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; /* Serializes access to devlink instance specific objects such as 44 * port, sb, dpipe, resource, params, region, traps and more. 45 */ 46 u8 reload_failed:1, 47 reload_enabled:1, 48 registered:1; 49 char priv[0] __aligned(NETDEV_ALIGN); 50 }; 51 52 struct devlink_port_phys_attrs { 53 u32 port_number; /* Same value as "split group". 54 * A physical port which is visible to the user 55 * for a given port flavour. 56 */ 57 u32 split_subport_number; /* If the port is split, this is the number of subport. */ 58 }; 59 60 struct devlink_port_pci_pf_attrs { 61 u16 pf; /* Associated PCI PF for this port. */ 62 }; 63 64 struct devlink_port_pci_vf_attrs { 65 u16 pf; /* Associated PCI PF for this port. */ 66 u16 vf; /* Associated PCI VF for of the PCI PF for this port. */ 67 }; 68 69 /** 70 * struct devlink_port_attrs - devlink port object 71 * @flavour: flavour of the port 72 * @split: indicates if this is split port 73 * @splittable: indicates if the port can be split. 74 * @lanes: maximum number of lanes the port supports. 0 value is not passed to netlink. 75 * @switch_id: if the port is part of switch, this is buffer with ID, otherwise this is NULL 76 */ 77 struct devlink_port_attrs { 78 u8 split:1, 79 splittable:1; 80 u32 lanes; 81 enum devlink_port_flavour flavour; 82 struct netdev_phys_item_id switch_id; 83 union { 84 struct devlink_port_phys_attrs phys; 85 struct devlink_port_pci_pf_attrs pci_pf; 86 struct devlink_port_pci_vf_attrs pci_vf; 87 }; 88 }; 89 90 struct devlink_port { 91 struct list_head list; 92 struct list_head param_list; 93 struct devlink *devlink; 94 unsigned int index; 95 bool registered; 96 spinlock_t type_lock; /* Protects type and type_dev 97 * pointer consistency. 98 */ 99 enum devlink_port_type type; 100 enum devlink_port_type desired_type; 101 void *type_dev; 102 struct devlink_port_attrs attrs; 103 u8 attrs_set:1, 104 switch_port:1; 105 struct delayed_work type_warn_dw; 106 struct list_head reporter_list; 107 struct mutex reporters_lock; /* Protects reporter_list */ 108 }; 109 110 struct devlink_sb_pool_info { 111 enum devlink_sb_pool_type pool_type; 112 u32 size; 113 enum devlink_sb_threshold_type threshold_type; 114 u32 cell_size; 115 }; 116 117 /** 118 * struct devlink_dpipe_field - dpipe field object 119 * @name: field name 120 * @id: index inside the headers field array 121 * @bitwidth: bitwidth 122 * @mapping_type: mapping type 123 */ 124 struct devlink_dpipe_field { 125 const char *name; 126 unsigned int id; 127 unsigned int bitwidth; 128 enum devlink_dpipe_field_mapping_type mapping_type; 129 }; 130 131 /** 132 * struct devlink_dpipe_header - dpipe header object 133 * @name: header name 134 * @id: index, global/local detrmined by global bit 135 * @fields: fields 136 * @fields_count: number of fields 137 * @global: indicates if header is shared like most protocol header 138 * or driver specific 139 */ 140 struct devlink_dpipe_header { 141 const char *name; 142 unsigned int id; 143 struct devlink_dpipe_field *fields; 144 unsigned int fields_count; 145 bool global; 146 }; 147 148 /** 149 * struct devlink_dpipe_match - represents match operation 150 * @type: type of match 151 * @header_index: header index (packets can have several headers of same 152 * type like in case of tunnels) 153 * @header: header 154 * @fieled_id: field index 155 */ 156 struct devlink_dpipe_match { 157 enum devlink_dpipe_match_type type; 158 unsigned int header_index; 159 struct devlink_dpipe_header *header; 160 unsigned int field_id; 161 }; 162 163 /** 164 * struct devlink_dpipe_action - represents action operation 165 * @type: type of action 166 * @header_index: header index (packets can have several headers of same 167 * type like in case of tunnels) 168 * @header: header 169 * @fieled_id: field index 170 */ 171 struct devlink_dpipe_action { 172 enum devlink_dpipe_action_type type; 173 unsigned int header_index; 174 struct devlink_dpipe_header *header; 175 unsigned int field_id; 176 }; 177 178 /** 179 * struct devlink_dpipe_value - represents value of match/action 180 * @action: action 181 * @match: match 182 * @mapping_value: in case the field has some mapping this value 183 * specified the mapping value 184 * @mapping_valid: specify if mapping value is valid 185 * @value_size: value size 186 * @value: value 187 * @mask: bit mask 188 */ 189 struct devlink_dpipe_value { 190 union { 191 struct devlink_dpipe_action *action; 192 struct devlink_dpipe_match *match; 193 }; 194 unsigned int mapping_value; 195 bool mapping_valid; 196 unsigned int value_size; 197 void *value; 198 void *mask; 199 }; 200 201 /** 202 * struct devlink_dpipe_entry - table entry object 203 * @index: index of the entry in the table 204 * @match_values: match values 205 * @matche_values_count: count of matches tuples 206 * @action_values: actions values 207 * @action_values_count: count of actions values 208 * @counter: value of counter 209 * @counter_valid: Specify if value is valid from hardware 210 */ 211 struct devlink_dpipe_entry { 212 u64 index; 213 struct devlink_dpipe_value *match_values; 214 unsigned int match_values_count; 215 struct devlink_dpipe_value *action_values; 216 unsigned int action_values_count; 217 u64 counter; 218 bool counter_valid; 219 }; 220 221 /** 222 * struct devlink_dpipe_dump_ctx - context provided to driver in order 223 * to dump 224 * @info: info 225 * @cmd: devlink command 226 * @skb: skb 227 * @nest: top attribute 228 * @hdr: hdr 229 */ 230 struct devlink_dpipe_dump_ctx { 231 struct genl_info *info; 232 enum devlink_command cmd; 233 struct sk_buff *skb; 234 struct nlattr *nest; 235 void *hdr; 236 }; 237 238 struct devlink_dpipe_table_ops; 239 240 /** 241 * struct devlink_dpipe_table - table object 242 * @priv: private 243 * @name: table name 244 * @counters_enabled: indicates if counters are active 245 * @counter_control_extern: indicates if counter control is in dpipe or 246 * external tool 247 * @resource_valid: Indicate that the resource id is valid 248 * @resource_id: relative resource this table is related to 249 * @resource_units: number of resource's unit consumed per table's entry 250 * @table_ops: table operations 251 * @rcu: rcu 252 */ 253 struct devlink_dpipe_table { 254 void *priv; 255 struct list_head list; 256 const char *name; 257 bool counters_enabled; 258 bool counter_control_extern; 259 bool resource_valid; 260 u64 resource_id; 261 u64 resource_units; 262 struct devlink_dpipe_table_ops *table_ops; 263 struct rcu_head rcu; 264 }; 265 266 /** 267 * struct devlink_dpipe_table_ops - dpipe_table ops 268 * @actions_dump - dumps all