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 * 12 * This program is free software; you can redistribute it and/or modify 13 * it under the terms of version 2 of the GNU General Public License as 14 * published by the Free Software Foundation. 15 * 16 * This program is distributed in the hope that it will be useful, but 17 * WITHOUT ANY WARRANTY; without even the implied warranty of 18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 19 * General Public License for more details. 20 * 21 * You should have received a copy of the GNU General Public License 22 * along with this program; if not, write to the Free Software 23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, 24 * USA 25 * 26 * The full GNU General Public License is included in this distribution 27 * in the file called COPYING. 28 * 29 * Contact Information: 30 * Intel Linux Wireless <linuxwifi@intel.com> 31 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 32 * 33 * BSD LICENSE 34 * 35 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. 36 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH 37 * Copyright(c) 2016 - 2017 Intel Deutschland GmbH 38 * All rights reserved. 39 * 40 * Redistribution and use in source and binary forms, with or without 41 * modification, are permitted provided that the following conditions 42 * are met: 43 * 44 * * Redistributions of source code must retain the above copyright 45 * notice, this list of conditions and the following disclaimer. 46 * * Redistributions in binary form must reproduce the above copyright 47 * notice, this list of conditions and the following disclaimer in 48 * the documentation and/or other materials provided with the 49 * distribution. 50 * * Neither the name Intel Corporation nor the names of its 51 * contributors may be used to endorse or promote products derived 52 * from this software without specific prior written permission. 53 * 54 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 55 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 56 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 57 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 58 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 59 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 60 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 61 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 62 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 63 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 64 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 65 * 66 *****************************************************************************/ 67 68 #ifndef __IWL_MVM_H__ 69 #define __IWL_MVM_H__ 70 71 #include <linux/list.h> 72 #include <linux/spinlock.h> 73 #include <linux/leds.h> 74 #include <linux/in6.h> 75 76 #ifdef CONFIG_THERMAL 77 #include <linux/thermal.h> 78 #endif 79 80 #include "iwl-op-mode.h" 81 #include "iwl-trans.h" 82 #include "fw/notif-wait.h" 83 #include "iwl-eeprom-parse.h" 84 #include "fw/file.h" 85 #include "iwl-config.h" 86 #include "sta.h" 87 #include "fw-api.h" 88 #include "constants.h" 89 #include "tof.h" 90 #include "fw/runtime.h" 91 #include "fw/dbg.h" 92 #include "fw/acpi.h" 93 #include "fw/debugfs.h" 94 95 #define IWL_MVM_MAX_ADDRESSES 5 96 /* RSSI offset for WkP */ 97 #define IWL_RSSI_OFFSET 50 98 #define IWL_MVM_MISSED_BEACONS_THRESHOLD 8 99 /* A TimeUnit is 1024 microsecond */ 100 #define MSEC_TO_TU(_msec) (_msec*1000/1024) 101 102 /* For GO, this value represents the number of TUs before CSA "beacon 103 * 0" TBTT when the CSA time-event needs to be scheduled to start. It 104 * must be big enough to ensure that we switch in time. 105 */ 106 #define IWL_MVM_CHANNEL_SWITCH_TIME_GO 40 107 108 /* For client, this value represents the number of TUs before CSA 109 * "beacon 1" TBTT, instead. This is because we don't know when the 110 * GO/AP will be in the new channel, so we switch early enough. 111 */ 112 #define IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT 10 113 114 /* 115 * This value (in TUs) is used to fine tune the CSA NoA end time which should 116 * be just before "beacon 0" TBTT. 117 */ 118 #define IWL_MVM_CHANNEL_SWITCH_MARGIN 4 119 120 /* 121 * Number of beacons to transmit on a new channel until we unblock tx to 122 * the stations, even if we didn't identify them on a new channel 123 */ 124 #define IWL_MVM_CS_UNBLOCK_TX_TIMEOUT 3 125 126 /* offchannel queue towards mac80211 */ 127 #define IWL_MVM_OFFCHANNEL_QUEUE 0 128 129 extern const struct ieee80211_ops iwl_mvm_hw_ops; 130 131 /** 132 * struct iwl_mvm_mod_params - module parameters for iwlmvm 133 * @init_dbg: if true, then the NIC won't be stopped if the INIT fw asserted. 134 * We will register to mac80211 to have testmode working. The NIC must not 135 * be up'ed after the INIT fw asserted. This is useful to be able to use 136 * proprietary tools over testmode to debug the INIT fw. 137 * @tfd_q_hang_detect: enabled the detection of hung transmit queues 138 * @power_scheme: one of enum iwl_power_scheme 139 */ 140 struct iwl_mvm_mod_params { 141 bool init_dbg; 142 bool tfd_q_hang_detect; 143 int power_scheme; 144 }; 145 extern struct iwl_mvm_mod_params iwlmvm_mod_params; 146 147 struct iwl_mvm_phy_ctxt { 148 u16 id; 149 u16 color; 150 u32 ref; 151 152 enum nl80211_chan_width width; 153 154 /* 155 * TODO: This should probably be removed. Currently here only for rate 156 * scaling algorithm 157 */ 158 struct ieee80211_channel *channel; 159 }; 160 161 struct iwl_mvm_time_event_data { 162 struct ieee80211_vif *vif; 163 struct list_head list; 164 unsigned long end_jiffies; 165 u32 duration; 166 bool running; 167 u32 uid; 168 169 /* 170 * The access to the 'id' field must be done when the 171 * mvm->time_event_lock is held, as it value is used to indicate 172 * if the te is in the time event list or not (when id == TE_MAX) 173 */ 174 u32 id; 175 }; 176 177 /* Power management */ 178 179 /** 180 * enum iwl_power_scheme 181 * @IWL_POWER_LEVEL_CAM - Continuously Active Mode 182 * @IWL_POWER_LEVEL_BPS - Balanced Power Save (default) 183 * @IWL_POWER_LEVEL_LP - Low Power 184 */ 185 enum iwl_power_scheme { 186 IWL_POWER_SCHEME_CAM = 1, 187 IWL_POWER_SCHEME_BPS, 188 IWL_POWER_SCHEME_LP 189 }; 190 191 #define IWL_CONN_MAX_LISTEN_INTERVAL 10 192 #define IWL_UAPSD_MAX_SP IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 193 194 #ifdef CONFIG_IWLWIFI_DEBUGFS 195 enum iwl_dbgfs_pm_mask { 196 MVM_DEBUGFS_PM_KEEP_ALIVE = BIT(0), 197 MVM_DEBUGFS_PM_SKIP_OVER_DTIM = BIT(1), 198 MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS = BIT(2), 199 MVM_DEBUGFS_PM_RX_DATA_TIMEOUT = BIT(3), 200 MVM_DEBUGFS_PM_TX_DATA_TIMEOUT = BIT(4), 201 MVM_DEBUGFS_PM_LPRX_ENA = BIT(6), 202 MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD = BIT(7), 203 MVM_DEBUGFS_PM_SNOOZE_ENABLE = BIT(8), 204 MVM_DEBUGFS_PM_UAPSD_MISBEHAVING = BIT(9), 205 MVM_DEBUGFS_PM_USE_PS_POLL = BIT(10), 206 }; 207 208 struct iwl_dbgfs_pm { 209 u16 keep_alive_seconds; 210 u32 rx_data_timeout; 211 u32 tx_data_timeout; 212 bool skip_over_dtim; 213 u8 skip_dtim_periods; 214 bool lprx_ena; 215 u32 lprx_rssi_threshold; 216 bool snooze_ena; 217 bool uapsd_misbehaving; 218 bool use_ps_poll; 219 int mask; 220 }; 221 222 /* beacon filtering */ 223 224 enum iwl_dbgfs_bf_mask { 225 MVM_DEBUGFS_BF_ENERGY_DELTA = BIT(0), 226 MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA = BIT(1), 227 MVM_DEBUGFS_BF_ROAMING_STATE = BIT(2), 228 MVM_DEBUGFS_BF_TEMP_THRESHOLD = BIT(3), 229 MVM_DEBUGFS_BF_TEMP_FAST_FILTER = BIT(4), 230 MVM_DEBUGFS_BF_TEMP_SLOW_FILTER = BIT(5), 231 MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER = BIT(6), 232 MVM_DEBUGFS_BF_DEBUG_FLAG = BIT(7), 233 MVM_DEBUGFS_BF_ESCAPE_TIMER = BIT(8), 234 MVM_DEBUGFS_BA_ESCAPE_TIMER = BIT(9), 235 MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT = BIT(10), 236 }; 237 238 struct iwl_dbgfs_bf { 239 u32 bf_energy_delta; 240 u32 bf_roaming_energy_delta; 241 u32 bf_roaming_state; 242 u32 bf_temp_threshold; 243 u32 bf_temp_fast_filter; 244 u32 bf_temp_slow_filter; 245 u32 bf_enable_beacon_filter; 246 u32 bf_debug_flag; 247 u32 bf_escape_timer; 248 u32 ba_escape_timer; 249 u32 ba_enable_beacon_abort; 250 int mask; 251 }; 252 #endif 253 254 enum iwl_mvm_smps_type_request { 255 IWL_MVM_SMPS_REQ_BT_COEX, 256 IWL_MVM_SMPS_REQ_TT, 257 IWL_MVM_SMPS_REQ_PROT, 258 NUM_IWL_MVM_SMPS_REQ, 259 }; 260 261 enum iwl_mvm_ref_type { 262 IWL_MVM_REF_UCODE_DOWN, 263 IWL_MVM_REF_SCAN, 264 IWL_MVM_REF_ROC, 265 IWL_MVM_REF_ROC_AUX, 266 IWL_MVM_REF_P2P_CLIENT, 267 IWL_MVM_REF_AP_IBSS, 268 IWL_MVM_REF_USER, 269 IWL_MVM_REF_TX, 270 IWL_MVM_REF_TX_AGG, 271 IWL_MVM_REF_ADD_IF, 272 IWL_MVM_REF_START_AP, 273 IWL_MVM_REF_BSS_CHANGED, 274 IWL_MVM_REF_PREPARE_TX, 275 IWL_MVM_REF_PROTECT_TDLS, 276 IWL_MVM_REF_CHECK_CTKILL, 277 IWL_MVM_REF_PRPH_READ, 278 IWL_MVM_REF_PRPH_WRITE, 279 IWL_MVM_REF_NMI, 280 IWL_MVM_REF_TM_CMD, 281 IWL_MVM_REF_EXIT_WORK, 282 IWL_MVM_REF_PROTECT_CSA, 283 IWL_MVM_REF_FW_DBG_COLLECT, 284 IWL_MVM_REF_INIT_UCODE, 285 IWL_MVM_REF_SENDING_CMD, 286 IWL_MVM_REF_RX, 287 288 /* update debugfs.c when changing this */ 289 290 IWL_MVM_REF_COUNT, 291 }; 292 293 enum iwl_bt_force_ant_mode { 294 BT_FORCE_ANT_DIS = 0, 295 BT_FORCE_ANT_AUTO, 296 BT_FORCE_ANT_BT, 297 BT_FORCE_ANT_WIFI, 298 299 BT_FORCE_ANT_MAX, 300 }; 301 302 /** 303 * struct iwl_mvm_vif_bf_data - beacon filtering related data 304 * @bf_enabled: indicates if beacon filtering is enabled 305 * @ba_enabled: indicated if beacon abort is enabled 306 * @ave_beacon_signal: average beacon signal 307 * @last_cqm_event: rssi of the last cqm event 308 * @bt_coex_min_thold: minimum threshold for BT coex 309 * @bt_coex_max_thold: maximum threshold for BT coex 310 * @last_bt_coex_event: rssi of the last BT coex event 311 */ 312 struct iwl_mvm_vif_bf_data { 313 bool bf_enabled; 314 bool ba_enabled; 315 int ave_beacon_signal; 316 int last_cqm_event; 317 int bt_coex_min_thold; 318 int bt_coex_max_thold; 319 int last_bt_coex_event; 320 }; 321 322 /** 323 * struct iwl_mvm_vif - data per Virtual Interface, it is a MAC context 324 * @id: between 0 and 3 325 * @color: to solve races upon MAC addition and removal 326 * @ap_sta_id: the sta_id of the AP - valid only if VIF type is STA 327 * @bssid: BSSID for this (client) interface 328 * @associated: indicates that we're currently associated, used only for 329 * managing the firmware state in iwl_mvm_bss_info_changed_station() 330 * @ap_assoc_sta_count: count of stations associated to us - valid only 331 * if VIF type is AP 332 * @uploaded: indicates the MAC context has been added to the device 333 * @ap_ibss_active: indicates that AP/IBSS is configured and that the interface 334 * should get quota etc. 335 * @pm_enabled - Indicate if MAC power management is allowed 336 * @monitor_active: indicates that monitor context is configured, and that the 337 * interface should get quota etc. 338 * @low_latency_traffic: indicates low latency traffic was detected 339 * @low_latency_dbgfs: low latency mode set from debugfs 340 * @low_latency_vcmd: low latency mode set from vendor command 341 * @ps_disabled: indicates that this interface requires PS to be disabled 342 * @queue_params: QoS params for this MAC 343 * @bcast_sta: station used for broadcast packets. Used by the following 344 * vifs: P2P_DEVICE, GO and AP. 345 * @beacon_skb: the skb used to hold the AP/GO beacon template 346 * @smps_requests: the SMPS requests of different parts of the driver, 347 * combined on update to yield the overall request to mac80211. 348 * @beacon_stats: beacon statistics, containing the # of received beacons, 349 * # of received beacons accumulated over FW restart, and the current 350 * average signal of beacons retrieved from the firmware 351 * @csa_failed: CSA failed to schedule time event, report an error later 352 * @features: hw features active for this vif 353 */ 354 struct iwl_mvm_vif { 355 struct iwl_mvm *mvm; 356 u16 id; 357 u16 color; 358 u8 ap_sta_id; 359 360 u8 bssid[ETH_ALEN]; 361 bool associated; 362 u8 ap_assoc_sta_count; 363 364 u16 cab_queue; 365 366 bool uploaded; 367 bool ap_ibss_active; 368 bool pm_enabled; 369 bool monitor_active; 370 bool low_latency_traffic, low_latency_dbgfs, low_latency_vcmd; 371 bool ps_disabled; 372 struct iwl_mvm_vif_bf_data bf_data; 373 374 struct { 375 u32 num_beacons, accu_num_beacons; 376 u8 avg_signal; 377 } beacon_stats; 378 379 u32 ap_beacon_time; 380 381 enum iwl_tsf_id tsf_id; 382 383 /* 384 * QoS data from mac80211, need to store this here 385 * as mac80211 has a separate callback but we need 386 * to have the data for the MAC context 387 */ 388 struct ieee80211_tx_queue_params queue_params[IEEE80211_NUM_ACS]; 389 struct iwl_mvm_time_event_data time_event_data; 390 struct iwl_mvm_time_event_data hs_time_event_data; 391 392 struct iwl_mvm_int_sta bcast_sta; 393 struct iwl_mvm_int_sta mcast_sta; 394 395 /* 396 * Assigned while mac80211 has the interface in a channel context, 397 * or, for P2P Device, while it exists. 398 */ 399 struct iwl_mvm_phy_ctxt *phy_ctxt; 400 401 #ifdef CONFIG_PM 402 /* WoWLAN GTK rekey data */ 403 struct { 404 u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN]; 405 __le64 replay_ctr; 406 bool valid; 407 } rekey_data; 408 409 int tx_key_idx; 410 411 bool seqno_valid; 412 u16 seqno; 413 #endif 414 415 #if IS_ENABLED(CONFIG_IPV6) 416 /* IPv6 addresses for WoWLAN */ 417 struct in6_addr target_ipv6_addrs[IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_MAX]; 418 unsigned long tentative_addrs[BITS_TO_LONGS(IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_MAX)]; 419 int num_target_ipv6_addrs; 420 #endif 421 422 #ifdef CONFIG_IWLWIFI_DEBUGFS 423 struct dentry *dbgfs_dir; 424 struct dentry *dbgfs_slink; 425 struct iwl_dbgfs_pm dbgfs_pm; 426 struct iwl_dbgfs_bf dbgfs_bf; 427 struct iwl_mac_power_cmd mac_pwr_cmd; 428 int dbgfs_quota_min; 429 #endif 430 431 enum ieee80211_smps_mode smps_requests[NUM_IWL_MVM_SMPS_REQ]; 432 433 /* FW identified misbehaving AP */ 434 u8 uapsd_misbehaving_bssid[ETH_ALEN]; 435 436 /* Indicates that CSA countdown may be started */ 437 bool csa_countdown; 438 bool csa_failed; 439 u16 csa_target_freq; 440 441 /* Indicates that we are waiting for a beacon on a new channel */ 442 bool csa_bcn_pending; 443 444 /* TCP Checksum Offload */ 445 netdev_features_t features; 446 }; 447 448 static inline struct iwl_mvm_vif * 449 iwl_mvm_vif_from_mac80211(struct ieee80211_vif *vif) 450 { 451 if (!vif) 452 return NULL; 453 return (void *)vif->drv_priv; 454 } 455 456 extern const u8 tid_to_mac80211_ac[]; 457 458 #define IWL_MVM_SCAN_STOPPING_SHIFT 8 459 460 enum iwl_scan_status { 461 IWL_MVM_SCAN_REGULAR = BIT(0), 462 IWL_MVM_SCAN_SCHED = BIT(1), 463 IWL_MVM_SCAN_NETDETECT = BIT(2), 464 465 IWL_MVM_SCAN_STOPPING_REGULAR = BIT(8), 466 IWL_MVM_SCAN_STOPPING_SCHED = BIT(9), 467 IWL_MVM_SCAN_STOPPING_NETDETECT = BIT(10), 468 469 IWL_MVM_SCAN_REGULAR_MASK = IWL_MVM_SCAN_REGULAR | 470 IWL_MVM_SCAN_STOPPING_REGULAR, 471 IWL_MVM_SCAN_SCHED_MASK = IWL_MVM_SCAN_SCHED | 472 IWL_MVM_SCAN_STOPPING_SCHED, 473 IWL_MVM_SCAN_NETDETECT_MASK = IWL_MVM_SCAN_NETDETECT | 474 IWL_MVM_SCAN_STOPPING_NETDETECT, 475 476 IWL_MVM_SCAN_STOPPING_MASK = 0xff << IWL_MVM_SCAN_STOPPING_SHIFT, 477 IWL_MVM_SCAN_MASK = 0xff, 478 }; 479 480 enum iwl_mvm_scan_type { 481 IWL_SCAN_TYPE_NOT_SET, 482 IWL_SCAN_TYPE_UNASSOC, 483 IWL_SCAN_TYPE_WILD, 484 IWL_SCAN_TYPE_MILD, 485 IWL_SCAN_TYPE_FRAGMENTED, 486 }; 487 488 enum iwl_mvm_sched_scan_pass_all_states { 489 SCHED_SCAN_PASS_ALL_DISABLED, 490 SCHED_SCAN_PASS_ALL_ENABLED, 491 SCHED_SCAN_PASS_ALL_FOUND, 492 }; 493 494 /** 495 * struct iwl_nvm_section - describes an NVM section in memory. 496 * 497 * This struct holds an NVM section read from the NIC using NVM_ACCESS_CMD, 498 * and saved for later use by the driver. Not all NVM sections are saved 499 * this way, only the needed ones. 500 */ 501 struct iwl_nvm_section { 502 u16 length; 503 const u8 *data; 504 }; 505 506 /** 507 * struct iwl_mvm_tt_mgnt - Thermal Throttling Management structure 508 * @ct_kill_exit: worker to exit thermal kill 509 * @dynamic_smps: Is thermal throttling enabled dynamic_smps? 510 * @tx_backoff: The current thremal throttling tx backoff in uSec. 511 * @min_backoff: The minimal tx backoff due to power restrictions 512 * @params: Parameters to configure the thermal throttling algorithm. 513 * @throttle: Is thermal throttling is active? 