iwlwifi: mvm: add function to update only ps
[deliverable/linux.git] / drivers / net / wireless / iwlwifi / mvm / power.c
CommitLineData
8ca151b5
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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 *
51368bf7 8 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
8ca151b5
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9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of version 2 of the GNU General Public License as
12 * published by the Free Software Foundation.
13 *
14 * This program is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
22 * USA
23 *
24 * The full GNU General Public License is included in this distribution
410dc5aa 25 * in the file called COPYING.
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26 *
27 * Contact Information:
28 * Intel Linux Wireless <ilw@linux.intel.com>
29 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
30 *
31 * BSD LICENSE
32 *
51368bf7 33 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
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34 * All rights reserved.
35 *
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
38 * are met:
39 *
40 * * Redistributions of source code must retain the above copyright
41 * notice, this list of conditions and the following disclaimer.
42 * * Redistributions in binary form must reproduce the above copyright
43 * notice, this list of conditions and the following disclaimer in
44 * the documentation and/or other materials provided with the
45 * distribution.
46 * * Neither the name Intel Corporation nor the names of its
47 * contributors may be used to endorse or promote products derived
48 * from this software without specific prior written permission.
49 *
50 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
51 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
52 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
53 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
54 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
55 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
56 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
57 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
58 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
59 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
60 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
61 *
62 *****************************************************************************/
63
64#include <linux/kernel.h>
65#include <linux/module.h>
66#include <linux/slab.h>
8ca151b5
JB
67
68#include <net/mac80211.h>
69
70#include "iwl-debug.h"
71#include "mvm.h"
72#include "iwl-modparams.h"
73#include "fw-api-power.h"
74
75#define POWER_KEEP_ALIVE_PERIOD_SEC 25
76
d623d24a 77static
e811ada7 78int iwl_mvm_beacon_filter_send_cmd(struct iwl_mvm *mvm,
3dd37d05
EP
79 struct iwl_beacon_filter_cmd *cmd,
80 u32 flags)
071d4990 81{
d623d24a
EG
82 IWL_DEBUG_POWER(mvm, "ba_enable_beacon_abort is: %d\n",
83 le32_to_cpu(cmd->ba_enable_beacon_abort));
84 IWL_DEBUG_POWER(mvm, "ba_escape_timer is: %d\n",
85 le32_to_cpu(cmd->ba_escape_timer));
86 IWL_DEBUG_POWER(mvm, "bf_debug_flag is: %d\n",
87 le32_to_cpu(cmd->bf_debug_flag));
88 IWL_DEBUG_POWER(mvm, "bf_enable_beacon_filter is: %d\n",
89 le32_to_cpu(cmd->bf_enable_beacon_filter));
90 IWL_DEBUG_POWER(mvm, "bf_energy_delta is: %d\n",
91 le32_to_cpu(cmd->bf_energy_delta));
92 IWL_DEBUG_POWER(mvm, "bf_escape_timer is: %d\n",
93 le32_to_cpu(cmd->bf_escape_timer));
94 IWL_DEBUG_POWER(mvm, "bf_roaming_energy_delta is: %d\n",
95 le32_to_cpu(cmd->bf_roaming_energy_delta));
96 IWL_DEBUG_POWER(mvm, "bf_roaming_state is: %d\n",
97 le32_to_cpu(cmd->bf_roaming_state));
98 IWL_DEBUG_POWER(mvm, "bf_temp_threshold is: %d\n",
99 le32_to_cpu(cmd->bf_temp_threshold));
100 IWL_DEBUG_POWER(mvm, "bf_temp_fast_filter is: %d\n",
101 le32_to_cpu(cmd->bf_temp_fast_filter));
102 IWL_DEBUG_POWER(mvm, "bf_temp_slow_filter is: %d\n",
103 le32_to_cpu(cmd->bf_temp_slow_filter));
104
105 return iwl_mvm_send_cmd_pdu(mvm, REPLY_BEACON_FILTERING_CMD, flags,
106 sizeof(struct iwl_beacon_filter_cmd), cmd);
071d4990
AB
107}
108
a20fd398
AO
109static
110void iwl_mvm_beacon_filter_set_cqm_params(struct iwl_mvm *mvm,
111 struct ieee80211_vif *vif,
112 struct iwl_beacon_filter_cmd *cmd)
113{
114 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
115
116 if (vif->bss_conf.cqm_rssi_thold) {
117 cmd->bf_energy_delta =
118 cpu_to_le32(vif->bss_conf.cqm_rssi_hyst);
119 /* fw uses an absolute value for this */
120 cmd->bf_roaming_state =
121 cpu_to_le32(-vif->bss_conf.cqm_rssi_thold);
122 }
123 cmd->ba_enable_beacon_abort = cpu_to_le32(mvmvif->bf_data.ba_enabled);
124}
125
3f0b2b3e 126static void iwl_mvm_power_log(struct iwl_mvm *mvm,
e811ada7 127 struct iwl_mac_power_cmd *cmd)
3f0b2b3e
AB
128{
129 IWL_DEBUG_POWER(mvm,
e811ada7
AB
130 "Sending power table command on mac id 0x%X for power level %d, flags = 0x%X\n",
