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

   1 /******************************************************************************
   2  *
   3  * This file is provided under a dual BSD/GPLv2 license.  When using or
   4  * redistributing this file, you may do so under either license.
   5  *
   6  * GPL LICENSE SUMMARY
   7  *
   8  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
   9  * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
  10  * Copyright(c) 2016        Intel Deutschland GmbH
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of version 2 of the GNU General Public License as
  14  * published by the Free Software Foundation.
  15  *
  16  * This program is distributed in the hope that it will be useful, but
  17  * WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  19  * General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program; if not, write to the Free Software
  23  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
  24  * USA
  25  *
  26  * The full GNU General Public License is included in this distribution
  27  * in the file called COPYING.
  28  *
  29  * Contact Information:
  30  *  Intel Linux Wireless <linuxwifi@intel.com>
  31  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  32  *
  33  * BSD LICENSE
  34  *
  35  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
  36  * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
  37  * Copyright(c) 2016        Intel Deutschland GmbH
  38  * All rights reserved.
  39  *
  40  * Redistribution and use in source and binary forms, with or without
  41  * modification, are permitted provided that the following conditions
  42  * are met:
  43  *
  44  *  * Redistributions of source code must retain the above copyright
  45  *    notice, this list of conditions and the following disclaimer.
  46  *  * Redistributions in binary form must reproduce the above copyright
  47  *    notice, this list of conditions and the following disclaimer in
  48  *    the documentation and/or other materials provided with the
  49  *    distribution.
  50  *  * Neither the name Intel Corporation nor the names of its
  51  *    contributors may be used to endorse or promote products derived
  52  *    from this software without specific prior written permission.
  53  *
  54  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  55  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  56  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  57  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  58  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  59  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  60  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  61  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  62  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  63  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  64  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  65  *
  66  *****************************************************************************/
  67
  68 #ifndef __IWL_MVM_H__
  69 #define __IWL_MVM_H__
  70
  71 #include <linux/list.h>
  72 #include <linux/spinlock.h>
  73 #include <linux/leds.h>
  74 #include <linux/in6.h>
  75
  76 #ifdef CONFIG_THERMAL
  77 #include <linux/thermal.h>
  78 #endif
  79
  80 #include "iwl-op-mode.h"
  81 #include "iwl-trans.h"
  82 #include "iwl-notif-wait.h"
  83 #include "iwl-eeprom-parse.h"
  84 #include "iwl-fw-file.h"
  85 #include "iwl-config.h"
  86 #include "sta.h"
  87 #include "fw-api.h"
  88 #include "constants.h"
  89 #include "tof.h"
  90
  91 #define IWL_MVM_MAX_ADDRESSES           5
  92 /* RSSI offset for WkP */
  93 #define IWL_RSSI_OFFSET 50
  94 #define IWL_MVM_MISSED_BEACONS_THRESHOLD 8
  95 /* A TimeUnit is 1024 microsecond */
  96 #define MSEC_TO_TU(_msec)       (_msec*1000/1024)
  97
  98 /* For GO, this value represents the number of TUs before CSA "beacon
  99  * 0" TBTT when the CSA time-event needs to be scheduled to start.  It
 100  * must be big enough to ensure that we switch in time.
 101  */
 102 #define IWL_MVM_CHANNEL_SWITCH_TIME_GO          40
 103
 104 /* For client, this value represents the number of TUs before CSA
 105  * "beacon 1" TBTT, instead.  This is because we don't know when the
 106  * GO/AP will be in the new channel, so we switch early enough.
 107  */
 108 #define IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT      10
 109
 110 /*
 111  * This value (in TUs) is used to fine tune the CSA NoA end time which should
 112  * be just before "beacon 0" TBTT.
 113  */
 114 #define IWL_MVM_CHANNEL_SWITCH_MARGIN 4
 115
 116 /*
 117  * Number of beacons to transmit on a new channel until we unblock tx to
 118  * the stations, even if we didn't identify them on a new channel
 119  */
 120 #define IWL_MVM_CS_UNBLOCK_TX_TIMEOUT 3
 121
 122 extern const struct ieee80211_ops iwl_mvm_hw_ops;
 123
 124 /**
 125  * struct iwl_mvm_mod_params - module parameters for iwlmvm
 126  * @init_dbg: if true, then the NIC won't be stopped if the INIT fw asserted.
 127  *      We will register to mac80211 to have testmode working. The NIC must not
 128  *      be up'ed after the INIT fw asserted. This is useful to be able to use
 129  *      proprietary tools over testmode to debug the INIT fw.
 130  * @tfd_q_hang_detect: enabled the detection of hung transmit queues
 131  * @power_scheme: one of enum iwl_power_scheme
 132  */
 133 struct iwl_mvm_mod_params {
 134         bool init_dbg;
 135         bool tfd_q_hang_detect;
 136         int power_scheme;
 137 };
 138 extern struct iwl_mvm_mod_params iwlmvm_mod_params;
 139
 140 /**
 141  * struct iwl_mvm_dump_ptrs - set of pointers needed for the fw-error-dump
 142  *
 143  * @op_mode_ptr: pointer to the buffer coming from the mvm op_mode
 144  * @trans_ptr: pointer to struct %iwl_trans_dump_data which contains the
 145  *      transport's data.
 146  * @trans_len: length of the valid data in trans_ptr
 147  * @op_mode_len: length of the valid data in op_mode_ptr
 148  */
 149 struct iwl_mvm_dump_ptrs {
 150         struct iwl_trans_dump_data *trans_ptr;
 151         void *op_mode_ptr;
 152         u32 op_mode_len;
 153 };
 154
 155 /**
 156  * struct iwl_mvm_dump_desc - describes the dump
 157  * @len: length of trig_desc->data
 158  * @trig_desc: the description of the dump
 159  */
 160 struct iwl_mvm_dump_desc {
 161         size_t len;
 162         /* must be last */
 163         struct iwl_fw_error_dump_trigger_desc trig_desc;
 164 };
 165
 166 extern const struct iwl_mvm_dump_desc iwl_mvm_dump_desc_assert;
 167
 168 struct iwl_mvm_phy_ctxt {
 169         u16 id;
 170         u16 color;
 171         u32 ref;
 172
 173         /*
 174          * TODO: This should probably be removed. Currently here only for rate
 175          * scaling algorithm
 176          */
 177         struct ieee80211_channel *channel;
 178 };
 179
 180 struct iwl_mvm_time_event_data {
 181         struct ieee80211_vif *vif;
 182         struct list_head list;
 183         unsigned long end_jiffies;
 184         u32 duration;
 185         bool running;
 186         u32 uid;
 187
 188         /*
 189          * The access to the 'id' field must be done when the
 190          * mvm->time_event_lock is held, as it value is used to indicate
 191          * if the te is in the time event list or not (when id == TE_MAX)
 192          */
 193         u32 id;
 194 };
 195
 196  /* Power management */
 197
 198 /**
 199  * enum iwl_power_scheme
 200  * @IWL_POWER_LEVEL_CAM - Continuously Active Mode
 201  * @IWL_POWER_LEVEL_BPS - Balanced Power Save (default)
 202  * @IWL_POWER_LEVEL_LP  - Low Power
 203  */
 204 enum iwl_power_scheme {
 205         IWL_POWER_SCHEME_CAM = 1,
 206         IWL_POWER_SCHEME_BPS,
 207         IWL_POWER_SCHEME_LP
 208 };
 209
 210 #define IWL_CONN_MAX_LISTEN_INTERVAL    10
