1 /* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */ 2 /* Copyright (c) 2015-2018 Mellanox Technologies. All rights reserved */ 3 4 #ifndef _MLXSW_CORE_H 5 #define _MLXSW_CORE_H 6 7 #include <linux/module.h> 8 #include <linux/device.h> 9 #include <linux/slab.h> 10 #include <linux/gfp.h> 11 #include <linux/types.h> 12 #include <linux/skbuff.h> 13 #include <linux/workqueue.h> 14 #include <linux/net_namespace.h> 15 #include <net/devlink.h> 16 17 #include "trap.h" 18 #include "reg.h" 19 #include "cmd.h" 20 #include "resources.h" 21 22 enum mlxsw_core_resource_id { 23 MLXSW_CORE_RESOURCE_PORTS = 1, 24 MLXSW_CORE_RESOURCE_MAX, 25 }; 26 27 struct mlxsw_core; 28 struct mlxsw_core_port; 29 struct mlxsw_driver; 30 struct mlxsw_bus; 31 struct mlxsw_bus_info; 32 struct mlxsw_fw_rev; 33 34 unsigned int mlxsw_core_max_ports(const struct mlxsw_core *mlxsw_core); 35 36 void *mlxsw_core_driver_priv(struct mlxsw_core *mlxsw_core); 37 38 bool mlxsw_core_res_query_enabled(const struct mlxsw_core *mlxsw_core); 39 40 bool mlxsw_core_temp_warn_enabled(const struct mlxsw_core *mlxsw_core); 41 42 bool 43 mlxsw_core_fw_rev_minor_subminor_validate(const struct mlxsw_fw_rev *rev, 44 const struct mlxsw_fw_rev *req_rev); 45 46 int mlxsw_core_driver_register(struct mlxsw_driver *mlxsw_driver); 47 void mlxsw_core_driver_unregister(struct mlxsw_driver *mlxsw_driver); 48 49 int mlxsw_core_bus_device_register(const struct mlxsw_bus_info *mlxsw_bus_info, 50 const struct mlxsw_bus *mlxsw_bus, 51 void *bus_priv, bool reload, 52 struct devlink *devlink, 53 struct netlink_ext_ack *extack); 54 void mlxsw_core_bus_device_unregister(struct mlxsw_core *mlxsw_core, bool reload); 55 56 struct mlxsw_tx_info { 57 u16 local_port; 58 bool is_emad; 59 }; 60 61 struct mlxsw_rx_md_info { 62 u32 cookie_index; 63 u32 latency; 64 u32 tx_congestion; 65 union { 66 /* Valid when 'tx_port_valid' is set. */ 67 u16 tx_sys_port; 68 u16 tx_lag_id; 69 }; 70 u16 tx_lag_port_index; /* Valid when 'tx_port_is_lag' is set. */ 71 u8 tx_tc; 72 u8 latency_valid:1, 73 tx_congestion_valid:1, 74 tx_tc_valid:1, 75 tx_port_valid:1, 76 tx_port_is_lag:1, 77 unused:3; 78 }; 79 80 bool mlxsw_core_skb_transmit_busy(struct mlxsw_core *mlxsw_core, 81 const struct mlxsw_tx_info *tx_info); 82 int mlxsw_core_skb_transmit(struct mlxsw_core *mlxsw_core, struct sk_buff *skb, 83 const struct mlxsw_tx_info *tx_info); 84 void mlxsw_core_ptp_transmitted(struct mlxsw_core *mlxsw_core, 85 struct sk_buff *skb, u16 local_port); 86 87 struct mlxsw_rx_listener { 88 void (*func)(struct sk_buff *skb, u16 local_port, void *priv); 89 u16 local_port; 90 u8 mirror_reason; 91 u16 trap_id; 92 }; 93 94 struct mlxsw_event_listener { 95 void (*func)(const struct mlxsw_reg_info *reg, 96 char *payload, void *priv); 97 enum mlxsw_event_trap_id trap_id; 98 }; 99 100 struct mlxsw_listener { 101 u16 trap_id; 102 union { 103 struct mlxsw_rx_listener rx_listener; 104 struct mlxsw_event_listener event_listener; 105 }; 106 enum mlxsw_reg_hpkt_action en_action; /* Action when enabled */ 107 enum mlxsw_reg_hpkt_action dis_action; /* Action when disabled */ 108 u8 en_trap_group; /* Trap group when enabled */ 109 u8 dis_trap_group; /* Trap group when disabled */ 110 u8 is_ctrl:1, /* should go via control buffer or not */ 111 is_event:1, 112 enabled_on_register:1; /* Trap should be enabled when listener 113 * is registered. 