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 function number for the devlink port instance 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 function number for the devlink port instance 51 * @vf: associated PCI VF number of a PF for the devlink port instance; 52 * VF number starts from 0 for the first PCI virtual function 53 * @external: when set, indicates if a port is for an external controller 54 */ 55 struct devlink_port_pci_vf_attrs { 56 u32 controller; 57 u16 pf; 58 u16 vf; 59 u8 external:1; 60 }; 61 62 /** 63 * struct devlink_port_pci_sf_attrs - devlink port's PCI SF attributes 64 * @controller: Associated controller number 65 * @sf: associated SF number of a PF for the devlink port instance 66 * @pf: associated PCI function number for the devlink port instance 67 * @external: when set, indicates if a port is for an external controller 68 */ 69 struct devlink_port_pci_sf_attrs { 70 u32 controller; 71 u32 sf; 72 u16 pf; 73 u8 external:1; 74 }; 75 76 /** 77 * struct devlink_port_attrs - devlink port object 78 * @flavour: flavour of the port 79 * @split: indicates if this is split port 80 * @splittable: indicates if the port can be split. 81 * @no_phys_port_name: skip automatic phys_port_name generation; for 82 * compatibility only, newly added driver/port instance 83 * should never set this. 84 * @lanes: maximum number of lanes the port supports. 0 value is not passed to netlink. 85 * @switch_id: if the port is part of switch, this is buffer with ID, otherwise this is NULL 86 * @phys: physical port attributes 87 * @pci_pf: PCI PF port attributes 88 * @pci_vf: PCI VF port attributes 89 * @pci_sf: PCI SF port attributes 90 */ 91 struct devlink_port_attrs { 92 u8 split:1, 93 splittable:1, 94 no_phys_port_name:1; 95 u32 lanes; 96 enum devlink_port_flavour flavour; 97 struct netdev_phys_item_id switch_id; 98 union { 99 struct devlink_port_phys_attrs phys; 100 struct devlink_port_pci_pf_attrs pci_pf; 101 struct devlink_port_pci_vf_attrs pci_vf; 102 struct devlink_port_pci_sf_attrs pci_sf; 103 }; 104 }; 105 106 struct devlink_rate { 107 struct list_head list; 108 enum devlink_rate_type type; 109 struct devlink *devlink; 110 void *priv; 111 u64 tx_share; 112 u64 tx_max; 113 114 struct devlink_rate *parent; 115 union { 116 struct devlink_port *devlink_port; 117 struct { 118 char *name; 119 refcount_t refcnt; 120 }; 121 }; 122 123 u32 tx_priority; 124 u32 tx_weight; 125 126 u32 tc_bw[DEVLINK_RATE_TCS_MAX]; 127 }; 128 129 struct devlink_port { 130 struct list_head list; 131 struct list_head region_list; 132 struct list_head resource_list; 133 struct devlink *devlink; 134 const struct devlink_port_ops *ops; 135 unsigned int index; 136 spinlock_t type_lock; /* Protects type and type_eth/ib 137 * structures consistency. 138 */ 139 enum devlink_port_type type; 140 enum devlink_port_type desired_type; 141 union { 142 struct { 143 struct net_device *netdev; 144 int ifindex; 145 char ifname[IFNAMSIZ]; 146 } type_eth; 147 struct { 148 struct ib_device *ibdev; 149 } type_ib; 150 }; 151 struct devlink_port_attrs attrs; 152 u8 attrs_set:1, 153 switch_port:1, 154 registered:1, 155 initialized:1; 156 struct delayed_work type_warn_dw; 157 struct list_head reporter_list; 158 159 struct devlink_rate *devlink_rate; 160 struct devlink_linecard *linecard; 161 u32 rel_index; 162 }; 163 164 struct devlink_port_new_attrs { 165 enum devlink_port_flavour flavour; 166 unsigned int port_index; 167 u32 controller; 168 u32 sfnum; 169 u16 pfnum; 170 u8 port_index_valid:1, 171 controller_valid:1, 172 sfnum_valid:1; 173 }; 174 175 /** 176 * struct devlink_linecard_ops - Linecard operations 177 * @provision: callback to provision the linecard slot with certain 178 * type of linecard. As a result of this operation, 179 * driver is expected to eventually (could be after 180 * the function call returns) call one of: 181 * devlink_linecard_provision_set() 182 * devlink_linecard_provision_fail() 183 * @unprovision: callback to unprovision the linecard slot. As a result 184 * of this operation, driver is expected to eventually 185 * (could be after the function call returns) call 186 * devlink_linecard_provision_clear() 187 * devlink_linecard_provision_fail() 188 * @same_provision: callback to ask the driver if linecard is already 189 * provisioned in the same way user asks this linecard to be 190 * provisioned. 191 * @types_count: callback to get number of supported types 192 * @types_get: callback to get next type in list 193 */ 194 struct devlink_linecard_ops { 195 int (*provision)(struct devlink_linecard *linecard, void *priv, 196 const char *type, const void *type_priv, 197 struct netlink_ext_ack *extack); 198 int (*unprovision)(struct devlink_linecard *linecard, void *priv, 199 struct netlink_ext_ack *extack); 200 bool (*same_provision)(struct devlink_linecard *linecard, void *priv, 201 const char *type, const void *type_priv); 202 unsigned int (*types_count)(struct devlink_linecard *linecard, 203 void *priv); 204 void (*types_get)(struct devlink_linecard *linecard, 205 void *priv, unsigned int index, const char **type, 206 const void **type_priv); 207 }; 208 209 struct devlink_sb_pool_info { 210 enum devlink_sb_pool_type pool_type; 211 u32 size; 212 enum devlink_sb_threshold_type threshold_type; 213 u32 cell_size; 214 }; 215 216 /** 217 * struct devlink_dpipe_field - dpipe field object 218 * @name: field name 219 * @id: index inside the headers field array 220 * @bitwidth: bitwidth 221 * @mapping_type: mapping type 222 */ 223 struct devlink_dpipe_field { 224 const char *name; 225 unsigned int id; 226 unsigned int bitwidth; 227 enum devlink_dpipe_field_mapping_type mapping_type; 228 }; 229 230 /** 231 * struct devlink_dpipe_header - dpipe header object 232 * @name: header name 233 * @id: index, global/local determined by global bit 234 * @fields: fields 235 * @fields_count: number of fields 236 * @global: indicates if header is shared like most protocol header 237 * or driver specific 238 */ 239 struct devlink_dpipe_header { 240 const char *name; 241 unsigned int id; 242 struct devlink_dpipe_field *fields; 243 unsigned int fields_count; 244 bool global; 245 }; 246 247 /** 248 * struct devlink_dpipe_match - represents match operation 249 * @type: type of match 250 * @header_index: header index (packets can have several headers of same 251 * type like in case of tunnels) 252 * @header: header 253 * @field_id: field index 254 */ 255 struct devlink_dpipe_match { 256 enum devlink_dpipe_match_type type; 257 unsigned int header_index; 258 struct devlink_dpipe_header *header; 259 unsigned int field_id; 260 }; 261 262 /** 263 * struct devlink_dpipe_action - represents action operation 264 * @type: type of action 265 * @header_index: header index (packets can have several headers of same 266 * type like in case of tunnels) 267 * @header: header 268 * @field_id: field index 269 */ 270 struct devlink_dpipe_action { 271 enum devlink_dpipe_action_type type; 272 unsigned int header_index; 273 struct devlink_dpipe_header *header; 274 unsigned int field_id; 275 }; 276 277 /** 278 * struct devlink_dpipe_value - represents value of match/action 279 * @action: action 280 * @match: match 281 * @mapping_value: in case the field has some mapping this value 282 * specified the mapping value 283 * @mapping_valid: specify if mapping value is valid 284 * @value_size: value size 285 * @value: value 286 * @mask: bit mask 287 */ 288 struct devlink_dpipe_value { 289 union { 290 struct devlink_dpipe_action *action; 291 struct devlink_dpipe_match *match; 292 }; 293 unsigned int mapping_value; 294 bool mapping_valid; 295 unsigned int value_size; 296 void *value; 297 void *mask; 298 }; 299 300 /** 301 * struct devlink_dpipe_entry - table entry object 302 * @index: index of the entry in the table 303 * @match_values: match values 304 * @match_values_count: count of matches tuples 305 * @action_values: actions values 306 * @action_values_count: count of actions values 307 * @counter: value of counter 308 * @counter_valid: Specify if value is valid from hardware 309 */ 310 struct devlink_dpipe_entry { 311 u64 index; 312 struct devlink_dpipe_value *match_values; 313 unsigned int match_values_count; 314 struct devlink_dpipe_value *action_values; 315 unsigned int action_values_count; 316 u64 counter; 317 bool counter_valid; 318 }; 319 320 /** 321 * struct devlink_dpipe_dump_ctx - context provided to driver in order 322 * to dump 323 * @info: info 324 * @cmd: devlink command 325 * @skb: skb 326 * @nest: top attribute 327 * @hdr: hdr 328 */ 329 struct devlink_dpipe_dump_ctx { 330 struct genl_info *info; 331 enum devlink_command cmd; 332 struct sk_buff *skb; 333 struct nlattr *nest; 334 void *hdr; 335 }; 336 337 struct devlink_dpipe_table_ops; 338 339 /** 340 * struct devlink_dpipe_table - table object 341 * @priv: private 342 * @name: table name 343 * @counters_enabled: indicates if counters are active 344 * @counter_control_extern: indicates if counter control is in dpipe or 345 * external tool 346 * @resource_valid: Indicate that the resource id is valid 347 * @resource_id: relative resource this table is related to 348 * @resource_units: number of resource's unit consumed per table's entry 349 * @table_ops: table operations 350 * @rcu: rcu 351 */ 352 struct devlink_dpipe_table { 353 void *priv; 354 /* private: */ 355 struct list_head list; 356 /* public: */ 357 const char *name; 358 bool counters_enabled; 359 bool counter_control_extern; 360 bool resource_valid; 361 u64 resource_id; 362 u64 resource_units; 363 const struct devlink_dpipe_table_ops *table_ops; 364 struct rcu_head rcu; 365 }; 366 367 /** 368 * struct devlink_dpipe_table_ops - dpipe_table ops 369 * @actions_dump: dumps all tables actions 370 * @matches_dump: dumps all tables matches 371 * @entries_dump: dumps all active entries in the table 372 * @counters_set_update: when changing the counter status hardware sync 373 * maybe needed to allocate/free counter related 374 * resources 375 * @size_get: get size 376 */ 377 struct devlink_dpipe_table_ops { 378 int (*actions_dump)(void *priv, struct sk_buff *skb); 379 int (*matches_dump)(void *priv, struct sk_buff *skb); 380 int (*entries_dump)(void *priv, bool counters_enabled, 381 struct devlink_dpipe_dump_ctx *dump_ctx); 382 int (*counters_set_update)(void *priv, bool enable); 383 u64 (*size_get)(void *priv); 384 }; 