516 517 /* add new param generic ids above here*/ 518 __DEVLINK_PARAM_GENERIC_ID_MAX, 519 DEVLINK_PARAM_GENERIC_ID_MAX = __DEVLINK_PARAM_GENERIC_ID_MAX - 1, 520 }; 521 522 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_NAME "internal_error_reset" 523 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL 524 525 #define DEVLINK_PARAM_GENERIC_MAX_MACS_NAME "max_macs" 526 #define DEVLINK_PARAM_GENERIC_MAX_MACS_TYPE DEVLINK_PARAM_TYPE_U32 527 528 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_NAME "enable_sriov" 529 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_TYPE DEVLINK_PARAM_TYPE_BOOL 530 531 #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_NAME "region_snapshot_enable" 532 #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_TYPE DEVLINK_PARAM_TYPE_BOOL 533 534 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_NAME "ignore_ari" 535 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_TYPE DEVLINK_PARAM_TYPE_BOOL 536 537 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_NAME "msix_vec_per_pf_max" 538 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_TYPE DEVLINK_PARAM_TYPE_U32 539 540 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_NAME "msix_vec_per_pf_min" 541 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_TYPE DEVLINK_PARAM_TYPE_U32 542 543 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_NAME "fw_load_policy" 544 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_TYPE DEVLINK_PARAM_TYPE_U8 545 546 #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_NAME \ 547 "reset_dev_on_drv_probe" 548 #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_TYPE DEVLINK_PARAM_TYPE_U8 549 550 #define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_NAME "enable_roce" 551 #define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_TYPE DEVLINK_PARAM_TYPE_BOOL 552 553 #define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_NAME "enable_remote_dev_reset" 554 #define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL 555 556 #define DEVLINK_PARAM_GENERIC_ENABLE_ETH_NAME "enable_eth" 557 #define DEVLINK_PARAM_GENERIC_ENABLE_ETH_TYPE DEVLINK_PARAM_TYPE_BOOL 558 559 #define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_NAME "enable_rdma" 560 #define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_TYPE DEVLINK_PARAM_TYPE_BOOL 561 562 #define DEVLINK_PARAM_GENERIC_ENABLE_VNET_NAME "enable_vnet" 563 #define DEVLINK_PARAM_GENERIC_ENABLE_VNET_TYPE DEVLINK_PARAM_TYPE_BOOL 564 565 #define DEVLINK_PARAM_GENERIC_ENABLE_IWARP_NAME "enable_iwarp" 566 #define DEVLINK_PARAM_GENERIC_ENABLE_IWARP_TYPE DEVLINK_PARAM_TYPE_BOOL 567 568 #define DEVLINK_PARAM_GENERIC_IO_EQ_SIZE_NAME "io_eq_size" 569 #define DEVLINK_PARAM_GENERIC_IO_EQ_SIZE_TYPE DEVLINK_PARAM_TYPE_U32 570 571 #define DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_NAME "event_eq_size" 572 #define DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_TYPE DEVLINK_PARAM_TYPE_U32 573 574 #define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate) \ 575 { \ 576 .id = DEVLINK_PARAM_GENERIC_ID_##_id, \ 577 .name = DEVLINK_PARAM_GENERIC_##_id##_NAME, \ 578 .type = DEVLINK_PARAM_GENERIC_##_id##_TYPE, \ 579 .generic = true, \ 580 .supported_cmodes = _cmodes, \ 581 .get = _get, \ 582 .set = _set, \ 583 .validate = _validate, \ 584 } 585 586 #define DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, _get, _set, _validate) \ 587 { \ 588 .id = _id, \ 589 .name = _name, \ 590 .type = _type, \ 591 .supported_cmodes = _cmodes, \ 592 .get = _get, \ 593 .set = _set, \ 594 .validate = _validate, \ 595 } 596 597 /* Part number, identifier of board design */ 598 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_ID "board.id" 599 /* Revision of board design */ 600 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_REV "board.rev" 601 /* Maker of the board */ 602 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_MANUFACTURE "board.manufacture" 603 604 /* Part number, identifier of asic design */ 605 #define DEVLINK_INFO_VERSION_GENERIC_ASIC_ID "asic.id" 606 /* Revision of asic design */ 607 #define DEVLINK_INFO_VERSION_GENERIC_ASIC_REV "asic.rev" 608 609 /* Overall FW version */ 610 #define DEVLINK_INFO_VERSION_GENERIC_FW "fw" 611 /* Control processor FW version */ 612 #define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT "fw.mgmt" 613 /* FW interface specification version */ 614 #define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT_API "fw.mgmt.api" 615 /* Data path microcode controlling high-speed packet processing */ 616 #define DEVLINK_INFO_VERSION_GENERIC_FW_APP "fw.app" 617 /* UNDI software version */ 618 #define DEVLINK_INFO_VERSION_GENERIC_FW_UNDI "fw.undi" 619 /* NCSI support/handler version */ 620 #define DEVLINK_INFO_VERSION_GENERIC_FW_NCSI "fw.ncsi" 621 /* FW parameter set id */ 622 #define DEVLINK_INFO_VERSION_GENERIC_FW_PSID "fw.psid" 623 /* RoCE FW version */ 624 #define DEVLINK_INFO_VERSION_GENERIC_FW_ROCE "fw.roce" 625 /* Firmware bundle identifier */ 626 #define DEVLINK_INFO_VERSION_GENERIC_FW_BUNDLE_ID "fw.bundle_id" 627 /* Bootloader */ 628 #define DEVLINK_INFO_VERSION_GENERIC_FW_BOOTLOADER "fw.bootloader" 629 630 /** 631 * struct devlink_flash_update_params - Flash Update parameters 632 * @fw: pointer to the firmware data to update from 633 * @component: the flash component to update 634 * 635 * With the exception of fw, drivers must opt-in to parameters by 636 * setting the appropriate bit in the supported_flash_update_params field in 637 * their devlink_ops structure. 638 */ 639 struct devlink_flash_update_params { 640 const struct firmware *fw; 641 const char *component; 642 u32 overwrite_mask; 643 }; 644 645 #define DEVLINK_SUPPORT_FLASH_UPDATE_OVERWRITE_MASK BIT(0) 646 647 struct devlink_region; 648 struct devlink_info_req; 649 650 /** 651 * struct devlink_region_ops - Region operations 652 * @name: region name 653 * @destructor: callback used to free snapshot memory when deleting 654 * @snapshot: callback to request an immediate snapshot. On success, 655 * the data variable must be updated to point to the snapshot data. 656 * The function will be called while the devlink instance lock is 657 * held. 658 * @read: callback to directly read a portion of the region. On success, 659 * the data pointer will be updated with the contents of the 660 * requested portion of the region. The function will be called 661 * while the devlink instance lock is held. 662 * @priv: Pointer to driver private data for the region operation 663 */ 664 struct devlink_region_ops { 665 const char *name; 666 void (*destructor)(const void *data); 667 int (*snapshot)(struct devlink *devlink, 668 const struct devlink_region_ops *ops, 669 struct netlink_ext_ack *extack, 670 u8 **data); 671 int (*read)(struct devlink *devlink, 672 const struct devlink_region_ops *ops, 673 struct netlink_ext_ack *extack, 674 u64 offset, u32 size, u8 *data); 675 void *priv; 676 }; 677 678 /** 679 * struct devlink_port_region_ops - Region operations for a port 680 * @name: region name 681 * @destructor: callback used to free snapshot memory when deleting 682 * @snapshot: callback to request an immediate snapshot. On success, 683 * the data variable must be updated to point to the snapshot data. 684 * The function will be called while the devlink instance lock is 685 * held. 686 * @read: callback to directly read a portion of the region. On success, 687 * the data pointer will be updated with the contents of the 688 * requested portion of the region. The function will be called 689 * while the devlink instance lock is held. 690 * @priv: Pointer to driver private data for the region operation 691 */ 692 struct devlink_port_region_ops { 693 const char *name; 694 void (*destructor)(const void *data); 695 int (*snapshot)(struct devlink_port *port, 696 const struct devlink_port_region_ops *ops, 697 struct netlink_ext_ack *extack, 698 u8 **data); 699 int (*read)(struct devlink_port *port, 700 const struct devlink_port_region_ops *ops, 701 struct netlink_ext_ack *extack, 702 u64 offset, u32 size, u8 *data); 703 void *priv; 704 }; 705 706 struct devlink_fmsg; 707 struct devlink_health_reporter; 708 709 enum devlink_health_reporter_state { 710 DEVLINK_HEALTH_REPORTER_STATE_HEALTHY, 711 DEVLINK_HEALTH_REPORTER_STATE_ERROR, 712 }; 713 714 /** 715 * struct devlink_health_reporter_ops - Reporter operations 716 * @name: reporter name 717 * @recover: callback to recover from reported error 718 * if priv_ctx is NULL, run a full recover 719 * @dump: callback to dump an object 720 * if priv_ctx is NULL, run a full dump 721 * @diagnose: callback to diagnose the current status 722 * @test: callback to trigger a test event 723 */ 724 725 struct devlink_health_reporter_ops { 726 char *name; 727 int (*recover)(struct devlink_health_reporter *reporter, 728 void *priv_ctx, struct netlink_ext_ack *extack); 729 int (*dump)(struct devlink_health_reporter *reporter, 730 struct devlink_fmsg *fmsg, void *priv_ctx, 731 struct netlink_ext_ack *extack); 732 int (*diagnose)(struct devlink_health_reporter *reporter, 733 struct devlink_fmsg *fmsg, 734 struct netlink_ext_ack *extack); 735 int (*test)(struct devlink_health_reporter *reporter, 736 struct netlink_ext_ack *extack); 737 }; 738 739 /** 740 * struct devlink_trap_metadata - Packet trap metadata. 741 * @trap_name: Trap name. 742 * @trap_group_name: Trap group name. 743 * @input_dev: Input netdevice. 744 * @dev_tracker: refcount tracker for @input_dev. 745 * @fa_cookie: Flow action user cookie. 746 * @trap_type: Trap type. 747 */ 748 struct devlink_trap_metadata { 749 const char *trap_name; 750 const char *trap_group_name; 751 752 struct net_device *input_dev; 753 netdevice_tracker dev_tracker; 754 755 const struct flow_action_cookie *fa_cookie; 756 enum devlink_trap_type trap_type; 757 }; 758 759 /** 760 * struct devlink_trap_policer - Immutable packet trap policer attributes. 761 * @id: Policer identifier. 762 * @init_rate: Initial rate in packets / sec. 763 * @init_burst: Initial burst size in packets. 764 * @max_rate: Maximum rate. 765 * @min_rate: Minimum rate. 766 * @max_burst: Maximum burst size. 767 * @min_burst: Minimum burst size. 768 * 769 * Describes immutable attributes of packet trap policers that drivers register 770 * with devlink. 771 */ 772 struct devlink_trap_policer { 773 u32 id; 774 u64 init_rate; 775 u64 init_burst; 776 u64 max_rate; 777 u64 min_rate; 778 u64 max_burst; 779 u64 min_burst; 780 }; 781 782 /** 783 * struct devlink_trap_group - Immutable packet trap group attributes. 784 * @name: Trap group name. 785 * @id: Trap group identifier. 786 * @generic: Whether the trap group is generic or not. 787 * @init_policer_id: Initial policer identifier. 788 * 789 * Describes immutable attributes of packet trap groups that drivers register 790 * with devlink. 791 */ 792 struct devlink_trap_group { 793 const char *name; 794 u16 id; 795 bool generic; 796 u32 init_policer_id; 797 }; 798 799 #define DEVLINK_TRAP_METADATA_TYPE_F_IN_PORT BIT(0) 800 #define DEVLINK_TRAP_METADATA_TYPE_F_FA_COOKIE BIT(1) 801 802 /** 803 * struct devlink_trap - Immutable packet trap attributes. 804 * @type: Trap type. 805 * @init_action: Initial trap action. 806 * @generic: Whether the trap is generic or not. 807 * @id: Trap identifier. 808 * @name: Trap name. 809 * @init_group_id: Initial group identifier. 810 * @metadata_cap: Metadata types that can be provided by the trap. 811 * 812 * Describes immutable attributes of packet traps that drivers register with 813 * devlink. 814 */ 815 struct devlink_trap { 816 enum devlink_trap_type type; 817 enum devlink_trap_action init_action; 818 bool generic; 819 u16 id; 820 const char *name; 821 u16 init_group_id; 822 u32 metadata_cap; 823 }; 824 825 /* All traps must be documented in 826 * Documentation/networking/devlink/devlink-trap.rst 827 */ 828 enum devlink_trap_generic_id { 829 DEVLINK_TRAP_GENERIC_ID_SMAC_MC, 830 DEVLINK_TRAP_GENERIC_ID_VLAN_TAG_MISMATCH, 831 DEVLINK_TRAP_GENERIC_ID_INGRESS_VLAN_FILTER, 832 DEVLINK_TRAP_GENERIC_ID_INGRESS_STP_FILTER, 833 DEVLINK_TRAP_GENERIC_ID_EMPTY_TX_LIST, 834 DEVLINK_TRAP_GENERIC_ID_PORT_LOOPBACK_FILTER, 835 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_ROUTE, 836 DEVLINK_TRAP_GENERIC_ID_TTL_ERROR, 837 DEVLINK_TRAP_GENERIC_ID_TAIL_DROP, 838 DEVLINK_TRAP_GENERIC_ID_NON_IP_PACKET, 839 DEVLINK_TRAP_GENERIC_ID_UC_DIP_MC_DMAC, 840 DEVLINK_TRAP_GENERIC_ID_DIP_LB, 841 DEVLINK_TRAP_GENERIC_ID_SIP_MC, 842 DEVLINK_TRAP_GENERIC_ID_SIP_LB, 843 DEVLINK_TRAP_GENERIC_ID_CORRUPTED_IP_HDR, 844 DEVLINK_TRAP_GENERIC_ID_IPV4_SIP_BC, 845 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_RESERVED_SCOPE, 846 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE, 847 DEVLINK_TRAP_GENERIC_ID_MTU_ERROR, 848 DEVLINK_TRAP_GENERIC_ID_UNRESOLVED_NEIGH, 849 DEVLINK_TRAP_GENERIC_ID_RPF, 850 DEVLINK_TRAP_GENERIC_ID_REJECT_ROUTE, 851 DEVLINK_TRAP_GENERIC_ID_IPV4_LPM_UNICAST_MISS, 852 DEVLINK_TRAP_GENERIC_ID_IPV6_LPM_UNICAST_MISS, 853 DEVLINK_TRAP_GENERIC_ID_NON_ROUTABLE, 854 DEVLINK_TRAP_GENERIC_ID_DECAP_ERROR, 855 DEVLINK_TRAP_GENERIC_ID_OVERLAY_SMAC_MC, 856 DEVLINK_TRAP_GENERIC_ID_INGRESS_FLOW_ACTION_DROP, 857 DEVLINK_TRAP_GENERIC_ID_EGRESS_FLOW_ACTION_DROP, 858 DEVLINK_TRAP_GENERIC_ID_STP, 859 DEVLINK_TRAP_GENERIC_ID_LACP, 860 DEVLINK_TRAP_GENERIC_ID_LLDP, 861 DEVLINK_TRAP_GENERIC_ID_IGMP_QUERY, 862 DEVLINK_TRAP_GENERIC_ID_IGMP_V1_REPORT, 863 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_REPORT, 864 DEVLINK_TRAP_GENERIC_ID_IGMP_V3_REPORT, 865 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_LEAVE, 866 DEVLINK_TRAP_GENERIC_ID_MLD_QUERY, 867 DEVLINK_TRAP_GENERIC_ID_MLD_V1_REPORT, 868 DEVLINK_TRAP_GENERIC_ID_MLD_V2_REPORT, 869 DEVLINK_TRAP_GENERIC_ID_MLD_V1_DONE, 870 DEVLINK_TRAP_GENERIC_ID_IPV4_DHCP, 871 DEVLINK_TRAP_GENERIC_ID_IPV6_DHCP, 872 DEVLINK_TRAP_GENERIC_ID_ARP_REQUEST, 873 DEVLINK_TRAP_GENERIC_ID_ARP_RESPONSE, 874 DEVLINK_TRAP_GENERIC_ID_ARP_OVERLAY, 875 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_SOLICIT, 876 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_ADVERT, 877 DEVLINK_TRAP_GENERIC_ID_IPV4_BFD, 878 DEVLINK_TRAP_GENERIC_ID_IPV6_BFD, 879 DEVLINK_TRAP_GENERIC_ID_IPV4_OSPF, 880 DEVLINK_TRAP_GENERIC_ID_IPV6_OSPF, 881 DEVLINK_TRAP_GENERIC_ID_IPV4_BGP, 882 DEVLINK_TRAP_GENERIC_ID_IPV6_BGP, 883 DEVLINK_TRAP_GENERIC_ID_IPV4_VRRP, 884 DEVLINK_TRAP_GENERIC_ID_IPV6_VRRP, 885 DEVLINK_TRAP_GENERIC_ID_IPV4_PIM, 886 DEVLINK_TRAP_GENERIC_ID_IPV6_PIM, 887 DEVLINK_TRAP_GENERIC_ID_UC_LB, 888 DEVLINK_TRAP_GENERIC_ID_LOCAL_ROUTE, 889 DEVLINK_TRAP_GENERIC_ID_EXTERNAL_ROUTE, 890 DEVLINK_TRAP_GENERIC_ID_IPV6_UC_DIP_LINK_LOCAL_SCOPE, 891 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_NODES, 892 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_ROUTERS, 893 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_SOLICIT, 894 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ADVERT, 895 DEVLINK_TRAP_GENERIC_ID_IPV6_REDIRECT, 896 DEVLINK_TRAP_GENERIC_ID_IPV4_ROUTER_ALERT, 897 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ALERT, 898 DEVLINK_TRAP_GENERIC_ID_PTP_EVENT, 899 DEVLINK_TRAP_GENERIC_ID_PTP_GENERAL, 900 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_SAMPLE, 901 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_TRAP, 902 DEVLINK_TRAP_GENERIC_ID_EARLY_DROP, 903 DEVLINK_TRAP_GENERIC_ID_VXLAN_PARSING, 904 DEVLINK_TRAP_GENERIC_ID_LLC_SNAP_PARSING, 