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         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  * @features: hw features active for this vif
 361  */
 362 struct iwl_mvm_vif {
 363         struct iwl_mvm *mvm;
 364         u16 id;
 365         u16 color;
 366         u8 ap_sta_id;
 367
 368         u8 bssid[ETH_ALEN];
 369         bool associated;
 370
 371         bool uploaded;
 372         bool ap_ibss_active;
 373         bool pm_enabled;
 374         bool monitor_active;
 375         bool low_latency;
 376         bool ps_disabled;
 377         struct iwl_mvm_vif_bf_data bf_data;
 378
 379         struct {
 380                 u32 num_beacons, accu_num_beacons;
 381                 u8 avg_signal;
 382         } beacon_stats;
 383
 384         u32 ap_beacon_time;
 385
 386         enum iwl_tsf_id tsf_id;
 387
 388         /*
 389          * QoS data from mac80211, need to store this here
 390          * as mac80211 has a separate callback but we need
 391          * to have the data for the MAC context
 392          */
 393         struct ieee80211_tx_queue_params queue_params[IEEE80211_NUM_ACS];
 394         struct iwl_mvm_time_event_data time_event_data;
 395         struct iwl_mvm_time_event_data hs_time_event_data;
 396
 397         struct iwl_mvm_int_sta bcast_sta;
 398
 399         /*
 400          * Assigned while mac80211 has the interface in a channel context,
 401          * or, for P2P Device, while it exists.
 402          */
 403         struct iwl_mvm_phy_ctxt *phy_ctxt;
 404
 405 #ifdef CONFIG_PM_SLEEP
 406         /* WoWLAN GTK rekey data */
 407         struct {
 408                 u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN];
 409                 __le64 replay_ctr;
 410                 bool valid;
 411         } rekey_data;
 412
 413         int tx_key_idx;
 414
 415         bool seqno_valid;
 416         u16 seqno;
 417 #endif
 418
 419 #if IS_ENABLED(CONFIG_IPV6)
 420         /* IPv6 addresses for WoWLAN */
 421         struct in6_addr target_ipv6_addrs[IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_MAX];
 422         int num_target_ipv6_addrs;
 423 #endif
 424
 425 #ifdef CONFIG_IWLWIFI_DEBUGFS
 426         struct dentry *dbgfs_dir;
 427         struct dentry *dbgfs_slink;
 428         struct iwl_dbgfs_pm dbgfs_pm;
 429         struct iwl_dbgfs_bf dbgfs_bf;
 430         struct iwl_mac_power_cmd mac_pwr_cmd;
 431 #endif
 432
 433         enum ieee80211_smps_mode smps_requests[NUM_IWL_MVM_SMPS_REQ];
 434
 435         /* FW identified misbehaving AP */
 436         u8 uapsd_misbehaving_bssid[ETH_ALEN];
 437
 438         /* Indicates that CSA countdown may be started */
 439         bool csa_countdown;
 440         bool csa_failed;
 441
 442         /* TCP Checksum Offload */
 443         netdev_features_t features;
 444 };
 445
 446 static inline struct iwl_mvm_vif *
 447 iwl_mvm_vif_from_mac80211(struct ieee80211_vif *vif)
 448 {
 449         return (void *)vif->drv_priv;
 450 }
 451
 452 extern const u8 tid_to_mac80211_ac[];
 453
 454 #define IWL_MVM_SCAN_STOPPING_SHIFT     8
 455
 456 enum iwl_scan_status {
 457         IWL_MVM_SCAN_REGULAR            = BIT(0),
 458         IWL_MVM_SCAN_SCHED              = BIT(1),
 459         IWL_MVM_SCAN_NETDETECT          = BIT(2),
 460
 461         IWL_MVM_SCAN_STOPPING_REGULAR   = BIT(8),
 462         IWL_MVM_SCAN_STOPPING_SCHED     = BIT(9),
 463         IWL_MVM_SCAN_STOPPING_NETDETECT = BIT(10),
 464
 465         IWL_MVM_SCAN_REGULAR_MASK       = IWL_MVM_SCAN_REGULAR |
 466                                           IWL_MVM_SCAN_STOPPING_REGULAR,
 467         IWL_MVM_SCAN_SCHED_MASK         = IWL_MVM_SCAN_SCHED |
 468                                           IWL_MVM_SCAN_STOPPING_SCHED,
 469         IWL_MVM_SCAN_NETDETECT_MASK     = IWL_MVM_SCAN_NETDETECT |
 470                                           IWL_MVM_SCAN_STOPPING_NETDETECT,
 471
 472         IWL_MVM_SCAN_STOPPING_MASK      = 0xff << IWL_MVM_SCAN_STOPPING_SHIFT,
 473         IWL_MVM_SCAN_MASK               = 0xff,
 474 };
 475
 476 /**
 477  * struct iwl_nvm_section - describes an NVM section in memory.
 478  *
 479  * This struct holds an NVM section read from the NIC using NVM_ACCESS_CMD,
 480  * and saved for later use by the driver. Not all NVM sections are saved
 481  * this way, only the needed ones.
 482  */
 483 struct iwl_nvm_section {
 484         u16 length;
 485         const u8 *data;
 486 };
 487
 488 /**
 489  * struct iwl_mvm_tt_mgnt - Thermal Throttling Management structure
 490  * @ct_kill_exit: worker to exit thermal kill
 491  * @dynamic_smps: Is thermal throttling enabled dynamic_smps?
 492  * @tx_backoff: The current thremal throttling tx backoff in uSec.
 493  * @min_backoff: The minimal tx backoff due to power restrictions
 494  * @params: Parameters to configure the thermal throttling algorithm.
 495  * @throttle: Is thermal throttling is active?
