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

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  63
  64 #ifndef __IWL_MVM_H__
  65 #define __IWL_MVM_H__
  66
  67 #include <linux/list.h>
  68 #include <linux/spinlock.h>
  69 #include <linux/leds.h>
  70 #include <linux/in6.h>
  71
  72 #include "iwl-op-mode.h"
  73 #include "iwl-trans.h"
  74 #include "iwl-notif-wait.h"
  75 #include "iwl-eeprom-parse.h"
  76 #include "sta.h"
  77 #include "fw-api.h"
  78 #include "constants.h"
  79
  80 #define IWL_INVALID_MAC80211_QUEUE      0xff
  81 #define IWL_MVM_MAX_ADDRESSES           5
  82 /* RSSI offset for WkP */
  83 #define IWL_RSSI_OFFSET 50
  84 #define IWL_MVM_MISSED_BEACONS_THRESHOLD 8
  85
  86 enum iwl_mvm_tx_fifo {
  87         IWL_MVM_TX_FIFO_BK = 0,
  88         IWL_MVM_TX_FIFO_BE,
  89         IWL_MVM_TX_FIFO_VI,
  90         IWL_MVM_TX_FIFO_VO,
  91         IWL_MVM_TX_FIFO_MCAST = 5,
  92 };
  93
  94 extern struct ieee80211_ops iwl_mvm_hw_ops;
  95 extern const struct iwl_mvm_power_ops pm_legacy_ops;
  96 extern const struct iwl_mvm_power_ops pm_mac_ops;
  97
  98 /**
  99  * struct iwl_mvm_mod_params - module parameters for iwlmvm
 100  * @init_dbg: if true, then the NIC won't be stopped if the INIT fw asserted.
 101  *      We will register to mac80211 to have testmode working. The NIC must not
 102  *      be up'ed after the INIT fw asserted. This is useful to be able to use
 103  *      proprietary tools over testmode to debug the INIT fw.
 104  * @power_scheme: CAM(Continuous Active Mode)-1, BPS(Balanced Power
 105  *      Save)-2(default), LP(Low Power)-3
 106  */
 107 struct iwl_mvm_mod_params {
 108         bool init_dbg;
 109         int power_scheme;
 110 };
 111 extern struct iwl_mvm_mod_params iwlmvm_mod_params;
 112
 113 struct iwl_mvm_phy_ctxt {
 114         u16 id;
 115         u16 color;
 116         u32 ref;
 117
 118         /*
 119          * TODO: This should probably be removed. Currently here only for rate
 120          * scaling algorithm
 121          */
 122         struct ieee80211_channel *channel;
 123 };
 124
 125 struct iwl_mvm_time_event_data {
 126         struct ieee80211_vif *vif;
 127         struct list_head list;
 128         unsigned long end_jiffies;
 129         u32 duration;
 130         bool running;
 131         u32 uid;
 132
 133         /*
 134          * The access to the 'id' field must be done when the
 135          * mvm->time_event_lock is held, as it value is used to indicate
 136          * if the te is in the time event list or not (when id == TE_MAX)
 137          */
 138         u32 id;
 139 };
 140
 141  /* Power management */
 142
 143 /**
 144  * enum iwl_power_scheme
 145  * @IWL_POWER_LEVEL_CAM - Continuously Active Mode
 146  * @IWL_POWER_LEVEL_BPS - Balanced Power Save (default)
 147  * @IWL_POWER_LEVEL_LP  - Low Power
 148  */
 149 enum iwl_power_scheme {
 150         IWL_POWER_SCHEME_CAM = 1,
 151         IWL_POWER_SCHEME_BPS,
 152         IWL_POWER_SCHEME_LP
 153 };
 154
 155 #define IWL_CONN_MAX_LISTEN_INTERVAL    70
 156 #define IWL_UAPSD_AC_INFO               (IEEE80211_WMM_IE_STA_QOSINFO_AC_VO |\
 157                                          IEEE80211_WMM_IE_STA_QOSINFO_AC_VI |\
 158                                          IEEE80211_WMM_IE_STA_QOSINFO_AC_BK |\
 159                                          IEEE80211_WMM_IE_STA_QOSINFO_AC_BE)
 160 #define IWL_UAPSD_MAX_SP                IEEE80211_WMM_IE_STA_QOSINFO_SP_2
 161
 162 struct iwl_mvm_power_ops {
 163         int (*power_update_mode)(struct iwl_mvm *mvm,
 164                                  struct ieee80211_vif *vif);
 165         int (*power_update_device_mode)(struct iwl_mvm *mvm);
 166         int (*power_disable)(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 167         void (*power_update_binding)(struct iwl_mvm *mvm,
 168                                      struct ieee80211_vif *vif, bool assign);
 169 #ifdef CONFIG_IWLWIFI_DEBUGFS
 170         int (*power_dbgfs_read)(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 171                                 char *buf, int bufsz);
