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 snif_queue; 976 u16 probe_queue; 977 u16 p2p_dev_queue; 978 979 /* Indicate if device power save is allowed */ 980 u8 ps_disabled; /* u8 instead of bool to ease debugfs_create_* usage */ 981 unsigned int max_amsdu_len; /* used for debugfs only */ 982 983 struct ieee80211_vif __rcu *csa_vif; 984 struct ieee80211_vif __rcu *csa_tx_blocked_vif; 985 u8 csa_tx_block_bcn_timeout; 986 987 /* system time of last beacon (for AP/GO interface) */ 988 u32 ap_last_beacon_gp2; 989 990 /* indicates that we transmitted the last beacon */ 991 bool ibss_manager; 992 993 bool lar_regdom_set; 994 enum iwl_mcc_source mcc_src; 995 996 /* TDLS channel switch data */ 997 struct { 998 struct delayed_work dwork; 999 enum iwl_mvm_tdls_cs_state state; 1000 1001 /* 1002 * Current cs sta - might be different from periodic cs peer 1003 * station. Value is meaningless when the cs-state is idle. 1004 */ 1005 u8 cur_sta_id; 1006 1007 /* TDLS periodic channel-switch peer */ 1008 struct { 1009 u8 sta_id; 1010 u8 op_class; 1011 bool initiator; /* are we the link initiator */ 1012 struct cfg80211_chan_def chandef; 1013 struct sk_buff *skb; /* ch sw template */ 1014 u32 ch_sw_tm_ie; 1015 1016 /* timestamp of last ch-sw request sent (GP2 time) */ 1017 u32 sent_timestamp; 1018 } peer; 1019 } tdls_cs; 1020 1021 1022 u32 ciphers[IWL_MVM_NUM_CIPHERS]; 1023 struct ieee80211_cipher_scheme cs[IWL_UCODE_MAX_CS]; 1024 struct iwl_mvm_tof_data tof_data; 1025 1026 struct ieee80211_vif *nan_vif; 1027 #define IWL_MAX_BAID 32 1028 struct iwl_mvm_baid_data __rcu *baid_map[IWL_MAX_BAID]; 1029 1030 /* 1031 * Drop beacons from other APs in AP mode when there are no connected 1032 * clients. 1033 */ 1034 bool drop_bcn_ap_mode; 1035 1036 struct delayed_work cs_tx_unblock_dwork; 1037 1038 /* does a monitor vif exist (only one can exist hence bool) */ 1039 bool monitor_on; 1040 #ifdef CONFIG_ACPI 1041 struct iwl_mvm_sar_profile sar_profiles[ACPI_SAR_PROFILE_NUM]; 1042 struct iwl_mvm_geo_profile geo_profiles[ACPI_NUM_GEO_PROFILES]; 1043 #endif 1044 }; 1045 1046 /* Extract MVM priv from op_mode and _hw */ 1047 #define IWL_OP_MODE_GET_MVM(_iwl_op_mode) \ 1048 ((struct iwl_mvm *)(_iwl_op_mode)->op_mode_specific) 1049 1050 #define IWL_MAC80211_GET_MVM(_hw) \ 1051 IWL_OP_MODE_GET_MVM((struct iwl_op_mode *)((_hw)->priv)) 1052 1053 /** 1054 * enum iwl_mvm_status - MVM status bits 1055 * @IWL_MVM_STATUS_HW_RFKILL: HW RF-kill is asserted 1056 * @IWL_MVM_STATUS_HW_CTKILL: CT-kill is active 1057 * @IWL_MVM_STATUS_ROC_RUNNING: remain-on-channel is running 1058 * @IWL_MVM_STATUS_HW_RESTART_REQUESTED: HW restart was requested 1059 * @IWL_MVM_STATUS_IN_HW_RESTART: HW restart is active 1060 * @IWL_MVM_STATUS_IN_D0I3: NIC is in D0i3 1061 * @IWL_MVM_STATUS_ROC_AUX_RUNNING: AUX remain-on-channel is running 1062 * @IWL_MVM_STATUS_D3_RECONFIG: D3 reconfiguration is being done 1063 * @IWL_MVM_STATUS_FIRMWARE_RUNNING: firmware is running 1064 * @IWL_MVM_STATUS_NEED_FLUSH_P2P: need to flush P2P bcast STA 1065 */ 1066 enum iwl_mvm_status { 1067 IWL_MVM_STATUS_HW_RFKILL, 1068 IWL_MVM_STATUS_HW_CTKILL, 1069 IWL_MVM_STATUS_ROC_RUNNING, 1070 IWL_MVM_STATUS_HW_RESTART_REQUESTED, 1071 IWL_MVM_STATUS_IN_HW_RESTART, 1072 IWL_MVM_STATUS_IN_D0I3, 1073 IWL_MVM_STATUS_ROC_AUX_RUNNING, 1074 IWL_MVM_STATUS_D3_RECONFIG, 1075 IWL_MVM_STATUS_FIRMWARE_RUNNING, 1076 IWL_MVM_STATUS_NEED_FLUSH_P2P, 1077 }; 1078 1079 /* Keep track of completed init configuration */ 1080 enum iwl_mvm_init_status { 1081 IWL_MVM_INIT_STATUS_THERMAL_INIT_COMPLETE = BIT(0), 1082 IWL_MVM_INIT_STATUS_LEDS_INIT_COMPLETE = BIT(1), 1083 IWL_MVM_INIT_STATUS_REG_HW_INIT_COMPLETE = BIT(2), 1084 IWL_MVM_INIT_STATUS_TOF_INIT_COMPLETE = BIT(3), 1085 }; 1086 1087 static inline bool iwl_mvm_is_radio_killed(struct iwl_mvm *mvm) 1088 { 1089 return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status) || 1090 test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status); 1091 } 1092 1093 static inline bool iwl_mvm_is_radio_hw_killed(struct iwl_mvm *mvm) 1094 { 1095 return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status); 1096 } 1097 1098 static inline bool iwl_mvm_firmware_running(struct iwl_mvm *mvm) 1099 { 1100 return test_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); 1101 } 1102 1103 /* Must be called with rcu_read_lock() held and it can only be 1104 * released when mvmsta is not needed anymore. 