1 /* 2 * include/net/devlink.h - Network physical device Netlink interface 3 * Copyright (c) 2016 Mellanox Technologies. All rights reserved. 4 * Copyright (c) 2016 Jiri Pirko <jiri@mellanox.com> 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 */ 11 #ifndef _NET_DEVLINK_H_ 12 #define _NET_DEVLINK_H_ 13 14 #include <linux/device.h> 15 #include <linux/slab.h> 16 #include <linux/gfp.h> 17 #include <linux/list.h> 18 #include <linux/netdevice.h> 19 #include <net/net_namespace.h> 20 #include <uapi/linux/devlink.h> 21 22 struct devlink_ops; 23 24 struct devlink { 25 struct list_head list; 26 struct list_head port_list; 27 struct list_head sb_list; 28 struct list_head dpipe_table_list; 29 struct list_head resource_list; 30 struct list_head param_list; 31 struct devlink_dpipe_headers *dpipe_headers; 32 const struct devlink_ops *ops; 33 struct device *dev; 34 possible_net_t _net; 35 struct mutex lock; 36 char priv[0] __aligned(NETDEV_ALIGN); 37 }; 38 39 struct devlink_port_attrs { 40 bool set; 41 enum devlink_port_flavour flavour; 42 u32 port_number; /* same value as "split group" */ 43 bool split; 44 u32 split_subport_number; 45 }; 46 47 struct devlink_port { 48 struct list_head list; 49 struct devlink *devlink; 50 unsigned index; 51 bool registered; 52 enum devlink_port_type type; 53 enum devlink_port_type desired_type; 54 void *type_dev; 55 struct devlink_port_attrs attrs; 56 }; 57 58 struct devlink_sb_pool_info { 59 enum devlink_sb_pool_type pool_type; 60 u32 size; 61 enum devlink_sb_threshold_type threshold_type; 62 }; 63 64 /** 65 * struct devlink_dpipe_field - dpipe field object 66 * @name: field name 67 * @id: index inside the headers field array 68 * @bitwidth: bitwidth 69 * @mapping_type: mapping type 70 */ 71 struct devlink_dpipe_field { 72 const char *name; 73 unsigned int id; 74 unsigned int bitwidth; 75 enum devlink_dpipe_field_mapping_type mapping_type; 76 }; 77 78 /** 79 * struct devlink_dpipe_header - dpipe header object 80 * @name: header name 81 * @id: index, global/local detrmined by global bit 82 * @fields: fields 83 * @fields_count: number of fields 84 * @global: indicates if header is shared like most protocol header 85 * or driver specific 86 */ 87 struct devlink_dpipe_header { 88 const char *name; 89 unsigned int id; 90 struct devlink_dpipe_field *fields; 91 unsigned int fields_count; 92 bool global; 93 }; 94 95 /** 96 * struct devlink_dpipe_match - represents match operation 97 * @type: type of match 98 * @header_index: header index (packets can have several headers of same 99 * type like in case of tunnels) 100 * @header: header 101 * @fieled_id: field index 102 */ 103 struct devlink_dpipe_match { 104 enum devlink_dpipe_match_type type; 105 unsigned int header_index; 106 struct devlink_dpipe_header *header; 107 unsigned int field_id; 108 }; 109 110 /** 111 * struct devlink_dpipe_action - represents action operation 112 * @type: type of action 113 * @header_index: header index (packets can have several headers of same 114 * type like in case of tunnels) 115 * @header: header 116 * @fieled_id: field index 117 */ 118 struct devlink_dpipe_action { 119 enum devlink_dpipe_action_type type; 120 unsigned int header_index; 121 struct devlink_dpipe_header *header; 122 unsigned int field_id; 123 }; 124 125 /** 126 * struct devlink_dpipe_value - represents value of match/action 127 * @action: action 128 * @match: match 