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 const struct devlink_port_ops *ops; 127 unsigned int index; 128 spinlock_t type_lock; /* Protects type and type_eth/ib 129 * structures consistency. 130 */ 131 enum devlink_port_type type; 132 enum devlink_port_type desired_type; 133 union { 134 struct { 135 struct net_device *netdev; 136 int ifindex; 137 char ifname[IFNAMSIZ]; 138 } type_eth; 139 struct { 140 struct ib_device *ibdev; 141 } type_ib; 142 }; 143 struct devlink_port_attrs attrs; 144 u8 attrs_set:1, 145 switch_port:1, 146 registered:1, 147 initialized:1; 148 struct delayed_work type_warn_dw; 149 struct list_head reporter_list; 150 151 struct devlink_rate *devlink_rate; 152 struct devlink_linecard *linecard; 153 }; 154 155 struct devlink_port_new_attrs { 156 enum devlink_port_flavour flavour; 157 unsigned int port_index; 158 u32 controller; 159 u32 sfnum; 160 u16 pfnum; 161 u8 port_index_valid:1, 162 controller_valid:1, 163 sfnum_valid:1; 164 }; 165 166 /** 167 * struct devlink_linecard_ops - Linecard operations 168 * @provision: callback to provision the linecard slot with certain 169 * type of linecard. As a result of this operation, 170 * driver is expected to eventually (could be after 171 * the function call returns) call one of: 172 * devlink_linecard_provision_set() 173 * devlink_linecard_provision_fail() 174 * @unprovision: callback to unprovision the linecard slot. As a result 175 * of this operation, driver is expected to eventually 176 * (could be after the function call returns) call 177 * devlink_linecard_provision_clear() 178 * devlink_linecard_provision_fail() 179 * @same_provision: callback to ask the driver if linecard is already 180 * provisioned in the same way user asks this linecard to be 181 * provisioned. 182 * @types_count: callback to get number of supported types 183 * @types_get: callback to get next type in list 184 */ 185 struct devlink_linecard_ops { 186 int (*provision)(struct devlink_linecard *linecard, void *priv, 187 const char *type, const void *type_priv, 188 struct netlink_ext_ack *extack); 189 int (*unprovision)(struct devlink_linecard *linecard, void *priv, 190 struct netlink_ext_ack *extack); 191 bool (*same_provision)(struct devlink_linecard *linecard, void *priv, 192 const char *type, const void *type_priv); 193 unsigned int (*types_count)(struct devlink_linecard *linecard, 194 void *priv); 195 void (*types_get)(struct devlink_linecard *linecard, 196 void *priv, unsigned int index, const char **type, 197 const void **type_priv); 198 }; 199 200 struct devlink_sb_pool_info { 201 enum devlink_sb_pool_type pool_type; 202 u32 size; 203 enum devlink_sb_threshold_type threshold_type; 204 u32 cell_size; 205 }; 206 207 /** 208 * struct devlink_dpipe_field - dpipe field object 209 * @name: field name 210 * @id: index inside the headers field array 211 * @bitwidth: bitwidth 212 * @mapping_type: mapping type 213 */ 214 struct devlink_dpipe_field { 215 const char *name; 216 unsigned int id; 217 unsigned int bitwidth; 218 enum devlink_dpipe_field_mapping_type mapping_type; 219 }; 220 221 /** 222 * struct devlink_dpipe_header - dpipe header object 223 * @name: header name 224 * @id: index, global/local determined by global bit 225 * @fields: fields 226 * @fields_count: number of fields 227 * @global: indicates if header is shared like most protocol header 228 * or driver specific 229 */ 230 struct devlink_dpipe_header { 231 const char *name; 232 unsigned int id; 233 struct devlink_dpipe_field *fields; 234 unsigned int fields_count; 235 bool global; 236 }; 237 238 /** 239 * struct devlink_dpipe_match - represents match operation 240 * @type: type of match 241 * @header_index: header index (packets can have several headers of same 242 * type like in case of tunnels) 243 * @header: header 244 * @field_id: field index 245 */ 246 struct devlink_dpipe_match { 247 enum devlink_dpipe_match_type type; 248 unsigned int header_index; 249 struct devlink_dpipe_header *header; 250 unsigned int field_id; 251 }; 252 253 /** 254 * struct devlink_dpipe_action - represents action operation 255 * @type: type of action 256 * @header_index: header index (packets can have several headers of same 257 * type like in case of tunnels) 258 * @header: header 259 * @field_id: field index 260 */ 261 struct devlink_dpipe_action { 262 enum devlink_dpipe_action_type type; 263 unsigned int header_index; 264 struct devlink_dpipe_header *header; 265 unsigned int field_id; 266 }; 267 268 /** 269 * struct devlink_dpipe_value - represents value of match/action 270 * @action: action 271 * @match: match 272 * @mapping_value: in case the field has some mapping this value 273 * specified the mapping value 274 * @mapping_valid: specify if mapping value is valid 275 * @value_size: value size 276 * @value: value 277 * @mask: bit mask 278 */ 279 struct devlink_dpipe_value { 280 union { 281 struct devlink_dpipe_action *action; 282 struct devlink_dpipe_match *match; 283 }; 284 unsigned int mapping_value; 285 bool mapping_valid; 286 unsigned int value_size; 287 void *value; 288 void *mask; 289 }; 290 291 /** 292 * struct devlink_dpipe_entry - table entry object 293 * @index: index of the entry in the table 294 * @match_values: match values 295 * @match_values_count: count of matches tuples 296 * @action_values: actions values 297 * @action_values_count: count of actions values 298 * @counter: value of counter 299 * @counter_valid: Specify if value is valid from hardware 300 */ 301 struct devlink_dpipe_entry { 302 u64 index; 303 struct devlink_dpipe_value *match_values; 304 unsigned int match_values_count; 305 struct devlink_dpipe_value *action_values; 306 unsigned int action_values_count; 307 u64 counter; 308 bool counter_valid; 309 }; 310 311 /** 312 * struct devlink_dpipe_dump_ctx - context provided to driver in order 313 * to dump 314 * @info: info 315 * @cmd: devlink command 316 * @skb: skb 317 * @nest: top attribute 318 * @hdr: hdr 319 */ 320 struct devlink_dpipe_dump_ctx { 321 struct genl_info *info; 322 enum devlink_command cmd; 323 struct sk_buff *skb; 324 struct nlattr *nest; 325 void *hdr; 326 }; 327 328 struct devlink_dpipe_table_ops; 329 330 /** 331 * struct devlink_dpipe_table - table object 332 * @priv: private 333 * @name: table name 334 * @counters_enabled: indicates if counters are active 335 * @counter_control_extern: indicates if counter control is in dpipe or 336 * external tool 337 * @resource_valid: Indicate that the resource id is valid 338 * @resource_id: relative resource this table is related to 339 * @resource_units: number of resource's unit consumed per table's entry 340 * @table_ops: table operations 341 * @rcu: rcu 342 */ 343 struct devlink_dpipe_table { 344 void *priv; 345 /* private: */ 346 struct list_head list; 347 /* public: */ 348 const char *name; 349 bool counters_enabled; 350 bool counter_control_extern; 351 bool resource_valid; 352 u64 resource_id; 353 u64 resource_units; 354 struct devlink_dpipe_table_ops *table_ops; 355 struct rcu_head rcu; 356 }; 357 358 /** 359 * struct devlink_dpipe_table_ops - dpipe_table ops 360 * @actions_dump: dumps all tables actions 361 * @matches_dump: dumps all tables matches 362 * @entries_dump: dumps all active entries in the table 363 * @counters_set_update: when changing the counter status hardware sync 364 * maybe needed to allocate/free counter related 365 * resources 366 * @size_get: get size 367 */ 368 struct devlink_dpipe_table_ops { 369 int (*actions_dump)(void *priv, struct sk_buff *skb); 370 int (*matches_dump)(void *priv, struct sk_buff *skb); 371 int (*entries_dump)(void *priv, bool counters_enabled, 372 struct devlink_dpipe_dump_ctx *dump_ctx); 373 int (*counters_set_update)(void *priv, bool enable); 374 u64 (*size_get)(void *priv); 375 }; 376 377 /** 378 * struct devlink_dpipe_headers - dpipe headers 379 * @headers: header array can be shared (global bit) or driver specific 380 * @headers_count: count of headers 381 */ 382 struct devlink_dpipe_headers { 383 struct devlink_dpipe_header **headers; 384 unsigned int headers_count; 385 }; 386 387 /** 388 * struct devlink_resource_size_params - resource's size parameters 389 * @size_min: minimum size which can be set 390 * @size_max: maximum size which can be set 391 * @size_granularity: size granularity 392 * @unit: resource's basic unit 393 */ 394 struct devlink_resource_size_params { 395 u64 size_min; 396 u64 size_max; 397 u64 size_granularity; 398 enum devlink_resource_unit unit; 399 }; 400 401 static inline void 402 devlink_resource_size_params_init(struct devlink_resource_size_params *size_params, 403 u64 size_min, u64 size_max, 404 u64 size_granularity, 405 enum devlink_resource_unit unit) 406 { 407 size_params->size_min = size_min; 408 size_params->size_max = size_max; 409 size_params->size_granularity = size_granularity; 410 size_params->unit = unit; 411 } 412 413 typedef u64 devlink_resource_occ_get_t(void *priv); 414 415 #define DEVLINK_RESOURCE_ID_PARENT_TOP 0 416 417 #define DEVLINK_RESOURCE_GENERIC_NAME_PORTS "physical_ports" 418 419 #define __DEVLINK_PARAM_MAX_STRING_VALUE 32 420 enum devlink_param_type { 421 DEVLINK_PARAM_TYPE_U8, 422 DEVLINK_PARAM_TYPE_U16, 423 DEVLINK_PARAM_TYPE_U32, 424 DEVLINK_PARAM_TYPE_STRING, 425 DEVLINK_PARAM_TYPE_BOOL, 426 }; 427 428 union devlink_param_value { 429 u8 vu8; 430 u16 vu16; 431 u32 vu32; 432 char vstr[__DEVLINK_PARAM_MAX_STRING_VALUE]; 433 bool vbool; 434 }; 435 436 struct devlink_param_gset_ctx { 437 union devlink_param_value val; 438 enum devlink_param_cmode cmode; 439 }; 440 441 /** 442 * struct devlink_flash_notify - devlink dev flash notify data 443 * @status_msg: current status string 444 * @component: firmware component being updated 445 * @done: amount of work completed of total amount 446 * @total: amount of work expected to be done 447 * @timeout: expected max timeout in seconds 448 * 449 * These are values to be given to userland to be displayed in order 450 * to show current activity in a firmware update process. 