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; /* If the port is split, this is the number of subport. */ 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 /** 68 * struct devlink_port_attrs - devlink port object 69 * @flavour: flavour of the port 70 * @split: indicates if this is split port 71 * @splittable: indicates if the port can be split. 72 * @lanes: maximum number of lanes the port supports. 0 value is not passed to netlink. 73 * @switch_id: if the port is part of switch, this is buffer with ID, otherwise this is NULL 74 */ 75 struct devlink_port_attrs { 76 u8 split:1, 77 splittable:1; 78 u32 lanes; 79 enum devlink_port_flavour flavour; 80 struct netdev_phys_item_id switch_id; 81 union { 82 struct devlink_port_phys_attrs phys; 83 struct devlink_port_pci_pf_attrs pci_pf; 84 struct devlink_port_pci_vf_attrs pci_vf; 85 }; 86 }; 87 88 struct devlink_port { 89 struct list_head list; 90 struct list_head param_list; 91 struct devlink *devlink; 92 unsigned int index; 93 bool registered; 94 spinlock_t type_lock; /* Protects type and type_dev 95 * pointer consistency. 96 */ 97 enum devlink_port_type type; 98 enum devlink_port_type desired_type; 99 void *type_dev; 100 struct devlink_port_attrs attrs; 101 u8 attrs_set:1, 102 switch_port:1; 103 struct delayed_work type_warn_dw; 104 struct list_head reporter_list; 105 struct mutex reporters_lock; /* Protects reporter_list */ 106 }; 107 108 struct devlink_sb_pool_info { 109 enum devlink_sb_pool_type pool_type; 110 u32 size; 111 enum devlink_sb_threshold_type threshold_type; 112 u32 cell_size; 113 }; 114 115 /** 116 * struct devlink_dpipe_field - dpipe field object 117 * @name: field name 118 * @id: index inside the headers field array 119 * @bitwidth: bitwidth 120 * @mapping_type: mapping type 121 */ 122 struct devlink_dpipe_field { 123 const char *name; 124 unsigned int id; 125 unsigned int bitwidth; 126 enum devlink_dpipe_field_mapping_type mapping_type; 127 }; 128 129 /** 130 * struct devlink_dpipe_header - dpipe header object 131 * @name: header name 132 * @id: index, global/local detrmined by global bit 133 * @fields: fields 134 * @fields_count: number of fields 135 * @global: indicates if header is shared like most protocol header 136 * or driver specific 137 */ 138 struct devlink_dpipe_header { 139 const char *name; 140 unsigned int id; 141 struct devlink_dpipe_field *fields; 142 unsigned int fields_count; 143 bool global; 144 }; 145 146 /** 147 * struct devlink_dpipe_match - represents match operation 148 * @type: type of match 149 * @header_index: header index (packets can have several headers of same 150 * type like in case of tunnels) 151 * @header: header 152 * @fieled_id: field index 153 */ 154 struct devlink_dpipe_match { 155 enum devlink_dpipe_match_type type; 156 unsigned int header_index; 157 struct devlink_dpipe_header *header; 158 unsigned int field_id; 159 }; 160 161 /** 162 * struct devlink_dpipe_action - represents action operation 163 * @type: type of action 164 * @header_index: header index (packets can have several headers of same 165 * type like in case of tunnels) 166 * @header: header 167 * @fieled_id: field index 168 */ 169 struct devlink_dpipe_action { 170 enum devlink_dpipe_action_type type; 171 unsigned int header_index; 172 struct devlink_dpipe_header *header; 173 unsigned int field_id; 174 }; 175 176 /** 177 * struct devlink_dpipe_value - represents value of match/action 178 * @action: action 179 * @match: match 180 * @mapping_value: in case the field has some mapping this value 181 * specified the mapping value 182 * @mapping_valid: specify if mapping value is valid 183 * @value_size: value size 184 * @value: value 185 * @mask: bit mask 186 */ 187 struct devlink_dpipe_value { 188 union { 189 struct devlink_dpipe_action *action; 190 struct devlink_dpipe_match *match; 191 }; 192 unsigned int mapping_value; 193 bool mapping_valid; 194 unsigned int value_size; 195 void *value; 196 void *mask; 197 }; 198 199 /** 200 * struct devlink_dpipe_entry - table entry object 201 * @index: index of the entry in the table 202 * @match_values: match values 203 * @matche_values_count: count of matches tuples 204 * @action_values: actions values 205 * @action_values_count: count of actions values 206 * @counter: value of counter 207 * @counter_valid: Specify if value is valid from hardware 208 */ 209 struct devlink_dpipe_entry { 210 u64 index; 211 struct devlink_dpipe_value *match_values; 212 unsigned int match_values_count; 213 struct devlink_dpipe_value *action_values; 214 unsigned int action_values_count; 215 u64 counter; 216 bool counter_valid; 217 }; 218 219 /** 220 * struct devlink_dpipe_dump_ctx - context provided to driver in order 221 * to dump 222 * @info: info 223 * @cmd: devlink command 224 * @skb: skb 225 * @nest: top attribute 226 * @hdr: hdr 227 */ 228 struct devlink_dpipe_dump_ctx { 229 struct genl_info *info; 230 enum devlink_command cmd; 231 struct sk_buff *skb; 232 struct nlattr *nest; 233 void *hdr; 234 }; 235 236 struct devlink_dpipe_table_ops; 237 238 /** 239 * struct devlink_dpipe_table - table object 240 * @priv: private 241 * @name: table name 242 * @counters_enabled: indicates if counters are active 243 * @counter_control_extern: indicates if counter control is in dpipe or 244 * external tool 245 * @resource_valid: Indicate that the resource id is valid 246 * @resource_id: relative resource this table is related to 247 * @resource_units: number of resource's unit consumed per table's entry 248 * @table_ops: table operations 249 * @rcu: rcu 250 */ 251 struct devlink_dpipe_table { 252 void *priv; 253 struct list_head list; 254 const char *name; 255 bool counters_enabled; 256 bool counter_control_extern; 257 bool resource_valid; 258 u64 resource_id; 259 u64 resource_units; 260 struct devlink_dpipe_table_ops *table_ops; 261 struct rcu_head rcu; 262 }; 263 264 /** 265 * struct devlink_dpipe_table_ops - dpipe_table ops 266 * @actions_dump - dumps all tables actions 267 * @matches_dump - dumps all tables matches 268 * @entries_dump - dumps all active entries in the table 269 * @counters_set_update - when changing the counter status hardware sync 270 * maybe needed to allocate/free counter related 271 * resources 272 * @size_get - get size 273 */ 274 struct devlink_dpipe_table_ops { 275 int (*actions_dump)(void *priv, struct sk_buff *skb); 276 int (*matches_dump)(void *priv, struct sk_buff *skb); 277 int (*entries_dump)(void *priv, bool counters_enabled, 278 struct devlink_dpipe_dump_ctx *dump_ctx); 279 int (*counters_set_update)(void *priv, bool enable); 280 u64 (*size_get)(void *priv); 281 }; 282 283 /** 284 * struct devlink_dpipe_headers - dpipe headers 285 * @headers - header array can be shared (global bit) or driver specific 286 * @headers_count - count of headers 287 */ 288 struct devlink_dpipe_headers { 289 struct devlink_dpipe_header **headers; 290 unsigned int headers_count; 291 }; 292 293 /** 294 * struct devlink_resource_size_params - resource's size parameters 295 * @size_min: minimum size which can be set 296 * @size_max: maximum size which can be set 297 * @size_granularity: size granularity 298 * @size_unit: resource's basic unit 299 */ 300 struct devlink_resource_size_params { 301 u64 size_min; 302 u64 size_max; 303 u64 size_granularity; 304 enum devlink_resource_unit unit; 305 }; 306 307 static inline void 308 devlink_resource_size_params_init(struct devlink_resource_size_params *size_params, 309 u64 size_min, u64 size_max, 310 u64 size_granularity, 311 enum devlink_resource_unit unit) 312 { 313 size_params->size_min = size_min; 314 size_params->size_max = size_max; 315 size_params->size_granularity = size_granularity; 316 size_params->unit = unit; 317 } 318 319 typedef u64 devlink_resource_occ_get_t(void *priv); 320 321 /** 322 * struct devlink_resource - devlink resource 323 * @name: name of the resource 324 * @id: id, per devlink instance 325 * @size: size of the resource 326 * @size_new: updated size of the resource, reload is needed 327 * @size_valid: valid in case the total size of the resource is valid 328 * including its children 329 * @parent: parent resource 330 * @size_params: size parameters 331 * @list: parent list 332 * @resource_list: list of child resources 333 */ 334 struct devlink_resource { 335 const char *name; 336 u64 id; 337 u64 size; 338 u64 size_new; 339 bool size_valid; 340 struct devlink_resource *parent; 341 struct devlink_resource_size_params size_params; 342 struct list_head list; 343 struct list_head resource_list; 344 devlink_resource_occ_get_t *occ_get; 345 void *occ_get_priv; 346 }; 347 348 #define DEVLINK_RESOURCE_ID_PARENT_TOP 0 349 350 #define __DEVLINK_PARAM_MAX_STRING_VALUE 32 351 enum devlink_param_type { 352 DEVLINK_PARAM_TYPE_U8, 353 DEVLINK_PARAM_TYPE_U16, 354 DEVLINK_PARAM_TYPE_U32, 355 DEVLINK_PARAM_TYPE_STRING, 356 DEVLINK_PARAM_TYPE_BOOL, 357 }; 358 359 union devlink_param_value { 360 u8 vu8; 361 u16 vu16; 362 u32 vu32; 363 char vstr[__DEVLINK_PARAM_MAX_STRING_VALUE]; 364 bool vbool; 365 }; 366 367 struct devlink_param_gset_ctx { 368 union devlink_param_value val; 369 enum devlink_param_cmode cmode; 370 }; 371 372 /** 373 * struct devlink_param - devlink configuration parameter data 374 * @name: name of the parameter 375 * @generic: indicates if the parameter is generic or driver specific 376 * @type: parameter type 377 * @supported_cmodes: bitmap of supported configuration modes 378 * @get: get parameter value, used for runtime and permanent 379 * configuration modes 380 * @set: set parameter value, used for runtime and permanent 381 * configuration modes 382 * @validate: validate input value is applicable (within value range, etc.) 383 * 384 * This struct should be used by the driver to fill the data for 385 * a parameter it registers. 386 */ 387 struct devlink_param { 388 u32 id; 389 const char *name; 390 bool generic; 391 enum devlink_param_type type; 392 unsigned long supported_cmodes; 393 int (*get)(struct devlink *devlink, u32 id, 394 struct devlink_param_gset_ctx *ctx); 395 int (*set)(struct devlink *devlink, u32 id, 396 struct devlink_param_gset_ctx *ctx); 397 int (*validate)(struct devlink *devlink, u32 id, 398 union devlink_param_value val, 399 struct netlink_ext_ack *extack); 400 }; 401 402 struct devlink_param_item { 403 struct list_head list; 404 const struct devlink_param *param; 405 union devlink_param_value driverinit_value; 406 bool driverinit_value_valid; 407 bool published; 408 }; 409 410 enum devlink_param_generic_id { 411 DEVLINK_PARAM_GENERIC_ID_INT_ERR_RESET, 412 DEVLINK_PARAM_GENERIC_ID_MAX_MACS, 413 DEVLINK_PARAM_GENERIC_ID_ENABLE_SRIOV, 414 DEVLINK_PARAM_GENERIC_ID_REGION_SNAPSHOT, 415 DEVLINK_PARAM_GENERIC_ID_IGNORE_ARI, 416 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX, 417 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN, 418 DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY, 419 DEVLINK_PARAM_GENERIC_ID_RESET_DEV_ON_DRV_PROBE, 420 DEVLINK_PARAM_GENERIC_ID_ENABLE_ROCE, 421 422 /* add new param generic ids above here*/ 423 __DEVLINK_PARAM_GENERIC_ID_MAX, 424 DEVLINK_PARAM_GENERIC_ID_MAX = __DEVLINK_PARAM_GENERIC_ID_MAX - 1, 425 }; 426 427 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_NAME "internal_error_reset" 428 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL 429 430 #define DEVLINK_PARAM_GENERIC_MAX_MACS_NAME "max_macs" 431 #define DEVLINK_PARAM_GENERIC_MAX_MACS_TYPE DEVLINK_PARAM_TYPE_U32 432 433 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_NAME "enable_sriov" 434 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_TYPE DEVLINK_PARAM_TYPE_BOOL 435 436 #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_NAME "region_snapshot_enable" 437 #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_TYPE DEVLINK_PARAM_TYPE_BOOL 438 439 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_NAME "ignore_ari" 440 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_TYPE DEVLINK_PARAM_TYPE_BOOL 441 442 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_NAME "msix_vec_per_pf_max" 443 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_TYPE DEVLINK_PARAM_TYPE_U32 444 445 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_NAME "msix_vec_per_pf_min" 446 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_TYPE DEVLINK_PARAM_TYPE_U32 447 448 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_NAME "fw_load_policy" 449 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_TYPE DEVLINK_PARAM_TYPE_U8 450 451 #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_NAME \ 452 "reset_dev_on_drv_probe" 453 #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_TYPE DEVLINK_PARAM_TYPE_U8 454 455 #define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_NAME "enable_roce" 456 #define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_TYPE DEVLINK_PARAM_TYPE_BOOL 457 458 #define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate) \ 459 { \ 460 .id = DEVLINK_PARAM_GENERIC_ID_##_id, \ 461 .name = DEVLINK_PARAM_GENERIC_##_id##_NAME, \ 462 .type = DEVLINK_PARAM_GENERIC_##_id##_TYPE, \ 463 .generic = true, \ 464 .supported_cmodes = _cmodes, \ 465 .get = _get, \ 466 .set = _set, \ 467 .validate = _validate, \ 468 } 469 470 #define DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, _get, _set, _validate) \ 471 { \ 472 .id = _id, \ 473 .name = _name, \ 474 .type = _type, \ 475 .supported_cmodes = _cmodes, \ 476 .get = _get, \ 477 .set = _set, \ 478 .validate = _validate, \ 479 } 480 481 /* Part number, identifier of board design */ 482 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_ID "board.id" 483 /* Revision of board design */ 484 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_REV "board.rev" 485 /* Maker of the board */ 486 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_MANUFACTURE "board.manufacture" 487 488 /* Part number, identifier of asic design */ 489 #define DEVLINK_INFO_VERSION_GENERIC_ASIC_ID "asic.id" 490 /* Revision of asic design */ 491 #define DEVLINK_INFO_VERSION_GENERIC_ASIC_REV "asic.rev" 492 493 /* Overall FW version */ 494 #define DEVLINK_INFO_VERSION_GENERIC_FW "fw" 495 /* Control processor FW version */ 496 #define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT "fw.mgmt" 497 /* FW interface specification version */ 498 #define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT_API "fw.mgmt.api" 499 /* Data path microcode controlling high-speed packet processing */ 500 #define DEVLINK_INFO_VERSION_GENERIC_FW_APP "fw.app" 501 /* UNDI software version */ 502 #define DEVLINK_INFO_VERSION_GENERIC_FW_UNDI "fw.undi" 503 /* NCSI support/handler version */ 504 #define DEVLINK_INFO_VERSION_GENERIC_FW_NCSI "fw.ncsi" 505 /* FW parameter set id */ 506 #define DEVLINK_INFO_VERSION_GENERIC_FW_PSID "fw.psid" 507 /* RoCE FW version */ 508 #define DEVLINK_INFO_VERSION_GENERIC_FW_ROCE "fw.roce" 509 /* Firmware bundle identifier */ 510 #define DEVLINK_INFO_VERSION_GENERIC_FW_BUNDLE_ID "fw.bundle_id" 511 512 struct devlink_region; 513 struct devlink_info_req; 514 515 /** 516 * struct devlink_region_ops - Region operations 517 * @name: region name 518 * @destructor: callback used to free snapshot memory when deleting 519 * @snapshot: callback to request an immediate snapshot. On success, 520 * the data variable must be updated to point to the snapshot data. 521 * The function will be called while the devlink instance lock is 522 * held. 523 */ 524 struct devlink_region_ops { 525 const char *name; 526 void (*destructor)(const void *data); 527 int (*snapshot)(struct devlink *devlink, struct netlink_ext_ack *extack, 528 u8 **data); 529 }; 530 531 struct devlink_fmsg; 532 struct devlink_health_reporter; 533 534 enum devlink_health_reporter_state { 535 DEVLINK_HEALTH_REPORTER_STATE_HEALTHY, 536 DEVLINK_HEALTH_REPORTER_STATE_ERROR, 537 }; 538 539 /** 540 * struct devlink_health_reporter_ops - Reporter operations 541 * @name: reporter name 542 * @recover: callback to recover from reported error 543 * if priv_ctx is NULL, run a full recover 544 * @dump: callback to dump an object 545 * if priv_ctx is NULL, run a full dump 546 * @diagnose: callback to diagnose the current status 547 */ 548 549 struct devlink_health_reporter_ops { 550 char *name; 551 int (*recover)(struct devlink_health_reporter *reporter, 552 void *priv_ctx, struct netlink_ext_ack *extack); 553 int (*dump)(struct devlink_health_reporter *reporter, 554 struct devlink_fmsg *fmsg, void *priv_ctx, 555 struct netlink_ext_ack *extack); 556 int (*diagnose)(struct devlink_health_reporter *reporter, 557 struct devlink_fmsg *fmsg, 558 struct netlink_ext_ack *extack); 559 }; 560 561 /** 562 * struct devlink_trap_policer - Immutable packet trap policer attributes. 563 * @id: Policer identifier. 564 * @init_rate: Initial rate in packets / sec. 565 * @init_burst: Initial burst size in packets. 566 * @max_rate: Maximum rate. 567 * @min_rate: Minimum rate. 568 * @max_burst: Maximum burst size. 569 * @min_burst: Minimum burst size. 570 * 571 * Describes immutable attributes of packet trap policers that drivers register 572 * with devlink. 573 */ 574 struct devlink_trap_policer { 575 u32 id; 576 u64 init_rate; 577 u64 init_burst; 578 u64 max_rate; 579 u64 min_rate; 580 u64 max_burst; 581 u64 min_burst; 582 }; 583 584 /** 585 * struct devlink_trap_group - Immutable packet trap group attributes. 586 * @name: Trap group name. 587 * @id: Trap group identifier. 588 * @generic: Whether the trap group is generic or not. 589 * @init_policer_id: Initial policer identifier. 590 * 591 * Describes immutable attributes of packet trap groups that drivers register 592 * with devlink. 593 */ 594 struct devlink_trap_group { 595 const char *name; 596 u16 id; 597 bool generic; 598 u32 init_policer_id; 599 }; 600 601 #define DEVLINK_TRAP_METADATA_TYPE_F_IN_PORT BIT(0) 602 #define DEVLINK_TRAP_METADATA_TYPE_F_FA_COOKIE BIT(1) 603 604 /** 605 * struct devlink_trap - Immutable packet trap attributes. 606 * @type: Trap type. 607 * @init_action: Initial trap action. 608 * @generic: Whether the trap is generic or not. 609 * @id: Trap identifier. 610 * @name: Trap name. 611 * @init_group_id: Initial group identifier. 612 * @metadata_cap: Metadata types that can be provided by the trap. 613 * 614 * Describes immutable attributes of packet traps that drivers register with 615 * devlink. 616 */ 617 struct devlink_trap { 618 enum devlink_trap_type type; 619 enum devlink_trap_action init_action; 620 bool generic; 621 u16 id; 622 const char *name; 623 u16 init_group_id; 624 u32 metadata_cap; 625 }; 626 627 /* All traps must be documented in 628 * Documentation/networking/devlink/devlink-trap.rst 629 */ 630 enum devlink_trap_generic_id { 631 DEVLINK_TRAP_GENERIC_ID_SMAC_MC, 632 DEVLINK_TRAP_GENERIC_ID_VLAN_TAG_MISMATCH, 633 DEVLINK_TRAP_GENERIC_ID_INGRESS_VLAN_FILTER, 634 DEVLINK_TRAP_GENERIC_ID_INGRESS_STP_FILTER, 635 DEVLINK_TRAP_GENERIC_ID_EMPTY_TX_LIST, 636 DEVLINK_TRAP_GENERIC_ID_PORT_LOOPBACK_FILTER, 637 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_ROUTE, 638 DEVLINK_TRAP_GENERIC_ID_TTL_ERROR, 639 DEVLINK_TRAP_GENERIC_ID_TAIL_DROP, 640 DEVLINK_TRAP_GENERIC_ID_NON_IP_PACKET, 641 DEVLINK_TRAP_GENERIC_ID_UC_DIP_MC_DMAC, 642 DEVLINK_TRAP_GENERIC_ID_DIP_LB, 643 DEVLINK_TRAP_GENERIC_ID_SIP_MC, 644 DEVLINK_TRAP_GENERIC_ID_SIP_LB, 645 DEVLINK_TRAP_GENERIC_ID_CORRUPTED_IP_HDR, 646 DEVLINK_TRAP_GENERIC_ID_IPV4_SIP_BC, 647 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_RESERVED_SCOPE, 648 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE, 649 DEVLINK_TRAP_GENERIC_ID_MTU_ERROR, 650 DEVLINK_TRAP_GENERIC_ID_UNRESOLVED_NEIGH, 651 DEVLINK_TRAP_GENERIC_ID_RPF, 652 