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

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  10  * Copyright(c) 2016        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 "iwl-notif-wait.h"
  83 #include "iwl-eeprom-parse.h"
  84 #include "iwl-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
  91 #define IWL_MVM_MAX_ADDRESSES           5
  92 /* RSSI offset for WkP */
  93 #define IWL_RSSI_OFFSET 50
  94 #define IWL_MVM_MISSED_BEACONS_THRESHOLD 8
  95 /* A TimeUnit is 1024 microsecond */
  96 #define MSEC_TO_TU(_msec)       (_msec*1000/1024)
  97
  98 /* For GO, this value represents the number of TUs before CSA "beacon
  99  * 0" TBTT when the CSA time-event needs to be scheduled to start.  It
 100  * must be big enough to ensure that we switch in time.
 101  */
 102 #define IWL_MVM_CHANNEL_SWITCH_TIME_GO          40
 103
 104 /* For client, this value represents the number of TUs before CSA
 105  * "beacon 1" TBTT, instead.  This is because we don't know when the
 106  * GO/AP will be in the new channel, so we switch early enough.
 107  */
 108 #define IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT      10
 109
 110 /*
 111  * This value (in TUs) is used to fine tune the CSA NoA end time which should
 112  * be just before "beacon 0" TBTT.
 113  */
 114 #define IWL_MVM_CHANNEL_SWITCH_MARGIN 4
 115
 116 /*
 117  * Number of beacons to transmit on a new channel until we unblock tx to
 118  * the stations, even if we didn't identify them on a new channel
 119  */
 120 #define IWL_MVM_CS_UNBLOCK_TX_TIMEOUT 3
 121
 122 extern const struct ieee80211_ops iwl_mvm_hw_ops;
 123
 124 /**
 125  * struct iwl_mvm_mod_params - module parameters for iwlmvm
 126  * @init_dbg: if true, then the NIC won't be stopped if the INIT fw asserted.
 127  *      We will register to mac80211 to have testmode working. The NIC must not
 128  *      be up'ed after the INIT fw asserted. This is useful to be able to use
 129  *      proprietary tools over testmode to debug the INIT fw.
 130  * @tfd_q_hang_detect: enabled the detection of hung transmit queues
 131  * @power_scheme: one of enum iwl_power_scheme
 132  */
 133 struct iwl_mvm_mod_params {
 134         bool init_dbg;
 135         bool tfd_q_hang_detect;
 136         int power_scheme;
 137 };
 138 extern struct iwl_mvm_mod_params iwlmvm_mod_params;
 139
 140 /**
 141  * struct iwl_mvm_dump_ptrs - set of pointers needed for the fw-error-dump
 142  *
 143  * @op_mode_ptr: pointer to the buffer coming from the mvm op_mode
 144  * @trans_ptr: pointer to struct %iwl_trans_dump_data which contains the
 145  *      transport's data.
 146  * @trans_len: length of the valid data in trans_ptr
 147  * @op_mode_len: length of the valid data in op_mode_ptr
 148  */
 149 struct iwl_mvm_dump_ptrs {
 150         struct iwl_trans_dump_data *trans_ptr;
 151         void *op_mode_ptr;
 152         u32 op_mode_len;
 153 };
 154
 155 /**
 156  * struct iwl_mvm_dump_desc - describes the dump
 157  * @len: length of trig_desc->data
 158  * @trig_desc: the description of the dump
 159  */
 160 struct iwl_mvm_dump_desc {
 161         size_t len;
 162         /* must be last */
 163         struct iwl_fw_error_dump_trigger_desc trig_desc;
 164 };
 165
 166 extern const struct iwl_mvm_dump_desc iwl_mvm_dump_desc_assert;
 167
 168 struct iwl_mvm_phy_ctxt {
 169         u16 id;
 170         u16 color;
 171         u32 ref;
 172
 173         /*
 174          * TODO: This should probably be removed. Currently here only for rate
 175          * scaling algorithm
 176          */
 177         struct ieee80211_channel *channel;
 178 };
 179
 180 struct iwl_mvm_time_event_data {
 181         struct ieee80211_vif *vif;
 182         struct list_head list;
 183         unsigned long end_jiffies;
 184         u32 duration;
 185         bool running;
 186         u32 uid;
 187
 188         /*
 189          * The access to the 'id' field must be done when the
 190          * mvm->time_event_lock is held, as it value is used to indicate
 191          * if the te is in the time event list or not (when id == TE_MAX)
 192          */
 193         u32 id;
 194 };
 195
 196  /* Power management */
 197
 198 /**
 199  * enum iwl_power_scheme
 200  * @IWL_POWER_LEVEL_CAM - Continuously Active Mode
 201  * @IWL_POWER_LEVEL_BPS - Balanced Power Save (default)
 202  * @IWL_POWER_LEVEL_LP  - Low Power
 203  */
 204 enum iwl_power_scheme {
 205         IWL_POWER_SCHEME_CAM = 1,
 206         IWL_POWER_SCHEME_BPS,
 207         IWL_POWER_SCHEME_LP
 208 };
 209
 210 #define IWL_CONN_MAX_LISTEN_INTERVAL    10
 211 #define IWL_UAPSD_MAX_SP                IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL
 212
 213 #ifdef CONFIG_IWLWIFI_DEBUGFS
 214 enum iwl_dbgfs_pm_mask {
 215         MVM_DEBUGFS_PM_KEEP_ALIVE = BIT(0),
 216         MVM_DEBUGFS_PM_SKIP_OVER_DTIM = BIT(1),
 217         MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS = BIT(2),
 218         MVM_DEBUGFS_PM_RX_DATA_TIMEOUT = BIT(3),
 219         MVM_DEBUGFS_PM_TX_DATA_TIMEOUT = BIT(4),
 220         MVM_DEBUGFS_PM_LPRX_ENA = BIT(6),
 221         MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD = BIT(7),
 222         MVM_DEBUGFS_PM_SNOOZE_ENABLE = BIT(8),
 223         MVM_DEBUGFS_PM_UAPSD_MISBEHAVING = BIT(9),
 224         MVM_DEBUGFS_PM_USE_PS_POLL = BIT(10),
 225 };
 226
 227 struct iwl_dbgfs_pm {
 228         u16 keep_alive_seconds;
 229         u32 rx_data_timeout;
 230         u32 tx_data_timeout;
 231         bool skip_over_dtim;
 232         u8 skip_dtim_periods;
 233         bool lprx_ena;
 234         u32 lprx_rssi_threshold;
 235         bool snooze_ena;
 236         bool uapsd_misbehaving;
 237         bool use_ps_poll;
 238         int mask;
 239 };
 240
 241 /* beacon filtering */
 242
 243 enum iwl_dbgfs_bf_mask {
 244         MVM_DEBUGFS_BF_ENERGY_DELTA = BIT(0),
 245         MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA = BIT(1),
 246         MVM_DEBUGFS_BF_ROAMING_STATE = BIT(2),
 247         MVM_DEBUGFS_BF_TEMP_THRESHOLD = BIT(3),
 248         MVM_DEBUGFS_BF_TEMP_FAST_FILTER = BIT(4),
 249         MVM_DEBUGFS_BF_TEMP_SLOW_FILTER = BIT(5),
 250         MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER = BIT(6),
 251         MVM_DEBUGFS_BF_DEBUG_FLAG = BIT(7),
 252         MVM_DEBUGFS_BF_ESCAPE_TIMER = BIT(8),
 253         MVM_DEBUGFS_BA_ESCAPE_TIMER = BIT(9),
 254         MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT = BIT(10),
 255 };
 256
 257 struct iwl_dbgfs_bf {
 258         u32 bf_energy_delta;
 259         u32 bf_roaming_energy_delta;
 260         u32 bf_roaming_state;
 261         u32 bf_temp_threshold;
 262         u32 bf_temp_fast_filter;
 263         u32 bf_temp_slow_filter;
 264         u32 bf_enable_beacon_filter;
 265         u32 bf_debug_flag;
 266         u32 bf_escape_timer;
 267         u32 ba_escape_timer;
 268         u32 ba_enable_beacon_abort;
 269         int mask;
 270 };
 271 #endif
 272
 273 enum iwl_mvm_smps_type_request {
 274         IWL_MVM_SMPS_REQ_BT_COEX,
 275         IWL_MVM_SMPS_REQ_TT,
 276         IWL_MVM_SMPS_REQ_PROT,
 277         NUM_IWL_MVM_SMPS_REQ,
 278 };
 279
 280 enum iwl_mvm_ref_type {
 281         IWL_MVM_REF_UCODE_DOWN,
 282         IWL_MVM_REF_SCAN,
 283         IWL_MVM_REF_ROC,
 284         IWL_MVM_REF_ROC_AUX,
 285         IWL_MVM_REF_P2P_CLIENT,
 286         IWL_MVM_REF_AP_IBSS,
 287         IWL_MVM_REF_USER,
 288         IWL_MVM_REF_TX,
 289         IWL_MVM_REF_TX_AGG,
 290         IWL_MVM_REF_ADD_IF,
 291         IWL_MVM_REF_START_AP,
 292         IWL_MVM_REF_BSS_CHANGED,
 293         IWL_MVM_REF_PREPARE_TX,
 294         IWL_MVM_REF_PROTECT_TDLS,
 295         IWL_MVM_REF_CHECK_CTKILL,
 296         IWL_MVM_REF_PRPH_READ,
 297         IWL_MVM_REF_PRPH_WRITE,
 298         IWL_MVM_REF_NMI,
 299         IWL_MVM_REF_TM_CMD,
 300         IWL_MVM_REF_EXIT_WORK,
 301         IWL_MVM_REF_PROTECT_CSA,
 302         IWL_MVM_REF_FW_DBG_COLLECT,
 303         IWL_MVM_REF_INIT_UCODE,
 304         IWL_MVM_REF_SENDING_CMD,
 305         IWL_MVM_REF_RX,
 306
 307         /* update debugfs.c when changing this */
 308
 309         IWL_MVM_REF_COUNT,
 310 };
 311
 312 enum iwl_bt_force_ant_mode {
 313         BT_FORCE_ANT_DIS = 0,
 314         BT_FORCE_ANT_AUTO,
 315         BT_FORCE_ANT_BT,
 316         BT_FORCE_ANT_WIFI,
 317
 318         BT_FORCE_ANT_MAX,
 319 };
 320
 321 /**
 322 * struct iwl_mvm_vif_bf_data - beacon filtering related data
 323 * @bf_enabled: indicates if beacon filtering is enabled
 324 * @ba_enabled: indicated if beacon abort is enabled
 325 * @ave_beacon_signal: average beacon signal
 326 * @last_cqm_event: rssi of the last cqm event
 327 * @bt_coex_min_thold: minimum threshold for BT coex
 328 * @bt_coex_max_thold: maximum threshold for BT coex
 329 * @last_bt_coex_event: rssi of the last BT coex event
 330 */
 331 struct iwl_mvm_vif_bf_data {
 332         bool bf_enabled;
 333         bool ba_enabled;
 334         int ave_beacon_signal;
 335         int last_cqm_event;
 336         int bt_coex_min_thold;
 337         int bt_coex_max_thold;
 338         int last_bt_coex_event;
 339 };
 340
 341 /**
 342  * struct iwl_mvm_vif - data per Virtual Interface, it is a MAC context
 343  * @id: between 0 and 3
 344  * @color: to solve races upon MAC addition and removal
 345  * @ap_sta_id: the sta_id of the AP - valid only if VIF type is STA
 346  * @bssid: BSSID for this (client) interface
 347  * @associated: indicates that we're currently associated, used only for
 348  *      managing the firmware state in iwl_mvm_bss_info_changed_station()
 349  * @ap_assoc_sta_count: count of stations associated to us - valid only
 350  *      if VIF type is AP
 351  * @uploaded: indicates the MAC context has been added to the device
 352  * @ap_ibss_active: indicates that AP/IBSS is configured and that the interface
 353  *      should get quota etc.