451 */ 452 struct devlink_flash_notify { 453 const char *status_msg; 454 const char *component; 455 unsigned long done; 456 unsigned long total; 457 unsigned long timeout; 458 }; 459 460 /** 461 * struct devlink_param - devlink configuration parameter data 462 * @id: devlink parameter id number 463 * @name: name of the parameter 464 * @generic: indicates if the parameter is generic or driver specific 465 * @type: parameter type 466 * @supported_cmodes: bitmap of supported configuration modes 467 * @get: get parameter value, used for runtime and permanent 468 * configuration modes 469 * @set: set parameter value, used for runtime and permanent 470 * configuration modes 471 * @validate: validate input value is applicable (within value range, etc.) 472 * 473 * This struct should be used by the driver to fill the data for 474 * a parameter it registers. 475 */ 476 struct devlink_param { 477 u32 id; 478 const char *name; 479 bool generic; 480 enum devlink_param_type type; 481 unsigned long supported_cmodes; 482 int (*get)(struct devlink *devlink, u32 id, 483 struct devlink_param_gset_ctx *ctx); 484 int (*set)(struct devlink *devlink, u32 id, 485 struct devlink_param_gset_ctx *ctx); 486 int (*validate)(struct devlink *devlink, u32 id, 487 union devlink_param_value val, 488 struct netlink_ext_ack *extack); 489 }; 490 491 struct devlink_param_item { 492 struct list_head list; 493 const struct devlink_param *param; 494 union devlink_param_value driverinit_value; 495 bool driverinit_value_valid; 496 union devlink_param_value driverinit_value_new; /* Not reachable 497 * until reload. 498 */ 499 bool driverinit_value_new_valid; 500 }; 501 502 enum devlink_param_generic_id { 503 DEVLINK_PARAM_GENERIC_ID_INT_ERR_RESET, 504 DEVLINK_PARAM_GENERIC_ID_MAX_MACS, 505 DEVLINK_PARAM_GENERIC_ID_ENABLE_SRIOV, 506 DEVLINK_PARAM_GENERIC_ID_REGION_SNAPSHOT, 507 DEVLINK_PARAM_GENERIC_ID_IGNORE_ARI, 508 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX, 509 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN, 510 DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY, 511 DEVLINK_PARAM_GENERIC_ID_RESET_DEV_ON_DRV_PROBE, 512 DEVLINK_PARAM_GENERIC_ID_ENABLE_ROCE, 513 DEVLINK_PARAM_GENERIC_ID_ENABLE_REMOTE_DEV_RESET, 514 DEVLINK_PARAM_GENERIC_ID_ENABLE_ETH, 515 DEVLINK_PARAM_GENERIC_ID_ENABLE_RDMA, 516 DEVLINK_PARAM_GENERIC_ID_ENABLE_VNET, 517 DEVLINK_PARAM_GENERIC_ID_ENABLE_IWARP, 518 DEVLINK_PARAM_GENERIC_ID_IO_EQ_SIZE, 519 DEVLINK_PARAM_GENERIC_ID_EVENT_EQ_SIZE, 520 521 /* add new param generic ids above here*/ 522 __DEVLINK_PARAM_GENERIC_ID_MAX, 523 DEVLINK_PARAM_GENERIC_ID_MAX = __DEVLINK_PARAM_GENERIC_ID_MAX - 1, 524 }; 525 526 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_NAME "internal_error_reset" 527 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL 528 529 #define DEVLINK_PARAM_GENERIC_MAX_MACS_NAME "max_macs" 530 #define DEVLINK_PARAM_GENERIC_MAX_MACS_TYPE DEVLINK_PARAM_TYPE_U32 531 532 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_NAME "enable_sriov" 533 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_TYPE DEVLINK_PARAM_TYPE_BOOL 534 535 #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_NAME "region_snapshot_enable" 536 #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_TYPE DEVLINK_PARAM_TYPE_BOOL 537 538 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_NAME "ignore_ari" 539 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_TYPE DEVLINK_PARAM_TYPE_BOOL 540 541 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_NAME "msix_vec_per_pf_max" 542 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_TYPE DEVLINK_PARAM_TYPE_U32 543 544 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_NAME "msix_vec_per_pf_min" 545 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_TYPE DEVLINK_PARAM_TYPE_U32 546 547 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_NAME "fw_load_policy" 548 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_TYPE DEVLINK_PARAM_TYPE_U8 549 550 #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_NAME \ 551 "reset_dev_on_drv_probe" 552 #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_TYPE DEVLINK_PARAM_TYPE_U8 553 554 #define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_NAME "enable_roce" 555 #define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_TYPE DEVLINK_PARAM_TYPE_BOOL 556 557 #define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_NAME "enable_remote_dev_reset" 558 #define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL 559 560 #define DEVLINK_PARAM_GENERIC_ENABLE_ETH_NAME "enable_eth" 561 #define DEVLINK_PARAM_GENERIC_ENABLE_ETH_TYPE DEVLINK_PARAM_TYPE_BOOL 562 563 #define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_NAME "enable_rdma" 564 #define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_TYPE DEVLINK_PARAM_TYPE_BOOL 565 566 #define DEVLINK_PARAM_GENERIC_ENABLE_VNET_NAME "enable_vnet" 567 #define DEVLINK_PARAM_GENERIC_ENABLE_VNET_TYPE DEVLINK_PARAM_TYPE_BOOL 568 569 #define DEVLINK_PARAM_GENERIC_ENABLE_IWARP_NAME "enable_iwarp" 570 #define DEVLINK_PARAM_GENERIC_ENABLE_IWARP_TYPE DEVLINK_PARAM_TYPE_BOOL 571 572 #define DEVLINK_PARAM_GENERIC_IO_EQ_SIZE_NAME "io_eq_size" 573 #define DEVLINK_PARAM_GENERIC_IO_EQ_SIZE_TYPE DEVLINK_PARAM_TYPE_U32 574 575 #define DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_NAME "event_eq_size" 576 #define DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_TYPE DEVLINK_PARAM_TYPE_U32 577 578 #define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate) \ 579 { \ 580 .id = DEVLINK_PARAM_GENERIC_ID_##_id, \ 581 .name = DEVLINK_PARAM_GENERIC_##_id##_NAME, \ 582 .type = DEVLINK_PARAM_GENERIC_##_id##_TYPE, \ 583 .generic = true, \ 584 .supported_cmodes = _cmodes, \ 585 .get = _get, \ 586 .set = _set, \ 587 .validate = _validate, \ 588 } 589 590 #define DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, _get, _set, _validate) \ 591 { \ 592 .id = _id, \ 593 .name = _name, \ 594 .type = _type, \ 595 .supported_cmodes = _cmodes, \ 596 .get = _get, \ 597 .set = _set, \ 598 .validate = _validate, \ 599 } 600 601 /* Part number, identifier of board design */ 602 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_ID "board.id" 603 /* Revision of board design */ 604 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_REV "board.rev" 605 /* Maker of the board */ 606 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_MANUFACTURE "board.manufacture" 607 608 /* Part number, identifier of asic design */ 609 #define DEVLINK_INFO_VERSION_GENERIC_ASIC_ID "asic.id" 610 /* Revision of asic design */ 611 #define DEVLINK_INFO_VERSION_GENERIC_ASIC_REV "asic.rev" 612 613 /* Overall FW version */ 614 #define DEVLINK_INFO_VERSION_GENERIC_FW "fw" 615 /* Control processor FW version */ 616 #define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT "fw.mgmt" 617 /* FW interface specification version */ 618 #define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT_API "fw.mgmt.api" 619 /* Data path microcode controlling high-speed packet processing */ 620 #define DEVLINK_INFO_VERSION_GENERIC_FW_APP "fw.app" 621 /* UNDI software version */ 622 #define DEVLINK_INFO_VERSION_GENERIC_FW_UNDI "fw.undi" 623 /* NCSI support/handler version */ 624 #define DEVLINK_INFO_VERSION_GENERIC_FW_NCSI "fw.ncsi" 625 /* FW parameter set id */ 626 #define DEVLINK_INFO_VERSION_GENERIC_FW_PSID "fw.psid" 627 /* RoCE FW version */ 628 #define DEVLINK_INFO_VERSION_GENERIC_FW_ROCE "fw.roce" 629 /* Firmware bundle identifier */ 630 #define DEVLINK_INFO_VERSION_GENERIC_FW_BUNDLE_ID "fw.bundle_id" 631 /* Bootloader */ 632 #define DEVLINK_INFO_VERSION_GENERIC_FW_BOOTLOADER "fw.bootloader" 633 634 /** 635 * struct devlink_flash_update_params - Flash Update parameters 636 * @fw: pointer to the firmware data to update from 637 * @component: the flash component to update 638 * @overwrite_mask: which types of flash update are supported (may be %0) 639 * 640 * With the exception of fw, drivers must opt-in to parameters by 641 * setting the appropriate bit in the supported_flash_update_params field in 642 * their devlink_ops structure. 