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 "sta.h"
  79 #include "fw-api.h"
  80 #include "constants.h"
  81
  82 #define IWL_INVALID_MAC80211_QUEUE      0xff
  83 #define IWL_MVM_MAX_ADDRESSES           5
  84 /* RSSI offset for WkP */
  85 #define IWL_RSSI_OFFSET 50
  86 #define IWL_MVM_MISSED_BEACONS_THRESHOLD 8
  87 /* A TimeUnit is 1024 microsecond */
  88 #define MSEC_TO_TU(_msec)       (_msec*1000/1024)
  89
  90 /* For GO, this value represents the number of TUs before CSA "beacon
  91  * 0" TBTT when the CSA time-event needs to be scheduled to start.  It
  92  * must be big enough to ensure that we switch in time.
  93  */
  94 #define IWL_MVM_CHANNEL_SWITCH_TIME_GO          40
  95
  96 /* For client, this value represents the number of TUs before CSA
  97  * "beacon 1" TBTT, instead.  This is because we don't know when the
  98  * GO/AP will be in the new channel, so we switch early enough.
  99  */
 100 #define IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT      10
 101
 102 /*
 103  * This value (in TUs) is used to fine tune the CSA NoA end time which should
 104  * be just before "beacon 0" TBTT.
 105  */
 106 #define IWL_MVM_CHANNEL_SWITCH_MARGIN 4
 107
 108 /*
 109  * Number of beacons to transmit on a new channel until we unblock tx to
 110  * the stations, even if we didn't identify them on a new channel
 111  */
 112 #define IWL_MVM_CS_UNBLOCK_TX_TIMEOUT 3
 113
 114 extern const struct ieee80211_ops iwl_mvm_hw_ops;
 115
 116 /**
 117  * struct iwl_mvm_mod_params - module parameters for iwlmvm
 118  * @init_dbg: if true, then the NIC won't be stopped if the INIT fw asserted.
 119  *      We will register to mac80211 to have testmode working. The NIC must not
 120  *      be up'ed after the INIT fw asserted. This is useful to be able to use
 121  *      proprietary tools over testmode to debug the INIT fw.
 122  * @power_scheme: CAM(Continuous Active Mode)-1, BPS(Balanced Power
 123  *      Save)-2(default), LP(Low Power)-3
 124  */
 125 struct iwl_mvm_mod_params {
 126         bool init_dbg;
 127         int power_scheme;
 128 };
 129 extern struct iwl_mvm_mod_params iwlmvm_mod_params;
 130
 131 /**
 132  * struct iwl_mvm_dump_ptrs - set of pointers needed for the fw-error-dump
 133  *
 134  * @op_mode_ptr: pointer to the buffer coming from the mvm op_mode
 135  * @trans_ptr: pointer to struct %iwl_trans_dump_data which contains the
 136  *      transport's data.
 137  * @trans_len: length of the valid data in trans_ptr
 138  * @op_mode_len: length of the valid data in op_mode_ptr
 139  */
 140 struct iwl_mvm_dump_ptrs {
 141         struct iwl_trans_dump_data *trans_ptr;
 142         void *op_mode_ptr;
 143         u32 op_mode_len;
 144 };
 145
 146 struct iwl_mvm_phy_ctxt {
 147         u16 id;
 148         u16 color;
 149         u32 ref;
 150
 151         /*
 152          * TODO: This should probably be removed. Currently here only for rate
 153          * scaling algorithm
 154          */
 155         struct ieee80211_channel *channel;
 156 };
 157
 158 struct iwl_mvm_time_event_data {
 159         struct ieee80211_vif *vif;
 160         struct list_head list;
 161         unsigned long end_jiffies;
 162         u32 duration;
 163         bool running;
 164         u32 uid;
 165
 166         /*
 167          * The access to the 'id' field must be done when the
 168          * mvm->time_event_lock is held, as it value is used to indicate
 169          * if the te is in the time event list or not (when id == TE_MAX)
 170          */
 171         u32 id;
 172 };
 173
 174  /* Power management */
 175
 176 /**
 177  * enum iwl_power_scheme
 178  * @IWL_POWER_LEVEL_CAM - Continuously Active Mode
 179  * @IWL_POWER_LEVEL_BPS - Balanced Power Save (default)
 180  * @IWL_POWER_LEVEL_LP  - Low Power
 181  */
 182 enum iwl_power_scheme {
 183         IWL_POWER_SCHEME_CAM = 1,
 184         IWL_POWER_SCHEME_BPS,
 185         IWL_POWER_SCHEME_LP
 186 };
 187
 188 #define IWL_CONN_MAX_LISTEN_INTERVAL    10
 189 #define IWL_UAPSD_MAX_SP                IEEE80211_WMM_IE_STA_QOSINFO_SP_2
 190
 191 #ifdef CONFIG_IWLWIFI_DEBUGFS
 192 enum iwl_dbgfs_pm_mask {
 193         MVM_DEBUGFS_PM_KEEP_ALIVE = BIT(0),
 194         MVM_DEBUGFS_PM_SKIP_OVER_DTIM = BIT(1),
 195         MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS = BIT(2),
 196         MVM_DEBUGFS_PM_RX_DATA_TIMEOUT = BIT(3),
 197         MVM_DEBUGFS_PM_TX_DATA_TIMEOUT = BIT(4),
 198         MVM_DEBUGFS_PM_LPRX_ENA = BIT(6),
 199         MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD = BIT(7),
 200         MVM_DEBUGFS_PM_SNOOZE_ENABLE = BIT(8),
 201         MVM_DEBUGFS_PM_UAPSD_MISBEHAVING = BIT(9),
 202         MVM_DEBUGFS_PM_USE_PS_POLL = BIT(10),
 203 };
 204
 205 struct iwl_dbgfs_pm {
 206         u16 keep_alive_seconds;
 207         u32 rx_data_timeout;
 208         u32 tx_data_timeout;
 209         bool skip_over_dtim;
 210         u8 skip_dtim_periods;
 211         bool lprx_ena;
 212         u32 lprx_rssi_threshold;
 213         bool snooze_ena;
 214         bool uapsd_misbehaving;
 215         bool use_ps_poll;
 216         int mask;
 217 };
 218
 219 /* beacon filtering */
 220
 221 enum iwl_dbgfs_bf_mask {
 222         MVM_DEBUGFS_BF_ENERGY_DELTA = BIT(0),
 223         MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA = BIT(1),
 224         MVM_DEBUGFS_BF_ROAMING_STATE = BIT(2),
 225         MVM_DEBUGFS_BF_TEMP_THRESHOLD = BIT(3),
 226         MVM_DEBUGFS_BF_TEMP_FAST_FILTER = BIT(4),
 227         MVM_DEBUGFS_BF_TEMP_SLOW_FILTER = BIT(5),
 228         MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER = BIT(6),
 229         MVM_DEBUGFS_BF_DEBUG_FLAG = BIT(7),
 230         MVM_DEBUGFS_BF_ESCAPE_TIMER = BIT(8),
 231         MVM_DEBUGFS_BA_ESCAPE_TIMER = BIT(9),
 232         MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT = BIT(10),
 233 };
 234
 235 struct iwl_dbgfs_bf {
 236         u32 bf_energy_delta;
 237         u32 bf_roaming_energy_delta;
 238         u32 bf_roaming_state;
 239         u32 bf_temp_threshold;
 240         u32 bf_temp_fast_filter;
 241         u32 bf_temp_slow_filter;
 242         u32 bf_enable_beacon_filter;
 243         u32 bf_debug_flag;
 244         u32 bf_escape_timer;
 245         u32 ba_escape_timer;
 246         u32 ba_enable_beacon_abort;
