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 * Copyright(c) 2015        Intel Deutschland GmbH
11 *
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of version 2 of the GNU General Public License as
14 * published by the Free Software Foundation.
15 *
16 * This program is distributed in the hope that it will be useful, but
17 * WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
19 * General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
24 * USA
25 *
26 * The full GNU General Public License is included in this distribution
27 * in the file called COPYING.
28 *
29 * Contact Information:
30 *  Intel Linux Wireless <ilw@linux.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 - 2014 Intel Mobile Communications GmbH
37 * Copyright(c) 2015        Intel Deutschland GmbH
38 * All rights reserved.
39 *
40 * Redistribution and use in source and binary forms, with or without
41 * modification, are permitted provided that the following conditions
42 * are met:
43 *
44 *  * Redistributions of source code must retain the above copyright
45 *    notice, this list of conditions and the following disclaimer.
46 *  * Redistributions in binary form must reproduce the above copyright
47 *    notice, this list of conditions and the following disclaimer in
48 *    the documentation and/or other materials provided with the
49 *    distribution.
50 *  * Neither the name Intel Corporation nor the names of its
51 *    contributors may be used to endorse or promote products derived
52 *    from this software without specific prior written permission.
53 *
54 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
55 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
56 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
57 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
58 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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60 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
61 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
62 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
63 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
64 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
65 *
66 *****************************************************************************/
67
68#include <linux/kernel.h>
69#include <linux/module.h>
70#include <linux/slab.h>
71#include <linux/etherdevice.h>
72
73#include <net/mac80211.h>
74
75#include "iwl-debug.h"
76#include "mvm.h"
77#include "iwl-modparams.h"
78#include "fw-api-power.h"
79
80#define POWER_KEEP_ALIVE_PERIOD_SEC    25
81
82static
83int iwl_mvm_beacon_filter_send_cmd(struct iwl_mvm *mvm,
84				   struct iwl_beacon_filter_cmd *cmd,
85				   u32 flags)
86{
87	IWL_DEBUG_POWER(mvm, "ba_enable_beacon_abort is: %d\n",
88			le32_to_cpu(cmd->ba_enable_beacon_abort));
89	IWL_DEBUG_POWER(mvm, "ba_escape_timer is: %d\n",
90			le32_to_cpu(cmd->ba_escape_timer));
91	IWL_DEBUG_POWER(mvm, "bf_debug_flag is: %d\n",
92			le32_to_cpu(cmd->bf_debug_flag));
93	IWL_DEBUG_POWER(mvm, "bf_enable_beacon_filter is: %d\n",
94			le32_to_cpu(cmd->bf_enable_beacon_filter));
95	IWL_DEBUG_POWER(mvm, "bf_energy_delta is: %d\n",
96			le32_to_cpu(cmd->bf_energy_delta));
97	IWL_DEBUG_POWER(mvm, "bf_escape_timer is: %d\n",
98			le32_to_cpu(cmd->bf_escape_timer));
99	IWL_DEBUG_POWER(mvm, "bf_roaming_energy_delta is: %d\n",
100			le32_to_cpu(cmd->bf_roaming_energy_delta));
101	IWL_DEBUG_POWER(mvm, "bf_roaming_state is: %d\n",
102			le32_to_cpu(cmd->bf_roaming_state));
103	IWL_DEBUG_POWER(mvm, "bf_temp_threshold is: %d\n",
104			le32_to_cpu(cmd->bf_temp_threshold));
105	IWL_DEBUG_POWER(mvm, "bf_temp_fast_filter is: %d\n",
106			le32_to_cpu(cmd->bf_temp_fast_filter));
107	IWL_DEBUG_POWER(mvm, "bf_temp_slow_filter is: %d\n",
108			le32_to_cpu(cmd->bf_temp_slow_filter));
109
110	return iwl_mvm_send_cmd_pdu(mvm, REPLY_BEACON_FILTERING_CMD, flags,
111				    sizeof(struct iwl_beacon_filter_cmd), cmd);
112}
113
114static
115void iwl_mvm_beacon_filter_set_cqm_params(struct iwl_mvm *mvm,
116					  struct ieee80211_vif *vif,
117					  struct iwl_beacon_filter_cmd *cmd,
118					  bool d0i3)
119{
120	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
121
122	if (vif->bss_conf.cqm_rssi_thold && !d0i3) {
123		cmd->bf_energy_delta =
124			cpu_to_le32(vif->bss_conf.cqm_rssi_hyst);
125		/* fw uses an absolute value for this */
126		cmd->bf_roaming_state =
127			cpu_to_le32(-vif->bss_conf.cqm_rssi_thold);
128	}
129	cmd->ba_enable_beacon_abort = cpu_to_le32(mvmvif->bf_data.ba_enabled);
130}
131
132static void iwl_mvm_power_log(struct iwl_mvm *mvm,
133			      struct iwl_mac_power_cmd *cmd)
134{
135	IWL_DEBUG_POWER(mvm,
136			"Sending power table command on mac id 0x%X for power level %d, flags = 0x%X\n",
137			cmd->id_and_color, iwlmvm_mod_params.power_scheme,
138			le16_to_cpu(cmd->flags));
139	IWL_DEBUG_POWER(mvm, "Keep alive = %u sec\n",
