drivers/net/wireless/intel/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_MVM_MAX_ADDRESSES           5
  86 /* RSSI offset for WkP */
  87 #define IWL_RSSI_OFFSET 50
  88 #define IWL_MVM_MISSED_BEACONS_THRESHOLD 8
  89 /* A TimeUnit is 1024 microsecond */
  90 #define MSEC_TO_TU(_msec)       (_msec*1000/1024)
  91
  92 /* For GO, this value represents the number of TUs before CSA "beacon
  93  * 0" TBTT when the CSA time-event needs to be scheduled to start.  It
  94  * must be big enough to ensure that we switch in time.
  95  */
  96 #define IWL_MVM_CHANNEL_SWITCH_TIME_GO          40
  97
  98 /* For client, this value represents the number of TUs before CSA
  99  * "beacon 1" TBTT, instead.  This is because we don't know when the
 100  * GO/AP will be in the new channel, so we switch early enough.
 101  */
 102 #define IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT      10
 103
 104 /*
 105  * This value (in TUs) is used to fine tune the CSA NoA end time which should
 106  * be just before "beacon 0" TBTT.
 107  */
 108 #define IWL_MVM_CHANNEL_SWITCH_MARGIN 4
 109
 110 /*
 111  * Number of beacons to transmit on a new channel until we unblock tx to
 112  * the stations, even if we didn't identify them on a new channel
 113  */
 114 #define IWL_MVM_CS_UNBLOCK_TX_TIMEOUT 3
 115
 116 extern const struct ieee80211_ops iwl_mvm_hw_ops;
 117
 118 /**
 119  * struct iwl_mvm_mod_params - module parameters for iwlmvm
 120  * @init_dbg: if true, then the NIC won't be stopped if the INIT fw asserted.
 121  *      We will register to mac80211 to have testmode working. The NIC must not
 122  *      be up'ed after the INIT fw asserted. This is useful to be able to use
 123  *      proprietary tools over testmode to debug the INIT fw.
 124  * @tfd_q_hang_detect: enabled the detection of hung transmit queues
 125  * @power_scheme: one of enum iwl_power_scheme
 126  */
 127 struct iwl_mvm_mod_params {
 128         bool init_dbg;
 129         bool tfd_q_hang_detect;
 130         int power_scheme;
 131 };
 132 extern struct iwl_mvm_mod_params iwlmvm_mod_params;
 133
 134 /**
 135  * struct iwl_mvm_dump_ptrs - set of pointers needed for the fw-error-dump
 136  *
 137  * @op_mode_ptr: pointer to the buffer coming from the mvm op_mode
 138  * @trans_ptr: pointer to struct %iwl_trans_dump_data which contains the
 139  *      transport's data.
 140  * @trans_len: length of the valid data in trans_ptr
 141  * @op_mode_len: length of the valid data in op_mode_ptr
 142  */
 143 struct iwl_mvm_dump_ptrs {
 144         struct iwl_trans_dump_data *trans_ptr;
 145         void *op_mode_ptr;
 146         u32 op_mode_len;
 147 };
 148
 149 /**
 150  * struct iwl_mvm_dump_desc - describes the dump
 151  * @len: length of trig_desc->data
 152  * @trig_desc: the description of the dump
 153  */
 154 struct iwl_mvm_dump_desc {
 155         size_t len;
 156         /* must be last */
 157         struct iwl_fw_error_dump_trigger_desc trig_desc;
 158 };
 159
 160 extern const struct iwl_mvm_dump_desc iwl_mvm_dump_desc_assert;
 161
 162 struct iwl_mvm_phy_ctxt {
 163         u16 id;
 164         u16 color;
 165         u32 ref;
 166
 167         /*
 168          * TODO: This should probably be removed. Currently here only for rate
 169          * scaling algorithm
 170          */
 171         struct ieee80211_channel *channel;
 172 };
 173
 174 struct iwl_mvm_time_event_data {
 175         struct ieee80211_vif *vif;
 176         struct list_head list;
 177         unsigned long end_jiffies;
 178         u32 duration;
 179         bool running;
 180         u32 uid;
 181
 182         /*
 183          * The access to the 'id' field must be done when the
 184          * mvm->time_event_lock is held, as it value is used to indicate
 185          * if the te is in the time event list or not (when id == TE_MAX)
 186          */
 187         u32 id;
 188 };
 189
 190  /* Power management */
 191
 192 /**
 193  * enum iwl_power_scheme
 194  * @IWL_POWER_LEVEL_CAM - Continuously Active Mode
 195  * @IWL_POWER_LEVEL_BPS - Balanced Power Save (default)
 196  * @IWL_POWER_LEVEL_LP  - Low Power
 197  */
 198 enum iwl_power_scheme {
 199         IWL_POWER_SCHEME_CAM = 1,
 200         IWL_POWER_SCHEME_BPS,
 201         IWL_POWER_SCHEME_LP
 202 };
 203
 204 #define IWL_CONN_MAX_LISTEN_INTERVAL    10
 205 #define IWL_UAPSD_MAX_SP                IEEE80211_WMM_IE_STA_QOSINFO_SP_2
 206
 207 #ifdef CONFIG_IWLWIFI_DEBUGFS
 208 enum iwl_dbgfs_pm_mask {
 209         MVM_DEBUGFS_PM_KEEP_ALIVE = BIT(0),
 210         MVM_DEBUGFS_PM_SKIP_OVER_DTIM = BIT(1),
 211         MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS = BIT(2),
 212         MVM_DEBUGFS_PM_RX_DATA_TIMEOUT = BIT(3),
 213         MVM_DEBUGFS_PM_TX_DATA_TIMEOUT = BIT(4),
 214         MVM_DEBUGFS_PM_LPRX_ENA = BIT(6),
 215         MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD = BIT(7),
 216         MVM_DEBUGFS_PM_SNOOZE_ENABLE = BIT(8),
 217         MVM_DEBUGFS_PM_UAPSD_MISBEHAVING = BIT(9),
 218         MVM_DEBUGFS_PM_USE_PS_POLL = BIT(10),
 219 };
 220
 221 struct iwl_dbgfs_pm {
 222         u16 keep_alive_seconds;
 223         u32 rx_data_timeout;
 224         u32 tx_data_timeout;
 225         bool skip_over_dtim;
 226         u8 skip_dtim_periods;
 227         bool lprx_ena;
 228         u32 lprx_rssi_threshold;
 229         bool snooze_ena;
 230         bool uapsd_misbehaving;
 231         bool use_ps_poll;
 232         int mask;
 233 };
 234
