kernel/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_NONE,
 450         IWL_MVM_SCAN_OS,
 451         IWL_MVM_SCAN_SCHED,
 452 };
 453
 454 /**
 455  * struct iwl_nvm_section - describes an NVM section in memory.
 456  *
 457  * This struct holds an NVM section read from the NIC using NVM_ACCESS_CMD,
 458  * and saved for later use by the driver. Not all NVM sections are saved
 459  * this way, only the needed ones.
 460  */
 461 struct iwl_nvm_section {
 462         u16 length;
 463         const u8 *data;
 464 };
 465
 466 /*
 467  * Tx-backoff threshold
 468  * @temperature: The threshold in Celsius
 469  * @backoff: The tx-backoff in uSec
 470  */
 471 struct iwl_tt_tx_backoff {
 472         s32 temperature;
 473         u32 backoff;
 474 };
 475
 476 #define TT_TX_BACKOFF_SIZE 6
 477
 478 /**
 479  * struct iwl_tt_params - thermal throttling parameters
 480  * @ct_kill_entry: CT Kill entry threshold
 481  * @ct_kill_exit: CT Kill exit threshold
 482  * @ct_kill_duration: The time  intervals (in uSec) in which the driver needs
 483  *      to checks whether to exit CT Kill.
 484  * @dynamic_smps_entry: Dynamic SMPS entry threshold
 485  * @dynamic_smps_exit: Dynamic SMPS exit threshold
 486  * @tx_protection_entry: TX protection entry threshold
 487  * @tx_protection_exit: TX protection exit threshold
 488  * @tx_backoff: Array of thresholds for tx-backoff , in ascending order.
 489  * @support_ct_kill: Support CT Kill?
 490  * @support_dynamic_smps: Support dynamic SMPS?
 491  * @support_tx_protection: Support tx protection?
 492  * @support_tx_backoff: Support tx-backoff?
 493  */
 494 struct iwl_tt_params {
 495         s32 ct_kill_entry;
 496         s32 ct_kill_exit;
 497         u32 ct_kill_duration;
 498         s32 dynamic_smps_entry;
 499         s32 dynamic_smps_exit;
 500         s32 tx_protection_entry;
 501         s32 tx_protection_exit;
 502         struct iwl_tt_tx_backoff tx_backoff[TT_TX_BACKOFF_SIZE];
 503         bool support_ct_kill;
 504         bool support_dynamic_smps;
 505         bool support_tx_protection;
 506         bool support_tx_backoff;
 507 };
 508
 509 /**
 510  * struct iwl_mvm_tt_mgnt - Thermal Throttling Management structure
 511  * @ct_kill_exit: worker to exit thermal kill
 512  * @dynamic_smps: Is thermal throttling enabled dynamic_smps?
 513  * @tx_backoff: The current thremal throttling tx backoff in uSec.
 514  * @min_backoff: The minimal tx backoff due to power restrictions
 515  * @params: Parameters to configure the thermal throttling algorithm.
 516  * @throttle: Is thermal throttling is active?
 517  */
 518 struct iwl_mvm_tt_mgmt {
 519         struct delayed_work ct_kill_exit;
 520         bool dynamic_smps;
 521         u32 tx_backoff;
 522         u32 min_backoff;
 523         const struct iwl_tt_params *params;
 524         bool throttle;
 525 };
 526
 527 #define IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES 8
 528
 529 struct iwl_mvm_frame_stats {
 530         u32 legacy_frames;
 531         u32 ht_frames;
 532         u32 vht_frames;
 533         u32 bw_20_frames;
 534         u32 bw_40_frames;
 535         u32 bw_80_frames;
 536         u32 bw_160_frames;
 537         u32 sgi_frames;
 538         u32 ngi_frames;
 539         u32 siso_frames;
 540         u32 mimo2_frames;
 541         u32 agg_frames;
 542         u32 ampdu_count;
 543         u32 success_frames;
 544         u32 fail_frames;
 545         u32 last_rates[IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES];
 546         int last_frame_idx;
 547 };
 548
 549 enum {
 550         D0I3_DEFER_WAKEUP,
 551         D0I3_PENDING_WAKEUP,
 552 };
 553
 554 #define IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE 0xff
 555 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MIN -100
 556 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MAX 200
 557
 558 enum iwl_mvm_tdls_cs_state {
 559         IWL_MVM_TDLS_SW_IDLE = 0,
 560         IWL_MVM_TDLS_SW_REQ_SENT,
 561         IWL_MVM_TDLS_SW_RESP_RCVD,
 562         IWL_MVM_TDLS_SW_REQ_RCVD,
 563         IWL_MVM_TDLS_SW_ACTIVE,
 564 };
 565
 566 struct iwl_mvm_shared_mem_cfg {
 567         u32 shared_mem_addr;
 568         u32 shared_mem_size;
 569         u32 sample_buff_addr;
 570         u32 sample_buff_size;
 571         u32 txfifo_addr;
 572         u32 txfifo_size[TX_FIFO_MAX_NUM];
 573         u32 rxfifo_size[RX_FIFO_MAX_NUM];
 574         u32 page_buff_addr;
 575         u32 page_buff_size;
 576 };
 577
 578 struct iwl_mvm {
 579         /* for logger access */
 580         struct device *dev;
 581
 582         struct iwl_trans *trans;
 583         const struct iwl_fw *fw;
 584         const struct iwl_cfg *cfg;
 585         struct iwl_phy_db *phy_db;
 586         struct ieee80211_hw *hw;
 587
 588         /* for protecting access to iwl_mvm */
 589         struct mutex mutex;
 590         struct list_head async_handlers_list;
 591         spinlock_t async_handlers_lock;
 592         struct work_struct async_handlers_wk;
 593
 594         struct work_struct roc_done_wk;
 595
 596         unsigned long status;
 597
 598         /*
 599          * for beacon filtering -
