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_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 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
 298         /* update debugfs.c when changing this */
 299
 300         IWL_MVM_REF_COUNT,
 301 };
 302
 303 enum iwl_bt_force_ant_mode {
 304         BT_FORCE_ANT_DIS = 0,
 305         BT_FORCE_ANT_AUTO,
 306         BT_FORCE_ANT_BT,
 307         BT_FORCE_ANT_WIFI,
 308
 309         BT_FORCE_ANT_MAX,
 310 };
 311
 312 /**
 313 * struct iwl_mvm_vif_bf_data - beacon filtering related data
 314 * @bf_enabled: indicates if beacon filtering is enabled
 315 * @ba_enabled: indicated if beacon abort is enabled
 316 * @ave_beacon_signal: average beacon signal
 317 * @last_cqm_event: rssi of the last cqm event
 318 * @bt_coex_min_thold: minimum threshold for BT coex
 319 * @bt_coex_max_thold: maximum threshold for BT coex
 320 * @last_bt_coex_event: rssi of the last BT coex event
 321 */
 322 struct iwl_mvm_vif_bf_data {
 323         bool bf_enabled;
 324         bool ba_enabled;
 325         int ave_beacon_signal;
 326         int last_cqm_event;
 327         int bt_coex_min_thold;
 328         int bt_coex_max_thold;
 329         int last_bt_coex_event;
 330 };
 331
 332 /**
 333  * struct iwl_mvm_vif - data per Virtual Interface, it is a MAC context
 334  * @id: between 0 and 3
 335  * @color: to solve races upon MAC addition and removal
 336  * @ap_sta_id: the sta_id of the AP - valid only if VIF type is STA
 337  * @bssid: BSSID for this (client) interface
 338  * @associated: indicates that we're currently associated, used only for
 339  *      managing the firmware state in iwl_mvm_bss_info_changed_station()
 340  * @ap_assoc_sta_count: count of stations associated to us - valid only
 341  *      if VIF type is AP
 342  * @uploaded: indicates the MAC context has been added to the device
 343  * @ap_ibss_active: indicates that AP/IBSS is configured and that the interface
 344  *      should get quota etc.
 345  * @pm_enabled - Indicate if MAC power management is allowed
 346  * @monitor_active: indicates that monitor context is configured, and that the
 347  *      interface should get quota etc.
 348  * @low_latency: indicates that this interface is in low-latency mode
 349  *      (VMACLowLatencyMode)
 350  * @ps_disabled: indicates that this interface requires PS to be disabled
 351  * @queue_params: QoS params for this MAC
 352  * @bcast_sta: station used for broadcast packets. Used by the following
 353  *  vifs: P2P_DEVICE, GO and AP.
 354  * @beacon_skb: the skb used to hold the AP/GO beacon template
 355  * @smps_requests: the SMPS requests of different parts of the driver,
 356  *      combined on update to yield the overall request to mac80211.
 357  * @beacon_stats: beacon statistics, containing the # of received beacons,
 358  *      # of received beacons accumulated over FW restart, and the current
 359  *      average signal of beacons retrieved from the firmware
 360  * @csa_failed: CSA failed to schedule time event, report an error later
 361  * @features: hw features active for this vif
 362  */
 363 struct iwl_mvm_vif {
 364         struct iwl_mvm *mvm;
 365         u16 id;
 366         u16 color;
 367         u8 ap_sta_id;
 368
 369         u8 bssid[ETH_ALEN];
 370         bool associated;
 371         u8 ap_assoc_sta_count;
 372
 373         bool uploaded;
 374         bool ap_ibss_active;
 375         bool pm_enabled;
 376         bool monitor_active;
 377         bool low_latency;
 378         bool ps_disabled;
 379         struct iwl_mvm_vif_bf_data bf_data;
 380
 381         struct {
 382                 u32 num_beacons, accu_num_beacons;
 383                 u8 avg_signal;
 384         } beacon_stats;
 385
 386         u32 ap_beacon_time;
 387
 388         enum iwl_tsf_id tsf_id;
 389
 390         /*
 391          * QoS data from mac80211, need to store this here
 392          * as mac80211 has a separate callback but we need
 393          * to have the data for the MAC context
 394          */
 395         struct ieee80211_tx_queue_params queue_params[IEEE80211_NUM_ACS];
 396         struct iwl_mvm_time_event_data time_event_data;
 397         struct iwl_mvm_time_event_data hs_time_event_data;
 398
 399         struct iwl_mvm_int_sta bcast_sta;
 400
 401         /*
 402          * Assigned while mac80211 has the interface in a channel context,
 403          * or, for P2P Device, while it exists.
 404          */
 405         struct iwl_mvm_phy_ctxt *phy_ctxt;
 406
 407 #ifdef CONFIG_PM_SLEEP
 408         /* WoWLAN GTK rekey data */
 409         struct {
 410                 u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN];
 411                 __le64 replay_ctr;
 412                 bool valid;
 413         } rekey_data;
 414
 415         int tx_key_idx;
 416
 417         bool seqno_valid;
 418         u16 seqno;
 419 #endif
 420
 421 #if IS_ENABLED(CONFIG_IPV6)
 422         /* IPv6 addresses for WoWLAN */
 423         struct in6_addr target_ipv6_addrs[IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_MAX];
 424         int num_target_ipv6_addrs;
 425 #endif
 426
 427 #ifdef CONFIG_IWLWIFI_DEBUGFS
 428         struct dentry *dbgfs_dir;
 429         struct dentry *dbgfs_slink;
 430         struct iwl_dbgfs_pm dbgfs_pm;
 431         struct iwl_dbgfs_bf dbgfs_bf;
 432         struct iwl_mac_power_cmd mac_pwr_cmd;
 433 #endif
 434
 435         enum ieee80211_smps_mode smps_requests[NUM_IWL_MVM_SMPS_REQ];
 436
 437         /* FW identified misbehaving AP */
 438         u8 uapsd_misbehaving_bssid[ETH_ALEN];
 439
 440         /* Indicates that CSA countdown may be started */
 441         bool csa_countdown;
 442         bool csa_failed;
 443
 444         /* TCP Checksum Offload */
 445         netdev_features_t features;
 446 };
 447
 448 static inline struct iwl_mvm_vif *
 449 iwl_mvm_vif_from_mac80211(struct ieee80211_vif *vif)
 450 {
 451         return (void *)vif->drv_priv;
 452 }
 453
 454 extern const u8 tid_to_mac80211_ac[];
 455
 456 #define IWL_MVM_SCAN_STOPPING_SHIFT     8
 457
 458 enum iwl_scan_status {
 459         IWL_MVM_SCAN_REGULAR            = BIT(0),
 460         IWL_MVM_SCAN_SCHED              = BIT(1),
 461         IWL_MVM_SCAN_NETDETECT          = BIT(2),
 462
 463         IWL_MVM_SCAN_STOPPING_REGULAR   = BIT(8),
 464         IWL_MVM_SCAN_STOPPING_SCHED     = BIT(9),
 465         IWL_MVM_SCAN_STOPPING_NETDETECT = BIT(10),
 466
 467         IWL_MVM_SCAN_REGULAR_MASK       = IWL_MVM_SCAN_REGULAR |
 468                                           IWL_MVM_SCAN_STOPPING_REGULAR,
 469         IWL_MVM_SCAN_SCHED_MASK         = IWL_MVM_SCAN_SCHED |
 470                                           IWL_MVM_SCAN_STOPPING_SCHED,
 471         IWL_MVM_SCAN_NETDETECT_MASK     = IWL_MVM_SCAN_NETDETECT |
 472                                           IWL_MVM_SCAN_STOPPING_NETDETECT,
 473
 474         IWL_MVM_SCAN_STOPPING_MASK      = 0xff << IWL_MVM_SCAN_STOPPING_SHIFT,
 475         IWL_MVM_SCAN_MASK               = 0xff,
 476 };
 477
 478 /**
 479  * struct iwl_nvm_section - describes an NVM section in memory.
