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 struct mlxsw_linecards *mlxsw_core_linecards(struct mlxsw_core *mlxsw_core); 39 40 void mlxsw_core_linecards_set(struct mlxsw_core *mlxsw_core, 41 struct mlxsw_linecards *linecard); 42 43 bool 44 mlxsw_core_fw_rev_minor_subminor_validate(const struct mlxsw_fw_rev *rev, 45 const struct mlxsw_fw_rev *req_rev); 46 47 int mlxsw_core_driver_register(struct mlxsw_driver *mlxsw_driver); 48 void mlxsw_core_driver_unregister(struct mlxsw_driver *mlxsw_driver); 49 50 int mlxsw_core_bus_device_register(const struct mlxsw_bus_info *mlxsw_bus_info, 51 const struct mlxsw_bus *mlxsw_bus, 52 void *bus_priv, bool reload, 53 struct devlink *devlink, 54 struct netlink_ext_ack *extack); 55 void mlxsw_core_bus_device_unregister(struct mlxsw_core *mlxsw_core, bool reload); 56 57 struct mlxsw_tx_info { 58 u16 local_port; 59 bool is_emad; 60 }; 61 62 struct mlxsw_rx_md_info { 63 u32 cookie_index; 64 u32 latency; 65 u32 tx_congestion; 66 union { 67 /* Valid when 'tx_port_valid' is set. */ 68 u16 tx_sys_port; 69 u16 tx_lag_id; 70 }; 71 u16 tx_lag_port_index; /* Valid when 'tx_port_is_lag' is set. */ 72 u8 tx_tc; 73 u8 latency_valid:1, 74 tx_congestion_valid:1, 75 tx_tc_valid:1, 76 tx_port_valid:1, 77 tx_port_is_lag:1, 78 unused:3; 79 }; 80 81 bool mlxsw_core_skb_transmit_busy(struct mlxsw_core *mlxsw_core, 82 const struct mlxsw_tx_info *tx_info); 83 int mlxsw_core_skb_transmit(struct mlxsw_core *mlxsw_core, struct sk_buff *skb, 84 const struct mlxsw_tx_info *tx_info); 85 void mlxsw_core_ptp_transmitted(struct mlxsw_core *mlxsw_core, 86 struct sk_buff *skb, u16 local_port); 87 88 struct mlxsw_rx_listener { 89 void (*func)(struct sk_buff *skb, u16 local_port, void *priv); 90 u16 local_port; 91 u8 mirror_reason; 92 u16 trap_id; 93 }; 94 95 struct mlxsw_event_listener { 96 void (*func)(const struct mlxsw_reg_info *reg, 97 char *payload, void *priv); 98 enum mlxsw_event_trap_id trap_id; 99 }; 100 101 struct mlxsw_listener { 102 u16 trap_id; 103 union { 104 struct mlxsw_rx_listener rx_listener; 105 struct mlxsw_event_listener event_listener; 106 }; 107 enum mlxsw_reg_hpkt_action en_action; /* Action when enabled */ 108 enum mlxsw_reg_hpkt_action dis_action; /* Action when disabled */ 109 u8 en_trap_group; /* Trap group when enabled */ 110 u8 dis_trap_group; /* Trap group when disabled */ 111 u8 is_ctrl:1, /* should go via control buffer or not */ 112 is_event:1, 113 enabled_on_register:1; /* Trap should be enabled when listener 114 * is registered. 