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 * @queue: queue of this reorder buffer 589 * @last_amsdu: track last ASMDU SN for duplication detection 590 * @last_sub_index: track ASMDU sub frame index for duplication detection 591 * @reorder_timer: timer for frames are in the reorder buffer. For AMSDU 592 * it is the time of last received sub-frame 593 * @removed: prevent timer re-arming 594 * @valid: reordering is valid for this queue 595 * @lock: protect reorder buffer internal state 596 * @mvm: mvm pointer, needed for frame timer context 597 */ 598 struct iwl_mvm_reorder_buffer { 599 u16 head_sn; 600 u16 num_stored; 601 u8 buf_size; 602 int queue; 603 u16 last_amsdu; 604 u8 last_sub_index; 605 struct timer_list reorder_timer; 606 bool removed; 607 bool valid; 608 spinlock_t lock; 609 struct iwl_mvm *mvm; 610 } ____cacheline_aligned_in_smp; 611 612 /** 613 * struct _iwl_mvm_reorder_buf_entry - reorder buffer entry per-queue/per-seqno 614 * @frames: list of skbs stored 615 * @reorder_time: time the packet was stored in the reorder buffer 616 */ 617 struct _iwl_mvm_reorder_buf_entry { 618 struct sk_buff_head frames; 619 unsigned long reorder_time; 620 }; 621 622 /* make this indirection to get the aligned thing */ 623 struct iwl_mvm_reorder_buf_entry { 624 struct _iwl_mvm_reorder_buf_entry e; 625 } 626 #ifndef __CHECKER__ 627 /* sparse doesn't like this construct: "bad integer constant expression" */ 628 __aligned(roundup_pow_of_two(sizeof(struct _iwl_mvm_reorder_buf_entry))) 629 #endif 630 ; 631 632 /** 633 * struct iwl_mvm_baid_data - BA session data 634 * @sta_id: station id 635 * @tid: tid of the session 636 * @baid baid of the session 637 * @timeout: the timeout set in the addba request 638 * @entries_per_queue: # of buffers per queue, this actually gets 639 * aligned up to avoid cache line sharing between queues 640 * @last_rx: last rx jiffies, updated only if timeout passed from last update 641 * @session_timer: timer to check if BA session expired, runs at 2 * timeout 642 * @mvm: mvm pointer, needed for timer context 643 * @reorder_buf: reorder buffer, allocated per queue 644 * @reorder_buf_data: data 645 */ 646 struct iwl_mvm_baid_data { 647 struct rcu_head rcu_head; 648 u8 sta_id; 649 u8 tid; 650 u8 baid; 651 u16 timeout; 652 u16 entries_per_queue; 653 unsigned long last_rx; 654 struct timer_list session_timer; 655 struct iwl_mvm_baid_data __rcu **rcu_ptr; 656 struct iwl_mvm *mvm; 657 struct iwl_mvm_reorder_buffer reorder_buf[IWL_MAX_RX_HW_QUEUES]; 658 struct iwl_mvm_reorder_buf_entry entries[]; 659 }; 660 661 static inline struct iwl_mvm_baid_data * 662 iwl_mvm_baid_data_from_reorder_buf(struct iwl_mvm_reorder_buffer *buf) 663 { 664 return (void *)((u8 *)buf - 665 offsetof(struct iwl_mvm_baid_data, reorder_buf) - 666 sizeof(*buf) * buf->queue); 667 } 668 669 /* 670 * enum iwl_mvm_queue_status - queue status 671 * @IWL_MVM_QUEUE_FREE: the queue is not allocated nor reserved 672 * Basically, this means that this queue can be used for any purpose 673 * @IWL_MVM_QUEUE_RESERVED: queue is reserved but not yet in use 674 * This is the state of a queue that has been dedicated for some RATID 675 * (agg'd or not), but that hasn't yet gone through the actual enablement 676 * of iwl_mvm_enable_txq(), and therefore no traffic can go through it yet. 677 * Note that in this state there is no requirement to already know what TID 678 * should be used with this queue, it is just marked as a queue that will 679 * be used, and shouldn't be allocated to anyone else. 680 * @IWL_MVM_QUEUE_READY: queue is ready to be used 681 * This is the state of a queue that has been fully configured (including 682 * SCD pointers, etc), has a specific RA/TID assigned to it, and can be 683 * used to send traffic. 684 * @IWL_MVM_QUEUE_SHARED: queue is shared, or in a process of becoming shared 685 * This is a state in which a single queue serves more than one TID, all of 686 * which are not aggregated. Note that the queue is only associated to one 687 * RA. 688 * @IWL_MVM_QUEUE_INACTIVE: queue is allocated but no traffic on it 689 * This is a state of a queue that has had traffic on it, but during the 690 * last %IWL_MVM_DQA_QUEUE_TIMEOUT time period there has been no traffic on 691 * it. In this state, when a new queue is needed to be allocated but no 692 * such free queue exists, an inactive queue might be freed and given to 693 * the new RA/TID. 694 * @IWL_MVM_QUEUE_RECONFIGURING: queue is being reconfigured 695 * This is the state of a queue that has had traffic pass through it, but 696 * needs to be reconfigured for some reason, e.g. the queue needs to 697 * become unshared and aggregations re-enabled on. 698 */ 699 enum iwl_mvm_queue_status { 700 IWL_MVM_QUEUE_FREE, 701 IWL_MVM_QUEUE_RESERVED, 702 IWL_MVM_QUEUE_READY, 703 IWL_MVM_QUEUE_SHARED, 704 IWL_MVM_QUEUE_INACTIVE, 705 IWL_MVM_QUEUE_RECONFIGURING, 706 }; 707 708 #define IWL_MVM_DQA_QUEUE_TIMEOUT (5 * HZ) 709 #define IWL_MVM_INVALID_QUEUE 0xFFFF 710 711 #define IWL_MVM_NUM_CIPHERS 10 712 713 struct iwl_mvm_sar_profile { 714 bool enabled; 715 u8 table[ACPI_SAR_TABLE_SIZE]; 716 }; 717 718 struct iwl_mvm_geo_profile { 719 u8 values[ACPI_GEO_TABLE_SIZE]; 720 }; 721 722 struct iwl_mvm { 723 /* for logger access */ 724 struct device *dev; 725 726 struct iwl_trans *trans; 727 const struct iwl_fw *fw; 728 const struct iwl_cfg *cfg; 729 struct iwl_phy_db *phy_db; 730 struct ieee80211_hw *hw; 731 732 /* for protecting access to iwl_mvm */ 733 struct mutex mutex; 734 struct list_head async_handlers_list; 735 spinlock_t async_handlers_lock; 736 struct work_struct async_handlers_wk; 737 738 struct work_struct roc_done_wk; 739 740 unsigned long init_status; 741 742 unsigned long status; 743 744 u32 queue_sync_cookie; 745 atomic_t queue_sync_counter; 746 /* 747 * for beacon filtering - 748 * currently only one interface can be supported 749 */ 750 struct