 480  *
 481  * This struct holds an NVM section read from the NIC using NVM_ACCESS_CMD,
 482  * and saved for later use by the driver. Not all NVM sections are saved
 483  * this way, only the needed ones.
 484  */
 485 struct iwl_nvm_section {
 486         u16 length;
 487         const u8 *data;
 488 };
 489
 490 /**
 491  * struct iwl_mvm_tt_mgnt - Thermal Throttling Management structure
 492  * @ct_kill_exit: worker to exit thermal kill
 493  * @dynamic_smps: Is thermal throttling enabled dynamic_smps?
 494  * @tx_backoff: The current thremal throttling tx backoff in uSec.
 495  * @min_backoff: The minimal tx backoff due to power restrictions
 496  * @params: Parameters to configure the thermal throttling algorithm.
 497  * @throttle: Is thermal throttling is active?
 498  */
 499 struct iwl_mvm_tt_mgmt {
 500         struct delayed_work ct_kill_exit;
 501         bool dynamic_smps;
 502         u32 tx_backoff;
 503         u32 min_backoff;
 504         struct iwl_tt_params params;
 505         bool throttle;
 506 };
 507
 508 #define IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES 8
 509
 510 struct iwl_mvm_frame_stats {
 511         u32 legacy_frames;
 512         u32 ht_frames;
 513         u32 vht_frames;
 514         u32 bw_20_frames;
 515         u32 bw_40_frames;
 516         u32 bw_80_frames;
 517         u32 bw_160_frames;
 518         u32 sgi_frames;
 519         u32 ngi_frames;
 520         u32 siso_frames;
 521         u32 mimo2_frames;
 522         u32 agg_frames;
 523         u32 ampdu_count;
 524         u32 success_frames;
 525         u32 fail_frames;
 526         u32 last_rates[IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES];
 527         int last_frame_idx;
 528 };
 529
 530 enum {
 531         D0I3_DEFER_WAKEUP,
 532         D0I3_PENDING_WAKEUP,
 533 };
 534
 535 #define IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE 0xff
 536 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MIN -100
 537 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MAX 200
 538
 539 enum iwl_mvm_tdls_cs_state {
 540         IWL_MVM_TDLS_SW_IDLE = 0,
 541         IWL_MVM_TDLS_SW_REQ_SENT,
 542         IWL_MVM_TDLS_SW_RESP_RCVD,
 543         IWL_MVM_TDLS_SW_REQ_RCVD,
 544         IWL_MVM_TDLS_SW_ACTIVE,
 545 };
 546
 547 struct iwl_mvm_shared_mem_cfg {
 548         u32 shared_mem_addr;
 549         u32 shared_mem_size;
 550         u32 sample_buff_addr;
 551         u32 sample_buff_size;
 552         u32 txfifo_addr;
 553         u32 txfifo_size[TX_FIFO_MAX_NUM];
 554         u32 rxfifo_size[RX_FIFO_MAX_NUM];
 555         u32 page_buff_addr;
 556         u32 page_buff_size;
 557 };
 558
 559 struct iwl_mvm {
 560         /* for logger access */
 561         struct device *dev;
 562
 563         struct iwl_trans *trans;
 564         const struct iwl_fw *fw;
 565         const struct iwl_cfg *cfg;
 566         struct iwl_phy_db *phy_db;
 567         struct ieee80211_hw *hw;
 568
 569         /* for protecting access to iwl_mvm */
 570         struct mutex mutex;
 571         struct list_head async_handlers_list;
 572         spinlock_t async_handlers_lock;
 573         struct work_struct async_handlers_wk;
 574
 575         struct work_struct roc_done_wk;
 576
 577         unsigned long status;
 578
 579         /*
 580          * for beacon filtering -
 581          * currently only one interface can be supported
 582          */
 583         struct iwl_mvm_vif *bf_allowed_vif;
 584
 585         enum iwl_ucode_type cur_ucode;
 586         bool ucode_loaded;
 587         bool calibrating;
 588         u32 error_event_table;
 589         u32 log_event_table;
 590         u32 umac_error_event_table;
 591         bool support_umac_log;
 592         struct iwl_sf_region sf_space;
 593
 594         u32 ampdu_ref;
 595
 596         struct iwl_notif_wait_data notif_wait;
 597
 598         struct mvm_statistics_rx rx_stats;
 599
 600         struct {
 601                 u64 rx_time;
 602                 u64 tx_time;
 603                 u64 on_time_rf;
 604                 u64 on_time_scan;
 605         } radio_stats, accu_radio_stats;
 606
 607         struct {
 608                 /* Map to HW queue */
 609                 u32 hw_queue_to_mac80211;
 610                 u8 hw_queue_refcount;
 611                 bool setup_reserved;
 612                 u16 tid_bitmap; /* Bitmap of the TIDs mapped to this queue */
 613         } queue_info[IWL_MAX_HW_QUEUES];
 614         spinlock_t queue_info_lock; /* For syncing queue mgmt operations */
 615         atomic_t mac80211_queue_stop_count[IEEE80211_MAX_QUEUES];
 616
 617         const char *nvm_file_name;
 618         struct iwl_nvm_data *nvm_data;
 619         /* NVM sections */
 620         struct iwl_nvm_section nvm_sections[NVM_MAX_NUM_SECTIONS];
 621
 622         /* Paging section */
 623         struct iwl_fw_paging fw_paging_db[NUM_OF_FW_PAGING_BLOCKS];
 624         u16 num_of_paging_blk;
 625         u16 num_of_pages_in_last_blk;
 626
 627         /* EEPROM MAC addresses */
 628         struct mac_address addresses[IWL_MVM_MAX_ADDRESSES];
 629
 630         /* data related to data path */
 631         struct iwl_rx_phy_info last_phy_info;
 632         struct ieee80211_sta __rcu *fw_id_to_mac_id[IWL_MVM_STATION_COUNT];
 633         struct work_struct sta_drained_wk;
 634         unsigned long sta_drained[BITS_TO_LONGS(IWL_MVM_STATION_COUNT)];
 635         atomic_t pending_frames[IWL_MVM_STATION_COUNT];
 636         u32 tfd_drained[IWL_MVM_STATION_COUNT];
 637         u8 rx_ba_sessions;
 638
 639         /* configured by mac80211 */
 640         u32 rts_threshold;
 641
 642         /* Scan status, cmd (pre-allocated) and auxiliary station */
 643         unsigned int scan_status;
 644         void *scan_cmd;
 645         struct iwl_mcast_filter_cmd *mcast_filter_cmd;
 646
 647         /* max number of simultaneous scans the FW supports */
 648         unsigned int max_scans;
 649
 650         /* UMAC scan tracking */
 651         u32 scan_uid_status[IWL_MVM_MAX_UMAC_SCANS];
 652
 653         /* rx chain antennas set through debugfs for the scan command */
 654         u8 scan_rx_ant;
 655
 656 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
