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 94 #define IWL_MVM_MAX_ADDRESSES 5 95 /* RSSI offset for WkP */ 96 #define IWL_RSSI_OFFSET 50 97 #define IWL_MVM_MISSED_BEACONS_THRESHOLD 8 98 /* A TimeUnit is 1024 microsecond */ 99 #define MSEC_TO_TU(_msec) (_msec*1000/1024) 100 101 /* For GO, this value represents the number of TUs before CSA "beacon 102 * 0" TBTT when the CSA time-event needs to be scheduled to start. It 103 * must be big enough to ensure that we switch in time. 104 */ 105 #define IWL_MVM_CHANNEL_SWITCH_TIME_GO 40 106 107 /* For client, this value represents the number of TUs before CSA 108 * "beacon 1" TBTT, instead. This is because we don't know when the 109 * GO/AP will be in the new channel, so we switch early enough. 110 */ 111 #define IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT 10 112 113 /* 114 * This value (in TUs) is used to fine tune the CSA NoA end time which should 115 * be just before "beacon 0" TBTT. 116 */ 117 #define IWL_MVM_CHANNEL_SWITCH_MARGIN 4 118 119 /* 120 * Number of beacons to transmit on a new channel until we unblock tx to 121 * the stations, even if we didn't identify them on a new channel 122 */ 123 #define IWL_MVM_CS_UNBLOCK_TX_TIMEOUT 3 124 125 /* offchannel queue towards mac80211 */ 126 #define IWL_MVM_OFFCHANNEL_QUEUE 0 127 128 extern const struct ieee80211_ops iwl_mvm_hw_ops; 129 130 /** 131 * struct iwl_mvm_mod_params - module parameters for iwlmvm 132 * @init_dbg: if true, then the NIC won't be stopped if the INIT fw asserted. 133 * We will register to mac80211 to have testmode working. The NIC must not 134 * be up'ed after the INIT fw asserted. This is useful to be able to use 135 * proprietary tools over testmode to debug the INIT fw. 136 * @tfd_q_hang_detect: enabled the detection of hung transmit queues 137 * @power_scheme: one of enum iwl_power_scheme 138 */ 139 struct iwl_mvm_mod_params { 140 bool init_dbg; 141 bool tfd_q_hang_detect; 142 int power_scheme; 143 }; 144 extern struct iwl_mvm_mod_params iwlmvm_mod_params; 145 146 struct iwl_mvm_phy_ctxt { 147 u16 id; 148 u16 color; 149 u32 ref; 150 151 enum nl80211_chan_width width; 152 153 /* 154 * TODO: This should probably be removed. Currently here only for rate 155 * scaling algorithm 156 */ 157 struct ieee80211_channel *channel; 158 }; 159 160 struct iwl_mvm_time_event_data { 161 struct ieee80211_vif *vif; 162 struct list_head list; 163 unsigned long end_jiffies; 164 u32 duration; 165 bool running; 166 u32 uid; 167 168 /* 169 * The access to the 'id' field must be done when the 170 * mvm->time_event_lock is held, as it value is used to indicate 171 * if the te is in the time event list or not (when id == TE_MAX) 172 */ 173 u32 id; 174 }; 175 176 /* Power management */ 177 178 /** 179 * enum iwl_power_scheme 180 * @IWL_POWER_LEVEL_CAM - Continuously Active Mode 181 * @IWL_POWER_LEVEL_BPS - Balanced Power Save (default) 182 * @IWL_POWER_LEVEL_LP - Low Power 183 */ 184 enum iwl_power_scheme { 185 IWL_POWER_SCHEME_CAM = 1, 186 IWL_POWER_SCHEME_BPS, 187 IWL_POWER_SCHEME_LP 188 }; 189 190 #define IWL_CONN_MAX_LISTEN_INTERVAL 10 191 #define IWL_UAPSD_MAX_SP IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 192 193 #ifdef CONFIG_IWLWIFI_DEBUGFS 194 enum iwl_dbgfs_pm_mask { 195 MVM_DEBUGFS_PM_KEEP_ALIVE = BIT(0), 196 MVM_DEBUGFS_PM_SKIP_OVER_DTIM = BIT(1), 197 MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS = BIT(2), 198 MVM_DEBUGFS_PM_RX_DATA_TIMEOUT = BIT(3), 199 MVM_DEBUGFS_PM_TX_DATA_TIMEOUT = BIT(4), 200 MVM_DEBUGFS_PM_LPRX_ENA = BIT(6), 201 MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD = BIT(7), 202 MVM_DEBUGFS_PM_SNOOZE_ENABLE = BIT(8), 203 MVM_DEBUGFS_PM_UAPSD_MISBEHAVING = BIT(9), 204 MVM_DEBUGFS_PM_USE_PS_POLL = BIT(10), 205 }; 206 207 struct iwl_dbgfs_pm { 208 u16 keep_alive_seconds; 209 u32 rx_data_timeout; 210 u32 tx_data_timeout; 211 bool skip_over_dtim; 212 u8 skip_dtim_periods; 213 bool lprx_ena; 214 u32 lprx_rssi_threshold; 215 bool snooze_ena; 216 bool uapsd_misbehaving; 217 bool use_ps_poll; 218 int mask; 219 }; 220 221 /* beacon filtering */ 222 223 enum iwl_dbgfs_bf_mask { 224 MVM_DEBUGFS_BF_ENERGY_DELTA = BIT(0), 225 MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA = BIT(1), 226 MVM_DEBUGFS_BF_ROAMING_STATE = BIT(2), 227 MVM_DEBUGFS_BF_TEMP_THRESHOLD = BIT(3), 228 MVM_DEBUGFS_BF_TEMP_FAST_FILTER = BIT(4), 229 MVM_DEBUGFS_BF_TEMP_SLOW_FILTER = BIT(5), 230 MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER = BIT(6), 231 MVM_DEBUGFS_BF_DEBUG_FLAG = BIT(7), 232 MVM_DEBUGFS_BF_ESCAPE_TIMER = BIT(8), 233 MVM_DEBUGFS_BA_ESCAPE_TIMER = BIT(9), 234 MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT = BIT(10), 235 }; 236 237 struct iwl_dbgfs_bf { 238 u32 bf_energy_delta; 239 u32 bf_roaming_energy_delta; 240 u32 bf_roaming_state; 241 u32 bf_temp_threshold; 242 u32 bf_temp_fast_filter; 243 u32 bf_temp_slow_filter; 244 u32 bf_enable_beacon_filter; 245 u32 bf_debug_flag; 246 u32 bf_escape_timer; 247 u32 ba_escape_timer; 248 u32 ba_enable_beacon_abort; 249 int mask; 250 }; 251 #endif 252 253 enum iwl_mvm_smps_type_request { 254 IWL_MVM_SMPS_REQ_BT_COEX, 255 IWL_MVM_SMPS_REQ_TT, 256 IWL_MVM_SMPS_REQ_PROT, 257 NUM_IWL_MVM_SMPS_REQ, 258 }; 259 260 enum iwl_mvm_ref_type { 261 IWL_MVM_REF_UCODE_DOWN, 262 IWL_MVM_REF_SCAN, 263 IWL_MVM_REF_ROC, 264 IWL_MVM_REF_ROC_AUX, 265 IWL_MVM_REF_P2P_CLIENT, 266 IWL_MVM_REF_AP_IBSS, 267 IWL_MVM_REF_USER, 268 IWL_MVM_REF_TX, 269 IWL_MVM_REF_TX_AGG, 270 IWL_MVM_REF_ADD_IF, 271 IWL_MVM_REF_START_AP, 272 IWL_MVM_REF_BSS_CHANGED, 273 IWL_MVM_REF_PREPARE_TX, 274 IWL_MVM_REF_PROTECT_TDLS, 275 IWL_MVM_REF_CHECK_CTKILL, 276 IWL_MVM_REF_PRPH_READ, 277 IWL_MVM_REF_PRPH_WRITE, 278 IWL_MVM_REF_NMI, 279 IWL_MVM_REF_TM_CMD, 280 IWL_MVM_REF_EXIT_WORK, 281 IWL_MVM_REF_PROTECT_CSA, 282 IWL_MVM_REF_FW_DBG_COLLECT, 283 IWL_MVM_REF_INIT_UCODE, 284 IWL_MVM_REF_SENDING_CMD, 285 IWL_MVM_REF_RX, 286 287 /* update debugfs.c when changing this */ 288 289 IWL_MVM_REF_COUNT, 290 }; 291 292 enum iwl_bt_force_ant_mode { 293 BT_FORCE_ANT_DIS = 0, 294 BT_FORCE_ANT_AUTO, 295 BT_FORCE_ANT_BT, 296 BT_FORCE_ANT_WIFI, 297 298 BT_FORCE_ANT_MAX, 299 }; 300 301 /** 302 * struct iwl_mvm_vif_bf_data - beacon filtering related data 303 * @bf_enabled: indicates if beacon filtering is enabled 304 * @ba_enabled: indicated if beacon abort is enabled 305 * @ave_beacon_signal: average beacon signal 306 * @last_cqm_event: rssi of the last cqm event 307 * @bt_coex_min_thold: minimum threshold for BT coex 308 * @bt_coex_max_thold: maximum threshold for BT coex 309 * @last_bt_coex_event: rssi of the last BT coex event 310 */ 311 struct iwl_mvm_vif_bf_data { 312 bool bf_enabled; 313 bool ba_enabled; 314 int ave_beacon_signal; 315 int last_cqm_event; 316 int bt_coex_min_thold; 317 int bt_coex_max_thold; 318 int last_bt_coex_event; 319 }; 320 321 /** 322 * struct iwl_mvm_vif - data per Virtual Interface, it is a MAC context 323 * @id: between 0 and 3 324 * @color: to solve races upon MAC addition and removal 325 * @ap_sta_id: the sta_id of the AP - valid only if VIF type is STA 326 * @bssid: BSSID for this (client) interface 327 * @associated: indicates that we're currently associated, used only for 328 * managing the firmware state in iwl_mvm_bss_info_changed_station() 329 * @ap_assoc_sta_count: count of stations associated to us - valid only 330 * if VIF type is AP 331 * @uploaded: indicates the MAC context has been added to the device 332 * @ap_ibss_active: indicates that AP/IBSS is configured and that the interface 333 * should get quota etc. 334 * @pm_enabled - Indicate if MAC power management is allowed 335 * @monitor_active: indicates that monitor context is configured, and that the 336 * interface should get quota etc. 337 * @low_latency_traffic: indicates low latency traffic was detected 338 * @low_latency_dbgfs: low latency mode set from debugfs 339 * @low_latency_vcmd: low latency mode set from vendor command 340 * @ps_disabled: indicates that this interface requires PS to be disabled 341 * @queue_params: QoS params for this MAC 342 * @bcast_sta: station used for broadcast packets. Used by the following 343 * vifs: P2P_DEVICE, GO and AP. 344 * @beacon_skb: the skb used to hold the AP/GO beacon template 345 * @smps_requests: the SMPS requests of different parts of the driver, 346 * combined on update to yield the overall request to mac80211. 