drivers/net/wireless/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 - 2013 Intel Corporation. All rights reserved.
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of version 2 of the GNU General Public License as
  12  * published by the Free Software Foundation.
  13  *
  14  * This program is distributed in the hope that it will be useful, but
  15  * WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
  22  * USA
  23  *
  24  * The full GNU General Public License is included in this distribution
  25  * in the file called COPYING.
  26  *
  27  * Contact Information:
  28  *  Intel Linux Wireless <ilw@linux.intel.com>
  29  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  30  *
  31  * BSD LICENSE
  32  *
  33  * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved.
  34  * All rights reserved.
  35  *
  36  * Redistribution and use in source and binary forms, with or without
  37  * modification, are permitted provided that the following conditions
  38  * are met:
  39  *
  40  *  * Redistributions of source code must retain the above copyright
  41  *    notice, this list of conditions and the following disclaimer.
  42  *  * Redistributions in binary form must reproduce the above copyright
  43  *    notice, this list of conditions and the following disclaimer in
  44  *    the documentation and/or other materials provided with the
  45  *    distribution.
  46  *  * Neither the name Intel Corporation nor the names of its
  47  *    contributors may be used to endorse or promote products derived
  48  *    from this software without specific prior written permission.
  49  *
  50  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  51  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  52  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  53  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  54  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  55  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  56  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  57  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  58  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  59  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  60  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  61  *
  62  *****************************************************************************/
  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
  85 enum iwl_mvm_tx_fifo {
  86         IWL_MVM_TX_FIFO_BK = 0,
  87         IWL_MVM_TX_FIFO_BE,
  88         IWL_MVM_TX_FIFO_VI,
  89         IWL_MVM_TX_FIFO_VO,
  90         IWL_MVM_TX_FIFO_MCAST = 5,
  91 };
  92
  93 extern struct ieee80211_ops iwl_mvm_hw_ops;
  94 extern const struct iwl_mvm_power_ops pm_legacy_ops;
  95 extern const struct iwl_mvm_power_ops pm_mac_ops;
  96
  97 /**
  98  * struct iwl_mvm_mod_params - module parameters for iwlmvm
  99  * @init_dbg: if true, then the NIC won't be stopped if the INIT fw asserted.
 100  *      We will register to mac80211 to have testmode working. The NIC must not
 101  *      be up'ed after the INIT fw asserted. This is useful to be able to use
 102  *      proprietary tools over testmode to debug the INIT fw.
 103  * @power_scheme: CAM(Continuous Active Mode)-1, BPS(Balanced Power
 104  *      Save)-2(default), LP(Low Power)-3
 105  */
 106 struct iwl_mvm_mod_params {
 107         bool init_dbg;
 108         int power_scheme;
 109 };
 110 extern struct iwl_mvm_mod_params iwlmvm_mod_params;
 111
 112 struct iwl_mvm_phy_ctxt {
 113         u16 id;
 114         u16 color;
 115         u32 ref;
 116
 117         /*
 118          * TODO: This should probably be removed. Currently here only for rate
 119          * scaling algorithm
 120          */
 121         struct ieee80211_channel *channel;
 122 };
 123
 124 struct iwl_mvm_time_event_data {
 125         struct ieee80211_vif *vif;
 126         struct list_head list;
 127         unsigned long end_jiffies;
 128         u32 duration;
 129         bool running;
 130         u32 uid;
 131
 132         /*
 133          * The access to the 'id' field must be done when the
 134          * mvm->time_event_lock is held, as it value is used to indicate
 135          * if the te is in the time event list or not (when id == TE_MAX)
 136          */
 137         u32 id;
 138 };
 139
 140  /* Power management */
 141
 142 /**
 143  * enum iwl_power_scheme
 144  * @IWL_POWER_LEVEL_CAM - Continuously Active Mode
 145  * @IWL_POWER_LEVEL_BPS - Balanced Power Save (default)
 146  * @IWL_POWER_LEVEL_LP  - Low Power
 147  */
 148 enum iwl_power_scheme {
 149         IWL_POWER_SCHEME_CAM = 1,
