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 "sta.h"
  79 #include "fw-api.h"
  80 #include "constants.h"
  81
  82 #define IWL_INVALID_MAC80211_QUEUE      0xff
  83 #define IWL_MVM_MAX_ADDRESSES           5
  84 /* RSSI offset for WkP */
  85 #define IWL_RSSI_OFFSET 50
  86 #define IWL_MVM_MISSED_BEACONS_THRESHOLD 8
  87 /* A TimeUnit is 1024 microsecond */
  88 #define MSEC_TO_TU(_msec)       (_msec*1000/1024)
  89
  90 /* For GO, this value represents the number of TUs before CSA "beacon
  91  * 0" TBTT when the CSA time-event needs to be scheduled to start.  It
  92  * must be big enough to ensure that we switch in time.
  93  */
  94 #define IWL_MVM_CHANNEL_SWITCH_TIME_GO          40
  95
  96 /* For client, this value represents the number of TUs before CSA
  97  * "beacon 1" TBTT, instead.  This is because we don't know when the
  98  * GO/AP will be in the new channel, so we switch early enough.
  99  */
 100 #define IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT      10
 101
 102 /*
 103  * This value (in TUs) is used to fine tune the CSA NoA end time which should
 104  * be just before "beacon 0" TBTT.
 105  */
 106 #define IWL_MVM_CHANNEL_SWITCH_MARGIN 4
 107
 108 /*
 109  * Number of beacons to transmit on a new channel until we unblock tx to
 110  * the stations, even if we didn't identify them on a new channel
 111  */
 112 #define IWL_MVM_CS_UNBLOCK_TX_TIMEOUT 3
 113
 114 extern const struct ieee80211_ops iwl_mvm_hw_ops;
 115
 116 /**
 117  * struct iwl_mvm_mod_params - module parameters for iwlmvm
 118  * @init_dbg: if true, then the NIC won't be stopped if the INIT fw asserted.
 119  *      We will register to mac80211 to have testmode working. The NIC must not
 120  *      be up'ed after the INIT fw asserted. This is useful to be able to use
 121  *      proprietary tools over testmode to debug the INIT fw.
 122  * @tfd_q_hang_detect: enabled the detection of hung transmit queues
 123  * @power_scheme: CAM(Continuous Active Mode)-1, BPS(Balanced Power
 124  *      Save)-2(default), LP(Low Power)-3
 125  */
 126 struct iwl_mvm_mod_params {
 127         bool init_dbg;
 128         bool tfd_q_hang_detect;
 129         int power_scheme;
 130 };
 131 extern struct iwl_mvm_mod_params iwlmvm_mod_params;
 132
 133 /**
 134  * struct iwl_mvm_dump_ptrs - set of pointers needed for the fw-error-dump
 135  *
 136  * @op_mode_ptr: pointer to the buffer coming from the mvm op_mode
 137  * @trans_ptr: pointer to struct %iwl_trans_dump_data which contains the
 138  *      transport's data.
 139  * @trans_len: length of the valid data in trans_ptr
 140  * @op_mode_len: length of the valid data in op_mode_ptr
 141  */
 142 struct iwl_mvm_dump_ptrs {
 143         struct iwl_trans_dump_data *trans_ptr;
 144         void *op_mode_ptr;
 145         u32 op_mode_len;
 146 };
 147
 148 struct iwl_mvm_phy_ctxt {
 149         u16 id;
 150         u16 color;
 151         u32 ref;
 152
 153         /*
 154          * TODO: This should probably be removed. Currently here only for rate
 155          * scaling algorithm
 156          */
 157         struct ieee80211_channel *channel;
 158 };
 159
 160 struct iwl_mvm_time_event_data {
 161         struct ieee80211_vif *vif;
 162         struct list_head list;
 163         unsigned long end_jiffies;
 164         u32 duration;
 165         bool running;
 166         u32 uid;
 167
 168         /*
 169          * The access to the 'id' field must be done when the
 170          * mvm->time_event_lock is held, as it value is used to indicate
 171          * if the te is in the time event list or not (when id == TE_MAX)
 172          */
 173         u32 id;
 174 };
 175
 176  /* Power management */
 177
 178 /**
 179  * enum iwl_power_scheme
 180  * @IWL_POWER_LEVEL_CAM - Continuously Active Mode
 181  * @IWL_POWER_LEVEL_BPS - Balanced Power Save (default)
 182  * @IWL_POWER_LEVEL_LP  - Low Power
 183  */
 184 enum iwl_power_scheme {
 185         IWL_POWER_SCHEME_CAM = 1,
 186         IWL_POWER_SCHEME_BPS,
 187         IWL_POWER_SCHEME_LP
 188 };
 189
 190 #define IWL_CONN_MAX_LISTEN_INTERVAL    10
 191 #define IWL_UAPSD_MAX_SP                IEEE80211_WMM_IE_STA_QOSINFO_SP_2
 192
 193 #ifdef CONFIG_IWLWIFI_DEBUGFS
 194 enum iwl_dbgfs_pm_mask {
 195         MVM_DEBUGFS_PM_KEEP_ALIVE = BIT(0),
 196         MVM_DEBUGFS_PM_SKIP_OVER_DTIM = BIT(1),
 197         MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS = BIT(2),
 198         MVM_DEBUGFS_PM_RX_DATA_TIMEOUT = BIT(3),
 199         MVM_DEBUGFS_PM_TX_DATA_TIMEOUT = BIT(4),
 200         MVM_DEBUGFS_PM_LPRX_ENA = BIT(6),
 201         MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD = BIT(7),
 202         MVM_DEBUGFS_PM_SNOOZE_ENABLE = BIT(8),
 203         MVM_DEBUGFS_PM_UAPSD_MISBEHAVING = BIT(9),
 204         MVM_DEBUGFS_PM_USE_PS_POLL = BIT(10),
 205 };
 206
 207 struct iwl_dbgfs_pm {
 208         u16 keep_alive_seconds;
 209         u32 rx_data_timeout;
 210         u32 tx_data_timeout;
 211         bool skip_over_dtim;
 212         u8 skip_dtim_periods;
 213         bool lprx_ena;
 214         u32 lprx_rssi_threshold;
 215         bool snooze_ena;
 216         bool uapsd_misbehaving;
 217         bool use_ps_poll;
 218         int mask;
 219 };
 220
 221 /* beacon filtering */
 222
 223 enum iwl_dbgfs_bf_mask {
 224         MVM_DEBUGFS_BF_ENERGY_DELTA = BIT(0),
 225         MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA = BIT(1),
 226         MVM_DEBUGFS_BF_ROAMING_STATE = BIT(2),
 227         MVM_DEBUGFS_BF_TEMP_THRESHOLD = BIT(3),
 228         MVM_DEBUGFS_BF_TEMP_FAST_FILTER = BIT(4),
 229         MVM_DEBUGFS_BF_TEMP_SLOW_FILTER = BIT(5),
 230         MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER = BIT(6),
 231         MVM_DEBUGFS_BF_DEBUG_FLAG = BIT(7),
 232         MVM_DEBUGFS_BF_ESCAPE_TIMER = BIT(8),
 233         MVM_DEBUGFS_BA_ESCAPE_TIMER = BIT(9),
 234         MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT = BIT(10),
 235 };
 236
 237 struct iwl_dbgfs_bf {
 238         u32 bf_energy_delta;
 239         u32 bf_roaming_energy_delta;
 240         u32 bf_roaming_state;
 241         u32 bf_temp_threshold;
 242         u32 bf_temp_fast_filter;
 243         u32 bf_temp_slow_filter;
 244         u32 bf_enable_beacon_filter;
 245         u32 bf_debug_flag;
 246         u32 bf_escape_timer;
 247         u32 ba_escape_timer;
