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 const struct ieee80211_ops iwl_mvm_hw_ops;
  95
  96 /**
  97  * struct iwl_mvm_mod_params - module parameters for iwlmvm
  98  * @init_dbg: if true, then the NIC won't be stopped if the INIT fw asserted.
  99  *      We will register to mac80211 to have testmode working. The NIC must not
 100  *      be up'ed after the INIT fw asserted. This is useful to be able to use
 101  *      proprietary tools over testmode to debug the INIT fw.
 102  * @power_scheme: CAM(Continuous Active Mode)-1, BPS(Balanced Power
 103  *      Save)-2(default), LP(Low Power)-3
 104  */
 105 struct iwl_mvm_mod_params {
 106         bool init_dbg;
 107         int power_scheme;
 108 };
 109 extern struct iwl_mvm_mod_params iwlmvm_mod_params;
 110
 111 struct iwl_mvm_phy_ctxt {
 112         u16 id;
 113         u16 color;
 114         u32 ref;
 115
 116         /*
 117          * TODO: This should probably be removed. Currently here only for rate
 118          * scaling algorithm
 119          */
 120         struct ieee80211_channel *channel;
 121 };
 122
 123 struct iwl_mvm_time_event_data {
 124         struct ieee80211_vif *vif;
 125         struct list_head list;
 126         unsigned long end_jiffies;
 127         u32 duration;
 128         bool running;
 129         u32 uid;
 130
 131         /*
 132          * The access to the 'id' field must be done when the
 133          * mvm->time_event_lock is held, as it value is used to indicate
 134          * if the te is in the time event list or not (when id == TE_MAX)
 135          */
 136         u32 id;
 137 };
 138
 139  /* Power management */
 140
 141 /**
 142  * enum iwl_power_scheme
 143  * @IWL_POWER_LEVEL_CAM - Continuously Active Mode
 144  * @IWL_POWER_LEVEL_BPS - Balanced Power Save (default)
 145  * @IWL_POWER_LEVEL_LP  - Low Power
 146  */
 147 enum iwl_power_scheme {
 148         IWL_POWER_SCHEME_CAM = 1,
 149         IWL_POWER_SCHEME_BPS,
 150         IWL_POWER_SCHEME_LP
 151 };
 152
 153 #define IWL_CONN_MAX_LISTEN_INTERVAL    10
 154 #define IWL_UAPSD_AC_INFO               (IEEE80211_WMM_IE_STA_QOSINFO_AC_VO |\
 155                                          IEEE80211_WMM_IE_STA_QOSINFO_AC_VI |\
 156                                          IEEE80211_WMM_IE_STA_QOSINFO_AC_BK |\
 157                                          IEEE80211_WMM_IE_STA_QOSINFO_AC_BE)
 158 #define IWL_UAPSD_MAX_SP                IEEE80211_WMM_IE_STA_QOSINFO_SP_2
 159
 160 #ifdef CONFIG_IWLWIFI_DEBUGFS
 161 enum iwl_dbgfs_pm_mask {
 162         MVM_DEBUGFS_PM_KEEP_ALIVE = BIT(0),
 163         MVM_DEBUGFS_PM_SKIP_OVER_DTIM = BIT(1),
 164         MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS = BIT(2),
 165         MVM_DEBUGFS_PM_RX_DATA_TIMEOUT = BIT(3),
 166         MVM_DEBUGFS_PM_TX_DATA_TIMEOUT = BIT(4),
 167         MVM_DEBUGFS_PM_DISABLE_POWER_OFF = BIT(5),
 168         MVM_DEBUGFS_PM_LPRX_ENA = BIT(6),
 169         MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD = BIT(7),
 170         MVM_DEBUGFS_PM_SNOOZE_ENABLE = BIT(8),
 171         MVM_DEBUGFS_PM_UAPSD_MISBEHAVING = BIT(9),
 172 };
 173
 174 struct iwl_dbgfs_pm {
 175         u16 keep_alive_seconds;
 176         u32 rx_data_timeout;
 177         u32 tx_data_timeout;
 178         bool skip_over_dtim;
 179         u8 skip_dtim_periods;
 180         bool disable_power_off;
 181         bool lprx_ena;
 182         u32 lprx_rssi_threshold;
 183         bool snooze_ena;
 184         bool uapsd_misbehaving;
 185         int mask;
 186 };
 187
 188 /* beacon filtering */
 189
 190 enum iwl_dbgfs_bf_mask {
 191         MVM_DEBUGFS_BF_ENERGY_DELTA = BIT(0),
 192         MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA = BIT(1),
 193         MVM_DEBUGFS_BF_ROAMING_STATE = BIT(2),
 194         MVM_DEBUGFS_BF_TEMP_THRESHOLD = BIT(3),
 195         MVM_DEBUGFS_BF_TEMP_FAST_FILTER = BIT(4),
 196         MVM_DEBUGFS_BF_TEMP_SLOW_FILTER = BIT(5),
 197         MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER = BIT(6),