 235 /* beacon filtering */
 236
 237 enum iwl_dbgfs_bf_mask {
 238         MVM_DEBUGFS_BF_ENERGY_DELTA = BIT(0),
 239         MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA = BIT(1),
 240         MVM_DEBUGFS_BF_ROAMING_STATE = BIT(2),
 241         MVM_DEBUGFS_BF_TEMP_THRESHOLD = BIT(3),
 242         MVM_DEBUGFS_BF_TEMP_FAST_FILTER = BIT(4),
 243         MVM_DEBUGFS_BF_TEMP_SLOW_FILTER = BIT(5),
 244         MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER = BIT(6),
 245         MVM_DEBUGFS_BF_DEBUG_FLAG = BIT(7),
 246         MVM_DEBUGFS_BF_ESCAPE_TIMER = BIT(8),
 247         MVM_DEBUGFS_BA_ESCAPE_TIMER = BIT(9),
 248         MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT = BIT(10),
 249 };
 250
 251 struct iwl_dbgfs_bf {
 252         u32 bf_energy_delta;
 253         u32 bf_roaming_energy_delta;
 254         u32 bf_roaming_state;
 255         u32 bf_temp_threshold;
 256         u32 bf_temp_fast_filter;
 257         u32 bf_temp_slow_filter;
 258         u32 bf_enable_beacon_filter;
 259         u32 bf_debug_flag;
 260         u32 bf_escape_timer;
 261         u32 ba_escape_timer;
 262         u32 ba_enable_beacon_abort;
 263         int mask;
 264 };
 265 #endif
 266
 267 enum iwl_mvm_smps_type_request {
 268         IWL_MVM_SMPS_REQ_BT_COEX,
 269         IWL_MVM_SMPS_REQ_TT,
 270         IWL_MVM_SMPS_REQ_PROT,
 271         NUM_IWL_MVM_SMPS_REQ,
 272 };
 273
 274 enum iwl_mvm_ref_type {
 275         IWL_MVM_REF_UCODE_DOWN,
 276         IWL_MVM_REF_SCAN,
 277         IWL_MVM_REF_ROC,
 278         IWL_MVM_REF_ROC_AUX,
 279         IWL_MVM_REF_P2P_CLIENT,
 280         IWL_MVM_REF_AP_IBSS,
 281         IWL_MVM_REF_USER,
 282         IWL_MVM_REF_TX,
 283         IWL_MVM_REF_TX_AGG,
 284         IWL_MVM_REF_ADD_IF,
 285         IWL_MVM_REF_START_AP,
 286         IWL_MVM_REF_BSS_CHANGED,
 287         IWL_MVM_REF_PREPARE_TX,
 288         IWL_MVM_REF_PROTECT_TDLS,
 289         IWL_MVM_REF_CHECK_CTKILL,
 290         IWL_MVM_REF_PRPH_READ,
 291         IWL_MVM_REF_PRPH_WRITE,
 292         IWL_MVM_REF_NMI,
 293         IWL_MVM_REF_TM_CMD,
 294         IWL_MVM_REF_EXIT_WORK,
 295         IWL_MVM_REF_PROTECT_CSA,
 296         IWL_MVM_REF_FW_DBG_COLLECT,
 297         IWL_MVM_REF_INIT_UCODE,
 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
 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         unsigned long tentative_addrs[BITS_TO_LONGS(IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_MAX)];
 426         int num_target_ipv6_addrs;
 427 #endif
 428
 429 #ifdef CONFIG_IWLWIFI_DEBUGFS
 430         struct dentry *dbgfs_dir;
 431         struct dentry *dbgfs_slink;
 432         struct iwl_dbgfs_pm dbgfs_pm;
 433         struct iwl_dbgfs_bf dbgfs_bf;
 434         struct iwl_mac_power_cmd mac_pwr_cmd;
 435 #endif
 436
 437         enum ieee80211_smps_mode smps_requests[NUM_IWL_MVM_SMPS_REQ];
 438
 439         /* FW identified misbehaving AP */
 440         u8 uapsd_misbehaving_bssid[ETH_ALEN];
 441
 442         /* Indicates that CSA countdown may be started */
 443         bool csa_countdown;
 444         bool csa_failed;
 445
 446         /* TCP Checksum Offload */
 447         netdev_features_t features;
 448 };
 449
 450 static inline struct iwl_mvm_vif *
 451 iwl_mvm_vif_from_mac80211(struct ieee80211_vif *vif)
 452 {
 453         return (void *)vif->drv_priv;
 454 }
 455
 456 extern const u8 tid_to_mac80211_ac[];
 457
 458 #define IWL_MVM_SCAN_STOPPING_SHIFT     8
 459
 460 enum iwl_scan_status {
 461         IWL_MVM_SCAN_REGULAR            = BIT(0),
 462         IWL_MVM_SCAN_SCHED              = BIT(1),
 463         IWL_MVM_SCAN_NETDETECT          = BIT(2),
 464
 465         IWL_MVM_SCAN_STOPPING_REGULAR   = BIT(8),
 466         IWL_MVM_SCAN_STOPPING_SCHED     = BIT(9),
 467         IWL_MVM_SCAN_STOPPING_NETDETECT = BIT(10),
 468
 469         IWL_MVM_SCAN_REGULAR_MASK       = IWL_MVM_SCAN_REGULAR |
 470                                           IWL_MVM_SCAN_STOPPING_REGULAR,
 471         IWL_MVM_SCAN_SCHED_MASK         = IWL_MVM_SCAN_SCHED |
 472                                           IWL_MVM_SCAN_STOPPING_SCHED,
 473         IWL_MVM_SCAN_NETDETECT_MASK     = IWL_MVM_SCAN_NETDETECT |
 474                                           IWL_MVM_SCAN_STOPPING_NETDETECT,
 475
 476         IWL_MVM_SCAN_STOPPING_MASK      = 0xff << IWL_MVM_SCAN_STOPPING_SHIFT,
 477         IWL_MVM_SCAN_MASK               = 0xff,
 478 };
 479
 480 enum iwl_mvm_scan_type {
 481         IWL_SCAN_TYPE_NOT_SET,
 482         IWL_SCAN_TYPE_UNASSOC,
 483         IWL_SCAN_TYPE_WILD,
 484         IWL_SCAN_TYPE_MILD,
 485         IWL_SCAN_TYPE_FRAGMENTED,
 486 };
 487
 488 /**
 489  * struct iwl_nvm_section - describes an NVM section in memory.
 490  *
 491  * This struct holds an NVM section read from the NIC using NVM_ACCESS_CMD,
 492  * and saved for later use by the driver. Not all NVM sections are saved
 493  * this way, only the needed ones.
 494  */
 495 struct iwl_nvm_section {
 496         u16 length;
 497         const u8 *data;
 498 };
 499
 500 /**
 501  * struct iwl_mvm_tt_mgnt - Thermal Throttling Management structure
 502  * @ct_kill_exit: worker to exit thermal kill
 503  * @dynamic_smps: Is thermal throttling enabled dynamic_smps?
 504  * @tx_backoff: The current thremal throttling tx backoff in uSec.
 505  * @min_backoff: The minimal tx backoff due to power restrictions
 506  * @params: Parameters to configure the thermal throttling algorithm.
 507  * @throttle: Is thermal throttling is active?