115 */ 116 }; 117 118 #define __MLXSW_RXL(_func, _trap_id, _en_action, _is_ctrl, _en_trap_group, \ 119 _dis_action, _enabled_on_register, _dis_trap_group, \ 120 _mirror_reason) \ 121 { \ 122 .trap_id = MLXSW_TRAP_ID_##_trap_id, \ 123 .rx_listener = \ 124 { \ 125 .func = _func, \ 126 .local_port = MLXSW_PORT_DONT_CARE, \ 127 .mirror_reason = _mirror_reason, \ 128 .trap_id = MLXSW_TRAP_ID_##_trap_id, \ 129 }, \ 130 .en_action = MLXSW_REG_HPKT_ACTION_##_en_action, \ 131 .dis_action = MLXSW_REG_HPKT_ACTION_##_dis_action, \ 132 .en_trap_group = MLXSW_REG_HTGT_TRAP_GROUP_##_en_trap_group, \ 133 .dis_trap_group = MLXSW_REG_HTGT_TRAP_GROUP_##_dis_trap_group, \ 134 .is_ctrl = _is_ctrl, \ 135 .enabled_on_register = _enabled_on_register, \ 136 } 137 138 #define MLXSW_RXL(_func, _trap_id, _en_action, _is_ctrl, _trap_group, \ 139 _dis_action) \ 140 __MLXSW_RXL(_func, _trap_id, _en_action, _is_ctrl, _trap_group, \ 141 _dis_action, true, _trap_group, 0) 142 143 #define MLXSW_RXL_DIS(_func, _trap_id, _en_action, _is_ctrl, _en_trap_group, \ 144 _dis_action, _dis_trap_group) \ 145 __MLXSW_RXL(_func, _trap_id, _en_action, _is_ctrl, _en_trap_group, \ 146 _dis_action, false, _dis_trap_group, 0) 147 148 #define MLXSW_RXL_MIRROR(_func, _session_id, _trap_group, _mirror_reason) \ 149 __MLXSW_RXL(_func, MIRROR_SESSION##_session_id, TRAP_TO_CPU, false, \ 150 _trap_group, TRAP_TO_CPU, true, _trap_group, \ 151 _mirror_reason) 152 153 #define MLXSW_EVENTL(_func, _trap_id, _trap_group) \ 154 { \ 155 .trap_id = MLXSW_TRAP_ID_##_trap_id, \ 156 .event_listener = \ 157 { \ 158 .func = _func, \ 159 .trap_id = MLXSW_TRAP_ID_##_trap_id, \ 160 }, \ 161 .en_action = MLXSW_REG_HPKT_ACTION_TRAP_TO_CPU, \ 162 .en_trap_group = MLXSW_REG_HTGT_TRAP_GROUP_##_trap_group, \ 163 .is_event = true, \ 164 .enabled_on_register = true, \ 165 } 166 167 #define MLXSW_CORE_EVENTL(_func, _trap_id) \ 168 MLXSW_EVENTL(_func, _trap_id, CORE_EVENT) 169 170 int mlxsw_core_rx_listener_register(struct mlxsw_core *mlxsw_core, 171 const struct mlxsw_rx_listener *rxl, 172 void *priv, bool enabled); 173 void mlxsw_core_rx_listener_unregister(struct mlxsw_core *mlxsw_core, 174 const struct mlxsw_rx_listener *rxl); 175 176 int mlxsw_core_event_listener_register(struct mlxsw_core *mlxsw_core, 177 const struct mlxsw_event_listener *el, 178 void *priv); 179 void mlxsw_core_event_listener_unregister(struct mlxsw_core *mlxsw_core, 180 const struct mlxsw_event_listener *el); 181 182 int mlxsw_core_trap_register(struct mlxsw_core *mlxsw_core, 183 const struct mlxsw_listener *listener, 184 void *priv); 185 void mlxsw_core_trap_unregister(struct mlxsw_core *mlxsw_core, 186 const struct mlxsw_listener *listener, 187 void *priv); 188 int mlxsw_core_traps_register(struct mlxsw_core *mlxsw_core, 189 const struct mlxsw_listener *listeners, 190 size_t listeners_count, void *priv); 191 void mlxsw_core_traps_unregister(struct mlxsw_core *mlxsw_core, 192 const struct mlxsw_listener *listeners, 193 size_t listeners_count, void *priv); 194 int mlxsw_core_trap_state_set(struct mlxsw_core *mlxsw_core, 195 const struct mlxsw_listener *listener, 196 bool enabled); 197 198 typedef void mlxsw_reg_trans_cb_t(struct mlxsw_core *mlxsw_core, char *payload, 199 size_t payload_len, unsigned long cb_priv); 200 201 int mlxsw_reg_trans_query(struct mlxsw_core *mlxsw_core, 202 const struct