 198         MVM_DEBUGFS_BF_DEBUG_FLAG = BIT(7),
 199         MVM_DEBUGFS_BF_ESCAPE_TIMER = BIT(8),
 200         MVM_DEBUGFS_BA_ESCAPE_TIMER = BIT(9),
 201         MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT = BIT(10),
 202 };
 203
 204 struct iwl_dbgfs_bf {
 205         u32 bf_energy_delta;
 206         u32 bf_roaming_energy_delta;
 207         u32 bf_roaming_state;
 208         u32 bf_temp_threshold;
 209         u32 bf_temp_fast_filter;
 210         u32 bf_temp_slow_filter;
 211         u32 bf_enable_beacon_filter;
 212         u32 bf_debug_flag;
 213         u32 bf_escape_timer;
 214         u32 ba_escape_timer;
 215         u32 ba_enable_beacon_abort;
 216         int mask;
 217 };
 218 #endif
 219
 220 enum iwl_mvm_smps_type_request {
 221         IWL_MVM_SMPS_REQ_BT_COEX,
 222         IWL_MVM_SMPS_REQ_TT,
 223         NUM_IWL_MVM_SMPS_REQ,
 224 };
 225
 226 enum iwl_mvm_ref_type {
 227         IWL_MVM_REF_UCODE_DOWN,
 228         IWL_MVM_REF_SCAN,
 229         IWL_MVM_REF_ROC,
 230         IWL_MVM_REF_P2P_CLIENT,
 231         IWL_MVM_REF_AP_IBSS,
 232         IWL_MVM_REF_USER,
 233         IWL_MVM_REF_TX,
 234         IWL_MVM_REF_TX_AGG,
 235
 236         IWL_MVM_REF_COUNT,
 237 };
 238
 239 /**
 240 * struct iwl_mvm_vif_bf_data - beacon filtering related data
 241 * @bf_enabled: indicates if beacon filtering is enabled
 242 * @ba_enabled: indicated if beacon abort is enabled
 243 * @last_beacon_signal: last beacon rssi signal in dbm
 244 * @ave_beacon_signal: average beacon signal
 245 * @last_cqm_event: rssi of the last cqm event
 246 * @bt_coex_min_thold: minimum threshold for BT coex
 247 * @bt_coex_max_thold: maximum threshold for BT coex
 248 * @last_bt_coex_event: rssi of the last BT coex event
 249 */
 250 struct iwl_mvm_vif_bf_data {
 251         bool bf_enabled;
 252         bool ba_enabled;
 253         s8 ave_beacon_signal;
 254         s8 last_cqm_event;
 255         s8 bt_coex_min_thold;
 256         s8 bt_coex_max_thold;
 257         s8 last_bt_coex_event;
 258 };
 259
 260 /**
 261  * struct iwl_mvm_vif - data per Virtual Interface, it is a MAC context
 262  * @id: between 0 and 3
 263  * @color: to solve races upon MAC addition and removal
 264  * @ap_sta_id: the sta_id of the AP - valid only if VIF type is STA
 265  * @uploaded: indicates the MAC context has been added to the device
 266  * @ap_ibss_active: indicates that AP/IBSS is configured and that the interface
 267  *      should get quota etc.
 268  * @monitor_active: indicates that monitor context is configured, and that the
 269  *      interface should get quota etc.
 270  * @low_latency: indicates that this interface is in low-latency mode
 271  *      (VMACLowLatencyMode)
 272  * @queue_params: QoS params for this MAC
 273  * @bcast_sta: station used for broadcast packets. Used by the following
 274  *  vifs: P2P_DEVICE, GO and AP.
 275  * @beacon_skb: the skb used to hold the AP/GO beacon template
 276  * @smps_requests: the SMPS requests of differents parts of the driver,
 277  *      combined on update to yield the overall request to mac80211.
 278  */
 279 struct iwl_mvm_vif {
 280         u16 id;
 281         u16 color;
 282         u8 ap_sta_id;
 283
 284         bool uploaded;
 285         bool ap_ibss_active;
 286         bool monitor_active;
 287         bool low_latency;
 288         struct iwl_mvm_vif_bf_data bf_data;
 289
 290         u32 ap_beacon_time;
 291
 292         enum iwl_tsf_id tsf_id;
 293
 294         /*
 295          * QoS data from mac80211, need to store this here
 296          * as mac80211 has a separate callback but we need
 297          * to have the data for the MAC context
 298          */
 299         struct ieee80211_tx_queue_params queue_params[IEEE80211_NUM_ACS];
 300         struct iwl_mvm_time_event_data time_event_data;
 301
 302         struct iwl_mvm_int_sta bcast_sta;
 303
 304         /*
 305          * Assigned while mac80211 has the interface in a channel context,
 306          * or, for P2P Device, while it exists.
