1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * include/net/devlink.h - Network physical device Netlink interface 4 * Copyright (c) 2016 Mellanox Technologies. All rights reserved. 5 * Copyright (c) 2016 Jiri Pirko <jiri@mellanox.com> 6 */ 7 #ifndef _NET_DEVLINK_H_ 8 #define _NET_DEVLINK_H_ 9 10 #include <linux/device.h> 11 #include <linux/slab.h> 12 #include <linux/gfp.h> 13 #include <linux/list.h> 14 #include <linux/netdevice.h> 15 #include <linux/spinlock.h> 16 #include <linux/workqueue.h> 17 #include <linux/refcount.h> 18 #include <net/net_namespace.h> 19 #include <net/flow_offload.h> 20 #include <uapi/linux/devlink.h> 21 #include <linux/xarray.h> 22 #include <linux/firmware.h> 23 24 struct devlink; 25 struct devlink_linecard; 26 27 struct devlink_port_phys_attrs { 28 u32 port_number; /* Same value as "split group". 29 * A physical port which is visible to the user 30 * for a given port flavour. 31 */ 32 u32 split_subport_number; /* If the port is split, this is the number of subport. */ 33 }; 34 35 /** 36 * struct devlink_port_pci_pf_attrs - devlink port's PCI PF attributes 37 * @controller: Associated controller number 38 * @pf: Associated PCI PF number for this port. 39 * @external: when set, indicates if a port is for an external controller 40 */ 41 struct devlink_port_pci_pf_attrs { 42 u32 controller; 43 u16 pf; 44 u8 external:1; 45 }; 46 47 /** 48 * struct devlink_port_pci_vf_attrs - devlink port's PCI VF attributes 49 * @controller: Associated controller number 50 * @pf: Associated PCI PF number for this port. 51 * @vf: Associated PCI VF for of the PCI PF for this port. 52 * @external: when set, indicates if a port is for an external controller 53 */ 54 struct devlink_port_pci_vf_attrs { 55 u32 controller; 56 u16 pf; 57 u16 vf; 58 u8 external:1; 59 }; 60 61 /** 62 * struct devlink_port_pci_sf_attrs - devlink port's PCI SF attributes 63 * @controller: Associated controller number 64 * @sf: Associated PCI SF for of the PCI PF for this port. 65 * @pf: Associated PCI PF number for this port. 66 * @external: when set, indicates if a port is for an external controller 67 */ 68 struct devlink_port_pci_sf_attrs { 69 u32 controller; 70 u32 sf; 71 u16 pf; 72 u8 external:1; 73 }; 74 75 /** 76 * struct devlink_port_attrs - devlink port object 77 * @flavour: flavour of the port 78 * @split: indicates if this is split port 79 * @splittable: indicates if the port can be split. 80 * @lanes: maximum number of lanes the port supports. 0 value is not passed to netlink. 81 * @switch_id: if the port is part of switch, this is buffer with ID, otherwise this is NULL 82 * @phys: physical port attributes 83 * @pci_pf: PCI PF port attributes 84 * @pci_vf: PCI VF port attributes 85 * @pci_sf: PCI SF port attributes 86 */ 87 struct devlink_port_attrs { 88 u8 split:1, 89 splittable:1; 90 u32 lanes; 91 enum devlink_port_flavour flavour; 92 struct netdev_phys_item_id switch_id; 93 union { 94 struct devlink_port_phys_attrs phys; 95 struct devlink_port_pci_pf_attrs pci_pf; 96 struct devlink_port_pci_vf_attrs pci_vf; 97 struct devlink_port_pci_sf_attrs pci_sf; 98 }; 99 }; 100 101 struct devlink_rate { 102 struct list_head list; 103 enum devlink_rate_type type; 104 struct devlink *devlink; 105 void *priv; 106 u64 tx_share; 107 u64 tx_max; 108 109 struct devlink_rate *parent; 110 union { 111 struct devlink_port *devlink_port; 112 struct { 113 char *name; 114 refcount_t refcnt; 115 }; 116 }; 117 }; 118 119 struct devlink_port { 120 struct list_head list; 121 struct list_head region_list; 122 struct devlink *devlink; 123 unsigned int index; 124 spinlock_t type_lock; /* Protects type and type_eth/ib 125 * structures consistency. 126 */ 127 enum devlink_port_type type; 128 enum devlink_port_type desired_type; 129 union { 130 struct { 131 struct net_device *netdev; 132 int ifindex; 133 char ifname[IFNAMSIZ]; 134 } type_eth; 135 struct { 136 struct ib_device *ibdev; 137 } type_ib; 138 }; 139 struct devlink_port_attrs attrs; 140 u8 attrs_set:1, 141 switch_port:1, 142 registered:1, 143 initialized:1; 144 struct delayed_work type_warn_dw; 145 struct list_head reporter_list; 146 struct mutex reporters_lock; /* Protects reporter_list */ 147 148 struct devlink_rate *devlink_rate; 149 struct devlink_linecard *linecard; 150 }; 151 152 struct devlink_port_new_attrs { 153 enum devlink_port_flavour flavour; 154 unsigned int port_index; 155 u32 controller; 156 u32 sfnum; 157 u16 pfnum; 158 u8 port_index_valid:1, 159 controller_valid:1, 160 sfnum_valid:1; 161 }; 162 163 /** 164 * struct devlink_linecard_ops - Linecard operations 165 * @provision: callback to provision the linecard slot with certain 166 * type of linecard. As a result of this operation, 167 * driver is expected to eventually (could be after 168 * the function call returns) call one of: 169 * devlink_linecard_provision_set() 170 * devlink_linecard_provision_fail() 171 * @unprovision: callback to unprovision the linecard slot. As a result 172 * of this operation, driver is expected to eventually 173 * (could be after the function call returns) call 174 * devlink_linecard_provision_clear() 175 * devlink_linecard_provision_fail() 176 * @same_provision: callback to ask the driver if linecard is already 177 * provisioned in the same way user asks this linecard to be 178 * provisioned. 179 * @types_count: callback to get number of supported types 180 * @types_get: callback to get next type in list 181 */ 182 struct devlink_linecard_ops { 183 int (*provision)(struct devlink_linecard *linecard, void *priv, 184 const char *type, const void *type_priv, 185 struct netlink_ext_ack *extack); 186 int (*unprovision)(struct devlink_linecard *linecard, void *priv, 187 struct netlink_ext_ack *extack); 188 bool (*same_provision)(struct devlink_linecard *linecard, void *priv, 189 const char *type, const void *type_priv); 190 unsigned int (*types_count)(struct devlink_linecard *linecard, 191 void *priv); 192 void (*types_get)(struct devlink_linecard *linecard, 193 void *priv, unsigned int index, const char **type, 194 const void **type_priv); 195 }; 196 197 struct devlink_sb_pool_info { 198 enum devlink_sb_pool_type pool_type; 199 u32 size; 200 enum devlink_sb_threshold_type threshold_type; 201 u32 cell_size; 202 }; 203 204 /** 205 * struct devlink_dpipe_field - dpipe field object 206 * @name: field name 207 * @id: index inside the headers field array 208 * @bitwidth: bitwidth 209 * @mapping_type: mapping type 210 */ 211 struct devlink_dpipe_field { 212 const char *name; 213 unsigned int id; 214 unsigned int bitwidth; 215 enum devlink_dpipe_field_mapping_type mapping_type; 216 }; 217 218 /** 219 * struct devlink_dpipe_header - dpipe header object 220 * @name: header name 221 * @id: index, global/local detrmined by global bit 222 * @fields: fields 223 * @fields_count: number of fields 224 * @global: indicates if header is shared like most protocol header 225 * or driver specific 226 */ 227 struct devlink_dpipe_header { 228 const char *name; 229 unsigned int id; 230 struct devlink_dpipe_field *fields; 231 unsigned int fields_count; 232 bool global; 233 }; 234 235 /** 236 * struct devlink_dpipe_match - represents match operation 237 * @type: type of match 238 * @header_index: header index (packets can have several headers of same 239 * type like in case of tunnels) 240 * @header: header 241 * @fieled_id: field index 242 */ 243 struct devlink_dpipe_match { 244 enum devlink_dpipe_match_type type; 245 unsigned int header_index; 246 struct devlink_dpipe_header *header; 247 unsigned int field_id; 248 }; 249 250 /** 251 * struct devlink_dpipe_action - represents action operation 252 * @type: type of action 253 * @header_index: header index (packets can have several headers of same 254 * type like in case of tunnels) 255 * @header: header 256 * @fieled_id: field index 257 */ 258 struct devlink_dpipe_action { 259 enum devlink_dpipe_action_type type; 260 unsigned int header_index; 261 struct devlink_dpipe_header *header; 262 unsigned int field_id; 263 }; 264 265 /** 266 * struct devlink_dpipe_value - represents value of match/action 267 * @action: action 268 * @match: match 269 * @mapping_value: in case the field has some mapping this value 270 * specified the mapping value 271 * @mapping_valid: specify if mapping value is valid 272 * @value_size: value size 273 * @value: value 274 * @mask: bit mask 275 */ 276 struct devlink_dpipe_value { 277 union { 278 struct devlink_dpipe_action *action; 279 struct devlink_dpipe_match *match; 280 }; 281 unsigned int mapping_value; 282 bool mapping_valid; 283 unsigned int value_size; 284 void *value; 285 void *mask; 286 }; 287 288 /** 289 * struct devlink_dpipe_entry - table entry object 290 * @index: index of the entry in the table 291 * @match_values: match values 292 * @matche_values_count: count of matches tuples 293 * @action_values: actions values 294 * @action_values_count: count of actions values 295 * @counter: value of counter 296 * @counter_valid: Specify if value is valid from hardware 297 */ 298 struct devlink_dpipe_entry { 299 u64 index; 300 struct devlink_dpipe_value *match_values; 301 unsigned int match_values_count; 302 struct devlink_dpipe_value *action_values; 