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         IWL_MVM_REF_SCAN,
 245
 246         IWL_MVM_REF_COUNT,
 247 };
 248
 249 /**
 250 * struct iwl_mvm_vif_bf_data - beacon filtering related data
 251 * @bf_enabled: indicates if beacon filtering is enabled
 252 * @ba_enabled: indicated if beacon abort is enabled
 253 * @last_beacon_signal: last beacon rssi signal in dbm
 254 * @ave_beacon_signal: average beacon signal
 255 * @last_cqm_event: rssi of the last cqm event
 256 * @bt_coex_min_thold: minimum threshold for BT coex
 257 * @bt_coex_max_thold: maximum threshold for BT coex
 258 * @last_bt_coex_event: rssi of the last BT coex event
 259 */
 260 struct iwl_mvm_vif_bf_data {
 261         bool bf_enabled;
 262         bool ba_enabled;
 263         s8 ave_beacon_signal;
 264         s8 last_cqm_event;
 265         s8 bt_coex_min_thold;
 266         s8 bt_coex_max_thold;
 267         s8 last_bt_coex_event;
 268 };
 269
 270 /**
 271  * struct iwl_mvm_vif - data per Virtual Interface, it is a MAC context
 272  * @id: between 0 and 3
 273  * @color: to solve races upon MAC addition and removal
 274  * @ap_sta_id: the sta_id of the AP - valid only if VIF type is STA
 275  * @uploaded: indicates the MAC context has been added to the device
 276  * @ap_ibss_active: indicates that AP/IBSS is configured and that the interface
 277  *      should get quota etc.
 278  * @monitor_active: indicates that monitor context is configured, and that the
 279  *      interface should get quota etc.
 280  * @low_latency: indicates that this interface is in low-latency mode
 281  *      (VMACLowLatencyMode)
 282  * @queue_params: QoS params for this MAC
 283  * @bcast_sta: station used for broadcast packets. Used by the following
 284  *  vifs: P2P_DEVICE, GO and AP.
 285  * @beacon_skb: the skb used to hold the AP/GO beacon template
 286  * @smps_requests: the SMPS requests of differents parts of the driver,
 287  *      combined on update to yield the overall request to mac80211.
 288  */
 289 struct iwl_mvm_vif {
 290         u16 id;
 291         u16 color;
 292         u8 ap_sta_id;
 293
 294         bool uploaded;
 295         bool ap_ibss_active;
 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
 333 #if IS_ENABLED(CONFIG_IPV6)
 334         /* IPv6 addresses for WoWLAN */
 335         struct in6_addr target_ipv6_addrs[IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_MAX];
 336         int num_target_ipv6_addrs;
 337 #endif
 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 #endif
 347
 348         enum ieee80211_smps_mode smps_requests[NUM_IWL_MVM_SMPS_REQ];
 349
 350         /* FW identified misbehaving AP */
 351         u8 uapsd_misbehaving_bssid[ETH_ALEN];
 352
 353         bool pm_prevented;
 354 };
 355
 356 static inline struct iwl_mvm_vif *
 357 iwl_mvm_vif_from_mac80211(struct ieee80211_vif *vif)
 358 {
 359         return (void *)vif->drv_priv;
 360 }
 361
 362 enum iwl_scan_status {
 363         IWL_MVM_SCAN_NONE,
 364         IWL_MVM_SCAN_OS,
 365         IWL_MVM_SCAN_SCHED,
 366 };
 367
 368 /**
 369  * struct iwl_nvm_section - describes an NVM section in memory.
 370  *
 371  * This struct holds an NVM section read from the NIC using NVM_ACCESS_CMD,
 372  * and saved for later use by the driver. Not all NVM sections are saved
 373  * this way, only the needed ones.
 374  */
 375 struct iwl_nvm_section {
 376         u16 length;
 377         const u8 *data;
 378 };
 379
 380 /*
 381  * Tx-backoff threshold
 382  * @temperature: The threshold in Celsius
 383  * @backoff: The tx-backoff in uSec
 384  */
 385 struct iwl_tt_tx_backoff {
 386         s32 temperature;
 387         u32 backoff;
 388 };
 389
 390 #define TT_TX_BACKOFF_SIZE 6
 391
 392 /**
 393  * struct iwl_tt_params - thermal throttling parameters
 394  * @ct_kill_entry: CT Kill entry threshold
 395  * @ct_kill_exit: CT Kill exit threshold
 396  * @ct_kill_duration: The time  intervals (in uSec) in which the driver needs
 397  *      to checks whether to exit CT Kill.
