drivers/net/wireless/iwlwifi/mvm/mvm.h

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  63
  64 #ifndef __IWL_MVM_H__
  65 #define __IWL_MVM_H__
  66
  67 #include <linux/list.h>
  68 #include <linux/spinlock.h>
  69 #include <linux/leds.h>
  70 #include <linux/in6.h>
  71
  72 #include "iwl-op-mode.h"
  73 #include "iwl-trans.h"
  74 #include "iwl-notif-wait.h"
  75 #include "iwl-eeprom-parse.h"
  76 #include "sta.h"
  77 #include "fw-api.h"
  78 #include "constants.h"
  79
  80 #define IWL_INVALID_MAC80211_QUEUE      0xff
  81 #define IWL_MVM_MAX_ADDRESSES           5
  82 /* RSSI offset for WkP */
  83 #define IWL_RSSI_OFFSET 50
  84 #define IWL_MVM_MISSED_BEACONS_THRESHOLD 8
  85
  86 /*
  87  * The CSA NoA is scheduled IWL_MVM_CHANNEL_SWITCH_TIME TUs before "beacon 0"
  88  * TBTT. This value should be big enough to ensure that we switch in time.
  89  */
  90 #define IWL_MVM_CHANNEL_SWITCH_TIME 40
  91
  92 /*
  93  * This value (in TUs) is used to fine tune the CSA NoA end time which should
  94  * be just before "beacon 0" TBTT.
  95  */
  96 #define IWL_MVM_CHANNEL_SWITCH_MARGIN 4
  97
  98 enum iwl_mvm_tx_fifo {
  99         IWL_MVM_TX_FIFO_BK = 0,
 100         IWL_MVM_TX_FIFO_BE,
 101         IWL_MVM_TX_FIFO_VI,
 102         IWL_MVM_TX_FIFO_VO,
 103         IWL_MVM_TX_FIFO_MCAST = 5,
 104 };
 105
 106 extern const struct ieee80211_ops iwl_mvm_hw_ops;
 107
 108 /**
 109  * struct iwl_mvm_mod_params - module parameters for iwlmvm
 110  * @init_dbg: if true, then the NIC won't be stopped if the INIT fw asserted.
 111  *      We will register to mac80211 to have testmode working. The NIC must not
 112  *      be up'ed after the INIT fw asserted. This is useful to be able to use
 113  *      proprietary tools over testmode to debug the INIT fw.
 114  * @power_scheme: CAM(Continuous Active Mode)-1, BPS(Balanced Power
 115  *      Save)-2(default), LP(Low Power)-3
 116  */
 117 struct iwl_mvm_mod_params {
 118         bool init_dbg;
 119         int power_scheme;
 120 };
 121 extern struct iwl_mvm_mod_params iwlmvm_mod_params;
 122
 123 struct iwl_mvm_phy_ctxt {
 124         u16 id;
 125         u16 color;
 126         u32 ref;
 127
 128         /*
 129          * TODO: This should probably be removed. Currently here only for rate
 130          * scaling algorithm
 131          */
 132         struct ieee80211_channel *channel;
 133 };
 134
 135 struct iwl_mvm_time_event_data {
 136         struct ieee80211_vif *vif;
 137         struct list_head list;
 138         unsigned long end_jiffies;
 139         u32 duration;
 140         bool running;
 141         u32 uid;
 142
 143         /*
 144          * The access to the 'id' field must be done when the
 145          * mvm->time_event_lock is held, as it value is used to indicate
 146          * if the te is in the time event list or not (when id == TE_MAX)
 147          */
 148         u32 id;
 149 };
 150
 151  /* Power management */
 152
 153 /**
 154  * enum iwl_power_scheme
 155  * @IWL_POWER_LEVEL_CAM - Continuously Active Mode
 156  * @IWL_POWER_LEVEL_BPS - Balanced Power Save (default)
 157  * @IWL_POWER_LEVEL_LP  - Low Power
 158  */
 159 enum iwl_power_scheme {
 160         IWL_POWER_SCHEME_CAM = 1,
 161         IWL_POWER_SCHEME_BPS,
 162         IWL_POWER_SCHEME_LP
 163 };
 164
 165 #define IWL_CONN_MAX_LISTEN_INTERVAL    10
 166 #define IWL_UAPSD_AC_INFO               (IEEE80211_WMM_IE_STA_QOSINFO_AC_VO |\
 167                                          IEEE80211_WMM_IE_STA_QOSINFO_AC_VI |\
 168                                          IEEE80211_WMM_IE_STA_QOSINFO_AC_BK |\
 169                                          IEEE80211_WMM_IE_STA_QOSINFO_AC_BE)
 170 #define IWL_UAPSD_MAX_SP                IEEE80211_WMM_IE_STA_QOSINFO_SP_2
 171
 172 #ifdef CONFIG_IWLWIFI_DEBUGFS
 173 enum iwl_dbgfs_pm_mask {
 174         MVM_DEBUGFS_PM_KEEP_ALIVE = BIT(0),
 175         MVM_DEBUGFS_PM_SKIP_OVER_DTIM = BIT(1),
 176         MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS = BIT(2),
 177         MVM_DEBUGFS_PM_RX_DATA_TIMEOUT = BIT(3),
 178         MVM_DEBUGFS_PM_TX_DATA_TIMEOUT = BIT(4),
 179         MVM_DEBUGFS_PM_LPRX_ENA = BIT(6),
 180         MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD = BIT(7),
 181         MVM_DEBUGFS_PM_SNOOZE_ENABLE = BIT(8),
 182         MVM_DEBUGFS_PM_UAPSD_MISBEHAVING = BIT(9),