347 * @beacon_stats: beacon statistics, containing the # of received beacons, 348 * # of received beacons accumulated over FW restart, and the current 349 * average signal of beacons retrieved from the firmware 350 * @csa_failed: CSA failed to schedule time event, report an error later 351 * @features: hw features active for this vif 352 */ 353 struct iwl_mvm_vif { 354 struct iwl_mvm *mvm; 355 u16 id; 356 u16 color; 357 u8 ap_sta_id; 358 359 u8 bssid[ETH_ALEN]; 360 bool associated; 361 u8 ap_assoc_sta_count; 362 363 u16 cab_queue; 364 365 bool uploaded; 366 bool ap_ibss_active; 367 bool pm_enabled; 368 bool monitor_active; 369 bool low_latency_traffic, low_latency_dbgfs, low_latency_vcmd; 370 bool ps_disabled; 371 struct iwl_mvm_vif_bf_data bf_data; 372 373 struct { 374 u32 num_beacons, accu_num_beacons; 375 u8 avg_signal; 376 } beacon_stats; 377 378 u32 ap_beacon_time; 379 380 enum iwl_tsf_id tsf_id; 381 382 /* 383 * QoS data from mac80211, need to store this here 384 * as mac80211 has a separate callback but we need 385 * to have the data for the MAC context 386 */ 387 struct ieee80211_tx_queue_params queue_params[IEEE80211_NUM_ACS]; 388 struct iwl_mvm_time_event_data time_event_data; 389 struct iwl_mvm_time_event_data hs_time_event_data; 390 391 struct iwl_mvm_int_sta bcast_sta; 392 struct iwl_mvm_int_sta mcast_sta; 393 394 /* 395 * Assigned while mac80211 has the interface in a channel context, 396 * or, for P2P Device, while it exists. 397 */ 398 struct iwl_mvm_phy_ctxt *phy_ctxt; 399 400 #ifdef CONFIG_PM 401 /* WoWLAN GTK rekey data */ 402 struct { 403 u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN]; 404 __le64 replay_ctr; 405 bool valid; 406 } rekey_data; 407 408 int tx_key_idx; 409 410 bool seqno_valid; 411 u16 seqno; 412 #endif 413 414 #if IS_ENABLED(CONFIG_IPV6) 415 /* IPv6 addresses for WoWLAN */ 416 struct in6_addr target_ipv6_addrs[IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_MAX]; 417 unsigned long tentative_addrs[BITS_TO_LONGS(IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_MAX)]; 418 int num_target_ipv6_addrs; 419 #endif 420 421 #ifdef CONFIG_IWLWIFI_DEBUGFS 422 struct dentry *dbgfs_dir; 423 struct dentry *dbgfs_slink; 424 struct iwl_dbgfs_pm dbgfs_pm; 425 struct iwl_dbgfs_bf dbgfs_bf; 426 struct iwl_mac_power_cmd mac_pwr_cmd; 427 int dbgfs_quota_min; 428 #endif 429 430 enum ieee80211_smps_mode smps_requests[NUM_IWL_MVM_SMPS_REQ]; 431 432 /* FW identified misbehaving AP */ 433 u8 uapsd_misbehaving_bssid[ETH_ALEN]; 434 435 /* Indicates that CSA countdown may be started */ 436 bool csa_countdown; 437 bool csa_failed; 438 u16 csa_target_freq; 439 440 /* TCP Checksum Offload */ 441 netdev_features_t features; 442 }; 443 444 static inline struct iwl_mvm_vif * 445 iwl_mvm_vif_from_mac80211(struct ieee80211_vif *vif) 446 { 447 if (!vif) 448 return NULL; 449 return (void *)vif->drv_priv; 450 } 451 452 extern const u8 tid_to_mac80211_ac[]; 453 454 #define IWL_MVM_SCAN_STOPPING_SHIFT 8 455 456 enum iwl_scan_status { 457 IWL_MVM_SCAN_REGULAR = BIT(0), 458 IWL_MVM_SCAN_SCHED = BIT(1), 459 IWL_MVM_SCAN_NETDETECT = BIT(2), 460 461 IWL_MVM_SCAN_STOPPING_REGULAR = BIT(8), 462 IWL_MVM_SCAN_STOPPING_SCHED = BIT(9), 463 IWL_MVM_SCAN_STOPPING_NETDETECT = BIT(10), 464 465 IWL_MVM_SCAN_REGULAR_MASK = IWL_MVM_SCAN_REGULAR | 466 IWL_MVM_SCAN_STOPPING_REGULAR, 467 IWL_MVM_SCAN_SCHED_MASK = IWL_MVM_SCAN_SCHED | 468 IWL_MVM_SCAN_STOPPING_SCHED, 469 IWL_MVM_SCAN_NETDETECT_MASK = IWL_MVM_SCAN_NETDETECT | 470 IWL_MVM_SCAN_STOPPING_NETDETECT, 471 472 IWL_MVM_SCAN_STOPPING_MASK = 0xff << IWL_MVM_SCAN_STOPPING_SHIFT, 473 IWL_MVM_SCAN_MASK = 0xff, 474 }; 475 476 enum iwl_mvm_scan_type { 477 IWL_SCAN_TYPE_NOT_SET, 478 IWL_SCAN_TYPE_UNASSOC, 479 IWL_SCAN_TYPE_WILD, 480 IWL_SCAN_TYPE_MILD, 481 IWL_SCAN_TYPE_FRAGMENTED, 482 }; 483 484 enum iwl_mvm_sched_scan_pass_all_states { 485 SCHED_SCAN_PASS_ALL_DISABLED, 486 SCHED_SCAN_PASS_ALL_ENABLED, 487 SCHED_SCAN_PASS_ALL_FOUND, 488 }; 489 490 /** 491 * struct iwl_nvm_section - describes an NVM section in memory. 492 * 493 * This struct holds an NVM section read from the NIC using NVM_ACCESS_CMD, 494 * and saved for later use by the driver. Not all NVM sections are saved 495 * this way, only the needed ones. 496 */ 497 struct iwl_nvm_section { 498 u16 length; 499 const u8 *data; 500 }; 501 502 /** 503 * struct iwl_mvm_tt_mgnt - Thermal Throttling Management structure 504 * @ct_kill_exit: worker to exit thermal kill 505 * @dynamic_smps: Is thermal throttling enabled dynamic_smps? 506 * @tx_backoff: The current thremal throttling tx backoff in uSec. 507 * @min_backoff: The minimal tx backoff due to power restrictions 508 * @params: Parameters to configure the thermal throttling algorithm. 509 * @throttle: Is thermal throttling is active? 510 */ 511 struct iwl_mvm_tt_mgmt { 512 struct delayed_work ct_kill_exit; 513 bool dynamic_smps; 514 u32 tx_backoff; 515 u32 min_backoff; 516 struct iwl_tt_params params; 517 bool throttle; 518 }; 519 520 #ifdef CONFIG_THERMAL 521 /** 522 *struct iwl_mvm_thermal_device - thermal zone related data 523 * @temp_trips: temperature thresholds for report 524 * @fw_trips_index: keep indexes to original array - temp_trips 525 * @tzone: thermal zone device data 526 */ 527 struct iwl_mvm_thermal_device { 528 s16 temp_trips[IWL_MAX_DTS_TRIPS]; 529 u8 fw_trips_index[IWL_MAX_DTS_TRIPS]; 530 struct thermal_zone_device *tzone; 531 }; 532 533 /* 534 * struct iwl_mvm_cooling_device 535 * @cur_state: current state 536 * @cdev: struct thermal cooling device 537 */ 538 struct iwl_mvm_cooling_device { 539 u32 cur_state; 540 struct thermal_cooling_device *cdev; 541 }; 542 #endif 543 544 #define IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES 8 545 546 struct iwl_mvm_frame_stats { 547 u32 legacy_frames; 548 u32 ht_frames; 549 u32 vht_frames; 550 u32 bw_20_frames; 551 u32 bw_40_frames; 552 u32 bw_80_frames; 553 u32 bw_160_frames; 554 u32 sgi_frames; 555 u32 ngi_frames; 556 u32 siso_frames; 557 u32 mimo2_frames; 558 u32 agg_frames; 559 u32 ampdu_count; 560 u32 success_frames; 561 u32 fail_frames; 562 u32 last_rates[IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES]; 563 int last_frame_idx; 564 }; 565 566 enum { 567 D0I3_DEFER_WAKEUP, 568 D0I3_PENDING_WAKEUP, 569 }; 570 571 #define IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE 0xff 572 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MIN -100 573 #define IWL_MVM_DEBUG_SET_TEMPERATURE_MAX 200 574 575 enum iwl_mvm_tdls_cs_state { 576 IWL_MVM_TDLS_SW_IDLE = 0, 577 IWL_MVM_TDLS_SW_REQ_SENT, 578 IWL_MVM_TDLS_SW_RESP_RCVD, 579 IWL_MVM_TDLS_SW_REQ_RCVD, 580 IWL_MVM_TDLS_SW_ACTIVE, 581 }; 582 583 /** 584 * struct iwl_mvm_reorder_buffer - per ra/tid/queue reorder buffer 585 * @head_sn: reorder window head sn 586 * @num_stored: number of mpdus stored in the buffer 587 * @buf_size: the reorder buffer size as set by