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 "iwl-fw-file.h"
  79 #include "sta.h"
  80 #include "fw-api.h"
  81 #include "constants.h"
  82
  83 #define IWL_INVALID_MAC80211_QUEUE      0xff
  84 #define IWL_MVM_MAX_ADDRESSES           5
  85 /* RSSI offset for WkP */
  86 #define IWL_RSSI_OFFSET 50
  87 #define IWL_MVM_MISSED_BEACONS_THRESHOLD 8
  88 /* A TimeUnit is 1024 microsecond */
  89 #define MSEC_TO_TU(_msec)       (_msec*1000/1024)
  90
  91 /* For GO, this value represents the number of TUs before CSA "beacon
  92  * 0" TBTT when the CSA time-event needs to be scheduled to start.  It
  93  * must be big enough to ensure that we switch in time.
  94  */
  95 #define IWL_MVM_CHANNEL_SWITCH_TIME_GO          40
  96
  97 /* For client, this value represents the number of TUs before CSA
  98  * "beacon 1" TBTT, instead.  This is because we don't know when the
  99  * GO/AP will be in the new channel, so we switch early enough.
 100  */
 101 #define IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT      10
 102
 103 /*
 104  * This value (in TUs) is used to fine tune the CSA NoA end time which should
 105  * be just before "beacon 0" TBTT.
 106  */
 107 #define IWL_MVM_CHANNEL_SWITCH_MARGIN 4
 108
 109 /*
 110  * Number of beacons to transmit on a new channel until we unblock tx to
 111  * the stations, even if we didn't identify them on a new channel
 112  */
 113 #define IWL_MVM_CS_UNBLOCK_TX_TIMEOUT 3
 114
 115 extern const struct ieee80211_ops iwl_mvm_hw_ops;
 116
 117 /**
 118  * struct iwl_mvm_mod_params - module parameters for iwlmvm
 119  * @init_dbg: if true, then the NIC won't be stopped if the INIT fw asserted.
 120  *      We will register to mac80211 to have testmode working. The NIC must not
 121  *      be up'ed after the INIT fw asserted. This is useful to be able to use
 122  *      proprietary tools over testmode to debug the INIT fw.
 123  * @tfd_q_hang_detect: enabled the detection of hung transmit queues
 124  * @power_scheme: CAM(Continuous Active Mode)-1, BPS(Balanced Power
 125  *      Save)-2(default), LP(Low Power)-3
 126  */
 127 struct iwl_mvm_mod_params {
 128         bool init_dbg;
 129         bool tfd_q_hang_detect;
 130         int power_scheme;
 131 };
 132 extern struct iwl_mvm_mod_params iwlmvm_mod_params;
 133
 134 /**
 135  * struct iwl_mvm_dump_ptrs - set of pointers needed for the fw-error-dump
 136  *
 137  * @op_mode_ptr: pointer to the buffer coming from the mvm op_mode
 138  * @trans_ptr: pointer to struct %iwl_trans_dump_data which contains the
 139  *      transport's data.
 140  * @trans_len: length of the valid data in trans_ptr
 141  * @op_mode_len: length of the valid data in op_mode_ptr
 142  */
 143 struct iwl_mvm_dump_ptrs {
 144         struct iwl_trans_dump_data *trans_ptr;
 145         void *op_mode_ptr;
 146         u32 op_mode_len;
 147 };
 148
 149 /**
 150  * struct iwl_mvm_dump_desc - describes the dump
 151  * @len: length of trig_desc->data
 152  * @trig_desc: the description of the dump
 153  */
 154 struct iwl_mvm_dump_desc {
 155         size_t len;
 156         /* must be last */
 157         struct iwl_fw_error_dump_trigger_desc trig_desc;
 158 };
 159
 160 extern struct iwl_mvm_dump_desc iwl_mvm_dump_desc_assert;
 161
 162 struct iwl_mvm_phy_ctxt {
 163         u16 id;
 164         u16 color;
 165         u32 ref;
 166
 167         /*
 168          * TODO: This should probably be removed. Currently here only for rate
 169          * scaling algorithm
 170          */
 171         struct ieee80211_channel *channel;
 172 };
 173
 174 struct iwl_mvm_time_event_data {
 175         struct ieee80211_vif *vif;
 176         struct list_head list;
 177         unsigned long end_jiffies;
 178         u32 duration;
 179         bool running;
 180         u32 uid;
 181
 182         /*
 183          * The access to the 'id' field must be done when the
 184          * mvm->time_event_lock is held, as it value is used to indicate
 185          * if the te is in the time event list or not (when id == TE_MAX)
 186          */
 187         u32 id;
 188 };
 189
 190  /* Power management */
 191
 192 /**
 193  * enum iwl_power_scheme
 194  * @IWL_POWER_LEVEL_CAM - Continuously Active Mode
 195  * @IWL_POWER_LEVEL_BPS - Balanced Power Save (default)
 196  * @IWL_POWER_LEVEL_LP  - Low Power
 197  */
 198 enum iwl_power_scheme {
 199         IWL_POWER_SCHEME_CAM = 1,
 200         IWL_POWER_SCHEME_BPS,
 201         IWL_POWER_SCHEME_LP
 202 };
 203
 204 #define IWL_CONN_MAX_LISTEN_INTERVAL    10
 205 #define IWL_UAPSD_MAX_SP                IEEE80211_WMM_IE_STA_QOSINFO_SP_2
 206
 207 #ifdef CONFIG_IWLWIFI_DEBUGFS
 208 enum iwl_dbgfs_pm_mask {
 209         MVM_DEBUGFS_PM_KEEP_ALIVE = BIT(0),
 210         MVM_DEBUGFS_PM_SKIP_OVER_DTIM = BIT(1),
 211         MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS = BIT(2),
 212         MVM_DEBUGFS_PM_RX_DATA_TIMEOUT = BIT(3),
 213         MVM_DEBUGFS_PM_TX_DATA_TIMEOUT = BIT(4),
 214         MVM_DEBUGFS_PM_LPRX_ENA = BIT(6),
 215         MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD = BIT(7),
 216         MVM_DEBUGFS_PM_SNOOZE_ENABLE = BIT(8),
 217         MVM_DEBUGFS_PM_UAPSD_MISBEHAVING = BIT(9),
 218         MVM_DEBUGFS_PM_USE_PS_POLL = BIT(10),
 219 };
 220
 221 struct iwl_dbgfs_pm {
 222         u16 keep_alive_seconds;
 223         u32 rx_data_timeout;
 224         u32 tx_data_timeout;
 225         bool skip_over_dtim;
 226         u8 skip_dtim_periods;
 227         bool lprx_ena;
 228         u32 lprx_rssi_threshold;
 229         bool snooze_ena;
 230         bool uapsd_misbehaving;
 231         bool use_ps_poll;
 232         int mask;
 233 };
 234
 235 /* beacon filtering */
 236
 237 enum iwl_dbgfs_bf_mask {
 238         MVM_DEBUGFS_BF_ENERGY_DELTA = BIT(0),
 239         MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA = BIT(1),
 240         MVM_DEBUGFS_BF_ROAMING_STATE = BIT(2),
 241         MVM_DEBUGFS_BF_TEMP_THRESHOLD = BIT(3),
 242         MVM_DEBUGFS_BF_TEMP_FAST_FILTER = BIT(4),
 243         MVM_DEBUGFS_BF_TEMP_SLOW_FILTER = BIT(5),
 244         MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER = BIT(6),
 245         MVM_DEBUGFS_BF_DEBUG_FLAG = BIT(7),
 246         MVM_DEBUGFS_BF_ESCAPE_TIMER = BIT(8),
 247         MVM_DEBUGFS_BA_ESCAPE_TIMER = BIT(9),
 248         MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT = BIT(10),
 249 };
 250
 251 struct iwl_dbgfs_bf {
 252         u32 bf_energy_delta;
 253         u32 bf_roaming_energy_delta;
 254         u32 bf_roaming_state;
 255         u32 bf_temp_threshold;
 256         u32 bf_temp_fast_filter;
 257         u32 bf_temp_slow_filter;
 258         u32 bf_enable_beacon_filter;
 259         u32 bf_debug_flag;
 260         u32 bf_escape_timer;
