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 /**
 243 * struct iwl_mvm_vif_bf_data - beacon filtering related data
 244 * @bf_enabled: indicates if beacon filtering is enabled
 245 * @ba_enabled: indicated if beacon abort is enabled
 246 * @last_beacon_signal: last beacon rssi signal in dbm
 247 * @ave_beacon_signal: average beacon signal
 248 * @last_cqm_event: rssi of the last cqm event
 249 * @bt_coex_min_thold: minimum threshold for BT coex
 250 * @bt_coex_max_thold: maximum threshold for BT coex
 251 * @last_bt_coex_event: rssi of the last BT coex event
 252 */
 253 struct iwl_mvm_vif_bf_data {
 254         bool bf_enabled;
 255         bool ba_enabled;
 256         s8 ave_beacon_signal;
 257         s8 last_cqm_event;
 258         s8 bt_coex_min_thold;
 259         s8 bt_coex_max_thold;
 260         s8 last_bt_coex_event;
 261 };
 262
 263 /**
 264  * struct iwl_mvm_vif - data per Virtual Interface, it is a MAC context
 265  * @id: between 0 and 3
 266  * @color: to solve races upon MAC addition and removal
 267  * @ap_sta_id: the sta_id of the AP - valid only if VIF type is STA
 268  * @uploaded: indicates the MAC context has been added to the device
 269  * @ap_ibss_active: indicates that AP/IBSS is configured and that the interface
 270  *      should get quota etc.
 271  * @monitor_active: indicates that monitor context is configured, and that the
 272  *      interface should get quota etc.
 273  * @low_latency: indicates that this interface is in low-latency mode
 274  *      (VMACLowLatencyMode)
 275  * @queue_params: QoS params for this MAC
 276  * @bcast_sta: station used for broadcast packets. Used by the following
 277  *  vifs: P2P_DEVICE, GO and AP.
 278  * @beacon_skb: the skb used to hold the AP/GO beacon template
 279  * @smps_requests: the SMPS requests of differents parts of the driver,
 280  *      combined on update to yield the overall request to mac80211.
 281  */
 282 struct iwl_mvm_vif {
 283         u16 id;
 284         u16 color;
 285         u8 ap_sta_id;
 286
 287         bool uploaded;
 288         bool ap_ibss_active;
 289         bool monitor_active;
 290         bool low_latency;
 291         struct iwl_mvm_vif_bf_data bf_data;
 292
 293         u32 ap_beacon_time;
 294
 295         enum iwl_tsf_id tsf_id;
 296
 297         /*
 298          * QoS data from mac80211, need to store this here
 299          * as mac80211 has a separate callback but we need
 300          * to have the data for the MAC context
 301          */
 302         struct ieee80211_tx_queue_params queue_params[IEEE80211_NUM_ACS];
 303         struct iwl_mvm_time_event_data time_event_data;
 304
 305         struct iwl_mvm_int_sta bcast_sta;
 306
 307         /*
 308          * Assigned while mac80211 has the interface in a channel context,
 309          * or, for P2P Device, while it exists.
