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 * You should have received a copy of the GNU General Public License 23 * along with this program; if not, write to the Free Software 24 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, 25 * USA 26 * 27 * The full GNU General Public License is included in this distribution 28 * in the file called COPYING. 29 * 30 * Contact Information: 31 * Intel Linux Wireless <linuxwifi@intel.com> 32 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 33 * 34 * BSD LICENSE 35 * 36 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. 37 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH 38 * Copyright(c) 2016 - 2017 Intel Deutschland GmbH 39 * Copyright(c) 2018 Intel Corporation 40 * All rights reserved. 41 * 42 * Redistribution and use in source and binary forms, with or without 43 * modification, are permitted provided that the following conditions 44 * are met: 45 * 46 * * Redistributions of source code must retain the above copyright 47 * notice, this list of conditions and the following disclaimer. 48 * * Redistributions in binary form must reproduce the above copyright 49 * notice, this list of conditions and the following disclaimer in 50 * the documentation and/or other materials provided with the 51 * distribution. 52 * * Neither the name Intel Corporation nor the names of its 53 * contributors may be used to endorse or promote products derived 54 * from this software without specific prior written permission. 55 * 56 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 57 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 58 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 59 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 60 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 61 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 62 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 63 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 64 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 65 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 66 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 67 * 68 *****************************************************************************/ 69 70 #ifndef __IWL_MVM_H__ 71 #define __IWL_MVM_H__ 72 73 #include <linux/list.h> 74 #include <linux/spinlock.h> 75 #include <linux/leds.h> 76 #include <linux/in6.h> 77 78 #ifdef CONFIG_THERMAL 79 #include <linux/thermal.h> 80 #endif 81 82 #include "iwl-op-mode.h" 83 #include "iwl-trans.h" 84 #include "fw/notif-wait.h" 85 #include "iwl-eeprom-parse.h" 86 #include "fw/file.h" 87 #include "iwl-config.h" 88 #include "sta.h" 89 #include "fw-api.h" 90 #include "constants.h" 91 #include "tof.h" 92 #include "fw/runtime.h" 93 #include "fw/dbg.h" 94 #include "fw/acpi.h" 95 #include "iwl-nvm-parse.h" 96 97 #include <linux/average.h> 98 99 #define IWL_MVM_MAX_ADDRESSES 5 100 /* RSSI offset for WkP */ 101 #define IWL_RSSI_OFFSET 50 102 #define IWL_MVM_MISSED_BEACONS_THRESHOLD 8 103 /* A TimeUnit is 1024 microsecond */ 104 #define MSEC_TO_TU(_msec) (_msec*1000/1024) 105 106 /* For GO, this value represents the number of TUs before CSA "beacon 107 * 0" TBTT when the CSA time-event needs to be scheduled to start. It 108 * must be big enough to ensure that we switch in time. 109 */ 110 #define IWL_MVM_CHANNEL_SWITCH_TIME_GO 40 111 112 /* For client, this value represents the number of TUs before CSA 113 * "beacon 1" TBTT, instead. This is because we don't know when the 114 * GO/AP will be in the new channel, so we switch early enough. 115 */ 116 #define IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT 10 117 118 /* 119 * This value (in TUs) is used to fine tune the CSA NoA end time which should 120 * be just before "beacon 0" TBTT. 121 */ 122 #define IWL_MVM_CHANNEL_SWITCH_MARGIN 4 123 124 /* 125 * Number of beacons to transmit on a new channel until we unblock tx to 126 * the stations, even if we didn't identify them on a new channel 127 */ 128 #define IWL_MVM_CS_UNBLOCK_TX_TIMEOUT 3 129 130 /* offchannel queue towards mac80211 */ 131 #define IWL_MVM_OFFCHANNEL_QUEUE 0 132 133 extern const struct ieee80211_ops iwl_mvm_hw_ops; 134 135 /** 136 * struct iwl_mvm_mod_params - module parameters for iwlmvm 137 * @init_dbg: if true, then the NIC won't be stopped if the INIT fw asserted. 138 * We will register to mac80211 to have testmode working. The NIC must not 139 * be up'ed after the INIT fw asserted. This is useful to be able to use 140 * proprietary tools over testmode to debug the INIT fw. 141 * @tfd_q_hang_detect: enabled the detection of hung transmit queues 142 * @power_scheme: one of enum iwl_power_scheme 143 */ 144 struct iwl_mvm_mod_params { 145 bool init_dbg; 146 bool tfd_q_hang_detect; 147 int power_scheme; 148 }; 149 extern struct iwl_mvm_mod_params iwlmvm_mod_params; 150 151 struct iwl_mvm_phy_ctxt { 152 u16 id; 153 u16 color; 154 u32 ref; 155 156 enum nl80211_chan_width width; 157 158 /* 159 * TODO: This should probably be removed. Currently here only for rate 160 * scaling algorithm 161 */ 162 struct ieee80211_channel *channel; 163 }; 164 165 struct iwl_mvm_time_event_data { 166 struct ieee80211_vif *vif; 167 struct list_head list; 168 unsigned long end_jiffies; 169 u32 duration; 170 bool running; 171 u32 uid; 172 173 /* 174 * The access to the 'id' field must be done when the 175 * mvm->time_event_lock is held, as it value is used to indicate 176 * if the te is in the time event list or not (when id == TE_MAX) 177 */ 178 u32 id; 179 }; 180 181 /* Power management */ 182 183 /** 184 * enum iwl_power_scheme 185 * @IWL_POWER_LEVEL_CAM - Continuously Active Mode 186 * @IWL_POWER_LEVEL_BPS - Balanced Power Save (default) 187 * @IWL_POWER_LEVEL_LP - Low Power 188 */ 189 enum iwl_power_scheme { 190 IWL_POWER_SCHEME_CAM = 1, 191 IWL_POWER_SCHEME_BPS, 192 IWL_POWER_SCHEME_LP 193 }; 194 195 #define IWL_CONN_MAX_LISTEN_INTERVAL 10 196 #define IWL_UAPSD_MAX_SP IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 197 198 #ifdef CONFIG_IWLWIFI_DEBUGFS 199 enum iwl_dbgfs_pm_mask { 200 MVM_DEBUGFS_PM_KEEP_ALIVE = BIT(0), 201 MVM_DEBUGFS_PM_SKIP_OVER_DTIM = BIT(1), 202 MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS = BIT(2), 203 MVM_DEBUGFS_PM_RX_DATA_TIMEOUT = BIT(3), 204 MVM_DEBUGFS_PM_TX_DATA_TIMEOUT = BIT(4), 205 MVM_DEBUGFS_PM_LPRX_ENA = BIT(6), 206 MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD = BIT(7), 207 MVM_DEBUGFS_PM_SNOOZE_ENABLE = BIT(8), 208 MVM_DEBUGFS_PM_UAPSD_MISBEHAVING = BIT(9), 209 MVM_DEBUGFS_PM_USE_PS_POLL = BIT(10), 210 }; 211 212 struct iwl_dbgfs_pm { 213 u16 keep_alive_seconds; 214 u32 rx_data_timeout; 215 u32 tx_data_timeout; 216 bool skip_over_dtim; 217 u8 skip_dtim_periods; 218 bool lprx_ena; 219 u32 lprx_rssi_threshold; 220 bool snooze_ena; 221 bool uapsd_misbehaving; 222 bool use_ps_poll; 223 int mask; 224 }; 225 226 /* beacon filtering */ 227 228 enum iwl_dbgfs_bf_mask { 229 MVM_DEBUGFS_BF_ENERGY_DELTA = BIT(0), 230 MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA = BIT(1), 231 MVM_DEBUGFS_BF_ROAMING_STATE = BIT(2), 232 MVM_DEBUGFS_BF_TEMP_THRESHOLD = BIT(3), 233 MVM_DEBUGFS_BF_TEMP_FAST_FILTER = BIT(4), 234 MVM_DEBUGFS_BF_TEMP_SLOW_FILTER = BIT(5), 235 MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER = BIT(6), 236 MVM_DEBUGFS_BF_DEBUG_FLAG = BIT(7), 237 MVM_DEBUGFS_BF_ESCAPE_TIMER = BIT(8), 238 MVM_DEBUGFS_BA_ESCAPE_TIMER = BIT(9), 239 MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT = BIT(10), 240 }; 241 242 struct iwl_dbgfs_bf { 243 u32 bf_energy_delta; 244 u32 bf_roaming_energy_delta; 245 u32 bf_roaming_state; 246 u32 bf_temp_threshold; 247 u32 bf_temp_fast_filter; 248 u32 bf_temp_slow_filter; 249 u32 bf_enable_beacon_filter; 250 u32 bf_debug_flag; 251 u32 bf_escape_timer; 252 u32 ba_escape_timer; 253 u32 ba_enable_beacon_abort; 254 int mask; 255 }; 256 #endif 257 258 enum iwl_mvm_smps_type_request { 259 IWL_MVM_SMPS_REQ_BT_COEX, 260 IWL_MVM_SMPS_REQ_TT, 261 IWL_MVM_SMPS_REQ_PROT, 262 NUM_IWL_MVM_SMPS_REQ, 263 }; 264 265 enum iwl_mvm_ref_type { 266 IWL_MVM_REF_UCODE_DOWN, 267 IWL_MVM_REF_SCAN, 268 IWL_MVM_REF_ROC, 269 IWL_MVM_REF_ROC_AUX, 270 IWL_MVM_REF_P2P_CLIENT, 271 IWL_MVM_REF_AP_IBSS, 272 IWL_MVM_REF_USER, 273 IWL_MVM_REF_TX, 274 IWL_MVM_REF_TX_AGG, 275 IWL_MVM_REF_ADD_IF, 276 IWL_MVM_REF_START_AP, 277 IWL_MVM_REF_BSS_CHANGED, 278 IWL_MVM_REF_PREPARE_TX, 279 IWL_MVM_REF_PROTECT_TDLS, 280 IWL_MVM_REF_CHECK_CTKILL, 281 IWL_MVM_REF_PRPH_READ, 282 IWL_MVM_REF_PRPH_WRITE, 283 IWL_MVM_REF_NMI, 284 IWL_MVM_REF_TM_CMD, 285 IWL_MVM_REF_EXIT_WORK, 286 IWL_MVM_REF_PROTECT_CSA, 287 IWL_MVM_REF_FW_DBG_COLLECT, 