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 #define DEVLINK_RELOAD_STATS_ARRAY_SIZE \ 25 (__DEVLINK_RELOAD_LIMIT_MAX * __DEVLINK_RELOAD_ACTION_MAX) 26 27 struct devlink_dev_stats { 28 u32 reload_stats[DEVLINK_RELOAD_STATS_ARRAY_SIZE]; 29 u32 remote_reload_stats[DEVLINK_RELOAD_STATS_ARRAY_SIZE]; 30 }; 31 32 struct devlink_ops; 33 34 struct devlink { 35 struct list_head list; 36 struct list_head port_list; 37 struct list_head rate_list; 38 struct list_head sb_list; 39 struct list_head dpipe_table_list; 40 struct list_head resource_list; 41 struct list_head param_list; 42 struct list_head region_list; 43 struct list_head reporter_list; 44 struct mutex reporters_lock; /* protects reporter_list */ 45 struct devlink_dpipe_headers *dpipe_headers; 46 struct list_head trap_list; 47 struct list_head trap_group_list; 48 struct list_head trap_policer_list; 49 const struct devlink_ops *ops; 50 struct xarray snapshot_ids; 51 struct devlink_dev_stats stats; 52 struct device *dev; 53 possible_net_t _net; 54 struct mutex lock; /* Serializes access to devlink instance specific objects such as 55 * port, sb, dpipe, resource, params, region, traps and more. 56 */ 57 u8 reload_failed:1, 58 reload_enabled:1, 59 registered:1; 60 char priv[0] __aligned(NETDEV_ALIGN); 61 }; 62 63 struct devlink_port_phys_attrs { 64 u32 port_number; /* Same value as "split group". 65 * A physical port which is visible to the user 66 * for a given port flavour. 67 */ 68 u32 split_subport_number; /* If the port is split, this is the number of subport. */ 69 }; 70 71 /** 72 * struct devlink_port_pci_pf_attrs - devlink port's PCI PF attributes 73 * @controller: Associated controller number 74 * @pf: Associated PCI PF number for this port. 75 * @external: when set, indicates if a port is for an external controller 76 */ 77 struct devlink_port_pci_pf_attrs { 78 u32 controller; 79 u16 pf; 80 u8 external:1; 81 }; 82 83 /** 84 * struct devlink_port_pci_vf_attrs - devlink port's PCI VF attributes 85 * @controller: Associated controller number 86 * @pf: Associated PCI PF number for this port. 87 * @vf: Associated PCI VF for of the PCI PF for this port. 88 * @external: when set, indicates if a port is for an external controller 89 */ 90 struct devlink_port_pci_vf_attrs { 91 u32 controller; 92 u16 pf; 93 u16 vf; 94 u8 external:1; 95 }; 96 97 /** 98 * struct devlink_port_pci_sf_attrs - devlink port's PCI SF attributes 99 * @controller: Associated controller number 100 * @sf: Associated PCI SF for of the PCI PF for this port. 101 * @pf: Associated PCI PF number for this port. 102 * @external: when set, indicates if a port is for an external controller 103 */ 104 struct devlink_port_pci_sf_attrs { 105 u32 controller; 106 u32 sf; 107 u16 pf; 108 u8 external:1; 109 }; 110 111 /** 112 * struct devlink_port_attrs - devlink port object 113 * @flavour: flavour of the port 114 * @split: indicates if this is split port 115 * @splittable: indicates if the port can be split. 116 * @lanes: maximum number of lanes the port supports. 0 value is not passed to netlink. 117 * @switch_id: if the port is part of switch, this is buffer with ID, otherwise this is NULL 118 * @phys: physical port attributes 119 * @pci_pf: PCI PF port attributes 120 * @pci_vf: PCI VF port attributes 121 * @pci_sf: PCI SF port attributes 122 */ 123 struct devlink_port_attrs { 124 u8 split:1, 125 splittable:1; 126 u32 lanes; 127 enum devlink_port_flavour flavour; 128 struct netdev_phys_item_id switch_id; 129 union { 130 struct devlink_port_phys_attrs phys; 131 struct devlink_port_pci_pf_attrs pci_pf; 132 struct devlink_port_pci_vf_attrs pci_vf; 133 struct devlink_port_pci_sf_attrs pci_sf; 134 }; 135 }; 136 137 struct devlink_rate { 138 struct list_head list; 139 enum devlink_rate_type type; 140 struct devlink *devlink; 141 void *priv; 142 u64 tx_share; 143 u64 tx_max; 144 145 struct devlink_rate *parent; 146 union { 147 struct devlink_port *devlink_port; 148 struct { 149 char *name; 150 refcount_t refcnt; 151 }; 152 }; 153 }; 154 155 struct devlink_port { 156 struct list_head list; 157 struct list_head param_list; 158 struct list_head region_list; 159 struct devlink *devlink; 160 unsigned int index; 161 bool registered; 162 spinlock_t type_lock; /* Protects type and type_dev 163 * pointer consistency. 164 */ 165 enum devlink_port_type type; 166 enum devlink_port_type desired_type; 167 void *type_dev; 168 struct devlink_port_attrs attrs; 169 u8 attrs_set:1, 170 switch_port:1; 171 struct delayed_work type_warn_dw; 172 struct list_head reporter_list; 173 struct mutex reporters_lock; /* Protects reporter_list */ 174 175 struct devlink_rate *devlink_rate; 176 }; 177 178 struct devlink_port_new_attrs { 179 enum devlink_port_flavour flavour; 180 unsigned int port_index; 181 u32 controller; 182 u32 sfnum; 183 u16 pfnum; 184 u8 port_index_valid:1, 185 controller_valid:1, 186 sfnum_valid:1; 187 }; 188 189 struct devlink_sb_pool_info { 190 enum devlink_sb_pool_type pool_type; 191 u32 size; 192 enum devlink_sb_threshold_type threshold_type; 193 u32 cell_size; 194 }; 195 196 /** 197 * struct devlink_dpipe_field - dpipe field object 198 * @name: field name 199 * @id: index inside the headers field array 200 * @bitwidth: bitwidth 201 * @mapping_type: mapping type 202 */ 203 struct devlink_dpipe_field { 204 const char *name; 205 unsigned int id; 206 unsigned int bitwidth; 207 enum devlink_dpipe_field_mapping_type mapping_type; 208 }; 209 210 /** 211 * struct devlink_dpipe_header - dpipe header object 212 * @name: header name 213 * @id: index, global/local detrmined by global bit 214 * @fields: fields 215 * @fields_count: number of fields 216 * @global: indicates if header is shared like most protocol header 217 * or driver specific 218 */ 219 struct devlink_dpipe_header { 220 const char *name; 221 unsigned int id; 222 struct devlink_dpipe_field *fields; 223 unsigned int fields_count; 224 bool global; 225 }; 226 227 /** 228 * struct devlink_dpipe_match - represents match operation 229 * @type: type of match 230 * @header_index: header index (packets can have several headers of same 231 * type like in case of tunnels) 232 * @header: header 233 * @fieled_id: field index 234 */ 235 struct devlink_dpipe_match { 236 enum devlink_dpipe_match_type type; 237 unsigned int header_index; 238 struct devlink_dpipe_header *header; 239 unsigned int field_id; 240 }; 241 242 /** 243 * struct devlink_dpipe_action - represents action operation 244 * @type: type of action 245 * @header_index: header index (packets can have several headers of same 246 * type like in case of tunnels) 247 * @header: header 248 * @fieled_id: field index 249 */ 250 struct devlink_dpipe_action { 251 enum devlink_dpipe_action_type type; 252 unsigned int header_index; 253 struct devlink_dpipe_header *header; 254 unsigned int field_id; 255 }; 256 257 /** 258 * struct devlink_dpipe_value - represents value of match/action 259 * @action: action 260 * @match: match 261 * @mapping_value: in case the field has some mapping this value 262 * specified the mapping value 263 * @mapping_valid: specify if mapping value is valid 264 * @value_size: value size 265 * @value: value 266 * @mask: bit mask 267 */ 268 struct devlink_dpipe_value { 269 union { 270 struct devlink_dpipe_action *action; 271 struct devlink_dpipe_match *match; 272 }; 273 unsigned int mapping_value; 274 bool mapping_valid; 275 unsigned int value_size; 276 void *value; 277 void *mask; 278 }; 279 280 /** 281 * struct devlink_dpipe_entry - table entry object 282 * @index: index of the entry in the table 283 * @match_values: match values 284 * @matche_values_count: count of matches tuples 285 * @action_values: actions values 286 * @action_values_count: count of actions values 287 * @counter: value of counter 288 * @counter_valid: Specify if value is valid from hardware 289 */ 290 struct devlink_dpipe_entry { 291 u64 index; 292 struct devlink_dpipe_value *match_values; 293 unsigned int match_values_count; 294 struct devlink_dpipe_value *action_values; 295 unsigned int action_values_count; 296 u64 counter; 297 bool counter_valid; 298 }; 299 300 /** 301 * struct devlink_dpipe_dump_ctx - context provided to driver in order 302 * to dump 303 * @info: info 304 * @cmd: devlink command 305 * @skb: skb 306 * @nest: top attribute 307 * @hdr: hdr 308 */ 309 struct devlink_dpipe_dump_ctx { 310 struct genl_info *info; 311 enum devlink_command cmd; 312 struct sk_buff *skb; 313 struct nlattr *nest; 314 void *hdr; 315 }; 