140			le16_to_cpu(cmd->keep_alive_seconds));
141
142	if (!(cmd->flags & cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK))) {
143		IWL_DEBUG_POWER(mvm, "Disable power management\n");
144		return;
145	}
146
147	IWL_DEBUG_POWER(mvm, "Rx timeout = %u usec\n",
148			le32_to_cpu(cmd->rx_data_timeout));
149	IWL_DEBUG_POWER(mvm, "Tx timeout = %u usec\n",
150			le32_to_cpu(cmd->tx_data_timeout));
151	if (cmd->flags & cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK))
152		IWL_DEBUG_POWER(mvm, "DTIM periods to skip = %u\n",
153				cmd->skip_dtim_periods);
154	if (cmd->flags & cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK))
155		IWL_DEBUG_POWER(mvm, "LP RX RSSI threshold = %u\n",
156				cmd->lprx_rssi_threshold);
157	if (cmd->flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK)) {
158		IWL_DEBUG_POWER(mvm, "uAPSD enabled\n");
159		IWL_DEBUG_POWER(mvm, "Rx timeout (uAPSD) = %u usec\n",
160				le32_to_cpu(cmd->rx_data_timeout_uapsd));
161		IWL_DEBUG_POWER(mvm, "Tx timeout (uAPSD) = %u usec\n",
162				le32_to_cpu(cmd->tx_data_timeout_uapsd));
163		IWL_DEBUG_POWER(mvm, "QNDP TID = %d\n", cmd->qndp_tid);
164		IWL_DEBUG_POWER(mvm, "ACs flags = 0x%x\n", cmd->uapsd_ac_flags);
165		IWL_DEBUG_POWER(mvm, "Max SP = %d\n", cmd->uapsd_max_sp);
166	}
167}
168
169static void iwl_mvm_power_configure_uapsd(struct iwl_mvm *mvm,
170					  struct ieee80211_vif *vif,
171					  struct iwl_mac_power_cmd *cmd)
172{
173	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
174	enum ieee80211_ac_numbers ac;
175	bool tid_found = false;
176
177	for (ac = IEEE80211_AC_VO; ac <= IEEE80211_AC_BK; ac++) {
178		if (!mvmvif->queue_params[ac].uapsd)
179			continue;
180
181		if (mvm->cur_ucode != IWL_UCODE_WOWLAN)
182			cmd->flags |=
183				cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK);
184
185		cmd->uapsd_ac_flags |= BIT(ac);
186
187		/* QNDP TID - the highest TID with no admission control */
188		if (!tid_found && !mvmvif->queue_params[ac].acm) {
189			tid_found = true;
190			switch (ac) {
191			case IEEE80211_AC_VO:
192				cmd->qndp_tid = 6;
193				break;
194			case IEEE80211_AC_VI:
195				cmd->qndp_tid = 5;
196				break;
197			case IEEE80211_AC_BE:
198				cmd->qndp_tid = 0;
199				break;
200			case IEEE80211_AC_BK:
201				cmd->qndp_tid = 1;
202				break;
203			}
204		}
205	}
206
207	if (!(cmd->flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK))) {
208#ifdef CONFIG_IWLWIFI_DEBUGFS
209		/* set advanced pm flag with no uapsd ACs to enable ps-poll */
210		if (mvmvif->dbgfs_pm.use_ps_poll)
211			cmd->flags |=
212				cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK);
213#endif
214		return;
215	}
216
217	cmd->flags |= cpu_to_le16(POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK);
218
219	if (cmd->uapsd_ac_flags == (BIT(IEEE80211_AC_VO) |
220				    BIT(IEEE80211_AC_VI) |
221				    BIT(IEEE80211_AC_BE) |
222				    BIT(IEEE80211_AC_BK))) {
223		cmd->flags |= cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK);
224		cmd->snooze_interval = cpu_to_le16(IWL_MVM_PS_SNOOZE_INTERVAL);
225		cmd->snooze_window = (mvm->cur_ucode == IWL_UCODE_WOWLAN) ?
226			cpu_to_le16(IWL_MVM_WOWLAN_PS_SNOOZE_WINDOW) :
227			cpu_to_le16(IWL_MVM_PS_SNOOZE_WINDOW);
228	}
229
230	cmd->uapsd_max_sp = IWL_UAPSD_MAX_SP;
231
232	if (mvm->cur_ucode == IWL_UCODE_WOWLAN || cmd->flags &
233	    cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)) {
234		cmd->rx_data_timeout_uapsd =
235			cpu_to_le32(IWL_MVM_WOWLAN_PS_RX_DATA_TIMEOUT);
236		cmd->tx_data_timeout_uapsd =
237			cpu_to_le32(IWL_MVM_WOWLAN_PS_TX_DATA_TIMEOUT);
238	} else {
239		cmd->rx_data_timeout_uapsd =
240			cpu_to_le32(IWL_MVM_UAPSD_RX_DATA_TIMEOUT);
241		cmd->tx_data_timeout_uapsd =
242			cpu_to_le32(IWL_MVM_UAPSD_TX_DATA_TIMEOUT);
243	}
244
245	if (cmd->flags & cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)) {
246		cmd->heavy_tx_thld_packets =
247			IWL_MVM_PS_SNOOZE_HEAVY_TX_THLD_PACKETS;
248		cmd->heavy_rx_thld_packets =
249			IWL_MVM_PS_SNOOZE_HEAVY_RX_THLD_PACKETS;
250	} else {
251		cmd->heavy_tx_thld_packets =
252			IWL_MVM_PS_HEAVY_TX_THLD_PACKETS;
253		cmd->heavy_rx_thld_packets =
254			IWL_MVM_PS_HEAVY_RX_THLD_PACKETS;
255	}
256	cmd->heavy_tx_thld_percentage =
257		IWL_MVM_PS_HEAVY_TX_THLD_PERCENT;
258	cmd->heavy_rx_thld_percentage =
259		IWL_MVM_PS_HEAVY_RX_THLD_PERCENT;
260}
261
262static bool iwl_mvm_power_allow_uapsd(struct iwl_mvm *mvm,
263				       struct ieee80211_vif *vif)
264{
265	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
266
267	if (!memcmp(mvmvif->uapsd_misbehaving_bssid, vif->bss_conf.bssid,
268		    ETH_ALEN))
269		return false;
270
271	if (vif->p2p &&
272	    !(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_P2P_PS_UAPSD))
273		return false;
274	/*
275	 * Avoid using uAPSD if P2P client is associated to GO that uses
276	 * opportunistic power save. This is due to current FW limitation.
