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_LPRX_ENA = BIT(6),
 168         MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD = BIT(7),
 169         MVM_DEBUGFS_PM_SNOOZE_ENABLE = BIT(8),
 170         MVM_DEBUGFS_PM_UAPSD_MISBEHAVING = BIT(9),
 171 };
 172
 173 struct iwl_dbgfs_pm {
 174         u16 keep_alive_seconds;
 175         u32 rx_data_timeout;
 176         u32 tx_data_timeout;
 177         bool skip_over_dtim;
 178         u8 skip_dtim_periods;
 179         bool lprx_ena;
 180         u32 lprx_rssi_threshold;
 181         bool snooze_ena;
 182         bool uapsd_misbehaving;
 183         int mask;
 184 };
 185
 186 /* beacon filtering */
 187
 188 enum iwl_dbgfs_bf_mask {
 189         MVM_DEBUGFS_BF_ENERGY_DELTA = BIT(0),
 190         MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA = BIT(1),
 191         MVM_DEBUGFS_BF_ROAMING_STATE = BIT(2),
 192         MVM_DEBUGFS_BF_TEMP_THRESHOLD = BIT(3),
 193         MVM_DEBUGFS_BF_TEMP_FAST_FILTER = BIT(4),
 194         MVM_DEBUGFS_BF_TEMP_SLOW_FILTER = BIT(5),
 195         MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER = BIT(6),
 196         MVM_DEBUGFS_BF_DEBUG_FLAG = BIT(7),
 197         MVM_DEBUGFS_BF_ESCAPE_TIMER = BIT(8),
 198         MVM_DEBUGFS_BA_ESCAPE_TIMER = BIT(9),
 199         MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT = BIT(10),
 200 };
 201
 202 struct iwl_dbgfs_bf {
 203         u32 bf_energy_delta;
 204         u32 bf_roaming_energy_delta;
 205         u32 bf_roaming_state;
 206         u32 bf_temp_threshold;
 207         u32 bf_temp_fast_filter;
 208         u32 bf_temp_slow_filter;
 209         u32 bf_enable_beacon_filter;
 210         u32 bf_debug_flag;
 211         u32 bf_escape_timer;
 212         u32 ba_escape_timer;
 213         u32 ba_enable_beacon_abort;
 214         int mask;
 215 };
 216 #endif
 217
 218 enum iwl_mvm_smps_type_request {
 219         IWL_MVM_SMPS_REQ_BT_COEX,
 220         IWL_MVM_SMPS_REQ_TT,
 221         NUM_IWL_MVM_SMPS_REQ,
 222 };
 223
 224 enum iwl_mvm_ref_type {
 225         IWL_MVM_REF_UCODE_DOWN,
 226         IWL_MVM_REF_SCAN,
 227         IWL_MVM_REF_ROC,
 228         IWL_MVM_REF_P2P_CLIENT,
 229         IWL_MVM_REF_AP_IBSS,
 230         IWL_MVM_REF_USER,
 231         IWL_MVM_REF_TX,
 232         IWL_MVM_REF_TX_AGG,
 233         IWL_MVM_REF_EXIT_WORK,
 234
 235         IWL_MVM_REF_COUNT,
 236 };
 237
 238 enum iwl_bt_force_ant_mode {
 239         BT_FORCE_ANT_DIS = 0,
 240         BT_FORCE_ANT_AUTO,
 241         BT_FORCE_ANT_BT,
 242         BT_FORCE_ANT_WIFI,
 243
 244         BT_FORCE_ANT_MAX,
 245 };
 246
 247 /**
 248 * struct iwl_mvm_vif_bf_data - beacon filtering related data
 249 * @bf_enabled: indicates if beacon filtering is enabled
 250 * @ba_enabled: indicated if beacon abort is enabled
 251 * @last_beacon_signal: last beacon rssi signal in dbm
 252 * @ave_beacon_signal: average beacon signal
 253 * @last_cqm_event: rssi of the last cqm event
 254 * @bt_coex_min_thold: minimum threshold for BT coex
 255 * @bt_coex_max_thold: maximum threshold for BT coex
 256 * @last_bt_coex_event: rssi of the last BT coex event
 257 */
 258 struct iwl_mvm_vif_bf_data {
 259         bool bf_enabled;
 260         bool ba_enabled;
 261         s8 ave_beacon_signal;
 262         s8 last_cqm_event;
 263         s8 bt_coex_min_thold;
 264         s8 bt_coex_max_thold;
 265         s8 last_bt_coex_event;
 266 };
 267
 268 /**
 269  * struct iwl_mvm_vif - data per Virtual Interface, it is a MAC context
 270  * @id: between 0 and 3
 271  * @color: to solve races upon MAC addition and removal
 272  * @ap_sta_id: the sta_id of the AP - valid only if VIF type is STA
 273  * @uploaded: indicates the MAC context has been added to the device
 274  * @ap_ibss_active: indicates that AP/IBSS is configured and that the interface
 275  *      should get quota etc.