tables actions 269 * @matches_dump - dumps all tables matches 270 * @entries_dump - dumps all active entries in the table 271 * @counters_set_update - when changing the counter status hardware sync 272 * maybe needed to allocate/free counter related 273 * resources 274 * @size_get - get size 275 */ 276 struct devlink_dpipe_table_ops { 277 int (*actions_dump)(void *priv, struct sk_buff *skb); 278 int (*matches_dump)(void *priv, struct sk_buff *skb); 279 int (*entries_dump)(void *priv, bool counters_enabled, 280 struct devlink_dpipe_dump_ctx *dump_ctx); 281 int (*counters_set_update)(void *priv, bool enable); 282 u64 (*size_get)(void *priv); 283 }; 284 285 /** 286 * struct devlink_dpipe_headers - dpipe headers 287 * @headers - header array can be shared (global bit) or driver specific 288 * @headers_count - count of headers 289 */ 290 struct devlink_dpipe_headers { 291 struct devlink_dpipe_header **headers; 292 unsigned int headers_count; 293 }; 294 295 /** 296 * struct devlink_resource_size_params - resource's size parameters 297 * @size_min: minimum size which can be set 298 * @size_max: maximum size which can be set 299 * @size_granularity: size granularity 300 * @size_unit: resource's basic unit 301 */ 302 struct devlink_resource_size_params { 303 u64 size_min; 304 u64 size_max; 305 u64 size_granularity; 306 enum devlink_resource_unit unit; 307 }; 308 309 static inline void 310 devlink_resource_size_params_init(struct devlink_resource_size_params *size_params, 311 u64 size_min, u64 size_max, 312 u64 size_granularity, 313 enum devlink_resource_unit unit) 314 { 315 size_params->size_min = size_min; 316 size_params->size_max = size_max; 317 size_params->size_granularity = size_granularity; 318 size_params->unit = unit; 319 } 320 321 typedef u64 devlink_resource_occ_get_t(void *priv); 322 323 /** 324 * struct devlink_resource - devlink resource 325 * @name: name of the resource 326 * @id: id, per devlink instance 327 * @size: size of the resource 328 * @size_new: updated size of the resource, reload is needed 329 * @size_valid: valid in case the total size of the resource is valid 330 * including its children 331 * @parent: parent resource 332 * @size_params: size parameters 333 * @list: parent list 334 * @resource_list: list of child resources 335 */ 336 struct devlink_resource { 337 const char *name; 338 u64 id; 339 u64 size; 340 u64 size_new; 341 bool size_valid; 342 struct devlink_resource *parent; 343 struct devlink_resource_size_params size_params; 344 struct list_head list; 345 struct list_head resource_list; 346 devlink_resource_occ_get_t *occ_get; 347 void *occ_get_priv; 348 }; 349 350 #define DEVLINK_RESOURCE_ID_PARENT_TOP 0 351 352 #define __DEVLINK_PARAM_MAX_STRING_VALUE 32 353 enum devlink_param_type { 354 DEVLINK_PARAM_TYPE_U8, 355 DEVLINK_PARAM_TYPE_U16, 356 DEVLINK_PARAM_TYPE_U32, 357 DEVLINK_PARAM_TYPE_STRING, 358 DEVLINK_PARAM_TYPE_BOOL, 359 }; 360 361 union devlink_param_value { 362 u8 vu8; 363 u16 vu16; 364 u32 vu32; 365 char vstr[__DEVLINK_PARAM_MAX_STRING_VALUE]; 366 bool vbool; 367 }; 368 369 struct devlink_param_gset_ctx { 370 union devlink_param_value val; 371 enum devlink_param_cmode cmode; 372 }; 373 374 /** 375 * struct devlink_param - devlink configuration parameter data 376 * @name: name of the parameter 377 * @generic: indicates if the parameter is generic or driver specific 378 * @type: parameter type 379 * @supported_cmodes: bitmap of supported configuration modes 380 * @get: get parameter value, used for runtime and permanent 381 * configuration modes 382 * @set: set parameter value, used for runtime and permanent 383 * configuration modes 384 * @validate: validate input value is applicable (within value range, etc.) 385 * 386 * This struct should be used by the driver to fill the data for 387 * a parameter it registers. 388 */ 389 struct devlink_param { 390 u32 id; 391 const char *name; 392 bool generic; 393 enum devlink_param_type type; 394 unsigned long supported_cmodes; 395 int (*get)(struct devlink *devlink, u32 id, 396 struct devlink_param_gset_ctx *ctx); 397 int (*set)(struct devlink *devlink, u32 id, 398 struct devlink_param_gset_ctx *ctx); 399 int (*validate)(struct devlink *devlink, u32 id, 400 union devlink_param_value val, 401 struct netlink_ext_ack *extack); 402 }; 403 404 struct devlink_param_item { 405 struct list_head list; 406 const struct devlink_param *param; 407 union devlink_param_value driverinit_value; 408 bool driverinit_value_valid; 409 bool published; 410 }; 411 412 enum devlink_param_generic_id { 413 DEVLINK_PARAM_GENERIC_ID_INT_ERR_RESET, 414 DEVLINK_PARAM_GENERIC_ID_MAX_MACS, 415 DEVLINK_PARAM_GENERIC_ID_ENABLE_SRIOV, 416 DEVLINK_PARAM_GENERIC_ID_REGION_SNAPSHOT, 417 DEVLINK_PARAM_GENERIC_ID_IGNORE_ARI, 418 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX, 419 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN, 420 DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY, 421 DEVLINK_PARAM_GENERIC_ID_RESET_DEV_ON_DRV_PROBE, 422 DEVLINK_PARAM_GENERIC_ID_ENABLE_ROCE, 423 424 /* add new param generic ids above here*/ 425 __DEVLINK_PARAM_GENERIC_ID_MAX, 426 DEVLINK_PARAM_GENERIC_ID_MAX = __DEVLINK_PARAM_GENERIC_ID_MAX - 1, 427 }; 428 429 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_NAME "internal_error_reset" 430 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL 431 432 #define DEVLINK_PARAM_GENERIC_MAX_MACS_NAME "max_macs" 433 #define DEVLINK_PARAM_GENERIC_MAX_MACS_TYPE DEVLINK_PARAM_TYPE_U32 434 435 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_NAME "enable_sriov" 436 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_TYPE DEVLINK_PARAM_TYPE_BOOL 437 438 #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_NAME "region_snapshot_enable" 439 #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_TYPE DEVLINK_PARAM_TYPE_BOOL 440 441 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_NAME "ignore_ari" 442 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_TYPE DEVLINK_PARAM_TYPE_BOOL 443 444 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_NAME "msix_vec_per_pf_max" 445 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_TYPE DEVLINK_PARAM_TYPE_U32 446 447 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_NAME "msix_vec_per_pf_min" 448 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_TYPE DEVLINK_PARAM_TYPE_U32 449 450 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_NAME "fw_load_policy" 451 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_TYPE DEVLINK_PARAM_TYPE_U8 452 453 #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_NAME \ 454 "reset_dev_on_drv_probe" 455 #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_TYPE DEVLINK_PARAM_TYPE_U8 456 457 #define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_NAME "enable_roce" 458 #define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_TYPE DEVLINK_PARAM_TYPE_BOOL 459 460 #define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate) \ 461 { \ 462 .id = DEVLINK_PARAM_GENERIC_ID_##_id, \ 463 .name = DEVLINK_PARAM_GENERIC_##_id##_NAME, \ 464 .type = DEVLINK_PARAM_GENERIC_##_id##_TYPE, \ 465 .generic = true, \ 466 .supported_cmodes = _cmodes, \ 467 .get = _get, \ 468 .set = _set, \ 469 .validate = _validate, \ 470 } 471 472 #define DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, _get, _set, _validate) \ 473 { \ 474 .id = _id, \ 475 .name = _name, \ 476 .type = _type, \ 477 .supported_cmodes = _cmodes, \ 478 .get = _get, \ 479 .set = _set, \ 480 .validate = _validate, \ 481 } 482 483 /* Part number, identifier of board design */ 484 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_ID "board.id" 485 /* Revision of board design */ 486 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_REV "board.rev" 487 /* Maker of the board */ 488 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_MANUFACTURE "board.manufacture" 489 490 /* Part number, identifier of asic design */ 491 #define DEVLINK_INFO_VERSION_GENERIC_ASIC_ID "asic.id" 492 /* Revision of asic design */ 493 #define DEVLINK_INFO_VERSION_GENERIC_ASIC_REV "asic.rev" 494 495 /* Overall FW version */ 496 #define DEVLINK_INFO_VERSION_GENERIC_FW "fw" 497 /* Control processor FW version */ 498 #define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT "fw.mgmt" 499 /* FW interface specification version */ 500 #define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT_API "fw.mgmt.api" 501 /* Data path microcode controlling high-speed packet processing */ 502 #define DEVLINK_INFO_VERSION_GENERIC_FW_APP "fw.app" 503 /* UNDI software version */ 504 #define DEVLINK_INFO_VERSION_GENERIC_FW_UNDI "fw.undi" 505 /* NCSI support/handler version */ 506 #define DEVLINK_INFO_VERSION_GENERIC_FW_NCSI "fw.ncsi" 507 /* FW parameter set id */ 508 #define DEVLINK_INFO_VERSION_GENERIC_FW_PSID "fw.psid" 509 /* RoCE FW version */ 510 #define DEVLINK_INFO_VERSION_GENERIC_FW_ROCE "fw.roce" 511 /* Firmware bundle identifier */ 512 #define DEVLINK_INFO_VERSION_GENERIC_FW_BUNDLE_ID "fw.bundle_id" 513 514 struct devlink_region; 515 struct devlink_info_req; 516 517 /** 518 * struct devlink_region_ops - Region operations 519 * @name: region name 520 * @destructor: callback used to free snapshot memory when deleting 521 * @snapshot: callback to request an immediate snapshot. On success, 522 * the data variable must be updated to point to the snapshot data. 523 * The function will be called while the devlink instance lock is 524 * held. 525 */ 526 struct devlink_region_ops { 527 const char *name; 528 void (*destructor)(const void *data); 529 int (*snapshot)(struct devlink *devlink, struct netlink_ext_ack *extack, 530 u8 **data); 531 }; 532 533 struct devlink_fmsg; 534 struct devlink_health_reporter; 535 536 enum devlink_health_reporter_state { 537 DEVLINK_HEALTH_REPORTER_STATE_HEALTHY, 538 DEVLINK_HEALTH_REPORTER_STATE_ERROR, 539 }; 540 541 /** 542 * struct devlink_health_reporter_ops - Reporter operations 543 * @name: reporter name 544 * @recover: callback to recover from reported error 545 * if priv_ctx is NULL, run a full recover 546 * @dump: callback to dump an object 547 * if priv_ctx is NULL, run a full dump 548 * @diagnose: callback to diagnose the current status 549 */ 550 551 struct devlink_health_reporter_ops { 552 char *name; 553 int (*recover)(struct devlink_health_reporter *reporter, 554 void *priv_ctx, struct netlink_ext_ack *extack); 555 int (*dump)(struct devlink_health_reporter *reporter, 556 struct devlink_fmsg *fmsg, void *priv_ctx, 557 struct netlink_ext_ack *extack); 558 int (*diagnose)(struct devlink_health_reporter *reporter, 559 struct devlink_fmsg *fmsg, 560 struct netlink_ext_ack *extack); 561 }; 562 563 /** 564 * struct devlink_trap_policer - Immutable packet trap policer attributes. 565 * @id: Policer identifier. 566 * @init_rate: Initial rate in packets / sec. 567 * @init_burst: Initial burst size in packets. 568 * @max_rate: Maximum rate. 569 * @min_rate: Minimum rate. 570 * @max_burst: Maximum burst size. 571 * @min_burst: Minimum burst size. 572 * 573 * Describes immutable attributes of packet trap policers that drivers register 574 * with devlink. 575 */ 576 struct devlink_trap_policer { 577 u32 id; 578 u64 init_rate; 579 u64 init_burst; 580 u64 max_rate; 581 u64 min_rate; 582 u64 max_burst; 583 u64 min_burst; 584 }; 585 586 /** 587 * struct devlink_trap_group - Immutable packet trap group attributes. 588 * @name: Trap group name. 589 * @id: Trap group identifier. 590 * @generic: Whether the trap group is generic or not. 591 * @init_policer_id: Initial policer identifier. 592 * 593 * Describes immutable attributes of packet trap groups that drivers register 594 * with devlink. 595 */ 596 struct devlink_trap_group { 597 const char *name; 598 u16 id; 599 bool generic; 600 u32 init_policer_id; 601 }; 602 603 #define DEVLINK_TRAP_METADATA_TYPE_F_IN_PORT BIT(0) 604 #define DEVLINK_TRAP_METADATA_TYPE_F_FA_COOKIE BIT(1) 605 606 /** 607 * struct devlink_trap - Immutable packet trap attributes. 608 * @type: Trap type. 609 * @init_action: Initial trap action. 610 * @generic: Whether the trap is generic or not. 611 * @id: Trap identifier. 612 * @name: Trap name. 613 * @init_group_id: Initial group identifier. 614 * @metadata_cap: Metadata types that can be provided by the trap. 615 * 616 * Describes immutable attributes of packet traps that drivers register with 617 * devlink. 