114 */ 115 }; 116 117 #define __MLXSW_RXL(_func, _trap_id, _en_action, _is_ctrl, _en_trap_group, \ 118 _dis_action, _enabled_on_register, _dis_trap_group, \ 119 _mirror_reason) \ 120 { \ 121 .trap_id = MLXSW_TRAP_ID_##_trap_id, \ 122 .rx_listener = \ 123 { \ 124 .func = _func, \ 125 .local_port = MLXSW_PORT_DONT_CARE, \ 126 .mirror_reason = _mirror_reason, \ 127 .trap_id = MLXSW_TRAP_ID_##_trap_id, \ 128 }, \ 129 .en_action = MLXSW_REG_HPKT_ACTION_##_en_action, \ 130 .dis_action = MLXSW_REG_HPKT_ACTION_##_dis_action, \ 131 .en_trap_group = MLXSW_REG_HTGT_TRAP_GROUP_##_en_trap_group, \ 132 .dis_trap_group = MLXSW_REG_HTGT_TRAP_GROUP_##_dis_trap_group, \ 133 .is_ctrl = _is_ctrl, \ 134 .enabled_on_register = _enabled_on_register, \ 135 } 136 137 #define MLXSW_RXL(_func, _trap_id, _en_action, _is_ctrl, _trap_group, \ 138 _dis_action) \ 139 __MLXSW_RXL(_func, _trap_id, _en_action, _is_ctrl, _trap_group, \ 140 _dis_action, true, _trap_group, 0) 141 142 #define MLXSW_RXL_DIS(_func, _trap_id, _en_action, _is_ctrl, _en_trap_group, \ 143 _dis_action, _dis_trap_group) \ 144 __MLXSW_RXL(_func, _trap_id, _en_action, _is_ctrl, _en_trap_group, \ 145 _dis_action, false, _dis_trap_group, 0) 146 147 #define MLXSW_RXL_MIRROR(_func, _session_id, _trap_group, _mirror_reason) \ 148 __MLXSW_RXL(_func, MIRROR_SESSION##_session_id, TRAP_TO_CPU, false, \ 149 _trap_group, TRAP_TO_CPU, true, _trap_group, \ 150 _mirror_reason) 151 152 #define MLXSW_EVENTL(_func, _trap_id, _trap_group) \ 153 { \ 154 .trap_id = MLXSW_TRAP_ID_##_trap_id, \ 155 .event_listener = \ 156 { \ 157 .func = _func, \ 158 .trap_id = MLXSW_TRAP_ID_##_trap_id, \ 159 }, \ 160 .en_action = MLXSW_REG_HPKT_ACTION_TRAP_TO_CPU, \ 161 .en_trap_group = MLXSW_REG_HTGT_TRAP_GROUP_##_trap_group, \ 162 .is_event = true, \ 163 .enabled_on_register = true, \ 164 } 165 166 #define MLXSW_CORE_EVENTL(_func, _trap_id) \ 167 MLXSW_EVENTL(_func, _trap_id, CORE_EVENT) 168 169 int mlxsw_core_rx_listener_register(struct mlxsw_core *mlxsw_core, 170 const struct mlxsw_rx_listener *rxl, 171 void *priv, bool enabled); 172 void mlxsw_core_rx_listener_unregister(struct mlxsw_core *mlxsw_core, 173 const struct mlxsw_rx_listener *rxl); 174 175 int mlxsw_core_event_listener_register(struct mlxsw_core *mlxsw_core, 176 const struct mlxsw_event_listener *el, 177 void *priv); 178 void mlxsw_core_event_listener_unregister(struct mlxsw_core *mlxsw_core, 179 const struct mlxsw_event_listener *el); 180 181 int mlxsw_core_trap_register(struct mlxsw_core *mlxsw_core, 182 const struct mlxsw_listener *listener, 183 void *priv); 184 void mlxsw_core_trap_unregister(struct mlxsw_core *mlxsw_core, 185 const struct mlxsw_listener *listener, 186 void *priv); 187 int mlxsw_core_traps_register(struct mlxsw_core *mlxsw_core, 188 const struct mlxsw_listener *listeners, 189 size_t listeners_count, void *priv); 190 void mlxsw_core_traps_unregister(struct mlxsw_core *mlxsw_core, 191 const struct mlxsw_listener *listeners, 192 size_t listeners_count, void *priv); 193 int mlxsw_core_trap_state_set(struct mlxsw_core *mlxsw_core, 194 const struct mlxsw_listener *listener, 195 bool enabled); 196 197 typedef void mlxsw_reg_trans_cb_t(struct mlxsw_core *mlxsw_core, char *payload, 198 size_t payload_len, unsigned long cb_priv); 199 200 int mlxsw_reg_trans_query(struct mlxsw_core *mlxsw_core, 201 const struct mlxsw_reg_info *reg, char *payload, 202 struct list_head *bulk_list, 203 mlxsw_reg_trans_cb_t *cb, unsigned long cb_priv); 204 int mlxsw_reg_trans_write(struct mlxsw_core *mlxsw_core, 205 const struct mlxsw_reg_info *reg, char *payload, 206 struct list_head *bulk_list, 207 mlxsw_reg_trans_cb_t *cb, unsigned long cb_priv); 208 int mlxsw_reg_trans_bulk_wait(struct list_head *bulk_list); 209 210 int mlxsw_reg_query(struct mlxsw_core *mlxsw_core, 211 const struct mlxsw_reg_info *reg, char *payload); 212 int mlxsw_reg_write(struct mlxsw_core *mlxsw_core, 213 const struct mlxsw_reg_info *reg, char *payload); 214 215 struct mlxsw_rx_info { 216 bool is_lag; 217 union { 218 u16 sys_port; 219 u16 lag_id; 220 } u; 221 u16 lag_port_index; 222 u8 mirror_reason; 223 int trap_id; 224 }; 225 226 void mlxsw_core_skb_receive(struct mlxsw_core *mlxsw_core, struct sk_buff *skb, 227 struct mlxsw_rx_info *rx_info); 228 229 void mlxsw_core_lag_mapping_set(struct mlxsw_core *mlxsw_core, 230 u16 lag_id, u8 port_index, u16 local_port); 231 u16 mlxsw_core_lag_mapping_get(struct mlxsw_core *mlxsw_core, 232 u16 lag_id, u8 port_index); 233 void mlxsw_core_lag_mapping_clear(struct mlxsw_core *mlxsw_core, 234 u16 lag_id, u16 local_port); 235 236 void *mlxsw_core_port_driver_priv(struct mlxsw_core_port *mlxsw_core_port); 237 int mlxsw_core_port_init(struct mlxsw_core *mlxsw_core, u16 local_port, 238 u32 port_number, bool split, u32 split_port_subnumber, 239 bool splittable, u32 lanes, 240 const unsigned char *switch_id, 241 unsigned char switch_id_len); 242 void mlxsw_core_port_fini(struct mlxsw_core *mlxsw_core, u16 local_port); 243 int mlxsw_core_cpu_port_init(struct mlxsw_core *mlxsw_core, 244 void *port_driver_priv, 245 const unsigned char *switch_id, 246 unsigned char switch_id_len); 247 void mlxsw_core_cpu_port_fini(struct mlxsw_core *mlxsw_core); 248 void mlxsw_core_port_eth_set(struct mlxsw_core *mlxsw_core, u16 local_port, 249 void *port_driver_priv, struct net_device *dev); 250 void mlxsw_core_port_ib_set(struct mlxsw_core *mlxsw_core, u16 local_port, 251 void *port_driver_priv); 252 void mlxsw_core_port_clear(struct mlxsw_core *mlxsw_core, u16 local_port, 253 void *port_driver_priv); 254 enum devlink_port_type mlxsw_core_port_type_get(struct mlxsw_core *mlxsw_core, 255 u16 local_port); 256 struct devlink_port * 257 mlxsw_core_port_devlink_port_get(struct mlxsw_core *mlxsw_core, 258 u16 local_port); 259 bool mlxsw_core_port_is_xm(const struct mlxsw_core *mlxsw_core, u16 local_port); 260 struct mlxsw_env *mlxsw_core_env(const struct mlxsw_core *mlxsw_core); 261 262 int mlxsw_core_schedule_dw(struct delayed_work *dwork, unsigned long delay); 263 bool mlxsw_core_schedule_work(struct work_struct *work); 264 void mlxsw_core_flush_owq(void); 265 int mlxsw_core_resources_query(struct mlxsw_core *mlxsw_core, char *mbox, 266 struct mlxsw_res *res); 267 268 #define MLXSW_CONFIG_PROFILE_SWID_COUNT 8 269 270 struct mlxsw_swid_config { 271 u8 used_type:1, 272 used_properties:1; 273 u8 type; 274 u8 properties; 275 }; 276 277 struct mlxsw_config_profile { 278 u16 used_max_vepa_channels:1, 279 used_max_mid:1, 280 used_max_pgt:1, 281 used_max_system_port:1, 282 used_max_vlan_groups:1, 283 used_max_regions:1, 284 used_flood_tables:1, 285 used_flood_mode:1, 286 used_max_ib_mc:1, 287 used_max_pkey:1, 288 used_ar_sec:1, 289 used_adaptive_routing_group_cap:1, 290 used_kvd_sizes:1, 291 used_kvh_xlt_cache_mode:1; 292 u8 max_vepa_channels; 293 u16 max_mid; 294 u16 max_pgt; 295 u16 max_system_port; 296 u16 max_vlan_groups; 297 u16 max_regions; 298 u8 max_flood_tables; 299 u8 max_vid_flood_tables; 300 u8 flood_mode; 301 u8 max_fid_offset_flood_tables; 302 u16 fid_offset_flood_table_size; 303 u8 max_fid_flood_tables; 304 u16 fid_flood_table_size; 305 u16 max_ib_mc; 306 u16 max_pkey; 307 u8 ar_sec; 308 u16 adaptive_routing_group_cap; 309 u8 arn; 310 u32 kvd_linear_size; 311 u8 kvd_hash_single_parts; 312 u8 kvd_hash_double_parts; 313 u8 kvh_xlt_cache_mode; 314 struct mlxsw_swid_config swid_config[MLXSW_CONFIG_PROFILE_SWID_COUNT]; 315 }; 316 317 struct mlxsw_driver { 318 struct list_head list; 319 const char *kind; 320 size_t priv_size; 321 const struct mlxsw_fw_rev *fw_req_rev; 322 const char *fw_filename; 323 int (*init)(struct mlxsw_core *mlxsw_core, 324 const struct mlxsw_bus_info *mlxsw_bus_info, 325 struct netlink_ext_ack *extack); 326 void (*fini)(struct mlxsw_core *mlxsw_core); 327 int (*port_type_set)(struct mlxsw_core *mlxsw_core, u16 local_port, 328 enum devlink_port_type new_type); 329 int (*port_split)(struct mlxsw_core *mlxsw_core, u16 local_port, 330 unsigned int count, struct netlink_ext_ack *extack); 331 int (*port_unsplit)(struct mlxsw_core *mlxsw_core, u16 local_port, 332 struct netlink_ext_ack *extack); 333 int (*sb_pool_get)(struct mlxsw_core *mlxsw_core, 334 unsigned int sb_index, u16 pool_index, 335 struct devlink_sb_pool_info *pool_info); 336 int (*sb_pool_set)(struct mlxsw_core *mlxsw_core, 337 unsigned int sb_index, u16 pool_index, u32 size, 338 enum devlink_sb_threshold_type threshold_type, 339 struct netlink_ext_ack *extack); 340 int (*sb_port_pool_get)(struct mlxsw_core_port *mlxsw_core_port, 341 unsigned int sb_index, u16 pool_index, 342 u32 *p_threshold); 343 int (*sb_port_pool_set)(struct mlxsw_core_port *mlxsw_core_port, 344 unsigned int sb_index, u16 pool_index, 345 u32 threshold, struct netlink_ext_ack *extack); 346 int (*sb_tc_pool_bind_get)(struct mlxsw_core_port *mlxsw_core_port, 347 unsigned int sb_index, u16 tc_index, 348 enum devlink_sb_pool_type pool_type, 349 u16 *p_pool_index, u32 *p_threshold); 350 int (*sb_tc_pool_bind_set)(struct mlxsw_core_port *mlxsw_core_port, 351 unsigned int sb_index, u16 tc_index, 352 enum devlink_sb_pool_type pool_type, 353 u16 pool_index, u32 threshold, 354 struct netlink_ext_ack *extack); 355 int (*sb_occ_snapshot)(struct mlxsw_core *mlxsw_core, 356 unsigned int sb_index); 357 int (*sb_occ_max_clear)(struct mlxsw_core *mlxsw_core, 358 unsigned int sb_index); 359 