514 */ 515 struct iwl_mvm_tt_mgmt { 516 struct delayed_work ct_kill_exit; 517 bool dynamic_smps; 518 u32 tx_backoff; 519 u32 min_backoff; 520 struct iwl_tt_params params; 521 bool throttle; 522 }; 523 524 #ifdef CONFIG_THERMAL 525 /** 526 *struct iwl_mvm_thermal_device - thermal zone related data 527 * @temp_trips: temperature thresholds for report 528 * @fw_trips_index: keep indexes to original array - temp_trips 529 * @tzone: thermal zone device data 530 */ 531 struct iwl_mvm_thermal_device { 532 s16 temp_trips[IWL_MAX_DTS_TRIPS]; 533 u8 fw_trips_index[IWL_MAX_DTS_TRIPS]; 534 struct thermal_zone_device *tzone; 535 }; 536 537 /* 538 * struct iwl_mvm_cooling_device 539 * @cur_state: current state 540 * @cdev: struct thermal cooling device 541 */ 542 struct iwl_mvm_cooling_device { 543 u32 cur_state; 544 struct thermal_cooling_device *cdev; 545 }; 546 #endif 547 548 #define IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES 8 549 550 struct iwl_mvm_frame_stats { 551 u32 legacy_frames; 552 u32 ht_frames; 553 u32 vht_frames; 554 u32 bw_20_frames; 555 u32 bw_40_frames; 556 u32 bw_80_frames; 557 u32 bw_160_frames; 558 u32 sgi_frames; 559 u32 ngi_frames; 560 u32 siso_frames; 561 u32 mimo2_frames; 562 u32 agg_frames; 563 u32 ampdu_count; 564 u32 success_frames; 565 u32 fail_frames; 566 u32 last_rates[IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES]; 567 int last_frame_idx; 568 }; 569 570 enum { 571 D0I3_DEFER_WAKEUP, 572 D0I3_PENDING_WAKEUP, 573 }; 574 575 #define IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE 0xff 576 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MIN -100 577 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MAX 200 578 579 enum iwl_mvm_tdls_cs_state { 580 IWL_MVM_TDLS_SW_IDLE = 0, 581 IWL_MVM_TDLS_SW_REQ_SENT, 582 IWL_MVM_TDLS_SW_RESP_RCVD, 583 IWL_MVM_TDLS_SW_REQ_RCVD, 584 IWL_MVM_TDLS_SW_ACTIVE, 585 }; 586 587 /** 588 * struct iwl_mvm_reorder_buffer - per ra/tid/queue reorder buffer 589 * @head_sn: reorder window head sn 590 * @num_stored: number of mpdus stored in the buffer 591 * @buf_size: the reorder buffer size as set by the last addba request 592 * @queue: queue of this reorder buffer 593 * @last_amsdu: track last ASMDU SN for duplication detection 594 * @last_sub_index: track ASMDU sub frame index for duplication detection 595 * @reorder_timer: timer for frames are in the reorder buffer. For AMSDU 596 * it is the time of last received sub-frame 597 * @removed: prevent timer re-arming 598 * @valid: reordering is valid for this queue 599 * @lock: protect reorder buffer internal state 600 * @mvm: mvm pointer, needed for frame timer context 601 */ 602 struct iwl_mvm_reorder_buffer { 603 u16 head_sn; 604 u16 num_stored; 605 u8 buf_size; 606 int queue; 607 u16 last_amsdu; 608 u8 last_sub_index; 609 struct timer_list reorder_timer; 610 bool removed; 611 bool valid; 612 spinlock_t lock; 613 struct iwl_mvm *mvm; 614 } ____cacheline_aligned_in_smp; 615 616 /** 617 * struct _iwl_mvm_reorder_buf_entry - reorder buffer entry per-queue/per-seqno 618 * @frames: list of skbs stored 619 * @reorder_time: time the packet was stored in the reorder buffer 620 */ 621 struct _iwl_mvm_reorder_buf_entry { 622 struct sk_buff_head frames; 623 unsigned long reorder_time; 624 }; 625 626 /* make this indirection to get the aligned thing */ 627 struct iwl_mvm_reorder_buf_entry { 628 struct _iwl_mvm_reorder_buf_entry e; 629 } 630 #ifndef __CHECKER__ 631 /* sparse doesn't like this construct: "bad integer constant expression" */ 632 __aligned(roundup_pow_of_two(sizeof(struct _iwl_mvm_reorder_buf_entry))) 633 #endif 634 ; 635 636 /** 637 * struct iwl_mvm_baid_data - BA session data 638 * @sta_id: station id 639 * @tid: tid of the session 640 * @baid baid of the session 641 * @timeout: the timeout set in the addba request 642 * @entries_per_queue: # of buffers per queue, this actually gets 643 * aligned up to avoid cache line sharing between queues 644 * @last_rx: last rx jiffies, updated only if timeout passed from last update 645 * @session_timer: timer to check if BA session expired, runs at 2 * timeout 646 * @mvm: mvm pointer, needed for timer context 647 * @reorder_buf: reorder buffer, allocated per queue 648 * @reorder_buf_data: data 649 */ 650 struct iwl_mvm_baid_data { 651 struct rcu_head rcu_head; 652 u8 sta_id; 653 u8 tid; 654 u8 baid; 655 u16 timeout; 656 u16 entries_per_queue; 657 unsigned long last_rx; 658 struct timer_list session_timer; 659 struct iwl_mvm_baid_data __rcu **rcu_ptr; 660 struct iwl_mvm *mvm; 661 struct iwl_mvm_reorder_buffer reorder_buf[IWL_MAX_RX_HW_QUEUES]; 662 struct iwl_mvm_reorder_buf_entry entries[]; 663 }; 664 665 static inline struct iwl_mvm_baid_data * 666 iwl_mvm_baid_data_from_reorder_buf(struct iwl_mvm_reorder_buffer *buf) 667 { 668 return (void *)((u8 *)buf - 669 offsetof(struct iwl_mvm_baid_data, reorder_buf) - 670 sizeof(*buf) * buf->queue); 671 } 672 673 /* 674 * enum iwl_mvm_queue_status - queue status 675 * @IWL_MVM_QUEUE_FREE: the queue is not allocated nor reserved 676 * Basically, this means that this queue can be used for any purpose 677 * @IWL_MVM_QUEUE_RESERVED: queue is reserved but not yet in use 678 * This is the state of a queue that has been dedicated for some RATID 679 * (agg'd or not), but that hasn't yet gone through the actual enablement 680 * of iwl_mvm_enable_txq(), and therefore no traffic can go through it yet. 681 * Note that in this state there is no requirement to already know what TID 682 * should be used with this queue, it is just marked as a queue that will 683 * be used, and shouldn't be allocated to anyone else. 684 * @IWL_MVM_QUEUE_READY: queue is ready to be used 685 * This is the state of a queue that has been fully configured (including 686 * SCD pointers, etc), has a specific RA/TID assigned to it, and can be 687 * used to send traffic. 688 * @IWL_MVM_QUEUE_SHARED: queue is shared, or in a process of becoming shared 689 * This is a state in which a single queue serves more than one TID, all of 690 * which are not aggregated. Note that the queue is only associated to one 691 * RA. 692 * @IWL_MVM_QUEUE_INACTIVE: queue is allocated but no traffic on it 693 * This is a state of a queue that has had traffic on it, but during the 694 * last %IWL_MVM_DQA_QUEUE_TIMEOUT time period there has been no traffic on 695 * it. In this state, when a new queue is needed to be allocated but no 696 * such free queue exists, an inactive queue might be freed and given to 697 * the new RA/TID. 698 * @IWL_MVM_QUEUE_RECONFIGURING: queue is being reconfigured 699 * This is the state of a queue that has had traffic pass through it, but 700 * needs to be reconfigured for some reason, e.g. the queue needs to 701 * become unshared and aggregations re-enabled on. 702 */ 703 enum iwl_mvm_queue_status { 704 IWL_MVM_QUEUE_FREE, 705 IWL_MVM_QUEUE_RESERVED, 706 IWL_MVM_QUEUE_READY, 707 IWL_MVM_QUEUE_SHARED, 708 IWL_MVM_QUEUE_INACTIVE, 709 IWL_MVM_QUEUE_RECONFIGURING, 710 }; 711 712 #define IWL_MVM_DQA_QUEUE_TIMEOUT (5 * HZ) 713 #define IWL_MVM_INVALID_QUEUE 0xFFFF 714 715 #define IWL_MVM_NUM_CIPHERS 10 716 717 struct iwl_mvm_sar_profile { 718 bool enabled; 719 u8 table[ACPI_SAR_TABLE_SIZE]; 720 }; 721 722 struct iwl_mvm_geo_profile { 723 u8 values[ACPI_GEO_TABLE_SIZE]; 724 }; 725 726 struct iwl_mvm { 727 /* for logger access */ 728 struct device *dev; 729 730 struct iwl_trans *trans; 731 const struct iwl_fw *fw; 732 const struct iwl_cfg *cfg; 733 struct iwl_phy_db *phy_db; 734 struct ieee80211_hw *hw; 735 736 /* for protecting access to iwl_mvm */ 737 struct mutex mutex; 738 struct list_head async_handlers_list; 739 spinlock_t async_handlers_lock; 740 struct work_struct async_handlers_wk; 741 742 struct work_struct roc_done_wk; 743 744 unsigned long init_status; 745 746 unsigned long status; 747 748 u32 queue_sync_cookie; 749 atomic_t queue_sync_counter; 750 /* 751 * for beacon filtering - 752 * currently only one interface can be supported 753 */ 754 struct iwl_mvm_vif *bf_allowed_vif; 755 756 bool hw_registered; 757 bool calibrating; 758 u32 error_event_table[2]; 759 u32 log_event_table; 760 u32 umac_error_event_table; 761 bool support_umac_log; 762 763 u32 ampdu_ref; 764 bool ampdu_toggle; 765 766 struct iwl_notif_wait_data notif_wait; 767 768 union { 769 struct mvm_statistics_rx_v3 rx_stats_v3; 770 struct mvm_statistics_rx