277	 */
278	if (vif->p2p &&
279	    (vif->bss_conf.p2p_noa_attr.oppps_ctwindow &
280	    IEEE80211_P2P_OPPPS_ENABLE_BIT))
281		return false;
282
283	/*
284	 * Avoid using uAPSD if client is in DCM -
285	 * low latency issue in Miracast
286	 */
287	if (iwl_mvm_phy_ctx_count(mvm) >= 2)
288		return false;
289
290	return true;
291}
292
293static bool iwl_mvm_power_is_radar(struct ieee80211_vif *vif)
294{
295	struct ieee80211_chanctx_conf *chanctx_conf;
296	struct ieee80211_channel *chan;
297	bool radar_detect = false;
298
299	rcu_read_lock();
300	chanctx_conf = rcu_dereference(vif->chanctx_conf);
301	WARN_ON(!chanctx_conf);
302	if (chanctx_conf) {
303		chan = chanctx_conf->def.chan;
304		radar_detect = chan->flags & IEEE80211_CHAN_RADAR;
305	}
306	rcu_read_unlock();
307
308	return radar_detect;
309}
310
311static void iwl_mvm_power_config_skip_dtim(struct iwl_mvm *mvm,
312					   struct ieee80211_vif *vif,
313					   struct iwl_mac_power_cmd *cmd,
314					   bool host_awake)
315{
316	int dtimper = vif->bss_conf.dtim_period ?: 1;
317	int skip;
318
319	/* disable, in case we're supposed to override */
320	cmd->skip_dtim_periods = 0;
321	cmd->flags &= ~cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK);
322
323	if (iwl_mvm_power_is_radar(vif))
324		return;
325
326	if (dtimper >= 10)
327		return;
328
329	/* TODO: check that multicast wake lock is off */
330
331	if (host_awake) {
332		if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_LP)
333			return;
334		skip = 2;
335	} else {
336		int dtimper_tu = dtimper * vif->bss_conf.beacon_int;
337
338		if (WARN_ON(!dtimper_tu))
339			return;
340		/* configure skip over dtim up to 306TU - 314 msec */
341		skip = max_t(u8, 1, 306 / dtimper_tu);
342	}
343
344	/* the firmware really expects "look at every X DTIMs", so add 1 */
345	cmd->skip_dtim_periods = 1 + skip;
346	cmd->flags |= cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK);
347}
348
349static void iwl_mvm_power_build_cmd(struct iwl_mvm *mvm,
350				    struct ieee80211_vif *vif,
351				    struct iwl_mac_power_cmd *cmd,
352				    bool host_awake)
353{
354	int dtimper, bi;
355	int keep_alive;
356	struct iwl_mvm_vif *mvmvif __maybe_unused =
357		iwl_mvm_vif_from_mac80211(vif);
358
359	cmd->id_and_color = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id,
360							    mvmvif->color));
361	dtimper = vif->bss_conf.dtim_period;
362	bi = vif->bss_conf.beacon_int;
363
364	/*
365	 * Regardless of power management state the driver must set
366	 * keep alive period. FW will use it for sending keep alive NDPs
367	 * immediately after association. Check that keep alive period
368	 * is at least 3 * DTIM
369	 */
370	keep_alive = DIV_ROUND_UP(ieee80211_tu_to_usec(3 * dtimper * bi),
371				  USEC_PER_SEC);
372	keep_alive = max(keep_alive, POWER_KEEP_ALIVE_PERIOD_SEC);
373	cmd->keep_alive_seconds = cpu_to_le16(keep_alive);
374
375	if (mvm->ps_disabled)
376		return;
377
378	cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_SAVE_ENA_MSK);
379
380	if (!vif->bss_conf.ps || !mvmvif->pm_enabled)
381		return;
382
383	if (iwl_mvm_vif_low_latency(mvmvif) && vif->p2p &&
384	    (!fw_has_capa(&mvm->fw->ucode_capa,
385			 IWL_UCODE_TLV_CAPA_SHORT_PM_TIMEOUTS) ||
386	     !IWL_MVM_P2P_LOWLATENCY_PS_ENABLE))
387		return;
388
389	cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK);
390
391	if (vif->bss_conf.beacon_rate &&
392	    (vif->bss_conf.beacon_rate->bitrate == 10 ||
393	     vif->bss_conf.beacon_rate->bitrate == 60)) {
394		cmd->flags |= cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK);
395		cmd->lprx_rssi_threshold = POWER_LPRX_RSSI_THRESHOLD;
396	}
397
398	iwl_mvm_power_config_skip_dtim(mvm, vif, cmd, host_awake);
399
400	if (!host_awake) {
401		cmd->rx_data_timeout =
402			cpu_to_le32(IWL_MVM_WOWLAN_PS_RX_DATA_TIMEOUT);
403		cmd->tx_data_timeout =
404			cpu_to_le32(IWL_MVM_WOWLAN_PS_TX_DATA_TIMEOUT);
405	} else if (iwl_mvm_vif_low_latency(mvmvif) && vif->p2p &&
406		   fw_has_capa(&mvm->fw->ucode_capa,
407			       IWL_UCODE_TLV_CAPA_SHORT_PM_TIMEOUTS)) {
408		cmd->tx_data_timeout =
409			cpu_to_le32(IWL_MVM_SHORT_PS_TX_DATA_TIMEOUT);
410		cmd->rx_data_timeout =