 247         int mask;
 248 };
 249 #endif
 250
 251 enum iwl_mvm_smps_type_request {
 252         IWL_MVM_SMPS_REQ_BT_COEX,
 253         IWL_MVM_SMPS_REQ_TT,
 254         IWL_MVM_SMPS_REQ_PROT,
 255         NUM_IWL_MVM_SMPS_REQ,
 256 };
 257
 258 enum iwl_mvm_ref_type {
 259         IWL_MVM_REF_UCODE_DOWN,
 260         IWL_MVM_REF_SCAN,
 261         IWL_MVM_REF_ROC,
 262         IWL_MVM_REF_P2P_CLIENT,
 263         IWL_MVM_REF_AP_IBSS,
 264         IWL_MVM_REF_USER,
 265         IWL_MVM_REF_TX,
 266         IWL_MVM_REF_TX_AGG,
 267         IWL_MVM_REF_ADD_IF,
 268         IWL_MVM_REF_START_AP,
 269         IWL_MVM_REF_BSS_CHANGED,
 270         IWL_MVM_REF_PREPARE_TX,
 271         IWL_MVM_REF_PROTECT_TDLS,
 272         IWL_MVM_REF_CHECK_CTKILL,
 273         IWL_MVM_REF_PRPH_READ,
 274         IWL_MVM_REF_PRPH_WRITE,
 275         IWL_MVM_REF_NMI,
 276         IWL_MVM_REF_TM_CMD,
 277         IWL_MVM_REF_EXIT_WORK,
 278         IWL_MVM_REF_PROTECT_CSA,
 279         IWL_MVM_REF_FW_DBG_COLLECT,
 280
 281         /* update debugfs.c when changing this */
 282
 283         IWL_MVM_REF_COUNT,
 284 };
 285
 286 enum iwl_bt_force_ant_mode {
 287         BT_FORCE_ANT_DIS = 0,
 288         BT_FORCE_ANT_AUTO,
 289         BT_FORCE_ANT_BT,
 290         BT_FORCE_ANT_WIFI,
 291
 292         BT_FORCE_ANT_MAX,
 293 };
 294
 295 /**
 296 * struct iwl_mvm_vif_bf_data - beacon filtering related data
 297 * @bf_enabled: indicates if beacon filtering is enabled
 298 * @ba_enabled: indicated if beacon abort is enabled
 299 * @ave_beacon_signal: average beacon signal
 300 * @last_cqm_event: rssi of the last cqm event
 301 * @bt_coex_min_thold: minimum threshold for BT coex
 302 * @bt_coex_max_thold: maximum threshold for BT coex
 303 * @last_bt_coex_event: rssi of the last BT coex event
 304 */
 305 struct iwl_mvm_vif_bf_data {
 306         bool bf_enabled;
 307         bool ba_enabled;
 308         s8 ave_beacon_signal;
 309         s8 last_cqm_event;
 310         s8 bt_coex_min_thold;
 311         s8 bt_coex_max_thold;
 312         s8 last_bt_coex_event;
 313 };
 314
 315 /**
 316  * struct iwl_mvm_vif - data per Virtual Interface, it is a MAC context
 317  * @id: between 0 and 3
 318  * @color: to solve races upon MAC addition and removal
 319  * @ap_sta_id: the sta_id of the AP - valid only if VIF type is STA
 320  * @bssid: BSSID for this (client) interface
 321  * @associated: indicates that we're currently associated, used only for
 322  *      managing the firmware state in iwl_mvm_bss_info_changed_station()
 323  * @uploaded: indicates the MAC context has been added to the device
 324  * @ap_ibss_active: indicates that AP/IBSS is configured and that the interface
 325  *      should get quota etc.
 326  * @pm_enabled - Indicate if MAC power management is allowed
 327  * @monitor_active: indicates that monitor context is configured, and that the
 328  *      interface should get quota etc.
 329  * @low_latency: indicates that this interface is in low-latency mode
 330  *      (VMACLowLatencyMode)
 331  * @ps_disabled: indicates that this interface requires PS to be disabled
 332  * @queue_params: QoS params for this MAC
 333  * @bcast_sta: station used for broadcast packets. Used by the following
 334  *  vifs: P2P_DEVICE, GO and AP.
 335  * @beacon_skb: the skb used to hold the AP/GO beacon template
 336  * @smps_requests: the SMPS requests of differents parts of the driver,
 337  *      combined on update to yield the overall request to mac80211.
 338  */
 339 struct iwl_mvm_vif {
 340         u16 id;
 341         u16 color;
 342         u8 ap_sta_id;
 343
 344         u8 bssid[ETH_ALEN];
 345         bool associated;
 346
 347         bool uploaded;
 348         bool ap_ibss_active;
 349         bool pm_enabled;
 350         bool monitor_active;
 351         bool low_latency;
 352         bool ps_disabled;
 353         struct iwl_mvm_vif_bf_data bf_data;
 354
 355         u32 ap_beacon_time;
 356
 357         enum iwl_tsf_id tsf_id;
 358
 359         /*
 360          * QoS data from mac80211, need to store this here
 361          * as mac80211 has a separate callback but we need
 362          * to have the data for the MAC context
 363          */
 364         struct ieee80211_tx_queue_params queue_params[IEEE80211_NUM_ACS];
 365         struct iwl_mvm_time_event_data time_event_data;
 366         struct iwl_mvm_time_event_data hs_time_event_data;
 367
 368         struct iwl_mvm_int_sta bcast_sta;
 369
 370         /*
 371          * Assigned while mac80211 has the interface in a channel context,
 372          * or, for P2P Device, while it exists.
 373          */
 374         struct iwl_mvm_phy_ctxt *phy_ctxt;
 375
 376 #ifdef CONFIG_PM_SLEEP
 377         /* WoWLAN GTK rekey data */
 378         struct {
 379                 u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN];
 380                 __le64 replay_ctr;
 381                 bool valid;
 382         } rekey_data;
 383
 384         int tx_key_idx;
 385
 386         bool seqno_valid;
 387         u16 seqno;
 388 #endif
 389
 390 #if IS_ENABLED(CONFIG_IPV6)
 391         /* IPv6 addresses for WoWLAN */
 392         struct in6_addr target_ipv6_addrs[IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_MAX];
 393         int num_target_ipv6_addrs;
 394 #endif
 395
 396 #ifdef CONFIG_IWLWIFI_DEBUGFS
 397         struct iwl_mvm *mvm;
 398         struct dentry *dbgfs_dir;
 399         struct dentry *dbgfs_slink;
 400         struct iwl_dbgfs_pm dbgfs_pm;
 401         struct iwl_dbgfs_bf dbgfs_bf;
 402         struct iwl_mac_power_cmd mac_pwr_cmd;
 403 #endif
 404
 405         enum ieee80211_smps_mode smps_requests[NUM_IWL_MVM_SMPS_REQ];
 406
 407         /* FW identified misbehaving AP */
 408         u8 uapsd_misbehaving_bssid[ETH_ALEN];
 409
 410         /* Indicates that CSA countdown may be started */
 411         bool csa_countdown;
 412 };
 413
 414 static inline struct iwl_mvm_vif *
 415 iwl_mvm_vif_from_mac80211(struct ieee80211_vif *vif)
 416 {
 417         return (void *)vif->drv_priv;
 418 }
 419
 420 extern const u8 tid_to_mac80211_ac[];
 421
 422 enum iwl_scan_status {
 423         IWL_MVM_SCAN_NONE,
 424         IWL_MVM_SCAN_OS,
 425         IWL_MVM_SCAN_SCHED,
 426 };
 427
 428 /**
 429  * struct iwl_nvm_section - describes an NVM section in memory.