 600          * currently only one interface can be supported
 601          */
 602         struct iwl_mvm_vif *bf_allowed_vif;
 603
 604         enum iwl_ucode_type cur_ucode;
 605         bool ucode_loaded;
 606         bool calibrating;
 607         u32 error_event_table;
 608         u32 log_event_table;
 609         u32 umac_error_event_table;
 610         bool support_umac_log;
 611         struct iwl_sf_region sf_space;
 612
 613         u32 ampdu_ref;
 614
 615         struct iwl_notif_wait_data notif_wait;
 616
 617         struct mvm_statistics_rx rx_stats;
 618
 619         struct {
 620                 u64 rx_time;
 621                 u64 tx_time;
 622                 u64 on_time_rf;
 623                 u64 on_time_scan;
 624         } radio_stats, accu_radio_stats;
 625
 626         u8 queue_to_mac80211[IWL_MAX_HW_QUEUES];
 627         atomic_t mac80211_queue_stop_count[IEEE80211_MAX_QUEUES];
 628
 629         const char *nvm_file_name;
 630         struct iwl_nvm_data *nvm_data;
 631         /* NVM sections */
 632         struct iwl_nvm_section nvm_sections[NVM_MAX_NUM_SECTIONS];
 633
 634         /* EEPROM MAC addresses */
 635         struct mac_address addresses[IWL_MVM_MAX_ADDRESSES];
 636
 637         /* data related to data path */
 638         struct iwl_rx_phy_info last_phy_info;
 639         struct ieee80211_sta __rcu *fw_id_to_mac_id[IWL_MVM_STATION_COUNT];
 640         struct work_struct sta_drained_wk;
 641         unsigned long sta_drained[BITS_TO_LONGS(IWL_MVM_STATION_COUNT)];
 642         atomic_t pending_frames[IWL_MVM_STATION_COUNT];
 643         u32 tfd_drained[IWL_MVM_STATION_COUNT];
 644         u8 rx_ba_sessions;
 645
 646         /* configured by mac80211 */
 647         u32 rts_threshold;
 648
 649         /* Scan status, cmd (pre-allocated) and auxiliary station */
 650         enum iwl_scan_status scan_status;
 651         void *scan_cmd;
 652         struct iwl_mcast_filter_cmd *mcast_filter_cmd;
 653
 654         /* UMAC scan tracking */
 655         u32 scan_uid[IWL_MVM_MAX_SIMULTANEOUS_SCANS];
 656         u8 scan_seq_num, sched_scan_seq_num;
 657
 658         /* rx chain antennas set through debugfs for the scan command */
 659         u8 scan_rx_ant;
 660
 661 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
 662         /* broadcast filters to configure for each associated station */
 663         const struct iwl_fw_bcast_filter *bcast_filters;
 664 #ifdef CONFIG_IWLWIFI_DEBUGFS
 665         struct {
 666                 u32 override; /* u32 for debugfs_create_bool */
 667                 struct iwl_bcast_filter_cmd cmd;
 668         } dbgfs_bcast_filtering;
 669 #endif
 670 #endif
 671
 672         /* Internal station */
 673         struct iwl_mvm_int_sta aux_sta;
 674
 675         bool last_ebs_successful;
 676
 677         u8 scan_last_antenna_idx; /* to toggle TX between antennas */
 678         u8 mgmt_last_antenna_idx;
 679
 680         /* last smart fifo state that was successfully sent to firmware */
 681         enum iwl_sf_state sf_state;
 682
 683 #ifdef CONFIG_IWLWIFI_DEBUGFS
 684         struct dentry *debugfs_dir;
 685         u32 dbgfs_sram_offset, dbgfs_sram_len;
 686         u32 dbgfs_prph_reg_addr;
 687         bool disable_power_off;
 688         bool disable_power_off_d3;
 689
 690         u32 scan_iter_notif_enabled; /* must be u32 for debugfs_create_bool */
 691
 692         struct debugfs_blob_wrapper nvm_hw_blob;
 693         struct debugfs_blob_wrapper nvm_sw_blob;
 694         struct debugfs_blob_wrapper nvm_calib_blob;
 695         struct debugfs_blob_wrapper nvm_prod_blob;
 696
 697         struct iwl_mvm_frame_stats drv_rx_stats;
 698         spinlock_t drv_stats_lock;
 699         u16 dbgfs_rx_phyinfo;
 700 #endif
 701
 702         struct iwl_mvm_phy_ctxt phy_ctxts[NUM_PHY_CTX];
 703
 704         struct list_head time_event_list;
 705         spinlock_t time_event_lock;
 706
 707         /*
 708          * A bitmap indicating the index of the key in use. The firmware
 709          * can hold 16 keys at most. Reflect this fact.
 710          */
 711         unsigned long fw_key_table[BITS_TO_LONGS(STA_KEY_MAX_NUM)];
 712
 713         /* references taken by the driver and spinlock protecting them */
 714         spinlock_t refs_lock;
 715         u8 refs[IWL_MVM_REF_COUNT];
 716
 717         u8 vif_count;
 718
 719         /* -1 for always, 0 for never, >0 for that many times */
 720         s8 restart_fw;
 721         u8 fw_dbg_conf;
 722         struct delayed_work fw_dump_wk;
 723         struct iwl_mvm_dump_desc *fw_dump_desc;
 724
 725 #ifdef CONFIG_IWLWIFI_LEDS
 726         struct led_classdev led;
 727 #endif
 728
 729         struct ieee80211_vif *p2p_device_vif;
 730
 731 #ifdef CONFIG_PM_SLEEP
 732         struct wiphy_wowlan_support wowlan;
 733         int gtk_ivlen, gtk_icvlen, ptk_ivlen, ptk_icvlen;
 734
 735         /* sched scan settings for net detect */
 736         struct cfg80211_sched_scan_request *nd_config;
 737         struct ieee80211_scan_ies nd_ies;
 738         struct cfg80211_match_set *nd_match_sets;
 739         int n_nd_match_sets;