 150         IWL_POWER_SCHEME_BPS,
 151         IWL_POWER_SCHEME_LP
 152 };
 153
 154 #define IWL_CONN_MAX_LISTEN_INTERVAL    70
 155 #define IWL_UAPSD_AC_INFO               (IEEE80211_WMM_IE_STA_QOSINFO_AC_VO |\
 156                                          IEEE80211_WMM_IE_STA_QOSINFO_AC_VI |\
 157                                          IEEE80211_WMM_IE_STA_QOSINFO_AC_BK |\
 158                                          IEEE80211_WMM_IE_STA_QOSINFO_AC_BE)
 159 #define IWL_UAPSD_MAX_SP                IEEE80211_WMM_IE_STA_QOSINFO_SP_2
 160
 161 struct iwl_mvm_power_ops {
 162         int (*power_update_mode)(struct iwl_mvm *mvm,
 163                                  struct ieee80211_vif *vif);
 164         int (*power_update_device_mode)(struct iwl_mvm *mvm);
 165         int (*power_disable)(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 166 #ifdef CONFIG_IWLWIFI_DEBUGFS
 167         int (*power_dbgfs_read)(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 168                                 char *buf, int bufsz);
 169 #endif
 170 };
 171
 172
 173 #ifdef CONFIG_IWLWIFI_DEBUGFS
 174 enum iwl_dbgfs_pm_mask {
 175         MVM_DEBUGFS_PM_KEEP_ALIVE = BIT(0),
 176         MVM_DEBUGFS_PM_SKIP_OVER_DTIM = BIT(1),
 177         MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS = BIT(2),
 178         MVM_DEBUGFS_PM_RX_DATA_TIMEOUT = BIT(3),
 179         MVM_DEBUGFS_PM_TX_DATA_TIMEOUT = BIT(4),
 180         MVM_DEBUGFS_PM_DISABLE_POWER_OFF = BIT(5),
 181         MVM_DEBUGFS_PM_LPRX_ENA = BIT(6),
 182         MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD = BIT(7),
 183         MVM_DEBUGFS_PM_SNOOZE_ENABLE = BIT(8),
 184 };
 185
 186 struct iwl_dbgfs_pm {
 187         u16 keep_alive_seconds;
 188         u32 rx_data_timeout;
 189         u32 tx_data_timeout;
 190         bool skip_over_dtim;
 191         u8 skip_dtim_periods;
 192         bool disable_power_off;
 193         bool lprx_ena;
 194         u32 lprx_rssi_threshold;
 195         bool snooze_ena;
 196         int mask;
 197 };
 198
 199 /* beacon filtering */
 200
 201 enum iwl_dbgfs_bf_mask {
 202         MVM_DEBUGFS_BF_ENERGY_DELTA = BIT(0),
 203         MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA = BIT(1),
 204         MVM_DEBUGFS_BF_ROAMING_STATE = BIT(2),
 205         MVM_DEBUGFS_BF_TEMP_THRESHOLD = BIT(3),
 206         MVM_DEBUGFS_BF_TEMP_FAST_FILTER = BIT(4),
 207         MVM_DEBUGFS_BF_TEMP_SLOW_FILTER = BIT(5),
 208         MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER = BIT(6),
 209         MVM_DEBUGFS_BF_DEBUG_FLAG = BIT(7),
 210         MVM_DEBUGFS_BF_ESCAPE_TIMER = BIT(8),
 211         MVM_DEBUGFS_BA_ESCAPE_TIMER = BIT(9),
 212         MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT = BIT(10),
 213 };
 214
 215 struct iwl_dbgfs_bf {
 216         u32 bf_energy_delta;
 217         u32 bf_roaming_energy_delta;
 218         u32 bf_roaming_state;
 219         u32 bf_temp_threshold;
 220         u32 bf_temp_fast_filter;
 221         u32 bf_temp_slow_filter;
 222         u32 bf_enable_beacon_filter;
 223         u32 bf_debug_flag;
 224         u32 bf_escape_timer;
 225         u32 ba_escape_timer;
 226         u32 ba_enable_beacon_abort;
 227         int mask;
 228 };
 229 #endif
 230
 231 enum iwl_mvm_smps_type_request {
 232         IWL_MVM_SMPS_REQ_BT_COEX,
 233         IWL_MVM_SMPS_REQ_TT,
 234         NUM_IWL_MVM_SMPS_REQ,
 235 };
 236
 237 /**
 238 * struct iwl_mvm_vif_bf_data - beacon filtering related data
 239 * @bf_enabled: indicates if beacon filtering is enabled
 240 * @ba_enabled: indicated if beacon abort is enabled
 241 * @last_beacon_signal: last beacon rssi signal in dbm
 242 * @ave_beacon_signal: average beacon signal
 243 * @last_cqm_event: rssi of the last cqm event
 244 * @bt_coex_min_thold: minimum threshold for BT coex
 245 * @bt_coex_max_thold: maximum threshold for BT coex
 246 * @last_bt_coex_event: rssi of the last BT coex event
 247 */
 248 struct iwl_mvm_vif_bf_data {
 249         bool bf_enabled;
 250         bool ba_enabled;
 251         s8 ave_beacon_signal;
 252         s8 last_cqm_event;
 253         s8 bt_coex_min_thold;
 254         s8 bt_coex_max_thold;
 255         s8 last_bt_coex_event;
 256 };
 257
 258 /**
 259  * struct iwl_mvm_vif - data per Virtual Interface, it is a MAC context
 260  * @id: between 0 and 3
 261  * @color: to solve races upon MAC addition and removal
 262  * @ap_sta_id: the sta_id of the AP - valid only if VIF type is STA
 263  * @uploaded: indicates the MAC context has been added to the device
 264  * @ap_ibss_active: indicates that AP/IBSS is configured and that the interface
 265  *      should get quota etc.
