drivers/net/wireless/intel/iwlwifi/mvm/mvm.h

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  10  * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
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  37  * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
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  66  *****************************************************************************/
  67
  68 #ifndef __IWL_MVM_H__
  69 #define __IWL_MVM_H__
  70
  71 #include <linux/list.h>
  72 #include <linux/spinlock.h>
  73 #include <linux/leds.h>
  74 #include <linux/in6.h>
  75
  76 #ifdef CONFIG_THERMAL
  77 #include <linux/thermal.h>
  78 #endif
  79
  80 #include "iwl-op-mode.h"
  81 #include "iwl-trans.h"
  82 #include "fw/notif-wait.h"
  83 #include "iwl-eeprom-parse.h"
  84 #include "fw/file.h"
  85 #include "iwl-config.h"
  86 #include "sta.h"
  87 #include "fw-api.h"
  88 #include "constants.h"
  89 #include "tof.h"
  90
  91 #define IWL_MVM_MAX_ADDRESSES           5
  92 /* RSSI offset for WkP */
  93 #define IWL_RSSI_OFFSET 50
  94 #define IWL_MVM_MISSED_BEACONS_THRESHOLD 8
  95 /* A TimeUnit is 1024 microsecond */
  96 #define MSEC_TO_TU(_msec)       (_msec*1000/1024)
  97
  98 /* For GO, this value represents the number of TUs before CSA "beacon
  99  * 0" TBTT when the CSA time-event needs to be scheduled to start.  It
 100  * must be big enough to ensure that we switch in time.
 101  */
 102 #define IWL_MVM_CHANNEL_SWITCH_TIME_GO          40
 103
 104 /* For client, this value represents the number of TUs before CSA
 105  * "beacon 1" TBTT, instead.  This is because we don't know when the
 106  * GO/AP will be in the new channel, so we switch early enough.
 107  */
 108 #define IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT      10
 109
 110 /*
 111  * This value (in TUs) is used to fine tune the CSA NoA end time which should
 112  * be just before "beacon 0" TBTT.
 113  */
 114 #define IWL_MVM_CHANNEL_SWITCH_MARGIN 4
 115
 116 /*
 117  * Number of beacons to transmit on a new channel until we unblock tx to
 118  * the stations, even if we didn't identify them on a new channel
 119  */
 120 #define IWL_MVM_CS_UNBLOCK_TX_TIMEOUT 3
 121
 122 extern const struct ieee80211_ops iwl_mvm_hw_ops;
 123
 124 /**
 125  * struct iwl_mvm_mod_params - module parameters for iwlmvm
 126  * @init_dbg: if true, then the NIC won't be stopped if the INIT fw asserted.
 127  *      We will register to mac80211 to have testmode working. The NIC must not
 128  *      be up'ed after the INIT fw asserted. This is useful to be able to use
 129  *      proprietary tools over testmode to debug the INIT fw.
 130  * @tfd_q_hang_detect: enabled the detection of hung transmit queues
 131  * @power_scheme: one of enum iwl_power_scheme
 132  */
 133 struct iwl_mvm_mod_params {
 134         bool init_dbg;
 135         bool tfd_q_hang_detect;
 136         int power_scheme;
 137 };
 138 extern struct iwl_mvm_mod_params iwlmvm_mod_params;
 139
 140 /**
 141  * struct iwl_mvm_dump_ptrs - set of pointers needed for the fw-error-dump
 142  *
 143  * @op_mode_ptr: pointer to the buffer coming from the mvm op_mode
 144  * @trans_ptr: pointer to struct %iwl_trans_dump_data which contains the
 145  *      transport's data.
 146  * @trans_len: length of the valid data in trans_ptr
 147  * @op_mode_len: length of the valid data in op_mode_ptr
 148  */
 149 struct iwl_mvm_dump_ptrs {
 150         struct iwl_trans_dump_data *trans_ptr;
 151         void *op_mode_ptr;
 152         u32 op_mode_len;
 153 };
 154
 155 /**
 156  * struct iwl_mvm_dump_desc - describes the dump
 157  * @len: length of trig_desc->data
 158  * @trig_desc: the description of the dump
 159  */
 160 struct iwl_mvm_dump_desc {
 161         size_t len;
 162         /* must be last */
 163         struct iwl_fw_error_dump_trigger_desc trig_desc;
 164 };
 165
 166 extern const struct iwl_mvm_dump_desc iwl_mvm_dump_desc_assert;
 167
 168 struct iwl_mvm_phy_ctxt {
 169         u16 id;
 170         u16 color;
 171         u32 ref;
 172
 173         /*
 174          * TODO: This should probably be removed. Currently here only for rate
 175          * scaling algorithm
 176          */
 177         struct ieee80211_channel *channel;
 178 };
 179
 180 struct iwl_mvm_time_event_data {
 181         struct ieee80211_vif *vif;
 182         struct list_head list;
 183         unsigned long end_jiffies;
 184         u32 duration;
 185         bool running;
 186         u32 uid;
 187
 188         /*
 189          * The access to the 'id' field must be done when the
 190          * mvm->time_event_lock is held, as it value is used to indicate
 191          * if the te is in the time event list or not (when id == TE_MAX)
 192          */
 193         u32 id;
 194 };
 195
 196  /* Power management */
 197
 198 /**
 199  * enum iwl_power_scheme
 200  * @IWL_POWER_LEVEL_CAM - Continuously Active Mode
 201  * @IWL_POWER_LEVEL_BPS - Balanced Power Save (default)
 202  * @IWL_POWER_LEVEL_LP  - Low Power
 203  */
 204 enum iwl_power_scheme {
 205         IWL_POWER_SCHEME_CAM = 1,
 206         IWL_POWER_SCHEME_BPS,
 207         IWL_POWER_SCHEME_LP
 208 };
 209
 210 #define IWL_CONN_MAX_LISTEN_INTERVAL    10
 211 #define IWL_UAPSD_MAX_SP                IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL
 212
 213 #ifdef CONFIG_IWLWIFI_DEBUGFS
 214 enum iwl_dbgfs_pm_mask {
 215         MVM_DEBUGFS_PM_KEEP_ALIVE = BIT(0),
 216         MVM_DEBUGFS_PM_SKIP_OVER_DTIM = BIT(1),
 217         MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS = BIT(2),
 218         MVM_DEBUGFS_PM_RX_DATA_TIMEOUT = BIT(3),
 219         MVM_DEBUGFS_PM_TX_DATA_TIMEOUT = BIT(4),
 220         MVM_DEBUGFS_PM_LPRX_ENA = BIT(6),
 221         MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD = BIT(7),
 222         MVM_DEBUGFS_PM_SNOOZE_ENABLE = BIT(8),
 223         MVM_DEBUGFS_PM_UAPSD_MISBEHAVING = BIT(9),
 224         MVM_DEBUGFS_PM_USE_PS_POLL = BIT(10),
 225 };
 226
 227 struct iwl_dbgfs_pm {
 228         u16 keep_alive_seconds;
 229         u32 rx_data_timeout;
 230         u32 tx_data_timeout;
 231         bool skip_over_dtim;
 232         u8 skip_dtim_periods;
 233         bool lprx_ena;
 234         u32 lprx_rssi_threshold;
 235         bool snooze_ena;
 236         bool uapsd_misbehaving;
 237         bool use_ps_poll;
 238         int mask;
 239 };
 240
 241 /* beacon filtering */
 242
 243 enum iwl_dbgfs_bf_mask {
 244         MVM_DEBUGFS_BF_ENERGY_DELTA = BIT(0),
 245         MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA = BIT(1),
 246         MVM_DEBUGFS_BF_ROAMING_STATE = BIT(2),
 247         MVM_DEBUGFS_BF_TEMP_THRESHOLD = BIT(3),
 248         MVM_DEBUGFS_BF_TEMP_FAST_FILTER = BIT(4),
 249         MVM_DEBUGFS_BF_TEMP_SLOW_FILTER = BIT(5),
 250         MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER = BIT(6),
 251         MVM_DEBUGFS_BF_DEBUG_FLAG = BIT(7),
 252         MVM_DEBUGFS_BF_ESCAPE_TIMER = BIT(8),
 253         MVM_DEBUGFS_BA_ESCAPE_TIMER = BIT(9),
 254         MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT = BIT(10),
 255 };
 256
 257 struct iwl_dbgfs_bf {
 258         u32 bf_energy_delta;
 259         u32 bf_roaming_energy_delta;
 260         u32 bf_roaming_state;
 261         u32 bf_temp_threshold;
 262         u32 bf_temp_fast_filter;
 263         u32 bf_temp_slow_filter;
 264         u32 bf_enable_beacon_filter;
 265         u32 bf_debug_flag;
 266         u32 bf_escape_timer;
 267         u32 ba_escape_timer;
 268         u32 ba_enable_beacon_abort;
 269         int mask;
 270 };
 271 #endif
 272
 273 enum iwl_mvm_smps_type_request {
 274         IWL_MVM_SMPS_REQ_BT_COEX,
 275         IWL_MVM_SMPS_REQ_TT,
 276         IWL_MVM_SMPS_REQ_PROT,
 277         NUM_IWL_MVM_SMPS_REQ,
 278 };
 279
 280 enum iwl_mvm_ref_type {
 281         IWL_MVM_REF_UCODE_DOWN,
 282         IWL_MVM_REF_SCAN,
 283         IWL_MVM_REF_ROC,
 284         IWL_MVM_REF_ROC_AUX,
 285         IWL_MVM_REF_P2P_CLIENT,
 286         IWL_MVM_REF_AP_IBSS,
 287         IWL_MVM_REF_USER,
 288         IWL_MVM_REF_TX,
 289         IWL_MVM_REF_TX_AGG,
 290         IWL_MVM_REF_ADD_IF,
 291         IWL_MVM_REF_START_AP,
 292         IWL_MVM_REF_BSS_CHANGED,
 293         IWL_MVM_REF_PREPARE_TX,
 294         IWL_MVM_REF_PROTECT_TDLS,
 295         IWL_MVM_REF_CHECK_CTKILL,
 296         IWL_MVM_REF_PRPH_READ,
 297         IWL_MVM_REF_PRPH_WRITE,
 298         IWL_MVM_REF_NMI,
 299         IWL_MVM_REF_TM_CMD,
 300         IWL_MVM_REF_EXIT_WORK,
 301         IWL_MVM_REF_PROTECT_CSA,
 302         IWL_MVM_REF_FW_DBG_COLLECT,
 303         IWL_MVM_REF_INIT_UCODE,
 304         IWL_MVM_REF_SENDING_CMD,
 305         IWL_MVM_REF_RX,
 306
 307         /* update debugfs.c when changing this */
 308
 309         IWL_MVM_REF_COUNT,
 310 };
 311
 312 enum iwl_bt_force_ant_mode {
 313         BT_FORCE_ANT_DIS = 0,
 314         BT_FORCE_ANT_AUTO,
 315         BT_FORCE_ANT_BT,
 316         BT_FORCE_ANT_WIFI,
 317
 318         BT_FORCE_ANT_MAX,
 319 };
 320
 321 /**
 322 * struct iwl_mvm_vif_bf_data - beacon filtering related data
 323 * @bf_enabled: indicates if beacon filtering is enabled
 324 * @ba_enabled: indicated if beacon abort is enabled
 325 * @ave_beacon_signal: average beacon signal
 326 * @last_cqm_event: rssi of the last cqm event
 327 * @bt_coex_min_thold: minimum threshold for BT coex
 328 * @bt_coex_max_thold: maximum threshold for BT coex
 329 * @last_bt_coex_event: rssi of the last BT coex event
 330 */
 331 struct iwl_mvm_vif_bf_data {
 332         bool bf_enabled;
 333         bool ba_enabled;
 334         int ave_beacon_signal;
 335         int last_cqm_event;
 336         int bt_coex_min_thold;
 337         int bt_coex_max_thold;
 338         int last_bt_coex_event;
 339 };
 340
 341 /**
 342  * struct iwl_mvm_vif - data per Virtual Interface, it is a MAC context
 343  * @id: between 0 and 3
 344  * @color: to solve races upon MAC addition and removal
 345  * @ap_sta_id: the sta_id of the AP - valid only if VIF type is STA
 346  * @bssid: BSSID for this (client) interface
 347  * @associated: indicates that we're currently associated, used only for
 348  *      managing the firmware state in iwl_mvm_bss_info_changed_station()
 349  * @ap_assoc_sta_count: count of stations associated to us - valid only
 350  *      if VIF type is AP
 351  * @uploaded: indicates the MAC context has been added to the device
 352  * @ap_ibss_active: indicates that AP/IBSS is configured and that the interface
 353  *      should get quota etc.