643 */ 644 struct devlink_flash_update_params { 645 const struct firmware *fw; 646 const char *component; 647 u32 overwrite_mask; 648 }; 649 650 #define DEVLINK_SUPPORT_FLASH_UPDATE_OVERWRITE_MASK BIT(0) 651 652 struct devlink_region; 653 struct devlink_info_req; 654 655 /** 656 * struct devlink_region_ops - Region operations 657 * @name: region name 658 * @destructor: callback used to free snapshot memory when deleting 659 * @snapshot: callback to request an immediate snapshot. On success, 660 * the data variable must be updated to point to the snapshot data. 661 * The function will be called while the devlink instance lock is 662 * held. 663 * @read: callback to directly read a portion of the region. On success, 664 * the data pointer will be updated with the contents of the 665 * requested portion of the region. The function will be called 666 * while the devlink instance lock is held. 667 * @priv: Pointer to driver private data for the region operation 668 */ 669 struct devlink_region_ops { 670 const char *name; 671 void (*destructor)(const void *data); 672 int (*snapshot)(struct devlink *devlink, 673 const struct devlink_region_ops *ops, 674 struct netlink_ext_ack *extack, 675 u8 **data); 676 int (*read)(struct devlink *devlink, 677 const struct devlink_region_ops *ops, 678 struct netlink_ext_ack *extack, 679 u64 offset, u32 size, u8 *data); 680 void *priv; 681 }; 682 683 /** 684 * struct devlink_port_region_ops - Region operations for a port 685 * @name: region name 686 * @destructor: callback used to free snapshot memory when deleting 687 * @snapshot: callback to request an immediate snapshot. On success, 688 * the data variable must be updated to point to the snapshot data. 689 * The function will be called while the devlink instance lock is 690 * held. 691 * @read: callback to directly read a portion of the region. On success, 692 * the data pointer will be updated with the contents of the 693 * requested portion of the region. The function will be called 694 * while the devlink instance lock is held. 695 * @priv: Pointer to driver private data for the region operation 696 */ 697 struct devlink_port_region_ops { 698 const char *name; 699 void (*destructor)(const void *data); 700 int (*snapshot)(struct devlink_port *port, 701 const struct devlink_port_region_ops *ops, 702 struct netlink_ext_ack *extack, 703 u8 **data); 704 int (*read)(struct devlink_port *port, 705 const struct devlink_port_region_ops *ops, 706 struct netlink_ext_ack *extack, 707 u64 offset, u32 size, u8 *data); 708 void *priv; 709 }; 710 711 struct devlink_fmsg; 712 struct devlink_health_reporter; 713 714 enum devlink_health_reporter_state { 715 DEVLINK_HEALTH_REPORTER_STATE_HEALTHY, 716 DEVLINK_HEALTH_REPORTER_STATE_ERROR, 717 }; 718 719 /** 720 * struct devlink_health_reporter_ops - Reporter operations 721 * @name: reporter name 722 * @recover: callback to recover from reported error 723 * if priv_ctx is NULL, run a full recover 724 * @dump: callback to dump an object 725 * if priv_ctx is NULL, run a full dump 726 * @diagnose: callback to diagnose the current status 727 * @test: callback to trigger a test event 728 */ 729 730 struct devlink_health_reporter_ops { 731 char *name; 732 int (*recover)(struct devlink_health_reporter *reporter, 733 void *priv_ctx, struct netlink_ext_ack *extack); 734 int (*dump)(struct devlink_health_reporter *reporter, 735 struct devlink_fmsg *fmsg, void *priv_ctx, 736 struct netlink_ext_ack *extack); 737 int (*diagnose)(struct devlink_health_reporter *reporter, 738 struct devlink_fmsg *fmsg, 739 struct netlink_ext_ack *extack); 740 int (*test)(struct devlink_health_reporter *reporter, 741 struct netlink_ext_ack *extack); 742 }; 743 744 /** 745 * struct devlink_trap_metadata - Packet trap metadata. 746 * @trap_name: Trap name. 747 * @trap_group_name: Trap group name. 748 * @input_dev: Input netdevice. 749 * @dev_tracker: refcount tracker for @input_dev. 750 * @fa_cookie: Flow action user cookie. 751 * @trap_type: Trap type. 752 */ 753 struct devlink_trap_metadata { 754 const char *trap_name; 755 const char *trap_group_name; 756 757 struct net_device *input_dev; 758 netdevice_tracker dev_tracker; 759 760 const struct flow_action_cookie *fa_cookie; 761 enum devlink_trap_type trap_type; 762 }; 763 764 /** 765 * struct devlink_trap_policer - Immutable packet trap policer attributes. 766 * @id: Policer identifier. 767 * @init_rate: Initial rate in packets / sec. 768 * @init_burst: Initial burst size in packets. 769 * @max_rate: Maximum rate. 770 * @min_rate: Minimum rate. 771 * @max_burst: Maximum burst size. 772 * @min_burst: Minimum burst size. 773 * 774 * Describes immutable attributes of packet trap policers that drivers register 775 * with devlink. 776 */ 777 struct devlink_trap_policer { 778 u32 id; 779 u64 init_rate; 780 u64 init_burst; 781 u64 max_rate; 782 u64 min_rate; 783 u64 max_burst; 784 u64 min_burst; 785 }; 786 787 /** 788 * struct devlink_trap_group - Immutable packet trap group attributes. 789 * @name: Trap group name. 790 * @id: Trap group identifier. 791 * @generic: Whether the trap group is generic or not. 792 * @init_policer_id: Initial policer identifier. 793 * 794 * Describes immutable attributes of packet trap groups that drivers register 795 * with devlink. 796 */ 797 struct devlink_trap_group { 798 const char *name; 799 u16 id; 800 bool generic; 801 u32 init_policer_id; 802 }; 803 804 #define DEVLINK_TRAP_METADATA_TYPE_F_IN_PORT BIT(0) 805 #define DEVLINK_TRAP_METADATA_TYPE_F_FA_COOKIE BIT(1) 806 807 /** 808 * struct devlink_trap - Immutable packet trap attributes. 809 * @type: Trap type. 810 * @init_action: Initial trap action. 811 * @generic: Whether the trap is generic or not. 812 * @id: Trap identifier. 813 * @name: Trap name. 814 * @init_group_id: Initial group identifier. 815 * @metadata_cap: Metadata types that can be provided by the trap. 816 * 817 * Describes immutable attributes of packet traps that drivers register with 818 * devlink. 819 */ 820 struct devlink_trap { 821 enum devlink_trap_type type; 822 enum devlink_trap_action init_action; 823 bool generic; 824 u16 id; 825 const char *name; 826 u16 init_group_id; 827 u32 metadata_cap; 828 }; 829 830 /* All traps must be documented in 831 * Documentation/networking/devlink/devlink-trap.rst 832 */ 833 enum devlink_trap_generic_id { 834 DEVLINK_TRAP_GENERIC_ID_SMAC_MC, 835 DEVLINK_TRAP_GENERIC_ID_VLAN_TAG_MISMATCH, 836 DEVLINK_TRAP_GENERIC_ID_INGRESS_VLAN_FILTER, 837 DEVLINK_TRAP_GENERIC_ID_INGRESS_STP_FILTER, 838 DEVLINK_TRAP_GENERIC_ID_EMPTY_TX_LIST, 839 DEVLINK_TRAP_GENERIC_ID_PORT_LOOPBACK_FILTER, 840 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_ROUTE, 841 DEVLINK_TRAP_GENERIC_ID_TTL_ERROR, 842 DEVLINK_TRAP_GENERIC_ID_TAIL_DROP, 843 DEVLINK_TRAP_GENERIC_ID_NON_IP_PACKET, 844 DEVLINK_TRAP_GENERIC_ID_UC_DIP_MC_DMAC, 845 DEVLINK_TRAP_GENERIC_ID_DIP_LB, 846 DEVLINK_TRAP_GENERIC_ID_SIP_MC, 847 DEVLINK_TRAP_GENERIC_ID_SIP_LB, 848 DEVLINK_TRAP_GENERIC_ID_CORRUPTED_IP_HDR, 849 DEVLINK_TRAP_GENERIC_ID_IPV4_SIP_BC, 850 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_RESERVED_SCOPE, 851 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE, 852 DEVLINK_TRAP_GENERIC_ID_MTU_ERROR, 853 DEVLINK_TRAP_GENERIC_ID_UNRESOLVED_NEIGH, 854 DEVLINK_TRAP_GENERIC_ID_RPF, 855 DEVLINK_TRAP_GENERIC_ID_REJECT_ROUTE, 856 DEVLINK_TRAP_GENERIC_ID_IPV4_LPM_UNICAST_MISS, 857 DEVLINK_TRAP_GENERIC_ID_IPV6_LPM_UNICAST_MISS, 858 DEVLINK_TRAP_GENERIC_ID_NON_ROUTABLE, 859 DEVLINK_TRAP_GENERIC_ID_DECAP_ERROR, 860 DEVLINK_TRAP_GENERIC_ID_OVERLAY_SMAC_MC, 861 DEVLINK_TRAP_GENERIC_ID_INGRESS_FLOW_ACTION_DROP, 862 DEVLINK_TRAP_GENERIC_ID_EGRESS_FLOW_ACTION_DROP, 863 DEVLINK_TRAP_GENERIC_ID_STP, 864 DEVLINK_TRAP_GENERIC_ID_LACP, 865 DEVLINK_TRAP_GENERIC_ID_LLDP, 866 DEVLINK_TRAP_GENERIC_ID_IGMP_QUERY, 867 DEVLINK_TRAP_GENERIC_ID_IGMP_V1_REPORT, 868 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_REPORT, 869 DEVLINK_TRAP_GENERIC_ID_IGMP_V3_REPORT, 870 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_LEAVE, 871 DEVLINK_TRAP_GENERIC_ID_MLD_QUERY, 872 DEVLINK_TRAP_GENERIC_ID_MLD_V1_REPORT, 873 DEVLINK_TRAP_GENERIC_ID_MLD_V2_REPORT, 874 DEVLINK_TRAP_GENERIC_ID_MLD_V1_DONE, 875 DEVLINK_TRAP_GENERIC_ID_IPV4_DHCP, 876 DEVLINK_TRAP_GENERIC_ID_IPV6_DHCP, 877 DEVLINK_TRAP_GENERIC_ID_ARP_REQUEST, 878 DEVLINK_TRAP_GENERIC_ID_ARP_RESPONSE, 879 DEVLINK_TRAP_GENERIC_ID_ARP_OVERLAY, 880 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_SOLICIT, 881 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_ADVERT, 882 DEVLINK_TRAP_GENERIC_ID_IPV4_BFD, 883 DEVLINK_TRAP_GENERIC_ID_IPV6_BFD, 884 DEVLINK_TRAP_GENERIC_ID_IPV4_OSPF, 885 DEVLINK_TRAP_GENERIC_ID_IPV6_OSPF, 886 DEVLINK_TRAP_GENERIC_ID_IPV4_BGP, 887 DEVLINK_TRAP_GENERIC_ID_IPV6_BGP, 888 DEVLINK_TRAP_GENERIC_ID_IPV4_VRRP, 889 DEVLINK_TRAP_GENERIC_ID_IPV6_VRRP, 890 DEVLINK_TRAP_GENERIC_ID_IPV4_PIM, 891 DEVLINK_TRAP_GENERIC_ID_IPV6_PIM, 892 DEVLINK_TRAP_GENERIC_ID_UC_LB, 893 DEVLINK_TRAP_GENERIC_ID_LOCAL_ROUTE, 894 DEVLINK_TRAP_GENERIC_ID_EXTERNAL_ROUTE, 895 DEVLINK_TRAP_GENERIC_ID_IPV6_UC_DIP_LINK_LOCAL_SCOPE, 896 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_NODES, 897 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_ROUTERS, 898 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_SOLICIT, 899 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ADVERT, 900 DEVLINK_TRAP_GENERIC_ID_IPV6_REDIRECT, 901 DEVLINK_TRAP_GENERIC_ID_IPV4_ROUTER_ALERT, 902 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ALERT, 903 DEVLINK_TRAP_GENERIC_ID_PTP_EVENT, 904 DEVLINK_TRAP_GENERIC_ID_PTP_GENERAL, 905 