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

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  64
  65 #ifndef __IWL_MVM_H__
  66 #define __IWL_MVM_H__
  67
  68 #include <linux/list.h>
  69 #include <linux/spinlock.h>
  70 #include <linux/leds.h>
  71 #include <linux/in6.h>
  72
  73 #ifdef CONFIG_THERMAL
  74 #include <linux/thermal.h>
  75 #endif
  76
  77 #include "iwl-op-mode.h"
  78 #include "iwl-trans.h"
  79 #include "fw/notif-wait.h"
  80 #include "iwl-eeprom-parse.h"
  81 #include "fw/file.h"
  82 #include "iwl-config.h"
  83 #include "sta.h"
  84 #include "fw-api.h"
  85 #include "constants.h"
  86 #include "tof.h"
  87 #include "fw/runtime.h"
  88 #include "fw/dbg.h"
  89 #include "fw/acpi.h"
  90 #include "iwl-nvm-parse.h"
  91
  92 #include <linux/average.h>
  93
  94 #define IWL_MVM_MAX_ADDRESSES           5
  95 /* RSSI offset for WkP */
  96 #define IWL_RSSI_OFFSET 50
  97 #define IWL_MVM_MISSED_BEACONS_THRESHOLD 8
  98 /* A TimeUnit is 1024 microsecond */
  99 #define MSEC_TO_TU(_msec)       (_msec*1000/1024)
 100
 101 /* For GO, this value represents the number of TUs before CSA "beacon
 102  * 0" TBTT when the CSA time-event needs to be scheduled to start.  It
 103  * must be big enough to ensure that we switch in time.
 104  */
 105 #define IWL_MVM_CHANNEL_SWITCH_TIME_GO          40
 106
 107 /* For client, this value represents the number of TUs before CSA
 108  * "beacon 1" TBTT, instead.  This is because we don't know when the
 109  * GO/AP will be in the new channel, so we switch early enough.
 110  */
 111 #define IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT      10
 112
 113 /*
 114  * This value (in TUs) is used to fine tune the CSA NoA end time which should
 115  * be just before "beacon 0" TBTT.
 116  */
 117 #define IWL_MVM_CHANNEL_SWITCH_MARGIN 4
 118
 119 /*
 120  * Number of beacons to transmit on a new channel until we unblock tx to
 121  * the stations, even if we didn't identify them on a new channel
 122  */
 123 #define IWL_MVM_CS_UNBLOCK_TX_TIMEOUT 3
 124
 125 /* offchannel queue towards mac80211 */
 126 #define IWL_MVM_OFFCHANNEL_QUEUE 0
 127
 128 extern const struct ieee80211_ops iwl_mvm_hw_ops;
 129
 130 /**
 131  * struct iwl_mvm_mod_params - module parameters for iwlmvm
 132  * @init_dbg: if true, then the NIC won't be stopped if the INIT fw asserted.
 133  *      We will register to mac80211 to have testmode working. The NIC must not
 134  *      be up'ed after the INIT fw asserted. This is useful to be able to use
 135  *      proprietary tools over testmode to debug the INIT fw.
 136  * @tfd_q_hang_detect: enabled the detection of hung transmit queues
 137  * @power_scheme: one of enum iwl_power_scheme
 138  */
 139 struct iwl_mvm_mod_params {
 140         bool init_dbg;
 141         bool tfd_q_hang_detect;
 142         int power_scheme;
 143 };
 144 extern struct iwl_mvm_mod_params iwlmvm_mod_params;
 145
 146 struct iwl_mvm_phy_ctxt {
 147         u16 id;
 148         u16 color;
 149         u32 ref;
 150
 151         enum nl80211_chan_width width;
 152
 153         /*
 154          * TODO: This should probably be removed. Currently here only for rate
 155          * scaling algorithm
 156          */
 157         struct ieee80211_channel *channel;
 158 };
 159
 160 struct iwl_mvm_time_event_data {
 161         struct ieee80211_vif *vif;
 162         struct list_head list;
 163         unsigned long end_jiffies;
 164         u32 duration;
 165         bool running;
 166         u32 uid;
 167
 168         /*
 169          * The access to the 'id' field must be done when the
 170          * mvm->time_event_lock is held, as it value is used to indicate
 171          * if the te is in the time event list or not (when id == TE_MAX)
 172          */
 173         u32 id;
 174 };
 175
 176  /* Power management */
 177
 178 /**
 179  * enum iwl_power_scheme
 180  * @IWL_POWER_LEVEL_CAM - Continuously Active Mode
 181  * @IWL_POWER_LEVEL_BPS - Balanced Power Save (default)
 182  * @IWL_POWER_LEVEL_LP  - Low Power
 183  */
 184 enum iwl_power_scheme {
 185         IWL_POWER_SCHEME_CAM = 1,
 186         IWL_POWER_SCHEME_BPS,
 187         IWL_POWER_SCHEME_LP
 188 };
 189
 190 #define IWL_CONN_MAX_LISTEN_INTERVAL    10
 191 #define IWL_UAPSD_MAX_SP                IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL
 192
 193 #ifdef CONFIG_IWLWIFI_DEBUGFS
 194 enum iwl_dbgfs_pm_mask {
 195         MVM_DEBUGFS_PM_KEEP_ALIVE = BIT(0),
 196         MVM_DEBUGFS_PM_SKIP_OVER_DTIM = BIT(1),
 197         MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS = BIT(2),
 198         MVM_DEBUGFS_PM_RX_DATA_TIMEOUT = BIT(3),
 199         MVM_DEBUGFS_PM_TX_DATA_TIMEOUT = BIT(4),
 200         MVM_DEBUGFS_PM_LPRX_ENA = BIT(6),
 201         MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD = BIT(7),
 202         MVM_DEBUGFS_PM_SNOOZE_ENABLE = BIT(8),
 203         MVM_DEBUGFS_PM_UAPSD_MISBEHAVING = BIT(9),
 204         MVM_DEBUGFS_PM_USE_PS_POLL = BIT(10),
 205 };
 206
 207 struct iwl_dbgfs_pm {
 208         u16 keep_alive_seconds;
 209         u32 rx_data_timeout;
 210         u32 tx_data_timeout;
 211         bool skip_over_dtim;
 212         u8 skip_dtim_periods;
 213         bool lprx_ena;
 214         u32 lprx_rssi_threshold;
 215         bool snooze_ena;
 216         bool uapsd_misbehaving;
 217         bool use_ps_poll;
 218         int mask;
 219 };
 220
 221 /* beacon filtering */
 222
 223 enum iwl_dbgfs_bf_mask {
 224         MVM_DEBUGFS_BF_ENERGY_DELTA = BIT(0),
 225         MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA = BIT(1),
 226         MVM_DEBUGFS_BF_ROAMING_STATE = BIT(2),
 227         MVM_DEBUGFS_BF_TEMP_THRESHOLD = BIT(3),
 228         MVM_DEBUGFS_BF_TEMP_FAST_FILTER = BIT(4),
 229         MVM_DEBUGFS_BF_TEMP_SLOW_FILTER = BIT(5),
 230         MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER = BIT(6),
 231         MVM_DEBUGFS_BF_DEBUG_FLAG = BIT(7),
 232         MVM_DEBUGFS_BF_ESCAPE_TIMER = BIT(8),
 233         MVM_DEBUGFS_BA_ESCAPE_TIMER = BIT(9),
 234         MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT = BIT(10),
 235 };
 236
 237 struct iwl_dbgfs_bf {
 238         u32 bf_energy_delta;
 239         u32 bf_roaming_energy_delta;
 240         u32 bf_roaming_state;
 241         u32 bf_temp_threshold;
 242         u32 bf_temp_fast_filter;
 243         u32 bf_temp_slow_filter;
 244         u32 bf_enable_beacon_filter;
 245         u32 bf_debug_flag;
 246         u32 bf_escape_timer;
 247         u32 ba_escape_timer;
 248         u32 ba_enable_beacon_abort;
 249         int mask;
 250 };
 251 #endif
 252
 253 enum iwl_mvm_smps_type_request {
 254         IWL_MVM_SMPS_REQ_BT_COEX,
 255         IWL_MVM_SMPS_REQ_TT,
 256         IWL_MVM_SMPS_REQ_PROT,
 257         NUM_IWL_MVM_SMPS_REQ,
 258 };
 259
 260 enum iwl_mvm_ref_type {
 261         IWL_MVM_REF_UCODE_DOWN,
 262         IWL_MVM_REF_SCAN,
 263         IWL_MVM_REF_ROC,
 264         IWL_MVM_REF_ROC_AUX,
 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         IWL_MVM_REF_INIT_UCODE,
 284         IWL_MVM_REF_SENDING_CMD,
 285         IWL_MVM_REF_RX,
 286
 287         /* update debugfs.c when changing this */
 288
 289         IWL_MVM_REF_COUNT,
 290 };
 291
 292 enum iwl_bt_force_ant_mode {
 293         BT_FORCE_ANT_DIS = 0,
 294         BT_FORCE_ANT_AUTO,
 295         BT_FORCE_ANT_BT,
 296         BT_FORCE_ANT_WIFI,
 297
 298         BT_FORCE_ANT_MAX,
 299 };
 300
 301 /**
 302 * struct iwl_mvm_low_latency_cause - low latency set causes
 303 * @LOW_LATENCY_TRAFFIC: indicates low latency traffic was detected
 304 * @LOW_LATENCY_DEBUGFS: low latency mode set from debugfs
 305 * @LOW_LATENCY_VCMD: low latency mode set from vendor command
 306 * @LOW_LATENCY_VIF_TYPE: low latency mode set because of vif type (ap)
 307 */
 308 enum iwl_mvm_low_latency_cause {
 309         LOW_LATENCY_TRAFFIC = BIT(0),
 310         LOW_LATENCY_DEBUGFS = BIT(1),
 311         LOW_LATENCY_VCMD = BIT(2),
 312         LOW_LATENCY_VIF_TYPE = BIT(3),
 313 };
 314
 315 /**
 316 * struct iwl_mvm_vif_bf_data - beacon filtering related data
 317 * @bf_enabled: indicates if beacon filtering is enabled
 318 * @ba_enabled: indicated if beacon abort is enabled
 319 * @ave_beacon_signal: average beacon signal
 320 * @last_cqm_event: rssi of the last cqm event
 321 * @bt_coex_min_thold: minimum threshold for BT coex
 322 * @bt_coex_max_thold: maximum threshold for BT coex
 323 * @last_bt_coex_event: rssi of the last BT coex event
 324 */
 325 struct iwl_mvm_vif_bf_data {
 326         bool bf_enabled;
 327         bool ba_enabled;
 328         int ave_beacon_signal;
 329         int last_cqm_event;
 330         int bt_coex_min_thold;
 331         int bt_coex_max_thold;
 332         int last_bt_coex_event;
 333 };
 334
 335 /**
 336  * struct iwl_probe_resp_data - data for NoA/CSA updates
 337  * @rcu_head: used for freeing the data on update
 338  * @notif: notification data
 339  * @noa_len: length of NoA attribute, calculated from the notification
 340  */
 341 struct iwl_probe_resp_data {
 342         struct rcu_head rcu_head;
 343         struct iwl_probe_resp_data_notif notif;
 344         int noa_len;
 345 };
 346
 347 /**
 348  * struct iwl_mvm_vif - data per Virtual Interface, it is a MAC context
 349  * @id: between 0 and 3
 350  * @color: to solve races upon MAC addition and removal
 351  * @ap_sta_id: the sta_id of the AP - valid only if VIF type is STA
 352  * @bssid: BSSID for this (client) interface
 353  * @associated: indicates that we're currently associated, used only for
 354  *      managing the firmware state in iwl_mvm_bss_info_changed_station()
 355  * @ap_assoc_sta_count: count of stations associated to us - valid only
 356  *      if VIF type is AP
 357  * @uploaded: indicates the MAC context has been added to the device
 358  * @ap_ibss_active: indicates that AP/IBSS is configured and that the interface
 359  *      should get quota etc.