 211 #define IWL_UAPSD_MAX_SP                IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL
 212
 213 #ifdef CONFIG_IWLWIFI_DEBUGFS
 214 enum iwl_dbgfs_pm_mask {
 215         MVM_DEBUGFS_PM_KEEP_ALIVE = BIT(0),
 216         MVM_DEBUGFS_PM_SKIP_OVER_DTIM = BIT(1),
 217         MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS = BIT(2),
 218         MVM_DEBUGFS_PM_RX_DATA_TIMEOUT = BIT(3),
 219         MVM_DEBUGFS_PM_TX_DATA_TIMEOUT = BIT(4),
 220         MVM_DEBUGFS_PM_LPRX_ENA = BIT(6),
 221         MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD = BIT(7),
 222         MVM_DEBUGFS_PM_SNOOZE_ENABLE = BIT(8),
 223         MVM_DEBUGFS_PM_UAPSD_MISBEHAVING = BIT(9),
 224         MVM_DEBUGFS_PM_USE_PS_POLL = BIT(10),
 225 };
 226
 227 struct iwl_dbgfs_pm {
 228         u16 keep_alive_seconds;
 229         u32 rx_data_timeout;
 230         u32 tx_data_timeout;
 231         bool skip_over_dtim;
 232         u8 skip_dtim_periods;
 233         bool lprx_ena;
 234         u32 lprx_rssi_threshold;
 235         bool snooze_ena;
 236         bool uapsd_misbehaving;
 237         bool use_ps_poll;
 238         int mask;
 239 };
 240
 241 /* beacon filtering */
 242
 243 enum iwl_dbgfs_bf_mask {
 244         MVM_DEBUGFS_BF_ENERGY_DELTA = BIT(0),
 245         MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA = BIT(1),
 246         MVM_DEBUGFS_BF_ROAMING_STATE = BIT(2),
 247         MVM_DEBUGFS_BF_TEMP_THRESHOLD = BIT(3),
 248         MVM_DEBUGFS_BF_TEMP_FAST_FILTER = BIT(4),
 249         MVM_DEBUGFS_BF_TEMP_SLOW_FILTER = BIT(5),
 250         MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER = BIT(6),
 251         MVM_DEBUGFS_BF_DEBUG_FLAG = BIT(7),
 252         MVM_DEBUGFS_BF_ESCAPE_TIMER = BIT(8),
 253         MVM_DEBUGFS_BA_ESCAPE_TIMER = BIT(9),
 254         MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT = BIT(10),
 255 };
 256
 257 struct iwl_dbgfs_bf {
 258         u32 bf_energy_delta;
 259         u32 bf_roaming_energy_delta;
 260         u32 bf_roaming_state;
 261         u32 bf_temp_threshold;
 262         u32 bf_temp_fast_filter;
 263         u32 bf_temp_slow_filter;
 264         u32 bf_enable_beacon_filter;
 265         u32 bf_debug_flag;
 266         u32 bf_escape_timer;
 267         u32 ba_escape_timer;
 268         u32 ba_enable_beacon_abort;
 269         int mask;
 270 };
 271 #endif
 272
 273 enum iwl_mvm_smps_type_request {
 274         IWL_MVM_SMPS_REQ_BT_COEX,
 275         IWL_MVM_SMPS_REQ_TT,
 276         IWL_MVM_SMPS_REQ_PROT,
 277         NUM_IWL_MVM_SMPS_REQ,
 278 };
 279
 280 enum iwl_mvm_ref_type {
 281         IWL_MVM_REF_UCODE_DOWN,
 282         IWL_MVM_REF_SCAN,
 283         IWL_MVM_REF_ROC,
 284         IWL_MVM_REF_ROC_AUX,
 285         IWL_MVM_REF_P2P_CLIENT,
 286         IWL_MVM_REF_AP_IBSS,
 287         IWL_MVM_REF_USER,
 288         IWL_MVM_REF_TX,
 289         IWL_MVM_REF_TX_AGG,
 290         IWL_MVM_REF_ADD_IF,
 291         IWL_MVM_REF_START_AP,
 292         IWL_MVM_REF_BSS_CHANGED,
 293         IWL_MVM_REF_PREPARE_TX,
 294         IWL_MVM_REF_PROTECT_TDLS,
 295         IWL_MVM_REF_CHECK_CTKILL,
 296         IWL_MVM_REF_PRPH_READ,
 297         IWL_MVM_REF_PRPH_WRITE,
 298         IWL_MVM_REF_NMI,
 299         IWL_MVM_REF_TM_CMD,
 300         IWL_MVM_REF_EXIT_WORK,
 301         IWL_MVM_REF_PROTECT_CSA,
 302         IWL_MVM_REF_FW_DBG_COLLECT,
 303         IWL_MVM_REF_INIT_UCODE,
 304
 305         /* update debugfs.c when changing this */
 306
 307         IWL_MVM_REF_COUNT,
 308 };
 309
 310 enum iwl_bt_force_ant_mode {
 311         BT_FORCE_ANT_DIS = 0,
 312         BT_FORCE_ANT_AUTO,
 313         BT_FORCE_ANT_BT,
 314         BT_FORCE_ANT_WIFI,
 315
 316         BT_FORCE_ANT_MAX,
 317 };
 318
 319 /**
 320 * struct iwl_mvm_vif_bf_data - beacon filtering related data
 321 * @bf_enabled: indicates if beacon filtering is enabled
 322 * @ba_enabled: indicated if beacon abort is enabled
 323 * @ave_beacon_signal: average beacon signal
 324 * @last_cqm_event: rssi of the last cqm event
 325 * @bt_coex_min_thold: minimum threshold for BT coex
 326 * @bt_coex_max_thold: maximum threshold for BT coex
 327 * @last_bt_coex_event: rssi of the last BT coex event
 328 */
 329 struct iwl_mvm_vif_bf_data {
 330         bool bf_enabled;
 331         bool ba_enabled;
 332         int ave_beacon_signal;
 333         int last_cqm_event;
 334         int bt_coex_min_thold;
 335         int bt_coex_max_thold;
 336         int last_bt_coex_event;
 337 };
 338
 339 /**
 340  * struct iwl_mvm_vif - data per Virtual Interface, it is a MAC context
 341  * @id: between 0 and 3
 342  * @color: to solve races upon MAC addition and removal
 343  * @ap_sta_id: the sta_id of the AP - valid only if VIF type is STA
 344  * @bssid: BSSID for this (client) interface
 345  * @associated: indicates that we're currently associated, used only for
 346  *      managing the firmware state in iwl_mvm_bss_info_changed_station()
 347  * @ap_assoc_sta_count: count of stations associated to us - valid only
 348  *      if VIF type is AP
 349  * @uploaded: indicates the MAC context has been added to the device
 350  * @ap_ibss_active: indicates that AP/IBSS is configured and that the interface
 351  *      should get quota etc.
 352  * @pm_enabled - Indicate if MAC power management is allowed
 353  * @monitor_active: indicates that monitor context is configured, and that the
 354  *      interface should get quota etc.
 355  * @low_latency_traffic: indicates low latency traffic was detected
 356  * @low_latency_dbgfs: low latency mode set from debugfs
 357  * @low_latency_vcmd: low latency mode set from vendor command
 358  * @ps_disabled: indicates that this interface requires PS to be disabled
 359  * @queue_params: QoS params for this MAC
 360  * @bcast_sta: station used for broadcast packets. Used by the following
 361  *  vifs: P2P_DEVICE, GO and AP.
 362  * @beacon_skb: the skb used to hold the AP/GO beacon template
 363  * @smps_requests: the SMPS requests of different parts of the driver,
 364  *      combined on update to yield the overall request to mac80211.
 365  * @beacon_stats: beacon statistics, containing the # of received beacons,
 366  *      # of received beacons accumulated over FW restart, and the current
 367  *      average signal of beacons retrieved from the firmware
 368  * @csa_failed: CSA failed to schedule time event, report an error later
 369  * @features: hw features active for this vif
 370  */
 371 struct iwl_mvm_vif {
 372         struct iwl_mvm *mvm;
 373         u16 id;
 374         u16 color;
 375         u8 ap_sta_id;
 376
 377         u8 bssid[ETH_ALEN];
 378         bool associated;
 379         u8 ap_assoc_sta_count;
 380
 381         bool uploaded;
 382         bool ap_ibss_active;
 383         bool pm_enabled;
 384         bool monitor_active;
 385         bool low_latency_traffic, low_latency_dbgfs, low_latency_vcmd;
 386         bool ps_disabled;
 387         struct iwl_mvm_vif_bf_data bf_data;
 388
 389         struct {
 390                 u32 num_beacons, accu_num_beacons;
 391                 u8 avg_signal;
 392         } beacon_stats;
 393
 394         u32 ap_beacon_time;
 395
 396         enum iwl_tsf_id tsf_id;
 397
 398         /*
 399          * QoS data from mac80211, need to store this here
 400          * as mac80211 has a separate callback but we need
 401          * to have the data for the MAC context
 402          */
 403         struct ieee80211_tx_queue_params queue_params[IEEE80211_NUM_ACS];
 404         struct iwl_mvm_time_event_data time_event_data;
 405         struct iwl_mvm_time_event_data hs_time_event_data;
 406
 407         struct iwl_mvm_int_sta bcast_sta;
 408
 409         /*
 410          * Assigned while mac80211 has the interface in a channel context,
 411          * or, for P2P Device, while it exists.
