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 /**
 239 * struct iwl_mvm_vif_bf_data - beacon filtering related data
 240 * @bf_enabled: indicates if beacon filtering is enabled
 241 * @ba_enabled: indicated if beacon abort is enabled
 242 * @last_beacon_signal: last beacon rssi signal in dbm
 243 * @ave_beacon_signal: average beacon signal
 244 * @last_cqm_event: rssi of the last cqm event
 245 * @bt_coex_min_thold: minimum threshold for BT coex
 246 * @bt_coex_max_thold: maximum threshold for BT coex
 247 * @last_bt_coex_event: rssi of the last BT coex event
 248 */
 249 struct iwl_mvm_vif_bf_data {
 250         bool bf_enabled;
 251         bool ba_enabled;
 252         s8 ave_beacon_signal;
 253         s8 last_cqm_event;
 254         s8 bt_coex_min_thold;
 255         s8 bt_coex_max_thold;
 256         s8 last_bt_coex_event;
 257 };
 258
 259 /**
 260  * struct iwl_mvm_vif - data per Virtual Interface, it is a MAC context
 261  * @id: between 0 and 3
 262  * @color: to solve races upon MAC addition and removal
 263  * @ap_sta_id: the sta_id of the AP - valid only if VIF type is STA
 264  * @uploaded: indicates the MAC context has been added to the device
 265  * @ap_ibss_active: indicates that AP/IBSS is configured and that the interface
 266  *      should get quota etc.
 267  * @pm_enabled - Indicate if MAC power management is allowed
 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 pm_enabled;
 287         bool monitor_active;
 288         bool low_latency;
 289         struct iwl_mvm_vif_bf_data bf_data;
 290
 291         u32 ap_beacon_time;
 292
 293         enum iwl_tsf_id tsf_id;
 294
 295         /*
 296          * QoS data from mac80211, need to store this here
 297          * as mac80211 has a separate callback but we need
 298          * to have the data for the MAC context
 299          */
 300         struct ieee80211_tx_queue_params queue_params[IEEE80211_NUM_ACS];
 301         struct iwl_mvm_time_event_data time_event_data;
 302
 303         struct iwl_mvm_int_sta bcast_sta;
 304
 305         /*
 306          * Assigned while mac80211 has the interface in a channel context,
 307          * or, for P2P Device, while it exists.
 308          */
 309         struct iwl_mvm_phy_ctxt *phy_ctxt;
 310
 311 #ifdef CONFIG_PM_SLEEP
 312         /* WoWLAN GTK rekey data */
 313         struct {
 314                 u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN];
 315                 __le64 replay_ctr;
 316                 bool valid;
 317         } rekey_data;
 318
 319         int tx_key_idx;
 320
 321         bool seqno_valid;
 322         u16 seqno;
 323 #endif
 324
 325 #if IS_ENABLED(CONFIG_IPV6)
 326         /* IPv6 addresses for WoWLAN */
 327         struct in6_addr target_ipv6_addrs[IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_MAX];
 328         int num_target_ipv6_addrs;
 329 #endif
 330
 331 #ifdef CONFIG_IWLWIFI_DEBUGFS
 332         struct iwl_mvm *mvm;
 333         struct dentry *dbgfs_dir;
 334         struct dentry *dbgfs_slink;
 335         struct iwl_dbgfs_pm dbgfs_pm;
 336         struct iwl_dbgfs_bf dbgfs_bf;
 337         struct iwl_mac_power_cmd mac_pwr_cmd;
 338 #endif
 339
 340         enum ieee80211_smps_mode smps_requests[NUM_IWL_MVM_SMPS_REQ];
 341
 342         /* FW identified misbehaving AP */
 343         u8 uapsd_misbehaving_bssid[ETH_ALEN];
 344 };
 345
 346 static inline struct iwl_mvm_vif *
 347 iwl_mvm_vif_from_mac80211(struct ieee80211_vif *vif)
 348 {
 349         return (void *)vif->drv_priv;
 350 }
 351
 352 extern const u8 tid_to_mac80211_ac[];
 353
 354 enum iwl_scan_status {
 355         IWL_MVM_SCAN_NONE,
 356         IWL_MVM_SCAN_OS,
 357         IWL_MVM_SCAN_SCHED,
 358 };
 359
 360 /**
 361  * struct iwl_nvm_section - describes an NVM section in memory.
