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: one of enum iwl_power_scheme
 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         int ave_beacon_signal;
 327         int last_cqm_event;
 328         int bt_coex_min_thold;
 329         int bt_coex_max_thold;
 330         int 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  * @ap_assoc_sta_count: count of stations associated to us - valid only
 342  *      if VIF type is AP
 343  * @uploaded: indicates the MAC context has been added to the device
 344  * @ap_ibss_active: indicates that AP/IBSS is configured and that the interface
 345  *      should get quota etc.
 346  * @pm_enabled - Indicate if MAC power management is allowed
 347  * @monitor_active: indicates that monitor context is configured, and that the
 348  *      interface should get quota etc.
 349  * @low_latency: indicates that this interface is in low-latency mode
 350  *      (VMACLowLatencyMode)
 351  * @ps_disabled: indicates that this interface requires PS to be disabled
 352  * @queue_params: QoS params for this MAC
 353  * @bcast_sta: station used for broadcast packets. Used by the following
 354  *  vifs: P2P_DEVICE, GO and AP.
 355  * @beacon_skb: the skb used to hold the AP/GO beacon template
 356  * @smps_requests: the SMPS requests of different parts of the driver,
 357  *      combined on update to yield the overall request to mac80211.
 358  * @beacon_stats: beacon statistics, containing the # of received beacons,
 359  *      # of received beacons accumulated over FW restart, and the current
 360  *      average signal of beacons retrieved from the firmware
 361  * @csa_failed: CSA failed to schedule time event, report an error later
 362  * @features: hw features active for this vif
 363  */
 364 struct iwl_mvm_vif {
 365         struct iwl_mvm *mvm;
 366         u16 id;
 367         u16 color;
 368         u8 ap_sta_id;
 369
 370         u8 bssid[ETH_ALEN];
 371         bool associated;
 372         u8 ap_assoc_sta_count;
 373
 374         bool uploaded;
 375         bool ap_ibss_active;
 376         bool pm_enabled;
 377         bool monitor_active;
 378         bool low_latency;
 379         bool ps_disabled;
 380         struct iwl_mvm_vif_bf_data bf_data;
 381
 382         struct {
 383                 u32 num_beacons, accu_num_beacons;
 384                 u8 avg_signal;
 385         } beacon_stats;
 386
 387         u32 ap_beacon_time;
 388
 389         enum iwl_tsf_id tsf_id;
 390
 391         /*
 392          * QoS data from mac80211, need to store this here
 393          * as mac80211 has a separate callback but we need
 394          * to have the data for the MAC context
 395          */
 396         struct ieee80211_tx_queue_params queue_params[IEEE80211_NUM_ACS];
 397         struct iwl_mvm_time_event_data time_event_data;
 398         struct iwl_mvm_time_event_data hs_time_event_data;
 399
 400         struct iwl_mvm_int_sta bcast_sta;
 401
 402         /*
 403          * Assigned while mac80211 has the interface in a channel context,
 404          * or, for P2P Device, while it exists.
 405          */
 406         struct iwl_mvm_phy_ctxt *phy_ctxt;
 407
 408 #ifdef CONFIG_PM_SLEEP
 409         /* WoWLAN GTK rekey data */
 410         struct {
 411                 u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN];
 412                 __le64 replay_ctr;
 413                 bool valid;
 414         } rekey_data;
 415
 416         int tx_key_idx;
 417
 418         bool seqno_valid;
 419         u16 seqno;
 420 #endif
 421
 422 #if IS_ENABLED(CONFIG_IPV6)
 423         /* IPv6 addresses for WoWLAN */
 424         struct in6_addr target_ipv6_addrs[IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_MAX];
 425         int num_target_ipv6_addrs;
 426 #endif
 427
 428 #ifdef CONFIG_IWLWIFI_DEBUGFS
 429         struct dentry *dbgfs_dir;
 430         struct dentry *dbgfs_slink;
 431         struct iwl_dbgfs_pm dbgfs_pm;
 432         struct iwl_dbgfs_bf dbgfs_bf;
 433         struct iwl_mac_power_cmd mac_pwr_cmd;
 434 #endif
 435
 436         enum ieee80211_smps_mode smps_requests[NUM_IWL_MVM_SMPS_REQ];
 437
 438         /* FW identified misbehaving AP */
 439         u8 uapsd_misbehaving_bssid[ETH_ALEN];
 440
 441         /* Indicates that CSA countdown may be started */
 442         bool csa_countdown;
 443         bool csa_failed;
 444
 445         /* TCP Checksum Offload */
 446         netdev_features_t features;
 447 };
 448
 449 static inline struct iwl_mvm_vif *
 450 iwl_mvm_vif_from_mac80211(struct ieee80211_vif *vif)
 451 {
 452         return (void *)vif->drv_priv;
 453 }
 454
 455 extern const u8 tid_to_mac80211_ac[];
 456
 457 #define IWL_MVM_SCAN_STOPPING_SHIFT     8
 458
 459 enum iwl_scan_status {
 460         IWL_MVM_SCAN_REGULAR            = BIT(0),
 461         IWL_MVM_SCAN_SCHED              = BIT(1),
 462         IWL_MVM_SCAN_NETDETECT          = BIT(2),
 463
 464         IWL_MVM_SCAN_STOPPING_REGULAR   = BIT(8),
 465         IWL_MVM_SCAN_STOPPING_SCHED     = BIT(9),
 466         IWL_MVM_SCAN_STOPPING_NETDETECT = BIT(10),
 467
 468         IWL_MVM_SCAN_REGULAR_MASK       = IWL_MVM_SCAN_REGULAR |
 469                                           IWL_MVM_SCAN_STOPPING_REGULAR,
 470         IWL_MVM_SCAN_SCHED_MASK         = IWL_MVM_SCAN_SCHED |
 471                                           IWL_MVM_SCAN_STOPPING_SCHED,
 472         IWL_MVM_SCAN_NETDETECT_MASK     = IWL_MVM_SCAN_NETDETECT |
 473                                           IWL_MVM_SCAN_STOPPING_NETDETECT,
 474
 475         IWL_MVM_SCAN_STOPPING_MASK      = 0xff << IWL_MVM_SCAN_STOPPING_SHIFT,
 476         IWL_MVM_SCAN_MASK               = 0xff,
 477 };
 478
 479 /**
 480  * struct iwl_nvm_section - describes an NVM section in memory.
 481  *
 482  * This struct holds an NVM section read from the NIC using NVM_ACCESS_CMD,
 483  * and saved for later use by the driver. Not all NVM sections are saved
 484  * this way, only the needed ones.
 485  */
 486 struct iwl_nvm_section {
 487         u16 length;
 488         const u8 *data;
 489 };
 490
 491 /**
 492  * struct iwl_mvm_tt_mgnt - Thermal Throttling Management structure
 493  * @ct_kill_exit: worker to exit thermal kill
 494  * @dynamic_smps: Is thermal throttling enabled dynamic_smps?