iwl_mvm_vif *bf_allowed_vif; 751 752 bool hw_registered; 753 bool calibrating; 754 u32 error_event_table[2]; 755 u32 log_event_table; 756 u32 umac_error_event_table; 757 bool support_umac_log; 758 759 u32 ampdu_ref; 760 bool ampdu_toggle; 761 762 struct iwl_notif_wait_data notif_wait; 763 764 union { 765 struct mvm_statistics_rx_v3 rx_stats_v3; 766 struct mvm_statistics_rx rx_stats; 767 }; 768 769 struct { 770 u64 rx_time; 771 u64 tx_time; 772 u64 on_time_rf; 773 u64 on_time_scan; 774 } radio_stats, accu_radio_stats; 775 776 u16 hw_queue_to_mac80211[IWL_MAX_TVQM_QUEUES]; 777 778 struct { 779 u8 hw_queue_refcount; 780 u8 ra_sta_id; /* The RA this queue is mapped to, if exists */ 781 bool reserved; /* Is this the TXQ reserved for a STA */ 782 u8 mac80211_ac; /* The mac80211 AC this queue is mapped to */ 783 u8 txq_tid; /* The TID "owner" of this queue*/ 784 u16 tid_bitmap; /* Bitmap of the TIDs mapped to this queue */ 785 /* Timestamp for inactivation per TID of this queue */ 786 unsigned long last_frame_time[IWL_MAX_TID_COUNT + 1]; 787 enum iwl_mvm_queue_status status; 788 } queue_info[IWL_MAX_HW_QUEUES]; 789 spinlock_t queue_info_lock; /* For syncing queue mgmt operations */ 790 struct work_struct add_stream_wk; /* To add streams to queues */ 791 792 atomic_t mac80211_queue_stop_count[IEEE80211_MAX_QUEUES]; 793 794 const char *nvm_file_name; 795 struct iwl_nvm_data *nvm_data; 796 /* NVM sections */ 797 struct iwl_nvm_section nvm_sections[NVM_MAX_NUM_SECTIONS]; 798 799 struct iwl_fw_runtime fwrt; 800 801 /* EEPROM MAC addresses */ 802 struct mac_address addresses[IWL_MVM_MAX_ADDRESSES]; 803 804 /* data related to data path */ 805 struct iwl_rx_phy_info last_phy_info; 806 struct ieee80211_sta __rcu *fw_id_to_mac_id[IWL_MVM_STATION_COUNT]; 807 unsigned long sta_deferred_frames[BITS_TO_LONGS(IWL_MVM_STATION_COUNT)]; 808 u8 rx_ba_sessions; 809 810 /* configured by mac80211 */ 811 u32 rts_threshold; 812 813 /* Scan status, cmd (pre-allocated) and auxiliary station */ 814 unsigned int scan_status; 815 void *scan_cmd; 816 struct iwl_mcast_filter_cmd *mcast_filter_cmd; 817 enum iwl_mvm_scan_type scan_type; 818 enum iwl_mvm_sched_scan_pass_all_states sched_scan_pass_all; 819 struct delayed_work scan_timeout_dwork; 820 821 /* max number of simultaneous scans the FW supports */ 822 unsigned int max_scans; 823 824 /* UMAC scan tracking */ 825 u32 scan_uid_status[IWL_MVM_MAX_UMAC_SCANS]; 826 827 /* start time of last scan in TSF of the mac that requested the scan */ 828 u64 scan_start; 829 830 /* the vif that requested the current scan */ 831 struct iwl_mvm_vif *scan_vif; 832 833 /* rx chain antennas set through debugfs for the scan command */ 834 u8 scan_rx_ant; 835 836 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING 837 /* broadcast filters to configure for each associated station */ 838 const struct iwl_fw_bcast_filter *bcast_filters; 839 #ifdef CONFIG_IWLWIFI_DEBUGFS 840 struct { 841 bool override; 842 struct iwl_bcast_filter_cmd cmd; 843 } dbgfs_bcast_filtering; 844 #endif 845 #endif 846 847 /* Internal station */ 848 struct iwl_mvm_int_sta aux_sta; 849 struct iwl_mvm_int_sta snif_sta; 850 851 bool last_ebs_successful; 852 853 u8 scan_last_antenna_idx; /* to toggle TX between antennas */ 854 u8 mgmt_last_antenna_idx; 855 856 /* last smart fifo state that was successfully sent to firmware */ 857 enum iwl_sf_state sf_state; 858 859 #ifdef CONFIG_IWLWIFI_DEBUGFS 860 struct dentry *debugfs_dir; 861 u32 dbgfs_sram_offset, dbgfs_sram_len; 862 u32 dbgfs_prph_reg_addr; 863 bool disable_power_off; 864 bool disable_power_off_d3; 865 866 bool scan_iter_notif_enabled; 867 868 struct debugfs_blob_wrapper nvm_hw_blob; 869 struct debugfs_blob_wrapper nvm_sw_blob; 870 struct debugfs_blob_wrapper nvm_calib_blob; 871 struct debugfs_blob_wrapper nvm_prod_blob; 872 struct debugfs_blob_wrapper nvm_phy_sku_blob; 873 874 struct iwl_mvm_frame_stats drv_rx_stats; 875 spinlock_t drv_stats_lock; 876 u16 dbgfs_rx_phyinfo; 877 #endif 878 879 struct iwl_mvm_phy_ctxt phy_ctxts[NUM_PHY_CTX]; 880 881 struct list_head time_event_list; 882 spinlock_t time_event_lock; 883 884 /* 885 * A bitmap indicating the index of the key in use. The firmware 886 * can hold 16 keys at most. Reflect this fact. 887 */ 888 unsigned long fw_key_table[BITS_TO_LONGS(STA_KEY_MAX_NUM)]; 889 u8 fw_key_deleted[STA_KEY_MAX_NUM]; 890 891 /* references taken by the driver and spinlock protecting them */ 892 spinlock_t refs_lock; 893 u8 refs[IWL_MVM_REF_COUNT]; 894 895 u8 vif_count; 896 897 /* -1 for always, 0 for never, >0 for that many times */ 898 s8 fw_restart; 899 900 #ifdef CONFIG_IWLWIFI_LEDS 901 struct led_classdev led; 902 #endif 903 904 struct ieee80211_vif *p2p_device_vif; 905 906 #ifdef CONFIG_PM 907 struct wiphy_wowlan_support wowlan; 908 int gtk_ivlen, gtk_icvlen, ptk_ivlen, ptk_icvlen; 909 910 /* sched scan settings for net detect */ 911 struct ieee80211_scan_ies nd_ies; 912 struct cfg80211_match_set *nd_match_sets; 913 int n_nd_match_sets; 914 struct ieee80211_channel **nd_channels; 915 int n_nd_channels; 916 bool net_detect; 917 #ifdef CONFIG_IWLWIFI_DEBUGFS 918 bool d3_wake_sysassert; 919 bool d3_test_active; 920 bool store_d3_resume_sram; 921 void *d3_resume_sram; 922 u32 d3_test_pme_ptr; 923 struct ieee80211_vif *keep_vif; 924 u32 last_netdetect_scans; /* no. of scans in the last net-detect wake */ 925 #endif 926 #endif 927 928 /* d0i3 */ 929 u8 d0i3_ap_sta_id; 930 bool d0i3_offloading; 931 struct work_struct d0i3_exit_work; 932 struct sk_buff_head d0i3_tx; 933 /* protect d0i3_suspend_flags */ 934 struct mutex d0i3_suspend_mutex; 935 unsigned long d0i3_suspend_flags; 936 /* sync d0i3_tx queue and IWL_MVM_STATUS_IN_D0I3 status flag */ 937 spinlock_t d0i3_tx_lock; 938 wait_queue_head_t d0i3_exit_waitq; 939 wait_queue_head_t rx_sync_waitq; 940 941 /* BT-Coex */ 942 struct iwl_bt_coex_profile_notif last_bt_notif; 943 struct