411			cpu_to_le32(IWL_MVM_SHORT_PS_RX_DATA_TIMEOUT);
412	} else {
413		cmd->rx_data_timeout =
414			cpu_to_le32(IWL_MVM_DEFAULT_PS_RX_DATA_TIMEOUT);
415		cmd->tx_data_timeout =
416			cpu_to_le32(IWL_MVM_DEFAULT_PS_TX_DATA_TIMEOUT);
417	}
418
419	if (iwl_mvm_power_allow_uapsd(mvm, vif))
420		iwl_mvm_power_configure_uapsd(mvm, vif, cmd);
421
422#ifdef CONFIG_IWLWIFI_DEBUGFS
423	if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_KEEP_ALIVE)
424		cmd->keep_alive_seconds =
425			cpu_to_le16(mvmvif->dbgfs_pm.keep_alive_seconds);
426	if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SKIP_OVER_DTIM) {
427		if (mvmvif->dbgfs_pm.skip_over_dtim)
428			cmd->flags |=
429				cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK);
430		else
431			cmd->flags &=
432				cpu_to_le16(~POWER_FLAGS_SKIP_OVER_DTIM_MSK);
433	}
434	if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_RX_DATA_TIMEOUT)
435		cmd->rx_data_timeout =
436			cpu_to_le32(mvmvif->dbgfs_pm.rx_data_timeout);
437	if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_TX_DATA_TIMEOUT)
438		cmd->tx_data_timeout =
439			cpu_to_le32(mvmvif->dbgfs_pm.tx_data_timeout);
440	if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS)
441		cmd->skip_dtim_periods = mvmvif->dbgfs_pm.skip_dtim_periods;
442	if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_LPRX_ENA) {
443		if (mvmvif->dbgfs_pm.lprx_ena)
444			cmd->flags |= cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK);
445		else
446			cmd->flags &= cpu_to_le16(~POWER_FLAGS_LPRX_ENA_MSK);
447	}
448	if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD)
449		cmd->lprx_rssi_threshold = mvmvif->dbgfs_pm.lprx_rssi_threshold;
450	if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SNOOZE_ENABLE) {
451		if (mvmvif->dbgfs_pm.snooze_ena)
452			cmd->flags |=
453				cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK);
454		else
455			cmd->flags &=
456				cpu_to_le16(~POWER_FLAGS_SNOOZE_ENA_MSK);
457	}
458	if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_UAPSD_MISBEHAVING) {
459		u16 flag = POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK;
460		if (mvmvif->dbgfs_pm.uapsd_misbehaving)
461			cmd->flags |= cpu_to_le16(flag);
462		else
463			cmd->flags &= cpu_to_le16(flag);
464	}
465#endif /* CONFIG_IWLWIFI_DEBUGFS */
466}
467
468static int iwl_mvm_power_send_cmd(struct iwl_mvm *mvm,
469					 struct ieee80211_vif *vif)
470{
471	struct iwl_mac_power_cmd cmd = {};
472
473	iwl_mvm_power_build_cmd(mvm, vif, &cmd,
474				mvm->cur_ucode != IWL_UCODE_WOWLAN);
475	iwl_mvm_power_log(mvm, &cmd);
476#ifdef CONFIG_IWLWIFI_DEBUGFS
477	memcpy(&iwl_mvm_vif_from_mac80211(vif)->mac_pwr_cmd, &cmd, sizeof(cmd));
478#endif
479
480	return iwl_mvm_send_cmd_pdu(mvm, MAC_PM_POWER_TABLE, 0,
481				    sizeof(cmd), &cmd);
482}
483
484int iwl_mvm_power_update_device(struct iwl_mvm *mvm)
485{
486	struct iwl_device_power_cmd cmd = {
487		.flags = 0,
488	};
489
490	if (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM)
491		mvm->ps_disabled = true;
492
493	if (!mvm->ps_disabled)
494		cmd.flags |= cpu_to_le16(DEVICE_POWER_FLAGS_POWER_SAVE_ENA_MSK);
495
496#ifdef CONFIG_IWLWIFI_DEBUGFS
497	if ((mvm->cur_ucode == IWL_UCODE_WOWLAN) ? mvm->disable_power_off_d3 :
498	    mvm->disable_power_off)
499		cmd.flags &=
500			cpu_to_le16(~DEVICE_POWER_FLAGS_POWER_SAVE_ENA_MSK);
501#endif
502	IWL_DEBUG_POWER(mvm,
503			"Sending device power command with flags = 0x%X\n",
504			cmd.flags);
505
506	return iwl_mvm_send_cmd_pdu(mvm, POWER_TABLE_CMD, 0, sizeof(cmd),
507				    &cmd);
508}
509
510void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
511{
512	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
513
514	if (memcmp(vif->bss_conf.bssid, mvmvif->uapsd_misbehaving_bssid,
515		   ETH_ALEN))
516		eth_zero_addr(mvmvif->uapsd_misbehaving_bssid);
517}
518
519static void iwl_mvm_power_uapsd_misbehav_ap_iterator(void *_data, u8 *mac,
520						     struct ieee80211_vif *vif)
521{
522	u8 *ap_sta_id = _data;
523	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
524
525	/* The ap_sta_id is not expected to change during current association
526	 * so no explicit protection is needed
527	 */