 354  * @pm_enabled - Indicate if MAC power management is allowed
 355  * @monitor_active: indicates that monitor context is configured, and that the
 356  *      interface should get quota etc.
 357  * @low_latency_traffic: indicates low latency traffic was detected
 358  * @low_latency_dbgfs: low latency mode set from debugfs
 359  * @low_latency_vcmd: low latency mode set from vendor command
 360  * @ps_disabled: indicates that this interface requires PS to be disabled
 361  * @queue_params: QoS params for this MAC
 362  * @bcast_sta: station used for broadcast packets. Used by the following
 363  *  vifs: P2P_DEVICE, GO and AP.
 364  * @beacon_skb: the skb used to hold the AP/GO beacon template
 365  * @smps_requests: the SMPS requests of different parts of the driver,
 366  *      combined on update to yield the overall request to mac80211.
 367  * @beacon_stats: beacon statistics, containing the # of received beacons,
 368  *      # of received beacons accumulated over FW restart, and the current
 369  *      average signal of beacons retrieved from the firmware
 370  * @csa_failed: CSA failed to schedule time event, report an error later
 371  * @features: hw features active for this vif
 372  */
 373 struct iwl_mvm_vif {
 374         struct iwl_mvm *mvm;
 375         u16 id;
 376         u16 color;
 377         u8 ap_sta_id;
 378
 379         u8 bssid[ETH_ALEN];
 380         bool associated;
 381         u8 ap_assoc_sta_count;
 382
 383         u16 cab_queue;
 384
 385         bool uploaded;
 386         bool ap_ibss_active;
 387         bool pm_enabled;
 388         bool monitor_active;
 389         bool low_latency_traffic, low_latency_dbgfs, low_latency_vcmd;
 390         bool ps_disabled;
 391         struct iwl_mvm_vif_bf_data bf_data;
 392
 393         struct {
 394                 u32 num_beacons, accu_num_beacons;
 395                 u8 avg_signal;
 396         } beacon_stats;
 397
 398         u32 ap_beacon_time;
 399
 400         enum iwl_tsf_id tsf_id;
 401
 402         /*
 403          * QoS data from mac80211, need to store this here
 404          * as mac80211 has a separate callback but we need
 405          * to have the data for the MAC context
 406          */
 407         struct ieee80211_tx_queue_params queue_params[IEEE80211_NUM_ACS];
 408         struct iwl_mvm_time_event_data time_event_data;
 409         struct iwl_mvm_time_event_data hs_time_event_data;
 410
 411         struct iwl_mvm_int_sta bcast_sta;
 412         struct iwl_mvm_int_sta mcast_sta;
 413
 414         /*
 415          * Assigned while mac80211 has the interface in a channel context,
 416          * or, for P2P Device, while it exists.
 417          */
 418         struct iwl_mvm_phy_ctxt *phy_ctxt;
 419
 420 #ifdef CONFIG_PM
 421         /* WoWLAN GTK rekey data */
 422         struct {
 423                 u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN];
 424                 __le64 replay_ctr;
 425                 bool valid;
 426         } rekey_data;
 427
 428         int tx_key_idx;
 429
 430         bool seqno_valid;
 431         u16 seqno;
 432 #endif
 433
 434 #if IS_ENABLED(CONFIG_IPV6)
 435         /* IPv6 addresses for WoWLAN */
 436         struct in6_addr target_ipv6_addrs[IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_MAX];
 437         unsigned long tentative_addrs[BITS_TO_LONGS(IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_MAX)];
 438         int num_target_ipv6_addrs;
 439 #endif
 440
 441 #ifdef CONFIG_IWLWIFI_DEBUGFS
 442         struct dentry *dbgfs_dir;
 443         struct dentry *dbgfs_slink;
 444         struct iwl_dbgfs_pm dbgfs_pm;
 445         struct iwl_dbgfs_bf dbgfs_bf;
 446         struct iwl_mac_power_cmd mac_pwr_cmd;
 447         int dbgfs_quota_min;
 448 #endif
 449
 450         enum ieee80211_smps_mode smps_requests[NUM_IWL_MVM_SMPS_REQ];
 451
 452         /* FW identified misbehaving AP */
 453         u8 uapsd_misbehaving_bssid[ETH_ALEN];
 454
 455         /* Indicates that CSA countdown may be started */
 456         bool csa_countdown;
 457         bool csa_failed;
 458         u16 csa_target_freq;
 459
 460         /* TCP Checksum Offload */
 461         netdev_features_t features;
 462
 463         /*
 464          * link quality measurement - used to check whether this interface
 465          * is in the middle of a link quality measurement
 466          */
 467         bool lqm_active;
 468 };
 469
 470 static inline struct iwl_mvm_vif *
 471 iwl_mvm_vif_from_mac80211(struct ieee80211_vif *vif)
 472 {
 473         if (!vif)
 474                 return NULL;
 475         return (void *)vif->drv_priv;
 476 }
 477
 478 extern const u8 tid_to_mac80211_ac[];
 479
 480 #define IWL_MVM_SCAN_STOPPING_SHIFT     8
 481
 482 enum iwl_scan_status {
 483         IWL_MVM_SCAN_REGULAR            = BIT(0),
 484         IWL_MVM_SCAN_SCHED              = BIT(1),
 485         IWL_MVM_SCAN_NETDETECT          = BIT(2),
 486
 487         IWL_MVM_SCAN_STOPPING_REGULAR   = BIT(8),
 488         IWL_MVM_SCAN_STOPPING_SCHED     = BIT(9),
 489         IWL_MVM_SCAN_STOPPING_NETDETECT = BIT(10),
 490
 491         IWL_MVM_SCAN_REGULAR_MASK       = IWL_MVM_SCAN_REGULAR |
 492                                           IWL_MVM_SCAN_STOPPING_REGULAR,
 493         IWL_MVM_SCAN_SCHED_MASK         = IWL_MVM_SCAN_SCHED |
 494                                           IWL_MVM_SCAN_STOPPING_SCHED,
 495         IWL_MVM_SCAN_NETDETECT_MASK     = IWL_MVM_SCAN_NETDETECT |
 496                                           IWL_MVM_SCAN_STOPPING_NETDETECT,
 497
 498         IWL_MVM_SCAN_STOPPING_MASK      = 0xff << IWL_MVM_SCAN_STOPPING_SHIFT,
 499         IWL_MVM_SCAN_MASK               = 0xff,
 500 };
 501
 502 enum iwl_mvm_scan_type {
 503         IWL_SCAN_TYPE_NOT_SET,
 504         IWL_SCAN_TYPE_UNASSOC,
 505         IWL_SCAN_TYPE_WILD,
 506         IWL_SCAN_TYPE_MILD,
 507         IWL_SCAN_TYPE_FRAGMENTED,
 508 };
 509
 510 enum iwl_mvm_sched_scan_pass_all_states {
 511         SCHED_SCAN_PASS_ALL_DISABLED,
 512         SCHED_SCAN_PASS_ALL_ENABLED,
 513         SCHED_SCAN_PASS_ALL_FOUND,
 514 };
 515
 516 /**
 517  * struct iwl_nvm_section - describes an NVM section in memory.
 518  *
 519  * This struct holds an NVM section read from the NIC using NVM_ACCESS_CMD,
 520  * and saved for later use by the driver. Not all NVM sections are saved
 521  * this way, only the needed ones.
 522  */
 523 struct iwl_nvm_section {
 524         u16 length;
 525         const u8 *data;
 526 };
 527
 528 /**
 529  * struct iwl_mvm_tt_mgnt - Thermal Throttling Management structure
 530  * @ct_kill_exit: worker to exit thermal kill
 531  * @dynamic_smps: Is thermal throttling enabled dynamic_smps?
 532  * @tx_backoff: The current thremal throttling tx backoff in uSec.
 533  * @min_backoff: The minimal tx backoff due to power restrictions
 534  * @params: Parameters to configure the thermal throttling algorithm.
 535  * @throttle: Is thermal throttling is active?