 266  * @monitor_active: indicates that monitor context is configured, and that the
 267  * interface should get quota etc.
 268  * @queue_params: QoS params for this MAC
 269  * @bcast_sta: station used for broadcast packets. Used by the following
 270  *  vifs: P2P_DEVICE, GO and AP.
 271  * @beacon_skb: the skb used to hold the AP/GO beacon template
 272  * @smps_requests: the requests of of differents parts of the driver, regard
 273         the desired smps mode.
 274  */
 275 struct iwl_mvm_vif {
 276         u16 id;
 277         u16 color;
 278         u8 ap_sta_id;
 279
 280         bool uploaded;
 281         bool ap_ibss_active;
 282         bool monitor_active;
 283         struct iwl_mvm_vif_bf_data bf_data;
 284
 285         u32 ap_beacon_time;
 286
 287         enum iwl_tsf_id tsf_id;
 288
 289         /*
 290          * QoS data from mac80211, need to store this here
 291          * as mac80211 has a separate callback but we need
 292          * to have the data for the MAC context
 293          */
 294         struct ieee80211_tx_queue_params queue_params[IEEE80211_NUM_ACS];
 295         struct iwl_mvm_time_event_data time_event_data;
 296
 297         struct iwl_mvm_int_sta bcast_sta;
 298
 299         /*
 300          * Assigned while mac80211 has the interface in a channel context,
 301          * or, for P2P Device, while it exists.
 302          */
 303         struct iwl_mvm_phy_ctxt *phy_ctxt;
 304
 305 #ifdef CONFIG_PM_SLEEP
 306         /* WoWLAN GTK rekey data */
 307         struct {
 308                 u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN];
 309                 __le64 replay_ctr;
 310                 bool valid;
 311         } rekey_data;
 312
 313         int tx_key_idx;
 314
 315         bool seqno_valid;
 316         u16 seqno;
 317
 318 #if IS_ENABLED(CONFIG_IPV6)
 319         /* IPv6 addresses for WoWLAN */
 320         struct in6_addr target_ipv6_addrs[IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_MAX];
 321         int num_target_ipv6_addrs;
 322 #endif
 323 #endif
 324
 325 #ifdef CONFIG_IWLWIFI_DEBUGFS
 326         struct dentry *dbgfs_dir;
 327         struct dentry *dbgfs_slink;
 328         void *dbgfs_data;
 329         struct iwl_dbgfs_pm dbgfs_pm;
 330         struct iwl_dbgfs_bf dbgfs_bf;
 331 #endif
 332
 333         enum ieee80211_smps_mode smps_requests[NUM_IWL_MVM_SMPS_REQ];
 334 };
 335
 336 static inline struct iwl_mvm_vif *
 337 iwl_mvm_vif_from_mac80211(struct ieee80211_vif *vif)
 338 {
 339         return (void *)vif->drv_priv;
 340 }
 341
 342 enum iwl_scan_status {
 343         IWL_MVM_SCAN_NONE,
 344         IWL_MVM_SCAN_OS,
 345         IWL_MVM_SCAN_SCHED,
 346 };
 347
 348 /**
 349  * struct iwl_nvm_section - describes an NVM section in memory.
 350  *
 351  * This struct holds an NVM section read from the NIC using NVM_ACCESS_CMD,
 352  * and saved for later use by the driver. Not all NVM sections are saved
 353  * this way, only the needed ones.