 412          */
 413         struct iwl_mvm_phy_ctxt *phy_ctxt;
 414
 415 #ifdef CONFIG_PM
 416         /* WoWLAN GTK rekey data */
 417         struct {
 418                 u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN];
 419                 __le64 replay_ctr;
 420                 bool valid;
 421         } rekey_data;
 422
 423         int tx_key_idx;
 424
 425         bool seqno_valid;
 426         u16 seqno;
 427 #endif
 428
 429 #if IS_ENABLED(CONFIG_IPV6)
 430         /* IPv6 addresses for WoWLAN */
 431         struct in6_addr target_ipv6_addrs[IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_MAX];
 432         unsigned long tentative_addrs[BITS_TO_LONGS(IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_MAX)];
 433         int num_target_ipv6_addrs;
 434 #endif
 435
 436 #ifdef CONFIG_IWLWIFI_DEBUGFS
 437         struct dentry *dbgfs_dir;
 438         struct dentry *dbgfs_slink;
 439         struct iwl_dbgfs_pm dbgfs_pm;
 440         struct iwl_dbgfs_bf dbgfs_bf;
 441         struct iwl_mac_power_cmd mac_pwr_cmd;
 442         int dbgfs_quota_min;
 443 #endif
 444
 445         enum ieee80211_smps_mode smps_requests[NUM_IWL_MVM_SMPS_REQ];
 446
 447         /* FW identified misbehaving AP */
 448         u8 uapsd_misbehaving_bssid[ETH_ALEN];
 449
 450         /* Indicates that CSA countdown may be started */
 451         bool csa_countdown;
 452         bool csa_failed;
 453
 454         /* TCP Checksum Offload */
 455         netdev_features_t features;
 456
 457         /*
 458          * link quality measurement - used to check whether this interface
 459          * is in the middle of a link quality measurement
 460          */
 461         bool lqm_active;
 462 };
 463
 464 static inline struct iwl_mvm_vif *
 465 iwl_mvm_vif_from_mac80211(struct ieee80211_vif *vif)
 466 {
 467         return (void *)vif->drv_priv;
 468 }
 469
 470 extern const u8 tid_to_mac80211_ac[];
 471
 472 #define IWL_MVM_SCAN_STOPPING_SHIFT     8
 473
 474 enum iwl_scan_status {
 475         IWL_MVM_SCAN_REGULAR            = BIT(0),
 476         IWL_MVM_SCAN_SCHED              = BIT(1),
 477         IWL_MVM_SCAN_NETDETECT          = BIT(2),
 478
 479         IWL_MVM_SCAN_STOPPING_REGULAR   = BIT(8),
 480         IWL_MVM_SCAN_STOPPING_SCHED     = BIT(9),
 481         IWL_MVM_SCAN_STOPPING_NETDETECT = BIT(10),
 482
 483         IWL_MVM_SCAN_REGULAR_MASK       = IWL_MVM_SCAN_REGULAR |
 484                                           IWL_MVM_SCAN_STOPPING_REGULAR,
 485         IWL_MVM_SCAN_SCHED_MASK         = IWL_MVM_SCAN_SCHED |
 486                                           IWL_MVM_SCAN_STOPPING_SCHED,
 487         IWL_MVM_SCAN_NETDETECT_MASK     = IWL_MVM_SCAN_NETDETECT |
 488                                           IWL_MVM_SCAN_STOPPING_NETDETECT,
 489
 490         IWL_MVM_SCAN_STOPPING_MASK      = 0xff << IWL_MVM_SCAN_STOPPING_SHIFT,
 491         IWL_MVM_SCAN_MASK               = 0xff,
 492 };
 493
 494 enum iwl_mvm_scan_type {
 495         IWL_SCAN_TYPE_NOT_SET,
 496         IWL_SCAN_TYPE_UNASSOC,
 497         IWL_SCAN_TYPE_WILD,
 498         IWL_SCAN_TYPE_MILD,
 499         IWL_SCAN_TYPE_FRAGMENTED,
 500 };
 501
 502 enum iwl_mvm_sched_scan_pass_all_states {
 503         SCHED_SCAN_PASS_ALL_DISABLED,
 504         SCHED_SCAN_PASS_ALL_ENABLED,
 505         SCHED_SCAN_PASS_ALL_FOUND,
 506 };
 507
 508 /**
 509  * struct iwl_nvm_section - describes an NVM section in memory.
 510  *
 511  * This struct holds an NVM section read from the NIC using NVM_ACCESS_CMD,
 512  * and saved for later use by the driver. Not all NVM sections are saved
 513  * this way, only the needed ones.
 514  */
 515 struct iwl_nvm_section {
 516         u16 length;
 517         const u8 *data;
 518 };
 519
 520 /**
 521  * struct iwl_mvm_tt_mgnt - Thermal Throttling Management structure
 522  * @ct_kill_exit: worker to exit thermal kill
 523  * @dynamic_smps: Is thermal throttling enabled dynamic_smps?
 524  * @tx_backoff: The current thremal throttling tx backoff in uSec.
 525  * @min_backoff: The minimal tx backoff due to power restrictions
 526  * @params: Parameters to configure the thermal throttling algorithm.
 527  * @throttle: Is thermal throttling is active?
 528  */
 529 struct iwl_mvm_tt_mgmt {
 530         struct delayed_work ct_kill_exit;
 531         bool dynamic_smps;
 532         u32 tx_backoff;
 533         u32 min_backoff;
 534         struct iwl_tt_params params;
 535         bool throttle;
 536 };
 537
 538 #ifdef CONFIG_THERMAL
 539 /**
 540  *struct iwl_mvm_thermal_device - thermal zone related data
 541  * @temp_trips: temperature thresholds for report
 542  * @fw_trips_index: keep indexes to original array - temp_trips
 543  * @tzone: thermal zone device data
 544 */
 545 struct iwl_mvm_thermal_device {
 546         s16 temp_trips[IWL_MAX_DTS_TRIPS];
 547         u8 fw_trips_index[IWL_MAX_DTS_TRIPS];
 548         struct thermal_zone_device *tzone;
 549 };
 550
 551 /*
 552  * struct iwl_mvm_cooling_device
 553  * @cur_state: current state
 554  * @cdev: struct thermal cooling device
 555  */
 556 struct iwl_mvm_cooling_device {
 557         u32 cur_state;
 558         struct thermal_cooling_device *cdev;
 559 };
 560 #endif
 561
 562 #define IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES 8
 563
 564 struct iwl_mvm_frame_stats {
 565         u32 legacy_frames;
 566         u32 ht_frames;
 567         u32 vht_frames;
 568         u32 bw_20_frames;
 569         u32 bw_40_frames;
 570         u32 bw_80_frames;
 571         u32 bw_160_frames;
 572         u32 sgi_frames;
 573         u32 ngi_frames;
 574         u32 siso_frames;
 575         u32 mimo2_frames;
 576         u32 agg_frames;
 577         u32 ampdu_count;
 578         u32 success_frames;
 579         u32 fail_frames;
 580         u32 last_rates[IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES];
 581         int last_frame_idx;
 582 };
 583
 584 enum {
 585         D0I3_DEFER_WAKEUP,
 586         D0I3_PENDING_WAKEUP,
 587 };
 588
 589 #define IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE 0xff
 590 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MIN -100
 591 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MAX 200
 592
 593 enum iwl_mvm_tdls_cs_state {
 594         IWL_MVM_TDLS_SW_IDLE = 0,
 595         IWL_MVM_TDLS_SW_REQ_SENT,
 596         IWL_MVM_TDLS_SW_RESP_RCVD,
 597         IWL_MVM_TDLS_SW_REQ_RCVD,
 598         IWL_MVM_TDLS_SW_ACTIVE,
 599 };
 600
 601 struct iwl_mvm_shared_mem_cfg {
 602         u32 shared_mem_addr;
 603         u32 shared_mem_size;
 604         u32 sample_buff_addr;
 605         u32 sample_buff_size;
 606         u32 txfifo_addr;
 607         u32 txfifo_size[TX_FIFO_MAX_NUM];
 608         u32 rxfifo_size[RX_FIFO_MAX_NUM];
 609         u32 page_buff_addr;
 610         u32 page_buff_size;
 611         u32 rxfifo_addr;
 612         u32 internal_txfifo_addr;
 613         u32 internal_txfifo_size[TX_FIFO_INTERNAL_MAX_NUM];
 614 };
 615
 616 struct iwl_mvm {
 617         /* for logger access */
 618         struct device *dev;
 619
 620         struct iwl_trans *trans;
 621         const struct iwl_fw *fw;
 622         const struct iwl_cfg *cfg;
 623         struct iwl_phy_db *phy_db;
 624         struct ieee80211_hw *hw;
 625
 626         /* for protecting access to iwl_mvm */
 627         struct mutex mutex;
 628         struct list_head async_handlers_list;
 629         spinlock_t async_handlers_lock;
 630         struct work_struct async_handlers_wk;
 631
 632         struct work_struct roc_done_wk;
 633
 634         unsigned long status;
 635
 636         /*
 637          * for beacon filtering -
 638          * currently only one interface can be supported
 639          */
 640         struct iwl_mvm_vif *bf_allowed_vif;
 641
 642         enum iwl_ucode_type cur_ucode;
 643         bool ucode_loaded;
 644         bool calibrating;
 645         u32 error_event_table;
 646         u32 log_event_table;
 647         u32 umac_error_event_table;
 648         bool support_umac_log;
 649         struct iwl_sf_region sf_space;
 650
 651         u32 ampdu_ref;
 652
 653         struct iwl_notif_wait_data notif_wait;
 654
 655         struct mvm_statistics_rx rx_stats;
 656
 657         struct {
 658                 u64 rx_time;
 659                 u64 tx_time;
 660                 u64 on_time_rf;
 661                 u64 on_time_scan;
 662         } radio_stats, accu_radio_stats;
 663
 664         struct {
 665                 /* Map to HW queue */
 666                 u32 hw_queue_to_mac80211;
 667                 u8 hw_queue_refcount;
 668                 u8 ra_sta_id; /* The RA this queue is mapped to, if exists */
 669                 /*
 670                  * This is to mark that queue is reserved for a STA but not yet
 671                  * allocated. This is needed to make sure we have at least one