rx_stats; 771 }; 772 773 struct { 774 u64 rx_time; 775 u64 tx_time; 776 u64 on_time_rf; 777 u64 on_time_scan; 778 } radio_stats, accu_radio_stats; 779 780 u16 hw_queue_to_mac80211[IWL_MAX_TVQM_QUEUES]; 781 782 struct { 783 u8 hw_queue_refcount; 784 u8 ra_sta_id; /* The RA this queue is mapped to, if exists */ 785 bool reserved; /* Is this the TXQ reserved for a STA */ 786 u8 mac80211_ac; /* The mac80211 AC this queue is mapped to */ 787 u8 txq_tid; /* The TID "owner" of this queue*/ 788 u16 tid_bitmap; /* Bitmap of the TIDs mapped to this queue */ 789 /* Timestamp for inactivation per TID of this queue */ 790 unsigned long last_frame_time[IWL_MAX_TID_COUNT + 1]; 791 enum iwl_mvm_queue_status status; 792 } queue_info[IWL_MAX_HW_QUEUES]; 793 spinlock_t queue_info_lock; /* For syncing queue mgmt operations */ 794 struct work_struct add_stream_wk; /* To add streams to queues */ 795 796 atomic_t mac80211_queue_stop_count[IEEE80211_MAX_QUEUES]; 797 798 const char *nvm_file_name; 799 struct iwl_nvm_data *nvm_data; 800 /* NVM sections */ 801 struct iwl_nvm_section nvm_sections[NVM_MAX_NUM_SECTIONS]; 802 803 struct iwl_fw_runtime fwrt; 804 805 /* EEPROM MAC addresses */ 806 struct mac_address addresses[IWL_MVM_MAX_ADDRESSES]; 807 808 /* data related to data path */ 809 struct iwl_rx_phy_info last_phy_info; 810 struct ieee80211_sta __rcu *fw_id_to_mac_id[IWL_MVM_STATION_COUNT]; 811 unsigned long sta_deferred_frames[BITS_TO_LONGS(IWL_MVM_STATION_COUNT)]; 812 u8 rx_ba_sessions; 813 814 /* configured by mac80211 */ 815 u32 rts_threshold; 816 817 /* Scan status, cmd (pre-allocated) and auxiliary station */ 818 unsigned int scan_status; 819 void *scan_cmd; 820 struct iwl_mcast_filter_cmd *mcast_filter_cmd; 821 enum iwl_mvm_scan_type scan_type; 822 enum iwl_mvm_sched_scan_pass_all_states sched_scan_pass_all; 823 struct delayed_work scan_timeout_dwork; 824 825 /* max number of simultaneous scans the FW supports */ 826 unsigned int max_scans; 827 828 /* UMAC scan tracking */ 829 u32 scan_uid_status[IWL_MVM_MAX_UMAC_SCANS]; 830 831 /* start time of last scan in TSF of the mac that requested the scan */ 832 u64 scan_start; 833 834 /* the vif that requested the current scan */ 835 struct iwl_mvm_vif *scan_vif; 836 837 /* rx chain antennas set through debugfs for the scan command */ 838 u8 scan_rx_ant; 839 840 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING 841 /* broadcast filters to configure for each associated station */ 842 const struct iwl_fw_bcast_filter *bcast_filters; 843 #ifdef CONFIG_IWLWIFI_DEBUGFS 844 struct { 845 bool override; 846 struct iwl_bcast_filter_cmd cmd; 847 } dbgfs_bcast_filtering; 848 #endif 849 #endif 850 851 /* Internal station */ 852 struct iwl_mvm_int_sta aux_sta; 853 struct iwl_mvm_int_sta snif_sta; 854 855 bool last_ebs_successful; 856 857 u8 scan_last_antenna_idx; /* to toggle TX between antennas */ 858 u8 mgmt_last_antenna_idx; 859 860 /* last smart fifo state that was successfully sent to firmware */ 861 enum iwl_sf_state sf_state; 862 863 #ifdef CONFIG_IWLWIFI_DEBUGFS 864 struct dentry *debugfs_dir; 865 u32 dbgfs_sram_offset, dbgfs_sram_len; 866 u32 dbgfs_prph_reg_addr; 867 bool disable_power_off; 868 bool disable_power_off_d3; 869 870 bool scan_iter_notif_enabled; 871 872 struct debugfs_blob_wrapper nvm_hw_blob; 873 struct debugfs_blob_wrapper nvm_sw_blob; 874 struct debugfs_blob_wrapper nvm_calib_blob; 875 struct debugfs_blob_wrapper nvm_prod_blob; 876 struct debugfs_blob_wrapper nvm_phy_sku_blob; 877 878 struct iwl_mvm_frame_stats drv_rx_stats; 879 spinlock_t drv_stats_lock; 880 u16 dbgfs_rx_phyinfo; 881 #endif 882 883 struct iwl_mvm_phy_ctxt phy_ctxts[NUM_PHY_CTX]; 884 885 struct list_head time_event_list; 886 spinlock_t time_event_lock; 887 888 /* 889 * A bitmap indicating the index of the key in use. The firmware 890 * can hold 16 keys at most. Reflect this fact. 891 */ 892 unsigned long fw_key_table[BITS_TO_LONGS(STA_KEY_MAX_NUM)]; 893 u8 fw_key_deleted[STA_KEY_MAX_NUM]; 894 895 /* references taken by the driver and spinlock protecting them */ 896 spinlock_t refs_lock; 897 u8 refs[IWL_MVM_REF_COUNT]; 898 899 u8 vif_count; 900 901 /* -1 for always, 0 for never, >0 for that many times */ 902 s8 fw_restart; 903 904 #ifdef CONFIG_IWLWIFI_LEDS 905 struct led_classdev led; 906 #endif 907 908 struct ieee80211_vif *p2p_device_vif; 909 910 #ifdef CONFIG_PM 911 struct wiphy_wowlan_support wowlan; 912 int gtk_ivlen, gtk_icvlen, ptk_ivlen, ptk_icvlen; 913 914 /* sched scan settings for net detect */ 915 struct ieee80211_scan_ies nd_ies; 916 struct cfg80211_match_set *nd_match_sets; 917 int n_nd_match_sets; 918 struct ieee80211_channel **nd_channels; 919 int n_nd_channels; 920 bool net_detect; 921 #ifdef CONFIG_IWLWIFI_DEBUGFS 922 bool d3_wake_sysassert; 923 bool d3_test_active; 924 bool store_d3_resume_sram; 925 void *d3_resume_sram; 926 u32 d3_test_pme_ptr; 927 struct ieee80211_vif *keep_vif; 928 u32 last_netdetect_scans; /* no. of scans in the last net-detect wake */ 929 #endif 930 #endif 931 932 /* d0i3 */ 933 u8 d0i3_ap_sta_id; 934 bool d0i3_offloading; 935 struct work_struct d0i3_exit_work; 936 struct sk_buff_head d0i3_tx; 937 /* protect d0i3_suspend_flags */ 938 struct mutex d0i3_suspend_mutex; 939 unsigned long d0i3_suspend_flags; 940 /* sync d0i3_tx queue and IWL_MVM_STATUS_IN_D0I3 status flag */ 941 spinlock_t d0i3_tx_lock; 942 wait_queue_head_t d0i3_exit_waitq; 943 wait_queue_head_t rx_sync_waitq; 944 945 /* BT-Coex */ 946 struct iwl_bt_coex_profile_notif last_bt_notif; 947 struct iwl_bt_coex_ci_cmd last_bt_ci_cmd; 948 949 u8 bt_tx_prio; 950 enum iwl_bt_force_ant_mode bt_force_ant_mode; 951 952 /* Aux ROC */ 953 struct list_head aux_roc_te_list; 954 955 /* Thermal Throttling and CTkill */ 956 struct iwl_mvm_tt_mgmt thermal_throttle; 957 #ifdef CONFIG_THERMAL 958 struct iwl_mvm_thermal_device tz_device; 959 struct iwl_mvm_cooling_device cooling_dev; 960 #endif 961 962 s32 temperature; /* Celsius */ 963 /* 964 * Debug option to set the NIC temperature. This option makes the 965 * driver think this is the actual NIC temperature, and ignore the 966 * real temperature that is received from the fw 967 */ 968 bool temperature_test; /* Debug test temperature is enabled */ 969 970 struct iwl_time_quota_cmd last_quota_cmd; 971 972 #ifdef CONFIG_NL80211_TESTMODE 973 u32 noa_duration; 974 struct ieee80211_vif *noa_vif; 975 #endif 976 977 /* Tx queues */ 978 u16 aux_queue; 979 u16 snif_queue; 980 u16 probe_queue; 981 u16 p2p_dev_queue; 982 983 /* Indicate if device power save is allowed */ 984 u8 ps_disabled; /* u8 instead of bool to ease debugfs_create_* usage */ 985 unsigned int max_amsdu_len; /* used for debugfs only */ 986 987 struct ieee80211_vif __rcu *csa_vif; 988 struct ieee80211_vif __rcu *csa_tx_blocked_vif; 989 u8 csa_tx_block_bcn_timeout; 990 991 /* system time of last beacon (for AP/GO interface) */ 992 u32 ap_last_beacon_gp2; 993 994 /* indicates that we transmitted the last beacon */ 995 bool ibss_manager; 996 997 bool lar_regdom_set; 998 enum iwl_mcc_source mcc_src; 999 1000 /* TDLS channel switch data */ 1001 struct { 1002 struct delayed_work dwork; 1003 enum iwl_mvm_tdls_cs_state state; 1004 1005 /* 1006 * Current cs sta - might be different from periodic cs peer 1007 * station. Value is meaningless when the cs-state is idle. 1008 */ 1009 u8 cur_sta_id; 1010 1011 /* TDLS periodic channel-switch peer */ 1012 struct { 1013 u8 sta_id; 1014 u8 op_class; 1015 bool initiator; /* are we the link initiator */ 1016 struct cfg80211_chan_def chandef; 1017 struct sk_buff *skb; /* ch sw template */ 1018 u32 ch_sw_tm_ie; 1019 1020 /* timestamp of last ch-sw request sent (GP2 time) */ 1021 u32 sent_timestamp; 1022 } peer; 1023 } tdls_cs; 1024 1025 1026 u32 ciphers[IWL_MVM_NUM_CIPHERS]; 1027 struct ieee80211_cipher_scheme cs[IWL_UCODE_MAX_CS]; 1028 struct iwl_mvm_tof_data tof_data; 1029 1030 struct ieee80211_vif *nan_vif; 1031 #define IWL_MAX_BAID 32 1032 struct iwl_mvm_baid_data __rcu *baid_map[IWL_MAX_BAID]; 1033 1034 /* 1035 * Drop beacons from other APs in AP mode when there are no connected 1036 * clients. 