288 IWL_MVM_REF_INIT_UCODE, 289 IWL_MVM_REF_SENDING_CMD, 290 IWL_MVM_REF_RX, 291 292 /* update debugfs.c when changing this */ 293 294 IWL_MVM_REF_COUNT, 295 }; 296 297 enum iwl_bt_force_ant_mode { 298 BT_FORCE_ANT_DIS = 0, 299 BT_FORCE_ANT_AUTO, 300 BT_FORCE_ANT_BT, 301 BT_FORCE_ANT_WIFI, 302 303 BT_FORCE_ANT_MAX, 304 }; 305 306 /** 307 * struct iwl_mvm_low_latency_cause - low latency set causes 308 * @LOW_LATENCY_TRAFFIC: indicates low latency traffic was detected 309 * @LOW_LATENCY_DEBUGFS: low latency mode set from debugfs 310 * @LOW_LATENCY_VCMD: low latency mode set from vendor command 311 */ 312 enum iwl_mvm_low_latency_cause { 313 LOW_LATENCY_TRAFFIC = BIT(0), 314 LOW_LATENCY_DEBUGFS = BIT(1), 315 LOW_LATENCY_VCMD = BIT(2), 316 }; 317 318 /** 319 * struct iwl_mvm_vif_bf_data - beacon filtering related data 320 * @bf_enabled: indicates if beacon filtering is enabled 321 * @ba_enabled: indicated if beacon abort is enabled 322 * @ave_beacon_signal: average beacon signal 323 * @last_cqm_event: rssi of the last cqm event 324 * @bt_coex_min_thold: minimum threshold for BT coex 325 * @bt_coex_max_thold: maximum threshold for BT coex 326 * @last_bt_coex_event: rssi of the last BT coex event 327 */ 328 struct iwl_mvm_vif_bf_data { 329 bool bf_enabled; 330 bool ba_enabled; 331 int ave_beacon_signal; 332 int last_cqm_event; 333 int bt_coex_min_thold; 334 int bt_coex_max_thold; 335 int last_bt_coex_event; 336 }; 337 338 /** 339 * struct iwl_mvm_vif - data per Virtual Interface, it is a MAC context 340 * @id: between 0 and 3 341 * @color: to solve races upon MAC addition and removal 342 * @ap_sta_id: the sta_id of the AP - valid only if VIF type is STA 343 * @bssid: BSSID for this (client) interface 344 * @associated: indicates that we're currently associated, used only for 345 * managing the firmware state in iwl_mvm_bss_info_changed_station() 346 * @ap_assoc_sta_count: count of stations associated to us - valid only 347 * if VIF type is AP 348 * @uploaded: indicates the MAC context has been added to the device 349 * @ap_ibss_active: indicates that AP/IBSS is configured and that the interface 350 * should get quota etc. 351 * @pm_enabled - Indicate if MAC power management is allowed 352 * @monitor_active: indicates that monitor context is configured, and that the 353 * interface should get quota etc. 354 * @low_latency: indicates low latency is set, see 355 * enum &iwl_mvm_low_latency_cause for causes. 356 * @ps_disabled: indicates that this interface requires PS to be disabled 357 * @queue_params: QoS params for this MAC 358 * @bcast_sta: station used for broadcast packets. Used by the following 359 * vifs: P2P_DEVICE, GO and AP. 360 * @beacon_skb: the skb used to hold the AP/GO beacon template 361 * @smps_requests: the SMPS requests of different parts of the driver, 362 * combined on update to yield the overall request to mac80211. 363 * @beacon_stats: beacon statistics, containing the # of received beacons, 364 * # of received beacons accumulated over FW restart, and the current 365 * average signal of beacons retrieved from the firmware 366 * @csa_failed: CSA failed to schedule time event, report an error later 367 * @features: hw features active for this vif 368 */ 369 struct iwl_mvm_vif { 370 struct iwl_mvm *mvm; 371 u16 id; 372 u16 color; 373 u8 ap_sta_id; 374 375 u8 bssid[ETH_ALEN]; 376 bool associated; 377 u8 ap_assoc_sta_count; 378 379 u16 cab_queue; 380 381 bool uploaded; 382 bool ap_ibss_active; 383 bool pm_enabled; 384 bool monitor_active; 385 u8 low_latency; 386 bool ps_disabled; 387 struct iwl_mvm_vif_bf_data bf_data; 388 389 struct { 390 u32 num_beacons, accu_num_beacons; 391 u8 avg_signal; 392 } beacon_stats; 393 394 u32 ap_beacon_time; 395 396 enum iwl_tsf_id tsf_id; 397 398 /* 399 * QoS data from mac80211, need to store this here 400 * as mac80211 has a separate callback but we need 401 * to have the data for the MAC context 402 */ 403 struct ieee80211_tx_queue_params queue_params[IEEE80211_NUM_ACS]; 404 struct iwl_mvm_time_event_data time_event_data; 405 struct iwl_mvm_time_event_data hs_time_event_data; 406 407 struct iwl_mvm_int_sta bcast_sta; 408 struct iwl_mvm_int_sta mcast_sta; 409 410 /* 411 * Assigned while mac80211 has the interface in a channel context, 412 * or, for P2P Device, while it exists. 413 */ 414 struct iwl_mvm_phy_ctxt *phy_ctxt; 415 416 #ifdef CONFIG_PM 417 /* WoWLAN GTK rekey data */ 418 struct { 419 u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN]; 420 __le64 replay_ctr; 421 bool valid; 422 } rekey_data; 423 424 int tx_key_idx; 425 426 bool seqno_valid; 427 u16 seqno; 428 #endif 429 430 #if IS_ENABLED(CONFIG_IPV6) 431 /* IPv6 addresses for WoWLAN */ 432 struct in6_addr target_ipv6_addrs[IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_MAX]; 433 unsigned long tentative_addrs[BITS_TO_LONGS(IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_MAX)]; 434 int num_target_ipv6_addrs; 435 #endif 436 437 #ifdef CONFIG_IWLWIFI_DEBUGFS 438 struct dentry *dbgfs_dir; 439 struct dentry *dbgfs_slink; 440 struct iwl_dbgfs_pm dbgfs_pm; 441 struct iwl_dbgfs_bf dbgfs_bf; 442 struct iwl_mac_power_cmd mac_pwr_cmd; 443 int dbgfs_quota_min; 444 #endif 445 446 enum ieee80211_smps_mode smps_requests[NUM_IWL_MVM_SMPS_REQ]; 447 448 /* FW identified misbehaving AP */ 449 u8 uapsd_misbehaving_bssid[ETH_ALEN]; 450 451 struct delayed_work uapsd_nonagg_detected_wk; 452 453 /* Indicates that CSA countdown may be started */ 454 bool csa_countdown; 455 bool csa_failed; 456 u16 csa_target_freq; 457 458 /* Indicates that we are waiting for a beacon on a new channel */ 459 bool csa_bcn_pending; 460 461 /* TCP Checksum Offload */ 462 netdev_features_t features; 463 }; 464 465 static inline struct iwl_mvm_vif * 466 iwl_mvm_vif_from_mac80211(struct ieee80211_vif *vif) 467 { 468 if (!vif) 469 return NULL; 470 return (void *)vif->drv_priv; 471 } 472 473 extern const u8 tid_to_mac80211_ac[]; 474 475 #define IWL_MVM_SCAN_STOPPING_SHIFT 8 476 477 enum iwl_scan_status { 478 IWL_MVM_SCAN_REGULAR = BIT(0), 479 IWL_MVM_SCAN_SCHED = BIT(1), 480 IWL_MVM_SCAN_NETDETECT = BIT(2), 481 482 IWL_MVM_SCAN_STOPPING_REGULAR = BIT(8), 483 IWL_MVM_SCAN_STOPPING_SCHED = BIT(9), 484 IWL_MVM_SCAN_STOPPING_NETDETECT = BIT(10), 485 486 IWL_MVM_SCAN_REGULAR_MASK = IWL_MVM_SCAN_REGULAR | 487 IWL_MVM_SCAN_STOPPING_REGULAR, 488 IWL_MVM_SCAN_SCHED_MASK = IWL_MVM_SCAN_SCHED | 489 IWL_MVM_SCAN_STOPPING_SCHED, 490 IWL_MVM_SCAN_NETDETECT_MASK = IWL_MVM_SCAN_NETDETECT | 491 IWL_MVM_SCAN_STOPPING_NETDETECT, 492 493 IWL_MVM_SCAN_STOPPING_MASK = 0xff << IWL_MVM_SCAN_STOPPING_SHIFT, 494 IWL_MVM_SCAN_MASK = 0xff, 495 }; 496 497 enum iwl_mvm_scan_type { 498 IWL_SCAN_TYPE_NOT_SET, 499 IWL_SCAN_TYPE_UNASSOC, 500 IWL_SCAN_TYPE_WILD, 501 IWL_SCAN_TYPE_MILD, 502 IWL_SCAN_TYPE_FRAGMENTED, 503 }; 504 505 enum iwl_mvm_sched_scan_pass_all_states { 506 SCHED_SCAN_PASS_ALL_DISABLED, 507 SCHED_SCAN_PASS_ALL_ENABLED, 508 SCHED_SCAN_PASS_ALL_FOUND, 509 }; 510 511 /** 512 * struct iwl_mvm_tt_mgnt - Thermal Throttling Management structure 513 * @ct_kill_exit: worker to exit thermal kill 514 * @dynamic_smps: Is thermal throttling enabled dynamic_smps? 515 * @tx_backoff: The current thremal throttling tx backoff in uSec. 516 * @min_backoff: The minimal tx backoff due to power restrictions 517 * @params: Parameters to configure the thermal throttling algorithm. 518 * @throttle: Is thermal throttling is active? 