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

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  65
  66 #ifndef __IWL_MVM_H__
  67 #define __IWL_MVM_H__
  68
  69 #include <linux/list.h>
  70 #include <linux/spinlock.h>
  71 #include <linux/leds.h>
  72 #include <linux/in6.h>
  73
  74 #include "iwl-op-mode.h"
  75 #include "iwl-trans.h"
  76 #include "iwl-notif-wait.h"
  77 #include "iwl-eeprom-parse.h"
  78 #include "iwl-fw-file.h"
  79 #include "sta.h"
  80 #include "fw-api.h"
  81 #include "constants.h"
  82
  83 #define IWL_INVALID_MAC80211_QUEUE      0xff
  84 #define IWL_MVM_MAX_ADDRESSES           5
  85 /* RSSI offset for WkP */
  86 #define IWL_RSSI_OFFSET 50
  87 #define IWL_MVM_MISSED_BEACONS_THRESHOLD 8
  88 /* A TimeUnit is 1024 microsecond */
  89 #define MSEC_TO_TU(_msec)       (_msec*1000/1024)
  90
  91 /* For GO, this value represents the number of TUs before CSA "beacon
  92  * 0" TBTT when the CSA time-event needs to be scheduled to start.  It
  93  * must be big enough to ensure that we switch in time.
  94  */
  95 #define IWL_MVM_CHANNEL_SWITCH_TIME_GO          40
  96
  97 /* For client, this value represents the number of TUs before CSA
  98  * "beacon 1" TBTT, instead.  This is because we don't know when the
  99  * GO/AP will be in the new channel, so we switch early enough.
 100  */
 101 #define IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT      10
 102
 103 /*
 104  * This value (in TUs) is used to fine tune the CSA NoA end time which should
 105  * be just before "beacon 0" TBTT.
 106  */
 107 #define IWL_MVM_CHANNEL_SWITCH_MARGIN 4
 108
 109 /*
 110  * Number of beacons to transmit on a new channel until we unblock tx to
 111  * the stations, even if we didn't identify them on a new channel
 112  */
 113 #define IWL_MVM_CS_UNBLOCK_TX_TIMEOUT 3
 114
 115 extern const struct ieee80211_ops iwl_mvm_hw_ops;
 116
 117 /**
 118  * struct iwl_mvm_mod_params - module parameters for iwlmvm
 119  * @init_dbg: if true, then the NIC won't be stopped if the INIT fw asserted.
 120  *      We will register to mac80211 to have testmode working. The NIC must not
 121  *      be up'ed after the INIT fw asserted. This is useful to be able to use
 122  *      proprietary tools over testmode to debug the INIT fw.
 123  * @tfd_q_hang_detect: enabled the detection of hung transmit queues
 124  * @power_scheme: CAM(Continuous Active Mode)-1, BPS(Balanced Power
 125  *      Save)-2(default), LP(Low Power)-3
 126  */
 127 struct iwl_mvm_mod_params {
 128         bool init_dbg;
 129         bool tfd_q_hang_detect;
 130         int power_scheme;
 131 };
 132 extern struct iwl_mvm_mod_params iwlmvm_mod_params;
 133
 134 /**
 135  * struct iwl_mvm_dump_ptrs - set of pointers needed for the fw-error-dump
 136  *
 137  * @op_mode_ptr: pointer to the buffer coming from the mvm op_mode
 138  * @trans_ptr: pointer to struct %iwl_trans_dump_data which contains the
 139  *      transport's data.
 140  * @trans_len: length of the valid data in trans_ptr
 141  * @op_mode_len: length of the valid data in op_mode_ptr
 142  */
 143 struct iwl_mvm_dump_ptrs {
 144         struct iwl_trans_dump_data *trans_ptr;
 145         void *op_mode_ptr;
 146         u32 op_mode_len;
 147 };
 148
 149 /**
 150  * struct iwl_mvm_dump_desc - describes the dump
 151  * @len: length of trig_desc->data
 152  * @trig_desc: the description of the dump
 153  */
 154 struct iwl_mvm_dump_desc {
 155         size_t len;
 156         /* must be last */
 157         struct iwl_fw_error_dump_trigger_desc trig_desc;
 158 };
 159
 160 extern struct iwl_mvm_dump_desc iwl_mvm_dump_desc_assert;
 161
 162 struct iwl_mvm_phy_ctxt {
 163         u16 id;
 164         u16 color;
 165         u32 ref;
 166
 167         /*
 168          * TODO: This should probably be removed. Currently here only for rate
 169          * scaling algorithm
 170          */
 171         struct ieee80211_channel *channel;
 172 };
 173
 174 struct iwl_mvm_time_event_data {
 175         struct ieee80211_vif *vif;
 176         struct list_head list;
 177         unsigned long end_jiffies;
 178         u32 duration;
 179         bool running;
 180         u32 uid;
 181
 182         /*
 183          * The access to the 'id' field must be done when the
 184          * mvm->time_event_lock is held, as it value is used to indicate
 185          * if the te is in the time event list or not (when id == TE_MAX)
 186          */
 187         u32 id;
 188 };
 189
 190  /* Power management */
 191
 192 /**
 193  * enum iwl_power_scheme
 194  * @IWL_POWER_LEVEL_CAM - Continuously Active Mode
 195  * @IWL_POWER_LEVEL_BPS - Balanced Power Save (default)
 196  * @IWL_POWER_LEVEL_LP  - Low Power
 197  */
 198 enum iwl_power_scheme {
 199         IWL_POWER_SCHEME_CAM = 1,
 200         IWL_POWER_SCHEME_BPS,
 201         IWL_POWER_SCHEME_LP
 202 };
 203
 204 #define IWL_CONN_MAX_LISTEN_INTERVAL    10
 205 #define IWL_UAPSD_MAX_SP                IEEE80211_WMM_IE_STA_QOSINFO_SP_2
 206
 207 #ifdef CONFIG_IWLWIFI_DEBUGFS
 208 enum iwl_dbgfs_pm_mask {
 209         MVM_DEBUGFS_PM_KEEP_ALIVE = BIT(0),
 210         MVM_DEBUGFS_PM_SKIP_OVER_DTIM = BIT(1),
 211         MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS = BIT(2),
 212         MVM_DEBUGFS_PM_RX_DATA_TIMEOUT = BIT(3),
 213         MVM_DEBUGFS_PM_TX_DATA_TIMEOUT = BIT(4),
 214         MVM_DEBUGFS_PM_LPRX_ENA = BIT(6),
 215         MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD = BIT(7),
 216         MVM_DEBUGFS_PM_SNOOZE_ENABLE = BIT(8),
 217         MVM_DEBUGFS_PM_UAPSD_MISBEHAVING = BIT(9),
 218         MVM_DEBUGFS_PM_USE_PS_POLL = BIT(10),
 219 };
 220
 221 struct iwl_dbgfs_pm {
 222         u16 keep_alive_seconds;
 223         u32 rx_data_timeout;
 224         u32 tx_data_timeout;
 225         bool skip_over_dtim;
 226         u8 skip_dtim_periods;
 227         bool lprx_ena;
 228         u32 lprx_rssi_threshold;
 229         bool snooze_ena;
 230         bool uapsd_misbehaving;
 231         bool use_ps_poll;
 232         int mask;
 233 };
 234
 235 /* beacon filtering */
 236
 237 enum iwl_dbgfs_bf_mask {
 238         MVM_DEBUGFS_BF_ENERGY_DELTA = BIT(0),
 239         MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA = BIT(1),
 240         MVM_DEBUGFS_BF_ROAMING_STATE = BIT(2),
 241         MVM_DEBUGFS_BF_TEMP_THRESHOLD = BIT(3),
 242         MVM_DEBUGFS_BF_TEMP_FAST_FILTER = BIT(4),
 243         MVM_DEBUGFS_BF_TEMP_SLOW_FILTER = BIT(5),
 244         MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER = BIT(6),
 245         MVM_DEBUGFS_BF_DEBUG_FLAG = BIT(7),
 246         MVM_DEBUGFS_BF_ESCAPE_TIMER = BIT(8),
 247         MVM_DEBUGFS_BA_ESCAPE_TIMER = BIT(9),
 248         MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT = BIT(10),
 249 };
 250
 251 struct iwl_dbgfs_bf {
 252         u32 bf_energy_delta;
 253         u32 bf_roaming_energy_delta;
 254         u32 bf_roaming_state;
 255         u32 bf_temp_threshold;
 256         u32 bf_temp_fast_filter;
 257         u32 bf_temp_slow_filter;
 258         u32 bf_enable_beacon_filter;
 259         u32 bf_debug_flag;
 260         u32 bf_escape_timer;
 261         u32 ba_escape_timer;
 262         u32 ba_enable_beacon_abort;
 263         int mask;
 264 };
 265 #endif
 266
 267 enum iwl_mvm_smps_type_request {
 268         IWL_MVM_SMPS_REQ_BT_COEX,
 269         IWL_MVM_SMPS_REQ_TT,
 270         IWL_MVM_SMPS_REQ_PROT,