1037 */ 1038 bool drop_bcn_ap_mode; 1039 1040 struct delayed_work cs_tx_unblock_dwork; 1041 1042 /* does a monitor vif exist (only one can exist hence bool) */ 1043 bool monitor_on; 1044 #ifdef CONFIG_ACPI 1045 struct iwl_mvm_sar_profile sar_profiles[ACPI_SAR_PROFILE_NUM]; 1046 struct iwl_mvm_geo_profile geo_profiles[ACPI_NUM_GEO_PROFILES]; 1047 #endif 1048 }; 1049 1050 /* Extract MVM priv from op_mode and _hw */ 1051 #define IWL_OP_MODE_GET_MVM(_iwl_op_mode) \ 1052 ((struct iwl_mvm *)(_iwl_op_mode)->op_mode_specific) 1053 1054 #define IWL_MAC80211_GET_MVM(_hw) \ 1055 IWL_OP_MODE_GET_MVM((struct iwl_op_mode *)((_hw)->priv)) 1056 1057 /** 1058 * enum iwl_mvm_status - MVM status bits 1059 * @IWL_MVM_STATUS_HW_RFKILL: HW RF-kill is asserted 1060 * @IWL_MVM_STATUS_HW_CTKILL: CT-kill is active 1061 * @IWL_MVM_STATUS_ROC_RUNNING: remain-on-channel is running 1062 * @IWL_MVM_STATUS_HW_RESTART_REQUESTED: HW restart was requested 1063 * @IWL_MVM_STATUS_IN_HW_RESTART: HW restart is active 1064 * @IWL_MVM_STATUS_IN_D0I3: NIC is in D0i3 1065 * @IWL_MVM_STATUS_ROC_AUX_RUNNING: AUX remain-on-channel is running 1066 * @IWL_MVM_STATUS_D3_RECONFIG: D3 reconfiguration is being done 1067 * @IWL_MVM_STATUS_FIRMWARE_RUNNING: firmware is running 1068 * @IWL_MVM_STATUS_NEED_FLUSH_P2P: need to flush P2P bcast STA 1069 */ 1070 enum iwl_mvm_status { 1071 IWL_MVM_STATUS_HW_RFKILL, 1072 IWL_MVM_STATUS_HW_CTKILL, 1073 IWL_MVM_STATUS_ROC_RUNNING, 1074 IWL_MVM_STATUS_HW_RESTART_REQUESTED, 1075 IWL_MVM_STATUS_IN_HW_RESTART, 1076 IWL_MVM_STATUS_IN_D0I3, 1077 IWL_MVM_STATUS_ROC_AUX_RUNNING, 1078 IWL_MVM_STATUS_D3_RECONFIG, 1079 IWL_MVM_STATUS_FIRMWARE_RUNNING, 1080 IWL_MVM_STATUS_NEED_FLUSH_P2P, 1081 }; 1082 1083 /* Keep track of completed init configuration */ 1084 enum iwl_mvm_init_status { 1085 IWL_MVM_INIT_STATUS_THERMAL_INIT_COMPLETE = BIT(0), 1086 IWL_MVM_INIT_STATUS_LEDS_INIT_COMPLETE = BIT(1), 1087 IWL_MVM_INIT_STATUS_REG_HW_INIT_COMPLETE = BIT(2), 1088 IWL_MVM_INIT_STATUS_TOF_INIT_COMPLETE = BIT(3), 1089 }; 1090 1091 static inline bool iwl_mvm_is_radio_killed(struct iwl_mvm *mvm) 1092 { 1093 return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status) || 1094 test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status); 1095 } 1096 1097 static inline bool iwl_mvm_is_radio_hw_killed(struct iwl_mvm *mvm) 1098 { 1099 return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status); 1100 } 1101 1102 static inline bool iwl_mvm_firmware_running(struct iwl_mvm *mvm) 1103 { 1104 return test_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); 1105 } 1106 1107 /* Must be called with rcu_read_lock() held and it can only be 1108 * released when mvmsta is not needed anymore. 1109 */ 1110 static inline struct iwl_mvm_sta * 1111 iwl_mvm_sta_from_staid_rcu(struct iwl_mvm *mvm, u8 sta_id) 1112 { 1113 struct ieee80211_sta *sta; 1114 1115 if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id)) 1116 return NULL; 1117 1118 sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]); 1119 1120 /* This can happen if the station has been removed right now */ 1121 if (IS_ERR_OR_NULL(sta)) 1122 return NULL; 1123 1124 return iwl_mvm_sta_from_mac80211(sta); 1125 } 1126 1127 static inline struct iwl_mvm_sta * 1128 iwl_mvm_sta_from_staid_protected(struct iwl_mvm *mvm, u8 sta_id) 1129 { 1130 struct ieee80211_sta *sta; 1131 1132 if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id)) 1133 return NULL; 1134 1135 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id], 1136 lockdep_is_held(&mvm->mutex)); 1137 1138 /* This can happen if the station has been removed right now */ 1139 if (IS_ERR_OR_NULL(sta)) 1140 return NULL; 1141 1142 return iwl_mvm_sta_from_mac80211(sta); 1143 } 1144 1145 static inline bool iwl_mvm_is_d0i3_supported(struct iwl_mvm *mvm) 1146 { 1147 return !iwlwifi_mod_params.d0i3_disable && 1148 fw_has_capa(&mvm->fw->ucode_capa, 1149 IWL_UCODE_TLV_CAPA_D0I3_SUPPORT); 1150 } 1151 1152 static inline bool iwl_mvm_is_adaptive_dwell_supported(struct iwl_mvm *mvm) 1153 { 1154 return fw_has_api(&mvm->fw->ucode_capa, 1155 IWL_UCODE_TLV_API_ADAPTIVE_DWELL); 1156 } 1157 1158 static inline bool iwl_mvm_enter_d0i3_on_suspend(struct iwl_mvm *mvm) 1159 { 1160 /* For now we only use this mode to differentiate between 1161 * slave transports, which handle D0i3 entry in suspend by 1162 * themselves in conjunction with runtime PM D0i3. So, this 1163 * function is used to check whether we need to do anything 1164 * when entering suspend or if the transport layer has already 1165 * done it. 1166 */ 1167 return (mvm->trans->system_pm_mode == IWL_PLAT_PM_MODE_D0I3) && 1168 (mvm->trans->runtime_pm_mode != IWL_PLAT_PM_MODE_D0I3); 1169 } 1170 1171 static inline bool iwl_mvm_is_dqa_data_queue(struct iwl_mvm *mvm, u8 queue) 1172 { 1173 return (queue >= IWL_MVM_DQA_MIN_DATA_QUEUE) && 1174 (queue <= IWL_MVM_DQA_MAX_DATA_QUEUE); 1175 } 1176 1177 static inline bool iwl_mvm_is_dqa_mgmt_queue(struct iwl_mvm *mvm, u8 queue) 1178 { 1179 return (queue >= IWL_MVM_DQA_MIN_MGMT_QUEUE) && 1180 (queue <= IWL_MVM_DQA_MAX_MGMT_QUEUE); 1181 } 1182 1183 static inline bool iwl_mvm_is_lar_supported(struct iwl_mvm *mvm) 1184 { 1185 bool nvm_lar = mvm->nvm_data->lar_enabled; 1186 bool tlv_lar = fw_has_capa(&mvm->fw->ucode_capa, 1187 IWL_UCODE_TLV_CAPA_LAR_SUPPORT); 1188 1189 if (iwlwifi_mod_params.lar_disable) 1190 return false; 1191 1192 /* 1193 * Enable LAR only if it is supported by the FW (TLV) && 1194 * enabled in the NVM 1195 */ 1196 if (mvm->cfg->nvm_type == IWL_NVM_EXT) 1197 return nvm_lar && tlv_lar; 1198 else 1199 return tlv_lar; 1200 } 1201 1202 static inline bool iwl_mvm_is_wifi_mcc_supported(struct iwl_mvm *mvm) 1203 { 1204 return fw_has_api(&mvm->fw->ucode_capa, 1205 IWL_UCODE_TLV_API_WIFI_MCC_UPDATE) || 1206 fw_has_capa(&mvm->fw->ucode_capa, 1207 IWL_UCODE_TLV_CAPA_LAR_MULTI_MCC); 1208 } 1209 1210 static inline bool iwl_mvm_bt_is_rrc_supported(struct iwl_mvm *mvm) 1211 { 1212 return fw_has_capa(&mvm->fw->ucode_capa, 1213 IWL_UCODE_TLV_CAPA_BT_COEX_RRC) && 1214 IWL_MVM_BT_COEX_RRC; 1215 } 1216 1217 static inline bool iwl_mvm_is_csum_supported(struct iwl_mvm *mvm) 1218 { 1219 return fw_has_capa(&mvm->fw->ucode_capa, 1220 IWL_UCODE_TLV_CAPA_CSUM_SUPPORT) && 1221 !IWL_MVM_HW_CSUM_DISABLE; 1222 } 1223 1224 static inline bool iwl_mvm_is_mplut_supported(struct iwl_mvm *mvm) 1225 { 1226 return fw_has_capa(&mvm->fw->ucode_capa, 1227 IWL_UCODE_TLV_CAPA_BT_MPLUT_SUPPORT) && 1228 IWL_MVM_BT_COEX_MPLUT; 1229 } 1230 1231 static inline 1232 bool iwl_mvm_is_p2p_scm_uapsd_supported(struct iwl_mvm *mvm) 1233 { 1234 return fw_has_capa(&mvm->fw->ucode_capa, 1235 IWL_UCODE_TLV_CAPA_P2P_SCM_UAPSD) && 1236 !(iwlwifi_mod_params.uapsd_disable & 1237 IWL_DISABLE_UAPSD_P2P_CLIENT); 1238 } 1239 1240 static inline bool iwl_mvm_has_new_rx_api(struct iwl_mvm *mvm) 1241 { 1242 return fw_has_capa(&mvm->fw->ucode_capa, 1243 IWL_UCODE_TLV_CAPA_MULTI_QUEUE_RX_SUPPORT); 1244 } 1245 1246 static inline bool iwl_mvm_has_new_tx_api(struct iwl_mvm *mvm) 1247 { 1248 /* TODO - replace with TLV once defined */ 1249 return mvm->trans->cfg->use_tfh; 1250 } 1251 1252 static inline bool iwl_mvm_has_unified_ucode(struct iwl_mvm *mvm) 1253 { 1254 /* TODO - better define this */ 1255 return mvm->trans->cfg->device_family >= IWL_DEVICE_FAMILY_22000; 1256 } 1257 1258 static inline bool iwl_mvm_is_cdb_supported(struct iwl_mvm *mvm) 1259 { 1260 /* 1261 * TODO: 1262 * The issue of how to determine CDB APIs and usage is still not fully 1263 * defined. 1264 * There is a compilation for CDB and non-CDB FW, but there may 1265 * be also runtime check. 1266 * For now there is a TLV for checking compilation mode, but a 1267 * runtime check will also have to be here - once defined. 1268 */ 1269 return fw_has_capa(&mvm->fw->ucode_capa, 1270 IWL_UCODE_TLV_CAPA_CDB_SUPPORT); 1271 } 1272 1273 static inline bool iwl_mvm_has_new_rx_stats_api(struct iwl_mvm *mvm) 1274 { 1275 return fw_has_api(&mvm->fw->ucode_capa, 1276 IWL_UCODE_TLV_API_NEW_RX_STATS); 1277 } 1278 1279 static inline bool iwl_mvm_has_quota_low_latency(struct iwl_mvm *mvm) 1280 { 1281 return fw_has_api(&mvm->fw->ucode_capa, 1282 IWL_UCODE_TLV_API_QUOTA_LOW_LATENCY); 1283 } 1284 1285 static inline bool iwl_mvm_has_tlc_offload(const struct iwl_mvm *mvm) 1286 { 1287 return fw_has_capa(&mvm->fw->ucode_capa, 1288 IWL_UCODE_TLV_CAPA_TLC_OFFLOAD); 1289 } 1290 1291 static inline struct agg_tx_status * 1292 iwl_mvm_get_agg_status(struct iwl_mvm *mvm, void *tx_resp) 1293 { 1294 if (iwl_mvm_has_new_tx_api(mvm)) 1295 return &((struct iwl_mvm_tx_resp *)tx_resp)->status; 1296 else 1297 return ((struct iwl_mvm_tx_resp_v3 *)tx_resp)->status; 1298 } 1299 1300 static inline bool iwl_mvm_is_tt_in_fw(struct iwl_mvm *mvm) 1301 { 1302 #ifdef CONFIG_THERMAL 1303 /* these two TLV are redundant since the responsibility to CT-kill by 1304 * FW happens only after we send at least one command of 1305 * temperature THs report. 