618 */ 619 struct devlink_trap { 620 enum devlink_trap_type type; 621 enum devlink_trap_action init_action; 622 bool generic; 623 u16 id; 624 const char *name; 625 u16 init_group_id; 626 u32 metadata_cap; 627 }; 628 629 /* All traps must be documented in 630 * Documentation/networking/devlink/devlink-trap.rst 631 */ 632 enum devlink_trap_generic_id { 633 DEVLINK_TRAP_GENERIC_ID_SMAC_MC, 634 DEVLINK_TRAP_GENERIC_ID_VLAN_TAG_MISMATCH, 635 DEVLINK_TRAP_GENERIC_ID_INGRESS_VLAN_FILTER, 636 DEVLINK_TRAP_GENERIC_ID_INGRESS_STP_FILTER, 637 DEVLINK_TRAP_GENERIC_ID_EMPTY_TX_LIST, 638 DEVLINK_TRAP_GENERIC_ID_PORT_LOOPBACK_FILTER, 639 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_ROUTE, 640 DEVLINK_TRAP_GENERIC_ID_TTL_ERROR, 641 DEVLINK_TRAP_GENERIC_ID_TAIL_DROP, 642 DEVLINK_TRAP_GENERIC_ID_NON_IP_PACKET, 643 DEVLINK_TRAP_GENERIC_ID_UC_DIP_MC_DMAC, 644 DEVLINK_TRAP_GENERIC_ID_DIP_LB, 645 DEVLINK_TRAP_GENERIC_ID_SIP_MC, 646 DEVLINK_TRAP_GENERIC_ID_SIP_LB, 647 DEVLINK_TRAP_GENERIC_ID_CORRUPTED_IP_HDR, 648 DEVLINK_TRAP_GENERIC_ID_IPV4_SIP_BC, 649 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_RESERVED_SCOPE, 650 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE, 651 DEVLINK_TRAP_GENERIC_ID_MTU_ERROR, 652 DEVLINK_TRAP_GENERIC_ID_UNRESOLVED_NEIGH, 653 DEVLINK_TRAP_GENERIC_ID_RPF, 654 DEVLINK_TRAP_GENERIC_ID_REJECT_ROUTE, 655 DEVLINK_TRAP_GENERIC_ID_IPV4_LPM_UNICAST_MISS, 656 DEVLINK_TRAP_GENERIC_ID_IPV6_LPM_UNICAST_MISS, 657 DEVLINK_TRAP_GENERIC_ID_NON_ROUTABLE, 658 DEVLINK_TRAP_GENERIC_ID_DECAP_ERROR, 659 DEVLINK_TRAP_GENERIC_ID_OVERLAY_SMAC_MC, 660 DEVLINK_TRAP_GENERIC_ID_INGRESS_FLOW_ACTION_DROP, 661 DEVLINK_TRAP_GENERIC_ID_EGRESS_FLOW_ACTION_DROP, 662 DEVLINK_TRAP_GENERIC_ID_STP, 663 DEVLINK_TRAP_GENERIC_ID_LACP, 664 DEVLINK_TRAP_GENERIC_ID_LLDP, 665 DEVLINK_TRAP_GENERIC_ID_IGMP_QUERY, 666 DEVLINK_TRAP_GENERIC_ID_IGMP_V1_REPORT, 667 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_REPORT, 668 DEVLINK_TRAP_GENERIC_ID_IGMP_V3_REPORT, 669 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_LEAVE, 670 DEVLINK_TRAP_GENERIC_ID_MLD_QUERY, 671 DEVLINK_TRAP_GENERIC_ID_MLD_V1_REPORT, 672 DEVLINK_TRAP_GENERIC_ID_MLD_V2_REPORT, 673 DEVLINK_TRAP_GENERIC_ID_MLD_V1_DONE, 674 DEVLINK_TRAP_GENERIC_ID_IPV4_DHCP, 675 DEVLINK_TRAP_GENERIC_ID_IPV6_DHCP, 676 DEVLINK_TRAP_GENERIC_ID_ARP_REQUEST, 677 DEVLINK_TRAP_GENERIC_ID_ARP_RESPONSE, 678 DEVLINK_TRAP_GENERIC_ID_ARP_OVERLAY, 679 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_SOLICIT, 680 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_ADVERT, 681 DEVLINK_TRAP_GENERIC_ID_IPV4_BFD, 682 DEVLINK_TRAP_GENERIC_ID_IPV6_BFD, 683 DEVLINK_TRAP_GENERIC_ID_IPV4_OSPF, 684 DEVLINK_TRAP_GENERIC_ID_IPV6_OSPF, 685 DEVLINK_TRAP_GENERIC_ID_IPV4_BGP, 686 DEVLINK_TRAP_GENERIC_ID_IPV6_BGP, 687 DEVLINK_TRAP_GENERIC_ID_IPV4_VRRP, 688 DEVLINK_TRAP_GENERIC_ID_IPV6_VRRP, 689 DEVLINK_TRAP_GENERIC_ID_IPV4_PIM, 690 DEVLINK_TRAP_GENERIC_ID_IPV6_PIM, 691 DEVLINK_TRAP_GENERIC_ID_UC_LB, 692 DEVLINK_TRAP_GENERIC_ID_LOCAL_ROUTE, 693 DEVLINK_TRAP_GENERIC_ID_EXTERNAL_ROUTE, 694 DEVLINK_TRAP_GENERIC_ID_IPV6_UC_DIP_LINK_LOCAL_SCOPE, 695 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_NODES, 696 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_ROUTERS, 697 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_SOLICIT, 698 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ADVERT, 699 DEVLINK_TRAP_GENERIC_ID_IPV6_REDIRECT, 700 DEVLINK_TRAP_GENERIC_ID_IPV4_ROUTER_ALERT, 701 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ALERT, 702 DEVLINK_TRAP_GENERIC_ID_PTP_EVENT, 703 DEVLINK_TRAP_GENERIC_ID_PTP_GENERAL, 704 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_SAMPLE, 705 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_TRAP, 706 707 /* Add new generic trap IDs above */ 708 __DEVLINK_TRAP_GENERIC_ID_MAX, 709 DEVLINK_TRAP_GENERIC_ID_MAX = __DEVLINK_TRAP_GENERIC_ID_MAX - 1, 710 }; 711 712 /* All trap groups must be documented in 713 * Documentation/networking/devlink/devlink-trap.rst 714 */ 715 enum devlink_trap_group_generic_id { 716 DEVLINK_TRAP_GROUP_GENERIC_ID_L2_DROPS, 717 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_DROPS, 718 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_EXCEPTIONS, 719 DEVLINK_TRAP_GROUP_GENERIC_ID_BUFFER_DROPS, 720 DEVLINK_TRAP_GROUP_GENERIC_ID_TUNNEL_DROPS, 721 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_DROPS, 722 DEVLINK_TRAP_GROUP_GENERIC_ID_STP, 723 DEVLINK_TRAP_GROUP_GENERIC_ID_LACP, 724 DEVLINK_TRAP_GROUP_GENERIC_ID_LLDP, 725 DEVLINK_TRAP_GROUP_GENERIC_ID_MC_SNOOPING, 726 DEVLINK_TRAP_GROUP_GENERIC_ID_DHCP, 727 DEVLINK_TRAP_GROUP_GENERIC_ID_NEIGH_DISCOVERY, 728 DEVLINK_TRAP_GROUP_GENERIC_ID_BFD, 729 DEVLINK_TRAP_GROUP_GENERIC_ID_OSPF, 730 DEVLINK_TRAP_GROUP_GENERIC_ID_BGP, 731 DEVLINK_TRAP_GROUP_GENERIC_ID_VRRP, 732 DEVLINK_TRAP_GROUP_GENERIC_ID_PIM, 733 DEVLINK_TRAP_GROUP_GENERIC_ID_UC_LB, 734 DEVLINK_TRAP_GROUP_GENERIC_ID_LOCAL_DELIVERY, 735 DEVLINK_TRAP_GROUP_GENERIC_ID_IPV6, 736 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_EVENT, 737 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_GENERAL, 738 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_SAMPLE, 739 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_TRAP, 740 741 /* Add new generic trap group IDs above */ 742 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX, 743 DEVLINK_TRAP_GROUP_GENERIC_ID_MAX = 744 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX - 1, 745 }; 746 747 #define DEVLINK_TRAP_GENERIC_NAME_SMAC_MC \ 748 "source_mac_is_multicast" 749 #define DEVLINK_TRAP_GENERIC_NAME_VLAN_TAG_MISMATCH \ 750 "vlan_tag_mismatch" 751 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_VLAN_FILTER \ 752 "ingress_vlan_filter" 753 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_STP_FILTER \ 754 "ingress_spanning_tree_filter" 755 #define DEVLINK_TRAP_GENERIC_NAME_EMPTY_TX_LIST \ 756 "port_list_is_empty" 757 #define DEVLINK_TRAP_GENERIC_NAME_PORT_LOOPBACK_FILTER \ 758 "port_loopback_filter" 759 #define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_ROUTE \ 760 "blackhole_route" 761 #define DEVLINK_TRAP_GENERIC_NAME_TTL_ERROR \ 762 "ttl_value_is_too_small" 763 #define DEVLINK_TRAP_GENERIC_NAME_TAIL_DROP \ 764 "tail_drop" 765 #define DEVLINK_TRAP_GENERIC_NAME_NON_IP_PACKET \ 766 "non_ip" 767 #define DEVLINK_TRAP_GENERIC_NAME_UC_DIP_MC_DMAC \ 768 "uc_dip_over_mc_dmac" 769 #define DEVLINK_TRAP_GENERIC_NAME_DIP_LB \ 770 "dip_is_loopback_address" 771 #define DEVLINK_TRAP_GENERIC_NAME_SIP_MC \ 772 "sip_is_mc" 773 #define DEVLINK_TRAP_GENERIC_NAME_SIP_LB \ 774 "sip_is_loopback_address" 775 #define DEVLINK_TRAP_GENERIC_NAME_CORRUPTED_IP_HDR \ 776 "ip_header_corrupted" 777 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_SIP_BC \ 778 "ipv4_sip_is_limited_bc" 779 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_RESERVED_SCOPE \ 780 "ipv6_mc_dip_reserved_scope" 781 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE \ 782 "ipv6_mc_dip_interface_local_scope" 783 #define DEVLINK_TRAP_GENERIC_NAME_MTU_ERROR \ 784 "mtu_value_is_too_small" 785 #define DEVLINK_TRAP_GENERIC_NAME_UNRESOLVED_NEIGH \ 786 "unresolved_neigh" 787 #define DEVLINK_TRAP_GENERIC_NAME_RPF \ 788 "mc_reverse_path_forwarding" 789 #define DEVLINK_TRAP_GENERIC_NAME_REJECT_ROUTE \ 790 "reject_route" 791 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_LPM_UNICAST_MISS \ 792 "ipv4_lpm_miss" 793 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_LPM_UNICAST_MISS \ 794 "ipv6_lpm_miss" 795 #define DEVLINK_TRAP_GENERIC_NAME_NON_ROUTABLE \ 796 "non_routable_packet" 797 #define DEVLINK_TRAP_GENERIC_NAME_DECAP_ERROR \ 798 "decap_error" 799 #define DEVLINK_TRAP_GENERIC_NAME_OVERLAY_SMAC_MC \ 800 "overlay_smac_is_mc" 801 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_FLOW_ACTION_DROP \ 802 "ingress_flow_action_drop" 803 #define DEVLINK_TRAP_GENERIC_NAME_EGRESS_FLOW_ACTION_DROP \ 804 "egress_flow_action_drop" 805 #define DEVLINK_TRAP_GENERIC_NAME_STP \ 806 "stp" 807 #define DEVLINK_TRAP_GENERIC_NAME_LACP \ 808 "lacp" 809 #define DEVLINK_TRAP_GENERIC_NAME_LLDP \ 810 "lldp" 811 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_QUERY \ 812 "igmp_query" 813 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V1_REPORT \ 814 "igmp_v1_report" 815 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_REPORT \ 816 "igmp_v2_report" 817 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V3_REPORT \ 818 "igmp_v3_report" 819 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_LEAVE \ 820 "igmp_v2_leave" 821 #define DEVLINK_TRAP_GENERIC_NAME_MLD_QUERY \ 822 "mld_query" 823 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_REPORT \ 824 "mld_v1_report" 825 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V2_REPORT \ 826 "mld_v2_report" 827 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_DONE \ 828 "mld_v1_done" 829 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_DHCP \ 830 "ipv4_dhcp" 831 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DHCP \ 832 "ipv6_dhcp" 833 #define DEVLINK_TRAP_GENERIC_NAME_ARP_REQUEST \ 834 "arp_request" 835 #define DEVLINK_TRAP_GENERIC_NAME_ARP_RESPONSE \ 836 "arp_response" 837 #define DEVLINK_TRAP_GENERIC_NAME_ARP_OVERLAY \ 838 "arp_overlay" 839 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_SOLICIT \ 840 "ipv6_neigh_solicit" 841 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_ADVERT \ 842 "ipv6_neigh_advert" 843 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_BFD \ 844 "ipv4_bfd" 845 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_BFD \ 846 "ipv6_bfd" 847 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_OSPF \ 848 "ipv4_ospf" 849 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_OSPF \ 850 "ipv6_ospf" 851 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_BGP \ 852 "ipv4_bgp" 853 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_BGP \ 854 "ipv6_bgp" 855 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_VRRP \ 856 "ipv4_vrrp" 857 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_VRRP \ 858 "ipv6_vrrp" 859 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_PIM \ 860 "ipv4_pim" 861 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_PIM \ 862 "ipv6_pim" 863 #define DEVLINK_TRAP_GENERIC_NAME_UC_LB \ 864 "uc_loopback" 865 #define DEVLINK_TRAP_GENERIC_NAME_LOCAL_ROUTE \ 866 "local_route" 867 #define DEVLINK_TRAP_GENERIC_NAME_EXTERNAL_ROUTE \ 868 "external_route" 869 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_UC_DIP_LINK_LOCAL_SCOPE \ 870 "ipv6_uc_dip_link_local_scope" 871 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_NODES \ 872 "ipv6_dip_all_nodes" 873 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_ROUTERS \ 874 "ipv6_dip_all_routers" 875 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_SOLICIT \ 876 "ipv6_router_solicit" 877 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ADVERT \ 878 "ipv6_router_advert" 879 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_REDIRECT \ 880 "ipv6_redirect" 881 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_ROUTER_ALERT \ 882 "ipv4_router_alert" 883 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ALERT \ 884 "ipv6_router_alert" 885 #define DEVLINK_TRAP_GENERIC_NAME_PTP_EVENT \ 886 "ptp_event" 887 #define DEVLINK_TRAP_GENERIC_NAME_PTP_GENERAL \ 888 "ptp_general" 889 #define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_SAMPLE \ 890 "flow_action_sample" 891 #define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_TRAP \ 892 "flow_action_trap" 893 894 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L2_DROPS \ 895 "l2_drops" 896 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_DROPS \ 897 "l3_drops" 898 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_EXCEPTIONS \ 899 "l3_exceptions" 900 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BUFFER_DROPS \ 901 "buffer_drops" 902 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_TUNNEL_DROPS \ 903 "tunnel_drops" 904 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_DROPS \ 905 "acl_drops" 906 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_STP \ 907 "stp" 908 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LACP \ 909 "lacp" 910 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LLDP \ 911 "lldp" 912 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_MC_SNOOPING \ 913 "mc_snooping" 914 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_DHCP \ 915 "dhcp" 916 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_NEIGH_DISCOVERY \ 917 "neigh_discovery" 918 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BFD \ 919 "bfd" 920 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_OSPF \ 921 "ospf" 922 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BGP \ 923 "bgp" 924 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_VRRP \ 925 "vrrp" 926 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PIM \ 927 "pim" 928 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_UC_LB \ 929 "uc_loopback" 930 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LOCAL_DELIVERY \ 931 "local_delivery" 932 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_IPV6 \ 933 "ipv6" 934 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_EVENT \ 935 "ptp_event" 936 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_GENERAL \ 937 "ptp_general" 938 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_SAMPLE \ 939 "acl_sample" 940 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_TRAP \ 941 "acl_trap" 942 943 #define DEVLINK_TRAP_GENERIC(_type, _init_action, _id, _group_id, \ 944 _metadata_cap) \ 945 { \ 946 .type = DEVLINK_TRAP_TYPE_##_type, \ 947 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \ 948 .generic = true, \ 949 .id = DEVLINK_TRAP_GENERIC_ID_##_id, \ 950 .name = DEVLINK_TRAP_GENERIC_NAME_##_id, \ 951 .init_group_id = _group_id, \ 952 .metadata_cap = _metadata_cap, \ 953 } 954 955 #define DEVLINK_TRAP_DRIVER(_type, _init_action, _id, _name, _group_id, \ 956 _metadata_cap) \ 957 { \ 958 .type = DEVLINK_TRAP_TYPE_##_type, \ 959 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \ 960 .generic = false, \ 961 .id = _id, \ 962 .name = _name, \ 963 .init_group_id = _group_id, \ 964 .metadata_cap = _metadata_cap, \ 965 } 966 967 #define DEVLINK_TRAP_GROUP_GENERIC(_id, _policer_id) \ 968 { \ 969 .name = DEVLINK_TRAP_GROUP_GENERIC_NAME_##_id, \ 970 .id = DEVLINK_TRAP_GROUP_GENERIC_ID_##_id, \ 971 .generic = true, \ 972 .init_policer_id = _policer_id, \ 973 } 974 975 #define DEVLINK_TRAP_POLICER(_id, _rate, _burst, _max_rate, _min_rate, \ 976 _max_burst, _min_burst) \ 977 { \ 978 .id = _id, \ 979 .init_rate = _rate, \ 980 .init_burst = _burst, \ 981 .max_rate = _max_rate, \ 982 .min_rate = _min_rate, \ 983 .max_burst = _max_burst, \ 984 .min_burst = _min_burst, \ 985 } 986 987 struct devlink_ops { 988 int (*reload_down)(struct devlink *devlink, bool netns_change, 989 struct netlink_ext_ack *extack); 990 int (*reload_up)(struct devlink *devlink, 991 struct netlink_ext_ack *extack); 992 int (*port_type_set)(struct devlink_port *devlink_port, 993 enum devlink_port_type port_type); 994 int (*port_split)(struct devlink *devlink, unsigned int port_index, 995 unsigned int count, struct netlink_ext_ack *extack); 996 int (*port_unsplit)(struct devlink *devlink, unsigned int port_index, 997 struct netlink_ext_ack *extack); 998 int (*sb_pool_get)(struct devlink *devlink, unsigned int sb_index, 999 u16 pool_index, 1000 struct devlink_sb_pool_info *pool_info); 1001 int (*sb_pool_set)(struct devlink *devlink, unsigned int sb_index, 1002 u16 pool_index, u32 size, 1003 enum devlink_sb_threshold_type threshold_type, 1004 struct netlink_ext_ack *extack); 1005 int (*sb_port_pool_get)(struct devlink_port *devlink_port, 1006 unsigned int sb_index, u16 pool_index, 1007 u32 *p_threshold); 1008 int (*sb_port_pool_set)(struct devlink_port *devlink_port, 1009 unsigned int sb_index, u16 pool_index, 1010 u32 threshold, struct netlink_ext_ack *extack); 1011 int (*sb_tc_pool_bind_get)(struct devlink_port *devlink_port, 1012 unsigned int sb_index, 1013 u16 tc_index, 1014 enum devlink_sb_pool_type pool_type, 1015 u16 *p_pool_index, u32 *p_threshold); 1016 int (*sb_tc_pool_bind_set)(struct devlink_port *devlink_port, 1017 unsigned int sb_index, 1018 u16 tc_index, 1019 enum devlink_sb_pool_type pool_type, 1020 u16 pool_index, u32 threshold, 1021 struct netlink_ext_ack *extack); 1022 int (*sb_occ_snapshot)(struct devlink *devlink, 1023 unsigned int sb_index); 1024 int (*sb_occ_max_clear)(struct devlink *devlink, 1025 unsigned int sb_index); 1026 int (*sb_occ_port_pool_get)(struct devlink_port *devlink_port, 1027 unsigned int sb_index, u16 pool_index, 1028 u32 *p_cur, u32 *p_max); 1029 int (*sb_occ_tc_port_bind_get)(struct devlink_port *devlink_port, 1030 unsigned int sb_index, 1031 u16 tc_index, 1032 enum devlink_sb_pool_type pool_type, 1033 u32 *p_cur, u32 *p_max); 1034 1035 int (*eswitch_mode_get)(struct devlink *devlink, u16 *p_mode); 1036 int (*eswitch_mode_set)(struct devlink *devlink, u16 mode, 1037 struct netlink_ext_ack *extack); 1038 int (*eswitch_inline_mode_get)(struct devlink *devlink, u8 *p_inline_mode); 1039 int (*eswitch_inline_mode_set)(struct devlink *devlink, u8 inline_mode, 1040 struct netlink_ext_ack *extack); 1041 int (*eswitch_encap_mode_get)(struct devlink *devlink, 1042 enum devlink_eswitch_encap_mode *p_encap_mode); 1043 int (*eswitch_encap_mode_set)(struct devlink *devlink, 1044 enum devlink_eswitch_encap_mode encap_mode, 1045 struct netlink_ext_ack *extack); 1046 int (*info_get)(struct devlink *devlink, struct devlink_info_req *req, 1047 struct netlink_ext_ack *extack); 1048 int (*flash_update)(struct devlink *devlink, const char *file_name, 1049 const char *component, 1050 struct netlink_ext_ack *extack); 1051 /** 1052 * @trap_init: Trap initialization function. 1053 * 1054 * Should be used by device drivers to initialize the trap in the 1055 * underlying device. Drivers should also store the provided trap 1056 * context, so that they could efficiently pass it to 1057 * devlink_trap_report() when the trap is triggered. 1058 */ 1059 int (*trap_init)(struct devlink *devlink, 1060 const struct devlink_trap *trap, void *trap_ctx); 1061 /** 1062 * @trap_fini: Trap de-initialization function. 1063 * 1064 * Should be used by device drivers to de-initialize the trap in the 1065 * underlying device. 1066 */ 1067 void (*trap_fini)(struct devlink *devlink, 1068 const struct devlink_trap *trap, void *trap_ctx); 1069 /** 1070 * @trap_action_set: Trap action set function. 1071 */ 1072 int (*trap_action_set)(struct devlink *devlink, 1073 const struct devlink_trap *trap, 1074 enum devlink_trap_action action); 1075 /** 1076 * @trap_group_init: Trap group initialization function. 1077 * 1078 * Should be used by device drivers to initialize the trap group in the 1079 * underlying device. 1080 */ 1081 int (*trap_group_init)(struct devlink *devlink, 1082 const struct devlink_trap_group *group); 1083 /** 1084 * @trap_group_set: Trap group parameters set function. 1085 * 1086 * Note: @policer can be NULL when a policer is being unbound from 1087 * @group. 1088 */ 1089 int (*trap_group_set)(struct devlink *devlink, 1090 const struct devlink_trap_group *group, 1091 const struct devlink_trap_policer *policer); 1092 /** 1093 * @trap_policer_init: Trap policer initialization function. 1094 * 1095 * Should be used by device drivers to initialize the trap policer in 1096 * the underlying device. 1097 */ 1098 int (*trap_policer_init)(struct devlink *devlink, 1099 const struct devlink_trap_policer *policer); 1100 /** 1101 * @trap_policer_fini: Trap policer de-initialization function. 1102 * 1103 * Should be used by device drivers to de-initialize the trap policer 1104 * in the underlying device. 1105 */ 1106 void (*trap_policer_fini)(struct devlink *devlink, 1107 const struct devlink_trap_policer *policer); 1108 /** 1109 * @trap_policer_set: Trap policer parameters set function. 1110 */ 1111 int (*trap_policer_set)(struct devlink *devlink, 1112 const struct devlink_trap_policer *policer, 1113 u64 rate, u64 burst, 1114 struct netlink_ext_ack *extack); 1115 /** 1116 * @trap_policer_counter_get: Trap policer counter get function. 1117 * 1118 * Should be used by device drivers to report number of packets dropped 1119 * by the policer. 1120 */ 1121 int (*trap_policer_counter_get)(struct devlink *devlink, 1122 const struct devlink_trap_policer *policer, 1123 u64 *p_drops); 1124 /** 1125 * @port_function_hw_addr_get: Port function's hardware address get function. 1126 * 1127 * Should be used by device drivers to report the hardware address of a function managed 1128 * by the devlink port. Driver should return -EOPNOTSUPP if it doesn't support port 1129 * function handling for a particular port. 1130 * 1131 * Note: @extack can be NULL when port notifier queries the port function. 