131 cmd->id_and_color, iwlmvm_mod_params.power_scheme,
3f0b2b3e 132 le16_to_cpu(cmd->flags));
e811ada7
AB
133 IWL_DEBUG_POWER(mvm, "Keep alive = %u sec\n",
134 le16_to_cpu(cmd->keep_alive_seconds));
3f0b2b3e 135
e3c588ec
AB
136 if (!(cmd->flags & cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK))) {
137 IWL_DEBUG_POWER(mvm, "Disable power management\n");
138 return;
139 }
140
141 IWL_DEBUG_POWER(mvm, "Rx timeout = %u usec\n",
142 le32_to_cpu(cmd->rx_data_timeout));
143 IWL_DEBUG_POWER(mvm, "Tx timeout = %u usec\n",
144 le32_to_cpu(cmd->tx_data_timeout));
145 if (cmd->flags & cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK))
146 IWL_DEBUG_POWER(mvm, "DTIM periods to skip = %u\n",
147 cmd->skip_dtim_periods);
148 if (cmd->flags & cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK))
149 IWL_DEBUG_POWER(mvm, "LP RX RSSI threshold = %u\n",
150 cmd->lprx_rssi_threshold);
151 if (cmd->flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK)) {
152 IWL_DEBUG_POWER(mvm, "uAPSD enabled\n");
153 IWL_DEBUG_POWER(mvm, "Rx timeout (uAPSD) = %u usec\n",
154 le32_to_cpu(cmd->rx_data_timeout_uapsd));
155 IWL_DEBUG_POWER(mvm, "Tx timeout (uAPSD) = %u usec\n",
156 le32_to_cpu(cmd->tx_data_timeout_uapsd));
157 IWL_DEBUG_POWER(mvm, "QNDP TID = %d\n", cmd->qndp_tid);
158 IWL_DEBUG_POWER(mvm, "ACs flags = 0x%x\n", cmd->uapsd_ac_flags);
159 IWL_DEBUG_POWER(mvm, "Max SP = %d\n", cmd->uapsd_max_sp);
3f0b2b3e
AB
160 }
161}
162
175a70b7
AB
163static void iwl_mvm_power_configure_uapsd(struct iwl_mvm *mvm,
164 struct ieee80211_vif *vif,
165 struct iwl_mac_power_cmd *cmd)
166{
167 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
168 enum ieee80211_ac_numbers ac;
169 bool tid_found = false;
170
171 for (ac = IEEE80211_AC_VO; ac <= IEEE80211_AC_BK; ac++) {
172 if (!mvmvif->queue_params[ac].uapsd)
173 continue;
174
175 if (mvm->cur_ucode != IWL_UCODE_WOWLAN)
176 cmd->flags |=
177 cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK);
178
179 cmd->uapsd_ac_flags |= BIT(ac);
180
181 /* QNDP TID - the highest TID with no admission control */
182 if (!tid_found && !mvmvif->queue_params[ac].acm) {
183 tid_found = true;
184 switch (ac) {
185 case IEEE80211_AC_VO:
186 cmd->qndp_tid = 6;
187 break;
188 case IEEE80211_AC_VI:
189 cmd->qndp_tid = 5;
190 break;
191 case IEEE80211_AC_BE:
192 cmd->qndp_tid = 0;
193 break;
194 case IEEE80211_AC_BK:
195 cmd->qndp_tid = 1;
196 break;
197 }
198 }
199 }
200
84fd7608
EP
201 if (!(cmd->flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK))) {
202#ifdef CONFIG_IWLWIFI_DEBUGFS
203 /* set advanced pm flag with no uapsd ACs to enable ps-poll */
204 if (mvmvif->dbgfs_pm.use_ps_poll)
205 cmd->flags |=
206 cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK);
207#endif
175a70b7 208 return;
84fd7608 209 }
175a70b7
AB
210
211 cmd->flags |= cpu_to_le16(POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK);
212
213 if (cmd->uapsd_ac_flags == (BIT(IEEE80211_AC_VO) |
214 BIT(IEEE80211_AC_VI) |
215 BIT(IEEE80211_AC_BE) |
216 BIT(IEEE80211_AC_BK))) {
217 cmd->flags |= cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK);
218 cmd->snooze_interval = cpu_to_le16(IWL_MVM_PS_SNOOZE_INTERVAL);
219 cmd->snooze_window = (mvm->cur_ucode == IWL_UCODE_WOWLAN) ?
220 cpu_to_le16(IWL_MVM_WOWLAN_PS_SNOOZE_WINDOW) :
221 cpu_to_le16(IWL_MVM_PS_SNOOZE_WINDOW);
222 }
223
224 cmd->uapsd_max_sp = IWL_UAPSD_MAX_SP;
225
226 if (mvm->cur_ucode == IWL_UCODE_WOWLAN || cmd->flags &
227 cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)) {
228 cmd->rx_data_timeout_uapsd =
229 cpu_to_le32(IWL_MVM_WOWLAN_PS_RX_DATA_TIMEOUT);
230 cmd->tx_data_timeout_uapsd =
231 cpu_to_le32(IWL_MVM_WOWLAN_PS_TX_DATA_TIMEOUT);
232 } else {
233 cmd->rx_data_timeout_uapsd =
234 cpu_to_le32(IWL_MVM_UAPSD_RX_DATA_TIMEOUT);
235 cmd->tx_data_timeout_uapsd =
236 cpu_to_le32(IWL_MVM_UAPSD_TX_DATA_TIMEOUT);
237 }
238
239 if (cmd->flags & cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)) {
240 cmd->heavy_tx_thld_packets =
241 IWL_MVM_PS_SNOOZE_HEAVY_TX_THLD_PACKETS;
242 cmd->heavy_rx_thld_packets =
243 IWL_MVM_PS_SNOOZE_HEAVY_RX_THLD_PACKETS;
244 } else {
245 cmd->heavy_tx_thld_packets =
246 IWL_MVM_PS_HEAVY_TX_THLD_PACKETS;
247 cmd->heavy_rx_thld_packets =
248 IWL_MVM_PS_HEAVY_RX_THLD_PACKETS;
249 }
250 cmd->heavy_tx_thld_percentage =
251 IWL_MVM_PS_HEAVY_TX_THLD_PERCENT;
252 cmd->heavy_rx_thld_percentage =
253 IWL_MVM_PS_HEAVY_RX_THLD_PERCENT;
254}
255
c6e37a68
AA
256static bool iwl_mvm_power_allow_uapsd(struct iwl_mvm *mvm,
257 struct ieee80211_vif *vif)
258{
259 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
260
261 if (!memcmp(mvmvif->uapsd_misbehaving_bssid, vif->bss_conf.bssid,
262 ETH_ALEN))
263 return false;
264
265 if (vif->p2p &&
266 !(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_P2P_PS_UAPSD))
267 return false;
268 /*
269 * Avoid using uAPSD if P2P client is associated to GO that uses
270 * opportunistic power save. This is due to current FW limitation.