 183 };
 184
 185 struct iwl_dbgfs_pm {
 186         u16 keep_alive_seconds;
 187         u32 rx_data_timeout;
 188         u32 tx_data_timeout;
 189         bool skip_over_dtim;
 190         u8 skip_dtim_periods;
 191         bool lprx_ena;
 192         u32 lprx_rssi_threshold;
 193         bool snooze_ena;
 194         bool uapsd_misbehaving;
 195         int mask;
 196 };
 197
 198 /* beacon filtering */
 199
 200 enum iwl_dbgfs_bf_mask {
 201         MVM_DEBUGFS_BF_ENERGY_DELTA = BIT(0),
 202         MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA = BIT(1),
 203         MVM_DEBUGFS_BF_ROAMING_STATE = BIT(2),
 204         MVM_DEBUGFS_BF_TEMP_THRESHOLD = BIT(3),
 205         MVM_DEBUGFS_BF_TEMP_FAST_FILTER = BIT(4),
 206         MVM_DEBUGFS_BF_TEMP_SLOW_FILTER = BIT(5),
 207         MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER = BIT(6),
 208         MVM_DEBUGFS_BF_DEBUG_FLAG = BIT(7),
 209         MVM_DEBUGFS_BF_ESCAPE_TIMER = BIT(8),
 210         MVM_DEBUGFS_BA_ESCAPE_TIMER = BIT(9),
 211         MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT = BIT(10),
 212 };
 213
 214 struct iwl_dbgfs_bf {
 215         u32 bf_energy_delta;
 216         u32 bf_roaming_energy_delta;
 217         u32 bf_roaming_state;
 218         u32 bf_temp_threshold;
 219         u32 bf_temp_fast_filter;
 220         u32 bf_temp_slow_filter;
 221         u32 bf_enable_beacon_filter;
 222         u32 bf_debug_flag;
 223         u32 bf_escape_timer;
 224         u32 ba_escape_timer;
 225         u32 ba_enable_beacon_abort;
 226         int mask;
 227 };
 228 #endif
 229
 230 enum iwl_mvm_smps_type_request {
 231         IWL_MVM_SMPS_REQ_BT_COEX,
 232         IWL_MVM_SMPS_REQ_TT,
 233         NUM_IWL_MVM_SMPS_REQ,
 234 };
 235
 236 enum iwl_mvm_ref_type {
 237         IWL_MVM_REF_UCODE_DOWN,
 238         IWL_MVM_REF_SCAN,
 239         IWL_MVM_REF_ROC,
 240         IWL_MVM_REF_P2P_CLIENT,
 241         IWL_MVM_REF_AP_IBSS,
 242         IWL_MVM_REF_USER,
 243         IWL_MVM_REF_TX,
 244         IWL_MVM_REF_TX_AGG,
 245         IWL_MVM_REF_ADD_IF,
 246         IWL_MVM_REF_EXIT_WORK,
 247
 248         IWL_MVM_REF_COUNT,
 249 };
 250
 251 enum iwl_bt_force_ant_mode {
 252         BT_FORCE_ANT_DIS = 0,
 253         BT_FORCE_ANT_AUTO,
 254         BT_FORCE_ANT_BT,
 255         BT_FORCE_ANT_WIFI,
 256
 257         BT_FORCE_ANT_MAX,
 258 };
 259
 260 /**
 261 * struct iwl_mvm_vif_bf_data - beacon filtering related data
 262 * @bf_enabled: indicates if beacon filtering is enabled
 263 * @ba_enabled: indicated if beacon abort is enabled
 264 * @last_beacon_signal: last beacon rssi signal in dbm
 265 * @ave_beacon_signal: average beacon signal
 266 * @last_cqm_event: rssi of the last cqm event
 267 * @bt_coex_min_thold: minimum threshold for BT coex
 268 * @bt_coex_max_thold: maximum threshold for BT coex
 269 * @last_bt_coex_event: rssi of the last BT coex event
 270 */
 271 struct iwl_mvm_vif_bf_data {
 272         bool bf_enabled;
 273         bool ba_enabled;
 274         s8 ave_beacon_signal;
 275         s8 last_cqm_event;
 276         s8 bt_coex_min_thold;
 277         s8 bt_coex_max_thold;
 278         s8 last_bt_coex_event;
 279 };
 280
 281 /**
 282  * struct iwl_mvm_vif - data per Virtual Interface, it is a MAC context
 283  * @id: between 0 and 3
 284  * @color: to solve races upon MAC addition and removal
 285  * @ap_sta_id: the sta_id of the AP - valid only if VIF type is STA
 286  * @uploaded: indicates the MAC context has been added to the device
 287  * @ap_ibss_active: indicates that AP/IBSS is configured and that the interface
 288  *      should get quota etc.
 289  * @pm_enabled - Indicate if MAC power management is allowed
 290  * @monitor_active: indicates that monitor context is configured, and that the
 291  *      interface should get quota etc.
 292  * @low_latency: indicates that this interface is in low-latency mode
 293  *      (VMACLowLatencyMode)
 294  * @queue_params: QoS params for this MAC
 295  * @bcast_sta: station used for broadcast packets. Used by the following
 296  *  vifs: P2P_DEVICE, GO and AP.
 297  * @beacon_skb: the skb used to hold the AP/GO beacon template
 298  * @smps_requests: the SMPS requests of differents parts of the driver,
 299  *      combined on update to yield the overall request to mac80211.
