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