905 DEVLINK_TRAP_GENERIC_ID_VLAN_PARSING, 906 DEVLINK_TRAP_GENERIC_ID_PPPOE_PPP_PARSING, 907 DEVLINK_TRAP_GENERIC_ID_MPLS_PARSING, 908 DEVLINK_TRAP_GENERIC_ID_ARP_PARSING, 909 DEVLINK_TRAP_GENERIC_ID_IP_1_PARSING, 910 DEVLINK_TRAP_GENERIC_ID_IP_N_PARSING, 911 DEVLINK_TRAP_GENERIC_ID_GRE_PARSING, 912 DEVLINK_TRAP_GENERIC_ID_UDP_PARSING, 913 DEVLINK_TRAP_GENERIC_ID_TCP_PARSING, 914 DEVLINK_TRAP_GENERIC_ID_IPSEC_PARSING, 915 DEVLINK_TRAP_GENERIC_ID_SCTP_PARSING, 916 DEVLINK_TRAP_GENERIC_ID_DCCP_PARSING, 917 DEVLINK_TRAP_GENERIC_ID_GTP_PARSING, 918 DEVLINK_TRAP_GENERIC_ID_ESP_PARSING, 919 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_NEXTHOP, 920 DEVLINK_TRAP_GENERIC_ID_DMAC_FILTER, 921 DEVLINK_TRAP_GENERIC_ID_EAPOL, 922 DEVLINK_TRAP_GENERIC_ID_LOCKED_PORT, 923 924 /* Add new generic trap IDs above */ 925 __DEVLINK_TRAP_GENERIC_ID_MAX, 926 DEVLINK_TRAP_GENERIC_ID_MAX = __DEVLINK_TRAP_GENERIC_ID_MAX - 1, 927 }; 928 929 /* All trap groups must be documented in 930 * Documentation/networking/devlink/devlink-trap.rst 931 */ 932 enum devlink_trap_group_generic_id { 933 DEVLINK_TRAP_GROUP_GENERIC_ID_L2_DROPS, 934 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_DROPS, 935 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_EXCEPTIONS, 936 DEVLINK_TRAP_GROUP_GENERIC_ID_BUFFER_DROPS, 937 DEVLINK_TRAP_GROUP_GENERIC_ID_TUNNEL_DROPS, 938 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_DROPS, 939 DEVLINK_TRAP_GROUP_GENERIC_ID_STP, 940 DEVLINK_TRAP_GROUP_GENERIC_ID_LACP, 941 DEVLINK_TRAP_GROUP_GENERIC_ID_LLDP, 942 DEVLINK_TRAP_GROUP_GENERIC_ID_MC_SNOOPING, 943 DEVLINK_TRAP_GROUP_GENERIC_ID_DHCP, 944 DEVLINK_TRAP_GROUP_GENERIC_ID_NEIGH_DISCOVERY, 945 DEVLINK_TRAP_GROUP_GENERIC_ID_BFD, 946 DEVLINK_TRAP_GROUP_GENERIC_ID_OSPF, 947 DEVLINK_TRAP_GROUP_GENERIC_ID_BGP, 948 DEVLINK_TRAP_GROUP_GENERIC_ID_VRRP, 949 DEVLINK_TRAP_GROUP_GENERIC_ID_PIM, 950 DEVLINK_TRAP_GROUP_GENERIC_ID_UC_LB, 951 DEVLINK_TRAP_GROUP_GENERIC_ID_LOCAL_DELIVERY, 952 DEVLINK_TRAP_GROUP_GENERIC_ID_EXTERNAL_DELIVERY, 953 DEVLINK_TRAP_GROUP_GENERIC_ID_IPV6, 954 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_EVENT, 955 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_GENERAL, 956 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_SAMPLE, 957 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_TRAP, 958 DEVLINK_TRAP_GROUP_GENERIC_ID_PARSER_ERROR_DROPS, 959 DEVLINK_TRAP_GROUP_GENERIC_ID_EAPOL, 960 961 /* Add new generic trap group IDs above */ 962 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX, 963 DEVLINK_TRAP_GROUP_GENERIC_ID_MAX = 964 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX - 1, 965 }; 966 967 #define DEVLINK_TRAP_GENERIC_NAME_SMAC_MC \ 968 "source_mac_is_multicast" 969 #define DEVLINK_TRAP_GENERIC_NAME_VLAN_TAG_MISMATCH \ 970 "vlan_tag_mismatch" 971 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_VLAN_FILTER \ 972 "ingress_vlan_filter" 973 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_STP_FILTER \ 974 "ingress_spanning_tree_filter" 975 #define DEVLINK_TRAP_GENERIC_NAME_EMPTY_TX_LIST \ 976 "port_list_is_empty" 977 #define DEVLINK_TRAP_GENERIC_NAME_PORT_LOOPBACK_FILTER \ 978 "port_loopback_filter" 979 #define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_ROUTE \ 980 "blackhole_route" 981 #define DEVLINK_TRAP_GENERIC_NAME_TTL_ERROR \ 982 "ttl_value_is_too_small" 983 #define DEVLINK_TRAP_GENERIC_NAME_TAIL_DROP \ 984 "tail_drop" 985 #define DEVLINK_TRAP_GENERIC_NAME_NON_IP_PACKET \ 986 "non_ip" 987 #define DEVLINK_TRAP_GENERIC_NAME_UC_DIP_MC_DMAC \ 988 "uc_dip_over_mc_dmac" 989 #define DEVLINK_TRAP_GENERIC_NAME_DIP_LB \ 990 "dip_is_loopback_address" 991 #define DEVLINK_TRAP_GENERIC_NAME_SIP_MC \ 992 "sip_is_mc" 993 #define DEVLINK_TRAP_GENERIC_NAME_SIP_LB \ 994 "sip_is_loopback_address" 995 #define DEVLINK_TRAP_GENERIC_NAME_CORRUPTED_IP_HDR \ 996 "ip_header_corrupted" 997 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_SIP_BC \ 998 "ipv4_sip_is_limited_bc" 999 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_RESERVED_SCOPE \ 1000 "ipv6_mc_dip_reserved_scope" 1001 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE \ 1002 "ipv6_mc_dip_interface_local_scope" 1003 #define DEVLINK_TRAP_GENERIC_NAME_MTU_ERROR \ 1004 "mtu_value_is_too_small" 1005 #define DEVLINK_TRAP_GENERIC_NAME_UNRESOLVED_NEIGH \ 1006 "unresolved_neigh" 1007 #define DEVLINK_TRAP_GENERIC_NAME_RPF \ 1008 "mc_reverse_path_forwarding" 1009 #define DEVLINK_TRAP_GENERIC_NAME_REJECT_ROUTE \ 1010 "reject_route" 1011 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_LPM_UNICAST_MISS \ 1012 "ipv4_lpm_miss" 1013 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_LPM_UNICAST_MISS \ 1014 "ipv6_lpm_miss" 1015 #define DEVLINK_TRAP_GENERIC_NAME_NON_ROUTABLE \ 1016 "non_routable_packet" 1017 #define DEVLINK_TRAP_GENERIC_NAME_DECAP_ERROR \ 1018 "decap_error" 1019 #define DEVLINK_TRAP_GENERIC_NAME_OVERLAY_SMAC_MC \ 1020 "overlay_smac_is_mc" 1021 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_FLOW_ACTION_DROP \ 1022 "ingress_flow_action_drop" 1023 #define DEVLINK_TRAP_GENERIC_NAME_EGRESS_FLOW_ACTION_DROP \ 1024 "egress_flow_action_drop" 1025 #define DEVLINK_TRAP_GENERIC_NAME_STP \ 1026 "stp" 1027 #define DEVLINK_TRAP_GENERIC_NAME_LACP \ 1028 "lacp" 1029 #define DEVLINK_TRAP_GENERIC_NAME_LLDP \ 1030 "lldp" 1031 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_QUERY \ 1032 "igmp_query" 1033 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V1_REPORT \ 1034 "igmp_v1_report" 1035 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_REPORT \ 1036 "igmp_v2_report" 1037 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V3_REPORT \ 1038 "igmp_v3_report" 1039 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_LEAVE \ 1040 "igmp_v2_leave" 1041 #define DEVLINK_TRAP_GENERIC_NAME_MLD_QUERY \ 1042 "mld_query" 1043 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_REPORT \ 1044 "mld_v1_report" 1045 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V2_REPORT \ 1046 "mld_v2_report" 1047 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_DONE \ 1048 "mld_v1_done" 1049 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_DHCP \ 1050 "ipv4_dhcp" 1051 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DHCP \ 1052 "ipv6_dhcp" 1053 #define DEVLINK_TRAP_GENERIC_NAME_ARP_REQUEST \ 1054 "arp_request" 1055 #define DEVLINK_TRAP_GENERIC_NAME_ARP_RESPONSE \ 1056 "arp_response" 1057 #define DEVLINK_TRAP_GENERIC_NAME_ARP_OVERLAY \ 1058 "arp_overlay" 1059 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_SOLICIT \ 1060 "ipv6_neigh_solicit" 1061 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_ADVERT \ 1062 "ipv6_neigh_advert" 1063 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_BFD \ 1064 "ipv4_bfd" 1065 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_BFD \ 1066 "ipv6_bfd" 1067 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_OSPF \ 1068 "ipv4_ospf" 1069 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_OSPF \ 1070 "ipv6_ospf" 1071 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_BGP \ 1072 "ipv4_bgp" 1073 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_BGP \ 1074 "ipv6_bgp" 1075 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_VRRP \ 1076 "ipv4_vrrp" 1077 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_VRRP \ 1078 "ipv6_vrrp" 1079 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_PIM \ 1080 "ipv4_pim" 1081 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_PIM \ 1082 "ipv6_pim" 1083 #define DEVLINK_TRAP_GENERIC_NAME_UC_LB \ 1084 "uc_loopback" 1085 #define DEVLINK_TRAP_GENERIC_NAME_LOCAL_ROUTE \ 1086 "local_route" 1087 #define DEVLINK_TRAP_GENERIC_NAME_EXTERNAL_ROUTE \ 1088 "external_route" 1089 