303 unsigned int action_values_count; 304 u64 counter; 305 bool counter_valid; 306 }; 307 308 /** 309 * struct devlink_dpipe_dump_ctx - context provided to driver in order 310 * to dump 311 * @info: info 312 * @cmd: devlink command 313 * @skb: skb 314 * @nest: top attribute 315 * @hdr: hdr 316 */ 317 struct devlink_dpipe_dump_ctx { 318 struct genl_info *info; 319 enum devlink_command cmd; 320 struct sk_buff *skb; 321 struct nlattr *nest; 322 void *hdr; 323 }; 324 325 struct devlink_dpipe_table_ops; 326 327 /** 328 * struct devlink_dpipe_table - table object 329 * @priv: private 330 * @name: table name 331 * @counters_enabled: indicates if counters are active 332 * @counter_control_extern: indicates if counter control is in dpipe or 333 * external tool 334 * @resource_valid: Indicate that the resource id is valid 335 * @resource_id: relative resource this table is related to 336 * @resource_units: number of resource's unit consumed per table's entry 337 * @table_ops: table operations 338 * @rcu: rcu 339 */ 340 struct devlink_dpipe_table { 341 void *priv; 342 struct list_head list; 343 const char *name; 344 bool counters_enabled; 345 bool counter_control_extern; 346 bool resource_valid; 347 u64 resource_id; 348 u64 resource_units; 349 struct devlink_dpipe_table_ops *table_ops; 350 struct rcu_head rcu; 351 }; 352 353 /** 354 * struct devlink_dpipe_table_ops - dpipe_table ops 355 * @actions_dump - dumps all tables actions 356 * @matches_dump - dumps all tables matches 357 * @entries_dump - dumps all active entries in the table 358 * @counters_set_update - when changing the counter status hardware sync 359 * maybe needed to allocate/free counter related 360 * resources 361 * @size_get - get size 362 */ 363 struct devlink_dpipe_table_ops { 364 int (*actions_dump)(void *priv, struct sk_buff *skb); 365 int (*matches_dump)(void *priv, struct sk_buff *skb); 366 int (*entries_dump)(void *priv, bool counters_enabled, 367 struct devlink_dpipe_dump_ctx *dump_ctx); 368 int (*counters_set_update)(void *priv, bool enable); 369 u64 (*size_get)(void *priv); 370 }; 371 372 /** 373 * struct devlink_dpipe_headers - dpipe headers 374 * @headers - header array can be shared (global bit) or driver specific 375 * @headers_count - count of headers 376 */ 377 struct devlink_dpipe_headers { 378 struct devlink_dpipe_header **headers; 379 unsigned int headers_count; 380 }; 381 382 /** 383 * struct devlink_resource_size_params - resource's size parameters 384 * @size_min: minimum size which can be set 385 * @size_max: maximum size which can be set 386 * @size_granularity: size granularity 387 * @size_unit: resource's basic unit 388 */ 389 struct devlink_resource_size_params { 390 u64 size_min; 391 u64 size_max; 392 u64 size_granularity; 393 enum devlink_resource_unit unit; 394 }; 395 396 static inline void 397 devlink_resource_size_params_init(struct devlink_resource_size_params *size_params, 398 u64 size_min, u64 size_max, 399 u64 size_granularity, 400 enum devlink_resource_unit unit) 401 { 402 size_params->size_min = size_min; 403 size_params->size_max = size_max; 404 size_params->size_granularity = size_granularity; 405 size_params->unit = unit; 406 } 407 408 typedef u64 devlink_resource_occ_get_t(void *priv); 409 410 #define DEVLINK_RESOURCE_ID_PARENT_TOP 0 411 412 #define DEVLINK_RESOURCE_GENERIC_NAME_PORTS "physical_ports" 413 414 #define __DEVLINK_PARAM_MAX_STRING_VALUE 32 415 enum devlink_param_type { 416 DEVLINK_PARAM_TYPE_U8, 417 DEVLINK_PARAM_TYPE_U16, 418 DEVLINK_PARAM_TYPE_U32, 419 DEVLINK_PARAM_TYPE_STRING, 420 DEVLINK_PARAM_TYPE_BOOL, 421 }; 422 423 union devlink_param_value { 424 u8 vu8; 425 u16 vu16; 426 u32 vu32; 427 char vstr[__DEVLINK_PARAM_MAX_STRING_VALUE]; 428 bool vbool; 429 }; 430 431 struct devlink_param_gset_ctx { 432 union devlink_param_value val; 433 enum devlink_param_cmode cmode; 434 }; 435 436 /** 437 * struct devlink_flash_notify - devlink dev flash notify data 438 * @status_msg: current status string 439 * @component: firmware component being updated 440 * @done: amount of work completed of total amount 441 * @total: amount of work expected to be done 442 * @timeout: expected max timeout in seconds 443 * 444 * These are values to be given to userland to be displayed in order 445 * to show current activity in a firmware update process. 446 */ 447 struct devlink_flash_notify { 448 const char *status_msg; 449 const char *component; 450 unsigned long done; 451 unsigned long total; 452 unsigned long timeout; 453 }; 454 455 /** 456 * struct devlink_param - devlink configuration parameter data 457 * @name: name of the parameter 458 * @generic: indicates if the parameter is generic or driver specific 459 * @type: parameter type 460 * @supported_cmodes: bitmap of supported configuration modes 461 * @get: get parameter value, used for runtime and permanent 462 * configuration modes 463 * @set: set parameter value, used for runtime and permanent 464 * configuration modes 465 * @validate: validate input value is applicable (within value range, etc.) 466 * 467 * This struct should be used by the driver to fill the data for 468 * a parameter it registers. 469 */ 470 struct devlink_param { 471 u32 id; 472 const char *name; 473 bool generic; 474 enum devlink_param_type type; 475 unsigned long supported_cmodes; 476 int (*get)(struct devlink *devlink, u32 id, 477 struct devlink_param_gset_ctx *ctx); 478 int (*set)(struct devlink *devlink, u32 id, 479 struct devlink_param_gset_ctx *ctx); 480 int (*validate)(struct devlink *devlink, u32 id, 481 union devlink_param_value val, 482 struct netlink_ext_ack *extack); 483 }; 484 485 struct devlink_param_item { 486 struct list_head list; 487 const struct devlink_param *param; 488 union devlink_param_value driverinit_value; 489 bool driverinit_value_valid; 490 }; 491 492 enum devlink_param_generic_id { 493 DEVLINK_PARAM_GENERIC_ID_INT_ERR_RESET, 494 DEVLINK_PARAM_GENERIC_ID_MAX_MACS, 495 DEVLINK_PARAM_GENERIC_ID_ENABLE_SRIOV, 496 DEVLINK_PARAM_GENERIC_ID_REGION_SNAPSHOT, 497 DEVLINK_PARAM_GENERIC_ID_IGNORE_ARI, 498 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX, 499 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN, 500 DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY, 501 DEVLINK_PARAM_GENERIC_ID_RESET_DEV_ON_DRV_PROBE, 502 DEVLINK_PARAM_GENERIC_ID_ENABLE_ROCE, 503 DEVLINK_PARAM_GENERIC_ID_ENABLE_REMOTE_DEV_RESET, 504 DEVLINK_PARAM_GENERIC_ID_ENABLE_ETH, 505 DEVLINK_PARAM_GENERIC_ID_ENABLE_RDMA, 506 DEVLINK_PARAM_GENERIC_ID_ENABLE_VNET, 507 DEVLINK_PARAM_GENERIC_ID_ENABLE_IWARP, 508 DEVLINK_PARAM_GENERIC_ID_IO_EQ_SIZE, 509 DEVLINK_PARAM_GENERIC_ID_EVENT_EQ_SIZE, 510 511 /* add new param generic ids above here*/ 512 __DEVLINK_PARAM_GENERIC_ID_MAX, 513 DEVLINK_PARAM_GENERIC_ID_MAX = __DEVLINK_PARAM_GENERIC_ID_MAX - 1, 514 }; 515 516 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_NAME "internal_error_reset" 517 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL 518 519 #define DEVLINK_PARAM_GENERIC_MAX_MACS_NAME "max_macs" 520 #define DEVLINK_PARAM_GENERIC_MAX_MACS_TYPE DEVLINK_PARAM_TYPE_U32 521 522 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_NAME "enable_sriov" 523 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_TYPE DEVLINK_PARAM_TYPE_BOOL 524 525 #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_NAME "region_snapshot_enable" 526 #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_TYPE DEVLINK_PARAM_TYPE_BOOL 527 528 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_NAME "ignore_ari" 529 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_TYPE DEVLINK_PARAM_TYPE_BOOL 530 531 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_NAME "msix_vec_per_pf_max" 532 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_TYPE DEVLINK_PARAM_TYPE_U32 533 534 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_NAME "msix_vec_per_pf_min" 535 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_TYPE DEVLINK_PARAM_TYPE_U32 536 537 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_NAME "fw_load_policy" 538 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_TYPE DEVLINK_PARAM_TYPE_U8 539 540 #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_NAME \ 541 "reset_dev_on_drv_probe" 542 #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_TYPE DEVLINK_PARAM_TYPE_U8 543 544 #define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_NAME "enable_roce" 545 #define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_TYPE DEVLINK_PARAM_TYPE_BOOL 546 547 #define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_NAME "enable_remote_dev_reset" 548 #define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL 549 550 #define DEVLINK_PARAM_GENERIC_ENABLE_ETH_NAME "enable_eth" 551 #define DEVLINK_PARAM_GENERIC_ENABLE_ETH_TYPE DEVLINK_PARAM_TYPE_BOOL 552 553 #define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_NAME "enable_rdma" 554 #define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_TYPE DEVLINK_PARAM_TYPE_BOOL 555 556 #define DEVLINK_PARAM_GENERIC_ENABLE_VNET_NAME "enable_vnet" 557 #define DEVLINK_PARAM_GENERIC_ENABLE_VNET_TYPE DEVLINK_PARAM_TYPE_BOOL 558 559 #define DEVLINK_PARAM_GENERIC_ENABLE_IWARP_NAME "enable_iwarp" 