 300  */
 301 struct iwl_mvm_vif {
 302         u16 id;
 303         u16 color;
 304         u8 ap_sta_id;
 305
 306         bool uploaded;
 307         bool ap_ibss_active;
 308         bool pm_enabled;
 309         bool monitor_active;
 310         bool low_latency;
 311         struct iwl_mvm_vif_bf_data bf_data;
 312
 313         u32 ap_beacon_time;
 314
 315         enum iwl_tsf_id tsf_id;
 316
 317         /*
 318          * QoS data from mac80211, need to store this here
 319          * as mac80211 has a separate callback but we need
 320          * to have the data for the MAC context
 321          */
 322         struct ieee80211_tx_queue_params queue_params[IEEE80211_NUM_ACS];
 323         struct iwl_mvm_time_event_data time_event_data;
 324
 325         struct iwl_mvm_int_sta bcast_sta;
 326
 327         /*
 328          * Assigned while mac80211 has the interface in a channel context,
 329          * or, for P2P Device, while it exists.
 330          */
 331         struct iwl_mvm_phy_ctxt *phy_ctxt;
 332
 333 #ifdef CONFIG_PM_SLEEP
 334         /* WoWLAN GTK rekey data */
 335         struct {
 336                 u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN];
 337                 __le64 replay_ctr;
 338                 bool valid;
 339         } rekey_data;
 340
 341         int tx_key_idx;
 342
 343         bool seqno_valid;
 344         u16 seqno;
 345 #endif
 346
 347 #if IS_ENABLED(CONFIG_IPV6)
 348         /* IPv6 addresses for WoWLAN */
 349         struct in6_addr target_ipv6_addrs[IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_MAX];
 350         int num_target_ipv6_addrs;
 351 #endif
 352
 353 #ifdef CONFIG_IWLWIFI_DEBUGFS
 354         struct iwl_mvm *mvm;
 355         struct dentry *dbgfs_dir;
 356         struct dentry *dbgfs_slink;
 357         struct iwl_dbgfs_pm dbgfs_pm;
 358         struct iwl_dbgfs_bf dbgfs_bf;
 359         struct iwl_mac_power_cmd mac_pwr_cmd;
 360 #endif
 361
 362         enum ieee80211_smps_mode smps_requests[NUM_IWL_MVM_SMPS_REQ];
 363
 364         /* FW identified misbehaving AP */
 365         u8 uapsd_misbehaving_bssid[ETH_ALEN];
 366 };
 367
 368 static inline struct iwl_mvm_vif *
 369 iwl_mvm_vif_from_mac80211(struct ieee80211_vif *vif)
 370 {
 371         return (void *)vif->drv_priv;
 372 }
 373
 374 extern const u8 tid_to_mac80211_ac[];
 375
 376 enum iwl_scan_status {
 377         IWL_MVM_SCAN_NONE,
 378         IWL_MVM_SCAN_OS,
 379         IWL_MVM_SCAN_SCHED,
 380 };
 381
 382 /**
 383  * struct iwl_nvm_section - describes an NVM section in memory.
 384  *
 385  * This struct holds an NVM section read from the NIC using NVM_ACCESS_CMD,
 386  * and saved for later use by the driver. Not all NVM sections are saved
 387  * this way, only the needed ones.
 388  */
 389 struct iwl_nvm_section {
 390         u16 length;
 391         const u8 *data;
 392 };
 393
 394 /*
 395  * Tx-backoff threshold
 396  * @temperature: The threshold in Celsius
 397  * @backoff: The tx-backoff in uSec
 398  */
 399 struct iwl_tt_tx_backoff {
 400         s32 temperature;
 401         u32 backoff;
 402 };
 403
 404 #define TT_TX_BACKOFF_SIZE 6
 405
 406 /**
 407  * struct iwl_tt_params - thermal throttling parameters
 408  * @ct_kill_entry: CT Kill entry threshold
 409  * @ct_kill_exit: CT Kill exit threshold
 410  * @ct_kill_duration: The time  intervals (in uSec) in which the driver needs
 411  *      to checks whether to exit CT Kill.
 412  * @dynamic_smps_entry: Dynamic SMPS entry threshold
 413  * @dynamic_smps_exit: Dynamic SMPS exit threshold
 414  * @tx_protection_entry: TX protection entry threshold
 415  * @tx_protection_exit: TX protection exit threshold
 416  * @tx_backoff: Array of thresholds for tx-backoff , in ascending order.
 417  * @support_ct_kill: Support CT Kill?
 418  * @support_dynamic_smps: Support dynamic SMPS?
 419  * @support_tx_protection: Support tx protection?
 420  * @support_tx_backoff: Support tx-backoff?
 421  */
 422 struct iwl_tt_params {
 423         s32 ct_kill_entry;
 424         s32 ct_kill_exit;
 425         u32 ct_kill_duration;
 426         s32 dynamic_smps_entry;
 427         s32 dynamic_smps_exit;
 428         s32 tx_protection_entry;
 429         s32 tx_protection_exit;
 430         struct iwl_tt_tx_backoff tx_backoff[TT_TX_BACKOFF_SIZE];
 431         bool support_ct_kill;
 432         bool support_dynamic_smps;
 433         bool support_tx_protection;
 434         bool support_tx_backoff;
 435 };
 436
 437 /**
 438  * struct iwl_mvm_tt_mgnt - Thermal Throttling Management structure
 439  * @ct_kill_exit: worker to exit thermal kill
 440  * @dynamic_smps: Is thermal throttling enabled dynamic_smps?
 441  * @tx_backoff: The current thremal throttling tx backoff in uSec.
 442  * @min_backoff: The minimal tx backoff due to power restrictions
 443  * @params: Parameters to configure the thermal throttling algorithm.
 444  * @throttle: Is thermal throttling is active?
