1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * include/net/devlink.h - Network physical device Netlink interface 4 * Copyright (c) 2016 Mellanox Technologies. All rights reserved. 5 * Copyright (c) 2016 Jiri Pirko <jiri@mellanox.com> 6 */ 7 #ifndef _NET_DEVLINK_H_ 8 #define _NET_DEVLINK_H_ 9 10 #include <linux/device.h> 11 #include <linux/slab.h> 12 #include <linux/gfp.h> 13 #include <linux/list.h> 14 #include <linux/netdevice.h> 15 #include <linux/spinlock.h> 16 #include <linux/workqueue.h> 17 #include <linux/refcount.h> 18 #include <net/net_namespace.h> 19 #include <net/flow_offload.h> 20 #include <uapi/linux/devlink.h> 21 #include <linux/xarray.h> 22 #include <linux/firmware.h> 23 24 struct devlink; 25 struct devlink_linecard; 26 27 struct devlink_port_phys_attrs { 28 u32 port_number; /* Same value as "split group". 29 * A physical port which is visible to the user 30 * for a given port flavour. 31 */ 32 u32 split_subport_number; /* If the port is split, this is the number of subport. */ 33 }; 34 35 /** 36 * struct devlink_port_pci_pf_attrs - devlink port's PCI PF attributes 37 * @controller: Associated controller number 38 * @pf: Associated PCI PF number for this port. 39 * @external: when set, indicates if a port is for an external controller 40 */ 41 struct devlink_port_pci_pf_attrs { 42 u32 controller; 43 u16 pf; 44 u8 external:1; 45 }; 46 47 /** 48 * struct devlink_port_pci_vf_attrs - devlink port's PCI VF attributes 49 * @controller: Associated controller number 50 * @pf: Associated PCI PF number for this port. 51 * @vf: Associated PCI VF for of the PCI PF for this port. 52 * @external: when set, indicates if a port is for an external controller 53 */ 54 struct devlink_port_pci_vf_attrs { 55 u32 controller; 56 u16 pf; 57 u16 vf; 58 u8 external:1; 59 }; 60 61 /** 62 * struct devlink_port_pci_sf_attrs - devlink port's PCI SF attributes 63 * @controller: Associated controller number 64 * @sf: Associated PCI SF for of the PCI PF for this port. 65 * @pf: Associated PCI PF number for this port. 66 * @external: when set, indicates if a port is for an external controller 67 */ 68 struct devlink_port_pci_sf_attrs { 69 u32 controller; 70 u32 sf; 71 u16 pf; 72 u8 external:1; 73 }; 74 75 /** 76 * struct devlink_port_attrs - devlink port object 77 * @flavour: flavour of the port 78 * @split: indicates if this is split port 79 * @splittable: indicates if the port can be split. 80 * @lanes: maximum number of lanes the port supports. 0 value is not passed to netlink. 81 * @switch_id: if the port is part of switch, this is buffer with ID, otherwise this is NULL 82 * @phys: physical port attributes 83 * @pci_pf: PCI PF port attributes 84 * @pci_vf: PCI VF port attributes 85 * @pci_sf: PCI SF port attributes 86 */ 87 struct devlink_port_attrs { 88 u8 split:1, 89 splittable:1; 90 u32 lanes; 91 enum devlink_port_flavour flavour; 92 struct netdev_phys_item_id switch_id; 93 union { 94 struct devlink_port_phys_attrs phys; 95 struct devlink_port_pci_pf_attrs pci_pf; 96 struct devlink_port_pci_vf_attrs pci_vf; 97 struct devlink_port_pci_sf_attrs pci_sf; 98 }; 99 }; 100 101 struct devlink_rate { 102 struct list_head list; 103 enum devlink_rate_type type; 104 struct devlink *devlink; 105 void *priv; 106 u64 tx_share; 107 u64 tx_max; 108 109 struct devlink_rate *parent; 110 union { 111 struct devlink_port *devlink_port; 112 struct { 113 char *name; 114 refcount_t refcnt; 115 }; 116 }; 117 118 u32 tx_priority; 119 u32 tx_weight; 120 }; 121 122 struct devlink_port { 123 struct list_head list; 124 struct list_head region_list; 125 struct devlink *devlink; 126 const struct devlink_port_ops *ops; 127 unsigned int index; 128 spinlock_t type_lock; /* Protects type and type_eth/ib 129 * structures consistency. 130 */ 131 enum devlink_port_type type; 132 enum devlink_port_type desired_type; 133 union { 134 struct { 135 struct net_device *netdev; 136 int ifindex; 137 char ifname[IFNAMSIZ]; 138 } type_eth; 139 struct { 140 struct ib_device *ibdev; 141 } type_ib; 142 }; 143 struct devlink_port_attrs attrs; 144 u8 attrs_set:1, 145 switch_port:1, 146 registered:1, 147 initialized:1; 148 struct delayed_work type_warn_dw; 149 struct list_head reporter_list; 150 151 struct devlink_rate *devlink_rate; 152 struct devlink_linecard *linecard; 153 u32 rel_index; 154 }; 155 156 struct devlink_port_new_attrs { 157 enum devlink_port_flavour flavour; 158 unsigned int port_index; 159 u32 controller; 160 u32 sfnum; 161 u16 pfnum; 162 u8 port_index_valid:1, 163 controller_valid:1, 164 sfnum_valid:1; 165 }; 166 167 /** 168 * struct devlink_linecard_ops - Linecard operations 169 * @provision: callback to provision the linecard slot with certain 170 * type of linecard. As a result of this operation, 171 * driver is expected to eventually (could be after 172 * the function call returns) call one of: 173 * devlink_linecard_provision_set() 174 * devlink_linecard_provision_fail() 175 * @unprovision: callback to unprovision the linecard slot. As a result 176 * of this operation, driver is expected to eventually 177 * (could be after the function call returns) call 178 * devlink_linecard_provision_clear() 179 * devlink_linecard_provision_fail() 180 * @same_provision: callback to ask the driver if linecard is already 181 * provisioned in the same way user asks this linecard to be 182 * provisioned. 183 * @types_count: callback to get number of supported types 184 * @types_get: callback to get next type in list 185 */ 186 struct devlink_linecard_ops { 187 int (*provision)(struct devlink_linecard *linecard, void *priv, 188 const char *type, const void *type_priv, 189 struct netlink_ext_ack *extack); 190 int (*unprovision)(struct devlink_linecard *linecard, void *priv, 191 struct netlink_ext_ack *extack); 192 bool (*same_provision)(struct devlink_linecard *linecard, void *priv, 193 const char *type, const void *type_priv); 194 unsigned int (*types_count)(struct devlink_linecard *linecard, 195 void *priv); 196 void (*types_get)(struct devlink_linecard *linecard, 197 void *priv, unsigned int index, const char **type, 198 const void **type_priv); 199 }; 200 201 struct devlink_sb_pool_info { 202 enum devlink_sb_pool_type pool_type; 203 u32 size; 204 enum devlink_sb_threshold_type threshold_type; 205 u32 cell_size; 206 }; 207 208 /** 209 * struct devlink_dpipe_field - dpipe field object 210 * @name: field name 211 * @id: index inside the headers field array 212 * @bitwidth: bitwidth 213 * @mapping_type: mapping type 214 */ 215 struct devlink_dpipe_field { 216 const char *name; 217 unsigned int id; 218 unsigned int bitwidth; 219 enum devlink_dpipe_field_mapping_type mapping_type; 220 }; 221 222 /** 223 * struct devlink_dpipe_header - dpipe header object 224 * @name: header name 225 * @id: index, global/local determined by global bit 226 * @fields: fields 227 * @fields_count: number of fields 228 * @global: indicates if header is shared like most protocol header 229 * or driver specific 230 */ 231 struct devlink_dpipe_header { 232 const char *name; 233 unsigned int id; 234 struct devlink_dpipe_field *fields; 235 unsigned int fields_count; 236 bool global; 237 }; 238 239 /** 240 * struct devlink_dpipe_match - represents match operation 241 * @type: type of match 242 * @header_index: header index (packets can have several headers of same 243 * type like in case of tunnels) 244 * @header: header 245 * @field_id: field index 246 */ 247 struct devlink_dpipe_match { 248 enum devlink_dpipe_match_type type; 249 unsigned int header_index; 250 struct devlink_dpipe_header *header; 251 unsigned int field_id; 252 }; 253 254 /** 255 * struct devlink_dpipe_action - represents action operation 256 * @type: type of action 257 * @header_index: header index (packets can have several headers of same 258 * type like in case of tunnels) 259 * @header: header 260 * @field_id: field index 261 */ 262 struct devlink_dpipe_action { 263 enum devlink_dpipe_action_type type; 264 unsigned int header_index; 265 struct devlink_dpipe_header *header; 266 unsigned int field_id; 267 }; 268 269 /** 270 * struct devlink_dpipe_value - represents value of match/action 271 * @action: action 272 * @match: match 273 * @mapping_value: in case the field has some mapping this value 274 * specified the mapping value 275 * @mapping_valid: specify if mapping value is valid 276 * @value_size: value size 277 * @value: value 278 * @mask: bit mask 279 */ 280 struct devlink_dpipe_value { 281 union { 282 struct devlink_dpipe_action *action; 283 struct devlink_dpipe_match *match; 284 }; 285 unsigned int mapping_value; 286 bool mapping_valid; 287 unsigned int value_size; 288 void *value; 289 void *mask; 290 }; 291 292 /** 293 * struct devlink_dpipe_entry - table entry object 294 * @index: index of the entry in the table 295 * @match_values: match values 296 * @match_values_count: count of matches tuples 297 * @action_values: actions values 298 * @action_values_count: count of actions values 299 * @counter: value of counter 300 * @counter_valid: Specify if value is valid from hardware 301 */ 302 struct devlink_dpipe_entry { 303 u64 index; 304 struct devlink_dpipe_value *match_values; 305 unsigned int match_values_count; 306 struct devlink_dpipe_value *action_values; 307 unsigned int action_values_count; 308 u64 counter; 309 bool counter_valid; 310 }; 311 312 /** 313 * struct devlink_dpipe_dump_ctx - context provided to driver in order 314 * to dump 315 * @info: info 316 * @cmd: devlink command 317 * @skb: skb 318 * @nest: top attribute 319 * @hdr: hdr 320 */ 321 struct devlink_dpipe_dump_ctx { 322 struct genl_info *info; 323 enum devlink_command cmd; 324 struct sk_buff *skb; 325 struct nlattr *nest; 326 void *hdr; 327 }; 328 329 struct devlink_dpipe_table_ops; 330 331 /** 332 * struct devlink_dpipe_table - table object 333 * @priv: private 334 * @name: table name 335 * @counters_enabled: indicates