 354  * @pm_enabled - Indicate if MAC power management is allowed
 355  * @monitor_active: indicates that monitor context is configured, and that the
 356  *      interface should get quota etc.
 357  * @low_latency_traffic: indicates low latency traffic was detected
 358  * @low_latency_dbgfs: low latency mode set from debugfs
 359  * @low_latency_vcmd: low latency mode set from vendor command
 360  * @ps_disabled: indicates that this interface requires PS to be disabled
 361  * @queue_params: QoS params for this MAC
 362  * @bcast_sta: station used for broadcast packets. Used by the following
 363  *  vifs: P2P_DEVICE, GO and AP.
 364  * @beacon_skb: the skb used to hold the AP/GO beacon template
 365  * @smps_requests: the SMPS requests of different parts of the driver,
 366  *      combined on update to yield the overall request to mac80211.
 367  * @beacon_stats: beacon statistics, containing the # of received beacons,
 368  *      # of received beacons accumulated over FW restart, and the current
 369  *      average signal of beacons retrieved from the firmware
 370  * @csa_failed: CSA failed to schedule time event, report an error later
 371  * @features: hw features active for this vif
 372  */
 373 struct iwl_mvm_vif {
 374         struct iwl_mvm *mvm;
 375         u16 id;
 376         u16 color;
 377         u8 ap_sta_id;
 378
 379         u8 bssid[ETH_ALEN];
 380         bool associated;
 381         u8 ap_assoc_sta_count;
 382
 383         bool uploaded;
 384         bool ap_ibss_active;
 385         bool pm_enabled;
 386         bool monitor_active;
 387         bool low_latency_traffic, low_latency_dbgfs, low_latency_vcmd;
 388         bool ps_disabled;
 389         struct iwl_mvm_vif_bf_data bf_data;
 390
 391         struct {
 392                 u32 num_beacons, accu_num_beacons;
 393                 u8 avg_signal;
 394         } beacon_stats;
 395
 396         u32 ap_beacon_time;
 397
 398         enum iwl_tsf_id tsf_id;
 399
 400         /*
 401          * QoS data from mac80211, need to store this here
 402          * as mac80211 has a separate callback but we need
 403          * to have the data for the MAC context
 404          */
 405         struct ieee80211_tx_queue_params queue_params[IEEE80211_NUM_ACS];
 406         struct iwl_mvm_time_event_data time_event_data;
 407         struct iwl_mvm_time_event_data hs_time_event_data;
 408
 409         struct iwl_mvm_int_sta bcast_sta;
 410
 411         /*
 412          * Assigned while mac80211 has the interface in a channel context,
 413          * or, for P2P Device, while it exists.
 414          */
 415         struct iwl_mvm_phy_ctxt *phy_ctxt;
 416
 417 #ifdef CONFIG_PM
 418         /* WoWLAN GTK rekey data */
 419         struct {
 420                 u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN];
 421                 __le64 replay_ctr;
 422                 bool valid;
 423         } rekey_data;
 424
 425         int tx_key_idx;
 426
 427         bool seqno_valid;
 428         u16 seqno;
 429 #endif
 430
 431 #if IS_ENABLED(CONFIG_IPV6)
 432         /* IPv6 addresses for WoWLAN */
 433         struct in6_addr target_ipv6_addrs[IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_MAX];
 434         unsigned long tentative_addrs[BITS_TO_LONGS(IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_MAX)];
 435         int num_target_ipv6_addrs;
 436 #endif
 437
 438 #ifdef CONFIG_IWLWIFI_DEBUGFS
 439         struct dentry *dbgfs_dir;
 440         struct dentry *dbgfs_slink;
 441         struct iwl_dbgfs_pm dbgfs_pm;
 442         struct iwl_dbgfs_bf dbgfs_bf;
 443         struct iwl_mac_power_cmd mac_pwr_cmd;
 444         int dbgfs_quota_min;
 445 #endif
 446
 447         enum ieee80211_smps_mode smps_requests[NUM_IWL_MVM_SMPS_REQ];
 448
 449         /* FW identified misbehaving AP */
 450         u8 uapsd_misbehaving_bssid[ETH_ALEN];
 451
 452         /* Indicates that CSA countdown may be started */
 453         bool csa_countdown;
 454         bool csa_failed;
 455
 456         /* TCP Checksum Offload */
 457         netdev_features_t features;
 458
 459         /*
 460          * link quality measurement - used to check whether this interface
 461          * is in the middle of a link quality measurement
 462          */
 463         bool lqm_active;
 464 };
 465
 466 static inline struct iwl_mvm_vif *
 467 iwl_mvm_vif_from_mac80211(struct ieee80211_vif *vif)
 468 {
 469         return (void *)vif->drv_priv;
 470 }
 471
 472 extern const u8 tid_to_mac80211_ac[];
 473
 474 #define IWL_MVM_SCAN_STOPPING_SHIFT     8
 475
 476 enum iwl_scan_status {
 477         IWL_MVM_SCAN_REGULAR            = BIT(0),
 478         IWL_MVM_SCAN_SCHED              = BIT(1),
 479         IWL_MVM_SCAN_NETDETECT          = BIT(2),
 480
 481         IWL_MVM_SCAN_STOPPING_REGULAR   = BIT(8),
 482         IWL_MVM_SCAN_STOPPING_SCHED     = BIT(9),
 483         IWL_MVM_SCAN_STOPPING_NETDETECT = BIT(10),
 484
 485         IWL_MVM_SCAN_REGULAR_MASK       = IWL_MVM_SCAN_REGULAR |
 486                                           IWL_MVM_SCAN_STOPPING_REGULAR,
 487         IWL_MVM_SCAN_SCHED_MASK         = IWL_MVM_SCAN_SCHED |
 488                                           IWL_MVM_SCAN_STOPPING_SCHED,
 489         IWL_MVM_SCAN_NETDETECT_MASK     = IWL_MVM_SCAN_NETDETECT |
 490                                           IWL_MVM_SCAN_STOPPING_NETDETECT,
 491
 492         IWL_MVM_SCAN_STOPPING_MASK      = 0xff << IWL_MVM_SCAN_STOPPING_SHIFT,
 493         IWL_MVM_SCAN_MASK               = 0xff,
 494 };
 495
 496 enum iwl_mvm_scan_type {
 497         IWL_SCAN_TYPE_NOT_SET,
 498         IWL_SCAN_TYPE_UNASSOC,
 499         IWL_SCAN_TYPE_WILD,
 500         IWL_SCAN_TYPE_MILD,
 501         IWL_SCAN_TYPE_FRAGMENTED,
 502 };
 503
 504 enum iwl_mvm_sched_scan_pass_all_states {
 505         SCHED_SCAN_PASS_ALL_DISABLED,
 506         SCHED_SCAN_PASS_ALL_ENABLED,
 507         SCHED_SCAN_PASS_ALL_FOUND,
 508 };
 509
 510 /**
 511  * struct iwl_nvm_section - describes an NVM section in memory.