 445  */
 446 struct iwl_mvm_tt_mgmt {
 447         struct delayed_work ct_kill_exit;
 448         bool dynamic_smps;
 449         u32 tx_backoff;
 450         u32 min_backoff;
 451         const struct iwl_tt_params *params;
 452         bool throttle;
 453 };
 454
 455 #define IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES 8
 456
 457 struct iwl_mvm_frame_stats {
 458         u32 legacy_frames;
 459         u32 ht_frames;
 460         u32 vht_frames;
 461         u32 bw_20_frames;
 462         u32 bw_40_frames;
 463         u32 bw_80_frames;
 464         u32 bw_160_frames;
 465         u32 sgi_frames;
 466         u32 ngi_frames;
 467         u32 siso_frames;
 468         u32 mimo2_frames;
 469         u32 agg_frames;
 470         u32 ampdu_count;
 471         u32 success_frames;
 472         u32 fail_frames;
 473         u32 last_rates[IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES];
 474         int last_frame_idx;
 475 };
 476
 477 enum {
 478         D0I3_DEFER_WAKEUP,
 479         D0I3_PENDING_WAKEUP,
 480 };
 481
 482 struct iwl_mvm {
 483         /* for logger access */
 484         struct device *dev;
 485
 486         struct iwl_trans *trans;
 487         const struct iwl_fw *fw;
 488         const struct iwl_cfg *cfg;
 489         struct iwl_phy_db *phy_db;
 490         struct ieee80211_hw *hw;
 491
 492         /* for protecting access to iwl_mvm */
 493         struct mutex mutex;
 494         struct list_head async_handlers_list;
 495         spinlock_t async_handlers_lock;
 496         struct work_struct async_handlers_wk;
 497
 498         struct work_struct roc_done_wk;
 499
 500         unsigned long status;
 501
 502         /*
 503          * for beacon filtering -
 504          * currently only one interface can be supported
 505          */
 506         struct iwl_mvm_vif *bf_allowed_vif;
 507
 508         enum iwl_ucode_type cur_ucode;
 509         bool ucode_loaded;
 510         bool init_ucode_complete;
 511         u32 error_event_table;
 512         u32 log_event_table;
 513         u32 umac_error_event_table;
 514         bool support_umac_log;
 515         struct iwl_sf_region sf_space;
 516
 517         u32 ampdu_ref;
 518
 519         struct iwl_notif_wait_data notif_wait;
 520
 521         struct mvm_statistics_rx rx_stats;
 522
 523         unsigned long transport_queue_stop;
 524         u8 queue_to_mac80211[IWL_MAX_HW_QUEUES];
 525         atomic_t queue_stop_count[IWL_MAX_HW_QUEUES];
 526
 527         const char *nvm_file_name;
 528         struct iwl_nvm_data *nvm_data;
 529         /* NVM sections */
 530         struct iwl_nvm_section nvm_sections[NVM_MAX_NUM_SECTIONS];
 531
 532         /* EEPROM MAC addresses */
 533         struct mac_address addresses[IWL_MVM_MAX_ADDRESSES];
 534
 535         /* data related to data path */
 536         struct iwl_rx_phy_info last_phy_info;
 537         struct ieee80211_sta __rcu *fw_id_to_mac_id[IWL_MVM_STATION_COUNT];
 538         struct work_struct sta_drained_wk;
 539         unsigned long sta_drained[BITS_TO_LONGS(IWL_MVM_STATION_COUNT)];
 540         atomic_t pending_frames[IWL_MVM_STATION_COUNT];
 541         u8 rx_ba_sessions;
 542
 543         /* configured by mac80211 */
 544         u32 rts_threshold;
 545
 546         /* Scan status, cmd (pre-allocated) and auxiliary station */
 547         enum iwl_scan_status scan_status;
 548         void *scan_cmd;
 549         struct iwl_mcast_filter_cmd *mcast_filter_cmd;
 550
 551         /* rx chain antennas set through debugfs for the scan command */
 552         u8 scan_rx_ant;
 553
 554 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
 555         /* broadcast filters to configure for each associated station */
 556         const struct iwl_fw_bcast_filter *bcast_filters;
 557 #ifdef CONFIG_IWLWIFI_DEBUGFS
 558         struct {
 559                 u32 override; /* u32 for debugfs_create_bool */
 560                 struct iwl_bcast_filter_cmd cmd;
 561         } dbgfs_bcast_filtering;
 562 #endif
 563 #endif
 564
 565         /* Internal station */
 566         struct iwl_mvm_int_sta aux_sta;
 567
 568         bool last_ebs_successful;
 569
 570         u8 scan_last_antenna_idx; /* to toggle TX between antennas */
 571         u8 mgmt_last_antenna_idx;
 572
 573         /* last smart fifo state that was successfully sent to firmware */
 574         enum iwl_sf_state sf_state;
 575
 576 #ifdef CONFIG_IWLWIFI_DEBUGFS
 577         struct dentry *debugfs_dir;
 578         u32 dbgfs_sram_offset, dbgfs_sram_len;
 579         u32 dbgfs_prph_reg_addr;
 580         bool disable_power_off;
 581         bool disable_power_off_d3;
 582
 583         struct debugfs_blob_wrapper nvm_hw_blob;
 584         struct debugfs_blob_wrapper nvm_sw_blob;
 585         struct debugfs_blob_wrapper nvm_calib_blob;
 586         struct debugfs_blob_wrapper nvm_prod_blob;
 587
 588         struct iwl_mvm_frame_stats drv_rx_stats;
 589         spinlock_t drv_stats_lock;
 590 #endif
 591
 592         struct iwl_mvm_phy_ctxt phy_ctxts[NUM_PHY_CTX];
 593
 594         struct list_head time_event_list;
 595         spinlock_t time_event_lock;
 596
 597         /*
 598          * A bitmap indicating the index of the key in use. The firmware
 599          * can hold 16 keys at most. Reflect this fact.