1306 */ 1307 return fw_has_capa(&mvm->fw->ucode_capa, 1308 IWL_UCODE_TLV_CAPA_CT_KILL_BY_FW) && 1309 fw_has_capa(&mvm->fw->ucode_capa, 1310 IWL_UCODE_TLV_CAPA_TEMP_THS_REPORT_SUPPORT); 1311 #else /* CONFIG_THERMAL */ 1312 return false; 1313 #endif /* CONFIG_THERMAL */ 1314 } 1315 1316 static inline bool iwl_mvm_is_ctdp_supported(struct iwl_mvm *mvm) 1317 { 1318 return fw_has_capa(&mvm->fw->ucode_capa, 1319 IWL_UCODE_TLV_CAPA_CTDP_SUPPORT); 1320 } 1321 1322 extern const u8 iwl_mvm_ac_to_tx_fifo[]; 1323 extern const u8 iwl_mvm_ac_to_gen2_tx_fifo[]; 1324 1325 static inline u8 iwl_mvm_mac_ac_to_tx_fifo(struct iwl_mvm *mvm, 1326 enum ieee80211_ac_numbers ac) 1327 { 1328 return iwl_mvm_has_new_tx_api(mvm) ? 1329 iwl_mvm_ac_to_gen2_tx_fifo[ac] : iwl_mvm_ac_to_tx_fifo[ac]; 1330 } 1331 1332 struct iwl_rate_info { 1333 u8 plcp; /* uCode API: IWL_RATE_6M_PLCP, etc. */ 1334 u8 plcp_siso; /* uCode API: IWL_RATE_SISO_6M_PLCP, etc. */ 1335 u8 plcp_mimo2; /* uCode API: IWL_RATE_MIMO2_6M_PLCP, etc. */ 1336 u8 plcp_mimo3; /* uCode API: IWL_RATE_MIMO3_6M_PLCP, etc. */ 1337 u8 ieee; /* MAC header: IWL_RATE_6M_IEEE, etc. */ 1338 }; 1339 1340 void __iwl_mvm_mac_stop(struct iwl_mvm *mvm); 1341 int __iwl_mvm_mac_start(struct iwl_mvm *mvm); 1342 1343 /****************** 1344 * MVM Methods 1345 ******************/ 1346 /* uCode */ 1347 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm); 1348 1349 /* Utils */ 1350 int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags, 1351 enum nl80211_band band); 1352 void iwl_mvm_hwrate_to_tx_rate(u32 rate_n_flags, 1353 enum nl80211_band band, 1354 struct ieee80211_tx_rate *r); 1355 u8 iwl_mvm_mac80211_idx_to_hwrate(int rate_idx); 1356 void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm); 1357 u8 first_antenna(u8 mask); 1358 u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx); 1359 void iwl_mvm_get_sync_time(struct iwl_mvm *mvm, u32 *gp2, u64 *boottime); 1360 1361 /* Tx / Host Commands */ 1362 int __must_check iwl_mvm_send_cmd(struct iwl_mvm *mvm, 1363 struct iwl_host_cmd *cmd); 1364 int __must_check iwl_mvm_send_cmd_pdu(struct iwl_mvm *mvm, u32 id, 1365 u32 flags, u16 len, const void *data); 1366 int __must_check iwl_mvm_send_cmd_status(struct iwl_mvm *mvm, 1367 struct iwl_host_cmd *cmd, 1368 u32 *status); 1369 int __must_check iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u32 id, 1370 u16 len, const void *data, 1371 u32 *status); 1372 int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb, 1373 struct ieee80211_sta *sta); 1374 int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb); 1375 void iwl_mvm_set_tx_cmd(struct iwl_mvm *mvm, struct sk_buff *skb, 1376 struct iwl_tx_cmd *tx_cmd, 1377 struct ieee80211_tx_info *info, u8 sta_id); 1378 void iwl_mvm_set_tx_cmd_rate(struct iwl_mvm *mvm, struct iwl_tx_cmd *tx_cmd, 1379 struct ieee80211_tx_info *info, 1380 struct ieee80211_sta *sta, __le16 fc); 1381 #ifdef CONFIG_IWLWIFI_DEBUG 1382 const char *iwl_mvm_get_tx_fail_reason(u32 status); 1383 #else 1384 static inline const char *iwl_mvm_get_tx_fail_reason(u32 status) { return ""; } 1385 #endif 1386 int iwl_mvm_flush_tx_path(struct iwl_mvm *mvm, u32 tfd_msk, u32 flags); 1387 int iwl_mvm_flush_sta(struct iwl_mvm *mvm, void *sta, bool internal, u32 flags); 1388 int iwl_mvm_flush_sta_tids(struct iwl_mvm *mvm, u32 sta_id, 1389 u16 tids, u32 flags); 1390 1391 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm); 1392 1393 static inline void iwl_mvm_set_tx_cmd_ccmp(struct ieee80211_tx_info *info, 1394 struct iwl_tx_cmd *tx_cmd) 1395 { 1396 struct ieee80211_key_conf *keyconf = info->control.hw_key; 1397 1398 tx_cmd->sec_ctl = TX_CMD_SEC_CCM; 1399 memcpy(tx_cmd->key, keyconf->key, keyconf->keylen); 1400 } 1401 1402 static inline void iwl_mvm_wait_for_async_handlers(struct iwl_mvm *mvm) 1403 { 1404 flush_work(&mvm->async_handlers_wk); 1405 } 1406 1407 /* Statistics */ 1408 void iwl_mvm_handle_rx_statistics(struct iwl_mvm *mvm, 1409 struct iwl_rx_packet *pkt); 1410 void iwl_mvm_rx_statistics(struct iwl_mvm *mvm, 1411 struct iwl_rx_cmd_buffer *rxb); 1412 int iwl_mvm_request_statistics(struct iwl_mvm *mvm, bool clear); 1413 void iwl_mvm_accu_radio_stats(struct iwl_mvm *mvm); 1414 1415 /* NVM */ 1416 int iwl_nvm_init(struct iwl_mvm *mvm); 1417 int iwl_mvm_load_nvm_to_nic(struct iwl_mvm *mvm); 1418 int iwl_mvm_read_external_nvm(struct iwl_mvm *mvm); 1419 1420 static inline u8 iwl_mvm_get_valid_tx_ant(struct iwl_mvm *mvm) 1421 { 1422 return mvm->nvm_data && mvm->nvm_data->valid_tx_ant ? 1423 mvm->fw->valid_tx_ant & mvm->nvm_data->valid_tx_ant : 1424 mvm->fw->valid_tx_ant; 1425 } 1426 1427 static inline u8 iwl_mvm_get_valid_rx_ant(struct iwl_mvm *mvm) 1428 { 1429 return mvm->nvm_data && mvm->nvm_data->valid_rx_ant ? 1430 mvm->fw->valid_rx_ant & mvm->nvm_data->valid_rx_ant : 1431 mvm->fw->valid_rx_ant; 1432 } 1433 1434 static inline u32 iwl_mvm_get_phy_config(struct iwl_mvm *mvm) 1435 { 1436 u32 phy_config = ~(FW_PHY_CFG_TX_CHAIN | 1437 FW_PHY_CFG_RX_CHAIN); 1438 u32 valid_rx_ant = iwl_mvm_get_valid_rx_ant(mvm); 1439 u32 valid_tx_ant = iwl_mvm_get_valid_tx_ant(mvm); 1440 1441 phy_config |= valid_tx_ant << FW_PHY_CFG_TX_CHAIN_POS | 1442 valid_rx_ant << FW_PHY_CFG_RX_CHAIN_POS; 1443 1444 return mvm->fw->phy_config & phy_config; 1445 } 1446 1447 int iwl_mvm_up(struct iwl_mvm *mvm); 1448 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm); 1449 1450 int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm); 1451 bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm, 1452 struct iwl_bcast_filter_cmd *cmd); 1453 1454 /* 1455 * FW notifications / CMD responses handlers 1456 * Convention: iwl_mvm_rx_<NAME OF THE CMD> 1457 */ 1458 void iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 1459 void iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct napi_struct *napi, 1460 struct iwl_rx_cmd_buffer *rxb); 1461 void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi, 1462 struct iwl_rx_cmd_buffer *rxb, int queue); 1463 void iwl_mvm_rx_frame_release(struct iwl_mvm *mvm, struct napi_struct *napi, 1464 struct iwl_rx_cmd_buffer *rxb, int queue); 1465 int iwl_mvm_notify_rx_queue(struct iwl_mvm *mvm, u32 rxq_mask, 1466 const u8 *data, u32 count); 1467 void iwl_mvm_rx_queue_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, 1468 int queue); 1469 void iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 1470 void iwl_mvm_mfu_assert_dump_notif(struct iwl_mvm *mvm, 1471 struct iwl_rx_cmd_buffer *rxb); 1472 void iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 1473 void iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm, 1474 struct iwl_rx_cmd_buffer *rxb); 1475 void iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 1476 void iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm, 1477 struct iwl_rx_cmd_buffer *rxb); 1478 void iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm, 1479 struct iwl_rx_cmd_buffer *rxb); 1480 void iwl_mvm_rx_shared_mem_cfg_notif(struct iwl_mvm *mvm, 1481 struct iwl_rx_cmd_buffer *rxb); 1482 1483 /* MVM PHY */ 1484 int iwl_mvm_phy_ctxt_add(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt, 1485 struct cfg80211_chan_def *chandef, 1486 u8 chains_static, u8 chains_dynamic); 1487 int iwl_mvm_phy_ctxt_changed(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt, 1488 struct cfg80211_chan_def *chandef, 1489 u8 chains_static, u8 chains_dynamic); 1490 void iwl_mvm_phy_ctxt_ref(struct iwl_mvm *mvm, 1491 struct iwl_mvm_phy_ctxt *ctxt); 1492 void iwl_mvm_phy_ctxt_unref(struct iwl_mvm *mvm, 1493 struct iwl_mvm_phy_ctxt *ctxt); 1494 int iwl_mvm_phy_ctx_count(struct iwl_mvm *mvm); 1495 u8 iwl_mvm_get_channel_width(struct cfg80211_chan_def *chandef); 1496 u8 iwl_mvm_get_ctrl_pos(struct cfg80211_chan_def *chandef); 1497 1498 /* MAC (virtual