DEVLINK_TRAP_GENERIC_ID_REJECT_ROUTE, 653 DEVLINK_TRAP_GENERIC_ID_IPV4_LPM_UNICAST_MISS, 654 DEVLINK_TRAP_GENERIC_ID_IPV6_LPM_UNICAST_MISS, 655 DEVLINK_TRAP_GENERIC_ID_NON_ROUTABLE, 656 DEVLINK_TRAP_GENERIC_ID_DECAP_ERROR, 657 DEVLINK_TRAP_GENERIC_ID_OVERLAY_SMAC_MC, 658 DEVLINK_TRAP_GENERIC_ID_INGRESS_FLOW_ACTION_DROP, 659 DEVLINK_TRAP_GENERIC_ID_EGRESS_FLOW_ACTION_DROP, 660 DEVLINK_TRAP_GENERIC_ID_STP, 661 DEVLINK_TRAP_GENERIC_ID_LACP, 662 DEVLINK_TRAP_GENERIC_ID_LLDP, 663 DEVLINK_TRAP_GENERIC_ID_IGMP_QUERY, 664 DEVLINK_TRAP_GENERIC_ID_IGMP_V1_REPORT, 665 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_REPORT, 666 DEVLINK_TRAP_GENERIC_ID_IGMP_V3_REPORT, 667 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_LEAVE, 668 DEVLINK_TRAP_GENERIC_ID_MLD_QUERY, 669 DEVLINK_TRAP_GENERIC_ID_MLD_V1_REPORT, 670 DEVLINK_TRAP_GENERIC_ID_MLD_V2_REPORT, 671 DEVLINK_TRAP_GENERIC_ID_MLD_V1_DONE, 672 DEVLINK_TRAP_GENERIC_ID_IPV4_DHCP, 673 DEVLINK_TRAP_GENERIC_ID_IPV6_DHCP, 674 DEVLINK_TRAP_GENERIC_ID_ARP_REQUEST, 675 DEVLINK_TRAP_GENERIC_ID_ARP_RESPONSE, 676 DEVLINK_TRAP_GENERIC_ID_ARP_OVERLAY, 677 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_SOLICIT, 678 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_ADVERT, 679 DEVLINK_TRAP_GENERIC_ID_IPV4_BFD, 680 DEVLINK_TRAP_GENERIC_ID_IPV6_BFD, 681 DEVLINK_TRAP_GENERIC_ID_IPV4_OSPF, 682 DEVLINK_TRAP_GENERIC_ID_IPV6_OSPF, 683 DEVLINK_TRAP_GENERIC_ID_IPV4_BGP, 684 DEVLINK_TRAP_GENERIC_ID_IPV6_BGP, 685 DEVLINK_TRAP_GENERIC_ID_IPV4_VRRP, 686 DEVLINK_TRAP_GENERIC_ID_IPV6_VRRP, 687 DEVLINK_TRAP_GENERIC_ID_IPV4_PIM, 688 DEVLINK_TRAP_GENERIC_ID_IPV6_PIM, 689 DEVLINK_TRAP_GENERIC_ID_UC_LB, 690 DEVLINK_TRAP_GENERIC_ID_LOCAL_ROUTE, 691 DEVLINK_TRAP_GENERIC_ID_EXTERNAL_ROUTE, 692 DEVLINK_TRAP_GENERIC_ID_IPV6_UC_DIP_LINK_LOCAL_SCOPE, 693 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_NODES, 694 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_ROUTERS, 695 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_SOLICIT, 696 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ADVERT, 697 DEVLINK_TRAP_GENERIC_ID_IPV6_REDIRECT, 698 DEVLINK_TRAP_GENERIC_ID_IPV4_ROUTER_ALERT, 699 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ALERT, 700 DEVLINK_TRAP_GENERIC_ID_PTP_EVENT, 701 DEVLINK_TRAP_GENERIC_ID_PTP_GENERAL, 702 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_SAMPLE, 703 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_TRAP, 704 705 /* Add new generic trap IDs above */ 706 __DEVLINK_TRAP_GENERIC_ID_MAX, 707 DEVLINK_TRAP_GENERIC_ID_MAX = __DEVLINK_TRAP_GENERIC_ID_MAX - 1, 708 }; 709 710 /* All trap groups must be documented in 711 * Documentation/networking/devlink/devlink-trap.rst 712 */ 713 enum devlink_trap_group_generic_id { 714 DEVLINK_TRAP_GROUP_GENERIC_ID_L2_DROPS, 715 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_DROPS, 716 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_EXCEPTIONS, 717 DEVLINK_TRAP_GROUP_GENERIC_ID_BUFFER_DROPS, 718 DEVLINK_TRAP_GROUP_GENERIC_ID_TUNNEL_DROPS, 719 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_DROPS, 720 DEVLINK_TRAP_GROUP_GENERIC_ID_STP, 721 DEVLINK_TRAP_GROUP_GENERIC_ID_LACP, 722 DEVLINK_TRAP_GROUP_GENERIC_ID_LLDP, 723 DEVLINK_TRAP_GROUP_GENERIC_ID_MC_SNOOPING, 724 DEVLINK_TRAP_GROUP_GENERIC_ID_DHCP, 725 DEVLINK_TRAP_GROUP_GENERIC_ID_NEIGH_DISCOVERY, 726 DEVLINK_TRAP_GROUP_GENERIC_ID_BFD, 727 DEVLINK_TRAP_GROUP_GENERIC_ID_OSPF, 728 DEVLINK_TRAP_GROUP_GENERIC_ID_BGP, 729 DEVLINK_TRAP_GROUP_GENERIC_ID_VRRP, 730 DEVLINK_TRAP_GROUP_GENERIC_ID_PIM, 731 DEVLINK_TRAP_GROUP_GENERIC_ID_UC_LB, 732 DEVLINK_TRAP_GROUP_GENERIC_ID_LOCAL_DELIVERY, 733 DEVLINK_TRAP_GROUP_GENERIC_ID_IPV6, 734 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_EVENT, 735 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_GENERAL, 736 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_SAMPLE, 737 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_TRAP, 738 739 /* Add new generic trap group IDs above */ 740 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX, 741 DEVLINK_TRAP_GROUP_GENERIC_ID_MAX = 742 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX - 1, 743 }; 744 745 #define DEVLINK_TRAP_GENERIC_NAME_SMAC_MC \ 746 "source_mac_is_multicast" 747 #define DEVLINK_TRAP_GENERIC_NAME_VLAN_TAG_MISMATCH \ 748 "vlan_tag_mismatch" 749 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_VLAN_FILTER \ 750 "ingress_vlan_filter" 751 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_STP_FILTER \ 752 "ingress_spanning_tree_filter" 753 #define DEVLINK_TRAP_GENERIC_NAME_EMPTY_TX_LIST \ 754 "port_list_is_empty" 755 #define DEVLINK_TRAP_GENERIC_NAME_PORT_LOOPBACK_FILTER \ 756 "port_loopback_filter" 757 #define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_ROUTE \ 758 "blackhole_route" 759 #define DEVLINK_TRAP_GENERIC_NAME_TTL_ERROR \ 760 "ttl_value_is_too_small" 761 #define DEVLINK_TRAP_GENERIC_NAME_TAIL_DROP \ 762 "tail_drop" 763 #define DEVLINK_TRAP_GENERIC_NAME_NON_IP_PACKET \ 764 "non_ip" 765 #define DEVLINK_TRAP_GENERIC_NAME_UC_DIP_MC_DMAC \ 766 "uc_dip_over_mc_dmac" 767 #define DEVLINK_TRAP_GENERIC_NAME_DIP_LB \ 768 "dip_is_loopback_address" 769 #define DEVLINK_TRAP_GENERIC_NAME_SIP_MC \ 770 "sip_is_mc" 771 #define DEVLINK_TRAP_GENERIC_NAME_SIP_LB \ 772 "sip_is_loopback_address" 773 #define DEVLINK_TRAP_GENERIC_NAME_CORRUPTED_IP_HDR \ 774 "ip_header_corrupted" 775 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_SIP_BC \ 776 "ipv4_sip_is_limited_bc" 777 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_RESERVED_SCOPE \ 778 "ipv6_mc_dip_reserved_scope" 779 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE \ 780 "ipv6_mc_dip_interface_local_scope" 781 #define DEVLINK_TRAP_GENERIC_NAME_MTU_ERROR \ 782 "mtu_value_is_too_small" 783 #define DEVLINK_TRAP_GENERIC_NAME_UNRESOLVED_NEIGH \ 784 "unresolved_neigh" 785 #define DEVLINK_TRAP_GENERIC_NAME_RPF \ 786 "mc_reverse_path_forwarding" 787 #define DEVLINK_TRAP_GENERIC_NAME_REJECT_ROUTE \ 788 "reject_route" 789 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_LPM_UNICAST_MISS \ 790 "ipv4_lpm_miss" 791 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_LPM_UNICAST_MISS \ 792 "ipv6_lpm_miss" 793 #define DEVLINK_TRAP_GENERIC_NAME_NON_ROUTABLE \ 794 "non_routable_packet" 795 #define DEVLINK_TRAP_GENERIC_NAME_DECAP_ERROR \ 796 "decap_error" 797 #define DEVLINK_TRAP_GENERIC_NAME_OVERLAY_SMAC_MC \ 798 "overlay_smac_is_mc" 799 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_FLOW_ACTION_DROP \ 800 "ingress_flow_action_drop" 801 #define DEVLINK_TRAP_GENERIC_NAME_EGRESS_FLOW_ACTION_DROP \ 802 "egress_flow_action_drop" 803 #define DEVLINK_TRAP_GENERIC_NAME_STP \ 804 "stp" 805 #define DEVLINK_TRAP_GENERIC_NAME_LACP \ 806 "lacp" 807 #define DEVLINK_TRAP_GENERIC_NAME_LLDP \ 808 "lldp" 809 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_QUERY \ 810 "igmp_query" 811 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V1_REPORT \ 812 "igmp_v1_report" 813 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_REPORT \ 814 "igmp_v2_report" 815 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V3_REPORT \ 816 "igmp_v3_report" 817 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_LEAVE \ 818 "igmp_v2_leave" 819 #define DEVLINK_TRAP_GENERIC_NAME_MLD_QUERY \ 820 "mld_query" 821 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_REPORT \ 822 "mld_v1_report" 823 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V2_REPORT \ 824 "mld_v2_report" 825 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_DONE \ 826 "mld_v1_done" 827 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_DHCP \ 828 "ipv4_dhcp" 829 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DHCP \ 830 "ipv6_dhcp" 831 #define DEVLINK_TRAP_GENERIC_NAME_ARP_REQUEST \ 832 "arp_request" 833 #define DEVLINK_TRAP_GENERIC_NAME_ARP_RESPONSE \ 834 "arp_response" 835 #define DEVLINK_TRAP_GENERIC_NAME_ARP_OVERLAY \ 836 "arp_overlay" 837 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_SOLICIT \ 838 "ipv6_neigh_solicit" 839 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_ADVERT \ 840 "ipv6_neigh_advert" 841 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_BFD \ 842 "ipv4_bfd" 843 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_BFD \ 844 "ipv6_bfd" 845 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_OSPF \ 846 "ipv4_ospf" 847 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_OSPF \ 848 "ipv6_ospf" 849 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_BGP \ 850 "ipv4_bgp" 851 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_BGP \ 852 "ipv6_bgp" 853 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_VRRP \ 854 "ipv4_vrrp" 855 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_VRRP \ 856 "ipv6_vrrp" 857 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_PIM \ 858 "ipv4_pim" 859 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_PIM \ 860 "ipv6_pim" 861 #define DEVLINK_TRAP_GENERIC_NAME_UC_LB \ 862 "uc_loopback" 863 #define DEVLINK_TRAP_GENERIC_NAME_LOCAL_ROUTE \ 864 "local_route" 865 #define DEVLINK_TRAP_GENERIC_NAME_EXTERNAL_ROUTE \ 866 "external_route" 867 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_UC_DIP_LINK_LOCAL_SCOPE \ 868 "ipv6_uc_dip_link_local_scope" 869 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_NODES \ 870 "ipv6_dip_all_nodes" 871 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_ROUTERS \ 872 "ipv6_dip_all_routers" 873 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_SOLICIT \ 874 "ipv6_router_solicit" 875 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ADVERT \ 876 "ipv6_router_advert" 877 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_REDIRECT \ 878 "ipv6_redirect" 879 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_ROUTER_ALERT \ 880 "ipv4_router_alert" 881 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ALERT \ 882 "ipv6_router_alert" 883 #define DEVLINK_TRAP_GENERIC_NAME_PTP_EVENT \ 884 "ptp_event" 885 #define DEVLINK_TRAP_GENERIC_NAME_PTP_GENERAL \ 886 "ptp_general" 887 #define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_SAMPLE \ 888 "flow_action_sample" 889 #define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_TRAP \ 890 "flow_action_trap" 891 892 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L2_DROPS \ 893 "l2_drops" 894 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_DROPS \ 895 "l3_drops" 896 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_EXCEPTIONS \ 897 "l3_exceptions" 898 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BUFFER_DROPS \ 899 "buffer_drops" 900 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_TUNNEL_DROPS \ 901 "tunnel_drops" 902 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_DROPS \ 903 "acl_drops" 904 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_STP \ 905 "stp" 906 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LACP \ 907 "lacp" 908 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LLDP \ 909 "lldp" 910 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_MC_SNOOPING \ 911 "mc_snooping" 912 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_DHCP \ 913 "dhcp" 914 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_NEIGH_DISCOVERY \ 915 "neigh_discovery" 916 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BFD \ 917 "bfd" 918 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_OSPF \ 919 "ospf" 920 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BGP \ 921 "bgp" 922 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_VRRP \ 923 "vrrp" 924 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PIM \ 925 "pim" 926 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_UC_LB \ 927 "uc_loopback" 928 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LOCAL_DELIVERY \ 929 "local_delivery" 930 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_IPV6 \ 931 "ipv6" 932 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_EVENT \ 933 "ptp_event" 934 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_GENERAL \ 935 "ptp_general" 936 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_SAMPLE \ 937 "acl_sample" 938 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_TRAP \ 939 "acl_trap" 940 941 #define DEVLINK_TRAP_GENERIC(_type, _init_action, _id, _group_id, \ 942 _metadata_cap) \ 943 { \ 944 .type = DEVLINK_TRAP_TYPE_##_type, \ 945 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \ 946 .generic = true, \ 947 .id = DEVLINK_TRAP_GENERIC_ID_##_id, \ 948 .name = DEVLINK_TRAP_GENERIC_NAME_##_id, \ 949 .init_group_id = _group_id, \ 950 .metadata_cap = _metadata_cap, \ 951 } 952 953 #define DEVLINK_TRAP_DRIVER(_type, _init_action, _id, _name, _group_id, \ 954 _metadata_cap) \ 955 { \ 956 .type = DEVLINK_TRAP_TYPE_##_type, \ 957 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \ 958 .generic = false, \ 959 .id = _id, \ 960 .name = _name, \ 961 .init_group_id = _group_id, \ 962 .metadata_cap = _metadata_cap, \ 963 } 964 965 #define DEVLINK_TRAP_GROUP_GENERIC(_id, _policer_id) \ 966 { \ 967 .name = DEVLINK_TRAP_GROUP_GENERIC_NAME_##_id, \ 968 .id = DEVLINK_TRAP_GROUP_GENERIC_ID_##_id, \ 969 .generic = true, \ 970 .init_policer_id = _policer_id, \ 971 } 972 973 #define DEVLINK_TRAP_POLICER(_id, _rate, _burst, _max_rate, _min_rate, \ 974 _max_burst, _min_burst) \ 975 { \ 976 .id = _id, \ 977 .init_rate = _rate, \ 978 .init_burst = _burst, \ 979 .max_rate = _max_rate, \ 980 .min_rate = _min_rate, \ 981 .max_burst = _max_burst, \ 982 .min_burst = _min_burst, \ 983 } 984 985 struct devlink_ops { 986 int (*reload_down)(struct devlink *devlink, bool netns_change, 987 struct netlink_ext_ack *extack); 988 int (*reload_up)(struct devlink *devlink, 989 struct netlink_ext_ack *extack); 990 int (*port_type_set)(struct devlink_port *devlink_port, 991 enum devlink_port_type port_type); 992 int (*port_split)(struct devlink *devlink, unsigned int port_index, 993 unsigned int count, struct netlink_ext_ack *extack); 994 int (*port_unsplit)(struct devlink *devlink, unsigned int port_index, 995 struct netlink_ext_ack *extack); 996 int (*sb_pool_get)(struct devlink *devlink, unsigned int sb_index, 997 u16 pool_index, 998 struct devlink_sb_pool_info *pool_info); 999 int (*sb_pool_set)(struct devlink *devlink, unsigned int sb_index, 1000 u16 pool_index, u32 size, 1001 enum devlink_sb_threshold_type threshold_type, 1002 struct netlink_ext_ack *extack); 1003 int (*sb_port_pool_get)(struct devlink_port *devlink_port, 1004 unsigned int sb_index, u16 pool_index, 1005 u32 *p_threshold); 1006 int (*sb_port_pool_set)(struct devlink_port *devlink_port, 1007 unsigned int sb_index, u16 pool_index, 1008 u32 threshold, struct netlink_ext_ack *extack); 1009 int (*sb_tc_pool_bind_get)(struct devlink_port *devlink_port, 1010 unsigned int sb_index, 1011 u16 tc_index, 1012 enum devlink_sb_pool_type pool_type, 1013 u16 *p_pool_index, u32 *p_threshold); 1014 int (*sb_tc_pool_bind_set)(struct devlink_port *devlink_port, 1015 unsigned int sb_index, 1016 u16 tc_index, 1017 enum devlink_sb_pool_type pool_type, 1018 u16 pool_index, u32 threshold, 1019 struct netlink_ext_ack *extack); 1020 int (*sb_occ_snapshot)(struct devlink *devlink, 1021 unsigned int sb_index); 1022 int (*sb_occ_max_clear)(struct devlink *devlink, 1023 unsigned int sb_index); 1024 int (*sb_occ_port_pool_get)(struct devlink_port *devlink_port, 1025 unsigned int sb_index, u16 pool_index, 1026 u32 *p_cur, u32 *p_max); 1027 int (*sb_occ_tc_port_bind_get)(struct devlink_port *devlink_port, 1028 unsigned int sb_index, 1029 u16 tc_index, 1030 enum devlink_sb_pool_type pool_type, 1031 u32 *p_cur, u32 *p_max); 1032 1033 int (*eswitch_mode_get)(struct devlink *devlink, u16 *p_mode); 1034 int (*eswitch_mode_set)(struct devlink *devlink, u16 mode, 1035 struct netlink_ext_ack *extack); 1036 int (*eswitch_inline_mode_get)(struct devlink *devlink, u8 *p_inline_mode); 1037 int (*eswitch_inline_mode_set)(struct devlink *devlink, u8 inline_mode, 1038 struct netlink_ext_ack *extack); 1039 int (*eswitch_encap_mode_get)(struct devlink *devlink, 1040 enum devlink_eswitch_encap_mode *p_encap_mode); 1041 int (*eswitch_encap_mode_set)(struct devlink *devlink, 1042 enum devlink_eswitch_encap_mode encap_mode, 1043 struct netlink_ext_ack *extack); 1044 int (*info_get)(struct devlink *devlink, struct devlink_info_req *req, 1045 struct netlink_ext_ack *extack); 1046 int (*flash_update)(struct devlink *devlink, const char *file_name, 1047 const char *component, 1048 struct netlink_ext_ack *extack); 1049 /** 1050 * @trap_init: Trap initialization function. 1051 * 1052 * Should be used by device drivers to initialize the trap in the 1053 * underlying device. Drivers should also store the provided trap 1054 * context, so that they could efficiently pass it to 1055 * devlink_trap_report() when the trap is triggered. 1056 */ 1057 int (*trap_init)(struct devlink *devlink, 1058 const struct devlink_trap *trap, void *trap_ctx); 1059 /** 1060 * @trap_fini: Trap de-initialization function. 1061 * 1062 * Should be used by device drivers to de-initialize the trap in the 1063 * underlying device. 1064 */ 1065 void (*trap_fini)(struct devlink *devlink, 1066 const struct devlink_trap *trap, void *trap_ctx); 1067 /** 1068 * @trap_action_set: Trap action set function. 1069 */ 1070 int (*trap_action_set)(struct devlink *devlink, 1071 const struct devlink_trap *trap, 1072 enum devlink_trap_action action); 1073 /** 1074 * @trap_group_init: Trap group initialization function. 1075 * 1076 * Should be used by device drivers to initialize the trap group in the 1077 * underlying device. 1078 */ 1079 int (*trap_group_init)(struct devlink *devlink, 1080 const struct devlink_trap_group *group); 1081 /** 1082 * @trap_group_set: Trap group parameters set function. 1083 * 1084 * Note: @policer can be NULL when a policer is being unbound from 1085 * @group. 1086 */ 1087 int (*trap_group_set)(struct devlink *devlink, 1088 const struct devlink_trap_group *group, 1089 const struct devlink_trap_policer *policer); 1090 /** 1091 * @trap_policer_init: Trap policer initialization function. 1092 * 1093 * Should be used by device drivers to initialize the trap policer in 1094 * the underlying device. 1095 */ 1096 int (*trap_policer_init)(struct devlink *devlink, 1097 const struct devlink_trap_policer *policer); 1098 /** 1099 * @trap_policer_fini: Trap policer de-initialization function. 1100 * 1101 * Should be used by device drivers to de-initialize the trap policer 1102 * in the underlying device. 1103 */ 1104 void (*trap_policer_fini)(struct devlink *devlink, 1105 const struct devlink_trap_policer *policer); 1106 /** 1107 * @trap_policer_set: Trap policer parameters set function. 1108 */ 1109 int (*trap_policer_set)(struct devlink *devlink, 1110 const struct devlink_trap_policer *policer, 1111 u64 rate, u64 burst, 1112 struct netlink_ext_ack *extack); 1113 /** 1114 * @trap_policer_counter_get: Trap policer counter get function. 1115 * 1116 * Should be used by device drivers to report number of packets dropped 1117 * by the policer. 1118 */ 1119 int (*trap_policer_counter_get)(struct devlink *devlink, 1120 const struct devlink_trap_policer *policer, 1121 u64 *p_drops); 1122 /** 1123 * @port_function_hw_addr_get: Port function's hardware address get function. 1124 * 1125 * Should be used by device drivers to report the hardware address of a function managed 1126 * by the devlink port. Driver should return -EOPNOTSUPP if it doesn't support port 1127 * function handling for a particular port. 1128 * 1129 * Note: @extack can be NULL when port notifier queries the port function. 