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 - 2017 Intel Deutschland GmbH 11 * Copyright(c) 2018 Intel Corporation 12 * 13 * This program is free software; you can redistribute it and/or modify 14 * it under the terms of version 2 of the GNU General Public License as 15 * published by the Free Software Foundation. 16 * 17 * This program is distributed in the hope that it will be useful, but 18 * WITHOUT ANY WARRANTY; without even the implied warranty of 19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 20 * General Public License for more details. 21 * 22 * The full GNU General Public License is included in this distribution 23 * in the file called COPYING. 24 * 25 * Contact Information: 26 * Intel Linux Wireless <linuxwifi@intel.com> 27 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 28 * 29 * BSD LICENSE 30 * 31 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. 32 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH 33 * Copyright(c) 2016 - 2017 Intel Deutschland GmbH 34 * Copyright(c) 2018 Intel Corporation 35 * All rights reserved. 36 * 37 * Redistribution and use in source and binary forms, with or without 38 * modification, are permitted provided that the following conditions 39 * are met: 40 * 41 * * Redistributions of source code must retain the above copyright 42 * notice, this list of conditions and the following disclaimer. 43 * * Redistributions in binary form must reproduce the above copyright 44 * notice, this list of conditions and the following disclaimer in 45 * the documentation and/or other materials provided with the 46 * distribution. 47 * * Neither the name Intel Corporation nor the names of its 48 * contributors may be used to endorse or promote products derived 49 * from this software without specific prior written permission. 50 * 51 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 52 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 53 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 54 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 55 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 56 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 57 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 58 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 59 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 60 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 61 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 62 * 63 *****************************************************************************/ 64 65 #ifndef __IWL_MVM_H__ 66 #define __IWL_MVM_H__ 67 68 #include <linux/list.h> 69 #include <linux/spinlock.h> 70 #include <linux/leds.h> 71 #include <linux/in6.h> 72 73 #ifdef CONFIG_THERMAL 74 #include <linux/thermal.h> 75 #endif 76 77 #include "iwl-op-mode.h" 78 #include "iwl-trans.h" 79 #include "fw/notif-wait.h" 80 #include "iwl-eeprom-parse.h" 81 #include "fw/file.h" 82 #include "iwl-config.h" 83 #include "sta.h" 84 #include "fw-api.h" 85 #include "constants.h" 86 #include "tof.h" 87 #include "fw/runtime.h" 88 #include "fw/dbg.h" 89 #include "fw/acpi.h" 90 #include "iwl-nvm-parse.h" 91 92 #include <linux/average.h> 93 94 #define IWL_MVM_MAX_ADDRESSES 5 95 /* RSSI offset for WkP */ 96 #define IWL_RSSI_OFFSET 50 97 #define IWL_MVM_MISSED_BEACONS_THRESHOLD 8 98 /* A TimeUnit is 1024 microsecond */ 99 #define MSEC_TO_TU(_msec) (_msec*1000/1024) 100 101 /* For GO, this value represents the number of TUs before CSA "beacon 102 * 0" TBTT when the CSA time-event needs to be scheduled to start. It 103 * must be big enough to ensure that we switch in time. 104 */ 105 #define IWL_MVM_CHANNEL_SWITCH_TIME_GO 40 106 107 /* For client, this value represents the number of TUs before CSA 108 * "beacon 1" TBTT, instead. This is because we don't know when the 109 * GO/AP will be in the new channel, so we switch early enough. 110 */ 111 #define IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT 10 112 113 /* 114 * This value (in TUs) is used to fine tune the CSA NoA end time which should 115 * be just before "beacon 0" TBTT. 116 */ 117 #define IWL_MVM_CHANNEL_SWITCH_MARGIN 4 118 119 /* 120 * Number of beacons to transmit on a new channel until we unblock tx to 121 * the stations, even if we didn't identify them on a new channel 122 */ 123 #define IWL_MVM_CS_UNBLOCK_TX_TIMEOUT 3 124 125 /* offchannel queue towards mac80211 */ 126 #define IWL_MVM_OFFCHANNEL_QUEUE 0 127 128 extern const struct ieee80211_ops iwl_mvm_hw_ops; 129 130 /** 131 * struct iwl_mvm_mod_params - module parameters for iwlmvm 132 * @init_dbg: if true, then the NIC won't be stopped if the INIT fw asserted. 133 * We will register to mac80211 to have testmode working. The NIC must not 134 * be up'ed after the INIT fw asserted. This is useful to be able to use 135 * proprietary tools over testmode to debug the INIT fw. 136 * @tfd_q_hang_detect: enabled the detection of hung transmit queues 137 * @power_scheme: one of enum iwl_power_scheme 138 */ 139 struct iwl_mvm_mod_params { 140 bool init_dbg; 141 bool tfd_q_hang_detect; 142 int power_scheme; 143 }; 144 extern struct iwl_mvm_mod_params iwlmvm_mod_params; 145 146 struct iwl_mvm_phy_ctxt { 147 u16 id; 148 u16 color; 149 u32 ref; 150 151 enum nl80211_chan_width width; 152 153 /* 154 * TODO: This should probably be removed. Currently here only for rate 155 * scaling algorithm 156 */ 157 struct ieee80211_channel *channel; 158 }; 159 160 struct iwl_mvm_time_event_data { 161 struct ieee80211_vif *vif; 162 struct list_head list; 163 unsigned long end_jiffies; 164 u32 duration; 165 bool running; 166 u32 uid; 167 168 /* 169 * The access to the 'id' field must be done when the 170 * mvm->time_event_lock is held, as it value is used to indicate 171 * if the te is in the time event list or not (when id == TE_MAX) 172 */ 173 u32 id; 174 }; 175 176 /* Power management */ 177 178 /** 179 * enum iwl_power_scheme 180 * @IWL_POWER_LEVEL_CAM - Continuously Active Mode 181 * @IWL_POWER_LEVEL_BPS - Balanced Power Save (default) 182 * @IWL_POWER_LEVEL_LP - Low Power 183 */ 184 enum iwl_power_scheme { 185 IWL_POWER_SCHEME_CAM = 1, 186 IWL_POWER_SCHEME_BPS, 187 IWL_POWER_SCHEME_LP 188 }; 189 190 #define IWL_CONN_MAX_LISTEN_INTERVAL 10 191 #define IWL_UAPSD_MAX_SP IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 192 193 #ifdef CONFIG_IWLWIFI_DEBUGFS 194 enum iwl_dbgfs_pm_mask { 195 MVM_DEBUGFS_PM_KEEP_ALIVE = BIT(0), 196 MVM_DEBUGFS_PM_SKIP_OVER_DTIM = BIT(1), 197 MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS = BIT(2), 198 MVM_DEBUGFS_PM_RX_DATA_TIMEOUT = BIT(3), 199 MVM_DEBUGFS_PM_TX_DATA_TIMEOUT = BIT(4), 200 MVM_DEBUGFS_PM_LPRX_ENA = BIT(6), 201 MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD = BIT(7), 202 MVM_DEBUGFS_PM_SNOOZE_ENABLE = BIT(8), 203 MVM_DEBUGFS_PM_UAPSD_MISBEHAVING = BIT(9), 204 MVM_DEBUGFS_PM_USE_PS_POLL = BIT(10), 205 }; 206 207 struct iwl_dbgfs_pm { 208 u16 keep_alive_seconds; 209 u32 rx_data_timeout; 210 u32 tx_data_timeout; 211 bool skip_over_dtim; 212 u8 skip_dtim_periods; 213 bool lprx_ena; 214 u32 lprx_rssi_threshold; 215 bool snooze_ena; 216 bool uapsd_misbehaving; 217 bool use_ps_poll; 218 int mask; 219 }; 220 221 /* beacon filtering */ 222 223 enum iwl_dbgfs_bf_mask { 224 MVM_DEBUGFS_BF_ENERGY_DELTA = BIT(0), 225 MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA = BIT(1), 226 MVM_DEBUGFS_BF_ROAMING_STATE = BIT(2), 227 MVM_DEBUGFS_BF_TEMP_THRESHOLD = BIT(3), 228 MVM_DEBUGFS_BF_TEMP_FAST_FILTER = BIT(4), 229 MVM_DEBUGFS_BF_TEMP_SLOW_FILTER = BIT(5), 230 MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER = BIT(6), 231 MVM_DEBUGFS_BF_DEBUG_FLAG = BIT(7), 232 MVM_DEBUGFS_BF_ESCAPE_TIMER = BIT(8), 233 MVM_DEBUGFS_BA_ESCAPE_TIMER = BIT(9), 234 MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT = BIT(10), 235 }; 236 237 struct iwl_dbgfs_bf { 238 u32 bf_energy_delta; 239 u32 bf_roaming_energy_delta; 240 u32 bf_roaming_state; 241 u32 bf_temp_threshold; 242 u32 bf_temp_fast_filter; 243 u32 bf_temp_slow_filter; 244 u32 bf_enable_beacon_filter; 245 u32 bf_debug_flag; 246 u32 bf_escape_timer; 247 u32 ba_escape_timer; 248 u32 ba_enable_beacon_abort; 249 int mask; 250 }; 251 #endif 252 253 enum iwl_mvm_smps_type_request { 254 IWL_MVM_SMPS_REQ_BT_COEX, 255 IWL_MVM_SMPS_REQ_TT, 256 IWL_MVM_SMPS_REQ_PROT, 257 NUM_IWL_MVM_SMPS_REQ, 258 }; 259 260 enum iwl_mvm_ref_type { 261 IWL_MVM_REF_UCODE_DOWN, 262 IWL_MVM_REF_SCAN, 263 IWL_MVM_REF_ROC, 264 IWL_MVM_REF_ROC_AUX, 265 IWL_MVM_REF_P2P_CLIENT, 266 IWL_MVM_REF_AP_IBSS, 267 IWL_MVM_REF_USER, 268 IWL_MVM_REF_TX, 269 IWL_MVM_REF_TX_AGG, 270 IWL_MVM_REF_ADD_IF, 271 IWL_MVM_REF_START_AP, 272 IWL_MVM_REF_BSS_CHANGED, 273 IWL_MVM_REF_PREPARE_TX, 274 IWL_MVM_REF_PROTECT_TDLS, 275 