 600          */
 601         unsigned long fw_key_table[BITS_TO_LONGS(STA_KEY_MAX_NUM)];
 602
 603         /* A bitmap of reference types taken by the driver. */
 604         unsigned long ref_bitmap[BITS_TO_LONGS(IWL_MVM_REF_COUNT)];
 605
 606         u8 vif_count;
 607
 608         /* -1 for always, 0 for never, >0 for that many times */
 609         s8 restart_fw;
 610         void *fw_error_dump;
 611
 612 #ifdef CONFIG_IWLWIFI_LEDS
 613         struct led_classdev led;
 614 #endif
 615
 616         struct ieee80211_vif *p2p_device_vif;
 617
 618 #ifdef CONFIG_PM_SLEEP
 619         struct wiphy_wowlan_support wowlan;
 620         int gtk_ivlen, gtk_icvlen, ptk_ivlen, ptk_icvlen;
 621 #ifdef CONFIG_IWLWIFI_DEBUGFS
 622         u32 d3_wake_sysassert; /* must be u32 for debugfs_create_bool */
 623         bool d3_test_active;
 624         bool store_d3_resume_sram;
 625         void *d3_resume_sram;
 626         u32 d3_test_pme_ptr;
 627         struct ieee80211_vif *keep_vif;
 628 #endif
 629 #endif
 630
 631         /* d0i3 */
 632         u8 d0i3_ap_sta_id;
 633         bool d0i3_offloading;
 634         struct work_struct d0i3_exit_work;
 635         struct sk_buff_head d0i3_tx;
 636         /* protect d0i3_suspend_flags */
 637         struct mutex d0i3_suspend_mutex;
 638         unsigned long d0i3_suspend_flags;
 639         /* sync d0i3_tx queue and IWL_MVM_STATUS_IN_D0I3 status flag */
 640         spinlock_t d0i3_tx_lock;
 641         wait_queue_head_t d0i3_exit_waitq;
 642
 643         /* BT-Coex */
 644         u8 bt_kill_msk;
 645
 646         struct iwl_bt_coex_profile_notif_old last_bt_notif_old;
 647         struct iwl_bt_coex_ci_cmd_old last_bt_ci_cmd_old;
 648         struct iwl_bt_coex_profile_notif last_bt_notif;
 649         struct iwl_bt_coex_ci_cmd last_bt_ci_cmd;
 650
 651         u32 last_ant_isol;
 652         u8 last_corun_lut;
 653         u8 bt_tx_prio;
 654         enum iwl_bt_force_ant_mode bt_force_ant_mode;
 655
 656         /* Thermal Throttling and CTkill */
 657         struct iwl_mvm_tt_mgmt thermal_throttle;
 658         s32 temperature;        /* Celsius */
 659
 660 #ifdef CONFIG_NL80211_TESTMODE
 661         u32 noa_duration;
 662         struct ieee80211_vif *noa_vif;
 663 #endif
 664
 665         /* Tx queues */
 666         u8 aux_queue;
 667         u8 first_agg_queue;
 668         u8 last_agg_queue;
 669
 670         /* Indicate if device power save is allowed */
 671         bool ps_disabled;
 672
 673         struct ieee80211_vif __rcu *csa_vif;
 674
 675         /* system time of last beacon (for AP/GO interface) */
 676         u32 ap_last_beacon_gp2;
 677 };
 678
 679 /* Extract MVM priv from op_mode and _hw */
 680 #define IWL_OP_MODE_GET_MVM(_iwl_op_mode)               \
 681         ((struct iwl_mvm *)(_iwl_op_mode)->op_mode_specific)
 682
 683 #define IWL_MAC80211_GET_MVM(_hw)                       \
 684         IWL_OP_MODE_GET_MVM((struct iwl_op_mode *)((_hw)->priv))
 685
 686 enum iwl_mvm_status {
 687         IWL_MVM_STATUS_HW_RFKILL,
 688         IWL_MVM_STATUS_HW_CTKILL,
 689         IWL_MVM_STATUS_ROC_RUNNING,
 690         IWL_MVM_STATUS_IN_HW_RESTART,
 691         IWL_MVM_STATUS_IN_D0I3,
 692 };
 693
 694 static inline bool iwl_mvm_is_radio_killed(struct iwl_mvm *mvm)
 695 {
 696         return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status) ||
 697                test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
 698 }
 699
 700 static inline struct iwl_mvm_sta *
 701 iwl_mvm_sta_from_staid_protected(struct iwl_mvm *mvm, u8 sta_id)
 702 {
 703         struct ieee80211_sta *sta;
 704
 705         if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
 706                 return NULL;
 707
 708         sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id],
 709                                         lockdep_is_held(&mvm->mutex));
 710
 711         /* This can happen if the station has been removed right now */
 712         if (IS_ERR_OR_NULL(sta))
 713                 return NULL;
 714
 715         return iwl_mvm_sta_from_mac80211(sta);
 716 }
 717
 718 static inline bool iwl_mvm_is_d0i3_supported(struct iwl_mvm *mvm)
 719 {
 720         return mvm->trans->cfg->d0i3 &&
 721                (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_D0I3_SUPPORT);
 722 }
 723
 724 extern const u8 iwl_mvm_ac_to_tx_fifo[];
 725
 726 struct iwl_rate_info {
 727         u8 plcp;        /* uCode API:  IWL_RATE_6M_PLCP, etc. */
 728         u8 plcp_siso;   /* uCode API:  IWL_RATE_SISO_6M_PLCP, etc. */
 729         u8 plcp_mimo2;  /* uCode API:  IWL_RATE_MIMO2_6M_PLCP, etc. */
 730         u8 plcp_mimo3;  /* uCode API:  IWL_RATE_MIMO3_6M_PLCP, etc. */
 731         u8 ieee;        /* MAC header:  IWL_RATE_6M_IEEE, etc. */
 732 };
 733
 734 /******************
 735  * MVM Methods
 736  ******************/
 737 /* uCode */
 738 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm);
 739
 740 /* Utils */
 741 int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags,
 742                                         enum ieee80211_band band);
 743 void iwl_mvm_hwrate_to_tx_rate(u32 rate_n_flags,
 744                                enum ieee80211_band band,
 745                                struct ieee80211_tx_rate *r);
 746 u8 iwl_mvm_mac80211_idx_to_hwrate(int rate_idx);
 747 void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm);
 748 u8 first_antenna(u8 mask);
 749 u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx);
 750
 751 /* Tx / Host Commands */
 752 int __must_check iwl_mvm_send_cmd(struct iwl_mvm *mvm,
 753                                   struct iwl_host_cmd *cmd);
 754 int __must_check iwl_mvm_send_cmd_pdu(struct iwl_mvm *mvm, u8 id,