 172 #endif
 173 };
 174
 175
 176 #ifdef CONFIG_IWLWIFI_DEBUGFS
 177 enum iwl_dbgfs_pm_mask {
 178         MVM_DEBUGFS_PM_KEEP_ALIVE = BIT(0),
 179         MVM_DEBUGFS_PM_SKIP_OVER_DTIM = BIT(1),
 180         MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS = BIT(2),
 181         MVM_DEBUGFS_PM_RX_DATA_TIMEOUT = BIT(3),
 182         MVM_DEBUGFS_PM_TX_DATA_TIMEOUT = BIT(4),
 183         MVM_DEBUGFS_PM_DISABLE_POWER_OFF = BIT(5),
 184         MVM_DEBUGFS_PM_LPRX_ENA = BIT(6),
 185         MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD = BIT(7),
 186         MVM_DEBUGFS_PM_SNOOZE_ENABLE = BIT(8),
 187         MVM_DEBUGFS_PM_UAPSD_MISBEHAVING = BIT(9),
 188 };
 189
 190 struct iwl_dbgfs_pm {
 191         u16 keep_alive_seconds;
 192         u32 rx_data_timeout;
 193         u32 tx_data_timeout;
 194         bool skip_over_dtim;
 195         u8 skip_dtim_periods;
 196         bool disable_power_off;
 197         bool lprx_ena;
 198         u32 lprx_rssi_threshold;
 199         bool snooze_ena;
 200         bool uapsd_misbehaving;
 201         int mask;
 202 };
 203
 204 /* beacon filtering */
 205
 206 enum iwl_dbgfs_bf_mask {
 207         MVM_DEBUGFS_BF_ENERGY_DELTA = BIT(0),
 208         MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA = BIT(1),
 209         MVM_DEBUGFS_BF_ROAMING_STATE = BIT(2),
 210         MVM_DEBUGFS_BF_TEMP_THRESHOLD = BIT(3),
 211         MVM_DEBUGFS_BF_TEMP_FAST_FILTER = BIT(4),
 212         MVM_DEBUGFS_BF_TEMP_SLOW_FILTER = BIT(5),
 213         MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER = BIT(6),
 214         MVM_DEBUGFS_BF_DEBUG_FLAG = BIT(7),
 215         MVM_DEBUGFS_BF_ESCAPE_TIMER = BIT(8),
 216         MVM_DEBUGFS_BA_ESCAPE_TIMER = BIT(9),
 217         MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT = BIT(10),
 218 };
 219
 220 struct iwl_dbgfs_bf {
 221         u32 bf_energy_delta;
 222         u32 bf_roaming_energy_delta;
 223         u32 bf_roaming_state;
 224         u32 bf_temp_threshold;
 225         u32 bf_temp_fast_filter;
 226         u32 bf_temp_slow_filter;
 227         u32 bf_enable_beacon_filter;
 228         u32 bf_debug_flag;
 229         u32 bf_escape_timer;
 230         u32 ba_escape_timer;
 231         u32 ba_enable_beacon_abort;
 232         int mask;
 233 };
 234 #endif
 235
 236 enum iwl_mvm_smps_type_request {
 237         IWL_MVM_SMPS_REQ_BT_COEX,
 238         IWL_MVM_SMPS_REQ_TT,
 239         NUM_IWL_MVM_SMPS_REQ,
 240 };
 241
 242 enum iwl_mvm_ref_type {
 243         IWL_MVM_REF_UCODE_DOWN,
 244         IWL_MVM_REF_SCAN,
 245         IWL_MVM_REF_ROC,
 246         IWL_MVM_REF_P2P_CLIENT,
 247         IWL_MVM_REF_AP_IBSS,
 248
 249         IWL_MVM_REF_COUNT,
 250 };
 251
 252 /**
 253 * struct iwl_mvm_vif_bf_data - beacon filtering related data
 254 * @bf_enabled: indicates if beacon filtering is enabled
 255 * @ba_enabled: indicated if beacon abort is enabled
 256 * @last_beacon_signal: last beacon rssi signal in dbm
 257 * @ave_beacon_signal: average beacon signal
 258 * @last_cqm_event: rssi of the last cqm event
 259 * @bt_coex_min_thold: minimum threshold for BT coex
 260 * @bt_coex_max_thold: maximum threshold for BT coex
 261 * @last_bt_coex_event: rssi of the last BT coex event
 262 */
 263 struct iwl_mvm_vif_bf_data {
 264         bool bf_enabled;
 265         bool ba_enabled;
 266         s8 ave_beacon_signal;
 267         s8 last_cqm_event;
 268         s8 bt_coex_min_thold;
 269         s8 bt_coex_max_thold;
 270         s8 last_bt_coex_event;
 271 };
 272
 273 /**
 274  * struct iwl_mvm_vif - data per Virtual Interface, it is a MAC context
 275  * @id: between 0 and 3
 276  * @color: to solve races upon MAC addition and removal
 277  * @ap_sta_id: the sta_id of the AP - valid only if VIF type is STA
 278  * @uploaded: indicates the MAC context has been added to the device
 279  * @ap_ibss_active: indicates that AP/IBSS is configured and that the interface
 280  *      should get quota etc.
 281  * @monitor_active: indicates that monitor context is configured, and that the
 282  *      interface should get quota etc.