 310          */
 311         struct iwl_mvm_phy_ctxt *phy_ctxt;
 312
 313 #ifdef CONFIG_PM_SLEEP
 314         /* WoWLAN GTK rekey data */
 315         struct {
 316                 u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN];
 317                 __le64 replay_ctr;
 318                 bool valid;
 319         } rekey_data;
 320
 321         int tx_key_idx;
 322
 323         bool seqno_valid;
 324         u16 seqno;
 325
 326 #if IS_ENABLED(CONFIG_IPV6)
 327         /* IPv6 addresses for WoWLAN */
 328         struct in6_addr target_ipv6_addrs[IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_MAX];
 329         int num_target_ipv6_addrs;
 330 #endif
 331 #endif
 332
 333 #ifdef CONFIG_IWLWIFI_DEBUGFS
 334         struct iwl_mvm *mvm;
 335         struct dentry *dbgfs_dir;
 336         struct dentry *dbgfs_slink;
 337         struct iwl_dbgfs_pm dbgfs_pm;
 338         struct iwl_dbgfs_bf dbgfs_bf;
 339 #endif
 340
 341         enum ieee80211_smps_mode smps_requests[NUM_IWL_MVM_SMPS_REQ];
 342
 343         /* FW identified misbehaving AP */
 344         u8 uapsd_misbehaving_bssid[ETH_ALEN];
 345
 346         bool pm_prevented;
 347 };
 348
 349 static inline struct iwl_mvm_vif *
 350 iwl_mvm_vif_from_mac80211(struct ieee80211_vif *vif)
 351 {
 352         return (void *)vif->drv_priv;
 353 }
 354
 355 enum iwl_scan_status {
 356         IWL_MVM_SCAN_NONE,
 357         IWL_MVM_SCAN_OS,
 358         IWL_MVM_SCAN_SCHED,
 359 };
 360
 361 /**
 362  * struct iwl_nvm_section - describes an NVM section in memory.
 363  *
 364  * This struct holds an NVM section read from the NIC using NVM_ACCESS_CMD,
 365  * and saved for later use by the driver. Not all NVM sections are saved
 366  * this way, only the needed ones.
 367  */
 368 struct iwl_nvm_section {
 369         u16 length;
 370         const u8 *data;
 371 };
 372
 373 /*
 374  * Tx-backoff threshold
 375  * @temperature: The threshold in Celsius
 376  * @backoff: The tx-backoff in uSec
 377  */
 378 struct iwl_tt_tx_backoff {
 379         s32 temperature;
 380         u32 backoff;
 381 };
 382
 383 #define TT_TX_BACKOFF_SIZE 6
 384
 385 /**
 386  * struct iwl_tt_params - thermal throttling parameters
 387  * @ct_kill_entry: CT Kill entry threshold
 388  * @ct_kill_exit: CT Kill exit threshold
 389  * @ct_kill_duration: The time  intervals (in uSec) in which the driver needs
 390  *      to checks whether to exit CT Kill.
 391  * @dynamic_smps_entry: Dynamic SMPS entry threshold
 392  * @dynamic_smps_exit: Dynamic SMPS exit threshold
 393  * @tx_protection_entry: TX protection entry threshold
 394  * @tx_protection_exit: TX protection exit threshold
 395  * @tx_backoff: Array of thresholds for tx-backoff , in ascending order.
 396  * @support_ct_kill: Support CT Kill?
 397  * @support_dynamic_smps: Support dynamic SMPS?
 398  * @support_tx_protection: Support tx protection?
 399  * @support_tx_backoff: Support tx-backoff?
 400  */
 401 struct iwl_tt_params {
 402         s32 ct_kill_entry;
 403         s32 ct_kill_exit;
 404         u32 ct_kill_duration;
 405         s32 dynamic_smps_entry;
 406         s32 dynamic_smps_exit;
 407         s32 tx_protection_entry;
 408         s32 tx_protection_exit;
 409         struct iwl_tt_tx_backoff tx_backoff[TT_TX_BACKOFF_SIZE];
 410         bool support_ct_kill;
 411         bool support_dynamic_smps;
 412         bool support_tx_protection;
 413         bool support_tx_backoff;
 414 };
 415
 416 /**
 417  * struct iwl_mvm_tt_mgnt - Thermal Throttling Management structure
 418  * @ct_kill_exit: worker to exit thermal kill
 419  * @dynamic_smps: Is thermal throttling enabled dynamic_smps?
 420  * @tx_backoff: The current thremal throttling tx backoff in uSec.
 421  * @params: Parameters to configure the thermal throttling algorithm.
 422  * @throttle: Is thermal throttling is active?
