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

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  10  * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
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  66  *****************************************************************************/
  67
  68 #ifndef __IWL_MVM_H__
  69 #define __IWL_MVM_H__
  70
  71 #include <linux/list.h>
  72 #include <linux/spinlock.h>
  73 #include <linux/leds.h>
  74 #include <linux/in6.h>
  75
  76 #ifdef CONFIG_THERMAL
  77 #include <linux/thermal.h>
  78 #endif
  79
  80 #include "iwl-op-mode.h"
  81 #include "iwl-trans.h"
  82 #include "fw/notif-wait.h"
  83 #include "iwl-eeprom-parse.h"
  84 #include "fw/file.h"
  85 #include "iwl-config.h"
  86 #include "sta.h"
  87 #include "fw-api.h"
  88 #include "constants.h"
  89 #include "tof.h"
  90 #include "fw/runtime.h"
  91 #include "fw/dbg.h"
  92
  93 #define IWL_MVM_MAX_ADDRESSES           5
  94 /* RSSI offset for WkP */
  95 #define IWL_RSSI_OFFSET 50
  96 #define IWL_MVM_MISSED_BEACONS_THRESHOLD 8
  97 /* A TimeUnit is 1024 microsecond */
  98 #define MSEC_TO_TU(_msec)       (_msec*1000/1024)
  99
 100 /* For GO, this value represents the number of TUs before CSA "beacon
 101  * 0" TBTT when the CSA time-event needs to be scheduled to start.  It
 102  * must be big enough to ensure that we switch in time.
 103  */
 104 #define IWL_MVM_CHANNEL_SWITCH_TIME_GO          40
 105
 106 /* For client, this value represents the number of TUs before CSA
 107  * "beacon 1" TBTT, instead.  This is because we don't know when the
 108  * GO/AP will be in the new channel, so we switch early enough.
 109  */
 110 #define IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT      10
 111
 112 /*
 113  * This value (in TUs) is used to fine tune the CSA NoA end time which should
 114  * be just before "beacon 0" TBTT.
 115  */
 116 #define IWL_MVM_CHANNEL_SWITCH_MARGIN 4
 117
 118 /*
 119  * Number of beacons to transmit on a new channel until we unblock tx to
 120  * the stations, even if we didn't identify them on a new channel
 121  */
 122 #define IWL_MVM_CS_UNBLOCK_TX_TIMEOUT 3
 123
 124 /* offchannel queue towards mac80211 */
 125 #define IWL_MVM_OFFCHANNEL_QUEUE 0
 126
 127 extern const struct ieee80211_ops iwl_mvm_hw_ops;
 128
 129 /**
 130  * struct iwl_mvm_mod_params - module parameters for iwlmvm
 131  * @init_dbg: if true, then the NIC won't be stopped if the INIT fw asserted.
 132  *      We will register to mac80211 to have testmode working. The NIC must not
 133  *      be up'ed after the INIT fw asserted. This is useful to be able to use
 134  *      proprietary tools over testmode to debug the INIT fw.
 135  * @tfd_q_hang_detect: enabled the detection of hung transmit queues
 136  * @power_scheme: one of enum iwl_power_scheme
 137  */
 138 struct iwl_mvm_mod_params {
 139         bool init_dbg;
 140         bool tfd_q_hang_detect;
 141         int power_scheme;
 142 };
 143 extern struct iwl_mvm_mod_params iwlmvm_mod_params;
 144
 145 struct iwl_mvm_phy_ctxt {
 146         u16 id;
 147         u16 color;
 148         u32 ref;
 149
 150         /*
 151          * TODO: This should probably be removed. Currently here only for rate
 152          * scaling algorithm
 153          */
 154         struct ieee80211_channel *channel;
 155 };
 156
 157 struct iwl_mvm_time_event_data {
 158         struct ieee80211_vif *vif;
 159         struct list_head list;
 160         unsigned long end_jiffies;
 161         u32 duration;
 162         bool running;
 163         u32 uid;
 164
 165         /*
 166          * The access to the 'id' field must be done when the
 167          * mvm->time_event_lock is held, as it value is used to indicate
 168          * if the te is in the time event list or not (when id == TE_MAX)
 169          */
 170         u32 id;
 171 };
 172
 173  /* Power management */
 174
 175 /**
 176  * enum iwl_power_scheme
 177  * @IWL_POWER_LEVEL_CAM - Continuously Active Mode
 178  * @IWL_POWER_LEVEL_BPS - Balanced Power Save (default)
 179  * @IWL_POWER_LEVEL_LP  - Low Power
 180  */
 181 enum iwl_power_scheme {
 182         IWL_POWER_SCHEME_CAM = 1,
 183         IWL_POWER_SCHEME_BPS,
 184         IWL_POWER_SCHEME_LP
 185 };
 186
 187 #define IWL_CONN_MAX_LISTEN_INTERVAL    10
 188 #define IWL_UAPSD_MAX_SP                IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL
 189
 190 #ifdef CONFIG_IWLWIFI_DEBUGFS
 191 enum iwl_dbgfs_pm_mask {
 192         MVM_DEBUGFS_PM_KEEP_ALIVE = BIT(0),
 193         MVM_DEBUGFS_PM_SKIP_OVER_DTIM = BIT(1),
 194         MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS = BIT(2),
 195         MVM_DEBUGFS_PM_RX_DATA_TIMEOUT = BIT(3),
 196         MVM_DEBUGFS_PM_TX_DATA_TIMEOUT = BIT(4),
 197         MVM_DEBUGFS_PM_LPRX_ENA = BIT(6),
 198         MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD = BIT(7),
 199         MVM_DEBUGFS_PM_SNOOZE_ENABLE = BIT(8),
 200         MVM_DEBUGFS_PM_UAPSD_MISBEHAVING = BIT(9),
 201         MVM_DEBUGFS_PM_USE_PS_POLL = BIT(10),
 202 };
 203
 204 struct iwl_dbgfs_pm {
 205         u16 keep_alive_seconds;
 206         u32 rx_data_timeout;
 207         u32 tx_data_timeout;
 208         bool skip_over_dtim;
 209         u8 skip_dtim_periods;
 210         bool lprx_ena;
 211         u32 lprx_rssi_threshold;
 212         bool snooze_ena;
 213         bool uapsd_misbehaving;
 214         bool use_ps_poll;
 215         int mask;
 216 };
 217
 218 /* beacon filtering */
 219
 220 enum iwl_dbgfs_bf_mask {
 221         MVM_DEBUGFS_BF_ENERGY_DELTA = BIT(0),
 222         MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA = BIT(1),
 223         MVM_DEBUGFS_BF_ROAMING_STATE = BIT(2),
 224         MVM_DEBUGFS_BF_TEMP_THRESHOLD = BIT(3),
 225         MVM_DEBUGFS_BF_TEMP_FAST_FILTER = BIT(4),
 226         MVM_DEBUGFS_BF_TEMP_SLOW_FILTER = BIT(5),
 227         MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER = BIT(6),
 228         MVM_DEBUGFS_BF_DEBUG_FLAG = BIT(7),
 229         MVM_DEBUGFS_BF_ESCAPE_TIMER = BIT(8),
 230         MVM_DEBUGFS_BA_ESCAPE_TIMER = BIT(9),
 231         MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT = BIT(10),
 232 };
 233
 234 struct iwl_dbgfs_bf {
 235         u32 bf_energy_delta;
 236         u32 bf_roaming_energy_delta;
 237         u32 bf_roaming_state;
 238         u32 bf_temp_threshold;
 239         u32 bf_temp_fast_filter;
 240         u32 bf_temp_slow_filter;
 241         u32 bf_enable_beacon_filter;
 242         u32 bf_debug_flag;
 243         u32 bf_escape_timer;
 244         u32 ba_escape_timer;
 245         u32 ba_enable_beacon_abort;
 246         int mask;
 247 };
 248 #endif
 249
 250 enum iwl_mvm_smps_type_request {
 251         IWL_MVM_SMPS_REQ_BT_COEX,
 252         IWL_MVM_SMPS_REQ_TT,
 253         IWL_MVM_SMPS_REQ_PROT,
 254         NUM_IWL_MVM_SMPS_REQ,
 255 };
 256
 257 enum iwl_mvm_ref_type {
 258         IWL_MVM_REF_UCODE_DOWN,
 259         IWL_MVM_REF_SCAN,
 260         IWL_MVM_REF_ROC,
 261         IWL_MVM_REF_ROC_AUX,
 262         IWL_MVM_REF_P2P_CLIENT,
 263         IWL_MVM_REF_AP_IBSS,
 264         IWL_MVM_REF_USER,
 265         IWL_MVM_REF_TX,
 266         IWL_MVM_REF_TX_AGG,
 267         IWL_MVM_REF_ADD_IF,
 268         IWL_MVM_REF_START_AP,
 269         IWL_MVM_REF_BSS_CHANGED,
 270         IWL_MVM_REF_PREPARE_TX,
 271         IWL_MVM_REF_PROTECT_TDLS,
 272         IWL_MVM_REF_CHECK_CTKILL,
 273         IWL_MVM_REF_PRPH_READ,
 274         IWL_MVM_REF_PRPH_WRITE,
 275         IWL_MVM_REF_NMI,
 276         IWL_MVM_REF_TM_CMD,
 277         IWL_MVM_REF_EXIT_WORK,
 278         IWL_MVM_REF_PROTECT_CSA,
 279         IWL_MVM_REF_FW_DBG_COLLECT,
 280         IWL_MVM_REF_INIT_UCODE,
 281         IWL_MVM_REF_SENDING_CMD,
 282         IWL_MVM_REF_RX,
 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         int ave_beacon_signal;
 312         int last_cqm_event;
 313         int bt_coex_min_thold;
 314         int bt_coex_max_thold;
 315         int 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  * @ap_assoc_sta_count: count of stations associated to us - valid only
 327  *      if VIF type is AP
 328  * @uploaded: indicates the MAC context has been added to the device
 329  * @ap_ibss_active: indicates that AP/IBSS is configured and that the interface
 330  *      should get quota etc.