528	if (mvmvif->ap_sta_id == *ap_sta_id)
529		memcpy(mvmvif->uapsd_misbehaving_bssid, vif->bss_conf.bssid,
530		       ETH_ALEN);
531}
532
533void iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm,
534					      struct iwl_rx_cmd_buffer *rxb)
535{
536	struct iwl_rx_packet *pkt = rxb_addr(rxb);
537	struct iwl_uapsd_misbehaving_ap_notif *notif = (void *)pkt->data;
538	u8 ap_sta_id = le32_to_cpu(notif->sta_id);
539
540	ieee80211_iterate_active_interfaces_atomic(
541		mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
542		iwl_mvm_power_uapsd_misbehav_ap_iterator, &ap_sta_id);
543}
544
545struct iwl_power_vifs {
546	struct iwl_mvm *mvm;
547	struct ieee80211_vif *bf_vif;
548	struct ieee80211_vif *bss_vif;
549	struct ieee80211_vif *p2p_vif;
550	struct ieee80211_vif *ap_vif;
551	struct ieee80211_vif *monitor_vif;
552	bool p2p_active;
553	bool bss_active;
554	bool ap_active;
555	bool monitor_active;
556};
557
558static void iwl_mvm_power_disable_pm_iterator(void *_data, u8* mac,
559					      struct ieee80211_vif *vif)
560{
561	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
562
563	mvmvif->pm_enabled = false;
564}
565
566static void iwl_mvm_power_ps_disabled_iterator(void *_data, u8* mac,
567					       struct ieee80211_vif *vif)
568{
569	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
570	bool *disable_ps = _data;
571
572	if (mvmvif->phy_ctxt)
573		if (mvmvif->phy_ctxt->id < MAX_PHYS)
574			*disable_ps |= mvmvif->ps_disabled;
575}
576
577static void iwl_mvm_power_get_vifs_iterator(void *_data, u8 *mac,
578					    struct ieee80211_vif *vif)
579{
580	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
581	struct iwl_power_vifs *power_iterator = _data;
582
583	switch (ieee80211_vif_type_p2p(vif)) {
584	case NL80211_IFTYPE_P2P_DEVICE:
585		break;
586
587	case NL80211_IFTYPE_P2P_GO:
588	case NL80211_IFTYPE_AP:
589		/* only a single MAC of the same type */
590		WARN_ON(power_iterator->ap_vif);
591		power_iterator->ap_vif = vif;
592		if (mvmvif->phy_ctxt)
593			if (mvmvif->phy_ctxt->id < MAX_PHYS)
594				power_iterator->ap_active = true;
595		break;
596
597	case NL80211_IFTYPE_MONITOR:
598		/* only a single MAC of the same type */
599		WARN_ON(power_iterator->monitor_vif);
600		power_iterator->monitor_vif = vif;
601		if (mvmvif->phy_ctxt)
602			if (mvmvif->phy_ctxt->id < MAX_PHYS)
603				power_iterator->monitor_active = true;
604		break;
605
606	case NL80211_IFTYPE_P2P_CLIENT:
607		/* only a single MAC of the same type */
608		WARN_ON(power_iterator->p2p_vif);
609		power_iterator->p2p_vif = vif;
610		if (mvmvif->phy_ctxt)
611			if (mvmvif->phy_ctxt->id < MAX_PHYS)
612				power_iterator->p2p_active = true;
613		break;
614
615	case NL80211_IFTYPE_STATION:
616		/* only a single MAC of the same type */
617		WARN_ON(power_iterator->bss_vif);
618		power_iterator->bss_vif = vif;
619		if (mvmvif->phy_ctxt)
620			if (mvmvif->phy_ctxt->id < MAX_PHYS)
621				power_iterator->bss_active = true;
622
623		if (mvmvif->bf_data.bf_enabled &&
624		    !WARN_ON(power_iterator->bf_vif))
625			power_iterator->bf_vif = vif;
626
627		break;
628
629	default:
630		break;
631	}
632}
633
634static void iwl_mvm_power_set_pm(struct iwl_mvm *mvm,
635				 struct iwl_power_vifs *vifs)
636{
637	struct iwl_mvm_vif *bss_mvmvif = NULL;
638	struct iwl_mvm_vif *p2p_mvmvif = NULL;
639	struct iwl_mvm_vif *ap_mvmvif = NULL;
640	bool client_same_channel = false;
641	bool ap_same_channel = false;
642
643	lockdep_assert_held(&mvm->mutex);
644
645	/* set pm_enable to false */
646	ieee80211_iterate_active_interfaces_atomic(mvm->hw,
647					IEEE80211_IFACE_ITER_NORMAL,
648					iwl_mvm_power_disable_pm_iterator,
649					NULL);
650
651	if (vifs->bss_vif)
652		bss_mvmvif = iwl_mvm_vif_from_mac80211(vifs->bss_vif);
653
654	if (vifs->p2p_vif)
655		p2p_mvmvif = iwl_mvm_vif_from_mac80211(vifs->p2p_vif);
656
657	if (vifs->ap_vif)
658		ap_mvmvif = iwl_mvm_vif_from_mac80211(vifs->ap_vif);
659
660	/* don't allow PM if any TDLS stations exist */
661	if (iwl_mvm_tdls_sta_count(mvm, NULL))
662		return;
663
664	/* enable PM on bss if bss stand alone */
665	if (vifs->bss_active && !vifs->p2p_active && !vifs->ap_active) {
666		bss_mvmvif->pm_enabled = true;