interface) programming */ 1499 int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif); 1500 int iwl_mvm_mac_ctxt_add(struct iwl_mvm *mvm, struct ieee80211_vif *vif); 1501 int iwl_mvm_mac_ctxt_changed(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1502 bool force_assoc_off, const u8 *bssid_override); 1503 int iwl_mvm_mac_ctxt_remove(struct iwl_mvm *mvm, struct ieee80211_vif *vif); 1504 u32 iwl_mvm_mac_get_queues_mask(struct ieee80211_vif *vif); 1505 int iwl_mvm_mac_ctxt_beacon_changed(struct iwl_mvm *mvm, 1506 struct ieee80211_vif *vif); 1507 void iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm, 1508 struct iwl_rx_cmd_buffer *rxb); 1509 void iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm, 1510 struct iwl_rx_cmd_buffer *rxb); 1511 void iwl_mvm_rx_stored_beacon_notif(struct iwl_mvm *mvm, 1512 struct iwl_rx_cmd_buffer *rxb); 1513 void iwl_mvm_mu_mimo_grp_notif(struct iwl_mvm *mvm, 1514 struct iwl_rx_cmd_buffer *rxb); 1515 void iwl_mvm_sta_pm_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 1516 void iwl_mvm_window_status_notif(struct iwl_mvm *mvm, 1517 struct iwl_rx_cmd_buffer *rxb); 1518 void iwl_mvm_mac_ctxt_recalc_tsf_id(struct iwl_mvm *mvm, 1519 struct ieee80211_vif *vif); 1520 unsigned long iwl_mvm_get_used_hw_queues(struct iwl_mvm *mvm, 1521 struct ieee80211_vif *exclude_vif); 1522 void iwl_mvm_channel_switch_noa_notif(struct iwl_mvm *mvm, 1523 struct iwl_rx_cmd_buffer *rxb); 1524 /* Bindings */ 1525 int iwl_mvm_binding_add_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif); 1526 int iwl_mvm_binding_remove_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif); 1527 1528 /* Quota management */ 1529 static inline size_t iwl_mvm_quota_cmd_size(struct iwl_mvm *mvm) 1530 { 1531 return iwl_mvm_has_quota_low_latency(mvm) ? 1532 sizeof(struct iwl_time_quota_cmd) : 1533 sizeof(struct iwl_time_quota_cmd_v1); 1534 } 1535 1536 static inline struct iwl_time_quota_data 1537 *iwl_mvm_quota_cmd_get_quota(struct iwl_mvm *mvm, 1538 struct iwl_time_quota_cmd *cmd, 1539 int i) 1540 { 1541 struct iwl_time_quota_data_v1 *quotas; 1542 1543 if (iwl_mvm_has_quota_low_latency(mvm)) 1544 return &cmd->quotas[i]; 1545 1546 quotas = (struct iwl_time_quota_data_v1 *)cmd->quotas; 1547 return (struct iwl_time_quota_data *)"as[i]; 1548 } 1549 1550 int iwl_mvm_update_quotas(struct iwl_mvm *mvm, bool force_upload, 1551 struct ieee80211_vif *disabled_vif); 1552 1553 /* Scanning */ 1554 int iwl_mvm_reg_scan_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1555 struct cfg80211_scan_request *req, 1556 struct ieee80211_scan_ies *ies); 1557 int iwl_mvm_scan_size(struct iwl_mvm *mvm); 1558 int iwl_mvm_scan_stop(struct iwl_mvm *mvm, int type, bool notify); 1559 int iwl_mvm_max_scan_ie_len(struct iwl_mvm *mvm); 1560 void iwl_mvm_report_scan_aborted(struct iwl_mvm *mvm); 1561 void iwl_mvm_scan_timeout_wk(struct work_struct *work); 1562 1563 /* Scheduled scan */ 1564 void iwl_mvm_rx_lmac_scan_complete_notif(struct iwl_mvm *mvm, 1565 struct iwl_rx_cmd_buffer *rxb); 1566 void iwl_mvm_rx_lmac_scan_iter_complete_notif(struct iwl_mvm *mvm, 1567 struct iwl_rx_cmd_buffer *rxb); 1568 int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm, 1569 struct ieee80211_vif *vif, 1570 struct cfg80211_sched_scan_request *req, 1571 struct ieee80211_scan_ies *ies, 1572 int type); 1573 void iwl_mvm_rx_scan_match_found(struct iwl_mvm *mvm, 1574 struct iwl_rx_cmd_buffer *rxb); 1575 1576 /* UMAC scan */ 1577 int iwl_mvm_config_scan(struct iwl_mvm *mvm); 1578 void iwl_mvm_rx_umac_scan_complete_notif(struct iwl_mvm *mvm, 1579 struct iwl_rx_cmd_buffer *rxb); 1580 void iwl_mvm_rx_umac_scan_iter_complete_notif(struct iwl_mvm *mvm, 1581 struct iwl_rx_cmd_buffer *rxb); 1582 1583 /* MVM debugfs */ 1584 #ifdef CONFIG_IWLWIFI_DEBUGFS 1585 int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir); 1586 void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif); 1587 void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif); 1588 #else 1589 static inline int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, 1590 struct dentry *dbgfs_dir) 1591 { 1592 return 0; 1593 } 1594 static inline void 1595 iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif) 1596 { 1597 } 1598 static inline void 1599 iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif) 1600 { 1601 } 1602 #endif /* CONFIG_IWLWIFI_DEBUGFS */ 1603 1604 /* rate scaling */ 1605 int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool init); 1606 void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm, u32 rate, bool agg); 1607 int rs_pretty_print_rate(char *buf, int bufsz, const u32 rate); 1608 void rs_update_last_rssi(struct iwl_mvm *mvm, 1609 struct iwl_mvm_sta *mvmsta, 1610 struct ieee80211_rx_status *rx_status); 1611 1612 /* power management */ 1613 int iwl_mvm_power_update_device(struct iwl_mvm *mvm); 1614 int iwl_mvm_power_update_mac(struct iwl_mvm *mvm); 1615 int iwl_mvm_power_update_ps(struct iwl_mvm *mvm); 1616 int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1617 char *buf, int bufsz); 1618 1619 void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif); 1620 void iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm, 1621 struct iwl_rx_cmd_buffer *rxb); 1622 1623 #ifdef CONFIG_IWLWIFI_LEDS 1624 int iwl_mvm_leds_init(struct iwl_mvm *mvm); 1625 void iwl_mvm_leds_exit(struct iwl_mvm *mvm); 1626 void iwl_mvm_leds_sync(struct iwl_mvm *mvm); 1627 #else 1628 static inline int iwl_mvm_leds_init(struct iwl_mvm *mvm) 1629 { 1630 return 0; 1631 } 1632 static inline void iwl_mvm_leds_exit(struct iwl_mvm *mvm) 1633 { 1634 } 1635 static inline void iwl_mvm_leds_sync(struct iwl_mvm *mvm) 1636 { 1637 } 1638 #endif 1639 1640 /* D3 (WoWLAN, NetDetect) */ 1641 int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan); 1642 int iwl_mvm_resume(struct ieee80211_hw *hw); 1643 void iwl_mvm_set_wakeup(struct ieee80211_hw *hw, bool enabled); 1644 void iwl_mvm_set_rekey_data(struct ieee80211_hw *hw, 1645 struct ieee80211_vif *vif, 1646 struct cfg80211_gtk_rekey_data *data); 1647 void iwl_mvm_ipv6_addr_change(struct ieee80211_hw *hw, 1648 struct ieee80211_vif *vif, 1649 struct inet6_dev *idev); 1650 void iwl_mvm_set_default_unicast_key(struct ieee80211_hw *hw, 1651 struct ieee80211_vif *vif, int idx); 1652 extern const struct file_operations iwl_dbgfs_d3_test_ops; 1653 #ifdef CONFIG_PM 1654 int iwl_mvm_wowlan_config_key_params(struct iwl_mvm *mvm, 1655 struct ieee80211_vif *vif, 1656 bool host_awake, 1657 u32 cmd_flags); 1658 void iwl_mvm_d0i3_update_keys(struct iwl_mvm *mvm, 1659 struct ieee80211_vif *vif, 1660 struct iwl_wowlan_status *status); 1661 void iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm, 1662 struct ieee80211_vif *vif); 1663 #else 1664 static inline int iwl_mvm_wowlan_config_key_params(struct iwl_mvm *mvm, 1665 struct ieee80211_vif *vif, 1666 bool host_awake, 1667 u32 cmd_flags) 1668 { 1669 return 0; 1670 } 1671 1672 static inline void iwl_mvm_d0i3_update_keys(struct iwl_mvm *mvm, 1673 struct ieee80211_vif *vif, 1674 struct iwl_wowlan_status *status) 1675 { 1676 } 1677 1678 static inline void 1679 iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm, struct ieee80211_vif *vif) 1680 { 1681 } 1682 #endif 1683 void iwl_mvm_set_wowlan_qos_seq(struct iwl_mvm_sta *mvm_ap_sta, 1684 struct iwl_wowlan_config_cmd *cmd); 1685 int iwl_mvm_send_proto_offload(struct iwl_mvm *mvm, 1686 struct ieee80211_vif *vif, 1687 bool disable_offloading, 1688 bool offload_ns, 1689 u32 cmd_flags); 1690 1691 /* D0i3 */ 1692 void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type); 1693 void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type); 1694 int iwl_mvm_ref_sync(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type); 1695 bool iwl_mvm_ref_taken(struct iwl_mvm *mvm); 1696 void iwl_mvm_d0i3_enable_tx(struct iwl_mvm *mvm, __le16 *qos_seq); 1697 int iwl_mvm_enter_d0i3(struct iwl_op_mode *op_mode); 1698 int iwl_mvm_exit_d0i3(struct iwl_op_mode *op_mode); 1699 int _iwl_mvm_exit_d0i3(struct iwl_mvm *mvm); 1700 1701 /* BT Coex */ 1702 int iwl_mvm_send_bt_init_conf(struct iwl_mvm *mvm); 1703 void iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm, 1704 struct iwl_rx_cmd_buffer *rxb); 1705 void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1706 