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 - 2014 Intel Mobile Communications GmbH
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of version 2 of the GNU General Public License as
13 * published by the Free Software Foundation.
14 *
15 * This program is distributed in the hope that it will be useful, but
16 * WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
18 * General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
23 * USA
24 *
25 * The full GNU General Public License is included in this distribution
26 * in the file called COPYING.
27 *
28 * Contact Information:
29 *  Intel Linux Wireless <ilw@linux.intel.com>
30 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
31 *
32 * BSD LICENSE
33 *
34 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
35 * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
36 * All rights reserved.
37 *
38 * Redistribution and use in source and binary forms, with or without
39 * modification, are permitted provided that the following conditions
40 * are met:
41 *
42 *  * Redistributions of source code must retain the above copyright
43 *    notice, this list of conditions and the following disclaimer.
44 *  * Redistributions in binary form must reproduce the above copyright
45 *    notice, this list of conditions and the following disclaimer in
46 *    the documentation and/or other materials provided with the
47 *    distribution.
48 *  * Neither the name Intel Corporation nor the names of its
49 *    contributors may be used to endorse or promote products derived
50 *    from this software without specific prior written permission.
51 *
52 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
53 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
54 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
55 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
56 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
57 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
58 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
59 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
60 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
61 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
62 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
63 *
64 *****************************************************************************/
65
66#ifndef __IWL_MVM_H__
67#define __IWL_MVM_H__
68
69#include <linux/list.h>
70#include <linux/spinlock.h>
71#include <linux/leds.h>
72#include <linux/in6.h>
73
74#include "iwl-op-mode.h"
75#include "iwl-trans.h"
76#include "iwl-notif-wait.h"
77#include "iwl-eeprom-parse.h"
78#include "iwl-fw-file.h"
79#include "sta.h"
80#include "fw-api.h"
81#include "constants.h"
82
83#define IWL_INVALID_MAC80211_QUEUE	0xff
84#define IWL_MVM_MAX_ADDRESSES		5
85/* RSSI offset for WkP */
86#define IWL_RSSI_OFFSET 50
87#define IWL_MVM_MISSED_BEACONS_THRESHOLD 8
88/* A TimeUnit is 1024 microsecond */
89#define MSEC_TO_TU(_msec)	(_msec*1000/1024)
90
91/* For GO, this value represents the number of TUs before CSA "beacon
92 * 0" TBTT when the CSA time-event needs to be scheduled to start.  It
93 * must be big enough to ensure that we switch in time.
94 */
95#define IWL_MVM_CHANNEL_SWITCH_TIME_GO		40
96
97/* For client, this value represents the number of TUs before CSA
98 * "beacon 1" TBTT, instead.  This is because we don't know when the
99 * GO/AP will be in the new channel, so we switch early enough.
100 */
101#define IWL_MVM_CHANNEL_SWITCH_TIME_CLIENT	10
102
103/*
104 * This value (in TUs) is used to fine tune the CSA NoA end time which should
105 * be just before "beacon 0" TBTT.
106 */
107#define IWL_MVM_CHANNEL_SWITCH_MARGIN 4
108
109/*
110 * Number of beacons to transmit on a new channel until we unblock tx to
111 * the stations, even if we didn't identify them on a new channel
112 */
113#define IWL_MVM_CS_UNBLOCK_TX_TIMEOUT 3
114
115extern const struct ieee80211_ops iwl_mvm_hw_ops;
116
117/**
118 * struct iwl_mvm_mod_params - module parameters for iwlmvm
119 * @init_dbg: if true, then the NIC won't be stopped if the INIT fw asserted.
120 *	We will register to mac80211 to have testmode working. The NIC must not
121 *	be up'ed after the INIT fw asserted. This is useful to be able to use
122 *	proprietary tools over testmode to debug the INIT fw.
123 * @tfd_q_hang_detect: enabled the detection of hung transmit queues
124 * @power_scheme: CAM(Continuous Active Mode)-1, BPS(Balanced Power
125 *	Save)-2(default), LP(Low Power)-3
126 */
127struct iwl_mvm_mod_params {
128	bool init_dbg;
129	bool tfd_q_hang_detect;
130	int power_scheme;
131};
132extern struct iwl_mvm_mod_params iwlmvm_mod_params;
133
134/**
135 * struct iwl_mvm_dump_ptrs - set of pointers needed for the fw-error-dump
136 *
137 * @op_mode_ptr: pointer to the buffer coming from the mvm op_mode
138 * @trans_ptr: pointer to struct %iwl_trans_dump_data which contains the
139 *	transport's data.
140 * @trans_len: length of the valid data in trans_ptr
141 * @op_mode_len: length of the valid data in op_mode_ptr
142 */
143struct iwl_mvm_dump_ptrs {
144	struct iwl_trans_dump_data *trans_ptr;
145	void *op_mode_ptr;
146	u32 op_mode_len;
147};
148
149/**
150 * struct iwl_mvm_dump_desc - describes the dump
151 * @len: length of trig_desc->data
152 * @trig_desc: the description of the dump
153 */
154struct iwl_mvm_dump_desc {
155	size_t len;
156	/* must be last */
157	struct iwl_fw_error_dump_trigger_desc trig_desc;
158};
159
160extern struct iwl_mvm_dump_desc iwl_mvm_dump_desc_assert;
161
162struct iwl_mvm_phy_ctxt {
163	u16 id;
164	u16 color;
165	u32 ref;
166
167	/*
168	 * TODO: This should probably be removed. Currently here only for rate
169	 * scaling algorithm
170	 */
171	struct ieee80211_channel *channel;
172};
173
174struct iwl_mvm_time_event_data {
175	struct ieee80211_vif *vif;
176	struct list_head list;
177	unsigned long end_jiffies;
178	u32 duration;
179	bool running;
180	u32 uid;
181
182	/*
183	 * The access to the 'id' field must be done when the
184	 * mvm->time_event_lock is held, as it value is used to indicate
185	 * if the te is in the time event list or not (when id == TE_MAX)
186	 */
187	u32 id;
188};
189
190 /* Power management */
191
192/**
193 * enum iwl_power_scheme
194 * @IWL_POWER_LEVEL_CAM - Continuously Active Mode
195 * @IWL_POWER_LEVEL_BPS - Balanced Power Save (default)
196 * @IWL_POWER_LEVEL_LP  - Low Power
197 */
198enum iwl_power_scheme {
199	IWL_POWER_SCHEME_CAM = 1,
200	IWL_POWER_SCHEME_BPS,
201	IWL_POWER_SCHEME_LP
202};
203
204#define IWL_CONN_MAX_LISTEN_INTERVAL	10
205#define IWL_UAPSD_MAX_SP		IEEE80211_WMM_IE_STA_QOSINFO_SP_2
206
207#ifdef CONFIG_IWLWIFI_DEBUGFS
208enum iwl_dbgfs_pm_mask {
209	MVM_DEBUGFS_PM_KEEP_ALIVE = BIT(0),
210	MVM_DEBUGFS_PM_SKIP_OVER_DTIM = BIT(1),
211	MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS = BIT(2),
212	MVM_DEBUGFS_PM_RX_DATA_TIMEOUT = BIT(3),
213	MVM_DEBUGFS_PM_TX_DATA_TIMEOUT = BIT(4),
214	MVM_DEBUGFS_PM_LPRX_ENA = BIT(6),
215	MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD = BIT(7),