385 386 /** 387 * struct devlink_dpipe_headers - dpipe headers 388 * @headers: header array can be shared (global bit) or driver specific 389 * @headers_count: count of headers 390 */ 391 struct devlink_dpipe_headers { 392 struct devlink_dpipe_header **headers; 393 unsigned int headers_count; 394 }; 395 396 /** 397 * struct devlink_resource_size_params - resource's size parameters 398 * @size_min: minimum size which can be set 399 * @size_max: maximum size which can be set 400 * @size_granularity: size granularity 401 * @unit: resource's basic unit 402 */ 403 struct devlink_resource_size_params { 404 u64 size_min; 405 u64 size_max; 406 u64 size_granularity; 407 enum devlink_resource_unit unit; 408 }; 409 410 static inline void 411 devlink_resource_size_params_init(struct devlink_resource_size_params *size_params, 412 u64 size_min, u64 size_max, 413 u64 size_granularity, 414 enum devlink_resource_unit unit) 415 { 416 size_params->size_min = size_min; 417 size_params->size_max = size_max; 418 size_params->size_granularity = size_granularity; 419 size_params->unit = unit; 420 } 421 422 typedef u64 devlink_resource_occ_get_t(void *priv); 423 424 #define DEVLINK_RESOURCE_ID_PARENT_TOP 0 425 426 #define DEVLINK_RESOURCE_GENERIC_NAME_PORTS "physical_ports" 427 428 #define __DEVLINK_PARAM_MAX_STRING_VALUE 32 429 enum devlink_param_type { 430 DEVLINK_PARAM_TYPE_U8 = DEVLINK_VAR_ATTR_TYPE_U8, 431 DEVLINK_PARAM_TYPE_U16 = DEVLINK_VAR_ATTR_TYPE_U16, 432 DEVLINK_PARAM_TYPE_U32 = DEVLINK_VAR_ATTR_TYPE_U32, 433 DEVLINK_PARAM_TYPE_U64 = DEVLINK_VAR_ATTR_TYPE_U64, 434 DEVLINK_PARAM_TYPE_STRING = DEVLINK_VAR_ATTR_TYPE_STRING, 435 DEVLINK_PARAM_TYPE_BOOL = DEVLINK_VAR_ATTR_TYPE_FLAG, 436 }; 437 438 union devlink_param_value { 439 u8 vu8; 440 u16 vu16; 441 u32 vu32; 442 u64 vu64; 443 char vstr[__DEVLINK_PARAM_MAX_STRING_VALUE]; 444 bool vbool; 445 }; 446 447 struct devlink_param_gset_ctx { 448 union devlink_param_value val; 449 enum devlink_param_cmode cmode; 450 }; 451 452 /** 453 * struct devlink_flash_notify - devlink dev flash notify data 454 * @status_msg: current status string 455 * @component: firmware component being updated 456 * @done: amount of work completed of total amount 457 * @total: amount of work expected to be done 458 * @timeout: expected max timeout in seconds 459 * 460 * These are values to be given to userland to be displayed in order 461 * to show current activity in a firmware update process. 462 */ 463 struct devlink_flash_notify { 464 const char *status_msg; 465 const char *component; 466 unsigned long done; 467 unsigned long total; 468 unsigned long timeout; 469 }; 470 471 /** 472 * struct devlink_param - devlink configuration parameter data 473 * @id: devlink parameter id number 474 * @name: name of the parameter 475 * @generic: indicates if the parameter is generic or driver specific 476 * @type: parameter type 477 * @supported_cmodes: bitmap of supported configuration modes 478 * @get: get parameter value, used for runtime and permanent 479 * configuration modes 480 * @set: set parameter value, used for runtime and permanent 481 * configuration modes 482 * @validate: validate input value is applicable (within value range, etc.) 483 * @get_default: get parameter default value, used for runtime and permanent 484 * configuration modes 485 * @reset_default: reset parameter to default value, used for runtime and permanent 486 * configuration modes 487 * 488 * This struct should be used by the driver to fill the data for 489 * a parameter it registers. 490 */ 491 struct devlink_param { 492 u32 id; 493 const char *name; 494 bool generic; 495 enum devlink_param_type type; 496 unsigned long supported_cmodes; 497 int (*get)(struct devlink *devlink, u32 id, 498 struct devlink_param_gset_ctx *ctx, 499 struct netlink_ext_ack *extack); 500 int (*set)(struct devlink *devlink, u32 id, 501 struct devlink_param_gset_ctx *ctx, 502 struct netlink_ext_ack *extack); 503 int (*validate)(struct devlink *devlink, u32 id, 504 union devlink_param_value val, 505 struct netlink_ext_ack *extack); 506 int (*get_default)(struct devlink *devlink, u32 id, 507 struct devlink_param_gset_ctx *ctx, 508 struct netlink_ext_ack *extack); 509 int (*reset_default)(struct devlink *devlink, u32 id, 510 enum devlink_param_cmode cmode, 511 struct netlink_ext_ack *extack); 512 }; 513 514 struct devlink_param_item { 515 struct list_head list; 516 const struct devlink_param *param; 517 union devlink_param_value driverinit_value; 518 bool driverinit_value_valid; 519 union devlink_param_value driverinit_value_new; /* Not reachable 520 * until reload. 521 */ 522 bool driverinit_value_new_valid; 523 union devlink_param_value driverinit_default; 524 }; 525 526 enum devlink_param_generic_id { 527 DEVLINK_PARAM_GENERIC_ID_INT_ERR_RESET, 528 DEVLINK_PARAM_GENERIC_ID_MAX_MACS, 529 DEVLINK_PARAM_GENERIC_ID_ENABLE_SRIOV, 530 DEVLINK_PARAM_GENERIC_ID_REGION_SNAPSHOT, 531 DEVLINK_PARAM_GENERIC_ID_IGNORE_ARI, 532 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX, 533 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN, 534 DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY, 535 DEVLINK_PARAM_GENERIC_ID_RESET_DEV_ON_DRV_PROBE, 536 DEVLINK_PARAM_GENERIC_ID_ENABLE_ROCE, 537 DEVLINK_PARAM_GENERIC_ID_ENABLE_REMOTE_DEV_RESET, 538 DEVLINK_PARAM_GENERIC_ID_ENABLE_ETH, 539 DEVLINK_PARAM_GENERIC_ID_ENABLE_RDMA, 540 DEVLINK_PARAM_GENERIC_ID_ENABLE_VNET, 541 DEVLINK_PARAM_GENERIC_ID_ENABLE_IWARP, 542 DEVLINK_PARAM_GENERIC_ID_IO_EQ_SIZE, 543 DEVLINK_PARAM_GENERIC_ID_EVENT_EQ_SIZE, 544 DEVLINK_PARAM_GENERIC_ID_ENABLE_PHC, 545 DEVLINK_PARAM_GENERIC_ID_CLOCK_ID, 546 DEVLINK_PARAM_GENERIC_ID_TOTAL_VFS, 547 DEVLINK_PARAM_GENERIC_ID_NUM_DOORBELLS, 548 DEVLINK_PARAM_GENERIC_ID_MAX_MAC_PER_VF, 549 550 /* add new param generic ids above here*/ 551 __DEVLINK_PARAM_GENERIC_ID_MAX, 552 DEVLINK_PARAM_GENERIC_ID_MAX = __DEVLINK_PARAM_GENERIC_ID_MAX - 1, 553 }; 554 555 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_NAME "internal_error_reset" 556 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL 557 558 #define DEVLINK_PARAM_GENERIC_MAX_MACS_NAME "max_macs" 559 #define DEVLINK_PARAM_GENERIC_MAX_MACS_TYPE DEVLINK_PARAM_TYPE_U32 560 561 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_NAME "enable_sriov" 562 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_TYPE DEVLINK_PARAM_TYPE_BOOL 563 564 #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_NAME "region_snapshot_enable" 565 #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_TYPE DEVLINK_PARAM_TYPE_BOOL 566 567 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_NAME "ignore_ari" 568 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_TYPE DEVLINK_PARAM_TYPE_BOOL 569 570 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_NAME "msix_vec_per_pf_max" 571 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_TYPE DEVLINK_PARAM_TYPE_U32 572 573 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_NAME "msix_vec_per_pf_min" 574 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_TYPE DEVLINK_PARAM_TYPE_U32 575 576 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_NAME "fw_load_policy" 577 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_TYPE DEVLINK_PARAM_TYPE_U8 578 579 #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_NAME \ 580 "reset_dev_on_drv_probe" 581 #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_TYPE DEVLINK_PARAM_TYPE_U8 582 583 #define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_NAME "enable_roce" 584 #define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_TYPE DEVLINK_PARAM_TYPE_BOOL 585 586 #define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_NAME "enable_remote_dev_reset" 587 #define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL 588 589 #define DEVLINK_PARAM_GENERIC_ENABLE_ETH_NAME "enable_eth" 590 #define DEVLINK_PARAM_GENERIC_ENABLE_ETH_TYPE DEVLINK_PARAM_TYPE_BOOL 591 592 #define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_NAME "enable_rdma" 593 #define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_TYPE DEVLINK_PARAM_TYPE_BOOL 594 595 #define DEVLINK_PARAM_GENERIC_ENABLE_VNET_NAME "enable_vnet" 596 #define DEVLINK_PARAM_GENERIC_ENABLE_VNET_TYPE DEVLINK_PARAM_TYPE_BOOL 597 598 #define DEVLINK_PARAM_GENERIC_ENABLE_IWARP_NAME "enable_iwarp" 599 #define DEVLINK_PARAM_GENERIC_ENABLE_IWARP_TYPE DEVLINK_PARAM_TYPE_BOOL 600 601 #define DEVLINK_PARAM_GENERIC_IO_EQ_SIZE_NAME "io_eq_size" 602 #define DEVLINK_PARAM_GENERIC_IO_EQ_SIZE_TYPE DEVLINK_PARAM_TYPE_U32 603 604 #define DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_NAME "event_eq_size" 605 #define DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_TYPE DEVLINK_PARAM_TYPE_U32 606 607 #define DEVLINK_PARAM_GENERIC_ENABLE_PHC_NAME "enable_phc" 608 #define DEVLINK_PARAM_GENERIC_ENABLE_PHC_TYPE DEVLINK_PARAM_TYPE_BOOL 609 610 #define DEVLINK_PARAM_GENERIC_CLOCK_ID_NAME "clock_id" 611 #define DEVLINK_PARAM_GENERIC_CLOCK_ID_TYPE DEVLINK_PARAM_TYPE_U64 612 613 #define DEVLINK_PARAM_GENERIC_TOTAL_VFS_NAME "total_vfs" 614 #define DEVLINK_PARAM_GENERIC_TOTAL_VFS_TYPE DEVLINK_PARAM_TYPE_U32 615 616 #define DEVLINK_PARAM_GENERIC_NUM_DOORBELLS_NAME "num_doorbells" 617 #define DEVLINK_PARAM_GENERIC_NUM_DOORBELLS_TYPE DEVLINK_PARAM_TYPE_U32 618 619 #define DEVLINK_PARAM_GENERIC_MAX_MAC_PER_VF_NAME "max_mac_per_vf" 620 #define DEVLINK_PARAM_GENERIC_MAX_MAC_PER_VF_TYPE DEVLINK_PARAM_TYPE_U32 621 622 #define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate) \ 623 { \ 624 .id = DEVLINK_PARAM_GENERIC_ID_##_id, \ 625 .name = DEVLINK_PARAM_GENERIC_##_id##_NAME, \ 626 .type = DEVLINK_PARAM_GENERIC_##_id##_TYPE, \ 627 .generic = true, \ 628 .supported_cmodes = _cmodes, \ 629 .get = _get, \ 630 .set = _set, \ 631 .validate = _validate, \ 632 } 633 634 #define DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, _get, _set, _validate) \ 635 { \ 636 .id = _id, \ 637 .name = _name, \ 638 .type = _type, \ 639 .supported_cmodes = _cmodes, \ 640 .get = _get, \ 641 .set = _set, \ 642 .validate = _validate, \ 643 } 644 645 #define DEVLINK_PARAM_GENERIC_WITH_DEFAULTS(_id, _cmodes, _get, _set, \ 646 _validate, _get_default, \ 647 _reset_default) \ 648 { \ 649 .id = DEVLINK_PARAM_GENERIC_ID_##_id, \ 650 .name = DEVLINK_PARAM_GENERIC_##_id##_NAME, \ 651 .type = DEVLINK_PARAM_GENERIC_##_id##_TYPE, \ 652 .generic = true, \ 653 .supported_cmodes = _cmodes, \ 654 .get = _get, \ 655 .set = _set, \ 656 .validate = _validate, \ 657 .get_default = _get_default, \ 658 .reset_default = _reset_default, \ 659 } 660 661 #define DEVLINK_PARAM_DRIVER_WITH_DEFAULTS(_id, _name, _type, _cmodes, \ 662 _get, _set, _validate, \ 663 _get_default, _reset_default) \ 664 { \ 665 .id = _id, \ 666 .name = _name, \ 667 .type = _type, \ 668 .supported_cmodes = _cmodes, \ 669 .get = _get, \ 670 .set = _set, \ 671 .validate = _validate, \ 672 .get_default = _get_default, \ 673 .reset_default = _reset_default, \ 674 } 675 676 /* Identifier of board design */ 677 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_ID "board.id" 678 /* Revision of board design */ 679 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_REV "board.rev" 680 /* Maker of the board */ 681 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_MANUFACTURE "board.manufacture" 682 /* Part number of the board and its components */ 683 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_PART_NUMBER "board.part_number" 684 685 /* Part number, identifier of asic design */ 686 #define DEVLINK_INFO_VERSION_GENERIC_ASIC_ID "asic.id" 687 /* Revision of asic design */ 688 #define DEVLINK_INFO_VERSION_GENERIC_ASIC_REV "asic.rev" 689 690 /* Overall FW version */ 691 #define DEVLINK_INFO_VERSION_GENERIC_FW "fw" 692 /* Control processor FW version */ 693 #define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT "fw.mgmt" 694 /* FW interface specification version */ 695 #define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT_API "fw.mgmt.api" 696 /* Data path microcode controlling high-speed packet processing */ 697 #define DEVLINK_INFO_VERSION_GENERIC_FW_APP "fw.app" 698 /* UNDI software version */ 699 #define DEVLINK_INFO_VERSION_GENERIC_FW_UNDI "fw.undi" 700 /* NCSI support/handler version */ 701 #define DEVLINK_INFO_VERSION_GENERIC_FW_NCSI "fw.ncsi" 702 /* FW parameter set id */ 703 #define DEVLINK_INFO_VERSION_GENERIC_FW_PSID "fw.psid" 704 /* RoCE FW version */ 705 #define DEVLINK_INFO_VERSION_GENERIC_FW_ROCE "fw.roce" 706 /* Firmware bundle identifier */ 707 #define DEVLINK_INFO_VERSION_GENERIC_FW_BUNDLE_ID "fw.bundle_id" 708 /* Bootloader */ 709 #define DEVLINK_INFO_VERSION_GENERIC_FW_BOOTLOADER "fw.bootloader" 710 711 /** 712 * struct devlink_flash_update_params - Flash Update parameters 713 * @fw: pointer to the firmware data to update from 714 * @component: the flash component to update 715 * @overwrite_mask: which types of flash update are supported (may be %0) 716 * 717 * With the exception of fw, drivers must opt-in to parameters by 718 * setting the appropriate bit in the supported_flash_update_params field in 719 * their devlink_ops structure. 720 */ 721 struct devlink_flash_update_params { 722 const struct firmware *fw; 723 const char *component; 724 u32 overwrite_mask; 725 }; 726 727 #define DEVLINK_SUPPORT_FLASH_UPDATE_OVERWRITE_MASK BIT(0) 728 729 struct devlink_region; 730 struct devlink_info_req; 731 732 /** 733 * struct devlink_region_ops - Region operations 734 * @name: region name 735 * @destructor: callback used to free snapshot memory when deleting 736 * @snapshot: callback to request an immediate snapshot. On success, 737 * the data variable must be updated to point to the snapshot data. 738 * The function will be called while the devlink instance lock is 739 * held. 740 * @read: callback to directly read a portion of the region. On success, 741 * the data pointer will be updated with the contents of the 742 * requested portion of the region. The function will be called 743 * while the devlink instance lock is held. 744 * @priv: Pointer to driver private data for the region operation 745 */ 746 struct devlink_region_ops { 747 const char *name; 748 void (*destructor)(const void *data); 749 int (*snapshot)(struct devlink *devlink, 750 const struct devlink_region_ops *ops, 751 struct netlink_ext_ack *extack, 752 u8 **data); 753 int (*read)(struct devlink *devlink, 754 const struct devlink_region_ops *ops, 755 struct netlink_ext_ack *extack, 756 u64 offset, u32 size, u8 *data); 757 void *priv; 758 }; 759 760 /** 761 * struct devlink_port_region_ops - Region operations for a port 762 * @name: region name 763 * @destructor: callback used to free snapshot memory when deleting 764 * @snapshot: callback to request an immediate snapshot. On success, 765 * the data variable must be updated to point to the snapshot data. 766 * The function will be called while the devlink instance lock is 767 * held. 768 * @read: callback to directly read a portion of the region. On success, 769 * the data pointer will be updated with the contents of the 770 * requested portion of the region. The function will be called 771 * while the devlink instance lock is held. 772 * @priv: Pointer to driver private data for the region operation 773 */ 774 struct devlink_port_region_ops { 775 const char *name; 776 void (*destructor)(const void *data); 777 int (*snapshot)(struct devlink_port *port, 778 const struct devlink_port_region_ops *ops, 779 struct netlink_ext_ack *extack, 780 u8 **data); 781 int (*read)(struct devlink_port *port, 782 const struct devlink_port_region_ops *ops, 783 struct netlink_ext_ack *extack, 784 u64 offset, u32 size, u8 *data); 785 void *priv; 786 }; 787 788 struct devlink_fmsg; 789 struct devlink_health_reporter; 790 791 enum devlink_health_reporter_state { 792 DEVLINK_HEALTH_REPORTER_STATE_HEALTHY, 793 DEVLINK_HEALTH_REPORTER_STATE_ERROR, 794 }; 795 796 /** 797 * struct devlink_health_reporter_ops - Reporter operations 798 * @name: reporter name 799 * @recover: callback to recover from reported error 800 * if priv_ctx is NULL, run a full recover 801 * @dump: callback to dump an object 802 * if priv_ctx is NULL, run a full dump 803 * @diagnose: callback to diagnose the current status 804 * @test: callback to trigger a test event 805 * @default_graceful_period: default min time (in msec) 806 * between recovery attempts 807 * @default_burst_period: default time (in msec) for 808 * error recoveries before starting the grace period 809 */ 810 811 struct devlink_health_reporter_ops { 812 char *name; 813 int (*recover)(struct devlink_health_reporter *reporter, 814 void *priv_ctx, struct netlink_ext_ack *extack); 815 int (*dump)(struct devlink_health_reporter *reporter, 816 struct devlink_fmsg *fmsg, void *priv_ctx, 817 struct netlink_ext_ack *extack); 818 int (*diagnose)(struct devlink_health_reporter *reporter, 819 struct devlink_fmsg *fmsg, 820 struct netlink_ext_ack *extack); 821 int (*test)(struct devlink_health_reporter *reporter, 822 struct netlink_ext_ack *extack); 823 u64 default_graceful_period; 824 u64 default_burst_period; 825 }; 826 827 /** 828 * struct devlink_trap_metadata - Packet trap metadata. 829 * @trap_name: Trap name. 830 * @trap_group_name: Trap group name. 831 * @input_dev: Input netdevice. 832 * @dev_tracker: refcount tracker for @input_dev. 833 * @fa_cookie: Flow action user cookie. 834 * @trap_type: Trap type. 835 */ 836 struct devlink_trap_metadata { 837 const char *trap_name; 838 const char *trap_group_name; 839 840 struct net_device *input_dev; 841 netdevice_tracker dev_tracker; 842 843 const struct flow_action_cookie *fa_cookie; 844 enum devlink_trap_type trap_type; 845 }; 846 847 /** 848 * struct devlink_trap_policer - Immutable packet trap policer attributes. 849 * @id: Policer identifier. 850 * @init_rate: Initial rate in packets / sec. 851 * @init_burst: Initial burst size in packets. 852 * @max_rate: Maximum rate. 853 * @min_rate: Minimum rate. 854 * @max_burst: Maximum burst size. 855 * @min_burst: Minimum burst size. 856 * 857 * Describes immutable attributes of packet trap policers that drivers register 858 * with devlink. 859 */ 860 struct devlink_trap_policer { 861 u32 id; 862 u64 init_rate; 863 u64 init_burst; 864 u64 max_rate; 865 u64 min_rate; 866 u64 max_burst; 867 u64 min_burst; 868 }; 869 870 /** 871 * struct devlink_trap_group - Immutable packet trap group attributes. 872 * @name: Trap group name. 873 * @id: Trap group identifier. 874 * @generic: Whether the trap group is generic or not. 875 * @init_policer_id: Initial policer identifier. 876 * 877 * Describes immutable attributes of packet trap groups that drivers register 878 * with devlink. 879 */ 880 struct devlink_trap_group { 881 const char *name; 882 u16 id; 883 bool generic; 884 u32 init_policer_id; 885 }; 886 887 #define DEVLINK_TRAP_METADATA_TYPE_F_IN_PORT BIT(0) 888 #define DEVLINK_TRAP_METADATA_TYPE_F_FA_COOKIE BIT(1) 889 890 /** 891 * struct devlink_trap - Immutable packet trap attributes. 892 * @type: Trap type. 893 * @init_action: Initial trap action. 894 * @generic: Whether the trap is generic or not. 895 * @id: Trap identifier. 896 * @name: Trap name. 897 * @init_group_id: Initial group identifier. 898 * @metadata_cap: Metadata types that can be provided by the trap. 899 * 900 * Describes immutable attributes of packet traps that drivers register with 901 * devlink. 