129 * @mapping_value: in case the field has some mapping this value 130 * specified the mapping value 131 * @mapping_valid: specify if mapping value is valid 132 * @value_size: value size 133 * @value: value 134 * @mask: bit mask 135 */ 136 struct devlink_dpipe_value { 137 union { 138 struct devlink_dpipe_action *action; 139 struct devlink_dpipe_match *match; 140 }; 141 unsigned int mapping_value; 142 bool mapping_valid; 143 unsigned int value_size; 144 void *value; 145 void *mask; 146 }; 147 148 /** 149 * struct devlink_dpipe_entry - table entry object 150 * @index: index of the entry in the table 151 * @match_values: match values 152 * @matche_values_count: count of matches tuples 153 * @action_values: actions values 154 * @action_values_count: count of actions values 155 * @counter: value of counter 156 * @counter_valid: Specify if value is valid from hardware 157 */ 158 struct devlink_dpipe_entry { 159 u64 index; 160 struct devlink_dpipe_value *match_values; 161 unsigned int match_values_count; 162 struct devlink_dpipe_value *action_values; 163 unsigned int action_values_count; 164 u64 counter; 165 bool counter_valid; 166 }; 167 168 /** 169 * struct devlink_dpipe_dump_ctx - context provided to driver in order 170 * to dump 171 * @info: info 172 * @cmd: devlink command 173 * @skb: skb 174 * @nest: top attribute 175 * @hdr: hdr 176 */ 177 struct devlink_dpipe_dump_ctx { 178 struct genl_info *info; 179 enum devlink_command cmd; 180 struct sk_buff *skb; 181 struct nlattr *nest; 182 void *hdr; 183 }; 184 185 struct devlink_dpipe_table_ops; 186 187 /** 188 * struct devlink_dpipe_table - table object 189 * @priv: private 190 * @name: table name 191 * @counters_enabled: indicates if counters are active 192 * @counter_control_extern: indicates if counter control is in dpipe or 193 * external tool 194 * @resource_valid: Indicate that the resource id is valid 195 * @resource_id: relative resource this table is related to 196 * @resource_units: number of resource's unit consumed per table's entry 197 * @table_ops: table operations 198 * @rcu: rcu 199 */ 200 struct devlink_dpipe_table { 201 void *priv; 202 struct list_head list; 203 const char *name; 204 bool counters_enabled; 205 bool counter_control_extern; 206 bool resource_valid; 207 u64 resource_id; 208 u64 resource_units; 209 struct devlink_dpipe_table_ops *table_ops; 210 struct rcu_head rcu; 211 }; 212 213 /** 214 * struct devlink_dpipe_table_ops - dpipe_table ops 215 * @actions_dump - dumps all tables actions 216 * @matches_dump - dumps all tables matches 217 * @entries_dump - dumps all active entries in the table 218 * @counters_set_update - when changing the counter status hardware sync 219 * maybe needed to allocate/free counter related 220 * resources 221 * @size_get - get size 222 */ 223 struct devlink_dpipe_table_ops { 224 int (*actions_dump)(void *priv, struct sk_buff *skb); 225 int (*matches_dump)(void *priv, struct sk_buff *skb); 226 int (*entries_dump)(void *priv, bool counters_enabled, 227 struct devlink_dpipe_dump_ctx *dump_ctx); 228 int (*counters_set_update)(void *priv, bool enable); 229 u64 (*size_get)(void *priv); 230 }; 231 232 /** 233 * struct devlink_dpipe_headers - dpipe headers 234 * @headers - header array can be shared (global bit) or driver specific 235 * @headers_count - count of headers 236 */ 237 struct devlink_dpipe_headers { 238 struct devlink_dpipe_header **headers; 239 unsigned int headers_count; 240 }; 241 242 /** 243 * struct devlink_resource_size_params - resource's size parameters 244 * @size_min: minimum size which can be set 245 * @size_max: maximum size which can be set 246 * @size_granularity: size granularity 247 * @size_unit: resource's basic unit 248 */ 249 struct devlink_resource_size_params { 250 u64 size_min; 251 u64 size_max; 252 u64 size_granularity; 253 enum devlink_resource_unit unit; 254 }; 255 256 static inline void 257 devlink_resource_size_params_init(struct devlink_resource_size_params *size_params, 258 u64 size_min, u64 size_max, 259 u64 size_granularity, 260 enum devlink_resource_unit unit) 261 { 262 size_params->size_min = size_min; 263 size_params->size_max = size_max; 264 size_params->size_granularity = size_granularity; 265 size_params->unit = unit; 266 } 267 268 typedef u64 devlink_resource_occ_get_t(void *priv); 269 270 /** 271 * struct devlink_resource - devlink resource 272 * @name: name of the resource 273 * @id: id, per devlink instance 274 * @size: size of the resource 275 * @size_new: updated size of the resource, reload is needed 276 * @size_valid: valid in case the total size of the resource is valid 277 * including its children 278 * @parent: parent resource 279 * @size_params: size parameters 280 * @list: parent list 281 * @resource_list: list of child resources 282 */ 283 struct devlink_resource { 284 const char *name; 285 u64 id; 286 u64 size; 287 u64 size_new; 288 bool size_valid; 289 struct devlink_resource *parent; 290 struct devlink_resource_size_params size_params; 291 struct list_head list; 292 struct list_head resource_list; 293 devlink_resource_occ_get_t *occ_get; 294 void *occ_get_priv; 295 }; 296 297 #define DEVLINK_RESOURCE_ID_PARENT_TOP 0 298 299 #define DEVLINK_PARAM_MAX_STRING_VALUE 32 300 enum devlink_param_type { 301 DEVLINK_PARAM_TYPE_U8, 302 DEVLINK_PARAM_TYPE_U16, 303 DEVLINK_PARAM_TYPE_U32, 304 DEVLINK_PARAM_TYPE_STRING, 305 DEVLINK_PARAM_TYPE_BOOL, 306 }; 307 308 union devlink_param_value { 309 u8 vu8; 310 u16 vu16; 311 u32 vu32; 312 const char *vstr; 313 bool vbool; 314 }; 315 316 struct devlink_param_gset_ctx { 317 union devlink_param_value val; 318 enum devlink_param_cmode cmode; 319 }; 320 321 /** 322 * struct devlink_param - devlink configuration parameter data 323 * @name: name of the parameter 324 * @generic: indicates if the parameter is generic or driver specific 325 * @type: parameter type 326 * @supported_cmodes: bitmap of supported configuration modes 327 * @get: get parameter value, used for runtime and permanent 328 * configuration modes 329 * @set: set parameter value, used for runtime and permanent 330 * configuration modes 331 * @validate: validate input value is applicable (within value range, etc.) 332 * 333 * This struct should be used by the driver to fill the data for 334 * a parameter it registers. 