216	MVM_DEBUGFS_PM_SNOOZE_ENABLE = BIT(8),
217	MVM_DEBUGFS_PM_UAPSD_MISBEHAVING = BIT(9),
218	MVM_DEBUGFS_PM_USE_PS_POLL = BIT(10),
219};
220
221struct iwl_dbgfs_pm {
222	u16 keep_alive_seconds;
223	u32 rx_data_timeout;
224	u32 tx_data_timeout;
225	bool skip_over_dtim;
226	u8 skip_dtim_periods;
227	bool lprx_ena;
228	u32 lprx_rssi_threshold;
229	bool snooze_ena;
230	bool uapsd_misbehaving;
231	bool use_ps_poll;
232	int mask;
233};
234
235/* beacon filtering */
236
237enum iwl_dbgfs_bf_mask {
238	MVM_DEBUGFS_BF_ENERGY_DELTA = BIT(0),
239	MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA = BIT(1),
240	MVM_DEBUGFS_BF_ROAMING_STATE = BIT(2),
241	MVM_DEBUGFS_BF_TEMP_THRESHOLD = BIT(3),
242	MVM_DEBUGFS_BF_TEMP_FAST_FILTER = BIT(4),
243	MVM_DEBUGFS_BF_TEMP_SLOW_FILTER = BIT(5),
244	MVM_DEBUGFS_BF_ENABLE_BEACON_FILTER = BIT(6),
245	MVM_DEBUGFS_BF_DEBUG_FLAG = BIT(7),
246	MVM_DEBUGFS_BF_ESCAPE_TIMER = BIT(8),
247	MVM_DEBUGFS_BA_ESCAPE_TIMER = BIT(9),
248	MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT = BIT(10),
249};
250
251struct iwl_dbgfs_bf {
252	u32 bf_energy_delta;
253	u32 bf_roaming_energy_delta;
254	u32 bf_roaming_state;
255	u32 bf_temp_threshold;
256	u32 bf_temp_fast_filter;
257	u32 bf_temp_slow_filter;
258	u32 bf_enable_beacon_filter;
259	u32 bf_debug_flag;
260	u32 bf_escape_timer;
261	u32 ba_escape_timer;
262	u32 ba_enable_beacon_abort;
263	int mask;
264};
265#endif
266
267enum iwl_mvm_smps_type_request {
268	IWL_MVM_SMPS_REQ_BT_COEX,
269	IWL_MVM_SMPS_REQ_TT,
270	IWL_MVM_SMPS_REQ_PROT,
271	NUM_IWL_MVM_SMPS_REQ,
272};
273
274enum iwl_mvm_ref_type {
275	IWL_MVM_REF_UCODE_DOWN,
276	IWL_MVM_REF_SCAN,
277	IWL_MVM_REF_ROC,
278	IWL_MVM_REF_ROC_AUX,
279	IWL_MVM_REF_P2P_CLIENT,
280	IWL_MVM_REF_AP_IBSS,
281	IWL_MVM_REF_USER,
282	IWL_MVM_REF_TX,
283	IWL_MVM_REF_TX_AGG,
284	IWL_MVM_REF_ADD_IF,
285	IWL_MVM_REF_START_AP,
286	IWL_MVM_REF_BSS_CHANGED,
287	IWL_MVM_REF_PREPARE_TX,
288	IWL_MVM_REF_PROTECT_TDLS,
289	IWL_MVM_REF_CHECK_CTKILL,
290	IWL_MVM_REF_PRPH_READ,
291	IWL_MVM_REF_PRPH_WRITE,
292	IWL_MVM_REF_NMI,
293	IWL_MVM_REF_TM_CMD,
294	IWL_MVM_REF_EXIT_WORK,
295	IWL_MVM_REF_PROTECT_CSA,
296	IWL_MVM_REF_FW_DBG_COLLECT,
297
298	/* update debugfs.c when changing this */
299
300	IWL_MVM_REF_COUNT,
301};
302
303enum iwl_bt_force_ant_mode {
304	BT_FORCE_ANT_DIS = 0,
305	BT_FORCE_ANT_AUTO,
306	BT_FORCE_ANT_BT,
307	BT_FORCE_ANT_WIFI,
308
309	BT_FORCE_ANT_MAX,
310};
311
312/**
313* struct iwl_mvm_vif_bf_data - beacon filtering related data
314* @bf_enabled: indicates if beacon filtering is enabled
315* @ba_enabled: indicated if beacon abort is enabled
316* @ave_beacon_signal: average beacon signal
317* @last_cqm_event: rssi of the last cqm event
318* @bt_coex_min_thold: minimum threshold for BT coex
319* @bt_coex_max_thold: maximum threshold for BT coex
320* @last_bt_coex_event: rssi of the last BT coex event
321*/
322struct iwl_mvm_vif_bf_data {
323	bool bf_enabled;
324	bool ba_enabled;
325	s8 ave_beacon_signal;
326	s8 last_cqm_event;
327	s8 bt_coex_min_thold;
328	s8 bt_coex_max_thold;
329	s8 last_bt_coex_event;
330};
331
332/**
333 * struct iwl_mvm_vif - data per Virtual Interface, it is a MAC context
334 * @id: between 0 and 3
335 * @color: to solve races upon MAC addition and removal
336 * @ap_sta_id: the sta_id of the AP - valid only if VIF type is STA
337 * @bssid: BSSID for this (client) interface
338 * @associated: indicates that we're currently associated, used only for
339 *	managing the firmware state in iwl_mvm_bss_info_changed_station()
340 * @uploaded: indicates the MAC context has been added to the device
341 * @ap_ibss_active: indicates that AP/IBSS is configured and that the interface
342 *	should get quota etc.
343 * @pm_enabled - Indicate if MAC power management is allowed
344 * @monitor_active: indicates that monitor context is configured, and that the
345 *	interface should get quota etc.
346 * @low_latency: indicates that this interface is in low-latency mode
347 *	(VMACLowLatencyMode)
348 * @ps_disabled: indicates that this interface requires PS to be disabled
349 * @queue_params: QoS params for this MAC
350 * @bcast_sta: station used for broadcast packets. Used by the following
351 *  vifs: P2P_DEVICE, GO and AP.
352 * @beacon_skb: the skb used to hold the AP/GO beacon template
353 * @smps_requests: the SMPS requests of different parts of the driver,
354 *	combined on update to yield the overall request to mac80211.
355 * @beacon_stats: beacon statistics, containing the # of received beacons,
356 *	# of received beacons accumulated over FW restart, and the current
357 *	average signal of beacons retrieved from the firmware
358 * @csa_failed: CSA failed to schedule time event, report an error later
359 */
360struct iwl_mvm_vif {
361	struct iwl_mvm *mvm;
362	u16 id;
363	u16 color;
364	u8 ap_sta_id;
365
366	u8 bssid[ETH_ALEN];
367	bool associated;
368
369	bool uploaded;
370	bool ap_ibss_active;
371	bool pm_enabled;
372	bool monitor_active;
373	bool low_latency;
374	bool ps_disabled;
375	struct iwl_mvm_vif_bf_data bf_data;
376
377	struct {
378		u32 num_beacons, accu_num_beacons;
379		u8 avg_signal;
380	} beacon_stats;
381
382	u32 ap_beacon_time;
383
384	enum iwl_tsf_id tsf_id;
385
386	/*
387	 * QoS data from mac80211, need to store this here
388	 * as mac80211 has a separate callback but we need
389	 * to have the data for the MAC context
390	 */
391	struct ieee80211_tx_queue_params queue_params[IEEE80211_NUM_ACS];
392	struct iwl_mvm_time_event_data time_event_data;
393	struct iwl_mvm_time_event_data hs_time_event_data;
394
395	struct iwl_mvm_int_sta bcast_sta;
396
397	/*
398	 * Assigned while mac80211 has the interface in a channel context,
399	 * or, for P2P Device, while it exists.
400	 */
401	struct iwl_mvm_phy_ctxt *phy_ctxt;
402
403#ifdef CONFIG_PM_SLEEP
404	/* WoWLAN GTK rekey data */
405	struct {
406		u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN];
407		__le64 replay_ctr;
408		bool valid;
409	} rekey_data;
410
411	int tx_key_idx;
412
413	bool seqno_valid;
414	u16 seqno;
415#endif
416
417#if IS_ENABLED(CONFIG_IPV6)
418	/* IPv6 addresses for WoWLAN */
419	struct in6_addr target_ipv6_addrs[IWL_PROTO_OFFLOAD_NUM_IPV6_ADDRS_MAX];
420	int num_target_ipv6_addrs;
421#endif
422
423#ifdef CONFIG_IWLWIFI_DEBUGFS
424	struct dentry *dbgfs_dir;
425	struct dentry *dbgfs_slink;
426	struct iwl_dbgfs_pm dbgfs_pm;
427	struct iwl_dbgfs_bf dbgfs_bf;
428	struct iwl_mac_power_cmd mac_pwr_cmd;
429#endif
430
431	enum ieee80211_smps_mode smps_requests[NUM_IWL_MVM_SMPS_REQ];
432
433	/* FW identified misbehaving AP */
434	u8 uapsd_misbehaving_bssid[ETH_ALEN];
435
436	/* Indicates that CSA countdown may be started */
437	bool csa_countdown;
438	bool csa_failed;
439};
440
441static inline struct iwl_mvm_vif *
442iwl_mvm_vif_from_mac80211(struct ieee80211_vif *vif)
443{
444	return (void *)vif->drv_priv;
445}
446
447extern const u8 tid_to_mac80211_ac[];
448
449enum iwl_scan_status {
450	IWL_MVM_SCAN_NONE,
451	IWL_MVM_SCAN_OS,
452	IWL_MVM_SCAN_SCHED,
453};
454
455/**
456 * struct iwl_nvm_section - describes an NVM section in memory.