 331  * @pm_enabled - Indicate if MAC power management is allowed
 332  * @monitor_active: indicates that monitor context is configured, and that the
 333  *      interface should get quota etc.
 334  * @low_latency_traffic: indicates low latency traffic was detected
 335  * @low_latency_dbgfs: low latency mode set from debugfs
 336  * @low_latency_vcmd: low latency mode set from vendor command
 337  * @ps_disabled: indicates that this interface requires PS to be disabled
 338  * @queue_params: QoS params for this MAC
 339  * @bcast_sta: station used for broadcast packets. Used by the following
 340  *  vifs: P2P_DEVICE, GO and AP.
 341  * @beacon_skb: the skb used to hold the AP/GO beacon template
 342  * @smps_requests: the SMPS requests of different parts of the driver,
 343  *      combined on update to yield the overall request to mac80211.
 344  * @beacon_stats: beacon statistics, containing the # of received beacons,
 345  *      # of received beacons accumulated over FW restart, and the current
 346  *      average signal of beacons retrieved from the firmware
 347  * @csa_failed: CSA failed to schedule time event, report an error later
 348  * @features: hw features active for this vif
 349  */
 350 struct iwl_mvm_vif {
 351         struct iwl_mvm *mvm;
 352         u16 id;
 353         u16 color;
 354         u8 ap_sta_id;
 355
 356         u8 bssid[ETH_ALEN];
 357         bool associated;
 358         u8 ap_assoc_sta_count;
 359
 360         u16 cab_queue;
 361
 362         bool uploaded;
 363         bool ap_ibss_active;
 364         bool pm_enabled;
 365         bool monitor_active;
 366         bool low_latency_traffic, low_latency_dbgfs, low_latency_vcmd;
 367         bool ps_disabled;
 368         struct iwl_mvm_vif_bf_data bf_data;
 369
 370         struct {
 371                 u32 num_beacons, accu_num_beacons;
 372                 u8 avg_signal;
 373         } beacon_stats;
 374
 375         u32 ap_beacon_time;
 376
 377         enum iwl_tsf_id tsf_id;
 378
 379         /*
 380          * QoS data from mac80211, need to store this here
 381          * as mac80211 has a separate callback but we need
 382          * to have the data for the MAC context
 383          */
 384         struct ieee80211_tx_queue_params queue_params[IEEE80211_NUM_ACS];
 385         struct iwl_mvm_time_event_data time_event_data;
 386         struct iwl_mvm_time_event_data hs_time_event_data;
 387
 388         struct iwl_mvm_int_sta bcast_sta;
 389         struct iwl_mvm_int_sta mcast_sta;
 390
 391         /*
 392          * Assigned while mac80211 has the interface in a channel context,
 393          * or, for P2P Device, while it exists.
 394          */
 395         struct iwl_mvm_phy_ctxt *phy_ctxt;
 396
 397 #ifdef CONFIG_PM
 398         /* WoWLAN GTK rekey data */
 399         struct {
 400                 u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN];
 401                 __le64 replay_ctr;
 402                 bool valid;
 403         } rekey_data;
 404
 405         int tx_key_idx;
 406
 407         bool seqno_valid;
 408         u16 seqno;
 409 #endif
 410
 411 #if IS_ENABLED(CONFIG_IPV6)
 412         /* IPv6 addresses for WoWLAN */
 413         struct in6_addr target_ipv6_addrs[IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_MAX];
 414         unsigned long tentative_addrs[BITS_TO_LONGS(IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_MAX)];
 415         int num_target_ipv6_addrs;
 416 #endif
 417
 418 #ifdef CONFIG_IWLWIFI_DEBUGFS
 419         struct dentry *dbgfs_dir;
 420         struct dentry *dbgfs_slink;
 421         struct iwl_dbgfs_pm dbgfs_pm;
 422         struct iwl_dbgfs_bf dbgfs_bf;
 423         struct iwl_mac_power_cmd mac_pwr_cmd;
 424         int dbgfs_quota_min;
 425 #endif
 426
 427         enum ieee80211_smps_mode smps_requests[NUM_IWL_MVM_SMPS_REQ];
 428
 429         /* FW identified misbehaving AP */
 430         u8 uapsd_misbehaving_bssid[ETH_ALEN];
 431
 432         /* Indicates that CSA countdown may be started */
 433         bool csa_countdown;
 434         bool csa_failed;
 435         u16 csa_target_freq;
 436
 437         /* Indicates that we are waiting for a beacon on a new channel */
 438         bool csa_bcn_pending;
 439
 440         /* TCP Checksum Offload */
 441         netdev_features_t features;
 442
 443         /*
 444          * link quality measurement - used to check whether this interface
 445          * is in the middle of a link quality measurement
 446          */
 447         bool lqm_active;
 448 };
 449
 450 static inline struct iwl_mvm_vif *
 451 iwl_mvm_vif_from_mac80211(struct ieee80211_vif *vif)
 452 {
 453         if (!vif)
 454                 return NULL;
 455         return (void *)vif->drv_priv;
 456 }
 457
 458 extern const u8 tid_to_mac80211_ac[];
 459
 460 #define IWL_MVM_SCAN_STOPPING_SHIFT     8
 461
 462 enum iwl_scan_status {
 463         IWL_MVM_SCAN_REGULAR            = BIT(0),
 464         IWL_MVM_SCAN_SCHED              = BIT(1),
 465         IWL_MVM_SCAN_NETDETECT          = BIT(2),
 466
 467         IWL_MVM_SCAN_STOPPING_REGULAR   = BIT(8),
 468         IWL_MVM_SCAN_STOPPING_SCHED     = BIT(9),
 469         IWL_MVM_SCAN_STOPPING_NETDETECT = BIT(10),
 470
 471         IWL_MVM_SCAN_REGULAR_MASK       = IWL_MVM_SCAN_REGULAR |
 472                                           IWL_MVM_SCAN_STOPPING_REGULAR,
 473         IWL_MVM_SCAN_SCHED_MASK         = IWL_MVM_SCAN_SCHED |
 474                                           IWL_MVM_SCAN_STOPPING_SCHED,
 475         IWL_MVM_SCAN_NETDETECT_MASK     = IWL_MVM_SCAN_NETDETECT |
 476                                           IWL_MVM_SCAN_STOPPING_NETDETECT,
 477
 478         IWL_MVM_SCAN_STOPPING_MASK      = 0xff << IWL_MVM_SCAN_STOPPING_SHIFT,
 479         IWL_MVM_SCAN_MASK               = 0xff,
 480 };
 481
 482 enum iwl_mvm_scan_type {
 483         IWL_SCAN_TYPE_NOT_SET,
 484         IWL_SCAN_TYPE_UNASSOC,
 485         IWL_SCAN_TYPE_WILD,
 486         IWL_SCAN_TYPE_MILD,
 487         IWL_SCAN_TYPE_FRAGMENTED,
 488 };
 489
 490 enum iwl_mvm_sched_scan_pass_all_states {
 491         SCHED_SCAN_PASS_ALL_DISABLED,
 492         SCHED_SCAN_PASS_ALL_ENABLED,
 493         SCHED_SCAN_PASS_ALL_FOUND,
 494 };
 495
 496 /**
 497  * struct iwl_nvm_section - describes an NVM section in memory.
 498  *
 499  * This struct holds an NVM section read from the NIC using NVM_ACCESS_CMD,
 500  * and saved for later use by the driver. Not all NVM sections are saved
 501  * this way, only the needed ones.
 502  */
 503 struct iwl_nvm_section {
 504         u16 length;
 505         const u8 *data;
 506 };
 507
 508 /**
 509  * struct iwl_mvm_tt_mgnt - Thermal Throttling Management structure
 510  * @ct_kill_exit: worker to exit thermal kill
 511  * @dynamic_smps: Is thermal throttling enabled dynamic_smps?
 512  * @tx_backoff: The current thremal throttling tx backoff in uSec.
 513  * @min_backoff: The minimal tx backoff due to power restrictions
 514  * @params: Parameters to configure the thermal throttling algorithm.
 515  * @throttle: Is thermal throttling is active?