 740         struct ieee80211_channel **nd_channels;
 741         int n_nd_channels;
 742         bool net_detect;
 743 #ifdef CONFIG_IWLWIFI_DEBUGFS
 744         u32 d3_wake_sysassert; /* must be u32 for debugfs_create_bool */
 745         bool d3_test_active;
 746         bool store_d3_resume_sram;
 747         void *d3_resume_sram;
 748         u32 d3_test_pme_ptr;
 749         struct ieee80211_vif *keep_vif;
 750         u32 last_netdetect_scans; /* no. of scans in the last net-detect wake */
 751 #endif
 752 #endif
 753
 754         /* d0i3 */
 755         u8 d0i3_ap_sta_id;
 756         bool d0i3_offloading;
 757         struct work_struct d0i3_exit_work;
 758         struct sk_buff_head d0i3_tx;
 759         /* protect d0i3_suspend_flags */
 760         struct mutex d0i3_suspend_mutex;
 761         unsigned long d0i3_suspend_flags;
 762         /* sync d0i3_tx queue and IWL_MVM_STATUS_IN_D0I3 status flag */
 763         spinlock_t d0i3_tx_lock;
 764         wait_queue_head_t d0i3_exit_waitq;
 765
 766         /* BT-Coex */
 767         u8 bt_ack_kill_msk[NUM_PHY_CTX];
 768         u8 bt_cts_kill_msk[NUM_PHY_CTX];
 769
 770         struct iwl_bt_coex_profile_notif_old last_bt_notif_old;
 771         struct iwl_bt_coex_ci_cmd_old last_bt_ci_cmd_old;
 772         struct iwl_bt_coex_profile_notif last_bt_notif;
 773         struct iwl_bt_coex_ci_cmd last_bt_ci_cmd;
 774
 775         u32 last_ant_isol;
 776         u8 last_corun_lut;
 777         u8 bt_tx_prio;
 778         enum iwl_bt_force_ant_mode bt_force_ant_mode;
 779
 780         /* Aux ROC */
 781         struct list_head aux_roc_te_list;
 782
 783         /* Thermal Throttling and CTkill */
 784         struct iwl_mvm_tt_mgmt thermal_throttle;
 785         s32 temperature;        /* Celsius */
 786         /*
 787          * Debug option to set the NIC temperature. This option makes the
 788          * driver think this is the actual NIC temperature, and ignore the
 789          * real temperature that is received from the fw
 790          */
 791         bool temperature_test;  /* Debug test temperature is enabled */
 792
 793         struct iwl_time_quota_cmd last_quota_cmd;
 794
 795 #ifdef CONFIG_NL80211_TESTMODE
 796         u32 noa_duration;
 797         struct ieee80211_vif *noa_vif;
 798 #endif
 799
 800         /* Tx queues */
 801         u8 aux_queue;
 802         u8 first_agg_queue;
 803         u8 last_agg_queue;
 804
 805         /* Indicate if device power save is allowed */
 806         u8 ps_disabled; /* u8 instead of bool to ease debugfs_create_* usage */
 807
 808         struct ieee80211_vif __rcu *csa_vif;
 809         struct ieee80211_vif __rcu *csa_tx_blocked_vif;
 810         u8 csa_tx_block_bcn_timeout;
 811
 812         /* system time of last beacon (for AP/GO interface) */
 813         u32 ap_last_beacon_gp2;
 814
 815         bool lar_regdom_set;
 816         enum iwl_mcc_source mcc_src;
 817
 818         u8 low_latency_agg_frame_limit;
 819
 820         /* TDLS channel switch data */
 821         struct {
 822                 struct delayed_work dwork;
 823                 enum iwl_mvm_tdls_cs_state state;
 824
 825                 /*
 826                  * Current cs sta - might be different from periodic cs peer
 827                  * station. Value is meaningless when the cs-state is idle.
 828                  */
 829                 u8 cur_sta_id;
 830
 831                 /* TDLS periodic channel-switch peer */
 832                 struct {
 833                         u8 sta_id;
 834                         u8 op_class;
 835                         bool initiator; /* are we the link initiator */
 836                         struct cfg80211_chan_def chandef;
 837                         struct sk_buff *skb; /* ch sw template */
 838                         u32 ch_sw_tm_ie;
 839
 840                         /* timestamp of last ch-sw request sent (GP2 time) */
 841                         u32 sent_timestamp;
 842                 } peer;
 843         } tdls_cs;
 844
 845         struct iwl_mvm_shared_mem_cfg shared_mem_cfg;
 846 };
 847
 848 /* Extract MVM priv from op_mode and _hw */
 849 #define IWL_OP_MODE_GET_MVM(_iwl_op_mode)               \
 850         ((struct iwl_mvm *)(_iwl_op_mode)->op_mode_specific)
 851
 852 #define IWL_MAC80211_GET_MVM(_hw)                       \
 853         IWL_OP_MODE_GET_MVM((struct iwl_op_mode *)((_hw)->priv))
 854
 855 enum iwl_mvm_status {
 856         IWL_MVM_STATUS_HW_RFKILL,
 857         IWL_MVM_STATUS_HW_CTKILL,
 858         IWL_MVM_STATUS_ROC_RUNNING,
 859         IWL_MVM_STATUS_IN_HW_RESTART,
 860         IWL_MVM_STATUS_IN_D0I3,
 861         IWL_MVM_STATUS_ROC_AUX_RUNNING,
 862         IWL_MVM_STATUS_D3_RECONFIG,
 863         IWL_MVM_STATUS_DUMPING_FW_LOG,
 864 };
 865
 866 static inline bool iwl_mvm_is_radio_killed(struct iwl_mvm *mvm)
 867 {
 868         return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status) ||
 869                test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
 870 }
 871
 872 /* Must be called with rcu_read_lock() held and it can only be
 873  * released when mvmsta is not needed anymore.