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_SAMPLE, 906 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_TRAP, 907 DEVLINK_TRAP_GENERIC_ID_EARLY_DROP, 908 DEVLINK_TRAP_GENERIC_ID_VXLAN_PARSING, 909 DEVLINK_TRAP_GENERIC_ID_LLC_SNAP_PARSING, 910 DEVLINK_TRAP_GENERIC_ID_VLAN_PARSING, 911 DEVLINK_TRAP_GENERIC_ID_PPPOE_PPP_PARSING, 912 DEVLINK_TRAP_GENERIC_ID_MPLS_PARSING, 913 DEVLINK_TRAP_GENERIC_ID_ARP_PARSING, 914 DEVLINK_TRAP_GENERIC_ID_IP_1_PARSING, 915 DEVLINK_TRAP_GENERIC_ID_IP_N_PARSING, 916 DEVLINK_TRAP_GENERIC_ID_GRE_PARSING, 917 DEVLINK_TRAP_GENERIC_ID_UDP_PARSING, 918 DEVLINK_TRAP_GENERIC_ID_TCP_PARSING, 919 DEVLINK_TRAP_GENERIC_ID_IPSEC_PARSING, 920 DEVLINK_TRAP_GENERIC_ID_SCTP_PARSING, 921 DEVLINK_TRAP_GENERIC_ID_DCCP_PARSING, 922 DEVLINK_TRAP_GENERIC_ID_GTP_PARSING, 923 DEVLINK_TRAP_GENERIC_ID_ESP_PARSING, 924 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_NEXTHOP, 925 DEVLINK_TRAP_GENERIC_ID_DMAC_FILTER, 926 DEVLINK_TRAP_GENERIC_ID_EAPOL, 927 DEVLINK_TRAP_GENERIC_ID_LOCKED_PORT, 928 929 /* Add new generic trap IDs above */ 930 __DEVLINK_TRAP_GENERIC_ID_MAX, 931 DEVLINK_TRAP_GENERIC_ID_MAX = __DEVLINK_TRAP_GENERIC_ID_MAX - 1, 932 }; 933 934 /* All trap groups must be documented in 935 * Documentation/networking/devlink/devlink-trap.rst 936 */ 937 enum devlink_trap_group_generic_id { 938 DEVLINK_TRAP_GROUP_GENERIC_ID_L2_DROPS, 939 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_DROPS, 940 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_EXCEPTIONS, 941 DEVLINK_TRAP_GROUP_GENERIC_ID_BUFFER_DROPS, 942 DEVLINK_TRAP_GROUP_GENERIC_ID_TUNNEL_DROPS, 943 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_DROPS, 944 DEVLINK_TRAP_GROUP_GENERIC_ID_STP, 945 DEVLINK_TRAP_GROUP_GENERIC_ID_LACP, 946 DEVLINK_TRAP_GROUP_GENERIC_ID_LLDP, 947 DEVLINK_TRAP_GROUP_GENERIC_ID_MC_SNOOPING, 948 DEVLINK_TRAP_GROUP_GENERIC_ID_DHCP, 949 DEVLINK_TRAP_GROUP_GENERIC_ID_NEIGH_DISCOVERY, 950 DEVLINK_TRAP_GROUP_GENERIC_ID_BFD, 951 DEVLINK_TRAP_GROUP_GENERIC_ID_OSPF, 952 DEVLINK_TRAP_GROUP_GENERIC_ID_BGP, 953 DEVLINK_TRAP_GROUP_GENERIC_ID_VRRP, 954 DEVLINK_TRAP_GROUP_GENERIC_ID_PIM, 955 DEVLINK_TRAP_GROUP_GENERIC_ID_UC_LB, 956 DEVLINK_TRAP_GROUP_GENERIC_ID_LOCAL_DELIVERY, 957 DEVLINK_TRAP_GROUP_GENERIC_ID_EXTERNAL_DELIVERY, 958 DEVLINK_TRAP_GROUP_GENERIC_ID_IPV6, 959 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_EVENT, 960 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_GENERAL, 961 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_SAMPLE, 962 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_TRAP, 963 DEVLINK_TRAP_GROUP_GENERIC_ID_PARSER_ERROR_DROPS, 964 DEVLINK_TRAP_GROUP_GENERIC_ID_EAPOL, 965 966 /* Add new generic trap group IDs above */ 967 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX, 968 DEVLINK_TRAP_GROUP_GENERIC_ID_MAX = 969 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX - 1, 970 }; 971 972 #define DEVLINK_TRAP_GENERIC_NAME_SMAC_MC \ 973 "source_mac_is_multicast" 974 #define DEVLINK_TRAP_GENERIC_NAME_VLAN_TAG_MISMATCH \ 975 "vlan_tag_mismatch" 976 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_VLAN_FILTER \ 977 "ingress_vlan_filter" 978 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_STP_FILTER \ 979 "ingress_spanning_tree_filter" 980 #define DEVLINK_TRAP_GENERIC_NAME_EMPTY_TX_LIST \ 981 "port_list_is_empty" 982 #define DEVLINK_TRAP_GENERIC_NAME_PORT_LOOPBACK_FILTER \ 983 "port_loopback_filter" 984 #define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_ROUTE \ 985 "blackhole_route" 986 #define DEVLINK_TRAP_GENERIC_NAME_TTL_ERROR \ 987 "ttl_value_is_too_small" 988 #define DEVLINK_TRAP_GENERIC_NAME_TAIL_DROP \ 989 "tail_drop" 990 #define DEVLINK_TRAP_GENERIC_NAME_NON_IP_PACKET \ 991 "non_ip" 992 #define DEVLINK_TRAP_GENERIC_NAME_UC_DIP_MC_DMAC \ 993 "uc_dip_over_mc_dmac" 994 #define DEVLINK_TRAP_GENERIC_NAME_DIP_LB \ 995 "dip_is_loopback_address" 996 #define DEVLINK_TRAP_GENERIC_NAME_SIP_MC \ 997 "sip_is_mc" 998 #define DEVLINK_TRAP_GENERIC_NAME_SIP_LB \ 999 "sip_is_loopback_address" 1000 #define DEVLINK_TRAP_GENERIC_NAME_CORRUPTED_IP_HDR \ 1001 "ip_header_corrupted" 1002 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_SIP_BC \ 1003 "ipv4_sip_is_limited_bc" 1004 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_RESERVED_SCOPE \ 1005 "ipv6_mc_dip_reserved_scope" 1006 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE \ 1007 "ipv6_mc_dip_interface_local_scope" 1008 #define DEVLINK_TRAP_GENERIC_NAME_MTU_ERROR \ 1009 "mtu_value_is_too_small" 1010 #define DEVLINK_TRAP_GENERIC_NAME_UNRESOLVED_NEIGH \ 1011 "unresolved_neigh" 1012 #define DEVLINK_TRAP_GENERIC_NAME_RPF \ 1013 "mc_reverse_path_forwarding" 1014 #define DEVLINK_TRAP_GENERIC_NAME_REJECT_ROUTE \ 1015 "reject_route" 1016 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_LPM_UNICAST_MISS \ 1017 "ipv4_lpm_miss" 1018 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_LPM_UNICAST_MISS \ 1019 "ipv6_lpm_miss" 1020 #define DEVLINK_TRAP_GENERIC_NAME_NON_ROUTABLE \ 1021 "non_routable_packet" 1022 #define DEVLINK_TRAP_GENERIC_NAME_DECAP_ERROR \ 1023 "decap_error" 1024 #define DEVLINK_TRAP_GENERIC_NAME_OVERLAY_SMAC_MC \ 1025 "overlay_smac_is_mc" 1026 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_FLOW_ACTION_DROP \ 1027 "ingress_flow_action_drop" 1028 #define DEVLINK_TRAP_GENERIC_NAME_EGRESS_FLOW_ACTION_DROP \ 1029 "egress_flow_action_drop" 1030 #define DEVLINK_TRAP_GENERIC_NAME_STP \ 1031 "stp" 1032 #define DEVLINK_TRAP_GENERIC_NAME_LACP \ 1033 "lacp" 1034 #define DEVLINK_TRAP_GENERIC_NAME_LLDP \ 1035 "lldp" 1036 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_QUERY \ 1037 "igmp_query" 1038 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V1_REPORT \ 1039 "igmp_v1_report" 1040 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_REPORT \ 1041 "igmp_v2_report" 1042 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V3_REPORT \ 1043 "igmp_v3_report" 1044 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_LEAVE \ 1045 "igmp_v2_leave" 1046 #define DEVLINK_TRAP_GENERIC_NAME_MLD_QUERY \ 1047 "mld_query" 1048 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_REPORT \ 1049 "mld_v1_report" 1050 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V2_REPORT \ 1051 "mld_v2_report" 1052 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_DONE \ 1053 "mld_v1_done" 1054 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_DHCP \ 1055 "ipv4_dhcp" 1056 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DHCP \ 1057 "ipv6_dhcp" 1058 #define DEVLINK_TRAP_GENERIC_NAME_ARP_REQUEST \ 1059 "arp_request" 1060 #define DEVLINK_TRAP_GENERIC_NAME_ARP_RESPONSE \ 1061 "arp_response" 1062 #define DEVLINK_TRAP_GENERIC_NAME_ARP_OVERLAY \ 1063 "arp_overlay" 1064 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_SOLICIT \ 1065 "ipv6_neigh_solicit" 1066 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_ADVERT \ 1067 "ipv6_neigh_advert" 1068 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_BFD \ 1069 "ipv4_bfd" 1070 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_BFD \ 1071 "ipv6_bfd" 1072 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_OSPF \ 1073 "ipv4_ospf" 1074 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_OSPF \ 1075 "ipv6_ospf" 1076 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_BGP \ 1077 "ipv4_bgp" 1078 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_BGP \ 1079 "ipv6_bgp" 1080 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_VRRP \ 1081 "ipv4_vrrp" 1082 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_VRRP \ 1083 "ipv6_vrrp" 1084 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_PIM \ 1085 "ipv4_pim" 1086 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_PIM \ 1087 "ipv6_pim" 1088 #define DEVLINK_TRAP_GENERIC_NAME_UC_LB \ 1089 "uc_loopback" 1090 #define DEVLINK_TRAP_GENERIC_NAME_LOCAL_ROUTE \ 1091 "local_route" 1092 #define DEVLINK_TRAP_GENERIC_NAME_EXTERNAL_ROUTE \ 1093 "external_route" 1094 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_UC_DIP_LINK_LOCAL_SCOPE \ 1095 "ipv6_uc_dip_link_local_scope" 1096 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_NODES \ 1097 "ipv6_dip_all_nodes" 1098 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_ROUTERS \ 1099 "ipv6_dip_all_routers" 1100 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_SOLICIT \ 1101 "ipv6_router_solicit" 1102 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ADVERT \ 1103 "ipv6_router_advert" 1104 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_REDIRECT \ 1105 "ipv6_redirect" 1106 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_ROUTER_ALERT \ 1107 "ipv4_router_alert" 1108 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ALERT \ 1109 "ipv6_router_alert" 1110 #define DEVLINK_TRAP_GENERIC_NAME_PTP_EVENT \ 1111 "ptp_event" 1112 #define DEVLINK_TRAP_GENERIC_NAME_PTP_GENERAL \ 1113 "ptp_general" 1114 #define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_SAMPLE \ 1115 "flow_action_sample" 1116 #define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_TRAP \ 1117 "flow_action_trap" 1118 #define DEVLINK_TRAP_GENERIC_NAME_EARLY_DROP \ 1119 "early_drop" 1120 #define DEVLINK_TRAP_GENERIC_NAME_VXLAN_PARSING \ 1121 "vxlan_parsing" 1122 #define DEVLINK_TRAP_GENERIC_NAME_LLC_SNAP_PARSING \ 1123 "llc_snap_parsing" 1124 #define DEVLINK_TRAP_GENERIC_NAME_VLAN_PARSING \ 1125 "vlan_parsing" 1126 #define DEVLINK_TRAP_GENERIC_NAME_PPPOE_PPP_PARSING \ 1127 "pppoe_ppp_parsing" 1128 #define DEVLINK_TRAP_GENERIC_NAME_MPLS_PARSING \ 1129 "mpls_parsing" 1130 #define DEVLINK_TRAP_GENERIC_NAME_ARP_PARSING \ 1131 "arp_parsing" 1132 #define DEVLINK_TRAP_GENERIC_NAME_IP_1_PARSING \ 1133 "ip_1_parsing" 1134 #define DEVLINK_TRAP_GENERIC_NAME_IP_N_PARSING \ 1135 "ip_n_parsing" 1136 #define DEVLINK_TRAP_GENERIC_NAME_GRE_PARSING \ 1137 "gre_parsing" 1138 #define DEVLINK_TRAP_GENERIC_NAME_UDP_PARSING \ 1139 "udp_parsing" 1140 #define DEVLINK_TRAP_GENERIC_NAME_TCP_PARSING \ 1141 "tcp_parsing" 1142 #define DEVLINK_TRAP_GENERIC_NAME_IPSEC_PARSING \ 1143 "ipsec_parsing" 1144 #define DEVLINK_TRAP_GENERIC_NAME_SCTP_PARSING \ 1145 "sctp_parsing" 1146 #define DEVLINK_TRAP_GENERIC_NAME_DCCP_PARSING \ 1147 "dccp_parsing" 1148 #define DEVLINK_TRAP_GENERIC_NAME_GTP_PARSING \ 1149 "gtp_parsing" 1150 #define DEVLINK_TRAP_GENERIC_NAME_ESP_PARSING \ 1151 "esp_parsing" 1152 #define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_NEXTHOP \ 1153 "blackhole_nexthop" 1154 #define DEVLINK_TRAP_GENERIC_NAME_DMAC_FILTER \ 1155 "dmac_filter" 1156 #define DEVLINK_TRAP_GENERIC_NAME_EAPOL \ 1157 "eapol" 1158 #define DEVLINK_TRAP_GENERIC_NAME_LOCKED_PORT \ 1159 "locked_port" 1160 1161 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L2_DROPS \ 1162 "l2_drops" 1163 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_DROPS \ 1164 "l3_drops" 1165 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_EXCEPTIONS \ 1166 "l3_exceptions" 1167 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BUFFER_DROPS \ 1168 "buffer_drops" 1169 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_TUNNEL_DROPS \ 1170 "tunnel_drops" 1171 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_DROPS \ 1172 "acl_drops" 1173 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_STP \ 1174 "stp" 1175 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LACP \ 1176 "lacp" 1177 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LLDP \ 1178 "lldp" 1179 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_MC_SNOOPING \ 1180 "mc_snooping" 1181 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_DHCP \ 1182 "dhcp" 1183 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_NEIGH_DISCOVERY \ 1184 "neigh_discovery" 1185 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BFD \ 1186 "bfd" 1187 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_OSPF \ 1188 "ospf" 1189 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BGP \ 1190 "bgp" 1191 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_VRRP \ 1192 "vrrp" 1193 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PIM \ 1194 "pim" 1195 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_UC_LB \ 1196 "uc_loopback" 1197 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LOCAL_DELIVERY \ 1198 "local_delivery" 1199 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_EXTERNAL_DELIVERY \ 1200 "external_delivery" 1201 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_IPV6 \ 1202 "ipv6" 1203 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_EVENT \ 1204 "ptp_event" 1205 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_GENERAL \ 1206 "ptp_general" 1207 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_SAMPLE \ 1208 "acl_sample" 1209 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_TRAP \ 1210 "acl_trap" 1211 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PARSER_ERROR_DROPS \ 1212 "parser_error_drops" 1213 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_EAPOL \ 1214 "eapol" 1215 1216 #define DEVLINK_TRAP_GENERIC(_type, _init_action, _id, _group_id, \ 1217 _metadata_cap) \ 1218 { \ 1219 .type = DEVLINK_TRAP_TYPE_##_type, \ 1220 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \ 1221 .generic = true, \ 1222 .id = DEVLINK_TRAP_GENERIC_ID_##_id, \ 1223 .name = DEVLINK_TRAP_GENERIC_NAME_##_id, \ 1224 .init_group_id = _group_id, \ 1225 .metadata_cap = _metadata_cap, \ 1226 } 1227 1228 #define DEVLINK_TRAP_DRIVER(_type, _init_action, _id, _name, _group_id, \ 1229 _metadata_cap) \ 1230 { \ 1231 .type = DEVLINK_TRAP_TYPE_##_type, \ 1232 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \ 1233 .generic = false, \ 1234 .id = _id, \ 1235 .name = _name, \ 1236 .init_group_id = _group_id, \ 1237 .metadata_cap = _metadata_cap, \ 1238 } 1239 1240 #define DEVLINK_TRAP_GROUP_GENERIC(_id, _policer_id) \ 1241 { \ 1242 .name = DEVLINK_TRAP_GROUP_GENERIC_NAME_##_id, \ 1243 .id = DEVLINK_TRAP_GROUP_GENERIC_ID_##_id, \ 1244 .generic = true, \ 1245 .init_policer_id = _policer_id, \ 1246 } 1247 1248 #define DEVLINK_TRAP_POLICER(_id, _rate, _burst, _max_rate, _min_rate, \ 1249 _max_burst, _min_burst) \ 1250 { \ 1251 .id = _id, \ 1252 .init_rate = _rate, \ 1253 .init_burst = _burst, \ 1254 .max_rate = _max_rate, \ 1255 .min_rate = _min_rate, \ 1256 .max_burst = _max_burst, \ 1257 .min_burst = _min_burst, \ 1258 } 1259 1260 enum { 1261 /* device supports reload operations */ 1262 DEVLINK_F_RELOAD = 1UL << 0, 1263 }; 1264 1265 struct devlink_ops { 1266 /** 1267 * @supported_flash_update_params: 1268 * mask of parameters supported by the driver's .flash_update 1269 * implementation. 1270 */ 1271 u32 supported_flash_update_params; 1272 unsigned long reload_actions; 1273 unsigned long reload_limits; 1274 int (*reload_down)(struct devlink *devlink, bool netns_change, 1275 enum devlink_reload_action action, 1276 enum devlink_reload_limit limit, 1277 struct netlink_ext_ack *extack); 1278 int (*reload_up)(struct devlink *devlink, enum devlink_reload_action action, 1279 enum devlink_reload_limit limit, u32 *actions_performed, 1280 struct netlink_ext_ack *extack); 1281 int (*sb_pool_get)(struct devlink *devlink, unsigned int sb_index, 1282 u16 pool_index, 1283 struct devlink_sb_pool_info *pool_info); 1284 int (*sb_pool_set)(struct devlink *devlink, unsigned int sb_index, 1285 u16 pool_index, u32 size, 1286 enum devlink_sb_threshold_type threshold_type, 1287 struct netlink_ext_ack *extack); 1288 int (*sb_port_pool_get)(struct devlink_port *devlink_port, 1289 unsigned int sb_index, u16 pool_index, 1290 u32 *p_threshold); 1291 int (*sb_port_pool_set)(struct devlink_port *devlink_port, 1292 unsigned int sb_index, u16 pool_index, 1293 u32 threshold, struct netlink_ext_ack *extack); 1294 int (*sb_tc_pool_bind_get)(struct devlink_port *devlink_port, 1295 unsigned int sb_index, 1296 u16 tc_index, 1297 enum devlink_sb_pool_type pool_type, 1298 u16 *p_pool_index, u32 *p_threshold); 1299 int (*sb_tc_pool_bind_set)(struct devlink_port *devlink_port, 1300 unsigned int sb_index, 1301 u16 tc_index, 1302 enum devlink_sb_pool_type pool_type, 1303 u16 pool_index, u32 threshold, 1304 struct netlink_ext_ack *extack); 1305 int (*sb_occ_snapshot)(struct devlink *devlink, 1306 unsigned int sb_index); 1307 int (*sb_occ_max_clear)(struct devlink *devlink, 1308 unsigned int sb_index); 1309 int (*sb_occ_port_pool_get)(struct devlink_port *devlink_port, 1310 unsigned int sb_index, u16 pool_index, 1311 u32 *p_cur, u32 *p_max); 1312 int (*sb_occ_tc_port_bind_get)(struct devlink_port *devlink_port, 1313 unsigned int sb_index, 1314 u16 tc_index, 1315 enum devlink_sb_pool_type pool_type, 1316 u32 *p_cur, u32 *p_max); 1317 1318 int (*eswitch_mode_get)(struct devlink *devlink, u16 *p_mode); 1319 int (*eswitch_mode_set)(struct devlink *devlink, u16 mode, 1320 struct netlink_ext_ack *extack); 1321 int (*eswitch_inline_mode_get)(struct devlink *devlink, u8 *p_inline_mode); 1322 int (*eswitch_inline_mode_set)(struct devlink *devlink, u8 inline_mode, 1323 struct netlink_ext_ack *extack); 1324 int (*eswitch_encap_mode_get)(struct devlink *devlink, 1325 enum devlink_eswitch_encap_mode *p_encap_mode); 1326 int (*eswitch_encap_mode_set)(struct devlink *devlink, 1327 enum devlink_eswitch_encap_mode encap_mode, 1328 struct netlink_ext_ack *extack); 1329 int (*info_get)(struct devlink *devlink, struct devlink_info_req *req, 1330 struct netlink_ext_ack *extack); 1331 /** 1332 * @flash_update: Device flash update function 1333 * 1334 * Used to perform a flash update for the device. The set of 1335 * parameters supported by the driver should be set in 1336 * supported_flash_update_params. 1337 */ 1338 int (*flash_update)(struct devlink *devlink, 1339 struct devlink_flash_update_params *params, 1340 struct netlink_ext_ack *extack); 1341 /** 1342 * @trap_init: Trap initialization function. 1343 * 1344 * Should be used by device drivers to initialize the trap in the 1345 * underlying device. Drivers should also store the provided trap 1346 * context, so that they could efficiently pass it to 1347 * devlink_trap_report() when the trap is triggered. 1348 */ 1349 int (*trap_init)(struct devlink *devlink, 1350 const struct devlink_trap *trap, void *trap_ctx); 1351 /** 1352 * @trap_fini: Trap de-initialization function. 1353 * 1354 * Should be used by device drivers to de-initialize the trap in the 1355 * underlying device. 1356 */ 1357 void (*trap_fini)(struct devlink *devlink, 1358 const struct devlink_trap *trap, void *trap_ctx); 1359 /** 1360 * @trap_action_set: Trap action set function. 