 248         u32 ba_enable_beacon_abort;
 249         int mask;
 250 };
 251 #endif
 252
 253 enum iwl_mvm_smps_type_request {
 254         IWL_MVM_SMPS_REQ_BT_COEX,
 255         IWL_MVM_SMPS_REQ_TT,
 256         IWL_MVM_SMPS_REQ_PROT,
 257         NUM_IWL_MVM_SMPS_REQ,
 258 };
 259
 260 enum iwl_mvm_ref_type {
 261         IWL_MVM_REF_UCODE_DOWN,
 262         IWL_MVM_REF_SCAN,
 263         IWL_MVM_REF_ROC,
 264         IWL_MVM_REF_P2P_CLIENT,
 265         IWL_MVM_REF_AP_IBSS,
 266         IWL_MVM_REF_USER,
 267         IWL_MVM_REF_TX,
 268         IWL_MVM_REF_TX_AGG,
 269         IWL_MVM_REF_ADD_IF,
 270         IWL_MVM_REF_START_AP,
 271         IWL_MVM_REF_BSS_CHANGED,
 272         IWL_MVM_REF_PREPARE_TX,
 273         IWL_MVM_REF_PROTECT_TDLS,
 274         IWL_MVM_REF_CHECK_CTKILL,
 275         IWL_MVM_REF_PRPH_READ,
 276         IWL_MVM_REF_PRPH_WRITE,
 277         IWL_MVM_REF_NMI,
 278         IWL_MVM_REF_TM_CMD,
 279         IWL_MVM_REF_EXIT_WORK,
 280         IWL_MVM_REF_PROTECT_CSA,
 281         IWL_MVM_REF_FW_DBG_COLLECT,
 282
 283         /* update debugfs.c when changing this */
 284
 285         IWL_MVM_REF_COUNT,
 286 };
 287
 288 enum iwl_bt_force_ant_mode {
 289         BT_FORCE_ANT_DIS = 0,
 290         BT_FORCE_ANT_AUTO,
 291         BT_FORCE_ANT_BT,
 292         BT_FORCE_ANT_WIFI,
 293
 294         BT_FORCE_ANT_MAX,
 295 };
 296
 297 /**
 298 * struct iwl_mvm_vif_bf_data - beacon filtering related data
 299 * @bf_enabled: indicates if beacon filtering is enabled
 300 * @ba_enabled: indicated if beacon abort is enabled
 301 * @ave_beacon_signal: average beacon signal
 302 * @last_cqm_event: rssi of the last cqm event
 303 * @bt_coex_min_thold: minimum threshold for BT coex
 304 * @bt_coex_max_thold: maximum threshold for BT coex
 305 * @last_bt_coex_event: rssi of the last BT coex event
 306 */
 307 struct iwl_mvm_vif_bf_data {
 308         bool bf_enabled;
 309         bool ba_enabled;
 310         s8 ave_beacon_signal;
 311         s8 last_cqm_event;
 312         s8 bt_coex_min_thold;
 313         s8 bt_coex_max_thold;
 314         s8 last_bt_coex_event;
 315 };
 316
 317 /**
 318  * struct iwl_mvm_vif - data per Virtual Interface, it is a MAC context
 319  * @id: between 0 and 3
 320  * @color: to solve races upon MAC addition and removal
 321  * @ap_sta_id: the sta_id of the AP - valid only if VIF type is STA
 322  * @bssid: BSSID for this (client) interface
 323  * @associated: indicates that we're currently associated, used only for
 324  *      managing the firmware state in iwl_mvm_bss_info_changed_station()
 325  * @uploaded: indicates the MAC context has been added to the device
 326  * @ap_ibss_active: indicates that AP/IBSS is configured and that the interface
 327  *      should get quota etc.
 328  * @pm_enabled - Indicate if MAC power management is allowed
 329  * @monitor_active: indicates that monitor context is configured, and that the
 330  *      interface should get quota etc.
 331  * @low_latency: indicates that this interface is in low-latency mode
 332  *      (VMACLowLatencyMode)
 333  * @ps_disabled: indicates that this interface requires PS to be disabled
 334  * @queue_params: QoS params for this MAC
 335  * @bcast_sta: station used for broadcast packets. Used by the following
 336  *  vifs: P2P_DEVICE, GO and AP.
 337  * @beacon_skb: the skb used to hold the AP/GO beacon template
 338  * @smps_requests: the SMPS requests of differents parts of the driver,
 339  *      combined on update to yield the overall request to mac80211.
 340  */
 341 struct iwl_mvm_vif {
 342         u16 id;
 343         u16 color;
 344         u8 ap_sta_id;
 345
 346         u8 bssid[ETH_ALEN];
 347         bool associated;
 348
 349         bool uploaded;
 350         bool ap_ibss_active;
 351         bool pm_enabled;
 352         bool monitor_active;
 353         bool low_latency;
 354         bool ps_disabled;
 355         struct iwl_mvm_vif_bf_data bf_data;
 356
 357         u32 ap_beacon_time;
 358
 359         enum iwl_tsf_id tsf_id;
 360
 361         /*
 362          * QoS data from mac80211, need to store this here
 363          * as mac80211 has a separate callback but we need
 364          * to have the data for the MAC context
 365          */
 366         struct ieee80211_tx_queue_params queue_params[IEEE80211_NUM_ACS];
 367         struct iwl_mvm_time_event_data time_event_data;
 368         struct iwl_mvm_time_event_data hs_time_event_data;
 369
 370         struct iwl_mvm_int_sta bcast_sta;
 371
 372         /*
 373          * Assigned while mac80211 has the interface in a channel context,
 374          * or, for P2P Device, while it exists.
 375          */
 376         struct iwl_mvm_phy_ctxt *phy_ctxt;
 377
 378 #ifdef CONFIG_PM_SLEEP
 379         /* WoWLAN GTK rekey data */
 380         struct {
 381                 u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN];
 382                 __le64 replay_ctr;
 383                 bool valid;
 384         } rekey_data;
 385
 386         int tx_key_idx;
 387
 388         bool seqno_valid;
 389         u16 seqno;
 390 #endif
 391
 392 #if IS_ENABLED(CONFIG_IPV6)
 393         /* IPv6 addresses for WoWLAN */
 394         struct in6_addr target_ipv6_addrs[IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_MAX];
 395         int num_target_ipv6_addrs;
 396 #endif
 397
 398 #ifdef CONFIG_IWLWIFI_DEBUGFS
 399         struct iwl_mvm *mvm;
 400         struct dentry *dbgfs_dir;
 401         struct dentry *dbgfs_slink;
 402         struct iwl_dbgfs_pm dbgfs_pm;
 403         struct iwl_dbgfs_bf dbgfs_bf;
 404         struct iwl_mac_power_cmd mac_pwr_cmd;
 405 #endif
 406
 407         enum ieee80211_smps_mode smps_requests[NUM_IWL_MVM_SMPS_REQ];
 408
 409         /* FW identified misbehaving AP */
 410         u8 uapsd_misbehaving_bssid[ETH_ALEN];
 411
 412         /* Indicates that CSA countdown may be started */
 413         bool csa_countdown;
 414 };
 415
 416 static inline struct iwl_mvm_vif *
 417 iwl_mvm_vif_from_mac80211(struct ieee80211_vif *vif)
 418 {
 419         return (void *)vif->drv_priv;
 420 }
 421
 422 extern const u8 tid_to_mac80211_ac[];
 423
 424 enum iwl_scan_status {
 425         IWL_MVM_SCAN_NONE,
 426         IWL_MVM_SCAN_OS,
 427         IWL_MVM_SCAN_SCHED,
 428 };
 429
 430 /**
 431  * struct iwl_nvm_section - describes an NVM section in memory.