1130 */ 1131 int (*port_function_hw_addr_get)(struct devlink *devlink, struct devlink_port *port, 1132 u8 *hw_addr, int *hw_addr_len, 1133 struct netlink_ext_ack *extack); 1134 /** 1135 * @port_function_hw_addr_set: Port function's hardware address set function. 1136 * 1137 * Should be used by device drivers to set the hardware address of a function managed 1138 * by the devlink port. Driver should return -EOPNOTSUPP if it doesn't support port 1139 * function handling for a particular port. 1140 */ 1141 int (*port_function_hw_addr_set)(struct devlink *devlink, struct devlink_port *port, 1142 const u8 *hw_addr, int hw_addr_len, 1143 struct netlink_ext_ack *extack); 1144 }; 1145 1146 static inline void *devlink_priv(struct devlink *devlink) 1147 { 1148 BUG_ON(!devlink); 1149 return &devlink->priv; 1150 } 1151 1152 static inline struct devlink *priv_to_devlink(void *priv) 1153 { 1154 BUG_ON(!priv); 1155 return container_of(priv, struct devlink, priv); 1156 } 1157 1158 static inline struct devlink_port * 1159 netdev_to_devlink_port(struct net_device *dev) 1160 { 1161 if (dev->netdev_ops->ndo_get_devlink_port) 1162 return dev->netdev_ops->ndo_get_devlink_port(dev); 1163 return NULL; 1164 } 1165 1166 static inline struct devlink *netdev_to_devlink(struct net_device *dev) 1167 { 1168 struct devlink_port *devlink_port = netdev_to_devlink_port(dev); 1169 1170 if (devlink_port) 1171 return devlink_port->devlink; 1172 return NULL; 1173 } 1174 1175 struct ib_device; 1176 1177 struct net *devlink_net(const struct devlink *devlink); 1178 void devlink_net_set(struct devlink *devlink, struct net *net); 1179 struct devlink *devlink_alloc(const struct devlink_ops *ops, size_t priv_size); 1180 int devlink_register(struct devlink *devlink, struct device *dev); 1181 void devlink_unregister(struct devlink *devlink); 1182 void devlink_reload_enable(struct devlink *devlink); 1183 void devlink_reload_disable(struct devlink *devlink); 1184 void devlink_free(struct devlink *devlink); 1185 int devlink_port_register(struct devlink *devlink, 1186 struct devlink_port *devlink_port, 1187 unsigned int port_index); 1188 void devlink_port_unregister(struct devlink_port *devlink_port); 1189 void devlink_port_type_eth_set(struct devlink_port *devlink_port, 1190 struct net_device *netdev); 1191 void devlink_port_type_ib_set(struct devlink_port *devlink_port, 1192 struct ib_device *ibdev); 1193 void devlink_port_type_clear(struct devlink_port *devlink_port); 1194 void devlink_port_attrs_set(struct devlink_port *devlink_port, 1195 struct devlink_port_attrs *devlink_port_attrs); 1196 void devlink_port_attrs_pci_pf_set(struct devlink_port *devlink_port, u16 pf); 1197 void devlink_port_attrs_pci_vf_set(struct devlink_port *devlink_port, 1198 u16 pf, u16 vf); 1199 int devlink_sb_register(struct devlink *devlink, unsigned int sb_index, 1200 u32 size, u16 ingress_pools_count, 1201 u16 egress_pools_count, u16 ingress_tc_count, 1202 u16 egress_tc_count); 1203 void devlink_sb_unregister(struct devlink *devlink, unsigned int sb_index); 1204 int devlink_dpipe_table_register(struct devlink *devlink, 1205 const char *table_name, 1206 struct devlink_dpipe_table_ops *table_ops, 1207 void *priv, bool counter_control_extern); 1208 void devlink_dpipe_table_unregister(struct devlink *devlink, 1209 const char *table_name); 1210 int devlink_dpipe_headers_register(struct devlink *devlink, 1211 struct devlink_dpipe_headers *dpipe_headers); 1212 void devlink_dpipe_headers_unregister(struct devlink *devlink); 1213 bool devlink_dpipe_table_counter_enabled(struct devlink *devlink, 1214 const char *table_name); 1215 int devlink_dpipe_entry_ctx_prepare(struct devlink_dpipe_dump_ctx *dump_ctx); 1216 int devlink_dpipe_entry_ctx_append(struct devlink_dpipe_dump_ctx *dump_ctx, 1217 struct devlink_dpipe_entry *entry); 1218 int devlink_dpipe_entry_ctx_close(struct devlink_dpipe_dump_ctx *dump_ctx); 1219 void devlink_dpipe_entry_clear(struct devlink_dpipe_entry *entry); 1220 int devlink_dpipe_action_put(struct sk_buff *skb, 1221 struct devlink_dpipe_action *action); 1222 int devlink_dpipe_match_put(struct sk_buff *skb, 1223 struct devlink_dpipe_match *match); 1224 extern struct devlink_dpipe_header devlink_dpipe_header_ethernet; 1225 extern struct devlink_dpipe_header devlink_dpipe_header_ipv4; 1226 extern struct devlink_dpipe_header devlink_dpipe_header_ipv6; 1227 1228 int devlink_resource_register(struct devlink *devlink, 1229 const char *resource_name, 1230 u64 resource_size, 1231 u64 resource_id, 1232 u64 parent_resource_id, 1233 const struct devlink_resource_size_params *size_params); 1234 void devlink_resources_unregister(struct devlink *devlink, 1235 struct devlink_resource *resource); 1236 int devlink_resource_size_get(struct devlink *devlink, 1237 u64 resource_id, 1238 u64 *p_resource_size); 1239 int devlink_dpipe_table_resource_set(struct devlink *devlink, 1240 const char *table_name, u64 resource_id, 1241 u64 resource_units); 1242 void devlink_resource_occ_get_register(struct devlink *devlink, 1243 u64 resource_id, 1244 devlink_resource_occ_get_t *occ_get, 1245 void *occ_get_priv); 1246 void devlink_resource_occ_get_unregister(struct devlink *devlink, 1247 u64 resource_id); 1248 int devlink_params_register(struct devlink *devlink, 1249 const struct devlink_param *params, 1250 size_t params_count); 1251 void devlink_params_unregister(struct devlink *devlink, 1252 const struct devlink_param *params, 1253 size_t params_count); 1254 void devlink_params_publish(struct devlink *devlink); 1255 void devlink_params_unpublish(struct devlink *devlink); 1256 int devlink_port_params_register(struct devlink_port *devlink_port, 1257 const struct devlink_param *params, 1258 size_t params_count); 1259 void devlink_port_params_unregister(struct devlink_port *devlink_port, 1260 const struct devlink_param *params, 1261 size_t params_count); 1262 int devlink_param_driverinit_value_get(struct devlink *devlink, u32 param_id, 1263 union devlink_param_value *init_val); 1264 int devlink_param_driverinit_value_set(struct devlink *devlink, u32 param_id, 1265 union devlink_param_value init_val); 1266 int 1267 devlink_port_param_driverinit_value_get(struct devlink_port *devlink_port, 1268 u32 param_id, 1269 union devlink_param_value *init_val); 1270 int devlink_port_param_driverinit_value_set(struct devlink_port *devlink_port, 1271 u32 param_id, 1272 union devlink_param_value init_val); 1273 void devlink_param_value_changed(struct devlink *devlink, u32 param_id); 1274 void devlink_port_param_value_changed(struct devlink_port *devlink_port, 1275 u32 param_id); 1276 void devlink_param_value_str_fill(union