the last addba request 588 * @sta_id: sta id of this reorder buffer 589 * @queue: queue of this reorder buffer 590 * @last_amsdu: track last ASMDU SN for duplication detection 591 * @last_sub_index: track ASMDU sub frame index for duplication detection 592 * @tid: the tid 593 * @entries: list of skbs stored 594 * @reorder_time: time the packet was stored in the reorder buffer 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 u8 sta_id; 607 int queue; 608 u16 last_amsdu; 609 u8 last_sub_index; 610 u8 tid; 611 struct sk_buff_head entries[IEEE80211_MAX_AMPDU_BUF]; 612 unsigned long reorder_time[IEEE80211_MAX_AMPDU_BUF]; 613 struct timer_list reorder_timer; 614 bool removed; 615 bool valid; 616 spinlock_t lock; 617 struct iwl_mvm *mvm; 618 } ____cacheline_aligned_in_smp; 619 620 /** 621 * struct iwl_mvm_baid_data - BA session data 622 * @sta_id: station id 623 * @tid: tid of the session 624 * @baid baid of the session 625 * @timeout: the timeout set in the addba request 626 * @last_rx: last rx jiffies, updated only if timeout passed from last update 627 * @session_timer: timer to check if BA session expired, runs at 2 * timeout 628 * @mvm: mvm pointer, needed for timer context 629 * @reorder_buf: reorder buffer, allocated per queue 630 */ 631 struct iwl_mvm_baid_data { 632 struct rcu_head rcu_head; 633 u8 sta_id; 634 u8 tid; 635 u8 baid; 636 u16 timeout; 637 unsigned long last_rx; 638 struct timer_list session_timer; 639 struct iwl_mvm *mvm; 640 struct iwl_mvm_reorder_buffer reorder_buf[]; 641 }; 642 643 /* 644 * enum iwl_mvm_queue_status - queue status 645 * @IWL_MVM_QUEUE_FREE: the queue is not allocated nor reserved 646 * Basically, this means that this queue can be used for any purpose 647 * @IWL_MVM_QUEUE_RESERVED: queue is reserved but not yet in use 648 * This is the state of a queue that has been dedicated for some RATID 649 * (agg'd or not), but that hasn't yet gone through the actual enablement 650 * of iwl_mvm_enable_txq(), and therefore no traffic can go through it yet. 651 * Note that in this state there is no requirement to already know what TID 652 * should be used with this queue, it is just marked as a queue that will 653 * be used, and shouldn't be allocated to anyone else. 654 * @IWL_MVM_QUEUE_READY: queue is ready to be used 655 * This is the state of a queue that has been fully configured (including 656 * SCD pointers, etc), has a specific RA/TID assigned to it, and can be 657 * used to send traffic. 658 * @IWL_MVM_QUEUE_SHARED: queue is shared, or in a process of becoming shared 659 * This is a state in which a single queue serves more than one TID, all of 660 * which are not aggregated. Note that the queue is only associated to one 661 * RA. 662 * @IWL_MVM_QUEUE_INACTIVE: queue is allocated but no traffic on it 663 * This is a state of a queue that has had traffic on it, but during the 664 * last %IWL_MVM_DQA_QUEUE_TIMEOUT time period there has been no traffic on 665 * it. In this state, when a new queue is needed to be allocated but no 666 * such free queue exists, an inactive queue might be freed and given to 667 * the new RA/TID. 668 * @IWL_MVM_QUEUE_RECONFIGURING: queue is being reconfigured 669 * This is the state of a queue that has had traffic pass through it, but 670 * needs to be reconfigured for some reason, e.g. the queue needs to 671 * become unshared and aggregations re-enabled on. 672 */ 673 enum iwl_mvm_queue_status { 674 IWL_MVM_QUEUE_FREE, 675 IWL_MVM_QUEUE_RESERVED, 676 IWL_MVM_QUEUE_READY, 677 IWL_MVM_QUEUE_SHARED, 678 IWL_MVM_QUEUE_INACTIVE, 679 IWL_MVM_QUEUE_RECONFIGURING, 680 }; 681 682 #define IWL_MVM_DQA_QUEUE_TIMEOUT (5 * HZ) 683 #define IWL_MVM_INVALID_QUEUE 0xFFFF 684 685 #define IWL_MVM_NUM_CIPHERS 10 686 687 struct iwl_mvm_sar_profile { 688 bool enabled; 689 u8 table[ACPI_SAR_TABLE_SIZE]; 690 }; 691 692 struct iwl_mvm_geo_profile { 693 u8 values[ACPI_GEO_TABLE_SIZE]; 694 }; 695 696 struct iwl_mvm { 697 /* for logger access */ 698 struct device *dev; 699 700 struct iwl_trans *trans; 701 const struct iwl_fw *fw; 702 const struct iwl_cfg *cfg; 703 struct iwl_phy_db *phy_db; 704 struct ieee80211_hw *hw; 705 706 /* for protecting access to iwl_mvm */ 707 struct mutex mutex; 708 struct list_head async_handlers_list; 709 spinlock_t async_handlers_lock; 710 struct work_struct async_handlers_wk; 711 712 struct work_struct roc_done_wk; 713 714 unsigned long init_status; 715 716 unsigned long status; 717 718 u32 queue_sync_cookie; 719 atomic_t queue_sync_counter; 720 /* 721 * for beacon filtering - 722 * currently only one interface can be supported 723 */ 724 struct iwl_mvm_vif *bf_allowed_vif; 725 726 bool hw_registered; 727 bool calibrating; 728 u32 error_event_table[2]; 729 u32 log_event_table; 730 u32 umac_error_event_table; 731 bool support_umac_log; 732 struct iwl_sf_region sf_space; 733 734 u32 ampdu_ref; 735 bool ampdu_toggle; 736 737 struct iwl_notif_wait_data notif_wait; 738 739 union { 740 struct mvm_statistics_rx_v3 rx_stats_v3; 741 struct mvm_statistics_rx rx_stats; 742 }; 743 744 struct { 745 u64 rx_time; 746 u64 tx_time; 747 u64 on_time_rf; 748 u64 on_time_scan; 749 } radio_stats, accu_radio_stats; 750 751 u16 hw_queue_to_mac80211[IWL_MAX_TVQM_QUEUES]; 752 753 struct { 754 u8 hw_queue_refcount; 755 u8 ra_sta_id; /* The RA this queue is mapped to, if exists */ 756 bool reserved; /* Is this the TXQ reserved for a STA */ 757 u8 mac80211_ac; /* The mac80211 AC this queue is mapped to */ 758 u8 txq_tid; /* The TID "owner" of this queue*/ 759 u16 tid_bitmap; /* Bitmap of the TIDs mapped to this queue */ 760 /* Timestamp for inactivation per TID of this queue */ 761 unsigned long last_frame_time[IWL_MAX_TID_COUNT + 1]; 762 enum iwl_mvm_queue_status status; 763 } queue_info[IWL_MAX_HW_QUEUES]; 764 spinlock_t queue_info_lock; /* For syncing queue mgmt operations */ 765 struct work_struct add_stream_wk; /* To add streams to queues */ 766 767 atomic_t mac80211_queue_stop_count[IEEE80211_MAX_QUEUES]; 768 769 const char *nvm_file_name; 770 struct iwl_nvm_data *nvm_data; 771 /* NVM sections */ 772 struct iwl_nvm_section nvm_sections[NVM_MAX_NUM_SECTIONS]; 773 774 struct iwl_fw_runtime fwrt; 775 776 /* EEPROM MAC addresses */ 777 struct mac_address addresses[IWL_MVM_MAX_ADDRESSES]; 778 779 /* data related to data path */ 780 struct iwl_rx_phy_info last_phy_info; 781 struct ieee80211_sta __rcu *fw_id_to_mac_id[IWL_MVM_STATION_COUNT]; 782 unsigned long sta_deferred_frames[BITS_TO_LONGS(IWL_MVM_STATION_COUNT)]; 783 u8 rx_ba_sessions; 784 785 /* configured by mac80211 */ 786 u32 rts_threshold; 787 788 /* Scan status, cmd (pre-allocated) and auxiliary station */ 789 unsigned int scan_status; 790 void *scan_cmd; 791 struct iwl_mcast_filter_cmd *mcast_filter_cmd; 792 enum iwl_mvm_scan_type scan_type; 793 enum iwl_mvm_sched_scan_pass_all_states sched_scan_pass_all; 794 struct delayed_work scan_timeout_dwork; 795 796 /* max number of simultaneous scans the FW supports */ 797 unsigned int max_scans; 798 799 /* UMAC scan tracking */ 800 u32 scan_uid_status[IWL_MVM_MAX_UMAC_SCANS]; 801 802 /* start time of last scan in TSF of the mac that requested the scan */ 803 u64 scan_start; 804 805 /* the vif that requested the current scan */ 806 struct iwl_mvm_vif *scan_vif; 807 808 /* rx chain antennas set through debugfs for the scan command */ 809 u8 scan_rx_ant; 810 811 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING 812 /* broadcast filters to configure for each associated station */ 813 const struct iwl_fw_bcast_filter *bcast_filters; 814 #ifdef CONFIG_IWLWIFI_DEBUGFS 815 struct { 816 bool override; 817 struct iwl_bcast_filter_cmd