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

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  65
  66 #ifndef __IWL_MVM_H__
  67 #define __IWL_MVM_H__
  68
  69 #include <linux/list.h>
  70 #include <linux/spinlock.h>
  71 #include <linux/leds.h>
  72 #include <linux/in6.h>
  73
  74 #include "iwl-op-mode.h"
  75 #include "iwl-trans.h"
  76 #include "iwl-notif-wait.h"
  77 #include "iwl-eeprom-parse.h"
  78 #include "sta.h"
  79 #include "fw-api.h"
  80 #include "constants.h"
  81
  82 #define IWL_INVALID_MAC80211_QUEUE      0xff
  83 #define IWL_MVM_MAX_ADDRESSES           5
  84 /* RSSI offset for WkP */
  85 #define IWL_RSSI_OFFSET 50
  86 #define IWL_MVM_MISSED_BEACONS_THRESHOLD 8
  87 /* A TimeUnit is 1024 microsecond */
  88 #define MSEC_TO_TU(_msec)       (_msec*1000/1024)
  89
  90 /* For GO, this value represents the number of TUs before CSA "beacon
  91  * 0" TBTT when the CSA time-event needs to be scheduled to start.  It
  92  * must be big enough to ensure that we switch in time.
  93  */
  94 #define IWL_MVM_CHANNEL_SWITCH_TIME_GO          40
  95
  96 /* For client, this value represents the number of TUs before CSA
  97  * "beacon 1" TBTT, instead.  This is because we don't know when the
  98  * GO/AP will be in the new channel, so we switch early enough.
  99  */
 100 #define IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT      10
 101
 102 /*
 103  * This value (in TUs) is used to fine tune the CSA NoA end time which should
 104  * be just before "beacon 0" TBTT.
 105  */
 106 #define IWL_MVM_CHANNEL_SWITCH_MARGIN 4
 107
 108 /*
 109  * Number of beacons to transmit on a new channel until we unblock tx to
 110  * the stations, even if we didn't identify them on a new channel
 111  */
 112 #define IWL_MVM_CS_UNBLOCK_TX_TIMEOUT 3
 113
 114 extern const struct ieee80211_ops iwl_mvm_hw_ops;
 115
 116 /**
 117  * struct iwl_mvm_mod_params - module parameters for iwlmvm
 118  * @init_dbg: if true, then the NIC won't be stopped if the INIT fw asserted.
 119  *      We will register to mac80211 to have testmode working. The NIC must not
 120  *      be up'ed after the INIT fw asserted. This is useful to be able to use
 121  *      proprietary tools over testmode to debug the INIT fw.
 122  * @tfd_q_hang_detect: enabled the detection of hung transmit queues
 123  * @power_scheme: CAM(Continuous Active Mode)-1, BPS(Balanced Power
 124  *      Save)-2(default), LP(Low Power)-3
 125  */
 126 struct iwl_mvm_mod_params {
 127         bool init_dbg;
 128         bool tfd_q_hang_detect;
 129         int power_scheme;
 130 };
 131 extern struct iwl_mvm_mod_params iwlmvm_mod_params;
 132
 133 /**
 134  * struct iwl_mvm_dump_ptrs - set of pointers needed for the fw-error-dump
 135  *
 136  * @op_mode_ptr: pointer to the buffer coming from the mvm op_mode
 137  * @trans_ptr: pointer to struct %iwl_trans_dump_data which contains the
 138  *      transport's data.
 139  * @trans_len: length of the valid data in trans_ptr
 140  * @op_mode_len: length of the valid data in op_mode_ptr
 141  */
 142 struct iwl_mvm_dump_ptrs {
 143         struct iwl_trans_dump_data *trans_ptr;
 144         void *op_mode_ptr;
 145         u32 op_mode_len;
 146 };
 147
 148 struct iwl_mvm_phy_ctxt {
 149         u16 id;
 150         u16 color;
 151         u32 ref;
 152
 153         /*
 154          * TODO: This should probably be removed. Currently here only for rate
 155          * scaling algorithm
 156          */
 157         struct ieee80211_channel *channel;
 158 };
 159
 160 struct iwl_mvm_time_event_data {
 161         struct ieee80211_vif *vif;
 162         struct list_head list;
 163         unsigned long end_jiffies;
 164         u32 duration;
 165         bool running;
 166         u32 uid;
 167
 168         /*
 169          * The access to the 'id' field must be done when the
 170          * mvm->time_event_lock is held, as it value is used to indicate
 171          * if the te is in the time event list or not (when id == TE_MAX)
 172          */
 173         u32 id;
 174 };
 175
 176  /* Power management */
 177
 178 /**
 179  * enum iwl_power_scheme
 180  * @IWL_POWER_LEVEL_CAM - Continuously Active Mode
 181  * @IWL_POWER_LEVEL_BPS - Balanced Power Save (default)
 182  * @IWL_POWER_LEVEL_LP  - Low Power
 183  */
 184 enum iwl_power_scheme {
 185         IWL_POWER_SCHEME_CAM = 1,
 186         IWL_POWER_SCHEME_BPS,
 187         IWL_POWER_SCHEME_LP
 188 };
 189
 190 #define IWL_CONN_MAX_LISTEN_INTERVAL    10
 191 #define IWL_UAPSD_MAX_SP                IEEE80211_WMM_IE_STA_QOSINFO_SP_2
 192
 193 #ifdef CONFIG_IWLWIFI_DEBUGFS
 194 enum iwl_dbgfs_pm_mask {
 195         MVM_DEBUGFS_PM_KEEP_ALIVE = BIT(0),
 196         MVM_DEBUGFS_PM_SKIP_OVER_DTIM = BIT(1),
 197         MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS = BIT(2),
 198         MVM_DEBUGFS_PM_RX_DATA_TIMEOUT = BIT(3),
 199         MVM_DEBUGFS_PM_TX_DATA_TIMEOUT = BIT(4),
 200         MVM_DEBUGFS_PM_LPRX_ENA = BIT(6),
 201         MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD = BIT(7),
 202         MVM_DEBUGFS_PM_SNOOZE_ENABLE = BIT(8),
 203         MVM_DEBUGFS_PM_UAPSD_MISBEHAVING = BIT(9),
 204         MVM_DEBUGFS_PM_USE_PS_POLL = BIT(10),
 205 };
 206
 207 struct iwl_dbgfs_pm {
 208         u16 keep_alive_seconds;
 209         u32 rx_data_timeout;
 210         u32 tx_data_timeout;
 211         bool skip_over_dtim;
 212         u8 skip_dtim_periods;
 213         bool lprx_ena;
 214         u32 lprx_rssi_threshold;
 215         bool snooze_ena;
 216         bool uapsd_misbehaving;
 217         bool use_ps_poll;
 218         int mask;
 219 };
 220
 221 /* beacon filtering */
 222
 223 enum iwl_dbgfs_bf_mask {
 224         MVM_DEBUGFS_BF_ENERGY_DELTA = BIT(0),
 225         MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA = BIT(1),
 226         MVM_DEBUGFS_BF_ROAMING_STATE = BIT(2),
 227         MVM_DEBUGFS_BF_TEMP_THRESHOLD = BIT(3),
 228         MVM_DEBUGFS_BF_TEMP_FAST_FILTER = BIT(4),
 229         MVM_DEBUGFS_BF_TEMP_SLOW_FILTER = BIT(5),
 230         MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER = BIT(6),
 231         MVM_DEBUGFS_BF_DEBUG_FLAG = BIT(7),
 232         MVM_DEBUGFS_BF_ESCAPE_TIMER = BIT(8),
 233         MVM_DEBUGFS_BA_ESCAPE_TIMER = BIT(9),
 234         MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT = BIT(10),
 235 };
 236
 237 struct iwl_dbgfs_bf {
 238         u32 bf_energy_delta;
 239         u32 bf_roaming_energy_delta;
 240         u32 bf_roaming_state;
 241         u32 bf_temp_threshold;
 242         u32 bf_temp_fast_filter;