devlink_param_value *dst_val, 1277 const char *src); 1278 struct devlink_region * 1279 devlink_region_create(struct devlink *devlink, 1280 const struct devlink_region_ops *ops, 1281 u32 region_max_snapshots, u64 region_size); 1282 void devlink_region_destroy(struct devlink_region *region); 1283 int devlink_region_snapshot_id_get(struct devlink *devlink, u32 *id); 1284 void devlink_region_snapshot_id_put(struct devlink *devlink, u32 id); 1285 int devlink_region_snapshot_create(struct devlink_region *region, 1286 u8 *data, u32 snapshot_id); 1287 int devlink_info_serial_number_put(struct devlink_info_req *req, 1288 const char *sn); 1289 int devlink_info_driver_name_put(struct devlink_info_req *req, 1290 const char *name); 1291 int devlink_info_board_serial_number_put(struct devlink_info_req *req, 1292 const char *bsn); 1293 int devlink_info_version_fixed_put(struct devlink_info_req *req, 1294 const char *version_name, 1295 const char *version_value); 1296 int devlink_info_version_stored_put(struct devlink_info_req *req, 1297 const char *version_name, 1298 const char *version_value); 1299 int devlink_info_version_running_put(struct devlink_info_req *req, 1300 const char *version_name, 1301 const char *version_value); 1302 1303 int devlink_fmsg_obj_nest_start(struct devlink_fmsg *fmsg); 1304 int devlink_fmsg_obj_nest_end(struct devlink_fmsg *fmsg); 1305 1306 int devlink_fmsg_pair_nest_start(struct devlink_fmsg *fmsg, const char *name); 1307 int devlink_fmsg_pair_nest_end(struct devlink_fmsg *fmsg); 1308 1309 int devlink_fmsg_arr_pair_nest_start(struct devlink_fmsg *fmsg, 1310 const char *name); 1311 int devlink_fmsg_arr_pair_nest_end(struct devlink_fmsg *fmsg); 1312 int devlink_fmsg_binary_pair_nest_start(struct devlink_fmsg *fmsg, 1313 const char *name); 1314 int devlink_fmsg_binary_pair_nest_end(struct devlink_fmsg *fmsg); 1315 1316 int devlink_fmsg_bool_put(struct devlink_fmsg *fmsg, bool value); 1317 int devlink_fmsg_u8_put(struct devlink_fmsg *fmsg, u8 value); 1318 int devlink_fmsg_u32_put(struct devlink_fmsg *fmsg, u32 value); 1319 int devlink_fmsg_u64_put(struct devlink_fmsg *fmsg, u64 value); 1320 int devlink_fmsg_string_put(struct devlink_fmsg *fmsg, const char *value); 1321 int devlink_fmsg_binary_put(struct devlink_fmsg *fmsg, const void *value, 1322 u16 value_len); 1323 1324 int devlink_fmsg_bool_pair_put(struct devlink_fmsg *fmsg, const char *name, 1325 bool value); 1326 int devlink_fmsg_u8_pair_put(struct devlink_fmsg *fmsg, const char *name, 1327 u8 value); 1328 int devlink_fmsg_u32_pair_put(struct devlink_fmsg *fmsg, const char *name, 1329 u32 value); 1330 int devlink_fmsg_u64_pair_put(struct devlink_fmsg *fmsg, const char *name, 1331 u64 value); 1332 int devlink_fmsg_string_pair_put(struct devlink_fmsg *fmsg, const char *name, 1333 const char *value); 1334 int devlink_fmsg_binary_pair_put(struct devlink_fmsg *fmsg, const char *name, 1335 const void *value, u32 value_len); 1336 1337 struct devlink_health_reporter * 1338 devlink_health_reporter_create(struct devlink *devlink, 1339 const struct devlink_health_reporter_ops *ops, 1340 u64 graceful_period, void *priv); 1341 1342 struct devlink_health_reporter * 1343 devlink_port_health_reporter_create(struct devlink_port *port, 1344 const struct devlink_health_reporter_ops *ops, 1345 u64 graceful_period, void *priv); 1346 1347 void 1348 devlink_health_reporter_destroy(struct devlink_health_reporter *reporter); 1349 1350 void 1351 devlink_port_health_reporter_destroy(struct devlink_health_reporter *reporter); 1352 1353 void * 1354 devlink_health_reporter_priv(struct devlink_health_reporter *reporter); 1355 int devlink_health_report(struct devlink_health_reporter *reporter, 1356 const char *msg, void *priv_ctx); 1357 void 1358 devlink_health_reporter_state_update(struct devlink_health_reporter *reporter, 1359 enum devlink_health_reporter_state state); 1360 void 1361 devlink_health_reporter_recovery_done(struct devlink_health_reporter *reporter); 1362 1363 bool devlink_is_reload_failed(const struct devlink *devlink); 1364 1365 void devlink_flash_update_begin_notify(struct devlink *devlink); 1366 void devlink_flash_update_end_notify(struct devlink *devlink); 1367 void devlink_flash_update_status_notify(struct devlink *devlink, 1368 const char *status_msg, 1369 const char *component, 1370 unsigned long done, 1371 unsigned long total); 1372 1373 int devlink_traps_register(struct devlink *devlink, 1374 const struct devlink_trap *traps, 1375 size_t traps_count, void *priv); 1376 void devlink_traps_unregister(struct devlink *devlink, 1377 const struct devlink_trap *traps, 1378 size_t traps_count); 1379 void devlink_trap_report(struct devlink *devlink, struct sk_buff *skb, 1380 void *trap_ctx, struct devlink_port *in_devlink_port, 1381 const struct flow_action_cookie *fa_cookie); 1382 void *devlink_trap_ctx_priv(void *trap_ctx); 1383 int devlink_trap_groups_register(struct devlink *devlink, 1384 const struct devlink_trap_group *groups, 1385 size_t groups_count); 1386 void devlink_trap_groups_unregister(struct devlink *devlink, 1387 const struct devlink_trap_group *groups, 1388 size_t groups_count); 1389 int 1390 devlink_trap_policers_register(struct devlink *devlink, 1391 const struct devlink_trap_policer *policers, 1392 size_t policers_count); 1393 void 1394 devlink_trap_policers_unregister(struct devlink *devlink, 1395 const struct devlink_trap_policer *policers, 1396 size_t policers_count); 1397 1398 #if IS_ENABLED(CONFIG_NET_DEVLINK) 1399 1400 void devlink_compat_running_version(struct net_device *dev, 1401 char *buf, size_t len); 1402 int devlink_compat_flash_update(struct net_device *dev, const char *file_name); 1403 int devlink_compat_phys_port_name_get(struct net_device *dev, 1404 char *name, size_t len); 1405 int devlink_compat_switch_id_get(struct net_device *dev, 1406 struct netdev_phys_item_id *ppid); 1407 1408 #else 1409 1410 static inline void 1411 devlink_compat_running_version(struct net_device *dev, char *buf, size_t len) 1412 { 1413 } 1414 1415 static inline int 1416 devlink_compat_flash_update(struct net_device *dev, const char *file_name) 1417 { 1418 return -EOPNOTSUPP; 1419 } 1420 1421 static inline int 1422 devlink_compat_phys_port_name_get(struct net_device *dev, 1423 char *name, size_t len) 1424 { 1425 return -EOPNOTSUPP; 1426 } 1427 1428 static inline int 1429 devlink_compat_switch_id_get(struct net_device *dev, 1430 struct netdev_phys_item_id *ppid) 1431 { 1432 return -EOPNOTSUPP; 1433 } 1434 1435 #endif 1436 1437 #endif /* _NET_DEVLINK_H_ */ 1438