 508  */
 509 struct iwl_mvm_tt_mgmt {
 510         struct delayed_work ct_kill_exit;
 511         bool dynamic_smps;
 512         u32 tx_backoff;
 513         u32 min_backoff;
 514         struct iwl_tt_params params;
 515         bool throttle;
 516 };
 517
 518 #define IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES 8
 519
 520 struct iwl_mvm_frame_stats {
 521         u32 legacy_frames;
 522         u32 ht_frames;
 523         u32 vht_frames;
 524         u32 bw_20_frames;
 525         u32 bw_40_frames;
 526         u32 bw_80_frames;
 527         u32 bw_160_frames;
 528         u32 sgi_frames;
 529         u32 ngi_frames;
 530         u32 siso_frames;
 531         u32 mimo2_frames;
 532         u32 agg_frames;
 533         u32 ampdu_count;
 534         u32 success_frames;
 535         u32 fail_frames;
 536         u32 last_rates[IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES];
 537         int last_frame_idx;
 538 };
 539
 540 enum {
 541         D0I3_DEFER_WAKEUP,
 542         D0I3_PENDING_WAKEUP,
 543 };
 544
 545 #define IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE 0xff
 546 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MIN -100
 547 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MAX 200
 548
 549 enum iwl_mvm_tdls_cs_state {
 550         IWL_MVM_TDLS_SW_IDLE = 0,
 551         IWL_MVM_TDLS_SW_REQ_SENT,
 552         IWL_MVM_TDLS_SW_RESP_RCVD,
 553         IWL_MVM_TDLS_SW_REQ_RCVD,
 554         IWL_MVM_TDLS_SW_ACTIVE,
 555 };
 556
 557 struct iwl_mvm_shared_mem_cfg {
 558         u32 shared_mem_addr;
 559         u32 shared_mem_size;
 560         u32 sample_buff_addr;
 561         u32 sample_buff_size;
 562         u32 txfifo_addr;
 563         u32 txfifo_size[TX_FIFO_MAX_NUM];
 564         u32 rxfifo_size[RX_FIFO_MAX_NUM];
 565         u32 page_buff_addr;
 566         u32 page_buff_size;
 567 };
 568
 569 struct iwl_mvm {
 570         /* for logger access */
 571         struct device *dev;
 572
 573         struct iwl_trans *trans;
 574         const struct iwl_fw *fw;
 575         const struct iwl_cfg *cfg;
 576         struct iwl_phy_db *phy_db;
 577         struct ieee80211_hw *hw;
 578
 579         /* for protecting access to iwl_mvm */
 580         struct mutex mutex;
 581         struct list_head async_handlers_list;
 582         spinlock_t async_handlers_lock;
 583         struct work_struct async_handlers_wk;
 584
 585         struct work_struct roc_done_wk;
 586
 587         unsigned long status;
 588
 589         /*
 590          * for beacon filtering -
 591          * currently only one interface can be supported
 592          */
 593         struct iwl_mvm_vif *bf_allowed_vif;
 594
 595         enum iwl_ucode_type cur_ucode;
 596         bool ucode_loaded;
 597         bool calibrating;
 598         u32 error_event_table;
 599         u32 log_event_table;
 600         u32 umac_error_event_table;
 601         bool support_umac_log;
 602         struct iwl_sf_region sf_space;
 603
 604         u32 ampdu_ref;
 605
 606         struct iwl_notif_wait_data notif_wait;
 607
 608         struct mvm_statistics_rx rx_stats;
 609
 610         struct {
 611                 u64 rx_time;
 612                 u64 tx_time;
 613                 u64 on_time_rf;
 614                 u64 on_time_scan;
 615         } radio_stats, accu_radio_stats;
 616
 617         struct {
 618                 /* Map to HW queue */
 619                 u32 hw_queue_to_mac80211;
 620                 u8 hw_queue_refcount;
 621                 bool setup_reserved;
 622                 u16 tid_bitmap; /* Bitmap of the TIDs mapped to this queue */
 623         } queue_info[IWL_MAX_HW_QUEUES];
 624         spinlock_t queue_info_lock; /* For syncing queue mgmt operations */
 625         atomic_t mac80211_queue_stop_count[IEEE80211_MAX_QUEUES];
 626
 627         const char *nvm_file_name;
 628         struct iwl_nvm_data *nvm_data;
 629         /* NVM sections */
 630         struct iwl_nvm_section nvm_sections[NVM_MAX_NUM_SECTIONS];
 631
 632         /* Paging section */
 633         struct iwl_fw_paging fw_paging_db[NUM_OF_FW_PAGING_BLOCKS];
 634         u16 num_of_paging_blk;
 635         u16 num_of_pages_in_last_blk;
 636
 637         /* EEPROM MAC addresses */
 638         struct mac_address addresses[IWL_MVM_MAX_ADDRESSES];
 639
 640         /* data related to data path */
 641         struct iwl_rx_phy_info last_phy_info;
 642         struct ieee80211_sta __rcu *fw_id_to_mac_id[IWL_MVM_STATION_COUNT];
 643         struct work_struct sta_drained_wk;
 644         unsigned long sta_drained[BITS_TO_LONGS(IWL_MVM_STATION_COUNT)];
 645         atomic_t pending_frames[IWL_MVM_STATION_COUNT];
 646         u32 tfd_drained[IWL_MVM_STATION_COUNT];
 647         u8 rx_ba_sessions;
 648
 649         /* configured by mac80211 */
 650         u32 rts_threshold;
 651
 652         /* Scan status, cmd (pre-allocated) and auxiliary station */
 653         unsigned int scan_status;
 654         void *scan_cmd;
 655         struct iwl_mcast_filter_cmd *mcast_filter_cmd;
 656         enum iwl_mvm_scan_type scan_type;
 657
 658         /* max number of simultaneous scans the FW supports */
 659         unsigned int max_scans;
 660
 661         /* ts of the beginning of a non-collect fw dbg data period */
 662         unsigned long fw_dbg_non_collect_ts_start[FW_DBG_TRIGGER_MAX - 1];
 663
 664         /* UMAC scan tracking */
 665         u32 scan_uid_status[IWL_MVM_MAX_UMAC_SCANS];
 666
 667         /* rx chain antennas set through debugfs for the scan command */
 668         u8 scan_rx_ant;
 669
 670 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
 671         /* broadcast filters to configure for each associated station */
 672         const struct iwl_fw_bcast_filter *bcast_filters;
 673 #ifdef CONFIG_IWLWIFI_DEBUGFS
 674         struct {
 675                 bool override;
 676                 struct iwl_bcast_filter_cmd cmd;
 677         } dbgfs_bcast_filtering;
 678 #endif
 679 #endif
 680
 681         /* Internal station */
 682         struct iwl_mvm_int_sta aux_sta;
 683         struct iwl_mvm_int_sta snif_sta;
 684
 685         bool last_ebs_successful;
 686
 687         u8 scan_last_antenna_idx; /* to toggle TX between antennas */
 688         u8 mgmt_last_antenna_idx;
 689
 690         /* last smart fifo state that was successfully sent to firmware */
 691         enum iwl_sf_state sf_state;
 692
 693 #ifdef CONFIG_IWLWIFI_DEBUGFS
 694         struct dentry *debugfs_dir;
 695         u32 dbgfs_sram_offset, dbgfs_sram_len;
 696         u32 dbgfs_prph_reg_addr;
 697         bool disable_power_off;
 698         bool disable_power_off_d3;
 699
 700         bool scan_iter_notif_enabled;
 701
 702         struct debugfs_blob_wrapper nvm_hw_blob;
 703         struct debugfs_blob_wrapper nvm_sw_blob;
 704         struct debugfs_blob_wrapper nvm_calib_blob;
 705         struct debugfs_blob_wrapper nvm_prod_blob;
 706         struct debugfs_blob_wrapper nvm_phy_sku_blob;
 707
 708         struct iwl_mvm_frame_stats drv_rx_stats;
 709         spinlock_t drv_stats_lock;
 710         u16 dbgfs_rx_phyinfo;
 711 #endif
 712
 713         struct iwl_mvm_phy_ctxt phy_ctxts[NUM_PHY_CTX];
 714
 715         struct list_head time_event_list;
 716         spinlock_t time_event_lock;
 717
 718         /*
 719          * A bitmap indicating the index of the key in use. The firmware
 720          * can hold 16 keys at most. Reflect this fact.