519 */ 520 struct iwl_mvm_tt_mgmt { 521 struct delayed_work ct_kill_exit; 522 bool dynamic_smps; 523 u32 tx_backoff; 524 u32 min_backoff; 525 struct iwl_tt_params params; 526 bool throttle; 527 }; 528 529 #ifdef CONFIG_THERMAL 530 /** 531 *struct iwl_mvm_thermal_device - thermal zone related data 532 * @temp_trips: temperature thresholds for report 533 * @fw_trips_index: keep indexes to original array - temp_trips 534 * @tzone: thermal zone device data 535 */ 536 struct iwl_mvm_thermal_device { 537 s16 temp_trips[IWL_MAX_DTS_TRIPS]; 538 u8 fw_trips_index[IWL_MAX_DTS_TRIPS]; 539 struct thermal_zone_device *tzone; 540 }; 541 542 /* 543 * struct iwl_mvm_cooling_device 544 * @cur_state: current state 545 * @cdev: struct thermal cooling device 546 */ 547 struct iwl_mvm_cooling_device { 548 u32 cur_state; 549 struct thermal_cooling_device *cdev; 550 }; 551 #endif 552 553 #define IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES 8 554 555 struct iwl_mvm_frame_stats { 556 u32 legacy_frames; 557 u32 ht_frames; 558 u32 vht_frames; 559 u32 bw_20_frames; 560 u32 bw_40_frames; 561 u32 bw_80_frames; 562 u32 bw_160_frames; 563 u32 sgi_frames; 564 u32 ngi_frames; 565 u32 siso_frames; 566 u32 mimo2_frames; 567 u32 agg_frames; 568 u32 ampdu_count; 569 u32 success_frames; 570 u32 fail_frames; 571 u32 last_rates[IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES]; 572 int last_frame_idx; 573 }; 574 575 enum { 576 D0I3_DEFER_WAKEUP, 577 D0I3_PENDING_WAKEUP, 578 }; 579 580 #define IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE 0xff 581 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MIN -100 582 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MAX 200 583 584 enum iwl_mvm_tdls_cs_state { 585 IWL_MVM_TDLS_SW_IDLE = 0, 586 IWL_MVM_TDLS_SW_REQ_SENT, 587 IWL_MVM_TDLS_SW_RESP_RCVD, 588 IWL_MVM_TDLS_SW_REQ_RCVD, 589 IWL_MVM_TDLS_SW_ACTIVE, 590 }; 591 592 enum iwl_mvm_traffic_load { 593 IWL_MVM_TRAFFIC_LOW, 594 IWL_MVM_TRAFFIC_MEDIUM, 595 IWL_MVM_TRAFFIC_HIGH, 596 }; 597 598 DECLARE_EWMA(rate, 16, 16) 599 600 struct iwl_mvm_tcm_mac { 601 struct { 602 u32 pkts[IEEE80211_NUM_ACS]; 603 u32 airtime; 604 } tx; 605 struct { 606 u32 pkts[IEEE80211_NUM_ACS]; 607 u32 airtime; 608 u32 last_ampdu_ref; 609 } rx; 610 struct { 611 /* track AP's transfer in client mode */ 612 u64 rx_bytes; 613 struct ewma_rate rate; 614 bool detected; 615 } uapsd_nonagg_detect; 616 bool opened_rx_ba_sessions; 617 }; 618 619 struct iwl_mvm_tcm { 620 struct delayed_work work; 621 spinlock_t lock; /* used when time elapsed */ 622 unsigned long ts; /* timestamp when period ends */ 623 unsigned long ll_ts; 624 unsigned long uapsd_nonagg_ts; 625 bool paused; 626 struct iwl_mvm_tcm_mac data[NUM_MAC_INDEX_DRIVER]; 627 struct { 628 u32 elapsed; /* milliseconds for this TCM period */ 629 u32 airtime[NUM_MAC_INDEX_DRIVER]; 630 enum iwl_mvm_traffic_load load[NUM_MAC_INDEX_DRIVER]; 631 enum iwl_mvm_traffic_load band_load[NUM_NL80211_BANDS]; 632 enum iwl_mvm_traffic_load global_load; 633 bool low_latency[NUM_MAC_INDEX_DRIVER]; 634 bool change[NUM_MAC_INDEX_DRIVER]; 635 bool global_change; 636 } result; 637 }; 638 639 /** 640 * struct iwl_mvm_reorder_buffer - per ra/tid/queue reorder buffer 641 * @head_sn: reorder window head sn 642 * @num_stored: number of mpdus stored in the buffer 643 * @buf_size: the reorder buffer size as set by the last addba request 644 * @queue: queue of this reorder buffer 645 * @last_amsdu: track last ASMDU SN for duplication detection 646 * @last_sub_index: track ASMDU sub frame index for duplication detection 647 * @reorder_timer: timer for frames are in the reorder buffer. For AMSDU 648 * it is the time of last received sub-frame 649 * @removed: prevent timer re-arming 650 * @valid: reordering is valid for this queue 651 * @lock: protect reorder buffer internal state 652 * @mvm: mvm pointer, needed for frame timer context 653 */ 654 struct iwl_mvm_reorder_buffer { 655 u16 head_sn; 656 u16 num_stored; 657 u16 buf_size; 658 int queue; 659 u16 last_amsdu; 660 u8 last_sub_index; 661 struct timer_list reorder_timer; 662 bool removed; 663 bool valid; 664 spinlock_t lock; 665 struct iwl_mvm *mvm; 666 } ____cacheline_aligned_in_smp; 667 668 /** 669 * struct _iwl_mvm_reorder_buf_entry - reorder buffer entry per-queue/per-seqno 670 * @frames: list of skbs stored 671 * @reorder_time: time the packet was stored in the reorder buffer 672 */ 673 struct _iwl_mvm_reorder_buf_entry { 674 struct sk_buff_head frames; 675 unsigned long reorder_time; 676 }; 677 678 /* make this indirection to get the aligned thing */ 679 struct iwl_mvm_reorder_buf_entry { 680 struct _iwl_mvm_reorder_buf_entry e; 681 } 682 #ifndef __CHECKER__ 683 /* sparse doesn't like this construct: "bad integer constant expression" */ 684 __aligned(roundup_pow_of_two(sizeof(struct _iwl_mvm_reorder_buf_entry))) 685 #endif 686 ; 687 688 /** 689 * struct iwl_mvm_baid_data - BA session data 690 * @sta_id: station id 691 * @tid: tid of the session 692 * @baid baid of the session 693 * @timeout: the timeout set in the addba request 694 * @entries_per_queue: # of buffers per queue, this actually gets 695 * aligned up to avoid cache line sharing between queues 696 * @last_rx: last rx jiffies, updated only if timeout passed from last update 697 * @session_timer: timer to check if BA session expired, runs at 2 * timeout 698 * @mvm: mvm pointer, needed for timer context 699 * @reorder_buf: reorder buffer, allocated per queue 700 * @reorder_buf_data: data 701 */ 702 struct iwl_mvm_baid_data { 703 struct rcu_head rcu_head; 704 u8 sta_id; 705 u8 tid; 706 u8 baid; 707 u16 timeout; 708 u16 entries_per_queue; 709 unsigned long last_rx; 710 struct timer_list session_timer; 711 struct iwl_mvm_baid_data __rcu **rcu_ptr; 712 struct iwl_mvm *mvm; 713 struct iwl_mvm_reorder_buffer reorder_buf[IWL_MAX_RX_HW_QUEUES]; 714 struct iwl_mvm_reorder_buf_entry entries[]; 715 }; 716 717 static inline struct iwl_mvm_baid_data * 718 iwl_mvm_baid_data_from_reorder_buf(struct iwl_mvm_reorder_buffer *buf) 719 { 720 return (void *)((u8 *)buf - 721 offsetof(struct iwl_mvm_baid_data, reorder_buf) - 722 sizeof(*buf) * buf->queue); 723 } 724 725 /* 726 * enum iwl_mvm_queue_status - queue status 727 * @IWL_MVM_QUEUE_FREE: the queue is not allocated nor reserved 728 * Basically, this means that this queue can be used for any purpose 729 * @IWL_MVM_QUEUE_RESERVED: queue is reserved but not yet in use 730 * This is the state of a queue that has been dedicated for some RATID 731 * (agg'd or not), but that hasn't yet gone through the actual enablement 732 * of iwl_mvm_enable_txq(), and therefore no traffic can go through it yet. 733 * Note that in this state there is no requirement to already know what TID 734 * should be used with this queue, it is just marked as a queue that will 735 * be used, and shouldn't be allocated to anyone else. 736 * @IWL_MVM_QUEUE_READY: queue is ready to be used 737 * This is the state of a queue that has been fully configured (including 738 * SCD pointers, etc), has a specific RA/TID assigned to it, and can be 739 * used to send traffic. 740 * @IWL_MVM_QUEUE_SHARED: queue is shared, or in a process of becoming shared 741 * This is a state in which a single queue serves more than one TID, all of 742 * which are not aggregated. Note that the queue is only associated to one 743 * RA. 744 * @IWL_MVM_QUEUE_INACTIVE: queue is allocated but no traffic on it 745 * This is a state of a queue that has had traffic on it, but during the 746 * last %IWL_MVM_DQA_QUEUE_TIMEOUT time period there has been no traffic on 747 * it. In this state, when a new queue is needed to be allocated but no 748 * such free queue exists, an inactive queue might be freed and given to 749 * the new RA/TID. 750 * @IWL_MVM_QUEUE_RECONFIGURING: queue is being reconfigured 751 * This is the state of a queue that has had traffic pass through it, but 752 * needs to be reconfigured for some reason, e.g. the queue needs to 753 * become unshared and aggregations re-enabled on. 754 */ 755 enum iwl_mvm_queue_status { 756 IWL_MVM_QUEUE_FREE, 757 IWL_MVM_QUEUE_RESERVED, 758 IWL_MVM_QUEUE_READY, 759 IWL_MVM_QUEUE_SHARED, 760 IWL_MVM_QUEUE_INACTIVE, 761 IWL_MVM_QUEUE_RECONFIGURING, 762 }; 763 764 #define IWL_MVM_DQA_QUEUE_TIMEOUT (5 * HZ) 765 #define IWL_MVM_INVALID_QUEUE 0xFFFF 766 767 #define IWL_MVM_NUM_CIPHERS 10 768 769 struct iwl_mvm_sar_profile { 770 bool enabled; 771 u8 table[ACPI_SAR_TABLE_SIZE]; 772 }; 773 774 struct iwl_mvm_geo_profile { 775 u8 values[ACPI_GEO_TABLE_SIZE]; 776 }; 777 778 struct iwl_mvm { 779 /* for logger access */ 780 struct device *dev; 781 782 struct iwl_trans *trans; 783 const struct iwl_fw *fw; 784 const struct iwl_cfg *cfg; 785 struct iwl_phy_db *phy_db; 786 struct ieee80211_hw *hw; 787 788 /* for protecting access to iwl_mvm */ 789 struct mutex mutex; 790 struct list_head async_handlers_list; 791 spinlock_t async_handlers_lock; 792 struct work_struct async_handlers_wk; 793 794 struct work_struct roc_done_wk; 795 796 unsigned long init_status; 797 798 unsigned long status; 799 800 u32 queue_sync_cookie; 801 atomic_t queue_sync_counter; 802 /* 803 * for beacon filtering - 804 * currently only one interface can be supported 805 */ 806 struct iwl_mvm_vif *bf_allowed_vif; 807 808 bool hw_registered; 809 bool calibrating; 810 u32 error_event_table[2]; 811 u32 log_event_table; 812 u32 umac_error_event_table; 813 bool support_umac_log; 814 815 u32 ampdu_ref; 816 bool ampdu_toggle; 817 818 struct iwl_notif_wait_data notif_wait; 819 820 union { 821 struct mvm_statistics_rx_v3 rx_stats_v3; 822 struct mvm_statistics_rx rx_stats; 823 }; 824 825 struct { 826 u64 rx_time; 827 u64 tx_time; 828 u64 on_time_rf; 829 u64 on_time_scan; 830 } radio_stats, accu_radio_stats; 831 832 u16 