 672                  * available queue to use when adding a new STA
 673                  */
 674                 bool setup_reserved;
 675                 u16 tid_bitmap; /* Bitmap of the TIDs mapped to this queue */
 676         } queue_info[IWL_MAX_HW_QUEUES];
 677         spinlock_t queue_info_lock; /* For syncing queue mgmt operations */
 678         struct work_struct add_stream_wk; /* To add streams to queues */
 679         atomic_t mac80211_queue_stop_count[IEEE80211_MAX_QUEUES];
 680
 681         const char *nvm_file_name;
 682         struct iwl_nvm_data *nvm_data;
 683         /* NVM sections */
 684         struct iwl_nvm_section nvm_sections[NVM_MAX_NUM_SECTIONS];
 685
 686         /* Paging section */
 687         struct iwl_fw_paging fw_paging_db[NUM_OF_FW_PAGING_BLOCKS];
 688         u16 num_of_paging_blk;
 689         u16 num_of_pages_in_last_blk;
 690
 691         /* EEPROM MAC addresses */
 692         struct mac_address addresses[IWL_MVM_MAX_ADDRESSES];
 693
 694         /* data related to data path */
 695         struct iwl_rx_phy_info last_phy_info;
 696         struct ieee80211_sta __rcu *fw_id_to_mac_id[IWL_MVM_STATION_COUNT];
 697         struct work_struct sta_drained_wk;
 698         unsigned long sta_deferred_frames[BITS_TO_LONGS(IWL_MVM_STATION_COUNT)];
 699         unsigned long sta_drained[BITS_TO_LONGS(IWL_MVM_STATION_COUNT)];
 700         atomic_t pending_frames[IWL_MVM_STATION_COUNT];
 701         u32 tfd_drained[IWL_MVM_STATION_COUNT];
 702         u8 rx_ba_sessions;
 703
 704         /* configured by mac80211 */
 705         u32 rts_threshold;
 706
 707         /* Scan status, cmd (pre-allocated) and auxiliary station */
 708         unsigned int scan_status;
 709         void *scan_cmd;
 710         struct iwl_mcast_filter_cmd *mcast_filter_cmd;
 711         enum iwl_mvm_scan_type scan_type;
 712         enum iwl_mvm_sched_scan_pass_all_states sched_scan_pass_all;
 713         struct timer_list scan_timer;
 714
 715         /* max number of simultaneous scans the FW supports */
 716         unsigned int max_scans;
 717
 718         /* ts of the beginning of a non-collect fw dbg data period */
 719         unsigned long fw_dbg_non_collect_ts_start[FW_DBG_TRIGGER_MAX - 1];
 720
 721         /* UMAC scan tracking */
 722         u32 scan_uid_status[IWL_MVM_MAX_UMAC_SCANS];
 723
 724         /* rx chain antennas set through debugfs for the scan command */
 725         u8 scan_rx_ant;
 726
 727 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
 728         /* broadcast filters to configure for each associated station */
 729         const struct iwl_fw_bcast_filter *bcast_filters;
 730 #ifdef CONFIG_IWLWIFI_DEBUGFS
 731         struct {
 732                 bool override;
 733                 struct iwl_bcast_filter_cmd cmd;
 734         } dbgfs_bcast_filtering;
 735 #endif
 736 #endif
 737
 738         /* Internal station */
 739         struct iwl_mvm_int_sta aux_sta;
 740         struct iwl_mvm_int_sta snif_sta;
 741
 742         bool last_ebs_successful;
 743
 744         u8 scan_last_antenna_idx; /* to toggle TX between antennas */
 745         u8 mgmt_last_antenna_idx;
 746
 747         /* last smart fifo state that was successfully sent to firmware */
 748         enum iwl_sf_state sf_state;
 749
 750 #ifdef CONFIG_IWLWIFI_DEBUGFS
 751         struct dentry *debugfs_dir;
 752         u32 dbgfs_sram_offset, dbgfs_sram_len;
 753         u32 dbgfs_prph_reg_addr;
 754         bool disable_power_off;
 755         bool disable_power_off_d3;
 756
 757         bool scan_iter_notif_enabled;
 758
 759         struct debugfs_blob_wrapper nvm_hw_blob;
 760         struct debugfs_blob_wrapper nvm_sw_blob;
 761         struct debugfs_blob_wrapper nvm_calib_blob;
 762         struct debugfs_blob_wrapper nvm_prod_blob;
 763         struct debugfs_blob_wrapper nvm_phy_sku_blob;
 764
 765         struct iwl_mvm_frame_stats drv_rx_stats;
 766         spinlock_t drv_stats_lock;
 767         u16 dbgfs_rx_phyinfo;
 768 #endif
 769
 770         struct iwl_mvm_phy_ctxt phy_ctxts[NUM_PHY_CTX];
 771
 772         struct list_head time_event_list;
 773         spinlock_t time_event_lock;
 774
 775         /*
 776          * A bitmap indicating the index of the key in use. The firmware
 777          * can hold 16 keys at most. Reflect this fact.
 778          */
 779         unsigned long fw_key_table[BITS_TO_LONGS(STA_KEY_MAX_NUM)];
 780         u8 fw_key_deleted[STA_KEY_MAX_NUM];
 781
 782         /* references taken by the driver and spinlock protecting them */
 783         spinlock_t refs_lock;
 784         u8 refs[IWL_MVM_REF_COUNT];
 785
 786         u8 vif_count;
 787
 788         /* -1 for always, 0 for never, >0 for that many times */
 789         s8 restart_fw;
 790         u8 fw_dbg_conf;
 791         struct delayed_work fw_dump_wk;
 792         const struct iwl_mvm_dump_desc *fw_dump_desc;
 793         const struct iwl_fw_dbg_trigger_tlv *fw_dump_trig;
 794
 795 #ifdef CONFIG_IWLWIFI_LEDS
 796         struct led_classdev led;
 797 #endif
 798
 799         struct ieee80211_vif *p2p_device_vif;
 800
 801 #ifdef CONFIG_PM
 802         struct wiphy_wowlan_support wowlan;
 803         int gtk_ivlen, gtk_icvlen, ptk_ivlen, ptk_icvlen;
 804
 805         /* sched scan settings for net detect */
 806         struct ieee80211_scan_ies nd_ies;
 807         struct cfg80211_match_set *nd_match_sets;
 808         int n_nd_match_sets;
 809         struct ieee80211_channel **nd_channels;
 810         int n_nd_channels;
 811         bool net_detect;
 812 #ifdef CONFIG_IWLWIFI_DEBUGFS
 813         bool d3_wake_sysassert;
 814         bool d3_test_active;
 815         bool store_d3_resume_sram;
 816         void *d3_resume_sram;
 817         u32 d3_test_pme_ptr;
 818         struct ieee80211_vif *keep_vif;
 819         u32 last_netdetect_scans; /* no. of scans in the last net-detect wake */
 820 #endif
 821 #endif
 822
 823         /* d0i3 */
 824         u8 d0i3_ap_sta_id;
 825         bool d0i3_offloading;
 826         struct work_struct d0i3_exit_work;
 827         struct sk_buff_head d0i3_tx;
 828         /* protect d0i3_suspend_flags */
 829         struct mutex d0i3_suspend_mutex;
 830         unsigned long d0i3_suspend_flags;
 831         /* sync d0i3_tx queue and IWL_MVM_STATUS_IN_D0I3 status flag */
 832         spinlock_t d0i3_tx_lock;
 833         wait_queue_head_t d0i3_exit_waitq;
 834
 835         /* BT-Coex */
 836         u8 bt_ack_kill_msk[NUM_PHY_CTX];
 837         u8 bt_cts_kill_msk[NUM_PHY_CTX];
 838
 839         struct iwl_bt_coex_profile_notif_old last_bt_notif_old;
 840         struct iwl_bt_coex_ci_cmd_old last_bt_ci_cmd_old;
 841         struct iwl_bt_coex_profile_notif last_bt_notif;
 842         struct iwl_bt_coex_ci_cmd last_bt_ci_cmd;
 843
 844         u32 last_ant_isol;
 845         u8 last_corun_lut;
 846         u8 bt_tx_prio;
 847         enum iwl_bt_force_ant_mode bt_force_ant_mode;
 848
 849         /* Aux ROC */
 850         struct list_head aux_roc_te_list;
 851
 852         /* Thermal Throttling and CTkill */
 853         struct iwl_mvm_tt_mgmt thermal_throttle;
 854 #ifdef CONFIG_THERMAL
 855         struct iwl_mvm_thermal_device tz_device;
 856         struct iwl_mvm_cooling_device cooling_dev;
 857 #endif
 858
 859         s32 temperature;        /* Celsius */
 860         /*
 861          * Debug option to set the NIC temperature. This option makes the
 862          * driver think this is the actual NIC temperature, and ignore the
 863          * real temperature that is received from the fw
 864          */
 865         bool temperature_test;  /* Debug test temperature is enabled */
 866
 867         struct iwl_time_quota_cmd last_quota_cmd;
 868
 869 #ifdef CONFIG_NL80211_TESTMODE
 870         u32 noa_duration;
 871         struct ieee80211_vif *noa_vif;
 872 #endif
 873
 874         /* Tx queues */
 875         u8 aux_queue;
 876         u8 first_agg_queue;
 877         u8 last_agg_queue;
 878
 879         /* Indicate if device power save is allowed */
 880         u8 ps_disabled; /* u8 instead of bool to ease debugfs_create_* usage */
 881         unsigned int max_amsdu_len; /* used for debugfs only */
 882
 883         struct ieee80211_vif __rcu *csa_vif;
 884         struct ieee80211_vif __rcu *csa_tx_blocked_vif;
 885         u8 csa_tx_block_bcn_timeout;
 886
 887         /* system time of last beacon (for AP/GO interface) */
 888         u32 ap_last_beacon_gp2;
 889
 890         bool lar_regdom_set;
 891         enum iwl_mcc_source mcc_src;
 892
 893         /* TDLS channel switch data */
 894         struct {
 895                 struct delayed_work dwork;
 896                 enum iwl_mvm_tdls_cs_state state;
 897
 898                 /*
 899                  * Current cs sta - might be different from periodic cs peer
 900                  * station. Value is meaningless when the cs-state is idle.