 536  */
 537 struct iwl_mvm_tt_mgmt {
 538         struct delayed_work ct_kill_exit;
 539         bool dynamic_smps;
 540         u32 tx_backoff;
 541         u32 min_backoff;
 542         struct iwl_tt_params params;
 543         bool throttle;
 544 };
 545
 546 #ifdef CONFIG_THERMAL
 547 /**
 548  *struct iwl_mvm_thermal_device - thermal zone related data
 549  * @temp_trips: temperature thresholds for report
 550  * @fw_trips_index: keep indexes to original array - temp_trips
 551  * @tzone: thermal zone device data
 552 */
 553 struct iwl_mvm_thermal_device {
 554         s16 temp_trips[IWL_MAX_DTS_TRIPS];
 555         u8 fw_trips_index[IWL_MAX_DTS_TRIPS];
 556         struct thermal_zone_device *tzone;
 557 };
 558
 559 /*
 560  * struct iwl_mvm_cooling_device
 561  * @cur_state: current state
 562  * @cdev: struct thermal cooling device
 563  */
 564 struct iwl_mvm_cooling_device {
 565         u32 cur_state;
 566         struct thermal_cooling_device *cdev;
 567 };
 568 #endif
 569
 570 #define IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES 8
 571
 572 struct iwl_mvm_frame_stats {
 573         u32 legacy_frames;
 574         u32 ht_frames;
 575         u32 vht_frames;
 576         u32 bw_20_frames;
 577         u32 bw_40_frames;
 578         u32 bw_80_frames;
 579         u32 bw_160_frames;
 580         u32 sgi_frames;
 581         u32 ngi_frames;
 582         u32 siso_frames;
 583         u32 mimo2_frames;
 584         u32 agg_frames;
 585         u32 ampdu_count;
 586         u32 success_frames;
 587         u32 fail_frames;
 588         u32 last_rates[IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES];
 589         int last_frame_idx;
 590 };
 591
 592 enum {
 593         D0I3_DEFER_WAKEUP,
 594         D0I3_PENDING_WAKEUP,
 595 };
 596
 597 #define IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE 0xff
 598 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MIN -100
 599 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MAX 200
 600
 601 enum iwl_mvm_tdls_cs_state {
 602         IWL_MVM_TDLS_SW_IDLE = 0,
 603         IWL_MVM_TDLS_SW_REQ_SENT,
 604         IWL_MVM_TDLS_SW_RESP_RCVD,
 605         IWL_MVM_TDLS_SW_REQ_RCVD,
 606         IWL_MVM_TDLS_SW_ACTIVE,
 607 };
 608
 609 #define MAX_NUM_LMAC 2
 610 struct iwl_mvm_shared_mem_cfg {
 611         int num_lmacs;
 612         int num_txfifo_entries;
 613         struct {
 614                 u32 txfifo_size[TX_FIFO_MAX_NUM];
 615                 u32 rxfifo1_size;
 616         } lmac[MAX_NUM_LMAC];
 617         u32 rxfifo2_size;
 618         u32 internal_txfifo_addr;
 619         u32 internal_txfifo_size[TX_FIFO_INTERNAL_MAX_NUM];
 620 };
 621
 622 /**
 623  * struct iwl_mvm_reorder_buffer - per ra/tid/queue reorder buffer
 624  * @head_sn: reorder window head sn
 625  * @num_stored: number of mpdus stored in the buffer
 626  * @buf_size: the reorder buffer size as set by the last addba request
 627  * @sta_id: sta id of this reorder buffer
 628  * @queue: queue of this reorder buffer
 629  * @last_amsdu: track last ASMDU SN for duplication detection
 630  * @last_sub_index: track ASMDU sub frame index for duplication detection
 631  * @entries: list of skbs stored
 632  * @reorder_time: time the packet was stored in the reorder buffer
 633  * @reorder_timer: timer for frames are in the reorder buffer. For AMSDU
 634  *      it is the time of last received sub-frame
 635  * @removed: prevent timer re-arming
 636  * @valid: reordering is valid for this queue
 637  * @lock: protect reorder buffer internal state
 638  * @mvm: mvm pointer, needed for frame timer context
 639  */
 640 struct iwl_mvm_reorder_buffer {
 641         u16 head_sn;
 642         u16 num_stored;
 643         u8 buf_size;
 644         u8 sta_id;
 645         int queue;
 646         u16 last_amsdu;
 647         u8 last_sub_index;
 648         struct sk_buff_head entries[IEEE80211_MAX_AMPDU_BUF];
 649         unsigned long reorder_time[IEEE80211_MAX_AMPDU_BUF];
 650         struct timer_list reorder_timer;
 651         bool removed;
 652         bool valid;
 653         spinlock_t lock;
 654         struct iwl_mvm *mvm;
 655 } ____cacheline_aligned_in_smp;
 656
 657 /**
 658  * struct iwl_mvm_baid_data - BA session data
 659  * @sta_id: station id
 660  * @tid: tid of the session
 661  * @baid baid of the session
 662  * @timeout: the timeout set in the addba request
 663  * @last_rx: last rx jiffies, updated only if timeout passed from last update
 664  * @session_timer: timer to check if BA session expired, runs at 2 * timeout
 665  * @mvm: mvm pointer, needed for timer context
 666  * @reorder_buf: reorder buffer, allocated per queue
 667  */
 668 struct iwl_mvm_baid_data {
 669         struct rcu_head rcu_head;
 670         u8 sta_id;
 671         u8 tid;
 672         u8 baid;
 673         u16 timeout;
 674         unsigned long last_rx;
 675         struct timer_list session_timer;
 676         struct iwl_mvm *mvm;
 677         struct iwl_mvm_reorder_buffer reorder_buf[];
 678 };
 679
 680 /*
 681  * enum iwl_mvm_queue_status - queue status
 682  * @IWL_MVM_QUEUE_FREE: the queue is not allocated nor reserved
 683  *      Basically, this means that this queue can be used for any purpose
 684  * @IWL_MVM_QUEUE_RESERVED: queue is reserved but not yet in use
 685  *      This is the state of a queue that has been dedicated for some RATID
 686  *      (agg'd or not), but that hasn't yet gone through the actual enablement
 687  *      of iwl_mvm_enable_txq(), and therefore no traffic can go through it yet.
 688  *      Note that in this state there is no requirement to already know what TID
 689  *      should be used with this queue, it is just marked as a queue that will
 690  *      be used, and shouldn't be allocated to anyone else.
 691  * @IWL_MVM_QUEUE_READY: queue is ready to be used
 692  *      This is the state of a queue that has been fully configured (including
 693  *      SCD pointers, etc), has a specific RA/TID assigned to it, and can be
 694  *      used to send traffic.
 695  * @IWL_MVM_QUEUE_SHARED: queue is shared, or in a process of becoming shared
 696  *      This is a state in which a single queue serves more than one TID, all of
 697  *      which are not aggregated. Note that the queue is only associated to one
 698  *      RA.
 699  * @IWL_MVM_QUEUE_INACTIVE: queue is allocated but no traffic on it
 700  *      This is a state of a queue that has had traffic on it, but during the
 701  *      last %IWL_MVM_DQA_QUEUE_TIMEOUT time period there has been no traffic on
 702  *      it. In this state, when a new queue is needed to be allocated but no
 703  *      such free queue exists, an inactive queue might be freed and given to
 704  *      the new RA/TID.
 705  * @IWL_MVM_QUEUE_RECONFIGURING: queue is being reconfigured
 706  *      This is the state of a queue that has had traffic pass through it, but
 707  *      needs to be reconfigured for some reason, e.g. the queue needs to
 708  *      become unshared and aggregations re-enabled on.
 709  */
 710 enum iwl_mvm_queue_status {
 711         IWL_MVM_QUEUE_FREE,
 712         IWL_MVM_QUEUE_RESERVED,
 713         IWL_MVM_QUEUE_READY,
 714         IWL_MVM_QUEUE_SHARED,
 715         IWL_MVM_QUEUE_INACTIVE,
 716         IWL_MVM_QUEUE_RECONFIGURING,
 717 };
 718
 719 #define IWL_MVM_DQA_QUEUE_TIMEOUT       (5 * HZ)
 720 #define IWL_MVM_INVALID_QUEUE           0xFFFF
 721
 722 #define IWL_MVM_NUM_CIPHERS             10
 723
 724 #ifdef CONFIG_ACPI
 725 #define IWL_MVM_SAR_TABLE_SIZE          10
 726 #define IWL_MVM_SAR_PROFILE_NUM         4
 727 #define IWL_MVM_GEO_TABLE_SIZE          6
 728
 729 struct iwl_mvm_sar_profile {
 730         bool enabled;
 731         u8 table[IWL_MVM_SAR_TABLE_SIZE];
 732 };
 733
 734 struct iwl_mvm_geo_profile {
 735         u8 values[IWL_MVM_GEO_TABLE_SIZE];
 736 };
 737 #endif
 738
 739 struct iwl_mvm {
 740         /* for logger access */
 741         struct device *dev;
 742
 743         struct iwl_trans *trans;
 744         const struct iwl_fw *fw;
 745         const struct iwl_cfg *cfg;
 746         struct iwl_phy_db *phy_db;
 747         struct ieee80211_hw *hw;
 748
 749         /* for protecting access to iwl_mvm */
 750         struct mutex mutex;
 751         struct list_head async_handlers_list;
 752         spinlock_t async_handlers_lock;
 753         struct work_struct async_handlers_wk;
 754
 755         struct work_struct roc_done_wk;
 756
 757         unsigned long init_status;
 758
 759         unsigned long status;
 760
 761         u32 queue_sync_cookie;
 762         atomic_t queue_sync_counter;
 763         /*
 764          * for beacon filtering -
 765          * currently only one interface can be supported
 766          */
 767         struct iwl_mvm_vif *bf_allowed_vif;
 768
 769         enum iwl_ucode_type cur_ucode;
 770         bool hw_registered;
 771         bool calibrating;
 772         u32 error_event_table[2];
 773         u32 log_event_table;
 774         u32 umac_error_event_table;
 775         bool support_umac_log;
 776         struct iwl_sf_region sf_space;
 777
 778         u32 ampdu_ref;
 779         bool ampdu_toggle;
 780
 781         struct iwl_notif_wait_data notif_wait;
 782
 783         union {
 784                 struct mvm_statistics_rx_v3 rx_stats_v3;
 785                 struct mvm_statistics_rx rx_stats;
 786         };
 787
 788         struct {
 789                 u64 rx_time;
 790                 u64 tx_time;
 791                 u64 on_time_rf;
 792                 u64 on_time_scan;
 793         } radio_stats, accu_radio_stats;
 794
