1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * include/net/devlink.h - Network physical device Netlink interface 4 * Copyright (c) 2016 Mellanox Technologies. All rights reserved. 5 * Copyright (c) 2016 Jiri Pirko <jiri@mellanox.com> 6 */ 7 #ifndef _NET_DEVLINK_H_ 8 #define _NET_DEVLINK_H_ 9 10 #include <linux/device.h> 11 #include <linux/slab.h> 12 #include <linux/gfp.h> 13 #include <linux/list.h> 14 #include <linux/netdevice.h> 15 #include <linux/spinlock.h> 16 #include <linux/workqueue.h> 17 #include <linux/refcount.h> 18 #include <net/net_namespace.h> 19 #include <net/flow_offload.h> 20 #include <uapi/linux/devlink.h> 21 #include <linux/xarray.h> 22 #include <linux/firmware.h> 23 24 struct devlink; 25 struct devlink_linecard; 26 27 struct devlink_port_phys_attrs { 28 u32 port_number; /* Same value as "split group". 29 * A physical port which is visible to the user 30 * for a given port flavour. 31 */ 32 u32 split_subport_number; /* If the port is split, this is the number of subport. */ 33 }; 34 35 /** 36 * struct devlink_port_pci_pf_attrs - devlink port's PCI PF attributes 37 * @controller: Associated controller number 38 * @pf: Associated PCI PF number for this port. 39 * @external: when set, indicates if a port is for an external controller 40 */ 41 struct devlink_port_pci_pf_attrs { 42 u32 controller; 43 u16 pf; 44 u8 external:1; 45 }; 46 47 /** 48 * struct devlink_port_pci_vf_attrs - devlink port's PCI VF attributes 49 * @controller: Associated controller number 50 * @pf: Associated PCI PF number for this port. 51 * @vf: Associated PCI VF for of the PCI PF for this port. 52 * @external: when set, indicates if a port is for an external controller 53 */ 54 struct devlink_port_pci_vf_attrs { 55 u32 controller; 56 u16 pf; 57 u16 vf; 58 u8 external:1; 59 }; 60 61 /** 62 * struct devlink_port_pci_sf_attrs - devlink port's PCI SF attributes 63 * @controller: Associated controller number 64 * @sf: Associated PCI SF for of the PCI PF for this port. 65 * @pf: Associated PCI PF number for this port. 66 * @external: when set, indicates if a port is for an external controller 67 */ 68 struct devlink_port_pci_sf_attrs { 69 u32 controller; 70 u32 sf; 71 u16 pf; 72 u8 external:1; 73 }; 74 75 /** 76 * struct devlink_port_attrs - devlink port object 77 * @flavour: flavour of the port 78 * @split: indicates if this is split port 79 * @splittable: indicates if the port can be split. 80 * @lanes: maximum number of lanes the port supports. 0 value is not passed to netlink. 81 * @switch_id: if the port is part of switch, this is buffer with ID, otherwise this is NULL 82 * @phys: physical port attributes 83 * @pci_pf: PCI PF port attributes 84 * @pci_vf: PCI VF port attributes 85 * @pci_sf: PCI SF port attributes 86 */ 87 struct devlink_port_attrs { 88 u8 split:1, 89 splittable:1; 90 u32 lanes; 91 enum devlink_port_flavour flavour; 92 struct netdev_phys_item_id switch_id; 93 union { 94 struct devlink_port_phys_attrs phys; 95 struct devlink_port_pci_pf_attrs pci_pf; 96 struct devlink_port_pci_vf_attrs pci_vf; 97 struct devlink_port_pci_sf_attrs pci_sf; 98 }; 99 }; 100 101 struct devlink_rate { 102 struct list_head list; 103 enum devlink_rate_type type; 104 struct devlink *devlink; 105 void *priv; 106 u64 tx_share; 107 u64 tx_max; 108 109 struct devlink_rate *parent; 110 union { 111 struct devlink_port *devlink_port; 112 struct { 113 char *name; 114 refcount_t refcnt; 115 }; 116 }; 117 118 u32 tx_priority; 119 u32 tx_weight; 120 }; 121 122 struct devlink_port { 123 struct list_head list; 124 struct list_head region_list; 125 struct devlink *devlink; 126 unsigned int index; 127 spinlock_t type_lock; /* Protects type and type_eth/ib 128 * structures consistency. 129 */ 130 enum devlink_port_type type; 131 enum devlink_port_type desired_type; 132 union { 133 struct { 134 struct net_device *netdev; 135 int ifindex; 136 char ifname[IFNAMSIZ]; 137 } type_eth; 138 struct { 139 struct ib_device *ibdev; 140 } type_ib; 141 }; 142 struct devlink_port_attrs attrs; 143 u8 attrs_set:1, 144 switch_port:1, 145 registered:1, 146 initialized:1; 147 struct delayed_work type_warn_dw; 148 struct list_head reporter_list; 149 struct mutex reporters_lock; /* Protects reporter_list */ 150 151 struct devlink_rate *devlink_rate; 152 struct devlink_linecard *linecard; 153 }; 154 155 struct devlink_port_new_attrs { 156 enum devlink_port_flavour flavour; 157 unsigned int port_index; 158 u32 controller; 159 u32 sfnum; 160 u16 pfnum; 161 u8 port_index_valid:1, 162 controller_valid:1, 163 sfnum_valid:1; 164 }; 165 166 /** 167 * struct devlink_linecard_ops - Linecard operations 168 * @provision: callback to provision the linecard slot with certain 169 * type of linecard. As a result of this operation, 170 * driver is expected to eventually (could be after 171 * the function call returns) call one of: 172 * devlink_linecard_provision_set() 173 * devlink_linecard_provision_fail() 174 * @unprovision: callback to unprovision the linecard slot. As a result 175 * of this operation, driver is expected to eventually 176 * (could be after the function call returns) call 177 * devlink_linecard_provision_clear() 178 * devlink_linecard_provision_fail() 179 * @same_provision: callback to ask the driver if linecard is already 180 * provisioned in the same way user asks this linecard to be 181 * provisioned. 182 * @types_count: callback to get number of supported types 183 * @types_get: callback to get next type in list 184 */ 185 struct devlink_linecard_ops { 186 int (*provision)(struct devlink_linecard *linecard, void *priv, 187 const char *type, const void *type_priv, 188 struct netlink_ext_ack *extack); 189 int (*unprovision)(struct devlink_linecard *linecard, void *priv, 190 struct netlink_ext_ack *extack); 191 bool (*same_provision)(struct devlink_linecard *linecard, void *priv, 192 const char *type, const void *type_priv); 193 unsigned int (*types_count)(struct devlink_linecard *linecard, 194 void *priv); 195 void (*types_get)(struct devlink_linecard *linecard, 196 void *priv, unsigned int index, const char **type, 197 const void **type_priv); 198 }; 199 200 struct devlink_sb_pool_info { 201 enum devlink_sb_pool_type pool_type; 202 u32 size; 203 enum devlink_sb_threshold_type threshold_type; 204 u32 cell_size; 205 }; 206 207 /** 208 * struct devlink_dpipe_field - dpipe field object 209 * @name: field name 210 * @id: index inside the headers field array 211 * @bitwidth: bitwidth 212 * @mapping_type: mapping type 213 */ 214 struct devlink_dpipe_field { 215 const char *name; 216 unsigned int id; 217 unsigned int bitwidth; 218 enum devlink_dpipe_field_mapping_type mapping_type; 219 }; 220 221 /** 222 * struct devlink_dpipe_header - dpipe header object 223 * @name: header name 224 * @id: index, global/local detrmined by global bit 225 * @fields: fields 226 * @fields_count: number of fields 227 * @global: indicates if header is shared like most protocol header 228 * or driver specific 229 */ 230 struct devlink_dpipe_header { 231 const char *name; 232 unsigned int id; 233 struct devlink_dpipe_field *fields; 234 unsigned int fields_count; 235 bool global; 236 }; 237 238 /** 239 * struct devlink_dpipe_match - represents match operation 240 * @type: type of match 241 * @header_index: header index (packets can have several headers of same 242 * type like in case of tunnels) 243 * @header: header 244 * @fieled_id: field index 245 */ 246 struct devlink_dpipe_match { 247 enum devlink_dpipe_match_type type; 248 unsigned int header_index; 249 struct devlink_dpipe_header *header; 250 unsigned int field_id; 251 }; 252 253 /** 254 * struct devlink_dpipe_action - represents action operation 255 * @type: type of action 256 * @header_index: header index (packets can have several headers of same 257 * type like in case of tunnels) 258 * @header: header 259 * @fieled_id: field index 260 */ 261 struct devlink_dpipe_action { 262 enum devlink_dpipe_action_type type; 263 unsigned int header_index; 264 struct devlink_dpipe_header *header; 265 unsigned int field_id; 266 }; 267 268 /** 269 * struct devlink_dpipe_value - represents value of match/action 270 * @action: action 271 * @match: match 272 * @mapping_value: in case the field has some mapping this value 273 * specified the mapping value 274 * @mapping_valid: specify if mapping value is valid 275 * @value_size: value size 276 * @value: value 277 * @mask: bit mask 278 */ 279 struct devlink_dpipe_value { 280 union { 281 struct devlink_dpipe_action *action; 282 struct devlink_dpipe_match *match; 283 }; 284 unsigned int mapping_value; 285 bool mapping_valid; 286 unsigned int value_size; 287 void *value; 288 void *mask; 289 }; 290 291 /** 292 * struct devlink_dpipe_entry - table entry object 293 * @index: index of the entry in the table 294 * @match_values: match values 295 * @matche_values_count: count of matches tuples 296 * @action_values: actions values 297 * @action_values_count: count of actions values 298 * @counter: value of counter 299 * @counter_valid: Specify if value is valid from hardware 300 */ 301 struct devlink_dpipe_entry { 302 u64 index; 303 struct devlink_dpipe_value *match_values; 304 unsigned int match_values_count; 305 struct devlink_dpipe_value *action_values; 306 unsigned int action_values_count; 307 u64 counter; 308 bool counter_valid; 309 }; 310 311 /** 312 * struct devlink_dpipe_dump_ctx - context provided to driver in order 313 * to dump 314 * @info: info 315 * @cmd: devlink command 316 * @skb: skb 317 * @nest: top attribute 318 * @hdr: hdr 319 */ 320 struct devlink_dpipe_dump_ctx { 321 struct genl_info *info; 322 enum devlink_command