316 317 struct devlink_dpipe_table_ops; 318 319 /** 320 * struct devlink_dpipe_table - table object 321 * @priv: private 322 * @name: table name 323 * @counters_enabled: indicates if counters are active 324 * @counter_control_extern: indicates if counter control is in dpipe or 325 * external tool 326 * @resource_valid: Indicate that the resource id is valid 327 * @resource_id: relative resource this table is related to 328 * @resource_units: number of resource's unit consumed per table's entry 329 * @table_ops: table operations 330 * @rcu: rcu 331 */ 332 struct devlink_dpipe_table { 333 void *priv; 334 struct list_head list; 335 const char *name; 336 bool counters_enabled; 337 bool counter_control_extern; 338 bool resource_valid; 339 u64 resource_id; 340 u64 resource_units; 341 struct devlink_dpipe_table_ops *table_ops; 342 struct rcu_head rcu; 343 }; 344 345 /** 346 * struct devlink_dpipe_table_ops - dpipe_table ops 347 * @actions_dump - dumps all tables actions 348 * @matches_dump - dumps all tables matches 349 * @entries_dump - dumps all active entries in the table 350 * @counters_set_update - when changing the counter status hardware sync 351 * maybe needed to allocate/free counter related 352 * resources 353 * @size_get - get size 354 */ 355 struct devlink_dpipe_table_ops { 356 int (*actions_dump)(void *priv, struct sk_buff *skb); 357 int (*matches_dump)(void *priv, struct sk_buff *skb); 358 int (*entries_dump)(void *priv, bool counters_enabled, 359 struct devlink_dpipe_dump_ctx *dump_ctx); 360 int (*counters_set_update)(void *priv, bool enable); 361 u64 (*size_get)(void *priv); 362 }; 363 364 /** 365 * struct devlink_dpipe_headers - dpipe headers 366 * @headers - header array can be shared (global bit) or driver specific 367 * @headers_count - count of headers 368 */ 369 struct devlink_dpipe_headers { 370 struct devlink_dpipe_header **headers; 371 unsigned int headers_count; 372 }; 373 374 /** 375 * struct devlink_resource_size_params - resource's size parameters 376 * @size_min: minimum size which can be set 377 * @size_max: maximum size which can be set 378 * @size_granularity: size granularity 379 * @size_unit: resource's basic unit 380 */ 381 struct devlink_resource_size_params { 382 u64 size_min; 383 u64 size_max; 384 u64 size_granularity; 385 enum devlink_resource_unit unit; 386 }; 387 388 static inline void 389 devlink_resource_size_params_init(struct devlink_resource_size_params *size_params, 390 u64 size_min, u64 size_max, 391 u64 size_granularity, 392 enum devlink_resource_unit unit) 393 { 394 size_params->size_min = size_min; 395 size_params->size_max = size_max; 396 size_params->size_granularity = size_granularity; 397 size_params->unit = unit; 398 } 399 400 typedef u64 devlink_resource_occ_get_t(void *priv); 401 402 /** 403 * struct devlink_resource - devlink resource 404 * @name: name of the resource 405 * @id: id, per devlink instance 406 * @size: size of the resource 407 * @size_new: updated size of the resource, reload is needed 408 * @size_valid: valid in case the total size of the resource is valid 409 * including its children 410 * @parent: parent resource 411 * @size_params: size parameters 412 * @list: parent list 413 * @resource_list: list of child resources 414 */ 415 struct devlink_resource { 416 const char *name; 417 u64 id; 418 u64 size; 419 u64 size_new; 420 bool size_valid; 421 struct devlink_resource *parent; 422 struct devlink_resource_size_params size_params; 423 struct list_head list; 424 struct list_head resource_list; 425 devlink_resource_occ_get_t *occ_get; 426 void *occ_get_priv; 427 }; 428 429 #define DEVLINK_RESOURCE_ID_PARENT_TOP 0 430 431 #define DEVLINK_RESOURCE_GENERIC_NAME_PORTS "physical_ports" 432 433 #define __DEVLINK_PARAM_MAX_STRING_VALUE 32 434 enum devlink_param_type { 435 DEVLINK_PARAM_TYPE_U8, 436 DEVLINK_PARAM_TYPE_U16, 437 DEVLINK_PARAM_TYPE_U32, 438 DEVLINK_PARAM_TYPE_STRING, 439 DEVLINK_PARAM_TYPE_BOOL, 440 }; 441 442 union devlink_param_value { 443 u8 vu8; 444 u16 vu16; 445 u32 vu32; 446 char vstr[__DEVLINK_PARAM_MAX_STRING_VALUE]; 447 bool vbool; 448 }; 449 450 struct devlink_param_gset_ctx { 451 union devlink_param_value val; 452 enum devlink_param_cmode cmode; 453 }; 454 455 /** 456 * struct devlink_flash_notify - devlink dev flash notify data 457 * @status_msg: current status string 458 * @component: firmware component being updated 459 * @done: amount of work completed of total amount 460 * @total: amount of work expected to be done 461 * @timeout: expected max timeout in seconds 462 * 463 * These are values to be given to userland to be displayed in order 464 * to show current activity in a firmware update process. 465 */ 466 struct devlink_flash_notify { 467 const char *status_msg; 468 const char *component; 469 unsigned long done; 470 unsigned long total; 471 unsigned long timeout; 472 }; 473 474 /** 475 * struct devlink_param - devlink configuration parameter data 476 * @name: name of the parameter 477 * @generic: indicates if the parameter is generic or driver specific 478 * @type: parameter type 479 * @supported_cmodes: bitmap of supported configuration modes 480 * @get: get parameter value, used for runtime and permanent 481 * configuration modes 482 * @set: set parameter value, used for runtime and permanent 483 * configuration modes 484 * @validate: validate input value is applicable (within value range, etc.) 485 * 486 * This struct should be used by the driver to fill the data for 487 * a parameter it registers. 488 */ 489 struct devlink_param { 490 u32 id; 491 const char *name; 492 bool generic; 493 enum devlink_param_type type; 494 unsigned long supported_cmodes; 495 int (*get)(struct devlink *devlink, u32 id, 496 struct devlink_param_gset_ctx *ctx); 497 int (*set)(struct devlink *devlink, u32 id, 498 struct devlink_param_gset_ctx *ctx); 499 int (*validate)(struct devlink *devlink, u32 id, 500 union devlink_param_value val, 501 struct netlink_ext_ack *extack); 502 }; 503 504 struct devlink_param_item { 505 struct list_head list; 506 const struct devlink_param *param; 507 union devlink_param_value driverinit_value; 508 bool driverinit_value_valid; 509 bool published; 510 }; 511 512 enum devlink_param_generic_id { 513 DEVLINK_PARAM_GENERIC_ID_INT_ERR_RESET, 514 DEVLINK_PARAM_GENERIC_ID_MAX_MACS, 515 DEVLINK_PARAM_GENERIC_ID_ENABLE_SRIOV, 516 DEVLINK_PARAM_GENERIC_ID_REGION_SNAPSHOT, 517 DEVLINK_PARAM_GENERIC_ID_IGNORE_ARI, 518 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX, 519 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN, 520 DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY, 521 DEVLINK_PARAM_GENERIC_ID_RESET_DEV_ON_DRV_PROBE, 522 DEVLINK_PARAM_GENERIC_ID_ENABLE_ROCE, 523 DEVLINK_PARAM_GENERIC_ID_ENABLE_REMOTE_DEV_RESET, 524 525 /* add new param generic ids above here*/ 526 __DEVLINK_PARAM_GENERIC_ID_MAX, 527 DEVLINK_PARAM_GENERIC_ID_MAX = __DEVLINK_PARAM_GENERIC_ID_MAX - 1, 528 }; 529 530 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_NAME "internal_error_reset" 531 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL 532 533 #define DEVLINK_PARAM_GENERIC_MAX_MACS_NAME "max_macs" 534 #define DEVLINK_PARAM_GENERIC_MAX_MACS_TYPE DEVLINK_PARAM_TYPE_U32 535 536 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_NAME "enable_sriov" 537 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_TYPE DEVLINK_PARAM_TYPE_BOOL 538 539 #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_NAME "region_snapshot_enable" 540 #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_TYPE DEVLINK_PARAM_TYPE_BOOL 541 542 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_NAME "ignore_ari" 543 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_TYPE DEVLINK_PARAM_TYPE_BOOL 544 545 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_NAME "msix_vec_per_pf_max" 546 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_TYPE DEVLINK_PARAM_TYPE_U32 547 548 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_NAME "msix_vec_per_pf_min" 549 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_TYPE DEVLINK_PARAM_TYPE_U32 550 551 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_NAME "fw_load_policy" 552 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_TYPE DEVLINK_PARAM_TYPE_U8 553 554 #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_NAME \ 555 "reset_dev_on_drv_probe" 556 #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_TYPE DEVLINK_PARAM_TYPE_U8 557 558 #define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_NAME "enable_roce" 559 #define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_TYPE DEVLINK_PARAM_TYPE_BOOL 560 561 #define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_NAME "enable_remote_dev_reset" 562 #define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL 563 564 #define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate) \ 565 { \ 566 .id = DEVLINK_PARAM_GENERIC_ID_##_id, \ 567 .name = DEVLINK_PARAM_GENERIC_##_id##_NAME, \ 568 .type = DEVLINK_PARAM_GENERIC_##_id##_TYPE, \ 569 .generic = true, \ 570 .supported_cmodes = _cmodes, \ 571 .get = _get, \ 572 .set = _set, \ 573 .validate = _validate, \ 574 } 575 576 #define DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, _get, _set, _validate) \ 577 { \ 578 .id = _id, \ 579 .name = _name, \ 580 .type = _type, \ 581 .supported_cmodes = _cmodes, \ 582 .get = _get, \ 583 .set = _set, \ 584 .validate = _validate, \ 585 } 586 587 /* Part number, identifier of board design */ 588 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_ID "board.id" 589 /* Revision of board design */ 590 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_REV "board.rev" 591 /* Maker of the board */ 592 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_MANUFACTURE "board.manufacture" 593 594 /* Part number, identifier of asic design */ 595 #define DEVLINK_INFO_VERSION_GENERIC_ASIC_ID "asic.id" 596 /* Revision of asic design */ 597 #define DEVLINK_INFO_VERSION_GENERIC_ASIC_REV "asic.rev" 598 599 /* Overall FW version */ 600 #define DEVLINK_INFO_VERSION_GENERIC_FW "fw" 601 /* Control processor FW version */ 602 #define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT "fw.mgmt" 603 /* FW interface specification version */ 604 #define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT_API "fw.mgmt.api" 605 /* Data path microcode controlling high-speed packet processing */ 606 #define DEVLINK_INFO_VERSION_GENERIC_FW_APP "fw.app" 607 /* UNDI software version */ 608 #define DEVLINK_INFO_VERSION_GENERIC_FW_UNDI "fw.undi" 609 /* NCSI support/handler version */ 610 #define DEVLINK_INFO_VERSION_GENERIC_FW_NCSI "fw.ncsi" 611 /* FW parameter set id */ 612 #define DEVLINK_INFO_VERSION_GENERIC_FW_PSID "fw.psid" 613 /* RoCE FW version */ 614 #define DEVLINK_INFO_VERSION_GENERIC_FW_ROCE "fw.roce" 615 /* Firmware bundle identifier */ 616 #define DEVLINK_INFO_VERSION_GENERIC_FW_BUNDLE_ID "fw.bundle_id" 617 618 /** 619 * struct devlink_flash_update_params - Flash Update parameters 620 * @fw: pointer to the firmware data to update from 621 * @component: the flash component to update 622 * 623 * With the exception of fw, drivers must opt-in to parameters by 624 * setting the appropriate bit in the supported_flash_update_params field in 625 * their devlink_ops structure. 626 */ 627 struct devlink_flash_update_params { 628 const struct firmware *fw; 629 const char *component; 630 u32 overwrite_mask; 631 }; 632 633 #define DEVLINK_SUPPORT_FLASH_UPDATE_COMPONENT BIT(0) 634 #define DEVLINK_SUPPORT_FLASH_UPDATE_OVERWRITE_MASK BIT(1) 635 636 struct devlink_region; 637 struct devlink_info_req; 638 639 /** 640 * struct devlink_region_ops - Region operations 641 * @name: region name 642 * @destructor: callback used to free snapshot memory when deleting 643 * @snapshot: callback to request an immediate snapshot. On success, 644 * the data variable must be updated to point to the snapshot data. 645 * The function will be called while the devlink instance lock is 646 * held. 647 * @priv: Pointer to driver private data for the region operation 648 */ 649 struct devlink_region_ops { 650 const char *name; 651 void (*destructor)(const void *data); 652 int (*snapshot)(struct devlink *devlink, 653 const struct devlink_region_ops *ops, 654 struct netlink_ext_ack *extack, 655 u8 **data); 656 void *priv; 657 }; 658 659 /** 660 * struct devlink_port_region_ops - Region operations for a port 661 * @name: region name 662 * @destructor: callback used to free snapshot memory when deleting 663 * @snapshot: callback to request an immediate snapshot. On success, 664 * the data variable must be updated to point to the snapshot data. 665 * The function will be called while the devlink instance lock is 666 * held. 667 * @priv: Pointer to driver private data for the region operation 668 */ 669 struct devlink_port_region_ops { 670 const char *name; 671 void (*destructor)(const void *data); 672 int (*snapshot)(struct devlink_port *port, 673 const struct devlink_port_region_ops *ops, 674 struct netlink_ext_ack *extack, 675 u8 **data); 676 void *priv; 677 }; 678 679 struct devlink_fmsg; 680 struct devlink_health_reporter; 681 682 enum devlink_health_reporter_state { 683 DEVLINK_HEALTH_REPORTER_STATE_HEALTHY, 684 DEVLINK_HEALTH_REPORTER_STATE_ERROR, 685 }; 686 687 /** 688 * struct devlink_health_reporter_ops - Reporter operations 689 * @name: reporter name 690 * @recover: callback to recover from reported error 691 * if priv_ctx is NULL, run a full recover 692 * @dump: callback to dump an object 693 * if priv_ctx is NULL, run a full dump 694 * @diagnose: callback to diagnose the current status 695 * @test: callback to trigger a test event 696 */ 697 698 struct devlink_health_reporter_ops { 699 char *name; 700 int (*recover)(struct devlink_health_reporter *reporter, 701 void *priv_ctx, struct netlink_ext_ack *extack); 702 int (*dump)(struct devlink_health_reporter *reporter, 703 struct devlink_fmsg *fmsg, void *priv_ctx, 704 struct netlink_ext_ack *extack); 705 int (*diagnose)(struct devlink_health_reporter *reporter, 706 struct devlink_fmsg *fmsg, 707 struct netlink_ext_ack *extack); 708 int (*test)(struct devlink_health_reporter *reporter, 709 struct netlink_ext_ack *extack); 710 }; 711 712 /** 713 * struct devlink_trap_metadata - Packet trap metadata. 714 * @trap_name: Trap name. 715 * @trap_group_name: Trap group name. 716 * @input_dev: Input netdevice. 717 * @fa_cookie: Flow action user cookie. 718 * @trap_type: Trap type. 719 */ 720 struct devlink_trap_metadata { 721 const char *trap_name; 722 const char *trap_group_name; 723 struct net_device *input_dev; 724 const struct flow_action_cookie *fa_cookie; 725 enum devlink_trap_type trap_type; 726 }; 727 728 /** 729 * struct devlink_trap_policer - Immutable packet trap policer attributes. 730 * @id: Policer identifier. 731 * @init_rate: Initial rate in packets / sec. 732 * @init_burst: Initial burst size in packets. 733 * @max_rate: Maximum rate. 734 * @min_rate: Minimum rate. 735 * @max_burst: Maximum burst size. 736 * @min_burst: Minimum burst size. 737 * 738 * Describes immutable attributes of packet trap policers that drivers register 739 * with devlink. 740 */ 741 struct devlink_trap_policer { 742 u32 id; 743 u64 init_rate; 744 u64 init_burst; 745 u64 max_rate; 746 u64 min_rate; 747 u64 max_burst; 748 u64 min_burst; 749 }; 750 751 /** 752 * struct devlink_trap_group - Immutable packet trap group attributes. 753 * @name: Trap group name. 754 * @id: Trap group identifier. 755 * @generic: Whether the trap group is generic or not. 756 * @init_policer_id: Initial policer identifier. 757 * 758 * Describes immutable attributes of packet trap groups that drivers register 759 * with devlink. 760 */ 761 struct devlink_trap_group { 762 const char *name; 763 u16 id; 764 bool generic; 765 u32 init_policer_id; 766 }; 767 768 #define DEVLINK_TRAP_METADATA_TYPE_F_IN_PORT BIT(0) 769 #define DEVLINK_TRAP_METADATA_TYPE_F_FA_COOKIE BIT(1) 770 771 /** 772 * struct devlink_trap - Immutable packet trap attributes. 773 * @type: Trap type. 774 * @init_action: Initial trap action. 775 * @generic: Whether the trap is generic or not. 776 * @id: Trap identifier. 777 * @name: Trap name. 778 * @init_group_id: Initial group identifier. 779 * @metadata_cap: Metadata types that can be provided by the trap. 780 * 781 * Describes immutable attributes of packet traps that drivers register with 782 * devlink. 