 271         NUM_IWL_MVM_SMPS_REQ,
 272 };
 273
 274 enum iwl_mvm_ref_type {
 275         IWL_MVM_REF_UCODE_DOWN,
 276         IWL_MVM_REF_SCAN,
 277         IWL_MVM_REF_ROC,
 278         IWL_MVM_REF_P2P_CLIENT,
 279         IWL_MVM_REF_AP_IBSS,
 280         IWL_MVM_REF_USER,
 281         IWL_MVM_REF_TX,
 282         IWL_MVM_REF_TX_AGG,
 283         IWL_MVM_REF_ADD_IF,
 284         IWL_MVM_REF_START_AP,
 285         IWL_MVM_REF_BSS_CHANGED,
 286         IWL_MVM_REF_PREPARE_TX,
 287         IWL_MVM_REF_PROTECT_TDLS,
 288         IWL_MVM_REF_CHECK_CTKILL,
 289         IWL_MVM_REF_PRPH_READ,
 290         IWL_MVM_REF_PRPH_WRITE,
 291         IWL_MVM_REF_NMI,
 292         IWL_MVM_REF_TM_CMD,
 293         IWL_MVM_REF_EXIT_WORK,
 294         IWL_MVM_REF_PROTECT_CSA,
 295         IWL_MVM_REF_FW_DBG_COLLECT,
 296
 297         /* update debugfs.c when changing this */
 298
 299         IWL_MVM_REF_COUNT,
 300 };
 301
 302 enum iwl_bt_force_ant_mode {
 303         BT_FORCE_ANT_DIS = 0,
 304         BT_FORCE_ANT_AUTO,
 305         BT_FORCE_ANT_BT,
 306         BT_FORCE_ANT_WIFI,
 307
 308         BT_FORCE_ANT_MAX,
 309 };
 310
 311 /**
 312 * struct iwl_mvm_vif_bf_data - beacon filtering related data
 313 * @bf_enabled: indicates if beacon filtering is enabled
 314 * @ba_enabled: indicated if beacon abort is enabled
 315 * @ave_beacon_signal: average beacon signal
 316 * @last_cqm_event: rssi of the last cqm event
 317 * @bt_coex_min_thold: minimum threshold for BT coex
 318 * @bt_coex_max_thold: maximum threshold for BT coex
 319 * @last_bt_coex_event: rssi of the last BT coex event
 320 */
 321 struct iwl_mvm_vif_bf_data {
 322         bool bf_enabled;
 323         bool ba_enabled;
 324         s8 ave_beacon_signal;
 325         s8 last_cqm_event;
 326         s8 bt_coex_min_thold;
 327         s8 bt_coex_max_thold;
 328         s8 last_bt_coex_event;
 329 };
 330
 331 /**
 332  * struct iwl_mvm_vif - data per Virtual Interface, it is a MAC context
 333  * @id: between 0 and 3
 334  * @color: to solve races upon MAC addition and removal
 335  * @ap_sta_id: the sta_id of the AP - valid only if VIF type is STA
 336  * @bssid: BSSID for this (client) interface
 337  * @associated: indicates that we're currently associated, used only for
 338  *      managing the firmware state in iwl_mvm_bss_info_changed_station()
 339  * @uploaded: indicates the MAC context has been added to the device
 340  * @ap_ibss_active: indicates that AP/IBSS is configured and that the interface
 341  *      should get quota etc.
 342  * @pm_enabled - Indicate if MAC power management is allowed
 343  * @monitor_active: indicates that monitor context is configured, and that the
 344  *      interface should get quota etc.
 345  * @low_latency: indicates that this interface is in low-latency mode
 346  *      (VMACLowLatencyMode)
 347  * @ps_disabled: indicates that this interface requires PS to be disabled
 348  * @queue_params: QoS params for this MAC
 349  * @bcast_sta: station used for broadcast packets. Used by the following
 350  *  vifs: P2P_DEVICE, GO and AP.
 351  * @beacon_skb: the skb used to hold the AP/GO beacon template
 352  * @smps_requests: the SMPS requests of different parts of the driver,
 353  *      combined on update to yield the overall request to mac80211.
 354  * @beacon_stats: beacon statistics, containing the # of received beacons,
 355  *      # of received beacons accumulated over FW restart, and the current
 356  *      average signal of beacons retrieved from the firmware
 357  * @csa_failed: CSA failed to schedule time event, report an error later
 358  */
 359 struct iwl_mvm_vif {
 360         struct iwl_mvm *mvm;
 361         u16 id;
 362         u16 color;
 363         u8 ap_sta_id;
 364
 365         u8 bssid[ETH_ALEN];
 366         bool associated;
 367
 368         bool uploaded;
 369         bool ap_ibss_active;
 370         bool pm_enabled;
 371         bool monitor_active;
 372         bool low_latency;
 373         bool ps_disabled;
 374         struct iwl_mvm_vif_bf_data bf_data;
 375
 376         struct {
 377                 u32 num_beacons, accu_num_beacons;
 378                 u8 avg_signal;
 379         } beacon_stats;
 380
 381         u32 ap_beacon_time;
 382
 383         enum iwl_tsf_id tsf_id;
 384
 385         /*
 386          * QoS data from mac80211, need to store this here
 387          * as mac80211 has a separate callback but we need
 388          * to have the data for the MAC context
 389          */
 390         struct ieee80211_tx_queue_params queue_params[IEEE80211_NUM_ACS];
 391         struct iwl_mvm_time_event_data time_event_data;
 392         struct iwl_mvm_time_event_data hs_time_event_data;
 393
 394         struct iwl_mvm_int_sta bcast_sta;
 395
 396         /*
 397          * Assigned while mac80211 has the interface in a channel context,
 398          * or, for P2P Device, while it exists.
 399          */
 400         struct iwl_mvm_phy_ctxt *phy_ctxt;
 401
 402 #ifdef CONFIG_PM_SLEEP
 403         /* WoWLAN GTK rekey data */
 404         struct {
 405                 u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN];
 406                 __le64 replay_ctr;
 407                 bool valid;
 408         } rekey_data;
 409
 410         int tx_key_idx;
 411
 412         bool seqno_valid;
 413         u16 seqno;
 414 #endif
 415
 416 #if IS_ENABLED(CONFIG_IPV6)
 417         /* IPv6 addresses for WoWLAN */
 418         struct in6_addr target_ipv6_addrs[IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_MAX];
 419         int num_target_ipv6_addrs;
 420 #endif
 421
 422 #ifdef CONFIG_IWLWIFI_DEBUGFS
 423         struct dentry *dbgfs_dir;
 424         struct dentry *dbgfs_slink;
 425         struct iwl_dbgfs_pm dbgfs_pm;
 426         struct iwl_dbgfs_bf dbgfs_bf;
 427         struct iwl_mac_power_cmd mac_pwr_cmd;
 428 #endif
 429
 430         enum ieee80211_smps_mode smps_requests[NUM_IWL_MVM_SMPS_REQ];
 431
 432         /* FW identified misbehaving AP */
 433         u8 uapsd_misbehaving_bssid[ETH_ALEN];
 434
 435         /* Indicates that CSA countdown may be started */
 436         bool csa_countdown;
 437         bool csa_failed;
 438 };
 439
 440 static inline struct iwl_mvm_vif *
 441 iwl_mvm_vif_from_mac80211(struct ieee80211_vif *vif)
 442 {
 443         return (void *)vif->drv_priv;
 444 }
 445
 446 extern const u8 tid_to_mac80211_ac[];
 447
 448 enum iwl_scan_status {
 449         IWL_MVM_SCAN_REGULAR            = BIT(0),
 450         IWL_MVM_SCAN_SCHED              = BIT(1),
 451         IWL_MVM_SCAN_NETDETECT          = BIT(2),
 452
 453         IWL_MVM_SCAN_STOPPING_REGULAR   = BIT(8),
 454         IWL_MVM_SCAN_STOPPING_SCHED     = BIT(9),
 455         IWL_MVM_SCAN_STOPPING_NETDETECT = BIT(10),
 456
 457         IWL_MVM_SCAN_REGULAR_MASK       = IWL_MVM_SCAN_REGULAR |
 458                                           IWL_MVM_SCAN_STOPPING_REGULAR,
 459         IWL_MVM_SCAN_SCHED_MASK         = IWL_MVM_SCAN_SCHED |
 460                                           IWL_MVM_SCAN_STOPPING_SCHED,
 461         IWL_MVM_SCAN_NETDETECT_MASK     = IWL_MVM_SCAN_NETDETECT |
 462                                           IWL_MVM_SCAN_STOPPING_NETDETECT,
 463
 464         IWL_MVM_SCAN_STOPPING_MASK      = 0xff00,
 465         IWL_MVM_SCAN_MASK               = 0x00ff,
 466 };
 467
 468 /**
 469  * struct iwl_nvm_section - describes an NVM section in memory.