335 */ 336 struct devlink_param { 337 u32 id; 338 const char *name; 339 bool generic; 340 enum devlink_param_type type; 341 unsigned long supported_cmodes; 342 int (*get)(struct devlink *devlink, u32 id, 343 struct devlink_param_gset_ctx *ctx); 344 int (*set)(struct devlink *devlink, u32 id, 345 struct devlink_param_gset_ctx *ctx); 346 int (*validate)(struct devlink *devlink, u32 id, 347 union devlink_param_value val, 348 struct netlink_ext_ack *extack); 349 }; 350 351 struct devlink_param_item { 352 struct list_head list; 353 const struct devlink_param *param; 354 union devlink_param_value driverinit_value; 355 bool driverinit_value_valid; 356 }; 357 358 enum devlink_param_generic_id { 359 DEVLINK_PARAM_GENERIC_ID_INT_ERR_RESET, 360 DEVLINK_PARAM_GENERIC_ID_MAX_MACS, 361 DEVLINK_PARAM_GENERIC_ID_ENABLE_SRIOV, 362 363 /* add new param generic ids above here*/ 364 __DEVLINK_PARAM_GENERIC_ID_MAX, 365 DEVLINK_PARAM_GENERIC_ID_MAX = __DEVLINK_PARAM_GENERIC_ID_MAX - 1, 366 }; 367 368 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_NAME "internal_error_reset" 369 #define DEVLINK_PARAM_GENERIC_INT_ERR_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL 370 371 #define DEVLINK_PARAM_GENERIC_MAX_MACS_NAME "max_macs" 372 #define DEVLINK_PARAM_GENERIC_MAX_MACS_TYPE DEVLINK_PARAM_TYPE_U32 373 374 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_NAME "enable_sriov" 375 #define DEVLINK_PARAM_GENERIC_ENABLE_SRIOV_TYPE DEVLINK_PARAM_TYPE_BOOL 376 377 #define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate) \ 378 { \ 379 .id = DEVLINK_PARAM_GENERIC_ID_##_id, \ 380 .name = DEVLINK_PARAM_GENERIC_##_id##_NAME, \ 381 .type = DEVLINK_PARAM_GENERIC_##_id##_TYPE, \ 382 .generic = true, \ 383 .supported_cmodes = _cmodes, \ 384 .get = _get, \ 385 .set = _set, \ 386 .validate = _validate, \ 387 } 388 389 #define DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, _get, _set, _validate) \ 390 { \ 391 .id = _id, \ 392 .name = _name, \ 393 .type = _type, \ 394 .supported_cmodes = _cmodes, \ 395 .get = _get, \ 396 .set = _set, \ 397 .validate = _validate, \ 398 } 399 400 struct devlink_ops { 401 int (*reload)(struct devlink *devlink, struct netlink_ext_ack *extack); 402 int (*port_type_set)(struct devlink_port *devlink_port, 403 enum devlink_port_type port_type); 404 int (*port_split)(struct devlink *devlink, unsigned int port_index, 405 unsigned int count, struct netlink_ext_ack *extack); 406 int (*port_unsplit)(struct devlink *devlink, unsigned int port_index, 407 struct netlink_ext_ack *extack); 408 int (*sb_pool_get)(struct devlink *devlink, unsigned int sb_index, 409 u16 pool_index, 410 struct devlink_sb_pool_info *pool_info); 411 int (*sb_pool_set)(struct devlink *devlink, unsigned int sb_index, 412 u16 pool_index, u32 size, 413 enum devlink_sb_threshold_type threshold_type); 414 int (*sb_port_pool_get)(struct devlink_port *devlink_port, 415 unsigned int sb_index, u16 pool_index, 416 u32 *p_threshold); 417 int (*sb_port_pool_set)(struct devlink_port *devlink_port, 418 unsigned int sb_index, u16 pool_index, 419 u32 threshold); 420 int (*sb_tc_pool_bind_get)(struct devlink_port *devlink_port, 421 unsigned int sb_index, 422 u16 tc_index, 423 enum devlink_sb_pool_type pool_type, 424 u16 *p_pool_index, u32 *p_threshold); 425 int (*sb_tc_pool_bind_set)(struct devlink_port *devlink_port, 426 unsigned int sb_index, 427 u16 tc_index, 428 enum devlink_sb_pool_type pool_type, 429 u16 pool_index, u32 threshold); 430 int (*sb_occ_snapshot)(struct devlink *devlink, 431 unsigned int sb_index); 432 int (*sb_occ_max_clear)(struct devlink *devlink, 433 unsigned int sb_index); 434 int (*sb_occ_port_pool_get)(struct devlink_port *devlink_port, 435 unsigned int sb_index, u16 pool_index, 436 u32 *p_cur, u32 *p_max); 437 int (*sb_occ_tc_port_bind_get)(struct devlink_port *devlink_port, 438 unsigned int sb_index, 439 u16 tc_index, 440 enum