783 */ 784 struct devlink_trap { 785 enum devlink_trap_type type; 786 enum devlink_trap_action init_action; 787 bool generic; 788 u16 id; 789 const char *name; 790 u16 init_group_id; 791 u32 metadata_cap; 792 }; 793 794 /* All traps must be documented in 795 * Documentation/networking/devlink/devlink-trap.rst 796 */ 797 enum devlink_trap_generic_id { 798 DEVLINK_TRAP_GENERIC_ID_SMAC_MC, 799 DEVLINK_TRAP_GENERIC_ID_VLAN_TAG_MISMATCH, 800 DEVLINK_TRAP_GENERIC_ID_INGRESS_VLAN_FILTER, 801 DEVLINK_TRAP_GENERIC_ID_INGRESS_STP_FILTER, 802 DEVLINK_TRAP_GENERIC_ID_EMPTY_TX_LIST, 803 DEVLINK_TRAP_GENERIC_ID_PORT_LOOPBACK_FILTER, 804 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_ROUTE, 805 DEVLINK_TRAP_GENERIC_ID_TTL_ERROR, 806 DEVLINK_TRAP_GENERIC_ID_TAIL_DROP, 807 DEVLINK_TRAP_GENERIC_ID_NON_IP_PACKET, 808 DEVLINK_TRAP_GENERIC_ID_UC_DIP_MC_DMAC, 809 DEVLINK_TRAP_GENERIC_ID_DIP_LB, 810 DEVLINK_TRAP_GENERIC_ID_SIP_MC, 811 DEVLINK_TRAP_GENERIC_ID_SIP_LB, 812 DEVLINK_TRAP_GENERIC_ID_CORRUPTED_IP_HDR, 813 DEVLINK_TRAP_GENERIC_ID_IPV4_SIP_BC, 814 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_RESERVED_SCOPE, 815 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE, 816 DEVLINK_TRAP_GENERIC_ID_MTU_ERROR, 817 DEVLINK_TRAP_GENERIC_ID_UNRESOLVED_NEIGH, 818 DEVLINK_TRAP_GENERIC_ID_RPF, 819 DEVLINK_TRAP_GENERIC_ID_REJECT_ROUTE, 820 DEVLINK_TRAP_GENERIC_ID_IPV4_LPM_UNICAST_MISS, 821 DEVLINK_TRAP_GENERIC_ID_IPV6_LPM_UNICAST_MISS, 822 DEVLINK_TRAP_GENERIC_ID_NON_ROUTABLE, 823 DEVLINK_TRAP_GENERIC_ID_DECAP_ERROR, 824 DEVLINK_TRAP_GENERIC_ID_OVERLAY_SMAC_MC, 825 DEVLINK_TRAP_GENERIC_ID_INGRESS_FLOW_ACTION_DROP, 826 DEVLINK_TRAP_GENERIC_ID_EGRESS_FLOW_ACTION_DROP, 827 DEVLINK_TRAP_GENERIC_ID_STP, 828 DEVLINK_TRAP_GENERIC_ID_LACP, 829 DEVLINK_TRAP_GENERIC_ID_LLDP, 830 DEVLINK_TRAP_GENERIC_ID_IGMP_QUERY, 831 DEVLINK_TRAP_GENERIC_ID_IGMP_V1_REPORT, 832 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_REPORT, 833 DEVLINK_TRAP_GENERIC_ID_IGMP_V3_REPORT, 834 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_LEAVE, 835 DEVLINK_TRAP_GENERIC_ID_MLD_QUERY, 836 DEVLINK_TRAP_GENERIC_ID_MLD_V1_REPORT, 837 DEVLINK_TRAP_GENERIC_ID_MLD_V2_REPORT, 838 DEVLINK_TRAP_GENERIC_ID_MLD_V1_DONE, 839 DEVLINK_TRAP_GENERIC_ID_IPV4_DHCP, 840 DEVLINK_TRAP_GENERIC_ID_IPV6_DHCP, 841 DEVLINK_TRAP_GENERIC_ID_ARP_REQUEST, 842 DEVLINK_TRAP_GENERIC_ID_ARP_RESPONSE, 843 DEVLINK_TRAP_GENERIC_ID_ARP_OVERLAY, 844 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_SOLICIT, 845 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_ADVERT, 846 DEVLINK_TRAP_GENERIC_ID_IPV4_BFD, 847 DEVLINK_TRAP_GENERIC_ID_IPV6_BFD, 848 DEVLINK_TRAP_GENERIC_ID_IPV4_OSPF, 849 DEVLINK_TRAP_GENERIC_ID_IPV6_OSPF, 850 DEVLINK_TRAP_GENERIC_ID_IPV4_BGP, 851 DEVLINK_TRAP_GENERIC_ID_IPV6_BGP, 852 DEVLINK_TRAP_GENERIC_ID_IPV4_VRRP, 853 DEVLINK_TRAP_GENERIC_ID_IPV6_VRRP, 854 DEVLINK_TRAP_GENERIC_ID_IPV4_PIM, 855 DEVLINK_TRAP_GENERIC_ID_IPV6_PIM, 856 DEVLINK_TRAP_GENERIC_ID_UC_LB, 857 DEVLINK_TRAP_GENERIC_ID_LOCAL_ROUTE, 858 DEVLINK_TRAP_GENERIC_ID_EXTERNAL_ROUTE, 859 DEVLINK_TRAP_GENERIC_ID_IPV6_UC_DIP_LINK_LOCAL_SCOPE, 860 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_NODES, 861 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_ROUTERS, 862 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_SOLICIT, 863 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ADVERT, 864 DEVLINK_TRAP_GENERIC_ID_IPV6_REDIRECT, 865 DEVLINK_TRAP_GENERIC_ID_IPV4_ROUTER_ALERT, 866 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ALERT, 867 DEVLINK_TRAP_GENERIC_ID_PTP_EVENT, 868 DEVLINK_TRAP_GENERIC_ID_PTP_GENERAL, 869 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_SAMPLE, 870 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_TRAP, 871 DEVLINK_TRAP_GENERIC_ID_EARLY_DROP, 872 DEVLINK_TRAP_GENERIC_ID_VXLAN_PARSING, 873 DEVLINK_TRAP_GENERIC_ID_LLC_SNAP_PARSING, 874 DEVLINK_TRAP_GENERIC_ID_VLAN_PARSING, 875 DEVLINK_TRAP_GENERIC_ID_PPPOE_PPP_PARSING, 876 DEVLINK_TRAP_GENERIC_ID_MPLS_PARSING, 877 DEVLINK_TRAP_GENERIC_ID_ARP_PARSING, 878 DEVLINK_TRAP_GENERIC_ID_IP_1_PARSING, 879 DEVLINK_TRAP_GENERIC_ID_IP_N_PARSING, 880 DEVLINK_TRAP_GENERIC_ID_GRE_PARSING, 881 DEVLINK_TRAP_GENERIC_ID_UDP_PARSING, 882 DEVLINK_TRAP_GENERIC_ID_TCP_PARSING, 883 DEVLINK_TRAP_GENERIC_ID_IPSEC_PARSING, 884 DEVLINK_TRAP_GENERIC_ID_SCTP_PARSING, 885 DEVLINK_TRAP_GENERIC_ID_DCCP_PARSING, 886 DEVLINK_TRAP_GENERIC_ID_GTP_PARSING, 887 DEVLINK_TRAP_GENERIC_ID_ESP_PARSING, 888 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_NEXTHOP, 889 DEVLINK_TRAP_GENERIC_ID_DMAC_FILTER, 890 891 /* Add new generic trap IDs above */ 892 __DEVLINK_TRAP_GENERIC_ID_MAX, 893 DEVLINK_TRAP_GENERIC_ID_MAX = __DEVLINK_TRAP_GENERIC_ID_MAX - 1, 894 }; 895 896 /* All trap groups must be documented in 897 * Documentation/networking/devlink/devlink-trap.rst 898 */ 899 enum devlink_trap_group_generic_id { 900 DEVLINK_TRAP_GROUP_GENERIC_ID_L2_DROPS, 901 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_DROPS, 902 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_EXCEPTIONS, 903 DEVLINK_TRAP_GROUP_GENERIC_ID_BUFFER_DROPS, 904 DEVLINK_TRAP_GROUP_GENERIC_ID_TUNNEL_DROPS, 905 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_DROPS, 906 DEVLINK_TRAP_GROUP_GENERIC_ID_STP, 907 DEVLINK_TRAP_GROUP_GENERIC_ID_LACP, 908 DEVLINK_TRAP_GROUP_GENERIC_ID_LLDP, 909 DEVLINK_TRAP_GROUP_GENERIC_ID_MC_SNOOPING, 910 DEVLINK_TRAP_GROUP_GENERIC_ID_DHCP, 911 DEVLINK_TRAP_GROUP_GENERIC_ID_NEIGH_DISCOVERY, 912 DEVLINK_TRAP_GROUP_GENERIC_ID_BFD, 913 DEVLINK_TRAP_GROUP_GENERIC_ID_OSPF, 914 DEVLINK_TRAP_GROUP_GENERIC_ID_BGP, 915 DEVLINK_TRAP_GROUP_GENERIC_ID_VRRP, 916 DEVLINK_TRAP_GROUP_GENERIC_ID_PIM, 917 DEVLINK_TRAP_GROUP_GENERIC_ID_UC_LB, 918 DEVLINK_TRAP_GROUP_GENERIC_ID_LOCAL_DELIVERY, 919 DEVLINK_TRAP_GROUP_GENERIC_ID_EXTERNAL_DELIVERY, 920 DEVLINK_TRAP_GROUP_GENERIC_ID_IPV6, 921 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_EVENT, 922 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_GENERAL, 923 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_SAMPLE, 924 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_TRAP, 925 DEVLINK_TRAP_GROUP_GENERIC_ID_PARSER_ERROR_DROPS, 926 927 /* Add new generic trap group IDs above */ 928 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX, 929 DEVLINK_TRAP_GROUP_GENERIC_ID_MAX = 930 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX - 1, 931 }; 932 933 #define DEVLINK_TRAP_GENERIC_NAME_SMAC_MC \ 934 "source_mac_is_multicast" 935 #define DEVLINK_TRAP_GENERIC_NAME_VLAN_TAG_MISMATCH \ 936 "vlan_tag_mismatch" 937 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_VLAN_FILTER \ 938 "ingress_vlan_filter" 939 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_STP_FILTER \ 940 "ingress_spanning_tree_filter" 941 #define DEVLINK_TRAP_GENERIC_NAME_EMPTY_TX_LIST \ 942 "port_list_is_empty" 943 #define DEVLINK_TRAP_GENERIC_NAME_PORT_LOOPBACK_FILTER \ 944 "port_loopback_filter" 945 #define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_ROUTE \ 946 "blackhole_route" 947 #define DEVLINK_TRAP_GENERIC_NAME_TTL_ERROR \ 948 "ttl_value_is_too_small" 949 #define DEVLINK_TRAP_GENERIC_NAME_TAIL_DROP \ 950 "tail_drop" 951 #define DEVLINK_TRAP_GENERIC_NAME_NON_IP_PACKET \ 952 "non_ip" 953 #define DEVLINK_TRAP_GENERIC_NAME_UC_DIP_MC_DMAC \ 954 "uc_dip_over_mc_dmac" 955 #define DEVLINK_TRAP_GENERIC_NAME_DIP_LB \ 956 "dip_is_loopback_address" 957 #define DEVLINK_TRAP_GENERIC_NAME_SIP_MC \ 958 "sip_is_mc" 959 #define DEVLINK_TRAP_GENERIC_NAME_SIP_LB \ 960 "sip_is_loopback_address" 961 #define DEVLINK_TRAP_GENERIC_NAME_CORRUPTED_IP_HDR \ 962 "ip_header_corrupted" 963 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_SIP_BC \ 964 "ipv4_sip_is_limited_bc" 965 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_RESERVED_SCOPE \ 966 "ipv6_mc_dip_reserved_scope" 967 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE \ 968 "ipv6_mc_dip_interface_local_scope" 969 #define DEVLINK_TRAP_GENERIC_NAME_MTU_ERROR \ 970 "mtu_value_is_too_small" 971 #define DEVLINK_TRAP_GENERIC_NAME_UNRESOLVED_NEIGH \ 972 "unresolved_neigh" 973 #define DEVLINK_TRAP_GENERIC_NAME_RPF \ 974 "mc_reverse_path_forwarding" 975 #define DEVLINK_TRAP_GENERIC_NAME_REJECT_ROUTE \ 976 "reject_route" 977 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_LPM_UNICAST_MISS \ 978 "ipv4_lpm_miss" 979 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_LPM_UNICAST_MISS \ 980 "ipv6_lpm_miss" 981 #define DEVLINK_TRAP_GENERIC_NAME_NON_ROUTABLE \ 982 "non_routable_packet" 983 #define DEVLINK_TRAP_GENERIC_NAME_DECAP_ERROR \ 984 "decap_error" 985 #define DEVLINK_TRAP_GENERIC_NAME_OVERLAY_SMAC_MC \ 986 "overlay_smac_is_mc" 987 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_FLOW_ACTION_DROP \ 988 "ingress_flow_action_drop" 989 #define DEVLINK_TRAP_GENERIC_NAME_EGRESS_FLOW_ACTION_DROP \ 990 "egress_flow_action_drop" 991 #define DEVLINK_TRAP_GENERIC_NAME_STP \ 992 "stp" 993 #define DEVLINK_TRAP_GENERIC_NAME_LACP \ 994 "lacp" 995 #define DEVLINK_TRAP_GENERIC_NAME_LLDP \ 996 "lldp" 997 