902 */ 903 struct devlink_trap { 904 enum devlink_trap_type type; 905 enum devlink_trap_action init_action; 906 bool generic; 907 u16 id; 908 const char *name; 909 u16 init_group_id; 910 u32 metadata_cap; 911 }; 912 913 /* All traps must be documented in 914 * Documentation/networking/devlink/devlink-trap.rst 915 */ 916 enum devlink_trap_generic_id { 917 DEVLINK_TRAP_GENERIC_ID_SMAC_MC, 918 DEVLINK_TRAP_GENERIC_ID_VLAN_TAG_MISMATCH, 919 DEVLINK_TRAP_GENERIC_ID_INGRESS_VLAN_FILTER, 920 DEVLINK_TRAP_GENERIC_ID_INGRESS_STP_FILTER, 921 DEVLINK_TRAP_GENERIC_ID_EMPTY_TX_LIST, 922 DEVLINK_TRAP_GENERIC_ID_PORT_LOOPBACK_FILTER, 923 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_ROUTE, 924 DEVLINK_TRAP_GENERIC_ID_TTL_ERROR, 925 DEVLINK_TRAP_GENERIC_ID_TAIL_DROP, 926 DEVLINK_TRAP_GENERIC_ID_NON_IP_PACKET, 927 DEVLINK_TRAP_GENERIC_ID_UC_DIP_MC_DMAC, 928 DEVLINK_TRAP_GENERIC_ID_DIP_LB, 929 DEVLINK_TRAP_GENERIC_ID_SIP_MC, 930 DEVLINK_TRAP_GENERIC_ID_SIP_LB, 931 DEVLINK_TRAP_GENERIC_ID_CORRUPTED_IP_HDR, 932 DEVLINK_TRAP_GENERIC_ID_IPV4_SIP_BC, 933 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_RESERVED_SCOPE, 934 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE, 935 DEVLINK_TRAP_GENERIC_ID_MTU_ERROR, 936 DEVLINK_TRAP_GENERIC_ID_UNRESOLVED_NEIGH, 937 DEVLINK_TRAP_GENERIC_ID_RPF, 938 DEVLINK_TRAP_GENERIC_ID_REJECT_ROUTE, 939 DEVLINK_TRAP_GENERIC_ID_IPV4_LPM_UNICAST_MISS, 940 DEVLINK_TRAP_GENERIC_ID_IPV6_LPM_UNICAST_MISS, 941 DEVLINK_TRAP_GENERIC_ID_NON_ROUTABLE, 942 DEVLINK_TRAP_GENERIC_ID_DECAP_ERROR, 943 DEVLINK_TRAP_GENERIC_ID_OVERLAY_SMAC_MC, 944 DEVLINK_TRAP_GENERIC_ID_INGRESS_FLOW_ACTION_DROP, 945 DEVLINK_TRAP_GENERIC_ID_EGRESS_FLOW_ACTION_DROP, 946 DEVLINK_TRAP_GENERIC_ID_STP, 947 DEVLINK_TRAP_GENERIC_ID_LACP, 948 DEVLINK_TRAP_GENERIC_ID_LLDP, 949 DEVLINK_TRAP_GENERIC_ID_IGMP_QUERY, 950 DEVLINK_TRAP_GENERIC_ID_IGMP_V1_REPORT, 951 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_REPORT, 952 DEVLINK_TRAP_GENERIC_ID_IGMP_V3_REPORT, 953 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_LEAVE, 954 DEVLINK_TRAP_GENERIC_ID_MLD_QUERY, 955 DEVLINK_TRAP_GENERIC_ID_MLD_V1_REPORT, 956 DEVLINK_TRAP_GENERIC_ID_MLD_V2_REPORT, 957 DEVLINK_TRAP_GENERIC_ID_MLD_V1_DONE, 958 DEVLINK_TRAP_GENERIC_ID_IPV4_DHCP, 959 DEVLINK_TRAP_GENERIC_ID_IPV6_DHCP, 960 DEVLINK_TRAP_GENERIC_ID_ARP_REQUEST, 961 DEVLINK_TRAP_GENERIC_ID_ARP_RESPONSE, 962 DEVLINK_TRAP_GENERIC_ID_ARP_OVERLAY, 963 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_SOLICIT, 964 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_ADVERT, 965 DEVLINK_TRAP_GENERIC_ID_IPV4_BFD, 966 DEVLINK_TRAP_GENERIC_ID_IPV6_BFD, 967 DEVLINK_TRAP_GENERIC_ID_IPV4_OSPF, 968 DEVLINK_TRAP_GENERIC_ID_IPV6_OSPF, 969 DEVLINK_TRAP_GENERIC_ID_IPV4_BGP, 970 DEVLINK_TRAP_GENERIC_ID_IPV6_BGP, 971 DEVLINK_TRAP_GENERIC_ID_IPV4_VRRP, 972 DEVLINK_TRAP_GENERIC_ID_IPV6_VRRP, 973 DEVLINK_TRAP_GENERIC_ID_IPV4_PIM, 974 DEVLINK_TRAP_GENERIC_ID_IPV6_PIM, 975 DEVLINK_TRAP_GENERIC_ID_UC_LB, 976 DEVLINK_TRAP_GENERIC_ID_LOCAL_ROUTE, 977 DEVLINK_TRAP_GENERIC_ID_EXTERNAL_ROUTE, 978 DEVLINK_TRAP_GENERIC_ID_IPV6_UC_DIP_LINK_LOCAL_SCOPE, 979 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_NODES, 980 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_ROUTERS, 981 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_SOLICIT, 982 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ADVERT, 983 DEVLINK_TRAP_GENERIC_ID_IPV6_REDIRECT, 984 DEVLINK_TRAP_GENERIC_ID_IPV4_ROUTER_ALERT, 985 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ALERT, 986 DEVLINK_TRAP_GENERIC_ID_PTP_EVENT, 987 DEVLINK_TRAP_GENERIC_ID_PTP_GENERAL, 988 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_SAMPLE, 989 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_TRAP, 990 DEVLINK_TRAP_GENERIC_ID_EARLY_DROP, 991 DEVLINK_TRAP_GENERIC_ID_VXLAN_PARSING, 992 DEVLINK_TRAP_GENERIC_ID_LLC_SNAP_PARSING, 993 DEVLINK_TRAP_GENERIC_ID_VLAN_PARSING, 994 DEVLINK_TRAP_GENERIC_ID_PPPOE_PPP_PARSING, 995 DEVLINK_TRAP_GENERIC_ID_MPLS_PARSING, 996 DEVLINK_TRAP_GENERIC_ID_ARP_PARSING, 997 DEVLINK_TRAP_GENERIC_ID_IP_1_PARSING, 998 DEVLINK_TRAP_GENERIC_ID_IP_N_PARSING, 999 DEVLINK_TRAP_GENERIC_ID_GRE_PARSING, 1000 DEVLINK_TRAP_GENERIC_ID_UDP_PARSING, 1001 DEVLINK_TRAP_GENERIC_ID_TCP_PARSING, 1002 DEVLINK_TRAP_GENERIC_ID_IPSEC_PARSING, 1003 DEVLINK_TRAP_GENERIC_ID_SCTP_PARSING, 1004 DEVLINK_TRAP_GENERIC_ID_DCCP_PARSING, 1005 DEVLINK_TRAP_GENERIC_ID_GTP_PARSING, 1006 DEVLINK_TRAP_GENERIC_ID_ESP_PARSING, 1007 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_NEXTHOP, 1008 DEVLINK_TRAP_GENERIC_ID_DMAC_FILTER, 1009 DEVLINK_TRAP_GENERIC_ID_EAPOL, 1010 DEVLINK_TRAP_GENERIC_ID_LOCKED_PORT, 1011 1012 /* Add new generic trap IDs above */ 1013 __DEVLINK_TRAP_GENERIC_ID_MAX, 1014 DEVLINK_TRAP_GENERIC_ID_MAX = __DEVLINK_TRAP_GENERIC_ID_MAX - 1, 1015 }; 1016 1017 /* All trap groups must be documented in 1018 * Documentation/networking/devlink/devlink-trap.rst 1019 */ 1020 enum devlink_trap_group_generic_id { 1021 DEVLINK_TRAP_GROUP_GENERIC_ID_L2_DROPS, 1022 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_DROPS, 1023 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_EXCEPTIONS, 1024 DEVLINK_TRAP_GROUP_GENERIC_ID_BUFFER_DROPS, 1025 DEVLINK_TRAP_GROUP_GENERIC_ID_TUNNEL_DROPS, 1026 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_DROPS, 1027 DEVLINK_TRAP_GROUP_GENERIC_ID_STP, 1028 DEVLINK_TRAP_GROUP_GENERIC_ID_LACP, 1029 DEVLINK_TRAP_GROUP_GENERIC_ID_LLDP, 1030 DEVLINK_TRAP_GROUP_GENERIC_ID_MC_SNOOPING, 1031 DEVLINK_TRAP_GROUP_GENERIC_ID_DHCP, 1032 DEVLINK_TRAP_GROUP_GENERIC_ID_NEIGH_DISCOVERY, 1033 DEVLINK_TRAP_GROUP_GENERIC_ID_BFD, 1034 DEVLINK_TRAP_GROUP_GENERIC_ID_OSPF, 1035 DEVLINK_TRAP_GROUP_GENERIC_ID_BGP, 1036 DEVLINK_TRAP_GROUP_GENERIC_ID_VRRP, 1037 DEVLINK_TRAP_GROUP_GENERIC_ID_PIM, 1038 DEVLINK_TRAP_GROUP_GENERIC_ID_UC_LB, 1039 DEVLINK_TRAP_GROUP_GENERIC_ID_LOCAL_DELIVERY, 1040 DEVLINK_TRAP_GROUP_GENERIC_ID_EXTERNAL_DELIVERY, 1041 DEVLINK_TRAP_GROUP_GENERIC_ID_IPV6, 1042 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_EVENT, 1043 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_GENERAL, 1044 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_SAMPLE, 1045 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_TRAP, 1046 DEVLINK_TRAP_GROUP_GENERIC_ID_PARSER_ERROR_DROPS, 1047 DEVLINK_TRAP_GROUP_GENERIC_ID_EAPOL, 1048 1049 /* Add new generic trap group IDs above */ 1050 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX, 1051 DEVLINK_TRAP_GROUP_GENERIC_ID_MAX = 1052 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX - 1, 1053 }; 1054 1055 #define DEVLINK_TRAP_GENERIC_NAME_SMAC_MC \ 1056 "source_mac_is_multicast" 1057 #define DEVLINK_TRAP_GENERIC_NAME_VLAN_TAG_MISMATCH \ 1058 "vlan_tag_mismatch" 1059 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_VLAN_FILTER \ 1060 "ingress_vlan_filter" 1061 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_STP_FILTER \ 1062 "ingress_spanning_tree_filter" 1063 #define DEVLINK_TRAP_GENERIC_NAME_EMPTY_TX_LIST \ 1064 "port_list_is_empty" 1065 #define DEVLINK_TRAP_GENERIC_NAME_PORT_LOOPBACK_FILTER \ 1066 "port_loopback_filter" 1067 #define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_ROUTE \ 1068 "blackhole_route" 1069 #define DEVLINK_TRAP_GENERIC_NAME_TTL_ERROR \ 1070 "ttl_value_is_too_small" 1071 #define DEVLINK_TRAP_GENERIC_NAME_TAIL_DROP \ 1072 "tail_drop" 1073 #define DEVLINK_TRAP_GENERIC_NAME_NON_IP_PACKET \ 1074 "non_ip" 1075 #define DEVLINK_TRAP_GENERIC_NAME_UC_DIP_MC_DMAC \ 1076 "uc_dip_over_mc_dmac" 1077 #define DEVLINK_TRAP_GENERIC_NAME_DIP_LB \ 1078 "dip_is_loopback_address" 1079 #define DEVLINK_TRAP_GENERIC_NAME_SIP_MC \ 1080 "sip_is_mc" 1081 #define DEVLINK_TRAP_GENERIC_NAME_SIP_LB \ 1082 "sip_is_loopback_address" 1083 #define DEVLINK_TRAP_GENERIC_NAME_CORRUPTED_IP_HDR \ 1084 "ip_header_corrupted" 1085 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_SIP_BC \ 1086 "ipv4_sip_is_limited_bc" 1087 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_RESERVED_SCOPE \ 1088 "ipv6_mc_dip_reserved_scope" 1089 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE \ 1090 "ipv6_mc_dip_interface_local_scope" 1091 #define DEVLINK_TRAP_GENERIC_NAME_MTU_ERROR \ 1092 "mtu_value_is_too_small" 1093 #define DEVLINK_TRAP_GENERIC_NAME_UNRESOLVED_NEIGH \ 1094 "unresolved_neigh" 1095 #define DEVLINK_TRAP_GENERIC_NAME_RPF \ 1096 "mc_reverse_path_forwarding" 1097 #define DEVLINK_TRAP_GENERIC_NAME_REJECT_ROUTE \ 1098 "reject_route" 1099 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_LPM_UNICAST_MISS \ 1100 "ipv4_lpm_miss" 1101 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_LPM_UNICAST_MISS \ 1102 "ipv6_lpm_miss" 1103 #define DEVLINK_TRAP_GENERIC_NAME_NON_ROUTABLE \ 1104 "non_routable_packet" 1105 #define DEVLINK_TRAP_GENERIC_NAME_DECAP_ERROR \ 1106 "decap_error" 1107 #define DEVLINK_TRAP_GENERIC_NAME_OVERLAY_SMAC_MC \ 1108 "overlay_smac_is_mc" 1109 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_FLOW_ACTION_DROP \ 1110 "ingress_flow_action_drop" 1111 #define DEVLINK_TRAP_GENERIC_NAME_EGRESS_FLOW_ACTION_DROP \ 1112 "egress_flow_action_drop" 1113 #define DEVLINK_TRAP_GENERIC_NAME_STP \ 1114 "stp" 1115 #define DEVLINK_TRAP_GENERIC_NAME_LACP \ 1116 "lacp" 1117 #define DEVLINK_TRAP_GENERIC_NAME_LLDP \ 1118 "lldp" 1119 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_QUERY \ 1120 "igmp_query" 1121 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V1_REPORT \ 1122 "igmp_v1_report" 1123 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_REPORT \ 1124 "igmp_v2_report" 1125 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V3_REPORT \ 1126 "igmp_v3_report" 1127 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_LEAVE \ 1128 "igmp_v2_leave" 1129 #define DEVLINK_TRAP_GENERIC_NAME_MLD_QUERY \ 1130 "mld_query" 1131 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_REPORT \ 1132 "mld_v1_report" 1133 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V2_REPORT \ 1134 "mld_v2_report" 1135 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_DONE \ 1136 "mld_v1_done" 1137 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_DHCP \ 1138 "ipv4_dhcp" 1139 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DHCP \ 1140 "ipv6_dhcp" 1141 #define DEVLINK_TRAP_GENERIC_NAME_ARP_REQUEST \ 1142 "arp_request" 1143 #define DEVLINK_TRAP_GENERIC_NAME_ARP_RESPONSE \ 1144 "arp_response" 1145 #define DEVLINK_TRAP_GENERIC_NAME_ARP_OVERLAY \ 1146 "arp_overlay" 1147 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_SOLICIT \ 1148 "ipv6_neigh_solicit" 1149 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_ADVERT \ 1150 "ipv6_neigh_advert" 1151 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_BFD \ 1152 "ipv4_bfd" 1153 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_BFD \ 1154 "ipv6_bfd" 1155 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_OSPF \ 1156 "ipv4_ospf" 1157 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_OSPF \ 1158 "ipv6_ospf" 1159 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_BGP \ 1160 "ipv4_bgp" 1161 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_BGP \ 1162 "ipv6_bgp" 1163 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_VRRP \ 1164 "ipv4_vrrp" 1165 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_VRRP \ 1166 "ipv6_vrrp" 1167 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_PIM \ 1168 "ipv4_pim" 1169 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_PIM \ 1170 "ipv6_pim" 1171 #define DEVLINK_TRAP_GENERIC_NAME_UC_LB \ 1172 "uc_loopback" 1173 #define DEVLINK_TRAP_GENERIC_NAME_LOCAL_ROUTE \ 1174 "local_route" 1175 #define DEVLINK_TRAP_GENERIC_NAME_EXTERNAL_ROUTE \ 1176 "external_route" 1177 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_UC_DIP_LINK_LOCAL_SCOPE \ 1178 "ipv6_uc_dip_link_local_scope" 