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_UC_DIP_LINK_LOCAL_SCOPE \ 1090 "ipv6_uc_dip_link_local_scope" 1091 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_NODES \ 1092 "ipv6_dip_all_nodes" 1093 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_ROUTERS \ 1094 "ipv6_dip_all_routers" 1095 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_SOLICIT \ 1096 "ipv6_router_solicit" 1097 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ADVERT \ 1098 "ipv6_router_advert" 1099 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_REDIRECT \ 1100 "ipv6_redirect" 1101 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_ROUTER_ALERT \ 1102 "ipv4_router_alert" 1103 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ALERT \ 1104 "ipv6_router_alert" 1105 #define DEVLINK_TRAP_GENERIC_NAME_PTP_EVENT \ 1106 "ptp_event" 1107 #define DEVLINK_TRAP_GENERIC_NAME_PTP_GENERAL \ 1108 "ptp_general" 1109 #define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_SAMPLE \ 1110 "flow_action_sample" 1111 #define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_TRAP \ 1112 "flow_action_trap" 1113 #define DEVLINK_TRAP_GENERIC_NAME_EARLY_DROP \ 1114 "early_drop" 1115 #define DEVLINK_TRAP_GENERIC_NAME_VXLAN_PARSING \ 1116 "vxlan_parsing" 1117 #define DEVLINK_TRAP_GENERIC_NAME_LLC_SNAP_PARSING \ 1118 "llc_snap_parsing" 1119 #define DEVLINK_TRAP_GENERIC_NAME_VLAN_PARSING \ 1120 "vlan_parsing" 1121 #define DEVLINK_TRAP_GENERIC_NAME_PPPOE_PPP_PARSING \ 1122 "pppoe_ppp_parsing" 1123 #define DEVLINK_TRAP_GENERIC_NAME_MPLS_PARSING \ 1124 "mpls_parsing" 1125 #define DEVLINK_TRAP_GENERIC_NAME_ARP_PARSING \ 1126 "arp_parsing" 1127 #define DEVLINK_TRAP_GENERIC_NAME_IP_1_PARSING \ 1128 "ip_1_parsing" 1129 #define DEVLINK_TRAP_GENERIC_NAME_IP_N_PARSING \ 1130 "ip_n_parsing" 1131 #define DEVLINK_TRAP_GENERIC_NAME_GRE_PARSING \ 1132 "gre_parsing" 1133 #define DEVLINK_TRAP_GENERIC_NAME_UDP_PARSING \ 1134 "udp_parsing" 1135 #define DEVLINK_TRAP_GENERIC_NAME_TCP_PARSING \ 1136 "tcp_parsing" 1137 #define DEVLINK_TRAP_GENERIC_NAME_IPSEC_PARSING \ 1138 "ipsec_parsing" 1139 #define DEVLINK_TRAP_GENERIC_NAME_SCTP_PARSING \ 1140 "sctp_parsing" 1141 #define DEVLINK_TRAP_GENERIC_NAME_DCCP_PARSING \ 1142 "dccp_parsing" 1143 #define DEVLINK_TRAP_GENERIC_NAME_GTP_PARSING \ 1144 "gtp_parsing" 1145 #define DEVLINK_TRAP_GENERIC_NAME_ESP_PARSING \ 1146 "esp_parsing" 1147 #define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_NEXTHOP \ 1148 "blackhole_nexthop" 1149 #define DEVLINK_TRAP_GENERIC_NAME_DMAC_FILTER \ 1150 "dmac_filter" 1151 #define DEVLINK_TRAP_GENERIC_NAME_EAPOL \ 1152 "eapol" 1153 #define DEVLINK_TRAP_GENERIC_NAME_LOCKED_PORT \ 1154 "locked_port" 1155 1156 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L2_DROPS \ 1157 "l2_drops" 1158 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_DROPS \ 1159 "l3_drops" 1160 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_EXCEPTIONS \ 1161 "l3_exceptions" 1162 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BUFFER_DROPS \ 1163 "buffer_drops" 1164 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_TUNNEL_DROPS \ 1165 "tunnel_drops" 1166 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_DROPS \ 1167 "acl_drops" 1168 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_STP \ 1169 "stp" 1170 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LACP \ 1171 "lacp" 1172 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LLDP \ 1173 "lldp" 1174 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_MC_SNOOPING \ 1175 "mc_snooping" 1176 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_DHCP \ 1177 "dhcp" 1178 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_NEIGH_DISCOVERY \ 1179 "neigh_discovery" 1180 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BFD \ 1181 "bfd" 1182 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_OSPF \ 1183 "ospf" 1184 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BGP \ 1185 "bgp" 1186 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_VRRP \ 1187 "vrrp" 1188 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PIM \ 1189 "pim" 1190 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_UC_LB \ 1191 "uc_loopback" 1192 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LOCAL_DELIVERY \ 1193 "local_delivery" 1194 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_EXTERNAL_DELIVERY \ 1195 "external_delivery" 1196 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_IPV6 \ 1197 "ipv6" 1198 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_EVENT \ 1199 "ptp_event" 1200 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_GENERAL \ 1201 "ptp_general" 1202 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_SAMPLE \ 1203 "acl_sample" 1204 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_TRAP \ 1205 "acl_trap" 1206 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PARSER_ERROR_DROPS \ 1207 "parser_error_drops" 1208 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_EAPOL \ 1209 "eapol" 1210 1211 #define DEVLINK_TRAP_GENERIC(_type, _init_action, _id, _group_id, \ 1212 _metadata_cap) \ 1213 { \ 1214 .type = DEVLINK_TRAP_TYPE_##_type, \ 1215 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \ 1216 .generic = true, \ 1217 .id = DEVLINK_TRAP_GENERIC_ID_##_id, \ 1218 .name = DEVLINK_TRAP_GENERIC_NAME_##_id, \ 1219 .init_group_id = _group_id, \ 1220 .metadata_cap = _metadata_cap, \ 1221 } 1222 1223 #define DEVLINK_TRAP_DRIVER(_type, _init_action, _id, _name, _group_id, \ 1224 _metadata_cap) \ 1225 { \ 1226 .type = DEVLINK_TRAP_TYPE_##_type, \ 1227 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \ 1228 .generic = false, \ 1229 .id = _id, \ 1230 .name = _name, \ 1231 .init_group_id = _group_id, \ 1232 .metadata_cap = _metadata_cap, \ 1233 } 1234 1235 #define DEVLINK_TRAP_GROUP_GENERIC(_id, _policer_id) \ 1236 { \ 1237 .name = DEVLINK_TRAP_GROUP_GENERIC_NAME_##_id, \ 1238 .id = DEVLINK_TRAP_GROUP_GENERIC_ID_##_id, \ 1239 .generic = true, \ 1240 .init_policer_id = _policer_id, \ 1241 } 1242 1243 #define DEVLINK_TRAP_POLICER(_id, _rate, _burst, _max_rate, _min_rate, \ 1244 _max_burst, _min_burst) \ 1245 { \ 1246 .id = _id, \ 1247 .init_rate = _rate, \ 1248 .init_burst = _burst, \ 1249 .max_rate = _max_rate, \ 1250 .min_rate = _min_rate, \ 1251 .max_burst = _max_burst, \ 1252 .min_burst = _min_burst, \ 1253 } 1254 1255 enum { 1256 /* device supports reload operations */ 1257 DEVLINK_F_RELOAD = 1UL << 0, 1258 }; 1259 1260 struct devlink_ops { 1261 /** 1262 * @supported_flash_update_params: 1263 * mask of parameters supported by the driver's .flash_update 1264 * implemementation. 