cmd; 818 } dbgfs_bcast_filtering; 819 #endif 820 #endif 821 822 /* Internal station */ 823 struct iwl_mvm_int_sta aux_sta; 824 struct iwl_mvm_int_sta snif_sta; 825 826 bool last_ebs_successful; 827 828 u8 scan_last_antenna_idx; /* to toggle TX between antennas */ 829 u8 mgmt_last_antenna_idx; 830 831 /* last smart fifo state that was successfully sent to firmware */ 832 enum iwl_sf_state sf_state; 833 834 #ifdef CONFIG_IWLWIFI_DEBUGFS 835 struct dentry *debugfs_dir; 836 u32 dbgfs_sram_offset, dbgfs_sram_len; 837 u32 dbgfs_prph_reg_addr; 838 bool disable_power_off; 839 bool disable_power_off_d3; 840 841 bool scan_iter_notif_enabled; 842 843 struct debugfs_blob_wrapper nvm_hw_blob; 844 struct debugfs_blob_wrapper nvm_sw_blob; 845 struct debugfs_blob_wrapper nvm_calib_blob; 846 struct debugfs_blob_wrapper nvm_prod_blob; 847 struct debugfs_blob_wrapper nvm_phy_sku_blob; 848 849 struct iwl_mvm_frame_stats drv_rx_stats; 850 spinlock_t drv_stats_lock; 851 u16 dbgfs_rx_phyinfo; 852 #endif 853 854 struct iwl_mvm_phy_ctxt phy_ctxts[NUM_PHY_CTX]; 855 856 struct list_head time_event_list; 857 spinlock_t time_event_lock; 858 859 /* 860 * A bitmap indicating the index of the key in use. The firmware 861 * can hold 16 keys at most. Reflect this fact. 862 */ 863 unsigned long fw_key_table[BITS_TO_LONGS(STA_KEY_MAX_NUM)]; 864 u8 fw_key_deleted[STA_KEY_MAX_NUM]; 865 866 /* references taken by the driver and spinlock protecting them */ 867 spinlock_t refs_lock; 868 u8 refs[IWL_MVM_REF_COUNT]; 869 870 u8 vif_count; 871 872 /* -1 for always, 0 for never, >0 for that many times */ 873 s8 fw_restart; 874 875 #ifdef CONFIG_IWLWIFI_LEDS 876 struct led_classdev led; 877 #endif 878 879 struct ieee80211_vif *p2p_device_vif; 880 881 #ifdef CONFIG_PM 882 struct wiphy_wowlan_support wowlan; 883 int gtk_ivlen, gtk_icvlen, ptk_ivlen, ptk_icvlen; 884 885 /* sched scan settings for net detect */ 886 struct ieee80211_scan_ies nd_ies; 887 struct cfg80211_match_set *nd_match_sets; 888 int n_nd_match_sets; 889 struct ieee80211_channel **nd_channels; 890 int n_nd_channels; 891 bool net_detect; 892 #ifdef CONFIG_IWLWIFI_DEBUGFS 893 bool d3_wake_sysassert; 894 bool d3_test_active; 895 bool store_d3_resume_sram; 896 void *d3_resume_sram; 897 u32 d3_test_pme_ptr; 898 struct ieee80211_vif *keep_vif; 899 u32 last_netdetect_scans; /* no. of scans in the last net-detect wake */ 900 #endif 901 #endif 902 903 /* d0i3 */ 904 u8 d0i3_ap_sta_id; 905 bool d0i3_offloading; 906 struct work_struct d0i3_exit_work; 907 struct sk_buff_head d0i3_tx; 908 /* protect d0i3_suspend_flags */ 909 struct mutex d0i3_suspend_mutex; 910 unsigned long d0i3_suspend_flags; 911 /* sync d0i3_tx queue and IWL_MVM_STATUS_IN_D0I3 status flag */ 912 spinlock_t d0i3_tx_lock; 913 wait_queue_head_t d0i3_exit_waitq; 914 wait_queue_head_t rx_sync_waitq; 915 916 /* BT-Coex */ 917 struct iwl_bt_coex_profile_notif last_bt_notif; 918 struct iwl_bt_coex_ci_cmd last_bt_ci_cmd; 919 920 u8 bt_tx_prio; 921 enum iwl_bt_force_ant_mode bt_force_ant_mode; 922 923 /* Aux ROC */ 924 struct list_head aux_roc_te_list; 925 926 /* Thermal Throttling and CTkill */ 927 struct iwl_mvm_tt_mgmt thermal_throttle; 928 #ifdef CONFIG_THERMAL 929 struct iwl_mvm_thermal_device tz_device; 930 struct iwl_mvm_cooling_device cooling_dev; 931 #endif 932 933 s32 temperature; /* Celsius */ 934 /* 935 * Debug option to set the NIC temperature. This option makes the 936 * driver think this is the actual NIC temperature, and ignore the 937 * real temperature that is received from the fw 938 */ 939 bool temperature_test; /* Debug test temperature is enabled */ 940 941 struct iwl_time_quota_cmd last_quota_cmd; 942 943 #ifdef CONFIG_NL80211_TESTMODE 944 u32 noa_duration; 945 struct ieee80211_vif *noa_vif; 946 #endif 947 948 /* Tx queues */ 949 u16 aux_queue; 950 u16 probe_queue; 951 u16 p2p_dev_queue; 952 953 /* Indicate if device power save is allowed */ 954 u8 ps_disabled; /* u8 instead of bool to ease debugfs_create_* usage */ 955 unsigned int max_amsdu_len; /* used for debugfs only */ 956 957 struct ieee80211_vif __rcu *csa_vif; 958 struct ieee80211_vif __rcu *csa_tx_blocked_vif; 959 u8 csa_tx_block_bcn_timeout; 960 961 /* system time of last beacon (for AP/GO interface) */ 962 u32 ap_last_beacon_gp2; 963 964 /* indicates that we transmitted the last beacon */ 965 bool ibss_manager; 966 967 bool lar_regdom_set; 968 enum iwl_mcc_source mcc_src; 969 970 /* TDLS channel switch data */ 971 struct { 972 struct delayed_work dwork; 973 enum iwl_mvm_tdls_cs_state state; 974 975 /* 976 * Current cs sta - might be different from periodic cs peer 977 * station. Value is meaningless when the cs-state is idle. 978 */ 979 u8 cur_sta_id; 980 981 /* TDLS periodic channel-switch peer */ 982 struct { 983 u8 sta_id; 984 u8 op_class; 985 bool initiator; /* are we the link initiator */ 986 struct cfg80211_chan_def chandef; 987 struct sk_buff *skb; /* ch sw template */ 988 u32 ch_sw_tm_ie; 989 990 /* timestamp of last ch-sw request sent (GP2 time) */ 991 u32 sent_timestamp; 992 } peer; 993 } tdls_cs; 994 995 996 u32 ciphers[IWL_MVM_NUM_CIPHERS]; 997 struct ieee80211_cipher_scheme cs[IWL_UCODE_MAX_CS]; 998 struct iwl_mvm_tof_data tof_data; 999 1000 struct ieee80211_vif *nan_vif; 1001 #define IWL_MAX_BAID 32 1002 struct iwl_mvm_baid_data __rcu *baid_map[IWL_MAX_BAID]; 1003 1004 /* 1005 * Drop beacons from other APs in AP mode when there are no connected 1006 * clients. 1007 */ 1008 bool drop_bcn_ap_mode; 1009 1010 struct delayed_work cs_tx_unblock_dwork; 1011 1012 /* does a monitor vif exist (only one can exist hence bool) */ 1013 bool monitor_on; 1014 #ifdef CONFIG_ACPI 1015 struct iwl_mvm_sar_profile sar_profiles[ACPI_SAR_PROFILE_NUM]; 1016 struct iwl_mvm_geo_profile geo_profiles[ACPI_NUM_GEO_PROFILES]; 1017 #endif 1018 }; 1019 1020 /* Extract MVM priv from op_mode and _hw */ 1021 #define IWL_OP_MODE_GET_MVM(_iwl_op_mode) \ 1022 ((struct iwl_mvm *)(_iwl_op_mode)->op_mode_specific) 1023 1024 #define IWL_MAC80211_GET_MVM(_hw) \ 1025 IWL_OP_MODE_GET_MVM((struct iwl_op_mode *)((_hw)->priv)) 1026 1027 /** 1028 * enum iwl_mvm_status - MVM status bits 1029 * @IWL_MVM_STATUS_HW_RFKILL: HW RF-kill is asserted 1030 * @IWL_MVM_STATUS_HW_CTKILL: CT-kill is active 1031 * @IWL_MVM_STATUS_ROC_RUNNING: remain-on-channel is running 1032 * @IWL_MVM_STATUS_HW_RESTART_REQUESTED: HW restart was requested 1033 * @IWL_MVM_STATUS_IN_HW_RESTART: HW restart is active 1034 * @IWL_MVM_STATUS_IN_D0I3: NIC is in D0i3 1035 * @IWL_MVM_STATUS_ROC_AUX_RUNNING: AUX remain-on-channel is running 1036 * @IWL_MVM_STATUS_D3_RECONFIG: D3 reconfiguration is being done 1037 * @IWL_MVM_STATUS_FIRMWARE_RUNNING: firmware is running 1038 */ 1039 enum iwl_mvm_status { 1040 IWL_MVM_STATUS_HW_RFKILL, 1041 IWL_MVM_STATUS_HW_CTKILL, 1042 IWL_MVM_STATUS_ROC_RUNNING, 1043 IWL_MVM_STATUS_HW_RESTART_REQUESTED, 1044 IWL_MVM_STATUS_IN_HW_RESTART, 1045 IWL_MVM_STATUS_IN_D0I3, 1046 IWL_MVM_STATUS_ROC_AUX_RUNNING, 1047 IWL_MVM_STATUS_D3_RECONFIG, 1048 IWL_MVM_STATUS_FIRMWARE_RUNNING, 1049 }; 1050 1051 /* Keep track of completed init configuration */ 1052 enum iwl_mvm_init_status { 1053 IWL_MVM_INIT_STATUS_THERMAL_INIT_COMPLETE = BIT(0), 1054 IWL_MVM_INIT_STATUS_LEDS_INIT_COMPLETE = BIT(1), 1055 IWL_MVM_INIT_STATUS_REG_HW_INIT_COMPLETE = BIT(2), 1056 IWL_MVM_INIT_STATUS_TOF_INIT_COMPLETE = BIT(3), 1057 }; 1058 1059 static inline bool iwl_mvm_is_radio_killed(struct iwl_mvm *mvm) 1060 { 1061 return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status) || 1062 test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status); 1063 } 1064 1065 static inline bool iwl_mvm_is_radio_hw_killed(struct iwl_mvm *mvm) 1066 { 1067 return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status); 1068 } 1069 1070 static inline bool iwl_mvm_firmware_running(struct iwl_mvm *mvm) 1071 { 1072 return test_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); 1073 } 1074 1075 /* Must be called with rcu_read_lock() held and it can only be 1076 * released when mvmsta is not needed anymore. 