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
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  19 * General Public License for more details.
  20 *
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  22 * along with this program; if not, write to the Free Software
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  24 * USA
  25 *
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  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
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  54 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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  67
  68#ifndef __IWL_MVM_H__
  69#define __IWL_MVM_H__
  70
  71#include <linux/list.h>
  72#include <linux/spinlock.h>
  73#include <linux/leds.h>
  74#include <linux/in6.h>
  75
  76#ifdef CONFIG_THERMAL
  77#include <linux/thermal.h>
  78#endif
  79
  80#include "iwl-op-mode.h"
  81#include "iwl-trans.h"
  82#include "fw/notif-wait.h"
  83#include "iwl-eeprom-parse.h"
  84#include "fw/file.h"
  85#include "iwl-config.h"
  86#include "sta.h"
  87#include "fw-api.h"
  88#include "constants.h"
  89#include "tof.h"
  90#include "fw/runtime.h"
  91#include "fw/dbg.h"
  92#include "fw/acpi.h"
  93#include "fw/debugfs.h"
  94
  95#define IWL_MVM_MAX_ADDRESSES		5
  96/* RSSI offset for WkP */
  97#define IWL_RSSI_OFFSET 50
  98#define IWL_MVM_MISSED_BEACONS_THRESHOLD 8
  99/* A TimeUnit is 1024 microsecond */
 100#define MSEC_TO_TU(_msec)	(_msec*1000/1024)
 101
 102/* For GO, this value represents the number of TUs before CSA "beacon
 103 * 0" TBTT when the CSA time-event needs to be scheduled to start.  It
 104 * must be big enough to ensure that we switch in time.
 105 */
 106#define IWL_MVM_CHANNEL_SWITCH_TIME_GO		40
 107
 108/* For client, this value represents the number of TUs before CSA
 109 * "beacon 1" TBTT, instead.  This is because we don't know when the
 110 * GO/AP will be in the new channel, so we switch early enough.
 111 */
 112#define IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT	10
 113
 114/*
 115 * This value (in TUs) is used to fine tune the CSA NoA end time which should
 116 * be just before "beacon 0" TBTT.
 117 */
 118#define IWL_MVM_CHANNEL_SWITCH_MARGIN 4
 119
 120/*
 121 * Number of beacons to transmit on a new channel until we unblock tx to
 122 * the stations, even if we didn't identify them on a new channel
 123 */
 124#define IWL_MVM_CS_UNBLOCK_TX_TIMEOUT 3
 125
 126/* offchannel queue towards mac80211 */
 127#define IWL_MVM_OFFCHANNEL_QUEUE 0
 128
 129extern const struct ieee80211_ops iwl_mvm_hw_ops;
 130
 131/**
 132 * struct iwl_mvm_mod_params - module parameters for iwlmvm
 133 * @init_dbg: if true, then the NIC won't be stopped if the INIT fw asserted.
 134 *	We will register to mac80211 to have testmode working. The NIC must not
 135 *	be up'ed after the INIT fw asserted. This is useful to be able to use
 136 *	proprietary tools over testmode to debug the INIT fw.
 137 * @tfd_q_hang_detect: enabled the detection of hung transmit queues
 138 * @power_scheme: one of enum iwl_power_scheme
 139 */
 140struct iwl_mvm_mod_params {
 141	bool init_dbg;
 142	bool tfd_q_hang_detect;
 143	int power_scheme;
 144};
 145extern struct iwl_mvm_mod_params iwlmvm_mod_params;
 146
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 147struct iwl_mvm_phy_ctxt {
 148	u16 id;
 149	u16 color;
 150	u32 ref;
 151
 152	enum nl80211_chan_width width;
 153
 154	/*
 155	 * TODO: This should probably be removed. Currently here only for rate
 156	 * scaling algorithm
 157	 */
 158	struct ieee80211_channel *channel;
 159};
 160
 161struct iwl_mvm_time_event_data {
 162	struct ieee80211_vif *vif;
 163	struct list_head list;
 164	unsigned long end_jiffies;
 165	u32 duration;
 166	bool running;
 167	u32 uid;
 168
 169	/*
 170	 * The access to the 'id' field must be done when the
 171	 * mvm->time_event_lock is held, as it value is used to indicate
 172	 * if the te is in the time event list or not (when id == TE_MAX)
 173	 */
 174	u32 id;
 175};
 176
 177 /* Power management */
 178
 179/**
 180 * enum iwl_power_scheme
 181 * @IWL_POWER_LEVEL_CAM - Continuously Active Mode
 182 * @IWL_POWER_LEVEL_BPS - Balanced Power Save (default)
 183 * @IWL_POWER_LEVEL_LP  - Low Power
 184 */
 185enum iwl_power_scheme {
 186	IWL_POWER_SCHEME_CAM = 1,
 187	IWL_POWER_SCHEME_BPS,
 188	IWL_POWER_SCHEME_LP
 189};
 190
 191#define IWL_CONN_MAX_LISTEN_INTERVAL	10
 192#define IWL_UAPSD_MAX_SP		IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL
 193
 194#ifdef CONFIG_IWLWIFI_DEBUGFS
 195enum iwl_dbgfs_pm_mask {
 196	MVM_DEBUGFS_PM_KEEP_ALIVE = BIT(0),
 197	MVM_DEBUGFS_PM_SKIP_OVER_DTIM = BIT(1),
 198	MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS = BIT(2),
 199	MVM_DEBUGFS_PM_RX_DATA_TIMEOUT = BIT(3),
 200	MVM_DEBUGFS_PM_TX_DATA_TIMEOUT = BIT(4),
 201	MVM_DEBUGFS_PM_LPRX_ENA = BIT(6),
 202	MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD = BIT(7),
 203	MVM_DEBUGFS_PM_SNOOZE_ENABLE = BIT(8),
 204	MVM_DEBUGFS_PM_UAPSD_MISBEHAVING = BIT(9),
 205	MVM_DEBUGFS_PM_USE_PS_POLL = BIT(10),
 206};
 207
 208struct iwl_dbgfs_pm {
 209	u16 keep_alive_seconds;
 210	u32 rx_data_timeout;
 211	u32 tx_data_timeout;
 212	bool skip_over_dtim;
 213	u8 skip_dtim_periods;
 214	bool lprx_ena;
 215	u32 lprx_rssi_threshold;
 216	bool snooze_ena;
 217	bool uapsd_misbehaving;
 218	bool use_ps_poll;
 219	int mask;
 220};
 221
 222/* beacon filtering */
 223
 224enum iwl_dbgfs_bf_mask {
 225	MVM_DEBUGFS_BF_ENERGY_DELTA = BIT(0),
 226	MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA = BIT(1),
 227	MVM_DEBUGFS_BF_ROAMING_STATE = BIT(2),
 228	MVM_DEBUGFS_BF_TEMP_THRESHOLD = BIT(3),
 229	MVM_DEBUGFS_BF_TEMP_FAST_FILTER = BIT(4),
 230	MVM_DEBUGFS_BF_TEMP_SLOW_FILTER = BIT(5),
 231	MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER = BIT(6),
 232	MVM_DEBUGFS_BF_DEBUG_FLAG = BIT(7),
 233	MVM_DEBUGFS_BF_ESCAPE_TIMER = BIT(8),
 234	MVM_DEBUGFS_BA_ESCAPE_TIMER = BIT(9),
 235	MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT = BIT(10),
 236};
 237
 238struct iwl_dbgfs_bf {
 239	u32 bf_energy_delta;
 240	u32 bf_roaming_energy_delta;
 241	u32 bf_roaming_state;
 242	u32 bf_temp_threshold;
 243	u32 bf_temp_fast_filter;
 244	u32 bf_temp_slow_filter;
 245	u32 bf_enable_beacon_filter;
 246	u32 bf_debug_flag;
 247	u32 bf_escape_timer;
 248	u32 ba_escape_timer;
 249	u32 ba_enable_beacon_abort;
 250	int mask;
 251};
 252#endif
 253
 254enum iwl_mvm_smps_type_request {
 255	IWL_MVM_SMPS_REQ_BT_COEX,
 256	IWL_MVM_SMPS_REQ_TT,
 257	IWL_MVM_SMPS_REQ_PROT,
 258	NUM_IWL_MVM_SMPS_REQ,
 259};
 260
 261enum iwl_mvm_ref_type {
 262	IWL_MVM_REF_UCODE_DOWN,
 263	IWL_MVM_REF_SCAN,
 264	IWL_MVM_REF_ROC,
 265	IWL_MVM_REF_ROC_AUX,
 266	IWL_MVM_REF_P2P_CLIENT,
 267	IWL_MVM_REF_AP_IBSS,
 268	IWL_MVM_REF_USER,
 269	IWL_MVM_REF_TX,
 270	IWL_MVM_REF_TX_AGG,
 271	IWL_MVM_REF_ADD_IF,
 272	IWL_MVM_REF_START_AP,
 273	IWL_MVM_REF_BSS_CHANGED,
 274	IWL_MVM_REF_PREPARE_TX,
 275	IWL_MVM_REF_PROTECT_TDLS,
 276	IWL_MVM_REF_CHECK_CTKILL,
 277	IWL_MVM_REF_PRPH_READ,
 278	IWL_MVM_REF_PRPH_WRITE,
 279	IWL_MVM_REF_NMI,
 280	IWL_MVM_REF_TM_CMD,
 281	IWL_MVM_REF_EXIT_WORK,
 282	IWL_MVM_REF_PROTECT_CSA,
 283	IWL_MVM_REF_FW_DBG_COLLECT,
 284	IWL_MVM_REF_INIT_UCODE,
 285	IWL_MVM_REF_SENDING_CMD,
 286	IWL_MVM_REF_RX,
 287
 288	/* update debugfs.c when changing this */
 289
 290	IWL_MVM_REF_COUNT,
 291};
 292
 293enum iwl_bt_force_ant_mode {
 294	BT_FORCE_ANT_DIS = 0,
 295	BT_FORCE_ANT_AUTO,
 296	BT_FORCE_ANT_BT,
 297	BT_FORCE_ANT_WIFI,
 298
 299	BT_FORCE_ANT_MAX,
 300};
 301
 302/**
 303* struct iwl_mvm_low_latency_cause - low latency set causes
 304* @LOW_LATENCY_TRAFFIC: indicates low latency traffic was detected
 305* @LOW_LATENCY_DEBUGFS: low latency mode set from debugfs
 306* @LOW_LATENCY_VCMD: low latency mode set from vendor command
 307*/
 308enum iwl_mvm_low_latency_cause {
 309	LOW_LATENCY_TRAFFIC = BIT(0),
 310	LOW_LATENCY_DEBUGFS = BIT(1),
 311	LOW_LATENCY_VCMD = BIT(2),
 312};
 313
 314/**
 315* struct iwl_mvm_vif_bf_data - beacon filtering related data
 316* @bf_enabled: indicates if beacon filtering is enabled
 317* @ba_enabled: indicated if beacon abort is enabled
 318* @ave_beacon_signal: average beacon signal
 319* @last_cqm_event: rssi of the last cqm event
 320* @bt_coex_min_thold: minimum threshold for BT coex
 321* @bt_coex_max_thold: maximum threshold for BT coex
 322* @last_bt_coex_event: rssi of the last BT coex event
 323*/
 324struct iwl_mvm_vif_bf_data {
 325	bool bf_enabled;
 326	bool ba_enabled;
 327	int ave_beacon_signal;
 328	int last_cqm_event;
 329	int bt_coex_min_thold;
 330	int bt_coex_max_thold;
 331	int last_bt_coex_event;
 332};
 333
 334/**
 335 * struct iwl_mvm_vif - data per Virtual Interface, it is a MAC context
 336 * @id: between 0 and 3
 337 * @color: to solve races upon MAC addition and removal
 338 * @ap_sta_id: the sta_id of the AP - valid only if VIF type is STA
 339 * @bssid: BSSID for this (client) interface
 340 * @associated: indicates that we're currently associated, used only for
 341 *	managing the firmware state in iwl_mvm_bss_info_changed_station()
 342 * @ap_assoc_sta_count: count of stations associated to us - valid only
 343 *	if VIF type is AP
 344 * @uploaded: indicates the MAC context has been added to the device
 345 * @ap_ibss_active: indicates that AP/IBSS is configured and that the interface
 346 *	should get quota etc.
 347 * @pm_enabled - Indicate if MAC power management is allowed
 348 * @monitor_active: indicates that monitor context is configured, and that the
 349 *	interface should get quota etc.
 350 * @low_latency: indicates low latency is set, see
 351 *	enum &iwl_mvm_low_latency_cause for causes.
 
