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 23 struct devlink_ops; 24 25 struct devlink { 26 struct list_head list; 27 struct list_head port_list; 28 struct list_head sb_list; 29 struct list_head dpipe_table_list; 30 struct list_head resource_list; 31 struct list_head param_list; 32 struct list_head region_list; 33 struct list_head reporter_list; 34 struct mutex reporters_lock; /* protects reporter_list */ 35 struct devlink_dpipe_headers *dpipe_headers; 36 struct list_head trap_list; 37 struct list_head trap_group_list; 38 struct list_head trap_policer_list; 39 const struct devlink_ops *ops; 40 struct xarray snapshot_ids; 41 struct device *dev; 42 possible_net_t _net; 43 struct mutex lock; 44 u8 reload_failed:1, 45 reload_enabled:1, 46 registered:1; 47 char priv[0] __aligned(NETDEV_ALIGN); 48 }; 49 50 struct devlink_port_phys_attrs { 51 u32 port_number; /* Same value as "split group". 52 * A physical port which is visible to the user 53 * for a given port flavour. 54 */ 55 u32 split_subport_number; 56 }; 57 58 struct devlink_port_pci_pf_attrs { 59 u16 pf; /* Associated PCI PF for this port. */ 60 }; 61 62 struct devlink_port_pci_vf_attrs { 63 u16 pf; /* Associated PCI PF for this port. */ 64 u16 vf; /* Associated PCI VF for of the PCI PF for this port. */ 65 }; 66 67 struct devlink_port_attrs { 68 u8 set:1, 69 split:1, 70 switch_port:1; 71 enum devlink_port_flavour flavour; 72 struct netdev_phys_item_id switch_id; 73 union { 74 struct devlink_port_phys_attrs phys; 75 struct devlink_port_pci_pf_attrs pci_pf; 76 struct devlink_port_pci_vf_attrs pci_vf; 77 }; 78 }; 79 80 struct devlink_port { 81 struct list_head list; 82 struct list_head param_list; 83 struct devlink *devlink; 84 unsigned int index; 85 bool registered; 86 spinlock_t type_lock; /* Protects type and type_dev 87 * pointer consistency. 88 */ 89 enum devlink_port_type type; 90 enum devlink_port_type desired_type; 91 void *type_dev; 92 struct devlink_port_attrs attrs; 93 struct delayed_work type_warn_dw; 94 }; 95 96 struct devlink_sb_pool_info { 97 enum devlink_sb_pool_type pool_type; 98 u32 size; 99 enum devlink_sb_threshold_type threshold_type; 100 u32 cell_size; 101 }; 102 103 /** 104 * struct devlink_dpipe_field - dpipe field object 105 * @name: field name 106 * @id: index inside the headers field array 107 * @bitwidth: bitwidth 108 * @mapping_type: mapping type 109 */ 110 struct devlink_dpipe_field { 111 const char *name; 112 unsigned int id; 113 unsigned int bitwidth; 114 enum devlink_dpipe_field_mapping_type mapping_type; 115 }; 116 117 /** 118 * struct devlink_dpipe_header - dpipe header object 119 * @name: header name 120 * @id: index, global/local detrmined by global bit 121 * @fields: fields 122 * @fields_count: number of fields 123 * @global: indicates if header is shared like most protocol header 124 * or driver specific 125 */ 126 struct devlink_dpipe_header { 127 const char *name; 128 unsigned int id; 129 struct devlink_dpipe_field *fields; 130 unsigned int fields_count; 131 bool global; 132 }; 133 134 /** 135 * struct devlink_dpipe_match - represents match operation 136 * @type: type of match 137 * @header_index: header index (packets can have several headers of same 138 * type like in case of tunnels) 139 * @header: header 140 * @fieled_id: field index 141 */ 142 struct devlink_dpipe_match { 143 enum devlink_dpipe_match_type type; 144 unsigned int header_index; 145 struct devlink_dpipe_header *header; 146 unsigned int field_id; 147 }; 148 149 /** 150 * struct devlink_dpipe_action - represents action operation 151 * @type: type of action 152 * @header_index: header index (packets can have several headers of same 153 * type like in case of tunnels) 154 * @header: header 155 * @fieled_id: field index 156 */ 157 struct devlink_dpipe_action { 158 enum devlink_dpipe_action_type type; 159 unsigned int header_index; 160 struct devlink_dpipe_header *header; 161 unsigned int field_id; 162 }; 163 164 /** 165 * struct devlink_dpipe_value - represents value of match/action 166 * @action: action 167 * @match: match 168 * @mapping_value: in case the field has some mapping this value 169 * specified the mapping value 170 * @mapping_valid: specify if mapping value is valid 171 * @value_size: value size 172 * @value: value 173 * @mask: bit mask 174 */ 175 struct devlink_dpipe_value { 176 union { 177 struct devlink_dpipe_action *action; 178 struct devlink_dpipe_match *match; 179 }; 180 unsigned int mapping_value; 181 bool mapping_valid; 182 unsigned int value_size; 183 void *value; 184 void *mask; 185 }; 186 187 /** 188 * struct devlink_dpipe_entry - table entry object 189 * @index: index of the entry in the table 190 * @match_values: match values 191 * @matche_values_count: count of matches tuples 192 * @action_values: actions values 193 * @action_values_count: count of actions values 194 * @counter: value of counter 195 * @counter_valid: Specify if value is valid from hardware 196 */ 197 struct devlink_dpipe_entry { 198 u64 index; 199 struct devlink_dpipe_value *match_values; 200 unsigned int match_values_count; 201 struct devlink_dpipe_value *action_values; 202 unsigned int action_values_count; 203 u64 counter; 204 bool counter_valid; 205 }; 206 207 /** 208 * struct devlink_dpipe_dump_ctx - context provided to driver in order 209 * to dump 210 * @info: info 211 * @cmd: devlink command 212 * @skb: skb 213 * @nest: top attribute 214 * @hdr: hdr 215 */ 216 