 496  */
 497 struct iwl_mvm_tt_mgmt {
 498         struct delayed_work ct_kill_exit;
 499         bool dynamic_smps;
 500         u32 tx_backoff;
 501         u32 min_backoff;
 502         struct iwl_tt_params params;
 503         bool throttle;
 504 };
 505
 506 #define IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES 8
 507
 508 struct iwl_mvm_frame_stats {
 509         u32 legacy_frames;
 510         u32 ht_frames;
 511         u32 vht_frames;
 512         u32 bw_20_frames;
 513         u32 bw_40_frames;
 514         u32 bw_80_frames;
 515         u32 bw_160_frames;
 516         u32 sgi_frames;
 517         u32 ngi_frames;
 518         u32 siso_frames;
 519         u32 mimo2_frames;
 520         u32 agg_frames;
 521         u32 ampdu_count;
 522         u32 success_frames;
 523         u32 fail_frames;
 524         u32 last_rates[IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES];
 525         int last_frame_idx;
 526 };
 527
 528 enum {
 529         D0I3_DEFER_WAKEUP,
 530         D0I3_PENDING_WAKEUP,
 531 };
 532
 533 #define IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE 0xff
 534 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MIN -100
 535 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MAX 200
 536
 537 enum iwl_mvm_tdls_cs_state {
 538         IWL_MVM_TDLS_SW_IDLE = 0,
 539         IWL_MVM_TDLS_SW_REQ_SENT,
 540         IWL_MVM_TDLS_SW_RESP_RCVD,
 541         IWL_MVM_TDLS_SW_REQ_RCVD,
 542         IWL_MVM_TDLS_SW_ACTIVE,
 543 };
 544
 545 struct iwl_mvm_shared_mem_cfg {
 546         u32 shared_mem_addr;
 547         u32 shared_mem_size;
 548         u32 sample_buff_addr;
 549         u32 sample_buff_size;
 550         u32 txfifo_addr;
 551         u32 txfifo_size[TX_FIFO_MAX_NUM];
 552         u32 rxfifo_size[RX_FIFO_MAX_NUM];
 553         u32 page_buff_addr;
 554         u32 page_buff_size;
 555 };
 556
 557 struct iwl_mvm {
 558         /* for logger access */
 559         struct device *dev;
 560
 561         struct iwl_trans *trans;
 562         const struct iwl_fw *fw;
 563         const struct iwl_cfg *cfg;
 564         struct iwl_phy_db *phy_db;
 565         struct ieee80211_hw *hw;
 566
 567         /* for protecting access to iwl_mvm */
 568         struct mutex mutex;
 569         struct list_head async_handlers_list;
 570         spinlock_t async_handlers_lock;
 571         struct work_struct async_handlers_wk;
 572
 573         struct work_struct roc_done_wk;
 574
 575         unsigned long status;
 576
 577         /*
 578          * for beacon filtering -
 579          * currently only one interface can be supported
 580          */
 581         struct iwl_mvm_vif *bf_allowed_vif;
 582
 583         enum iwl_ucode_type cur_ucode;
 584         bool ucode_loaded;
 585         bool calibrating;
 586         u32 error_event_table;
 587         u32 log_event_table;
 588         u32 umac_error_event_table;
 589         bool support_umac_log;
 590         struct iwl_sf_region sf_space;
 591
 592         u32 ampdu_ref;
 593
 594         struct iwl_notif_wait_data notif_wait;
 595
 596         struct mvm_statistics_rx rx_stats;
 597
 598         struct {
 599                 u64 rx_time;
 600                 u64 tx_time;
 601                 u64 on_time_rf;
 602                 u64 on_time_scan;
 603         } radio_stats, accu_radio_stats;
 604
 605         u8 queue_to_mac80211[IWL_MAX_HW_QUEUES];
 606         atomic_t mac80211_queue_stop_count[IEEE80211_MAX_QUEUES];
 607
 608         const char *nvm_file_name;
 609         struct iwl_nvm_data *nvm_data;
 610         /* NVM sections */
 611         struct iwl_nvm_section nvm_sections[NVM_MAX_NUM_SECTIONS];
 612
 613         /* Paging section */
 614         struct iwl_fw_paging fw_paging_db[NUM_OF_FW_PAGING_BLOCKS];
 615         u16 num_of_paging_blk;
 616         u16 num_of_pages_in_last_blk;
 617
 618         /* EEPROM MAC addresses */
 619         struct mac_address addresses[IWL_MVM_MAX_ADDRESSES];
 620
 621         /* data related to data path */
 622         struct iwl_rx_phy_info last_phy_info;
 623         struct ieee80211_sta __rcu *fw_id_to_mac_id[IWL_MVM_STATION_COUNT];
 624         struct work_struct sta_drained_wk;
 625         unsigned long sta_drained[BITS_TO_LONGS(IWL_MVM_STATION_COUNT)];
 626         atomic_t pending_frames[IWL_MVM_STATION_COUNT];
 627         u32 tfd_drained[IWL_MVM_STATION_COUNT];
 628         u8 rx_ba_sessions;
 629
 630         /* configured by mac80211 */
 631         u32 rts_threshold;
 632
 633         /* Scan status, cmd (pre-allocated) and auxiliary station */
 634         unsigned int scan_status;
 635         void *scan_cmd;
 636         struct iwl_mcast_filter_cmd *mcast_filter_cmd;
 637
 638         /* max number of simultaneous scans the FW supports */
 639         unsigned int max_scans;
 640
 641         /* UMAC scan tracking */
 642         u32 scan_uid_status[IWL_MVM_MAX_UMAC_SCANS];
 643
 644         /* rx chain antennas set through debugfs for the scan command */
 645         u8 scan_rx_ant;
 646
 647 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
 648         /* broadcast filters to configure for each associated station */
 649         const struct iwl_fw_bcast_filter *bcast_filters;
 650 #ifdef CONFIG_IWLWIFI_DEBUGFS
 651         struct {
 652                 u32 override; /* u32 for debugfs_create_bool */
 653                 struct iwl_bcast_filter_cmd cmd;
 654         } dbgfs_bcast_filtering;
 655 #endif
 656 #endif
 657
 658         /* Internal station */
 659         struct iwl_mvm_int_sta aux_sta;
 660
 661         bool last_ebs_successful;
 662
 663         u8 scan_last_antenna_idx; /* to toggle TX between antennas */
 664         u8 mgmt_last_antenna_idx;
 665
 666         /* last smart fifo state that was successfully sent to firmware */
 667         enum iwl_sf_state sf_state;
 668
 669 #ifdef CONFIG_IWLWIFI_DEBUGFS
 670         struct dentry *debugfs_dir;
 671         u32 dbgfs_sram_offset, dbgfs_sram_len;
 672         u32 dbgfs_prph_reg_addr;
 673         bool disable_power_off;
 674         bool disable_power_off_d3;
 675
 676         u32 scan_iter_notif_enabled; /* must be u32 for debugfs_create_bool */
 677
 678         struct debugfs_blob_wrapper nvm_hw_blob;
 679         struct debugfs_blob_wrapper nvm_sw_blob;
 680         struct debugfs_blob_wrapper nvm_calib_blob;
 681         struct debugfs_blob_wrapper nvm_prod_blob;
 682
 683         struct iwl_mvm_frame_stats drv_rx_stats;
 684         spinlock_t drv_stats_lock;
 685         u16 dbgfs_rx_phyinfo;
 686 #endif
 687
 688         struct iwl_mvm_phy_ctxt phy_ctxts[NUM_PHY_CTX];
 689
 690         struct list_head time_event_list;
 691         spinlock_t time_event_lock;
 692
 693         /*
 694          * A bitmap indicating the index of the key in use. The firmware
 695          * can hold 16 keys at most. Reflect this fact.