 432  *
 433  * This struct holds an NVM section read from the NIC using NVM_ACCESS_CMD,
 434  * and saved for later use by the driver. Not all NVM sections are saved
 435  * this way, only the needed ones.
 436  */
 437 struct iwl_nvm_section {
 438         u16 length;
 439         const u8 *data;
 440 };
 441
 442 /*
 443  * Tx-backoff threshold
 444  * @temperature: The threshold in Celsius
 445  * @backoff: The tx-backoff in uSec
 446  */
 447 struct iwl_tt_tx_backoff {
 448         s32 temperature;
 449         u32 backoff;
 450 };
 451
 452 #define TT_TX_BACKOFF_SIZE 6
 453
 454 /**
 455  * struct iwl_tt_params - thermal throttling parameters
 456  * @ct_kill_entry: CT Kill entry threshold
 457  * @ct_kill_exit: CT Kill exit threshold
 458  * @ct_kill_duration: The time  intervals (in uSec) in which the driver needs
 459  *      to checks whether to exit CT Kill.
 460  * @dynamic_smps_entry: Dynamic SMPS entry threshold
 461  * @dynamic_smps_exit: Dynamic SMPS exit threshold
 462  * @tx_protection_entry: TX protection entry threshold
 463  * @tx_protection_exit: TX protection exit threshold
 464  * @tx_backoff: Array of thresholds for tx-backoff , in ascending order.
 465  * @support_ct_kill: Support CT Kill?
 466  * @support_dynamic_smps: Support dynamic SMPS?
 467  * @support_tx_protection: Support tx protection?
 468  * @support_tx_backoff: Support tx-backoff?
 469  */
 470 struct iwl_tt_params {
 471         s32 ct_kill_entry;
 472         s32 ct_kill_exit;
 473         u32 ct_kill_duration;
 474         s32 dynamic_smps_entry;
 475         s32 dynamic_smps_exit;
 476         s32 tx_protection_entry;
 477         s32 tx_protection_exit;
 478         struct iwl_tt_tx_backoff tx_backoff[TT_TX_BACKOFF_SIZE];
 479         bool support_ct_kill;
 480         bool support_dynamic_smps;
 481         bool support_tx_protection;
 482         bool support_tx_backoff;
 483 };
 484
 485 /**
 486  * struct iwl_mvm_tt_mgnt - Thermal Throttling Management structure
 487  * @ct_kill_exit: worker to exit thermal kill
 488  * @dynamic_smps: Is thermal throttling enabled dynamic_smps?
 489  * @tx_backoff: The current thremal throttling tx backoff in uSec.
 490  * @min_backoff: The minimal tx backoff due to power restrictions
 491  * @params: Parameters to configure the thermal throttling algorithm.
 492  * @throttle: Is thermal throttling is active?
 493  */
 494 struct iwl_mvm_tt_mgmt {
 495         struct delayed_work ct_kill_exit;
 496         bool dynamic_smps;
 497         u32 tx_backoff;
 498         u32 min_backoff;
 499         const struct iwl_tt_params *params;
 500         bool throttle;
 501 };
 502
 503 #define IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES 8
 504
 505 struct iwl_mvm_frame_stats {
 506         u32 legacy_frames;
 507         u32 ht_frames;
 508         u32 vht_frames;
 509         u32 bw_20_frames;
 510         u32 bw_40_frames;
 511         u32 bw_80_frames;
 512         u32 bw_160_frames;
 513         u32 sgi_frames;
 514         u32 ngi_frames;
 515         u32 siso_frames;
 516         u32 mimo2_frames;
 517         u32 agg_frames;
 518         u32 ampdu_count;
 519         u32 success_frames;
 520         u32 fail_frames;
 521         u32 last_rates[IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES];
 522         int last_frame_idx;
 523 };
 524
 525 enum {
 526         D0I3_DEFER_WAKEUP,
 527         D0I3_PENDING_WAKEUP,
 528 };
 529
 530 #define IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE 0xff
 531 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MIN -100
 532 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MAX 200
 533
 534 enum iwl_mvm_tdls_cs_state {
 535         IWL_MVM_TDLS_SW_IDLE = 0,
 536         IWL_MVM_TDLS_SW_REQ_SENT,
 537         IWL_MVM_TDLS_SW_RESP_RCVD,
 538         IWL_MVM_TDLS_SW_REQ_RCVD,
 539         IWL_MVM_TDLS_SW_ACTIVE,
 540 };
 541
 542 struct iwl_mvm_shared_mem_cfg {
 543         u32 shared_mem_addr;
 544         u32 shared_mem_size;
 545         u32 sample_buff_addr;
 546         u32 sample_buff_size;
 547         u32 txfifo_addr;
 548         u32 txfifo_size[TX_FIFO_MAX_NUM];
 549         u32 rxfifo_size[RX_FIFO_MAX_NUM];
 550         u32 page_buff_addr;
 551         u32 page_buff_size;
 552 };
 553
 554 struct iwl_mvm {
 555         /* for logger access */
 556         struct device *dev;
 557
 558         struct iwl_trans *trans;
 559         const struct iwl_fw *fw;
 560         const struct iwl_cfg *cfg;
 561         struct iwl_phy_db *phy_db;
 562         struct ieee80211_hw *hw;
 563
 564         /* for protecting access to iwl_mvm */
 565         struct mutex mutex;
 566         struct list_head async_handlers_list;
 567         spinlock_t async_handlers_lock;
 568         struct work_struct async_handlers_wk;
 569
 570         struct work_struct roc_done_wk;
 571
 572         unsigned long status;
 573
 574         /*
 575          * for beacon filtering -
 576          * currently only one interface can be supported
 577          */
 578         struct iwl_mvm_vif *bf_allowed_vif;
 579
 580         enum iwl_ucode_type cur_ucode;
 581         bool ucode_loaded;
 582         bool init_ucode_complete;
 583         bool calibrating;
 584         u32 error_event_table;
 585         u32 log_event_table;
 586         u32 umac_error_event_table;
 587         bool support_umac_log;
 588         struct iwl_sf_region sf_space;
 589
 590         u32 ampdu_ref;
 591
 592         struct iwl_notif_wait_data notif_wait;
 593
 594         struct mvm_statistics_rx rx_stats;
 595
 596         struct {
 597                 u64 rx_time;
 598                 u64 tx_time;
 599                 u64 on_time_rf;
 600                 u64 on_time_scan;
 601         } radio_stats, accu_radio_stats;
 602
 603         u8 queue_to_mac80211[IWL_MAX_HW_QUEUES];
 604         atomic_t mac80211_queue_stop_count[IEEE80211_MAX_QUEUES];
 605
 606         const char *nvm_file_name;
 607         struct iwl_nvm_data *nvm_data;
 608         /* NVM sections */
 609         struct iwl_nvm_section nvm_sections[NVM_MAX_NUM_SECTIONS];
 610
 611         /* EEPROM MAC addresses */
 612         struct mac_address addresses[IWL_MVM_MAX_ADDRESSES];
 613
 614         /* data related to data path */
 615         struct iwl_rx_phy_info last_phy_info;
 616         struct ieee80211_sta __rcu *fw_id_to_mac_id[IWL_MVM_STATION_COUNT];
 617         struct work_struct sta_drained_wk;
 618         unsigned long sta_drained[BITS_TO_LONGS(IWL_MVM_STATION_COUNT)];
 619         atomic_t pending_frames[IWL_MVM_STATION_COUNT];