 307          */
 308         struct iwl_mvm_phy_ctxt *phy_ctxt;
 309
 310 #ifdef CONFIG_PM_SLEEP
 311         /* WoWLAN GTK rekey data */
 312         struct {
 313                 u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN];
 314                 __le64 replay_ctr;
 315                 bool valid;
 316         } rekey_data;
 317
 318         int tx_key_idx;
 319
 320         bool seqno_valid;
 321         u16 seqno;
 322 #endif
 323
 324 #if IS_ENABLED(CONFIG_IPV6)
 325         /* IPv6 addresses for WoWLAN */
 326         struct in6_addr target_ipv6_addrs[IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_MAX];
 327         int num_target_ipv6_addrs;
 328 #endif
 329
 330 #ifdef CONFIG_IWLWIFI_DEBUGFS
 331         struct iwl_mvm *mvm;
 332         struct dentry *dbgfs_dir;
 333         struct dentry *dbgfs_slink;
 334         struct iwl_dbgfs_pm dbgfs_pm;
 335         struct iwl_dbgfs_bf dbgfs_bf;
 336         struct iwl_mac_power_cmd mac_pwr_cmd;
 337 #endif
 338
 339         enum ieee80211_smps_mode smps_requests[NUM_IWL_MVM_SMPS_REQ];
 340
 341         /* FW identified misbehaving AP */
 342         u8 uapsd_misbehaving_bssid[ETH_ALEN];
 343 };
 344
 345 static inline struct iwl_mvm_vif *
 346 iwl_mvm_vif_from_mac80211(struct ieee80211_vif *vif)
 347 {
 348         return (void *)vif->drv_priv;
 349 }
 350
 351 extern const u8 tid_to_mac80211_ac[];
 352
 353 enum iwl_scan_status {
 354         IWL_MVM_SCAN_NONE,
 355         IWL_MVM_SCAN_OS,
 356         IWL_MVM_SCAN_SCHED,
 357 };
 358
 359 /**
 360  * struct iwl_nvm_section - describes an NVM section in memory.
 361  *
 362  * This struct holds an NVM section read from the NIC using NVM_ACCESS_CMD,
 363  * and saved for later use by the driver. Not all NVM sections are saved
 364  * this way, only the needed ones.
 365  */
 366 struct iwl_nvm_section {
 367         u16 length;
 368         const u8 *data;
 369 };
 370
 371 /*
 372  * Tx-backoff threshold
 373  * @temperature: The threshold in Celsius
 374  * @backoff: The tx-backoff in uSec
 375  */
 376 struct iwl_tt_tx_backoff {
 377         s32 temperature;
 378         u32 backoff;
 379 };
 380
 381 #define TT_TX_BACKOFF_SIZE 6
 382
 383 /**
 384  * struct iwl_tt_params - thermal throttling parameters
 385  * @ct_kill_entry: CT Kill entry threshold
 386  * @ct_kill_exit: CT Kill exit threshold
 387  * @ct_kill_duration: The time  intervals (in uSec) in which the driver needs
 388  *      to checks whether to exit CT Kill.
 389  * @dynamic_smps_entry: Dynamic SMPS entry threshold
 390  * @dynamic_smps_exit: Dynamic SMPS exit threshold
 391  * @tx_protection_entry: TX protection entry threshold
 392  * @tx_protection_exit: TX protection exit threshold
 393  * @tx_backoff: Array of thresholds for tx-backoff , in ascending order.
 394  * @support_ct_kill: Support CT Kill?
 395  * @support_dynamic_smps: Support dynamic SMPS?
 396  * @support_tx_protection: Support tx protection?
 397  * @support_tx_backoff: Support tx-backoff?
 398  */
 399 struct iwl_tt_params {
 400         s32 ct_kill_entry;
 401         s32 ct_kill_exit;
 402         u32 ct_kill_duration;
 403         s32 dynamic_smps_entry;
 404         s32 dynamic_smps_exit;
 405         s32 tx_protection_entry;
 406         s32 tx_protection_exit;
 407         struct iwl_tt_tx_backoff tx_backoff[TT_TX_BACKOFF_SIZE];
 408         bool support_ct_kill;
 409         bool support_dynamic_smps;
 410         bool support_tx_protection;
 411         bool support_tx_backoff;
 412 };
 413
 414 /**
 415  * struct iwl_mvm_tt_mgnt - Thermal Throttling Management structure
 416  * @ct_kill_exit: worker to exit thermal kill
 417  * @dynamic_smps: Is thermal throttling enabled dynamic_smps?
 418  * @tx_backoff: The current thremal throttling tx backoff in uSec.
 419  * @min_backoff: The minimal tx backoff due to power restrictions
 420  * @params: Parameters to configure the thermal throttling algorithm.
 421  * @throttle: Is thermal throttling is active?