 516  */
 517 struct iwl_mvm_tt_mgmt {
 518         struct delayed_work ct_kill_exit;
 519         bool dynamic_smps;
 520         u32 tx_backoff;
 521         u32 min_backoff;
 522         struct iwl_tt_params params;
 523         bool throttle;
 524 };
 525
 526 #ifdef CONFIG_THERMAL
 527 /**
 528  *struct iwl_mvm_thermal_device - thermal zone related data
 529  * @temp_trips: temperature thresholds for report
 530  * @fw_trips_index: keep indexes to original array - temp_trips
 531  * @tzone: thermal zone device data
 532 */
 533 struct iwl_mvm_thermal_device {
 534         s16 temp_trips[IWL_MAX_DTS_TRIPS];
 535         u8 fw_trips_index[IWL_MAX_DTS_TRIPS];
 536         struct thermal_zone_device *tzone;
 537 };
 538
 539 /*
 540  * struct iwl_mvm_cooling_device
 541  * @cur_state: current state
 542  * @cdev: struct thermal cooling device
 543  */
 544 struct iwl_mvm_cooling_device {
 545         u32 cur_state;
 546         struct thermal_cooling_device *cdev;
 547 };
 548 #endif
 549
 550 #define IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES 8
 551
 552 struct iwl_mvm_frame_stats {
 553         u32 legacy_frames;
 554         u32 ht_frames;
 555         u32 vht_frames;
 556         u32 bw_20_frames;
 557         u32 bw_40_frames;
 558         u32 bw_80_frames;
 559         u32 bw_160_frames;
 560         u32 sgi_frames;
 561         u32 ngi_frames;
 562         u32 siso_frames;
 563         u32 mimo2_frames;
 564         u32 agg_frames;
 565         u32 ampdu_count;
 566         u32 success_frames;
 567         u32 fail_frames;
 568         u32 last_rates[IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES];
 569         int last_frame_idx;
 570 };
 571
 572 enum {
 573         D0I3_DEFER_WAKEUP,
 574         D0I3_PENDING_WAKEUP,
 575 };
 576
 577 #define IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE 0xff
 578 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MIN -100
 579 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MAX 200
 580
 581 enum iwl_mvm_tdls_cs_state {
 582         IWL_MVM_TDLS_SW_IDLE = 0,
 583         IWL_MVM_TDLS_SW_REQ_SENT,
 584         IWL_MVM_TDLS_SW_RESP_RCVD,
 585         IWL_MVM_TDLS_SW_REQ_RCVD,
 586         IWL_MVM_TDLS_SW_ACTIVE,
 587 };
 588
 589 /**
 590  * struct iwl_mvm_reorder_buffer - per ra/tid/queue reorder buffer
 591  * @head_sn: reorder window head sn
 592  * @num_stored: number of mpdus stored in the buffer
 593  * @buf_size: the reorder buffer size as set by the last addba request
 594  * @sta_id: sta id of this reorder buffer
 595  * @queue: queue of this reorder buffer
 596  * @last_amsdu: track last ASMDU SN for duplication detection
 597  * @last_sub_index: track ASMDU sub frame index for duplication detection
 598  * @entries: list of skbs stored
 599  * @reorder_time: time the packet was stored in the reorder buffer
 600  * @reorder_timer: timer for frames are in the reorder buffer. For AMSDU
 601  *      it is the time of last received sub-frame
 602  * @removed: prevent timer re-arming
 603  * @valid: reordering is valid for this queue
 604  * @lock: protect reorder buffer internal state
 605  * @mvm: mvm pointer, needed for frame timer context
 606  */
 607 struct iwl_mvm_reorder_buffer {
 608         u16 head_sn;
 609         u16 num_stored;
 610         u8 buf_size;
 611         u8 sta_id;
 612         int queue;
 613         u16 last_amsdu;
 614         u8 last_sub_index;
 615         struct sk_buff_head entries[IEEE80211_MAX_AMPDU_BUF];
 616         unsigned long reorder_time[IEEE80211_MAX_AMPDU_BUF];
 617         struct timer_list reorder_timer;
 618         bool removed;
 619         bool valid;
 620         spinlock_t lock;
 621         struct iwl_mvm *mvm;
 622 } ____cacheline_aligned_in_smp;
 623
 624 /**
 625  * struct iwl_mvm_baid_data - BA session data
 626  * @sta_id: station id
 627  * @tid: tid of the session
 628  * @baid baid of the session
 629  * @timeout: the timeout set in the addba request
 630  * @last_rx: last rx jiffies, updated only if timeout passed from last update
 631  * @session_timer: timer to check if BA session expired, runs at 2 * timeout
 632  * @mvm: mvm pointer, needed for timer context
 633  * @reorder_buf: reorder buffer, allocated per queue
 634  */
 635 struct iwl_mvm_baid_data {
 636         struct rcu_head rcu_head;
 637         u8 sta_id;
 638         u8 tid;
 639         u8 baid;
 640         u16 timeout;
 641         unsigned long last_rx;
 642         struct timer_list session_timer;
 643         struct iwl_mvm *mvm;
 644         struct iwl_mvm_reorder_buffer reorder_buf[];
 645 };
 646
 647 /*
 648  * enum iwl_mvm_queue_status - queue status
 649  * @IWL_MVM_QUEUE_FREE: the queue is not allocated nor reserved
 650  *      Basically, this means that this queue can be used for any purpose
 651  * @IWL_MVM_QUEUE_RESERVED: queue is reserved but not yet in use
 652  *      This is the state of a queue that has been dedicated for some RATID
 653  *      (agg'd or not), but that hasn't yet gone through the actual enablement
 654  *      of iwl_mvm_enable_txq(), and therefore no traffic can go through it yet.
 655  *      Note that in this state there is no requirement to already know what TID
 656  *      should be used with this queue, it is just marked as a queue that will
 657  *      be used, and shouldn't be allocated to anyone else.
 658  * @IWL_MVM_QUEUE_READY: queue is ready to be used
 659  *      This is the state of a queue that has been fully configured (including
 660  *      SCD pointers, etc), has a specific RA/TID assigned to it, and can be
 661  *      used to send traffic.
 662  * @IWL_MVM_QUEUE_SHARED: queue is shared, or in a process of becoming shared
 663  *      This is a state in which a single queue serves more than one TID, all of
 664  *      which are not aggregated. Note that the queue is only associated to one
 665  *      RA.
 666  * @IWL_MVM_QUEUE_INACTIVE: queue is allocated but no traffic on it
 667  *      This is a state of a queue that has had traffic on it, but during the
 668  *      last %IWL_MVM_DQA_QUEUE_TIMEOUT time period there has been no traffic on
 669  *      it. In this state, when a new queue is needed to be allocated but no
 670  *      such free queue exists, an inactive queue might be freed and given to
 671  *      the new RA/TID.
 672  * @IWL_MVM_QUEUE_RECONFIGURING: queue is being reconfigured
 673  *      This is the state of a queue that has had traffic pass through it, but
 674  *      needs to be reconfigured for some reason, e.g. the queue needs to
 675  *      become unshared and aggregations re-enabled on.
 676  */
 677 enum iwl_mvm_queue_status {
 678         IWL_MVM_QUEUE_FREE,
 679         IWL_MVM_QUEUE_RESERVED,
 680         IWL_MVM_QUEUE_READY,
 681         IWL_MVM_QUEUE_SHARED,
 682         IWL_MVM_QUEUE_INACTIVE,
 683         IWL_MVM_QUEUE_RECONFIGURING,
 684 };
 685
 686 #define IWL_MVM_DQA_QUEUE_TIMEOUT       (5 * HZ)
 687 #define IWL_MVM_INVALID_QUEUE           0xFFFF
 688
 689 #define IWL_MVM_NUM_CIPHERS             10
 690
 691 #ifdef CONFIG_ACPI
 692 #define IWL_MVM_SAR_TABLE_SIZE          10
 693 #define IWL_MVM_SAR_PROFILE_NUM         4
 694 #define IWL_MVM_GEO_TABLE_SIZE          6
 695
 696 struct iwl_mvm_sar_profile {
 697         bool enabled;
 698         u8 table[IWL_MVM_SAR_TABLE_SIZE];
 699 };
 700
 701 struct iwl_mvm_geo_profile {
 702         u8 values[IWL_MVM_GEO_TABLE_SIZE];
 703 };
 704 #endif
 705
 706 struct iwl_mvm {
 707         /* for logger access */
 708         struct device *dev;
 709
 710         struct iwl_trans *trans;
 711         const struct iwl_fw *fw;
 712         const struct iwl_cfg *cfg;
 713         struct iwl_phy_db *phy_db;
 714         struct ieee80211_hw *hw;
 715
 716         /* for protecting access to iwl_mvm */
 717         struct mutex mutex;
 718         struct list_head async_handlers_list;
 719         spinlock_t async_handlers_lock;
 720         struct work_struct async_handlers_wk;
 721
 722         struct work_struct roc_done_wk;
 723
 724         unsigned long init_status;
 725
 726         unsigned long status;
 727
 728         u32 queue_sync_cookie;
 729         atomic_t queue_sync_counter;
 730         /*
 731          * for beacon filtering -
 732          * currently only one interface can be supported
 733          */
 734         struct iwl_mvm_vif *bf_allowed_vif;
 735
 736         bool hw_registered;
 737         bool calibrating;
 738         u32 error_event_table[2];
 739         u32 log_event_table;
 740         u32 umac_error_event_table;
 741         bool support_umac_log;
 742         struct iwl_sf_region sf_space;
 743
 744         u32 ampdu_ref;
 745         bool ampdu_toggle;
 746
 747         struct iwl_notif_wait_data notif_wait;
 748
 749         union {
 750                 struct mvm_statistics_rx_v3 rx_stats_v3;
 751                 struct mvm_statistics_rx rx_stats;
 752         };
 753
 754         struct {
 755                 u64 rx_time;
 756                 u64 tx_time;
 757                 u64 on_time_rf;
 758                 u64 on_time_scan;
 759         } radio_stats, accu_radio_stats;
 760
 761         u16 hw_queue_to_mac80211[IWL_MAX_TVQM_QUEUES];
 762
 763         struct {
 764                 u8 hw_queue_refcount;
 765                 u8 ra_sta_id; /* The RA this queue is mapped to, if exists */
 766                 bool reserved; /* Is this the TXQ reserved for a STA */
 767                 u8 mac80211_ac; /* The mac80211 AC this queue is mapped to */
 768                 u8 txq_tid; /* The TID "owner" of this queue*/
 769                 u16 tid_bitmap; /* Bitmap of the TIDs mapped to this queue */
 770                 /* Timestamp for inactivation per TID of this queue */
 771                 unsigned long last_frame_time[IWL_MAX_TID_COUNT + 1];
 772                 enum iwl_mvm_queue_status status;
 773         } queue_info[IWL_MAX_HW_QUEUES];
 774         spinlock_t queue_info_lock; /* For syncing queue mgmt operations */
 775         struct work_struct add_stream_wk; /* To add streams to queues */
 776
 777         atomic_t mac80211_queue_stop_count[IEEE80211_MAX_QUEUES];
 778
 779         const char *nvm_file_name;
 780         struct iwl_nvm_data *nvm_data;
 781         /* NVM sections */
 782         struct iwl_nvm_section nvm_sections[NVM_MAX_NUM_SECTIONS];
 783
 784         struct iwl_fw_runtime fwrt;
 785
 786         /* EEPROM MAC addresses */
 787         struct mac_address addresses[IWL_MVM_MAX_ADDRESSES];
 788
 789         /* data related to data path */
 790         struct iwl_rx_phy_info last_phy_info;
 791         struct ieee80211_sta __rcu *fw_id_to_mac_id[IWL_MVM_STATION_COUNT];
 792         unsigned long sta_deferred_frames[BITS_TO_LONGS(IWL_MVM_STATION_COUNT)];
 793         u8 rx_ba_sessions;
 794
 795         /* configured by mac80211 */
 796         u32 rts_threshold;
 797
 798         /* Scan status, cmd (pre-allocated) and auxiliary station */
 799         unsigned int scan_status;
 800         void *scan_cmd;
 801         struct iwl_mcast_filter_cmd *mcast_filter_cmd;
 802         enum iwl_mvm_scan_type scan_type;
 803         enum iwl_mvm_sched_scan_pass_all_states sched_scan_pass_all;
 804         struct delayed_work scan_timeout_dwork;
 805
 806         /* max number of simultaneous scans the FW supports */
 807         unsigned int max_scans;
 808
 809         /* UMAC scan tracking */
 810         u32 scan_uid_status[IWL_MVM_MAX_UMAC_SCANS];
 811
 812         /* start time of last scan in TSF of the mac that requested the scan */
 813         u64 scan_start;
 814
 815         /* the vif that requested the current scan */
 816         struct iwl_mvm_vif *scan_vif;
 817
 818         /* rx chain antennas set through debugfs for the scan command */
 819         u8 scan_rx_ant;
 820
 821 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
 822         /* broadcast filters to configure for each associated station */
 823         const struct iwl_fw_bcast_filter *bcast_filters;
 824 #ifdef CONFIG_IWLWIFI_DEBUGFS
 825         struct {
 826                 bool override;
 827                 struct iwl_bcast_filter_cmd cmd;
 828         } dbgfs_bcast_filtering;
 829 #endif
 830 #endif
 831
 832         /* Internal station */
 833         struct iwl_mvm_int_sta aux_sta;
 834         struct iwl_mvm_int_sta snif_sta;
 835
 836         bool last_ebs_successful;
 837
 838         u8 scan_last_antenna_idx; /* to toggle TX between antennas */
 839         u8 mgmt_last_antenna_idx;
 840
 841         /* last smart fifo state that was successfully sent to firmware */
 842         enum iwl_sf_state sf_state;
 843
 844 #ifdef CONFIG_IWLWIFI_DEBUGFS
 845         struct dentry *debugfs_dir;
 846         u32 dbgfs_sram_offset, dbgfs_sram_len;
 847         u32 dbgfs_prph_reg_addr;
 848         bool disable_power_off;
 849         bool disable_power_off_d3;
 850
 851         bool scan_iter_notif_enabled;
 852
 853         struct debugfs_blob_wrapper nvm_hw_blob;
 854         struct debugfs_blob_wrapper nvm_sw_blob;
 855         struct debugfs_blob_wrapper nvm_calib_blob;
 856         struct debugfs_blob_wrapper nvm_prod_blob;
 857         struct debugfs_blob_wrapper nvm_phy_sku_blob;
 858
 859         struct iwl_mvm_frame_stats drv_rx_stats;
 860         spinlock_t drv_stats_lock;
 861         u16 dbgfs_rx_phyinfo;
 862 #endif
 863
 864         struct iwl_mvm_phy_ctxt phy_ctxts[NUM_PHY_CTX];
 865
 866         struct list_head time_event_list;
 867         spinlock_t time_event_lock;
 868
 869         /*
 870          * A bitmap indicating the index of the key in use. The firmware
 871          * can hold 16 keys at most. Reflect this fact.