271 */
272 if (vif->p2p &&
273 (vif->bss_conf.p2p_noa_attr.oppps_ctwindow &
274 IEEE80211_P2P_OPPPS_ENABLE_BIT))
275 return false;
276
0534528e
AA
277 /*
278 * Avoid using uAPSD if client is in DCM -
279 * low latency issue in Miracast
280 */
cf7b491d 281 if (iwl_mvm_phy_ctx_count(mvm) >= 2)
0534528e
AA
282 return false;
283
c6e37a68
AA
284 return true;
285}
286
e811ada7
AB
287static void iwl_mvm_power_build_cmd(struct iwl_mvm *mvm,
288 struct ieee80211_vif *vif,
289 struct iwl_mac_power_cmd *cmd)
8ca151b5
JB
290{
291 struct ieee80211_hw *hw = mvm->hw;
8ca151b5
JB
292 struct ieee80211_chanctx_conf *chanctx_conf;
293 struct ieee80211_channel *chan;
294 int dtimper, dtimper_msec;
295 int keep_alive;
296 bool radar_detect = false;
b571a697
AB
297 struct iwl_mvm_vif *mvmvif __maybe_unused =
298 iwl_mvm_vif_from_mac80211(vif);
8ca151b5 299
e811ada7
AB
300 cmd->id_and_color = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id,
301 mvmvif->color));
302 dtimper = hw->conf.ps_dtim_period ?: 1;
303
e16cf7ec
AB
304 /*
305 * Regardless of power management state the driver must set
306 * keep alive period. FW will use it for sending keep alive NDPs
e811ada7
AB
307 * immediately after association. Check that keep alive period
308 * is at least 3 * DTIM
e16cf7ec 309 */
e811ada7
AB
310 dtimper_msec = dtimper * vif->bss_conf.beacon_int;
311 keep_alive = max_t(int, 3 * dtimper_msec,
312 MSEC_PER_SEC * POWER_KEEP_ALIVE_PERIOD_SEC);
313 keep_alive = DIV_ROUND_UP(keep_alive, MSEC_PER_SEC);
314 cmd->keep_alive_seconds = cpu_to_le16(keep_alive);
e16cf7ec 315
e5e7aa8e 316 if (mvm->ps_disabled)
8ca151b5
JB
317 return;
318
9a613048
AB
319 cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_SAVE_ENA_MSK);
320
e5e7aa8e 321 if (!vif->bss_conf.ps || iwl_mvm_vif_low_latency(mvmvif) ||
19889025 322 !mvmvif->pm_enabled)
9a613048
AB
323 return;
324
325 cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK);
8ca151b5 326
bd4ace2a
AB
327 if (vif->bss_conf.beacon_rate &&
328 (vif->bss_conf.beacon_rate->bitrate == 10 ||
329 vif->bss_conf.beacon_rate->bitrate == 60)) {
330 cmd->flags |= cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK);
e811ada7 331 cmd->lprx_rssi_threshold = POWER_LPRX_RSSI_THRESHOLD;
bd4ace2a
AB
332 }
333
8ca151b5
JB
334 /* Check if radar detection is required on current channel */
335 rcu_read_lock();
336 chanctx_conf = rcu_dereference(vif->chanctx_conf);
337 WARN_ON(!chanctx_conf);
338 if (chanctx_conf) {
339 chan = chanctx_conf->def.chan;
340 radar_detect = chan->flags & IEEE80211_CHAN_RADAR;
341 }
342 rcu_read_unlock();
343
344 /* Check skip over DTIM conditions */
345 if (!radar_detect && (dtimper <= 10) &&
ee1e8422
AB
346 (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_LP ||
347 mvm->cur_ucode == IWL_UCODE_WOWLAN)) {
f4a3e2fe 348 cmd->flags |= cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK);
e811ada7 349 cmd->skip_dtim_periods = 3;
5b1dbfc3 350 }
8ca151b5 351
ee1e8422 352 if (mvm->cur_ucode != IWL_UCODE_WOWLAN) {
99545924
JB
353 cmd->rx_data_timeout =
354 cpu_to_le32(IWL_MVM_DEFAULT_PS_RX_DATA_TIMEOUT);
355 cmd->tx_data_timeout =
356 cpu_to_le32(IWL_MVM_DEFAULT_PS_TX_DATA_TIMEOUT);
ee1e8422 357 } else {
99545924
JB
358 cmd->rx_data_timeout =
359 cpu_to_le32(IWL_MVM_WOWLAN_PS_RX_DATA_TIMEOUT);
360 cmd->tx_data_timeout =
361 cpu_to_le32(IWL_MVM_WOWLAN_PS_TX_DATA_TIMEOUT);
ee1e8422 362 }
b571a697 363
c6e37a68 364 if (iwl_mvm_power_allow_uapsd(mvm, vif))
175a70b7 365 iwl_mvm_power_configure_uapsd(mvm, vif, cmd);
e3c588ec 366
b571a697
AB
367#ifdef CONFIG_IWLWIFI_DEBUGFS
368 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_KEEP_ALIVE)
e811ada7
AB
369 cmd->keep_alive_seconds =
370 cpu_to_le16(mvmvif->dbgfs_pm.keep_alive_seconds);
b571a697
AB
371 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SKIP_OVER_DTIM) {
372 if (mvmvif->dbgfs_pm.skip_over_dtim)
373 cmd->flags |=
374 cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK);
375 else
376 cmd->flags &=
377 cpu_to_le16(~POWER_FLAGS_SKIP_OVER_DTIM_MSK);
378 }
