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