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