 360  * @pm_enabled - Indicate if MAC power management is allowed
 361  * @monitor_active: indicates that monitor context is configured, and that the
 362  *      interface should get quota etc.
 363  * @low_latency: indicates low latency is set, see
 364  *      enum &iwl_mvm_low_latency_cause for causes.
 365  * @ps_disabled: indicates that this interface requires PS to be disabled
 366  * @queue_params: QoS params for this MAC
 367  * @bcast_sta: station used for broadcast packets. Used by the following
 368  *  vifs: P2P_DEVICE, GO and AP.
 369  * @beacon_skb: the skb used to hold the AP/GO beacon template
 370  * @smps_requests: the SMPS requests of different parts of the driver,
 371  *      combined on update to yield the overall request to mac80211.
 372  * @beacon_stats: beacon statistics, containing the # of received beacons,
 373  *      # of received beacons accumulated over FW restart, and the current
 374  *      average signal of beacons retrieved from the firmware
 375  * @csa_failed: CSA failed to schedule time event, report an error later
 376  * @features: hw features active for this vif
 377  * @probe_resp_data: data from FW notification to store NOA and CSA related
 378  *      data to be inserted into probe response.
 379  */
 380 struct iwl_mvm_vif {
 381         struct iwl_mvm *mvm;
 382         u16 id;
 383         u16 color;
 384         u8 ap_sta_id;
 385
 386         u8 bssid[ETH_ALEN];
 387         bool associated;
 388         u8 ap_assoc_sta_count;
 389
 390         u16 cab_queue;
 391
 392         bool uploaded;
 393         bool ap_ibss_active;
 394         bool pm_enabled;
 395         bool monitor_active;
 396         u8 low_latency;
 397         bool ps_disabled;
 398         struct iwl_mvm_vif_bf_data bf_data;
 399
 400         struct {
 401                 u32 num_beacons, accu_num_beacons;
 402                 u8 avg_signal;
 403         } beacon_stats;
 404
 405         u32 ap_beacon_time;
 406
 407         enum iwl_tsf_id tsf_id;
 408
 409         /*
 410          * QoS data from mac80211, need to store this here
 411          * as mac80211 has a separate callback but we need
 412          * to have the data for the MAC context
 413          */
 414         struct ieee80211_tx_queue_params queue_params[IEEE80211_NUM_ACS];
 415         struct iwl_mvm_time_event_data time_event_data;
 416         struct iwl_mvm_time_event_data hs_time_event_data;
 417
 418         struct iwl_mvm_int_sta bcast_sta;
 419         struct iwl_mvm_int_sta mcast_sta;
 420
 421         /*
 422          * Assigned while mac80211 has the interface in a channel context,
 423          * or, for P2P Device, while it exists.
 424          */
 425         struct iwl_mvm_phy_ctxt *phy_ctxt;
 426
 427 #ifdef CONFIG_PM
 428         /* WoWLAN GTK rekey data */
 429         struct {
 430                 u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN];
 431                 __le64 replay_ctr;
 432                 bool valid;
 433         } rekey_data;
 434
 435         int tx_key_idx;
 436
 437         bool seqno_valid;
 438         u16 seqno;
 439 #endif
 440
 441 #if IS_ENABLED(CONFIG_IPV6)
 442         /* IPv6 addresses for WoWLAN */
 443         struct in6_addr target_ipv6_addrs[IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_MAX];
 444         unsigned long tentative_addrs[BITS_TO_LONGS(IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_MAX)];
 445         int num_target_ipv6_addrs;
 446 #endif
 447
 448 #ifdef CONFIG_IWLWIFI_DEBUGFS
 449         struct dentry *dbgfs_dir;
 450         struct dentry *dbgfs_slink;
 451         struct iwl_dbgfs_pm dbgfs_pm;
 452         struct iwl_dbgfs_bf dbgfs_bf;
 453         struct iwl_mac_power_cmd mac_pwr_cmd;
 454         int dbgfs_quota_min;
 455 #endif
 456
 457         enum ieee80211_smps_mode smps_requests[NUM_IWL_MVM_SMPS_REQ];
 458
 459         /* FW identified misbehaving AP */
 460         u8 uapsd_misbehaving_bssid[ETH_ALEN];
 461
 462         struct delayed_work uapsd_nonagg_detected_wk;
 463
 464         /* Indicates that CSA countdown may be started */
 465         bool csa_countdown;
 466         bool csa_failed;
 467         u16 csa_target_freq;
 468
 469         /* Indicates that we are waiting for a beacon on a new channel */
 470         bool csa_bcn_pending;
 471
 472         /* TCP Checksum Offload */
 473         netdev_features_t features;
 474
 475         struct iwl_probe_resp_data __rcu *probe_resp_data;
 476         struct ieee80211_key_conf *ap_wep_key;
 477 };
 478
 479 static inline struct iwl_mvm_vif *
 480 iwl_mvm_vif_from_mac80211(struct ieee80211_vif *vif)
 481 {
 482         if (!vif)
 483                 return NULL;
 484         return (void *)vif->drv_priv;
 485 }
 486
 487 extern const u8 tid_to_mac80211_ac[];
 488
 489 #define IWL_MVM_SCAN_STOPPING_SHIFT     8
 490
 491 enum iwl_scan_status {
 492         IWL_MVM_SCAN_REGULAR            = BIT(0),
 493         IWL_MVM_SCAN_SCHED              = BIT(1),
 494         IWL_MVM_SCAN_NETDETECT          = BIT(2),
 495
 496         IWL_MVM_SCAN_STOPPING_REGULAR   = BIT(8),
 497         IWL_MVM_SCAN_STOPPING_SCHED     = BIT(9),
 498         IWL_MVM_SCAN_STOPPING_NETDETECT = BIT(10),
 499
 500         IWL_MVM_SCAN_REGULAR_MASK       = IWL_MVM_SCAN_REGULAR |
 501                                           IWL_MVM_SCAN_STOPPING_REGULAR,
 502         IWL_MVM_SCAN_SCHED_MASK         = IWL_MVM_SCAN_SCHED |
 503                                           IWL_MVM_SCAN_STOPPING_SCHED,
 504         IWL_MVM_SCAN_NETDETECT_MASK     = IWL_MVM_SCAN_NETDETECT |
 505                                           IWL_MVM_SCAN_STOPPING_NETDETECT,
 506
 507         IWL_MVM_SCAN_STOPPING_MASK      = 0xff << IWL_MVM_SCAN_STOPPING_SHIFT,
 508         IWL_MVM_SCAN_MASK               = 0xff,
 509 };
 510
 511 enum iwl_mvm_scan_type {
 512         IWL_SCAN_TYPE_NOT_SET,
 513         IWL_SCAN_TYPE_UNASSOC,
 514         IWL_SCAN_TYPE_WILD,
 515         IWL_SCAN_TYPE_MILD,
 516         IWL_SCAN_TYPE_FRAGMENTED,
 517         IWL_SCAN_TYPE_FAST_BALANCE,
 518 };
 519
 520 enum iwl_mvm_sched_scan_pass_all_states {
 521         SCHED_SCAN_PASS_ALL_DISABLED,
 522         SCHED_SCAN_PASS_ALL_ENABLED,
 523         SCHED_SCAN_PASS_ALL_FOUND,
 524 };
 525
 526 /**
 527  * struct iwl_mvm_tt_mgnt - Thermal Throttling Management structure
 528  * @ct_kill_exit: worker to exit thermal kill
 529  * @dynamic_smps: Is thermal throttling enabled dynamic_smps?
 530  * @tx_backoff: The current thremal throttling tx backoff in uSec.
 531  * @min_backoff: The minimal tx backoff due to power restrictions
 532  * @params: Parameters to configure the thermal throttling algorithm.
 533  * @throttle: Is thermal throttling is active?