 362  *
 363  * This struct holds an NVM section read from the NIC using NVM_ACCESS_CMD,
 364  * and saved for later use by the driver. Not all NVM sections are saved
 365  * this way, only the needed ones.
 366  */
 367 struct iwl_nvm_section {
 368         u16 length;
 369         const u8 *data;
 370 };
 371
 372 /*
 373  * Tx-backoff threshold
 374  * @temperature: The threshold in Celsius
 375  * @backoff: The tx-backoff in uSec
 376  */
 377 struct iwl_tt_tx_backoff {
 378         s32 temperature;
 379         u32 backoff;
 380 };
 381
 382 #define TT_TX_BACKOFF_SIZE 6
 383
 384 /**
 385  * struct iwl_tt_params - thermal throttling parameters
 386  * @ct_kill_entry: CT Kill entry threshold
 387  * @ct_kill_exit: CT Kill exit threshold
 388  * @ct_kill_duration: The time  intervals (in uSec) in which the driver needs
 389  *      to checks whether to exit CT Kill.
 390  * @dynamic_smps_entry: Dynamic SMPS entry threshold
 391  * @dynamic_smps_exit: Dynamic SMPS exit threshold
 392  * @tx_protection_entry: TX protection entry threshold
 393  * @tx_protection_exit: TX protection exit threshold
 394  * @tx_backoff: Array of thresholds for tx-backoff , in ascending order.
 395  * @support_ct_kill: Support CT Kill?
 396  * @support_dynamic_smps: Support dynamic SMPS?
 397  * @support_tx_protection: Support tx protection?
 398  * @support_tx_backoff: Support tx-backoff?
 399  */
 400 struct iwl_tt_params {
 401         s32 ct_kill_entry;
 402         s32 ct_kill_exit;
 403         u32 ct_kill_duration;
 404         s32 dynamic_smps_entry;
 405         s32 dynamic_smps_exit;
 406         s32 tx_protection_entry;
 407         s32 tx_protection_exit;
 408         struct iwl_tt_tx_backoff tx_backoff[TT_TX_BACKOFF_SIZE];
 409         bool support_ct_kill;
 410         bool support_dynamic_smps;
 411         bool support_tx_protection;
 412         bool support_tx_backoff;
 413 };
 414
 415 /**
 416  * struct iwl_mvm_tt_mgnt - Thermal Throttling Management structure
 417  * @ct_kill_exit: worker to exit thermal kill
 418  * @dynamic_smps: Is thermal throttling enabled dynamic_smps?
 419  * @tx_backoff: The current thremal throttling tx backoff in uSec.
 420  * @min_backoff: The minimal tx backoff due to power restrictions
 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         u32 min_backoff;
 429         const struct iwl_tt_params *params;
 430         bool throttle;
 431 };
 432
 433 #define IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES 8
 434
 435 struct iwl_mvm_frame_stats {
 436         u32 legacy_frames;
 437         u32 ht_frames;
 438         u32 vht_frames;
 439         u32 bw_20_frames;
 440         u32 bw_40_frames;
 441         u32 bw_80_frames;
 442         u32 bw_160_frames;
 443         u32 sgi_frames;
 444         u32 ngi_frames;
 445         u32 siso_frames;
 446         u32 mimo2_frames;
 447         u32 agg_frames;
 448         u32 ampdu_count;
 449         u32 success_frames;
 450         u32 fail_frames;
 451         u32 last_rates[IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES];
 452         int last_frame_idx;
 453 };
 454
 455 enum {
 456         D0I3_DEFER_WAKEUP,
 457         D0I3_PENDING_WAKEUP,
 458 };
 459
 460 struct iwl_mvm {
 461         /* for logger access */
 462         struct device *dev;
 463
 464         struct iwl_trans *trans;
 465         const struct iwl_fw *fw;
 466         const struct iwl_cfg *cfg;
 467         struct iwl_phy_db *phy_db;
 468         struct ieee80211_hw *hw;
 469
 470         /* for protecting access to iwl_mvm */
 471         struct mutex mutex;
 472         struct list_head async_handlers_list;
 473         spinlock_t async_handlers_lock;
 474         struct work_struct async_handlers_wk;
 475
