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 "iwl-trans.h"
  77 #include "sta.h"
  78 #include "fw-api.h"
  79 #include "constants.h"
  80
  81 #define IWL_INVALID_MAC80211_QUEUE      0xff
  82 #define IWL_MVM_MAX_ADDRESSES           5
  83 /* RSSI offset for WkP */
  84 #define IWL_RSSI_OFFSET 50
  85
  86 enum iwl_mvm_tx_fifo {
  87         IWL_MVM_TX_FIFO_BK = 0,
  88         IWL_MVM_TX_FIFO_BE,
  89         IWL_MVM_TX_FIFO_VI,
  90         IWL_MVM_TX_FIFO_VO,
  91         IWL_MVM_TX_FIFO_MCAST = 5,
  92 };
  93
  94 extern struct ieee80211_ops iwl_mvm_hw_ops;
  95 extern const struct iwl_mvm_power_ops pm_legacy_ops;
  96 extern const struct iwl_mvm_power_ops pm_mac_ops;
  97
  98 /**
  99  * struct iwl_mvm_mod_params - module parameters for iwlmvm
 100  * @init_dbg: if true, then the NIC won't be stopped if the INIT fw asserted.
 101  *      We will register to mac80211 to have testmode working. The NIC must not
 102  *      be up'ed after the INIT fw asserted. This is useful to be able to use
 103  *      proprietary tools over testmode to debug the INIT fw.
 104  * @power_scheme: CAM(Continuous Active Mode)-1, BPS(Balanced Power
 105  *      Save)-2(default), LP(Low Power)-3
 106  */
 107 struct iwl_mvm_mod_params {
 108         bool init_dbg;
 109         int power_scheme;
 110 };
 111 extern struct iwl_mvm_mod_params iwlmvm_mod_params;
 112
 113 struct iwl_mvm_phy_ctxt {
 114         u16 id;
 115         u16 color;
 116         u32 ref;
 117
 118         /*
 119          * TODO: This should probably be removed. Currently here only for rate
 120          * scaling algorithm
 121          */
 122         struct ieee80211_channel *channel;
 123 };
 124
 125 struct iwl_mvm_time_event_data {
 126         struct ieee80211_vif *vif;
 127         struct list_head list;
 128         unsigned long end_jiffies;
 129         u32 duration;
 130         bool running;
 131         u32 uid;
 132
 133         /*
 134          * The access to the 'id' field must be done when the
 135          * mvm->time_event_lock is held, as it value is used to indicate
 136          * if the te is in the time event list or not (when id == TE_MAX)
 137          */
 138         u32 id;
 139 };
 140
 141  /* Power management */
 142
 143 /**
 144  * enum iwl_power_scheme
 145  * @IWL_POWER_LEVEL_CAM - Continuously Active Mode
 146  * @IWL_POWER_LEVEL_BPS - Balanced Power Save (default)
 147  * @IWL_POWER_LEVEL_LP  - Low Power
 148  */
 149 enum iwl_power_scheme {
 150         IWL_POWER_SCHEME_CAM = 1,
 151         IWL_POWER_SCHEME_BPS,
 152         IWL_POWER_SCHEME_LP
 153 };
 154
 155 #define IWL_CONN_MAX_LISTEN_INTERVAL    70
 156 #define IWL_UAPSD_AC_INFO               (IEEE80211_WMM_IE_STA_QOSINFO_AC_VO |\
 157                                          IEEE80211_WMM_IE_STA_QOSINFO_AC_VI |\
 158                                          IEEE80211_WMM_IE_STA_QOSINFO_AC_BK |\
 159                                          IEEE80211_WMM_IE_STA_QOSINFO_AC_BE)
 160 #define IWL_UAPSD_MAX_SP                IEEE80211_WMM_IE_STA_QOSINFO_SP_2
 161
 162 struct iwl_mvm_power_ops {
 163         int (*power_update_mode)(struct iwl_mvm *mvm,
 164                                  struct ieee80211_vif *vif);
 165         int (*power_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 };
 184
 185 struct iwl_dbgfs_pm {
 186         u16 keep_alive_seconds;
 187         u32 rx_data_timeout;
 188         u32 tx_data_timeout;
 189         bool skip_over_dtim;
 190         u8 skip_dtim_periods;
 191         bool disable_power_off;
 192         bool lprx_ena;
 193         u32 lprx_rssi_threshold;
 194         int mask;
 195 };
 196
 197 /* beacon filtering */