 354  */
 355 struct iwl_nvm_section {
 356         u16 length;
 357         const u8 *data;
 358 };
 359
 360 /*
 361  * Tx-backoff threshold
 362  * @temperature: The threshold in Celsius
 363  * @backoff: The tx-backoff in uSec
 364  */
 365 struct iwl_tt_tx_backoff {
 366         s32 temperature;
 367         u32 backoff;
 368 };
 369
 370 #define TT_TX_BACKOFF_SIZE 6
 371
 372 /**
 373  * struct iwl_tt_params - thermal throttling parameters
 374  * @ct_kill_entry: CT Kill entry threshold
 375  * @ct_kill_exit: CT Kill exit threshold
 376  * @ct_kill_duration: The time  intervals (in uSec) in which the driver needs
 377  *      to checks whether to exit CT Kill.
 378  * @dynamic_smps_entry: Dynamic SMPS entry threshold
 379  * @dynamic_smps_exit: Dynamic SMPS exit threshold
 380  * @tx_protection_entry: TX protection entry threshold
 381  * @tx_protection_exit: TX protection exit threshold
 382  * @tx_backoff: Array of thresholds for tx-backoff , in ascending order.
 383  * @support_ct_kill: Support CT Kill?
 384  * @support_dynamic_smps: Support dynamic SMPS?
 385  * @support_tx_protection: Support tx protection?
 386  * @support_tx_backoff: Support tx-backoff?
 387  */
 388 struct iwl_tt_params {
 389         s32 ct_kill_entry;
 390         s32 ct_kill_exit;
 391         u32 ct_kill_duration;
 392         s32 dynamic_smps_entry;
 393         s32 dynamic_smps_exit;
 394         s32 tx_protection_entry;
 395         s32 tx_protection_exit;
 396         struct iwl_tt_tx_backoff tx_backoff[TT_TX_BACKOFF_SIZE];
 397         bool support_ct_kill;
 398         bool support_dynamic_smps;
 399         bool support_tx_protection;
 400         bool support_tx_backoff;
 401 };
 402
 403 /**
 404  * struct iwl_mvm_tt_mgnt - Thermal Throttling Management structure
 405  * @ct_kill_exit: worker to exit thermal kill
 406  * @dynamic_smps: Is thermal throttling enabled dynamic_smps?
 407  * @tx_backoff: The current thremal throttling tx backoff in uSec.
 408  * @params: Parameters to configure the thermal throttling algorithm.
 409  * @throttle: Is thermal throttling is active?
 410  */
 411 struct iwl_mvm_tt_mgmt {
 412         struct delayed_work ct_kill_exit;
 413         bool dynamic_smps;
 414         u32 tx_backoff;
 415         const struct iwl_tt_params *params;
 416         bool throttle;
 417 };
 418
 419 struct iwl_mvm {
 420         /* for logger access */
 421         struct device *dev;
 422
 423         struct iwl_trans *trans;
 424         const struct iwl_fw *fw;
 425         const struct iwl_cfg *cfg;
 426         struct iwl_phy_db *phy_db;
 427         struct ieee80211_hw *hw;
 428
 429         /* for protecting access to iwl_mvm */
 430         struct mutex mutex;
 431         struct list_head async_handlers_list;
 432         spinlock_t async_handlers_lock;
 433         struct work_struct async_handlers_wk;
 434
 435         struct work_struct roc_done_wk;
 436
 437         unsigned long status;
 438
 439         /*
 440          * for beacon filtering -
 441          * currently only one interface can be supported
 442          */
 443         struct iwl_mvm_vif *bf_allowed_vif;
 444
 445         enum iwl_ucode_type cur_ucode;
 446         bool ucode_loaded;
 447         bool init_ucode_complete;
 448         u32 error_event_table;
 449         u32 log_event_table;
 450
 451         u32 ampdu_ref;
 452
 453         struct iwl_notif_wait_data notif_wait;
 454
 455         struct mvm_statistics_rx rx_stats;
 456
 457         unsigned long transport_queue_stop;
 458         u8 queue_to_mac80211[IWL_MAX_HW_QUEUES];
 459         atomic_t queue_stop_count[IWL_MAX_HW_QUEUES];
 460
 461         struct iwl_nvm_data *nvm_data;
 462         /* NVM sections */
 463         struct iwl_nvm_section nvm_sections[NVM_NUM_OF_SECTIONS];
 464
 465         /* EEPROM MAC addresses */
 466         struct mac_address addresses[IWL_MVM_MAX_ADDRESSES];
 467
 468         /* data related to data path */
 469         struct iwl_rx_phy_info last_phy_info;
 470         struct ieee80211_sta __rcu *fw_id_to_mac_id[IWL_MVM_STATION_COUNT];
 471         struct work_struct sta_drained_wk;
 472         unsigned long sta_drained[BITS_TO_LONGS(IWL_MVM_STATION_COUNT)];
 473         atomic_t pending_frames[IWL_MVM_STATION_COUNT];
 474         u8 rx_ba_sessions;
 475
 476         /* configured by mac80211 */