 795         u16 hw_queue_to_mac80211[IWL_MAX_TVQM_QUEUES];
 796
 797         struct {
 798                 u8 hw_queue_refcount;
 799                 u8 ra_sta_id; /* The RA this queue is mapped to, if exists */
 800                 bool reserved; /* Is this the TXQ reserved for a STA */
 801                 u8 mac80211_ac; /* The mac80211 AC this queue is mapped to */
 802                 u8 txq_tid; /* The TID "owner" of this queue*/
 803                 u16 tid_bitmap; /* Bitmap of the TIDs mapped to this queue */
 804                 /* Timestamp for inactivation per TID of this queue */
 805                 unsigned long last_frame_time[IWL_MAX_TID_COUNT + 1];
 806                 enum iwl_mvm_queue_status status;
 807         } queue_info[IWL_MAX_HW_QUEUES];
 808         spinlock_t queue_info_lock; /* For syncing queue mgmt operations */
 809         struct work_struct add_stream_wk; /* To add streams to queues */
 810
 811         atomic_t mac80211_queue_stop_count[IEEE80211_MAX_QUEUES];
 812
 813         const char *nvm_file_name;
 814         struct iwl_nvm_data *nvm_data;
 815         /* NVM sections */
 816         struct iwl_nvm_section nvm_sections[NVM_MAX_NUM_SECTIONS];
 817
 818         /* Paging section */
 819         struct iwl_fw_paging fw_paging_db[NUM_OF_FW_PAGING_BLOCKS];
 820         u16 num_of_paging_blk;
 821         u16 num_of_pages_in_last_blk;
 822
 823         /* EEPROM MAC addresses */
 824         struct mac_address addresses[IWL_MVM_MAX_ADDRESSES];
 825
 826         /* data related to data path */
 827         struct iwl_rx_phy_info last_phy_info;
 828         struct ieee80211_sta __rcu *fw_id_to_mac_id[IWL_MVM_STATION_COUNT];
 829         struct work_struct sta_drained_wk;
 830         unsigned long sta_deferred_frames[BITS_TO_LONGS(IWL_MVM_STATION_COUNT)];
 831         unsigned long sta_drained[BITS_TO_LONGS(IWL_MVM_STATION_COUNT)];
 832         atomic_t pending_frames[IWL_MVM_STATION_COUNT];
 833         u32 tfd_drained[IWL_MVM_STATION_COUNT];
 834         u8 rx_ba_sessions;
 835
 836         /* configured by mac80211 */
 837         u32 rts_threshold;
 838
 839         /* Scan status, cmd (pre-allocated) and auxiliary station */
 840         unsigned int scan_status;
 841         void *scan_cmd;
 842         struct iwl_mcast_filter_cmd *mcast_filter_cmd;
 843         enum iwl_mvm_scan_type scan_type;
 844         enum iwl_mvm_sched_scan_pass_all_states sched_scan_pass_all;
 845         struct delayed_work scan_timeout_dwork;
 846
 847         /* max number of simultaneous scans the FW supports */
 848         unsigned int max_scans;
 849
 850         /* ts of the beginning of a non-collect fw dbg data period */
 851         unsigned long fw_dbg_non_collect_ts_start[FW_DBG_TRIGGER_MAX - 1];
 852
 853         /* UMAC scan tracking */
 854         u32 scan_uid_status[IWL_MVM_MAX_UMAC_SCANS];
 855
 856         /* start time of last scan in TSF of the mac that requested the scan */
 857         u64 scan_start;
 858
 859         /* the vif that requested the current scan */
 860         struct iwl_mvm_vif *scan_vif;
 861
 862         /* rx chain antennas set through debugfs for the scan command */
 863         u8 scan_rx_ant;
 864
 865 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
 866         /* broadcast filters to configure for each associated station */
 867         const struct iwl_fw_bcast_filter *bcast_filters;
 868 #ifdef CONFIG_IWLWIFI_DEBUGFS
 869         struct {
 870                 bool override;
 871                 struct iwl_bcast_filter_cmd cmd;
 872         } dbgfs_bcast_filtering;
 873 #endif
 874 #endif
 875
 876         /* Internal station */
 877         struct iwl_mvm_int_sta aux_sta;
 878         struct iwl_mvm_int_sta snif_sta;
 879
 880         bool last_ebs_successful;
 881
 882         u8 scan_last_antenna_idx; /* to toggle TX between antennas */
 883         u8 mgmt_last_antenna_idx;
 884
 885         /* last smart fifo state that was successfully sent to firmware */
 886         enum iwl_sf_state sf_state;
 887
 888 #ifdef CONFIG_IWLWIFI_DEBUGFS
 889         struct dentry *debugfs_dir;
 890         u32 dbgfs_sram_offset, dbgfs_sram_len;
 891         u32 dbgfs_prph_reg_addr;
 892         bool disable_power_off;
 893         bool disable_power_off_d3;
 894
 895         bool scan_iter_notif_enabled;
 896
 897         struct debugfs_blob_wrapper nvm_hw_blob;
 898         struct debugfs_blob_wrapper nvm_sw_blob;
 899         struct debugfs_blob_wrapper nvm_calib_blob;
 900         struct debugfs_blob_wrapper nvm_prod_blob;
 901         struct debugfs_blob_wrapper nvm_phy_sku_blob;
 902
 903         struct iwl_mvm_frame_stats drv_rx_stats;
 904         spinlock_t drv_stats_lock;
 905         u16 dbgfs_rx_phyinfo;
 906 #endif
 907
 908         struct iwl_mvm_phy_ctxt phy_ctxts[NUM_PHY_CTX];
 909
 910         struct list_head time_event_list;
 911         spinlock_t time_event_lock;
 912
 913         /*
 914          * A bitmap indicating the index of the key in use. The firmware
 915          * can hold 16 keys at most. Reflect this fact.
 916          */
 917         unsigned long fw_key_table[BITS_TO_LONGS(STA_KEY_MAX_NUM)];
 918         u8 fw_key_deleted[STA_KEY_MAX_NUM];
 919
 920         /* references taken by the driver and spinlock protecting them */
 921         spinlock_t refs_lock;
 922         u8 refs[IWL_MVM_REF_COUNT];
 923
 924         u8 vif_count;
 925
 926         /* -1 for always, 0 for never, >0 for that many times */
 927         s8 fw_restart;
 928         u8 fw_dbg_conf;
 929         struct delayed_work fw_dump_wk;
 930         const struct iwl_mvm_dump_desc *fw_dump_desc;
 931         const struct iwl_fw_dbg_trigger_tlv *fw_dump_trig;
 932
 933 #ifdef CONFIG_IWLWIFI_LEDS
 934         struct led_classdev led;
 935 #endif
 936
 937         struct ieee80211_vif *p2p_device_vif;
 938
 939 #ifdef CONFIG_PM
 940         struct wiphy_wowlan_support wowlan;
 941         int gtk_ivlen, gtk_icvlen, ptk_ivlen, ptk_icvlen;
 942
 943         /* sched scan settings for net detect */
 944         struct ieee80211_scan_ies nd_ies;
 945         struct cfg80211_match_set *nd_match_sets;
 946         int n_nd_match_sets;
 947         struct ieee80211_channel **nd_channels;
 948         int n_nd_channels;
 949         bool net_detect;
 950 #ifdef CONFIG_IWLWIFI_DEBUGFS
 951         bool d3_wake_sysassert;
 952         bool d3_test_active;
 953         bool store_d3_resume_sram;
 954         void *d3_resume_sram;
 955         u32 d3_test_pme_ptr;
 956         struct ieee80211_vif *keep_vif;
 957         u32 last_netdetect_scans; /* no. of scans in the last net-detect wake */
 958 #endif
 959 #endif
 960
 961         /* d0i3 */
 962         u8 d0i3_ap_sta_id;
 963         bool d0i3_offloading;
 964         struct work_struct d0i3_exit_work;
 965         struct sk_buff_head d0i3_tx;
 966         /* protect d0i3_suspend_flags */
 967         struct mutex d0i3_suspend_mutex;
 968         unsigned long d0i3_suspend_flags;
 969         /* sync d0i3_tx queue and IWL_MVM_STATUS_IN_D0I3 status flag */
 970         spinlock_t d0i3_tx_lock;
 971         wait_queue_head_t d0i3_exit_waitq;
 972         wait_queue_head_t rx_sync_waitq;
 973
 974         /* BT-Coex */
 975         struct iwl_bt_coex_profile_notif last_bt_notif;
 976         struct iwl_bt_coex_ci_cmd last_bt_ci_cmd;
 977
 978         u32 last_ant_isol;
 979         u8 last_corun_lut;
 980         u8 bt_tx_prio;
 981         enum iwl_bt_force_ant_mode bt_force_ant_mode;
 982
 983         /* Aux ROC */
 984         struct list_head aux_roc_te_list;
 985
 986         /* Thermal Throttling and CTkill */
 987         struct iwl_mvm_tt_mgmt thermal_throttle;
 988 #ifdef CONFIG_THERMAL
 989         struct iwl_mvm_thermal_device tz_device;
 990         struct iwl_mvm_cooling_device cooling_dev;
 991 #endif
 992
 993         s32 temperature;        /* Celsius */
 994         /*
 995          * Debug option to set the NIC temperature. This option makes the
 996          * driver think this is the actual NIC temperature, and ignore the
 997          * real temperature that is received from the fw
 998          */
 999         bool temperature_test;  /* Debug test temperature is enabled */
1000
1001         struct iwl_time_quota_cmd last_quota_cmd;
1002
1003 #ifdef CONFIG_NL80211_TESTMODE
1004         u32 noa_duration;
1005         struct ieee80211_vif *noa_vif;
1006 #endif
1007
1008         /* Tx queues */
1009         u16 aux_queue;
1010         u16 probe_queue;
1011         u16 p2p_dev_queue;
1012
1013         u8 first_agg_queue;
1014         u8 last_agg_queue;
1015
1016         /* Indicate if device power save is allowed */
1017         u8 ps_disabled; /* u8 instead of bool to ease debugfs_create_* usage */
1018         unsigned int max_amsdu_len; /* used for debugfs only */
1019
1020         struct ieee80211_vif __rcu *csa_vif;
1021         struct ieee80211_vif __rcu *csa_tx_blocked_vif;
1022         u8 csa_tx_block_bcn_timeout;
1023
1024         /* system time of last beacon (for AP/GO interface) */
1025         u32 ap_last_beacon_gp2;
1026
1027         /* indicates that we transmitted the last beacon */
1028         bool ibss_manager;
1029
1030         bool lar_regdom_set;
1031         enum iwl_mcc_source mcc_src;
1032
1033         /* TDLS channel switch data */
1034         struct {
1035                 struct delayed_work dwork;
1036                 enum iwl_mvm_tdls_cs_state state;
1037
1038                 /*
1039                  * Current cs sta - might be different from periodic cs peer
1040                  * station. Value is meaningless when the cs-state is idle.