1361 */ 1362 int (*trap_action_set)(struct devlink *devlink, 1363 const struct devlink_trap *trap, 1364 enum devlink_trap_action action, 1365 struct netlink_ext_ack *extack); 1366 /** 1367 * @trap_group_init: Trap group initialization function. 1368 * 1369 * Should be used by device drivers to initialize the trap group in the 1370 * underlying device. 1371 */ 1372 int (*trap_group_init)(struct devlink *devlink, 1373 const struct devlink_trap_group *group); 1374 /** 1375 * @trap_group_set: Trap group parameters set function. 1376 * 1377 * Note: @policer can be NULL when a policer is being unbound from 1378 * @group. 1379 */ 1380 int (*trap_group_set)(struct devlink *devlink, 1381 const struct devlink_trap_group *group, 1382 const struct devlink_trap_policer *policer, 1383 struct netlink_ext_ack *extack); 1384 /** 1385 * @trap_group_action_set: Trap group action set function. 1386 * 1387 * If this callback is populated, it will take precedence over looping 1388 * over all traps in a group and calling .trap_action_set(). 1389 */ 1390 int (*trap_group_action_set)(struct devlink *devlink, 1391 const struct devlink_trap_group *group, 1392 enum devlink_trap_action action, 1393 struct netlink_ext_ack *extack); 1394 /** 1395 * @trap_drop_counter_get: Trap drop counter get function. 1396 * 1397 * Should be used by device drivers to report number of packets 1398 * that have been dropped, and cannot be passed to the devlink 1399 * subsystem by the underlying device. 1400 */ 1401 int (*trap_drop_counter_get)(struct devlink *devlink, 1402 const struct devlink_trap *trap, 1403 u64 *p_drops); 1404 /** 1405 * @trap_policer_init: Trap policer initialization function. 1406 * 1407 * Should be used by device drivers to initialize the trap policer in 1408 * the underlying device. 1409 */ 1410 int (*trap_policer_init)(struct devlink *devlink, 1411 const struct devlink_trap_policer *policer); 1412 /** 1413 * @trap_policer_fini: Trap policer de-initialization function. 1414 * 1415 * Should be used by device drivers to de-initialize the trap policer 1416 * in the underlying device. 1417 */ 1418 void (*trap_policer_fini)(struct devlink *devlink, 1419 const struct devlink_trap_policer *policer); 1420 /** 1421 * @trap_policer_set: Trap policer parameters set function. 1422 */ 1423 int (*trap_policer_set)(struct devlink *devlink, 1424 const struct devlink_trap_policer *policer, 1425 u64 rate, u64 burst, 1426 struct netlink_ext_ack *extack); 1427 /** 1428 * @trap_policer_counter_get: Trap policer counter get function. 1429 * 1430 * Should be used by device drivers to report number of packets dropped 1431 * by the policer. 1432 */ 1433 int (*trap_policer_counter_get)(struct devlink *devlink, 1434 const struct devlink_trap_policer *policer, 1435 u64 *p_drops); 1436 /** 1437 * port_new() - Add a new port function of a specified flavor 1438 * @devlink: Devlink instance 1439 * @attrs: attributes of the new port 1440 * @extack: extack for reporting error messages 1441 * @devlink_port: pointer to store new devlink port pointer 1442 * 1443 * Devlink core will call this device driver function upon user request 1444 * to create a new port function of a specified flavor and optional 1445 * attributes 1446 * 1447 * Notes: 1448 * - On success, drivers must register a port with devlink core 1449 * 1450 * Return: 0 on success, negative value otherwise. 1451 */ 1452 int (*port_new)(struct devlink *devlink, 1453 const struct devlink_port_new_attrs *attrs, 1454 struct netlink_ext_ack *extack, 1455 struct devlink_port **devlink_port); 1456 1457 /** 1458 * Rate control callbacks. 1459 */ 1460 int (*rate_leaf_tx_share_set)(struct devlink_rate *devlink_rate, void *priv, 1461 u64 tx_share, struct netlink_ext_ack *extack); 1462 int (*rate_leaf_tx_max_set)(struct devlink_rate *devlink_rate, void *priv, 1463 u64 tx_max, struct netlink_ext_ack *extack); 1464 int (*rate_leaf_tx_priority_set)(struct devlink_rate *devlink_rate, void *priv, 1465 u32 tx_priority, struct netlink_ext_ack *extack); 1466 int (*rate_leaf_tx_weight_set)(struct devlink_rate *devlink_rate, void *priv, 1467 u32 tx_weight, struct netlink_ext_ack *extack); 1468 int (*rate_node_tx_share_set)(struct devlink_rate *devlink_rate, void *priv, 1469 u64 tx_share, struct netlink_ext_ack *extack); 1470 int (*rate_node_tx_max_set)(struct devlink_rate *devlink_rate, void *priv, 1471 u64 tx_max, struct netlink_ext_ack *extack); 1472 int (*rate_node_tx_priority_set)(struct devlink_rate *devlink_rate, void *priv, 1473 u32 tx_priority, struct netlink_ext_ack *extack); 1474 int (*rate_node_tx_weight_set)(struct devlink_rate *devlink_rate, void *priv, 1475 u32 tx_weight, struct netlink_ext_ack *extack); 1476 int (*rate_node_new)(struct devlink_rate *rate_node, void **priv, 1477 struct netlink_ext_ack *extack); 1478 int (*rate_node_del)(struct devlink_rate *rate_node, void *priv, 1479 struct netlink_ext_ack *extack); 1480 int (*rate_leaf_parent_set)(struct devlink_rate *child, 1481 struct devlink_rate *parent, 1482 void *priv_child, void *priv_parent, 1483 struct netlink_ext_ack *extack); 1484 int (*rate_node_parent_set)(struct devlink_rate *child, 1485 struct devlink_rate *parent, 1486 void *priv_child, void *priv_parent, 1487 struct netlink_ext_ack *extack); 1488 /** 1489 * selftests_check() - queries if selftest is supported 1490 * @devlink: devlink instance 1491 * @id: test index 1492 * @extack: extack for reporting error messages 1493 * 1494 * Return: true if test is supported by the driver 1495 */ 1496 bool (*selftest_check)(struct devlink *devlink, unsigned int id, 1497 struct netlink_ext_ack *extack); 1498 /** 1499 * selftest_run() - Runs a selftest 1500 * @devlink: devlink instance 1501 * @id: test index 1502 * @extack: extack for reporting error messages 1503 * 1504 * Return: status of the test 1505 */ 1506 enum devlink_selftest_status 1507 (*selftest_run)(struct devlink *devlink, unsigned int id, 1508 struct netlink_ext_ack *extack); 1509 }; 1510 1511 void *devlink_priv(struct devlink *devlink); 1512 struct devlink *priv_to_devlink(void *priv); 1513 struct device *devlink_to_dev(const struct devlink *devlink); 1514 1515 /* Devlink instance explicit locking */ 1516 void devl_lock(struct devlink *devlink); 1517 int devl_trylock(struct devlink *devlink); 1518 void devl_unlock(struct devlink *devlink); 1519 void devl_assert_locked(struct devlink *devlink); 1520 bool devl_lock_is_held(struct devlink *devlink); 1521 1522 struct ib_device; 1523 1524 struct net *devlink_net(const struct devlink *devlink); 1525 /* This call is intended for software devices that can create 1526 * devlink instances in other namespaces than init_net. 1527 * 1528 * Drivers that operate on real HW must use devlink_alloc() instead. 1529 */ 1530 struct devlink *devlink_alloc_ns(const struct devlink_ops *ops, 1531 size_t priv_size, struct net *net, 1532 struct device *dev); 1533 static inline struct devlink *devlink_alloc(const struct devlink_ops *ops, 1534 size_t priv_size, 1535 struct device *dev) 1536 { 1537 return devlink_alloc_ns(ops, priv_size, &init_net, dev); 1538 } 1539 1540 int devl_register(struct devlink *devlink); 1541 void devl_unregister(struct devlink *devlink); 1542 void devlink_register(struct devlink *devlink); 1543 void devlink_unregister(struct devlink *devlink); 1544 void devlink_free(struct devlink *devlink); 1545 1546 /** 1547 * struct devlink_port_ops - Port operations 1548 * @port_split: Callback used to split the port into multiple ones. 1549 * @port_unsplit: Callback used to unsplit the port group back into 1550 * a single port. 1551 * @port_type_set: Callback used to set a type of a port. 1552 * @port_del: Callback used to delete selected port along with related function. 1553 * Devlink core calls this upon user request to delete 1554 * a port previously created by devlink_ops->port_new(). 1555 * @port_fn_hw_addr_get: Callback used to set port function's hardware address. 1556 * Should be used by device drivers to report 1557 * the hardware address of a function managed 1558 * by the devlink port. 1559 * @port_fn_hw_addr_set: Callback used to set port function's hardware address. 1560 * Should be used by device drivers to set the hardware 1561 * address of a function managed by the devlink port. 1562 * @port_fn_roce_get: Callback used to get port function's RoCE capability. 1563 * Should be used by device drivers to report 1564 * the current state of RoCE capability of a function 1565 * managed by the devlink port. 1566 * @port_fn_roce_set: Callback used to set port function's RoCE capability. 1567 * Should be used by device drivers to enable/disable 1568 * RoCE capability of a function managed 1569 * by the devlink port. 1570 * @port_fn_migratable_get: Callback used to get port function's migratable 1571 * capability. Should be used by device drivers 1572 * to report the current state of migratable capability 1573 * of a function managed by the devlink port. 1574 * @port_fn_migratable_set: Callback used to set port function's migratable 1575 * capability. Should be used by device drivers 1576 * to enable/disable migratable capability of 1577 * a function managed by the devlink port. 1578 * @port_fn_state_get: Callback used to get port function's state. 