379 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_RX_DATA_TIMEOUT)
380 cmd->rx_data_timeout =
381 cpu_to_le32(mvmvif->dbgfs_pm.rx_data_timeout);
382 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_TX_DATA_TIMEOUT)
383 cmd->tx_data_timeout =
384 cpu_to_le32(mvmvif->dbgfs_pm.tx_data_timeout);
385 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS)
e811ada7 386 cmd->skip_dtim_periods = mvmvif->dbgfs_pm.skip_dtim_periods;
bd4ace2a
AB
387 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_LPRX_ENA) {
388 if (mvmvif->dbgfs_pm.lprx_ena)
389 cmd->flags |= cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK);
390 else
391 cmd->flags &= cpu_to_le16(~POWER_FLAGS_LPRX_ENA_MSK);
392 }
393 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD)
e811ada7 394 cmd->lprx_rssi_threshold = mvmvif->dbgfs_pm.lprx_rssi_threshold;
89716344
AB
395 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SNOOZE_ENABLE) {
396 if (mvmvif->dbgfs_pm.snooze_ena)
397 cmd->flags |=
398 cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK);
399 else
400 cmd->flags &=
401 cpu_to_le16(~POWER_FLAGS_SNOOZE_ENA_MSK);
402 }
e45a941d
AB
403 if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_UAPSD_MISBEHAVING) {
404 u16 flag = POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK;
405 if (mvmvif->dbgfs_pm.uapsd_misbehaving)
406 cmd->flags |= cpu_to_le16(flag);
407 else
408 cmd->flags &= cpu_to_le16(flag);
409 }
b571a697 410#endif /* CONFIG_IWLWIFI_DEBUGFS */
8ca151b5
JB
411}
412
e5e7aa8e 413static int iwl_mvm_power_send_cmd(struct iwl_mvm *mvm,
e811ada7 414 struct ieee80211_vif *vif)
8ca151b5 415{
e811ada7 416 struct iwl_mac_power_cmd cmd = {};
8ca151b5 417
f4a3e2fe 418 iwl_mvm_power_build_cmd(mvm, vif, &cmd);
3f0b2b3e 419 iwl_mvm_power_log(mvm, &cmd);
474b50c3
EG
420#ifdef CONFIG_IWLWIFI_DEBUGFS
421 memcpy(&iwl_mvm_vif_from_mac80211(vif)->mac_pwr_cmd, &cmd, sizeof(cmd));
422#endif
8ca151b5 423
a1022927 424 return iwl_mvm_send_cmd_pdu(mvm, MAC_PM_POWER_TABLE, 0,
06280a2b
EG
425 sizeof(cmd), &cmd);
426}
427
e5e7aa8e 428int iwl_mvm_power_update_device(struct iwl_mvm *mvm)
64b928c4
AB
429{
430 struct iwl_device_power_cmd cmd = {
431 .flags = cpu_to_le16(DEVICE_POWER_FLAGS_POWER_SAVE_ENA_MSK),
432 };
433
e5e7aa8e
EG
434 if (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM)
435 mvm->ps_disabled = true;
436
437 if (mvm->ps_disabled)
64b928c4
AB
438 cmd.flags |= cpu_to_le16(DEVICE_POWER_FLAGS_CAM_MSK);
439
440#ifdef CONFIG_IWLWIFI_DEBUGFS
441 if ((mvm->cur_ucode == IWL_UCODE_WOWLAN) ? mvm->disable_power_off_d3 :
442 mvm->disable_power_off)
443 cmd.flags &=
444 cpu_to_le16(~DEVICE_POWER_FLAGS_POWER_SAVE_ENA_MSK);
445#endif
446 IWL_DEBUG_POWER(mvm,
447 "Sending device power command with flags = 0x%X\n",
448 cmd.flags);
449
a1022927 450 return iwl_mvm_send_cmd_pdu(mvm, POWER_TABLE_CMD, 0, sizeof(cmd),
64b928c4
AB
451 &cmd);
452}
453
175a70b7
AB
454void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
455{
456 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
457
458 if (memcmp(vif->bss_conf.bssid, mvmvif->uapsd_misbehaving_bssid,
459 ETH_ALEN))
460 memset(mvmvif->uapsd_misbehaving_bssid, 0, ETH_ALEN);
461}
462
463static void iwl_mvm_power_uapsd_misbehav_ap_iterator(void *_data, u8 *mac,
464 struct ieee80211_vif *vif)
465{
466 u8 *ap_sta_id = _data;
467 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
468
469 /* The ap_sta_id is not expected to change during current association
470 * so no explicit protection is needed
471 */
472 if (mvmvif->ap_sta_id == *ap_sta_id)
473 memcpy(mvmvif->uapsd_misbehaving_bssid, vif->bss_conf.bssid,
474 ETH_ALEN);
475}
476
477int iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm,
478 struct iwl_rx_cmd_buffer *rxb,
479 struct iwl_device_cmd *cmd)
480{
481 struct iwl_rx_packet *pkt = rxb_addr(rxb);
482 struct iwl_uapsd_misbehaving_ap_notif *notif = (void *)pkt->data;
483 u8 ap_sta_id = le32_to_cpu(notif->sta_id);
484
485 ieee80211_iterate_active_interfaces_atomic(
486 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
487 iwl_mvm_power_uapsd_misbehav_ap_iterator, &ap_sta_id);