 470  *
 471  * This struct holds an NVM section read from the NIC using NVM_ACCESS_CMD,
 472  * and saved for later use by the driver. Not all NVM sections are saved
 473  * this way, only the needed ones.
 474  */
 475 struct iwl_nvm_section {
 476         u16 length;
 477         const u8 *data;
 478 };
 479
 480 /*
 481  * Tx-backoff threshold
 482  * @temperature: The threshold in Celsius
 483  * @backoff: The tx-backoff in uSec
 484  */
 485 struct iwl_tt_tx_backoff {
 486         s32 temperature;
 487         u32 backoff;
 488 };
 489
 490 #define TT_TX_BACKOFF_SIZE 6
 491
 492 /**
 493  * struct iwl_tt_params - thermal throttling parameters
 494  * @ct_kill_entry: CT Kill entry threshold
 495  * @ct_kill_exit: CT Kill exit threshold
 496  * @ct_kill_duration: The time  intervals (in uSec) in which the driver needs
 497  *      to checks whether to exit CT Kill.
 498  * @dynamic_smps_entry: Dynamic SMPS entry threshold
 499  * @dynamic_smps_exit: Dynamic SMPS exit threshold
 500  * @tx_protection_entry: TX protection entry threshold
 501  * @tx_protection_exit: TX protection exit threshold
 502  * @tx_backoff: Array of thresholds for tx-backoff , in ascending order.
 503  * @support_ct_kill: Support CT Kill?
 504  * @support_dynamic_smps: Support dynamic SMPS?
 505  * @support_tx_protection: Support tx protection?
 506  * @support_tx_backoff: Support tx-backoff?
 507  */
 508 struct iwl_tt_params {
 509         s32 ct_kill_entry;
 510         s32 ct_kill_exit;
 511         u32 ct_kill_duration;
 512         s32 dynamic_smps_entry;
 513         s32 dynamic_smps_exit;
 514         s32 tx_protection_entry;
 515         s32 tx_protection_exit;
 516         struct iwl_tt_tx_backoff tx_backoff[TT_TX_BACKOFF_SIZE];
 517         bool support_ct_kill;
 518         bool support_dynamic_smps;
 519         bool support_tx_protection;
 520         bool support_tx_backoff;
 521 };
 522
 523 /**
 524  * struct iwl_mvm_tt_mgnt - Thermal Throttling Management structure
 525  * @ct_kill_exit: worker to exit thermal kill
 526  * @dynamic_smps: Is thermal throttling enabled dynamic_smps?
 527  * @tx_backoff: The current thremal throttling tx backoff in uSec.
 528  * @min_backoff: The minimal tx backoff due to power restrictions
 529  * @params: Parameters to configure the thermal throttling algorithm.
 530  * @throttle: Is thermal throttling is active?
 531  */
 532 struct iwl_mvm_tt_mgmt {
 533         struct delayed_work ct_kill_exit;
 534         bool dynamic_smps;
 535         u32 tx_backoff;
 536         u32 min_backoff;
 537         const struct iwl_tt_params *params;
 538         bool throttle;
 539 };
 540
 541 #define IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES 8
 542
 543 struct iwl_mvm_frame_stats {
 544         u32 legacy_frames;
 545         u32 ht_frames;
 546         u32 vht_frames;
 547         u32 bw_20_frames;
 548         u32 bw_40_frames;
 549         u32 bw_80_frames;
 550         u32 bw_160_frames;
 551         u32 sgi_frames;
 552         u32 ngi_frames;
 553         u32 siso_frames;
 554         u32 mimo2_frames;
 555         u32 agg_frames;
 556         u32 ampdu_count;
 557         u32 success_frames;
 558         u32 fail_frames;
 559         u32 last_rates[IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES];
 560         int last_frame_idx;
 561 };
 562
 563 enum {
 564         D0I3_DEFER_WAKEUP,
 565         D0I3_PENDING_WAKEUP,
 566 };
 567
 568 #define IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE 0xff
 569 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MIN -100
 570 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MAX 200
 571
 572 enum iwl_mvm_tdls_cs_state {
 573         IWL_MVM_TDLS_SW_IDLE = 0,
 574         IWL_MVM_TDLS_SW_REQ_SENT,
 575         IWL_MVM_TDLS_SW_RESP_RCVD,
 576         IWL_MVM_TDLS_SW_REQ_RCVD,
 577         IWL_MVM_TDLS_SW_ACTIVE,
 578 };
 579
 580 struct iwl_mvm_shared_mem_cfg {
 581         u32 shared_mem_addr;
 582         u32 shared_mem_size;
 583         u32 sample_buff_addr;
 584         u32 sample_buff_size;
 585         u32 txfifo_addr;
 586         u32 txfifo_size[TX_FIFO_MAX_NUM];
 587         u32 rxfifo_size[RX_FIFO_MAX_NUM];
 588         u32 page_buff_addr;
 589         u32 page_buff_size;
 590 };
 591
 592 struct iwl_mvm {
 593         /* for logger access */
 594         struct device *dev;
 595
 596         struct iwl_trans *trans;
 597         const struct iwl_fw *fw;
 598         const struct iwl_cfg *cfg;
 599         struct iwl_phy_db *phy_db;
 600         struct ieee80211_hw *hw;
 601
 602         /* for protecting access to iwl_mvm */
 603         struct mutex mutex;
 604         struct list_head async_handlers_list;
 605         spinlock_t async_handlers_lock;
 606         struct work_struct async_handlers_wk;
 607
 608         struct work_struct roc_done_wk;
 609
 610         unsigned long status;
 611
 612         /*
 613          * for beacon filtering -
 614          * currently only one interface can be supported
 615          */
 616         struct iwl_mvm_vif *bf_allowed_vif;
 617
 618         enum iwl_ucode_type cur_ucode;
 619         bool ucode_loaded;
 620         bool calibrating;
 621         u32 error_event_table;
 622         u32 log_event_table;
 623         u32 umac_error_event_table;
 624         bool support_umac_log;
 625         struct iwl_sf_region sf_space;
 626
 627         u32 ampdu_ref;
 628
 629         struct iwl_notif_wait_data notif_wait;
 630
 631         struct mvm_statistics_rx rx_stats;
 632
 633         struct {
 634                 u64 rx_time;
 635                 u64 tx_time;
 636                 u64 on_time_rf;
 637                 u64 on_time_scan;
 638         } radio_stats, accu_radio_stats;
 639
 640         u8 queue_to_mac80211[IWL_MAX_HW_QUEUES];
 641         atomic_t mac80211_queue_stop_count[IEEE80211_MAX_QUEUES];
 642
 643         const char *nvm_file_name;
 644         struct iwl_nvm_data *nvm_data;
 645         /* NVM sections */
 646         struct iwl_nvm_section nvm_sections[NVM_MAX_NUM_SECTIONS];
 647
 648         /* EEPROM MAC addresses */
 649         struct mac_address addresses[IWL_MVM_MAX_ADDRESSES];
 650
 651         /* data related to data path */
 652         struct iwl_rx_phy_info last_phy_info;
 653         struct ieee80211_sta __rcu *fw_id_to_mac_id[IWL_MVM_STATION_COUNT];
 654         struct work_struct sta_drained_wk;
 655         unsigned long sta_drained[BITS_TO_LONGS(IWL_MVM_STATION_COUNT)];
 656         atomic_t pending_frames[IWL_MVM_STATION_COUNT];
 657         u32 tfd_drained[IWL_MVM_STATION_COUNT];
 658         u8 rx_ba_sessions;
 659
 660         /* configured by mac80211 */
 661         u32 rts_threshold;
 662
 663         /* Scan status, cmd (pre-allocated) and auxiliary station */