 901                  */
 902                 u8 cur_sta_id;
 903
 904                 /* TDLS periodic channel-switch peer */
 905                 struct {
 906                         u8 sta_id;
 907                         u8 op_class;
 908                         bool initiator; /* are we the link initiator */
 909                         struct cfg80211_chan_def chandef;
 910                         struct sk_buff *skb; /* ch sw template */
 911                         u32 ch_sw_tm_ie;
 912
 913                         /* timestamp of last ch-sw request sent (GP2 time) */
 914                         u32 sent_timestamp;
 915                 } peer;
 916         } tdls_cs;
 917
 918         struct iwl_mvm_shared_mem_cfg shared_mem_cfg;
 919
 920         u32 ciphers[6];
 921         struct iwl_mvm_tof_data tof_data;
 922
 923         /*
 924          * Drop beacons from other APs in AP mode when there are no connected
 925          * clients.
 926          */
 927         bool drop_bcn_ap_mode;
 928 };
 929
 930 /* Extract MVM priv from op_mode and _hw */
 931 #define IWL_OP_MODE_GET_MVM(_iwl_op_mode)               \
 932         ((struct iwl_mvm *)(_iwl_op_mode)->op_mode_specific)
 933
 934 #define IWL_MAC80211_GET_MVM(_hw)                       \
 935         IWL_OP_MODE_GET_MVM((struct iwl_op_mode *)((_hw)->priv))
 936
 937 enum iwl_mvm_status {
 938         IWL_MVM_STATUS_HW_RFKILL,
 939         IWL_MVM_STATUS_HW_CTKILL,
 940         IWL_MVM_STATUS_ROC_RUNNING,
 941         IWL_MVM_STATUS_IN_HW_RESTART,
 942         IWL_MVM_STATUS_IN_D0I3,
 943         IWL_MVM_STATUS_ROC_AUX_RUNNING,
 944         IWL_MVM_STATUS_D3_RECONFIG,
 945         IWL_MVM_STATUS_DUMPING_FW_LOG,
 946 };
 947
 948 static inline bool iwl_mvm_is_radio_killed(struct iwl_mvm *mvm)
 949 {
 950         return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status) ||
 951                test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
 952 }
 953
 954 static inline bool iwl_mvm_is_radio_hw_killed(struct iwl_mvm *mvm)
 955 {
 956         return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status);
 957 }
 958
 959 /* Must be called with rcu_read_lock() held and it can only be
 960  * released when mvmsta is not needed anymore.
 961  */
 962 static inline struct iwl_mvm_sta *
 963 iwl_mvm_sta_from_staid_rcu(struct iwl_mvm *mvm, u8 sta_id)
 964 {
 965         struct ieee80211_sta *sta;
 966
 967         if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
 968                 return NULL;
 969
 970         sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
 971
 972         /* This can happen if the station has been removed right now */
 973         if (IS_ERR_OR_NULL(sta))
 974                 return NULL;
 975
 976         return iwl_mvm_sta_from_mac80211(sta);
 977 }
 978
 979 static inline struct iwl_mvm_sta *
 980 iwl_mvm_sta_from_staid_protected(struct iwl_mvm *mvm, u8 sta_id)
 981 {
 982         struct ieee80211_sta *sta;
 983
 984         if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
 985                 return NULL;
 986
 987         sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id],
 988                                         lockdep_is_held(&mvm->mutex));
 989
 990         /* This can happen if the station has been removed right now */
 991         if (IS_ERR_OR_NULL(sta))
 992                 return NULL;
 993
 994         return iwl_mvm_sta_from_mac80211(sta);
 995 }
 996
 997 static inline bool iwl_mvm_is_d0i3_supported(struct iwl_mvm *mvm)
 998 {
 999         return !iwlwifi_mod_params.d0i3_disable &&
1000                 fw_has_capa(&mvm->fw->ucode_capa,
1001                             IWL_UCODE_TLV_CAPA_D0I3_SUPPORT);
1002 }
1003
1004 static inline bool iwl_mvm_is_dqa_supported(struct iwl_mvm *mvm)
1005 {
1006         /* Make sure DQA isn't allowed in driver until feature is complete */
1007         return false && fw_has_capa(&mvm->fw->ucode_capa,
1008                                     IWL_UCODE_TLV_CAPA_DQA_SUPPORT);
1009 }
1010
1011 static inline bool iwl_mvm_enter_d0i3_on_suspend(struct iwl_mvm *mvm)
1012 {
1013         /* For now we only use this mode to differentiate between
1014          * slave transports, which handle D0i3 entry in suspend by
1015          * themselves in conjunction with runtime PM D0i3.  So, this
1016          * function is used to check whether we need to do anything
1017          * when entering suspend or if the transport layer has already
1018          * done it.
1019          */
1020         return (mvm->trans->system_pm_mode == IWL_PLAT_PM_MODE_D0I3) &&
1021                 (mvm->trans->runtime_pm_mode != IWL_PLAT_PM_MODE_D0I3);
1022 }
1023
1024 static inline bool iwl_mvm_is_lar_supported(struct iwl_mvm *mvm)
1025 {
1026         bool nvm_lar = mvm->nvm_data->lar_enabled;
1027         bool tlv_lar = fw_has_capa(&mvm->fw->ucode_capa,
1028                                    IWL_UCODE_TLV_CAPA_LAR_SUPPORT);
1029
1030         if (iwlwifi_mod_params.lar_disable)
1031                 return false;
1032
1033         /*
1034          * Enable LAR only if it is supported by the FW (TLV) &&
1035          * enabled in the NVM
1036          */
1037         if (mvm->cfg->device_family == IWL_DEVICE_FAMILY_8000)
1038                 return nvm_lar && tlv_lar;
1039         else
1040                 return tlv_lar;
1041 }
1042
1043 static inline bool iwl_mvm_is_wifi_mcc_supported(struct iwl_mvm *mvm)
1044 {
1045         return fw_has_api(&mvm->fw->ucode_capa,
1046                           IWL_UCODE_TLV_API_WIFI_MCC_UPDATE) ||
1047                fw_has_capa(&mvm->fw->ucode_capa,
1048                            IWL_UCODE_TLV_CAPA_LAR_MULTI_MCC);
1049 }
1050
1051 static inline bool iwl_mvm_bt_is_plcr_supported(struct iwl_mvm *mvm)
1052 {
1053         return fw_has_capa(&mvm->fw->ucode_capa,
1054                            IWL_UCODE_TLV_CAPA_BT_COEX_PLCR) &&
1055                 IWL_MVM_BT_COEX_CORUNNING;
1056 }
1057
1058 static inline bool iwl_mvm_bt_is_rrc_supported(struct iwl_mvm *mvm)
1059 {
1060         return fw_has_capa(&mvm->fw->ucode_capa,
1061                            IWL_UCODE_TLV_CAPA_BT_COEX_RRC) &&
1062                 IWL_MVM_BT_COEX_RRC;
1063 }
1064
1065 static inline bool iwl_mvm_is_csum_supported(struct iwl_mvm *mvm)
1066 {
1067         return fw_has_capa(&mvm->fw->ucode_capa,
1068                            IWL_UCODE_TLV_CAPA_CSUM_SUPPORT);
1069 }
1070
1071 static inline bool iwl_mvm_is_mplut_supported(struct iwl_mvm *mvm)
1072 {
1073         return fw_has_capa(&mvm->fw->ucode_capa,
1074                            IWL_UCODE_TLV_CAPA_BT_MPLUT_SUPPORT) &&
1075                 IWL_MVM_BT_COEX_MPLUT;
1076 }
1077
1078 static inline
1079 bool iwl_mvm_is_p2p_standalone_uapsd_supported(struct iwl_mvm *mvm)
1080 {
1081         return fw_has_capa(&mvm->fw->ucode_capa,
1082                            IWL_UCODE_TLV_CAPA_P2P_STANDALONE_UAPSD) &&
1083                 !(iwlwifi_mod_params.uapsd_disable &
1084                   IWL_DISABLE_UAPSD_P2P_CLIENT);
1085 }
1086
1087 static inline bool iwl_mvm_has_new_rx_api(struct iwl_mvm *mvm)
1088 {
1089         return fw_has_capa(&mvm->fw->ucode_capa,
1090                            IWL_UCODE_TLV_CAPA_MULTI_QUEUE_RX_SUPPORT);
1091 }
1092
1093 static inline bool iwl_mvm_is_tt_in_fw(struct iwl_mvm *mvm)
1094 {
1095 #ifdef CONFIG_THERMAL
1096         /* these two TLV are redundant since the responsibility to CT-kill by
1097          * FW happens only after we send at least one command of
1098          * temperature THs report.