 657         /* broadcast filters to configure for each associated station */
 658         const struct iwl_fw_bcast_filter *bcast_filters;
 659 #ifdef CONFIG_IWLWIFI_DEBUGFS
 660         struct {
 661                 bool override;
 662                 struct iwl_bcast_filter_cmd cmd;
 663         } dbgfs_bcast_filtering;
 664 #endif
 665 #endif
 666
 667         /* Internal station */
 668         struct iwl_mvm_int_sta aux_sta;
 669
 670         bool last_ebs_successful;
 671
 672         u8 scan_last_antenna_idx; /* to toggle TX between antennas */
 673         u8 mgmt_last_antenna_idx;
 674
 675         /* last smart fifo state that was successfully sent to firmware */
 676         enum iwl_sf_state sf_state;
 677
 678 #ifdef CONFIG_IWLWIFI_DEBUGFS
 679         struct dentry *debugfs_dir;
 680         u32 dbgfs_sram_offset, dbgfs_sram_len;
 681         u32 dbgfs_prph_reg_addr;
 682         bool disable_power_off;
 683         bool disable_power_off_d3;
 684
 685         bool scan_iter_notif_enabled;
 686
 687         struct debugfs_blob_wrapper nvm_hw_blob;
 688         struct debugfs_blob_wrapper nvm_sw_blob;
 689         struct debugfs_blob_wrapper nvm_calib_blob;
 690         struct debugfs_blob_wrapper nvm_prod_blob;
 691         struct debugfs_blob_wrapper nvm_phy_sku_blob;
 692
 693         struct iwl_mvm_frame_stats drv_rx_stats;
 694         spinlock_t drv_stats_lock;
 695         u16 dbgfs_rx_phyinfo;
 696 #endif
 697
 698         struct iwl_mvm_phy_ctxt phy_ctxts[NUM_PHY_CTX];
 699
 700         struct list_head time_event_list;
 701         spinlock_t time_event_lock;
 702
 703         /*
 704          * A bitmap indicating the index of the key in use. The firmware
 705          * can hold 16 keys at most. Reflect this fact.
 706          */
 707         unsigned long fw_key_table[BITS_TO_LONGS(STA_KEY_MAX_NUM)];
 708         u8 fw_key_deleted[STA_KEY_MAX_NUM];
 709
 710         /* references taken by the driver and spinlock protecting them */
 711         spinlock_t refs_lock;
 712         u8 refs[IWL_MVM_REF_COUNT];
 713
 714         u8 vif_count;
 715
 716         /* -1 for always, 0 for never, >0 for that many times */
 717         s8 restart_fw;
 718         u8 fw_dbg_conf;
 719         struct delayed_work fw_dump_wk;
 720         struct iwl_mvm_dump_desc *fw_dump_desc;
 721         struct iwl_fw_dbg_trigger_tlv *fw_dump_trig;
 722
 723 #ifdef CONFIG_IWLWIFI_LEDS
 724         struct led_classdev led;
 725 #endif
 726
 727         struct ieee80211_vif *p2p_device_vif;
 728
 729 #ifdef CONFIG_PM_SLEEP
 730         struct wiphy_wowlan_support wowlan;
 731         int gtk_ivlen, gtk_icvlen, ptk_ivlen, ptk_icvlen;
 732
 733         /* sched scan settings for net detect */
 734         struct cfg80211_sched_scan_request *nd_config;
 735         struct ieee80211_scan_ies nd_ies;
 736         struct cfg80211_match_set *nd_match_sets;
 737         int n_nd_match_sets;
 738         struct ieee80211_channel **nd_channels;
 739         int n_nd_channels;
 740         bool net_detect;
 741 #ifdef CONFIG_IWLWIFI_DEBUGFS
 742         bool d3_wake_sysassert;
 743         bool d3_test_active;
 744         bool store_d3_resume_sram;
 745         void *d3_resume_sram;
 746         u32 d3_test_pme_ptr;
 747         struct ieee80211_vif *keep_vif;
 748         u32 last_netdetect_scans; /* no. of scans in the last net-detect wake */
 749 #endif
 750 #endif
 751
 752         /* d0i3 */
 753         u8 d0i3_ap_sta_id;
 754         bool d0i3_offloading;
 755         struct work_struct d0i3_exit_work;
 756         struct sk_buff_head d0i3_tx;
 757         /* protect d0i3_suspend_flags */
 758         struct mutex d0i3_suspend_mutex;
 759         unsigned long d0i3_suspend_flags;
 760         /* sync d0i3_tx queue and IWL_MVM_STATUS_IN_D0I3 status flag */
 761         spinlock_t d0i3_tx_lock;
 762         wait_queue_head_t d0i3_exit_waitq;
 763
 764         /* BT-Coex */
 765         u8 bt_ack_kill_msk[NUM_PHY_CTX];
 766         u8 bt_cts_kill_msk[NUM_PHY_CTX];
 767
 768         struct iwl_bt_coex_profile_notif_old last_bt_notif_old;
 769         struct iwl_bt_coex_ci_cmd_old last_bt_ci_cmd_old;
 770         struct iwl_bt_coex_profile_notif last_bt_notif;
 771         struct iwl_bt_coex_ci_cmd last_bt_ci_cmd;
 772
 773         u32 last_ant_isol;
 774         u8 last_corun_lut;
 775         u8 bt_tx_prio;
 776         enum iwl_bt_force_ant_mode bt_force_ant_mode;
 777
 778         /* Aux ROC */
 779         struct list_head aux_roc_te_list;
 780
 781         /* Thermal Throttling and CTkill */
 782         struct iwl_mvm_tt_mgmt thermal_throttle;
 783         s32 temperature;        /* Celsius */
 784         /*
 785          * Debug option to set the NIC temperature. This option makes the
 786          * driver think this is the actual NIC temperature, and ignore the
 787          * real temperature that is received from the fw
 788          */
 789         bool temperature_test;  /* Debug test temperature is enabled */
 790
 791         struct iwl_time_quota_cmd last_quota_cmd;
 792
 793 #ifdef CONFIG_NL80211_TESTMODE
 794         u32 noa_duration;
 795         struct ieee80211_vif *noa_vif;
 796 #endif
 797
 798         /* Tx queues */
 799         u8 aux_queue;
 800         u8 first_agg_queue;
 801         u8 last_agg_queue;
 802
 803         /* Indicate if device power save is allowed */
 804         u8 ps_disabled; /* u8 instead of bool to ease debugfs_create_* usage */
 805
 806         struct ieee80211_vif __rcu *csa_vif;
 807         struct ieee80211_vif __rcu *csa_tx_blocked_vif;
 808         u8 csa_tx_block_bcn_timeout;
 809
 810         /* system time of last beacon (for AP/GO interface) */
 811         u32 ap_last_beacon_gp2;
 812
 813         bool lar_regdom_set;
 814         enum iwl_mcc_source mcc_src;
 815
 816         u8 low_latency_agg_frame_limit;
 817
 818         /* TDLS channel switch data */
 819         struct {
 820                 struct delayed_work dwork;
 821                 enum iwl_mvm_tdls_cs_state state;
 822
 823                 /*
 824                  * Current cs sta - might be different from periodic cs peer
 825                  * station. Value is meaningless when the cs-state is idle.