 476         struct work_struct roc_done_wk;
 477
 478         unsigned long status;
 479
 480         /*
 481          * for beacon filtering -
 482          * currently only one interface can be supported
 483          */
 484         struct iwl_mvm_vif *bf_allowed_vif;
 485
 486         enum iwl_ucode_type cur_ucode;
 487         bool ucode_loaded;
 488         bool init_ucode_complete;
 489         u32 error_event_table;
 490         u32 log_event_table;
 491         u32 umac_error_event_table;
 492         bool support_umac_log;
 493         struct iwl_sf_region sf_space;
 494
 495         u32 ampdu_ref;
 496
 497         struct iwl_notif_wait_data notif_wait;
 498
 499         struct mvm_statistics_rx rx_stats;
 500
 501         unsigned long transport_queue_stop;
 502         u8 queue_to_mac80211[IWL_MAX_HW_QUEUES];
 503         atomic_t queue_stop_count[IWL_MAX_HW_QUEUES];
 504
 505         const char *nvm_file_name;
 506         struct iwl_nvm_data *nvm_data;
 507         /* NVM sections */
 508         struct iwl_nvm_section nvm_sections[NVM_MAX_NUM_SECTIONS];
 509
 510         /* EEPROM MAC addresses */
 511         struct mac_address addresses[IWL_MVM_MAX_ADDRESSES];
 512
 513         /* data related to data path */
 514         struct iwl_rx_phy_info last_phy_info;
 515         struct ieee80211_sta __rcu *fw_id_to_mac_id[IWL_MVM_STATION_COUNT];
 516         struct work_struct sta_drained_wk;
 517         unsigned long sta_drained[BITS_TO_LONGS(IWL_MVM_STATION_COUNT)];
 518         atomic_t pending_frames[IWL_MVM_STATION_COUNT];
 519         u8 rx_ba_sessions;
 520
 521         /* configured by mac80211 */
 522         u32 rts_threshold;
 523
 524         /* Scan status, cmd (pre-allocated) and auxiliary station */
 525         enum iwl_scan_status scan_status;
 526         struct iwl_scan_cmd *scan_cmd;
 527         struct iwl_mcast_filter_cmd *mcast_filter_cmd;
 528
 529         /* rx chain antennas set through debugfs for the scan command */
 530         u8 scan_rx_ant;
 531
 532 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
 533         /* broadcast filters to configure for each associated station */
 534         const struct iwl_fw_bcast_filter *bcast_filters;
 535 #ifdef CONFIG_IWLWIFI_DEBUGFS
 536         struct {
 537                 u32 override; /* u32 for debugfs_create_bool */
 538                 struct iwl_bcast_filter_cmd cmd;
 539         } dbgfs_bcast_filtering;
 540 #endif
 541 #endif
 542
 543         /* Internal station */
 544         struct iwl_mvm_int_sta aux_sta;
 545
 546         bool last_ebs_successful;
 547
 548         u8 scan_last_antenna_idx; /* to toggle TX between antennas */
 549         u8 mgmt_last_antenna_idx;
 550
 551         /* last smart fifo state that was successfully sent to firmware */
 552         enum iwl_sf_state sf_state;
 553
 554 #ifdef CONFIG_IWLWIFI_DEBUGFS
 555         struct dentry *debugfs_dir;
 556         u32 dbgfs_sram_offset, dbgfs_sram_len;
 557         u32 dbgfs_prph_reg_addr;
 558         bool disable_power_off;
 559         bool disable_power_off_d3;
 560
 561         struct debugfs_blob_wrapper nvm_hw_blob;
 562         struct debugfs_blob_wrapper nvm_sw_blob;
 563         struct debugfs_blob_wrapper nvm_calib_blob;
 564         struct debugfs_blob_wrapper nvm_prod_blob;
 565
 566         struct iwl_mvm_frame_stats drv_rx_stats;
 567         spinlock_t drv_stats_lock;
 568 #endif
 569
 570         struct iwl_mvm_phy_ctxt phy_ctxts[NUM_PHY_CTX];
 571
 572         struct list_head time_event_list;
 573         spinlock_t time_event_lock;
 574
 575         /*
 576          * A bitmap indicating the index of the key in use. The firmware
 577          * can hold 16 keys at most. Reflect this fact.