if counters are active 336 * @counter_control_extern: indicates if counter control is in dpipe or 337 * external tool 338 * @resource_valid: Indicate that the resource id is valid 339 * @resource_id: relative resource this table is related to 340 * @resource_units: number of resource's unit consumed per table's entry 341 * @table_ops: table operations 342 * @rcu: rcu 343 */ 344 struct devlink_dpipe_table { 345 void *priv; 346 /* private: */ 347 struct list_head list; 348 /* public: */ 349 const char *name; 350 bool counters_enabled; 351 bool counter_control_extern; 352 bool resource_valid; 353 u64 resource_id; 354 u64 resource_units; 355 struct devlink_dpipe_table_ops *table_ops; 356 struct rcu_head rcu; 357 }; 358 359 /** 360 * struct devlink_dpipe_table_ops - dpipe_table ops 361 * @actions_dump: dumps all tables actions 362 * @matches_dump: dumps all tables matches 363 * @entries_dump: dumps all active entries in the table 364 * @counters_set_update: when changing the counter status hardware sync 365 * maybe needed to allocate/free counter related 366 * resources 367 * @size_get: get size 368 */ 369 struct devlink_dpipe_table_ops { 370 int (*actions_dump)(void *priv, struct sk_buff *skb); 371 int (*matches_dump)(void *priv, struct sk_buff *skb); 372 int (*entries_dump)(void *priv, bool counters_enabled, 373 struct devlink_dpipe_dump_ctx *dump_ctx); 374 int (*counters_set_update)(void *priv, bool enable); 375 u64 (*size_get)(void *priv); 376 }; 377 378 /** 379 * struct devlink_dpipe_headers - dpipe headers 380 * @headers: header array can be shared (global bit) or driver specific 381 * @headers_count: count of headers 382 */ 383 struct devlink_dpipe_headers { 384 struct devlink_dpipe_header **headers; 385 unsigned int headers_count; 386 }; 387 388 /** 389 * struct devlink_resource_size_params - resource's size parameters 390 * @size_min: minimum size which can be set 391 * @size_max: maximum size which can be set 392 * @size_granularity: size granularity 393 * @unit: resource's basic unit 394 */ 395 struct devlink_resource_size_params { 396 u64 size_min; 397 u64 size_max; 398 u64 size_granularity; 399 enum devlink_resource_unit unit; 400 }; 401 402 static inline void 403 devlink_resource_size_params_init(struct devlink_resource_size_params *size_params, 404 u64 size_min, u64 size_max, 405 u64 size_granularity, 406 enum devlink_resource_unit unit) 407 { 408 size_params->size_min = size_min; 409 size_params->size_max = size_max; 410 size_params->size_granularity = size_granularity; 411 size_params->unit = unit; 412 } 413 414 typedef u64 devlink_resource_occ_get_t(void *priv); 415 416 #define DEVLINK_RESOURCE_ID_PARENT_TOP 0 417 418 #define DEVLINK_RESOURCE_GENERIC_NAME_PORTS "physical_ports" 419 420 #define __DEVLINK_PARAM_MAX_STRING_VALUE 32 421 enum devlink_param_type { 422 DEVLINK_PARAM_TYPE_U8, 423 DEVLINK_PARAM_TYPE_U16, 424 DEVLINK_PARAM_TYPE_U32, 425 DEVLINK_PARAM_TYPE_STRING, 426 DEVLINK_PARAM_TYPE_BOOL, 427 }; 428 429 union devlink_param_value { 430 u8 vu8; 431 u16 vu16; 432 u32 vu32; 433 char vstr[__DEVLINK_PARAM_MAX_STRING_VALUE]; 434 bool vbool; 435 }; 436 437 struct devlink_param_gset_ctx { 438 union devlink_param_value val; 439 enum devlink_param_cmode cmode; 440 }; 441 442 /** 443 * struct devlink_flash_notify - devlink dev flash notify data 444 * @status_msg: current status string 445 * @component: firmware component being updated 446 * @done: amount of work completed of total amount 447 * @total: amount of work expected to be done 448 * @timeout: expected max timeout in seconds 449 * 450 * These are values to be given to userland to be displayed in order 451 * to show current activity in a firmware update process. 452 */ 453 struct devlink_flash_notify { 454 const char *status_msg; 455 const char *component; 456 unsigned long done; 457 unsigned long total; 458 unsigned long timeout; 459 }; 460 461 /** 462 * struct devlink_param - devlink configuration parameter data 463 * @id: devlink parameter id number 464 * @name: name of the parameter 465 * @generic: indicates if the parameter is generic or driver specific 466 * @type: parameter type 467 * @supported_cmodes: bitmap of supported configuration modes 468 * @get: get parameter value, used for runtime and permanent 469 * configuration modes 470 * @set: set parameter value, used for runtime and permanent 471 * configuration modes 472 * @validate: validate input value is applicable (within value range, etc.) 473 * 474 * This struct should be used by the driver to fill the data for 475 * a parameter it registers. 476 */ 477 struct devlink_param { 478 u32 id; 479 const char *name; 480 bool generic; 481 enum devlink_param_type type; 482 unsigned long supported_cmodes; 483 int (*get)(struct devlink *devlink, u32 id, 484 struct devlink_param_gset_ctx *ctx); 485 int (*set)(struct devlink *devlink, u32 id, 486 struct devlink_param_gset_ctx *ctx); 487 int (*validate)(struct devlink *devlink, u32 id, 488 union devlink_param_value val, 489 struct netlink_ext_ack *extack); 490 }; 491 492 struct devlink_param_item { 493 struct list_head list; 494 const struct devlink_param *param; 495 union devlink_param_value driverinit_value; 496 bool driverinit_value_valid; 497 union devlink_param_value driverinit_value_new; /* Not reachable 498 * until reload. 499 */ 500 bool driverinit_value_new_valid; 501 }; 502 503 enum devlink_param_generic_id { 504 DEVLINK_PARAM_GENERIC_ID_INT_ERR_RESET, 505 DEVLINK_PARAM_GENERIC_ID_MAX_MACS, 506 DEVLINK_PARAM_GENERIC_ID_ENABLE_SRIOV, 507 DEVLINK_PARAM_GENERIC_ID_REGION_SNAPSHOT, 508 DEVLINK_PARAM_GENERIC_ID_IGNORE_ARI, 509 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX, 510 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN, 511 DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY, 512 DEVLINK_PARAM_GENERIC_ID_RESET_DEV_ON_DRV_PROBE, 513 DEVLINK_PARAM_GENERIC_ID_ENABLE_ROCE, 514 DEVLINK_PARAM_GENERIC_ID_ENABLE_REMOTE_DEV_RESET, 515 DEVLINK_PARAM_GENERIC_ID_ENABLE_ETH, 516 DEVLINK_PARAM_GENERIC_ID_ENABLE_RDMA, 517 DEVLINK_PARAM_GENERIC_ID_ENABLE_VNET, 518 DEVLINK_PARAM_GENERIC_ID_ENABLE_IWARP, 519 DEVLINK_PARAM_GENERIC_ID_IO_EQ_SIZE, 520 DEVLINK_PARAM_GENERIC_ID_EVENT_EQ_SIZE, 521 522 /* add new param generic ids above here*/ 523 __DEVLINK_PARAM_GENERIC_ID_MAX, 524 DEVLINK_PARAM_GENERIC_ID_MAX = __DEVLINK_PARAM_GENERIC_ID_MAX - 1, 525 }; 526 527 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_NAME "internal_error_reset" 528 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL 529 530 #define DEVLINK_PARAM_GENERIC_MAX_MACS_NAME "max_macs" 531 #define DEVLINK_PARAM_GENERIC_MAX_MACS_TYPE DEVLINK_PARAM_TYPE_U32 532 533 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_NAME "enable_sriov" 534 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_TYPE DEVLINK_PARAM_TYPE_BOOL 535 536 #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_NAME "region_snapshot_enable" 537 #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_TYPE DEVLINK_PARAM_TYPE_BOOL 538 539 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_NAME "ignore_ari" 540 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_TYPE DEVLINK_PARAM_TYPE_BOOL 541 542 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_NAME "msix_vec_per_pf_max" 543 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_TYPE DEVLINK_PARAM_TYPE_U32 544 545 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_NAME "msix_vec_per_pf_min" 546 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_TYPE DEVLINK_PARAM_TYPE_U32 547 548 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_NAME "fw_load_policy" 549 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_TYPE DEVLINK_PARAM_TYPE_U8 550 551 #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_NAME \ 552 "reset_dev_on_drv_probe" 553 #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_TYPE DEVLINK_PARAM_TYPE_U8 554 555 #define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_NAME "enable_roce" 556 #define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_TYPE DEVLINK_PARAM_TYPE_BOOL 557 558 #define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_NAME "enable_remote_dev_reset" 559 #define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL 560 561 #define DEVLINK_PARAM_GENERIC_ENABLE_ETH_NAME "enable_eth" 562 #define DEVLINK_PARAM_GENERIC_ENABLE_ETH_TYPE DEVLINK_PARAM_TYPE_BOOL 563 564 #define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_NAME "enable_rdma" 565 #define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_TYPE DEVLINK_PARAM_TYPE_BOOL 566 567 #define DEVLINK_PARAM_GENERIC_ENABLE_VNET_NAME "enable_vnet" 568 #define DEVLINK_PARAM_GENERIC_ENABLE_VNET_TYPE DEVLINK_PARAM_TYPE_BOOL 569 570 #define DEVLINK_PARAM_GENERIC_ENABLE_IWARP_NAME "enable_iwarp" 571 #define DEVLINK_PARAM_GENERIC_ENABLE_IWARP_TYPE DEVLINK_PARAM_TYPE_BOOL 572 573 #define DEVLINK_PARAM_GENERIC_IO_EQ_SIZE_NAME "io_eq_size" 574 #define DEVLINK_PARAM_GENERIC_IO_EQ_SIZE_TYPE DEVLINK_PARAM_TYPE_U32 575 576 #define DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_NAME "event_eq_size" 577 #define DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_TYPE DEVLINK_PARAM_TYPE_U32 578 579 #define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate) \ 580 { \ 581 .id = DEVLINK_PARAM_GENERIC_ID_##_id, \ 582 .name = DEVLINK_PARAM_GENERIC_##_id##_NAME, \ 583 .type = DEVLINK_PARAM_GENERIC_##_id##_TYPE, \ 584 .generic = true, \ 585 .supported_cmodes = _cmodes, \ 586 .get = _get, \ 587 .set = _set, \ 588 .validate = _validate, \ 589 } 590 591 #define DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, _get, _set, _validate) \ 592 { \ 593 .id = _id, \ 594 .name = _name, \ 595 .type = _type, \ 596 .supported_cmodes = _cmodes, \ 597 .get = _get, \ 598 .set = _set, \ 599 .validate = _validate, \ 600 } 601 602 /* Part number, identifier of board design */ 603 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_ID "board.id" 604 /* Revision of board design */ 605 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_REV "board.rev" 606 /* Maker of the board */ 607 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_MANUFACTURE "board.manufacture" 608 609 /* Part number, identifier of asic design */ 610 #define DEVLINK_INFO_VERSION_GENERIC_ASIC_ID "asic.id" 611 /* Revision of asic design */ 612 #define DEVLINK_INFO_VERSION_GENERIC_ASIC_REV "asic.rev" 613 614 /* Overall FW version */ 615 #define DEVLINK_INFO_VERSION_GENERIC_FW "fw" 616 /* Control processor FW version */ 617 #define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT "fw.mgmt" 618 /* FW interface specification version */ 619 #define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT_API "fw.mgmt.api" 620 /* Data path microcode controlling high-speed packet processing */ 621 #define DEVLINK_INFO_VERSION_GENERIC_FW_APP "fw.app" 622 /* UNDI software version */ 623 #define DEVLINK_INFO_VERSION_GENERIC_FW_UNDI "fw.undi" 624 /* NCSI support/handler version */ 625 #define DEVLINK_INFO_VERSION_GENERIC_FW_NCSI "fw.ncsi" 626 /* FW parameter set id */ 627 #define DEVLINK_INFO_VERSION_GENERIC_FW_PSID "fw.psid" 628 /* RoCE FW version */ 629 #define DEVLINK_INFO_VERSION_GENERIC_FW_ROCE "fw.roce" 630 /* Firmware bundle identifier */ 631 #define DEVLINK_INFO_VERSION_GENERIC_FW_BUNDLE_ID "fw.bundle_id" 632 /* Bootloader */ 633 #define DEVLINK_INFO_VERSION_GENERIC_FW_BOOTLOADER "fw.bootloader" 634 635 /** 636 * struct devlink_flash_update_params - Flash Update parameters 637 * @fw: pointer to the firmware data to update from 638 * @component: the flash component to update 639 * @overwrite_mask: which types of flash update are supported (may be %0) 640 * 641 * With the exception of fw, drivers must opt-in to parameters by 642 * setting the appropriate bit in the supported_flash_update_params field in 643 * their devlink_ops structure. 644 */ 645 struct devlink_flash_update_params { 646 const struct firmware *fw; 647 const char *component; 648 u32 overwrite_mask; 649 }; 650 651 #define DEVLINK_SUPPORT_FLASH_UPDATE_OVERWRITE_MASK BIT(0) 652 653 struct devlink_region; 654 struct devlink_info_req; 655 656 /** 657 * struct devlink_region_ops - Region operations 658 * @name: region name 659 * @destructor: callback used to free snapshot memory when deleting 660 * @snapshot: callback to request an immediate snapshot. On success, 661 * the data variable must be updated to point to the snapshot data. 662 * The function will be called while the devlink instance lock is 663 * held. 664 * @read: callback to directly read a portion of the region. On success, 665 * the data pointer will be updated with the contents of the 666 * requested portion of the region. The function will be called 667 * while the devlink instance lock is held. 668 * @priv: Pointer to driver private data for the region operation 669 */ 670 struct devlink_region_ops { 671 const char *name; 672 void (*destructor)(const void *data); 673 int (*snapshot)(struct devlink *devlink, 674 const struct devlink_region_ops *ops, 675 struct netlink_ext_ack *extack, 676 u8 **data); 677 int (*read)(struct devlink *devlink, 678 const struct devlink_region_ops *ops, 679 struct netlink_ext_ack *extack, 680 u64 offset, u32 size, u8 *data); 681 void *priv; 682 }; 683 684 /** 685 * struct devlink_port_region_ops - Region operations for a port 686 * @name: region name 687 * @destructor: callback used to free snapshot memory when deleting 688 * @snapshot: callback to request an immediate snapshot. On success, 689 * the data variable must be updated to point to the snapshot data. 690 * The function will be called while the devlink instance lock is 691 * held. 692 * @read: callback to directly read a portion of the region. On success, 693 * the data pointer will be updated with the contents of the 694 * requested portion of the region. The function will be called 695 * while the devlink instance lock is held. 696 * @priv: Pointer to driver private data for the region operation 697 */ 698 struct devlink_port_region_ops { 699 const char *name; 700 void (*destructor)(const void *data); 701 int (*snapshot)(struct devlink_port *port, 702 const struct devlink_port_region_ops *ops, 703 struct netlink_ext_ack *extack, 704 u8 **data); 705 int (*read)(struct devlink_port *port, 706 const struct devlink_port_region_ops *ops, 707 struct netlink_ext_ack *extack, 708 u64 offset, u32 size, u8 *data); 709 void *priv; 710 }; 711 712 struct devlink_fmsg; 713 struct devlink_health_reporter; 714 715 enum devlink_health_reporter_state { 716 DEVLINK_HEALTH_REPORTER_STATE_HEALTHY, 717 DEVLINK_HEALTH_REPORTER_STATE_ERROR, 718 }; 719 720 /** 721 * struct devlink_health_reporter_ops - Reporter operations 722 * @name: reporter name 723 * @recover: callback to recover from reported error 724 * if priv_ctx is NULL, run a full recover 725 * @dump: callback to dump an object 726 * if priv_ctx is NULL, run a full dump 727 * @diagnose: callback to diagnose the current status 728 * @test: callback to trigger a test event 729 */ 730 731 struct devlink_health_reporter_ops { 732 char *name; 733 int (*recover)(struct devlink_health_reporter *reporter, 734 void *priv_ctx, struct netlink_ext_ack *extack); 735 int (*dump)(struct devlink_health_reporter *reporter, 736 struct devlink_fmsg *fmsg, void *priv_ctx, 737 struct netlink_ext_ack *extack); 738 int (*diagnose)(struct devlink_health_reporter *reporter, 739 struct devlink_fmsg *fmsg, 740 struct netlink_ext_ack *extack); 741 int (*test)(struct devlink_health_reporter *reporter, 742 struct netlink_ext_ack *extack); 743 }; 744 745 /** 746 * struct devlink_trap_metadata - Packet trap metadata. 747 * @trap_name: Trap name. 748 * @trap_group_name: Trap group name. 749 * @input_dev: Input netdevice. 750 * @dev_tracker: refcount tracker for @input_dev. 751 * @fa_cookie: Flow action user cookie. 752 * @trap_type: Trap type. 753 */ 754 struct devlink_trap_metadata { 755 const char *trap_name; 756 const char *trap_group_name; 757 758 struct net_device *input_dev; 759 netdevice_tracker dev_tracker; 760 761 const struct flow_action_cookie *fa_cookie; 762 enum devlink_trap_type trap_type; 763 }; 764 765 /** 766 * struct devlink_trap_policer - Immutable packet trap policer attributes. 767 * @id: Policer identifier. 768 * @init_rate: Initial rate in packets / sec. 769 * @init_burst: Initial burst size in packets. 770 * @max_rate: Maximum rate. 771 * @min_rate: Minimum rate. 772 * @max_burst: Maximum burst size. 773 * @min_burst: Minimum burst size. 774 * 775 * Describes immutable attributes of packet trap policers that drivers register 776 * with devlink. 777 */ 778 struct devlink_trap_policer { 779 u32 id; 780 u64 init_rate; 781 u64 init_burst; 782 u64 max_rate; 783 u64 min_rate; 784 u64 max_burst; 785 u64 min_burst; 786 }; 787 788 /** 789 * struct devlink_trap_group - Immutable packet trap group attributes. 790 * @name: Trap group name. 791 * @id: Trap group identifier. 792 * @generic: Whether the trap group is generic or not. 793 * @init_policer_id: Initial policer identifier. 794 * 795 * Describes immutable attributes of packet trap groups that drivers register 796 * with devlink. 797 */ 798 struct devlink_trap_group { 799 const char *name; 800 u16 id; 801 bool generic; 802 u32 init_policer_id; 803 }; 804 805 #define DEVLINK_TRAP_METADATA_TYPE_F_IN_PORT BIT(0) 806 #define DEVLINK_TRAP_METADATA_TYPE_F_FA_COOKIE BIT(1) 807 808 /** 809 * struct devlink_trap - Immutable packet trap attributes. 810 * @type: Trap type. 811 * @init_action: Initial trap action. 812 * @generic: Whether the trap is generic or not. 813 * @id: Trap identifier. 814 * @name: Trap name. 815 * @init_group_id: Initial group identifier. 816 * @metadata_cap: Metadata types that can be provided by the trap. 817 * 818 * Describes immutable attributes of packet traps that drivers register with 819 * devlink. 820 */ 821 struct devlink_trap { 822 enum devlink_trap_type type; 823 enum devlink_trap_action init_action; 824 bool generic; 825 u16 id; 826 const char *name; 827 u16 init_group_id; 828 u32 metadata_cap; 829 }; 830 831 /* All traps must be documented in 832 * Documentation/networking/devlink/devlink-trap.rst 833 */ 834 enum devlink_trap_generic_id { 835 DEVLINK_TRAP_GENERIC_ID_SMAC_MC, 836 DEVLINK_TRAP_GENERIC_ID_VLAN_TAG_MISMATCH, 837 DEVLINK_TRAP_GENERIC_ID_INGRESS_VLAN_FILTER, 838 DEVLINK_TRAP_GENERIC_ID_INGRESS_STP_FILTER, 839 DEVLINK_TRAP_GENERIC_ID_EMPTY_TX_LIST, 840 DEVLINK_TRAP_GENERIC_ID_PORT_LOOPBACK_FILTER, 841 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_ROUTE, 842 DEVLINK_TRAP_GENERIC_ID_TTL_ERROR, 843 DEVLINK_TRAP_GENERIC_ID_TAIL_DROP, 844 DEVLINK_TRAP_GENERIC_ID_NON_IP_PACKET, 845 DEVLINK_TRAP_GENERIC_ID_UC_DIP_MC_DMAC, 846 DEVLINK_TRAP_GENERIC_ID_DIP_LB, 847 DEVLINK_TRAP_GENERIC_ID_SIP_MC, 848 DEVLINK_TRAP_GENERIC_ID_SIP_LB, 849 DEVLINK_TRAP_GENERIC_ID_CORRUPTED_IP_HDR, 850 DEVLINK_TRAP_GENERIC_ID_IPV4_SIP_BC, 851 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_RESERVED_SCOPE, 852 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE, 853 DEVLINK_TRAP_GENERIC_ID_MTU_ERROR, 854 DEVLINK_TRAP_GENERIC_ID_UNRESOLVED_NEIGH, 855 DEVLINK_TRAP_GENERIC_ID_RPF, 856 DEVLINK_TRAP_GENERIC_ID_REJECT_ROUTE, 857 DEVLINK_TRAP_GENERIC_ID_IPV4_LPM_UNICAST_MISS, 858 DEVLINK_TRAP_GENERIC_ID_IPV6_LPM_UNICAST_MISS, 859 DEVLINK_TRAP_GENERIC_ID_NON_ROUTABLE, 860 DEVLINK_TRAP_GENERIC_ID_DECAP_ERROR, 861 DEVLINK_TRAP_GENERIC_ID_OVERLAY_SMAC_MC, 862 DEVLINK_TRAP_GENERIC_ID_INGRESS_FLOW_ACTION_DROP, 863 DEVLINK_TRAP_GENERIC_ID_EGRESS_FLOW_ACTION_DROP, 864 DEVLINK_TRAP_GENERIC_ID_STP, 865 DEVLINK_TRAP_GENERIC_ID_LACP, 866 DEVLINK_TRAP_GENERIC_ID_LLDP, 867 DEVLINK_TRAP_GENERIC_ID_IGMP_QUERY, 868 DEVLINK_TRAP_GENERIC_ID_IGMP_V1_REPORT, 869 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_REPORT, 870 