summaryrefslogtreecommitdiffstats
path: root/drivers/net/wireless/iwlwifi/mvm/power.c
blob: d58e393324ef3ff9591f1cf297cf656c259037ae (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
/******************************************************************************
 *
 * This file is provided under a dual BSD/GPLv2 license.  When using or
 * redistributing this file, you may do so under either license.
 *
 * GPL LICENSE SUMMARY
 *
 * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of version 2 of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
 * USA
 *
 * The full GNU General Public License is included in this distribution
 * in the file called COPYING.
 *
 * Contact Information:
 *  Intel Linux Wireless <ilw@linux.intel.com>
 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
 *
 * BSD LICENSE
 *
 * Copyright(c) 2012 - 2013 Intel Corporation. All rights reserved.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *  * Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *  * Neither the name Intel Corporation nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 *****************************************************************************/

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/init.h>

#include <net/mac80211.h>

#include "iwl-debug.h"
#include "mvm.h"
#include "iwl-modparams.h"
#include "fw-api-power.h"

#define POWER_KEEP_ALIVE_PERIOD_SEC    25

int iwl_mvm_beacon_filter_send_cmd(struct iwl_mvm *mvm,
				   struct iwl_beacon_filter_cmd *cmd)
{
	int ret;

	ret = iwl_mvm_send_cmd_pdu(mvm, REPLY_BEACON_FILTERING_CMD, CMD_SYNC,
				   sizeof(struct iwl_beacon_filter_cmd), cmd);

	if (!ret) {
		IWL_DEBUG_POWER(mvm, "ba_enable_beacon_abort is: %d\n",
				le32_to_cpu(cmd->ba_enable_beacon_abort));
		IWL_DEBUG_POWER(mvm, "ba_escape_timer is: %d\n",
				le32_to_cpu(cmd->ba_escape_timer));
		IWL_DEBUG_POWER(mvm, "bf_debug_flag is: %d\n",
				le32_to_cpu(cmd->bf_debug_flag));
		IWL_DEBUG_POWER(mvm, "bf_enable_beacon_filter is: %d\n",
				le32_to_cpu(cmd->bf_enable_beacon_filter));
		IWL_DEBUG_POWER(mvm, "bf_energy_delta is: %d\n",
				le32_to_cpu(cmd->bf_energy_delta));
		IWL_DEBUG_POWER(mvm, "bf_escape_timer is: %d\n",
				le32_to_cpu(cmd->bf_escape_timer));
		IWL_DEBUG_POWER(mvm, "bf_roaming_energy_delta is: %d\n",
				le32_to_cpu(cmd->bf_roaming_energy_delta));
		IWL_DEBUG_POWER(mvm, "bf_roaming_state is: %d\n",
				le32_to_cpu(cmd->bf_roaming_state));
		IWL_DEBUG_POWER(mvm, "bf_temp_threshold is: %d\n",
				le32_to_cpu(cmd->bf_temp_threshold));
		IWL_DEBUG_POWER(mvm, "bf_temp_fast_filter is: %d\n",
				le32_to_cpu(cmd->bf_temp_fast_filter));
		IWL_DEBUG_POWER(mvm, "bf_temp_slow_filter is: %d\n",
				le32_to_cpu(cmd->bf_temp_slow_filter));
	}
	return ret;
}

static
void iwl_mvm_beacon_filter_set_cqm_params(struct iwl_mvm *mvm,
					  struct ieee80211_vif *vif,
					  struct iwl_beacon_filter_cmd *cmd)
{
	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);

	if (vif->bss_conf.cqm_rssi_thold) {
		cmd->bf_energy_delta =
			cpu_to_le32(vif->bss_conf.cqm_rssi_hyst);
		/* fw uses an absolute value for this */
		cmd->bf_roaming_state =
			cpu_to_le32(-vif->bss_conf.cqm_rssi_thold);
	}
	cmd->ba_enable_beacon_abort = cpu_to_le32(mvmvif->bf_data.ba_enabled);
}

int iwl_mvm_update_beacon_abort(struct iwl_mvm *mvm,
				struct ieee80211_vif *vif, bool enable)
{
	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
	struct iwl_beacon_filter_cmd cmd = {
		IWL_BF_CMD_CONFIG_DEFAULTS,
		.bf_enable_beacon_filter = cpu_to_le32(1),
		.ba_enable_beacon_abort = cpu_to_le32(enable),
	};