IWL_MVM_REF_CHECK_CTKILL, 276 IWL_MVM_REF_PRPH_READ, 277 IWL_MVM_REF_PRPH_WRITE, 278 IWL_MVM_REF_NMI, 279 IWL_MVM_REF_TM_CMD, 280 IWL_MVM_REF_EXIT_WORK, 281 IWL_MVM_REF_PROTECT_CSA, 282 IWL_MVM_REF_FW_DBG_COLLECT, 283 IWL_MVM_REF_INIT_UCODE, 284 IWL_MVM_REF_SENDING_CMD, 285 IWL_MVM_REF_RX, 286 287 /* update debugfs.c when changing this */ 288 289 IWL_MVM_REF_COUNT, 290 }; 291 292 enum iwl_bt_force_ant_mode { 293 BT_FORCE_ANT_DIS = 0, 294 BT_FORCE_ANT_AUTO, 295 BT_FORCE_ANT_BT, 296 BT_FORCE_ANT_WIFI, 297 298 BT_FORCE_ANT_MAX, 299 }; 300 301 /** 302 * struct iwl_mvm_low_latency_cause - low latency set causes 303 * @LOW_LATENCY_TRAFFIC: indicates low latency traffic was detected 304 * @LOW_LATENCY_DEBUGFS: low latency mode set from debugfs 305 * @LOW_LATENCY_VCMD: low latency mode set from vendor command 306 * @LOW_LATENCY_VIF_TYPE: low latency mode set because of vif type (ap) 307 */ 308 enum iwl_mvm_low_latency_cause { 309 LOW_LATENCY_TRAFFIC = BIT(0), 310 LOW_LATENCY_DEBUGFS = BIT(1), 311 LOW_LATENCY_VCMD = BIT(2), 312 LOW_LATENCY_VIF_TYPE = BIT(3), 313 }; 314 315 /** 316 * struct iwl_mvm_vif_bf_data - beacon filtering related data 317 * @bf_enabled: indicates if beacon filtering is enabled 318 * @ba_enabled: indicated if beacon abort is enabled 319 * @ave_beacon_signal: average beacon signal 320 * @last_cqm_event: rssi of the last cqm event 321 * @bt_coex_min_thold: minimum threshold for BT coex 322 * @bt_coex_max_thold: maximum threshold for BT coex 323 * @last_bt_coex_event: rssi of the last BT coex event 324 */ 325 struct iwl_mvm_vif_bf_data { 326 bool bf_enabled; 327 bool ba_enabled; 328 int ave_beacon_signal; 329 int last_cqm_event; 330 int bt_coex_min_thold; 331 int bt_coex_max_thold; 332 int last_bt_coex_event; 333 }; 334 335 /** 336 * struct iwl_probe_resp_data - data for NoA/CSA updates 337 * @rcu_head: used for freeing the data on update 338 * @notif: notification data 339 * @noa_len: length of NoA attribute, calculated from the notification 340 */ 341 struct iwl_probe_resp_data { 342 struct rcu_head rcu_head; 343 struct iwl_probe_resp_data_notif notif; 344 int noa_len; 345 }; 346 347 /** 348 * struct iwl_mvm_vif - data per Virtual Interface, it is a MAC context 349 * @id: between 0 and 3 350 * @color: to solve races upon MAC addition and removal 351 * @ap_sta_id: the sta_id of the AP - valid only if VIF type is STA 352 * @bssid: BSSID for this (client) interface 353 * @associated: indicates that we're currently associated, used only for 354 * managing the firmware state in iwl_mvm_bss_info_changed_station() 355 * @ap_assoc_sta_count: count of stations associated to us - valid only 356 * if VIF type is AP 357 * @uploaded: indicates the MAC context has been added to the device 358 * @ap_ibss_active: indicates that AP/IBSS is configured and that the interface 359 * should get quota etc. 360 * @pm_enabled - Indicate if MAC power management is allowed 361 * @monitor_active: indicates that monitor context is configured, and that the 362 * interface should get quota etc. 363 * @low_latency: indicates low latency is set, see 364 * enum &iwl_mvm_low_latency_cause for causes. 365 * @ps_disabled: indicates that this interface requires PS to be disabled 366 * @queue_params: QoS params for this MAC 367 * @bcast_sta: station used for broadcast packets. Used by the following 368 * vifs: P2P_DEVICE, GO and AP. 369 * @beacon_skb: the skb used to hold the AP/GO beacon template 370 * @smps_requests: the SMPS requests of different parts of the driver, 371 * combined on update to yield the overall request to mac80211. 372 * @beacon_stats: beacon statistics, containing the # of received beacons, 373 * # of received beacons accumulated over FW restart, and the current 374 * average signal of beacons retrieved from the firmware 375 * @csa_failed: CSA failed to schedule time event, report an error later 376 * @features: hw features active for this vif 377 * @probe_resp_data: data from FW notification to store NOA and CSA related 378 * data to be inserted into probe response. 379 */ 380 struct iwl_mvm_vif { 381 struct iwl_mvm *mvm; 382 u16 id; 383 u16 color; 384 u8 ap_sta_id; 385 386 u8 bssid[ETH_ALEN]; 387 bool associated; 388 u8 ap_assoc_sta_count; 389 390 u16 cab_queue; 391 392 bool uploaded; 393 bool ap_ibss_active; 394 bool pm_enabled; 395 bool monitor_active; 396 u8 low_latency; 397 bool ps_disabled; 398 struct iwl_mvm_vif_bf_data bf_data; 399 400 struct { 401 u32 num_beacons, accu_num_beacons; 402 u8 avg_signal; 403 } beacon_stats; 404 405 u32 ap_beacon_time; 406 407 enum iwl_tsf_id tsf_id; 408 409 /* 410 * QoS data from mac80211, need to store this here 411 * as mac80211 has a separate callback but we need 412 * to have the data for the MAC context 413 */ 414 struct ieee80211_tx_queue_params queue_params[IEEE80211_NUM_ACS]; 415 struct iwl_mvm_time_event_data time_event_data; 416 struct iwl_mvm_time_event_data hs_time_event_data; 417 418 struct iwl_mvm_int_sta bcast_sta; 419 struct iwl_mvm_int_sta mcast_sta; 420 421 /* 422 * Assigned while mac80211 has the interface in a channel context, 423 * or, for P2P Device, while it exists. 424 */ 425 struct iwl_mvm_phy_ctxt *phy_ctxt; 426 427 #ifdef CONFIG_PM 428 /* WoWLAN GTK rekey data */ 429 struct { 430 u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN]; 431 __le64 replay_ctr; 432 bool valid; 433 } rekey_data; 434 435 int tx_key_idx; 436 437 bool seqno_valid; 438 u16 seqno; 439 #endif 440 441 #if IS_ENABLED(CONFIG_IPV6) 442 /* IPv6 addresses for WoWLAN */ 443 struct in6_addr target_ipv6_addrs[IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_MAX]; 444 unsigned long tentative_addrs[BITS_TO_LONGS(IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_MAX)]; 445 int num_target_ipv6_addrs; 446 #endif 447 448 #ifdef CONFIG_IWLWIFI_DEBUGFS 449 struct dentry *dbgfs_dir; 450 struct dentry *dbgfs_slink; 451 struct iwl_dbgfs_pm dbgfs_pm; 452 struct iwl_dbgfs_bf dbgfs_bf; 453 struct iwl_mac_power_cmd mac_pwr_cmd; 454 int dbgfs_quota_min; 455 #endif 456 457 enum ieee80211_smps_mode smps_requests[NUM_IWL_MVM_SMPS_REQ]; 458 459 /* FW identified misbehaving AP */ 460 u8 uapsd_misbehaving_bssid[ETH_ALEN]; 461 462 struct delayed_work uapsd_nonagg_detected_wk; 463 464 /* Indicates that CSA countdown may be started */ 465 bool csa_countdown; 466 bool csa_failed; 467 u16 csa_target_freq; 468 469 /* Indicates that we are waiting for a beacon on a new channel */ 470 bool csa_bcn_pending; 471 472 /* TCP Checksum Offload */ 473 netdev_features_t features; 474 475 struct iwl_probe_resp_data __rcu *probe_resp_data; 476 struct ieee80211_key_conf *ap_wep_key; 477 }; 478 479 static inline struct iwl_mvm_vif * 480 iwl_mvm_vif_from_mac80211(struct ieee80211_vif *vif) 481 { 482 if (!vif) 483 return NULL; 484 return (void *)vif->drv_priv; 485 } 486 487 extern const u8 tid_to_mac80211_ac[]; 488 489 #define IWL_MVM_SCAN_STOPPING_SHIFT 8 490 491 enum iwl_scan_status { 492 IWL_MVM_SCAN_REGULAR = BIT(0), 493 IWL_MVM_SCAN_SCHED = BIT(1), 494 IWL_MVM_SCAN_NETDETECT = BIT(2), 495 496 IWL_MVM_SCAN_STOPPING_REGULAR = BIT(8), 497 IWL_MVM_SCAN_STOPPING_SCHED = BIT(9), 498 IWL_MVM_SCAN_STOPPING_NETDETECT = BIT(10), 499 500 IWL_MVM_SCAN_REGULAR_MASK = IWL_MVM_SCAN_REGULAR | 501 IWL_MVM_SCAN_STOPPING_REGULAR, 502 IWL_MVM_SCAN_SCHED_MASK = IWL_MVM_SCAN_SCHED | 503 IWL_MVM_SCAN_STOPPING_SCHED, 504 IWL_MVM_SCAN_NETDETECT_MASK = IWL_MVM_SCAN_NETDETECT | 505 IWL_MVM_SCAN_STOPPING_NETDETECT, 506 507 IWL_MVM_SCAN_STOPPING_MASK = 0xff << IWL_MVM_SCAN_STOPPING_SHIFT, 508 IWL_MVM_SCAN_MASK = 0xff, 509 }; 510 511 enum iwl_mvm_scan_type { 512 IWL_SCAN_TYPE_NOT_SET, 513 IWL_SCAN_TYPE_UNASSOC, 514 IWL_SCAN_TYPE_WILD, 515 IWL_SCAN_TYPE_MILD, 516 IWL_SCAN_TYPE_FRAGMENTED, 517 IWL_SCAN_TYPE_FAST_BALANCE, 518 }; 519 520 enum iwl_mvm_sched_scan_pass_all_states { 521 SCHED_SCAN_PASS_ALL_DISABLED, 522 SCHED_SCAN_PASS_ALL_ENABLED, 523 SCHED_SCAN_PASS_ALL_FOUND, 524 }; 525 526 /** 527 * struct iwl_mvm_tt_mgnt - Thermal Throttling Management structure 528 * @ct_kill_exit: worker to exit thermal kill 529 * @dynamic_smps: Is thermal throttling enabled dynamic_smps? 530 * @tx_backoff: The current thremal throttling tx backoff in uSec. 531 * @min_backoff: The minimal tx backoff due to power restrictions 532 * @params: Parameters to configure the thermal throttling algorithm. 533 * @throttle: Is thermal throttling is active? 