 422  */
 423 struct iwl_mvm_tt_mgmt {
 424         struct delayed_work ct_kill_exit;
 425         bool dynamic_smps;
 426         u32 tx_backoff;
 427         u32 min_backoff;
 428         const struct iwl_tt_params *params;
 429         bool throttle;
 430 };
 431
 432 #define IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES 8
 433
 434 struct iwl_mvm_frame_stats {
 435         u32 legacy_frames;
 436         u32 ht_frames;
 437         u32 vht_frames;
 438         u32 bw_20_frames;
 439         u32 bw_40_frames;
 440         u32 bw_80_frames;
 441         u32 bw_160_frames;
 442         u32 sgi_frames;
 443         u32 ngi_frames;
 444         u32 siso_frames;
 445         u32 mimo2_frames;
 446         u32 agg_frames;
 447         u32 ampdu_count;
 448         u32 success_frames;
 449         u32 fail_frames;
 450         u32 last_rates[IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES];
 451         int last_frame_idx;
 452 };
 453
 454 struct iwl_mvm {
 455         /* for logger access */
 456         struct device *dev;
 457
 458         struct iwl_trans *trans;
 459         const struct iwl_fw *fw;
 460         const struct iwl_cfg *cfg;
 461         struct iwl_phy_db *phy_db;
 462         struct ieee80211_hw *hw;
 463
 464         /* for protecting access to iwl_mvm */
 465         struct mutex mutex;
 466         struct list_head async_handlers_list;
 467         spinlock_t async_handlers_lock;
 468         struct work_struct async_handlers_wk;
 469
 470         struct work_struct roc_done_wk;
 471
 472         unsigned long status;
 473
 474         /*
 475          * for beacon filtering -
 476          * currently only one interface can be supported
 477          */
 478         struct iwl_mvm_vif *bf_allowed_vif;
 479
 480         enum iwl_ucode_type cur_ucode;
 481         bool ucode_loaded;
 482         bool init_ucode_complete;
 483         u32 error_event_table;
 484         u32 log_event_table;
 485         u32 umac_error_event_table;
 486         bool support_umac_log;
 487
 488         u32 ampdu_ref;
 489
 490         struct iwl_notif_wait_data notif_wait;
 491
 492         struct mvm_statistics_rx rx_stats;
 493
 494         unsigned long transport_queue_stop;
 495         u8 queue_to_mac80211[IWL_MAX_HW_QUEUES];
 496         atomic_t queue_stop_count[IWL_MAX_HW_QUEUES];
 497
 498         struct iwl_nvm_data *nvm_data;
 499         /* NVM sections */
 500         struct iwl_nvm_section nvm_sections[NVM_MAX_NUM_SECTIONS];
 501
 502         /* EEPROM MAC addresses */
 503         struct mac_address addresses[IWL_MVM_MAX_ADDRESSES];
 504
 505         /* data related to data path */
 506         struct iwl_rx_phy_info last_phy_info;
 507         struct ieee80211_sta __rcu *fw_id_to_mac_id[IWL_MVM_STATION_COUNT];
 508         struct work_struct sta_drained_wk;
 509         unsigned long sta_drained[BITS_TO_LONGS(IWL_MVM_STATION_COUNT)];
 510         atomic_t pending_frames[IWL_MVM_STATION_COUNT];
 511         u8 rx_ba_sessions;
 512
 513         /* configured by mac80211 */
 514         u32 rts_threshold;
 515
 516         /* Scan status, cmd (pre-allocated) and auxiliary station */
 517         enum iwl_scan_status scan_status;
 518         struct iwl_scan_cmd *scan_cmd;
 519         struct iwl_mcast_filter_cmd *mcast_filter_cmd;
 520
 521         /* rx chain antennas set through debugfs for the scan command */
 522         u8 scan_rx_ant;
 523
 524 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
 525         /* broadcast filters to configure for each associated station */
 526         const struct iwl_fw_bcast_filter *bcast_filters;
 527 #ifdef CONFIG_IWLWIFI_DEBUGFS
 528         struct {
 529                 u32 override; /* u32 for debugfs_create_bool */
 530                 struct iwl_bcast_filter_cmd cmd;
 531         } dbgfs_bcast_filtering;
 532 #endif
 533 #endif
 534
 535         /* Internal station */
 536         struct iwl_mvm_int_sta aux_sta;
 537
 538         u8 scan_last_antenna_idx; /* to toggle TX between antennas */
 539         u8 mgmt_last_antenna_idx;
 540
 541         /* last smart fifo state that was successfully sent to firmware */
 542         enum iwl_sf_state sf_state;
 543
 544 #ifdef CONFIG_IWLWIFI_DEBUGFS
 545         struct dentry *debugfs_dir;
 546         u32 dbgfs_sram_offset, dbgfs_sram_len;
 547         u32 dbgfs_prph_reg_addr;
 548         bool disable_power_off;
 549         bool disable_power_off_d3;
 550
 551         struct debugfs_blob_wrapper nvm_hw_blob;
 552         struct debugfs_blob_wrapper nvm_sw_blob;
 553         struct debugfs_blob_wrapper nvm_calib_blob;
 554         struct debugfs_blob_wrapper nvm_prod_blob;
 555
 556         struct iwl_mvm_frame_stats drv_rx_stats;
 557         spinlock_t drv_stats_lock;
 558 #endif
 559
 560         struct iwl_mvm_phy_ctxt phy_ctxts[NUM_PHY_CTX];
 561
 562         struct list_head time_event_list;
 563         spinlock_t time_event_lock;
 564
 565         /*
 566          * A bitmap indicating the index of the key in use. The firmware
 567          * can hold 16 keys at most. Reflect this fact.