1265 */ 1266 u32 supported_flash_update_params; 1267 unsigned long reload_actions; 1268 unsigned long reload_limits; 1269 int (*reload_down)(struct devlink *devlink, bool netns_change, 1270 enum devlink_reload_action action, 1271 enum devlink_reload_limit limit, 1272 struct netlink_ext_ack *extack); 1273 int (*reload_up)(struct devlink *devlink, enum devlink_reload_action action, 1274 enum devlink_reload_limit limit, u32 *actions_performed, 1275 struct netlink_ext_ack *extack); 1276 int (*port_type_set)(struct devlink_port *devlink_port, 1277 enum devlink_port_type port_type); 1278 int (*port_split)(struct devlink *devlink, struct devlink_port *port, 1279 unsigned int count, struct netlink_ext_ack *extack); 1280 int (*port_unsplit)(struct devlink *devlink, struct devlink_port *port, 1281 struct netlink_ext_ack *extack); 1282 int (*sb_pool_get)(struct devlink *devlink, unsigned int sb_index, 1283 u16 pool_index, 1284 struct devlink_sb_pool_info *pool_info); 1285 int (*sb_pool_set)(struct devlink *devlink, unsigned int sb_index, 1286 u16 pool_index, u32 size, 1287 enum devlink_sb_threshold_type threshold_type, 1288 struct netlink_ext_ack *extack); 1289 int (*sb_port_pool_get)(struct devlink_port *devlink_port, 1290 unsigned int sb_index, u16 pool_index, 1291 u32 *p_threshold); 1292 int (*sb_port_pool_set)(struct devlink_port *devlink_port, 1293 unsigned int sb_index, u16 pool_index, 1294 u32 threshold, struct netlink_ext_ack *extack); 1295 int (*sb_tc_pool_bind_get)(struct devlink_port *devlink_port, 1296 unsigned int sb_index, 1297 u16 tc_index, 1298 enum devlink_sb_pool_type pool_type, 1299 u16 *p_pool_index, u32 *p_threshold); 1300 int (*sb_tc_pool_bind_set)(struct devlink_port *devlink_port, 1301 unsigned int sb_index, 1302 u16 tc_index, 1303 enum devlink_sb_pool_type pool_type, 1304 u16 pool_index, u32 threshold, 1305 struct netlink_ext_ack *extack); 1306 int (*sb_occ_snapshot)(struct devlink *devlink, 1307 unsigned int sb_index); 1308 int (*sb_occ_max_clear)(struct devlink *devlink, 1309 unsigned int sb_index); 1310 int (*sb_occ_port_pool_get)(struct devlink_port *devlink_port, 1311 unsigned int sb_index, u16 pool_index, 1312 u32 *p_cur, u32 *p_max); 1313 int (*sb_occ_tc_port_bind_get)(struct devlink_port *devlink_port, 1314 unsigned int sb_index, 1315 u16 tc_index, 1316 enum devlink_sb_pool_type pool_type, 1317 u32 *p_cur, u32 *p_max); 1318 1319 int (*eswitch_mode_get)(struct devlink *devlink, u16 *p_mode); 1320 int (*eswitch_mode_set)(struct devlink *devlink, u16 mode, 1321 struct netlink_ext_ack *extack); 1322 int (*eswitch_inline_mode_get)(struct devlink *devlink, u8 *p_inline_mode); 1323 int (*eswitch_inline_mode_set)(struct devlink *devlink, u8 inline_mode, 1324 struct netlink_ext_ack *extack); 1325 int (*eswitch_encap_mode_get)(struct devlink *devlink, 1326 enum devlink_eswitch_encap_mode *p_encap_mode); 1327 int (*eswitch_encap_mode_set)(struct devlink *devlink, 1328 enum devlink_eswitch_encap_mode encap_mode, 1329 struct netlink_ext_ack *extack); 1330 int (*info_get)(struct devlink *devlink, struct devlink_info_req *req, 1331 struct netlink_ext_ack *extack); 1332 /** 1333 * @flash_update: Device flash update function 1334 * 1335 * Used to perform a flash update for the device. The set of 1336 * parameters supported by the driver should be set in 1337 * supported_flash_update_params. 1338 */ 1339 int (*flash_update)(struct devlink *devlink, 1340 struct devlink_flash_update_params *params, 1341 struct netlink_ext_ack *extack); 1342 /** 1343 * @trap_init: Trap initialization function. 1344 * 1345 * Should be used by device drivers to initialize the trap in the 1346 * underlying device. Drivers should also store the provided trap 1347 * context, so that they could efficiently pass it to 1348 * devlink_trap_report() when the trap is triggered. 1349 */ 1350 int (*trap_init)(struct devlink *devlink, 1351 const struct devlink_trap *trap, void *trap_ctx); 1352 /** 1353 * @trap_fini: Trap de-initialization function. 1354 * 1355 * Should be used by device drivers to de-initialize the trap in the 1356 * underlying device. 1357 */ 1358 void (*trap_fini)(struct devlink *devlink, 1359 const struct devlink_trap *trap, void *trap_ctx); 1360 /** 1361 * @trap_action_set: Trap action set function. 1362 */ 1363 int (*trap_action_set)(struct devlink *devlink, 1364 const struct devlink_trap *trap, 1365 enum devlink_trap_action action, 1366 struct netlink_ext_ack *extack); 1367 /** 1368 * @trap_group_init: Trap group initialization function. 1369 * 1370 * Should be used by device drivers to initialize the trap group in the 1371 * underlying device. 1372 */ 1373 int (*trap_group_init)(struct devlink *devlink, 1374 const struct devlink_trap_group *group); 1375 /** 1376 * @trap_group_set: Trap group parameters set function. 1377 * 1378 * Note: @policer can be NULL when a policer is being unbound from 1379 * @group. 1380 */ 1381 int (*trap_group_set)(struct devlink *devlink, 1382 const struct devlink_trap_group *group, 1383 const struct devlink_trap_policer *policer, 1384 struct netlink_ext_ack *extack); 1385 /** 1386 * @trap_group_action_set: Trap group action set function. 1387 * 1388 * If this callback is populated, it will take precedence over looping 1389 * over all traps in a group and calling .trap_action_set(). 1390 */ 1391 int (*trap_group_action_set)(struct devlink *devlink, 1392 const struct devlink_trap_group *group, 1393 enum devlink_trap_action action, 1394 struct netlink_ext_ack *extack); 1395 /** 1396 * @trap_drop_counter_get: Trap drop counter get function. 1397 * 1398 * Should be used by device drivers to report number of packets 1399 * that have been dropped, and cannot be passed to the devlink 1400 * subsystem by the underlying device. 1401 */ 1402 int (*trap_drop_counter_get)(struct devlink *devlink, 1403 const struct devlink_trap *trap, 1404 u64 *p_drops); 1405 /** 1406 * @trap_policer_init: Trap policer initialization function. 1407 * 1408 * Should be used by device drivers to initialize the trap policer in 1409 * the underlying device. 1410 */ 1411 int (*trap_policer_init)(struct devlink *devlink, 1412 const struct devlink_trap_policer *policer); 1413 /** 1414 * @trap_policer_fini: Trap policer de-initialization function. 1415 * 1416 * Should be used by device drivers to de-initialize the trap policer 1417 * in the underlying device. 1418 */ 1419 void (*trap_policer_fini)(struct devlink *devlink, 1420 const struct devlink_trap_policer *policer); 1421 /** 1422 * @trap_policer_set: Trap policer parameters set function. 1423 */ 1424 int (*trap_policer_set)(struct devlink *devlink, 1425 const struct devlink_trap_policer *policer, 1426 u64 rate, u64 burst, 1427 struct netlink_ext_ack *extack); 1428 /** 1429 * @trap_policer_counter_get: Trap policer counter get function. 1430 * 1431 * Should be used by device drivers to report number of packets dropped 1432 * by the policer. 1433 */ 1434 int (*trap_policer_counter_get)(struct devlink *devlink, 1435 const struct devlink_trap_policer *policer, 1436 u64 *p_drops); 1437 /** 1438 * @port_function_hw_addr_get: Port function's hardware address get function. 1439 * 1440 * Should be used by device drivers to report the hardware address of a function managed 1441 * by the devlink port. Driver should return -EOPNOTSUPP if it doesn't support port 1442 * function handling for a particular port. 1443 * 1444 * Note: @extack can be NULL when port notifier queries the port function. 1445 */ 1446 int (*port_function_hw_addr_get)(struct devlink_port *port, u8 *hw_addr, 1447 int *hw_addr_len, 1448 struct netlink_ext_ack *extack); 1449 /** 1450 * @port_function_hw_addr_set: Port function's hardware address set function. 1451 * 1452 * Should be used by device drivers to set the hardware address of a function managed 1453 * by the devlink port. Driver should return -EOPNOTSUPP if it doesn't support port 1454 * function handling for a particular port. 1455 */ 1456 int (*port_function_hw_addr_set)(struct devlink_port *port, 1457 const u8 *hw_addr, int hw_addr_len, 1458 struct netlink_ext_ack *extack); 1459 /** 1460 * @port_fn_roce_get: Port function's roce get function. 1461 * 1462 * Query RoCE state of a function managed by the devlink port. 1463 * Return -EOPNOTSUPP if port function RoCE handling is not supported. 1464 */ 1465 int (*port_fn_roce_get)(struct devlink_port *devlink_port, 1466 bool *is_enable, 1467 struct netlink_ext_ack *extack); 1468 /** 1469 * @port_fn_roce_set: Port function's roce set function. 1470 * 1471 * Enable/Disable the RoCE state of a function managed by the devlink 1472 * port. 1473 * Return -EOPNOTSUPP if port function RoCE handling is not supported. 