 423  */
 424 struct iwl_mvm_tt_mgmt {
 425         struct delayed_work ct_kill_exit;
 426         bool dynamic_smps;
 427         u32 tx_backoff;
 428         const struct iwl_tt_params *params;
 429         bool throttle;
 430 };
 431
 432 struct iwl_mvm {
 433         /* for logger access */
 434         struct device *dev;
 435
 436         struct iwl_trans *trans;
 437         const struct iwl_fw *fw;
 438         const struct iwl_cfg *cfg;
 439         struct iwl_phy_db *phy_db;
 440         struct ieee80211_hw *hw;
 441
 442         /* for protecting access to iwl_mvm */
 443         struct mutex mutex;
 444         struct list_head async_handlers_list;
 445         spinlock_t async_handlers_lock;
 446         struct work_struct async_handlers_wk;
 447
 448         struct work_struct roc_done_wk;
 449
 450         unsigned long status;
 451
 452         /*
 453          * for beacon filtering -
 454          * currently only one interface can be supported
 455          */
 456         struct iwl_mvm_vif *bf_allowed_vif;
 457
 458         enum iwl_ucode_type cur_ucode;
 459         bool ucode_loaded;
 460         bool init_ucode_complete;
 461         u32 error_event_table;
 462         u32 log_event_table;
 463
 464         u32 ampdu_ref;
 465
 466         struct iwl_notif_wait_data notif_wait;
 467
 468         struct mvm_statistics_rx rx_stats;
 469
 470         unsigned long transport_queue_stop;
 471         u8 queue_to_mac80211[IWL_MAX_HW_QUEUES];
 472         atomic_t queue_stop_count[IWL_MAX_HW_QUEUES];
 473
 474         struct iwl_nvm_data *nvm_data;
 475         /* NVM sections */
 476         struct iwl_nvm_section nvm_sections[NVM_MAX_NUM_SECTIONS];
 477
 478         /* EEPROM MAC addresses */
 479         struct mac_address addresses[IWL_MVM_MAX_ADDRESSES];
 480
 481         /* data related to data path */
 482         struct iwl_rx_phy_info last_phy_info;
 483         struct ieee80211_sta __rcu *fw_id_to_mac_id[IWL_MVM_STATION_COUNT];
 484         struct work_struct sta_drained_wk;
 485         unsigned long sta_drained[BITS_TO_LONGS(IWL_MVM_STATION_COUNT)];
 486         atomic_t pending_frames[IWL_MVM_STATION_COUNT];
 487         u8 rx_ba_sessions;
 488
 489         /* configured by mac80211 */
 490         u32 rts_threshold;
 491
 492         /* Scan status, cmd (pre-allocated) and auxiliary station */
 493         enum iwl_scan_status scan_status;
 494         struct iwl_scan_cmd *scan_cmd;
 495         struct iwl_mcast_filter_cmd *mcast_filter_cmd;
 496
 497         /* rx chain antennas set through debugfs for the scan command */
 498         u8 scan_rx_ant;
 499
 500 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
 501         /* broadcast filters to configure for each associated station */
 502         const struct iwl_fw_bcast_filter *bcast_filters;
 503 #ifdef CONFIG_IWLWIFI_DEBUGFS
 504         struct {
 505                 u32 override; /* u32 for debugfs_create_bool */
 506                 struct iwl_bcast_filter_cmd cmd;
 507         } dbgfs_bcast_filtering;
 508 #endif
 509 #endif
 510
 511         /* Internal station */
 512         struct iwl_mvm_int_sta aux_sta;
 513
 514         u8 scan_last_antenna_idx; /* to toggle TX between antennas */
 515         u8 mgmt_last_antenna_idx;
 516
 517         /* last smart fifo state that was successfully sent to firmware */
 518         enum iwl_sf_state sf_state;
 519
 520 #ifdef CONFIG_IWLWIFI_DEBUGFS
 521         struct dentry *debugfs_dir;
 522         u32 dbgfs_sram_offset, dbgfs_sram_len;
 523         bool disable_power_off;
 524         bool disable_power_off_d3;
 525
 526         struct debugfs_blob_wrapper nvm_hw_blob;
 527         struct debugfs_blob_wrapper nvm_sw_blob;
 528         struct debugfs_blob_wrapper nvm_calib_blob;
 529         struct debugfs_blob_wrapper nvm_prod_blob;
 530 #endif
 531
 532         struct iwl_mvm_phy_ctxt phy_ctxts[NUM_PHY_CTX];
 533
 534         struct list_head time_event_list;
 535         spinlock_t time_event_lock;
 536
 537         /*
 538          * A bitmap indicating the index of the key in use. The firmware
 539          * can hold 16 keys at most. Reflect this fact.