 495  * @tx_backoff: The current thremal throttling tx backoff in uSec.
 496  * @min_backoff: The minimal tx backoff due to power restrictions
 497  * @params: Parameters to configure the thermal throttling algorithm.
 498  * @throttle: Is thermal throttling is active?
 499  */
 500 struct iwl_mvm_tt_mgmt {
 501         struct delayed_work ct_kill_exit;
 502         bool dynamic_smps;
 503         u32 tx_backoff;
 504         u32 min_backoff;
 505         struct iwl_tt_params params;
 506         bool throttle;
 507 };
 508
 509 #define IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES 8
 510
 511 struct iwl_mvm_frame_stats {
 512         u32 legacy_frames;
 513         u32 ht_frames;
 514         u32 vht_frames;
 515         u32 bw_20_frames;
 516         u32 bw_40_frames;
 517         u32 bw_80_frames;
 518         u32 bw_160_frames;
 519         u32 sgi_frames;
 520         u32 ngi_frames;
 521         u32 siso_frames;
 522         u32 mimo2_frames;
 523         u32 agg_frames;
 524         u32 ampdu_count;
 525         u32 success_frames;
 526         u32 fail_frames;
 527         u32 last_rates[IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES];
 528         int last_frame_idx;
 529 };
 530
 531 enum {
 532         D0I3_DEFER_WAKEUP,
 533         D0I3_PENDING_WAKEUP,
 534 };
 535
 536 #define IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE 0xff
 537 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MIN -100
 538 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MAX 200
 539
 540 enum iwl_mvm_tdls_cs_state {
 541         IWL_MVM_TDLS_SW_IDLE = 0,
 542         IWL_MVM_TDLS_SW_REQ_SENT,
 543         IWL_MVM_TDLS_SW_RESP_RCVD,
 544         IWL_MVM_TDLS_SW_REQ_RCVD,
 545         IWL_MVM_TDLS_SW_ACTIVE,
 546 };
 547
 548 struct iwl_mvm_shared_mem_cfg {
 549         u32 shared_mem_addr;
 550         u32 shared_mem_size;
 551         u32 sample_buff_addr;
 552         u32 sample_buff_size;
 553         u32 txfifo_addr;
 554         u32 txfifo_size[TX_FIFO_MAX_NUM];
 555         u32 rxfifo_size[RX_FIFO_MAX_NUM];
 556         u32 page_buff_addr;
 557         u32 page_buff_size;
 558 };
 559
 560 struct iwl_mvm {
 561         /* for logger access */
 562         struct device *dev;
 563
 564         struct iwl_trans *trans;
 565         const struct iwl_fw *fw;
 566         const struct iwl_cfg *cfg;
 567         struct iwl_phy_db *phy_db;
 568         struct ieee80211_hw *hw;
 569
 570         /* for protecting access to iwl_mvm */
 571         struct mutex mutex;
 572         struct list_head async_handlers_list;
 573         spinlock_t async_handlers_lock;
 574         struct work_struct async_handlers_wk;
 575
 576         struct work_struct roc_done_wk;
 577
 578         unsigned long status;
 579
 580         /*
 581          * for beacon filtering -
 582          * currently only one interface can be supported
 583          */
 584         struct iwl_mvm_vif *bf_allowed_vif;
 585
 586         enum iwl_ucode_type cur_ucode;
 587         bool ucode_loaded;
 588         bool calibrating;
 589         u32 error_event_table;
 590         u32 log_event_table;
 591         u32 umac_error_event_table;
 592         bool support_umac_log;
 593         struct iwl_sf_region sf_space;
 594
 595         u32 ampdu_ref;
 596
 597         struct iwl_notif_wait_data notif_wait;
 598
 599         struct mvm_statistics_rx rx_stats;
 600
 601         struct {
 602                 u64 rx_time;
 603                 u64 tx_time;
 604                 u64 on_time_rf;
 605                 u64 on_time_scan;
 606         } radio_stats, accu_radio_stats;
 607
 608         u8 queue_to_mac80211[IWL_MAX_HW_QUEUES];
 609         atomic_t mac80211_queue_stop_count[IEEE80211_MAX_QUEUES];
 610
 611         const char *nvm_file_name;
 612         struct iwl_nvm_data *nvm_data;
 613         /* NVM sections */
 614         struct iwl_nvm_section nvm_sections[NVM_MAX_NUM_SECTIONS];
 615
 616         /* Paging section */
 617         struct iwl_fw_paging fw_paging_db[NUM_OF_FW_PAGING_BLOCKS];
 618         u16 num_of_paging_blk;
 619         u16 num_of_pages_in_last_blk;
 620
 621         /* EEPROM MAC addresses */
 622         struct mac_address addresses[IWL_MVM_MAX_ADDRESSES];
 623
 624         /* data related to data path */
 625         struct iwl_rx_phy_info last_phy_info;
 626         struct ieee80211_sta __rcu *fw_id_to_mac_id[IWL_MVM_STATION_COUNT];
 627         struct work_struct sta_drained_wk;
 628         unsigned long sta_drained[BITS_TO_LONGS(IWL_MVM_STATION_COUNT)];
 629         atomic_t pending_frames[IWL_MVM_STATION_COUNT];
 630         u32 tfd_drained[IWL_MVM_STATION_COUNT];
 631         u8 rx_ba_sessions;
 632
 633         /* configured by mac80211 */
 634         u32 rts_threshold;
 635
 636         /* Scan status, cmd (pre-allocated) and auxiliary station */
 637         unsigned int scan_status;
 638         void *scan_cmd;
 639         struct iwl_mcast_filter_cmd *mcast_filter_cmd;
 640
 641         /* max number of simultaneous scans the FW supports */
 642         unsigned int max_scans;
 643
 644         /* UMAC scan tracking */
 645         u32 scan_uid_status[IWL_MVM_MAX_UMAC_SCANS];
 646
 647         /* rx chain antennas set through debugfs for the scan command */
 648         u8 scan_rx_ant;
 649
 650 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
 651         /* broadcast filters to configure for each associated station */
 652         const struct iwl_fw_bcast_filter *bcast_filters;
 653 #ifdef CONFIG_IWLWIFI_DEBUGFS
 654         struct {
 655                 u32 override; /* u32 for debugfs_create_bool */
 656                 struct iwl_bcast_filter_cmd cmd;
 657         } dbgfs_bcast_filtering;
 658 #endif
 659 #endif
 660
 661         /* Internal station */
 662         struct iwl_mvm_int_sta aux_sta;
 663
 664         bool last_ebs_successful;
 665
 666         u8 scan_last_antenna_idx; /* to toggle TX between antennas */
 667         u8 mgmt_last_antenna_idx;
 668
 669         /* last smart fifo state that was successfully sent to firmware */
 670         enum iwl_sf_state sf_state;
 671
 672 #ifdef CONFIG_IWLWIFI_DEBUGFS
 673         struct dentry *debugfs_dir;
 674         u32 dbgfs_sram_offset, dbgfs_sram_len;
 675         u32 dbgfs_prph_reg_addr;
 676         bool disable_power_off;
 677         bool disable_power_off_d3;
 678
 679         u32 scan_iter_notif_enabled; /* must be u32 for debugfs_create_bool */
 680
 681         struct debugfs_blob_wrapper nvm_hw_blob;
 682         struct debugfs_blob_wrapper nvm_sw_blob;
 683         struct debugfs_blob_wrapper nvm_calib_blob;
 684         struct debugfs_blob_wrapper nvm_prod_blob;
 685
 686         struct iwl_mvm_frame_stats drv_rx_stats;
 687         spinlock_t drv_stats_lock;
 688         u16 dbgfs_rx_phyinfo;
 689 #endif
 690
 691         struct iwl_mvm_phy_ctxt phy_ctxts[NUM_PHY_CTX];
 692
 693         struct list_head time_event_list;
 694         spinlock_t time_event_lock;
 695
 696         /*
 697          * A bitmap indicating the index of the key in use. The firmware
 698          * can hold 16 keys at most. Reflect this fact.