457 *
458 * This struct holds an NVM section read from the NIC using NVM_ACCESS_CMD,
459 * and saved for later use by the driver. Not all NVM sections are saved
460 * this way, only the needed ones.
461 */
462struct iwl_nvm_section {
463	u16 length;
464	const u8 *data;
465};
466
467/*
468 * Tx-backoff threshold
469 * @temperature: The threshold in Celsius
470 * @backoff: The tx-backoff in uSec
471 */
472struct iwl_tt_tx_backoff {
473	s32 temperature;
474	u32 backoff;
475};
476
477#define TT_TX_BACKOFF_SIZE 6
478
479/**
480 * struct iwl_tt_params - thermal throttling parameters
481 * @ct_kill_entry: CT Kill entry threshold
482 * @ct_kill_exit: CT Kill exit threshold
483 * @ct_kill_duration: The time  intervals (in uSec) in which the driver needs
484 *	to checks whether to exit CT Kill.
485 * @dynamic_smps_entry: Dynamic SMPS entry threshold
486 * @dynamic_smps_exit: Dynamic SMPS exit threshold
487 * @tx_protection_entry: TX protection entry threshold
488 * @tx_protection_exit: TX protection exit threshold
489 * @tx_backoff: Array of thresholds for tx-backoff , in ascending order.
490 * @support_ct_kill: Support CT Kill?
491 * @support_dynamic_smps: Support dynamic SMPS?
492 * @support_tx_protection: Support tx protection?
493 * @support_tx_backoff: Support tx-backoff?
494 */
495struct iwl_tt_params {
496	s32 ct_kill_entry;
497	s32 ct_kill_exit;
498	u32 ct_kill_duration;
499	s32 dynamic_smps_entry;
500	s32 dynamic_smps_exit;
501	s32 tx_protection_entry;
502	s32 tx_protection_exit;
503	struct iwl_tt_tx_backoff tx_backoff[TT_TX_BACKOFF_SIZE];
504	bool support_ct_kill;
505	bool support_dynamic_smps;
506	bool support_tx_protection;
507	bool support_tx_backoff;
508};
509
510/**
511 * struct iwl_mvm_tt_mgnt - Thermal Throttling Management structure
512 * @ct_kill_exit: worker to exit thermal kill
513 * @dynamic_smps: Is thermal throttling enabled dynamic_smps?
514 * @tx_backoff: The current thremal throttling tx backoff in uSec.
515 * @min_backoff: The minimal tx backoff due to power restrictions
516 * @params: Parameters to configure the thermal throttling algorithm.
517 * @throttle: Is thermal throttling is active?
518 */
519struct iwl_mvm_tt_mgmt {
520	struct delayed_work ct_kill_exit;
521	bool dynamic_smps;
522	u32 tx_backoff;
523	u32 min_backoff;
524	const struct iwl_tt_params *params;
525	bool throttle;
526};
527
528#define IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES 8
529
530struct iwl_mvm_frame_stats {
531	u32 legacy_frames;
532	u32 ht_frames;
533	u32 vht_frames;
534	u32 bw_20_frames;
535	u32 bw_40_frames;
536	u32 bw_80_frames;
537	u32 bw_160_frames;
538	u32 sgi_frames;
539	u32 ngi_frames;
540	u32 siso_frames;
541	u32 mimo2_frames;
542	u32 agg_frames;
543	u32 ampdu_count;
544	u32 success_frames;
545	u32 fail_frames;
546	u32 last_rates[IWL_MVM_NUM_LAST_FRAMES_UCODE_RATES];
547	int last_frame_idx;
548};
549
550enum {
551	D0I3_DEFER_WAKEUP,
552	D0I3_PENDING_WAKEUP,
553};
554
555#define IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE 0xff
556#define IWL_MVM_DEBUG_SET_TEMPERATURE_MIN -100
557#define IWL_MVM_DEBUG_SET_TEMPERATURE_MAX 200
558
559enum iwl_mvm_tdls_cs_state {
560	IWL_MVM_TDLS_SW_IDLE = 0,
561	IWL_MVM_TDLS_SW_REQ_SENT,
562	IWL_MVM_TDLS_SW_RESP_RCVD,
563	IWL_MVM_TDLS_SW_REQ_RCVD,
564	IWL_MVM_TDLS_SW_ACTIVE,
565};
566
567struct iwl_mvm_shared_mem_cfg {
568	u32 shared_mem_addr;
569	u32 shared_mem_size;
570	u32 sample_buff_addr;
571	u32 sample_buff_size;
572	u32 txfifo_addr;
573	u32 txfifo_size[TX_FIFO_MAX_NUM];
574	u32 rxfifo_size[RX_FIFO_MAX_NUM];
575	u32 page_buff_addr;
576	u32 page_buff_size;
577};
578
579struct iwl_mvm {
580	/* for logger access */
581	struct device *dev;
582
583	struct iwl_trans *trans;
584	const struct iwl_fw *fw;
585	const struct iwl_cfg *cfg;
586	struct iwl_phy_db *phy_db;
587	struct ieee80211_hw *hw;
588
589	/* for protecting access to iwl_mvm */
590	struct mutex mutex;
591	struct list_head async_handlers_list;
592	spinlock_t async_handlers_lock;
593	struct work_struct async_handlers_wk;
594
595	struct work_struct roc_done_wk;
596
597	unsigned long status;
598
599	/*
600	 * for beacon filtering -
601	 * currently only one interface can be supported
602	 */
603	struct iwl_mvm_vif *bf_allowed_vif;
604
605	enum iwl_ucode_type cur_ucode;
606	bool ucode_loaded;
607	bool calibrating;
608	u32 error_event_table;
609	u32 log_event_table;
610	u32 umac_error_event_table;
611	bool support_umac_log;
612	struct iwl_sf_region sf_space;
613
614	u32 ampdu_ref;
615
616	struct iwl_notif_wait_data notif_wait;
617
618	struct mvm_statistics_rx rx_stats;
619
620	struct {
621		u64 rx_time;
622		u64 tx_time;
623		u64 on_time_rf;
624		u64 on_time_scan;
625	} radio_stats, accu_radio_stats;
626
627	u8 queue_to_mac80211[IWL_MAX_HW_QUEUES];
628	atomic_t mac80211_queue_stop_count[IEEE80211_MAX_QUEUES];
629
630	const char *nvm_file_name;
631	struct iwl_nvm_data *nvm_data;
632	/* NVM sections */
633	struct iwl_nvm_section nvm_sections[NVM_MAX_NUM_SECTIONS];
634
635	/* EEPROM MAC addresses */
636	struct mac_address addresses[IWL_MVM_MAX_ADDRESSES];
637
638	/* data related to data path */
639	struct iwl_rx_phy_info last_phy_info;
640	struct ieee80211_sta __rcu *fw_id_to_mac_id[IWL_MVM_STATION_COUNT];
641	struct work_struct sta_drained_wk;
642	unsigned long sta_drained[BITS_TO_LONGS(IWL_MVM_STATION_COUNT)];
643	atomic_t pending_frames[IWL_MVM_STATION_COUNT];
644	u32 tfd_drained[IWL_MVM_STATION_COUNT];
645	u8 rx_ba_sessions;
646
647	/* configured by mac80211 */