534 */ 535 struct iwl_mvm_tt_mgmt { 536 struct delayed_work ct_kill_exit; 537 bool dynamic_smps; 538 u32 tx_backoff; 539 u32 min_backoff; 540 struct iwl_tt_params params; 541 bool throttle; 542 }; 543 544 #ifdef CONFIG_THERMAL 545 /** 546 *struct iwl_mvm_thermal_device - thermal zone related data 547 * @temp_trips: temperature thresholds for report 548 * @fw_trips_index: keep indexes to original array - temp_trips 549 * @tzone: thermal zone device data 550 */ 551 struct iwl_mvm_thermal_device { 552 s16 temp_trips[IWL_MAX_DTS_TRIPS]; 553 u8 fw_trips_index[IWL_MAX_DTS_TRIPS]; 554 struct thermal_zone_device *tzone; 555 }; 556 557 /* 558 * struct iwl_mvm_cooling_device 559 * @cur_state: current state 560 * @cdev: struct thermal cooling device 561 */ 562 struct iwl_mvm_cooling_device { 563 u32 cur_state; 564 struct thermal_cooling_device *cdev; 565 }; 566 #endif 567 568 #define IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES 8 569 570 struct iwl_mvm_frame_stats { 571 u32 legacy_frames; 572 u32 ht_frames; 573 u32 vht_frames; 574 u32 bw_20_frames; 575 u32 bw_40_frames; 576 u32 bw_80_frames; 577 u32 bw_160_frames; 578 u32 sgi_frames; 579 u32 ngi_frames; 580 u32 siso_frames; 581 u32 mimo2_frames; 582 u32 agg_frames; 583 u32 ampdu_count; 584 u32 success_frames; 585 u32 fail_frames; 586 u32 last_rates[IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES]; 587 int last_frame_idx; 588 }; 589 590 enum { 591 D0I3_DEFER_WAKEUP, 592 D0I3_PENDING_WAKEUP, 593 }; 594 595 #define IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE 0xff 596 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MIN -100 597 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MAX 200 598 599 enum iwl_mvm_tdls_cs_state { 600 IWL_MVM_TDLS_SW_IDLE = 0, 601 IWL_MVM_TDLS_SW_REQ_SENT, 602 IWL_MVM_TDLS_SW_RESP_RCVD, 603 IWL_MVM_TDLS_SW_REQ_RCVD, 604 IWL_MVM_TDLS_SW_ACTIVE, 605 }; 606 607 enum iwl_mvm_traffic_load { 608 IWL_MVM_TRAFFIC_LOW, 609 IWL_MVM_TRAFFIC_MEDIUM, 610 IWL_MVM_TRAFFIC_HIGH, 611 }; 612 613 DECLARE_EWMA(rate, 16, 16) 614 615 struct iwl_mvm_tcm_mac { 616 struct { 617 u32 pkts[IEEE80211_NUM_ACS]; 618 u32 airtime; 619 } tx; 620 struct { 621 u32 pkts[IEEE80211_NUM_ACS]; 622 u32 airtime; 623 u32 last_ampdu_ref; 624 } rx; 625 struct { 626 /* track AP's transfer in client mode */ 627 u64 rx_bytes; 628 struct ewma_rate rate; 629 bool detected; 630 } uapsd_nonagg_detect; 631 bool opened_rx_ba_sessions; 632 }; 633 634 struct iwl_mvm_tcm { 635 struct delayed_work work; 636 spinlock_t lock; /* used when time elapsed */ 637 unsigned long ts; /* timestamp when period ends */ 638 unsigned long ll_ts; 639 unsigned long uapsd_nonagg_ts; 640 bool paused; 641 struct iwl_mvm_tcm_mac data[NUM_MAC_INDEX_DRIVER]; 642 struct { 643 u32 elapsed; /* milliseconds for this TCM period */ 644 u32 airtime[NUM_MAC_INDEX_DRIVER]; 645 enum iwl_mvm_traffic_load load[NUM_MAC_INDEX_DRIVER]; 646 enum iwl_mvm_traffic_load band_load[NUM_NL80211_BANDS]; 647 enum iwl_mvm_traffic_load global_load; 648 bool low_latency[NUM_MAC_INDEX_DRIVER]; 649 bool change[NUM_MAC_INDEX_DRIVER]; 650 bool global_change; 651 } result; 652 }; 653 654 /** 655 * struct iwl_mvm_reorder_buffer - per ra/tid/queue reorder buffer 656 * @head_sn: reorder window head sn 657 * @num_stored: number of mpdus stored in the buffer 658 * @buf_size: the reorder buffer size as set by the last addba request 659 * @queue: queue of this reorder buffer 660 * @last_amsdu: track last ASMDU SN for duplication detection 661 * @last_sub_index: track ASMDU sub frame index for duplication detection 662 * @reorder_timer: timer for frames are in the reorder buffer. For AMSDU 663 * it is the time of last received sub-frame 664 * @removed: prevent timer re-arming 665 * @valid: reordering is valid for this queue 666 * @lock: protect reorder buffer internal state 667 * @mvm: mvm pointer, needed for frame timer context 668 */ 669 struct iwl_mvm_reorder_buffer { 670 u16 head_sn; 671 u16 num_stored; 672 u16 buf_size; 673 int queue; 674 u16 last_amsdu; 675 u8 last_sub_index; 676 struct timer_list reorder_timer; 677 bool removed; 678 bool valid; 679 spinlock_t lock; 680 struct iwl_mvm *mvm; 681 } ____cacheline_aligned_in_smp; 682 683 /** 684 * struct _iwl_mvm_reorder_buf_entry - reorder buffer entry per-queue/per-seqno 685 * @frames: list of skbs stored 686 * @reorder_time: time the packet was stored in the reorder buffer 687 */ 688 struct _iwl_mvm_reorder_buf_entry { 689 struct sk_buff_head frames; 690 unsigned long reorder_time; 691 }; 692 693 /* make this indirection to get the aligned thing */ 694 struct iwl_mvm_reorder_buf_entry { 695 struct _iwl_mvm_reorder_buf_entry e; 696 } 697 #ifndef __CHECKER__ 698 /* sparse doesn't like this construct: "bad integer constant expression" */ 699 __aligned(roundup_pow_of_two(sizeof(struct _iwl_mvm_reorder_buf_entry))) 700 #endif 701 ; 702 703 /** 704 * struct iwl_mvm_baid_data - BA session data 705 * @sta_id: station id 706 * @tid: tid of the session 707 * @baid baid of the session 708 * @timeout: the timeout set in the addba request 709 * @entries_per_queue: # of buffers per queue, this actually gets 710 * aligned up to avoid cache line sharing between queues 711 * @last_rx: last rx jiffies, updated only if timeout passed from last update 712 * @session_timer: timer to check if BA session expired, runs at 2 * timeout 713 * @mvm: mvm pointer, needed for timer context 714 * @reorder_buf: reorder buffer, allocated per queue 715 * @reorder_buf_data: data 716 */ 717 struct iwl_mvm_baid_data { 718 struct rcu_head rcu_head; 719 u8 sta_id; 720 u8 tid; 721 u8 baid; 722 u16 timeout; 723 u16 entries_per_queue; 724 unsigned long last_rx; 725 struct timer_list session_timer; 726 struct iwl_mvm_baid_data __rcu **rcu_ptr; 727 struct iwl_mvm *mvm; 728 struct iwl_mvm_reorder_buffer reorder_buf[IWL_MAX_RX_HW_QUEUES]; 729 struct iwl_mvm_reorder_buf_entry entries[]; 730 }; 731 732 static inline struct iwl_mvm_baid_data * 733 iwl_mvm_baid_data_from_reorder_buf(struct iwl_mvm_reorder_buffer *buf) 734 { 735 return (void *)((u8 *)buf - 736 offsetof(struct iwl_mvm_baid_data, reorder_buf) - 737 sizeof(*buf) * buf->queue); 738 } 739 740 /* 741 * enum iwl_mvm_queue_status - queue status 742 * @IWL_MVM_QUEUE_FREE: the queue is not allocated nor reserved 743 * Basically, this means that this queue can be used for any purpose 744 * @IWL_MVM_QUEUE_RESERVED: queue is reserved but not yet in use 745 * This is the state of a queue that has been dedicated for some RATID 746 * (agg'd or not), but that hasn't yet gone through the actual enablement 747 * of iwl_mvm_enable_txq(), and therefore no traffic can go through it yet. 748 * Note that in this state there is no requirement to already know what TID 749 * should be used with this queue, it is just marked as a queue that will 750 * be used, and shouldn't be allocated to anyone else. 751 * @IWL_MVM_QUEUE_READY: queue is ready to be used 752 * This is the state of a queue that has been fully configured (including 753 * SCD pointers, etc), has a specific RA/TID assigned to it, and can be 754 * used to send traffic. 755 * @IWL_MVM_QUEUE_SHARED: queue is shared, or in a process of becoming shared 756 * This is a state in which a single queue serves more than one TID, all of 757 * which are not aggregated. Note that the queue is only associated to one 758 * RA. 759 */ 760 enum iwl_mvm_queue_status { 761 IWL_MVM_QUEUE_FREE, 762 IWL_MVM_QUEUE_RESERVED, 763 IWL_MVM_QUEUE_READY, 764 IWL_MVM_QUEUE_SHARED, 765 }; 766 767 #define IWL_MVM_DQA_QUEUE_TIMEOUT (5 * HZ) 768 #define IWL_MVM_INVALID_QUEUE 0xFFFF 769 770 #define IWL_MVM_NUM_CIPHERS 10 771 772 struct iwl_mvm_sar_profile { 773 bool enabled; 774 u8 table[ACPI_SAR_TABLE_SIZE]; 775 }; 776 777 struct iwl_mvm_geo_profile { 778 u8 values[ACPI_GEO_TABLE_SIZE]; 779 }; 780 781 struct iwl_mvm_dqa_txq_info { 782 u8 ra_sta_id; /* The RA this queue is mapped to, if exists */ 783 bool reserved; /* Is this the TXQ reserved for a STA */ 784 u8 mac80211_ac; /* The mac80211 AC this queue is mapped to */ 785 u8 txq_tid; /* The TID "owner" of this queue*/ 786 u16 tid_bitmap; /* Bitmap of the TIDs mapped to this queue */ 787 /* Timestamp for inactivation per TID of this queue */ 788 unsigned long last_frame_time[IWL_MAX_TID_COUNT + 1]; 789 enum iwl_mvm_queue_status status; 790 }; 791 792 struct iwl_mvm { 793 /* for logger access */ 794 struct device *dev; 795 796 struct iwl_trans *trans; 797 const struct iwl_fw *fw; 798 const struct iwl_cfg *cfg; 799 struct iwl_phy_db *phy_db; 800 struct ieee80211_hw *hw; 801 802 /* for protecting access to iwl_mvm */ 803 struct mutex mutex; 804 struct list_head async_handlers_list; 805 spinlock_t async_handlers_lock; 806 struct work_struct async_handlers_wk; 807 808 struct work_struct roc_done_wk; 809 810 unsigned long init_status; 811 812 unsigned long status; 813 814 u32 queue_sync_cookie; 815 atomic_t queue_sync_counter; 816 /* 817 * for beacon filtering - 818 * currently only one interface can be supported 819 */ 820 struct iwl_mvm_vif *bf_allowed_vif; 821 822 