 664         unsigned int scan_status;
 665         void *scan_cmd;
 666         struct iwl_mcast_filter_cmd *mcast_filter_cmd;
 667
 668         /* max number of simultaneous scans the FW supports */
 669         unsigned int max_scans;
 670
 671         /* UMAC scan tracking */
 672         u32 scan_uid[IWL_MVM_MAX_UMAC_SCANS];
 673         u8 scan_seq_num, sched_scan_seq_num;
 674
 675         /* rx chain antennas set through debugfs for the scan command */
 676         u8 scan_rx_ant;
 677
 678 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
 679         /* broadcast filters to configure for each associated station */
 680         const struct iwl_fw_bcast_filter *bcast_filters;
 681 #ifdef CONFIG_IWLWIFI_DEBUGFS
 682         struct {
 683                 u32 override; /* u32 for debugfs_create_bool */
 684                 struct iwl_bcast_filter_cmd cmd;
 685         } dbgfs_bcast_filtering;
 686 #endif
 687 #endif
 688
 689         /* Internal station */
 690         struct iwl_mvm_int_sta aux_sta;
 691
 692         bool last_ebs_successful;
 693
 694         u8 scan_last_antenna_idx; /* to toggle TX between antennas */
 695         u8 mgmt_last_antenna_idx;
 696
 697         /* last smart fifo state that was successfully sent to firmware */
 698         enum iwl_sf_state sf_state;
 699
 700 #ifdef CONFIG_IWLWIFI_DEBUGFS
 701         struct dentry *debugfs_dir;
 702         u32 dbgfs_sram_offset, dbgfs_sram_len;
 703         u32 dbgfs_prph_reg_addr;
 704         bool disable_power_off;
 705         bool disable_power_off_d3;
 706
 707         u32 scan_iter_notif_enabled; /* must be u32 for debugfs_create_bool */
 708
 709         struct debugfs_blob_wrapper nvm_hw_blob;
 710         struct debugfs_blob_wrapper nvm_sw_blob;
 711         struct debugfs_blob_wrapper nvm_calib_blob;
 712         struct debugfs_blob_wrapper nvm_prod_blob;
 713
 714         struct iwl_mvm_frame_stats drv_rx_stats;
 715         spinlock_t drv_stats_lock;
 716         u16 dbgfs_rx_phyinfo;
 717 #endif
 718
 719         struct iwl_mvm_phy_ctxt phy_ctxts[NUM_PHY_CTX];
 720
 721         struct list_head time_event_list;
 722         spinlock_t time_event_lock;
 723
 724         /*
 725          * A bitmap indicating the index of the key in use. The firmware
 726          * can hold 16 keys at most. Reflect this fact.
 727          */
 728         unsigned long fw_key_table[BITS_TO_LONGS(STA_KEY_MAX_NUM)];
 729
 730         /* references taken by the driver and spinlock protecting them */
 731         spinlock_t refs_lock;
 732         u8 refs[IWL_MVM_REF_COUNT];
 733
 734         u8 vif_count;
 735
 736         /* -1 for always, 0 for never, >0 for that many times */
 737         s8 restart_fw;
 738         u8 fw_dbg_conf;
 739         struct delayed_work fw_dump_wk;
 740         struct iwl_mvm_dump_desc *fw_dump_desc;
 741
 742 #ifdef CONFIG_IWLWIFI_LEDS
 743         struct led_classdev led;
 744 #endif
 745
 746         struct ieee80211_vif *p2p_device_vif;
 747
 748 #ifdef CONFIG_PM_SLEEP
 749         struct wiphy_wowlan_support wowlan;
 750         int gtk_ivlen, gtk_icvlen, ptk_ivlen, ptk_icvlen;
 751
 752         /* sched scan settings for net detect */
 753         struct cfg80211_sched_scan_request *nd_config;
 754         struct ieee80211_scan_ies nd_ies;
 755         struct cfg80211_match_set *nd_match_sets;
 756         int n_nd_match_sets;
 757         struct ieee80211_channel **nd_channels;
 758         int n_nd_channels;
 759         bool net_detect;
 760 #ifdef CONFIG_IWLWIFI_DEBUGFS
 761         u32 d3_wake_sysassert; /* must be u32 for debugfs_create_bool */
 762         bool d3_test_active;
 763         bool store_d3_resume_sram;
 764         void *d3_resume_sram;
 765         u32 d3_test_pme_ptr;
 766         struct ieee80211_vif *keep_vif;
 767         u32 last_netdetect_scans; /* no. of scans in the last net-detect wake */
 768 #endif
 769 #endif
 770
 771         /* d0i3 */
 772         u8 d0i3_ap_sta_id;
 773         bool d0i3_offloading;
 774         struct work_struct d0i3_exit_work;
 775         struct sk_buff_head d0i3_tx;
 776         /* protect d0i3_suspend_flags */
 777         struct mutex d0i3_suspend_mutex;
 778         unsigned long d0i3_suspend_flags;
 779         /* sync d0i3_tx queue and IWL_MVM_STATUS_IN_D0I3 status flag */
 780         spinlock_t d0i3_tx_lock;
 781         wait_queue_head_t d0i3_exit_waitq;
 782
 783         /* BT-Coex */
 784         u8 bt_ack_kill_msk[NUM_PHY_CTX];
 785         u8 bt_cts_kill_msk[NUM_PHY_CTX];
 786
 787         struct iwl_bt_coex_profile_notif_old last_bt_notif_old;
 788         struct iwl_bt_coex_ci_cmd_old last_bt_ci_cmd_old;
 789         struct iwl_bt_coex_profile_notif last_bt_notif;
 790         struct iwl_bt_coex_ci_cmd last_bt_ci_cmd;
 791
 792         u32 last_ant_isol;
 793         u8 last_corun_lut;
 794         u8 bt_tx_prio;
 795         enum iwl_bt_force_ant_mode bt_force_ant_mode;
 796
 797         /* Aux ROC */
 798         struct list_head aux_roc_te_list;
 799
 800         /* Thermal Throttling and CTkill */
 801         struct iwl_mvm_tt_mgmt thermal_throttle;
 802         s32 temperature;        /* Celsius */
 803         /*
 804          * Debug option to set the NIC temperature. This option makes the
 805          * driver think this is the actual NIC temperature, and ignore the
 806          * real temperature that is received from the fw
 807          */
 808         bool temperature_test;  /* Debug test temperature is enabled */
 809
 810         struct iwl_time_quota_cmd last_quota_cmd;
 811
 812 #ifdef CONFIG_NL80211_TESTMODE
 813         u32 noa_duration;
 814         struct ieee80211_vif *noa_vif;
 815 #endif
 816
 817         /* Tx queues */
 818         u8 aux_queue;
 819         u8 first_agg_queue;
 820         u8 last_agg_queue;
 821
 822         /* Indicate if device power save is allowed */
 823         u8 ps_disabled; /* u8 instead of bool to ease debugfs_create_* usage */
 824
 825         struct ieee80211_vif __rcu *csa_vif;
 826         struct ieee80211_vif __rcu *csa_tx_blocked_vif;
 827         u8 csa_tx_block_bcn_timeout;
 828
 829         /* system time of last beacon (for AP/GO interface) */
 830         u32 ap_last_beacon_gp2;
 831
 832         bool lar_regdom_set;
 833         enum iwl_mcc_source mcc_src;
 834
 835         u8 low_latency_agg_frame_limit;
 836
 837         /* TDLS channel switch data */
 838         struct {
 839                 struct delayed_work dwork;
 840                 enum iwl_mvm_tdls_cs_state state;
 841
 842                 /*
 843                  * Current cs sta - might be different from periodic cs peer
 844                  * station. Value is meaningless when the cs-state is idle.