struct devlink_dpipe_dump_ctx { 217 struct genl_info *info; 218 enum devlink_command cmd; 219 struct sk_buff *skb; 220 struct nlattr *nest; 221 void *hdr; 222 }; 223 224 struct devlink_dpipe_table_ops; 225 226 /** 227 * struct devlink_dpipe_table - table object 228 * @priv: private 229 * @name: table name 230 * @counters_enabled: indicates if counters are active 231 * @counter_control_extern: indicates if counter control is in dpipe or 232 * external tool 233 * @resource_valid: Indicate that the resource id is valid 234 * @resource_id: relative resource this table is related to 235 * @resource_units: number of resource's unit consumed per table's entry 236 * @table_ops: table operations 237 * @rcu: rcu 238 */ 239 struct devlink_dpipe_table { 240 void *priv; 241 struct list_head list; 242 const char *name; 243 bool counters_enabled; 244 bool counter_control_extern; 245 bool resource_valid; 246 u64 resource_id; 247 u64 resource_units; 248 struct devlink_dpipe_table_ops *table_ops; 249 struct rcu_head rcu; 250 }; 251 252 /** 253 * struct devlink_dpipe_table_ops - dpipe_table ops 254 * @actions_dump - dumps all tables actions 255 * @matches_dump - dumps all tables matches 256 * @entries_dump - dumps all active entries in the table 257 * @counters_set_update - when changing the counter status hardware sync 258 * maybe needed to allocate/free counter related 259 * resources 260 * @size_get - get size 261 */ 262 struct devlink_dpipe_table_ops { 263 int (*actions_dump)(void *priv, struct sk_buff *skb); 264 int (*matches_dump)(void *priv, struct sk_buff *skb); 265 int (*entries_dump)(void *priv, bool counters_enabled, 266 struct devlink_dpipe_dump_ctx *dump_ctx); 267 int (*counters_set_update)(void *priv, bool enable); 268 u64 (*size_get)(void *priv); 269 }; 270 271 /** 272 * struct devlink_dpipe_headers - dpipe headers 273 * @headers - header array can be shared (global bit) or driver specific 274 * @headers_count - count of headers 275 */ 276 struct devlink_dpipe_headers { 277 struct devlink_dpipe_header **headers; 278 unsigned int headers_count; 279 }; 280 281 /** 282 * struct devlink_resource_size_params - resource's size parameters 283 * @size_min: minimum size which can be set 284 * @size_max: maximum size which can be set 285 * @size_granularity: size granularity 286 * @size_unit: resource's basic unit 287 */ 288 struct devlink_resource_size_params { 289 u64 size_min; 290 u64 size_max; 291 u64 size_granularity; 292 enum devlink_resource_unit unit; 293 }; 294 295 static inline void 296 devlink_resource_size_params_init(struct devlink_resource_size_params *size_params, 297 u64 size_min, u64 size_max, 298 u64 size_granularity, 299 enum devlink_resource_unit unit) 300 { 301 size_params->size_min = size_min; 302 size_params->size_max = size_max; 303 size_params->size_granularity = size_granularity; 304 size_params->unit = unit; 305 } 306 307 typedef u64 devlink_resource_occ_get_t(void *priv); 308 309 /** 310 * struct devlink_resource - devlink resource 311 * @name: name of the resource 312 * @id: id, per devlink instance 313 * @size: size of the resource 314 * @size_new: updated size of the resource, reload is needed 315 * @size_valid: valid in case the total size of the resource is valid 316 * including its children 317 * @parent: parent resource 318 * @size_params: size parameters 319 * @list: parent list 320 * @resource_list: list of child resources 321 */ 322 struct devlink_resource { 323 const char *name; 324 u64 id; 325 u64 size; 326 u64 size_new; 327 bool size_valid; 328 struct devlink_resource *parent; 329 struct devlink_resource_size_params size_params; 330 struct list_head list; 331 struct list_head resource_list; 332 devlink_resource_occ_get_t *occ_get; 333 void *occ_get_priv; 334 }; 335 336 #define DEVLINK_RESOURCE_ID_PARENT_TOP 0 337 338 #define __DEVLINK_PARAM_MAX_STRING_VALUE 32 339 enum devlink_param_type { 340 DEVLINK_PARAM_TYPE_U8, 341 DEVLINK_PARAM_TYPE_U16, 342 DEVLINK_PARAM_TYPE_U32, 343 DEVLINK_PARAM_TYPE_STRING, 344 DEVLINK_PARAM_TYPE_BOOL, 345 }; 346 347 union devlink_param_value { 348 u8 vu8; 349 u16 vu16; 350 u32 vu32; 351 char vstr[__DEVLINK_PARAM_MAX_STRING_VALUE]; 352 bool vbool; 353 }; 354 355 struct devlink_param_gset_ctx { 356 union devlink_param_value val; 357 enum devlink_param_cmode cmode; 358 }; 359 360 /** 361 * struct devlink_param - devlink configuration parameter data 362 * @name: name of the parameter 363 * @generic: indicates if the parameter is generic or driver specific 364 * @type: parameter type 365 * @supported_cmodes: bitmap of supported configuration modes 366 * @get: get parameter value, used for runtime and permanent 367 * configuration modes 368 * @set: set parameter value, used for runtime and permanent 369 * configuration modes 370 * @validate: validate input value is applicable (within value range, etc.) 371 * 372 * This struct should be used by the driver to fill the data for 373 * a parameter it registers. 