 243         u32 bf_temp_slow_filter;
 244         u32 bf_enable_beacon_filter;
 245         u32 bf_debug_flag;
 246         u32 bf_escape_timer;
 247         u32 ba_escape_timer;
 248         u32 ba_enable_beacon_abort;
 249         int mask;
 250 };
 251 #endif
 252
 253 enum iwl_mvm_smps_type_request {
 254         IWL_MVM_SMPS_REQ_BT_COEX,
 255         IWL_MVM_SMPS_REQ_TT,
 256         IWL_MVM_SMPS_REQ_PROT,
 257         NUM_IWL_MVM_SMPS_REQ,
 258 };
 259
 260 enum iwl_mvm_ref_type {
 261         IWL_MVM_REF_UCODE_DOWN,
 262         IWL_MVM_REF_SCAN,
 263         IWL_MVM_REF_ROC,
 264         IWL_MVM_REF_P2P_CLIENT,
 265         IWL_MVM_REF_AP_IBSS,
 266         IWL_MVM_REF_USER,
 267         IWL_MVM_REF_TX,
 268         IWL_MVM_REF_TX_AGG,
 269         IWL_MVM_REF_ADD_IF,
 270         IWL_MVM_REF_START_AP,
 271         IWL_MVM_REF_BSS_CHANGED,
 272         IWL_MVM_REF_PREPARE_TX,
 273         IWL_MVM_REF_PROTECT_TDLS,
 274         IWL_MVM_REF_CHECK_CTKILL,
 275         IWL_MVM_REF_PRPH_READ,
 276         IWL_MVM_REF_PRPH_WRITE,
 277         IWL_MVM_REF_NMI,
 278         IWL_MVM_REF_TM_CMD,
 279         IWL_MVM_REF_EXIT_WORK,
 280         IWL_MVM_REF_PROTECT_CSA,
 281         IWL_MVM_REF_FW_DBG_COLLECT,
 282
 283         /* update debugfs.c when changing this */
 284
 285         IWL_MVM_REF_COUNT,
 286 };
 287
 288 enum iwl_bt_force_ant_mode {
 289         BT_FORCE_ANT_DIS = 0,
 290         BT_FORCE_ANT_AUTO,
 291         BT_FORCE_ANT_BT,
 292         BT_FORCE_ANT_WIFI,
 293
 294         BT_FORCE_ANT_MAX,
 295 };
 296
 297 /**
 298 * struct iwl_mvm_vif_bf_data - beacon filtering related data
 299 * @bf_enabled: indicates if beacon filtering is enabled
 300 * @ba_enabled: indicated if beacon abort is enabled
 301 * @ave_beacon_signal: average beacon signal
 302 * @last_cqm_event: rssi of the last cqm event
 303 * @bt_coex_min_thold: minimum threshold for BT coex
 304 * @bt_coex_max_thold: maximum threshold for BT coex
 305 * @last_bt_coex_event: rssi of the last BT coex event
 306 */
 307 struct iwl_mvm_vif_bf_data {
 308         bool bf_enabled;
 309         bool ba_enabled;
 310         s8 ave_beacon_signal;
 311         s8 last_cqm_event;
 312         s8 bt_coex_min_thold;
 313         s8 bt_coex_max_thold;
 314         s8 last_bt_coex_event;
 315 };
 316
 317 /**
 318  * struct iwl_mvm_vif - data per Virtual Interface, it is a MAC context
 319  * @id: between 0 and 3
 320  * @color: to solve races upon MAC addition and removal
 321  * @ap_sta_id: the sta_id of the AP - valid only if VIF type is STA
 322  * @bssid: BSSID for this (client) interface
 323  * @associated: indicates that we're currently associated, used only for
 324  *      managing the firmware state in iwl_mvm_bss_info_changed_station()
 325  * @uploaded: indicates the MAC context has been added to the device
 326  * @ap_ibss_active: indicates that AP/IBSS is configured and that the interface
 327  *      should get quota etc.
 328  * @pm_enabled - Indicate if MAC power management is allowed
 329  * @monitor_active: indicates that monitor context is configured, and that the
 330  *      interface should get quota etc.
 331  * @low_latency: indicates that this interface is in low-latency mode
 332  *      (VMACLowLatencyMode)
 333  * @ps_disabled: indicates that this interface requires PS to be disabled
 334  * @queue_params: QoS params for this MAC
 335  * @bcast_sta: station used for broadcast packets. Used by the following
 336  *  vifs: P2P_DEVICE, GO and AP.
 337  * @beacon_skb: the skb used to hold the AP/GO beacon template
 338  * @smps_requests: the SMPS requests of differents parts of the driver,
 339  *      combined on update to yield the overall request to mac80211.
 340  */
 341 struct iwl_mvm_vif {
 342         u16 id;
 343         u16 color;
 344         u8 ap_sta_id;
 345
 346         u8 bssid[ETH_ALEN];
 347         bool associated;
 348
 349         bool uploaded;
 350         bool ap_ibss_active;
 351         bool pm_enabled;
 352         bool monitor_active;
 353         bool low_latency;
 354         bool ps_disabled;
 355         struct iwl_mvm_vif_bf_data bf_data;
 356
 357         u32 ap_beacon_time;
 358
 359         enum iwl_tsf_id tsf_id;
 360
 361         /*
 362          * QoS data from mac80211, need to store this here
 363          * as mac80211 has a separate callback but we need
 364          * to have the data for the MAC context
 365          */
 366         struct ieee80211_tx_queue_params queue_params[IEEE80211_NUM_ACS];
 367         struct iwl_mvm_time_event_data time_event_data;
 368         struct iwl_mvm_time_event_data hs_time_event_data;
 369
 370         struct iwl_mvm_int_sta bcast_sta;
 371
 372         /*
 373          * Assigned while mac80211 has the interface in a channel context,
 374          * or, for P2P Device, while it exists.
 375          */
 376         struct iwl_mvm_phy_ctxt *phy_ctxt;
 377
 378 #ifdef CONFIG_PM_SLEEP
 379         /* WoWLAN GTK rekey data */
 380         struct {
 381                 u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN];
 382                 __le64 replay_ctr;
 383                 bool valid;
 384         } rekey_data;
 385
 386         int tx_key_idx;
 387
 388         bool seqno_valid;
 389         u16 seqno;
 390 #endif
 391
 392 #if IS_ENABLED(CONFIG_IPV6)
 393         /* IPv6 addresses for WoWLAN */
 394         struct in6_addr target_ipv6_addrs[IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_MAX];
 395         int num_target_ipv6_addrs;
 396 #endif
 397
 398 #ifdef CONFIG_IWLWIFI_DEBUGFS
 399         struct iwl_mvm *mvm;
 400         struct dentry *dbgfs_dir;
 401         struct dentry *dbgfs_slink;
 402         struct iwl_dbgfs_pm dbgfs_pm;
 403         struct iwl_dbgfs_bf dbgfs_bf;
 404         struct iwl_mac_power_cmd mac_pwr_cmd;
 405 #endif
 406
 407         enum ieee80211_smps_mode smps_requests[NUM_IWL_MVM_SMPS_REQ];
 408
 409         /* FW identified misbehaving AP */
 410         u8 uapsd_misbehaving_bssid[ETH_ALEN];
 411
 412         /* Indicates that CSA countdown may be started */
 413         bool csa_countdown;
 414 };
 415
 416 static inline struct iwl_mvm_vif *
 417 iwl_mvm_vif_from_mac80211(struct ieee80211_vif *vif)
 418 {
 419         return (void *)vif->drv_priv;
 420 }
 421
 422 extern const u8 tid_to_mac80211_ac[];
 423
 424 enum iwl_scan_status {
 425         IWL_MVM_SCAN_NONE,
 426         IWL_MVM_SCAN_OS,
 427         IWL_MVM_SCAN_SCHED,
 428 };
 429
 430 /**
 431  * struct iwl_nvm_section - describes an NVM section in memory.