 845                  */
 846                 u8 cur_sta_id;
 847
 848                 /* TDLS periodic channel-switch peer */
 849                 struct {
 850                         u8 sta_id;
 851                         u8 op_class;
 852                         bool initiator; /* are we the link initiator */
 853                         struct cfg80211_chan_def chandef;
 854                         struct sk_buff *skb; /* ch sw template */
 855                         u32 ch_sw_tm_ie;
 856
 857                         /* timestamp of last ch-sw request sent (GP2 time) */
 858                         u32 sent_timestamp;
 859                 } peer;
 860         } tdls_cs;
 861
 862         struct iwl_mvm_shared_mem_cfg shared_mem_cfg;
 863 };
 864
 865 /* Extract MVM priv from op_mode and _hw */
 866 #define IWL_OP_MODE_GET_MVM(_iwl_op_mode)               \
 867         ((struct iwl_mvm *)(_iwl_op_mode)->op_mode_specific)
 868
 869 #define IWL_MAC80211_GET_MVM(_hw)                       \
 870         IWL_OP_MODE_GET_MVM((struct iwl_op_mode *)((_hw)->priv))
 871
 872 enum iwl_mvm_status {
 873         IWL_MVM_STATUS_HW_RFKILL,
 874         IWL_MVM_STATUS_HW_CTKILL,
 875         IWL_MVM_STATUS_ROC_RUNNING,
 876         IWL_MVM_STATUS_IN_HW_RESTART,
 877         IWL_MVM_STATUS_IN_D0I3,
 878         IWL_MVM_STATUS_ROC_AUX_RUNNING,
 879         IWL_MVM_STATUS_D3_RECONFIG,
 880         IWL_MVM_STATUS_DUMPING_FW_LOG,
 881 };
 882
 883 static inline bool iwl_mvm_is_radio_killed(struct iwl_mvm *mvm)
 884 {
 885         return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status) ||
 886                test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
 887 }
 888
 889 /* Must be called with rcu_read_lock() held and it can only be
 890  * released when mvmsta is not needed anymore.
 891  */
 892 static inline struct iwl_mvm_sta *
 893 iwl_mvm_sta_from_staid_rcu(struct iwl_mvm *mvm, u8 sta_id)
 894 {
 895         struct ieee80211_sta *sta;
 896
 897         if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
 898                 return NULL;
 899
 900         sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
 901
 902         /* This can happen if the station has been removed right now */
 903         if (IS_ERR_OR_NULL(sta))
 904                 return NULL;
 905
 906         return iwl_mvm_sta_from_mac80211(sta);
 907 }
 908
 909 static inline struct iwl_mvm_sta *
 910 iwl_mvm_sta_from_staid_protected(struct iwl_mvm *mvm, u8 sta_id)
 911 {
 912         struct ieee80211_sta *sta;
 913
 914         if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
 915                 return NULL;
 916
 917         sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id],
 918                                         lockdep_is_held(&mvm->mutex));
 919
 920         /* This can happen if the station has been removed right now */
 921         if (IS_ERR_OR_NULL(sta))
 922                 return NULL;
 923
 924         return iwl_mvm_sta_from_mac80211(sta);
 925 }
 926
 927 static inline bool iwl_mvm_is_d0i3_supported(struct iwl_mvm *mvm)
 928 {
 929         return mvm->trans->cfg->d0i3 &&
 930                mvm->trans->d0i3_mode != IWL_D0I3_MODE_OFF &&
 931                !iwlwifi_mod_params.d0i3_disable &&
 932                (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_D0I3_SUPPORT);
 933 }
 934
 935 static inline bool iwl_mvm_is_lar_supported(struct iwl_mvm *mvm)
 936 {
 937         bool nvm_lar = mvm->nvm_data->lar_enabled;
 938         bool tlv_lar = mvm->fw->ucode_capa.capa[0] &
 939                 IWL_UCODE_TLV_CAPA_LAR_SUPPORT;
 940
 941         if (iwlwifi_mod_params.lar_disable)
 942                 return false;
 943
 944         /*
 945          * Enable LAR only if it is supported by the FW (TLV) &&
 946          * enabled in the NVM
 947          */
 948         if (mvm->cfg->device_family == IWL_DEVICE_FAMILY_8000)
 949                 return nvm_lar && tlv_lar;
 950         else
 951                 return tlv_lar;
 952 }
 953
 954 static inline bool iwl_mvm_is_wifi_mcc_supported(struct iwl_mvm *mvm)
 955 {
 956         return mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_WIFI_MCC_UPDATE ||
 957                mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_LAR_MULTI_MCC;
 958 }
 959
 960 static inline bool iwl_mvm_is_scd_cfg_supported(struct iwl_mvm *mvm)
 961 {
 962         return mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_SCD_CFG;
 963 }
 964
 965 static inline bool iwl_mvm_bt_is_plcr_supported(struct iwl_mvm *mvm)
 966 {
 967         return (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_BT_COEX_PLCR) &&
 968                 IWL_MVM_BT_COEX_CORUNNING;
 969 }
 970
 971 static inline bool iwl_mvm_bt_is_rrc_supported(struct iwl_mvm *mvm)
 972 {
 973         return (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_BT_COEX_RRC) &&
 974                 IWL_MVM_BT_COEX_RRC;
 975 }
 976
 977 extern const u8 iwl_mvm_ac_to_tx_fifo[];
 978
 979 struct iwl_rate_info {
 980         u8 plcp;        /* uCode API:  IWL_RATE_6M_PLCP, etc. */
 981         u8 plcp_siso;   /* uCode API:  IWL_RATE_SISO_6M_PLCP, etc. */
 982         u8 plcp_mimo2;  /* uCode API:  IWL_RATE_MIMO2_6M_PLCP, etc. */
 983         u8 plcp_mimo3;  /* uCode API:  IWL_RATE_MIMO3_6M_PLCP, etc. */
 984         u8 ieee;        /* MAC header:  IWL_RATE_6M_IEEE, etc. */
 985 };
 986
 987 void __iwl_mvm_mac_stop(struct iwl_mvm *mvm);
 988 int __iwl_mvm_mac_start(struct iwl_mvm *mvm);
 989
 990 /******************
 991  * MVM Methods
 992  ******************/
 993 /* uCode */
 994 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm);
 995
 996 /* Utils */
 997 int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags,
 998                                         enum ieee80211_band band);
 999 void iwl_mvm_hwrate_to_tx_rate(u32 rate_n_flags,
1000                                enum ieee80211_band band,
1001                                struct ieee80211_tx_rate *r);
1002 u8 iwl_mvm_mac80211_idx_to_hwrate(int rate_idx);
1003 void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm);
1004 u8 first_antenna(u8 mask);
1005 u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx);
1006
1007 /* Tx / Host Commands */
1008 int __must_check iwl_mvm_send_cmd(struct iwl_mvm *mvm,
1009                                   struct iwl_host_cmd *cmd);
1010 int __must_check iwl_mvm_send_cmd_pdu(struct iwl_mvm *mvm, u8 id,
1011                                       u32 flags, u16 len, const void *data);
1012 int __must_check iwl_mvm_send_cmd_status(struct iwl_mvm *mvm,
1013                                          struct iwl_host_cmd *cmd,
1014                                          u32 *status);
1015 int __must_check iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u8 id,
1016                                              u16 len, const void *data,
1017                                              u32 *status);
1018 int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb,
1019                    struct ieee80211_sta *sta);
1020 int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb);
1021 void iwl_mvm_set_tx_cmd(struct iwl_mvm *mvm, struct sk_buff *skb,
1022                         struct iwl_tx_cmd *tx_cmd,
1023                         struct ieee80211_tx_info *info, u8 sta_id);
1024 void iwl_mvm_set_tx_cmd_crypto(struct iwl_mvm *mvm,
1025                                struct ieee80211_tx_info *info,
1026                                struct iwl_tx_cmd *tx_cmd,
1027                                struct sk_buff *skb_frag);
1028 void iwl_mvm_set_tx_cmd_rate(struct iwl_mvm *mvm, struct iwl_tx_cmd *tx_cmd,
1029                             struct ieee80211_tx_info *info,
1030                             struct ieee80211_sta *sta, __le16 fc);
1031 #ifdef CONFIG_IWLWIFI_DEBUG
1032 const char *iwl_mvm_get_tx_fail_reason(u32 status);
1033 #else
1034 static inline const char *iwl_mvm_get_tx_fail_reason(u32 status) { return ""; }
1035 #endif
1036 int iwl_mvm_flush_tx_path(struct iwl_mvm *mvm, u32 tfd_msk, bool sync);
1037 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm);
1038
1039 static inline void iwl_mvm_wait_for_async_handlers(struct iwl_mvm *mvm)
1040 {
1041         flush_work(&mvm->async_handlers_wk);
1042 }
1043
1044 /* Statistics */
1045 void iwl_mvm_handle_rx_statistics(struct iwl_mvm *mvm,
1046                                   struct iwl_rx_packet *pkt);
1047 int iwl_mvm_rx_statistics(struct iwl_mvm *mvm,
1048                           struct iwl_rx_cmd_buffer *rxb,
1049                           struct iwl_device_cmd *cmd);
1050 int iwl_mvm_request_statistics(struct iwl_mvm *mvm, bool clear);
1051 void iwl_mvm_accu_radio_stats(struct iwl_mvm *mvm);
1052
1053 /* NVM */
1054 int iwl_nvm_init(struct iwl_mvm *mvm, bool read_nvm_from_nic);
1055 int iwl_mvm_load_nvm_to_nic(struct iwl_mvm *mvm);
1056
1057 static inline u8 iwl_mvm_get_valid_tx_ant(struct iwl_mvm *mvm)
1058 {
1059         return mvm->nvm_data && mvm->nvm_data->valid_tx_ant ?