 699          */
 700         unsigned long fw_key_table[BITS_TO_LONGS(STA_KEY_MAX_NUM)];
 701         u8 fw_key_deleted[STA_KEY_MAX_NUM];
 702
 703         /* references taken by the driver and spinlock protecting them */
 704         spinlock_t refs_lock;
 705         u8 refs[IWL_MVM_REF_COUNT];
 706
 707         u8 vif_count;
 708
 709         /* -1 for always, 0 for never, >0 for that many times */
 710         s8 restart_fw;
 711         u8 fw_dbg_conf;
 712         struct delayed_work fw_dump_wk;
 713         struct iwl_mvm_dump_desc *fw_dump_desc;
 714         struct iwl_fw_dbg_trigger_tlv *fw_dump_trig;
 715
 716 #ifdef CONFIG_IWLWIFI_LEDS
 717         struct led_classdev led;
 718 #endif
 719
 720         struct ieee80211_vif *p2p_device_vif;
 721
 722 #ifdef CONFIG_PM_SLEEP
 723         struct wiphy_wowlan_support wowlan;
 724         int gtk_ivlen, gtk_icvlen, ptk_ivlen, ptk_icvlen;
 725
 726         /* sched scan settings for net detect */
 727         struct cfg80211_sched_scan_request *nd_config;
 728         struct ieee80211_scan_ies nd_ies;
 729         struct cfg80211_match_set *nd_match_sets;
 730         int n_nd_match_sets;
 731         struct ieee80211_channel **nd_channels;
 732         int n_nd_channels;
 733         bool net_detect;
 734 #ifdef CONFIG_IWLWIFI_DEBUGFS
 735         u32 d3_wake_sysassert; /* must be u32 for debugfs_create_bool */
 736         bool d3_test_active;
 737         bool store_d3_resume_sram;
 738         void *d3_resume_sram;
 739         u32 d3_test_pme_ptr;
 740         struct ieee80211_vif *keep_vif;
 741         u32 last_netdetect_scans; /* no. of scans in the last net-detect wake */
 742 #endif
 743 #endif
 744
 745         /* d0i3 */
 746         u8 d0i3_ap_sta_id;
 747         bool d0i3_offloading;
 748         struct work_struct d0i3_exit_work;
 749         struct sk_buff_head d0i3_tx;
 750         /* protect d0i3_suspend_flags */
 751         struct mutex d0i3_suspend_mutex;
 752         unsigned long d0i3_suspend_flags;
 753         /* sync d0i3_tx queue and IWL_MVM_STATUS_IN_D0I3 status flag */
 754         spinlock_t d0i3_tx_lock;
 755         wait_queue_head_t d0i3_exit_waitq;
 756
 757         /* BT-Coex */
 758         u8 bt_ack_kill_msk[NUM_PHY_CTX];
 759         u8 bt_cts_kill_msk[NUM_PHY_CTX];
 760
 761         struct iwl_bt_coex_profile_notif_old last_bt_notif_old;
 762         struct iwl_bt_coex_ci_cmd_old last_bt_ci_cmd_old;
 763         struct iwl_bt_coex_profile_notif last_bt_notif;
 764         struct iwl_bt_coex_ci_cmd last_bt_ci_cmd;
 765
 766         u32 last_ant_isol;
 767         u8 last_corun_lut;
 768         u8 bt_tx_prio;
 769         enum iwl_bt_force_ant_mode bt_force_ant_mode;
 770
 771         /* Aux ROC */
 772         struct list_head aux_roc_te_list;
 773
 774         /* Thermal Throttling and CTkill */
 775         struct iwl_mvm_tt_mgmt thermal_throttle;
 776         s32 temperature;        /* Celsius */
 777         /*
 778          * Debug option to set the NIC temperature. This option makes the
 779          * driver think this is the actual NIC temperature, and ignore the
 780          * real temperature that is received from the fw
 781          */
 782         bool temperature_test;  /* Debug test temperature is enabled */
 783
 784         struct iwl_time_quota_cmd last_quota_cmd;
 785
 786 #ifdef CONFIG_NL80211_TESTMODE
 787         u32 noa_duration;
 788         struct ieee80211_vif *noa_vif;
 789 #endif
 790
 791         /* Tx queues */
 792         u8 aux_queue;
 793         u8 first_agg_queue;
 794         u8 last_agg_queue;
 795
 796         /* Indicate if device power save is allowed */
 797         u8 ps_disabled; /* u8 instead of bool to ease debugfs_create_* usage */
 798
 799         struct ieee80211_vif __rcu *csa_vif;
 800         struct ieee80211_vif __rcu *csa_tx_blocked_vif;
 801         u8 csa_tx_block_bcn_timeout;
 802
 803         /* system time of last beacon (for AP/GO interface) */
 804         u32 ap_last_beacon_gp2;
 805
 806         bool lar_regdom_set;
 807         enum iwl_mcc_source mcc_src;
 808
 809         u8 low_latency_agg_frame_limit;
 810
 811         /* TDLS channel switch data */
 812         struct {
 813                 struct delayed_work dwork;
 814                 enum iwl_mvm_tdls_cs_state state;
 815
 816                 /*
 817                  * Current cs sta - might be different from periodic cs peer
 818                  * station. Value is meaningless when the cs-state is idle.