 721          */
 722         unsigned long fw_key_table[BITS_TO_LONGS(STA_KEY_MAX_NUM)];
 723         u8 fw_key_deleted[STA_KEY_MAX_NUM];
 724
 725         /* references taken by the driver and spinlock protecting them */
 726         spinlock_t refs_lock;
 727         u8 refs[IWL_MVM_REF_COUNT];
 728
 729         u8 vif_count;
 730
 731         /* -1 for always, 0 for never, >0 for that many times */
 732         s8 restart_fw;
 733         u8 fw_dbg_conf;
 734         struct delayed_work fw_dump_wk;
 735         const struct iwl_mvm_dump_desc *fw_dump_desc;
 736         const struct iwl_fw_dbg_trigger_tlv *fw_dump_trig;
 737
 738 #ifdef CONFIG_IWLWIFI_LEDS
 739         struct led_classdev led;
 740 #endif
 741
 742         struct ieee80211_vif *p2p_device_vif;
 743
 744 #ifdef CONFIG_PM
 745         struct wiphy_wowlan_support wowlan;
 746         int gtk_ivlen, gtk_icvlen, ptk_ivlen, ptk_icvlen;
 747
 748         /* sched scan settings for net detect */
 749         struct ieee80211_scan_ies nd_ies;
 750         struct cfg80211_match_set *nd_match_sets;
 751         int n_nd_match_sets;
 752         struct ieee80211_channel **nd_channels;
 753         int n_nd_channels;
 754         bool net_detect;
 755 #ifdef CONFIG_IWLWIFI_DEBUGFS
 756         bool d3_wake_sysassert;
 757         bool d3_test_active;
 758         bool store_d3_resume_sram;
 759         void *d3_resume_sram;
 760         u32 d3_test_pme_ptr;
 761         struct ieee80211_vif *keep_vif;
 762         u32 last_netdetect_scans; /* no. of scans in the last net-detect wake */
 763 #endif
 764 #endif
 765
 766         /* d0i3 */
 767         u8 d0i3_ap_sta_id;
 768         bool d0i3_offloading;
 769         struct work_struct d0i3_exit_work;
 770         struct sk_buff_head d0i3_tx;
 771         /* protect d0i3_suspend_flags */
 772         struct mutex d0i3_suspend_mutex;
 773         unsigned long d0i3_suspend_flags;
 774         /* sync d0i3_tx queue and IWL_MVM_STATUS_IN_D0I3 status flag */
 775         spinlock_t d0i3_tx_lock;
 776         wait_queue_head_t d0i3_exit_waitq;
 777
 778         /* BT-Coex */
 779         u8 bt_ack_kill_msk[NUM_PHY_CTX];
 780         u8 bt_cts_kill_msk[NUM_PHY_CTX];
 781
 782         struct iwl_bt_coex_profile_notif_old last_bt_notif_old;
 783         struct iwl_bt_coex_ci_cmd_old last_bt_ci_cmd_old;
 784         struct iwl_bt_coex_profile_notif last_bt_notif;
 785         struct iwl_bt_coex_ci_cmd last_bt_ci_cmd;
 786
 787         u32 last_ant_isol;
 788         u8 last_corun_lut;
 789         u8 bt_tx_prio;
 790         enum iwl_bt_force_ant_mode bt_force_ant_mode;
 791
 792         /* Aux ROC */
 793         struct list_head aux_roc_te_list;
 794
 795         /* Thermal Throttling and CTkill */
 796         struct iwl_mvm_tt_mgmt thermal_throttle;
 797         s32 temperature;        /* Celsius */
 798         /*
 799          * Debug option to set the NIC temperature. This option makes the
 800          * driver think this is the actual NIC temperature, and ignore the
 801          * real temperature that is received from the fw
 802          */
 803         bool temperature_test;  /* Debug test temperature is enabled */
 804
 805         struct iwl_time_quota_cmd last_quota_cmd;
 806
 807 #ifdef CONFIG_NL80211_TESTMODE
 808         u32 noa_duration;
 809         struct ieee80211_vif *noa_vif;
 810 #endif
 811
 812         /* Tx queues */
 813         u8 aux_queue;
 814         u8 first_agg_queue;
 815         u8 last_agg_queue;
 816
 817         /* Indicate if device power save is allowed */
 818         u8 ps_disabled; /* u8 instead of bool to ease debugfs_create_* usage */
 819
 820         struct ieee80211_vif __rcu *csa_vif;
 821         struct ieee80211_vif __rcu *csa_tx_blocked_vif;
 822         u8 csa_tx_block_bcn_timeout;
 823
 824         /* system time of last beacon (for AP/GO interface) */
 825         u32 ap_last_beacon_gp2;
 826
 827         bool lar_regdom_set;
 828         enum iwl_mcc_source mcc_src;
 829
 830         /* TDLS channel switch data */
 831         struct {
 832                 struct delayed_work dwork;
 833                 enum iwl_mvm_tdls_cs_state state;
 834
 835                 /*
 836                  * Current cs sta - might be different from periodic cs peer
 837                  * station. Value is meaningless when the cs-state is idle.
 838                  */
 839                 u8 cur_sta_id;
 840
 841                 /* TDLS periodic channel-switch peer */
 842                 struct {
 843                         u8 sta_id;
 844                         u8 op_class;
 845                         bool initiator; /* are we the link initiator */
 846                         struct cfg80211_chan_def chandef;
 847                         struct sk_buff *skb; /* ch sw template */
 848                         u32 ch_sw_tm_ie;
 849
 850                         /* timestamp of last ch-sw request sent (GP2 time) */
 851                         u32 sent_timestamp;
 852                 } peer;
 853         } tdls_cs;
 854
 855         struct iwl_mvm_shared_mem_cfg shared_mem_cfg;
 856
 857         u32 ciphers[6];
 858         struct iwl_mvm_tof_data tof_data;
 859 };
 860
 861 /* Extract MVM priv from op_mode and _hw */
 862 #define IWL_OP_MODE_GET_MVM(_iwl_op_mode)               \
 863         ((struct iwl_mvm *)(_iwl_op_mode)->op_mode_specific)
 864
 865 #define IWL_MAC80211_GET_MVM(_hw)                       \
 866         IWL_OP_MODE_GET_MVM((struct iwl_op_mode *)((_hw)->priv))
 867
 868 enum iwl_mvm_status {
 869         IWL_MVM_STATUS_HW_RFKILL,
 870         IWL_MVM_STATUS_HW_CTKILL,
 871         IWL_MVM_STATUS_ROC_RUNNING,
 872         IWL_MVM_STATUS_IN_HW_RESTART,
 873         IWL_MVM_STATUS_IN_D0I3,
 874         IWL_MVM_STATUS_ROC_AUX_RUNNING,
 875         IWL_MVM_STATUS_D3_RECONFIG,
 876         IWL_MVM_STATUS_DUMPING_FW_LOG,
 877 };
 878
 879 static inline bool iwl_mvm_is_radio_killed(struct iwl_mvm *mvm)
 880 {
 881         return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status) ||
 882                test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
 883 }
 884
 885 static inline bool iwl_mvm_is_radio_hw_killed(struct iwl_mvm *mvm)
 886 {
 887         return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status);
 888 }
 889
 890 /* Must be called with rcu_read_lock() held and it can only be
 891  * released when mvmsta is not needed anymore.
 892  */
 893 static inline struct iwl_mvm_sta *
 894 iwl_mvm_sta_from_staid_rcu(struct iwl_mvm *mvm, u8 sta_id)
 895 {
 896         struct ieee80211_sta *sta;
 897
 898         if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
 899                 return NULL;
 900
 901         sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
 902
 903         /* This can happen if the station has been removed right now */
 904         if (IS_ERR_OR_NULL(sta))
 905                 return NULL;
 906
 907         return iwl_mvm_sta_from_mac80211(sta);
 908 }
 909
 910 static inline struct iwl_mvm_sta *
 911 iwl_mvm_sta_from_staid_protected(struct iwl_mvm *mvm, u8 sta_id)
 912 {
 913         struct ieee80211_sta *sta;
 914
 915         if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
 916                 return NULL;
 917
 918         sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id],
 919                                         lockdep_is_held(&mvm->mutex));
 920
 921         /* This can happen if the station has been removed right now */
 922         if (IS_ERR_OR_NULL(sta))
 923                 return NULL;
 924
 925         return iwl_mvm_sta_from_mac80211(sta);
 926 }
 927
 928 static inline bool iwl_mvm_is_d0i3_supported(struct iwl_mvm *mvm)
 929 {
 930         return !iwlwifi_mod_params.d0i3_disable &&
 931                 fw_has_capa(&mvm->fw->ucode_capa,
 932                             IWL_UCODE_TLV_CAPA_D0I3_SUPPORT);
 933 }
 934
 935 static inline bool iwl_mvm_is_dqa_supported(struct iwl_mvm *mvm)
 936 {
 937         return fw_has_capa(&mvm->fw->ucode_capa,
 938                            IWL_UCODE_TLV_CAPA_DQA_SUPPORT);
 939 }
 940
 941 static inline bool iwl_mvm_enter_d0i3_on_suspend(struct iwl_mvm *mvm)
 942 {
 943         /* For now we only use this mode to differentiate between
 944          * slave transports, which handle D0i3 entry in suspend by
 945          * themselves in conjunction with runtime PM D0i3.  So, this
 946          * function is used to check whether we need to do anything
 947          * when entering suspend or if the transport layer has already
 948          * done it.
