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         u16 csa_target_freq;
 456
 457         /* TCP Checksum Offload */
 458         netdev_features_t features;
 459
 460         /*
 461          * link quality measurement - used to check whether this interface
 462          * is in the middle of a link quality measurement
 463          */
 464         bool lqm_active;
 465 };
 466
 467 static inline struct iwl_mvm_vif *
 468 iwl_mvm_vif_from_mac80211(struct ieee80211_vif *vif)
 469 {
 470         if (!vif)
 471                 return NULL;
 472         return (void *)vif->drv_priv;
 473 }
 474
 475 extern const u8 tid_to_mac80211_ac[];
 476
 477 #define IWL_MVM_SCAN_STOPPING_SHIFT     8
 478
 479 enum iwl_scan_status {
 480         IWL_MVM_SCAN_REGULAR            = BIT(0),
 481         IWL_MVM_SCAN_SCHED              = BIT(1),
 482         IWL_MVM_SCAN_NETDETECT          = BIT(2),
 483
 484         IWL_MVM_SCAN_STOPPING_REGULAR   = BIT(8),
 485         IWL_MVM_SCAN_STOPPING_SCHED     = BIT(9),
 486         IWL_MVM_SCAN_STOPPING_NETDETECT = BIT(10),
 487
 488         IWL_MVM_SCAN_REGULAR_MASK       = IWL_MVM_SCAN_REGULAR |
 489                                           IWL_MVM_SCAN_STOPPING_REGULAR,
 490         IWL_MVM_SCAN_SCHED_MASK         = IWL_MVM_SCAN_SCHED |
 491                                           IWL_MVM_SCAN_STOPPING_SCHED,
 492         IWL_MVM_SCAN_NETDETECT_MASK     = IWL_MVM_SCAN_NETDETECT |
 493                                           IWL_MVM_SCAN_STOPPING_NETDETECT,
 494
 495         IWL_MVM_SCAN_STOPPING_MASK      = 0xff << IWL_MVM_SCAN_STOPPING_SHIFT,
 496         IWL_MVM_SCAN_MASK               = 0xff,
 497 };
 498
 499 enum iwl_mvm_scan_type {
 500         IWL_SCAN_TYPE_NOT_SET,
 501         IWL_SCAN_TYPE_UNASSOC,
 502         IWL_SCAN_TYPE_WILD,
 503         IWL_SCAN_TYPE_MILD,
 504         IWL_SCAN_TYPE_FRAGMENTED,
 505 };
 506
 507 enum iwl_mvm_sched_scan_pass_all_states {
 508         SCHED_SCAN_PASS_ALL_DISABLED,
 509         SCHED_SCAN_PASS_ALL_ENABLED,
 510         SCHED_SCAN_PASS_ALL_FOUND,
 511 };
 512
 513 /**
 514  * struct iwl_nvm_section - describes an NVM section in memory.
 515  *
 516  * This struct holds an NVM section read from the NIC using NVM_ACCESS_CMD,
 517  * and saved for later use by the driver. Not all NVM sections are saved
 518  * this way, only the needed ones.
 519  */
 520 struct iwl_nvm_section {
 521         u16 length;
 522         const u8 *data;
 523 };
 524
 525 /**
 526  * struct iwl_mvm_tt_mgnt - Thermal Throttling Management structure
 527  * @ct_kill_exit: worker to exit thermal kill
 528  * @dynamic_smps: Is thermal throttling enabled dynamic_smps?
 529  * @tx_backoff: The current thremal throttling tx backoff in uSec.
 530  * @min_backoff: The minimal tx backoff due to power restrictions
 531  * @params: Parameters to configure the thermal throttling algorithm.
 532  * @throttle: Is thermal throttling is active?
 533  */
 534 struct iwl_mvm_tt_mgmt {
 535         struct delayed_work ct_kill_exit;
 536         bool dynamic_smps;
 537         u32 tx_backoff;
 538         u32 min_backoff;
 539         struct iwl_tt_params params;
 540         bool throttle;
 541 };
 542
 543 #ifdef CONFIG_THERMAL
 544 /**
 545  *struct iwl_mvm_thermal_device - thermal zone related data
 546  * @temp_trips: temperature thresholds for report
 547  * @fw_trips_index: keep indexes to original array - temp_trips
 548  * @tzone: thermal zone device data
 549 */
 550 struct iwl_mvm_thermal_device {
 551         s16 temp_trips[IWL_MAX_DTS_TRIPS];
 552         u8 fw_trips_index[IWL_MAX_DTS_TRIPS];
 553         struct thermal_zone_device *tzone;
 554 };
 555
 556 /*
 557  * struct iwl_mvm_cooling_device
 558  * @cur_state: current state
 559  * @cdev: struct thermal cooling device
 560  */
 561 struct iwl_mvm_cooling_device {
 562         u32 cur_state;
 563         struct thermal_cooling_device *cdev;
 564 };
 565 #endif
 566
 567 #define IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES 8
 568
 569 struct iwl_mvm_frame_stats {
 570         u32 legacy_frames;
 571         u32 ht_frames;
 572         u32 vht_frames;
 573         u32 bw_20_frames;
 574         u32 bw_40_frames;
 575         u32 bw_80_frames;
 576         u32 bw_160_frames;
 577         u32 sgi_frames;
 578         u32 ngi_frames;
 579         u32 siso_frames;
 580         u32 mimo2_frames;
 581         u32 agg_frames;
 582         u32 ampdu_count;
 583         u32 success_frames;
 584         u32 fail_frames;
 585         u32 last_rates[IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES];
 586         int last_frame_idx;
 587 };
 588
 589 enum {
 590         D0I3_DEFER_WAKEUP,
 591         D0I3_PENDING_WAKEUP,
 592 };
 593
 594 #define IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE 0xff
 595 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MIN -100
 596 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MAX 200
 597
 598 enum iwl_mvm_tdls_cs_state {
 599         IWL_MVM_TDLS_SW_IDLE = 0,
 600         IWL_MVM_TDLS_SW_REQ_SENT,
 601         IWL_MVM_TDLS_SW_RESP_RCVD,
 602         IWL_MVM_TDLS_SW_REQ_RCVD,
 603         IWL_MVM_TDLS_SW_ACTIVE,
 604 };
 605
 606 struct iwl_mvm_shared_mem_cfg {
 607         u32 shared_mem_addr;
 608         u32 shared_mem_size;
 609         u32 sample_buff_addr;
 610         u32 sample_buff_size;
 611         u32 txfifo_addr;
 612         u32 txfifo_size[TX_FIFO_MAX_NUM];
 613         u32 rxfifo_size[RX_FIFO_MAX_NUM];
 614         u32 page_buff_addr;
 615         u32 page_buff_size;
 616         u32 rxfifo_addr;
 617         u32 internal_txfifo_addr;
 618         u32 internal_txfifo_size[TX_FIFO_INTERNAL_MAX_NUM];
 619 };
 620
 621 /**
 622  * struct iwl_mvm_reorder_buffer - per ra/tid/queue reorder buffer
 623  * @head_sn: reorder window head sn
 624  * @num_stored: number of mpdus stored in the buffer
 625  * @buf_size: the reorder buffer size as set by the last addba request
 626  * @sta_id: sta id of this reorder buffer
 627  * @queue: queue of this reorder buffer
 628  * @last_amsdu: track last ASMDU SN for duplication detection
 629  * @last_sub_index: track ASMDU sub frame index for duplication detection
 630  * @entries: list of skbs stored
 631  * @reorder_time: time the packet was stored in the reorder buffer
 632  * @reorder_timer: timer for frames are in the reorder buffer. For AMSDU
 633  *      it is the time of last received sub-frame
 634  * @removed: prevent timer re-arming
 635  * @lock: protect reorder buffer internal state
 636  * @mvm: mvm pointer, needed for frame timer context
 637  */
 638 struct iwl_mvm_reorder_buffer {
 639         u16 head_sn;
 640         u16 num_stored;
 641         u8 buf_size;
 642         u8 sta_id;
 643         int queue;
 644         u16 last_amsdu;
 645         u8 last_sub_index;
 646         struct sk_buff_head entries[IEEE80211_MAX_AMPDU_BUF];
 647         unsigned long reorder_time[IEEE80211_MAX_AMPDU_BUF];
 648         struct timer_list reorder_timer;
 649         bool removed;
 650         spinlock_t lock;
 651         struct iwl_mvm *mvm;
 652 } ____cacheline_aligned_in_smp;
 653
 654 /**
 655  * struct iwl_mvm_baid_data - BA session data
 656  * @sta_id: station id
 657  * @tid: tid of the session
 658  * @baid baid of the session
 659  * @timeout: the timeout set in the addba request
 660  * @last_rx: last rx jiffies, updated only if timeout passed from last update
 661  * @session_timer: timer to check if BA session expired, runs at 2 * timeout
 662  * @mvm: mvm pointer, needed for timer context
 663  * @reorder_buf: reorder buffer, allocated per queue
 664  */
 665 struct iwl_mvm_baid_data {
 666         struct rcu_head rcu_head;
 667         u8 sta_id;
 668         u8 tid;
 669         u8 baid;
 670         u16 timeout;
 671         unsigned long last_rx;
 672         struct timer_list session_timer;
 673         struct iwl_mvm *mvm;
 674         struct iwl_mvm_reorder_buffer reorder_buf[];
 675 };
 676
 677 /*
 678  * enum iwl_mvm_queue_status - queue status
 679  * @IWL_MVM_QUEUE_FREE: the queue is not allocated nor reserved
 680  *      Basically, this means that this queue can be used for any purpose
 681  * @IWL_MVM_QUEUE_RESERVED: queue is reserved but not yet in use
 682  *      This is the state of a queue that has been dedicated for some RATID
 683  *      (agg'd or not), but that hasn't yet gone through the actual enablement
 684  *      of iwl_mvm_enable_txq(), and therefore no traffic can go through it yet.