1105 */ 1106 static inline struct iwl_mvm_sta * 1107 iwl_mvm_sta_from_staid_rcu(struct iwl_mvm *mvm, u8 sta_id) 1108 { 1109 struct ieee80211_sta *sta; 1110 1111 if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id)) 1112 return NULL; 1113 1114 sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]); 1115 1116 /* This can happen if the station has been removed right now */ 1117 if (IS_ERR_OR_NULL(sta)) 1118 return NULL; 1119 1120 return iwl_mvm_sta_from_mac80211(sta); 1121 } 1122 1123 static inline struct iwl_mvm_sta * 1124 iwl_mvm_sta_from_staid_protected(struct iwl_mvm *mvm, u8 sta_id) 1125 { 1126 struct ieee80211_sta *sta; 1127 1128 if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id)) 1129 return NULL; 1130 1131 sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id], 1132 lockdep_is_held(&mvm->mutex)); 1133 1134 /* This can happen if the station has been removed right now */ 1135 if (IS_ERR_OR_NULL(sta)) 1136 return NULL; 1137 1138 return iwl_mvm_sta_from_mac80211(sta); 1139 } 1140 1141 static inline bool iwl_mvm_is_d0i3_supported(struct iwl_mvm *mvm) 1142 { 1143 return !iwlwifi_mod_params.d0i3_disable && 1144 fw_has_capa(&mvm->fw->ucode_capa, 1145 IWL_UCODE_TLV_CAPA_D0I3_SUPPORT); 1146 } 1147 1148 static inline bool iwl_mvm_is_adaptive_dwell_supported(struct iwl_mvm *mvm) 1149 { 1150 return fw_has_api(&mvm->fw->ucode_capa, 1151 IWL_UCODE_TLV_API_ADAPTIVE_DWELL); 1152 } 1153 1154 static inline bool iwl_mvm_enter_d0i3_on_suspend(struct iwl_mvm *mvm) 1155 { 1156 /* For now we only use this mode to differentiate between 1157 * slave transports, which handle D0i3 entry in suspend by 1158 * themselves in conjunction with runtime PM D0i3. So, this 1159 * function is used to check whether we need to do anything 1160 * when entering suspend or if the transport layer has already 1161 * done it. 1162 */ 1163 return (mvm->trans->system_pm_mode == IWL_PLAT_PM_MODE_D0I3) && 1164 (mvm->trans->runtime_pm_mode != IWL_PLAT_PM_MODE_D0I3); 1165 } 1166 1167 static inline bool iwl_mvm_is_dqa_data_queue(struct iwl_mvm *mvm, u8 queue) 1168 { 1169 return (queue >= IWL_MVM_DQA_MIN_DATA_QUEUE) && 1170 (queue <= IWL_MVM_DQA_MAX_DATA_QUEUE); 1171 } 1172 1173 static inline bool iwl_mvm_is_dqa_mgmt_queue(struct iwl_mvm *mvm, u8 queue) 1174 { 1175 return (queue >= IWL_MVM_DQA_MIN_MGMT_QUEUE) && 1176 (queue <= IWL_MVM_DQA_MAX_MGMT_QUEUE); 1177 } 1178 1179 static inline bool iwl_mvm_is_lar_supported(struct iwl_mvm *mvm) 1180 { 1181 bool nvm_lar = mvm->nvm_data->lar_enabled; 1182 bool tlv_lar = fw_has_capa(&mvm->fw->ucode_capa, 1183 IWL_UCODE_TLV_CAPA_LAR_SUPPORT); 1184 1185 if (iwlwifi_mod_params.lar_disable) 1186 return false; 1187 1188 /* 1189 * Enable LAR only if it is supported by the FW (TLV) && 1190 * enabled in the NVM 1191 */ 1192 if (mvm->cfg->nvm_type == IWL_NVM_EXT) 1193 return nvm_lar && tlv_lar; 1194 else 1195 return tlv_lar; 1196 } 1197 1198 static inline bool iwl_mvm_is_wifi_mcc_supported(struct iwl_mvm *mvm) 1199 { 1200 return fw_has_api(&mvm->fw->ucode_capa, 1201 IWL_UCODE_TLV_API_WIFI_MCC_UPDATE) || 1202 fw_has_capa(&mvm->fw->ucode_capa, 1203 IWL_UCODE_TLV_CAPA_LAR_MULTI_MCC); 1204 } 1205 1206 static inline bool iwl_mvm_bt_is_rrc_supported(struct iwl_mvm *mvm) 1207 { 1208 return fw_has_capa(&mvm->fw->ucode_capa, 1209 IWL_UCODE_TLV_CAPA_BT_COEX_RRC) && 1210 IWL_MVM_BT_COEX_RRC; 1211 } 1212 1213 static inline bool iwl_mvm_is_csum_supported(struct iwl_mvm *mvm) 1214 { 1215 return fw_has_capa(&mvm->fw->ucode_capa, 1216 IWL_UCODE_TLV_CAPA_CSUM_SUPPORT) && 1217 !IWL_MVM_HW_CSUM_DISABLE; 1218 } 1219 1220 static inline bool iwl_mvm_is_mplut_supported(struct iwl_mvm *mvm) 1221 { 1222 return fw_has_capa(&mvm->fw->ucode_capa, 1223 IWL_UCODE_TLV_CAPA_BT_MPLUT_SUPPORT) && 1224 IWL_MVM_BT_COEX_MPLUT; 1225 } 1226 1227 static inline 1228 bool iwl_mvm_is_p2p_scm_uapsd_supported(struct iwl_mvm *mvm) 1229 { 1230 return fw_has_capa(&mvm->fw->ucode_capa, 1231 IWL_UCODE_TLV_CAPA_P2P_SCM_UAPSD) && 1232 !