488
489 return 0;
490}
491
19889025 492struct iwl_power_vifs {
fa3d07e4 493 struct iwl_mvm *mvm;
06280a2b 494 struct ieee80211_vif *bf_vif;
e5e7aa8e 495 struct ieee80211_vif *bss_vif;
8ea0c68f 496 struct ieee80211_vif *p2p_vif;
19889025
AA
497 struct ieee80211_vif *ap_vif;
498 struct ieee80211_vif *monitor_vif;
499 bool p2p_active;
500 bool bss_active;
501 bool ap_active;
502 bool monitor_active;
fa3d07e4
AN
503 bool bss_tdls;
504 bool p2p_tdls;
06280a2b
EG
505};
506
128aa948
LC
507static void iwl_mvm_power_disable_pm_iterator(void *_data, u8* mac,
508 struct ieee80211_vif *vif)
1c2abf72 509{
06280a2b 510 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
e5e7aa8e 511
19889025 512 mvmvif->pm_enabled = false;
128aa948
LC
513}
514
515static void iwl_mvm_power_get_vifs_iterator(void *_data, u8 *mac,
516 struct ieee80211_vif *vif)
517{
518 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
519 struct iwl_power_vifs *power_iterator = _data;
520
e5e7aa8e
EG
521 switch (ieee80211_vif_type_p2p(vif)) {
522 case NL80211_IFTYPE_P2P_DEVICE:
523 break;
524
525 case NL80211_IFTYPE_P2P_GO:
526 case NL80211_IFTYPE_AP:
19889025
AA
527 /* only a single MAC of the same type */
528 WARN_ON(power_iterator->ap_vif);
529 power_iterator->ap_vif = vif;
530 if (mvmvif->phy_ctxt)
531 if (mvmvif->phy_ctxt->id < MAX_PHYS)
532 power_iterator->ap_active = true;
e5e7aa8e
EG
533 break;
534
535 case NL80211_IFTYPE_MONITOR:
19889025
AA
536 /* only a single MAC of the same type */
537 WARN_ON(power_iterator->monitor_vif);
538 power_iterator->monitor_vif = vif;
539 if (mvmvif->phy_ctxt)
540 if (mvmvif->phy_ctxt->id < MAX_PHYS)
541 power_iterator->monitor_active = true;
e5e7aa8e
EG
542 break;
543
544 case NL80211_IFTYPE_P2P_CLIENT:
19889025 545 /* only a single MAC of the same type */
8ea0c68f
AA
546 WARN_ON(power_iterator->p2p_vif);
547 power_iterator->p2p_vif = vif;
fa3d07e4
AN
548 power_iterator->p2p_tdls =
549 !!iwl_mvm_tdls_sta_count(power_iterator->mvm, vif);
19889025
AA
550 if (mvmvif->phy_ctxt)
551 if (mvmvif->phy_ctxt->id < MAX_PHYS)
552 power_iterator->p2p_active = true;
e5e7aa8e
EG
553 break;
554
555 case NL80211_IFTYPE_STATION:
19889025 556 /* only a single MAC of the same type */
e5e7aa8e
EG
557 WARN_ON(power_iterator->bss_vif);
558 power_iterator->bss_vif = vif;
fa3d07e4
AN
559 power_iterator->bss_tdls =
560 !!iwl_mvm_tdls_sta_count(power_iterator->mvm, vif);
19889025
AA
561 if (mvmvif->phy_ctxt)
562 if (mvmvif->phy_ctxt->id < MAX_PHYS)
563 power_iterator->bss_active = true;
e5e7aa8e
EG
564
565 if (mvmvif->bf_data.bf_enabled &&
566 !WARN_ON(power_iterator->bf_vif))
567 power_iterator->bf_vif = vif;
7303dd7f 568
e5e7aa8e
EG
569 break;
570
571 default:
572 break;
573 }
574}
1c2abf72 575
b1873300
LC
576static void iwl_mvm_power_set_pm(struct iwl_mvm *mvm,
577 struct iwl_power_vifs *vifs)
e5e7aa8e 578{
19889025
AA
579 struct iwl_mvm_vif *bss_mvmvif = NULL;
580 struct iwl_mvm_vif *p2p_mvmvif = NULL;
581 struct iwl_mvm_vif *ap_mvmvif = NULL;
582 bool client_same_channel = false;
583 bool ap_same_channel = false;
e5e7aa8e 584
19889025 585 lockdep_assert_held(&mvm->mutex);
06280a2b 586
128aa948 587 /* set pm_enable to false */
e5e7aa8e 588 ieee80211_iterate_active_interfaces_atomic(mvm->hw,
128aa948
LC
589 IEEE80211_IFACE_ITER_NORMAL,
590 iwl_mvm_power_disable_pm_iterator,
591 NULL);
19889025
AA
592
593 if (vifs->bss_vif)
594 bss_mvmvif = iwl_mvm_vif_from_mac80211(vifs->bss_vif);
595
596 if (vifs->p2p_vif)
597 p2p_mvmvif = iwl_mvm_vif_from_mac80211(vifs->p2p_vif);
598
599 if (vifs->ap_vif)
600 ap_mvmvif = iwl_mvm_vif_from_mac80211(vifs->ap_vif);
601
602 /* enable PM on bss if bss stand alone */
fa3d07e4
AN
603 if (vifs->bss_active && !vifs->p2p_active && !vifs->ap_active &&
604 !vifs->bss_tdls) {
19889025
AA
605 bss_mvmvif->pm_enabled = true;
606 return;
607 }
608
609 /* enable PM on p2p if p2p stand alone */
fa3d07e4
AN
610 if (vifs->p2p_active && !vifs->bss_active && !vifs->ap_active &&
611 !vifs->p2p_tdls) {
19889025
AA
612 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_P2P_PM)