560 #define DEVLINK_PARAM_GENERIC_ENABLE_IWARP_TYPE DEVLINK_PARAM_TYPE_BOOL 561 562 #define DEVLINK_PARAM_GENERIC_IO_EQ_SIZE_NAME "io_eq_size" 563 #define DEVLINK_PARAM_GENERIC_IO_EQ_SIZE_TYPE DEVLINK_PARAM_TYPE_U32 564 565 #define DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_NAME "event_eq_size" 566 #define DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_TYPE DEVLINK_PARAM_TYPE_U32 567 568 #define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate) \ 569 { \ 570 .id = DEVLINK_PARAM_GENERIC_ID_##_id, \ 571 .name = DEVLINK_PARAM_GENERIC_##_id##_NAME, \ 572 .type = DEVLINK_PARAM_GENERIC_##_id##_TYPE, \ 573 .generic = true, \ 574 .supported_cmodes = _cmodes, \ 575 .get = _get, \ 576 .set = _set, \ 577 .validate = _validate, \ 578 } 579 580 #define DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, _get, _set, _validate) \ 581 { \ 582 .id = _id, \ 583 .name = _name, \ 584 .type = _type, \ 585 .supported_cmodes = _cmodes, \ 586 .get = _get, \ 587 .set = _set, \ 588 .validate = _validate, \ 589 } 590 591 /* Part number, identifier of board design */ 592 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_ID "board.id" 593 /* Revision of board design */ 594 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_REV "board.rev" 595 /* Maker of the board */ 596 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_MANUFACTURE "board.manufacture" 597 598 /* Part number, identifier of asic design */ 599 #define DEVLINK_INFO_VERSION_GENERIC_ASIC_ID "asic.id" 600 /* Revision of asic design */ 601 #define DEVLINK_INFO_VERSION_GENERIC_ASIC_REV "asic.rev" 602 603 /* Overall FW version */ 604 #define DEVLINK_INFO_VERSION_GENERIC_FW "fw" 605 /* Control processor FW version */ 606 #define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT "fw.mgmt" 607 /* FW interface specification version */ 608 #define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT_API "fw.mgmt.api" 609 /* Data path microcode controlling high-speed packet processing */ 610 #define DEVLINK_INFO_VERSION_GENERIC_FW_APP "fw.app" 611 /* UNDI software version */ 612 #define DEVLINK_INFO_VERSION_GENERIC_FW_UNDI "fw.undi" 613 /* NCSI support/handler version */ 614 #define DEVLINK_INFO_VERSION_GENERIC_FW_NCSI "fw.ncsi" 615 /* FW parameter set id */ 616 #define DEVLINK_INFO_VERSION_GENERIC_FW_PSID "fw.psid" 617 /* RoCE FW version */ 618 #define DEVLINK_INFO_VERSION_GENERIC_FW_ROCE "fw.roce" 619 /* Firmware bundle identifier */ 620 #define DEVLINK_INFO_VERSION_GENERIC_FW_BUNDLE_ID "fw.bundle_id" 621 622 /** 623 * struct devlink_flash_update_params - Flash Update parameters 624 * @fw: pointer to the firmware data to update from 625 * @component: the flash component to update 626 * 627 * With the exception of fw, drivers must opt-in to parameters by 628 * setting the appropriate bit in the supported_flash_update_params field in 629 * their devlink_ops structure. 630 */ 631 struct devlink_flash_update_params { 632 const struct firmware *fw; 633 const char *component; 634 u32 overwrite_mask; 635 }; 636 637 #define DEVLINK_SUPPORT_FLASH_UPDATE_OVERWRITE_MASK BIT(0) 638 639 struct devlink_region; 640 struct devlink_info_req; 641 642 /** 643 * struct devlink_region_ops - Region operations 644 * @name: region name 645 * @destructor: callback used to free snapshot memory when deleting 646 * @snapshot: callback to request an immediate snapshot. On success, 647 * the data variable must be updated to point to the snapshot data. 648 * The function will be called while the devlink instance lock is 649 * held. 650 * @priv: Pointer to driver private data for the region operation 651 */ 652 struct devlink_region_ops { 653 const char *name; 654 void (*destructor)(const void *data); 655 int (*snapshot)(struct devlink *devlink, 656 const struct devlink_region_ops *ops, 657 struct netlink_ext_ack *extack, 658 u8 **data); 659 void *priv; 660 }; 661 662 /** 663 * struct devlink_port_region_ops - Region operations for a port 664 * @name: region name 665 * @destructor: callback used to free snapshot memory when deleting 666 * @snapshot: callback to request an immediate snapshot. On success, 667 * the data variable must be updated to point to the snapshot data. 668 * The function will be called while the devlink instance lock is 669 * held. 670 * @priv: Pointer to driver private data for the region operation 671 */ 672 struct devlink_port_region_ops { 673 const char *name; 674 void (*destructor)(const void *data); 675 int (*snapshot)(struct devlink_port *port, 676 const struct devlink_port_region_ops *ops, 677 struct netlink_ext_ack *extack, 678 u8 **data); 679 void *priv; 680 }; 681 682 struct devlink_fmsg; 683 struct devlink_health_reporter; 684 685 enum devlink_health_reporter_state { 686 DEVLINK_HEALTH_REPORTER_STATE_HEALTHY, 687 DEVLINK_HEALTH_REPORTER_STATE_ERROR, 688 }; 689 690 /** 691 * struct devlink_health_reporter_ops - Reporter operations 692 * @name: reporter name 693 * @recover: callback to recover from reported error 694 * if priv_ctx is NULL, run a full recover 695 * @dump: callback to dump an object 696 * if priv_ctx is NULL, run a full dump 697 * @diagnose: callback to diagnose the current status 698 * @test: callback to trigger a test event 699 */ 700 701 struct devlink_health_reporter_ops { 702 char *name; 703 int (*recover)(struct devlink_health_reporter *reporter, 704 void *priv_ctx, struct netlink_ext_ack *extack); 705 int (*dump)(struct devlink_health_reporter *reporter, 706 struct devlink_fmsg *fmsg, void *priv_ctx, 707 struct netlink_ext_ack *extack); 708 int (*diagnose)(struct devlink_health_reporter *reporter, 709 struct devlink_fmsg *fmsg, 710 struct netlink_ext_ack *extack); 711 int (*test)(struct devlink_health_reporter *reporter, 712 struct netlink_ext_ack *extack); 713 }; 714 715 /** 716 * struct devlink_trap_metadata - Packet trap metadata. 717 * @trap_name: Trap name. 718 * @trap_group_name: Trap group name. 719 * @input_dev: Input netdevice. 720 * @dev_tracker: refcount tracker for @input_dev. 721 * @fa_cookie: Flow action user cookie. 722 * @trap_type: Trap type. 723 */ 724 struct devlink_trap_metadata { 725 const char *trap_name; 726 const char *trap_group_name; 727 728 struct net_device *input_dev; 729 netdevice_tracker dev_tracker; 730 731 const struct flow_action_cookie *fa_cookie; 732 enum devlink_trap_type trap_type; 733 }; 734 735 /** 736 * struct devlink_trap_policer - Immutable packet trap policer attributes. 737 * @id: Policer identifier. 738 * @init_rate: Initial rate in packets / sec. 739 * @init_burst: Initial burst size in packets. 740 * @max_rate: Maximum rate. 741 * @min_rate: Minimum rate. 742 * @max_burst: Maximum burst size. 743 * @min_burst: Minimum burst size. 744 * 745 * Describes immutable attributes of packet trap policers that drivers register 746 * with devlink. 747 */ 748 struct devlink_trap_policer { 749 u32 id; 750 u64 init_rate; 751 u64 init_burst; 752 u64 max_rate; 753 u64 min_rate; 754 u64 max_burst; 755 u64 min_burst; 756 }; 757 758 /** 759 * struct devlink_trap_group - Immutable packet trap group attributes. 760 * @name: Trap group name. 761 * @id: Trap group identifier. 762 * @generic: Whether the trap group is generic or not. 763 * @init_policer_id: Initial policer identifier. 764 * 765 * Describes immutable attributes of packet trap groups that drivers register 766 * with devlink. 767 */ 768 struct devlink_trap_group { 769 const char *name; 770 u16 id; 771 bool generic; 772 u32 init_policer_id; 773 }; 774 775 #define DEVLINK_TRAP_METADATA_TYPE_F_IN_PORT BIT(0) 776 #define DEVLINK_TRAP_METADATA_TYPE_F_FA_COOKIE BIT(1) 777 778 /** 779 * struct devlink_trap - Immutable packet trap attributes. 780 * @type: Trap type. 781 * @init_action: Initial trap action. 782 * @generic: Whether the trap is generic or not. 783 * @id: Trap identifier. 784 * @name: Trap name. 785 * @init_group_id: Initial group identifier. 786 * @metadata_cap: Metadata types that can be provided by the trap. 787 * 788 * Describes immutable attributes of packet traps that drivers register with 789 * devlink. 