 512  *
 513  * This struct holds an NVM section read from the NIC using NVM_ACCESS_CMD,
 514  * and saved for later use by the driver. Not all NVM sections are saved
 515  * this way, only the needed ones.
 516  */
 517 struct iwl_nvm_section {
 518         u16 length;
 519         const u8 *data;
 520 };
 521
 522 /**
 523  * struct iwl_mvm_tt_mgnt - Thermal Throttling Management structure
 524  * @ct_kill_exit: worker to exit thermal kill
 525  * @dynamic_smps: Is thermal throttling enabled dynamic_smps?
 526  * @tx_backoff: The current thremal throttling tx backoff in uSec.
 527  * @min_backoff: The minimal tx backoff due to power restrictions
 528  * @params: Parameters to configure the thermal throttling algorithm.
 529  * @throttle: Is thermal throttling is active?
 530  */
 531 struct iwl_mvm_tt_mgmt {
 532         struct delayed_work ct_kill_exit;
 533         bool dynamic_smps;
 534         u32 tx_backoff;
 535         u32 min_backoff;
 536         struct iwl_tt_params params;
 537         bool throttle;
 538 };
 539
 540 #ifdef CONFIG_THERMAL
 541 /**
 542  *struct iwl_mvm_thermal_device - thermal zone related data
 543  * @temp_trips: temperature thresholds for report
 544  * @fw_trips_index: keep indexes to original array - temp_trips
 545  * @tzone: thermal zone device data
 546 */
 547 struct iwl_mvm_thermal_device {
 548         s16 temp_trips[IWL_MAX_DTS_TRIPS];
 549         u8 fw_trips_index[IWL_MAX_DTS_TRIPS];
 550         struct thermal_zone_device *tzone;
 551 };
 552
 553 /*
 554  * struct iwl_mvm_cooling_device
 555  * @cur_state: current state
 556  * @cdev: struct thermal cooling device
 557  */
 558 struct iwl_mvm_cooling_device {
 559         u32 cur_state;
 560         struct thermal_cooling_device *cdev;
 561 };
 562 #endif
 563
 564 #define IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES 8
 565
 566 struct iwl_mvm_frame_stats {
 567         u32 legacy_frames;
 568         u32 ht_frames;
 569         u32 vht_frames;
 570         u32 bw_20_frames;
 571         u32 bw_40_frames;
 572         u32 bw_80_frames;
 573         u32 bw_160_frames;
 574         u32 sgi_frames;
 575         u32 ngi_frames;
 576         u32 siso_frames;
 577         u32 mimo2_frames;
 578         u32 agg_frames;
 579         u32 ampdu_count;
 580         u32 success_frames;
 581         u32 fail_frames;
 582         u32 last_rates[IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES];
 583         int last_frame_idx;
 584 };
 585
 586 enum {
 587         D0I3_DEFER_WAKEUP,
 588         D0I3_PENDING_WAKEUP,
 589 };
 590
 591 #define IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE 0xff
 592 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MIN -100
 593 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MAX 200
 594
 595 enum iwl_mvm_tdls_cs_state {
 596         IWL_MVM_TDLS_SW_IDLE = 0,
 597         IWL_MVM_TDLS_SW_REQ_SENT,
 598         IWL_MVM_TDLS_SW_RESP_RCVD,
 599         IWL_MVM_TDLS_SW_REQ_RCVD,
 600         IWL_MVM_TDLS_SW_ACTIVE,
 601 };
 602
 603 struct iwl_mvm_shared_mem_cfg {
 604         u32 shared_mem_addr;
 605         u32 shared_mem_size;
 606         u32 sample_buff_addr;
 607         u32 sample_buff_size;
 608         u32 txfifo_addr;
 609         u32 txfifo_size[TX_FIFO_MAX_NUM];
 610         u32 rxfifo_size[RX_FIFO_MAX_NUM];
 611         u32 page_buff_addr;
 612         u32 page_buff_size;
 613         u32 rxfifo_addr;
 614         u32 internal_txfifo_addr;
 615         u32 internal_txfifo_size[TX_FIFO_INTERNAL_MAX_NUM];
 616 };
 617
 618 /**
 619  * struct iwl_mvm_reorder_buffer - per ra/tid/queue reorder buffer
 620  * @head_sn: reorder window head sn
 621  * @num_stored: number of mpdus stored in the buffer
 622  * @buf_size: the reorder buffer size as set by the last addba request
 623  * @sta_id: sta id of this reorder buffer
 624  * @queue: queue of this reorder buffer
 625  * @last_amsdu: track last ASMDU SN for duplication detection
 626  * @last_sub_index: track ASMDU sub frame index for duplication detection
 627  * @entries: list of skbs stored
 628  * @reorder_time: time the packet was stored in the reorder buffer
 629  * @reorder_timer: timer for frames are in the reorder buffer. For AMSDU
 630  *      it is the time of last received sub-frame
 631  * @removed: prevent timer re-arming
 632  * @lock: protect reorder buffer internal state
 633  * @mvm: mvm pointer, needed for frame timer context
 634  */
 635 struct iwl_mvm_reorder_buffer {
 636         u16 head_sn;
 637         u16 num_stored;
 638         u8 buf_size;
 639         u8 sta_id;
 640         int queue;
 641         u16 last_amsdu;
 642         u8 last_sub_index;
 643         struct sk_buff_head entries[IEEE80211_MAX_AMPDU_BUF];
 644         unsigned long reorder_time[IEEE80211_MAX_AMPDU_BUF];
 645         struct timer_list reorder_timer;
 646         bool removed;
 647         spinlock_t lock;
 648         struct iwl_mvm *mvm;
 649 } ____cacheline_aligned_in_smp;
 650
 651 /**
 652  * struct iwl_mvm_baid_data - BA session data
 653  * @sta_id: station id
 654  * @tid: tid of the session
 655  * @baid baid of the session
 656  * @timeout: the timeout set in the addba request
 657  * @last_rx: last rx jiffies, updated only if timeout passed from last update
 658  * @session_timer: timer to check if BA session expired, runs at 2 * timeout
 659  * @mvm: mvm pointer, needed for timer context
 660  * @reorder_buf: reorder buffer, allocated per queue
 661  */
 662 struct iwl_mvm_baid_data {
 663         struct rcu_head rcu_head;
 664         u8 sta_id;
 665         u8 tid;
 666         u8 baid;
 667         u16 timeout;
 668         unsigned long last_rx;
 669         struct timer_list session_timer;
 670         struct iwl_mvm *mvm;
 671         struct iwl_mvm_reorder_buffer reorder_buf[];
 672 };
 673
 674 /*
 675  * enum iwl_mvm_queue_status - queue status
 676  * @IWL_MVM_QUEUE_FREE: the queue is not allocated nor reserved
 677  *      Basically, this means that this queue can be used for any purpose
 678  * @IWL_MVM_QUEUE_RESERVED: queue is reserved but not yet in use
 679  *      This is the state of a queue that has been dedicated for some RATID
 680  *      (agg'd or not), but that hasn't yet gone through the actual enablement
 681  *      of iwl_mvm_enable_txq(), and therefore no traffic can go through it yet.
 682  *      Note that in this state there is no requirement to already know what TID
 683  *      should be used with this queue, it is just marked as a queue that will
 684  *      be used, and shouldn't be allocated to anyone else.
 685  * @IWL_MVM_QUEUE_READY: queue is ready to be used
 686  *      This is the state of a queue that has been fully configured (including
 687  *      SCD pointers, etc), has a specific RA/TID assigned to it, and can be
 688  *      used to send traffic.