613 p2p_mvmvif->pm_enabled = true;
614 return;
615 }
616
617 if (vifs->bss_active && vifs->p2p_active)
618 client_same_channel = (bss_mvmvif->phy_ctxt->id ==
619 p2p_mvmvif->phy_ctxt->id);
620 if (vifs->bss_active && vifs->ap_active)
621 ap_same_channel = (bss_mvmvif->phy_ctxt->id ==
622 ap_mvmvif->phy_ctxt->id);
623
63ef81cf
AA
624 /* clients are not stand alone: enable PM if DCM */
625 if (!(client_same_channel || ap_same_channel) &&
19889025 626 (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BSS_P2P_PS_DCM)) {
63ef81cf 627 if (vifs->bss_active)
19889025 628 bss_mvmvif->pm_enabled = true;
63ef81cf
AA
629 if (vifs->p2p_active &&
630 (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_P2P_PM))
631 p2p_mvmvif->pm_enabled = true;
632 return;
19889025
AA
633 }
634
635 /*
636 * There is only one channel in the system and there are only
637 * bss and p2p clients that share it
638 */
639 if (client_same_channel && !vifs->ap_active &&
640 (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BSS_P2P_PS_SCM)) {
641 /* share same channel*/
642 bss_mvmvif->pm_enabled = true;
643 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_P2P_PM)
644 p2p_mvmvif->pm_enabled = true;
645 }
1c2abf72
AB
646}
647
b571a697 648#ifdef CONFIG_IWLWIFI_DEBUGFS
c1cb92fc
EG
649int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm,
650 struct ieee80211_vif *vif, char *buf,
651 int bufsz)
e811ada7 652{
474b50c3 653 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
e811ada7
AB
654 struct iwl_mac_power_cmd cmd = {};
655 int pos = 0;
656
474b50c3
EG
657 mutex_lock(&mvm->mutex);
658 memcpy(&cmd, &mvmvif->mac_pwr_cmd, sizeof(cmd));
659 mutex_unlock(&mvm->mutex);
e811ada7 660
e811ada7
AB
661 pos += scnprintf(buf+pos, bufsz-pos, "power_scheme = %d\n",
662 iwlmvm_mod_params.power_scheme);
663 pos += scnprintf(buf+pos, bufsz-pos, "flags = 0x%x\n",
664 le16_to_cpu(cmd.flags));
665 pos += scnprintf(buf+pos, bufsz-pos, "keep_alive = %d\n",
666 le16_to_cpu(cmd.keep_alive_seconds));
667
175a70b7
AB
668 if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK)))
669 return pos;
670
671 pos += scnprintf(buf+pos, bufsz-pos, "skip_over_dtim = %d\n",
672 (cmd.flags &
673 cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK)) ? 1 : 0);
674 pos += scnprintf(buf+pos, bufsz-pos, "skip_dtim_periods = %d\n",
675 cmd.skip_dtim_periods);
676 if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK))) {
677 pos += scnprintf(buf+pos, bufsz-pos, "rx_data_timeout = %d\n",
678 le32_to_cpu(cmd.rx_data_timeout));
679 pos += scnprintf(buf+pos, bufsz-pos, "tx_data_timeout = %d\n",
680 le32_to_cpu(cmd.tx_data_timeout));
e811ada7 681 }
175a70b7
AB
682 if (cmd.flags & cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK))
683 pos += scnprintf(buf+pos, bufsz-pos,
684 "lprx_rssi_threshold = %d\n",
685 cmd.lprx_rssi_threshold);
686
687 if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK)))
688 return pos;
689
690 pos += scnprintf(buf+pos, bufsz-pos, "rx_data_timeout_uapsd = %d\n",
691 le32_to_cpu(cmd.rx_data_timeout_uapsd));
692 pos += scnprintf(buf+pos, bufsz-pos, "tx_data_timeout_uapsd = %d\n",
693 le32_to_cpu(cmd.tx_data_timeout_uapsd));
694 pos += scnprintf(buf+pos, bufsz-pos, "qndp_tid = %d\n", cmd.qndp_tid);
695 pos += scnprintf(buf+pos, bufsz-pos, "uapsd_ac_flags = 0x%x\n",
696 cmd.uapsd_ac_flags);
697 pos += scnprintf(buf+pos, bufsz-pos, "uapsd_max_sp = %d\n",
698 cmd.uapsd_max_sp);
699 pos += scnprintf(buf+pos, bufsz-pos, "heavy_tx_thld_packets = %d\n",
700 cmd.heavy_tx_thld_packets);
701 pos += scnprintf(buf+pos, bufsz-pos, "heavy_rx_thld_packets = %d\n",
702 cmd.heavy_rx_thld_packets);
703 pos += scnprintf(buf+pos, bufsz-pos, "heavy_tx_thld_percentage = %d\n",
704 cmd.heavy_tx_thld_percentage);
705 pos += scnprintf(buf+pos, bufsz-pos, "heavy_rx_thld_percentage = %d\n",
706 cmd.heavy_rx_thld_percentage);
707 pos += scnprintf(buf+pos, bufsz-pos, "uapsd_misbehaving_enable = %d\n",
708 (cmd.flags &
709 cpu_to_le16(POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK)) ?