 352 * @ps_disabled: indicates that this interface requires PS to be disabled
 353 * @queue_params: QoS params for this MAC
 354 * @bcast_sta: station used for broadcast packets. Used by the following
 355 *  vifs: P2P_DEVICE, GO and AP.
 356 * @beacon_skb: the skb used to hold the AP/GO beacon template
 357 * @smps_requests: the SMPS requests of different parts of the driver,
 358 *	combined on update to yield the overall request to mac80211.
 359 * @beacon_stats: beacon statistics, containing the # of received beacons,
 360 *	# of received beacons accumulated over FW restart, and the current
 361 *	average signal of beacons retrieved from the firmware
 362 * @csa_failed: CSA failed to schedule time event, report an error later
 363 * @features: hw features active for this vif
 364 */
 365struct iwl_mvm_vif {
 366	struct iwl_mvm *mvm;
 367	u16 id;
 368	u16 color;
 369	u8 ap_sta_id;
 370
 371	u8 bssid[ETH_ALEN];
 372	bool associated;
 373	u8 ap_assoc_sta_count;
 374
 375	u16 cab_queue;
 376
 377	bool uploaded;
 378	bool ap_ibss_active;
 379	bool pm_enabled;
 380	bool monitor_active;
 381	u8 low_latency;
 382	bool ps_disabled;
 383	struct iwl_mvm_vif_bf_data bf_data;
 384
 385	struct {
 386		u32 num_beacons, accu_num_beacons;
 387		u8 avg_signal;
 388	} beacon_stats;
 389
 390	u32 ap_beacon_time;
 391
 392	enum iwl_tsf_id tsf_id;
 393
 394	/*
 395	 * QoS data from mac80211, need to store this here
 396	 * as mac80211 has a separate callback but we need
 397	 * to have the data for the MAC context
 398	 */
 399	struct ieee80211_tx_queue_params queue_params[IEEE80211_NUM_ACS];
 400	struct iwl_mvm_time_event_data time_event_data;
 401	struct iwl_mvm_time_event_data hs_time_event_data;
 402
 403	struct iwl_mvm_int_sta bcast_sta;
 404	struct iwl_mvm_int_sta mcast_sta;
 405
 406	/*
 407	 * Assigned while mac80211 has the interface in a channel context,
 408	 * or, for P2P Device, while it exists.
 409	 */
 410	struct iwl_mvm_phy_ctxt *phy_ctxt;
 411
 412#ifdef CONFIG_PM
 413	/* WoWLAN GTK rekey data */
 414	struct {
 415		u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN];
 416		__le64 replay_ctr;
 417		bool valid;
 418	} rekey_data;
 419
 420	int tx_key_idx;
 421
 422	bool seqno_valid;
 423	u16 seqno;
 424#endif
 425
 426#if IS_ENABLED(CONFIG_IPV6)
 427	/* IPv6 addresses for WoWLAN */
 428	struct in6_addr target_ipv6_addrs[IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_MAX];
 429	unsigned long tentative_addrs[BITS_TO_LONGS(IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_MAX)];
 430	int num_target_ipv6_addrs;
 431#endif
 432
 433#ifdef CONFIG_IWLWIFI_DEBUGFS
 434	struct dentry *dbgfs_dir;
 435	struct dentry *dbgfs_slink;
 436	struct iwl_dbgfs_pm dbgfs_pm;
 437	struct iwl_dbgfs_bf dbgfs_bf;
 438	struct iwl_mac_power_cmd mac_pwr_cmd;
 439	int dbgfs_quota_min;
 440#endif
 441
 442	enum ieee80211_smps_mode smps_requests[NUM_IWL_MVM_SMPS_REQ];
 443
 444	/* FW identified misbehaving AP */
 445	u8 uapsd_misbehaving_bssid[ETH_ALEN];
 446
 447	/* Indicates that CSA countdown may be started */
 448	bool csa_countdown;
 449	bool csa_failed;
 450	u16 csa_target_freq;
 451
 452	/* Indicates that we are waiting for a beacon on a new channel */
 453	bool csa_bcn_pending;
 454
 455	/* TCP Checksum Offload */
 456	netdev_features_t features;
 
 
 
 
 
 
 457};
 458
 459static inline struct iwl_mvm_vif *
 460iwl_mvm_vif_from_mac80211(struct ieee80211_vif *vif)
 461{
 462	if (!vif)
 463		return NULL;
 464	return (void *)vif->drv_priv;
 465}
 466
 467extern const u8 tid_to_mac80211_ac[];
 468
 469#define IWL_MVM_SCAN_STOPPING_SHIFT	8
 470
 471enum iwl_scan_status {
 472	IWL_MVM_SCAN_REGULAR		= BIT(0),
 473	IWL_MVM_SCAN_SCHED		= BIT(1),
 474	IWL_MVM_SCAN_NETDETECT		= BIT(2),
 475
 476	IWL_MVM_SCAN_STOPPING_REGULAR	= BIT(8),
 477	IWL_MVM_SCAN_STOPPING_SCHED	= BIT(9),
 478	IWL_MVM_SCAN_STOPPING_NETDETECT	= BIT(10),
 479
 480	IWL_MVM_SCAN_REGULAR_MASK	= IWL_MVM_SCAN_REGULAR |
 481					  IWL_MVM_SCAN_STOPPING_REGULAR,
 482	IWL_MVM_SCAN_SCHED_MASK		= IWL_MVM_SCAN_SCHED |
 483					  IWL_MVM_SCAN_STOPPING_SCHED,
 484	IWL_MVM_SCAN_NETDETECT_MASK	= IWL_MVM_SCAN_NETDETECT |
 485					  IWL_MVM_SCAN_STOPPING_NETDETECT,
 486
 487	IWL_MVM_SCAN_STOPPING_MASK	= 0xff << IWL_MVM_SCAN_STOPPING_SHIFT,
 488	IWL_MVM_SCAN_MASK		= 0xff,
 489};
 490
 491enum iwl_mvm_scan_type {
 492	IWL_SCAN_TYPE_NOT_SET,
 493	IWL_SCAN_TYPE_UNASSOC,
 494	IWL_SCAN_TYPE_WILD,
 495	IWL_SCAN_TYPE_MILD,
 496	IWL_SCAN_TYPE_FRAGMENTED,
 497};
 498
 499enum iwl_mvm_sched_scan_pass_all_states {
 500	SCHED_SCAN_PASS_ALL_DISABLED,
 501	SCHED_SCAN_PASS_ALL_ENABLED,
 502	SCHED_SCAN_PASS_ALL_FOUND,
 503};
 504
 505/**
 506 * struct iwl_nvm_section - describes an NVM section in memory.
 507 *
 508 * This struct holds an NVM section read from the NIC using NVM_ACCESS_CMD,
 509 * and saved for later use by the driver. Not all NVM sections are saved
 510 * this way, only the needed ones.
 511 */
 512struct iwl_nvm_section {
 513	u16 length;
 514	const u8 *data;
 515};
 516
 517/**
 518 * struct iwl_mvm_tt_mgnt - Thermal Throttling Management structure
 519 * @ct_kill_exit: worker to exit thermal kill
 520 * @dynamic_smps: Is thermal throttling enabled dynamic_smps?
 521 * @tx_backoff: The current thremal throttling tx backoff in uSec.
 522 * @min_backoff: The minimal tx backoff due to power restrictions
 523 * @params: Parameters to configure the thermal throttling algorithm.
 524 * @throttle: Is thermal throttling is active?
 525 */
 526struct iwl_mvm_tt_mgmt {
 527	struct delayed_work ct_kill_exit;
 528	bool dynamic_smps;
 529	u32 tx_backoff;
 530	u32 min_backoff;
 531	struct iwl_tt_params params;
 532	bool throttle;
 533};
 534
 535#ifdef CONFIG_THERMAL
 536/**
 537 *struct iwl_mvm_thermal_device - thermal zone related data
 538 * @temp_trips: temperature thresholds for report
 539 * @fw_trips_index: keep indexes to original array - temp_trips
 540 * @tzone: thermal zone device data
 541*/
 542struct iwl_mvm_thermal_device {
 543	s16 temp_trips[IWL_MAX_DTS_TRIPS];
 544	u8 fw_trips_index[IWL_MAX_DTS_TRIPS];
 545	struct thermal_zone_device *tzone;
 546};
 547
 548/*
 549 * struct iwl_mvm_cooling_device
 550 * @cur_state: current state
 551 * @cdev: struct thermal cooling device
 552 */
 553struct iwl_mvm_cooling_device {
 554	u32 cur_state;
 555	struct thermal_cooling_device *cdev;
 556};
 557#endif
 558
 559#define IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES 8
 560
 561struct iwl_mvm_frame_stats {
 562	u32 legacy_frames;
 563	u32 ht_frames;
 564	u32 vht_frames;
 565	u32 bw_20_frames;
 566	u32 bw_40_frames;
 567	u32 bw_80_frames;
 568	u32 bw_160_frames;
 569	u32 sgi_frames;
 570	u32 ngi_frames;
 571	u32 siso_frames;
 572	u32 mimo2_frames;
 573	u32 agg_frames;
 574	u32 ampdu_count;
 575	u32 success_frames;
 576	u32 fail_frames;
 577	u32 last_rates[IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES];
 578	int last_frame_idx;
 579};
 580
 581enum {
 582	D0I3_DEFER_WAKEUP,
 583	D0I3_PENDING_WAKEUP,
 584};
 585
 586#define IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE 0xff
 587#define IWL_MVM_DEBUG_SET_TEMPERATURE_MIN -100
 588#define IWL_MVM_DEBUG_SET_TEMPERATURE_MAX 200
 589
 590enum iwl_mvm_tdls_cs_state {
 591	IWL_MVM_TDLS_SW_IDLE = 0,
 592	IWL_MVM_TDLS_SW_REQ_SENT,
 593	IWL_MVM_TDLS_SW_RESP_RCVD,
 594	IWL_MVM_TDLS_SW_REQ_RCVD,
 595	IWL_MVM_TDLS_SW_ACTIVE,
 596};
 597
 