 430  *
 431  * This struct holds an NVM section read from the NIC using NVM_ACCESS_CMD,
 432  * and saved for later use by the driver. Not all NVM sections are saved
 433  * this way, only the needed ones.
 434  */
 435 struct iwl_nvm_section {
 436         u16 length;
 437         const u8 *data;
 438 };
 439
 440 /*
 441  * Tx-backoff threshold
 442  * @temperature: The threshold in Celsius
 443  * @backoff: The tx-backoff in uSec
 444  */
 445 struct iwl_tt_tx_backoff {
 446         s32 temperature;
 447         u32 backoff;
 448 };
 449
 450 #define TT_TX_BACKOFF_SIZE 6
 451
 452 /**
 453  * struct iwl_tt_params - thermal throttling parameters
 454  * @ct_kill_entry: CT Kill entry threshold
 455  * @ct_kill_exit: CT Kill exit threshold
 456  * @ct_kill_duration: The time  intervals (in uSec) in which the driver needs
 457  *      to checks whether to exit CT Kill.
 458  * @dynamic_smps_entry: Dynamic SMPS entry threshold
 459  * @dynamic_smps_exit: Dynamic SMPS exit threshold
 460  * @tx_protection_entry: TX protection entry threshold
 461  * @tx_protection_exit: TX protection exit threshold
 462  * @tx_backoff: Array of thresholds for tx-backoff , in ascending order.
 463  * @support_ct_kill: Support CT Kill?
 464  * @support_dynamic_smps: Support dynamic SMPS?
 465  * @support_tx_protection: Support tx protection?
 466  * @support_tx_backoff: Support tx-backoff?
 467  */
 468 struct iwl_tt_params {
 469         s32 ct_kill_entry;
 470         s32 ct_kill_exit;
 471         u32 ct_kill_duration;
 472         s32 dynamic_smps_entry;
 473         s32 dynamic_smps_exit;
 474         s32 tx_protection_entry;
 475         s32 tx_protection_exit;
 476         struct iwl_tt_tx_backoff tx_backoff[TT_TX_BACKOFF_SIZE];
 477         bool support_ct_kill;
 478         bool support_dynamic_smps;
 479         bool support_tx_protection;
 480         bool support_tx_backoff;
 481 };
 482
 483 /**
 484  * struct iwl_mvm_tt_mgnt - Thermal Throttling Management structure
 485  * @ct_kill_exit: worker to exit thermal kill
 486  * @dynamic_smps: Is thermal throttling enabled dynamic_smps?
 487  * @tx_backoff: The current thremal throttling tx backoff in uSec.
 488  * @min_backoff: The minimal tx backoff due to power restrictions
 489  * @params: Parameters to configure the thermal throttling algorithm.
 490  * @throttle: Is thermal throttling is active?
 491  */
 492 struct iwl_mvm_tt_mgmt {
 493         struct delayed_work ct_kill_exit;
 494         bool dynamic_smps;
 495         u32 tx_backoff;
 496         u32 min_backoff;
 497         const struct iwl_tt_params *params;
 498         bool throttle;
 499 };
 500
 501 #define IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES 8
 502
 503 struct iwl_mvm_frame_stats {
 504         u32 legacy_frames;
 505         u32 ht_frames;
 506         u32 vht_frames;
 507         u32 bw_20_frames;
 508         u32 bw_40_frames;
 509         u32 bw_80_frames;
 510         u32 bw_160_frames;
 511         u32 sgi_frames;
 512         u32 ngi_frames;
 513         u32 siso_frames;
 514         u32 mimo2_frames;
 515         u32 agg_frames;
 516         u32 ampdu_count;
 517         u32 success_frames;
 518         u32 fail_frames;
 519         u32 last_rates[IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES];
 520         int last_frame_idx;
 521 };
 522
 523 enum {
 524         D0I3_DEFER_WAKEUP,
 525         D0I3_PENDING_WAKEUP,
 526 };
 527
 528 #define IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE 0xff
 529 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MIN -100
 530 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MAX 200
 531
 532 enum iwl_mvm_tdls_cs_state {
 533         IWL_MVM_TDLS_SW_IDLE = 0,
 534         IWL_MVM_TDLS_SW_REQ_SENT,
 535         IWL_MVM_TDLS_SW_REQ_RCVD,
 536         IWL_MVM_TDLS_SW_ACTIVE,
 537 };
 538
 539 struct iwl_mvm_shared_mem_cfg {
 540         u32 shared_mem_addr;
 541         u32 shared_mem_size;
 542         u32 sample_buff_addr;
 543         u32 sample_buff_size;
 544         u32 txfifo_addr;
 545         u32 txfifo_size[TX_FIFO_MAX_NUM];
 546         u32 rxfifo_size[RX_FIFO_MAX_NUM];
 547         u32 page_buff_addr;
 548         u32 page_buff_size;
 549 };
 550
 551 struct iwl_mvm {
 552         /* for logger access */
 553         struct device *dev;
 554
 555         struct iwl_trans *trans;
 556         const struct iwl_fw *fw;
 557         const struct iwl_cfg *cfg;
 558         struct iwl_phy_db *phy_db;
 559         struct ieee80211_hw *hw;
 560
 561         /* for protecting access to iwl_mvm */
 562         struct mutex mutex;
 563         struct list_head async_handlers_list;
 564         spinlock_t async_handlers_lock;
 565         struct work_struct async_handlers_wk;
 566
 567         struct work_struct roc_done_wk;
 568
 569         unsigned long status;
 570
 571         /*
 572          * for beacon filtering -
 573          * currently only one interface can be supported
 574          */
 575         struct iwl_mvm_vif *bf_allowed_vif;
 576
 577         enum iwl_ucode_type cur_ucode;
 578         bool ucode_loaded;
 579         bool init_ucode_complete;
 580         bool calibrating;
 581         u32 error_event_table;
 582         u32 log_event_table;
 583         u32 umac_error_event_table;
 584         bool support_umac_log;
 585         struct iwl_sf_region sf_space;
 586
 587         u32 ampdu_ref;
 588
 589         struct iwl_notif_wait_data notif_wait;
 590
 591         struct mvm_statistics_rx rx_stats;
 592
 593         u8 queue_to_mac80211[IWL_MAX_HW_QUEUES];
 594         atomic_t mac80211_queue_stop_count[IEEE80211_MAX_QUEUES];
 595
 596         const char *nvm_file_name;
 597         struct iwl_nvm_data *nvm_data;
 598         /* NVM sections */
 599         struct iwl_nvm_section nvm_sections[NVM_MAX_NUM_SECTIONS];
 600
 601         /* EEPROM MAC addresses */
 602         struct mac_address addresses[IWL_MVM_MAX_ADDRESSES];
 603
 604         /* data related to data path */
 605         struct iwl_rx_phy_info last_phy_info;
 606         struct ieee80211_sta __rcu *fw_id_to_mac_id[IWL_MVM_STATION_COUNT];
 607         struct work_struct sta_drained_wk;
 608         unsigned long sta_drained[BITS_TO_LONGS(IWL_MVM_STATION_COUNT)];
 609         atomic_t pending_frames[IWL_MVM_STATION_COUNT];
 610         u32 tfd_drained[IWL_MVM_STATION_COUNT];
 611         u8 rx_ba_sessions;
 612
 613         /* configured by mac80211 */