 685  *      Note that in this state there is no requirement to already know what TID
 686  *      should be used with this queue, it is just marked as a queue that will
 687  *      be used, and shouldn't be allocated to anyone else.
 688  * @IWL_MVM_QUEUE_READY: queue is ready to be used
 689  *      This is the state of a queue that has been fully configured (including
 690  *      SCD pointers, etc), has a specific RA/TID assigned to it, and can be
 691  *      used to send traffic.
 692  * @IWL_MVM_QUEUE_SHARED: queue is shared, or in a process of becoming shared
 693  *      This is a state in which a single queue serves more than one TID, all of
 694  *      which are not aggregated. Note that the queue is only associated to one
 695  *      RA.
 696  * @IWL_MVM_QUEUE_INACTIVE: queue is allocated but no traffic on it
 697  *      This is a state of a queue that has had traffic on it, but during the
 698  *      last %IWL_MVM_DQA_QUEUE_TIMEOUT time period there has been no traffic on
 699  *      it. In this state, when a new queue is needed to be allocated but no
 700  *      such free queue exists, an inactive queue might be freed and given to
 701  *      the new RA/TID.
 702  */
 703 enum iwl_mvm_queue_status {
 704         IWL_MVM_QUEUE_FREE,
 705         IWL_MVM_QUEUE_RESERVED,
 706         IWL_MVM_QUEUE_READY,
 707         IWL_MVM_QUEUE_SHARED,
 708         IWL_MVM_QUEUE_INACTIVE,
 709 };
 710
 711 #define IWL_MVM_DQA_QUEUE_TIMEOUT       (5 * HZ)
 712 #define IWL_MVM_NUM_CIPHERS             8
 713
 714 struct iwl_mvm {
 715         /* for logger access */
 716         struct device *dev;
 717
 718         struct iwl_trans *trans;
 719         const struct iwl_fw *fw;
 720         const struct iwl_cfg *cfg;
 721         struct iwl_phy_db *phy_db;
 722         struct ieee80211_hw *hw;
 723
 724         /* for protecting access to iwl_mvm */
 725         struct mutex mutex;
 726         struct list_head async_handlers_list;
 727         spinlock_t async_handlers_lock;
 728         struct work_struct async_handlers_wk;
 729
 730         struct work_struct roc_done_wk;
 731
 732         unsigned long status;
 733
 734         u32 queue_sync_cookie;
 735         atomic_t queue_sync_counter;
 736         /*
 737          * for beacon filtering -
 738          * currently only one interface can be supported
 739          */
 740         struct iwl_mvm_vif *bf_allowed_vif;
 741
 742         enum iwl_ucode_type cur_ucode;
 743         bool ucode_loaded;
 744         bool calibrating;
 745         u32 error_event_table;
 746         u32 log_event_table;
 747         u32 umac_error_event_table;
 748         bool support_umac_log;
 749         struct iwl_sf_region sf_space;
 750
 751         u32 ampdu_ref;
 752         bool ampdu_toggle;
 753
 754         struct iwl_notif_wait_data notif_wait;
 755
 756         struct mvm_statistics_rx rx_stats;
 757
 758         struct {
 759                 u64 rx_time;
 760                 u64 tx_time;
 761                 u64 on_time_rf;
 762                 u64 on_time_scan;
 763         } radio_stats, accu_radio_stats;
 764
 765         struct {
 766                 /* Map to HW queue */
 767                 u32 hw_queue_to_mac80211;
 768                 u8 hw_queue_refcount;
 769                 u8 ra_sta_id; /* The RA this queue is mapped to, if exists */
 770                 bool reserved; /* Is this the TXQ reserved for a STA */
 771                 u8 mac80211_ac; /* The mac80211 AC this queue is mapped to */
 772                 u16 tid_bitmap; /* Bitmap of the TIDs mapped to this queue */
 773                 /* Timestamp for inactivation per TID of this queue */
 774                 unsigned long last_frame_time[IWL_MAX_TID_COUNT + 1];
 775                 enum iwl_mvm_queue_status status;
 776         } queue_info[IWL_MAX_HW_QUEUES];
 777         spinlock_t queue_info_lock; /* For syncing queue mgmt operations */
 778         struct work_struct add_stream_wk; /* To add streams to queues */
 779
 780         atomic_t mac80211_queue_stop_count[IEEE80211_MAX_QUEUES];
 781
 782         const char *nvm_file_name;
 783         struct iwl_nvm_data *nvm_data;
 784         /* NVM sections */
 785         struct iwl_nvm_section nvm_sections[NVM_MAX_NUM_SECTIONS];
 786
 787         /* Paging section */
 788         struct iwl_fw_paging fw_paging_db[NUM_OF_FW_PAGING_BLOCKS];
 789         u16 num_of_paging_blk;
 790         u16 num_of_pages_in_last_blk;
 791
 792         /* EEPROM MAC addresses */
 793         struct mac_address addresses[IWL_MVM_MAX_ADDRESSES];
 794
 795         /* data related to data path */
 796         struct iwl_rx_phy_info last_phy_info;
 797         struct ieee80211_sta __rcu *fw_id_to_mac_id[IWL_MVM_STATION_COUNT];
 798         struct work_struct sta_drained_wk;
 799         unsigned long sta_deferred_frames[BITS_TO_LONGS(IWL_MVM_STATION_COUNT)];
 800         unsigned long sta_drained[BITS_TO_LONGS(IWL_MVM_STATION_COUNT)];
 801         atomic_t pending_frames[IWL_MVM_STATION_COUNT];
 802         u32 tfd_drained[IWL_MVM_STATION_COUNT];
 803         u8 rx_ba_sessions;
 804
 805         /* configured by mac80211 */
 806         u32 rts_threshold;
 807
 808         /* Scan status, cmd (pre-allocated) and auxiliary station */
 809         unsigned int scan_status;
 810         void *scan_cmd;
 811         struct iwl_mcast_filter_cmd *mcast_filter_cmd;
 812         enum iwl_mvm_scan_type scan_type;
 813         enum iwl_mvm_sched_scan_pass_all_states sched_scan_pass_all;
 814         struct delayed_work scan_timeout_dwork;
 815
 816         /* max number of simultaneous scans the FW supports */
 817         unsigned int max_scans;
 818
 819         /* ts of the beginning of a non-collect fw dbg data period */
 820         unsigned long fw_dbg_non_collect_ts_start[FW_DBG_TRIGGER_MAX - 1];
 821
 822         /* UMAC scan tracking */
 823         u32 scan_uid_status[IWL_MVM_MAX_UMAC_SCANS];
 824
 825         /* rx chain antennas set through debugfs for the scan command */
 826         u8 scan_rx_ant;
 827
 828 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