 432  *
 433  * This struct holds an NVM section read from the NIC using NVM_ACCESS_CMD,
 434  * and saved for later use by the driver. Not all NVM sections are saved
 435  * this way, only the needed ones.
 436  */
 437 struct iwl_nvm_section {
 438         u16 length;
 439         const u8 *data;
 440 };
 441
 442 /*
 443  * Tx-backoff threshold
 444  * @temperature: The threshold in Celsius
 445  * @backoff: The tx-backoff in uSec
 446  */
 447 struct iwl_tt_tx_backoff {
 448         s32 temperature;
 449         u32 backoff;
 450 };
 451
 452 #define TT_TX_BACKOFF_SIZE 6
 453
 454 /**
 455  * struct iwl_tt_params - thermal throttling parameters
 456  * @ct_kill_entry: CT Kill entry threshold
 457  * @ct_kill_exit: CT Kill exit threshold
 458  * @ct_kill_duration: The time  intervals (in uSec) in which the driver needs
 459  *      to checks whether to exit CT Kill.
 460  * @dynamic_smps_entry: Dynamic SMPS entry threshold
 461  * @dynamic_smps_exit: Dynamic SMPS exit threshold
 462  * @tx_protection_entry: TX protection entry threshold
 463  * @tx_protection_exit: TX protection exit threshold
 464  * @tx_backoff: Array of thresholds for tx-backoff , in ascending order.
 465  * @support_ct_kill: Support CT Kill?
 466  * @support_dynamic_smps: Support dynamic SMPS?
 467  * @support_tx_protection: Support tx protection?
 468  * @support_tx_backoff: Support tx-backoff?
 469  */
 470 struct iwl_tt_params {
 471         s32 ct_kill_entry;
 472         s32 ct_kill_exit;
 473         u32 ct_kill_duration;
 474         s32 dynamic_smps_entry;
 475         s32 dynamic_smps_exit;
 476         s32 tx_protection_entry;
 477         s32 tx_protection_exit;
 478         struct iwl_tt_tx_backoff tx_backoff[TT_TX_BACKOFF_SIZE];
 479         bool support_ct_kill;
 480         bool support_dynamic_smps;
 481         bool support_tx_protection;
 482         bool support_tx_backoff;
 483 };
 484
 485 /**
 486  * struct iwl_mvm_tt_mgnt - Thermal Throttling Management structure
 487  * @ct_kill_exit: worker to exit thermal kill
 488  * @dynamic_smps: Is thermal throttling enabled dynamic_smps?
 489  * @tx_backoff: The current thremal throttling tx backoff in uSec.
 490  * @min_backoff: The minimal tx backoff due to power restrictions
 491  * @params: Parameters to configure the thermal throttling algorithm.
 492  * @throttle: Is thermal throttling is active?
 493  */
 494 struct iwl_mvm_tt_mgmt {
 495         struct delayed_work ct_kill_exit;
 496         bool dynamic_smps;
 497         u32 tx_backoff;
 498         u32 min_backoff;
 499         const struct iwl_tt_params *params;
 500         bool throttle;
 501 };
 502
 503 #define IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES 8
 504
 505 struct iwl_mvm_frame_stats {
 506         u32 legacy_frames;
 507         u32 ht_frames;
 508         u32 vht_frames;
 509         u32 bw_20_frames;
 510         u32 bw_40_frames;
 511         u32 bw_80_frames;
 512         u32 bw_160_frames;
 513         u32 sgi_frames;
 514         u32 ngi_frames;
 515         u32 siso_frames;
 516         u32 mimo2_frames;
 517         u32 agg_frames;
 518         u32 ampdu_count;
 519         u32 success_frames;
 520         u32 fail_frames;
 521         u32 last_rates[IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES];
 522         int last_frame_idx;
 523 };
 524
 525 enum {
 526         D0I3_DEFER_WAKEUP,
 527         D0I3_PENDING_WAKEUP,
 528 };
 529
 530 #define IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE 0xff
 531 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MIN -100
 532 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MAX 200
 533
 534 enum iwl_mvm_tdls_cs_state {
 535         IWL_MVM_TDLS_SW_IDLE = 0,
 536         IWL_MVM_TDLS_SW_REQ_SENT,
 537         IWL_MVM_TDLS_SW_RESP_RCVD,
 538         IWL_MVM_TDLS_SW_REQ_RCVD,
 539         IWL_MVM_TDLS_SW_ACTIVE,
 540 };
 541
 542 struct iwl_mvm_shared_mem_cfg {
 543         u32 shared_mem_addr;
 544         u32 shared_mem_size;
 545         u32 sample_buff_addr;
 546         u32 sample_buff_size;
 547         u32 txfifo_addr;
 548         u32 txfifo_size[TX_FIFO_MAX_NUM];
 549         u32 rxfifo_size[RX_FIFO_MAX_NUM];
 550         u32 page_buff_addr;
 551         u32 page_buff_size;
 552 };
 553
 554 struct iwl_mvm {
 555         /* for logger access */
 556         struct device *dev;
 557
 558         struct iwl_trans *trans;
 559         const struct iwl_fw *fw;
 560         const struct iwl_cfg *cfg;
 561         struct iwl_phy_db *phy_db;
 562         struct ieee80211_hw *hw;
 563
 564         /* for protecting access to iwl_mvm */
 565         struct mutex mutex;
 566         struct list_head async_handlers_list;
 567         spinlock_t async_handlers_lock;
 568         struct work_struct async_handlers_wk;
 569
 570         struct work_struct roc_done_wk;
 571
 572         unsigned long status;
 573
 574         /*
 575          * for beacon filtering -
 576          * currently only one interface can be supported
 577          */
 578         struct iwl_mvm_vif *bf_allowed_vif;
 579
 580         enum iwl_ucode_type cur_ucode;
 581         bool ucode_loaded;
 582         bool init_ucode_complete;
 583         bool calibrating;
 584         u32 error_event_table;
 585         u32 log_event_table;
 586         u32 umac_error_event_table;
 587         bool support_umac_log;
 588         struct iwl_sf_region sf_space;
 589
 590         u32 ampdu_ref;
 591
 592         struct iwl_notif_wait_data notif_wait;
 593
 594         struct mvm_statistics_rx rx_stats;
 595
 596         u8 queue_to_mac80211[IWL_MAX_HW_QUEUES];
 597         atomic_t mac80211_queue_stop_count[IEEE80211_MAX_QUEUES];
 598
 599         const char *nvm_file_name;
 600         struct iwl_nvm_data *nvm_data;
 601         /* NVM sections */
 602         struct iwl_nvm_section nvm_sections[NVM_MAX_NUM_SECTIONS];
 603
 604         /* EEPROM MAC addresses */
 605         struct mac_address addresses[IWL_MVM_MAX_ADDRESSES];
 606
 607         /* data related to data path */
 608         struct iwl_rx_phy_info last_phy_info;
 609         struct ieee80211_sta __rcu *fw_id_to_mac_id[IWL_MVM_STATION_COUNT];
 610         struct work_struct sta_drained_wk;
 611         unsigned long sta_drained[BITS_TO_LONGS(IWL_MVM_STATION_COUNT)];
 612         atomic_t pending_frames[IWL_MVM_STATION_COUNT];
 613         u32 tfd_drained[IWL_MVM_STATION_COUNT];
 614         u8 rx_ba_sessions;
 615
 616         /* configured by mac80211 */