int (*sb_occ_port_pool_get)(struct mlxsw_core_port *mlxsw_core_port, 360 unsigned int sb_index, u16 pool_index, 361 u32 *p_cur, u32 *p_max); 362 int (*sb_occ_tc_port_bind_get)(struct mlxsw_core_port *mlxsw_core_port, 363 unsigned int sb_index, u16 tc_index, 364 enum devlink_sb_pool_type pool_type, 365 u32 *p_cur, u32 *p_max); 366 int (*trap_init)(struct mlxsw_core *mlxsw_core, 367 const struct devlink_trap *trap, void *trap_ctx); 368 void (*trap_fini)(struct mlxsw_core *mlxsw_core, 369 const struct devlink_trap *trap, void *trap_ctx); 370 int (*trap_action_set)(struct mlxsw_core *mlxsw_core, 371 const struct devlink_trap *trap, 372 enum devlink_trap_action action, 373 struct netlink_ext_ack *extack); 374 int (*trap_group_init)(struct mlxsw_core *mlxsw_core, 375 const struct devlink_trap_group *group); 376 int (*trap_group_set)(struct mlxsw_core *mlxsw_core, 377 const struct devlink_trap_group *group, 378 const struct devlink_trap_policer *policer, 379 struct netlink_ext_ack *extack); 380 int (*trap_policer_init)(struct mlxsw_core *mlxsw_core, 381 const struct devlink_trap_policer *policer); 382 void (*trap_policer_fini)(struct mlxsw_core *mlxsw_core, 383 const struct devlink_trap_policer *policer); 384 int (*trap_policer_set)(struct mlxsw_core *mlxsw_core, 385 const struct devlink_trap_policer *policer, 386 u64 rate, u64 burst, 387 struct netlink_ext_ack *extack); 388 int (*trap_policer_counter_get)(struct mlxsw_core *mlxsw_core, 389 const struct devlink_trap_policer *policer, 390 u64 *p_drops); 391 void (*txhdr_construct)(struct sk_buff *skb, 392 const struct mlxsw_tx_info *tx_info); 393 int (*resources_register)(struct mlxsw_core *mlxsw_core); 394 int (*kvd_sizes_get)(struct mlxsw_core *mlxsw_core, 395 const struct mlxsw_config_profile *profile, 396 u64 *p_single_size, u64 *p_double_size, 397 u64 *p_linear_size); 398 int (*params_register)(struct mlxsw_core *mlxsw_core); 399 void (*params_unregister)(struct mlxsw_core *mlxsw_core); 400 401 /* Notify a driver that a timestamped packet was transmitted. Driver 402 * is responsible for freeing the passed-in SKB. 403 */ 404 void (*ptp_transmitted)(struct mlxsw_core *mlxsw_core, 405 struct sk_buff *skb, u16 local_port); 406 407 u8 txhdr_len; 408 const struct mlxsw_config_profile *profile; 409 bool res_query_enabled; 410 bool fw_fatal_enabled; 411 bool temp_warn_enabled; 412 }; 413 414 int mlxsw_core_kvd_sizes_get(struct mlxsw_core *mlxsw_core, 415 const struct mlxsw_config_profile *profile, 416 u64 *p_single_size, u64 *p_double_size, 417 u64 *p_linear_size); 418 419 u32 mlxsw_core_read_frc_h(struct mlxsw_core *mlxsw_core); 420 u32 mlxsw_core_read_frc_l(struct mlxsw_core *mlxsw_core); 421 422 void mlxsw_core_emad_string_tlv_enable(struct mlxsw_core *mlxsw_core); 423 424 bool mlxsw_core_res_valid(struct mlxsw_core *mlxsw_core, 425 enum mlxsw_res_id res_id); 426 427 #define MLXSW_CORE_RES_VALID(mlxsw_core, short_res_id) \ 428 mlxsw_core_res_valid(mlxsw_core, MLXSW_RES_ID_##short_res_id) 429 430 u64 mlxsw_core_res_get(struct mlxsw_core *mlxsw_core, 431 enum mlxsw_res_id res_id); 432 433 #define MLXSW_CORE_RES_GET(mlxsw_core, short_res_id) \ 434 mlxsw_core_res_get(mlxsw_core, MLXSW_RES_ID_##short_res_id) 