 540          */
 541         unsigned long fw_key_table[BITS_TO_LONGS(STA_KEY_MAX_NUM)];
 542
 543         u8 vif_count;
 544
 545         /* -1 for always, 0 for never, >0 for that many times */
 546         s8 restart_fw;
 547
 548         struct led_classdev led;
 549
 550         struct ieee80211_vif *p2p_device_vif;
 551
 552 #ifdef CONFIG_PM_SLEEP
 553         struct wiphy_wowlan_support wowlan;
 554         int gtk_ivlen, gtk_icvlen, ptk_ivlen, ptk_icvlen;
 555 #ifdef CONFIG_IWLWIFI_DEBUGFS
 556         u32 d3_wake_sysassert; /* must be u32 for debugfs_create_bool */
 557         bool d3_test_active;
 558         bool store_d3_resume_sram;
 559         void *d3_resume_sram;
 560         u32 d3_test_pme_ptr;
 561         struct ieee80211_vif *keep_vif;
 562 #endif
 563 #endif
 564
 565         /* BT-Coex */
 566         u8 bt_kill_msk;
 567         struct iwl_bt_coex_profile_notif last_bt_notif;
 568         struct iwl_bt_coex_ci_cmd last_bt_ci_cmd;
 569
 570         /* Thermal Throttling and CTkill */
 571         struct iwl_mvm_tt_mgmt thermal_throttle;
 572         s32 temperature;        /* Celsius */
 573
 574         const struct iwl_mvm_power_ops *pm_ops;
 575
 576 #ifdef CONFIG_NL80211_TESTMODE
 577         u32 noa_duration;
 578         struct ieee80211_vif *noa_vif;
 579 #endif
 580
 581         /* Tx queues */
 582         u8 aux_queue;
 583         u8 first_agg_queue;
 584         u8 last_agg_queue;
 585
 586         u8 bound_vif_cnt;
 587
 588         /* Indicate if device power save is allowed */
 589         bool ps_prevented;
 590 };
 591
 592 /* Extract MVM priv from op_mode and _hw */
 593 #define IWL_OP_MODE_GET_MVM(_iwl_op_mode)               \
 594         ((struct iwl_mvm *)(_iwl_op_mode)->op_mode_specific)
 595
 596 #define IWL_MAC80211_GET_MVM(_hw)                       \
 597         IWL_OP_MODE_GET_MVM((struct iwl_op_mode *)((_hw)->priv))
 598
 599 enum iwl_mvm_status {
 600         IWL_MVM_STATUS_HW_RFKILL,
 601         IWL_MVM_STATUS_HW_CTKILL,
 602         IWL_MVM_STATUS_ROC_RUNNING,
 603         IWL_MVM_STATUS_IN_HW_RESTART,
 604 };
 605
 606 static inline bool iwl_mvm_is_radio_killed(struct iwl_mvm *mvm)
 607 {
 608         return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status) ||
 609                test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
 610 }
 611
 612 static inline struct iwl_mvm_sta *
 613 iwl_mvm_sta_from_staid_protected(struct iwl_mvm *mvm, u8 sta_id)
 614 {
 615         struct ieee80211_sta *sta;
 616
 617         if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
 618                 return NULL;
 619
 620         sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id],
 621                                         lockdep_is_held(&mvm->mutex));
 622
 623         /* This can happen if the station has been removed right now */
 624         if (IS_ERR_OR_NULL(sta))
 625                 return NULL;
 626
 627         return iwl_mvm_sta_from_mac80211(sta);
 628 }
 629
 630 extern const u8 iwl_mvm_ac_to_tx_fifo[];
 631
 632 struct iwl_rate_info {
 633         u8 plcp;        /* uCode API:  IWL_RATE_6M_PLCP, etc. */
 634         u8 plcp_siso;   /* uCode API:  IWL_RATE_SISO_6M_PLCP, etc. */
 635         u8 plcp_mimo2;  /* uCode API:  IWL_RATE_MIMO2_6M_PLCP, etc. */
 636         u8 plcp_mimo3;  /* uCode API:  IWL_RATE_MIMO3_6M_PLCP, etc. */
 637         u8 ieee;        /* MAC header:  IWL_RATE_6M_IEEE, etc. */
 638 };
 639
 640 /******************
 641  * MVM Methods
 642  ******************/
 643 /* uCode */
 644 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm);
 645
 646 /* Utils */
 647 int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags,
 648                                         enum ieee80211_band band);