 534  */
 535 struct iwl_mvm_tt_mgmt {
 536         struct delayed_work ct_kill_exit;
 537         bool dynamic_smps;
 538         u32 tx_backoff;
 539         u32 min_backoff;
 540         struct iwl_tt_params params;
 541         bool throttle;
 542 };
 543
 544 #ifdef CONFIG_THERMAL
 545 /**
 546  *struct iwl_mvm_thermal_device - thermal zone related data
 547  * @temp_trips: temperature thresholds for report
 548  * @fw_trips_index: keep indexes to original array - temp_trips
 549  * @tzone: thermal zone device data
 550 */
 551 struct iwl_mvm_thermal_device {
 552         s16 temp_trips[IWL_MAX_DTS_TRIPS];
 553         u8 fw_trips_index[IWL_MAX_DTS_TRIPS];
 554         struct thermal_zone_device *tzone;
 555 };
 556
 557 /*
 558  * struct iwl_mvm_cooling_device
 559  * @cur_state: current state
 560  * @cdev: struct thermal cooling device
 561  */
 562 struct iwl_mvm_cooling_device {
 563         u32 cur_state;
 564         struct thermal_cooling_device *cdev;
 565 };
 566 #endif
 567
 568 #define IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES 8
 569
 570 struct iwl_mvm_frame_stats {
 571         u32 legacy_frames;
 572         u32 ht_frames;
 573         u32 vht_frames;
 574         u32 bw_20_frames;
 575         u32 bw_40_frames;
 576         u32 bw_80_frames;
 577         u32 bw_160_frames;
 578         u32 sgi_frames;
 579         u32 ngi_frames;
 580         u32 siso_frames;
 581         u32 mimo2_frames;
 582         u32 agg_frames;
 583         u32 ampdu_count;
 584         u32 success_frames;
 585         u32 fail_frames;
 586         u32 last_rates[IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES];
 587         int last_frame_idx;
 588 };
 589
 590 enum {
 591         D0I3_DEFER_WAKEUP,
 592         D0I3_PENDING_WAKEUP,
 593 };
 594
 595 #define IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE 0xff
 596 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MIN -100
 597 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MAX 200
 598
 599 enum iwl_mvm_tdls_cs_state {
 600         IWL_MVM_TDLS_SW_IDLE = 0,
 601         IWL_MVM_TDLS_SW_REQ_SENT,
 602         IWL_MVM_TDLS_SW_RESP_RCVD,
 603         IWL_MVM_TDLS_SW_REQ_RCVD,
 604         IWL_MVM_TDLS_SW_ACTIVE,
 605 };
 606
 607 enum iwl_mvm_traffic_load {
 608         IWL_MVM_TRAFFIC_LOW,
 609         IWL_MVM_TRAFFIC_MEDIUM,
 610         IWL_MVM_TRAFFIC_HIGH,
 611 };
 612
 613 DECLARE_EWMA(rate, 16, 16)
 614
 615 struct iwl_mvm_tcm_mac {
 616         struct {
 617                 u32 pkts[IEEE80211_NUM_ACS];
 618                 u32 airtime;
 619         } tx;
 620         struct {
 621                 u32 pkts[IEEE80211_NUM_ACS];
 622                 u32 airtime;
 623                 u32 last_ampdu_ref;
 624         } rx;
 625         struct {
 626                 /* track AP's transfer in client mode */
 627                 u64 rx_bytes;
 628                 struct ewma_rate rate;
 629                 bool detected;
 630         } uapsd_nonagg_detect;
 631         bool opened_rx_ba_sessions;
 632 };
 633
 634 struct iwl_mvm_tcm {
 635         struct delayed_work work;
 636         spinlock_t lock; /* used when time elapsed */
 637         unsigned long ts; /* timestamp when period ends */
 638         unsigned long ll_ts;
 639         unsigned long uapsd_nonagg_ts;
 640         bool paused;
 641         struct iwl_mvm_tcm_mac data[NUM_MAC_INDEX_DRIVER];
 642         struct {
 643                 u32 elapsed; /* milliseconds for this TCM period */
 644                 u32 airtime[NUM_MAC_INDEX_DRIVER];
 645                 enum iwl_mvm_traffic_load load[NUM_MAC_INDEX_DRIVER];
 646                 enum iwl_mvm_traffic_load band_load[NUM_NL80211_BANDS];
 647                 enum iwl_mvm_traffic_load global_load;
 648                 bool low_latency[NUM_MAC_INDEX_DRIVER];
 649                 bool change[NUM_MAC_INDEX_DRIVER];
 650                 bool global_change;
 651         } result;
 652 };
 653
 654 /**
 655  * struct iwl_mvm_reorder_buffer - per ra/tid/queue reorder buffer
 656  * @head_sn: reorder window head sn
 657  * @num_stored: number of mpdus stored in the buffer
 658  * @buf_size: the reorder buffer size as set by the last addba request
 659  * @queue: queue of this reorder buffer
 660  * @last_amsdu: track last ASMDU SN for duplication detection
 661  * @last_sub_index: track ASMDU sub frame index for duplication detection
 662  * @reorder_timer: timer for frames are in the reorder buffer. For AMSDU
 663  *      it is the time of last received sub-frame
 664  * @removed: prevent timer re-arming
 665  * @valid: reordering is valid for this queue
 666  * @lock: protect reorder buffer internal state
 667  * @mvm: mvm pointer, needed for frame timer context
 668  */
 669 struct iwl_mvm_reorder_buffer {
 670         u16 head_sn;
 671         u16 num_stored;
 672         u16 buf_size;
 673         int queue;
 674         u16 last_amsdu;
 675         u8 last_sub_index;
 676         struct timer_list reorder_timer;
 677         bool removed;
 678         bool valid;
 679         spinlock_t lock;
 680         struct iwl_mvm *mvm;
 681 } ____cacheline_aligned_in_smp;
 682
 683 /**
 684  * struct _iwl_mvm_reorder_buf_entry - reorder buffer entry per-queue/per-seqno
 685  * @frames: list of skbs stored
 686  * @reorder_time: time the packet was stored in the reorder buffer
 687  */
 688 struct _iwl_mvm_reorder_buf_entry {
 689         struct sk_buff_head frames;
 690         unsigned long reorder_time;
 691 };
 692
 693 /* make this indirection to get the aligned thing */
 694 struct iwl_mvm_reorder_buf_entry {
 695         struct _iwl_mvm_reorder_buf_entry e;
 696 }
 697 #ifndef __CHECKER__
 698 /* sparse doesn't like this construct: "bad integer constant expression" */
 699 __aligned(roundup_pow_of_two(sizeof(struct _iwl_mvm_reorder_buf_entry)))
 700 #endif
 701 ;
 702
 703 /**
 704  * struct iwl_mvm_baid_data - BA session data
 705  * @sta_id: station id
 706  * @tid: tid of the session
 707  * @baid baid of the session
 708  * @timeout: the timeout set in the addba request
 709  * @entries_per_queue: # of buffers per queue, this actually gets
 710  *      aligned up to avoid cache line sharing between queues
 711  * @last_rx: last rx jiffies, updated only if timeout passed from last update
 712  * @session_timer: timer to check if BA session expired, runs at 2 * timeout
 713  * @mvm: mvm pointer, needed for timer context
 714  * @reorder_buf: reorder buffer, allocated per queue
 715  * @reorder_buf_data: data
 716  */
 717 struct iwl_mvm_baid_data {
 718         struct rcu_head rcu_head;
 719         u8 sta_id;
 720         u8 tid;
 721         u8 baid;
 722         u16 timeout;
 723         u16 entries_per_queue;
 724         unsigned long last_rx;
 725         struct timer_list session_timer;
 726         struct iwl_mvm_baid_data __rcu **rcu_ptr;
 727         struct iwl_mvm *mvm;
 728         struct iwl_mvm_reorder_buffer reorder_buf[IWL_MAX_RX_HW_QUEUES];
 729         struct iwl_mvm_reorder_buf_entry entries[];
 730 };
 731
 732 static inline struct iwl_mvm_baid_data *
 733 iwl_mvm_baid_data_from_reorder_buf(struct iwl_mvm_reorder_buffer *buf)
 734 {
 735         return (void *)((u8 *)buf -
 736                         offsetof(struct iwl_mvm_baid_data, reorder_buf) -
 737                         sizeof(*buf) * buf->queue);
 738 }
 739
 740 /*
 741  * enum iwl_mvm_queue_status - queue status
 742  * @IWL_MVM_QUEUE_FREE: the queue is not allocated nor reserved
 743  *      Basically, this means that this queue can be used for any purpose
 744  * @IWL_MVM_QUEUE_RESERVED: queue is reserved but not yet in use
 745  *      This is the state of a queue that has been dedicated for some RATID
 746  *      (agg'd or not), but that hasn't yet gone through the actual enablement
 747  *      of iwl_mvm_enable_txq(), and therefore no traffic can go through it yet.
 748  *      Note that in this state there is no requirement to already know what TID
 749  *      should be used with this queue, it is just marked as a queue that will
 750  *      be used, and shouldn't be allocated to anyone else.
 751  * @IWL_MVM_QUEUE_READY: queue is ready to be used
 752  *      This is the state of a queue that has been fully configured (including
 753  *      SCD pointers, etc), has a specific RA/TID assigned to it, and can be
 754  *      used to send traffic.
 755  * @IWL_MVM_QUEUE_SHARED: queue is shared, or in a process of becoming shared
 756  *      This is a state in which a single queue serves more than one TID, all of
 757  *      which are not aggregated. Note that the queue is only associated to one
 758  *      RA.
 759  */
 760 enum iwl_mvm_queue_status {
 761         IWL_MVM_QUEUE_FREE,
 762         IWL_MVM_QUEUE_RESERVED,
 763         IWL_MVM_QUEUE_READY,
 764         IWL_MVM_QUEUE_SHARED,
 765 };
 766
 767 #define IWL_MVM_DQA_QUEUE_TIMEOUT       (5 * HZ)
 768 #define IWL_MVM_INVALID_QUEUE           0xFFFF
 769
 770 #define IWL_MVM_NUM_CIPHERS             10
 771
 772 struct iwl_mvm_sar_profile {
 773         bool enabled;
 774         u8 table[ACPI_SAR_TABLE_SIZE];
 775 };
 776
 777 struct iwl_mvm_geo_profile {
 778         u8 values[ACPI_GEO_TABLE_SIZE];
 779 };
 780
 781 struct iwl_mvm_dqa_txq_info {
 782         u8 ra_sta_id; /* The RA this queue is mapped to, if exists */
 783         bool reserved; /* Is this the TXQ reserved for a STA */
 784         u8 mac80211_ac; /* The mac80211 AC this queue is mapped to */
 785         u8 txq_tid; /* The TID "owner" of this queue*/
 786         u16 tid_bitmap; /* Bitmap of the TIDs mapped to this queue */
 787         /* Timestamp for inactivation per TID of this queue */
 788         unsigned long last_frame_time[IWL_MAX_TID_COUNT + 1];
 789         enum iwl_mvm_queue_status status;
 790 };
 791
 792 struct iwl_mvm {
 793         /* for logger access */
 794         struct device *dev;
 795
 796         struct iwl_trans *trans;
 797         const struct iwl_fw *fw;
 798         const struct iwl_cfg *cfg;
 799         struct iwl_phy_db *phy_db;
 800         struct ieee80211_hw *hw;
 801
 802         /* for protecting access to iwl_mvm */
 803         struct mutex mutex;
 804         struct list_head async_handlers_list;
 805         spinlock_t async_handlers_lock;
 806         struct work_struct async_handlers_wk;
 807
 808         struct work_struct roc_done_wk;
 809
 810         unsigned long init_status;
 811
 812         unsigned long status;
 813
 814         u32 queue_sync_cookie;
 815         atomic_t queue_sync_counter;