374 */ 375 struct devlink_param { 376 u32 id; 377 const char *name; 378 bool generic; 379 enum devlink_param_type type; 380 unsigned long supported_cmodes; 381 int (*get)(struct devlink *devlink, u32 id, 382 struct devlink_param_gset_ctx *ctx); 383 int (*set)(struct devlink *devlink, u32 id, 384 struct devlink_param_gset_ctx *ctx); 385 int (*validate)(struct devlink *devlink, u32 id, 386 union devlink_param_value val, 387 struct netlink_ext_ack *extack); 388 }; 389 390 struct devlink_param_item { 391 struct list_head list; 392 const struct devlink_param *param; 393 union devlink_param_value driverinit_value; 394 bool driverinit_value_valid; 395 bool published; 396 }; 397 398 enum devlink_param_generic_id { 399 DEVLINK_PARAM_GENERIC_ID_INT_ERR_RESET, 400 DEVLINK_PARAM_GENERIC_ID_MAX_MACS, 401 DEVLINK_PARAM_GENERIC_ID_ENABLE_SRIOV, 402 DEVLINK_PARAM_GENERIC_ID_REGION_SNAPSHOT, 403 DEVLINK_PARAM_GENERIC_ID_IGNORE_ARI, 404 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX, 405 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN, 406 DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY, 407 DEVLINK_PARAM_GENERIC_ID_RESET_DEV_ON_DRV_PROBE, 408 DEVLINK_PARAM_GENERIC_ID_ENABLE_ROCE, 409 410 /* add new param generic ids above here*/ 411 __DEVLINK_PARAM_GENERIC_ID_MAX, 412 DEVLINK_PARAM_GENERIC_ID_MAX = __DEVLINK_PARAM_GENERIC_ID_MAX - 1, 413 }; 414 415 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_NAME "internal_error_reset" 416 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL 417 418 #define DEVLINK_PARAM_GENERIC_MAX_MACS_NAME "max_macs" 419 #define DEVLINK_PARAM_GENERIC_MAX_MACS_TYPE DEVLINK_PARAM_TYPE_U32 420 421 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_NAME "enable_sriov" 422 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_TYPE DEVLINK_PARAM_TYPE_BOOL 423 424 #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_NAME "region_snapshot_enable" 425 #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_TYPE DEVLINK_PARAM_TYPE_BOOL 426 427 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_NAME "ignore_ari" 428 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_TYPE DEVLINK_PARAM_TYPE_BOOL 429 430 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_NAME "msix_vec_per_pf_max" 431 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_TYPE DEVLINK_PARAM_TYPE_U32 432 433 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_NAME "msix_vec_per_pf_min" 434 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_TYPE DEVLINK_PARAM_TYPE_U32 435 436 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_NAME "fw_load_policy" 437 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_TYPE DEVLINK_PARAM_TYPE_U8 438 439 #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_NAME \ 440 "reset_dev_on_drv_probe" 441 #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_TYPE DEVLINK_PARAM_TYPE_U8 442 443 #define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_NAME "enable_roce" 444 #define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_TYPE DEVLINK_PARAM_TYPE_BOOL 445 446 #define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate) \ 447 { \ 448 .id = DEVLINK_PARAM_GENERIC_ID_##_id, \ 449 .name = DEVLINK_PARAM_GENERIC_##_id##_NAME, \ 450 .type = DEVLINK_PARAM_GENERIC_##_id##_TYPE, \ 451 .generic = true, \ 452 .supported_cmodes = _cmodes, \ 453 .get = _get, \ 454 .set = _set, \ 455 .validate = _validate, \ 456 } 457 458 #define DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, _get, _set, _validate) \ 459 { \ 460 .id = _id, \ 461 .name = _name, \ 462 .type = _type, \ 463 .supported_cmodes = _cmodes, \ 464 .get = _get, \ 465 .set = _set, \ 466 .validate = _validate, \ 467 } 468 469 /* Part number, identifier of board design */ 470 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_ID "board.id" 471 /* Revision of board design */ 472 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_REV "board.rev" 473 /* Maker of the board */ 474 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_MANUFACTURE "board.manufacture" 475 476 /* Part number, identifier of asic design */ 477 #define DEVLINK_INFO_VERSION_GENERIC_ASIC_ID "asic.id" 478 /* Revision of asic design */ 479 #define DEVLINK_INFO_VERSION_GENERIC_ASIC_REV "asic.rev" 480 481 /* Overall FW version */ 482 #define DEVLINK_INFO_VERSION_GENERIC_FW "fw" 483 /* Control processor FW version */ 484 #define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT "fw.mgmt" 485 /* FW interface specification version */ 486 #define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT_API "fw.mgmt.api" 487 /* Data path microcode controlling high-speed packet processing */ 488 #define DEVLINK_INFO_VERSION_GENERIC_FW_APP "fw.app" 489 /* UNDI software version */ 490 #define DEVLINK_INFO_VERSION_GENERIC_FW_UNDI "fw.undi" 491 /* NCSI support/handler version */ 492 #define DEVLINK_INFO_VERSION_GENERIC_FW_NCSI "fw.ncsi" 493 /* FW parameter set id */ 494 #define DEVLINK_INFO_VERSION_GENERIC_FW_PSID "fw.psid" 495 /* RoCE FW version */ 496 #define DEVLINK_INFO_VERSION_GENERIC_FW_ROCE "fw.roce" 497 /* Firmware bundle identifier */ 498 #define DEVLINK_INFO_VERSION_GENERIC_FW_BUNDLE_ID "fw.bundle_id" 499 500 struct devlink_region; 501 struct devlink_info_req; 502 503 /** 504 * struct devlink_region_ops - Region operations 505 * @name: region name 506 * @destructor: callback used to free snapshot memory when deleting 507 * @snapshot: callback to request an immediate snapshot. On success, 508 * the data variable must be updated to point to the snapshot data. 509 * The function will be called while the devlink instance lock is 510 * held. 511 */ 512 struct devlink_region_ops { 513 const char *name; 514 void (*destructor)(const void *data); 515 int (*snapshot)(struct devlink *devlink, struct netlink_ext_ack *extack, 516 u8 **data); 517 }; 518 519 struct devlink_fmsg; 520 struct devlink_health_reporter; 521 522 enum devlink_health_reporter_state { 523 DEVLINK_HEALTH_REPORTER_STATE_HEALTHY, 524 DEVLINK_HEALTH_REPORTER_STATE_ERROR, 525 }; 526 527 /** 528 * struct devlink_health_reporter_ops - Reporter operations 529 * @name: reporter name 530 * @recover: callback to recover from reported error 531 * if priv_ctx is NULL, run a full recover 532 * @dump: callback to dump an object 533 * if priv_ctx is NULL, run a full dump 534 * @diagnose: callback to diagnose the current status 535 */ 536 537 struct devlink_health_reporter_ops { 538 char *name; 539 int (*recover)(struct devlink_health_reporter *reporter, 540 void *priv_ctx, struct netlink_ext_ack *extack); 541 int (*dump)(struct devlink_health_reporter *reporter, 542 struct devlink_fmsg *fmsg, void *priv_ctx, 543 struct netlink_ext_ack *extack); 544 int (*diagnose)(struct devlink_health_reporter *reporter, 545 struct devlink_fmsg *fmsg, 546 struct netlink_ext_ack *extack); 547 }; 548 549 /** 550 * struct devlink_trap_policer - Immutable packet trap policer attributes. 551 * @id: Policer identifier. 552 * @init_rate: Initial rate in packets / sec. 553 * @init_burst: Initial burst size in packets. 554 * @max_rate: Maximum rate. 555 * @min_rate: Minimum rate. 556 * @max_burst: Maximum burst size. 557 * @min_burst: Minimum burst size. 558 * 559 * Describes immutable attributes of packet trap policers that drivers register 560 * with devlink. 561 */ 562 struct devlink_trap_policer { 563 u32 id; 564 u64 init_rate; 565 u64 init_burst; 566 u64 max_rate; 567 u64 min_rate; 568 u64 max_burst; 569 u64 min_burst; 570 }; 571 572 /** 573 * struct devlink_trap_group - Immutable packet trap group attributes. 574 * @name: Trap group name. 575 * @id: Trap group identifier. 576 * @generic: Whether the trap group is generic or not. 577 * @init_policer_id: Initial policer identifier. 578 * 579 * Describes immutable attributes of packet trap groups that drivers register 580 * with devlink. 581 */ 582 struct devlink_trap_group { 583 const char *name; 584 u16 id; 585 bool generic; 586 u32 init_policer_id; 587 }; 588 589 #define DEVLINK_TRAP_METADATA_TYPE_F_IN_PORT BIT(0) 590 #define DEVLINK_TRAP_METADATA_TYPE_F_FA_COOKIE BIT(1) 591 592 /** 593 * struct devlink_trap - Immutable packet trap attributes. 594 * @type: Trap type. 595 * @init_action: Initial trap action. 596 * @generic: Whether the trap is generic or not. 597 * @id: Trap identifier. 598 * @name: Trap name. 599 * @init_group_id: Initial group identifier. 600 * @metadata_cap: Metadata types that can be provided by the trap. 601 * 602 * Describes immutable attributes of packet traps that drivers register with 603 * devlink. 604 */ 605 struct devlink_trap { 606 enum devlink_trap_type type; 607 enum devlink_trap_action init_action; 608 bool generic; 609 u16 id; 610 const char *name; 611 u16 init_group_id; 612 u32 metadata_cap; 613 }; 614 615 /* All traps must be documented in 616 * Documentation/networking/devlink/devlink-trap.rst 617 */ 618 enum devlink_trap_generic_id { 619 DEVLINK_TRAP_GENERIC_ID_SMAC_MC, 620 DEVLINK_TRAP_GENERIC_ID_VLAN_TAG_MISMATCH, 621 DEVLINK_TRAP_GENERIC_ID_INGRESS_VLAN_FILTER, 622 DEVLINK_TRAP_GENERIC_ID_INGRESS_STP_FILTER, 623 DEVLINK_TRAP_GENERIC_ID_EMPTY_TX_LIST, 624 DEVLINK_TRAP_GENERIC_ID_PORT_LOOPBACK_FILTER, 625 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_ROUTE, 626 DEVLINK_TRAP_GENERIC_ID_TTL_ERROR, 627 DEVLINK_TRAP_GENERIC_ID_TAIL_DROP, 628 DEVLINK_TRAP_GENERIC_ID_NON_IP_PACKET, 629 DEVLINK_TRAP_GENERIC_ID_UC_DIP_MC_DMAC, 630 DEVLINK_TRAP_GENERIC_ID_DIP_LB, 631 DEVLINK_TRAP_GENERIC_ID_SIP_MC, 632 DEVLINK_TRAP_GENERIC_ID_SIP_LB, 633 DEVLINK_TRAP_GENERIC_ID_CORRUPTED_IP_HDR, 634 DEVLINK_TRAP_GENERIC_ID_IPV4_SIP_BC, 635 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_RESERVED_SCOPE, 636 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE, 637 DEVLINK_TRAP_GENERIC_ID_MTU_ERROR, 638 DEVLINK_TRAP_GENERIC_ID_UNRESOLVED_NEIGH, 639 DEVLINK_TRAP_GENERIC_ID_RPF, 640 DEVLINK_TRAP_GENERIC_ID_REJECT_ROUTE, 641 DEVLINK_TRAP_GENERIC_ID_IPV4_LPM_UNICAST_MISS, 642 DEVLINK_TRAP_GENERIC_ID_IPV6_LPM_UNICAST_MISS, 643 DEVLINK_TRAP_GENERIC_ID_NON_ROUTABLE, 644 DEVLINK_TRAP_GENERIC_ID_DECAP_ERROR, 645 DEVLINK_TRAP_GENERIC_ID_OVERLAY_SMAC_MC, 646 DEVLINK_TRAP_GENERIC_ID_INGRESS_FLOW_ACTION_DROP, 647 DEVLINK_TRAP_GENERIC_ID_EGRESS_FLOW_ACTION_DROP, 648 649 /* Add new generic trap IDs above */ 650 __DEVLINK_TRAP_GENERIC_ID_MAX, 651 DEVLINK_TRAP_GENERIC_ID_MAX = __DEVLINK_TRAP_GENERIC_ID_MAX - 1, 652 }; 653 654 /* All trap groups must be documented in 655 * Documentation/networking/devlink/devlink-trap.rst 656 */ 657 enum devlink_trap_group_generic_id { 658 DEVLINK_TRAP_GROUP_GENERIC_ID_L2_DROPS, 659 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_DROPS, 660 DEVLINK_TRAP_GROUP_GENERIC_ID_BUFFER_DROPS, 661 DEVLINK_TRAP_GROUP_GENERIC_ID_TUNNEL_DROPS, 662 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_DROPS, 663 664 /* Add new generic trap group IDs above */ 665 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX, 666 DEVLINK_TRAP_GROUP_GENERIC_ID_MAX = 667 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX - 1, 668 }; 669 670 #define DEVLINK_TRAP_GENERIC_NAME_SMAC_MC \ 671 "source_mac_is_multicast" 672 #define DEVLINK_TRAP_GENERIC_NAME_VLAN_TAG_MISMATCH \ 673 "vlan_tag_mismatch" 674 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_VLAN_FILTER \ 675 "ingress_vlan_filter" 676 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_STP_FILTER \ 677 "ingress_spanning_tree_filter" 678 #define DEVLINK_TRAP_GENERIC_NAME_EMPTY_TX_LIST \ 679 "port_list_is_empty" 680 #define DEVLINK_TRAP_GENERIC_NAME_PORT_LOOPBACK_FILTER \ 681 "port_loopback_filter" 682 #define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_ROUTE \ 683 "blackhole_route" 684 #define DEVLINK_TRAP_GENERIC_NAME_TTL_ERROR \ 685 "ttl_value_is_too_small" 686 #define DEVLINK_TRAP_GENERIC_NAME_TAIL_DROP \ 687 "tail_drop" 688 #define DEVLINK_TRAP_GENERIC_NAME_NON_IP_PACKET \ 689 "non_ip" 690 #define DEVLINK_TRAP_GENERIC_NAME_UC_DIP_MC_DMAC \ 691 "uc_dip_over_mc_dmac" 692 #define DEVLINK_TRAP_GENERIC_NAME_DIP_LB \ 693 "dip_is_loopback_address" 694 #define DEVLINK_TRAP_GENERIC_NAME_SIP_MC \ 695 "sip_is_mc" 696 #define DEVLINK_TRAP_GENERIC_NAME_SIP_LB \ 697 "sip_is_loopback_address" 698 #define DEVLINK_TRAP_GENERIC_NAME_CORRUPTED_IP_HDR \ 699 "ip_header_corrupted" 700 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_SIP_BC \ 701 "ipv4_sip_is_limited_bc" 702 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_RESERVED_SCOPE \ 703 "ipv6_mc_dip_reserved_scope" 704 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE \ 705 "ipv6_mc_dip_interface_local_scope" 706 #define DEVLINK_TRAP_GENERIC_NAME_MTU_ERROR \ 707 "mtu_value_is_too_small" 708 #define DEVLINK_TRAP_GENERIC_NAME_UNRESOLVED_NEIGH \ 709 "unresolved_neigh" 710 #define DEVLINK_TRAP_GENERIC_NAME_RPF \ 711 "mc_reverse_path_forwarding" 712 #define DEVLINK_TRAP_GENERIC_NAME_REJECT_ROUTE \ 713 "reject_route" 714 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_LPM_UNICAST_MISS \ 715 "ipv4_lpm_miss" 716 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_LPM_UNICAST_MISS \ 717 "ipv6_lpm_miss" 718 #define DEVLINK_TRAP_GENERIC_NAME_NON_ROUTABLE \ 719 "non_routable_packet" 720 #define DEVLINK_TRAP_GENERIC_NAME_DECAP_ERROR \ 721 "decap_error" 722 #define DEVLINK_TRAP_GENERIC_NAME_OVERLAY_SMAC_MC \ 723 "overlay_smac_is_mc" 724 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_FLOW_ACTION_DROP \ 725 "ingress_flow_action_drop" 726 #define DEVLINK_TRAP_GENERIC_NAME_EGRESS_FLOW_ACTION_DROP \ 727 "egress_flow_action_drop" 728 729 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L2_DROPS \ 730 "l2_drops" 731 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_DROPS \ 732 "l3_drops" 733 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BUFFER_DROPS \ 734 "buffer_drops" 735 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_TUNNEL_DROPS \ 736 "tunnel_drops" 737 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_DROPS \ 738 "acl_drops" 739 740 #define DEVLINK_TRAP_GENERIC(_type, _init_action, _id, _group_id, \ 741 _metadata_cap) \ 742 { \ 743 .type = DEVLINK_TRAP_TYPE_##_type, \ 744 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \ 745 .generic = true, \ 746 .id = DEVLINK_TRAP_GENERIC_ID_##_id, \ 747 .name = DEVLINK_TRAP_GENERIC_NAME_##_id, \ 748 .init_group_id = _group_id, \ 749 .metadata_cap = _metadata_cap, \ 750 } 751 752 #define DEVLINK_TRAP_DRIVER(_type, _init_action, _id, _name, _group_id, \ 753 _metadata_cap) \ 754 { \ 755 .type = DEVLINK_TRAP_TYPE_##_type, \ 756 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \ 757 .generic = false, \ 758 .id = _id, \ 759 .name = _name, \ 760 .init_group_id = _group_id, \ 761 .metadata_cap = _metadata_cap, \ 762 } 763 764 #define DEVLINK_TRAP_GROUP_GENERIC(_id, _policer_id) \ 765 { \ 766 .name = DEVLINK_TRAP_GROUP_GENERIC_NAME_##_id, \ 767 .id = DEVLINK_TRAP_GROUP_GENERIC_ID_##_id, \ 768 .generic = true, \ 769 .init_policer_id = _policer_id, \ 770 } 771 772 #define DEVLINK_TRAP_POLICER(_id, _rate, _burst, _max_rate, _min_rate, \ 773 _max_burst, _min_burst) \ 774 { \ 775 .id = _id, \ 776 .init_rate = _rate, \ 777 .init_burst = _burst, \ 778 .max_rate = _max_rate, \ 779 .min_rate = _min_rate, \ 780 .max_burst = _max_burst, \ 781 .min_burst = _min_burst, \ 782 } 783 784 struct devlink_ops { 785 int (*reload_down)(struct devlink *devlink, bool netns_change, 786 struct netlink_ext_ack *extack); 787 int (*reload_up)(struct devlink *devlink, 788 struct netlink_ext_ack *extack); 789 int (*port_type_set)(struct devlink_port *devlink_port, 790 enum devlink_port_type port_type); 791 int (*port_split)(struct devlink *devlink, unsigned int port_index, 792 unsigned int count, struct netlink_ext_ack *extack); 793 int (*port_unsplit)(struct devlink *devlink, unsigned int port_index, 794 struct netlink_ext_ack *extack); 795 int (*sb_pool_get)(struct devlink *devlink, unsigned int sb_index, 796 u16 pool_index, 797 struct devlink_sb_pool_info *pool_info); 798 int (*sb_pool_set)(struct devlink *devlink, unsigned int sb_index, 799 u16 pool_index, u32 size, 800 enum devlink_sb_threshold_type threshold_type, 801 struct netlink_ext_ack *extack); 802 int (*sb_port_pool_get)(struct devlink_port *devlink_port, 803 unsigned int sb_index, u16 pool_index, 804 u32 *p_threshold); 805 int (*sb_port_pool_set)(struct devlink_port *devlink_port, 806 unsigned int sb_index, u16 pool_index, 807 u32 threshold, struct netlink_ext_ack *extack); 808 int (*sb_tc_pool_bind_get)(struct devlink_port *devlink_port, 809 unsigned int sb_index, 810 u16 tc_index, 811 enum devlink_sb_pool_type pool_type, 812 u16 *p_pool_index, u32 *p_threshold); 813 int (*sb_tc_pool_bind_set)(struct devlink_port *devlink_port, 814 unsigned int sb_index, 815 u16 tc_index, 816 enum devlink_sb_pool_type pool_type, 817 u16 pool_index, u32 threshold, 818 