	if (!mvmvif->bf_data.bf_enabled)
		return 0;

	if (mvm->cur_ucode == IWL_UCODE_WOWLAN)
		cmd.ba_escape_timer = cpu_to_le32(IWL_BA_ESCAPE_TIMER_D3);

	mvmvif->bf_data.ba_enabled = enable;
	iwl_mvm_beacon_filter_set_cqm_params(mvm, vif, &cmd);
	iwl_mvm_beacon_filter_debugfs_parameters(vif, &cmd);
	return iwl_mvm_beacon_filter_send_cmd(mvm, &cmd);
}

static void iwl_mvm_power_log(struct iwl_mvm *mvm,
			      struct iwl_mac_power_cmd *cmd)
{
	IWL_DEBUG_POWER(mvm,
			"Sending power table command on mac id 0x%X for power level %d, flags = 0x%X\n",
			cmd->id_and_color, iwlmvm_mod_params.power_scheme,
			le16_to_cpu(cmd->flags));
	IWL_DEBUG_POWER(mvm, "Keep alive = %u sec\n",
			le16_to_cpu(cmd->keep_alive_seconds));

	if (!(cmd->flags & cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK))) {
		IWL_DEBUG_POWER(mvm, "Disable power management\n");
		return;
	}

	IWL_DEBUG_POWER(mvm, "Rx timeout = %u usec\n",
			le32_to_cpu(cmd->rx_data_timeout));
	IWL_DEBUG_POWER(mvm, "Tx timeout = %u usec\n",
			le32_to_cpu(cmd->tx_data_timeout));
	if (cmd->flags & cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK))
		IWL_DEBUG_POWER(mvm, "DTIM periods to skip = %u\n",
				cmd->skip_dtim_periods);
	if (cmd->flags & cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK))
		IWL_DEBUG_POWER(mvm, "LP RX RSSI threshold = %u\n",
				cmd->lprx_rssi_threshold);
	if (cmd->flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK)) {
		IWL_DEBUG_POWER(mvm, "uAPSD enabled\n");
		IWL_DEBUG_POWER(mvm, "Rx timeout (uAPSD) = %u usec\n",
				le32_to_cpu(cmd->rx_data_timeout_uapsd));
		IWL_DEBUG_POWER(mvm, "Tx timeout (uAPSD) = %u usec\n",
				le32_to_cpu(cmd->tx_data_timeout_uapsd));
		IWL_DEBUG_POWER(mvm, "QNDP TID = %d\n", cmd->qndp_tid);
		IWL_DEBUG_POWER(mvm, "ACs flags = 0x%x\n", cmd->uapsd_ac_flags);
		IWL_DEBUG_POWER(mvm, "Max SP = %d\n", cmd->uapsd_max_sp);
	}
}

static void iwl_mvm_power_build_cmd(struct iwl_mvm *mvm,
				    struct ieee80211_vif *vif,
				    struct iwl_mac_power_cmd *cmd)
{
	struct ieee80211_hw *hw = mvm->hw;
	struct ieee80211_chanctx_conf *chanctx_conf;
	struct ieee80211_channel *chan;
	int dtimper, dtimper_msec;
	int keep_alive;
	bool radar_detect = false;
	struct iwl_mvm_vif *mvmvif __maybe_unused =
		iwl_mvm_vif_from_mac80211(vif);
	enum ieee80211_ac_numbers ac;
	bool tid_found = false;

	cmd->id_and_color = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id,
							    mvmvif->color));
	dtimper = hw->conf.ps_dtim_period ?: 1;

	/*
	 * Regardless of power management state the driver must set
	 * keep alive period. FW will use it for sending keep alive NDPs
	 * immediately after association. Check that keep alive period
	 * is at least 3 * DTIM
	 */
	dtimper_msec = dtimper * vif->bss_conf.beacon_int;
	keep_alive = max_t(int, 3 * dtimper_msec,
			   MSEC_PER_SEC * POWER_KEEP_ALIVE_PERIOD_SEC);
	keep_alive = DIV_ROUND_UP(keep_alive, MSEC_PER_SEC);
	cmd->keep_alive_seconds = cpu_to_le16(keep_alive);

	if (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM)
		return;

	cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_SAVE_ENA_MSK);