 872          */
 873         unsigned long fw_key_table[BITS_TO_LONGS(STA_KEY_MAX_NUM)];
 874         u8 fw_key_deleted[STA_KEY_MAX_NUM];
 875
 876         /* references taken by the driver and spinlock protecting them */
 877         spinlock_t refs_lock;
 878         u8 refs[IWL_MVM_REF_COUNT];
 879
 880         u8 vif_count;
 881
 882         /* -1 for always, 0 for never, >0 for that many times */
 883         s8 fw_restart;
 884
 885 #ifdef CONFIG_IWLWIFI_LEDS
 886         struct led_classdev led;
 887 #endif
 888
 889         struct ieee80211_vif *p2p_device_vif;
 890
 891 #ifdef CONFIG_PM
 892         struct wiphy_wowlan_support wowlan;
 893         int gtk_ivlen, gtk_icvlen, ptk_ivlen, ptk_icvlen;
 894
 895         /* sched scan settings for net detect */
 896         struct ieee80211_scan_ies nd_ies;
 897         struct cfg80211_match_set *nd_match_sets;
 898         int n_nd_match_sets;
 899         struct ieee80211_channel **nd_channels;
 900         int n_nd_channels;
 901         bool net_detect;
 902 #ifdef CONFIG_IWLWIFI_DEBUGFS
 903         bool d3_wake_sysassert;
 904         bool d3_test_active;
 905         bool store_d3_resume_sram;
 906         void *d3_resume_sram;
 907         u32 d3_test_pme_ptr;
 908         struct ieee80211_vif *keep_vif;
 909         u32 last_netdetect_scans; /* no. of scans in the last net-detect wake */
 910 #endif
 911 #endif
 912
 913         /* d0i3 */
 914         u8 d0i3_ap_sta_id;
 915         bool d0i3_offloading;
 916         struct work_struct d0i3_exit_work;
 917         struct sk_buff_head d0i3_tx;
 918         /* protect d0i3_suspend_flags */
 919         struct mutex d0i3_suspend_mutex;
 920         unsigned long d0i3_suspend_flags;
 921         /* sync d0i3_tx queue and IWL_MVM_STATUS_IN_D0I3 status flag */
 922         spinlock_t d0i3_tx_lock;
 923         wait_queue_head_t d0i3_exit_waitq;
 924         wait_queue_head_t rx_sync_waitq;
 925
 926         /* BT-Coex */
 927         struct iwl_bt_coex_profile_notif last_bt_notif;
 928         struct iwl_bt_coex_ci_cmd last_bt_ci_cmd;
 929
 930         u8 bt_tx_prio;
 931         enum iwl_bt_force_ant_mode bt_force_ant_mode;
 932
 933         /* Aux ROC */
 934         struct list_head aux_roc_te_list;
 935
 936         /* Thermal Throttling and CTkill */
 937         struct iwl_mvm_tt_mgmt thermal_throttle;
 938 #ifdef CONFIG_THERMAL
 939         struct iwl_mvm_thermal_device tz_device;
 940         struct iwl_mvm_cooling_device cooling_dev;
 941 #endif
 942
 943         s32 temperature;        /* Celsius */
 944         /*
 945          * Debug option to set the NIC temperature. This option makes the
 946          * driver think this is the actual NIC temperature, and ignore the
 947          * real temperature that is received from the fw
 948          */
 949         bool temperature_test;  /* Debug test temperature is enabled */
 950
 951         struct iwl_time_quota_cmd last_quota_cmd;
 952
 953 #ifdef CONFIG_NL80211_TESTMODE
 954         u32 noa_duration;
 955         struct ieee80211_vif *noa_vif;
 956 #endif
 957
 958         /* Tx queues */
 959         u16 aux_queue;
 960         u16 snif_queue;
 961         u16 probe_queue;
 962         u16 p2p_dev_queue;
 963
 964         /* Indicate if device power save is allowed */
 965         u8 ps_disabled; /* u8 instead of bool to ease debugfs_create_* usage */
 966         unsigned int max_amsdu_len; /* used for debugfs only */
 967
 968         struct ieee80211_vif __rcu *csa_vif;
 969         struct ieee80211_vif __rcu *csa_tx_blocked_vif;
 970         u8 csa_tx_block_bcn_timeout;
 971
 972         /* system time of last beacon (for AP/GO interface) */
 973         u32 ap_last_beacon_gp2;
 974
 975         /* indicates that we transmitted the last beacon */
 976         bool ibss_manager;
 977
 978         bool lar_regdom_set;
 979         enum iwl_mcc_source mcc_src;
 980
 981         /* TDLS channel switch data */
 982         struct {
 983                 struct delayed_work dwork;
 984                 enum iwl_mvm_tdls_cs_state state;
 985
 986                 /*
 987                  * Current cs sta - might be different from periodic cs peer
 988                  * station. Value is meaningless when the cs-state is idle.
 989                  */
 990                 u8 cur_sta_id;
 991
 992                 /* TDLS periodic channel-switch peer */
 993                 struct {
 994                         u8 sta_id;
 995                         u8 op_class;
 996                         bool initiator; /* are we the link initiator */
 997                         struct cfg80211_chan_def chandef;
 998                         struct sk_buff *skb; /* ch sw template */
 999                         u32 ch_sw_tm_ie;
1000
1001                         /* timestamp of last ch-sw request sent (GP2 time) */
1002                         u32 sent_timestamp;
1003                 } peer;
1004         } tdls_cs;
1005
1006
1007         u32 ciphers[IWL_MVM_NUM_CIPHERS];
1008         struct ieee80211_cipher_scheme cs[IWL_UCODE_MAX_CS];
1009         struct iwl_mvm_tof_data tof_data;
1010
1011         struct ieee80211_vif *nan_vif;
1012 #define IWL_MAX_BAID    32
1013         struct iwl_mvm_baid_data __rcu *baid_map[IWL_MAX_BAID];
1014
1015         /*
1016          * Drop beacons from other APs in AP mode when there are no connected
1017          * clients.