iwl_bt_coex_ci_cmd last_bt_ci_cmd; 944 945 u8 bt_tx_prio; 946 enum iwl_bt_force_ant_mode bt_force_ant_mode; 947 948 /* Aux ROC */ 949 struct list_head aux_roc_te_list; 950 951 /* Thermal Throttling and CTkill */ 952 struct iwl_mvm_tt_mgmt thermal_throttle; 953 #ifdef CONFIG_THERMAL 954 struct iwl_mvm_thermal_device tz_device; 955 struct iwl_mvm_cooling_device cooling_dev; 956 #endif 957 958 s32 temperature; /* Celsius */ 959 /* 960 * Debug option to set the NIC temperature. This option makes the 961 * driver think this is the actual NIC temperature, and ignore the 962 * real temperature that is received from the fw 963 */ 964 bool temperature_test; /* Debug test temperature is enabled */ 965 966 struct iwl_time_quota_cmd last_quota_cmd; 967 968 #ifdef CONFIG_NL80211_TESTMODE 969 u32 noa_duration; 970 struct ieee80211_vif *noa_vif; 971 #endif 972 973 /* Tx queues */ 974 u16 aux_queue; 975 u16 probe_queue; 976 u16 p2p_dev_queue; 977 978 /* Indicate if device power save is allowed */ 979 u8 ps_disabled; /* u8 instead of bool to ease debugfs_create_* usage */ 980 unsigned int max_amsdu_len; /* used for debugfs only */ 981 982 struct ieee80211_vif __rcu *csa_vif; 983 struct ieee80211_vif __rcu *csa_tx_blocked_vif; 984 u8 csa_tx_block_bcn_timeout; 985 986 /* system time of last beacon (for AP/GO interface) */ 987 u32 ap_last_beacon_gp2; 988 989 /* indicates that we transmitted the last beacon */ 990 bool ibss_manager; 991 992 bool lar_regdom_set; 993 enum iwl_mcc_source mcc_src; 994 995 /* TDLS channel switch data */ 996 struct { 997 struct delayed_work dwork; 998 enum iwl_mvm_tdls_cs_state state; 999 1000 /* 1001 * Current cs sta - might be different from periodic cs peer 1002 * station. Value is meaningless when the cs-state is idle. 1003 */ 1004 u8 cur_sta_id; 1005 1006 /* TDLS periodic channel-switch peer */ 1007 struct { 1008 u8 sta_id; 1009 u8 op_class; 1010 bool initiator; /* are we the link initiator */ 1011 struct cfg80211_chan_def chandef; 1012 struct sk_buff *skb; /* ch sw template */ 1013 u32 ch_sw_tm_ie; 1014 1015 /* timestamp of last ch-sw request sent (GP2 time) */ 1016 u32 sent_timestamp; 1017 } peer; 1018 } tdls_cs; 1019 1020 1021 u32 ciphers[IWL_MVM_NUM_CIPHERS]; 1022 struct ieee80211_cipher_scheme cs[IWL_UCODE_MAX_CS]; 1023 struct iwl_mvm_tof_data tof_data; 1024 1025 struct ieee80211_vif *nan_vif; 1026 #define IWL_MAX_BAID 32 1027 struct iwl_mvm_baid_data __rcu *baid_map[IWL_MAX_BAID]; 1028 1029 /* 1030 * Drop beacons from other APs in AP mode when there are no connected 1031 * clients. 1032 */ 1033 bool drop_bcn_ap_mode; 1034 1035 struct delayed_work cs_tx_unblock_dwork; 1036 1037 /* does a monitor vif exist (only one can exist hence bool) */ 1038 bool monitor_on; 1039 #ifdef CONFIG_ACPI 1040 struct iwl_mvm_sar_profile sar_profiles[ACPI_SAR_PROFILE_NUM]; 1041 struct iwl_mvm_geo_profile geo_profiles[ACPI_NUM_GEO_PROFILES]; 1042 #endif 1043 }; 1044 1045 /* Extract MVM priv from op_mode and _hw */ 1046 #define IWL_OP_MODE_GET_MVM(_iwl_op_mode) \ 1047 ((struct iwl_mvm *)(_iwl_op_mode)->op_mode_specific) 1048 1049 #define IWL_MAC80211_GET_MVM(_hw) \ 1050 IWL_OP_MODE_GET_MVM((struct iwl_op_mode *)((_hw)->priv)) 1051 1052 /** 1053 * enum iwl_mvm_status - MVM status bits 1054 * @IWL_MVM_STATUS_HW_RFKILL: HW RF-kill is asserted 1055 * @IWL_MVM_STATUS_HW_CTKILL: CT-kill is active 1056 * @IWL_MVM_STATUS_ROC_RUNNING: remain-on-channel is running 1057 * @IWL_MVM_STATUS_HW_RESTART_REQUESTED: HW restart was requested 1058 * @IWL_MVM_STATUS_IN_HW_RESTART: HW restart is active 1059 * @IWL_MVM_STATUS_IN_D0I3: NIC is in D0i3 1060 * @IWL_MVM_STATUS_ROC_AUX_RUNNING: AUX remain-on-channel is running 1061 * @IWL_MVM_STATUS_D3_RECONFIG: D3 reconfiguration is being done 1062 * @IWL_MVM_STATUS_FIRMWARE_RUNNING: firmware is running 1063 */ 1064 enum iwl_mvm_status { 1065 IWL_MVM_STATUS_HW_RFKILL, 1066 IWL_MVM_STATUS_HW_CTKILL, 1067 IWL_MVM_STATUS_ROC_RUNNING, 1068 IWL_MVM_STATUS_HW_RESTART_REQUESTED, 1069 IWL_MVM_STATUS_IN_HW_RESTART, 1070 IWL_MVM_STATUS_IN_D0I3, 1071 IWL_MVM_STATUS_ROC_AUX_RUNNING, 1072 IWL_MVM_STATUS_D3_RECONFIG, 1073 IWL_MVM_STATUS_FIRMWARE_RUNNING, 1074 }; 1075 1076 /* Keep track of completed init configuration */ 1077 enum iwl_mvm_init_status { 1078 IWL_MVM_INIT_STATUS_THERMAL_INIT_COMPLETE = BIT(0), 1079 IWL_MVM_INIT_STATUS_LEDS_INIT_COMPLETE = BIT(1), 1080 IWL_MVM_INIT_STATUS_REG_HW_INIT_COMPLETE = BIT(2), 1081 IWL_MVM_INIT_STATUS_TOF_INIT_COMPLETE = BIT(3), 1082 }; 1083 1084 static inline bool iwl_mvm_is_radio_killed(struct iwl_mvm *mvm) 1085 { 1086 return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status) || 1087 test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status); 1088 } 1089 1090 static inline bool iwl_mvm_is_radio_hw_killed(struct iwl_mvm *mvm) 1091 { 1092 return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status); 1093 } 1094 1095 static inline bool iwl_mvm_firmware_running(struct iwl_mvm *mvm) 1096 { 1097 return test_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); 1098 } 1099 1100 /* Must be called with rcu_read_lock() held and it can only be 1101 * released when mvmsta is not needed anymore. 