devlink_sb_pool_type pool_type, 441 u32 *p_cur, u32 *p_max); 442 443 int (*eswitch_mode_get)(struct devlink *devlink, u16 *p_mode); 444 int (*eswitch_mode_set)(struct devlink *devlink, u16 mode); 445 int (*eswitch_inline_mode_get)(struct devlink *devlink, u8 *p_inline_mode); 446 int (*eswitch_inline_mode_set)(struct devlink *devlink, u8 inline_mode); 447 int (*eswitch_encap_mode_get)(struct devlink *devlink, u8 *p_encap_mode); 448 int (*eswitch_encap_mode_set)(struct devlink *devlink, u8 encap_mode); 449 }; 450 451 static inline void *devlink_priv(struct devlink *devlink) 452 { 453 BUG_ON(!devlink); 454 return &devlink->priv; 455 } 456 457 static inline struct devlink *priv_to_devlink(void *priv) 458 { 459 BUG_ON(!priv); 460 return container_of(priv, struct devlink, priv); 461 } 462 463 struct ib_device; 464 465 #if IS_ENABLED(CONFIG_NET_DEVLINK) 466 467 struct devlink *devlink_alloc(const struct devlink_ops *ops, size_t priv_size); 468 int devlink_register(struct devlink *devlink, struct device *dev); 469 void devlink_unregister(struct devlink *devlink); 470 void devlink_free(struct devlink *devlink); 471 int devlink_port_register(struct devlink *devlink, 472 struct devlink_port *devlink_port, 473 unsigned int port_index); 474 void devlink_port_unregister(struct devlink_port *devlink_port); 475 void devlink_port_type_eth_set(struct devlink_port *devlink_port, 476 struct net_device *netdev); 477 void devlink_port_type_ib_set(struct devlink_port *devlink_port, 478 struct ib_device *ibdev); 479 void devlink_port_type_clear(struct devlink_port *devlink_port); 480 void devlink_port_attrs_set(struct devlink_port *devlink_port, 481 enum devlink_port_flavour flavour, 482 u32 port_number, bool split, 483 u32 split_subport_number); 484 int devlink_port_get_phys_port_name(struct devlink_port *devlink_port, 485 char *name, size_t len); 486 int devlink_sb_register(struct devlink *devlink, unsigned int sb_index, 487 u32 size, u16 ingress_pools_count, 488 u16 egress_pools_count, u16 ingress_tc_count, 489 u16 egress_tc_count); 490 void devlink_sb_unregister(struct devlink *devlink, unsigned int sb_index); 491 int devlink_dpipe_table_register(struct devlink *devlink, 492 const char *table_name, 493 struct devlink_dpipe_table_ops *table_ops, 494 void *priv, bool counter_control_extern); 495 void devlink_dpipe_table_unregister(struct devlink *devlink, 496 const char *table_name); 497 int devlink_dpipe_headers_register(struct devlink *devlink, 498 struct devlink_dpipe_headers *dpipe_headers); 499 void devlink_dpipe_headers_unregister(struct devlink *devlink); 500 bool devlink_dpipe_table_counter_enabled(struct devlink *devlink, 501 const char *table_name); 502 int devlink_dpipe_entry_ctx_prepare(struct devlink_dpipe_dump_ctx *dump_ctx); 503 int devlink_dpipe_entry_ctx_append(struct devlink_dpipe_dump_ctx *dump_ctx, 504 struct devlink_dpipe_entry *entry); 505 int devlink_dpipe_entry_ctx_close(struct devlink_dpipe_dump_ctx *dump_ctx); 506 void devlink_dpipe_entry_clear(struct devlink_dpipe_entry *entry); 507 int devlink_dpipe_action_put(struct sk_buff *skb, 508 struct devlink_dpipe_action *action); 509 int devlink_dpipe_match_put(struct sk_buff *skb, 510 struct devlink_dpipe_match *match); 511 extern struct devlink_dpipe_header devlink_dpipe_header_ethernet; 512 extern struct devlink_dpipe_header devlink_dpipe_header_ipv4; 513 extern struct devlink_dpipe_header