 398  * @dynamic_smps_entry: Dynamic SMPS entry threshold
 399  * @dynamic_smps_exit: Dynamic SMPS exit threshold
 400  * @tx_protection_entry: TX protection entry threshold
 401  * @tx_protection_exit: TX protection exit threshold
 402  * @tx_backoff: Array of thresholds for tx-backoff , in ascending order.
 403  * @support_ct_kill: Support CT Kill?
 404  * @support_dynamic_smps: Support dynamic SMPS?
 405  * @support_tx_protection: Support tx protection?
 406  * @support_tx_backoff: Support tx-backoff?
 407  */
 408 struct iwl_tt_params {
 409         s32 ct_kill_entry;
 410         s32 ct_kill_exit;
 411         u32 ct_kill_duration;
 412         s32 dynamic_smps_entry;
 413         s32 dynamic_smps_exit;
 414         s32 tx_protection_entry;
 415         s32 tx_protection_exit;
 416         struct iwl_tt_tx_backoff tx_backoff[TT_TX_BACKOFF_SIZE];
 417         bool support_ct_kill;
 418         bool support_dynamic_smps;
 419         bool support_tx_protection;
 420         bool support_tx_backoff;
 421 };
 422
 423 /**
 424  * struct iwl_mvm_tt_mgnt - Thermal Throttling Management structure
 425  * @ct_kill_exit: worker to exit thermal kill
 426  * @dynamic_smps: Is thermal throttling enabled dynamic_smps?
 427  * @tx_backoff: The current thremal throttling tx backoff in uSec.
 428  * @min_backoff: The minimal tx backoff due to power restrictions
 429  * @params: Parameters to configure the thermal throttling algorithm.
 430  * @throttle: Is thermal throttling is active?
 431  */
 432 struct iwl_mvm_tt_mgmt {
 433         struct delayed_work ct_kill_exit;
 434         bool dynamic_smps;
 435         u32 tx_backoff;
 436         u32 min_backoff;
 437         const struct iwl_tt_params *params;
 438         bool throttle;
 439 };
 440
 441 struct iwl_mvm {
 442         /* for logger access */
 443         struct device *dev;
 444
 445         struct iwl_trans *trans;
 446         const struct iwl_fw *fw;
 447         const struct iwl_cfg *cfg;
 448         struct iwl_phy_db *phy_db;
 449         struct ieee80211_hw *hw;
 450
 451         /* for protecting access to iwl_mvm */
 452         struct mutex mutex;
 453         struct list_head async_handlers_list;
 454         spinlock_t async_handlers_lock;
 455         struct work_struct async_handlers_wk;
 456
 457         struct work_struct roc_done_wk;
 458
 459         unsigned long status;
 460
 461         /*
 462          * for beacon filtering -
 463          * currently only one interface can be supported
 464          */
 465         struct iwl_mvm_vif *bf_allowed_vif;
 466
 467         enum iwl_ucode_type cur_ucode;
 468         bool ucode_loaded;
 469         bool init_ucode_complete;
 470         u32 error_event_table;
 471         u32 log_event_table;
 472
 473         u32 ampdu_ref;
 474
 475         struct iwl_notif_wait_data notif_wait;
 476
 477         struct mvm_statistics_rx rx_stats;
 478
 479         unsigned long transport_queue_stop;
 480         u8 queue_to_mac80211[IWL_MAX_HW_QUEUES];
 481         atomic_t queue_stop_count[IWL_MAX_HW_QUEUES];
 482
 483         struct iwl_nvm_data *nvm_data;
 484         /* NVM sections */
 485         struct iwl_nvm_section nvm_sections[NVM_MAX_NUM_SECTIONS];
 486
 487         /* EEPROM MAC addresses */
 488         struct mac_address addresses[IWL_MVM_MAX_ADDRESSES];
 489
 490         /* data related to data path */
 491         struct iwl_rx_phy_info last_phy_info;
 492         struct ieee80211_sta __rcu *fw_id_to_mac_id[IWL_MVM_STATION_COUNT];
 493         struct work_struct sta_drained_wk;
 494         unsigned long sta_drained[BITS_TO_LONGS(IWL_MVM_STATION_COUNT)];
 495         atomic_t pending_frames[IWL_MVM_STATION_COUNT];
 496         u8 rx_ba_sessions;
 497
 498         /* configured by mac80211 */
 499         u32 rts_threshold;
 500
 501         /* Scan status, cmd (pre-allocated) and auxiliary station */
 502         enum iwl_scan_status scan_status;
 503         struct iwl_scan_cmd *scan_cmd;
 504         struct iwl_mcast_filter_cmd *mcast_filter_cmd;
 505
 506         /* rx chain antennas set through debugfs for the scan command */
 507         u8 scan_rx_ant;
 508
 509 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