 620         u32 tfd_drained[IWL_MVM_STATION_COUNT];
 621         u8 rx_ba_sessions;
 622
 623         /* configured by mac80211 */
 624         u32 rts_threshold;
 625
 626         /* Scan status, cmd (pre-allocated) and auxiliary station */
 627         enum iwl_scan_status scan_status;
 628         void *scan_cmd;
 629         struct iwl_mcast_filter_cmd *mcast_filter_cmd;
 630
 631         /* UMAC scan tracking */
 632         u32 scan_uid[IWL_MVM_MAX_SIMULTANEOUS_SCANS];
 633         u8 scan_seq_num, sched_scan_seq_num;
 634
 635         /* rx chain antennas set through debugfs for the scan command */
 636         u8 scan_rx_ant;
 637
 638 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
 639         /* broadcast filters to configure for each associated station */
 640         const struct iwl_fw_bcast_filter *bcast_filters;
 641 #ifdef CONFIG_IWLWIFI_DEBUGFS
 642         struct {
 643                 u32 override; /* u32 for debugfs_create_bool */
 644                 struct iwl_bcast_filter_cmd cmd;
 645         } dbgfs_bcast_filtering;
 646 #endif
 647 #endif
 648
 649         /* Internal station */
 650         struct iwl_mvm_int_sta aux_sta;
 651
 652         bool last_ebs_successful;
 653
 654         u8 scan_last_antenna_idx; /* to toggle TX between antennas */
 655         u8 mgmt_last_antenna_idx;
 656
 657         /* last smart fifo state that was successfully sent to firmware */
 658         enum iwl_sf_state sf_state;
 659
 660 #ifdef CONFIG_IWLWIFI_DEBUGFS
 661         struct dentry *debugfs_dir;
 662         u32 dbgfs_sram_offset, dbgfs_sram_len;
 663         u32 dbgfs_prph_reg_addr;
 664         bool disable_power_off;
 665         bool disable_power_off_d3;
 666
 667         bool scan_iter_notif_enabled;
 668
 669         struct debugfs_blob_wrapper nvm_hw_blob;
 670         struct debugfs_blob_wrapper nvm_sw_blob;
 671         struct debugfs_blob_wrapper nvm_calib_blob;
 672         struct debugfs_blob_wrapper nvm_prod_blob;
 673
 674         struct iwl_mvm_frame_stats drv_rx_stats;
 675         spinlock_t drv_stats_lock;
 676 #endif
 677
 678         struct iwl_mvm_phy_ctxt phy_ctxts[NUM_PHY_CTX];
 679
 680         struct list_head time_event_list;
 681         spinlock_t time_event_lock;
 682
 683         /*
 684          * A bitmap indicating the index of the key in use. The firmware
 685          * can hold 16 keys at most. Reflect this fact.
 686          */
 687         unsigned long fw_key_table[BITS_TO_LONGS(STA_KEY_MAX_NUM)];
 688
 689         /* references taken by the driver and spinlock protecting them */
 690         spinlock_t refs_lock;
 691         u8 refs[IWL_MVM_REF_COUNT];
 692
 693         u8 vif_count;
 694
 695         /* -1 for always, 0 for never, >0 for that many times */
 696         s8 restart_fw;
 697         struct work_struct fw_error_dump_wk;
 698         enum iwl_fw_dbg_conf fw_dbg_conf;
 699
 700 #ifdef CONFIG_IWLWIFI_LEDS
 701         struct led_classdev led;
 702 #endif
 703
 704         struct ieee80211_vif *p2p_device_vif;
 705
 706 #ifdef CONFIG_PM_SLEEP
 707         struct wiphy_wowlan_support wowlan;
 708         int gtk_ivlen, gtk_icvlen, ptk_ivlen, ptk_icvlen;
 709
 710         /* sched scan settings for net detect */
 711         struct cfg80211_sched_scan_request *nd_config;
 712         struct ieee80211_scan_ies nd_ies;
 713         struct cfg80211_match_set *nd_match_sets;
 714         int n_nd_match_sets;
 715         struct ieee80211_channel **nd_channels;
 716         int n_nd_channels;
 717         bool net_detect;
 718 #ifdef CONFIG_IWLWIFI_DEBUGFS
 719         u32 d3_wake_sysassert; /* must be u32 for debugfs_create_bool */
 720         bool d3_test_active;
 721         bool store_d3_resume_sram;
 722         void *d3_resume_sram;
 723         u32 d3_test_pme_ptr;
 724         struct ieee80211_vif *keep_vif;
 725 #endif
 726 #endif
 727
 728         /* d0i3 */
 729         u8 d0i3_ap_sta_id;
 730         bool d0i3_offloading;
 731         struct work_struct d0i3_exit_work;
 732         struct sk_buff_head d0i3_tx;
 733         /* protect d0i3_suspend_flags */
 734         struct mutex d0i3_suspend_mutex;
 735         unsigned long d0i3_suspend_flags;
 736         /* sync d0i3_tx queue and IWL_MVM_STATUS_IN_D0I3 status flag */
 737         spinlock_t d0i3_tx_lock;
 738         wait_queue_head_t d0i3_exit_waitq;
 739
 740         /* BT-Coex */
 741         u8 bt_ack_kill_msk[NUM_PHY_CTX];
 742         u8 bt_cts_kill_msk[NUM_PHY_CTX];
 743
 744         struct iwl_bt_coex_profile_notif_old last_bt_notif_old;
 745         struct iwl_bt_coex_ci_cmd_old last_bt_ci_cmd_old;
 746         struct iwl_bt_coex_profile_notif last_bt_notif;
 747         struct iwl_bt_coex_ci_cmd last_bt_ci_cmd;
 748
 749         u32 last_ant_isol;
 750         u8 last_corun_lut;
 751         u8 bt_tx_prio;
 752         enum iwl_bt_force_ant_mode bt_force_ant_mode;
 753
 754         /* Aux ROC */
 755         struct list_head aux_roc_te_list;
 756
 757         /* Thermal Throttling and CTkill */
 758         struct iwl_mvm_tt_mgmt thermal_throttle;
 759         s32 temperature;        /* Celsius */
 760         /*
 761          * Debug option to set the NIC temperature. This option makes the
 762          * driver think this is the actual NIC temperature, and ignore the
 763          * real temperature that is received from the fw
 764          */
 765         bool temperature_test;  /* Debug test temperature is enabled */
 766
 767         struct iwl_time_quota_cmd last_quota_cmd;
 768
 769 #ifdef CONFIG_NL80211_TESTMODE
 770         u32 noa_duration;
 771         struct ieee80211_vif *noa_vif;
 772 #endif
 773
 774         /* Tx queues */
 775         u8 aux_queue;
 776         u8 first_agg_queue;
 777         u8 last_agg_queue;
 778
 779         /* Indicate if device power save is allowed */
 780         u8 ps_disabled; /* u8 instead of bool to ease debugfs_create_* usage */
 781
 782         struct ieee80211_vif __rcu *csa_vif;
 783         struct ieee80211_vif __rcu *csa_tx_blocked_vif;
 784         u8 csa_tx_block_bcn_timeout;
 785
 786         /* system time of last beacon (for AP/GO interface) */
 787         u32 ap_last_beacon_gp2;
 788
 789         u8 low_latency_agg_frame_limit;
 790
 791         /* TDLS channel switch data */
 792         struct {
 793                 struct delayed_work dwork;
 794                 enum iwl_mvm_tdls_cs_state state;
 795
 796                 /*
 797                  * Current cs sta - might be different from periodic cs peer
 798                  * station. Value is meaningless when the cs-state is idle.