1102 */ 1103 static inline struct iwl_mvm_sta * 1104 iwl_mvm_sta_from_staid_rcu(struct iwl_mvm *mvm, u8 sta_id) 1105 { 1106 struct ieee80211_sta *sta; 1107 1108 if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id)) 1109 return NULL; 1110 1111 sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]); 1112 1113 /* This can happen if the station has been removed right now */ 1114 if (IS_ERR_OR_NULL(sta)) 1115 return NULL; 1116 1117 return iwl_mvm_sta_from_mac80211(sta); 1118 } 1119 1120 static inline struct iwl_mvm_sta * 1121 iwl_mvm_sta_from_staid_protected(struct iwl_mvm *mvm, u8 sta_id) 1122 { 1123 struct ieee80211_sta *sta; 1124 1125 if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id)) 1126 return NULL; 1127 1128 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id], 1129 lockdep_is_held(&mvm->mutex)); 1130 1131 /* This can happen if the station has been removed right now */ 1132 if (IS_ERR_OR_NULL(sta)) 1133 return NULL; 1134 1135 return iwl_mvm_sta_from_mac80211(sta); 1136 } 1137 1138 static inline bool iwl_mvm_is_d0i3_supported(struct iwl_mvm *mvm) 1139 { 1140 return !iwlwifi_mod_params.d0i3_disable && 1141 fw_has_capa(&mvm->fw->ucode_capa, 1142 IWL_UCODE_TLV_CAPA_D0I3_SUPPORT); 1143 } 1144 1145 static inline bool iwl_mvm_is_adaptive_dwell_supported(struct iwl_mvm *mvm) 1146 { 1147 return fw_has_api(&mvm->fw->ucode_capa, 1148 IWL_UCODE_TLV_API_ADAPTIVE_DWELL); 1149 } 1150 1151 static inline bool iwl_mvm_enter_d0i3_on_suspend(struct iwl_mvm *mvm) 1152 { 1153 /* For now we only use this mode to differentiate between 1154 * slave transports, which handle D0i3 entry in suspend by 1155 * themselves in conjunction with runtime PM D0i3. So, this 1156 * function is used to check whether we need to do anything 1157 * when entering suspend or if the transport layer has already 1158 * done it. 1159 */ 1160 return (mvm->trans->system_pm_mode == IWL_PLAT_PM_MODE_D0I3) && 1161 (mvm->trans->runtime_pm_mode != IWL_PLAT_PM_MODE_D0I3); 1162 } 1163 1164 static inline bool iwl_mvm_is_dqa_data_queue(struct iwl_mvm *mvm, u8 queue) 1165 { 1166 return (queue >= IWL_MVM_DQA_MIN_DATA_QUEUE) && 1167 (queue <= IWL_MVM_DQA_MAX_DATA_QUEUE); 1168 } 1169 1170 static inline bool iwl_mvm_is_dqa_mgmt_queue(struct iwl_mvm *mvm, u8 queue) 1171 { 1172 return (queue >= IWL_MVM_DQA_MIN_MGMT_QUEUE) && 1173 (queue <= IWL_MVM_DQA_MAX_MGMT_QUEUE); 1174 } 1175 1176 static inline bool iwl_mvm_is_lar_supported(struct iwl_mvm *mvm) 1177 { 1178 bool nvm_lar = mvm->nvm_data->lar_enabled; 1179 bool tlv_lar = fw_has_capa(&mvm->fw->ucode_capa, 1180 IWL_UCODE_TLV_CAPA_LAR_SUPPORT); 1181 1182 if (iwlwifi_mod_params.lar_disable) 1183 return false; 1184 1185 /* 1186 * Enable LAR only if it is supported by the FW (TLV) && 1187 * enabled in the NVM 1188 */ 1189 if (mvm->cfg->nvm_type == IWL_NVM_EXT) 1190 return nvm_lar && tlv_lar; 1191 else 1192 return tlv_lar; 1193 } 1194 1195 static inline bool iwl_mvm_is_wifi_mcc_supported(struct iwl_mvm *mvm) 1196 { 1197 return fw_has_api(&mvm->fw->ucode_capa, 1198 IWL_UCODE_TLV_API_WIFI_MCC_UPDATE) || 1199 fw_has_capa(&mvm->fw->ucode_capa, 1200 IWL_UCODE_TLV_CAPA_LAR_MULTI_MCC); 1201 } 1202 1203 static inline bool iwl_mvm_bt_is_rrc_supported(struct iwl_mvm *mvm) 1204 { 1205 return fw_has_capa(&mvm->fw->ucode_capa, 1206 IWL_UCODE_TLV_CAPA_BT_COEX_RRC) && 1207 IWL_MVM_BT_COEX_RRC; 1208 } 1209 1210 static inline bool iwl_mvm_is_csum_supported(struct iwl_mvm *mvm) 1211 { 1212 return fw_has_capa(&mvm->fw->ucode_capa, 1213 IWL_UCODE_TLV_CAPA_CSUM_SUPPORT) && 1214 !IWL_MVM_HW_CSUM_DISABLE; 1215 } 1216 1217 static inline bool iwl_mvm_is_mplut_supported(struct iwl_mvm *mvm) 1218 { 1219 return fw_has_capa(&mvm->fw->ucode_capa, 1220 IWL_UCODE_TLV_CAPA_BT_MPLUT_SUPPORT) && 1221 IWL_MVM_BT_COEX_MPLUT; 1222 } 1223 1224 static inline 1225 bool iwl_mvm_is_p2p_scm_uapsd_supported(struct iwl_mvm *mvm) 1226 { 1227 return fw_has_capa(&mvm->fw->ucode_capa, 1228 IWL_UCODE_TLV_CAPA_P2P_SCM_UAPSD) && 1229 !(iwlwifi_mod_params.uapsd_disable & 1230 IWL_DISABLE_UAPSD_P2P_CLIENT); 1231 } 1232 1233 static inline bool iwl_mvm_has_new_rx_api(struct iwl_mvm *mvm) 1234 { 1235 return fw_has_capa(&mvm->fw->ucode_capa, 1236 IWL_UCODE_TLV_CAPA_MULTI_QUEUE_RX_SUPPORT); 1237 } 1238 1239 static inline bool iwl_mvm_has_new_tx_api(struct iwl_mvm *mvm) 1240 { 1241 /* TODO - replace with TLV once defined */ 1242 return mvm->trans->cfg->use_tfh; 1243 } 1244 1245 static inline bool iwl_mvm_has_unified_ucode(struct iwl_mvm *mvm) 1246 { 1247 /* TODO - better define this */ 1248 return mvm->trans->cfg->device_family >= IWL_DEVICE_FAMILY_A000; 1249 } 1250 1251 static inline bool iwl_mvm_is_cdb_supported(struct iwl_mvm *mvm) 1252 { 1253 /* 1254 * TODO: 1255 * The issue of how to determine CDB APIs and usage is still not fully 1256 * defined. 1257 * There is a compilation for CDB and non-CDB FW, but there may 1258 * be also runtime check. 1259 * For now there is a TLV for checking compilation mode, but a 1260 * runtime check will also have to be here - once defined. 1261 */ 1262 return fw_has_capa(&mvm->fw->ucode_capa, 1263 IWL_UCODE_TLV_CAPA_CDB_SUPPORT); 1264 } 1265 1266 static inline bool iwl_mvm_has_new_rx_stats_api(struct iwl_mvm *mvm) 1267 { 1268 return fw_has_api(&mvm->fw->ucode_capa, 1269 IWL_UCODE_TLV_API_NEW_RX_STATS); 1270 } 1271 1272 static inline bool iwl_mvm_has_new_ats_coex_api(struct iwl_mvm *mvm) 1273 { 1274 return fw_has_api(&mvm->fw->ucode_capa, 1275 IWL_UCODE_TLV_API_COEX_ATS_EXTERNAL); 1276 } 1277 1278 static inline bool iwl_mvm_has_quota_low_latency(struct iwl_mvm *mvm) 1279 { 1280 return fw_has_api(&mvm->fw->ucode_capa, 1281 IWL_UCODE_TLV_API_QUOTA_LOW_LATENCY); 1282 } 1283 1284 static inline struct agg_tx_status * 1285 iwl_mvm_get_agg_status(struct iwl_mvm *mvm, void *tx_resp) 1286 { 1287 if (iwl_mvm_has_new_tx_api(mvm)) 1288 return &((struct iwl_mvm_tx_resp *)tx_resp)->status; 1289 else 1290 return ((struct iwl_mvm_tx_resp_v3 *)tx_resp)->status; 1291 } 1292 1293 static inline bool iwl_mvm_is_tt_in_fw(struct iwl_mvm *mvm) 1294 { 1295 #ifdef CONFIG_THERMAL 1296 /* these two TLV are redundant since the responsibility to CT-kill by 1297 * FW happens only after we send at least one command of 1298 * temperature THs report. 1299 */ 1300 return fw_has_capa(&mvm->fw->ucode_capa, 1301 IWL_UCODE_TLV_CAPA_CT_KILL_BY_FW) && 1302 fw_has_capa(&mvm->fw->ucode_capa, 1303 IWL_UCODE_TLV_CAPA_TEMP_THS_REPORT_SUPPORT); 1304 #else /* CONFIG_THERMAL */ 1305 return false; 1306 #endif /* CONFIG_THERMAL */ 1307 } 1308 1309 static inline bool iwl_mvm_is_ctdp_supported(struct iwl_mvm *mvm) 1310 { 1311 return fw_has_capa(&mvm->fw->ucode_capa, 1312 IWL_UCODE_TLV_CAPA_CTDP_SUPPORT); 1313 } 1314 1315 extern const u8 iwl_mvm_ac_to_tx_fifo[]; 1316 extern const u8 iwl_mvm_ac_to_gen2_tx_fifo[]; 1317 1318 static inline u8 iwl_mvm_mac_ac_to_tx_fifo(struct iwl_mvm *mvm, 1319 enum ieee80211_ac_numbers ac) 1320 { 1321 return iwl_mvm_has_new_tx_api(mvm) ? 