 819                  */
 820                 u8 cur_sta_id;
 821
 822                 /* TDLS periodic channel-switch peer */
 823                 struct {
 824                         u8 sta_id;
 825                         u8 op_class;
 826                         bool initiator; /* are we the link initiator */
 827                         struct cfg80211_chan_def chandef;
 828                         struct sk_buff *skb; /* ch sw template */
 829                         u32 ch_sw_tm_ie;
 830
 831                         /* timestamp of last ch-sw request sent (GP2 time) */
 832                         u32 sent_timestamp;
 833                 } peer;
 834         } tdls_cs;
 835
 836         struct iwl_mvm_shared_mem_cfg shared_mem_cfg;
 837
 838         u32 ciphers[6];
 839         struct iwl_mvm_tof_data tof_data;
 840 };
 841
 842 /* Extract MVM priv from op_mode and _hw */
 843 #define IWL_OP_MODE_GET_MVM(_iwl_op_mode)               \
 844         ((struct iwl_mvm *)(_iwl_op_mode)->op_mode_specific)
 845
 846 #define IWL_MAC80211_GET_MVM(_hw)                       \
 847         IWL_OP_MODE_GET_MVM((struct iwl_op_mode *)((_hw)->priv))
 848
 849 enum iwl_mvm_status {
 850         IWL_MVM_STATUS_HW_RFKILL,
 851         IWL_MVM_STATUS_HW_CTKILL,
 852         IWL_MVM_STATUS_ROC_RUNNING,
 853         IWL_MVM_STATUS_IN_HW_RESTART,
 854         IWL_MVM_STATUS_IN_D0I3,
 855         IWL_MVM_STATUS_ROC_AUX_RUNNING,
 856         IWL_MVM_STATUS_D3_RECONFIG,
 857         IWL_MVM_STATUS_DUMPING_FW_LOG,
 858 };
 859
 860 static inline bool iwl_mvm_is_radio_killed(struct iwl_mvm *mvm)
 861 {
 862         return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status) ||
 863                test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
 864 }
 865
 866 /* Must be called with rcu_read_lock() held and it can only be
 867  * released when mvmsta is not needed anymore.
 868  */
 869 static inline struct iwl_mvm_sta *
 870 iwl_mvm_sta_from_staid_rcu(struct iwl_mvm *mvm, u8 sta_id)
 871 {
 872         struct ieee80211_sta *sta;
 873
 874         if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
 875                 return NULL;
 876
 877         sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
 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 struct iwl_mvm_sta *
 887 iwl_mvm_sta_from_staid_protected(struct iwl_mvm *mvm, u8 sta_id)
 888 {
 889         struct ieee80211_sta *sta;
 890
 891         if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
 892                 return NULL;
 893
 894         sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id],
 895                                         lockdep_is_held(&mvm->mutex));
 896
 897         /* This can happen if the station has been removed right now */
 898         if (IS_ERR_OR_NULL(sta))
 899                 return NULL;
 900
 901         return iwl_mvm_sta_from_mac80211(sta);
 902 }
 903
 904 static inline bool iwl_mvm_is_d0i3_supported(struct iwl_mvm *mvm)
 905 {
 906         return mvm->trans->cfg->d0i3 &&
 907                mvm->trans->d0i3_mode != IWL_D0I3_MODE_OFF &&
 908                !iwlwifi_mod_params.d0i3_disable &&
 909                fw_has_capa(&mvm->fw->ucode_capa,
 910                            IWL_UCODE_TLV_CAPA_D0I3_SUPPORT);
 911 }
 912
 913 static inline bool iwl_mvm_is_lar_supported(struct iwl_mvm *mvm)
 914 {
 915         bool nvm_lar = mvm->nvm_data->lar_enabled;
 916         bool tlv_lar = fw_has_capa(&mvm->fw->ucode_capa,
 917                                    IWL_UCODE_TLV_CAPA_LAR_SUPPORT);
 918
 919         if (iwlwifi_mod_params.lar_disable)
 920                 return false;
 921
 922         /*
 923          * Enable LAR only if it is supported by the FW (TLV) &&
 924          * enabled in the NVM
 925          */
 926         if (mvm->cfg->device_family == IWL_DEVICE_FAMILY_8000)
 927                 return nvm_lar && tlv_lar;
 928         else
 929                 return tlv_lar;
 930 }
 931
 932 static inline bool iwl_mvm_is_wifi_mcc_supported(struct iwl_mvm *mvm)
 933 {
 934         return fw_has_api(&mvm->fw->ucode_capa,
 935                           IWL_UCODE_TLV_API_WIFI_MCC_UPDATE) ||
 936                fw_has_capa(&mvm->fw->ucode_capa,
 937                            IWL_UCODE_TLV_CAPA_LAR_MULTI_MCC);
 938 }
 939
 940 static inline bool iwl_mvm_is_scd_cfg_supported(struct iwl_mvm *mvm)
 941 {
 942         return fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_SCD_CFG);
 943 }
 944
 945 static inline bool iwl_mvm_bt_is_plcr_supported(struct iwl_mvm *mvm)
 946 {
 947         return fw_has_capa(&mvm->fw->ucode_capa,
 948                            IWL_UCODE_TLV_CAPA_BT_COEX_PLCR) &&
 949                 IWL_MVM_BT_COEX_CORUNNING;
 950 }
 951
 952 static inline bool iwl_mvm_bt_is_rrc_supported(struct iwl_mvm *mvm)
 953 {
 954         return fw_has_capa(&mvm->fw->ucode_capa,
 955                            IWL_UCODE_TLV_CAPA_BT_COEX_RRC) &&
 956                 IWL_MVM_BT_COEX_RRC;
 957 }
 958
 959 static inline bool iwl_mvm_is_csum_supported(struct iwl_mvm *mvm)
 960 {
 961         return fw_has_capa(&mvm->fw->ucode_capa,
 962                            IWL_UCODE_TLV_CAPA_CSUM_SUPPORT);
 963 }
 964
 965 extern const u8 iwl_mvm_ac_to_tx_fifo[];
 966
 967 struct iwl_rate_info {
 968         u8 plcp;        /* uCode API:  IWL_RATE_6M_PLCP, etc. */
 969         u8 plcp_siso;   /* uCode API:  IWL_RATE_SISO_6M_PLCP, etc. */
 970         u8 plcp_mimo2;  /* uCode API:  IWL_RATE_MIMO2_6M_PLCP, etc. */
 971         u8 plcp_mimo3;  /* uCode API:  IWL_RATE_MIMO3_6M_PLCP, etc. */
 972         u8 ieee;        /* MAC header:  IWL_RATE_6M_IEEE, etc. */
 973 };
 974
 975 void __iwl_mvm_mac_stop(struct iwl_mvm *mvm);
 976 int __iwl_mvm_mac_start(struct iwl_mvm *mvm);
 977
 978 /******************
 979  * MVM Methods
 980  ******************/
 981 /* uCode */
 982 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm);
 983
 984 /* Utils */
 985 int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags,
 986                                         enum ieee80211_band band);
 987 void iwl_mvm_hwrate_to_tx_rate(u32 rate_n_flags,
 988                                enum ieee80211_band band,
 989                                struct ieee80211_tx_rate *r);
 990 u8 iwl_mvm_mac80211_idx_to_hwrate(int rate_idx);
 991 void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm);
 992 u8 first_antenna(u8 mask);
 993 u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx);
 994
 995 /* Tx / Host Commands */
 996 int __must_check iwl_mvm_send_cmd(struct iwl_mvm *mvm,
 997                                   struct iwl_host_cmd *cmd);
 998 int __must_check iwl_mvm_send_cmd_pdu(struct iwl_mvm *mvm, u32 id,
 999                                       u32 flags, u16 len, const void *data);
1000 int __must_check iwl_mvm_send_cmd_status(struct iwl_mvm *mvm,
1001                                          struct iwl_host_cmd *cmd,