 816         /*
 817          * for beacon filtering -
 818          * currently only one interface can be supported
 819          */
 820         struct iwl_mvm_vif *bf_allowed_vif;
 821
 822         bool hw_registered;
 823         bool calibrating;
 824         u32 error_event_table[2];
 825         u32 log_event_table;
 826         u32 umac_error_event_table;
 827         bool support_umac_log;
 828
 829         u32 ampdu_ref;
 830         bool ampdu_toggle;
 831
 832         struct iwl_notif_wait_data notif_wait;
 833
 834         union {
 835                 struct mvm_statistics_rx_v3 rx_stats_v3;
 836                 struct mvm_statistics_rx rx_stats;
 837         };
 838
 839         struct {
 840                 u64 rx_time;
 841                 u64 tx_time;
 842                 u64 on_time_rf;
 843                 u64 on_time_scan;
 844         } radio_stats, accu_radio_stats;
 845
 846         u16 hw_queue_to_mac80211[IWL_MAX_TVQM_QUEUES];
 847
 848         struct iwl_mvm_dqa_txq_info queue_info[IWL_MAX_HW_QUEUES];
 849         struct work_struct add_stream_wk; /* To add streams to queues */
 850
 851         atomic_t mac80211_queue_stop_count[IEEE80211_MAX_QUEUES];
 852
 853         const char *nvm_file_name;
 854         struct iwl_nvm_data *nvm_data;
 855         /* NVM sections */
 856         struct iwl_nvm_section nvm_sections[NVM_MAX_NUM_SECTIONS];
 857
 858         struct iwl_fw_runtime fwrt;
 859
 860         /* EEPROM MAC addresses */
 861         struct mac_address addresses[IWL_MVM_MAX_ADDRESSES];
 862
 863         /* data related to data path */
 864         struct iwl_rx_phy_info last_phy_info;
 865         struct ieee80211_sta __rcu *fw_id_to_mac_id[IWL_MVM_STATION_COUNT];
 866         unsigned long sta_deferred_frames[BITS_TO_LONGS(IWL_MVM_STATION_COUNT)];
 867         u8 rx_ba_sessions;
 868
 869         /* configured by mac80211 */
 870         u32 rts_threshold;
 871
 872         /* Scan status, cmd (pre-allocated) and auxiliary station */
 873         unsigned int scan_status;
 874         void *scan_cmd;
 875         struct iwl_mcast_filter_cmd *mcast_filter_cmd;
 876         /* For CDB this is low band scan type, for non-CDB - type. */
 877         enum iwl_mvm_scan_type scan_type;
 878         enum iwl_mvm_scan_type hb_scan_type;
 879
 880         enum iwl_mvm_sched_scan_pass_all_states sched_scan_pass_all;
 881         struct delayed_work scan_timeout_dwork;
 882
 883         /* max number of simultaneous scans the FW supports */
 884         unsigned int max_scans;
 885
 886         /* UMAC scan tracking */
 887         u32 scan_uid_status[IWL_MVM_MAX_UMAC_SCANS];
 888
 889         /* start time of last scan in TSF of the mac that requested the scan */
 890         u64 scan_start;
 891
 892         /* the vif that requested the current scan */
 893         struct iwl_mvm_vif *scan_vif;
 894
 895         /* rx chain antennas set through debugfs for the scan command */
 896         u8 scan_rx_ant;
 897
 898 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
 899         /* broadcast filters to configure for each associated station */
 900         const struct iwl_fw_bcast_filter *bcast_filters;
 901 #ifdef CONFIG_IWLWIFI_DEBUGFS
 902         struct {
 903                 bool override;
 904                 struct iwl_bcast_filter_cmd cmd;
 905         } dbgfs_bcast_filtering;
 906 #endif
 907 #endif
 908
 909         /* Internal station */
 910         struct iwl_mvm_int_sta aux_sta;
 911         struct iwl_mvm_int_sta snif_sta;
 912
 913         bool last_ebs_successful;
 914
 915         u8 scan_last_antenna_idx; /* to toggle TX between antennas */
 916         u8 mgmt_last_antenna_idx;
 917
 918         /* last smart fifo state that was successfully sent to firmware */
 919         enum iwl_sf_state sf_state;
 920
 921 #ifdef CONFIG_IWLWIFI_DEBUGFS
 922         struct dentry *debugfs_dir;
 923         u32 dbgfs_sram_offset, dbgfs_sram_len;
 924         u32 dbgfs_prph_reg_addr;
 925         bool disable_power_off;
 926         bool disable_power_off_d3;
 927
 928         bool scan_iter_notif_enabled;
 929
 930         struct debugfs_blob_wrapper nvm_hw_blob;
 931         struct debugfs_blob_wrapper nvm_sw_blob;
 932         struct debugfs_blob_wrapper nvm_calib_blob;
 933         struct debugfs_blob_wrapper nvm_prod_blob;
 934         struct debugfs_blob_wrapper nvm_phy_sku_blob;
 935
 936         struct iwl_mvm_frame_stats drv_rx_stats;
 937         spinlock_t drv_stats_lock;
 938         u16 dbgfs_rx_phyinfo;
 939 #endif
 940
 941         struct iwl_mvm_phy_ctxt phy_ctxts[NUM_PHY_CTX];
 942
 943         struct list_head time_event_list;
 944         spinlock_t time_event_lock;
 945
 946         /*
 947          * A bitmap indicating the index of the key in use. The firmware
 948          * can hold 16 keys at most. Reflect this fact.
 949          */
 950         unsigned long fw_key_table[BITS_TO_LONGS(STA_KEY_MAX_NUM)];
 951         u8 fw_key_deleted[STA_KEY_MAX_NUM];
 952
 953         /* references taken by the driver and spinlock protecting them */
 954         spinlock_t refs_lock;
 955         u8 refs[IWL_MVM_REF_COUNT];
 956
 957         u8 vif_count;
 958
 959         /* -1 for always, 0 for never, >0 for that many times */
 960         s8 fw_restart;
 961
 962 #ifdef CONFIG_IWLWIFI_LEDS
 963         struct led_classdev led;
 964 #endif
 965
 966         struct ieee80211_vif *p2p_device_vif;
 967
 968 #ifdef CONFIG_PM
 969         struct wiphy_wowlan_support wowlan;
 970         int gtk_ivlen, gtk_icvlen, ptk_ivlen, ptk_icvlen;
 971
 972         /* sched scan settings for net detect */
 973         struct ieee80211_scan_ies nd_ies;
 974         struct cfg80211_match_set *nd_match_sets;
 975         int n_nd_match_sets;
 976         struct ieee80211_channel **nd_channels;
 977         int n_nd_channels;
 978         bool net_detect;
 979 #ifdef CONFIG_IWLWIFI_DEBUGFS
 980         bool d3_wake_sysassert;
 981         bool d3_test_active;
 982         bool store_d3_resume_sram;
 983         void *d3_resume_sram;
 984         u32 d3_test_pme_ptr;
 985         struct ieee80211_vif *keep_vif;
 986         u32 last_netdetect_scans; /* no. of scans in the last net-detect wake */
 987 #endif
 988 #endif
 989
 990         /* d0i3 */
 991         u8 d0i3_ap_sta_id;
 992         bool d0i3_offloading;
 993         struct work_struct d0i3_exit_work;
 994         struct sk_buff_head d0i3_tx;
 995         /* protect d0i3_suspend_flags */
 996         struct mutex d0i3_suspend_mutex;
 997         unsigned long d0i3_suspend_flags;
 998         /* sync d0i3_tx queue and IWL_MVM_STATUS_IN_D0I3 status flag */
 999         spinlock_t d0i3_tx_lock;
1000         wait_queue_head_t d0i3_exit_waitq;
1001         wait_queue_head_t rx_sync_waitq;
1002
1003         /* BT-Coex */
1004         struct iwl_bt_coex_profile_notif last_bt_notif;
1005         struct iwl_bt_coex_ci_cmd last_bt_ci_cmd;
1006
1007         u8 bt_tx_prio;
1008         enum iwl_bt_force_ant_mode bt_force_ant_mode;
1009
1010         /* Aux ROC */
1011         struct list_head aux_roc_te_list;
1012
1013         /* Thermal Throttling and CTkill */
1014         struct iwl_mvm_tt_mgmt thermal_throttle;
1015 #ifdef CONFIG_THERMAL
1016         struct iwl_mvm_thermal_device tz_device;
1017         struct iwl_mvm_cooling_device cooling_dev;
1018 #endif
1019
1020         s32 temperature;        /* Celsius */
1021         /*
1022          * Debug option to set the NIC temperature. This option makes the
1023          * driver think this is the actual NIC temperature, and ignore the
1024          * real temperature that is received from the fw
1025          */
1026         bool temperature_test;  /* Debug test temperature is enabled */
1027
1028         unsigned long bt_coex_last_tcm_ts;
1029         struct iwl_mvm_tcm tcm;
1030
1031         u8 uapsd_noagg_bssid_write_idx;
1032         struct mac_address uapsd_noagg_bssids[IWL_MVM_UAPSD_NOAGG_BSSIDS_NUM]
1033                 __aligned(2);
1034
1035         struct iwl_time_quota_cmd last_quota_cmd;
1036
1037 #ifdef CONFIG_NL80211_TESTMODE
1038         u32 noa_duration;
1039         struct ieee80211_vif *noa_vif;
1040 #endif
1041
1042         /* Tx queues */
1043         u16 aux_queue;
1044         u16 snif_queue;
1045         u16 probe_queue;
1046         u16 p2p_dev_queue;
1047
1048         /* Indicate if device power save is allowed */
1049         u8 ps_disabled; /* u8 instead of bool to ease debugfs_create_* usage */
1050         unsigned int max_amsdu_len; /* used for debugfs only */
1051
1052         struct ieee80211_vif __rcu *csa_vif;
1053         struct ieee80211_vif __rcu *csa_tx_blocked_vif;
1054         u8 csa_tx_block_bcn_timeout;
1055
1056         /* system time of last beacon (for AP/GO interface) */
1057         u32 ap_last_beacon_gp2;
1058
1059         /* indicates that we transmitted the last beacon */
1060         bool ibss_manager;
1061
1062         bool lar_regdom_set;
1063         enum iwl_mcc_source mcc_src;
1064
1065         /* TDLS channel switch data */
1066         struct {
1067                 struct delayed_work dwork;
1068                 enum iwl_mvm_tdls_cs_state state;
1069
1070                 /*
1071                  * Current cs sta - might be different from periodic cs peer
1072                  * station. Value is meaningless when the cs-state is idle.
1073                  */
1074                 u8 cur_sta_id;
1075
1076                 /* TDLS periodic channel-switch peer */
1077                 struct {
1078                         u8 sta_id;
1079                         u8 op_class;
1080                         bool initiator; /* are we the link initiator */
1081                         struct cfg80211_chan_def chandef;
1082                         struct sk_buff *skb; /* ch sw template */
1083                         u32 ch_sw_tm_ie;
1084
1085                         /* timestamp of last ch-sw request sent (GP2 time) */
1086                         u32 sent_timestamp;
1087                 } peer;
1088         } tdls_cs;
1089
1090
1091         u32 ciphers[IWL_MVM_NUM_CIPHERS];
1092         struct ieee80211_cipher_scheme cs[IWL_UCODE_MAX_CS];
1093         struct iwl_mvm_tof_data tof_data;
1094
1095         struct ieee80211_vif *nan_vif;
1096 #define IWL_MAX_BAID    32
1097         struct iwl_mvm_baid_data __rcu *baid_map[IWL_MAX_BAID];
1098
1099         /*
1100          * Drop beacons from other APs in AP mode when there are no connected
1101          * clients.