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_QUERY \ 998 "igmp_query" 999 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V1_REPORT \ 1000 "igmp_v1_report" 1001 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_REPORT \ 1002 "igmp_v2_report" 1003 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V3_REPORT \ 1004 "igmp_v3_report" 1005 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_LEAVE \ 1006 "igmp_v2_leave" 1007 #define DEVLINK_TRAP_GENERIC_NAME_MLD_QUERY \ 1008 "mld_query" 1009 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_REPORT \ 1010 "mld_v1_report" 1011 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V2_REPORT \ 1012 "mld_v2_report" 1013 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_DONE \ 1014 "mld_v1_done" 1015 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_DHCP \ 1016 "ipv4_dhcp" 1017 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DHCP \ 1018 "ipv6_dhcp" 1019 #define DEVLINK_TRAP_GENERIC_NAME_ARP_REQUEST \ 1020 "arp_request" 1021 #define DEVLINK_TRAP_GENERIC_NAME_ARP_RESPONSE \ 1022 "arp_response" 1023 #define DEVLINK_TRAP_GENERIC_NAME_ARP_OVERLAY \ 1024 "arp_overlay" 1025 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_SOLICIT \ 1026 "ipv6_neigh_solicit" 1027 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_ADVERT \ 1028 "ipv6_neigh_advert" 1029 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_BFD \ 1030 "ipv4_bfd" 1031 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_BFD \ 1032 "ipv6_bfd" 1033 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_OSPF \ 1034 "ipv4_ospf" 1035 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_OSPF \ 1036 "ipv6_ospf" 1037 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_BGP \ 1038 "ipv4_bgp" 1039 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_BGP \ 1040 "ipv6_bgp" 1041 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_VRRP \ 1042 "ipv4_vrrp" 1043 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_VRRP \ 1044 "ipv6_vrrp" 1045 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_PIM \ 1046 "ipv4_pim" 1047 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_PIM \ 1048 "ipv6_pim" 1049 #define DEVLINK_TRAP_GENERIC_NAME_UC_LB \ 1050 "uc_loopback" 1051 #define DEVLINK_TRAP_GENERIC_NAME_LOCAL_ROUTE \ 1052 "local_route" 1053 #define DEVLINK_TRAP_GENERIC_NAME_EXTERNAL_ROUTE \ 1054 "external_route" 1055 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_UC_DIP_LINK_LOCAL_SCOPE \ 1056 "ipv6_uc_dip_link_local_scope" 1057 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_NODES \ 1058 "ipv6_dip_all_nodes" 1059 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_ROUTERS \ 1060 "ipv6_dip_all_routers" 1061 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_SOLICIT \ 1062 "ipv6_router_solicit" 1063 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ADVERT \ 1064 "ipv6_router_advert" 1065 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_REDIRECT \ 1066 "ipv6_redirect" 1067 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_ROUTER_ALERT \ 1068 "ipv4_router_alert" 1069 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ALERT \ 1070 "ipv6_router_alert" 1071 #define DEVLINK_TRAP_GENERIC_NAME_PTP_EVENT \ 1072 "ptp_event" 1073 #define DEVLINK_TRAP_GENERIC_NAME_PTP_GENERAL \ 1074 "ptp_general" 1075 #define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_SAMPLE \ 1076 "flow_action_sample" 1077 #define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_TRAP \ 1078 "flow_action_trap" 1079 #define DEVLINK_TRAP_GENERIC_NAME_EARLY_DROP \ 1080 "early_drop" 1081 #define DEVLINK_TRAP_GENERIC_NAME_VXLAN_PARSING \ 1082 "vxlan_parsing" 1083 #define DEVLINK_TRAP_GENERIC_NAME_LLC_SNAP_PARSING \ 1084 "llc_snap_parsing" 1085 #define DEVLINK_TRAP_GENERIC_NAME_VLAN_PARSING \ 1086 "vlan_parsing" 1087 #define DEVLINK_TRAP_GENERIC_NAME_PPPOE_PPP_PARSING \ 1088 "pppoe_ppp_parsing" 1089 #define DEVLINK_TRAP_GENERIC_NAME_MPLS_PARSING \ 1090 "mpls_parsing" 1091 #define DEVLINK_TRAP_GENERIC_NAME_ARP_PARSING \ 1092 "arp_parsing" 1093 #define DEVLINK_TRAP_GENERIC_NAME_IP_1_PARSING \ 1094 "ip_1_parsing" 1095 #define DEVLINK_TRAP_GENERIC_NAME_IP_N_PARSING \ 1096 "ip_n_parsing" 1097 #define DEVLINK_TRAP_GENERIC_NAME_GRE_PARSING \ 1098 "gre_parsing" 1099 #define DEVLINK_TRAP_GENERIC_NAME_UDP_PARSING \ 1100 "udp_parsing" 1101 #define DEVLINK_TRAP_GENERIC_NAME_TCP_PARSING \ 1102 "tcp_parsing" 1103 #define DEVLINK_TRAP_GENERIC_NAME_IPSEC_PARSING \ 1104 "ipsec_parsing" 1105 #define DEVLINK_TRAP_GENERIC_NAME_SCTP_PARSING \ 1106 "sctp_parsing" 1107 #define DEVLINK_TRAP_GENERIC_NAME_DCCP_PARSING \ 1108 "dccp_parsing" 1109 #define DEVLINK_TRAP_GENERIC_NAME_GTP_PARSING \ 1110 "gtp_parsing" 1111 #define DEVLINK_TRAP_GENERIC_NAME_ESP_PARSING \ 1112 "esp_parsing" 1113 #define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_NEXTHOP \ 1114 "blackhole_nexthop" 1115 #define DEVLINK_TRAP_GENERIC_NAME_DMAC_FILTER \ 1116 "dmac_filter" 1117 1118 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L2_DROPS \ 1119 "l2_drops" 1120 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_DROPS \ 1121 "l3_drops" 1122 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_EXCEPTIONS \ 1123 "l3_exceptions" 1124 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BUFFER_DROPS \ 1125 "buffer_drops" 1126 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_TUNNEL_DROPS \ 1127 "tunnel_drops" 1128 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_DROPS \ 1129 "acl_drops" 1130 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_STP \ 1131 "stp" 1132 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LACP \ 1133 "lacp" 1134 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LLDP \ 1135 "lldp" 1136 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_MC_SNOOPING \ 1137 "mc_snooping" 1138 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_DHCP \ 1139 "dhcp" 1140 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_NEIGH_DISCOVERY \ 1141 "neigh_discovery" 1142 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BFD \ 1143 "bfd" 1144 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_OSPF \ 1145 "ospf" 1146 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BGP \ 1147 "bgp" 1148 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_VRRP \ 1149 "vrrp" 1150 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PIM \ 1151 "pim" 1152 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_UC_LB \ 1153 "uc_loopback" 1154 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LOCAL_DELIVERY \ 1155 "local_delivery" 1156 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_EXTERNAL_DELIVERY \ 1157 "external_delivery" 1158 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_IPV6 \ 1159 "ipv6" 1160 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_EVENT \ 1161 "ptp_event" 1162 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_GENERAL \ 1163 "ptp_general" 1164 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_SAMPLE \ 1165 "acl_sample" 1166 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_TRAP \ 1167 "acl_trap" 1168 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PARSER_ERROR_DROPS \ 1169 "parser_error_drops" 1170 1171 #define DEVLINK_TRAP_GENERIC(_type, _init_action, _id, _group_id, \ 1172 _metadata_cap) \ 1173 { \ 1174 .type = DEVLINK_TRAP_TYPE_##_type, \ 1175 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \ 1176 .generic = true, \ 1177 .id = DEVLINK_TRAP_GENERIC_ID_##_id, \ 1178 .name = DEVLINK_TRAP_GENERIC_NAME_##_id, \ 1179 .init_group_id = _group_id, \ 1180 .metadata_cap = _metadata_cap, \ 1181 } 1182 1183 #define DEVLINK_TRAP_DRIVER(_type, _init_action, _id, _name, _group_id, \ 1184 _metadata_cap) \ 1185 { \ 1186 .type = DEVLINK_TRAP_TYPE_##_type, \ 1187 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \ 1188 .generic = false, \ 1189 .id = _id, \ 1190 .name = _name, \ 1191 .init_group_id = _group_id, \ 1192 .metadata_cap = _metadata_cap, \ 1193 } 1194 1195 #define DEVLINK_TRAP_GROUP_GENERIC(_id, _policer_id) \ 1196 { \ 1197 .name = DEVLINK_TRAP_GROUP_GENERIC_NAME_##_id, \ 1198 .id = DEVLINK_TRAP_GROUP_GENERIC_ID_##_id, \ 1199 .generic = true, \ 1200 .init_policer_id = _policer_id, \ 1201 } 1202 1203 #define DEVLINK_TRAP_POLICER(_id, _rate, _burst, _max_rate, _min_rate, \ 1204 _max_burst, _min_burst) \ 1205 { \ 1206 .id = _id, \ 1207 .init_rate = _rate, \ 1208 .init_burst = _burst, \ 1209 .max_rate = _max_rate, \ 1210 .min_rate = _min_rate, \ 1211 .max_burst = _max_burst, \ 1212 .min_burst = _min_burst, \ 1213 } 1214 1215 struct devlink_ops { 1216 /** 1217 * @supported_flash_update_params: 1218 * mask of parameters supported by the driver's .flash_update 1219 * implemementation. 