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 host 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 host 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 host 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 DEVLINK_PARAM_TYPE_U64_ARRAY = DEVLINK_VAR_ATTR_TYPE_U64_ARRAY, 437 }; 438 439 #define __DEVLINK_PARAM_MAX_ARRAY_SIZE 32 440 struct devlink_param_u64_array { 441 u64 size; 442 u64 val[__DEVLINK_PARAM_MAX_ARRAY_SIZE]; 443 }; 444 445 union devlink_param_value { 446 u8 vu8; 447 u16 vu16; 448 u32 vu32; 449 u64 vu64; 450 char vstr[__DEVLINK_PARAM_MAX_STRING_VALUE]; 451 bool vbool; 452 struct devlink_param_u64_array u64arr; 453 }; 454 455 struct devlink_param_gset_ctx { 456 union devlink_param_value val; 457 enum devlink_param_cmode cmode; 458 }; 459 460 /** 461 * struct devlink_flash_notify - devlink dev flash notify data 462 * @status_msg: current status string 463 * @component: firmware component being updated 464 * @done: amount of work completed of total amount 465 * @total: amount of work expected to be done 466 * @timeout: expected max timeout in seconds 467 * 468 * These are values to be given to userland to be displayed in order 469 * to show current activity in a firmware update process. 470 */ 471 struct devlink_flash_notify { 472 const char *status_msg; 473 const char *component; 474 unsigned long done; 475 unsigned long total; 476 unsigned long timeout; 477 }; 478 479 /** 480 * struct devlink_param - devlink configuration parameter data 481 * @id: devlink parameter id number 482 * @name: name of the parameter 483 * @generic: indicates if the parameter is generic or driver specific 484 * @type: parameter type 485 * @supported_cmodes: bitmap of supported configuration modes 486 * @get: get parameter value, used for runtime and permanent 487 * configuration modes 488 * @set: set parameter value, used for runtime and permanent 489 * configuration modes 490 * @validate: validate input value is applicable (within value range, etc.) 491 * @get_default: get parameter default value, used for runtime and permanent 492 * configuration modes 493 * @reset_default: reset parameter to default value, used for runtime and permanent 494 * configuration modes 495 * 496 * This struct should be used by the driver to fill the data for 497 * a parameter it registers. 498 */ 499 struct devlink_param { 500 u32 id; 501 const char *name; 502 bool generic; 503 enum devlink_param_type type; 504 unsigned long supported_cmodes; 505 int (*get)(struct devlink *devlink, u32 id, 506 struct devlink_param_gset_ctx *ctx, 507 struct netlink_ext_ack *extack); 508 int (*set)(struct devlink *devlink, u32 id, 509 struct devlink_param_gset_ctx *ctx, 510 struct netlink_ext_ack *extack); 511 int (*validate)(struct devlink *devlink, u32 id, 512 union devlink_param_value *val, 513 struct netlink_ext_ack *extack); 514 int (*get_default)(struct devlink *devlink, u32 id, 515 struct devlink_param_gset_ctx *ctx, 516 struct netlink_ext_ack *extack); 517 int (*reset_default)(struct devlink *devlink, u32 id, 518 enum devlink_param_cmode cmode, 519 struct netlink_ext_ack *extack); 520 }; 521 522 struct devlink_param_item { 523 struct list_head list; 524 const struct devlink_param *param; 525 union devlink_param_value driverinit_value; 526 bool driverinit_value_valid; 527 union devlink_param_value driverinit_value_new; /* Not reachable 528 * until reload. 529 */ 530 bool driverinit_value_new_valid; 531 union devlink_param_value driverinit_default; 532 }; 533 534 enum devlink_param_generic_id { 535 DEVLINK_PARAM_GENERIC_ID_INT_ERR_RESET, 536 DEVLINK_PARAM_GENERIC_ID_MAX_MACS, 537 DEVLINK_PARAM_GENERIC_ID_ENABLE_SRIOV, 538 DEVLINK_PARAM_GENERIC_ID_REGION_SNAPSHOT, 539 DEVLINK_PARAM_GENERIC_ID_IGNORE_ARI, 540 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX, 541 DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN, 542 DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY, 543 DEVLINK_PARAM_GENERIC_ID_RESET_DEV_ON_DRV_PROBE, 544 DEVLINK_PARAM_GENERIC_ID_ENABLE_ROCE, 545 DEVLINK_PARAM_GENERIC_ID_ENABLE_REMOTE_DEV_RESET, 546 DEVLINK_PARAM_GENERIC_ID_ENABLE_ETH, 547 DEVLINK_PARAM_GENERIC_ID_ENABLE_RDMA, 548 DEVLINK_PARAM_GENERIC_ID_ENABLE_VNET, 549 DEVLINK_PARAM_GENERIC_ID_ENABLE_IWARP, 550 DEVLINK_PARAM_GENERIC_ID_IO_EQ_SIZE, 551 DEVLINK_PARAM_GENERIC_ID_EVENT_EQ_SIZE, 552 DEVLINK_PARAM_GENERIC_ID_ENABLE_PHC, 553 DEVLINK_PARAM_GENERIC_ID_CLOCK_ID, 554 DEVLINK_PARAM_GENERIC_ID_TOTAL_VFS, 555 DEVLINK_PARAM_GENERIC_ID_NUM_DOORBELLS, 556 DEVLINK_PARAM_GENERIC_ID_MAX_MAC_PER_VF, 557 DEVLINK_PARAM_GENERIC_ID_MAX_SFS, 558 559 /* add new param generic ids above here*/ 560 __DEVLINK_PARAM_GENERIC_ID_MAX, 561 DEVLINK_PARAM_GENERIC_ID_MAX = __DEVLINK_PARAM_GENERIC_ID_MAX - 1, 562 }; 563 564 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_NAME "internal_error_reset" 565 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL 566 567 #define DEVLINK_PARAM_GENERIC_MAX_MACS_NAME "max_macs" 568 #define DEVLINK_PARAM_GENERIC_MAX_MACS_TYPE DEVLINK_PARAM_TYPE_U32 569 570 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_NAME "enable_sriov" 571 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_TYPE DEVLINK_PARAM_TYPE_BOOL 572 573 #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_NAME "region_snapshot_enable" 574 #define DEVLINK_PARAM_GENERIC_REGION_SNAPSHOT_TYPE DEVLINK_PARAM_TYPE_BOOL 575 576 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_NAME "ignore_ari" 577 #define DEVLINK_PARAM_GENERIC_IGNORE_ARI_TYPE DEVLINK_PARAM_TYPE_BOOL 578 579 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_NAME "msix_vec_per_pf_max" 580 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_TYPE DEVLINK_PARAM_TYPE_U32 581 582 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_NAME "msix_vec_per_pf_min" 583 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_TYPE DEVLINK_PARAM_TYPE_U32 584 585 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_NAME "fw_load_policy" 586 #define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_TYPE DEVLINK_PARAM_TYPE_U8 587 588 #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_NAME \ 589 "reset_dev_on_drv_probe" 590 #define DEVLINK_PARAM_GENERIC_RESET_DEV_ON_DRV_PROBE_TYPE DEVLINK_PARAM_TYPE_U8 591 592 #define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_NAME "enable_roce" 593 #define DEVLINK_PARAM_GENERIC_ENABLE_ROCE_TYPE DEVLINK_PARAM_TYPE_BOOL 594 595 #define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_NAME "enable_remote_dev_reset" 596 #define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL 597 598 #define DEVLINK_PARAM_GENERIC_ENABLE_ETH_NAME "enable_eth" 599 #define DEVLINK_PARAM_GENERIC_ENABLE_ETH_TYPE DEVLINK_PARAM_TYPE_BOOL 600 601 #define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_NAME "enable_rdma" 602 #define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_TYPE DEVLINK_PARAM_TYPE_BOOL 603 604 #define DEVLINK_PARAM_GENERIC_ENABLE_VNET_NAME "enable_vnet" 605 #define DEVLINK_PARAM_GENERIC_ENABLE_VNET_TYPE DEVLINK_PARAM_TYPE_BOOL 606 607 #define DEVLINK_PARAM_GENERIC_ENABLE_IWARP_NAME "enable_iwarp" 608 #define DEVLINK_PARAM_GENERIC_ENABLE_IWARP_TYPE DEVLINK_PARAM_TYPE_BOOL 609 610 #define DEVLINK_PARAM_GENERIC_IO_EQ_SIZE_NAME "io_eq_size" 611 #define DEVLINK_PARAM_GENERIC_IO_EQ_SIZE_TYPE DEVLINK_PARAM_TYPE_U32 612 613 #define DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_NAME "event_eq_size" 614 #define DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_TYPE DEVLINK_PARAM_TYPE_U32 615 616 #define DEVLINK_PARAM_GENERIC_ENABLE_PHC_NAME "enable_phc" 617 #define DEVLINK_PARAM_GENERIC_ENABLE_PHC_TYPE DEVLINK_PARAM_TYPE_BOOL 618 619 #define DEVLINK_PARAM_GENERIC_CLOCK_ID_NAME "clock_id" 620 #define DEVLINK_PARAM_GENERIC_CLOCK_ID_TYPE DEVLINK_PARAM_TYPE_U64 621 622 #define DEVLINK_PARAM_GENERIC_TOTAL_VFS_NAME "total_vfs" 623 #define DEVLINK_PARAM_GENERIC_TOTAL_VFS_TYPE DEVLINK_PARAM_TYPE_U32 624 625 #define DEVLINK_PARAM_GENERIC_NUM_DOORBELLS_NAME "num_doorbells" 626 #define DEVLINK_PARAM_GENERIC_NUM_DOORBELLS_TYPE DEVLINK_PARAM_TYPE_U32 627 628 #define DEVLINK_PARAM_GENERIC_MAX_MAC_PER_VF_NAME "max_mac_per_vf" 629 #define DEVLINK_PARAM_GENERIC_MAX_MAC_PER_VF_TYPE DEVLINK_PARAM_TYPE_U32 630 631 #define DEVLINK_PARAM_GENERIC_MAX_SFS_NAME "max_sfs" 632 #define DEVLINK_PARAM_GENERIC_MAX_SFS_TYPE DEVLINK_PARAM_TYPE_U32 633 634 #define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate) \ 635 { \ 636 .id = DEVLINK_PARAM_GENERIC_ID_##_id, \ 637 .name = DEVLINK_PARAM_GENERIC_##_id##_NAME, \ 638 .type = DEVLINK_PARAM_GENERIC_##_id##_TYPE, \ 639 .generic = true, \ 640 .supported_cmodes = _cmodes, \ 641 .get = _get, \ 642 .set = _set, \ 643 .validate = _validate, \ 644 } 645 646 #define DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, _get, _set, _validate) \ 647 { \ 648 .id = _id, \ 649 .name = _name, \ 650 .type = _type, \ 651 .supported_cmodes = _cmodes, \ 652 .get = _get, \ 653 .set = _set, \ 654 .validate = _validate, \ 655 } 656 657 #define DEVLINK_PARAM_GENERIC_WITH_DEFAULTS(_id, _cmodes, _get, _set, \ 658 _validate, _get_default, \ 659 _reset_default) \ 660 { \ 661 .id = DEVLINK_PARAM_GENERIC_ID_##_id, \ 662 .name = DEVLINK_PARAM_GENERIC_##_id##_NAME, \ 663 .type = DEVLINK_PARAM_GENERIC_##_id##_TYPE, \ 664 .generic = true, \ 665 .supported_cmodes = _cmodes, \ 666 .get = _get, \ 667 .set = _set, \ 668 .validate = _validate, \ 669 .get_default = _get_default, \ 670 .reset_default = _reset_default, \ 671 } 672 673 #define DEVLINK_PARAM_DRIVER_WITH_DEFAULTS(_id, _name, _type, _cmodes, \ 674 _get, _set, _validate, \ 675 _get_default, _reset_default) \ 676 { \ 677 .id = _id, \ 678 .name = _name, \ 679 .type = _type, \ 680 .supported_cmodes = _cmodes, \ 681 .get = _get, \ 682 .set = _set, \ 683 .validate = _validate, \ 684 .get_default = _get_default, \ 685 .reset_default = _reset_default, \ 686 } 687 688 /* Identifier of board design */ 689 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_ID "board.id" 690 /* Revision of board design */ 691 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_REV "board.rev" 692 /* Maker of the board */ 693 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_MANUFACTURE "board.manufacture" 694 /* Part number of the board and its components */ 695 #define DEVLINK_INFO_VERSION_GENERIC_BOARD_PART_NUMBER "board.part_number" 696 697 /* Part number, identifier of asic design */ 698 #define DEVLINK_INFO_VERSION_GENERIC_ASIC_ID "asic.id" 699 /* Revision of asic design */ 700 #define DEVLINK_INFO_VERSION_GENERIC_ASIC_REV "asic.rev" 701 702 /* Overall FW version */ 703 #define DEVLINK_INFO_VERSION_GENERIC_FW "fw" 704 /* Control processor FW version */ 705 #define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT "fw.mgmt" 706 /* FW interface specification version */ 707 #define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT_API "fw.mgmt.api" 708 /* Data path microcode controlling high-speed packet processing */ 709 #define DEVLINK_INFO_VERSION_GENERIC_FW_APP "fw.app" 710 /* UNDI software version */ 711 #define DEVLINK_INFO_VERSION_GENERIC_FW_UNDI "fw.undi" 712 /* NCSI support/handler version */ 713 #define DEVLINK_INFO_VERSION_GENERIC_FW_NCSI "fw.ncsi" 714 /* FW parameter set id */ 715 #define DEVLINK_INFO_VERSION_GENERIC_FW_PSID "fw.psid" 716 /* RoCE FW version */ 717 #define DEVLINK_INFO_VERSION_GENERIC_FW_ROCE "fw.roce" 718 /* Firmware bundle identifier */ 719 #define DEVLINK_INFO_VERSION_GENERIC_FW_BUNDLE_ID "fw.bundle_id" 720 /* Bootloader */ 721 #define DEVLINK_INFO_VERSION_GENERIC_FW_BOOTLOADER "fw.bootloader" 722 723 /** 724 * struct devlink_flash_update_params - Flash Update parameters 725 * @fw: pointer to the firmware data to update from 726 * @component: the flash component to update 727 * @overwrite_mask: which types of flash update are supported (may be %0) 728 * 729 * With the exception of fw, drivers must opt-in to parameters by 730 * setting the appropriate bit in the supported_flash_update_params field in 731 * their devlink_ops structure. 732 */ 733 struct devlink_flash_update_params { 734 const struct firmware *fw; 735 const char *component; 736 u32 overwrite_mask; 737 }; 738 739 #define DEVLINK_SUPPORT_FLASH_UPDATE_OVERWRITE_MASK BIT(0) 740 741 struct devlink_region; 742 struct devlink_info_req; 743 744 /** 745 * struct devlink_region_ops - Region operations 746 * @name: region name 747 * @destructor: callback used to free snapshot memory when deleting 748 * @snapshot: callback to request an immediate snapshot. On success, 749 * the data variable must be updated to point to the snapshot data. 750 * The function will be called while the devlink instance lock is 751 * held. 752 * @read: callback to directly read a portion of the region. On success, 753 * the data pointer will be updated with the contents of the 754 * requested portion of the region. The function will be called 755 * while the devlink instance lock is held. 756 * @priv: Pointer to driver private data for the region operation 757 */ 758 struct devlink_region_ops { 759 const char *name; 760 void (*destructor)(const void *data); 761 int (*snapshot)(struct devlink *devlink, 762 const struct devlink_region_ops *ops, 763 struct netlink_ext_ack *extack, 764 u8 **data); 765 int (*read)(struct devlink *devlink, 766 const struct devlink_region_ops *ops, 767 struct netlink_ext_ack *extack, 768 u64 offset, u32 size, u8 *data); 769 void *priv; 770 }; 771 772 /** 773 * struct devlink_port_region_ops - Region operations for a port 774 * @name: region name 775 * @destructor: callback used to free snapshot memory when deleting 776 * @snapshot: callback to request an immediate snapshot. On success, 777 * the data variable must be updated to point to the snapshot data. 778 * The function will be called while the devlink instance lock is 779 * held. 780 * @read: callback to directly read a portion of the region. On success, 781 * the data pointer will be updated with the contents of the 782 * requested portion of the region. The function will be called 783 * while the devlink instance lock is held. 784 * @priv: Pointer to driver private data for the region operation 785 */ 786 struct devlink_port_region_ops { 787 const char *name; 788 void (*destructor)(const void *data); 789 int (*snapshot)(struct devlink_port *port, 790 const struct devlink_port_region_ops *ops, 791 struct netlink_ext_ack *extack, 792 u8 **data); 793 int (*read)(struct devlink_port *port, 794 const struct devlink_port_region_ops *ops, 795 struct netlink_ext_ack *extack, 796 u64 offset, u32 size, u8 *data); 797 void *priv; 798 }; 799 800 struct devlink_fmsg; 801 struct devlink_health_reporter; 802 803 enum devlink_health_reporter_state { 804 DEVLINK_HEALTH_REPORTER_STATE_HEALTHY, 805 DEVLINK_HEALTH_REPORTER_STATE_ERROR, 806 }; 807 808 /** 809 * struct devlink_health_reporter_ops - Reporter operations 810 * @name: reporter name 811 * @recover: callback to recover from reported error 812 * if priv_ctx is NULL, run a full recover 813 * @dump: callback to dump an object 814 * if priv_ctx is NULL, run a full dump 815 * @diagnose: callback to diagnose the current status 816 * @test: callback to trigger a test event 817 * @default_graceful_period: default min time (in msec) 818 * between recovery attempts 819 * @default_burst_period: default time (in msec) for 820 * error recoveries before starting the grace period 821 */ 822 823 struct devlink_health_reporter_ops { 824 char *name; 825 int (*recover)(struct devlink_health_reporter *reporter, 826 void *priv_ctx, struct netlink_ext_ack *extack); 827 int (*dump)(struct devlink_health_reporter *reporter, 828 struct devlink_fmsg *fmsg, void *priv_ctx, 829 struct netlink_ext_ack *extack); 830 int (*diagnose)(struct devlink_health_reporter *reporter, 831 struct devlink_fmsg *fmsg, 832 struct netlink_ext_ack *extack); 833 int (*test)(struct devlink_health_reporter *reporter, 834 struct netlink_ext_ack *extack); 835 u64 default_graceful_period; 836 u64 default_burst_period; 837 }; 838 839 /** 840 * struct devlink_trap_metadata - Packet trap metadata. 841 * @trap_name: Trap name. 842 * @trap_group_name: Trap group name. 843 * @input_dev: Input netdevice. 844 * @dev_tracker: refcount tracker for @input_dev. 845 * @fa_cookie: Flow action user cookie. 846 * @trap_type: Trap type. 847 */ 848 struct devlink_trap_metadata { 849 const char *trap_name; 850 const char *trap_group_name; 851 852 struct net_device *input_dev; 853 netdevice_tracker dev_tracker; 854 855 const struct flow_action_cookie *fa_cookie; 856 enum devlink_trap_type trap_type; 857 }; 858 859 /** 860 * struct devlink_trap_policer - Immutable packet trap policer attributes. 861 * @id: Policer identifier. 862 * @init_rate: Initial rate in packets / sec. 863 * @init_burst: Initial burst size in packets. 864 * @max_rate: Maximum rate. 865 * @min_rate: Minimum rate. 866 * @max_burst: Maximum burst size. 867 * @min_burst: Minimum burst size. 868 * 869 * Describes immutable attributes of packet trap policers that drivers register 870 * with devlink. 871 */ 872 struct devlink_trap_policer { 873 u32 id; 874 u64 init_rate; 875 u64 init_burst; 876 u64 max_rate; 877 u64 min_rate; 878 u64 max_burst; 879 u64 min_burst; 880 }; 881 882 /** 883 * struct devlink_trap_group - Immutable packet trap group attributes. 884 * @name: Trap group name. 885 * @id: Trap group identifier. 886 * @generic: Whether the trap group is generic or not. 887 * @init_policer_id: Initial policer identifier. 888 * 889 * Describes immutable attributes of packet trap groups that drivers register 890 * with devlink. 891 */ 892 struct devlink_trap_group { 893 const char *name; 894 u16 id; 895 bool generic; 896 u32 init_policer_id; 897 }; 898 899 #define DEVLINK_TRAP_METADATA_TYPE_F_IN_PORT BIT(0) 900 #define DEVLINK_TRAP_METADATA_TYPE_F_FA_COOKIE BIT(1) 901 902 /** 903 * struct devlink_trap - Immutable packet trap attributes. 904 * @type: Trap type. 905 * @init_action: Initial trap action. 