1077 */ 1078 static inline struct iwl_mvm_sta * 1079 iwl_mvm_sta_from_staid_rcu(struct iwl_mvm *mvm, u8 sta_id) 1080 { 1081 struct ieee80211_sta *sta; 1082 1083 if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id)) 1084 return NULL; 1085 1086 sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]); 1087 1088 /* This can happen if the station has been removed right now */ 1089 if (IS_ERR_OR_NULL(sta)) 1090 return NULL; 1091 1092 return iwl_mvm_sta_from_mac80211(sta); 1093 } 1094 1095 static inline struct iwl_mvm_sta * 1096 iwl_mvm_sta_from_staid_protected(struct iwl_mvm *mvm, u8 sta_id) 1097 { 1098 struct ieee80211_sta *sta; 1099 1100 if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id)) 1101 return NULL; 1102 1103 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id], 1104 lockdep_is_held(&mvm->mutex)); 1105 1106 /* This can happen if the station has been removed right now */ 1107 if (IS_ERR_OR_NULL(sta)) 1108 return NULL; 1109 1110 return iwl_mvm_sta_from_mac80211(sta); 1111 } 1112 1113 static inline bool iwl_mvm_is_d0i3_supported(struct iwl_mvm *mvm) 1114 { 1115 return !iwlwifi_mod_params.d0i3_disable && 1116 fw_has_capa(&mvm->fw->ucode_capa, 1117 IWL_UCODE_TLV_CAPA_D0I3_SUPPORT); 1118 } 1119 1120 static inline bool iwl_mvm_enter_d0i3_on_suspend(struct iwl_mvm *mvm) 1121 { 1122 /* For now we only use this mode to differentiate between 1123 * slave transports, which handle D0i3 entry in suspend by 1124 * themselves in conjunction with runtime PM D0i3. So, this 1125 * function is used to check whether we need to do anything 1126 * when entering suspend or if the transport layer has already 1127 * done it. 1128 */ 1129 return (mvm->trans->system_pm_mode == IWL_PLAT_PM_MODE_D0I3) && 1130 (mvm->trans->runtime_pm_mode != IWL_PLAT_PM_MODE_D0I3); 1131 } 1132 1133 static inline bool iwl_mvm_is_dqa_data_queue(struct iwl_mvm *mvm, u8 queue) 1134 { 1135 return (queue >= IWL_MVM_DQA_MIN_DATA_QUEUE) && 1136 (queue <= IWL_MVM_DQA_MAX_DATA_QUEUE); 1137 } 1138 1139 static inline bool iwl_mvm_is_dqa_mgmt_queue(struct iwl_mvm *mvm, u8 queue) 1140 { 1141 return (queue >= IWL_MVM_DQA_MIN_MGMT_QUEUE) && 1142 (queue <= IWL_MVM_DQA_MAX_MGMT_QUEUE); 1143 } 1144 1145 static inline bool iwl_mvm_is_lar_supported(struct iwl_mvm *mvm) 1146 { 1147 bool nvm_lar = mvm->nvm_data->lar_enabled; 1148 bool tlv_lar = fw_has_capa(&mvm->fw->ucode_capa, 1149 IWL_UCODE_TLV_CAPA_LAR_SUPPORT); 1150 1151 if (iwlwifi_mod_params.lar_disable) 1152 return false; 1153 1154 /* 1155 * Enable LAR only if it is supported by the FW (TLV) && 1156 * enabled in the NVM 1157 */ 1158 if (mvm->cfg->nvm_type == IWL_NVM_EXT) 1159 return nvm_lar && tlv_lar; 1160 else 1161 return tlv_lar; 1162 } 1163 1164 static inline bool iwl_mvm_is_wifi_mcc_supported(struct iwl_mvm *mvm) 1165 { 1166 return fw_has_api(&mvm->fw->ucode_capa, 1167 IWL_UCODE_TLV_API_WIFI_MCC_UPDATE) || 1168 fw_has_capa(&mvm->fw->ucode_capa, 1169 IWL_UCODE_TLV_CAPA_LAR_MULTI_MCC); 1170 } 1171 1172 static inline bool iwl_mvm_bt_is_rrc_supported(struct iwl_mvm *mvm) 1173 { 1174 return fw_has_capa(&mvm->fw->ucode_capa, 1175 IWL_UCODE_TLV_CAPA_BT_COEX_RRC) && 1176 IWL_MVM_BT_COEX_RRC; 1177 } 1178 1179 static inline bool iwl_mvm_is_csum_supported(struct iwl_mvm *mvm) 1180 { 1181 return fw_has_capa(&mvm->fw->ucode_capa, 1182 IWL_UCODE_TLV_CAPA_CSUM_SUPPORT) && 1183 !IWL_MVM_HW_CSUM_DISABLE; 1184 } 1185 1186 static inline bool iwl_mvm_is_mplut_supported(struct iwl_mvm *mvm) 1187 { 1188 return fw_has_capa(&mvm->fw->ucode_capa, 1189 IWL_UCODE_TLV_CAPA_BT_MPLUT_SUPPORT) && 1190 IWL_MVM_BT_COEX_MPLUT; 1191 } 1192 1193 static inline 1194 bool iwl_mvm_is_p2p_scm_uapsd_supported(struct iwl_mvm *mvm) 1195 { 1196 return fw_has_capa(&mvm->fw->ucode_capa, 1197 IWL_UCODE_TLV_CAPA_P2P_SCM_UAPSD) && 1198 !(iwlwifi_mod_params.uapsd_disable & 1199 IWL_DISABLE_UAPSD_P2P_CLIENT); 1200 } 1201 1202 static inline bool iwl_mvm_has_new_rx_api(struct iwl_mvm *mvm) 1203 { 1204 return fw_has_capa(&mvm->fw->ucode_capa, 1205 IWL_UCODE_TLV_CAPA_MULTI_QUEUE_RX_SUPPORT); 1206 } 1207 1208 static inline bool iwl_mvm_has_new_tx_api(struct iwl_mvm *mvm) 1209 { 1210 /* TODO - replace with TLV once defined */ 1211 return mvm->trans->cfg->use_tfh; 1212 } 1213 1214 static inline bool iwl_mvm_has_unified_ucode(struct iwl_mvm *mvm) 1215 { 1216 /* TODO - better define this */ 1217 return mvm->trans->cfg->device_family >= IWL_DEVICE_FAMILY_A000; 1218 } 1219 1220 static inline bool iwl_mvm_is_cdb_supported(struct iwl_mvm *mvm) 1221 { 1222 /* 1223 * TODO: 1224 * The issue of how to determine CDB APIs and usage is still not fully 1225 * defined. 1226 * There is a compilation for CDB and non-CDB FW, but there may 1227 * be also runtime check. 1228 * For now there is a TLV for checking compilation mode, but a 1229 * runtime check will also have to be here - once defined. 1230 */ 1231 return fw_has_capa(&mvm->fw->ucode_capa, 1232 IWL_UCODE_TLV_CAPA_CDB_SUPPORT); 1233 } 1234 1235 static inline bool iwl_mvm_has_new_rx_stats_api(struct iwl_mvm *mvm) 1236 { 1237 return fw_has_api(&mvm->fw->ucode_capa, 1238 IWL_UCODE_TLV_API_NEW_RX_STATS); 1239 } 1240 1241 static inline bool iwl_mvm_has_new_ats_coex_api(struct iwl_mvm *mvm) 1242 { 1243 return fw_has_api(&mvm->fw->ucode_capa, 1244 IWL_UCODE_TLV_API_COEX_ATS_EXTERNAL); 1245 } 1246 1247 static inline bool iwl_mvm_has_quota_low_latency(struct iwl_mvm *mvm) 1248 { 1249 return fw_has_api(&mvm->fw->ucode_capa, 1250 IWL_UCODE_TLV_API_QUOTA_LOW_LATENCY); 1251 } 1252 1253 static inline struct agg_tx_status * 1254 iwl_mvm_get_agg_status(struct iwl_mvm *mvm, void *tx_resp) 1255 { 1256 if (iwl_mvm_has_new_tx_api(mvm)) 1257 return &((struct iwl_mvm_tx_resp *)tx_resp)->status; 1258 else 1259 return ((struct iwl_mvm_tx_resp_v3 *)tx_resp)->status; 1260 } 1261 1262 static inline bool iwl_mvm_is_tt_in_fw(struct iwl_mvm *mvm) 1263 { 1264 #ifdef CONFIG_THERMAL 1265 /* these two TLV are redundant since the responsibility to CT-kill by 1266 * FW happens only after we send at least one command of 1267 * temperature THs report. 1268 */ 1269 return fw_has_capa(&mvm->fw->ucode_capa, 1270 IWL_UCODE_TLV_CAPA_CT_KILL_BY_FW) && 1271 fw_has_capa(&mvm->fw->ucode_capa, 1272 IWL_UCODE_TLV_CAPA_TEMP_THS_REPORT_SUPPORT); 1273 #else /* CONFIG_THERMAL */ 1274 return false; 1275 #endif /* CONFIG_THERMAL */ 1276 } 1277 1278 static inline bool iwl_mvm_is_ctdp_supported(struct iwl_mvm *mvm) 1279 { 1280 return fw_has_capa(&mvm->fw->ucode_capa, 1281 IWL_UCODE_TLV_CAPA_CTDP_SUPPORT); 1282 } 1283 1284 extern const u8 iwl_mvm_ac_to_tx_fifo[]; 1285 extern const u8 iwl_mvm_ac_to_gen2_tx_fifo[]; 1286 1287 static inline u8 iwl_mvm_mac_ac_to_tx_fifo(struct iwl_mvm *mvm, 1288 enum ieee80211_ac_numbers ac) 1289 { 1290 return iwl_mvm_has_new_tx_api(mvm) ? 