 874  */
 875 static inline struct iwl_mvm_sta *
 876 iwl_mvm_sta_from_staid_rcu(struct iwl_mvm *mvm, u8 sta_id)
 877 {
 878         struct ieee80211_sta *sta;
 879
 880         if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
 881                 return NULL;
 882
 883         sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
 884
 885         /* This can happen if the station has been removed right now */
 886         if (IS_ERR_OR_NULL(sta))
 887                 return NULL;
 888
 889         return iwl_mvm_sta_from_mac80211(sta);
 890 }
 891
 892 static inline struct iwl_mvm_sta *
 893 iwl_mvm_sta_from_staid_protected(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_protected(mvm->fw_id_to_mac_id[sta_id],
 901                                         lockdep_is_held(&mvm->mutex));
 902
 903         /* This can happen if the station has been removed right now */
 904         if (IS_ERR_OR_NULL(sta))
 905                 return NULL;
 906
 907         return iwl_mvm_sta_from_mac80211(sta);
 908 }
 909
 910 static inline bool iwl_mvm_is_d0i3_supported(struct iwl_mvm *mvm)
 911 {
 912         return mvm->trans->cfg->d0i3 &&
 913                mvm->trans->d0i3_mode != IWL_D0I3_MODE_OFF &&
 914                !iwlwifi_mod_params.d0i3_disable &&
 915                (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_D0I3_SUPPORT);
 916 }
 917
 918 static inline bool iwl_mvm_is_lar_supported(struct iwl_mvm *mvm)
 919 {
 920         bool nvm_lar = mvm->nvm_data->lar_enabled;
 921         bool tlv_lar = mvm->fw->ucode_capa.capa[0] &
 922                 IWL_UCODE_TLV_CAPA_LAR_SUPPORT;
 923
 924         if (iwlwifi_mod_params.lar_disable)
 925                 return false;
 926
 927         /*
 928          * Enable LAR only if it is supported by the FW (TLV) &&
 929          * enabled in the NVM
 930          */
 931         if (mvm->cfg->device_family == IWL_DEVICE_FAMILY_8000)
 932                 return nvm_lar && tlv_lar;
 933         else
 934                 return tlv_lar;
 935 }
 936
 937 static inline bool iwl_mvm_is_wifi_mcc_supported(struct iwl_mvm *mvm)
 938 {
 939         return mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_WIFI_MCC_UPDATE ||
 940                mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_LAR_MULTI_MCC;
 941 }
 942
 943 static inline bool iwl_mvm_is_scd_cfg_supported(struct iwl_mvm *mvm)
 944 {
 945         return mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_SCD_CFG;
 946 }
 947
 948 static inline bool iwl_mvm_bt_is_plcr_supported(struct iwl_mvm *mvm)
 949 {
 950         return (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_BT_COEX_PLCR) &&
 951                 IWL_MVM_BT_COEX_CORUNNING;
 952 }
 953
 954 static inline bool iwl_mvm_bt_is_rrc_supported(struct iwl_mvm *mvm)
 955 {
 956         return (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_BT_COEX_RRC) &&
 957                 IWL_MVM_BT_COEX_RRC;
 958 }
 959
 960 extern const u8 iwl_mvm_ac_to_tx_fifo[];
 961
 962 struct iwl_rate_info {
 963         u8 plcp;        /* uCode API:  IWL_RATE_6M_PLCP, etc. */
 964         u8 plcp_siso;   /* uCode API:  IWL_RATE_SISO_6M_PLCP, etc. */
 965         u8 plcp_mimo2;  /* uCode API:  IWL_RATE_MIMO2_6M_PLCP, etc. */
 966         u8 plcp_mimo3;  /* uCode API:  IWL_RATE_MIMO3_6M_PLCP, etc. */
 967         u8 ieee;        /* MAC header:  IWL_RATE_6M_IEEE, etc. */
 968 };
 969
 970 void __iwl_mvm_mac_stop(struct iwl_mvm *mvm);
 971 int __iwl_mvm_mac_start(struct iwl_mvm *mvm);
 972
 973 /******************
 974  * MVM Methods
 975  ******************/
 976 /* uCode */
 977 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm);
 978
 979 /* Utils */
 980 int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags,
 981                                         enum ieee80211_band band);
 982 void iwl_mvm_hwrate_to_tx_rate(u32 rate_n_flags,
 983                                enum ieee80211_band band,
 984                                struct ieee80211_tx_rate *r);
 985 u8 iwl_mvm_mac80211_idx_to_hwrate(int rate_idx);
 986 void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm);
 987 u8 first_antenna(u8 mask);
 988 u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx);
 989
 990 /* Tx / Host Commands */
 991 int __must_check iwl_mvm_send_cmd(struct iwl_mvm *mvm,
 992                                   struct iwl_host_cmd *cmd);
 993 int __must_check iwl_mvm_send_cmd_pdu(struct iwl_mvm *mvm, u8 id,
 994                                       u32 flags, u16 len, const void *data);
 995 int __must_check iwl_mvm_send_cmd_status(struct iwl_mvm *mvm,
 996                                          struct iwl_host_cmd *cmd,
 997                                          u32 *status);
 998 int __must_check iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u8 id,
 999                                              u16 len, const void *data,
1000                                              u32 *status);
1001 int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb,
1002                    struct ieee80211_sta *sta);
1003 int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb);
1004 void iwl_mvm_set_tx_cmd(struct iwl_mvm *mvm, struct sk_buff *skb,
1005                         struct iwl_tx_cmd *tx_cmd,
1006                         struct ieee80211_tx_info *info, u8 sta_id);
1007 void iwl_mvm_set_tx_cmd_crypto(struct iwl_mvm *mvm,
1008                                struct ieee80211_tx_info *info,
1009                                struct iwl_tx_cmd *tx_cmd,
1010                                struct sk_buff *skb_frag);
1011 void iwl_mvm_set_tx_cmd_rate(struct iwl_mvm *mvm, struct iwl_tx_cmd *tx_cmd,
1012                             struct ieee80211_tx_info *info,
1013                             struct ieee80211_sta *sta, __le16 fc);
1014 #ifdef CONFIG_IWLWIFI_DEBUG
1015 const char *iwl_mvm_get_tx_fail_reason(u32 status);
1016 #else
1017 static inline const char *iwl_mvm_get_tx_fail_reason(u32 status) { return ""; }
1018 #endif
1019 int iwl_mvm_flush_tx_path(struct iwl_mvm *mvm, u32 tfd_msk, bool sync);
1020 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm);
1021
1022 static inline void iwl_mvm_wait_for_async_handlers(struct iwl_mvm *mvm)
1023 {
1024         flush_work(&mvm->async_handlers_wk);
1025 }
1026
1027 /* Statistics */
1028 void iwl_mvm_handle_rx_statistics(struct iwl_mvm *mvm,
1029                                   struct iwl_rx_packet *pkt);
1030 int iwl_mvm_rx_statistics(struct iwl_mvm *mvm,
1031                           struct iwl_rx_cmd_buffer *rxb,
1032                           struct iwl_device_cmd *cmd);
1033 int iwl_mvm_request_statistics(struct iwl_mvm *mvm, bool clear);
1034 void iwl_mvm_accu_radio_stats(struct iwl_mvm *mvm);
1035
1036 /* NVM */
1037 int iwl_nvm_init(struct iwl_mvm *mvm, bool read_nvm_from_nic);
1038 int iwl_mvm_load_nvm_to_nic(struct iwl_mvm *mvm);
1039
1040 static inline u8 iwl_mvm_get_valid_tx_ant(struct iwl_mvm *mvm)
1041 {
1042         return mvm->nvm_data && mvm->nvm_data->valid_tx_ant ?