hw_queue_to_mac80211[IWL_MAX_TVQM_QUEUES]; 833 834 struct { 835 u8 hw_queue_refcount; 836 u8 ra_sta_id; /* The RA this queue is mapped to, if exists */ 837 bool reserved; /* Is this the TXQ reserved for a STA */ 838 u8 mac80211_ac; /* The mac80211 AC this queue is mapped to */ 839 u8 txq_tid; /* The TID "owner" of this queue*/ 840 u16 tid_bitmap; /* Bitmap of the TIDs mapped to this queue */ 841 /* Timestamp for inactivation per TID of this queue */ 842 unsigned long last_frame_time[IWL_MAX_TID_COUNT + 1]; 843 enum iwl_mvm_queue_status status; 844 } queue_info[IWL_MAX_HW_QUEUES]; 845 spinlock_t queue_info_lock; /* For syncing queue mgmt operations */ 846 struct work_struct add_stream_wk; /* To add streams to queues */ 847 848 atomic_t mac80211_queue_stop_count[IEEE80211_MAX_QUEUES]; 849 850 const char *nvm_file_name; 851 struct iwl_nvm_data *nvm_data; 852 /* NVM sections */ 853 struct iwl_nvm_section nvm_sections[NVM_MAX_NUM_SECTIONS]; 854 855 struct iwl_fw_runtime fwrt; 856 857 /* EEPROM MAC addresses */ 858 struct mac_address addresses[IWL_MVM_MAX_ADDRESSES]; 859 860 /* data related to data path */ 861 struct iwl_rx_phy_info last_phy_info; 862 struct ieee80211_sta __rcu *fw_id_to_mac_id[IWL_MVM_STATION_COUNT]; 863 unsigned long sta_deferred_frames[BITS_TO_LONGS(IWL_MVM_STATION_COUNT)]; 864 u8 rx_ba_sessions; 865 866 /* configured by mac80211 */ 867 u32 rts_threshold; 868 869 /* Scan status, cmd (pre-allocated) and auxiliary station */ 870 unsigned int scan_status; 871 void *scan_cmd; 872 struct iwl_mcast_filter_cmd *mcast_filter_cmd; 873 /* For CDB this is low band scan type, for non-CDB - type. */ 874 enum iwl_mvm_scan_type scan_type; 875 enum iwl_mvm_scan_type hb_scan_type; 876 877 enum iwl_mvm_sched_scan_pass_all_states sched_scan_pass_all; 878 struct delayed_work scan_timeout_dwork; 879 880 /* max number of simultaneous scans the FW supports */ 881 unsigned int max_scans; 882 883 /* UMAC scan tracking */ 884 u32 scan_uid_status[IWL_MVM_MAX_UMAC_SCANS]; 885 886 /* start time of last scan in TSF of the mac that requested the scan */ 887 u64 scan_start; 888 889 /* the vif that requested the current scan */ 890 struct iwl_mvm_vif *scan_vif; 891 892 /* rx chain antennas set through debugfs for the scan command */ 893 u8 scan_rx_ant; 894 895 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING 896 /* broadcast filters to configure for each associated station */ 897 const struct iwl_fw_bcast_filter *bcast_filters; 898 #ifdef CONFIG_IWLWIFI_DEBUGFS 899 struct { 900 bool override; 901 struct iwl_bcast_filter_cmd cmd; 902 } dbgfs_bcast_filtering; 903 #endif 904 #endif 905 906 /* Internal station */ 907 struct iwl_mvm_int_sta aux_sta; 908 struct iwl_mvm_int_sta snif_sta; 909 910 bool last_ebs_successful; 911 912 u8 scan_last_antenna_idx; /* to toggle TX between antennas */ 913 u8 mgmt_last_antenna_idx; 914 915 /* last smart fifo state that was successfully sent to firmware */ 916 enum iwl_sf_state sf_state; 917 918 #ifdef CONFIG_IWLWIFI_DEBUGFS 919 struct dentry *debugfs_dir; 920 u32 dbgfs_sram_offset, dbgfs_sram_len; 921 u32 dbgfs_prph_reg_addr; 922 bool disable_power_off; 923 bool disable_power_off_d3; 924 925 bool scan_iter_notif_enabled; 926 927 struct debugfs_blob_wrapper nvm_hw_blob; 928 struct debugfs_blob_wrapper nvm_sw_blob; 929 struct debugfs_blob_wrapper nvm_calib_blob; 930 struct debugfs_blob_wrapper nvm_prod_blob; 931 struct debugfs_blob_wrapper nvm_phy_sku_blob; 932 933 struct iwl_mvm_frame_stats drv_rx_stats; 934 spinlock_t drv_stats_lock; 935 u16 dbgfs_rx_phyinfo; 936 #endif 937 938 struct iwl_mvm_phy_ctxt phy_ctxts[NUM_PHY_CTX]; 939 940 struct list_head time_event_list; 941 spinlock_t time_event_lock; 942 943 /* 944 * A bitmap indicating the index of the key in use. The firmware 945 * can hold 16 keys at most. Reflect this fact. 946 */ 947 unsigned long fw_key_table[BITS_TO_LONGS(STA_KEY_MAX_NUM)]; 948 u8 fw_key_deleted[STA_KEY_MAX_NUM]; 949 950 /* references taken by the driver and spinlock protecting them */ 951 spinlock_t refs_lock; 952 u8 refs[IWL_MVM_REF_COUNT]; 953 954 u8 vif_count; 955 956 /* -1 for always, 0 for never, >0 for that many times */ 957 s8 fw_restart; 958 959 #ifdef CONFIG_IWLWIFI_LEDS 960 struct led_classdev led; 961 #endif 962 963 struct ieee80211_vif *p2p_device_vif; 964 965 #ifdef CONFIG_PM 966 struct wiphy_wowlan_support wowlan; 967 int gtk_ivlen, gtk_icvlen, ptk_ivlen, ptk_icvlen; 968 969 /* sched scan settings for net detect */ 970 struct ieee80211_scan_ies nd_ies; 971 struct cfg80211_match_set *nd_match_sets; 972 int n_nd_match_sets; 973 struct ieee80211_channel **nd_channels; 974 int n_nd_channels; 975 bool net_detect; 976 #ifdef CONFIG_IWLWIFI_DEBUGFS 977 bool d3_wake_sysassert; 978 bool d3_test_active; 979 bool store_d3_resume_sram; 980 void *d3_resume_sram; 981 u32 d3_test_pme_ptr; 982 struct ieee80211_vif *keep_vif; 983 u32 last_netdetect_scans; /* no. of scans in the last net-detect wake */ 984 #endif 985 #endif 986 987 /* d0i3 */ 988 u8 d0i3_ap_sta_id; 989 bool d0i3_offloading; 990 struct work_struct d0i3_exit_work; 991 struct sk_buff_head d0i3_tx; 992 /* protect d0i3_suspend_flags */ 993 struct mutex d0i3_suspend_mutex; 994 unsigned long d0i3_suspend_flags; 995 /* sync d0i3_tx queue and IWL_MVM_STATUS_IN_D0I3 status flag */ 996 spinlock_t d0i3_tx_lock; 997 wait_queue_head_t d0i3_exit_waitq; 998 wait_queue_head_t rx_sync_waitq; 999 1000 /* BT-Coex */ 1001 struct iwl_bt_coex_profile_notif last_bt_notif; 1002 struct iwl_bt_coex_ci_cmd last_bt_ci_cmd; 1003 1004 u8 bt_tx_prio; 1005 enum iwl_bt_force_ant_mode bt_force_ant_mode; 1006 1007 /* Aux ROC */ 1008 struct list_head aux_roc_te_list; 1009 1010 /* Thermal Throttling and CTkill */ 1011 struct iwl_mvm_tt_mgmt thermal_throttle; 1012 #ifdef CONFIG_THERMAL 1013 struct iwl_mvm_thermal_device tz_device; 1014 struct iwl_mvm_cooling_device cooling_dev; 1015 #endif 1016 1017 s32 temperature; /* Celsius */ 1018 /* 1019 * Debug option to set the NIC temperature. This option makes the 1020 * driver think this is the actual NIC temperature, and ignore the 1021 * real temperature that is received from the fw 1022 */ 1023 bool temperature_test; /* Debug test temperature is enabled */ 1024 1025 unsigned long bt_coex_last_tcm_ts; 1026 struct iwl_mvm_tcm tcm; 1027 1028 u8 uapsd_noagg_bssid_write_idx; 1029 struct mac_address uapsd_noagg_bssids[IWL_MVM_UAPSD_NOAGG_BSSIDS_NUM] 1030 __aligned(2); 1031 1032 struct iwl_time_quota_cmd last_quota_cmd; 1033 1034 #ifdef CONFIG_NL80211_TESTMODE 1035 u32 noa_duration; 1036 struct ieee80211_vif *noa_vif; 1037 #endif 1038 1039 /* Tx queues */ 1040 u16 aux_queue; 1041 u16 snif_queue; 1042 u16 probe_queue; 1043 u16 p2p_dev_queue; 1044 1045 /* Indicate if device power save is allowed */ 1046 u8 ps_disabled; /* u8 instead of bool to ease debugfs_create_* usage */ 1047 unsigned int max_amsdu_len; /* used for debugfs only */ 1048 1049 struct ieee80211_vif __rcu *csa_vif; 1050 struct ieee80211_vif __rcu *csa_tx_blocked_vif; 1051 u8 csa_tx_block_bcn_timeout; 1052 1053 /* system time of last beacon (for AP/GO interface) */ 1054 u32 ap_last_beacon_gp2; 1055 1056 /* indicates that we transmitted the last beacon */ 1057 bool ibss_manager; 1058 1059 bool lar_regdom_set; 1060 enum iwl_mcc_source mcc_src; 1061 1062 /* TDLS channel switch data */ 1063 struct { 1064 struct delayed_work dwork; 1065 enum iwl_mvm_tdls_cs_state state; 1066 1067 /* 1068 * Current cs sta - might be different from periodic cs peer 1069 * station. Value is meaningless when the cs-state is idle. 1070 */ 1071 u8 cur_sta_id; 1072 1073 /* TDLS periodic channel-switch peer */ 1074 struct { 1075 u8 sta_id; 1076 u8 op_class; 1077 bool initiator; /* are we the link initiator */ 1078 struct cfg80211_chan_def chandef; 1079 struct sk_buff *skb; /* ch sw template */ 1080 u32 ch_sw_tm_ie; 1081 1082 /* timestamp of last ch-sw request sent (GP2 time) */ 1083 u32 sent_timestamp; 1084 } peer; 1085 } tdls_cs; 1086 1087 1088 u32 ciphers[IWL_MVM_NUM_CIPHERS]; 1089 struct ieee80211_cipher_scheme cs[IWL_UCODE_MAX_CS]; 1090 struct iwl_mvm_tof_data tof_data; 1091 1092 struct ieee80211_vif *nan_vif; 1093 #define IWL_MAX_BAID 32 1094 struct iwl_mvm_baid_data __rcu *baid_map[IWL_MAX_BAID]; 1095 1096 /* 1097 * Drop beacons from other APs in AP mode when there are no connected 1098 * clients. 