1060                mvm->fw->valid_tx_ant & mvm->nvm_data->valid_tx_ant :
1061                mvm->fw->valid_tx_ant;
1062 }
1063
1064 static inline u8 iwl_mvm_get_valid_rx_ant(struct iwl_mvm *mvm)
1065 {
1066         return mvm->nvm_data && mvm->nvm_data->valid_rx_ant ?
1067                mvm->fw->valid_rx_ant & mvm->nvm_data->valid_rx_ant :
1068                mvm->fw->valid_rx_ant;
1069 }
1070
1071 static inline u32 iwl_mvm_get_phy_config(struct iwl_mvm *mvm)
1072 {
1073         u32 phy_config = ~(FW_PHY_CFG_TX_CHAIN |
1074                            FW_PHY_CFG_RX_CHAIN);
1075         u32 valid_rx_ant = iwl_mvm_get_valid_rx_ant(mvm);
1076         u32 valid_tx_ant = iwl_mvm_get_valid_tx_ant(mvm);
1077
1078         phy_config |= valid_tx_ant << FW_PHY_CFG_TX_CHAIN_POS |
1079                       valid_rx_ant << FW_PHY_CFG_RX_CHAIN_POS;
1080
1081         return mvm->fw->phy_config & phy_config;
1082 }
1083
1084 int iwl_mvm_up(struct iwl_mvm *mvm);
1085 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm);
1086
1087 int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm);
1088 bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm,
1089                                     struct iwl_bcast_filter_cmd *cmd);
1090
1091 /*
1092  * FW notifications / CMD responses handlers
1093  * Convention: iwl_mvm_rx_<NAME OF THE CMD>
1094  */
1095 int iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1096                           struct iwl_device_cmd *cmd);
1097 int iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1098                        struct iwl_device_cmd *cmd);
1099 int iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1100                       struct iwl_device_cmd *cmd);
1101 int iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1102                         struct iwl_device_cmd *cmd);
1103 int iwl_mvm_rx_radio_ver(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1104                          struct iwl_device_cmd *cmd);
1105 int iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm,
1106                                   struct iwl_rx_cmd_buffer *rxb,
1107                                   struct iwl_device_cmd *cmd);
1108 int iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1109                           struct iwl_device_cmd *cmd);
1110 int iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
1111                                 struct iwl_rx_cmd_buffer *rxb,
1112                                 struct iwl_device_cmd *cmd);
1113 int iwl_mvm_rx_radio_ver(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1114                          struct iwl_device_cmd *cmd);
1115 int iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1116                             struct iwl_device_cmd *cmd);
1117 int iwl_mvm_rx_shared_mem_cfg_notif(struct iwl_mvm *mvm,
1118                                     struct iwl_rx_cmd_buffer *rxb,
1119                                     struct iwl_device_cmd *cmd);
1120
1121 /* MVM PHY */
1122 int iwl_mvm_phy_ctxt_add(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
1123                          struct cfg80211_chan_def *chandef,
1124                          u8 chains_static, u8 chains_dynamic);
1125 int iwl_mvm_phy_ctxt_changed(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
1126                              struct cfg80211_chan_def *chandef,
1127                              u8 chains_static, u8 chains_dynamic);
1128 void iwl_mvm_phy_ctxt_ref(struct iwl_mvm *mvm,
1129                           struct iwl_mvm_phy_ctxt *ctxt);
1130 void iwl_mvm_phy_ctxt_unref(struct iwl_mvm *mvm,
1131                             struct iwl_mvm_phy_ctxt *ctxt);
1132 int iwl_mvm_phy_ctx_count(struct iwl_mvm *mvm);
1133 u8 iwl_mvm_get_channel_width(struct cfg80211_chan_def *chandef);
1134 u8 iwl_mvm_get_ctrl_pos(struct cfg80211_chan_def *chandef);
1135
1136 /* MAC (virtual interface) programming */
1137 int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1138 void iwl_mvm_mac_ctxt_release(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1139 int iwl_mvm_mac_ctxt_add(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1140 int iwl_mvm_mac_ctxt_changed(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1141                              bool force_assoc_off, const u8 *bssid_override);
1142 int iwl_mvm_mac_ctxt_remove(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1143 u32 iwl_mvm_mac_get_queues_mask(struct ieee80211_vif *vif);
1144 int iwl_mvm_mac_ctxt_beacon_changed(struct iwl_mvm *mvm,
1145                                     struct ieee80211_vif *vif);
1146 int iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm,
1147                             struct iwl_rx_cmd_buffer *rxb,
1148                             struct iwl_device_cmd *cmd);
1149 int iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm,
1150                                     struct iwl_rx_cmd_buffer *rxb,
1151                                     struct iwl_device_cmd *cmd);
1152 void iwl_mvm_mac_ctxt_recalc_tsf_id(struct iwl_mvm *mvm,
1153                                     struct ieee80211_vif *vif);
1154 unsigned long iwl_mvm_get_used_hw_queues(struct iwl_mvm *mvm,
1155                                          struct ieee80211_vif *exclude_vif);
1156
1157 /* Bindings */
1158 int iwl_mvm_binding_add_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1159 int iwl_mvm_binding_remove_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1160
1161 /* Quota management */
1162 int iwl_mvm_update_quotas(struct iwl_mvm *mvm, bool force_upload,
1163                           struct ieee80211_vif *disabled_vif);
1164
1165 /* Scanning */
1166 int iwl_mvm_reg_scan_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1167                            struct cfg80211_scan_request *req,
1168                            struct ieee80211_scan_ies *ies);
1169 int iwl_mvm_scan_size(struct iwl_mvm *mvm);
1170 int iwl_mvm_cancel_scan(struct iwl_mvm *mvm);
1171 int iwl_mvm_max_scan_ie_len(struct iwl_mvm *mvm, bool is_sched_scan);
1172 void iwl_mvm_report_scan_aborted(struct iwl_mvm *mvm);
1173
1174 /* Scheduled scan */
1175 int iwl_mvm_rx_scan_offload_complete_notif(struct iwl_mvm *mvm,
1176                                            struct iwl_rx_cmd_buffer *rxb,
1177                                            struct iwl_device_cmd *cmd);
1178 int iwl_mvm_rx_scan_offload_iter_complete_notif(struct iwl_mvm *mvm,
1179                                                 struct iwl_rx_cmd_buffer *rxb,
1180                                                 struct iwl_device_cmd *cmd);
1181 int iwl_mvm_config_sched_scan_profiles(struct iwl_mvm *mvm,
1182                                        struct cfg80211_sched_scan_request *req);
1183 int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm,
1184                              struct ieee80211_vif *vif,
1185                              struct cfg80211_sched_scan_request *req,
1186                              struct ieee80211_scan_ies *ies,
1187                              int type);
1188 int iwl_mvm_scan_offload_stop(struct iwl_mvm *mvm, bool notify);
1189 int iwl_mvm_rx_scan_offload_results(struct iwl_mvm *mvm,
1190                                     struct iwl_rx_cmd_buffer *rxb,
1191                                     struct iwl_device_cmd *cmd);
1192
1193 /* UMAC scan */
1194 int iwl_mvm_config_scan(struct iwl_mvm *mvm);
1195 int iwl_mvm_rx_umac_scan_complete_notif(struct iwl_mvm *mvm,
1196                                         struct iwl_rx_cmd_buffer *rxb,
1197                                         struct iwl_device_cmd *cmd);
1198
1199 /* MVM debugfs */
1200 #ifdef CONFIG_IWLWIFI_DEBUGFS
1201 int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir);
1202 void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1203 void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1204 #else
1205 static inline int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm,
1206                                          struct dentry *dbgfs_dir)
1207 {
1208         return 0;
1209 }