 829         /* broadcast filters to configure for each associated station */
 830         const struct iwl_fw_bcast_filter *bcast_filters;
 831 #ifdef CONFIG_IWLWIFI_DEBUGFS
 832         struct {
 833                 bool override;
 834                 struct iwl_bcast_filter_cmd cmd;
 835         } dbgfs_bcast_filtering;
 836 #endif
 837 #endif
 838
 839         /* Internal station */
 840         struct iwl_mvm_int_sta aux_sta;
 841         struct iwl_mvm_int_sta snif_sta;
 842
 843         bool last_ebs_successful;
 844
 845         u8 scan_last_antenna_idx; /* to toggle TX between antennas */
 846         u8 mgmt_last_antenna_idx;
 847
 848         /* last smart fifo state that was successfully sent to firmware */
 849         enum iwl_sf_state sf_state;
 850
 851 #ifdef CONFIG_IWLWIFI_DEBUGFS
 852         struct dentry *debugfs_dir;
 853         u32 dbgfs_sram_offset, dbgfs_sram_len;
 854         u32 dbgfs_prph_reg_addr;
 855         bool disable_power_off;
 856         bool disable_power_off_d3;
 857
 858         bool scan_iter_notif_enabled;
 859
 860         struct debugfs_blob_wrapper nvm_hw_blob;
 861         struct debugfs_blob_wrapper nvm_sw_blob;
 862         struct debugfs_blob_wrapper nvm_calib_blob;
 863         struct debugfs_blob_wrapper nvm_prod_blob;
 864         struct debugfs_blob_wrapper nvm_phy_sku_blob;
 865
 866         struct iwl_mvm_frame_stats drv_rx_stats;
 867         spinlock_t drv_stats_lock;
 868         u16 dbgfs_rx_phyinfo;
 869 #endif
 870
 871         struct iwl_mvm_phy_ctxt phy_ctxts[NUM_PHY_CTX];
 872
 873         struct list_head time_event_list;
 874         spinlock_t time_event_lock;
 875
 876         /*
 877          * A bitmap indicating the index of the key in use. The firmware
 878          * can hold 16 keys at most. Reflect this fact.
 879          */
 880         unsigned long fw_key_table[BITS_TO_LONGS(STA_KEY_MAX_NUM)];
 881         u8 fw_key_deleted[STA_KEY_MAX_NUM];
 882
 883         /* references taken by the driver and spinlock protecting them */
 884         spinlock_t refs_lock;
 885         u8 refs[IWL_MVM_REF_COUNT];
 886
 887         u8 vif_count;
 888
 889         /* -1 for always, 0 for never, >0 for that many times */
 890         s8 restart_fw;
 891         u8 fw_dbg_conf;
 892         struct delayed_work fw_dump_wk;
 893         const struct iwl_mvm_dump_desc *fw_dump_desc;
 894         const struct iwl_fw_dbg_trigger_tlv *fw_dump_trig;
 895
 896 #ifdef CONFIG_IWLWIFI_LEDS
 897         struct led_classdev led;
 898 #endif
 899
 900         struct ieee80211_vif *p2p_device_vif;
 901
 902 #ifdef CONFIG_PM
 903         struct wiphy_wowlan_support wowlan;
 904         int gtk_ivlen, gtk_icvlen, ptk_ivlen, ptk_icvlen;
 905
 906         /* sched scan settings for net detect */
 907         struct ieee80211_scan_ies nd_ies;
 908         struct cfg80211_match_set *nd_match_sets;
 909         int n_nd_match_sets;
 910         struct ieee80211_channel **nd_channels;
 911         int n_nd_channels;
 912         bool net_detect;
 913 #ifdef CONFIG_IWLWIFI_DEBUGFS
 914         bool d3_wake_sysassert;
 915         bool d3_test_active;
 916         bool store_d3_resume_sram;
 917         void *d3_resume_sram;
 918         u32 d3_test_pme_ptr;
 919         struct ieee80211_vif *keep_vif;
 920         u32 last_netdetect_scans; /* no. of scans in the last net-detect wake */
 921 #endif
 922 #endif
 923
 924         /* d0i3 */
 925         u8 d0i3_ap_sta_id;
 926         bool d0i3_offloading;
 927         struct work_struct d0i3_exit_work;
 928         struct sk_buff_head d0i3_tx;
 929         /* protect d0i3_suspend_flags */
 930         struct mutex d0i3_suspend_mutex;
 931         unsigned long d0i3_suspend_flags;
 932         /* sync d0i3_tx queue and IWL_MVM_STATUS_IN_D0I3 status flag */
 933         spinlock_t d0i3_tx_lock;
 934         wait_queue_head_t d0i3_exit_waitq;
 935
 936         /* BT-Coex */
 937         struct iwl_bt_coex_profile_notif last_bt_notif;
 938         struct iwl_bt_coex_ci_cmd last_bt_ci_cmd;
 939
 940         u32 last_ant_isol;
 941         u8 last_corun_lut;
 942         u8 bt_tx_prio;
 943         enum iwl_bt_force_ant_mode bt_force_ant_mode;
 944
 945         /* Aux ROC */
 946         struct list_head aux_roc_te_list;
 947
 948         /* Thermal Throttling and CTkill */
 949         struct iwl_mvm_tt_mgmt thermal_throttle;
 950 #ifdef CONFIG_THERMAL
 951         struct iwl_mvm_thermal_device tz_device;
 952         struct iwl_mvm_cooling_device cooling_dev;
 953 #endif
 954
 955         s32 temperature;        /* Celsius */
 956         /*
 957          * Debug option to set the NIC temperature. This option makes the
 958          * driver think this is the actual NIC temperature, and ignore the
 959          * real temperature that is received from the fw
 960          */
 961         bool temperature_test;  /* Debug test temperature is enabled */
 962
 963         struct iwl_time_quota_cmd last_quota_cmd;
 964
 965 #ifdef CONFIG_NL80211_TESTMODE
 966         u32 noa_duration;
 967         struct ieee80211_vif *noa_vif;
 968 #endif
 969
 970         /* Tx queues */
 971         u8 aux_queue;
 972         u8 first_agg_queue;
 973         u8 last_agg_queue;
 974
 975         /* Indicate if device power save is allowed */
 976         u8 ps_disabled; /* u8 instead of bool to ease debugfs_create_* usage */
 977         unsigned int max_amsdu_len; /* used for debugfs only */
 978
 979         struct ieee80211_vif __rcu *csa_vif;
 980         struct ieee80211_vif __rcu *csa_tx_blocked_vif;
 981         u8 csa_tx_block_bcn_timeout;
 982
 983         /* system time of last beacon (for AP/GO interface) */
 984         u32 ap_last_beacon_gp2;
 985
 986         bool lar_regdom_set;
 987         enum iwl_mcc_source mcc_src;
 988
 989         /* TDLS channel switch data */
 990         struct {
 991                 struct delayed_work dwork;
 992                 enum iwl_mvm_tdls_cs_state state;
 993
 994                 /*
 995                  * Current cs sta - might be different from periodic cs peer
 996                  * station. Value is meaningless when the cs-state is idle.