 276  * @pm_enabled - Indicate if MAC power management is allowed
 277  * @monitor_active: indicates that monitor context is configured, and that the
 278  *      interface should get quota etc.
 279  * @low_latency: indicates that this interface is in low-latency mode
 280  *      (VMACLowLatencyMode)
 281  * @queue_params: QoS params for this MAC
 282  * @bcast_sta: station used for broadcast packets. Used by the following
 283  *  vifs: P2P_DEVICE, GO and AP.
 284  * @beacon_skb: the skb used to hold the AP/GO beacon template
 285  * @smps_requests: the SMPS requests of differents parts of the driver,
 286  *      combined on update to yield the overall request to mac80211.
 287  */
 288 struct iwl_mvm_vif {
 289         u16 id;
 290         u16 color;
 291         u8 ap_sta_id;
 292
 293         bool uploaded;
 294         bool ap_ibss_active;
 295         bool pm_enabled;
 296         bool monitor_active;
 297         bool low_latency;
 298         struct iwl_mvm_vif_bf_data bf_data;
 299
 300         u32 ap_beacon_time;
 301
 302         enum iwl_tsf_id tsf_id;
 303
 304         /*
 305          * QoS data from mac80211, need to store this here
 306          * as mac80211 has a separate callback but we need
 307          * to have the data for the MAC context
 308          */
 309         struct ieee80211_tx_queue_params queue_params[IEEE80211_NUM_ACS];
 310         struct iwl_mvm_time_event_data time_event_data;
 311
 312         struct iwl_mvm_int_sta bcast_sta;
 313
 314         /*
 315          * Assigned while mac80211 has the interface in a channel context,
 316          * or, for P2P Device, while it exists.
 317          */
 318         struct iwl_mvm_phy_ctxt *phy_ctxt;
 319
 320 #ifdef CONFIG_PM_SLEEP
 321         /* WoWLAN GTK rekey data */
 322         struct {
 323                 u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN];
 324                 __le64 replay_ctr;
 325                 bool valid;
 326         } rekey_data;
 327
 328         int tx_key_idx;
 329
 330         bool seqno_valid;
 331         u16 seqno;
 332 #endif
 333
 334 #if IS_ENABLED(CONFIG_IPV6)
 335         /* IPv6 addresses for WoWLAN */
 336         struct in6_addr target_ipv6_addrs[IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_MAX];
 337         int num_target_ipv6_addrs;
 338 #endif
 339
 340 #ifdef CONFIG_IWLWIFI_DEBUGFS
 341         struct iwl_mvm *mvm;
 342         struct dentry *dbgfs_dir;
 343         struct dentry *dbgfs_slink;
 344         struct iwl_dbgfs_pm dbgfs_pm;
 345         struct iwl_dbgfs_bf dbgfs_bf;
 346         struct iwl_mac_power_cmd mac_pwr_cmd;
 347 #endif
 348
 349         enum ieee80211_smps_mode smps_requests[NUM_IWL_MVM_SMPS_REQ];
 350
 351         /* FW identified misbehaving AP */
 352         u8 uapsd_misbehaving_bssid[ETH_ALEN];
 353 };
 354
 355 static inline struct iwl_mvm_vif *
 356 iwl_mvm_vif_from_mac80211(struct ieee80211_vif *vif)
 357 {
 358         return (void *)vif->drv_priv;
 359 }
 360
 361 extern const u8 tid_to_mac80211_ac[];
 362
 363 enum iwl_scan_status {
 364         IWL_MVM_SCAN_NONE,
 365         IWL_MVM_SCAN_OS,
 366         IWL_MVM_SCAN_SCHED,
 367 };
 368
 369 /**
 370  * struct iwl_nvm_section - describes an NVM section in memory.
 371  *
 372  * This struct holds an NVM section read from the NIC using NVM_ACCESS_CMD,
 373  * and saved for later use by the driver. Not all NVM sections are saved
 374  * this way, only the needed ones.
 375  */
 376 struct iwl_nvm_section {
 377         u16 length;
 378         const u8 *data;
 379 };
 380
 381 /*
 382  * Tx-backoff threshold
 383  * @temperature: The threshold in Celsius
 384  * @backoff: The tx-backoff in uSec
 385  */
 386 struct iwl_tt_tx_backoff {
 387         s32 temperature;
 388         u32 backoff;
 389 };
 390
 391 #define TT_TX_BACKOFF_SIZE 6
 392
 393 /**
 394  * struct iwl_tt_params - thermal throttling parameters
 395  * @ct_kill_entry: CT Kill entry threshold
 396  * @ct_kill_exit: CT Kill exit threshold
 397  * @ct_kill_duration: The time  intervals (in uSec) in which the driver needs
 398  *      to checks whether to exit CT Kill.