1099 */ 1100 bool drop_bcn_ap_mode; 1101 1102 struct delayed_work cs_tx_unblock_dwork; 1103 1104 /* does a monitor vif exist (only one can exist hence bool) */ 1105 bool monitor_on; 1106 #ifdef CONFIG_ACPI 1107 struct iwl_mvm_sar_profile sar_profiles[ACPI_SAR_PROFILE_NUM]; 1108 struct iwl_mvm_geo_profile geo_profiles[ACPI_NUM_GEO_PROFILES]; 1109 #endif 1110 }; 1111 1112 /* Extract MVM priv from op_mode and _hw */ 1113 #define IWL_OP_MODE_GET_MVM(_iwl_op_mode) \ 1114 ((struct iwl_mvm *)(_iwl_op_mode)->op_mode_specific) 1115 1116 #define IWL_MAC80211_GET_MVM(_hw) \ 1117 IWL_OP_MODE_GET_MVM((struct iwl_op_mode *)((_hw)->priv)) 1118 1119 /** 1120 * enum iwl_mvm_status - MVM status bits 1121 * @IWL_MVM_STATUS_HW_RFKILL: HW RF-kill is asserted 1122 * @IWL_MVM_STATUS_HW_CTKILL: CT-kill is active 1123 * @IWL_MVM_STATUS_ROC_RUNNING: remain-on-channel is running 1124 * @IWL_MVM_STATUS_HW_RESTART_REQUESTED: HW restart was requested 1125 * @IWL_MVM_STATUS_IN_HW_RESTART: HW restart is active 1126 * @IWL_MVM_STATUS_IN_D0I3: NIC is in D0i3 1127 * @IWL_MVM_STATUS_ROC_AUX_RUNNING: AUX remain-on-channel is running 1128 * @IWL_MVM_STATUS_D3_RECONFIG: D3 reconfiguration is being done 1129 * @IWL_MVM_STATUS_FIRMWARE_RUNNING: firmware is running 1130 * @IWL_MVM_STATUS_NEED_FLUSH_P2P: need to flush P2P bcast STA 1131 */ 1132 enum iwl_mvm_status { 1133 IWL_MVM_STATUS_HW_RFKILL, 1134 IWL_MVM_STATUS_HW_CTKILL, 1135 IWL_MVM_STATUS_ROC_RUNNING, 1136 IWL_MVM_STATUS_HW_RESTART_REQUESTED, 1137 IWL_MVM_STATUS_IN_HW_RESTART, 1138 IWL_MVM_STATUS_IN_D0I3, 1139 IWL_MVM_STATUS_ROC_AUX_RUNNING, 1140 IWL_MVM_STATUS_D3_RECONFIG, 1141 IWL_MVM_STATUS_FIRMWARE_RUNNING, 1142 IWL_MVM_STATUS_NEED_FLUSH_P2P, 1143 }; 1144 1145 /* Keep track of completed init configuration */ 1146 enum iwl_mvm_init_status { 1147 IWL_MVM_INIT_STATUS_THERMAL_INIT_COMPLETE = BIT(0), 1148 IWL_MVM_INIT_STATUS_LEDS_INIT_COMPLETE = BIT(1), 1149 IWL_MVM_INIT_STATUS_REG_HW_INIT_COMPLETE = BIT(2), 1150 IWL_MVM_INIT_STATUS_TOF_INIT_COMPLETE = BIT(3), 1151 }; 1152 1153 static inline bool iwl_mvm_is_radio_killed(struct iwl_mvm *mvm) 1154 { 1155 return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status) || 1156 test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status); 1157 } 1158 1159 static inline bool iwl_mvm_is_radio_hw_killed(struct iwl_mvm *mvm) 1160 { 1161 return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status); 1162 } 1163 1164 static inline bool iwl_mvm_firmware_running(struct iwl_mvm *mvm) 1165 { 1166 return test_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); 1167 } 1168 1169 /* Must be called with rcu_read_lock() held and it can only be 1170 * released when mvmsta is not needed anymore. 1171 */ 1172 static inline struct iwl_mvm_sta * 1173 iwl_mvm_sta_from_staid_rcu(struct iwl_mvm *mvm, u8 sta_id) 1174 { 1175 struct ieee80211_sta *sta; 1176 1177 if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id)) 1178 return NULL; 1179 1180 sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]); 1181 1182 /* This can happen if the station has been removed right now */ 1183 if (IS_ERR_OR_NULL(sta)) 1184 return NULL; 1185 1186 return iwl_mvm_sta_from_mac80211(sta); 1187 } 1188 1189 static inline struct iwl_mvm_sta * 1190 iwl_mvm_sta_from_staid_protected(struct iwl_mvm *mvm, u8 sta_id) 1191 { 1192 struct ieee80211_sta *sta; 1193 1194 if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id)) 1195 return NULL; 1196 1197 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id], 1198 lockdep_is_held(&mvm->mutex)); 1199 1200 /* This can happen if the station has been removed right now */ 1201 if (IS_ERR_OR_NULL(sta)) 1202 return NULL; 1203 1204 return iwl_mvm_sta_from_mac80211(sta); 1205 } 1206 1207 static inline bool iwl_mvm_is_d0i3_supported(struct iwl_mvm *mvm) 1208 { 1209 return !iwlwifi_mod_params.d0i3_disable && 1210 fw_has_capa(&mvm->fw->ucode_capa, 1211 IWL_UCODE_TLV_CAPA_D0I3_SUPPORT); 1212 } 1213 1214 static inline bool iwl_mvm_is_adaptive_dwell_supported(struct iwl_mvm *mvm) 1215 { 1216 return fw_has_api(&mvm->fw->ucode_capa, 1217 IWL_UCODE_TLV_API_ADAPTIVE_DWELL); 1218 } 1219 1220 static inline bool iwl_mvm_is_adaptive_dwell_v2_supported(struct iwl_mvm *mvm) 1221 { 1222 return fw_has_api(&mvm->fw->ucode_capa, 1223 IWL_UCODE_TLV_API_ADAPTIVE_DWELL_V2); 1224 } 1225 1226 static inline bool iwl_mvm_is_oce_supported(struct iwl_mvm *mvm) 1227 { 1228 /* OCE should never be enabled for LMAC scan FWs */ 1229 return fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_OCE); 1230 } 1231 1232 static inline bool iwl_mvm_enter_d0i3_on_suspend(struct iwl_mvm *mvm) 1233 { 1234 /* For now we only use this mode to differentiate between 1235 * slave transports, which handle D0i3 entry in suspend by 1236 * themselves in conjunction with runtime PM D0i3. So, this 1237 * function is used to check whether we need to do anything 1238 * when entering suspend or if the transport layer has already 1239 * done it. 1240 */ 1241 return (mvm->trans->system_pm_mode == IWL_PLAT_PM_MODE_D0I3) && 1242 (mvm->trans->runtime_pm_mode != IWL_PLAT_PM_MODE_D0I3); 1243 } 1244 1245 static inline bool iwl_mvm_is_dqa_data_queue(struct iwl_mvm *mvm, u8 queue) 1246 { 1247 return (queue >= IWL_MVM_DQA_MIN_DATA_QUEUE) && 1248 (queue <= IWL_MVM_DQA_MAX_DATA_QUEUE); 1249 } 1250 1251 static inline bool iwl_mvm_is_dqa_mgmt_queue(struct iwl_mvm *mvm, u8 queue) 1252 { 1253 return (queue >= IWL_MVM_DQA_MIN_MGMT_QUEUE) && 1254 (queue <= IWL_MVM_DQA_MAX_MGMT_QUEUE); 1255 } 1256 1257 static inline bool iwl_mvm_is_lar_supported(struct iwl_mvm *mvm) 1258 { 1259 bool nvm_lar = mvm->nvm_data->lar_enabled; 1260 bool tlv_lar = fw_has_capa(&mvm->fw->ucode_capa, 1261 IWL_UCODE_TLV_CAPA_LAR_SUPPORT); 1262 1263 if (iwlwifi_mod_params.lar_disable) 1264 return false; 1265 1266 /* 1267 * Enable LAR only if it is supported by the FW (TLV) && 1268 * enabled in the NVM 1269 */ 1270 if (mvm->cfg->nvm_type == IWL_NVM_EXT) 1271 return nvm_lar && tlv_lar; 1272 else 1273 return tlv_lar; 1274 } 1275 1276 static inline bool iwl_mvm_is_wifi_mcc_supported(struct iwl_mvm *mvm) 1277 { 1278 return fw_has_api(&mvm->fw->ucode_capa, 1279 IWL_UCODE_TLV_API_WIFI_MCC_UPDATE) || 1280 fw_has_capa(&mvm->fw->ucode_capa, 1281 IWL_UCODE_TLV_CAPA_LAR_MULTI_MCC); 1282 } 1283 1284 static inline bool iwl_mvm_bt_is_rrc_supported(struct iwl_mvm *mvm) 1285 { 1286 return fw_has_capa(&mvm->fw->ucode_capa, 1287 IWL_UCODE_TLV_CAPA_BT_COEX_RRC) && 1288 IWL_MVM_BT_COEX_RRC; 1289 } 1290 1291 static inline bool iwl_mvm_is_csum_supported(struct iwl_mvm *mvm) 1292 { 1293 return fw_has_capa(&mvm->fw->ucode_capa, 1294 IWL_UCODE_TLV_CAPA_CSUM_SUPPORT) && 1295 !IWL_MVM_HW_CSUM_DISABLE; 1296 } 1297 1298 static inline bool iwl_mvm_is_mplut_supported(struct iwl_mvm *mvm) 1299 { 1300 return fw_has_capa(&mvm->fw->ucode_capa, 1301 IWL_UCODE_TLV_CAPA_BT_MPLUT_SUPPORT) && 1302 IWL_MVM_BT_COEX_MPLUT; 1303 } 1304 1305 static inline 1306 bool iwl_mvm_is_p2p_scm_uapsd_supported(struct iwl_mvm *mvm) 1307 { 1308 return fw_has_capa(&mvm->fw->ucode_capa, 1309 IWL_UCODE_TLV_CAPA_P2P_SCM_UAPSD) && 1310 !(iwlwifi_mod_params.uapsd_disable & 1311 IWL_DISABLE_UAPSD_P2P_CLIENT); 1312 } 1313 1314 static inline bool iwl_mvm_has_new_rx_api(struct iwl_mvm *mvm) 1315 { 1316 return fw_has_capa(&mvm->fw->ucode_capa, 1317 IWL_UCODE_TLV_CAPA_MULTI_QUEUE_RX_SUPPORT); 1318 } 1319 1320 static inline bool iwl_mvm_has_new_tx_api(struct iwl_mvm *mvm) 1321 { 1322 /* TODO - replace with TLV once defined */ 1323 return mvm->trans->cfg->use_tfh; 1324 } 1325 1326 static inline bool iwl_mvm_has_unified_ucode(struct iwl_mvm *mvm) 1327 { 1328 /* TODO - better define this */ 1329 return mvm->trans->cfg->device_family >= IWL_DEVICE_FAMILY_22000; 1330 } 1331 1332 static inline bool iwl_mvm_is_cdb_supported(struct iwl_mvm *mvm) 1333 { 1334 /* 1335 * TODO: 1336 * The issue of how to determine CDB APIs and usage is still not fully 1337 * defined. 1338 * There is a compilation for CDB and non-CDB FW, but there may 1339 * be also runtime check. 1340 * For now there is a TLV for checking compilation mode, but a 1341 * runtime check will also have to be here - once defined. 1342 */ 1343 return fw_has_capa(&mvm->fw->ucode_capa, 1344 IWL_UCODE_TLV_CAPA_CDB_SUPPORT); 1345 } 1346 1347 static inline bool iwl_mvm_cdb_scan_api(struct iwl_mvm *mvm) 1348 { 1349 /* 1350 * TODO: should this be the same as iwl_mvm_is_cdb_supported()? 1351 * but then there's a little bit of code in scan that won't make 1352 * any sense... 