 283  * @low_latency: indicates that this interface is in low-latency mode
 284  *      (VMACLowLatencyMode)
 285  * @queue_params: QoS params for this MAC
 286  * @bcast_sta: station used for broadcast packets. Used by the following
 287  *  vifs: P2P_DEVICE, GO and AP.
 288  * @beacon_skb: the skb used to hold the AP/GO beacon template
 289  * @smps_requests: the SMPS requests of differents parts of the driver,
 290  *      combined on update to yield the overall request to mac80211.
 291  */
 292 struct iwl_mvm_vif {
 293         u16 id;
 294         u16 color;
 295         u8 ap_sta_id;
 296
 297         bool uploaded;
 298         bool ap_ibss_active;
 299         bool monitor_active;
 300         bool low_latency;
 301         struct iwl_mvm_vif_bf_data bf_data;
 302
 303         u32 ap_beacon_time;
 304
 305         enum iwl_tsf_id tsf_id;
 306
 307         /*
 308          * QoS data from mac80211, need to store this here
 309          * as mac80211 has a separate callback but we need
 310          * to have the data for the MAC context
 311          */
 312         struct ieee80211_tx_queue_params queue_params[IEEE80211_NUM_ACS];
 313         struct iwl_mvm_time_event_data time_event_data;
 314
 315         struct iwl_mvm_int_sta bcast_sta;
 316
 317         /*
 318          * Assigned while mac80211 has the interface in a channel context,
 319          * or, for P2P Device, while it exists.
 320          */
 321         struct iwl_mvm_phy_ctxt *phy_ctxt;
 322
 323 #ifdef CONFIG_PM_SLEEP
 324         /* WoWLAN GTK rekey data */
 325         struct {
 326                 u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN];
 327                 __le64 replay_ctr;
 328                 bool valid;
 329         } rekey_data;
 330
 331         int tx_key_idx;
 332
 333         bool seqno_valid;
 334         u16 seqno;
 335
 336 #if IS_ENABLED(CONFIG_IPV6)
 337         /* IPv6 addresses for WoWLAN */
 338         struct in6_addr target_ipv6_addrs[IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_MAX];
 339         int num_target_ipv6_addrs;
 340 #endif
 341 #endif
 342
 343 #ifdef CONFIG_IWLWIFI_DEBUGFS
 344         struct iwl_mvm *mvm;
 345         struct dentry *dbgfs_dir;
 346         struct dentry *dbgfs_slink;
 347         struct iwl_dbgfs_pm dbgfs_pm;
 348         struct iwl_dbgfs_bf dbgfs_bf;
 349 #endif
 350
 351         enum ieee80211_smps_mode smps_requests[NUM_IWL_MVM_SMPS_REQ];
 352
 353         /* FW identified misbehaving AP */
 354         u8 uapsd_misbehaving_bssid[ETH_ALEN];
 355
 356         bool pm_prevented;
 357 };
 358
 359 static inline struct iwl_mvm_vif *
 360 iwl_mvm_vif_from_mac80211(struct ieee80211_vif *vif)
 361 {
 362         return (void *)vif->drv_priv;
 363 }
 364
 365 enum iwl_scan_status {
 366         IWL_MVM_SCAN_NONE,
 367         IWL_MVM_SCAN_OS,
 368         IWL_MVM_SCAN_SCHED,
 369 };
 370
 371 /**
 372  * struct iwl_nvm_section - describes an NVM section in memory.
 373  *
 374  * This struct holds an NVM section read from the NIC using NVM_ACCESS_CMD,
 375  * and saved for later use by the driver. Not all NVM sections are saved
 376  * this way, only the needed ones.
 377  */
 378 struct iwl_nvm_section {
 379         u16 length;
 380         const u8 *data;
 381 };
 382
 383 /*
 384  * Tx-backoff threshold
 385  * @temperature: The threshold in Celsius
 386  * @backoff: The tx-backoff in uSec
 387  */
 388 struct iwl_tt_tx_backoff {
 389         s32 temperature;
 390         u32 backoff;
 391 };
 392
 393 #define TT_TX_BACKOFF_SIZE 6
 394
 395 /**
 396  * struct iwl_tt_params - thermal throttling parameters
 397  * @ct_kill_entry: CT Kill entry threshold
 398  * @ct_kill_exit: CT Kill exit threshold
 399  * @ct_kill_duration: The time  intervals (in uSec) in which the driver needs
 400  *      to checks whether to exit CT Kill.
 401  * @dynamic_smps_entry: Dynamic SMPS entry threshold
 402  * @dynamic_smps_exit: Dynamic SMPS exit threshold
 403  * @tx_protection_entry: TX protection entry threshold
 404  * @tx_protection_exit: TX protection exit threshold
 405  * @tx_backoff: Array of thresholds for tx-backoff , in ascending order.
 406  * @support_ct_kill: Support CT Kill?
 407  * @support_dynamic_smps: Support dynamic SMPS?
 408  * @support_tx_protection: Support tx protection?
 409  * @support_tx_backoff: Support tx-backoff?
