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

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