#ifdef CONFIG_IWLWIFI_DEBUGFS
	if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_DISABLE_POWER_OFF &&
	    mvmvif->dbgfs_pm.disable_power_off)
		cmd->flags &= cpu_to_le16(~POWER_FLAGS_POWER_SAVE_ENA_MSK);
#endif
	if (!vif->bss_conf.ps)
		return;

	cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK);

	if (vif->bss_conf.beacon_rate &&
	    (vif->bss_conf.beacon_rate->bitrate == 10 ||
	     vif->bss_conf.beacon_rate->bitrate == 60)) {
		cmd->flags |= cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK);
		cmd->lprx_rssi_threshold = POWER_LPRX_RSSI_THRESHOLD;
	}

	/* Check if radar detection is required on current channel */
	rcu_read_lock();
	chanctx_conf = rcu_dereference(vif->chanctx_conf);
	WARN_ON(!chanctx_conf);
	if (chanctx_conf) {
		chan = chanctx_conf->def.chan;
		radar_detect = chan->flags & IEEE80211_CHAN_RADAR;
	}
	rcu_read_unlock();

	/* Check skip over DTIM conditions */
	if (!radar_detect && (dtimper <= 10) &&
	    (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_LP ||
	     mvm->cur_ucode == IWL_UCODE_WOWLAN)) {
		cmd->flags |= cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK);
		cmd->skip_dtim_periods = 3;
	}

	if (mvm->cur_ucode != IWL_UCODE_WOWLAN) {
		cmd->rx_data_timeout =
			cpu_to_le32(IWL_MVM_DEFAULT_PS_RX_DATA_TIMEOUT);
		cmd->tx_data_timeout =
			cpu_to_le32(IWL_MVM_DEFAULT_PS_TX_DATA_TIMEOUT);
	} else {
		cmd->rx_data_timeout =
			cpu_to_le32(IWL_MVM_WOWLAN_PS_RX_DATA_TIMEOUT);
		cmd->tx_data_timeout =
			cpu_to_le32(IWL_MVM_WOWLAN_PS_TX_DATA_TIMEOUT);
	}

	for (ac = IEEE80211_AC_VO; ac <= IEEE80211_AC_BK; ac++) {
		if (!mvmvif->queue_params[ac].uapsd)
			continue;

		if (mvm->cur_ucode != IWL_UCODE_WOWLAN)
			cmd->flags |=
				cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK);

		cmd->uapsd_ac_flags |= BIT(ac);

		/* QNDP TID - the highest TID with no admission control */
		if (!tid_found && !mvmvif->queue_params[ac].acm) {
			tid_found = true;
			switch (ac) {
			case IEEE80211_AC_VO:
				cmd->qndp_tid = 6;
				break;
			case IEEE80211_AC_VI:
				cmd->qndp_tid = 5;
				break;
			case IEEE80211_AC_BE:
				cmd->qndp_tid = 0;
				break;
			case IEEE80211_AC_BK:
				cmd->qndp_tid = 1;
				break;
			}
		}
	}

	if (cmd->flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK)) {
		cmd->rx_data_timeout_uapsd =
			cpu_to_le32(IWL_MVM_UAPSD_RX_DATA_TIMEOUT);
		cmd->tx_data_timeout_uapsd =
			cpu_to_le32(IWL_MVM_UAPSD_TX_DATA_TIMEOUT);

		if (cmd->uapsd_ac_flags == (BIT(IEEE80211_AC_VO) |
					    BIT(IEEE80211_AC_VI) |
					    BIT(IEEE80211_AC_BE) |
					    BIT(IEEE80211_AC_BK))) {
			cmd->flags |= cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK);
			cmd->snooze_interval =
				cpu_to_le16(IWL_MVM_PS_SNOOZE_INTERVAL);
			cmd->snooze_window =
				(mvm->cur_ucode == IWL_UCODE_WOWLAN) ?
				cpu_to_le16(IWL_MVM_WOWLAN_PS_SNOOZE_WINDOW) :
				cpu_to_le16(IWL_MVM_PS_SNOOZE_WINDOW);
		}