1102          */
1103         bool drop_bcn_ap_mode;
1104
1105         struct delayed_work cs_tx_unblock_dwork;
1106
1107         /* does a monitor vif exist (only one can exist hence bool) */
1108         bool monitor_on;
1109 #ifdef CONFIG_ACPI
1110         struct iwl_mvm_sar_profile sar_profiles[ACPI_SAR_PROFILE_NUM];
1111         struct iwl_mvm_geo_profile geo_profiles[ACPI_NUM_GEO_PROFILES];
1112 #endif
1113 };
1114
1115 /* Extract MVM priv from op_mode and _hw */
1116 #define IWL_OP_MODE_GET_MVM(_iwl_op_mode)               \
1117         ((struct iwl_mvm *)(_iwl_op_mode)->op_mode_specific)
1118
1119 #define IWL_MAC80211_GET_MVM(_hw)                       \
1120         IWL_OP_MODE_GET_MVM((struct iwl_op_mode *)((_hw)->priv))
1121
1122 /**
1123  * enum iwl_mvm_status - MVM status bits
1124  * @IWL_MVM_STATUS_HW_RFKILL: HW RF-kill is asserted
1125  * @IWL_MVM_STATUS_HW_CTKILL: CT-kill is active
1126  * @IWL_MVM_STATUS_ROC_RUNNING: remain-on-channel is running
1127  * @IWL_MVM_STATUS_HW_RESTART_REQUESTED: HW restart was requested
1128  * @IWL_MVM_STATUS_IN_HW_RESTART: HW restart is active
1129  * @IWL_MVM_STATUS_IN_D0I3: NIC is in D0i3
1130  * @IWL_MVM_STATUS_ROC_AUX_RUNNING: AUX remain-on-channel is running
1131  * @IWL_MVM_STATUS_D3_RECONFIG: D3 reconfiguration is being done
1132  * @IWL_MVM_STATUS_FIRMWARE_RUNNING: firmware is running
1133  * @IWL_MVM_STATUS_NEED_FLUSH_P2P: need to flush P2P bcast STA
1134  */
1135 enum iwl_mvm_status {
1136         IWL_MVM_STATUS_HW_RFKILL,
1137         IWL_MVM_STATUS_HW_CTKILL,
1138         IWL_MVM_STATUS_ROC_RUNNING,
1139         IWL_MVM_STATUS_HW_RESTART_REQUESTED,
1140         IWL_MVM_STATUS_IN_HW_RESTART,
1141         IWL_MVM_STATUS_IN_D0I3,
1142         IWL_MVM_STATUS_ROC_AUX_RUNNING,
1143         IWL_MVM_STATUS_D3_RECONFIG,
1144         IWL_MVM_STATUS_FIRMWARE_RUNNING,
1145         IWL_MVM_STATUS_NEED_FLUSH_P2P,
1146 };
1147
1148 /* Keep track of completed init configuration */
1149 enum iwl_mvm_init_status {
1150         IWL_MVM_INIT_STATUS_THERMAL_INIT_COMPLETE = BIT(0),
1151         IWL_MVM_INIT_STATUS_LEDS_INIT_COMPLETE = BIT(1),
1152         IWL_MVM_INIT_STATUS_REG_HW_INIT_COMPLETE = BIT(2),
1153         IWL_MVM_INIT_STATUS_TOF_INIT_COMPLETE = BIT(3),
1154 };
1155
1156 static inline bool iwl_mvm_is_radio_killed(struct iwl_mvm *mvm)
1157 {
1158         return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status) ||
1159                test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
1160 }
1161
1162 static inline bool iwl_mvm_is_radio_hw_killed(struct iwl_mvm *mvm)
1163 {
1164         return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status);
1165 }
1166
1167 static inline bool iwl_mvm_firmware_running(struct iwl_mvm *mvm)
1168 {
1169         return test_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status);
1170 }
1171
1172 /* Must be called with rcu_read_lock() held and it can only be
1173  * released when mvmsta is not needed anymore.
1174  */
1175 static inline struct iwl_mvm_sta *
1176 iwl_mvm_sta_from_staid_rcu(struct iwl_mvm *mvm, u8 sta_id)
1177 {
1178         struct ieee80211_sta *sta;
1179
1180         if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
1181                 return NULL;
1182
1183         sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
1184
1185         /* This can happen if the station has been removed right now */
1186         if (IS_ERR_OR_NULL(sta))
1187                 return NULL;
1188
1189         return iwl_mvm_sta_from_mac80211(sta);
1190 }
1191
1192 static inline struct iwl_mvm_sta *
1193 iwl_mvm_sta_from_staid_protected(struct iwl_mvm *mvm, u8 sta_id)
1194 {
1195         struct ieee80211_sta *sta;
1196
1197         if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
1198                 return NULL;
1199
1200         sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id],
1201                                         lockdep_is_held(&mvm->mutex));
1202
1203         /* This can happen if the station has been removed right now */
1204         if (IS_ERR_OR_NULL(sta))
1205                 return NULL;
1206
1207         return iwl_mvm_sta_from_mac80211(sta);
1208 }
1209
1210 static inline bool iwl_mvm_is_d0i3_supported(struct iwl_mvm *mvm)
1211 {
1212         return !iwlwifi_mod_params.d0i3_disable &&
1213                 fw_has_capa(&mvm->fw->ucode_capa,
1214                             IWL_UCODE_TLV_CAPA_D0I3_SUPPORT);
1215 }
1216
1217 static inline bool iwl_mvm_is_adaptive_dwell_supported(struct iwl_mvm *mvm)
1218 {
1219         return fw_has_api(&mvm->fw->ucode_capa,
1220                           IWL_UCODE_TLV_API_ADAPTIVE_DWELL);
1221 }
1222
1223 static inline bool iwl_mvm_is_adaptive_dwell_v2_supported(struct iwl_mvm *mvm)
1224 {
1225         return fw_has_api(&mvm->fw->ucode_capa,
1226                           IWL_UCODE_TLV_API_ADAPTIVE_DWELL_V2);
1227 }
1228
1229 static inline bool iwl_mvm_is_oce_supported(struct iwl_mvm *mvm)
1230 {
1231         /* OCE should never be enabled for LMAC scan FWs */
1232         return fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_OCE);
1233 }
1234
1235 static inline bool iwl_mvm_is_frag_ebs_supported(struct iwl_mvm *mvm)
1236 {
1237         return fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_FRAG_EBS);
1238 }
1239
1240 static inline bool iwl_mvm_enter_d0i3_on_suspend(struct iwl_mvm *mvm)
1241 {
1242         /* For now we only use this mode to differentiate between
1243          * slave transports, which handle D0i3 entry in suspend by
1244          * themselves in conjunction with runtime PM D0i3.  So, this
1245          * function is used to check whether we need to do anything
1246          * when entering suspend or if the transport layer has already
1247          * done it.
1248          */
1249         return (mvm->trans->system_pm_mode == IWL_PLAT_PM_MODE_D0I3) &&
1250                 (mvm->trans->runtime_pm_mode != IWL_PLAT_PM_MODE_D0I3);
1251 }
1252
1253 static inline bool iwl_mvm_is_dqa_data_queue(struct iwl_mvm *mvm, u8 queue)
1254 {
1255         return (queue >= IWL_MVM_DQA_MIN_DATA_QUEUE) &&
1256                (queue <= IWL_MVM_DQA_MAX_DATA_QUEUE);
1257 }
1258
1259 static inline bool iwl_mvm_is_dqa_mgmt_queue(struct iwl_mvm *mvm, u8 queue)
1260 {
1261         return (queue >= IWL_MVM_DQA_MIN_MGMT_QUEUE) &&
1262                (queue <= IWL_MVM_DQA_MAX_MGMT_QUEUE);
1263 }
1264
1265 static inline bool iwl_mvm_is_lar_supported(struct iwl_mvm *mvm)
1266 {
1267         bool nvm_lar = mvm->nvm_data->lar_enabled;
1268         bool tlv_lar = fw_has_capa(&mvm->fw->ucode_capa,
1269                                    IWL_UCODE_TLV_CAPA_LAR_SUPPORT);
1270
1271         if (iwlwifi_mod_params.lar_disable)
1272                 return false;
1273
1274         /*
1275          * Enable LAR only if it is supported by the FW (TLV) &&
1276          * enabled in the NVM
1277          */
1278         if (mvm->cfg->nvm_type == IWL_NVM_EXT)
1279                 return nvm_lar && tlv_lar;
1280         else
1281                 return tlv_lar;
1282 }
1283
1284 static inline bool iwl_mvm_is_wifi_mcc_supported(struct iwl_mvm *mvm)
1285 {
1286         return fw_has_api(&mvm->fw->ucode_capa,
1287                           IWL_UCODE_TLV_API_WIFI_MCC_UPDATE) ||
1288                fw_has_capa(&mvm->fw->ucode_capa,
1289                            IWL_UCODE_TLV_CAPA_LAR_MULTI_MCC);
1290 }
1291
1292 static inline bool iwl_mvm_bt_is_rrc_supported(struct iwl_mvm *mvm)
1293 {
1294         return fw_has_capa(&mvm->fw->ucode_capa,
1295                            IWL_UCODE_TLV_CAPA_BT_COEX_RRC) &&
1296                 IWL_MVM_BT_COEX_RRC;
1297 }
1298
1299 static inline bool iwl_mvm_is_csum_supported(struct iwl_mvm *mvm)
1300 {
1301         return fw_has_capa(&mvm->fw->ucode_capa,
1302                            IWL_UCODE_TLV_CAPA_CSUM_SUPPORT) &&
1303                !IWL_MVM_HW_CSUM_DISABLE;
1304 }
1305
1306 static inline bool iwl_mvm_is_mplut_supported(struct iwl_mvm *mvm)
1307 {
1308         return fw_has_capa(&mvm->fw->ucode_capa,
1309                            IWL_UCODE_TLV_CAPA_BT_MPLUT_SUPPORT) &&
1310                 IWL_MVM_BT_COEX_MPLUT;
1311 }
1312
1313 static inline
1314 bool iwl_mvm_is_p2p_scm_uapsd_supported(struct iwl_mvm *mvm)
1315 {
1316         return fw_has_capa(&mvm->fw->ucode_capa,
1317                            IWL_UCODE_TLV_CAPA_P2P_SCM_UAPSD) &&
1318                 !(iwlwifi_mod_params.uapsd_disable &
1319                   IWL_DISABLE_UAPSD_P2P_CLIENT);
1320 }
1321
1322 static inline bool iwl_mvm_has_new_rx_api(struct iwl_mvm *mvm)
1323 {
1324         return fw_has_capa(&mvm->fw->ucode_capa,
1325                            IWL_UCODE_TLV_CAPA_MULTI_QUEUE_RX_SUPPORT);
1326 }
1327
1328 static inline bool iwl_mvm_has_new_tx_api(struct iwl_mvm *mvm)
1329 {
1330         /* TODO - replace with TLV once defined */
1331         return mvm->trans->cfg->use_tfh;
1332 }
1333
1334 static inline bool iwl_mvm_has_unified_ucode(struct iwl_mvm *mvm)
1335 {
1336         /* TODO - better define this */
1337         return mvm->trans->cfg->device_family >= IWL_DEVICE_FAMILY_22000;
1338 }
1339
1340 static inline bool iwl_mvm_is_cdb_supported(struct iwl_mvm *mvm)
1341 {
1342         /*
1343          * TODO:
1344          * The issue of how to determine CDB APIs and usage is still not fully
1345          * defined.
1346          * There is a compilation for CDB and non-CDB FW, but there may
1347          * be also runtime check.
1348          * For now there is a TLV for checking compilation mode, but a
1349          * runtime check will also have to be here - once defined.
1350          */
1351         return fw_has_capa(&mvm->fw->ucode_capa,
1352                            IWL_UCODE_TLV_CAPA_CDB_SUPPORT);
1353 }
1354
1355 static inline bool iwl_mvm_cdb_scan_api(struct iwl_mvm *mvm)
1356 {
1357         /*
1358          * TODO: should this be the same as iwl_mvm_is_cdb_supported()?
1359          * but then there's a little bit of code in scan that won't make
1360          * any sense...