648	u32 rts_threshold;
649
650	/* Scan status, cmd (pre-allocated) and auxiliary station */
651	enum iwl_scan_status scan_status;
652	void *scan_cmd;
653	struct iwl_mcast_filter_cmd *mcast_filter_cmd;
654
655	/* UMAC scan tracking */
656	u32 scan_uid[IWL_MVM_MAX_SIMULTANEOUS_SCANS];
657	u8 scan_seq_num, sched_scan_seq_num;
658
659	/* rx chain antennas set through debugfs for the scan command */
660	u8 scan_rx_ant;
661
662#ifdef CONFIG_IWLWIFI_BCAST_FILTERING
663	/* broadcast filters to configure for each associated station */
664	const struct iwl_fw_bcast_filter *bcast_filters;
665#ifdef CONFIG_IWLWIFI_DEBUGFS
666	struct {
667		u32 override; /* u32 for debugfs_create_bool */
668		struct iwl_bcast_filter_cmd cmd;
669	} dbgfs_bcast_filtering;
670#endif
671#endif
672
673	/* Internal station */
674	struct iwl_mvm_int_sta aux_sta;
675
676	bool last_ebs_successful;
677
678	u8 scan_last_antenna_idx; /* to toggle TX between antennas */
679	u8 mgmt_last_antenna_idx;
680
681	/* last smart fifo state that was successfully sent to firmware */
682	enum iwl_sf_state sf_state;
683
684#ifdef CONFIG_IWLWIFI_DEBUGFS
685	struct dentry *debugfs_dir;
686	u32 dbgfs_sram_offset, dbgfs_sram_len;
687	u32 dbgfs_prph_reg_addr;
688	bool disable_power_off;
689	bool disable_power_off_d3;
690
691	u32 scan_iter_notif_enabled; /* must be u32 for debugfs_create_bool */
692
693	struct debugfs_blob_wrapper nvm_hw_blob;
694	struct debugfs_blob_wrapper nvm_sw_blob;
695	struct debugfs_blob_wrapper nvm_calib_blob;
696	struct debugfs_blob_wrapper nvm_prod_blob;
697
698	struct iwl_mvm_frame_stats drv_rx_stats;
699	spinlock_t drv_stats_lock;
700	u16 dbgfs_rx_phyinfo;
701#endif
702
703	struct iwl_mvm_phy_ctxt phy_ctxts[NUM_PHY_CTX];
704
705	struct list_head time_event_list;
706	spinlock_t time_event_lock;
707
708	/*
709	 * A bitmap indicating the index of the key in use. The firmware
710	 * can hold 16 keys at most. Reflect this fact.
711	 */
712	unsigned long fw_key_table[BITS_TO_LONGS(STA_KEY_MAX_NUM)];
713
714	/* references taken by the driver and spinlock protecting them */
715	spinlock_t refs_lock;
716	u8 refs[IWL_MVM_REF_COUNT];
717
718	u8 vif_count;
719
720	/* -1 for always, 0 for never, >0 for that many times */
721	s8 restart_fw;
722	u8 fw_dbg_conf;
723	struct delayed_work fw_dump_wk;
724	struct iwl_mvm_dump_desc *fw_dump_desc;
725
726#ifdef CONFIG_IWLWIFI_LEDS
727	struct led_classdev led;
728#endif
729
730	struct ieee80211_vif *p2p_device_vif;
731
732#ifdef CONFIG_PM_SLEEP
733	struct wiphy_wowlan_support wowlan;
734	int gtk_ivlen, gtk_icvlen, ptk_ivlen, ptk_icvlen;
735
736	/* sched scan settings for net detect */
737	struct cfg80211_sched_scan_request *nd_config;
738	struct ieee80211_scan_ies nd_ies;
739	struct cfg80211_match_set *nd_match_sets;
740	int n_nd_match_sets;
741	struct ieee80211_channel **nd_channels;
742	int n_nd_channels;
743	bool net_detect;
744#ifdef CONFIG_IWLWIFI_DEBUGFS
745	u32 d3_wake_sysassert; /* must be u32 for debugfs_create_bool */
746	bool d3_test_active;
747	bool store_d3_resume_sram;
748	void *d3_resume_sram;
749	u32 d3_test_pme_ptr;
750	struct ieee80211_vif *keep_vif;
751	u32 last_netdetect_scans; /* no. of scans in the last net-detect wake */
752#endif
753#endif
754
755	/* d0i3 */
756	u8 d0i3_ap_sta_id;
757	bool d0i3_offloading;
758	struct work_struct d0i3_exit_work;
759	struct sk_buff_head d0i3_tx;
760	/* protect d0i3_suspend_flags */
761	struct mutex d0i3_suspend_mutex;
762	unsigned long d0i3_suspend_flags;
763	/* sync d0i3_tx queue and IWL_MVM_STATUS_IN_D0I3 status flag */
764	spinlock_t d0i3_tx_lock;
765	wait_queue_head_t d0i3_exit_waitq;
766
767	/* BT-Coex */
768	u8 bt_ack_kill_msk[NUM_PHY_CTX];
769	u8 bt_cts_kill_msk[NUM_PHY_CTX];
770
771	struct iwl_bt_coex_profile_notif_old last_bt_notif_old;
772	struct iwl_bt_coex_ci_cmd_old last_bt_ci_cmd_old;
773	struct iwl_bt_coex_profile_notif last_bt_notif;
774	struct iwl_bt_coex_ci_cmd last_bt_ci_cmd;
775
776	u32 last_ant_isol;
777	u8 last_corun_lut;
778	u8 bt_tx_prio;
779	enum iwl_bt_force_ant_mode bt_force_ant_mode;
780
781	/* Aux ROC */
782	struct list_head aux_roc_te_list;
783
784	/* Thermal Throttling and CTkill */
785	struct iwl_mvm_tt_mgmt thermal_throttle;
786	s32 temperature;	/* Celsius */
787	/*
788	 * Debug option to set the NIC temperature. This option makes the
789	 * driver think this is the actual NIC temperature, and ignore the
790	 * real temperature that is received from the fw
791	 */
792	bool temperature_test;  /* Debug test temperature is enabled */
793
794	struct iwl_time_quota_cmd last_quota_cmd;
795
796#ifdef CONFIG_NL80211_TESTMODE
797	u32 noa_duration;
798	struct ieee80211_vif *noa_vif;
799#endif
800
801	/* Tx queues */
802	u8 aux_queue;
803	u8 first_agg_queue;
804	u8 last_agg_queue;
805
806	/* Indicate if device power save is allowed */
807	u8 ps_disabled; /* u8 instead of bool to ease debugfs_create_* usage */
808
809	struct ieee80211_vif __rcu *csa_vif;
810	struct ieee80211_vif __rcu *csa_tx_blocked_vif;
811	u8 csa_tx_block_bcn_timeout;
812
813	/* system time of last beacon (for AP/GO interface) */
814	u32 ap_last_beacon_gp2;
815
816	bool lar_regdom_set;
817	enum iwl_mcc_source mcc_src;
818
819	u8 low_latency_agg_frame_limit;
820
821	/* TDLS channel switch data */
822	struct {
823		struct delayed_work dwork;
824		enum iwl_mvm_tdls_cs_state state;
825
826		/*
827		 * Current cs sta - might be different from periodic cs peer
828		 * station. Value is meaningless when the cs-state is idle.