enum ieee80211_rssi_event_data); 1707 void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm); 1708 u16 iwl_mvm_coex_agg_time_limit(struct iwl_mvm *mvm, 1709 struct ieee80211_sta *sta); 1710 bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm, 1711 struct ieee80211_sta *sta); 1712 bool iwl_mvm_bt_coex_is_ant_avail(struct iwl_mvm *mvm, u8 ant); 1713 bool iwl_mvm_bt_coex_is_shared_ant_avail(struct iwl_mvm *mvm); 1714 bool iwl_mvm_bt_coex_is_tpc_allowed(struct iwl_mvm *mvm, 1715 enum nl80211_band band); 1716 u8 iwl_mvm_bt_coex_tx_prio(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr, 1717 struct ieee80211_tx_info *info, u8 ac); 1718 1719 /* beacon filtering */ 1720 #ifdef CONFIG_IWLWIFI_DEBUGFS 1721 void 1722 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif, 1723 struct iwl_beacon_filter_cmd *cmd); 1724 #else 1725 static inline void 1726 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif, 1727 struct iwl_beacon_filter_cmd *cmd) 1728 {} 1729 #endif 1730 int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm, 1731 struct ieee80211_vif *vif, 1732 bool enable, u32 flags); 1733 int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm, 1734 struct ieee80211_vif *vif, 1735 u32 flags); 1736 int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm, 1737 struct ieee80211_vif *vif, 1738 u32 flags); 1739 /* SMPS */ 1740 void iwl_mvm_update_smps(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1741 enum iwl_mvm_smps_type_request req_type, 1742 enum ieee80211_smps_mode smps_request); 1743 bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm *mvm); 1744 1745 /* Low latency */ 1746 int iwl_mvm_update_low_latency(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1747 bool value); 1748 /* get SystemLowLatencyMode - only needed for beacon threshold? */ 1749 bool iwl_mvm_low_latency(struct iwl_mvm *mvm); 1750 /* get VMACLowLatencyMode */ 1751 static inline bool iwl_mvm_vif_low_latency(struct iwl_mvm_vif *mvmvif) 1752 { 1753 /* 1754 * should this consider associated/active/... state? 1755 * 1756 * Normally low-latency should only be active on interfaces 1757 * that are active, but at least with debugfs it can also be 1758 * enabled on interfaces that aren't active. However, when 1759 * interface aren't active then they aren't added into the 1760 * binding, so this has no real impact. For now, just return 1761 * the current desired low-latency state. 1762 */ 1763 return mvmvif->low_latency_dbgfs || 1764 mvmvif->low_latency_traffic || 1765 mvmvif->low_latency_vcmd; 1766 } 1767 1768 /* hw scheduler queue config */ 1769 bool iwl_mvm_enable_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue, 1770 u16 ssn, const struct iwl_trans_txq_scd_cfg *cfg, 1771 unsigned int wdg_timeout); 1772 int iwl_mvm_tvqm_enable_txq(struct iwl_mvm *mvm, int mac80211_queue, 1773 u8 sta_id, u8 tid, unsigned int timeout); 1774 1775 int iwl_mvm_disable_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue, 1776 u8 tid, u8 flags); 1777 int iwl_mvm_find_free_queue(struct iwl_mvm *mvm, u8 sta_id, u8 minq, u8 maxq); 1778 1779 /* Return a bitmask with all the hw supported queues, except for the 1780 * command queue, which can't be flushed. 1781 */ 1782 static inline u32 iwl_mvm_flushable_queues(struct iwl_mvm *mvm) 1783 { 1784 return ((BIT(mvm->cfg->base_params->num_of_queues) - 1) & 1785 ~BIT(IWL_MVM_DQA_CMD_QUEUE)); 1786 } 1787 1788 static inline void iwl_mvm_stop_device(struct iwl_mvm *mvm) 1789 { 1790 iwl_fw_cancel_timestamp(&mvm->fwrt); 1791 iwl_free_fw_paging(&mvm->fwrt); 1792 clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); 1793 iwl_fw_dump_conf_clear(&mvm->fwrt); 1794 iwl_trans_stop_device(mvm->trans); 1795 } 1796 1797 /* Stop/start all mac queues in a given bitmap */ 1798 void iwl_mvm_start_mac_queues(struct iwl_mvm *mvm, unsigned long mq); 1799 void iwl_mvm_stop_mac_queues(struct iwl_mvm *mvm, unsigned long mq); 1800 1801 /* Re-configure the SCD for a queue that has already been configured */ 1802 int iwl_mvm_reconfig_scd(struct iwl_mvm *mvm, int queue, int fifo, int sta_id, 1803 int tid, int frame_limit, u16 ssn); 1804 1805 /* Thermal management and CT-kill */ 1806 void iwl_mvm_tt_tx_backoff(struct iwl_mvm *mvm, u32 backoff); 1807 void iwl_mvm_tt_temp_changed(struct iwl_mvm *mvm, u32 temp); 1808 void iwl_mvm_temp_notif(struct iwl_mvm *mvm, 1809 struct iwl_rx_cmd_buffer *rxb); 1810 void iwl_mvm_tt_handler(struct iwl_mvm *mvm); 1811 void iwl_mvm_thermal_initialize(struct iwl_mvm *mvm, u32 min_backoff); 1812 void iwl_mvm_thermal_exit(struct iwl_mvm *mvm); 1813 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state); 1814 int iwl_mvm_get_temp(struct iwl_mvm *mvm, s32 *temp); 1815 void iwl_mvm_ct_kill_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 1816 void iwl_mvm_enter_ctkill(struct iwl_mvm *mvm); 1817 int iwl_mvm_send_temp_report_ths_cmd(struct iwl_mvm *mvm); 1818 int iwl_mvm_ctdp_command(struct iwl_mvm *mvm, u32 op, u32 budget); 1819 1820 /* Location Aware Regulatory */ 1821 struct iwl_mcc_update_resp * 1822 iwl_mvm_update_mcc(struct iwl_mvm *mvm, const char *alpha2, 1823 enum iwl_mcc_source src_id); 1824 int iwl_mvm_init_mcc(struct iwl_mvm *mvm); 1825 void iwl_mvm_rx_chub_update_mcc(struct iwl_mvm *mvm, 1826 struct iwl_rx_cmd_buffer *rxb); 1827 struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy, 1828 const char *alpha2, 1829 enum iwl_mcc_source src_id, 1830 bool *changed); 1831 struct ieee80211_regdomain *iwl_mvm_get_current_regdomain(struct iwl_mvm *mvm, 1832 bool *changed); 1833 int iwl_mvm_init_fw_regd(struct iwl_mvm *mvm); 1834 void iwl_mvm_update_changed_regdom(struct iwl_mvm *mvm); 1835 1836 /* smart fifo */ 1837 int iwl_mvm_sf_update(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1838 bool added_vif); 1839 1840 /* TDLS */ 1841 1842 /* 1843 * We use TID 4 (VI) as a FW-used-only TID when TDLS connections are present. 1844 * This TID is marked as used vs the AP and all connected TDLS peers. 1845 */ 1846 #define IWL_MVM_TDLS_FW_TID 4 1847 1848 int iwl_mvm_tdls_sta_count(struct iwl_mvm *mvm, struct ieee80211_vif *vif); 1849 void iwl_mvm_teardown_tdls_peers(struct iwl_mvm *mvm); 1850 void iwl_mvm_recalc_tdls_state(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1851 bool sta_added); 1852 void iwl_mvm_mac_mgd_protect_tdls_discover(struct ieee80211_hw *hw, 1853 struct ieee80211_vif *vif); 1854 int iwl_mvm_tdls_channel_switch(struct ieee80211_hw *hw, 1855 struct ieee80211_vif *vif, 1856 struct ieee80211_sta *sta, u8 oper_class, 1857 struct cfg80211_chan_def *chandef, 1858 struct sk_buff *tmpl_skb, u32 ch_sw_tm_ie); 1859 void iwl_mvm_tdls_recv_channel_switch(struct ieee80211_hw *hw, 1860 struct ieee80211_vif *vif, 1861 struct ieee80211_tdls_ch_sw_params *params); 1862 void iwl_mvm_tdls_cancel_channel_switch(struct ieee80211_hw *hw, 1863 struct ieee80211_vif *vif, 1864 struct ieee80211_sta *sta); 1865 void iwl_mvm_rx_tdls_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 1866 void iwl_mvm_tdls_ch_switch_work(struct work_struct *work); 1867 1868 void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm *mvm, 1869 struct iwl_mvm_internal_rxq_notif *notif, 1870 u32 size); 1871 void iwl_mvm_reorder_timer_expired(struct timer_list *t); 1872 struct ieee80211_vif *iwl_mvm_get_bss_vif(struct iwl_mvm *mvm); 1873 bool iwl_mvm_is_vif_assoc(struct iwl_mvm *mvm); 1874 1875 void iwl_mvm_inactivity_check(struct iwl_mvm *mvm); 1876 1877 void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error); 1878 unsigned int iwl_mvm_get_wd_timeout(struct iwl_mvm *mvm, 1879 struct ieee80211_vif *vif, 1880 bool tdls, bool cmd_q); 1881 void iwl_mvm_connection_loss(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1882 const char *errmsg); 1883 void iwl_mvm_event_frame_timeout_callback(struct iwl_mvm *mvm, 1884 struct ieee80211_vif *vif, 1885 const struct ieee80211_sta *sta, 1886 u16 tid); 1887 1888 int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a, int prof_b); 1889 int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm); 1890 #ifdef CONFIG_IWLWIFI_DEBUGFS 1891 void iwl_mvm_sta_add_debugfs(struct ieee80211_hw *hw, 1892 struct ieee80211_vif *vif, 1893 struct ieee80211_sta *sta, 1894 struct dentry *dir); 1895 #endif 1896 1897 #endif /* __IWL_MVM_H__ */ 1898