 261         u32 ba_escape_timer;
 262         u32 ba_enable_beacon_abort;
 263         int mask;
 264 };
 265 #endif
 266
 267 enum iwl_mvm_smps_type_request {
 268         IWL_MVM_SMPS_REQ_BT_COEX,
 269         IWL_MVM_SMPS_REQ_TT,
 270         IWL_MVM_SMPS_REQ_PROT,
 271         NUM_IWL_MVM_SMPS_REQ,
 272 };
 273
 274 enum iwl_mvm_ref_type {
 275         IWL_MVM_REF_UCODE_DOWN,
 276         IWL_MVM_REF_SCAN,
 277         IWL_MVM_REF_ROC,
 278         IWL_MVM_REF_P2P_CLIENT,
 279         IWL_MVM_REF_AP_IBSS,
 280         IWL_MVM_REF_USER,
 281         IWL_MVM_REF_TX,
 282         IWL_MVM_REF_TX_AGG,
 283         IWL_MVM_REF_ADD_IF,
 284         IWL_MVM_REF_START_AP,
 285         IWL_MVM_REF_BSS_CHANGED,
 286         IWL_MVM_REF_PREPARE_TX,
 287         IWL_MVM_REF_PROTECT_TDLS,
 288         IWL_MVM_REF_CHECK_CTKILL,
 289         IWL_MVM_REF_PRPH_READ,
 290         IWL_MVM_REF_PRPH_WRITE,
 291         IWL_MVM_REF_NMI,
 292         IWL_MVM_REF_TM_CMD,
 293         IWL_MVM_REF_EXIT_WORK,
 294         IWL_MVM_REF_PROTECT_CSA,
 295         IWL_MVM_REF_FW_DBG_COLLECT,
 296
 297         /* update debugfs.c when changing this */
 298
 299         IWL_MVM_REF_COUNT,
 300 };
 301
 302 enum iwl_bt_force_ant_mode {
 303         BT_FORCE_ANT_DIS = 0,
 304         BT_FORCE_ANT_AUTO,
 305         BT_FORCE_ANT_BT,
 306         BT_FORCE_ANT_WIFI,
 307
 308         BT_FORCE_ANT_MAX,
 309 };
 310
 311 /**
 312 * struct iwl_mvm_vif_bf_data - beacon filtering related data
 313 * @bf_enabled: indicates if beacon filtering is enabled
 314 * @ba_enabled: indicated if beacon abort is enabled
 315 * @ave_beacon_signal: average beacon signal
 316 * @last_cqm_event: rssi of the last cqm event
 317 * @bt_coex_min_thold: minimum threshold for BT coex
 318 * @bt_coex_max_thold: maximum threshold for BT coex
 319 * @last_bt_coex_event: rssi of the last BT coex event
 320 */
 321 struct iwl_mvm_vif_bf_data {
 322         bool bf_enabled;
 323         bool ba_enabled;
 324         s8 ave_beacon_signal;
 325         s8 last_cqm_event;
 326         s8 bt_coex_min_thold;
 327         s8 bt_coex_max_thold;
 328         s8 last_bt_coex_event;
 329 };
 330
 331 /**
 332  * struct iwl_mvm_vif - data per Virtual Interface, it is a MAC context
 333  * @id: between 0 and 3
 334  * @color: to solve races upon MAC addition and removal
 335  * @ap_sta_id: the sta_id of the AP - valid only if VIF type is STA
 336  * @bssid: BSSID for this (client) interface
 337  * @associated: indicates that we're currently associated, used only for
 338  *      managing the firmware state in iwl_mvm_bss_info_changed_station()
 339  * @uploaded: indicates the MAC context has been added to the device
 340  * @ap_ibss_active: indicates that AP/IBSS is configured and that the interface
 341  *      should get quota etc.
 342  * @pm_enabled - Indicate if MAC power management is allowed
 343  * @monitor_active: indicates that monitor context is configured, and that the
 344  *      interface should get quota etc.
 345  * @low_latency: indicates that this interface is in low-latency mode
 346  *      (VMACLowLatencyMode)
 347  * @ps_disabled: indicates that this interface requires PS to be disabled
 348  * @queue_params: QoS params for this MAC
 349  * @bcast_sta: station used for broadcast packets. Used by the following
 350  *  vifs: P2P_DEVICE, GO and AP.
 351  * @beacon_skb: the skb used to hold the AP/GO beacon template
 352  * @smps_requests: the SMPS requests of differents parts of the driver,
 353  *      combined on update to yield the overall request to mac80211.
 354  * @beacon_stats: beacon statistics, containing the # of received beacons,
 355  *      # of received beacons accumulated over FW restart, and the current
 356  *      average signal of beacons retrieved from the firmware
 357  */
 358 struct iwl_mvm_vif {
 359         struct iwl_mvm *mvm;
 360         u16 id;
 361         u16 color;
 362         u8 ap_sta_id;
 363
 364         u8 bssid[ETH_ALEN];
 365         bool associated;
 366
 367         bool uploaded;
 368         bool ap_ibss_active;
 369         bool pm_enabled;
 370         bool monitor_active;
 371         bool low_latency;
 372         bool ps_disabled;
 373         struct iwl_mvm_vif_bf_data bf_data;
 374
 375         struct {
 376                 u32 num_beacons, accu_num_beacons;
 377                 u8 avg_signal;
 378         } beacon_stats;
 379
 380         u32 ap_beacon_time;
 381
 382         enum iwl_tsf_id tsf_id;
 383
 384         /*
 385          * QoS data from mac80211, need to store this here
 386          * as mac80211 has a separate callback but we need
 387          * to have the data for the MAC context
 388          */
 389         struct ieee80211_tx_queue_params queue_params[IEEE80211_NUM_ACS];
 390         struct iwl_mvm_time_event_data time_event_data;
 391         struct iwl_mvm_time_event_data hs_time_event_data;
 392
 393         struct iwl_mvm_int_sta bcast_sta;
 394
 395         /*
 396          * Assigned while mac80211 has the interface in a channel context,
 397          * or, for P2P Device, while it exists.
 398          */
 399         struct iwl_mvm_phy_ctxt *phy_ctxt;
 400
 401 #ifdef CONFIG_PM_SLEEP
 402         /* WoWLAN GTK rekey data */
 403         struct {
 404                 u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN];
 405                 __le64 replay_ctr;
 406                 bool valid;
 407         } rekey_data;
 408
 409         int tx_key_idx;
 410
 411         bool seqno_valid;
 412         u16 seqno;
 413 #endif
 414
 415 #if IS_ENABLED(CONFIG_IPV6)
 416         /* IPv6 addresses for WoWLAN */
 417         struct in6_addr target_ipv6_addrs[IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_MAX];
 418         int num_target_ipv6_addrs;
 419 #endif
 420
 421 #ifdef CONFIG_IWLWIFI_DEBUGFS
 422         struct dentry *dbgfs_dir;
 423         struct dentry *dbgfs_slink;
 424         struct iwl_dbgfs_pm dbgfs_pm;
 425         struct iwl_dbgfs_bf dbgfs_bf;
 426         struct iwl_mac_power_cmd mac_pwr_cmd;
 427 #endif
 428
 429         enum ieee80211_smps_mode smps_requests[NUM_IWL_MVM_SMPS_REQ];
 430
 431         /* FW identified misbehaving AP */
 432         u8 uapsd_misbehaving_bssid[ETH_ALEN];
 433
 434         /* Indicates that CSA countdown may be started */
 435         bool csa_countdown;
 436 };
 437
 438 static inline struct iwl_mvm_vif *
 439 iwl_mvm_vif_from_mac80211(struct ieee80211_vif *vif)
 440 {
 441         return (void *)vif->drv_priv;
 442 }
 443
 444 extern const u8 tid_to_mac80211_ac[];
 445
 446 enum iwl_scan_status {
 447         IWL_MVM_SCAN_NONE,
 448         IWL_MVM_SCAN_OS,
 449         IWL_MVM_SCAN_SCHED,
 450 };
 451
 452 /**
 453  * struct iwl_nvm_section - describes an NVM section in memory.