 689  */
 690 enum iwl_mvm_queue_status {
 691         IWL_MVM_QUEUE_FREE,
 692         IWL_MVM_QUEUE_RESERVED,
 693         IWL_MVM_QUEUE_READY,
 694 };
 695
 696 struct iwl_mvm {
 697         /* for logger access */
 698         struct device *dev;
 699
 700         struct iwl_trans *trans;
 701         const struct iwl_fw *fw;
 702         const struct iwl_cfg *cfg;
 703         struct iwl_phy_db *phy_db;
 704         struct ieee80211_hw *hw;
 705
 706         /* for protecting access to iwl_mvm */
 707         struct mutex mutex;
 708         struct list_head async_handlers_list;
 709         spinlock_t async_handlers_lock;
 710         struct work_struct async_handlers_wk;
 711
 712         struct work_struct roc_done_wk;
 713
 714         unsigned long status;
 715
 716         u32 queue_sync_cookie;
 717         atomic_t queue_sync_counter;
 718         /*
 719          * for beacon filtering -
 720          * currently only one interface can be supported
 721          */
 722         struct iwl_mvm_vif *bf_allowed_vif;
 723
 724         enum iwl_ucode_type cur_ucode;
 725         bool ucode_loaded;
 726         bool calibrating;
 727         u32 error_event_table;
 728         u32 log_event_table;
 729         u32 umac_error_event_table;
 730         bool support_umac_log;
 731         struct iwl_sf_region sf_space;
 732
 733         u32 ampdu_ref;
 734
 735         struct iwl_notif_wait_data notif_wait;
 736
 737         struct mvm_statistics_rx rx_stats;
 738
 739         struct {
 740                 u64 rx_time;
 741                 u64 tx_time;
 742                 u64 on_time_rf;
 743                 u64 on_time_scan;
 744         } radio_stats, accu_radio_stats;
 745
 746         struct {
 747                 /* Map to HW queue */
 748                 u32 hw_queue_to_mac80211;
 749                 u8 hw_queue_refcount;
 750                 u8 ra_sta_id; /* The RA this queue is mapped to, if exists */
 751                 u16 tid_bitmap; /* Bitmap of the TIDs mapped to this queue */
 752                 enum iwl_mvm_queue_status status;
 753         } queue_info[IWL_MAX_HW_QUEUES];
 754         spinlock_t queue_info_lock; /* For syncing queue mgmt operations */
 755         struct work_struct add_stream_wk; /* To add streams to queues */
 756         atomic_t mac80211_queue_stop_count[IEEE80211_MAX_QUEUES];
 757
 758         const char *nvm_file_name;
 759         struct iwl_nvm_data *nvm_data;
 760         /* NVM sections */
 761         struct iwl_nvm_section nvm_sections[NVM_MAX_NUM_SECTIONS];
 762
 763         /* Paging section */
 764         struct iwl_fw_paging fw_paging_db[NUM_OF_FW_PAGING_BLOCKS];
 765         u16 num_of_paging_blk;
 766         u16 num_of_pages_in_last_blk;
 767
 768         /* EEPROM MAC addresses */
 769         struct mac_address addresses[IWL_MVM_MAX_ADDRESSES];
 770
 771         /* data related to data path */
 772         struct iwl_rx_phy_info last_phy_info;
 773         struct ieee80211_sta __rcu *fw_id_to_mac_id[IWL_MVM_STATION_COUNT];
 774         struct work_struct sta_drained_wk;
 775         unsigned long sta_deferred_frames[BITS_TO_LONGS(IWL_MVM_STATION_COUNT)];
 776         unsigned long sta_drained[BITS_TO_LONGS(IWL_MVM_STATION_COUNT)];
 777         atomic_t pending_frames[IWL_MVM_STATION_COUNT];
 778         u32 tfd_drained[IWL_MVM_STATION_COUNT];
 779         u8 rx_ba_sessions;
 780
 781         /* configured by mac80211 */
 782         u32 rts_threshold;
 783
 784         /* Scan status, cmd (pre-allocated) and auxiliary station */
 785         unsigned int scan_status;
 786         void *scan_cmd;
 787         struct iwl_mcast_filter_cmd *mcast_filter_cmd;
 788         enum iwl_mvm_scan_type scan_type;
 789         enum iwl_mvm_sched_scan_pass_all_states sched_scan_pass_all;
 790         struct timer_list scan_timer;
 791
 792         /* max number of simultaneous scans the FW supports */
 793         unsigned int max_scans;
 794
 795         /* ts of the beginning of a non-collect fw dbg data period */
 796         unsigned long fw_dbg_non_collect_ts_start[FW_DBG_TRIGGER_MAX - 1];
 797
 798         /* UMAC scan tracking */
 799         u32 scan_uid_status[IWL_MVM_MAX_UMAC_SCANS];
 800
 801         /* rx chain antennas set through debugfs for the scan command */
 802         u8 scan_rx_ant;
 803
 804 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
 805         /* broadcast filters to configure for each associated station */
 806         const struct iwl_fw_bcast_filter *bcast_filters;
 807 #ifdef CONFIG_IWLWIFI_DEBUGFS
 808         struct {
 809                 bool override;
 810                 struct iwl_bcast_filter_cmd cmd;
 811         } dbgfs_bcast_filtering;
 812 #endif
 813 #endif
 814
 815         /* Internal station */
 816         struct iwl_mvm_int_sta aux_sta;
 817         struct iwl_mvm_int_sta snif_sta;
 818
 819         bool last_ebs_successful;
 820
 821         u8 scan_last_antenna_idx; /* to toggle TX between antennas */
 822         u8 mgmt_last_antenna_idx;
 823
 824         /* last smart fifo state that was successfully sent to firmware */
 825         enum iwl_sf_state sf_state;
 826
 827 #ifdef CONFIG_IWLWIFI_DEBUGFS
 828         struct dentry *debugfs_dir;
 829         u32 dbgfs_sram_offset, dbgfs_sram_len;
 830         u32 dbgfs_prph_reg_addr;
 831         bool disable_power_off;
 832         bool disable_power_off_d3;
 833
 834         bool scan_iter_notif_enabled;
 835
 836         struct debugfs_blob_wrapper nvm_hw_blob;
 837         struct debugfs_blob_wrapper nvm_sw_blob;
 838         struct debugfs_blob_wrapper nvm_calib_blob;
 839         struct debugfs_blob_wrapper nvm_prod_blob;
 840         struct debugfs_blob_wrapper nvm_phy_sku_blob;
 841
 842         struct iwl_mvm_frame_stats drv_rx_stats;
 843         spinlock_t drv_stats_lock;
 844         u16 dbgfs_rx_phyinfo;
 845 #endif
 846
 847         struct iwl_mvm_phy_ctxt phy_ctxts[NUM_PHY_CTX];
 848
 849         struct list_head time_event_list;
 850         spinlock_t time_event_lock;
 851
 852         /*
 853          * A bitmap indicating the index of the key in use. The firmware
 854          * can hold 16 keys at most. Reflect this fact.
 855          */
 856         unsigned long fw_key_table[BITS_TO_LONGS(STA_KEY_MAX_NUM)];
 857         u8 fw_key_deleted[STA_KEY_MAX_NUM];
 858
 859         /* references taken by the driver and spinlock protecting them */
 860         spinlock_t refs_lock;
 861         u8 refs[IWL_MVM_REF_COUNT];
 862
 863         u8 vif_count;
 864
 865         /* -1 for always, 0 for never, >0 for that many times */
 866         s8 restart_fw;
 867         u8 fw_dbg_conf;
 868         struct delayed_work fw_dump_wk;
 869         const struct iwl_mvm_dump_desc *fw_dump_desc;
 870         const struct iwl_fw_dbg_trigger_tlv *fw_dump_trig;
 871
 872 #ifdef CONFIG_IWLWIFI_LEDS
 873         struct led_classdev led;
 874 #endif
 875
 876         struct ieee80211_vif *p2p_device_vif;
 877
 878 #ifdef CONFIG_PM
 879         struct wiphy_wowlan_support wowlan;
 880         int gtk_ivlen, gtk_icvlen, ptk_ivlen, ptk_icvlen;
 881
 882         /* sched scan settings for net detect */
 883         struct ieee80211_scan_ies nd_ies;
 884         struct cfg80211_match_set *nd_match_sets;
 885         int n_nd_match_sets;
 886         struct ieee80211_channel **nd_channels;
 887         int n_nd_channels;
 888         bool net_detect;
 889 #ifdef CONFIG_IWLWIFI_DEBUGFS
 890         bool d3_wake_sysassert;
 891         bool d3_test_active;
 892         bool store_d3_resume_sram;
 893         void *d3_resume_sram;
 894         u32 d3_test_pme_ptr;
 895         struct ieee80211_vif *keep_vif;
 896         u32 last_netdetect_scans; /* no. of scans in the last net-detect wake */
 897 #endif
 898 #endif
 899
 900         /* d0i3 */
 901         u8 d0i3_ap_sta_id;
 902         bool d0i3_offloading;
 903         struct work_struct d0i3_exit_work;
 904         struct sk_buff_head d0i3_tx;
 905         /* protect d0i3_suspend_flags */
 906         struct mutex d0i3_suspend_mutex;
 907         unsigned long d0i3_suspend_flags;
 908         /* sync d0i3_tx queue and IWL_MVM_STATUS_IN_D0I3 status flag */
 909         spinlock_t d0i3_tx_lock;
 910         wait_queue_head_t d0i3_exit_waitq;
 911
 912         /* BT-Coex */
 913         u8 bt_ack_kill_msk[NUM_PHY_CTX];
 914         u8 bt_cts_kill_msk[NUM_PHY_CTX];
 915
 916         struct iwl_bt_coex_profile_notif_old last_bt_notif_old;
 917         struct iwl_bt_coex_ci_cmd_old last_bt_ci_cmd_old;
 918         struct iwl_bt_coex_profile_notif last_bt_notif;
 919         struct iwl_bt_coex_ci_cmd last_bt_ci_cmd;
 920
 921         u32 last_ant_isol;
 922         u8 last_corun_lut;
 923         u8 bt_tx_prio;
 924         enum iwl_bt_force_ant_mode bt_force_ant_mode;
 925
 926         /* Aux ROC */
 927         struct list_head aux_roc_te_list;
 928
 929         /* Thermal Throttling and CTkill */
 930         struct iwl_mvm_tt_mgmt thermal_throttle;
 931 #ifdef CONFIG_THERMAL
 932         struct iwl_mvm_thermal_device tz_device;
 933         struct iwl_mvm_cooling_device cooling_dev;
 934 #endif
 935
 936         s32 temperature;        /* Celsius */
 937         /*
 938          * Debug option to set the NIC temperature. This option makes the
 939          * driver think this is the actual NIC temperature, and ignore the
 940          * real temperature that is received from the fw
 941          */
 942         bool temperature_test;  /* Debug test temperature is enabled */
 943
 944         struct iwl_time_quota_cmd last_quota_cmd;
 945
 946 #ifdef CONFIG_NL80211_TESTMODE
 947         u32 noa_duration;
 948         struct ieee80211_vif *noa_vif;
 949 #endif
 950
 951         /* Tx queues */
 952         u8 aux_queue;
 953         u8 first_agg_queue;
 954         u8 last_agg_queue;
 955
 956         /* Indicate if device power save is allowed */
 957         u8 ps_disabled; /* u8 instead of bool to ease debugfs_create_* usage */
 958         unsigned int max_amsdu_len; /* used for debugfs only */
 959
 960         struct ieee80211_vif __rcu *csa_vif;
 961         struct ieee80211_vif __rcu *csa_tx_blocked_vif;
 962         u8 csa_tx_block_bcn_timeout;
 963
 964         /* system time of last beacon (for AP/GO interface) */
 965         u32 ap_last_beacon_gp2;
 966
 967         bool lar_regdom_set;
 968         enum iwl_mcc_source mcc_src;
 969
 970         /* TDLS channel switch data */
 971         struct {
 972                 struct delayed_work dwork;
 973                 enum iwl_mvm_tdls_cs_state state;
 974
 975                 /*
 976                  * Current cs sta - might be different from periodic cs peer
 977                  * station. Value is meaningless when the cs-state is idle.