mlxsw_reg_info *reg, char *payload, 203 struct list_head *bulk_list, 204 mlxsw_reg_trans_cb_t *cb, unsigned long cb_priv); 205 int mlxsw_reg_trans_write(struct mlxsw_core *mlxsw_core, 206 const struct mlxsw_reg_info *reg, char *payload, 207 struct list_head *bulk_list, 208 mlxsw_reg_trans_cb_t *cb, unsigned long cb_priv); 209 int mlxsw_reg_trans_bulk_wait(struct list_head *bulk_list); 210 211 int mlxsw_reg_query(struct mlxsw_core *mlxsw_core, 212 const struct mlxsw_reg_info *reg, char *payload); 213 int mlxsw_reg_write(struct mlxsw_core *mlxsw_core, 214 const struct mlxsw_reg_info *reg, char *payload); 215 216 struct mlxsw_rx_info { 217 bool is_lag; 218 union { 219 u16 sys_port; 220 u16 lag_id; 221 } u; 222 u16 lag_port_index; 223 u8 mirror_reason; 224 int trap_id; 225 }; 226 227 void mlxsw_core_skb_receive(struct mlxsw_core *mlxsw_core, struct sk_buff *skb, 228 struct mlxsw_rx_info *rx_info); 229 230 void mlxsw_core_lag_mapping_set(struct mlxsw_core *mlxsw_core, 231 u16 lag_id, u8 port_index, u16 local_port); 232 u16 mlxsw_core_lag_mapping_get(struct mlxsw_core *mlxsw_core, 233 u16 lag_id, u8 port_index); 234 void mlxsw_core_lag_mapping_clear(struct mlxsw_core *mlxsw_core, 235 u16 lag_id, u16 local_port); 236 237 void *mlxsw_core_port_driver_priv(struct mlxsw_core_port *mlxsw_core_port); 238 int mlxsw_core_port_init(struct mlxsw_core *mlxsw_core, u16 local_port, 239 u8 slot_index, u32 port_number, bool split, 240 u32 split_port_subnumber, 241 bool splittable, u32 lanes, 242 const unsigned char *switch_id, 243 unsigned char switch_id_len); 244 void mlxsw_core_port_fini(struct mlxsw_core *mlxsw_core, u16 local_port); 245 int mlxsw_core_cpu_port_init(struct mlxsw_core *mlxsw_core, 246 void *port_driver_priv, 247 const unsigned char *switch_id, 248 unsigned char switch_id_len); 249 void mlxsw_core_cpu_port_fini(struct mlxsw_core *mlxsw_core); 250 void mlxsw_core_port_eth_set(struct mlxsw_core *mlxsw_core, u16 local_port, 251 void *port_driver_priv, struct net_device *dev); 252 void mlxsw_core_port_ib_set(struct mlxsw_core *mlxsw_core, u16 local_port, 253 void *port_driver_priv); 254 void mlxsw_core_port_clear(struct mlxsw_core *mlxsw_core, u16 local_port, 255 void *port_driver_priv); 256 enum devlink_port_type mlxsw_core_port_type_get(struct mlxsw_core *mlxsw_core, 257 u16 local_port); 258 struct devlink_port * 259 mlxsw_core_port_devlink_port_get(struct mlxsw_core *mlxsw_core, 260 u16 local_port); 261 struct mlxsw_linecard * 262 mlxsw_core_port_linecard_get(struct mlxsw_core *mlxsw_core, 263 u16 local_port); 264 bool mlxsw_core_port_is_xm(const struct mlxsw_core *mlxsw_core, u16 local_port); 265 void mlxsw_core_ports_remove_selected(struct mlxsw_core *mlxsw_core, 266 bool (*selector)(void *priv, 267 u16 local_port), 268 void *priv); 269 struct mlxsw_env *mlxsw_core_env(const struct mlxsw_core *mlxsw_core); 270 271 int mlxsw_core_schedule_dw(struct delayed_work *dwork, unsigned