1291 iwl_mvm_ac_to_gen2_tx_fifo[ac] : iwl_mvm_ac_to_tx_fifo[ac]; 1292 } 1293 1294 struct iwl_rate_info { 1295 u8 plcp; /* uCode API: IWL_RATE_6M_PLCP, etc. */ 1296 u8 plcp_siso; /* uCode API: IWL_RATE_SISO_6M_PLCP, etc. */ 1297 u8 plcp_mimo2; /* uCode API: IWL_RATE_MIMO2_6M_PLCP, etc. */ 1298 u8 plcp_mimo3; /* uCode API: IWL_RATE_MIMO3_6M_PLCP, etc. */ 1299 u8 ieee; /* MAC header: IWL_RATE_6M_IEEE, etc. */ 1300 }; 1301 1302 void __iwl_mvm_mac_stop(struct iwl_mvm *mvm); 1303 int __iwl_mvm_mac_start(struct iwl_mvm *mvm); 1304 1305 /****************** 1306 * MVM Methods 1307 ******************/ 1308 /* uCode */ 1309 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm); 1310 1311 /* Utils */ 1312 int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags, 1313 enum nl80211_band band); 1314 void iwl_mvm_hwrate_to_tx_rate(u32 rate_n_flags, 1315 enum nl80211_band band, 1316 struct ieee80211_tx_rate *r); 1317 u8 iwl_mvm_mac80211_idx_to_hwrate(int rate_idx); 1318 void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm); 1319 u8 first_antenna(u8 mask); 1320 u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx); 1321 void iwl_mvm_get_sync_time(struct iwl_mvm *mvm, u32 *gp2, u64 *boottime); 1322 1323 /* Tx / Host Commands */ 1324 int __must_check iwl_mvm_send_cmd(struct iwl_mvm *mvm, 1325 struct iwl_host_cmd *cmd); 1326 int __must_check iwl_mvm_send_cmd_pdu(struct iwl_mvm *mvm, u32 id, 1327 u32 flags, u16 len, const void *data); 1328 int __must_check iwl_mvm_send_cmd_status(struct iwl_mvm *mvm, 1329 struct iwl_host_cmd *cmd, 1330 u32 *status); 1331 int __must_check iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u32 id, 1332 u16 len, const void *data, 1333 u32 *status); 1334 int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb, 1335 struct ieee80211_sta *sta); 1336 int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb); 1337 void iwl_mvm_set_tx_cmd(struct iwl_mvm *mvm, struct sk_buff *skb, 1338 struct iwl_tx_cmd *tx_cmd, 1339 struct ieee80211_tx_info *info, u8 sta_id); 1340 void iwl_mvm_set_tx_cmd_rate(struct iwl_mvm *mvm, struct iwl_tx_cmd *tx_cmd, 1341 struct ieee80211_tx_info *info, 1342 struct ieee80211_sta *sta, __le16 fc); 1343 #ifdef CONFIG_IWLWIFI_DEBUG 1344 const char *iwl_mvm_get_tx_fail_reason(u32 status); 1345 #else 1346 static inline const char *iwl_mvm_get_tx_fail_reason(u32 status) { return ""; } 1347 #endif 1348 int iwl_mvm_flush_tx_path(struct iwl_mvm *mvm, u32 tfd_msk, u32 flags); 1349 int iwl_mvm_flush_sta(struct iwl_mvm *mvm, void *sta, bool internal, u32 flags); 1350 int iwl_mvm_flush_sta_tids(struct iwl_mvm *mvm, u32 sta_id, 1351 u16 tids, u32 flags); 1352 1353 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm); 1354 1355 static inline void iwl_mvm_set_tx_cmd_ccmp(struct ieee80211_tx_info *info, 1356 struct iwl_tx_cmd *tx_cmd) 1357 { 1358 struct ieee80211_key_conf *keyconf = info->control.hw_key; 1359 1360 tx_cmd->sec_ctl = TX_CMD_SEC_CCM; 1361 memcpy(tx_cmd->key, keyconf->key, keyconf->keylen); 1362 } 1363 1364 static inline void iwl_mvm_wait_for_async_handlers(struct iwl_mvm *mvm) 1365 { 1366 flush_work(&mvm->async_handlers_wk); 1367 } 1368 1369 /* Statistics */ 1370 void iwl_mvm_handle_rx_statistics(struct iwl_mvm *mvm, 1371 struct iwl_rx_packet *pkt); 1372 void iwl_mvm_rx_statistics(struct iwl_mvm *mvm, 1373 struct iwl_rx_cmd_buffer *rxb); 1374 int iwl_mvm_request_statistics(struct iwl_mvm *mvm, bool clear); 1375 void iwl_mvm_accu_radio_stats(struct iwl_mvm *mvm); 1376 1377 /* NVM */ 1378 int iwl_nvm_init(struct iwl_mvm *mvm); 1379 int iwl_mvm_load_nvm_to_nic(struct iwl_mvm *mvm); 1380 int iwl_mvm_read_external_nvm(struct iwl_mvm *mvm); 1381 1382 static inline u8 iwl_mvm_get_valid_tx_ant(struct iwl_mvm *mvm) 1383 { 1384 return mvm->nvm_data && mvm->nvm_data->valid_tx_ant ? 1385 mvm->fw->valid_tx_ant & mvm->nvm_data->valid_tx_ant : 1386 mvm->fw->valid_tx_ant; 1387 } 1388 1389 static inline u8 iwl_mvm_get_valid_rx_ant(struct iwl_mvm *mvm) 1390 { 1391 return mvm->nvm_data && mvm->nvm_data->valid_rx_ant ? 1392 mvm->fw->valid_rx_ant & mvm->nvm_data->valid_rx_ant : 1393 mvm->fw->valid_rx_ant; 1394 } 1395 1396 static inline u32 iwl_mvm_get_phy_config(struct iwl_mvm *mvm) 1397 { 1398 u32 phy_config = ~(FW_PHY_CFG_TX_CHAIN | 1399 FW_PHY_CFG_RX_CHAIN); 1400 u32 valid_rx_ant = iwl_mvm_get_valid_rx_ant(mvm); 1401 u32 valid_tx_ant = iwl_mvm_get_valid_tx_ant(mvm); 1402 1403 phy_config |= valid_tx_ant << FW_PHY_CFG_TX_CHAIN_POS | 1404 valid_rx_ant << FW_PHY_CFG_RX_CHAIN_POS; 1405 1406 return mvm->fw->phy_config & phy_config; 1407 } 1408 1409 int iwl_mvm_up(struct iwl_mvm *mvm); 1410 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm); 1411 1412 int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm); 1413 bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm, 1414 struct iwl_bcast_filter_cmd *cmd); 1415 1416 /* 1417 * FW notifications / CMD responses handlers 1418 * Convention: iwl_mvm_rx_<NAME OF THE CMD> 1419 */ 1420 void iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 1421 void iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct napi_struct *napi, 1422 struct iwl_rx_cmd_buffer *rxb); 1423 void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi, 1424 struct iwl_rx_cmd_buffer *rxb, int queue); 1425 void iwl_mvm_rx_frame_release(struct iwl_mvm *mvm, struct napi_struct *napi, 1426 struct iwl_rx_cmd_buffer *rxb, int queue); 1427 int iwl_mvm_notify_rx_queue(struct iwl_mvm *mvm, u32 rxq_mask, 1428 const u8 *data, u32 count); 1429 void iwl_mvm_rx_queue_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, 1430 int queue); 1431 void iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 1432 void iwl_mvm_mfu_assert_dump_notif(struct iwl_mvm *mvm, 1433 struct iwl_rx_cmd_buffer *rxb); 1434 void iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 1435 void iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm, 1436 struct iwl_rx_cmd_buffer *rxb); 1437 void iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 1438 void iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm, 1439 struct iwl_rx_cmd_buffer *rxb); 1440 void iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm, 1441 struct iwl_rx_cmd_buffer *rxb); 1442 void iwl_mvm_rx_shared_mem_cfg_notif(struct iwl_mvm *mvm, 1443 struct iwl_rx_cmd_buffer *rxb); 1444 1445 /* MVM PHY */ 1446 int iwl_mvm_phy_ctxt_add(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt, 1447 struct cfg80211_chan_def *chandef, 1448 u8 chains_static, u8 chains_dynamic); 1449 int iwl_mvm_phy_ctxt_changed(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt, 1450 struct cfg80211_chan_def *chandef, 1451 u8 chains_static, u8 chains_dynamic); 1452 void iwl_mvm_phy_ctxt_ref(struct iwl_mvm *mvm, 1453 struct iwl_mvm_phy_ctxt *ctxt); 1454 void iwl_mvm_phy_ctxt_unref(struct iwl_mvm *mvm, 1455 struct iwl_mvm_phy_ctxt *ctxt); 1456 int iwl_mvm_phy_ctx_count(struct iwl_mvm *mvm); 1457 u8 iwl_mvm_get_channel_width(struct cfg80211_chan_def *chandef); 1458 u8 iwl_mvm_get_ctrl_pos(struct cfg80211_chan_def *chandef); 1459 1460 /* MAC (virtual interface) programming */ 1461 int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif); 1462 int iwl_mvm_mac_ctxt_add(struct iwl_mvm *mvm, struct ieee80211_vif *vif); 1463 int iwl_mvm_mac_ctxt_changed(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1464 bool force_assoc_off, const u8 *bssid_override); 1465 int iwl_mvm_mac_ctxt_remove(struct iwl_mvm *mvm, struct ieee80211_vif *vif); 1466 u32 iwl_mvm_mac_get_queues_mask(struct ieee80211_vif *vif); 1467 int iwl_mvm_mac_ctxt_beacon_changed(struct iwl_mvm *mvm, 1468 struct ieee80211_vif *vif); 1469 void iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm, 1470 struct iwl_rx_cmd_buffer *rxb); 1471 void iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm, 1472 struct iwl_rx_cmd_buffer *rxb); 1473 void iwl_mvm_rx_stored_beacon_notif(struct iwl_mvm *mvm, 1474 struct iwl_rx_cmd_buffer *rxb); 1475 void iwl_mvm_mu_mimo_grp_notif(struct iwl_mvm *mvm, 1476 struct iwl_rx_cmd_buffer *rxb); 1477 void iwl_mvm_sta_pm_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 1478 void iwl_mvm_window_status_notif(struct iwl_mvm *mvm, 1479 struct iwl_rx_cmd_buffer *rxb); 1480 void iwl_mvm_mac_ctxt_recalc_tsf_id(struct iwl_mvm *mvm, 1481 struct ieee80211_vif *vif); 1482 unsigned long iwl_mvm_get_used_hw_queues(struct iwl_mvm *mvm, 1483 struct ieee80211_vif *exclude_vif); 1484 void iwl_mvm_channel_switch_noa_notif(struct iwl_mvm *mvm, 1485 struct iwl_rx_cmd_buffer *rxb); 1486 /* Bindings */ 1487 int iwl_mvm_binding_add_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif); 1488 int iwl_mvm_binding_remove_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif); 1489 1490 /* Quota management */ 1491 static inline size_t iwl_mvm_quota_cmd_size(struct iwl_mvm *mvm) 1492 { 1493 return iwl_mvm_has_quota_low_latency(mvm) ? 