 614         u32 rts_threshold;
 615
 616         /* Scan status, cmd (pre-allocated) and auxiliary station */
 617         enum iwl_scan_status scan_status;
 618         void *scan_cmd;
 619         struct iwl_mcast_filter_cmd *mcast_filter_cmd;
 620
 621         /* UMAC scan tracking */
 622         u32 scan_uid[IWL_MVM_MAX_SIMULTANEOUS_SCANS];
 623         u8 scan_seq_num, sched_scan_seq_num;
 624
 625         /* rx chain antennas set through debugfs for the scan command */
 626         u8 scan_rx_ant;
 627
 628 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
 629         /* broadcast filters to configure for each associated station */
 630         const struct iwl_fw_bcast_filter *bcast_filters;
 631 #ifdef CONFIG_IWLWIFI_DEBUGFS
 632         struct {
 633                 u32 override; /* u32 for debugfs_create_bool */
 634                 struct iwl_bcast_filter_cmd cmd;
 635         } dbgfs_bcast_filtering;
 636 #endif
 637 #endif
 638
 639         /* Internal station */
 640         struct iwl_mvm_int_sta aux_sta;
 641
 642         bool last_ebs_successful;
 643
 644         u8 scan_last_antenna_idx; /* to toggle TX between antennas */
 645         u8 mgmt_last_antenna_idx;
 646
 647         /* last smart fifo state that was successfully sent to firmware */
 648         enum iwl_sf_state sf_state;
 649
 650 #ifdef CONFIG_IWLWIFI_DEBUGFS
 651         struct dentry *debugfs_dir;
 652         u32 dbgfs_sram_offset, dbgfs_sram_len;
 653         u32 dbgfs_prph_reg_addr;
 654         bool disable_power_off;
 655         bool disable_power_off_d3;
 656
 657         bool scan_iter_notif_enabled;
 658
 659         struct debugfs_blob_wrapper nvm_hw_blob;
 660         struct debugfs_blob_wrapper nvm_sw_blob;
 661         struct debugfs_blob_wrapper nvm_calib_blob;
 662         struct debugfs_blob_wrapper nvm_prod_blob;
 663
 664         struct iwl_mvm_frame_stats drv_rx_stats;
 665         spinlock_t drv_stats_lock;
 666 #endif
 667
 668         struct iwl_mvm_phy_ctxt phy_ctxts[NUM_PHY_CTX];
 669
 670         struct list_head time_event_list;
 671         spinlock_t time_event_lock;
 672
 673         /*
 674          * A bitmap indicating the index of the key in use. The firmware
 675          * can hold 16 keys at most. Reflect this fact.
 676          */
 677         unsigned long fw_key_table[BITS_TO_LONGS(STA_KEY_MAX_NUM)];
 678
 679         /* references taken by the driver and spinlock protecting them */
 680         spinlock_t refs_lock;
 681         u8 refs[IWL_MVM_REF_COUNT];
 682
 683         u8 vif_count;
 684
 685         /* -1 for always, 0 for never, >0 for that many times */
 686         s8 restart_fw;
 687         struct work_struct fw_error_dump_wk;
 688         enum iwl_fw_dbg_conf fw_dbg_conf;
 689
 690 #ifdef CONFIG_IWLWIFI_LEDS
 691         struct led_classdev led;
 692 #endif
 693
 694         struct ieee80211_vif *p2p_device_vif;
 695
 696 #ifdef CONFIG_PM_SLEEP
 697         struct wiphy_wowlan_support wowlan;
 698         int gtk_ivlen, gtk_icvlen, ptk_ivlen, ptk_icvlen;
 699
 700         /* sched scan settings for net detect */
 701         struct cfg80211_sched_scan_request *nd_config;
 702         struct ieee80211_scan_ies nd_ies;
 703         struct cfg80211_match_set *nd_match_sets;
 704         int n_nd_match_sets;
 705         struct ieee80211_channel **nd_channels;
 706         int n_nd_channels;
 707         bool net_detect;
 708 #ifdef CONFIG_IWLWIFI_DEBUGFS
 709         u32 d3_wake_sysassert; /* must be u32 for debugfs_create_bool */
 710         bool d3_test_active;
 711         bool store_d3_resume_sram;
 712         void *d3_resume_sram;
 713         u32 d3_test_pme_ptr;
 714         struct ieee80211_vif *keep_vif;
 715 #endif
 716 #endif
 717
 718         /* d0i3 */
 719         u8 d0i3_ap_sta_id;
 720         bool d0i3_offloading;
 721         struct work_struct d0i3_exit_work;
 722         struct sk_buff_head d0i3_tx;
 723         /* protect d0i3_suspend_flags */
 724         struct mutex d0i3_suspend_mutex;
 725         unsigned long d0i3_suspend_flags;
 726         /* sync d0i3_tx queue and IWL_MVM_STATUS_IN_D0I3 status flag */
 727         spinlock_t d0i3_tx_lock;
 728         wait_queue_head_t d0i3_exit_waitq;
 729
 730         /* BT-Coex */
 731         u8 bt_ack_kill_msk[NUM_PHY_CTX];
 732         u8 bt_cts_kill_msk[NUM_PHY_CTX];
 733
 734         struct iwl_bt_coex_profile_notif_old last_bt_notif_old;
 735         struct iwl_bt_coex_ci_cmd_old last_bt_ci_cmd_old;
 736         struct iwl_bt_coex_profile_notif last_bt_notif;
 737         struct iwl_bt_coex_ci_cmd last_bt_ci_cmd;
 738
 739         u32 last_ant_isol;
 740         u8 last_corun_lut;
 741         u8 bt_tx_prio;
 742         enum iwl_bt_force_ant_mode bt_force_ant_mode;
 743
 744         /* Aux ROC */
 745         struct list_head aux_roc_te_list;
 746
 747         /* Thermal Throttling and CTkill */
 748         struct iwl_mvm_tt_mgmt thermal_throttle;
 749         s32 temperature;        /* Celsius */
 750         /*
 751          * Debug option to set the NIC temperature. This option makes the
 752          * driver think this is the actual NIC temperature, and ignore the
 753          * real temperature that is received from the fw
 754          */
 755         bool temperature_test;  /* Debug test temperature is enabled */
 756
 757         struct iwl_time_quota_cmd last_quota_cmd;
 758
 759 #ifdef CONFIG_NL80211_TESTMODE
 760         u32 noa_duration;
 761         struct ieee80211_vif *noa_vif;
 762 #endif
 763
 764         /* Tx queues */
 765         u8 aux_queue;
 766         u8 first_agg_queue;
 767         u8 last_agg_queue;
 768
 769         /* Indicate if device power save is allowed */
 770         u8 ps_disabled; /* u8 instead of bool to ease debugfs_create_* usage */
 771
 772         struct ieee80211_vif __rcu *csa_vif;
 773         struct ieee80211_vif __rcu *csa_tx_blocked_vif;
 774         u8 csa_tx_block_bcn_timeout;
 775
 776         /* system time of last beacon (for AP/GO interface) */
 777         u32 ap_last_beacon_gp2;
 778
 779         u8 low_latency_agg_frame_limit;
 780
 781         /* TDLS channel switch data */
 782         struct {
 783                 struct delayed_work dwork;
 784                 enum iwl_mvm_tdls_cs_state state;
 785
 786                 /*
 787                  * Current cs sta - might be different from periodic cs peer
 788                  * station. Value is meaningless when the cs-state is idle.