bool hw_registered; 823 bool calibrating; 824 u32 error_event_table[2]; 825 u32 log_event_table; 826 u32 umac_error_event_table; 827 bool support_umac_log; 828 829 u32 ampdu_ref; 830 bool ampdu_toggle; 831 832 struct iwl_notif_wait_data notif_wait; 833 834 union { 835 struct mvm_statistics_rx_v3 rx_stats_v3; 836 struct mvm_statistics_rx rx_stats; 837 }; 838 839 struct { 840 u64 rx_time; 841 u64 tx_time; 842 u64 on_time_rf; 843 u64 on_time_scan; 844 } radio_stats, accu_radio_stats; 845 846 u16 hw_queue_to_mac80211[IWL_MAX_TVQM_QUEUES]; 847 848 struct iwl_mvm_dqa_txq_info queue_info[IWL_MAX_HW_QUEUES]; 849 struct work_struct add_stream_wk; /* To add streams to queues */ 850 851 atomic_t mac80211_queue_stop_count[IEEE80211_MAX_QUEUES]; 852 853 const char *nvm_file_name; 854 struct iwl_nvm_data *nvm_data; 855 /* NVM sections */ 856 struct iwl_nvm_section nvm_sections[NVM_MAX_NUM_SECTIONS]; 857 858 struct iwl_fw_runtime fwrt; 859 860 /* EEPROM MAC addresses */ 861 struct mac_address addresses[IWL_MVM_MAX_ADDRESSES]; 862 863 /* data related to data path */ 864 struct iwl_rx_phy_info last_phy_info; 865 struct ieee80211_sta __rcu *fw_id_to_mac_id[IWL_MVM_STATION_COUNT]; 866 unsigned long sta_deferred_frames[BITS_TO_LONGS(IWL_MVM_STATION_COUNT)]; 867 u8 rx_ba_sessions; 868 869 /* configured by mac80211 */ 870 u32 rts_threshold; 871 872 /* Scan status, cmd (pre-allocated) and auxiliary station */ 873 unsigned int scan_status; 874 void *scan_cmd; 875 struct iwl_mcast_filter_cmd *mcast_filter_cmd; 876 /* For CDB this is low band scan type, for non-CDB - type. */ 877 enum iwl_mvm_scan_type scan_type; 878 enum iwl_mvm_scan_type hb_scan_type; 879 880 enum iwl_mvm_sched_scan_pass_all_states sched_scan_pass_all; 881 struct delayed_work scan_timeout_dwork; 882 883 /* max number of simultaneous scans the FW supports */ 884 unsigned int max_scans; 885 886 /* UMAC scan tracking */ 887 u32 scan_uid_status[IWL_MVM_MAX_UMAC_SCANS]; 888 889 /* start time of last scan in TSF of the mac that requested the scan */ 890 u64 scan_start; 891 892 /* the vif that requested the current scan */ 893 struct iwl_mvm_vif *scan_vif; 894 895 /* rx chain antennas set through debugfs for the scan command */ 896 u8 scan_rx_ant; 897 898 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING 899 /* broadcast filters to configure for each associated station */ 900 const struct iwl_fw_bcast_filter *bcast_filters; 901 #ifdef CONFIG_IWLWIFI_DEBUGFS 902 struct { 903 bool override; 904 struct iwl_bcast_filter_cmd cmd; 905 } dbgfs_bcast_filtering; 906 #endif 907 #endif 908 909 /* Internal station */ 910 struct iwl_mvm_int_sta aux_sta; 911 struct iwl_mvm_int_sta snif_sta; 912 913 bool last_ebs_successful; 914 915 u8 scan_last_antenna_idx; /* to toggle TX between antennas */ 916 u8 mgmt_last_antenna_idx; 917 918 /* last smart fifo state that was successfully sent to firmware */ 919 enum iwl_sf_state sf_state; 920 921 #ifdef CONFIG_IWLWIFI_DEBUGFS 922 struct dentry *debugfs_dir; 923 u32 dbgfs_sram_offset, dbgfs_sram_len; 924 u32 dbgfs_prph_reg_addr; 925 bool disable_power_off; 926 bool disable_power_off_d3; 927 928 bool scan_iter_notif_enabled; 929 930 struct debugfs_blob_wrapper nvm_hw_blob; 931 struct debugfs_blob_wrapper nvm_sw_blob; 932 struct debugfs_blob_wrapper nvm_calib_blob; 933 struct debugfs_blob_wrapper nvm_prod_blob; 934 struct debugfs_blob_wrapper nvm_phy_sku_blob; 935 936 struct iwl_mvm_frame_stats drv_rx_stats; 937 spinlock_t drv_stats_lock; 938 u16 dbgfs_rx_phyinfo; 939 #endif 940 941 struct iwl_mvm_phy_ctxt phy_ctxts[NUM_PHY_CTX]; 942 943 struct list_head time_event_list; 944 spinlock_t time_event_lock; 945 946 /* 947 * A bitmap indicating the index of the key in use. The firmware 948 * can hold 16 keys at most. Reflect this fact. 949 */ 950 unsigned long fw_key_table[BITS_TO_LONGS(STA_KEY_MAX_NUM)]; 951 u8 fw_key_deleted[STA_KEY_MAX_NUM]; 952 953 /* references taken by the driver and spinlock protecting them */ 954 spinlock_t refs_lock; 955 u8 refs[IWL_MVM_REF_COUNT]; 956 957 u8 vif_count; 958 959 /* -1 for always, 0 for never, >0 for that many times */ 960 s8 fw_restart; 961 962 #ifdef CONFIG_IWLWIFI_LEDS 963 struct led_classdev led; 964 #endif 965 966 struct ieee80211_vif *p2p_device_vif; 967 968 #ifdef CONFIG_PM 969 struct wiphy_wowlan_support wowlan; 970 int gtk_ivlen, gtk_icvlen, ptk_ivlen, ptk_icvlen; 971 972 /* sched scan settings for net detect */ 973 struct ieee80211_scan_ies nd_ies; 974 struct cfg80211_match_set *nd_match_sets; 975 int n_nd_match_sets; 976 struct ieee80211_channel **nd_channels; 977 int n_nd_channels; 978 bool net_detect; 979 #ifdef CONFIG_IWLWIFI_DEBUGFS 980 bool d3_wake_sysassert; 981 bool d3_test_active; 982 bool store_d3_resume_sram; 983 void *d3_resume_sram; 984 u32 d3_test_pme_ptr; 985 struct ieee80211_vif *keep_vif; 986 u32 last_netdetect_scans; /* no. of scans in the last net-detect wake */ 987 #endif 988 #endif 989 990 /* d0i3 */ 991 u8 d0i3_ap_sta_id; 992 bool d0i3_offloading; 993 struct work_struct d0i3_exit_work; 994 struct sk_buff_head d0i3_tx; 995 /* protect d0i3_suspend_flags */ 996 struct mutex d0i3_suspend_mutex; 997 unsigned long d0i3_suspend_flags; 998 /* sync d0i3_tx queue and IWL_MVM_STATUS_IN_D0I3 status flag */ 999 spinlock_t d0i3_tx_lock; 1000 wait_queue_head_t d0i3_exit_waitq; 1001 wait_queue_head_t rx_sync_waitq; 1002 1003 /* BT-Coex */ 1004 struct iwl_bt_coex_profile_notif last_bt_notif; 1005 struct iwl_bt_coex_ci_cmd last_bt_ci_cmd; 1006 1007 u8 bt_tx_prio; 1008 enum iwl_bt_force_ant_mode bt_force_ant_mode; 1009 1010 /* Aux ROC */ 1011 struct list_head aux_roc_te_list; 1012 1013 /* Thermal Throttling and CTkill */ 1014 struct iwl_mvm_tt_mgmt thermal_throttle; 1015 #ifdef CONFIG_THERMAL 1016 struct iwl_mvm_thermal_device tz_device; 1017 struct iwl_mvm_cooling_device cooling_dev; 1018 #endif 1019 1020 s32 temperature; /* Celsius */ 1021 /* 1022 * Debug option to set the NIC temperature. This option makes the 1023 * driver think this is the actual NIC temperature, and ignore the 1024 * real temperature that is received from the fw 1025 */ 1026 bool temperature_test; /* Debug test temperature is enabled */ 1027 1028 unsigned long bt_coex_last_tcm_ts; 1029 struct iwl_mvm_tcm tcm; 1030 1031 u8 uapsd_noagg_bssid_write_idx; 1032 struct mac_address uapsd_noagg_bssids[IWL_MVM_UAPSD_NOAGG_BSSIDS_NUM] 1033 __aligned(2); 1034 1035 struct iwl_time_quota_cmd last_quota_cmd; 1036 1037 #ifdef CONFIG_NL80211_TESTMODE 1038 u32 noa_duration; 1039 struct ieee80211_vif *noa_vif; 1040 #endif 1041 1042 /* Tx queues */ 1043 u16 aux_queue; 1044 u16 snif_queue; 1045 u16 probe_queue; 1046 u16 p2p_dev_queue; 1047 1048 /* Indicate if device power save is allowed */ 1049 u8 ps_disabled; /* u8 instead of bool to ease debugfs_create_* usage */ 1050 unsigned int max_amsdu_len; /* used for debugfs only */ 1051 1052 struct ieee80211_vif __rcu *csa_vif; 1053 struct ieee80211_vif __rcu *csa_tx_blocked_vif; 1054 u8 csa_tx_block_bcn_timeout; 1055 1056 /* system time of last beacon (for AP/GO interface) */ 1057 u32 ap_last_beacon_gp2; 1058 1059 /* indicates that we transmitted the last beacon */ 1060 bool ibss_manager; 1061 1062 bool lar_regdom_set; 1063 enum iwl_mcc_source mcc_src; 1064 1065 /* TDLS channel switch data */ 1066 struct { 1067 struct delayed_work dwork; 1068 enum iwl_mvm_tdls_cs_state state; 1069 1070 /* 1071 * Current cs sta - might be different from periodic cs peer 1072 * station. Value is meaningless when the cs-state is idle. 1073 */ 1074 u8 cur_sta_id; 1075 1076 /* TDLS periodic channel-switch peer */ 1077 struct { 1078 u8 sta_id; 1079 u8 op_class; 1080 bool initiator; /* are we the link initiator */ 1081 struct cfg80211_chan_def chandef; 1082 struct sk_buff *skb; /* ch sw template */ 1083 u32 ch_sw_tm_ie; 1084 1085 /* timestamp of last ch-sw request sent (GP2 time) */ 1086 u32 sent_timestamp; 1087 } peer; 1088 } tdls_cs; 1089 1090 1091 u32 ciphers[IWL_MVM_NUM_CIPHERS]; 1092 struct ieee80211_cipher_scheme cs[IWL_UCODE_MAX_CS]; 1093 struct iwl_mvm_tof_data tof_data; 1094 1095 struct ieee80211_vif *nan_vif; 1096 #define IWL_MAX_BAID 32 1097 struct iwl_mvm_baid_data __rcu *baid_map[IWL_MAX_BAID]; 1098 1099 /* 1100 * Drop beacons from other APs in AP mode when there are no connected 1101 * clients. 