 410  */
 411 struct iwl_tt_params {
 412         s32 ct_kill_entry;
 413         s32 ct_kill_exit;
 414         u32 ct_kill_duration;
 415         s32 dynamic_smps_entry;
 416         s32 dynamic_smps_exit;
 417         s32 tx_protection_entry;
 418         s32 tx_protection_exit;
 419         struct iwl_tt_tx_backoff tx_backoff[TT_TX_BACKOFF_SIZE];
 420         bool support_ct_kill;
 421         bool support_dynamic_smps;
 422         bool support_tx_protection;
 423         bool support_tx_backoff;
 424 };
 425
 426 /**
 427  * struct iwl_mvm_tt_mgnt - Thermal Throttling Management structure
 428  * @ct_kill_exit: worker to exit thermal kill
 429  * @dynamic_smps: Is thermal throttling enabled dynamic_smps?
 430  * @tx_backoff: The current thremal throttling tx backoff in uSec.
 431  * @min_backoff: The minimal tx backoff due to power restrictions
 432  * @params: Parameters to configure the thermal throttling algorithm.
 433  * @throttle: Is thermal throttling is active?
 434  */
 435 struct iwl_mvm_tt_mgmt {
 436         struct delayed_work ct_kill_exit;
 437         bool dynamic_smps;
 438         u32 tx_backoff;
 439         u32 min_backoff;
 440         const struct iwl_tt_params *params;
 441         bool throttle;
 442 };
 443
 444 struct iwl_mvm {
 445         /* for logger access */
 446         struct device *dev;
 447
 448         struct iwl_trans *trans;
 449         const struct iwl_fw *fw;
 450         const struct iwl_cfg *cfg;
 451         struct iwl_phy_db *phy_db;
 452         struct ieee80211_hw *hw;
 453
 454         /* for protecting access to iwl_mvm */
 455         struct mutex mutex;
 456         struct list_head async_handlers_list;
 457         spinlock_t async_handlers_lock;
 458         struct work_struct async_handlers_wk;
 459
 460         struct work_struct roc_done_wk;
 461
 462         unsigned long status;
 463
 464         /*
 465          * for beacon filtering -
 466          * currently only one interface can be supported
 467          */
 468         struct iwl_mvm_vif *bf_allowed_vif;
 469
 470         enum iwl_ucode_type cur_ucode;
 471         bool ucode_loaded;
 472         bool init_ucode_complete;
 473         u32 error_event_table;
 474         u32 log_event_table;
 475
 476         u32 ampdu_ref;
 477
 478         struct iwl_notif_wait_data notif_wait;
 479
 480         struct mvm_statistics_rx rx_stats;
 481
 482         unsigned long transport_queue_stop;
 483         u8 queue_to_mac80211[IWL_MAX_HW_QUEUES];
 484         atomic_t queue_stop_count[IWL_MAX_HW_QUEUES];
 485
 486         struct iwl_nvm_data *nvm_data;
 487         /* NVM sections */
 488         struct iwl_nvm_section nvm_sections[NVM_MAX_NUM_SECTIONS];
 489
 490         /* EEPROM MAC addresses */
 491         struct mac_address addresses[IWL_MVM_MAX_ADDRESSES];
 492
 493         /* data related to data path */
 494         struct iwl_rx_phy_info last_phy_info;
 495         struct ieee80211_sta __rcu *fw_id_to_mac_id[IWL_MVM_STATION_COUNT];
 496         struct work_struct sta_drained_wk;
 497         unsigned long sta_drained[BITS_TO_LONGS(IWL_MVM_STATION_COUNT)];
 498         atomic_t pending_frames[IWL_MVM_STATION_COUNT];
 499         u8 rx_ba_sessions;
 500
 501         /* configured by mac80211 */
 502         u32 rts_threshold;
 503
 504         /* Scan status, cmd (pre-allocated) and auxiliary station */
 505         enum iwl_scan_status scan_status;
 506         struct iwl_scan_cmd *scan_cmd;
 507         struct iwl_mcast_filter_cmd *mcast_filter_cmd;
 508
 509         /* rx chain antennas set through debugfs for the scan command */
 510         u8 scan_rx_ant;
 511
 512 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
 513         /* broadcast filters to configure for each associated station */
 514         const struct iwl_fw_bcast_filter *bcast_filters;
 515 #ifdef CONFIG_IWLWIFI_DEBUGFS
 516         struct {
 517                 u32 override; /* u32 for debugfs_create_bool */
 518                 struct iwl_bcast_filter_cmd cmd;
 519         } dbgfs_bcast_filtering;
 520 #endif
 521 #endif
 522
 523         /* Internal station */
 524         struct iwl_mvm_int_sta aux_sta;
 525
 526         u8 scan_last_antenna_idx; /* to toggle TX between antennas */
 527         u8 mgmt_last_antenna_idx;
 528
 529         /* last smart fifo state that was successfully sent to firmware */
 530         enum iwl_sf_state sf_state;
 531
 532 #ifdef CONFIG_IWLWIFI_DEBUGFS
 533         struct dentry *debugfs_dir;
 534         u32 dbgfs_sram_offset, dbgfs_sram_len;
 535         bool disable_power_off;
 536         bool disable_power_off_d3;
 537
 538         struct debugfs_blob_wrapper nvm_hw_blob;
 539         struct debugfs_blob_wrapper nvm_sw_blob;
 540         struct debugfs_blob_wrapper nvm_calib_blob;
 541         struct debugfs_blob_wrapper nvm_prod_blob;
 542 #endif
 543
 544         struct iwl_mvm_phy_ctxt phy_ctxts[NUM_PHY_CTX];
 545
 546         struct list_head time_event_list;
 547         spinlock_t time_event_lock;
 548
 549         /*
 550          * A bitmap indicating the index of the key in use. The firmware
 551          * can hold 16 keys at most. Reflect this fact.