1041                  */
1042                 u8 cur_sta_id;
1043
1044                 /* TDLS periodic channel-switch peer */
1045                 struct {
1046                         u8 sta_id;
1047                         u8 op_class;
1048                         bool initiator; /* are we the link initiator */
1049                         struct cfg80211_chan_def chandef;
1050                         struct sk_buff *skb; /* ch sw template */
1051                         u32 ch_sw_tm_ie;
1052
1053                         /* timestamp of last ch-sw request sent (GP2 time) */
1054                         u32 sent_timestamp;
1055                 } peer;
1056         } tdls_cs;
1057
1058         struct iwl_mvm_shared_mem_cfg smem_cfg;
1059
1060         u32 ciphers[IWL_MVM_NUM_CIPHERS];
1061         struct ieee80211_cipher_scheme cs[IWL_UCODE_MAX_CS];
1062         struct iwl_mvm_tof_data tof_data;
1063
1064         struct ieee80211_vif *nan_vif;
1065 #define IWL_MAX_BAID    32
1066         struct iwl_mvm_baid_data __rcu *baid_map[IWL_MAX_BAID];
1067
1068         /*
1069          * Drop beacons from other APs in AP mode when there are no connected
1070          * clients.
1071          */
1072         bool drop_bcn_ap_mode;
1073
1074         struct delayed_work cs_tx_unblock_dwork;
1075 #ifdef CONFIG_ACPI
1076         struct iwl_mvm_sar_profile sar_profiles[IWL_MVM_SAR_PROFILE_NUM];
1077         struct iwl_mvm_geo_profile geo_profiles[IWL_NUM_GEO_PROFILES];
1078 #endif
1079 };
1080
1081 /* Extract MVM priv from op_mode and _hw */
1082 #define IWL_OP_MODE_GET_MVM(_iwl_op_mode)               \
1083         ((struct iwl_mvm *)(_iwl_op_mode)->op_mode_specific)
1084
1085 #define IWL_MAC80211_GET_MVM(_hw)                       \
1086         IWL_OP_MODE_GET_MVM((struct iwl_op_mode *)((_hw)->priv))
1087
1088 /**
1089  * enum iwl_mvm_status - MVM status bits
1090  * @IWL_MVM_STATUS_HW_RFKILL: HW RF-kill is asserted
1091  * @IWL_MVM_STATUS_HW_CTKILL: CT-kill is active
1092  * @IWL_MVM_STATUS_ROC_RUNNING: remain-on-channel is running
1093  * @IWL_MVM_STATUS_HW_RESTART_REQUESTED: HW restart was requested
1094  * @IWL_MVM_STATUS_IN_HW_RESTART: HW restart is active
1095  * @IWL_MVM_STATUS_IN_D0I3: NIC is in D0i3
1096  * @IWL_MVM_STATUS_ROC_AUX_RUNNING: AUX remain-on-channel is running
1097  * @IWL_MVM_STATUS_D3_RECONFIG: D3 reconfiguration is being done
1098  * @IWL_MVM_STATUS_DUMPING_FW_LOG: FW log is being dumped
1099  * @IWL_MVM_STATUS_FIRMWARE_RUNNING: firmware is running
1100  */
1101 enum iwl_mvm_status {
1102         IWL_MVM_STATUS_HW_RFKILL,
1103         IWL_MVM_STATUS_HW_CTKILL,
1104         IWL_MVM_STATUS_ROC_RUNNING,
1105         IWL_MVM_STATUS_HW_RESTART_REQUESTED,
1106         IWL_MVM_STATUS_IN_HW_RESTART,
1107         IWL_MVM_STATUS_IN_D0I3,
1108         IWL_MVM_STATUS_ROC_AUX_RUNNING,
1109         IWL_MVM_STATUS_D3_RECONFIG,
1110         IWL_MVM_STATUS_DUMPING_FW_LOG,
1111         IWL_MVM_STATUS_FIRMWARE_RUNNING,
1112 };
1113
1114 /* Keep track of completed init configuration */
1115 enum iwl_mvm_init_status {
1116         IWL_MVM_INIT_STATUS_THERMAL_INIT_COMPLETE = BIT(0),
1117         IWL_MVM_INIT_STATUS_LEDS_INIT_COMPLETE = BIT(1),
1118         IWL_MVM_INIT_STATUS_REG_HW_INIT_COMPLETE = BIT(2),
1119         IWL_MVM_INIT_STATUS_TOF_INIT_COMPLETE = BIT(3),
1120 };
1121
1122 static inline bool iwl_mvm_is_radio_killed(struct iwl_mvm *mvm)
1123 {
1124         return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status) ||
1125                test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
1126 }
1127
1128 static inline bool iwl_mvm_is_radio_hw_killed(struct iwl_mvm *mvm)
1129 {
1130         return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status);
1131 }
1132
1133 static inline bool iwl_mvm_firmware_running(struct iwl_mvm *mvm)
1134 {
1135         return test_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status);
1136 }
1137
1138 /* Must be called with rcu_read_lock() held and it can only be
1139  * released when mvmsta is not needed anymore.
1140  */
1141 static inline struct iwl_mvm_sta *
1142 iwl_mvm_sta_from_staid_rcu(struct iwl_mvm *mvm, u8 sta_id)
1143 {
1144         struct ieee80211_sta *sta;
1145
1146         if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
1147                 return NULL;
1148
1149         sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
1150
1151         /* This can happen if the station has been removed right now */
1152         if (IS_ERR_OR_NULL(sta))
1153                 return NULL;
1154
1155         return iwl_mvm_sta_from_mac80211(sta);
1156 }
1157
1158 static inline struct iwl_mvm_sta *
1159 iwl_mvm_sta_from_staid_protected(struct iwl_mvm *mvm, u8 sta_id)
1160 {
1161         struct ieee80211_sta *sta;
1162
1163         if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
1164                 return NULL;
1165
1166         sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id],
1167                                         lockdep_is_held(&mvm->mutex));
1168
1169         /* This can happen if the station has been removed right now */
1170         if (IS_ERR_OR_NULL(sta))
1171                 return NULL;
1172
1173         return iwl_mvm_sta_from_mac80211(sta);
1174 }
1175
1176 static inline bool iwl_mvm_is_d0i3_supported(struct iwl_mvm *mvm)
1177 {
1178         return !iwlwifi_mod_params.d0i3_disable &&
1179                 fw_has_capa(&mvm->fw->ucode_capa,
1180                             IWL_UCODE_TLV_CAPA_D0I3_SUPPORT);
1181 }
1182
1183 static inline bool iwl_mvm_is_dqa_supported(struct iwl_mvm *mvm)
1184 {
1185         return fw_has_capa(&mvm->fw->ucode_capa,
1186                            IWL_UCODE_TLV_CAPA_DQA_SUPPORT);
1187 }
1188
1189 static inline bool iwl_mvm_enter_d0i3_on_suspend(struct iwl_mvm *mvm)
1190 {
1191         /* For now we only use this mode to differentiate between
1192          * slave transports, which handle D0i3 entry in suspend by
1193          * themselves in conjunction with runtime PM D0i3.  So, this
1194          * function is used to check whether we need to do anything
1195          * when entering suspend or if the transport layer has already
1196          * done it.
1197          */
1198         return (mvm->trans->system_pm_mode == IWL_PLAT_PM_MODE_D0I3) &&
1199                 (mvm->trans->runtime_pm_mode != IWL_PLAT_PM_MODE_D0I3);
1200 }
1201
1202 static inline bool iwl_mvm_is_dqa_data_queue(struct iwl_mvm *mvm, u8 queue)
1203 {
1204         return (queue >= IWL_MVM_DQA_MIN_DATA_QUEUE) &&
1205                (queue <= IWL_MVM_DQA_MAX_DATA_QUEUE);
1206 }
1207
1208 static inline bool iwl_mvm_is_dqa_mgmt_queue(struct iwl_mvm *mvm, u8 queue)
1209 {
1210         return (queue >= IWL_MVM_DQA_MIN_MGMT_QUEUE) &&
1211                (queue <= IWL_MVM_DQA_MAX_MGMT_QUEUE);
1212 }
1213
1214 static inline bool iwl_mvm_is_lar_supported(struct iwl_mvm *mvm)
1215 {
1216         bool nvm_lar = mvm->nvm_data->lar_enabled;
1217         bool tlv_lar = fw_has_capa(&mvm->fw->ucode_capa,
1218                                    IWL_UCODE_TLV_CAPA_LAR_SUPPORT);
1219
1220         if (iwlwifi_mod_params.lar_disable)
1221                 return false;
1222
1223         /*
1224          * Enable LAR only if it is supported by the FW (TLV) &&
1225          * enabled in the NVM
1226          */
1227         if (mvm->cfg->ext_nvm)
1228                 return nvm_lar && tlv_lar;
1229         else
1230                 return tlv_lar;
1231 }
1232
1233 static inline bool iwl_mvm_is_wifi_mcc_supported(struct iwl_mvm *mvm)
1234 {
1235         return fw_has_api(&mvm->fw->ucode_capa,
1236                           IWL_UCODE_TLV_API_WIFI_MCC_UPDATE) ||
1237                fw_has_capa(&mvm->fw->ucode_capa,
1238                            IWL_UCODE_TLV_CAPA_LAR_MULTI_MCC);
1239 }
1240
1241 static inline bool iwl_mvm_bt_is_plcr_supported(struct iwl_mvm *mvm)
1242 {
1243         return fw_has_capa(&mvm->fw->ucode_capa,
1244                            IWL_UCODE_TLV_CAPA_BT_COEX_PLCR) &&
1245                 IWL_MVM_BT_COEX_CORUNNING;
1246 }
1247
1248 static inline bool iwl_mvm_bt_is_rrc_supported(struct iwl_mvm *mvm)
1249 {
1250         return fw_has_capa(&mvm->fw->ucode_capa,
1251                            IWL_UCODE_TLV_CAPA_BT_COEX_RRC) &&
1252                 IWL_MVM_BT_COEX_RRC;
1253 }
1254
1255 static inline bool iwl_mvm_is_csum_supported(struct iwl_mvm *mvm)
1256 {
1257         return fw_has_capa(&mvm->fw->ucode_capa,
1258                            IWL_UCODE_TLV_CAPA_CSUM_SUPPORT) &&
1259                !IWL_MVM_HW_CSUM_DISABLE;
1260 }
1261
1262 static inline bool iwl_mvm_is_mplut_supported(struct iwl_mvm *mvm)
1263 {
1264         return fw_has_capa(&mvm->fw->ucode_capa,
1265                            IWL_UCODE_TLV_CAPA_BT_MPLUT_SUPPORT) &&
1266                 IWL_MVM_BT_COEX_MPLUT;
1267 }
1268
1269 static inline
1270 bool iwl_mvm_is_p2p_scm_uapsd_supported(struct iwl_mvm *mvm)
1271 {
1272         return fw_has_capa(&mvm->fw->ucode_capa,
1273                            IWL_UCODE_TLV_CAPA_P2P_SCM_UAPSD) &&
1274                 !(iwlwifi_mod_params.uapsd_disable &
1275                   IWL_DISABLE_UAPSD_P2P_CLIENT);
1276 }
1277
1278 static inline bool iwl_mvm_has_new_rx_api(struct iwl_mvm *mvm)
1279 {
1280         return fw_has_capa(&mvm->fw->ucode_capa,
1281                            IWL_UCODE_TLV_CAPA_MULTI_QUEUE_RX_SUPPORT);
1282 }
1283
1284 static inline bool iwl_mvm_has_new_tx_api(struct iwl_mvm *mvm)
1285 {
1286         /* TODO - replace with TLV once defined */
1287         return mvm->trans->cfg->use_tfh;
1288 }
1289
1290 static inline bool iwl_mvm_is_cdb_supported(struct iwl_mvm *mvm)
1291 {
1292         /*
1293          * TODO:
1294          * The issue of how to determine CDB APIs and usage is still not fully
1295          * defined.