 578          */
 579         unsigned long fw_key_table[BITS_TO_LONGS(STA_KEY_MAX_NUM)];
 580
 581         /* A bitmap of reference types taken by the driver. */
 582         unsigned long ref_bitmap[BITS_TO_LONGS(IWL_MVM_REF_COUNT)];
 583
 584         u8 vif_count;
 585
 586         /* -1 for always, 0 for never, >0 for that many times */
 587         s8 restart_fw;
 588         void *fw_error_dump;
 589         void *fw_error_sram;
 590         u32 fw_error_sram_len;
 591         u32 *fw_error_rxf;
 592         u32 fw_error_rxf_len;
 593
 594 #ifdef CONFIG_IWLWIFI_LEDS
 595         struct led_classdev led;
 596 #endif
 597
 598         struct ieee80211_vif *p2p_device_vif;
 599
 600 #ifdef CONFIG_PM_SLEEP
 601         struct wiphy_wowlan_support wowlan;
 602         int gtk_ivlen, gtk_icvlen, ptk_ivlen, ptk_icvlen;
 603 #ifdef CONFIG_IWLWIFI_DEBUGFS
 604         u32 d3_wake_sysassert; /* must be u32 for debugfs_create_bool */
 605         bool d3_test_active;
 606         bool store_d3_resume_sram;
 607         void *d3_resume_sram;
 608         u32 d3_test_pme_ptr;
 609         struct ieee80211_vif *keep_vif;
 610 #endif
 611 #endif
 612
 613         /* d0i3 */
 614         u8 d0i3_ap_sta_id;
 615         bool d0i3_offloading;
 616         struct work_struct d0i3_exit_work;
 617         struct sk_buff_head d0i3_tx;
 618         /* protect d0i3_suspend_flags */
 619         struct mutex d0i3_suspend_mutex;
 620         unsigned long d0i3_suspend_flags;
 621         /* sync d0i3_tx queue and IWL_MVM_STATUS_IN_D0I3 status flag */
 622         spinlock_t d0i3_tx_lock;
 623         wait_queue_head_t d0i3_exit_waitq;
 624
 625         /* BT-Coex */
 626         u8 bt_kill_msk;
 627         struct iwl_bt_coex_profile_notif last_bt_notif;
 628         struct iwl_bt_coex_ci_cmd last_bt_ci_cmd;
 629         u32 last_ant_isol;
 630         u8 last_corun_lut;
 631         u8 bt_tx_prio;
 632
 633         /* Thermal Throttling and CTkill */
 634         struct iwl_mvm_tt_mgmt thermal_throttle;
 635         s32 temperature;        /* Celsius */
 636
 637 #ifdef CONFIG_NL80211_TESTMODE
 638         u32 noa_duration;
 639         struct ieee80211_vif *noa_vif;
 640 #endif
 641
 642         /* Tx queues */
 643         u8 aux_queue;
 644         u8 first_agg_queue;
 645         u8 last_agg_queue;
 646
 647         /* Indicate if device power save is allowed */
 648         bool ps_disabled;
 649
 650         struct ieee80211_vif *csa_vif;
 651 };
 652
 653 /* Extract MVM priv from op_mode and _hw */
 654 #define IWL_OP_MODE_GET_MVM(_iwl_op_mode)               \
 655         ((struct iwl_mvm *)(_iwl_op_mode)->op_mode_specific)
 656
 657 #define IWL_MAC80211_GET_MVM(_hw)                       \
 658         IWL_OP_MODE_GET_MVM((struct iwl_op_mode *)((_hw)->priv))
 659
 660 enum iwl_mvm_status {
 661         IWL_MVM_STATUS_HW_RFKILL,
 662         IWL_MVM_STATUS_HW_CTKILL,
 663         IWL_MVM_STATUS_ROC_RUNNING,
 664         IWL_MVM_STATUS_IN_HW_RESTART,
 665         IWL_MVM_STATUS_IN_D0I3,
 666 };
 667
 668 static inline bool iwl_mvm_is_radio_killed(struct iwl_mvm *mvm)
 669 {
 670         return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status) ||
 671                test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
 672 }
 673
 674 static inline struct iwl_mvm_sta *
 675 iwl_mvm_sta_from_staid_protected(struct iwl_mvm *mvm, u8 sta_id)
 676 {
 677         struct ieee80211_sta *sta;
 678
 679         if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
 680                 return NULL;
 681
 682         sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id],
 683                                         lockdep_is_held(&mvm->mutex));
 684
 685         /* This can happen if the station has been removed right now */
 686         if (IS_ERR_OR_NULL(sta))
 687                 return NULL;
 688
 689         return iwl_mvm_sta_from_mac80211(sta);
 690 }
 691
 692 static inline bool iwl_mvm_is_d0i3_supported(struct iwl_mvm *mvm)
 693 {
 694         return mvm->trans->cfg->d0i3 &&
 695                (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_D0I3_SUPPORT);
 696 }
 697
 698 extern const u8 iwl_mvm_ac_to_tx_fifo[];
 699
 700 struct iwl_rate_info {