1179 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_NODES \ 1180 "ipv6_dip_all_nodes" 1181 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_ROUTERS \ 1182 "ipv6_dip_all_routers" 1183 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_SOLICIT \ 1184 "ipv6_router_solicit" 1185 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ADVERT \ 1186 "ipv6_router_advert" 1187 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_REDIRECT \ 1188 "ipv6_redirect" 1189 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_ROUTER_ALERT \ 1190 "ipv4_router_alert" 1191 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ALERT \ 1192 "ipv6_router_alert" 1193 #define DEVLINK_TRAP_GENERIC_NAME_PTP_EVENT \ 1194 "ptp_event" 1195 #define DEVLINK_TRAP_GENERIC_NAME_PTP_GENERAL \ 1196 "ptp_general" 1197 #define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_SAMPLE \ 1198 "flow_action_sample" 1199 #define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_TRAP \ 1200 "flow_action_trap" 1201 #define DEVLINK_TRAP_GENERIC_NAME_EARLY_DROP \ 1202 "early_drop" 1203 #define DEVLINK_TRAP_GENERIC_NAME_VXLAN_PARSING \ 1204 "vxlan_parsing" 1205 #define DEVLINK_TRAP_GENERIC_NAME_LLC_SNAP_PARSING \ 1206 "llc_snap_parsing" 1207 #define DEVLINK_TRAP_GENERIC_NAME_VLAN_PARSING \ 1208 "vlan_parsing" 1209 #define DEVLINK_TRAP_GENERIC_NAME_PPPOE_PPP_PARSING \ 1210 "pppoe_ppp_parsing" 1211 #define DEVLINK_TRAP_GENERIC_NAME_MPLS_PARSING \ 1212 "mpls_parsing" 1213 #define DEVLINK_TRAP_GENERIC_NAME_ARP_PARSING \ 1214 "arp_parsing" 1215 #define DEVLINK_TRAP_GENERIC_NAME_IP_1_PARSING \ 1216 "ip_1_parsing" 1217 #define DEVLINK_TRAP_GENERIC_NAME_IP_N_PARSING \ 1218 "ip_n_parsing" 1219 #define DEVLINK_TRAP_GENERIC_NAME_GRE_PARSING \ 1220 "gre_parsing" 1221 #define DEVLINK_TRAP_GENERIC_NAME_UDP_PARSING \ 1222 "udp_parsing" 1223 #define DEVLINK_TRAP_GENERIC_NAME_TCP_PARSING \ 1224 "tcp_parsing" 1225 #define DEVLINK_TRAP_GENERIC_NAME_IPSEC_PARSING \ 1226 "ipsec_parsing" 1227 #define DEVLINK_TRAP_GENERIC_NAME_SCTP_PARSING \ 1228 "sctp_parsing" 1229 #define DEVLINK_TRAP_GENERIC_NAME_DCCP_PARSING \ 1230 "dccp_parsing" 1231 #define DEVLINK_TRAP_GENERIC_NAME_GTP_PARSING \ 1232 "gtp_parsing" 1233 #define DEVLINK_TRAP_GENERIC_NAME_ESP_PARSING \ 1234 "esp_parsing" 1235 #define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_NEXTHOP \ 1236 "blackhole_nexthop" 1237 #define DEVLINK_TRAP_GENERIC_NAME_DMAC_FILTER \ 1238 "dmac_filter" 1239 #define DEVLINK_TRAP_GENERIC_NAME_EAPOL \ 1240 "eapol" 1241 #define DEVLINK_TRAP_GENERIC_NAME_LOCKED_PORT \ 1242 "locked_port" 1243 1244 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L2_DROPS \ 1245 "l2_drops" 1246 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_DROPS \ 1247 "l3_drops" 1248 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_EXCEPTIONS \ 1249 "l3_exceptions" 1250 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BUFFER_DROPS \ 1251 "buffer_drops" 1252 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_TUNNEL_DROPS \ 1253 "tunnel_drops" 1254 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_DROPS \ 1255 "acl_drops" 1256 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_STP \ 1257 "stp" 1258 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LACP \ 1259 "lacp" 1260 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LLDP \ 1261 "lldp" 1262 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_MC_SNOOPING \ 1263 "mc_snooping" 1264 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_DHCP \ 1265 "dhcp" 1266 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_NEIGH_DISCOVERY \ 1267 "neigh_discovery" 1268 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BFD \ 1269 "bfd" 1270 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_OSPF \ 1271 "ospf" 1272 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BGP \ 1273 "bgp" 1274 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_VRRP \ 1275 "vrrp" 1276 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PIM \ 1277 "pim" 1278 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_UC_LB \ 1279 "uc_loopback" 1280 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LOCAL_DELIVERY \ 1281 "local_delivery" 1282 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_EXTERNAL_DELIVERY \ 1283 "external_delivery" 1284 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_IPV6 \ 1285 "ipv6" 1286 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_EVENT \ 1287 "ptp_event" 1288 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_GENERAL \ 1289 "ptp_general" 1290 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_SAMPLE \ 1291 "acl_sample" 1292 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_TRAP \ 1293 "acl_trap" 1294 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PARSER_ERROR_DROPS \ 1295 "parser_error_drops" 1296 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_EAPOL \ 1297 "eapol" 1298 1299 #define DEVLINK_TRAP_GENERIC(_type, _init_action, _id, _group_id, \ 1300 _metadata_cap) \ 1301 { \ 1302 .type = DEVLINK_TRAP_TYPE_##_type, \ 1303 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \ 1304 .generic = true, \ 1305 .id = DEVLINK_TRAP_GENERIC_ID_##_id, \ 1306 .name = DEVLINK_TRAP_GENERIC_NAME_##_id, \ 1307 .init_group_id = _group_id, \ 1308 .metadata_cap = _metadata_cap, \ 1309 } 1310 1311 #define DEVLINK_TRAP_DRIVER(_type, _init_action, _id, _name, _group_id, \ 1312 _metadata_cap) \ 1313 { \ 1314 .type = DEVLINK_TRAP_TYPE_##_type, \ 1315 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \ 1316 .generic = false, \ 1317 .id = _id, \ 1318 .name = _name, \ 1319 .init_group_id = _group_id, \ 1320 .metadata_cap = _metadata_cap, \ 1321 } 1322 1323 #define DEVLINK_TRAP_GROUP_GENERIC(_id, _policer_id) \ 1324 { \ 1325 .name = DEVLINK_TRAP_GROUP_GENERIC_NAME_##_id, \ 1326 .id = DEVLINK_TRAP_GROUP_GENERIC_ID_##_id, \ 1327 .generic = true, \ 1328 .init_policer_id = _policer_id, \ 1329 } 1330 1331 #define DEVLINK_TRAP_POLICER(_id, _rate, _burst, _max_rate, _min_rate, \ 1332 _max_burst, _min_burst) \ 1333 { \ 1334 .id = _id, \ 1335 .init_rate = _rate, \ 1336 .init_burst = _burst, \ 1337 .max_rate = _max_rate, \ 1338 .min_rate = _min_rate, \ 1339 .max_burst = _max_burst, \ 1340 .min_burst = _min_burst, \ 1341 } 1342 1343 #define devlink_fmsg_put(fmsg, name, value) ( \ 1344 _Generic((value), \ 1345 bool : devlink_fmsg_bool_pair_put, \ 1346 u8 : devlink_fmsg_u8_pair_put, \ 1347 u16 : devlink_fmsg_u32_pair_put, \ 1348 u32 : devlink_fmsg_u32_pair_put, \ 1349 u64 : devlink_fmsg_u64_pair_put, \ 1350 int : devlink_fmsg_u32_pair_put, \ 1351 char * : devlink_fmsg_string_pair_put, \ 1352 const char * : devlink_fmsg_string_pair_put) \ 1353 (fmsg, name, (value))) 1354 1355 enum { 1356 /* device supports reload operations */ 1357 DEVLINK_F_RELOAD = 1UL << 0, 1358 }; 1359 1360 struct devlink_ops { 1361 /** 1362 * @supported_flash_update_params: 1363 * mask of parameters supported by the driver's .flash_update 1364 * implementation. 1365 */ 1366 u32 supported_flash_update_params; 1367 unsigned long reload_actions; 1368 unsigned long reload_limits; 1369 int (*reload_down)(struct devlink *devlink, bool netns_change, 1370 enum devlink_reload_action action, 1371 enum devlink_reload_limit limit, 1372 struct netlink_ext_ack *extack); 1373 int (*reload_up)(struct devlink *devlink, enum devlink_reload_action action, 1374 enum devlink_reload_limit limit, u32 *actions_performed, 1375 struct netlink_ext_ack *extack); 1376 int (*sb_pool_get)(struct devlink *devlink, unsigned int sb_index, 1377 u16 pool_index, 1378 struct devlink_sb_pool_info *pool_info); 1379 int (*sb_pool_set)(struct devlink *devlink, unsigned int sb_index, 1380 u16 pool_index, u32 size, 1381 enum devlink_sb_threshold_type threshold_type, 1382 struct netlink_ext_ack *extack); 1383 int (*sb_port_pool_get)(struct devlink_port *devlink_port, 1384 unsigned int sb_index, u16 pool_index, 1385 u32 *p_threshold); 1386 int (*sb_port_pool_set)(struct devlink_port *devlink_port, 1387 unsigned int sb_index, u16 pool_index, 1388 u32 threshold, struct netlink_ext_ack *extack); 1389 int (*sb_tc_pool_bind_get)(struct devlink_port *devlink_port, 1390 unsigned int sb_index, 1391 u16 tc_index, 1392 enum devlink_sb_pool_type pool_type, 1393 u16 *p_pool_index, u32 *p_threshold); 1394 int (*sb_tc_pool_bind_set)(struct devlink_port *devlink_port, 1395 unsigned int sb_index, 1396 u16 tc_index, 1397 enum devlink_sb_pool_type pool_type, 1398 u16 pool_index, u32 threshold, 1399 struct netlink_ext_ack *extack); 1400 int (*sb_occ_snapshot)(struct devlink *devlink, 1401 unsigned int sb_index); 1402 int (*sb_occ_max_clear)(struct devlink *devlink, 1403 unsigned int sb_index); 1404 int (*sb_occ_port_pool_get)(struct devlink_port *devlink_port, 1405 unsigned int sb_index, u16 pool_index, 1406 u32 *p_cur, u32 *p_max); 1407 int (*sb_occ_tc_port_bind_get)(struct devlink_port *devlink_port, 1408 unsigned int sb_index, 1409 u16 tc_index, 1410 enum devlink_sb_pool_type pool_type, 1411 u32 *p_cur, u32 *p_max); 1412 1413 int (*eswitch_mode_get)(struct devlink *devlink, u16 *p_mode); 1414 int (*eswitch_mode_set)(struct devlink *devlink, u16 mode, 1415 struct netlink_ext_ack *extack); 1416 int (*eswitch_inline_mode_get)(struct devlink *devlink, u8 *p_inline_mode); 1417 int (*eswitch_inline_mode_set)(struct devlink *devlink, u8 inline_mode, 1418 struct netlink_ext_ack *extack); 1419 int (*eswitch_encap_mode_get)(struct devlink *devlink, 1420 enum devlink_eswitch_encap_mode *p_encap_mode); 1421 int (*eswitch_encap_mode_set)(struct devlink *devlink, 1422 enum devlink_eswitch_encap_mode encap_mode, 1423 struct netlink_ext_ack *extack); 1424 int (*info_get)(struct devlink *devlink, struct devlink_info_req *req, 1425 struct netlink_ext_ack *extack); 1426 /** 1427 * @flash_update: Device flash update function 1428 * 1429 * Used to perform a flash update for the device. The set of 1430 * parameters supported by the driver should be set in 1431 * supported_flash_update_params. 1432 */ 1433 int (*flash_update)(struct devlink *devlink, 1434 struct devlink_flash_update_params *params, 1435 struct netlink_ext_ack *extack); 1436 /** 1437 * @trap_init: Trap initialization function. 1438 * 1439 * Should be used by device drivers to initialize the trap in the 1440 * underlying device. Drivers should also store the provided trap 1441 * context, so that they could efficiently pass it to 1442 * devlink_trap_report() when the trap is triggered. 