1296          * There is a compilation for CDB and non-CDB FW, but there may
1297          * be also runtime check.
1298          * For now there is a TLV for checking compilation mode, but a
1299          * runtime check will also have to be here - once defined.
1300          */
1301         return fw_has_capa(&mvm->fw->ucode_capa,
1302                            IWL_UCODE_TLV_CAPA_CDB_SUPPORT);
1303 }
1304
1305 static inline bool iwl_mvm_has_new_rx_stats_api(struct iwl_mvm *mvm)
1306 {
1307         return fw_has_api(&mvm->fw->ucode_capa,
1308                           IWL_UCODE_TLV_API_NEW_RX_STATS);
1309 }
1310
1311 static inline struct agg_tx_status *
1312 iwl_mvm_get_agg_status(struct iwl_mvm *mvm, void *tx_resp)
1313 {
1314         if (iwl_mvm_has_new_tx_api(mvm))
1315                 return &((struct iwl_mvm_tx_resp *)tx_resp)->status;
1316         else
1317                 return ((struct iwl_mvm_tx_resp_v3 *)tx_resp)->status;
1318 }
1319
1320 static inline bool iwl_mvm_is_tt_in_fw(struct iwl_mvm *mvm)
1321 {
1322 #ifdef CONFIG_THERMAL
1323         /* these two TLV are redundant since the responsibility to CT-kill by
1324          * FW happens only after we send at least one command of
1325          * temperature THs report.
1326          */
1327         return fw_has_capa(&mvm->fw->ucode_capa,
1328                            IWL_UCODE_TLV_CAPA_CT_KILL_BY_FW) &&
1329                fw_has_capa(&mvm->fw->ucode_capa,
1330                            IWL_UCODE_TLV_CAPA_TEMP_THS_REPORT_SUPPORT);
1331 #else /* CONFIG_THERMAL */
1332         return false;
1333 #endif /* CONFIG_THERMAL */
1334 }
1335
1336 static inline bool iwl_mvm_is_ctdp_supported(struct iwl_mvm *mvm)
1337 {
1338         return fw_has_capa(&mvm->fw->ucode_capa,
1339                            IWL_UCODE_TLV_CAPA_CTDP_SUPPORT);
1340 }
1341
1342 extern const u8 iwl_mvm_ac_to_tx_fifo[];
1343
1344 struct iwl_rate_info {
1345         u8 plcp;        /* uCode API:  IWL_RATE_6M_PLCP, etc. */
1346         u8 plcp_siso;   /* uCode API:  IWL_RATE_SISO_6M_PLCP, etc. */
1347         u8 plcp_mimo2;  /* uCode API:  IWL_RATE_MIMO2_6M_PLCP, etc. */
1348         u8 plcp_mimo3;  /* uCode API:  IWL_RATE_MIMO3_6M_PLCP, etc. */
1349         u8 ieee;        /* MAC header:  IWL_RATE_6M_IEEE, etc. */
1350 };
1351
1352 void __iwl_mvm_mac_stop(struct iwl_mvm *mvm);
1353 int __iwl_mvm_mac_start(struct iwl_mvm *mvm);
1354
1355 /******************
1356  * MVM Methods
1357  ******************/
1358 /* uCode */
1359 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm);
1360
1361 /* Utils */
1362 int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags,
1363                                         enum nl80211_band band);
1364 void iwl_mvm_hwrate_to_tx_rate(u32 rate_n_flags,
1365                                enum nl80211_band band,
1366                                struct ieee80211_tx_rate *r);
1367 u8 iwl_mvm_mac80211_idx_to_hwrate(int rate_idx);
1368 void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm);
1369 u8 first_antenna(u8 mask);
1370 u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx);
1371 void iwl_mvm_get_sync_time(struct iwl_mvm *mvm, u32 *gp2, u64 *boottime);
1372
1373 /* Tx / Host Commands */
1374 int __must_check iwl_mvm_send_cmd(struct iwl_mvm *mvm,
1375                                   struct iwl_host_cmd *cmd);
1376 int __must_check iwl_mvm_send_cmd_pdu(struct iwl_mvm *mvm, u32 id,
1377                                       u32 flags, u16 len, const void *data);
1378 int __must_check iwl_mvm_send_cmd_status(struct iwl_mvm *mvm,
1379                                          struct iwl_host_cmd *cmd,
1380                                          u32 *status);
1381 int __must_check iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u32 id,
1382                                              u16 len, const void *data,
1383                                              u32 *status);
1384 int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb,
1385                    struct ieee80211_sta *sta);
1386 int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb);
1387 void iwl_mvm_set_tx_cmd(struct iwl_mvm *mvm, struct sk_buff *skb,
1388                         struct iwl_tx_cmd *tx_cmd,
1389                         struct ieee80211_tx_info *info, u8 sta_id);
1390 void iwl_mvm_set_tx_cmd_rate(struct iwl_mvm *mvm, struct iwl_tx_cmd *tx_cmd,
1391                             struct ieee80211_tx_info *info,
1392                             struct ieee80211_sta *sta, __le16 fc);
1393 #ifdef CONFIG_IWLWIFI_DEBUG
1394 const char *iwl_mvm_get_tx_fail_reason(u32 status);
1395 #else
1396 static inline const char *iwl_mvm_get_tx_fail_reason(u32 status) { return ""; }
1397 #endif
1398 int iwl_mvm_flush_tx_path(struct iwl_mvm *mvm, u32 tfd_msk, u32 flags);
1399 int iwl_mvm_flush_sta(struct iwl_mvm *mvm, void *sta, bool internal, u32 flags);
1400 int iwl_mvm_flush_sta_tids(struct iwl_mvm *mvm, u32 sta_id,
1401                            u16 tids, u32 flags);
1402
1403 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm);
1404
1405 static inline void iwl_mvm_set_tx_cmd_ccmp(struct ieee80211_tx_info *info,
1406                                            struct iwl_tx_cmd *tx_cmd)
1407 {
1408         struct ieee80211_key_conf *keyconf = info->control.hw_key;
1409
1410         tx_cmd->sec_ctl = TX_CMD_SEC_CCM;
1411         memcpy(tx_cmd->key, keyconf->key, keyconf->keylen);
1412 }
1413
1414 static inline void iwl_mvm_wait_for_async_handlers(struct iwl_mvm *mvm)
1415 {
1416         flush_work(&mvm->async_handlers_wk);
1417 }
1418
1419 /* Statistics */
1420 void iwl_mvm_handle_rx_statistics(struct iwl_mvm *mvm,
1421                                   struct iwl_rx_packet *pkt);
1422 void iwl_mvm_rx_statistics(struct iwl_mvm *mvm,
1423                            struct iwl_rx_cmd_buffer *rxb);
1424 int iwl_mvm_request_statistics(struct iwl_mvm *mvm, bool clear);
1425 void iwl_mvm_accu_radio_stats(struct iwl_mvm *mvm);
1426
1427 /* NVM */
1428 int iwl_nvm_init(struct iwl_mvm *mvm, bool read_nvm_from_nic);
1429 int iwl_mvm_nvm_get_from_fw(struct iwl_mvm *mvm);
1430 int iwl_mvm_load_nvm_to_nic(struct iwl_mvm *mvm);
1431 int iwl_mvm_read_external_nvm(struct iwl_mvm *mvm);
1432
1433 static inline u8 iwl_mvm_get_valid_tx_ant(struct iwl_mvm *mvm)
1434 {
1435         return mvm->nvm_data && mvm->nvm_data->valid_tx_ant ?
1436                mvm->fw->valid_tx_ant & mvm->nvm_data->valid_tx_ant :
1437                mvm->fw->valid_tx_ant;
1438 }
1439
1440 static inline u8 iwl_mvm_get_valid_rx_ant(struct iwl_mvm *mvm)
1441 {
1442         return mvm->nvm_data && mvm->nvm_data->valid_rx_ant ?