906 * @generic: Whether the trap is generic or not. 907 * @id: Trap identifier. 908 * @name: Trap name. 909 * @init_group_id: Initial group identifier. 910 * @metadata_cap: Metadata types that can be provided by the trap. 911 * 912 * Describes immutable attributes of packet traps that drivers register with 913 * devlink. 914 */ 915 struct devlink_trap { 916 enum devlink_trap_type type; 917 enum devlink_trap_action init_action; 918 bool generic; 919 u16 id; 920 const char *name; 921 u16 init_group_id; 922 u32 metadata_cap; 923 }; 924 925 /* All traps must be documented in 926 * Documentation/networking/devlink/devlink-trap.rst 927 */ 928 enum devlink_trap_generic_id { 929 DEVLINK_TRAP_GENERIC_ID_SMAC_MC, 930 DEVLINK_TRAP_GENERIC_ID_VLAN_TAG_MISMATCH, 931 DEVLINK_TRAP_GENERIC_ID_INGRESS_VLAN_FILTER, 932 DEVLINK_TRAP_GENERIC_ID_INGRESS_STP_FILTER, 933 DEVLINK_TRAP_GENERIC_ID_EMPTY_TX_LIST, 934 DEVLINK_TRAP_GENERIC_ID_PORT_LOOPBACK_FILTER, 935 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_ROUTE, 936 DEVLINK_TRAP_GENERIC_ID_TTL_ERROR, 937 DEVLINK_TRAP_GENERIC_ID_TAIL_DROP, 938 DEVLINK_TRAP_GENERIC_ID_NON_IP_PACKET, 939 DEVLINK_TRAP_GENERIC_ID_UC_DIP_MC_DMAC, 940 DEVLINK_TRAP_GENERIC_ID_DIP_LB, 941 DEVLINK_TRAP_GENERIC_ID_SIP_MC, 942 DEVLINK_TRAP_GENERIC_ID_SIP_LB, 943 DEVLINK_TRAP_GENERIC_ID_CORRUPTED_IP_HDR, 944 DEVLINK_TRAP_GENERIC_ID_IPV4_SIP_BC, 945 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_RESERVED_SCOPE, 946 DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE, 947 DEVLINK_TRAP_GENERIC_ID_MTU_ERROR, 948 DEVLINK_TRAP_GENERIC_ID_UNRESOLVED_NEIGH, 949 DEVLINK_TRAP_GENERIC_ID_RPF, 950 DEVLINK_TRAP_GENERIC_ID_REJECT_ROUTE, 951 DEVLINK_TRAP_GENERIC_ID_IPV4_LPM_UNICAST_MISS, 952 DEVLINK_TRAP_GENERIC_ID_IPV6_LPM_UNICAST_MISS, 953 DEVLINK_TRAP_GENERIC_ID_NON_ROUTABLE, 954 DEVLINK_TRAP_GENERIC_ID_DECAP_ERROR, 955 DEVLINK_TRAP_GENERIC_ID_OVERLAY_SMAC_MC, 956 DEVLINK_TRAP_GENERIC_ID_INGRESS_FLOW_ACTION_DROP, 957 DEVLINK_TRAP_GENERIC_ID_EGRESS_FLOW_ACTION_DROP, 958 DEVLINK_TRAP_GENERIC_ID_STP, 959 DEVLINK_TRAP_GENERIC_ID_LACP, 960 DEVLINK_TRAP_GENERIC_ID_LLDP, 961 DEVLINK_TRAP_GENERIC_ID_IGMP_QUERY, 962 DEVLINK_TRAP_GENERIC_ID_IGMP_V1_REPORT, 963 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_REPORT, 964 DEVLINK_TRAP_GENERIC_ID_IGMP_V3_REPORT, 965 DEVLINK_TRAP_GENERIC_ID_IGMP_V2_LEAVE, 966 DEVLINK_TRAP_GENERIC_ID_MLD_QUERY, 967 DEVLINK_TRAP_GENERIC_ID_MLD_V1_REPORT, 968 DEVLINK_TRAP_GENERIC_ID_MLD_V2_REPORT, 969 DEVLINK_TRAP_GENERIC_ID_MLD_V1_DONE, 970 DEVLINK_TRAP_GENERIC_ID_IPV4_DHCP, 971 DEVLINK_TRAP_GENERIC_ID_IPV6_DHCP, 972 DEVLINK_TRAP_GENERIC_ID_ARP_REQUEST, 973 DEVLINK_TRAP_GENERIC_ID_ARP_RESPONSE, 974 DEVLINK_TRAP_GENERIC_ID_ARP_OVERLAY, 975 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_SOLICIT, 976 DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_ADVERT, 977 DEVLINK_TRAP_GENERIC_ID_IPV4_BFD, 978 DEVLINK_TRAP_GENERIC_ID_IPV6_BFD, 979 DEVLINK_TRAP_GENERIC_ID_IPV4_OSPF, 980 DEVLINK_TRAP_GENERIC_ID_IPV6_OSPF, 981 DEVLINK_TRAP_GENERIC_ID_IPV4_BGP, 982 DEVLINK_TRAP_GENERIC_ID_IPV6_BGP, 983 DEVLINK_TRAP_GENERIC_ID_IPV4_VRRP, 984 DEVLINK_TRAP_GENERIC_ID_IPV6_VRRP, 985 DEVLINK_TRAP_GENERIC_ID_IPV4_PIM, 986 DEVLINK_TRAP_GENERIC_ID_IPV6_PIM, 987 DEVLINK_TRAP_GENERIC_ID_UC_LB, 988 DEVLINK_TRAP_GENERIC_ID_LOCAL_ROUTE, 989 DEVLINK_TRAP_GENERIC_ID_EXTERNAL_ROUTE, 990 DEVLINK_TRAP_GENERIC_ID_IPV6_UC_DIP_LINK_LOCAL_SCOPE, 991 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_NODES, 992 DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_ROUTERS, 993 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_SOLICIT, 994 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ADVERT, 995 DEVLINK_TRAP_GENERIC_ID_IPV6_REDIRECT, 996 DEVLINK_TRAP_GENERIC_ID_IPV4_ROUTER_ALERT, 997 DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ALERT, 998 DEVLINK_TRAP_GENERIC_ID_PTP_EVENT, 999 DEVLINK_TRAP_GENERIC_ID_PTP_GENERAL, 1000 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_SAMPLE, 1001 DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_TRAP, 1002 DEVLINK_TRAP_GENERIC_ID_EARLY_DROP, 1003 DEVLINK_TRAP_GENERIC_ID_VXLAN_PARSING, 1004 DEVLINK_TRAP_GENERIC_ID_LLC_SNAP_PARSING, 1005 DEVLINK_TRAP_GENERIC_ID_VLAN_PARSING, 1006 DEVLINK_TRAP_GENERIC_ID_PPPOE_PPP_PARSING, 1007 DEVLINK_TRAP_GENERIC_ID_MPLS_PARSING, 1008 DEVLINK_TRAP_GENERIC_ID_ARP_PARSING, 1009 DEVLINK_TRAP_GENERIC_ID_IP_1_PARSING, 1010 DEVLINK_TRAP_GENERIC_ID_IP_N_PARSING, 1011 DEVLINK_TRAP_GENERIC_ID_GRE_PARSING, 1012 DEVLINK_TRAP_GENERIC_ID_UDP_PARSING, 1013 DEVLINK_TRAP_GENERIC_ID_TCP_PARSING, 1014 DEVLINK_TRAP_GENERIC_ID_IPSEC_PARSING, 1015 DEVLINK_TRAP_GENERIC_ID_SCTP_PARSING, 1016 DEVLINK_TRAP_GENERIC_ID_DCCP_PARSING, 1017 DEVLINK_TRAP_GENERIC_ID_GTP_PARSING, 1018 DEVLINK_TRAP_GENERIC_ID_ESP_PARSING, 1019 DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_NEXTHOP, 1020 DEVLINK_TRAP_GENERIC_ID_DMAC_FILTER, 1021 DEVLINK_TRAP_GENERIC_ID_EAPOL, 1022 DEVLINK_TRAP_GENERIC_ID_LOCKED_PORT, 1023 1024 /* Add new generic trap IDs above */ 1025 __DEVLINK_TRAP_GENERIC_ID_MAX, 1026 DEVLINK_TRAP_GENERIC_ID_MAX = __DEVLINK_TRAP_GENERIC_ID_MAX - 1, 1027 }; 1028 1029 /* All trap groups must be documented in 1030 * Documentation/networking/devlink/devlink-trap.rst 1031 */ 1032 enum devlink_trap_group_generic_id { 1033 DEVLINK_TRAP_GROUP_GENERIC_ID_L2_DROPS, 1034 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_DROPS, 1035 DEVLINK_TRAP_GROUP_GENERIC_ID_L3_EXCEPTIONS, 1036 DEVLINK_TRAP_GROUP_GENERIC_ID_BUFFER_DROPS, 1037 DEVLINK_TRAP_GROUP_GENERIC_ID_TUNNEL_DROPS, 1038 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_DROPS, 1039 DEVLINK_TRAP_GROUP_GENERIC_ID_STP, 1040 DEVLINK_TRAP_GROUP_GENERIC_ID_LACP, 1041 DEVLINK_TRAP_GROUP_GENERIC_ID_LLDP, 1042 DEVLINK_TRAP_GROUP_GENERIC_ID_MC_SNOOPING, 1043 DEVLINK_TRAP_GROUP_GENERIC_ID_DHCP, 1044 DEVLINK_TRAP_GROUP_GENERIC_ID_NEIGH_DISCOVERY, 1045 DEVLINK_TRAP_GROUP_GENERIC_ID_BFD, 1046 DEVLINK_TRAP_GROUP_GENERIC_ID_OSPF, 1047 DEVLINK_TRAP_GROUP_GENERIC_ID_BGP, 1048 DEVLINK_TRAP_GROUP_GENERIC_ID_VRRP, 1049 DEVLINK_TRAP_GROUP_GENERIC_ID_PIM, 1050 DEVLINK_TRAP_GROUP_GENERIC_ID_UC_LB, 1051 DEVLINK_TRAP_GROUP_GENERIC_ID_LOCAL_DELIVERY, 1052 DEVLINK_TRAP_GROUP_GENERIC_ID_EXTERNAL_DELIVERY, 1053 DEVLINK_TRAP_GROUP_GENERIC_ID_IPV6, 1054 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_EVENT, 1055 DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_GENERAL, 1056 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_SAMPLE, 1057 DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_TRAP, 1058 DEVLINK_TRAP_GROUP_GENERIC_ID_PARSER_ERROR_DROPS, 1059 DEVLINK_TRAP_GROUP_GENERIC_ID_EAPOL, 1060 1061 /* Add new generic trap group IDs above */ 1062 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX, 1063 DEVLINK_TRAP_GROUP_GENERIC_ID_MAX = 1064 __DEVLINK_TRAP_GROUP_GENERIC_ID_MAX - 1, 1065 }; 1066 1067 #define DEVLINK_TRAP_GENERIC_NAME_SMAC_MC \ 1068 "source_mac_is_multicast" 1069 #define DEVLINK_TRAP_GENERIC_NAME_VLAN_TAG_MISMATCH \ 1070 "vlan_tag_mismatch" 1071 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_VLAN_FILTER \ 1072 "ingress_vlan_filter" 1073 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_STP_FILTER \ 1074 "ingress_spanning_tree_filter" 1075 #define DEVLINK_TRAP_GENERIC_NAME_EMPTY_TX_LIST \ 1076 "port_list_is_empty" 1077 #define DEVLINK_TRAP_GENERIC_NAME_PORT_LOOPBACK_FILTER \ 1078 "port_loopback_filter" 1079 #define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_ROUTE \ 1080 "blackhole_route" 1081 #define DEVLINK_TRAP_GENERIC_NAME_TTL_ERROR \ 1082 "ttl_value_is_too_small" 1083 #define DEVLINK_TRAP_GENERIC_NAME_TAIL_DROP \ 1084 "tail_drop" 1085 #define DEVLINK_TRAP_GENERIC_NAME_NON_IP_PACKET \ 1086 "non_ip" 1087 #define DEVLINK_TRAP_GENERIC_NAME_UC_DIP_MC_DMAC \ 1088 "uc_dip_over_mc_dmac" 1089 #define DEVLINK_TRAP_GENERIC_NAME_DIP_LB \ 1090 "dip_is_loopback_address" 1091 #define DEVLINK_TRAP_GENERIC_NAME_SIP_MC \ 1092 "sip_is_mc" 1093 #define DEVLINK_TRAP_GENERIC_NAME_SIP_LB \ 1094 "sip_is_loopback_address" 1095 #define DEVLINK_TRAP_GENERIC_NAME_CORRUPTED_IP_HDR \ 1096 "ip_header_corrupted" 1097 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_SIP_BC \ 1098 "ipv4_sip_is_limited_bc" 1099 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_RESERVED_SCOPE \ 1100 "ipv6_mc_dip_reserved_scope" 1101 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE \ 1102 "ipv6_mc_dip_interface_local_scope" 1103 #define DEVLINK_TRAP_GENERIC_NAME_MTU_ERROR \ 1104 "mtu_value_is_too_small" 1105 #define DEVLINK_TRAP_GENERIC_NAME_UNRESOLVED_NEIGH \ 1106 "unresolved_neigh" 1107 #define DEVLINK_TRAP_GENERIC_NAME_RPF \ 1108 "mc_reverse_path_forwarding" 1109 #define DEVLINK_TRAP_GENERIC_NAME_REJECT_ROUTE \ 1110 "reject_route" 1111 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_LPM_UNICAST_MISS \ 1112 "ipv4_lpm_miss" 1113 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_LPM_UNICAST_MISS \ 1114 "ipv6_lpm_miss" 1115 #define DEVLINK_TRAP_GENERIC_NAME_NON_ROUTABLE \ 1116 "non_routable_packet" 1117 #define