DEVLINK_TRAP_GENERIC_ID_IGMP_V3_REPORT, 871 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_LEAVE, 872 DEVLINK_TRAP_GENERIC_ID_MLD_QUERY, 873 DEVLINK_TRAP_GENERIC_ID_MLD_V1_REPORT, 874 DEVLINK_TRAP_GENERIC_ID_MLD_V2_REPORT, 875 DEVLINK_TRAP_GENERIC_ID_MLD_V1_DONE, 876 DEVLINK_TRAP_GENERIC_ID_IPV4_DHCP, 877 DEVLINK_TRAP_GENERIC_ID_IPV6_DHCP, 878 DEVLINK_TRAP_GENERIC_ID_ARP_REQUEST, 879 DEVLINK_TRAP_GENERIC_ID_ARP_RESPONSE, 880 DEVLINK_TRAP_GENERIC_ID_ARP_OVERLAY, 881 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_SOLICIT, 882 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_ADVERT, 883 DEVLINK_TRAP_GENERIC_ID_IPV4_BFD, 884 DEVLINK_TRAP_GENERIC_ID_IPV6_BFD, 885 DEVLINK_TRAP_GENERIC_ID_IPV4_OSPF, 886 DEVLINK_TRAP_GENERIC_ID_IPV6_OSPF, 887 DEVLINK_TRAP_GENERIC_ID_IPV4_BGP, 888 DEVLINK_TRAP_GENERIC_ID_IPV6_BGP, 889 DEVLINK_TRAP_GENERIC_ID_IPV4_VRRP, 890 DEVLINK_TRAP_GENERIC_ID_IPV6_VRRP, 891 DEVLINK_TRAP_GENERIC_ID_IPV4_PIM, 892 DEVLINK_TRAP_GENERIC_ID_IPV6_PIM, 893 DEVLINK_TRAP_GENERIC_ID_UC_LB, 894 DEVLINK_TRAP_GENERIC_ID_LOCAL_ROUTE, 895 DEVLINK_TRAP_GENERIC_ID_EXTERNAL_ROUTE, 896 DEVLINK_TRAP_GENERIC_ID_IPV6_UC_DIP_LINK_LOCAL_SCOPE, 897 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_NODES, 898 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_ROUTERS, 899 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_SOLICIT, 900 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ADVERT, 901 DEVLINK_TRAP_GENERIC_ID_IPV6_REDIRECT, 902 DEVLINK_TRAP_GENERIC_ID_IPV4_ROUTER_ALERT, 903 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ALERT, 904 DEVLINK_TRAP_GENERIC_ID_PTP_EVENT, 905 DEVLINK_TRAP_GENERIC_ID_PTP_GENERAL, 906 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_SAMPLE, 907 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_TRAP, 908 DEVLINK_TRAP_GENERIC_ID_EARLY_DROP, 909 DEVLINK_TRAP_GENERIC_ID_VXLAN_PARSING, 910 DEVLINK_TRAP_GENERIC_ID_LLC_SNAP_PARSING, 911 DEVLINK_TRAP_GENERIC_ID_VLAN_PARSING, 912 DEVLINK_TRAP_GENERIC_ID_PPPOE_PPP_PARSING, 913 DEVLINK_TRAP_GENERIC_ID_MPLS_PARSING, 914 DEVLINK_TRAP_GENERIC_ID_ARP_PARSING, 915 DEVLINK_TRAP_GENERIC_ID_IP_1_PARSING, 916 DEVLINK_TRAP_GENERIC_ID_IP_N_PARSING, 917 DEVLINK_TRAP_GENERIC_ID_GRE_PARSING, 918 DEVLINK_TRAP_GENERIC_ID_UDP_PARSING, 919 DEVLINK_TRAP_GENERIC_ID_TCP_PARSING, 920 DEVLINK_TRAP_GENERIC_ID_IPSEC_PARSING, 921 DEVLINK_TRAP_GENERIC_ID_SCTP_PARSING, 922 DEVLINK_TRAP_GENERIC_ID_DCCP_PARSING, 923 DEVLINK_TRAP_GENERIC_ID_GTP_PARSING, 924 DEVLINK_TRAP_GENERIC_ID_ESP_PARSING, 925 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_NEXTHOP, 926 DEVLINK_TRAP_GENERIC_ID_DMAC_FILTER, 927 DEVLINK_TRAP_GENERIC_ID_EAPOL, 928 DEVLINK_TRAP_GENERIC_ID_LOCKED_PORT, 929 930 /* Add new generic trap IDs above */ 931 __DEVLINK_TRAP_GENERIC_ID_MAX, 932 DEVLINK_TRAP_GENERIC_ID_MAX = __DEVLINK_TRAP_GENERIC_ID_MAX - 1, 933 }; 934 935 /* All trap groups must be documented in 936 * Documentation/networking/devlink/devlink-trap.rst 937 */ 938 enum devlink_trap_group_generic_id { 939 DEVLINK_TRAP_GROUP_GENERIC_ID_L2_DROPS, 940 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_DROPS, 941 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_EXCEPTIONS, 942 DEVLINK_TRAP_GROUP_GENERIC_ID_BUFFER_DROPS, 943 DEVLINK_TRAP_GROUP_GENERIC_ID_TUNNEL_DROPS, 944 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_DROPS, 945 DEVLINK_TRAP_GROUP_GENERIC_ID_STP, 946 DEVLINK_TRAP_GROUP_GENERIC_ID_LACP, 947 DEVLINK_TRAP_GROUP_GENERIC_ID_LLDP, 948 DEVLINK_TRAP_GROUP_GENERIC_ID_MC_SNOOPING, 949 DEVLINK_TRAP_GROUP_GENERIC_ID_DHCP, 950 DEVLINK_TRAP_GROUP_GENERIC_ID_NEIGH_DISCOVERY, 951 DEVLINK_TRAP_GROUP_GENERIC_ID_BFD, 952 DEVLINK_TRAP_GROUP_GENERIC_ID_OSPF, 953 DEVLINK_TRAP_GROUP_GENERIC_ID_BGP, 954 DEVLINK_TRAP_GROUP_GENERIC_ID_VRRP, 955 DEVLINK_TRAP_GROUP_GENERIC_ID_PIM, 956 DEVLINK_TRAP_GROUP_GENERIC_ID_UC_LB, 957 DEVLINK_TRAP_GROUP_GENERIC_ID_LOCAL_DELIVERY, 958 DEVLINK_TRAP_GROUP_GENERIC_ID_EXTERNAL_DELIVERY, 959 DEVLINK_TRAP_GROUP_GENERIC_ID_IPV6, 960 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_EVENT, 961 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_GENERAL, 962 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_SAMPLE, 963 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_TRAP, 964 DEVLINK_TRAP_GROUP_GENERIC_ID_PARSER_ERROR_DROPS, 965 DEVLINK_TRAP_GROUP_GENERIC_ID_EAPOL, 966 967 /* Add new generic trap group IDs above */ 968 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX, 969 DEVLINK_TRAP_GROUP_GENERIC_ID_MAX = 970 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX - 1, 971 }; 972 973 #define DEVLINK_TRAP_GENERIC_NAME_SMAC_MC \ 974 "source_mac_is_multicast" 975 #define DEVLINK_TRAP_GENERIC_NAME_VLAN_TAG_MISMATCH \ 976 "vlan_tag_mismatch" 977 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_VLAN_FILTER \ 978 "ingress_vlan_filter" 979 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_STP_FILTER \ 980 "ingress_spanning_tree_filter" 981 #define DEVLINK_TRAP_GENERIC_NAME_EMPTY_TX_LIST \ 982 "port_list_is_empty" 983 #define DEVLINK_TRAP_GENERIC_NAME_PORT_LOOPBACK_FILTER \ 984 "port_loopback_filter" 985 #define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_ROUTE \ 986 "blackhole_route" 987 #define DEVLINK_TRAP_GENERIC_NAME_TTL_ERROR \ 988 "ttl_value_is_too_small" 989 #define DEVLINK_TRAP_GENERIC_NAME_TAIL_DROP \ 990 "tail_drop" 991 #define DEVLINK_TRAP_GENERIC_NAME_NON_IP_PACKET \ 992 "non_ip" 993 #define DEVLINK_TRAP_GENERIC_NAME_UC_DIP_MC_DMAC \ 994 "uc_dip_over_mc_dmac" 995 #define DEVLINK_TRAP_GENERIC_NAME_DIP_LB \ 996 "dip_is_loopback_address" 997 #define DEVLINK_TRAP_GENERIC_NAME_SIP_MC \ 998 "sip_is_mc" 999 #define DEVLINK_TRAP_GENERIC_NAME_SIP_LB \ 1000 "sip_is_loopback_address" 1001 #define DEVLINK_TRAP_GENERIC_NAME_CORRUPTED_IP_HDR \ 1002 "ip_header_corrupted" 1003 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_SIP_BC \ 1004 "ipv4_sip_is_limited_bc" 1005 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_RESERVED_SCOPE \ 1006 "ipv6_mc_dip_reserved_scope" 1007 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE \ 1008 "ipv6_mc_dip_interface_local_scope" 1009 #define DEVLINK_TRAP_GENERIC_NAME_MTU_ERROR \ 1010 "mtu_value_is_too_small" 1011 #define DEVLINK_TRAP_GENERIC_NAME_UNRESOLVED_NEIGH \ 1012 "unresolved_neigh" 1013 #define DEVLINK_TRAP_GENERIC_NAME_RPF \ 1014 "mc_reverse_path_forwarding" 1015 #define DEVLINK_TRAP_GENERIC_NAME_REJECT_ROUTE \ 1016 "reject_route" 1017 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_LPM_UNICAST_MISS \ 1018 "ipv4_lpm_miss" 1019 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_LPM_UNICAST_MISS \ 1020 "ipv6_lpm_miss" 1021 #define DEVLINK_TRAP_GENERIC_NAME_NON_ROUTABLE \ 1022 "non_routable_packet" 1023 #define DEVLINK_TRAP_GENERIC_NAME_DECAP_ERROR \ 1024 "decap_error" 1025 #define DEVLINK_TRAP_GENERIC_NAME_OVERLAY_SMAC_MC \ 1026 "overlay_smac_is_mc" 1027 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_FLOW_ACTION_DROP \ 1028 "ingress_flow_action_drop" 1029 #define DEVLINK_TRAP_GENERIC_NAME_EGRESS_FLOW_ACTION_DROP \ 1030 "egress_flow_action_drop" 1031 #define DEVLINK_TRAP_GENERIC_NAME_STP \ 1032 "stp" 1033 #define DEVLINK_TRAP_GENERIC_NAME_LACP \ 1034 "lacp" 1035 #define DEVLINK_TRAP_GENERIC_NAME_LLDP \ 1036 "lldp" 1037 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_QUERY \ 1038 "igmp_query" 1039 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V1_REPORT \ 1040 "igmp_v1_report" 1041 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_REPORT \ 1042 "igmp_v2_report" 1043 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V3_REPORT \ 1044 "igmp_v3_report" 1045 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_LEAVE \ 1046 "igmp_v2_leave" 1047 #define DEVLINK_TRAP_GENERIC_NAME_MLD_QUERY \ 1048 "mld_query" 1049 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_REPORT \ 1050 "mld_v1_report" 1051 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V2_REPORT \ 1052 "mld_v2_report" 1053 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_DONE \ 1054 "mld_v1_done" 1055 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_DHCP \ 1056 "ipv4_dhcp" 1057 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DHCP \ 1058 "ipv6_dhcp" 1059 #define DEVLINK_TRAP_GENERIC_NAME_ARP_REQUEST \ 1060 "arp_request" 1061 #define DEVLINK_TRAP_GENERIC_NAME_ARP_RESPONSE \ 1062 "arp_response" 1063 #define DEVLINK_TRAP_GENERIC_NAME_ARP_OVERLAY \ 1064 "arp_overlay" 1065 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_SOLICIT \ 1066 "ipv6_neigh_solicit" 1067 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_ADVERT \ 1068 "ipv6_neigh_advert" 1069 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_BFD \ 1070 "ipv4_bfd" 1071 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_BFD \ 1072 "ipv6_bfd" 1073 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_OSPF \ 1074 "ipv4_ospf" 1075 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_OSPF \ 1076 "ipv6_ospf" 1077 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_BGP \ 1078 "ipv4_bgp" 1079 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_BGP \ 1080 "ipv6_bgp" 1081 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_VRRP \ 1082 "ipv4_vrrp" 1083 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_VRRP \ 1084 "ipv6_vrrp" 1085 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_PIM \ 1086 "ipv4_pim" 1087 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_PIM \ 1088 "ipv6_pim" 1089 #define DEVLINK_TRAP_GENERIC_NAME_UC_LB \ 1090 "uc_loopback" 1091 #define DEVLINK_TRAP_GENERIC_NAME_LOCAL_ROUTE \ 1092 "local_route" 1093 #define DEVLINK_TRAP_GENERIC_NAME_EXTERNAL_ROUTE \ 1094 "external_route" 1095 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_UC_DIP_LINK_LOCAL_SCOPE \ 1096 "ipv6_uc_dip_link_local_scope" 1097 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_NODES \ 1098 "ipv6_dip_all_nodes" 1099 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_ROUTERS \ 1100 "ipv6_dip_all_routers" 1101 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_SOLICIT \ 1102 "ipv6_router_solicit" 1103 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ADVERT \ 1104 "ipv6_router_advert" 1105 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_REDIRECT \ 1106 "ipv6_redirect" 1107 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_ROUTER_ALERT \ 1108 "ipv4_router_alert" 1109 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ALERT \ 1110 "ipv6_router_alert" 1111 #define DEVLINK_TRAP_GENERIC_NAME_PTP_EVENT \ 1112 "ptp_event" 1113 #define DEVLINK_TRAP_GENERIC_NAME_PTP_GENERAL \ 1114 "ptp_general" 1115 #define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_SAMPLE \ 1116 "flow_action_sample" 1117 #define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_TRAP \ 1118 "flow_action_trap" 1119 #define DEVLINK_TRAP_GENERIC_NAME_EARLY_DROP \ 1120 "early_drop" 1121 #define DEVLINK_TRAP_GENERIC_NAME_VXLAN_PARSING \ 1122 "vxlan_parsing" 1123 #define DEVLINK_TRAP_GENERIC_NAME_LLC_SNAP_PARSING \ 1124 "llc_snap_parsing" 1125 #define DEVLINK_TRAP_GENERIC_NAME_VLAN_PARSING \ 1126 "vlan_parsing" 1127 #define DEVLINK_TRAP_GENERIC_NAME_PPPOE_PPP_PARSING \ 1128 "pppoe_ppp_parsing" 1129 #define DEVLINK_TRAP_GENERIC_NAME_MPLS_PARSING \ 1130 "mpls_parsing" 1131 #define DEVLINK_TRAP_GENERIC_NAME_ARP_PARSING \ 1132 "arp_parsing" 1133 #define DEVLINK_TRAP_GENERIC_NAME_IP_1_PARSING \ 1134 "ip_1_parsing" 1135 #define DEVLINK_TRAP_GENERIC_NAME_IP_N_PARSING \ 1136 "ip_n_parsing" 1137 #define DEVLINK_TRAP_GENERIC_NAME_GRE_PARSING \ 1138 "gre_parsing" 1139 #define DEVLINK_TRAP_GENERIC_NAME_UDP_PARSING \ 1140 "udp_parsing" 1141 #define DEVLINK_TRAP_GENERIC_NAME_TCP_PARSING \ 1142 "tcp_parsing" 1143 #define DEVLINK_TRAP_GENERIC_NAME_IPSEC_PARSING \ 1144 "ipsec_parsing" 1145 #define DEVLINK_TRAP_GENERIC_NAME_SCTP_PARSING \ 1146 "sctp_parsing" 1147 #define DEVLINK_TRAP_GENERIC_NAME_DCCP_PARSING \ 1148 "dccp_parsing" 1149 #define DEVLINK_TRAP_GENERIC_NAME_GTP_PARSING \ 1150 "gtp_parsing" 1151 #define DEVLINK_TRAP_GENERIC_NAME_ESP_PARSING \ 1152 "esp_parsing" 1153 #define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_NEXTHOP \ 1154 "blackhole_nexthop" 1155 #define DEVLINK_TRAP_GENERIC_NAME_DMAC_FILTER \ 1156 "dmac_filter" 1157 #define DEVLINK_TRAP_GENERIC_NAME_EAPOL \ 1158 "eapol" 1159 #define DEVLINK_TRAP_GENERIC_NAME_LOCKED_PORT \ 1160 "locked_port" 1161 1162 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L2_DROPS \ 1163 "l2_drops" 1164 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_DROPS \ 1165 "l3_drops" 1166 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_EXCEPTIONS \ 1167 "l3_exceptions" 1168 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BUFFER_DROPS \ 1169 "buffer_drops" 1170 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_TUNNEL_DROPS \ 1171 "tunnel_drops" 1172 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_DROPS \ 1173 "acl_drops" 1174 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_STP \ 1175 "stp" 1176 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LACP \ 1177 "lacp" 1178 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LLDP \ 1179 "lldp" 1180 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_MC_SNOOPING \ 1181 "mc_snooping" 1182 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_DHCP \ 1183 "dhcp" 1184 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_NEIGH_DISCOVERY \ 1185 "neigh_discovery" 1186 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BFD \ 1187 "bfd" 1188 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_OSPF \ 1189 "ospf" 1190 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BGP \ 1191 "bgp" 1192 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_VRRP \ 1193 "vrrp" 1194 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PIM \ 1195 "pim" 1196 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_UC_LB \ 1197 "uc_loopback" 1198 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LOCAL_DELIVERY \ 1199 "local_delivery" 1200 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_EXTERNAL_DELIVERY \ 1201 "external_delivery" 1202 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_IPV6 \ 1203 "ipv6" 1204 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_EVENT \ 1205 "ptp_event" 1206 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_GENERAL \ 1207 "ptp_general" 1208 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_SAMPLE \ 1209 "acl_sample" 1210 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_TRAP \ 1211 "acl_trap" 1212 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PARSER_ERROR_DROPS \ 1213 "parser_error_drops" 1214 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_EAPOL \ 1215 "eapol" 1216 1217 #define DEVLINK_TRAP_GENERIC(_type, _init_action, _id, _group_id, \ 1218 _metadata_cap) \ 1219 { \ 1220 .type = DEVLINK_TRAP_TYPE_##_type, \ 1221 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \ 1222 .generic = true, \ 1223 .id = DEVLINK_TRAP_GENERIC_ID_##_id, \ 1224 .name = DEVLINK_TRAP_GENERIC_NAME_##_id, \ 1225 .init_group_id = _group_id, \ 1226 .metadata_cap = _metadata_cap, \ 1227 } 1228 1229 #define DEVLINK_TRAP_DRIVER(_type, _init_action, _id, _name, _group_id, \ 1230 _metadata_cap) \ 1231 { \ 1232 .type = DEVLINK_TRAP_TYPE_##_type, \ 1233 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \ 1234 .generic = false, \ 1235 .id = _id, \ 1236 .name = _name, \ 1237 .init_group_id = _group_id, \ 1238 .metadata_cap = _metadata_cap, \ 1239 } 1240 1241 #define DEVLINK_TRAP_GROUP_GENERIC(_id, _policer_id) \ 1242 { \ 1243 .name = DEVLINK_TRAP_GROUP_GENERIC_NAME_##_id, \ 1244 .id = DEVLINK_TRAP_GROUP_GENERIC_ID_##_id, \ 1245 .generic = true, \ 1246 .init_policer_id = _policer_id, \ 1247 } 1248 1249 #define DEVLINK_TRAP_POLICER(_id, _rate, _burst, _max_rate, _min_rate, \ 1250 _max_burst, _min_burst) \ 1251 { \ 1252 .id = _id, \ 1253 .init_rate = _rate, \ 1254 .init_burst = _burst, \ 1255 .max_rate = _max_rate, \ 1256 .min_rate = _min_rate, \ 1257 .max_burst = _max_burst, \ 1258 .min_burst = _min_burst, \ 1259 } 1260 1261 enum { 1262 /* device supports reload operations */ 1263 DEVLINK_F_RELOAD = 1UL << 0, 1264 }; 1265 1266 struct devlink_ops { 1267 /** 1268 * @supported_flash_update_params: 1269 * mask of parameters supported by the driver's .flash_update 1270 * implementation. 1271 */ 1272 u32 supported_flash_update_params; 1273 unsigned long reload_actions; 1274 unsigned long reload_limits; 1275 int (*reload_down)(struct devlink *devlink, bool netns_change, 1276 enum devlink_reload_action action, 1277 enum devlink_reload_limit limit, 1278 struct netlink_ext_ack *extack); 1279 int (*reload_up)(struct devlink *devlink, enum devlink_reload_action action, 1280 enum devlink_reload_limit limit, u32 *actions_performed, 1281 struct netlink_ext_ack *extack); 1282 int (*sb_pool_get)(struct devlink *devlink, unsigned int sb_index, 1283 u16 pool_index, 1284 struct devlink_sb_pool_info *pool_info); 1285 int (*sb_pool_set)(struct devlink *devlink, unsigned int sb_index, 1286 u16 pool_index, u32 size, 1287 enum devlink_sb_threshold_type threshold_type, 1288 struct netlink_ext_ack *extack); 1289 int (*sb_port_pool_get)(struct devlink_port *devlink_port, 1290 unsigned int sb_index, u16 pool_index, 1291 u32 *p_threshold); 1292 int (*sb_port_pool_set)(struct devlink_port *devlink_port, 1293 unsigned int sb_index, u16 pool_index, 1294 u32 threshold, struct netlink_ext_ack *extack); 1295 int (*sb_tc_pool_bind_get)(struct devlink_port *devlink_port, 1296 unsigned int sb_index, 1297 u16 tc_index, 1298 enum devlink_sb_pool_type pool_type, 1299 u16 *p_pool_index, u32 *p_threshold); 1300 int (*sb_tc_pool_bind_set)(struct devlink_port *devlink_port, 1301 unsigned int sb_index, 1302 u16 tc_index, 1303 enum devlink_sb_pool_type pool_type, 1304 u16 pool_index, u32 threshold, 1305 struct netlink_ext_ack *extack); 1306 int (*sb_occ_snapshot)(struct devlink *devlink, 1307 unsigned int sb_index); 1308 int (*sb_occ_max_clear)(struct devlink *devlink, 1309 unsigned int sb_index); 1310 int (*sb_occ_port_pool_get)(struct devlink_port *devlink_port, 1311 unsigned int sb_index, u16 pool_index, 1312 u32 *p_cur, u32 *p_max); 1313 int (*sb_occ_tc_port_bind_get)(struct devlink_port *devlink_port, 1314 unsigned int sb_index, 1315 u16 tc_index, 1316 enum devlink_sb_pool_type pool_type, 1317 u32 *p_cur, u32 *p_max); 1318 1319 int (*eswitch_mode_get)(struct devlink *devlink, u16 *p_mode); 1320 int (*eswitch_mode_set)(struct devlink *devlink, u16 mode, 1321 struct netlink_ext_ack *extack); 1322 int (*eswitch_inline_mode_get)(struct devlink *devlink, u8 *p_inline_mode); 1323 int (*eswitch_inline_mode_set)(struct devlink *devlink, u8 inline_mode, 1324 struct netlink_ext_ack *extack); 1325 int (*eswitch_encap_mode_get)(struct devlink *devlink, 1326 enum devlink_eswitch_encap_mode *p_encap_mode); 1327 int (*eswitch_encap_mode_set)(struct devlink *devlink, 1328 enum devlink_eswitch_encap_mode encap_mode, 1329 struct netlink_ext_ack *extack); 1330 int (*info_get)(struct devlink *devlink, struct devlink_info_req *req, 1331 struct netlink_ext_ack *extack); 1332 /** 1333 * @flash_update: Device flash update function 1334 * 1335 * Used to perform a flash update for the device. The set of 1336 * parameters supported by the driver should be set in 1337 * supported_flash_update_params. 1338 */ 1339 int (*flash_update)(struct devlink *devlink, 1340 struct devlink_flash_update_params *params, 1341 struct netlink_ext_ack *extack); 1342 /** 1343 * @trap_init: Trap initialization function. 1344 * 1345 * Should be used by device drivers to initialize the trap in the 1346 * underlying device. Drivers should also store the provided trap 1347 * context, so that they could efficiently pass it to 1348 * devlink_trap_report() when the trap is triggered. 