 
 
 
 
 
 
 
 598/**
 599 * struct iwl_mvm_reorder_buffer - per ra/tid/queue reorder buffer
 600 * @head_sn: reorder window head sn
 601 * @num_stored: number of mpdus stored in the buffer
 602 * @buf_size: the reorder buffer size as set by the last addba request
 
 603 * @queue: queue of this reorder buffer
 604 * @last_amsdu: track last ASMDU SN for duplication detection
 605 * @last_sub_index: track ASMDU sub frame index for duplication detection
 
 
 606 * @reorder_timer: timer for frames are in the reorder buffer. For AMSDU
 607 *	it is the time of last received sub-frame
 608 * @removed: prevent timer re-arming
 609 * @valid: reordering is valid for this queue
 610 * @lock: protect reorder buffer internal state
 611 * @mvm: mvm pointer, needed for frame timer context
 612 */
 613struct iwl_mvm_reorder_buffer {
 614	u16 head_sn;
 615	u16 num_stored;
 616	u8 buf_size;
 
 617	int queue;
 618	u16 last_amsdu;
 619	u8 last_sub_index;
 
 
 620	struct timer_list reorder_timer;
 621	bool removed;
 622	bool valid;
 623	spinlock_t lock;
 624	struct iwl_mvm *mvm;
 625} ____cacheline_aligned_in_smp;
 626
 627/**
 628 * struct _iwl_mvm_reorder_buf_entry - reorder buffer entry per-queue/per-seqno
 629 * @frames: list of skbs stored
 630 * @reorder_time: time the packet was stored in the reorder buffer
 631 */
 632struct _iwl_mvm_reorder_buf_entry {
 633	struct sk_buff_head frames;
 634	unsigned long reorder_time;
 635};
 636
 637/* make this indirection to get the aligned thing */
 638struct iwl_mvm_reorder_buf_entry {
 639	struct _iwl_mvm_reorder_buf_entry e;
 640}
 641#ifndef __CHECKER__
 642/* sparse doesn't like this construct: "bad integer constant expression" */
 643__aligned(roundup_pow_of_two(sizeof(struct _iwl_mvm_reorder_buf_entry)))
 644#endif
 645;
 646
 647/**
 648 * struct iwl_mvm_baid_data - BA session data
 649 * @sta_id: station id
 650 * @tid: tid of the session
 651 * @baid baid of the session
 652 * @timeout: the timeout set in the addba request
 653 * @entries_per_queue: # of buffers per queue, this actually gets
 654 *	aligned up to avoid cache line sharing between queues
 655 * @last_rx: last rx jiffies, updated only if timeout passed from last update
 656 * @session_timer: timer to check if BA session expired, runs at 2 * timeout
 657 * @mvm: mvm pointer, needed for timer context
 658 * @reorder_buf: reorder buffer, allocated per queue
 659 * @reorder_buf_data: data
 660 */
 661struct iwl_mvm_baid_data {
 662	struct rcu_head rcu_head;
 663	u8 sta_id;
 664	u8 tid;
 665	u8 baid;
 666	u16 timeout;
 667	u16 entries_per_queue;
 668	unsigned long last_rx;
 669	struct timer_list session_timer;
 670	struct iwl_mvm_baid_data __rcu **rcu_ptr;
 671	struct iwl_mvm *mvm;
 672	struct iwl_mvm_reorder_buffer reorder_buf[IWL_MAX_RX_HW_QUEUES];
 673	struct iwl_mvm_reorder_buf_entry entries[];
 674};
 675
 676static inline struct iwl_mvm_baid_data *
 677iwl_mvm_baid_data_from_reorder_buf(struct iwl_mvm_reorder_buffer *buf)
 678{
 679	return (void *)((u8 *)buf -
 680			offsetof(struct iwl_mvm_baid_data, reorder_buf) -
 681			sizeof(*buf) * buf->queue);
 682}
 683
 684/*
 685 * enum iwl_mvm_queue_status - queue status
 686 * @IWL_MVM_QUEUE_FREE: the queue is not allocated nor reserved
 687 *	Basically, this means that this queue can be used for any purpose
 688 * @IWL_MVM_QUEUE_RESERVED: queue is reserved but not yet in use
 689 *	This is the state of a queue that has been dedicated for some RATID
 690 *	(agg'd or not), but that hasn't yet gone through the actual enablement
 691 *	of iwl_mvm_enable_txq(), and therefore no traffic can go through it yet.
 692 *	Note that in this state there is no requirement to already know what TID
 693 *	should be used with this queue, it is just marked as a queue that will
 694 *	be used, and shouldn't be allocated to anyone else.
 695 * @IWL_MVM_QUEUE_READY: queue is ready to be used
 696 *	This is the state of a queue that has been fully configured (including
 697 *	SCD pointers, etc), has a specific RA/TID assigned to it, and can be
 698 *	used to send traffic.
 699 * @IWL_MVM_QUEUE_SHARED: queue is shared, or in a process of becoming shared
 700 *	This is a state in which a single queue serves more than one TID, all of
 701 *	which are not aggregated. Note that the queue is only associated to one
 702 *	RA.
 703 * @IWL_MVM_QUEUE_INACTIVE: queue is allocated but no traffic on it
 704 *	This is a state of a queue that has had traffic on it, but during the
 705 *	last %IWL_MVM_DQA_QUEUE_TIMEOUT time period there has been no traffic on
 706 *	it. In this state, when a new queue is needed to be allocated but no
 707 *	such free queue exists, an inactive queue might be freed and given to
 708 *	the new RA/TID.
 709 * @IWL_MVM_QUEUE_RECONFIGURING: queue is being reconfigured
 710 *	This is the state of a queue that has had traffic pass through it, but
 711 *	needs to be reconfigured for some reason, e.g. the queue needs to
 712 *	become unshared and aggregations re-enabled on.
 713 */
 714enum iwl_mvm_queue_status {
 715	IWL_MVM_QUEUE_FREE,
 716	IWL_MVM_QUEUE_RESERVED,
 717	IWL_MVM_QUEUE_READY,
 718	IWL_MVM_QUEUE_SHARED,
 719	IWL_MVM_QUEUE_INACTIVE,
 720	IWL_MVM_QUEUE_RECONFIGURING,
 721};
 722
 723#define IWL_MVM_DQA_QUEUE_TIMEOUT	(5 * HZ)
 724#define IWL_MVM_INVALID_QUEUE		0xFFFF
 725
 726#define IWL_MVM_NUM_CIPHERS             10
 727
 728struct iwl_mvm_sar_profile {
 729	bool enabled;
 730	u8 table[ACPI_SAR_TABLE_SIZE];
 731};
 732
 733struct iwl_mvm_geo_profile {
 734	u8 values[ACPI_GEO_TABLE_SIZE];
 735};
 736
 737struct iwl_mvm {
 738	/* for logger access */
 739	struct device *dev;
 740
 741	struct iwl_trans *trans;
 742	const struct iwl_fw *fw;
 743	const struct iwl_cfg *cfg;
 744	struct iwl_phy_db *phy_db;
 745	struct ieee80211_hw *hw;
 746
 747	/* for protecting access to iwl_mvm */
 748	struct mutex mutex;
 749	struct list_head async_handlers_list;
 750	spinlock_t async_handlers_lock;
 751	struct work_struct async_handlers_wk;
 752
 753	struct work_struct roc_done_wk;
 754
 755	unsigned long init_status;
 756
 757	unsigned long status;
 758
 759	u32 queue_sync_cookie;
 760	atomic_t queue_sync_counter;
 761	/*
 762	 * for beacon filtering -
 763	 * currently only one interface can be supported
 764	 */
 765	struct iwl_mvm_vif *bf_allowed_vif;
 766
 767	bool hw_registered;
 
 768	bool calibrating;
 769	u32 error_event_table[2];
 770	u32 log_event_table;
 771	u32 umac_error_event_table;
 772	bool support_umac_log;
 
 773
 774	u32 ampdu_ref;
 775	bool ampdu_toggle;
 776
 777	struct iwl_notif_wait_data notif_wait;
 778
 779	union {
 780		struct mvm_statistics_rx_v3 rx_stats_v3;
 781		struct mvm_statistics_rx rx_stats;
 782	};
 783
 784	struct {
 785		u64 rx_time;
 786		u64 tx_time;
 787		u64 on_time_rf;
 788		u64 on_time_scan;
 789	} radio_stats, accu_radio_stats;
 790
 791	u16 hw_queue_to_mac80211[IWL_MAX_TVQM_QUEUES];
 792
 793	struct {
 