1043                mvm->fw->valid_tx_ant & mvm->nvm_data->valid_tx_ant :
1044                mvm->fw->valid_tx_ant;
1045 }
1046
1047 static inline u8 iwl_mvm_get_valid_rx_ant(struct iwl_mvm *mvm)
1048 {
1049         return mvm->nvm_data && mvm->nvm_data->valid_rx_ant ?
1050                mvm->fw->valid_rx_ant & mvm->nvm_data->valid_rx_ant :
1051                mvm->fw->valid_rx_ant;
1052 }
1053
1054 static inline u32 iwl_mvm_get_phy_config(struct iwl_mvm *mvm)
1055 {
1056         u32 phy_config = ~(FW_PHY_CFG_TX_CHAIN |
1057                            FW_PHY_CFG_RX_CHAIN);
1058         u32 valid_rx_ant = iwl_mvm_get_valid_rx_ant(mvm);
1059         u32 valid_tx_ant = iwl_mvm_get_valid_tx_ant(mvm);
1060
1061         phy_config |= valid_tx_ant << FW_PHY_CFG_TX_CHAIN_POS |
1062                       valid_rx_ant << FW_PHY_CFG_RX_CHAIN_POS;
1063
1064         return mvm->fw->phy_config & phy_config;
1065 }
1066
1067 int iwl_mvm_up(struct iwl_mvm *mvm);
1068 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm);
1069
1070 int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm);
1071 bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm,
1072                                     struct iwl_bcast_filter_cmd *cmd);
1073
1074 /*
1075  * FW notifications / CMD responses handlers
1076  * Convention: iwl_mvm_rx_<NAME OF THE CMD>
1077  */
1078 int iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1079                           struct iwl_device_cmd *cmd);
1080 int iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1081                        struct iwl_device_cmd *cmd);
1082 int iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1083                       struct iwl_device_cmd *cmd);
1084 int iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1085                         struct iwl_device_cmd *cmd);
1086 int iwl_mvm_rx_radio_ver(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1087                          struct iwl_device_cmd *cmd);
1088 int iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm,
1089                                   struct iwl_rx_cmd_buffer *rxb,
1090                                   struct iwl_device_cmd *cmd);
1091 int iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1092                           struct iwl_device_cmd *cmd);
1093 int iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
1094                                 struct iwl_rx_cmd_buffer *rxb,
1095                                 struct iwl_device_cmd *cmd);
1096 int iwl_mvm_rx_radio_ver(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1097                          struct iwl_device_cmd *cmd);
1098 int iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1099                             struct iwl_device_cmd *cmd);
1100 int iwl_mvm_rx_shared_mem_cfg_notif(struct iwl_mvm *mvm,
1101                                     struct iwl_rx_cmd_buffer *rxb,
1102                                     struct iwl_device_cmd *cmd);
1103
1104 /* MVM PHY */
1105 int iwl_mvm_phy_ctxt_add(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
1106                          struct cfg80211_chan_def *chandef,
1107                          u8 chains_static, u8 chains_dynamic);
1108 int iwl_mvm_phy_ctxt_changed(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
1109                              struct cfg80211_chan_def *chandef,
1110                              u8 chains_static, u8 chains_dynamic);
1111 void iwl_mvm_phy_ctxt_ref(struct iwl_mvm *mvm,
1112                           struct iwl_mvm_phy_ctxt *ctxt);
1113 void iwl_mvm_phy_ctxt_unref(struct iwl_mvm *mvm,
1114                             struct iwl_mvm_phy_ctxt *ctxt);
1115 int iwl_mvm_phy_ctx_count(struct iwl_mvm *mvm);
1116 u8 iwl_mvm_get_channel_width(struct cfg80211_chan_def *chandef);
1117 u8 iwl_mvm_get_ctrl_pos(struct cfg80211_chan_def *chandef);
1118
1119 /* MAC (virtual interface) programming */
1120 int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1121 void iwl_mvm_mac_ctxt_release(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1122 int iwl_mvm_mac_ctxt_add(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1123 int iwl_mvm_mac_ctxt_changed(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1124                              bool force_assoc_off, const u8 *bssid_override);
1125 int iwl_mvm_mac_ctxt_remove(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1126 u32 iwl_mvm_mac_get_queues_mask(struct ieee80211_vif *vif);
1127 int iwl_mvm_mac_ctxt_beacon_changed(struct iwl_mvm *mvm,
1128                                     struct ieee80211_vif *vif);
1129 int iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm,
1130                             struct iwl_rx_cmd_buffer *rxb,
1131                             struct iwl_device_cmd *cmd);
1132 int iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm,
1133                                     struct iwl_rx_cmd_buffer *rxb,
1134                                     struct iwl_device_cmd *cmd);
1135 void iwl_mvm_mac_ctxt_recalc_tsf_id(struct iwl_mvm *mvm,
1136                                     struct ieee80211_vif *vif);
1137 unsigned long iwl_mvm_get_used_hw_queues(struct iwl_mvm *mvm,
1138                                          struct ieee80211_vif *exclude_vif);
1139
1140 /* Bindings */
1141 int iwl_mvm_binding_add_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1142 int iwl_mvm_binding_remove_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1143
1144 /* Quota management */
1145 int iwl_mvm_update_quotas(struct iwl_mvm *mvm, bool force_upload,
1146                           struct ieee80211_vif *disabled_vif);
1147
1148 /* Scanning */
1149 int iwl_mvm_scan_size(struct iwl_mvm *mvm);
1150 int iwl_mvm_cancel_scan(struct iwl_mvm *mvm);
1151 int iwl_mvm_max_scan_ie_len(struct iwl_mvm *mvm, bool is_sched_scan);
1152 void iwl_mvm_report_scan_aborted(struct iwl_mvm *mvm);
1153
1154 /* Scheduled scan */
1155 int iwl_mvm_rx_scan_offload_complete_notif(struct iwl_mvm *mvm,
1156                                            struct iwl_rx_cmd_buffer *rxb,
1157                                            struct iwl_device_cmd *cmd);
1158 int iwl_mvm_rx_scan_offload_iter_complete_notif(struct iwl_mvm *mvm,
1159                                                 struct iwl_rx_cmd_buffer *rxb,
1160                                                 struct iwl_device_cmd *cmd);
1161 int iwl_mvm_config_sched_scan_profiles(struct iwl_mvm *mvm,
1162                                        struct cfg80211_sched_scan_request *req);
1163 int iwl_mvm_scan_offload_start(struct iwl_mvm *mvm,
1164                                struct ieee80211_vif *vif,
1165                                struct cfg80211_sched_scan_request *req,