devlink_dpipe_header_ipv6; 514 515 int devlink_resource_register(struct devlink *devlink, 516 const char *resource_name, 517 u64 resource_size, 518 u64 resource_id, 519 u64 parent_resource_id, 520 const struct devlink_resource_size_params *size_params); 521 void devlink_resources_unregister(struct devlink *devlink, 522 struct devlink_resource *resource); 523 int devlink_resource_size_get(struct devlink *devlink, 524 u64 resource_id, 525 u64 *p_resource_size); 526 int devlink_dpipe_table_resource_set(struct devlink *devlink, 527 const char *table_name, u64 resource_id, 528 u64 resource_units); 529 void devlink_resource_occ_get_register(struct devlink *devlink, 530 u64 resource_id, 531 devlink_resource_occ_get_t *occ_get, 532 void *occ_get_priv); 533 void devlink_resource_occ_get_unregister(struct devlink *devlink, 534 u64 resource_id); 535 int devlink_params_register(struct devlink *devlink, 536 const struct devlink_param *params, 537 size_t params_count); 538 void devlink_params_unregister(struct devlink *devlink, 539 const struct devlink_param *params, 540 size_t params_count); 541 int devlink_param_driverinit_value_get(struct devlink *devlink, u32 param_id, 542 union devlink_param_value *init_val); 543 int devlink_param_driverinit_value_set(struct devlink *devlink, u32 param_id, 544 union devlink_param_value init_val); 545 void devlink_param_value_changed(struct devlink *devlink, u32 param_id); 546 547 #else 548 549 static inline struct devlink *devlink_alloc(const struct devlink_ops *ops, 550 size_t priv_size) 551 { 552 return kzalloc(sizeof(struct devlink) + priv_size, GFP_KERNEL); 553 } 554 555 static inline int devlink_register(struct devlink *devlink, struct device *dev) 556 { 557 return 0; 558 } 559 560 static inline void devlink_unregister(struct devlink *devlink) 561 { 562 } 563 564 static inline void devlink_free(struct devlink *devlink) 565 { 566 kfree(devlink); 567 } 568 569 static inline int devlink_port_register(struct devlink *devlink, 570 struct devlink_port *devlink_port, 571 unsigned int port_index) 572 { 573 return 0; 574 } 575 576 static inline void devlink_port_unregister(struct devlink_port *devlink_port) 577 { 578 } 579 580 static inline void devlink_port_type_eth_set(struct devlink_port *devlink_port, 581 struct net_device *netdev) 582 { 583 } 584 585 static inline void devlink_port_type_ib_set(struct devlink_port *devlink_port, 586 struct ib_device *ibdev) 587 { 588 } 589 590 static inline void devlink_port_type_clear(struct devlink_port *devlink_port) 591 { 592 } 593 594 static inline void devlink_port_attrs_set(struct devlink_port *devlink_port, 595 enum devlink_port_flavour flavour, 596 u32 port_number, bool split, 597 u32 split_subport_number) 598 { 599 } 600 601 static inline int 602 devlink_port_get_phys_port_name(struct devlink_port *devlink_port, 603 char *name, size_t len) 604 { 605 return -EOPNOTSUPP; 606 } 607 608 static inline int devlink_sb_register(struct devlink *devlink, 609 unsigned int sb_index, u32 size, 610 u16 ingress_pools_count, 611 u16 egress_pools_count, 612 u16 ingress_tc_count, 613 u16 egress_tc_count) 614 { 615 return 0; 616 } 617 618 static inline void devlink_sb_unregister(struct devlink *devlink, 619 unsigned int sb_index) 620 { 621 } 622 623 static inline int 624 devlink_dpipe_table_register(struct devlink *devlink, 625 const char *table_name, 626 struct