1443 */ 1444 int (*trap_init)(struct devlink *devlink, 1445 const struct devlink_trap *trap, void *trap_ctx); 1446 /** 1447 * @trap_fini: Trap de-initialization function. 1448 * 1449 * Should be used by device drivers to de-initialize the trap in the 1450 * underlying device. 1451 */ 1452 void (*trap_fini)(struct devlink *devlink, 1453 const struct devlink_trap *trap, void *trap_ctx); 1454 /** 1455 * @trap_action_set: Trap action set function. 1456 */ 1457 int (*trap_action_set)(struct devlink *devlink, 1458 const struct devlink_trap *trap, 1459 enum devlink_trap_action action, 1460 struct netlink_ext_ack *extack); 1461 /** 1462 * @trap_group_init: Trap group initialization function. 1463 * 1464 * Should be used by device drivers to initialize the trap group in the 1465 * underlying device. 1466 */ 1467 int (*trap_group_init)(struct devlink *devlink, 1468 const struct devlink_trap_group *group); 1469 /** 1470 * @trap_group_set: Trap group parameters set function. 1471 * 1472 * Note: @policer can be NULL when a policer is being unbound from 1473 * @group. 1474 */ 1475 int (*trap_group_set)(struct devlink *devlink, 1476 const struct devlink_trap_group *group, 1477 const struct devlink_trap_policer *policer, 1478 struct netlink_ext_ack *extack); 1479 /** 1480 * @trap_group_action_set: Trap group action set function. 1481 * 1482 * If this callback is populated, it will take precedence over looping 1483 * over all traps in a group and calling .trap_action_set(). 1484 */ 1485 int (*trap_group_action_set)(struct devlink *devlink, 1486 const struct devlink_trap_group *group, 1487 enum devlink_trap_action action, 1488 struct netlink_ext_ack *extack); 1489 /** 1490 * @trap_drop_counter_get: Trap drop counter get function. 1491 * 1492 * Should be used by device drivers to report number of packets 1493 * that have been dropped, and cannot be passed to the devlink 1494 * subsystem by the underlying device. 1495 */ 1496 int (*trap_drop_counter_get)(struct devlink *devlink, 1497 const struct devlink_trap *trap, 1498 u64 *p_drops); 1499 /** 1500 * @trap_policer_init: Trap policer initialization function. 1501 * 1502 * Should be used by device drivers to initialize the trap policer in 1503 * the underlying device. 1504 */ 1505 int (*trap_policer_init)(struct devlink *devlink, 1506 const struct devlink_trap_policer *policer); 1507 /** 1508 * @trap_policer_fini: Trap policer de-initialization function. 1509 * 1510 * Should be used by device drivers to de-initialize the trap policer 1511 * in the underlying device. 1512 */ 1513 void (*trap_policer_fini)(struct devlink *devlink, 1514 const struct devlink_trap_policer *policer); 1515 /** 1516 * @trap_policer_set: Trap policer parameters set function. 1517 */ 1518 int (*trap_policer_set)(struct devlink *devlink, 1519 const struct devlink_trap_policer *policer, 1520 u64 rate, u64 burst, 1521 struct netlink_ext_ack *extack); 1522 /** 1523 * @trap_policer_counter_get: Trap policer counter get function. 1524 * 1525 * Should be used by device drivers to report number of packets dropped 1526 * by the policer. 1527 */ 1528 int (*trap_policer_counter_get)(struct devlink *devlink, 1529 const struct devlink_trap_policer *policer, 1530 u64 *p_drops); 1531 /** 1532 * port_new() - Add a new port function of a specified flavor 1533 * @devlink: Devlink instance 1534 * @attrs: attributes of the new port 1535 * @extack: extack for reporting error messages 1536 * @devlink_port: pointer to store new devlink port pointer 1537 * 1538 * Devlink core will call this device driver function upon user request 1539 * to create a new port function of a specified flavor and optional 1540 * attributes 1541 * 1542 * Notes: 1543 * - On success, drivers must register a port with devlink core 1544 * 1545 * Return: 0 on success, negative value otherwise. 1546 */ 1547 int (*port_new)(struct devlink *devlink, 1548 const struct devlink_port_new_attrs *attrs, 1549 struct netlink_ext_ack *extack, 1550 struct devlink_port **devlink_port); 1551 1552 /** 1553 * Rate control callbacks. 1554 */ 1555 int (*rate_leaf_tx_share_set)(struct devlink_rate *devlink_rate, void *priv, 1556 u64 tx_share, struct netlink_ext_ack *extack); 1557 int (*rate_leaf_tx_max_set)(struct devlink_rate *devlink_rate, void *priv, 1558 u64 tx_max, struct netlink_ext_ack *extack); 1559 int (*rate_leaf_tx_priority_set)(struct devlink_rate *devlink_rate, void *priv, 1560 u32 tx_priority, struct netlink_ext_ack *extack); 1561 int (*rate_leaf_tx_weight_set)(struct devlink_rate *devlink_rate, void *priv, 1562 u32 tx_weight, struct netlink_ext_ack *extack); 1563 int (*rate_leaf_tc_bw_set)(struct devlink_rate *devlink_rate, 1564 void *priv, u32 *tc_bw, 1565 struct netlink_ext_ack *extack); 1566 int (*rate_node_tx_share_set)(struct devlink_rate *devlink_rate, void *priv, 1567 u64 tx_share, struct netlink_ext_ack *extack); 1568 int (*rate_node_tx_max_set)(struct devlink_rate *devlink_rate, void *priv, 1569 u64 tx_max, struct netlink_ext_ack *extack); 1570 int (*rate_node_tx_priority_set)(struct devlink_rate *devlink_rate, void *priv, 1571 u32 tx_priority, struct netlink_ext_ack *extack); 1572 int (*rate_node_tx_weight_set)(struct devlink_rate *devlink_rate, void *priv, 1573 u32 tx_weight, struct netlink_ext_ack *extack); 1574 int (*rate_node_tc_bw_set)(struct devlink_rate *devlink_rate, 1575 void *priv, u32 *tc_bw, 1576 struct netlink_ext_ack *extack); 1577 int (*rate_node_new)(struct devlink_rate *rate_node, void **priv, 1578 struct netlink_ext_ack *extack); 1579 int (*rate_node_del)(struct devlink_rate *rate_node, void *priv, 1580 struct netlink_ext_ack *extack); 1581 int (*rate_leaf_parent_set)(struct devlink_rate *child, 1582 struct devlink_rate *parent, 1583 void *priv_child, void *priv_parent, 1584 struct netlink_ext_ack *extack); 1585 int (*rate_node_parent_set)(struct devlink_rate *child, 1586 struct devlink_rate *parent, 1587 void *priv_child, void *priv_parent, 1588 struct netlink_ext_ack *extack); 1589 /** 1590 * selftests_check() - queries if selftest is supported 1591 * @devlink: devlink instance 1592 * @id: test index 1593 * @extack: extack for reporting error messages 1594 * 1595 * Return: true if test is supported by the driver 1596 */ 1597 bool (*selftest_check)(struct devlink *devlink, unsigned int id, 1598 struct netlink_ext_ack *extack); 1599 /** 1600 * selftest_run() - Runs a selftest 1601 * @devlink: devlink instance 1602 * @id: test index 1603 * @extack: extack for reporting error messages 1604 * 1605 * Return: status of the test 1606 */ 1607 enum devlink_selftest_status 1608 (*selftest_run)(struct devlink *devlink, unsigned int id, 1609 struct netlink_ext_ack *extack); 1610 }; 1611 1612 void *devlink_priv(struct devlink *devlink); 1613 struct devlink *priv_to_devlink(void *priv); 1614 struct device *devlink_to_dev(const struct devlink *devlink); 1615 const char *devlink_bus_name(const struct devlink *devlink); 1616 const char *devlink_dev_name(const struct devlink *devlink); 1617 const char *devlink_dev_driver_name(const struct devlink *devlink); 1618 1619 /* Devlink instance explicit locking */ 1620 void devl_lock(struct devlink *devlink); 1621 int devl_trylock(struct devlink *devlink); 1622 void devl_unlock(struct devlink *devlink); 1623 void devl_assert_locked(struct devlink *devlink); 1624 bool devl_lock_is_held(struct devlink *devlink); 1625 DEFINE_GUARD(devl, struct devlink *, devl_lock(_T), devl_unlock(_T)); 1626 1627 struct ib_device; 1628 1629 struct net *devlink_net(const struct devlink *devlink); 1630 /* This call is intended for software devices that can create 1631 * devlink instances in other namespaces than init_net. 1632 * 1633 * Drivers that operate on real HW must use devlink_alloc() instead. 1634 */ 1635 struct devlink *devlink_alloc_ns(const struct devlink_ops *ops, 1636 size_t priv_size, struct net *net, 1637 struct device *dev); 1638 static inline struct devlink *devlink_alloc(const struct devlink_ops *ops, 1639 size_t priv_size, 1640 struct device *dev) 1641 { 1642 return devlink_alloc_ns(ops, priv_size, &init_net, dev); 1643 } 1644 1645 int devl_register(struct devlink *devlink); 1646 void devl_unregister(struct devlink *devlink); 1647 void devlink_register(struct devlink *devlink); 1648 void devlink_unregister(struct devlink *devlink); 1649 void devlink_free(struct devlink *devlink); 1650 1651 struct devlink *devlink_shd_get(const char *id, 1652 const struct devlink_ops *ops, 1653 size_t priv_size, 1654 const struct device_driver *driver); 1655 void devlink_shd_put(struct devlink *devlink); 1656 void *devlink_shd_get_priv(struct devlink *devlink); 1657 1658 /** 1659 * struct devlink_port_ops - Port operations 1660 * @port_split: Callback used to split the port into multiple ones. 1661 * @port_unsplit: Callback used to unsplit the port group back into 1662 * a single port. 1663 * @port_type_set: Callback used to set a type of a port. 1664 * @port_del: Callback used to delete selected port along with related function. 1665 * Devlink core calls this upon user request to delete 1666 * a port previously created by devlink_ops->port_new(). 1667 * @port_fn_hw_addr_get: Callback used to set port function's hardware address. 1668 * Should be used by device drivers to report 1669 * the hardware address of a function managed 1670 * by the devlink port. 1671 * @port_fn_hw_addr_set: Callback used to set port function's hardware address. 1672 * Should be used by device drivers to set the hardware 1673 * address of a function managed by the devlink port. 1674 * @port_fn_roce_get: Callback used to get port function's RoCE capability. 1675 * Should be used by device drivers to report 1676 * the current state of RoCE capability of a function 1677 * managed by the devlink port. 1678 * @port_fn_roce_set: Callback used to set port function's RoCE capability. 1679 * Should be used by device drivers to enable/disable 1680 * RoCE capability of a function managed 1681 * by the devlink port. 1682 * @port_fn_migratable_get: Callback used to get port function's migratable 1683 * capability. Should be used by device drivers 1684 * to report the current state of migratable capability 1685 * of a function managed by the devlink port. 1686 * @port_fn_migratable_set: Callback used to set port function's migratable 1687 * capability. Should be used by device drivers 1688 * to enable/disable migratable capability of 1689 * a function managed by the devlink port. 1690 * @port_fn_state_get: Callback used to get port function's state. 