 978                  */
 979                 u8 cur_sta_id;
 980
 981                 /* TDLS periodic channel-switch peer */
 982                 struct {
 983                         u8 sta_id;
 984                         u8 op_class;
 985                         bool initiator; /* are we the link initiator */
 986                         struct cfg80211_chan_def chandef;
 987                         struct sk_buff *skb; /* ch sw template */
 988                         u32 ch_sw_tm_ie;
 989
 990                         /* timestamp of last ch-sw request sent (GP2 time) */
 991                         u32 sent_timestamp;
 992                 } peer;
 993         } tdls_cs;
 994
 995         struct iwl_mvm_shared_mem_cfg shared_mem_cfg;
 996
 997         u32 ciphers[6];
 998         struct iwl_mvm_tof_data tof_data;
 999
1000         struct ieee80211_vif *nan_vif;
1001 #define IWL_MAX_BAID    32
1002         struct iwl_mvm_baid_data __rcu *baid_map[IWL_MAX_BAID];
1003
1004         /*
1005          * Drop beacons from other APs in AP mode when there are no connected
1006          * clients.
1007          */
1008         bool drop_bcn_ap_mode;
1009 };
1010
1011 /* Extract MVM priv from op_mode and _hw */
1012 #define IWL_OP_MODE_GET_MVM(_iwl_op_mode)               \
1013         ((struct iwl_mvm *)(_iwl_op_mode)->op_mode_specific)
1014
1015 #define IWL_MAC80211_GET_MVM(_hw)                       \
1016         IWL_OP_MODE_GET_MVM((struct iwl_op_mode *)((_hw)->priv))
1017
1018 enum iwl_mvm_status {
1019         IWL_MVM_STATUS_HW_RFKILL,
1020         IWL_MVM_STATUS_HW_CTKILL,
1021         IWL_MVM_STATUS_ROC_RUNNING,
1022         IWL_MVM_STATUS_IN_HW_RESTART,
1023         IWL_MVM_STATUS_IN_D0I3,
1024         IWL_MVM_STATUS_ROC_AUX_RUNNING,
1025         IWL_MVM_STATUS_D3_RECONFIG,
1026         IWL_MVM_STATUS_DUMPING_FW_LOG,
1027 };
1028
1029 static inline bool iwl_mvm_is_radio_killed(struct iwl_mvm *mvm)
1030 {
1031         return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status) ||
1032                test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
1033 }
1034
1035 static inline bool iwl_mvm_is_radio_hw_killed(struct iwl_mvm *mvm)
1036 {
1037         return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status);
1038 }
1039
1040 /* Must be called with rcu_read_lock() held and it can only be
1041  * released when mvmsta is not needed anymore.
1042  */
1043 static inline struct iwl_mvm_sta *
1044 iwl_mvm_sta_from_staid_rcu(struct iwl_mvm *mvm, u8 sta_id)
1045 {
1046         struct ieee80211_sta *sta;
1047
1048         if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
1049                 return NULL;
1050
1051         sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
1052
1053         /* This can happen if the station has been removed right now */
1054         if (IS_ERR_OR_NULL(sta))
1055                 return NULL;
1056
1057         return iwl_mvm_sta_from_mac80211(sta);
1058 }
1059
1060 static inline struct iwl_mvm_sta *
1061 iwl_mvm_sta_from_staid_protected(struct iwl_mvm *mvm, u8 sta_id)
1062 {
1063         struct ieee80211_sta *sta;
1064
1065         if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
1066                 return NULL;
1067
1068         sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id],
1069                                         lockdep_is_held(&mvm->mutex));
1070
1071         /* This can happen if the station has been removed right now */
1072         if (IS_ERR_OR_NULL(sta))
1073                 return NULL;
1074
1075         return iwl_mvm_sta_from_mac80211(sta);
1076 }
1077
1078 static inline bool iwl_mvm_is_d0i3_supported(struct iwl_mvm *mvm)
1079 {
1080         return !iwlwifi_mod_params.d0i3_disable &&
1081                 fw_has_capa(&mvm->fw->ucode_capa,
1082                             IWL_UCODE_TLV_CAPA_D0I3_SUPPORT);
1083 }
1084
1085 static inline bool iwl_mvm_is_dqa_supported(struct iwl_mvm *mvm)
1086 {
1087         /* Make sure DQA isn't allowed in driver until feature is complete */
1088         return false && fw_has_capa(&mvm->fw->ucode_capa,
1089                                     IWL_UCODE_TLV_CAPA_DQA_SUPPORT);
1090 }
1091
1092 static inline bool iwl_mvm_enter_d0i3_on_suspend(struct iwl_mvm *mvm)
1093 {
1094         /* For now we only use this mode to differentiate between
1095          * slave transports, which handle D0i3 entry in suspend by
1096          * themselves in conjunction with runtime PM D0i3.  So, this
1097          * function is used to check whether we need to do anything
1098          * when entering suspend or if the transport layer has already
1099          * done it.
1100          */
1101         return (mvm->trans->system_pm_mode == IWL_PLAT_PM_MODE_D0I3) &&
1102                 (mvm->trans->runtime_pm_mode != IWL_PLAT_PM_MODE_D0I3);
1103 }
1104
1105 static inline bool iwl_mvm_is_lar_supported(struct iwl_mvm *mvm)
1106 {
1107         bool nvm_lar = mvm->nvm_data->lar_enabled;
1108         bool tlv_lar = fw_has_capa(&mvm->fw->ucode_capa,
1109                                    IWL_UCODE_TLV_CAPA_LAR_SUPPORT);
1110
1111         if (iwlwifi_mod_params.lar_disable)
1112                 return false;
1113
1114         /*
1115          * Enable LAR only if it is supported by the FW (TLV) &&
1116          * enabled in the NVM
1117          */
1118         if (mvm->cfg->device_family == IWL_DEVICE_FAMILY_8000)
1119                 return nvm_lar && tlv_lar;
1120         else
1121                 return tlv_lar;
1122 }
1123
1124 static inline bool iwl_mvm_is_wifi_mcc_supported(struct iwl_mvm *mvm)
1125 {
1126         return fw_has_api(&mvm->fw->ucode_capa,
1127                           IWL_UCODE_TLV_API_WIFI_MCC_UPDATE) ||
1128                fw_has_capa(&mvm->fw->ucode_capa,
1129                            IWL_UCODE_TLV_CAPA_LAR_MULTI_MCC);
1130 }
1131
1132 static inline bool iwl_mvm_bt_is_plcr_supported(struct iwl_mvm *mvm)
1133 {
1134         return fw_has_capa(&mvm->fw->ucode_capa,
1135                            IWL_UCODE_TLV_CAPA_BT_COEX_PLCR) &&
1136                 IWL_MVM_BT_COEX_CORUNNING;
1137 }
1138
1139 static inline bool iwl_mvm_bt_is_rrc_supported(struct iwl_mvm *mvm)
1140 {
1141         return fw_has_capa(&mvm->fw->ucode_capa,
1142                            IWL_UCODE_TLV_CAPA_BT_COEX_RRC) &&
1143                 IWL_MVM_BT_COEX_RRC;
1144 }
1145
1146 static inline bool iwl_mvm_is_csum_supported(struct iwl_mvm *mvm)
1147 {
1148         return fw_has_capa(&mvm->fw->ucode_capa,
1149                            IWL_UCODE_TLV_CAPA_CSUM_SUPPORT) &&
1150                !IWL_MVM_HW_CSUM_DISABLE;
1151 }
1152
1153 static inline bool iwl_mvm_is_mplut_supported(struct iwl_mvm *mvm)
1154 {
1155         return fw_has_capa(&mvm->fw->ucode_capa,
1156                            IWL_UCODE_TLV_CAPA_BT_MPLUT_SUPPORT) &&
1157                 IWL_MVM_BT_COEX_MPLUT;
1158 }
1159
1160 static inline
1161 bool iwl_mvm_is_p2p_scm_uapsd_supported(struct iwl_mvm *mvm)
1162 {
1163         return fw_has_capa(&mvm->fw->ucode_capa,
1164                            IWL_UCODE_TLV_CAPA_P2P_SCM_UAPSD) &&
1165                 !(iwlwifi_mod_params.uapsd_disable &
1166                   IWL_DISABLE_UAPSD_P2P_CLIENT);
1167 }
1168
1169 static inline bool iwl_mvm_has_new_rx_api(struct iwl_mvm *mvm)
1170 {
1171         return fw_has_capa(&mvm->fw->ucode_capa,
1172                            IWL_UCODE_TLV_CAPA_MULTI_QUEUE_RX_SUPPORT);
1173 }
1174
1175 static inline bool iwl_mvm_is_tt_in_fw(struct iwl_mvm *mvm)
1176 {
1177 #ifdef CONFIG_THERMAL
1178         /* these two TLV are redundant since the responsibility to CT-kill by
1179          * FW happens only after we send at least one command of
1180          * temperature THs report.