790 */ 791 struct devlink_trap { 792 enum devlink_trap_type type; 793 enum devlink_trap_action init_action; 794 bool generic; 795 u16 id; 796 const char *name; 797 u16 init_group_id; 798 u32 metadata_cap; 799 }; 800 801 /* All traps must be documented in 802 * Documentation/networking/devlink/devlink-trap.rst 803 */ 804 enum devlink_trap_generic_id { 805 DEVLINK_TRAP_GENERIC_ID_SMAC_MC, 806 DEVLINK_TRAP_GENERIC_ID_VLAN_TAG_MISMATCH, 807 DEVLINK_TRAP_GENERIC_ID_INGRESS_VLAN_FILTER, 808 DEVLINK_TRAP_GENERIC_ID_INGRESS_STP_FILTER, 809 DEVLINK_TRAP_GENERIC_ID_EMPTY_TX_LIST, 810 DEVLINK_TRAP_GENERIC_ID_PORT_LOOPBACK_FILTER, 811 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_ROUTE, 812 DEVLINK_TRAP_GENERIC_ID_TTL_ERROR, 813 DEVLINK_TRAP_GENERIC_ID_TAIL_DROP, 814 DEVLINK_TRAP_GENERIC_ID_NON_IP_PACKET, 815 DEVLINK_TRAP_GENERIC_ID_UC_DIP_MC_DMAC, 816 DEVLINK_TRAP_GENERIC_ID_DIP_LB, 817 DEVLINK_TRAP_GENERIC_ID_SIP_MC, 818 DEVLINK_TRAP_GENERIC_ID_SIP_LB, 819 DEVLINK_TRAP_GENERIC_ID_CORRUPTED_IP_HDR, 820 DEVLINK_TRAP_GENERIC_ID_IPV4_SIP_BC, 821 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_RESERVED_SCOPE, 822 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE, 823 DEVLINK_TRAP_GENERIC_ID_MTU_ERROR, 824 DEVLINK_TRAP_GENERIC_ID_UNRESOLVED_NEIGH, 825 DEVLINK_TRAP_GENERIC_ID_RPF, 826 DEVLINK_TRAP_GENERIC_ID_REJECT_ROUTE, 827 DEVLINK_TRAP_GENERIC_ID_IPV4_LPM_UNICAST_MISS, 828 DEVLINK_TRAP_GENERIC_ID_IPV6_LPM_UNICAST_MISS, 829 DEVLINK_TRAP_GENERIC_ID_NON_ROUTABLE, 830 DEVLINK_TRAP_GENERIC_ID_DECAP_ERROR, 831 DEVLINK_TRAP_GENERIC_ID_OVERLAY_SMAC_MC, 832 DEVLINK_TRAP_GENERIC_ID_INGRESS_FLOW_ACTION_DROP, 833 DEVLINK_TRAP_GENERIC_ID_EGRESS_FLOW_ACTION_DROP, 834 DEVLINK_TRAP_GENERIC_ID_STP, 835 DEVLINK_TRAP_GENERIC_ID_LACP, 836 DEVLINK_TRAP_GENERIC_ID_LLDP, 837 DEVLINK_TRAP_GENERIC_ID_IGMP_QUERY, 838 DEVLINK_TRAP_GENERIC_ID_IGMP_V1_REPORT, 839 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_REPORT, 840 DEVLINK_TRAP_GENERIC_ID_IGMP_V3_REPORT, 841 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_LEAVE, 842 DEVLINK_TRAP_GENERIC_ID_MLD_QUERY, 843 DEVLINK_TRAP_GENERIC_ID_MLD_V1_REPORT, 844 DEVLINK_TRAP_GENERIC_ID_MLD_V2_REPORT, 845 DEVLINK_TRAP_GENERIC_ID_MLD_V1_DONE, 846 DEVLINK_TRAP_GENERIC_ID_IPV4_DHCP, 847 DEVLINK_TRAP_GENERIC_ID_IPV6_DHCP, 848 DEVLINK_TRAP_GENERIC_ID_ARP_REQUEST, 849 DEVLINK_TRAP_GENERIC_ID_ARP_RESPONSE, 850 DEVLINK_TRAP_GENERIC_ID_ARP_OVERLAY, 851 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_SOLICIT, 852 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_ADVERT, 853 DEVLINK_TRAP_GENERIC_ID_IPV4_BFD, 854 DEVLINK_TRAP_GENERIC_ID_IPV6_BFD, 855 DEVLINK_TRAP_GENERIC_ID_IPV4_OSPF, 856 DEVLINK_TRAP_GENERIC_ID_IPV6_OSPF, 857 DEVLINK_TRAP_GENERIC_ID_IPV4_BGP, 858 DEVLINK_TRAP_GENERIC_ID_IPV6_BGP, 859 DEVLINK_TRAP_GENERIC_ID_IPV4_VRRP, 860 DEVLINK_TRAP_GENERIC_ID_IPV6_VRRP, 861 DEVLINK_TRAP_GENERIC_ID_IPV4_PIM, 862 DEVLINK_TRAP_GENERIC_ID_IPV6_PIM, 863 DEVLINK_TRAP_GENERIC_ID_UC_LB, 864 DEVLINK_TRAP_GENERIC_ID_LOCAL_ROUTE, 865 DEVLINK_TRAP_GENERIC_ID_EXTERNAL_ROUTE, 866 DEVLINK_TRAP_GENERIC_ID_IPV6_UC_DIP_LINK_LOCAL_SCOPE, 867 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_NODES, 868 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_ROUTERS, 869 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_SOLICIT, 870 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ADVERT, 871 DEVLINK_TRAP_GENERIC_ID_IPV6_REDIRECT, 872 DEVLINK_TRAP_GENERIC_ID_IPV4_ROUTER_ALERT, 873 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ALERT, 874 DEVLINK_TRAP_GENERIC_ID_PTP_EVENT, 875 DEVLINK_TRAP_GENERIC_ID_PTP_GENERAL, 876 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_SAMPLE, 877 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_TRAP, 878 DEVLINK_TRAP_GENERIC_ID_EARLY_DROP, 879 DEVLINK_TRAP_GENERIC_ID_VXLAN_PARSING, 880 DEVLINK_TRAP_GENERIC_ID_LLC_SNAP_PARSING, 881 DEVLINK_TRAP_GENERIC_ID_VLAN_PARSING, 882 DEVLINK_TRAP_GENERIC_ID_PPPOE_PPP_PARSING, 883 DEVLINK_TRAP_GENERIC_ID_MPLS_PARSING, 884 DEVLINK_TRAP_GENERIC_ID_ARP_PARSING, 885 DEVLINK_TRAP_GENERIC_ID_IP_1_PARSING, 886 DEVLINK_TRAP_GENERIC_ID_IP_N_PARSING, 887 DEVLINK_TRAP_GENERIC_ID_GRE_PARSING, 888 DEVLINK_TRAP_GENERIC_ID_UDP_PARSING, 889 DEVLINK_TRAP_GENERIC_ID_TCP_PARSING, 890 DEVLINK_TRAP_GENERIC_ID_IPSEC_PARSING, 891 DEVLINK_TRAP_GENERIC_ID_SCTP_PARSING, 892 DEVLINK_TRAP_GENERIC_ID_DCCP_PARSING, 893 DEVLINK_TRAP_GENERIC_ID_GTP_PARSING, 894 DEVLINK_TRAP_GENERIC_ID_ESP_PARSING, 895 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_NEXTHOP, 896 DEVLINK_TRAP_GENERIC_ID_DMAC_FILTER, 897 898 /* Add new generic trap IDs above */ 899 __DEVLINK_TRAP_GENERIC_ID_MAX, 900 DEVLINK_TRAP_GENERIC_ID_MAX = __DEVLINK_TRAP_GENERIC_ID_MAX - 1, 901 }; 902 903 /* All trap groups must be documented in 904 * Documentation/networking/devlink/devlink-trap.rst 905 */ 906 enum devlink_trap_group_generic_id { 907 DEVLINK_TRAP_GROUP_GENERIC_ID_L2_DROPS, 908 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_DROPS, 909 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_EXCEPTIONS, 910 DEVLINK_TRAP_GROUP_GENERIC_ID_BUFFER_DROPS, 911 DEVLINK_TRAP_GROUP_GENERIC_ID_TUNNEL_DROPS, 912 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_DROPS, 913 DEVLINK_TRAP_GROUP_GENERIC_ID_STP, 914 DEVLINK_TRAP_GROUP_GENERIC_ID_LACP, 915 DEVLINK_TRAP_GROUP_GENERIC_ID_LLDP, 916 DEVLINK_TRAP_GROUP_GENERIC_ID_MC_SNOOPING, 917 DEVLINK_TRAP_GROUP_GENERIC_ID_DHCP, 918 DEVLINK_TRAP_GROUP_GENERIC_ID_NEIGH_DISCOVERY, 919 DEVLINK_TRAP_GROUP_GENERIC_ID_BFD, 920 DEVLINK_TRAP_GROUP_GENERIC_ID_OSPF, 921 DEVLINK_TRAP_GROUP_GENERIC_ID_BGP, 922 DEVLINK_TRAP_GROUP_GENERIC_ID_VRRP, 923 DEVLINK_TRAP_GROUP_GENERIC_ID_PIM, 924 DEVLINK_TRAP_GROUP_GENERIC_ID_UC_LB, 925 DEVLINK_TRAP_GROUP_GENERIC_ID_LOCAL_DELIVERY, 926 DEVLINK_TRAP_GROUP_GENERIC_ID_EXTERNAL_DELIVERY, 927 DEVLINK_TRAP_GROUP_GENERIC_ID_IPV6, 928 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_EVENT, 929 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_GENERAL, 930 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_SAMPLE, 931 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_TRAP, 932 DEVLINK_TRAP_GROUP_GENERIC_ID_PARSER_ERROR_DROPS, 933 934 /* Add new generic trap group IDs above */ 935 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX, 936 DEVLINK_TRAP_GROUP_GENERIC_ID_MAX = 937 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX - 1, 938 }; 939 940 #define DEVLINK_TRAP_GENERIC_NAME_SMAC_MC \ 941 "source_mac_is_multicast" 942 #define DEVLINK_TRAP_GENERIC_NAME_VLAN_TAG_MISMATCH \ 943 "vlan_tag_mismatch" 944 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_VLAN_FILTER \ 945 "ingress_vlan_filter" 946 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_STP_FILTER \ 947 "ingress_spanning_tree_filter" 948 #define DEVLINK_TRAP_GENERIC_NAME_EMPTY_TX_LIST \ 949 "port_list_is_empty" 950 #define DEVLINK_TRAP_GENERIC_NAME_PORT_LOOPBACK_FILTER \ 951 "port_loopback_filter" 952 #define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_ROUTE \ 953 "blackhole_route" 954 #define DEVLINK_TRAP_GENERIC_NAME_TTL_ERROR \ 955 "ttl_value_is_too_small" 956 #define DEVLINK_TRAP_GENERIC_NAME_TAIL_DROP \ 957 "tail_drop" 958 #define DEVLINK_TRAP_GENERIC_NAME_NON_IP_PACKET \ 959 "non_ip" 960 #define DEVLINK_TRAP_GENERIC_NAME_UC_DIP_MC_DMAC \ 961 "uc_dip_over_mc_dmac" 962 #define DEVLINK_TRAP_GENERIC_NAME_DIP_LB \ 963 "dip_is_loopback_address" 964 #define DEVLINK_TRAP_GENERIC_NAME_SIP_MC \ 965 "sip_is_mc" 966 #define DEVLINK_TRAP_GENERIC_NAME_SIP_LB \ 967 "sip_is_loopback_address" 968 #define DEVLINK_TRAP_GENERIC_NAME_CORRUPTED_IP_HDR \ 969 "ip_header_corrupted" 970 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_SIP_BC \ 971 "ipv4_sip_is_limited_bc" 972 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_RESERVED_SCOPE \ 973 "ipv6_mc_dip_reserved_scope" 974 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE \ 975 "ipv6_mc_dip_interface_local_scope" 976 #define DEVLINK_TRAP_GENERIC_NAME_MTU_ERROR \ 977 "mtu_value_is_too_small" 978 #define DEVLINK_TRAP_GENERIC_NAME_UNRESOLVED_NEIGH \ 979 "unresolved_neigh" 980 #define DEVLINK_TRAP_GENERIC_NAME_RPF \ 981 "mc_reverse_path_forwarding" 982 #define DEVLINK_TRAP_GENERIC_NAME_REJECT_ROUTE \ 983 "reject_route" 984 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_LPM_UNICAST_MISS \ 985 "ipv4_lpm_miss" 986 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_LPM_UNICAST_MISS \ 987 "ipv6_lpm_miss" 988 #define DEVLINK_TRAP_GENERIC_NAME_NON_ROUTABLE \ 989 "non_routable_packet" 990 #define DEVLINK_TRAP_GENERIC_NAME_DECAP_ERROR \ 991 "decap_error" 992 #define DEVLINK_TRAP_GENERIC_NAME_OVERLAY_SMAC_MC \ 993 "overlay_smac_is_mc" 994 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_FLOW_ACTION_DROP \ 995 "ingress_flow_action_drop" 996 #define DEVLINK_TRAP_GENERIC_NAME_EGRESS_FLOW_ACTION_DROP \ 997 "egress_flow_action_drop" 998 #define DEVLINK_TRAP_GENERIC_NAME_STP \ 999 "stp" 1000 #define DEVLINK_TRAP_GENERIC_NAME_LACP \ 1001 "lacp" 1002 #define DEVLINK_TRAP_GENERIC_NAME_LLDP \ 1003 "lldp" 1004 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_QUERY \ 1005 "igmp_query" 1006 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V1_REPORT \ 1007 "igmp_v1_report" 1008 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_REPORT \ 1009 "igmp_v2_report" 1010 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V3_REPORT \ 1011 "igmp_v3_report" 1012 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_LEAVE \ 1013 "igmp_v2_leave" 1014 #define DEVLINK_TRAP_GENERIC_NAME_MLD_QUERY \ 1015 "mld_query" 1016 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_REPORT \ 1017 "mld_v1_report" 1018 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V2_REPORT \ 1019 "mld_v2_report" 1020 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_DONE \ 1021 "mld_v1_done" 1022 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_DHCP \ 1023 "ipv4_dhcp" 1024 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DHCP \ 1025 "ipv6_dhcp" 1026 #define DEVLINK_TRAP_GENERIC_NAME_ARP_REQUEST \ 1027 "arp_request" 1028 #define DEVLINK_TRAP_GENERIC_NAME_ARP_RESPONSE \ 1029 "arp_response" 1030 #define DEVLINK_TRAP_GENERIC_NAME_ARP_OVERLAY \ 1031 "arp_overlay" 1032 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_SOLICIT \ 1033 "ipv6_neigh_solicit" 1034 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_ADVERT \ 1035 "ipv6_neigh_advert" 1036 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_BFD \ 1037 "ipv4_bfd" 1038 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_BFD \ 1039 "ipv6_bfd" 1040 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_OSPF \ 1041 "ipv4_ospf" 1042 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_OSPF \ 1043 "ipv6_ospf" 1044 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_BGP \ 1045 "ipv4_bgp" 1046 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_BGP \ 1047 "ipv6_bgp" 1048 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_VRRP \ 1049 "ipv4_vrrp" 1050 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_VRRP \ 1051 "ipv6_vrrp" 1052 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_PIM \ 1053 "ipv4_pim" 1054 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_PIM \ 1055 "ipv6_pim" 1056 #define DEVLINK_TRAP_GENERIC_NAME_UC_LB \ 1057 "uc_loopback" 1058 #define DEVLINK_TRAP_GENERIC_NAME_LOCAL_ROUTE \ 1059 "local_route" 1060 #define DEVLINK_TRAP_GENERIC_NAME_EXTERNAL_ROUTE \ 1061 "external_route" 1062 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_UC_DIP_LINK_LOCAL_SCOPE \ 1063 "ipv6_uc_dip_link_local_scope" 1064 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_NODES \ 1065 "ipv6_dip_all_nodes" 1066 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_ROUTERS \ 1067 "ipv6_dip_all_routers" 1068 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_SOLICIT \ 1069 "ipv6_router_solicit" 1070 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ADVERT \ 1071 "ipv6_router_advert" 1072 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_REDIRECT \ 1073 "ipv6_redirect" 1074 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_ROUTER_ALERT \ 1075 "ipv4_router_alert" 1076 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ALERT \ 1077 "ipv6_router_alert" 1078 #define DEVLINK_TRAP_GENERIC_NAME_PTP_EVENT \ 1079 "ptp_event" 1080 #define DEVLINK_TRAP_GENERIC_NAME_PTP_GENERAL \ 1081 "ptp_general" 1082 #define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_SAMPLE \ 1083 "flow_action_sample" 1084 #define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_TRAP \ 1085 "flow_action_trap" 1086 #define DEVLINK_TRAP_GENERIC_NAME_EARLY_DROP \ 1087 "early_drop" 1088 #define DEVLINK_TRAP_GENERIC_NAME_VXLAN_PARSING \ 1089 "vxlan_parsing" 1090 #define DEVLINK_TRAP_GENERIC_NAME_LLC_SNAP_PARSING \ 1091 "llc_snap_parsing" 1092 #define DEVLINK_TRAP_GENERIC_NAME_VLAN_PARSING \ 1093 "vlan_parsing" 1094 #define DEVLINK_TRAP_GENERIC_NAME_PPPOE_PPP_PARSING \ 1095 "pppoe_ppp_parsing" 1096 #define DEVLINK_TRAP_GENERIC_NAME_MPLS_PARSING \ 1097 "mpls_parsing" 1098 #define DEVLINK_TRAP_GENERIC_NAME_ARP_PARSING \ 1099 "arp_parsing" 1100 #define DEVLINK_TRAP_GENERIC_NAME_IP_1_PARSING \ 1101 "ip_1_parsing" 1102 #define DEVLINK_TRAP_GENERIC_NAME_IP_N_PARSING \ 1103 "ip_n_parsing" 1104 #define DEVLINK_TRAP_GENERIC_NAME_GRE_PARSING \ 1105 "gre_parsing" 1106 #define DEVLINK_TRAP_GENERIC_NAME_UDP_PARSING \ 1107 "udp_parsing" 1108 #define DEVLINK_TRAP_GENERIC_NAME_TCP_PARSING \ 1109 "tcp_parsing" 1110 #define DEVLINK_TRAP_GENERIC_NAME_IPSEC_PARSING \ 1111 "ipsec_parsing" 1112 #define DEVLINK_TRAP_GENERIC_NAME_SCTP_PARSING \ 1113 "sctp_parsing" 1114 #define DEVLINK_TRAP_GENERIC_NAME_DCCP_PARSING \ 1115 "dccp_parsing" 1116 #define DEVLINK_TRAP_GENERIC_NAME_GTP_PARSING \ 1117 "gtp_parsing" 1118 #define DEVLINK_TRAP_GENERIC_NAME_ESP_PARSING \ 1119 "esp_parsing" 1120 #define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_NEXTHOP \ 1121 "blackhole_nexthop" 1122 #define DEVLINK_TRAP_GENERIC_NAME_DMAC_FILTER \ 1123 "dmac_filter" 1124 1125 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L2_DROPS \ 1126 "l2_drops" 1127 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_DROPS \ 1128 "l3_drops" 1129 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_EXCEPTIONS \ 1130 "l3_exceptions" 1131 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BUFFER_DROPS \ 1132 "buffer_drops" 1133 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_TUNNEL_DROPS \ 1134 "tunnel_drops" 1135 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_DROPS \ 1136 "acl_drops" 1137 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_STP \ 1138 "stp" 1139 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LACP \ 1140 "lacp" 1141 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LLDP \ 1142 "lldp" 1143 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_MC_SNOOPING \ 1144 "mc_snooping" 1145 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_DHCP \ 1146 "dhcp" 1147 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_NEIGH_DISCOVERY \ 1148 "neigh_discovery" 1149 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BFD \ 1150 "bfd" 1151 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_OSPF \ 1152 "ospf" 1153 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BGP \ 1154 "bgp" 1155 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_VRRP \ 1156 "vrrp" 1157 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PIM \ 1158 "pim" 1159 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_UC_LB \ 1160 "uc_loopback" 1161 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LOCAL_DELIVERY \ 1162 "local_delivery" 1163 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_EXTERNAL_DELIVERY \ 1164 "external_delivery" 1165 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_IPV6 \ 1166 "ipv6" 1167 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_EVENT \ 1168 "ptp_event" 1169 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_GENERAL \ 1170 "ptp_general" 1171 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_SAMPLE \ 1172 "acl_sample" 1173 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_TRAP \ 1174 "acl_trap" 1175 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PARSER_ERROR_DROPS \ 1176 "parser_error_drops" 1177 1178 #define DEVLINK_TRAP_GENERIC(_type, _init_action, _id, _group_id, \ 1179 _metadata_cap) \ 1180 { \ 1181 .type = DEVLINK_TRAP_TYPE_##_type, \ 1182 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \ 1183 .generic = true, \ 1184 .id = DEVLINK_TRAP_GENERIC_ID_##_id, \ 1185 .name = DEVLINK_TRAP_GENERIC_NAME_##_id, \ 1186 .init_group_id = _group_id, \ 1187 .metadata_cap = _metadata_cap, \ 1188 } 1189 1190 #define DEVLINK_TRAP_DRIVER(_type, _init_action, _id, _name, _group_id, \ 1191 _metadata_cap) \ 1192 { \ 1193 .type = DEVLINK_TRAP_TYPE_##_type, \ 1194 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \ 1195 .generic = false, \ 1196 .id = _id, \ 1197 .name = _name, \ 1198 .init_group_id = _group_id, \ 1199 .metadata_cap = _metadata_cap, \ 1200 } 1201 1202 #define DEVLINK_TRAP_GROUP_GENERIC(_id, _policer_id) \ 1203 { \ 1204 .name = DEVLINK_TRAP_GROUP_GENERIC_NAME_##_id, \ 1205 .id = DEVLINK_TRAP_GROUP_GENERIC_ID_##_id, \ 1206 .generic = true, \ 1207 .init_policer_id = _policer_id, \ 1208 } 1209 1210 #define DEVLINK_TRAP_POLICER(_id, _rate, _burst, _max_rate, _min_rate, \ 1211 _max_burst, _min_burst) \ 1212 { \ 1213 .id = _id, \ 1214 .init_rate = _rate, \ 1215 .init_burst = _burst, \ 1216 .max_rate = _max_rate, \ 1217 .min_rate = _min_rate, \ 1218 .max_burst = _max_burst, \ 1219 .min_burst = _min_burst, \ 1220 } 1221 1222 enum { 1223 /* device supports reload operations */ 1224 DEVLINK_F_RELOAD = 1UL << 0, 1225 }; 1226 1227 struct devlink_ops { 1228 /** 1229 * @supported_flash_update_params: 1230 * mask of parameters supported by the driver's .flash_update 1231 * implemementation. 1232 */ 1233 u32 supported_flash_update_params; 1234 unsigned long reload_actions; 1235 unsigned long reload_limits; 1236 int (*reload_down)(struct devlink *devlink, bool netns_change, 1237 enum devlink_reload_action action, 1238 enum devlink_reload_limit limit, 1239 struct netlink_ext_ack *extack); 1240 int (*reload_up)(struct devlink *devlink, enum devlink_reload_action action, 1241 enum devlink_reload_limit limit, u32 *actions_performed, 1242 struct netlink_ext_ack *extack); 1243 int (*port_type_set)(struct devlink_port *devlink_port, 1244 enum devlink_port_type port_type); 1245 int (*port_split)(struct devlink *devlink, struct devlink_port *port, 1246 unsigned int count, struct netlink_ext_ack *extack); 1247 int (*port_unsplit)(struct devlink *devlink, struct devlink_port *port, 1248 struct netlink_ext_ack *extack); 1249 int (*sb_pool_get)(struct devlink *devlink, unsigned int sb_index, 1250 u16 pool_index, 1251 struct devlink_sb_pool_info *pool_info); 1252 int (*sb_pool_set)(struct devlink *devlink, unsigned int sb_index, 1253 u16 pool_index, u32 size, 1254 enum devlink_sb_threshold_type threshold_type, 1255 struct netlink_ext_ack *extack); 1256 int (*sb_port_pool_get)(struct devlink_port *devlink_port, 1257 unsigned int sb_index, u16 pool_index, 1258 u32 *p_threshold); 1259 int (*sb_port_pool_set)(struct devlink_port *devlink_port, 1260 unsigned int sb_index, u16 pool_index, 1261 u32 threshold, struct netlink_ext_ack *extack); 1262 int (*sb_tc_pool_bind_get)(struct devlink_port *devlink_port, 1263 unsigned int sb_index, 1264 u16 tc_index, 1265 enum devlink_sb_pool_type pool_type, 1266 u16 *p_pool_index, u32 *p_threshold); 1267 int (*sb_tc_pool_bind_set)(struct