 949          */
 950         return (mvm->trans->system_pm_mode == IWL_PLAT_PM_MODE_D0I3) &&
 951                 (mvm->trans->runtime_pm_mode != IWL_PLAT_PM_MODE_D0I3);
 952 }
 953
 954 static inline bool iwl_mvm_is_lar_supported(struct iwl_mvm *mvm)
 955 {
 956         bool nvm_lar = mvm->nvm_data->lar_enabled;
 957         bool tlv_lar = fw_has_capa(&mvm->fw->ucode_capa,
 958                                    IWL_UCODE_TLV_CAPA_LAR_SUPPORT);
 959
 960         if (iwlwifi_mod_params.lar_disable)
 961                 return false;
 962
 963         /*
 964          * Enable LAR only if it is supported by the FW (TLV) &&
 965          * enabled in the NVM
 966          */
 967         if (mvm->cfg->device_family == IWL_DEVICE_FAMILY_8000)
 968                 return nvm_lar && tlv_lar;
 969         else
 970                 return tlv_lar;
 971 }
 972
 973 static inline bool iwl_mvm_is_wifi_mcc_supported(struct iwl_mvm *mvm)
 974 {
 975         return fw_has_api(&mvm->fw->ucode_capa,
 976                           IWL_UCODE_TLV_API_WIFI_MCC_UPDATE) ||
 977                fw_has_capa(&mvm->fw->ucode_capa,
 978                            IWL_UCODE_TLV_CAPA_LAR_MULTI_MCC);
 979 }
 980
 981 static inline bool iwl_mvm_bt_is_plcr_supported(struct iwl_mvm *mvm)
 982 {
 983         return fw_has_capa(&mvm->fw->ucode_capa,
 984                            IWL_UCODE_TLV_CAPA_BT_COEX_PLCR) &&
 985                 IWL_MVM_BT_COEX_CORUNNING;
 986 }
 987
 988 static inline bool iwl_mvm_bt_is_rrc_supported(struct iwl_mvm *mvm)
 989 {
 990         return fw_has_capa(&mvm->fw->ucode_capa,
 991                            IWL_UCODE_TLV_CAPA_BT_COEX_RRC) &&
 992                 IWL_MVM_BT_COEX_RRC;
 993 }
 994
 995 static inline bool iwl_mvm_is_csum_supported(struct iwl_mvm *mvm)
 996 {
 997         return fw_has_capa(&mvm->fw->ucode_capa,
 998                            IWL_UCODE_TLV_CAPA_CSUM_SUPPORT);
 999 }
1000
1001 static inline bool iwl_mvm_is_mplut_supported(struct iwl_mvm *mvm)
1002 {
1003         return fw_has_capa(&mvm->fw->ucode_capa,
1004                            IWL_UCODE_TLV_CAPA_BT_MPLUT_SUPPORT) &&
1005                 IWL_MVM_BT_COEX_MPLUT;
1006 }
1007
1008 static inline bool iwl_mvm_has_new_rx_api(struct iwl_mvm *mvm)
1009 {
1010         /* firmware flag isn't defined yet */
1011         return false;
1012 }
1013
1014 extern const u8 iwl_mvm_ac_to_tx_fifo[];
1015
1016 struct iwl_rate_info {
1017         u8 plcp;        /* uCode API:  IWL_RATE_6M_PLCP, etc. */
1018         u8 plcp_siso;   /* uCode API:  IWL_RATE_SISO_6M_PLCP, etc. */
1019         u8 plcp_mimo2;  /* uCode API:  IWL_RATE_MIMO2_6M_PLCP, etc. */
1020         u8 plcp_mimo3;  /* uCode API:  IWL_RATE_MIMO3_6M_PLCP, etc. */
1021         u8 ieee;        /* MAC header:  IWL_RATE_6M_IEEE, etc. */
1022 };
1023
1024 void __iwl_mvm_mac_stop(struct iwl_mvm *mvm);
1025 int __iwl_mvm_mac_start(struct iwl_mvm *mvm);
1026
1027 /******************
1028  * MVM Methods
1029  ******************/
1030 /* uCode */
1031 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm);
1032
1033 /* Utils */
1034 int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags,
1035                                         enum ieee80211_band band);
1036 void iwl_mvm_hwrate_to_tx_rate(u32 rate_n_flags,
1037                                enum ieee80211_band band,
1038                                struct ieee80211_tx_rate *r);
1039 u8 iwl_mvm_mac80211_idx_to_hwrate(int rate_idx);
1040 void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm);
1041 u8 first_antenna(u8 mask);
1042 u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx);
1043
1044 /* Tx / Host Commands */
1045 int __must_check iwl_mvm_send_cmd(struct iwl_mvm *mvm,
1046                                   struct iwl_host_cmd *cmd);
1047 int __must_check iwl_mvm_send_cmd_pdu(struct iwl_mvm *mvm, u32 id,
1048                                       u32 flags, u16 len, const void *data);
1049 int __must_check iwl_mvm_send_cmd_status(struct iwl_mvm *mvm,
1050                                          struct iwl_host_cmd *cmd,
1051                                          u32 *status);
1052 int __must_check iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u32 id,
1053                                              u16 len, const void *data,
1054                                              u32 *status);
1055 int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb,
1056                    struct ieee80211_sta *sta);
1057 int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb);
1058 void iwl_mvm_set_tx_cmd(struct iwl_mvm *mvm, struct sk_buff *skb,
1059                         struct iwl_tx_cmd *tx_cmd,
1060                         struct ieee80211_tx_info *info, u8 sta_id);
1061 void iwl_mvm_set_tx_cmd_rate(struct iwl_mvm *mvm, struct iwl_tx_cmd *tx_cmd,
1062                             struct ieee80211_tx_info *info,
1063                             struct ieee80211_sta *sta, __le16 fc);
1064 #ifdef CONFIG_IWLWIFI_DEBUG
1065 const char *iwl_mvm_get_tx_fail_reason(u32 status);
1066 #else
1067 static inline const char *iwl_mvm_get_tx_fail_reason(u32 status) { return ""; }
1068 #endif
1069 int iwl_mvm_flush_tx_path(struct iwl_mvm *mvm, u32 tfd_msk, u32 flags);
1070 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm);
1071
1072 static inline void iwl_mvm_set_tx_cmd_ccmp(struct ieee80211_tx_info *info,
1073                                            struct iwl_tx_cmd *tx_cmd)
1074 {
1075         struct ieee80211_key_conf *keyconf = info->control.hw_key;
1076
1077         tx_cmd->sec_ctl = TX_CMD_SEC_CCM;
1078         memcpy(tx_cmd->key, keyconf->key, keyconf->keylen);
1079         if (info->flags & IEEE80211_TX_CTL_AMPDU)
1080                 tx_cmd->tx_flags |= cpu_to_le32(TX_CMD_FLG_CCMP_AGG);
1081 }
1082
1083 static inline void iwl_mvm_wait_for_async_handlers(struct iwl_mvm *mvm)
1084 {
1085         flush_work(&mvm->async_handlers_wk);
1086 }
1087
1088 /* Statistics */
1089 void iwl_mvm_handle_rx_statistics(struct iwl_mvm *mvm,
1090                                   struct iwl_rx_packet *pkt);
1091 void iwl_mvm_rx_statistics(struct iwl_mvm *mvm,
1092                            struct iwl_rx_cmd_buffer *rxb);
1093 int iwl_mvm_request_statistics(struct iwl_mvm *mvm, bool clear);
1094 void iwl_mvm_accu_radio_stats(struct iwl_mvm *mvm);
1095
1096 /* NVM */
1097 int iwl_nvm_init(struct iwl_mvm *mvm, bool read_nvm_from_nic);
1098 int iwl_mvm_load_nvm_to_nic(struct iwl_mvm *mvm);
1099
1100 static inline u8 iwl_mvm_get_valid_tx_ant(struct iwl_mvm *mvm)
1101 {
1102         return mvm->nvm_data && mvm->nvm_data->valid_tx_ant ?