struct netlink_ext_ack *extack); 819 int (*sb_occ_snapshot)(struct devlink *devlink, 820 unsigned int sb_index); 821 int (*sb_occ_max_clear)(struct devlink *devlink, 822 unsigned int sb_index); 823 int (*sb_occ_port_pool_get)(struct devlink_port *devlink_port, 824 unsigned int sb_index, u16 pool_index, 825 u32 *p_cur, u32 *p_max); 826 int (*sb_occ_tc_port_bind_get)(struct devlink_port *devlink_port, 827 unsigned int sb_index, 828 u16 tc_index, 829 enum devlink_sb_pool_type pool_type, 830 u32 *p_cur, u32 *p_max); 831 832 int (*eswitch_mode_get)(struct devlink *devlink, u16 *p_mode); 833 int (*eswitch_mode_set)(struct devlink *devlink, u16 mode, 834 struct netlink_ext_ack *extack); 835 int (*eswitch_inline_mode_get)(struct devlink *devlink, u8 *p_inline_mode); 836 int (*eswitch_inline_mode_set)(struct devlink *devlink, u8 inline_mode, 837 struct netlink_ext_ack *extack); 838 int (*eswitch_encap_mode_get)(struct devlink *devlink, 839 enum devlink_eswitch_encap_mode *p_encap_mode); 840 int (*eswitch_encap_mode_set)(struct devlink *devlink, 841 enum devlink_eswitch_encap_mode encap_mode, 842 struct netlink_ext_ack *extack); 843 int (*info_get)(struct devlink *devlink, struct devlink_info_req *req, 844 struct netlink_ext_ack *extack); 845 int (*flash_update)(struct devlink *devlink, const char *file_name, 846 const char *component, 847 struct netlink_ext_ack *extack); 848 /** 849 * @trap_init: Trap initialization function. 850 * 851 * Should be used by device drivers to initialize the trap in the 852 * underlying device. Drivers should also store the provided trap 853 * context, so that they could efficiently pass it to 854 * devlink_trap_report() when the trap is triggered. 855 */ 856 int (*trap_init)(struct devlink *devlink, 857 const struct devlink_trap *trap, void *trap_ctx); 858 /** 859 * @trap_fini: Trap de-initialization function. 860 * 861 * Should be used by device drivers to de-initialize the trap in the 862 * underlying device. 863 */ 864 void (*trap_fini)(struct devlink *devlink, 865 const struct devlink_trap *trap, void *trap_ctx); 866 /** 867 * @trap_action_set: Trap action set function. 868 */ 869 int (*trap_action_set)(struct devlink *devlink, 870 const struct devlink_trap *trap, 871 enum devlink_trap_action action); 872 /** 873 * @trap_group_init: Trap group initialization function. 874 * 875 * Should be used by device drivers to initialize the trap group in the 876 * underlying device. 877 */ 878 int (*trap_group_init)(struct devlink *devlink, 879 const struct devlink_trap_group *group); 880 /** 881 * @trap_group_set: Trap group parameters set function. 882 * 883 * Note: @policer can be NULL when a policer is being unbound from 884 * @group. 885 */ 886 int (*trap_group_set)(struct devlink *devlink, 887 const struct devlink_trap_group *group, 888 const struct devlink_trap_policer *policer); 889 /** 890 * @trap_policer_init: Trap policer initialization function. 891 * 892 * Should be used by device drivers to initialize the trap policer in 893 * the underlying device. 894 */ 895 int (*trap_policer_init)(struct devlink *devlink, 896 const struct devlink_trap_policer *policer); 897 /** 898 * @trap_policer_fini: Trap policer de-initialization function. 899 * 900 * Should be used by device drivers to de-initialize the trap policer 901 * in the underlying device. 902 */ 903 void (*trap_policer_fini)(struct devlink *devlink, 904 const struct devlink_trap_policer *policer); 905 /** 906 * @trap_policer_set: Trap policer parameters set function. 907 */ 908 int (*trap_policer_set)(struct devlink *devlink, 909 const struct devlink_trap_policer *policer, 910 u64 rate, u64 burst, 911 struct netlink_ext_ack *extack); 912 /** 913 * @trap_policer_counter_get: Trap policer counter get function. 914 * 915 * Should be used by device drivers to report number of packets dropped 916 * by the policer. 917 */ 918 int (*trap_policer_counter_get)(struct devlink *devlink, 919 const struct devlink_trap_policer *policer, 920 u64 *p_drops); 921 }; 922 923 static inline void *devlink_priv(struct devlink *devlink) 924 { 925 BUG_ON(!devlink); 926 return &devlink->priv; 927 } 928 929 static inline struct devlink *priv_to_devlink(void *priv) 930 { 931 BUG_ON(!priv); 932 return container_of(priv, struct devlink, priv); 933 } 934 935 static inline struct devlink_port * 936 netdev_to_devlink_port(struct net_device *dev) 937 { 938 if (dev->netdev_ops->ndo_get_devlink_port) 939 return dev->netdev_ops->ndo_get_devlink_port(dev); 940 return NULL; 941 } 942 943 static inline struct devlink *netdev_to_devlink(struct net_device *dev) 944 { 945 struct devlink_port *devlink_port = netdev_to_devlink_port(dev); 946 947 if (devlink_port) 948 return devlink_port->devlink; 949 return NULL; 950 } 951 952 struct ib_device; 953 954 struct net *devlink_net(const struct devlink *devlink); 955 void devlink_net_set(struct devlink *devlink, struct net *net); 956 struct devlink *devlink_alloc(const struct devlink_ops *ops, size_t priv_size); 957 int devlink_register(struct devlink *devlink, struct device *dev); 958 void devlink_unregister(struct devlink *devlink); 959 void devlink_reload_enable(struct devlink *devlink); 960 void devlink_reload_disable(struct devlink *devlink); 961 void devlink_free(struct devlink *devlink); 962 int devlink_port_register(struct devlink *devlink, 963 struct devlink_port *devlink_port, 964 unsigned int port_index); 965 void devlink_port_unregister(struct