devlink_port *devlink_port, 1268 unsigned int sb_index, 1269 u16 tc_index, 1270 enum devlink_sb_pool_type pool_type, 1271 u16 pool_index, u32 threshold, 1272 struct netlink_ext_ack *extack); 1273 int (*sb_occ_snapshot)(struct devlink *devlink, 1274 unsigned int sb_index); 1275 int (*sb_occ_max_clear)(struct devlink *devlink, 1276 unsigned int sb_index); 1277 int (*sb_occ_port_pool_get)(struct devlink_port *devlink_port, 1278 unsigned int sb_index, u16 pool_index, 1279 u32 *p_cur, u32 *p_max); 1280 int (*sb_occ_tc_port_bind_get)(struct devlink_port *devlink_port, 1281 unsigned int sb_index, 1282 u16 tc_index, 1283 enum devlink_sb_pool_type pool_type, 1284 u32 *p_cur, u32 *p_max); 1285 1286 int (*eswitch_mode_get)(struct devlink *devlink, u16 *p_mode); 1287 int (*eswitch_mode_set)(struct devlink *devlink, u16 mode, 1288 struct netlink_ext_ack *extack); 1289 int (*eswitch_inline_mode_get)(struct devlink *devlink, u8 *p_inline_mode); 1290 int (*eswitch_inline_mode_set)(struct devlink *devlink, u8 inline_mode, 1291 struct netlink_ext_ack *extack); 1292 int (*eswitch_encap_mode_get)(struct devlink *devlink, 1293 enum devlink_eswitch_encap_mode *p_encap_mode); 1294 int (*eswitch_encap_mode_set)(struct devlink *devlink, 1295 enum devlink_eswitch_encap_mode encap_mode, 1296 struct netlink_ext_ack *extack); 1297 int (*info_get)(struct devlink *devlink, struct devlink_info_req *req, 1298 struct netlink_ext_ack *extack); 1299 /** 1300 * @flash_update: Device flash update function 1301 * 1302 * Used to perform a flash update for the device. The set of 1303 * parameters supported by the driver should be set in 1304 * supported_flash_update_params. 1305 */ 1306 int (*flash_update)(struct devlink *devlink, 1307 struct devlink_flash_update_params *params, 1308 struct netlink_ext_ack *extack); 1309 /** 1310 * @trap_init: Trap initialization function. 1311 * 1312 * Should be used by device drivers to initialize the trap in the 1313 * underlying device. Drivers should also store the provided trap 1314 * context, so that they could efficiently pass it to 1315 * devlink_trap_report() when the trap is triggered. 1316 */ 1317 int (*trap_init)(struct devlink *devlink, 1318 const struct devlink_trap *trap, void *trap_ctx); 1319 /** 1320 * @trap_fini: Trap de-initialization function. 1321 * 1322 * Should be used by device drivers to de-initialize the trap in the 1323 * underlying device. 1324 */ 1325 void (*trap_fini)(struct devlink *devlink, 1326 const struct devlink_trap *trap, void *trap_ctx); 1327 /** 1328 * @trap_action_set: Trap action set function. 1329 */ 1330 int (*trap_action_set)(struct devlink *devlink, 1331 const struct devlink_trap *trap, 1332 enum devlink_trap_action action, 1333 struct netlink_ext_ack *extack); 1334 /** 1335 * @trap_group_init: Trap group initialization function. 1336 * 1337 * Should be used by device drivers to initialize the trap group in the 1338 * underlying device. 1339 */ 1340 int (*trap_group_init)(struct devlink *devlink, 1341 const struct devlink_trap_group *group); 1342 /** 1343 * @trap_group_set: Trap group parameters set function. 1344 * 1345 * Note: @policer can be NULL when a policer is being unbound from 1346 * @group. 1347 */ 1348 int (*trap_group_set)(struct devlink *devlink, 1349 const struct devlink_trap_group *group, 1350 const struct devlink_trap_policer *policer, 1351 struct netlink_ext_ack *extack); 1352 /** 1353 * @trap_group_action_set: Trap group action set function. 1354 * 1355 * If this callback is populated, it will take precedence over looping 1356 * over all traps in a group and calling .trap_action_set(). 1357 */ 1358 int (*trap_group_action_set)(struct devlink *devlink, 1359 const struct devlink_trap_group *group, 1360 enum devlink_trap_action action, 1361 struct netlink_ext_ack *extack); 1362 /** 1363 * @trap_drop_counter_get: Trap drop counter get function. 1364 * 1365 * Should be used by device drivers to report number of packets 1366 * that have been dropped, and cannot be passed to the devlink 1367 * subsystem by the underlying device. 1368 */ 1369 int (*trap_drop_counter_get)(struct devlink *devlink, 1370 const struct devlink_trap *trap, 1371 u64 *p_drops); 1372 /** 1373 * @trap_policer_init: Trap policer initialization function. 1374 * 1375 * Should be used by device drivers to initialize the trap policer in 1376 * the underlying device. 1377 */ 1378 int (*trap_policer_init)(struct devlink *devlink, 1379 const struct devlink_trap_policer *policer); 1380 /** 1381 * @trap_policer_fini: Trap policer de-initialization function. 1382 * 1383 * Should be used by device drivers to de-initialize the trap policer 1384 * in the underlying device. 1385 */ 1386 void (*trap_policer_fini)(struct devlink *devlink, 1387 const struct devlink_trap_policer *policer); 1388 /** 1389 * @trap_policer_set: Trap policer parameters set function. 1390 */ 1391 int (*trap_policer_set)(struct devlink *devlink, 1392 const struct devlink_trap_policer *policer, 1393 u64 rate, u64 burst, 1394 struct netlink_ext_ack *extack); 1395 /** 1396 * @trap_policer_counter_get: Trap policer counter get function. 1397 * 1398 * Should be used by device drivers to report number of packets dropped 1399 * by the policer. 1400 */ 1401 int (*trap_policer_counter_get)(struct devlink *devlink, 1402 const struct devlink_trap_policer *policer, 1403 u64 *p_drops); 1404 /** 1405 * @port_function_hw_addr_get: Port function's hardware address get function. 1406 * 1407 * Should be used by device drivers to report the hardware address of a function managed 1408 * by the devlink port. Driver should return -EOPNOTSUPP if it doesn't support port 1409 * function handling for a particular port. 1410 * 1411 * Note: @extack can be NULL when port notifier queries the port function. 1412 */ 1413 int (*port_function_hw_addr_get)(struct devlink_port *port, u8 *hw_addr, 1414 int *hw_addr_len, 1415 struct netlink_ext_ack *extack); 1416 /** 1417 * @port_function_hw_addr_set: Port function's hardware address set function. 1418 * 1419 * Should be used by device drivers to set the hardware address of a function managed 1420 * by the devlink port. Driver should return -EOPNOTSUPP if it doesn't support port 1421 * function handling for a particular port. 1422 */ 1423 int (*port_function_hw_addr_set)(struct devlink_port *port, 1424 const u8 *hw_addr, int hw_addr_len, 1425 struct netlink_ext_ack *extack); 1426 /** 1427 * port_new() - Add a new port function of a specified flavor 1428 * @devlink: Devlink instance 1429 * @attrs: attributes of the new port 1430 * @extack: extack for reporting error messages 1431 * @new_port_index: index of the new port 1432 * 1433 * Devlink core will call this device driver function upon user request 1434 * to create a new port function of a specified flavor and optional 1435 * attributes 1436 * 1437 * Notes: 1438 * - Called without devlink instance lock being held. Drivers must 1439 * implement own means of synchronization 1440 * - On success, drivers must register a port with devlink core 1441 * 1442 * Return: 0 on success, negative value otherwise. 1443 */ 1444 int (*port_new)(struct devlink *devlink, 1445 const struct devlink_port_new_attrs *attrs, 1446 struct netlink_ext_ack *extack, 1447 unsigned int *new_port_index); 1448 /** 1449 * port_del() - Delete a port function 1450 * @devlink: Devlink instance 1451 * @port_index: port function index to delete 1452 * @extack: extack for reporting error messages 1453 * 1454 * Devlink core will call this device driver function upon user request 1455 * to delete a previously created port function 1456 * 1457 * Notes: 1458 * - Called without devlink instance lock being held. Drivers must 1459 * implement own means of synchronization 1460 * - On success, drivers must unregister the corresponding devlink 1461 * port 1462 * 1463 * Return: 0 on success, negative value otherwise. 1464 */ 1465 int (*port_del)(struct devlink *devlink, unsigned int port_index, 1466 struct netlink_ext_ack *extack); 1467 /** 1468 * port_fn_state_get() - Get the state of a port function 1469 * @devlink: Devlink instance 1470 * @port: The devlink port 1471 * @state: Admin configured state 1472 * @opstate: Current operational state 1473 * @extack: extack for reporting error messages 1474 * 1475 * Reports the admin and operational state of a devlink port function 1476 * 1477 * Return: 0 on success, negative value otherwise. 1478 */ 1479 int (*port_fn_state_get)(struct devlink_port *port, 1480 enum devlink_port_fn_state *state, 1481 enum devlink_port_fn_opstate *opstate, 1482 struct netlink_ext_ack *extack); 1483 /** 1484 * port_fn_state_set() - Set the admin state of a port function 1485 * @devlink: Devlink instance 1486 * @port: The devlink port 1487 * @state: Admin state 1488 * @extack: extack for reporting error messages 1489 * 1490 * Set the admin state of a devlink port function 1491 * 1492 * Return: 0 on success, negative value otherwise. 1493 */ 1494 int (*port_fn_state_set)(struct devlink_port *port, 1495 enum devlink_port_fn_state state, 1496 struct netlink_ext_ack *extack); 1497 1498 /** 1499 * Rate control callbacks. 