1353 */ 1354 return mvm->trans->cfg->device_family >= IWL_DEVICE_FAMILY_22000; 1355 } 1356 1357 static inline bool iwl_mvm_has_new_rx_stats_api(struct iwl_mvm *mvm) 1358 { 1359 return fw_has_api(&mvm->fw->ucode_capa, 1360 IWL_UCODE_TLV_API_NEW_RX_STATS); 1361 } 1362 1363 static inline bool iwl_mvm_has_quota_low_latency(struct iwl_mvm *mvm) 1364 { 1365 return fw_has_api(&mvm->fw->ucode_capa, 1366 IWL_UCODE_TLV_API_QUOTA_LOW_LATENCY); 1367 } 1368 1369 static inline bool iwl_mvm_has_tlc_offload(const struct iwl_mvm *mvm) 1370 { 1371 return fw_has_capa(&mvm->fw->ucode_capa, 1372 IWL_UCODE_TLV_CAPA_TLC_OFFLOAD); 1373 } 1374 1375 static inline struct agg_tx_status * 1376 iwl_mvm_get_agg_status(struct iwl_mvm *mvm, void *tx_resp) 1377 { 1378 if (iwl_mvm_has_new_tx_api(mvm)) 1379 return &((struct iwl_mvm_tx_resp *)tx_resp)->status; 1380 else 1381 return ((struct iwl_mvm_tx_resp_v3 *)tx_resp)->status; 1382 } 1383 1384 static inline bool iwl_mvm_is_tt_in_fw(struct iwl_mvm *mvm) 1385 { 1386 #ifdef CONFIG_THERMAL 1387 /* these two TLV are redundant since the responsibility to CT-kill by 1388 * FW happens only after we send at least one command of 1389 * temperature THs report. 1390 */ 1391 return fw_has_capa(&mvm->fw->ucode_capa, 1392 IWL_UCODE_TLV_CAPA_CT_KILL_BY_FW) && 1393 fw_has_capa(&mvm->fw->ucode_capa, 1394 IWL_UCODE_TLV_CAPA_TEMP_THS_REPORT_SUPPORT); 1395 #else /* CONFIG_THERMAL */ 1396 return false; 1397 #endif /* CONFIG_THERMAL */ 1398 } 1399 1400 static inline bool iwl_mvm_is_ctdp_supported(struct iwl_mvm *mvm) 1401 { 1402 return fw_has_capa(&mvm->fw->ucode_capa, 1403 IWL_UCODE_TLV_CAPA_CTDP_SUPPORT); 1404 } 1405 1406 extern const u8 iwl_mvm_ac_to_tx_fifo[]; 1407 extern const u8 iwl_mvm_ac_to_gen2_tx_fifo[]; 1408 1409 static inline u8 iwl_mvm_mac_ac_to_tx_fifo(struct iwl_mvm *mvm, 1410 enum ieee80211_ac_numbers ac) 1411 { 1412 return iwl_mvm_has_new_tx_api(mvm) ? 1413 iwl_mvm_ac_to_gen2_tx_fifo[ac] : iwl_mvm_ac_to_tx_fifo[ac]; 1414 } 1415 1416 struct iwl_rate_info { 1417 u8 plcp; /* uCode API: IWL_RATE_6M_PLCP, etc. */ 1418 u8 plcp_siso; /* uCode API: IWL_RATE_SISO_6M_PLCP, etc. */ 1419 u8 plcp_mimo2; /* uCode API: IWL_RATE_MIMO2_6M_PLCP, etc. */ 1420 u8 plcp_mimo3; /* uCode API: IWL_RATE_MIMO3_6M_PLCP, etc. */ 1421 u8 ieee; /* MAC header: IWL_RATE_6M_IEEE, etc. */ 1422 }; 1423 1424 void __iwl_mvm_mac_stop(struct iwl_mvm *mvm); 1425 int __iwl_mvm_mac_start(struct iwl_mvm *mvm); 1426 1427 /****************** 1428 * MVM Methods 1429 ******************/ 1430 /* uCode */ 1431 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm); 1432 1433 /* Utils */ 1434 int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags, 1435 enum nl80211_band band); 1436 void iwl_mvm_hwrate_to_tx_rate(u32 rate_n_flags, 1437 enum nl80211_band band, 1438 struct ieee80211_tx_rate *r); 1439 u8 iwl_mvm_mac80211_idx_to_hwrate(int rate_idx); 1440 void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm); 1441 u8 first_antenna(u8 mask); 1442 u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx); 1443 void iwl_mvm_get_sync_time(struct iwl_mvm *mvm, u32 *gp2, u64 *boottime); 1444 1445 /* Tx / Host Commands */ 1446 int __must_check iwl_mvm_send_cmd(struct iwl_mvm *mvm, 1447 struct iwl_host_cmd *cmd); 1448 int __must_check iwl_mvm_send_cmd_pdu(struct iwl_mvm *mvm, u32 id, 1449 u32 flags, u16 len, const void *data); 1450 int __must_check iwl_mvm_send_cmd_status(struct iwl_mvm *mvm, 1451 struct iwl_host_cmd *cmd, 1452 u32 *status); 1453 int __must_check iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u32 id, 1454 u16 len, const void *data, 1455 u32 *status); 1456 int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb, 1457 struct ieee80211_sta *sta); 1458 int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb); 1459 void iwl_mvm_set_tx_cmd(struct iwl_mvm *mvm, struct sk_buff *skb, 1460 struct iwl_tx_cmd *tx_cmd, 1461 struct ieee80211_tx_info *info, u8 sta_id); 1462 void iwl_mvm_set_tx_cmd_rate(struct iwl_mvm *mvm, struct iwl_tx_cmd *tx_cmd, 1463 struct ieee80211_tx_info *info, 1464 struct ieee80211_sta *sta, __le16 fc); 1465 #ifdef CONFIG_IWLWIFI_DEBUG 1466 const char *iwl_mvm_get_tx_fail_reason(u32 status); 1467 #else 1468 static inline const char *iwl_mvm_get_tx_fail_reason(u32 status) { return ""; } 1469 #endif 1470 int iwl_mvm_flush_tx_path(struct iwl_mvm *mvm, u32 tfd_msk, u32 flags); 1471 int iwl_mvm_flush_sta(struct iwl_mvm *mvm, void *sta, bool internal, u32 flags); 1472 int iwl_mvm_flush_sta_tids(struct iwl_mvm *mvm, u32 sta_id, 1473 u16 tids, u32 flags); 1474 1475 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm); 1476 1477 static inline void iwl_mvm_set_tx_cmd_ccmp(struct ieee80211_tx_info *info, 1478 struct iwl_tx_cmd *tx_cmd) 1479 { 1480 struct ieee80211_key_conf *keyconf = info->control.hw_key; 1481 1482 tx_cmd->sec_ctl = TX_CMD_SEC_CCM; 1483 memcpy(tx_cmd->key, keyconf->key, keyconf->keylen); 1484 } 1485 1486 static inline void iwl_mvm_wait_for_async_handlers(struct iwl_mvm *mvm) 1487 { 1488 flush_work(&mvm->async_handlers_wk); 1489 } 1490 1491 /* Statistics */ 1492 void iwl_mvm_handle_rx_statistics(struct iwl_mvm *mvm, 1493 struct iwl_rx_packet *pkt); 1494 void iwl_mvm_rx_statistics(struct iwl_mvm *mvm, 1495 struct iwl_rx_cmd_buffer *rxb); 1496 int iwl_mvm_request_statistics(struct iwl_mvm *mvm, bool clear); 1497 void iwl_mvm_accu_radio_stats(struct iwl_mvm *mvm); 1498 1499 /* NVM */ 1500 int iwl_nvm_init(struct iwl_mvm *mvm); 1501 int iwl_mvm_load_nvm_to_nic(struct iwl_mvm *mvm); 1502 1503 static inline u8 iwl_mvm_get_valid_tx_ant(struct iwl_mvm *mvm) 1504 { 1505 return mvm->nvm_data && mvm->nvm_data->valid_tx_ant ? 1506 mvm->fw->valid_tx_ant & mvm->nvm_data->valid_tx_ant : 1507 mvm->fw->valid_tx_ant; 1508 } 1509 1510 static inline u8 iwl_mvm_get_valid_rx_ant(struct iwl_mvm *mvm) 1511 { 1512 return mvm->nvm_data && mvm->nvm_data->valid_rx_ant ? 1513 mvm->fw->valid_rx_ant & mvm->nvm_data->valid_rx_ant : 1514 mvm->fw->valid_rx_ant; 1515 } 1516 1517 static inline u32 iwl_mvm_get_phy_config(struct iwl_mvm *mvm) 1518 { 1519 u32 phy_config = ~(FW_PHY_CFG_TX_CHAIN | 1520 FW_PHY_CFG_RX_CHAIN); 1521 u32 valid_rx_ant = iwl_mvm_get_valid_rx_ant(mvm); 1522 u32 valid_tx_ant = iwl_mvm_get_valid_tx_ant(mvm); 1523 1524 phy_config |= valid_tx_ant << FW_PHY_CFG_TX_CHAIN_POS | 1525 valid_rx_ant << FW_PHY_CFG_RX_CHAIN_POS; 1526 1527 return mvm->fw->phy_config & phy_config; 1528 } 1529 1530 int iwl_mvm_up(struct iwl_mvm *mvm); 1531 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm); 1532 1533 int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm); 1534 bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm, 1535 struct iwl_bcast_filter_cmd *cmd); 1536 1537 /* 1538 * FW notifications / CMD responses handlers 1539 * Convention: iwl_mvm_rx_<NAME OF THE CMD> 1540 */ 1541 void iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 1542 void iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct napi_struct *napi, 1543 struct iwl_rx_cmd_buffer *rxb); 1544 void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi, 1545 struct iwl_rx_cmd_buffer *rxb, int queue); 1546 void iwl_mvm_rx_frame_release(struct iwl_mvm *mvm, struct napi_struct *napi, 1547 struct iwl_rx_cmd_buffer *rxb, int queue); 1548 int iwl_mvm_notify_rx_queue(struct iwl_mvm *mvm, u32 rxq_mask, 1549 const u8 *data, u32 count); 1550 void iwl_mvm_rx_queue_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, 1551 int queue); 1552 void iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 1553 void iwl_mvm_mfu_assert_dump_notif(struct iwl_mvm *mvm, 1554 struct iwl_rx_cmd_buffer *rxb); 1555 void iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 1556 void iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm, 1557 struct iwl_rx_cmd_buffer *rxb); 1558 void iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 1559 void iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm, 1560 struct iwl_rx_cmd_buffer *rxb); 1561 void iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm, 1562 struct iwl_rx_cmd_buffer *rxb); 1563 void iwl_mvm_rx_shared_mem_cfg_notif(struct iwl_mvm *mvm, 1564 struct iwl_rx_cmd_buffer *rxb); 1565 1566 /* MVM PHY */ 1567 int iwl_mvm_phy_ctxt_add(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt, 1568 struct cfg80211_chan_def *chandef, 1569 u8 chains_static, u8 chains_dynamic); 1570 int iwl_mvm_phy_ctxt_changed(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt, 1571 struct cfg80211_chan_def *chandef, 1572 u8 chains_static, u8 chains_dynamic); 1573 void iwl_mvm_phy_ctxt_ref(struct iwl_mvm *mvm, 1574 struct iwl_mvm_phy_ctxt *ctxt); 1575 void iwl_mvm_phy_ctxt_unref(struct iwl_mvm *mvm, 1576 struct iwl_mvm_phy_ctxt *ctxt); 1577 int iwl_mvm_phy_ctx_count(struct iwl_mvm *mvm); 1578 u8 iwl_mvm_get_channel_width(struct cfg80211_chan_def *chandef); 1579 u8 iwl_mvm_get_ctrl_pos(struct cfg80211_chan_def *chandef); 1580 1581 /* MAC (virtual interface) programming */ 1582 int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif); 1583 int iwl_mvm_mac_ctxt_add(struct iwl_mvm *mvm, struct ieee80211_vif *vif); 1584 int iwl_mvm_mac_ctxt_changed(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1585 bool force_assoc_off, const u8 *bssid_override); 1586 int iwl_mvm_mac_ctxt_remove(struct iwl_mvm *mvm, struct ieee80211_vif *vif); 1587 u32 iwl_mvm_mac_get_queues_mask(struct ieee80211_vif *vif); 1588 int iwl_mvm_mac_ctxt_beacon_changed(struct iwl_mvm *mvm, 1589 struct ieee80211_vif *vif); 1590 void iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm, 1591 struct iwl_rx_cmd_buffer *rxb); 1592 void iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm, 1593 struct iwl_rx_cmd_buffer *rxb); 1594 void iwl_mvm_rx_stored_beacon_notif(struct iwl_mvm *mvm, 1595 struct iwl_rx_cmd_buffer *rxb); 1596 void iwl_mvm_mu_mimo_grp_notif(struct iwl_mvm *mvm, 1597 struct iwl_rx_cmd_buffer *rxb); 1598 void iwl_mvm_sta_pm_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 1599 void iwl_mvm_window_status_notif(struct iwl_mvm *mvm, 1600 struct iwl_rx_cmd_buffer *rxb); 1601 void iwl_mvm_mac_ctxt_recalc_tsf_id(struct iwl_mvm *mvm, 1602 struct ieee80211_vif *vif); 1603 unsigned long iwl_mvm_get_used_hw_queues(struct iwl_mvm *mvm, 1604 struct ieee80211_vif *exclude_vif); 1605 void iwl_mvm_channel_switch_noa_notif(struct iwl_mvm *mvm, 1606 struct iwl_rx_cmd_buffer *rxb); 1607 /* Bindings */ 1608 int iwl_mvm_binding_add_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif); 1609 int iwl_mvm_binding_remove_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif); 1610 1611 /* Quota management */ 1612 static inline size_t iwl_mvm_quota_cmd_size(struct iwl_mvm *mvm) 1613 { 1614 return iwl_mvm_has_quota_low_latency(mvm) ? 1615 sizeof(struct iwl_time_quota_cmd) : 1616 sizeof(struct iwl_time_quota_cmd_v1); 1617 } 1618 1619 static inline struct iwl_time_quota_data 1620 *iwl_mvm_quota_cmd_get_quota(struct iwl_mvm *mvm, 1621 struct iwl_time_quota_cmd *cmd, 1622 int i) 1623 { 1624 struct iwl_time_quota_data_v1 *quotas; 1625 1626 if (iwl_mvm_has_quota_low_latency(mvm)) 1627 return &cmd->quotas[i]; 1628 1629 quotas = (struct iwl_time_quota_data_v1 *)cmd->quotas; 1630 return (struct iwl_time_quota_data *)"as[i]; 1631 } 1632 1633 int iwl_mvm_update_quotas(struct iwl_mvm *mvm, bool force_upload, 1634 struct ieee80211_vif *disabled_vif); 1635 1636 /* Scanning */ 1637 int iwl_mvm_reg_scan_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1638 struct cfg80211_scan_request *req, 1639 struct ieee80211_scan_ies *ies); 1640 int iwl_mvm_scan_size(struct iwl_mvm *mvm); 1641 int iwl_mvm_scan_stop(struct iwl_mvm *mvm, int type, bool notify); 1642 int iwl_mvm_max_scan_ie_len(struct iwl_mvm *mvm); 1643 void iwl_mvm_report_scan_aborted(struct iwl_mvm *mvm); 1644 void iwl_mvm_scan_timeout_wk(struct work_struct *work); 1645 1646 /* Scheduled scan */ 1647 void iwl_mvm_rx_lmac_scan_complete_notif(struct iwl_mvm *mvm, 1648 struct iwl_rx_cmd_buffer *rxb); 1649 void iwl_mvm_rx_lmac_scan_iter_complete_notif(struct iwl_mvm *mvm, 1650 struct iwl_rx_cmd_buffer *rxb); 1651 int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm, 1652 struct ieee80211_vif *vif, 1653 struct cfg80211_sched_scan_request *req, 1654 struct ieee80211_scan_ies *ies, 1655 int type); 1656 void iwl_mvm_rx_scan_match_found(struct iwl_mvm *mvm, 1657 struct iwl_rx_cmd_buffer *rxb); 1658 1659 /* UMAC scan */ 1660 int iwl_mvm_config_scan(struct iwl_mvm *mvm); 1661 void iwl_mvm_rx_umac_scan_complete_notif(struct iwl_mvm *mvm, 1662 struct iwl_rx_cmd_buffer *rxb); 1663 void iwl_mvm_rx_umac_scan_iter_complete_notif(struct iwl_mvm *mvm, 1664 struct iwl_rx_cmd_buffer *rxb); 1665 1666 /* MVM debugfs */ 1667 #ifdef CONFIG_IWLWIFI_DEBUGFS 1668 int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir); 1669 void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif); 1670 void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif); 1671 #else 1672 static inline int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, 1673 struct dentry *dbgfs_dir) 1674 { 1675 return 0; 1676 } 1677 static inline void 1678 iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif) 1679 { 1680 } 1681 static inline void 1682 iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif) 1683 { 1684 } 1685 #endif /* CONFIG_IWLWIFI_DEBUGFS */ 1686 1687 /* rate scaling */ 1688 int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool init); 1689 void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm, u32 rate, bool agg); 1690 int rs_pretty_print_rate(char *buf, int bufsz, const u32 rate); 1691 void rs_update_last_rssi(struct iwl_mvm *mvm, 1692 struct iwl_mvm_sta *mvmsta, 1693 struct ieee80211_rx_status *rx_status); 1694 1695 /* power management */ 1696 int iwl_mvm_power_update_device(struct iwl_mvm *mvm); 1697 int iwl_mvm_power_update_mac(struct iwl_mvm *mvm); 1698 int iwl_mvm_power_update_ps(struct iwl_mvm *mvm); 1699 int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1700 char *buf, int bufsz); 1701 1702 void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif); 1703 void iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm, 1704 struct iwl_rx_cmd_buffer *rxb); 1705 1706 #ifdef CONFIG_IWLWIFI_LEDS 1707 int iwl_mvm_leds_init(struct iwl_mvm *mvm); 1708 void iwl_mvm_leds_exit(struct iwl_mvm *mvm); 1709 void iwl_mvm_leds_sync(struct iwl_mvm *mvm); 1710 #else 1711 static inline int iwl_mvm_leds_init(struct iwl_mvm *mvm) 1712 { 1713 return 0; 1714 } 1715 static inline void iwl_mvm_leds_exit(struct iwl_mvm *mvm) 1716 { 1717 } 1718 static inline void iwl_mvm_leds_sync(struct iwl_mvm *mvm) 1719 { 1720 } 1721 #endif 1722 1723 /* D3 (WoWLAN, NetDetect) */ 1724 int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan); 1725 int iwl_mvm_resume(struct ieee80211_hw *hw); 1726 void iwl_mvm_set_wakeup(struct ieee80211_hw *hw, bool enabled); 1727 void iwl_mvm_set_rekey_data(struct ieee80211_hw *hw, 1728 struct ieee80211_vif *vif, 1729 struct cfg80211_gtk_rekey_data *data); 1730 void iwl_mvm_ipv6_addr_change(struct ieee80211_hw *hw, 1731 struct ieee80211_vif *vif, 1732 struct inet6_dev *idev); 1733 void iwl_mvm_set_default_unicast_key(struct ieee80211_hw *hw, 1734 struct ieee80211_vif *vif, int idx); 1735 extern const struct file_operations iwl_dbgfs_d3_test_ops; 1736 #ifdef CONFIG_PM 1737 int iwl_mvm_wowlan_config_key_params(struct iwl_mvm *mvm, 1738 struct ieee80211_vif *vif, 1739 bool host_awake, 1740 u32 cmd_flags); 1741 void iwl_mvm_d0i3_update_keys(struct iwl_mvm *mvm, 1742 struct ieee80211_vif *vif, 1743 struct iwl_wowlan_status *status); 1744 void iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm, 1745 struct ieee80211_vif *vif); 1746 #else 1747 static inline 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 { 1752 return 0; 1753 } 1754 1755 static inline void iwl_mvm_d0i3_update_keys(struct iwl_mvm *mvm, 1756 struct ieee80211_vif *vif, 1757 struct iwl_wowlan_status *status) 1758 { 1759 } 1760 1761 static inline void 1762 iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm, struct ieee80211_vif *vif) 1763 { 1764 } 1765 #endif 1766 void iwl_mvm_set_wowlan_qos_seq(struct iwl_mvm_sta *mvm_ap_sta, 1767 struct iwl_wowlan_config_cmd *cmd); 1768 int iwl_mvm_send_proto_offload(struct iwl_mvm *mvm, 1769 struct ieee80211_vif *vif, 1770 bool disable_offloading, 1771 bool offload_ns, 1772 u32 cmd_flags); 1773 1774 /* D0i3 */ 1775 void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type); 1776 void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type); 1777 int iwl_mvm_ref_sync(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type); 1778 bool iwl_mvm_ref_taken(struct iwl_mvm *mvm); 1779 void iwl_mvm_d0i3_enable_tx(struct iwl_mvm *mvm, __le16 *qos_seq); 1780 int iwl_mvm_enter_d0i3(struct iwl_op_mode *op_mode); 1781 int iwl_mvm_exit_d0i3(struct iwl_op_mode *op_mode); 1782 int _iwl_mvm_exit_d0i3(struct iwl_mvm *mvm); 1783 1784 /* BT Coex */ 1785 int iwl_mvm_send_bt_init_conf(struct iwl_mvm *mvm); 1786 void iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm, 1787 struct iwl_rx_cmd_buffer *rxb); 1788 void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1789 enum ieee80211_rssi_event_data); 1790 void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm); 1791 u16 iwl_mvm_coex_agg_time_limit(struct iwl_mvm *mvm, 1792 struct ieee80211_sta *sta); 1793 bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm, 1794 struct ieee80211_sta *sta); 1795 bool iwl_mvm_bt_coex_is_ant_avail(struct iwl_mvm *mvm, u8 ant); 1796 bool iwl_mvm_bt_coex_is_shared_ant_avail(struct iwl_mvm *mvm); 1797 bool iwl_mvm_bt_coex_is_tpc_allowed(struct iwl_mvm *mvm, 1798 enum nl80211_band band); 1799 u8 