 649 void iwl_mvm_hwrate_to_tx_rate(u32 rate_n_flags,
 650                                enum ieee80211_band band,
 651                                struct ieee80211_tx_rate *r);
 652 u8 iwl_mvm_mac80211_idx_to_hwrate(int rate_idx);
 653 void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm);
 654 void iwl_mvm_dump_sram(struct iwl_mvm *mvm);
 655 u8 first_antenna(u8 mask);
 656 u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx);
 657
 658 /* Tx / Host Commands */
 659 int __must_check iwl_mvm_send_cmd(struct iwl_mvm *mvm,
 660                                   struct iwl_host_cmd *cmd);
 661 int __must_check iwl_mvm_send_cmd_pdu(struct iwl_mvm *mvm, u8 id,
 662                                       u32 flags, u16 len, const void *data);
 663 int __must_check iwl_mvm_send_cmd_status(struct iwl_mvm *mvm,
 664                                          struct iwl_host_cmd *cmd,
 665                                          u32 *status);
 666 int __must_check iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u8 id,
 667                                              u16 len, const void *data,
 668                                              u32 *status);
 669 int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb,
 670                    struct ieee80211_sta *sta);
 671 int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb);
 672 #ifdef CONFIG_IWLWIFI_DEBUG
 673 const char *iwl_mvm_get_tx_fail_reason(u32 status);
 674 #else
 675 static inline const char *iwl_mvm_get_tx_fail_reason(u32 status) { return ""; }
 676 #endif
 677 int iwl_mvm_flush_tx_path(struct iwl_mvm *mvm, u32 tfd_msk, bool sync);
 678 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm);
 679
 680 /* Statistics */
 681 int iwl_mvm_rx_reply_statistics(struct iwl_mvm *mvm,
 682                                 struct iwl_rx_cmd_buffer *rxb,
 683                                 struct iwl_device_cmd *cmd);
 684 int iwl_mvm_rx_statistics(struct iwl_mvm *mvm,
 685                           struct iwl_rx_cmd_buffer *rxb,
 686                           struct iwl_device_cmd *cmd);
 687
 688 /* NVM */
 689 int iwl_nvm_init(struct iwl_mvm *mvm);
 690 int iwl_mvm_load_nvm_to_nic(struct iwl_mvm *mvm);
 691
 692 int iwl_mvm_up(struct iwl_mvm *mvm);
 693 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm);
 694
 695 int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm);
 696 bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm,
 697                                     struct iwl_bcast_filter_cmd *cmd);
 698
 699 /*
 700  * FW notifications / CMD responses handlers
 701  * Convention: iwl_mvm_rx_<NAME OF THE CMD>
 702  */
 703 int iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 704                           struct iwl_device_cmd *cmd);
 705 int iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 706                        struct iwl_device_cmd *cmd);
 707 int iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 708                       struct iwl_device_cmd *cmd);
 709 int iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 710                         struct iwl_device_cmd *cmd);
 711 int iwl_mvm_rx_radio_ver(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 712                          struct iwl_device_cmd *cmd);
 713 int iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 714                           struct iwl_device_cmd *cmd);
 715 int iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
 716                                 struct iwl_rx_cmd_buffer *rxb,
 717                                 struct iwl_device_cmd *cmd);
 718 int iwl_mvm_rx_radio_ver(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 719                          struct iwl_device_cmd *cmd);
 720
 721 /* MVM PHY */