1322 iwl_mvm_ac_to_gen2_tx_fifo[ac] : iwl_mvm_ac_to_tx_fifo[ac]; 1323 } 1324 1325 struct iwl_rate_info { 1326 u8 plcp; /* uCode API: IWL_RATE_6M_PLCP, etc. */ 1327 u8 plcp_siso; /* uCode API: IWL_RATE_SISO_6M_PLCP, etc. */ 1328 u8 plcp_mimo2; /* uCode API: IWL_RATE_MIMO2_6M_PLCP, etc. */ 1329 u8 plcp_mimo3; /* uCode API: IWL_RATE_MIMO3_6M_PLCP, etc. */ 1330 u8 ieee; /* MAC header: IWL_RATE_6M_IEEE, etc. */ 1331 }; 1332 1333 void __iwl_mvm_mac_stop(struct iwl_mvm *mvm); 1334 int __iwl_mvm_mac_start(struct iwl_mvm *mvm); 1335 1336 /****************** 1337 * MVM Methods 1338 ******************/ 1339 /* uCode */ 1340 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm); 1341 1342 /* Utils */ 1343 int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags, 1344 enum nl80211_band band); 1345 void iwl_mvm_hwrate_to_tx_rate(u32 rate_n_flags, 1346 enum nl80211_band band, 1347 struct ieee80211_tx_rate *r); 1348 u8 iwl_mvm_mac80211_idx_to_hwrate(int rate_idx); 1349 void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm); 1350 u8 first_antenna(u8 mask); 1351 u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx); 1352 void iwl_mvm_get_sync_time(struct iwl_mvm *mvm, u32 *gp2, u64 *boottime); 1353 1354 /* Tx / Host Commands */ 1355 int __must_check iwl_mvm_send_cmd(struct iwl_mvm *mvm, 1356 struct iwl_host_cmd *cmd); 1357 int __must_check iwl_mvm_send_cmd_pdu(struct iwl_mvm *mvm, u32 id, 1358 u32 flags, u16 len, const void *data); 1359 int __must_check iwl_mvm_send_cmd_status(struct iwl_mvm *mvm, 1360 struct iwl_host_cmd *cmd, 1361 u32 *status); 1362 int __must_check iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u32 id, 1363 u16 len, const void *data, 1364 u32 *status); 1365 int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb, 1366 struct ieee80211_sta *sta); 1367 int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb); 1368 void iwl_mvm_set_tx_cmd(struct iwl_mvm *mvm, struct sk_buff *skb, 1369 struct iwl_tx_cmd *tx_cmd, 1370 struct ieee80211_tx_info *info, u8 sta_id); 1371 void iwl_mvm_set_tx_cmd_rate(struct iwl_mvm *mvm, struct iwl_tx_cmd *tx_cmd, 1372 struct ieee80211_tx_info *info, 1373 struct ieee80211_sta *sta, __le16 fc); 1374 #ifdef CONFIG_IWLWIFI_DEBUG 1375 const char *iwl_mvm_get_tx_fail_reason(u32 status); 1376 #else 1377 static inline const char *iwl_mvm_get_tx_fail_reason(u32 status) { return ""; } 1378 #endif 1379 int iwl_mvm_flush_tx_path(struct iwl_mvm *mvm, u32 tfd_msk, u32 flags); 1380 int iwl_mvm_flush_sta(struct iwl_mvm *mvm, void *sta, bool internal, u32 flags); 1381 int iwl_mvm_flush_sta_tids(struct iwl_mvm *mvm, u32 sta_id, 1382 u16 tids, u32 flags); 1383 1384 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm); 1385 1386 static inline void iwl_mvm_set_tx_cmd_ccmp(struct ieee80211_tx_info *info, 1387 struct iwl_tx_cmd *tx_cmd) 1388 { 1389 struct ieee80211_key_conf *keyconf = info->control.hw_key; 1390 1391 tx_cmd->sec_ctl = TX_CMD_SEC_CCM; 1392 memcpy(tx_cmd->key, keyconf->key, keyconf->keylen); 1393 } 1394 1395 static inline void iwl_mvm_wait_for_async_handlers(struct iwl_mvm *mvm) 1396 { 1397 flush_work(&mvm->async_handlers_wk); 1398 } 1399 1400 /* Statistics */ 1401 void iwl_mvm_handle_rx_statistics(struct iwl_mvm *mvm, 1402 struct iwl_rx_packet *pkt); 1403 void iwl_mvm_rx_statistics(struct iwl_mvm *mvm, 1404 struct iwl_rx_cmd_buffer *rxb); 1405 int iwl_mvm_request_statistics(struct iwl_mvm *mvm, bool clear); 1406 void iwl_mvm_accu_radio_stats(struct iwl_mvm *mvm); 1407 1408 /* NVM */ 1409 int iwl_nvm_init(struct iwl_mvm *mvm); 1410 int iwl_mvm_load_nvm_to_nic(struct iwl_mvm *mvm); 1411 int iwl_mvm_read_external_nvm(struct iwl_mvm *mvm); 1412 1413 static inline u8 iwl_mvm_get_valid_tx_ant(struct iwl_mvm *mvm) 1414 { 1415 return mvm->nvm_data && mvm->nvm_data->valid_tx_ant ? 1416 mvm->fw->valid_tx_ant & mvm->nvm_data->valid_tx_ant : 1417 mvm->fw->valid_tx_ant; 1418 } 1419 1420 static inline u8 iwl_mvm_get_valid_rx_ant(struct iwl_mvm *mvm) 1421 { 1422 return mvm->nvm_data && mvm->nvm_data->valid_rx_ant ? 1423 mvm->fw->valid_rx_ant & mvm->nvm_data->valid_rx_ant : 1424 mvm->fw->valid_rx_ant; 1425 } 1426 1427 static inline u32 iwl_mvm_get_phy_config(struct iwl_mvm *mvm) 1428 { 1429 u32 phy_config = ~(FW_PHY_CFG_TX_CHAIN | 1430 FW_PHY_CFG_RX_CHAIN); 1431 u32 valid_rx_ant = iwl_mvm_get_valid_rx_ant(mvm); 1432 u32 valid_tx_ant = iwl_mvm_get_valid_tx_ant(mvm); 1433 1434 phy_config |= valid_tx_ant << FW_PHY_CFG_TX_CHAIN_POS | 1435 valid_rx_ant << FW_PHY_CFG_RX_CHAIN_POS; 1436 1437 return mvm->fw->phy_config & phy_config; 1438 } 1439 1440 int iwl_mvm_up(struct iwl_mvm *mvm); 1441 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm); 1442 1443 int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm); 1444 bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm, 1445 struct iwl_bcast_filter_cmd *cmd); 1446 1447 /* 1448 * FW notifications / CMD responses handlers 1449 * Convention: iwl_mvm_rx_<NAME OF THE CMD> 1450 */ 1451 void iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 1452 void iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct napi_struct *napi, 1453 struct iwl_rx_cmd_buffer *rxb); 1454 void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi, 1455 struct iwl_rx_cmd_buffer *rxb, int queue); 1456 void iwl_mvm_rx_frame_release(struct iwl_mvm *mvm, struct napi_struct *napi, 1457 struct iwl_rx_cmd_buffer *rxb, int queue); 1458 int iwl_mvm_notify_rx_queue(struct iwl_mvm *mvm, u32 rxq_mask, 1459 const u8 *data, u32 count); 1460 void iwl_mvm_rx_queue_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, 1461 int queue); 1462 void iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 