710 1 : 0);
711
712 if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)))
713 return pos;
714
715 pos += scnprintf(buf+pos, bufsz-pos, "snooze_interval = %d\n",
716 cmd.snooze_interval);
717 pos += scnprintf(buf+pos, bufsz-pos, "snooze_window = %d\n",
718 cmd.snooze_window);
719
e811ada7
AB
720 return pos;
721}
722
b571a697
AB
723void
724iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
725 struct iwl_beacon_filter_cmd *cmd)
726{
727 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
728 struct iwl_dbgfs_bf *dbgfs_bf = &mvmvif->dbgfs_bf;
729
730 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ENERGY_DELTA)
5dca7c24 731 cmd->bf_energy_delta = cpu_to_le32(dbgfs_bf->bf_energy_delta);
b571a697
AB
732 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA)
733 cmd->bf_roaming_energy_delta =
5dca7c24 734 cpu_to_le32(dbgfs_bf->bf_roaming_energy_delta);
b571a697 735 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ROAMING_STATE)
5dca7c24
HG
736 cmd->bf_roaming_state = cpu_to_le32(dbgfs_bf->bf_roaming_state);
737 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_THRESHOLD)
738 cmd->bf_temp_threshold =
739 cpu_to_le32(dbgfs_bf->bf_temp_threshold);
740 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_FAST_FILTER)
741 cmd->bf_temp_fast_filter =
742 cpu_to_le32(dbgfs_bf->bf_temp_fast_filter);
743 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_SLOW_FILTER)
744 cmd->bf_temp_slow_filter =
745 cpu_to_le32(dbgfs_bf->bf_temp_slow_filter);
b571a697 746 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_DEBUG_FLAG)
5dca7c24 747 cmd->bf_debug_flag = cpu_to_le32(dbgfs_bf->bf_debug_flag);
b571a697
AB
748 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ESCAPE_TIMER)
749 cmd->bf_escape_timer = cpu_to_le32(dbgfs_bf->bf_escape_timer);
750 if (dbgfs_bf->mask & MVM_DEBUGFS_BA_ESCAPE_TIMER)
751 cmd->ba_escape_timer = cpu_to_le32(dbgfs_bf->ba_escape_timer);
752 if (dbgfs_bf->mask & MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT)
5dca7c24
HG
753 cmd->ba_enable_beacon_abort =
754 cpu_to_le32(dbgfs_bf->ba_enable_beacon_abort);
b571a697
AB
755}
756#endif
757
3dd37d05
EP
758static int _iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
759 struct ieee80211_vif *vif,
760 struct iwl_beacon_filter_cmd *cmd,
761 u32 cmd_flags,
762 bool d0i3)
7df15b1e
HG
763{
764 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
071d4990 765 int ret;
7df15b1e 766
fa7b2e7f 767 if (mvmvif != mvm->bf_allowed_vif || !vif->bss_conf.dtim_period ||
7df15b1e
HG
768 vif->type != NL80211_IFTYPE_STATION || vif->p2p)
769 return 0;
770
3dd37d05
EP
771 iwl_mvm_beacon_filter_set_cqm_params(mvm, vif, cmd);
772 if (!d0i3)
773 iwl_mvm_beacon_filter_debugfs_parameters(vif, cmd);
774 ret = iwl_mvm_beacon_filter_send_cmd(mvm, cmd, cmd_flags);
071d4990 775
3dd37d05
EP
776 /* don't change bf_enabled in case of temporary d0i3 configuration */
777 if (!ret && !d0i3)
a20fd398 778 mvmvif->bf_data.bf_enabled = true;
071d4990
AB
779
780 return ret;
7df15b1e
HG
781}
782
3dd37d05
EP
783int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
784 struct ieee80211_vif *vif,
785 u32 flags)
786{
787 struct iwl_beacon_filter_cmd cmd = {
788 IWL_BF_CMD_CONFIG_DEFAULTS,
789 .bf_enable_beacon_filter = cpu_to_le32(1),
790 };
791
792 return _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd, flags, false);
793}
794
13b72322
EG
795static int iwl_mvm_update_beacon_abort(struct iwl_mvm *mvm,
796 struct ieee80211_vif *vif,
797 bool enable)
fa7b2e7f
AA
798{
799 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
800 struct iwl_beacon_filter_cmd cmd = {
801 IWL_BF_CMD_CONFIG_DEFAULTS,
802 .bf_enable_beacon_filter = cpu_to_le32(1),
803 };
804
805 if (!mvmvif->bf_data.bf_enabled)
806 return 0;
807
808 if (mvm->cur_ucode == IWL_UCODE_WOWLAN)
809 cmd.ba_escape_timer = cpu_to_le32(IWL_BA_ESCAPE_TIMER_D3);
810
811 mvmvif->bf_data.ba_enabled = enable;
812 return _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd, 0, false);
813}
814
7df15b1e 815int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
3dd37d05
EP
816 struct ieee80211_vif *vif,
817 u32 flags)
7df15b1e 818{
071d4990
AB
819 struct iwl_beacon_filter_cmd cmd = {};
820 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
821 int ret;
7df15b1e 822
73e5f2c5 823 if (vif->type != NL80211_IFTYPE_STATION || vif->p2p)
7df15b1e
HG
824 return 0;
825
3dd37d05 826 ret = iwl_mvm_beacon_filter_send_cmd(mvm, &cmd, flags);