1166                                struct ieee80211_scan_ies *ies);
1167 int iwl_mvm_scan_offload_stop(struct iwl_mvm *mvm, bool notify);
1168 int iwl_mvm_rx_scan_offload_results(struct iwl_mvm *mvm,
1169                                     struct iwl_rx_cmd_buffer *rxb,
1170                                     struct iwl_device_cmd *cmd);
1171
1172 /* Unified scan */
1173 int iwl_mvm_unified_scan_lmac(struct iwl_mvm *mvm,
1174                               struct ieee80211_vif *vif,
1175                               struct ieee80211_scan_request *req);
1176 int iwl_mvm_unified_sched_scan_lmac(struct iwl_mvm *mvm,
1177                                     struct ieee80211_vif *vif,
1178                                     struct cfg80211_sched_scan_request *req,
1179                                     struct ieee80211_scan_ies *ies);
1180
1181 /* UMAC scan */
1182 int iwl_mvm_config_scan(struct iwl_mvm *mvm);
1183 int iwl_mvm_scan_umac(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1184                       struct ieee80211_scan_request *req);
1185 int iwl_mvm_sched_scan_umac(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1186                             struct cfg80211_sched_scan_request *req,
1187                             struct ieee80211_scan_ies *ies);
1188 int iwl_mvm_rx_umac_scan_complete_notif(struct iwl_mvm *mvm,
1189                                         struct iwl_rx_cmd_buffer *rxb,
1190                                         struct iwl_device_cmd *cmd);
1191
1192 /* MVM debugfs */
1193 #ifdef CONFIG_IWLWIFI_DEBUGFS
1194 int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir);
1195 void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1196 void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1197 #else
1198 static inline int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm,
1199                                          struct dentry *dbgfs_dir)
1200 {
1201         return 0;
1202 }
1203 static inline void
1204 iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1205 {
1206 }
1207 static inline void
1208 iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1209 {
1210 }
1211 #endif /* CONFIG_IWLWIFI_DEBUGFS */
1212
1213 /* rate scaling */
1214 int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool init);
1215 void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm, u32 rate, bool agg);
1216 int rs_pretty_print_rate(char *buf, const u32 rate);
1217 void rs_update_last_rssi(struct iwl_mvm *mvm,
1218                          struct iwl_lq_sta *lq_sta,
1219                          struct ieee80211_rx_status *rx_status);
1220
1221 /* power management */
1222 int iwl_mvm_power_update_device(struct iwl_mvm *mvm);
1223 int iwl_mvm_power_update_mac(struct iwl_mvm *mvm);
1224 int iwl_mvm_power_update_ps(struct iwl_mvm *mvm);
1225 int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1226                                  char *buf, int bufsz);
1227
1228 void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1229 int iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm,
1230                                              struct iwl_rx_cmd_buffer *rxb,
1231                                              struct iwl_device_cmd *cmd);
1232
1233 #ifdef CONFIG_IWLWIFI_LEDS
1234 int iwl_mvm_leds_init(struct iwl_mvm *mvm);
1235 void iwl_mvm_leds_exit(struct iwl_mvm *mvm);
1236 #else
1237 static inline int iwl_mvm_leds_init(struct iwl_mvm *mvm)
1238 {
1239         return 0;
1240 }
1241 static inline void iwl_mvm_leds_exit(struct iwl_mvm *mvm)
1242 {
1243 }
1244 #endif
1245
1246 /* D3 (WoWLAN, NetDetect) */
1247 int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan);
1248 int iwl_mvm_resume(struct ieee80211_hw *hw);
1249 void iwl_mvm_set_wakeup(struct ieee80211_hw *hw, bool enabled);
1250 void iwl_mvm_set_rekey_data(struct ieee80211_hw *hw,
1251                             struct ieee80211_vif *vif,
1252                             struct cfg80211_gtk_rekey_data *data);
1253 void iwl_mvm_ipv6_addr_change(struct ieee80211_hw *hw,
1254                               struct ieee80211_vif *vif,
1255                               struct inet6_dev *idev);
1256 void iwl_mvm_set_default_unicast_key(struct ieee80211_hw *hw,
1257                                      struct ieee80211_vif *vif, int idx);
1258 extern const struct file_operations iwl_dbgfs_d3_test_ops;
1259 #ifdef CONFIG_PM_SLEEP
1260 void iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm,
1261                                  struct ieee80211_vif *vif);
1262 #else
1263 static inline void
1264 iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1265 {
1266 }
1267 #endif
1268 void iwl_mvm_set_wowlan_qos_seq(struct iwl_mvm_sta *mvm_ap_sta,
1269                                 struct iwl_wowlan_config_cmd *cmd);
1270 int iwl_mvm_send_proto_offload(struct iwl_mvm *mvm,
1271                                struct ieee80211_vif *vif,
1272                                bool disable_offloading,
1273                                u32 cmd_flags);
1274
1275 /* D0i3 */
1276 void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1277 void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1278 int iwl_mvm_ref_sync(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1279 bool iwl_mvm_ref_taken(struct iwl_mvm *mvm);
1280 void iwl_mvm_d0i3_enable_tx(struct iwl_mvm *mvm, __le16 *qos_seq);
1281 int iwl_mvm_enter_d0i3(struct iwl_op_mode *op_mode);
1282 int iwl_mvm_exit_d0i3(struct iwl_op_mode *op_mode);
1283 int _iwl_mvm_exit_d0i3(struct iwl_mvm *mvm);
1284
1285 /* BT Coex */
1286 int iwl_send_bt_init_conf(struct iwl_mvm *mvm);
1287 int iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm,
1288                              struct iwl_rx_cmd_buffer *rxb,
1289                              struct iwl_device_cmd *cmd);
1290 void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1291                            enum ieee80211_rssi_event_data);
1292 void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm);
1293 u16 iwl_mvm_coex_agg_time_limit(struct iwl_mvm *mvm,
1294                                 struct ieee80211_sta *sta);
1295 bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm,
1296                                      struct ieee80211_sta *sta);
1297 bool iwl_mvm_bt_coex_is_ant_avail(struct iwl_mvm *mvm, u8 ant);
1298 bool iwl_mvm_bt_coex_is_shared_ant_avail(struct iwl_mvm *mvm);
1299 bool iwl_mvm_bt_coex_is_tpc_allowed(struct iwl_mvm *mvm,
1300                                     enum ieee80211_band band);
1301 u8 iwl_mvm_bt_coex_tx_prio(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr,
1302                            struct ieee80211_tx_info *info, u8 ac);
1303
1304 bool iwl_mvm_bt_coex_is_shared_ant_avail_old(struct iwl_mvm *mvm);