 198
 199 enum iwl_dbgfs_bf_mask {
 200         MVM_DEBUGFS_BF_ENERGY_DELTA = BIT(0),
 201         MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA = BIT(1),
 202         MVM_DEBUGFS_BF_ROAMING_STATE = BIT(2),
 203         MVM_DEBUGFS_BF_TEMP_THRESHOLD = BIT(3),
 204         MVM_DEBUGFS_BF_TEMP_FAST_FILTER = BIT(4),
 205         MVM_DEBUGFS_BF_TEMP_SLOW_FILTER = BIT(5),
 206         MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER = BIT(6),
 207         MVM_DEBUGFS_BF_DEBUG_FLAG = BIT(7),
 208         MVM_DEBUGFS_BF_ESCAPE_TIMER = BIT(8),
 209         MVM_DEBUGFS_BA_ESCAPE_TIMER = BIT(9),
 210         MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT = BIT(10),
 211 };
 212
 213 struct iwl_dbgfs_bf {
 214         u32 bf_energy_delta;
 215         u32 bf_roaming_energy_delta;
 216         u32 bf_roaming_state;
 217         u32 bf_temp_threshold;
 218         u32 bf_temp_fast_filter;
 219         u32 bf_temp_slow_filter;
 220         u32 bf_enable_beacon_filter;
 221         u32 bf_debug_flag;
 222         u32 bf_escape_timer;
 223         u32 ba_escape_timer;
 224         u32 ba_enable_beacon_abort;
 225         int mask;
 226 };
 227 #endif
 228
 229 enum iwl_mvm_smps_type_request {
 230         IWL_MVM_SMPS_REQ_BT_COEX,
 231         IWL_MVM_SMPS_REQ_TT,
 232         NUM_IWL_MVM_SMPS_REQ,
 233 };
 234
 235 /**
 236 * struct iwl_mvm_vif_bf_data - beacon filtering related data
 237 * @bf_enabled: indicates if beacon filtering is enabled
 238 * @ba_enabled: indicated if beacon abort is enabled
 239 * @last_beacon_signal: last beacon rssi signal in dbm
 240 * @ave_beacon_signal: average beacon signal
 241 * @last_cqm_event: rssi of the last cqm event
 242 */
 243 struct iwl_mvm_vif_bf_data {
 244         bool bf_enabled;
 245         bool ba_enabled;
 246         s8 ave_beacon_signal;
 247         s8 last_cqm_event;
 248 };
 249
 250 /**
 251  * struct iwl_mvm_vif - data per Virtual Interface, it is a MAC context
 252  * @id: between 0 and 3
 253  * @color: to solve races upon MAC addition and removal
 254  * @ap_sta_id: the sta_id of the AP - valid only if VIF type is STA
 255  * @uploaded: indicates the MAC context has been added to the device
 256  * @ap_active: indicates that ap context is configured, and that the interface
 257  *  should get quota etc.
 258  * @monitor_active: indicates that monitor context is configured, and that the
 259  * interface should get quota etc.
 260  * @queue_params: QoS params for this MAC
 261  * @bcast_sta: station used for broadcast packets. Used by the following
 262  *  vifs: P2P_DEVICE, GO and AP.
 263  * @beacon_skb: the skb used to hold the AP/GO beacon template
 264  * @smps_requests: the requests of of differents parts of the driver, regard
 265         the desired smps mode.
 266  */
 267 struct iwl_mvm_vif {
 268         u16 id;
 269         u16 color;
 270         u8 ap_sta_id;
 271
 272         bool uploaded;
 273         bool ap_active;
 274         bool monitor_active;
 275         struct iwl_mvm_vif_bf_data bf_data;
 276
 277         u32 ap_beacon_time;
 278
 279         enum iwl_tsf_id tsf_id;
 280
 281         /*
 282          * QoS data from mac80211, need to store this here
 283          * as mac80211 has a separate callback but we need
 284          * to have the data for the MAC context
 285          */
 286         struct ieee80211_tx_queue_params queue_params[IEEE80211_NUM_ACS];
 287         struct iwl_mvm_time_event_data time_event_data;
 288
 289         struct iwl_mvm_int_sta bcast_sta;
 290
 291         /*
 292          * Assigned while mac80211 has the interface in a channel context,
 293          * or, for P2P Device, while it exists.