 997                  */
 998                 u8 cur_sta_id;
 999
1000                 /* TDLS periodic channel-switch peer */
1001                 struct {
1002                         u8 sta_id;
1003                         u8 op_class;
1004                         bool initiator; /* are we the link initiator */
1005                         struct cfg80211_chan_def chandef;
1006                         struct sk_buff *skb; /* ch sw template */
1007                         u32 ch_sw_tm_ie;
1008
1009                         /* timestamp of last ch-sw request sent (GP2 time) */
1010                         u32 sent_timestamp;
1011                 } peer;
1012         } tdls_cs;
1013
1014         struct iwl_mvm_shared_mem_cfg shared_mem_cfg;
1015
1016         u32 ciphers[IWL_MVM_NUM_CIPHERS];
1017         struct ieee80211_cipher_scheme cs[IWL_UCODE_MAX_CS];
1018         struct iwl_mvm_tof_data tof_data;
1019
1020         struct ieee80211_vif *nan_vif;
1021 #define IWL_MAX_BAID    32
1022         struct iwl_mvm_baid_data __rcu *baid_map[IWL_MAX_BAID];
1023
1024         /*
1025          * Drop beacons from other APs in AP mode when there are no connected
1026          * clients.
1027          */
1028         bool drop_bcn_ap_mode;
1029
1030         struct delayed_work cs_tx_unblock_dwork;
1031 };
1032
1033 /* Extract MVM priv from op_mode and _hw */
1034 #define IWL_OP_MODE_GET_MVM(_iwl_op_mode)               \
1035         ((struct iwl_mvm *)(_iwl_op_mode)->op_mode_specific)
1036
1037 #define IWL_MAC80211_GET_MVM(_hw)                       \
1038         IWL_OP_MODE_GET_MVM((struct iwl_op_mode *)((_hw)->priv))
1039
1040 enum iwl_mvm_status {
1041         IWL_MVM_STATUS_HW_RFKILL,
1042         IWL_MVM_STATUS_HW_CTKILL,
1043         IWL_MVM_STATUS_ROC_RUNNING,
1044         IWL_MVM_STATUS_IN_HW_RESTART,
1045         IWL_MVM_STATUS_IN_D0I3,
1046         IWL_MVM_STATUS_ROC_AUX_RUNNING,
1047         IWL_MVM_STATUS_D3_RECONFIG,
1048         IWL_MVM_STATUS_DUMPING_FW_LOG,
1049 };
1050
1051 static inline bool iwl_mvm_is_radio_killed(struct iwl_mvm *mvm)
1052 {
1053         return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status) ||
1054                test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
1055 }
1056
1057 static inline bool iwl_mvm_is_radio_hw_killed(struct iwl_mvm *mvm)
1058 {
1059         return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status);
1060 }
1061
1062 /* Must be called with rcu_read_lock() held and it can only be
1063  * released when mvmsta is not needed anymore.
1064  */
1065 static inline struct iwl_mvm_sta *
1066 iwl_mvm_sta_from_staid_rcu(struct iwl_mvm *mvm, u8 sta_id)
1067 {
1068         struct ieee80211_sta *sta;
1069
1070         if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
1071                 return NULL;
1072
1073         sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
1074
1075         /* This can happen if the station has been removed right now */
1076         if (IS_ERR_OR_NULL(sta))
1077                 return NULL;
1078
1079         return iwl_mvm_sta_from_mac80211(sta);
1080 }
1081
1082 static inline struct iwl_mvm_sta *
1083 iwl_mvm_sta_from_staid_protected(struct iwl_mvm *mvm, u8 sta_id)
1084 {
1085         struct ieee80211_sta *sta;
1086
1087         if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
1088                 return NULL;
1089
1090         sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id],
1091                                         lockdep_is_held(&mvm->mutex));
1092
1093         /* This can happen if the station has been removed right now */
1094         if (IS_ERR_OR_NULL(sta))
1095                 return NULL;
1096
1097         return iwl_mvm_sta_from_mac80211(sta);
1098 }
1099
1100 static inline bool iwl_mvm_is_d0i3_supported(struct iwl_mvm *mvm)
1101 {
1102         return !iwlwifi_mod_params.d0i3_disable &&
1103                 fw_has_capa(&mvm->fw->ucode_capa,
1104                             IWL_UCODE_TLV_CAPA_D0I3_SUPPORT);
1105 }
1106
1107 static inline bool iwl_mvm_is_dqa_supported(struct iwl_mvm *mvm)
1108 {
1109         /* Make sure DQA isn't allowed in driver until feature is complete */
1110         return false && fw_has_capa(&mvm->fw->ucode_capa,
1111                                     IWL_UCODE_TLV_CAPA_DQA_SUPPORT);
1112 }
1113
1114 static inline bool iwl_mvm_enter_d0i3_on_suspend(struct iwl_mvm *mvm)
1115 {
1116         /* For now we only use this mode to differentiate between
1117          * slave transports, which handle D0i3 entry in suspend by
1118          * themselves in conjunction with runtime PM D0i3.  So, this
1119          * function is used to check whether we need to do anything
1120          * when entering suspend or if the transport layer has already
1121          * done it.