1181          */
1182         return fw_has_capa(&mvm->fw->ucode_capa,
1183                            IWL_UCODE_TLV_CAPA_CT_KILL_BY_FW) &&
1184                fw_has_capa(&mvm->fw->ucode_capa,
1185                            IWL_UCODE_TLV_CAPA_TEMP_THS_REPORT_SUPPORT);
1186 #else /* CONFIG_THERMAL */
1187         return false;
1188 #endif /* CONFIG_THERMAL */
1189 }
1190
1191 static inline bool iwl_mvm_is_ctdp_supported(struct iwl_mvm *mvm)
1192 {
1193         return fw_has_capa(&mvm->fw->ucode_capa,
1194                            IWL_UCODE_TLV_CAPA_CTDP_SUPPORT);
1195 }
1196
1197 extern const u8 iwl_mvm_ac_to_tx_fifo[];
1198
1199 struct iwl_rate_info {
1200         u8 plcp;        /* uCode API:  IWL_RATE_6M_PLCP, etc. */
1201         u8 plcp_siso;   /* uCode API:  IWL_RATE_SISO_6M_PLCP, etc. */
1202         u8 plcp_mimo2;  /* uCode API:  IWL_RATE_MIMO2_6M_PLCP, etc. */
1203         u8 plcp_mimo3;  /* uCode API:  IWL_RATE_MIMO3_6M_PLCP, etc. */
1204         u8 ieee;        /* MAC header:  IWL_RATE_6M_IEEE, etc. */
1205 };
1206
1207 void __iwl_mvm_mac_stop(struct iwl_mvm *mvm);
1208 int __iwl_mvm_mac_start(struct iwl_mvm *mvm);
1209
1210 /******************
1211  * MVM Methods
1212  ******************/
1213 /* uCode */
1214 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm);
1215
1216 /* Utils */
1217 int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags,
1218                                         enum nl80211_band band);
1219 void iwl_mvm_hwrate_to_tx_rate(u32 rate_n_flags,
1220                                enum nl80211_band band,
1221                                struct ieee80211_tx_rate *r);
1222 u8 iwl_mvm_mac80211_idx_to_hwrate(int rate_idx);
1223 void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm);
1224 u8 first_antenna(u8 mask);
1225 u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx);
1226
1227 /* Tx / Host Commands */
1228 int __must_check iwl_mvm_send_cmd(struct iwl_mvm *mvm,
1229                                   struct iwl_host_cmd *cmd);
1230 int __must_check iwl_mvm_send_cmd_pdu(struct iwl_mvm *mvm, u32 id,
1231                                       u32 flags, u16 len, const void *data);
1232 int __must_check iwl_mvm_send_cmd_status(struct iwl_mvm *mvm,
1233                                          struct iwl_host_cmd *cmd,
1234                                          u32 *status);
1235 int __must_check iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u32 id,
1236                                              u16 len, const void *data,
1237                                              u32 *status);
1238 int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb,
1239                    struct ieee80211_sta *sta);
1240 int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb);
1241 void iwl_mvm_set_tx_cmd(struct iwl_mvm *mvm, struct sk_buff *skb,
1242                         struct iwl_tx_cmd *tx_cmd,
1243                         struct ieee80211_tx_info *info, u8 sta_id);
1244 void iwl_mvm_set_tx_cmd_rate(struct iwl_mvm *mvm, struct iwl_tx_cmd *tx_cmd,
1245                             struct ieee80211_tx_info *info,
1246                             struct ieee80211_sta *sta, __le16 fc);
1247 #ifdef CONFIG_IWLWIFI_DEBUG
1248 const char *iwl_mvm_get_tx_fail_reason(u32 status);
1249 #else
1250 static inline const char *iwl_mvm_get_tx_fail_reason(u32 status) { return ""; }
1251 #endif
1252 int iwl_mvm_flush_tx_path(struct iwl_mvm *mvm, u32 tfd_msk, u32 flags);
1253 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm);
1254
1255 static inline void iwl_mvm_set_tx_cmd_ccmp(struct ieee80211_tx_info *info,
1256                                            struct iwl_tx_cmd *tx_cmd)
1257 {
1258         struct ieee80211_key_conf *keyconf = info->control.hw_key;
1259
1260         tx_cmd->sec_ctl = TX_CMD_SEC_CCM;
1261         memcpy(tx_cmd->key, keyconf->key, keyconf->keylen);
1262         if (info->flags & IEEE80211_TX_CTL_AMPDU)
1263                 tx_cmd->tx_flags |= cpu_to_le32(TX_CMD_FLG_CCMP_AGG);
1264 }
1265
1266 static inline void iwl_mvm_wait_for_async_handlers(struct iwl_mvm *mvm)
1267 {
1268         flush_work(&mvm->async_handlers_wk);
1269 }
1270
1271 /* Statistics */
1272 void iwl_mvm_handle_rx_statistics(struct iwl_mvm *mvm,
1273                                   struct iwl_rx_packet *pkt);
1274 void iwl_mvm_rx_statistics(struct iwl_mvm *mvm,
1275                            struct iwl_rx_cmd_buffer *rxb);
1276 int iwl_mvm_request_statistics(struct iwl_mvm *mvm, bool clear);
1277 void iwl_mvm_accu_radio_stats(struct iwl_mvm *mvm);
1278
1279 /* NVM */
1280 int iwl_nvm_init(struct iwl_mvm *mvm, bool read_nvm_from_nic);
1281 int iwl_mvm_load_nvm_to_nic(struct iwl_mvm *mvm);
1282
1283 static inline u8 iwl_mvm_get_valid_tx_ant(struct iwl_mvm *mvm)
1284 {
1285         return mvm->nvm_data && mvm->nvm_data->valid_tx_ant ?
1286                mvm->fw->valid_tx_ant & mvm->nvm_data->valid_tx_ant :
1287                mvm->fw->valid_tx_ant;
1288 }
1289
1290 static inline u8 iwl_mvm_get_valid_rx_ant(struct iwl_mvm *mvm)
1291 {
1292         return mvm->nvm_data && mvm->nvm_data->valid_rx_ant ?
1293                mvm->fw->valid_rx_ant & mvm->nvm_data->valid_rx_ant :
1294                mvm->fw->valid_rx_ant;
1295 }
1296
1297 static inline u32 iwl_mvm_get_phy_config(struct iwl_mvm *mvm)
1298 {
1299         u32 phy_config = ~(FW_PHY_CFG_TX_CHAIN |
1300                            FW_PHY_CFG_RX_CHAIN);
1301         u32 valid_rx_ant = iwl_mvm_get_valid_rx_ant(mvm);
1302         u32 valid_tx_ant = iwl_mvm_get_valid_tx_ant(mvm);
1303
1304         phy_config |= valid_tx_ant << FW_PHY_CFG_TX_CHAIN_POS |
1305                       valid_rx_ant << FW_PHY_CFG_RX_CHAIN_POS;
1306
1307         return mvm->fw->phy_config & phy_config;
1308 }
1309
1310 int iwl_mvm_up(struct iwl_mvm *mvm);
1311 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm);
1312
1313 int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm);
1314 bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm,
1315                                     struct iwl_bcast_filter_cmd *cmd);
1316
1317 /*
1318  * FW notifications / CMD responses handlers
1319  * Convention: iwl_mvm_rx_<NAME OF THE CMD>
1320  */
1321 void iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1322 void iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct napi_struct *napi,
1323                         struct iwl_rx_cmd_buffer *rxb);
1324 void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi,
1325                         struct iwl_rx_cmd_buffer *rxb, int queue);
1326 void iwl_mvm_rx_frame_release(struct iwl_mvm *mvm, struct napi_struct *napi,
1327                               struct iwl_rx_cmd_buffer *rxb, int queue);
1328 int iwl_mvm_notify_rx_queue(struct iwl_mvm *mvm, u32 rxq_mask,
1329                             const u8 *data, u32 count);
1330 void iwl_mvm_rx_queue_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1331                             int queue);
1332 void iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1333 void iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1334 void iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm,
1335                                    struct iwl_rx_cmd_buffer *rxb);
1336 void iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1337 void iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
1338                                  struct iwl_rx_cmd_buffer *rxb);
1339 void iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm,
1340                              struct iwl_rx_cmd_buffer *rxb);
1341 void iwl_mvm_rx_shared_mem_cfg_notif(struct iwl_mvm *mvm,
1342                                      struct iwl_rx_cmd_buffer *rxb);
1343
1344 /* MVM PHY */
1345 int iwl_mvm_phy_ctxt_add(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
1346                          struct cfg80211_chan_def *chandef,
1347                          u8 chains_static, u8 chains_dynamic);
1348 int iwl_mvm_phy_ctxt_changed(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
1349                              struct cfg80211_chan_def *chandef,
1350                              u8 chains_static, u8 chains_dynamic);
1351 void iwl_mvm_phy_ctxt_ref(struct iwl_mvm *mvm,
1352                           struct iwl_mvm_phy_ctxt *ctxt);
1353 void iwl_mvm_phy_ctxt_unref(struct iwl_mvm *mvm,
1354                             struct iwl_mvm_phy_ctxt *ctxt);
1355 int iwl_mvm_phy_ctx_count(struct iwl_mvm *mvm);
1356 u8 iwl_mvm_get_channel_width(struct cfg80211_chan_def *chandef);
1357 u8 iwl_mvm_get_ctrl_pos(struct cfg80211_chan_def *chandef);
1358
1359 /* MAC (virtual interface) programming */
1360 int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1361 void iwl_mvm_mac_ctxt_release(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1362 int iwl_mvm_mac_ctxt_add(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1363 int iwl_mvm_mac_ctxt_changed(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1364                              bool force_assoc_off, const u8 *bssid_override);
1365 int iwl_mvm_mac_ctxt_remove(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1366 u32 iwl_mvm_mac_get_queues_mask(struct ieee80211_vif *vif);
1367 int iwl_mvm_mac_ctxt_beacon_changed(struct iwl_mvm *mvm,
1368                                     struct ieee80211_vif *vif);
1369 void iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm,
1370                              struct iwl_rx_cmd_buffer *rxb);
1371 void iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm,
1372                                      struct iwl_rx_cmd_buffer *rxb);
1373 void iwl_mvm_rx_stored_beacon_notif(struct iwl_mvm *mvm,
1374                                     struct iwl_rx_cmd_buffer *rxb);
1375 void iwl_mvm_mu_mimo_grp_notif(struct iwl_mvm *mvm,
1376                                struct iwl_rx_cmd_buffer *rxb);
1377 void iwl_mvm_window_status_notif(struct iwl_mvm *mvm,
1378                                  struct iwl_rx_cmd_buffer *rxb);
1379 void iwl_mvm_mac_ctxt_recalc_tsf_id(struct iwl_mvm *mvm,
1380                                     struct ieee80211_vif *vif);