(iwlwifi_mod_params.uapsd_disable & 1233 IWL_DISABLE_UAPSD_P2P_CLIENT); 1234 } 1235 1236 static inline bool iwl_mvm_has_new_rx_api(struct iwl_mvm *mvm) 1237 { 1238 return fw_has_capa(&mvm->fw->ucode_capa, 1239 IWL_UCODE_TLV_CAPA_MULTI_QUEUE_RX_SUPPORT); 1240 } 1241 1242 static inline bool iwl_mvm_has_new_tx_api(struct iwl_mvm *mvm) 1243 { 1244 /* TODO - replace with TLV once defined */ 1245 return mvm->trans->cfg->use_tfh; 1246 } 1247 1248 static inline bool iwl_mvm_has_unified_ucode(struct iwl_mvm *mvm) 1249 { 1250 /* TODO - better define this */ 1251 return mvm->trans->cfg->device_family >= IWL_DEVICE_FAMILY_22000; 1252 } 1253 1254 static inline bool iwl_mvm_is_cdb_supported(struct iwl_mvm *mvm) 1255 { 1256 /* 1257 * TODO: 1258 * The issue of how to determine CDB APIs and usage is still not fully 1259 * defined. 1260 * There is a compilation for CDB and non-CDB FW, but there may 1261 * be also runtime check. 1262 * For now there is a TLV for checking compilation mode, but a 1263 * runtime check will also have to be here - once defined. 1264 */ 1265 return fw_has_capa(&mvm->fw->ucode_capa, 1266 IWL_UCODE_TLV_CAPA_CDB_SUPPORT); 1267 } 1268 1269 static inline bool iwl_mvm_has_new_rx_stats_api(struct iwl_mvm *mvm) 1270 { 1271 return fw_has_api(&mvm->fw->ucode_capa, 1272 IWL_UCODE_TLV_API_NEW_RX_STATS); 1273 } 1274 1275 static inline bool iwl_mvm_has_quota_low_latency(struct iwl_mvm *mvm) 1276 { 1277 return fw_has_api(&mvm->fw->ucode_capa, 1278 IWL_UCODE_TLV_API_QUOTA_LOW_LATENCY); 1279 } 1280 1281 static inline struct agg_tx_status * 1282 iwl_mvm_get_agg_status(struct iwl_mvm *mvm, void *tx_resp) 1283 { 1284 if (iwl_mvm_has_new_tx_api(mvm)) 1285 return &((struct iwl_mvm_tx_resp *)tx_resp)->status; 1286 else 1287 return ((struct iwl_mvm_tx_resp_v3 *)tx_resp)->status; 1288 } 1289 1290 static inline bool iwl_mvm_is_tt_in_fw(struct iwl_mvm *mvm) 1291 { 1292 #ifdef CONFIG_THERMAL 1293 /* these two TLV are redundant since the responsibility to CT-kill by 1294 * FW happens only after we send at least one command of 1295 * temperature THs report. 1296 */ 1297 return fw_has_capa(&mvm->fw->ucode_capa, 1298 IWL_UCODE_TLV_CAPA_CT_KILL_BY_FW) && 1299 fw_has_capa(&mvm->fw->ucode_capa, 1300 IWL_UCODE_TLV_CAPA_TEMP_THS_REPORT_SUPPORT); 1301 #else /* CONFIG_THERMAL */ 1302 return false; 1303 #endif /* CONFIG_THERMAL */ 1304 } 1305 1306 static inline bool iwl_mvm_is_ctdp_supported(struct iwl_mvm *mvm) 1307 { 1308 return fw_has_capa(&mvm->fw->ucode_capa, 1309 IWL_UCODE_TLV_CAPA_CTDP_SUPPORT); 1310 } 1311 1312 extern const u8 iwl_mvm_ac_to_tx_fifo[]; 1313 extern const u8 iwl_mvm_ac_to_gen2_tx_fifo[]; 1314 1315 static inline u8 iwl_mvm_mac_ac_to_tx_fifo(struct iwl_mvm *mvm, 1316 enum ieee80211_ac_numbers ac) 1317 { 1318 return iwl_mvm_has_new_tx_api(mvm) ? 1319 iwl_mvm_ac_to_gen2_tx_fifo[ac] : iwl_mvm_ac_to_tx_fifo[ac]; 1320 } 1321 1322 struct iwl_rate_info { 1323 u8 plcp; /* uCode API: IWL_RATE_6M_PLCP, etc. */ 1324 u8 plcp_siso; /* uCode API: IWL_RATE_SISO_6M_PLCP, etc. */ 1325 u8 plcp_mimo2; /* uCode API: IWL_RATE_MIMO2_6M_PLCP, etc. */ 1326 u8 plcp_mimo3; /* uCode API: IWL_RATE_MIMO3_6M_PLCP, etc. */ 1327 u8 ieee; /* MAC header: IWL_RATE_6M_IEEE, etc. */ 1328 }; 1329 1330 void __iwl_mvm_mac_stop(struct iwl_mvm *mvm); 1331 int __iwl_mvm_mac_start(struct iwl_mvm *mvm); 1332 1333 /****************** 1334 * MVM Methods 1335 ******************/ 1336 /* uCode */ 1337 int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm); 1338 1339 /* Utils */ 1340 int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags, 1341 enum nl80211_band band); 1342 void iwl_mvm_hwrate_to_tx_rate(u32 rate_n_flags, 1343 enum nl80211_band band, 1344 struct ieee80211_tx_rate *r); 1345 u8 iwl_mvm_mac80211_idx_to_hwrate(int rate_idx); 1346 void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm); 1347 u8 first_antenna(u8 mask); 1348 u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx); 1349 void iwl_mvm_get_sync_time(struct iwl_mvm *mvm, u32 *gp2, u64 *boottime); 1350 1351 /* Tx / Host Commands */ 1352 int __must_check iwl_mvm_send_cmd(struct iwl_mvm *mvm, 1353 struct iwl_host_cmd *cmd); 1354 int __must_check iwl_mvm_send_cmd_pdu(struct iwl_mvm *mvm, u32 id, 1355 u32 flags, u16 len, const void *data); 1356 int __must_check iwl_mvm_send_cmd_status(struct iwl_mvm *mvm, 1357 struct iwl_host_cmd *cmd, 1358 u32 *status); 1359 int __must_check iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u32 id, 1360 u16 len, const void *data, 1361 u32 *status); 1362 int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb, 1363 struct ieee80211_sta *sta); 1364 int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb); 