 722 int iwl_mvm_phy_ctxt_add(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
 723                          struct cfg80211_chan_def *chandef,
 724                          u8 chains_static, u8 chains_dynamic);
 725 int iwl_mvm_phy_ctxt_changed(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
 726                              struct cfg80211_chan_def *chandef,
 727                              u8 chains_static, u8 chains_dynamic);
 728 void iwl_mvm_phy_ctxt_ref(struct iwl_mvm *mvm,
 729                           struct iwl_mvm_phy_ctxt *ctxt);
 730 void iwl_mvm_phy_ctxt_unref(struct iwl_mvm *mvm,
 731                             struct iwl_mvm_phy_ctxt *ctxt);
 732
 733 /* MAC (virtual interface) programming */
 734 int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 735 void iwl_mvm_mac_ctxt_release(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 736 int iwl_mvm_mac_ctxt_add(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 737 int iwl_mvm_mac_ctxt_changed(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 738 int iwl_mvm_mac_ctxt_remove(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 739 u32 iwl_mvm_mac_get_queues_mask(struct iwl_mvm *mvm,
 740                                 struct ieee80211_vif *vif);
 741 int iwl_mvm_mac_ctxt_beacon_changed(struct iwl_mvm *mvm,
 742                                     struct ieee80211_vif *vif);
 743 int iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm,
 744                             struct iwl_rx_cmd_buffer *rxb,
 745                             struct iwl_device_cmd *cmd);
 746 int iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm,
 747                                     struct iwl_rx_cmd_buffer *rxb,
 748                                     struct iwl_device_cmd *cmd);
 749 void iwl_mvm_mac_ctxt_recalc_tsf_id(struct iwl_mvm *mvm,
 750                                     struct ieee80211_vif *vif);
 751
 752 /* Bindings */
 753 int iwl_mvm_binding_add_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 754 int iwl_mvm_binding_remove_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 755
 756 /* Quota management */
 757 int iwl_mvm_update_quotas(struct iwl_mvm *mvm, struct ieee80211_vif *newvif);
 758
 759 /* Scanning */
 760 int iwl_mvm_scan_request(struct iwl_mvm *mvm,
 761                          struct ieee80211_vif *vif,
 762                          struct cfg80211_scan_request *req);
 763 int iwl_mvm_rx_scan_response(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 764                              struct iwl_device_cmd *cmd);
 765 int iwl_mvm_rx_scan_complete(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 766                              struct iwl_device_cmd *cmd);
 767 void iwl_mvm_cancel_scan(struct iwl_mvm *mvm);
 768
 769 /* Scheduled scan */
 770 int iwl_mvm_rx_scan_offload_complete_notif(struct iwl_mvm *mvm,
 771                                            struct iwl_rx_cmd_buffer *rxb,
 772                                            struct iwl_device_cmd *cmd);
 773 int iwl_mvm_config_sched_scan(struct iwl_mvm *mvm,
 774                               struct ieee80211_vif *vif,
 775                               struct cfg80211_sched_scan_request *req,
 776                               struct ieee80211_sched_scan_ies *ies);
 777 int iwl_mvm_config_sched_scan_profiles(struct iwl_mvm *mvm,
 778                                        struct cfg80211_sched_scan_request *req);
 779 int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm,
 780                              struct cfg80211_sched_scan_request *req);
 781 void iwl_mvm_sched_scan_stop(struct iwl_mvm *mvm);
 782 int iwl_mvm_rx_sched_scan_results(struct iwl_mvm *mvm,
 783                                   struct iwl_rx_cmd_buffer *rxb,