 701         u8 plcp;        /* uCode API:  IWL_RATE_6M_PLCP, etc. */
 702         u8 plcp_siso;   /* uCode API:  IWL_RATE_SISO_6M_PLCP, etc. */
 703         u8 plcp_mimo2;  /* uCode API:  IWL_RATE_MIMO2_6M_PLCP, etc. */
 704         u8 plcp_mimo3;  /* uCode API:  IWL_RATE_MIMO3_6M_PLCP, etc. */
 705         u8 ieee;        /* MAC header:  IWL_RATE_6M_IEEE, etc. */
 706 };
 707
 708 /******************
 709  * MVM Methods
 710  ******************/
 711 /* uCode */
 712 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm);
 713
 714 /* Utils */
 715 int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags,
 716                                         enum ieee80211_band band);
 717 void iwl_mvm_hwrate_to_tx_rate(u32 rate_n_flags,
 718                                enum ieee80211_band band,
 719                                struct ieee80211_tx_rate *r);
 720 u8 iwl_mvm_mac80211_idx_to_hwrate(int rate_idx);
 721 void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm);
 722 #ifdef CONFIG_IWLWIFI_DEBUGFS
 723 void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm);
 724 void iwl_mvm_fw_error_sram_dump(struct iwl_mvm *mvm);
 725 void iwl_mvm_fw_error_rxf_dump(struct iwl_mvm *mvm);
 726 #endif
 727 u8 first_antenna(u8 mask);
 728 u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx);
 729
 730 /* Tx / Host Commands */
 731 int __must_check iwl_mvm_send_cmd(struct iwl_mvm *mvm,
 732                                   struct iwl_host_cmd *cmd);
 733 int __must_check iwl_mvm_send_cmd_pdu(struct iwl_mvm *mvm, u8 id,
 734                                       u32 flags, u16 len, const void *data);
 735 int __must_check iwl_mvm_send_cmd_status(struct iwl_mvm *mvm,
 736                                          struct iwl_host_cmd *cmd,
 737                                          u32 *status);
 738 int __must_check iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u8 id,
 739                                              u16 len, const void *data,
 740                                              u32 *status);
 741 int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb,
 742                    struct ieee80211_sta *sta);
 743 int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb);
 744 #ifdef CONFIG_IWLWIFI_DEBUG
 745 const char *iwl_mvm_get_tx_fail_reason(u32 status);
 746 #else
 747 static inline const char *iwl_mvm_get_tx_fail_reason(u32 status) { return ""; }
 748 #endif
 749 int iwl_mvm_flush_tx_path(struct iwl_mvm *mvm, u32 tfd_msk, bool sync);
 750 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm);
 751
 752 static inline void iwl_mvm_wait_for_async_handlers(struct iwl_mvm *mvm)
 753 {
 754         flush_work(&mvm->async_handlers_wk);
 755 }
 756
 757 /* Statistics */
 758 int iwl_mvm_rx_reply_statistics(struct iwl_mvm *mvm,
 759                                 struct iwl_rx_cmd_buffer *rxb,
 760                                 struct iwl_device_cmd *cmd);
 761 int iwl_mvm_rx_statistics(struct iwl_mvm *mvm,
 762                           struct iwl_rx_cmd_buffer *rxb,
 763                           struct iwl_device_cmd *cmd);
 764
 765 /* NVM */
 766 int iwl_nvm_init(struct iwl_mvm *mvm, bool read_nvm_from_nic);
 767 int iwl_mvm_load_nvm_to_nic(struct iwl_mvm *mvm);
 768
 769 int iwl_mvm_up(struct iwl_mvm *mvm);
 770 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm);
 771
 772 int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm);
 773 bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm,
 774                                     struct iwl_bcast_filter_cmd *cmd);
 775
 776 /*
 777  * FW notifications / CMD responses handlers
 778  * Convention: iwl_mvm_rx_<NAME OF THE CMD>
 779  */
 780 int iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 781                           struct iwl_device_cmd *cmd);
 782 int iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 783                        struct iwl_device_cmd *cmd);
 784 int iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 785                       struct iwl_device_cmd *cmd);
 786 int iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 787                         struct iwl_device_cmd *cmd);
 788 int iwl_mvm_rx_radio_ver(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 789                          struct iwl_device_cmd *cmd);