 696          */
 697         unsigned long fw_key_table[BITS_TO_LONGS(STA_KEY_MAX_NUM)];
 698         u8 fw_key_deleted[STA_KEY_MAX_NUM];
 699
 700         /* references taken by the driver and spinlock protecting them */
 701         spinlock_t refs_lock;
 702         u8 refs[IWL_MVM_REF_COUNT];
 703
 704         u8 vif_count;
 705
 706         /* -1 for always, 0 for never, >0 for that many times */
 707         s8 restart_fw;
 708         u8 fw_dbg_conf;
 709         struct delayed_work fw_dump_wk;
 710         struct iwl_mvm_dump_desc *fw_dump_desc;
 711         struct iwl_fw_dbg_trigger_tlv *fw_dump_trig;
 712
 713 #ifdef CONFIG_IWLWIFI_LEDS
 714         struct led_classdev led;
 715 #endif
 716
 717         struct ieee80211_vif *p2p_device_vif;
 718
 719 #ifdef CONFIG_PM_SLEEP
 720         struct wiphy_wowlan_support wowlan;
 721         int gtk_ivlen, gtk_icvlen, ptk_ivlen, ptk_icvlen;
 722
 723         /* sched scan settings for net detect */
 724         struct cfg80211_sched_scan_request *nd_config;
 725         struct ieee80211_scan_ies nd_ies;
 726         struct cfg80211_match_set *nd_match_sets;
 727         int n_nd_match_sets;
 728         struct ieee80211_channel **nd_channels;
 729         int n_nd_channels;
 730         bool net_detect;
 731 #ifdef CONFIG_IWLWIFI_DEBUGFS
 732         u32 d3_wake_sysassert; /* must be u32 for debugfs_create_bool */
 733         bool d3_test_active;
 734         bool store_d3_resume_sram;
 735         void *d3_resume_sram;
 736         u32 d3_test_pme_ptr;
 737         struct ieee80211_vif *keep_vif;
 738         u32 last_netdetect_scans; /* no. of scans in the last net-detect wake */
 739 #endif
 740 #endif
 741
 742         /* d0i3 */
 743         u8 d0i3_ap_sta_id;
 744         bool d0i3_offloading;
 745         struct work_struct d0i3_exit_work;
 746         struct sk_buff_head d0i3_tx;
 747         /* protect d0i3_suspend_flags */
 748         struct mutex d0i3_suspend_mutex;
 749         unsigned long d0i3_suspend_flags;
 750         /* sync d0i3_tx queue and IWL_MVM_STATUS_IN_D0I3 status flag */
 751         spinlock_t d0i3_tx_lock;
 752         wait_queue_head_t d0i3_exit_waitq;
 753
 754         /* BT-Coex */
 755         u8 bt_ack_kill_msk[NUM_PHY_CTX];
 756         u8 bt_cts_kill_msk[NUM_PHY_CTX];
 757
 758         struct iwl_bt_coex_profile_notif_old last_bt_notif_old;
 759         struct iwl_bt_coex_ci_cmd_old last_bt_ci_cmd_old;
 760         struct iwl_bt_coex_profile_notif last_bt_notif;
 761         struct iwl_bt_coex_ci_cmd last_bt_ci_cmd;
 762
 763         u32 last_ant_isol;
 764         u8 last_corun_lut;
 765         u8 bt_tx_prio;
 766         enum iwl_bt_force_ant_mode bt_force_ant_mode;
 767
 768         /* Aux ROC */
 769         struct list_head aux_roc_te_list;
 770
 771         /* Thermal Throttling and CTkill */
 772         struct iwl_mvm_tt_mgmt thermal_throttle;
 773         s32 temperature;        /* Celsius */
 774         /*
 775          * Debug option to set the NIC temperature. This option makes the
 776          * driver think this is the actual NIC temperature, and ignore the
 777          * real temperature that is received from the fw
 778          */
 779         bool temperature_test;  /* Debug test temperature is enabled */
 780
 781         struct iwl_time_quota_cmd last_quota_cmd;
 782
 783 #ifdef CONFIG_NL80211_TESTMODE
 784         u32 noa_duration;
 785         struct ieee80211_vif *noa_vif;
 786 #endif
 787
 788         /* Tx queues */
 789         u8 aux_queue;
 790         u8 first_agg_queue;
 791         u8 last_agg_queue;
 792
 793         /* Indicate if device power save is allowed */
 794         u8 ps_disabled; /* u8 instead of bool to ease debugfs_create_* usage */
 795
 796         struct ieee80211_vif __rcu *csa_vif;
 797         struct ieee80211_vif __rcu *csa_tx_blocked_vif;
 798         u8 csa_tx_block_bcn_timeout;
 799
 800         /* system time of last beacon (for AP/GO interface) */
 801         u32 ap_last_beacon_gp2;
 802
 803         bool lar_regdom_set;
 804         enum iwl_mcc_source mcc_src;
 805
 806         u8 low_latency_agg_frame_limit;
 807
 808         /* TDLS channel switch data */
 809         struct {
 810                 struct delayed_work dwork;
 811                 enum iwl_mvm_tdls_cs_state state;
 812
 813                 /*
 814                  * Current cs sta - might be different from periodic cs peer
 815                  * station. Value is meaningless when the cs-state is idle.
 816                  */
 817                 u8 cur_sta_id;
 818
 819                 /* TDLS periodic channel-switch peer */
 820                 struct {
 821                         u8 sta_id;
 822                         u8 op_class;
 823                         bool initiator; /* are we the link initiator */
 824                         struct cfg80211_chan_def chandef;
 825                         struct sk_buff *skb; /* ch sw template */
 826                         u32 ch_sw_tm_ie;
 827
 828                         /* timestamp of last ch-sw request sent (GP2 time) */
 829                         u32 sent_timestamp;
 830                 } peer;
 831         } tdls_cs;
 832
 833         struct iwl_mvm_shared_mem_cfg shared_mem_cfg;
 834
 835         u32 ciphers[6];
 836         struct iwl_mvm_tof_data tof_data;
 837 };
 838
 839 /* Extract MVM priv from op_mode and _hw */
 840 #define IWL_OP_MODE_GET_MVM(_iwl_op_mode)               \
 841         ((struct iwl_mvm *)(_iwl_op_mode)->op_mode_specific)
 842
 843 #define IWL_MAC80211_GET_MVM(_hw)                       \
 844         IWL_OP_MODE_GET_MVM((struct iwl_op_mode *)((_hw)->priv))
 845
 846 enum iwl_mvm_status {
 847         IWL_MVM_STATUS_HW_RFKILL,
 848         IWL_MVM_STATUS_HW_CTKILL,
 849         IWL_MVM_STATUS_ROC_RUNNING,
 850         IWL_MVM_STATUS_IN_HW_RESTART,
 851         IWL_MVM_STATUS_IN_D0I3,
 852         IWL_MVM_STATUS_ROC_AUX_RUNNING,
 853         IWL_MVM_STATUS_D3_RECONFIG,
 854         IWL_MVM_STATUS_DUMPING_FW_LOG,
 855 };
 856
 857 static inline bool iwl_mvm_is_radio_killed(struct iwl_mvm *mvm)
 858 {
 859         return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status) ||
 860                test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
 861 }
 862
 863 static inline bool iwl_mvm_is_radio_hw_killed(struct iwl_mvm *mvm)
 864 {
 865         return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status);
 866 }
 867
 868 /* Must be called with rcu_read_lock() held and it can only be
 869  * released when mvmsta is not needed anymore.