 789                  */
 790                 u8 cur_sta_id;
 791
 792                 /* TDLS periodic channel-switch peer */
 793                 struct {
 794                         u8 sta_id;
 795                         u8 op_class;
 796                         bool initiator; /* are we the link initiator */
 797                         struct cfg80211_chan_def chandef;
 798                         struct sk_buff *skb; /* ch sw template */
 799                         u32 ch_sw_tm_ie;
 800                 } peer;
 801         } tdls_cs;
 802
 803         struct iwl_mvm_shared_mem_cfg shared_mem_cfg;
 804 };
 805
 806 /* Extract MVM priv from op_mode and _hw */
 807 #define IWL_OP_MODE_GET_MVM(_iwl_op_mode)               \
 808         ((struct iwl_mvm *)(_iwl_op_mode)->op_mode_specific)
 809
 810 #define IWL_MAC80211_GET_MVM(_hw)                       \
 811         IWL_OP_MODE_GET_MVM((struct iwl_op_mode *)((_hw)->priv))
 812
 813 enum iwl_mvm_status {
 814         IWL_MVM_STATUS_HW_RFKILL,
 815         IWL_MVM_STATUS_HW_CTKILL,
 816         IWL_MVM_STATUS_ROC_RUNNING,
 817         IWL_MVM_STATUS_IN_HW_RESTART,
 818         IWL_MVM_STATUS_IN_D0I3,
 819         IWL_MVM_STATUS_ROC_AUX_RUNNING,
 820         IWL_MVM_STATUS_D3_RECONFIG,
 821 };
 822
 823 static inline bool iwl_mvm_is_radio_killed(struct iwl_mvm *mvm)
 824 {
 825         return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status) ||
 826                test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
 827 }
 828
 829 /* Must be called with rcu_read_lock() held and it can only be
 830  * released when mvmsta is not needed anymore.
 831  */
 832 static inline struct iwl_mvm_sta *
 833 iwl_mvm_sta_from_staid_rcu(struct iwl_mvm *mvm, u8 sta_id)
 834 {
 835         struct ieee80211_sta *sta;
 836
 837         if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
 838                 return NULL;
 839
 840         sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
 841
 842         /* This can happen if the station has been removed right now */
 843         if (IS_ERR_OR_NULL(sta))
 844                 return NULL;
 845
 846         return iwl_mvm_sta_from_mac80211(sta);
 847 }
 848
 849 static inline struct iwl_mvm_sta *
 850 iwl_mvm_sta_from_staid_protected(struct iwl_mvm *mvm, u8 sta_id)
 851 {
 852         struct ieee80211_sta *sta;
 853
 854         if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
 855                 return NULL;
 856
 857         sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id],
 858                                         lockdep_is_held(&mvm->mutex));
 859
 860         /* This can happen if the station has been removed right now */
 861         if (IS_ERR_OR_NULL(sta))
 862                 return NULL;
 863
 864         return iwl_mvm_sta_from_mac80211(sta);
 865 }
 866
 867 static inline bool iwl_mvm_is_d0i3_supported(struct iwl_mvm *mvm)
 868 {
 869         return mvm->trans->cfg->d0i3 &&
 870                mvm->trans->d0i3_mode != IWL_D0I3_MODE_OFF &&
 871                !iwlwifi_mod_params.d0i3_disable &&
 872                (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_D0I3_SUPPORT);
 873 }
 874
 875 static inline bool iwl_mvm_is_scd_cfg_supported(struct iwl_mvm *mvm)
 876 {
 877         return mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_API_SCD_CFG;
 878 }
 879
 880 extern const u8 iwl_mvm_ac_to_tx_fifo[];
 881
 882 struct iwl_rate_info {
 883         u8 plcp;        /* uCode API:  IWL_RATE_6M_PLCP, etc. */
 884         u8 plcp_siso;   /* uCode API:  IWL_RATE_SISO_6M_PLCP, etc. */
 885         u8 plcp_mimo2;  /* uCode API:  IWL_RATE_MIMO2_6M_PLCP, etc. */
 886         u8 plcp_mimo3;  /* uCode API:  IWL_RATE_MIMO3_6M_PLCP, etc. */
 887         u8 ieee;        /* MAC header:  IWL_RATE_6M_IEEE, etc. */
 888 };
 889
 890 void __iwl_mvm_mac_stop(struct iwl_mvm *mvm);
 891 int __iwl_mvm_mac_start(struct iwl_mvm *mvm);
 892
 893 /******************
 894  * MVM Methods
 895  ******************/
 896 /* uCode */
 897 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm);
 898
 899 /* Utils */
 900 int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags,
 901                                         enum ieee80211_band band);
 902 void iwl_mvm_hwrate_to_tx_rate(u32 rate_n_flags,
 903                                enum ieee80211_band band,
 904                                struct ieee80211_tx_rate *r);
 905 u8 iwl_mvm_mac80211_idx_to_hwrate(int rate_idx);
 906 void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm);
 907 u8 first_antenna(u8 mask);
 908 u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx);
 909
 910 /* Tx / Host Commands */
 911 int __must_check iwl_mvm_send_cmd(struct iwl_mvm *mvm,
 912                                   struct iwl_host_cmd *cmd);
 913 int __must_check iwl_mvm_send_cmd_pdu(struct iwl_mvm *mvm, u8 id,
 914                                       u32 flags, u16 len, const void *data);
 915 int __must_check iwl_mvm_send_cmd_status(struct iwl_mvm *mvm,
 916                                          struct iwl_host_cmd *cmd,
 917                                          u32 *status);
 918 int __must_check iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u8 id,
 919                                              u16 len, const void *data,
 920                                              u32 *status);
 921 int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb,
 922                    struct ieee80211_sta *sta);
 923 int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb);
 924 void iwl_mvm_set_tx_cmd(struct iwl_mvm *mvm, struct sk_buff *skb,
 925                         struct iwl_tx_cmd *tx_cmd,
 926                         struct ieee80211_tx_info *info, u8 sta_id);
 927 void iwl_mvm_set_tx_cmd_crypto(struct iwl_mvm *mvm,
 928                                struct ieee80211_tx_info *info,
 929                                struct iwl_tx_cmd *tx_cmd,
 930                                struct sk_buff *skb_frag);
 931 void iwl_mvm_set_tx_cmd_rate(struct iwl_mvm *mvm, struct iwl_tx_cmd *tx_cmd,
 932                             struct ieee80211_tx_info *info,
 933                             struct ieee80211_sta *sta, __le16 fc);
 934 #ifdef CONFIG_IWLWIFI_DEBUG
 935 const char *iwl_mvm_get_tx_fail_reason(u32 status);
 936 #else
 937 static inline const char *iwl_mvm_get_tx_fail_reason(u32 status) { return ""; }
 938 #endif
 939 int iwl_mvm_flush_tx_path(struct iwl_mvm *mvm, u32 tfd_msk, bool sync);
 940 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm);
 941
 942 static inline void iwl_mvm_wait_for_async_handlers(struct iwl_mvm *mvm)
 943 {
 944         flush_work(&mvm->async_handlers_wk);
 945 }
 946
 947 /* Statistics */
 948 int iwl_mvm_rx_reply_statistics(struct iwl_mvm *mvm,
 949                                 struct iwl_rx_cmd_buffer *rxb,
 950                                 struct iwl_device_cmd *cmd);
 951 int iwl_mvm_rx_statistics(struct iwl_mvm *mvm,
 952                           struct iwl_rx_cmd_buffer *rxb,
 953                           struct iwl_device_cmd *cmd);
 954
 955 /* NVM */
 956 int iwl_nvm_init(struct iwl_mvm *mvm, bool read_nvm_from_nic);
 957 int iwl_mvm_load_nvm_to_nic(struct iwl_mvm *mvm);
 958
 959 static inline u8 iwl_mvm_get_valid_tx_ant(struct iwl_mvm *mvm)
 960 {
 961         return mvm->nvm_data && mvm->nvm_data->valid_tx_ant ?