cmd; 323 struct sk_buff *skb; 324 struct nlattr *nest; 325 void *hdr; 326 }; 327 328 struct devlink_dpipe_table_ops; 329 330 /** 331 * struct devlink_dpipe_table - table object 332 * @priv: private 333 * @name: table name 334 * @counters_enabled: indicates if counters are active 335 * @counter_control_extern: indicates if counter control is in dpipe or 336 * external tool 337 * @resource_valid: Indicate that the resource id is valid 338 * @resource_id: relative resource this table is related to 339 * @resource_units: number of resource's unit consumed per table's entry 340 * @table_ops: table operations 341 * @rcu: rcu 342 */ 343 struct devlink_dpipe_table { 344 void *priv; 345 struct list_head list; 346 const char *name; 347 bool counters_enabled; 348 bool counter_control_extern; 349 bool resource_valid; 350 u64 resource_id; 351 u64 resource_units; 352 struct devlink_dpipe_table_ops *table_ops; 353 struct rcu_head rcu; 354 }; 355 356 /** 357 * struct devlink_dpipe_table_ops - dpipe_table ops 358 * @actions_dump - dumps all tables actions 359 * @matches_dump - dumps all tables matches 360 * @entries_dump - dumps all active entries in the table 361 * @counters_set_update - when changing the counter status hardware sync 362 * maybe needed to allocate/free counter related 363 * resources 364 * @size_get - get size 365 */ 366 struct devlink_dpipe_table_ops { 367 int (*actions_dump)(void *priv, struct sk_buff *skb); 368 int (*matches_dump)(void *priv, struct sk_buff *skb); 369 int (*entries_dump)(void *priv, bool counters_enabled, 370 struct devlink_dpipe_dump_ctx *dump_ctx); 371 int (*counters_set_update)(void *priv, bool enable); 372 u64 (*size_get)(void *priv); 373 }; 374 375 /** 376 * struct devlink_dpipe_headers - dpipe headers 377 * @headers - header array can be shared (global bit) or driver specific 378 * @headers_count - count of headers 379 */ 380 struct devlink_dpipe_headers { 381 struct devlink_dpipe_header **headers; 382 unsigned int headers_count; 383 }; 384 385 /** 386 * struct devlink_resource_size_params - resource's size parameters 387 * @size_min: minimum size which can be set 388 * @size_max: maximum size which can be set 389 * @size_granularity: size granularity 390 * @size_unit: resource's basic unit 391 */ 392 struct devlink_resource_size_params { 393 u64 size_min; 394 u64 size_max; 395 u64 size_granularity; 396 enum devlink_resource_unit unit; 397 }; 398 399 static inline void 400 devlink_resource_size_params_init(struct devlink_resource_size_params *size_params, 401 u64 size_min, u64 size_max, 402 u64 size_granularity, 403 enum devlink_resource_unit unit) 404 { 405 size_params->size_min = size_min; 406 size_params->size_max = size_max; 407 size_params->size_granularity = size_granularity; 408 size_params->unit = unit; 409 } 410 411 typedef u64 devlink_resource_occ_get_t(void *priv); 412 413 #define DEVLINK_RESOURCE_ID_PARENT_TOP 0 414 415 #define DEVLINK_RESOURCE_GENERIC_NAME_PORTS "physical_ports" 416 417 #define __DEVLINK_PARAM_MAX_STRING_VALUE 32 418 enum devlink_param_type { 419 DEVLINK_PARAM_TYPE_U8, 420 DEVLINK_PARAM_TYPE_U16, 421 DEVLINK_PARAM_TYPE_U32, 422 DEVLINK_PARAM_TYPE_STRING, 423 DEVLINK_PARAM_TYPE_BOOL, 424 }; 425 426 union devlink_param_value { 427 u8 vu8; 428 u16 vu16; 429 u32 vu32; 430 char vstr[__DEVLINK_PARAM_MAX_STRING_VALUE]; 431 bool vbool; 432 }; 433 434 struct devlink_param_gset_ctx { 435 union devlink_param_value val; 436 enum devlink_param_cmode cmode; 437 }; 438 439 /** 440 * struct devlink_flash_notify - devlink dev flash notify data 441 * @status_msg: current status string 442 * @component: firmware component being updated 443 * @done: amount of work completed of total amount 444 * @total: amount of work expected to be done 445 * @timeout: expected max timeout in seconds 446 * 447 * These are values to be given to userland to be displayed in order 448 * to show current activity in a firmware update process. 449 */ 450 struct devlink_flash_notify { 451 const char *status_msg; 452 const char *component; 453 unsigned long done; 454 unsigned long total; 455 unsigned long timeout; 456 }; 457 458 /** 459 * struct devlink_param - devlink configuration parameter data 460 * @name: name of the parameter 461 * @generic: indicates if the parameter is generic or driver specific 462 * @type: parameter type 463 * @supported_cmodes: bitmap of supported configuration modes 464 * @get: get parameter value, used for runtime and permanent 465 * configuration modes 466 * @set: set parameter value, used for runtime and permanent 467 * configuration modes 468 * @validate: validate input value is applicable (within value range, etc.) 469 * 470 * This struct should be used by the driver to fill the data for 471 * a parameter it registers. 472 */ 473 struct devlink_param { 474 u32 id; 475 const char *name; 476 bool generic; 477 enum devlink_param_type type; 478 unsigned long supported_cmodes; 479 int (*get)(struct devlink *devlink, u32 id, 480 struct devlink_param_gset_ctx *ctx); 481 int (*set)(struct devlink *devlink, u32 id, 482 struct devlink_param_gset_ctx *ctx); 483 int (*validate)(struct devlink *devlink, u32 id, 484 union devlink_param_value val, 485 struct netlink_ext_ack *extack); 486 }; 487 488 struct devlink_param_item { 489 struct list_head list; 490 const struct devlink_param *param; 491 union devlink_param_value driverinit_value; 492 bool driverinit_value_valid; 493 }; 494 495 enum devlink_param_generic_id { 496 DEVLINK_PARAM_GENERIC_ID_INT_ERR_RESET, 497 DEVLINK_PARAM_GENERIC_ID_MAX_MACS, 498 DEVLINK_PARAM_GENERIC_ID_ENABLE_SRIOV, 499 DEVLINK_PARAM_GENERIC_ID_REGION_SNAPSHOT, 500 DEVLINK_PARAM_GENERIC_ID_IGNORE_ARI, 501 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX, 502 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN, 503 DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY, 504 DEVLINK_PARAM_GENERIC_ID_RESET_DEV_ON_DRV_PROBE, 505 DEVLINK_PARAM_GENERIC_ID_ENABLE_ROCE, 506 DEVLINK_PARAM_GENERIC_ID_ENABLE_REMOTE_DEV_RESET, 507 DEVLINK_PARAM_GENERIC_ID_ENABLE_ETH, 508 DEVLINK_PARAM_GENERIC_ID_ENABLE_RDMA, 509 DEVLINK_PARAM_GENERIC_ID_ENABLE_VNET, 510 DEVLINK_PARAM_GENERIC_ID_ENABLE_IWARP, 511 DEVLINK_PARAM_GENERIC_ID_IO_EQ_SIZE, 512 DEVLINK_PARAM_GENERIC_ID_EVENT_EQ_SIZE, 513 514 /* add new param generic ids above here*/ 515 __DEVLINK_PARAM_GENERIC_ID_MAX, 516 DEVLINK_PARAM_GENERIC_ID_MAX = __DEVLINK_PARAM_GENERIC_ID_MAX - 1, 517 }; 518 519 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_NAME "internal_error_reset" 520 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL 521 522 #define DEVLINK_PARAM_GENERIC_MAX_MACS_NAME "max_macs" 523 #define DEVLINK_PARAM_GENERIC_MAX_MACS_TYPE DEVLINK_PARAM_TYPE_U32 524 525 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_NAME "enable_sriov" 526 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_TYPE DEVLINK_PARAM_TYPE_BOOL 527 528 #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_NAME "region_snapshot_enable" 529 #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_TYPE DEVLINK_PARAM_TYPE_BOOL 530 531 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_NAME "ignore_ari" 532 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_TYPE DEVLINK_PARAM_TYPE_BOOL 533 534 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_NAME "msix_vec_per_pf_max" 535 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_TYPE DEVLINK_PARAM_TYPE_U32 536 537 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_NAME "msix_vec_per_pf_min" 538 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_TYPE DEVLINK_PARAM_TYPE_U32 539 540 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_NAME "fw_load_policy" 541 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_TYPE DEVLINK_PARAM_TYPE_U8 542 543 #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_NAME \ 544 "reset_dev_on_drv_probe" 545 #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_TYPE DEVLINK_PARAM_TYPE_U8 546 547 #define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_NAME "enable_roce" 548 #define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_TYPE DEVLINK_PARAM_TYPE_BOOL 549 550 #define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_NAME "enable_remote_dev_reset" 551 #define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL 552 553 #define DEVLINK_PARAM_GENERIC_ENABLE_ETH_NAME "enable_eth" 554 #define DEVLINK_PARAM_GENERIC_ENABLE_ETH_TYPE DEVLINK_PARAM_TYPE_BOOL 555 556 #define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_NAME "enable_rdma" 557 #define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_TYPE DEVLINK_PARAM_TYPE_BOOL 558 559 #define DEVLINK_PARAM_GENERIC_ENABLE_VNET_NAME "enable_vnet" 560 #define DEVLINK_PARAM_GENERIC_ENABLE_VNET_TYPE DEVLINK_PARAM_TYPE_BOOL 561 562 #define DEVLINK_PARAM_GENERIC_ENABLE_IWARP_NAME "enable_iwarp" 563 #define DEVLINK_PARAM_GENERIC_ENABLE_IWARP_TYPE DEVLINK_PARAM_TYPE_BOOL 564 565 #define DEVLINK_PARAM_GENERIC_IO_EQ_SIZE_NAME "io_eq_size" 566 #define DEVLINK_PARAM_GENERIC_IO_EQ_SIZE_TYPE DEVLINK_PARAM_TYPE_U32 567 568 #define DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_NAME "event_eq_size" 569 #define DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_TYPE DEVLINK_PARAM_TYPE_U32 570 571 #define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate) \ 572 { \ 573 .id = DEVLINK_PARAM_GENERIC_ID_##_id, \ 574 .name = DEVLINK_PARAM_GENERIC_##_id##_NAME, \ 575 .type = DEVLINK_PARAM_GENERIC_##_id##_TYPE, \ 576 .generic = true, \ 577 .supported_cmodes = _cmodes, \ 578 .get = _get, \ 579 .set = _set, \ 580 .validate = _validate, \ 581 } 582 583 #define DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, _get, _set, _validate) \ 584 { \ 585 .id = _id, \ 586 .name = _name, \ 587 .type = _type, \ 588 .supported_cmodes = _cmodes, \ 589 .get = _get, \ 590 .set = _set, \ 591 .validate = _validate, \ 592 } 593 594 /* Part number, identifier of board design */ 595 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_ID "board.id" 596 /* Revision of board design */ 597 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_REV "board.rev" 598 /* Maker of the board */ 599 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_MANUFACTURE "board.manufacture" 600 601 /* Part number, identifier of asic design */ 602 #define DEVLINK_INFO_VERSION_GENERIC_ASIC_ID "asic.id" 603 /* Revision of asic design */ 604 #define DEVLINK_INFO_VERSION_GENERIC_ASIC_REV "asic.rev" 605 606 /* Overall FW version */ 607 #define DEVLINK_INFO_VERSION_GENERIC_FW "fw" 608 /* Control processor FW version */ 609 #define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT "fw.mgmt" 610 /* FW interface specification version */ 611 #define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT_API "fw.mgmt.api" 612 /* Data path microcode controlling high-speed packet processing */ 613 #define DEVLINK_INFO_VERSION_GENERIC_FW_APP "fw.app" 614 /* UNDI software version */ 615 #define DEVLINK_INFO_VERSION_GENERIC_FW_UNDI "fw.undi" 616 /* NCSI support/handler version */ 617 #define DEVLINK_INFO_VERSION_GENERIC_FW_NCSI "fw.ncsi" 618 /* FW parameter set id */ 619 #define DEVLINK_INFO_VERSION_GENERIC_FW_PSID "fw.psid" 620 /* RoCE FW version */ 621 #define DEVLINK_INFO_VERSION_GENERIC_FW_ROCE "fw.roce" 622 /* Firmware bundle identifier */ 623 #define DEVLINK_INFO_VERSION_GENERIC_FW_BUNDLE_ID "fw.bundle_id" 624 /* Bootloader */ 625 #define DEVLINK_INFO_VERSION_GENERIC_FW_BOOTLOADER "fw.bootloader" 626 627 /** 628 * struct devlink_flash_update_params - Flash Update parameters 629 * @fw: pointer to the firmware data to update from 630 * @component: the flash component to update 631 * 632 * With the exception of fw, drivers must opt-in to parameters by 633 * setting the appropriate bit in the supported_flash_update_params field in 634 * their devlink_ops structure. 635 */ 636 struct devlink_flash_update_params { 637 const struct firmware *fw; 638 const char *component; 639 u32 overwrite_mask; 640 }; 641 642 #define DEVLINK_SUPPORT_FLASH_UPDATE_OVERWRITE_MASK BIT(0) 643 644 struct devlink_region; 645 struct devlink_info_req; 646 647 /** 648 * struct devlink_region_ops - Region operations 649 * @name: region name 650 * @destructor: callback used to free snapshot memory when deleting 651 * @snapshot: callback to request an immediate snapshot. On success, 652 * the data variable must be updated to point to the snapshot data. 653 * The function will be called while the devlink instance lock is 654 * held. 655 * @read: callback to directly read a portion of the region. On success, 656 * the data pointer will be updated with the contents of the 657 * requested portion of the region. The function will be called 658 * while the devlink instance lock is held. 659 * @priv: Pointer to driver private data for the region operation 660 */ 661 struct devlink_region_ops { 662 const char *name; 663 void (*destructor)(const void *data); 664 int (*snapshot)(struct devlink *devlink, 665 const struct devlink_region_ops *ops, 666 struct netlink_ext_ack *extack, 667 u8 **data); 668 int (*read)(struct devlink *devlink, 669 const struct devlink_region_ops *ops, 670 struct netlink_ext_ack *extack, 671 u64 offset, u32 size, u8 *data); 672 void *priv; 673 }; 674 675 /** 676 * struct devlink_port_region_ops - Region operations for a port 677 * @name: region name 678 * @destructor: callback used to free snapshot memory when deleting 679 * @snapshot: callback to request an immediate snapshot. On success, 680 * the data variable must be updated to point to the snapshot data. 681 * The function will be called while the devlink instance lock is 682 * held. 683 * @read: callback to directly read a portion of the region. On success, 684 * the data pointer will be updated with the contents of the 685 * requested portion of the region. The function will be called 686 * while the devlink instance lock is held. 687 * @priv: Pointer to driver private data for the region operation 688 */ 689 struct devlink_port_region_ops { 690 const char *name; 691 void (*destructor)(const void *data); 692 int (*snapshot)(struct devlink_port *port, 693 const struct devlink_port_region_ops *ops, 694 struct netlink_ext_ack *extack, 695 u8 **data); 696 int (*read)(struct devlink_port *port, 697 const struct devlink_port_region_ops *ops, 698 struct netlink_ext_ack *extack, 699 u64 offset, u32 size, u8 *data); 700 void *priv; 701 }; 702 703 struct devlink_fmsg; 704 struct devlink_health_reporter; 705 706 enum devlink_health_reporter_state { 707 DEVLINK_HEALTH_REPORTER_STATE_HEALTHY, 708 DEVLINK_HEALTH_REPORTER_STATE_ERROR, 709 }; 710 711 /** 712 * struct devlink_health_reporter_ops - Reporter operations 713 * @name: reporter name 714 * @recover: callback to recover from reported error 715 * if priv_ctx is NULL, run a full recover 716 * @dump: callback to dump an object 717 * if priv_ctx is NULL, run a full dump 718 * @diagnose: callback to diagnose the current status 719 * @test: callback to trigger a test event 720 */ 721 722 struct devlink_health_reporter_ops { 723 char *name; 724 int (*recover)(struct devlink_health_reporter *reporter, 725 void *priv_ctx, struct netlink_ext_ack *extack); 726 int (*dump)(struct devlink_health_reporter *reporter, 727 struct devlink_fmsg *fmsg, void *priv_ctx, 728 struct netlink_ext_ack *extack); 729 int (*diagnose)(struct devlink_health_reporter *reporter, 730 struct devlink_fmsg *fmsg, 731 struct netlink_ext_ack *extack); 732 int (*test)(struct devlink_health_reporter *reporter, 733 struct netlink_ext_ack *extack); 734 }; 735 736 /** 737 * struct devlink_trap_metadata - Packet trap metadata. 738 * @trap_name: Trap name. 739 * @trap_group_name: Trap group name. 740 * @input_dev: Input netdevice. 741 * @dev_tracker: refcount tracker for @input_dev. 742 * @fa_cookie: Flow action user cookie. 743 * @trap_type: Trap type. 744 */ 745 struct devlink_trap_metadata { 746 const char *trap_name; 747 const char *trap_group_name; 748 749 struct net_device *input_dev; 750 netdevice_tracker dev_tracker; 751 752 const struct flow_action_cookie *fa_cookie; 753 enum devlink_trap_type trap_type; 754 }; 755 756 /** 757 * struct devlink_trap_policer - Immutable packet trap policer attributes. 758 * @id: Policer identifier. 759 * @init_rate: Initial rate in packets / sec. 760 * @init_burst: Initial burst size in packets. 761 * @max_rate: Maximum rate. 762 * @min_rate: Minimum rate. 763 * @max_burst: Maximum burst size. 764 * @min_burst: Minimum burst size. 765 * 766 * Describes immutable attributes of packet trap policers that drivers register 767 * with devlink. 768 */ 769 struct devlink_trap_policer { 770 u32 id; 771 u64 init_rate; 772 u64 init_burst; 773 u64 max_rate; 774 u64 min_rate; 775 u64 max_burst; 776 u64 min_burst; 777 }; 778 779 /** 780 * struct devlink_trap_group - Immutable packet trap group attributes. 781 * @name: Trap group name. 782 * @id: Trap group identifier. 783 * @generic: Whether the trap group is generic or not. 784 * @init_policer_id: Initial policer identifier. 785 * 786 * Describes immutable attributes of packet trap groups that drivers register 787 * with devlink. 788 */ 789 struct devlink_trap_group { 790 const char *name; 791 u16 id; 792 bool generic; 793 u32 init_policer_id; 794 }; 795 796 #define DEVLINK_TRAP_METADATA_TYPE_F_IN_PORT BIT(0) 797 #define DEVLINK_TRAP_METADATA_TYPE_F_FA_COOKIE BIT(1) 798 799 /** 800 * struct devlink_trap - Immutable packet trap attributes. 801 * @type: Trap type. 802 * @init_action: Initial trap action. 803 * @generic: Whether the trap is generic or not. 804 * @id: Trap identifier. 805 * @name: Trap name. 806 * @init_group_id: Initial group identifier. 807 * @metadata_cap: Metadata types that can be provided by the trap. 808 * 809 * Describes immutable attributes of packet traps that drivers register with 810 * devlink. 811 */ 812 struct devlink_trap { 813 enum devlink_trap_type type; 814 enum devlink_trap_action init_action; 815 bool generic; 816 u16 id; 817 const char *name; 818 u16 init_group_id; 819 u32 metadata_cap; 820 }; 821 822 /* All traps must be documented in 823 * Documentation/networking/devlink/devlink-trap.rst 824 */ 825 enum devlink_trap_generic_id { 826 DEVLINK_TRAP_GENERIC_ID_SMAC_MC, 827 DEVLINK_TRAP_GENERIC_ID_VLAN_TAG_MISMATCH, 828 DEVLINK_TRAP_GENERIC_ID_INGRESS_VLAN_FILTER, 829 DEVLINK_TRAP_GENERIC_ID_INGRESS_STP_FILTER, 830 DEVLINK_TRAP_GENERIC_ID_EMPTY_TX_LIST, 831 DEVLINK_TRAP_GENERIC_ID_PORT_LOOPBACK_FILTER, 832 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_ROUTE, 833 DEVLINK_TRAP_GENERIC_ID_TTL_ERROR, 834 DEVLINK_TRAP_GENERIC_ID_TAIL_DROP, 835 DEVLINK_TRAP_GENERIC_ID_NON_IP_PACKET, 836 DEVLINK_TRAP_GENERIC_ID_UC_DIP_MC_DMAC, 837 DEVLINK_TRAP_GENERIC_ID_DIP_LB, 838 DEVLINK_TRAP_GENERIC_ID_SIP_MC, 839 DEVLINK_TRAP_GENERIC_ID_SIP_LB, 840 DEVLINK_TRAP_GENERIC_ID_CORRUPTED_IP_HDR, 841 DEVLINK_TRAP_GENERIC_ID_IPV4_SIP_BC, 842 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_RESERVED_SCOPE, 843 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE, 844 DEVLINK_TRAP_GENERIC_ID_MTU_ERROR, 845 DEVLINK_TRAP_GENERIC_ID_UNRESOLVED_NEIGH, 846 DEVLINK_TRAP_GENERIC_ID_RPF, 847 DEVLINK_TRAP_GENERIC_ID_REJECT_ROUTE, 848 DEVLINK_TRAP_GENERIC_ID_IPV4_LPM_UNICAST_MISS, 849 DEVLINK_TRAP_GENERIC_ID_IPV6_LPM_UNICAST_MISS, 850 