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mm/zsmalloc: allocate exactly size of struct zs_pool
[linux/fpc-iii.git] / drivers / net / wireless / iwlwifi / mvm / power.c
blob2620dd0c45f9638c949fd34b7482533b13c33126
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 #include <linux/kernel.h>
67 #include <linux/module.h>
68 #include <linux/slab.h>
69
70 #include <net/mac80211.h>
71
72 #include "iwl-debug.h"
73 #include "mvm.h"
74 #include "iwl-modparams.h"
75 #include "fw-api-power.h"
76
77 #define POWER_KEEP_ALIVE_PERIOD_SEC 25
78
79 static
80 int iwl_mvm_beacon_filter_send_cmd(struct iwl_mvm *mvm,
81 struct iwl_beacon_filter_cmd *cmd,
82 u32 flags)
83 {
84 IWL_DEBUG_POWER(mvm, "ba_enable_beacon_abort is: %d\n",
85 le32_to_cpu(cmd->ba_enable_beacon_abort));
86 IWL_DEBUG_POWER(mvm, "ba_escape_timer is: %d\n",
87 le32_to_cpu(cmd->ba_escape_timer));
88 IWL_DEBUG_POWER(mvm, "bf_debug_flag is: %d\n",
89 le32_to_cpu(cmd->bf_debug_flag));
90 IWL_DEBUG_POWER(mvm, "bf_enable_beacon_filter is: %d\n",
91 le32_to_cpu(cmd->bf_enable_beacon_filter));
92 IWL_DEBUG_POWER(mvm, "bf_energy_delta is: %d\n",
93 le32_to_cpu(cmd->bf_energy_delta));
94 IWL_DEBUG_POWER(mvm, "bf_escape_timer is: %d\n",
95 le32_to_cpu(cmd->bf_escape_timer));
96 IWL_DEBUG_POWER(mvm, "bf_roaming_energy_delta is: %d\n",
97 le32_to_cpu(cmd->bf_roaming_energy_delta));
98 IWL_DEBUG_POWER(mvm, "bf_roaming_state is: %d\n",
99 le32_to_cpu(cmd->bf_roaming_state));
100 IWL_DEBUG_POWER(mvm, "bf_temp_threshold is: %d\n",
101 le32_to_cpu(cmd->bf_temp_threshold));
102 IWL_DEBUG_POWER(mvm, "bf_temp_fast_filter is: %d\n",
103 le32_to_cpu(cmd->bf_temp_fast_filter));
104 IWL_DEBUG_POWER(mvm, "bf_temp_slow_filter is: %d\n",
105 le32_to_cpu(cmd->bf_temp_slow_filter));
106
107 return iwl_mvm_send_cmd_pdu(mvm, REPLY_BEACON_FILTERING_CMD, flags,
108 sizeof(struct iwl_beacon_filter_cmd), cmd);
109 }
110
111 static
112 void iwl_mvm_beacon_filter_set_cqm_params(struct iwl_mvm *mvm,
113 struct ieee80211_vif *vif,
114 struct iwl_beacon_filter_cmd *cmd)
115 {
116 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
117
118 if (vif->bss_conf.cqm_rssi_thold) {
119 cmd->bf_energy_delta =
120 cpu_to_le32(vif->bss_conf.cqm_rssi_hyst);
121 /* fw uses an absolute value for this */
122 cmd->bf_roaming_state =
123 cpu_to_le32(-vif->bss_conf.cqm_rssi_thold);
124 }
125 cmd->ba_enable_beacon_abort = cpu_to_le32(mvmvif->bf_data.ba_enabled);
126 }
127
128 static void iwl_mvm_power_log(struct iwl_mvm *mvm,
129 struct iwl_mac_power_cmd *cmd)
130 {
131 IWL_DEBUG_POWER(mvm,
132 "Sending power table command on mac id 0x%X for power level %d, flags = 0x%X\n",
133 cmd->id_and_color, iwlmvm_mod_params.power_scheme,
134 le16_to_cpu(cmd->flags));
135 IWL_DEBUG_POWER(mvm, "Keep alive = %u sec\n",
136 le16_to_cpu(cmd->keep_alive_seconds));
137
138 if (!(cmd->flags & cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK))) {
139 IWL_DEBUG_POWER(mvm, "Disable power management\n");
140 return;
141 }
142
143 IWL_DEBUG_POWER(mvm, "Rx timeout = %u usec\n",
144 le32_to_cpu(cmd->rx_data_timeout));
145 IWL_DEBUG_POWER(mvm, "Tx timeout = %u usec\n",
146 le32_to_cpu(cmd->tx_data_timeout));
147 if (cmd->flags & cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK))
148 IWL_DEBUG_POWER(mvm, "DTIM periods to skip = %u\n",
149 cmd->skip_dtim_periods);
150 if (cmd->flags & cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK))
151 IWL_DEBUG_POWER(mvm, "LP RX RSSI threshold = %u\n",
152 cmd->lprx_rssi_threshold);
153 if (cmd->flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK)) {
154 IWL_DEBUG_POWER(mvm, "uAPSD enabled\n");
155 IWL_DEBUG_POWER(mvm, "Rx timeout (uAPSD) = %u usec\n",
156 le32_to_cpu(cmd->rx_data_timeout_uapsd));