 477         u32 rts_threshold;
 478
 479         /* Scan status, cmd (pre-allocated) and auxiliary station */
 480         enum iwl_scan_status scan_status;
 481         struct iwl_scan_cmd *scan_cmd;
 482
 483         /* rx chain antennas set through debugfs for the scan command */
 484         u8 scan_rx_ant;
 485
 486         /* Internal station */
 487         struct iwl_mvm_int_sta aux_sta;
 488
 489         u8 scan_last_antenna_idx; /* to toggle TX between antennas */
 490         u8 mgmt_last_antenna_idx;
 491
 492 #ifdef CONFIG_IWLWIFI_DEBUGFS
 493         struct dentry *debugfs_dir;
 494         u32 dbgfs_sram_offset, dbgfs_sram_len;
 495         bool disable_power_off;
 496         bool disable_power_off_d3;
 497 #endif
 498
 499         struct iwl_mvm_phy_ctxt phy_ctxts[NUM_PHY_CTX];
 500
 501         struct list_head time_event_list;
 502         spinlock_t time_event_lock;
 503
 504         /*
 505          * A bitmap indicating the index of the key in use. The firmware
 506          * can hold 16 keys at most. Reflect this fact.
 507          */
 508         unsigned long fw_key_table[BITS_TO_LONGS(STA_KEY_MAX_NUM)];
 509
 510         /*
 511          * This counter of created interfaces is referenced only in conjunction
 512          * with FW limitation related to power management. Currently PM is
 513          * supported only on a single interface.
 514          * IMPORTANT: this variable counts all interfaces except P2P device.
 515          */
 516         u8 vif_count;
 517
 518         /* -1 for always, 0 for never, >0 for that many times */
 519         s8 restart_fw;
 520
 521         struct led_classdev led;
 522
 523         struct ieee80211_vif *p2p_device_vif;
 524
 525 #ifdef CONFIG_PM_SLEEP
 526         struct wiphy_wowlan_support wowlan;
 527         int gtk_ivlen, gtk_icvlen, ptk_ivlen, ptk_icvlen;
 528 #ifdef CONFIG_IWLWIFI_DEBUGFS
 529         u32 d3_wake_sysassert; /* must be u32 for debugfs_create_bool */
 530         bool d3_test_active;
 531         bool store_d3_resume_sram;
 532         void *d3_resume_sram;
 533         u32 d3_test_pme_ptr;
 534 #endif
 535 #endif
 536
 537         /* BT-Coex */
 538         u8 bt_kill_msk;
 539         struct iwl_bt_coex_profile_notif last_bt_notif;
 540         struct iwl_bt_coex_ci_cmd last_bt_ci_cmd;
 541
 542         /* Thermal Throttling and CTkill */
 543         struct iwl_mvm_tt_mgmt thermal_throttle;
 544         s32 temperature;        /* Celsius */
 545
 546         const struct iwl_mvm_power_ops *pm_ops;
 547
 548 #ifdef CONFIG_NL80211_TESTMODE
 549         u32 noa_duration;
 550         struct ieee80211_vif *noa_vif;
 551 #endif
 552
 553         /* Tx queues */
 554         u8 aux_queue;
 555         u8 first_agg_queue;
 556         u8 last_agg_queue;
 557 };
 558
 559 /* Extract MVM priv from op_mode and _hw */
 560 #define IWL_OP_MODE_GET_MVM(_iwl_op_mode)               \
 561         ((struct iwl_mvm *)(_iwl_op_mode)->op_mode_specific)
 562
 563 #define IWL_MAC80211_GET_MVM(_hw)                       \
 564         IWL_OP_MODE_GET_MVM((struct iwl_op_mode *)((_hw)->priv))
 565
 566 enum iwl_mvm_status {
 567         IWL_MVM_STATUS_HW_RFKILL,
 568         IWL_MVM_STATUS_HW_CTKILL,
 569         IWL_MVM_STATUS_ROC_RUNNING,
 570         IWL_MVM_STATUS_IN_HW_RESTART,
 571 };
 572
 573 static inline bool iwl_mvm_is_radio_killed(struct iwl_mvm *mvm)
 574 {
 575         return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status) ||
 576                test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
 577 }
 578
 579 extern const u8 iwl_mvm_ac_to_tx_fifo[];
 580
 581 struct iwl_rate_info {
 582         u8 plcp;        /* uCode API:  IWL_RATE_6M_PLCP, etc. */
 583         u8 plcp_siso;   /* uCode API:  IWL_RATE_SISO_6M_PLCP, etc. */
 584         u8 plcp_mimo2;  /* uCode API:  IWL_RATE_MIMO2_6M_PLCP, etc. */
 585         u8 plcp_mimo3;  /* uCode API:  IWL_RATE_MIMO3_6M_PLCP, etc. */
 586         u8 ieee;        /* MAC header:  IWL_RATE_6M_IEEE, etc. */
 587 };
 588
 589 /******************
 590  * MVM Methods
 591  ******************/
 592 /* uCode */
 593 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm);
 594
 595 /* Utils */
 596 int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags,
 597                                         enum ieee80211_band band);
 598 void iwl_mvm_hwrate_to_tx_rate(u32 rate_n_flags,