 568          */
 569         unsigned long fw_key_table[BITS_TO_LONGS(STA_KEY_MAX_NUM)];
 570
 571         /* A bitmap of reference types taken by the driver. */
 572         unsigned long ref_bitmap[BITS_TO_LONGS(IWL_MVM_REF_COUNT)];
 573
 574         u8 vif_count;
 575
 576         /* -1 for always, 0 for never, >0 for that many times */
 577         s8 restart_fw;
 578         void *fw_error_dump;
 579         void *fw_error_sram;
 580         u32 fw_error_sram_len;
 581
 582         struct led_classdev led;
 583
 584         struct ieee80211_vif *p2p_device_vif;
 585
 586 #ifdef CONFIG_PM_SLEEP
 587         struct wiphy_wowlan_support wowlan;
 588         int gtk_ivlen, gtk_icvlen, ptk_ivlen, ptk_icvlen;
 589 #ifdef CONFIG_IWLWIFI_DEBUGFS
 590         u32 d3_wake_sysassert; /* must be u32 for debugfs_create_bool */
 591         bool d3_test_active;
 592         bool store_d3_resume_sram;
 593         void *d3_resume_sram;
 594         u32 d3_test_pme_ptr;
 595         struct ieee80211_vif *keep_vif;
 596 #endif
 597 #endif
 598
 599         /* d0i3 */
 600         u8 d0i3_ap_sta_id;
 601         bool d0i3_offloading;
 602         struct work_struct d0i3_exit_work;
 603         struct sk_buff_head d0i3_tx;
 604         /* sync d0i3_tx queue and IWL_MVM_STATUS_IN_D0I3 status flag */
 605         spinlock_t d0i3_tx_lock;
 606         wait_queue_head_t d0i3_exit_waitq;
 607
 608         /* BT-Coex */
 609         u8 bt_kill_msk;
 610         struct iwl_bt_coex_profile_notif last_bt_notif;
 611         struct iwl_bt_coex_ci_cmd last_bt_ci_cmd;
 612         u32 last_ant_isol;
 613         u8 last_corun_lut;
 614         u8 bt_tx_prio;
 615
 616         /* Thermal Throttling and CTkill */
 617         struct iwl_mvm_tt_mgmt thermal_throttle;
 618         s32 temperature;        /* Celsius */
 619
 620 #ifdef CONFIG_NL80211_TESTMODE
 621         u32 noa_duration;
 622         struct ieee80211_vif *noa_vif;
 623 #endif
 624
 625         /* Tx queues */
 626         u8 aux_queue;
 627         u8 first_agg_queue;
 628         u8 last_agg_queue;
 629
 630         /* Indicate if device power save is allowed */
 631         bool ps_disabled;
 632         /* Indicate if device power management is allowed */
 633         bool pm_disabled;
 634 };
 635
 636 /* Extract MVM priv from op_mode and _hw */
 637 #define IWL_OP_MODE_GET_MVM(_iwl_op_mode)               \
 638         ((struct iwl_mvm *)(_iwl_op_mode)->op_mode_specific)
 639
 640 #define IWL_MAC80211_GET_MVM(_hw)                       \
 641         IWL_OP_MODE_GET_MVM((struct iwl_op_mode *)((_hw)->priv))
 642
 643 enum iwl_mvm_status {
 644         IWL_MVM_STATUS_HW_RFKILL,
 645         IWL_MVM_STATUS_HW_CTKILL,
 646         IWL_MVM_STATUS_ROC_RUNNING,
 647         IWL_MVM_STATUS_IN_HW_RESTART,
 648         IWL_MVM_STATUS_IN_D0I3,
 649 };
 650
 651 static inline bool iwl_mvm_is_radio_killed(struct iwl_mvm *mvm)
 652 {
 653         return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status) ||
 654                test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
 655 }
 656
 657 static inline struct iwl_mvm_sta *
 658 iwl_mvm_sta_from_staid_protected(struct iwl_mvm *mvm, u8 sta_id)
 659 {
 660         struct ieee80211_sta *sta;
 661
 662         if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
 663                 return NULL;
 664
 665         sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id],
 666                                         lockdep_is_held(&mvm->mutex));
 667
 668         /* This can happen if the station has been removed right now */
 669         if (IS_ERR_OR_NULL(sta))
 670                 return NULL;
 671
 672         return iwl_mvm_sta_from_mac80211(sta);
 673 }
 674
 675 static inline bool iwl_mvm_is_d0i3_supported(struct iwl_mvm *mvm)
 676 {
 677         return mvm->trans->cfg->d0i3 &&
 678                (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_D0I3_SUPPORT);
 679 }
 680
 681 extern const u8 iwl_mvm_ac_to_tx_fifo[];
 682
 683 struct iwl_rate_info {
 684         u8 plcp;        /* uCode API:  IWL_RATE_6M_PLCP, etc. */
 685         u8 plcp_siso;   /* uCode API:  IWL_RATE_SISO_6M_PLCP, etc. */
 686         u8 plcp_mimo2;  /* uCode API:  IWL_RATE_MIMO2_6M_PLCP, etc. */
 687         u8 plcp_mimo3;  /* uCode API:  IWL_RATE_MIMO3_6M_PLCP, etc. */
 688         u8 ieee;        /* MAC header:  IWL_RATE_6M_IEEE, etc. */
 689 };
 690
 691 /******************
 692  * MVM Methods
 693  ******************/
 694 /* uCode */
 695 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm);
 696
 697 /* Utils */
 698 int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags,
 699                                         enum ieee80211_band band);
 700 void iwl_mvm_hwrate_to_tx_rate(u32 rate_n_flags,
 701                                enum ieee80211_band band,
 702                                struct ieee80211_tx_rate *r);
 703 u8 iwl_mvm_mac80211_idx_to_hwrate(int rate_idx);
 704 void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm);
 705 #ifdef CONFIG_IWLWIFI_DEBUGFS
 706 void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm);
 707 void iwl_mvm_fw_error_sram_dump(struct iwl_mvm *mvm);
 708 #endif