devlink_dpipe_table_ops *table_ops, 627 void *priv, bool counter_control_extern) 628 { 629 return 0; 630 } 631 632 static inline void devlink_dpipe_table_unregister(struct devlink *devlink, 633 const char *table_name) 634 { 635 } 636 637 static inline int devlink_dpipe_headers_register(struct devlink *devlink, 638 struct devlink_dpipe_headers * 639 dpipe_headers) 640 { 641 return 0; 642 } 643 644 static inline void devlink_dpipe_headers_unregister(struct devlink *devlink) 645 { 646 } 647 648 static inline bool devlink_dpipe_table_counter_enabled(struct devlink *devlink, 649 const char *table_name) 650 { 651 return false; 652 } 653 654 static inline int 655 devlink_dpipe_entry_ctx_prepare(struct devlink_dpipe_dump_ctx *dump_ctx) 656 { 657 return 0; 658 } 659 660 static inline int 661 devlink_dpipe_entry_ctx_append(struct devlink_dpipe_dump_ctx *dump_ctx, 662 struct devlink_dpipe_entry *entry) 663 { 664 return 0; 665 } 666 667 static inline int 668 devlink_dpipe_entry_ctx_close(struct devlink_dpipe_dump_ctx *dump_ctx) 669 { 670 return 0; 671 } 672 673 static inline void 674 devlink_dpipe_entry_clear(struct devlink_dpipe_entry *entry) 675 { 676 } 677 678 static inline int 679 devlink_dpipe_action_put(struct sk_buff *skb, 680 struct devlink_dpipe_action *action) 681 { 682 return 0; 683 } 684 685 static inline int 686 devlink_dpipe_match_put(struct sk_buff *skb, 687 struct devlink_dpipe_match *match) 688 { 689 return 0; 690 } 691 692 static inline int 693 devlink_resource_register(struct devlink *devlink, 694 const char *resource_name, 695 u64 resource_size, 696 u64 resource_id, 697 u64 parent_resource_id, 698 const struct devlink_resource_size_params *size_params) 699 { 700 return 0; 701 } 702 703 static inline void 704 devlink_resources_unregister(struct devlink *devlink, 705 struct devlink_resource *resource) 706 { 707 } 708 709 static inline int 710 devlink_resource_size_get(struct devlink *devlink, u64 resource_id, 711 u64 *p_resource_size) 712 { 713 return -EOPNOTSUPP; 714 } 715 716 static inline int 717 devlink_dpipe_table_resource_set(struct devlink *devlink, 718 const char *table_name, u64 resource_id, 719 u64 resource_units) 720 { 721 return -EOPNOTSUPP; 722 } 723 724 static inline void 725 devlink_resource_occ_get_register(struct devlink *devlink, 726 u64 resource_id, 727 devlink_resource_occ_get_t *occ_get, 728 void *occ_get_priv) 729 { 730 } 731 732 static inline void 733 devlink_resource_occ_get_unregister(struct devlink *devlink, 734 u64 resource_id) 735 { 736 } 737 738 static inline int 739 devlink_params_register(struct devlink *devlink, 740 const struct devlink_param *params, 741 size_t params_count) 742 { 743 return 0; 744 } 745 746 static inline void 747 devlink_params_unregister(struct devlink *devlink, 748 const struct devlink_param *params, 749 size_t params_count) 750 { 751 752 } 753 754 static inline int 755 devlink_param_driverinit_value_get(struct devlink *devlink, u32 param_id, 756 union devlink_param_value *init_val) 757 { 758 return -EOPNOTSUPP; 759 } 760 761 static inline int 762 devlink_param_driverinit_value_set(struct devlink *devlink, u32 param_id, 763 union devlink_param_value init_val) 764 { 765 return -EOPNOTSUPP; 766 } 767 768 static inline void 769 devlink_param_value_changed(struct devlink *devlink, u32 param_id) 770 { 771 return -EOPNOTSUPP; 772 } 773 774 #endif 775 776 #endif /* _NET_DEVLINK_H_ */ 777