1579 * Should be used by device drivers to report 1580 * the current admin and operational state of a 1581 * function managed by the devlink port. 1582 * @port_fn_state_set: Callback used to get port function's state. 1583 * Should be used by device drivers set 1584 * the admin state of a function managed 1585 * by the devlink port. 1586 * 1587 * Note: Driver should return -EOPNOTSUPP if it doesn't support 1588 * port function (@port_fn_*) handling for a particular port. 1589 */ 1590 struct devlink_port_ops { 1591 int (*port_split)(struct devlink *devlink, struct devlink_port *port, 1592 unsigned int count, struct netlink_ext_ack *extack); 1593 int (*port_unsplit)(struct devlink *devlink, struct devlink_port *port, 1594 struct netlink_ext_ack *extack); 1595 int (*port_type_set)(struct devlink_port *devlink_port, 1596 enum devlink_port_type port_type); 1597 int (*port_del)(struct devlink *devlink, struct devlink_port *port, 1598 struct netlink_ext_ack *extack); 1599 int (*port_fn_hw_addr_get)(struct devlink_port *port, u8 *hw_addr, 1600 int *hw_addr_len, 1601 struct netlink_ext_ack *extack); 1602 int (*port_fn_hw_addr_set)(struct devlink_port *port, 1603 const u8 *hw_addr, int hw_addr_len, 1604 struct netlink_ext_ack *extack); 1605 int (*port_fn_roce_get)(struct devlink_port *devlink_port, 1606 bool *is_enable, 1607 struct netlink_ext_ack *extack); 1608 int (*port_fn_roce_set)(struct devlink_port *devlink_port, 1609 bool enable, struct netlink_ext_ack *extack); 1610 int (*port_fn_migratable_get)(struct devlink_port *devlink_port, 1611 bool *is_enable, 1612 struct netlink_ext_ack *extack); 1613 int (*port_fn_migratable_set)(struct devlink_port *devlink_port, 1614 bool enable, 1615 struct netlink_ext_ack *extack); 1616 int (*port_fn_state_get)(struct devlink_port *port, 1617 enum devlink_port_fn_state *state, 1618 enum devlink_port_fn_opstate *opstate, 1619 struct netlink_ext_ack *extack); 1620 int (*port_fn_state_set)(struct devlink_port *port, 1621 enum devlink_port_fn_state state, 1622 struct netlink_ext_ack *extack); 1623 }; 1624 1625 void devlink_port_init(struct devlink *devlink, 1626 struct devlink_port *devlink_port); 1627 void devlink_port_fini(struct devlink_port *devlink_port); 1628 1629 int devl_port_register_with_ops(struct devlink *devlink, 1630 struct devlink_port *devlink_port, 1631 unsigned int port_index, 1632 const struct devlink_port_ops *ops); 1633 1634 static inline int devl_port_register(struct devlink *devlink, 1635 struct devlink_port *devlink_port, 1636 unsigned int port_index) 1637 { 1638 return devl_port_register_with_ops(devlink, devlink_port, 1639 port_index, NULL); 1640 } 1641 1642 int devlink_port_register_with_ops(struct devlink *devlink, 1643 struct devlink_port *devlink_port, 1644 unsigned int port_index, 1645 const struct devlink_port_ops *ops); 1646 1647 static inline int devlink_port_register(struct devlink *devlink, 1648 struct devlink_port *devlink_port, 1649 unsigned int port_index) 1650 { 1651 return devlink_port_register_with_ops(devlink, devlink_port, 1652 port_index, NULL); 1653 } 1654 1655 void devl_port_unregister(struct devlink_port *devlink_port); 1656 void devlink_port_unregister(struct devlink_port *devlink_port); 1657 void devlink_port_type_eth_set(struct devlink_port *devlink_port); 1658 void devlink_port_type_ib_set(struct devlink_port *devlink_port, 1659 struct ib_device *ibdev); 1660 void devlink_port_type_clear(struct devlink_port *devlink_port); 1661 void devlink_port_attrs_set(struct devlink_port *devlink_port, 1662 struct devlink_port_attrs *devlink_port_attrs); 1663 void devlink_port_attrs_pci_pf_set(struct devlink_port *devlink_port, u32 controller, 1664 u16 pf, bool external); 1665 void devlink_port_attrs_pci_vf_set(struct devlink_port *devlink_port, u32 controller, 1666 u16 pf, u16 vf, bool external); 1667 void devlink_port_attrs_pci_sf_set(struct devlink_port *devlink_port, 1668 u32 controller, u16 pf, u32 sf, 1669 bool external); 1670 struct devlink_rate * 1671 devl_rate_node_create(struct devlink *devlink, void *priv, char *node_name, 1672 struct devlink_rate *parent); 1673 int 1674 devl_rate_leaf_create(struct devlink_port *devlink_port, void *priv, 1675 struct devlink_rate *parent); 1676 void devl_rate_leaf_destroy(struct devlink_port *devlink_port); 1677 void devl_rate_nodes_destroy(struct devlink *devlink); 1678 void devlink_port_linecard_set(struct devlink_port *devlink_port, 1679 struct devlink_linecard *linecard); 1680 struct devlink_linecard * 1681 devl_linecard_create(struct devlink *devlink, unsigned int linecard_index, 1682 const struct devlink_linecard_ops *ops, void *priv); 1683 void devl_linecard_destroy(struct devlink_linecard *linecard); 1684 void devlink_linecard_provision_set(struct devlink_linecard *linecard, 1685 const char *type); 1686 void devlink_linecard_provision_clear(struct devlink_linecard *linecard); 1687 void devlink_linecard_provision_fail(struct devlink_linecard *linecard); 1688 void devlink_linecard_activate(struct devlink_linecard *linecard); 1689 void devlink_linecard_deactivate(struct devlink_linecard *linecard); 1690 void devlink_linecard_nested_dl_set(struct devlink_linecard *linecard, 1691 struct devlink *nested_devlink); 1692 int devl_sb_register(struct devlink *devlink, unsigned int sb_index, 1693 u32 size, u16 ingress_pools_count, 1694 u16 egress_pools_count, u16 ingress_tc_count, 1695 u16 egress_tc_count); 1696 int devlink_sb_register(struct devlink *devlink, unsigned int sb_index, 1697 u32 size, u16 ingress_pools_count, 1698 u16 egress_pools_count, u16 ingress_tc_count, 1699 u16 egress_tc_count); 1700 void devl_sb_unregister(struct devlink *devlink, unsigned int sb_index); 1701 void devlink_sb_unregister(struct devlink *devlink, unsigned int sb_index); 1702 int devl_dpipe_table_register(struct devlink *devlink, 1703 const char *table_name, 1704 struct devlink_dpipe_table_ops *table_ops, 1705 void *priv, bool counter_control_extern); 1706 void devl_dpipe_table_unregister(struct devlink *devlink, 1707 const char *table_name); 1708 void devl_dpipe_headers_register(struct devlink *devlink, 1709 struct devlink_dpipe_headers *dpipe_headers); 1710 void devl_dpipe_headers_unregister(struct devlink *devlink); 1711 bool devlink_dpipe_table_counter_enabled(struct devlink *devlink, 1712 const char *table_name); 1713 int devlink_dpipe_entry_ctx_prepare(struct devlink_dpipe_dump_ctx *dump_ctx); 1714 int devlink_dpipe_entry_ctx_append(struct devlink_dpipe_dump_ctx *dump_ctx, 1715 struct devlink_dpipe_entry *entry); 1716 int devlink_dpipe_entry_ctx_close(struct devlink_dpipe_dump_ctx *dump_ctx); 1717 void devlink_dpipe_entry_clear(struct devlink_dpipe_entry *entry); 1718 int devlink_dpipe_action_put(struct sk_buff *skb, 1719 struct devlink_dpipe_action *action); 1720 int devlink_dpipe_match_put(struct sk_buff *skb, 1721 struct devlink_dpipe_match *match); 1722 extern struct devlink_dpipe_header devlink_dpipe_header_ethernet; 1723 extern struct devlink_dpipe_header devlink_dpipe_header_ipv4; 1724 extern struct devlink_dpipe_header devlink_dpipe_header_ipv6; 1725 1726 int devl_resource_register(struct devlink *devlink, 1727 const char *resource_name, 1728 u64 resource_size, 1729 u64 resource_id, 1730 u64 parent_resource_id, 1731 const struct devlink_resource_size_params *size_params); 1732 int devlink_resource_register(struct devlink *devlink, 1733 const char *resource_name, 1734 u64 resource_size, 1735 u64 resource_id, 1736 u64 parent_resource_id, 1737 const struct devlink_resource_size_params *size_params); 1738 void devl_resources_unregister(struct devlink *devlink); 1739 void devlink_resources_unregister(struct devlink *devlink); 1740 int devl_resource_size_get(struct devlink *devlink, 1741 u64 resource_id, 1742 u64 *p_resource_size); 1743 int devl_dpipe_table_resource_set(struct devlink *devlink, 1744 const char *table_name, u64 resource_id, 1745 u64 resource_units); 1746 int devlink_dpipe_table_resource_set(struct devlink *devlink, 1747 const char *table_name, u64 resource_id, 1748 u64 resource_units); 1749 void devl_resource_occ_get_register(struct devlink *devlink, 1750 u64 resource_id, 1751 devlink_resource_occ_get_t *occ_get, 1752 void *occ_get_priv); 1753 void devlink_resource_occ_get_register(struct devlink *devlink, 1754 u64 resource_id, 1755 devlink_resource_occ_get_t *occ_get, 1756 void *occ_get_priv); 1757 void devl_resource_occ_get_unregister(struct devlink *devlink, 1758 u64 resource_id); 1759 1760 void devlink_resource_occ_get_unregister(struct devlink *devlink, 1761 u64 resource_id); 1762 int devl_params_register(struct devlink *devlink, 1763 const struct devlink_param *params, 1764 size_t params_count); 1765 int devlink_params_register(struct devlink *devlink, 1766 const struct devlink_param *params, 1767 size_t params_count); 1768 void devl_params_unregister(struct devlink *devlink, 1769 const struct devlink_param *params, 1770 size_t params_count); 1771 void devlink_params_unregister(struct devlink *devlink, 1772 const struct devlink_param *params, 1773 size_t params_count); 1774 int devl_param_driverinit_value_get(struct devlink *devlink, u32 param_id, 1775 union devlink_param_value *val); 1776 void devl_param_driverinit_value_set(struct devlink *devlink, u32 param_id, 1777 union devlink_param_value init_val); 1778 void devl_param_value_changed(struct devlink *devlink, u32 param_id); 1779 struct devlink_region *devl_region_create(struct devlink *devlink, 1780 const struct devlink_region_ops *ops, 1781 u32 region_max_snapshots, 1782 u64 region_size); 1783 struct devlink_region * 1784 devlink_region_create(struct devlink *devlink, 1785 const struct devlink_region_ops *ops, 1786 u32 region_max_snapshots, u64 region_size); 1787 struct devlink_region * 1788 devlink_port_region_create(struct devlink_port *port, 1789 const struct devlink_port_region_ops *ops, 1790 u32 region_max_snapshots, u64 region_size); 1791 void devl_region_destroy(struct devlink_region *region); 1792 void devlink_region_destroy(struct devlink_region *region); 1793 void devlink_port_region_destroy(struct devlink_region *region); 1794 1795 int devlink_region_snapshot_id_get(struct devlink *devlink, u32 *id); 1796 void devlink_region_snapshot_id_put(struct devlink *devlink, u32 id); 1797 int devlink_region_snapshot_create(struct devlink_region *region, 1798 u8 *data, u32 snapshot_id); 1799 int devlink_info_serial_number_put(struct devlink_info_req *req, 1800 const char *sn); 1801 int devlink_info_board_serial_number_put(struct devlink_info_req *req, 1802 const char *bsn); 1803 1804 enum devlink_info_version_type { 1805 DEVLINK_INFO_VERSION_TYPE_NONE, 1806 DEVLINK_INFO_VERSION_TYPE_COMPONENT, /* May be used as flash update 1807 * component by name. 1808 */ 1809 }; 1810 1811 int devlink_info_version_fixed_put(struct devlink_info_req *req, 1812 const char *version_name, 1813 const char *version_value); 1814 int devlink_info_version_stored_put(struct devlink_info_req *req, 1815 const char *version_name, 1816 const char *version_value); 1817 int devlink_info_version_stored_put_ext(struct devlink_info_req *req, 1818 const char *version_name, 1819 const char *version_value, 1820 enum devlink_info_version_type version_type); 1821 int devlink_info_version_running_put(struct devlink_info_req *req, 1822 const char *version_name, 1823 const char *version_value); 1824 int devlink_info_version_running_put_ext(struct devlink_info_req *req, 1825 const char *version_name, 1826 const char *version_value, 1827 enum devlink_info_version_type version_type); 1828 1829 int devlink_fmsg_obj_nest_start(struct devlink_fmsg *fmsg); 1830 int devlink_fmsg_obj_nest_end(struct devlink_fmsg *fmsg); 1831 1832 int devlink_fmsg_pair_nest_start(struct devlink_fmsg *fmsg, const char *name); 1833 int devlink_fmsg_pair_nest_end(struct devlink_fmsg *fmsg); 1834 1835 int devlink_fmsg_arr_pair_nest_start(struct devlink_fmsg *fmsg, 1836 const char *name); 1837 int devlink_fmsg_arr_pair_nest_end(struct devlink_fmsg *fmsg); 1838 int devlink_fmsg_binary_pair_nest_start(struct devlink_fmsg *fmsg, 1839 const char *name); 1840 int devlink_fmsg_binary_pair_nest_end(struct devlink_fmsg *fmsg); 1841 1842 int devlink_fmsg_u32_put(struct devlink_fmsg *fmsg, u32 value); 1843 int devlink_fmsg_string_put(struct devlink_fmsg *fmsg, const char *value); 1844 int devlink_fmsg_binary_put(struct devlink_fmsg *fmsg, const void *value, 1845 u16 value_len); 1846 1847 int devlink_fmsg_bool_pair_put(struct devlink_fmsg *fmsg, const char *name, 1848 bool value); 1849 int devlink_fmsg_u8_pair_put(struct devlink_fmsg *fmsg, const char *name, 1850 u8 value); 1851 int devlink_fmsg_u32_pair_put(struct devlink_fmsg *fmsg, const char *name, 1852 u32 value); 1853 int devlink_fmsg_u64_pair_put(struct devlink_fmsg *fmsg, const char *name, 1854 u64 value); 1855 int devlink_fmsg_string_pair_put(struct devlink_fmsg *fmsg, const char *name, 1856 const char *value); 1857 int devlink_fmsg_binary_pair_put(struct devlink_fmsg *fmsg, const char *name, 1858 const void *value, u32 value_len); 1859 1860 struct devlink_health_reporter * 1861 devl_port_health_reporter_create(struct devlink_port *port, 1862 const struct devlink_health_reporter_ops *ops, 1863 u64 graceful_period, void *priv); 1864 1865 struct devlink_health_reporter * 1866 devlink_port_health_reporter_create(struct devlink_port *port, 1867 const struct devlink_health_reporter_ops *ops, 1868 u64 graceful_period, void *priv); 1869 1870 struct devlink_health_reporter * 1871 devl_health_reporter_create(struct devlink *devlink, 1872 const struct devlink_health_reporter_ops *ops, 1873 u64 graceful_period, void *priv); 1874 1875 struct devlink_health_reporter * 1876 devlink_health_reporter_create(struct devlink *devlink, 1877 const struct devlink_health_reporter_ops *ops, 1878 u64 graceful_period, void *priv); 1879 1880 void 1881 devl_health_reporter_destroy(struct devlink_health_reporter *reporter); 1882 1883 void 1884 devlink_health_reporter_destroy(struct devlink_health_reporter *reporter); 1885 1886 void * 1887 devlink_health_reporter_priv(struct devlink_health_reporter *reporter); 1888 int devlink_health_report(struct devlink_health_reporter *reporter, 1889 const char *msg, void *priv_ctx); 1890 void 1891 devlink_health_reporter_state_update(struct devlink_health_reporter *reporter, 1892 enum devlink_health_reporter_state state); 1893 void 1894 devlink_health_reporter_recovery_done(struct devlink_health_reporter *reporter); 1895 1896 bool devlink_is_reload_failed(const struct devlink *devlink); 1897 void devlink_remote_reload_actions_performed(struct devlink *devlink, 1898 enum devlink_reload_limit limit, 1899 u32 actions_performed); 1900 1901 void devlink_flash_update_status_notify(struct devlink *devlink, 1902 const char *status_msg, 1903 const char *component, 1904 unsigned long done, 1905 unsigned long total); 1906 void devlink_flash_update_timeout_notify(struct devlink *devlink, 1907 const char *status_msg, 1908 const char *component, 1909 unsigned long timeout); 1910 1911 int devl_traps_register(struct devlink *devlink, 1912 const struct devlink_trap *traps, 1913 size_t traps_count, void *priv); 1914 int devlink_traps_register(struct devlink *devlink, 1915 const struct devlink_trap *traps, 1916 size_t traps_count, void *priv); 1917 void devl_traps_unregister(struct devlink *devlink, 1918 const struct devlink_trap *traps, 1919 size_t traps_count); 1920 void devlink_traps_unregister(struct devlink *devlink, 1921 const struct devlink_trap *traps, 1922 size_t traps_count); 1923 void devlink_trap_report(struct devlink *devlink, struct sk_buff *skb, 1924 void *trap_ctx, struct devlink_port *in_devlink_port, 1925 const struct flow_action_cookie *fa_cookie); 1926 void *devlink_trap_ctx_priv(void *trap_ctx); 1927 int devl_trap_groups_register(struct devlink *devlink, 1928 const struct devlink_trap_group *groups, 1929 size_t groups_count); 1930 int devlink_trap_groups_register(struct devlink *devlink, 1931 const struct devlink_trap_group *groups, 1932 size_t groups_count); 1933 void devl_trap_groups_unregister(struct devlink *devlink, 1934 const struct devlink_trap_group *groups, 1935 size_t groups_count); 1936 void devlink_trap_groups_unregister(struct devlink *devlink, 1937 const struct devlink_trap_group *groups, 1938 size_t groups_count); 1939 int 1940 devl_trap_policers_register(struct devlink *devlink, 1941 const struct devlink_trap_policer *policers, 1942 size_t policers_count); 1943 void 1944 devl_trap_policers_unregister(struct devlink *devlink, 1945 const struct devlink_trap_policer *policers, 1946 size_t policers_count); 1947 1948 #if IS_ENABLED(CONFIG_NET_DEVLINK) 1949 1950 struct devlink *__must_check devlink_try_get(struct devlink *devlink); 1951 void devlink_put(struct devlink *devlink); 1952 1953 void devlink_compat_running_version(struct devlink *devlink, 1954 char *buf, size_t len); 1955 int devlink_compat_flash_update(struct devlink *devlink, const char *file_name); 1956 int devlink_compat_phys_port_name_get(struct net_device *dev, 1957 char *name, size_t len); 1958 int devlink_compat_switch_id_get(struct net_device *dev, 1959 struct netdev_phys_item_id *ppid); 1960 1961 int devlink_nl_port_handle_fill(struct sk_buff *msg, struct devlink_port *devlink_port); 1962 size_t devlink_nl_port_handle_size(struct devlink_port *devlink_port); 1963 1964 #else 1965 1966 static inline struct devlink *devlink_try_get(struct devlink *devlink) 1967 { 1968 return NULL; 1969 } 1970 1971 static inline void devlink_put(struct devlink *devlink) 1972 { 1973 } 1974 1975 static inline void 1976 devlink_compat_running_version(struct devlink *devlink, char *buf, size_t len) 1977 { 1978 } 1979 1980 static inline int 1981 devlink_compat_flash_update(struct devlink *devlink, const char *file_name) 1982 { 1983 return -EOPNOTSUPP; 1984 } 1985 1986 static inline int 1987 devlink_compat_phys_port_name_get(struct net_device *dev, 1988 char *name, size_t len) 1989 { 1990 return -EOPNOTSUPP; 1991 } 1992 1993 static inline int 1994 devlink_compat_switch_id_get(struct net_device *dev, 1995 struct netdev_phys_item_id *ppid) 1996 { 1997 return -EOPNOTSUPP; 1998 } 1999 2000 static inline int 2001 devlink_nl_port_handle_fill(struct sk_buff *msg, struct devlink_port *devlink_port) 2002 { 2003 return 0; 2004 } 2005 2006 static inline size_t devlink_nl_port_handle_size(struct devlink_port *devlink_port) 2007 { 2008 return 0; 2009 } 2010 2011 #endif 2012 2013 #endif /* _NET_DEVLINK_H_ */ 2014