157 IWL_DEBUG_POWER(mvm, "Tx timeout (uAPSD) = %u usec\n",
158 le32_to_cpu(cmd->tx_data_timeout_uapsd));
159 IWL_DEBUG_POWER(mvm, "QNDP TID = %d\n", cmd->qndp_tid);
160 IWL_DEBUG_POWER(mvm, "ACs flags = 0x%x\n", cmd->uapsd_ac_flags);
161 IWL_DEBUG_POWER(mvm, "Max SP = %d\n", cmd->uapsd_max_sp);
162 }
163 }
164
165 static void iwl_mvm_power_configure_uapsd(struct iwl_mvm *mvm,
166 struct ieee80211_vif *vif,
167 struct iwl_mac_power_cmd *cmd)
168 {
169 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
170 enum ieee80211_ac_numbers ac;
171 bool tid_found = false;
172
173 for (ac = IEEE80211_AC_VO; ac <= IEEE80211_AC_BK; ac++) {
174 if (!mvmvif->queue_params[ac].uapsd)
175 continue;
176
177 if (mvm->cur_ucode != IWL_UCODE_WOWLAN)
178 cmd->flags |=
179 cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK);
180
181 cmd->uapsd_ac_flags |= BIT(ac);
182
183 /* QNDP TID - the highest TID with no admission control */
184 if (!tid_found && !mvmvif->queue_params[ac].acm) {
185 tid_found = true;
186 switch (ac) {
187 case IEEE80211_AC_VO:
188 cmd->qndp_tid = 6;
189 break;
190 case IEEE80211_AC_VI:
191 cmd->qndp_tid = 5;
192 break;
193 case IEEE80211_AC_BE:
194 cmd->qndp_tid = 0;
195 break;
196 case IEEE80211_AC_BK:
197 cmd->qndp_tid = 1;
198 break;
199 }
200 }
201 }
202
203 if (!(cmd->flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK))) {
204 #ifdef CONFIG_IWLWIFI_DEBUGFS
205 /* set advanced pm flag with no uapsd ACs to enable ps-poll */
206 if (mvmvif->dbgfs_pm.use_ps_poll)
207 cmd->flags |=
208 cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK);
209 #endif
210 return;
211 }
212
213 cmd->flags |= cpu_to_le16(POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK);
214
215 if (cmd->uapsd_ac_flags == (BIT(IEEE80211_AC_VO) |
216 BIT(IEEE80211_AC_VI) |
217 BIT(IEEE80211_AC_BE) |
218 BIT(IEEE80211_AC_BK))) {
219 cmd->flags |= cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK);
220 cmd->snooze_interval = cpu_to_le16(IWL_MVM_PS_SNOOZE_INTERVAL);
221 cmd->snooze_window = (mvm->cur_ucode == IWL_UCODE_WOWLAN) ?
222 cpu_to_le16(IWL_MVM_WOWLAN_PS_SNOOZE_WINDOW) :
223 cpu_to_le16(IWL_MVM_PS_SNOOZE_WINDOW);
224 }
225
226 cmd->uapsd_max_sp = IWL_UAPSD_MAX_SP;
227
228 if (mvm->cur_ucode == IWL_UCODE_WOWLAN || cmd->flags &
229 cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)) {
230 cmd->rx_data_timeout_uapsd =
231 cpu_to_le32(IWL_MVM_WOWLAN_PS_RX_DATA_TIMEOUT);
232 cmd->tx_data_timeout_uapsd =
233 cpu_to_le32(IWL_MVM_WOWLAN_PS_TX_DATA_TIMEOUT);
234 } else {
235 cmd->rx_data_timeout_uapsd =
236 cpu_to_le32(IWL_MVM_UAPSD_RX_DATA_TIMEOUT);
237 cmd->tx_data_timeout_uapsd =
238 cpu_to_le32(IWL_MVM_UAPSD_TX_DATA_TIMEOUT);
239 }
240
241 if (cmd->flags & cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)) {
242 cmd->heavy_tx_thld_packets =
243 IWL_MVM_PS_SNOOZE_HEAVY_TX_THLD_PACKETS;
244 cmd->heavy_rx_thld_packets =
245 IWL_MVM_PS_SNOOZE_HEAVY_RX_THLD_PACKETS;
246 } else {
247 cmd->heavy_tx_thld_packets =
248 IWL_MVM_PS_HEAVY_TX_THLD_PACKETS;
249 cmd->heavy_rx_thld_packets =
250 IWL_MVM_PS_HEAVY_RX_THLD_PACKETS;
251 }
252 cmd->heavy_tx_thld_percentage =
253 IWL_MVM_PS_HEAVY_TX_THLD_PERCENT;
254 cmd->heavy_rx_thld_percentage =
255 IWL_MVM_PS_HEAVY_RX_THLD_PERCENT;
256 }
257
258 static bool iwl_mvm_power_allow_uapsd(struct iwl_mvm *mvm,
259 struct ieee80211_vif *vif)
260 {
261 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
262
263 if (!memcmp(mvmvif->uapsd_misbehaving_bssid, vif->bss_conf.bssid,
264 ETH_ALEN))
265 return false;
266
267 if (vif->p2p &&
268 !(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_P2P_PS_UAPSD))
269 return false;
270 /*
271 * Avoid using uAPSD if P2P client is associated to GO that uses
272 * opportunistic power save. This is due to current FW limitation.