 709 u8 first_antenna(u8 mask);
 710 u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx);
 711
 712 /* Tx / Host Commands */
 713 int __must_check iwl_mvm_send_cmd(struct iwl_mvm *mvm,
 714                                   struct iwl_host_cmd *cmd);
 715 int __must_check iwl_mvm_send_cmd_pdu(struct iwl_mvm *mvm, u8 id,
 716                                       u32 flags, u16 len, const void *data);
 717 int __must_check iwl_mvm_send_cmd_status(struct iwl_mvm *mvm,
 718                                          struct iwl_host_cmd *cmd,
 719                                          u32 *status);
 720 int __must_check iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u8 id,
 721                                              u16 len, const void *data,
 722                                              u32 *status);
 723 int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb,
 724                    struct ieee80211_sta *sta);
 725 int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb);
 726 #ifdef CONFIG_IWLWIFI_DEBUG
 727 const char *iwl_mvm_get_tx_fail_reason(u32 status);
 728 #else
 729 static inline const char *iwl_mvm_get_tx_fail_reason(u32 status) { return ""; }
 730 #endif
 731 int iwl_mvm_flush_tx_path(struct iwl_mvm *mvm, u32 tfd_msk, bool sync);
 732 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm);
 733
 734 static inline void iwl_mvm_wait_for_async_handlers(struct iwl_mvm *mvm)
 735 {
 736         flush_work(&mvm->async_handlers_wk);
 737 }
 738
 739 /* Statistics */
 740 int iwl_mvm_rx_reply_statistics(struct iwl_mvm *mvm,
 741                                 struct iwl_rx_cmd_buffer *rxb,
 742                                 struct iwl_device_cmd *cmd);
 743 int iwl_mvm_rx_statistics(struct iwl_mvm *mvm,
 744                           struct iwl_rx_cmd_buffer *rxb,
 745                           struct iwl_device_cmd *cmd);
 746
 747 /* NVM */
 748 int iwl_nvm_init(struct iwl_mvm *mvm);
 749 int iwl_mvm_load_nvm_to_nic(struct iwl_mvm *mvm);
 750
 751 int iwl_mvm_up(struct iwl_mvm *mvm);
 752 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm);
 753
 754 int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm);
 755 bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm,
 756                                     struct iwl_bcast_filter_cmd *cmd);
 757
 758 /*
 759  * FW notifications / CMD responses handlers
 760  * Convention: iwl_mvm_rx_<NAME OF THE CMD>
 761  */
 762 int iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 763                           struct iwl_device_cmd *cmd);
 764 int iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 765                        struct iwl_device_cmd *cmd);
 766 int iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 767                       struct iwl_device_cmd *cmd);
 768 int iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 769                         struct iwl_device_cmd *cmd);
 770 int iwl_mvm_rx_radio_ver(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 771                          struct iwl_device_cmd *cmd);
 772 int iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm,
 773                                   struct iwl_rx_cmd_buffer *rxb,
 774                                   struct iwl_device_cmd *cmd);
 775 int iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 776                           struct iwl_device_cmd *cmd);
 777 int iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
 778                                 struct iwl_rx_cmd_buffer *rxb,
 779                                 struct iwl_device_cmd *cmd);
 780 int iwl_mvm_rx_radio_ver(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 781                          struct iwl_device_cmd *cmd);
 782
 783 /* MVM PHY */
 784 int iwl_mvm_phy_ctxt_add(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
 785                          struct cfg80211_chan_def *chandef,
 786                          u8 chains_static, u8 chains_dynamic);
 787 int iwl_mvm_phy_ctxt_changed(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
 788                              struct cfg80211_chan_def *chandef,
 789                              u8 chains_static, u8 chains_dynamic);
 790 void iwl_mvm_phy_ctxt_ref(struct iwl_mvm *mvm,
 791                           struct iwl_mvm_phy_ctxt *ctxt);
 792 void iwl_mvm_phy_ctxt_unref(struct iwl_mvm *mvm,
 793                             struct iwl_mvm_phy_ctxt *ctxt);
 794
 795 /* MAC (virtual interface) programming */
 796 int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 797 void iwl_mvm_mac_ctxt_release(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 798 int iwl_mvm_mac_ctxt_add(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 799 int iwl_mvm_mac_ctxt_changed(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 800 int iwl_mvm_mac_ctxt_remove(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 801 u32 iwl_mvm_mac_get_queues_mask(struct iwl_mvm *mvm,
 802                                 struct ieee80211_vif *vif);
 803 int iwl_mvm_mac_ctxt_beacon_changed(struct iwl_mvm *mvm,
 804                                     struct ieee80211_vif *vif);
 805 int iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm,