DEVLINK_TRAP_GENERIC_ID_NON_ROUTABLE, 851 DEVLINK_TRAP_GENERIC_ID_DECAP_ERROR, 852 DEVLINK_TRAP_GENERIC_ID_OVERLAY_SMAC_MC, 853 DEVLINK_TRAP_GENERIC_ID_INGRESS_FLOW_ACTION_DROP, 854 DEVLINK_TRAP_GENERIC_ID_EGRESS_FLOW_ACTION_DROP, 855 DEVLINK_TRAP_GENERIC_ID_STP, 856 DEVLINK_TRAP_GENERIC_ID_LACP, 857 DEVLINK_TRAP_GENERIC_ID_LLDP, 858 DEVLINK_TRAP_GENERIC_ID_IGMP_QUERY, 859 DEVLINK_TRAP_GENERIC_ID_IGMP_V1_REPORT, 860 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_REPORT, 861 DEVLINK_TRAP_GENERIC_ID_IGMP_V3_REPORT, 862 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_LEAVE, 863 DEVLINK_TRAP_GENERIC_ID_MLD_QUERY, 864 DEVLINK_TRAP_GENERIC_ID_MLD_V1_REPORT, 865 DEVLINK_TRAP_GENERIC_ID_MLD_V2_REPORT, 866 DEVLINK_TRAP_GENERIC_ID_MLD_V1_DONE, 867 DEVLINK_TRAP_GENERIC_ID_IPV4_DHCP, 868 DEVLINK_TRAP_GENERIC_ID_IPV6_DHCP, 869 DEVLINK_TRAP_GENERIC_ID_ARP_REQUEST, 870 DEVLINK_TRAP_GENERIC_ID_ARP_RESPONSE, 871 DEVLINK_TRAP_GENERIC_ID_ARP_OVERLAY, 872 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_SOLICIT, 873 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_ADVERT, 874 DEVLINK_TRAP_GENERIC_ID_IPV4_BFD, 875 DEVLINK_TRAP_GENERIC_ID_IPV6_BFD, 876 DEVLINK_TRAP_GENERIC_ID_IPV4_OSPF, 877 DEVLINK_TRAP_GENERIC_ID_IPV6_OSPF, 878 DEVLINK_TRAP_GENERIC_ID_IPV4_BGP, 879 DEVLINK_TRAP_GENERIC_ID_IPV6_BGP, 880 DEVLINK_TRAP_GENERIC_ID_IPV4_VRRP, 881 DEVLINK_TRAP_GENERIC_ID_IPV6_VRRP, 882 DEVLINK_TRAP_GENERIC_ID_IPV4_PIM, 883 DEVLINK_TRAP_GENERIC_ID_IPV6_PIM, 884 DEVLINK_TRAP_GENERIC_ID_UC_LB, 885 DEVLINK_TRAP_GENERIC_ID_LOCAL_ROUTE, 886 DEVLINK_TRAP_GENERIC_ID_EXTERNAL_ROUTE, 887 DEVLINK_TRAP_GENERIC_ID_IPV6_UC_DIP_LINK_LOCAL_SCOPE, 888 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_NODES, 889 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_ROUTERS, 890 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_SOLICIT, 891 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ADVERT, 892 DEVLINK_TRAP_GENERIC_ID_IPV6_REDIRECT, 893 DEVLINK_TRAP_GENERIC_ID_IPV4_ROUTER_ALERT, 894 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ALERT, 895 DEVLINK_TRAP_GENERIC_ID_PTP_EVENT, 896 DEVLINK_TRAP_GENERIC_ID_PTP_GENERAL, 897 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_SAMPLE, 898 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_TRAP, 899 DEVLINK_TRAP_GENERIC_ID_EARLY_DROP, 900 DEVLINK_TRAP_GENERIC_ID_VXLAN_PARSING, 901 DEVLINK_TRAP_GENERIC_ID_LLC_SNAP_PARSING, 902 DEVLINK_TRAP_GENERIC_ID_VLAN_PARSING, 903 DEVLINK_TRAP_GENERIC_ID_PPPOE_PPP_PARSING, 904 DEVLINK_TRAP_GENERIC_ID_MPLS_PARSING, 905 DEVLINK_TRAP_GENERIC_ID_ARP_PARSING, 906 DEVLINK_TRAP_GENERIC_ID_IP_1_PARSING, 907 DEVLINK_TRAP_GENERIC_ID_IP_N_PARSING, 908 DEVLINK_TRAP_GENERIC_ID_GRE_PARSING, 909 DEVLINK_TRAP_GENERIC_ID_UDP_PARSING, 910 DEVLINK_TRAP_GENERIC_ID_TCP_PARSING, 911 DEVLINK_TRAP_GENERIC_ID_IPSEC_PARSING, 912 DEVLINK_TRAP_GENERIC_ID_SCTP_PARSING, 913 DEVLINK_TRAP_GENERIC_ID_DCCP_PARSING, 914 DEVLINK_TRAP_GENERIC_ID_GTP_PARSING, 915 DEVLINK_TRAP_GENERIC_ID_ESP_PARSING, 916 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_NEXTHOP, 917 DEVLINK_TRAP_GENERIC_ID_DMAC_FILTER, 918 DEVLINK_TRAP_GENERIC_ID_EAPOL, 919 DEVLINK_TRAP_GENERIC_ID_LOCKED_PORT, 920 921 /* Add new generic trap IDs above */ 922 __DEVLINK_TRAP_GENERIC_ID_MAX, 923 DEVLINK_TRAP_GENERIC_ID_MAX = __DEVLINK_TRAP_GENERIC_ID_MAX - 1, 924 }; 925 926 /* All trap groups must be documented in 927 * Documentation/networking/devlink/devlink-trap.rst 928 */ 929 enum devlink_trap_group_generic_id { 930 DEVLINK_TRAP_GROUP_GENERIC_ID_L2_DROPS, 931 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_DROPS, 932 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_EXCEPTIONS, 933 DEVLINK_TRAP_GROUP_GENERIC_ID_BUFFER_DROPS, 934 DEVLINK_TRAP_GROUP_GENERIC_ID_TUNNEL_DROPS, 935 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_DROPS, 936 DEVLINK_TRAP_GROUP_GENERIC_ID_STP, 937 DEVLINK_TRAP_GROUP_GENERIC_ID_LACP, 938 DEVLINK_TRAP_GROUP_GENERIC_ID_LLDP, 939 DEVLINK_TRAP_GROUP_GENERIC_ID_MC_SNOOPING, 940 DEVLINK_TRAP_GROUP_GENERIC_ID_DHCP, 941 DEVLINK_TRAP_GROUP_GENERIC_ID_NEIGH_DISCOVERY, 942 DEVLINK_TRAP_GROUP_GENERIC_ID_BFD, 943 DEVLINK_TRAP_GROUP_GENERIC_ID_OSPF, 944 DEVLINK_TRAP_GROUP_GENERIC_ID_BGP, 945 DEVLINK_TRAP_GROUP_GENERIC_ID_VRRP, 946 DEVLINK_TRAP_GROUP_GENERIC_ID_PIM, 947 DEVLINK_TRAP_GROUP_GENERIC_ID_UC_LB, 948 DEVLINK_TRAP_GROUP_GENERIC_ID_LOCAL_DELIVERY, 949 DEVLINK_TRAP_GROUP_GENERIC_ID_EXTERNAL_DELIVERY, 950 DEVLINK_TRAP_GROUP_GENERIC_ID_IPV6, 951 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_EVENT, 952 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_GENERAL, 953 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_SAMPLE, 954 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_TRAP, 955 DEVLINK_TRAP_GROUP_GENERIC_ID_PARSER_ERROR_DROPS, 956 DEVLINK_TRAP_GROUP_GENERIC_ID_EAPOL, 957 958 /* Add new generic trap group IDs above */ 959 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX, 960 DEVLINK_TRAP_GROUP_GENERIC_ID_MAX = 961 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX - 1, 962 }; 963 964 #define DEVLINK_TRAP_GENERIC_NAME_SMAC_MC \ 965 "source_mac_is_multicast" 966 #define DEVLINK_TRAP_GENERIC_NAME_VLAN_TAG_MISMATCH \ 967 "vlan_tag_mismatch" 968 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_VLAN_FILTER \ 969 "ingress_vlan_filter" 970 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_STP_FILTER \ 971 "ingress_spanning_tree_filter" 972 #define DEVLINK_TRAP_GENERIC_NAME_EMPTY_TX_LIST \ 973 "port_list_is_empty" 974 #define DEVLINK_TRAP_GENERIC_NAME_PORT_LOOPBACK_FILTER \ 975 "port_loopback_filter" 976 #define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_ROUTE \ 977 "blackhole_route" 978 #define DEVLINK_TRAP_GENERIC_NAME_TTL_ERROR \ 979 "ttl_value_is_too_small" 980 #define DEVLINK_TRAP_GENERIC_NAME_TAIL_DROP \ 981 "tail_drop" 982 #define DEVLINK_TRAP_GENERIC_NAME_NON_IP_PACKET \ 983 "non_ip" 984 #define DEVLINK_TRAP_GENERIC_NAME_UC_DIP_MC_DMAC \ 985 "uc_dip_over_mc_dmac" 986 #define DEVLINK_TRAP_GENERIC_NAME_DIP_LB \ 987 "dip_is_loopback_address" 988 #define DEVLINK_TRAP_GENERIC_NAME_SIP_MC \ 989 "sip_is_mc" 990 #define DEVLINK_TRAP_GENERIC_NAME_SIP_LB \ 991 "sip_is_loopback_address" 992 #define DEVLINK_TRAP_GENERIC_NAME_CORRUPTED_IP_HDR \ 993 "ip_header_corrupted" 994 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_SIP_BC \ 995 "ipv4_sip_is_limited_bc" 996 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_RESERVED_SCOPE \ 997 "ipv6_mc_dip_reserved_scope" 998 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE \ 999 "ipv6_mc_dip_interface_local_scope" 1000 #define DEVLINK_TRAP_GENERIC_NAME_MTU_ERROR \ 1001 "mtu_value_is_too_small" 1002 #define DEVLINK_TRAP_GENERIC_NAME_UNRESOLVED_NEIGH \ 1003 "unresolved_neigh" 1004 #define DEVLINK_TRAP_GENERIC_NAME_RPF \ 1005 "mc_reverse_path_forwarding" 1006 #define DEVLINK_TRAP_GENERIC_NAME_REJECT_ROUTE \ 1007 "reject_route" 1008 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_LPM_UNICAST_MISS \ 1009 "ipv4_lpm_miss" 1010 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_LPM_UNICAST_MISS \ 1011 "ipv6_lpm_miss" 1012 #define DEVLINK_TRAP_GENERIC_NAME_NON_ROUTABLE \ 1013 "non_routable_packet" 1014 #define DEVLINK_TRAP_GENERIC_NAME_DECAP_ERROR \ 1015 "decap_error" 1016 #define DEVLINK_TRAP_GENERIC_NAME_OVERLAY_SMAC_MC \ 1017 "overlay_smac_is_mc" 1018 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_FLOW_ACTION_DROP \ 1019 "ingress_flow_action_drop" 1020 #define DEVLINK_TRAP_GENERIC_NAME_EGRESS_FLOW_ACTION_DROP \ 1021 "egress_flow_action_drop" 1022 #define DEVLINK_TRAP_GENERIC_NAME_STP \ 1023 "stp" 1024 #define DEVLINK_TRAP_GENERIC_NAME_LACP \ 1025 "lacp" 1026 #define DEVLINK_TRAP_GENERIC_NAME_LLDP \ 1027 "lldp" 1028 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_QUERY \ 1029 "igmp_query" 1030 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V1_REPORT \ 1031 "igmp_v1_report" 1032 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_REPORT \ 1033 "igmp_v2_report" 1034 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V3_REPORT \ 1035 "igmp_v3_report" 1036 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_LEAVE \ 1037 "igmp_v2_leave" 1038 #define DEVLINK_TRAP_GENERIC_NAME_MLD_QUERY \ 1039 "mld_query" 1040 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_REPORT \ 1041 "mld_v1_report" 1042 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V2_REPORT \ 1043 "mld_v2_report" 1044 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_DONE \ 1045 "mld_v1_done" 1046 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_DHCP \ 1047 "ipv4_dhcp" 1048 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DHCP \ 1049 "ipv6_dhcp" 1050 #define DEVLINK_TRAP_GENERIC_NAME_ARP_REQUEST \ 1051 "arp_request" 1052 #define DEVLINK_TRAP_GENERIC_NAME_ARP_RESPONSE \ 1053 "arp_response" 1054 #define DEVLINK_TRAP_GENERIC_NAME_ARP_OVERLAY \ 1055 "arp_overlay" 1056 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_SOLICIT \ 1057 "ipv6_neigh_solicit" 1058 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_ADVERT \ 1059 "ipv6_neigh_advert" 1060 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_BFD \ 1061 "ipv4_bfd" 1062 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_BFD \ 1063 "ipv6_bfd" 1064 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_OSPF \ 1065 "ipv4_ospf" 1066 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_OSPF \ 1067 "ipv6_ospf" 1068 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_BGP \ 1069 "ipv4_bgp" 1070 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_BGP \ 1071 "ipv6_bgp" 1072 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_VRRP \ 1073 "ipv4_vrrp" 