 510         /* broadcast filters to configure for each associated station */
 511         const struct iwl_fw_bcast_filter *bcast_filters;
 512 #ifdef CONFIG_IWLWIFI_DEBUGFS
 513         struct {
 514                 u32 override; /* u32 for debugfs_create_bool */
 515                 struct iwl_bcast_filter_cmd cmd;
 516         } dbgfs_bcast_filtering;
 517 #endif
 518 #endif
 519
 520         /* Internal station */
 521         struct iwl_mvm_int_sta aux_sta;
 522
 523         u8 scan_last_antenna_idx; /* to toggle TX between antennas */
 524         u8 mgmt_last_antenna_idx;
 525
 526         /* last smart fifo state that was successfully sent to firmware */
 527         enum iwl_sf_state sf_state;
 528
 529 #ifdef CONFIG_IWLWIFI_DEBUGFS
 530         struct dentry *debugfs_dir;
 531         u32 dbgfs_sram_offset, dbgfs_sram_len;
 532         bool disable_power_off;
 533         bool disable_power_off_d3;
 534
 535         struct debugfs_blob_wrapper nvm_hw_blob;
 536         struct debugfs_blob_wrapper nvm_sw_blob;
 537         struct debugfs_blob_wrapper nvm_calib_blob;
 538         struct debugfs_blob_wrapper nvm_prod_blob;
 539 #endif
 540
 541         struct iwl_mvm_phy_ctxt phy_ctxts[NUM_PHY_CTX];
 542
 543         struct list_head time_event_list;
 544         spinlock_t time_event_lock;
 545
 546         /*
 547          * A bitmap indicating the index of the key in use. The firmware
 548          * can hold 16 keys at most. Reflect this fact.
 549          */
 550         unsigned long fw_key_table[BITS_TO_LONGS(STA_KEY_MAX_NUM)];
 551
 552         /* A bitmap of reference types taken by the driver. */
 553         unsigned long ref_bitmap[BITS_TO_LONGS(IWL_MVM_REF_COUNT)];
 554
 555         u8 vif_count;
 556
 557         /* -1 for always, 0 for never, >0 for that many times */
 558         s8 restart_fw;
 559
 560         struct led_classdev led;
 561
 562         struct ieee80211_vif *p2p_device_vif;
 563
 564 #ifdef CONFIG_PM_SLEEP
 565         struct wiphy_wowlan_support wowlan;
 566         int gtk_ivlen, gtk_icvlen, ptk_ivlen, ptk_icvlen;
 567 #ifdef CONFIG_IWLWIFI_DEBUGFS
 568         u32 d3_wake_sysassert; /* must be u32 for debugfs_create_bool */
 569         bool d3_test_active;
 570         bool store_d3_resume_sram;
 571         void *d3_resume_sram;
 572         u32 d3_test_pme_ptr;
 573         struct ieee80211_vif *keep_vif;
 574 #endif
 575 #endif
 576
 577         /* BT-Coex */
 578         u8 bt_kill_msk;
 579         struct iwl_bt_coex_profile_notif last_bt_notif;
 580         struct iwl_bt_coex_ci_cmd last_bt_ci_cmd;
 581
 582         /* Thermal Throttling and CTkill */
 583         struct iwl_mvm_tt_mgmt thermal_throttle;
 584         s32 temperature;        /* Celsius */
 585
 586         const struct iwl_mvm_power_ops *pm_ops;
 587
 588 #ifdef CONFIG_NL80211_TESTMODE
 589         u32 noa_duration;
 590         struct ieee80211_vif *noa_vif;
 591 #endif
 592
 593         /* Tx queues */
 594         u8 aux_queue;
 595         u8 first_agg_queue;
 596         u8 last_agg_queue;
 597
 598         u8 bound_vif_cnt;
 599
 600         /* Indicate if device power save is allowed */
 601         bool ps_prevented;
 602 };
 603
 604 /* Extract MVM priv from op_mode and _hw */
 605 #define IWL_OP_MODE_GET_MVM(_iwl_op_mode)               \
 606         ((struct iwl_mvm *)(_iwl_op_mode)->op_mode_specific)
 607
 608 #define IWL_MAC80211_GET_MVM(_hw)                       \
 609         IWL_OP_MODE_GET_MVM((struct iwl_op_mode *)((_hw)->priv))
 610
 611 enum iwl_mvm_status {
 612         IWL_MVM_STATUS_HW_RFKILL,
 613         IWL_MVM_STATUS_HW_CTKILL,
 614         IWL_MVM_STATUS_ROC_RUNNING,
 615         IWL_MVM_STATUS_IN_HW_RESTART,
 616 };
 617
 618 static inline bool iwl_mvm_is_radio_killed(struct iwl_mvm *mvm)
 619 {
 620         return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status) ||
 621                test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
 622 }
 623
 624 static inline struct iwl_mvm_sta *
 625 iwl_mvm_sta_from_staid_protected(struct iwl_mvm *mvm, u8 sta_id)
 626 {
 627         struct ieee80211_sta *sta;
 628
 629         if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
 630                 return NULL;
 631