1018          */
1019         bool drop_bcn_ap_mode;
1020
1021         struct delayed_work cs_tx_unblock_dwork;
1022
1023         /* does a monitor vif exist (only one can exist hence bool) */
1024         bool monitor_on;
1025 #ifdef CONFIG_ACPI
1026         struct iwl_mvm_sar_profile sar_profiles[IWL_MVM_SAR_PROFILE_NUM];
1027         struct iwl_mvm_geo_profile geo_profiles[IWL_NUM_GEO_PROFILES];
1028 #endif
1029 };
1030
1031 /* Extract MVM priv from op_mode and _hw */
1032 #define IWL_OP_MODE_GET_MVM(_iwl_op_mode)               \
1033         ((struct iwl_mvm *)(_iwl_op_mode)->op_mode_specific)
1034
1035 #define IWL_MAC80211_GET_MVM(_hw)                       \
1036         IWL_OP_MODE_GET_MVM((struct iwl_op_mode *)((_hw)->priv))
1037
1038 /**
1039  * enum iwl_mvm_status - MVM status bits
1040  * @IWL_MVM_STATUS_HW_RFKILL: HW RF-kill is asserted
1041  * @IWL_MVM_STATUS_HW_CTKILL: CT-kill is active
1042  * @IWL_MVM_STATUS_ROC_RUNNING: remain-on-channel is running
1043  * @IWL_MVM_STATUS_HW_RESTART_REQUESTED: HW restart was requested
1044  * @IWL_MVM_STATUS_IN_HW_RESTART: HW restart is active
1045  * @IWL_MVM_STATUS_IN_D0I3: NIC is in D0i3
1046  * @IWL_MVM_STATUS_ROC_AUX_RUNNING: AUX remain-on-channel is running
1047  * @IWL_MVM_STATUS_D3_RECONFIG: D3 reconfiguration is being done
1048  * @IWL_MVM_STATUS_FIRMWARE_RUNNING: firmware is running
1049  * @IWL_MVM_STATUS_NEED_FLUSH_P2P: need to flush P2P bcast STA
1050  */
1051 enum iwl_mvm_status {
1052         IWL_MVM_STATUS_HW_RFKILL,
1053         IWL_MVM_STATUS_HW_CTKILL,
1054         IWL_MVM_STATUS_ROC_RUNNING,
1055         IWL_MVM_STATUS_HW_RESTART_REQUESTED,
1056         IWL_MVM_STATUS_IN_HW_RESTART,
1057         IWL_MVM_STATUS_IN_D0I3,
1058         IWL_MVM_STATUS_ROC_AUX_RUNNING,
1059         IWL_MVM_STATUS_D3_RECONFIG,
1060         IWL_MVM_STATUS_FIRMWARE_RUNNING,
1061         IWL_MVM_STATUS_NEED_FLUSH_P2P,
1062 };
1063
1064 /* Keep track of completed init configuration */
1065 enum iwl_mvm_init_status {
1066         IWL_MVM_INIT_STATUS_THERMAL_INIT_COMPLETE = BIT(0),
1067         IWL_MVM_INIT_STATUS_LEDS_INIT_COMPLETE = BIT(1),
1068         IWL_MVM_INIT_STATUS_REG_HW_INIT_COMPLETE = BIT(2),
1069         IWL_MVM_INIT_STATUS_TOF_INIT_COMPLETE = BIT(3),
1070 };
1071
1072 static inline bool iwl_mvm_is_radio_killed(struct iwl_mvm *mvm)
1073 {
1074         return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status) ||
1075                test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
1076 }
1077
1078 static inline bool iwl_mvm_is_radio_hw_killed(struct iwl_mvm *mvm)
1079 {
1080         return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status);
1081 }
1082
1083 static inline bool iwl_mvm_firmware_running(struct iwl_mvm *mvm)
1084 {
1085         return test_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status);
1086 }
1087
1088 /* Must be called with rcu_read_lock() held and it can only be
1089  * released when mvmsta is not needed anymore.
1090  */
1091 static inline struct iwl_mvm_sta *
1092 iwl_mvm_sta_from_staid_rcu(struct iwl_mvm *mvm, u8 sta_id)
1093 {
1094         struct ieee80211_sta *sta;
1095
1096         if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
1097                 return NULL;
1098
1099         sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
1100
1101         /* This can happen if the station has been removed right now */
1102         if (IS_ERR_OR_NULL(sta))
1103                 return NULL;
1104
1105         return iwl_mvm_sta_from_mac80211(sta);
1106 }
1107
1108 static inline struct iwl_mvm_sta *
1109 iwl_mvm_sta_from_staid_protected(struct iwl_mvm *mvm, u8 sta_id)
1110 {
1111         struct ieee80211_sta *sta;
1112
1113         if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
1114                 return NULL;
1115
1116         sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id],
1117                                         lockdep_is_held(&mvm->mutex));
1118
1119         /* This can happen if the station has been removed right now */
1120         if (IS_ERR_OR_NULL(sta))
1121                 return NULL;
1122
1123         return iwl_mvm_sta_from_mac80211(sta);
1124 }
1125
1126 static inline bool iwl_mvm_is_d0i3_supported(struct iwl_mvm *mvm)
1127 {
1128         return !iwlwifi_mod_params.d0i3_disable &&
1129                 fw_has_capa(&mvm->fw->ucode_capa,
1130                             IWL_UCODE_TLV_CAPA_D0I3_SUPPORT);
1131 }
1132
1133 static inline bool iwl_mvm_is_adaptive_dwell_supported(struct iwl_mvm *mvm)
1134 {
1135         return fw_has_api(&mvm->fw->ucode_capa,
1136                           IWL_UCODE_TLV_API_ADAPTIVE_DWELL);
1137 }
1138
1139 static inline bool iwl_mvm_enter_d0i3_on_suspend(struct iwl_mvm *mvm)
1140 {
1141         /* For now we only use this mode to differentiate between
1142          * slave transports, which handle D0i3 entry in suspend by
1143          * themselves in conjunction with runtime PM D0i3.  So, this
1144          * function is used to check whether we need to do anything
1145          * when entering suspend or if the transport layer has already
1146          * done it.
1147          */
1148         return (mvm->trans->system_pm_mode == IWL_PLAT_PM_MODE_D0I3) &&
1149                 (mvm->trans->runtime_pm_mode != IWL_PLAT_PM_MODE_D0I3);
1150 }
1151
1152 static inline bool iwl_mvm_is_dqa_data_queue(struct iwl_mvm *mvm, u8 queue)
1153 {
1154         return (queue >= IWL_MVM_DQA_MIN_DATA_QUEUE) &&
1155                (queue <= IWL_MVM_DQA_MAX_DATA_QUEUE);
1156 }
1157
1158 static inline bool iwl_mvm_is_dqa_mgmt_queue(struct iwl_mvm *mvm, u8 queue)
1159 {
1160         return (queue >= IWL_MVM_DQA_MIN_MGMT_QUEUE) &&
1161                (queue <= IWL_MVM_DQA_MAX_MGMT_QUEUE);
1162 }
1163
1164 static inline bool iwl_mvm_is_lar_supported(struct iwl_mvm *mvm)
1165 {
1166         bool nvm_lar = mvm->nvm_data->lar_enabled;
1167         bool tlv_lar = fw_has_capa(&mvm->fw->ucode_capa,
1168                                    IWL_UCODE_TLV_CAPA_LAR_SUPPORT);
1169
1170         if (iwlwifi_mod_params.lar_disable)
1171                 return false;
1172
1173         /*
1174          * Enable LAR only if it is supported by the FW (TLV) &&
1175          * enabled in the NVM
1176          */
1177         if (mvm->cfg->nvm_type == IWL_NVM_EXT)
1178                 return nvm_lar && tlv_lar;
1179         else
1180                 return tlv_lar;
1181 }
1182
1183 static inline bool iwl_mvm_is_wifi_mcc_supported(struct iwl_mvm *mvm)
1184 {
1185         return fw_has_api(&mvm->fw->ucode_capa,
1186                           IWL_UCODE_TLV_API_WIFI_MCC_UPDATE) ||
1187                fw_has_capa(&mvm->fw->ucode_capa,
1188                            IWL_UCODE_TLV_CAPA_LAR_MULTI_MCC);
1189 }
1190
1191 static inline bool iwl_mvm_bt_is_rrc_supported(struct iwl_mvm *mvm)
1192 {
1193         return fw_has_capa(&mvm->fw->ucode_capa,
1194                            IWL_UCODE_TLV_CAPA_BT_COEX_RRC) &&
1195                 IWL_MVM_BT_COEX_RRC;
1196 }
1197
1198 static inline bool iwl_mvm_is_csum_supported(struct iwl_mvm *mvm)
1199 {
1200         return fw_has_capa(&mvm->fw->ucode_capa,
1201                            IWL_UCODE_TLV_CAPA_CSUM_SUPPORT) &&
1202                !IWL_MVM_HW_CSUM_DISABLE;
1203 }
1204
1205 static inline bool iwl_mvm_is_mplut_supported(struct iwl_mvm *mvm)
1206 {
1207         return fw_has_capa(&mvm->fw->ucode_capa,
1208                            IWL_UCODE_TLV_CAPA_BT_MPLUT_SUPPORT) &&
1209                 IWL_MVM_BT_COEX_MPLUT;
1210 }
1211
1212 static inline
1213 bool iwl_mvm_is_p2p_scm_uapsd_supported(struct iwl_mvm *mvm)
1214 {
1215         return fw_has_capa(&mvm->fw->ucode_capa,
1216                            IWL_UCODE_TLV_CAPA_P2P_SCM_UAPSD) &&
1217                 !(iwlwifi_mod_params.uapsd_disable &
1218                   IWL_DISABLE_UAPSD_P2P_CLIENT);
1219 }
1220
1221 static inline bool iwl_mvm_has_new_rx_api(struct iwl_mvm *mvm)
1222 {
1223         return fw_has_capa(&mvm->fw->ucode_capa,
1224                            IWL_UCODE_TLV_CAPA_MULTI_QUEUE_RX_SUPPORT);
1225 }
1226
1227 static inline bool iwl_mvm_has_new_tx_api(struct iwl_mvm *mvm)
1228 {
1229         /* TODO - replace with TLV once defined */
1230         return mvm->trans->cfg->use_tfh;
1231 }
1232
1233 static inline bool iwl_mvm_has_unified_ucode(struct iwl_mvm *mvm)
1234 {
1235         /* TODO - better define this */
1236         return mvm->trans->cfg->device_family >= IWL_DEVICE_FAMILY_A000;
1237 }
1238
1239 static inline bool iwl_mvm_is_cdb_supported(struct iwl_mvm *mvm)
1240 {
1241         /*
1242          * TODO:
1243          * The issue of how to determine CDB APIs and usage is still not fully
1244          * defined.
1245          * There is a compilation for CDB and non-CDB FW, but there may
1246          * be also runtime check.
1247          * For now there is a TLV for checking compilation mode, but a
1248          * runtime check will also have to be here - once defined.