DEVLINK_TRAP_GENERIC_NAME_DECAP_ERROR \ 1118 "decap_error" 1119 #define DEVLINK_TRAP_GENERIC_NAME_OVERLAY_SMAC_MC \ 1120 "overlay_smac_is_mc" 1121 #define DEVLINK_TRAP_GENERIC_NAME_INGRESS_FLOW_ACTION_DROP \ 1122 "ingress_flow_action_drop" 1123 #define DEVLINK_TRAP_GENERIC_NAME_EGRESS_FLOW_ACTION_DROP \ 1124 "egress_flow_action_drop" 1125 #define DEVLINK_TRAP_GENERIC_NAME_STP \ 1126 "stp" 1127 #define DEVLINK_TRAP_GENERIC_NAME_LACP \ 1128 "lacp" 1129 #define DEVLINK_TRAP_GENERIC_NAME_LLDP \ 1130 "lldp" 1131 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_QUERY \ 1132 "igmp_query" 1133 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V1_REPORT \ 1134 "igmp_v1_report" 1135 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_REPORT \ 1136 "igmp_v2_report" 1137 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V3_REPORT \ 1138 "igmp_v3_report" 1139 #define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_LEAVE \ 1140 "igmp_v2_leave" 1141 #define DEVLINK_TRAP_GENERIC_NAME_MLD_QUERY \ 1142 "mld_query" 1143 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_REPORT \ 1144 "mld_v1_report" 1145 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V2_REPORT \ 1146 "mld_v2_report" 1147 #define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_DONE \ 1148 "mld_v1_done" 1149 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_DHCP \ 1150 "ipv4_dhcp" 1151 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DHCP \ 1152 "ipv6_dhcp" 1153 #define DEVLINK_TRAP_GENERIC_NAME_ARP_REQUEST \ 1154 "arp_request" 1155 #define DEVLINK_TRAP_GENERIC_NAME_ARP_RESPONSE \ 1156 "arp_response" 1157 #define DEVLINK_TRAP_GENERIC_NAME_ARP_OVERLAY \ 1158 "arp_overlay" 1159 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_SOLICIT \ 1160 "ipv6_neigh_solicit" 1161 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_ADVERT \ 1162 "ipv6_neigh_advert" 1163 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_BFD \ 1164 "ipv4_bfd" 1165 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_BFD \ 1166 "ipv6_bfd" 1167 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_OSPF \ 1168 "ipv4_ospf" 1169 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_OSPF \ 1170 "ipv6_ospf" 1171 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_BGP \ 1172 "ipv4_bgp" 1173 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_BGP \ 1174 "ipv6_bgp" 1175 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_VRRP \ 1176 "ipv4_vrrp" 1177 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_VRRP \ 1178 "ipv6_vrrp" 1179 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_PIM \ 1180 "ipv4_pim" 1181 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_PIM \ 1182 "ipv6_pim" 1183 #define DEVLINK_TRAP_GENERIC_NAME_UC_LB \ 1184 "uc_loopback" 1185 #define DEVLINK_TRAP_GENERIC_NAME_LOCAL_ROUTE \ 1186 "local_route" 1187 #define DEVLINK_TRAP_GENERIC_NAME_EXTERNAL_ROUTE \ 1188 "external_route" 1189 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_UC_DIP_LINK_LOCAL_SCOPE \ 1190 "ipv6_uc_dip_link_local_scope" 1191 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_NODES \ 1192 "ipv6_dip_all_nodes" 1193 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_ROUTERS \ 1194 "ipv6_dip_all_routers" 1195 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_SOLICIT \ 1196 "ipv6_router_solicit" 1197 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ADVERT \ 1198 "ipv6_router_advert" 1199 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_REDIRECT \ 1200 "ipv6_redirect" 1201 #define DEVLINK_TRAP_GENERIC_NAME_IPV4_ROUTER_ALERT \ 1202 "ipv4_router_alert" 1203 #define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ALERT \ 1204 "ipv6_router_alert" 1205 #define DEVLINK_TRAP_GENERIC_NAME_PTP_EVENT \ 1206 "ptp_event" 1207 #define DEVLINK_TRAP_GENERIC_NAME_PTP_GENERAL \ 1208 "ptp_general" 1209 #define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_SAMPLE \ 1210 "flow_action_sample" 1211 #define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_TRAP \ 1212 "flow_action_trap" 1213 #define DEVLINK_TRAP_GENERIC_NAME_EARLY_DROP \ 1214 "early_drop" 1215 #define DEVLINK_TRAP_GENERIC_NAME_VXLAN_PARSING \ 1216 "vxlan_parsing" 1217 #define DEVLINK_TRAP_GENERIC_NAME_LLC_SNAP_PARSING \ 1218 "llc_snap_parsing" 1219 #define DEVLINK_TRAP_GENERIC_NAME_VLAN_PARSING \ 1220 "vlan_parsing" 1221 #define DEVLINK_TRAP_GENERIC_NAME_PPPOE_PPP_PARSING \ 1222 "pppoe_ppp_parsing" 1223 #define DEVLINK_TRAP_GENERIC_NAME_MPLS_PARSING \ 1224 "mpls_parsing" 1225 #define DEVLINK_TRAP_GENERIC_NAME_ARP_PARSING \ 1226 "arp_parsing" 1227 #define DEVLINK_TRAP_GENERIC_NAME_IP_1_PARSING \ 1228 "ip_1_parsing" 1229 #define DEVLINK_TRAP_GENERIC_NAME_IP_N_PARSING \ 1230 "ip_n_parsing" 1231 #define DEVLINK_TRAP_GENERIC_NAME_GRE_PARSING \ 1232 "gre_parsing" 1233 #define DEVLINK_TRAP_GENERIC_NAME_UDP_PARSING \ 1234 "udp_parsing" 1235 #define DEVLINK_TRAP_GENERIC_NAME_TCP_PARSING \ 1236 "tcp_parsing" 1237 #define DEVLINK_TRAP_GENERIC_NAME_IPSEC_PARSING \ 1238 "ipsec_parsing" 1239 #define DEVLINK_TRAP_GENERIC_NAME_SCTP_PARSING \ 1240 "sctp_parsing" 1241 #define DEVLINK_TRAP_GENERIC_NAME_DCCP_PARSING \ 1242 "dccp_parsing" 1243 #define DEVLINK_TRAP_GENERIC_NAME_GTP_PARSING \ 1244 "gtp_parsing" 1245 #define DEVLINK_TRAP_GENERIC_NAME_ESP_PARSING \ 1246 "esp_parsing" 1247 #define DEVLINK_TRAP_GENERIC_NAME_BLACKHOLE_NEXTHOP \ 1248 "blackhole_nexthop" 1249 #define DEVLINK_TRAP_GENERIC_NAME_DMAC_FILTER \ 1250 "dmac_filter" 1251 #define DEVLINK_TRAP_GENERIC_NAME_EAPOL \ 1252 "eapol" 1253 #define DEVLINK_TRAP_GENERIC_NAME_LOCKED_PORT \ 1254 "locked_port" 1255 1256 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L2_DROPS \ 1257 "l2_drops" 1258 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_DROPS \ 1259 "l3_drops" 1260 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_EXCEPTIONS \ 1261 "l3_exceptions" 1262 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BUFFER_DROPS \ 1263 "buffer_drops" 1264 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_TUNNEL_DROPS \ 1265 "tunnel_drops" 1266 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_DROPS \ 1267 "acl_drops" 1268 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_STP \ 1269 "stp" 1270 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LACP \ 1271 "lacp" 1272 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LLDP \ 1273 "lldp" 1274 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_MC_SNOOPING \ 1275 "mc_snooping" 1276 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_DHCP \ 1277 "dhcp" 1278 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_NEIGH_DISCOVERY \ 1279 "neigh_discovery" 1280 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BFD \ 1281 "bfd" 1282 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_OSPF \ 1283 "ospf" 1284 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_BGP \ 1285 "bgp" 1286 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_VRRP \ 1287 "vrrp" 1288 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PIM \ 1289 "pim" 1290 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_UC_LB \ 1291 "uc_loopback" 1292 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_LOCAL_DELIVERY \ 1293 "local_delivery" 1294 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_EXTERNAL_DELIVERY \ 1295 "external_delivery" 1296 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_IPV6 \ 1297 "ipv6" 1298 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_EVENT \ 1299 "ptp_event" 1300 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_GENERAL \ 1301 "ptp_general" 1302 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_SAMPLE \ 1303 "acl_sample" 1304 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_TRAP \ 1305 "acl_trap" 1306 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_PARSER_ERROR_DROPS \ 1307 "parser_error_drops" 1308 #define DEVLINK_TRAP_GROUP_GENERIC_NAME_EAPOL \ 1309 "eapol" 1310 1311 #define DEVLINK_TRAP_GENERIC(_type, _init_action, _id, _group_id, \ 1312 _metadata_cap) \ 1313 { \ 1314 .type = DEVLINK_TRAP_TYPE_##_type, \ 1315 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \ 1316 .generic = true, \ 1317 .id = DEVLINK_TRAP_GENERIC_ID_##_id, \ 1318 .name = DEVLINK_TRAP_GENERIC_NAME_##_id, \ 1319 .init_group_id = _group_id, \ 1320 .metadata_cap = _metadata_cap, \ 1321 } 1322 1323 #define DEVLINK_TRAP_DRIVER(_type, _init_action, _id, _name, _group_id, \ 1324 _metadata_cap) \ 1325 { \ 1326 .type = DEVLINK_TRAP_TYPE_##_type, \ 1327 .init_action = DEVLINK_TRAP_ACTION_##_init_action, \ 1328 .generic = false, \ 1329 .id = _id, \ 1330 .name = _name, \ 1331 .init_group_id = _group_id, \ 1332 .metadata_cap = _metadata_cap, \ 1333 } 1334 1335 #define DEVLINK_TRAP_GROUP_GENERIC(_id, _policer_id) \ 1336 { \ 1337 .name = DEVLINK_TRAP_GROUP_GENERIC_NAME_##_id, \ 1338 .id = DEVLINK_TRAP_GROUP_GENERIC_ID_##_id, \ 1339 .generic = true, \ 1340 .init_policer_id = _policer_id, \ 1341 } 1342 1343 #define DEVLINK_TRAP_POLICER(_id, _rate, _burst, _max_rate, _min_rate, \ 1344 _max_burst, _min_burst) \ 1345 { \ 1346 .id = _id, \ 1347 .init_rate = _rate, \ 1348 .init_burst = _burst, \ 1349 .max_rate = _max_rate, \ 1350 .min_rate = _min_rate, \ 1351 .max_burst = _max_burst, \ 1352 .min_burst = _min_burst, \ 1353 } 1354 1355 #define devlink_fmsg_put(fmsg, name, value) ( \ 1356 _Generic((value), \ 1357 bool : devlink_fmsg_bool_pair_put, \ 1358 u8 : devlink_fmsg_u8_pair_put, \ 1359 u16 : devlink_fmsg_u32_pair_put, \ 1360 u32 : devlink_fmsg_u32_pair_put, \ 1361 u64 : devlink_fmsg_u64_pair_put, \ 1362 int : devlink_fmsg_u32_pair_put, \ 1363 char * : devlink_fmsg_string_pair_put, \ 1364 const char * : devlink_fmsg_string_pair_put) \ 1365 (fmsg, name, (value))) 1366 1367 enum { 1368 /* device supports reload operations */ 1369 DEVLINK_F_RELOAD = 1UL << 0, 1370 }; 1371 1372 struct devlink_ops { 1373 /** 1374 * @supported_flash_update_params: 1375 * mask of parameters supported by the driver's .flash_update 1376 * implementation. 