273 */
274 if (vif->p2p &&
275 (vif->bss_conf.p2p_noa_attr.oppps_ctwindow &
276 IEEE80211_P2P_OPPPS_ENABLE_BIT))
277 return false;
278
279 /*
280 * Avoid using uAPSD if client is in DCM -
281 * low latency issue in Miracast
282 */
283 if (iwl_mvm_phy_ctx_count(mvm) >= 2)
284 return false;
285
286 return true;
287 }
288
289 static int iwl_mvm_power_get_skip_over_dtim(int dtimper, int bi)
290 {
291 int numerator;
292 int dtim_interval = dtimper * bi;
293
294 if (WARN_ON(!dtim_interval))
295 return 0;
296
297 if (dtimper == 1) {
298 if (bi > 100)
299 numerator = 408;
300 else
301 numerator = 510;
302 } else if (dtimper < 10) {
303 numerator = 612;
304 } else {
305 return 0;
306 }
307 return max(1, (numerator / dtim_interval));
308 }
309
310 static bool iwl_mvm_power_is_radar(struct ieee80211_vif *vif)
311 {
312 struct ieee80211_chanctx_conf *chanctx_conf;
313 struct ieee80211_channel *chan;
314 bool radar_detect = false;
315
316 rcu_read_lock();
317 chanctx_conf = rcu_dereference(vif->chanctx_conf);
318 WARN_ON(!chanctx_conf);
319 if (chanctx_conf) {
320 chan = chanctx_conf->def.chan;
321 radar_detect = chan->flags & IEEE80211_CHAN_RADAR;
322 }
323 rcu_read_unlock();
324
325 return radar_detect;
326 }
327
328 static void iwl_mvm_power_build_cmd(struct iwl_mvm *mvm,
329 struct ieee80211_vif *vif,
330 struct iwl_mac_power_cmd *cmd)
331 {
332 int dtimper, bi;
333 int keep_alive;
334 bool radar_detect = false;
335 struct iwl_mvm_vif *mvmvif __maybe_unused =
336 iwl_mvm_vif_from_mac80211(vif);
337
338 cmd->id_and_color = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id,
339 mvmvif->color));
340 dtimper = vif->bss_conf.dtim_period;
341 bi = vif->bss_conf.beacon_int;
342
343 /*
344 * Regardless of power management state the driver must set
345 * keep alive period. FW will use it for sending keep alive NDPs
346 * immediately after association. Check that keep alive period
347 * is at least 3 * DTIM
348 */
349 keep_alive = DIV_ROUND_UP(ieee80211_tu_to_usec(3 * dtimper * bi),
350 USEC_PER_SEC);
351 keep_alive = max(keep_alive, POWER_KEEP_ALIVE_PERIOD_SEC);
352 cmd->keep_alive_seconds = cpu_to_le16(keep_alive);
353
354 if (mvm->ps_disabled)
355 return;
356
357 cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_SAVE_ENA_MSK);
358
359 if (!vif->bss_conf.ps || iwl_mvm_vif_low_latency(mvmvif) ||
360 !mvmvif->pm_enabled || iwl_mvm_tdls_sta_count(mvm, vif))
361 return;
362
363 cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK);
364
365 if (vif->bss_conf.beacon_rate &&
366 (vif->bss_conf.beacon_rate->bitrate == 10 ||
367 vif->bss_conf.beacon_rate->bitrate == 60)) {
368 cmd->flags |= cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK);
369 cmd->lprx_rssi_threshold = POWER_LPRX_RSSI_THRESHOLD;
370 }
371
372 /* Check if radar detection is required on current channel */
373 radar_detect = iwl_mvm_power_is_radar(vif);
374
375 /* Check skip over DTIM conditions */
376 if (!radar_detect && (dtimper < 10) &&
377 (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_LP ||
378 mvm->cur_ucode == IWL_UCODE_WOWLAN)) {
379 cmd->skip_dtim_periods =
380 iwl_mvm_power_get_skip_over_dtim(dtimper, bi);
381 if (cmd->skip_dtim_periods)
382 cmd->flags |=
383 cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK);
384 }
385
386 if (mvm->cur_ucode != IWL_UCODE_WOWLAN) {
387 cmd->rx_data_timeout =
388 cpu_to_le32(IWL_MVM_DEFAULT_PS_RX_DATA_TIMEOUT);
389 cmd->tx_data_timeout =
390 cpu_to_le32(IWL_MVM_DEFAULT_PS_TX_DATA_TIMEOUT);
391 } else {
392 cmd->rx_data_timeout =
393 cpu_to_le32(IWL_MVM_WOWLAN_PS_RX_DATA_TIMEOUT);
394 cmd->tx_data_timeout =
395 cpu_to_le32(IWL_MVM_WOWLAN_PS_TX_DATA_TIMEOUT);
396 }
397
398 if (iwl_mvm_power_allow_uapsd(mvm, vif))
399 iwl_mvm_power_configure_uapsd(mvm, vif, cmd);
400
401 #ifdef CONFIG_IWLWIFI_DEBUGFS
402 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_KEEP_ALIVE)
403 cmd->keep_alive_seconds =