667		return;
668	}
669
670	/* enable PM on p2p if p2p stand alone */
671	if (vifs->p2p_active && !vifs->bss_active && !vifs->ap_active) {
672		if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_P2P_PM)
673			p2p_mvmvif->pm_enabled = true;
674		return;
675	}
676
677	if (vifs->bss_active && vifs->p2p_active)
678		client_same_channel = (bss_mvmvif->phy_ctxt->id ==
679				       p2p_mvmvif->phy_ctxt->id);
680	if (vifs->bss_active && vifs->ap_active)
681		ap_same_channel = (bss_mvmvif->phy_ctxt->id ==
682				   ap_mvmvif->phy_ctxt->id);
683
684	/* clients are not stand alone: enable PM if DCM */
685	if (!(client_same_channel || ap_same_channel) &&
686	    (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BSS_P2P_PS_DCM)) {
687		if (vifs->bss_active)
688			bss_mvmvif->pm_enabled = true;
689		if (vifs->p2p_active &&
690		    (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_P2P_PM))
691			p2p_mvmvif->pm_enabled = true;
692		return;
693	}
694
695	/*
696	 * There is only one channel in the system and there are only
697	 * bss and p2p clients that share it
698	 */
699	if (client_same_channel && !vifs->ap_active &&
700	    (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BSS_P2P_PS_SCM)) {
701		/* share same channel*/
702		bss_mvmvif->pm_enabled = true;
703		if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_P2P_PM)
704			p2p_mvmvif->pm_enabled = true;
705	}
706}
707
708#ifdef CONFIG_IWLWIFI_DEBUGFS
709int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm,
710				 struct ieee80211_vif *vif, char *buf,
711				 int bufsz)
712{
713	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
714	struct iwl_mac_power_cmd cmd = {};
715	int pos = 0;
716
717	mutex_lock(&mvm->mutex);
718	memcpy(&cmd, &mvmvif->mac_pwr_cmd, sizeof(cmd));
719	mutex_unlock(&mvm->mutex);
720
721	pos += scnprintf(buf+pos, bufsz-pos, "power_scheme = %d\n",
722			 iwlmvm_mod_params.power_scheme);
723	pos += scnprintf(buf+pos, bufsz-pos, "flags = 0x%x\n",
724			 le16_to_cpu(cmd.flags));
725	pos += scnprintf(buf+pos, bufsz-pos, "keep_alive = %d\n",
726			 le16_to_cpu(cmd.keep_alive_seconds));
727
728	if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK)))
729		return pos;
730
731	pos += scnprintf(buf+pos, bufsz-pos, "skip_over_dtim = %d\n",
732			 (cmd.flags &
733			 cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK)) ? 1 : 0);
734	pos += scnprintf(buf+pos, bufsz-pos, "skip_dtim_periods = %d\n",
735			 cmd.skip_dtim_periods);
736	if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK))) {
737		pos += scnprintf(buf+pos, bufsz-pos, "rx_data_timeout = %d\n",
738				 le32_to_cpu(cmd.rx_data_timeout));
739		pos += scnprintf(buf+pos, bufsz-pos, "tx_data_timeout = %d\n",
740				 le32_to_cpu(cmd.tx_data_timeout));
741	}
742	if (cmd.flags & cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK))
743		pos += scnprintf(buf+pos, bufsz-pos,
744				 "lprx_rssi_threshold = %d\n",
745				 cmd.lprx_rssi_threshold);
746
747	if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK)))
748		return pos;
749
750	pos += scnprintf(buf+pos, bufsz-pos, "rx_data_timeout_uapsd = %d\n",
751			 le32_to_cpu(cmd.rx_data_timeout_uapsd));
752	pos += scnprintf(buf+pos, bufsz-pos, "tx_data_timeout_uapsd = %d\n",
753			 le32_to_cpu(cmd.tx_data_timeout_uapsd));
754	pos += scnprintf(buf+pos, bufsz-pos, "qndp_tid = %d\n", cmd.qndp_tid);
755	pos += scnprintf(buf+pos, bufsz-pos, "uapsd_ac_flags = 0x%x\n",
756			 cmd.uapsd_ac_flags);
757	pos += scnprintf(buf+pos, bufsz-pos, "uapsd_max_sp = %d\n",
758			 cmd.uapsd_max_sp);
759	pos += scnprintf(buf+pos, bufsz-pos, "heavy_tx_thld_packets = %d\n",
760			 cmd.heavy_tx_thld_packets);
761	pos += scnprintf(buf+pos, bufsz-pos, "heavy_rx_thld_packets = %d\n",
762			 cmd.heavy_rx_thld_packets);
763	pos += scnprintf(buf+pos, bufsz-pos, "heavy_tx_thld_percentage = %d\n",
764			 cmd.heavy_tx_thld_percentage);
765	pos += scnprintf(buf+pos, bufsz-pos, "heavy_rx_thld_percentage = %d\n",
766			 cmd.heavy_rx_thld_percentage);
767	pos += scnprintf(buf+pos, bufsz-pos, "uapsd_misbehaving_enable = %d\n",
768			 (cmd.flags &
769			  cpu_to_le16(POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK)) ?