 799                  */
 800                 u8 cur_sta_id;
 801
 802                 /* TDLS periodic channel-switch peer */
 803                 struct {
 804                         u8 sta_id;
 805                         u8 op_class;
 806                         bool initiator; /* are we the link initiator */
 807                         struct cfg80211_chan_def chandef;
 808                         struct sk_buff *skb; /* ch sw template */
 809                         u32 ch_sw_tm_ie;
 810
 811                         /* timestamp of last ch-sw request sent (GP2 time) */
 812                         u32 sent_timestamp;
 813                 } peer;
 814         } tdls_cs;
 815
 816         struct iwl_mvm_shared_mem_cfg shared_mem_cfg;
 817 };
 818
 819 /* Extract MVM priv from op_mode and _hw */
 820 #define IWL_OP_MODE_GET_MVM(_iwl_op_mode)               \
 821         ((struct iwl_mvm *)(_iwl_op_mode)->op_mode_specific)
 822
 823 #define IWL_MAC80211_GET_MVM(_hw)                       \
 824         IWL_OP_MODE_GET_MVM((struct iwl_op_mode *)((_hw)->priv))
 825
 826 enum iwl_mvm_status {
 827         IWL_MVM_STATUS_HW_RFKILL,
 828         IWL_MVM_STATUS_HW_CTKILL,
 829         IWL_MVM_STATUS_ROC_RUNNING,
 830         IWL_MVM_STATUS_IN_HW_RESTART,
 831         IWL_MVM_STATUS_IN_D0I3,
 832         IWL_MVM_STATUS_ROC_AUX_RUNNING,
 833         IWL_MVM_STATUS_D3_RECONFIG,
 834 };
 835
 836 static inline bool iwl_mvm_is_radio_killed(struct iwl_mvm *mvm)
 837 {
 838         return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status) ||
 839                test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
 840 }
 841
 842 /* Must be called with rcu_read_lock() held and it can only be
 843  * released when mvmsta is not needed anymore.
 844  */
 845 static inline struct iwl_mvm_sta *
 846 iwl_mvm_sta_from_staid_rcu(struct iwl_mvm *mvm, u8 sta_id)
 847 {
 848         struct ieee80211_sta *sta;
 849
 850         if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
 851                 return NULL;
 852
 853         sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
 854
 855         /* This can happen if the station has been removed right now */
 856         if (IS_ERR_OR_NULL(sta))
 857                 return NULL;
 858
 859         return iwl_mvm_sta_from_mac80211(sta);
 860 }
 861
 862 static inline struct iwl_mvm_sta *
 863 iwl_mvm_sta_from_staid_protected(struct iwl_mvm *mvm, u8 sta_id)
 864 {
 865         struct ieee80211_sta *sta;
 866
 867         if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
 868                 return NULL;
 869
 870         sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id],
 871                                         lockdep_is_held(&mvm->mutex));
 872
 873         /* This can happen if the station has been removed right now */
 874         if (IS_ERR_OR_NULL(sta))
 875                 return NULL;
 876
 877         return iwl_mvm_sta_from_mac80211(sta);
 878 }
 879
 880 static inline bool iwl_mvm_is_d0i3_supported(struct iwl_mvm *mvm)
 881 {
 882         return mvm->trans->cfg->d0i3 &&
 883                mvm->trans->d0i3_mode != IWL_D0I3_MODE_OFF &&
 884                !iwlwifi_mod_params.d0i3_disable &&
 885                (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_D0I3_SUPPORT);
 886 }
 887
 888 static inline bool iwl_mvm_is_scd_cfg_supported(struct iwl_mvm *mvm)
 889 {
 890         return mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_SCD_CFG;
 891 }
 892
 893 extern const u8 iwl_mvm_ac_to_tx_fifo[];
 894
 895 struct iwl_rate_info {
 896         u8 plcp;        /* uCode API:  IWL_RATE_6M_PLCP, etc. */
 897         u8 plcp_siso;   /* uCode API:  IWL_RATE_SISO_6M_PLCP, etc. */
 898         u8 plcp_mimo2;  /* uCode API:  IWL_RATE_MIMO2_6M_PLCP, etc. */
 899         u8 plcp_mimo3;  /* uCode API:  IWL_RATE_MIMO3_6M_PLCP, etc. */
 900         u8 ieee;        /* MAC header:  IWL_RATE_6M_IEEE, etc. */
 901 };
 902
 903 void __iwl_mvm_mac_stop(struct iwl_mvm *mvm);
 904 int __iwl_mvm_mac_start(struct iwl_mvm *mvm);
 905
 906 /******************
 907  * MVM Methods
 908  ******************/
 909 /* uCode */
 910 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm);
 911
 912 /* Utils */
 913 int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags,
 914                                         enum ieee80211_band band);
 915 void iwl_mvm_hwrate_to_tx_rate(u32 rate_n_flags,
 916                                enum ieee80211_band band,
 917                                struct ieee80211_tx_rate *r);
 918 u8 iwl_mvm_mac80211_idx_to_hwrate(int rate_idx);
 919 void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm);
 920 u8 first_antenna(u8 mask);
 921 u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx);
 922
 923 /* Tx / Host Commands */
 924 int __must_check iwl_mvm_send_cmd(struct iwl_mvm *mvm,
 925                                   struct iwl_host_cmd *cmd);
 926 int __must_check iwl_mvm_send_cmd_pdu(struct iwl_mvm *mvm, u8 id,
 927                                       u32 flags, u16 len, const void *data);
 928 int __must_check iwl_mvm_send_cmd_status(struct iwl_mvm *mvm,
 929                                          struct iwl_host_cmd *cmd,
 930                                          u32 *status);
 931 int __must_check iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u8 id,
 932                                              u16 len, const void *data,
 933                                              u32 *status);
 934 int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb,
 935                    struct ieee80211_sta *sta);
 936 int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb);
 937 void iwl_mvm_set_tx_cmd(struct iwl_mvm *mvm, struct sk_buff *skb,
 938                         struct iwl_tx_cmd *tx_cmd,
 939                         struct ieee80211_tx_info *info, u8 sta_id);
 940 void iwl_mvm_set_tx_cmd_crypto(struct iwl_mvm *mvm,
 941                                struct ieee80211_tx_info *info,
 942                                struct iwl_tx_cmd *tx_cmd,
 943                                struct sk_buff *skb_frag);
 944 void iwl_mvm_set_tx_cmd_rate(struct iwl_mvm *mvm, struct iwl_tx_cmd *tx_cmd,
 945                             struct ieee80211_tx_info *info,
 946                             struct ieee80211_sta *sta, __le16 fc);
 947 #ifdef CONFIG_IWLWIFI_DEBUG
 948 const char *iwl_mvm_get_tx_fail_reason(u32 status);
 949 #else
 950 static inline const char *iwl_mvm_get_tx_fail_reason(u32 status) { return ""; }
 951 #endif
 952 int iwl_mvm_flush_tx_path(struct iwl_mvm *mvm, u32 tfd_msk, bool sync);
 953 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm);
 954
 955 static inline void iwl_mvm_wait_for_async_handlers(struct iwl_mvm *mvm)
 956 {
 957         flush_work(&mvm->async_handlers_wk);
 958 }
 959
 960 /* Statistics */
 961 void iwl_mvm_handle_rx_statistics(struct iwl_mvm *mvm,
 962                                   struct iwl_rx_packet *pkt);
 963 int iwl_mvm_rx_statistics(struct iwl_mvm *mvm,
 964                           struct iwl_rx_cmd_buffer *rxb,
 965                           struct iwl_device_cmd *cmd);
 966 int iwl_mvm_request_statistics(struct iwl_mvm *mvm);
 967 void iwl_mvm_accu_radio_stats(struct iwl_mvm *mvm);
 968
 969 /* NVM */
 970 int iwl_nvm_init(struct iwl_mvm *mvm, bool read_nvm_from_nic);
 971 int iwl_mvm_load_nvm_to_nic(struct iwl_mvm *mvm);
 972
 973 static inline u8 iwl_mvm_get_valid_tx_ant(struct iwl_mvm *mvm)
 974 {
 975         return mvm->nvm_data && mvm->nvm_data->valid_tx_ant ?