1500 */ 1501 int (*rate_leaf_tx_share_set)(struct devlink_rate *devlink_rate, void *priv, 1502 u64 tx_share, struct netlink_ext_ack *extack); 1503 int (*rate_leaf_tx_max_set)(struct devlink_rate *devlink_rate, void *priv, 1504 u64 tx_max, struct netlink_ext_ack *extack); 1505 int (*rate_node_tx_share_set)(struct devlink_rate *devlink_rate, void *priv, 1506 u64 tx_share, struct netlink_ext_ack *extack); 1507 int (*rate_node_tx_max_set)(struct devlink_rate *devlink_rate, void *priv, 1508 u64 tx_max, struct netlink_ext_ack *extack); 1509 int (*rate_node_new)(struct devlink_rate *rate_node, void **priv, 1510 struct netlink_ext_ack *extack); 1511 int (*rate_node_del)(struct devlink_rate *rate_node, void *priv, 1512 struct netlink_ext_ack *extack); 1513 int (*rate_leaf_parent_set)(struct devlink_rate *child, 1514 struct devlink_rate *parent, 1515 void *priv_child, void *priv_parent, 1516 struct netlink_ext_ack *extack); 1517 int (*rate_node_parent_set)(struct devlink_rate *child, 1518 struct devlink_rate *parent, 1519 void *priv_child, void *priv_parent, 1520 struct netlink_ext_ack *extack); 1521 /** 1522 * selftests_check() - queries if selftest is supported 1523 * @devlink: devlink instance 1524 * @id: test index 1525 * @extack: extack for reporting error messages 1526 * 1527 * Return: true if test is supported by the driver 1528 */ 1529 bool (*selftest_check)(struct devlink *devlink, unsigned int id, 1530 struct netlink_ext_ack *extack); 1531 /** 1532 * selftest_run() - Runs a selftest 1533 * @devlink: devlink instance 1534 * @id: test index 1535 * @extack: extack for reporting error messages 1536 * 1537 * Return: status of the test 1538 */ 1539 enum devlink_selftest_status 1540 (*selftest_run)(struct devlink *devlink, unsigned int id, 1541 struct netlink_ext_ack *extack); 1542 }; 1543 1544 void *devlink_priv(struct devlink *devlink); 1545 struct devlink *priv_to_devlink(void *priv); 1546 struct device *devlink_to_dev(const struct devlink *devlink); 1547 1548 /* Devlink instance explicit locking */ 1549 void devl_lock(struct devlink *devlink); 1550 int devl_trylock(struct devlink *devlink); 1551 void devl_unlock(struct devlink *devlink); 1552 void devl_assert_locked(struct devlink *devlink); 1553 bool devl_lock_is_held(struct devlink *devlink); 1554 1555 struct ib_device; 1556 1557 struct net *devlink_net(const struct devlink *devlink); 1558 /* This call is intended for software devices that can create 1559 * devlink instances in other namespaces than init_net. 1560 * 1561 * Drivers that operate on real HW must use devlink_alloc() instead. 1562 */ 1563 struct devlink *devlink_alloc_ns(const struct devlink_ops *ops, 1564 size_t priv_size, struct net *net, 1565 struct device *dev); 1566 static inline struct devlink *devlink_alloc(const struct devlink_ops *ops, 1567 size_t priv_size, 1568 struct device *dev) 1569 { 1570 return devlink_alloc_ns(ops, priv_size, &init_net, dev); 1571 } 1572 void devlink_set_features(struct devlink *devlink, u64 features); 1573 void devlink_register(struct devlink *devlink); 1574 void devlink_unregister(struct devlink *devlink); 1575 void devlink_free(struct devlink *devlink); 1576 void devlink_port_init(struct devlink *devlink, 1577 struct devlink_port *devlink_port); 1578 void devlink_port_fini(struct devlink_port *devlink_port); 1579 int devl_port_register(struct devlink *devlink, 1580 struct devlink_port *devlink_port, 1581 unsigned int port_index); 1582 int devlink_port_register(struct devlink *devlink, 1583 struct devlink_port *devlink_port, 1584 unsigned int port_index); 1585 void devl_port_unregister(struct devlink_port *devlink_port); 1586 void devlink_port_unregister(struct devlink_port *devlink_port); 1587 void devlink_port_type_eth_set(struct devlink_port *devlink_port); 1588 void devlink_port_type_ib_set(struct devlink_port *devlink_port, 1589 struct ib_device *ibdev); 1590 void devlink_port_type_clear(struct devlink_port *devlink_port); 1591 void devlink_port_attrs_set(struct devlink_port *devlink_port, 1592 struct devlink_port_attrs *devlink_port_attrs); 1593 void devlink_port_attrs_pci_pf_set(struct devlink_port *devlink_port, u32 controller, 1594 u16 pf, bool external); 1595 void devlink_port_attrs_pci_vf_set(struct devlink_port *devlink_port, u32 controller, 1596 u16 pf, u16 vf, bool external); 1597 void devlink_port_attrs_pci_sf_set(struct devlink_port *devlink_port, 1598 u32 controller, u16 pf, u32 sf, 1599 bool external); 1600 int devl_rate_leaf_create(struct devlink_port *port, void *priv); 1601 void devl_rate_leaf_destroy(struct devlink_port *devlink_port); 1602 void devl_rate_nodes_destroy(struct devlink *devlink); 1603 void devlink_port_linecard_set(struct devlink_port *devlink_port, 1604 struct devlink_linecard *linecard); 1605 struct devlink_linecard * 1606 devlink_linecard_create(struct devlink *devlink, unsigned int linecard_index, 1607 const struct devlink_linecard_ops *ops, void *priv); 1608 void devlink_linecard_destroy(struct devlink_linecard *linecard); 1609 void devlink_linecard_provision_set(struct devlink_linecard *linecard, 1610 const char *type); 1611 void devlink_linecard_provision_clear(struct devlink_linecard *linecard); 1612 void devlink_linecard_provision_fail(struct devlink_linecard *linecard); 1613 void devlink_linecard_activate(struct devlink_linecard *linecard); 1614 void devlink_linecard_deactivate(struct devlink_linecard *linecard); 1615 void devlink_linecard_nested_dl_set(struct devlink_linecard *linecard, 1616 struct devlink *nested_devlink); 1617 int devl_sb_register(struct devlink *devlink, unsigned int sb_index, 1618 u32 size, u16 ingress_pools_count, 1619 u16 egress_pools_count, u16 ingress_tc_count, 1620 u16 egress_tc_count); 1621 int devlink_sb_register(struct devlink *devlink, unsigned int sb_index, 1622 u32 size, u16 ingress_pools_count, 1623 u16 egress_pools_count, u16 ingress_tc_count, 1624 u16 egress_tc_count); 1625 void devl_sb_unregister(struct devlink *devlink, unsigned int sb_index); 1626 void devlink_sb_unregister(struct devlink *devlink, unsigned int sb_index); 1627 int devl_dpipe_table_register(struct devlink *devlink, 1628 const char *table_name, 1629 struct devlink_dpipe_table_ops *table_ops, 1630 void *priv, bool counter_control_extern); 1631 void devl_dpipe_table_unregister(struct devlink *devlink, 1632 const char *table_name); 1633 void devl_dpipe_headers_register(struct devlink *devlink, 1634 struct devlink_dpipe_headers *dpipe_headers); 1635 void devl_dpipe_headers_unregister(struct devlink *devlink); 1636 bool devlink_dpipe_table_counter_enabled(struct devlink *devlink, 1637 const char *table_name); 1638 int devlink_dpipe_entry_ctx_prepare(struct devlink_dpipe_dump_ctx *dump_ctx); 1639 int devlink_dpipe_entry_ctx_append(struct devlink_dpipe_dump_ctx *dump_ctx, 1640 struct devlink_dpipe_entry *entry); 1641 int devlink_dpipe_entry_ctx_close(struct devlink_dpipe_dump_ctx *dump_ctx); 1642 void devlink_dpipe_entry_clear(struct devlink_dpipe_entry *entry); 1643 int devlink_dpipe_action_put(struct sk_buff *skb, 1644 struct devlink_dpipe_action *action); 1645 int devlink_dpipe_match_put(struct sk_buff *skb, 1646 struct devlink_dpipe_match *match); 1647 extern struct devlink_dpipe_header devlink_dpipe_header_ethernet; 1648 extern struct devlink_dpipe_header devlink_dpipe_header_ipv4; 1649 extern struct devlink_dpipe_header devlink_dpipe_header_ipv6; 1650 1651 int devl_resource_register(struct devlink *devlink, 1652 const char *resource_name, 1653 u64 resource_size, 1654 u64 resource_id, 1655 u64 parent_resource_id, 1656 const struct devlink_resource_size_params *size_params); 1657 int devlink_resource_register(struct devlink *devlink, 1658 const char *resource_name, 1659 u64 resource_size, 1660 u64 resource_id, 1661 u64 parent_resource_id, 1662 const struct devlink_resource_size_params *size_params); 1663 void devl_resources_unregister(struct devlink *devlink); 1664 void devlink_resources_unregister(struct devlink *devlink); 1665 int devl_resource_size_get(struct devlink *devlink, 1666 u64 resource_id, 1667 u64 *p_resource_size); 1668 int devl_dpipe_table_resource_set(struct devlink *devlink, 1669 const char *table_name, u64 resource_id, 1670 u64 resource_units); 1671 int devlink_dpipe_table_resource_set(struct devlink *devlink, 1672 const char *table_name, u64 resource_id, 1673 u64 resource_units); 1674 void devl_resource_occ_get_register(struct devlink *devlink, 1675 u64 resource_id, 1676 devlink_resource_occ_get_t *occ_get, 1677 void *occ_get_priv); 1678 void devlink_resource_occ_get_register(struct devlink *devlink, 1679 u64 resource_id, 1680 devlink_resource_occ_get_t *occ_get, 1681 void *occ_get_priv); 1682 void devl_resource_occ_get_unregister(struct devlink *devlink, 1683 u64 resource_id); 1684 1685 void devlink_resource_occ_get_unregister(struct devlink *devlink, 1686 u64 resource_id); 1687 int devlink_params_register(struct devlink *devlink, 1688 const struct devlink_param *params, 1689 size_t params_count); 1690 void devlink_params_unregister(struct devlink *devlink, 1691 const struct devlink_param *params, 1692 size_t params_count); 1693 int devlink_param_register(struct devlink *devlink, 1694 const struct devlink_param *param); 1695 void devlink_param_unregister(struct