1220 */ 1221 u32 supported_flash_update_params; 1222 unsigned long reload_actions; 1223 unsigned long reload_limits; 1224 int (*reload_down)(struct devlink *devlink, bool netns_change, 1225 enum devlink_reload_action action, 1226 enum devlink_reload_limit limit, 1227 struct netlink_ext_ack *extack); 1228 int (*reload_up)(struct devlink *devlink, enum devlink_reload_action action, 1229 enum devlink_reload_limit limit, u32 *actions_performed, 1230 struct netlink_ext_ack *extack); 1231 int (*port_type_set)(struct devlink_port *devlink_port, 1232 enum devlink_port_type port_type); 1233 int (*port_split)(struct devlink *devlink, unsigned int port_index, 1234 unsigned int count, struct netlink_ext_ack *extack); 1235 int (*port_unsplit)(struct devlink *devlink, unsigned int port_index, 1236 struct netlink_ext_ack *extack); 1237 int (*sb_pool_get)(struct devlink *devlink, unsigned int sb_index, 1238 u16 pool_index, 1239 struct devlink_sb_pool_info *pool_info); 1240 int (*sb_pool_set)(struct devlink *devlink, unsigned int sb_index, 1241 u16 pool_index, u32 size, 1242 enum devlink_sb_threshold_type threshold_type, 1243 struct netlink_ext_ack *extack); 1244 int (*sb_port_pool_get)(struct devlink_port *devlink_port, 1245 unsigned int sb_index, u16 pool_index, 1246 u32 *p_threshold); 1247 int (*sb_port_pool_set)(struct devlink_port *devlink_port, 1248 unsigned int sb_index, u16 pool_index, 1249 u32 threshold, struct netlink_ext_ack *extack); 1250 int (*sb_tc_pool_bind_get)(struct devlink_port *devlink_port, 1251 unsigned int sb_index, 1252 u16 tc_index, 1253 enum devlink_sb_pool_type pool_type, 1254 u16 *p_pool_index, u32 *p_threshold); 1255 int (*sb_tc_pool_bind_set)(struct devlink_port *devlink_port, 1256 unsigned int sb_index, 1257 u16 tc_index, 1258 enum devlink_sb_pool_type pool_type, 1259 u16 pool_index, u32 threshold, 1260 struct netlink_ext_ack *extack); 1261 int (*sb_occ_snapshot)(struct devlink *devlink, 1262 unsigned int sb_index); 1263 int (*sb_occ_max_clear)(struct devlink *devlink, 1264 unsigned int sb_index); 1265 int (*sb_occ_port_pool_get)(struct devlink_port *devlink_port, 1266 unsigned int sb_index, u16 pool_index, 1267 u32 *p_cur, u32 *p_max); 1268 int (*sb_occ_tc_port_bind_get)(struct devlink_port *devlink_port, 1269 unsigned int sb_index, 1270 u16 tc_index, 1271 enum devlink_sb_pool_type pool_type, 1272 u32 *p_cur, u32 *p_max); 1273 1274 int (*eswitch_mode_get)(struct devlink *devlink, u16 *p_mode); 1275 int (*eswitch_mode_set)(struct devlink *devlink, u16 mode, 1276 struct netlink_ext_ack *extack); 1277 int (*eswitch_inline_mode_get)(struct devlink *devlink, u8 *p_inline_mode); 1278 int (*eswitch_inline_mode_set)(struct devlink *devlink, u8 inline_mode, 1279 struct netlink_ext_ack *extack); 1280 int (*eswitch_encap_mode_get)(struct devlink *devlink, 1281 enum devlink_eswitch_encap_mode *p_encap_mode); 1282 int (*eswitch_encap_mode_set)(struct devlink *devlink, 1283 enum devlink_eswitch_encap_mode encap_mode, 1284 struct netlink_ext_ack *extack); 1285 int (*info_get)(struct devlink *devlink, struct devlink_info_req *req, 1286 struct netlink_ext_ack *extack); 1287 /** 1288 * @flash_update: Device flash update function 1289 * 1290 * Used to perform a flash update for the device. The set of 1291 * parameters supported by the driver should be set in 1292 * supported_flash_update_params. 1293 */ 1294 int (*flash_update)(struct devlink *devlink, 1295 struct devlink_flash_update_params *params, 1296 struct netlink_ext_ack *extack); 1297 /** 1298 * @trap_init: Trap initialization function. 1299 * 1300 * Should be used by device drivers to initialize the trap in the 1301 * underlying device. Drivers should also store the provided trap 1302 * context, so that they could efficiently pass it to 1303 * devlink_trap_report() when the trap is triggered. 1304 */ 1305 int (*trap_init)(struct devlink *devlink, 1306 const struct devlink_trap *trap, void *trap_ctx); 1307 /** 1308 * @trap_fini: Trap de-initialization function. 1309 * 1310 * Should be used by device drivers to de-initialize the trap in the 1311 * underlying device. 1312 */ 1313 void (*trap_fini)(struct devlink *devlink, 1314 const struct devlink_trap *trap, void *trap_ctx); 1315 /** 1316 * @trap_action_set: Trap action set function. 1317 */ 1318 int (*trap_action_set)(struct devlink *devlink, 1319 const struct devlink_trap *trap, 1320 enum devlink_trap_action action, 1321 struct netlink_ext_ack *extack); 1322 /** 1323 * @trap_group_init: Trap group initialization function. 1324 * 1325 * Should be used by device drivers to initialize the trap group in the 1326 * underlying device. 1327 */ 1328 int (*trap_group_init)(struct devlink *devlink, 1329 const struct devlink_trap_group *group); 1330 /** 1331 * @trap_group_set: Trap group parameters set function. 1332 * 1333 * Note: @policer can be NULL when a policer is being unbound from 1334 * @group. 1335 */ 1336 int (*trap_group_set)(struct devlink *devlink, 1337 const struct devlink_trap_group *group, 1338 const struct devlink_trap_policer *policer, 1339 struct netlink_ext_ack *extack); 1340 /** 1341 * @trap_group_action_set: Trap group action set function. 1342 * 1343 * If this callback is populated, it will take precedence over looping 1344 * over all traps in a group and calling .trap_action_set(). 1345 */ 1346 int (*trap_group_action_set)(struct devlink *devlink, 1347 const struct devlink_trap_group *group, 1348 enum devlink_trap_action action, 1349 struct netlink_ext_ack *extack); 1350 /** 1351 * @trap_drop_counter_get: Trap drop counter get function. 1352 * 1353 * Should be used by device drivers to report number of packets 1354 * that have been dropped, and cannot be passed to the devlink 1355 * subsystem by the underlying device. 1356 */ 1357 int (*trap_drop_counter_get)(struct devlink *devlink, 1358 const struct devlink_trap *trap, 1359 u64 *p_drops); 1360 /** 1361 * @trap_policer_init: Trap policer initialization function. 1362 * 1363 * Should be used by device drivers to initialize the trap policer in 1364 * the underlying device. 1365 */ 1366 int (*trap_policer_init)(struct devlink *devlink, 1367 const struct devlink_trap_policer *policer); 1368 /** 1369 * @trap_policer_fini: Trap policer de-initialization function. 1370 * 1371 * Should be used by device drivers to de-initialize the trap policer 1372 * in the underlying device. 1373 */ 1374 void (*trap_policer_fini)(struct devlink *devlink, 1375 const struct devlink_trap_policer *policer); 1376 /** 1377 * @trap_policer_set: Trap policer parameters set function. 1378 */ 1379 int (*trap_policer_set)(struct devlink *devlink, 1380 const struct devlink_trap_policer *policer, 1381 u64 rate, u64 burst, 1382 struct netlink_ext_ack *extack); 1383 /** 1384 * @trap_policer_counter_get: Trap policer counter get function. 1385 * 1386 * Should be used by device drivers to report number of packets dropped 1387 * by the policer. 1388 */ 1389 int (*trap_policer_counter_get)(struct devlink *devlink, 1390 const struct devlink_trap_policer *policer, 1391 u64 *p_drops); 1392 /** 1393 * @port_function_hw_addr_get: Port function's hardware address get function. 1394 * 1395 * Should be used by device drivers to report the hardware address of a function managed 1396 * by the devlink port. Driver should return -EOPNOTSUPP if it doesn't support port 1397 * function handling for a particular port. 1398 * 1399 * Note: @extack can be NULL when port notifier queries the port function. 1400 */ 1401 int (*port_function_hw_addr_get)(struct devlink *devlink, struct devlink_port *port, 1402 u8 *hw_addr, int *hw_addr_len, 1403 struct netlink_ext_ack *extack); 1404 /** 1405 * @port_function_hw_addr_set: Port function's hardware address set function. 1406 * 1407 * Should be used by device drivers to set 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 int (*port_function_hw_addr_set)(struct devlink *devlink, struct devlink_port *port, 1412 const u8 *hw_addr, int hw_addr_len, 1413 struct netlink_ext_ack *extack); 1414 /** 1415 * port_new() - Add a new port function of a specified flavor 1416 * @devlink: Devlink instance 1417 * @attrs: attributes of the new port 1418 * @extack: extack for reporting error messages 1419 * @new_port_index: index of the new port 1420 * 1421 * Devlink core will call this device driver function upon user request 1422 * to create a new port function of a specified flavor and optional 1423 * attributes 1424 * 1425 * Notes: 1426 * - Called without devlink instance lock being held. Drivers must 1427 * implement own means of synchronization 1428 * - On success, drivers must register a port with devlink core 1429 * 1430 * Return: 0 on success, negative value otherwise. 