1102 */ 1103 bool drop_bcn_ap_mode; 1104 1105 struct delayed_work cs_tx_unblock_dwork; 1106 1107 /* does a monitor vif exist (only one can exist hence bool) */ 1108 bool monitor_on; 1109 #ifdef CONFIG_ACPI 1110 struct iwl_mvm_sar_profile sar_profiles[ACPI_SAR_PROFILE_NUM]; 1111 struct iwl_mvm_geo_profile geo_profiles[ACPI_NUM_GEO_PROFILES]; 1112 #endif 1113 }; 1114 1115 /* Extract MVM priv from op_mode and _hw */ 1116 #define IWL_OP_MODE_GET_MVM(_iwl_op_mode) \ 1117 ((struct iwl_mvm *)(_iwl_op_mode)->op_mode_specific) 1118 1119 #define IWL_MAC80211_GET_MVM(_hw) \ 1120 IWL_OP_MODE_GET_MVM((struct iwl_op_mode *)((_hw)->priv)) 1121 1122 /** 1123 * enum iwl_mvm_status - MVM status bits 1124 * @IWL_MVM_STATUS_HW_RFKILL: HW RF-kill is asserted 1125 * @IWL_MVM_STATUS_HW_CTKILL: CT-kill is active 1126 * @IWL_MVM_STATUS_ROC_RUNNING: remain-on-channel is running 1127 * @IWL_MVM_STATUS_HW_RESTART_REQUESTED: HW restart was requested 1128 * @IWL_MVM_STATUS_IN_HW_RESTART: HW restart is active 1129 * @IWL_MVM_STATUS_IN_D0I3: NIC is in D0i3 1130 * @IWL_MVM_STATUS_ROC_AUX_RUNNING: AUX remain-on-channel is running 1131 * @IWL_MVM_STATUS_D3_RECONFIG: D3 reconfiguration is being done 1132 * @IWL_MVM_STATUS_FIRMWARE_RUNNING: firmware is running 1133 * @IWL_MVM_STATUS_NEED_FLUSH_P2P: need to flush P2P bcast STA 1134 */ 1135 enum iwl_mvm_status { 1136 IWL_MVM_STATUS_HW_RFKILL, 1137 IWL_MVM_STATUS_HW_CTKILL, 1138 IWL_MVM_STATUS_ROC_RUNNING, 1139 IWL_MVM_STATUS_HW_RESTART_REQUESTED, 1140 IWL_MVM_STATUS_IN_HW_RESTART, 1141 IWL_MVM_STATUS_IN_D0I3, 1142 IWL_MVM_STATUS_ROC_AUX_RUNNING, 1143 IWL_MVM_STATUS_D3_RECONFIG, 1144 IWL_MVM_STATUS_FIRMWARE_RUNNING, 1145 IWL_MVM_STATUS_NEED_FLUSH_P2P, 1146 }; 1147 1148 /* Keep track of completed init configuration */ 1149 enum iwl_mvm_init_status { 1150 IWL_MVM_INIT_STATUS_THERMAL_INIT_COMPLETE = BIT(0), 1151 IWL_MVM_INIT_STATUS_LEDS_INIT_COMPLETE = BIT(1), 1152 IWL_MVM_INIT_STATUS_REG_HW_INIT_COMPLETE = BIT(2), 1153 IWL_MVM_INIT_STATUS_TOF_INIT_COMPLETE = BIT(3), 1154 }; 1155 1156 static inline bool iwl_mvm_is_radio_killed(struct iwl_mvm *mvm) 1157 { 1158 return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status) || 1159 test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status); 1160 } 1161 1162 static inline bool iwl_mvm_is_radio_hw_killed(struct iwl_mvm *mvm) 1163 { 1164 return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status); 1165 } 1166 1167 static inline bool iwl_mvm_firmware_running(struct iwl_mvm *mvm) 1168 { 1169 return test_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); 1170 } 1171 1172 /* Must be called with rcu_read_lock() held and it can only be 1173 * released when mvmsta is not needed anymore. 1174 */ 1175 static inline struct iwl_mvm_sta * 1176 iwl_mvm_sta_from_staid_rcu(struct iwl_mvm *mvm, u8 sta_id) 1177 { 1178 struct ieee80211_sta *sta; 1179 1180 if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id)) 1181 return NULL; 1182 1183 sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]); 1184 1185 /* This can happen if the station has been removed right now */ 1186 if (IS_ERR_OR_NULL(sta)) 1187 return NULL; 1188 1189 return iwl_mvm_sta_from_mac80211(sta); 1190 } 1191 1192 static inline struct iwl_mvm_sta * 1193 iwl_mvm_sta_from_staid_protected(struct iwl_mvm *mvm, u8 sta_id) 1194 { 1195 struct ieee80211_sta *sta; 1196 1197 if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id)) 1198 return NULL; 1199 1200 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id], 1201 lockdep_is_held(&mvm->mutex)); 1202 1203 /* This can happen if the station has been removed right now */ 1204 if (IS_ERR_OR_NULL(sta)) 1205 return NULL; 1206 1207 return iwl_mvm_sta_from_mac80211(sta); 1208 } 1209 1210 static inline bool iwl_mvm_is_d0i3_supported(struct iwl_mvm *mvm) 1211 { 1212 return !iwlwifi_mod_params.d0i3_disable && 1213 fw_has_capa(&mvm->fw->ucode_capa, 1214 IWL_UCODE_TLV_CAPA_D0I3_SUPPORT); 1215 } 1216 1217 static inline bool iwl_mvm_is_adaptive_dwell_supported(struct iwl_mvm *mvm) 1218 { 1219 return fw_has_api(&mvm->fw->ucode_capa, 1220 IWL_UCODE_TLV_API_ADAPTIVE_DWELL); 1221 } 1222 1223 static inline bool iwl_mvm_is_adaptive_dwell_v2_supported(struct iwl_mvm *mvm) 1224 { 1225 return fw_has_api(&mvm->fw->ucode_capa, 1226 IWL_UCODE_TLV_API_ADAPTIVE_DWELL_V2); 1227 } 1228 1229 static inline bool iwl_mvm_is_oce_supported(struct iwl_mvm *mvm) 1230 { 1231 /* OCE should never be enabled for LMAC scan FWs */ 1232 return fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_OCE); 1233 } 1234 1235 static inline bool iwl_mvm_is_frag_ebs_supported(struct iwl_mvm *mvm) 1236 { 1237 return fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_FRAG_EBS); 1238 } 1239 1240 static inline bool iwl_mvm_enter_d0i3_on_suspend(struct iwl_mvm *mvm) 1241 { 1242 /* For now we only use this mode to differentiate between 1243 * slave transports, which handle D0i3 entry in suspend by 1244 * themselves in conjunction with runtime PM D0i3. So, this 1245 * function is used to check whether we need to do anything 1246 * when entering suspend or if the transport layer has already 1247 * done it. 1248 */ 1249 return (mvm->trans->system_pm_mode == IWL_PLAT_PM_MODE_D0I3) && 1250 (mvm->trans->runtime_pm_mode != IWL_PLAT_PM_MODE_D0I3); 1251 } 1252 1253 static inline bool iwl_mvm_is_dqa_data_queue(struct iwl_mvm *mvm, u8 queue) 1254 { 1255 return (queue >= IWL_MVM_DQA_MIN_DATA_QUEUE) && 1256 (queue <= IWL_MVM_DQA_MAX_DATA_QUEUE); 1257 } 1258 1259 static inline bool iwl_mvm_is_dqa_mgmt_queue(struct iwl_mvm *mvm, u8 queue) 1260 { 1261 return (queue >= IWL_MVM_DQA_MIN_MGMT_QUEUE) && 1262 (queue <= IWL_MVM_DQA_MAX_MGMT_QUEUE); 1263 } 1264 1265 static inline bool iwl_mvm_is_lar_supported(struct iwl_mvm *mvm) 1266 { 1267 bool nvm_lar = mvm->nvm_data->lar_enabled; 1268 bool tlv_lar = fw_has_capa(&mvm->fw->ucode_capa, 1269 IWL_UCODE_TLV_CAPA_LAR_SUPPORT); 1270 1271 if (iwlwifi_mod_params.lar_disable) 1272 return false; 1273 1274 /* 1275 * Enable LAR only if it is supported by the FW (TLV) && 1276 * enabled in the NVM 1277 */ 1278 if (mvm->cfg->nvm_type == IWL_NVM_EXT) 1279 return nvm_lar && tlv_lar; 1280 else 1281 return tlv_lar; 1282 } 1283 1284 static inline bool iwl_mvm_is_wifi_mcc_supported(struct iwl_mvm *mvm) 1285 { 1286 return fw_has_api(&mvm->fw->ucode_capa, 1287 IWL_UCODE_TLV_API_WIFI_MCC_UPDATE) || 1288 fw_has_capa(&mvm->fw->ucode_capa, 1289 IWL_UCODE_TLV_CAPA_LAR_MULTI_MCC); 1290 } 1291 1292 static inline bool iwl_mvm_bt_is_rrc_supported(struct iwl_mvm *mvm) 1293 { 1294 return fw_has_capa(&mvm->fw->ucode_capa, 1295 IWL_UCODE_TLV_CAPA_BT_COEX_RRC) && 1296 IWL_MVM_BT_COEX_RRC; 1297 } 1298 1299 static inline bool iwl_mvm_is_csum_supported(struct iwl_mvm *mvm) 1300 { 1301 return fw_has_capa(&mvm->fw->ucode_capa, 1302 IWL_UCODE_TLV_CAPA_CSUM_SUPPORT) && 1303 !IWL_MVM_HW_CSUM_DISABLE; 1304 } 1305 1306 static inline bool iwl_mvm_is_mplut_supported(struct iwl_mvm *mvm) 1307 { 1308 return fw_has_capa(&mvm->fw->ucode_capa, 1309 IWL_UCODE_TLV_CAPA_BT_MPLUT_SUPPORT) && 1310 IWL_MVM_BT_COEX_MPLUT; 1311 } 1312 1313 static inline 1314 bool iwl_mvm_is_p2p_scm_uapsd_supported(struct iwl_mvm *mvm) 1315 { 1316 return fw_has_capa(&mvm->fw->ucode_capa, 1317 IWL_UCODE_TLV_CAPA_P2P_SCM_UAPSD) && 1318 !(iwlwifi_mod_params.uapsd_disable & 1319 IWL_DISABLE_UAPSD_P2P_CLIENT); 1320 } 1321 1322 static inline bool iwl_mvm_has_new_rx_api(struct iwl_mvm *mvm) 1323 { 1324 return fw_has_capa(&mvm->fw->ucode_capa, 1325 IWL_UCODE_TLV_CAPA_MULTI_QUEUE_RX_SUPPORT); 1326 } 1327 1328 static inline bool iwl_mvm_has_new_tx_api(struct iwl_mvm *mvm) 1329 { 1330 /* TODO - replace with TLV once defined */ 1331 return mvm->trans->cfg->use_tfh; 1332 } 1333 1334 static inline bool iwl_mvm_has_unified_ucode(struct iwl_mvm *mvm) 1335 { 1336 /* TODO - better define this */ 1337 return mvm->trans->cfg->device_family >= IWL_DEVICE_FAMILY_22000; 1338 } 1339 1340 static inline bool iwl_mvm_is_cdb_supported(struct iwl_mvm *mvm) 1341 { 1342 /* 1343 * TODO: 1344 * The issue of how to determine CDB APIs and usage is still not fully 1345 * defined. 1346 * There is a compilation for CDB and non-CDB FW, but there may 1347 * be also runtime check. 1348 * For now there is a TLV for checking compilation mode, but a 1349 * runtime check will also have to be here - once defined. 1350 */ 1351 return fw_has_capa(&mvm->fw->ucode_capa, 1352 IWL_UCODE_TLV_CAPA_CDB_SUPPORT); 1353 } 1354 1355 static inline bool iwl_mvm_cdb_scan_api(struct iwl_mvm *mvm) 1356 { 1357 /* 1358 * TODO: should this be the same as iwl_mvm_is_cdb_supported()? 1359 * but then there's a little bit of code in scan that won't make 1360 * any sense... 