 632         sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id],
 633                                         lockdep_is_held(&mvm->mutex));
 634
 635         /* This can happen if the station has been removed right now */
 636         if (IS_ERR_OR_NULL(sta))
 637                 return NULL;
 638
 639         return iwl_mvm_sta_from_mac80211(sta);
 640 }
 641
 642 extern const u8 iwl_mvm_ac_to_tx_fifo[];
 643
 644 struct iwl_rate_info {
 645         u8 plcp;        /* uCode API:  IWL_RATE_6M_PLCP, etc. */
 646         u8 plcp_siso;   /* uCode API:  IWL_RATE_SISO_6M_PLCP, etc. */
 647         u8 plcp_mimo2;  /* uCode API:  IWL_RATE_MIMO2_6M_PLCP, etc. */
 648         u8 plcp_mimo3;  /* uCode API:  IWL_RATE_MIMO3_6M_PLCP, etc. */
 649         u8 ieee;        /* MAC header:  IWL_RATE_6M_IEEE, etc. */
 650 };
 651
 652 /******************
 653  * MVM Methods
 654  ******************/
 655 /* uCode */
 656 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm);
 657
 658 /* Utils */
 659 int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags,
 660                                         enum ieee80211_band band);
 661 void iwl_mvm_hwrate_to_tx_rate(u32 rate_n_flags,
 662                                enum ieee80211_band band,
 663                                struct ieee80211_tx_rate *r);
 664 u8 iwl_mvm_mac80211_idx_to_hwrate(int rate_idx);
 665 void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm);
 666 void iwl_mvm_dump_sram(struct iwl_mvm *mvm);
 667 u8 first_antenna(u8 mask);
 668 u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx);
 669
 670 /* Tx / Host Commands */
 671 int __must_check iwl_mvm_send_cmd(struct iwl_mvm *mvm,
 672                                   struct iwl_host_cmd *cmd);
 673 int __must_check iwl_mvm_send_cmd_pdu(struct iwl_mvm *mvm, u8 id,
 674                                       u32 flags, u16 len, const void *data);
 675 int __must_check iwl_mvm_send_cmd_status(struct iwl_mvm *mvm,
 676                                          struct iwl_host_cmd *cmd,
 677                                          u32 *status);
 678 int __must_check iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u8 id,
 679                                              u16 len, const void *data,
 680                                              u32 *status);
 681 int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb,
 682                    struct ieee80211_sta *sta);
 683 int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb);
 684 #ifdef CONFIG_IWLWIFI_DEBUG
 685 const char *iwl_mvm_get_tx_fail_reason(u32 status);
 686 #else
 687 static inline const char *iwl_mvm_get_tx_fail_reason(u32 status) { return ""; }
 688 #endif
 689 int iwl_mvm_flush_tx_path(struct iwl_mvm *mvm, u32 tfd_msk, bool sync);
 690 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm);
 691
 692 /* Statistics */
 693 int iwl_mvm_rx_reply_statistics(struct iwl_mvm *mvm,
 694                                 struct iwl_rx_cmd_buffer *rxb,
 695                                 struct iwl_device_cmd *cmd);
 696 int iwl_mvm_rx_statistics(struct iwl_mvm *mvm,
 697                           struct iwl_rx_cmd_buffer *rxb,
 698                           struct iwl_device_cmd *cmd);
 699
 700 /* NVM */
 701 int iwl_nvm_init(struct iwl_mvm *mvm);
 702 int iwl_mvm_load_nvm_to_nic(struct iwl_mvm *mvm);
 703
 704 int iwl_mvm_up(struct iwl_mvm *mvm);
 705 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm);
 706
 707 int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm);
 708 bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm,
 709                                     struct iwl_bcast_filter_cmd *cmd);
 710
 711 /*
 712  * FW notifications / CMD responses handlers
 713  * Convention: iwl_mvm_rx_<NAME OF THE CMD>
 714  */
 715 int iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 716                           struct iwl_device_cmd *cmd);
 717 int iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 718                        struct iwl_device_cmd *cmd);
 719 int iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 720                       struct iwl_device_cmd *cmd);
 721 int iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 722                         struct iwl_device_cmd *cmd);