 454  *
 455  * This struct holds an NVM section read from the NIC using NVM_ACCESS_CMD,
 456  * and saved for later use by the driver. Not all NVM sections are saved
 457  * this way, only the needed ones.
 458  */
 459 struct iwl_nvm_section {
 460         u16 length;
 461         const u8 *data;
 462 };
 463
 464 /*
 465  * Tx-backoff threshold
 466  * @temperature: The threshold in Celsius
 467  * @backoff: The tx-backoff in uSec
 468  */
 469 struct iwl_tt_tx_backoff {
 470         s32 temperature;
 471         u32 backoff;
 472 };
 473
 474 #define TT_TX_BACKOFF_SIZE 6
 475
 476 /**
 477  * struct iwl_tt_params - thermal throttling parameters
 478  * @ct_kill_entry: CT Kill entry threshold
 479  * @ct_kill_exit: CT Kill exit threshold
 480  * @ct_kill_duration: The time  intervals (in uSec) in which the driver needs
 481  *      to checks whether to exit CT Kill.
 482  * @dynamic_smps_entry: Dynamic SMPS entry threshold
 483  * @dynamic_smps_exit: Dynamic SMPS exit threshold
 484  * @tx_protection_entry: TX protection entry threshold
 485  * @tx_protection_exit: TX protection exit threshold
 486  * @tx_backoff: Array of thresholds for tx-backoff , in ascending order.
 487  * @support_ct_kill: Support CT Kill?
 488  * @support_dynamic_smps: Support dynamic SMPS?
 489  * @support_tx_protection: Support tx protection?
 490  * @support_tx_backoff: Support tx-backoff?
 491  */
 492 struct iwl_tt_params {
 493         s32 ct_kill_entry;
 494         s32 ct_kill_exit;
 495         u32 ct_kill_duration;
 496         s32 dynamic_smps_entry;
 497         s32 dynamic_smps_exit;
 498         s32 tx_protection_entry;
 499         s32 tx_protection_exit;
 500         struct iwl_tt_tx_backoff tx_backoff[TT_TX_BACKOFF_SIZE];
 501         bool support_ct_kill;
 502         bool support_dynamic_smps;
 503         bool support_tx_protection;
 504         bool support_tx_backoff;
 505 };
 506
 507 /**
 508  * struct iwl_mvm_tt_mgnt - Thermal Throttling Management structure
 509  * @ct_kill_exit: worker to exit thermal kill
 510  * @dynamic_smps: Is thermal throttling enabled dynamic_smps?
 511  * @tx_backoff: The current thremal throttling tx backoff in uSec.
 512  * @min_backoff: The minimal tx backoff due to power restrictions
 513  * @params: Parameters to configure the thermal throttling algorithm.
 514  * @throttle: Is thermal throttling is active?
 515  */
 516 struct iwl_mvm_tt_mgmt {
 517         struct delayed_work ct_kill_exit;
 518         bool dynamic_smps;
 519         u32 tx_backoff;
 520         u32 min_backoff;
 521         const struct iwl_tt_params *params;
 522         bool throttle;
 523 };
 524
 525 #define IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES 8
 526
 527 struct iwl_mvm_frame_stats {
 528         u32 legacy_frames;
 529         u32 ht_frames;
 530         u32 vht_frames;
 531         u32 bw_20_frames;
 532         u32 bw_40_frames;
 533         u32 bw_80_frames;
 534         u32 bw_160_frames;
 535         u32 sgi_frames;
 536         u32 ngi_frames;
 537         u32 siso_frames;
 538         u32 mimo2_frames;
 539         u32 agg_frames;
 540         u32 ampdu_count;
 541         u32 success_frames;
 542         u32 fail_frames;
 543         u32 last_rates[IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES];
 544         int last_frame_idx;
 545 };
 546
 547 enum {
 548         D0I3_DEFER_WAKEUP,
 549         D0I3_PENDING_WAKEUP,
 550 };
 551
 552 #define IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE 0xff
 553 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MIN -100
 554 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MAX 200
 555
 556 enum iwl_mvm_tdls_cs_state {
 557         IWL_MVM_TDLS_SW_IDLE = 0,
 558         IWL_MVM_TDLS_SW_REQ_SENT,
 559         IWL_MVM_TDLS_SW_RESP_RCVD,
 560         IWL_MVM_TDLS_SW_REQ_RCVD,
 561         IWL_MVM_TDLS_SW_ACTIVE,
 562 };
 563
 564 struct iwl_mvm_shared_mem_cfg {
 565         u32 shared_mem_addr;
 566         u32 shared_mem_size;
 567         u32 sample_buff_addr;
 568         u32 sample_buff_size;
 569         u32 txfifo_addr;
 570         u32 txfifo_size[TX_FIFO_MAX_NUM];
 571         u32 rxfifo_size[RX_FIFO_MAX_NUM];
 572         u32 page_buff_addr;
 573         u32 page_buff_size;
 574 };
 575
 576 struct iwl_mvm {
 577         /* for logger access */
 578         struct device *dev;
 579
 580         struct iwl_trans *trans;
 581         const struct iwl_fw *fw;
 582         const struct iwl_cfg *cfg;
 583         struct iwl_phy_db *phy_db;
 584         struct ieee80211_hw *hw;
 585
 586         /* for protecting access to iwl_mvm */
 587         struct mutex mutex;
 588         struct list_head async_handlers_list;
 589         spinlock_t async_handlers_lock;
 590         struct work_struct async_handlers_wk;
 591
 592         struct work_struct roc_done_wk;
 593
 594         unsigned long status;
 595
 596         /*
 597          * for beacon filtering -
 598          * currently only one interface can be supported
 599          */
 600         struct iwl_mvm_vif *bf_allowed_vif;
 601
 602         enum iwl_ucode_type cur_ucode;
 603         bool ucode_loaded;
 604         bool init_ucode_complete;
 605         bool calibrating;
 606         u32 error_event_table;
 607         u32 log_event_table;
 608         u32 umac_error_event_table;
 609         bool support_umac_log;
 610         struct iwl_sf_region sf_space;
 611
 612         u32 ampdu_ref;
 613
 614         struct iwl_notif_wait_data notif_wait;
 615
 616         struct mvm_statistics_rx rx_stats;
 617
 618         struct {
 619                 u64 rx_time;
 620                 u64 tx_time;
 621                 u64 on_time_rf;
 622                 u64 on_time_scan;
 623         } radio_stats, accu_radio_stats;
 624
 625         u8 queue_to_mac80211[IWL_MAX_HW_QUEUES];
 626         atomic_t mac80211_queue_stop_count[IEEE80211_MAX_QUEUES];
 627
 628         const char *nvm_file_name;
 629         struct iwl_nvm_data *nvm_data;
 630         /* NVM sections */
 631         struct iwl_nvm_section nvm_sections[NVM_MAX_NUM_SECTIONS];
 632
 633         /* EEPROM MAC addresses */
 634         struct mac_address addresses[IWL_MVM_MAX_ADDRESSES];
 635
 636         /* data related to data path */
 637         struct iwl_rx_phy_info last_phy_info;
 638         struct ieee80211_sta __rcu *fw_id_to_mac_id[IWL_MVM_STATION_COUNT];
 639         struct work_struct sta_drained_wk;
 640         unsigned long sta_drained[BITS_TO_LONGS(IWL_MVM_STATION_COUNT)];
 641         atomic_t pending_frames[IWL_MVM_STATION_COUNT];
 642         u32 tfd_drained[IWL_MVM_STATION_COUNT];
 643         u8 rx_ba_sessions;
 644
 645         /* configured by mac80211 */
 646         u32 rts_threshold;
 647
 648         /* Scan status, cmd (pre-allocated) and auxiliary station */
 649         enum iwl_scan_status scan_status;
 650         void *scan_cmd;
 651         struct iwl_mcast_filter_cmd *mcast_filter_cmd;
 652
 653         /* UMAC scan tracking */
 654         u32 scan_uid[IWL_MVM_MAX_SIMULTANEOUS_SCANS];
 655         u8 scan_seq_num, sched_scan_seq_num;
 656
 657         /* rx chain antennas set through debugfs for the scan command */
 658         u8 scan_rx_ant;
 659
 660 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
 661         /* broadcast filters to configure for each associated station */
 662         const struct iwl_fw_bcast_filter *bcast_filters;
 663 #ifdef CONFIG_IWLWIFI_DEBUGFS
 664         struct {
 665                 u32 override; /* u32 for debugfs_create_bool */
 666                 struct iwl_bcast_filter_cmd cmd;
 667         } dbgfs_bcast_filtering;
 668 #endif
 669 #endif
 670
 671         /* Internal station */
 672         struct iwl_mvm_int_sta aux_sta;
 673
 674         bool last_ebs_successful;
 675
 676         u8 scan_last_antenna_idx; /* to toggle TX between antennas */
 677         u8 mgmt_last_antenna_idx;
 678
 679         /* last smart fifo state that was successfully sent to firmware */
 680         enum iwl_sf_state sf_state;
 681
 682 #ifdef CONFIG_IWLWIFI_DEBUGFS
 683         struct dentry *debugfs_dir;
 684         u32 dbgfs_sram_offset, dbgfs_sram_len;
 685         u32 dbgfs_prph_reg_addr;
 686         bool disable_power_off;
 687         bool disable_power_off_d3;
 688
 689         bool scan_iter_notif_enabled;
 690
 691         struct debugfs_blob_wrapper nvm_hw_blob;
 692         struct debugfs_blob_wrapper nvm_sw_blob;
 693         struct debugfs_blob_wrapper nvm_calib_blob;
 694         struct debugfs_blob_wrapper nvm_prod_blob;
 695
 696         struct iwl_mvm_frame_stats drv_rx_stats;
 697         spinlock_t drv_stats_lock;
 698         u16 dbgfs_rx_phyinfo;
 699 #endif
 700
 701         struct iwl_mvm_phy_ctxt phy_ctxts[NUM_PHY_CTX];
 702
 703         struct list_head time_event_list;
 704         spinlock_t time_event_lock;
 705
 706         /*
 707          * A bitmap indicating the index of the key in use. The firmware
 708          * can hold 16 keys at most. Reflect this fact.