1349 */ 1350 int (*trap_init)(struct devlink *devlink, 1351 const struct devlink_trap *trap, void *trap_ctx); 1352 /** 1353 * @trap_fini: Trap de-initialization function. 1354 * 1355 * Should be used by device drivers to de-initialize the trap in the 1356 * underlying device. 1357 */ 1358 void (*trap_fini)(struct devlink *devlink, 1359 const struct devlink_trap *trap, void *trap_ctx); 1360 /** 1361 * @trap_action_set: Trap action set function. 1362 */ 1363 int (*trap_action_set)(struct devlink *devlink, 1364 const struct devlink_trap *trap, 1365 enum devlink_trap_action action, 1366 struct netlink_ext_ack *extack); 1367 /** 1368 * @trap_group_init: Trap group initialization function. 1369 * 1370 * Should be used by device drivers to initialize the trap group in the 1371 * underlying device. 1372 */ 1373 int (*trap_group_init)(struct devlink *devlink, 1374 const struct devlink_trap_group *group); 1375 /** 1376 * @trap_group_set: Trap group parameters set function. 1377 * 1378 * Note: @policer can be NULL when a policer is being unbound from 1379 * @group. 1380 */ 1381 int (*trap_group_set)(struct devlink *devlink, 1382 const struct devlink_trap_group *group, 1383 const struct devlink_trap_policer *policer, 1384 struct netlink_ext_ack *extack); 1385 /** 1386 * @trap_group_action_set: Trap group action set function. 1387 * 1388 * If this callback is populated, it will take precedence over looping 1389 * over all traps in a group and calling .trap_action_set(). 1390 */ 1391 int (*trap_group_action_set)(struct devlink *devlink, 1392 const struct devlink_trap_group *group, 1393 enum devlink_trap_action action, 1394 struct netlink_ext_ack *extack); 1395 /** 1396 * @trap_drop_counter_get: Trap drop counter get function. 1397 * 1398 * Should be used by device drivers to report number of packets 1399 * that have been dropped, and cannot be passed to the devlink 1400 * subsystem by the underlying device. 1401 */ 1402 int (*trap_drop_counter_get)(struct devlink *devlink, 1403 const struct devlink_trap *trap, 1404 u64 *p_drops); 1405 /** 1406 * @trap_policer_init: Trap policer initialization function. 1407 * 1408 * Should be used by device drivers to initialize the trap policer in 1409 * the underlying device. 1410 */ 1411 int (*trap_policer_init)(struct devlink *devlink, 1412 const struct devlink_trap_policer *policer); 1413 /** 1414 * @trap_policer_fini: Trap policer de-initialization function. 1415 * 1416 * Should be used by device drivers to de-initialize the trap policer 1417 * in the underlying device. 1418 */ 1419 void (*trap_policer_fini)(struct devlink *devlink, 1420 const struct devlink_trap_policer *policer); 1421 /** 1422 * @trap_policer_set: Trap policer parameters set function. 1423 */ 1424 int (*trap_policer_set)(struct devlink *devlink, 1425 const struct devlink_trap_policer *policer, 1426 u64 rate, u64 burst, 1427 struct netlink_ext_ack *extack); 1428 /** 1429 * @trap_policer_counter_get: Trap policer counter get function. 1430 * 1431 * Should be used by device drivers to report number of packets dropped 1432 * by the policer. 1433 */ 1434 int (*trap_policer_counter_get)(struct devlink *devlink, 1435 const struct devlink_trap_policer *policer, 1436 u64 *p_drops); 1437 /** 1438 * port_new() - Add a new port function of a specified flavor 1439 * @devlink: Devlink instance 1440 * @attrs: attributes of the new port 1441 * @extack: extack for reporting error messages 1442 * @devlink_port: pointer to store new devlink port pointer 1443 * 1444 * Devlink core will call this device driver function upon user request 1445 * to create a new port function of a specified flavor and optional 1446 * attributes 1447 * 1448 * Notes: 1449 * - On success, drivers must register a port with devlink core 1450 * 1451 * Return: 0 on success, negative value otherwise. 1452 */ 1453 int (*port_new)(struct devlink *devlink, 1454 const struct devlink_port_new_attrs *attrs, 1455 struct netlink_ext_ack *extack, 1456 struct devlink_port **devlink_port); 1457 1458 /** 1459 * Rate control callbacks. 1460 */ 1461 int (*rate_leaf_tx_share_set)(struct devlink_rate *devlink_rate, void *priv, 1462 u64 tx_share, struct netlink_ext_ack *extack); 1463 int (*rate_leaf_tx_max_set)(struct devlink_rate *devlink_rate, void *priv, 1464 u64 tx_max, struct netlink_ext_ack *extack); 1465 int (*rate_leaf_tx_priority_set)(struct devlink_rate *devlink_rate, void *priv, 1466 u32 tx_priority, struct netlink_ext_ack *extack); 1467 int (*rate_leaf_tx_weight_set)(struct devlink_rate *devlink_rate, void *priv, 1468 u32 tx_weight, struct netlink_ext_ack *extack); 1469 int (*rate_node_tx_share_set)(struct devlink_rate *devlink_rate, void *priv, 1470 u64 tx_share, struct netlink_ext_ack *extack); 1471 int (*rate_node_tx_max_set)(struct devlink_rate *devlink_rate, void *priv, 1472 u64 tx_max, struct netlink_ext_ack *extack); 1473 int (*rate_node_tx_priority_set)(struct devlink_rate *devlink_rate, void *priv, 1474 u32 tx_priority, struct netlink_ext_ack *extack); 1475 int (*rate_node_tx_weight_set)(struct devlink_rate *devlink_rate, void *priv, 1476 u32 tx_weight, struct netlink_ext_ack *extack); 1477 int (*rate_node_new)(struct devlink_rate *rate_node, void **priv, 1478 struct netlink_ext_ack *extack); 1479 int (*rate_node_del)(struct devlink_rate *rate_node, void *priv, 1480 struct netlink_ext_ack *extack); 1481 int (*rate_leaf_parent_set)(struct devlink_rate *child, 1482 struct devlink_rate *parent, 1483 void *priv_child, void *priv_parent, 1484 struct netlink_ext_ack *extack); 1485 int (*rate_node_parent_set)(struct devlink_rate *child, 1486 struct devlink_rate *parent, 1487 void *priv_child, void *priv_parent, 1488 struct netlink_ext_ack *extack); 1489 /** 1490 * selftests_check() - queries if selftest is supported 1491 * @devlink: devlink instance 1492 * @id: test index 1493 * @extack: extack for reporting error messages 1494 * 1495 * Return: true if test is supported by the driver 1496 */ 1497 bool (*selftest_check)(struct devlink *devlink, unsigned int id, 1498 struct netlink_ext_ack *extack); 1499 /** 1500 * selftest_run() - Runs a selftest 1501 * @devlink: devlink instance 1502 * @id: test index 1503 * @extack: extack for reporting error messages 1504 * 1505 * Return: status of the test 1506 */ 1507 enum devlink_selftest_status 1508 (*selftest_run)(struct devlink *devlink, unsigned int id, 1509 struct netlink_ext_ack *extack); 1510 }; 1511 1512 void *devlink_priv(struct devlink *devlink); 1513 struct devlink *priv_to_devlink(void *priv); 1514 struct device *devlink_to_dev(const struct devlink *devlink); 1515 1516 /* Devlink instance explicit locking */ 1517 void devl_lock(struct devlink *devlink); 1518 int devl_trylock(struct devlink *devlink); 1519 void devl_unlock(struct devlink *devlink); 1520 void devl_assert_locked(struct devlink *devlink); 1521 bool devl_lock_is_held(struct devlink *devlink); 1522 1523 struct ib_device; 1524 1525 struct net *devlink_net(const struct devlink *devlink); 1526 /* This call is intended for software devices that can create 1527 * devlink instances in other namespaces than init_net. 1528 * 1529 * Drivers that operate on real HW must use devlink_alloc() instead. 1530 */ 1531 struct devlink *devlink_alloc_ns(const struct devlink_ops *ops, 1532 size_t priv_size, struct net *net, 1533 struct device *dev); 1534 static inline struct devlink *devlink_alloc(const struct devlink_ops *ops, 1535 size_t priv_size, 1536 struct device *dev) 1537 { 1538 return devlink_alloc_ns(ops, priv_size, &init_net, dev); 1539 } 1540 1541 int devl_register(struct devlink *devlink); 1542 void devl_unregister(struct devlink *devlink); 1543 void devlink_register(struct devlink *devlink); 1544 void devlink_unregister(struct devlink *devlink); 1545 void devlink_free(struct devlink *devlink); 1546 1547 /** 1548 * struct devlink_port_ops - Port operations 1549 * @port_split: Callback used to split the port into multiple ones. 1550 * @port_unsplit: Callback used to unsplit the port group back into 1551 * a single port. 1552 * @port_type_set: Callback used to set a type of a port. 1553 * @port_del: Callback used to delete selected port along with related function. 1554 * Devlink core calls this upon user request to delete 1555 * a port previously created by devlink_ops->port_new(). 1556 * @port_fn_hw_addr_get: Callback used to set port function's hardware address. 1557 * Should be used by device drivers to report 1558 * the hardware address of a function managed 1559 * by the devlink port. 1560 * @port_fn_hw_addr_set: Callback used to set port function's hardware address. 1561 * Should be used by device drivers to set the hardware 1562 * address of a function managed by the devlink port. 1563 * @port_fn_roce_get: Callback used to get port function's RoCE capability. 1564 * Should be used by device drivers to report 1565 * the current state of RoCE capability of a function 1566 * managed by the devlink port. 1567 * @port_fn_roce_set: Callback used to set port function's RoCE capability. 1568 * Should be used by device drivers to enable/disable 1569 * RoCE capability of a function managed 1570 * by the devlink port. 1571 * @port_fn_migratable_get: Callback used to get port function's migratable 1572 * capability. Should be used by device drivers 1573 * to report the current state of migratable capability 1574 * of a function managed by the devlink port. 1575 * @port_fn_migratable_set: Callback used to set port function's migratable 1576 * capability. Should be used by device drivers 1577 * to enable/disable migratable capability of 1578 * a function managed by the devlink port. 1579 * @port_fn_state_get: Callback used to get port function's state. 1580 * Should be used by device drivers to report 1581 * the current admin and operational state of a 1582 * function managed by the devlink port. 1583 * @port_fn_state_set: Callback used to get port function's state. 