404 cpu_to_le16(mvmvif->dbgfs_pm.keep_alive_seconds);
405 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SKIP_OVER_DTIM) {
406 if (mvmvif->dbgfs_pm.skip_over_dtim)
407 cmd->flags |=
408 cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK);
409 else
410 cmd->flags &=
411 cpu_to_le16(~POWER_FLAGS_SKIP_OVER_DTIM_MSK);
412 }
413 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_RX_DATA_TIMEOUT)
414 cmd->rx_data_timeout =
415 cpu_to_le32(mvmvif->dbgfs_pm.rx_data_timeout);
416 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_TX_DATA_TIMEOUT)
417 cmd->tx_data_timeout =
418 cpu_to_le32(mvmvif->dbgfs_pm.tx_data_timeout);
419 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS)
420 cmd->skip_dtim_periods = mvmvif->dbgfs_pm.skip_dtim_periods;
421 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_LPRX_ENA) {
422 if (mvmvif->dbgfs_pm.lprx_ena)
423 cmd->flags |= cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK);
424 else
425 cmd->flags &= cpu_to_le16(~POWER_FLAGS_LPRX_ENA_MSK);
426 }
427 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD)
428 cmd->lprx_rssi_threshold = mvmvif->dbgfs_pm.lprx_rssi_threshold;
429 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SNOOZE_ENABLE) {
430 if (mvmvif->dbgfs_pm.snooze_ena)
431 cmd->flags |=
432 cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK);
433 else
434 cmd->flags &=
435 cpu_to_le16(~POWER_FLAGS_SNOOZE_ENA_MSK);
436 }
437 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_UAPSD_MISBEHAVING) {
438 u16 flag = POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK;
439 if (mvmvif->dbgfs_pm.uapsd_misbehaving)
440 cmd->flags |= cpu_to_le16(flag);
441 else
442 cmd->flags &= cpu_to_le16(flag);
443 }
444 #endif /* CONFIG_IWLWIFI_DEBUGFS */
445 }
446
447 static int iwl_mvm_power_send_cmd(struct iwl_mvm *mvm,
448 struct ieee80211_vif *vif)
449 {
450 struct iwl_mac_power_cmd cmd = {};
451
452 iwl_mvm_power_build_cmd(mvm, vif, &cmd);
453 iwl_mvm_power_log(mvm, &cmd);
454 #ifdef CONFIG_IWLWIFI_DEBUGFS
455 memcpy(&iwl_mvm_vif_from_mac80211(vif)->mac_pwr_cmd, &cmd, sizeof(cmd));
456 #endif
457
458 return iwl_mvm_send_cmd_pdu(mvm, MAC_PM_POWER_TABLE, 0,
459 sizeof(cmd), &cmd);
460 }
461
462 int iwl_mvm_power_update_device(struct iwl_mvm *mvm)
463 {
464 struct iwl_device_power_cmd cmd = {
465 .flags = cpu_to_le16(DEVICE_POWER_FLAGS_POWER_SAVE_ENA_MSK),
466 };
467
468 if (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM)
469 mvm->ps_disabled = true;
470
471 if (mvm->ps_disabled)
472 cmd.flags |= cpu_to_le16(DEVICE_POWER_FLAGS_CAM_MSK);
473
474 #ifdef CONFIG_IWLWIFI_DEBUGFS
475 if ((mvm->cur_ucode == IWL_UCODE_WOWLAN) ? mvm->disable_power_off_d3 :
476 mvm->disable_power_off)
477 cmd.flags &=
478 cpu_to_le16(~DEVICE_POWER_FLAGS_POWER_SAVE_ENA_MSK);
479 #endif
480 IWL_DEBUG_POWER(mvm,
481 "Sending device power command with flags = 0x%X\n",
482 cmd.flags);
483
484 return iwl_mvm_send_cmd_pdu(mvm, POWER_TABLE_CMD, 0, sizeof(cmd),
485 &cmd);
486 }
487
488 void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
489 {
490 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
491
492 if (memcmp(vif->bss_conf.bssid, mvmvif->uapsd_misbehaving_bssid,
493 ETH_ALEN))
494 memset(mvmvif->uapsd_misbehaving_bssid, 0, ETH_ALEN);
495 }
496
497 static void iwl_mvm_power_uapsd_misbehav_ap_iterator(void *_data, u8 *mac,
498 struct ieee80211_vif *vif)
499 {
500 u8 *ap_sta_id = _data;
501 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
502
503 /* The ap_sta_id is not expected to change during current association
504 * so no explicit protection is needed
505 */
506 if (mvmvif->ap_sta_id == *ap_sta_id)
507 memcpy(mvmvif->uapsd_misbehaving_bssid, vif->bss_conf.bssid,
508 ETH_ALEN);
509 }
510
511 int iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm,
512 struct iwl_rx_cmd_buffer *rxb,
513 struct iwl_device_cmd *cmd)
514 {