 709          */
 710         unsigned long fw_key_table[BITS_TO_LONGS(STA_KEY_MAX_NUM)];
 711
 712         /* references taken by the driver and spinlock protecting them */
 713         spinlock_t refs_lock;
 714         u8 refs[IWL_MVM_REF_COUNT];
 715
 716         u8 vif_count;
 717
 718         /* -1 for always, 0 for never, >0 for that many times */
 719         s8 restart_fw;
 720         u8 fw_dbg_conf;
 721         struct delayed_work fw_dump_wk;
 722         struct iwl_mvm_dump_desc *fw_dump_desc;
 723
 724 #ifdef CONFIG_IWLWIFI_LEDS
 725         struct led_classdev led;
 726 #endif
 727
 728         struct ieee80211_vif *p2p_device_vif;
 729
 730 #ifdef CONFIG_PM_SLEEP
 731         struct wiphy_wowlan_support wowlan;
 732         int gtk_ivlen, gtk_icvlen, ptk_ivlen, ptk_icvlen;
 733
 734         /* sched scan settings for net detect */
 735         struct cfg80211_sched_scan_request *nd_config;
 736         struct ieee80211_scan_ies nd_ies;
 737         struct cfg80211_match_set *nd_match_sets;
 738         int n_nd_match_sets;
 739         struct ieee80211_channel **nd_channels;
 740         int n_nd_channels;
 741         bool net_detect;
 742 #ifdef CONFIG_IWLWIFI_DEBUGFS
 743         u32 d3_wake_sysassert; /* must be u32 for debugfs_create_bool */
 744         bool d3_test_active;
 745         bool store_d3_resume_sram;
 746         void *d3_resume_sram;
 747         u32 d3_test_pme_ptr;
 748         struct ieee80211_vif *keep_vif;
 749 #endif
 750 #endif
 751
 752         /* d0i3 */
 753         u8 d0i3_ap_sta_id;
 754         bool d0i3_offloading;
 755         struct work_struct d0i3_exit_work;
 756         struct sk_buff_head d0i3_tx;
 757         /* protect d0i3_suspend_flags */
 758         struct mutex d0i3_suspend_mutex;
 759         unsigned long d0i3_suspend_flags;
 760         /* sync d0i3_tx queue and IWL_MVM_STATUS_IN_D0I3 status flag */
 761         spinlock_t d0i3_tx_lock;
 762         wait_queue_head_t d0i3_exit_waitq;
 763
 764         /* BT-Coex */
 765         u8 bt_ack_kill_msk[NUM_PHY_CTX];
 766         u8 bt_cts_kill_msk[NUM_PHY_CTX];
 767
 768         struct iwl_bt_coex_profile_notif_old last_bt_notif_old;
 769         struct iwl_bt_coex_ci_cmd_old last_bt_ci_cmd_old;
 770         struct iwl_bt_coex_profile_notif last_bt_notif;
 771         struct iwl_bt_coex_ci_cmd last_bt_ci_cmd;
 772
 773         u32 last_ant_isol;
 774         u8 last_corun_lut;
 775         u8 bt_tx_prio;
 776         enum iwl_bt_force_ant_mode bt_force_ant_mode;
 777
 778         /* Aux ROC */
 779         struct list_head aux_roc_te_list;
 780
 781         /* Thermal Throttling and CTkill */
 782         struct iwl_mvm_tt_mgmt thermal_throttle;
 783         s32 temperature;        /* Celsius */
 784         /*
 785          * Debug option to set the NIC temperature. This option makes the
 786          * driver think this is the actual NIC temperature, and ignore the
 787          * real temperature that is received from the fw
 788          */
 789         bool temperature_test;  /* Debug test temperature is enabled */
 790
 791         struct iwl_time_quota_cmd last_quota_cmd;
 792
 793 #ifdef CONFIG_NL80211_TESTMODE
 794         u32 noa_duration;
 795         struct ieee80211_vif *noa_vif;
 796 #endif
 797
 798         /* Tx queues */
 799         u8 aux_queue;
 800         u8 first_agg_queue;
 801         u8 last_agg_queue;
 802
 803         /* Indicate if device power save is allowed */
 804         u8 ps_disabled; /* u8 instead of bool to ease debugfs_create_* usage */
 805
 806         struct ieee80211_vif __rcu *csa_vif;
 807         struct ieee80211_vif __rcu *csa_tx_blocked_vif;
 808         u8 csa_tx_block_bcn_timeout;
 809
 810         /* system time of last beacon (for AP/GO interface) */
 811         u32 ap_last_beacon_gp2;
 812
 813         bool lar_regdom_set;
 814
 815         u8 low_latency_agg_frame_limit;
 816
 817         /* TDLS channel switch data */
 818         struct {
 819                 struct delayed_work dwork;
 820                 enum iwl_mvm_tdls_cs_state state;
 821
 822                 /*
 823                  * Current cs sta - might be different from periodic cs peer
 824                  * station. Value is meaningless when the cs-state is idle.