devlink *devlink, 1696 const struct devlink_param *param); 1697 int devlink_param_driverinit_value_get(struct devlink *devlink, u32 param_id, 1698 union devlink_param_value *init_val); 1699 int devlink_param_driverinit_value_set(struct devlink *devlink, u32 param_id, 1700 union devlink_param_value init_val); 1701 void devlink_param_value_changed(struct devlink *devlink, u32 param_id); 1702 struct devlink_region *devl_region_create(struct devlink *devlink, 1703 const struct devlink_region_ops *ops, 1704 u32 region_max_snapshots, 1705 u64 region_size); 1706 struct devlink_region * 1707 devlink_region_create(struct devlink *devlink, 1708 const struct devlink_region_ops *ops, 1709 u32 region_max_snapshots, u64 region_size); 1710 struct devlink_region * 1711 devlink_port_region_create(struct devlink_port *port, 1712 const struct devlink_port_region_ops *ops, 1713 u32 region_max_snapshots, u64 region_size); 1714 void devl_region_destroy(struct devlink_region *region); 1715 void devlink_region_destroy(struct devlink_region *region); 1716 void devlink_port_region_destroy(struct devlink_region *region); 1717 1718 int devlink_region_snapshot_id_get(struct devlink *devlink, u32 *id); 1719 void devlink_region_snapshot_id_put(struct devlink *devlink, u32 id); 1720 int devlink_region_snapshot_create(struct devlink_region *region, 1721 u8 *data, u32 snapshot_id); 1722 int devlink_info_serial_number_put(struct devlink_info_req *req, 1723 const char *sn); 1724 int devlink_info_driver_name_put(struct devlink_info_req *req, 1725 const char *name); 1726 int devlink_info_board_serial_number_put(struct devlink_info_req *req, 1727 const char *bsn); 1728 1729 enum devlink_info_version_type { 1730 DEVLINK_INFO_VERSION_TYPE_NONE, 1731 DEVLINK_INFO_VERSION_TYPE_COMPONENT, /* May be used as flash update 1732 * component by name. 1733 */ 1734 }; 1735 1736 int devlink_info_version_fixed_put(struct devlink_info_req *req, 1737 const char *version_name, 1738 const char *version_value); 1739 int devlink_info_version_stored_put(struct devlink_info_req *req, 1740 const char *version_name, 1741 const char *version_value); 1742 int devlink_info_version_stored_put_ext(struct devlink_info_req *req, 1743 const char *version_name, 1744 const char *version_value, 1745 enum devlink_info_version_type version_type); 1746 int devlink_info_version_running_put(struct devlink_info_req *req, 1747 const char *version_name, 1748 const char *version_value); 1749 int devlink_info_version_running_put_ext(struct devlink_info_req *req, 1750 const char *version_name, 1751 const char *version_value, 1752 enum devlink_info_version_type version_type); 1753 1754 int devlink_fmsg_obj_nest_start(struct devlink_fmsg *fmsg); 1755 int devlink_fmsg_obj_nest_end(struct devlink_fmsg *fmsg); 1756 1757 int devlink_fmsg_pair_nest_start(struct devlink_fmsg *fmsg, const char *name); 1758 int devlink_fmsg_pair_nest_end(struct devlink_fmsg *fmsg); 1759 1760 int devlink_fmsg_arr_pair_nest_start(struct devlink_fmsg *fmsg, 1761 const char *name); 1762 int devlink_fmsg_arr_pair_nest_end(struct devlink_fmsg *fmsg); 1763 int devlink_fmsg_binary_pair_nest_start(struct devlink_fmsg *fmsg, 1764 const char *name); 1765 int devlink_fmsg_binary_pair_nest_end(struct devlink_fmsg *fmsg); 1766 1767 int devlink_fmsg_u32_put(struct devlink_fmsg *fmsg, u32 value); 1768 int devlink_fmsg_string_put(struct devlink_fmsg *fmsg, const char *value); 1769 int devlink_fmsg_binary_put(struct devlink_fmsg *fmsg, const void *value, 1770 u16 value_len); 1771 1772 int devlink_fmsg_bool_pair_put(struct devlink_fmsg *fmsg, const char *name, 1773 bool value); 1774 int devlink_fmsg_u8_pair_put(struct devlink_fmsg *fmsg, const char *name, 1775 u8 value); 1776 int devlink_fmsg_u32_pair_put(struct devlink_fmsg *fmsg, const char *name, 1777 u32 value); 1778 int devlink_fmsg_u64_pair_put(struct devlink_fmsg *fmsg, const char *name, 1779 u64 value); 1780 int devlink_fmsg_string_pair_put(struct devlink_fmsg *fmsg, const char *name, 1781 const char *value); 1782 int devlink_fmsg_binary_pair_put(struct devlink_fmsg *fmsg, const char *name, 1783 const void *value, u32 value_len); 1784 1785 struct devlink_health_reporter * 1786 devlink_health_reporter_create(struct devlink *devlink, 1787 const struct devlink_health_reporter_ops *ops, 1788 u64 graceful_period, void *priv); 1789 1790 struct devlink_health_reporter * 1791 devlink_port_health_reporter_create(struct devlink_port *port, 1792 const struct devlink_health_reporter_ops *ops, 1793 u64 graceful_period, void *priv); 1794 1795 void 1796 devlink_health_reporter_destroy(struct devlink_health_reporter *reporter); 1797 1798 void 1799 devlink_port_health_reporter_destroy(struct devlink_health_reporter *reporter); 1800 1801 void * 1802 devlink_health_reporter_priv(struct devlink_health_reporter *reporter); 1803 int devlink_health_report(struct devlink_health_reporter *reporter, 1804 const char *msg, void *priv_ctx); 1805 void 1806 devlink_health_reporter_state_update(struct devlink_health_reporter *reporter, 1807 enum devlink_health_reporter_state state); 1808 void 1809 devlink_health_reporter_recovery_done(struct devlink_health_reporter *reporter); 1810 1811 bool devlink_is_reload_failed(const struct devlink *devlink); 1812 void devlink_remote_reload_actions_performed(struct devlink *devlink, 1813 enum devlink_reload_limit limit, 1814 u32 actions_performed); 1815 1816 void devlink_flash_update_status_notify(struct devlink *devlink, 1817 const char *status_msg, 1818 const char *component, 1819 unsigned long done, 1820 unsigned long total); 1821 void devlink_flash_update_timeout_notify(struct devlink *devlink, 1822 const char *status_msg, 1823 const char *component, 1824 unsigned long timeout); 1825 1826 int devl_traps_register(struct devlink *devlink, 1827 const struct devlink_trap *traps, 1828 size_t traps_count, void *priv); 1829 int devlink_traps_register(struct devlink *devlink, 1830 const struct devlink_trap *traps, 1831 size_t traps_count, void *priv); 1832 void devl_traps_unregister(struct devlink *devlink, 1833 const struct devlink_trap *traps, 1834 size_t traps_count); 1835 void devlink_traps_unregister(struct devlink *devlink, 1836 const struct devlink_trap *traps, 1837 size_t traps_count); 1838 void devlink_trap_report(struct devlink *devlink, struct sk_buff *skb, 1839 void *trap_ctx, struct devlink_port *in_devlink_port, 1840 const struct flow_action_cookie *fa_cookie); 1841 void *devlink_trap_ctx_priv(void *trap_ctx); 1842 int devl_trap_groups_register(struct devlink *devlink, 1843 const struct devlink_trap_group *groups, 1844 size_t groups_count); 1845 int devlink_trap_groups_register(struct devlink *devlink, 1846 const struct devlink_trap_group *groups, 1847 size_t groups_count); 1848 void devl_trap_groups_unregister(struct devlink *devlink, 1849 const struct devlink_trap_group *groups, 1850 size_t groups_count); 1851 void devlink_trap_groups_unregister(struct devlink *devlink, 1852 const struct devlink_trap_group *groups, 1853 size_t groups_count); 1854 int 1855 devl_trap_policers_register(struct devlink *devlink, 1856 const struct devlink_trap_policer *policers, 1857 size_t policers_count); 1858 void 1859 devl_trap_policers_unregister(struct devlink *devlink, 1860 const struct devlink_trap_policer *policers, 1861 size_t policers_count); 1862 1863 #if IS_ENABLED(CONFIG_NET_DEVLINK) 1864 1865 struct devlink *__must_check devlink_try_get(struct devlink *devlink); 1866 void devlink_put(struct devlink *devlink); 1867 1868 void devlink_compat_running_version(struct devlink *devlink, 1869 char *buf, size_t len); 1870 int devlink_compat_flash_update(struct devlink *devlink, const char *file_name); 1871 int devlink_compat_phys_port_name_get(struct net_device *dev, 1872 char *name, size_t len); 1873 int devlink_compat_switch_id_get(struct net_device *dev, 1874 struct netdev_phys_item_id *ppid); 1875 1876 int devlink_nl_port_handle_fill(struct sk_buff *msg, struct devlink_port *devlink_port); 1877 size_t devlink_nl_port_handle_size(struct devlink_port *devlink_port); 1878 1879 #else 1880 1881 static inline struct devlink *devlink_try_get(struct devlink *devlink) 1882 { 1883 return NULL; 1884 } 1885 1886 static inline void devlink_put(struct devlink *devlink) 1887 { 1888 } 1889 1890 static inline void 1891 devlink_compat_running_version(struct devlink *devlink, char *buf, size_t len) 1892 { 1893 } 1894 1895 static inline int 1896 devlink_compat_flash_update(struct devlink *devlink, const char *file_name) 1897 { 1898 return -EOPNOTSUPP; 1899 } 1900 1901 static inline int 1902 devlink_compat_phys_port_name_get(struct net_device *dev, 1903 char *name, size_t len) 1904 { 1905 return -EOPNOTSUPP; 1906 } 1907 1908 static inline int 1909 devlink_compat_switch_id_get(struct net_device *dev, 1910 struct netdev_phys_item_id *ppid) 1911 { 1912 return -EOPNOTSUPP; 1913 } 1914 1915 static inline int 1916 devlink_nl_port_handle_fill(struct sk_buff *msg, struct devlink_port *devlink_port) 1917 { 1918 return 0; 1919 } 1920 1921 static inline size_t devlink_nl_port_handle_size(struct devlink_port *devlink_port) 1922 { 1923 return 0; 1924 } 1925 1926 #endif 1927 1928 #endif /* _NET_DEVLINK_H_ */ 1929