 723 int iwl_mvm_rx_radio_ver(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 724                          struct iwl_device_cmd *cmd);
 725 int iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 726                           struct iwl_device_cmd *cmd);
 727 int iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
 728                                 struct iwl_rx_cmd_buffer *rxb,
 729                                 struct iwl_device_cmd *cmd);
 730 int iwl_mvm_rx_radio_ver(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 731                          struct iwl_device_cmd *cmd);
 732
 733 /* MVM PHY */
 734 int iwl_mvm_phy_ctxt_add(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
 735                          struct cfg80211_chan_def *chandef,
 736                          u8 chains_static, u8 chains_dynamic);
 737 int iwl_mvm_phy_ctxt_changed(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
 738                              struct cfg80211_chan_def *chandef,
 739                              u8 chains_static, u8 chains_dynamic);
 740 void iwl_mvm_phy_ctxt_ref(struct iwl_mvm *mvm,
 741                           struct iwl_mvm_phy_ctxt *ctxt);
 742 void iwl_mvm_phy_ctxt_unref(struct iwl_mvm *mvm,
 743                             struct iwl_mvm_phy_ctxt *ctxt);
 744
 745 /* MAC (virtual interface) programming */
 746 int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 747 void iwl_mvm_mac_ctxt_release(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 748 int iwl_mvm_mac_ctxt_add(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 749 int iwl_mvm_mac_ctxt_changed(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 750 int iwl_mvm_mac_ctxt_remove(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 751 u32 iwl_mvm_mac_get_queues_mask(struct iwl_mvm *mvm,
 752                                 struct ieee80211_vif *vif);
 753 int iwl_mvm_mac_ctxt_beacon_changed(struct iwl_mvm *mvm,
 754                                     struct ieee80211_vif *vif);
 755 int iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm,
 756                             struct iwl_rx_cmd_buffer *rxb,
 757                             struct iwl_device_cmd *cmd);
 758 int iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm,
 759                                     struct iwl_rx_cmd_buffer *rxb,
 760                                     struct iwl_device_cmd *cmd);
 761 void iwl_mvm_mac_ctxt_recalc_tsf_id(struct iwl_mvm *mvm,
 762                                     struct ieee80211_vif *vif);
 763
 764 /* Bindings */
 765 int iwl_mvm_binding_add_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 766 int iwl_mvm_binding_remove_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 767
 768 /* Quota management */
 769 int iwl_mvm_update_quotas(struct iwl_mvm *mvm, struct ieee80211_vif *newvif);
 770
 771 /* Scanning */
 772 int iwl_mvm_scan_request(struct iwl_mvm *mvm,
 773                          struct ieee80211_vif *vif,
 774                          struct cfg80211_scan_request *req);
 775 int iwl_mvm_rx_scan_response(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 776                              struct iwl_device_cmd *cmd);
 777 int iwl_mvm_rx_scan_complete(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 778                              struct iwl_device_cmd *cmd);
 779 void iwl_mvm_cancel_scan(struct iwl_mvm *mvm);
 780
 781 /* Scheduled scan */
 782 int iwl_mvm_rx_scan_offload_complete_notif(struct iwl_mvm *mvm,
 783                                            struct iwl_rx_cmd_buffer *rxb,
 784                                            struct iwl_device_cmd *cmd);
 785 int iwl_mvm_config_sched_scan(struct iwl_mvm *mvm,
 786                               struct ieee80211_vif *vif,
 787                               struct cfg80211_sched_scan_request *req,
 788                               struct ieee80211_sched_scan_ies *ies);
 789 int iwl_mvm_config_sched_scan_profiles(struct iwl_mvm *mvm,
 790                                        struct cfg80211_sched_scan_request *req);
 791 int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm,
 792                              struct cfg80211_sched_scan_request *req);