 552          */
 553         unsigned long fw_key_table[BITS_TO_LONGS(STA_KEY_MAX_NUM)];
 554
 555         /* A bitmap of reference types taken by the driver. */
 556         unsigned long ref_bitmap[BITS_TO_LONGS(IWL_MVM_REF_COUNT)];
 557
 558         u8 vif_count;
 559
 560         /* -1 for always, 0 for never, >0 for that many times */
 561         s8 restart_fw;
 562
 563         struct led_classdev led;
 564
 565         struct ieee80211_vif *p2p_device_vif;
 566
 567 #ifdef CONFIG_PM_SLEEP
 568         struct wiphy_wowlan_support wowlan;
 569         int gtk_ivlen, gtk_icvlen, ptk_ivlen, ptk_icvlen;
 570 #ifdef CONFIG_IWLWIFI_DEBUGFS
 571         u32 d3_wake_sysassert; /* must be u32 for debugfs_create_bool */
 572         bool d3_test_active;
 573         bool store_d3_resume_sram;
 574         void *d3_resume_sram;
 575         u32 d3_test_pme_ptr;
 576         struct ieee80211_vif *keep_vif;
 577 #endif
 578 #endif
 579
 580         /* d0i3 */
 581         u8 d0i3_ap_sta_id;
 582         struct work_struct d0i3_exit_work;
 583
 584         /* BT-Coex */
 585         u8 bt_kill_msk;
 586         struct iwl_bt_coex_profile_notif last_bt_notif;
 587         struct iwl_bt_coex_ci_cmd last_bt_ci_cmd;
 588
 589         /* Thermal Throttling and CTkill */
 590         struct iwl_mvm_tt_mgmt thermal_throttle;
 591         s32 temperature;        /* Celsius */
 592
 593         const struct iwl_mvm_power_ops *pm_ops;
 594
 595 #ifdef CONFIG_NL80211_TESTMODE
 596         u32 noa_duration;
 597         struct ieee80211_vif *noa_vif;
 598 #endif
 599
 600         /* Tx queues */
 601         u8 aux_queue;
 602         u8 first_agg_queue;
 603         u8 last_agg_queue;
 604
 605         u8 bound_vif_cnt;
 606
 607         /* Indicate if device power save is allowed */
 608         bool ps_prevented;
 609 };
 610
 611 /* Extract MVM priv from op_mode and _hw */
 612 #define IWL_OP_MODE_GET_MVM(_iwl_op_mode)               \
 613         ((struct iwl_mvm *)(_iwl_op_mode)->op_mode_specific)
 614
 615 #define IWL_MAC80211_GET_MVM(_hw)                       \
 616         IWL_OP_MODE_GET_MVM((struct iwl_op_mode *)((_hw)->priv))
 617
 618 enum iwl_mvm_status {
 619         IWL_MVM_STATUS_HW_RFKILL,
 620         IWL_MVM_STATUS_HW_CTKILL,
 621         IWL_MVM_STATUS_ROC_RUNNING,
 622         IWL_MVM_STATUS_IN_HW_RESTART,
 623 };
 624
 625 static inline bool iwl_mvm_is_radio_killed(struct iwl_mvm *mvm)
 626 {
 627         return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status) ||
 628                test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
 629 }
 630
 631 static inline struct iwl_mvm_sta *
 632 iwl_mvm_sta_from_staid_protected(struct iwl_mvm *mvm, u8 sta_id)
 633 {
 634         struct ieee80211_sta *sta;
 635
 636         if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
 637                 return NULL;
 638
 639         sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id],
 640                                         lockdep_is_held(&mvm->mutex));
 641
 642         /* This can happen if the station has been removed right now */
 643         if (IS_ERR_OR_NULL(sta))
 644                 return NULL;
 645
 646         return iwl_mvm_sta_from_mac80211(sta);
 647 }
 648
 649 extern const u8 iwl_mvm_ac_to_tx_fifo[];
 650
 651 struct iwl_rate_info {
 652         u8 plcp;        /* uCode API:  IWL_RATE_6M_PLCP, etc. */
 653         u8 plcp_siso;   /* uCode API:  IWL_RATE_SISO_6M_PLCP, etc. */
 654         u8 plcp_mimo2;  /* uCode API:  IWL_RATE_MIMO2_6M_PLCP, etc. */
 655         u8 plcp_mimo3;  /* uCode API:  IWL_RATE_MIMO3_6M_PLCP, etc. */
 656         u8 ieee;        /* MAC header:  IWL_RATE_6M_IEEE, etc. */
 657 };
 658
 659 /******************
 660  * MVM Methods
 661  ******************/
 662 /* uCode */
 663 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm);
 664
 665 /* Utils */
 666 int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags,
 667                                         enum ieee80211_band band);
 668 void iwl_mvm_hwrate_to_tx_rate(u32 rate_n_flags,
 669                                enum ieee80211_band band,
 670                                struct ieee80211_tx_rate *r);
 671 u8 iwl_mvm_mac80211_idx_to_hwrate(int rate_idx);
 672 void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm);
 673 void iwl_mvm_dump_sram(struct iwl_mvm *mvm);
 674 u8 first_antenna(u8 mask);
 675 u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx);
 676
 677 /* Tx / Host Commands */
 678 int __must_check iwl_mvm_send_cmd(struct iwl_mvm *mvm,
 679                                   struct iwl_host_cmd *cmd);
 680 int __must_check iwl_mvm_send_cmd_pdu(struct iwl_mvm *mvm, u8 id,
 681                                       u32 flags, u16 len, const void *data);
 682 int __must_check iwl_mvm_send_cmd_status(struct iwl_mvm *mvm,
 683                                          struct iwl_host_cmd *cmd,
 684                                          u32 *status);