 617         u32 rts_threshold;
 618
 619         /* Scan status, cmd (pre-allocated) and auxiliary station */
 620         enum iwl_scan_status scan_status;
 621         void *scan_cmd;
 622         struct iwl_mcast_filter_cmd *mcast_filter_cmd;
 623
 624         /* UMAC scan tracking */
 625         u32 scan_uid[IWL_MVM_MAX_SIMULTANEOUS_SCANS];
 626         u8 scan_seq_num, sched_scan_seq_num;
 627
 628         /* rx chain antennas set through debugfs for the scan command */
 629         u8 scan_rx_ant;
 630
 631 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
 632         /* broadcast filters to configure for each associated station */
 633         const struct iwl_fw_bcast_filter *bcast_filters;
 634 #ifdef CONFIG_IWLWIFI_DEBUGFS
 635         struct {
 636                 u32 override; /* u32 for debugfs_create_bool */
 637                 struct iwl_bcast_filter_cmd cmd;
 638         } dbgfs_bcast_filtering;
 639 #endif
 640 #endif
 641
 642         /* Internal station */
 643         struct iwl_mvm_int_sta aux_sta;
 644
 645         bool last_ebs_successful;
 646
 647         u8 scan_last_antenna_idx; /* to toggle TX between antennas */
 648         u8 mgmt_last_antenna_idx;
 649
 650         /* last smart fifo state that was successfully sent to firmware */
 651         enum iwl_sf_state sf_state;
 652
 653 #ifdef CONFIG_IWLWIFI_DEBUGFS
 654         struct dentry *debugfs_dir;
 655         u32 dbgfs_sram_offset, dbgfs_sram_len;
 656         u32 dbgfs_prph_reg_addr;
 657         bool disable_power_off;
 658         bool disable_power_off_d3;
 659
 660         bool scan_iter_notif_enabled;
 661
 662         struct debugfs_blob_wrapper nvm_hw_blob;
 663         struct debugfs_blob_wrapper nvm_sw_blob;
 664         struct debugfs_blob_wrapper nvm_calib_blob;
 665         struct debugfs_blob_wrapper nvm_prod_blob;
 666
 667         struct iwl_mvm_frame_stats drv_rx_stats;
 668         spinlock_t drv_stats_lock;
 669 #endif
 670
 671         struct iwl_mvm_phy_ctxt phy_ctxts[NUM_PHY_CTX];
 672
 673         struct list_head time_event_list;
 674         spinlock_t time_event_lock;
 675
 676         /*
 677          * A bitmap indicating the index of the key in use. The firmware
 678          * can hold 16 keys at most. Reflect this fact.
 679          */
 680         unsigned long fw_key_table[BITS_TO_LONGS(STA_KEY_MAX_NUM)];
 681
 682         /* references taken by the driver and spinlock protecting them */
 683         spinlock_t refs_lock;
 684         u8 refs[IWL_MVM_REF_COUNT];
 685
 686         u8 vif_count;
 687
 688         /* -1 for always, 0 for never, >0 for that many times */
 689         s8 restart_fw;
 690         struct work_struct fw_error_dump_wk;
 691         enum iwl_fw_dbg_conf fw_dbg_conf;
 692
 693 #ifdef CONFIG_IWLWIFI_LEDS
 694         struct led_classdev led;
 695 #endif
 696
 697         struct ieee80211_vif *p2p_device_vif;
 698
 699 #ifdef CONFIG_PM_SLEEP
 700         struct wiphy_wowlan_support wowlan;
 701         int gtk_ivlen, gtk_icvlen, ptk_ivlen, ptk_icvlen;
 702
 703         /* sched scan settings for net detect */
 704         struct cfg80211_sched_scan_request *nd_config;
 705         struct ieee80211_scan_ies nd_ies;
 706         struct cfg80211_match_set *nd_match_sets;
 707         int n_nd_match_sets;
 708         struct ieee80211_channel **nd_channels;
 709         int n_nd_channels;
 710         bool net_detect;
 711 #ifdef CONFIG_IWLWIFI_DEBUGFS
 712         u32 d3_wake_sysassert; /* must be u32 for debugfs_create_bool */
 713         bool d3_test_active;
 714         bool store_d3_resume_sram;
 715         void *d3_resume_sram;
 716         u32 d3_test_pme_ptr;
 717         struct ieee80211_vif *keep_vif;
 718 #endif
 719 #endif
 720
 721         /* d0i3 */
 722         u8 d0i3_ap_sta_id;
 723         bool d0i3_offloading;
 724         struct work_struct d0i3_exit_work;
 725         struct sk_buff_head d0i3_tx;
 726         /* protect d0i3_suspend_flags */
 727         struct mutex d0i3_suspend_mutex;
 728         unsigned long d0i3_suspend_flags;
 729         /* sync d0i3_tx queue and IWL_MVM_STATUS_IN_D0I3 status flag */
 730         spinlock_t d0i3_tx_lock;
 731         wait_queue_head_t d0i3_exit_waitq;
 732
 733         /* BT-Coex */
 734         u8 bt_ack_kill_msk[NUM_PHY_CTX];
 735         u8 bt_cts_kill_msk[NUM_PHY_CTX];
 736
 737         struct iwl_bt_coex_profile_notif_old last_bt_notif_old;
 738         struct iwl_bt_coex_ci_cmd_old last_bt_ci_cmd_old;
 739         struct iwl_bt_coex_profile_notif last_bt_notif;
 740         struct iwl_bt_coex_ci_cmd last_bt_ci_cmd;
 741
 742         u32 last_ant_isol;
 743         u8 last_corun_lut;
 744         u8 bt_tx_prio;
 745         enum iwl_bt_force_ant_mode bt_force_ant_mode;
 746
 747         /* Aux ROC */
 748         struct list_head aux_roc_te_list;
 749
 750         /* Thermal Throttling and CTkill */
 751         struct iwl_mvm_tt_mgmt thermal_throttle;
 752         s32 temperature;        /* Celsius */
 753         /*
 754          * Debug option to set the NIC temperature. This option makes the
 755          * driver think this is the actual NIC temperature, and ignore the
 756          * real temperature that is received from the fw
 757          */
 758         bool temperature_test;  /* Debug test temperature is enabled */
 759
 760         struct iwl_time_quota_cmd last_quota_cmd;
 761
 762 #ifdef CONFIG_NL80211_TESTMODE
 763         u32 noa_duration;
 764         struct ieee80211_vif *noa_vif;
 765 #endif
 766
 767         /* Tx queues */
 768         u8 aux_queue;
 769         u8 first_agg_queue;
 770         u8 last_agg_queue;
 771
 772         /* Indicate if device power save is allowed */
 773         u8 ps_disabled; /* u8 instead of bool to ease debugfs_create_* usage */
 774
 775         struct ieee80211_vif __rcu *csa_vif;
 776         struct ieee80211_vif __rcu *csa_tx_blocked_vif;
 777         u8 csa_tx_block_bcn_timeout;
 778
 779         /* system time of last beacon (for AP/GO interface) */
 780         u32 ap_last_beacon_gp2;
 781
 782         u8 low_latency_agg_frame_limit;
 783
 784         /* TDLS channel switch data */
 785         struct {
 786                 struct delayed_work dwork;
 787                 enum iwl_mvm_tdls_cs_state state;
 788
 789                 /*
 790                  * Current cs sta - might be different from periodic cs peer
 791                  * station. Value is meaningless when the cs-state is idle.