 790 int iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm,
 791                                   struct iwl_rx_cmd_buffer *rxb,
 792                                   struct iwl_device_cmd *cmd);
 793 int iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 794                           struct iwl_device_cmd *cmd);
 795 int iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
 796                                 struct iwl_rx_cmd_buffer *rxb,
 797                                 struct iwl_device_cmd *cmd);
 798 int iwl_mvm_rx_radio_ver(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 799                          struct iwl_device_cmd *cmd);
 800
 801 /* MVM PHY */
 802 int iwl_mvm_phy_ctxt_add(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
 803                          struct cfg80211_chan_def *chandef,
 804                          u8 chains_static, u8 chains_dynamic);
 805 int iwl_mvm_phy_ctxt_changed(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
 806                              struct cfg80211_chan_def *chandef,
 807                              u8 chains_static, u8 chains_dynamic);
 808 void iwl_mvm_phy_ctxt_ref(struct iwl_mvm *mvm,
 809                           struct iwl_mvm_phy_ctxt *ctxt);
 810 void iwl_mvm_phy_ctxt_unref(struct iwl_mvm *mvm,
 811                             struct iwl_mvm_phy_ctxt *ctxt);
 812
 813 /* MAC (virtual interface) programming */
 814 int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 815 void iwl_mvm_mac_ctxt_release(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 816 int iwl_mvm_mac_ctxt_add(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 817 int iwl_mvm_mac_ctxt_changed(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 818                              bool force_assoc_off);
 819 int iwl_mvm_mac_ctxt_remove(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 820 u32 iwl_mvm_mac_get_queues_mask(struct iwl_mvm *mvm,
 821                                 struct ieee80211_vif *vif);
 822 int iwl_mvm_mac_ctxt_beacon_changed(struct iwl_mvm *mvm,
 823                                     struct ieee80211_vif *vif);
 824 int iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm,
 825                             struct iwl_rx_cmd_buffer *rxb,
 826                             struct iwl_device_cmd *cmd);
 827 int iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm,
 828                                     struct iwl_rx_cmd_buffer *rxb,
 829                                     struct iwl_device_cmd *cmd);
 830 void iwl_mvm_mac_ctxt_recalc_tsf_id(struct iwl_mvm *mvm,
 831                                     struct ieee80211_vif *vif);
 832
 833 /* Bindings */
 834 int iwl_mvm_binding_add_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 835 int iwl_mvm_binding_remove_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 836
 837 /* Quota management */
 838 int iwl_mvm_update_quotas(struct iwl_mvm *mvm, struct ieee80211_vif *newvif);
 839
 840 /* Scanning */
 841 int iwl_mvm_scan_request(struct iwl_mvm *mvm,
 842                          struct ieee80211_vif *vif,
 843                          struct cfg80211_scan_request *req);
 844 int iwl_mvm_rx_scan_response(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 845                              struct iwl_device_cmd *cmd);
 846 int iwl_mvm_rx_scan_complete(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 847                              struct iwl_device_cmd *cmd);
 848 int iwl_mvm_cancel_scan(struct iwl_mvm *mvm);
 849
 850 /* Scheduled scan */
 851 int iwl_mvm_rx_scan_offload_complete_notif(struct iwl_mvm *mvm,
 852                                            struct iwl_rx_cmd_buffer *rxb,
 853                                            struct iwl_device_cmd *cmd);
 854 int iwl_mvm_config_sched_scan(struct iwl_mvm *mvm,
 855                               struct ieee80211_vif *vif,
 856                               struct cfg80211_sched_scan_request *req,
 857                               struct ieee80211_sched_scan_ies *ies);
 858 int iwl_mvm_config_sched_scan_profiles(struct iwl_mvm *mvm,
 859                                        struct cfg80211_sched_scan_request *req);