 294          */
 295         struct iwl_mvm_phy_ctxt *phy_ctxt;
 296
 297 #ifdef CONFIG_PM_SLEEP
 298         /* WoWLAN GTK rekey data */
 299         struct {
 300                 u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN];
 301                 __le64 replay_ctr;
 302                 bool valid;
 303         } rekey_data;
 304
 305         int tx_key_idx;
 306
 307 #if IS_ENABLED(CONFIG_IPV6)
 308         /* IPv6 addresses for WoWLAN */
 309         struct in6_addr target_ipv6_addrs[IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_MAX];
 310         int num_target_ipv6_addrs;
 311 #endif
 312 #endif
 313
 314 #ifdef CONFIG_IWLWIFI_DEBUGFS
 315         struct dentry *dbgfs_dir;
 316         struct dentry *dbgfs_slink;
 317         void *dbgfs_data;
 318         struct iwl_dbgfs_pm dbgfs_pm;
 319         struct iwl_dbgfs_bf dbgfs_bf;
 320 #endif
 321
 322         enum ieee80211_smps_mode smps_requests[NUM_IWL_MVM_SMPS_REQ];
 323 };
 324
 325 static inline struct iwl_mvm_vif *
 326 iwl_mvm_vif_from_mac80211(struct ieee80211_vif *vif)
 327 {
 328         return (void *)vif->drv_priv;
 329 }
 330
 331 enum iwl_scan_status {
 332         IWL_MVM_SCAN_NONE,
 333         IWL_MVM_SCAN_OS,
 334 };
 335
 336 /**
 337  * struct iwl_nvm_section - describes an NVM section in memory.
 338  *
 339  * This struct holds an NVM section read from the NIC using NVM_ACCESS_CMD,
 340  * and saved for later use by the driver. Not all NVM sections are saved
 341  * this way, only the needed ones.
 342  */
 343 struct iwl_nvm_section {
 344         u16 length;
 345         const u8 *data;
 346 };
 347
 348 /*
 349  * Tx-backoff threshold
 350  * @temperature: The threshold in Celsius
 351  * @backoff: The tx-backoff in uSec
 352  */
 353 struct iwl_tt_tx_backoff {
 354         s32 temperature;
 355         u32 backoff;
 356 };
 357
 358 #define TT_TX_BACKOFF_SIZE 6
 359
 360 /**
 361  * struct iwl_tt_params - thermal throttling parameters
 362  * @ct_kill_entry: CT Kill entry threshold
 363  * @ct_kill_exit: CT Kill exit threshold
 364  * @ct_kill_duration: The time  intervals (in uSec) in which the driver needs
 365  *      to checks whether to exit CT Kill.
 366  * @dynamic_smps_entry: Dynamic SMPS entry threshold
 367  * @dynamic_smps_exit: Dynamic SMPS exit threshold
 368  * @tx_protection_entry: TX protection entry threshold
 369  * @tx_protection_exit: TX protection exit threshold
 370  * @tx_backoff: Array of thresholds for tx-backoff , in ascending order.
 371  * @support_ct_kill: Support CT Kill?
 372  * @support_dynamic_smps: Support dynamic SMPS?
 373  * @support_tx_protection: Support tx protection?
 374  * @support_tx_backoff: Support tx-backoff?
 375  */
 376 struct iwl_tt_params {
 377         s32 ct_kill_entry;
 378         s32 ct_kill_exit;
 379         u32 ct_kill_duration;
 380         s32 dynamic_smps_entry;
 381         s32 dynamic_smps_exit;
 382         s32 tx_protection_entry;
 383         s32 tx_protection_exit;
 384         struct iwl_tt_tx_backoff tx_backoff[TT_TX_BACKOFF_SIZE];
 385         bool support_ct_kill;
 386         bool support_dynamic_smps;
 387         bool support_tx_protection;
 388         bool support_tx_backoff;
 389 };
 390
 391 /**
 392  * struct iwl_mvm_tt_mgnt - Thermal Throttling Management structure
 393  * @ct_kill_exit: worker to exit thermal kill
 394  * @dynamic_smps: Is thermal throttling enabled dynamic_smps?
 395  * @tx_backoff: The current thremal throttling tx backoff in uSec.