 792                  */
 793                 u8 cur_sta_id;
 794
 795                 /* TDLS periodic channel-switch peer */
 796                 struct {
 797                         u8 sta_id;
 798                         u8 op_class;
 799                         bool initiator; /* are we the link initiator */
 800                         struct cfg80211_chan_def chandef;
 801                         struct sk_buff *skb; /* ch sw template */
 802                         u32 ch_sw_tm_ie;
 803
 804                         /* timestamp of last ch-sw request sent (GP2 time) */
 805                         u32 sent_timestamp;
 806                 } peer;
 807         } tdls_cs;
 808
 809         struct iwl_mvm_shared_mem_cfg shared_mem_cfg;
 810 };
 811
 812 /* Extract MVM priv from op_mode and _hw */
 813 #define IWL_OP_MODE_GET_MVM(_iwl_op_mode)               \
 814         ((struct iwl_mvm *)(_iwl_op_mode)->op_mode_specific)
 815
 816 #define IWL_MAC80211_GET_MVM(_hw)                       \
 817         IWL_OP_MODE_GET_MVM((struct iwl_op_mode *)((_hw)->priv))
 818
 819 enum iwl_mvm_status {
 820         IWL_MVM_STATUS_HW_RFKILL,
 821         IWL_MVM_STATUS_HW_CTKILL,
 822         IWL_MVM_STATUS_ROC_RUNNING,
 823         IWL_MVM_STATUS_IN_HW_RESTART,
 824         IWL_MVM_STATUS_IN_D0I3,
 825         IWL_MVM_STATUS_ROC_AUX_RUNNING,
 826         IWL_MVM_STATUS_D3_RECONFIG,
 827 };
 828
 829 static inline bool iwl_mvm_is_radio_killed(struct iwl_mvm *mvm)
 830 {
 831         return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status) ||
 832                test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
 833 }
 834
 835 /* Must be called with rcu_read_lock() held and it can only be
 836  * released when mvmsta is not needed anymore.
 837  */
 838 static inline struct iwl_mvm_sta *
 839 iwl_mvm_sta_from_staid_rcu(struct iwl_mvm *mvm, u8 sta_id)
 840 {
 841         struct ieee80211_sta *sta;
 842
 843         if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
 844                 return NULL;
 845
 846         sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
 847
 848         /* This can happen if the station has been removed right now */
 849         if (IS_ERR_OR_NULL(sta))
 850                 return NULL;
 851
 852         return iwl_mvm_sta_from_mac80211(sta);
 853 }
 854
 855 static inline struct iwl_mvm_sta *
 856 iwl_mvm_sta_from_staid_protected(struct iwl_mvm *mvm, u8 sta_id)
 857 {
 858         struct ieee80211_sta *sta;
 859
 860         if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
 861                 return NULL;
 862
 863         sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id],
 864                                         lockdep_is_held(&mvm->mutex));
 865
 866         /* This can happen if the station has been removed right now */
 867         if (IS_ERR_OR_NULL(sta))
 868                 return NULL;
 869
 870         return iwl_mvm_sta_from_mac80211(sta);
 871 }
 872
 873 static inline bool iwl_mvm_is_d0i3_supported(struct iwl_mvm *mvm)
 874 {
 875         return mvm->trans->cfg->d0i3 &&
 876                mvm->trans->d0i3_mode != IWL_D0I3_MODE_OFF &&
 877                !iwlwifi_mod_params.d0i3_disable &&
 878                (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_D0I3_SUPPORT);
 879 }
 880
 881 static inline bool iwl_mvm_is_scd_cfg_supported(struct iwl_mvm *mvm)
 882 {
 883         return mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_SCD_CFG;
 884 }
 885
 886 extern const u8 iwl_mvm_ac_to_tx_fifo[];
 887
 888 struct iwl_rate_info {
 889         u8 plcp;        /* uCode API:  IWL_RATE_6M_PLCP, etc. */
 890         u8 plcp_siso;   /* uCode API:  IWL_RATE_SISO_6M_PLCP, etc. */
 891         u8 plcp_mimo2;  /* uCode API:  IWL_RATE_MIMO2_6M_PLCP, etc. */
 892         u8 plcp_mimo3;  /* uCode API:  IWL_RATE_MIMO3_6M_PLCP, etc. */
 893         u8 ieee;        /* MAC header:  IWL_RATE_6M_IEEE, etc. */
 894 };
 895
 896 void __iwl_mvm_mac_stop(struct iwl_mvm *mvm);
 897 int __iwl_mvm_mac_start(struct iwl_mvm *mvm);
 898
 899 /******************
 900  * MVM Methods
 901  ******************/
 902 /* uCode */
 903 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm);
 904
 905 /* Utils */
 906 int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags,
 907                                         enum ieee80211_band band);
 908 void iwl_mvm_hwrate_to_tx_rate(u32 rate_n_flags,
 909                                enum ieee80211_band band,
 910                                struct ieee80211_tx_rate *r);
 911 u8 iwl_mvm_mac80211_idx_to_hwrate(int rate_idx);
 912 void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm);
 913 u8 first_antenna(u8 mask);
 914 u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx);
 915
 916 /* Tx / Host Commands */
 917 int __must_check iwl_mvm_send_cmd(struct iwl_mvm *mvm,
 918                                   struct iwl_host_cmd *cmd);
 919 int __must_check iwl_mvm_send_cmd_pdu(struct iwl_mvm *mvm, u8 id,
 920                                       u32 flags, u16 len, const void *data);
 921 int __must_check iwl_mvm_send_cmd_status(struct iwl_mvm *mvm,
 922                                          struct iwl_host_cmd *cmd,
 923                                          u32 *status);
 924 int __must_check iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u8 id,
 925                                              u16 len, const void *data,
 926                                              u32 *status);
 927 int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb,
 928                    struct ieee80211_sta *sta);
 929 int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb);
 930 void iwl_mvm_set_tx_cmd(struct iwl_mvm *mvm, struct sk_buff *skb,
 931                         struct iwl_tx_cmd *tx_cmd,
 932                         struct ieee80211_tx_info *info, u8 sta_id);
 933 void iwl_mvm_set_tx_cmd_crypto(struct iwl_mvm *mvm,
 934                                struct ieee80211_tx_info *info,
 935                                struct iwl_tx_cmd *tx_cmd,
 936                                struct sk_buff *skb_frag);
 937 void iwl_mvm_set_tx_cmd_rate(struct iwl_mvm *mvm, struct iwl_tx_cmd *tx_cmd,
 938                             struct ieee80211_tx_info *info,
 939                             struct ieee80211_sta *sta, __le16 fc);
 940 #ifdef CONFIG_IWLWIFI_DEBUG
 941 const char *iwl_mvm_get_tx_fail_reason(u32 status);
 942 #else
 943 static inline const char *iwl_mvm_get_tx_fail_reason(u32 status) { return ""; }
 944 #endif
 945 int iwl_mvm_flush_tx_path(struct iwl_mvm *mvm, u32 tfd_msk, bool sync);
 946 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm);
 947
 948 static inline void iwl_mvm_wait_for_async_handlers(struct iwl_mvm *mvm)
 949 {
 950         flush_work(&mvm->async_handlers_wk);
 951 }
 952
 953 /* Statistics */
 954 int iwl_mvm_rx_reply_statistics(struct iwl_mvm *mvm,
 955                                 struct iwl_rx_cmd_buffer *rxb,
 956                                 struct iwl_device_cmd *cmd);
 957 int iwl_mvm_rx_statistics(struct iwl_mvm *mvm,
 958                           struct iwl_rx_cmd_buffer *rxb,
 959                           struct iwl_device_cmd *cmd);
 960
 961 /* NVM */
 962 int iwl_nvm_init(struct iwl_mvm *mvm, bool read_nvm_from_nic);
 963 int iwl_mvm_load_nvm_to_nic(struct iwl_mvm *mvm);
 964
 965 static inline u8 iwl_mvm_get_valid_tx_ant(struct iwl_mvm *mvm)
 966 {
 967         return mvm->nvm_data && mvm->nvm_data->valid_tx_ant ?