 399  * @dynamic_smps_entry: Dynamic SMPS entry threshold
 400  * @dynamic_smps_exit: Dynamic SMPS exit threshold
 401  * @tx_protection_entry: TX protection entry threshold
 402  * @tx_protection_exit: TX protection exit threshold
 403  * @tx_backoff: Array of thresholds for tx-backoff , in ascending order.
 404  * @support_ct_kill: Support CT Kill?
 405  * @support_dynamic_smps: Support dynamic SMPS?
 406  * @support_tx_protection: Support tx protection?
 407  * @support_tx_backoff: Support tx-backoff?
 408  */
 409 struct iwl_tt_params {
 410         s32 ct_kill_entry;
 411         s32 ct_kill_exit;
 412         u32 ct_kill_duration;
 413         s32 dynamic_smps_entry;
 414         s32 dynamic_smps_exit;
 415         s32 tx_protection_entry;
 416         s32 tx_protection_exit;
 417         struct iwl_tt_tx_backoff tx_backoff[TT_TX_BACKOFF_SIZE];
 418         bool support_ct_kill;
 419         bool support_dynamic_smps;
 420         bool support_tx_protection;
 421         bool support_tx_backoff;
 422 };
 423
 424 /**
 425  * struct iwl_mvm_tt_mgnt - Thermal Throttling Management structure
 426  * @ct_kill_exit: worker to exit thermal kill
 427  * @dynamic_smps: Is thermal throttling enabled dynamic_smps?
 428  * @tx_backoff: The current thremal throttling tx backoff in uSec.
 429  * @min_backoff: The minimal tx backoff due to power restrictions
 430  * @params: Parameters to configure the thermal throttling algorithm.
 431  * @throttle: Is thermal throttling is active?
 432  */
 433 struct iwl_mvm_tt_mgmt {
 434         struct delayed_work ct_kill_exit;
 435         bool dynamic_smps;
 436         u32 tx_backoff;
 437         u32 min_backoff;
 438         const struct iwl_tt_params *params;
 439         bool throttle;
 440 };
 441
 442 #define IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES 8
 443
 444 struct iwl_mvm_frame_stats {
 445         u32 legacy_frames;
 446         u32 ht_frames;
 447         u32 vht_frames;
 448         u32 bw_20_frames;
 449         u32 bw_40_frames;
 450         u32 bw_80_frames;
 451         u32 bw_160_frames;
 452         u32 sgi_frames;
 453         u32 ngi_frames;
 454         u32 siso_frames;
 455         u32 mimo2_frames;
 456         u32 agg_frames;
 457         u32 ampdu_count;
 458         u32 success_frames;
 459         u32 fail_frames;
 460         u32 last_rates[IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES];
 461         int last_frame_idx;
 462 };
 463
 464 enum {
 465         D0I3_DEFER_WAKEUP,
 466         D0I3_PENDING_WAKEUP,
 467 };
 468
 469 struct iwl_mvm {
 470         /* for logger access */
 471         struct device *dev;
 472
 473         struct iwl_trans *trans;
 474         const struct iwl_fw *fw;
 475         const struct iwl_cfg *cfg;
 476         struct iwl_phy_db *phy_db;
 477         struct ieee80211_hw *hw;
 478
 479         /* for protecting access to iwl_mvm */
 480         struct mutex mutex;
 481         struct list_head async_handlers_list;
 482         spinlock_t async_handlers_lock;
 483         struct work_struct async_handlers_wk;
 484
 485         struct work_struct roc_done_wk;
 486
 487         unsigned long status;
 488
 489         /*
 490          * for beacon filtering -
 491          * currently only one interface can be supported
 492          */
 493         struct iwl_mvm_vif *bf_allowed_vif;
 494
 495         enum iwl_ucode_type cur_ucode;
 496         bool ucode_loaded;
 497         bool init_ucode_complete;
 498         u32 error_event_table;
 499         u32 log_event_table;
 500         u32 umac_error_event_table;
 501         bool support_umac_log;
 502         struct iwl_sf_region sf_space;
 503
 504         u32 ampdu_ref;
 505
 506         struct iwl_notif_wait_data notif_wait;
 507
 508         struct mvm_statistics_rx rx_stats;
 509
 510         unsigned long transport_queue_stop;
 511         u8 queue_to_mac80211[IWL_MAX_HW_QUEUES];
 512         atomic_t queue_stop_count[IWL_MAX_HW_QUEUES];
 513
 514         const char *nvm_file_name;
 515         struct iwl_nvm_data *nvm_data;
 516         /* NVM sections */
 517         struct iwl_nvm_section nvm_sections[NVM_MAX_NUM_SECTIONS];
 518
 519         /* EEPROM MAC addresses */
 520         struct mac_address addresses[IWL_MVM_MAX_ADDRESSES];
 521
 522         /* data related to data path */
 523         struct iwl_rx_phy_info last_phy_info;
 524         struct ieee80211_sta __rcu *fw_id_to_mac_id[IWL_MVM_STATION_COUNT];
 525         struct work_struct sta_drained_wk;
 526         unsigned long sta_drained[BITS_TO_LONGS(IWL_MVM_STATION_COUNT)];
 527         atomic_t pending_frames[IWL_MVM_STATION_COUNT];
 528         u8 rx_ba_sessions;