1463 void iwl_mvm_mfu_assert_dump_notif(struct iwl_mvm *mvm, 1464 struct iwl_rx_cmd_buffer *rxb); 1465 void iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 1466 void iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm, 1467 struct iwl_rx_cmd_buffer *rxb); 1468 void iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 1469 void iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm, 1470 struct iwl_rx_cmd_buffer *rxb); 1471 void iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm, 1472 struct iwl_rx_cmd_buffer *rxb); 1473 void iwl_mvm_rx_shared_mem_cfg_notif(struct iwl_mvm *mvm, 1474 struct iwl_rx_cmd_buffer *rxb); 1475 1476 /* MVM PHY */ 1477 int iwl_mvm_phy_ctxt_add(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt, 1478 struct cfg80211_chan_def *chandef, 1479 u8 chains_static, u8 chains_dynamic); 1480 int iwl_mvm_phy_ctxt_changed(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt, 1481 struct cfg80211_chan_def *chandef, 1482 u8 chains_static, u8 chains_dynamic); 1483 void iwl_mvm_phy_ctxt_ref(struct iwl_mvm *mvm, 1484 struct iwl_mvm_phy_ctxt *ctxt); 1485 void iwl_mvm_phy_ctxt_unref(struct iwl_mvm *mvm, 1486 struct iwl_mvm_phy_ctxt *ctxt); 1487 int iwl_mvm_phy_ctx_count(struct iwl_mvm *mvm); 1488 u8 iwl_mvm_get_channel_width(struct cfg80211_chan_def *chandef); 1489 u8 iwl_mvm_get_ctrl_pos(struct cfg80211_chan_def *chandef); 1490 1491 /* MAC (virtual interface) programming */ 1492 int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif); 1493 int iwl_mvm_mac_ctxt_add(struct iwl_mvm *mvm, struct ieee80211_vif *vif); 1494 int iwl_mvm_mac_ctxt_changed(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1495 bool force_assoc_off, const u8 *bssid_override); 1496 int iwl_mvm_mac_ctxt_remove(struct iwl_mvm *mvm, struct ieee80211_vif *vif); 1497 u32 iwl_mvm_mac_get_queues_mask(struct ieee80211_vif *vif); 1498 int iwl_mvm_mac_ctxt_beacon_changed(struct iwl_mvm *mvm, 1499 struct ieee80211_vif *vif); 1500 void iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm, 1501 struct iwl_rx_cmd_buffer *rxb); 1502 void iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm, 1503 struct iwl_rx_cmd_buffer *rxb); 1504 void iwl_mvm_rx_stored_beacon_notif(struct iwl_mvm *mvm, 1505 struct iwl_rx_cmd_buffer *rxb); 1506 void iwl_mvm_mu_mimo_grp_notif(struct iwl_mvm *mvm, 1507 struct iwl_rx_cmd_buffer *rxb); 1508 void iwl_mvm_sta_pm_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 1509 void iwl_mvm_window_status_notif(struct iwl_mvm *mvm, 1510 struct iwl_rx_cmd_buffer *rxb); 1511 void iwl_mvm_mac_ctxt_recalc_tsf_id(struct iwl_mvm *mvm, 1512 struct ieee80211_vif *vif); 1513 unsigned long iwl_mvm_get_used_hw_queues(struct iwl_mvm *mvm, 1514 struct ieee80211_vif *exclude_vif); 1515 void iwl_mvm_channel_switch_noa_notif(struct iwl_mvm *mvm, 1516 struct iwl_rx_cmd_buffer *rxb); 1517 /* Bindings */ 1518 int iwl_mvm_binding_add_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif); 1519 int iwl_mvm_binding_remove_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif); 1520 1521 /* Quota management */ 1522 static inline size_t iwl_mvm_quota_cmd_size(struct iwl_mvm *mvm) 1523 { 1524 return iwl_mvm_has_quota_low_latency(mvm) ? 1525 sizeof(struct iwl_time_quota_cmd) : 1526 sizeof(struct iwl_time_quota_cmd_v1); 1527 } 1528 1529 static inline struct iwl_time_quota_data 1530 *iwl_mvm_quota_cmd_get_quota(struct iwl_mvm *mvm, 1531 struct iwl_time_quota_cmd *cmd, 1532 int i) 1533 { 1534 struct iwl_time_quota_data_v1 *quotas; 1535 1536 if (iwl_mvm_has_quota_low_latency(mvm)) 1537 return &cmd->quotas[i]; 1538 1539 quotas = (struct iwl_time_quota_data_v1 *)cmd->quotas; 1540 return (struct iwl_time_quota_data *)"as[i]; 1541 } 1542 1543 int iwl_mvm_update_quotas(struct iwl_mvm *mvm, bool force_upload, 1544 struct ieee80211_vif *disabled_vif); 1545 1546 /* Scanning */ 1547 int iwl_mvm_reg_scan_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1548 struct cfg80211_scan_request *req, 1549 struct ieee80211_scan_ies *ies); 1550 int iwl_mvm_scan_size(struct iwl_mvm *mvm); 1551 int iwl_mvm_scan_stop(struct iwl_mvm *mvm, int type, bool notify); 1552 int iwl_mvm_max_scan_ie_len(struct iwl_mvm *mvm); 1553 void iwl_mvm_report_scan_aborted(struct iwl_mvm *mvm); 1554 void iwl_mvm_scan_timeout_wk(struct work_struct *work); 1555 1556 /* Scheduled scan */ 1557 void iwl_mvm_rx_lmac_scan_complete_notif(struct iwl_mvm *mvm, 1558 struct iwl_rx_cmd_buffer *rxb); 1559 void iwl_mvm_rx_lmac_scan_iter_complete_notif(struct iwl_mvm *mvm, 1560 struct iwl_rx_cmd_buffer *rxb); 1561 int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm, 1562 struct ieee80211_vif *vif, 1563 struct cfg80211_sched_scan_request *req, 1564 struct ieee80211_scan_ies *ies, 1565 int type); 1566 void iwl_mvm_rx_scan_match_found(struct iwl_mvm *mvm, 1567 struct iwl_rx_cmd_buffer *rxb); 1568 1569 /* UMAC scan */ 1570 int iwl_mvm_config_scan(struct iwl_mvm *mvm); 1571 void iwl_mvm_rx_umac_scan_complete_notif(struct iwl_mvm *mvm, 1572 struct iwl_rx_cmd_buffer *rxb); 1573 void iwl_mvm_rx_umac_scan_iter_complete_notif(struct iwl_mvm *mvm, 1574 struct iwl_rx_cmd_buffer *rxb); 1575 1576 /* MVM debugfs */ 1577 #ifdef CONFIG_IWLWIFI_DEBUGFS 1578 int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir); 1579 void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif); 1580 void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif); 1581 #else 1582 static inline int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, 1583 struct dentry *dbgfs_dir) 1584 { 1585 return 0; 1586 } 1587 static inline void 1588 iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif) 1589 { 1590 } 1591 static inline void 1592 iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif) 1593 { 1594 } 1595 #endif /* CONFIG_IWLWIFI_DEBUGFS */ 1596 1597 /* rate scaling */ 1598 int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool init); 