 968                mvm->fw->valid_tx_ant & mvm->nvm_data->valid_tx_ant :
 969                mvm->fw->valid_tx_ant;
 970 }
 971
 972 static inline u8 iwl_mvm_get_valid_rx_ant(struct iwl_mvm *mvm)
 973 {
 974         return mvm->nvm_data && mvm->nvm_data->valid_rx_ant ?
 975                mvm->fw->valid_rx_ant & mvm->nvm_data->valid_rx_ant :
 976                mvm->fw->valid_rx_ant;
 977 }
 978
 979 static inline u32 iwl_mvm_get_phy_config(struct iwl_mvm *mvm)
 980 {
 981         u32 phy_config = ~(FW_PHY_CFG_TX_CHAIN |
 982                            FW_PHY_CFG_RX_CHAIN);
 983         u32 valid_rx_ant = iwl_mvm_get_valid_rx_ant(mvm);
 984         u32 valid_tx_ant = iwl_mvm_get_valid_tx_ant(mvm);
 985
 986         phy_config |= valid_tx_ant << FW_PHY_CFG_TX_CHAIN_POS |
 987                       valid_rx_ant << FW_PHY_CFG_RX_CHAIN_POS;
 988
 989         return mvm->fw->phy_config & phy_config;
 990 }
 991
 992 int iwl_mvm_up(struct iwl_mvm *mvm);
 993 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm);
 994
 995 int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm);
 996 bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm,
 997                                     struct iwl_bcast_filter_cmd *cmd);
 998
 999 /*
1000  * FW notifications / CMD responses handlers
1001  * Convention: iwl_mvm_rx_<NAME OF THE CMD>
1002  */
1003 int iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1004                           struct iwl_device_cmd *cmd);
1005 int iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1006                        struct iwl_device_cmd *cmd);
1007 int iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1008                       struct iwl_device_cmd *cmd);
1009 int iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1010                         struct iwl_device_cmd *cmd);
1011 int iwl_mvm_rx_radio_ver(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1012                          struct iwl_device_cmd *cmd);
1013 int iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm,
1014                                   struct iwl_rx_cmd_buffer *rxb,
1015                                   struct iwl_device_cmd *cmd);
1016 int iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1017                           struct iwl_device_cmd *cmd);
1018 int iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
1019                                 struct iwl_rx_cmd_buffer *rxb,
1020                                 struct iwl_device_cmd *cmd);
1021 int iwl_mvm_rx_radio_ver(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1022                          struct iwl_device_cmd *cmd);
1023 int iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1024                             struct iwl_device_cmd *cmd);
1025 int iwl_mvm_rx_shared_mem_cfg_notif(struct iwl_mvm *mvm,
1026                                     struct iwl_rx_cmd_buffer *rxb,
1027                                     struct iwl_device_cmd *cmd);
1028
1029 /* MVM PHY */
1030 int iwl_mvm_phy_ctxt_add(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
1031                          struct cfg80211_chan_def *chandef,
1032                          u8 chains_static, u8 chains_dynamic);
1033 int iwl_mvm_phy_ctxt_changed(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
1034                              struct cfg80211_chan_def *chandef,
1035                              u8 chains_static, u8 chains_dynamic);
1036 void iwl_mvm_phy_ctxt_ref(struct iwl_mvm *mvm,
1037                           struct iwl_mvm_phy_ctxt *ctxt);
1038 void iwl_mvm_phy_ctxt_unref(struct iwl_mvm *mvm,
1039                             struct iwl_mvm_phy_ctxt *ctxt);
1040 int iwl_mvm_phy_ctx_count(struct iwl_mvm *mvm);
1041 u8 iwl_mvm_get_channel_width(struct cfg80211_chan_def *chandef);
1042 u8 iwl_mvm_get_ctrl_pos(struct cfg80211_chan_def *chandef);
1043
1044 /* MAC (virtual interface) programming */
1045 int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1046 void iwl_mvm_mac_ctxt_release(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1047 int iwl_mvm_mac_ctxt_add(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1048 int iwl_mvm_mac_ctxt_changed(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1049                              bool force_assoc_off, const u8 *bssid_override);
1050 int iwl_mvm_mac_ctxt_remove(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1051 u32 iwl_mvm_mac_get_queues_mask(struct ieee80211_vif *vif);
1052 int iwl_mvm_mac_ctxt_beacon_changed(struct iwl_mvm *mvm,
1053                                     struct ieee80211_vif *vif);
1054 int iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm,
1055                             struct iwl_rx_cmd_buffer *rxb,
1056                             struct iwl_device_cmd *cmd);
1057 int iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm,
1058                                     struct iwl_rx_cmd_buffer *rxb,
1059                                     struct iwl_device_cmd *cmd);
1060 void iwl_mvm_mac_ctxt_recalc_tsf_id(struct iwl_mvm *mvm,
1061                                     struct ieee80211_vif *vif);
1062 unsigned long iwl_mvm_get_used_hw_queues(struct iwl_mvm *mvm,
1063                                          struct ieee80211_vif *exclude_vif);
1064
1065 /* Bindings */
1066 int iwl_mvm_binding_add_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1067 int iwl_mvm_binding_remove_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1068
1069 /* Quota management */
1070 int iwl_mvm_update_quotas(struct iwl_mvm *mvm,
1071                           struct ieee80211_vif *disabled_vif);
1072
1073 /* Scanning */
1074 int iwl_mvm_scan_size(struct iwl_mvm *mvm);
1075 int iwl_mvm_scan_request(struct iwl_mvm *mvm,
1076                          struct ieee80211_vif *vif,
1077                          struct cfg80211_scan_request *req);
1078 int iwl_mvm_rx_scan_response(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1079                              struct iwl_device_cmd *cmd);
1080 int iwl_mvm_rx_scan_complete(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1081                              struct iwl_device_cmd *cmd);
1082 int iwl_mvm_cancel_scan(struct iwl_mvm *mvm);
1083 int iwl_mvm_max_scan_ie_len(struct iwl_mvm *mvm, bool is_sched_scan);
1084
1085 /* Scheduled scan */
1086 int iwl_mvm_rx_scan_offload_complete_notif(struct iwl_mvm *mvm,
1087                                            struct iwl_rx_cmd_buffer *rxb,
1088                                            struct iwl_device_cmd *cmd);
1089 int iwl_mvm_rx_scan_offload_iter_complete_notif(struct iwl_mvm *mvm,
1090                                                 struct iwl_rx_cmd_buffer *rxb,
1091                                                 struct iwl_device_cmd *cmd);
1092 int iwl_mvm_config_sched_scan(struct iwl_mvm *mvm,
1093                               struct ieee80211_vif *vif,
1094                               struct cfg80211_sched_scan_request *req,
1095                               struct ieee80211_scan_ies *ies);
1096 int iwl_mvm_config_sched_scan_profiles(struct iwl_mvm *mvm,
1097                                        struct cfg80211_sched_scan_request *req);
1098 int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm,
1099                              struct cfg80211_sched_scan_request *req);
1100 int iwl_mvm_scan_offload_start(struct iwl_mvm *mvm,
1101                                struct ieee80211_vif *vif,
1102                                struct cfg80211_sched_scan_request *req,