1361 */ 1362 return mvm->trans->cfg->device_family >= IWL_DEVICE_FAMILY_22000; 1363 } 1364 1365 static inline bool iwl_mvm_has_new_rx_stats_api(struct iwl_mvm *mvm) 1366 { 1367 return fw_has_api(&mvm->fw->ucode_capa, 1368 IWL_UCODE_TLV_API_NEW_RX_STATS); 1369 } 1370 1371 static inline bool iwl_mvm_has_quota_low_latency(struct iwl_mvm *mvm) 1372 { 1373 return fw_has_api(&mvm->fw->ucode_capa, 1374 IWL_UCODE_TLV_API_QUOTA_LOW_LATENCY); 1375 } 1376 1377 static inline bool iwl_mvm_has_tlc_offload(const struct iwl_mvm *mvm) 1378 { 1379 return fw_has_capa(&mvm->fw->ucode_capa, 1380 IWL_UCODE_TLV_CAPA_TLC_OFFLOAD); 1381 } 1382 1383 static inline struct agg_tx_status * 1384 iwl_mvm_get_agg_status(struct iwl_mvm *mvm, void *tx_resp) 1385 { 1386 if (iwl_mvm_has_new_tx_api(mvm)) 1387 return &((struct iwl_mvm_tx_resp *)tx_resp)->status; 1388 else 1389 return ((struct iwl_mvm_tx_resp_v3 *)tx_resp)->status; 1390 } 1391 1392 static inline bool iwl_mvm_is_tt_in_fw(struct iwl_mvm *mvm) 1393 { 1394 #ifdef CONFIG_THERMAL 1395 /* these two TLV are redundant since the responsibility to CT-kill by 1396 * FW happens only after we send at least one command of 1397 * temperature THs report. 1398 */ 1399 return fw_has_capa(&mvm->fw->ucode_capa, 1400 IWL_UCODE_TLV_CAPA_CT_KILL_BY_FW) && 1401 fw_has_capa(&mvm->fw->ucode_capa, 1402 IWL_UCODE_TLV_CAPA_TEMP_THS_REPORT_SUPPORT); 1403 #else /* CONFIG_THERMAL */ 1404 return false; 1405 #endif /* CONFIG_THERMAL */ 1406 } 1407 1408 static inline bool iwl_mvm_is_ctdp_supported(struct iwl_mvm *mvm) 1409 { 1410 return fw_has_capa(&mvm->fw->ucode_capa, 1411 IWL_UCODE_TLV_CAPA_CTDP_SUPPORT); 1412 } 1413 1414 extern const u8 iwl_mvm_ac_to_tx_fifo[]; 1415 extern const u8 iwl_mvm_ac_to_gen2_tx_fifo[]; 1416 1417 static inline u8 iwl_mvm_mac_ac_to_tx_fifo(struct iwl_mvm *mvm, 1418 enum ieee80211_ac_numbers ac) 1419 { 1420 return iwl_mvm_has_new_tx_api(mvm) ? 1421 iwl_mvm_ac_to_gen2_tx_fifo[ac] : iwl_mvm_ac_to_tx_fifo[ac]; 1422 } 1423 1424 struct iwl_rate_info { 1425 u8 plcp; /* uCode API: IWL_RATE_6M_PLCP, etc. */ 1426 u8 plcp_siso; /* uCode API: IWL_RATE_SISO_6M_PLCP, etc. */ 1427 u8 plcp_mimo2; /* uCode API: IWL_RATE_MIMO2_6M_PLCP, etc. */ 1428 u8 plcp_mimo3; /* uCode API: IWL_RATE_MIMO3_6M_PLCP, etc. */ 1429 u8 ieee; /* MAC header: IWL_RATE_6M_IEEE, etc. */ 1430 }; 1431 1432 void __iwl_mvm_mac_stop(struct iwl_mvm *mvm); 1433 int __iwl_mvm_mac_start(struct iwl_mvm *mvm); 1434 1435 /****************** 1436 * MVM Methods 1437 ******************/ 1438 /* uCode */ 1439 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm); 1440 1441 /* Utils */ 1442 int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags, 1443 enum nl80211_band band); 1444 void iwl_mvm_hwrate_to_tx_rate(u32 rate_n_flags, 1445 enum nl80211_band band, 1446 struct ieee80211_tx_rate *r); 1447 u8 iwl_mvm_mac80211_idx_to_hwrate(int rate_idx); 1448 void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm); 1449 u8 first_antenna(u8 mask); 1450 u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx); 1451 void iwl_mvm_get_sync_time(struct iwl_mvm *mvm, u32 *gp2, u64 *boottime); 1452 1453 /* Tx / Host Commands */ 1454 int __must_check iwl_mvm_send_cmd(struct iwl_mvm *mvm, 1455 struct iwl_host_cmd *cmd); 1456 int __must_check iwl_mvm_send_cmd_pdu(struct iwl_mvm *mvm, u32 id, 1457 u32 flags, u16 len, const void *data); 1458 int __must_check iwl_mvm_send_cmd_status(struct iwl_mvm *mvm, 1459 struct iwl_host_cmd *cmd, 1460 u32 *status); 1461 int __must_check iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u32 id, 1462 u16 len, const void *data, 1463 u32 *status); 1464 int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb, 1465 struct ieee80211_sta *sta); 1466 int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb); 1467 void iwl_mvm_set_tx_cmd(struct iwl_mvm *mvm, struct sk_buff *skb, 1468 struct iwl_tx_cmd *tx_cmd, 1469 struct ieee80211_tx_info *info, u8 sta_id); 1470 void iwl_mvm_set_tx_cmd_rate(struct iwl_mvm *mvm, struct iwl_tx_cmd *tx_cmd, 1471 struct ieee80211_tx_info *info, 1472 struct ieee80211_sta *sta, __le16 fc); 1473 #ifdef CONFIG_IWLWIFI_DEBUG 1474 const char *iwl_mvm_get_tx_fail_reason(u32 status); 1475 #else 1476 static inline const char *iwl_mvm_get_tx_fail_reason(u32 status) { return ""; } 1477 #endif 1478 int iwl_mvm_flush_tx_path(struct iwl_mvm *mvm, u32 tfd_msk, u32 flags); 1479 int iwl_mvm_flush_sta(struct iwl_mvm *mvm, void *sta, bool internal, u32 flags); 1480 int iwl_mvm_flush_sta_tids(struct iwl_mvm *mvm, u32 sta_id, 1481 u16 tids, u32 flags); 1482 1483 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm); 1484 1485 static inline void iwl_mvm_set_tx_cmd_ccmp(struct ieee80211_tx_info *info, 1486 struct iwl_tx_cmd *tx_cmd) 1487 { 1488 struct ieee80211_key_conf *keyconf = info->control.hw_key; 1489 1490 tx_cmd->sec_ctl = TX_CMD_SEC_CCM; 1491 memcpy(tx_cmd->key, keyconf->key, keyconf->keylen); 1492 } 1493 1494 static inline void iwl_mvm_wait_for_async_handlers(struct iwl_mvm *mvm) 1495 { 1496 flush_work(&mvm->async_handlers_wk); 1497 } 1498 1499 /* Statistics */ 1500 void iwl_mvm_handle_rx_statistics(struct iwl_mvm *mvm, 1501 struct iwl_rx_packet *pkt); 1502 void iwl_mvm_rx_statistics(struct iwl_mvm *mvm, 1503 struct iwl_rx_cmd_buffer *rxb); 1504 int iwl_mvm_request_statistics(struct iwl_mvm *mvm, bool clear); 1505 void iwl_mvm_accu_radio_stats(struct iwl_mvm *mvm); 1506 1507 /* NVM */ 1508 int iwl_nvm_init(struct iwl_mvm *mvm); 1509 int iwl_mvm_load_nvm_to_nic(struct iwl_mvm *mvm); 1510 1511 static inline u8 iwl_mvm_get_valid_tx_ant(struct iwl_mvm *mvm) 1512 { 1513 return mvm->nvm_data && mvm->nvm_data->valid_tx_ant ? 1514 mvm->fw->valid_tx_ant & mvm->nvm_data->valid_tx_ant : 1515 mvm->fw->valid_tx_ant; 1516 } 1517 1518 static inline u8 iwl_mvm_get_valid_rx_ant(struct iwl_mvm *mvm) 1519 { 1520 return mvm->nvm_data && mvm->nvm_data->valid_rx_ant ? 1521 mvm->fw->valid_rx_ant & mvm->nvm_data->valid_rx_ant : 1522 mvm->fw->valid_rx_ant; 1523 } 1524 1525 static inline void iwl_mvm_toggle_tx_ant(struct iwl_mvm *mvm, u8 *ant) 1526 { 1527 *ant = iwl_mvm_next_antenna(mvm, iwl_mvm_get_valid_tx_ant(mvm), *ant); 1528 } 1529 1530 static inline u32 iwl_mvm_get_phy_config(struct iwl_mvm *mvm) 1531 { 1532 u32 phy_config = ~(FW_PHY_CFG_TX_CHAIN | 1533 FW_PHY_CFG_RX_CHAIN); 1534 u32 valid_rx_ant = iwl_mvm_get_valid_rx_ant(mvm); 1535 u32 valid_tx_ant = iwl_mvm_get_valid_tx_ant(mvm); 1536 1537 phy_config |= valid_tx_ant << FW_PHY_CFG_TX_CHAIN_POS | 1538 valid_rx_ant << FW_PHY_CFG_RX_CHAIN_POS; 1539 1540 return mvm->fw->phy_config & phy_config; 1541 } 1542 1543 int iwl_mvm_up(struct iwl_mvm *mvm); 1544 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm); 1545 1546 int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm); 1547 bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm, 1548 struct iwl_bcast_filter_cmd *cmd); 1549 1550 /* 1551 * FW notifications / CMD responses handlers 1552 * Convention: iwl_mvm_rx_<NAME OF THE CMD> 1553 */ 1554 void iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 1555 void iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct napi_struct *napi, 1556 struct iwl_rx_cmd_buffer *rxb); 1557 void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi, 1558 struct iwl_rx_cmd_buffer *rxb, int queue); 1559 void iwl_mvm_rx_monitor_ndp(struct iwl_mvm *mvm, struct napi_struct *napi, 1560 struct iwl_rx_cmd_buffer *rxb, int queue); 1561 void iwl_mvm_rx_frame_release(struct iwl_mvm *mvm, struct napi_struct *napi, 1562 struct iwl_rx_cmd_buffer *rxb, int queue); 1563 int iwl_mvm_notify_rx_queue(struct iwl_mvm *mvm, u32 rxq_mask, 1564 const u8 *data, u32 count); 1565 void iwl_mvm_rx_queue_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, 1566 int queue); 1567 void iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 1568 void iwl_mvm_mfu_assert_dump_notif(struct iwl_mvm *mvm, 1569 struct iwl_rx_cmd_buffer *rxb); 1570 void iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 1571 void iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm, 1572 struct iwl_rx_cmd_buffer *rxb); 1573 void iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 1574 void iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm, 1575 struct iwl_rx_cmd_buffer *rxb); 1576 void iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm, 1577 struct iwl_rx_cmd_buffer *rxb); 1578 void iwl_mvm_rx_shared_mem_cfg_notif(struct iwl_mvm *mvm, 1579 struct iwl_rx_cmd_buffer *rxb); 1580 1581 /* MVM PHY */ 1582 int iwl_mvm_phy_ctxt_add(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt, 1583 struct cfg80211_chan_def *chandef, 1584 u8 chains_static, u8 chains_dynamic); 1585 int iwl_mvm_phy_ctxt_changed(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt, 1586 struct cfg80211_chan_def *chandef, 1587 u8 chains_static, u8 chains_dynamic); 1588 void iwl_mvm_phy_ctxt_ref(struct iwl_mvm *mvm, 1589 struct iwl_mvm_phy_ctxt *ctxt); 1590 void iwl_mvm_phy_ctxt_unref(struct iwl_mvm *mvm, 1591 struct iwl_mvm_phy_ctxt *ctxt); 1592 int iwl_mvm_phy_ctx_count(struct iwl_mvm *mvm); 1593 u8 iwl_mvm_get_channel_width(struct cfg80211_chan_def *chandef); 1594 u8 iwl_mvm_get_ctrl_pos(struct cfg80211_chan_def *chandef); 1595 1596 /* MAC (virtual interface) programming */ 1597 