1002                                          u32 *status);
1003 int __must_check iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u32 id,
1004                                              u16 len, const void *data,
1005                                              u32 *status);
1006 int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb,
1007                    struct ieee80211_sta *sta);
1008 int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb);
1009 void iwl_mvm_set_tx_cmd(struct iwl_mvm *mvm, struct sk_buff *skb,
1010                         struct iwl_tx_cmd *tx_cmd,
1011                         struct ieee80211_tx_info *info, u8 sta_id);
1012 void iwl_mvm_set_tx_cmd_rate(struct iwl_mvm *mvm, struct iwl_tx_cmd *tx_cmd,
1013                             struct ieee80211_tx_info *info,
1014                             struct ieee80211_sta *sta, __le16 fc);
1015 #ifdef CONFIG_IWLWIFI_DEBUG
1016 const char *iwl_mvm_get_tx_fail_reason(u32 status);
1017 #else
1018 static inline const char *iwl_mvm_get_tx_fail_reason(u32 status) { return ""; }
1019 #endif
1020 int iwl_mvm_flush_tx_path(struct iwl_mvm *mvm, u32 tfd_msk, bool sync);
1021 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm);
1022
1023 static inline void iwl_mvm_set_tx_cmd_ccmp(struct ieee80211_tx_info *info,
1024                                            struct iwl_tx_cmd *tx_cmd)
1025 {
1026         struct ieee80211_key_conf *keyconf = info->control.hw_key;
1027
1028         tx_cmd->sec_ctl = TX_CMD_SEC_CCM;
1029         memcpy(tx_cmd->key, keyconf->key, keyconf->keylen);
1030         if (info->flags & IEEE80211_TX_CTL_AMPDU)
1031                 tx_cmd->tx_flags |= cpu_to_le32(TX_CMD_FLG_CCMP_AGG);
1032 }
1033
1034 static inline void iwl_mvm_wait_for_async_handlers(struct iwl_mvm *mvm)
1035 {
1036         flush_work(&mvm->async_handlers_wk);
1037 }
1038
1039 /* Statistics */
1040 void iwl_mvm_handle_rx_statistics(struct iwl_mvm *mvm,
1041                                   struct iwl_rx_packet *pkt);
1042 void iwl_mvm_rx_statistics(struct iwl_mvm *mvm,
1043                            struct iwl_rx_cmd_buffer *rxb);
1044 int iwl_mvm_request_statistics(struct iwl_mvm *mvm, bool clear);
1045 void iwl_mvm_accu_radio_stats(struct iwl_mvm *mvm);
1046
1047 /* NVM */
1048 int iwl_nvm_init(struct iwl_mvm *mvm, bool read_nvm_from_nic);
1049 int iwl_mvm_load_nvm_to_nic(struct iwl_mvm *mvm);
1050
1051 static inline u8 iwl_mvm_get_valid_tx_ant(struct iwl_mvm *mvm)
1052 {
1053         return mvm->nvm_data && mvm->nvm_data->valid_tx_ant ?
1054                mvm->fw->valid_tx_ant & mvm->nvm_data->valid_tx_ant :
1055                mvm->fw->valid_tx_ant;
1056 }
1057
1058 static inline u8 iwl_mvm_get_valid_rx_ant(struct iwl_mvm *mvm)
1059 {
1060         return mvm->nvm_data && mvm->nvm_data->valid_rx_ant ?
1061                mvm->fw->valid_rx_ant & mvm->nvm_data->valid_rx_ant :
1062                mvm->fw->valid_rx_ant;
1063 }
1064
1065 static inline u32 iwl_mvm_get_phy_config(struct iwl_mvm *mvm)
1066 {
1067         u32 phy_config = ~(FW_PHY_CFG_TX_CHAIN |
1068                            FW_PHY_CFG_RX_CHAIN);
1069         u32 valid_rx_ant = iwl_mvm_get_valid_rx_ant(mvm);
1070         u32 valid_tx_ant = iwl_mvm_get_valid_tx_ant(mvm);
1071
1072         phy_config |= valid_tx_ant << FW_PHY_CFG_TX_CHAIN_POS |
1073                       valid_rx_ant << FW_PHY_CFG_RX_CHAIN_POS;
1074
1075         return mvm->fw->phy_config & phy_config;
1076 }
1077
1078 int iwl_mvm_up(struct iwl_mvm *mvm);
1079 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm);
1080
1081 int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm);
1082 bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm,
1083                                     struct iwl_bcast_filter_cmd *cmd);
1084
1085 /*
1086  * FW notifications / CMD responses handlers
1087  * Convention: iwl_mvm_rx_<NAME OF THE CMD>
1088  */
1089 void iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1090 void iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct napi_struct *napi,
1091                         struct iwl_rx_cmd_buffer *rxb);
1092 void iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1093 void iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1094 void iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm,
1095                                    struct iwl_rx_cmd_buffer *rxb);
1096 void iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1097 void iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
1098                                  struct iwl_rx_cmd_buffer *rxb);
1099 void iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm,
1100                              struct iwl_rx_cmd_buffer *rxb);
1101 void iwl_mvm_rx_shared_mem_cfg_notif(struct iwl_mvm *mvm,
1102                                      struct iwl_rx_cmd_buffer *rxb);
1103
1104 /* MVM PHY */
1105 int iwl_mvm_phy_ctxt_add(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
1106                          struct cfg80211_chan_def *chandef,
1107                          u8 chains_static, u8 chains_dynamic);
1108 int iwl_mvm_phy_ctxt_changed(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
1109                              struct cfg80211_chan_def *chandef,
1110                              u8 chains_static, u8 chains_dynamic);
1111 void iwl_mvm_phy_ctxt_ref(struct iwl_mvm *mvm,
1112                           struct iwl_mvm_phy_ctxt *ctxt);
1113 void iwl_mvm_phy_ctxt_unref(struct iwl_mvm *mvm,
1114                             struct iwl_mvm_phy_ctxt *ctxt);
1115 int iwl_mvm_phy_ctx_count(struct iwl_mvm *mvm);
1116 u8 iwl_mvm_get_channel_width(struct cfg80211_chan_def *chandef);
1117 u8 iwl_mvm_get_ctrl_pos(struct cfg80211_chan_def *chandef);
1118
1119 /* MAC (virtual interface) programming */
1120 int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1121 void iwl_mvm_mac_ctxt_release(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1122 int iwl_mvm_mac_ctxt_add(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1123 int iwl_mvm_mac_ctxt_changed(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1124                              bool force_assoc_off, const u8 *bssid_override);
1125 int iwl_mvm_mac_ctxt_remove(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1126 u32 iwl_mvm_mac_get_queues_mask(struct ieee80211_vif *vif);
1127 int iwl_mvm_mac_ctxt_beacon_changed(struct iwl_mvm *mvm,
1128                                     struct ieee80211_vif *vif);
1129 void iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm,
1130                              struct iwl_rx_cmd_buffer *rxb);
1131 void iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm,
1132                                      struct iwl_rx_cmd_buffer *rxb);
1133 void iwl_mvm_mac_ctxt_recalc_tsf_id(struct iwl_mvm *mvm,
1134                                     struct ieee80211_vif *vif);