 826                  */
 827                 u8 cur_sta_id;
 828
 829                 /* TDLS periodic channel-switch peer */
 830                 struct {
 831                         u8 sta_id;
 832                         u8 op_class;
 833                         bool initiator; /* are we the link initiator */
 834                         struct cfg80211_chan_def chandef;
 835                         struct sk_buff *skb; /* ch sw template */
 836                         u32 ch_sw_tm_ie;
 837
 838                         /* timestamp of last ch-sw request sent (GP2 time) */
 839                         u32 sent_timestamp;
 840                 } peer;
 841         } tdls_cs;
 842
 843         struct iwl_mvm_shared_mem_cfg shared_mem_cfg;
 844
 845         u32 ciphers[6];
 846         struct iwl_mvm_tof_data tof_data;
 847 };
 848
 849 /* Extract MVM priv from op_mode and _hw */
 850 #define IWL_OP_MODE_GET_MVM(_iwl_op_mode)               \
 851         ((struct iwl_mvm *)(_iwl_op_mode)->op_mode_specific)
 852
 853 #define IWL_MAC80211_GET_MVM(_hw)                       \
 854         IWL_OP_MODE_GET_MVM((struct iwl_op_mode *)((_hw)->priv))
 855
 856 enum iwl_mvm_status {
 857         IWL_MVM_STATUS_HW_RFKILL,
 858         IWL_MVM_STATUS_HW_CTKILL,
 859         IWL_MVM_STATUS_ROC_RUNNING,
 860         IWL_MVM_STATUS_IN_HW_RESTART,
 861         IWL_MVM_STATUS_IN_D0I3,
 862         IWL_MVM_STATUS_ROC_AUX_RUNNING,
 863         IWL_MVM_STATUS_D3_RECONFIG,
 864         IWL_MVM_STATUS_DUMPING_FW_LOG,
 865 };
 866
 867 static inline bool iwl_mvm_is_radio_killed(struct iwl_mvm *mvm)
 868 {
 869         return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status) ||
 870                test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
 871 }
 872
 873 static inline bool iwl_mvm_is_radio_hw_killed(struct iwl_mvm *mvm)
 874 {
 875         return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status);
 876 }
 877
 878 /* Must be called with rcu_read_lock() held and it can only be
 879  * released when mvmsta is not needed anymore.
 880  */
 881 static inline struct iwl_mvm_sta *
 882 iwl_mvm_sta_from_staid_rcu(struct iwl_mvm *mvm, u8 sta_id)
 883 {
 884         struct ieee80211_sta *sta;
 885
 886         if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
 887                 return NULL;
 888
 889         sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
 890
 891         /* This can happen if the station has been removed right now */
 892         if (IS_ERR_OR_NULL(sta))
 893                 return NULL;
 894
 895         return iwl_mvm_sta_from_mac80211(sta);
 896 }
 897
 898 static inline struct iwl_mvm_sta *
 899 iwl_mvm_sta_from_staid_protected(struct iwl_mvm *mvm, u8 sta_id)
 900 {
 901         struct ieee80211_sta *sta;
 902
 903         if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
 904                 return NULL;
 905
 906         sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id],
 907                                         lockdep_is_held(&mvm->mutex));
 908
 909         /* This can happen if the station has been removed right now */
 910         if (IS_ERR_OR_NULL(sta))
 911                 return NULL;
 912
 913         return iwl_mvm_sta_from_mac80211(sta);
 914 }
 915
 916 static inline bool iwl_mvm_is_d0i3_supported(struct iwl_mvm *mvm)
 917 {
 918         return mvm->trans->cfg->d0i3 &&
 919                mvm->trans->d0i3_mode != IWL_D0I3_MODE_OFF &&
 920                !iwlwifi_mod_params.d0i3_disable &&
 921                fw_has_capa(&mvm->fw->ucode_capa,
 922                            IWL_UCODE_TLV_CAPA_D0I3_SUPPORT);
 923 }
 924
 925 static inline bool iwl_mvm_is_dqa_supported(struct iwl_mvm *mvm)
 926 {
 927         return fw_has_capa(&mvm->fw->ucode_capa,
 928                            IWL_UCODE_TLV_CAPA_DQA_SUPPORT);
 929 }
 930
 931 static inline bool iwl_mvm_is_lar_supported(struct iwl_mvm *mvm)
 932 {
 933         bool nvm_lar = mvm->nvm_data->lar_enabled;
 934         bool tlv_lar = fw_has_capa(&mvm->fw->ucode_capa,
 935                                    IWL_UCODE_TLV_CAPA_LAR_SUPPORT);
 936
 937         if (iwlwifi_mod_params.lar_disable)
 938                 return false;
 939
 940         /*
 941          * Enable LAR only if it is supported by the FW (TLV) &&
 942          * enabled in the NVM
 943          */
 944         if (mvm->cfg->device_family == IWL_DEVICE_FAMILY_8000)
 945                 return nvm_lar && tlv_lar;
 946         else
 947                 return tlv_lar;
 948 }
 949
 950 static inline bool iwl_mvm_is_wifi_mcc_supported(struct iwl_mvm *mvm)
 951 {
 952         return fw_has_api(&mvm->fw->ucode_capa,
 953                           IWL_UCODE_TLV_API_WIFI_MCC_UPDATE) ||
 954                fw_has_capa(&mvm->fw->ucode_capa,
 955                            IWL_UCODE_TLV_CAPA_LAR_MULTI_MCC);
 956 }
 957
 958 static inline bool iwl_mvm_bt_is_plcr_supported(struct iwl_mvm *mvm)
 959 {
 960         return fw_has_capa(&mvm->fw->ucode_capa,
 961                            IWL_UCODE_TLV_CAPA_BT_COEX_PLCR) &&
 962                 IWL_MVM_BT_COEX_CORUNNING;
 963 }
 964
