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