1135 unsigned long iwl_mvm_get_used_hw_queues(struct iwl_mvm *mvm,
1136                                          struct ieee80211_vif *exclude_vif);
1137 int iwl_mvm_mac_ctxt_cmd_ap(struct iwl_mvm *mvm,
1138                             struct ieee80211_vif *vif,
1139                             u32 action);
1140
1141 /* Bindings */
1142 int iwl_mvm_binding_add_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1143 int iwl_mvm_binding_remove_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1144
1145 /* Quota management */
1146 int iwl_mvm_update_quotas(struct iwl_mvm *mvm, bool force_upload,
1147                           struct ieee80211_vif *disabled_vif);
1148
1149 /* Scanning */
1150 int iwl_mvm_reg_scan_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1151                            struct cfg80211_scan_request *req,
1152                            struct ieee80211_scan_ies *ies);
1153 int iwl_mvm_scan_size(struct iwl_mvm *mvm);
1154 int iwl_mvm_scan_stop(struct iwl_mvm *mvm, int type, bool notify);
1155 int iwl_mvm_max_scan_ie_len(struct iwl_mvm *mvm);
1156 void iwl_mvm_report_scan_aborted(struct iwl_mvm *mvm);
1157
1158 /* Scheduled scan */
1159 void iwl_mvm_rx_lmac_scan_complete_notif(struct iwl_mvm *mvm,
1160                                          struct iwl_rx_cmd_buffer *rxb);
1161 void iwl_mvm_rx_lmac_scan_iter_complete_notif(struct iwl_mvm *mvm,
1162                                               struct iwl_rx_cmd_buffer *rxb);
1163 int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm,
1164                              struct ieee80211_vif *vif,
1165                              struct cfg80211_sched_scan_request *req,
1166                              struct ieee80211_scan_ies *ies,
1167                              int type);
1168 void iwl_mvm_rx_scan_match_found(struct iwl_mvm *mvm,
1169                                  struct iwl_rx_cmd_buffer *rxb);
1170
1171 /* UMAC scan */
1172 int iwl_mvm_config_scan(struct iwl_mvm *mvm);
1173 void iwl_mvm_rx_umac_scan_complete_notif(struct iwl_mvm *mvm,
1174                                          struct iwl_rx_cmd_buffer *rxb);
1175 void iwl_mvm_rx_umac_scan_iter_complete_notif(struct iwl_mvm *mvm,
1176                                               struct iwl_rx_cmd_buffer *rxb);
1177
1178 /* MVM debugfs */
1179 #ifdef CONFIG_IWLWIFI_DEBUGFS
1180 int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir);
1181 void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1182 void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1183 #else
1184 static inline int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm,
1185                                          struct dentry *dbgfs_dir)
1186 {
1187         return 0;
1188 }
1189 static inline void
1190 iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1191 {
1192 }
1193 static inline void
1194 iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1195 {
1196 }
1197 #endif /* CONFIG_IWLWIFI_DEBUGFS */
1198
1199 /* rate scaling */
1200 int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool init);
1201 void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm, u32 rate, bool agg);
1202 int rs_pretty_print_rate(char *buf, const u32 rate);
1203 void rs_update_last_rssi(struct iwl_mvm *mvm,
1204                          struct iwl_lq_sta *lq_sta,
1205                          struct ieee80211_rx_status *rx_status);
1206
1207 /* power management */
1208 int iwl_mvm_power_update_device(struct iwl_mvm *mvm);
1209 int iwl_mvm_power_update_mac(struct iwl_mvm *mvm);
1210 int iwl_mvm_power_update_ps(struct iwl_mvm *mvm);
1211 int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1212                                  char *buf, int bufsz);
1213
1214 void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1215 void iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm,
1216                                               struct iwl_rx_cmd_buffer *rxb);
1217
1218 #ifdef CONFIG_IWLWIFI_LEDS
1219 int iwl_mvm_leds_init(struct iwl_mvm *mvm);
1220 void iwl_mvm_leds_exit(struct iwl_mvm *mvm);
1221 #else
1222 static inline int iwl_mvm_leds_init(struct iwl_mvm *mvm)
1223 {
1224         return 0;
1225 }
1226 static inline void iwl_mvm_leds_exit(struct iwl_mvm *mvm)
1227 {
1228 }
1229 #endif
1230
1231 /* D3 (WoWLAN, NetDetect) */
1232 int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan);
1233 int iwl_mvm_resume(struct ieee80211_hw *hw);
1234 void iwl_mvm_set_wakeup(struct ieee80211_hw *hw, bool enabled);
1235 void iwl_mvm_set_rekey_data(struct ieee80211_hw *hw,
1236                             struct ieee80211_vif *vif,
1237                             struct cfg80211_gtk_rekey_data *data);
1238 void iwl_mvm_ipv6_addr_change(struct ieee80211_hw *hw,
1239                               struct ieee80211_vif *vif,
1240                               struct inet6_dev *idev);
1241 void iwl_mvm_set_default_unicast_key(struct ieee80211_hw *hw,
1242                                      struct ieee80211_vif *vif, int idx);
1243 extern const struct file_operations iwl_dbgfs_d3_test_ops;
1244 #ifdef CONFIG_PM_SLEEP
1245 void iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm,
1246                                  struct ieee80211_vif *vif);
1247 #else
1248 static inline void
1249 iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1250 {
1251 }
1252 #endif
1253 void iwl_mvm_set_wowlan_qos_seq(struct iwl_mvm_sta *mvm_ap_sta,
1254                                 struct iwl_wowlan_config_cmd *cmd);
1255 int iwl_mvm_send_proto_offload(struct iwl_mvm *mvm,
1256                                struct ieee80211_vif *vif,
1257                                bool disable_offloading,
1258                                u32 cmd_flags);
1259
1260 /* D0i3 */
1261 void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1262 void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1263 int iwl_mvm_ref_sync(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1264 bool iwl_mvm_ref_taken(struct iwl_mvm *mvm);
1265 void iwl_mvm_d0i3_enable_tx(struct iwl_mvm *mvm, __le16 *qos_seq);
1266 int iwl_mvm_enter_d0i3(struct iwl_op_mode *op_mode);
1267 int iwl_mvm_exit_d0i3(struct iwl_op_mode *op_mode);
1268 int _iwl_mvm_exit_d0i3(struct iwl_mvm *mvm);
1269
1270 /* BT Coex */
1271 int iwl_send_bt_init_conf(struct iwl_mvm *mvm);
1272 void iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm,
1273                               struct iwl_rx_cmd_buffer *rxb);
1274 void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1275                            enum ieee80211_rssi_event_data);
1276 void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm);
1277 u16 iwl_mvm_coex_agg_time_limit(struct iwl_mvm *mvm,
1278                                 struct ieee80211_sta *sta);
1279 bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm,
1280                                      struct ieee80211_sta *sta);
1281 bool iwl_mvm_bt_coex_is_ant_avail(struct iwl_mvm *mvm, u8 ant);