1122          */
1123         return (mvm->trans->system_pm_mode == IWL_PLAT_PM_MODE_D0I3) &&
1124                 (mvm->trans->runtime_pm_mode != IWL_PLAT_PM_MODE_D0I3);
1125 }
1126
1127 static inline bool iwl_mvm_is_lar_supported(struct iwl_mvm *mvm)
1128 {
1129         bool nvm_lar = mvm->nvm_data->lar_enabled;
1130         bool tlv_lar = fw_has_capa(&mvm->fw->ucode_capa,
1131                                    IWL_UCODE_TLV_CAPA_LAR_SUPPORT);
1132
1133         if (iwlwifi_mod_params.lar_disable)
1134                 return false;
1135
1136         /*
1137          * Enable LAR only if it is supported by the FW (TLV) &&
1138          * enabled in the NVM
1139          */
1140         if (mvm->cfg->device_family == IWL_DEVICE_FAMILY_8000)
1141                 return nvm_lar && tlv_lar;
1142         else
1143                 return tlv_lar;
1144 }
1145
1146 static inline bool iwl_mvm_is_wifi_mcc_supported(struct iwl_mvm *mvm)
1147 {
1148         return fw_has_api(&mvm->fw->ucode_capa,
1149                           IWL_UCODE_TLV_API_WIFI_MCC_UPDATE) ||
1150                fw_has_capa(&mvm->fw->ucode_capa,
1151                            IWL_UCODE_TLV_CAPA_LAR_MULTI_MCC);
1152 }
1153
1154 static inline bool iwl_mvm_bt_is_plcr_supported(struct iwl_mvm *mvm)
1155 {
1156         return fw_has_capa(&mvm->fw->ucode_capa,
1157                            IWL_UCODE_TLV_CAPA_BT_COEX_PLCR) &&
1158                 IWL_MVM_BT_COEX_CORUNNING;
1159 }
1160
1161 static inline bool iwl_mvm_bt_is_rrc_supported(struct iwl_mvm *mvm)
1162 {
1163         return fw_has_capa(&mvm->fw->ucode_capa,
1164                            IWL_UCODE_TLV_CAPA_BT_COEX_RRC) &&
1165                 IWL_MVM_BT_COEX_RRC;
1166 }
1167
1168 static inline bool iwl_mvm_is_csum_supported(struct iwl_mvm *mvm)
1169 {
1170         return fw_has_capa(&mvm->fw->ucode_capa,
1171                            IWL_UCODE_TLV_CAPA_CSUM_SUPPORT) &&
1172                !IWL_MVM_HW_CSUM_DISABLE;
1173 }
1174
1175 static inline bool iwl_mvm_is_mplut_supported(struct iwl_mvm *mvm)
1176 {
1177         return fw_has_capa(&mvm->fw->ucode_capa,
1178                            IWL_UCODE_TLV_CAPA_BT_MPLUT_SUPPORT) &&
1179                 IWL_MVM_BT_COEX_MPLUT;
1180 }
1181
1182 static inline
1183 bool iwl_mvm_is_p2p_scm_uapsd_supported(struct iwl_mvm *mvm)
1184 {
1185         return fw_has_capa(&mvm->fw->ucode_capa,
1186                            IWL_UCODE_TLV_CAPA_P2P_SCM_UAPSD) &&
1187                 !(iwlwifi_mod_params.uapsd_disable &
1188                   IWL_DISABLE_UAPSD_P2P_CLIENT);
1189 }
1190
1191 static inline bool iwl_mvm_has_new_rx_api(struct iwl_mvm *mvm)
1192 {
1193         return fw_has_capa(&mvm->fw->ucode_capa,
1194                            IWL_UCODE_TLV_CAPA_MULTI_QUEUE_RX_SUPPORT);
1195 }
1196
1197 static inline bool iwl_mvm_is_tt_in_fw(struct iwl_mvm *mvm)
1198 {
1199 #ifdef CONFIG_THERMAL
1200         /* these two TLV are redundant since the responsibility to CT-kill by
1201          * FW happens only after we send at least one command of
1202          * temperature THs report.
1203          */
1204         return fw_has_capa(&mvm->fw->ucode_capa,
1205                            IWL_UCODE_TLV_CAPA_CT_KILL_BY_FW) &&
1206                fw_has_capa(&mvm->fw->ucode_capa,
1207                            IWL_UCODE_TLV_CAPA_TEMP_THS_REPORT_SUPPORT);
1208 #else /* CONFIG_THERMAL */
1209         return false;
1210 #endif /* CONFIG_THERMAL */
1211 }
1212
1213 static inline bool iwl_mvm_is_ctdp_supported(struct iwl_mvm *mvm)
1214 {
1215         return fw_has_capa(&mvm->fw->ucode_capa,
1216                            IWL_UCODE_TLV_CAPA_CTDP_SUPPORT);
1217 }
1218
1219 extern const u8 iwl_mvm_ac_to_tx_fifo[];
1220
1221 struct iwl_rate_info {
1222         u8 plcp;        /* uCode API:  IWL_RATE_6M_PLCP, etc. */
1223         u8 plcp_siso;   /* uCode API:  IWL_RATE_SISO_6M_PLCP, etc. */
1224         u8 plcp_mimo2;  /* uCode API:  IWL_RATE_MIMO2_6M_PLCP, etc. */
1225         u8 plcp_mimo3;  /* uCode API:  IWL_RATE_MIMO3_6M_PLCP, etc. */
1226         u8 ieee;        /* MAC header:  IWL_RATE_6M_IEEE, etc. */
1227 };
1228
1229 void __iwl_mvm_mac_stop(struct iwl_mvm *mvm);
1230 int __iwl_mvm_mac_start(struct iwl_mvm *mvm);
1231
1232 /******************
1233  * MVM Methods
1234  ******************/
1235 /* uCode */
1236 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm);
1237
1238 /* Utils */
1239 int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags,
1240                                         enum nl80211_band band);
1241 void iwl_mvm_hwrate_to_tx_rate(u32 rate_n_flags,
1242                                enum nl80211_band band,
1243                                struct ieee80211_tx_rate *r);
1244 u8 iwl_mvm_mac80211_idx_to_hwrate(int rate_idx);
1245 void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm);
1246 u8 first_antenna(u8 mask);
1247 u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx);
1248
1249 /* Tx / Host Commands */
1250 int __must_check iwl_mvm_send_cmd(struct iwl_mvm *mvm,
1251                                   struct iwl_host_cmd *cmd);
1252 int __must_check iwl_mvm_send_cmd_pdu(struct iwl_mvm *mvm, u32 id,
1253                                       u32 flags, u16 len, const void *data);
1254 int __must_check iwl_mvm_send_cmd_status(struct iwl_mvm *mvm,
1255                                          struct iwl_host_cmd *cmd,
1256                                          u32 *status);
1257 int __must_check iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u32 id,
1258                                              u16 len, const void *data,
1259                                              u32 *status);
1260 int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb,
1261                    struct ieee80211_sta *sta);
1262 int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb);
1263 void iwl_mvm_set_tx_cmd(struct iwl_mvm *mvm, struct sk_buff *skb,
1264                         struct iwl_tx_cmd *tx_cmd,
1265                         struct ieee80211_tx_info *info, u8 sta_id);
1266 void iwl_mvm_set_tx_cmd_rate(struct iwl_mvm *mvm, struct iwl_tx_cmd *tx_cmd,
1267                             struct ieee80211_tx_info *info,
1268                             struct ieee80211_sta *sta, __le16 fc);
1269 #ifdef CONFIG_IWLWIFI_DEBUG
1270 const char *iwl_mvm_get_tx_fail_reason(u32 status);
1271 #else
1272 static inline const char *iwl_mvm_get_tx_fail_reason(u32 status) { return ""; }
1273 #endif
1274 int iwl_mvm_flush_tx_path(struct iwl_mvm *mvm, u32 tfd_msk, u32 flags);
1275 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm);
1276
1277 static inline void iwl_mvm_set_tx_cmd_ccmp(struct ieee80211_tx_info *info,
1278                                            struct iwl_tx_cmd *tx_cmd)
1279 {
1280         struct ieee80211_key_conf *keyconf = info->control.hw_key;
1281
1282         tx_cmd->sec_ctl = TX_CMD_SEC_CCM;
1283         memcpy(tx_cmd->key, keyconf->key, keyconf->keylen);
1284         if (info->flags & IEEE80211_TX_CTL_AMPDU)
1285                 tx_cmd->tx_flags |= cpu_to_le32(TX_CMD_FLG_CCMP_AGG);
1286 }
1287
1288 static inline void iwl_mvm_wait_for_async_handlers(struct iwl_mvm *mvm)
1289 {
1290         flush_work(&mvm->async_handlers_wk);
1291 }
1292
1293 /* Statistics */
1294 void iwl_mvm_handle_rx_statistics(struct iwl_mvm *mvm,
1295                                   struct iwl_rx_packet *pkt);
1296 void iwl_mvm_rx_statistics(struct iwl_mvm *mvm,
1297                            struct iwl_rx_cmd_buffer *rxb);
1298 int iwl_mvm_request_statistics(struct iwl_mvm *mvm, bool clear);
1299 void iwl_mvm_accu_radio_stats(struct iwl_mvm *mvm);
1300
1301 /* NVM */
1302 int iwl_nvm_init(struct iwl_mvm *mvm, bool read_nvm_from_nic);
1303 int iwl_mvm_load_nvm_to_nic(struct iwl_mvm *mvm);
1304
1305 static inline u8 iwl_mvm_get_valid_tx_ant(struct iwl_mvm *mvm)
1306 {
1307         return mvm->nvm_data && mvm->nvm_data->valid_tx_ant ?