 962                mvm->fw->valid_tx_ant & mvm->nvm_data->valid_tx_ant :
 963                mvm->fw->valid_tx_ant;
 964 }
 965
 966 static inline u8 iwl_mvm_get_valid_rx_ant(struct iwl_mvm *mvm)
 967 {
 968         return mvm->nvm_data && mvm->nvm_data->valid_rx_ant ?
 969                mvm->fw->valid_rx_ant & mvm->nvm_data->valid_rx_ant :
 970                mvm->fw->valid_rx_ant;
 971 }
 972
 973 static inline u32 iwl_mvm_get_phy_config(struct iwl_mvm *mvm)
 974 {
 975         u32 phy_config = ~(FW_PHY_CFG_TX_CHAIN |
 976                            FW_PHY_CFG_RX_CHAIN);
 977         u32 valid_rx_ant = iwl_mvm_get_valid_rx_ant(mvm);
 978         u32 valid_tx_ant = iwl_mvm_get_valid_tx_ant(mvm);
 979
 980         phy_config |= valid_tx_ant << FW_PHY_CFG_TX_CHAIN_POS |
 981                       valid_rx_ant << FW_PHY_CFG_RX_CHAIN_POS;
 982
 983         return mvm->fw->phy_config & phy_config;
 984 }
 985
 986 int iwl_mvm_up(struct iwl_mvm *mvm);
 987 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm);
 988
 989 int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm);
 990 bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm,
 991                                     struct iwl_bcast_filter_cmd *cmd);
 992
 993 /*
 994  * FW notifications / CMD responses handlers
 995  * Convention: iwl_mvm_rx_<NAME OF THE CMD>
 996  */
 997 int iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 998                           struct iwl_device_cmd *cmd);
 999 int iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1000                        struct iwl_device_cmd *cmd);
1001 int iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1002                       struct iwl_device_cmd *cmd);
1003 int iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1004                         struct iwl_device_cmd *cmd);
1005 int iwl_mvm_rx_radio_ver(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1006                          struct iwl_device_cmd *cmd);
1007 int iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm,
1008                                   struct iwl_rx_cmd_buffer *rxb,
1009                                   struct iwl_device_cmd *cmd);
1010 int iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1011                           struct iwl_device_cmd *cmd);
1012 int iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
1013                                 struct iwl_rx_cmd_buffer *rxb,
1014                                 struct iwl_device_cmd *cmd);
1015 int iwl_mvm_rx_radio_ver(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1016                          struct iwl_device_cmd *cmd);
1017 int iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1018                             struct iwl_device_cmd *cmd);
1019 int iwl_mvm_rx_shared_mem_cfg_notif(struct iwl_mvm *mvm,
1020                                     struct iwl_rx_cmd_buffer *rxb,
1021                                     struct iwl_device_cmd *cmd);
1022
1023 /* MVM PHY */
1024 int iwl_mvm_phy_ctxt_add(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
1025                          struct cfg80211_chan_def *chandef,
1026                          u8 chains_static, u8 chains_dynamic);
1027 int iwl_mvm_phy_ctxt_changed(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
1028                              struct cfg80211_chan_def *chandef,
1029                              u8 chains_static, u8 chains_dynamic);
1030 void iwl_mvm_phy_ctxt_ref(struct iwl_mvm *mvm,
1031                           struct iwl_mvm_phy_ctxt *ctxt);
1032 void iwl_mvm_phy_ctxt_unref(struct iwl_mvm *mvm,
1033                             struct iwl_mvm_phy_ctxt *ctxt);
1034 int iwl_mvm_phy_ctx_count(struct iwl_mvm *mvm);
1035 u8 iwl_mvm_get_channel_width(struct cfg80211_chan_def *chandef);
1036 u8 iwl_mvm_get_ctrl_pos(struct cfg80211_chan_def *chandef);
1037
1038 /* MAC (virtual interface) programming */
1039 int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1040 void iwl_mvm_mac_ctxt_release(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1041 int iwl_mvm_mac_ctxt_add(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1042 int iwl_mvm_mac_ctxt_changed(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1043                              bool force_assoc_off, const u8 *bssid_override);
1044 int iwl_mvm_mac_ctxt_remove(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1045 u32 iwl_mvm_mac_get_queues_mask(struct ieee80211_vif *vif);
1046 int iwl_mvm_mac_ctxt_beacon_changed(struct iwl_mvm *mvm,
1047                                     struct ieee80211_vif *vif);
1048 int iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm,
1049                             struct iwl_rx_cmd_buffer *rxb,
1050                             struct iwl_device_cmd *cmd);
1051 int iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm,
1052                                     struct iwl_rx_cmd_buffer *rxb,
1053                                     struct iwl_device_cmd *cmd);
1054 void iwl_mvm_mac_ctxt_recalc_tsf_id(struct iwl_mvm *mvm,
1055                                     struct ieee80211_vif *vif);
1056 unsigned long iwl_mvm_get_used_hw_queues(struct iwl_mvm *mvm,
1057                                          struct ieee80211_vif *exclude_vif);
1058
1059 /* Bindings */
1060 int iwl_mvm_binding_add_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1061 int iwl_mvm_binding_remove_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1062
1063 /* Quota management */
1064 int iwl_mvm_update_quotas(struct iwl_mvm *mvm,
1065                           struct ieee80211_vif *disabled_vif);
1066
1067 /* Scanning */
1068 int iwl_mvm_scan_size(struct iwl_mvm *mvm);
1069 int iwl_mvm_scan_request(struct iwl_mvm *mvm,
1070                          struct ieee80211_vif *vif,
1071                          struct cfg80211_scan_request *req);
1072 int iwl_mvm_rx_scan_response(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1073                              struct iwl_device_cmd *cmd);
1074 int iwl_mvm_rx_scan_complete(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1075                              struct iwl_device_cmd *cmd);
1076 int iwl_mvm_cancel_scan(struct iwl_mvm *mvm);
1077 int iwl_mvm_max_scan_ie_len(struct iwl_mvm *mvm, bool is_sched_scan);
1078
1079 /* Scheduled scan */
1080 int iwl_mvm_rx_scan_offload_complete_notif(struct iwl_mvm *mvm,
1081                                            struct iwl_rx_cmd_buffer *rxb,
1082                                            struct iwl_device_cmd *cmd);
1083 int iwl_mvm_rx_scan_offload_iter_complete_notif(struct iwl_mvm *mvm,
1084                                                 struct iwl_rx_cmd_buffer *rxb,
1085                                                 struct iwl_device_cmd *cmd);
1086 int iwl_mvm_config_sched_scan(struct iwl_mvm *mvm,
1087                               struct ieee80211_vif *vif,
1088                               struct cfg80211_sched_scan_request *req,
1089                               struct ieee80211_scan_ies *ies);
1090 int iwl_mvm_config_sched_scan_profiles(struct iwl_mvm *mvm,
1091                                        struct cfg80211_sched_scan_request *req);
1092 int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm,
1093                              struct cfg80211_sched_scan_request *req);
1094 int iwl_mvm_scan_offload_start(struct iwl_mvm *mvm,
1095                                struct ieee80211_vif *vif,