1103                                struct ieee80211_scan_ies *ies);
1104 int iwl_mvm_scan_offload_stop(struct iwl_mvm *mvm, bool notify);
1105 int iwl_mvm_rx_scan_offload_results(struct iwl_mvm *mvm,
1106                                     struct iwl_rx_cmd_buffer *rxb,
1107                                     struct iwl_device_cmd *cmd);
1108
1109 /* Unified scan */
1110 int iwl_mvm_unified_scan_lmac(struct iwl_mvm *mvm,
1111                               struct ieee80211_vif *vif,
1112                               struct ieee80211_scan_request *req);
1113 int iwl_mvm_unified_sched_scan_lmac(struct iwl_mvm *mvm,
1114                                     struct ieee80211_vif *vif,
1115                                     struct cfg80211_sched_scan_request *req,
1116                                     struct ieee80211_scan_ies *ies);
1117
1118 /* UMAC scan */
1119 int iwl_mvm_config_scan(struct iwl_mvm *mvm);
1120 int iwl_mvm_scan_umac(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1121                       struct ieee80211_scan_request *req);
1122 int iwl_mvm_sched_scan_umac(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1123                             struct cfg80211_sched_scan_request *req,
1124                             struct ieee80211_scan_ies *ies);
1125 int iwl_mvm_rx_umac_scan_complete_notif(struct iwl_mvm *mvm,
1126                                         struct iwl_rx_cmd_buffer *rxb,
1127                                         struct iwl_device_cmd *cmd);
1128
1129 /* MVM debugfs */
1130 #ifdef CONFIG_IWLWIFI_DEBUGFS
1131 int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir);
1132 void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1133 void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1134 #else
1135 static inline int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm,
1136                                          struct dentry *dbgfs_dir)
1137 {
1138         return 0;
1139 }
1140 static inline void
1141 iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1142 {
1143 }
1144 static inline void
1145 iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1146 {
1147 }
1148 #endif /* CONFIG_IWLWIFI_DEBUGFS */
1149
1150 /* rate scaling */
1151 int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool init);
1152 void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm, u32 rate, bool agg);
1153 int rs_pretty_print_rate(char *buf, const u32 rate);
1154 void rs_update_last_rssi(struct iwl_mvm *mvm,
1155                          struct iwl_lq_sta *lq_sta,
1156                          struct ieee80211_rx_status *rx_status);
1157
1158 /* power management */
1159 int iwl_mvm_power_update_device(struct iwl_mvm *mvm);
1160 int iwl_mvm_power_update_mac(struct iwl_mvm *mvm);
1161 int iwl_mvm_power_update_ps(struct iwl_mvm *mvm);
1162 int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1163                                  char *buf, int bufsz);
1164
1165 void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1166 int iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm,
1167                                              struct iwl_rx_cmd_buffer *rxb,
1168                                              struct iwl_device_cmd *cmd);
1169
1170 #ifdef CONFIG_IWLWIFI_LEDS
1171 int iwl_mvm_leds_init(struct iwl_mvm *mvm);
1172 void iwl_mvm_leds_exit(struct iwl_mvm *mvm);
1173 #else
1174 static inline int iwl_mvm_leds_init(struct iwl_mvm *mvm)
1175 {
1176         return 0;
1177 }
1178 static inline void iwl_mvm_leds_exit(struct iwl_mvm *mvm)
1179 {
1180 }
1181 #endif
1182
1183 /* D3 (WoWLAN, NetDetect) */
1184 int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan);
1185 int iwl_mvm_resume(struct ieee80211_hw *hw);
1186 void iwl_mvm_set_wakeup(struct ieee80211_hw *hw, bool enabled);
1187 void iwl_mvm_set_rekey_data(struct ieee80211_hw *hw,
1188                             struct ieee80211_vif *vif,
1189                             struct cfg80211_gtk_rekey_data *data);
1190 void iwl_mvm_ipv6_addr_change(struct ieee80211_hw *hw,
1191                               struct ieee80211_vif *vif,
1192                               struct inet6_dev *idev);
1193 void iwl_mvm_set_default_unicast_key(struct ieee80211_hw *hw,
1194                                      struct ieee80211_vif *vif, int idx);
1195 extern const struct file_operations iwl_dbgfs_d3_test_ops;
1196 #ifdef CONFIG_PM_SLEEP
1197 void iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm,
1198                                  struct ieee80211_vif *vif);
1199 #else
1200 static inline void
1201 iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1202 {
1203 }
1204 #endif
1205 void iwl_mvm_set_wowlan_qos_seq(struct iwl_mvm_sta *mvm_ap_sta,
1206                                 struct iwl_wowlan_config_cmd *cmd);
1207 int iwl_mvm_send_proto_offload(struct iwl_mvm *mvm,
1208                                struct ieee80211_vif *vif,
1209                                bool disable_offloading,
1210                                u32 cmd_flags);
1211
1212 /* D0i3 */
1213 void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1214 void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1215 int iwl_mvm_ref_sync(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1216 bool iwl_mvm_ref_taken(struct iwl_mvm *mvm);
1217 void iwl_mvm_d0i3_enable_tx(struct iwl_mvm *mvm, __le16 *qos_seq);
1218 int iwl_mvm_enter_d0i3(struct iwl_op_mode *op_mode);
1219 int iwl_mvm_exit_d0i3(struct iwl_op_mode *op_mode);
1220 int _iwl_mvm_exit_d0i3(struct iwl_mvm *mvm);
1221
1222 /* BT Coex */
1223 int iwl_send_bt_init_conf(struct iwl_mvm *mvm);
1224 int iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm,
1225                              struct iwl_rx_cmd_buffer *rxb,
1226                              struct iwl_device_cmd *cmd);
1227 void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1228                            enum ieee80211_rssi_event rssi_event);
1229 void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm);
1230 u16 iwl_mvm_coex_agg_time_limit(struct iwl_mvm *mvm,
1231                                 struct ieee80211_sta *sta);
1232 bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm,
1233                                      struct ieee80211_sta *sta);
1234 bool iwl_mvm_bt_coex_is_ant_avail(struct iwl_mvm *mvm, u8 ant);
1235 bool iwl_mvm_bt_coex_is_shared_ant_avail(struct iwl_mvm *mvm);
1236 bool iwl_mvm_bt_coex_is_tpc_allowed(struct iwl_mvm *mvm,
1237                                     enum ieee80211_band band);
1238 u8 iwl_mvm_bt_coex_tx_prio(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr,
1239                            struct ieee80211_tx_info *info, u8 ac);
1240
1241 bool iwl_mvm_bt_coex_is_ant_avail_old(struct iwl_mvm *mvm, u8 ant);
1242 bool iwl_mvm_bt_coex_is_shared_ant_avail_old(struct iwl_mvm *mvm);
1243 void iwl_mvm_bt_coex_vif_change_old(struct iwl_mvm *mvm);
1244 int iwl_send_bt_init_conf_old(struct iwl_mvm *mvm);
1245 int iwl_mvm_rx_bt_coex_notif_old(struct iwl_mvm *mvm,
1246                                  struct iwl_rx_cmd_buffer *rxb,
1247                                  struct iwl_device_cmd *cmd);
1248 void iwl_mvm_bt_rssi_event_old(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1249                                enum ieee80211_rssi_event rssi_event);
1250 u16 iwl_mvm_coex_agg_time_limit_old(struct iwl_mvm *mvm,
1251                                     struct ieee80211_sta *sta);