 
 794		u8 hw_queue_refcount;
 795		u8 ra_sta_id; /* The RA this queue is mapped to, if exists */
 796		bool reserved; /* Is this the TXQ reserved for a STA */
 797		u8 mac80211_ac; /* The mac80211 AC this queue is mapped to */
 798		u8 txq_tid; /* The TID "owner" of this queue*/
 799		u16 tid_bitmap; /* Bitmap of the TIDs mapped to this queue */
 800		/* Timestamp for inactivation per TID of this queue */
 801		unsigned long last_frame_time[IWL_MAX_TID_COUNT + 1];
 802		enum iwl_mvm_queue_status status;
 803	} queue_info[IWL_MAX_HW_QUEUES];
 804	spinlock_t queue_info_lock; /* For syncing queue mgmt operations */
 805	struct work_struct add_stream_wk; /* To add streams to queues */
 806
 807	atomic_t mac80211_queue_stop_count[IEEE80211_MAX_QUEUES];
 808
 809	const char *nvm_file_name;
 810	struct iwl_nvm_data *nvm_data;
 811	/* NVM sections */
 812	struct iwl_nvm_section nvm_sections[NVM_MAX_NUM_SECTIONS];
 813
 814	struct iwl_fw_runtime fwrt;
 
 
 
 815
 816	/* EEPROM MAC addresses */
 817	struct mac_address addresses[IWL_MVM_MAX_ADDRESSES];
 818
 819	/* data related to data path */
 820	struct iwl_rx_phy_info last_phy_info;
 821	struct ieee80211_sta __rcu *fw_id_to_mac_id[IWL_MVM_STATION_COUNT];
 
 822	unsigned long sta_deferred_frames[BITS_TO_LONGS(IWL_MVM_STATION_COUNT)];
 
 
 
 823	u8 rx_ba_sessions;
 824
 825	/* configured by mac80211 */
 826	u32 rts_threshold;
 827
 828	/* Scan status, cmd (pre-allocated) and auxiliary station */
 829	unsigned int scan_status;
 830	void *scan_cmd;
 831	struct iwl_mcast_filter_cmd *mcast_filter_cmd;
 832	enum iwl_mvm_scan_type scan_type;
 833	enum iwl_mvm_sched_scan_pass_all_states sched_scan_pass_all;
 834	struct delayed_work scan_timeout_dwork;
 835
 836	/* max number of simultaneous scans the FW supports */
 837	unsigned int max_scans;
 838
 
 
 
 839	/* UMAC scan tracking */
 840	u32 scan_uid_status[IWL_MVM_MAX_UMAC_SCANS];
 841
 842	/* start time of last scan in TSF of the mac that requested the scan */
 843	u64 scan_start;
 844
 845	/* the vif that requested the current scan */
 846	struct iwl_mvm_vif *scan_vif;
 847
 848	/* rx chain antennas set through debugfs for the scan command */
 849	u8 scan_rx_ant;
 850
 851#ifdef CONFIG_IWLWIFI_BCAST_FILTERING
 852	/* broadcast filters to configure for each associated station */
 853	const struct iwl_fw_bcast_filter *bcast_filters;
 854#ifdef CONFIG_IWLWIFI_DEBUGFS
 855	struct {
 856		bool override;
 857		struct iwl_bcast_filter_cmd cmd;
 858	} dbgfs_bcast_filtering;
 859#endif
 860#endif
 861
 862	/* Internal station */
 863	struct iwl_mvm_int_sta aux_sta;
 864	struct iwl_mvm_int_sta snif_sta;
 865
 866	bool last_ebs_successful;
 867
 868	u8 scan_last_antenna_idx; /* to toggle TX between antennas */
 869	u8 mgmt_last_antenna_idx;
 870
 871	/* last smart fifo state that was successfully sent to firmware */
 872	enum iwl_sf_state sf_state;
 873
 874#ifdef CONFIG_IWLWIFI_DEBUGFS
 875	struct dentry *debugfs_dir;
 876	u32 dbgfs_sram_offset, dbgfs_sram_len;
 877	u32 dbgfs_prph_reg_addr;
 878	bool disable_power_off;
 879	bool disable_power_off_d3;
 880
 881	bool scan_iter_notif_enabled;
 882
 883	struct debugfs_blob_wrapper nvm_hw_blob;
 884	struct debugfs_blob_wrapper nvm_sw_blob;
 885	struct debugfs_blob_wrapper nvm_calib_blob;
 886	struct debugfs_blob_wrapper nvm_prod_blob;
 887	struct debugfs_blob_wrapper nvm_phy_sku_blob;
 888
 889	struct iwl_mvm_frame_stats drv_rx_stats;
 890	spinlock_t drv_stats_lock;
 891	u16 dbgfs_rx_phyinfo;
 892#endif
 893
 894	struct iwl_mvm_phy_ctxt phy_ctxts[NUM_PHY_CTX];
 895
 896	struct list_head time_event_list;
 897	spinlock_t time_event_lock;
 898
 899	/*
 900	 * A bitmap indicating the index of the key in use. The firmware
 901	 * can hold 16 keys at most. Reflect this fact.
 902	 */
 903	unsigned long fw_key_table[BITS_TO_LONGS(STA_KEY_MAX_NUM)];
 904	u8 fw_key_deleted[STA_KEY_MAX_NUM];
 905
 906	/* references taken by the driver and spinlock protecting them */
 907	spinlock_t refs_lock;
 908	u8 refs[IWL_MVM_REF_COUNT];
 909
 910	u8 vif_count;
 911
 912	/* -1 for always, 0 for never, >0 for that many times */
 913	s8 fw_restart;
 
 
 
 
 914
 915#ifdef CONFIG_IWLWIFI_LEDS
 916	struct led_classdev led;
 917#endif
 918
 919	struct ieee80211_vif *p2p_device_vif;
 920
 921#ifdef CONFIG_PM
 922	struct wiphy_wowlan_support wowlan;
 923	int gtk_ivlen, gtk_icvlen, ptk_ivlen, ptk_icvlen;
 924
 925	/* sched scan settings for net detect */
 926	struct ieee80211_scan_ies nd_ies;
 927	struct cfg80211_match_set *nd_match_sets;
 928	int n_nd_match_sets;
 929	struct ieee80211_channel **nd_channels;
 930	int n_nd_channels;
 931	bool net_detect;
 932#ifdef CONFIG_IWLWIFI_DEBUGFS
 933	bool d3_wake_sysassert;
 934	bool d3_test_active;
 935	bool store_d3_resume_sram;
 936	void *d3_resume_sram;
 937	u32 d3_test_pme_ptr;
 938	struct ieee80211_vif *keep_vif;
 939	u32 last_netdetect_scans; /* no. of scans in the last net-detect wake */
 940#endif
 941#endif
 942
 943	/* d0i3 */
 944	u8 d0i3_ap_sta_id;
 945	bool d0i3_offloading;
 946	struct work_struct d0i3_exit_work;
 947	struct sk_buff_head d0i3_tx;
 948	/* protect d0i3_suspend_flags */
 949	struct mutex d0i3_suspend_mutex;
 950	unsigned long d0i3_suspend_flags;
 951	/* sync d0i3_tx queue and IWL_MVM_STATUS_IN_D0I3 status flag */
 952	spinlock_t d0i3_tx_lock;
 953	wait_queue_head_t d0i3_exit_waitq;
 954	wait_queue_head_t rx_sync_waitq;
 955
 956	/* BT-Coex */
 957	struct iwl_bt_coex_profile_notif last_bt_notif;
 958	struct iwl_bt_coex_ci_cmd last_bt_ci_cmd;
 959
 
 
 960	u8 bt_tx_prio;
 961	enum iwl_bt_force_ant_mode bt_force_ant_mode;
 962
 963	/* Aux ROC */
 964	struct list_head aux_roc_te_list;
 965
 966	/* Thermal Throttling and CTkill */
 967	struct iwl_mvm_tt_mgmt thermal_throttle;
 968#ifdef CONFIG_THERMAL
 969	struct iwl_mvm_thermal_device tz_device;
 970	struct iwl_mvm_cooling_device cooling_dev;
 971#endif
 972
 973	s32 temperature;	/* Celsius */
 974	/*
 975	 * Debug option to set the NIC temperature. This option makes the
 976	 * driver think this is the actual NIC temperature, and ignore the
 977	 * real temperature that is received from the fw
 978	 */
 979	bool temperature_test;  /* Debug test temperature is enabled */
 980
 981	struct iwl_time_quota_cmd last_quota_cmd;
 982
 983#ifdef CONFIG_NL80211_TESTMODE
 984	u32 noa_duration;
 985	struct ieee80211_vif *noa_vif;
 986#endif
 987
 988	/* Tx queues */
 989	u16 aux_queue;
 990	u16 snif_queue;
 991	u16 probe_queue;
 992	u16 p2p_dev_queue;
 993
 994	/* Indicate if device power save is allowed */
 995	u8 ps_disabled; /* u8 instead of bool to ease debugfs_create_* usage */
 996	unsigned int max_amsdu_len; /* used for debugfs only */
 997
 998	struct ieee80211_vif __rcu *csa_vif;
 999	struct ieee80211_vif __rcu *csa_tx_blocked_vif;
1000	u8 csa_tx_block_bcn_timeout;
1001
1002	/* system time of last beacon (for AP/GO interface) */
1003	u32 ap_last_beacon_gp2;
1004
1005	/* indicates that we transmitted the last beacon */
1006	bool ibss_manager;
1007
1008	bool lar_regdom_set;
1009	enum iwl_mcc_source mcc_src;
1010
1011	/* TDLS channel switch data */
1012	struct {
1013		struct delayed_work dwork;
1014		enum iwl_mvm_tdls_cs_state state;
1015
1016		/*
1017		 * Current cs sta - might be different from periodic cs peer
1018		 * station. Value is meaningless when the cs-state is idle.
1019		 */
1020		u8 cur_sta_id;
1021
1022		/* TDLS periodic channel-switch peer */
1023		struct {
1024			u8 sta_id;
1025			u8 op_class;
1026			bool initiator; /* are we the link initiator */
1027			struct cfg80211_chan_def chandef;
1028			struct sk_buff *skb; /* ch sw template */
1029			u32 ch_sw_tm_ie;
1030
1031			/* timestamp of last ch-sw request sent (GP2 time) */
1032			u32 sent_timestamp;
1033		} peer;
1034	} tdls_cs;
1035
 