 396  * @params: Parameters to configure the thermal throttling algorithm.
 397  * @throttle: Is thermal throttling is active?
 398  */
 399 struct iwl_mvm_tt_mgmt {
 400         struct delayed_work ct_kill_exit;
 401         bool dynamic_smps;
 402         u32 tx_backoff;
 403         const struct iwl_tt_params *params;
 404         bool throttle;
 405 };
 406
 407 struct iwl_mvm {
 408         /* for logger access */
 409         struct device *dev;
 410
 411         struct iwl_trans *trans;
 412         const struct iwl_fw *fw;
 413         const struct iwl_cfg *cfg;
 414         struct iwl_phy_db *phy_db;
 415         struct ieee80211_hw *hw;
 416
 417         /* for protecting access to iwl_mvm */
 418         struct mutex mutex;
 419         struct list_head async_handlers_list;
 420         spinlock_t async_handlers_lock;
 421         struct work_struct async_handlers_wk;
 422
 423         struct work_struct roc_done_wk;
 424
 425         unsigned long status;
 426
 427         /*
 428          * for beacon filtering -
 429          * currently only one interface can be supported
 430          */
 431         struct iwl_mvm_vif *bf_allowed_vif;
 432
 433         enum iwl_ucode_type cur_ucode;
 434         bool ucode_loaded;
 435         bool init_ucode_run;
 436         u32 error_event_table;
 437         u32 log_event_table;
 438
 439         u32 ampdu_ref;
 440
 441         struct iwl_notif_wait_data notif_wait;
 442
 443         struct mvm_statistics_rx rx_stats;
 444
 445         unsigned long transport_queue_stop;
 446         u8 queue_to_mac80211[IWL_MAX_HW_QUEUES];
 447         atomic_t queue_stop_count[IWL_MAX_HW_QUEUES];
 448
 449         struct iwl_nvm_data *nvm_data;
 450         /* NVM sections */
 451         struct iwl_nvm_section nvm_sections[NVM_NUM_OF_SECTIONS];
 452
 453         /* EEPROM MAC addresses */
 454         struct mac_address addresses[IWL_MVM_MAX_ADDRESSES];
 455
 456         /* data related to data path */
 457         struct iwl_rx_phy_info last_phy_info;
 458         struct ieee80211_sta __rcu *fw_id_to_mac_id[IWL_MVM_STATION_COUNT];
 459         struct work_struct sta_drained_wk;
 460         unsigned long sta_drained[BITS_TO_LONGS(IWL_MVM_STATION_COUNT)];
 461         atomic_t pending_frames[IWL_MVM_STATION_COUNT];
 462
 463         /* configured by mac80211 */
 464         u32 rts_threshold;
 465
 466         /* Scan status, cmd (pre-allocated) and auxiliary station */
 467         enum iwl_scan_status scan_status;
 468         struct iwl_scan_cmd *scan_cmd;
 469
 470         /* Internal station */
 471         struct iwl_mvm_int_sta aux_sta;
 472
 473         u8 scan_last_antenna_idx; /* to toggle TX between antennas */
 474         u8 mgmt_last_antenna_idx;
 475
 476 #ifdef CONFIG_IWLWIFI_DEBUGFS
 477         struct dentry *debugfs_dir;
 478         u32 dbgfs_sram_offset, dbgfs_sram_len;
 479         bool prevent_power_down_d3;
 480 #endif
 481
 482         struct iwl_mvm_phy_ctxt phy_ctxts[NUM_PHY_CTX];
 483
 484         struct list_head time_event_list;
 485         spinlock_t time_event_lock;
 486
 487         /*
 488          * A bitmap indicating the index of the key in use. The firmware
 489          * can hold 16 keys at most. Reflect this fact.
 490          */
 491         unsigned long fw_key_table[BITS_TO_LONGS(STA_KEY_MAX_NUM)];
 492
 493         /*
 494          * This counter of created interfaces is referenced only in conjunction
 495          * with FW limitation related to power management. Currently PM is
 496          * supported only on a single interface.
 497          * IMPORTANT: this variable counts all interfaces except P2P device.