 685 int __must_check iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u8 id,
 686                                              u16 len, const void *data,
 687                                              u32 *status);
 688 int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb,
 689                    struct ieee80211_sta *sta);
 690 int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb);
 691 #ifdef CONFIG_IWLWIFI_DEBUG
 692 const char *iwl_mvm_get_tx_fail_reason(u32 status);
 693 #else
 694 static inline const char *iwl_mvm_get_tx_fail_reason(u32 status) { return ""; }
 695 #endif
 696 int iwl_mvm_flush_tx_path(struct iwl_mvm *mvm, u32 tfd_msk, bool sync);
 697 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm);
 698
 699 /* Statistics */
 700 int iwl_mvm_rx_reply_statistics(struct iwl_mvm *mvm,
 701                                 struct iwl_rx_cmd_buffer *rxb,
 702                                 struct iwl_device_cmd *cmd);
 703 int iwl_mvm_rx_statistics(struct iwl_mvm *mvm,
 704                           struct iwl_rx_cmd_buffer *rxb,
 705                           struct iwl_device_cmd *cmd);
 706
 707 /* NVM */
 708 int iwl_nvm_init(struct iwl_mvm *mvm);
 709 int iwl_mvm_load_nvm_to_nic(struct iwl_mvm *mvm);
 710
 711 int iwl_mvm_up(struct iwl_mvm *mvm);
 712 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm);
 713
 714 int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm);
 715 bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm,
 716                                     struct iwl_bcast_filter_cmd *cmd);
 717
 718 /*
 719  * FW notifications / CMD responses handlers
 720  * Convention: iwl_mvm_rx_<NAME OF THE CMD>
 721  */
 722 int iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 723                           struct iwl_device_cmd *cmd);
 724 int iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 725                        struct iwl_device_cmd *cmd);
 726 int iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 727                       struct iwl_device_cmd *cmd);
 728 int iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 729                         struct iwl_device_cmd *cmd);
 730 int iwl_mvm_rx_radio_ver(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 731                          struct iwl_device_cmd *cmd);
 732 int iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 733                           struct iwl_device_cmd *cmd);
 734 int iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
 735                                 struct iwl_rx_cmd_buffer *rxb,
 736                                 struct iwl_device_cmd *cmd);
 737 int iwl_mvm_rx_radio_ver(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 738                          struct iwl_device_cmd *cmd);
 739
 740 /* MVM PHY */
 741 int iwl_mvm_phy_ctxt_add(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
 742                          struct cfg80211_chan_def *chandef,
 743                          u8 chains_static, u8 chains_dynamic);
 744 int iwl_mvm_phy_ctxt_changed(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
 745                              struct cfg80211_chan_def *chandef,
 746                              u8 chains_static, u8 chains_dynamic);
 747 void iwl_mvm_phy_ctxt_ref(struct iwl_mvm *mvm,
 748                           struct iwl_mvm_phy_ctxt *ctxt);
 749 void iwl_mvm_phy_ctxt_unref(struct iwl_mvm *mvm,
 750                             struct iwl_mvm_phy_ctxt *ctxt);
 751
 752 /* MAC (virtual interface) programming */
 753 int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 754 void iwl_mvm_mac_ctxt_release(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 755 int iwl_mvm_mac_ctxt_add(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 756 int iwl_mvm_mac_ctxt_changed(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 757 int iwl_mvm_mac_ctxt_remove(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 758 u32 iwl_mvm_mac_get_queues_mask(struct iwl_mvm *mvm,
 759                                 struct ieee80211_vif *vif);
 760 int iwl_mvm_mac_ctxt_beacon_changed(struct iwl_mvm *mvm,
 761                                     struct ieee80211_vif *vif);
 762 int iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm,
 763                             struct iwl_rx_cmd_buffer *rxb,
 764                             struct iwl_device_cmd *cmd);
 765 int iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm,
 766                                     struct iwl_rx_cmd_buffer *rxb,
 767                                     struct iwl_device_cmd *cmd);
 768 void iwl_mvm_mac_ctxt_recalc_tsf_id(struct iwl_mvm *mvm,
 769                                     struct ieee80211_vif *vif);
 770
 771 /* Bindings */
 772 int iwl_mvm_binding_add_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 773 int iwl_mvm_binding_remove_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 774
 775 /* Quota management */