 825                  */
 826                 u8 cur_sta_id;
 827
 828                 /* TDLS periodic channel-switch peer */
 829                 struct {
 830                         u8 sta_id;
 831                         u8 op_class;
 832                         bool initiator; /* are we the link initiator */
 833                         struct cfg80211_chan_def chandef;
 834                         struct sk_buff *skb; /* ch sw template */
 835                         u32 ch_sw_tm_ie;
 836
 837                         /* timestamp of last ch-sw request sent (GP2 time) */
 838                         u32 sent_timestamp;
 839                 } peer;
 840         } tdls_cs;
 841
 842         struct iwl_mvm_shared_mem_cfg shared_mem_cfg;
 843 };
 844
 845 /* Extract MVM priv from op_mode and _hw */
 846 #define IWL_OP_MODE_GET_MVM(_iwl_op_mode)               \
 847         ((struct iwl_mvm *)(_iwl_op_mode)->op_mode_specific)
 848
 849 #define IWL_MAC80211_GET_MVM(_hw)                       \
 850         IWL_OP_MODE_GET_MVM((struct iwl_op_mode *)((_hw)->priv))
 851
 852 enum iwl_mvm_status {
 853         IWL_MVM_STATUS_HW_RFKILL,
 854         IWL_MVM_STATUS_HW_CTKILL,
 855         IWL_MVM_STATUS_ROC_RUNNING,
 856         IWL_MVM_STATUS_IN_HW_RESTART,
 857         IWL_MVM_STATUS_IN_D0I3,
 858         IWL_MVM_STATUS_ROC_AUX_RUNNING,
 859         IWL_MVM_STATUS_D3_RECONFIG,
 860         IWL_MVM_STATUS_DUMPING_FW_LOG,
 861 };
 862
 863 static inline bool iwl_mvm_is_radio_killed(struct iwl_mvm *mvm)
 864 {
 865         return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status) ||
 866                test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
 867 }
 868
 869 /* Must be called with rcu_read_lock() held and it can only be
 870  * released when mvmsta is not needed anymore.
 871  */
 872 static inline struct iwl_mvm_sta *
 873 iwl_mvm_sta_from_staid_rcu(struct iwl_mvm *mvm, u8 sta_id)
 874 {
 875         struct ieee80211_sta *sta;
 876
 877         if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
 878                 return NULL;
 879
 880         sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
 881
 882         /* This can happen if the station has been removed right now */
 883         if (IS_ERR_OR_NULL(sta))
 884                 return NULL;
 885
 886         return iwl_mvm_sta_from_mac80211(sta);
 887 }
 888
 889 static inline struct iwl_mvm_sta *
 890 iwl_mvm_sta_from_staid_protected(struct iwl_mvm *mvm, u8 sta_id)
 891 {
 892         struct ieee80211_sta *sta;
 893
 894         if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
 895                 return NULL;
 896
 897         sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id],
 898                                         lockdep_is_held(&mvm->mutex));
 899
 900         /* This can happen if the station has been removed right now */
 901         if (IS_ERR_OR_NULL(sta))
 902                 return NULL;
 903
 904         return iwl_mvm_sta_from_mac80211(sta);
 905 }
 906
 907 static inline bool iwl_mvm_is_d0i3_supported(struct iwl_mvm *mvm)
 908 {
 909         return mvm->trans->cfg->d0i3 &&
 910                mvm->trans->d0i3_mode != IWL_D0I3_MODE_OFF &&
 911                !iwlwifi_mod_params.d0i3_disable &&
 912                (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_D0I3_SUPPORT);
 913 }
 914
 915 static inline bool iwl_mvm_is_lar_supported(struct iwl_mvm *mvm)
 916 {
 917         return mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_LAR_SUPPORT;
 918 }
 919
 920 static inline bool iwl_mvm_is_scd_cfg_supported(struct iwl_mvm *mvm)
 921 {
 922         return mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_SCD_CFG;
 923 }
 924
 925 static inline bool iwl_mvm_bt_is_plcr_supported(struct iwl_mvm *mvm)
 926 {
 927         return (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_BT_COEX_PLCR) &&
 928                 IWL_MVM_BT_COEX_CORUNNING;
 929 }
 930
 931 extern const u8 iwl_mvm_ac_to_tx_fifo[];
 932
 933 struct iwl_rate_info {
 934         u8 plcp;        /* uCode API:  IWL_RATE_6M_PLCP, etc. */
 935         u8 plcp_siso;   /* uCode API:  IWL_RATE_SISO_6M_PLCP, etc. */
 936         u8 plcp_mimo2;  /* uCode API:  IWL_RATE_MIMO2_6M_PLCP, etc. */
 937         u8 plcp_mimo3;  /* uCode API:  IWL_RATE_MIMO3_6M_PLCP, etc. */
 938         u8 ieee;        /* MAC header:  IWL_RATE_6M_IEEE, etc. */
 939 };
 940
 941 void __iwl_mvm_mac_stop(struct iwl_mvm *mvm);
 942 int __iwl_mvm_mac_start(struct iwl_mvm *mvm);
 943
 944 /******************
 945  * MVM Methods
 946  ******************/
 947 /* uCode */
 948 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm);
 949
 950 /* Utils */
 951 int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags,
 952                                         enum ieee80211_band band);
 953 void iwl_mvm_hwrate_to_tx_rate(u32 rate_n_flags,
 954                                enum ieee80211_band band,
 955                                struct ieee80211_tx_rate *r);
 956 u8 iwl_mvm_mac80211_idx_to_hwrate(int rate_idx);
 957 void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm);
 958 u8 first_antenna(u8 mask);
 959 u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx);
 960
 961 /* Tx / Host Commands */
 962 int __must_check iwl_mvm_send_cmd(struct iwl_mvm *mvm,
 963                                   struct iwl_host_cmd *cmd);
 964 int __must_check iwl_mvm_send_cmd_pdu(struct iwl_mvm *mvm, u8 id,
 965                                       u32 flags, u16 len, const void *data);
 966 int __must_check iwl_mvm_send_cmd_status(struct iwl_mvm *mvm,
 967                                          struct iwl_host_cmd *cmd,
 968                                          u32 *status);
 969 int __must_check iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u8 id,
 970                                              u16 len, const void *data,
 971                                              u32 *status);
 972 int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb,
 973                    struct ieee80211_sta *sta);
 974 int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb);
 975 void iwl_mvm_set_tx_cmd(struct iwl_mvm *mvm, struct sk_buff *skb,
 976                         struct iwl_tx_cmd *tx_cmd,
 977                         struct ieee80211_tx_info *info, u8 sta_id);
 978 void iwl_mvm_set_tx_cmd_crypto(struct iwl_mvm *mvm,
 979                                struct ieee80211_tx_info *info,
 980                                struct iwl_tx_cmd *tx_cmd,
 981                                struct sk_buff *skb_frag);
 982 void iwl_mvm_set_tx_cmd_rate(struct iwl_mvm *mvm, struct iwl_tx_cmd *tx_cmd,
 983                             struct ieee80211_tx_info *info,
 984                             struct ieee80211_sta *sta, __le16 fc);
 985 #ifdef CONFIG_IWLWIFI_DEBUG
 986 const char *iwl_mvm_get_tx_fail_reason(u32 status);
 987 #else
 988 static inline const char *iwl_mvm_get_tx_fail_reason(u32 status) { return ""; }
 989 #endif
 990 int iwl_mvm_flush_tx_path(struct iwl_mvm *mvm, u32 tfd_msk, bool sync);
 991 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm);
 992
 993 static inline void iwl_mvm_wait_for_async_handlers(struct iwl_mvm *mvm)
 994 {
 995         flush_work(&mvm->async_handlers_wk);
 996 }
 997
 998 /* Statistics */
 999 void iwl_mvm_handle_rx_statistics(struct iwl_mvm *mvm,
1000                                   struct iwl_rx_packet *pkt);
1001 int iwl_mvm_rx_statistics(struct iwl_mvm *mvm,
1002                           struct iwl_rx_cmd_buffer *rxb,
1003                           struct iwl_device_cmd *cmd);
1004 int iwl_mvm_request_statistics(struct iwl_mvm *mvm, bool clear);
1005 void iwl_mvm_accu_radio_stats(struct iwl_mvm *mvm);
1006
1007 /* NVM */
1008 int iwl_nvm_init(struct iwl_mvm *mvm, bool read_nvm_from_nic);
1009 int iwl_mvm_load_nvm_to_nic(struct iwl_mvm *mvm);
1010
1011 static inline u8 iwl_mvm_get_valid_tx_ant(struct iwl_mvm *mvm)
1012 {
1013         return mvm->nvm_data && mvm->nvm_data->valid_tx_ant ?
1014                mvm->fw->valid_tx_ant & mvm->nvm_data->valid_tx_ant :
1015                mvm->fw->valid_tx_ant;
1016 }
1017
1018 static inline u8 iwl_mvm_get_valid_rx_ant(struct iwl_mvm *mvm)
1019 {
1020         return mvm->nvm_data && mvm->nvm_data->valid_rx_ant ?