1099          */
1100         return fw_has_capa(&mvm->fw->ucode_capa,
1101                            IWL_UCODE_TLV_CAPA_CT_KILL_BY_FW) &&
1102                fw_has_capa(&mvm->fw->ucode_capa,
1103                            IWL_UCODE_TLV_CAPA_TEMP_THS_REPORT_SUPPORT);
1104 #else /* CONFIG_THERMAL */
1105         return false;
1106 #endif /* CONFIG_THERMAL */
1107 }
1108
1109 static inline bool iwl_mvm_is_ctdp_supported(struct iwl_mvm *mvm)
1110 {
1111         return fw_has_capa(&mvm->fw->ucode_capa,
1112                            IWL_UCODE_TLV_CAPA_CTDP_SUPPORT);
1113 }
1114
1115 extern const u8 iwl_mvm_ac_to_tx_fifo[];
1116
1117 struct iwl_rate_info {
1118         u8 plcp;        /* uCode API:  IWL_RATE_6M_PLCP, etc. */
1119         u8 plcp_siso;   /* uCode API:  IWL_RATE_SISO_6M_PLCP, etc. */
1120         u8 plcp_mimo2;  /* uCode API:  IWL_RATE_MIMO2_6M_PLCP, etc. */
1121         u8 plcp_mimo3;  /* uCode API:  IWL_RATE_MIMO3_6M_PLCP, etc. */
1122         u8 ieee;        /* MAC header:  IWL_RATE_6M_IEEE, etc. */
1123 };
1124
1125 void __iwl_mvm_mac_stop(struct iwl_mvm *mvm);
1126 int __iwl_mvm_mac_start(struct iwl_mvm *mvm);
1127
1128 /******************
1129  * MVM Methods
1130  ******************/
1131 /* uCode */
1132 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm);
1133
1134 /* Utils */
1135 int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags,
1136                                         enum nl80211_band band);
1137 void iwl_mvm_hwrate_to_tx_rate(u32 rate_n_flags,
1138                                enum nl80211_band band,
1139                                struct ieee80211_tx_rate *r);
1140 u8 iwl_mvm_mac80211_idx_to_hwrate(int rate_idx);
1141 void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm);
1142 u8 first_antenna(u8 mask);
1143 u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx);
1144
1145 /* Tx / Host Commands */
1146 int __must_check iwl_mvm_send_cmd(struct iwl_mvm *mvm,
1147                                   struct iwl_host_cmd *cmd);
1148 int __must_check iwl_mvm_send_cmd_pdu(struct iwl_mvm *mvm, u32 id,
1149                                       u32 flags, u16 len, const void *data);
1150 int __must_check iwl_mvm_send_cmd_status(struct iwl_mvm *mvm,
1151                                          struct iwl_host_cmd *cmd,
1152                                          u32 *status);
1153 int __must_check iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u32 id,
1154                                              u16 len, const void *data,
1155                                              u32 *status);
1156 int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb,
1157                    struct ieee80211_sta *sta);
1158 int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb);
1159 void iwl_mvm_set_tx_cmd(struct iwl_mvm *mvm, struct sk_buff *skb,
1160                         struct iwl_tx_cmd *tx_cmd,
1161                         struct ieee80211_tx_info *info, u8 sta_id);
1162 void iwl_mvm_set_tx_cmd_rate(struct iwl_mvm *mvm, struct iwl_tx_cmd *tx_cmd,
1163                             struct ieee80211_tx_info *info,
1164                             struct ieee80211_sta *sta, __le16 fc);
1165 #ifdef CONFIG_IWLWIFI_DEBUG
1166 const char *iwl_mvm_get_tx_fail_reason(u32 status);
1167 #else
1168 static inline const char *iwl_mvm_get_tx_fail_reason(u32 status) { return ""; }
1169 #endif
1170 int iwl_mvm_flush_tx_path(struct iwl_mvm *mvm, u32 tfd_msk, u32 flags);
1171 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm);
1172
1173 static inline void iwl_mvm_set_tx_cmd_ccmp(struct ieee80211_tx_info *info,
1174                                            struct iwl_tx_cmd *tx_cmd)
1175 {
1176         struct ieee80211_key_conf *keyconf = info->control.hw_key;
1177
1178         tx_cmd->sec_ctl = TX_CMD_SEC_CCM;
1179         memcpy(tx_cmd->key, keyconf->key, keyconf->keylen);
1180         if (info->flags & IEEE80211_TX_CTL_AMPDU)
1181                 tx_cmd->tx_flags |= cpu_to_le32(TX_CMD_FLG_CCMP_AGG);
1182 }
1183
1184 static inline void iwl_mvm_wait_for_async_handlers(struct iwl_mvm *mvm)
1185 {
1186         flush_work(&mvm->async_handlers_wk);
1187 }
1188
1189 /* Statistics */
1190 void iwl_mvm_handle_rx_statistics(struct iwl_mvm *mvm,
1191                                   struct iwl_rx_packet *pkt);
1192 void iwl_mvm_rx_statistics(struct iwl_mvm *mvm,
1193                            struct iwl_rx_cmd_buffer *rxb);
1194 int iwl_mvm_request_statistics(struct iwl_mvm *mvm, bool clear);
1195 void iwl_mvm_accu_radio_stats(struct iwl_mvm *mvm);
1196
1197 /* NVM */
1198 int iwl_nvm_init(struct iwl_mvm *mvm, bool read_nvm_from_nic);
1199 int iwl_mvm_load_nvm_to_nic(struct iwl_mvm *mvm);
1200
1201 static inline u8 iwl_mvm_get_valid_tx_ant(struct iwl_mvm *mvm)
1202 {
1203         return mvm->nvm_data && mvm->nvm_data->valid_tx_ant ?
1204                mvm->fw->valid_tx_ant & mvm->nvm_data->valid_tx_ant :
1205                mvm->fw->valid_tx_ant;
1206 }
1207
1208 static inline u8 iwl_mvm_get_valid_rx_ant(struct iwl_mvm *mvm)
1209 {
1210         return mvm->nvm_data && mvm->nvm_data->valid_rx_ant ?
1211                mvm->fw->valid_rx_ant & mvm->nvm_data->valid_rx_ant :
1212                mvm->fw->valid_rx_ant;
1213 }
1214
1215 static inline u32 iwl_mvm_get_phy_config(struct iwl_mvm *mvm)
1216 {
1217         u32 phy_config = ~(FW_PHY_CFG_TX_CHAIN |
1218                            FW_PHY_CFG_RX_CHAIN);
1219         u32 valid_rx_ant = iwl_mvm_get_valid_rx_ant(mvm);
1220         u32 valid_tx_ant = iwl_mvm_get_valid_tx_ant(mvm);
1221
1222         phy_config |= valid_tx_ant << FW_PHY_CFG_TX_CHAIN_POS |
1223                       valid_rx_ant << FW_PHY_CFG_RX_CHAIN_POS;
1224
1225         return mvm->fw->phy_config & phy_config;
1226 }
1227
1228 int iwl_mvm_up(struct iwl_mvm *mvm);
1229 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm);
1230
1231 int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm);
1232 bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm,
1233                                     struct iwl_bcast_filter_cmd *cmd);
1234
1235 /*
1236  * FW notifications / CMD responses handlers
1237  * Convention: iwl_mvm_rx_<NAME OF THE CMD>
1238  */
1239 void iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1240 void iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct napi_struct *napi,
1241                         struct iwl_rx_cmd_buffer *rxb);
1242 void iwl_mvm_rx_phy_cmd_mq(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1243 void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi,
1244                         struct iwl_rx_cmd_buffer *rxb, int queue);
1245 void iwl_mvm_rx_frame_release(struct iwl_mvm *mvm,
1246                               struct iwl_rx_cmd_buffer *rxb, int queue);
1247 int iwl_mvm_notify_rx_queue(struct iwl_mvm *mvm, u32 rxq_mask,
1248                             const u8 *data, u32 count);
1249 void iwl_mvm_rx_queue_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1250                             int queue);
1251 void iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1252 void iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1253 void iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm,
1254                                    struct iwl_rx_cmd_buffer *rxb);
1255 void iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1256 void iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
1257                                  struct iwl_rx_cmd_buffer *rxb);
1258 void iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm,
1259                              struct iwl_rx_cmd_buffer *rxb);
1260 void iwl_mvm_rx_shared_mem_cfg_notif(struct iwl_mvm *mvm,
1261                                      struct iwl_rx_cmd_buffer *rxb);
1262
1263 /* MVM PHY */
1264 int iwl_mvm_phy_ctxt_add(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
1265                          struct cfg80211_chan_def *chandef,
1266                          u8 chains_static, u8 chains_dynamic);
1267 int iwl_mvm_phy_ctxt_changed(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
1268                              struct cfg80211_chan_def *chandef,
1269                              u8 chains_static, u8 chains_dynamic);
1270 void iwl_mvm_phy_ctxt_ref(struct iwl_mvm *mvm,
1271                           struct iwl_mvm_phy_ctxt *ctxt);
1272 void iwl_mvm_phy_ctxt_unref(struct iwl_mvm *mvm,
1273                             struct iwl_mvm_phy_ctxt *ctxt);
1274 int iwl_mvm_phy_ctx_count(struct iwl_mvm *mvm);
1275 u8 iwl_mvm_get_channel_width(struct cfg80211_chan_def *chandef);
1276 u8 iwl_mvm_get_ctrl_pos(struct cfg80211_chan_def *chandef);
1277
1278 /* MAC (virtual interface) programming */
1279 int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1280 void iwl_mvm_mac_ctxt_release(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1281 int iwl_mvm_mac_ctxt_add(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1282 int iwl_mvm_mac_ctxt_changed(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1283                              bool force_assoc_off, const u8 *bssid_override);
1284 int iwl_mvm_mac_ctxt_remove(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1285 u32 iwl_mvm_mac_get_queues_mask(struct ieee80211_vif *vif);
1286 int iwl_mvm_mac_ctxt_beacon_changed(struct iwl_mvm *mvm,
1287                                     struct ieee80211_vif *vif);
1288 void iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm,
1289                              struct iwl_rx_cmd_buffer *rxb);
1290 void iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm,
1291                                      struct iwl_rx_cmd_buffer *rxb);
1292 void iwl_mvm_rx_stored_beacon_notif(struct iwl_mvm *mvm,
1293                                     struct iwl_rx_cmd_buffer *rxb);
1294 void iwl_mvm_mu_mimo_grp_notif(struct iwl_mvm *mvm,
1295                                struct iwl_rx_cmd_buffer *rxb);
1296 void iwl_mvm_window_status_notif(struct iwl_mvm *mvm,
1297                                  struct iwl_rx_cmd_buffer *rxb);
1298 void iwl_mvm_mac_ctxt_recalc_tsf_id(struct iwl_mvm *mvm,
1299                                     struct ieee80211_vif *vif);