 599                                enum ieee80211_band band,
 600                                struct ieee80211_tx_rate *r);
 601 u8 iwl_mvm_mac80211_idx_to_hwrate(int rate_idx);
 602 void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm);
 603 void iwl_mvm_dump_sram(struct iwl_mvm *mvm);
 604 u8 first_antenna(u8 mask);
 605 u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx);
 606
 607 /* Tx / Host Commands */
 608 int __must_check iwl_mvm_send_cmd(struct iwl_mvm *mvm,
 609                                   struct iwl_host_cmd *cmd);
 610 int __must_check iwl_mvm_send_cmd_pdu(struct iwl_mvm *mvm, u8 id,
 611                                       u32 flags, u16 len, const void *data);
 612 int __must_check iwl_mvm_send_cmd_status(struct iwl_mvm *mvm,
 613                                          struct iwl_host_cmd *cmd,
 614                                          u32 *status);
 615 int __must_check iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u8 id,
 616                                              u16 len, const void *data,
 617                                              u32 *status);
 618 int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb,
 619                    struct ieee80211_sta *sta);
 620 int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb);
 621 #ifdef CONFIG_IWLWIFI_DEBUG
 622 const char *iwl_mvm_get_tx_fail_reason(u32 status);
 623 #else
 624 static inline const char *iwl_mvm_get_tx_fail_reason(u32 status) { return ""; }
 625 #endif
 626 int iwl_mvm_flush_tx_path(struct iwl_mvm *mvm, u32 tfd_msk, bool sync);
 627 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm);
 628
 629 /* Statistics */
 630 int iwl_mvm_rx_reply_statistics(struct iwl_mvm *mvm,
 631                                 struct iwl_rx_cmd_buffer *rxb,
 632                                 struct iwl_device_cmd *cmd);
 633 int iwl_mvm_rx_statistics(struct iwl_mvm *mvm,
 634                           struct iwl_rx_cmd_buffer *rxb,
 635                           struct iwl_device_cmd *cmd);
 636
 637 /* NVM */
 638 int iwl_nvm_init(struct iwl_mvm *mvm);
 639 int iwl_mvm_load_nvm_to_nic(struct iwl_mvm *mvm);
 640
 641 int iwl_mvm_up(struct iwl_mvm *mvm);
 642 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm);
 643
 644 int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm);
 645
 646 /*
 647  * FW notifications / CMD responses handlers
 648  * Convention: iwl_mvm_rx_<NAME OF THE CMD>
 649  */
 650 int iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 651                           struct iwl_device_cmd *cmd);
 652 int iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 653                        struct iwl_device_cmd *cmd);
 654 int iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 655                       struct iwl_device_cmd *cmd);
 656 int iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 657                         struct iwl_device_cmd *cmd);
 658 int iwl_mvm_rx_radio_ver(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 659                          struct iwl_device_cmd *cmd);
 660 int iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 661                           struct iwl_device_cmd *cmd);
 662 int iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
 663                                 struct iwl_rx_cmd_buffer *rxb,
 664                                 struct iwl_device_cmd *cmd);
 665 int iwl_mvm_rx_radio_ver(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 666                          struct iwl_device_cmd *cmd);
 667
 668 /* MVM PHY */
 669 int iwl_mvm_phy_ctxt_add(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
 670                          struct cfg80211_chan_def *chandef,
 671                          u8 chains_static, u8 chains_dynamic);
 672 int iwl_mvm_phy_ctxt_changed(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
 673                              struct cfg80211_chan_def *chandef,
 674                              u8 chains_static, u8 chains_dynamic);
 675 void iwl_mvm_phy_ctxt_ref(struct iwl_mvm *mvm,
 676                           struct iwl_mvm_phy_ctxt *ctxt);
 677 void iwl_mvm_phy_ctxt_unref(struct iwl_mvm *mvm,
 678                             struct iwl_mvm_phy_ctxt *ctxt);
 679
 680 /* MAC (virtual interface) programming */