1036
1037	u32 ciphers[IWL_MVM_NUM_CIPHERS];
1038	struct ieee80211_cipher_scheme cs[IWL_UCODE_MAX_CS];
1039	struct iwl_mvm_tof_data tof_data;
1040
1041	struct ieee80211_vif *nan_vif;
1042#define IWL_MAX_BAID	32
1043	struct iwl_mvm_baid_data __rcu *baid_map[IWL_MAX_BAID];
1044
1045	/*
1046	 * Drop beacons from other APs in AP mode when there are no connected
1047	 * clients.
1048	 */
1049	bool drop_bcn_ap_mode;
1050
1051	struct delayed_work cs_tx_unblock_dwork;
1052
1053	/* does a monitor vif exist (only one can exist hence bool) */
1054	bool monitor_on;
1055#ifdef CONFIG_ACPI
1056	struct iwl_mvm_sar_profile sar_profiles[ACPI_SAR_PROFILE_NUM];
1057	struct iwl_mvm_geo_profile geo_profiles[ACPI_NUM_GEO_PROFILES];
1058#endif
1059};
1060
1061/* Extract MVM priv from op_mode and _hw */
1062#define IWL_OP_MODE_GET_MVM(_iwl_op_mode)		\
1063	((struct iwl_mvm *)(_iwl_op_mode)->op_mode_specific)
1064
1065#define IWL_MAC80211_GET_MVM(_hw)			\
1066	IWL_OP_MODE_GET_MVM((struct iwl_op_mode *)((_hw)->priv))
1067
1068/**
1069 * enum iwl_mvm_status - MVM status bits
1070 * @IWL_MVM_STATUS_HW_RFKILL: HW RF-kill is asserted
1071 * @IWL_MVM_STATUS_HW_CTKILL: CT-kill is active
1072 * @IWL_MVM_STATUS_ROC_RUNNING: remain-on-channel is running
1073 * @IWL_MVM_STATUS_HW_RESTART_REQUESTED: HW restart was requested
1074 * @IWL_MVM_STATUS_IN_HW_RESTART: HW restart is active
1075 * @IWL_MVM_STATUS_IN_D0I3: NIC is in D0i3
1076 * @IWL_MVM_STATUS_ROC_AUX_RUNNING: AUX remain-on-channel is running
1077 * @IWL_MVM_STATUS_D3_RECONFIG: D3 reconfiguration is being done
1078 * @IWL_MVM_STATUS_FIRMWARE_RUNNING: firmware is running
1079 * @IWL_MVM_STATUS_NEED_FLUSH_P2P: need to flush P2P bcast STA
1080 */
1081enum iwl_mvm_status {
1082	IWL_MVM_STATUS_HW_RFKILL,
1083	IWL_MVM_STATUS_HW_CTKILL,
1084	IWL_MVM_STATUS_ROC_RUNNING,
1085	IWL_MVM_STATUS_HW_RESTART_REQUESTED,
1086	IWL_MVM_STATUS_IN_HW_RESTART,
1087	IWL_MVM_STATUS_IN_D0I3,
1088	IWL_MVM_STATUS_ROC_AUX_RUNNING,
1089	IWL_MVM_STATUS_D3_RECONFIG,
1090	IWL_MVM_STATUS_FIRMWARE_RUNNING,
1091	IWL_MVM_STATUS_NEED_FLUSH_P2P,
1092};
1093
1094/* Keep track of completed init configuration */
1095enum iwl_mvm_init_status {
1096	IWL_MVM_INIT_STATUS_THERMAL_INIT_COMPLETE = BIT(0),
1097	IWL_MVM_INIT_STATUS_LEDS_INIT_COMPLETE = BIT(1),
1098	IWL_MVM_INIT_STATUS_REG_HW_INIT_COMPLETE = BIT(2),
1099	IWL_MVM_INIT_STATUS_TOF_INIT_COMPLETE = BIT(3),
1100};
1101
1102static inline bool iwl_mvm_is_radio_killed(struct iwl_mvm *mvm)
1103{
1104	return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status) ||
1105	       test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
1106}
1107
1108static inline bool iwl_mvm_is_radio_hw_killed(struct iwl_mvm *mvm)
1109{
1110	return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status);
1111}
1112
1113static inline bool iwl_mvm_firmware_running(struct iwl_mvm *mvm)
1114{
1115	return test_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status);
1116}
1117
1118/* Must be called with rcu_read_lock() held and it can only be
1119 * released when mvmsta is not needed anymore.
1120 */
1121static inline struct iwl_mvm_sta *
1122iwl_mvm_sta_from_staid_rcu(struct iwl_mvm *mvm, u8 sta_id)
1123{
1124	struct ieee80211_sta *sta;
1125
1126	if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
1127		return NULL;
1128
1129	sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
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
1138static inline struct iwl_mvm_sta *
1139iwl_mvm_sta_from_staid_protected(struct iwl_mvm *mvm, u8 sta_id)
1140{
1141	struct ieee80211_sta *sta;
1142
1143	if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
1144		return NULL;
1145
1146	sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id],
1147					lockdep_is_held(&mvm->mutex));
1148
1149	/* This can happen if the station has been removed right now */
1150	if (IS_ERR_OR_NULL(sta))
1151		return NULL;
1152
1153	return iwl_mvm_sta_from_mac80211(sta);
1154}
1155
1156static inline bool iwl_mvm_is_d0i3_supported(struct iwl_mvm *mvm)
1157{
1158	return !iwlwifi_mod_params.d0i3_disable &&
1159		fw_has_capa(&mvm->fw->ucode_capa,
1160			    IWL_UCODE_TLV_CAPA_D0I3_SUPPORT);
1161}
1162
1163static inline bool iwl_mvm_is_adaptive_dwell_supported(struct iwl_mvm *mvm)
1164{
1165	return fw_has_api(&mvm->fw->ucode_capa,
1166			  IWL_UCODE_TLV_API_ADAPTIVE_DWELL);
1167}
1168
1169static inline bool iwl_mvm_is_adaptive_dwell_v2_supported(struct iwl_mvm *mvm)
1170{
1171	return fw_has_api(&mvm->fw->ucode_capa,
1172			  IWL_UCODE_TLV_API_ADAPTIVE_DWELL_V2);
1173}
1174
1175static inline bool iwl_mvm_is_oce_supported(struct iwl_mvm *mvm)
1176{
1177	/* OCE should never be enabled for LMAC scan FWs */
1178	return fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_OCE);
1179}
1180
1181static inline bool iwl_mvm_enter_d0i3_on_suspend(struct iwl_mvm *mvm)
1182{
1183	/* For now we only use this mode to differentiate between
1184	 * slave transports, which handle D0i3 entry in suspend by
1185	 * themselves in conjunction with runtime PM D0i3.  So, this
1186	 * function is used to check whether we need to do anything
1187	 * when entering suspend or if the transport layer has already
1188	 * done it.
1189	 */
1190	return (mvm->trans->system_pm_mode == IWL_PLAT_PM_MODE_D0I3) &&
1191		(mvm->trans->runtime_pm_mode != IWL_PLAT_PM_MODE_D0I3);
1192}
1193
1194static inline bool iwl_mvm_is_dqa_data_queue(struct iwl_mvm *mvm, u8 queue)
1195{
1196	return (queue >= IWL_MVM_DQA_MIN_DATA_QUEUE) &&
1197	       (queue <= IWL_MVM_DQA_MAX_DATA_QUEUE);
1198}
1199
1200static inline bool iwl_mvm_is_dqa_mgmt_queue(struct iwl_mvm *mvm, u8 queue)
1201{
1202	return (queue >= IWL_MVM_DQA_MIN_MGMT_QUEUE) &&
1203	       (queue <= IWL_MVM_DQA_MAX_MGMT_QUEUE);
1204}
1205
1206static inline bool iwl_mvm_is_lar_supported(struct iwl_mvm *mvm)
1207{
1208	bool nvm_lar = mvm->nvm_data->lar_enabled;
1209	bool tlv_lar = fw_has_capa(&mvm->fw->ucode_capa,
1210				   IWL_UCODE_TLV_CAPA_LAR_SUPPORT);
1211
1212	if (iwlwifi_mod_params.lar_disable)
1213		return false;
1214
1215	/*
1216	 * Enable LAR only if it is supported by the FW (TLV) &&
1217	 * enabled in the NVM
1218	 */
1219	if (mvm->cfg->nvm_type == IWL_NVM_EXT)
1220		return nvm_lar && tlv_lar;
1221	else
1222		return tlv_lar;
1223}
1224
1225static inline bool iwl_mvm_is_wifi_mcc_supported(struct iwl_mvm *mvm)
1226{
1227	return fw_has_api(&mvm->fw->ucode_capa,
1228			  IWL_UCODE_TLV_API_WIFI_MCC_UPDATE) ||
1229	       fw_has_capa(&mvm->fw->ucode_capa,
1230			   IWL_UCODE_TLV_CAPA_LAR_MULTI_MCC);
1231}
1232
 
 
 
 
 
 
 