1103                mvm->fw->valid_tx_ant & mvm->nvm_data->valid_tx_ant :
1104                mvm->fw->valid_tx_ant;
1105 }
1106
1107 static inline u8 iwl_mvm_get_valid_rx_ant(struct iwl_mvm *mvm)
1108 {
1109         return mvm->nvm_data && mvm->nvm_data->valid_rx_ant ?
1110                mvm->fw->valid_rx_ant & mvm->nvm_data->valid_rx_ant :
1111                mvm->fw->valid_rx_ant;
1112 }
1113
1114 static inline u32 iwl_mvm_get_phy_config(struct iwl_mvm *mvm)
1115 {
1116         u32 phy_config = ~(FW_PHY_CFG_TX_CHAIN |
1117                            FW_PHY_CFG_RX_CHAIN);
1118         u32 valid_rx_ant = iwl_mvm_get_valid_rx_ant(mvm);
1119         u32 valid_tx_ant = iwl_mvm_get_valid_tx_ant(mvm);
1120
1121         phy_config |= valid_tx_ant << FW_PHY_CFG_TX_CHAIN_POS |
1122                       valid_rx_ant << FW_PHY_CFG_RX_CHAIN_POS;
1123
1124         return mvm->fw->phy_config & phy_config;
1125 }
1126
1127 int iwl_mvm_up(struct iwl_mvm *mvm);
1128 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm);
1129
1130 int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm);
1131 bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm,
1132                                     struct iwl_bcast_filter_cmd *cmd);
1133
1134 /*
1135  * FW notifications / CMD responses handlers
1136  * Convention: iwl_mvm_rx_<NAME OF THE CMD>
1137  */
1138 void iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1139 void iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct napi_struct *napi,
1140                         struct iwl_rx_cmd_buffer *rxb);
1141 void iwl_mvm_rx_phy_cmd_mq(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1142 void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi,
1143                         struct iwl_rx_cmd_buffer *rxb, int queue);
1144 void iwl_mvm_rx_frame_release(struct iwl_mvm *mvm,
1145                               struct iwl_rx_cmd_buffer *rxb, int queue);
1146 void iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1147 void iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1148 void iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm,
1149                                    struct iwl_rx_cmd_buffer *rxb);
1150 void iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1151 void iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
1152                                  struct iwl_rx_cmd_buffer *rxb);
1153 void iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm,
1154                              struct iwl_rx_cmd_buffer *rxb);
1155 void iwl_mvm_rx_shared_mem_cfg_notif(struct iwl_mvm *mvm,
1156                                      struct iwl_rx_cmd_buffer *rxb);
1157
1158 /* MVM PHY */
1159 int iwl_mvm_phy_ctxt_add(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
1160                          struct cfg80211_chan_def *chandef,
1161                          u8 chains_static, u8 chains_dynamic);
1162 int iwl_mvm_phy_ctxt_changed(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
1163                              struct cfg80211_chan_def *chandef,
1164                              u8 chains_static, u8 chains_dynamic);
1165 void iwl_mvm_phy_ctxt_ref(struct iwl_mvm *mvm,
1166                           struct iwl_mvm_phy_ctxt *ctxt);
1167 void iwl_mvm_phy_ctxt_unref(struct iwl_mvm *mvm,
1168                             struct iwl_mvm_phy_ctxt *ctxt);
1169 int iwl_mvm_phy_ctx_count(struct iwl_mvm *mvm);
1170 u8 iwl_mvm_get_channel_width(struct cfg80211_chan_def *chandef);
1171 u8 iwl_mvm_get_ctrl_pos(struct cfg80211_chan_def *chandef);
1172
1173 /* MAC (virtual interface) programming */
1174 int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1175 void iwl_mvm_mac_ctxt_release(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1176 int iwl_mvm_mac_ctxt_add(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1177 int iwl_mvm_mac_ctxt_changed(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1178                              bool force_assoc_off, const u8 *bssid_override);
1179 int iwl_mvm_mac_ctxt_remove(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1180 u32 iwl_mvm_mac_get_queues_mask(struct ieee80211_vif *vif);
1181 int iwl_mvm_mac_ctxt_beacon_changed(struct iwl_mvm *mvm,
1182                                     struct ieee80211_vif *vif);
1183 void iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm,
1184                              struct iwl_rx_cmd_buffer *rxb);
1185 void iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm,
1186                                      struct iwl_rx_cmd_buffer *rxb);
1187 void iwl_mvm_mac_ctxt_recalc_tsf_id(struct iwl_mvm *mvm,
1188                                     struct ieee80211_vif *vif);
1189 unsigned long iwl_mvm_get_used_hw_queues(struct iwl_mvm *mvm,
1190                                          struct ieee80211_vif *exclude_vif);
1191 /* Bindings */
1192 int iwl_mvm_binding_add_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1193 int iwl_mvm_binding_remove_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1194
1195 /* Quota management */
1196 int iwl_mvm_update_quotas(struct iwl_mvm *mvm, bool force_upload,
1197                           struct ieee80211_vif *disabled_vif);
1198
1199 /* Scanning */
1200 int iwl_mvm_reg_scan_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1201                            struct cfg80211_scan_request *req,
1202                            struct ieee80211_scan_ies *ies);
1203 int iwl_mvm_scan_size(struct iwl_mvm *mvm);
1204 int iwl_mvm_scan_stop(struct iwl_mvm *mvm, int type, bool notify);
1205 int iwl_mvm_max_scan_ie_len(struct iwl_mvm *mvm);
1206 void iwl_mvm_report_scan_aborted(struct iwl_mvm *mvm);
1207
1208 /* Scheduled scan */
1209 void iwl_mvm_rx_lmac_scan_complete_notif(struct iwl_mvm *mvm,
1210                                          struct iwl_rx_cmd_buffer *rxb);
1211 void iwl_mvm_rx_lmac_scan_iter_complete_notif(struct iwl_mvm *mvm,
1212                                               struct iwl_rx_cmd_buffer *rxb);
1213 int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm,
1214                              struct ieee80211_vif *vif,
1215                              struct cfg80211_sched_scan_request *req,
1216                              struct ieee80211_scan_ies *ies,
1217                              int type);
1218 void iwl_mvm_rx_scan_match_found(struct iwl_mvm *mvm,
1219                                  struct iwl_rx_cmd_buffer *rxb);
1220
1221 /* UMAC scan */
1222 int iwl_mvm_config_scan(struct iwl_mvm *mvm);
1223 void iwl_mvm_rx_umac_scan_complete_notif(struct iwl_mvm *mvm,
1224                                          struct iwl_rx_cmd_buffer *rxb);
1225 void iwl_mvm_rx_umac_scan_iter_complete_notif(struct iwl_mvm *mvm,
1226                                               struct iwl_rx_cmd_buffer *rxb);
1227
1228 /* MVM debugfs */
1229 #ifdef CONFIG_IWLWIFI_DEBUGFS
1230 int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir);
1231 void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1232 void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1233 #else
1234 static inline int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm,
1235                                          struct dentry *dbgfs_dir)
1236 {
1237         return 0;
1238 }
1239 static inline void
1240 iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1241 {
1242 }
1243 static inline void
1244 iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1245 {
1246 }
1247 #endif /* CONFIG_IWLWIFI_DEBUGFS */
1248
1249 /* rate scaling */
1250 int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool init);
1251 void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm, u32 rate, bool agg);
1252 int rs_pretty_print_rate(char *buf, const u32 rate);
1253 void rs_update_last_rssi(struct iwl_mvm *mvm,
1254                          struct iwl_lq_sta *lq_sta,