1365 void iwl_mvm_set_tx_cmd(struct iwl_mvm *mvm, struct sk_buff *skb, 1366 struct iwl_tx_cmd *tx_cmd, 1367 struct ieee80211_tx_info *info, u8 sta_id); 1368 void iwl_mvm_set_tx_cmd_rate(struct iwl_mvm *mvm, struct iwl_tx_cmd *tx_cmd, 1369 struct ieee80211_tx_info *info, 1370 struct ieee80211_sta *sta, __le16 fc); 1371 #ifdef CONFIG_IWLWIFI_DEBUG 1372 const char *iwl_mvm_get_tx_fail_reason(u32 status); 1373 #else 1374 static inline const char *iwl_mvm_get_tx_fail_reason(u32 status) { return ""; } 1375 #endif 1376 int iwl_mvm_flush_tx_path(struct iwl_mvm *mvm, u32 tfd_msk, u32 flags); 1377 int iwl_mvm_flush_sta(struct iwl_mvm *mvm, void *sta, bool internal, u32 flags); 1378 int iwl_mvm_flush_sta_tids(struct iwl_mvm *mvm, u32 sta_id, 1379 u16 tids, u32 flags); 1380 1381 void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm); 1382 1383 static inline void iwl_mvm_set_tx_cmd_ccmp(struct ieee80211_tx_info *info, 1384 struct iwl_tx_cmd *tx_cmd) 1385 { 1386 struct ieee80211_key_conf *keyconf = info->control.hw_key; 1387 1388 tx_cmd->sec_ctl = TX_CMD_SEC_CCM; 1389 memcpy(tx_cmd->key, keyconf->key, keyconf->keylen); 1390 } 1391 1392 static inline void iwl_mvm_wait_for_async_handlers(struct iwl_mvm *mvm) 1393 { 1394 flush_work(&mvm->async_handlers_wk); 1395 } 1396 1397 /* Statistics */ 1398 void iwl_mvm_handle_rx_statistics(struct iwl_mvm *mvm, 1399 struct iwl_rx_packet *pkt); 1400 void iwl_mvm_rx_statistics(struct iwl_mvm *mvm, 1401 struct iwl_rx_cmd_buffer *rxb); 1402 int iwl_mvm_request_statistics(struct iwl_mvm *mvm, bool clear); 1403 void iwl_mvm_accu_radio_stats(struct iwl_mvm *mvm); 1404 1405 /* NVM */ 1406 int iwl_nvm_init(struct iwl_mvm *mvm); 1407 int iwl_mvm_load_nvm_to_nic(struct iwl_mvm *mvm); 1408 int iwl_mvm_read_external_nvm(struct iwl_mvm *mvm); 1409 1410 static inline u8 iwl_mvm_get_valid_tx_ant(struct iwl_mvm *mvm) 1411 { 1412 return mvm->nvm_data && mvm->nvm_data->valid_tx_ant ? 1413 mvm->fw->valid_tx_ant & mvm->nvm_data->valid_tx_ant : 1414 mvm->fw->valid_tx_ant; 1415 } 1416 1417 static inline u8 iwl_mvm_get_valid_rx_ant(struct iwl_mvm *mvm) 1418 { 1419 return mvm->nvm_data && mvm->nvm_data->valid_rx_ant ? 1420 mvm->fw->valid_rx_ant & mvm->nvm_data->valid_rx_ant : 1421 mvm->fw->valid_rx_ant; 1422 } 1423 1424 static inline u32 iwl_mvm_get_phy_config(struct iwl_mvm *mvm) 1425 { 1426 u32 phy_config = ~(FW_PHY_CFG_TX_CHAIN | 1427 FW_PHY_CFG_RX_CHAIN); 1428 u32 valid_rx_ant = iwl_mvm_get_valid_rx_ant(mvm); 1429 u32 valid_tx_ant = iwl_mvm_get_valid_tx_ant(mvm); 1430 1431 phy_config |= valid_tx_ant << FW_PHY_CFG_TX_CHAIN_POS | 1432 valid_rx_ant << FW_PHY_CFG_RX_CHAIN_POS; 1433 1434 return mvm->fw->phy_config & phy_config; 1435 } 1436 1437 int iwl_mvm_up(struct iwl_mvm *mvm); 1438 int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm); 1439 1440 int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm); 1441 bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm, 1442 struct iwl_bcast_filter_cmd *cmd); 1443 1444 /* 1445 * FW notifications / CMD responses handlers 1446 * Convention: iwl_mvm_rx_<NAME OF THE CMD> 1447 */ 1448 void iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 1449 void iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct napi_struct *napi, 1450 struct iwl_rx_cmd_buffer *rxb); 1451 void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi, 1452 struct iwl_rx_cmd_buffer *rxb, int queue); 1453 void iwl_mvm_rx_frame_release(struct iwl_mvm *mvm, struct napi_struct *napi, 1454 struct iwl_rx_cmd_buffer *rxb, int queue); 1455 int iwl_mvm_notify_rx_queue(struct iwl_mvm *mvm, u32 rxq_mask, 1456 const u8 *data, u32 count); 1457 void iwl_mvm_rx_queue_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, 1458 int queue); 1459 void iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 1460 void iwl_mvm_mfu_assert_dump_notif(struct iwl_mvm *mvm, 1461 struct iwl_rx_cmd_buffer *rxb); 1462 void iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 1463 void iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm, 1464 struct iwl_rx_cmd_buffer *rxb); 1465 void iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 1466 void iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm, 1467 struct iwl_rx_cmd_buffer *rxb); 1468 void iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm, 1469 struct iwl_rx_cmd_buffer *rxb); 1470 void iwl_mvm_rx_shared_mem_cfg_notif(struct iwl_mvm *mvm, 1471 struct iwl_rx_cmd_buffer *rxb); 1472 1473 /* MVM PHY */ 1474 int iwl_mvm_phy_ctxt_add(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt, 1475 struct cfg80211_chan_def *chandef, 1476 u8 chains_static, u8 chains_dynamic); 1477 int iwl_mvm_phy_ctxt_changed(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt, 1478 struct cfg80211_chan_def *chandef, 1479 u8 chains_static, u8 chains_dynamic); 1480 void iwl_mvm_phy_ctxt_ref(struct iwl_mvm *mvm, 1481 struct iwl_mvm_phy_ctxt *ctxt); 1482 void iwl_mvm_phy_ctxt_unref(struct iwl_mvm *mvm, 1483 struct iwl_mvm_phy_ctxt *ctxt); 1484 int iwl_mvm_phy_ctx_count(struct iwl_mvm *mvm); 1485 u8 iwl_mvm_get_channel_width(struct cfg80211_chan_def *chandef); 1486 u8 iwl_mvm_get_ctrl_pos(struct cfg80211_chan_def *chandef); 1487 1488 /* MAC (virtual interface) programming */ 1489 int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif); 1490 int iwl_mvm_mac_ctxt_add(struct iwl_mvm *mvm, struct ieee80211_vif *vif); 1491 int iwl_mvm_mac_ctxt_changed(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1492 bool force_assoc_off, const u8 *bssid_override); 1493 int iwl_mvm_mac_ctxt_remove(struct iwl_mvm *mvm, struct ieee80211_vif *vif); 1494 u32 iwl_mvm_mac_get_queues_mask(struct ieee80211_vif *vif); 1495 int iwl_mvm_mac_ctxt_beacon_changed(struct iwl_mvm *mvm, 1496 struct ieee80211_vif *vif); 1497 void iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm, 1498 struct iwl_rx_cmd_buffer *rxb); 1499 void iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm, 1500 struct iwl_rx_cmd_buffer *rxb); 1501 void iwl_mvm_rx_stored_beacon_notif(struct iwl_mvm *mvm, 1502 struct iwl_rx_cmd_buffer *rxb); 1503 void iwl_mvm_mu_mimo_grp_notif(struct iwl_mvm *mvm, 1504 struct iwl_rx_cmd_buffer *rxb); 1505 void iwl_mvm_sta_pm_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 1506 void iwl_mvm_window_status_notif(struct iwl_mvm *mvm, 1507 struct iwl_rx_cmd_buffer *rxb); 1508 void iwl_mvm_mac_ctxt_recalc_tsf_id(struct iwl_mvm *mvm, 1509 struct ieee80211_vif *vif); 1510 unsigned long iwl_mvm_get_used_hw_queues(struct iwl_mvm *mvm, 1511 struct ieee80211_vif *exclude_vif); 1512 void iwl_mvm_channel_switch_noa_notif(struct iwl_mvm *mvm, 1513 struct iwl_rx_cmd_buffer *rxb); 1514 /* Bindings */ 1515 int iwl_mvm_binding_add_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif); 1516 int iwl_mvm_binding_remove_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif); 1517 1518 /* Quota management */ 1519 static inline size_t iwl_mvm_quota_cmd_size(struct iwl_mvm *mvm) 1520 { 1521 return iwl_mvm_has_quota_low_latency(mvm) ? 1522 sizeof(struct iwl_time_quota_cmd) : 1523 sizeof(struct iwl_time_quota_cmd_v1); 1524 } 1525 1526 static inline struct iwl_time_quota_data 1527 *iwl_mvm_quota_cmd_get_quota(struct iwl_mvm *mvm, 1528 struct iwl_time_quota_cmd *cmd, 1529 int i) 1530 { 1531 struct iwl_time_quota_data_v1 *quotas; 1532 1533 if (iwl_mvm_has_quota_low_latency(mvm)) 1534 return &cmd->quotas[i]; 1535 1536 quotas = (struct iwl_time_quota_data_v1 *)cmd->quotas; 1537 return (struct iwl_time_quota_data *)"as[i]; 1538 } 1539 1540 int iwl_mvm_update_quotas(struct iwl_mvm *mvm, bool force_upload, 1541 struct ieee80211_vif *disabled_vif); 1542 1543 /* Scanning */ 1544 int iwl_mvm_reg_scan_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1545 struct cfg80211_scan_request *req, 1546 struct ieee80211_scan_ies *ies); 1547 int iwl_mvm_scan_size(struct iwl_mvm *mvm); 1548 int iwl_mvm_scan_stop(struct iwl_mvm *mvm, int type, bool notify); 1549 int iwl_mvm_max_scan_ie_len(struct iwl_mvm *mvm); 1550 void iwl_mvm_report_scan_aborted(struct iwl_mvm *mvm); 1551 void iwl_mvm_scan_timeout_wk(struct work_struct *work); 1552 1553 /* Scheduled scan */ 1554 void iwl_mvm_rx_lmac_scan_complete_notif(struct iwl_mvm *mvm, 1555 struct iwl_rx_cmd_buffer *rxb); 1556 void iwl_mvm_rx_lmac_scan_iter_complete_notif(struct iwl_mvm *mvm, 1557 struct iwl_rx_cmd_buffer *rxb); 1558 int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm, 1559 struct ieee80211_vif *vif, 1560 struct cfg80211_sched_scan_request *req, 1561 struct ieee80211_scan_ies *ies, 1562 int type); 1563 void iwl_mvm_rx_scan_match_found(struct iwl_mvm *mvm, 1564 struct iwl_rx_cmd_buffer *rxb); 1565 1566 /* UMAC scan */ 1567 int