 498          */
 499         u8 vif_count;
 500
 501         /* -1 for always, 0 for never, >0 for that many times */
 502         s8 restart_fw;
 503
 504         struct led_classdev led;
 505
 506         struct ieee80211_vif *p2p_device_vif;
 507
 508 #ifdef CONFIG_PM_SLEEP
 509         struct wiphy_wowlan_support wowlan;
 510         int gtk_ivlen, gtk_icvlen, ptk_ivlen, ptk_icvlen;
 511 #ifdef CONFIG_IWLWIFI_DEBUGFS
 512         u32 d3_wake_sysassert; /* must be u32 for debugfs_create_bool */
 513         bool d3_test_active;
 514         bool store_d3_resume_sram;
 515         void *d3_resume_sram;
 516         u32 d3_test_pme_ptr;
 517 #endif
 518 #endif
 519
 520         /* BT-Coex */
 521         u8 bt_kill_msk;
 522         struct iwl_bt_coex_profile_notif last_bt_notif;
 523
 524         /* Thermal Throttling and CTkill */
 525         struct iwl_mvm_tt_mgmt thermal_throttle;
 526         s32 temperature;        /* Celsius */
 527
 528         const struct iwl_mvm_power_ops *pm_ops;
 529 };
 530
 531 /* Extract MVM priv from op_mode and _hw */
 532 #define IWL_OP_MODE_GET_MVM(_iwl_op_mode)               \
 533         ((struct iwl_mvm *)(_iwl_op_mode)->op_mode_specific)
 534
 535 #define IWL_MAC80211_GET_MVM(_hw)                       \
 536         IWL_OP_MODE_GET_MVM((struct iwl_op_mode *)((_hw)->priv))
 537
 538 enum iwl_mvm_status {
 539         IWL_MVM_STATUS_HW_RFKILL,
 540         IWL_MVM_STATUS_HW_CTKILL,
 541         IWL_MVM_STATUS_ROC_RUNNING,
 542         IWL_MVM_STATUS_IN_HW_RESTART,
 543 };
 544
 545 static inline bool iwl_mvm_is_radio_killed(struct iwl_mvm *mvm)
 546 {
 547         return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status) ||
 548                test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
 549 }
 550
 551 extern const u8 iwl_mvm_ac_to_tx_fifo[];
 552
 553 struct iwl_rate_info {
 554         u8 plcp;        /* uCode API:  IWL_RATE_6M_PLCP, etc. */
 555         u8 plcp_siso;   /* uCode API:  IWL_RATE_SISO_6M_PLCP, etc. */
 556         u8 plcp_mimo2;  /* uCode API:  IWL_RATE_MIMO2_6M_PLCP, etc. */
 557         u8 plcp_mimo3;  /* uCode API:  IWL_RATE_MIMO3_6M_PLCP, etc. */
 558         u8 ieee;        /* MAC header:  IWL_RATE_6M_IEEE, etc. */
 559 };
 560
 561 /******************
 562  * MVM Methods
 563  ******************/
 564 /* uCode */
 565 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm);
 566
 567 /* Utils */
 568 int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags,
 569                                         enum ieee80211_band band);
 570 u8 iwl_mvm_mac80211_idx_to_hwrate(int rate_idx);
 571 void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm);
 572 void iwl_mvm_dump_sram(struct iwl_mvm *mvm);
 573 u8 first_antenna(u8 mask);
 574 u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx);
 575
 576 /* Tx / Host Commands */
 577 int __must_check iwl_mvm_send_cmd(struct iwl_mvm *mvm,
 578                                   struct iwl_host_cmd *cmd);
 579 int __must_check iwl_mvm_send_cmd_pdu(struct iwl_mvm *mvm, u8 id,
 580                                       u32 flags, u16 len, const void *data);
 581 int __must_check iwl_mvm_send_cmd_status(struct iwl_mvm *mvm,
 582                                          struct iwl_host_cmd *cmd,
 583                                          u32 *status);
 584 int __must_check iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u8 id,
 585                                              u16 len, const void *data,
 586                                              u32 *status);
 587 int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb,
 588                    struct ieee80211_sta *sta);
 589 int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb);
 590 #ifdef CONFIG_IWLWIFI_DEBUG
 591 const char *iwl_mvm_get_tx_fail_reason(u32 status);
 592 #else
 593 static inline const char *iwl_mvm_get_tx_fail_reason(u32 status) { return ""; }
 594 #endif
 595 int iwl_mvm_flush_tx_path(struct iwl_mvm *mvm, u32 tfd_msk, bool sync);
 596 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm);
 597
 598 /* Statistics */
 599 int iwl_mvm_rx_reply_statistics(struct iwl_mvm *mvm,
 600                                 struct iwl_rx_cmd_buffer *rxb,
 601                                 struct iwl_device_cmd *cmd);
 602 int iwl_mvm_rx_statistics(struct iwl_mvm *mvm,
 603                           struct iwl_rx_cmd_buffer *rxb,