1377 */ 1378 u32 supported_flash_update_params; 1379 unsigned long reload_actions; 1380 unsigned long reload_limits; 1381 int (*reload_down)(struct devlink *devlink, bool netns_change, 1382 enum devlink_reload_action action, 1383 enum devlink_reload_limit limit, 1384 struct netlink_ext_ack *extack); 1385 int (*reload_up)(struct devlink *devlink, enum devlink_reload_action action, 1386 enum devlink_reload_limit limit, u32 *actions_performed, 1387 struct netlink_ext_ack *extack); 1388 int (*sb_pool_get)(struct devlink *devlink, unsigned int sb_index, 1389 u16 pool_index, 1390 struct devlink_sb_pool_info *pool_info); 1391 int (*sb_pool_set)(struct devlink *devlink, unsigned int sb_index, 1392 u16 pool_index, u32 size, 1393 enum devlink_sb_threshold_type threshold_type, 1394 struct netlink_ext_ack *extack); 1395 int (*sb_port_pool_get)(struct devlink_port *devlink_port, 1396 unsigned int sb_index, u16 pool_index, 1397 u32 *p_threshold); 1398 int (*sb_port_pool_set)(struct devlink_port *devlink_port, 1399 unsigned int sb_index, u16 pool_index, 1400 u32 threshold, struct netlink_ext_ack *extack); 1401 int (*sb_tc_pool_bind_get)(struct devlink_port *devlink_port, 1402 unsigned int sb_index, 1403 u16 tc_index, 1404 enum devlink_sb_pool_type pool_type, 1405 u16 *p_pool_index, u32 *p_threshold); 1406 int (*sb_tc_pool_bind_set)(struct devlink_port *devlink_port, 1407 unsigned int sb_index, 1408 u16 tc_index, 1409 enum devlink_sb_pool_type pool_type, 1410 u16 pool_index, u32 threshold, 1411 struct netlink_ext_ack *extack); 1412 int (*sb_occ_snapshot)(struct devlink *devlink, 1413 unsigned int sb_index); 1414 int (*sb_occ_max_clear)(struct devlink *devlink, 1415 unsigned int sb_index); 1416 int (*sb_occ_port_pool_get)(struct devlink_port *devlink_port, 1417 unsigned int sb_index, u16 pool_index, 1418 u32 *p_cur, u32 *p_max); 1419 int (*sb_occ_tc_port_bind_get)(struct devlink_port *devlink_port, 1420 unsigned int sb_index, 1421 u16 tc_index, 1422 enum devlink_sb_pool_type pool_type, 1423 u32 *p_cur, u32 *p_max); 1424 1425 int (*eswitch_mode_get)(struct devlink *devlink, u16 *p_mode); 1426 int (*eswitch_mode_set)(struct devlink *devlink, u16 mode, 1427 struct netlink_ext_ack *extack); 1428 int (*eswitch_inline_mode_get)(struct devlink *devlink, u8 *p_inline_mode); 1429 int (*eswitch_inline_mode_set)(struct devlink *devlink, u8 inline_mode, 1430 struct netlink_ext_ack *extack); 1431 int (*eswitch_encap_mode_get)(struct devlink *devlink, 1432 enum devlink_eswitch_encap_mode *p_encap_mode); 1433 int (*eswitch_encap_mode_set)(struct devlink *devlink, 1434 enum devlink_eswitch_encap_mode encap_mode, 1435 struct netlink_ext_ack *extack); 1436 int (*info_get)(struct devlink *devlink, struct devlink_info_req *req, 1437 struct netlink_ext_ack *extack); 1438 /** 1439 * @flash_update: Device flash update function 1440 * 1441 * Used to perform a flash update for the device. The set of 1442 * parameters supported by the driver should be set in 1443 * supported_flash_update_params. 1444 */ 1445 int (*flash_update)(struct devlink *devlink, 1446 struct devlink_flash_update_params *params, 1447 struct netlink_ext_ack *extack); 1448 /** 1449 * @trap_init: Trap initialization function. 1450 * 1451 * Should be used by device drivers to initialize the trap in the 1452 * underlying device. Drivers should also store the provided trap 1453 * context, so that they could efficiently pass it to 1454 * devlink_trap_report() when the trap is triggered. 1455 */ 1456 int (*trap_init)(struct devlink *devlink, 1457 const struct devlink_trap *trap, void *trap_ctx); 1458 /** 1459 * @trap_fini: Trap de-initialization function. 1460 * 1461 * Should be used by device drivers to de-initialize the trap in the 1462 * underlying device. 1463 */ 1464 void (*trap_fini)(struct devlink *devlink, 1465 const struct devlink_trap *trap, void *trap_ctx); 1466 /** 1467 * @trap_action_set: Trap action set function. 1468 */ 1469 int (*trap_action_set)(struct devlink *devlink, 1470 const struct devlink_trap *trap, 1471 enum devlink_trap_action action, 1472 struct netlink_ext_ack *extack); 1473 /** 1474 * @trap_group_init: Trap group initialization function. 1475 * 1476 * Should be used by device drivers to initialize the trap group in the 1477 * underlying device. 1478 */ 1479 int (*trap_group_init)(struct devlink *devlink, 1480 const struct devlink_trap_group *group); 1481 /** 1482 * @trap_group_set: Trap group parameters set function. 1483 * 1484 * Note: @policer can be NULL when a policer is being unbound from 1485 * @group. 1486 */ 1487 int (*trap_group_set)(struct devlink *devlink, 1488 const struct devlink_trap_group *group, 1489 const struct devlink_trap_policer *policer, 1490 struct netlink_ext_ack *extack); 1491 /** 1492 * @trap_group_action_set: Trap group action set function. 1493 * 1494 * If this callback is populated, it will take precedence over looping 1495 * over all traps in a group and calling .trap_action_set(). 1496 */ 1497 int (*trap_group_action_set)(struct devlink *devlink, 1498 const struct devlink_trap_group *group, 1499 enum devlink_trap_action action, 1500 struct netlink_ext_ack *extack); 1501 /** 1502 * @trap_drop_counter_get: Trap drop counter get function. 1503 * 1504 * Should be used by device drivers to report number of packets 1505 * that have been dropped, and cannot be passed to the devlink 1506 * subsystem by the underlying device. 1507 */ 1508 int (*trap_drop_counter_get)(struct devlink *devlink, 1509 const struct devlink_trap *trap, 1510 u64 *p_drops); 1511 /** 1512 * @trap_policer_init: Trap policer initialization function. 1513 * 1514 * Should be used by device drivers to initialize the trap policer in 1515 * the underlying device. 1516 */ 1517 int (*trap_policer_init)(struct devlink *devlink, 1518 const struct devlink_trap_policer *policer); 1519 /** 1520 * @trap_policer_fini: Trap policer de-initialization function. 1521 * 1522 * Should be used by device drivers to de-initialize the trap policer 1523 * in the underlying device. 1524 */ 1525 void (*trap_policer_fini)(struct devlink *devlink, 1526 const struct devlink_trap_policer *policer); 1527 /** 1528 * @trap_policer_set: Trap policer parameters set function. 1529 */ 1530 int (*trap_policer_set)(struct devlink *devlink, 1531 const struct devlink_trap_policer *policer, 1532 u64 rate, u64 burst, 1533 struct netlink_ext_ack *extack); 1534 /** 1535 * @trap_policer_counter_get: Trap policer counter get function. 1536 * 1537 * Should be used by device drivers to report number of packets dropped 1538 * by the policer. 1539 */ 1540 int (*trap_policer_counter_get)(struct devlink *devlink, 1541 const struct devlink_trap_policer *policer, 1542 u64 *p_drops); 1543 /** 1544 * port_new() - Add a new port function of a specified flavor 1545 * @devlink: Devlink instance 1546 * @attrs: attributes of the new port 1547 * @extack: extack for reporting error messages 1548 * @devlink_port: pointer to store new devlink port pointer 1549 * 1550 * Devlink core will call this device driver function upon user request 1551 * to create a new port function of a specified flavor and optional 1552 * attributes 1553 * 1554 * Notes: 1555 * - On success, drivers must register a port with devlink core 1556 * 1557 * Return: 0 on success, negative value otherwise. 1558 */ 1559 int (*port_new)(struct devlink *devlink, 1560 const struct devlink_port_new_attrs *attrs, 1561 struct netlink_ext_ack *extack, 1562 struct devlink_port **devlink_port); 1563 1564 /** 1565 * Rate control callbacks. 