 529
 530         /* configured by mac80211 */
 531         u32 rts_threshold;
 532
 533         /* Scan status, cmd (pre-allocated) and auxiliary station */
 534         enum iwl_scan_status scan_status;
 535         struct iwl_scan_cmd *scan_cmd;
 536         struct iwl_mcast_filter_cmd *mcast_filter_cmd;
 537
 538         /* rx chain antennas set through debugfs for the scan command */
 539         u8 scan_rx_ant;
 540
 541 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
 542         /* broadcast filters to configure for each associated station */
 543         const struct iwl_fw_bcast_filter *bcast_filters;
 544 #ifdef CONFIG_IWLWIFI_DEBUGFS
 545         struct {
 546                 u32 override; /* u32 for debugfs_create_bool */
 547                 struct iwl_bcast_filter_cmd cmd;
 548         } dbgfs_bcast_filtering;
 549 #endif
 550 #endif
 551
 552         /* Internal station */
 553         struct iwl_mvm_int_sta aux_sta;
 554
 555         bool last_ebs_successful;
 556
 557         u8 scan_last_antenna_idx; /* to toggle TX between antennas */
 558         u8 mgmt_last_antenna_idx;
 559
 560         /* last smart fifo state that was successfully sent to firmware */
 561         enum iwl_sf_state sf_state;
 562
 563 #ifdef CONFIG_IWLWIFI_DEBUGFS
 564         struct dentry *debugfs_dir;
 565         u32 dbgfs_sram_offset, dbgfs_sram_len;
 566         u32 dbgfs_prph_reg_addr;
 567         bool disable_power_off;
 568         bool disable_power_off_d3;
 569
 570         struct debugfs_blob_wrapper nvm_hw_blob;
 571         struct debugfs_blob_wrapper nvm_sw_blob;
 572         struct debugfs_blob_wrapper nvm_calib_blob;
 573         struct debugfs_blob_wrapper nvm_prod_blob;
 574
 575         struct iwl_mvm_frame_stats drv_rx_stats;
 576         spinlock_t drv_stats_lock;
 577 #endif
 578
 579         struct iwl_mvm_phy_ctxt phy_ctxts[NUM_PHY_CTX];
 580
 581         struct list_head time_event_list;
 582         spinlock_t time_event_lock;
 583
 584         /*
 585          * A bitmap indicating the index of the key in use. The firmware
 586          * can hold 16 keys at most. Reflect this fact.
 587          */
 588         unsigned long fw_key_table[BITS_TO_LONGS(STA_KEY_MAX_NUM)];
 589
 590         /* A bitmap of reference types taken by the driver. */
 591         unsigned long ref_bitmap[BITS_TO_LONGS(IWL_MVM_REF_COUNT)];
 592
 593         u8 vif_count;
 594
 595         /* -1 for always, 0 for never, >0 for that many times */
 596         s8 restart_fw;
 597         void *fw_error_dump;
 598         void *fw_error_sram;
 599         u32 fw_error_sram_len;
 600         u32 *fw_error_rxf;
 601         u32 fw_error_rxf_len;
 602
 603 #ifdef CONFIG_IWLWIFI_LEDS
 604         struct led_classdev led;
 605 #endif
 606
 607         struct ieee80211_vif *p2p_device_vif;
 608
 609 #ifdef CONFIG_PM_SLEEP
 610         struct wiphy_wowlan_support wowlan;
 611         int gtk_ivlen, gtk_icvlen, ptk_ivlen, ptk_icvlen;
 612 #ifdef CONFIG_IWLWIFI_DEBUGFS
 613         u32 d3_wake_sysassert; /* must be u32 for debugfs_create_bool */
 614         bool d3_test_active;
 615         bool store_d3_resume_sram;
 616         void *d3_resume_sram;
 617         u32 d3_test_pme_ptr;
 618         struct ieee80211_vif *keep_vif;
 619 #endif
 620 #endif
 621
 622         /* d0i3 */
 623         u8 d0i3_ap_sta_id;
 624         bool d0i3_offloading;
 625         struct work_struct d0i3_exit_work;
 626         struct sk_buff_head d0i3_tx;
 627         /* protect d0i3_suspend_flags */
 628         struct mutex d0i3_suspend_mutex;
 629         unsigned long d0i3_suspend_flags;
 630         /* sync d0i3_tx queue and IWL_MVM_STATUS_IN_D0I3 status flag */
 631         spinlock_t d0i3_tx_lock;
 632         wait_queue_head_t d0i3_exit_waitq;
 633
 634         /* BT-Coex */
 635         u8 bt_kill_msk;
 636         struct iwl_bt_coex_profile_notif last_bt_notif;
 637         struct iwl_bt_coex_ci_cmd last_bt_ci_cmd;
 638         u32 last_ant_isol;
 639         u8 last_corun_lut;
 640         u8 bt_tx_prio;
 641         enum iwl_bt_force_ant_mode bt_force_ant_mode;
 642
 643         /* Thermal Throttling and CTkill */
 644         struct iwl_mvm_tt_mgmt thermal_throttle;
 645         s32 temperature;        /* Celsius */
 646
 647 #ifdef CONFIG_NL80211_TESTMODE
 648         u32 noa_duration;
 649         struct ieee80211_vif *noa_vif;
 650 #endif
 651
 652         /* Tx queues */
 653         u8 aux_queue;
 654         u8 first_agg_queue;
 655         u8 last_agg_queue;
 656
 657         /* Indicate if device power save is allowed */
 658         bool ps_disabled;
 659
 660         struct ieee80211_vif *csa_vif;
 661