 806                             struct iwl_rx_cmd_buffer *rxb,
 807                             struct iwl_device_cmd *cmd);
 808 int iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm,
 809                                     struct iwl_rx_cmd_buffer *rxb,
 810                                     struct iwl_device_cmd *cmd);
 811 void iwl_mvm_mac_ctxt_recalc_tsf_id(struct iwl_mvm *mvm,
 812                                     struct ieee80211_vif *vif);
 813
 814 /* Bindings */
 815 int iwl_mvm_binding_add_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 816 int iwl_mvm_binding_remove_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 817
 818 /* Quota management */
 819 int iwl_mvm_update_quotas(struct iwl_mvm *mvm, struct ieee80211_vif *newvif);
 820
 821 /* Scanning */
 822 int iwl_mvm_scan_request(struct iwl_mvm *mvm,
 823                          struct ieee80211_vif *vif,
 824                          struct cfg80211_scan_request *req);
 825 int iwl_mvm_rx_scan_response(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 826                              struct iwl_device_cmd *cmd);
 827 int iwl_mvm_rx_scan_complete(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 828                              struct iwl_device_cmd *cmd);
 829 int iwl_mvm_cancel_scan(struct iwl_mvm *mvm);
 830
 831 /* Scheduled scan */
 832 int iwl_mvm_rx_scan_offload_complete_notif(struct iwl_mvm *mvm,
 833                                            struct iwl_rx_cmd_buffer *rxb,
 834                                            struct iwl_device_cmd *cmd);
 835 int iwl_mvm_config_sched_scan(struct iwl_mvm *mvm,
 836                               struct ieee80211_vif *vif,
 837                               struct cfg80211_sched_scan_request *req,
 838                               struct ieee80211_sched_scan_ies *ies);
 839 int iwl_mvm_config_sched_scan_profiles(struct iwl_mvm *mvm,
 840                                        struct cfg80211_sched_scan_request *req);
 841 int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm,
 842                              struct cfg80211_sched_scan_request *req);
 843 int iwl_mvm_sched_scan_stop(struct iwl_mvm *mvm);
 844 int iwl_mvm_rx_sched_scan_results(struct iwl_mvm *mvm,
 845                                   struct iwl_rx_cmd_buffer *rxb,
 846                                   struct iwl_device_cmd *cmd);
 847
 848 /* MVM debugfs */
 849 #ifdef CONFIG_IWLWIFI_DEBUGFS
 850 int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir);
 851 void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 852 void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 853 #else
 854 static inline int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm,
 855                                          struct dentry *dbgfs_dir)
 856 {
 857         return 0;
 858 }
 859 static inline void
 860 iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
 861 {
 862 }
 863 static inline void
 864 iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
 865 {
 866 }
 867 #endif /* CONFIG_IWLWIFI_DEBUGFS */
 868
 869 /* rate scaling */
 870 int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool init);
 871 void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm,
 872                                 struct iwl_mvm_frame_stats *stats,
 873                                 u32 rate, bool agg);
 874 int rs_pretty_print_rate(char *buf, const u32 rate);
 875
 876 /* power management */
 877 int iwl_power_legacy_set_cam_mode(struct iwl_mvm *mvm);
 878
 879 int iwl_mvm_power_update_device(struct iwl_mvm *mvm);
 880 int iwl_mvm_power_update_mac(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 881 int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 882                                  char *buf, int bufsz);
 883
 884 void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 885 int iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm,
 886                                              struct iwl_rx_cmd_buffer *rxb,
 887                                              struct iwl_device_cmd *cmd);
 888
 889 int iwl_mvm_leds_init(struct iwl_mvm *mvm);
 890 void iwl_mvm_leds_exit(struct iwl_mvm *mvm);
 891
 892 /* D3 (WoWLAN, NetDetect) */
 893 int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan);
 894 int iwl_mvm_resume(struct ieee80211_hw *hw);
 895 void iwl_mvm_set_wakeup(struct ieee80211_hw *hw, bool enabled);
 896 void iwl_mvm_set_rekey_data(struct ieee80211_hw *hw,
 897                             struct ieee80211_vif *vif,
 898                             struct cfg80211_gtk_rekey_data *data);
 899 void iwl_mvm_ipv6_addr_change(struct ieee80211_hw *hw,
 900                               struct ieee80211_vif *vif,
 901                               struct inet6_dev *idev);
 902 void iwl_mvm_set_default_unicast_key(struct ieee80211_hw *hw,
 903                                      struct ieee80211_vif *vif, int idx);
 904 extern const struct file_operations iwl_dbgfs_d3_test_ops;
 905 #ifdef CONFIG_PM_SLEEP
 906 void iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm,
 907                                  struct ieee80211_vif *vif);
 908 #else
 909 static inline void