1300 unsigned long iwl_mvm_get_used_hw_queues(struct iwl_mvm *mvm,
1301                                          struct ieee80211_vif *exclude_vif);
1302 /* Bindings */
1303 int iwl_mvm_binding_add_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1304 int iwl_mvm_binding_remove_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1305
1306 /* Quota management */
1307 int iwl_mvm_update_quotas(struct iwl_mvm *mvm, bool force_upload,
1308                           struct ieee80211_vif *disabled_vif);
1309
1310 /* Scanning */
1311 int iwl_mvm_reg_scan_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1312                            struct cfg80211_scan_request *req,
1313                            struct ieee80211_scan_ies *ies);
1314 int iwl_mvm_scan_size(struct iwl_mvm *mvm);
1315 int iwl_mvm_scan_stop(struct iwl_mvm *mvm, int type, bool notify);
1316 int iwl_mvm_max_scan_ie_len(struct iwl_mvm *mvm);
1317 void iwl_mvm_report_scan_aborted(struct iwl_mvm *mvm);
1318 void iwl_mvm_scan_timeout(unsigned long data);
1319
1320 /* Scheduled scan */
1321 void iwl_mvm_rx_lmac_scan_complete_notif(struct iwl_mvm *mvm,
1322                                          struct iwl_rx_cmd_buffer *rxb);
1323 void iwl_mvm_rx_lmac_scan_iter_complete_notif(struct iwl_mvm *mvm,
1324                                               struct iwl_rx_cmd_buffer *rxb);
1325 int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm,
1326                              struct ieee80211_vif *vif,
1327                              struct cfg80211_sched_scan_request *req,
1328                              struct ieee80211_scan_ies *ies,
1329                              int type);
1330 void iwl_mvm_rx_scan_match_found(struct iwl_mvm *mvm,
1331                                  struct iwl_rx_cmd_buffer *rxb);
1332
1333 /* UMAC scan */
1334 int iwl_mvm_config_scan(struct iwl_mvm *mvm);
1335 void iwl_mvm_rx_umac_scan_complete_notif(struct iwl_mvm *mvm,
1336                                          struct iwl_rx_cmd_buffer *rxb);
1337 void iwl_mvm_rx_umac_scan_iter_complete_notif(struct iwl_mvm *mvm,
1338                                               struct iwl_rx_cmd_buffer *rxb);
1339
1340 /* Paging */
1341 void iwl_free_fw_paging(struct iwl_mvm *mvm);
1342
1343 /* MVM debugfs */
1344 #ifdef CONFIG_IWLWIFI_DEBUGFS
1345 int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir);
1346 void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1347 void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1348 #else
1349 static inline int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm,
1350                                          struct dentry *dbgfs_dir)
1351 {
1352         return 0;
1353 }
1354 static inline void
1355 iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1356 {
1357 }
1358 static inline void
1359 iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1360 {
1361 }
1362 #endif /* CONFIG_IWLWIFI_DEBUGFS */
1363
1364 /* rate scaling */
1365 int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool init);
1366 void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm, u32 rate, bool agg);
1367 int rs_pretty_print_rate(char *buf, const u32 rate);
1368 void rs_update_last_rssi(struct iwl_mvm *mvm,
1369                          struct iwl_lq_sta *lq_sta,
1370                          struct ieee80211_rx_status *rx_status);
1371
1372 /* power management */
1373 int iwl_mvm_power_update_device(struct iwl_mvm *mvm);
1374 int iwl_mvm_power_update_mac(struct iwl_mvm *mvm);
1375 int iwl_mvm_power_update_ps(struct iwl_mvm *mvm);
1376 int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1377                                  char *buf, int bufsz);
1378
1379 void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1380 void iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm,
1381                                               struct iwl_rx_cmd_buffer *rxb);
1382
1383 #ifdef CONFIG_IWLWIFI_LEDS
1384 int iwl_mvm_leds_init(struct iwl_mvm *mvm);
1385 void iwl_mvm_leds_exit(struct iwl_mvm *mvm);
1386 #else
1387 static inline int iwl_mvm_leds_init(struct iwl_mvm *mvm)
1388 {
1389         return 0;
1390 }
1391 static inline void iwl_mvm_leds_exit(struct iwl_mvm *mvm)
1392 {
1393 }
1394 #endif
1395
1396 /* D3 (WoWLAN, NetDetect) */
1397 int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan);
1398 int iwl_mvm_resume(struct ieee80211_hw *hw);
1399 void iwl_mvm_set_wakeup(struct ieee80211_hw *hw, bool enabled);
1400 void iwl_mvm_set_rekey_data(struct ieee80211_hw *hw,
1401                             struct ieee80211_vif *vif,
1402                             struct cfg80211_gtk_rekey_data *data);
1403 void iwl_mvm_ipv6_addr_change(struct ieee80211_hw *hw,
1404                               struct ieee80211_vif *vif,
1405                               struct inet6_dev *idev);
1406 void iwl_mvm_set_default_unicast_key(struct ieee80211_hw *hw,
1407                                      struct ieee80211_vif *vif, int idx);
1408 extern const struct file_operations iwl_dbgfs_d3_test_ops;
1409 #ifdef CONFIG_PM
1410 int iwl_mvm_wowlan_config_key_params(struct iwl_mvm *mvm,
1411                                      struct ieee80211_vif *vif,
1412                                      bool host_awake,
1413                                      u32 cmd_flags);
1414 void iwl_mvm_d0i3_update_keys(struct iwl_mvm *mvm,
1415                               struct ieee80211_vif *vif,
1416                               struct iwl_wowlan_status *status);
1417 void iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm,
1418                                  struct ieee80211_vif *vif);
1419 #else
1420 static inline int iwl_mvm_wowlan_config_key_params(struct iwl_mvm *mvm,
1421                                                    struct ieee80211_vif *vif,
1422                                                    bool host_awake,
1423                                                    u32 cmd_flags)
1424 {
1425         return 0;
1426 }
1427
1428 static inline void iwl_mvm_d0i3_update_keys(struct iwl_mvm *mvm,
1429                                             struct ieee80211_vif *vif,
1430                                             struct iwl_wowlan_status *status)
1431 {
1432 }
1433
1434 static inline void
1435 iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1436 {
1437 }
1438 #endif
1439 void iwl_mvm_set_wowlan_qos_seq(struct iwl_mvm_sta *mvm_ap_sta,
1440                                 struct iwl_wowlan_config_cmd *cmd);
1441 int iwl_mvm_send_proto_offload(struct iwl_mvm *mvm,
1442                                struct ieee80211_vif *vif,
1443                                bool disable_offloading,
1444                                bool offload_ns,
1445                                u32 cmd_flags);
1446
1447 /* D0i3 */
1448 void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1449 void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1450 int iwl_mvm_ref_sync(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1451 bool iwl_mvm_ref_taken(struct iwl_mvm *mvm);
1452 void iwl_mvm_d0i3_enable_tx(struct iwl_mvm *mvm, __le16 *qos_seq);
1453 int iwl_mvm_enter_d0i3(struct iwl_op_mode *op_mode);
1454 int iwl_mvm_exit_d0i3(struct iwl_op_mode *op_mode);
1455 int _iwl_mvm_exit_d0i3(struct iwl_mvm *mvm);
1456
1457 /* BT Coex */
1458 int iwl_send_bt_init_conf(struct iwl_mvm *mvm);
1459 void iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm,
1460                               struct iwl_rx_cmd_buffer *rxb);
1461 void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1462                            enum ieee80211_rssi_event_data);
1463 void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm);
1464 u16 iwl_mvm_coex_agg_time_limit(struct iwl_mvm *mvm,
1465                                 struct ieee80211_sta *sta);
1466 bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm,
1467                                      struct ieee80211_sta *sta);
1468 bool iwl_mvm_bt_coex_is_ant_avail(struct iwl_mvm *mvm, u8 ant);
1469 bool iwl_mvm_bt_coex_is_shared_ant_avail(struct iwl_mvm *mvm);
1470 bool iwl_mvm_bt_coex_is_tpc_allowed(struct iwl_mvm *mvm,
1471                                     enum nl80211_band band);
1472 u8 iwl_mvm_bt_coex_tx_prio(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr,
1473                            struct ieee80211_tx_info *info, u8 ac);
1474
1475 /* beacon filtering */
1476 #ifdef CONFIG_IWLWIFI_DEBUGFS
1477 void
1478 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1479                                          struct iwl_beacon_filter_cmd *cmd);
1480 #else
1481 static inline void
1482 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1483                                          struct iwl_beacon_filter_cmd *cmd)
1484 {}
1485 #endif
1486 int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm,
1487                                    struct ieee80211_vif *vif,
1488                                    bool enable, u32 flags);
1489 int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
1490                                  struct ieee80211_vif *vif,
1491                                  u32 flags);
1492 int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
1493                                   struct ieee80211_vif *vif,
1494                                   u32 flags);
1495 /* SMPS */
1496 void iwl_mvm_update_smps(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1497                                 enum iwl_mvm_smps_type_request req_type,
1498                                 enum ieee80211_smps_mode smps_request);
1499 bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm *mvm);
1500
1501 /* Low latency */
1502 int iwl_mvm_update_low_latency(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1503                                bool value);
1504 /* get SystemLowLatencyMode - only needed for beacon threshold? */
1505 bool iwl_mvm_low_latency(struct iwl_mvm *mvm);
1506 /* get VMACLowLatencyMode */
1507 static inline bool iwl_mvm_vif_low_latency(struct iwl_mvm_vif *mvmvif)
1508 {
1509         /*
1510          * should this consider associated/active/... state?