 870  */
 871 static inline struct iwl_mvm_sta *
 872 iwl_mvm_sta_from_staid_rcu(struct iwl_mvm *mvm, u8 sta_id)
 873 {
 874         struct ieee80211_sta *sta;
 875
 876         if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
 877                 return NULL;
 878
 879         sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
 880
 881         /* This can happen if the station has been removed right now */
 882         if (IS_ERR_OR_NULL(sta))
 883                 return NULL;
 884
 885         return iwl_mvm_sta_from_mac80211(sta);
 886 }
 887
 888 static inline struct iwl_mvm_sta *
 889 iwl_mvm_sta_from_staid_protected(struct iwl_mvm *mvm, u8 sta_id)
 890 {
 891         struct ieee80211_sta *sta;
 892
 893         if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
 894                 return NULL;
 895
 896         sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id],
 897                                         lockdep_is_held(&mvm->mutex));
 898
 899         /* This can happen if the station has been removed right now */
 900         if (IS_ERR_OR_NULL(sta))
 901                 return NULL;
 902
 903         return iwl_mvm_sta_from_mac80211(sta);
 904 }
 905
 906 static inline bool iwl_mvm_is_d0i3_supported(struct iwl_mvm *mvm)
 907 {
 908         return mvm->trans->cfg->d0i3 &&
 909                mvm->trans->d0i3_mode != IWL_D0I3_MODE_OFF &&
 910                !iwlwifi_mod_params.d0i3_disable &&
 911                fw_has_capa(&mvm->fw->ucode_capa,
 912                            IWL_UCODE_TLV_CAPA_D0I3_SUPPORT);
 913 }
 914
 915 static inline bool iwl_mvm_is_lar_supported(struct iwl_mvm *mvm)
 916 {
 917         bool nvm_lar = mvm->nvm_data->lar_enabled;
 918         bool tlv_lar = fw_has_capa(&mvm->fw->ucode_capa,
 919                                    IWL_UCODE_TLV_CAPA_LAR_SUPPORT);
 920
 921         if (iwlwifi_mod_params.lar_disable)
 922                 return false;
 923
 924         /*
 925          * Enable LAR only if it is supported by the FW (TLV) &&
 926          * enabled in the NVM
 927          */
 928         if (mvm->cfg->device_family == IWL_DEVICE_FAMILY_8000)
 929                 return nvm_lar && tlv_lar;
 930         else
 931                 return tlv_lar;
 932 }
 933
 934 static inline bool iwl_mvm_is_wifi_mcc_supported(struct iwl_mvm *mvm)
 935 {
 936         return fw_has_api(&mvm->fw->ucode_capa,
 937                           IWL_UCODE_TLV_API_WIFI_MCC_UPDATE) ||
 938                fw_has_capa(&mvm->fw->ucode_capa,
 939                            IWL_UCODE_TLV_CAPA_LAR_MULTI_MCC);
 940 }
 941
 942 static inline bool iwl_mvm_is_scd_cfg_supported(struct iwl_mvm *mvm)
 943 {
 944         return fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_SCD_CFG);
 945 }
 946
 947 static inline bool iwl_mvm_bt_is_plcr_supported(struct iwl_mvm *mvm)
 948 {
 949         return fw_has_capa(&mvm->fw->ucode_capa,
 950                            IWL_UCODE_TLV_CAPA_BT_COEX_PLCR) &&
 951                 IWL_MVM_BT_COEX_CORUNNING;
 952 }
 953
 954 static inline bool iwl_mvm_bt_is_rrc_supported(struct iwl_mvm *mvm)
 955 {
 956         return fw_has_capa(&mvm->fw->ucode_capa,
 957                            IWL_UCODE_TLV_CAPA_BT_COEX_RRC) &&
 958                 IWL_MVM_BT_COEX_RRC;
 959 }
 960
 961 static inline bool iwl_mvm_is_csum_supported(struct iwl_mvm *mvm)
 962 {
 963         return fw_has_capa(&mvm->fw->ucode_capa,
 964                            IWL_UCODE_TLV_CAPA_CSUM_SUPPORT);
 965 }
 966
 967 extern const u8 iwl_mvm_ac_to_tx_fifo[];
 968
 969 struct iwl_rate_info {
 970         u8 plcp;        /* uCode API:  IWL_RATE_6M_PLCP, etc. */
 971         u8 plcp_siso;   /* uCode API:  IWL_RATE_SISO_6M_PLCP, etc. */
 972         u8 plcp_mimo2;  /* uCode API:  IWL_RATE_MIMO2_6M_PLCP, etc. */
 973         u8 plcp_mimo3;  /* uCode API:  IWL_RATE_MIMO3_6M_PLCP, etc. */
 974         u8 ieee;        /* MAC header:  IWL_RATE_6M_IEEE, etc. */
 975 };
 976
 977 void __iwl_mvm_mac_stop(struct iwl_mvm *mvm);
 978 int __iwl_mvm_mac_start(struct iwl_mvm *mvm);
 979
 980 /******************
 981  * MVM Methods
 982  ******************/
 983 /* uCode */
 984 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm);
 985
 986 /* Utils */
 987 int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags,
 988                                         enum ieee80211_band band);
 989 void iwl_mvm_hwrate_to_tx_rate(u32 rate_n_flags,
 990                                enum ieee80211_band band,
 991                                struct ieee80211_tx_rate *r);
 992 u8 iwl_mvm_mac80211_idx_to_hwrate(int rate_idx);
 993 void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm);
 994 u8 first_antenna(u8 mask);
 995 u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx);
 996
 997 /* Tx / Host Commands */
 998 int __must_check iwl_mvm_send_cmd(struct iwl_mvm *mvm,
 999                                   struct iwl_host_cmd *cmd);
1000 int __must_check iwl_mvm_send_cmd_pdu(struct iwl_mvm *mvm, u32 id,
1001                                       u32 flags, u16 len, const void *data);
1002 int __must_check iwl_mvm_send_cmd_status(struct iwl_mvm *mvm,
1003                                          struct iwl_host_cmd *cmd,
1004                                          u32 *status);
1005 int __must_check iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u32 id,
1006                                              u16 len, const void *data,
1007                                              u32 *status);
1008 int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb,
1009                    struct ieee80211_sta *sta);
1010 int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb);
1011 void iwl_mvm_set_tx_cmd(struct iwl_mvm *mvm, struct sk_buff *skb,
1012                         struct iwl_tx_cmd *tx_cmd,
1013                         struct ieee80211_tx_info *info, u8 sta_id);
1014 void iwl_mvm_set_tx_cmd_rate(struct iwl_mvm *mvm, struct iwl_tx_cmd *tx_cmd,
1015                             struct ieee80211_tx_info *info,
1016                             struct ieee80211_sta *sta, __le16 fc);
1017 #ifdef CONFIG_IWLWIFI_DEBUG
1018 const char *iwl_mvm_get_tx_fail_reason(u32 status);
1019 #else
1020 static inline const char *iwl_mvm_get_tx_fail_reason(u32 status) { return ""; }
1021 #endif
1022 int iwl_mvm_flush_tx_path(struct iwl_mvm *mvm, u32 tfd_msk, bool sync);
1023 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm);
1024