1074 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_VRRP \ 1075 "ipv6_vrrp" 1076 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_PIM \ 1077 "ipv4_pim" 1078 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_PIM \ 1079 "ipv6_pim" 1080 #define DEVLINK_TRAP_GENERIC_NAME_UC_LB \ 1081 "uc_loopback" 1082 #define DEVLINK_TRAP_GENERIC_NAME_LOCAL_ROUTE \ 1083 "local_route" 1084 #define DEVLINK_TRAP_GENERIC_NAME_EXTERNAL_ROUTE \ 1085 "external_route" 1086 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_UC_DIP_LINK_LOCAL_SCOPE \ 1087 "ipv6_uc_dip_link_local_scope" 1088 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_NODES \ 1089 "ipv6_dip_all_nodes" 1090 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_ROUTERS \ 1091 "ipv6_dip_all_routers" 1092 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_SOLICIT \ 1093 "ipv6_router_solicit" 1094 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ADVERT \ 1095 "ipv6_router_advert" 1096 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_REDIRECT \ 1097 "ipv6_redirect" 1098 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_ROUTER_ALERT \ 1099 "ipv4_router_alert" 1100 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ALERT \ 1101 "ipv6_router_alert" 1102 #define DEVLINK_TRAP_GENERIC_NAME_PTP_EVENT \ 1103 "ptp_event" 1104 #define DEVLINK_TRAP_GENERIC_NAME_PTP_GENERAL \ 1105 "ptp_general" 1106 #define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_SAMPLE \ 1107 "flow_action_sample" 1108 #define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_TRAP \ 1109 "flow_action_trap" 1110 #define DEVLINK_TRAP_GENERIC_NAME_EARLY_DROP \ 1111 "early_drop" 1112 #define DEVLINK_TRAP_GENERIC_NAME_VXLAN_PARSING \ 1113 "vxlan_parsing" 1114 #define DEVLINK_TRAP_GENERIC_NAME_LLC_SNAP_PARSING \ 1115 "llc_snap_parsing" 1116 #define DEVLINK_TRAP_GENERIC_NAME_VLAN_PARSING \ 1117 "vlan_parsing" 1118 #define DEVLINK_TRAP_GENERIC_NAME_PPPOE_PPP_PARSING \ 1119 "pppoe_ppp_parsing" 1120 #define DEVLINK_TRAP_GENERIC_NAME_MPLS_PARSING \ 1121 "mpls_parsing" 1122 #define DEVLINK_TRAP_GENERIC_NAME_ARP_PARSING \ 1123 "arp_parsing" 1124 #define DEVLINK_TRAP_GENERIC_NAME_IP_1_PARSING \ 1125 "ip_1_parsing" 1126 #define DEVLINK_TRAP_GENERIC_NAME_IP_N_PARSING \ 1127 "ip_n_parsing" 1128 #define DEVLINK_TRAP_GENERIC_NAME_GRE_PARSING \ 1129 "gre_parsing" 1130 #define DEVLINK_TRAP_GENERIC_NAME_UDP_PARSING \ 1131 "udp_parsing" 1132 #define DEVLINK_TRAP_GENERIC_NAME_TCP_PARSING \ 1133 "tcp_parsing" 1134 #define DEVLINK_TRAP_GENERIC_NAME_IPSEC_PARSING \ 1135 "ipsec_parsing" 1136 #define DEVLINK_TRAP_GENERIC_NAME_SCTP_PARSING \ 1137 "sctp_parsing" 1138 #define DEVLINK_TRAP_GENERIC_NAME_DCCP_PARSING \ 1139 "dccp_parsing" 1140 #define DEVLINK_TRAP_GENERIC_NAME_GTP_PARSING \ 1141 "gtp_parsing" 1142 #define DEVLINK_TRAP_GENERIC_NAME_ESP_PARSING \ 1143 "esp_parsing" 1144 #define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_NEXTHOP \ 1145 "blackhole_nexthop" 1146 #define DEVLINK_TRAP_GENERIC_NAME_DMAC_FILTER \ 1147 "dmac_filter" 1148 #define DEVLINK_TRAP_GENERIC_NAME_EAPOL \ 1149 "eapol" 1150 #define DEVLINK_TRAP_GENERIC_NAME_LOCKED_PORT \ 1151 "locked_port" 1152 1153 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L2_DROPS \ 1154 "l2_drops" 1155 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_DROPS \ 1156 "l3_drops" 1157 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_EXCEPTIONS \ 1158 "l3_exceptions" 1159 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BUFFER_DROPS \ 1160 "buffer_drops" 1161 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_TUNNEL_DROPS \ 1162 "tunnel_drops" 1163 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_DROPS \ 1164 "acl_drops" 1165 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_STP \ 1166 "stp" 1167 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LACP \ 1168 "lacp" 1169 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LLDP \ 1170 "lldp" 1171 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_MC_SNOOPING \ 1172 "mc_snooping" 1173 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_DHCP \ 1174 "dhcp" 1175 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_NEIGH_DISCOVERY \ 1176 "neigh_discovery" 1177 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BFD \ 1178 "bfd" 1179 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_OSPF \ 1180 "ospf" 1181 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BGP \ 1182 "bgp" 1183 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_VRRP \ 1184 "vrrp" 1185 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PIM \ 1186 "pim" 1187 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_UC_LB \ 1188 "uc_loopback" 1189 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LOCAL_DELIVERY \ 1190 "local_delivery" 1191 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_EXTERNAL_DELIVERY \ 1192 "external_delivery" 1193 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_IPV6 \ 1194 "ipv6" 1195 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_EVENT \ 1196 "ptp_event" 1197 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_GENERAL \ 1198 "ptp_general" 1199 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_SAMPLE \ 1200 "acl_sample" 1201 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_TRAP \ 1202 "acl_trap" 1203 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PARSER_ERROR_DROPS \ 1204 "parser_error_drops" 1205 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_EAPOL \ 1206 "eapol" 1207 1208 #define DEVLINK_TRAP_GENERIC(_type, _init_action, _id, _group_id, \ 1209 _metadata_cap) \ 1210 { \ 1211 .type = DEVLINK_TRAP_TYPE_##_type, \ 1212 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \ 1213 .generic = true, \ 1214 .id = DEVLINK_TRAP_GENERIC_ID_##_id, \ 1215 .name = DEVLINK_TRAP_GENERIC_NAME_##_id, \ 1216 .init_group_id = _group_id, \ 1217 .metadata_cap = _metadata_cap, \ 1218 } 1219 1220 #define DEVLINK_TRAP_DRIVER(_type, _init_action, _id, _name, _group_id, \ 1221 _metadata_cap) \ 1222 { \ 1223 .type = DEVLINK_TRAP_TYPE_##_type, \ 1224 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \ 1225 .generic = false, \ 1226 .id = _id, \ 1227 .name = _name, \ 1228 .init_group_id = _group_id, \ 1229 .metadata_cap = _metadata_cap, \ 1230 } 1231 1232 #define DEVLINK_TRAP_GROUP_GENERIC(_id, _policer_id) \ 1233 { \ 1234 .name = DEVLINK_TRAP_GROUP_GENERIC_NAME_##_id, \ 1235 .id = DEVLINK_TRAP_GROUP_GENERIC_ID_##_id, \ 1236 .generic = true, \ 1237 .init_policer_id = _policer_id, \ 1238 } 1239 1240 #define DEVLINK_TRAP_POLICER(_id, _rate, _burst, _max_rate, _min_rate, \ 1241 _max_burst, _min_burst) \ 1242 { \ 1243 .id = _id, \ 1244 .init_rate = _rate, \ 1245 .init_burst = _burst, \ 1246 .max_rate = _max_rate, \ 1247 .min_rate = _min_rate, \ 1248 .max_burst = _max_burst, \ 1249 .min_burst = _min_burst, \ 1250 } 1251 1252 enum { 1253 /* device supports reload operations */ 1254 DEVLINK_F_RELOAD = 1UL << 0, 1255 }; 1256 1257 struct devlink_ops { 1258 /** 1259 * @supported_flash_update_params: 1260 * mask of parameters supported by the driver's .flash_update 1261 * implemementation. 1262 */ 1263 u32 supported_flash_update_params; 1264 unsigned long reload_actions; 1265 unsigned long reload_limits; 1266 int (*reload_down)(struct devlink *devlink, bool netns_change, 1267 enum devlink_reload_action action, 1268 enum devlink_reload_limit limit, 1269 struct netlink_ext_ack *extack); 1270 int (*reload_up)(struct devlink *devlink, enum devlink_reload_action action, 1271 enum devlink_reload_limit limit, u32 *actions_performed, 1272 struct netlink_ext_ack *extack); 1273 int (*port_type_set)(struct devlink_port *devlink_port, 1274 enum devlink_port_type port_type); 1275 int (*port_split)(struct devlink *devlink, struct devlink_port *port, 1276 unsigned int count, struct netlink_ext_ack *extack); 1277 int (*port_unsplit)(struct devlink *devlink, struct devlink_port *port, 1278 struct netlink_ext_ack *extack); 1279 int (*sb_pool_get)(struct devlink *devlink, unsigned int sb_index, 1280 u16 pool_index, 1281 struct devlink_sb_pool_info *pool_info); 1282 int (*sb_pool_set)(struct devlink *devlink, unsigned int sb_index, 1283 u16 pool_index, u32 size, 1284 enum devlink_sb_threshold_type threshold_type, 1285 struct netlink_ext_ack *extack); 1286 int (*sb_port_pool_get)(struct devlink_port *devlink_port, 1287 unsigned int sb_index, u16 pool_index, 1288 u32 *p_threshold); 1289 int (*sb_port_pool_set)(struct devlink_port *devlink_port, 1290 unsigned int sb_index, u16 pool_index, 1291 u32 threshold, struct netlink_ext_ack *extack); 1292 int (*sb_tc_pool_bind_get)(struct devlink_port *devlink_port, 1293 unsigned int sb_index, 1294 u16 tc_index, 1295 enum devlink_sb_pool_type pool_type, 1296 u16 *p_pool_index, u32 *p_threshold); 1297 int (*sb_tc_pool_bind_set)(struct devlink_port *devlink_port, 1298 unsigned int sb_index, 1299 u16 tc_index, 1300 enum devlink_sb_pool_type pool_type, 1301 u16 pool_index, u32 threshold, 1302 struct netlink_ext_ack *extack); 1303 int (*sb_occ_snapshot)(struct devlink *devlink, 1304 unsigned int sb_index); 1305 int (*sb_occ_max_clear)(struct devlink *devlink, 1306 unsigned int sb_index); 1307 int (*sb_occ_port_pool_get)(struct devlink_port *devlink_port, 1308 unsigned int sb_index, u16 pool_index, 1309 u32 *p_cur, u32 *p_max); 1310 int (*sb_occ_tc_port_bind_get)(struct devlink_port *devlink_port, 1311 unsigned int sb_index, 1312 u16 tc_index, 1313 enum devlink_sb_pool_type pool_type, 1314 u32 *p_cur, u32 *p_max); 1315 1316 int (*eswitch_mode_get)(struct devlink *devlink, u16 *p_mode); 1317 int (*eswitch_mode_set)(struct devlink *devlink, u16 mode, 1318 struct netlink_ext_ack *extack); 1319 int (*eswitch_inline_mode_get)(struct devlink *devlink, u8 *p_inline_mode); 1320 int (*eswitch_inline_mode_set)(struct devlink *devlink, u8 inline_mode, 1321 struct netlink_ext_ack *extack); 1322 int (*eswitch_encap_mode_get)(struct devlink *devlink, 1323 enum devlink_eswitch_encap_mode *p_encap_mode); 1324 int (*eswitch_encap_mode_set)(struct devlink *devlink, 1325 enum devlink_eswitch_encap_mode encap_mode, 1326 struct netlink_ext_ack *extack); 1327 int (*info_get)(struct devlink *devlink, struct devlink_info_req *req, 1328 struct netlink_ext_ack *extack); 1329 /** 1330 * @flash_update: Device flash update function 1331 * 1332 * Used to perform a flash update for the device. The set of 1333 * parameters supported by the driver should be set in 1334 * supported_flash_update_params. 