1282 bool iwl_mvm_bt_coex_is_shared_ant_avail(struct iwl_mvm *mvm);
1283 bool iwl_mvm_bt_coex_is_tpc_allowed(struct iwl_mvm *mvm,
1284                                     enum ieee80211_band band);
1285 u8 iwl_mvm_bt_coex_tx_prio(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr,
1286                            struct ieee80211_tx_info *info, u8 ac);
1287
1288 bool iwl_mvm_bt_coex_is_shared_ant_avail_old(struct iwl_mvm *mvm);
1289 void iwl_mvm_bt_coex_vif_change_old(struct iwl_mvm *mvm);
1290 int iwl_send_bt_init_conf_old(struct iwl_mvm *mvm);
1291 void iwl_mvm_rx_bt_coex_notif_old(struct iwl_mvm *mvm,
1292                                   struct iwl_rx_cmd_buffer *rxb);
1293 void iwl_mvm_bt_rssi_event_old(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1294                                enum ieee80211_rssi_event_data);
1295 u16 iwl_mvm_coex_agg_time_limit_old(struct iwl_mvm *mvm,
1296                                     struct ieee80211_sta *sta);
1297 bool iwl_mvm_bt_coex_is_mimo_allowed_old(struct iwl_mvm *mvm,
1298                                          struct ieee80211_sta *sta);
1299 bool iwl_mvm_bt_coex_is_tpc_allowed_old(struct iwl_mvm *mvm,
1300                                         enum ieee80211_band band);
1301 void iwl_mvm_rx_ant_coupling_notif_old(struct iwl_mvm *mvm,
1302                                        struct iwl_rx_cmd_buffer *rxb);
1303
1304 /* beacon filtering */
1305 #ifdef CONFIG_IWLWIFI_DEBUGFS
1306 void
1307 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1308                                          struct iwl_beacon_filter_cmd *cmd);
1309 #else
1310 static inline void
1311 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1312                                          struct iwl_beacon_filter_cmd *cmd)
1313 {}
1314 #endif
1315 int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm,
1316                                    struct ieee80211_vif *vif,
1317                                    bool enable, u32 flags);
1318 int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
1319                                  struct ieee80211_vif *vif,
1320                                  u32 flags);
1321 int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
1322                                   struct ieee80211_vif *vif,
1323                                   u32 flags);
1324 /* SMPS */
1325 void iwl_mvm_update_smps(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1326                                 enum iwl_mvm_smps_type_request req_type,
1327                                 enum ieee80211_smps_mode smps_request);
1328 bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm *mvm);
1329
1330 /* Low latency */
1331 int iwl_mvm_update_low_latency(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1332                                bool value);
1333 /* get SystemLowLatencyMode - only needed for beacon threshold? */
1334 bool iwl_mvm_low_latency(struct iwl_mvm *mvm);
1335 /* get VMACLowLatencyMode */
1336 static inline bool iwl_mvm_vif_low_latency(struct iwl_mvm_vif *mvmvif)
1337 {
1338         /*
1339          * should this consider associated/active/... state?
1340          *
1341          * Normally low-latency should only be active on interfaces
1342          * that are active, but at least with debugfs it can also be
1343          * enabled on interfaces that aren't active. However, when
1344          * interface aren't active then they aren't added into the
1345          * binding, so this has no real impact. For now, just return
1346          * the current desired low-latency state.
1347          */
1348
1349         return mvmvif->low_latency;
1350 }
1351
1352 /* hw scheduler queue config */
1353 void iwl_mvm_enable_txq(struct iwl_mvm *mvm, int queue, u16 ssn,
1354                         const struct iwl_trans_txq_scd_cfg *cfg,
1355                         unsigned int wdg_timeout);
1356 void iwl_mvm_disable_txq(struct iwl_mvm *mvm, int queue, u8 flags);
1357
1358 static inline
1359 void iwl_mvm_enable_ac_txq(struct iwl_mvm *mvm, int queue,
1360                            u8 fifo, unsigned int wdg_timeout)
1361 {
1362         struct iwl_trans_txq_scd_cfg cfg = {
1363                 .fifo = fifo,
1364                 .tid = IWL_MAX_TID_COUNT,
1365                 .aggregate = false,
1366                 .frame_limit = IWL_FRAME_LIMIT,
1367         };
1368
1369         iwl_mvm_enable_txq(mvm, queue, 0, &cfg, wdg_timeout);
1370 }
1371
1372 static inline void iwl_mvm_enable_agg_txq(struct iwl_mvm *mvm, int queue,
1373                                           int fifo, int sta_id, int tid,
1374                                           int frame_limit, u16 ssn,
1375                                           unsigned int wdg_timeout)
1376 {
1377         struct iwl_trans_txq_scd_cfg cfg = {
1378                 .fifo = fifo,
1379                 .sta_id = sta_id,
1380                 .tid = tid,
1381                 .frame_limit = frame_limit,
1382                 .aggregate = true,
1383         };
1384
1385         iwl_mvm_enable_txq(mvm, queue, ssn, &cfg, wdg_timeout);
1386 }
1387
1388 /* Thermal management and CT-kill */
1389 void iwl_mvm_tt_tx_backoff(struct iwl_mvm *mvm, u32 backoff);
1390 void iwl_mvm_tt_temp_changed(struct iwl_mvm *mvm, u32 temp);
1391 void iwl_mvm_temp_notif(struct iwl_mvm *mvm,
1392                         struct iwl_rx_cmd_buffer *rxb);
1393 void iwl_mvm_tt_handler(struct iwl_mvm *mvm);
1394 void iwl_mvm_tt_initialize(struct iwl_mvm *mvm, u32 min_backoff);
1395 void iwl_mvm_tt_exit(struct iwl_mvm *mvm);
1396 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state);
1397 int iwl_mvm_get_temp(struct iwl_mvm *mvm);
1398
1399 /* Location Aware Regulatory */
1400 struct iwl_mcc_update_resp *
1401 iwl_mvm_update_mcc(struct iwl_mvm *mvm, const char *alpha2,
1402                    enum iwl_mcc_source src_id);
1403 int iwl_mvm_init_mcc(struct iwl_mvm *mvm);
1404 void iwl_mvm_rx_chub_update_mcc(struct iwl_mvm *mvm,
1405                                 struct iwl_rx_cmd_buffer *rxb);
1406 struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy,
1407                                                   const char *alpha2,
1408                                                   enum iwl_mcc_source src_id,
1409                                                   bool *changed);
1410 struct ieee80211_regdomain *iwl_mvm_get_current_regdomain(struct iwl_mvm *mvm,
1411                                                           bool *changed);
1412 int iwl_mvm_init_fw_regd(struct iwl_mvm *mvm);
1413 void iwl_mvm_update_changed_regdom(struct iwl_mvm *mvm);
1414
1415 /* smart fifo */
1416 int iwl_mvm_sf_update(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1417                       bool added_vif);
1418
1419 /* TDLS */
1420
1421 /*
1422  * We use TID 4 (VI) as a FW-used-only TID when TDLS connections are present.