1025 static inline void iwl_mvm_set_tx_cmd_ccmp(struct ieee80211_tx_info *info,
1026                                            struct iwl_tx_cmd *tx_cmd)
1027 {
1028         struct ieee80211_key_conf *keyconf = info->control.hw_key;
1029
1030         tx_cmd->sec_ctl = TX_CMD_SEC_CCM;
1031         memcpy(tx_cmd->key, keyconf->key, keyconf->keylen);
1032         if (info->flags & IEEE80211_TX_CTL_AMPDU)
1033                 tx_cmd->tx_flags |= cpu_to_le32(TX_CMD_FLG_CCMP_AGG);
1034 }
1035
1036 static inline void iwl_mvm_wait_for_async_handlers(struct iwl_mvm *mvm)
1037 {
1038         flush_work(&mvm->async_handlers_wk);
1039 }
1040
1041 /* Statistics */
1042 void iwl_mvm_handle_rx_statistics(struct iwl_mvm *mvm,
1043                                   struct iwl_rx_packet *pkt);
1044 void iwl_mvm_rx_statistics(struct iwl_mvm *mvm,
1045                            struct iwl_rx_cmd_buffer *rxb);
1046 int iwl_mvm_request_statistics(struct iwl_mvm *mvm, bool clear);
1047 void iwl_mvm_accu_radio_stats(struct iwl_mvm *mvm);
1048
1049 /* NVM */
1050 int iwl_nvm_init(struct iwl_mvm *mvm, bool read_nvm_from_nic);
1051 int iwl_mvm_load_nvm_to_nic(struct iwl_mvm *mvm);
1052
1053 static inline u8 iwl_mvm_get_valid_tx_ant(struct iwl_mvm *mvm)
1054 {
1055         return mvm->nvm_data && mvm->nvm_data->valid_tx_ant ?
1056                mvm->fw->valid_tx_ant & mvm->nvm_data->valid_tx_ant :
1057                mvm->fw->valid_tx_ant;
1058 }
1059
1060 static inline u8 iwl_mvm_get_valid_rx_ant(struct iwl_mvm *mvm)
1061 {
1062         return mvm->nvm_data && mvm->nvm_data->valid_rx_ant ?
1063                mvm->fw->valid_rx_ant & mvm->nvm_data->valid_rx_ant :
1064                mvm->fw->valid_rx_ant;
1065 }
1066
1067 static inline u32 iwl_mvm_get_phy_config(struct iwl_mvm *mvm)
1068 {
1069         u32 phy_config = ~(FW_PHY_CFG_TX_CHAIN |
1070                            FW_PHY_CFG_RX_CHAIN);
1071         u32 valid_rx_ant = iwl_mvm_get_valid_rx_ant(mvm);
1072         u32 valid_tx_ant = iwl_mvm_get_valid_tx_ant(mvm);
1073
1074         phy_config |= valid_tx_ant << FW_PHY_CFG_TX_CHAIN_POS |
1075                       valid_rx_ant << FW_PHY_CFG_RX_CHAIN_POS;
1076
1077         return mvm->fw->phy_config & phy_config;
1078 }
1079
1080 int iwl_mvm_up(struct iwl_mvm *mvm);
1081 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm);
1082
1083 int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm);
1084 bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm,
1085                                     struct iwl_bcast_filter_cmd *cmd);
1086
1087 /*
1088  * FW notifications / CMD responses handlers
1089  * Convention: iwl_mvm_rx_<NAME OF THE CMD>
1090  */
1091 void iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1092 void iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct napi_struct *napi,
1093                         struct iwl_rx_cmd_buffer *rxb);
1094 void iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1095 void iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1096 void iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm,
1097                                    struct iwl_rx_cmd_buffer *rxb);
1098 void iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1099 void iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
1100                                  struct iwl_rx_cmd_buffer *rxb);
1101 void iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm,
1102                              struct iwl_rx_cmd_buffer *rxb);
1103 void iwl_mvm_rx_shared_mem_cfg_notif(struct iwl_mvm *mvm,
1104                                      struct iwl_rx_cmd_buffer *rxb);
1105
1106 /* MVM PHY */
1107 int iwl_mvm_phy_ctxt_add(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
1108                          struct cfg80211_chan_def *chandef,
1109                          u8 chains_static, u8 chains_dynamic);
1110 int iwl_mvm_phy_ctxt_changed(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
1111                              struct cfg80211_chan_def *chandef,
1112                              u8 chains_static, u8 chains_dynamic);
1113 void iwl_mvm_phy_ctxt_ref(struct iwl_mvm *mvm,
1114                           struct iwl_mvm_phy_ctxt *ctxt);
1115 void iwl_mvm_phy_ctxt_unref(struct iwl_mvm *mvm,
1116                             struct iwl_mvm_phy_ctxt *ctxt);
1117 int iwl_mvm_phy_ctx_count(struct iwl_mvm *mvm);
1118 u8 iwl_mvm_get_channel_width(struct cfg80211_chan_def *chandef);
1119 u8 iwl_mvm_get_ctrl_pos(struct cfg80211_chan_def *chandef);
1120
1121 /* MAC (virtual interface) programming */
1122 int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1123 void iwl_mvm_mac_ctxt_release(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1124 int iwl_mvm_mac_ctxt_add(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1125 int iwl_mvm_mac_ctxt_changed(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1126                              bool force_assoc_off, const u8 *bssid_override);
1127 int iwl_mvm_mac_ctxt_remove(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1128 u32 iwl_mvm_mac_get_queues_mask(struct ieee80211_vif *vif);
1129 int iwl_mvm_mac_ctxt_beacon_changed(struct iwl_mvm *mvm,
1130                                     struct ieee80211_vif *vif);
1131 void iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm,
1132                              struct iwl_rx_cmd_buffer *rxb);
1133 void iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm,
1134                                      struct iwl_rx_cmd_buffer *rxb);
1135 void iwl_mvm_mac_ctxt_recalc_tsf_id(struct iwl_mvm *mvm,
1136                                     struct ieee80211_vif *vif);
1137 unsigned long iwl_mvm_get_used_hw_queues(struct iwl_mvm *mvm,
1138                                          struct ieee80211_vif *exclude_vif);
1139
1140 /* Bindings */
1141 int iwl_mvm_binding_add_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1142 int iwl_mvm_binding_remove_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1143
1144 /* Quota management */
1145 int iwl_mvm_update_quotas(struct iwl_mvm *mvm, bool force_upload,
1146                           struct ieee80211_vif *disabled_vif);
1147
1148 /* Scanning */
1149 int iwl_mvm_reg_scan_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1150                            struct cfg80211_scan_request *req,
1151                            struct ieee80211_scan_ies *ies);
1152 int iwl_mvm_scan_size(struct iwl_mvm *mvm);