1431 */ 1432 int (*port_new)(struct devlink *devlink, 1433 const struct devlink_port_new_attrs *attrs, 1434 struct netlink_ext_ack *extack, 1435 unsigned int *new_port_index); 1436 /** 1437 * port_del() - Delete a port function 1438 * @devlink: Devlink instance 1439 * @port_index: port function index to delete 1440 * @extack: extack for reporting error messages 1441 * 1442 * Devlink core will call this device driver function upon user request 1443 * to delete a previously created port function 1444 * 1445 * Notes: 1446 * - Called without devlink instance lock being held. Drivers must 1447 * implement own means of synchronization 1448 * - On success, drivers must unregister the corresponding devlink 1449 * port 1450 * 1451 * Return: 0 on success, negative value otherwise. 1452 */ 1453 int (*port_del)(struct devlink *devlink, unsigned int port_index, 1454 struct netlink_ext_ack *extack); 1455 /** 1456 * port_fn_state_get() - Get the state of a port function 1457 * @devlink: Devlink instance 1458 * @port: The devlink port 1459 * @state: Admin configured state 1460 * @opstate: Current operational state 1461 * @extack: extack for reporting error messages 1462 * 1463 * Reports the admin and operational state of a devlink port function 1464 * 1465 * Return: 0 on success, negative value otherwise. 1466 */ 1467 int (*port_fn_state_get)(struct devlink *devlink, 1468 struct devlink_port *port, 1469 enum devlink_port_fn_state *state, 1470 enum devlink_port_fn_opstate *opstate, 1471 struct netlink_ext_ack *extack); 1472 /** 1473 * port_fn_state_set() - Set the admin state of a port function 1474 * @devlink: Devlink instance 1475 * @port: The devlink port 1476 * @state: Admin state 1477 * @extack: extack for reporting error messages 1478 * 1479 * Set the admin state of a devlink port function 1480 * 1481 * Return: 0 on success, negative value otherwise. 1482 */ 1483 int (*port_fn_state_set)(struct devlink *devlink, 1484 struct devlink_port *port, 1485 enum devlink_port_fn_state state, 1486 struct netlink_ext_ack *extack); 1487 1488 /** 1489 * Rate control callbacks. 1490 */ 1491 int (*rate_leaf_tx_share_set)(struct devlink_rate *devlink_rate, void *priv, 1492 u64 tx_share, struct netlink_ext_ack *extack); 1493 int (*rate_leaf_tx_max_set)(struct devlink_rate *devlink_rate, void *priv, 1494 u64 tx_max, struct netlink_ext_ack *extack); 1495 int (*rate_node_tx_share_set)(struct devlink_rate *devlink_rate, void *priv, 1496 u64 tx_share, struct netlink_ext_ack *extack); 1497 int (*rate_node_tx_max_set)(struct devlink_rate *devlink_rate, void *priv, 1498 u64 tx_max, struct netlink_ext_ack *extack); 1499 int (*rate_node_new)(struct devlink_rate *rate_node, void **priv, 1500 struct netlink_ext_ack *extack); 1501 int (*rate_node_del)(struct devlink_rate *rate_node, void *priv, 1502 struct netlink_ext_ack *extack); 1503 int (*rate_leaf_parent_set)(struct devlink_rate *child, 1504 struct devlink_rate *parent, 1505 void *priv_child, void *priv_parent, 1506 struct netlink_ext_ack *extack); 1507 int (*rate_node_parent_set)(struct devlink_rate *child, 1508 struct devlink_rate *parent, 1509 void *priv_child, void *priv_parent, 1510 struct netlink_ext_ack *extack); 1511 }; 1512 1513 static inline void *devlink_priv(struct devlink *devlink) 1514 { 1515 BUG_ON(!devlink); 1516 return &devlink->priv; 1517 } 1518 1519 static inline struct devlink *priv_to_devlink(void *priv) 1520 { 1521 BUG_ON(!priv); 1522 return container_of(priv, struct devlink, priv); 1523 } 1524 1525 static inline struct devlink_port * 1526 netdev_to_devlink_port(struct net_device *dev) 1527 { 1528 if (dev->netdev_ops->ndo_get_devlink_port) 1529 return dev->netdev_ops->ndo_get_devlink_port(dev); 1530 return NULL; 1531 } 1532 1533 static inline struct devlink *netdev_to_devlink(struct net_device *dev) 1534 { 1535 struct devlink_port *devlink_port = netdev_to_devlink_port(dev); 1536 1537 if (devlink_port) 1538 return devlink_port->devlink; 1539 return NULL; 1540 } 1541 1542 struct ib_device; 1543 1544 struct net *devlink_net(const struct devlink *devlink); 1545 void devlink_net_set(struct devlink *devlink, struct net *net); 1546 struct devlink *devlink_alloc(const struct devlink_ops *ops, size_t priv_size); 1547 int devlink_register(struct devlink *devlink, struct device *dev); 1548 void devlink_unregister(struct devlink *devlink); 1549 void devlink_reload_enable(struct devlink *devlink); 1550 void devlink_reload_disable(struct devlink *devlink); 1551 void devlink_free(struct devlink *devlink); 1552 int devlink_port_register(struct devlink *devlink, 1553 struct devlink_port *devlink_port, 1554 unsigned int port_index); 1555 void devlink_port_unregister(struct devlink_port *devlink_port); 1556 void devlink_port_type_eth_set(struct devlink_port *devlink_port, 1557 struct net_device *netdev); 1558 void devlink_port_type_ib_set(struct devlink_port *devlink_port, 1559 struct ib_device *ibdev); 1560 void devlink_port_type_clear(struct devlink_port *devlink_port); 1561 void devlink_port_attrs_set(struct devlink_port *devlink_port, 1562 struct devlink_port_attrs *devlink_port_attrs); 1563 void devlink_port_attrs_pci_pf_set(struct devlink_port *devlink_port, u32 controller, 1564 u16 pf, bool external); 1565 void devlink_port_attrs_pci_vf_set(struct devlink_port *devlink_port, u32 controller, 1566 u16 pf, u16 vf, bool external); 1567 void devlink_port_attrs_pci_sf_set(struct devlink_port *devlink_port, 1568 u32 controller, u16 pf, u32 sf, 1569 bool external); 1570 int devlink_rate_leaf_create(struct devlink_port *port, void *priv); 1571 void devlink_rate_leaf_destroy(struct devlink_port *devlink_port); 1572 void devlink_rate_nodes_destroy(struct devlink *devlink); 1573 int devlink_sb_register(struct devlink *devlink, unsigned int sb_index, 1574 u32 size, u16 ingress_pools_count, 1575 u16 egress_pools_count, u16 ingress_tc_count, 1576 u16 egress_tc_count); 1577 void devlink_sb_unregister(struct devlink *devlink, unsigned int sb_index); 1578 int devlink_dpipe_table_register(struct devlink *devlink, 1579 const char *table_name, 1580 struct devlink_dpipe_table_ops *table_ops, 1581 void *priv, bool counter_control_extern); 1582 void devlink_dpipe_table_unregister(struct devlink *devlink, 1583 const char *table_name); 1584 int devlink_dpipe_headers_register(struct devlink *devlink, 1585 struct devlink_dpipe_headers *dpipe_headers); 1586 void devlink_dpipe_headers_unregister(struct devlink *devlink); 1587 bool devlink_dpipe_table_counter_enabled(struct devlink *devlink, 1588 const char *table_name); 1589 int devlink_dpipe_entry_ctx_prepare(struct devlink_dpipe_dump_ctx *dump_ctx); 1590 int devlink_dpipe_entry_ctx_append(struct devlink_dpipe_dump_ctx *dump_ctx, 1591 struct devlink_dpipe_entry *entry); 1592 int devlink_dpipe_entry_ctx_close(struct devlink_dpipe_dump_ctx *dump_ctx); 1593 void devlink_dpipe_entry_clear(struct devlink_dpipe_entry *entry); 1594 int devlink_dpipe_action_put(struct sk_buff *skb, 1595 struct devlink_dpipe_action *action); 1596 int devlink_dpipe_match_put(struct sk_buff *skb, 1597 struct devlink_dpipe_match *match); 1598 extern struct devlink_dpipe_header devlink_dpipe_header_ethernet; 1599 extern struct devlink_dpipe_header devlink_dpipe_header_ipv4; 1600 extern struct devlink_dpipe_header devlink_dpipe_header_ipv6; 1601 1602 int devlink_resource_register(struct devlink *devlink, 1603 const char *resource_name, 1604 u64 resource_size, 1605 u64 resource_id, 1606 u64 parent_resource_id, 1607 const struct devlink_resource_size_params *size_params); 1608 void devlink_resources_unregister(struct devlink *devlink, 1609 struct devlink_resource *resource); 1610 int devlink_resource_size_get(struct devlink *devlink, 1611 u64 resource_id, 1612 u64 *p_resource_size); 1613 int devlink_dpipe_table_resource_set(struct devlink *devlink, 1614 const char *table_name, u64 resource_id, 1615 u64 resource_units); 1616 void devlink_resource_occ_get_register(struct devlink *devlink, 1617 u64 resource_id, 1618 devlink_resource_occ_get_t *occ_get, 1619 void *occ_get_priv); 1620 void