1255                          struct ieee80211_rx_status *rx_status);
1256
1257 /* power management */
1258 int iwl_mvm_power_update_device(struct iwl_mvm *mvm);
1259 int iwl_mvm_power_update_mac(struct iwl_mvm *mvm);
1260 int iwl_mvm_power_update_ps(struct iwl_mvm *mvm);
1261 int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1262                                  char *buf, int bufsz);
1263
1264 void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1265 void iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm,
1266                                               struct iwl_rx_cmd_buffer *rxb);
1267
1268 #ifdef CONFIG_IWLWIFI_LEDS
1269 int iwl_mvm_leds_init(struct iwl_mvm *mvm);
1270 void iwl_mvm_leds_exit(struct iwl_mvm *mvm);
1271 #else
1272 static inline int iwl_mvm_leds_init(struct iwl_mvm *mvm)
1273 {
1274         return 0;
1275 }
1276 static inline void iwl_mvm_leds_exit(struct iwl_mvm *mvm)
1277 {
1278 }
1279 #endif
1280
1281 /* D3 (WoWLAN, NetDetect) */
1282 int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan);
1283 int iwl_mvm_resume(struct ieee80211_hw *hw);
1284 void iwl_mvm_set_wakeup(struct ieee80211_hw *hw, bool enabled);
1285 void iwl_mvm_set_rekey_data(struct ieee80211_hw *hw,
1286                             struct ieee80211_vif *vif,
1287                             struct cfg80211_gtk_rekey_data *data);
1288 void iwl_mvm_ipv6_addr_change(struct ieee80211_hw *hw,
1289                               struct ieee80211_vif *vif,
1290                               struct inet6_dev *idev);
1291 void iwl_mvm_set_default_unicast_key(struct ieee80211_hw *hw,
1292                                      struct ieee80211_vif *vif, int idx);
1293 extern const struct file_operations iwl_dbgfs_d3_test_ops;
1294 #ifdef CONFIG_PM
1295 int iwl_mvm_wowlan_config_key_params(struct iwl_mvm *mvm,
1296                                      struct ieee80211_vif *vif,
1297                                      bool host_awake,
1298                                      u32 cmd_flags);
1299 void iwl_mvm_d0i3_update_keys(struct iwl_mvm *mvm,
1300                               struct ieee80211_vif *vif,
1301                               struct iwl_wowlan_status *status);
1302 void iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm,
1303                                  struct ieee80211_vif *vif);
1304 #else
1305 static inline int iwl_mvm_wowlan_config_key_params(struct iwl_mvm *mvm,
1306                                                    struct ieee80211_vif *vif,
1307                                                    bool host_awake,
1308                                                    u32 cmd_flags)
1309 {
1310         return 0;
1311 }
1312
1313 static inline void iwl_mvm_d0i3_update_keys(struct iwl_mvm *mvm,
1314                                             struct ieee80211_vif *vif,
1315                                             struct iwl_wowlan_status *status)
1316 {
1317 }
1318
1319 static inline void
1320 iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1321 {
1322 }
1323 #endif
1324 void iwl_mvm_set_wowlan_qos_seq(struct iwl_mvm_sta *mvm_ap_sta,
1325                                 struct iwl_wowlan_config_cmd *cmd);
1326 int iwl_mvm_send_proto_offload(struct iwl_mvm *mvm,
1327                                struct ieee80211_vif *vif,
1328                                bool disable_offloading,
1329                                bool offload_ns,
1330                                u32 cmd_flags);
1331
1332 /* D0i3 */
1333 void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1334 void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1335 int iwl_mvm_ref_sync(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1336 bool iwl_mvm_ref_taken(struct iwl_mvm *mvm);
1337 void iwl_mvm_d0i3_enable_tx(struct iwl_mvm *mvm, __le16 *qos_seq);
1338 int iwl_mvm_enter_d0i3(struct iwl_op_mode *op_mode);
1339 int iwl_mvm_exit_d0i3(struct iwl_op_mode *op_mode);
1340 int _iwl_mvm_exit_d0i3(struct iwl_mvm *mvm);
1341
1342 /* BT Coex */
1343 int iwl_send_bt_init_conf(struct iwl_mvm *mvm);
1344 void iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm,
1345                               struct iwl_rx_cmd_buffer *rxb);
1346 void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1347                            enum ieee80211_rssi_event_data);
1348 void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm);
1349 u16 iwl_mvm_coex_agg_time_limit(struct iwl_mvm *mvm,
1350                                 struct ieee80211_sta *sta);
1351 bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm,
1352                                      struct ieee80211_sta *sta);
1353 bool iwl_mvm_bt_coex_is_ant_avail(struct iwl_mvm *mvm, u8 ant);
1354 bool iwl_mvm_bt_coex_is_shared_ant_avail(struct iwl_mvm *mvm);
1355 bool iwl_mvm_bt_coex_is_tpc_allowed(struct iwl_mvm *mvm,
1356                                     enum ieee80211_band band);
1357 u8 iwl_mvm_bt_coex_tx_prio(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr,
1358                            struct ieee80211_tx_info *info, u8 ac);
1359
1360 bool iwl_mvm_bt_coex_is_shared_ant_avail_old(struct iwl_mvm *mvm);
1361 void iwl_mvm_bt_coex_vif_change_old(struct iwl_mvm *mvm);
1362 int iwl_send_bt_init_conf_old(struct iwl_mvm *mvm);
1363 void iwl_mvm_rx_bt_coex_notif_old(struct iwl_mvm *mvm,
1364                                   struct iwl_rx_cmd_buffer *rxb);
1365 void iwl_mvm_bt_rssi_event_old(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1366                                enum ieee80211_rssi_event_data);
1367 u16 iwl_mvm_coex_agg_time_limit_old(struct iwl_mvm *mvm,
1368                                     struct ieee80211_sta *sta);
1369 bool iwl_mvm_bt_coex_is_mimo_allowed_old(struct iwl_mvm *mvm,
1370                                          struct ieee80211_sta *sta);
1371 bool iwl_mvm_bt_coex_is_tpc_allowed_old(struct iwl_mvm *mvm,
1372                                         enum ieee80211_band band);
1373 void iwl_mvm_rx_ant_coupling_notif_old(struct iwl_mvm *mvm,
1374                                        struct iwl_rx_cmd_buffer *rxb);
1375
1376 /* beacon filtering */
1377 #ifdef CONFIG_IWLWIFI_DEBUGFS
1378 void
1379 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1380                                          struct iwl_beacon_filter_cmd *cmd);
1381 #else
1382 static inline void
1383 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1384                                          struct iwl_beacon_filter_cmd *cmd)
1385 {}
1386 #endif
1387 int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm,
1388                                    struct ieee80211_vif *vif,
1389                                    bool enable, u32 flags);
1390 int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
1391                                  struct ieee80211_vif *vif,
1392                                  u32 flags);
1393 int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
1394                                   struct ieee80211_vif *vif,
1395                                   u32 flags);
1396 /* SMPS */
1397 void iwl_mvm_update_smps(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1398                                 enum iwl_mvm_smps_type_request req_type,
1399                                 enum ieee80211_smps_mode smps_request);
1400 bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm *mvm);
1401
1402 /* Low latency */
1403 int iwl_mvm_update_low_latency(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1404                                bool value);
1405 /* get SystemLowLatencyMode - only needed for beacon threshold? */
1406 bool iwl_mvm_low_latency(struct iwl_mvm *mvm);
1407 /* get VMACLowLatencyMode */
1408 static inline bool iwl_mvm_vif_low_latency(struct iwl_mvm_vif *mvmvif)
1409 {
1410         /*
1411          * should this consider associated/active/... state?