 776 int iwl_mvm_update_quotas(struct iwl_mvm *mvm, struct ieee80211_vif *newvif);
 777
 778 /* Scanning */
 779 int iwl_mvm_scan_request(struct iwl_mvm *mvm,
 780                          struct ieee80211_vif *vif,
 781                          struct cfg80211_scan_request *req);
 782 int iwl_mvm_rx_scan_response(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 783                              struct iwl_device_cmd *cmd);
 784 int iwl_mvm_rx_scan_complete(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 785                              struct iwl_device_cmd *cmd);
 786 void iwl_mvm_cancel_scan(struct iwl_mvm *mvm);
 787
 788 /* Scheduled scan */
 789 int iwl_mvm_rx_scan_offload_complete_notif(struct iwl_mvm *mvm,
 790                                            struct iwl_rx_cmd_buffer *rxb,
 791                                            struct iwl_device_cmd *cmd);
 792 int iwl_mvm_config_sched_scan(struct iwl_mvm *mvm,
 793                               struct ieee80211_vif *vif,
 794                               struct cfg80211_sched_scan_request *req,
 795                               struct ieee80211_sched_scan_ies *ies);
 796 int iwl_mvm_config_sched_scan_profiles(struct iwl_mvm *mvm,
 797                                        struct cfg80211_sched_scan_request *req);
 798 int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm,
 799                              struct cfg80211_sched_scan_request *req);
 800 void iwl_mvm_sched_scan_stop(struct iwl_mvm *mvm);
 801 int iwl_mvm_rx_sched_scan_results(struct iwl_mvm *mvm,
 802                                   struct iwl_rx_cmd_buffer *rxb,
 803                                   struct iwl_device_cmd *cmd);
 804
 805 /* MVM debugfs */
 806 #ifdef CONFIG_IWLWIFI_DEBUGFS
 807 int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir);
 808 void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 809 void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 810 #else
 811 static inline int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm,
 812                                          struct dentry *dbgfs_dir)
 813 {
 814         return 0;
 815 }
 816 static inline void
 817 iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
 818 {
 819 }
 820 static inline void
 821 iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
 822 {
 823 }
 824 #endif /* CONFIG_IWLWIFI_DEBUGFS */
 825
 826 /* rate scaling */
 827 int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool init);
 828
 829 /* power managment */
 830 static inline int iwl_mvm_power_update_mode(struct iwl_mvm *mvm,
 831                                             struct ieee80211_vif *vif)
 832 {
 833         return mvm->pm_ops->power_update_mode(mvm, vif);
 834 }
 835
 836 static inline int iwl_mvm_power_disable(struct iwl_mvm *mvm,
 837                                         struct ieee80211_vif *vif)
 838 {
 839         return mvm->pm_ops->power_disable(mvm, vif);
 840 }
 841
 842 static inline int iwl_mvm_power_update_device_mode(struct iwl_mvm *mvm)
 843 {
 844         if (mvm->pm_ops->power_update_device_mode)
 845                 return mvm->pm_ops->power_update_device_mode(mvm);
 846         return 0;
 847 }
 848
 849 static inline void iwl_mvm_power_update_binding(struct iwl_mvm *mvm,
 850                                                 struct ieee80211_vif *vif,
 851                                                 bool assign)
 852 {
 853         if (mvm->pm_ops->power_update_binding)
 854                 mvm->pm_ops->power_update_binding(mvm, vif, assign);
 855 }
 856
 857 void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 858 int iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm,
 859                                              struct iwl_rx_cmd_buffer *rxb,
 860                                              struct iwl_device_cmd *cmd);
 861
 862 #ifdef CONFIG_IWLWIFI_DEBUGFS
 863 static inline int iwl_mvm_power_dbgfs_read(struct iwl_mvm *mvm,
 864                                             struct ieee80211_vif *vif,
 865                                             char *buf, int bufsz)
 866 {
 867         return mvm->pm_ops->power_dbgfs_read(mvm, vif, buf, bufsz);
 868 }
 869 #endif
 870
 871 int iwl_mvm_leds_init(struct iwl_mvm *mvm);
 872 void iwl_mvm_leds_exit(struct iwl_mvm *mvm);
 873
 874 /* D3 (WoWLAN, NetDetect) */
 875 int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan);
 876 int iwl_mvm_resume(struct ieee80211_hw *hw);
 877 void iwl_mvm_set_wakeup(struct ieee80211_hw *hw, bool enabled);
 878 void iwl_mvm_set_rekey_data(struct ieee80211_hw *hw,
 879                             struct ieee80211_vif *vif,
 880                             struct cfg80211_gtk_rekey_data *data);
 881 void iwl_mvm_ipv6_addr_change(struct ieee80211_hw *hw,
 882                               struct ieee80211_vif *vif,
 883                               struct inet6_dev *idev);
