1 /******************************************************************************
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.
8 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
9 * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
10 * Copyright(c) 2015 - 2017 Intel Deutschland GmbH
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.
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.
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,
26 * The full GNU General Public License is included in this distribution
27 * in the file called COPYING.
29 * Contact Information:
30 * Intel Linux Wireless <linuxwifi@intel.com>
31 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
35 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
36 * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
37 * Copyright(c) 2015 - 2017 Intel Deutschland GmbH
38 * All rights reserved.
40 * Redistribution and use in source and binary forms, with or without
41 * modification, are permitted provided that the following conditions
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
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.
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,
59 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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.
66 *****************************************************************************/
68 #include <linux/kernel.h>
69 #include <linux/module.h>
70 #include <linux/slab.h>
71 #include <linux/etherdevice.h>
73 #include <net/mac80211.h>
75 #include "iwl-debug.h"
77 #include "iwl-modparams.h"
78 #include "fw-api-power.h"
80 #define POWER_KEEP_ALIVE_PERIOD_SEC 25
83 int iwl_mvm_beacon_filter_send_cmd(struct iwl_mvm
*mvm
,
84 struct iwl_beacon_filter_cmd
*cmd
,
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
));
110 return iwl_mvm_send_cmd_pdu(mvm
, REPLY_BEACON_FILTERING_CMD
, flags
,
111 sizeof(struct iwl_beacon_filter_cmd
), cmd
);
115 void iwl_mvm_beacon_filter_set_cqm_params(struct iwl_mvm
*mvm
,
116 struct ieee80211_vif
*vif
,
117 struct iwl_beacon_filter_cmd
*cmd
,
120 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
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
);
129 cmd
->ba_enable_beacon_abort
= cpu_to_le32(mvmvif
->bf_data
.ba_enabled
);
132 static void iwl_mvm_power_log(struct iwl_mvm
*mvm
,
133 struct iwl_mac_power_cmd
*cmd
)
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
));
142 if (!(cmd
->flags
& cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK
))) {
143 IWL_DEBUG_POWER(mvm
, "Disable power management\n");
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
);
169 static void iwl_mvm_power_configure_uapsd(struct iwl_mvm
*mvm
,
170 struct ieee80211_vif
*vif
,
171 struct iwl_mac_power_cmd
*cmd
)
173 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
174 enum ieee80211_ac_numbers ac
;
175 bool tid_found
= false;
177 #ifdef CONFIG_IWLWIFI_DEBUGFS
178 /* set advanced pm flag with no uapsd ACs to enable ps-poll */
179 if (mvmvif
->dbgfs_pm
.use_ps_poll
) {
180 cmd
->flags
|= cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK
);
185 for (ac
= IEEE80211_AC_VO
; ac
<= IEEE80211_AC_BK
; ac
++) {
186 if (!mvmvif
->queue_params
[ac
].uapsd
)
189 if (mvm
->fwrt
.cur_fw_img
!= IWL_UCODE_WOWLAN
)
191 cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK
);
193 cmd
->uapsd_ac_flags
|= BIT(ac
);
195 /* QNDP TID - the highest TID with no admission control */
196 if (!tid_found
&& !mvmvif
->queue_params
[ac
].acm
) {
199 case IEEE80211_AC_VO
:
202 case IEEE80211_AC_VI
:
205 case IEEE80211_AC_BE
:
208 case IEEE80211_AC_BK
:
215 cmd
->flags
|= cpu_to_le16(POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK
);
217 if (cmd
->uapsd_ac_flags
== (BIT(IEEE80211_AC_VO
) |
218 BIT(IEEE80211_AC_VI
) |
219 BIT(IEEE80211_AC_BE
) |
220 BIT(IEEE80211_AC_BK
))) {
221 cmd
->flags
|= cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK
);
222 cmd
->snooze_interval
= cpu_to_le16(IWL_MVM_PS_SNOOZE_INTERVAL
);
224 (mvm
->fwrt
.cur_fw_img
== IWL_UCODE_WOWLAN
) ?