1474 */ 1475 int (*port_fn_roce_set)(struct devlink_port *devlink_port, 1476 bool enable, struct netlink_ext_ack *extack); 1477 /** 1478 * @port_fn_migratable_get: Port function's migratable get function. 1479 * 1480 * Query migratable state of a function managed by the devlink port. 1481 * Return -EOPNOTSUPP if port function migratable handling is not 1482 * supported. 1483 */ 1484 int (*port_fn_migratable_get)(struct devlink_port *devlink_port, 1485 bool *is_enable, 1486 struct netlink_ext_ack *extack); 1487 /** 1488 * @port_fn_migratable_set: Port function's migratable set function. 1489 * 1490 * Enable/Disable migratable state of a function managed by the devlink 1491 * port. 1492 * Return -EOPNOTSUPP if port function migratable handling is not 1493 * supported. 1494 */ 1495 int (*port_fn_migratable_set)(struct devlink_port *devlink_port, 1496 bool enable, 1497 struct netlink_ext_ack *extack); 1498 /** 1499 * port_new() - Add a new port function of a specified flavor 1500 * @devlink: Devlink instance 1501 * @attrs: attributes of the new port 1502 * @extack: extack for reporting error messages 1503 * @new_port_index: index of the new port 1504 * 1505 * Devlink core will call this device driver function upon user request 1506 * to create a new port function of a specified flavor and optional 1507 * attributes 1508 * 1509 * Notes: 1510 * - Called without devlink instance lock being held. Drivers must 1511 * implement own means of synchronization 1512 * - On success, drivers must register a port with devlink core 1513 * 1514 * Return: 0 on success, negative value otherwise. 1515 */ 1516 int (*port_new)(struct devlink *devlink, 1517 const struct devlink_port_new_attrs *attrs, 1518 struct netlink_ext_ack *extack, 1519 unsigned int *new_port_index); 1520 /** 1521 * port_del() - Delete a port function 1522 * @devlink: Devlink instance 1523 * @port_index: port function index to delete 1524 * @extack: extack for reporting error messages 1525 * 1526 * Devlink core will call this device driver function upon user request 1527 * to delete a previously created port function 1528 * 1529 * Notes: 1530 * - Called without devlink instance lock being held. Drivers must 1531 * implement own means of synchronization 1532 * - On success, drivers must unregister the corresponding devlink 1533 * port 1534 * 1535 * Return: 0 on success, negative value otherwise. 1536 */ 1537 int (*port_del)(struct devlink *devlink, unsigned int port_index, 1538 struct netlink_ext_ack *extack); 1539 /** 1540 * port_fn_state_get() - Get the state of a port function 1541 * @devlink: Devlink instance 1542 * @port: The devlink port 1543 * @state: Admin configured state 1544 * @opstate: Current operational state 1545 * @extack: extack for reporting error messages 1546 * 1547 * Reports the admin and operational state of a devlink port function 1548 * 1549 * Return: 0 on success, negative value otherwise. 1550 */ 1551 int (*port_fn_state_get)(struct devlink_port *port, 1552 enum devlink_port_fn_state *state, 1553 enum devlink_port_fn_opstate *opstate, 1554 struct netlink_ext_ack *extack); 1555 /** 1556 * port_fn_state_set() - Set the admin state of a port function 1557 * @devlink: Devlink instance 1558 * @port: The devlink port 1559 * @state: Admin state 1560 * @extack: extack for reporting error messages 1561 * 1562 * Set the admin state of a devlink port function 1563 * 1564 * Return: 0 on success, negative value otherwise. 1565 */ 1566 int (*port_fn_state_set)(struct devlink_port *port, 1567 enum devlink_port_fn_state state, 1568 struct netlink_ext_ack *extack); 1569 1570 /** 1571 * Rate control callbacks. 1572 */ 1573 int (*rate_leaf_tx_share_set)(struct devlink_rate *devlink_rate, void *priv, 1574 u64 tx_share, struct netlink_ext_ack *extack); 1575 int (*rate_leaf_tx_max_set)(struct devlink_rate *devlink_rate, void *priv, 1576 u64 tx_max, struct netlink_ext_ack *extack); 1577 int (*rate_leaf_tx_priority_set)(struct devlink_rate *devlink_rate, void *priv, 1578 u32 tx_priority, struct netlink_ext_ack *extack); 1579 int (*rate_leaf_tx_weight_set)(struct devlink_rate *devlink_rate, void *priv, 1580 u32 tx_weight, struct netlink_ext_ack *extack); 1581 int (*rate_node_tx_share_set)(struct devlink_rate *devlink_rate, void *priv, 1582 u64 tx_share, struct netlink_ext_ack *extack); 1583 int (*rate_node_tx_max_set)(struct devlink_rate *devlink_rate, void *priv, 1584 u64 tx_max, struct netlink_ext_ack *extack); 1585 int (*rate_node_tx_priority_set)(struct devlink_rate *devlink_rate, void *priv, 1586 u32 tx_priority, struct netlink_ext_ack *extack); 1587 int (*rate_node_tx_weight_set)(struct devlink_rate *devlink_rate, void *priv, 1588 u32 tx_weight, struct netlink_ext_ack *extack); 1589 int (*rate_node_new)(struct devlink_rate *rate_node, void **priv, 1590 struct netlink_ext_ack *extack); 1591 int (*rate_node_del)(struct devlink_rate *rate_node, void *priv, 1592 struct netlink_ext_ack *extack); 1593 int (*rate_leaf_parent_set)(struct devlink_rate *child, 1594 struct devlink_rate *parent, 1595 void *priv_child, void *priv_parent, 1596 struct netlink_ext_ack *extack); 1597 int (*rate_node_parent_set)(struct devlink_rate *child, 1598 struct devlink_rate *parent, 1599 void *priv_child, void *priv_parent, 1600 struct netlink_ext_ack *extack); 1601 /** 1602 * selftests_check() - queries if selftest is supported 1603 * @devlink: devlink instance 1604 * @id: test index 1605 * @extack: extack for reporting error messages 1606 * 1607 * Return: true if test is supported by the driver 1608 */ 1609 bool (*selftest_check)(struct devlink *devlink, unsigned int id, 1610 struct netlink_ext_ack *extack); 1611 /** 1612 * selftest_run() - Runs a selftest 1613 * @devlink: devlink instance 1614 * @id: test index 1615 * @extack: extack for reporting error messages 1616 * 1617 * Return: status of the test 1618 */ 1619 enum devlink_selftest_status 1620 (*selftest_run)(struct devlink *devlink, unsigned int id, 1621 struct netlink_ext_ack *extack); 1622 }; 1623 1624 void *devlink_priv(struct devlink *devlink); 1625 struct devlink *priv_to_devlink(void *priv); 1626 struct device *devlink_to_dev(const struct devlink *devlink); 1627 1628 /* Devlink instance explicit locking */ 1629 void devl_lock(struct devlink *devlink); 1630 int devl_trylock(struct devlink *devlink); 1631 void devl_unlock(struct devlink *devlink); 1632 void devl_assert_locked(struct devlink *devlink); 1633 bool devl_lock_is_held(struct devlink *devlink); 1634 1635 struct ib_device; 1636 1637 struct net *devlink_net(const struct devlink *devlink); 1638 /* This call is intended for software devices that can create 1639 * devlink instances in other namespaces than init_net. 1640 * 1641 * Drivers that operate on real HW must use devlink_alloc() instead. 