1381 unsigned long iwl_mvm_get_used_hw_queues(struct iwl_mvm *mvm,
1382                                          struct ieee80211_vif *exclude_vif);
1383 /* Bindings */
1384 int iwl_mvm_binding_add_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1385 int iwl_mvm_binding_remove_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1386
1387 /* Quota management */
1388 int iwl_mvm_update_quotas(struct iwl_mvm *mvm, bool force_upload,
1389                           struct ieee80211_vif *disabled_vif);
1390
1391 /* Scanning */
1392 int iwl_mvm_reg_scan_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1393                            struct cfg80211_scan_request *req,
1394                            struct ieee80211_scan_ies *ies);
1395 int iwl_mvm_scan_size(struct iwl_mvm *mvm);
1396 int iwl_mvm_scan_stop(struct iwl_mvm *mvm, int type, bool notify);
1397 int iwl_mvm_max_scan_ie_len(struct iwl_mvm *mvm);
1398 void iwl_mvm_report_scan_aborted(struct iwl_mvm *mvm);
1399 void iwl_mvm_scan_timeout(unsigned long data);
1400
1401 /* Scheduled scan */
1402 void iwl_mvm_rx_lmac_scan_complete_notif(struct iwl_mvm *mvm,
1403                                          struct iwl_rx_cmd_buffer *rxb);
1404 void iwl_mvm_rx_lmac_scan_iter_complete_notif(struct iwl_mvm *mvm,
1405                                               struct iwl_rx_cmd_buffer *rxb);
1406 int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm,
1407                              struct ieee80211_vif *vif,
1408                              struct cfg80211_sched_scan_request *req,
1409                              struct ieee80211_scan_ies *ies,
1410                              int type);
1411 void iwl_mvm_rx_scan_match_found(struct iwl_mvm *mvm,
1412                                  struct iwl_rx_cmd_buffer *rxb);
1413
1414 /* UMAC scan */
1415 int iwl_mvm_config_scan(struct iwl_mvm *mvm);
1416 void iwl_mvm_rx_umac_scan_complete_notif(struct iwl_mvm *mvm,
1417                                          struct iwl_rx_cmd_buffer *rxb);
1418 void iwl_mvm_rx_umac_scan_iter_complete_notif(struct iwl_mvm *mvm,
1419                                               struct iwl_rx_cmd_buffer *rxb);
1420
1421 /* Paging */
1422 void iwl_free_fw_paging(struct iwl_mvm *mvm);
1423
1424 /* MVM debugfs */
1425 #ifdef CONFIG_IWLWIFI_DEBUGFS
1426 int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir);
1427 void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1428 void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1429 #else
1430 static inline int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm,
1431                                          struct dentry *dbgfs_dir)
1432 {
1433         return 0;
1434 }
1435 static inline void
1436 iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1437 {
1438 }
1439 static inline void
1440 iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1441 {
1442 }
1443 #endif /* CONFIG_IWLWIFI_DEBUGFS */
1444
1445 /* rate scaling */
1446 int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool init);
1447 void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm, u32 rate, bool agg);
1448 int rs_pretty_print_rate(char *buf, const u32 rate);
1449 void rs_update_last_rssi(struct iwl_mvm *mvm,
1450                          struct iwl_lq_sta *lq_sta,
1451                          struct ieee80211_rx_status *rx_status);
1452
1453 /* power management */
1454 int iwl_mvm_power_update_device(struct iwl_mvm *mvm);
1455 int iwl_mvm_power_update_mac(struct iwl_mvm *mvm);
1456 int iwl_mvm_power_update_ps(struct iwl_mvm *mvm);
1457 int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1458                                  char *buf, int bufsz);
1459
1460 void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1461 void iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm,
1462                                               struct iwl_rx_cmd_buffer *rxb);
1463
1464 #ifdef CONFIG_IWLWIFI_LEDS
1465 int iwl_mvm_leds_init(struct iwl_mvm *mvm);
1466 void iwl_mvm_leds_exit(struct iwl_mvm *mvm);
1467 #else
1468 static inline int iwl_mvm_leds_init(struct iwl_mvm *mvm)
1469 {
1470         return 0;
1471 }
1472 static inline void iwl_mvm_leds_exit(struct iwl_mvm *mvm)
1473 {
1474 }
1475 #endif
1476
1477 /* D3 (WoWLAN, NetDetect) */
1478 int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan);
1479 int iwl_mvm_resume(struct ieee80211_hw *hw);
1480 void iwl_mvm_set_wakeup(struct ieee80211_hw *hw, bool enabled);
1481 void iwl_mvm_set_rekey_data(struct ieee80211_hw *hw,
1482                             struct ieee80211_vif *vif,
1483                             struct cfg80211_gtk_rekey_data *data);
1484 void iwl_mvm_ipv6_addr_change(struct ieee80211_hw *hw,
1485                               struct ieee80211_vif *vif,
1486                               struct inet6_dev *idev);
1487 void iwl_mvm_set_default_unicast_key(struct ieee80211_hw *hw,
1488                                      struct ieee80211_vif *vif, int idx);
1489 extern const struct file_operations iwl_dbgfs_d3_test_ops;
1490 #ifdef CONFIG_PM
1491 int iwl_mvm_wowlan_config_key_params(struct iwl_mvm *mvm,
1492                                      struct ieee80211_vif *vif,
1493                                      bool host_awake,
1494                                      u32 cmd_flags);
1495 void iwl_mvm_d0i3_update_keys(struct iwl_mvm *mvm,
1496                               struct ieee80211_vif *vif,
1497                               struct iwl_wowlan_status *status);
1498 void iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm,
1499                                  struct ieee80211_vif *vif);
1500 #else
1501 static inline int iwl_mvm_wowlan_config_key_params(struct iwl_mvm *mvm,
1502                                                    struct ieee80211_vif *vif,
1503                                                    bool host_awake,
1504                                                    u32 cmd_flags)
1505 {
1506         return 0;
1507 }
1508
1509 static inline void iwl_mvm_d0i3_update_keys(struct iwl_mvm *mvm,
1510                                             struct ieee80211_vif *vif,
1511                                             struct iwl_wowlan_status *status)
1512 {
1513 }
1514
1515 static inline void
1516 iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1517 {
1518 }
1519 #endif
1520 void iwl_mvm_set_wowlan_qos_seq(struct iwl_mvm_sta *mvm_ap_sta,
1521                                 struct iwl_wowlan_config_cmd *cmd);
1522 int iwl_mvm_send_proto_offload(struct iwl_mvm *mvm,
1523                                struct ieee80211_vif *vif,
1524                                bool disable_offloading,
1525                                bool offload_ns,
1526                                u32 cmd_flags);
1527
1528 /* D0i3 */
1529 void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1530 void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1531 int iwl_mvm_ref_sync(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1532 bool iwl_mvm_ref_taken(struct iwl_mvm *mvm);
1533 void iwl_mvm_d0i3_enable_tx(struct iwl_mvm *mvm, __le16 *qos_seq);
1534 int iwl_mvm_enter_d0i3(struct iwl_op_mode *op_mode);
1535 int iwl_mvm_exit_d0i3(struct iwl_op_mode *op_mode);
1536 int _iwl_mvm_exit_d0i3(struct iwl_mvm *mvm);
1537
1538 /* BT Coex */
1539 int iwl_send_bt_init_conf(struct iwl_mvm *mvm);
1540 void iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm,
1541                               struct iwl_rx_cmd_buffer *rxb);
1542 void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1543                            enum ieee80211_rssi_event_data);
1544 void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm);
1545 u16 iwl_mvm_coex_agg_time_limit(struct iwl_mvm *mvm,
1546                                 struct ieee80211_sta *sta);
1547 bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm,
1548                                      struct ieee80211_sta *sta);
1549 bool iwl_mvm_bt_coex_is_ant_avail(struct iwl_mvm *mvm, u8 ant);
1550 bool iwl_mvm_bt_coex_is_shared_ant_avail(struct iwl_mvm *mvm);
1551 bool iwl_mvm_bt_coex_is_tpc_allowed(struct iwl_mvm *mvm,
1552                                     enum nl80211_band band);
1553 u8 iwl_mvm_bt_coex_tx_prio(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr,
1554                            struct ieee80211_tx_info *info, u8 ac);
1555
1556 /* beacon filtering */
1557 #ifdef CONFIG_IWLWIFI_DEBUGFS
1558 void
1559 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1560                                          struct iwl_beacon_filter_cmd *cmd);
1561 #else
1562 static inline void
1563 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1564                                          struct iwl_beacon_filter_cmd *cmd)
1565 {}
1566 #endif
1567 int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm,
1568                                    struct ieee80211_vif *vif,
1569                                    bool enable, u32 flags);
1570 int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
1571                                  struct ieee80211_vif *vif,
1572                                  u32 flags);
1573 int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
1574                                   struct ieee80211_vif *vif,
1575                                   u32 flags);
1576 /* SMPS */
1577 void iwl_mvm_update_smps(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1578                                 enum iwl_mvm_smps_type_request req_type,
1579                                 enum ieee80211_smps_mode smps_request);
1580 bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm *mvm);
1581
1582 /* Low latency */
1583 int iwl_mvm_update_low_latency(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1584                                bool value);
1585 /* get SystemLowLatencyMode - only needed for beacon threshold? */
1586 bool iwl_mvm_low_latency(struct iwl_mvm *mvm);
1587 /* get VMACLowLatencyMode */
1588 static inline bool iwl_mvm_vif_low_latency(struct iwl_mvm_vif *mvmvif)
1589 {
1590         /*
1591          * should this consider associated/active/... state?