1308                mvm->fw->valid_tx_ant & mvm->nvm_data->valid_tx_ant :
1309                mvm->fw->valid_tx_ant;
1310 }
1311
1312 static inline u8 iwl_mvm_get_valid_rx_ant(struct iwl_mvm *mvm)
1313 {
1314         return mvm->nvm_data && mvm->nvm_data->valid_rx_ant ?
1315                mvm->fw->valid_rx_ant & mvm->nvm_data->valid_rx_ant :
1316                mvm->fw->valid_rx_ant;
1317 }
1318
1319 static inline u32 iwl_mvm_get_phy_config(struct iwl_mvm *mvm)
1320 {
1321         u32 phy_config = ~(FW_PHY_CFG_TX_CHAIN |
1322                            FW_PHY_CFG_RX_CHAIN);
1323         u32 valid_rx_ant = iwl_mvm_get_valid_rx_ant(mvm);
1324         u32 valid_tx_ant = iwl_mvm_get_valid_tx_ant(mvm);
1325
1326         phy_config |= valid_tx_ant << FW_PHY_CFG_TX_CHAIN_POS |
1327                       valid_rx_ant << FW_PHY_CFG_RX_CHAIN_POS;
1328
1329         return mvm->fw->phy_config & phy_config;
1330 }
1331
1332 int iwl_mvm_up(struct iwl_mvm *mvm);
1333 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm);
1334
1335 int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm);
1336 bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm,
1337                                     struct iwl_bcast_filter_cmd *cmd);
1338
1339 /*
1340  * FW notifications / CMD responses handlers
1341  * Convention: iwl_mvm_rx_<NAME OF THE CMD>
1342  */
1343 void iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1344 void iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct napi_struct *napi,
1345                         struct iwl_rx_cmd_buffer *rxb);
1346 void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi,
1347                         struct iwl_rx_cmd_buffer *rxb, int queue);
1348 void iwl_mvm_rx_frame_release(struct iwl_mvm *mvm, struct napi_struct *napi,
1349                               struct iwl_rx_cmd_buffer *rxb, int queue);
1350 int iwl_mvm_notify_rx_queue(struct iwl_mvm *mvm, u32 rxq_mask,
1351                             const u8 *data, u32 count);
1352 void iwl_mvm_rx_queue_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1353                             int queue);
1354 void iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1355 void iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1356 void iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm,
1357                                    struct iwl_rx_cmd_buffer *rxb);
1358 void iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1359 void iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
1360                                  struct iwl_rx_cmd_buffer *rxb);
1361 void iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm,
1362                              struct iwl_rx_cmd_buffer *rxb);
1363 void iwl_mvm_rx_shared_mem_cfg_notif(struct iwl_mvm *mvm,
1364                                      struct iwl_rx_cmd_buffer *rxb);
1365
1366 /* MVM PHY */
1367 int iwl_mvm_phy_ctxt_add(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
1368                          struct cfg80211_chan_def *chandef,
1369                          u8 chains_static, u8 chains_dynamic);
1370 int iwl_mvm_phy_ctxt_changed(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
1371                              struct cfg80211_chan_def *chandef,
1372                              u8 chains_static, u8 chains_dynamic);
1373 void iwl_mvm_phy_ctxt_ref(struct iwl_mvm *mvm,
1374                           struct iwl_mvm_phy_ctxt *ctxt);
1375 void iwl_mvm_phy_ctxt_unref(struct iwl_mvm *mvm,
1376                             struct iwl_mvm_phy_ctxt *ctxt);
1377 int iwl_mvm_phy_ctx_count(struct iwl_mvm *mvm);
1378 u8 iwl_mvm_get_channel_width(struct cfg80211_chan_def *chandef);
1379 u8 iwl_mvm_get_ctrl_pos(struct cfg80211_chan_def *chandef);
1380
1381 /* MAC (virtual interface) programming */
1382 int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1383 void iwl_mvm_mac_ctxt_release(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1384 int iwl_mvm_mac_ctxt_add(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1385 int iwl_mvm_mac_ctxt_changed(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1386                              bool force_assoc_off, const u8 *bssid_override);
1387 int iwl_mvm_mac_ctxt_remove(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1388 u32 iwl_mvm_mac_get_queues_mask(struct ieee80211_vif *vif);
1389 int iwl_mvm_mac_ctxt_beacon_changed(struct iwl_mvm *mvm,
1390                                     struct ieee80211_vif *vif);
1391 void iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm,
1392                              struct iwl_rx_cmd_buffer *rxb);
1393 void iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm,
1394                                      struct iwl_rx_cmd_buffer *rxb);
1395 void iwl_mvm_rx_stored_beacon_notif(struct iwl_mvm *mvm,
1396                                     struct iwl_rx_cmd_buffer *rxb);
1397 void iwl_mvm_mu_mimo_grp_notif(struct iwl_mvm *mvm,
1398                                struct iwl_rx_cmd_buffer *rxb);
1399 void iwl_mvm_window_status_notif(struct iwl_mvm *mvm,
1400                                  struct iwl_rx_cmd_buffer *rxb);
1401 void iwl_mvm_mac_ctxt_recalc_tsf_id(struct iwl_mvm *mvm,
1402                                     struct ieee80211_vif *vif);
1403 unsigned long iwl_mvm_get_used_hw_queues(struct iwl_mvm *mvm,
1404                                          struct ieee80211_vif *exclude_vif);
1405 void iwl_mvm_channel_switch_noa_notif(struct iwl_mvm *mvm,
1406                                       struct iwl_rx_cmd_buffer *rxb);
1407 /* Bindings */
1408 int iwl_mvm_binding_add_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1409 int iwl_mvm_binding_remove_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1410
1411 /* Quota management */
1412 int iwl_mvm_update_quotas(struct iwl_mvm *mvm, bool force_upload,
1413                           struct ieee80211_vif *disabled_vif);
1414
1415 /* Scanning */
1416 int iwl_mvm_reg_scan_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1417                            struct cfg80211_scan_request *req,
1418                            struct ieee80211_scan_ies *ies);
1419 int iwl_mvm_scan_size(struct iwl_mvm *mvm);
1420 int iwl_mvm_scan_stop(struct iwl_mvm *mvm, int type, bool notify);
1421 int iwl_mvm_max_scan_ie_len(struct iwl_mvm *mvm);
1422 void iwl_mvm_report_scan_aborted(struct iwl_mvm *mvm);
1423 void iwl_mvm_scan_timeout_wk(struct work_struct *work);
1424
1425 /* Scheduled scan */
1426 void iwl_mvm_rx_lmac_scan_complete_notif(struct iwl_mvm *mvm,
1427                                          struct iwl_rx_cmd_buffer *rxb);
1428 void iwl_mvm_rx_lmac_scan_iter_complete_notif(struct iwl_mvm *mvm,
1429                                               struct iwl_rx_cmd_buffer *rxb);
1430 int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm,
1431                              struct ieee80211_vif *vif,
1432                              struct cfg80211_sched_scan_request *req,
1433                              struct ieee80211_scan_ies *ies,
1434                              int type);
1435 void iwl_mvm_rx_scan_match_found(struct iwl_mvm *mvm,
1436                                  struct iwl_rx_cmd_buffer *rxb);
1437
1438 /* UMAC scan */
1439 int iwl_mvm_config_scan(struct iwl_mvm *mvm);
1440 void iwl_mvm_rx_umac_scan_complete_notif(struct iwl_mvm *mvm,
1441                                          struct iwl_rx_cmd_buffer *rxb);
1442 void iwl_mvm_rx_umac_scan_iter_complete_notif(struct iwl_mvm *mvm,
1443                                               struct iwl_rx_cmd_buffer *rxb);
1444
1445 /* Paging */
1446 void iwl_free_fw_paging(struct iwl_mvm *mvm);
1447
1448 /* MVM debugfs */
1449 #ifdef CONFIG_IWLWIFI_DEBUGFS
1450 int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir);