1021                mvm->fw->valid_rx_ant & mvm->nvm_data->valid_rx_ant :
1022                mvm->fw->valid_rx_ant;
1023 }
1024
1025 static inline u32 iwl_mvm_get_phy_config(struct iwl_mvm *mvm)
1026 {
1027         u32 phy_config = ~(FW_PHY_CFG_TX_CHAIN |
1028                            FW_PHY_CFG_RX_CHAIN);
1029         u32 valid_rx_ant = iwl_mvm_get_valid_rx_ant(mvm);
1030         u32 valid_tx_ant = iwl_mvm_get_valid_tx_ant(mvm);
1031
1032         phy_config |= valid_tx_ant << FW_PHY_CFG_TX_CHAIN_POS |
1033                       valid_rx_ant << FW_PHY_CFG_RX_CHAIN_POS;
1034
1035         return mvm->fw->phy_config & phy_config;
1036 }
1037
1038 int iwl_mvm_up(struct iwl_mvm *mvm);
1039 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm);
1040
1041 int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm);
1042 bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm,
1043                                     struct iwl_bcast_filter_cmd *cmd);
1044
1045 /*
1046  * FW notifications / CMD responses handlers
1047  * Convention: iwl_mvm_rx_<NAME OF THE CMD>
1048  */
1049 int iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1050                           struct iwl_device_cmd *cmd);
1051 int iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1052                        struct iwl_device_cmd *cmd);
1053 int iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1054                       struct iwl_device_cmd *cmd);
1055 int iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1056                         struct iwl_device_cmd *cmd);
1057 int iwl_mvm_rx_radio_ver(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1058                          struct iwl_device_cmd *cmd);
1059 int iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm,
1060                                   struct iwl_rx_cmd_buffer *rxb,
1061                                   struct iwl_device_cmd *cmd);
1062 int iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1063                           struct iwl_device_cmd *cmd);
1064 int iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
1065                                 struct iwl_rx_cmd_buffer *rxb,
1066                                 struct iwl_device_cmd *cmd);
1067 int iwl_mvm_rx_radio_ver(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1068                          struct iwl_device_cmd *cmd);
1069 int iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1070                             struct iwl_device_cmd *cmd);
1071 int iwl_mvm_rx_shared_mem_cfg_notif(struct iwl_mvm *mvm,
1072                                     struct iwl_rx_cmd_buffer *rxb,
1073                                     struct iwl_device_cmd *cmd);
1074
1075 /* MVM PHY */
1076 int iwl_mvm_phy_ctxt_add(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
1077                          struct cfg80211_chan_def *chandef,
1078                          u8 chains_static, u8 chains_dynamic);
1079 int iwl_mvm_phy_ctxt_changed(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
1080                              struct cfg80211_chan_def *chandef,
1081                              u8 chains_static, u8 chains_dynamic);
1082 void iwl_mvm_phy_ctxt_ref(struct iwl_mvm *mvm,
1083                           struct iwl_mvm_phy_ctxt *ctxt);
1084 void iwl_mvm_phy_ctxt_unref(struct iwl_mvm *mvm,
1085                             struct iwl_mvm_phy_ctxt *ctxt);
1086 int iwl_mvm_phy_ctx_count(struct iwl_mvm *mvm);
1087 u8 iwl_mvm_get_channel_width(struct cfg80211_chan_def *chandef);
1088 u8 iwl_mvm_get_ctrl_pos(struct cfg80211_chan_def *chandef);
1089
1090 /* MAC (virtual interface) programming */
1091 int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1092 void iwl_mvm_mac_ctxt_release(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1093 int iwl_mvm_mac_ctxt_add(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1094 int iwl_mvm_mac_ctxt_changed(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1095                              bool force_assoc_off, const u8 *bssid_override);
1096 int iwl_mvm_mac_ctxt_remove(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1097 u32 iwl_mvm_mac_get_queues_mask(struct ieee80211_vif *vif);
1098 int iwl_mvm_mac_ctxt_beacon_changed(struct iwl_mvm *mvm,
1099                                     struct ieee80211_vif *vif);
1100 int iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm,
1101                             struct iwl_rx_cmd_buffer *rxb,
1102                             struct iwl_device_cmd *cmd);
1103 int iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm,
1104                                     struct iwl_rx_cmd_buffer *rxb,
1105                                     struct iwl_device_cmd *cmd);
1106 void iwl_mvm_mac_ctxt_recalc_tsf_id(struct iwl_mvm *mvm,
1107                                     struct ieee80211_vif *vif);
1108 unsigned long iwl_mvm_get_used_hw_queues(struct iwl_mvm *mvm,
1109                                          struct ieee80211_vif *exclude_vif);
1110
1111 /* Bindings */
1112 int iwl_mvm_binding_add_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1113 int iwl_mvm_binding_remove_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1114
1115 /* Quota management */
1116 int iwl_mvm_update_quotas(struct iwl_mvm *mvm,
1117                           struct ieee80211_vif *disabled_vif);
1118
1119 /* Scanning */
1120 int iwl_mvm_scan_size(struct iwl_mvm *mvm);
1121 int iwl_mvm_cancel_scan(struct iwl_mvm *mvm);
1122 int iwl_mvm_max_scan_ie_len(struct iwl_mvm *mvm, bool is_sched_scan);
1123
1124 /* Scheduled scan */
1125 int iwl_mvm_rx_scan_offload_complete_notif(struct iwl_mvm *mvm,
1126                                            struct iwl_rx_cmd_buffer *rxb,
1127                                            struct iwl_device_cmd *cmd);
1128 int iwl_mvm_rx_scan_offload_iter_complete_notif(struct iwl_mvm *mvm,
1129                                                 struct iwl_rx_cmd_buffer *rxb,
1130                                                 struct iwl_device_cmd *cmd);
1131 int iwl_mvm_config_sched_scan_profiles(struct iwl_mvm *mvm,
1132                                        struct cfg80211_sched_scan_request *req);
1133 int iwl_mvm_scan_offload_start(struct iwl_mvm *mvm,
1134                                struct ieee80211_vif *vif,
1135                                struct cfg80211_sched_scan_request *req,
1136                                struct ieee80211_scan_ies *ies);
1137 int iwl_mvm_scan_offload_stop(struct iwl_mvm *mvm, bool notify);
1138 int iwl_mvm_rx_scan_offload_results(struct iwl_mvm *mvm,
1139                                     struct iwl_rx_cmd_buffer *rxb,
1140                                     struct iwl_device_cmd *cmd);
1141
1142 /* Unified scan */
1143 int iwl_mvm_unified_scan_lmac(struct iwl_mvm *mvm,
1144                               struct ieee80211_vif *vif,
1145                               struct ieee80211_scan_request *req);
1146 int iwl_mvm_unified_sched_scan_lmac(struct iwl_mvm *mvm,
1147                                     struct ieee80211_vif *vif,
1148                                     struct cfg80211_sched_scan_request *req,
1149                                     struct ieee80211_scan_ies *ies);
1150
1151 /* UMAC scan */
1152 int iwl_mvm_config_scan(struct iwl_mvm *mvm);
1153 int iwl_mvm_scan_umac(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1154                       struct ieee80211_scan_request *req);
1155 int iwl_mvm_sched_scan_umac(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1156                             struct cfg80211_sched_scan_request *req,
1157                             struct ieee80211_scan_ies *ies);
1158 int iwl_mvm_rx_umac_scan_complete_notif(struct iwl_mvm *mvm,
1159                                         struct iwl_rx_cmd_buffer *rxb,
1160                                         struct iwl_device_cmd *cmd);
1161
1162 /* MVM debugfs */
1163 #ifdef CONFIG_IWLWIFI_DEBUGFS
1164 int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir);
1165 void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1166 void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1167 #else
1168 static inline int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm,
1169                                          struct dentry *dbgfs_dir)
1170 {
1171         return 0;
1172 }
1173 static inline void
1174 iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1175 {