1599 void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm, u32 rate, bool agg); 1600 int rs_pretty_print_rate(char *buf, const u32 rate); 1601 void rs_update_last_rssi(struct iwl_mvm *mvm, 1602 struct iwl_lq_sta *lq_sta, 1603 struct ieee80211_rx_status *rx_status); 1604 1605 /* power management */ 1606 int iwl_mvm_power_update_device(struct iwl_mvm *mvm); 1607 int iwl_mvm_power_update_mac(struct iwl_mvm *mvm); 1608 int iwl_mvm_power_update_ps(struct iwl_mvm *mvm); 1609 int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1610 char *buf, int bufsz); 1611 1612 void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif); 1613 void iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm, 1614 struct iwl_rx_cmd_buffer *rxb); 1615 1616 #ifdef CONFIG_IWLWIFI_LEDS 1617 int iwl_mvm_leds_init(struct iwl_mvm *mvm); 1618 void iwl_mvm_leds_exit(struct iwl_mvm *mvm); 1619 void iwl_mvm_leds_sync(struct iwl_mvm *mvm); 1620 #else 1621 static inline int iwl_mvm_leds_init(struct iwl_mvm *mvm) 1622 { 1623 return 0; 1624 } 1625 static inline void iwl_mvm_leds_exit(struct iwl_mvm *mvm) 1626 { 1627 } 1628 static inline void iwl_mvm_leds_sync(struct iwl_mvm *mvm) 1629 { 1630 } 1631 #endif 1632 1633 /* D3 (WoWLAN, NetDetect) */ 1634 int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan); 1635 int iwl_mvm_resume(struct ieee80211_hw *hw); 1636 void iwl_mvm_set_wakeup(struct ieee80211_hw *hw, bool enabled); 1637 void iwl_mvm_set_rekey_data(struct ieee80211_hw *hw, 1638 struct ieee80211_vif *vif, 1639 struct cfg80211_gtk_rekey_data *data); 1640 void iwl_mvm_ipv6_addr_change(struct ieee80211_hw *hw, 1641 struct ieee80211_vif *vif, 1642 struct inet6_dev *idev); 1643 void iwl_mvm_set_default_unicast_key(struct ieee80211_hw *hw, 1644 struct ieee80211_vif *vif, int idx); 1645 extern const struct file_operations iwl_dbgfs_d3_test_ops; 1646 #ifdef CONFIG_PM 1647 int iwl_mvm_wowlan_config_key_params(struct iwl_mvm *mvm, 1648 struct ieee80211_vif *vif, 1649 bool host_awake, 1650 u32 cmd_flags); 1651 void iwl_mvm_d0i3_update_keys(struct iwl_mvm *mvm, 1652 struct ieee80211_vif *vif, 1653 struct iwl_wowlan_status *status); 1654 void iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm, 1655 struct ieee80211_vif *vif); 1656 #else 1657 static inline int iwl_mvm_wowlan_config_key_params(struct iwl_mvm *mvm, 1658 struct ieee80211_vif *vif, 1659 bool host_awake, 1660 u32 cmd_flags) 1661 { 1662 return 0; 1663 } 1664 1665 static inline void iwl_mvm_d0i3_update_keys(struct iwl_mvm *mvm, 1666 struct ieee80211_vif *vif, 1667 struct iwl_wowlan_status *status) 1668 { 1669 } 1670 1671 static inline void 1672 iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm, struct ieee80211_vif *vif) 1673 { 1674 } 1675 #endif 1676 void iwl_mvm_set_wowlan_qos_seq(struct iwl_mvm_sta *mvm_ap_sta, 1677 struct iwl_wowlan_config_cmd *cmd); 1678 int iwl_mvm_send_proto_offload(struct iwl_mvm *mvm, 1679 struct ieee80211_vif *vif, 1680 bool disable_offloading, 1681 bool offload_ns, 1682 u32 cmd_flags); 1683 1684 /* D0i3 */ 1685 void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type); 1686 void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type); 1687 int iwl_mvm_ref_sync(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type); 1688 bool iwl_mvm_ref_taken(struct iwl_mvm *mvm); 1689 void iwl_mvm_d0i3_enable_tx(struct iwl_mvm *mvm, __le16 *qos_seq); 1690 int iwl_mvm_enter_d0i3(struct iwl_op_mode *op_mode); 1691 int iwl_mvm_exit_d0i3(struct iwl_op_mode *op_mode); 1692 int _iwl_mvm_exit_d0i3(struct iwl_mvm *mvm); 1693 1694 /* BT Coex */ 1695 int iwl_mvm_send_bt_init_conf(struct iwl_mvm *mvm); 1696 void iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm, 1697 struct iwl_rx_cmd_buffer *rxb); 1698 void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1699 enum ieee80211_rssi_event_data); 1700 void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm); 1701 u16 iwl_mvm_coex_agg_time_limit(struct iwl_mvm *mvm, 1702 struct ieee80211_sta *sta); 1703 bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm, 1704 struct ieee80211_sta *sta); 1705 bool iwl_mvm_bt_coex_is_ant_avail(struct iwl_mvm *mvm, u8 ant); 1706 bool iwl_mvm_bt_coex_is_shared_ant_avail(struct iwl_mvm *mvm); 1707 bool iwl_mvm_bt_coex_is_tpc_allowed(struct iwl_mvm *mvm, 1708 enum nl80211_band band); 1709 u8 iwl_mvm_bt_coex_tx_prio(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr, 1710 struct ieee80211_tx_info *info, u8 ac); 1711 1712 /* beacon filtering */ 1713 #ifdef CONFIG_IWLWIFI_DEBUGFS 1714 void 1715 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif, 1716 struct iwl_beacon_filter_cmd *cmd); 1717 #else 1718 static inline void 1719 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif, 1720 struct iwl_beacon_filter_cmd *cmd) 1721 {} 1722 #endif 1723 int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm, 1724 struct ieee80211_vif *vif, 1725 bool enable, u32 flags); 1726 int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm, 1727 struct ieee80211_vif *vif, 1728 u32 flags); 1729 int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm, 1730 struct ieee80211_vif *vif, 1731 u32 flags); 1732 /* SMPS */ 1733 void iwl_mvm_update_smps(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1734 enum iwl_mvm_smps_type_request req_type, 1735 enum ieee80211_smps_mode smps_request); 1736 bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm *mvm); 1737 1738 /* Low latency */ 1739 int iwl_mvm_update_low_latency(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1740 bool value); 1741 /* get SystemLowLatencyMode - only needed for beacon threshold? */ 1742 bool iwl_mvm_low_latency(struct iwl_mvm *mvm); 1743 /* get VMACLowLatencyMode */ 1744 static inline bool iwl_mvm_vif_low_latency(struct iwl_mvm_vif *mvmvif) 1745 { 1746 /* 1747 * should this consider associated/active/... state? 