1451 void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1452 void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1453 #else
1454 static inline int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm,
1455                                          struct dentry *dbgfs_dir)
1456 {
1457         return 0;
1458 }
1459 static inline void
1460 iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1461 {
1462 }
1463 static inline void
1464 iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1465 {
1466 }
1467 #endif /* CONFIG_IWLWIFI_DEBUGFS */
1468
1469 /* rate scaling */
1470 int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool init);
1471 void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm, u32 rate, bool agg);
1472 int rs_pretty_print_rate(char *buf, const u32 rate);
1473 void rs_update_last_rssi(struct iwl_mvm *mvm,
1474                          struct iwl_lq_sta *lq_sta,
1475                          struct ieee80211_rx_status *rx_status);
1476
1477 /* power management */
1478 int iwl_mvm_power_update_device(struct iwl_mvm *mvm);
1479 int iwl_mvm_power_update_mac(struct iwl_mvm *mvm);
1480 int iwl_mvm_power_update_ps(struct iwl_mvm *mvm);
1481 int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1482                                  char *buf, int bufsz);
1483
1484 void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1485 void iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm,
1486                                               struct iwl_rx_cmd_buffer *rxb);
1487
1488 #ifdef CONFIG_IWLWIFI_LEDS
1489 int iwl_mvm_leds_init(struct iwl_mvm *mvm);
1490 void iwl_mvm_leds_exit(struct iwl_mvm *mvm);
1491 #else
1492 static inline int iwl_mvm_leds_init(struct iwl_mvm *mvm)
1493 {
1494         return 0;
1495 }
1496 static inline void iwl_mvm_leds_exit(struct iwl_mvm *mvm)
1497 {
1498 }
1499 #endif
1500
1501 /* D3 (WoWLAN, NetDetect) */
1502 int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan);
1503 int iwl_mvm_resume(struct ieee80211_hw *hw);
1504 void iwl_mvm_set_wakeup(struct ieee80211_hw *hw, bool enabled);
1505 void iwl_mvm_set_rekey_data(struct ieee80211_hw *hw,
1506                             struct ieee80211_vif *vif,
1507                             struct cfg80211_gtk_rekey_data *data);
1508 void iwl_mvm_ipv6_addr_change(struct ieee80211_hw *hw,
1509                               struct ieee80211_vif *vif,
1510                               struct inet6_dev *idev);
1511 void iwl_mvm_set_default_unicast_key(struct ieee80211_hw *hw,
1512                                      struct ieee80211_vif *vif, int idx);
1513 extern const struct file_operations iwl_dbgfs_d3_test_ops;
1514 #ifdef CONFIG_PM
1515 int iwl_mvm_wowlan_config_key_params(struct iwl_mvm *mvm,
1516                                      struct ieee80211_vif *vif,
1517                                      bool host_awake,
1518                                      u32 cmd_flags);
1519 void iwl_mvm_d0i3_update_keys(struct iwl_mvm *mvm,
1520                               struct ieee80211_vif *vif,
1521                               struct iwl_wowlan_status *status);
1522 void iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm,
1523                                  struct ieee80211_vif *vif);
1524 #else
1525 static inline int iwl_mvm_wowlan_config_key_params(struct iwl_mvm *mvm,
1526                                                    struct ieee80211_vif *vif,
1527                                                    bool host_awake,
1528                                                    u32 cmd_flags)
1529 {
1530         return 0;
1531 }
1532
1533 static inline void iwl_mvm_d0i3_update_keys(struct iwl_mvm *mvm,
1534                                             struct ieee80211_vif *vif,
1535                                             struct iwl_wowlan_status *status)
1536 {
1537 }
1538
1539 static inline void
1540 iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1541 {
1542 }
1543 #endif
1544 void iwl_mvm_set_wowlan_qos_seq(struct iwl_mvm_sta *mvm_ap_sta,
1545                                 struct iwl_wowlan_config_cmd *cmd);
1546 int iwl_mvm_send_proto_offload(struct iwl_mvm *mvm,
1547                                struct ieee80211_vif *vif,
1548                                bool disable_offloading,
1549                                bool offload_ns,
1550                                u32 cmd_flags);
1551
1552 /* D0i3 */
1553 void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1554 void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1555 int iwl_mvm_ref_sync(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1556 bool iwl_mvm_ref_taken(struct iwl_mvm *mvm);
1557 void iwl_mvm_d0i3_enable_tx(struct iwl_mvm *mvm, __le16 *qos_seq);
1558 int iwl_mvm_enter_d0i3(struct iwl_op_mode *op_mode);
1559 int iwl_mvm_exit_d0i3(struct iwl_op_mode *op_mode);
1560 int _iwl_mvm_exit_d0i3(struct iwl_mvm *mvm);
1561
1562 /* BT Coex */
1563 int iwl_send_bt_init_conf(struct iwl_mvm *mvm);
1564 void iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm,
1565                               struct iwl_rx_cmd_buffer *rxb);
1566 void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1567                            enum ieee80211_rssi_event_data);
1568 void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm);
1569 u16 iwl_mvm_coex_agg_time_limit(struct iwl_mvm *mvm,
1570                                 struct ieee80211_sta *sta);
1571 bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm,
1572                                      struct ieee80211_sta *sta);
1573 bool iwl_mvm_bt_coex_is_ant_avail(struct iwl_mvm *mvm, u8 ant);
1574 bool iwl_mvm_bt_coex_is_shared_ant_avail(struct iwl_mvm *mvm);
1575 bool iwl_mvm_bt_coex_is_tpc_allowed(struct iwl_mvm *mvm,
1576                                     enum nl80211_band band);
1577 u8 iwl_mvm_bt_coex_tx_prio(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr,
1578                            struct ieee80211_tx_info *info, u8 ac);
1579
1580 /* beacon filtering */
1581 #ifdef CONFIG_IWLWIFI_DEBUGFS
1582 void
1583 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1584                                          struct iwl_beacon_filter_cmd *cmd);
1585 #else
1586 static inline void
1587 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1588                                          struct iwl_beacon_filter_cmd *cmd)
1589 {}
1590 #endif
1591 int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm,
1592                                    struct ieee80211_vif *vif,
1593                                    bool enable, u32 flags);
1594 int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
1595                                  struct ieee80211_vif *vif,
1596                                  u32 flags);
1597 int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
1598                                   struct ieee80211_vif *vif,
1599                                   u32 flags);
1600 /* SMPS */
1601 void iwl_mvm_update_smps(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1602                                 enum iwl_mvm_smps_type_request req_type,
1603                                 enum ieee80211_smps_mode smps_request);
1604 bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm *mvm);
1605
1606 /* Low latency */
1607 int iwl_mvm_update_low_latency(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1608                                bool value);
1609 /* get SystemLowLatencyMode - only needed for beacon threshold? */
1610 bool iwl_mvm_low_latency(struct iwl_mvm *mvm);
1611 /* get VMACLowLatencyMode */
1612 static inline bool iwl_mvm_vif_low_latency(struct iwl_mvm_vif *mvmvif)
1613 {
1614         /*
1615          * should this consider associated/active/... state?