 784                                   struct iwl_device_cmd *cmd);
 785
 786 /* MVM debugfs */
 787 #ifdef CONFIG_IWLWIFI_DEBUGFS
 788 int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir);
 789 void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 790 void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 791 #else
 792 static inline int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm,
 793                                          struct dentry *dbgfs_dir)
 794 {
 795         return 0;
 796 }
 797 static inline void
 798 iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
 799 {
 800 }
 801 static inline void
 802 iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
 803 {
 804 }
 805 #endif /* CONFIG_IWLWIFI_DEBUGFS */
 806
 807 /* rate scaling */
 808 int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool init);
 809
 810 /* power managment */
 811 static inline int iwl_mvm_power_update_mode(struct iwl_mvm *mvm,
 812                                             struct ieee80211_vif *vif)
 813 {
 814         return mvm->pm_ops->power_update_mode(mvm, vif);
 815 }
 816
 817 static inline int iwl_mvm_power_disable(struct iwl_mvm *mvm,
 818                                         struct ieee80211_vif *vif)
 819 {
 820         return mvm->pm_ops->power_disable(mvm, vif);
 821 }
 822
 823 static inline int iwl_mvm_power_update_device_mode(struct iwl_mvm *mvm)
 824 {
 825         if (mvm->pm_ops->power_update_device_mode)
 826                 return mvm->pm_ops->power_update_device_mode(mvm);
 827         return 0;
 828 }
 829
 830 static inline void iwl_mvm_power_update_binding(struct iwl_mvm *mvm,
 831                                                 struct ieee80211_vif *vif,
 832                                                 bool assign)
 833 {
 834         if (mvm->pm_ops->power_update_binding)
 835                 mvm->pm_ops->power_update_binding(mvm, vif, assign);
 836 }
 837
 838 void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 839 int iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm,
 840                                              struct iwl_rx_cmd_buffer *rxb,
 841                                              struct iwl_device_cmd *cmd);
 842
 843 #ifdef CONFIG_IWLWIFI_DEBUGFS
 844 static inline int iwl_mvm_power_dbgfs_read(struct iwl_mvm *mvm,
 845                                             struct ieee80211_vif *vif,
 846                                             char *buf, int bufsz)
 847 {
 848         return mvm->pm_ops->power_dbgfs_read(mvm, vif, buf, bufsz);
 849 }
 850 #endif
 851
 852 int iwl_mvm_leds_init(struct iwl_mvm *mvm);
 853 void iwl_mvm_leds_exit(struct iwl_mvm *mvm);
 854
 855 /* D3 (WoWLAN, NetDetect) */
 856 int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan);
 857 int iwl_mvm_resume(struct ieee80211_hw *hw);
 858 void iwl_mvm_set_wakeup(struct ieee80211_hw *hw, bool enabled);
 859 void iwl_mvm_set_rekey_data(struct ieee80211_hw *hw,
 860                             struct ieee80211_vif *vif,
 861                             struct cfg80211_gtk_rekey_data *data);
 862 void iwl_mvm_ipv6_addr_change(struct ieee80211_hw *hw,
 863                               struct ieee80211_vif *vif,
 864                               struct inet6_dev *idev);
 865 void iwl_mvm_set_default_unicast_key(struct ieee80211_hw *hw,
 866                                      struct ieee80211_vif *vif, int idx);
 867 extern const struct file_operations iwl_dbgfs_d3_test_ops;
 868 #ifdef CONFIG_PM_SLEEP
 869 void iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm,
 870                                  struct ieee80211_vif *vif);
 871 #else
 872 static inline void
 873 iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