829		 */
830		u8 cur_sta_id;
831
832		/* TDLS periodic channel-switch peer */
833		struct {
834			u8 sta_id;
835			u8 op_class;
836			bool initiator; /* are we the link initiator */
837			struct cfg80211_chan_def chandef;
838			struct sk_buff *skb; /* ch sw template */
839			u32 ch_sw_tm_ie;
840
841			/* timestamp of last ch-sw request sent (GP2 time) */
842			u32 sent_timestamp;
843		} peer;
844	} tdls_cs;
845
846	struct iwl_mvm_shared_mem_cfg shared_mem_cfg;
847};
848
849/* Extract MVM priv from op_mode and _hw */
850#define IWL_OP_MODE_GET_MVM(_iwl_op_mode)		\
851	((struct iwl_mvm *)(_iwl_op_mode)->op_mode_specific)
852
853#define IWL_MAC80211_GET_MVM(_hw)			\
854	IWL_OP_MODE_GET_MVM((struct iwl_op_mode *)((_hw)->priv))
855
856enum iwl_mvm_status {
857	IWL_MVM_STATUS_HW_RFKILL,
858	IWL_MVM_STATUS_HW_CTKILL,
859	IWL_MVM_STATUS_ROC_RUNNING,
860	IWL_MVM_STATUS_IN_HW_RESTART,
861	IWL_MVM_STATUS_IN_D0I3,
862	IWL_MVM_STATUS_ROC_AUX_RUNNING,
863	IWL_MVM_STATUS_D3_RECONFIG,
864	IWL_MVM_STATUS_DUMPING_FW_LOG,
865};
866
867static inline bool iwl_mvm_is_radio_killed(struct iwl_mvm *mvm)
868{
869	return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status) ||
870	       test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
871}
872
873static inline bool iwl_mvm_is_radio_hw_killed(struct iwl_mvm *mvm)
874{
875	return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status);
876}
877
878/* Must be called with rcu_read_lock() held and it can only be
879 * released when mvmsta is not needed anymore.
880 */
881static inline struct iwl_mvm_sta *
882iwl_mvm_sta_from_staid_rcu(struct iwl_mvm *mvm, u8 sta_id)
883{
884	struct ieee80211_sta *sta;
885
886	if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
887		return NULL;
888
889	sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
890
891	/* This can happen if the station has been removed right now */
892	if (IS_ERR_OR_NULL(sta))
893		return NULL;
894
895	return iwl_mvm_sta_from_mac80211(sta);
896}
897
898static inline struct iwl_mvm_sta *
899iwl_mvm_sta_from_staid_protected(struct iwl_mvm *mvm, u8 sta_id)
900{
901	struct ieee80211_sta *sta;
902
903	if (sta_id >= ARRAY_SIZE(mvm->fw_id_to_mac_id))
904		return NULL;
905
906	sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id],
907					lockdep_is_held(&mvm->mutex));
908
909	/* This can happen if the station has been removed right now */
910	if (IS_ERR_OR_NULL(sta))
911		return NULL;
912
913	return iwl_mvm_sta_from_mac80211(sta);
914}
915
916static inline bool iwl_mvm_is_d0i3_supported(struct iwl_mvm *mvm)
917{
918	return mvm->trans->cfg->d0i3 &&
919	       mvm->trans->d0i3_mode != IWL_D0I3_MODE_OFF &&
920	       !iwlwifi_mod_params.d0i3_disable &&
921	       (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_D0I3_SUPPORT);
922}
923
924static inline bool iwl_mvm_is_lar_supported(struct iwl_mvm *mvm)
925{
926	bool nvm_lar = mvm->nvm_data->lar_enabled;
927	bool tlv_lar = mvm->fw->ucode_capa.capa[0] &
928		IWL_UCODE_TLV_CAPA_LAR_SUPPORT;
929
930	if (iwlwifi_mod_params.lar_disable)
931		return false;
932
933	/*
934	 * Enable LAR only if it is supported by the FW (TLV) &&
935	 * enabled in the NVM
936	 */
937	if (mvm->cfg->device_family == IWL_DEVICE_FAMILY_8000)
938		return nvm_lar && tlv_lar;
939	else
940		return tlv_lar;
941}
942
943static inline bool iwl_mvm_is_wifi_mcc_supported(struct iwl_mvm *mvm)
944{
945	return mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_WIFI_MCC_UPDATE ||
946	       mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_LAR_MULTI_MCC;
947}
948
949static inline bool iwl_mvm_is_scd_cfg_supported(struct iwl_mvm *mvm)
950{
951	return mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_SCD_CFG;
952}
953
954static inline bool iwl_mvm_bt_is_plcr_supported(struct iwl_mvm *mvm)
955{
956	return (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_BT_COEX_PLCR) &&
957		IWL_MVM_BT_COEX_CORUNNING;
958}
959
960static inline bool iwl_mvm_bt_is_rrc_supported(struct iwl_mvm *mvm)
961{
962	return (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_BT_COEX_RRC) &&
963		IWL_MVM_BT_COEX_RRC;
964}
965
966extern const u8 iwl_mvm_ac_to_tx_fifo[];
967
968struct iwl_rate_info {
969	u8 plcp;	/* uCode API:  IWL_RATE_6M_PLCP, etc. */
970	u8 plcp_siso;	/* uCode API:  IWL_RATE_SISO_6M_PLCP, etc. */
971	u8 plcp_mimo2;	/* uCode API:  IWL_RATE_MIMO2_6M_PLCP, etc. */
972	u8 plcp_mimo3;  /* uCode API:  IWL_RATE_MIMO3_6M_PLCP, etc. */
973	u8 ieee;	/* MAC header:  IWL_RATE_6M_IEEE, etc. */
974};
975
976void __iwl_mvm_mac_stop(struct iwl_mvm *mvm);
977int __iwl_mvm_mac_start(struct iwl_mvm *mvm);
978
979/******************
980 * MVM Methods
981 ******************/
982/* uCode */
983int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm);
984
985/* Utils */
986int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags,
987					enum ieee80211_band band);
988void iwl_mvm_hwrate_to_tx_rate(u32 rate_n_flags,
989			       enum ieee80211_band band,
990			       struct ieee80211_tx_rate *r);
991u8 iwl_mvm_mac80211_idx_to_hwrate(int rate_idx);
992void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm);
993u8 first_antenna(u8 mask);
994u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx);
995
996/* Tx / Host Commands */
997int __must_check iwl_mvm_send_cmd(struct iwl_mvm *mvm,
998				  struct iwl_host_cmd *cmd);
999int __must_check iwl_mvm_send_cmd_pdu(struct iwl_mvm *mvm, u8 id,
1000				      u32 flags, u16 len, const void *data);
1001int __must_check iwl_mvm_send_cmd_status(struct iwl_mvm *mvm,
1002					 struct iwl_host_cmd *cmd,
1003					 u32 *status);
1004int __must_check iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u8 id,
1005					     u16 len, const void *data,
1006					     u32 *status);
1007int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb,
1008		   struct ieee80211_sta *sta);
1009int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb);
1010void iwl_mvm_set_tx_cmd(struct iwl_mvm *mvm, struct sk_buff *skb,
1011			struct iwl_tx_cmd *tx_cmd,
1012			struct ieee80211_tx_info *info, u8 sta_id);
1013void iwl_mvm_set_tx_cmd_crypto(struct iwl_mvm *mvm,
1014			       struct ieee80211_tx_info *info,
1015			       struct iwl_tx_cmd *tx_cmd,
1016			       struct sk_buff *skb_frag);
1017void iwl_mvm_set_tx_cmd_rate(struct iwl_mvm *mvm, struct iwl_tx_cmd *tx_cmd,
1018			    struct ieee80211_tx_info *info,
1019			    struct ieee80211_sta *sta, __le16 fc);
1020#ifdef CONFIG_IWLWIFI_DEBUG
1021const char *iwl_mvm_get_tx_fail_reason(u32 status);
1022#else
1023static inline const char *iwl_mvm_get_tx_fail_reason(u32 status) { return ""; }
1024#endif
1025int iwl_mvm_flush_tx_path(struct iwl_mvm *mvm, u32 tfd_msk, bool sync);
1026void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm);
1027
1028static inline void iwl_mvm_wait_for_async_handlers(struct iwl_mvm *mvm)
1029{
1030	flush_work(&mvm->async_handlers_wk);
1031}
1032
1033/* Statistics */
1034void iwl_mvm_handle_rx_statistics(struct iwl_mvm *mvm,
1035				  struct iwl_rx_packet *pkt);
1036int iwl_mvm_rx_statistics(struct iwl_mvm *mvm,
1037			  struct iwl_rx_cmd_buffer *rxb,
1038			  struct iwl_device_cmd *cmd);
1039int iwl_mvm_request_statistics(struct iwl_mvm *mvm, bool clear);
1040void iwl_mvm_accu_radio_stats(struct iwl_mvm *mvm);
1041
1042/* NVM */
1043int iwl_nvm_init(struct iwl_mvm *mvm, bool read_nvm_from_nic);
1044int iwl_mvm_load_nvm_to_nic(struct iwl_mvm *mvm);
1045
1046static inline u8 iwl_mvm_get_valid_tx_ant(struct iwl_mvm *mvm)
1047{
1048	return mvm->nvm_data && mvm->nvm_data->valid_tx_ant ?