int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif); 1598 int iwl_mvm_mac_ctxt_add(struct iwl_mvm *mvm, struct ieee80211_vif *vif); 1599 int iwl_mvm_mac_ctxt_changed(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1600 bool force_assoc_off, const u8 *bssid_override); 1601 int iwl_mvm_mac_ctxt_remove(struct iwl_mvm *mvm, struct ieee80211_vif *vif); 1602 u32 iwl_mvm_mac_get_queues_mask(struct ieee80211_vif *vif); 1603 int iwl_mvm_mac_ctxt_beacon_changed(struct iwl_mvm *mvm, 1604 struct ieee80211_vif *vif); 1605 void iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm, 1606 struct iwl_rx_cmd_buffer *rxb); 1607 void iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm, 1608 struct iwl_rx_cmd_buffer *rxb); 1609 void iwl_mvm_rx_stored_beacon_notif(struct iwl_mvm *mvm, 1610 struct iwl_rx_cmd_buffer *rxb); 1611 void iwl_mvm_mu_mimo_grp_notif(struct iwl_mvm *mvm, 1612 struct iwl_rx_cmd_buffer *rxb); 1613 void iwl_mvm_sta_pm_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 1614 void iwl_mvm_window_status_notif(struct iwl_mvm *mvm, 1615 struct iwl_rx_cmd_buffer *rxb); 1616 void iwl_mvm_mac_ctxt_recalc_tsf_id(struct iwl_mvm *mvm, 1617 struct ieee80211_vif *vif); 1618 unsigned long iwl_mvm_get_used_hw_queues(struct iwl_mvm *mvm, 1619 struct ieee80211_vif *exclude_vif); 1620 void iwl_mvm_probe_resp_data_notif(struct iwl_mvm *mvm, 1621 struct iwl_rx_cmd_buffer *rxb); 1622 void iwl_mvm_channel_switch_noa_notif(struct iwl_mvm *mvm, 1623 struct iwl_rx_cmd_buffer *rxb); 1624 /* Bindings */ 1625 int iwl_mvm_binding_add_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif); 1626 int iwl_mvm_binding_remove_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif); 1627 1628 /* Quota management */ 1629 static inline size_t iwl_mvm_quota_cmd_size(struct iwl_mvm *mvm) 1630 { 1631 return iwl_mvm_has_quota_low_latency(mvm) ? 1632 sizeof(struct iwl_time_quota_cmd) : 1633 sizeof(struct iwl_time_quota_cmd_v1); 1634 } 1635 1636 static inline struct iwl_time_quota_data 1637 *iwl_mvm_quota_cmd_get_quota(struct iwl_mvm *mvm, 1638 struct iwl_time_quota_cmd *cmd, 1639 int i) 1640 { 1641 struct iwl_time_quota_data_v1 *quotas; 1642 1643 if (iwl_mvm_has_quota_low_latency(mvm)) 1644 return &cmd->quotas[i]; 1645 1646 quotas = (struct iwl_time_quota_data_v1 *)cmd->quotas; 1647 return (struct iwl_time_quota_data *)"as[i]; 1648 } 1649 1650 int iwl_mvm_update_quotas(struct iwl_mvm *mvm, bool force_upload, 1651 struct ieee80211_vif *disabled_vif); 1652 1653 /* Scanning */ 1654 int iwl_mvm_reg_scan_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1655 struct cfg80211_scan_request *req, 1656 struct ieee80211_scan_ies *ies); 1657 int iwl_mvm_scan_size(struct iwl_mvm *mvm); 1658 int iwl_mvm_scan_stop(struct iwl_mvm *mvm, int type, bool notify); 1659 int iwl_mvm_max_scan_ie_len(struct iwl_mvm *mvm); 1660 void iwl_mvm_report_scan_aborted(struct iwl_mvm *mvm); 1661 void iwl_mvm_scan_timeout_wk(struct work_struct *work); 1662 1663 /* Scheduled scan */ 1664 void iwl_mvm_rx_lmac_scan_complete_notif(struct iwl_mvm *mvm, 1665 struct iwl_rx_cmd_buffer *rxb); 1666 void iwl_mvm_rx_lmac_scan_iter_complete_notif(struct iwl_mvm *mvm, 1667 struct iwl_rx_cmd_buffer *rxb); 1668 int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm, 1669 struct ieee80211_vif *vif, 1670 struct cfg80211_sched_scan_request *req, 1671 struct ieee80211_scan_ies *ies, 1672 int type); 1673 void iwl_mvm_rx_scan_match_found(struct iwl_mvm *mvm, 1674 struct iwl_rx_cmd_buffer *rxb); 1675 1676 /* UMAC scan */ 1677 int iwl_mvm_config_scan(struct iwl_mvm *mvm); 1678 void iwl_mvm_rx_umac_scan_complete_notif(struct iwl_mvm *mvm, 1679 struct iwl_rx_cmd_buffer *rxb); 1680 void iwl_mvm_rx_umac_scan_iter_complete_notif(struct iwl_mvm *mvm, 1681 struct iwl_rx_cmd_buffer *rxb); 1682 1683 /* MVM debugfs */ 1684 #ifdef CONFIG_IWLWIFI_DEBUGFS 1685 int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir); 1686 void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif); 1687 void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif); 1688 #else 1689 static inline int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, 1690 struct dentry *dbgfs_dir) 1691 { 1692 return 0; 1693 } 1694 static inline void 1695 iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif) 1696 { 1697 } 1698 static inline void 1699 iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif) 1700 { 1701 } 1702 #endif /* CONFIG_IWLWIFI_DEBUGFS */ 1703 1704 /* rate scaling */ 1705 int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool sync); 1706 void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm, u32 rate, bool agg); 1707 int rs_pretty_print_rate(char *buf, int bufsz, const u32 rate); 1708 void rs_update_last_rssi(struct iwl_mvm *mvm, 1709 struct iwl_mvm_sta *mvmsta, 1710 struct ieee80211_rx_status *rx_status); 1711 1712 /* power management */ 1713 int iwl_mvm_power_update_device(struct iwl_mvm *mvm); 1714 int iwl_mvm_power_update_mac(struct iwl_mvm *mvm); 1715 int iwl_mvm_power_update_ps(struct iwl_mvm *mvm); 1716 int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1717 char *buf, int bufsz); 1718 1719 void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif); 1720 void iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm, 1721 struct iwl_rx_cmd_buffer *rxb); 1722 1723 #ifdef CONFIG_IWLWIFI_LEDS 1724 int iwl_mvm_leds_init(struct iwl_mvm *mvm); 1725 void iwl_mvm_leds_exit(struct iwl_mvm *mvm); 1726 void iwl_mvm_leds_sync(struct iwl_mvm *mvm); 1727 #else 1728 static inline int iwl_mvm_leds_init(struct iwl_mvm *mvm) 1729 { 1730 return 0; 1731 } 1732 static inline void iwl_mvm_leds_exit(struct iwl_mvm *mvm) 1733 { 1734 } 1735 static inline void iwl_mvm_leds_sync(struct iwl_mvm *mvm) 1736 { 1737 } 1738 #endif 1739 1740 /* D3 (WoWLAN, NetDetect) */ 1741 int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan); 1742 int iwl_mvm_resume(struct ieee80211_hw *hw); 1743 void iwl_mvm_set_wakeup(struct ieee80211_hw *hw, bool enabled); 1744 void iwl_mvm_set_rekey_data(struct ieee80211_hw *hw, 1745 struct ieee80211_vif *vif, 1746 struct cfg80211_gtk_rekey_data *data); 1747 void iwl_mvm_ipv6_addr_change(struct ieee80211_hw *hw, 1748 struct ieee80211_vif *vif, 1749 struct inet6_dev *idev); 1750 void iwl_mvm_set_default_unicast_key(struct ieee80211_hw *hw, 1751 struct ieee80211_vif *vif, int idx); 1752 extern const struct file_operations iwl_dbgfs_d3_test_ops; 1753 struct iwl_wowlan_status *iwl_mvm_send_wowlan_get_status(struct iwl_mvm *mvm); 1754 #ifdef CONFIG_PM 1755 int iwl_mvm_wowlan_config_key_params(struct iwl_mvm *mvm, 1756 struct ieee80211_vif *vif, 1757 bool host_awake, 1758 u32 cmd_flags); 1759 void iwl_mvm_d0i3_update_keys(struct iwl_mvm *mvm, 1760 struct ieee80211_vif *vif, 1761 struct iwl_wowlan_status *status); 1762 void iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm, 1763 struct ieee80211_vif *vif); 1764 #else 1765 static inline int iwl_mvm_wowlan_config_key_params(struct iwl_mvm *mvm, 1766 struct ieee80211_vif *vif, 1767 bool host_awake, 1768 u32 cmd_flags) 1769 { 1770 return 0; 1771 } 1772 1773 static inline void iwl_mvm_d0i3_update_keys(struct iwl_mvm *mvm, 1774 struct ieee80211_vif *vif, 1775 struct iwl_wowlan_status *status) 1776 { 1777 } 1778 1779 static inline void 1780 iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm, struct ieee80211_vif *vif) 1781 { 1782 } 1783 #endif 1784 void iwl_mvm_set_wowlan_qos_seq(struct iwl_mvm_sta *mvm_ap_sta, 1785 struct iwl_wowlan_config_cmd *cmd); 1786 int iwl_mvm_send_proto_offload(struct iwl_mvm *mvm, 1787 struct ieee80211_vif *vif, 1788 bool disable_offloading, 1789 bool offload_ns, 1790 u32 cmd_flags); 1791 1792 /* D0i3 */ 1793 void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type); 1794 void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type); 1795 int iwl_mvm_ref_sync(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type); 1796 bool iwl_mvm_ref_taken(struct iwl_mvm *mvm); 1797 1798 #ifdef CONFIG_PM 1799 void iwl_mvm_d0i3_enable_tx(struct iwl_mvm *mvm, __le16 *qos_seq); 1800 int iwl_mvm_enter_d0i3(struct iwl_op_mode *op_mode); 1801 int iwl_mvm_exit_d0i3(struct iwl_op_mode *op_mode); 1802 int _iwl_mvm_exit_d0i3(struct iwl_mvm *mvm); 1803 #endif 1804 1805 /* BT Coex */ 1806 int iwl_mvm_send_bt_init_conf(struct iwl_mvm *mvm); 1807 void iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm, 1808 struct iwl_rx_cmd_buffer *rxb); 1809 void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1810 enum ieee80211_rssi_event_data); 1811 void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm); 1812 u16 iwl_mvm_coex_agg_time_limit(struct iwl_mvm *mvm, 1813 struct ieee80211_sta *sta); 1814 bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm, 