1748 * 1749 * Normally low-latency should only be active on interfaces 1750 * that are active, but at least with debugfs it can also be 1751 * enabled on interfaces that aren't active. However, when 1752 * interface aren't active then they aren't added into the 1753 * binding, so this has no real impact. For now, just return 1754 * the current desired low-latency state. 1755 */ 1756 return mvmvif->low_latency_dbgfs || 1757 mvmvif->low_latency_traffic || 1758 mvmvif->low_latency_vcmd; 1759 } 1760 1761 /* hw scheduler queue config */ 1762 bool iwl_mvm_enable_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue, 1763 u16 ssn, const struct iwl_trans_txq_scd_cfg *cfg, 1764 unsigned int wdg_timeout); 1765 int iwl_mvm_tvqm_enable_txq(struct iwl_mvm *mvm, int mac80211_queue, 1766 u8 sta_id, u8 tid, unsigned int timeout); 1767 1768 int iwl_mvm_disable_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue, 1769 u8 tid, u8 flags); 1770 int iwl_mvm_find_free_queue(struct iwl_mvm *mvm, u8 sta_id, u8 minq, u8 maxq); 1771 1772 /* Return a bitmask with all the hw supported queues, except for the 1773 * command queue, which can't be flushed. 1774 */ 1775 static inline u32 iwl_mvm_flushable_queues(struct iwl_mvm *mvm) 1776 { 1777 return ((BIT(mvm->cfg->base_params->num_of_queues) - 1) & 1778 ~BIT(IWL_MVM_DQA_CMD_QUEUE)); 1779 } 1780 1781 static inline void iwl_mvm_stop_device(struct iwl_mvm *mvm) 1782 { 1783 iwl_free_fw_paging(&mvm->fwrt); 1784 clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); 1785 iwl_fw_dump_conf_clear(&mvm->fwrt); 1786 iwl_trans_stop_device(mvm->trans); 1787 } 1788 1789 /* Stop/start all mac queues in a given bitmap */ 1790 void iwl_mvm_start_mac_queues(struct iwl_mvm *mvm, unsigned long mq); 1791 void iwl_mvm_stop_mac_queues(struct iwl_mvm *mvm, unsigned long mq); 1792 1793 /* Re-configure the SCD for a queue that has already been configured */ 1794 int iwl_mvm_reconfig_scd(struct iwl_mvm *mvm, int queue, int fifo, int sta_id, 1795 int tid, int frame_limit, u16 ssn); 1796 1797 /* Thermal management and CT-kill */ 1798 void iwl_mvm_tt_tx_backoff(struct iwl_mvm *mvm, u32 backoff); 1799 void iwl_mvm_tt_temp_changed(struct iwl_mvm *mvm, u32 temp); 1800 void iwl_mvm_temp_notif(struct iwl_mvm *mvm, 1801 struct iwl_rx_cmd_buffer *rxb); 1802 void iwl_mvm_tt_handler(struct iwl_mvm *mvm); 1803 void iwl_mvm_thermal_initialize(struct iwl_mvm *mvm, u32 min_backoff); 1804 void iwl_mvm_thermal_exit(struct iwl_mvm *mvm); 1805 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state); 1806 int iwl_mvm_get_temp(struct iwl_mvm *mvm, s32 *temp); 1807 void iwl_mvm_ct_kill_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 1808 void iwl_mvm_enter_ctkill(struct iwl_mvm *mvm); 1809 int iwl_mvm_send_temp_report_ths_cmd(struct iwl_mvm *mvm); 1810 int iwl_mvm_ctdp_command(struct iwl_mvm *mvm, u32 op, u32 budget); 1811 1812 /* Location Aware Regulatory */ 1813 struct iwl_mcc_update_resp * 1814 iwl_mvm_update_mcc(struct iwl_mvm *mvm, const char *alpha2, 1815 enum iwl_mcc_source src_id); 1816 int iwl_mvm_init_mcc(struct iwl_mvm *mvm); 1817 void iwl_mvm_rx_chub_update_mcc(struct iwl_mvm *mvm, 1818 struct iwl_rx_cmd_buffer *rxb); 1819 struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy, 1820 const char *alpha2, 1821 enum iwl_mcc_source src_id, 1822 bool *changed); 1823 struct ieee80211_regdomain *iwl_mvm_get_current_regdomain(struct iwl_mvm *mvm, 1824 bool *changed); 1825 int iwl_mvm_init_fw_regd(struct iwl_mvm *mvm); 1826 void iwl_mvm_update_changed_regdom(struct iwl_mvm *mvm); 1827 1828 /* smart fifo */ 1829 int iwl_mvm_sf_update(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1830 bool added_vif); 1831 1832 /* TDLS */ 1833 1834 /* 1835 * We use TID 4 (VI) as a FW-used-only TID when TDLS connections are present. 1836 * This TID is marked as used vs the AP and all connected TDLS peers. 1837 */ 1838 #define IWL_MVM_TDLS_FW_TID 4 1839 1840 int iwl_mvm_tdls_sta_count(struct iwl_mvm *mvm, struct ieee80211_vif *vif); 1841 void iwl_mvm_teardown_tdls_peers(struct iwl_mvm *mvm); 1842 void iwl_mvm_recalc_tdls_state(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1843 bool sta_added); 1844 void iwl_mvm_mac_mgd_protect_tdls_discover(struct ieee80211_hw *hw, 1845 struct ieee80211_vif *vif); 1846 int iwl_mvm_tdls_channel_switch(struct ieee80211_hw *hw, 1847 struct ieee80211_vif *vif, 1848 struct ieee80211_sta *sta, u8 oper_class, 1849 struct cfg80211_chan_def *chandef, 1850 struct sk_buff *tmpl_skb, u32 ch_sw_tm_ie); 1851 void iwl_mvm_tdls_recv_channel_switch(struct ieee80211_hw *hw, 1852 struct ieee80211_vif *vif, 1853 struct ieee80211_tdls_ch_sw_params *params); 1854 void iwl_mvm_tdls_cancel_channel_switch(struct ieee80211_hw *hw, 1855 struct ieee80211_vif *vif, 1856 struct ieee80211_sta *sta); 1857 void iwl_mvm_rx_tdls_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 1858 void iwl_mvm_tdls_ch_switch_work(struct work_struct *work); 1859 1860 void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm *mvm, 1861 struct iwl_mvm_internal_rxq_notif *notif, 1862 u32 size); 1863 void iwl_mvm_reorder_timer_expired(struct timer_list *t); 1864 struct ieee80211_vif *iwl_mvm_get_bss_vif(struct iwl_mvm *mvm); 1865 bool iwl_mvm_is_vif_assoc(struct iwl_mvm *mvm); 1866 1867 void iwl_mvm_inactivity_check(struct iwl_mvm *mvm); 1868 1869 void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error); 1870 unsigned int iwl_mvm_get_wd_timeout(struct iwl_mvm *mvm, 1871 struct ieee80211_vif *vif, 1872 bool tdls, bool cmd_q); 1873 void iwl_mvm_connection_loss(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1874 const char *errmsg); 1875 void iwl_mvm_event_frame_timeout_callback(struct iwl_mvm *mvm, 1876 struct ieee80211_vif *vif, 1877 const struct ieee80211_sta *sta, 1878 u16 tid); 1879 1880 int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a, int prof_b); 1881 int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm); 1882 1883 #endif /* __IWL_MVM_H__ */ 1884