1233static inline bool iwl_mvm_bt_is_rrc_supported(struct iwl_mvm *mvm)
1234{
1235	return fw_has_capa(&mvm->fw->ucode_capa,
1236			   IWL_UCODE_TLV_CAPA_BT_COEX_RRC) &&
1237		IWL_MVM_BT_COEX_RRC;
1238}
1239
1240static inline bool iwl_mvm_is_csum_supported(struct iwl_mvm *mvm)
1241{
1242	return fw_has_capa(&mvm->fw->ucode_capa,
1243			   IWL_UCODE_TLV_CAPA_CSUM_SUPPORT) &&
1244               !IWL_MVM_HW_CSUM_DISABLE;
1245}
1246
1247static inline bool iwl_mvm_is_mplut_supported(struct iwl_mvm *mvm)
1248{
1249	return fw_has_capa(&mvm->fw->ucode_capa,
1250			   IWL_UCODE_TLV_CAPA_BT_MPLUT_SUPPORT) &&
1251		IWL_MVM_BT_COEX_MPLUT;
1252}
1253
1254static inline
1255bool iwl_mvm_is_p2p_scm_uapsd_supported(struct iwl_mvm *mvm)
1256{
1257	return fw_has_capa(&mvm->fw->ucode_capa,
1258			   IWL_UCODE_TLV_CAPA_P2P_SCM_UAPSD) &&
1259		!(iwlwifi_mod_params.uapsd_disable &
1260		  IWL_DISABLE_UAPSD_P2P_CLIENT);
1261}
1262
1263static inline bool iwl_mvm_has_new_rx_api(struct iwl_mvm *mvm)
1264{
1265	return fw_has_capa(&mvm->fw->ucode_capa,
1266			   IWL_UCODE_TLV_CAPA_MULTI_QUEUE_RX_SUPPORT);
1267}
1268
1269static inline bool iwl_mvm_has_new_tx_api(struct iwl_mvm *mvm)
1270{
1271	/* TODO - replace with TLV once defined */
1272	return mvm->trans->cfg->use_tfh;
1273}
1274
1275static inline bool iwl_mvm_has_unified_ucode(struct iwl_mvm *mvm)
1276{
1277	/* TODO - better define this */
1278	return mvm->trans->cfg->device_family >= IWL_DEVICE_FAMILY_22000;
1279}
1280
1281static inline bool iwl_mvm_is_cdb_supported(struct iwl_mvm *mvm)
1282{
1283	/*
1284	 * TODO:
1285	 * The issue of how to determine CDB APIs and usage is still not fully
1286	 * defined.
1287	 * There is a compilation for CDB and non-CDB FW, but there may
1288	 * be also runtime check.
1289	 * For now there is a TLV for checking compilation mode, but a
1290	 * runtime check will also have to be here - once defined.
1291	 */
1292	return fw_has_capa(&mvm->fw->ucode_capa,
1293			   IWL_UCODE_TLV_CAPA_CDB_SUPPORT);
1294}
1295
1296static inline bool iwl_mvm_has_new_rx_stats_api(struct iwl_mvm *mvm)
1297{
1298	return fw_has_api(&mvm->fw->ucode_capa,
1299			  IWL_UCODE_TLV_API_NEW_RX_STATS);
1300}
1301
1302static inline bool iwl_mvm_has_quota_low_latency(struct iwl_mvm *mvm)
1303{
1304	return fw_has_api(&mvm->fw->ucode_capa,
1305			  IWL_UCODE_TLV_API_QUOTA_LOW_LATENCY);
1306}
1307
1308static inline bool iwl_mvm_has_tlc_offload(const struct iwl_mvm *mvm)
1309{
1310	return fw_has_capa(&mvm->fw->ucode_capa,
1311			   IWL_UCODE_TLV_CAPA_TLC_OFFLOAD);
1312}
1313
1314static inline struct agg_tx_status *
1315iwl_mvm_get_agg_status(struct iwl_mvm *mvm, void *tx_resp)
1316{
1317	if (iwl_mvm_has_new_tx_api(mvm))
1318		return &((struct iwl_mvm_tx_resp *)tx_resp)->status;
1319	else
1320		return ((struct iwl_mvm_tx_resp_v3 *)tx_resp)->status;
1321}
1322
1323static inline bool iwl_mvm_is_tt_in_fw(struct iwl_mvm *mvm)
1324{
1325#ifdef CONFIG_THERMAL
1326	/* these two TLV are redundant since the responsibility to CT-kill by
1327	 * FW happens only after we send at least one command of
1328	 * temperature THs report.
1329	 */
1330	return fw_has_capa(&mvm->fw->ucode_capa,
1331			   IWL_UCODE_TLV_CAPA_CT_KILL_BY_FW) &&
1332	       fw_has_capa(&mvm->fw->ucode_capa,
1333			   IWL_UCODE_TLV_CAPA_TEMP_THS_REPORT_SUPPORT);
1334#else /* CONFIG_THERMAL */
1335	return false;
1336#endif /* CONFIG_THERMAL */
1337}
1338
1339static inline bool iwl_mvm_is_ctdp_supported(struct iwl_mvm *mvm)
1340{
1341	return fw_has_capa(&mvm->fw->ucode_capa,
1342			   IWL_UCODE_TLV_CAPA_CTDP_SUPPORT);
1343}
1344
1345extern const u8 iwl_mvm_ac_to_tx_fifo[];
1346extern const u8 iwl_mvm_ac_to_gen2_tx_fifo[];
1347
1348static inline u8 iwl_mvm_mac_ac_to_tx_fifo(struct iwl_mvm *mvm,
1349					   enum ieee80211_ac_numbers ac)
1350{
1351	return iwl_mvm_has_new_tx_api(mvm) ?
1352		iwl_mvm_ac_to_gen2_tx_fifo[ac] : iwl_mvm_ac_to_tx_fifo[ac];
1353}
1354
1355struct iwl_rate_info {
1356	u8 plcp;	/* uCode API:  IWL_RATE_6M_PLCP, etc. */
1357	u8 plcp_siso;	/* uCode API:  IWL_RATE_SISO_6M_PLCP, etc. */
1358	u8 plcp_mimo2;	/* uCode API:  IWL_RATE_MIMO2_6M_PLCP, etc. */
1359	u8 plcp_mimo3;  /* uCode API:  IWL_RATE_MIMO3_6M_PLCP, etc. */
1360	u8 ieee;	/* MAC header:  IWL_RATE_6M_IEEE, etc. */
1361};
1362
1363void __iwl_mvm_mac_stop(struct iwl_mvm *mvm);
1364int __iwl_mvm_mac_start(struct iwl_mvm *mvm);
1365
1366/******************
1367 * MVM Methods
1368 ******************/
1369/* uCode */
1370int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm);
1371
1372/* Utils */
1373int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags,
1374					enum nl80211_band band);
1375void iwl_mvm_hwrate_to_tx_rate(u32 rate_n_flags,
1376			       enum nl80211_band band,
1377			       struct ieee80211_tx_rate *r);
1378u8 iwl_mvm_mac80211_idx_to_hwrate(int rate_idx);
1379void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm);
1380u8 first_antenna(u8 mask);
1381u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx);
1382void iwl_mvm_get_sync_time(struct iwl_mvm *mvm, u32 *gp2, u64 *boottime);
1383
1384/* Tx / Host Commands */
1385int __must_check iwl_mvm_send_cmd(struct iwl_mvm *mvm,
1386				  struct iwl_host_cmd *cmd);
1387int __must_check iwl_mvm_send_cmd_pdu(struct iwl_mvm *mvm, u32 id,
1388				      u32 flags, u16 len, const void *data);
1389int __must_check iwl_mvm_send_cmd_status(struct iwl_mvm *mvm,
1390					 struct iwl_host_cmd *cmd,
1391					 u32 *status);
1392int __must_check iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u32 id,
1393					     u16 len, const void *data,
1394					     u32 *status);
1395int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb,
1396		   struct ieee80211_sta *sta);
1397int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb);
1398void iwl_mvm_set_tx_cmd(struct iwl_mvm *mvm, struct sk_buff *skb,
1399			struct iwl_tx_cmd *tx_cmd,
1400			struct ieee80211_tx_info *info, u8 sta_id);
1401void iwl_mvm_set_tx_cmd_rate(struct iwl_mvm *mvm, struct iwl_tx_cmd *tx_cmd,
1402			    struct ieee80211_tx_info *info,
1403			    struct ieee80211_sta *sta, __le16 fc);
1404#ifdef CONFIG_IWLWIFI_DEBUG
1405const char *iwl_mvm_get_tx_fail_reason(u32 status);
1406#else
1407static inline const char *iwl_mvm_get_tx_fail_reason(u32 status) { return ""; }
1408#endif
1409int iwl_mvm_flush_tx_path(struct iwl_mvm *mvm, u32 tfd_msk, u32 flags);
1410int iwl_mvm_flush_sta(struct iwl_mvm *mvm, void *sta, bool internal, u32 flags);
1411int iwl_mvm_flush_sta_tids(struct iwl_mvm *mvm, u32 sta_id,
1412			   u16 tids, u32 flags);
1413
1414void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm);
1415
1416static inline void iwl_mvm_set_tx_cmd_ccmp(struct ieee80211_tx_info *info,
1417					   struct iwl_tx_cmd *tx_cmd)
1418{
1419	struct ieee80211_key_conf *keyconf = info->control.hw_key;
1420
1421	tx_cmd->sec_ctl = TX_CMD_SEC_CCM;
1422	memcpy(tx_cmd->key, keyconf->key, keyconf->keylen);
1423}
1424
1425static inline void iwl_mvm_wait_for_async_handlers(struct iwl_mvm *mvm)
1426{
1427	flush_work(&mvm->async_handlers_wk);
1428}
1429
1430/* Statistics */
1431void iwl_mvm_handle_rx_statistics(struct iwl_mvm *mvm,
1432				  struct iwl_rx_packet *pkt);
1433void iwl_mvm_rx_statistics(struct iwl_mvm *mvm,
1434			   struct iwl_rx_cmd_buffer *rxb);
1435int iwl_mvm_request_statistics(struct iwl_mvm *mvm, bool clear);
1436void iwl_mvm_accu_radio_stats(struct iwl_mvm *mvm);
1437
1438/* NVM */
1439int iwl_nvm_init(struct iwl_mvm *mvm);
1440int iwl_mvm_load_nvm_to_nic(struct iwl_mvm *mvm);
1441int iwl_mvm_read_external_nvm(struct iwl_mvm *mvm);
1442
1443static inline u8 iwl_mvm_get_valid_tx_ant(struct iwl_mvm *mvm)
1444{
1445	return mvm->nvm_data && mvm->nvm_data->valid_tx_ant ?
1446	       mvm->fw->valid_tx_ant & mvm->nvm_data->valid_tx_ant :
1447	       mvm->fw->valid_tx_ant;
1448}
1449
1450static inline u8 iwl_mvm_get_valid_rx_ant(struct iwl_mvm *mvm)
1451{
1452	return mvm->nvm_data && mvm->nvm_data->valid_rx_ant ?
1453	       mvm->fw->valid_rx_ant & mvm->nvm_data->valid_rx_ant :
1454	       mvm->fw->valid_rx_ant;
1455}
1456
1457static inline u32 iwl_mvm_get_phy_config(struct iwl_mvm *mvm)
1458{
1459	u32 phy_config = ~(FW_PHY_CFG_TX_CHAIN |
1460			   FW_PHY_CFG_RX_CHAIN);
1461	u32 valid_rx_ant = iwl_mvm_get_valid_rx_ant(mvm);
1462	u32 valid_tx_ant = iwl_mvm_get_valid_tx_ant(mvm);
1463
1464	phy_config |= valid_tx_ant << FW_PHY_CFG_TX_CHAIN_POS |
1465		      valid_rx_ant << FW_PHY_CFG_RX_CHAIN_POS;
1466
1467	return mvm->fw->phy_config & phy_config;
1468}
1469
1470int iwl_mvm_up(struct iwl_mvm *mvm);
1471int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm);
1472
1473int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm);
1474bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm,
1475				    struct iwl_bcast_filter_cmd *cmd);
1476
1477/*
1478 * FW notifications / CMD responses handlers
1479 * Convention: iwl_mvm_rx_<NAME OF THE CMD>
1480 */
1481void iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1482void iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct napi_struct *napi,
1483			struct iwl_rx_cmd_buffer *rxb);
1484void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi,
1485			struct iwl_rx_cmd_buffer *rxb, int queue);
1486void iwl_mvm_rx_frame_release(struct iwl_mvm *mvm, struct napi_struct *napi,
1487			      struct iwl_rx_cmd_buffer *rxb, int queue);
1488int iwl_mvm_notify_rx_queue(struct iwl_mvm *mvm, u32 rxq_mask,
1489			    const u8 *data, u32 count);
1490void iwl_mvm_rx_queue_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1491			    int queue);
1492void iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1493void iwl_mvm_mfu_assert_dump_notif(struct iwl_mvm *mvm,
1494				   struct iwl_rx_cmd_buffer *rxb);
1495void iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1496void iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm,
1497				   struct iwl_rx_cmd_buffer *rxb);
1498void iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1499void iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
1500				 struct iwl_rx_cmd_buffer *rxb);
1501void iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm,
1502			     struct iwl_rx_cmd_buffer *rxb);
1503void iwl_mvm_rx_shared_mem_cfg_notif(struct iwl_mvm *mvm,
1504				     struct iwl_rx_cmd_buffer *rxb);
1505
1506/* MVM PHY */
1507int iwl_mvm_phy_ctxt_add(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
1508			 struct cfg80211_chan_def *chandef,
1509			 u8 chains_static, u8 chains_dynamic);
1510int iwl_mvm_phy_ctxt_changed(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
1511			     struct cfg80211_chan_def *chandef,
1512			     u8 chains_static, u8 chains_dynamic);
1513void iwl_mvm_phy_ctxt_ref(struct iwl_mvm *mvm,
1514			  struct iwl_mvm_phy_ctxt *ctxt);
1515void iwl_mvm_phy_ctxt_unref(struct iwl_mvm *mvm,
1516			    struct iwl_mvm_phy_ctxt *ctxt);
1517int iwl_mvm_phy_ctx_count(struct iwl_mvm *mvm);
1518u8 iwl_mvm_get_channel_width(struct cfg80211_chan_def *chandef);
1519u8 iwl_mvm_get_ctrl_pos(struct cfg80211_chan_def *chandef);
1520
1521/* MAC (virtual interface) programming */
1522int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 
1523int iwl_mvm_mac_ctxt_add(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1524int iwl_mvm_mac_ctxt_changed(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1525			     bool force_assoc_off, const u8 *bssid_override);
1526int iwl_mvm_mac_ctxt_remove(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1527u32 iwl_mvm_mac_get_queues_mask(struct ieee80211_vif *vif);
1528int iwl_mvm_mac_ctxt_beacon_changed(struct iwl_mvm *mvm,
1529				    struct ieee80211_vif *vif);
1530void iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm,
1531			     struct iwl_rx_cmd_buffer *rxb);
1532void iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm,
1533				     struct iwl_rx_cmd_buffer *rxb);
1534void iwl_mvm_rx_stored_beacon_notif(struct iwl_mvm *mvm,
1535				    struct iwl_rx_cmd_buffer *rxb);
1536void iwl_mvm_mu_mimo_grp_notif(struct iwl_mvm *mvm,
1537			       struct iwl_rx_cmd_buffer *rxb);
1538void iwl_mvm_sta_pm_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1539void iwl_mvm_window_status_notif(struct iwl_mvm *mvm,
1540				 struct iwl_rx_cmd_buffer *rxb);
1541void iwl_mvm_mac_ctxt_recalc_tsf_id(struct iwl_mvm *mvm,
1542				    struct ieee80211_vif *vif);
1543unsigned long iwl_mvm_get_used_hw_queues(struct iwl_mvm *mvm,
1544					 struct ieee80211_vif *exclude_vif);
1545void iwl_mvm_channel_switch_noa_notif(struct iwl_mvm *mvm,
1546				      struct iwl_rx_cmd_buffer *rxb);
1547/* Bindings */
1548int iwl_mvm_binding_add_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1549int iwl_mvm_binding_remove_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1550
1551/* Quota management */
1552static inline size_t iwl_mvm_quota_cmd_size(struct iwl_mvm *mvm)
1553{
1554	return iwl_mvm_has_quota_low_latency(mvm) ?
1555		sizeof(struct iwl_time_quota_cmd) :
1556		sizeof(struct iwl_time_quota_cmd_v1);
1557}
1558
1559static inline struct iwl_time_quota_data
1560*iwl_mvm_quota_cmd_get_quota(struct iwl_mvm *mvm,
1561			     struct iwl_time_quota_cmd *cmd,
1562			     int i)
1563{
1564	struct iwl_time_quota_data_v1 *quotas;
1565
1566	if (iwl_mvm_has_quota_low_latency(mvm))
1567		return &cmd->quotas[i];
1568
1569	quotas = (struct iwl_time_quota_data_v1 *)cmd->quotas;
1570	return (struct iwl_time_quota_data *)&quotas[i];
1571}
1572
1573int iwl_mvm_update_quotas(struct iwl_mvm *mvm, bool force_upload,
1574			  struct ieee80211_vif *disabled_vif);
1575
1576/* Scanning */
1577int iwl_mvm_reg_scan_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1578			   struct cfg80211_scan_request *req,
1579			   struct ieee80211_scan_ies *ies);
1580int iwl_mvm_scan_size(struct iwl_mvm *mvm);
1581int iwl_mvm_scan_stop(struct iwl_mvm *mvm, int type, bool notify);
1582int iwl_mvm_max_scan_ie_len(struct iwl_mvm *mvm);
1583void iwl_mvm_report_scan_aborted(struct iwl_mvm *mvm);
1584void iwl_mvm_scan_timeout_wk(struct work_struct *work);
1585
1586/* Scheduled scan */
1587void iwl_mvm_rx_lmac_scan_complete_notif(struct iwl_mvm *mvm,
1588					 struct iwl_rx_cmd_buffer *rxb);
1589void iwl_mvm_rx_lmac_scan_iter_complete_notif(struct iwl_mvm *mvm,
1590					      struct iwl_rx_cmd_buffer *rxb);
1591int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm,
1592			     struct ieee80211_vif *vif,
1593			     struct cfg80211_sched_scan_request *req,
1594			     struct ieee80211_scan_ies *ies,
1595			     int type);
1596void iwl_mvm_rx_scan_match_found(struct iwl_mvm *mvm,
1597				 struct iwl_rx_cmd_buffer *rxb);
1598
1599/* UMAC scan */
1600int iwl_mvm_config_scan(struct iwl_mvm *mvm);
1601void iwl_mvm_rx_umac_scan_complete_notif(struct iwl_mvm *mvm,
1602					 struct iwl_rx_cmd_buffer *rxb);
1603void iwl_mvm_rx_umac_scan_iter_complete_notif(struct iwl_mvm *mvm,
1604					      struct iwl_rx_cmd_buffer *rxb);
1605
 