1592          *
1593          * Normally low-latency should only be active on interfaces
1594          * that are active, but at least with debugfs it can also be
1595          * enabled on interfaces that aren't active. However, when
1596          * interface aren't active then they aren't added into the
1597          * binding, so this has no real impact. For now, just return
1598          * the current desired low-latency state.
1599          */
1600         return mvmvif->low_latency_dbgfs ||
1601                mvmvif->low_latency_traffic ||
1602                mvmvif->low_latency_vcmd;
1603 }
1604
1605 /* hw scheduler queue config */
1606 void iwl_mvm_enable_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue,
1607                         u16 ssn, const struct iwl_trans_txq_scd_cfg *cfg,
1608                         unsigned int wdg_timeout);
1609 /*
1610  * Disable a TXQ.
1611  * Note that in non-DQA mode the %mac80211_queue and %tid params are ignored.
1612  */
1613 void iwl_mvm_disable_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue,
1614                          u8 tid, u8 flags);
1615 int iwl_mvm_find_free_queue(struct iwl_mvm *mvm, u8 minq, u8 maxq);
1616
1617 /* Return a bitmask with all the hw supported queues, except for the
1618  * command queue, which can't be flushed.
1619  */
1620 static inline u32 iwl_mvm_flushable_queues(struct iwl_mvm *mvm)
1621 {
1622         return ((BIT(mvm->cfg->base_params->num_of_queues) - 1) &
1623                 ~BIT(IWL_MVM_CMD_QUEUE));
1624 }
1625
1626 static inline
1627 void iwl_mvm_enable_ac_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue,
1628                            u8 fifo, u16 ssn, unsigned int wdg_timeout)
1629 {
1630         struct iwl_trans_txq_scd_cfg cfg = {
1631                 .fifo = fifo,
1632                 .tid = IWL_MAX_TID_COUNT,
1633                 .aggregate = false,
1634                 .frame_limit = IWL_FRAME_LIMIT,
1635         };
1636
1637         iwl_mvm_enable_txq(mvm, queue, mac80211_queue, ssn, &cfg, wdg_timeout);
1638 }
1639
1640 static inline void iwl_mvm_stop_device(struct iwl_mvm *mvm)
1641 {
1642         mvm->ucode_loaded = false;
1643         iwl_trans_stop_device(mvm->trans);
1644 }
1645
1646 /* Stop/start all mac queues in a given bitmap */
1647 void iwl_mvm_start_mac_queues(struct iwl_mvm *mvm, unsigned long mq);
1648 void iwl_mvm_stop_mac_queues(struct iwl_mvm *mvm, unsigned long mq);
1649
1650 /* Re-configure the SCD for a queue that has already been configured */
1651 int iwl_mvm_reconfig_scd(struct iwl_mvm *mvm, int queue, int fifo, int sta_id,
1652                          int tid, int frame_limit, u16 ssn);
1653
1654 /* Thermal management and CT-kill */
1655 void iwl_mvm_tt_tx_backoff(struct iwl_mvm *mvm, u32 backoff);
1656 void iwl_mvm_tt_temp_changed(struct iwl_mvm *mvm, u32 temp);
1657 void iwl_mvm_temp_notif(struct iwl_mvm *mvm,
1658                         struct iwl_rx_cmd_buffer *rxb);
1659 void iwl_mvm_tt_handler(struct iwl_mvm *mvm);
1660 void iwl_mvm_thermal_initialize(struct iwl_mvm *mvm, u32 min_backoff);
1661 void iwl_mvm_thermal_exit(struct iwl_mvm *mvm);
1662 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state);
1663 int iwl_mvm_get_temp(struct iwl_mvm *mvm, s32 *temp);
1664 void iwl_mvm_ct_kill_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1665 int iwl_mvm_send_temp_report_ths_cmd(struct iwl_mvm *mvm);
1666 int iwl_mvm_ctdp_command(struct iwl_mvm *mvm, u32 op, u32 budget);
1667
1668 /* Location Aware Regulatory */
1669 struct iwl_mcc_update_resp *
1670 iwl_mvm_update_mcc(struct iwl_mvm *mvm, const char *alpha2,
1671                    enum iwl_mcc_source src_id);
1672 int iwl_mvm_init_mcc(struct iwl_mvm *mvm);
1673 void iwl_mvm_rx_chub_update_mcc(struct iwl_mvm *mvm,
1674                                 struct iwl_rx_cmd_buffer *rxb);
1675 struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy,
1676                                                   const char *alpha2,
1677                                                   enum iwl_mcc_source src_id,
1678                                                   bool *changed);
1679 struct ieee80211_regdomain *iwl_mvm_get_current_regdomain(struct iwl_mvm *mvm,
1680                                                           bool *changed);
1681 int iwl_mvm_init_fw_regd(struct iwl_mvm *mvm);
1682 void iwl_mvm_update_changed_regdom(struct iwl_mvm *mvm);
1683
1684 /* smart fifo */
1685 int iwl_mvm_sf_update(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1686                       bool added_vif);
1687
1688 /* TDLS */
1689
1690 /*
1691  * We use TID 4 (VI) as a FW-used-only TID when TDLS connections are present.
1692  * This TID is marked as used vs the AP and all connected TDLS peers.
1693  */
1694 #define IWL_MVM_TDLS_FW_TID 4
1695
1696 int iwl_mvm_tdls_sta_count(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1697 void iwl_mvm_teardown_tdls_peers(struct iwl_mvm *mvm);
1698 void iwl_mvm_recalc_tdls_state(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1699                                bool sta_added);
1700 void iwl_mvm_mac_mgd_protect_tdls_discover(struct ieee80211_hw *hw,
1701                                            struct ieee80211_vif *vif);
1702 int iwl_mvm_tdls_channel_switch(struct ieee80211_hw *hw,
1703                                 struct ieee80211_vif *vif,
1704                                 struct ieee80211_sta *sta, u8 oper_class,
1705                                 struct cfg80211_chan_def *chandef,
1706                                 struct sk_buff *tmpl_skb, u32 ch_sw_tm_ie);
1707 void iwl_mvm_tdls_recv_channel_switch(struct ieee80211_hw *hw,
1708                                       struct ieee80211_vif *vif,
1709                                       struct ieee80211_tdls_ch_sw_params *params);
1710 void iwl_mvm_tdls_cancel_channel_switch(struct ieee80211_hw *hw,
1711                                         struct ieee80211_vif *vif,
1712                                         struct ieee80211_sta *sta);
1713 void iwl_mvm_rx_tdls_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1714 void iwl_mvm_tdls_ch_switch_work(struct work_struct *work);
1715
1716 void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm *mvm,
1717                                      struct iwl_mvm_internal_rxq_notif *notif,
1718                                      u32 size);
1719 void iwl_mvm_reorder_timer_expired(unsigned long data);
1720 struct ieee80211_vif *iwl_mvm_get_bss_vif(struct iwl_mvm *mvm);
1721
1722 void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error);
1723 unsigned int iwl_mvm_get_wd_timeout(struct iwl_mvm *mvm,
1724                                     struct ieee80211_vif *vif,
1725                                     bool tdls, bool cmd_q);
1726 void iwl_mvm_connection_loss(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1727                              const char *errmsg);
1728
1729 /* Link Quality Measurement */
1730 int iwl_mvm_send_lqm_cmd(struct ieee80211_vif *vif,
1731                          enum iwl_lqm_cmd_operatrions operation,
1732                          u32 duration, u32 timeout);
1733 bool iwl_mvm_lqm_active(struct iwl_mvm *mvm);
1734
1735 #endif /* __IWL_MVM_H__ */