 860 int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm,
 861                              struct cfg80211_sched_scan_request *req);
 862 int iwl_mvm_sched_scan_stop(struct iwl_mvm *mvm, bool notify);
 863 int iwl_mvm_rx_sched_scan_results(struct iwl_mvm *mvm,
 864                                   struct iwl_rx_cmd_buffer *rxb,
 865                                   struct iwl_device_cmd *cmd);
 866
 867 /* MVM debugfs */
 868 #ifdef CONFIG_IWLWIFI_DEBUGFS
 869 int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir);
 870 void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 871 void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 872 #else
 873 static inline int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm,
 874                                          struct dentry *dbgfs_dir)
 875 {
 876         return 0;
 877 }
 878 static inline void
 879 iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
 880 {
 881 }
 882 static inline void
 883 iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
 884 {
 885 }
 886 #endif /* CONFIG_IWLWIFI_DEBUGFS */
 887
 888 /* rate scaling */
 889 int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool init);
 890 void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm,
 891                                 struct iwl_mvm_frame_stats *stats,
 892                                 u32 rate, bool agg);
 893 int rs_pretty_print_rate(char *buf, const u32 rate);
 894
 895 /* power management */
 896 int iwl_mvm_power_update_device(struct iwl_mvm *mvm);
 897 int iwl_mvm_power_update_mac(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 898 int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 899                                  char *buf, int bufsz);
 900
 901 void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 902 int iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm,
 903                                              struct iwl_rx_cmd_buffer *rxb,
 904                                              struct iwl_device_cmd *cmd);
 905
 906 #ifdef CONFIG_IWLWIFI_LEDS
 907 int iwl_mvm_leds_init(struct iwl_mvm *mvm);
 908 void iwl_mvm_leds_exit(struct iwl_mvm *mvm);
 909 #else
 910 static inline int iwl_mvm_leds_init(struct iwl_mvm *mvm)
 911 {
 912         return 0;
 913 }
 914 static inline void iwl_mvm_leds_exit(struct iwl_mvm *mvm)
 915 {
 916 }
 917 #endif
 918
 919 /* D3 (WoWLAN, NetDetect) */
 920 int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan);
 921 int iwl_mvm_resume(struct ieee80211_hw *hw);
 922 void iwl_mvm_set_wakeup(struct ieee80211_hw *hw, bool enabled);
 923 void iwl_mvm_set_rekey_data(struct ieee80211_hw *hw,
 924                             struct ieee80211_vif *vif,
 925                             struct cfg80211_gtk_rekey_data *data);
 926 void iwl_mvm_ipv6_addr_change(struct ieee80211_hw *hw,
 927                               struct ieee80211_vif *vif,
 928                               struct inet6_dev *idev);
 929 void iwl_mvm_set_default_unicast_key(struct ieee80211_hw *hw,
 930                                      struct ieee80211_vif *vif, int idx);
 931 extern const struct file_operations iwl_dbgfs_d3_test_ops;
 932 #ifdef CONFIG_PM_SLEEP
 933 void iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm,
 934                                  struct ieee80211_vif *vif);
 935 #else
 936 static inline void
 937 iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
 938 {
 939 }
 940 #endif
 941 void iwl_mvm_set_wowlan_qos_seq(struct iwl_mvm_sta *mvm_ap_sta,
 942                                 struct iwl_wowlan_config_cmd_v2 *cmd);
 943 int iwl_mvm_send_proto_offload(struct iwl_mvm *mvm,
 944                                struct ieee80211_vif *vif,
 945                                bool disable_offloading,
 946                                u32 cmd_flags);
 947
 948 /* D0i3 */
 949 void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
 950 void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
 951 void iwl_mvm_d0i3_enable_tx(struct iwl_mvm *mvm, __le16 *qos_seq);
 952 int _iwl_mvm_exit_d0i3(struct iwl_mvm *mvm);
 953
 954 /* BT Coex */
 955 int iwl_send_bt_init_conf(struct iwl_mvm *mvm);