1153 int iwl_mvm_scan_stop(struct iwl_mvm *mvm, int type, bool notify);
1154 int iwl_mvm_max_scan_ie_len(struct iwl_mvm *mvm);
1155 void iwl_mvm_report_scan_aborted(struct iwl_mvm *mvm);
1156
1157 /* Scheduled scan */
1158 void iwl_mvm_rx_lmac_scan_complete_notif(struct iwl_mvm *mvm,
1159                                          struct iwl_rx_cmd_buffer *rxb);
1160 void iwl_mvm_rx_lmac_scan_iter_complete_notif(struct iwl_mvm *mvm,
1161                                               struct iwl_rx_cmd_buffer *rxb);
1162 int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm,
1163                              struct ieee80211_vif *vif,
1164                              struct cfg80211_sched_scan_request *req,
1165                              struct ieee80211_scan_ies *ies,
1166                              int type);
1167 void iwl_mvm_rx_scan_match_found(struct iwl_mvm *mvm,
1168                                  struct iwl_rx_cmd_buffer *rxb);
1169
1170 /* UMAC scan */
1171 int iwl_mvm_config_scan(struct iwl_mvm *mvm);
1172 void iwl_mvm_rx_umac_scan_complete_notif(struct iwl_mvm *mvm,
1173                                          struct iwl_rx_cmd_buffer *rxb);
1174 void iwl_mvm_rx_umac_scan_iter_complete_notif(struct iwl_mvm *mvm,
1175                                               struct iwl_rx_cmd_buffer *rxb);
1176
1177 /* MVM debugfs */
1178 #ifdef CONFIG_IWLWIFI_DEBUGFS
1179 int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir);
1180 void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1181 void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1182 #else
1183 static inline int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm,
1184                                          struct dentry *dbgfs_dir)
1185 {
1186         return 0;
1187 }
1188 static inline void
1189 iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1190 {
1191 }
1192 static inline void
1193 iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1194 {
1195 }
1196 #endif /* CONFIG_IWLWIFI_DEBUGFS */
1197
1198 /* rate scaling */
1199 int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool init);
1200 void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm, u32 rate, bool agg);
1201 int rs_pretty_print_rate(char *buf, const u32 rate);
1202 void rs_update_last_rssi(struct iwl_mvm *mvm,
1203                          struct iwl_lq_sta *lq_sta,
1204                          struct ieee80211_rx_status *rx_status);
1205
1206 /* power management */
1207 int iwl_mvm_power_update_device(struct iwl_mvm *mvm);
1208 int iwl_mvm_power_update_mac(struct iwl_mvm *mvm);
1209 int iwl_mvm_power_update_ps(struct iwl_mvm *mvm);
1210 int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1211                                  char *buf, int bufsz);
1212
1213 void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1214 void iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm,
1215                                               struct iwl_rx_cmd_buffer *rxb);
1216
1217 #ifdef CONFIG_IWLWIFI_LEDS
1218 int iwl_mvm_leds_init(struct iwl_mvm *mvm);
1219 void iwl_mvm_leds_exit(struct iwl_mvm *mvm);
1220 #else
1221 static inline int iwl_mvm_leds_init(struct iwl_mvm *mvm)
1222 {
1223         return 0;
1224 }
1225 static inline void iwl_mvm_leds_exit(struct iwl_mvm *mvm)
1226 {
1227 }
1228 #endif
1229
1230 /* D3 (WoWLAN, NetDetect) */
1231 int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan);
1232 int iwl_mvm_resume(struct ieee80211_hw *hw);
1233 void iwl_mvm_set_wakeup(struct ieee80211_hw *hw, bool enabled);
1234 void iwl_mvm_set_rekey_data(struct ieee80211_hw *hw,
1235                             struct ieee80211_vif *vif,
1236                             struct cfg80211_gtk_rekey_data *data);
1237 void iwl_mvm_ipv6_addr_change(struct ieee80211_hw *hw,
1238                               struct ieee80211_vif *vif,
1239                               struct inet6_dev *idev);
1240 void iwl_mvm_set_default_unicast_key(struct ieee80211_hw *hw,
1241                                      struct ieee80211_vif *vif, int idx);
1242 extern const struct file_operations iwl_dbgfs_d3_test_ops;
1243 #ifdef CONFIG_PM_SLEEP
1244 void iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm,
1245                                  struct ieee80211_vif *vif);
1246 #else
1247 static inline void
1248 iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1249 {
1250 }
1251 #endif
1252 void iwl_mvm_set_wowlan_qos_seq(struct iwl_mvm_sta *mvm_ap_sta,
1253                                 struct iwl_wowlan_config_cmd *cmd);
1254 int iwl_mvm_send_proto_offload(struct iwl_mvm *mvm,
1255                                struct ieee80211_vif *vif,
1256                                bool disable_offloading,
1257                                u32 cmd_flags);
1258
1259 /* D0i3 */
1260 void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1261 void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1262 int iwl_mvm_ref_sync(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1263 bool iwl_mvm_ref_taken(struct iwl_mvm *mvm);
1264 void iwl_mvm_d0i3_enable_tx(struct iwl_mvm *mvm, __le16 *qos_seq);
1265 int iwl_mvm_enter_d0i3(struct iwl_op_mode *op_mode);
1266 int iwl_mvm_exit_d0i3(struct iwl_op_mode *op_mode);
1267 int _iwl_mvm_exit_d0i3(struct iwl_mvm *mvm);
1268
1269 /* BT Coex */
1270 int iwl_send_bt_init_conf(struct iwl_mvm *mvm);
1271 void iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm,
1272                               struct iwl_rx_cmd_buffer *rxb);
1273 void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1274                            enum ieee80211_rssi_event_data);
1275 void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm);
1276 u16 iwl_mvm_coex_agg_time_limit(struct iwl_mvm *mvm,
1277                                 struct ieee80211_sta *sta);
1278 bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm,
1279                                      struct ieee80211_sta *sta);
1280 bool iwl_mvm_bt_coex_is_ant_avail(struct iwl_mvm *mvm, u8 ant);
1281 bool iwl_mvm_bt_coex_is_shared_ant_avail(struct iwl_mvm *mvm);
1282 bool iwl_mvm_bt_coex_is_tpc_allowed(struct iwl_mvm *mvm,
1283                                     enum ieee80211_band band);
1284 u8 iwl_mvm_bt_coex_tx_prio(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr,
1285                            struct ieee80211_tx_info *info, u8 ac);
1286
1287 bool iwl_mvm_bt_coex_is_shared_ant_avail_old(struct iwl_mvm *mvm);