1584 * Should be used by device drivers set 1585 * the admin state of a function managed 1586 * by the devlink port. 1587 * @port_fn_ipsec_crypto_get: Callback used to get port function's ipsec_crypto 1588 * capability. Should be used by device drivers 1589 * to report the current state of ipsec_crypto 1590 * capability of a function managed by the devlink 1591 * port. 1592 * @port_fn_ipsec_crypto_set: Callback used to set port function's ipsec_crypto 1593 * capability. Should be used by device drivers to 1594 * enable/disable ipsec_crypto capability of a 1595 * function managed by the devlink port. 1596 * @port_fn_ipsec_packet_get: Callback used to get port function's ipsec_packet 1597 * capability. Should be used by device drivers 1598 * to report the current state of ipsec_packet 1599 * capability of a function managed by the devlink 1600 * port. 1601 * @port_fn_ipsec_packet_set: Callback used to set port function's ipsec_packet 1602 * capability. Should be used by device drivers to 1603 * enable/disable ipsec_packet capability of a 1604 * function managed by the devlink port. 1605 * 1606 * Note: Driver should return -EOPNOTSUPP if it doesn't support 1607 * port function (@port_fn_*) handling for a particular port. 1608 */ 1609 struct devlink_port_ops { 1610 int (*port_split)(struct devlink *devlink, struct devlink_port *port, 1611 unsigned int count, struct netlink_ext_ack *extack); 1612 int (*port_unsplit)(struct devlink *devlink, struct devlink_port *port, 1613 struct netlink_ext_ack *extack); 1614 int (*port_type_set)(struct devlink_port *devlink_port, 1615 enum devlink_port_type port_type); 1616 int (*port_del)(struct devlink *devlink, struct devlink_port *port, 1617 struct netlink_ext_ack *extack); 1618 int (*port_fn_hw_addr_get)(struct devlink_port *port, u8 *hw_addr, 1619 int *hw_addr_len, 1620 struct netlink_ext_ack *extack); 1621 int (*port_fn_hw_addr_set)(struct devlink_port *port, 1622 const u8 *hw_addr, int hw_addr_len, 1623 struct netlink_ext_ack *extack); 1624 int (*port_fn_roce_get)(struct devlink_port *devlink_port, 1625 bool *is_enable, 1626 struct netlink_ext_ack *extack); 1627 int (*port_fn_roce_set)(struct devlink_port *devlink_port, 1628 bool enable, struct netlink_ext_ack *extack); 1629 int (*port_fn_migratable_get)(struct devlink_port *devlink_port, 1630 bool *is_enable, 1631 struct netlink_ext_ack *extack); 1632 int (*port_fn_migratable_set)(struct devlink_port *devlink_port, 1633 bool enable, 1634 struct netlink_ext_ack *extack); 1635 int (*port_fn_state_get)(struct devlink_port *port, 1636 enum devlink_port_fn_state *state, 1637 enum devlink_port_fn_opstate *opstate, 1638 struct netlink_ext_ack *extack); 1639 int (*port_fn_state_set)(struct devlink_port *port, 1640 enum devlink_port_fn_state state, 1641 struct netlink_ext_ack *extack); 1642 int (*port_fn_ipsec_crypto_get)(struct devlink_port *devlink_port, 1643 bool *is_enable, 1644 struct netlink_ext_ack *extack); 1645 int (*port_fn_ipsec_crypto_set)(struct devlink_port *devlink_port, 1646 bool enable, 1647 struct netlink_ext_ack *extack); 1648 int (*port_fn_ipsec_packet_get)(struct devlink_port *devlink_port, 1649 bool *is_enable, 1650 struct netlink_ext_ack *extack); 1651 int (*port_fn_ipsec_packet_set)(struct devlink_port *devlink_port, 1652 bool enable, 1653 struct netlink_ext_ack *extack); 1654 }; 1655 1656 void devlink_port_init(struct devlink *devlink, 1657 struct devlink_port *devlink_port); 1658 void devlink_port_fini(struct devlink_port *devlink_port); 1659 1660 int devl_port_register_with_ops(struct devlink *devlink, 1661 struct devlink_port *devlink_port, 1662 unsigned int port_index, 1663 const struct devlink_port_ops *ops); 1664 1665 static inline int devl_port_register(struct devlink *devlink, 1666 struct devlink_port *devlink_port, 1667 unsigned int port_index) 1668 { 1669 return devl_port_register_with_ops(devlink, devlink_port, 1670 port_index, NULL); 1671 } 1672 1673 int devlink_port_register_with_ops(struct devlink *devlink, 1674 struct devlink_port *devlink_port, 1675 unsigned int port_index, 1676 const struct devlink_port_ops *ops); 1677 1678 static inline int devlink_port_register(struct devlink *devlink, 1679 struct devlink_port *devlink_port, 1680 unsigned int port_index) 1681 { 1682 return devlink_port_register_with_ops(devlink, devlink_port, 1683 port_index, NULL); 1684 } 1685 1686 void devl_port_unregister(struct devlink_port *devlink_port); 1687 void devlink_port_unregister(struct devlink_port *devlink_port); 1688 void devlink_port_type_eth_set(struct devlink_port *devlink_port); 1689 void devlink_port_type_ib_set(struct devlink_port *devlink_port, 1690 struct ib_device *ibdev); 1691 void devlink_port_type_clear(struct devlink_port *devlink_port); 1692 void devlink_port_attrs_set(struct devlink_port *devlink_port, 1693 struct devlink_port_attrs *devlink_port_attrs); 1694 void devlink_port_attrs_pci_pf_set(struct devlink_port *devlink_port, u32 controller, 1695 u16 pf, bool external); 1696 void devlink_port_attrs_pci_vf_set(struct devlink_port *devlink_port, u32 controller, 1697 u16 pf, u16 vf, bool external); 1698 void devlink_port_attrs_pci_sf_set(struct devlink_port *devlink_port, 1699 u32 controller, u16 pf, u32 sf, 1700 bool external); 1701 int devl_port_fn_devlink_set(struct devlink_port *devlink_port, 1702 struct devlink *fn_devlink); 1703 struct devlink_rate * 1704 devl_rate_node_create(struct devlink *devlink, void *priv, char *node_name, 1705 struct devlink_rate *parent); 1706 int 1707 devl_rate_leaf_create(struct devlink_port *devlink_port, void *priv, 1708 struct devlink_rate *parent); 1709 void devl_rate_leaf_destroy(struct devlink_port *devlink_port); 1710 void devl_rate_nodes_destroy(struct devlink *devlink); 1711 void devlink_port_linecard_set(struct devlink_port *devlink_port, 1712 struct devlink_linecard *linecard); 1713 struct devlink_linecard * 1714 devl_linecard_create(struct devlink *devlink, unsigned int linecard_index, 1715 const struct devlink_linecard_ops *ops, void *priv); 1716 void devl_linecard_destroy(struct devlink_linecard *linecard); 1717 void devlink_linecard_provision_set(struct devlink_linecard *linecard, 1718 const char *type); 1719 void devlink_linecard_provision_clear(struct devlink_linecard *linecard); 1720 void devlink_linecard_provision_fail(struct devlink_linecard *linecard); 1721 void devlink_linecard_activate(struct devlink_linecard *linecard); 1722 void devlink_linecard_deactivate(struct devlink_linecard *linecard); 1723 int devlink_linecard_nested_dl_set(struct devlink_linecard *linecard, 1724 struct devlink *nested_devlink); 1725 int devl_sb_register(struct devlink *devlink, unsigned int sb_index, 1726 u32 size, u16 ingress_pools_count, 1727 u16 egress_pools_count, u16 ingress_tc_count, 1728 u16 egress_tc_count); 1729 int devlink_sb_register(struct devlink *devlink, unsigned int sb_index, 1730 u32 size, u16 ingress_pools_count, 1731 u16 egress_pools_count, u16 ingress_tc_count, 1732 u16 egress_tc_count); 1733 void devl_sb_unregister(struct devlink *devlink, unsigned int sb_index); 1734 void devlink_sb_unregister(struct devlink *devlink, unsigned int sb_index); 1735 int devl_dpipe_table_register(struct devlink *devlink, 1736 const char *table_name, 1737 struct devlink_dpipe_table_ops *table_ops, 1738 void *priv, bool counter_control_extern); 1739 void devl_dpipe_table_unregister(struct devlink *devlink, 1740 const char *table_name); 1741 void devl_dpipe_headers_register(struct devlink *devlink, 1742 struct devlink_dpipe_headers *dpipe_headers); 1743 void devl_dpipe_headers_unregister(struct devlink *devlink); 1744 bool devlink_dpipe_table_counter_enabled(struct devlink *devlink, 1745 const char *table_name); 1746 int devlink_dpipe_entry_ctx_prepare(struct devlink_dpipe_dump_ctx *dump_ctx); 1747 int devlink_dpipe_entry_ctx_append(struct devlink_dpipe_dump_ctx *dump_ctx, 1748 struct devlink_dpipe_entry *entry); 1749 int devlink_dpipe_entry_ctx_close(struct devlink_dpipe_dump_ctx *dump_ctx); 1750 void devlink_dpipe_entry_clear(struct devlink_dpipe_entry *entry); 1751 int devlink_dpipe_action_put(struct sk_buff *skb, 1752 struct devlink_dpipe_action *action); 1753 int devlink_dpipe_match_put(struct sk_buff *skb, 1754 struct devlink_dpipe_match *match); 1755 extern struct devlink_dpipe_header devlink_dpipe_header_ethernet; 1756 extern struct devlink_dpipe_header devlink_dpipe_header_ipv4; 1757 extern struct devlink_dpipe_header devlink_dpipe_header_ipv6; 1758 1759 int devl_resource_register(struct devlink *devlink, 1760 const char *resource_name, 1761 u64 resource_size, 1762 u64 resource_id, 1763 u64 parent_resource_id, 1764 const struct devlink_resource_size_params *size_params); 1765 int devlink_resource_register(struct devlink *devlink, 1766 const char *resource_name, 1767 u64 resource_size, 1768 u64 resource_id, 1769 u64 parent_resource_id, 1770 const struct devlink_resource_size_params *size_params); 1771 void devl_resources_unregister(struct devlink *devlink); 1772 void devlink_resources_unregister(struct devlink *devlink); 1773 int devl_resource_size_get(struct devlink *devlink, 1774 u64 resource_id, 1775 u64 *p_resource_size); 1776 int devl_dpipe_table_resource_set(struct devlink *devlink, 1777 const char *table_name, u64 resource_id, 1778 u64 resource_units); 1779 void devl_resource_occ_get_register(struct devlink *devlink, 1780 u64 resource_id, 1781 devlink_resource_occ_get_t *occ_get, 1782 void *occ_get_priv); 1783 void devlink_resource_occ_get_register(struct devlink *devlink, 1784 u64 resource_id, 1785 devlink_resource_occ_get_t *occ_get, 1786 void *occ_get_priv); 1787 void devl_resource_occ_get_unregister(struct devlink *devlink, 1788 u64 resource_id); 1789 1790 void devlink_resource_occ_get_unregister(struct devlink *devlink, 1791 u64 resource_id); 1792 int devl_params_register(struct devlink *devlink, 1793 const struct devlink_param *params, 1794 size_t params_count); 1795 int devlink_params_register(struct devlink *devlink, 1796 const struct devlink_param *params, 1797 size_t params_count); 1798 void devl_params_unregister(struct devlink *devlink, 1799 const struct devlink_param *params, 1800 size_t params_count); 1801 void devlink_params_unregister(struct devlink *devlink, 1802 const struct devlink_param *params, 1803 size_t params_count); 1804 int devl_param_driverinit_value_get(struct devlink *devlink, u32 param_id, 1805 union devlink_param_value *val); 1806 void devl_param_driverinit_value_set(struct devlink *devlink, u32 param_id, 1807 union devlink_param_value init_val); 1808 void devl_param_value_changed(struct devlink *devlink, u32 param_id); 1809 struct devlink_region *devl_region_create(struct devlink *devlink, 1810 const struct devlink_region_ops *ops, 1811 u32 region_max_snapshots, 1812 u64 region_size); 1813 struct devlink_region * 1814 devlink_region_create(struct devlink *devlink, 1815 const struct devlink_region_ops *ops, 1816 u32 region_max_snapshots, u64 region_size); 1817 struct devlink_region * 1818 devlink_port_region_create(struct devlink_port *port, 1819 const struct devlink_port_region_ops *ops, 1820 u32 region_max_snapshots, u64 region_size); 1821 void devl_region_destroy(struct devlink_region *region); 1822 void devlink_region_destroy(struct devlink_region *region); 1823 int devlink_region_snapshot_id_get(struct devlink *devlink, u32 *id); 1824 void devlink_region_snapshot_id_put(struct devlink *devlink, u32 id); 1825 int devlink_region_snapshot_create(struct devlink_region *region, 1826 u8 *data, u32 snapshot_id); 1827 int devlink_info_serial_number_put(struct devlink_info_req *req, 1828 const char *sn); 1829 int devlink_info_board_serial_number_put(struct devlink_info_req *req, 1830 const char *bsn); 1831 1832 enum devlink_info_version_type { 1833 DEVLINK_INFO_VERSION_TYPE_NONE, 1834 DEVLINK_INFO_VERSION_TYPE_COMPONENT, /* May be used as flash update 1835 * component by name. 1836 */ 1837 }; 1838 1839 int devlink_info_version_fixed_put(struct devlink_info_req *req, 1840 const char *version_name, 1841 const char *version_value); 1842 int devlink_info_version_stored_put(struct devlink_info_req *req, 1843 const char *version_name, 1844 const char *version_value); 1845 int devlink_info_version_stored_put_ext(struct devlink_info_req *req, 1846 const char *version_name, 1847 const char *version_value, 1848 enum devlink_info_version_type version_type); 1849 int devlink_info_version_running_put(struct devlink_info_req *req, 1850 const char *version_name, 1851 const char *version_value); 1852 int devlink_info_version_running_put_ext(struct devlink_info_req *req, 1853 const char *version_name, 1854 const char *version_value, 1855 enum devlink_info_version_type version_type); 1856 1857 void devlink_fmsg_obj_nest_start(struct devlink_fmsg *fmsg); 1858 void devlink_fmsg_obj_nest_end(struct devlink_fmsg *fmsg); 1859 1860 void devlink_fmsg_pair_nest_start(struct devlink_fmsg *fmsg, const char *name); 1861 void devlink_fmsg_pair_nest_end(struct devlink_fmsg *fmsg); 1862 1863 void devlink_fmsg_arr_pair_nest_start(struct devlink_fmsg *fmsg, 1864 const char *name); 1865 void devlink_fmsg_arr_pair_nest_end(struct devlink_fmsg *fmsg); 1866 void devlink_fmsg_binary_pair_nest_start(struct devlink_fmsg *fmsg, 1867 const char *name); 1868 void devlink_fmsg_binary_pair_nest_end(struct devlink_fmsg *fmsg); 1869 1870 void devlink_fmsg_u32_put(struct devlink_fmsg *fmsg, u32 value); 1871 void devlink_fmsg_string_put(struct devlink_fmsg *fmsg, const char *value); 1872 void devlink_fmsg_binary_put(struct devlink_fmsg *fmsg, const void *value, 1873 u16 value_len); 1874 1875 void devlink_fmsg_bool_pair_put(struct devlink_fmsg *fmsg, const char *name, 1876 bool value); 1877 void devlink_fmsg_u8_pair_put(struct devlink_fmsg *fmsg, const char *name, 1878 u8 value); 1879 void devlink_fmsg_u32_pair_put(struct devlink_fmsg *fmsg, const char *name, 1880 u32 value); 1881 void devlink_fmsg_u64_pair_put(struct devlink_fmsg *fmsg, const char *name, 1882 u64 value); 1883 void devlink_fmsg_string_pair_put(struct devlink_fmsg *fmsg, const char *name, 1884 const char *value); 1885 void devlink_fmsg_binary_pair_put(struct devlink_fmsg *fmsg, const char *name, 1886 const void *value, u32 value_len); 1887 1888 struct devlink_health_reporter * 1889 devl_port_health_reporter_create(struct devlink_port *port, 1890 const struct devlink_health_reporter_ops *ops, 1891 u64 graceful_period, void *priv); 1892 1893 struct devlink_health_reporter * 1894 devlink_port_health_reporter_create(struct devlink_port *port, 1895 const struct devlink_health_reporter_ops *ops, 1896 u64 graceful_period, void *priv); 1897 1898 struct devlink_health_reporter * 1899 devl_health_reporter_create(struct devlink *devlink, 1900 const struct devlink_health_reporter_ops *ops, 1901 u64 graceful_period, void *priv); 1902 1903 struct devlink_health_reporter * 1904 devlink_health_reporter_create(struct devlink *devlink, 1905 const struct devlink_health_reporter_ops *ops, 1906 u64 graceful_period, void *priv); 1907 1908 void 1909 devl_health_reporter_destroy(struct devlink_health_reporter *reporter); 1910 1911 void 1912 devlink_health_reporter_destroy(struct devlink_health_reporter *reporter); 1913 1914 void * 1915 devlink_health_reporter_priv(struct devlink_health_reporter *reporter); 1916 int devlink_health_report(struct devlink_health_reporter *reporter, 1917 const char *msg, void *priv_ctx); 1918 void 1919 devlink_health_reporter_state_update(struct devlink_health_reporter *reporter, 1920 enum devlink_health_reporter_state state); 1921 void 1922 devlink_health_reporter_recovery_done(struct devlink_health_reporter *reporter); 1923 1924 int devl_nested_devlink_set(struct devlink *devlink, 1925 struct devlink *nested_devlink); 1926 bool devlink_is_reload_failed(const struct devlink *devlink); 1927 void devlink_remote_reload_actions_performed(struct devlink *devlink, 1928 enum devlink_reload_limit limit, 1929 u32 actions_performed); 1930 1931 void devlink_flash_update_status_notify(struct devlink *devlink, 1932 const char *status_msg, 1933 const char *component, 1934 unsigned long done, 1935 unsigned long total); 1936 void devlink_flash_update_timeout_notify(struct devlink *devlink, 1937 const char *status_msg, 1938 const char *component, 1939 unsigned long timeout); 1940 1941 int devl_traps_register(struct devlink *devlink, 1942 const struct devlink_trap *traps, 1943 size_t traps_count, void *priv); 1944 int devlink_traps_register(struct devlink *devlink, 1945 const struct devlink_trap *traps, 1946 size_t traps_count, void *priv); 1947 void devl_traps_unregister(struct devlink *devlink, 1948 const struct devlink_trap *traps, 1949 size_t traps_count); 1950 void devlink_traps_unregister(struct devlink *devlink, 1951 const struct devlink_trap *traps, 1952 size_t traps_count); 1953 void devlink_trap_report(struct devlink *devlink, struct sk_buff *skb, 1954 void *trap_ctx, struct devlink_port *in_devlink_port, 1955 const struct flow_action_cookie *fa_cookie); 1956 void *devlink_trap_ctx_priv(void *trap_ctx); 1957 int devl_trap_groups_register(struct devlink *devlink, 1958 const struct devlink_trap_group *groups, 1959 size_t groups_count); 1960 int devlink_trap_groups_register(struct devlink *devlink, 1961 const struct devlink_trap_group *groups, 1962 size_t groups_count); 1963 void devl_trap_groups_unregister(struct devlink *devlink, 1964 const struct devlink_trap_group *groups, 1965 size_t groups_count); 1966 void devlink_trap_groups_unregister(struct devlink *devlink, 1967 const struct devlink_trap_group *groups, 1968 size_t groups_count); 1969 int 1970 devl_trap_policers_register(struct devlink *devlink, 1971 const struct devlink_trap_policer *policers, 1972 size_t policers_count); 1973 void 1974 devl_trap_policers_unregister(struct devlink *devlink, 1975 const struct devlink_trap_policer *policers, 1976 size_t policers_count); 1977 1978 #if IS_ENABLED(CONFIG_NET_DEVLINK) 1979 1980 struct devlink *__must_check devlink_try_get(struct devlink *devlink); 1981 void devlink_put(struct devlink *devlink); 1982 1983 void devlink_compat_running_version(struct devlink *devlink, 1984 char *buf, size_t len); 1985 int devlink_compat_flash_update(struct devlink *devlink, const char *file_name); 1986 int devlink_compat_phys_port_name_get(struct net_device *dev, 1987 char *name, size_t len); 1988 int devlink_compat_switch_id_get(struct net_device *dev, 1989 struct netdev_phys_item_id *ppid); 1990 1991 int devlink_nl_port_handle_fill(struct sk_buff *msg, struct devlink_port *devlink_port); 1992 size_t devlink_nl_port_handle_size(struct devlink_port *devlink_port); 1993 1994 #else 1995 1996 static inline struct devlink *devlink_try_get(struct devlink *devlink) 1997 { 1998 return NULL; 1999 } 2000 2001 static inline void devlink_put(struct devlink *devlink) 2002 { 2003 } 2004 2005 static inline void 2006 devlink_compat_running_version(struct devlink *devlink, char *buf, size_t len) 2007 { 2008 } 2009 2010 static inline int 2011 devlink_compat_flash_update(struct devlink *devlink, const char *file_name) 2012 { 2013 return -EOPNOTSUPP; 2014 } 2015 2016 static inline int 2017 devlink_compat_phys_port_name_get(struct net_device *dev, 2018 char *name, size_t len) 2019 { 2020 return -EOPNOTSUPP; 2021 } 2022 2023 static inline int 2024 devlink_compat_switch_id_get(struct net_device *dev, 2025 struct netdev_phys_item_id *ppid) 2026 { 2027 return -EOPNOTSUPP; 2028 } 2029 2030 static inline int 2031 devlink_nl_port_handle_fill(struct sk_buff *msg, struct devlink_port *devlink_port) 2032 { 2033 return 0; 2034 } 2035 2036 static inline size_t devlink_nl_port_handle_size(struct devlink_port *devlink_port) 2037 { 2038 return 0; 2039 } 2040 2041 #endif 2042 2043 #endif /* _NET_DEVLINK_H_ */ 2044