 956 int iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm,
 957                              struct iwl_rx_cmd_buffer *rxb,
 958                              struct iwl_device_cmd *cmd);
 959 void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 960                            enum ieee80211_rssi_event rssi_event);
 961 void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm);
 962 u16 iwl_mvm_coex_agg_time_limit(struct iwl_mvm *mvm,
 963                                 struct ieee80211_sta *sta);
 964 bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm,
 965                                      struct ieee80211_sta *sta);
 966 bool iwl_mvm_bt_coex_is_tpc_allowed(struct iwl_mvm *mvm,
 967                                     enum ieee80211_band band);
 968 u8 iwl_mvm_bt_coex_tx_prio(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr,
 969                            struct ieee80211_tx_info *info, u8 ac);
 970
 971 enum iwl_bt_kill_msk {
 972         BT_KILL_MSK_DEFAULT,
 973         BT_KILL_MSK_SCO_HID_A2DP,
 974         BT_KILL_MSK_REDUCED_TXPOW,
 975         BT_KILL_MSK_MAX,
 976 };
 977 extern const u32 iwl_bt_ack_kill_msk[BT_KILL_MSK_MAX];
 978 extern const u32 iwl_bt_cts_kill_msk[BT_KILL_MSK_MAX];
 979
 980 /* beacon filtering */
 981 #ifdef CONFIG_IWLWIFI_DEBUGFS
 982 void
 983 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
 984                                          struct iwl_beacon_filter_cmd *cmd);
 985 #else
 986 static inline void
 987 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
 988                                          struct iwl_beacon_filter_cmd *cmd)
 989 {}
 990 #endif
 991 int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm,
 992                                    struct ieee80211_vif *vif,
 993                                    bool enable, u32 flags);
 994 int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
 995                                  struct ieee80211_vif *vif,
 996                                  u32 flags);
 997 int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
 998                                   struct ieee80211_vif *vif,
 999                                   u32 flags);
1000 int iwl_mvm_update_beacon_abort(struct iwl_mvm *mvm,
1001                                 struct ieee80211_vif *vif, bool enable);
1002 /* SMPS */
1003 void iwl_mvm_update_smps(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1004                                 enum iwl_mvm_smps_type_request req_type,
1005                                 enum ieee80211_smps_mode smps_request);
1006 bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm *mvm);
1007
1008 /* Low latency */
1009 int iwl_mvm_update_low_latency(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1010                                bool value);
1011 /* get SystemLowLatencyMode - only needed for beacon threshold? */
1012 bool iwl_mvm_low_latency(struct iwl_mvm *mvm);
1013 /* get VMACLowLatencyMode */
1014 static inline bool iwl_mvm_vif_low_latency(struct iwl_mvm_vif *mvmvif)
1015 {
1016         /*
1017          * should this consider associated/active/... state?
1018          *
1019          * Normally low-latency should only be active on interfaces
1020          * that are active, but at least with debugfs it can also be
1021          * enabled on interfaces that aren't active. However, when
1022          * interface aren't active then they aren't added into the
1023          * binding, so this has no real impact. For now, just return
1024          * the current desired low-latency state.
1025          */
1026
1027         return mvmvif->low_latency;
1028 }
1029
1030 /* Assoc status */
1031 bool iwl_mvm_is_idle(struct iwl_mvm *mvm);
1032
1033 /* Thermal management and CT-kill */
1034 void iwl_mvm_tt_tx_backoff(struct iwl_mvm *mvm, u32 backoff);
1035 void iwl_mvm_tt_handler(struct iwl_mvm *mvm);
1036 void iwl_mvm_tt_initialize(struct iwl_mvm *mvm, u32 min_backoff);
1037 void iwl_mvm_tt_exit(struct iwl_mvm *mvm);
1038 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state);
1039
1040 /* smart fifo */
1041 int iwl_mvm_sf_update(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1042                       bool added_vif);
1043
1044 #endif /* __IWL_MVM_H__ */