435 436 static inline struct net *mlxsw_core_net(struct mlxsw_core *mlxsw_core) 437 { 438 return devlink_net(priv_to_devlink(mlxsw_core)); 439 } 440 441 #define MLXSW_BUS_F_TXRX BIT(0) 442 #define MLXSW_BUS_F_RESET BIT(1) 443 444 struct mlxsw_bus { 445 const char *kind; 446 int (*init)(void *bus_priv, struct mlxsw_core *mlxsw_core, 447 const struct mlxsw_config_profile *profile, 448 struct mlxsw_res *res); 449 void (*fini)(void *bus_priv); 450 bool (*skb_transmit_busy)(void *bus_priv, 451 const struct mlxsw_tx_info *tx_info); 452 int (*skb_transmit)(void *bus_priv, struct sk_buff *skb, 453 const struct mlxsw_tx_info *tx_info); 454 int (*cmd_exec)(void *bus_priv, u16 opcode, u8 opcode_mod, 455 u32 in_mod, bool out_mbox_direct, 456 char *in_mbox, size_t in_mbox_size, 457 char *out_mbox, size_t out_mbox_size, 458 u8 *p_status); 459 u32 (*read_frc_h)(void *bus_priv); 460 u32 (*read_frc_l)(void *bus_priv); 461 u8 features; 462 }; 463 464 struct mlxsw_fw_rev { 465 u16 major; 466 u16 minor; 467 u16 subminor; 468 u16 can_reset_minor; 469 }; 470 471 #define MLXSW_BUS_INFO_XM_LOCAL_PORTS_MAX 4 472 473 struct mlxsw_bus_info { 474 const char *device_kind; 475 const char *device_name; 476 struct device *dev; 477 struct mlxsw_fw_rev fw_rev; 478 u8 vsd[MLXSW_CMD_BOARDINFO_VSD_LEN]; 479 u8 psid[MLXSW_CMD_BOARDINFO_PSID_LEN]; 480 u8 low_frequency:1, 481 read_frc_capable:1, 482 xm_exists:1; 483 u8 xm_local_ports_count; 484 u8 xm_local_ports[MLXSW_BUS_INFO_XM_LOCAL_PORTS_MAX]; 485 }; 486 487 struct mlxsw_hwmon; 488 489 #ifdef CONFIG_MLXSW_CORE_HWMON 490 491 int mlxsw_hwmon_init(struct mlxsw_core *mlxsw_core, 492 const struct mlxsw_bus_info *mlxsw_bus_info, 493 struct mlxsw_hwmon **p_hwmon); 494 void mlxsw_hwmon_fini(struct mlxsw_hwmon *mlxsw_hwmon); 495 496 #else 497 498 static inline int mlxsw_hwmon_init(struct mlxsw_core *mlxsw_core, 499 const struct mlxsw_bus_info *mlxsw_bus_info, 500 struct mlxsw_hwmon **p_hwmon) 501 { 502 return 0; 503 } 504 505 static inline void mlxsw_hwmon_fini(struct mlxsw_hwmon *mlxsw_hwmon) 506 { 507 } 508 509 #endif 510 511 struct mlxsw_thermal; 512 513 #ifdef CONFIG_MLXSW_CORE_THERMAL 514 515 int mlxsw_thermal_init(struct mlxsw_core *mlxsw_core, 516 const struct mlxsw_bus_info *mlxsw_bus_info, 517 struct mlxsw_thermal **p_thermal); 518 void mlxsw_thermal_fini(struct mlxsw_thermal *thermal); 519 520 #else 521 522 static inline int mlxsw_thermal_init(struct mlxsw_core *mlxsw_core, 523 const struct mlxsw_bus_info *mlxsw_bus_info, 524 struct mlxsw_thermal **p_thermal) 525 { 526 return 0; 527 } 528 529 static inline void mlxsw_thermal_fini(struct mlxsw_thermal *thermal) 530 { 531 } 532 533 #endif 534 535 enum mlxsw_devlink_param_id { 536 MLXSW_DEVLINK_PARAM_ID_BASE = DEVLINK_PARAM_GENERIC_ID_MAX, 537 MLXSW_DEVLINK_PARAM_ID_ACL_REGION_REHASH_INTERVAL, 538 }; 539 540 struct mlxsw_skb_cb { 541 union { 542 struct mlxsw_tx_info tx_info; 543 struct mlxsw_rx_md_info rx_md_info; 544 }; 545 }; 546 547 static inline struct mlxsw_skb_cb *mlxsw_skb_cb(struct sk_buff *skb) 548 { 549 BUILD_BUG_ON(sizeof(mlxsw_skb_cb) > sizeof(skb->cb)); 550 return (struct mlxsw_skb_cb *) skb->cb; 551 } 552 553 #endif 554