515 struct iwl_rx_packet *pkt = rxb_addr(rxb);
516 struct iwl_uapsd_misbehaving_ap_notif *notif = (void *)pkt->data;
517 u8 ap_sta_id = le32_to_cpu(notif->sta_id);
518
519 ieee80211_iterate_active_interfaces_atomic(
520 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
521 iwl_mvm_power_uapsd_misbehav_ap_iterator, &ap_sta_id);
522
523 return 0;
524 }
525
526 struct iwl_power_vifs {
527 struct iwl_mvm *mvm;
528 struct ieee80211_vif *bf_vif;
529 struct ieee80211_vif *bss_vif;
530 struct ieee80211_vif *p2p_vif;
531 struct ieee80211_vif *ap_vif;
532 struct ieee80211_vif *monitor_vif;
533 bool p2p_active;
534 bool bss_active;
535 bool ap_active;
536 bool monitor_active;
537 };
538
539 static void iwl_mvm_power_disable_pm_iterator(void *_data, u8* mac,
540 struct ieee80211_vif *vif)
541 {
542 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
543
544 mvmvif->pm_enabled = false;
545 }
546
547 static void iwl_mvm_power_ps_disabled_iterator(void *_data, u8* mac,
548 struct ieee80211_vif *vif)
549 {
550 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
551 bool *disable_ps = _data;
552
553 if (mvmvif->phy_ctxt)
554 if (mvmvif->phy_ctxt->id < MAX_PHYS)
555 *disable_ps |= mvmvif->ps_disabled;
556 }
557
558 static void iwl_mvm_power_get_vifs_iterator(void *_data, u8 *mac,
559 struct ieee80211_vif *vif)
560 {
561 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
562 struct iwl_power_vifs *power_iterator = _data;
563
564 switch (ieee80211_vif_type_p2p(vif)) {
565 case NL80211_IFTYPE_P2P_DEVICE:
566 break;
567
568 case NL80211_IFTYPE_P2P_GO:
569 case NL80211_IFTYPE_AP:
570 /* only a single MAC of the same type */
571 WARN_ON(power_iterator->ap_vif);
572 power_iterator->ap_vif = vif;
573 if (mvmvif->phy_ctxt)
574 if (mvmvif->phy_ctxt->id < MAX_PHYS)
575 power_iterator->ap_active = true;
576 break;
577
578 case NL80211_IFTYPE_MONITOR:
579 /* only a single MAC of the same type */
580 WARN_ON(power_iterator->monitor_vif);
581 power_iterator->monitor_vif = vif;
582 if (mvmvif->phy_ctxt)
583 if (mvmvif->phy_ctxt->id < MAX_PHYS)
584 power_iterator->monitor_active = true;
585 break;
586
587 case NL80211_IFTYPE_P2P_CLIENT:
588 /* only a single MAC of the same type */
589 WARN_ON(power_iterator->p2p_vif);
590 power_iterator->p2p_vif = vif;
591 if (mvmvif->phy_ctxt)
592 if (mvmvif->phy_ctxt->id < MAX_PHYS)
593 power_iterator->p2p_active = true;
594 break;
595
596 case NL80211_IFTYPE_STATION:
597 /* only a single MAC of the same type */
598 WARN_ON(power_iterator->bss_vif);
599 power_iterator->bss_vif = vif;
600 if (mvmvif->phy_ctxt)
601 if (mvmvif->phy_ctxt->id < MAX_PHYS)
602 power_iterator->bss_active = true;
603
604 if (mvmvif->bf_data.bf_enabled &&
605 !WARN_ON(power_iterator->bf_vif))
606 power_iterator->bf_vif = vif;
607
608 break;
609
610 default:
611 break;
612 }
613 }
614
615 static void iwl_mvm_power_set_pm(struct iwl_mvm *mvm,
616 struct iwl_power_vifs *vifs)
617 {
618 struct iwl_mvm_vif *bss_mvmvif = NULL;
619 struct iwl_mvm_vif *p2p_mvmvif = NULL;
620 struct iwl_mvm_vif *ap_mvmvif = NULL;
621 bool client_same_channel = false;
622 bool ap_same_channel = false;
623
624 lockdep_assert_held(&mvm->mutex);
625
626 /* set pm_enable to false */
627 ieee80211_iterate_active_interfaces_atomic(mvm->hw,
628 IEEE80211_IFACE_ITER_NORMAL,
629 iwl_mvm_power_disable_pm_iterator,
630 NULL);
631
632 if (vifs->bss_vif)
633 bss_mvmvif = iwl_mvm_vif_from_mac80211(vifs->bss_vif);
634
635 if (vifs->p2p_vif)
636 p2p_mvmvif = iwl_mvm_vif_from_mac80211(vifs->p2p_vif);
637
638 if (vifs->ap_vif)
639 ap_mvmvif = iwl_mvm_vif_from_mac80211(vifs->ap_vif);
640
641 /* enable PM on bss if bss stand alone */
642 if (vifs->bss_active && !vifs->p2p_active && !vifs->ap_active) {
643 bss_mvmvif->pm_enabled = true;
644 return;
645 }
646
647 /* enable PM on p2p if p2p stand alone */
648 if (vifs->p2p_active && !vifs->bss_active && !vifs->ap_active) {