1423  * This TID is marked as used vs the AP and all connected TDLS peers.
1424  */
1425 #define IWL_MVM_TDLS_FW_TID 4
1426
1427 int iwl_mvm_tdls_sta_count(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1428 void iwl_mvm_teardown_tdls_peers(struct iwl_mvm *mvm);
1429 void iwl_mvm_recalc_tdls_state(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1430                                bool sta_added);
1431 void iwl_mvm_mac_mgd_protect_tdls_discover(struct ieee80211_hw *hw,
1432                                            struct ieee80211_vif *vif);
1433 int iwl_mvm_tdls_channel_switch(struct ieee80211_hw *hw,
1434                                 struct ieee80211_vif *vif,
1435                                 struct ieee80211_sta *sta, u8 oper_class,
1436                                 struct cfg80211_chan_def *chandef,
1437                                 struct sk_buff *tmpl_skb, u32 ch_sw_tm_ie);
1438 void iwl_mvm_tdls_recv_channel_switch(struct ieee80211_hw *hw,
1439                                       struct ieee80211_vif *vif,
1440                                       struct ieee80211_tdls_ch_sw_params *params);
1441 void iwl_mvm_tdls_cancel_channel_switch(struct ieee80211_hw *hw,
1442                                         struct ieee80211_vif *vif,
1443                                         struct ieee80211_sta *sta);
1444 void iwl_mvm_rx_tdls_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1445 void iwl_mvm_tdls_ch_switch_work(struct work_struct *work);
1446
1447 struct ieee80211_vif *iwl_mvm_get_bss_vif(struct iwl_mvm *mvm);
1448
1449 void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error);
1450 void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm);
1451
1452 int iwl_mvm_start_fw_dbg_conf(struct iwl_mvm *mvm, u8 id);
1453 int iwl_mvm_fw_dbg_collect(struct iwl_mvm *mvm, enum iwl_fw_dbg_trigger trig,
1454                            const char *str, size_t len,
1455                            struct iwl_fw_dbg_trigger_tlv *trigger);
1456 int iwl_mvm_fw_dbg_collect_desc(struct iwl_mvm *mvm,
1457                                 struct iwl_mvm_dump_desc *desc,
1458                                 struct iwl_fw_dbg_trigger_tlv *trigger);
1459 void iwl_mvm_free_fw_dump_desc(struct iwl_mvm *mvm);
1460 int iwl_mvm_fw_dbg_collect_trig(struct iwl_mvm *mvm,
1461                                 struct iwl_fw_dbg_trigger_tlv *trigger,
1462                                 const char *fmt, ...) __printf(3, 4);
1463 unsigned int iwl_mvm_get_wd_timeout(struct iwl_mvm *mvm,
1464                                     struct ieee80211_vif *vif,
1465                                     bool tdls, bool cmd_q);
1466 void iwl_mvm_connection_loss(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1467                              const char *errmsg);
1468 static inline bool
1469 iwl_fw_dbg_trigger_vif_match(struct iwl_fw_dbg_trigger_tlv *trig,
1470                              struct ieee80211_vif *vif)
1471 {
1472         u32 trig_vif = le32_to_cpu(trig->vif_type);
1473
1474         return trig_vif == IWL_FW_DBG_CONF_VIF_ANY || vif->type == trig_vif;
1475 }
1476
1477 static inline bool
1478 iwl_fw_dbg_trigger_stop_conf_match(struct iwl_mvm *mvm,
1479                                    struct iwl_fw_dbg_trigger_tlv *trig)
1480 {
1481         return ((trig->mode & IWL_FW_DBG_TRIGGER_STOP) &&
1482                 (mvm->fw_dbg_conf == FW_DBG_INVALID ||
1483                 (BIT(mvm->fw_dbg_conf) & le32_to_cpu(trig->stop_conf_ids))));
1484 }
1485
1486 static inline bool
1487 iwl_fw_dbg_trigger_check_stop(struct iwl_mvm *mvm,
1488                               struct ieee80211_vif *vif,
1489                               struct iwl_fw_dbg_trigger_tlv *trig)
1490 {
1491         if (vif && !iwl_fw_dbg_trigger_vif_match(trig, vif))
1492                 return false;
1493
1494         return iwl_fw_dbg_trigger_stop_conf_match(mvm, trig);
1495 }
1496
1497 static inline void
1498 iwl_fw_dbg_trigger_simple_stop(struct iwl_mvm *mvm,
1499                                struct ieee80211_vif *vif,
1500                                enum iwl_fw_dbg_trigger trig)
1501 {
1502         struct iwl_fw_dbg_trigger_tlv *trigger;
1503
1504         if (!iwl_fw_dbg_trigger_enabled(mvm->fw, trig))
1505                 return;
1506
1507         trigger = iwl_fw_dbg_get_trigger(mvm->fw, trig);
1508         if (!iwl_fw_dbg_trigger_check_stop(mvm, vif, trigger))
1509                 return;
1510
1511         iwl_mvm_fw_dbg_collect_trig(mvm, trigger, NULL);
1512 }
1513
1514 #endif /* __IWL_MVM_H__ */