1616          *
1617          * Normally low-latency should only be active on interfaces
1618          * that are active, but at least with debugfs it can also be
1619          * enabled on interfaces that aren't active. However, when
1620          * interface aren't active then they aren't added into the
1621          * binding, so this has no real impact. For now, just return
1622          * the current desired low-latency state.
1623          */
1624         return mvmvif->low_latency_dbgfs ||
1625                mvmvif->low_latency_traffic ||
1626                mvmvif->low_latency_vcmd;
1627 }
1628
1629 /* hw scheduler queue config */
1630 void iwl_mvm_enable_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue,
1631                         u16 ssn, const struct iwl_trans_txq_scd_cfg *cfg,
1632                         unsigned int wdg_timeout);
1633 /*
1634  * Disable a TXQ.
1635  * Note that in non-DQA mode the %mac80211_queue and %tid params are ignored.
1636  */
1637 void iwl_mvm_disable_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue,
1638                          u8 tid, u8 flags);
1639 int iwl_mvm_find_free_queue(struct iwl_mvm *mvm, u8 sta_id, u8 minq, u8 maxq);
1640
1641 /* Return a bitmask with all the hw supported queues, except for the
1642  * command queue, which can't be flushed.
1643  */
1644 static inline u32 iwl_mvm_flushable_queues(struct iwl_mvm *mvm)
1645 {
1646         return ((BIT(mvm->cfg->base_params->num_of_queues) - 1) &
1647                 ~BIT(IWL_MVM_CMD_QUEUE));
1648 }
1649
1650 static inline
1651 void iwl_mvm_enable_ac_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue,
1652                            u8 fifo, u16 ssn, unsigned int wdg_timeout)
1653 {
1654         struct iwl_trans_txq_scd_cfg cfg = {
1655                 .fifo = fifo,
1656                 .tid = IWL_MAX_TID_COUNT,
1657                 .aggregate = false,
1658                 .frame_limit = IWL_FRAME_LIMIT,
1659         };
1660
1661         iwl_mvm_enable_txq(mvm, queue, mac80211_queue, ssn, &cfg, wdg_timeout);
1662 }
1663
1664 static inline void iwl_mvm_stop_device(struct iwl_mvm *mvm)
1665 {
1666         mvm->ucode_loaded = false;
1667         iwl_trans_stop_device(mvm->trans);
1668 }
1669
1670 /* Stop/start all mac queues in a given bitmap */
1671 void iwl_mvm_start_mac_queues(struct iwl_mvm *mvm, unsigned long mq);
1672 void iwl_mvm_stop_mac_queues(struct iwl_mvm *mvm, unsigned long mq);
1673
1674 /* Re-configure the SCD for a queue that has already been configured */
1675 int iwl_mvm_reconfig_scd(struct iwl_mvm *mvm, int queue, int fifo, int sta_id,
1676                          int tid, int frame_limit, u16 ssn);
1677
1678 /* Thermal management and CT-kill */
1679 void iwl_mvm_tt_tx_backoff(struct iwl_mvm *mvm, u32 backoff);
1680 void iwl_mvm_tt_temp_changed(struct iwl_mvm *mvm, u32 temp);
1681 void iwl_mvm_temp_notif(struct iwl_mvm *mvm,
1682                         struct iwl_rx_cmd_buffer *rxb);
1683 void iwl_mvm_tt_handler(struct iwl_mvm *mvm);
1684 void iwl_mvm_thermal_initialize(struct iwl_mvm *mvm, u32 min_backoff);
1685 void iwl_mvm_thermal_exit(struct iwl_mvm *mvm);
1686 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state);
1687 int iwl_mvm_get_temp(struct iwl_mvm *mvm, s32 *temp);
1688 void iwl_mvm_ct_kill_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1689 int iwl_mvm_send_temp_report_ths_cmd(struct iwl_mvm *mvm);
1690 int iwl_mvm_ctdp_command(struct iwl_mvm *mvm, u32 op, u32 budget);
1691
1692 /* Location Aware Regulatory */
1693 struct iwl_mcc_update_resp *
1694 iwl_mvm_update_mcc(struct iwl_mvm *mvm, const char *alpha2,
1695                    enum iwl_mcc_source src_id);
1696 int iwl_mvm_init_mcc(struct iwl_mvm *mvm);
1697 void iwl_mvm_rx_chub_update_mcc(struct iwl_mvm *mvm,
1698                                 struct iwl_rx_cmd_buffer *rxb);
1699 struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy,
1700                                                   const char *alpha2,
1701                                                   enum iwl_mcc_source src_id,
1702                                                   bool *changed);
1703 struct ieee80211_regdomain *iwl_mvm_get_current_regdomain(struct iwl_mvm *mvm,
1704                                                           bool *changed);
1705 int iwl_mvm_init_fw_regd(struct iwl_mvm *mvm);
1706 void iwl_mvm_update_changed_regdom(struct iwl_mvm *mvm);
1707
1708 /* smart fifo */
1709 int iwl_mvm_sf_update(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1710                       bool added_vif);
1711
1712 /* TDLS */
1713
1714 /*
1715  * We use TID 4 (VI) as a FW-used-only TID when TDLS connections are present.
1716  * This TID is marked as used vs the AP and all connected TDLS peers.
1717  */
1718 #define IWL_MVM_TDLS_FW_TID 4
1719
1720 int iwl_mvm_tdls_sta_count(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1721 void iwl_mvm_teardown_tdls_peers(struct iwl_mvm *mvm);
1722 void iwl_mvm_recalc_tdls_state(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1723                                bool sta_added);
1724 void iwl_mvm_mac_mgd_protect_tdls_discover(struct ieee80211_hw *hw,
1725                                            struct ieee80211_vif *vif);
1726 int iwl_mvm_tdls_channel_switch(struct ieee80211_hw *hw,
1727                                 struct ieee80211_vif *vif,
1728                                 struct ieee80211_sta *sta, u8 oper_class,
1729                                 struct cfg80211_chan_def *chandef,
1730                                 struct sk_buff *tmpl_skb, u32 ch_sw_tm_ie);
1731 void iwl_mvm_tdls_recv_channel_switch(struct ieee80211_hw *hw,
1732                                       struct ieee80211_vif *vif,
1733                                       struct ieee80211_tdls_ch_sw_params *params);
1734 void iwl_mvm_tdls_cancel_channel_switch(struct ieee80211_hw *hw,
1735                                         struct ieee80211_vif *vif,
1736                                         struct ieee80211_sta *sta);
1737 void iwl_mvm_rx_tdls_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1738 void iwl_mvm_tdls_ch_switch_work(struct work_struct *work);
1739
1740 void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm *mvm,
1741                                      struct iwl_mvm_internal_rxq_notif *notif,
1742                                      u32 size);
1743 void iwl_mvm_reorder_timer_expired(unsigned long data);
1744 struct ieee80211_vif *iwl_mvm_get_bss_vif(struct iwl_mvm *mvm);
1745
1746 void iwl_mvm_inactivity_check(struct iwl_mvm *mvm);
1747
1748 void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error);
1749 unsigned int iwl_mvm_get_wd_timeout(struct iwl_mvm *mvm,
1750                                     struct ieee80211_vif *vif,
1751                                     bool tdls, bool cmd_q);
1752 void iwl_mvm_connection_loss(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1753                              const char *errmsg);
1754
1755 /* Link Quality Measurement */
1756 int iwl_mvm_send_lqm_cmd(struct ieee80211_vif *vif,
1757                          enum iwl_lqm_cmd_operatrions operation,
1758                          u32 duration, u32 timeout);
1759 bool iwl_mvm_lqm_active(struct iwl_mvm *mvm);
1760
1761 #endif /* __IWL_MVM_H__ */