1176 }
1177 static inline void
1178 iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1179 {
1180 }
1181 #endif /* CONFIG_IWLWIFI_DEBUGFS */
1182
1183 /* rate scaling */
1184 int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool init);
1185 void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm, u32 rate, bool agg);
1186 int rs_pretty_print_rate(char *buf, const u32 rate);
1187 void rs_update_last_rssi(struct iwl_mvm *mvm,
1188                          struct iwl_lq_sta *lq_sta,
1189                          struct ieee80211_rx_status *rx_status);
1190
1191 /* power management */
1192 int iwl_mvm_power_update_device(struct iwl_mvm *mvm);
1193 int iwl_mvm_power_update_mac(struct iwl_mvm *mvm);
1194 int iwl_mvm_power_update_ps(struct iwl_mvm *mvm);
1195 int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1196                                  char *buf, int bufsz);
1197
1198 void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1199 int iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm,
1200                                              struct iwl_rx_cmd_buffer *rxb,
1201                                              struct iwl_device_cmd *cmd);
1202
1203 #ifdef CONFIG_IWLWIFI_LEDS
1204 int iwl_mvm_leds_init(struct iwl_mvm *mvm);
1205 void iwl_mvm_leds_exit(struct iwl_mvm *mvm);
1206 #else
1207 static inline int iwl_mvm_leds_init(struct iwl_mvm *mvm)
1208 {
1209         return 0;
1210 }
1211 static inline void iwl_mvm_leds_exit(struct iwl_mvm *mvm)
1212 {
1213 }
1214 #endif
1215
1216 /* D3 (WoWLAN, NetDetect) */
1217 int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan);
1218 int iwl_mvm_resume(struct ieee80211_hw *hw);
1219 void iwl_mvm_set_wakeup(struct ieee80211_hw *hw, bool enabled);
1220 void iwl_mvm_set_rekey_data(struct ieee80211_hw *hw,
1221                             struct ieee80211_vif *vif,
1222                             struct cfg80211_gtk_rekey_data *data);
1223 void iwl_mvm_ipv6_addr_change(struct ieee80211_hw *hw,
1224                               struct ieee80211_vif *vif,
1225                               struct inet6_dev *idev);
1226 void iwl_mvm_set_default_unicast_key(struct ieee80211_hw *hw,
1227                                      struct ieee80211_vif *vif, int idx);
1228 extern const struct file_operations iwl_dbgfs_d3_test_ops;
1229 #ifdef CONFIG_PM_SLEEP
1230 void iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm,
1231                                  struct ieee80211_vif *vif);
1232 #else
1233 static inline void
1234 iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1235 {
1236 }
1237 #endif
1238 void iwl_mvm_set_wowlan_qos_seq(struct iwl_mvm_sta *mvm_ap_sta,
1239                                 struct iwl_wowlan_config_cmd *cmd);
1240 int iwl_mvm_send_proto_offload(struct iwl_mvm *mvm,
1241                                struct ieee80211_vif *vif,
1242                                bool disable_offloading,
1243                                u32 cmd_flags);
1244
1245 /* D0i3 */
1246 void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1247 void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1248 int iwl_mvm_ref_sync(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1249 bool iwl_mvm_ref_taken(struct iwl_mvm *mvm);
1250 void iwl_mvm_d0i3_enable_tx(struct iwl_mvm *mvm, __le16 *qos_seq);
1251 int iwl_mvm_enter_d0i3(struct iwl_op_mode *op_mode);
1252 int iwl_mvm_exit_d0i3(struct iwl_op_mode *op_mode);
1253 int _iwl_mvm_exit_d0i3(struct iwl_mvm *mvm);
1254
1255 /* BT Coex */
1256 int iwl_send_bt_init_conf(struct iwl_mvm *mvm);
1257 int iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm,
1258                              struct iwl_rx_cmd_buffer *rxb,
1259                              struct iwl_device_cmd *cmd);
1260 void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1261                            enum ieee80211_rssi_event rssi_event);
1262 void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm);
1263 u16 iwl_mvm_coex_agg_time_limit(struct iwl_mvm *mvm,
1264                                 struct ieee80211_sta *sta);
1265 bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm,
1266                                      struct ieee80211_sta *sta);
1267 bool iwl_mvm_bt_coex_is_ant_avail(struct iwl_mvm *mvm, u8 ant);
1268 bool iwl_mvm_bt_coex_is_shared_ant_avail(struct iwl_mvm *mvm);
1269 bool iwl_mvm_bt_coex_is_tpc_allowed(struct iwl_mvm *mvm,
1270                                     enum ieee80211_band band);
1271 u8 iwl_mvm_bt_coex_tx_prio(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr,
1272                            struct ieee80211_tx_info *info, u8 ac);
1273
1274 bool iwl_mvm_bt_coex_is_shared_ant_avail_old(struct iwl_mvm *mvm);
1275 void iwl_mvm_bt_coex_vif_change_old(struct iwl_mvm *mvm);
1276 int iwl_send_bt_init_conf_old(struct iwl_mvm *mvm);
1277 int iwl_mvm_rx_bt_coex_notif_old(struct iwl_mvm *mvm,
1278                                  struct iwl_rx_cmd_buffer *rxb,
1279                                  struct iwl_device_cmd *cmd);
1280 void iwl_mvm_bt_rssi_event_old(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1281                                enum ieee80211_rssi_event rssi_event);
1282 u16 iwl_mvm_coex_agg_time_limit_old(struct iwl_mvm *mvm,
1283                                     struct ieee80211_sta *sta);
1284 bool iwl_mvm_bt_coex_is_mimo_allowed_old(struct iwl_mvm *mvm,
1285                                          struct ieee80211_sta *sta);
1286 bool iwl_mvm_bt_coex_is_tpc_allowed_old(struct iwl_mvm *mvm,
1287                                         enum ieee80211_band band);
1288 int iwl_mvm_rx_ant_coupling_notif_old(struct iwl_mvm *mvm,
1289                                       struct iwl_rx_cmd_buffer *rxb,
1290                                       struct iwl_device_cmd *cmd);
1291
1292 enum iwl_bt_kill_msk {
1293         BT_KILL_MSK_DEFAULT,
1294         BT_KILL_MSK_NEVER,
1295         BT_KILL_MSK_ALWAYS,
1296         BT_KILL_MSK_MAX,
1297 };
1298
1299 extern const u8 iwl_bt_ack_kill_msk[BT_MAX_AG][BT_COEX_MAX_LUT];
1300 extern const u8 iwl_bt_cts_kill_msk[BT_MAX_AG][BT_COEX_MAX_LUT];
1301 extern const u32 iwl_bt_ctl_kill_msk[BT_KILL_MSK_MAX];
1302
1303 /* beacon filtering */
1304 #ifdef CONFIG_IWLWIFI_DEBUGFS
1305 void
1306 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1307                                          struct iwl_beacon_filter_cmd *cmd);
1308 #else
1309 static inline void
1310 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1311                                          struct iwl_beacon_filter_cmd *cmd)
1312 {}
1313 #endif
1314 int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm,
1315                                    struct ieee80211_vif *vif,
1316                                    bool enable, u32 flags);
1317 int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
1318                                  struct ieee80211_vif *vif,
1319                                  u32 flags);
1320 int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
1321                                   struct ieee80211_vif *vif,
1322                                   u32 flags);
1323 /* SMPS */
1324 void iwl_mvm_update_smps(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1325                                 enum iwl_mvm_smps_type_request req_type,
1326                                 enum ieee80211_smps_mode smps_request);
1327 bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm *mvm);
1328
1329 /* Low latency */
1330 int iwl_mvm_update_low_latency(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1331                                bool value);
1332 /* get SystemLowLatencyMode - only needed for beacon threshold? */
1333 bool iwl_mvm_low_latency(struct iwl_mvm *mvm);
1334 /* get VMACLowLatencyMode */
1335 static inline bool iwl_mvm_vif_low_latency(struct iwl_mvm_vif *mvmvif)
1336 {
1337         /*
1338          * should this consider associated/active/... state?
1339          *
1340          * Normally low-latency should only be active on interfaces
1341          * that are active, but at least with debugfs it can also be
1342          * enabled on interfaces that aren't active. However, when
1343          * interface aren't active then they aren't added into the
1344          * binding, so this has no real impact. For now, just return
1345          * the current desired low-latency state.