1361          */
1362         return mvm->trans->cfg->device_family >= IWL_DEVICE_FAMILY_22000;
1363 }
1364
1365 static inline bool iwl_mvm_has_new_rx_stats_api(struct iwl_mvm *mvm)
1366 {
1367         return fw_has_api(&mvm->fw->ucode_capa,
1368                           IWL_UCODE_TLV_API_NEW_RX_STATS);
1369 }
1370
1371 static inline bool iwl_mvm_has_quota_low_latency(struct iwl_mvm *mvm)
1372 {
1373         return fw_has_api(&mvm->fw->ucode_capa,
1374                           IWL_UCODE_TLV_API_QUOTA_LOW_LATENCY);
1375 }
1376
1377 static inline bool iwl_mvm_has_tlc_offload(const struct iwl_mvm *mvm)
1378 {
1379         return fw_has_capa(&mvm->fw->ucode_capa,
1380                            IWL_UCODE_TLV_CAPA_TLC_OFFLOAD);
1381 }
1382
1383 static inline struct agg_tx_status *
1384 iwl_mvm_get_agg_status(struct iwl_mvm *mvm, void *tx_resp)
1385 {
1386         if (iwl_mvm_has_new_tx_api(mvm))
1387                 return &((struct iwl_mvm_tx_resp *)tx_resp)->status;
1388         else
1389                 return ((struct iwl_mvm_tx_resp_v3 *)tx_resp)->status;
1390 }
1391
1392 static inline bool iwl_mvm_is_tt_in_fw(struct iwl_mvm *mvm)
1393 {
1394 #ifdef CONFIG_THERMAL
1395         /* these two TLV are redundant since the responsibility to CT-kill by
1396          * FW happens only after we send at least one command of
1397          * temperature THs report.
1398          */
1399         return fw_has_capa(&mvm->fw->ucode_capa,
1400                            IWL_UCODE_TLV_CAPA_CT_KILL_BY_FW) &&
1401                fw_has_capa(&mvm->fw->ucode_capa,
1402                            IWL_UCODE_TLV_CAPA_TEMP_THS_REPORT_SUPPORT);
1403 #else /* CONFIG_THERMAL */
1404         return false;
1405 #endif /* CONFIG_THERMAL */
1406 }
1407
1408 static inline bool iwl_mvm_is_ctdp_supported(struct iwl_mvm *mvm)
1409 {
1410         return fw_has_capa(&mvm->fw->ucode_capa,
1411                            IWL_UCODE_TLV_CAPA_CTDP_SUPPORT);
1412 }
1413
1414 extern const u8 iwl_mvm_ac_to_tx_fifo[];
1415 extern const u8 iwl_mvm_ac_to_gen2_tx_fifo[];
1416
1417 static inline u8 iwl_mvm_mac_ac_to_tx_fifo(struct iwl_mvm *mvm,
1418                                            enum ieee80211_ac_numbers ac)
1419 {
1420         return iwl_mvm_has_new_tx_api(mvm) ?
1421                 iwl_mvm_ac_to_gen2_tx_fifo[ac] : iwl_mvm_ac_to_tx_fifo[ac];
1422 }
1423
1424 struct iwl_rate_info {
1425         u8 plcp;        /* uCode API:  IWL_RATE_6M_PLCP, etc. */
1426         u8 plcp_siso;   /* uCode API:  IWL_RATE_SISO_6M_PLCP, etc. */
1427         u8 plcp_mimo2;  /* uCode API:  IWL_RATE_MIMO2_6M_PLCP, etc. */
1428         u8 plcp_mimo3;  /* uCode API:  IWL_RATE_MIMO3_6M_PLCP, etc. */
1429         u8 ieee;        /* MAC header:  IWL_RATE_6M_IEEE, etc. */
1430 };
1431
1432 void __iwl_mvm_mac_stop(struct iwl_mvm *mvm);
1433 int __iwl_mvm_mac_start(struct iwl_mvm *mvm);
1434
1435 /******************
1436  * MVM Methods
1437  ******************/
1438 /* uCode */
1439 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm);
1440
1441 /* Utils */
1442 int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags,
1443                                         enum nl80211_band band);
1444 void iwl_mvm_hwrate_to_tx_rate(u32 rate_n_flags,
1445                                enum nl80211_band band,
1446                                struct ieee80211_tx_rate *r);
1447 u8 iwl_mvm_mac80211_idx_to_hwrate(int rate_idx);
1448 void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm);
1449 u8 first_antenna(u8 mask);
1450 u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx);
1451 void iwl_mvm_get_sync_time(struct iwl_mvm *mvm, u32 *gp2, u64 *boottime);
1452
1453 /* Tx / Host Commands */
1454 int __must_check iwl_mvm_send_cmd(struct iwl_mvm *mvm,
1455                                   struct iwl_host_cmd *cmd);
1456 int __must_check iwl_mvm_send_cmd_pdu(struct iwl_mvm *mvm, u32 id,
1457                                       u32 flags, u16 len, const void *data);
1458 int __must_check iwl_mvm_send_cmd_status(struct iwl_mvm *mvm,
1459                                          struct iwl_host_cmd *cmd,
1460                                          u32 *status);
1461 int __must_check iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u32 id,
1462                                              u16 len, const void *data,
1463                                              u32 *status);
1464 int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb,
1465                    struct ieee80211_sta *sta);
1466 int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb);
1467 void iwl_mvm_set_tx_cmd(struct iwl_mvm *mvm, struct sk_buff *skb,
1468                         struct iwl_tx_cmd *tx_cmd,
1469                         struct ieee80211_tx_info *info, u8 sta_id);
1470 void iwl_mvm_set_tx_cmd_rate(struct iwl_mvm *mvm, struct iwl_tx_cmd *tx_cmd,
1471                             struct ieee80211_tx_info *info,
1472                             struct ieee80211_sta *sta, __le16 fc);
1473 #ifdef CONFIG_IWLWIFI_DEBUG
1474 const char *iwl_mvm_get_tx_fail_reason(u32 status);
1475 #else
1476 static inline const char *iwl_mvm_get_tx_fail_reason(u32 status) { return ""; }
1477 #endif
1478 int iwl_mvm_flush_tx_path(struct iwl_mvm *mvm, u32 tfd_msk, u32 flags);
1479 int iwl_mvm_flush_sta(struct iwl_mvm *mvm, void *sta, bool internal, u32 flags);
1480 int iwl_mvm_flush_sta_tids(struct iwl_mvm *mvm, u32 sta_id,
1481                            u16 tids, u32 flags);
1482
1483 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm);
1484
1485 static inline void iwl_mvm_set_tx_cmd_ccmp(struct ieee80211_tx_info *info,
1486                                            struct iwl_tx_cmd *tx_cmd)
1487 {
1488         struct ieee80211_key_conf *keyconf = info->control.hw_key;
1489
1490         tx_cmd->sec_ctl = TX_CMD_SEC_CCM;
1491         memcpy(tx_cmd->key, keyconf->key, keyconf->keylen);
1492 }
1493
1494 static inline void iwl_mvm_wait_for_async_handlers(struct iwl_mvm *mvm)
1495 {
1496         flush_work(&mvm->async_handlers_wk);
1497 }
1498
1499 /* Statistics */
1500 void iwl_mvm_handle_rx_statistics(struct iwl_mvm *mvm,
1501                                   struct iwl_rx_packet *pkt);
1502 void iwl_mvm_rx_statistics(struct iwl_mvm *mvm,
1503                            struct iwl_rx_cmd_buffer *rxb);
1504 int iwl_mvm_request_statistics(struct iwl_mvm *mvm, bool clear);
1505 void iwl_mvm_accu_radio_stats(struct iwl_mvm *mvm);
1506
1507 /* NVM */
1508 int iwl_nvm_init(struct iwl_mvm *mvm);
1509 int iwl_mvm_load_nvm_to_nic(struct iwl_mvm *mvm);
1510
1511 static inline u8 iwl_mvm_get_valid_tx_ant(struct iwl_mvm *mvm)
1512 {
1513         return mvm->nvm_data && mvm->nvm_data->valid_tx_ant ?
1514                mvm->fw->valid_tx_ant & mvm->nvm_data->valid_tx_ant :
1515                mvm->fw->valid_tx_ant;
1516 }
1517
1518 static inline u8 iwl_mvm_get_valid_rx_ant(struct iwl_mvm *mvm)
1519 {
1520         return mvm->nvm_data && mvm->nvm_data->valid_rx_ant ?