1210 static inline void
1211 iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1212 {
1213 }
1214 static inline void
1215 iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1216 {
1217 }
1218 #endif /* CONFIG_IWLWIFI_DEBUGFS */
1219
1220 /* rate scaling */
1221 int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool init);
1222 void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm, u32 rate, bool agg);
1223 int rs_pretty_print_rate(char *buf, const u32 rate);
1224 void rs_update_last_rssi(struct iwl_mvm *mvm,
1225                          struct iwl_lq_sta *lq_sta,
1226                          struct ieee80211_rx_status *rx_status);
1227
1228 /* power management */
1229 int iwl_mvm_power_update_device(struct iwl_mvm *mvm);
1230 int iwl_mvm_power_update_mac(struct iwl_mvm *mvm);
1231 int iwl_mvm_power_update_ps(struct iwl_mvm *mvm);
1232 int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1233                                  char *buf, int bufsz);
1234
1235 void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1236 int iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm,
1237                                              struct iwl_rx_cmd_buffer *rxb,
1238                                              struct iwl_device_cmd *cmd);
1239
1240 #ifdef CONFIG_IWLWIFI_LEDS
1241 int iwl_mvm_leds_init(struct iwl_mvm *mvm);
1242 void iwl_mvm_leds_exit(struct iwl_mvm *mvm);
1243 #else
1244 static inline int iwl_mvm_leds_init(struct iwl_mvm *mvm)
1245 {
1246         return 0;
1247 }
1248 static inline void iwl_mvm_leds_exit(struct iwl_mvm *mvm)
1249 {
1250 }
1251 #endif
1252
1253 /* D3 (WoWLAN, NetDetect) */
1254 int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan);
1255 int iwl_mvm_resume(struct ieee80211_hw *hw);
1256 void iwl_mvm_set_wakeup(struct ieee80211_hw *hw, bool enabled);
1257 void iwl_mvm_set_rekey_data(struct ieee80211_hw *hw,
1258                             struct ieee80211_vif *vif,
1259                             struct cfg80211_gtk_rekey_data *data);
1260 void iwl_mvm_ipv6_addr_change(struct ieee80211_hw *hw,
1261                               struct ieee80211_vif *vif,
1262                               struct inet6_dev *idev);
1263 void iwl_mvm_set_default_unicast_key(struct ieee80211_hw *hw,
1264                                      struct ieee80211_vif *vif, int idx);
1265 extern const struct file_operations iwl_dbgfs_d3_test_ops;
1266 #ifdef CONFIG_PM_SLEEP
1267 void iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm,
1268                                  struct ieee80211_vif *vif);
1269 #else
1270 static inline void
1271 iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1272 {
1273 }
1274 #endif
1275 void iwl_mvm_set_wowlan_qos_seq(struct iwl_mvm_sta *mvm_ap_sta,
1276                                 struct iwl_wowlan_config_cmd *cmd);
1277 int iwl_mvm_send_proto_offload(struct iwl_mvm *mvm,
1278                                struct ieee80211_vif *vif,
1279                                bool disable_offloading,
1280                                u32 cmd_flags);
1281
1282 /* D0i3 */
1283 void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1284 void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1285 int iwl_mvm_ref_sync(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1286 bool iwl_mvm_ref_taken(struct iwl_mvm *mvm);
1287 void iwl_mvm_d0i3_enable_tx(struct iwl_mvm *mvm, __le16 *qos_seq);
1288 int iwl_mvm_enter_d0i3(struct iwl_op_mode *op_mode);
1289 int iwl_mvm_exit_d0i3(struct iwl_op_mode *op_mode);
1290 int _iwl_mvm_exit_d0i3(struct iwl_mvm *mvm);
1291
1292 /* BT Coex */
1293 int iwl_send_bt_init_conf(struct iwl_mvm *mvm);
1294 int iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm,
1295                              struct iwl_rx_cmd_buffer *rxb,
1296                              struct iwl_device_cmd *cmd);
1297 void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1298                            enum ieee80211_rssi_event_data);
1299 void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm);
1300 u16 iwl_mvm_coex_agg_time_limit(struct iwl_mvm *mvm,
1301                                 struct ieee80211_sta *sta);
1302 bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm,
1303                                      struct ieee80211_sta *sta);
1304 bool iwl_mvm_bt_coex_is_ant_avail(struct iwl_mvm *mvm, u8 ant);
1305 bool iwl_mvm_bt_coex_is_shared_ant_avail(struct iwl_mvm *mvm);
1306 bool iwl_mvm_bt_coex_is_tpc_allowed(struct iwl_mvm *mvm,
1307                                     enum ieee80211_band band);
1308 u8 iwl_mvm_bt_coex_tx_prio(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr,
1309                            struct ieee80211_tx_info *info, u8 ac);
1310
1311 bool iwl_mvm_bt_coex_is_shared_ant_avail_old(struct iwl_mvm *mvm);
1312 void iwl_mvm_bt_coex_vif_change_old(struct iwl_mvm *mvm);
1313 int iwl_send_bt_init_conf_old(struct iwl_mvm *mvm);
1314 int iwl_mvm_rx_bt_coex_notif_old(struct iwl_mvm *mvm,
1315                                  struct iwl_rx_cmd_buffer *rxb,
1316                                  struct iwl_device_cmd *cmd);
1317 void iwl_mvm_bt_rssi_event_old(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1318                                enum ieee80211_rssi_event_data);
1319 u16 iwl_mvm_coex_agg_time_limit_old(struct iwl_mvm *mvm,
1320                                     struct ieee80211_sta *sta);
1321 bool iwl_mvm_bt_coex_is_mimo_allowed_old(struct iwl_mvm *mvm,
1322                                          struct ieee80211_sta *sta);
1323 bool iwl_mvm_bt_coex_is_tpc_allowed_old(struct iwl_mvm *mvm,
1324                                         enum ieee80211_band band);
1325 int iwl_mvm_rx_ant_coupling_notif_old(struct iwl_mvm *mvm,
1326                                       struct iwl_rx_cmd_buffer *rxb,
1327                                       struct iwl_device_cmd *cmd);
1328
1329 /* beacon filtering */
1330 #ifdef CONFIG_IWLWIFI_DEBUGFS
1331 void
1332 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1333                                          struct iwl_beacon_filter_cmd *cmd);
1334 #else
1335 static inline void
1336 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1337                                          struct iwl_beacon_filter_cmd *cmd)
1338 {}
1339 #endif
1340 int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm,
1341                                    struct ieee80211_vif *vif,
1342                                    bool enable, u32 flags);
1343 int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
1344                                  struct ieee80211_vif *vif,
1345                                  u32 flags);
1346 int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
1347                                   struct ieee80211_vif *vif,
1348                                   u32 flags);
1349 /* SMPS */
1350 void iwl_mvm_update_smps(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1351                                 enum iwl_mvm_smps_type_request req_type,
1352                                 enum ieee80211_smps_mode smps_request);
1353 bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm *mvm);
1354
1355 /* Low latency */
1356 int iwl_mvm_update_low_latency(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1357                                bool value);
1358 /* get SystemLowLatencyMode - only needed for beacon threshold? */
1359 bool iwl_mvm_low_latency(struct iwl_mvm *mvm);
1360 /* get VMACLowLatencyMode */
1361 static inline bool iwl_mvm_vif_low_latency(struct iwl_mvm_vif *mvmvif)
1362 {
1363         /*
1364          * should this consider associated/active/... state?
1365          *
1366          * Normally low-latency should only be active on interfaces
1367          * that are active, but at least with debugfs it can also be
1368          * enabled on interfaces that aren't active. However, when
1369          * interface aren't active then they aren't added into the
1370          * binding, so this has no real impact. For now, just return
1371          * the current desired low-latency state.