devlink_resource_occ_get_unregister(struct devlink *devlink, 1621 u64 resource_id); 1622 int devlink_params_register(struct devlink *devlink, 1623 const struct devlink_param *params, 1624 size_t params_count); 1625 void devlink_params_unregister(struct devlink *devlink, 1626 const struct devlink_param *params, 1627 size_t params_count); 1628 void devlink_params_publish(struct devlink *devlink); 1629 void devlink_params_unpublish(struct devlink *devlink); 1630 int devlink_port_params_register(struct devlink_port *devlink_port, 1631 const struct devlink_param *params, 1632 size_t params_count); 1633 void devlink_port_params_unregister(struct devlink_port *devlink_port, 1634 const struct devlink_param *params, 1635 size_t params_count); 1636 int devlink_param_driverinit_value_get(struct devlink *devlink, u32 param_id, 1637 union devlink_param_value *init_val); 1638 int devlink_param_driverinit_value_set(struct devlink *devlink, u32 param_id, 1639 union devlink_param_value init_val); 1640 int 1641 devlink_port_param_driverinit_value_get(struct devlink_port *devlink_port, 1642 u32 param_id, 1643 union devlink_param_value *init_val); 1644 int devlink_port_param_driverinit_value_set(struct devlink_port *devlink_port, 1645 u32 param_id, 1646 union devlink_param_value init_val); 1647 void devlink_param_value_changed(struct devlink *devlink, u32 param_id); 1648 void devlink_port_param_value_changed(struct devlink_port *devlink_port, 1649 u32 param_id); 1650 void devlink_param_value_str_fill(union devlink_param_value *dst_val, 1651 const char *src); 1652 struct devlink_region * 1653 devlink_region_create(struct devlink *devlink, 1654 const struct devlink_region_ops *ops, 1655 u32 region_max_snapshots, u64 region_size); 1656 struct devlink_region * 1657 devlink_port_region_create(struct devlink_port *port, 1658 const struct devlink_port_region_ops *ops, 1659 u32 region_max_snapshots, u64 region_size); 1660 void devlink_region_destroy(struct devlink_region *region); 1661 void devlink_port_region_destroy(struct devlink_region *region); 1662 1663 int devlink_region_snapshot_id_get(struct devlink *devlink, u32 *id); 1664 void devlink_region_snapshot_id_put(struct devlink *devlink, u32 id); 1665 int devlink_region_snapshot_create(struct devlink_region *region, 1666 u8 *data, u32 snapshot_id); 1667 int devlink_info_serial_number_put(struct devlink_info_req *req, 1668 const char *sn); 1669 int devlink_info_driver_name_put(struct devlink_info_req *req, 1670 const char *name); 1671 int devlink_info_board_serial_number_put(struct devlink_info_req *req, 1672 const char *bsn); 1673 int devlink_info_version_fixed_put(struct devlink_info_req *req, 1674 const char *version_name, 1675 const char *version_value); 1676 int devlink_info_version_stored_put(struct devlink_info_req *req, 1677 const char *version_name, 1678 const char *version_value); 1679 int devlink_info_version_running_put(struct devlink_info_req *req, 1680 const char *version_name, 1681 const char *version_value); 1682 1683 int devlink_fmsg_obj_nest_start(struct devlink_fmsg *fmsg); 1684 int devlink_fmsg_obj_nest_end(struct devlink_fmsg *fmsg); 1685 1686 int devlink_fmsg_pair_nest_start(struct devlink_fmsg *fmsg, const char *name); 1687 int devlink_fmsg_pair_nest_end(struct devlink_fmsg *fmsg); 1688 1689 int devlink_fmsg_arr_pair_nest_start(struct devlink_fmsg *fmsg, 1690 const char *name); 1691 int devlink_fmsg_arr_pair_nest_end(struct devlink_fmsg *fmsg); 1692 int devlink_fmsg_binary_pair_nest_start(struct devlink_fmsg *fmsg, 1693 const char *name); 1694 int devlink_fmsg_binary_pair_nest_end(struct devlink_fmsg *fmsg); 1695 1696 int devlink_fmsg_bool_put(struct devlink_fmsg *fmsg, bool value); 1697 int devlink_fmsg_u8_put(struct devlink_fmsg *fmsg, u8 value); 1698 int devlink_fmsg_u32_put(struct devlink_fmsg *fmsg, u32 value); 1699 int devlink_fmsg_u64_put(struct devlink_fmsg *fmsg, u64 value); 1700 int devlink_fmsg_string_put(struct devlink_fmsg *fmsg, const char *value); 1701 int devlink_fmsg_binary_put(struct devlink_fmsg *fmsg, const void *value, 1702 u16 value_len); 1703 1704 int devlink_fmsg_bool_pair_put(struct devlink_fmsg *fmsg, const char *name, 1705 bool value); 1706 int devlink_fmsg_u8_pair_put(struct devlink_fmsg *fmsg, const char *name, 1707 u8 value); 1708 int devlink_fmsg_u32_pair_put(struct devlink_fmsg *fmsg, const char *name, 1709 u32 value); 1710 int devlink_fmsg_u64_pair_put(struct devlink_fmsg *fmsg, const char *name, 1711 u64 value); 1712 int devlink_fmsg_string_pair_put(struct devlink_fmsg *fmsg, const char *name, 1713 const char *value); 1714 int devlink_fmsg_binary_pair_put(struct devlink_fmsg *fmsg, const char *name, 1715 const void *value, u32 value_len); 1716 1717 struct devlink_health_reporter * 1718 devlink_health_reporter_create(struct devlink *devlink, 1719 const struct devlink_health_reporter_ops *ops, 1720 u64 graceful_period, void *priv); 1721 1722 struct devlink_health_reporter * 1723 devlink_port_health_reporter_create(struct devlink_port *port, 1724 const struct devlink_health_reporter_ops *ops, 1725 u64 graceful_period, void *priv); 1726 1727 void 1728 devlink_health_reporter_destroy(struct devlink_health_reporter *reporter); 1729 1730 void 1731 devlink_port_health_reporter_destroy(struct devlink_health_reporter *reporter); 1732 1733 void * 1734 devlink_health_reporter_priv(struct devlink_health_reporter *reporter); 1735 int devlink_health_report(struct devlink_health_reporter *reporter, 1736 const char *msg, void *priv_ctx); 1737 void 1738 devlink_health_reporter_state_update(struct devlink_health_reporter *reporter, 1739 enum devlink_health_reporter_state state); 1740 void 1741 devlink_health_reporter_recovery_done(struct devlink_health_reporter *reporter); 1742 1743 bool devlink_is_reload_failed(const struct devlink *devlink); 1744 void devlink_remote_reload_actions_performed(struct devlink *devlink, 1745 enum devlink_reload_limit limit, 1746 u32 actions_performed); 1747 1748 void devlink_flash_update_status_notify(struct devlink *devlink, 1749 const char *status_msg, 1750 const char *component, 1751 unsigned long done, 1752 unsigned long total); 1753 void devlink_flash_update_timeout_notify(struct devlink *devlink, 1754 const char *status_msg, 1755 const char *component, 1756 unsigned long timeout); 1757 1758 int devlink_traps_register(struct devlink *devlink, 1759 const struct devlink_trap *traps, 1760 size_t traps_count, void *priv); 1761 void devlink_traps_unregister(struct devlink *devlink, 1762 const struct devlink_trap *traps, 1763 size_t traps_count); 1764 void devlink_trap_report(struct devlink *devlink, struct sk_buff *skb, 1765 void *trap_ctx, struct devlink_port *in_devlink_port, 1766 const struct flow_action_cookie *fa_cookie); 1767 void *devlink_trap_ctx_priv(void *trap_ctx); 1768 int devlink_trap_groups_register(struct devlink *devlink, 1769 const struct devlink_trap_group *groups, 1770 size_t groups_count); 1771 void devlink_trap_groups_unregister(struct devlink *devlink, 1772 const struct devlink_trap_group *groups, 1773 size_t groups_count); 1774 int 1775 devlink_trap_policers_register(struct devlink *devlink, 1776 const struct devlink_trap_policer *policers, 1777 size_t policers_count); 1778 void 1779 devlink_trap_policers_unregister(struct devlink *devlink, 1780 const struct devlink_trap_policer *policers, 1781 size_t policers_count); 1782 1783 #if IS_ENABLED(CONFIG_NET_DEVLINK) 1784 1785 void devlink_compat_running_version(struct net_device *dev, 1786 char *buf, size_t len); 1787 int devlink_compat_flash_update(struct net_device *dev, const char *file_name); 1788 int devlink_compat_phys_port_name_get(struct net_device *dev, 1789 char *name, size_t len); 1790 int devlink_compat_switch_id_get(struct net_device *dev, 1791 struct netdev_phys_item_id *ppid); 1792 1793 #else 1794 1795 static inline void 1796 devlink_compat_running_version(struct net_device *dev, char *buf, size_t len) 1797 { 1798 } 1799 1800 static inline int 1801 devlink_compat_flash_update(struct net_device *dev, const char *file_name) 1802 { 1803 return -EOPNOTSUPP; 1804 } 1805 1806 static inline int 1807 devlink_compat_phys_port_name_get(struct net_device *dev, 1808 char *name, size_t len) 1809 { 1810 return -EOPNOTSUPP; 1811 } 1812 1813 static inline int 1814 devlink_compat_switch_id_get(struct net_device *dev, 1815 struct netdev_phys_item_id *ppid) 1816 { 1817 return -EOPNOTSUPP; 1818 } 1819 1820 #endif 1821 1822 #endif /* _NET_DEVLINK_H_ */ 1823