1132 */ 1133 int (*port_function_hw_addr_get)(struct devlink *devlink, struct devlink_port *port, 1134 u8 *hw_addr, int *hw_addr_len, 1135 struct netlink_ext_ack *extack); 1136 /** 1137 * @port_function_hw_addr_set: Port function's hardware address set function. 1138 * 1139 * Should be used by device drivers to set the hardware address of a function managed 1140 * by the devlink port. Driver should return -EOPNOTSUPP if it doesn't support port 1141 * function handling for a particular port. 1142 */ 1143 int (*port_function_hw_addr_set)(struct devlink *devlink, struct devlink_port *port, 1144 const u8 *hw_addr, int hw_addr_len, 1145 struct netlink_ext_ack *extack); 1146 }; 1147 1148 static inline void *devlink_priv(struct devlink *devlink) 1149 { 1150 BUG_ON(!devlink); 1151 return &devlink->priv; 1152 } 1153 1154 static inline struct devlink *priv_to_devlink(void *priv) 1155 { 1156 BUG_ON(!priv); 1157 return container_of(priv, struct devlink, priv); 1158 } 1159 1160 static inline struct devlink_port * 1161 netdev_to_devlink_port(struct net_device *dev) 1162 { 1163 if (dev->netdev_ops->ndo_get_devlink_port) 1164 return dev->netdev_ops->ndo_get_devlink_port(dev); 1165 return NULL; 1166 } 1167 1168 static inline struct devlink *netdev_to_devlink(struct net_device *dev) 1169 { 1170 struct devlink_port *devlink_port = netdev_to_devlink_port(dev); 1171 1172 if (devlink_port) 1173 return devlink_port->devlink; 1174 return NULL; 1175 } 1176 1177 struct ib_device; 1178 1179 struct net *devlink_net(const struct devlink *devlink); 1180 void devlink_net_set(struct devlink *devlink, struct net *net); 1181 struct devlink *devlink_alloc(const struct devlink_ops *ops, size_t priv_size); 1182 int devlink_register(struct devlink *devlink, struct device *dev); 1183 void devlink_unregister(struct devlink *devlink); 1184 void devlink_reload_enable(struct devlink *devlink); 1185 void devlink_reload_disable(struct devlink *devlink); 1186 void devlink_free(struct devlink *devlink); 1187 int devlink_port_register(struct devlink *devlink, 1188 struct devlink_port *devlink_port, 1189 unsigned int port_index); 1190 void devlink_port_unregister(struct devlink_port *devlink_port); 1191 void devlink_port_type_eth_set(struct devlink_port *devlink_port, 1192 struct net_device *netdev); 1193 void devlink_port_type_ib_set(struct devlink_port *devlink_port, 1194 struct ib_device *ibdev); 1195 void devlink_port_type_clear(struct devlink_port *devlink_port); 1196 void devlink_port_attrs_set(struct devlink_port *devlink_port, 1197 struct devlink_port_attrs *devlink_port_attrs); 1198 void devlink_port_attrs_pci_pf_set(struct devlink_port *devlink_port, u16 pf); 1199 void devlink_port_attrs_pci_vf_set(struct devlink_port *devlink_port, 1200 u16 pf, u16 vf); 1201 int devlink_sb_register(struct devlink *devlink, unsigned int sb_index, 1202 u32 size, u16 ingress_pools_count, 1203 u16 egress_pools_count, u16 ingress_tc_count, 1204 u16 egress_tc_count); 1205 void devlink_sb_unregister(struct devlink *devlink, unsigned int sb_index); 1206 int devlink_dpipe_table_register(struct devlink *devlink, 1207 const char *table_name, 1208 struct devlink_dpipe_table_ops *table_ops, 1209 void *priv, bool counter_control_extern); 1210 void devlink_dpipe_table_unregister(struct devlink *devlink, 1211 const char *table_name); 1212 int devlink_dpipe_headers_register(struct devlink *devlink, 1213 struct devlink_dpipe_headers *dpipe_headers); 1214 void devlink_dpipe_headers_unregister(struct devlink *devlink); 1215 bool devlink_dpipe_table_counter_enabled(struct devlink *devlink, 1216 const char *table_name); 1217 int devlink_dpipe_entry_ctx_prepare(struct devlink_dpipe_dump_ctx *dump_ctx); 1218 int devlink_dpipe_entry_ctx_append(struct devlink_dpipe_dump_ctx *dump_ctx, 1219 struct devlink_dpipe_entry *entry); 1220 int devlink_dpipe_entry_ctx_close(struct devlink_dpipe_dump_ctx *dump_ctx); 1221 void devlink_dpipe_entry_clear(struct devlink_dpipe_entry *entry); 1222 int devlink_dpipe_action_put(struct sk_buff *skb, 1223 struct devlink_dpipe_action *action); 1224 int devlink_dpipe_match_put(struct sk_buff *skb, 1225 struct devlink_dpipe_match *match); 1226 extern struct devlink_dpipe_header devlink_dpipe_header_ethernet; 1227 extern struct devlink_dpipe_header devlink_dpipe_header_ipv4; 1228 extern struct devlink_dpipe_header devlink_dpipe_header_ipv6; 1229 1230 int devlink_resource_register(struct devlink *devlink, 1231 const char *resource_name, 1232 u64 resource_size, 1233 u64 resource_id, 1234 u64 parent_resource_id, 1235 const struct devlink_resource_size_params *size_params); 1236 void devlink_resources_unregister(struct devlink *devlink, 1237 struct devlink_resource *resource); 1238 int devlink_resource_size_get(struct devlink *devlink, 1239 u64 resource_id, 1240 u64 *p_resource_size); 1241 int devlink_dpipe_table_resource_set(struct devlink *devlink, 1242 const char *table_name, u64 resource_id, 1243 u64 resource_units); 1244 void devlink_resource_occ_get_register(struct devlink *devlink, 1245 u64 resource_id, 1246 devlink_resource_occ_get_t *occ_get, 1247 void *occ_get_priv); 1248 void devlink_resource_occ_get_unregister(struct devlink *devlink, 1249 u64 resource_id); 1250 int devlink_params_register(struct devlink *devlink, 1251 const struct devlink_param *params, 1252 size_t params_count); 1253 void devlink_params_unregister(struct devlink *devlink, 1254 const struct devlink_param *params, 1255 size_t params_count); 1256 void devlink_params_publish(struct devlink *devlink); 1257 void devlink_params_unpublish(struct devlink *devlink); 1258 int devlink_port_params_register(struct devlink_port *devlink_port, 1259 const struct devlink_param *params, 1260 size_t params_count); 1261 void devlink_port_params_unregister(struct devlink_port *devlink_port, 1262 const struct devlink_param *params, 1263 size_t params_count); 1264 int devlink_param_driverinit_value_get(struct devlink *devlink, u32 param_id, 1265 union devlink_param_value *init_val); 1266 int devlink_param_driverinit_value_set(struct devlink *devlink, u32 param_id, 1267 union devlink_param_value init_val); 1268 int 1269 devlink_port_param_driverinit_value_get(struct devlink_port *devlink_port, 1270 u32 param_id, 1271 union devlink_param_value *init_val); 1272 int devlink_port_param_driverinit_value_set(struct devlink_port *devlink_port, 1273 u32 param_id, 1274 union devlink_param_value init_val); 1275 void devlink_param_value_changed(struct devlink *devlink, u32 param_id); 1276 void devlink_port_param_value_changed(struct devlink_port *devlink_port, 1277 u32 param_id); 1278 void devlink_param_value_str_fill(union devlink_param_value *dst_val, 1279 const char *src); 1280 struct devlink_region * 1281 devlink_region_create(struct devlink *devlink, 1282 const struct devlink_region_ops *ops, 1283 u32 region_max_snapshots, u64 region_size); 1284 void devlink_region_destroy(struct devlink_region *region); 1285 int devlink_region_snapshot_id_get(struct devlink *devlink, u32 *id); 1286 void devlink_region_snapshot_id_put(struct devlink *devlink, u32 id); 1287 int devlink_region_snapshot_create(struct devlink_region *region, 1288 u8 *data, u32 snapshot_id); 1289 int devlink_info_serial_number_put(struct devlink_info_req *req, 1290 const char *sn); 1291 int devlink_info_driver_name_put(struct devlink_info_req *req, 1292 const char *name); 1293 int devlink_info_board_serial_number_put(struct devlink_info_req *req, 1294 const char *bsn); 1295 int devlink_info_version_fixed_put(struct devlink_info_req *req, 1296 const char *version_name, 1297 const char *version_value); 1298 int devlink_info_version_stored_put(struct devlink_info_req *req, 1299 const char *version_name, 1300 const char *version_value); 1301 int devlink_info_version_running_put(struct devlink_info_req *req, 1302 const char *version_name, 1303 const char *version_value); 1304 1305 int devlink_fmsg_obj_nest_start(struct devlink_fmsg *fmsg); 1306 int devlink_fmsg_obj_nest_end(struct devlink_fmsg *fmsg); 1307 1308 int devlink_fmsg_pair_nest_start(struct devlink_fmsg *fmsg, const char *name); 1309 int devlink_fmsg_pair_nest_end(struct devlink_fmsg *fmsg); 1310 1311 int devlink_fmsg_arr_pair_nest_start(struct devlink_fmsg *fmsg, 1312 const char *name); 1313 int devlink_fmsg_arr_pair_nest_end(struct devlink_fmsg *fmsg); 1314 int devlink_fmsg_binary_pair_nest_start(struct devlink_fmsg *fmsg, 1315 const char *name); 1316 int devlink_fmsg_binary_pair_nest_end(struct devlink_fmsg *fmsg); 1317 1318 int devlink_fmsg_bool_put(struct devlink_fmsg *fmsg, bool value); 1319 int devlink_fmsg_u8_put(struct devlink_fmsg *fmsg, u8 value); 1320 int devlink_fmsg_u32_put(struct devlink_fmsg *fmsg, u32 value); 1321 int devlink_fmsg_u64_put(struct devlink_fmsg *fmsg, u64 value); 1322 int devlink_fmsg_string_put(struct devlink_fmsg *fmsg, const char *value); 1323 int devlink_fmsg_binary_put(struct devlink_fmsg *fmsg, const void *value, 1324 u16 value_len); 1325 1326 int devlink_fmsg_bool_pair_put(struct devlink_fmsg *fmsg, const char *name, 1327 bool value); 1328 int devlink_fmsg_u8_pair_put(struct devlink_fmsg *fmsg, const char *name, 1329 u8 value); 1330 int devlink_fmsg_u32_pair_put(struct devlink_fmsg *fmsg, const char *name, 1331 u32 value); 1332 int devlink_fmsg_u64_pair_put(struct devlink_fmsg *fmsg, const char *name, 1333 u64 value); 1334 int devlink_fmsg_string_pair_put(struct devlink_fmsg *fmsg, const char *name, 1335 const char *value); 1336 int devlink_fmsg_binary_pair_put(struct devlink_fmsg *fmsg, const char *name, 1337 const void *value, u32 value_len); 1338 1339 struct devlink_health_reporter * 1340 devlink_health_reporter_create(struct devlink *devlink, 1341 const struct devlink_health_reporter_ops *ops, 1342 u64 graceful_period, void *priv); 1343 1344 struct devlink_health_reporter * 1345 devlink_port_health_reporter_create(struct devlink_port *port, 1346 const struct devlink_health_reporter_ops *ops, 1347 u64 graceful_period, void *priv); 1348 1349 void 1350 devlink_health_reporter_destroy(struct devlink_health_reporter *reporter); 1351 1352 void 1353 devlink_port_health_reporter_destroy(struct devlink_health_reporter *reporter); 1354 1355 void * 1356 devlink_health_reporter_priv(struct devlink_health_reporter *reporter); 1357 int devlink_health_report(struct devlink_health_reporter *reporter, 1358 const char *msg, void *priv_ctx); 1359 void 1360 devlink_health_reporter_state_update(struct devlink_health_reporter *reporter, 1361 enum devlink_health_reporter_state state); 1362 void 1363 devlink_health_reporter_recovery_done(struct devlink_health_reporter *reporter); 1364 1365 bool devlink_is_reload_failed(const struct devlink *devlink); 1366 1367 void devlink_flash_update_begin_notify(struct devlink *devlink); 1368 void devlink_flash_update_end_notify(struct devlink *devlink); 1369 void devlink_flash_update_status_notify(struct devlink *devlink, 1370 const char *status_msg, 1371 const char *component, 1372 unsigned long done, 1373 unsigned long total); 1374 1375 int devlink_traps_register(struct devlink *devlink, 1376 const struct devlink_trap *traps, 1377 size_t traps_count, void *priv); 1378 void devlink_traps_unregister(struct devlink *devlink, 1379 const struct devlink_trap *traps, 1380 size_t traps_count); 1381 void devlink_trap_report(struct devlink *devlink, struct sk_buff *skb, 1382 void *trap_ctx, struct devlink_port *in_devlink_port, 1383 const struct flow_action_cookie *fa_cookie); 1384 void *devlink_trap_ctx_priv(void *trap_ctx); 1385 int devlink_trap_groups_register(struct devlink *devlink, 1386 const struct devlink_trap_group *groups, 1387 size_t groups_count); 1388 void devlink_trap_groups_unregister(struct devlink *devlink, 1389 const struct devlink_trap_group *groups, 1390 size_t groups_count); 1391 int 1392 devlink_trap_policers_register(struct devlink *devlink, 1393 const struct devlink_trap_policer *policers, 1394 size_t policers_count); 1395 void 1396 devlink_trap_policers_unregister(struct devlink *devlink, 1397 const struct devlink_trap_policer *policers, 1398 size_t policers_count); 1399 1400 #if IS_ENABLED(CONFIG_NET_DEVLINK) 1401 1402 void devlink_compat_running_version(struct net_device *dev, 1403 char *buf, size_t len); 1404 int devlink_compat_flash_update(struct net_device *dev, const char *file_name); 1405 int devlink_compat_phys_port_name_get(struct net_device *dev, 1406 char *name, size_t len); 1407 int devlink_compat_switch_id_get(struct net_device *dev, 1408 struct netdev_phys_item_id *ppid); 1409 1410 #else 1411 1412 static inline void 1413 devlink_compat_running_version(struct net_device *dev, char *buf, size_t len) 1414 { 1415 } 1416 1417 static inline int 1418 devlink_compat_flash_update(struct net_device *dev, const char *file_name) 1419 { 1420 return -EOPNOTSUPP; 1421 } 1422 1423 static inline int 1424 devlink_compat_phys_port_name_get(struct net_device *dev, 1425 char *name, size_t len) 1426 { 1427 return -EOPNOTSUPP; 1428 } 1429 1430 static inline int 1431 devlink_compat_switch_id_get(struct net_device *dev, 1432 struct netdev_phys_item_id *ppid) 1433 { 1434 return -EOPNOTSUPP; 1435 } 1436 1437 #endif 1438 1439 #endif /* _NET_DEVLINK_H_ */ 1440