1815 struct ieee80211_sta *sta); 1816 bool iwl_mvm_bt_coex_is_ant_avail(struct iwl_mvm *mvm, u8 ant); 1817 bool iwl_mvm_bt_coex_is_shared_ant_avail(struct iwl_mvm *mvm); 1818 bool iwl_mvm_bt_coex_is_tpc_allowed(struct iwl_mvm *mvm, 1819 enum nl80211_band band); 1820 u8 iwl_mvm_bt_coex_get_single_ant_msk(struct iwl_mvm *mvm, u8 enabled_ants); 1821 u8 iwl_mvm_bt_coex_tx_prio(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr, 1822 struct ieee80211_tx_info *info, u8 ac); 1823 1824 /* beacon filtering */ 1825 #ifdef CONFIG_IWLWIFI_DEBUGFS 1826 void 1827 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif, 1828 struct iwl_beacon_filter_cmd *cmd); 1829 #else 1830 static inline void 1831 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif, 1832 struct iwl_beacon_filter_cmd *cmd) 1833 {} 1834 #endif 1835 int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm, 1836 struct ieee80211_vif *vif, 1837 bool enable, u32 flags); 1838 int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm, 1839 struct ieee80211_vif *vif, 1840 u32 flags); 1841 int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm, 1842 struct ieee80211_vif *vif, 1843 u32 flags); 1844 /* SMPS */ 1845 void iwl_mvm_update_smps(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1846 enum iwl_mvm_smps_type_request req_type, 1847 enum ieee80211_smps_mode smps_request); 1848 bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm *mvm); 1849 1850 /* Low latency */ 1851 int iwl_mvm_update_low_latency(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1852 bool low_latency, 1853 enum iwl_mvm_low_latency_cause cause); 1854 /* get SystemLowLatencyMode - only needed for beacon threshold? */ 1855 bool iwl_mvm_low_latency(struct iwl_mvm *mvm); 1856 bool iwl_mvm_low_latency_band(struct iwl_mvm *mvm, enum nl80211_band band); 1857 void iwl_mvm_send_low_latency_cmd(struct iwl_mvm *mvm, bool low_latency, 1858 u16 mac_id); 1859 1860 /* get VMACLowLatencyMode */ 1861 static inline bool iwl_mvm_vif_low_latency(struct iwl_mvm_vif *mvmvif) 1862 { 1863 /* 1864 * should this consider associated/active/... state? 1865 * 1866 * Normally low-latency should only be active on interfaces 1867 * that are active, but at least with debugfs it can also be 1868 * enabled on interfaces that aren't active. However, when 1869 * interface aren't active then they aren't added into the 1870 * binding, so this has no real impact. For now, just return 1871 * the current desired low-latency state. 1872 */ 1873 return mvmvif->low_latency; 1874 } 1875 1876 static inline 1877 void iwl_mvm_vif_set_low_latency(struct iwl_mvm_vif *mvmvif, bool set, 1878 enum iwl_mvm_low_latency_cause cause) 1879 { 1880 if (set) 1881 mvmvif->low_latency |= cause; 1882 else 1883 mvmvif->low_latency &= ~cause; 1884 } 1885 1886 /* Return a bitmask with all the hw supported queues, except for the 1887 * command queue, which can't be flushed. 1888 */ 1889 static inline u32 iwl_mvm_flushable_queues(struct iwl_mvm *mvm) 1890 { 1891 return ((BIT(mvm->cfg->base_params->num_of_queues) - 1) & 1892 ~BIT(IWL_MVM_DQA_CMD_QUEUE)); 1893 } 1894 1895 static inline void iwl_mvm_stop_device(struct iwl_mvm *mvm) 1896 { 1897 lockdep_assert_held(&mvm->mutex); 1898 /* calling this function without using dump_start/end since at this 1899 * point we already hold the op mode mutex 1900 */ 1901 iwl_fw_dbg_collect_sync(&mvm->fwrt); 1902 iwl_fw_cancel_timestamp(&mvm->fwrt); 1903 iwl_free_fw_paging(&mvm->fwrt); 1904 clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); 1905 iwl_fw_dump_conf_clear(&mvm->fwrt); 1906 iwl_trans_stop_device(mvm->trans); 1907 } 1908 1909 /* Stop/start all mac queues in a given bitmap */ 1910 void iwl_mvm_start_mac_queues(struct iwl_mvm *mvm, unsigned long mq); 1911 void iwl_mvm_stop_mac_queues(struct iwl_mvm *mvm, unsigned long mq); 1912 1913 /* Re-configure the SCD for a queue that has already been configured */ 1914 int iwl_mvm_reconfig_scd(struct iwl_mvm *mvm, int queue, int fifo, int sta_id, 1915 int tid, int frame_limit, u16 ssn); 1916 1917 /* Thermal management and CT-kill */ 1918 void iwl_mvm_tt_tx_backoff(struct iwl_mvm *mvm, u32 backoff); 1919 void iwl_mvm_tt_temp_changed(struct iwl_mvm *mvm, u32 temp); 1920 void iwl_mvm_temp_notif(struct iwl_mvm *mvm, 1921 struct iwl_rx_cmd_buffer *rxb); 1922 void iwl_mvm_tt_handler(struct iwl_mvm *mvm); 1923 void iwl_mvm_thermal_initialize(struct iwl_mvm *mvm, u32 min_backoff); 1924 void iwl_mvm_thermal_exit(struct iwl_mvm *mvm); 1925 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state); 1926 int iwl_mvm_get_temp(struct iwl_mvm *mvm, s32 *temp); 1927 void iwl_mvm_ct_kill_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 1928 void iwl_mvm_enter_ctkill(struct iwl_mvm *mvm); 1929 int iwl_mvm_send_temp_report_ths_cmd(struct iwl_mvm *mvm); 1930 int iwl_mvm_ctdp_command(struct iwl_mvm *mvm, u32 op, u32 budget); 1931 1932 /* Location Aware Regulatory */ 1933 struct iwl_mcc_update_resp * 1934 iwl_mvm_update_mcc(struct iwl_mvm *mvm, const char *alpha2, 1935 enum iwl_mcc_source src_id); 1936 int iwl_mvm_init_mcc(struct iwl_mvm *mvm); 1937 void iwl_mvm_rx_chub_update_mcc(struct iwl_mvm *mvm, 1938 struct iwl_rx_cmd_buffer *rxb); 1939 struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy, 1940 const char *alpha2, 1941 enum iwl_mcc_source src_id, 1942 bool *changed); 1943 struct ieee80211_regdomain *iwl_mvm_get_current_regdomain(struct iwl_mvm *mvm, 1944 bool *changed); 1945 int iwl_mvm_init_fw_regd(struct iwl_mvm *mvm); 1946 void iwl_mvm_update_changed_regdom(struct iwl_mvm *mvm); 1947 1948 /* smart fifo */ 1949 int iwl_mvm_sf_update(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1950 bool added_vif); 1951 1952 /* TDLS */ 1953 1954 /* 1955 * We use TID 4 (VI) as a FW-used-only TID when TDLS connections are present. 1956 * This TID is marked as used vs the AP and all connected TDLS peers. 1957 */ 1958 #define IWL_MVM_TDLS_FW_TID 4 1959 1960 int iwl_mvm_tdls_sta_count(struct iwl_mvm *mvm, struct ieee80211_vif *vif); 1961 void iwl_mvm_teardown_tdls_peers(struct iwl_mvm *mvm); 1962 void iwl_mvm_recalc_tdls_state(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1963 bool sta_added); 1964 void iwl_mvm_mac_mgd_protect_tdls_discover(struct ieee80211_hw *hw, 1965 struct ieee80211_vif *vif); 1966 int iwl_mvm_tdls_channel_switch(struct ieee80211_hw *hw, 1967 struct ieee80211_vif *vif, 1968 struct ieee80211_sta *sta, u8 oper_class, 1969 struct cfg80211_chan_def *chandef, 1970 struct sk_buff *tmpl_skb, u32 ch_sw_tm_ie); 1971 void iwl_mvm_tdls_recv_channel_switch(struct ieee80211_hw *hw, 1972 struct ieee80211_vif *vif, 1973 struct ieee80211_tdls_ch_sw_params *params); 1974 void iwl_mvm_tdls_cancel_channel_switch(struct ieee80211_hw *hw, 1975 struct ieee80211_vif *vif, 1976 struct ieee80211_sta *sta); 1977 void iwl_mvm_rx_tdls_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 1978 void iwl_mvm_tdls_ch_switch_work(struct work_struct *work); 1979 1980 void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm *mvm, 1981 struct iwl_mvm_internal_rxq_notif *notif, 1982 u32 size); 1983 void iwl_mvm_reorder_timer_expired(struct timer_list *t); 1984 struct ieee80211_vif *iwl_mvm_get_bss_vif(struct iwl_mvm *mvm); 1985 bool iwl_mvm_is_vif_assoc(struct iwl_mvm *mvm); 1986 1987 #define MVM_TCM_PERIOD_MSEC 500 1988 #define MVM_TCM_PERIOD (HZ * MVM_TCM_PERIOD_MSEC / 1000) 1989 #define MVM_LL_PERIOD (10 * HZ) 1990 void iwl_mvm_tcm_work(struct work_struct *work); 1991 void iwl_mvm_recalc_tcm(struct iwl_mvm *mvm); 1992 void iwl_mvm_pause_tcm(struct iwl_mvm *mvm, bool with_cancel); 1993 void iwl_mvm_resume_tcm(struct iwl_mvm *mvm); 1994 void iwl_mvm_tcm_add_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif); 1995 void iwl_mvm_tcm_rm_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif); 1996 u8 iwl_mvm_tcm_load_percentage(u32 airtime, u32 elapsed); 1997 1998 void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error); 1999 unsigned int iwl_mvm_get_wd_timeout(struct iwl_mvm *mvm, 2000 struct ieee80211_vif *vif, 2001 bool tdls, bool cmd_q); 2002 void iwl_mvm_connection_loss(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 2003 const char *errmsg); 2004 void iwl_mvm_event_frame_timeout_callback(struct iwl_mvm *mvm, 2005 struct ieee80211_vif *vif, 2006 const struct ieee80211_sta *sta, 2007 u16 tid); 2008 2009 int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a, int prof_b); 2010 int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm); 2011 #ifdef CONFIG_IWLWIFI_DEBUGFS 2012 void iwl_mvm_sta_add_debugfs(struct ieee80211_hw *hw, 2013 struct ieee80211_vif *vif, 2014 struct ieee80211_sta *sta, 2015 struct dentry *dir); 2016 #endif 2017 2018 #endif /* __IWL_MVM_H__ */ 2019