 755                                       u32 flags, u16 len, const void *data);
 756 int __must_check iwl_mvm_send_cmd_status(struct iwl_mvm *mvm,
 757                                          struct iwl_host_cmd *cmd,
 758                                          u32 *status);
 759 int __must_check iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u8 id,
 760                                              u16 len, const void *data,
 761                                              u32 *status);
 762 int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb,
 763                    struct ieee80211_sta *sta);
 764 int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb);
 765 #ifdef CONFIG_IWLWIFI_DEBUG
 766 const char *iwl_mvm_get_tx_fail_reason(u32 status);
 767 #else
 768 static inline const char *iwl_mvm_get_tx_fail_reason(u32 status) { return ""; }
 769 #endif
 770 int iwl_mvm_flush_tx_path(struct iwl_mvm *mvm, u32 tfd_msk, bool sync);
 771 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm);
 772
 773 static inline void iwl_mvm_wait_for_async_handlers(struct iwl_mvm *mvm)
 774 {
 775         flush_work(&mvm->async_handlers_wk);
 776 }
 777
 778 /* Statistics */
 779 int iwl_mvm_rx_reply_statistics(struct iwl_mvm *mvm,
 780                                 struct iwl_rx_cmd_buffer *rxb,
 781                                 struct iwl_device_cmd *cmd);
 782 int iwl_mvm_rx_statistics(struct iwl_mvm *mvm,
 783                           struct iwl_rx_cmd_buffer *rxb,
 784                           struct iwl_device_cmd *cmd);
 785
 786 /* NVM */
 787 int iwl_nvm_init(struct iwl_mvm *mvm, bool read_nvm_from_nic);
 788 int iwl_mvm_load_nvm_to_nic(struct iwl_mvm *mvm);
 789
 790 int iwl_mvm_up(struct iwl_mvm *mvm);
 791 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm);
 792
 793 int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm);
 794 bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm,
 795                                     struct iwl_bcast_filter_cmd *cmd);
 796
 797 /*
 798  * FW notifications / CMD responses handlers
 799  * Convention: iwl_mvm_rx_<NAME OF THE CMD>
 800  */
 801 int iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 802                           struct iwl_device_cmd *cmd);
 803 int iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 804                        struct iwl_device_cmd *cmd);
 805 int iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 806                       struct iwl_device_cmd *cmd);
 807 int iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 808                         struct iwl_device_cmd *cmd);
 809 int iwl_mvm_rx_radio_ver(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 810                          struct iwl_device_cmd *cmd);
 811 int iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm,
 812                                   struct iwl_rx_cmd_buffer *rxb,
 813                                   struct iwl_device_cmd *cmd);
 814 int iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 815                           struct iwl_device_cmd *cmd);
 816 int iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
 817                                 struct iwl_rx_cmd_buffer *rxb,
 818                                 struct iwl_device_cmd *cmd);
 819 int iwl_mvm_rx_radio_ver(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 820                          struct iwl_device_cmd *cmd);
 821
 822 /* MVM PHY */
 823 int iwl_mvm_phy_ctxt_add(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
 824                          struct cfg80211_chan_def *chandef,
 825                          u8 chains_static, u8 chains_dynamic);
 826 int iwl_mvm_phy_ctxt_changed(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
 827                              struct cfg80211_chan_def *chandef,
 828                              u8 chains_static, u8 chains_dynamic);
 829 void iwl_mvm_phy_ctxt_ref(struct iwl_mvm *mvm,
 830                           struct iwl_mvm_phy_ctxt *ctxt);
 831 void iwl_mvm_phy_ctxt_unref(struct iwl_mvm *mvm,
 832                             struct iwl_mvm_phy_ctxt *ctxt);
 833
 834 /* MAC (virtual interface) programming */
 835 int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 836 void iwl_mvm_mac_ctxt_release(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 837 int iwl_mvm_mac_ctxt_add(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 838 int iwl_mvm_mac_ctxt_changed(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 839                              bool force_assoc_off);
 840 int iwl_mvm_mac_ctxt_remove(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 841 u32 iwl_mvm_mac_get_queues_mask(struct iwl_mvm *mvm,
 842                                 struct ieee80211_vif *vif);
 843 int iwl_mvm_mac_ctxt_beacon_changed(struct iwl_mvm *mvm,
 844                                     struct ieee80211_vif *vif);
 845 int iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm,
 846                             struct iwl_rx_cmd_buffer *rxb,
 847                             struct iwl_device_cmd *cmd);
 848 int iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm,
 849                                     struct iwl_rx_cmd_buffer *rxb,
 850                                     struct iwl_device_cmd *cmd);
 851 void iwl_mvm_mac_ctxt_recalc_tsf_id(struct iwl_mvm *mvm,
 852                                     struct ieee80211_vif *vif);
 853
 854 /* Bindings */
 855 int iwl_mvm_binding_add_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 856 int iwl_mvm_binding_remove_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 857
 858 /* Quota management */
 859 int iwl_mvm_update_quotas(struct iwl_mvm *mvm,