 662         /* system time of last beacon (for AP/GO interface) */
 663         u32 ap_last_beacon_gp2;
 664 };
 665
 666 /* Extract MVM priv from op_mode and _hw */
 667 #define IWL_OP_MODE_GET_MVM(_iwl_op_mode)               \
 668         ((struct iwl_mvm *)(_iwl_op_mode)->op_mode_specific)
 669
 670 #define IWL_MAC80211_GET_MVM(_hw)                       \
 671         IWL_OP_MODE_GET_MVM((struct iwl_op_mode *)((_hw)->priv))
 672
 673 enum iwl_mvm_status {
 674         IWL_MVM_STATUS_HW_RFKILL,
 675         IWL_MVM_STATUS_HW_CTKILL,
 676         IWL_MVM_STATUS_ROC_RUNNING,
 677         IWL_MVM_STATUS_IN_HW_RESTART,
 678         IWL_MVM_STATUS_IN_D0I3,
 679 };
 680
 681 static inline bool iwl_mvm_is_radio_killed(struct iwl_mvm *mvm)
 682 {
 683         return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status) ||
 684                test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
 685 }
 686
 687 static inline struct iwl_mvm_sta *
 688 iwl_mvm_sta_from_staid_protected(struct iwl_mvm *mvm, u8 sta_id)
 689 {
 690         struct ieee80211_sta *sta;
 691
 692         if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
 693                 return NULL;
 694
 695         sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id],
 696                                         lockdep_is_held(&mvm->mutex));
 697
 698         /* This can happen if the station has been removed right now */
 699         if (IS_ERR_OR_NULL(sta))
 700                 return NULL;
 701
 702         return iwl_mvm_sta_from_mac80211(sta);
 703 }
 704
 705 static inline bool iwl_mvm_is_d0i3_supported(struct iwl_mvm *mvm)
 706 {
 707         return mvm->trans->cfg->d0i3 &&
 708                (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_D0I3_SUPPORT);
 709 }
 710
 711 extern const u8 iwl_mvm_ac_to_tx_fifo[];
 712
 713 struct iwl_rate_info {
 714         u8 plcp;        /* uCode API:  IWL_RATE_6M_PLCP, etc. */
 715         u8 plcp_siso;   /* uCode API:  IWL_RATE_SISO_6M_PLCP, etc. */
 716         u8 plcp_mimo2;  /* uCode API:  IWL_RATE_MIMO2_6M_PLCP, etc. */
 717         u8 plcp_mimo3;  /* uCode API:  IWL_RATE_MIMO3_6M_PLCP, etc. */
 718         u8 ieee;        /* MAC header:  IWL_RATE_6M_IEEE, etc. */
 719 };
 720
 721 /******************
 722  * MVM Methods
 723  ******************/
 724 /* uCode */
 725 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm);
 726
 727 /* Utils */
 728 int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags,
 729                                         enum ieee80211_band band);
 730 void iwl_mvm_hwrate_to_tx_rate(u32 rate_n_flags,
 731                                enum ieee80211_band band,
 732                                struct ieee80211_tx_rate *r);
 733 u8 iwl_mvm_mac80211_idx_to_hwrate(int rate_idx);
 734 void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm);
 735 #ifdef CONFIG_IWLWIFI_DEBUGFS
 736 void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm);
 737 void iwl_mvm_fw_error_sram_dump(struct iwl_mvm *mvm);
 738 void iwl_mvm_fw_error_rxf_dump(struct iwl_mvm *mvm);
 739 #endif
 740 u8 first_antenna(u8 mask);
 741 u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx);
 742
 743 /* Tx / Host Commands */
 744 int __must_check iwl_mvm_send_cmd(struct iwl_mvm *mvm,
 745                                   struct iwl_host_cmd *cmd);
 746 int __must_check iwl_mvm_send_cmd_pdu(struct iwl_mvm *mvm, u8 id,
 747                                       u32 flags, u16 len, const void *data);
 748 int __must_check iwl_mvm_send_cmd_status(struct iwl_mvm *mvm,
 749                                          struct iwl_host_cmd *cmd,
 750                                          u32 *status);
 751 int __must_check iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u8 id,
 752                                              u16 len, const void *data,
 753                                              u32 *status);
 754 int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb,
 755                    struct ieee80211_sta *sta);
 756 int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb);
 757 #ifdef CONFIG_IWLWIFI_DEBUG
 758 const char *iwl_mvm_get_tx_fail_reason(u32 status);
 759 #else
 760 static inline const char *iwl_mvm_get_tx_fail_reason(u32 status) { return ""; }
 761 #endif
 762 int iwl_mvm_flush_tx_path(struct iwl_mvm *mvm, u32 tfd_msk, bool sync);
 763 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm);
 764
 765 static inline void iwl_mvm_wait_for_async_handlers(struct iwl_mvm *mvm)
 766 {
 767         flush_work(&mvm->async_handlers_wk);
 768 }
 769
 770 /* Statistics */
 771 int iwl_mvm_rx_reply_statistics(struct iwl_mvm *mvm,