1642 */ 1643 struct devlink *devlink_alloc_ns(const struct devlink_ops *ops, 1644 size_t priv_size, struct net *net, 1645 struct device *dev); 1646 static inline struct devlink *devlink_alloc(const struct devlink_ops *ops, 1647 size_t priv_size, 1648 struct device *dev) 1649 { 1650 return devlink_alloc_ns(ops, priv_size, &init_net, dev); 1651 } 1652 1653 int devl_register(struct devlink *devlink); 1654 void devl_unregister(struct devlink *devlink); 1655 void devlink_register(struct devlink *devlink); 1656 void devlink_unregister(struct devlink *devlink); 1657 void devlink_free(struct devlink *devlink); 1658 void devlink_port_init(struct devlink *devlink, 1659 struct devlink_port *devlink_port); 1660 void devlink_port_fini(struct devlink_port *devlink_port); 1661 int devl_port_register(struct devlink *devlink, 1662 struct devlink_port *devlink_port, 1663 unsigned int port_index); 1664 int devlink_port_register(struct devlink *devlink, 1665 struct devlink_port *devlink_port, 1666 unsigned int port_index); 1667 void devl_port_unregister(struct devlink_port *devlink_port); 1668 void devlink_port_unregister(struct devlink_port *devlink_port); 1669 void devlink_port_type_eth_set(struct devlink_port *devlink_port); 1670 void devlink_port_type_ib_set(struct devlink_port *devlink_port, 1671 struct ib_device *ibdev); 1672 void devlink_port_type_clear(struct devlink_port *devlink_port); 1673 void devlink_port_attrs_set(struct devlink_port *devlink_port, 1674 struct devlink_port_attrs *devlink_port_attrs); 1675 void devlink_port_attrs_pci_pf_set(struct devlink_port *devlink_port, u32 controller, 1676 u16 pf, bool external); 1677 void devlink_port_attrs_pci_vf_set(struct devlink_port *devlink_port, u32 controller, 1678 u16 pf, u16 vf, bool external); 1679 void devlink_port_attrs_pci_sf_set(struct devlink_port *devlink_port, 1680 u32 controller, u16 pf, u32 sf, 1681 bool external); 1682 struct devlink_rate * 1683 devl_rate_node_create(struct devlink *devlink, void *priv, char *node_name, 1684 struct devlink_rate *parent); 1685 int 1686 devl_rate_leaf_create(struct devlink_port *devlink_port, void *priv, 1687 struct devlink_rate *parent); 1688 void devl_rate_leaf_destroy(struct devlink_port *devlink_port); 1689 void devl_rate_nodes_destroy(struct devlink *devlink); 1690 void devlink_port_linecard_set(struct devlink_port *devlink_port, 1691 struct devlink_linecard *linecard); 1692 struct devlink_linecard * 1693 devl_linecard_create(struct devlink *devlink, unsigned int linecard_index, 1694 const struct devlink_linecard_ops *ops, void *priv); 1695 void devl_linecard_destroy(struct devlink_linecard *linecard); 1696 void devlink_linecard_provision_set(struct devlink_linecard *linecard, 1697 const char *type); 1698 void devlink_linecard_provision_clear(struct devlink_linecard *linecard); 1699 void devlink_linecard_provision_fail(struct devlink_linecard *linecard); 1700 void devlink_linecard_activate(struct devlink_linecard *linecard); 1701 void devlink_linecard_deactivate(struct devlink_linecard *linecard); 1702 void devlink_linecard_nested_dl_set(struct devlink_linecard *linecard, 1703 struct devlink *nested_devlink); 1704 int devl_sb_register(struct devlink *devlink, unsigned int sb_index, 1705 u32 size, u16 ingress_pools_count, 1706 u16 egress_pools_count, u16 ingress_tc_count, 1707 u16 egress_tc_count); 1708 int devlink_sb_register(struct devlink *devlink, unsigned int sb_index, 1709 u32 size, u16 ingress_pools_count, 1710 u16 egress_pools_count, u16 ingress_tc_count, 1711 u16 egress_tc_count); 1712 void devl_sb_unregister(struct devlink *devlink, unsigned int sb_index); 1713 void devlink_sb_unregister(struct devlink *devlink, unsigned int sb_index); 1714 int devl_dpipe_table_register(struct devlink *devlink, 1715 const char *table_name, 1716 struct devlink_dpipe_table_ops *table_ops, 1717 void *priv, bool counter_control_extern); 1718 void devl_dpipe_table_unregister(struct devlink *devlink, 1719 const char *table_name); 1720 void devl_dpipe_headers_register(struct devlink *devlink, 1721 struct devlink_dpipe_headers *dpipe_headers); 1722 void devl_dpipe_headers_unregister(struct devlink *devlink); 1723 bool devlink_dpipe_table_counter_enabled(struct devlink *devlink, 1724 const char *table_name); 1725 int devlink_dpipe_entry_ctx_prepare(struct devlink_dpipe_dump_ctx *dump_ctx); 1726 int devlink_dpipe_entry_ctx_append(struct devlink_dpipe_dump_ctx *dump_ctx, 1727 struct devlink_dpipe_entry *entry); 1728 int devlink_dpipe_entry_ctx_close(struct devlink_dpipe_dump_ctx *dump_ctx); 1729 void devlink_dpipe_entry_clear(struct devlink_dpipe_entry *entry); 1730 int devlink_dpipe_action_put(struct sk_buff *skb, 1731 struct devlink_dpipe_action *action); 1732 int devlink_dpipe_match_put(struct sk_buff *skb, 1733 struct devlink_dpipe_match *match); 1734 extern struct devlink_dpipe_header devlink_dpipe_header_ethernet; 1735 extern struct devlink_dpipe_header devlink_dpipe_header_ipv4; 1736 extern struct devlink_dpipe_header devlink_dpipe_header_ipv6; 1737 1738 int devl_resource_register(struct devlink *devlink, 1739 const char *resource_name, 1740 u64 resource_size, 1741 u64 resource_id, 1742 u64 parent_resource_id, 1743 const struct devlink_resource_size_params *size_params); 1744 int devlink_resource_register(struct devlink *devlink, 1745 const char *resource_name, 1746 u64 resource_size, 1747 u64 resource_id, 1748 u64 parent_resource_id, 1749 const struct devlink_resource_size_params *size_params); 1750 void devl_resources_unregister(struct devlink *devlink); 1751 void devlink_resources_unregister(struct devlink *devlink); 1752 int devl_resource_size_get(struct devlink *devlink, 1753 u64 resource_id, 1754 u64 *p_resource_size); 1755 int devl_dpipe_table_resource_set(struct devlink *devlink, 1756 const char *table_name, u64 resource_id, 1757 u64 resource_units); 1758 int devlink_dpipe_table_resource_set(struct devlink *devlink, 1759 const char *table_name, u64 resource_id, 1760 u64 resource_units); 1761 void devl_resource_occ_get_register(struct devlink *devlink, 1762 u64 resource_id, 1763 devlink_resource_occ_get_t *occ_get, 1764 void *occ_get_priv); 1765 void devlink_resource_occ_get_register(struct devlink *devlink, 1766 u64 resource_id, 1767 devlink_resource_occ_get_t *occ_get, 1768 void *occ_get_priv); 1769 void devl_resource_occ_get_unregister(struct devlink *devlink, 1770 u64 resource_id); 1771 1772 void devlink_resource_occ_get_unregister(struct devlink *devlink, 1773 u64 resource_id); 1774 int devl_params_register(struct devlink *devlink, 1775 const struct devlink_param *params, 1776 size_t params_count); 1777 int devlink_params_register(struct devlink *devlink, 1778 const struct devlink_param *params, 1779 size_t params_count); 1780 void devl_params_unregister(struct devlink *devlink, 1781 const struct devlink_param *params, 1782 size_t params_count); 1783 void devlink_params_unregister(struct devlink *devlink, 1784 const struct devlink_param *params, 1785 size_t params_count); 1786 int devl_param_driverinit_value_get(struct devlink *devlink, u32 param_id, 1787 union devlink_param_value *val); 1788 void devl_param_driverinit_value_set(struct devlink *devlink, u32 param_id, 1789 union devlink_param_value init_val); 1790 void devl_param_value_changed(struct devlink *devlink, u32 param_id); 1791 struct devlink_region *devl_region_create(struct devlink *devlink, 1792 const struct devlink_region_ops *ops, 1793 u32 region_max_snapshots, 1794 u64 region_size); 1795 struct devlink_region * 1796 devlink_region_create(struct devlink *devlink, 1797 const struct devlink_region_ops *ops, 1798 u32 region_max_snapshots, u64 region_size); 1799 struct devlink_region * 1800 devlink_port_region_create(struct devlink_port *port, 1801 const struct devlink_port_region_ops *ops, 1802 u32 region_max_snapshots, u64 region_size); 1803 void devl_region_destroy(struct devlink_region *region); 1804 void devlink_region_destroy(struct devlink_region *region); 1805 void devlink_port_region_destroy(struct devlink_region *region); 1806 1807 int devlink_region_snapshot_id_get(struct devlink *devlink, u32 *id); 1808 void devlink_region_snapshot_id_put(struct devlink *devlink, u32 id); 1809 int devlink_region_snapshot_create(struct devlink_region *region, 1810 u8 *data, u32 snapshot_id); 1811 int devlink_info_serial_number_put(struct devlink_info_req *req, 1812 const char *sn); 1813 int devlink_info_board_serial_number_put(struct devlink_info_req *req, 1814 const char *bsn); 1815 1816 enum devlink_info_version_type { 1817 DEVLINK_INFO_VERSION_TYPE_NONE, 1818 DEVLINK_INFO_VERSION_TYPE_COMPONENT, /* May be used as flash update 1819 * component by name. 1820 */ 1821 }; 1822 1823 int