1443                mvm->fw->valid_rx_ant & mvm->nvm_data->valid_rx_ant :
1444                mvm->fw->valid_rx_ant;
1445 }
1446
1447 static inline u32 iwl_mvm_get_phy_config(struct iwl_mvm *mvm)
1448 {
1449         u32 phy_config = ~(FW_PHY_CFG_TX_CHAIN |
1450                            FW_PHY_CFG_RX_CHAIN);
1451         u32 valid_rx_ant = iwl_mvm_get_valid_rx_ant(mvm);
1452         u32 valid_tx_ant = iwl_mvm_get_valid_tx_ant(mvm);
1453
1454         phy_config |= valid_tx_ant << FW_PHY_CFG_TX_CHAIN_POS |
1455                       valid_rx_ant << FW_PHY_CFG_RX_CHAIN_POS;
1456
1457         return mvm->fw->phy_config & phy_config;
1458 }
1459
1460 int iwl_mvm_up(struct iwl_mvm *mvm);
1461 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm);
1462
1463 int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm);
1464 bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm,
1465                                     struct iwl_bcast_filter_cmd *cmd);
1466
1467 /*
1468  * FW notifications / CMD responses handlers
1469  * Convention: iwl_mvm_rx_<NAME OF THE CMD>
1470  */
1471 void iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1472 void iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct napi_struct *napi,
1473                         struct iwl_rx_cmd_buffer *rxb);
1474 void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi,
1475                         struct iwl_rx_cmd_buffer *rxb, int queue);
1476 void iwl_mvm_rx_frame_release(struct iwl_mvm *mvm, struct napi_struct *napi,
1477                               struct iwl_rx_cmd_buffer *rxb, int queue);
1478 int iwl_mvm_notify_rx_queue(struct iwl_mvm *mvm, u32 rxq_mask,
1479                             const u8 *data, u32 count);
1480 void iwl_mvm_rx_queue_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1481                             int queue);
1482 void iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1483 void iwl_mvm_mfu_assert_dump_notif(struct iwl_mvm *mvm,
1484                                    struct iwl_rx_cmd_buffer *rxb);
1485 void iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1486 void iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm,
1487                                    struct iwl_rx_cmd_buffer *rxb);
1488 void iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1489 void iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
1490                                  struct iwl_rx_cmd_buffer *rxb);
1491 void iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm,
1492                              struct iwl_rx_cmd_buffer *rxb);
1493 void iwl_mvm_rx_shared_mem_cfg_notif(struct iwl_mvm *mvm,
1494                                      struct iwl_rx_cmd_buffer *rxb);
1495
1496 /* MVM PHY */
1497 int iwl_mvm_phy_ctxt_add(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
1498                          struct cfg80211_chan_def *chandef,
1499                          u8 chains_static, u8 chains_dynamic);
1500 int iwl_mvm_phy_ctxt_changed(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
1501                              struct cfg80211_chan_def *chandef,
1502                              u8 chains_static, u8 chains_dynamic);
1503 void iwl_mvm_phy_ctxt_ref(struct iwl_mvm *mvm,
1504                           struct iwl_mvm_phy_ctxt *ctxt);
1505 void iwl_mvm_phy_ctxt_unref(struct iwl_mvm *mvm,
1506                             struct iwl_mvm_phy_ctxt *ctxt);
1507 int iwl_mvm_phy_ctx_count(struct iwl_mvm *mvm);
1508 u8 iwl_mvm_get_channel_width(struct cfg80211_chan_def *chandef);
1509 u8 iwl_mvm_get_ctrl_pos(struct cfg80211_chan_def *chandef);
1510
1511 /* MAC (virtual interface) programming */
1512 int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1513 void iwl_mvm_mac_ctxt_release(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1514 int iwl_mvm_mac_ctxt_add(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1515 int iwl_mvm_mac_ctxt_changed(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1516                              bool force_assoc_off, const u8 *bssid_override);
1517 int iwl_mvm_mac_ctxt_remove(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1518 u32 iwl_mvm_mac_get_queues_mask(struct ieee80211_vif *vif);
1519 int iwl_mvm_mac_ctxt_beacon_changed(struct iwl_mvm *mvm,
1520                                     struct ieee80211_vif *vif);
1521 void iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm,
1522                              struct iwl_rx_cmd_buffer *rxb);
1523 void iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm,
1524                                      struct iwl_rx_cmd_buffer *rxb);
1525 void iwl_mvm_rx_stored_beacon_notif(struct iwl_mvm *mvm,
1526                                     struct iwl_rx_cmd_buffer *rxb);
1527 void iwl_mvm_mu_mimo_grp_notif(struct iwl_mvm *mvm,
1528                                struct iwl_rx_cmd_buffer *rxb);
1529 void iwl_mvm_sta_pm_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1530 void iwl_mvm_window_status_notif(struct iwl_mvm *mvm,
1531                                  struct iwl_rx_cmd_buffer *rxb);
1532 void iwl_mvm_mac_ctxt_recalc_tsf_id(struct iwl_mvm *mvm,
1533                                     struct ieee80211_vif *vif);
1534 unsigned long iwl_mvm_get_used_hw_queues(struct iwl_mvm *mvm,
1535                                          struct ieee80211_vif *exclude_vif);
1536 void iwl_mvm_channel_switch_noa_notif(struct iwl_mvm *mvm,
1537                                       struct iwl_rx_cmd_buffer *rxb);
1538 /* Bindings */
1539 int iwl_mvm_binding_add_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1540 int iwl_mvm_binding_remove_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1541
1542 /* Quota management */
1543 int iwl_mvm_update_quotas(struct iwl_mvm *mvm, bool force_upload,
1544                           struct ieee80211_vif *disabled_vif);
1545
1546 /* Scanning */
1547 int iwl_mvm_reg_scan_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1548                            struct cfg80211_scan_request *req,
1549                            struct ieee80211_scan_ies *ies);
1550 int iwl_mvm_scan_size(struct iwl_mvm *mvm);
1551 int iwl_mvm_scan_stop(struct iwl_mvm *mvm, int type, bool notify);
1552 int iwl_mvm_max_scan_ie_len(struct iwl_mvm *mvm);
1553 void iwl_mvm_report_scan_aborted(struct iwl_mvm *mvm);
1554 void iwl_mvm_scan_timeout_wk(struct work_struct *work);
1555
1556 /* Scheduled scan */
1557 void iwl_mvm_rx_lmac_scan_complete_notif(struct iwl_mvm *mvm,
1558                                          struct iwl_rx_cmd_buffer *rxb);
1559 void iwl_mvm_rx_lmac_scan_iter_complete_notif(struct iwl_mvm *mvm,
1560                                               struct iwl_rx_cmd_buffer *rxb);
1561 int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm,
1562                              struct ieee80211_vif *vif,
1563                              struct cfg80211_sched_scan_request *req,
1564                              struct ieee80211_scan_ies *ies,
1565                              int type);
1566 void iwl_mvm_rx_scan_match_found(struct iwl_mvm *mvm,
1567                                  struct iwl_rx_cmd_buffer *rxb);
1568
1569 /* UMAC scan */
1570 int iwl_mvm_config_scan(struct iwl_mvm *mvm);
1571 void iwl_mvm_rx_umac_scan_complete_notif(struct iwl_mvm *mvm,
1572                                          struct iwl_rx_cmd_buffer *rxb);
1573 void iwl_mvm_rx_umac_scan_iter_complete_notif(struct iwl_mvm *mvm,
1574                                               struct iwl_rx_cmd_buffer *rxb);
1575
1576 /* Paging */
1577 void iwl_free_fw_paging(struct iwl_mvm *mvm);
1578
1579 /* MVM debugfs */
1580 #ifdef CONFIG_IWLWIFI_DEBUGFS
1581 int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir);
1582 void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1583 void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1584 #else
1585 static inline int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm,
1586                                          struct dentry *dbgfs_dir)
1587 {
1588         return 0;
1589 }
1590 static inline void
1591 iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1592 {
1593 }
1594 static inline void
1595 iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1596 {
1597 }
1598 #endif /* CONFIG_IWLWIFI_DEBUGFS */
1599
1600 /* rate scaling */
1601 int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool init);
1602 void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm, u32 rate, bool agg);
1603 int rs_pretty_print_rate(char *buf, const u32 rate);
1604 void rs_update_last_rssi(struct iwl_mvm *mvm,
1605                          struct iwl_lq_sta *lq_sta,
1606                          struct ieee80211_rx_status *rx_status);
1607
1608 /* power management */
1609 int iwl_mvm_power_update_device(struct iwl_mvm *mvm);
1610 int iwl_mvm_power_update_mac(struct iwl_mvm *mvm);
1611 int iwl_mvm_power_update_ps(struct iwl_mvm *mvm);
1612 int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1613                                  char *buf, int bufsz);
1614
1615 void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1616 void iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm,
1617                                               struct iwl_rx_cmd_buffer *rxb);
1618
1619 #ifdef CONFIG_IWLWIFI_LEDS
1620 int iwl_mvm_leds_init(struct iwl_mvm *mvm);
1621 void iwl_mvm_leds_exit(struct iwl_mvm *mvm);
1622 #else
1623 static inline int iwl_mvm_leds_init(struct iwl_mvm *mvm)
1624 {
1625         return 0;
1626 }
1627 static inline void iwl_mvm_leds_exit(struct iwl_mvm *mvm)
1628 {
1629 }
1630 #endif
1631
1632 /* D3 (WoWLAN, NetDetect) */
1633 int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan);
1634 int iwl_mvm_resume(struct ieee80211_hw *hw);
1635 void iwl_mvm_set_wakeup(struct ieee80211_hw *hw, bool enabled);
1636 void iwl_mvm_set_rekey_data(struct ieee80211_hw *hw,
1637                             struct ieee80211_vif *vif,
1638                             struct cfg80211_gtk_rekey_data *data);
1639 void iwl_mvm_ipv6_addr_change(struct ieee80211_hw *hw,
1640                               struct ieee80211_vif *vif,
1641                               struct inet6_dev *idev);
1642 void iwl_mvm_set_default_unicast_key(struct ieee80211_hw *hw,
1643                                      struct ieee80211_vif *vif, int idx);
1644 extern const struct file_operations iwl_dbgfs_d3_test_ops;
1645 #ifdef CONFIG_PM
1646 int iwl_mvm_wowlan_config_key_params(struct iwl_mvm *mvm,
1647                                      struct ieee80211_vif *vif,
1648                                      bool host_awake,
1649                                      u32 cmd_flags);
1650 void iwl_mvm_d0i3_update_keys(struct iwl_mvm *mvm,
1651                               struct ieee80211_vif *vif,
1652                               struct iwl_wowlan_status *status);
1653 void iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm,
1654                                  struct ieee80211_vif *vif);
1655 #else
1656 static inline int iwl_mvm_wowlan_config_key_params(struct iwl_mvm *mvm,
1657                                                    struct ieee80211_vif *vif,
1658                                                    bool host_awake,
1659                                                    u32 cmd_flags)
1660 {
1661         return 0;
1662 }
1663
1664 static inline void iwl_mvm_d0i3_update_keys(struct iwl_mvm *mvm,
1665                                             struct ieee80211_vif *vif,
1666                                             struct iwl_wowlan_status *status)
1667 {
1668 }
1669
1670 static inline void
1671 iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1672 {
1673 }
1674 #endif
1675 void iwl_mvm_set_wowlan_qos_seq(struct iwl_mvm_sta *mvm_ap_sta,
1676                                 struct iwl_wowlan_config_cmd *cmd);
1677 int iwl_mvm_send_proto_offload(struct iwl_mvm *mvm,
1678                                struct ieee80211_vif *vif,
1679                                bool disable_offloading,
1680                                bool offload_ns,
1681                                u32 cmd_flags);
1682
1683 /* D0i3 */
1684 void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1685 void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1686 int iwl_mvm_ref_sync(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1687 bool iwl_mvm_ref_taken(struct iwl_mvm *mvm);
1688 void iwl_mvm_d0i3_enable_tx(struct iwl_mvm *mvm, __le16 *qos_seq);
1689 int iwl_mvm_enter_d0i3(struct iwl_op_mode *op_mode);
1690 int iwl_mvm_exit_d0i3(struct iwl_op_mode *op_mode);
1691 int _iwl_mvm_exit_d0i3(struct iwl_mvm *mvm);
1692
1693 /* BT Coex */
1694 int iwl_mvm_send_bt_init_conf(struct iwl_mvm *mvm);
1695 void iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm,
1696                               struct iwl_rx_cmd_buffer *rxb);
1697 void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1698                            enum ieee80211_rssi_event_data);
1699 void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm);
1700 u16 iwl_mvm_coex_agg_time_limit(struct iwl_mvm *mvm,
1701                                 struct ieee80211_sta *sta);
1702 bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm,
1703                                      struct ieee80211_sta *sta);
1704 bool iwl_mvm_bt_coex_is_ant_avail(struct iwl_mvm *mvm, u8 ant);
1705 bool iwl_mvm_bt_coex_is_shared_ant_avail(struct iwl_mvm *mvm);
1706 bool iwl_mvm_bt_coex_is_tpc_allowed(struct iwl_mvm *mvm,
1707                                     enum nl80211_band band);
1708 u8 iwl_mvm_bt_coex_tx_prio(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr,
1709                            struct ieee80211_tx_info *info, u8 ac);
1710
1711 /* beacon filtering */
1712 #ifdef CONFIG_IWLWIFI_DEBUGFS
1713 void
1714 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1715                                          struct iwl_beacon_filter_cmd *cmd);
1716 #else
1717 static inline void
1718 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1719                                          struct iwl_beacon_filter_cmd *cmd)
1720 {}
1721 #endif
1722 int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm,
1723                                    struct ieee80211_vif *vif,
1724                                    bool enable, u32 flags);
1725 int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
1726                                  struct ieee80211_vif *vif,
1727                                  u32 flags);
1728 int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
1729                                   struct ieee80211_vif *vif,
1730                                   u32 flags);
1731 /* SMPS */
1732 void iwl_mvm_update_smps(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1733                                 enum iwl_mvm_smps_type_request req_type,
1734                                 enum ieee80211_smps_mode smps_request);
1735 bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm *mvm);
1736
1737 /* Low latency */
1738 int iwl_mvm_update_low_latency(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1739                                bool value);
1740 /* get SystemLowLatencyMode - only needed for beacon threshold? */
1741 bool iwl_mvm_low_latency(struct iwl_mvm *mvm);
1742 /* get VMACLowLatencyMode */
1743 static inline bool iwl_mvm_vif_low_latency(struct iwl_mvm_vif *mvmvif)
1744 {
1745         /*
1746          * should this consider associated/active/... state?