 965 static inline bool iwl_mvm_bt_is_rrc_supported(struct iwl_mvm *mvm)
 966 {
 967         return fw_has_capa(&mvm->fw->ucode_capa,
 968                            IWL_UCODE_TLV_CAPA_BT_COEX_RRC) &&
 969                 IWL_MVM_BT_COEX_RRC;
 970 }
 971
 972 static inline bool iwl_mvm_is_csum_supported(struct iwl_mvm *mvm)
 973 {
 974         return fw_has_capa(&mvm->fw->ucode_capa,
 975                            IWL_UCODE_TLV_CAPA_CSUM_SUPPORT);
 976 }
 977
 978 static inline bool iwl_mvm_has_new_rx_api(struct iwl_mvm *mvm)
 979 {
 980         /* firmware flag isn't defined yet */
 981         return false;
 982 }
 983
 984 extern const u8 iwl_mvm_ac_to_tx_fifo[];
 985
 986 struct iwl_rate_info {
 987         u8 plcp;        /* uCode API:  IWL_RATE_6M_PLCP, etc. */
 988         u8 plcp_siso;   /* uCode API:  IWL_RATE_SISO_6M_PLCP, etc. */
 989         u8 plcp_mimo2;  /* uCode API:  IWL_RATE_MIMO2_6M_PLCP, etc. */
 990         u8 plcp_mimo3;  /* uCode API:  IWL_RATE_MIMO3_6M_PLCP, etc. */
 991         u8 ieee;        /* MAC header:  IWL_RATE_6M_IEEE, etc. */
 992 };
 993
 994 void __iwl_mvm_mac_stop(struct iwl_mvm *mvm);
 995 int __iwl_mvm_mac_start(struct iwl_mvm *mvm);
 996
 997 /******************
 998  * MVM Methods
 999  ******************/
1000 /* uCode */
1001 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm);
1002
1003 /* Utils */
1004 int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags,
1005                                         enum ieee80211_band band);
1006 void iwl_mvm_hwrate_to_tx_rate(u32 rate_n_flags,
1007                                enum ieee80211_band band,
1008                                struct ieee80211_tx_rate *r);
1009 u8 iwl_mvm_mac80211_idx_to_hwrate(int rate_idx);
1010 void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm);
1011 u8 first_antenna(u8 mask);
1012 u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx);
1013
1014 /* Tx / Host Commands */
1015 int __must_check iwl_mvm_send_cmd(struct iwl_mvm *mvm,
1016                                   struct iwl_host_cmd *cmd);
1017 int __must_check iwl_mvm_send_cmd_pdu(struct iwl_mvm *mvm, u32 id,
1018                                       u32 flags, u16 len, const void *data);
1019 int __must_check iwl_mvm_send_cmd_status(struct iwl_mvm *mvm,
1020                                          struct iwl_host_cmd *cmd,
1021                                          u32 *status);
1022 int __must_check iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u32 id,
1023                                              u16 len, const void *data,
1024                                              u32 *status);
1025 int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb,
1026                    struct ieee80211_sta *sta);
1027 int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb);
1028 void iwl_mvm_set_tx_cmd(struct iwl_mvm *mvm, struct sk_buff *skb,
1029                         struct iwl_tx_cmd *tx_cmd,
1030                         struct ieee80211_tx_info *info, u8 sta_id);
1031 void iwl_mvm_set_tx_cmd_rate(struct iwl_mvm *mvm, struct iwl_tx_cmd *tx_cmd,
1032                             struct ieee80211_tx_info *info,
1033                             struct ieee80211_sta *sta, __le16 fc);
1034 #ifdef CONFIG_IWLWIFI_DEBUG
1035 const char *iwl_mvm_get_tx_fail_reason(u32 status);
1036 #else
1037 static inline const char *iwl_mvm_get_tx_fail_reason(u32 status) { return ""; }
1038 #endif
1039 int iwl_mvm_flush_tx_path(struct iwl_mvm *mvm, u32 tfd_msk, u32 flags);
1040 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm);
1041
1042 static inline void iwl_mvm_set_tx_cmd_ccmp(struct ieee80211_tx_info *info,
1043                                            struct iwl_tx_cmd *tx_cmd)
1044 {
1045         struct ieee80211_key_conf *keyconf = info->control.hw_key;
1046
1047         tx_cmd->sec_ctl = TX_CMD_SEC_CCM;
1048         memcpy(tx_cmd->key, keyconf->key, keyconf->keylen);
1049         if (info->flags & IEEE80211_TX_CTL_AMPDU)
1050                 tx_cmd->tx_flags |= cpu_to_le32(TX_CMD_FLG_CCMP_AGG);
1051 }
1052
1053 static inline void iwl_mvm_wait_for_async_handlers(struct iwl_mvm *mvm)
1054 {
1055         flush_work(&mvm->async_handlers_wk);
1056 }
1057
1058 /* Statistics */
1059 void iwl_mvm_handle_rx_statistics(struct iwl_mvm *mvm,
1060                                   struct iwl_rx_packet *pkt);
1061 void iwl_mvm_rx_statistics(struct iwl_mvm *mvm,
1062                            struct iwl_rx_cmd_buffer *rxb);
1063 int iwl_mvm_request_statistics(struct iwl_mvm *mvm, bool clear);
1064 void iwl_mvm_accu_radio_stats(struct iwl_mvm *mvm);
1065
1066 /* NVM */
1067 int iwl_nvm_init(struct iwl_mvm *mvm, bool read_nvm_from_nic);
1068 int iwl_mvm_load_nvm_to_nic(struct iwl_mvm *mvm);
1069
1070 static inline u8 iwl_mvm_get_valid_tx_ant(struct iwl_mvm *mvm)
1071 {
1072         return mvm->nvm_data && mvm->nvm_data->valid_tx_ant ?
1073                mvm->fw->valid_tx_ant & mvm->nvm_data->valid_tx_ant :
1074                mvm->fw->valid_tx_ant;
1075 }
1076
1077 static inline u8 iwl_mvm_get_valid_rx_ant(struct iwl_mvm *mvm)
1078 {
1079         return mvm->nvm_data && mvm->nvm_data->valid_rx_ant ?