 
 
1606/* MVM debugfs */
1607#ifdef CONFIG_IWLWIFI_DEBUGFS
1608int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir);
1609void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1610void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1611#else
1612static inline int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm,
1613					 struct dentry *dbgfs_dir)
1614{
1615	return 0;
1616}
1617static inline void
1618iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1619{
1620}
1621static inline void
1622iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1623{
1624}
1625#endif /* CONFIG_IWLWIFI_DEBUGFS */
1626
1627/* rate scaling */
1628int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool init);
1629void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm, u32 rate, bool agg);
1630int rs_pretty_print_rate(char *buf, int bufsz, const u32 rate);
1631void rs_update_last_rssi(struct iwl_mvm *mvm,
1632			 struct iwl_mvm_sta *mvmsta,
1633			 struct ieee80211_rx_status *rx_status);
1634
1635/* power management */
1636int iwl_mvm_power_update_device(struct iwl_mvm *mvm);
1637int iwl_mvm_power_update_mac(struct iwl_mvm *mvm);
1638int iwl_mvm_power_update_ps(struct iwl_mvm *mvm);
1639int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1640				 char *buf, int bufsz);
1641
1642void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1643void iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm,
1644					      struct iwl_rx_cmd_buffer *rxb);
1645
1646#ifdef CONFIG_IWLWIFI_LEDS
1647int iwl_mvm_leds_init(struct iwl_mvm *mvm);
1648void iwl_mvm_leds_exit(struct iwl_mvm *mvm);
1649void iwl_mvm_leds_sync(struct iwl_mvm *mvm);
1650#else
1651static inline int iwl_mvm_leds_init(struct iwl_mvm *mvm)
1652{
1653	return 0;
1654}
1655static inline void iwl_mvm_leds_exit(struct iwl_mvm *mvm)
1656{
1657}
1658static inline void iwl_mvm_leds_sync(struct iwl_mvm *mvm)
1659{
1660}
1661#endif
1662
1663/* D3 (WoWLAN, NetDetect) */
1664int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan);
1665int iwl_mvm_resume(struct ieee80211_hw *hw);
1666void iwl_mvm_set_wakeup(struct ieee80211_hw *hw, bool enabled);
1667void iwl_mvm_set_rekey_data(struct ieee80211_hw *hw,
1668			    struct ieee80211_vif *vif,
1669			    struct cfg80211_gtk_rekey_data *data);
1670void iwl_mvm_ipv6_addr_change(struct ieee80211_hw *hw,
1671			      struct ieee80211_vif *vif,
1672			      struct inet6_dev *idev);
1673void iwl_mvm_set_default_unicast_key(struct ieee80211_hw *hw,
1674				     struct ieee80211_vif *vif, int idx);
1675extern const struct file_operations iwl_dbgfs_d3_test_ops;
1676#ifdef CONFIG_PM
1677int iwl_mvm_wowlan_config_key_params(struct iwl_mvm *mvm,
1678				     struct ieee80211_vif *vif,
1679				     bool host_awake,
1680				     u32 cmd_flags);
1681void iwl_mvm_d0i3_update_keys(struct iwl_mvm *mvm,
1682			      struct ieee80211_vif *vif,
1683			      struct iwl_wowlan_status *status);
1684void iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm,
1685				 struct ieee80211_vif *vif);
1686#else
1687static inline int iwl_mvm_wowlan_config_key_params(struct iwl_mvm *mvm,
1688						   struct ieee80211_vif *vif,
1689						   bool host_awake,
1690						   u32 cmd_flags)
1691{
1692	return 0;
1693}
1694
1695static inline void iwl_mvm_d0i3_update_keys(struct iwl_mvm *mvm,
1696					    struct ieee80211_vif *vif,
1697					    struct iwl_wowlan_status *status)
1698{
1699}
1700
1701static inline void
1702iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1703{
1704}
1705#endif
1706void iwl_mvm_set_wowlan_qos_seq(struct iwl_mvm_sta *mvm_ap_sta,
1707				struct iwl_wowlan_config_cmd *cmd);
1708int iwl_mvm_send_proto_offload(struct iwl_mvm *mvm,
1709			       struct ieee80211_vif *vif,
1710			       bool disable_offloading,
1711			       bool offload_ns,
1712			       u32 cmd_flags);
1713
1714/* D0i3 */
1715void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1716void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1717int iwl_mvm_ref_sync(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1718bool iwl_mvm_ref_taken(struct iwl_mvm *mvm);
1719void iwl_mvm_d0i3_enable_tx(struct iwl_mvm *mvm, __le16 *qos_seq);
1720int iwl_mvm_enter_d0i3(struct iwl_op_mode *op_mode);
1721int iwl_mvm_exit_d0i3(struct iwl_op_mode *op_mode);
1722int _iwl_mvm_exit_d0i3(struct iwl_mvm *mvm);
1723
1724/* BT Coex */
1725int iwl_mvm_send_bt_init_conf(struct iwl_mvm *mvm);
1726void iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm,
1727			      struct iwl_rx_cmd_buffer *rxb);
1728void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1729			   enum ieee80211_rssi_event_data);
1730void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm);
1731u16 iwl_mvm_coex_agg_time_limit(struct iwl_mvm *mvm,
1732				struct ieee80211_sta *sta);
1733bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm,
1734				     struct ieee80211_sta *sta);
1735bool iwl_mvm_bt_coex_is_ant_avail(struct iwl_mvm *mvm, u8 ant);
1736bool iwl_mvm_bt_coex_is_shared_ant_avail(struct iwl_mvm *mvm);
1737bool iwl_mvm_bt_coex_is_tpc_allowed(struct iwl_mvm *mvm,
1738				    enum nl80211_band band);
1739u8 iwl_mvm_bt_coex_tx_prio(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr,
1740			   struct ieee80211_tx_info *info, u8 ac);
1741
1742/* beacon filtering */
1743#ifdef CONFIG_IWLWIFI_DEBUGFS
1744void
1745iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1746					 struct iwl_beacon_filter_cmd *cmd);
1747#else
1748static inline void
1749iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1750					 struct iwl_beacon_filter_cmd *cmd)
1751{}
1752#endif
1753int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm,
1754				   struct ieee80211_vif *vif,
1755				   bool enable, u32 flags);
1756int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
1757				 struct ieee80211_vif *vif,
1758				 u32 flags);
1759int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
1760				  struct ieee80211_vif *vif,
1761				  u32 flags);
1762/* SMPS */
1763void iwl_mvm_update_smps(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1764				enum iwl_mvm_smps_type_request req_type,
1765				enum ieee80211_smps_mode smps_request);
1766bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm *mvm);
1767
1768/* Low latency */
1769int iwl_mvm_update_low_latency(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1770			      bool low_latency,
1771			      enum iwl_mvm_low_latency_cause cause);
1772/* get SystemLowLatencyMode - only needed for beacon threshold? */
1773bool iwl_mvm_low_latency(struct iwl_mvm *mvm);
1774/* get VMACLowLatencyMode */
1775static inline bool iwl_mvm_vif_low_latency(struct iwl_mvm_vif *mvmvif)
1776{
1777	/*
1778	 * should this consider associated/active/... state?
1779	 *
1780	 * Normally low-latency should only be active on interfaces
1781	 * that are active, but at least with debugfs it can also be
1782	 * enabled on interfaces that aren't active. However, when
1783	 * interface aren't active then they aren't added into the
1784	 * binding, so this has no real impact. For now, just return
1785	 * the current desired low-latency state.
1786	 */
1787	return mvmvif->low_latency;
1788}
1789
1790static inline
1791void iwl_mvm_vif_set_low_latency(struct iwl_mvm_vif *mvmvif, bool set,
1792				 enum iwl_mvm_low_latency_cause cause)
1793{
1794	if (set)
1795		mvmvif->low_latency |= cause;
1796	else
1797		mvmvif->low_latency &= ~cause;
1798}
1799
1800/* hw scheduler queue config */
1801bool iwl_mvm_enable_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue,
1802			u16 ssn, const struct iwl_trans_txq_scd_cfg *cfg,
1803			unsigned int wdg_timeout);
1804int iwl_mvm_tvqm_enable_txq(struct iwl_mvm *mvm, int mac80211_queue,
1805			    u8 sta_id, u8 tid, unsigned int timeout);
1806
1807int iwl_mvm_disable_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue,
1808			u8 tid, u8 flags);
 