1691 * Should be used by device drivers to report 1692 * the current admin and operational state of a 1693 * function managed by the devlink port. 1694 * @port_fn_state_set: Callback used to get port function's state. 1695 * Should be used by device drivers set 1696 * the admin state of a function managed 1697 * by the devlink port. 1698 * @port_fn_ipsec_crypto_get: Callback used to get port function's ipsec_crypto 1699 * capability. Should be used by device drivers 1700 * to report the current state of ipsec_crypto 1701 * capability of a function managed by the devlink 1702 * port. 1703 * @port_fn_ipsec_crypto_set: Callback used to set port function's ipsec_crypto 1704 * capability. Should be used by device drivers to 1705 * enable/disable ipsec_crypto capability of a 1706 * function managed by the devlink port. 1707 * @port_fn_ipsec_packet_get: Callback used to get port function's ipsec_packet 1708 * capability. Should be used by device drivers 1709 * to report the current state of ipsec_packet 1710 * capability of a function managed by the devlink 1711 * port. 1712 * @port_fn_ipsec_packet_set: Callback used to set port function's ipsec_packet 1713 * capability. Should be used by device drivers to 1714 * enable/disable ipsec_packet capability of a 1715 * function managed by the devlink port. 1716 * @port_fn_max_io_eqs_get: Callback used to get port function's maximum number 1717 * of event queues. Should be used by device drivers to 1718 * report the maximum event queues of a function 1719 * managed by the devlink port. 1720 * @port_fn_max_io_eqs_set: Callback used to set port function's maximum number 1721 * of event queues. Should be used by device drivers to 1722 * configure maximum number of event queues 1723 * of a function managed by the devlink port. 1724 * 1725 * Note: Driver should return -EOPNOTSUPP if it doesn't support 1726 * port function (@port_fn_*) handling for a particular port. 1727 */ 1728 struct devlink_port_ops { 1729 int (*port_split)(struct devlink *devlink, struct devlink_port *port, 1730 unsigned int count, struct netlink_ext_ack *extack); 1731 int (*port_unsplit)(struct devlink *devlink, struct devlink_port *port, 1732 struct netlink_ext_ack *extack); 1733 int (*port_type_set)(struct devlink_port *devlink_port, 1734 enum devlink_port_type port_type); 1735 int (*port_del)(struct devlink *devlink, struct devlink_port *port, 1736 struct netlink_ext_ack *extack); 1737 int (*port_fn_hw_addr_get)(struct devlink_port *port, u8 *hw_addr, 1738 int *hw_addr_len, 1739 struct netlink_ext_ack *extack); 1740 int (*port_fn_hw_addr_set)(struct devlink_port *port, 1741 const u8 *hw_addr, int hw_addr_len, 1742 struct netlink_ext_ack *extack); 1743 int (*port_fn_roce_get)(struct devlink_port *devlink_port, 1744 bool *is_enable, 1745 struct netlink_ext_ack *extack); 1746 int (*port_fn_roce_set)(struct devlink_port *devlink_port, 1747 bool enable, struct netlink_ext_ack *extack); 1748 int (*port_fn_migratable_get)(struct devlink_port *devlink_port, 1749 bool *is_enable, 1750 struct netlink_ext_ack *extack); 1751 int (*port_fn_migratable_set)(struct devlink_port *devlink_port, 1752 bool enable, 1753 struct netlink_ext_ack *extack); 1754 int (*port_fn_state_get)(struct devlink_port *port, 1755 enum devlink_port_fn_state *state, 1756 enum devlink_port_fn_opstate *opstate, 1757 struct netlink_ext_ack *extack); 1758 int (*port_fn_state_set)(struct devlink_port *port, 1759 enum devlink_port_fn_state state, 1760 struct netlink_ext_ack *extack); 1761 int (*port_fn_ipsec_crypto_get)(struct devlink_port *devlink_port, 1762 bool *is_enable, 1763 struct netlink_ext_ack *extack); 1764 int (*port_fn_ipsec_crypto_set)(struct devlink_port *devlink_port, 1765 bool enable, 1766 struct netlink_ext_ack *extack); 1767 int (*port_fn_ipsec_packet_get)(struct devlink_port *devlink_port, 1768 bool *is_enable, 1769 struct netlink_ext_ack *extack); 1770 int (*port_fn_ipsec_packet_set)(struct devlink_port *devlink_port, 1771 bool enable, 1772 struct netlink_ext_ack *extack); 1773 int (*port_fn_max_io_eqs_get)(struct devlink_port *devlink_port, 1774 u32 *max_eqs, 1775 struct netlink_ext_ack *extack); 1776 int (*port_fn_max_io_eqs_set)(struct devlink_port *devlink_port, 1777 u32 max_eqs, 1778 struct netlink_ext_ack *extack); 1779 }; 1780 1781 void devlink_port_init(struct devlink *devlink, 1782 struct devlink_port *devlink_port); 1783 void devlink_port_fini(struct devlink_port *devlink_port); 1784 1785 int devl_port_register_with_ops(struct devlink *devlink, 1786 struct devlink_port *devlink_port, 1787 unsigned int port_index, 1788 const struct devlink_port_ops *ops); 1789 1790 static inline int devl_port_register(struct devlink *devlink, 1791 struct devlink_port *devlink_port, 1792 unsigned int port_index) 1793 { 1794 return devl_port_register_with_ops(devlink, devlink_port, 1795 port_index, NULL); 1796 } 1797 1798 int devlink_port_register_with_ops(struct devlink *devlink, 1799 struct devlink_port *devlink_port, 1800 unsigned int port_index, 1801 const struct devlink_port_ops *ops); 1802 1803 static inline int devlink_port_register(struct devlink *devlink, 1804 struct devlink_port *devlink_port, 1805 unsigned int port_index) 1806 { 1807 return devlink_port_register_with_ops(devlink, devlink_port, 1808 port_index, NULL); 1809 } 1810 1811 void devl_port_unregister(struct devlink_port *devlink_port); 1812 void devlink_port_unregister(struct devlink_port *devlink_port); 1813 void devlink_port_type_eth_set(struct devlink_port *devlink_port); 1814 void devlink_port_type_ib_set(struct devlink_port *devlink_port, 1815 struct ib_device *ibdev); 1816 void devlink_port_type_clear(struct devlink_port *devlink_port); 1817 void devlink_port_attrs_set(struct devlink_port *devlink_port, 1818 const struct devlink_port_attrs *attrs); 1819 void devlink_port_attrs_pci_pf_set(struct devlink_port *devlink_port, u32 controller, 1820 u16 pf, bool external); 1821 void devlink_port_attrs_pci_vf_set(struct devlink_port *devlink_port, u32 controller, 1822 u16 pf, u16 vf, bool external); 1823 void devlink_port_attrs_pci_sf_set(struct devlink_port *devlink_port, 1824 u32 controller, u16 pf, u32 sf, 1825 bool external); 1826 int devl_port_fn_devlink_set(struct devlink_port *devlink_port, 1827 struct devlink *fn_devlink); 1828 struct devlink_rate * 1829 devl_rate_node_create(struct devlink *devlink, void *priv, char *node_name, 1830 struct devlink_rate *parent); 1831 int 1832 devl_rate_leaf_create(struct devlink_port *devlink_port, void *priv, 1833 struct devlink_rate *parent); 1834 void devl_rate_leaf_destroy(struct devlink_port *devlink_port); 1835 void devl_rate_nodes_destroy(struct devlink *devlink); 1836 void devlink_port_linecard_set(struct devlink_port *devlink_port, 1837 struct devlink_linecard *linecard); 1838 struct devlink_linecard * 1839 devl_linecard_create(struct devlink *devlink, unsigned int linecard_index, 1840 const struct devlink_linecard_ops *ops, void *priv); 1841 void devl_linecard_destroy(struct devlink_linecard *linecard); 1842 void devlink_linecard_provision_set(struct devlink_linecard *linecard, 1843 const char *type); 1844 void devlink_linecard_provision_clear(struct devlink_linecard *linecard); 1845 void devlink_linecard_provision_fail(struct devlink_linecard *linecard); 1846 void devlink_linecard_activate(struct devlink_linecard *linecard); 1847 void devlink_linecard_deactivate(struct devlink_linecard *linecard); 1848 int devlink_linecard_nested_dl_set(struct devlink_linecard *linecard, 1849 struct devlink *nested_devlink); 1850 int devl_sb_register(struct devlink *devlink, unsigned int sb_index, 1851 u32 size, u16 ingress_pools_count, 1852 u16 egress_pools_count, u16 ingress_tc_count, 1853 u16 egress_tc_count); 1854 int devlink_sb_register(struct devlink *devlink, unsigned int sb_index, 1855 u32 size, u16 ingress_pools_count, 1856 u16 egress_pools_count, u16 ingress_tc_count, 1857 u16 egress_tc_count); 1858 void devl_sb_unregister(struct devlink *devlink, unsigned int sb_index); 1859 void devlink_sb_unregister(struct devlink *devlink, unsigned int sb_index); 1860 int devl_dpipe_table_register(struct devlink *devlink, 1861 const char *table_name, 1862 const struct devlink_dpipe_table_ops *table_ops, 1863 void *priv, bool counter_control_extern); 1864 void devl_dpipe_table_unregister(struct devlink *devlink, 1865 const char *table_name); 1866 void devl_dpipe_headers_register(struct devlink *devlink, 1867 struct devlink_dpipe_headers *dpipe_headers); 1868 void devl_dpipe_headers_unregister(struct devlink *devlink); 1869 bool devlink_dpipe_table_counter_enabled(struct devlink *devlink, 1870 const char *table_name); 1871 int devlink_dpipe_entry_ctx_prepare(struct devlink_dpipe_dump_ctx *dump_ctx); 1872 int devlink_dpipe_entry_ctx_append(struct devlink_dpipe_dump_ctx *dump_ctx, 1873 struct devlink_dpipe_entry *entry); 1874 int devlink_dpipe_entry_ctx_close(struct devlink_dpipe_dump_ctx *dump_ctx); 1875 void devlink_dpipe_entry_clear(struct devlink_dpipe_entry *entry); 1876 int devlink_dpipe_action_put(struct sk_buff *skb, 1877 struct devlink_dpipe_action *action); 1878 int devlink_dpipe_match_put(struct sk_buff *skb, 1879 struct devlink_dpipe_match *match); 1880 extern struct devlink_dpipe_header devlink_dpipe_header_ethernet; 1881 extern struct devlink_dpipe_header devlink_dpipe_header_ipv4; 1882 extern struct devlink_dpipe_header devlink_dpipe_header_ipv6; 1883 1884 int devl_resource_register(struct devlink *devlink, 1885 const char *resource_name, 1886 u64 resource_size, 1887 u64 resource_id, 1888 u64 parent_resource_id, 1889 const struct devlink_resource_size_params *params); 1890 void devl_resources_unregister(struct devlink *devlink); 1891 void devlink_resources_unregister(struct devlink *devlink); 1892 int devl_resource_size_get(struct devlink *devlink, 1893 u64 resource_id, 1894 u64 *p_resource_size); 1895 int 1896 devl_port_resource_register(struct devlink_port *devlink_port, 1897 const char *resource_name, 1898 u64 resource_size, u64 resource_id, 1899 u64 parent_resource_id, 1900 const struct devlink_resource_size_params *params); 1901 void devl_port_resources_unregister(struct