1096                                struct cfg80211_sched_scan_request *req,
1097                                struct ieee80211_scan_ies *ies);
1098 int iwl_mvm_scan_offload_stop(struct iwl_mvm *mvm, bool notify);
1099 int iwl_mvm_rx_scan_offload_results(struct iwl_mvm *mvm,
1100                                     struct iwl_rx_cmd_buffer *rxb,
1101                                     struct iwl_device_cmd *cmd);
1102
1103 /* Unified scan */
1104 int iwl_mvm_unified_scan_lmac(struct iwl_mvm *mvm,
1105                               struct ieee80211_vif *vif,
1106                               struct ieee80211_scan_request *req);
1107 int iwl_mvm_unified_sched_scan_lmac(struct iwl_mvm *mvm,
1108                                     struct ieee80211_vif *vif,
1109                                     struct cfg80211_sched_scan_request *req,
1110                                     struct ieee80211_scan_ies *ies);
1111
1112 /* UMAC scan */
1113 int iwl_mvm_config_scan(struct iwl_mvm *mvm);
1114 int iwl_mvm_scan_umac(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1115                       struct ieee80211_scan_request *req);
1116 int iwl_mvm_sched_scan_umac(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1117                             struct cfg80211_sched_scan_request *req,
1118                             struct ieee80211_scan_ies *ies);
1119 int iwl_mvm_rx_umac_scan_complete_notif(struct iwl_mvm *mvm,
1120                                         struct iwl_rx_cmd_buffer *rxb,
1121                                         struct iwl_device_cmd *cmd);
1122
1123 /* MVM debugfs */
1124 #ifdef CONFIG_IWLWIFI_DEBUGFS
1125 int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir);
1126 void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1127 void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1128 #else
1129 static inline int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm,
1130                                          struct dentry *dbgfs_dir)
1131 {
1132         return 0;
1133 }
1134 static inline void
1135 iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1136 {
1137 }
1138 static inline void
1139 iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1140 {
1141 }
1142 #endif /* CONFIG_IWLWIFI_DEBUGFS */
1143
1144 /* rate scaling */
1145 int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool init);
1146 void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm, u32 rate, bool agg);
1147 int rs_pretty_print_rate(char *buf, const u32 rate);
1148 void rs_update_last_rssi(struct iwl_mvm *mvm,
1149                          struct iwl_lq_sta *lq_sta,
1150                          struct ieee80211_rx_status *rx_status);
1151
1152 /* power management */
1153 int iwl_mvm_power_update_device(struct iwl_mvm *mvm);
1154 int iwl_mvm_power_update_mac(struct iwl_mvm *mvm);
1155 int iwl_mvm_power_update_ps(struct iwl_mvm *mvm);
1156 int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1157                                  char *buf, int bufsz);
1158
1159 void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1160 int iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm,
1161                                              struct iwl_rx_cmd_buffer *rxb,
1162                                              struct iwl_device_cmd *cmd);
1163
1164 #ifdef CONFIG_IWLWIFI_LEDS
1165 int iwl_mvm_leds_init(struct iwl_mvm *mvm);
1166 void iwl_mvm_leds_exit(struct iwl_mvm *mvm);
1167 #else
1168 static inline int iwl_mvm_leds_init(struct iwl_mvm *mvm)
1169 {
1170         return 0;
1171 }
1172 static inline void iwl_mvm_leds_exit(struct iwl_mvm *mvm)
1173 {
1174 }
1175 #endif
1176
1177 /* D3 (WoWLAN, NetDetect) */
1178 int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan);
1179 int iwl_mvm_resume(struct ieee80211_hw *hw);
1180 void iwl_mvm_set_wakeup(struct ieee80211_hw *hw, bool enabled);
1181 void iwl_mvm_set_rekey_data(struct ieee80211_hw *hw,
1182                             struct ieee80211_vif *vif,
1183                             struct cfg80211_gtk_rekey_data *data);
1184 void iwl_mvm_ipv6_addr_change(struct ieee80211_hw *hw,
1185                               struct ieee80211_vif *vif,
1186                               struct inet6_dev *idev);
1187 void iwl_mvm_set_default_unicast_key(struct ieee80211_hw *hw,
1188                                      struct ieee80211_vif *vif, int idx);
1189 extern const struct file_operations iwl_dbgfs_d3_test_ops;
1190 #ifdef CONFIG_PM_SLEEP
1191 void iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm,
1192                                  struct ieee80211_vif *vif);
1193 #else
1194 static inline void
1195 iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1196 {
1197 }
1198 #endif
1199 void iwl_mvm_set_wowlan_qos_seq(struct iwl_mvm_sta *mvm_ap_sta,
1200                                 struct iwl_wowlan_config_cmd *cmd);
1201 int iwl_mvm_send_proto_offload(struct iwl_mvm *mvm,
1202                                struct ieee80211_vif *vif,
1203                                bool disable_offloading,
1204                                u32 cmd_flags);
1205
1206 /* D0i3 */
1207 void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1208 void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1209 int iwl_mvm_ref_sync(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1210 bool iwl_mvm_ref_taken(struct iwl_mvm *mvm);
1211 void iwl_mvm_d0i3_enable_tx(struct iwl_mvm *mvm, __le16 *qos_seq);
1212 int iwl_mvm_enter_d0i3(struct iwl_op_mode *op_mode);
1213 int iwl_mvm_exit_d0i3(struct iwl_op_mode *op_mode);
1214 int _iwl_mvm_exit_d0i3(struct iwl_mvm *mvm);
1215
1216 /* BT Coex */
1217 int iwl_send_bt_init_conf(struct iwl_mvm *mvm);
1218 int iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm,
1219                              struct iwl_rx_cmd_buffer *rxb,
1220                              struct iwl_device_cmd *cmd);
1221 void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1222                            enum ieee80211_rssi_event rssi_event);
1223 void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm);
1224 u16 iwl_mvm_coex_agg_time_limit(struct iwl_mvm *mvm,
1225                                 struct ieee80211_sta *sta);
1226 bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm,
1227                                      struct ieee80211_sta *sta);
1228 bool iwl_mvm_bt_coex_is_ant_avail(struct iwl_mvm *mvm, u8 ant);
1229 bool iwl_mvm_bt_coex_is_shared_ant_avail(struct iwl_mvm *mvm);
1230 bool iwl_mvm_bt_coex_is_tpc_allowed(struct iwl_mvm *mvm,
1231                                     enum ieee80211_band band);
1232 u8 iwl_mvm_bt_coex_tx_prio(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr,
1233                            struct ieee80211_tx_info *info, u8 ac);
1234
1235 bool iwl_mvm_bt_coex_is_ant_avail_old(struct iwl_mvm *mvm, u8 ant);
1236 bool iwl_mvm_bt_coex_is_shared_ant_avail_old(struct iwl_mvm *mvm);
1237 void iwl_mvm_bt_coex_vif_change_old(struct iwl_mvm *mvm);
1238 int iwl_send_bt_init_conf_old(struct iwl_mvm *mvm);
1239 int iwl_mvm_rx_bt_coex_notif_old(struct iwl_mvm *mvm,
1240                                  struct iwl_rx_cmd_buffer *rxb,
1241                                  struct iwl_device_cmd *cmd);
1242 void iwl_mvm_bt_rssi_event_old(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1243                                enum ieee80211_rssi_event rssi_event);
1244 u16 iwl_mvm_coex_agg_time_limit_old(struct iwl_mvm *mvm,