devlink_port *devlink_port); 966 void devlink_port_type_eth_set(struct devlink_port *devlink_port, 967 struct net_device *netdev); 968 void devlink_port_type_ib_set(struct devlink_port *devlink_port, 969 struct ib_device *ibdev); 970 void devlink_port_type_clear(struct devlink_port *devlink_port); 971 void devlink_port_attrs_set(struct devlink_port *devlink_port, 972 enum devlink_port_flavour flavour, 973 u32 port_number, bool split, 974 u32 split_subport_number, 975 const unsigned char *switch_id, 976 unsigned char switch_id_len); 977 void devlink_port_attrs_pci_pf_set(struct devlink_port *devlink_port, 978 const unsigned char *switch_id, 979 unsigned char switch_id_len, u16 pf); 980 void devlink_port_attrs_pci_vf_set(struct devlink_port *devlink_port, 981 const unsigned char *switch_id, 982 unsigned char switch_id_len, 983 u16 pf, u16 vf); 984 int devlink_sb_register(struct devlink *devlink, unsigned int sb_index, 985 u32 size, u16 ingress_pools_count, 986 u16 egress_pools_count, u16 ingress_tc_count, 987 u16 egress_tc_count); 988 void devlink_sb_unregister(struct devlink *devlink, unsigned int sb_index); 989 int devlink_dpipe_table_register(struct devlink *devlink, 990 const char *table_name, 991 struct devlink_dpipe_table_ops *table_ops, 992 void *priv, bool counter_control_extern); 993 void devlink_dpipe_table_unregister(struct devlink *devlink, 994 const char *table_name); 995 int devlink_dpipe_headers_register(struct devlink *devlink, 996 struct devlink_dpipe_headers *dpipe_headers); 997 void devlink_dpipe_headers_unregister(struct devlink *devlink); 998 bool devlink_dpipe_table_counter_enabled(struct devlink *devlink, 999 const char *table_name); 1000 int devlink_dpipe_entry_ctx_prepare(struct devlink_dpipe_dump_ctx *dump_ctx); 1001 int devlink_dpipe_entry_ctx_append(struct devlink_dpipe_dump_ctx *dump_ctx, 1002 struct devlink_dpipe_entry *entry); 1003 int devlink_dpipe_entry_ctx_close(struct devlink_dpipe_dump_ctx *dump_ctx); 1004 void devlink_dpipe_entry_clear(struct devlink_dpipe_entry *entry); 1005 int devlink_dpipe_action_put(struct sk_buff *skb, 1006 struct devlink_dpipe_action *action); 1007 int devlink_dpipe_match_put(struct sk_buff *skb, 1008 struct devlink_dpipe_match *match); 1009 extern struct devlink_dpipe_header devlink_dpipe_header_ethernet; 1010 extern struct devlink_dpipe_header devlink_dpipe_header_ipv4; 1011 extern struct devlink_dpipe_header devlink_dpipe_header_ipv6; 1012 1013 int devlink_resource_register(struct devlink *devlink, 1014 const char *resource_name, 1015 u64 resource_size, 1016 u64 resource_id, 1017 u64 parent_resource_id, 1018 const struct devlink_resource_size_params *size_params); 1019 void devlink_resources_unregister(struct devlink *devlink, 1020 struct devlink_resource *resource); 1021 int devlink_resource_size_get(struct devlink *devlink, 1022 u64 resource_id, 1023 u64 *p_resource_size); 1024 int devlink_dpipe_table_resource_set(struct devlink *devlink, 1025 const char *table_name, u64 resource_id, 1026 u64 resource_units); 1027 void devlink_resource_occ_get_register(struct devlink *devlink, 1028 u64 resource_id, 1029 devlink_resource_occ_get_t *occ_get, 1030 void *occ_get_priv); 1031 void devlink_resource_occ_get_unregister(struct devlink *devlink, 1032 u64 resource_id); 1033 int devlink_params_register(struct devlink *devlink, 1034 const struct devlink_param *params, 1035 size_t params_count); 1036 void devlink_params_unregister(struct devlink *devlink, 1037 const struct devlink_param *params, 1038 size_t params_count); 1039 void devlink_params_publish(struct devlink *devlink); 1040 void devlink_params_unpublish(struct devlink *devlink); 1041 int devlink_port_params_register(struct devlink_port *devlink_port, 1042 const struct devlink_param *params, 1043 size_t params_count); 1044 void devlink_port_params_unregister(struct devlink_port *devlink_port, 1045 const struct devlink_param *params, 1046 size_t params_count); 1047 int devlink_param_driverinit_value_get(struct devlink *devlink, u32 param_id, 1048 union devlink_param_value *init_val); 1049 int devlink_param_driverinit_value_set(struct devlink *devlink, u32 param_id, 1050 union devlink_param_value init_val); 1051 int 1052 devlink_port_param_driverinit_value_get(struct devlink_port *devlink_port, 1053 u32 param_id, 1054 union devlink_param_value *init_val); 1055 int devlink_port_param_driverinit_value_set(struct devlink_port *devlink_port, 1056 u32 param_id, 1057 union devlink_param_value init_val); 1058 void devlink_param_value_changed(struct devlink *devlink, u32 param_id); 1059 void devlink_port_param_value_changed(struct devlink_port *devlink_port, 1060 u32 param_id); 1061 void devlink_param_value_str_fill(union devlink_param_value *dst_val, 1062 const char *src); 1063 struct devlink_region * 1064 devlink_region_create(struct devlink *devlink, 1065 const struct devlink_region_ops *ops, 1066 u32 region_max_snapshots, u64 region_size); 1067 void devlink_region_destroy(struct devlink_region *region); 1068 int devlink_region_snapshot_id_get(struct devlink *devlink, u32 *id); 1069 void devlink_region_snapshot_id_put(struct devlink *devlink, u32 id); 1070 int devlink_region_snapshot_create(struct devlink_region *region, 1071 u8 *data, u32 snapshot_id); 1072 int devlink_info_serial_number_put(struct devlink_info_req *req, 1073 const char *sn); 1074 int devlink_info_driver_name_put(struct devlink_info_req *req, 1075 