		cmd->uapsd_max_sp = IWL_UAPSD_MAX_SP;
		cmd->heavy_tx_thld_packets =
			IWL_MVM_PS_HEAVY_TX_THLD_PACKETS;
		cmd->heavy_rx_thld_packets =
			IWL_MVM_PS_HEAVY_RX_THLD_PACKETS;
		cmd->heavy_tx_thld_percentage =
			IWL_MVM_PS_HEAVY_TX_THLD_PERCENT;
		cmd->heavy_rx_thld_percentage =
			IWL_MVM_PS_HEAVY_RX_THLD_PERCENT;
	}

#ifdef CONFIG_IWLWIFI_DEBUGFS
	if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_KEEP_ALIVE)
		cmd->keep_alive_seconds =
			cpu_to_le16(mvmvif->dbgfs_pm.keep_alive_seconds);
	if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SKIP_OVER_DTIM) {
		if (mvmvif->dbgfs_pm.skip_over_dtim)
			cmd->flags |=
				cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK);
		else
			cmd->flags &=
				cpu_to_le16(~POWER_FLAGS_SKIP_OVER_DTIM_MSK);
	}
	if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_RX_DATA_TIMEOUT)
		cmd->rx_data_timeout =
			cpu_to_le32(mvmvif->dbgfs_pm.rx_data_timeout);
	if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_TX_DATA_TIMEOUT)
		cmd->tx_data_timeout =
			cpu_to_le32(mvmvif->dbgfs_pm.tx_data_timeout);
	if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS)
		cmd->skip_dtim_periods = mvmvif->dbgfs_pm.skip_dtim_periods;
	if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_LPRX_ENA) {
		if (mvmvif->dbgfs_pm.lprx_ena)
			cmd->flags |= cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK);
		else
			cmd->flags &= cpu_to_le16(~POWER_FLAGS_LPRX_ENA_MSK);
	}
	if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD)
		cmd->lprx_rssi_threshold = mvmvif->dbgfs_pm.lprx_rssi_threshold;
	if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SNOOZE_ENABLE) {
		if (mvmvif->dbgfs_pm.snooze_ena)
			cmd->flags |=
				cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK);
		else
			cmd->flags &=
				cpu_to_le16(~POWER_FLAGS_SNOOZE_ENA_MSK);
	}
#endif /* CONFIG_IWLWIFI_DEBUGFS */
}

static int iwl_mvm_power_mac_update_mode(struct iwl_mvm *mvm,
					 struct ieee80211_vif *vif)
{
	int ret;
	bool ba_enable;
	struct iwl_mac_power_cmd cmd = {};

	if (vif->type != NL80211_IFTYPE_STATION || vif->p2p)
		return 0;

	/*
	 * TODO: The following vif_count verification is temporary condition.
	 * Avoid power mode update if more than one interface is currently
	 * active. Remove this condition when FW will support power management
	 * on multiple MACs.
	 */
	IWL_DEBUG_POWER(mvm, "Currently %d interfaces active\n",
			mvm->vif_count);
	if (mvm->vif_count > 1)
		return 0;

	iwl_mvm_power_build_cmd(mvm, vif, &cmd);
	iwl_mvm_power_log(mvm, &cmd);

	ret = iwl_mvm_send_cmd_pdu(mvm, MAC_PM_POWER_TABLE, CMD_SYNC,
				   sizeof(cmd), &cmd);
	if (ret)
		return ret;

	ba_enable = !!(cmd.flags &
		       cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK));

	return iwl_mvm_update_beacon_abort(mvm, vif, ba_enable);
}

static int iwl_mvm_power_mac_disable(struct iwl_mvm *mvm,
				     struct ieee80211_vif *vif)
{
	struct iwl_mac_power_cmd cmd = {};
	struct iwl_mvm_vif *mvmvif __maybe_unused =
		iwl_mvm_vif_from_mac80211(vif);

	if (vif->type != NL80211_IFTYPE_STATION || vif->p2p)
		return 0;

	cmd.id_and_color = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id,
							   mvmvif->color));

	if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM)
		cmd.flags |= cpu_to_le16(POWER_FLAGS_POWER_SAVE_ENA_MSK);