1080                mvm->fw->valid_rx_ant & mvm->nvm_data->valid_rx_ant :
1081                mvm->fw->valid_rx_ant;
1082 }
1083
1084 static inline u32 iwl_mvm_get_phy_config(struct iwl_mvm *mvm)
1085 {
1086         u32 phy_config = ~(FW_PHY_CFG_TX_CHAIN |
1087                            FW_PHY_CFG_RX_CHAIN);
1088         u32 valid_rx_ant = iwl_mvm_get_valid_rx_ant(mvm);
1089         u32 valid_tx_ant = iwl_mvm_get_valid_tx_ant(mvm);
1090
1091         phy_config |= valid_tx_ant << FW_PHY_CFG_TX_CHAIN_POS |
1092                       valid_rx_ant << FW_PHY_CFG_RX_CHAIN_POS;
1093
1094         return mvm->fw->phy_config & phy_config;
1095 }
1096
1097 int iwl_mvm_up(struct iwl_mvm *mvm);
1098 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm);
1099
1100 int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm);
1101 bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm,
1102                                     struct iwl_bcast_filter_cmd *cmd);
1103
1104 /*
1105  * FW notifications / CMD responses handlers
1106  * Convention: iwl_mvm_rx_<NAME OF THE CMD>
1107  */
1108 void iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1109 void iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct napi_struct *napi,
1110                         struct iwl_rx_cmd_buffer *rxb);
1111 void iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1112 void iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1113 void iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm,
1114                                    struct iwl_rx_cmd_buffer *rxb);
1115 void iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1116 void iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
1117                                  struct iwl_rx_cmd_buffer *rxb);
1118 void iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm,
1119                              struct iwl_rx_cmd_buffer *rxb);
1120 void iwl_mvm_rx_shared_mem_cfg_notif(struct iwl_mvm *mvm,
1121                                      struct iwl_rx_cmd_buffer *rxb);
1122
1123 /* MVM PHY */
1124 int iwl_mvm_phy_ctxt_add(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
1125                          struct cfg80211_chan_def *chandef,
1126                          u8 chains_static, u8 chains_dynamic);
1127 int iwl_mvm_phy_ctxt_changed(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
1128                              struct cfg80211_chan_def *chandef,
1129                              u8 chains_static, u8 chains_dynamic);
1130 void iwl_mvm_phy_ctxt_ref(struct iwl_mvm *mvm,
1131                           struct iwl_mvm_phy_ctxt *ctxt);
1132 void iwl_mvm_phy_ctxt_unref(struct iwl_mvm *mvm,
1133                             struct iwl_mvm_phy_ctxt *ctxt);
1134 int iwl_mvm_phy_ctx_count(struct iwl_mvm *mvm);
1135 u8 iwl_mvm_get_channel_width(struct cfg80211_chan_def *chandef);
1136 u8 iwl_mvm_get_ctrl_pos(struct cfg80211_chan_def *chandef);
1137
1138 /* MAC (virtual interface) programming */
1139 int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1140 void iwl_mvm_mac_ctxt_release(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1141 int iwl_mvm_mac_ctxt_add(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1142 int iwl_mvm_mac_ctxt_changed(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1143                              bool force_assoc_off, const u8 *bssid_override);
1144 int iwl_mvm_mac_ctxt_remove(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1145 u32 iwl_mvm_mac_get_queues_mask(struct ieee80211_vif *vif);
1146 int iwl_mvm_mac_ctxt_beacon_changed(struct iwl_mvm *mvm,
1147                                     struct ieee80211_vif *vif);
1148 void iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm,
1149                              struct iwl_rx_cmd_buffer *rxb);
1150 void iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm,
1151                                      struct iwl_rx_cmd_buffer *rxb);
1152 void iwl_mvm_mac_ctxt_recalc_tsf_id(struct iwl_mvm *mvm,
1153                                     struct ieee80211_vif *vif);
1154 unsigned long iwl_mvm_get_used_hw_queues(struct iwl_mvm *mvm,
1155                                          struct ieee80211_vif *exclude_vif);
1156 /* Bindings */
1157 int iwl_mvm_binding_add_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1158 int iwl_mvm_binding_remove_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1159
1160 /* Quota management */
1161 int iwl_mvm_update_quotas(struct iwl_mvm *mvm, bool force_upload,
1162                           struct ieee80211_vif *disabled_vif);
1163
1164 /* Scanning */
1165 int iwl_mvm_reg_scan_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1166                            struct cfg80211_scan_request *req,
1167                            struct ieee80211_scan_ies *ies);
1168 int iwl_mvm_scan_size(struct iwl_mvm *mvm);
1169 int iwl_mvm_scan_stop(struct iwl_mvm *mvm, int type, bool notify);
1170 int iwl_mvm_max_scan_ie_len(struct iwl_mvm *mvm);
1171 void iwl_mvm_report_scan_aborted(struct iwl_mvm *mvm);
1172
1173 /* Scheduled scan */
1174 void iwl_mvm_rx_lmac_scan_complete_notif(struct iwl_mvm *mvm,
1175                                          struct iwl_rx_cmd_buffer *rxb);
1176 void iwl_mvm_rx_lmac_scan_iter_complete_notif(struct iwl_mvm *mvm,
1177                                               struct iwl_rx_cmd_buffer *rxb);
1178 int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm,
1179                              struct ieee80211_vif *vif,
1180                              struct cfg80211_sched_scan_request *req,
1181                              struct ieee80211_scan_ies *ies,
1182                              int type);
1183 void iwl_mvm_rx_scan_match_found(struct iwl_mvm *mvm,
1184                                  struct iwl_rx_cmd_buffer *rxb);
1185
1186 /* UMAC scan */
1187 int iwl_mvm_config_scan(struct iwl_mvm *mvm);
1188 void iwl_mvm_rx_umac_scan_complete_notif(struct iwl_mvm *mvm,
1189                                          struct iwl_rx_cmd_buffer *rxb);
1190 void iwl_mvm_rx_umac_scan_iter_complete_notif(struct iwl_mvm *mvm,
1191                                               struct iwl_rx_cmd_buffer *rxb);
1192
1193 /* MVM debugfs */
1194 #ifdef CONFIG_IWLWIFI_DEBUGFS
1195 int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir);
1196 void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1197 void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1198 #else
1199 static inline int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm,
1200                                          struct dentry *dbgfs_dir)
1201 {
1202         return 0;
1203 }
1204 static inline void
1205 iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1206 {
1207 }
1208 static inline void
1209 iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1210 {
1211 }
1212 #endif /* CONFIG_IWLWIFI_DEBUGFS */
1213
1214 /* rate scaling */
1215 int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool init);
1216 void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm, u32 rate, bool agg);
1217 int rs_pretty_print_rate(char *buf, const u32 rate);
1218 void rs_update_last_rssi(struct iwl_mvm *mvm,
1219                          struct iwl_lq_sta *lq_sta,
1220                          struct ieee80211_rx_status *rx_status);
1221
1222 /* power management */
1223 int iwl_mvm_power_update_device(struct iwl_mvm *mvm);
1224 int iwl_mvm_power_update_mac(struct iwl_mvm *mvm);