const char *name); 1076 int devlink_info_version_fixed_put(struct devlink_info_req *req, 1077 const char *version_name, 1078 const char *version_value); 1079 int devlink_info_version_stored_put(struct devlink_info_req *req, 1080 const char *version_name, 1081 const char *version_value); 1082 int devlink_info_version_running_put(struct devlink_info_req *req, 1083 const char *version_name, 1084 const char *version_value); 1085 1086 int devlink_fmsg_obj_nest_start(struct devlink_fmsg *fmsg); 1087 int devlink_fmsg_obj_nest_end(struct devlink_fmsg *fmsg); 1088 1089 int devlink_fmsg_pair_nest_start(struct devlink_fmsg *fmsg, const char *name); 1090 int devlink_fmsg_pair_nest_end(struct devlink_fmsg *fmsg); 1091 1092 int devlink_fmsg_arr_pair_nest_start(struct devlink_fmsg *fmsg, 1093 const char *name); 1094 int devlink_fmsg_arr_pair_nest_end(struct devlink_fmsg *fmsg); 1095 int devlink_fmsg_binary_pair_nest_start(struct devlink_fmsg *fmsg, 1096 const char *name); 1097 int devlink_fmsg_binary_pair_nest_end(struct devlink_fmsg *fmsg); 1098 1099 int devlink_fmsg_bool_put(struct devlink_fmsg *fmsg, bool value); 1100 int devlink_fmsg_u8_put(struct devlink_fmsg *fmsg, u8 value); 1101 int devlink_fmsg_u32_put(struct devlink_fmsg *fmsg, u32 value); 1102 int devlink_fmsg_u64_put(struct devlink_fmsg *fmsg, u64 value); 1103 int devlink_fmsg_string_put(struct devlink_fmsg *fmsg, const char *value); 1104 int devlink_fmsg_binary_put(struct devlink_fmsg *fmsg, const void *value, 1105 u16 value_len); 1106 1107 int devlink_fmsg_bool_pair_put(struct devlink_fmsg *fmsg, const char *name, 1108 bool value); 1109 int devlink_fmsg_u8_pair_put(struct devlink_fmsg *fmsg, const char *name, 1110 u8 value); 1111 int devlink_fmsg_u32_pair_put(struct devlink_fmsg *fmsg, const char *name, 1112 u32 value); 1113 int devlink_fmsg_u64_pair_put(struct devlink_fmsg *fmsg, const char *name, 1114 u64 value); 1115 int devlink_fmsg_string_pair_put(struct devlink_fmsg *fmsg, const char *name, 1116 const char *value); 1117 int devlink_fmsg_binary_pair_put(struct devlink_fmsg *fmsg, const char *name, 1118 const void *value, u32 value_len); 1119 1120 struct devlink_health_reporter * 1121 devlink_health_reporter_create(struct devlink *devlink, 1122 const struct devlink_health_reporter_ops *ops, 1123 u64 graceful_period, void *priv); 1124 void 1125 devlink_health_reporter_destroy(struct devlink_health_reporter *reporter); 1126 1127 void * 1128 devlink_health_reporter_priv(struct devlink_health_reporter *reporter); 1129 int devlink_health_report(struct devlink_health_reporter *reporter, 1130 const char *msg, void *priv_ctx); 1131 void 1132 devlink_health_reporter_state_update(struct devlink_health_reporter *reporter, 1133 enum devlink_health_reporter_state state); 1134 void 1135 devlink_health_reporter_recovery_done(struct devlink_health_reporter *reporter); 1136 1137 bool devlink_is_reload_failed(const struct devlink *devlink); 1138 1139 void devlink_flash_update_begin_notify(struct devlink *devlink); 1140 void devlink_flash_update_end_notify(struct devlink *devlink); 1141 void devlink_flash_update_status_notify(struct devlink *devlink, 1142 const char *status_msg, 1143 const char *component, 1144 unsigned long done, 1145 unsigned long total); 1146 1147 int devlink_traps_register(struct devlink *devlink, 1148 const struct devlink_trap *traps, 1149 size_t traps_count, void *priv); 1150 void devlink_traps_unregister(struct devlink *devlink, 1151 const struct devlink_trap *traps, 1152 size_t traps_count); 1153 void devlink_trap_report(struct devlink *devlink, struct sk_buff *skb, 1154 void *trap_ctx, struct devlink_port *in_devlink_port, 1155 const struct flow_action_cookie *fa_cookie); 1156 void *devlink_trap_ctx_priv(void *trap_ctx); 1157 int devlink_trap_groups_register(struct devlink *devlink, 1158 const struct devlink_trap_group *groups, 1159 size_t groups_count); 1160 void devlink_trap_groups_unregister(struct devlink *devlink, 1161 const struct devlink_trap_group *groups, 1162 size_t groups_count); 1163 int 1164 devlink_trap_policers_register(struct devlink *devlink, 1165 const struct devlink_trap_policer *policers, 1166 size_t policers_count); 1167 void 1168 devlink_trap_policers_unregister(struct devlink *devlink, 1169 const struct devlink_trap_policer *policers, 1170 size_t policers_count); 1171 1172 #if IS_ENABLED(CONFIG_NET_DEVLINK) 1173 1174 void devlink_compat_running_version(struct net_device *dev, 1175 char *buf, size_t len); 1176 int devlink_compat_flash_update(struct net_device *dev, const char *file_name); 1177 int devlink_compat_phys_port_name_get(struct net_device *dev, 1178 char *name, size_t len); 1179 int devlink_compat_switch_id_get(struct net_device *dev, 1180 struct netdev_phys_item_id *ppid); 1181 1182 #else 1183 1184 static inline void 1185 devlink_compat_running_version(struct net_device *dev, char *buf, size_t len) 1186 { 1187 } 1188 1189 static inline int 1190 devlink_compat_flash_update(struct net_device *dev, const char *file_name) 1191 { 1192 return -EOPNOTSUPP; 1193 } 1194 1195 static inline int 1196 devlink_compat_phys_port_name_get(struct net_device *dev, 1197 char *name, size_t len) 1198 { 1199 return -EOPNOTSUPP; 1200 } 1201 1202 static inline int 1203 devlink_compat_switch_id_get(struct net_device *dev, 1204 struct netdev_phys_item_id *ppid) 1205 { 1206 return -EOPNOTSUPP; 1207 } 1208 1209 #endif 1210 1211 #endif /* _NET_DEVLINK_H_ */ 1212