1305 void iwl_mvm_bt_coex_vif_change_old(struct iwl_mvm *mvm);
1306 int iwl_send_bt_init_conf_old(struct iwl_mvm *mvm);
1307 int iwl_mvm_rx_bt_coex_notif_old(struct iwl_mvm *mvm,
1308                                  struct iwl_rx_cmd_buffer *rxb,
1309                                  struct iwl_device_cmd *cmd);
1310 void iwl_mvm_bt_rssi_event_old(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1311                                enum ieee80211_rssi_event_data);
1312 u16 iwl_mvm_coex_agg_time_limit_old(struct iwl_mvm *mvm,
1313                                     struct ieee80211_sta *sta);
1314 bool iwl_mvm_bt_coex_is_mimo_allowed_old(struct iwl_mvm *mvm,
1315                                          struct ieee80211_sta *sta);
1316 bool iwl_mvm_bt_coex_is_tpc_allowed_old(struct iwl_mvm *mvm,
1317                                         enum ieee80211_band band);
1318 int iwl_mvm_rx_ant_coupling_notif_old(struct iwl_mvm *mvm,
1319                                       struct iwl_rx_cmd_buffer *rxb,
1320                                       struct iwl_device_cmd *cmd);
1321
1322 /* beacon filtering */
1323 #ifdef CONFIG_IWLWIFI_DEBUGFS
1324 void
1325 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1326                                          struct iwl_beacon_filter_cmd *cmd);
1327 #else
1328 static inline void
1329 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1330                                          struct iwl_beacon_filter_cmd *cmd)
1331 {}
1332 #endif
1333 int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm,
1334                                    struct ieee80211_vif *vif,
1335                                    bool enable, u32 flags);
1336 int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
1337                                  struct ieee80211_vif *vif,
1338                                  u32 flags);
1339 int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
1340                                   struct ieee80211_vif *vif,
1341                                   u32 flags);
1342 /* SMPS */
1343 void iwl_mvm_update_smps(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1344                                 enum iwl_mvm_smps_type_request req_type,
1345                                 enum ieee80211_smps_mode smps_request);
1346 bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm *mvm);
1347
1348 /* Low latency */
1349 int iwl_mvm_update_low_latency(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1350                                bool value);
1351 /* get SystemLowLatencyMode - only needed for beacon threshold? */
1352 bool iwl_mvm_low_latency(struct iwl_mvm *mvm);
1353 /* get VMACLowLatencyMode */
1354 static inline bool iwl_mvm_vif_low_latency(struct iwl_mvm_vif *mvmvif)
1355 {
1356         /*
1357          * should this consider associated/active/... state?
1358          *
1359          * Normally low-latency should only be active on interfaces
1360          * that are active, but at least with debugfs it can also be
1361          * enabled on interfaces that aren't active. However, when
1362          * interface aren't active then they aren't added into the
1363          * binding, so this has no real impact. For now, just return
1364          * the current desired low-latency state.
1365          */
1366
1367         return mvmvif->low_latency;
1368 }
1369
1370 /* hw scheduler queue config */
1371 void iwl_mvm_enable_txq(struct iwl_mvm *mvm, int queue, u16 ssn,
1372                         const struct iwl_trans_txq_scd_cfg *cfg,
1373                         unsigned int wdg_timeout);
1374 void iwl_mvm_disable_txq(struct iwl_mvm *mvm, int queue, u8 flags);
1375
1376 static inline
1377 void iwl_mvm_enable_ac_txq(struct iwl_mvm *mvm, int queue,
1378                            u8 fifo, unsigned int wdg_timeout)
1379 {
1380         struct iwl_trans_txq_scd_cfg cfg = {
1381                 .fifo = fifo,
1382                 .tid = IWL_MAX_TID_COUNT,
1383                 .aggregate = false,
1384                 .frame_limit = IWL_FRAME_LIMIT,
1385         };
1386
1387         iwl_mvm_enable_txq(mvm, queue, 0, &cfg, wdg_timeout);
1388 }
1389
1390 static inline void iwl_mvm_enable_agg_txq(struct iwl_mvm *mvm, int queue,
1391                                           int fifo, int sta_id, int tid,
1392                                           int frame_limit, u16 ssn,
1393                                           unsigned int wdg_timeout)
1394 {
1395         struct iwl_trans_txq_scd_cfg cfg = {
1396                 .fifo = fifo,
1397                 .sta_id = sta_id,
1398                 .tid = tid,
1399                 .frame_limit = frame_limit,
1400                 .aggregate = true,
1401         };
1402
1403         iwl_mvm_enable_txq(mvm, queue, ssn, &cfg, wdg_timeout);
1404 }
1405
1406 /* Thermal management and CT-kill */
1407 void iwl_mvm_tt_tx_backoff(struct iwl_mvm *mvm, u32 backoff);
1408 void iwl_mvm_tt_temp_changed(struct iwl_mvm *mvm, u32 temp);
1409 int iwl_mvm_temp_notif(struct iwl_mvm *mvm,
1410                        struct iwl_rx_cmd_buffer *rxb,
1411                        struct iwl_device_cmd *cmd);
1412 void iwl_mvm_tt_handler(struct iwl_mvm *mvm);
1413 void iwl_mvm_tt_initialize(struct iwl_mvm *mvm, u32 min_backoff);
1414 void iwl_mvm_tt_exit(struct iwl_mvm *mvm);
1415 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state);
1416 int iwl_mvm_get_temp(struct iwl_mvm *mvm);
1417
1418 /* Location Aware Regulatory */
1419 struct iwl_mcc_update_resp *
1420 iwl_mvm_update_mcc(struct iwl_mvm *mvm, const char *alpha2,
1421                    enum iwl_mcc_source src_id);
1422 int iwl_mvm_init_mcc(struct iwl_mvm *mvm);
1423 int iwl_mvm_rx_chub_update_mcc(struct iwl_mvm *mvm,
1424                                struct iwl_rx_cmd_buffer *rxb,
1425                                struct iwl_device_cmd *cmd);
1426 struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy,
1427                                                   const char *alpha2,
1428                                                   enum iwl_mcc_source src_id,
1429                                                   bool *changed);
1430 struct ieee80211_regdomain *iwl_mvm_get_current_regdomain(struct iwl_mvm *mvm,
1431                                                           bool *changed);
1432 int iwl_mvm_init_fw_regd(struct iwl_mvm *mvm);
1433 void iwl_mvm_update_changed_regdom(struct iwl_mvm *mvm);
1434
1435 /* smart fifo */
1436 int iwl_mvm_sf_update(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1437                       bool added_vif);
1438
1439 /* TDLS */
1440
1441 /*
1442  * We use TID 4 (VI) as a FW-used-only TID when TDLS connections are present.