1521                mvm->fw->valid_rx_ant & mvm->nvm_data->valid_rx_ant :
1522                mvm->fw->valid_rx_ant;
1523 }
1524
1525 static inline void iwl_mvm_toggle_tx_ant(struct iwl_mvm *mvm, u8 *ant)
1526 {
1527         *ant = iwl_mvm_next_antenna(mvm, iwl_mvm_get_valid_tx_ant(mvm), *ant);
1528 }
1529
1530 static inline u32 iwl_mvm_get_phy_config(struct iwl_mvm *mvm)
1531 {
1532         u32 phy_config = ~(FW_PHY_CFG_TX_CHAIN |
1533                            FW_PHY_CFG_RX_CHAIN);
1534         u32 valid_rx_ant = iwl_mvm_get_valid_rx_ant(mvm);
1535         u32 valid_tx_ant = iwl_mvm_get_valid_tx_ant(mvm);
1536
1537         phy_config |= valid_tx_ant << FW_PHY_CFG_TX_CHAIN_POS |
1538                       valid_rx_ant << FW_PHY_CFG_RX_CHAIN_POS;
1539
1540         return mvm->fw->phy_config & phy_config;
1541 }
1542
1543 int iwl_mvm_up(struct iwl_mvm *mvm);
1544 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm);
1545
1546 int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm);
1547 bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm,
1548                                     struct iwl_bcast_filter_cmd *cmd);
1549
1550 /*
1551  * FW notifications / CMD responses handlers
1552  * Convention: iwl_mvm_rx_<NAME OF THE CMD>
1553  */
1554 void iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1555 void iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct napi_struct *napi,
1556                         struct iwl_rx_cmd_buffer *rxb);
1557 void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi,
1558                         struct iwl_rx_cmd_buffer *rxb, int queue);
1559 void iwl_mvm_rx_monitor_ndp(struct iwl_mvm *mvm, struct napi_struct *napi,
1560                             struct iwl_rx_cmd_buffer *rxb, int queue);
1561 void iwl_mvm_rx_frame_release(struct iwl_mvm *mvm, struct napi_struct *napi,
1562                               struct iwl_rx_cmd_buffer *rxb, int queue);
1563 int iwl_mvm_notify_rx_queue(struct iwl_mvm *mvm, u32 rxq_mask,
1564                             const u8 *data, u32 count);
1565 void iwl_mvm_rx_queue_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1566                             int queue);
1567 void iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1568 void iwl_mvm_mfu_assert_dump_notif(struct iwl_mvm *mvm,
1569                                    struct iwl_rx_cmd_buffer *rxb);
1570 void iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1571 void iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm,
1572                                    struct iwl_rx_cmd_buffer *rxb);
1573 void iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1574 void iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
1575                                  struct iwl_rx_cmd_buffer *rxb);
1576 void iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm,
1577                              struct iwl_rx_cmd_buffer *rxb);
1578 void iwl_mvm_rx_shared_mem_cfg_notif(struct iwl_mvm *mvm,
1579                                      struct iwl_rx_cmd_buffer *rxb);
1580
1581 /* MVM PHY */
1582 int iwl_mvm_phy_ctxt_add(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
1583                          struct cfg80211_chan_def *chandef,
1584                          u8 chains_static, u8 chains_dynamic);
1585 int iwl_mvm_phy_ctxt_changed(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
1586                              struct cfg80211_chan_def *chandef,
1587                              u8 chains_static, u8 chains_dynamic);
1588 void iwl_mvm_phy_ctxt_ref(struct iwl_mvm *mvm,
1589                           struct iwl_mvm_phy_ctxt *ctxt);
1590 void iwl_mvm_phy_ctxt_unref(struct iwl_mvm *mvm,
1591                             struct iwl_mvm_phy_ctxt *ctxt);
1592 int iwl_mvm_phy_ctx_count(struct iwl_mvm *mvm);
1593 u8 iwl_mvm_get_channel_width(struct cfg80211_chan_def *chandef);
1594 u8 iwl_mvm_get_ctrl_pos(struct cfg80211_chan_def *chandef);
1595
1596 /* MAC (virtual interface) programming */
1597 int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1598 int iwl_mvm_mac_ctxt_add(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1599 int iwl_mvm_mac_ctxt_changed(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1600                              bool force_assoc_off, const u8 *bssid_override);
1601 int iwl_mvm_mac_ctxt_remove(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1602 u32 iwl_mvm_mac_get_queues_mask(struct ieee80211_vif *vif);
1603 int iwl_mvm_mac_ctxt_beacon_changed(struct iwl_mvm *mvm,
1604                                     struct ieee80211_vif *vif);
1605 void iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm,
1606                              struct iwl_rx_cmd_buffer *rxb);
1607 void iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm,
1608                                      struct iwl_rx_cmd_buffer *rxb);
1609 void iwl_mvm_rx_stored_beacon_notif(struct iwl_mvm *mvm,
1610                                     struct iwl_rx_cmd_buffer *rxb);
1611 void iwl_mvm_mu_mimo_grp_notif(struct iwl_mvm *mvm,
1612                                struct iwl_rx_cmd_buffer *rxb);
1613 void iwl_mvm_sta_pm_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1614 void iwl_mvm_window_status_notif(struct iwl_mvm *mvm,
1615                                  struct iwl_rx_cmd_buffer *rxb);
1616 void iwl_mvm_mac_ctxt_recalc_tsf_id(struct iwl_mvm *mvm,
1617                                     struct ieee80211_vif *vif);
1618 unsigned long iwl_mvm_get_used_hw_queues(struct iwl_mvm *mvm,
1619                                          struct ieee80211_vif *exclude_vif);
1620 void iwl_mvm_probe_resp_data_notif(struct iwl_mvm *mvm,
1621                                    struct iwl_rx_cmd_buffer *rxb);
1622 void iwl_mvm_channel_switch_noa_notif(struct iwl_mvm *mvm,
1623                                       struct iwl_rx_cmd_buffer *rxb);
1624 /* Bindings */
1625 int iwl_mvm_binding_add_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1626 int iwl_mvm_binding_remove_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1627
1628 /* Quota management */
1629 static inline size_t iwl_mvm_quota_cmd_size(struct iwl_mvm *mvm)
1630 {
1631         return iwl_mvm_has_quota_low_latency(mvm) ?
1632                 sizeof(struct iwl_time_quota_cmd) :
1633                 sizeof(struct iwl_time_quota_cmd_v1);
1634 }
1635
1636 static inline struct iwl_time_quota_data
1637 *iwl_mvm_quota_cmd_get_quota(struct iwl_mvm *mvm,
1638                              struct iwl_time_quota_cmd *cmd,
1639                              int i)
1640 {
1641         struct iwl_time_quota_data_v1 *quotas;
1642
1643         if (iwl_mvm_has_quota_low_latency(mvm))
1644                 return &cmd->quotas[i];
1645
1646         quotas = (struct iwl_time_quota_data_v1 *)cmd->quotas;
1647         return (struct iwl_time_quota_data *)&quotas[i];
1648 }
1649
1650 int iwl_mvm_update_quotas(struct iwl_mvm *mvm, bool force_upload,
1651                           struct ieee80211_vif *disabled_vif);
1652
1653 /* Scanning */
1654 int iwl_mvm_reg_scan_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1655                            struct cfg80211_scan_request *req,
1656                            struct ieee80211_scan_ies *ies);
1657 int iwl_mvm_scan_size(struct iwl_mvm *mvm);
1658 int iwl_mvm_scan_stop(struct iwl_mvm *mvm, int type, bool notify);
1659 int iwl_mvm_max_scan_ie_len(struct iwl_mvm *mvm);
1660 void iwl_mvm_report_scan_aborted(struct iwl_mvm *mvm);
1661 void iwl_mvm_scan_timeout_wk(struct work_struct *work);
1662
1663 /* Scheduled scan */
1664 void iwl_mvm_rx_lmac_scan_complete_notif(struct iwl_mvm *mvm,
1665                                          struct iwl_rx_cmd_buffer *rxb);
1666 void iwl_mvm_rx_lmac_scan_iter_complete_notif(struct iwl_mvm *mvm,
1667                                               struct iwl_rx_cmd_buffer *rxb);
1668 int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm,
1669                              struct ieee80211_vif *vif,
1670                              struct cfg80211_sched_scan_request *req,
1671                              struct ieee80211_scan_ies *ies,
1672                              int type);
1673 void iwl_mvm_rx_scan_match_found(struct iwl_mvm *mvm,
1674                                  struct iwl_rx_cmd_buffer *rxb);
1675
1676 /* UMAC scan */
1677 int iwl_mvm_config_scan(struct iwl_mvm *mvm);
1678 void iwl_mvm_rx_umac_scan_complete_notif(struct iwl_mvm *mvm,
1679                                          struct iwl_rx_cmd_buffer *rxb);
1680 void iwl_mvm_rx_umac_scan_iter_complete_notif(struct iwl_mvm *mvm,
1681                                               struct iwl_rx_cmd_buffer *rxb);
1682
1683 /* MVM debugfs */
1684 #ifdef CONFIG_IWLWIFI_DEBUGFS
1685 int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir);
1686 void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1687 void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1688 #else
1689 static inline int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm,
1690                                          struct dentry *dbgfs_dir)
1691 {
1692         return 0;
1693 }
1694 static inline void
1695 iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1696 {
1697 }
1698 static inline void
1699 iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1700 {
1701 }
1702 #endif /* CONFIG_IWLWIFI_DEBUGFS */
1703
1704 /* rate scaling */
1705 int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool sync);
1706 void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm, u32 rate, bool agg);
1707 int rs_pretty_print_rate(char *buf, int bufsz, const u32 rate);
1708 void rs_update_last_rssi(struct iwl_mvm *mvm,
1709                          struct iwl_mvm_sta *mvmsta,
1710                          struct ieee80211_rx_status *rx_status);
1711
1712 /* power management */
1713 int iwl_mvm_power_update_device(struct iwl_mvm *mvm);
1714 int iwl_mvm_power_update_mac(struct iwl_mvm *mvm);
1715 int iwl_mvm_power_update_ps(struct iwl_mvm *mvm);
1716 int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1717                                  char *buf, int bufsz);
1718
1719 void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1720 void iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm,
1721                                               struct iwl_rx_cmd_buffer *rxb);
1722
1723 #ifdef CONFIG_IWLWIFI_LEDS
1724 int iwl_mvm_leds_init(struct iwl_mvm *mvm);
1725 void iwl_mvm_leds_exit(struct iwl_mvm *mvm);
1726 void iwl_mvm_leds_sync(struct iwl_mvm *mvm);
1727 #else
1728 static inline int iwl_mvm_leds_init(struct iwl_mvm *mvm)
1729 {
1730         return 0;
1731 }
1732 static inline void iwl_mvm_leds_exit(struct iwl_mvm *mvm)
1733 {
1734 }
1735 static inline void iwl_mvm_leds_sync(struct iwl_mvm *mvm)
1736 {
1737 }
1738 #endif
1739
1740 /* D3 (WoWLAN, NetDetect) */
1741 int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan);
1742 int iwl_mvm_resume(struct ieee80211_hw *hw);
1743 void iwl_mvm_set_wakeup(struct ieee80211_hw *hw, bool enabled);
1744 void iwl_mvm_set_rekey_data(struct ieee80211_hw *hw,
1745                             struct ieee80211_vif *vif,
1746                             struct cfg80211_gtk_rekey_data *data);
1747 void iwl_mvm_ipv6_addr_change(struct ieee80211_hw *hw,
1748                               struct ieee80211_vif *vif,
1749                               struct inet6_dev *idev);
1750 void iwl_mvm_set_default_unicast_key(struct ieee80211_hw *hw,
1751                                      struct ieee80211_vif *vif, int idx);
1752 extern const struct file_operations iwl_dbgfs_d3_test_ops;
1753 struct iwl_wowlan_status *iwl_mvm_send_wowlan_get_status(struct iwl_mvm *mvm);
1754 #ifdef CONFIG_PM
1755 int iwl_mvm_wowlan_config_key_params(struct iwl_mvm *mvm,
1756                                      struct ieee80211_vif *vif,
1757                                      bool host_awake,
1758                                      u32 cmd_flags);
1759 void iwl_mvm_d0i3_update_keys(struct iwl_mvm *mvm,
1760                               struct ieee80211_vif *vif,
1761                               struct iwl_wowlan_status *status);
1762 void iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm,
1763                                  struct ieee80211_vif *vif);
1764 #else
1765 static inline int iwl_mvm_wowlan_config_key_params(struct iwl_mvm *mvm,
1766                                                    struct ieee80211_vif *vif,
1767                                                    bool host_awake,
1768                                                    u32 cmd_flags)
1769 {
1770         return 0;
1771 }
1772
1773 static inline void iwl_mvm_d0i3_update_keys(struct iwl_mvm *mvm,
1774                                             struct ieee80211_vif *vif,
1775                                             struct iwl_wowlan_status *status)
1776 {
1777 }
1778
1779 static inline void
1780 iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1781 {
1782 }
1783 #endif
1784 void iwl_mvm_set_wowlan_qos_seq(struct iwl_mvm_sta *mvm_ap_sta,
1785                                 struct iwl_wowlan_config_cmd *cmd);
1786 int iwl_mvm_send_proto_offload(struct iwl_mvm *mvm,
1787                                struct ieee80211_vif *vif,
1788                                bool disable_offloading,
1789                                bool offload_ns,
1790                                u32 cmd_flags);
1791
1792 /* D0i3 */
1793 void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1794 void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1795 int iwl_mvm_ref_sync(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1796 bool iwl_mvm_ref_taken(struct iwl_mvm *mvm);
1797
1798 #ifdef CONFIG_PM
1799 void iwl_mvm_d0i3_enable_tx(struct iwl_mvm *mvm, __le16 *qos_seq);
1800 int iwl_mvm_enter_d0i3(struct iwl_op_mode *op_mode);
1801 int iwl_mvm_exit_d0i3(struct iwl_op_mode *op_mode);
1802 int _iwl_mvm_exit_d0i3(struct iwl_mvm *mvm);
1803 #endif
1804
1805 /* BT Coex */
1806 int iwl_mvm_send_bt_init_conf(struct iwl_mvm *mvm);
1807 void iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm,
1808                               struct iwl_rx_cmd_buffer *rxb);
1809 void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1810                            enum ieee80211_rssi_event_data);
1811 void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm);
1812 u16 iwl_mvm_coex_agg_time_limit(struct iwl_mvm *mvm,
1813                                 struct ieee80211_sta *sta);
1814 bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm,
1815                                      struct ieee80211_sta *sta);
1816 bool iwl_mvm_bt_coex_is_ant_avail(struct iwl_mvm *mvm, u8 ant);
1817 bool iwl_mvm_bt_coex_is_shared_ant_avail(struct iwl_mvm *mvm);
1818 bool iwl_mvm_bt_coex_is_tpc_allowed(struct iwl_mvm *mvm,
1819                                     enum nl80211_band band);
1820 u8 iwl_mvm_bt_coex_get_single_ant_msk(struct iwl_mvm *mvm, u8 enabled_ants);
1821 u8 iwl_mvm_bt_coex_tx_prio(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr,
1822                            struct ieee80211_tx_info *info, u8 ac);
1823
1824 /* beacon filtering */
1825 #ifdef CONFIG_IWLWIFI_DEBUGFS
1826 void
1827 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1828                                          struct iwl_beacon_filter_cmd *cmd);
1829 #else
1830 static inline void
1831 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1832                                          struct iwl_beacon_filter_cmd *cmd)
1833 {}
1834 #endif
1835 int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm,
1836                                    struct ieee80211_vif *vif,
1837                                    bool enable, u32 flags);
1838 int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
1839                                  struct ieee80211_vif *vif,
1840                                  u32 flags);
1841 int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
1842                                   struct ieee80211_vif *vif,
1843                                   u32 flags);
1844 /* SMPS */
1845 void iwl_mvm_update_smps(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1846                                 enum iwl_mvm_smps_type_request req_type,
1847                                 enum ieee80211_smps_mode smps_request);
1848 bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm *mvm);
1849
1850 /* Low latency */
1851 int iwl_mvm_update_low_latency(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1852                               bool low_latency,
1853                               enum iwl_mvm_low_latency_cause cause);
1854 /* get SystemLowLatencyMode - only needed for beacon threshold? */
1855 bool iwl_mvm_low_latency(struct iwl_mvm *mvm);
1856 bool iwl_mvm_low_latency_band(struct iwl_mvm *mvm, enum nl80211_band band);
1857 void iwl_mvm_send_low_latency_cmd(struct iwl_mvm *mvm, bool low_latency,
1858                                   u16 mac_id);
1859
1860 /* get VMACLowLatencyMode */
1861 static inline bool iwl_mvm_vif_low_latency(struct iwl_mvm_vif *mvmvif)
1862 {
1863         /*
1864          * should this consider associated/active/... state?