1252 bool iwl_mvm_bt_coex_is_mimo_allowed_old(struct iwl_mvm *mvm,
1253                                          struct ieee80211_sta *sta);
1254 bool iwl_mvm_bt_coex_is_tpc_allowed_old(struct iwl_mvm *mvm,
1255                                         enum ieee80211_band band);
1256 int iwl_mvm_rx_ant_coupling_notif_old(struct iwl_mvm *mvm,
1257                                       struct iwl_rx_cmd_buffer *rxb,
1258                                       struct iwl_device_cmd *cmd);
1259
1260 enum iwl_bt_kill_msk {
1261         BT_KILL_MSK_DEFAULT,
1262         BT_KILL_MSK_NEVER,
1263         BT_KILL_MSK_ALWAYS,
1264         BT_KILL_MSK_MAX,
1265 };
1266
1267 extern const u8 iwl_bt_ack_kill_msk[BT_MAX_AG][BT_COEX_MAX_LUT];
1268 extern const u8 iwl_bt_cts_kill_msk[BT_MAX_AG][BT_COEX_MAX_LUT];
1269 extern const u32 iwl_bt_ctl_kill_msk[BT_KILL_MSK_MAX];
1270
1271 /* beacon filtering */
1272 #ifdef CONFIG_IWLWIFI_DEBUGFS
1273 void
1274 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1275                                          struct iwl_beacon_filter_cmd *cmd);
1276 #else
1277 static inline void
1278 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1279                                          struct iwl_beacon_filter_cmd *cmd)
1280 {}
1281 #endif
1282 int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm,
1283                                    struct ieee80211_vif *vif,
1284                                    bool enable, u32 flags);
1285 int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
1286                                  struct ieee80211_vif *vif,
1287                                  u32 flags);
1288 int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
1289                                   struct ieee80211_vif *vif,
1290                                   u32 flags);
1291 /* SMPS */
1292 void iwl_mvm_update_smps(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1293                                 enum iwl_mvm_smps_type_request req_type,
1294                                 enum ieee80211_smps_mode smps_request);
1295 bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm *mvm);
1296
1297 /* Low latency */
1298 int iwl_mvm_update_low_latency(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1299                                bool value);
1300 /* get SystemLowLatencyMode - only needed for beacon threshold? */
1301 bool iwl_mvm_low_latency(struct iwl_mvm *mvm);
1302 /* get VMACLowLatencyMode */
1303 static inline bool iwl_mvm_vif_low_latency(struct iwl_mvm_vif *mvmvif)
1304 {
1305         /*
1306          * should this consider associated/active/... state?
1307          *
1308          * Normally low-latency should only be active on interfaces
1309          * that are active, but at least with debugfs it can also be
1310          * enabled on interfaces that aren't active. However, when
1311          * interface aren't active then they aren't added into the
1312          * binding, so this has no real impact. For now, just return
1313          * the current desired low-latency state.
1314          */
1315
1316         return mvmvif->low_latency;
1317 }
1318
1319 /* hw scheduler queue config */
1320 void iwl_mvm_enable_txq(struct iwl_mvm *mvm, int queue, u16 ssn,
1321                         const struct iwl_trans_txq_scd_cfg *cfg,
1322                         unsigned int wdg_timeout);
1323 void iwl_mvm_disable_txq(struct iwl_mvm *mvm, int queue, u8 flags);
1324
1325 static inline
1326 void iwl_mvm_enable_ac_txq(struct iwl_mvm *mvm, int queue,
1327                            u8 fifo, unsigned int wdg_timeout)
1328 {
1329         struct iwl_trans_txq_scd_cfg cfg = {
1330                 .fifo = fifo,
1331                 .tid = IWL_MAX_TID_COUNT,
1332                 .aggregate = false,
1333                 .frame_limit = IWL_FRAME_LIMIT,
1334         };
1335
1336         iwl_mvm_enable_txq(mvm, queue, 0, &cfg, wdg_timeout);
1337 }
1338
1339 static inline void iwl_mvm_enable_agg_txq(struct iwl_mvm *mvm, int queue,
1340                                           int fifo, int sta_id, int tid,
1341                                           int frame_limit, u16 ssn,
1342                                           unsigned int wdg_timeout)
1343 {
1344         struct iwl_trans_txq_scd_cfg cfg = {
1345                 .fifo = fifo,
1346                 .sta_id = sta_id,
1347                 .tid = tid,
1348                 .frame_limit = frame_limit,
1349                 .aggregate = true,
1350         };
1351
1352         iwl_mvm_enable_txq(mvm, queue, ssn, &cfg, wdg_timeout);
1353 }
1354
1355 /* Assoc status */
1356 bool iwl_mvm_is_idle(struct iwl_mvm *mvm);
1357
1358 /* Thermal management and CT-kill */
1359 void iwl_mvm_tt_tx_backoff(struct iwl_mvm *mvm, u32 backoff);
1360 void iwl_mvm_tt_temp_changed(struct iwl_mvm *mvm, u32 temp);
1361 int iwl_mvm_temp_notif(struct iwl_mvm *mvm,
1362                        struct iwl_rx_cmd_buffer *rxb,
1363                        struct iwl_device_cmd *cmd);
1364 void iwl_mvm_tt_handler(struct iwl_mvm *mvm);
1365 void iwl_mvm_tt_initialize(struct iwl_mvm *mvm, u32 min_backoff);
1366 void iwl_mvm_tt_exit(struct iwl_mvm *mvm);
1367 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state);
1368 int iwl_mvm_get_temp(struct iwl_mvm *mvm);
1369
1370 /* smart fifo */
1371 int iwl_mvm_sf_update(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1372                       bool added_vif);
1373
1374 /* TDLS */
1375
1376 /*
1377  * We use TID 4 (VI) as a FW-used-only TID when TDLS connections are present.
1378  * This TID is marked as used vs the AP and all connected TDLS peers.
1379  */
1380 #define IWL_MVM_TDLS_FW_TID 4
1381
1382 int iwl_mvm_tdls_sta_count(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1383 void iwl_mvm_teardown_tdls_peers(struct iwl_mvm *mvm);
1384 void iwl_mvm_recalc_tdls_state(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1385                                bool sta_added);
1386 void iwl_mvm_mac_mgd_protect_tdls_discover(struct ieee80211_hw *hw,
1387                                            struct ieee80211_vif *vif);
1388 int iwl_mvm_tdls_channel_switch(struct ieee80211_hw *hw,
1389                                 struct ieee80211_vif *vif,
1390                                 struct ieee80211_sta *sta, u8 oper_class,
1391                                 struct cfg80211_chan_def *chandef,
1392                                 struct sk_buff *tmpl_skb, u32 ch_sw_tm_ie);
1393 void iwl_mvm_tdls_recv_channel_switch(struct ieee80211_hw *hw,
1394                                       struct ieee80211_vif *vif,
1395                                       struct ieee80211_tdls_ch_sw_params *params);
1396 void iwl_mvm_tdls_cancel_channel_switch(struct ieee80211_hw *hw,
1397                                         struct ieee80211_vif *vif,
1398                                         struct ieee80211_sta *sta);
1399 int iwl_mvm_rx_tdls_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1400                           struct iwl_device_cmd *cmd);
1401 void iwl_mvm_tdls_ch_switch_work(struct work_struct *work);
1402
1403 struct ieee80211_vif *iwl_mvm_get_bss_vif(struct iwl_mvm *mvm);
1404
1405 void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error);
1406 void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm);
1407
1408 int iwl_mvm_start_fw_dbg_conf(struct iwl_mvm *mvm, enum iwl_fw_dbg_conf id);
1409 void iwl_mvm_fw_dbg_collect(struct iwl_mvm *mvm);
1410
1411 #endif /* __IWL_MVM_H__ */