iwl_mvm_config_scan(struct iwl_mvm *mvm); 1568 void iwl_mvm_rx_umac_scan_complete_notif(struct iwl_mvm *mvm, 1569 struct iwl_rx_cmd_buffer *rxb); 1570 void iwl_mvm_rx_umac_scan_iter_complete_notif(struct iwl_mvm *mvm, 1571 struct iwl_rx_cmd_buffer *rxb); 1572 1573 /* MVM debugfs */ 1574 #ifdef CONFIG_IWLWIFI_DEBUGFS 1575 int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir); 1576 void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif); 1577 void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif); 1578 #else 1579 static inline int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, 1580 struct dentry *dbgfs_dir) 1581 { 1582 return 0; 1583 } 1584 static inline void 1585 iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif) 1586 { 1587 } 1588 static inline void 1589 iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif) 1590 { 1591 } 1592 #endif /* CONFIG_IWLWIFI_DEBUGFS */ 1593 1594 /* rate scaling */ 1595 int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool init); 1596 void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm, u32 rate, bool agg); 1597 int rs_pretty_print_rate(char *buf, int bufsz, const u32 rate); 1598 void rs_update_last_rssi(struct iwl_mvm *mvm, 1599 struct iwl_mvm_sta *mvmsta, 1600 struct ieee80211_rx_status *rx_status); 1601 1602 /* power management */ 1603 int iwl_mvm_power_update_device(struct iwl_mvm *mvm); 1604 int iwl_mvm_power_update_mac(struct iwl_mvm *mvm); 1605 int iwl_mvm_power_update_ps(struct iwl_mvm *mvm); 1606 int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1607 char *buf, int bufsz); 1608 1609 void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif); 1610 void iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm, 1611 struct iwl_rx_cmd_buffer *rxb); 1612 1613 #ifdef CONFIG_IWLWIFI_LEDS 1614 int iwl_mvm_leds_init(struct iwl_mvm *mvm); 1615 void iwl_mvm_leds_exit(struct iwl_mvm *mvm); 1616 void iwl_mvm_leds_sync(struct iwl_mvm *mvm); 1617 #else 1618 static inline int iwl_mvm_leds_init(struct iwl_mvm *mvm) 1619 { 1620 return 0; 1621 } 1622 static inline void iwl_mvm_leds_exit(struct iwl_mvm *mvm) 1623 { 1624 } 1625 static inline void iwl_mvm_leds_sync(struct iwl_mvm *mvm) 1626 { 1627 } 1628 #endif 1629 1630 /* D3 (WoWLAN, NetDetect) */ 1631 int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan); 1632 int iwl_mvm_resume(struct ieee80211_hw *hw); 1633 void iwl_mvm_set_wakeup(struct ieee80211_hw *hw, bool enabled); 1634 void iwl_mvm_set_rekey_data(struct ieee80211_hw *hw, 1635 struct ieee80211_vif *vif, 1636 struct cfg80211_gtk_rekey_data *data); 1637 void iwl_mvm_ipv6_addr_change(struct ieee80211_hw *hw, 1638 struct ieee80211_vif *vif, 1639 struct inet6_dev *idev); 1640 void iwl_mvm_set_default_unicast_key(struct ieee80211_hw *hw, 1641 struct ieee80211_vif *vif, int idx); 1642 extern const struct file_operations iwl_dbgfs_d3_test_ops; 1643 #ifdef CONFIG_PM 1644 int iwl_mvm_wowlan_config_key_params(struct iwl_mvm *mvm, 1645 struct ieee80211_vif *vif, 1646 bool host_awake, 1647 u32 cmd_flags); 1648 void iwl_mvm_d0i3_update_keys(struct iwl_mvm *mvm, 1649 struct ieee80211_vif *vif, 1650 struct iwl_wowlan_status *status); 1651 void iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm, 1652 struct ieee80211_vif *vif); 1653 #else 1654 static inline int iwl_mvm_wowlan_config_key_params(struct iwl_mvm *mvm, 1655 struct ieee80211_vif *vif, 1656 bool host_awake, 1657 u32 cmd_flags) 1658 { 1659 return 0; 1660 } 1661 1662 static inline void iwl_mvm_d0i3_update_keys(struct iwl_mvm *mvm, 1663 struct ieee80211_vif *vif, 1664 struct iwl_wowlan_status *status) 1665 { 1666 } 1667 1668 static inline void 1669 iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm, struct ieee80211_vif *vif) 1670 { 1671 } 1672 #endif 1673 void iwl_mvm_set_wowlan_qos_seq(struct iwl_mvm_sta *mvm_ap_sta, 1674 struct iwl_wowlan_config_cmd *cmd); 1675 int iwl_mvm_send_proto_offload(struct iwl_mvm *mvm, 1676 struct ieee80211_vif *vif, 1677 bool disable_offloading, 1678 bool offload_ns, 1679 u32 cmd_flags); 1680 1681 /* D0i3 */ 1682 void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type); 1683 void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type); 1684 int iwl_mvm_ref_sync(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type); 1685 bool iwl_mvm_ref_taken(struct iwl_mvm *mvm); 1686 void