 604                           struct iwl_device_cmd *cmd);
 605
 606 /* NVM */
 607 int iwl_nvm_init(struct iwl_mvm *mvm);
 608
 609 int iwl_mvm_up(struct iwl_mvm *mvm);
 610 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm);
 611
 612 int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm);
 613
 614 /*
 615  * FW notifications / CMD responses handlers
 616  * Convention: iwl_mvm_rx_<NAME OF THE CMD>
 617  */
 618 int iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 619                           struct iwl_device_cmd *cmd);
 620 int iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 621                        struct iwl_device_cmd *cmd);
 622 int iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 623                       struct iwl_device_cmd *cmd);
 624 int iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 625                         struct iwl_device_cmd *cmd);
 626 int iwl_mvm_rx_radio_ver(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 627                          struct iwl_device_cmd *cmd);
 628 int iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 629                           struct iwl_device_cmd *cmd);
 630 int iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
 631                                 struct iwl_rx_cmd_buffer *rxb,
 632                                 struct iwl_device_cmd *cmd);
 633 int iwl_mvm_rx_radio_ver(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 634                          struct iwl_device_cmd *cmd);
 635
 636 /* MVM PHY */
 637 int iwl_mvm_phy_ctxt_add(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
 638                          struct cfg80211_chan_def *chandef,
 639                          u8 chains_static, u8 chains_dynamic);
 640 int iwl_mvm_phy_ctxt_changed(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
 641                              struct cfg80211_chan_def *chandef,
 642                              u8 chains_static, u8 chains_dynamic);
 643 void iwl_mvm_phy_ctxt_ref(struct iwl_mvm *mvm,
 644                           struct iwl_mvm_phy_ctxt *ctxt);
 645 void iwl_mvm_phy_ctxt_unref(struct iwl_mvm *mvm,
 646                             struct iwl_mvm_phy_ctxt *ctxt);
 647
 648 /* MAC (virtual interface) programming */
 649 int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 650 void iwl_mvm_mac_ctxt_release(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 651 int iwl_mvm_mac_ctxt_add(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 652 int iwl_mvm_mac_ctxt_changed(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 653 int iwl_mvm_mac_ctxt_remove(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 654 u32 iwl_mvm_mac_get_queues_mask(struct iwl_mvm *mvm,
 655                                 struct ieee80211_vif *vif);
 656 int iwl_mvm_mac_ctxt_beacon_changed(struct iwl_mvm *mvm,
 657                                     struct ieee80211_vif *vif);
 658 int iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm,
 659                             struct iwl_rx_cmd_buffer *rxb,
 660                             struct iwl_device_cmd *cmd);
 661 int iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm,
 662                                     struct iwl_rx_cmd_buffer *rxb,
 663                                     struct iwl_device_cmd *cmd);
 664
 665 /* Bindings */
 666 int iwl_mvm_binding_add_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 667 int iwl_mvm_binding_remove_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 668
 669 /* Quota management */
 670 int iwl_mvm_update_quotas(struct iwl_mvm *mvm, struct ieee80211_vif *newvif);
 671
 672 /* Scanning */
 673 int iwl_mvm_scan_request(struct iwl_mvm *mvm,
 674                          struct ieee80211_vif *vif,
 675                          struct cfg80211_scan_request *req);
 676 int iwl_mvm_rx_scan_response(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 677                              struct iwl_device_cmd *cmd);
 678 int iwl_mvm_rx_scan_complete(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 679                              struct iwl_device_cmd *cmd);
 680 void iwl_mvm_cancel_scan(struct iwl_mvm *mvm);
 681
 682 /* MVM debugfs */
 683 #ifdef CONFIG_IWLWIFI_DEBUGFS
 684 int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir);
 685 void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 686 void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 687 #else