1245                                     struct ieee80211_sta *sta);
1246 bool iwl_mvm_bt_coex_is_mimo_allowed_old(struct iwl_mvm *mvm,
1247                                          struct ieee80211_sta *sta);
1248 bool iwl_mvm_bt_coex_is_tpc_allowed_old(struct iwl_mvm *mvm,
1249                                         enum ieee80211_band band);
1250 int iwl_mvm_rx_ant_coupling_notif_old(struct iwl_mvm *mvm,
1251                                       struct iwl_rx_cmd_buffer *rxb,
1252                                       struct iwl_device_cmd *cmd);
1253
1254 enum iwl_bt_kill_msk {
1255         BT_KILL_MSK_DEFAULT,
1256         BT_KILL_MSK_NEVER,
1257         BT_KILL_MSK_ALWAYS,
1258         BT_KILL_MSK_MAX,
1259 };
1260
1261 extern const u8 iwl_bt_ack_kill_msk[BT_MAX_AG][BT_COEX_MAX_LUT];
1262 extern const u8 iwl_bt_cts_kill_msk[BT_MAX_AG][BT_COEX_MAX_LUT];
1263 extern const u32 iwl_bt_ctl_kill_msk[BT_KILL_MSK_MAX];
1264
1265 /* beacon filtering */
1266 #ifdef CONFIG_IWLWIFI_DEBUGFS
1267 void
1268 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1269                                          struct iwl_beacon_filter_cmd *cmd);
1270 #else
1271 static inline void
1272 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1273                                          struct iwl_beacon_filter_cmd *cmd)
1274 {}
1275 #endif
1276 int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm,
1277                                    struct ieee80211_vif *vif,
1278                                    bool enable, u32 flags);
1279 int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
1280                                  struct ieee80211_vif *vif,
1281                                  u32 flags);
1282 int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
1283                                   struct ieee80211_vif *vif,
1284                                   u32 flags);
1285 /* SMPS */
1286 void iwl_mvm_update_smps(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1287                                 enum iwl_mvm_smps_type_request req_type,
1288                                 enum ieee80211_smps_mode smps_request);
1289 bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm *mvm);
1290
1291 /* Low latency */
1292 int iwl_mvm_update_low_latency(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1293                                bool value);
1294 /* get SystemLowLatencyMode - only needed for beacon threshold? */
1295 bool iwl_mvm_low_latency(struct iwl_mvm *mvm);
1296 /* get VMACLowLatencyMode */
1297 static inline bool iwl_mvm_vif_low_latency(struct iwl_mvm_vif *mvmvif)
1298 {
1299         /*
1300          * should this consider associated/active/... state?
1301          *
1302          * Normally low-latency should only be active on interfaces
1303          * that are active, but at least with debugfs it can also be
1304          * enabled on interfaces that aren't active. However, when
1305          * interface aren't active then they aren't added into the
1306          * binding, so this has no real impact. For now, just return
1307          * the current desired low-latency state.
1308          */
1309
1310         return mvmvif->low_latency;
1311 }
1312
1313 /* hw scheduler queue config */
1314 void iwl_mvm_enable_txq(struct iwl_mvm *mvm, int queue, u16 ssn,
1315                         const struct iwl_trans_txq_scd_cfg *cfg);
1316 void iwl_mvm_disable_txq(struct iwl_mvm *mvm, int queue, u8 flags);
1317
1318 static inline void iwl_mvm_enable_ac_txq(struct iwl_mvm *mvm, int queue,
1319                                          u8 fifo)
1320 {
1321         struct iwl_trans_txq_scd_cfg cfg = {
1322                 .fifo = fifo,
1323                 .tid = IWL_MAX_TID_COUNT,
1324                 .aggregate = false,
1325                 .frame_limit = IWL_FRAME_LIMIT,
1326         };
1327
1328         iwl_mvm_enable_txq(mvm, queue, 0, &cfg);
1329 }
1330
1331 static inline void iwl_mvm_enable_agg_txq(struct iwl_mvm *mvm, int queue,
1332                                           int fifo, int sta_id, int tid,
1333                                           int frame_limit, u16 ssn)
1334 {
1335         struct iwl_trans_txq_scd_cfg cfg = {
1336                 .fifo = fifo,
1337                 .sta_id = sta_id,
1338                 .tid = tid,
1339                 .frame_limit = frame_limit,
1340                 .aggregate = true,
1341         };
1342
1343         iwl_mvm_enable_txq(mvm, queue, ssn, &cfg);
1344 }
1345
1346 /* Assoc status */
1347 bool iwl_mvm_is_idle(struct iwl_mvm *mvm);
1348
1349 /* Thermal management and CT-kill */
1350 void iwl_mvm_tt_tx_backoff(struct iwl_mvm *mvm, u32 backoff);
1351 void iwl_mvm_tt_temp_changed(struct iwl_mvm *mvm, u32 temp);
1352 int iwl_mvm_temp_notif(struct iwl_mvm *mvm,
1353                        struct iwl_rx_cmd_buffer *rxb,
1354                        struct iwl_device_cmd *cmd);
1355 void iwl_mvm_tt_handler(struct iwl_mvm *mvm);
1356 void iwl_mvm_tt_initialize(struct iwl_mvm *mvm, u32 min_backoff);
1357 void iwl_mvm_tt_exit(struct iwl_mvm *mvm);
1358 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state);
1359 int iwl_mvm_get_temp(struct iwl_mvm *mvm);
1360
1361 /* smart fifo */
1362 int iwl_mvm_sf_update(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1363                       bool added_vif);
1364
1365 /* TDLS */
1366
1367 /*
1368  * We use TID 4 (VI) as a FW-used-only TID when TDLS connections are present.
1369  * This TID is marked as used vs the AP and all connected TDLS peers.
1370  */
1371 #define IWL_MVM_TDLS_FW_TID 4
1372
1373 int iwl_mvm_tdls_sta_count(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1374 void iwl_mvm_teardown_tdls_peers(struct iwl_mvm *mvm);
1375 void iwl_mvm_recalc_tdls_state(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1376                                bool sta_added);
1377 void iwl_mvm_mac_mgd_protect_tdls_discover(struct ieee80211_hw *hw,
1378                                            struct ieee80211_vif *vif);
1379 int iwl_mvm_tdls_channel_switch(struct ieee80211_hw *hw,
1380                                 struct ieee80211_vif *vif,
1381                                 struct ieee80211_sta *sta, u8 oper_class,
1382                                 struct cfg80211_chan_def *chandef,
1383                                 struct sk_buff *tmpl_skb, u32 ch_sw_tm_ie);
1384 void iwl_mvm_tdls_recv_channel_switch(struct ieee80211_hw *hw,
1385                                       struct ieee80211_vif *vif,
1386                                       struct ieee80211_tdls_ch_sw_params *params);
1387 void iwl_mvm_tdls_cancel_channel_switch(struct ieee80211_hw *hw,
1388                                         struct ieee80211_vif *vif,
1389                                         struct ieee80211_sta *sta);
1390 int iwl_mvm_rx_tdls_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1391                           struct iwl_device_cmd *cmd);
1392 void iwl_mvm_tdls_ch_switch_work(struct work_struct *work);
1393
1394 struct ieee80211_vif *iwl_mvm_get_bss_vif(struct iwl_mvm *mvm);
1395
1396 void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error);
1397 void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm);
1398
1399 int iwl_mvm_start_fw_dbg_conf(struct iwl_mvm *mvm, enum iwl_fw_dbg_conf id);
1400 void iwl_mvm_fw_dbg_collect(struct iwl_mvm *mvm);
1401
1402 #endif /* __IWL_MVM_H__ */