 772                                 struct iwl_rx_cmd_buffer *rxb,
 773                                 struct iwl_device_cmd *cmd);
 774 int iwl_mvm_rx_statistics(struct iwl_mvm *mvm,
 775                           struct iwl_rx_cmd_buffer *rxb,
 776                           struct iwl_device_cmd *cmd);
 777
 778 /* NVM */
 779 int iwl_nvm_init(struct iwl_mvm *mvm, bool read_nvm_from_nic);
 780 int iwl_mvm_load_nvm_to_nic(struct iwl_mvm *mvm);
 781
 782 int iwl_mvm_up(struct iwl_mvm *mvm);
 783 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm);
 784
 785 int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm);
 786 bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm,
 787                                     struct iwl_bcast_filter_cmd *cmd);
 788
 789 /*
 790  * FW notifications / CMD responses handlers
 791  * Convention: iwl_mvm_rx_<NAME OF THE CMD>
 792  */
 793 int iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 794                           struct iwl_device_cmd *cmd);
 795 int iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 796                        struct iwl_device_cmd *cmd);
 797 int iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 798                       struct iwl_device_cmd *cmd);
 799 int iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 800                         struct iwl_device_cmd *cmd);
 801 int iwl_mvm_rx_radio_ver(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 802                          struct iwl_device_cmd *cmd);
 803 int iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm,
 804                                   struct iwl_rx_cmd_buffer *rxb,
 805                                   struct iwl_device_cmd *cmd);
 806 int iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 807                           struct iwl_device_cmd *cmd);
 808 int iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
 809                                 struct iwl_rx_cmd_buffer *rxb,
 810                                 struct iwl_device_cmd *cmd);
 811 int iwl_mvm_rx_radio_ver(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 812                          struct iwl_device_cmd *cmd);
 813
 814 /* MVM PHY */
 815 int iwl_mvm_phy_ctxt_add(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
 816                          struct cfg80211_chan_def *chandef,
 817                          u8 chains_static, u8 chains_dynamic);
 818 int iwl_mvm_phy_ctxt_changed(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
 819                              struct cfg80211_chan_def *chandef,
 820                              u8 chains_static, u8 chains_dynamic);
 821 void iwl_mvm_phy_ctxt_ref(struct iwl_mvm *mvm,
 822                           struct iwl_mvm_phy_ctxt *ctxt);
 823 void iwl_mvm_phy_ctxt_unref(struct iwl_mvm *mvm,
 824                             struct iwl_mvm_phy_ctxt *ctxt);
 825
 826 /* MAC (virtual interface) programming */
 827 int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 828 void iwl_mvm_mac_ctxt_release(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 829 int iwl_mvm_mac_ctxt_add(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 830 int iwl_mvm_mac_ctxt_changed(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 831                              bool force_assoc_off);
 832 int iwl_mvm_mac_ctxt_remove(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 833 u32 iwl_mvm_mac_get_queues_mask(struct iwl_mvm *mvm,
 834                                 struct ieee80211_vif *vif);
 835 int iwl_mvm_mac_ctxt_beacon_changed(struct iwl_mvm *mvm,
 836                                     struct ieee80211_vif *vif);
 837 int iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm,
 838                             struct iwl_rx_cmd_buffer *rxb,
 839                             struct iwl_device_cmd *cmd);
 840 int iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm,
 841                                     struct iwl_rx_cmd_buffer *rxb,
 842                                     struct iwl_device_cmd *cmd);
 843 void iwl_mvm_mac_ctxt_recalc_tsf_id(struct iwl_mvm *mvm,
 844                                     struct ieee80211_vif *vif);
 845
 846 /* Bindings */
 847 int iwl_mvm_binding_add_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 848 int iwl_mvm_binding_remove_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 849
 850 /* Quota management */
 851 int iwl_mvm_update_quotas(struct iwl_mvm *mvm, struct ieee80211_vif *newvif);
 852
 853 /* Scanning */
 854 int iwl_mvm_scan_request(struct iwl_mvm *mvm,
 855                          struct ieee80211_vif *vif,
 856                          struct cfg80211_scan_request *req);