1249          */
1250         return fw_has_capa(&mvm->fw->ucode_capa,
1251                            IWL_UCODE_TLV_CAPA_CDB_SUPPORT);
1252 }
1253
1254 static inline bool iwl_mvm_has_new_rx_stats_api(struct iwl_mvm *mvm)
1255 {
1256         return fw_has_api(&mvm->fw->ucode_capa,
1257                           IWL_UCODE_TLV_API_NEW_RX_STATS);
1258 }
1259
1260 static inline bool iwl_mvm_has_new_ats_coex_api(struct iwl_mvm *mvm)
1261 {
1262         return fw_has_api(&mvm->fw->ucode_capa,
1263                           IWL_UCODE_TLV_API_COEX_ATS_EXTERNAL);
1264 }
1265
1266 static inline struct agg_tx_status *
1267 iwl_mvm_get_agg_status(struct iwl_mvm *mvm, void *tx_resp)
1268 {
1269         if (iwl_mvm_has_new_tx_api(mvm))
1270                 return &((struct iwl_mvm_tx_resp *)tx_resp)->status;
1271         else
1272                 return ((struct iwl_mvm_tx_resp_v3 *)tx_resp)->status;
1273 }
1274
1275 static inline bool iwl_mvm_is_tt_in_fw(struct iwl_mvm *mvm)
1276 {
1277 #ifdef CONFIG_THERMAL
1278         /* these two TLV are redundant since the responsibility to CT-kill by
1279          * FW happens only after we send at least one command of
1280          * temperature THs report.
1281          */
1282         return fw_has_capa(&mvm->fw->ucode_capa,
1283                            IWL_UCODE_TLV_CAPA_CT_KILL_BY_FW) &&
1284                fw_has_capa(&mvm->fw->ucode_capa,
1285                            IWL_UCODE_TLV_CAPA_TEMP_THS_REPORT_SUPPORT);
1286 #else /* CONFIG_THERMAL */
1287         return false;
1288 #endif /* CONFIG_THERMAL */
1289 }
1290
1291 static inline bool iwl_mvm_is_ctdp_supported(struct iwl_mvm *mvm)
1292 {
1293         return fw_has_capa(&mvm->fw->ucode_capa,
1294                            IWL_UCODE_TLV_CAPA_CTDP_SUPPORT);
1295 }
1296
1297 extern const u8 iwl_mvm_ac_to_tx_fifo[];
1298 extern const u8 iwl_mvm_ac_to_gen2_tx_fifo[];
1299
1300 static inline u8 iwl_mvm_mac_ac_to_tx_fifo(struct iwl_mvm *mvm,
1301                                            enum ieee80211_ac_numbers ac)
1302 {
1303         return iwl_mvm_has_new_tx_api(mvm) ?
1304                 iwl_mvm_ac_to_gen2_tx_fifo[ac] : iwl_mvm_ac_to_tx_fifo[ac];
1305 }
1306
1307 struct iwl_rate_info {
1308         u8 plcp;        /* uCode API:  IWL_RATE_6M_PLCP, etc. */
1309         u8 plcp_siso;   /* uCode API:  IWL_RATE_SISO_6M_PLCP, etc. */
1310         u8 plcp_mimo2;  /* uCode API:  IWL_RATE_MIMO2_6M_PLCP, etc. */
1311         u8 plcp_mimo3;  /* uCode API:  IWL_RATE_MIMO3_6M_PLCP, etc. */
1312         u8 ieee;        /* MAC header:  IWL_RATE_6M_IEEE, etc. */
1313 };
1314
1315 void __iwl_mvm_mac_stop(struct iwl_mvm *mvm);
1316 int __iwl_mvm_mac_start(struct iwl_mvm *mvm);
1317
1318 /******************
1319  * MVM Methods
1320  ******************/
1321 /* uCode */
1322 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm);
1323
1324 /* Utils */
1325 int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags,
1326                                         enum nl80211_band band);
1327 void iwl_mvm_hwrate_to_tx_rate(u32 rate_n_flags,
1328                                enum nl80211_band band,
1329                                struct ieee80211_tx_rate *r);
1330 u8 iwl_mvm_mac80211_idx_to_hwrate(int rate_idx);
1331 void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm);
1332 u8 first_antenna(u8 mask);
1333 u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx);
1334 void iwl_mvm_get_sync_time(struct iwl_mvm *mvm, u32 *gp2, u64 *boottime);
1335
1336 /* Tx / Host Commands */
1337 int __must_check iwl_mvm_send_cmd(struct iwl_mvm *mvm,
1338                                   struct iwl_host_cmd *cmd);
1339 int __must_check iwl_mvm_send_cmd_pdu(struct iwl_mvm *mvm, u32 id,
1340                                       u32 flags, u16 len, const void *data);
1341 int __must_check iwl_mvm_send_cmd_status(struct iwl_mvm *mvm,
1342                                          struct iwl_host_cmd *cmd,
1343                                          u32 *status);
1344 int __must_check iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u32 id,
1345                                              u16 len, const void *data,
1346                                              u32 *status);
1347 int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb,
1348                    struct ieee80211_sta *sta);
1349 int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb);
1350 void iwl_mvm_set_tx_cmd(struct iwl_mvm *mvm, struct sk_buff *skb,
1351                         struct iwl_tx_cmd *tx_cmd,
1352                         struct ieee80211_tx_info *info, u8 sta_id);
1353 void iwl_mvm_set_tx_cmd_rate(struct iwl_mvm *mvm, struct iwl_tx_cmd *tx_cmd,
1354                             struct ieee80211_tx_info *info,
1355                             struct ieee80211_sta *sta, __le16 fc);
1356 #ifdef CONFIG_IWLWIFI_DEBUG
1357 const char *iwl_mvm_get_tx_fail_reason(u32 status);
1358 #else
1359 static inline const char *iwl_mvm_get_tx_fail_reason(u32 status) { return ""; }
1360 #endif
1361 int iwl_mvm_flush_tx_path(struct iwl_mvm *mvm, u32 tfd_msk, u32 flags);
1362 int iwl_mvm_flush_sta(struct iwl_mvm *mvm, void *sta, bool internal, u32 flags);
1363 int iwl_mvm_flush_sta_tids(struct iwl_mvm *mvm, u32 sta_id,
1364                            u16 tids, u32 flags);
1365
1366 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm);
1367
1368 static inline void iwl_mvm_set_tx_cmd_ccmp(struct ieee80211_tx_info *info,
1369                                            struct iwl_tx_cmd *tx_cmd)
1370 {
1371         struct ieee80211_key_conf *keyconf = info->control.hw_key;
1372
1373         tx_cmd->sec_ctl = TX_CMD_SEC_CCM;
1374         memcpy(tx_cmd->key, keyconf->key, keyconf->keylen);
1375 }
1376
1377 static inline void iwl_mvm_wait_for_async_handlers(struct iwl_mvm *mvm)
1378 {
1379         flush_work(&mvm->async_handlers_wk);
1380 }
1381
1382 /* Statistics */
1383 void iwl_mvm_handle_rx_statistics(struct iwl_mvm *mvm,
1384                                   struct iwl_rx_packet *pkt);
1385 void iwl_mvm_rx_statistics(struct iwl_mvm *mvm,
1386                            struct iwl_rx_cmd_buffer *rxb);
1387 int iwl_mvm_request_statistics(struct iwl_mvm *mvm, bool clear);
1388 void iwl_mvm_accu_radio_stats(struct iwl_mvm *mvm);
1389
1390 /* NVM */
1391 int iwl_nvm_init(struct iwl_mvm *mvm);
1392 int iwl_mvm_load_nvm_to_nic(struct iwl_mvm *mvm);
1393 int iwl_mvm_read_external_nvm(struct iwl_mvm *mvm);
1394
1395 static inline u8 iwl_mvm_get_valid_tx_ant(struct iwl_mvm *mvm)
1396 {
1397         return mvm->nvm_data && mvm->nvm_data->valid_tx_ant ?
1398                mvm->fw->valid_tx_ant & mvm->nvm_data->valid_tx_ant :
1399                mvm->fw->valid_tx_ant;
1400 }
1401
1402 static inline u8 iwl_mvm_get_valid_rx_ant(struct iwl_mvm *mvm)
1403 {
1404         return mvm->nvm_data && mvm->nvm_data->valid_rx_ant ?