 793 void iwl_mvm_sched_scan_stop(struct iwl_mvm *mvm);
 794 int iwl_mvm_rx_sched_scan_results(struct iwl_mvm *mvm,
 795                                   struct iwl_rx_cmd_buffer *rxb,
 796                                   struct iwl_device_cmd *cmd);
 797
 798 /* MVM debugfs */
 799 #ifdef CONFIG_IWLWIFI_DEBUGFS
 800 int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir);
 801 void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 802 void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 803 #else
 804 static inline int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm,
 805                                          struct dentry *dbgfs_dir)
 806 {
 807         return 0;
 808 }
 809 static inline void
 810 iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
 811 {
 812 }
 813 static inline void
 814 iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
 815 {
 816 }
 817 #endif /* CONFIG_IWLWIFI_DEBUGFS */
 818
 819 /* rate scaling */
 820 int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool init);
 821
 822 /* power managment */
 823 static inline int iwl_mvm_power_update_mode(struct iwl_mvm *mvm,
 824                                             struct ieee80211_vif *vif)
 825 {
 826         return mvm->pm_ops->power_update_mode(mvm, vif);
 827 }
 828
 829 static inline int iwl_mvm_power_disable(struct iwl_mvm *mvm,
 830                                         struct ieee80211_vif *vif)
 831 {
 832         return mvm->pm_ops->power_disable(mvm, vif);
 833 }
 834
 835 static inline int iwl_mvm_power_update_device_mode(struct iwl_mvm *mvm)
 836 {
 837         if (mvm->pm_ops->power_update_device_mode)
 838                 return mvm->pm_ops->power_update_device_mode(mvm);
 839         return 0;
 840 }
 841
 842 static inline void iwl_mvm_power_update_binding(struct iwl_mvm *mvm,
 843                                                 struct ieee80211_vif *vif,
 844                                                 bool assign)
 845 {
 846         if (mvm->pm_ops->power_update_binding)
 847                 mvm->pm_ops->power_update_binding(mvm, vif, assign);
 848 }
 849
 850 void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 851 int iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm,
 852                                              struct iwl_rx_cmd_buffer *rxb,
 853                                              struct iwl_device_cmd *cmd);
 854
 855 #ifdef CONFIG_IWLWIFI_DEBUGFS
 856 static inline int iwl_mvm_power_dbgfs_read(struct iwl_mvm *mvm,
 857                                             struct ieee80211_vif *vif,
 858                                             char *buf, int bufsz)
 859 {
 860         return mvm->pm_ops->power_dbgfs_read(mvm, vif, buf, bufsz);
 861 }
 862 #endif
 863
 864 int iwl_mvm_leds_init(struct iwl_mvm *mvm);
 865 void iwl_mvm_leds_exit(struct iwl_mvm *mvm);
 866
 867 /* D3 (WoWLAN, NetDetect) */
 868 int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan);
 869 int iwl_mvm_resume(struct ieee80211_hw *hw);
 870 void iwl_mvm_set_wakeup(struct ieee80211_hw *hw, bool enabled);
 871 void iwl_mvm_set_rekey_data(struct ieee80211_hw *hw,
 872                             struct ieee80211_vif *vif,
 873                             struct cfg80211_gtk_rekey_data *data);
 874 void iwl_mvm_ipv6_addr_change(struct ieee80211_hw *hw,
 875                               struct ieee80211_vif *vif,
 876                               struct inet6_dev *idev);
 877 void iwl_mvm_set_default_unicast_key(struct ieee80211_hw *hw,
 878                                      struct ieee80211_vif *vif, int idx);
 879 extern const struct file_operations iwl_dbgfs_d3_test_ops;
 880 #ifdef CONFIG_PM_SLEEP
 881 void iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm,
 882                                  struct ieee80211_vif *vif);
 883 #else
 884 static inline void
 885 iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
 886 {
 887 }
 888 #endif
 889
 890 /* D0i3 */
 891 void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
 892 void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
 893
 894 /* BT Coex */
 895 int iwl_send_bt_prio_tbl(struct iwl_mvm *mvm);
 896 int iwl_send_bt_init_conf(struct iwl_mvm *mvm);