1372          */
1373
1374         return mvmvif->low_latency;
1375 }
1376
1377 /* hw scheduler queue config */
1378 void iwl_mvm_enable_txq(struct iwl_mvm *mvm, int queue, u16 ssn,
1379                         const struct iwl_trans_txq_scd_cfg *cfg,
1380                         unsigned int wdg_timeout);
1381 void iwl_mvm_disable_txq(struct iwl_mvm *mvm, int queue, u8 flags);
1382
1383 static inline
1384 void iwl_mvm_enable_ac_txq(struct iwl_mvm *mvm, int queue,
1385                            u8 fifo, unsigned int wdg_timeout)
1386 {
1387         struct iwl_trans_txq_scd_cfg cfg = {
1388                 .fifo = fifo,
1389                 .tid = IWL_MAX_TID_COUNT,
1390                 .aggregate = false,
1391                 .frame_limit = IWL_FRAME_LIMIT,
1392         };
1393
1394         iwl_mvm_enable_txq(mvm, queue, 0, &cfg, wdg_timeout);
1395 }
1396
1397 static inline void iwl_mvm_enable_agg_txq(struct iwl_mvm *mvm, int queue,
1398                                           int fifo, int sta_id, int tid,
1399                                           int frame_limit, u16 ssn,
1400                                           unsigned int wdg_timeout)
1401 {
1402         struct iwl_trans_txq_scd_cfg cfg = {
1403                 .fifo = fifo,
1404                 .sta_id = sta_id,
1405                 .tid = tid,
1406                 .frame_limit = frame_limit,
1407                 .aggregate = true,
1408         };
1409
1410         iwl_mvm_enable_txq(mvm, queue, ssn, &cfg, wdg_timeout);
1411 }
1412
1413 /* Thermal management and CT-kill */
1414 void iwl_mvm_tt_tx_backoff(struct iwl_mvm *mvm, u32 backoff);
1415 void iwl_mvm_tt_temp_changed(struct iwl_mvm *mvm, u32 temp);
1416 int iwl_mvm_temp_notif(struct iwl_mvm *mvm,
1417                        struct iwl_rx_cmd_buffer *rxb,
1418                        struct iwl_device_cmd *cmd);
1419 void iwl_mvm_tt_handler(struct iwl_mvm *mvm);
1420 void iwl_mvm_tt_initialize(struct iwl_mvm *mvm, u32 min_backoff);
1421 void iwl_mvm_tt_exit(struct iwl_mvm *mvm);
1422 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state);
1423 int iwl_mvm_get_temp(struct iwl_mvm *mvm);
1424
1425 /* Location Aware Regulatory */
1426 struct iwl_mcc_update_resp *
1427 iwl_mvm_update_mcc(struct iwl_mvm *mvm, const char *alpha2,
1428                    enum iwl_mcc_source src_id);
1429 int iwl_mvm_init_mcc(struct iwl_mvm *mvm);
1430 int iwl_mvm_rx_chub_update_mcc(struct iwl_mvm *mvm,
1431                                struct iwl_rx_cmd_buffer *rxb,
1432                                struct iwl_device_cmd *cmd);
1433 struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy,
1434                                                   const char *alpha2,
1435                                                   enum iwl_mcc_source src_id,
1436                                                   bool *changed);
1437 struct ieee80211_regdomain *iwl_mvm_get_current_regdomain(struct iwl_mvm *mvm,
1438                                                           bool *changed);
1439 int iwl_mvm_init_fw_regd(struct iwl_mvm *mvm);
1440 void iwl_mvm_update_changed_regdom(struct iwl_mvm *mvm);
1441
1442 /* smart fifo */
1443 int iwl_mvm_sf_update(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1444                       bool added_vif);
1445
1446 /* TDLS */
1447
1448 /*
1449  * We use TID 4 (VI) as a FW-used-only TID when TDLS connections are present.
1450  * This TID is marked as used vs the AP and all connected TDLS peers.
1451  */
1452 #define IWL_MVM_TDLS_FW_TID 4
1453
1454 int iwl_mvm_tdls_sta_count(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1455 void iwl_mvm_teardown_tdls_peers(struct iwl_mvm *mvm);
1456 void iwl_mvm_recalc_tdls_state(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1457                                bool sta_added);
1458 void iwl_mvm_mac_mgd_protect_tdls_discover(struct ieee80211_hw *hw,
1459                                            struct ieee80211_vif *vif);
1460 int iwl_mvm_tdls_channel_switch(struct ieee80211_hw *hw,
1461                                 struct ieee80211_vif *vif,
1462                                 struct ieee80211_sta *sta, u8 oper_class,
1463                                 struct cfg80211_chan_def *chandef,
1464                                 struct sk_buff *tmpl_skb, u32 ch_sw_tm_ie);
1465 void iwl_mvm_tdls_recv_channel_switch(struct ieee80211_hw *hw,
1466                                       struct ieee80211_vif *vif,
1467                                       struct ieee80211_tdls_ch_sw_params *params);
1468 void iwl_mvm_tdls_cancel_channel_switch(struct ieee80211_hw *hw,
1469                                         struct ieee80211_vif *vif,
1470                                         struct ieee80211_sta *sta);
1471 int iwl_mvm_rx_tdls_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1472                           struct iwl_device_cmd *cmd);
1473 void iwl_mvm_tdls_ch_switch_work(struct work_struct *work);
1474
1475 struct ieee80211_vif *iwl_mvm_get_bss_vif(struct iwl_mvm *mvm);
1476
1477 void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error);
1478 void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm);
1479
1480 int iwl_mvm_start_fw_dbg_conf(struct iwl_mvm *mvm, u8 id);
1481 int iwl_mvm_fw_dbg_collect(struct iwl_mvm *mvm, enum iwl_fw_dbg_trigger trig,
1482                            const char *str, size_t len, unsigned int delay);
1483 int iwl_mvm_fw_dbg_collect_desc(struct iwl_mvm *mvm,
1484                                 struct iwl_mvm_dump_desc *desc,
1485                                 unsigned int delay);
1486 void iwl_mvm_free_fw_dump_desc(struct iwl_mvm *mvm);
1487 int iwl_mvm_fw_dbg_collect_trig(struct iwl_mvm *mvm,
1488                                 struct iwl_fw_dbg_trigger_tlv *trigger,
1489                                 const char *fmt, ...) __printf(3, 4);
1490 unsigned int iwl_mvm_get_wd_timeout(struct iwl_mvm *mvm,
1491                                     struct ieee80211_vif *vif,
1492                                     bool tdls, bool cmd_q);
1493 void iwl_mvm_connection_loss(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1494                              const char *errmsg);
1495 static inline bool
1496 iwl_fw_dbg_trigger_vif_match(struct iwl_fw_dbg_trigger_tlv *trig,
1497                              struct ieee80211_vif *vif)
1498 {
1499         u32 trig_vif = le32_to_cpu(trig->vif_type);
1500
1501         return trig_vif == IWL_FW_DBG_CONF_VIF_ANY || vif->type == trig_vif;
1502 }
1503
1504 static inline bool
1505 iwl_fw_dbg_trigger_stop_conf_match(struct iwl_mvm *mvm,
1506                                    struct iwl_fw_dbg_trigger_tlv *trig)
1507 {
1508         return ((trig->mode & IWL_FW_DBG_TRIGGER_STOP) &&
1509                 (mvm->fw_dbg_conf == FW_DBG_INVALID ||
1510                 (BIT(mvm->fw_dbg_conf) & le32_to_cpu(trig->stop_conf_ids))));
1511 }
1512
1513 static inline bool
1514 iwl_fw_dbg_trigger_check_stop(struct iwl_mvm *mvm,
1515                               struct ieee80211_vif *vif,
1516                               struct iwl_fw_dbg_trigger_tlv *trig)
1517 {
1518         if (vif && !iwl_fw_dbg_trigger_vif_match(trig, vif))
1519                 return false;
1520
1521         return iwl_fw_dbg_trigger_stop_conf_match(mvm, trig);
1522 }
1523
1524 static inline void
1525 iwl_fw_dbg_trigger_simple_stop(struct iwl_mvm *mvm,
1526                                struct ieee80211_vif *vif,
1527                                enum iwl_fw_dbg_trigger trig)
1528 {
1529         struct iwl_fw_dbg_trigger_tlv *trigger;
1530
1531         if (!iwl_fw_dbg_trigger_enabled(mvm->fw, trig))
1532                 return;
1533
1534         trigger = iwl_fw_dbg_get_trigger(mvm->fw, trig);
1535         if (!iwl_fw_dbg_trigger_check_stop(mvm, vif, trigger))
1536                 return;
1537
1538         iwl_mvm_fw_dbg_collect_trig(mvm, trigger, NULL);
1539 }
1540
1541 #endif /* __IWL_MVM_H__ */