 857 int iwl_mvm_rx_scan_response(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 858                              struct iwl_device_cmd *cmd);
 859 int iwl_mvm_rx_scan_complete(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 860                              struct iwl_device_cmd *cmd);
 861 int iwl_mvm_cancel_scan(struct iwl_mvm *mvm);
 862
 863 /* Scheduled scan */
 864 int iwl_mvm_rx_scan_offload_complete_notif(struct iwl_mvm *mvm,
 865                                            struct iwl_rx_cmd_buffer *rxb,
 866                                            struct iwl_device_cmd *cmd);
 867 int iwl_mvm_config_sched_scan(struct iwl_mvm *mvm,
 868                               struct ieee80211_vif *vif,
 869                               struct cfg80211_sched_scan_request *req,
 870                               struct ieee80211_scan_ies *ies);
 871 int iwl_mvm_config_sched_scan_profiles(struct iwl_mvm *mvm,
 872                                        struct cfg80211_sched_scan_request *req);
 873 int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm,
 874                              struct cfg80211_sched_scan_request *req);
 875 int iwl_mvm_sched_scan_stop(struct iwl_mvm *mvm, bool notify);
 876 int iwl_mvm_rx_sched_scan_results(struct iwl_mvm *mvm,
 877                                   struct iwl_rx_cmd_buffer *rxb,
 878                                   struct iwl_device_cmd *cmd);
 879
 880 /* MVM debugfs */
 881 #ifdef CONFIG_IWLWIFI_DEBUGFS
 882 int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir);
 883 void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 884 void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 885 #else
 886 static inline int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm,
 887                                          struct dentry *dbgfs_dir)
 888 {
 889         return 0;
 890 }
 891 static inline void
 892 iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
 893 {
 894 }
 895 static inline void
 896 iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
 897 {
 898 }
 899 #endif /* CONFIG_IWLWIFI_DEBUGFS */
 900
 901 /* rate scaling */
 902 int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool init);
 903 void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm,
 904                                 struct iwl_mvm_frame_stats *stats,
 905                                 u32 rate, bool agg);
 906 int rs_pretty_print_rate(char *buf, const u32 rate);
 907
 908 /* power management */
 909 int iwl_mvm_power_update_device(struct iwl_mvm *mvm);
 910 int iwl_mvm_power_update_mac(struct iwl_mvm *mvm);
 911 int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 912                                  char *buf, int bufsz);
 913
 914 void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 915 int iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm,
 916                                              struct iwl_rx_cmd_buffer *rxb,
 917                                              struct iwl_device_cmd *cmd);
 918
 919 #ifdef CONFIG_IWLWIFI_LEDS
 920 int iwl_mvm_leds_init(struct iwl_mvm *mvm);
 921 void iwl_mvm_leds_exit(struct iwl_mvm *mvm);
 922 #else
 923 static inline int iwl_mvm_leds_init(struct iwl_mvm *mvm)
 924 {
 925         return 0;
 926 }
 927 static inline void iwl_mvm_leds_exit(struct iwl_mvm *mvm)
 928 {
 929 }
 930 #endif
 931
 932 /* D3 (WoWLAN, NetDetect) */
 933 int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan);
 934 int iwl_mvm_resume(struct ieee80211_hw *hw);
 935 void iwl_mvm_set_wakeup(struct ieee80211_hw *hw, bool enabled);
 936 void iwl_mvm_set_rekey_data(struct ieee80211_hw *hw,
 937                             struct ieee80211_vif *vif,
 938                             struct cfg80211_gtk_rekey_data *data);
 939 void iwl_mvm_ipv6_addr_change(struct ieee80211_hw *hw,
 940                               struct ieee80211_vif *vif,
 941                               struct inet6_dev *idev);
 942 void iwl_mvm_set_default_unicast_key(struct ieee80211_hw *hw,
 943                                      struct ieee80211_vif *vif, int idx);
 944 extern const struct file_operations iwl_dbgfs_d3_test_ops;
 945 #ifdef CONFIG_PM_SLEEP
 946 void iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm,
 947                                  struct ieee80211_vif *vif);
 948 #else
 949 static inline void
 950 iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
 951 {
 952 }
 953 #endif
 954 void iwl_mvm_set_wowlan_qos_seq(struct iwl_mvm_sta *mvm_ap_sta,
 955                                 struct iwl_wowlan_config_cmd_v2 *cmd);
 956 int iwl_mvm_send_proto_offload(struct iwl_mvm *mvm,
 957                                struct ieee80211_vif *vif,