iwl_mvm_d0i3_enable_tx(struct iwl_mvm *mvm, __le16 *qos_seq); 1687 int iwl_mvm_enter_d0i3(struct iwl_op_mode *op_mode); 1688 int iwl_mvm_exit_d0i3(struct iwl_op_mode *op_mode); 1689 int _iwl_mvm_exit_d0i3(struct iwl_mvm *mvm); 1690 1691 /* BT Coex */ 1692 int iwl_mvm_send_bt_init_conf(struct iwl_mvm *mvm); 1693 void iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm, 1694 struct iwl_rx_cmd_buffer *rxb); 1695 void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1696 enum ieee80211_rssi_event_data); 1697 void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm); 1698 u16 iwl_mvm_coex_agg_time_limit(struct iwl_mvm *mvm, 1699 struct ieee80211_sta *sta); 1700 bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm, 1701 struct ieee80211_sta *sta); 1702 bool iwl_mvm_bt_coex_is_ant_avail(struct iwl_mvm *mvm, u8 ant); 1703 bool iwl_mvm_bt_coex_is_shared_ant_avail(struct iwl_mvm *mvm); 1704 bool iwl_mvm_bt_coex_is_tpc_allowed(struct iwl_mvm *mvm, 1705 enum nl80211_band band); 1706 u8 iwl_mvm_bt_coex_tx_prio(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr, 1707 struct ieee80211_tx_info *info, u8 ac); 1708 1709 /* beacon filtering */ 1710 #ifdef CONFIG_IWLWIFI_DEBUGFS 1711 void 1712 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif, 1713 struct iwl_beacon_filter_cmd *cmd); 1714 #else 1715 static inline void 1716 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif, 1717 struct iwl_beacon_filter_cmd *cmd) 1718 {} 1719 #endif 1720 int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm, 1721 struct ieee80211_vif *vif, 1722 bool enable, u32 flags); 1723 int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm, 1724 struct ieee80211_vif *vif, 1725 u32 flags); 1726 int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm, 1727 struct ieee80211_vif *vif, 1728 u32 flags); 1729 /* SMPS */ 1730 void iwl_mvm_update_smps(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1731 enum iwl_mvm_smps_type_request req_type, 1732 enum ieee80211_smps_mode smps_request); 1733 bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm *mvm); 1734 1735 /* Low latency */ 1736 int iwl_mvm_update_low_latency(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1737 bool value); 1738 /* get SystemLowLatencyMode - only needed for beacon threshold? */ 1739 bool iwl_mvm_low_latency(struct iwl_mvm *mvm); 1740 /* get VMACLowLatencyMode */ 1741 static inline bool iwl_mvm_vif_low_latency(struct iwl_mvm_vif *mvmvif) 1742 { 1743 /* 1744 * should this consider associated/active/... state? 1745 * 1746 * Normally low-latency should only be active on interfaces 1747 * that are active, but at least with debugfs it can also be 1748 * enabled on interfaces that aren't active. However, when 1749 * interface aren't active then they aren't added into the 1750 * binding, so this has no real impact. For now, just return 1751 * the current desired low-latency state. 1752 */ 1753 return mvmvif->low_latency_dbgfs || 1754 mvmvif->low_latency_traffic || 1755 mvmvif->low_latency_vcmd; 1756 } 1757 1758 /* hw scheduler queue config */ 1759 bool iwl_mvm_enable_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue, 1760 u16 ssn, const struct iwl_trans_txq_scd_cfg *cfg, 1761 unsigned int wdg_timeout); 1762 int iwl_mvm_tvqm_enable_txq(struct iwl_mvm *mvm, int mac80211_queue, 1763 u8 sta_id, u8 tid, unsigned int timeout); 1764 1765 int iwl_mvm_disable_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue, 1766 u8 tid, u8 flags); 1767 int iwl_mvm_find_free_queue(struct iwl_mvm *mvm, u8 sta_id, u8 minq, u8 maxq); 1768 1769 /* Return a bitmask with all the hw supported queues, except for the 1770 * command queue, which can't be flushed. 1771 */ 1772 static inline u32 iwl_mvm_flushable_queues(struct iwl_mvm *mvm) 1773 { 1774 return ((BIT(mvm->cfg->base_params->num_of_queues) - 1) & 1775 ~BIT(IWL_MVM_DQA_CMD_QUEUE)); 1776 } 1777 1778 static inline void iwl_mvm_stop_device(struct iwl_mvm *mvm) 1779 { 1780 iwl_free_fw_paging(&mvm->fwrt); 1781 clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status); 1782 iwl_fw_dump_conf_clear(&mvm->fwrt); 1783 iwl_trans_stop_device(mvm->trans); 1784 } 1785 1786 /* Stop/start all mac queues in a given bitmap */ 1787 void iwl_mvm_start_mac_queues(struct iwl_mvm *mvm, unsigned long mq); 1788 void iwl_mvm_stop_mac_queues(struct iwl_mvm *mvm, unsigned long mq); 1789 1790 /* Re-configure the SCD for a queue that has already been configured */ 1791 int iwl_mvm_reconfig_scd(struct iwl_mvm *mvm, int queue, int fifo, int sta_id, 1792 int tid, int frame_limit, u16 ssn); 1793 1794 /* Thermal management and CT-kill */ 1795 void iwl_mvm_tt_tx_backoff(struct iwl_mvm *mvm, u32 backoff); 1796 void iwl_mvm_tt_temp_changed(struct iwl_mvm *mvm, u32 temp); 1797 void iwl_mvm_temp_notif(struct iwl_mvm *mvm, 1798 struct iwl_rx_cmd_buffer *rxb); 1799 void iwl_mvm_tt_handler(struct iwl_mvm *mvm); 1800 void iwl_mvm_thermal_initialize(struct iwl_mvm *mvm, u32 min_backoff); 1801 void iwl_mvm_thermal_exit(struct iwl_mvm *mvm); 1802 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state); 1803 int iwl_mvm_get_temp(struct iwl_mvm *mvm, s32 *temp); 1804 void iwl_mvm_ct_kill_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 1805 void iwl_mvm_enter_ctkill(struct iwl_mvm *mvm); 1806 int iwl_mvm_send_temp_report_ths_cmd(struct iwl_mvm *mvm); 1807 int iwl_mvm_ctdp_command(struct iwl_mvm *mvm, u32 op, u32 budget); 1808 1809 /* Location Aware Regulatory */ 1810 struct iwl_mcc_update_resp * 1811 iwl_mvm_update_mcc(struct iwl_mvm *mvm, const char *alpha2, 1812 enum iwl_mcc_source src_id); 1813 int iwl_mvm_init_mcc(struct iwl_mvm *mvm); 1814 void iwl_mvm_rx_chub_update_mcc(struct iwl_mvm *mvm, 1815 struct iwl_rx_cmd_buffer *rxb); 1816 struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy, 1817 const char *alpha2, 1818 enum iwl_mcc_source src_id, 1819 bool *changed); 1820 struct ieee80211_regdomain *iwl_mvm_get_current_regdomain(struct iwl_mvm *mvm, 1821 bool *changed); 1822 int iwl_mvm_init_fw_regd(struct iwl_mvm *mvm); 1823 void iwl_mvm_update_changed_regdom(struct iwl_mvm *mvm); 1824 1825 /* smart fifo */ 1826 int iwl_mvm_sf_update(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1827 bool added_vif); 1828 1829 /* TDLS */ 1830 1831 /* 1832 * We use TID 4 (VI) as a FW-used-only TID when TDLS connections are present. 1833 * This TID is marked as used vs the AP and all connected TDLS peers. 1834 */ 1835 #define IWL_MVM_TDLS_FW_TID 4 1836 1837 int iwl_mvm_tdls_sta_count(struct iwl_mvm *mvm, struct ieee80211_vif *vif); 1838 void iwl_mvm_teardown_tdls_peers(struct iwl_mvm *mvm); 1839 void iwl_mvm_recalc_tdls_state(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1840 bool sta_added); 1841 void iwl_mvm_mac_mgd_protect_tdls_discover(struct ieee80211_hw *hw, 1842 struct ieee80211_vif *vif); 1843 int iwl_mvm_tdls_channel_switch(struct ieee80211_hw *hw, 1844 struct ieee80211_vif *vif, 1845 struct ieee80211_sta *sta, u8 oper_class, 1846 struct cfg80211_chan_def *chandef, 1847 struct sk_buff *tmpl_skb, u32 ch_sw_tm_ie); 1848 void iwl_mvm_tdls_recv_channel_switch(struct ieee80211_hw *hw, 1849 struct ieee80211_vif *vif, 1850 struct ieee80211_tdls_ch_sw_params *params); 1851 void iwl_mvm_tdls_cancel_channel_switch(struct ieee80211_hw *hw, 1852 struct ieee80211_vif *vif, 1853 struct ieee80211_sta *sta); 1854 void iwl_mvm_rx_tdls_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); 1855 void iwl_mvm_tdls_ch_switch_work(struct work_struct *work); 1856 1857 void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm *mvm, 1858 struct iwl_mvm_internal_rxq_notif *notif, 1859 u32 size); 1860 void iwl_mvm_reorder_timer_expired(struct timer_list *t); 1861 struct ieee80211_vif *iwl_mvm_get_bss_vif(struct iwl_mvm *mvm); 1862 bool iwl_mvm_is_vif_assoc(struct iwl_mvm *mvm); 1863 1864 void iwl_mvm_inactivity_check(struct iwl_mvm *mvm); 1865 1866 void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error); 1867 unsigned int iwl_mvm_get_wd_timeout(struct iwl_mvm *mvm, 1868 struct ieee80211_vif *vif, 1869 bool tdls, bool cmd_q); 1870 void iwl_mvm_connection_loss(struct iwl_mvm *mvm, struct ieee80211_vif *vif, 1871 const char *errmsg); 1872 void iwl_mvm_event_frame_timeout_callback(struct iwl_mvm *mvm, 1873 struct ieee80211_vif *vif, 1874 const struct ieee80211_sta *sta, 1875 u16 tid); 1876 1877 int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a, int prof_b); 1878 int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm); 1879 #ifdef CONFIG_IWLWIFI_DEBUGFS 1880 void iwl_mvm_sta_add_debugfs(struct ieee80211_hw *hw, 1881 struct ieee80211_vif *vif, 1882 struct ieee80211_sta *sta, 1883 struct dentry *dir); 1884 #endif 1885 1886 #endif /* __IWL_MVM_H__ */ 1887