 860                           struct ieee80211_vif *disabled_vif);
 861
 862 /* Scanning */
 863 int iwl_mvm_scan_request(struct iwl_mvm *mvm,
 864                          struct ieee80211_vif *vif,
 865                          struct cfg80211_scan_request *req);
 866 int iwl_mvm_rx_scan_response(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 867                              struct iwl_device_cmd *cmd);
 868 int iwl_mvm_rx_scan_complete(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 869                              struct iwl_device_cmd *cmd);
 870 int iwl_mvm_cancel_scan(struct iwl_mvm *mvm);
 871
 872 /* Scheduled scan */
 873 int iwl_mvm_rx_scan_offload_complete_notif(struct iwl_mvm *mvm,
 874                                            struct iwl_rx_cmd_buffer *rxb,
 875                                            struct iwl_device_cmd *cmd);
 876 int iwl_mvm_config_sched_scan(struct iwl_mvm *mvm,
 877                               struct ieee80211_vif *vif,
 878                               struct cfg80211_sched_scan_request *req,
 879                               struct ieee80211_scan_ies *ies);
 880 int iwl_mvm_config_sched_scan_profiles(struct iwl_mvm *mvm,
 881                                        struct cfg80211_sched_scan_request *req);
 882 int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm,
 883                              struct cfg80211_sched_scan_request *req);
 884 int iwl_mvm_scan_offload_stop(struct iwl_mvm *mvm, bool notify);
 885 int iwl_mvm_rx_scan_offload_results(struct iwl_mvm *mvm,
 886                                     struct iwl_rx_cmd_buffer *rxb,
 887                                     struct iwl_device_cmd *cmd);
 888
 889 /* Unified scan */
 890 int iwl_mvm_unified_scan_lmac(struct iwl_mvm *mvm,
 891                               struct ieee80211_vif *vif,
 892                               struct ieee80211_scan_request *req);
 893 int iwl_mvm_unified_sched_scan_lmac(struct iwl_mvm *mvm,
 894                                     struct ieee80211_vif *vif,
 895                                     struct cfg80211_sched_scan_request *req,
 896                                     struct ieee80211_scan_ies *ies);
 897
 898 /* MVM debugfs */
 899 #ifdef CONFIG_IWLWIFI_DEBUGFS
 900 int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir);
 901 void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 902 void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 903 #else
 904 static inline int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm,
 905                                          struct dentry *dbgfs_dir)
 906 {
 907         return 0;
 908 }
 909 static inline void
 910 iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
 911 {
 912 }
 913 static inline void
 914 iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
 915 {
 916 }
 917 #endif /* CONFIG_IWLWIFI_DEBUGFS */
 918
 919 /* rate scaling */
 920 int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool init);
 921 void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm,
 922                                 struct iwl_mvm_frame_stats *stats,
 923                                 u32 rate, bool agg);
 924 int rs_pretty_print_rate(char *buf, const u32 rate);
 925
 926 /* power management */
 927 int iwl_mvm_power_update_device(struct iwl_mvm *mvm);
 928 int iwl_mvm_power_update_mac(struct iwl_mvm *mvm);
 929 int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 930                                  char *buf, int bufsz);
 931
 932 void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 933 int iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm,
 934                                              struct iwl_rx_cmd_buffer *rxb,
 935                                              struct iwl_device_cmd *cmd);
 936
 937 #ifdef CONFIG_IWLWIFI_LEDS
 938 int iwl_mvm_leds_init(struct iwl_mvm *mvm);
 939 void iwl_mvm_leds_exit(struct iwl_mvm *mvm);
 940 #else
 941 static inline int iwl_mvm_leds_init(struct iwl_mvm *mvm)
 942 {
 943         return 0;
 944 }
 945 static inline void iwl_mvm_leds_exit(struct iwl_mvm *mvm)
 946 {
 947 }
 948 #endif
 949
 950 /* D3 (WoWLAN, NetDetect) */
 951 int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan);
 952 int iwl_mvm_resume(struct ieee80211_hw *hw);
 953 void iwl_mvm_set_wakeup(struct ieee80211_hw *hw, bool enabled);
 954 void iwl_mvm_set_rekey_data(struct ieee80211_hw *hw,
 955                             struct ieee80211_vif *vif,
 956                             struct cfg80211_gtk_rekey_data *data);
 957 void iwl_mvm_ipv6_addr_change(struct ieee80211_hw *hw,
 958                               struct ieee80211_vif *vif,
 959                               struct inet6_dev *idev);
 960 void iwl_mvm_set_default_unicast_key(struct ieee80211_hw *hw,
 961                                      struct ieee80211_vif *vif, int idx);
 962 extern const struct file_operations iwl_dbgfs_d3_test_ops;
 963 #ifdef CONFIG_PM_SLEEP
 964 void iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm,
 965                                  struct ieee80211_vif *vif);
 966 #else
 967 static inline void
 968 iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
 969 {
 970 }
 971 #endif
 972 void iwl_mvm_set_wowlan_qos_seq(struct iwl_mvm_sta *mvm_ap_sta,
 973                                 struct iwl_wowlan_config_cmd_v2 *cmd);
 974 int iwl_mvm_send_proto_offload(struct iwl_mvm *mvm,
 975                                struct ieee80211_vif *vif,
 976                                bool disable_offloading,
 977                                u32 cmd_flags);
 978
 979 /* D0i3 */
 980 void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