1225 int iwl_mvm_power_update_ps(struct iwl_mvm *mvm);
1226 int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1227                                  char *buf, int bufsz);
1228
1229 void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1230 void iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm,
1231                                               struct iwl_rx_cmd_buffer *rxb);
1232
1233 #ifdef CONFIG_IWLWIFI_LEDS
1234 int iwl_mvm_leds_init(struct iwl_mvm *mvm);
1235 void iwl_mvm_leds_exit(struct iwl_mvm *mvm);
1236 #else
1237 static inline int iwl_mvm_leds_init(struct iwl_mvm *mvm)
1238 {
1239         return 0;
1240 }
1241 static inline void iwl_mvm_leds_exit(struct iwl_mvm *mvm)
1242 {
1243 }
1244 #endif
1245
1246 /* D3 (WoWLAN, NetDetect) */
1247 int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan);
1248 int iwl_mvm_resume(struct ieee80211_hw *hw);
1249 void iwl_mvm_set_wakeup(struct ieee80211_hw *hw, bool enabled);
1250 void iwl_mvm_set_rekey_data(struct ieee80211_hw *hw,
1251                             struct ieee80211_vif *vif,
1252                             struct cfg80211_gtk_rekey_data *data);
1253 void iwl_mvm_ipv6_addr_change(struct ieee80211_hw *hw,
1254                               struct ieee80211_vif *vif,
1255                               struct inet6_dev *idev);
1256 void iwl_mvm_set_default_unicast_key(struct ieee80211_hw *hw,
1257                                      struct ieee80211_vif *vif, int idx);
1258 extern const struct file_operations iwl_dbgfs_d3_test_ops;
1259 #ifdef CONFIG_PM_SLEEP
1260 void iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm,
1261                                  struct ieee80211_vif *vif);
1262 #else
1263 static inline void
1264 iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1265 {
1266 }
1267 #endif
1268 void iwl_mvm_set_wowlan_qos_seq(struct iwl_mvm_sta *mvm_ap_sta,
1269                                 struct iwl_wowlan_config_cmd *cmd);
1270 int iwl_mvm_send_proto_offload(struct iwl_mvm *mvm,
1271                                struct ieee80211_vif *vif,
1272                                bool disable_offloading,
1273                                u32 cmd_flags);
1274
1275 /* D0i3 */
1276 void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1277 void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1278 int iwl_mvm_ref_sync(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1279 bool iwl_mvm_ref_taken(struct iwl_mvm *mvm);
1280 void iwl_mvm_d0i3_enable_tx(struct iwl_mvm *mvm, __le16 *qos_seq);
1281 int iwl_mvm_enter_d0i3(struct iwl_op_mode *op_mode);
1282 int iwl_mvm_exit_d0i3(struct iwl_op_mode *op_mode);
1283 int _iwl_mvm_exit_d0i3(struct iwl_mvm *mvm);
1284
1285 /* BT Coex */
1286 int iwl_send_bt_init_conf(struct iwl_mvm *mvm);
1287 void iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm,
1288                               struct iwl_rx_cmd_buffer *rxb);
1289 void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1290                            enum ieee80211_rssi_event_data);
1291 void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm);
1292 u16 iwl_mvm_coex_agg_time_limit(struct iwl_mvm *mvm,
1293                                 struct ieee80211_sta *sta);
1294 bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm,
1295                                      struct ieee80211_sta *sta);
1296 bool iwl_mvm_bt_coex_is_ant_avail(struct iwl_mvm *mvm, u8 ant);
1297 bool iwl_mvm_bt_coex_is_shared_ant_avail(struct iwl_mvm *mvm);
1298 bool iwl_mvm_bt_coex_is_tpc_allowed(struct iwl_mvm *mvm,
1299                                     enum ieee80211_band band);
1300 u8 iwl_mvm_bt_coex_tx_prio(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr,
1301                            struct ieee80211_tx_info *info, u8 ac);
1302
1303 bool iwl_mvm_bt_coex_is_shared_ant_avail_old(struct iwl_mvm *mvm);
1304 void iwl_mvm_bt_coex_vif_change_old(struct iwl_mvm *mvm);
1305 int iwl_send_bt_init_conf_old(struct iwl_mvm *mvm);
1306 void iwl_mvm_rx_bt_coex_notif_old(struct iwl_mvm *mvm,
1307                                   struct iwl_rx_cmd_buffer *rxb);
1308 void iwl_mvm_bt_rssi_event_old(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1309                                enum ieee80211_rssi_event_data);
1310 u16 iwl_mvm_coex_agg_time_limit_old(struct iwl_mvm *mvm,
1311                                     struct ieee80211_sta *sta);
1312 bool iwl_mvm_bt_coex_is_mimo_allowed_old(struct iwl_mvm *mvm,
1313                                          struct ieee80211_sta *sta);
1314 bool iwl_mvm_bt_coex_is_tpc_allowed_old(struct iwl_mvm *mvm,
1315                                         enum ieee80211_band band);
1316 void iwl_mvm_rx_ant_coupling_notif_old(struct iwl_mvm *mvm,
1317                                        struct iwl_rx_cmd_buffer *rxb);
1318
1319 /* beacon filtering */
1320 #ifdef CONFIG_IWLWIFI_DEBUGFS
1321 void
1322 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1323                                          struct iwl_beacon_filter_cmd *cmd);
1324 #else
1325 static inline void
1326 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1327                                          struct iwl_beacon_filter_cmd *cmd)
1328 {}
1329 #endif
1330 int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm,
1331                                    struct ieee80211_vif *vif,
1332                                    bool enable, u32 flags);
1333 int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
1334                                  struct ieee80211_vif *vif,
1335                                  u32 flags);
1336 int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
1337                                   struct ieee80211_vif *vif,
1338                                   u32 flags);
1339 /* SMPS */
1340 void iwl_mvm_update_smps(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1341                                 enum iwl_mvm_smps_type_request req_type,
1342                                 enum ieee80211_smps_mode smps_request);
1343 bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm *mvm);
1344
1345 /* Low latency */
1346 int iwl_mvm_update_low_latency(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1347                                bool value);
1348 /* get SystemLowLatencyMode - only needed for beacon threshold? */
1349 bool iwl_mvm_low_latency(struct iwl_mvm *mvm);
1350 /* get VMACLowLatencyMode */
1351 static inline bool iwl_mvm_vif_low_latency(struct iwl_mvm_vif *mvmvif)
1352 {
1353         /*
1354          * should this consider associated/active/... state?
1355          *
1356          * Normally low-latency should only be active on interfaces
1357          * that are active, but at least with debugfs it can also be
1358          * enabled on interfaces that aren't active. However, when
1359          * interface aren't active then they aren't added into the
1360          * binding, so this has no real impact. For now, just return
1361          * the current desired low-latency state.
1362          */
1363
1364         return mvmvif->low_latency;
1365 }
1366
1367 /* hw scheduler queue config */
1368 void iwl_mvm_enable_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue,
1369                         u16 ssn, const struct iwl_trans_txq_scd_cfg *cfg,
1370                         unsigned int wdg_timeout);
1371 /*
1372  * Disable a TXQ.
1373  * Note that in non-DQA mode the %mac80211_queue and %tid params are ignored.