devlink_info_version_fixed_put(struct devlink_info_req *req, 1824 const char *version_name, 1825 const char *version_value); 1826 int devlink_info_version_stored_put(struct devlink_info_req *req, 1827 const char *version_name, 1828 const char *version_value); 1829 int devlink_info_version_stored_put_ext(struct devlink_info_req *req, 1830 const char *version_name, 1831 const char *version_value, 1832 enum devlink_info_version_type version_type); 1833 int devlink_info_version_running_put(struct devlink_info_req *req, 1834 const char *version_name, 1835 const char *version_value); 1836 int devlink_info_version_running_put_ext(struct devlink_info_req *req, 1837 const char *version_name, 1838 const char *version_value, 1839 enum devlink_info_version_type version_type); 1840 1841 int devlink_fmsg_obj_nest_start(struct devlink_fmsg *fmsg); 1842 int devlink_fmsg_obj_nest_end(struct devlink_fmsg *fmsg); 1843 1844 int devlink_fmsg_pair_nest_start(struct devlink_fmsg *fmsg, const char *name); 1845 int devlink_fmsg_pair_nest_end(struct devlink_fmsg *fmsg); 1846 1847 int devlink_fmsg_arr_pair_nest_start(struct devlink_fmsg *fmsg, 1848 const char *name); 1849 int devlink_fmsg_arr_pair_nest_end(struct devlink_fmsg *fmsg); 1850 int devlink_fmsg_binary_pair_nest_start(struct devlink_fmsg *fmsg, 1851 const char *name); 1852 int devlink_fmsg_binary_pair_nest_end(struct devlink_fmsg *fmsg); 1853 1854 int devlink_fmsg_u32_put(struct devlink_fmsg *fmsg, u32 value); 1855 int devlink_fmsg_string_put(struct devlink_fmsg *fmsg, const char *value); 1856 int devlink_fmsg_binary_put(struct devlink_fmsg *fmsg, const void *value, 1857 u16 value_len); 1858 1859 int devlink_fmsg_bool_pair_put(struct devlink_fmsg *fmsg, const char *name, 1860 bool value); 1861 int devlink_fmsg_u8_pair_put(struct devlink_fmsg *fmsg, const char *name, 1862 u8 value); 1863 int devlink_fmsg_u32_pair_put(struct devlink_fmsg *fmsg, const char *name, 1864 u32 value); 1865 int devlink_fmsg_u64_pair_put(struct devlink_fmsg *fmsg, const char *name, 1866 u64 value); 1867 int devlink_fmsg_string_pair_put(struct devlink_fmsg *fmsg, const char *name, 1868 const char *value); 1869 int devlink_fmsg_binary_pair_put(struct devlink_fmsg *fmsg, const char *name, 1870 const void *value, u32 value_len); 1871 1872 struct devlink_health_reporter * 1873 devl_port_health_reporter_create(struct devlink_port *port, 1874 const struct devlink_health_reporter_ops *ops, 1875 u64 graceful_period, void *priv); 1876 1877 struct devlink_health_reporter * 1878 devlink_port_health_reporter_create(struct devlink_port *port, 1879 const struct devlink_health_reporter_ops *ops, 1880 u64 graceful_period, void *priv); 1881 1882 struct devlink_health_reporter * 1883 devl_health_reporter_create(struct devlink *devlink, 1884 const struct devlink_health_reporter_ops *ops, 1885 u64 graceful_period, void *priv); 1886 1887 struct devlink_health_reporter * 1888 devlink_health_reporter_create(struct devlink *devlink, 1889 const struct devlink_health_reporter_ops *ops, 1890 u64 graceful_period, void *priv); 1891 1892 void 1893 devl_health_reporter_destroy(struct devlink_health_reporter *reporter); 1894 1895 void 1896 devlink_health_reporter_destroy(struct devlink_health_reporter *reporter); 1897 1898 void * 1899 devlink_health_reporter_priv(struct devlink_health_reporter *reporter); 1900 int devlink_health_report(struct devlink_health_reporter *reporter, 1901 const char *msg, void *priv_ctx); 1902 void 1903 devlink_health_reporter_state_update(struct devlink_health_reporter *reporter, 1904 enum devlink_health_reporter_state state); 1905 void 1906 devlink_health_reporter_recovery_done(struct devlink_health_reporter *reporter); 1907 1908 bool devlink_is_reload_failed(const struct devlink *devlink); 1909 void devlink_remote_reload_actions_performed(struct devlink *devlink, 1910 enum devlink_reload_limit limit, 1911 u32 actions_performed); 1912 1913 void devlink_flash_update_status_notify(struct devlink *devlink, 1914 const char *status_msg, 1915 const char *component, 1916 unsigned long done, 1917 unsigned long total); 1918 void devlink_flash_update_timeout_notify(struct devlink *devlink, 1919 const char *status_msg, 1920 const char *component, 1921 unsigned long timeout); 1922 1923 int devl_traps_register(struct devlink *devlink, 1924 const struct devlink_trap *traps, 1925 size_t traps_count, void *priv); 1926 int devlink_traps_register(struct devlink *devlink, 1927 const struct devlink_trap *traps, 1928 size_t traps_count, void *priv); 1929 void devl_traps_unregister(struct devlink *devlink, 1930 const struct devlink_trap *traps, 1931 size_t traps_count); 1932 void devlink_traps_unregister(struct devlink *devlink, 1933 const struct devlink_trap *traps, 1934 size_t traps_count); 1935 void devlink_trap_report(struct devlink *devlink, struct sk_buff *skb, 1936 void *trap_ctx, struct devlink_port *in_devlink_port, 1937 const struct flow_action_cookie *fa_cookie); 1938 void *devlink_trap_ctx_priv(void *trap_ctx); 1939 int devl_trap_groups_register(struct devlink *devlink, 1940 const struct devlink_trap_group *groups, 1941 size_t groups_count); 1942 int devlink_trap_groups_register(struct devlink *devlink, 1943 const struct devlink_trap_group *groups, 1944 size_t groups_count); 1945 void devl_trap_groups_unregister(struct devlink *devlink, 1946 const struct devlink_trap_group *groups, 1947 size_t groups_count); 1948 void devlink_trap_groups_unregister(struct devlink *devlink, 1949 const struct devlink_trap_group *groups, 1950 size_t groups_count); 1951 int 1952 devl_trap_policers_register(struct devlink *devlink, 1953 const struct devlink_trap_policer *policers, 1954 size_t policers_count); 1955 void 1956 devl_trap_policers_unregister(struct devlink *devlink, 1957 const struct devlink_trap_policer *policers, 1958 size_t policers_count); 1959 1960 #if IS_ENABLED(CONFIG_NET_DEVLINK) 1961 1962 struct devlink *__must_check devlink_try_get(struct devlink *devlink); 1963 void devlink_put(struct devlink *devlink); 1964 1965 void devlink_compat_running_version(struct devlink *devlink, 1966 char *buf, size_t len); 1967 int devlink_compat_flash_update(struct devlink *devlink, const char *file_name); 1968 int devlink_compat_phys_port_name_get(struct net_device *dev, 1969 char *name, size_t len); 1970 int devlink_compat_switch_id_get(struct net_device *dev, 1971 struct netdev_phys_item_id *ppid); 1972 1973 int devlink_nl_port_handle_fill(struct sk_buff *msg, struct devlink_port *devlink_port); 1974 size_t devlink_nl_port_handle_size(struct devlink_port *devlink_port); 1975 1976 #else 1977 1978 static inline struct devlink *devlink_try_get(struct devlink *devlink) 1979 { 1980 return NULL; 1981 } 1982 1983 static inline void devlink_put(struct devlink *devlink) 1984 { 1985 } 1986 1987 static inline void 1988 devlink_compat_running_version(struct devlink *devlink, char *buf, size_t len) 1989 { 1990 } 1991 1992 static inline int 1993 devlink_compat_flash_update(struct devlink *devlink, const char *file_name) 1994 { 1995 return -EOPNOTSUPP; 1996 } 1997 1998 static inline int 1999 devlink_compat_phys_port_name_get(struct net_device *dev, 2000 char *name, size_t len) 2001 { 2002 return -EOPNOTSUPP; 2003 } 2004 2005 static inline int 2006 devlink_compat_switch_id_get(struct net_device *dev, 2007 struct netdev_phys_item_id *ppid) 2008 { 2009 return -EOPNOTSUPP; 2010 } 2011 2012 static inline int 2013 devlink_nl_port_handle_fill(struct sk_buff *msg, struct devlink_port *devlink_port) 2014 { 2015 return 0; 2016 } 2017 2018 static inline size_t devlink_nl_port_handle_size(struct devlink_port *devlink_port) 2019 { 2020 return 0; 2021 } 2022 2023 #endif 2024 2025 #endif /* _NET_DEVLINK_H_ */ 2026