1566 */ 1567 int (*rate_leaf_tx_share_set)(struct devlink_rate *devlink_rate, void *priv, 1568 u64 tx_share, struct netlink_ext_ack *extack); 1569 int (*rate_leaf_tx_max_set)(struct devlink_rate *devlink_rate, void *priv, 1570 u64 tx_max, struct netlink_ext_ack *extack); 1571 int (*rate_leaf_tx_priority_set)(struct devlink_rate *devlink_rate, void *priv, 1572 u32 tx_priority, struct netlink_ext_ack *extack); 1573 int (*rate_leaf_tx_weight_set)(struct devlink_rate *devlink_rate, void *priv, 1574 u32 tx_weight, struct netlink_ext_ack *extack); 1575 int (*rate_leaf_tc_bw_set)(struct devlink_rate *devlink_rate, 1576 void *priv, u32 *tc_bw, 1577 struct netlink_ext_ack *extack); 1578 int (*rate_node_tx_share_set)(struct devlink_rate *devlink_rate, void *priv, 1579 u64 tx_share, struct netlink_ext_ack *extack); 1580 int (*rate_node_tx_max_set)(struct devlink_rate *devlink_rate, void *priv, 1581 u64 tx_max, struct netlink_ext_ack *extack); 1582 int (*rate_node_tx_priority_set)(struct devlink_rate *devlink_rate, void *priv, 1583 u32 tx_priority, struct netlink_ext_ack *extack); 1584 int (*rate_node_tx_weight_set)(struct devlink_rate *devlink_rate, void *priv, 1585 u32 tx_weight, struct netlink_ext_ack *extack); 1586 int (*rate_node_tc_bw_set)(struct devlink_rate *devlink_rate, 1587 void *priv, u32 *tc_bw, 1588 struct netlink_ext_ack *extack); 1589 int (*rate_node_new)(struct devlink_rate *rate_node, void **priv, 1590 struct netlink_ext_ack *extack); 1591 int (*rate_node_del)(struct devlink_rate *rate_node, void *priv, 1592 struct netlink_ext_ack *extack); 1593 int (*rate_leaf_parent_set)(struct devlink_rate *child, 1594 struct devlink_rate *parent, 1595 void *priv_child, void *priv_parent, 1596 struct netlink_ext_ack *extack); 1597 int (*rate_node_parent_set)(struct devlink_rate *child, 1598 struct devlink_rate *parent, 1599 void *priv_child, void *priv_parent, 1600 struct netlink_ext_ack *extack); 1601 /* Indicates if cross-device rate nodes are supported. 1602 * This also requires a shared common ancestor object all devices that 1603 * could share rate nodes are nested in. 1604 * If enabled, rate operations may be called on an instance with only 1605 * the common ancestor lock held and *without that instance lock held*. 1606 * It is the driver's responsibility to ensure proper serialization 1607 * with other operations. 1608 */ 1609 bool supported_cross_device_rate_nodes; 1610 /** 1611 * selftests_check() - queries if selftest is supported 1612 * @devlink: devlink instance 1613 * @id: test index 1614 * @extack: extack for reporting error messages 1615 * 1616 * Return: true if test is supported by the driver 1617 */ 1618 bool (*selftest_check)(struct devlink *devlink, unsigned int id, 1619 struct netlink_ext_ack *extack); 1620 /** 1621 * selftest_run() - Runs a selftest 1622 * @devlink: devlink instance 1623 * @id: test index 1624 * @extack: extack for reporting error messages 1625 * 1626 * Return: status of the test 1627 */ 1628 enum devlink_selftest_status 1629 (*selftest_run)(struct devlink *devlink, unsigned int id, 1630 struct netlink_ext_ack *extack); 1631 }; 1632 1633 void *devlink_priv(struct devlink *devlink); 1634 struct devlink *priv_to_devlink(void *priv); 1635 struct device *devlink_to_dev(const struct devlink *devlink); 1636 const char *devlink_bus_name(const struct devlink *devlink); 1637 const char *devlink_dev_name(const struct devlink *devlink); 1638 const char *devlink_dev_driver_name(const struct devlink *devlink); 1639 1640 /* Devlink instance explicit locking */ 1641 void devl_lock(struct devlink *devlink); 1642 int devl_trylock(struct devlink *devlink); 1643 void devl_unlock(struct devlink *devlink); 1644 void devl_assert_locked(struct devlink *devlink); 1645 bool devl_lock_is_held(struct devlink *devlink); 1646 DEFINE_GUARD(devl, struct devlink *, devl_lock(_T), devl_unlock(_T)); 1647 1648 struct ib_device; 1649 1650 struct net *devlink_net(const struct devlink *devlink); 1651 /* This call is intended for software devices that can create 1652 * devlink instances in other namespaces than init_net. 1653 * 1654 * Drivers that operate on real HW must use devlink_alloc() instead. 1655 */ 1656 struct devlink *devlink_alloc_ns(const struct devlink_ops *ops, 1657 size_t priv_size, struct net *net, 1658 struct device *dev); 1659 static inline struct devlink *devlink_alloc(const struct devlink_ops *ops, 1660 size_t priv_size, 1661 struct device *dev) 1662 { 1663 return devlink_alloc_ns(ops, priv_size, &init_net, dev); 1664 } 1665 1666 int devl_register(struct devlink *devlink); 1667 void devl_unregister(struct devlink *devlink); 1668 void devlink_register(struct devlink *devlink); 1669 void devlink_unregister(struct devlink *devlink); 1670 void devlink_free(struct devlink *devlink); 1671 1672 struct devlink *devlink_shd_get(const char *id, 1673 const struct devlink_ops *ops, 1674 size_t priv_size, 1675 const struct device_driver *driver); 1676 void devlink_shd_put(struct devlink *devlink); 1677 void *devlink_shd_get_priv(struct devlink *devlink); 1678 1679 /** 1680 * struct devlink_port_ops - Port operations 1681 * @port_split: Callback used to split the port into multiple ones. 1682 * @port_unsplit: Callback used to unsplit the port group back into 1683 * a single port. 1684 * @port_type_set: Callback used to set a type of a port. 1685 * @port_del: Callback used to delete selected port along with related function. 1686 * Devlink core calls this upon user request to delete 1687 * a port previously created by devlink_ops->port_new(). 1688 * @port_fn_hw_addr_get: Callback used to set port function's hardware address. 1689 * Should be used by device drivers to report 1690 * the hardware address of a function managed 1691 * by the devlink port. 1692 * @port_fn_hw_addr_set: Callback used to set port function's hardware address. 1693 * Should be used by device drivers to set the hardware 1694 * address of a function managed by the devlink port. 1695 * @port_fn_roce_get: Callback used to get port function's RoCE capability. 1696 * Should be used by device drivers to report 1697 * the current state of RoCE capability of a function 1698 * managed by the devlink port. 1699 * @port_fn_roce_set: Callback used to set port function's RoCE capability. 1700 * Should be used by device drivers to enable/disable 1701 * RoCE capability of a function managed 1702 * by the devlink port. 1703 * @port_fn_migratable_get: Callback used to get port function's migratable 1704 * capability. Should be used by device drivers 1705 * to report the current state of migratable capability 1706 * of a function managed by the devlink port. 1707 * @port_fn_migratable_set: Callback used to set port function's migratable 1708 * capability. Should be used by device drivers 1709 * to enable/disable migratable capability of 1710 * a function managed by the devlink port. 1711 * @port_fn_state_get: Callback used to get port function's state. 1712 * Should be used by device drivers to report 1713 * the current admin and operational state of a 1714 * function managed by the devlink port. 1715 * @port_fn_state_set: Callback used to get port function's state. 1716 * Should be used by device drivers set 1717 * the admin state of a function managed 1718 * by the devlink port. 1719 * @port_fn_ipsec_crypto_get: Callback used to get port function's ipsec_crypto 1720 * capability. Should be used by device drivers 1721 * to report the current state of ipsec_crypto 1722 * capability of a function managed by the devlink 1723 * port. 1724 * @port_fn_ipsec_crypto_set: Callback used to set port function's ipsec_crypto 1725 * capability. Should be used by device drivers to 1726 * enable/disable ipsec_crypto capability of a 1727 * function managed by the devlink port. 1728 * @port_fn_ipsec_packet_get: Callback used to get port function's ipsec_packet 1729 * capability. Should be used by device drivers 1730 * to report the current state of ipsec_packet 1731 * capability of a function managed by the devlink 1732 * port. 1733 * @port_fn_ipsec_packet_set: Callback used to set port function's ipsec_packet 1734 * capability. Should be used by device drivers to 1735 * enable/disable ipsec_packet capability of a 1736 * function managed by the devlink port. 1737 * @port_fn_max_io_eqs_get: Callback used to get port function's maximum number 1738 * of event queues. Should be used by device drivers to 1739 * report the maximum event queues of a function 1740 * managed by the devlink port. 1741 * @port_fn_max_io_eqs_set: Callback used to set port function's maximum number 1742 * of event queues. Should be used by device drivers to 1743 * configure maximum number of event queues 1744 * of a function managed by the devlink port. 1745 * 1746 * Note: Driver should return -EOPNOTSUPP if it doesn't support 1747 * port function (@port_fn_*) handling for a particular port. 1748 */ 1749 struct devlink_port_ops { 1750 int (*port_split)(struct devlink *devlink, struct devlink_port *port, 1751 unsigned int count, struct netlink_ext_ack *extack); 1752 int (*port_unsplit)(struct devlink *devlink, struct devlink_port *port, 1753 struct netlink_ext_ack *extack); 1754 int (*port_type_set)(struct devlink_port *devlink_port, 1755 enum devlink_port_type port_type); 1756 int (*port_del)(struct devlink *devlink, struct devlink_port *port, 1757 struct netlink_ext_ack *extack); 1758 int (*port_fn_hw_addr_get)(struct devlink_port *port, u8 *hw_addr, 1759 int *hw_addr_len, 1760 struct netlink_ext_ack *extack); 1761 int (*port_fn_hw_addr_set)(struct devlink_port *port, 1762 const u8 *hw_addr, int hw_addr_len, 1763 struct netlink_ext_ack *extack); 1764 int (*port_fn_roce_get)(struct devlink_port *devlink_port, 1765 bool *is_enable, 1766 struct netlink_ext_ack *extack); 1767 int (*port_fn_roce_set)(struct devlink_port *devlink_port, 1768 bool enable, struct netlink_ext_ack *extack); 1769 int (*port_fn_migratable_get)(struct devlink_port *devlink_port, 1770 bool *is_enable, 1771 struct netlink_ext_ack *extack); 1772 int (*port_fn_migratable_set)(struct devlink_port *devlink_port, 1773 bool enable, 1774 struct netlink_ext_ack *extack); 1775 int (*port_fn_state_get)(struct devlink_port *port, 1776 enum devlink_port_fn_state *state, 1777 enum devlink_port_fn_opstate *opstate, 1778 struct netlink_ext_ack *extack); 1779 int (*port_fn_state_set)(struct devlink_port *port, 1780 enum devlink_port_fn_state state, 1781 struct netlink_ext_ack *extack); 1782 int (*port_fn_ipsec_crypto_get)(struct devlink_port *devlink_port, 1783 bool *is_enable, 1784 struct netlink_ext_ack *extack); 1785 int (*port_fn_ipsec_crypto_set)(struct devlink_port *devlink_port, 1786 bool enable, 1787 struct netlink_ext_ack *extack); 1788 int (*port_fn_ipsec_packet_get)(struct devlink_port *devlink_port, 1789 bool *is_enable, 1790 struct netlink_ext_ack *extack); 1791 int (*port_fn_ipsec_packet_set)(struct devlink_port *devlink_port, 1792 bool enable, 1793 struct netlink_ext_ack *extack); 1794 int (*port_fn_max_io_eqs_get)(struct devlink_port *devlink_port, 1795 u32 *max_eqs, 1796 struct netlink_ext_ack *extack); 1797 int (*port_fn_max_io_eqs_set)(struct devlink_port *devlink_port, 1798 u32 max_eqs, 1799 struct netlink_ext_ack *extack); 1800 }; 1801 1802 void devlink_port_init(struct devlink *devlink, 1803 struct devlink_port *devlink_port); 1804 void devlink_port_fini(struct devlink_port *devlink_port); 1805 1806 int devl_port_register_with_ops(struct devlink *devlink, 1807 struct devlink_port *devlink_port, 1808 unsigned int port_index, 1809 const struct devlink_port_ops *ops); 1810 1811 static inline int devl_port_register(struct devlink *devlink, 1812 struct devlink_port *devlink_port, 1813 unsigned int port_index) 1814 { 1815 return devl_port_register_with_ops(devlink, devlink_port, 1816 port_index, NULL); 1817 } 1818 1819 int devlink_port_register_with_ops(struct devlink *devlink, 1820 struct devlink_port *devlink_port, 1821 unsigned int port_index, 1822 const struct devlink_port_ops *ops); 1823 1824 static inline int devlink_port_register(struct devlink *devlink, 1825 struct devlink_port *devlink_port, 1826 unsigned int port_index) 1827 { 1828 return devlink_port_register_with_ops(devlink, devlink_port, 1829 port_index, NULL); 1830 } 1831 1832 void devl_port_unregister(struct devlink_port *devlink_port); 1833 void devlink_port_unregister(struct devlink_port *devlink_port); 1834 void devlink_port_type_eth_set(struct devlink_port *devlink_port); 1835 void devlink_port_type_ib_set(struct devlink_port *devlink_port, 1836 struct ib_device *ibdev); 1837 void devlink_port_type_clear(struct devlink_port *devlink_port); 1838 void devlink_port_attrs_set(struct devlink_port *devlink_port, 1839 const struct devlink_port_attrs *attrs); 1840 void devlink_port_attrs_pci_pf_set(struct devlink_port *devlink_port, u32 controller, 1841 u16 pf, bool external); 1842 void devlink_port_attrs_pci_vf_set(struct devlink_port *devlink_port, u32 controller, 1843 u16 pf, u16 vf, bool external); 1844 void devlink_port_attrs_pci_sf_set(struct devlink_port *devlink_port, 1845 u32 controller, u16 pf, u32 sf, 1846 bool external); 1847 int devl_port_fn_devlink_set(struct devlink_port *devlink_port, 1848 struct devlink *fn_devlink); 1849 struct devlink_rate * 1850 devl_rate_node_create(struct devlink *devlink, void *priv, char *node_name, 1851 struct devlink_rate *parent); 1852 int 1853 devl_rate_leaf_create(struct devlink_port *devlink_port, void *priv, 1854 struct devlink_rate *parent); 1855 void devl_rate_leaf_destroy(struct devlink_port *devlink_port); 1856 void devl_rate_nodes_destroy(struct devlink *devlink); 1857 void devlink_port_linecard_set(struct devlink_port *devlink_port, 1858 struct devlink_linecard *linecard); 1859 struct devlink_linecard * 1860 devl_linecard_create(struct devlink *devlink, unsigned int linecard_index, 1861 const struct devlink_linecard_ops *ops, void *priv); 1862 void devl_linecard_destroy(struct devlink_linecard *linecard); 1863 void devlink_linecard_provision_set(struct devlink_linecard *linecard, 1864 const char *type); 1865 void devlink_linecard_provision_clear(struct devlink_linecard *linecard); 1866 void devlink_linecard_provision_fail(struct devlink_linecard *linecard); 1867 void devlink_linecard_activate(struct devlink_linecard *linecard); 1868 void devlink_linecard_deactivate(struct devlink_linecard *linecard); 1869 int devlink_linecard_nested_dl_set(struct devlink_linecard *linecard, 1870 struct devlink *nested_devlink); 1871 int devl_sb_register(struct devlink *devlink, unsigned int sb_index, 1872 u32 size, u16 ingress_pools_count, 1873 u16 egress_pools_count, u16 ingress_tc_count, 1874 u16 egress_tc_count); 1875 int devlink_sb_register(struct devlink *devlink, unsigned int sb_index, 1876 u32 size, u16 ingress_pools_count, 1877 u16 egress_pools_count, u16 ingress_tc_count, 1878 u16 egress_tc_count); 1879 void devl_sb_unregister(struct devlink *devlink, unsigned int sb_index); 1880 void devlink_sb_unregister(struct devlink *devlink, unsigned int sb_index); 1881 int devl_dpipe_table_register(struct devlink *devlink, 1882 const char *table_name, 1883 const struct devlink_dpipe_table_ops *table_ops, 1884 void *priv, bool counter_control_extern); 1885 void devl_dpipe_table_unregister(struct devlink *devlink, 1886 const char *table_name); 1887 void devl_dpipe_headers_register(struct devlink *devlink, 1888 struct devlink_dpipe_headers *dpipe_headers); 1889 void devl_dpipe_headers_unregister(struct devlink *devlink); 1890 bool devlink_dpipe_table_counter_enabled(struct devlink *devlink, 1891 const char *table_name); 1892 int devlink_dpipe_entry_ctx_prepare(struct devlink_dpipe_dump_ctx *dump_ctx); 1893 int devlink_dpipe_entry_ctx_append(struct devlink_dpipe_dump_ctx *dump_ctx, 1894 struct devlink_dpipe_entry *entry); 1895 int devlink_dpipe_entry_ctx_close(struct devlink_dpipe_dump_ctx *dump_ctx); 1896 void devlink_dpipe_entry_clear(struct devlink_dpipe_entry *entry); 1897 int devlink_dpipe_action_put(struct sk_buff *skb, 1898 struct devlink_dpipe_action *action); 1899 int devlink_dpipe_match_put(struct sk_buff *skb, 1900 struct devlink_dpipe_match *match); 1901 extern struct devlink_dpipe_header devlink_dpipe_header_ethernet; 1902 extern struct devlink_dpipe_header devlink_dpipe_header_ipv4; 1903 extern struct devlink_dpipe_header devlink_dpipe_header_ipv6; 1904 1905 int devl_resource_register(struct devlink *devlink, 1906 const char *resource_name, 1907 u64 resource_size, 1908 u64 resource_id, 1909 u64 parent_resource_id, 1910 const struct devlink_resource_size_params *params); 1911 void devl_resources_unregister(struct devlink *devlink); 1912 void devlink_resources_unregister(struct devlink *devlink); 1913 int devl_resource_size_get(struct devlink *devlink, 1914 u64 resource_id, 1915 u64 *p_resource_size); 1916 int 1917 devl_port_resource_register(struct devlink_port *devlink_port, 1918 const char *resource_name, 1919 u64 resource_size, u64 resource_id, 1920 u64 parent_resource_id, 1921 const struct devlink_resource_size_params *params); 1922 void devl_port_resources_unregister(struct devlink_port *devlink_port); 1923 int devl_dpipe_table_resource_set(struct devlink *devlink, 1924 const char *table_name, u64 resource_id, 1925 u64 resource_units); 1926 void devl_resource_occ_get_register(struct devlink *devlink, 1927 u64 resource_id, 1928 devlink_resource_occ_get_t *occ_get, 1929 void *occ_get_priv); 1930 void devl_resource_occ_get_unregister(struct devlink *devlink, 1931 u64 resource_id); 1932 int devl_params_register(struct devlink *devlink, 1933 const struct devlink_param *params, 1934 size_t params_count); 1935 int devlink_params_register(struct devlink *devlink, 1936 const struct devlink_param *params, 1937 size_t params_count); 1938 void devl_params_unregister(struct devlink *devlink, 1939 const struct devlink_param *params, 1940 size_t params_count); 1941 void devlink_params_unregister(struct devlink *devlink, 1942 const struct devlink_param *params, 1943 size_t params_count); 1944 int devl_param_driverinit_value_get(struct devlink *devlink, u32 param_id, 1945 union devlink_param_value *val); 1946 void devl_param_driverinit_value_set(struct devlink *devlink, u32 param_id, 1947 union devlink_param_value *init_val); 1948 void devl_param_value_changed(struct devlink *devlink, u32 param_id); 1949 struct devlink_region *devl_region_create(struct devlink *devlink, 1950 const struct devlink_region_ops *ops, 1951 u32 region_max_snapshots, 1952 