1494 sizeof(struct iwl_time_quota_cmd) : 1495 sizeof(struct iwl_time_quota_cmd_v1); 1496 } 1497 1498 static inline struct iwl_time_quota_data 1499 *iwl_mvm_quota_cmd_get_quota(struct iwl_mvm *mvm, 1500 struct iwl_time_quota_cmd *cmd, 1501 int i) 1502 { 1503 struct iwl_time_quota_data_v1 *quotas; 1504 1505 if (iwl_mvm_has_quota_low_latency(mvm)) 1506 return &cmd->quotas[i]; 1507 1508 quotas = (struct iwl_time_quota_data_v1 *)cmd->quotas; 1509 return (struct iwl_time_quota_data *)"as[i]; 1510 } 1511 1512 int iwl_mvm_update_quotas(struct iwl_mvm *mvm, bool force_upload, 1513 struct ieee80211_vif *disabled_vif); 1514 1515 /* Scanning */ 1516 int iwl_mvm_reg_scan_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1517 struct cfg80211_scan_request *req, 1518 struct ieee80211_scan_ies *ies); 1519 int iwl_mvm_scan_size(struct iwl_mvm *mvm); 1520 int iwl_mvm_scan_stop(struct iwl_mvm *mvm, int type, bool notify); 1521 int iwl_mvm_max_scan_ie_len(struct iwl_mvm *mvm); 1522 void iwl_mvm_report_scan_aborted(struct iwl_mvm *mvm); 1523 void iwl_mvm_scan_timeout_wk(struct work_struct *work); 1524 1525 /* Scheduled scan */ 1526 void iwl_mvm_rx_lmac_scan_complete_notif(struct iwl_mvm *mvm, 1527 struct iwl_rx_cmd_buffer *rxb); 1528 void iwl_mvm_rx_lmac_scan_iter_complete_notif(struct iwl_mvm *mvm, 1529 struct iwl_rx_cmd_buffer *rxb); 1530 int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm, 1531 struct ieee80211_vif *vif, 1532 struct cfg80211_sched_scan_request *req, 1533 struct ieee80211_scan_ies *ies, 1534 int type); 1535 void iwl_mvm_rx_scan_match_found(struct iwl_mvm *mvm, 1536 struct iwl_rx_cmd_buffer *rxb); 1537 1538 /* UMAC scan */ 1539 int iwl_mvm_config_scan(struct iwl_mvm *mvm); 1540 void iwl_mvm_rx_umac_scan_complete_notif(struct iwl_mvm *mvm, 1541 struct iwl_rx_cmd_buffer *rxb); 1542 void iwl_mvm_rx_umac_scan_iter_complete_notif(struct iwl_mvm *mvm, 1543 struct iwl_rx_cmd_buffer *rxb); 1544 1545 /* MVM debugfs */ 1546 #ifdef CONFIG_IWLWIFI_DEBUGFS 1547 int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir); 1548 void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif); 1549 void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif); 1550 #else 1551 static inline int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, 1552 struct dentry *dbgfs_dir) 1553 { 1554 return 0; 1555 } 1556 static inline void 1557 iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif) 1558 { 1559 } 1560 static inline void 1561 iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif) 1562 { 1563 } 1564 #endif /* CONFIG_IWLWIFI_DEBUGFS */ 1565 1566 /* rate scaling */ 1567 int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool init); 1568 void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm, u32 rate, bool agg); 1569 int rs_pretty_print_rate(char *buf, const u32 rate); 1570 void rs_update_last_rssi(struct iwl_mvm *mvm, 1571 struct iwl_lq_sta *lq_sta, 1572 struct ieee80211_rx_status *rx_status); 1573 1574 /* power management */ 1575 int iwl_mvm_power_update_device(struct iwl_mvm *mvm); 1576 int iwl_mvm_power_update_mac(struct iwl_mvm *mvm); 1577 int iwl_mvm_power_update_ps(struct iwl_mvm *mvm); 1578 int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1579 char *buf, int bufsz); 1580 1581 void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif); 1582 void iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm, 1583 struct iwl_rx_cmd_buffer *rxb); 1584 1585 #ifdef CONFIG_IWLWIFI_LEDS 1586 int iwl_mvm_leds_init(struct iwl_mvm *mvm); 1587 void iwl_mvm_leds_exit(struct iwl_mvm *mvm); 1588 void iwl_mvm_leds_sync(struct iwl_mvm *mvm); 1589 #else 1590 static inline int iwl_mvm_leds_init(struct iwl_mvm *mvm) 1591 { 1592 return 0; 1593 } 1594 static inline void iwl_mvm_leds_exit(struct iwl_mvm *mvm) 1595 { 1596 } 1597 static inline void iwl_mvm_leds_sync(struct iwl_mvm *mvm) 1598 { 1599 } 1600 #endif 1601 1602 /* D3 (WoWLAN, NetDetect) */ 1603 int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan); 1604 int iwl_mvm_resume(struct ieee80211_hw *hw); 1605 void iwl_mvm_set_wakeup(struct ieee80211_hw *hw, bool enabled); 1606 void iwl_mvm_set_rekey_data(struct ieee80211_hw *hw, 1607 struct ieee80211_vif *vif, 1608 struct cfg80211_gtk_rekey_data *data); 1609 void iwl_mvm_ipv6_addr_change(struct ieee80211_hw *hw, 1610 struct ieee80211_vif *vif, 1611 struct inet6_dev *idev); 1612 void iwl_mvm_set_default_unicast_key(struct ieee80211_hw *hw, 1613 struct ieee80211_vif *vif, int idx); 1614 extern const struct file_operations iwl_dbgfs_d3_test_ops; 1615 #ifdef CONFIG_PM 1616 int iwl_mvm_wowlan_config_key_params(struct iwl_mvm *mvm, 1617 struct ieee80211_vif *vif, 1618 bool host_awake, 1619 u32 cmd_flags); 1620 void iwl_mvm_d0i3_update_keys(struct iwl_mvm *mvm, 1621 struct ieee80211_vif *vif, 1622 struct iwl_wowlan_status *status); 1623 void iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm, 1624 struct ieee80211_vif *vif); 1625 #else 1626 static inline int iwl_mvm_wowlan_config_key_params(struct iwl_mvm *mvm, 1627 struct ieee80211_vif *vif, 1628 bool host_awake, 1629 u32 cmd_flags) 1630 { 1631 return 0; 1632 } 1633 1634 static inline void iwl_mvm_d0i3_update_keys(struct iwl_mvm *mvm, 1635 struct ieee80211_vif *vif, 1636 struct iwl_wowlan_status *status) 1637 { 1638 } 1639 1640 static inline void 1641 iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm, struct ieee80211_vif *vif) 1642 { 1643 } 1644 #endif 1645 void iwl_mvm_set_wowlan_qos_seq(struct iwl_mvm_sta *mvm_ap_sta, 1646 struct iwl_wowlan_config_cmd *cmd); 1647 int iwl_mvm_send_proto_offload(struct iwl_mvm *mvm, 1648 struct ieee80211_vif *vif, 1649 bool disable_offloading, 1650 bool offload_ns, 1651 u32 cmd_flags); 1652 1653 /* D0i3 */ 1654 void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type); 1655 void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type); 1656 int iwl_mvm_ref_sync(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type); 1657 bool iwl_mvm_ref_taken(struct iwl_mvm *mvm); 1658 void iwl_mvm_d0i3_enable_tx(struct iwl_mvm *mvm, __le16 *qos_seq); 1659 int iwl_mvm_enter_d0i3(struct iwl_op_mode *op_mode); 1660 int iwl_mvm_exit_d0i3(struct iwl_op_mode *op_mode); 1661 int _iwl_mvm_exit_d0i3(struct iwl_mvm *mvm); 1662 1663 /* BT Coex */ 1664 int iwl_mvm_send_bt_init_conf(struct iwl_mvm *mvm); 1665 void iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm, 1666 struct iwl_rx_cmd_buffer *rxb); 1667 void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1668 enum ieee80211_rssi_event_data); 1669 void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm); 1670 u16 iwl_mvm_coex_agg_time_limit(struct iwl_mvm *mvm, 1671 struct ieee80211_sta *sta); 1672 bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm, 1673 struct ieee80211_sta *sta); 1674 bool iwl_mvm_bt_coex_is_ant_avail(struct iwl_mvm *mvm, u8 ant); 1675 bool iwl_mvm_bt_coex_is_shared_ant_avail(struct