1412          *
1413          * Normally low-latency should only be active on interfaces
1414          * that are active, but at least with debugfs it can also be
1415          * enabled on interfaces that aren't active. However, when
1416          * interface aren't active then they aren't added into the
1417          * binding, so this has no real impact. For now, just return
1418          * the current desired low-latency state.
1419          */
1420
1421         return mvmvif->low_latency;
1422 }
1423
1424 /* hw scheduler queue config */
1425 void iwl_mvm_enable_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue,
1426                         u16 ssn, const struct iwl_trans_txq_scd_cfg *cfg,
1427                         unsigned int wdg_timeout);
1428 /*
1429  * Disable a TXQ.
1430  * Note that in non-DQA mode the %mac80211_queue and %tid params are ignored.
1431  */
1432 void iwl_mvm_disable_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue,
1433                          u8 tid, u8 flags);
1434 int iwl_mvm_find_free_queue(struct iwl_mvm *mvm, u8 minq, u8 maxq);
1435
1436 /* Return a bitmask with all the hw supported queues, except for the
1437  * command queue, which can't be flushed.
1438  */
1439 static inline u32 iwl_mvm_flushable_queues(struct iwl_mvm *mvm)
1440 {
1441         return ((BIT(mvm->cfg->base_params->num_of_queues) - 1) &
1442                 ~BIT(IWL_MVM_CMD_QUEUE));
1443 }
1444
1445 static inline
1446 void iwl_mvm_enable_ac_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue,
1447                            u8 fifo, u16 ssn, unsigned int wdg_timeout)
1448 {
1449         struct iwl_trans_txq_scd_cfg cfg = {
1450                 .fifo = fifo,
1451                 .tid = IWL_MAX_TID_COUNT,
1452                 .aggregate = false,
1453                 .frame_limit = IWL_FRAME_LIMIT,
1454         };
1455
1456         iwl_mvm_enable_txq(mvm, queue, mac80211_queue, ssn, &cfg, wdg_timeout);
1457 }
1458
1459 static inline void iwl_mvm_enable_agg_txq(struct iwl_mvm *mvm, int queue,
1460                                           int mac80211_queue, int fifo,
1461                                           int sta_id, int tid, int frame_limit,
1462                                           u16 ssn, unsigned int wdg_timeout)
1463 {
1464         struct iwl_trans_txq_scd_cfg cfg = {
1465                 .fifo = fifo,
1466                 .sta_id = sta_id,
1467                 .tid = tid,
1468                 .frame_limit = frame_limit,
1469                 .aggregate = true,
1470         };
1471
1472         iwl_mvm_enable_txq(mvm, queue, mac80211_queue, ssn, &cfg, wdg_timeout);
1473 }
1474
1475 /* Thermal management and CT-kill */
1476 void iwl_mvm_tt_tx_backoff(struct iwl_mvm *mvm, u32 backoff);
1477 void iwl_mvm_tt_temp_changed(struct iwl_mvm *mvm, u32 temp);
1478 void iwl_mvm_temp_notif(struct iwl_mvm *mvm,
1479                         struct iwl_rx_cmd_buffer *rxb);
1480 void iwl_mvm_tt_handler(struct iwl_mvm *mvm);
1481 void iwl_mvm_tt_initialize(struct iwl_mvm *mvm, u32 min_backoff);
1482 void iwl_mvm_tt_exit(struct iwl_mvm *mvm);
1483 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state);
1484 int iwl_mvm_get_temp(struct iwl_mvm *mvm);
1485
1486 /* Location Aware Regulatory */
1487 struct iwl_mcc_update_resp *
1488 iwl_mvm_update_mcc(struct iwl_mvm *mvm, const char *alpha2,
1489                    enum iwl_mcc_source src_id);
1490 int iwl_mvm_init_mcc(struct iwl_mvm *mvm);
1491 void iwl_mvm_rx_chub_update_mcc(struct iwl_mvm *mvm,
1492                                 struct iwl_rx_cmd_buffer *rxb);
1493 struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy,
1494                                                   const char *alpha2,
1495                                                   enum iwl_mcc_source src_id,
1496                                                   bool *changed);
1497 struct ieee80211_regdomain *iwl_mvm_get_current_regdomain(struct iwl_mvm *mvm,
1498                                                           bool *changed);
1499 int iwl_mvm_init_fw_regd(struct iwl_mvm *mvm);
1500 void iwl_mvm_update_changed_regdom(struct iwl_mvm *mvm);
1501
1502 /* smart fifo */
1503 int iwl_mvm_sf_update(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1504                       bool added_vif);
1505
1506 /* TDLS */
1507
1508 /*
1509  * We use TID 4 (VI) as a FW-used-only TID when TDLS connections are present.
1510  * This TID is marked as used vs the AP and all connected TDLS peers.
1511  */
1512 #define IWL_MVM_TDLS_FW_TID 4
1513
1514 int iwl_mvm_tdls_sta_count(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1515 void iwl_mvm_teardown_tdls_peers(struct iwl_mvm *mvm);
1516 void iwl_mvm_recalc_tdls_state(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1517                                bool sta_added);
1518 void iwl_mvm_mac_mgd_protect_tdls_discover(struct ieee80211_hw *hw,
1519                                            struct ieee80211_vif *vif);
1520 int iwl_mvm_tdls_channel_switch(struct ieee80211_hw *hw,
1521                                 struct ieee80211_vif *vif,
1522                                 struct ieee80211_sta *sta, u8 oper_class,
1523                                 struct cfg80211_chan_def *chandef,
1524                                 struct sk_buff *tmpl_skb, u32 ch_sw_tm_ie);
1525 void iwl_mvm_tdls_recv_channel_switch(struct ieee80211_hw *hw,
1526                                       struct ieee80211_vif *vif,
1527                                       struct ieee80211_tdls_ch_sw_params *params);
1528 void iwl_mvm_tdls_cancel_channel_switch(struct ieee80211_hw *hw,
1529                                         struct ieee80211_vif *vif,
1530                                         struct ieee80211_sta *sta);
1531 void iwl_mvm_rx_tdls_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1532 void iwl_mvm_tdls_ch_switch_work(struct work_struct *work);
1533
1534 struct ieee80211_vif *iwl_mvm_get_bss_vif(struct iwl_mvm *mvm);
1535
1536 void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error);
1537 unsigned int iwl_mvm_get_wd_timeout(struct iwl_mvm *mvm,
1538                                     struct ieee80211_vif *vif,
1539                                     bool tdls, bool cmd_q);
1540 void iwl_mvm_connection_loss(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1541                              const char *errmsg);
1542
1543 #endif /* __IWL_MVM_H__ */