1288 void iwl_mvm_bt_coex_vif_change_old(struct iwl_mvm *mvm);
1289 int iwl_send_bt_init_conf_old(struct iwl_mvm *mvm);
1290 void iwl_mvm_rx_bt_coex_notif_old(struct iwl_mvm *mvm,
1291                                   struct iwl_rx_cmd_buffer *rxb);
1292 void iwl_mvm_bt_rssi_event_old(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1293                                enum ieee80211_rssi_event_data);
1294 u16 iwl_mvm_coex_agg_time_limit_old(struct iwl_mvm *mvm,
1295                                     struct ieee80211_sta *sta);
1296 bool iwl_mvm_bt_coex_is_mimo_allowed_old(struct iwl_mvm *mvm,
1297                                          struct ieee80211_sta *sta);
1298 bool iwl_mvm_bt_coex_is_tpc_allowed_old(struct iwl_mvm *mvm,
1299                                         enum ieee80211_band band);
1300 void iwl_mvm_rx_ant_coupling_notif_old(struct iwl_mvm *mvm,
1301                                        struct iwl_rx_cmd_buffer *rxb);
1302
1303 /* beacon filtering */
1304 #ifdef CONFIG_IWLWIFI_DEBUGFS
1305 void
1306 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1307                                          struct iwl_beacon_filter_cmd *cmd);
1308 #else
1309 static inline void
1310 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1311                                          struct iwl_beacon_filter_cmd *cmd)
1312 {}
1313 #endif
1314 int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm,
1315                                    struct ieee80211_vif *vif,
1316                                    bool enable, u32 flags);
1317 int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
1318                                  struct ieee80211_vif *vif,
1319                                  u32 flags);
1320 int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
1321                                   struct ieee80211_vif *vif,
1322                                   u32 flags);
1323 /* SMPS */
1324 void iwl_mvm_update_smps(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1325                                 enum iwl_mvm_smps_type_request req_type,
1326                                 enum ieee80211_smps_mode smps_request);
1327 bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm *mvm);
1328
1329 /* Low latency */
1330 int iwl_mvm_update_low_latency(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1331                                bool value);
1332 /* get SystemLowLatencyMode - only needed for beacon threshold? */
1333 bool iwl_mvm_low_latency(struct iwl_mvm *mvm);
1334 /* get VMACLowLatencyMode */
1335 static inline bool iwl_mvm_vif_low_latency(struct iwl_mvm_vif *mvmvif)
1336 {
1337         /*
1338          * should this consider associated/active/... state?
1339          *
1340          * Normally low-latency should only be active on interfaces
1341          * that are active, but at least with debugfs it can also be
1342          * enabled on interfaces that aren't active. However, when
1343          * interface aren't active then they aren't added into the
1344          * binding, so this has no real impact. For now, just return
1345          * the current desired low-latency state.
1346          */
1347
1348         return mvmvif->low_latency;
1349 }
1350
1351 /* hw scheduler queue config */
1352 void iwl_mvm_enable_txq(struct iwl_mvm *mvm, int queue, u16 ssn,
1353                         const struct iwl_trans_txq_scd_cfg *cfg,
1354                         unsigned int wdg_timeout);
1355 void iwl_mvm_disable_txq(struct iwl_mvm *mvm, int queue, u8 flags);
1356
1357 static inline
1358 void iwl_mvm_enable_ac_txq(struct iwl_mvm *mvm, int queue,
1359                            u8 fifo, unsigned int wdg_timeout)
1360 {
1361         struct iwl_trans_txq_scd_cfg cfg = {
1362                 .fifo = fifo,
1363                 .tid = IWL_MAX_TID_COUNT,
1364                 .aggregate = false,
1365                 .frame_limit = IWL_FRAME_LIMIT,
1366         };
1367
1368         iwl_mvm_enable_txq(mvm, queue, 0, &cfg, wdg_timeout);
1369 }
1370
1371 static inline void iwl_mvm_enable_agg_txq(struct iwl_mvm *mvm, int queue,
1372                                           int fifo, int sta_id, int tid,
1373                                           int frame_limit, u16 ssn,
1374                                           unsigned int wdg_timeout)
1375 {
1376         struct iwl_trans_txq_scd_cfg cfg = {
1377                 .fifo = fifo,
1378                 .sta_id = sta_id,
1379                 .tid = tid,
1380                 .frame_limit = frame_limit,
1381                 .aggregate = true,
1382         };
1383
1384         iwl_mvm_enable_txq(mvm, queue, ssn, &cfg, wdg_timeout);
1385 }
1386
1387 /* Thermal management and CT-kill */
1388 void iwl_mvm_tt_tx_backoff(struct iwl_mvm *mvm, u32 backoff);
1389 void iwl_mvm_tt_temp_changed(struct iwl_mvm *mvm, u32 temp);
1390 void iwl_mvm_temp_notif(struct iwl_mvm *mvm,
1391                         struct iwl_rx_cmd_buffer *rxb);
1392 void iwl_mvm_tt_handler(struct iwl_mvm *mvm);
1393 void iwl_mvm_tt_initialize(struct iwl_mvm *mvm, u32 min_backoff);
1394 void iwl_mvm_tt_exit(struct iwl_mvm *mvm);
1395 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state);
1396 int iwl_mvm_get_temp(struct iwl_mvm *mvm);
1397
1398 /* Location Aware Regulatory */
1399 struct iwl_mcc_update_resp *
1400 iwl_mvm_update_mcc(struct iwl_mvm *mvm, const char *alpha2,
1401                    enum iwl_mcc_source src_id);
1402 int iwl_mvm_init_mcc(struct iwl_mvm *mvm);
1403 void iwl_mvm_rx_chub_update_mcc(struct iwl_mvm *mvm,
1404                                 struct iwl_rx_cmd_buffer *rxb);
1405 struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy,
1406                                                   const char *alpha2,
1407                                                   enum iwl_mcc_source src_id,
1408                                                   bool *changed);
1409 struct ieee80211_regdomain *iwl_mvm_get_current_regdomain(struct iwl_mvm *mvm,
1410                                                           bool *changed);
1411 int iwl_mvm_init_fw_regd(struct iwl_mvm *mvm);
1412 void iwl_mvm_update_changed_regdom(struct iwl_mvm *mvm);
1413
1414 /* smart fifo */
1415 int iwl_mvm_sf_update(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1416                       bool added_vif);
1417
1418 /* TDLS */
1419
1420 /*
1421  * We use TID 4 (VI) as a FW-used-only TID when TDLS connections are present.