1511          *
1512          * Normally low-latency should only be active on interfaces
1513          * that are active, but at least with debugfs it can also be
1514          * enabled on interfaces that aren't active. However, when
1515          * interface aren't active then they aren't added into the
1516          * binding, so this has no real impact. For now, just return
1517          * the current desired low-latency state.
1518          */
1519         return mvmvif->low_latency_dbgfs ||
1520                mvmvif->low_latency_traffic ||
1521                mvmvif->low_latency_vcmd;
1522 }
1523
1524 /* hw scheduler queue config */
1525 void iwl_mvm_enable_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue,
1526                         u16 ssn, const struct iwl_trans_txq_scd_cfg *cfg,
1527                         unsigned int wdg_timeout);
1528 /*
1529  * Disable a TXQ.
1530  * Note that in non-DQA mode the %mac80211_queue and %tid params are ignored.
1531  */
1532 void iwl_mvm_disable_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue,
1533                          u8 tid, u8 flags);
1534 int iwl_mvm_find_free_queue(struct iwl_mvm *mvm, u8 minq, u8 maxq);
1535
1536 /* Return a bitmask with all the hw supported queues, except for the
1537  * command queue, which can't be flushed.
1538  */
1539 static inline u32 iwl_mvm_flushable_queues(struct iwl_mvm *mvm)
1540 {
1541         return ((BIT(mvm->cfg->base_params->num_of_queues) - 1) &
1542                 ~BIT(IWL_MVM_CMD_QUEUE));
1543 }
1544
1545 static inline
1546 void iwl_mvm_enable_ac_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue,
1547                            u8 fifo, u16 ssn, unsigned int wdg_timeout)
1548 {
1549         struct iwl_trans_txq_scd_cfg cfg = {
1550                 .fifo = fifo,
1551                 .tid = IWL_MAX_TID_COUNT,
1552                 .aggregate = false,
1553                 .frame_limit = IWL_FRAME_LIMIT,
1554         };
1555
1556         iwl_mvm_enable_txq(mvm, queue, mac80211_queue, ssn, &cfg, wdg_timeout);
1557 }
1558
1559 static inline void iwl_mvm_stop_device(struct iwl_mvm *mvm)
1560 {
1561         mvm->ucode_loaded = false;
1562         iwl_trans_stop_device(mvm->trans);
1563 }
1564
1565 /* Stop/start all mac queues in a given bitmap */
1566 void iwl_mvm_start_mac_queues(struct iwl_mvm *mvm, unsigned long mq);
1567 void iwl_mvm_stop_mac_queues(struct iwl_mvm *mvm, unsigned long mq);
1568
1569 /* Thermal management and CT-kill */
1570 void iwl_mvm_tt_tx_backoff(struct iwl_mvm *mvm, u32 backoff);
1571 void iwl_mvm_tt_temp_changed(struct iwl_mvm *mvm, u32 temp);
1572 void iwl_mvm_temp_notif(struct iwl_mvm *mvm,
1573                         struct iwl_rx_cmd_buffer *rxb);
1574 void iwl_mvm_tt_handler(struct iwl_mvm *mvm);
1575 void iwl_mvm_thermal_initialize(struct iwl_mvm *mvm, u32 min_backoff);
1576 void iwl_mvm_thermal_exit(struct iwl_mvm *mvm);
1577 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state);
1578 int iwl_mvm_get_temp(struct iwl_mvm *mvm, s32 *temp);
1579 void iwl_mvm_ct_kill_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1580 int iwl_mvm_send_temp_report_ths_cmd(struct iwl_mvm *mvm);
1581 int iwl_mvm_ctdp_command(struct iwl_mvm *mvm, u32 op, u32 budget);
1582
1583 /* Location Aware Regulatory */
1584 struct iwl_mcc_update_resp *
1585 iwl_mvm_update_mcc(struct iwl_mvm *mvm, const char *alpha2,
1586                    enum iwl_mcc_source src_id);
1587 int iwl_mvm_init_mcc(struct iwl_mvm *mvm);
1588 void iwl_mvm_rx_chub_update_mcc(struct iwl_mvm *mvm,
1589                                 struct iwl_rx_cmd_buffer *rxb);
1590 struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy,
1591                                                   const char *alpha2,
1592                                                   enum iwl_mcc_source src_id,
1593                                                   bool *changed);
1594 struct ieee80211_regdomain *iwl_mvm_get_current_regdomain(struct iwl_mvm *mvm,
1595                                                           bool *changed);
1596 int iwl_mvm_init_fw_regd(struct iwl_mvm *mvm);
1597 void iwl_mvm_update_changed_regdom(struct iwl_mvm *mvm);
1598
1599 /* smart fifo */
1600 int iwl_mvm_sf_update(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1601                       bool added_vif);
1602
1603 /* TDLS */
1604
1605 /*
1606  * We use TID 4 (VI) as a FW-used-only TID when TDLS connections are present.
1607  * This TID is marked as used vs the AP and all connected TDLS peers.
1608  */
1609 #define IWL_MVM_TDLS_FW_TID 4
1610
1611 int iwl_mvm_tdls_sta_count(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1612 void iwl_mvm_teardown_tdls_peers(struct iwl_mvm *mvm);
1613 void iwl_mvm_recalc_tdls_state(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1614                                bool sta_added);
1615 void iwl_mvm_mac_mgd_protect_tdls_discover(struct ieee80211_hw *hw,
1616                                            struct ieee80211_vif *vif);
1617 int iwl_mvm_tdls_channel_switch(struct ieee80211_hw *hw,
1618                                 struct ieee80211_vif *vif,
1619                                 struct ieee80211_sta *sta, u8 oper_class,
1620                                 struct cfg80211_chan_def *chandef,
1621                                 struct sk_buff *tmpl_skb, u32 ch_sw_tm_ie);
1622 void iwl_mvm_tdls_recv_channel_switch(struct ieee80211_hw *hw,
1623                                       struct ieee80211_vif *vif,
1624                                       struct ieee80211_tdls_ch_sw_params *params);
1625 void iwl_mvm_tdls_cancel_channel_switch(struct ieee80211_hw *hw,
1626                                         struct ieee80211_vif *vif,
1627                                         struct ieee80211_sta *sta);
1628 void iwl_mvm_rx_tdls_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1629 void iwl_mvm_tdls_ch_switch_work(struct work_struct *work);
1630
1631 struct ieee80211_vif *iwl_mvm_get_bss_vif(struct iwl_mvm *mvm);
1632
1633 void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error);
1634 unsigned int iwl_mvm_get_wd_timeout(struct iwl_mvm *mvm,
1635                                     struct ieee80211_vif *vif,
1636                                     bool tdls, bool cmd_q);
1637 void iwl_mvm_connection_loss(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1638                              const char *errmsg);
1639
1640 /* Link Quality Measurement */
1641 int iwl_mvm_send_lqm_cmd(struct ieee80211_vif *vif,
1642                          enum iwl_lqm_cmd_operatrions operation,
1643                          u32 duration, u32 timeout);
1644 bool iwl_mvm_lqm_active(struct iwl_mvm *mvm);
1645
1646 #endif /* __IWL_MVM_H__ */