 681 int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 682 void iwl_mvm_mac_ctxt_release(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 683 int iwl_mvm_mac_ctxt_add(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 684 int iwl_mvm_mac_ctxt_changed(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 685 int iwl_mvm_mac_ctxt_remove(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 686 u32 iwl_mvm_mac_get_queues_mask(struct iwl_mvm *mvm,
 687                                 struct ieee80211_vif *vif);
 688 int iwl_mvm_mac_ctxt_beacon_changed(struct iwl_mvm *mvm,
 689                                     struct ieee80211_vif *vif);
 690 int iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm,
 691                             struct iwl_rx_cmd_buffer *rxb,
 692                             struct iwl_device_cmd *cmd);
 693 int iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm,
 694                                     struct iwl_rx_cmd_buffer *rxb,
 695                                     struct iwl_device_cmd *cmd);
 696
 697 /* Bindings */
 698 int iwl_mvm_binding_add_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 699 int iwl_mvm_binding_remove_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 700
 701 /* Quota management */
 702 int iwl_mvm_update_quotas(struct iwl_mvm *mvm, struct ieee80211_vif *newvif);
 703
 704 /* Scanning */
 705 int iwl_mvm_scan_request(struct iwl_mvm *mvm,
 706                          struct ieee80211_vif *vif,
 707                          struct cfg80211_scan_request *req);
 708 int iwl_mvm_rx_scan_response(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 709                              struct iwl_device_cmd *cmd);
 710 int iwl_mvm_rx_scan_complete(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 711                              struct iwl_device_cmd *cmd);
 712 void iwl_mvm_cancel_scan(struct iwl_mvm *mvm);
 713
 714 /* Scheduled scan */
 715 int iwl_mvm_rx_scan_offload_complete_notif(struct iwl_mvm *mvm,
 716                                            struct iwl_rx_cmd_buffer *rxb,
 717                                            struct iwl_device_cmd *cmd);
 718 int iwl_mvm_config_sched_scan(struct iwl_mvm *mvm,
 719                               struct ieee80211_vif *vif,
 720                               struct cfg80211_sched_scan_request *req,
 721                               struct ieee80211_sched_scan_ies *ies);
 722 int iwl_mvm_config_sched_scan_profiles(struct iwl_mvm *mvm,
 723                                        struct cfg80211_sched_scan_request *req);
 724 int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm,
 725                              struct cfg80211_sched_scan_request *req);
 726 void iwl_mvm_sched_scan_stop(struct iwl_mvm *mvm);
 727 int iwl_mvm_rx_sched_scan_results(struct iwl_mvm *mvm,
 728                                   struct iwl_rx_cmd_buffer *rxb,
 729                                   struct iwl_device_cmd *cmd);
 730
 731 /* MVM debugfs */
 732 #ifdef CONFIG_IWLWIFI_DEBUGFS
 733 int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir);
 734 void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 735 void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 736 #else
 737 static inline int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm,
 738                                          struct dentry *dbgfs_dir)
 739 {
 740         return 0;
 741 }
 742 static inline void
 743 iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
 744 {
 745 }
 746 static inline void
 747 iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
 748 {
 749 }
 750 #endif /* CONFIG_IWLWIFI_DEBUGFS */
 751
 752 /* rate scaling */
 753 int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq,
 754                         u8 flags, bool init);
 755
 756 /* power managment */
 757 static inline int iwl_mvm_power_update_mode(struct iwl_mvm *mvm,
 758                                             struct ieee80211_vif *vif)
 759 {
 760         return mvm->pm_ops->power_update_mode(mvm, vif);
 761 }
 762
 763 static inline int iwl_mvm_power_disable(struct iwl_mvm *mvm,
 764                                         struct ieee80211_vif *vif)
 765 {
 766         return mvm->pm_ops->power_disable(mvm, vif);
 767 }
 768
 769 static inline int iwl_mvm_power_update_device_mode(struct iwl_mvm *mvm)
 770 {
 771         if (mvm->pm_ops->power_update_device_mode)