 897 int iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm,
 898                              struct iwl_rx_cmd_buffer *rxb,
 899                              struct iwl_device_cmd *cmd);
 900 void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 901                            enum ieee80211_rssi_event rssi_event);
 902 void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm);
 903 u16 iwl_mvm_bt_coex_agg_time_limit(struct iwl_mvm *mvm,
 904                                    struct ieee80211_sta *sta);
 905 bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm,
 906                                      struct ieee80211_sta *sta);
 907 int iwl_mvm_bt_coex_reduced_txp(struct iwl_mvm *mvm, u8 sta_id, bool enable);
 908
 909 enum iwl_bt_kill_msk {
 910         BT_KILL_MSK_DEFAULT,
 911         BT_KILL_MSK_SCO_HID_A2DP,
 912         BT_KILL_MSK_REDUCED_TXPOW,
 913         BT_KILL_MSK_MAX,
 914 };
 915 extern const u32 iwl_bt_ack_kill_msk[BT_KILL_MSK_MAX];
 916 extern const u32 iwl_bt_cts_kill_msk[BT_KILL_MSK_MAX];
 917
 918 /* beacon filtering */
 919 #ifdef CONFIG_IWLWIFI_DEBUGFS
 920 void
 921 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
 922                                          struct iwl_beacon_filter_cmd *cmd);
 923 #else
 924 static inline void
 925 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
 926                                          struct iwl_beacon_filter_cmd *cmd)
 927 {}
 928 #endif
 929 int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm,
 930                                    struct ieee80211_vif *vif,
 931                                    bool enable, u32 flags);
 932 int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
 933                                  struct ieee80211_vif *vif,
 934                                  u32 flags);
 935 int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
 936                                   struct ieee80211_vif *vif,
 937                                   u32 flags);
 938 int iwl_mvm_beacon_filter_send_cmd(struct iwl_mvm *mvm,
 939                                    struct iwl_beacon_filter_cmd *cmd,
 940                                    u32 flags);
 941 int iwl_mvm_update_beacon_abort(struct iwl_mvm *mvm,
 942                                 struct ieee80211_vif *vif, bool enable);
 943 int iwl_mvm_update_beacon_filter(struct iwl_mvm *mvm,
 944                                  struct ieee80211_vif *vif,
 945                                  bool force,
 946                                  u32 flags);
 947
 948 /* SMPS */
 949 void iwl_mvm_update_smps(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 950                                 enum iwl_mvm_smps_type_request req_type,
 951                                 enum ieee80211_smps_mode smps_request);
 952
 953 /* Low latency */
 954 int iwl_mvm_update_low_latency(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 955                                bool value);
 956 /* get VMACLowLatencyMode */
 957 static inline bool iwl_mvm_vif_low_latency(struct iwl_mvm_vif *mvmvif)
 958 {
 959         /*
 960          * should this consider associated/active/... state?
 961          *
 962          * Normally low-latency should only be active on interfaces
 963          * that are active, but at least with debugfs it can also be
 964          * enabled on interfaces that aren't active. However, when
 965          * interface aren't active then they aren't added into the
 966          * binding, so this has no real impact. For now, just return
 967          * the current desired low-latency state.
 968          */
 969
 970         return mvmvif->low_latency;
 971 }
 972
 973 /* Thermal management and CT-kill */
 974 void iwl_mvm_tt_tx_backoff(struct iwl_mvm *mvm, u32 backoff);
 975 void iwl_mvm_tt_handler(struct iwl_mvm *mvm);
 976 void iwl_mvm_tt_initialize(struct iwl_mvm *mvm, u32 min_backoff);
 977 void iwl_mvm_tt_exit(struct iwl_mvm *mvm);
 978 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state);
 979
 980 /* smart fifo */
 981 int iwl_mvm_sf_update(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 982                       bool added_vif);
 983
 984 #endif /* __IWL_MVM_H__ */