649 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_P2P_PM)
650 p2p_mvmvif->pm_enabled = true;
651 return;
652 }
653
654 if (vifs->bss_active && vifs->p2p_active)
655 client_same_channel = (bss_mvmvif->phy_ctxt->id ==
656 p2p_mvmvif->phy_ctxt->id);
657 if (vifs->bss_active && vifs->ap_active)
658 ap_same_channel = (bss_mvmvif->phy_ctxt->id ==
659 ap_mvmvif->phy_ctxt->id);
660
661 /* clients are not stand alone: enable PM if DCM */
662 if (!(client_same_channel || ap_same_channel) &&
663 (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BSS_P2P_PS_DCM)) {
664 if (vifs->bss_active)
665 bss_mvmvif->pm_enabled = true;
666 if (vifs->p2p_active &&
667 (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_P2P_PM))
668 p2p_mvmvif->pm_enabled = true;
669 return;
670 }
671
672 /*
673 * There is only one channel in the system and there are only
674 * bss and p2p clients that share it
675 */
676 if (client_same_channel && !vifs->ap_active &&
677 (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BSS_P2P_PS_SCM)) {
678 /* share same channel*/
679 bss_mvmvif->pm_enabled = true;
680 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_P2P_PM)
681 p2p_mvmvif->pm_enabled = true;
682 }
683 }
684
685 #ifdef CONFIG_IWLWIFI_DEBUGFS
686 int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm,
687 struct ieee80211_vif *vif, char *buf,
688 int bufsz)
689 {
690 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
691 struct iwl_mac_power_cmd cmd = {};
692 int pos = 0;
693
694 mutex_lock(&mvm->mutex);
695 memcpy(&cmd, &mvmvif->mac_pwr_cmd, sizeof(cmd));
696 mutex_unlock(&mvm->mutex);
697
698 pos += scnprintf(buf+pos, bufsz-pos, "power_scheme = %d\n",
699 iwlmvm_mod_params.power_scheme);
700 pos += scnprintf(buf+pos, bufsz-pos, "flags = 0x%x\n",
701 le16_to_cpu(cmd.flags));
702 pos += scnprintf(buf+pos, bufsz-pos, "keep_alive = %d\n",
703 le16_to_cpu(cmd.keep_alive_seconds));
704
705 if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK)))
706 return pos;
707
708 pos += scnprintf(buf+pos, bufsz-pos, "skip_over_dtim = %d\n",
709 (cmd.flags &
710 cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK)) ? 1 : 0);
711 pos += scnprintf(buf+pos, bufsz-pos, "skip_dtim_periods = %d\n",
712 cmd.skip_dtim_periods);
713 if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK))) {
714 pos += scnprintf(buf+pos, bufsz-pos, "rx_data_timeout = %d\n",
715 le32_to_cpu(cmd.rx_data_timeout));
716 pos += scnprintf(buf+pos, bufsz-pos, "tx_data_timeout = %d\n",
717 le32_to_cpu(cmd.tx_data_timeout));
718 }
719 if (cmd.flags & cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK))
720 pos += scnprintf(buf+pos, bufsz-pos,
721 "lprx_rssi_threshold = %d\n",
722 cmd.lprx_rssi_threshold);
723
724 if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK)))
725 return pos;
726
727 pos += scnprintf(buf+pos, bufsz-pos, "rx_data_timeout_uapsd = %d\n",
728 le32_to_cpu(cmd.rx_data_timeout_uapsd));
729 pos += scnprintf(buf+pos, bufsz-pos, "tx_data_timeout_uapsd = %d\n",
730 le32_to_cpu(cmd.tx_data_timeout_uapsd));
731 pos += scnprintf(buf+pos, bufsz-pos, "qndp_tid = %d\n", cmd.qndp_tid);
732 pos += scnprintf(buf+pos, bufsz-pos, "uapsd_ac_flags = 0x%x\n",
733 cmd.uapsd_ac_flags);
734 pos += scnprintf(buf+pos, bufsz-pos, "uapsd_max_sp = %d\n",
735 cmd.uapsd_max_sp);
736 pos += scnprintf(buf+pos, bufsz-pos, "heavy_tx_thld_packets = %d\n",
737 cmd.heavy_tx_thld_packets);
738 pos += scnprintf(buf+pos, bufsz-pos, "heavy_rx_thld_packets = %d\n",
739 cmd.heavy_rx_thld_packets);
740 pos += scnprintf(buf+pos, bufsz-pos, "heavy_tx_thld_percentage = %d\n",
741 cmd.heavy_tx_thld_percentage);
742 pos += scnprintf(buf+pos, bufsz-pos, "heavy_rx_thld_percentage = %d\n",
743 cmd.heavy_rx_thld_percentage);
744 pos += scnprintf(buf+pos, bufsz-pos, "uapsd_misbehaving_enable = %d\n",
745 (cmd.flags &
746 cpu_to_le16(POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK)) ?