 772                 return mvm->pm_ops->power_update_device_mode(mvm);
 773         return 0;
 774 }
 775
 776 #ifdef CONFIG_IWLWIFI_DEBUGFS
 777 static inline int iwl_mvm_power_dbgfs_read(struct iwl_mvm *mvm,
 778                                             struct ieee80211_vif *vif,
 779                                             char *buf, int bufsz)
 780 {
 781         return mvm->pm_ops->power_dbgfs_read(mvm, vif, buf, bufsz);
 782 }
 783 #endif
 784
 785 int iwl_mvm_leds_init(struct iwl_mvm *mvm);
 786 void iwl_mvm_leds_exit(struct iwl_mvm *mvm);
 787
 788 /* D3 (WoWLAN, NetDetect) */
 789 int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan);
 790 int iwl_mvm_resume(struct ieee80211_hw *hw);
 791 void iwl_mvm_set_wakeup(struct ieee80211_hw *hw, bool enabled);
 792 void iwl_mvm_set_rekey_data(struct ieee80211_hw *hw,
 793                             struct ieee80211_vif *vif,
 794                             struct cfg80211_gtk_rekey_data *data);
 795 void iwl_mvm_ipv6_addr_change(struct ieee80211_hw *hw,
 796                               struct ieee80211_vif *vif,
 797                               struct inet6_dev *idev);
 798 void iwl_mvm_set_default_unicast_key(struct ieee80211_hw *hw,
 799                                      struct ieee80211_vif *vif, int idx);
 800 extern const struct file_operations iwl_dbgfs_d3_test_ops;
 801 #ifdef CONFIG_PM_SLEEP
 802 void iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm,
 803                                  struct ieee80211_vif *vif);
 804 #else
 805 static inline void
 806 iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
 807 {
 808 }
 809 #endif
 810
 811 /* BT Coex */
 812 int iwl_send_bt_prio_tbl(struct iwl_mvm *mvm);
 813 int iwl_send_bt_init_conf(struct iwl_mvm *mvm);
 814 int iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm,
 815                              struct iwl_rx_cmd_buffer *rxb,
 816                              struct iwl_device_cmd *cmd);
 817 void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 818                            enum ieee80211_rssi_event rssi_event);
 819 void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm);
 820 u16 iwl_mvm_bt_coex_agg_time_limit(struct iwl_mvm *mvm,
 821                                    struct ieee80211_sta *sta);
 822 bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm,
 823                                      struct ieee80211_sta *sta);
 824
 825 enum iwl_bt_kill_msk {
 826         BT_KILL_MSK_DEFAULT,
 827         BT_KILL_MSK_SCO_HID_A2DP,
 828         BT_KILL_MSK_REDUCED_TXPOW,
 829         BT_KILL_MSK_MAX,
 830 };
 831 extern const u32 iwl_bt_ack_kill_msk[BT_KILL_MSK_MAX];
 832 extern const u32 iwl_bt_cts_kill_msk[BT_KILL_MSK_MAX];
 833
 834 /* beacon filtering */
 835 #ifdef CONFIG_IWLWIFI_DEBUGFS
 836 void
 837 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
 838                                          struct iwl_beacon_filter_cmd *cmd);
 839 #else
 840 static inline void
 841 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
 842                                          struct iwl_beacon_filter_cmd *cmd)
 843 {}
 844 #endif
 845 int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
 846                                  struct ieee80211_vif *vif);
 847 int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
 848                                   struct ieee80211_vif *vif);
 849 int iwl_mvm_beacon_filter_send_cmd(struct iwl_mvm *mvm,
 850                                    struct iwl_beacon_filter_cmd *cmd);
 851 int iwl_mvm_update_beacon_abort(struct iwl_mvm *mvm,
 852                                 struct ieee80211_vif *vif, bool enable);
 853 int iwl_mvm_update_beacon_filter(struct iwl_mvm *mvm,
 854                                   struct ieee80211_vif *vif);
 855
 856 /* SMPS */
 857 void iwl_mvm_update_smps(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 858                                 enum iwl_mvm_smps_type_request req_type,
 859                                 enum ieee80211_smps_mode smps_request);
 860
 861 /* Thermal management and CT-kill */
 862 void iwl_mvm_tt_handler(struct iwl_mvm *mvm);
 863 void iwl_mvm_tt_initialize(struct iwl_mvm *mvm);
 864 void iwl_mvm_tt_exit(struct iwl_mvm *mvm);
 865 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state);
 866
 867 #endif /* __IWL_MVM_H__ */