#ifdef CONFIG_IWLWIFI_DEBUGFS
	if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_DISABLE_POWER_OFF &&
	    mvmvif->dbgfs_pm.disable_power_off)
		cmd.flags &= cpu_to_le16(~POWER_FLAGS_POWER_SAVE_ENA_MSK);
#endif
	iwl_mvm_power_log(mvm, &cmd);

	return iwl_mvm_send_cmd_pdu(mvm, MAC_PM_POWER_TABLE, CMD_ASYNC,
				    sizeof(cmd), &cmd);
}

#ifdef CONFIG_IWLWIFI_DEBUGFS
static int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm,
					struct ieee80211_vif *vif, char *buf,
					int bufsz)
{
	struct iwl_mac_power_cmd cmd = {};
	int pos = 0;

	iwl_mvm_power_build_cmd(mvm, vif, &cmd);

	pos += scnprintf(buf+pos, bufsz-pos, "disable_power_off = %d\n",
			 (cmd.flags &
			 cpu_to_le16(POWER_FLAGS_POWER_SAVE_ENA_MSK)) ?
			 0 : 1);
	pos += scnprintf(buf+pos, bufsz-pos, "power_scheme = %d\n",
			 iwlmvm_mod_params.power_scheme);
	pos += scnprintf(buf+pos, bufsz-pos, "flags = 0x%x\n",
			 le16_to_cpu(cmd.flags));
	pos += scnprintf(buf+pos, bufsz-pos, "keep_alive = %d\n",
			 le16_to_cpu(cmd.keep_alive_seconds));

	if (cmd.flags & cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK)) {
		pos += scnprintf(buf+pos, bufsz-pos, "skip_over_dtim = %d\n",
				 (cmd.flags &
				 cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK)) ?
				 1 : 0);
		pos += scnprintf(buf+pos, bufsz-pos, "skip_dtim_periods = %d\n",
				 cmd.skip_dtim_periods);
		if (!(cmd.flags &
		      cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK))) {
			pos += scnprintf(buf+pos, bufsz-pos,
					 "rx_data_timeout = %d\n",
					 le32_to_cpu(cmd.rx_data_timeout));
			pos += scnprintf(buf+pos, bufsz-pos,
					 "tx_data_timeout = %d\n",
					 le32_to_cpu(cmd.tx_data_timeout));
		}
		if (cmd.flags & cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK))
			pos += scnprintf(buf+pos, bufsz-pos,
					 "lprx_rssi_threshold = %d\n",
					 cmd.lprx_rssi_threshold);
		if (cmd.flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK)) {
			pos +=
			scnprintf(buf+pos, bufsz-pos,
				  "rx_data_timeout_uapsd = %d\n",
				  le32_to_cpu(cmd.rx_data_timeout_uapsd));
			pos +=
			scnprintf(buf+pos, bufsz-pos,
				  "tx_data_timeout_uapsd = %d\n",
				  le32_to_cpu(cmd.tx_data_timeout_uapsd));
			pos += scnprintf(buf+pos, bufsz-pos, "qndp_tid = %d\n",
					 cmd.qndp_tid);
			pos += scnprintf(buf+pos, bufsz-pos,
					 "uapsd_ac_flags = 0x%x\n",
					 cmd.uapsd_ac_flags);
			pos += scnprintf(buf+pos, bufsz-pos,
					 "uapsd_max_sp = %d\n",
					 cmd.uapsd_max_sp);
			pos += scnprintf(buf+pos, bufsz-pos,
					 "heavy_tx_thld_packets = %d\n",
					 cmd.heavy_tx_thld_packets);
			pos += scnprintf(buf+pos, bufsz-pos,
					 "heavy_rx_thld_packets = %d\n",
					 cmd.heavy_rx_thld_packets);
			pos += scnprintf(buf+pos, bufsz-pos,
					 "heavy_tx_thld_percentage = %d\n",
					 cmd.heavy_tx_thld_percentage);
			pos += scnprintf(buf+pos, bufsz-pos,
					 "heavy_rx_thld_percentage = %d\n",
					 cmd.heavy_rx_thld_percentage);
			pos +=
			scnprintf(buf+pos, bufsz-pos, "snooze_enable = %d\n",
				  (cmd.flags &
				   cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)) ?
				  1 : 0);
		}
		if (cmd.flags & cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)) {
			pos += scnprintf(buf+pos, bufsz-pos,
					 "snooze_interval = %d\n",
					 cmd.snooze_interval);
			pos += scnprintf(buf+pos, bufsz-pos,
					 "snooze_window = %d\n",
					 cmd.snooze_window);
		}
	}
	return pos;
}