devlink_port *devlink_port); 1902 int devl_dpipe_table_resource_set(struct devlink *devlink, 1903 const char *table_name, u64 resource_id, 1904 u64 resource_units); 1905 void devl_resource_occ_get_register(struct devlink *devlink, 1906 u64 resource_id, 1907 devlink_resource_occ_get_t *occ_get, 1908 void *occ_get_priv); 1909 void devl_resource_occ_get_unregister(struct devlink *devlink, 1910 u64 resource_id); 1911 int devl_params_register(struct devlink *devlink, 1912 const struct devlink_param *params, 1913 size_t params_count); 1914 int devlink_params_register(struct devlink *devlink, 1915 const struct devlink_param *params, 1916 size_t params_count); 1917 void devl_params_unregister(struct devlink *devlink, 1918 const struct devlink_param *params, 1919 size_t params_count); 1920 void devlink_params_unregister(struct devlink *devlink, 1921 const struct devlink_param *params, 1922 size_t params_count); 1923 int devl_param_driverinit_value_get(struct devlink *devlink, u32 param_id, 1924 union devlink_param_value *val); 1925 void devl_param_driverinit_value_set(struct devlink *devlink, u32 param_id, 1926 union devlink_param_value init_val); 1927 void devl_param_value_changed(struct devlink *devlink, u32 param_id); 1928 struct devlink_region *devl_region_create(struct devlink *devlink, 1929 const struct devlink_region_ops *ops, 1930 u32 region_max_snapshots, 1931 u64 region_size); 1932 struct devlink_region * 1933 devlink_region_create(struct devlink *devlink, 1934 const struct devlink_region_ops *ops, 1935 u32 region_max_snapshots, u64 region_size); 1936 struct devlink_region * 1937 devlink_port_region_create(struct devlink_port *port, 1938 const struct devlink_port_region_ops *ops, 1939 u32 region_max_snapshots, u64 region_size); 1940 void devl_region_destroy(struct devlink_region *region); 1941 void devlink_region_destroy(struct devlink_region *region); 1942 int devlink_region_snapshot_id_get(struct devlink *devlink, u32 *id); 1943 void devlink_region_snapshot_id_put(struct devlink *devlink, u32 id); 1944 int devlink_region_snapshot_create(struct devlink_region *region, 1945 u8 *data, u32 snapshot_id); 1946 int devlink_info_serial_number_put(struct devlink_info_req *req, 1947 const char *sn); 1948 int devlink_info_board_serial_number_put(struct devlink_info_req *req, 1949 const char *bsn); 1950 1951 enum devlink_info_version_type { 1952 DEVLINK_INFO_VERSION_TYPE_NONE, 1953 DEVLINK_INFO_VERSION_TYPE_COMPONENT, /* May be used as flash update 1954 * component by name. 1955 */ 1956 }; 1957 1958 int devlink_info_version_fixed_put(struct devlink_info_req *req, 1959 const char *version_name, 1960 const char *version_value); 1961 int devlink_info_version_stored_put(struct devlink_info_req *req, 1962 const char *version_name, 1963 const char *version_value); 1964 int devlink_info_version_stored_put_ext(struct devlink_info_req *req, 1965 const char *version_name, 1966 const char *version_value, 1967 enum devlink_info_version_type version_type); 1968 int devlink_info_version_running_put(struct devlink_info_req *req, 1969 const char *version_name, 1970 const char *version_value); 1971 int devlink_info_version_running_put_ext(struct devlink_info_req *req, 1972 const char *version_name, 1973 const char *version_value, 1974 enum devlink_info_version_type version_type); 1975 1976 void devlink_fmsg_obj_nest_start(struct devlink_fmsg *fmsg); 1977 void devlink_fmsg_obj_nest_end(struct devlink_fmsg *fmsg); 1978 1979 void devlink_fmsg_pair_nest_start(struct devlink_fmsg *fmsg, const char *name); 1980 void devlink_fmsg_pair_nest_end(struct devlink_fmsg *fmsg); 1981 1982 void devlink_fmsg_arr_pair_nest_start(struct devlink_fmsg *fmsg, 1983 const char *name); 1984 void devlink_fmsg_arr_pair_nest_end(struct devlink_fmsg *fmsg); 1985 void devlink_fmsg_binary_pair_nest_start(struct devlink_fmsg *fmsg, 1986 const char *name); 1987 void devlink_fmsg_binary_pair_nest_end(struct devlink_fmsg *fmsg); 1988 1989 void devlink_fmsg_u32_put(struct devlink_fmsg *fmsg, u32 value); 1990 void devlink_fmsg_string_put(struct devlink_fmsg *fmsg, const char *value); 1991 void devlink_fmsg_binary_put(struct devlink_fmsg *fmsg, const void *value, 1992 u16 value_len); 1993 1994 void devlink_fmsg_bool_pair_put(struct devlink_fmsg *fmsg, const char *name, 1995 bool value); 1996 void devlink_fmsg_u8_pair_put(struct devlink_fmsg *fmsg, const char *name, 1997 u8 value); 1998 void devlink_fmsg_u32_pair_put(struct devlink_fmsg *fmsg, const char *name, 1999 u32 value); 2000 void devlink_fmsg_u64_pair_put(struct devlink_fmsg *fmsg, const char *name, 2001 u64 value); 2002 void devlink_fmsg_string_pair_put(struct devlink_fmsg *fmsg, const char *name, 2003 const char *value); 2004 void devlink_fmsg_binary_pair_put(struct devlink_fmsg *fmsg, const char *name, 2005 const void *value, u32 value_len); 2006 2007 struct devlink_health_reporter * 2008 devl_port_health_reporter_create(struct devlink_port *port, 2009 const struct devlink_health_reporter_ops *ops, 2010 void *priv); 2011 2012 struct devlink_health_reporter * 2013 devlink_port_health_reporter_create(struct devlink_port *port, 2014 const struct devlink_health_reporter_ops *ops, 2015 void *priv); 2016 2017 struct devlink_health_reporter * 2018 devl_health_reporter_create(struct devlink *devlink, 2019 const struct devlink_health_reporter_ops *ops, 2020 void *priv); 2021 2022 struct devlink_health_reporter * 2023 devlink_health_reporter_create(struct devlink *devlink, 2024 const struct devlink_health_reporter_ops *ops, 2025 void *priv); 2026 2027 void 2028 devl_health_reporter_destroy(struct devlink_health_reporter *reporter); 2029 2030 void 2031 devlink_health_reporter_destroy(struct devlink_health_reporter *reporter); 2032 2033 void * 2034 devlink_health_reporter_priv(struct devlink_health_reporter *reporter); 2035 int devlink_health_report(struct devlink_health_reporter *reporter, 2036 const char *msg, void *priv_ctx); 2037 void 2038 devlink_health_reporter_state_update(struct devlink_health_reporter *reporter, 2039 enum devlink_health_reporter_state state); 2040 void 2041 devlink_health_reporter_recovery_done(struct devlink_health_reporter *reporter); 2042 2043 int devl_nested_devlink_set(struct devlink *devlink, 2044 struct devlink *nested_devlink); 2045 bool devlink_is_reload_failed(const struct devlink *devlink); 2046 void devlink_remote_reload_actions_performed(struct devlink *devlink, 2047 enum devlink_reload_limit limit, 2048 u32 actions_performed); 2049 2050 void devlink_flash_update_status_notify(struct devlink *devlink, 2051 const char *status_msg, 2052 const char *component, 2053 unsigned long done, 2054 unsigned long total); 2055 void devlink_flash_update_timeout_notify(struct devlink *devlink, 2056 const char *status_msg, 2057 const char *component, 2058 unsigned long timeout); 2059 2060 int devl_traps_register(struct devlink *devlink, 2061 const struct devlink_trap *traps, 2062 size_t traps_count, void *priv); 2063 int devlink_traps_register(struct devlink *devlink, 2064 const struct devlink_trap *traps, 2065 size_t traps_count, void *priv); 2066 void devl_traps_unregister(struct devlink *devlink, 2067 const struct devlink_trap *traps, 2068 size_t traps_count); 2069 void devlink_traps_unregister(struct devlink *devlink, 2070 const struct devlink_trap *traps, 2071 size_t traps_count); 2072 void devlink_trap_report(struct devlink *devlink, struct sk_buff *skb, 2073 void *trap_ctx, struct devlink_port *in_devlink_port, 2074 const struct flow_action_cookie *fa_cookie); 2075 void *devlink_trap_ctx_priv(void *trap_ctx); 2076 int devl_trap_groups_register(struct devlink *devlink, 2077 const struct devlink_trap_group *groups, 2078 size_t groups_count); 2079 int devlink_trap_groups_register(struct devlink *devlink, 2080 const struct devlink_trap_group *groups, 2081 size_t groups_count); 2082 void devl_trap_groups_unregister(struct devlink *devlink, 2083 const struct devlink_trap_group *groups, 2084 size_t groups_count); 2085 void devlink_trap_groups_unregister(struct devlink *devlink, 2086 const struct devlink_trap_group *groups, 2087 size_t groups_count); 2088 int 2089 devl_trap_policers_register(struct devlink *devlink, 2090 const struct devlink_trap_policer *policers, 2091 size_t policers_count); 2092 void 2093 devl_trap_policers_unregister(struct devlink *devlink, 2094 const struct devlink_trap_policer *policers, 2095 size_t policers_count); 2096 2097 #if IS_ENABLED(CONFIG_NET_DEVLINK) 2098 2099 struct devlink *__must_check devlink_try_get(struct devlink *devlink); 2100 void devlink_put(struct devlink *devlink); 2101 2102 void devlink_compat_running_version(struct devlink *devlink, 2103 char *buf, size_t len); 2104 int devlink_compat_flash_update(struct devlink *devlink, const char *file_name); 2105 int devlink_compat_phys_port_name_get(struct net_device *dev, 2106 char *name, size_t len); 2107 int devlink_compat_switch_id_get(struct net_device *dev, 2108 struct netdev_phys_item_id *ppid); 2109 2110 int devlink_nl_port_handle_fill(struct sk_buff *msg, struct devlink_port *devlink_port); 2111 size_t devlink_nl_port_handle_size(struct devlink_port *devlink_port); 2112 void devlink_fmsg_dump_skb(struct devlink_fmsg *fmsg, const struct sk_buff *skb); 2113 2114 #else 2115 2116 static inline struct devlink *devlink_try_get(struct devlink *devlink) 2117 { 2118 return NULL; 2119 } 2120 2121 static inline void devlink_put(struct devlink *devlink) 2122 { 2123 } 2124 2125 static inline void 2126 devlink_compat_running_version(struct devlink *devlink, char *buf, size_t len) 2127 { 2128 } 2129 2130 static inline int 2131 devlink_compat_flash_update(struct devlink *devlink, const char *file_name) 2132 { 2133 return -EOPNOTSUPP; 2134 } 2135 2136 static inline int 2137 devlink_compat_phys_port_name_get(struct net_device *dev, 2138 char *name, size_t len) 2139 { 2140 return -EOPNOTSUPP; 2141 } 2142 2143 static inline int 2144 devlink_compat_switch_id_get(struct net_device *dev, 2145 struct netdev_phys_item_id *ppid) 2146 { 2147 return -EOPNOTSUPP; 2148 } 2149 2150 static inline int 2151 devlink_nl_port_handle_fill(struct sk_buff *msg, struct devlink_port *devlink_port) 2152 { 2153 return 0; 2154 } 2155 2156 static inline size_t devlink_nl_port_handle_size(struct devlink_port *devlink_port) 2157 { 2158 return 0; 2159 } 2160 2161 #endif 2162 2163 #endif /* _NET_DEVLINK_H_ */ 2164