iwl_mvm_bt_coex_tx_prio(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr, 1800 struct ieee80211_tx_info *info, u8 ac); 1801 1802 /* beacon filtering */ 1803 #ifdef CONFIG_IWLWIFI_DEBUGFS 1804 void 1805 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif, 1806 struct iwl_beacon_filter_cmd *cmd); 1807 #else 1808 static inline void 1809 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif, 1810 struct iwl_beacon_filter_cmd *cmd) 1811 {} 1812 #endif 1813 int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm, 1814 struct ieee80211_vif *vif, 1815 bool enable, u32 flags); 1816 int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm, 1817 struct ieee80211_vif *vif, 1818 u32 flags); 1819 int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm, 1820 struct ieee80211_vif *vif, 1821 u32 flags); 1822 /* SMPS */ 1823 void iwl_mvm_update_smps(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1824 enum iwl_mvm_smps_type_request req_type, 1825 enum ieee80211_smps_mode smps_request); 1826 bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm *mvm); 1827 1828 /* Low latency */ 1829 int iwl_mvm_update_low_latency(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1830 bool low_latency, 1831 enum iwl_mvm_low_latency_cause cause); 1832 /* get SystemLowLatencyMode - only needed for beacon threshold? */ 1833 bool iwl_mvm_low_latency(struct iwl_mvm *mvm); 1834 bool iwl_mvm_low_latency_band(struct iwl_mvm *mvm, enum nl80211_band band); 1835 1836 /* get VMACLowLatencyMode */ 1837 static inline bool iwl_mvm_vif_low_latency(struct iwl_mvm_vif *mvmvif) 1838 { 1839 /* 1840 * should this consider associated/active/... state? 1841 * 1842 * Normally low-latency should only be active on interfaces 1843 * that are active, but at least with debugfs it can also be 1844 * enabled on interfaces that aren't active. However, when 1845 * interface aren't active then they aren't added into the 1846 * binding, so this has no real impact. For now, just return 1847 * the current desired low-latency state. 1848 */ 1849 return mvmvif->low_latency; 1850 } 1851 1852 static inline 1853 void iwl_mvm_vif_set_low_latency(struct iwl_mvm_vif *mvmvif, bool set, 1854 enum iwl_mvm_low_latency_cause cause) 1855 { 1856 if (set) 1857 mvmvif->low_latency |= cause; 1858 else 1859 mvmvif->low_latency &= ~cause; 1860 } 1861 1862 /* hw scheduler queue config */ 1863 bool iwl_mvm_enable_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue, 1864 u16 ssn, const struct iwl_trans_txq_scd_cfg *cfg, 1865 unsigned int wdg_timeout); 1866 int iwl_mvm_tvqm_enable_txq(struct iwl_mvm *mvm, int mac80211_queue, 1867 u8 sta_id, u8 tid, unsigned int timeout); 1868 1869 int iwl_mvm_disable_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue, 1870 u8 tid, u8 flags); 1871 int iwl_mvm_find_free_queue(struct iwl_mvm *mvm, u8 sta_id, u8 minq, u8 maxq); 1872 1873 /* Return a bitmask with all the hw supported queues, except for the 1874 * command queue, which can't be flushed. 1875 */ 1876 static inline u32 iwl_mvm_flushable_queues(struct iwl_mvm *mvm) 1877 { 1878 return ((BIT(mvm->cfg->base_params->num_of_queues) - 1) & 1879 ~BIT(IWL_MVM_DQA_CMD_QUEUE)); 1880 } 1881 1882 static inline void iwl_mvm_stop_device(struct iwl_mvm *mvm) 1883 { 1884 iwl_fw_cancel_timestamp(&mvm->fwrt); 1885 iwl_free_fw_paging(&mvm->fwrt); 1886 clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); 1887 iwl_fw_dump_conf_clear(&mvm->fwrt); 1888 iwl_trans_stop_device(mvm->trans); 1889 } 1890 1891 /* Stop/start all mac queues in a given bitmap */ 1892 void iwl_mvm_start_mac_queues(struct iwl_mvm *mvm, unsigned long mq); 1893 void iwl_mvm_stop_mac_queues(struct iwl_mvm *mvm, unsigned long mq); 1894 1895 /* Re-configure the SCD for a queue that has already been configured */ 1896 int iwl_mvm_reconfig_scd(struct iwl_mvm *mvm, int queue, int fifo, int sta_id, 1897 int tid, int frame_limit, u16 ssn); 1898 1899 /* Thermal management and CT-kill */ 1900 void iwl_mvm_tt_tx_backoff(struct iwl_mvm *mvm, u32 backoff); 1901 void iwl_mvm_tt_temp_changed(struct iwl_mvm *mvm, u32 temp); 1902 void iwl_mvm_temp_notif(struct iwl_mvm *mvm, 1903 struct iwl_rx_cmd_buffer *rxb); 1904 void iwl_mvm_tt_handler(struct iwl_mvm *mvm); 1905 void iwl_mvm_thermal_initialize(struct iwl_mvm *mvm, u32 min_backoff); 1906 void iwl_mvm_thermal_exit(struct iwl_mvm *mvm); 1907 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state); 1908 int iwl_mvm_get_temp(struct iwl_mvm *mvm, s32 *temp); 1909 void iwl_mvm_ct_kill_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 1910 void iwl_mvm_enter_ctkill(struct iwl_mvm *mvm); 1911 int iwl_mvm_send_temp_report_ths_cmd(struct iwl_mvm *mvm); 1912 int iwl_mvm_ctdp_command(struct iwl_mvm *mvm, u32 op, u32 budget); 1913 1914 /* Location Aware Regulatory */ 1915 struct iwl_mcc_update_resp * 1916 iwl_mvm_update_mcc(struct iwl_mvm *mvm, const char *alpha2, 1917 enum iwl_mcc_source src_id); 1918 int iwl_mvm_init_mcc(struct iwl_mvm *mvm); 1919 void iwl_mvm_rx_chub_update_mcc(struct iwl_mvm *mvm, 1920 struct iwl_rx_cmd_buffer *rxb); 1921 struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy, 1922 const char *alpha2, 1923 enum iwl_mcc_source src_id, 1924 bool *changed); 1925 struct ieee80211_regdomain *iwl_mvm_get_current_regdomain(struct iwl_mvm *mvm, 1926 bool *changed); 1927 int iwl_mvm_init_fw_regd(struct iwl_mvm *mvm); 1928 void iwl_mvm_update_changed_regdom(struct iwl_mvm *mvm); 1929 1930 /* smart fifo */ 1931 int iwl_mvm_sf_update(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1932 bool added_vif); 1933 1934 /* TDLS */ 1935 1936 /* 1937 * We use TID 4 (VI) as a FW-used-only TID when TDLS connections are present. 1938 * This TID is marked as used vs the AP and all connected TDLS peers. 1939 */ 1940 #define IWL_MVM_TDLS_FW_TID 4 1941 1942 int iwl_mvm_tdls_sta_count(struct iwl_mvm *mvm, struct ieee80211_vif *vif); 1943 void iwl_mvm_teardown_tdls_peers(struct iwl_mvm *mvm); 1944 void iwl_mvm_recalc_tdls_state(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1945 bool sta_added); 1946 void iwl_mvm_mac_mgd_protect_tdls_discover(struct ieee80211_hw *hw, 1947 struct ieee80211_vif *vif); 1948 int iwl_mvm_tdls_channel_switch(struct ieee80211_hw *hw, 1949 struct ieee80211_vif *vif, 1950 struct ieee80211_sta *sta, u8 oper_class, 1951 struct cfg80211_chan_def *chandef, 1952 struct sk_buff *tmpl_skb, u32 ch_sw_tm_ie); 1953 void iwl_mvm_tdls_recv_channel_switch(struct ieee80211_hw *hw, 1954 struct ieee80211_vif *vif, 1955 struct ieee80211_tdls_ch_sw_params *params); 1956 void iwl_mvm_tdls_cancel_channel_switch(struct ieee80211_hw *hw, 1957 struct ieee80211_vif *vif, 1958 struct ieee80211_sta *sta); 1959 void iwl_mvm_rx_tdls_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 1960 void iwl_mvm_tdls_ch_switch_work(struct work_struct *work); 1961 1962 void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm *mvm, 1963 struct iwl_mvm_internal_rxq_notif *notif, 1964 u32 size); 1965 void iwl_mvm_reorder_timer_expired(struct timer_list *t); 1966 struct ieee80211_vif *iwl_mvm_get_bss_vif(struct iwl_mvm *mvm); 1967 bool iwl_mvm_is_vif_assoc(struct iwl_mvm *mvm); 1968 1969 void iwl_mvm_inactivity_check(struct iwl_mvm *mvm); 1970 1971 #define MVM_TCM_PERIOD_MSEC 500 1972 #define MVM_TCM_PERIOD (HZ * MVM_TCM_PERIOD_MSEC / 1000) 1973 #define MVM_LL_PERIOD (10 * HZ) 1974 void iwl_mvm_tcm_work(struct work_struct *work); 1975 void iwl_mvm_recalc_tcm(struct iwl_mvm *mvm); 1976 void iwl_mvm_pause_tcm(struct iwl_mvm *mvm, bool with_cancel); 1977 void iwl_mvm_resume_tcm(struct iwl_mvm *mvm); 1978 void iwl_mvm_tcm_add_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif); 1979 void iwl_mvm_tcm_rm_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif); 1980 u8 iwl_mvm_tcm_load_percentage(u32 airtime, u32 elapsed); 1981 1982 void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error); 1983 unsigned int iwl_mvm_get_wd_timeout(struct iwl_mvm *mvm, 1984 struct ieee80211_vif *vif, 1985 bool tdls, bool cmd_q); 1986 void iwl_mvm_connection_loss(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1987 const char *errmsg); 1988 void iwl_mvm_event_frame_timeout_callback(struct iwl_mvm *mvm, 1989 struct ieee80211_vif *vif, 1990 const struct ieee80211_sta *sta, 1991 u16 tid); 1992 1993 int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a, int prof_b); 1994 int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm); 1995 #ifdef CONFIG_IWLWIFI_DEBUGFS 1996 void iwl_mvm_sta_add_debugfs(struct ieee80211_hw *hw, 1997 struct ieee80211_vif *vif, 1998 struct ieee80211_sta *sta, 1999 struct dentry *dir); 2000 #endif 2001 2002 #endif /* __IWL_MVM_H__ */ 2003