long delay); 272 bool mlxsw_core_schedule_work(struct work_struct *work); 273 void mlxsw_core_flush_owq(void); 274 int mlxsw_core_resources_query(struct mlxsw_core *mlxsw_core, char *mbox, 275 struct mlxsw_res *res); 276 277 #define MLXSW_CONFIG_PROFILE_SWID_COUNT 8 278 279 struct mlxsw_swid_config { 280 u8 used_type:1, 281 used_properties:1; 282 u8 type; 283 u8 properties; 284 }; 285 286 struct mlxsw_config_profile { 287 u16 used_max_vepa_channels:1, 288 used_max_mid:1, 289 used_max_pgt:1, 290 used_max_system_port:1, 291 used_max_vlan_groups:1, 292 used_max_regions:1, 293 used_flood_tables:1, 294 used_flood_mode:1, 295 used_max_ib_mc:1, 296 used_max_pkey:1, 297 used_ar_sec:1, 298 used_adaptive_routing_group_cap:1, 299 used_kvd_sizes:1, 300 used_kvh_xlt_cache_mode:1; 301 u8 max_vepa_channels; 302 u16 max_mid; 303 u16 max_pgt; 304 u16 max_system_port; 305 u16 max_vlan_groups; 306 u16 max_regions; 307 u8 max_flood_tables; 308 u8 max_vid_flood_tables; 309 u8 flood_mode; 310 u8 max_fid_offset_flood_tables; 311 u16 fid_offset_flood_table_size; 312 u8 max_fid_flood_tables; 313 u16 fid_flood_table_size; 314 u16 max_ib_mc; 315 u16 max_pkey; 316 u8 ar_sec; 317 u16 adaptive_routing_group_cap; 318 u8 arn; 319 u32 kvd_linear_size; 320 u8 kvd_hash_single_parts; 321 u8 kvd_hash_double_parts; 322 u8 kvh_xlt_cache_mode; 323 struct mlxsw_swid_config swid_config[MLXSW_CONFIG_PROFILE_SWID_COUNT]; 324 }; 325 326 struct mlxsw_driver { 327 struct list_head list; 328 const char *kind; 329 size_t priv_size; 330 const struct mlxsw_fw_rev *fw_req_rev; 331 const char *fw_filename; 332 int (*init)(struct mlxsw_core *mlxsw_core, 333 const struct mlxsw_bus_info *mlxsw_bus_info, 334 struct netlink_ext_ack *extack); 335 void (*fini)(struct mlxsw_core *mlxsw_core); 336 int (*port_type_set)(struct mlxsw_core *mlxsw_core, u16 local_port, 337 enum devlink_port_type new_type); 338 int (*port_split)(struct mlxsw_core *mlxsw_core, u16 local_port, 339 unsigned int count, struct netlink_ext_ack *extack); 340 int (*port_unsplit)(struct mlxsw_core *mlxsw_core, u16 local_port, 341 struct netlink_ext_ack *extack); 342 void (*ports_remove_selected)(struct mlxsw_core *mlxsw_core, 343 bool (*selector)(void *priv, 344 u16 local_port), 345 void *priv); 346 int (*sb_pool_get)(struct mlxsw_core *mlxsw_core, 347 unsigned int sb_index, u16 pool_index, 348 struct devlink_sb_pool_info *pool_info); 349 int (*sb_pool_set)(struct mlxsw_core *mlxsw_core, 350 unsigned int sb_index, u16 pool_index, u32 size, 351 enum devlink_sb_threshold_type threshold_type, 352 struct netlink_ext_ack *extack); 353 int (*sb_port_pool_get)(struct mlxsw_core_port *mlxsw_core_port, 354 unsigned int sb_index, u16 pool_index, 355 u32 *p_threshold); 356 int (*sb_port_pool_set)(struct mlxsw_core_port *mlxsw_core_port, 357 unsigned int sb_index, u16 pool_index, 358 u32 threshold, struct netlink_ext_ack *extack); 359 int (*sb_tc_pool_bind_get)(struct mlxsw_core_port *mlxsw_core_port, 360 unsigned int sb_index, u16 tc_index, 361 enum devlink_sb_pool_type pool_type, 362 u16 *p_pool_index, u32 *p_threshold); 363 int (*sb_tc_pool_bind_set)(struct mlxsw_core_port *mlxsw_core_port, 364 unsigned int sb_index, u16 tc_index, 365 enum devlink_sb_pool_type pool_type, 366 u16 pool_index, u32 threshold, 367 struct netlink_ext_ack *extack); 368 int (*sb_occ_snapshot)(struct mlxsw_core *mlxsw_core, 369 unsigned int sb_index); 370 int (*sb_occ_max_clear)(struct mlxsw_core *mlxsw_core, 371 unsigned int sb_index); 372 int (*sb_occ_port_pool_get)(struct mlxsw_core_port *mlxsw_core_port, 373 unsigned int sb_index, u16 pool_index, 374 u32 *p_cur, u32 *p_max); 375 int (*sb_occ_tc_port_bind_get)(struct mlxsw_core_port *mlxsw_core_port, 376 unsigned int sb_index, u16 tc_index, 377 enum devlink_sb_pool_type pool_type, 378 u32 *p_cur, u32 *p_max); 379 int (*trap_init)(struct mlxsw_core *mlxsw_core, 380 const struct devlink_trap *trap, void *trap_ctx); 381 void (*trap_fini)(struct mlxsw_core *mlxsw_core, 382 const struct devlink_trap *trap, void *trap_ctx); 383 int (*trap_action_set)(struct mlxsw_core *mlxsw_core, 384 const struct devlink_trap *trap, 385 enum devlink_trap_action action, 386 struct netlink_ext_ack *extack); 387 int (*trap_group_init)(struct mlxsw_core *mlxsw_core, 388 const struct devlink_trap_group *group); 389 int (*trap_group_set)(struct mlxsw_core *mlxsw_core, 390 const struct devlink_trap_group *group, 391 const struct devlink_trap_policer *policer, 392 struct netlink_ext_ack *extack); 393 int (*trap_policer_init)(struct mlxsw_core *mlxsw_core, 394 const struct devlink_trap_policer *policer); 395 void (*trap_policer_fini)(struct mlxsw_core *mlxsw_core, 396 const struct devlink_trap_policer *policer); 397 int (*trap_policer_set)(struct mlxsw_core *mlxsw_core, 398 const struct devlink_trap_policer *policer, 399 u64 rate, u64 burst, 400 struct netlink_ext_ack *extack); 401 int (*trap_policer_counter_get)(struct mlxsw_core *mlxsw_core, 402 const struct devlink_trap_policer *policer, 403 u64 *p_drops); 404 void (*txhdr_construct)(struct sk_buff *skb, 405 const struct mlxsw_tx_info *tx_info); 406 int (*resources_register)(struct mlxsw_core *mlxsw_core); 407 int (*kvd_sizes_get)(struct mlxsw_core *mlxsw_core, 408 const struct mlxsw_config_profile *profile, 409 u64 *p_single_size, u64 *p_double_size, 410 u64 *p_linear_size); 411 int (*params_register)(struct mlxsw_core *mlxsw_core); 412 void (*params_unregister)(struct mlxsw_core *mlxsw_core); 413 414 /* Notify a driver that a timestamped packet was transmitted. Driver 415 * is responsible for freeing the passed-in SKB. 416 */ 417 void (*ptp_transmitted)(struct mlxsw_core *mlxsw_core, 418 struct sk_buff *skb, u16 local_port); 419 420 u8 txhdr_len; 421 const struct mlxsw_config_profile *profile; 422 }; 423 424 int mlxsw_core_kvd_sizes_get(struct mlxsw_core *mlxsw_core, 425 const struct mlxsw_config_profile *profile, 426 u64 *p_single_size, u64 *p_double_size, 427 u64 *p_linear_size); 428 429 u32 mlxsw_core_read_frc_h(struct mlxsw_core *mlxsw_core); 430 u32 mlxsw_core_read_frc_l(struct mlxsw_core *mlxsw_core); 431 432 void mlxsw_core_emad_string_tlv_enable(struct mlxsw_core *mlxsw_core); 433 434 bool mlxsw_core_res_valid(struct mlxsw_core *mlxsw_core, 435 enum mlxsw_res_id res_id); 436 437 #define MLXSW_CORE_RES_VALID(mlxsw_core, short_res_id) \ 438 mlxsw_core_res_valid(mlxsw_core, MLXSW_RES_ID_##short_res_id) 439 440 u64 mlxsw_core_res_get(struct mlxsw_core *mlxsw_core, 441 enum mlxsw_res_id res_id); 442 443 #define MLXSW_CORE_RES_GET(mlxsw_core, short_res_id) \ 444 mlxsw_core_res_get(mlxsw_core, MLXSW_RES_ID_##short_res_id) 445 446 static inline struct net *mlxsw_core_net(struct mlxsw_core *mlxsw_core) 447 { 448 return devlink_net(priv_to_devlink(mlxsw_core)); 449 } 450 451 #define MLXSW_BUS_F_TXRX BIT(0) 452 #define MLXSW_BUS_F_RESET BIT(1) 453 454 struct mlxsw_bus { 455 const char *kind; 456 int (*init)(void *bus_priv, struct mlxsw_core *mlxsw_core, 457 const struct mlxsw_config_profile *profile, 458 struct mlxsw_res *res); 459 void (*fini)(void *bus_priv); 460 bool (*skb_transmit_busy)(void *bus_priv, 461 const struct mlxsw_tx_info *tx_info); 462 int (*skb_transmit)(void *bus_priv, struct sk_buff *skb, 463 const struct mlxsw_tx_info *tx_info); 464 int (*cmd_exec)(void *bus_priv, u16 opcode, u8 opcode_mod, 465 u32 in_mod, bool out_mbox_direct, 466 char *in_mbox, size_t in_mbox_size, 467 char *out_mbox, size_t out_mbox_size, 468 u8 *p_status); 469 u32 (*read_frc_h)(void *bus_priv); 470 u32 (*read_frc_l)(void *bus_priv); 471 u8 features; 472 }; 473 474 struct mlxsw_fw_rev { 475 u16 major; 476 u16 minor; 477 u16 subminor; 478 u16 can_reset_minor; 479 }; 480 481 #define MLXSW_BUS_INFO_XM_LOCAL_PORTS_MAX 4 482 483 struct mlxsw_bus_info { 484 const char *device_kind; 485 const char *device_name; 486 struct device *dev; 487 struct mlxsw_fw_rev fw_rev; 488 u8 vsd[MLXSW_CMD_BOARDINFO_VSD_LEN]; 489 u8 psid[MLXSW_CMD_BOARDINFO_PSID_LEN]; 490 u8 low_frequency:1, 491 read_frc_capable:1, 492 xm_exists:1; 493 u8 xm_local_ports_count; 494 u8 xm_local_ports[MLXSW_BUS_INFO_XM_LOCAL_PORTS_MAX]; 495 }; 496 497 struct mlxsw_hwmon; 498 499 #ifdef CONFIG_MLXSW_CORE_HWMON 500 501 int mlxsw_hwmon_init(struct mlxsw_core *mlxsw_core, 502 const struct mlxsw_bus_info *mlxsw_bus_info, 503 struct mlxsw_hwmon **p_hwmon); 504 void mlxsw_hwmon_fini(struct mlxsw_hwmon *mlxsw_hwmon); 505 506 #else 507 508 static inline int mlxsw_hwmon_init(struct mlxsw_core *mlxsw_core, 509 const struct mlxsw_bus_info *mlxsw_bus_info, 510 struct mlxsw_hwmon **p_hwmon) 511 { 512 return 0; 513 } 514 515 static inline void mlxsw_hwmon_fini(struct mlxsw_hwmon *mlxsw_hwmon) 516 { 517 } 518 519 #endif 520 521 struct mlxsw_thermal; 522 523 #ifdef CONFIG_MLXSW_CORE_THERMAL 524 525 int mlxsw_thermal_init(struct mlxsw_core *mlxsw_core, 