 874 {
 875 }
 876 #endif
 877
 878 /* BT Coex */
 879 int iwl_send_bt_prio_tbl(struct iwl_mvm *mvm);
 880 int iwl_send_bt_init_conf(struct iwl_mvm *mvm);
 881 int iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm,
 882                              struct iwl_rx_cmd_buffer *rxb,
 883                              struct iwl_device_cmd *cmd);
 884 void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 885                            enum ieee80211_rssi_event rssi_event);
 886 void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm);
 887 u16 iwl_mvm_bt_coex_agg_time_limit(struct iwl_mvm *mvm,
 888                                    struct ieee80211_sta *sta);
 889 bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm,
 890                                      struct ieee80211_sta *sta);
 891
 892 enum iwl_bt_kill_msk {
 893         BT_KILL_MSK_DEFAULT,
 894         BT_KILL_MSK_SCO_HID_A2DP,
 895         BT_KILL_MSK_REDUCED_TXPOW,
 896         BT_KILL_MSK_MAX,
 897 };
 898 extern const u32 iwl_bt_ack_kill_msk[BT_KILL_MSK_MAX];
 899 extern const u32 iwl_bt_cts_kill_msk[BT_KILL_MSK_MAX];
 900
 901 /* beacon filtering */
 902 #ifdef CONFIG_IWLWIFI_DEBUGFS
 903 void
 904 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
 905                                          struct iwl_beacon_filter_cmd *cmd);
 906 #else
 907 static inline void
 908 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
 909                                          struct iwl_beacon_filter_cmd *cmd)
 910 {}
 911 #endif
 912 int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
 913                                  struct ieee80211_vif *vif);
 914 int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
 915                                   struct ieee80211_vif *vif);
 916 int iwl_mvm_beacon_filter_send_cmd(struct iwl_mvm *mvm,
 917                                    struct iwl_beacon_filter_cmd *cmd);
 918 int iwl_mvm_update_beacon_abort(struct iwl_mvm *mvm,
 919                                 struct ieee80211_vif *vif, bool enable);
 920 int iwl_mvm_update_beacon_filter(struct iwl_mvm *mvm,
 921                                   struct ieee80211_vif *vif);
 922
 923 /* SMPS */
 924 void iwl_mvm_update_smps(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 925                                 enum iwl_mvm_smps_type_request req_type,
 926                                 enum ieee80211_smps_mode smps_request);
 927
 928 /* Low latency */
 929 int iwl_mvm_update_low_latency(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 930                                bool value);
 931 /* get VMACLowLatencyMode */
 932 static inline bool iwl_mvm_vif_low_latency(struct iwl_mvm_vif *mvmvif)
 933 {
 934         /*
 935          * should this consider associated/active/... state?
 936          *
 937          * Normally low-latency should only be active on interfaces
 938          * that are active, but at least with debugfs it can also be
 939          * enabled on interfaces that aren't active. However, when
 940          * interface aren't active then they aren't added into the
 941          * binding, so this has no real impact. For now, just return
 942          * the current desired low-latency state.
 943          */
 944
 945         return mvmvif->low_latency;
 946 }
 947
 948 /* Thermal management and CT-kill */
 949 void iwl_mvm_tt_handler(struct iwl_mvm *mvm);
 950 void iwl_mvm_tt_initialize(struct iwl_mvm *mvm);
 951 void iwl_mvm_tt_exit(struct iwl_mvm *mvm);
 952 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state);
 953
 954 /* smart fifo */
 955 int iwl_mvm_sf_update(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 956                       bool added_vif);
 957
 958 #endif /* __IWL_MVM_H__ */