 958                                bool disable_offloading,
 959                                u32 cmd_flags);
 960
 961 /* D0i3 */
 962 void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
 963 void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
 964 void iwl_mvm_d0i3_enable_tx(struct iwl_mvm *mvm, __le16 *qos_seq);
 965 int _iwl_mvm_exit_d0i3(struct iwl_mvm *mvm);
 966
 967 /* BT Coex */
 968 int iwl_send_bt_init_conf(struct iwl_mvm *mvm);
 969 int iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm,
 970                              struct iwl_rx_cmd_buffer *rxb,
 971                              struct iwl_device_cmd *cmd);
 972 void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 973                            enum ieee80211_rssi_event rssi_event);
 974 void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm);
 975 u16 iwl_mvm_coex_agg_time_limit(struct iwl_mvm *mvm,
 976                                 struct ieee80211_sta *sta);
 977 bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm,
 978                                      struct ieee80211_sta *sta);
 979 bool iwl_mvm_bt_coex_is_shared_ant_avail(struct iwl_mvm *mvm);
 980 bool iwl_mvm_bt_coex_is_tpc_allowed(struct iwl_mvm *mvm,
 981                                     enum ieee80211_band band);
 982 u8 iwl_mvm_bt_coex_tx_prio(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr,
 983                            struct ieee80211_tx_info *info, u8 ac);
 984
 985 enum iwl_bt_kill_msk {
 986         BT_KILL_MSK_DEFAULT,
 987         BT_KILL_MSK_SCO_HID_A2DP,
 988         BT_KILL_MSK_REDUCED_TXPOW,
 989         BT_KILL_MSK_MAX,
 990 };
 991 extern const u32 iwl_bt_ack_kill_msk[BT_KILL_MSK_MAX];
 992 extern const u32 iwl_bt_cts_kill_msk[BT_KILL_MSK_MAX];
 993
 994 /* beacon filtering */
 995 #ifdef CONFIG_IWLWIFI_DEBUGFS
 996 void
 997 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
 998                                          struct iwl_beacon_filter_cmd *cmd);
 999 #else
1000 static inline void
1001 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1002                                          struct iwl_beacon_filter_cmd *cmd)
1003 {}
1004 #endif
1005 int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm,
1006                                    struct ieee80211_vif *vif,
1007                                    bool enable, u32 flags);
1008 int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
1009                                  struct ieee80211_vif *vif,
1010                                  u32 flags);
1011 int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
1012                                   struct ieee80211_vif *vif,
1013                                   u32 flags);
1014 /* SMPS */
1015 void iwl_mvm_update_smps(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1016                                 enum iwl_mvm_smps_type_request req_type,
1017                                 enum ieee80211_smps_mode smps_request);
1018 bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm *mvm);
1019
1020 /* Low latency */
1021 int iwl_mvm_update_low_latency(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1022                                bool value);
1023 /* get SystemLowLatencyMode - only needed for beacon threshold? */
1024 bool iwl_mvm_low_latency(struct iwl_mvm *mvm);
1025 /* get VMACLowLatencyMode */
1026 static inline bool iwl_mvm_vif_low_latency(struct iwl_mvm_vif *mvmvif)
1027 {
1028         /*
1029          * should this consider associated/active/... state?
1030          *
1031          * Normally low-latency should only be active on interfaces
1032          * that are active, but at least with debugfs it can also be
1033          * enabled on interfaces that aren't active. However, when
1034          * interface aren't active then they aren't added into the
1035          * binding, so this has no real impact. For now, just return
1036          * the current desired low-latency state.
1037          */
1038
1039         return mvmvif->low_latency;
1040 }
1041
1042 /* Assoc status */
1043 bool iwl_mvm_is_idle(struct iwl_mvm *mvm);
1044
1045 /* Thermal management and CT-kill */
1046 void iwl_mvm_tt_tx_backoff(struct iwl_mvm *mvm, u32 backoff);
1047 void iwl_mvm_tt_handler(struct iwl_mvm *mvm);
1048 void iwl_mvm_tt_initialize(struct iwl_mvm *mvm, u32 min_backoff);
1049 void iwl_mvm_tt_exit(struct iwl_mvm *mvm);
1050 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state);
1051
1052 /* smart fifo */
1053 int iwl_mvm_sf_update(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1054                       bool added_vif);
1055
1056 #endif /* __IWL_MVM_H__ */