526 const struct mlxsw_bus_info *mlxsw_bus_info, 527 struct mlxsw_thermal **p_thermal); 528 void mlxsw_thermal_fini(struct mlxsw_thermal *thermal); 529 530 #else 531 532 static inline int mlxsw_thermal_init(struct mlxsw_core *mlxsw_core, 533 const struct mlxsw_bus_info *mlxsw_bus_info, 534 struct mlxsw_thermal **p_thermal) 535 { 536 return 0; 537 } 538 539 static inline void mlxsw_thermal_fini(struct mlxsw_thermal *thermal) 540 { 541 } 542 543 #endif 544 545 enum mlxsw_devlink_param_id { 546 MLXSW_DEVLINK_PARAM_ID_BASE = DEVLINK_PARAM_GENERIC_ID_MAX, 547 MLXSW_DEVLINK_PARAM_ID_ACL_REGION_REHASH_INTERVAL, 548 }; 549 550 struct mlxsw_skb_cb { 551 union { 552 struct mlxsw_tx_info tx_info; 553 struct mlxsw_rx_md_info rx_md_info; 554 }; 555 }; 556 557 static inline struct mlxsw_skb_cb *mlxsw_skb_cb(struct sk_buff *skb) 558 { 559 BUILD_BUG_ON(sizeof(mlxsw_skb_cb) > sizeof(skb->cb)); 560 return (struct mlxsw_skb_cb *) skb->cb; 561 } 562 563 struct mlxsw_linecards; 564 565 enum mlxsw_linecard_status_event_type { 566 MLXSW_LINECARD_STATUS_EVENT_TYPE_PROVISION, 567 MLXSW_LINECARD_STATUS_EVENT_TYPE_UNPROVISION, 568 }; 569 570 struct mlxsw_linecard { 571 u8 slot_index; 572 struct mlxsw_linecards *linecards; 573 struct devlink_linecard *devlink_linecard; 574 struct mutex lock; /* Locks accesses to the linecard structure */ 575 char name[MLXSW_REG_MDDQ_SLOT_ASCII_NAME_LEN]; 576 char mbct_pl[MLXSW_REG_MBCT_LEN]; /* Too big for stack */ 577 enum mlxsw_linecard_status_event_type status_event_type_to; 578 struct delayed_work status_event_to_dw; 579 u8 provisioned:1, 580 ready:1, 581 active:1; 582 u16 hw_revision; 583 u16 ini_version; 584 }; 585 586 struct mlxsw_linecard_types_info; 587 588 struct mlxsw_linecards { 589 struct mlxsw_core *mlxsw_core; 590 const struct mlxsw_bus_info *bus_info; 591 u8 count; 592 struct mlxsw_linecard_types_info *types_info; 593 struct list_head event_ops_list; 594 struct mutex event_ops_list_lock; /* Locks accesses to event ops list */ 595 struct mlxsw_linecard linecards[]; 596 }; 597 598 static inline struct mlxsw_linecard * 599 mlxsw_linecard_get(struct mlxsw_linecards *linecards, u8 slot_index) 600 { 601 return &linecards->linecards[slot_index - 1]; 602 } 603 604 int mlxsw_linecards_init(struct mlxsw_core *mlxsw_core, 605 const struct mlxsw_bus_info *bus_info); 606 void mlxsw_linecards_fini(struct mlxsw_core *mlxsw_core); 607 608 typedef void mlxsw_linecards_event_op_t(struct mlxsw_core *mlxsw_core, 609 u8 slot_index, void *priv); 610 611 struct mlxsw_linecards_event_ops { 612 mlxsw_linecards_event_op_t *got_active; 613 mlxsw_linecards_event_op_t *got_inactive; 614 }; 615 616 int mlxsw_linecards_event_ops_register(struct mlxsw_core *mlxsw_core, 617 struct mlxsw_linecards_event_ops *ops, 618 void *priv); 619 void mlxsw_linecards_event_ops_unregister(struct mlxsw_core *mlxsw_core, 620 struct mlxsw_linecards_event_ops *ops, 621 void *priv); 622 623 #endif 624