 910 iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
 911 {
 912 }
 913 #endif
 914 void iwl_mvm_set_wowlan_qos_seq(struct iwl_mvm_sta *mvm_ap_sta,
 915                                 struct iwl_wowlan_config_cmd_v2 *cmd);
 916 int iwl_mvm_send_proto_offload(struct iwl_mvm *mvm,
 917                                struct ieee80211_vif *vif,
 918                                bool disable_offloading,
 919                                u32 cmd_flags);
 920
 921 /* D0i3 */
 922 void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
 923 void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
 924 void iwl_mvm_d0i3_enable_tx(struct iwl_mvm *mvm, __le16 *qos_seq);
 925
 926 /* BT Coex */
 927 int iwl_send_bt_prio_tbl(struct iwl_mvm *mvm);
 928 int iwl_send_bt_init_conf(struct iwl_mvm *mvm);
 929 int iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm,
 930                              struct iwl_rx_cmd_buffer *rxb,
 931                              struct iwl_device_cmd *cmd);
 932 void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 933                            enum ieee80211_rssi_event rssi_event);
 934 void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm);
 935 u16 iwl_mvm_coex_agg_time_limit(struct iwl_mvm *mvm,
 936                                 struct ieee80211_sta *sta);
 937 bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm,
 938                                      struct ieee80211_sta *sta);
 939 u8 iwl_mvm_bt_coex_tx_prio(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr,
 940                            struct ieee80211_tx_info *info, u8 ac);
 941 int iwl_mvm_bt_coex_reduced_txp(struct iwl_mvm *mvm, u8 sta_id, bool enable);
 942
 943 enum iwl_bt_kill_msk {
 944         BT_KILL_MSK_DEFAULT,
 945         BT_KILL_MSK_SCO_HID_A2DP,
 946         BT_KILL_MSK_REDUCED_TXPOW,
 947         BT_KILL_MSK_MAX,
 948 };
 949 extern const u32 iwl_bt_ack_kill_msk[BT_KILL_MSK_MAX];
 950 extern const u32 iwl_bt_cts_kill_msk[BT_KILL_MSK_MAX];
 951
 952 /* beacon filtering */
 953 #ifdef CONFIG_IWLWIFI_DEBUGFS
 954 void
 955 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
 956                                          struct iwl_beacon_filter_cmd *cmd);
 957 #else
 958 static inline void
 959 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
 960                                          struct iwl_beacon_filter_cmd *cmd)
 961 {}
 962 #endif
 963 int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm,
 964                                    struct ieee80211_vif *vif,
 965                                    bool enable, u32 flags);
 966 int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
 967                                  struct ieee80211_vif *vif,
 968                                  u32 flags);
 969 int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
 970                                   struct ieee80211_vif *vif,
 971                                   u32 flags);
 972 int iwl_mvm_update_beacon_abort(struct iwl_mvm *mvm,
 973                                 struct ieee80211_vif *vif, bool enable);
 974 int iwl_mvm_update_beacon_filter(struct iwl_mvm *mvm,
 975                                  struct ieee80211_vif *vif,
 976                                  bool force,
 977                                  u32 flags);
 978
 979 /* SMPS */
 980 void iwl_mvm_update_smps(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 981                                 enum iwl_mvm_smps_type_request req_type,
 982                                 enum ieee80211_smps_mode smps_request);
 983
 984 /* Low latency */
 985 int iwl_mvm_update_low_latency(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 986                                bool value);
 987 /* get SystemLowLatencyMode - only needed for beacon threshold? */
 988 bool iwl_mvm_low_latency(struct iwl_mvm *mvm);
 989 /* get VMACLowLatencyMode */
 990 static inline bool iwl_mvm_vif_low_latency(struct iwl_mvm_vif *mvmvif)
 991 {
 992         /*
 993          * should this consider associated/active/... state?
 994          *
 995          * Normally low-latency should only be active on interfaces
 996          * that are active, but at least with debugfs it can also be
 997          * enabled on interfaces that aren't active. However, when
 998          * interface aren't active then they aren't added into the
 999          * binding, so this has no real impact. For now, just return
1000          * the current desired low-latency state.
1001          */
1002
1003         return mvmvif->low_latency;
1004 }
1005
1006 /* Assoc status */
1007 bool iwl_mvm_is_idle(struct iwl_mvm *mvm);
1008
1009 /* Thermal management and CT-kill */
1010 void iwl_mvm_tt_tx_backoff(struct iwl_mvm *mvm, u32 backoff);
1011 void iwl_mvm_tt_handler(struct iwl_mvm *mvm);
1012 void iwl_mvm_tt_initialize(struct iwl_mvm *mvm, u32 min_backoff);
1013 void iwl_mvm_tt_exit(struct iwl_mvm *mvm);
1014 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state);
1015
1016 /* smart fifo */
1017 int iwl_mvm_sf_update(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1018                       bool added_vif);
1019
1020 #endif /* __IWL_MVM_H__ */