1809int iwl_mvm_find_free_queue(struct iwl_mvm *mvm, u8 sta_id, u8 minq, u8 maxq);
1810
1811/* Return a bitmask with all the hw supported queues, except for the
1812 * command queue, which can't be flushed.
1813 */
1814static inline u32 iwl_mvm_flushable_queues(struct iwl_mvm *mvm)
1815{
1816	return ((BIT(mvm->cfg->base_params->num_of_queues) - 1) &
1817		~BIT(IWL_MVM_DQA_CMD_QUEUE));
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1818}
1819
1820static inline void iwl_mvm_stop_device(struct iwl_mvm *mvm)
1821{
1822	iwl_fw_cancel_timestamp(&mvm->fwrt);
1823	iwl_free_fw_paging(&mvm->fwrt);
1824	clear_bit(IWL_MVM_STATUS_FIRMWARE_RUNNING, &mvm->status);
1825	iwl_fw_dump_conf_clear(&mvm->fwrt);
1826	iwl_trans_stop_device(mvm->trans);
1827}
1828
1829/* Stop/start all mac queues in a given bitmap */
1830void iwl_mvm_start_mac_queues(struct iwl_mvm *mvm, unsigned long mq);
1831void iwl_mvm_stop_mac_queues(struct iwl_mvm *mvm, unsigned long mq);
1832
1833/* Re-configure the SCD for a queue that has already been configured */
1834int iwl_mvm_reconfig_scd(struct iwl_mvm *mvm, int queue, int fifo, int sta_id,
1835			 int tid, int frame_limit, u16 ssn);
1836
1837/* Thermal management and CT-kill */
1838void iwl_mvm_tt_tx_backoff(struct iwl_mvm *mvm, u32 backoff);
1839void iwl_mvm_tt_temp_changed(struct iwl_mvm *mvm, u32 temp);
1840void iwl_mvm_temp_notif(struct iwl_mvm *mvm,
1841			struct iwl_rx_cmd_buffer *rxb);
1842void iwl_mvm_tt_handler(struct iwl_mvm *mvm);
1843void iwl_mvm_thermal_initialize(struct iwl_mvm *mvm, u32 min_backoff);
1844void iwl_mvm_thermal_exit(struct iwl_mvm *mvm);
1845void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state);
1846int iwl_mvm_get_temp(struct iwl_mvm *mvm, s32 *temp);
1847void iwl_mvm_ct_kill_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1848void iwl_mvm_enter_ctkill(struct iwl_mvm *mvm);
1849int iwl_mvm_send_temp_report_ths_cmd(struct iwl_mvm *mvm);
1850int iwl_mvm_ctdp_command(struct iwl_mvm *mvm, u32 op, u32 budget);
1851
1852/* Location Aware Regulatory */
1853struct iwl_mcc_update_resp *
1854iwl_mvm_update_mcc(struct iwl_mvm *mvm, const char *alpha2,
1855		   enum iwl_mcc_source src_id);
1856int iwl_mvm_init_mcc(struct iwl_mvm *mvm);
1857void iwl_mvm_rx_chub_update_mcc(struct iwl_mvm *mvm,
1858				struct iwl_rx_cmd_buffer *rxb);
1859struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy,
1860						  const char *alpha2,
1861						  enum iwl_mcc_source src_id,
1862						  bool *changed);
1863struct ieee80211_regdomain *iwl_mvm_get_current_regdomain(struct iwl_mvm *mvm,
1864							  bool *changed);
1865int iwl_mvm_init_fw_regd(struct iwl_mvm *mvm);
1866void iwl_mvm_update_changed_regdom(struct iwl_mvm *mvm);
1867
1868/* smart fifo */
1869int iwl_mvm_sf_update(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1870		      bool added_vif);
1871
1872/* TDLS */
1873
1874/*
1875 * We use TID 4 (VI) as a FW-used-only TID when TDLS connections are present.
1876 * This TID is marked as used vs the AP and all connected TDLS peers.
1877 */
1878#define IWL_MVM_TDLS_FW_TID 4
1879
1880int iwl_mvm_tdls_sta_count(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1881void iwl_mvm_teardown_tdls_peers(struct iwl_mvm *mvm);
1882void iwl_mvm_recalc_tdls_state(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1883			       bool sta_added);
1884void iwl_mvm_mac_mgd_protect_tdls_discover(struct ieee80211_hw *hw,
1885					   struct ieee80211_vif *vif);
1886int iwl_mvm_tdls_channel_switch(struct ieee80211_hw *hw,
1887				struct ieee80211_vif *vif,
1888				struct ieee80211_sta *sta, u8 oper_class,
1889				struct cfg80211_chan_def *chandef,
1890				struct sk_buff *tmpl_skb, u32 ch_sw_tm_ie);
1891void iwl_mvm_tdls_recv_channel_switch(struct ieee80211_hw *hw,
1892				      struct ieee80211_vif *vif,
1893				      struct ieee80211_tdls_ch_sw_params *params);
1894void iwl_mvm_tdls_cancel_channel_switch(struct ieee80211_hw *hw,
1895					struct ieee80211_vif *vif,
1896					struct ieee80211_sta *sta);
1897void iwl_mvm_rx_tdls_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb);
1898void iwl_mvm_tdls_ch_switch_work(struct work_struct *work);
1899
1900void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm *mvm,
1901				     struct iwl_mvm_internal_rxq_notif *notif,
1902				     u32 size);
1903void iwl_mvm_reorder_timer_expired(struct timer_list *t);
1904struct ieee80211_vif *iwl_mvm_get_bss_vif(struct iwl_mvm *mvm);
1905bool iwl_mvm_is_vif_assoc(struct iwl_mvm *mvm);
1906
1907void iwl_mvm_inactivity_check(struct iwl_mvm *mvm);
1908
1909void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error);
1910unsigned int iwl_mvm_get_wd_timeout(struct iwl_mvm *mvm,
1911				    struct ieee80211_vif *vif,
1912				    bool tdls, bool cmd_q);
1913void iwl_mvm_connection_loss(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1914			     const char *errmsg);
1915void iwl_mvm_event_frame_timeout_callback(struct iwl_mvm *mvm,
1916					  struct ieee80211_vif *vif,
1917					  const struct ieee80211_sta *sta,
1918					  u16 tid);
1919
1920int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a, int prof_b);
1921int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm);
1922#ifdef CONFIG_IWLWIFI_DEBUGFS
1923void iwl_mvm_sta_add_debugfs(struct ieee80211_hw *hw,
1924			     struct ieee80211_vif *vif,
1925			     struct ieee80211_sta *sta,
1926			     struct dentry *dir);
1927#endif
1928
1929#endif /* __IWL_MVM_H__ */