1405                mvm->fw->valid_rx_ant & mvm->nvm_data->valid_rx_ant :
1406                mvm->fw->valid_rx_ant;
1407 }
1408
1409 static inline u32 iwl_mvm_get_phy_config(struct iwl_mvm *mvm)
1410 {
1411         u32 phy_config = ~(FW_PHY_CFG_TX_CHAIN |
1412                            FW_PHY_CFG_RX_CHAIN);
1413         u32 valid_rx_ant = iwl_mvm_get_valid_rx_ant(mvm);
1414         u32 valid_tx_ant = iwl_mvm_get_valid_tx_ant(mvm);
1415
1416         phy_config |= valid_tx_ant << FW_PHY_CFG_TX_CHAIN_POS |
1417                       valid_rx_ant << FW_PHY_CFG_RX_CHAIN_POS;
1418
1419         return mvm->fw->phy_config & phy_config;
1420 }
1421
1422 int iwl_mvm_up(struct iwl_mvm *mvm);
1423 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm);
1424
1425 int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm);
1426 bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm,
1427                                     struct iwl_bcast_filter_cmd *cmd);
1428
1429 /*
1430  * FW notifications / CMD responses handlers
1431  * Convention: iwl_mvm_rx_<NAME OF THE CMD>
1432  */
1433 void iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1434 void iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct napi_struct *napi,
1435                         struct iwl_rx_cmd_buffer *rxb);
1436 void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi,
1437                         struct iwl_rx_cmd_buffer *rxb, int queue);
1438 void iwl_mvm_rx_frame_release(struct iwl_mvm *mvm, struct napi_struct *napi,
1439                               struct iwl_rx_cmd_buffer *rxb, int queue);
1440 int iwl_mvm_notify_rx_queue(struct iwl_mvm *mvm, u32 rxq_mask,
1441                             const u8 *data, u32 count);
1442 void iwl_mvm_rx_queue_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1443                             int queue);
1444 void iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1445 void iwl_mvm_mfu_assert_dump_notif(struct iwl_mvm *mvm,
1446                                    struct iwl_rx_cmd_buffer *rxb);
1447 void iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1448 void iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm,
1449                                    struct iwl_rx_cmd_buffer *rxb);
1450 void iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1451 void iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
1452                                  struct iwl_rx_cmd_buffer *rxb);
1453 void iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm,
1454                              struct iwl_rx_cmd_buffer *rxb);
1455 void iwl_mvm_rx_shared_mem_cfg_notif(struct iwl_mvm *mvm,
1456                                      struct iwl_rx_cmd_buffer *rxb);
1457
1458 /* MVM PHY */
1459 int iwl_mvm_phy_ctxt_add(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
1460                          struct cfg80211_chan_def *chandef,
1461                          u8 chains_static, u8 chains_dynamic);
1462 int iwl_mvm_phy_ctxt_changed(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
1463                              struct cfg80211_chan_def *chandef,
1464                              u8 chains_static, u8 chains_dynamic);
1465 void iwl_mvm_phy_ctxt_ref(struct iwl_mvm *mvm,
1466                           struct iwl_mvm_phy_ctxt *ctxt);
1467 void iwl_mvm_phy_ctxt_unref(struct iwl_mvm *mvm,
1468                             struct iwl_mvm_phy_ctxt *ctxt);
1469 int iwl_mvm_phy_ctx_count(struct iwl_mvm *mvm);
1470 u8 iwl_mvm_get_channel_width(struct cfg80211_chan_def *chandef);
1471 u8 iwl_mvm_get_ctrl_pos(struct cfg80211_chan_def *chandef);
1472
1473 /* MAC (virtual interface) programming */
1474 int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1475 int iwl_mvm_mac_ctxt_add(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1476 int iwl_mvm_mac_ctxt_changed(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1477                              bool force_assoc_off, const u8 *bssid_override);
1478 int iwl_mvm_mac_ctxt_remove(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1479 u32 iwl_mvm_mac_get_queues_mask(struct ieee80211_vif *vif);
1480 int iwl_mvm_mac_ctxt_beacon_changed(struct iwl_mvm *mvm,
1481                                     struct ieee80211_vif *vif);
1482 void iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm,
1483                              struct iwl_rx_cmd_buffer *rxb);
1484 void iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm,
1485                                      struct iwl_rx_cmd_buffer *rxb);
1486 void iwl_mvm_rx_stored_beacon_notif(struct iwl_mvm *mvm,
1487                                     struct iwl_rx_cmd_buffer *rxb);
1488 void iwl_mvm_mu_mimo_grp_notif(struct iwl_mvm *mvm,
1489                                struct iwl_rx_cmd_buffer *rxb);
1490 void iwl_mvm_sta_pm_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1491 void iwl_mvm_window_status_notif(struct iwl_mvm *mvm,
1492                                  struct iwl_rx_cmd_buffer *rxb);
1493 void iwl_mvm_mac_ctxt_recalc_tsf_id(struct iwl_mvm *mvm,
1494                                     struct ieee80211_vif *vif);
1495 unsigned long iwl_mvm_get_used_hw_queues(struct iwl_mvm *mvm,
1496                                          struct ieee80211_vif *exclude_vif);
1497 void iwl_mvm_channel_switch_noa_notif(struct iwl_mvm *mvm,
1498                                       struct iwl_rx_cmd_buffer *rxb);
1499 /* Bindings */
1500 int iwl_mvm_binding_add_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1501 int iwl_mvm_binding_remove_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1502
1503 /* Quota management */
1504 int iwl_mvm_update_quotas(struct iwl_mvm *mvm, bool force_upload,
1505                           struct ieee80211_vif *disabled_vif);
1506
1507 /* Scanning */
1508 int iwl_mvm_reg_scan_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1509                            struct cfg80211_scan_request *req,
1510                            struct ieee80211_scan_ies *ies);
1511 int iwl_mvm_scan_size(struct iwl_mvm *mvm);
1512 int iwl_mvm_scan_stop(struct iwl_mvm *mvm, int type, bool notify);
1513 int iwl_mvm_max_scan_ie_len(struct iwl_mvm *mvm);
1514 void iwl_mvm_report_scan_aborted(struct iwl_mvm *mvm);
1515 void iwl_mvm_scan_timeout_wk(struct work_struct *work);
1516
1517 /* Scheduled scan */
1518 void iwl_mvm_rx_lmac_scan_complete_notif(struct iwl_mvm *mvm,
1519                                          struct iwl_rx_cmd_buffer *rxb);
1520 void iwl_mvm_rx_lmac_scan_iter_complete_notif(struct iwl_mvm *mvm,
1521                                               struct iwl_rx_cmd_buffer *rxb);
1522 int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm,
1523                              struct ieee80211_vif *vif,
1524                              struct cfg80211_sched_scan_request *req,
1525                              struct ieee80211_scan_ies *ies,
1526                              int type);
1527 void iwl_mvm_rx_scan_match_found(struct iwl_mvm *mvm,
1528                                  struct iwl_rx_cmd_buffer *rxb);
1529
1530 /* UMAC scan */
1531 int iwl_mvm_config_scan(struct iwl_mvm *mvm);
1532 void iwl_mvm_rx_umac_scan_complete_notif(struct iwl_mvm *mvm,
1533                                          struct iwl_rx_cmd_buffer *rxb);
1534 void iwl_mvm_rx_umac_scan_iter_complete_notif(struct iwl_mvm *mvm,
1535                                               struct iwl_rx_cmd_buffer *rxb);
1536
1537 /* MVM debugfs */
1538 #ifdef CONFIG_IWLWIFI_DEBUGFS
1539 int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir);
1540 void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1541 void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1542 #else
1543 static inline int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm,
1544                                          struct dentry *dbgfs_dir)
1545 {
1546         return 0;
1547 }
1548 static inline void
1549 iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1550 {
1551 }
1552 static inline void
1553 iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1554 {
1555 }
1556 #endif /* CONFIG_IWLWIFI_DEBUGFS */
1557
1558 /* rate scaling */
1559 int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool init);
1560 void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm, u32 rate, bool agg);
1561 int rs_pretty_print_rate(char *buf, const u32 rate);
1562 void rs_update_last_rssi(struct iwl_mvm *mvm,
1563                          struct iwl_lq_sta *lq_sta,
1564                          struct ieee80211_rx_status *rx_status);
1565
1566 /* power management */
1567 int iwl_mvm_power_update_device(struct iwl_mvm *mvm);
1568 int iwl_mvm_power_update_mac(struct iwl_mvm *mvm);
1569 int iwl_mvm_power_update_ps(struct iwl_mvm *mvm);
1570 int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1571                                  char *buf, int bufsz);
1572
1573 void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1574 void iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm,
1575                                               struct iwl_rx_cmd_buffer *rxb);
1576
1577 #ifdef CONFIG_IWLWIFI_LEDS
1578 int iwl_mvm_leds_init(struct iwl_mvm *mvm);
1579 void iwl_mvm_leds_exit(struct iwl_mvm *mvm);
1580 void iwl_mvm_leds_sync(struct iwl_mvm *mvm);
1581 #else
1582 static inline int iwl_mvm_leds_init(struct iwl_mvm *mvm)
1583 {
1584         return 0;
1585 }
1586 static inline void iwl_mvm_leds_exit(struct iwl_mvm *mvm)
1587 {
1588 }
1589 static inline void iwl_mvm_leds_sync(struct iwl_mvm *mvm)
1590 {
1591 }
1592 #endif
1593
1594 /* D3 (WoWLAN, NetDetect) */
1595 int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan);
1596 int iwl_mvm_resume(struct ieee80211_hw *hw);
1597 void iwl_mvm_set_wakeup(struct ieee80211_hw *hw, bool enabled);
1598 void iwl_mvm_set_rekey_data(struct ieee80211_hw *hw,
1599                             struct ieee80211_vif *vif,
1600                             struct cfg80211_gtk_rekey_data *data);
1601 void iwl_mvm_ipv6_addr_change(struct ieee80211_hw *hw,
1602                               struct ieee80211_vif *vif,
1603                               struct inet6_dev *idev);
1604 void iwl_mvm_set_default_unicast_key(struct ieee80211_hw *hw,
1605                                      struct ieee80211_vif *vif, int idx);
1606 extern const struct file_operations iwl_dbgfs_d3_test_ops;
1607 #ifdef CONFIG_PM
1608 int iwl_mvm_wowlan_config_key_params(struct iwl_mvm *mvm,
1609                                      struct ieee80211_vif *vif,
1610                                      bool host_awake,
1611                                      u32 cmd_flags);
1612 void iwl_mvm_d0i3_update_keys(struct iwl_mvm *mvm,
1613                               struct ieee80211_vif *vif,
1614                               struct iwl_wowlan_status *status);
1615 void iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm,
1616                                  struct ieee80211_vif *vif);
1617 #else
1618 static inline int iwl_mvm_wowlan_config_key_params(struct iwl_mvm *mvm,
1619                                                    struct ieee80211_vif *vif,
1620                                                    bool host_awake,
1621                                                    u32 cmd_flags)
1622 {
1623         return 0;
1624 }
1625
1626 static inline void iwl_mvm_d0i3_update_keys(struct iwl_mvm *mvm,
1627                                             struct ieee80211_vif *vif,
1628                                             struct iwl_wowlan_status *status)
1629 {
1630 }
1631
1632 static inline void
1633 iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1634 {
1635 }
1636 #endif
1637 void iwl_mvm_set_wowlan_qos_seq(struct iwl_mvm_sta *mvm_ap_sta,
1638                                 struct iwl_wowlan_config_cmd *cmd);
1639 int iwl_mvm_send_proto_offload(struct iwl_mvm *mvm,
1640                                struct ieee80211_vif *vif,
1641                                bool disable_offloading,
1642                                bool offload_ns,
1643                                u32 cmd_flags);
1644
1645 /* D0i3 */
1646 void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1647 void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1648 int iwl_mvm_ref_sync(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1649 bool iwl_mvm_ref_taken(struct iwl_mvm *mvm);
1650 void iwl_mvm_d0i3_enable_tx(struct iwl_mvm *mvm, __le16 *qos_seq);
1651 int iwl_mvm_enter_d0i3(struct iwl_op_mode *op_mode);
1652 int iwl_mvm_exit_d0i3(struct iwl_op_mode *op_mode);
1653 int _iwl_mvm_exit_d0i3(struct iwl_mvm *mvm);
1654
1655 /* BT Coex */
1656 int iwl_mvm_send_bt_init_conf(struct iwl_mvm *mvm);
1657 void iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm,
1658                               struct iwl_rx_cmd_buffer *rxb);
1659 void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1660                            enum ieee80211_rssi_event_data);
1661 void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm);
1662 u16 iwl_mvm_coex_agg_time_limit(struct iwl_mvm *mvm,
1663                                 struct ieee80211_sta *sta);
1664 bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm,
1665                                      struct ieee80211_sta *sta);
1666 bool iwl_mvm_bt_coex_is_ant_avail(struct iwl_mvm *mvm, u8 ant);
1667 bool iwl_mvm_bt_coex_is_shared_ant_avail(struct iwl_mvm *mvm);
1668 bool iwl_mvm_bt_coex_is_tpc_allowed(struct iwl_mvm *mvm,
1669                                     enum nl80211_band band);
1670 u8 iwl_mvm_bt_coex_tx_prio(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr,
1671                            struct ieee80211_tx_info *info, u8 ac);
1672
1673 /* beacon filtering */
1674 #ifdef CONFIG_IWLWIFI_DEBUGFS
1675 void
1676 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1677                                          struct iwl_beacon_filter_cmd *cmd);
1678 #else
1679 static inline void
1680 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1681                                          struct iwl_beacon_filter_cmd *cmd)
1682 {}
1683 #endif
1684 int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm,
1685                                    struct ieee80211_vif *vif,
1686                                    bool enable, u32 flags);
1687 int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
1688                                  struct ieee80211_vif *vif,
1689                                  u32 flags);
1690 int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
1691                                   struct ieee80211_vif *vif,
1692                                   u32 flags);
1693 /* SMPS */
1694 void iwl_mvm_update_smps(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1695                                 enum iwl_mvm_smps_type_request req_type,
1696                                 enum ieee80211_smps_mode smps_request);
1697 bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm *mvm);
1698
1699 /* Low latency */
1700 int iwl_mvm_update_low_latency(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1701                                bool value);
1702 /* get SystemLowLatencyMode - only needed for beacon threshold? */
1703 bool iwl_mvm_low_latency(struct iwl_mvm *mvm);
1704 /* get VMACLowLatencyMode */
1705 static inline bool iwl_mvm_vif_low_latency(struct iwl_mvm_vif *mvmvif)
1706 {
1707         /*
1708          * should this consider associated/active/... state?