 976                mvm->fw->valid_tx_ant & mvm->nvm_data->valid_tx_ant :
 977                mvm->fw->valid_tx_ant;
 978 }
 979
 980 static inline u8 iwl_mvm_get_valid_rx_ant(struct iwl_mvm *mvm)
 981 {
 982         return mvm->nvm_data && mvm->nvm_data->valid_rx_ant ?
 983                mvm->fw->valid_rx_ant & mvm->nvm_data->valid_rx_ant :
 984                mvm->fw->valid_rx_ant;
 985 }
 986
 987 static inline u32 iwl_mvm_get_phy_config(struct iwl_mvm *mvm)
 988 {
 989         u32 phy_config = ~(FW_PHY_CFG_TX_CHAIN |
 990                            FW_PHY_CFG_RX_CHAIN);
 991         u32 valid_rx_ant = iwl_mvm_get_valid_rx_ant(mvm);
 992         u32 valid_tx_ant = iwl_mvm_get_valid_tx_ant(mvm);
 993
 994         phy_config |= valid_tx_ant << FW_PHY_CFG_TX_CHAIN_POS |
 995                       valid_rx_ant << FW_PHY_CFG_RX_CHAIN_POS;
 996
 997         return mvm->fw->phy_config & phy_config;
 998 }
 999
1000 int iwl_mvm_up(struct iwl_mvm *mvm);
1001 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm);
1002
1003 int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm);
1004 bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm,
1005                                     struct iwl_bcast_filter_cmd *cmd);
1006
1007 /*
1008  * FW notifications / CMD responses handlers
1009  * Convention: iwl_mvm_rx_<NAME OF THE CMD>
1010  */
1011 int iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1012                           struct iwl_device_cmd *cmd);
1013 int iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1014                        struct iwl_device_cmd *cmd);
1015 int iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1016                       struct iwl_device_cmd *cmd);
1017 int iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1018                         struct iwl_device_cmd *cmd);
1019 int iwl_mvm_rx_radio_ver(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1020                          struct iwl_device_cmd *cmd);
1021 int iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm,
1022                                   struct iwl_rx_cmd_buffer *rxb,
1023                                   struct iwl_device_cmd *cmd);
1024 int iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1025                           struct iwl_device_cmd *cmd);
1026 int iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
1027                                 struct iwl_rx_cmd_buffer *rxb,
1028                                 struct iwl_device_cmd *cmd);
1029 int iwl_mvm_rx_radio_ver(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1030                          struct iwl_device_cmd *cmd);
1031 int iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1032                             struct iwl_device_cmd *cmd);
1033 int iwl_mvm_rx_shared_mem_cfg_notif(struct iwl_mvm *mvm,
1034                                     struct iwl_rx_cmd_buffer *rxb,
1035                                     struct iwl_device_cmd *cmd);
1036
1037 /* MVM PHY */
1038 int iwl_mvm_phy_ctxt_add(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
1039                          struct cfg80211_chan_def *chandef,
1040                          u8 chains_static, u8 chains_dynamic);
1041 int iwl_mvm_phy_ctxt_changed(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
1042                              struct cfg80211_chan_def *chandef,
1043                              u8 chains_static, u8 chains_dynamic);
1044 void iwl_mvm_phy_ctxt_ref(struct iwl_mvm *mvm,
1045                           struct iwl_mvm_phy_ctxt *ctxt);
1046 void iwl_mvm_phy_ctxt_unref(struct iwl_mvm *mvm,
1047                             struct iwl_mvm_phy_ctxt *ctxt);
1048 int iwl_mvm_phy_ctx_count(struct iwl_mvm *mvm);
1049 u8 iwl_mvm_get_channel_width(struct cfg80211_chan_def *chandef);
1050 u8 iwl_mvm_get_ctrl_pos(struct cfg80211_chan_def *chandef);
1051
1052 /* MAC (virtual interface) programming */
1053 int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1054 void iwl_mvm_mac_ctxt_release(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1055 int iwl_mvm_mac_ctxt_add(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1056 int iwl_mvm_mac_ctxt_changed(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1057                              bool force_assoc_off, const u8 *bssid_override);
1058 int iwl_mvm_mac_ctxt_remove(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1059 u32 iwl_mvm_mac_get_queues_mask(struct ieee80211_vif *vif);
1060 int iwl_mvm_mac_ctxt_beacon_changed(struct iwl_mvm *mvm,
1061                                     struct ieee80211_vif *vif);
1062 int iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm,
1063                             struct iwl_rx_cmd_buffer *rxb,
1064                             struct iwl_device_cmd *cmd);
1065 int iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm,
1066                                     struct iwl_rx_cmd_buffer *rxb,
1067                                     struct iwl_device_cmd *cmd);
1068 void iwl_mvm_mac_ctxt_recalc_tsf_id(struct iwl_mvm *mvm,
1069                                     struct ieee80211_vif *vif);
1070 unsigned long iwl_mvm_get_used_hw_queues(struct iwl_mvm *mvm,
1071                                          struct ieee80211_vif *exclude_vif);
1072
1073 /* Bindings */
1074 int iwl_mvm_binding_add_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1075 int iwl_mvm_binding_remove_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1076
1077 /* Quota management */
1078 int iwl_mvm_update_quotas(struct iwl_mvm *mvm,
1079                           struct ieee80211_vif *disabled_vif);
1080
1081 /* Scanning */
1082 int iwl_mvm_scan_size(struct iwl_mvm *mvm);
1083 int iwl_mvm_scan_request(struct iwl_mvm *mvm,
1084                          struct ieee80211_vif *vif,
1085                          struct cfg80211_scan_request *req);
1086 int iwl_mvm_rx_scan_response(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1087                              struct iwl_device_cmd *cmd);
1088 int iwl_mvm_rx_scan_complete(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1089                              struct iwl_device_cmd *cmd);
1090 int iwl_mvm_cancel_scan(struct iwl_mvm *mvm);
1091 int iwl_mvm_max_scan_ie_len(struct iwl_mvm *mvm, bool is_sched_scan);
1092
1093 /* Scheduled scan */
1094 int iwl_mvm_rx_scan_offload_complete_notif(struct iwl_mvm *mvm,
1095                                            struct iwl_rx_cmd_buffer *rxb,
1096                                            struct iwl_device_cmd *cmd);
1097 int iwl_mvm_rx_scan_offload_iter_complete_notif(struct iwl_mvm *mvm,
1098                                                 struct iwl_rx_cmd_buffer *rxb,
1099                                                 struct iwl_device_cmd *cmd);
1100 int iwl_mvm_config_sched_scan(struct iwl_mvm *mvm,
1101                               struct ieee80211_vif *vif,
1102                               struct cfg80211_sched_scan_request *req,
1103                               struct ieee80211_scan_ies *ies);
1104 int iwl_mvm_config_sched_scan_profiles(struct iwl_mvm *mvm,
1105                                        struct cfg80211_sched_scan_request *req);
1106 int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm,
1107                              struct cfg80211_sched_scan_request *req);
1108 int iwl_mvm_scan_offload_start(struct iwl_mvm *mvm,
1109                                struct ieee80211_vif *vif,