1335 */ 1336 int (*flash_update)(struct devlink *devlink, 1337 struct devlink_flash_update_params *params, 1338 struct netlink_ext_ack *extack); 1339 /** 1340 * @trap_init: Trap initialization function. 1341 * 1342 * Should be used by device drivers to initialize the trap in the 1343 * underlying device. Drivers should also store the provided trap 1344 * context, so that they could efficiently pass it to 1345 * devlink_trap_report() when the trap is triggered. 1346 */ 1347 int (*trap_init)(struct devlink *devlink, 1348 const struct devlink_trap *trap, void *trap_ctx); 1349 /** 1350 * @trap_fini: Trap de-initialization function. 1351 * 1352 * Should be used by device drivers to de-initialize the trap in the 1353 * underlying device. 1354 */ 1355 void (*trap_fini)(struct devlink *devlink, 1356 const struct devlink_trap *trap, void *trap_ctx); 1357 /** 1358 * @trap_action_set: Trap action set function. 1359 */ 1360 int (*trap_action_set)(struct devlink *devlink, 1361 const struct devlink_trap *trap, 1362 enum devlink_trap_action action, 1363 struct netlink_ext_ack *extack); 1364 /** 1365 * @trap_group_init: Trap group initialization function. 1366 * 1367 * Should be used by device drivers to initialize the trap group in the 1368 * underlying device. 1369 */ 1370 int (*trap_group_init)(struct devlink *devlink, 1371 const struct devlink_trap_group *group); 1372 /** 1373 * @trap_group_set: Trap group parameters set function. 1374 * 1375 * Note: @policer can be NULL when a policer is being unbound from 1376 * @group. 1377 */ 1378 int (*trap_group_set)(struct devlink *devlink, 1379 const struct devlink_trap_group *group, 1380 const struct devlink_trap_policer *policer, 1381 struct netlink_ext_ack *extack); 1382 /** 1383 * @trap_group_action_set: Trap group action set function. 1384 * 1385 * If this callback is populated, it will take precedence over looping 1386 * over all traps in a group and calling .trap_action_set(). 1387 */ 1388 int (*trap_group_action_set)(struct devlink *devlink, 1389 const struct devlink_trap_group *group, 1390 enum devlink_trap_action action, 1391 struct netlink_ext_ack *extack); 1392 /** 1393 * @trap_drop_counter_get: Trap drop counter get function. 1394 * 1395 * Should be used by device drivers to report number of packets 1396 * that have been dropped, and cannot be passed to the devlink 1397 * subsystem by the underlying device. 1398 */ 1399 int (*trap_drop_counter_get)(struct devlink *devlink, 1400 const struct devlink_trap *trap, 1401 u64 *p_drops); 1402 /** 1403 * @trap_policer_init: Trap policer initialization function. 1404 * 1405 * Should be used by device drivers to initialize the trap policer in 1406 * the underlying device. 1407 */ 1408 int (*trap_policer_init)(struct devlink *devlink, 1409 const struct devlink_trap_policer *policer); 1410 /** 1411 * @trap_policer_fini: Trap policer de-initialization function. 1412 * 1413 * Should be used by device drivers to de-initialize the trap policer 1414 * in the underlying device. 1415 */ 1416 void (*trap_policer_fini)(struct devlink *devlink, 1417 const struct devlink_trap_policer *policer); 1418 /** 1419 * @trap_policer_set: Trap policer parameters set function. 1420 */ 1421 int (*trap_policer_set)(struct devlink *devlink, 1422 const struct devlink_trap_policer *policer, 1423 u64 rate, u64 burst, 1424 struct netlink_ext_ack *extack); 1425 /** 1426 * @trap_policer_counter_get: Trap policer counter get function. 1427 * 1428 * Should be used by device drivers to report number of packets dropped 1429 * by the policer. 1430 */ 1431 int (*trap_policer_counter_get)(struct devlink *devlink, 1432 const struct devlink_trap_policer *policer, 1433 u64 *p_drops); 1434 /** 1435 * @port_function_hw_addr_get: Port function's hardware address get function. 1436 * 1437 * Should be used by device drivers to report the hardware address of a function managed 1438 * by the devlink port. Driver should return -EOPNOTSUPP if it doesn't support port 1439 * function handling for a particular port. 1440 * 1441 * Note: @extack can be NULL when port notifier queries the port function. 1442 */ 1443 int (*port_function_hw_addr_get)(struct devlink_port *port, u8 *hw_addr, 1444 int *hw_addr_len, 1445 struct netlink_ext_ack *extack); 1446 /** 1447 * @port_function_hw_addr_set: Port function's hardware address set function. 1448 * 1449 * Should be used by device drivers to set the hardware address of a function managed 1450 * by the devlink port. Driver should return -EOPNOTSUPP if it doesn't support port 1451 * function handling for a particular port. 1452 */ 1453 int (*port_function_hw_addr_set)(struct devlink_port *port, 1454 const u8 *hw_addr, int hw_addr_len, 1455 struct netlink_ext_ack *extack); 1456 /** 1457 * @port_fn_roce_get: Port function's roce get function. 1458 * 1459 * Query RoCE state of a function managed by the devlink port. 1460 * Return -EOPNOTSUPP if port function RoCE handling is not supported. 1461 */ 1462 int (*port_fn_roce_get)(struct devlink_port *devlink_port, 1463 bool *is_enable, 1464 struct netlink_ext_ack *extack); 1465 /** 1466 * @port_fn_roce_set: Port function's roce set function. 1467 * 1468 * Enable/Disable the RoCE state of a function managed by the devlink 1469 * port. 1470 * Return -EOPNOTSUPP if port function RoCE handling is not supported. 1471 */ 1472 int (*port_fn_roce_set)(struct devlink_port *devlink_port, 1473 bool enable, struct netlink_ext_ack *extack); 1474 /** 1475 * @port_fn_migratable_get: Port function's migratable get function. 1476 * 1477 * Query migratable state of a function managed by the devlink port. 1478 * Return -EOPNOTSUPP if port function migratable handling is not 1479 * supported. 1480 */ 1481 int (*port_fn_migratable_get)(struct devlink_port *devlink_port, 1482 bool *is_enable, 1483 struct netlink_ext_ack *extack); 1484 /** 1485 * @port_fn_migratable_set: Port function's migratable set function. 1486 * 1487 * Enable/Disable migratable state of a function managed by the devlink 1488 * port. 1489 * Return -EOPNOTSUPP if port function migratable handling is not 1490 * supported. 1491 */ 1492 int (*port_fn_migratable_set)(struct devlink_port *devlink_port, 1493 bool enable, 1494 struct netlink_ext_ack *extack); 1495 /** 1496 * port_new() - Add a new port function of a specified flavor 1497 * @devlink: Devlink instance 1498 * @attrs: attributes of the new port 1499 * @extack: extack for reporting error messages 1500 * @new_port_index: index of the new port 1501 * 1502 * Devlink core will call this device driver function upon user request 1503 * to create a new port function of a specified flavor and optional 1504 * attributes 1505 * 1506 * Notes: 1507 * - Called without devlink instance lock being held. Drivers must 1508 * implement own means of synchronization 1509 * - On success, drivers must register a port with devlink core 1510 * 1511 * Return: 0 on success, negative value otherwise. 1512 */ 1513 int (*port_new)(struct devlink *devlink, 1514 const struct devlink_port_new_attrs *attrs, 1515 struct netlink_ext_ack *extack, 1516 unsigned int *new_port_index); 1517 /** 1518 * port_del() - Delete a port function 1519 * @devlink: Devlink instance 1520 * @port_index: port function index to delete 1521 * @extack: extack for reporting error messages 1522 * 1523 * Devlink core will call this device driver function upon user request 1524 * to delete a previously created port function 1525 * 1526 * Notes: 1527 * - Called without devlink instance lock being held. Drivers must 1528 * implement own means of synchronization 1529 * - On success, drivers must unregister the corresponding devlink 1530 * port 1531 * 1532 * Return: 0 on success, negative value otherwise. 1533 */ 1534 int (*port_del)(struct devlink *devlink, unsigned int port_index, 1535 struct netlink_ext_ack *extack); 1536 /** 1537 * port_fn_state_get() - Get the state of a port function 1538 * @devlink: Devlink instance 1539 * @port: The devlink port 1540 * @state: Admin configured state 1541 * @opstate: Current operational state 1542 * @extack: extack for reporting error messages 1543 * 1544 * Reports the admin and operational state of a devlink port function 1545 * 1546 * Return: 0 on success, negative value otherwise. 1547 */ 1548 int (*port_fn_state_get)(struct devlink_port *port, 1549 enum devlink_port_fn_state *state, 1550 enum devlink_port_fn_opstate *opstate, 1551 struct netlink_ext_ack *extack); 1552 /** 1553 * port_fn_state_set() - Set the admin state of a port function 1554 * @devlink: Devlink instance 1555 * @port: The devlink port 1556 * @state: Admin state 1557 * @extack: extack for reporting error messages 1558 * 1559 * Set the admin state of a devlink port function 1560 * 1561 * Return: 0 on success, negative value otherwise. 