770			 1 : 0);
771
772	if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)))
773		return pos;
774
775	pos += scnprintf(buf+pos, bufsz-pos, "snooze_interval = %d\n",
776			 cmd.snooze_interval);
777	pos += scnprintf(buf+pos, bufsz-pos, "snooze_window = %d\n",
778			 cmd.snooze_window);
779
780	return pos;
781}
782
783void
784iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
785					 struct iwl_beacon_filter_cmd *cmd)
786{
787	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
788	struct iwl_dbgfs_bf *dbgfs_bf = &mvmvif->dbgfs_bf;
789
790	if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ENERGY_DELTA)
791		cmd->bf_energy_delta = cpu_to_le32(dbgfs_bf->bf_energy_delta);
792	if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA)
793		cmd->bf_roaming_energy_delta =
794				cpu_to_le32(dbgfs_bf->bf_roaming_energy_delta);
795	if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ROAMING_STATE)
796		cmd->bf_roaming_state = cpu_to_le32(dbgfs_bf->bf_roaming_state);
797	if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_THRESHOLD)
798		cmd->bf_temp_threshold =
799				cpu_to_le32(dbgfs_bf->bf_temp_threshold);
800	if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_FAST_FILTER)
801		cmd->bf_temp_fast_filter =
802				cpu_to_le32(dbgfs_bf->bf_temp_fast_filter);
803	if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_SLOW_FILTER)
804		cmd->bf_temp_slow_filter =
805				cpu_to_le32(dbgfs_bf->bf_temp_slow_filter);
806	if (dbgfs_bf->mask & MVM_DEBUGFS_BF_DEBUG_FLAG)
807		cmd->bf_debug_flag = cpu_to_le32(dbgfs_bf->bf_debug_flag);
808	if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ESCAPE_TIMER)
809		cmd->bf_escape_timer = cpu_to_le32(dbgfs_bf->bf_escape_timer);
810	if (dbgfs_bf->mask & MVM_DEBUGFS_BA_ESCAPE_TIMER)
811		cmd->ba_escape_timer = cpu_to_le32(dbgfs_bf->ba_escape_timer);
812	if (dbgfs_bf->mask & MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT)
813		cmd->ba_enable_beacon_abort =
814				cpu_to_le32(dbgfs_bf->ba_enable_beacon_abort);
815}
816#endif
817
818static int _iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
819					 struct ieee80211_vif *vif,
820					 struct iwl_beacon_filter_cmd *cmd,
821					 u32 cmd_flags,
822					 bool d0i3)
823{
824	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
825	int ret;
826
827	if (mvmvif != mvm->bf_allowed_vif || !vif->bss_conf.dtim_period ||
828	    vif->type != NL80211_IFTYPE_STATION || vif->p2p)
829		return 0;
830
831	iwl_mvm_beacon_filter_set_cqm_params(mvm, vif, cmd, d0i3);
832	if (!d0i3)
833		iwl_mvm_beacon_filter_debugfs_parameters(vif, cmd);
834	ret = iwl_mvm_beacon_filter_send_cmd(mvm, cmd, cmd_flags);
835
836	/* don't change bf_enabled in case of temporary d0i3 configuration */
837	if (!ret && !d0i3)
838		mvmvif->bf_data.bf_enabled = true;
839
840	return ret;
841}
842
843int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
844				 struct ieee80211_vif *vif,
845				 u32 flags)
846{
847	struct iwl_beacon_filter_cmd cmd = {
848		IWL_BF_CMD_CONFIG_DEFAULTS,
849		.bf_enable_beacon_filter = cpu_to_le32(1),
850	};
851
852	return _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd, flags, false);
853}
854
855static int iwl_mvm_update_beacon_abort(struct iwl_mvm *mvm,
856				       struct ieee80211_vif *vif,
857				       bool enable)
858{
859	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
860	struct iwl_beacon_filter_cmd cmd = {
861		IWL_BF_CMD_CONFIG_DEFAULTS,
862		.bf_enable_beacon_filter = cpu_to_le32(1),
863	};
864
865	if (!mvmvif->bf_data.bf_enabled)
866		return 0;
867
868	if (mvm->cur_ucode == IWL_UCODE_WOWLAN)
869		cmd.ba_escape_timer = cpu_to_le32(IWL_BA_ESCAPE_TIMER_D3);
870
871	mvmvif->bf_data.ba_enabled = enable;
872	return _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd, 0, false);
873}
874
875int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
876				  struct ieee80211_vif *vif,
877				  u32 flags)
878{
879	struct iwl_beacon_filter_cmd cmd = {};
880	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