iwl_mvm *mvm); 1676 bool iwl_mvm_bt_coex_is_tpc_allowed(struct iwl_mvm *mvm, 1677 enum nl80211_band band); 1678 u8 iwl_mvm_bt_coex_tx_prio(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr, 1679 struct ieee80211_tx_info *info, u8 ac); 1680 1681 /* beacon filtering */ 1682 #ifdef CONFIG_IWLWIFI_DEBUGFS 1683 void 1684 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif, 1685 struct iwl_beacon_filter_cmd *cmd); 1686 #else 1687 static inline void 1688 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif, 1689 struct iwl_beacon_filter_cmd *cmd) 1690 {} 1691 #endif 1692 int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm, 1693 struct ieee80211_vif *vif, 1694 bool enable, u32 flags); 1695 int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm, 1696 struct ieee80211_vif *vif, 1697 u32 flags); 1698 int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm, 1699 struct ieee80211_vif *vif, 1700 u32 flags); 1701 /* SMPS */ 1702 void iwl_mvm_update_smps(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1703 enum iwl_mvm_smps_type_request req_type, 1704 enum ieee80211_smps_mode smps_request); 1705 bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm *mvm); 1706 1707 /* Low latency */ 1708 int iwl_mvm_update_low_latency(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1709 bool value); 1710 /* get SystemLowLatencyMode - only needed for beacon threshold? */ 1711 bool iwl_mvm_low_latency(struct iwl_mvm *mvm); 1712 /* get VMACLowLatencyMode */ 1713 static inline bool iwl_mvm_vif_low_latency(struct iwl_mvm_vif *mvmvif) 1714 { 1715 /* 1716 * should this consider associated/active/... state? 1717 * 1718 * Normally low-latency should only be active on interfaces 1719 * that are active, but at least with debugfs it can also be 1720 * enabled on interfaces that aren't active. However, when 1721 * interface aren't active then they aren't added into the 1722 * binding, so this has no real impact. For now, just return 1723 * the current desired low-latency state. 1724 */ 1725 return mvmvif->low_latency_dbgfs || 1726 mvmvif->low_latency_traffic || 1727 mvmvif->low_latency_vcmd; 1728 } 1729 1730 /* hw scheduler queue config */ 1731 bool iwl_mvm_enable_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue, 1732 u16 ssn, const struct iwl_trans_txq_scd_cfg *cfg, 1733 unsigned int wdg_timeout); 1734 int iwl_mvm_tvqm_enable_txq(struct iwl_mvm *mvm, int mac80211_queue, 1735 u8 sta_id, u8 tid, unsigned int timeout); 1736 1737 int iwl_mvm_disable_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue, 1738 u8 tid, u8 flags); 1739 int iwl_mvm_find_free_queue(struct iwl_mvm *mvm, u8 sta_id, u8 minq, u8 maxq); 1740 1741 /* Return a bitmask with all the hw supported queues, except for the 1742 * command queue, which can't be flushed. 1743 */ 1744 static inline u32 iwl_mvm_flushable_queues(struct iwl_mvm *mvm) 1745 { 1746 return ((BIT(mvm->cfg->base_params->num_of_queues) - 1) & 1747 ~BIT(IWL_MVM_DQA_CMD_QUEUE)); 1748 } 1749 1750 static inline void iwl_mvm_stop_device(struct iwl_mvm *mvm) 1751 { 1752 iwl_free_fw_paging(&mvm->fwrt); 1753 clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); 1754 iwl_fw_dump_conf_clear(&mvm->fwrt); 1755 iwl_trans_stop_device(mvm->trans); 1756 } 1757 1758 /* Stop/start all mac queues in a given bitmap */ 1759 void iwl_mvm_start_mac_queues(struct iwl_mvm *mvm, unsigned long mq); 1760 void iwl_mvm_stop_mac_queues(struct iwl_mvm *mvm, unsigned long mq); 1761 1762 /* Re-configure the SCD for a queue that has already been configured */ 1763 int iwl_mvm_reconfig_scd(struct iwl_mvm *mvm, int queue, int fifo, int sta_id, 1764 int tid, int frame_limit, u16 ssn); 1765 1766 /* Thermal management and CT-kill */ 1767 void iwl_mvm_tt_tx_backoff(struct iwl_mvm *mvm, u32 backoff); 1768 void iwl_mvm_tt_temp_changed(struct iwl_mvm *mvm, u32 temp); 1769 void iwl_mvm_temp_notif(struct iwl_mvm *mvm, 1770 struct iwl_rx_cmd_buffer *rxb); 1771 void iwl_mvm_tt_handler(struct iwl_mvm *mvm); 1772 void iwl_mvm_thermal_initialize(struct iwl_mvm *mvm, u32 min_backoff); 1773 void iwl_mvm_thermal_exit(struct iwl_mvm *mvm); 1774 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state); 1775 int iwl_mvm_get_temp(struct iwl_mvm *mvm, s32 *temp); 1776 void iwl_mvm_ct_kill_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 1777 void iwl_mvm_enter_ctkill(struct iwl_mvm *mvm); 1778 int iwl_mvm_send_temp_report_ths_cmd(struct iwl_mvm *mvm); 1779 int iwl_mvm_ctdp_command(struct iwl_mvm *mvm, u32 op, u32 budget); 1780 1781 /* Location Aware Regulatory */ 1782 struct iwl_mcc_update_resp * 1783 iwl_mvm_update_mcc(struct iwl_mvm *mvm, const char *alpha2, 1784 enum iwl_mcc_source src_id); 1785 int iwl_mvm_init_mcc(struct iwl_mvm *mvm); 1786 void iwl_mvm_rx_chub_update_mcc(struct iwl_mvm *mvm, 1787 struct iwl_rx_cmd_buffer *rxb); 1788 struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy, 1789 const char *alpha2, 1790 enum iwl_mcc_source src_id, 1791 bool *changed); 1792 struct ieee80211_regdomain *iwl_mvm_get_current_regdomain(struct iwl_mvm *mvm, 1793 bool *changed); 1794 int iwl_mvm_init_fw_regd(struct iwl_mvm *mvm); 1795 void iwl_mvm_update_changed_regdom(struct iwl_mvm *mvm); 1796 1797 /* smart fifo */ 1798 int iwl_mvm_sf_update(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1799 bool added_vif); 1800 1801 /* TDLS */ 1802 1803 /* 1804 * We use TID 4 (VI) as a FW-used-only TID when TDLS connections are present. 1805 * This TID is marked as used vs the AP and all connected TDLS peers. 1806 */ 1807 #define IWL_MVM_TDLS_FW_TID 4 1808 1809 int iwl_mvm_tdls_sta_count(struct iwl_mvm *mvm, struct ieee80211_vif *vif); 1810 void iwl_mvm_teardown_tdls_peers(struct iwl_mvm *mvm); 1811 void iwl_mvm_recalc_tdls_state(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1812 bool sta_added); 1813 void iwl_mvm_mac_mgd_protect_tdls_discover(struct ieee80211_hw *hw, 1814 struct ieee80211_vif *vif); 1815 int iwl_mvm_tdls_channel_switch(struct ieee80211_hw *hw, 1816 struct ieee80211_vif *vif, 1817 struct ieee80211_sta *sta, u8 oper_class, 1818 struct cfg80211_chan_def *chandef, 1819 struct sk_buff *tmpl_skb, u32 ch_sw_tm_ie); 1820 void iwl_mvm_tdls_recv_channel_switch(struct ieee80211_hw *hw, 1821 struct ieee80211_vif *vif, 1822 struct ieee80211_tdls_ch_sw_params *params); 1823 void iwl_mvm_tdls_cancel_channel_switch(struct ieee80211_hw *hw, 1824 struct ieee80211_vif *vif, 1825 struct ieee80211_sta *sta); 1826 void iwl_mvm_rx_tdls_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 1827 void iwl_mvm_tdls_ch_switch_work(struct work_struct *work); 1828 1829 void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm *mvm, 1830 struct iwl_mvm_internal_rxq_notif *notif, 1831 u32 size); 1832 void iwl_mvm_reorder_timer_expired(unsigned long data); 1833 struct ieee80211_vif *iwl_mvm_get_bss_vif(struct iwl_mvm *mvm); 1834 bool iwl_mvm_is_vif_assoc(struct iwl_mvm *mvm); 1835 1836 void iwl_mvm_inactivity_check(struct iwl_mvm *mvm); 1837 1838 void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error); 1839 unsigned int iwl_mvm_get_wd_timeout(struct iwl_mvm *mvm, 1840 struct ieee80211_vif *vif, 1841 bool tdls, bool cmd_q); 1842 void iwl_mvm_connection_loss(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1843 const char *errmsg); 1844 void iwl_mvm_event_frame_timeout_callback(struct iwl_mvm *mvm, 1845 struct ieee80211_vif *vif, 1846 const struct ieee80211_sta *sta, 1847 u16 tid); 1848 1849 int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a, int prof_b); 1850 int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm); 1851 1852 #endif /* __IWL_MVM_H__ */ 1853