 884 void iwl_mvm_set_default_unicast_key(struct ieee80211_hw *hw,
 885                                      struct ieee80211_vif *vif, int idx);
 886 extern const struct file_operations iwl_dbgfs_d3_test_ops;
 887 #ifdef CONFIG_PM_SLEEP
 888 void iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm,
 889                                  struct ieee80211_vif *vif);
 890 #else
 891 static inline void
 892 iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
 893 {
 894 }
 895 #endif
 896
 897 /* D0i3 */
 898 void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
 899 void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
 900
 901 /* BT Coex */
 902 int iwl_send_bt_prio_tbl(struct iwl_mvm *mvm);
 903 int iwl_send_bt_init_conf(struct iwl_mvm *mvm);
 904 int iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm,
 905                              struct iwl_rx_cmd_buffer *rxb,
 906                              struct iwl_device_cmd *cmd);
 907 void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 908                            enum ieee80211_rssi_event rssi_event);
 909 void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm);
 910 u16 iwl_mvm_bt_coex_agg_time_limit(struct iwl_mvm *mvm,
 911                                    struct ieee80211_sta *sta);
 912 bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm,
 913                                      struct ieee80211_sta *sta);
 914 int iwl_mvm_bt_coex_reduced_txp(struct iwl_mvm *mvm, u8 sta_id, bool enable);
 915
 916 enum iwl_bt_kill_msk {
 917         BT_KILL_MSK_DEFAULT,
 918         BT_KILL_MSK_SCO_HID_A2DP,
 919         BT_KILL_MSK_REDUCED_TXPOW,
 920         BT_KILL_MSK_MAX,
 921 };
 922 extern const u32 iwl_bt_ack_kill_msk[BT_KILL_MSK_MAX];
 923 extern const u32 iwl_bt_cts_kill_msk[BT_KILL_MSK_MAX];
 924
 925 /* beacon filtering */
 926 #ifdef CONFIG_IWLWIFI_DEBUGFS
 927 void
 928 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
 929                                          struct iwl_beacon_filter_cmd *cmd);
 930 #else
 931 static inline void
 932 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
 933                                          struct iwl_beacon_filter_cmd *cmd)
 934 {}
 935 #endif
 936 int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm,
 937                                    struct ieee80211_vif *vif,
 938                                    bool enable, u32 flags);
 939 int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
 940                                  struct ieee80211_vif *vif,
 941                                  u32 flags);
 942 int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
 943                                   struct ieee80211_vif *vif,
 944                                   u32 flags);
 945 int iwl_mvm_beacon_filter_send_cmd(struct iwl_mvm *mvm,
 946                                    struct iwl_beacon_filter_cmd *cmd,
 947                                    u32 flags);
 948 int iwl_mvm_update_beacon_abort(struct iwl_mvm *mvm,
 949                                 struct ieee80211_vif *vif, bool enable);
 950 int iwl_mvm_update_beacon_filter(struct iwl_mvm *mvm,
 951                                  struct ieee80211_vif *vif,
 952                                  bool force,
 953                                  u32 flags);
 954
 955 /* SMPS */
 956 void iwl_mvm_update_smps(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 957                                 enum iwl_mvm_smps_type_request req_type,
 958                                 enum ieee80211_smps_mode smps_request);
 959
 960 /* Low latency */
 961 int iwl_mvm_update_low_latency(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 962                                bool value);
 963 /* get VMACLowLatencyMode */
 964 static inline bool iwl_mvm_vif_low_latency(struct iwl_mvm_vif *mvmvif)
 965 {
 966         /*
 967          * should this consider associated/active/... state?
 968          *
 969          * Normally low-latency should only be active on interfaces
 970          * that are active, but at least with debugfs it can also be
 971          * enabled on interfaces that aren't active. However, when
 972          * interface aren't active then they aren't added into the
 973          * binding, so this has no real impact. For now, just return
 974          * the current desired low-latency state.
 975          */
 976
 977         return mvmvif->low_latency;
 978 }
 979
 980 /* Thermal management and CT-kill */
 981 void iwl_mvm_tt_tx_backoff(struct iwl_mvm *mvm, u32 backoff);
 982 void iwl_mvm_tt_handler(struct iwl_mvm *mvm);
 983 void iwl_mvm_tt_initialize(struct iwl_mvm *mvm, u32 min_backoff);
 984 void iwl_mvm_tt_exit(struct iwl_mvm *mvm);
 985 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state);
 986
 987 /* smart fifo */
 988 int iwl_mvm_sf_update(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 989                       bool added_vif);
 990
 991 #endif /* __IWL_MVM_H__ */