1747          *
1748          * Normally low-latency should only be active on interfaces
1749          * that are active, but at least with debugfs it can also be
1750          * enabled on interfaces that aren't active. However, when
1751          * interface aren't active then they aren't added into the
1752          * binding, so this has no real impact. For now, just return
1753          * the current desired low-latency state.
1754          */
1755         return mvmvif->low_latency_dbgfs ||
1756                mvmvif->low_latency_traffic ||
1757                mvmvif->low_latency_vcmd;
1758 }
1759
1760 /* hw scheduler queue config */
1761 bool iwl_mvm_enable_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue,
1762                         u16 ssn, const struct iwl_trans_txq_scd_cfg *cfg,
1763                         unsigned int wdg_timeout);
1764 int iwl_mvm_tvqm_enable_txq(struct iwl_mvm *mvm, int mac80211_queue,
1765                             u8 sta_id, u8 tid, unsigned int timeout);
1766
1767 /*
1768  * Disable a TXQ.
1769  * Note that in non-DQA mode the %mac80211_queue and %tid params are ignored.
1770  */
1771 int iwl_mvm_disable_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue,
1772                         u8 tid, u8 flags);
1773 int iwl_mvm_find_free_queue(struct iwl_mvm *mvm, u8 sta_id, u8 minq, u8 maxq);
1774
1775 /* Return a bitmask with all the hw supported queues, except for the
1776  * command queue, which can't be flushed.
1777  */
1778 static inline u32 iwl_mvm_flushable_queues(struct iwl_mvm *mvm)
1779 {
1780         u32 cmd_queue = iwl_mvm_is_dqa_supported(mvm) ? IWL_MVM_DQA_CMD_QUEUE :
1781                 IWL_MVM_CMD_QUEUE;
1782
1783         return ((BIT(mvm->cfg->base_params->num_of_queues) - 1) &
1784                 ~BIT(cmd_queue));
1785 }
1786
1787 static inline
1788 void iwl_mvm_enable_ac_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue,
1789                            u8 fifo, u16 ssn, unsigned int wdg_timeout)
1790 {
1791         struct iwl_trans_txq_scd_cfg cfg = {
1792                 .fifo = fifo,
1793                 .tid = IWL_MAX_TID_COUNT,
1794                 .aggregate = false,
1795                 .frame_limit = IWL_FRAME_LIMIT,
1796         };
1797
1798         iwl_mvm_enable_txq(mvm, queue, mac80211_queue, ssn, &cfg, wdg_timeout);
1799 }
1800
1801 static inline void iwl_mvm_stop_device(struct iwl_mvm *mvm)
1802 {
1803         if (!iwl_mvm_has_new_tx_api(mvm))
1804                 iwl_free_fw_paging(mvm);
1805         clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status);
1806         mvm->fw_dbg_conf = FW_DBG_INVALID;
1807         iwl_trans_stop_device(mvm->trans);
1808 }
1809
1810 /* Stop/start all mac queues in a given bitmap */
1811 void iwl_mvm_start_mac_queues(struct iwl_mvm *mvm, unsigned long mq);
1812 void iwl_mvm_stop_mac_queues(struct iwl_mvm *mvm, unsigned long mq);
1813
1814 /* Re-configure the SCD for a queue that has already been configured */
1815 int iwl_mvm_reconfig_scd(struct iwl_mvm *mvm, int queue, int fifo, int sta_id,
1816                          int tid, int frame_limit, u16 ssn);
1817
1818 /* Thermal management and CT-kill */
1819 void iwl_mvm_tt_tx_backoff(struct iwl_mvm *mvm, u32 backoff);
1820 void iwl_mvm_tt_temp_changed(struct iwl_mvm *mvm, u32 temp);
1821 void iwl_mvm_temp_notif(struct iwl_mvm *mvm,
1822                         struct iwl_rx_cmd_buffer *rxb);
1823 void iwl_mvm_tt_handler(struct iwl_mvm *mvm);
1824 void iwl_mvm_thermal_initialize(struct iwl_mvm *mvm, u32 min_backoff);
1825 void iwl_mvm_thermal_exit(struct iwl_mvm *mvm);
1826 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state);
1827 int iwl_mvm_get_temp(struct iwl_mvm *mvm, s32 *temp);
1828 void iwl_mvm_ct_kill_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1829 int iwl_mvm_send_temp_report_ths_cmd(struct iwl_mvm *mvm);
1830 int iwl_mvm_ctdp_command(struct iwl_mvm *mvm, u32 op, u32 budget);
1831
1832 /* Location Aware Regulatory */
1833 struct iwl_mcc_update_resp *
1834 iwl_mvm_update_mcc(struct iwl_mvm *mvm, const char *alpha2,
1835                    enum iwl_mcc_source src_id);
1836 int iwl_mvm_init_mcc(struct iwl_mvm *mvm);
1837 void iwl_mvm_rx_chub_update_mcc(struct iwl_mvm *mvm,
1838                                 struct iwl_rx_cmd_buffer *rxb);
1839 struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy,
1840                                                   const char *alpha2,
1841                                                   enum iwl_mcc_source src_id,
1842                                                   bool *changed);
1843 struct ieee80211_regdomain *iwl_mvm_get_current_regdomain(struct iwl_mvm *mvm,
1844                                                           bool *changed);
1845 int iwl_mvm_init_fw_regd(struct iwl_mvm *mvm);
1846 void iwl_mvm_update_changed_regdom(struct iwl_mvm *mvm);
1847
1848 /* smart fifo */
1849 int iwl_mvm_sf_update(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1850                       bool added_vif);
1851
1852 /* TDLS */
1853
1854 /*
1855  * We use TID 4 (VI) as a FW-used-only TID when TDLS connections are present.
1856  * This TID is marked as used vs the AP and all connected TDLS peers.
1857  */
1858 #define IWL_MVM_TDLS_FW_TID 4
1859
1860 int iwl_mvm_tdls_sta_count(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1861 void iwl_mvm_teardown_tdls_peers(struct iwl_mvm *mvm);
1862 void iwl_mvm_recalc_tdls_state(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1863                                bool sta_added);
1864 void iwl_mvm_mac_mgd_protect_tdls_discover(struct ieee80211_hw *hw,
1865                                            struct ieee80211_vif *vif);
1866 int iwl_mvm_tdls_channel_switch(struct ieee80211_hw *hw,
1867                                 struct ieee80211_vif *vif,
1868                                 struct ieee80211_sta *sta, u8 oper_class,
1869                                 struct cfg80211_chan_def *chandef,
1870                                 struct sk_buff *tmpl_skb, u32 ch_sw_tm_ie);
1871 void iwl_mvm_tdls_recv_channel_switch(struct ieee80211_hw *hw,
1872                                       struct ieee80211_vif *vif,
1873                                       struct ieee80211_tdls_ch_sw_params *params);
1874 void iwl_mvm_tdls_cancel_channel_switch(struct ieee80211_hw *hw,
1875                                         struct ieee80211_vif *vif,
1876                                         struct ieee80211_sta *sta);
1877 void iwl_mvm_rx_tdls_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1878 void iwl_mvm_tdls_ch_switch_work(struct work_struct *work);
1879
1880 void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm *mvm,
1881                                      struct iwl_mvm_internal_rxq_notif *notif,
1882                                      u32 size);
1883 void iwl_mvm_reorder_timer_expired(unsigned long data);
1884 struct ieee80211_vif *iwl_mvm_get_bss_vif(struct iwl_mvm *mvm);
1885 bool iwl_mvm_is_vif_assoc(struct iwl_mvm *mvm);
1886
1887 void iwl_mvm_inactivity_check(struct iwl_mvm *mvm);
1888
1889 void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error);
1890 unsigned int iwl_mvm_get_wd_timeout(struct iwl_mvm *mvm,
1891                                     struct ieee80211_vif *vif,
1892                                     bool tdls, bool cmd_q);
1893 void iwl_mvm_connection_loss(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1894                              const char *errmsg);
1895
1896 /* Link Quality Measurement */
1897 int iwl_mvm_send_lqm_cmd(struct ieee80211_vif *vif,
1898                          enum iwl_lqm_cmd_operatrions operation,
1899                          u32 duration, u32 timeout);
1900 bool iwl_mvm_lqm_active(struct iwl_mvm *mvm);
1901
1902 #ifdef CONFIG_ACPI
1903 int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a, int prof_b);
1904 int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm);
1905 #else
1906 static inline
1907 int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a, int prof_b)
1908 {
1909         return -ENOENT;
1910 }
1911
1912 static inline
1913 int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm)
1914 {
1915         return -ENOENT;
1916 }
1917 #endif /* CONFIG_ACPI */
1918
1919 #endif /* __IWL_MVM_H__ */