1422  * This TID is marked as used vs the AP and all connected TDLS peers.
1423  */
1424 #define IWL_MVM_TDLS_FW_TID 4
1425
1426 int iwl_mvm_tdls_sta_count(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1427 void iwl_mvm_teardown_tdls_peers(struct iwl_mvm *mvm);
1428 void iwl_mvm_recalc_tdls_state(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1429                                bool sta_added);
1430 void iwl_mvm_mac_mgd_protect_tdls_discover(struct ieee80211_hw *hw,
1431                                            struct ieee80211_vif *vif);
1432 int iwl_mvm_tdls_channel_switch(struct ieee80211_hw *hw,
1433                                 struct ieee80211_vif *vif,
1434                                 struct ieee80211_sta *sta, u8 oper_class,
1435                                 struct cfg80211_chan_def *chandef,
1436                                 struct sk_buff *tmpl_skb, u32 ch_sw_tm_ie);
1437 void iwl_mvm_tdls_recv_channel_switch(struct ieee80211_hw *hw,
1438                                       struct ieee80211_vif *vif,
1439                                       struct ieee80211_tdls_ch_sw_params *params);
1440 void iwl_mvm_tdls_cancel_channel_switch(struct ieee80211_hw *hw,
1441                                         struct ieee80211_vif *vif,
1442                                         struct ieee80211_sta *sta);
1443 void iwl_mvm_rx_tdls_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1444 void iwl_mvm_tdls_ch_switch_work(struct work_struct *work);
1445
1446 struct ieee80211_vif *iwl_mvm_get_bss_vif(struct iwl_mvm *mvm);
1447
1448 void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error);
1449 void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm);
1450
1451 int iwl_mvm_start_fw_dbg_conf(struct iwl_mvm *mvm, u8 id);
1452 int iwl_mvm_fw_dbg_collect(struct iwl_mvm *mvm, enum iwl_fw_dbg_trigger trig,
1453                            const char *str, size_t len,
1454                            struct iwl_fw_dbg_trigger_tlv *trigger);
1455 int iwl_mvm_fw_dbg_collect_desc(struct iwl_mvm *mvm,
1456                                 struct iwl_mvm_dump_desc *desc,
1457                                 struct iwl_fw_dbg_trigger_tlv *trigger);
1458 void iwl_mvm_free_fw_dump_desc(struct iwl_mvm *mvm);
1459 int iwl_mvm_fw_dbg_collect_trig(struct iwl_mvm *mvm,
1460                                 struct iwl_fw_dbg_trigger_tlv *trigger,
1461                                 const char *fmt, ...) __printf(3, 4);
1462 unsigned int iwl_mvm_get_wd_timeout(struct iwl_mvm *mvm,
1463                                     struct ieee80211_vif *vif,
1464                                     bool tdls, bool cmd_q);
1465 void iwl_mvm_connection_loss(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1466                              const char *errmsg);
1467 static inline bool
1468 iwl_fw_dbg_trigger_vif_match(struct iwl_fw_dbg_trigger_tlv *trig,
1469                              struct ieee80211_vif *vif)
1470 {
1471         u32 trig_vif = le32_to_cpu(trig->vif_type);
1472
1473         return trig_vif == IWL_FW_DBG_CONF_VIF_ANY || vif->type == trig_vif;
1474 }
1475
1476 static inline bool
1477 iwl_fw_dbg_trigger_stop_conf_match(struct iwl_mvm *mvm,
1478                                    struct iwl_fw_dbg_trigger_tlv *trig)
1479 {
1480         return ((trig->mode & IWL_FW_DBG_TRIGGER_STOP) &&
1481                 (mvm->fw_dbg_conf == FW_DBG_INVALID ||
1482                 (BIT(mvm->fw_dbg_conf) & le32_to_cpu(trig->stop_conf_ids))));
1483 }
1484
1485 static inline bool
1486 iwl_fw_dbg_trigger_check_stop(struct iwl_mvm *mvm,
1487                               struct ieee80211_vif *vif,
1488                               struct iwl_fw_dbg_trigger_tlv *trig)
1489 {
1490         if (vif && !iwl_fw_dbg_trigger_vif_match(trig, vif))
1491                 return false;
1492
1493         return iwl_fw_dbg_trigger_stop_conf_match(mvm, trig);
1494 }
1495
1496 static inline void
1497 iwl_fw_dbg_trigger_simple_stop(struct iwl_mvm *mvm,
1498                                struct ieee80211_vif *vif,
1499                                enum iwl_fw_dbg_trigger trig)
1500 {
1501         struct iwl_fw_dbg_trigger_tlv *trigger;
1502
1503         if (!iwl_fw_dbg_trigger_enabled(mvm->fw, trig))
1504                 return;
1505
1506         trigger = iwl_fw_dbg_get_trigger(mvm->fw, trig);
1507         if (!iwl_fw_dbg_trigger_check_stop(mvm, vif, trigger))
1508                 return;
1509
1510         iwl_mvm_fw_dbg_collect_trig(mvm, trigger, NULL);
1511 }
1512
1513 #endif /* __IWL_MVM_H__ */