1562 */ 1563 int (*port_fn_state_set)(struct devlink_port *port, 1564 enum devlink_port_fn_state state, 1565 struct netlink_ext_ack *extack); 1566 1567 /** 1568 * Rate control callbacks. 1569 */ 1570 int (*rate_leaf_tx_share_set)(struct devlink_rate *devlink_rate, void *priv, 1571 u64 tx_share, struct netlink_ext_ack *extack); 1572 int (*rate_leaf_tx_max_set)(struct devlink_rate *devlink_rate, void *priv, 1573 u64 tx_max, struct netlink_ext_ack *extack); 1574 int (*rate_leaf_tx_priority_set)(struct devlink_rate *devlink_rate, void *priv, 1575 u32 tx_priority, struct netlink_ext_ack *extack); 1576 int (*rate_leaf_tx_weight_set)(struct devlink_rate *devlink_rate, void *priv, 1577 u32 tx_weight, struct netlink_ext_ack *extack); 1578 int (*rate_node_tx_share_set)(struct devlink_rate *devlink_rate, void *priv, 1579 u64 tx_share, struct netlink_ext_ack *extack); 1580 int (*rate_node_tx_max_set)(struct devlink_rate *devlink_rate, void *priv, 1581 u64 tx_max, struct netlink_ext_ack *extack); 1582 int (*rate_node_tx_priority_set)(struct devlink_rate *devlink_rate, void *priv, 1583 u32 tx_priority, struct netlink_ext_ack *extack); 1584 int (*rate_node_tx_weight_set)(struct devlink_rate *devlink_rate, void *priv, 1585 u32 tx_weight, struct netlink_ext_ack *extack); 1586 int (*rate_node_new)(struct devlink_rate *rate_node, void **priv, 1587 struct netlink_ext_ack *extack); 1588 int (*rate_node_del)(struct devlink_rate *rate_node, void *priv, 1589 struct netlink_ext_ack *extack); 1590 int (*rate_leaf_parent_set)(struct devlink_rate *child, 1591 struct devlink_rate *parent, 1592 void *priv_child, void *priv_parent, 1593 struct netlink_ext_ack *extack); 1594 int (*rate_node_parent_set)(struct devlink_rate *child, 1595 struct devlink_rate *parent, 1596 void *priv_child, void *priv_parent, 1597 struct netlink_ext_ack *extack); 1598 /** 1599 * selftests_check() - queries if selftest is supported 1600 * @devlink: devlink instance 1601 * @id: test index 1602 * @extack: extack for reporting error messages 1603 * 1604 * Return: true if test is supported by the driver 1605 */ 1606 bool (*selftest_check)(struct devlink *devlink, unsigned int id, 1607 struct netlink_ext_ack *extack); 1608 /** 1609 * selftest_run() - Runs a selftest 1610 * @devlink: devlink instance 1611 * @id: test index 1612 * @extack: extack for reporting error messages 1613 * 1614 * Return: status of the test 1615 */ 1616 enum devlink_selftest_status 1617 (*selftest_run)(struct devlink *devlink, unsigned int id, 1618 struct netlink_ext_ack *extack); 1619 }; 1620 1621 void *devlink_priv(struct devlink *devlink); 1622 struct devlink *priv_to_devlink(void *priv); 1623 struct device *devlink_to_dev(const struct devlink *devlink); 1624 1625 /* Devlink instance explicit locking */ 1626 void devl_lock(struct devlink *devlink); 1627 int devl_trylock(struct devlink *devlink); 1628 void devl_unlock(struct devlink *devlink); 1629 void devl_assert_locked(struct devlink *devlink); 1630 bool devl_lock_is_held(struct devlink *devlink); 1631 1632 struct ib_device; 1633 1634 struct net *devlink_net(const struct devlink *devlink); 1635 /* This call is intended for software devices that can create 1636 * devlink instances in other namespaces than init_net. 1637 * 1638 * Drivers that operate on real HW must use devlink_alloc() instead. 1639 */ 1640 struct devlink *devlink_alloc_ns(const struct devlink_ops *ops, 1641 size_t priv_size, struct net *net, 1642 struct device *dev); 1643 static inline struct devlink *devlink_alloc(const struct devlink_ops *ops, 1644 size_t priv_size, 1645 struct device *dev) 1646 { 1647 return devlink_alloc_ns(ops, priv_size, &init_net, dev); 1648 } 1649 void devlink_set_features(struct devlink *devlink, u64 features); 1650 void devlink_register(struct devlink *devlink); 1651 void devlink_unregister(struct devlink *devlink); 1652 void devlink_free(struct devlink *devlink); 1653 void devlink_port_init(struct devlink *devlink, 1654 struct devlink_port *devlink_port); 1655 void devlink_port_fini(struct devlink_port *devlink_port); 1656 int devl_port_register(struct devlink *devlink, 1657 struct devlink_port *devlink_port, 1658 unsigned int port_index); 1659 int devlink_port_register(struct devlink *devlink, 1660 struct devlink_port *devlink_port, 1661 unsigned int port_index); 1662 void devl_port_unregister(struct devlink_port *devlink_port); 1663 void devlink_port_unregister(struct devlink_port *devlink_port); 1664 void devlink_port_type_eth_set(struct devlink_port *devlink_port); 1665 void devlink_port_type_ib_set(struct devlink_port *devlink_port, 1666 struct ib_device *ibdev); 1667 void devlink_port_type_clear(struct devlink_port *devlink_port); 1668 void devlink_port_attrs_set(struct devlink_port *devlink_port, 1669 struct devlink_port_attrs *devlink_port_attrs); 1670 void devlink_port_attrs_pci_pf_set(struct devlink_port *devlink_port, u32 controller, 1671 u16 pf, bool external); 1672 void devlink_port_attrs_pci_vf_set(struct devlink_port *devlink_port, u32 controller, 1673 u16 pf, u16 vf, bool external); 1674 void devlink_port_attrs_pci_sf_set(struct devlink_port *devlink_port, 1675 u32 controller, u16 pf, u32 sf, 1676 bool external); 1677 struct devlink_rate * 1678 devl_rate_node_create(struct devlink *devlink, void *priv, char *node_name, 1679 struct devlink_rate *parent); 1680 int 1681 devl_rate_leaf_create(struct devlink_port *devlink_port, void *priv, 1682 struct devlink_rate *parent); 1683 void devl_rate_leaf_destroy(struct devlink_port *devlink_port); 1684 void devl_rate_nodes_destroy(struct devlink *devlink); 1685 void devlink_port_linecard_set(struct devlink_port *devlink_port, 1686 struct devlink_linecard *linecard); 1687 struct devlink_linecard * 1688 devlink_linecard_create(struct devlink *devlink, unsigned int linecard_index, 1689 const struct devlink_linecard_ops *ops, void *priv); 1690 void devlink_linecard_destroy(struct devlink_linecard *linecard); 1691 void devlink_linecard_provision_set(struct devlink_linecard *linecard, 1692 const char *type); 1693 void devlink_linecard_provision_clear(struct devlink_linecard *linecard); 1694 void devlink_linecard_provision_fail(struct devlink_linecard *linecard); 1695 void devlink_linecard_activate(struct devlink_linecard *linecard); 1696 void devlink_linecard_deactivate(struct devlink_linecard *linecard); 1697 void devlink_linecard_nested_dl_set(struct devlink_linecard *linecard, 1698 struct devlink *nested_devlink); 1699 int devl_sb_register(struct devlink *devlink, unsigned int sb_index, 1700 u32 size, u16 ingress_pools_count, 1701 u16 egress_pools_count, u16 ingress_tc_count, 1702 u16 egress_tc_count); 1703 int devlink_sb_register(struct devlink *devlink, unsigned int sb_index, 1704 u32 size, u16 ingress_pools_count, 1705 u16 egress_pools_count, u16 ingress_tc_count, 1706 u16 egress_tc_count); 1707 void devl_sb_unregister(struct devlink *devlink, unsigned int sb_index); 1708 void devlink_sb_unregister(struct devlink *devlink, unsigned int sb_index); 1709 int devl_dpipe_table_register(struct devlink *devlink, 1710 const char *table_name, 1711 struct devlink_dpipe_table_ops *table_ops, 1712 void *priv, bool counter_control_extern); 1713 void devl_dpipe_table_unregister(struct devlink *devlink, 1714 const char *table_name); 1715 void devl_dpipe_headers_register(struct devlink *devlink, 1716 struct devlink_dpipe_headers *dpipe_headers); 1717 void devl_dpipe_headers_unregister(struct devlink *devlink); 1718 bool devlink_dpipe_table_counter_enabled(struct devlink *devlink, 1719 const char *table_name); 1720 int devlink_dpipe_entry_ctx_prepare(struct devlink_dpipe_dump_ctx *dump_ctx); 1721 int devlink_dpipe_entry_ctx_append(struct devlink_dpipe_dump_ctx *dump_ctx, 1722 struct devlink_dpipe_entry *entry); 1723 int devlink_dpipe_entry_ctx_close(struct devlink_dpipe_dump_ctx *dump_ctx); 1724 void devlink_dpipe_entry_clear(struct devlink_dpipe_entry *entry); 1725 int devlink_dpipe_action_put(struct sk_buff *skb, 1726 struct devlink_dpipe_action *action); 1727 int devlink_dpipe_match_put(struct sk_buff *skb, 1728 struct devlink_dpipe_match *match); 1729 extern struct devlink_dpipe_header devlink_dpipe_header_ethernet; 1730 extern struct devlink_dpipe_header devlink_dpipe_header_ipv4; 1731 extern struct devlink_dpipe_header devlink_dpipe_header_ipv6; 1732 1733 int devl_resource_register(struct devlink *devlink, 1734 const char *resource_name, 1735 u64 resource_size, 1736 u64 resource_id, 1737 u64 parent_resource_id, 1738 const struct devlink_resource_size_params *size_params); 1739 int devlink_resource_register(struct devlink *devlink, 1740 const char *resource_name, 1741 u64 resource_size, 1742 u64 resource_id, 1743 u64 parent_resource_id, 1744 const struct devlink_resource_size_params *size_params); 1745 void devl_resources_unregister(struct devlink *devlink); 1746 void devlink_resources_unregister(struct devlink *devlink); 1747 int devl_resource_size_get(struct devlink *devlink, 1748 u64 resource_id, 1749 u64 *p_resource_size); 1750 int devl_dpipe_table_resource_set(struct devlink *devlink, 1751 const char *table_name, u64 resource_id, 1752 u64 resource_units); 1753 int devlink_dpipe_table_resource_set(struct devlink *devlink, 1754 const char *table_name, u64 resource_id, 1755 u64 resource_units); 1756 void devl_resource_occ_get_register(struct devlink *devlink, 1757 u64 resource_id, 1758 devlink_resource_occ_get_t *occ_get, 1759 void *occ_get_priv); 1760 void devlink_resource_occ_get_register(struct devlink *devlink, 1761 u64 resource_id, 1762 devlink_resource_occ_get_t *occ_get, 1763 void *occ_get_priv); 1764 void devl_resource_occ_get_unregister(struct devlink *devlink, 