747 1 : 0);
748
749 if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)))
750 return pos;
751
752 pos += scnprintf(buf+pos, bufsz-pos, "snooze_interval = %d\n",
753 cmd.snooze_interval);
754 pos += scnprintf(buf+pos, bufsz-pos, "snooze_window = %d\n",
755 cmd.snooze_window);
756
757 return pos;
758 }
759
760 void
761 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
762 struct iwl_beacon_filter_cmd *cmd)
763 {
764 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
765 struct iwl_dbgfs_bf *dbgfs_bf = &mvmvif->dbgfs_bf;
766
767 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ENERGY_DELTA)
768 cmd->bf_energy_delta = cpu_to_le32(dbgfs_bf->bf_energy_delta);
769 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA)
770 cmd->bf_roaming_energy_delta =
771 cpu_to_le32(dbgfs_bf->bf_roaming_energy_delta);
772 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ROAMING_STATE)
773 cmd->bf_roaming_state = cpu_to_le32(dbgfs_bf->bf_roaming_state);
774 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_THRESHOLD)
775 cmd->bf_temp_threshold =
776 cpu_to_le32(dbgfs_bf->bf_temp_threshold);
777 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_FAST_FILTER)
778 cmd->bf_temp_fast_filter =
779 cpu_to_le32(dbgfs_bf->bf_temp_fast_filter);
780 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_SLOW_FILTER)
781 cmd->bf_temp_slow_filter =
782 cpu_to_le32(dbgfs_bf->bf_temp_slow_filter);
783 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_DEBUG_FLAG)
784 cmd->bf_debug_flag = cpu_to_le32(dbgfs_bf->bf_debug_flag);
785 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ESCAPE_TIMER)
786 cmd->bf_escape_timer = cpu_to_le32(dbgfs_bf->bf_escape_timer);
787 if (dbgfs_bf->mask & MVM_DEBUGFS_BA_ESCAPE_TIMER)
788 cmd->ba_escape_timer = cpu_to_le32(dbgfs_bf->ba_escape_timer);
789 if (dbgfs_bf->mask & MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT)
790 cmd->ba_enable_beacon_abort =
791 cpu_to_le32(dbgfs_bf->ba_enable_beacon_abort);
792 }
793 #endif
794
795 static int _iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
796 struct ieee80211_vif *vif,
797 struct iwl_beacon_filter_cmd *cmd,
798 u32 cmd_flags,
799 bool d0i3)
800 {
801 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
802 int ret;
803
804 if (mvmvif != mvm->bf_allowed_vif || !vif->bss_conf.dtim_period ||
805 vif->type != NL80211_IFTYPE_STATION || vif->p2p)
806 return 0;
807
808 iwl_mvm_beacon_filter_set_cqm_params(mvm, vif, cmd);
809 if (!d0i3)
810 iwl_mvm_beacon_filter_debugfs_parameters(vif, cmd);
811 ret = iwl_mvm_beacon_filter_send_cmd(mvm, cmd, cmd_flags);
812
813 /* don't change bf_enabled in case of temporary d0i3 configuration */
814 if (!ret && !d0i3)
815 mvmvif->bf_data.bf_enabled = true;
816
817 return ret;
818 }
819
820 int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
821 struct ieee80211_vif *vif,
822 u32 flags)
823 {
824 struct iwl_beacon_filter_cmd cmd = {
825 IWL_BF_CMD_CONFIG_DEFAULTS,
826 .bf_enable_beacon_filter = cpu_to_le32(1),
827 };
828
829 return _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd, flags, false);
830 }
831
832 static int iwl_mvm_update_beacon_abort(struct iwl_mvm *mvm,
833 struct ieee80211_vif *vif,
834 bool enable)
835 {
836 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
837 struct iwl_beacon_filter_cmd cmd = {
838 IWL_BF_CMD_CONFIG_DEFAULTS,
839 .bf_enable_beacon_filter = cpu_to_le32(1),
840 };
841
842 if (!mvmvif->bf_data.bf_enabled)
843 return 0;
844
845 if (mvm->cur_ucode == IWL_UCODE_WOWLAN)
846 cmd.ba_escape_timer = cpu_to_le32(IWL_BA_ESCAPE_TIMER_D3);
847
848 mvmvif->bf_data.ba_enabled = enable;
849 return _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd, 0, false);
850 }
851
852 int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
853 struct ieee80211_vif *vif,
854 u32 flags)
855 {
856 struct iwl_beacon_filter_cmd cmd = {};
857 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
858 int ret;
859
860 if (vif->type != NL80211_IFTYPE_STATION || vif->p2p)
861 return 0;
862
863 ret = iwl_mvm_beacon_filter_send_cmd(mvm, &cmd, flags);
864
865 if (!ret)
866 mvmvif->bf_data.bf_enabled = false;
867
868 return ret;
869 }
870
871 static int iwl_mvm_power_set_ps(struct iwl_mvm *mvm)