1049	       mvm->fw->valid_tx_ant & mvm->nvm_data->valid_tx_ant :
1050	       mvm->fw->valid_tx_ant;
1051}
1052
1053static inline u8 iwl_mvm_get_valid_rx_ant(struct iwl_mvm *mvm)
1054{
1055	return mvm->nvm_data && mvm->nvm_data->valid_rx_ant ?
1056	       mvm->fw->valid_rx_ant & mvm->nvm_data->valid_rx_ant :
1057	       mvm->fw->valid_rx_ant;
1058}
1059
1060static inline u32 iwl_mvm_get_phy_config(struct iwl_mvm *mvm)
1061{
1062	u32 phy_config = ~(FW_PHY_CFG_TX_CHAIN |
1063			   FW_PHY_CFG_RX_CHAIN);
1064	u32 valid_rx_ant = iwl_mvm_get_valid_rx_ant(mvm);
1065	u32 valid_tx_ant = iwl_mvm_get_valid_tx_ant(mvm);
1066
1067	phy_config |= valid_tx_ant << FW_PHY_CFG_TX_CHAIN_POS |
1068		      valid_rx_ant << FW_PHY_CFG_RX_CHAIN_POS;
1069
1070	return mvm->fw->phy_config & phy_config;
1071}
1072
1073int iwl_mvm_up(struct iwl_mvm *mvm);
1074int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm);
1075
1076int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm);
1077bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm,
1078				    struct iwl_bcast_filter_cmd *cmd);
1079
1080/*
1081 * FW notifications / CMD responses handlers
1082 * Convention: iwl_mvm_rx_<NAME OF THE CMD>
1083 */
1084int iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1085			  struct iwl_device_cmd *cmd);
1086int iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1087		       struct iwl_device_cmd *cmd);
1088int iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1089		      struct iwl_device_cmd *cmd);
1090int iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1091			struct iwl_device_cmd *cmd);
1092int iwl_mvm_rx_radio_ver(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1093			 struct iwl_device_cmd *cmd);
1094int iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm,
1095				  struct iwl_rx_cmd_buffer *rxb,
1096				  struct iwl_device_cmd *cmd);
1097int iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1098			  struct iwl_device_cmd *cmd);
1099int iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm,
1100				struct iwl_rx_cmd_buffer *rxb,
1101				struct iwl_device_cmd *cmd);
1102int iwl_mvm_rx_radio_ver(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1103			 struct iwl_device_cmd *cmd);
1104int iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1105			    struct iwl_device_cmd *cmd);
1106int iwl_mvm_rx_shared_mem_cfg_notif(struct iwl_mvm *mvm,
1107				    struct iwl_rx_cmd_buffer *rxb,
1108				    struct iwl_device_cmd *cmd);
1109
1110/* MVM PHY */
1111int iwl_mvm_phy_ctxt_add(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
1112			 struct cfg80211_chan_def *chandef,
1113			 u8 chains_static, u8 chains_dynamic);
1114int iwl_mvm_phy_ctxt_changed(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt,
1115			     struct cfg80211_chan_def *chandef,
1116			     u8 chains_static, u8 chains_dynamic);
1117void iwl_mvm_phy_ctxt_ref(struct iwl_mvm *mvm,
1118			  struct iwl_mvm_phy_ctxt *ctxt);
1119void iwl_mvm_phy_ctxt_unref(struct iwl_mvm *mvm,
1120			    struct iwl_mvm_phy_ctxt *ctxt);
1121int iwl_mvm_phy_ctx_count(struct iwl_mvm *mvm);
1122u8 iwl_mvm_get_channel_width(struct cfg80211_chan_def *chandef);
1123u8 iwl_mvm_get_ctrl_pos(struct cfg80211_chan_def *chandef);
1124
1125/* MAC (virtual interface) programming */
1126int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1127void iwl_mvm_mac_ctxt_release(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1128int iwl_mvm_mac_ctxt_add(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1129int iwl_mvm_mac_ctxt_changed(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1130			     bool force_assoc_off, const u8 *bssid_override);
1131int iwl_mvm_mac_ctxt_remove(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1132u32 iwl_mvm_mac_get_queues_mask(struct ieee80211_vif *vif);
1133int iwl_mvm_mac_ctxt_beacon_changed(struct iwl_mvm *mvm,
1134				    struct ieee80211_vif *vif);
1135int iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm,
1136			    struct iwl_rx_cmd_buffer *rxb,
1137			    struct iwl_device_cmd *cmd);
1138int iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm,
1139				    struct iwl_rx_cmd_buffer *rxb,
1140				    struct iwl_device_cmd *cmd);
1141void iwl_mvm_mac_ctxt_recalc_tsf_id(struct iwl_mvm *mvm,
1142				    struct ieee80211_vif *vif);
1143unsigned long iwl_mvm_get_used_hw_queues(struct iwl_mvm *mvm,
1144					 struct ieee80211_vif *exclude_vif);
1145
1146/* Bindings */
1147int iwl_mvm_binding_add_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1148int iwl_mvm_binding_remove_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1149
1150/* Quota management */
1151int iwl_mvm_update_quotas(struct iwl_mvm *mvm, bool force_upload,
1152			  struct ieee80211_vif *disabled_vif);
1153
1154/* Scanning */
1155int iwl_mvm_scan_size(struct iwl_mvm *mvm);
1156int iwl_mvm_cancel_scan(struct iwl_mvm *mvm);
1157int iwl_mvm_max_scan_ie_len(struct iwl_mvm *mvm, bool is_sched_scan);
1158void iwl_mvm_report_scan_aborted(struct iwl_mvm *mvm);
1159
1160/* Scheduled scan */
1161int iwl_mvm_rx_scan_offload_complete_notif(struct iwl_mvm *mvm,
1162					   struct iwl_rx_cmd_buffer *rxb,
1163					   struct iwl_device_cmd *cmd);
1164int iwl_mvm_rx_scan_offload_iter_complete_notif(struct iwl_mvm *mvm,
1165						struct iwl_rx_cmd_buffer *rxb,
1166						struct iwl_device_cmd *cmd);
1167int iwl_mvm_config_sched_scan_profiles(struct iwl_mvm *mvm,
1168				       struct cfg80211_sched_scan_request *req);
1169int iwl_mvm_scan_offload_start(struct iwl_mvm *mvm,
1170			       struct ieee80211_vif *vif,
1171			       struct cfg80211_sched_scan_request *req,
1172			       struct ieee80211_scan_ies *ies);
1173int iwl_mvm_scan_offload_stop(struct iwl_mvm *mvm, bool notify);
1174int iwl_mvm_rx_scan_offload_results(struct iwl_mvm *mvm,
1175				    struct iwl_rx_cmd_buffer *rxb,
1176				    struct iwl_device_cmd *cmd);
1177
1178/* Unified scan */
1179int iwl_mvm_unified_scan_lmac(struct iwl_mvm *mvm,
1180			      struct ieee80211_vif *vif,
1181			      struct ieee80211_scan_request *req);
1182int iwl_mvm_unified_sched_scan_lmac(struct iwl_mvm *mvm,
1183				    struct ieee80211_vif *vif,
1184				    struct cfg80211_sched_scan_request *req,
1185				    struct ieee80211_scan_ies *ies);
1186
1187/* UMAC scan */
1188int iwl_mvm_config_scan(struct iwl_mvm *mvm);
1189int iwl_mvm_scan_umac(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1190		      struct ieee80211_scan_request *req);
1191int iwl_mvm_sched_scan_umac(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1192			    struct cfg80211_sched_scan_request *req,
1193			    struct ieee80211_scan_ies *ies);
1194int iwl_mvm_rx_umac_scan_complete_notif(struct iwl_mvm *mvm,
1195					struct iwl_rx_cmd_buffer *rxb,
1196					struct iwl_device_cmd *cmd);
1197
1198/* MVM debugfs */
1199#ifdef CONFIG_IWLWIFI_DEBUGFS
1200int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir);
1201void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1202void iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1203#else