1865          *
1866          * Normally low-latency should only be active on interfaces
1867          * that are active, but at least with debugfs it can also be
1868          * enabled on interfaces that aren't active. However, when
1869          * interface aren't active then they aren't added into the
1870          * binding, so this has no real impact. For now, just return
1871          * the current desired low-latency state.
1872          */
1873         return mvmvif->low_latency;
1874 }
1875
1876 static inline
1877 void iwl_mvm_vif_set_low_latency(struct iwl_mvm_vif *mvmvif, bool set,
1878                                  enum iwl_mvm_low_latency_cause cause)
1879 {
1880         if (set)
1881                 mvmvif->low_latency |= cause;
1882         else
1883                 mvmvif->low_latency &= ~cause;
1884 }
1885
1886 /* Return a bitmask with all the hw supported queues, except for the
1887  * command queue, which can't be flushed.
1888  */
1889 static inline u32 iwl_mvm_flushable_queues(struct iwl_mvm *mvm)
1890 {
1891         return ((BIT(mvm->cfg->base_params->num_of_queues) - 1) &
1892                 ~BIT(IWL_MVM_DQA_CMD_QUEUE));
1893 }
1894
1895 static inline void iwl_mvm_stop_device(struct iwl_mvm *mvm)
1896 {
1897         lockdep_assert_held(&mvm->mutex);
1898         /* calling this function without using dump_start/end since at this
1899          * point we already hold the op mode mutex
1900          */
1901         iwl_fw_dbg_collect_sync(&mvm->fwrt);
1902         iwl_fw_cancel_timestamp(&mvm->fwrt);
1903         iwl_free_fw_paging(&mvm->fwrt);
1904         clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status);
1905         iwl_fw_dump_conf_clear(&mvm->fwrt);
1906         iwl_trans_stop_device(mvm->trans);
1907 }
1908
1909 /* Stop/start all mac queues in a given bitmap */
1910 void iwl_mvm_start_mac_queues(struct iwl_mvm *mvm, unsigned long mq);
1911 void iwl_mvm_stop_mac_queues(struct iwl_mvm *mvm, unsigned long mq);
1912
1913 /* Re-configure the SCD for a queue that has already been configured */
1914 int iwl_mvm_reconfig_scd(struct iwl_mvm *mvm, int queue, int fifo, int sta_id,
1915                          int tid, int frame_limit, u16 ssn);
1916
1917 /* Thermal management and CT-kill */
1918 void iwl_mvm_tt_tx_backoff(struct iwl_mvm *mvm, u32 backoff);
1919 void iwl_mvm_tt_temp_changed(struct iwl_mvm *mvm, u32 temp);
1920 void iwl_mvm_temp_notif(struct iwl_mvm *mvm,
1921                         struct iwl_rx_cmd_buffer *rxb);
1922 void iwl_mvm_tt_handler(struct iwl_mvm *mvm);
1923 void iwl_mvm_thermal_initialize(struct iwl_mvm *mvm, u32 min_backoff);
1924 void iwl_mvm_thermal_exit(struct iwl_mvm *mvm);
1925 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state);
1926 int iwl_mvm_get_temp(struct iwl_mvm *mvm, s32 *temp);
1927 void iwl_mvm_ct_kill_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1928 void iwl_mvm_enter_ctkill(struct iwl_mvm *mvm);
1929 int iwl_mvm_send_temp_report_ths_cmd(struct iwl_mvm *mvm);
1930 int iwl_mvm_ctdp_command(struct iwl_mvm *mvm, u32 op, u32 budget);
1931
1932 /* Location Aware Regulatory */
1933 struct iwl_mcc_update_resp *
1934 iwl_mvm_update_mcc(struct iwl_mvm *mvm, const char *alpha2,
1935                    enum iwl_mcc_source src_id);
1936 int iwl_mvm_init_mcc(struct iwl_mvm *mvm);
1937 void iwl_mvm_rx_chub_update_mcc(struct iwl_mvm *mvm,
1938                                 struct iwl_rx_cmd_buffer *rxb);
1939 struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy,
1940                                                   const char *alpha2,
1941                                                   enum iwl_mcc_source src_id,
1942                                                   bool *changed);
1943 struct ieee80211_regdomain *iwl_mvm_get_current_regdomain(struct iwl_mvm *mvm,
1944                                                           bool *changed);
1945 int iwl_mvm_init_fw_regd(struct iwl_mvm *mvm);
1946 void iwl_mvm_update_changed_regdom(struct iwl_mvm *mvm);
1947
1948 /* smart fifo */
1949 int iwl_mvm_sf_update(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1950                       bool added_vif);
1951
1952 /* TDLS */
1953
1954 /*
1955  * We use TID 4 (VI) as a FW-used-only TID when TDLS connections are present.
1956  * This TID is marked as used vs the AP and all connected TDLS peers.
1957  */
1958 #define IWL_MVM_TDLS_FW_TID 4
1959
1960 int iwl_mvm_tdls_sta_count(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1961 void iwl_mvm_teardown_tdls_peers(struct iwl_mvm *mvm);
1962 void iwl_mvm_recalc_tdls_state(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1963                                bool sta_added);
1964 void iwl_mvm_mac_mgd_protect_tdls_discover(struct ieee80211_hw *hw,
1965                                            struct ieee80211_vif *vif);
1966 int iwl_mvm_tdls_channel_switch(struct ieee80211_hw *hw,
1967                                 struct ieee80211_vif *vif,
1968                                 struct ieee80211_sta *sta, u8 oper_class,
1969                                 struct cfg80211_chan_def *chandef,
1970                                 struct sk_buff *tmpl_skb, u32 ch_sw_tm_ie);
1971 void iwl_mvm_tdls_recv_channel_switch(struct ieee80211_hw *hw,
1972                                       struct ieee80211_vif *vif,
1973                                       struct ieee80211_tdls_ch_sw_params *params);
1974 void iwl_mvm_tdls_cancel_channel_switch(struct ieee80211_hw *hw,
1975                                         struct ieee80211_vif *vif,
1976                                         struct ieee80211_sta *sta);
1977 void iwl_mvm_rx_tdls_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1978 void iwl_mvm_tdls_ch_switch_work(struct work_struct *work);
1979
1980 void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm *mvm,
1981                                      struct iwl_mvm_internal_rxq_notif *notif,
1982                                      u32 size);
1983 void iwl_mvm_reorder_timer_expired(struct timer_list *t);
1984 struct ieee80211_vif *iwl_mvm_get_bss_vif(struct iwl_mvm *mvm);
1985 bool iwl_mvm_is_vif_assoc(struct iwl_mvm *mvm);
1986
1987 #define MVM_TCM_PERIOD_MSEC 500
1988 #define MVM_TCM_PERIOD (HZ * MVM_TCM_PERIOD_MSEC / 1000)
1989 #define MVM_LL_PERIOD (10 * HZ)
1990 void iwl_mvm_tcm_work(struct work_struct *work);
1991 void iwl_mvm_recalc_tcm(struct iwl_mvm *mvm);
1992 void iwl_mvm_pause_tcm(struct iwl_mvm *mvm, bool with_cancel);
1993 void iwl_mvm_resume_tcm(struct iwl_mvm *mvm);
1994 void iwl_mvm_tcm_add_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1995 void iwl_mvm_tcm_rm_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1996 u8 iwl_mvm_tcm_load_percentage(u32 airtime, u32 elapsed);
1997
1998 void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error);
1999 unsigned int iwl_mvm_get_wd_timeout(struct iwl_mvm *mvm,
2000                                     struct ieee80211_vif *vif,
2001                                     bool tdls, bool cmd_q);
2002 void iwl_mvm_connection_loss(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
2003                              const char *errmsg);
2004 void iwl_mvm_event_frame_timeout_callback(struct iwl_mvm *mvm,
2005                                           struct ieee80211_vif *vif,
2006                                           const struct ieee80211_sta *sta,
2007                                           u16 tid);
2008
2009 int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a, int prof_b);
2010 int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm);
2011 #ifdef CONFIG_IWLWIFI_DEBUGFS
2012 void iwl_mvm_sta_add_debugfs(struct ieee80211_hw *hw,
2013                              struct ieee80211_vif *vif,
2014                              struct ieee80211_sta *sta,
2015                              struct dentry *dir);
2016 #endif
2017
2018 #endif /* __IWL_MVM_H__ */