1443  * This TID is marked as used vs the AP and all connected TDLS peers.
1444  */
1445 #define IWL_MVM_TDLS_FW_TID 4
1446
1447 int iwl_mvm_tdls_sta_count(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1448 void iwl_mvm_teardown_tdls_peers(struct iwl_mvm *mvm);
1449 void iwl_mvm_recalc_tdls_state(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1450                                bool sta_added);
1451 void iwl_mvm_mac_mgd_protect_tdls_discover(struct ieee80211_hw *hw,
1452                                            struct ieee80211_vif *vif);
1453 int iwl_mvm_tdls_channel_switch(struct ieee80211_hw *hw,
1454                                 struct ieee80211_vif *vif,
1455                                 struct ieee80211_sta *sta, u8 oper_class,
1456                                 struct cfg80211_chan_def *chandef,
1457                                 struct sk_buff *tmpl_skb, u32 ch_sw_tm_ie);
1458 void iwl_mvm_tdls_recv_channel_switch(struct ieee80211_hw *hw,
1459                                       struct ieee80211_vif *vif,
1460                                       struct ieee80211_tdls_ch_sw_params *params);
1461 void iwl_mvm_tdls_cancel_channel_switch(struct ieee80211_hw *hw,
1462                                         struct ieee80211_vif *vif,
1463                                         struct ieee80211_sta *sta);
1464 int iwl_mvm_rx_tdls_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1465                           struct iwl_device_cmd *cmd);
1466 void iwl_mvm_tdls_ch_switch_work(struct work_struct *work);
1467
1468 struct ieee80211_vif *iwl_mvm_get_bss_vif(struct iwl_mvm *mvm);
1469
1470 void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error);
1471 void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm);
1472
1473 int iwl_mvm_start_fw_dbg_conf(struct iwl_mvm *mvm, u8 id);
1474 int iwl_mvm_fw_dbg_collect(struct iwl_mvm *mvm, enum iwl_fw_dbg_trigger trig,
1475                            const char *str, size_t len, unsigned int delay);
1476 int iwl_mvm_fw_dbg_collect_desc(struct iwl_mvm *mvm,
1477                                 struct iwl_mvm_dump_desc *desc,
1478                                 unsigned int delay);
1479 void iwl_mvm_free_fw_dump_desc(struct iwl_mvm *mvm);
1480 int iwl_mvm_fw_dbg_collect_trig(struct iwl_mvm *mvm,
1481                                 struct iwl_fw_dbg_trigger_tlv *trigger,
1482                                 const char *fmt, ...) __printf(3, 4);
1483 unsigned int iwl_mvm_get_wd_timeout(struct iwl_mvm *mvm,
1484                                     struct ieee80211_vif *vif,
1485                                     bool tdls, bool cmd_q);
1486 void iwl_mvm_connection_loss(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1487                              const char *errmsg);
1488 static inline bool
1489 iwl_fw_dbg_trigger_vif_match(struct iwl_fw_dbg_trigger_tlv *trig,
1490                              struct ieee80211_vif *vif)
1491 {
1492         u32 trig_vif = le32_to_cpu(trig->vif_type);
1493
1494         return trig_vif == IWL_FW_DBG_CONF_VIF_ANY || vif->type == trig_vif;
1495 }
1496
1497 static inline bool
1498 iwl_fw_dbg_trigger_stop_conf_match(struct iwl_mvm *mvm,
1499                                    struct iwl_fw_dbg_trigger_tlv *trig)
1500 {
1501         return ((trig->mode & IWL_FW_DBG_TRIGGER_STOP) &&
1502                 (mvm->fw_dbg_conf == FW_DBG_INVALID ||
1503                 (BIT(mvm->fw_dbg_conf) & le32_to_cpu(trig->stop_conf_ids))));
1504 }
1505
1506 static inline bool
1507 iwl_fw_dbg_trigger_check_stop(struct iwl_mvm *mvm,
1508                               struct ieee80211_vif *vif,
1509                               struct iwl_fw_dbg_trigger_tlv *trig)
1510 {
1511         if (vif && !iwl_fw_dbg_trigger_vif_match(trig, vif))
1512                 return false;
1513
1514         return iwl_fw_dbg_trigger_stop_conf_match(mvm, trig);
1515 }
1516
1517 static inline void
1518 iwl_fw_dbg_trigger_simple_stop(struct iwl_mvm *mvm,
1519                                struct ieee80211_vif *vif,
1520                                enum iwl_fw_dbg_trigger trig)
1521 {
1522         struct iwl_fw_dbg_trigger_tlv *trigger;
1523
1524         if (!iwl_fw_dbg_trigger_enabled(mvm->fw, trig))
1525                 return;
1526
1527         trigger = iwl_fw_dbg_get_trigger(mvm->fw, trig);
1528         if (!iwl_fw_dbg_trigger_check_stop(mvm, vif, trigger))
1529                 return;
1530
1531         iwl_mvm_fw_dbg_collect_trig(mvm, trigger, NULL);
1532 }
1533
1534 #endif /* __IWL_MVM_H__ */