881	int ret;
882
883	if (vif->type != NL80211_IFTYPE_STATION || vif->p2p)
884		return 0;
885
886	ret = iwl_mvm_beacon_filter_send_cmd(mvm, &cmd, flags);
887
888	if (!ret)
889		mvmvif->bf_data.bf_enabled = false;
890
891	return ret;
892}
893
894static int iwl_mvm_power_set_ps(struct iwl_mvm *mvm)
895{
896	bool disable_ps;
897	int ret;
898
899	/* disable PS if CAM */
900	disable_ps = (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM);
901	/* ...or if any of the vifs require PS to be off */
902	ieee80211_iterate_active_interfaces_atomic(mvm->hw,
903					IEEE80211_IFACE_ITER_NORMAL,
904					iwl_mvm_power_ps_disabled_iterator,
905					&disable_ps);
906
907	/* update device power state if it has changed */
908	if (mvm->ps_disabled != disable_ps) {
909		bool old_ps_disabled = mvm->ps_disabled;
910
911		mvm->ps_disabled = disable_ps;
912		ret = iwl_mvm_power_update_device(mvm);
913		if (ret) {
914			mvm->ps_disabled = old_ps_disabled;
915			return ret;
916		}
917	}
918
919	return 0;
920}
921
922static int iwl_mvm_power_set_ba(struct iwl_mvm *mvm,
923				struct iwl_power_vifs *vifs)
924{
925	struct iwl_mvm_vif *mvmvif;
926	bool ba_enable;
927
928	if (!vifs->bf_vif)
929		return 0;
930
931	mvmvif = iwl_mvm_vif_from_mac80211(vifs->bf_vif);
932
933	ba_enable = !(!mvmvif->pm_enabled || mvm->ps_disabled ||
934		      !vifs->bf_vif->bss_conf.ps ||
935		      iwl_mvm_vif_low_latency(mvmvif));
936
937	return iwl_mvm_update_beacon_abort(mvm, vifs->bf_vif, ba_enable);
938}
939
940int iwl_mvm_power_update_ps(struct iwl_mvm *mvm)
941{
942	struct iwl_power_vifs vifs = {
943		.mvm = mvm,
944	};
945	int ret;
946
947	lockdep_assert_held(&mvm->mutex);
948
949	/* get vifs info */
950	ieee80211_iterate_active_interfaces_atomic(mvm->hw,
951					IEEE80211_IFACE_ITER_NORMAL,
952					iwl_mvm_power_get_vifs_iterator, &vifs);
953
954	ret = iwl_mvm_power_set_ps(mvm);
955	if (ret)
956		return ret;
957
958	return iwl_mvm_power_set_ba(mvm, &vifs);
959}
960
961int iwl_mvm_power_update_mac(struct iwl_mvm *mvm)
962{
963	struct iwl_power_vifs vifs = {
964		.mvm = mvm,
965	};
966	int ret;
967
968	lockdep_assert_held(&mvm->mutex);
969
970	/* get vifs info */
971	ieee80211_iterate_active_interfaces_atomic(mvm->hw,
972					IEEE80211_IFACE_ITER_NORMAL,
973					iwl_mvm_power_get_vifs_iterator, &vifs);
974
975	iwl_mvm_power_set_pm(mvm, &vifs);
976
977	ret = iwl_mvm_power_set_ps(mvm);
978	if (ret)
979		return ret;
980
981	if (vifs.bss_vif) {
982		ret = iwl_mvm_power_send_cmd(mvm, vifs.bss_vif);
983		if (ret)
984			return ret;
985	}
986
987	if (vifs.p2p_vif) {
988		ret = iwl_mvm_power_send_cmd(mvm, vifs.p2p_vif);
989		if (ret)
990			return ret;
991	}
992
993	return iwl_mvm_power_set_ba(mvm, &vifs);
994}
995
996int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm,
997				   struct ieee80211_vif *vif,
998				   bool enable, u32 flags)
999{
1000	int ret;
1001	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1002	struct iwl_mac_power_cmd cmd = {};
1003
1004	if (vif->type != NL80211_IFTYPE_STATION || vif->p2p)
1005		return 0;
1006
1007	if (!vif->bss_conf.assoc)
1008		return 0;
1009
1010	iwl_mvm_power_build_cmd(mvm, vif, &cmd, !enable);
1011
1012	iwl_mvm_power_log(mvm, &cmd);
1013#ifdef CONFIG_IWLWIFI_DEBUGFS
1014	memcpy(&mvmvif->mac_pwr_cmd, &cmd, sizeof(cmd));
1015#endif
1016	ret = iwl_mvm_send_cmd_pdu(mvm, MAC_PM_POWER_TABLE, flags,
1017				   sizeof(cmd), &cmd);
1018	if (ret)
1019		return ret;
1020
1021	/* configure beacon filtering */
1022	if (mvmvif != mvm->bf_allowed_vif)
1023		return 0;
1024
1025	if (enable) {
1026		struct iwl_beacon_filter_cmd cmd_bf = {
1027			IWL_BF_CMD_CONFIG_D0I3,
1028			.bf_enable_beacon_filter = cpu_to_le32(1),
1029		};
1030		ret = _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd_bf,
1031						    flags, true);
1032	} else {
1033		if (mvmvif->bf_data.bf_enabled)
1034			ret = iwl_mvm_enable_beacon_filter(mvm, vif, flags);
1035		else
1036			ret = iwl_mvm_disable_beacon_filter(mvm, vif, flags);
1037	}
1038
1039	return ret;
1040}
1041