1709          *
1710          * Normally low-latency should only be active on interfaces
1711          * that are active, but at least with debugfs it can also be
1712          * enabled on interfaces that aren't active. However, when
1713          * interface aren't active then they aren't added into the
1714          * binding, so this has no real impact. For now, just return
1715          * the current desired low-latency state.
1716          */
1717         return mvmvif->low_latency_dbgfs ||
1718                mvmvif->low_latency_traffic ||
1719                mvmvif->low_latency_vcmd;
1720 }
1721
1722 /* hw scheduler queue config */
1723 bool iwl_mvm_enable_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue,
1724                         u16 ssn, const struct iwl_trans_txq_scd_cfg *cfg,
1725                         unsigned int wdg_timeout);
1726 int iwl_mvm_tvqm_enable_txq(struct iwl_mvm *mvm, int mac80211_queue,
1727                             u8 sta_id, u8 tid, unsigned int timeout);
1728
1729 int iwl_mvm_disable_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue,
1730                         u8 tid, u8 flags);
1731 int iwl_mvm_find_free_queue(struct iwl_mvm *mvm, u8 sta_id, u8 minq, u8 maxq);
1732
1733 /* Return a bitmask with all the hw supported queues, except for the
1734  * command queue, which can't be flushed.
1735  */
1736 static inline u32 iwl_mvm_flushable_queues(struct iwl_mvm *mvm)
1737 {
1738         return ((BIT(mvm->cfg->base_params->num_of_queues) - 1) &
1739                 ~BIT(IWL_MVM_DQA_CMD_QUEUE));
1740 }
1741
1742 static inline void iwl_mvm_stop_device(struct iwl_mvm *mvm)
1743 {
1744         iwl_free_fw_paging(&mvm->fwrt);
1745         clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status);
1746         iwl_fw_dump_conf_clear(&mvm->fwrt);
1747         iwl_trans_stop_device(mvm->trans);
1748 }
1749
1750 /* Stop/start all mac queues in a given bitmap */
1751 void iwl_mvm_start_mac_queues(struct iwl_mvm *mvm, unsigned long mq);
1752 void iwl_mvm_stop_mac_queues(struct iwl_mvm *mvm, unsigned long mq);
1753
1754 /* Re-configure the SCD for a queue that has already been configured */
1755 int iwl_mvm_reconfig_scd(struct iwl_mvm *mvm, int queue, int fifo, int sta_id,
1756                          int tid, int frame_limit, u16 ssn);
1757
1758 /* Thermal management and CT-kill */
1759 void iwl_mvm_tt_tx_backoff(struct iwl_mvm *mvm, u32 backoff);
1760 void iwl_mvm_tt_temp_changed(struct iwl_mvm *mvm, u32 temp);
1761 void iwl_mvm_temp_notif(struct iwl_mvm *mvm,
1762                         struct iwl_rx_cmd_buffer *rxb);
1763 void iwl_mvm_tt_handler(struct iwl_mvm *mvm);
1764 void iwl_mvm_thermal_initialize(struct iwl_mvm *mvm, u32 min_backoff);
1765 void iwl_mvm_thermal_exit(struct iwl_mvm *mvm);
1766 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state);
1767 int iwl_mvm_get_temp(struct iwl_mvm *mvm, s32 *temp);
1768 void iwl_mvm_ct_kill_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1769 void iwl_mvm_enter_ctkill(struct iwl_mvm *mvm);
1770 int iwl_mvm_send_temp_report_ths_cmd(struct iwl_mvm *mvm);
1771 int iwl_mvm_ctdp_command(struct iwl_mvm *mvm, u32 op, u32 budget);
1772
1773 /* Location Aware Regulatory */
1774 struct iwl_mcc_update_resp *
1775 iwl_mvm_update_mcc(struct iwl_mvm *mvm, const char *alpha2,
1776                    enum iwl_mcc_source src_id);
1777 int iwl_mvm_init_mcc(struct iwl_mvm *mvm);
1778 void iwl_mvm_rx_chub_update_mcc(struct iwl_mvm *mvm,
1779                                 struct iwl_rx_cmd_buffer *rxb);
1780 struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy,
1781                                                   const char *alpha2,
1782                                                   enum iwl_mcc_source src_id,
1783                                                   bool *changed);
1784 struct ieee80211_regdomain *iwl_mvm_get_current_regdomain(struct iwl_mvm *mvm,
1785                                                           bool *changed);
1786 int iwl_mvm_init_fw_regd(struct iwl_mvm *mvm);
1787 void iwl_mvm_update_changed_regdom(struct iwl_mvm *mvm);
1788
1789 /* smart fifo */
1790 int iwl_mvm_sf_update(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1791                       bool added_vif);
1792
1793 /* TDLS */
1794
1795 /*
1796  * We use TID 4 (VI) as a FW-used-only TID when TDLS connections are present.
1797  * This TID is marked as used vs the AP and all connected TDLS peers.
1798  */
1799 #define IWL_MVM_TDLS_FW_TID 4
1800
1801 int iwl_mvm_tdls_sta_count(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1802 void iwl_mvm_teardown_tdls_peers(struct iwl_mvm *mvm);
1803 void iwl_mvm_recalc_tdls_state(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1804                                bool sta_added);
1805 void iwl_mvm_mac_mgd_protect_tdls_discover(struct ieee80211_hw *hw,
1806                                            struct ieee80211_vif *vif);
1807 int iwl_mvm_tdls_channel_switch(struct ieee80211_hw *hw,
1808                                 struct ieee80211_vif *vif,
1809                                 struct ieee80211_sta *sta, u8 oper_class,
1810                                 struct cfg80211_chan_def *chandef,
1811                                 struct sk_buff *tmpl_skb, u32 ch_sw_tm_ie);
1812 void iwl_mvm_tdls_recv_channel_switch(struct ieee80211_hw *hw,
1813                                       struct ieee80211_vif *vif,
1814                                       struct ieee80211_tdls_ch_sw_params *params);
1815 void iwl_mvm_tdls_cancel_channel_switch(struct ieee80211_hw *hw,
1816                                         struct ieee80211_vif *vif,
1817                                         struct ieee80211_sta *sta);
1818 void iwl_mvm_rx_tdls_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1819 void iwl_mvm_tdls_ch_switch_work(struct work_struct *work);
1820
1821 void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm *mvm,
1822                                      struct iwl_mvm_internal_rxq_notif *notif,
1823                                      u32 size);
1824 void iwl_mvm_reorder_timer_expired(unsigned long data);
1825 struct ieee80211_vif *iwl_mvm_get_bss_vif(struct iwl_mvm *mvm);
1826 bool iwl_mvm_is_vif_assoc(struct iwl_mvm *mvm);
1827
1828 void iwl_mvm_inactivity_check(struct iwl_mvm *mvm);
1829
1830 void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error);
1831 unsigned int iwl_mvm_get_wd_timeout(struct iwl_mvm *mvm,
1832                                     struct ieee80211_vif *vif,
1833                                     bool tdls, bool cmd_q);
1834 void iwl_mvm_connection_loss(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1835                              const char *errmsg);
1836
1837 /* Link Quality Measurement */
1838 int iwl_mvm_send_lqm_cmd(struct ieee80211_vif *vif,
1839                          enum iwl_lqm_cmd_operatrions operation,
1840                          u32 duration, u32 timeout);
1841 bool iwl_mvm_lqm_active(struct iwl_mvm *mvm);
1842
1843 int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a, int prof_b);
1844 int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm);
1845
1846 #endif /* __IWL_MVM_H__ */