 688 static inline int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm,
 689                                          struct dentry *dbgfs_dir)
 690 {
 691         return 0;
 692 }
 693 static inline void
 694 iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
 695 {
 696 }
 697 static inline void
 698 iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
 699 {
 700 }
 701 #endif /* CONFIG_IWLWIFI_DEBUGFS */
 702
 703 /* rate scaling */
 704 int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq,
 705                         u8 flags, bool init);
 706
 707 /* power managment */
 708 static inline int iwl_mvm_power_update_mode(struct iwl_mvm *mvm,
 709                                             struct ieee80211_vif *vif)
 710 {
 711         return mvm->pm_ops->power_update_mode(mvm, vif);
 712 }
 713
 714 static inline int iwl_mvm_power_disable(struct iwl_mvm *mvm,
 715                                         struct ieee80211_vif *vif)
 716 {
 717         return mvm->pm_ops->power_disable(mvm, vif);
 718 }
 719
 720 #ifdef CONFIG_IWLWIFI_DEBUGFS
 721 static inline int iwl_mvm_power_dbgfs_read(struct iwl_mvm *mvm,
 722                                             struct ieee80211_vif *vif,
 723                                             char *buf, int bufsz)
 724 {
 725         return mvm->pm_ops->power_dbgfs_read(mvm, vif, buf, bufsz);
 726 }
 727 #endif
 728
 729 int iwl_mvm_leds_init(struct iwl_mvm *mvm);
 730 void iwl_mvm_leds_exit(struct iwl_mvm *mvm);
 731
 732 /* D3 (WoWLAN, NetDetect) */
 733 int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan);
 734 int iwl_mvm_resume(struct ieee80211_hw *hw);
 735 void iwl_mvm_set_wakeup(struct ieee80211_hw *hw, bool enabled);
 736 void iwl_mvm_set_rekey_data(struct ieee80211_hw *hw,
 737                             struct ieee80211_vif *vif,
 738                             struct cfg80211_gtk_rekey_data *data);
 739 void iwl_mvm_ipv6_addr_change(struct ieee80211_hw *hw,
 740                               struct ieee80211_vif *vif,
 741                               struct inet6_dev *idev);
 742 void iwl_mvm_set_default_unicast_key(struct ieee80211_hw *hw,
 743                                      struct ieee80211_vif *vif, int idx);
 744 extern const struct file_operations iwl_dbgfs_d3_test_ops;
 745
 746 /* BT Coex */
 747 int iwl_send_bt_prio_tbl(struct iwl_mvm *mvm);
 748 int iwl_send_bt_init_conf(struct iwl_mvm *mvm);
 749 int iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm,
 750                              struct iwl_rx_cmd_buffer *rxb,
 751                              struct iwl_device_cmd *cmd);
 752 void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 753                            enum ieee80211_rssi_event rssi_event);
 754 void iwl_mvm_bt_coex_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 755
 756 /* beacon filtering */
 757 #ifdef CONFIG_IWLWIFI_DEBUGFS
 758 void
 759 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
 760                                          struct iwl_beacon_filter_cmd *cmd);
 761 #else
 762 static inline void
 763 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
 764                                          struct iwl_beacon_filter_cmd *cmd)
 765 {}
 766 #endif
 767 int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
 768                                  struct ieee80211_vif *vif);
 769 int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
 770                                   struct ieee80211_vif *vif);
 771 int iwl_mvm_beacon_filter_send_cmd(struct iwl_mvm *mvm,
 772                                    struct iwl_beacon_filter_cmd *cmd);
 773 int iwl_mvm_update_beacon_abort(struct iwl_mvm *mvm,
 774                                 struct ieee80211_vif *vif, bool enable);
 775 int iwl_mvm_update_beacon_filter(struct iwl_mvm *mvm,
 776                                   struct ieee80211_vif *vif);
 777
 778 /* SMPS */
 779 void iwl_mvm_update_smps(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 780                                 enum iwl_mvm_smps_type_request req_type,
 781                                 enum ieee80211_smps_mode smps_request);
 782
 783 /* Thermal management and CT-kill */
 784 void iwl_mvm_tt_handler(struct iwl_mvm *mvm);
 785 void iwl_mvm_tt_initialize(struct iwl_mvm *mvm);
 786 void iwl_mvm_tt_exit(struct iwl_mvm *mvm);
 787 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state);
 788
 789 #endif /* __IWL_MVM_H__ */