u64 region_size); 1953 struct devlink_region * 1954 devlink_region_create(struct devlink *devlink, 1955 const struct devlink_region_ops *ops, 1956 u32 region_max_snapshots, u64 region_size); 1957 struct devlink_region * 1958 devlink_port_region_create(struct devlink_port *port, 1959 const struct devlink_port_region_ops *ops, 1960 u32 region_max_snapshots, u64 region_size); 1961 void devl_region_destroy(struct devlink_region *region); 1962 void devlink_region_destroy(struct devlink_region *region); 1963 int devlink_region_snapshot_id_get(struct devlink *devlink, u32 *id); 1964 void devlink_region_snapshot_id_put(struct devlink *devlink, u32 id); 1965 int devlink_region_snapshot_create(struct devlink_region *region, 1966 u8 *data, u32 snapshot_id); 1967 int devlink_info_serial_number_put(struct devlink_info_req *req, 1968 const char *sn); 1969 int devlink_info_board_serial_number_put(struct devlink_info_req *req, 1970 const char *bsn); 1971 1972 enum devlink_info_version_type { 1973 DEVLINK_INFO_VERSION_TYPE_NONE, 1974 DEVLINK_INFO_VERSION_TYPE_COMPONENT, /* May be used as flash update 1975 * component by name. 1976 */ 1977 }; 1978 1979 int devlink_info_version_fixed_put(struct devlink_info_req *req, 1980 const char *version_name, 1981 const char *version_value); 1982 int devlink_info_version_stored_put(struct devlink_info_req *req, 1983 const char *version_name, 1984 const char *version_value); 1985 int devlink_info_version_stored_put_ext(struct devlink_info_req *req, 1986 const char *version_name, 1987 const char *version_value, 1988 enum devlink_info_version_type version_type); 1989 int devlink_info_version_running_put(struct devlink_info_req *req, 1990 const char *version_name, 1991 const char *version_value); 1992 int devlink_info_version_running_put_ext(struct devlink_info_req *req, 1993 const char *version_name, 1994 const char *version_value, 1995 enum devlink_info_version_type version_type); 1996 1997 void devlink_fmsg_obj_nest_start(struct devlink_fmsg *fmsg); 1998 void devlink_fmsg_obj_nest_end(struct devlink_fmsg *fmsg); 1999 2000 void devlink_fmsg_pair_nest_start(struct devlink_fmsg *fmsg, const char *name); 2001 void devlink_fmsg_pair_nest_end(struct devlink_fmsg *fmsg); 2002 2003 void devlink_fmsg_arr_pair_nest_start(struct devlink_fmsg *fmsg, 2004 const char *name); 2005 void devlink_fmsg_arr_pair_nest_end(struct devlink_fmsg *fmsg); 2006 void devlink_fmsg_binary_pair_nest_start(struct devlink_fmsg *fmsg, 2007 const char *name); 2008 void devlink_fmsg_binary_pair_nest_end(struct devlink_fmsg *fmsg); 2009 2010 void devlink_fmsg_u32_put(struct devlink_fmsg *fmsg, u32 value); 2011 void devlink_fmsg_string_put(struct devlink_fmsg *fmsg, const char *value); 2012 void devlink_fmsg_binary_put(struct devlink_fmsg *fmsg, const void *value, 2013 u16 value_len); 2014 2015 void devlink_fmsg_bool_pair_put(struct devlink_fmsg *fmsg, const char *name, 2016 bool value); 2017 void devlink_fmsg_u8_pair_put(struct devlink_fmsg *fmsg, const char *name, 2018 u8 value); 2019 void devlink_fmsg_u32_pair_put(struct devlink_fmsg *fmsg, const char *name, 2020 u32 value); 2021 void devlink_fmsg_u64_pair_put(struct devlink_fmsg *fmsg, const char *name, 2022 u64 value); 2023 void devlink_fmsg_string_pair_put(struct devlink_fmsg *fmsg, const char *name, 2024 const char *value); 2025 void devlink_fmsg_binary_pair_put(struct devlink_fmsg *fmsg, const char *name, 2026 const void *value, u32 value_len); 2027 2028 struct devlink_health_reporter * 2029 devl_port_health_reporter_create(struct devlink_port *port, 2030 const struct devlink_health_reporter_ops *ops, 2031 void *priv); 2032 2033 struct devlink_health_reporter * 2034 devlink_port_health_reporter_create(struct devlink_port *port, 2035 const struct devlink_health_reporter_ops *ops, 2036 void *priv); 2037 2038 struct devlink_health_reporter * 2039 devl_health_reporter_create(struct devlink *devlink, 2040 const struct devlink_health_reporter_ops *ops, 2041 void *priv); 2042 2043 struct devlink_health_reporter * 2044 devlink_health_reporter_create(struct devlink *devlink, 2045 const struct devlink_health_reporter_ops *ops, 2046 void *priv); 2047 2048 void 2049 devl_health_reporter_destroy(struct devlink_health_reporter *reporter); 2050 2051 void 2052 devlink_health_reporter_destroy(struct devlink_health_reporter *reporter); 2053 2054 void * 2055 devlink_health_reporter_priv(struct devlink_health_reporter *reporter); 2056 int devlink_health_report(struct devlink_health_reporter *reporter, 2057 const char *msg, void *priv_ctx); 2058 void 2059 devlink_health_reporter_state_update(struct devlink_health_reporter *reporter, 2060 enum devlink_health_reporter_state state); 2061 void 2062 devlink_health_reporter_recovery_done(struct devlink_health_reporter *reporter); 2063 2064 int devl_nested_devlink_set(struct devlink *devlink, 2065 struct devlink *nested_devlink); 2066 bool devlink_is_reload_failed(const struct devlink *devlink); 2067 void devlink_remote_reload_actions_performed(struct devlink *devlink, 2068 enum devlink_reload_limit limit, 2069 u32 actions_performed); 2070 2071 void devlink_flash_update_status_notify(struct devlink *devlink, 2072 const char *status_msg, 2073 const char *component, 2074 unsigned long done, 2075 unsigned long total); 2076 void devlink_flash_update_timeout_notify(struct devlink *devlink, 2077 const char *status_msg, 2078 const char *component, 2079 unsigned long timeout); 2080 2081 int devl_traps_register(struct devlink *devlink, 2082 const struct devlink_trap *traps, 2083 size_t traps_count, void *priv); 2084 int devlink_traps_register(struct devlink *devlink, 2085 const struct devlink_trap *traps, 2086 size_t traps_count, void *priv); 2087 void devl_traps_unregister(struct devlink *devlink, 2088 const struct devlink_trap *traps, 2089 size_t traps_count); 2090 void devlink_traps_unregister(struct devlink *devlink, 2091 const struct devlink_trap *traps, 2092 size_t traps_count); 2093 void devlink_trap_report(struct devlink *devlink, struct sk_buff *skb, 2094 void *trap_ctx, struct devlink_port *in_devlink_port, 2095 const struct flow_action_cookie *fa_cookie); 2096 void *devlink_trap_ctx_priv(void *trap_ctx); 2097 int devl_trap_groups_register(struct devlink *devlink, 2098 const struct devlink_trap_group *groups, 2099 size_t groups_count); 2100 int devlink_trap_groups_register(struct devlink *devlink, 2101 const struct devlink_trap_group *groups, 2102 size_t groups_count); 2103 void devl_trap_groups_unregister(struct devlink *devlink, 2104 const struct devlink_trap_group *groups, 2105 size_t groups_count); 2106 void devlink_trap_groups_unregister(struct devlink *devlink, 2107 const struct devlink_trap_group *groups, 2108 size_t groups_count); 2109 int 2110 devl_trap_policers_register(struct devlink *devlink, 2111 const struct devlink_trap_policer *policers, 2112 size_t policers_count); 2113 void 2114 devl_trap_policers_unregister(struct devlink *devlink, 2115 const struct devlink_trap_policer *policers, 2116 size_t policers_count); 2117 2118 #if IS_ENABLED(CONFIG_NET_DEVLINK) 2119 2120 struct devlink *__must_check devlink_try_get(struct devlink *devlink); 2121 void devlink_put(struct devlink *devlink); 2122 2123 void devlink_compat_running_version(struct devlink *devlink, 2124 char *buf, size_t len); 2125 int devlink_compat_flash_update(struct devlink *devlink, const char *file_name); 2126 int devlink_compat_phys_port_name_get(struct net_device *dev, 2127 char *name, size_t len); 2128 int devlink_compat_switch_id_get(struct net_device *dev, 2129 struct netdev_phys_item_id *ppid); 2130 2131 int devlink_nl_port_handle_fill(struct sk_buff *msg, struct devlink_port *devlink_port); 2132 size_t devlink_nl_port_handle_size(struct devlink_port *devlink_port); 2133 void devlink_fmsg_dump_skb(struct devlink_fmsg *fmsg, const struct sk_buff *skb); 2134 2135 #else 2136 2137 static inline struct devlink *devlink_try_get(struct devlink *devlink) 2138 { 2139 return NULL; 2140 } 2141 2142 static inline void devlink_put(struct devlink *devlink) 2143 { 2144 } 2145 2146 static inline void 2147 devlink_compat_running_version(struct devlink *devlink, char *buf, size_t len) 2148 { 2149 } 2150 2151 static inline int 2152 devlink_compat_flash_update(struct devlink *devlink, const char *file_name) 2153 { 2154 return -EOPNOTSUPP; 2155 } 2156 2157 static inline int 2158 devlink_compat_phys_port_name_get(struct net_device *dev, 2159 char *name, size_t len) 2160 { 2161 return -EOPNOTSUPP; 2162 } 2163 2164 static inline int 2165 devlink_compat_switch_id_get(struct net_device *dev, 2166 struct netdev_phys_item_id *ppid) 2167 { 2168 return -EOPNOTSUPP; 2169 } 2170 2171 static inline int 2172 devlink_nl_port_handle_fill(struct sk_buff *msg, struct devlink_port *devlink_port) 2173 { 2174 return 0; 2175 } 2176 2177 static inline size_t devlink_nl_port_handle_size(struct devlink_port *devlink_port) 2178 { 2179 return 0; 2180 } 2181 2182 #endif 2183 2184 #endif /* _NET_DEVLINK_H_ */ 2185