1374  */
1375 void iwl_mvm_disable_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue,
1376                          u8 tid, u8 flags);
1377 int iwl_mvm_find_free_queue(struct iwl_mvm *mvm, u8 minq, u8 maxq);
1378
1379 static inline
1380 void iwl_mvm_enable_ac_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue,
1381                            u8 fifo, u16 ssn, unsigned int wdg_timeout)
1382 {
1383         struct iwl_trans_txq_scd_cfg cfg = {
1384                 .fifo = fifo,
1385                 .tid = IWL_MAX_TID_COUNT,
1386                 .aggregate = false,
1387                 .frame_limit = IWL_FRAME_LIMIT,
1388         };
1389
1390         iwl_mvm_enable_txq(mvm, queue, mac80211_queue, ssn, &cfg, wdg_timeout);
1391 }
1392
1393 static inline void iwl_mvm_enable_agg_txq(struct iwl_mvm *mvm, int queue,
1394                                           int mac80211_queue, int fifo,
1395                                           int sta_id, int tid, int frame_limit,
1396                                           u16 ssn, unsigned int wdg_timeout)
1397 {
1398         struct iwl_trans_txq_scd_cfg cfg = {
1399                 .fifo = fifo,
1400                 .sta_id = sta_id,
1401                 .tid = tid,
1402                 .frame_limit = frame_limit,
1403                 .aggregate = true,
1404         };
1405
1406         iwl_mvm_enable_txq(mvm, queue, mac80211_queue, ssn, &cfg, wdg_timeout);
1407 }
1408
1409 /* Thermal management and CT-kill */
1410 void iwl_mvm_tt_tx_backoff(struct iwl_mvm *mvm, u32 backoff);
1411 void iwl_mvm_tt_temp_changed(struct iwl_mvm *mvm, u32 temp);
1412 void iwl_mvm_temp_notif(struct iwl_mvm *mvm,
1413                         struct iwl_rx_cmd_buffer *rxb);
1414 void iwl_mvm_tt_handler(struct iwl_mvm *mvm);
1415 void iwl_mvm_tt_initialize(struct iwl_mvm *mvm, u32 min_backoff);
1416 void iwl_mvm_tt_exit(struct iwl_mvm *mvm);
1417 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state);
1418 int iwl_mvm_get_temp(struct iwl_mvm *mvm);
1419
1420 /* Location Aware Regulatory */
1421 struct iwl_mcc_update_resp *
1422 iwl_mvm_update_mcc(struct iwl_mvm *mvm, const char *alpha2,
1423                    enum iwl_mcc_source src_id);
1424 int iwl_mvm_init_mcc(struct iwl_mvm *mvm);
1425 void iwl_mvm_rx_chub_update_mcc(struct iwl_mvm *mvm,
1426                                 struct iwl_rx_cmd_buffer *rxb);
1427 struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy,
1428                                                   const char *alpha2,
1429                                                   enum iwl_mcc_source src_id,
1430                                                   bool *changed);
1431 struct ieee80211_regdomain *iwl_mvm_get_current_regdomain(struct iwl_mvm *mvm,
1432                                                           bool *changed);
1433 int iwl_mvm_init_fw_regd(struct iwl_mvm *mvm);
1434 void iwl_mvm_update_changed_regdom(struct iwl_mvm *mvm);
1435
1436 /* smart fifo */
1437 int iwl_mvm_sf_update(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1438                       bool added_vif);
1439
1440 /* TDLS */
1441
1442 /*
1443  * We use TID 4 (VI) as a FW-used-only TID when TDLS connections are present.
1444  * This TID is marked as used vs the AP and all connected TDLS peers.
1445  */
1446 #define IWL_MVM_TDLS_FW_TID 4
1447
1448 int iwl_mvm_tdls_sta_count(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1449 void iwl_mvm_teardown_tdls_peers(struct iwl_mvm *mvm);
1450 void iwl_mvm_recalc_tdls_state(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1451                                bool sta_added);
1452 void iwl_mvm_mac_mgd_protect_tdls_discover(struct ieee80211_hw *hw,
1453                                            struct ieee80211_vif *vif);
1454 int iwl_mvm_tdls_channel_switch(struct ieee80211_hw *hw,
1455                                 struct ieee80211_vif *vif,
1456                                 struct ieee80211_sta *sta, u8 oper_class,
1457                                 struct cfg80211_chan_def *chandef,
1458                                 struct sk_buff *tmpl_skb, u32 ch_sw_tm_ie);
1459 void iwl_mvm_tdls_recv_channel_switch(struct ieee80211_hw *hw,
1460                                       struct ieee80211_vif *vif,
1461                                       struct ieee80211_tdls_ch_sw_params *params);
1462 void iwl_mvm_tdls_cancel_channel_switch(struct ieee80211_hw *hw,
1463                                         struct ieee80211_vif *vif,
1464                                         struct ieee80211_sta *sta);
1465 void iwl_mvm_rx_tdls_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1466 void iwl_mvm_tdls_ch_switch_work(struct work_struct *work);
1467
1468 struct ieee80211_vif *iwl_mvm_get_bss_vif(struct iwl_mvm *mvm);
1469
1470 void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error);
1471 void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm);
1472
1473 int iwl_mvm_start_fw_dbg_conf(struct iwl_mvm *mvm, u8 id);
1474 int iwl_mvm_fw_dbg_collect(struct iwl_mvm *mvm, enum iwl_fw_dbg_trigger trig,
1475                            const char *str, size_t len,
1476                            struct iwl_fw_dbg_trigger_tlv *trigger);
1477 int iwl_mvm_fw_dbg_collect_desc(struct iwl_mvm *mvm,
1478                                 struct iwl_mvm_dump_desc *desc,
1479                                 struct iwl_fw_dbg_trigger_tlv *trigger);
1480 void iwl_mvm_free_fw_dump_desc(struct iwl_mvm *mvm);
1481 int iwl_mvm_fw_dbg_collect_trig(struct iwl_mvm *mvm,
1482                                 struct iwl_fw_dbg_trigger_tlv *trigger,
1483                                 const char *fmt, ...) __printf(3, 4);
1484 unsigned int iwl_mvm_get_wd_timeout(struct iwl_mvm *mvm,
1485                                     struct ieee80211_vif *vif,
1486                                     bool tdls, bool cmd_q);
1487 void iwl_mvm_connection_loss(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1488                              const char *errmsg);
1489 static inline bool
1490 iwl_fw_dbg_trigger_vif_match(struct iwl_fw_dbg_trigger_tlv *trig,
1491                              struct ieee80211_vif *vif)
1492 {
1493         u32 trig_vif = le32_to_cpu(trig->vif_type);
1494
1495         return trig_vif == IWL_FW_DBG_CONF_VIF_ANY || vif->type == trig_vif;
1496 }
1497
1498 static inline bool
1499 iwl_fw_dbg_trigger_stop_conf_match(struct iwl_mvm *mvm,
1500                                    struct iwl_fw_dbg_trigger_tlv *trig)
1501 {
1502         return ((trig->mode & IWL_FW_DBG_TRIGGER_STOP) &&
1503                 (mvm->fw_dbg_conf == FW_DBG_INVALID ||
1504                 (BIT(mvm->fw_dbg_conf) & le32_to_cpu(trig->stop_conf_ids))));
1505 }
1506
1507 static inline bool
1508 iwl_fw_dbg_trigger_check_stop(struct iwl_mvm *mvm,
1509                               struct ieee80211_vif *vif,
1510                               struct iwl_fw_dbg_trigger_tlv *trig)
1511 {
1512         if (vif && !iwl_fw_dbg_trigger_vif_match(trig, vif))
1513                 return false;
1514
1515         return iwl_fw_dbg_trigger_stop_conf_match(mvm, trig);
1516 }
1517
1518 static inline void
1519 iwl_fw_dbg_trigger_simple_stop(struct iwl_mvm *mvm,
1520                                struct ieee80211_vif *vif,
1521                                enum iwl_fw_dbg_trigger trig)
1522 {
1523         struct iwl_fw_dbg_trigger_tlv *trigger;
1524
1525         if (!iwl_fw_dbg_trigger_enabled(mvm->fw, trig))
1526                 return;
1527
1528         trigger = iwl_fw_dbg_get_trigger(mvm->fw, trig);
1529         if (!iwl_fw_dbg_trigger_check_stop(mvm, vif, trigger))
1530                 return;
1531
1532         iwl_mvm_fw_dbg_collect_trig(mvm, trigger, NULL);
1533 }
1534
1535 #endif /* __IWL_MVM_H__ */