 981 void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
 982 void iwl_mvm_d0i3_enable_tx(struct iwl_mvm *mvm, __le16 *qos_seq);
 983 int _iwl_mvm_exit_d0i3(struct iwl_mvm *mvm);
 984
 985 /* BT Coex */
 986 int iwl_send_bt_init_conf(struct iwl_mvm *mvm);
 987 int iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm,
 988                              struct iwl_rx_cmd_buffer *rxb,
 989                              struct iwl_device_cmd *cmd);
 990 void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 991                            enum ieee80211_rssi_event rssi_event);
 992 void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm);
 993 u16 iwl_mvm_coex_agg_time_limit(struct iwl_mvm *mvm,
 994                                 struct ieee80211_sta *sta);
 995 bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm,
 996                                      struct ieee80211_sta *sta);
 997 bool iwl_mvm_bt_coex_is_shared_ant_avail(struct iwl_mvm *mvm);
 998 bool iwl_mvm_bt_coex_is_tpc_allowed(struct iwl_mvm *mvm,
 999                                     enum ieee80211_band band);
1000 u8 iwl_mvm_bt_coex_tx_prio(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr,
1001                            struct ieee80211_tx_info *info, u8 ac);
1002
1003 bool iwl_mvm_bt_coex_is_shared_ant_avail_old(struct iwl_mvm *mvm);
1004 void iwl_mvm_bt_coex_vif_change_old(struct iwl_mvm *mvm);
1005 int iwl_send_bt_init_conf_old(struct iwl_mvm *mvm);
1006 int iwl_mvm_rx_bt_coex_notif_old(struct iwl_mvm *mvm,
1007                                  struct iwl_rx_cmd_buffer *rxb,
1008                                  struct iwl_device_cmd *cmd);
1009 void iwl_mvm_bt_rssi_event_old(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1010                                enum ieee80211_rssi_event rssi_event);
1011 u16 iwl_mvm_coex_agg_time_limit_old(struct iwl_mvm *mvm,
1012                                     struct ieee80211_sta *sta);
1013 bool iwl_mvm_bt_coex_is_mimo_allowed_old(struct iwl_mvm *mvm,
1014                                          struct ieee80211_sta *sta);
1015 bool iwl_mvm_bt_coex_is_tpc_allowed_old(struct iwl_mvm *mvm,
1016                                         enum ieee80211_band band);
1017 int iwl_mvm_rx_ant_coupling_notif_old(struct iwl_mvm *mvm,
1018                                       struct iwl_rx_cmd_buffer *rxb,
1019                                       struct iwl_device_cmd *cmd);
1020
1021 enum iwl_bt_kill_msk {
1022         BT_KILL_MSK_DEFAULT,
1023         BT_KILL_MSK_SCO_HID_A2DP,
1024         BT_KILL_MSK_REDUCED_TXPOW,
1025         BT_KILL_MSK_MAX,
1026 };
1027 extern const u32 iwl_bt_ack_kill_msk[BT_KILL_MSK_MAX];
1028 extern const u32 iwl_bt_cts_kill_msk[BT_KILL_MSK_MAX];
1029
1030 /* beacon filtering */
1031 #ifdef CONFIG_IWLWIFI_DEBUGFS
1032 void
1033 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1034                                          struct iwl_beacon_filter_cmd *cmd);
1035 #else
1036 static inline void
1037 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1038                                          struct iwl_beacon_filter_cmd *cmd)
1039 {}
1040 #endif
1041 int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm,
1042                                    struct ieee80211_vif *vif,
1043                                    bool enable, u32 flags);
1044 int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
1045                                  struct ieee80211_vif *vif,
1046                                  u32 flags);
1047 int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
1048                                   struct ieee80211_vif *vif,
1049                                   u32 flags);
1050 /* SMPS */
1051 void iwl_mvm_update_smps(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1052                                 enum iwl_mvm_smps_type_request req_type,
1053                                 enum ieee80211_smps_mode smps_request);
1054 bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm *mvm);
1055
1056 /* Low latency */
1057 int iwl_mvm_update_low_latency(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1058                                bool value);
1059 /* get SystemLowLatencyMode - only needed for beacon threshold? */
1060 bool iwl_mvm_low_latency(struct iwl_mvm *mvm);
1061 /* get VMACLowLatencyMode */
1062 static inline bool iwl_mvm_vif_low_latency(struct iwl_mvm_vif *mvmvif)
1063 {
1064         /*
1065          * should this consider associated/active/... state?
1066          *
1067          * Normally low-latency should only be active on interfaces
1068          * that are active, but at least with debugfs it can also be
1069          * enabled on interfaces that aren't active. However, when
1070          * interface aren't active then they aren't added into the
1071          * binding, so this has no real impact. For now, just return
1072          * the current desired low-latency state.
1073          */
1074
1075         return mvmvif->low_latency;
1076 }
1077
1078 /* Assoc status */
1079 bool iwl_mvm_is_idle(struct iwl_mvm *mvm);
1080
1081 /* Thermal management and CT-kill */
1082 void iwl_mvm_tt_tx_backoff(struct iwl_mvm *mvm, u32 backoff);
1083 void iwl_mvm_tt_handler(struct iwl_mvm *mvm);
1084 void iwl_mvm_tt_initialize(struct iwl_mvm *mvm, u32 min_backoff);
1085 void iwl_mvm_tt_exit(struct iwl_mvm *mvm);
1086 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state);
1087
1088 /* smart fifo */
1089 int iwl_mvm_sf_update(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1090                       bool added_vif);
1091
1092 void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error);
1093
1094 #endif /* __IWL_MVM_H__ */