1204static inline int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm,
1205					 struct dentry *dbgfs_dir)
1206{
1207	return 0;
1208}
1209static inline void
1210iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1211{
1212}
1213static inline void
1214iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1215{
1216}
1217#endif /* CONFIG_IWLWIFI_DEBUGFS */
1218
1219/* rate scaling */
1220int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool init);
1221void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm, u32 rate, bool agg);
1222int rs_pretty_print_rate(char *buf, const u32 rate);
1223void rs_update_last_rssi(struct iwl_mvm *mvm,
1224			 struct iwl_lq_sta *lq_sta,
1225			 struct ieee80211_rx_status *rx_status);
1226
1227/* power management */
1228int iwl_mvm_power_update_device(struct iwl_mvm *mvm);
1229int iwl_mvm_power_update_mac(struct iwl_mvm *mvm);
1230int iwl_mvm_power_update_ps(struct iwl_mvm *mvm);
1231int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1232				 char *buf, int bufsz);
1233
1234void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1235int iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm,
1236					     struct iwl_rx_cmd_buffer *rxb,
1237					     struct iwl_device_cmd *cmd);
1238
1239#ifdef CONFIG_IWLWIFI_LEDS
1240int iwl_mvm_leds_init(struct iwl_mvm *mvm);
1241void iwl_mvm_leds_exit(struct iwl_mvm *mvm);
1242#else
1243static inline int iwl_mvm_leds_init(struct iwl_mvm *mvm)
1244{
1245	return 0;
1246}
1247static inline void iwl_mvm_leds_exit(struct iwl_mvm *mvm)
1248{
1249}
1250#endif
1251
1252/* D3 (WoWLAN, NetDetect) */
1253int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan);
1254int iwl_mvm_resume(struct ieee80211_hw *hw);
1255void iwl_mvm_set_wakeup(struct ieee80211_hw *hw, bool enabled);
1256void iwl_mvm_set_rekey_data(struct ieee80211_hw *hw,
1257			    struct ieee80211_vif *vif,
1258			    struct cfg80211_gtk_rekey_data *data);
1259void iwl_mvm_ipv6_addr_change(struct ieee80211_hw *hw,
1260			      struct ieee80211_vif *vif,
1261			      struct inet6_dev *idev);
1262void iwl_mvm_set_default_unicast_key(struct ieee80211_hw *hw,
1263				     struct ieee80211_vif *vif, int idx);
1264extern const struct file_operations iwl_dbgfs_d3_test_ops;
1265#ifdef CONFIG_PM_SLEEP
1266void iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm,
1267				 struct ieee80211_vif *vif);
1268#else
1269static inline void
1270iwl_mvm_set_last_nonqos_seq(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
1271{
1272}
1273#endif
1274void iwl_mvm_set_wowlan_qos_seq(struct iwl_mvm_sta *mvm_ap_sta,
1275				struct iwl_wowlan_config_cmd *cmd);
1276int iwl_mvm_send_proto_offload(struct iwl_mvm *mvm,
1277			       struct ieee80211_vif *vif,
1278			       bool disable_offloading,
1279			       u32 cmd_flags);
1280
1281/* D0i3 */
1282void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1283void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1284int iwl_mvm_ref_sync(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type);
1285bool iwl_mvm_ref_taken(struct iwl_mvm *mvm);
1286void iwl_mvm_d0i3_enable_tx(struct iwl_mvm *mvm, __le16 *qos_seq);
1287int iwl_mvm_enter_d0i3(struct iwl_op_mode *op_mode);
1288int iwl_mvm_exit_d0i3(struct iwl_op_mode *op_mode);
1289int _iwl_mvm_exit_d0i3(struct iwl_mvm *mvm);
1290
1291/* BT Coex */
1292int iwl_send_bt_init_conf(struct iwl_mvm *mvm);
1293int iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm,
1294			     struct iwl_rx_cmd_buffer *rxb,
1295			     struct iwl_device_cmd *cmd);
1296void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1297			   enum ieee80211_rssi_event_data);
1298void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm);
1299u16 iwl_mvm_coex_agg_time_limit(struct iwl_mvm *mvm,
1300				struct ieee80211_sta *sta);
1301bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm,
1302				     struct ieee80211_sta *sta);
1303bool iwl_mvm_bt_coex_is_ant_avail(struct iwl_mvm *mvm, u8 ant);
1304bool iwl_mvm_bt_coex_is_shared_ant_avail(struct iwl_mvm *mvm);
1305bool iwl_mvm_bt_coex_is_tpc_allowed(struct iwl_mvm *mvm,
1306				    enum ieee80211_band band);
1307u8 iwl_mvm_bt_coex_tx_prio(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr,
1308			   struct ieee80211_tx_info *info, u8 ac);
1309
1310bool iwl_mvm_bt_coex_is_shared_ant_avail_old(struct iwl_mvm *mvm);
1311void iwl_mvm_bt_coex_vif_change_old(struct iwl_mvm *mvm);
1312int iwl_send_bt_init_conf_old(struct iwl_mvm *mvm);
1313int iwl_mvm_rx_bt_coex_notif_old(struct iwl_mvm *mvm,
1314				 struct iwl_rx_cmd_buffer *rxb,
1315				 struct iwl_device_cmd *cmd);
1316void iwl_mvm_bt_rssi_event_old(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1317			       enum ieee80211_rssi_event_data);
1318u16 iwl_mvm_coex_agg_time_limit_old(struct iwl_mvm *mvm,
1319				    struct ieee80211_sta *sta);
1320bool iwl_mvm_bt_coex_is_mimo_allowed_old(struct iwl_mvm *mvm,
1321					 struct ieee80211_sta *sta);
1322bool iwl_mvm_bt_coex_is_tpc_allowed_old(struct iwl_mvm *mvm,
1323					enum ieee80211_band band);
1324int iwl_mvm_rx_ant_coupling_notif_old(struct iwl_mvm *mvm,
1325				      struct iwl_rx_cmd_buffer *rxb,
1326				      struct iwl_device_cmd *cmd);
1327
1328/* beacon filtering */
1329#ifdef CONFIG_IWLWIFI_DEBUGFS
1330void
1331iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1332					 struct iwl_beacon_filter_cmd *cmd);
1333#else
1334static inline void
1335iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
1336					 struct iwl_beacon_filter_cmd *cmd)
1337{}
1338#endif
1339int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm,
1340				   struct ieee80211_vif *vif,
1341				   bool enable, u32 flags);
1342int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
1343				 struct ieee80211_vif *vif,
1344				 u32 flags);
1345int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
1346				  struct ieee80211_vif *vif,
1347				  u32 flags);
1348/* SMPS */
1349void iwl_mvm_update_smps(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1350				enum iwl_mvm_smps_type_request req_type,
1351				enum ieee80211_smps_mode smps_request);
1352bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm *mvm);
1353
1354/* Low latency */
1355int iwl_mvm_update_low_latency(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1356			       bool value);
1357/* get SystemLowLatencyMode - only needed for beacon threshold? */
1358bool iwl_mvm_low_latency(struct iwl_mvm *mvm);
1359/* get VMACLowLatencyMode */
1360static inline bool iwl_mvm_vif_low_latency(struct iwl_mvm_vif *mvmvif)
1361{
1362	/*
1363	 * should this consider associated/active/... state?
1364	 *
1365	 * Normally low-latency should only be active on interfaces
1366	 * that are active, but at least with debugfs it can also be
1367	 * enabled on interfaces that aren't active. However, when
1368	 * interface aren't active then they aren't added into the
1369	 * binding, so this has no real impact. For now, just return
1370	 * the current desired low-latency state.