1346          */
1347
1348         return mvmvif->low_latency;
1349 }
1350
1351 /* hw scheduler queue config */
1352 void iwl_mvm_enable_txq(struct iwl_mvm *mvm, int queue, u16 ssn,
1353                         const struct iwl_trans_txq_scd_cfg *cfg,
1354                         unsigned int wdg_timeout);
1355 void iwl_mvm_disable_txq(struct iwl_mvm *mvm, int queue, u8 flags);
1356
1357 static inline
1358 void iwl_mvm_enable_ac_txq(struct iwl_mvm *mvm, int queue,
1359                            u8 fifo, unsigned int wdg_timeout)
1360 {
1361         struct iwl_trans_txq_scd_cfg cfg = {
1362                 .fifo = fifo,
1363                 .tid = IWL_MAX_TID_COUNT,
1364                 .aggregate = false,
1365                 .frame_limit = IWL_FRAME_LIMIT,
1366         };
1367
1368         iwl_mvm_enable_txq(mvm, queue, 0, &cfg, wdg_timeout);
1369 }
1370
1371 static inline void iwl_mvm_enable_agg_txq(struct iwl_mvm *mvm, int queue,
1372                                           int fifo, int sta_id, int tid,
1373                                           int frame_limit, u16 ssn,
1374                                           unsigned int wdg_timeout)
1375 {
1376         struct iwl_trans_txq_scd_cfg cfg = {
1377                 .fifo = fifo,
1378                 .sta_id = sta_id,
1379                 .tid = tid,
1380                 .frame_limit = frame_limit,
1381                 .aggregate = true,
1382         };
1383
1384         iwl_mvm_enable_txq(mvm, queue, ssn, &cfg, wdg_timeout);
1385 }
1386
1387 /* Thermal management and CT-kill */
1388 void iwl_mvm_tt_tx_backoff(struct iwl_mvm *mvm, u32 backoff);
1389 void iwl_mvm_tt_temp_changed(struct iwl_mvm *mvm, u32 temp);
1390 int iwl_mvm_temp_notif(struct iwl_mvm *mvm,
1391                        struct iwl_rx_cmd_buffer *rxb,
1392                        struct iwl_device_cmd *cmd);
1393 void iwl_mvm_tt_handler(struct iwl_mvm *mvm);
1394 void iwl_mvm_tt_initialize(struct iwl_mvm *mvm, u32 min_backoff);
1395 void iwl_mvm_tt_exit(struct iwl_mvm *mvm);
1396 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state);
1397 int iwl_mvm_get_temp(struct iwl_mvm *mvm);
1398
1399 /* Location Aware Regulatory */
1400 struct iwl_mcc_update_resp *
1401 iwl_mvm_update_mcc(struct iwl_mvm *mvm, const char *alpha2);
1402 int iwl_mvm_init_mcc(struct iwl_mvm *mvm);
1403 int iwl_mvm_rx_chub_update_mcc(struct iwl_mvm *mvm,
1404                                struct iwl_rx_cmd_buffer *rxb,
1405                                struct iwl_device_cmd *cmd);
1406 struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy,
1407                                                   const char *alpha2);
1408
1409 /* smart fifo */
1410 int iwl_mvm_sf_update(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1411                       bool added_vif);
1412
1413 /* TDLS */
1414
1415 /*
1416  * We use TID 4 (VI) as a FW-used-only TID when TDLS connections are present.
1417  * This TID is marked as used vs the AP and all connected TDLS peers.
1418  */
1419 #define IWL_MVM_TDLS_FW_TID 4
1420
1421 int iwl_mvm_tdls_sta_count(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1422 void iwl_mvm_teardown_tdls_peers(struct iwl_mvm *mvm);
1423 void iwl_mvm_recalc_tdls_state(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1424                                bool sta_added);
1425 void iwl_mvm_mac_mgd_protect_tdls_discover(struct ieee80211_hw *hw,
1426                                            struct ieee80211_vif *vif);
1427 int iwl_mvm_tdls_channel_switch(struct ieee80211_hw *hw,
1428                                 struct ieee80211_vif *vif,
1429                                 struct ieee80211_sta *sta, u8 oper_class,
1430                                 struct cfg80211_chan_def *chandef,
1431                                 struct sk_buff *tmpl_skb, u32 ch_sw_tm_ie);
1432 void iwl_mvm_tdls_recv_channel_switch(struct ieee80211_hw *hw,
1433                                       struct ieee80211_vif *vif,
1434                                       struct ieee80211_tdls_ch_sw_params *params);
1435 void iwl_mvm_tdls_cancel_channel_switch(struct ieee80211_hw *hw,
1436                                         struct ieee80211_vif *vif,
1437                                         struct ieee80211_sta *sta);
1438 int iwl_mvm_rx_tdls_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1439                           struct iwl_device_cmd *cmd);
1440 void iwl_mvm_tdls_ch_switch_work(struct work_struct *work);
1441
1442 struct ieee80211_vif *iwl_mvm_get_bss_vif(struct iwl_mvm *mvm);
1443
1444 void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error);
1445 void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm);
1446
1447 int iwl_mvm_start_fw_dbg_conf(struct iwl_mvm *mvm, u8 id);
1448 int iwl_mvm_fw_dbg_collect(struct iwl_mvm *mvm, enum iwl_fw_dbg_trigger trig,
1449                            const char *str, size_t len, unsigned int delay);
1450 int iwl_mvm_fw_dbg_collect_desc(struct iwl_mvm *mvm,
1451                                 struct iwl_mvm_dump_desc *desc,
1452                                 unsigned int delay);
1453 void iwl_mvm_free_fw_dump_desc(struct iwl_mvm *mvm);
1454 int iwl_mvm_fw_dbg_collect_trig(struct iwl_mvm *mvm,
1455                                 struct iwl_fw_dbg_trigger_tlv *trigger,
1456                                 const char *str, size_t len);
1457
1458 static inline bool
1459 iwl_fw_dbg_trigger_vif_match(struct iwl_fw_dbg_trigger_tlv *trig,
1460                              struct ieee80211_vif *vif)
1461 {
1462         u32 trig_vif = le32_to_cpu(trig->vif_type);
1463
1464         return trig_vif == IWL_FW_DBG_CONF_VIF_ANY || vif->type == trig_vif;
1465 }
1466
1467 static inline bool
1468 iwl_fw_dbg_trigger_stop_conf_match(struct iwl_mvm *mvm,
1469                                    struct iwl_fw_dbg_trigger_tlv *trig)
1470 {
1471         return ((trig->mode & IWL_FW_DBG_TRIGGER_STOP) &&
1472                 (mvm->fw_dbg_conf == FW_DBG_INVALID ||
1473                 (BIT(mvm->fw_dbg_conf) & le32_to_cpu(trig->stop_conf_ids))));
1474 }
1475
1476 static inline bool
1477 iwl_fw_dbg_trigger_check_stop(struct iwl_mvm *mvm,
1478                               struct ieee80211_vif *vif,
1479                               struct iwl_fw_dbg_trigger_tlv *trig)
1480 {
1481         if (vif && !iwl_fw_dbg_trigger_vif_match(trig, vif))
1482                 return false;
1483
1484         return iwl_fw_dbg_trigger_stop_conf_match(mvm, trig);
1485 }
1486
1487 static inline void
1488 iwl_fw_dbg_trigger_simple_stop(struct iwl_mvm *mvm,
1489                                struct ieee80211_vif *vif,
1490                                enum iwl_fw_dbg_trigger trig,
1491                                const char *str, size_t len)
1492 {
1493         struct iwl_fw_dbg_trigger_tlv *trigger;
1494
1495         if (!iwl_fw_dbg_trigger_enabled(mvm->fw, trig))
1496                 return;
1497
1498         trigger = iwl_fw_dbg_get_trigger(mvm->fw, trig);
1499         if (!iwl_fw_dbg_trigger_check_stop(mvm, vif, trigger))
1500                 return;
1501
1502         iwl_mvm_fw_dbg_collect_trig(mvm, trigger, str, len);
1503 }
1504
1505 #endif /* __IWL_MVM_H__ */