071d4990
AB
827
828 if (!ret)
a20fd398 829 mvmvif->bf_data.bf_enabled = false;
071d4990
AB
830
831 return ret;
7df15b1e 832}
e811ada7 833
128aa948
LC
834static int iwl_mvm_power_set_ps(struct iwl_mvm *mvm,
835 struct iwl_power_vifs *vifs)
13b72322 836{
128aa948 837 bool disable_ps;
13b72322
EG
838 int ret;
839
13b72322 840 /* disable PS if CAM */
b1873300
LC
841 disable_ps = (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM);
842 /* ...or if there is an active monitor vif */
128aa948 843 disable_ps |= (vifs->monitor_vif && vifs->monitor_active);
b1873300
LC
844
845 /* update device power state if it has changed */
846 if (mvm->ps_disabled != disable_ps) {
847 bool old_ps_disabled = mvm->ps_disabled;
848
849 mvm->ps_disabled = disable_ps;
850 ret = iwl_mvm_power_update_device(mvm);
851 if (ret) {
852 mvm->ps_disabled = old_ps_disabled;
853 return ret;
13b72322
EG
854 }
855 }
856
128aa948
LC
857 return 0;
858}
859
ef9203d2
LC
860static int iwl_mvm_power_set_ba(struct iwl_mvm *mvm,
861 struct iwl_power_vifs *vifs)
128aa948
LC
862{
863 struct iwl_mvm_vif *mvmvif;
ef9203d2
LC
864 bool ba_enable;
865
866 if (!vifs->bf_vif)
867 return 0;
868
869 mvmvif = iwl_mvm_vif_from_mac80211(vifs->bf_vif);
870
871 ba_enable = !(!mvmvif->pm_enabled || mvm->ps_disabled ||
872 !vifs->bf_vif->bss_conf.ps ||
873 iwl_mvm_vif_low_latency(mvmvif));
874
875 return iwl_mvm_update_beacon_abort(mvm, vifs->bf_vif, ba_enable);
876}
877
878int iwl_mvm_power_update_ps(struct iwl_mvm *mvm)
879{
880 struct iwl_power_vifs vifs = {
881 .mvm = mvm,
882 };
883 int ret;
884
885 lockdep_assert_held(&mvm->mutex);
886
887 /* get vifs info */
888 ieee80211_iterate_active_interfaces_atomic(mvm->hw,
889 IEEE80211_IFACE_ITER_NORMAL,
890 iwl_mvm_power_get_vifs_iterator, &vifs);
891
892 ret = iwl_mvm_power_set_ps(mvm, &vifs);
893 if (ret)
894 return ret;
895
896 return iwl_mvm_power_set_ba(mvm, &vifs);
897}
898
899int iwl_mvm_power_update_mac(struct iwl_mvm *mvm)
900{
128aa948
LC
901 struct iwl_power_vifs vifs = {
902 .mvm = mvm,
903 };
128aa948
LC
904 int ret;
905
906 lockdep_assert_held(&mvm->mutex);
907
908 /* get vifs info */
909 ieee80211_iterate_active_interfaces_atomic(mvm->hw,
910 IEEE80211_IFACE_ITER_NORMAL,
911 iwl_mvm_power_get_vifs_iterator, &vifs);
912
913 iwl_mvm_power_set_pm(mvm, &vifs);
914
915 ret = iwl_mvm_power_set_ps(mvm, &vifs);
916 if (ret)
917 return ret;
918
13b72322
EG
919 if (vifs.bss_vif) {
920 ret = iwl_mvm_power_send_cmd(mvm, vifs.bss_vif);
921 if (ret)
922 return ret;
923 }
924
925 if (vifs.p2p_vif) {
926 ret = iwl_mvm_power_send_cmd(mvm, vifs.p2p_vif);
927 if (ret)
928 return ret;
929 }
930
ef9203d2 931 return iwl_mvm_power_set_ba(mvm, &vifs);
13b72322
EG
932}
933
3dd37d05
EP
934int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm,
935 struct ieee80211_vif *vif,
936 bool enable, u32 flags)
937{
938 int ret;
939 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
940 struct iwl_mac_power_cmd cmd = {};
941
942 if (vif->type != NL80211_IFTYPE_STATION || vif->p2p)
943 return 0;
944
945 if (!vif->bss_conf.assoc)
946 return 0;
947
948 iwl_mvm_power_build_cmd(mvm, vif, &cmd);
949 if (enable) {
950 /* configure skip over dtim up to 300 msec */
951 int dtimper = mvm->hw->conf.ps_dtim_period ?: 1;
952 int dtimper_msec = dtimper * vif->bss_conf.beacon_int;
953
954 if (WARN_ON(!dtimper_msec))
955 return 0;
956
3dd37d05 957 cmd.skip_dtim_periods = 300 / dtimper_msec;
6f361058
EP
958 if (cmd.skip_dtim_periods)
959 cmd.flags |=
960 cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK);
3dd37d05
EP
961 }
962 iwl_mvm_power_log(mvm, &cmd);
474b50c3
EG
963#ifdef CONFIG_IWLWIFI_DEBUGFS
964 memcpy(&mvmvif->mac_pwr_cmd, &cmd, sizeof(cmd));
965#endif
3dd37d05
EP
966 ret = iwl_mvm_send_cmd_pdu(mvm, MAC_PM_POWER_TABLE, flags,
967 sizeof(cmd), &cmd);
968 if (ret)
969 return ret;
970
971 /* configure beacon filtering */
972 if (mvmvif != mvm->bf_allowed_vif)
973 return 0;
974
975 if (enable) {
976 struct iwl_beacon_filter_cmd cmd_bf = {
977 IWL_BF_CMD_CONFIG_D0I3,
978 .bf_enable_beacon_filter = cpu_to_le32(1),
979 };
980 ret = _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd_bf,
981 flags, true);
982 } else {
983 if (mvmvif->bf_data.bf_enabled)
984 ret = iwl_mvm_enable_beacon_filter(mvm, vif, flags);
985 else
986 ret = iwl_mvm_disable_beacon_filter(mvm, vif, flags);
987 }
988
989 return ret;
990}
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