1371	 */
1372
1373	return mvmvif->low_latency;
1374}
1375
1376/* hw scheduler queue config */
1377void iwl_mvm_enable_txq(struct iwl_mvm *mvm, int queue, u16 ssn,
1378			const struct iwl_trans_txq_scd_cfg *cfg,
1379			unsigned int wdg_timeout);
1380void iwl_mvm_disable_txq(struct iwl_mvm *mvm, int queue, u8 flags);
1381
1382static inline
1383void iwl_mvm_enable_ac_txq(struct iwl_mvm *mvm, int queue,
1384			   u8 fifo, unsigned int wdg_timeout)
1385{
1386	struct iwl_trans_txq_scd_cfg cfg = {
1387		.fifo = fifo,
1388		.tid = IWL_MAX_TID_COUNT,
1389		.aggregate = false,
1390		.frame_limit = IWL_FRAME_LIMIT,
1391	};
1392
1393	iwl_mvm_enable_txq(mvm, queue, 0, &cfg, wdg_timeout);
1394}
1395
1396static inline void iwl_mvm_enable_agg_txq(struct iwl_mvm *mvm, int queue,
1397					  int fifo, int sta_id, int tid,
1398					  int frame_limit, u16 ssn,
1399					  unsigned int wdg_timeout)
1400{
1401	struct iwl_trans_txq_scd_cfg cfg = {
1402		.fifo = fifo,
1403		.sta_id = sta_id,
1404		.tid = tid,
1405		.frame_limit = frame_limit,
1406		.aggregate = true,
1407	};
1408
1409	iwl_mvm_enable_txq(mvm, queue, ssn, &cfg, wdg_timeout);
1410}
1411
1412/* Thermal management and CT-kill */
1413void iwl_mvm_tt_tx_backoff(struct iwl_mvm *mvm, u32 backoff);
1414void iwl_mvm_tt_temp_changed(struct iwl_mvm *mvm, u32 temp);
1415int iwl_mvm_temp_notif(struct iwl_mvm *mvm,
1416		       struct iwl_rx_cmd_buffer *rxb,
1417		       struct iwl_device_cmd *cmd);
1418void iwl_mvm_tt_handler(struct iwl_mvm *mvm);
1419void iwl_mvm_tt_initialize(struct iwl_mvm *mvm, u32 min_backoff);
1420void iwl_mvm_tt_exit(struct iwl_mvm *mvm);
1421void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state);
1422int iwl_mvm_get_temp(struct iwl_mvm *mvm);
1423
1424/* Location Aware Regulatory */
1425struct iwl_mcc_update_resp *
1426iwl_mvm_update_mcc(struct iwl_mvm *mvm, const char *alpha2,
1427		   enum iwl_mcc_source src_id);
1428int iwl_mvm_init_mcc(struct iwl_mvm *mvm);
1429int iwl_mvm_rx_chub_update_mcc(struct iwl_mvm *mvm,
1430			       struct iwl_rx_cmd_buffer *rxb,
1431			       struct iwl_device_cmd *cmd);
1432struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy,
1433						  const char *alpha2,
1434						  enum iwl_mcc_source src_id,
1435						  bool *changed);
1436struct ieee80211_regdomain *iwl_mvm_get_current_regdomain(struct iwl_mvm *mvm,
1437							  bool *changed);
1438int iwl_mvm_init_fw_regd(struct iwl_mvm *mvm);
1439void iwl_mvm_update_changed_regdom(struct iwl_mvm *mvm);
1440
1441/* smart fifo */
1442int iwl_mvm_sf_update(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1443		      bool added_vif);
1444
1445/* TDLS */
1446
1447/*
1448 * We use TID 4 (VI) as a FW-used-only TID when TDLS connections are present.
1449 * This TID is marked as used vs the AP and all connected TDLS peers.
1450 */
1451#define IWL_MVM_TDLS_FW_TID 4
1452
1453int iwl_mvm_tdls_sta_count(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
1454void iwl_mvm_teardown_tdls_peers(struct iwl_mvm *mvm);
1455void iwl_mvm_recalc_tdls_state(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1456			       bool sta_added);
1457void iwl_mvm_mac_mgd_protect_tdls_discover(struct ieee80211_hw *hw,
1458					   struct ieee80211_vif *vif);
1459int iwl_mvm_tdls_channel_switch(struct ieee80211_hw *hw,
1460				struct ieee80211_vif *vif,
1461				struct ieee80211_sta *sta, u8 oper_class,
1462				struct cfg80211_chan_def *chandef,
1463				struct sk_buff *tmpl_skb, u32 ch_sw_tm_ie);
1464void iwl_mvm_tdls_recv_channel_switch(struct ieee80211_hw *hw,
1465				      struct ieee80211_vif *vif,
1466				      struct ieee80211_tdls_ch_sw_params *params);
1467void iwl_mvm_tdls_cancel_channel_switch(struct ieee80211_hw *hw,
1468					struct ieee80211_vif *vif,
1469					struct ieee80211_sta *sta);
1470int iwl_mvm_rx_tdls_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
1471			  struct iwl_device_cmd *cmd);
1472void iwl_mvm_tdls_ch_switch_work(struct work_struct *work);
1473
1474struct ieee80211_vif *iwl_mvm_get_bss_vif(struct iwl_mvm *mvm);
1475
1476void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error);
1477void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm);
1478
1479int iwl_mvm_start_fw_dbg_conf(struct iwl_mvm *mvm, u8 id);
1480int iwl_mvm_fw_dbg_collect(struct iwl_mvm *mvm, enum iwl_fw_dbg_trigger trig,
1481			   const char *str, size_t len, unsigned int delay);
1482int iwl_mvm_fw_dbg_collect_desc(struct iwl_mvm *mvm,
1483				struct iwl_mvm_dump_desc *desc,
1484				unsigned int delay);
1485void iwl_mvm_free_fw_dump_desc(struct iwl_mvm *mvm);
1486int iwl_mvm_fw_dbg_collect_trig(struct iwl_mvm *mvm,
1487				struct iwl_fw_dbg_trigger_tlv *trigger,
1488				const char *fmt, ...) __printf(3, 4);
1489unsigned int iwl_mvm_get_wd_timeout(struct iwl_mvm *mvm,
1490				    struct ieee80211_vif *vif,
1491				    bool tdls, bool cmd_q);
1492void iwl_mvm_connection_loss(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1493			     const char *errmsg);
1494static inline bool
1495iwl_fw_dbg_trigger_vif_match(struct iwl_fw_dbg_trigger_tlv *trig,
1496			     struct ieee80211_vif *vif)
1497{
1498	u32 trig_vif = le32_to_cpu(trig->vif_type);
1499
1500	return trig_vif == IWL_FW_DBG_CONF_VIF_ANY || vif->type == trig_vif;
1501}
1502
1503static inline bool
1504iwl_fw_dbg_trigger_stop_conf_match(struct iwl_mvm *mvm,
1505				   struct iwl_fw_dbg_trigger_tlv *trig)
1506{
1507	return ((trig->mode & IWL_FW_DBG_TRIGGER_STOP) &&
1508		(mvm->fw_dbg_conf == FW_DBG_INVALID ||
1509		(BIT(mvm->fw_dbg_conf) & le32_to_cpu(trig->stop_conf_ids))));
1510}
1511
1512static inline bool
1513iwl_fw_dbg_trigger_check_stop(struct iwl_mvm *mvm,
1514			      struct ieee80211_vif *vif,
1515			      struct iwl_fw_dbg_trigger_tlv *trig)
1516{
1517	if (vif && !iwl_fw_dbg_trigger_vif_match(trig, vif))
1518		return false;
1519
1520	return iwl_fw_dbg_trigger_stop_conf_match(mvm, trig);
1521}
1522
1523static inline void
1524iwl_fw_dbg_trigger_simple_stop(struct iwl_mvm *mvm,
1525			       struct ieee80211_vif *vif,
1526			       enum iwl_fw_dbg_trigger trig)
1527{
1528	struct iwl_fw_dbg_trigger_tlv *trigger;
1529
1530	if (!iwl_fw_dbg_trigger_enabled(mvm->fw, trig))
1531		return;
1532
1533	trigger = iwl_fw_dbg_get_trigger(mvm->fw, trig);
1534	if (!iwl_fw_dbg_trigger_check_stop(mvm, vif, trigger))
1535		return;
1536
1537	iwl_mvm_fw_dbg_collect_trig(mvm, trigger, NULL);
1538}
1539
1540#endif /* __IWL_MVM_H__ */
1541