1110                                struct cfg80211_sched_scan_request *req,
1111                                struct ieee80211_scan_ies *ies);
1112 int iwl_mvm_scan_offload_stop(struct iwl_mvm *mvm, bool notify);
1113 int iwl_mvm_rx_scan_offload_results(struct iwl_mvm *mvm,
1114                                     struct iwl_rx_cmd_buffer *rxb,
1115                                     struct iwl_device_cmd *cmd);
1116
1117 /* Unified scan */
1118 int iwl_mvm_unified_scan_lmac(struct iwl_mvm *mvm,
1119                               struct ieee80211_vif *vif,
1120                               struct ieee80211_scan_request *req);
1121 int iwl_mvm_unified_sched_scan_lmac(struct iwl_mvm *mvm,
1122                                     struct ieee80211_vif *vif,
1123                                     struct cfg80211_sched_scan_request *req,
1124                                     struct ieee80211_scan_ies *ies);
1125
1126 /* UMAC scan */
1127 int iwl_mvm_config_scan(struct iwl_mvm *mvm);
1128 int iwl_mvm_scan_umac(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1129                       struct ieee80211_scan_request *req);
1130 int iwl_mvm_sched_scan_umac(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1131                             struct cfg80211_sched_scan_request *req,
1132                             struct ieee80211_scan_ies *ies);
1133 int iwl_mvm_rx_umac_scan_complete_notif(struct iwl_mvm *mvm,
1134                                         struct iwl_rx_cmd_buffer *rxb,
1135                                         struct iwl_device_cmd *cmd);
1136
1137 /* MVM debugfs */
1138 #ifdef CONFIG_IWLWIFI_DEBUGFS
1139 int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir);
1140 void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1141 void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1142 #else
1143 static inline int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm,
1144                                          struct dentry *dbgfs_dir)
1145 {
1146         return 0;
1147 }
1148 static inline void
1149 iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1150 {
1151 }
1152 static inline void
1153 iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1154 {
1155 }
1156 #endif /* CONFIG_IWLWIFI_DEBUGFS */
1157
1158 /* rate scaling */
1159 int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool init);
1160 void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm, u32 rate, bool agg);
1161 int rs_pretty_print_rate(char *buf, const u32 rate);
1162 void rs_update_last_rssi(struct iwl_mvm *mvm,
1163                          struct iwl_lq_sta *lq_sta,
1164                          struct ieee80211_rx_status *rx_status);
1165
1166 /* power management */
1167 int iwl_mvm_power_update_device(struct iwl_mvm *mvm);
1168 int iwl_mvm_power_update_mac(struct iwl_mvm *mvm);
1169 int iwl_mvm_power_update_ps(struct iwl_mvm *mvm);
1170 int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1171                                  char *buf, int bufsz);
1172
1173 void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1174 int iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm,
1175                                              struct iwl_rx_cmd_buffer *rxb,
1176                                              struct iwl_device_cmd *cmd);
1177
1178 #ifdef CONFIG_IWLWIFI_LEDS
1179 int iwl_mvm_leds_init(struct iwl_mvm *mvm);
1180 void iwl_mvm_leds_exit(struct iwl_mvm *mvm);
1181 #else
1182 static inline int iwl_mvm_leds_init(struct iwl_mvm *mvm)
1183 {
1184         return 0;
1185 }
1186 static inline void iwl_mvm_leds_exit(struct iwl_mvm *mvm)
1187 {
1188 }
1189 #endif
1190
1191 /* D3 (WoWLAN, NetDetect) */
1192 int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan);
1193 int iwl_mvm_resume(struct ieee80211_hw *hw);
1194 void iwl_mvm_set_wakeup(struct ieee80211_hw *hw, bool enabled);
1195 void iwl_mvm_set_rekey_data(struct ieee80211_hw *hw,
1196                             struct ieee80211_vif *vif,
1197                             struct cfg80211_gtk_rekey_data *data);
1198 void iwl_mvm_ipv6_addr_change(struct ieee80211_hw *hw,
1199                               struct ieee80211_vif *vif,
1200                               struct inet6_dev *idev);
1201 void iwl_mvm_set_default_unicast_key(struct ieee80211_hw *hw,
1202                                      struct ieee80211_vif *vif, int idx);
1203 extern const struct file_operations iwl_dbgfs_d3_test_ops;
1204 #ifdef CONFIG_PM_SLEEP
1205 void iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm,
1206                                  struct ieee80211_vif *vif);
1207 #else
1208 static inline void
1209 iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1210 {
1211 }
1212 #endif
1213 void iwl_mvm_set_wowlan_qos_seq(struct iwl_mvm_sta *mvm_ap_sta,
1214                                 struct iwl_wowlan_config_cmd *cmd);
1215 int iwl_mvm_send_proto_offload(struct iwl_mvm *mvm,
1216                                struct ieee80211_vif *vif,
1217                                bool disable_offloading,
1218                                u32 cmd_flags);
1219
1220 /* D0i3 */
1221 void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1222 void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1223 int iwl_mvm_ref_sync(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1224 bool iwl_mvm_ref_taken(struct iwl_mvm *mvm);
1225 void iwl_mvm_d0i3_enable_tx(struct iwl_mvm *mvm, __le16 *qos_seq);
1226 int iwl_mvm_enter_d0i3(struct iwl_op_mode *op_mode);
1227 int iwl_mvm_exit_d0i3(struct iwl_op_mode *op_mode);
1228 int _iwl_mvm_exit_d0i3(struct iwl_mvm *mvm);
1229
1230 /* BT Coex */
1231 int iwl_send_bt_init_conf(struct iwl_mvm *mvm);
1232 int iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm,
1233                              struct iwl_rx_cmd_buffer *rxb,
1234                              struct iwl_device_cmd *cmd);
1235 void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1236                            enum ieee80211_rssi_event rssi_event);
1237 void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm);
1238 u16 iwl_mvm_coex_agg_time_limit(struct iwl_mvm *mvm,
1239                                 struct ieee80211_sta *sta);
1240 bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm,
1241                                      struct ieee80211_sta *sta);
1242 bool iwl_mvm_bt_coex_is_ant_avail(struct iwl_mvm *mvm, u8 ant);
1243 bool iwl_mvm_bt_coex_is_shared_ant_avail(struct iwl_mvm *mvm);
1244 bool iwl_mvm_bt_coex_is_tpc_allowed(struct iwl_mvm *mvm,
1245                                     enum ieee80211_band band);
1246 u8 iwl_mvm_bt_coex_tx_prio(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr,
1247                            struct ieee80211_tx_info *info, u8 ac);
1248
1249 bool iwl_mvm_bt_coex_is_shared_ant_avail_old(struct iwl_mvm *mvm);
1250 void iwl_mvm_bt_coex_vif_change_old(struct iwl_mvm *mvm);
1251 int iwl_send_bt_init_conf_old(struct iwl_mvm *mvm);
1252 int iwl_mvm_rx_bt_coex_notif_old(struct iwl_mvm *mvm,
1253                                  struct iwl_rx_cmd_buffer *rxb,
1254                                  struct iwl_device_cmd *cmd);
1255 void iwl_mvm_bt_rssi_event_old(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1256                                enum ieee80211_rssi_event rssi_event);
1257 u16 iwl_mvm_coex_agg_time_limit_old(struct iwl_mvm *mvm,
1258                                     struct ieee80211_sta *sta);
1259 bool iwl_mvm_bt_coex_is_mimo_allowed_old(struct iwl_mvm *mvm,