void
iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
					 struct iwl_beacon_filter_cmd *cmd)
{
	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
	struct iwl_dbgfs_bf *dbgfs_bf = &mvmvif->dbgfs_bf;

	if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ENERGY_DELTA)
		cmd->bf_energy_delta = cpu_to_le32(dbgfs_bf->bf_energy_delta);
	if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA)
		cmd->bf_roaming_energy_delta =
				cpu_to_le32(dbgfs_bf->bf_roaming_energy_delta);
	if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ROAMING_STATE)
		cmd->bf_roaming_state = cpu_to_le32(dbgfs_bf->bf_roaming_state);
	if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_THRESHOLD)
		cmd->bf_temp_threshold =
				cpu_to_le32(dbgfs_bf->bf_temp_threshold);
	if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_FAST_FILTER)
		cmd->bf_temp_fast_filter =
				cpu_to_le32(dbgfs_bf->bf_temp_fast_filter);
	if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_SLOW_FILTER)
		cmd->bf_temp_slow_filter =
				cpu_to_le32(dbgfs_bf->bf_temp_slow_filter);
	if (dbgfs_bf->mask & MVM_DEBUGFS_BF_DEBUG_FLAG)
		cmd->bf_debug_flag = cpu_to_le32(dbgfs_bf->bf_debug_flag);
	if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ESCAPE_TIMER)
		cmd->bf_escape_timer = cpu_to_le32(dbgfs_bf->bf_escape_timer);
	if (dbgfs_bf->mask & MVM_DEBUGFS_BA_ESCAPE_TIMER)
		cmd->ba_escape_timer = cpu_to_le32(dbgfs_bf->ba_escape_timer);
	if (dbgfs_bf->mask & MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT)
		cmd->ba_enable_beacon_abort =
				cpu_to_le32(dbgfs_bf->ba_enable_beacon_abort);
}
#endif

int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
				 struct ieee80211_vif *vif)
{
	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
	struct iwl_beacon_filter_cmd cmd = {
		IWL_BF_CMD_CONFIG_DEFAULTS,
		.bf_enable_beacon_filter = cpu_to_le32(1),
	};
	int ret;

	if (mvmvif != mvm->bf_allowed_vif ||
	    vif->type != NL80211_IFTYPE_STATION || vif->p2p)
		return 0;

	iwl_mvm_beacon_filter_set_cqm_params(mvm, vif, &cmd);
	iwl_mvm_beacon_filter_debugfs_parameters(vif, &cmd);
	ret = iwl_mvm_beacon_filter_send_cmd(mvm, &cmd);

	if (!ret)
		mvmvif->bf_data.bf_enabled = true;

	return ret;
}

int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
				  struct ieee80211_vif *vif)
{
	struct iwl_beacon_filter_cmd cmd = {};
	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
	int ret;

	if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BF_UPDATED) ||
	    vif->type != NL80211_IFTYPE_STATION || vif->p2p)
		return 0;

	ret = iwl_mvm_beacon_filter_send_cmd(mvm, &cmd);

	if (!ret)
		mvmvif->bf_data.bf_enabled = false;

	return ret;
}

int iwl_mvm_update_beacon_filter(struct iwl_mvm *mvm,
				 struct ieee80211_vif *vif)
{
	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);

	if (!mvmvif->bf_data.bf_enabled)
		return 0;

	return iwl_mvm_enable_beacon_filter(mvm, vif);
}

const struct iwl_mvm_power_ops pm_mac_ops = {
	.power_update_mode = iwl_mvm_power_mac_update_mode,
	.power_disable = iwl_mvm_power_mac_disable,
#ifdef CONFIG_IWLWIFI_DEBUGFS
	.power_dbgfs_read = iwl_mvm_power_mac_dbgfs_read,
#endif
};
OpenPOWER on IntegriCloud