872 {
873 bool disable_ps;
874 int ret;
875
876 /* disable PS if CAM */
877 disable_ps = (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM);
878 /* ...or if any of the vifs require PS to be off */
879 ieee80211_iterate_active_interfaces_atomic(mvm->hw,
880 IEEE80211_IFACE_ITER_NORMAL,
881 iwl_mvm_power_ps_disabled_iterator,
882 &disable_ps);
883
884 /* update device power state if it has changed */
885 if (mvm->ps_disabled != disable_ps) {
886 bool old_ps_disabled = mvm->ps_disabled;
887
888 mvm->ps_disabled = disable_ps;
889 ret = iwl_mvm_power_update_device(mvm);
890 if (ret) {
891 mvm->ps_disabled = old_ps_disabled;
892 return ret;
893 }
894 }
895
896 return 0;
897 }
898
899 static int iwl_mvm_power_set_ba(struct iwl_mvm *mvm,
900 struct iwl_power_vifs *vifs)
901 {
902 struct iwl_mvm_vif *mvmvif;
903 bool ba_enable;
904
905 if (!vifs->bf_vif)
906 return 0;
907
908 mvmvif = iwl_mvm_vif_from_mac80211(vifs->bf_vif);
909
910 ba_enable = !(!mvmvif->pm_enabled || mvm->ps_disabled ||
911 !vifs->bf_vif->bss_conf.ps ||
912 iwl_mvm_vif_low_latency(mvmvif));
913
914 return iwl_mvm_update_beacon_abort(mvm, vifs->bf_vif, ba_enable);
915 }
916
917 int iwl_mvm_power_update_ps(struct iwl_mvm *mvm)
918 {
919 struct iwl_power_vifs vifs = {
920 .mvm = mvm,
921 };
922 int ret;
923
924 lockdep_assert_held(&mvm->mutex);
925
926 /* get vifs info */
927 ieee80211_iterate_active_interfaces_atomic(mvm->hw,
928 IEEE80211_IFACE_ITER_NORMAL,
929 iwl_mvm_power_get_vifs_iterator, &vifs);
930
931 ret = iwl_mvm_power_set_ps(mvm);
932 if (ret)
933 return ret;
934
935 return iwl_mvm_power_set_ba(mvm, &vifs);
936 }
937
938 int iwl_mvm_power_update_mac(struct iwl_mvm *mvm)
939 {
940 struct iwl_power_vifs vifs = {
941 .mvm = mvm,
942 };
943 int ret;
944
945 lockdep_assert_held(&mvm->mutex);
946
947 /* get vifs info */
948 ieee80211_iterate_active_interfaces_atomic(mvm->hw,
949 IEEE80211_IFACE_ITER_NORMAL,
950 iwl_mvm_power_get_vifs_iterator, &vifs);
951
952 iwl_mvm_power_set_pm(mvm, &vifs);
953
954 ret = iwl_mvm_power_set_ps(mvm);
955 if (ret)
956 return ret;
957
958 if (vifs.bss_vif) {
959 ret = iwl_mvm_power_send_cmd(mvm, vifs.bss_vif);
960 if (ret)
961 return ret;
962 }
963
964 if (vifs.p2p_vif) {
965 ret = iwl_mvm_power_send_cmd(mvm, vifs.p2p_vif);
966 if (ret)
967 return ret;
968 }
969
970 return iwl_mvm_power_set_ba(mvm, &vifs);
971 }
972
973 int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm,
974 struct ieee80211_vif *vif,
975 bool enable, u32 flags)
976 {
977 int ret;
978 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
979 struct iwl_mac_power_cmd cmd = {};
980
981 if (vif->type != NL80211_IFTYPE_STATION || vif->p2p)
982 return 0;
983
984 if (!vif->bss_conf.assoc)
985 return 0;
986
987 iwl_mvm_power_build_cmd(mvm, vif, &cmd);
988 if (enable) {
989 /* configure skip over dtim up to 306TU - 314 msec */
990 int dtimper = vif->bss_conf.dtim_period ?: 1;
991 int dtimper_tu = dtimper * vif->bss_conf.beacon_int;
992 bool radar_detect = iwl_mvm_power_is_radar(vif);
993
994 if (WARN_ON(!dtimper_tu))
995 return 0;
996
997 /* Check skip over DTIM conditions */
998 /* TODO: check that multicast wake lock is off */
999 if (!radar_detect && (dtimper < 10)) {
1000 cmd.skip_dtim_periods = 306 / dtimper_tu;
1001 if (cmd.skip_dtim_periods)
1002 cmd.flags |= cpu_to_le16(
1003 POWER_FLAGS_SKIP_OVER_DTIM_MSK);
1004 }
1005 }
1006 iwl_mvm_power_log(mvm, &cmd);
1007 #ifdef CONFIG_IWLWIFI_DEBUGFS
1008 memcpy(&mvmvif->mac_pwr_cmd, &cmd, sizeof(cmd));
1009 #endif
1010 ret = iwl_mvm_send_cmd_pdu(mvm, MAC_PM_POWER_TABLE, flags,
1011 sizeof(cmd), &cmd);
1012 if (ret)
1013 return ret;
1014
1015 /* configure beacon filtering */
1016 if (mvmvif != mvm->bf_allowed_vif)
1017 return 0;
1018
1019 if (enable) {
1020 struct iwl_beacon_filter_cmd cmd_bf = {
1021 IWL_BF_CMD_CONFIG_D0I3,
1022 .bf_enable_beacon_filter = cpu_to_le32(1),
1023 };
1024 ret = _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd_bf,
1025 flags, true);
1026 } else {
1027 if (mvmvif->bf_data.bf_enabled)
1028 ret = iwl_mvm_enable_beacon_filter(mvm, vif, flags);
1029 else
1030 ret = iwl_mvm_disable_beacon_filter(mvm, vif, flags);
1031 }
1032
1033 return ret;
1034 }
Linux with added FPC-III support