1765 u64 resource_id); 1766 1767 void devlink_resource_occ_get_unregister(struct devlink *devlink, 1768 u64 resource_id); 1769 int devlink_params_register(struct devlink *devlink, 1770 const struct devlink_param *params, 1771 size_t params_count); 1772 void devlink_params_unregister(struct devlink *devlink, 1773 const struct devlink_param *params, 1774 size_t params_count); 1775 int devlink_param_register(struct devlink *devlink, 1776 const struct devlink_param *param); 1777 void devlink_param_unregister(struct devlink *devlink, 1778 const struct devlink_param *param); 1779 int devlink_param_driverinit_value_get(struct devlink *devlink, u32 param_id, 1780 union devlink_param_value *init_val); 1781 int devlink_param_driverinit_value_set(struct devlink *devlink, u32 param_id, 1782 union devlink_param_value init_val); 1783 void devlink_param_value_changed(struct devlink *devlink, u32 param_id); 1784 struct devlink_region *devl_region_create(struct devlink *devlink, 1785 const struct devlink_region_ops *ops, 1786 u32 region_max_snapshots, 1787 u64 region_size); 1788 struct devlink_region * 1789 devlink_region_create(struct devlink *devlink, 1790 const struct devlink_region_ops *ops, 1791 u32 region_max_snapshots, u64 region_size); 1792 struct devlink_region * 1793 devlink_port_region_create(struct devlink_port *port, 1794 const struct devlink_port_region_ops *ops, 1795 u32 region_max_snapshots, u64 region_size); 1796 void devl_region_destroy(struct devlink_region *region); 1797 void devlink_region_destroy(struct devlink_region *region); 1798 void devlink_port_region_destroy(struct devlink_region *region); 1799 1800 int devlink_region_snapshot_id_get(struct devlink *devlink, u32 *id); 1801 void devlink_region_snapshot_id_put(struct devlink *devlink, u32 id); 1802 int devlink_region_snapshot_create(struct devlink_region *region, 1803 u8 *data, u32 snapshot_id); 1804 int devlink_info_serial_number_put(struct devlink_info_req *req, 1805 const char *sn); 1806 int devlink_info_board_serial_number_put(struct devlink_info_req *req, 1807 const char *bsn); 1808 1809 enum devlink_info_version_type { 1810 DEVLINK_INFO_VERSION_TYPE_NONE, 1811 DEVLINK_INFO_VERSION_TYPE_COMPONENT, /* May be used as flash update 1812 * component by name. 1813 */ 1814 }; 1815 1816 int devlink_info_version_fixed_put(struct devlink_info_req *req, 1817 const char *version_name, 1818 const char *version_value); 1819 int devlink_info_version_stored_put(struct devlink_info_req *req, 1820 const char *version_name, 1821 const char *version_value); 1822 int devlink_info_version_stored_put_ext(struct devlink_info_req *req, 1823 const char *version_name, 1824 const char *version_value, 1825 enum devlink_info_version_type version_type); 1826 int devlink_info_version_running_put(struct devlink_info_req *req, 1827 const char *version_name, 1828 const char *version_value); 1829 int devlink_info_version_running_put_ext(struct devlink_info_req *req, 1830 const char *version_name, 1831 const char *version_value, 1832 enum devlink_info_version_type version_type); 1833 1834 int devlink_fmsg_obj_nest_start(struct devlink_fmsg *fmsg); 1835 int devlink_fmsg_obj_nest_end(struct devlink_fmsg *fmsg); 1836 1837 int devlink_fmsg_pair_nest_start(struct devlink_fmsg *fmsg, const char *name); 1838 int devlink_fmsg_pair_nest_end(struct devlink_fmsg *fmsg); 1839 1840 int devlink_fmsg_arr_pair_nest_start(struct devlink_fmsg *fmsg, 1841 const char *name); 1842 int devlink_fmsg_arr_pair_nest_end(struct devlink_fmsg *fmsg); 1843 int devlink_fmsg_binary_pair_nest_start(struct devlink_fmsg *fmsg, 1844 const char *name); 1845 int devlink_fmsg_binary_pair_nest_end(struct devlink_fmsg *fmsg); 1846 1847 int devlink_fmsg_u32_put(struct devlink_fmsg *fmsg, u32 value); 1848 int devlink_fmsg_string_put(struct devlink_fmsg *fmsg, const char *value); 1849 int devlink_fmsg_binary_put(struct devlink_fmsg *fmsg, const void *value, 1850 u16 value_len); 1851 1852 int devlink_fmsg_bool_pair_put(struct devlink_fmsg *fmsg, const char *name, 1853 bool value); 1854 int devlink_fmsg_u8_pair_put(struct devlink_fmsg *fmsg, const char *name, 1855 u8 value); 1856 int devlink_fmsg_u32_pair_put(struct devlink_fmsg *fmsg, const char *name, 1857 u32 value); 1858 int devlink_fmsg_u64_pair_put(struct devlink_fmsg *fmsg, const char *name, 1859 u64 value); 1860 int devlink_fmsg_string_pair_put(struct devlink_fmsg *fmsg, const char *name, 1861 const char *value); 1862 int devlink_fmsg_binary_pair_put(struct devlink_fmsg *fmsg, const char *name, 1863 const void *value, u32 value_len); 1864 1865 struct devlink_health_reporter * 1866 devlink_health_reporter_create(struct devlink *devlink, 1867 const struct devlink_health_reporter_ops *ops, 1868 u64 graceful_period, void *priv); 1869 1870 struct devlink_health_reporter * 1871 devlink_port_health_reporter_create(struct devlink_port *port, 1872 const struct devlink_health_reporter_ops *ops, 1873 u64 graceful_period, void *priv); 1874 1875 void 1876 devlink_health_reporter_destroy(struct devlink_health_reporter *reporter); 1877 1878 void 1879 devlink_port_health_reporter_destroy(struct devlink_health_reporter *reporter); 1880 1881 void * 1882 devlink_health_reporter_priv(struct devlink_health_reporter *reporter); 1883 int devlink_health_report(struct devlink_health_reporter *reporter, 1884 const char *msg, void *priv_ctx); 1885 void 1886 devlink_health_reporter_state_update(struct devlink_health_reporter *reporter, 1887 enum devlink_health_reporter_state state); 1888 void 1889 devlink_health_reporter_recovery_done(struct devlink_health_reporter *reporter); 1890 1891 bool devlink_is_reload_failed(const struct devlink *devlink); 1892 void devlink_remote_reload_actions_performed(struct devlink *devlink, 1893 enum devlink_reload_limit limit, 1894 u32 actions_performed); 1895 1896 void devlink_flash_update_status_notify(struct devlink *devlink, 1897 const char *status_msg, 1898 const char *component, 1899 unsigned long done, 1900 unsigned long total); 1901 void devlink_flash_update_timeout_notify(struct devlink *devlink, 1902 const char *status_msg, 1903 const char *component, 1904 unsigned long timeout); 1905 1906 int devl_traps_register(struct devlink *devlink, 1907 const struct devlink_trap *traps, 1908 size_t traps_count, void *priv); 1909 int devlink_traps_register(struct devlink *devlink, 1910 const struct devlink_trap *traps, 1911 size_t traps_count, void *priv); 1912 void devl_traps_unregister(struct devlink *devlink, 1913 const struct devlink_trap *traps, 1914 size_t traps_count); 1915 void devlink_traps_unregister(struct devlink *devlink, 1916 const struct devlink_trap *traps, 1917 size_t traps_count); 1918 void devlink_trap_report(struct devlink *devlink, struct sk_buff *skb, 1919 void *trap_ctx, struct devlink_port *in_devlink_port, 1920 const struct flow_action_cookie *fa_cookie); 1921 void *devlink_trap_ctx_priv(void *trap_ctx); 1922 int devl_trap_groups_register(struct devlink *devlink, 1923 const struct devlink_trap_group *groups, 1924 size_t groups_count); 1925 int devlink_trap_groups_register(struct devlink *devlink, 1926 const struct devlink_trap_group *groups, 1927 size_t groups_count); 1928 void devl_trap_groups_unregister(struct devlink *devlink, 1929 const struct devlink_trap_group *groups, 1930 size_t groups_count); 1931 void devlink_trap_groups_unregister(struct devlink *devlink, 1932 const struct devlink_trap_group *groups, 1933 size_t groups_count); 1934 int 1935 devl_trap_policers_register(struct devlink *devlink, 1936 const struct devlink_trap_policer *policers, 1937 size_t policers_count); 1938 void 1939 devl_trap_policers_unregister(struct devlink *devlink, 1940 const struct devlink_trap_policer *policers, 1941 size_t policers_count); 1942 1943 #if IS_ENABLED(CONFIG_NET_DEVLINK) 1944 1945 struct devlink *__must_check devlink_try_get(struct devlink *devlink); 1946 void devlink_put(struct devlink *devlink); 1947 1948 void devlink_compat_running_version(struct devlink *devlink, 1949 char *buf, size_t len); 1950 int devlink_compat_flash_update(struct devlink *devlink, const char *file_name); 1951 int devlink_compat_phys_port_name_get(struct net_device *dev, 1952 char *name, size_t len); 1953 int devlink_compat_switch_id_get(struct net_device *dev, 1954 struct netdev_phys_item_id *ppid); 1955 1956 int devlink_nl_port_handle_fill(struct sk_buff *msg, struct devlink_port *devlink_port); 1957 size_t devlink_nl_port_handle_size(struct devlink_port *devlink_port); 1958 1959 #else 1960 1961 static inline struct devlink *devlink_try_get(struct devlink *devlink) 1962 { 1963 return NULL; 1964 } 1965 1966 static inline void devlink_put(struct devlink *devlink) 1967 { 1968 } 1969 1970 static inline void 1971 devlink_compat_running_version(struct devlink *devlink, char *buf, size_t len) 1972 { 1973 } 1974 1975 static inline int 1976 devlink_compat_flash_update(struct devlink *devlink, const char *file_name) 1977 { 1978 return -EOPNOTSUPP; 1979 } 1980 1981 static inline int 1982 devlink_compat_phys_port_name_get(struct net_device *dev, 1983 char *name, size_t len) 1984 { 1985 return -EOPNOTSUPP; 1986 } 1987 1988 static inline int 1989 devlink_compat_switch_id_get(struct net_device *dev, 1990 struct netdev_phys_item_id *ppid) 1991 { 1992 return -EOPNOTSUPP; 1993 } 1994 1995 static inline int 1996 devlink_nl_port_handle_fill(struct sk_buff *msg, struct devlink_port *devlink_port) 1997 { 1998 return 0; 1999 } 2000 2001 static inline size_t devlink_nl_port_handle_size(struct devlink_port *devlink_port) 2002 { 2003 return 0; 2004 } 2005 2006 #endif 2007 2008 #endif /* _NET_DEVLINK_H_ */ 2009