1260                                          struct ieee80211_sta *sta);
1261 bool iwl_mvm_bt_coex_is_tpc_allowed_old(struct iwl_mvm *mvm,
1262                                         enum ieee80211_band band);
1263 int iwl_mvm_rx_ant_coupling_notif_old(struct iwl_mvm *mvm,
1264                                       struct iwl_rx_cmd_buffer *rxb,
1265                                       struct iwl_device_cmd *cmd);
1266
1267 enum iwl_bt_kill_msk {
1268         BT_KILL_MSK_DEFAULT,
1269         BT_KILL_MSK_NEVER,
1270         BT_KILL_MSK_ALWAYS,
1271         BT_KILL_MSK_MAX,
1272 };
1273
1274 extern const u8 iwl_bt_ack_kill_msk[BT_MAX_AG][BT_COEX_MAX_LUT];
1275 extern const u8 iwl_bt_cts_kill_msk[BT_MAX_AG][BT_COEX_MAX_LUT];
1276 extern const u32 iwl_bt_ctl_kill_msk[BT_KILL_MSK_MAX];
1277
1278 /* beacon filtering */
1279 #ifdef CONFIG_IWLWIFI_DEBUGFS
1280 void
1281 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1282                                          struct iwl_beacon_filter_cmd *cmd);
1283 #else
1284 static inline void
1285 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1286                                          struct iwl_beacon_filter_cmd *cmd)
1287 {}
1288 #endif
1289 int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm,
1290                                    struct ieee80211_vif *vif,
1291                                    bool enable, u32 flags);
1292 int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
1293                                  struct ieee80211_vif *vif,
1294                                  u32 flags);
1295 int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
1296                                   struct ieee80211_vif *vif,
1297                                   u32 flags);
1298 /* SMPS */
1299 void iwl_mvm_update_smps(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1300                                 enum iwl_mvm_smps_type_request req_type,
1301                                 enum ieee80211_smps_mode smps_request);
1302 bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm *mvm);
1303
1304 /* Low latency */
1305 int iwl_mvm_update_low_latency(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1306                                bool value);
1307 /* get SystemLowLatencyMode - only needed for beacon threshold? */
1308 bool iwl_mvm_low_latency(struct iwl_mvm *mvm);
1309 /* get VMACLowLatencyMode */
1310 static inline bool iwl_mvm_vif_low_latency(struct iwl_mvm_vif *mvmvif)
1311 {
1312         /*
1313          * should this consider associated/active/... state?
1314          *
1315          * Normally low-latency should only be active on interfaces
1316          * that are active, but at least with debugfs it can also be
1317          * enabled on interfaces that aren't active. However, when
1318          * interface aren't active then they aren't added into the
1319          * binding, so this has no real impact. For now, just return
1320          * the current desired low-latency state.
1321          */
1322
1323         return mvmvif->low_latency;
1324 }
1325
1326 /* hw scheduler queue config */
1327 void iwl_mvm_enable_txq(struct iwl_mvm *mvm, int queue, u16 ssn,
1328                         const struct iwl_trans_txq_scd_cfg *cfg,
1329                         unsigned int wdg_timeout);
1330 void iwl_mvm_disable_txq(struct iwl_mvm *mvm, int queue, u8 flags);
1331
1332 static inline
1333 void iwl_mvm_enable_ac_txq(struct iwl_mvm *mvm, int queue,
1334                            u8 fifo, unsigned int wdg_timeout)
1335 {
1336         struct iwl_trans_txq_scd_cfg cfg = {
1337                 .fifo = fifo,
1338                 .tid = IWL_MAX_TID_COUNT,
1339                 .aggregate = false,
1340                 .frame_limit = IWL_FRAME_LIMIT,
1341         };
1342
1343         iwl_mvm_enable_txq(mvm, queue, 0, &cfg, wdg_timeout);
1344 }
1345
1346 static inline void iwl_mvm_enable_agg_txq(struct iwl_mvm *mvm, int queue,
1347                                           int fifo, int sta_id, int tid,
1348                                           int frame_limit, u16 ssn,
1349                                           unsigned int wdg_timeout)
1350 {
1351         struct iwl_trans_txq_scd_cfg cfg = {
1352                 .fifo = fifo,
1353                 .sta_id = sta_id,
1354                 .tid = tid,
1355                 .frame_limit = frame_limit,
1356                 .aggregate = true,
1357         };
1358
1359         iwl_mvm_enable_txq(mvm, queue, ssn, &cfg, wdg_timeout);
1360 }
1361
1362 /* Assoc status */
1363 bool iwl_mvm_is_idle(struct iwl_mvm *mvm);
1364
1365 /* Thermal management and CT-kill */
1366 void iwl_mvm_tt_tx_backoff(struct iwl_mvm *mvm, u32 backoff);
1367 void iwl_mvm_tt_temp_changed(struct iwl_mvm *mvm, u32 temp);
1368 int iwl_mvm_temp_notif(struct iwl_mvm *mvm,
1369                        struct iwl_rx_cmd_buffer *rxb,
1370                        struct iwl_device_cmd *cmd);
1371 void iwl_mvm_tt_handler(struct iwl_mvm *mvm);
1372 void iwl_mvm_tt_initialize(struct iwl_mvm *mvm, u32 min_backoff);
1373 void iwl_mvm_tt_exit(struct iwl_mvm *mvm);
1374 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state);
1375 int iwl_mvm_get_temp(struct iwl_mvm *mvm);
1376
1377 /* smart fifo */
1378 int iwl_mvm_sf_update(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1379                       bool added_vif);
1380
1381 /* TDLS */
1382
1383 /*
1384  * We use TID 4 (VI) as a FW-used-only TID when TDLS connections are present.
1385  * This TID is marked as used vs the AP and all connected TDLS peers.
1386  */
1387 #define IWL_MVM_TDLS_FW_TID 4
1388
1389 int iwl_mvm_tdls_sta_count(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1390 void iwl_mvm_teardown_tdls_peers(struct iwl_mvm *mvm);
1391 void iwl_mvm_recalc_tdls_state(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1392                                bool sta_added);
1393 void iwl_mvm_mac_mgd_protect_tdls_discover(struct ieee80211_hw *hw,
1394                                            struct ieee80211_vif *vif);
1395 int iwl_mvm_tdls_channel_switch(struct ieee80211_hw *hw,
1396                                 struct ieee80211_vif *vif,
1397                                 struct ieee80211_sta *sta, u8 oper_class,
1398                                 struct cfg80211_chan_def *chandef,
1399                                 struct sk_buff *tmpl_skb, u32 ch_sw_tm_ie);
1400 void iwl_mvm_tdls_recv_channel_switch(struct ieee80211_hw *hw,
1401                                       struct ieee80211_vif *vif,
1402                                       struct ieee80211_tdls_ch_sw_params *params);
1403 void iwl_mvm_tdls_cancel_channel_switch(struct ieee80211_hw *hw,
1404                                         struct ieee80211_vif *vif,
1405                                         struct ieee80211_sta *sta);
1406 int iwl_mvm_rx_tdls_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1407                           struct iwl_device_cmd *cmd);
1408 void iwl_mvm_tdls_ch_switch_work(struct work_struct *work);
1409
1410 struct ieee80211_vif *iwl_mvm_get_bss_vif(struct iwl_mvm *mvm);
1411
1412 void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error);
1413 void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm);
1414
1415 int iwl_mvm_start_fw_dbg_conf(struct iwl_mvm *mvm, enum iwl_fw_dbg_conf id);
1416 void iwl_mvm_fw_dbg_collect(struct iwl_mvm *mvm);
1417
1418 #endif /* __IWL_MVM_H__ */