225 cpu_to_le16(IWL_MVM_WOWLAN_PS_SNOOZE_WINDOW
) :
226 cpu_to_le16(IWL_MVM_PS_SNOOZE_WINDOW
);
229 cmd
->uapsd_max_sp
= mvm
->hw
->uapsd_max_sp_len
;
231 if (mvm
->fwrt
.cur_fw_img
== IWL_UCODE_WOWLAN
|| cmd
->flags
&
232 cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK
)) {
233 cmd
->rx_data_timeout_uapsd
=
234 cpu_to_le32(IWL_MVM_WOWLAN_PS_RX_DATA_TIMEOUT
);
235 cmd
->tx_data_timeout_uapsd
=
236 cpu_to_le32(IWL_MVM_WOWLAN_PS_TX_DATA_TIMEOUT
);
238 cmd
->rx_data_timeout_uapsd
=
239 cpu_to_le32(IWL_MVM_UAPSD_RX_DATA_TIMEOUT
);
240 cmd
->tx_data_timeout_uapsd
=
241 cpu_to_le32(IWL_MVM_UAPSD_TX_DATA_TIMEOUT
);
244 if (cmd
->flags
& cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK
)) {
245 cmd
->heavy_tx_thld_packets
=
246 IWL_MVM_PS_SNOOZE_HEAVY_TX_THLD_PACKETS
;
247 cmd
->heavy_rx_thld_packets
=
248 IWL_MVM_PS_SNOOZE_HEAVY_RX_THLD_PACKETS
;
250 cmd
->heavy_tx_thld_packets
=
251 IWL_MVM_PS_HEAVY_TX_THLD_PACKETS
;
252 cmd
->heavy_rx_thld_packets
=
253 IWL_MVM_PS_HEAVY_RX_THLD_PACKETS
;
255 cmd
->heavy_tx_thld_percentage
=
256 IWL_MVM_PS_HEAVY_TX_THLD_PERCENT
;
257 cmd
->heavy_rx_thld_percentage
=
258 IWL_MVM_PS_HEAVY_RX_THLD_PERCENT
;
261 static void iwl_mvm_p2p_standalone_iterator(void *_data
, u8
*mac
,
262 struct ieee80211_vif
*vif
)
264 bool *is_p2p_standalone
= _data
;
266 switch (ieee80211_vif_type_p2p(vif
)) {
267 case NL80211_IFTYPE_P2P_GO
:
268 case NL80211_IFTYPE_AP
:
269 *is_p2p_standalone
= false;
271 case NL80211_IFTYPE_STATION
:
272 if (vif
->bss_conf
.assoc
)
273 *is_p2p_standalone
= false;
281 static bool iwl_mvm_power_allow_uapsd(struct iwl_mvm
*mvm
,
282 struct ieee80211_vif
*vif
)
284 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
286 if (!memcmp(mvmvif
->uapsd_misbehaving_bssid
, vif
->bss_conf
.bssid
,
291 * Avoid using uAPSD if P2P client is associated to GO that uses
292 * opportunistic power save. This is due to current FW limitation.
295 (vif
->bss_conf
.p2p_noa_attr
.oppps_ctwindow
&
296 IEEE80211_P2P_OPPPS_ENABLE_BIT
))
300 * Avoid using uAPSD if client is in DCM -
301 * low latency issue in Miracast
303 if (iwl_mvm_phy_ctx_count(mvm
) >= 2)
307 /* Allow U-APSD only if p2p is stand alone */
308 bool is_p2p_standalone
= true;
310 if (!iwl_mvm_is_p2p_scm_uapsd_supported(mvm
))
313 ieee80211_iterate_active_interfaces_atomic(mvm
->hw
,
314 IEEE80211_IFACE_ITER_NORMAL
,
315 iwl_mvm_p2p_standalone_iterator
,
318 if (!is_p2p_standalone
)
325 static bool iwl_mvm_power_is_radar(struct ieee80211_vif
*vif
)
327 struct ieee80211_chanctx_conf
*chanctx_conf
;
328 struct ieee80211_channel
*chan
;
329 bool radar_detect
= false;
332 chanctx_conf
= rcu_dereference(vif
->chanctx_conf
);
333 WARN_ON(!chanctx_conf
);
335 chan
= chanctx_conf
->def
.chan
;
336 radar_detect
= chan
->flags
& IEEE80211_CHAN_RADAR
;
343 static void iwl_mvm_power_config_skip_dtim(struct iwl_mvm
*mvm
,
344 struct ieee80211_vif
*vif
,
345 struct iwl_mac_power_cmd
*cmd
,
348 int dtimper
= vif
->bss_conf
.dtim_period
?: 1;
351 /* disable, in case we're supposed to override */
352 cmd
->skip_dtim_periods
= 0;
353 cmd
->flags
&= ~cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK
);
355 if (iwl_mvm_power_is_radar(vif
))
361 /* TODO: check that multicast wake lock is off */
364 if (iwlmvm_mod_params
.power_scheme
!= IWL_POWER_SCHEME_LP
)
368 int dtimper_tu
= dtimper
* vif
->bss_conf
.beacon_int
;
370 if (WARN_ON(!dtimper_tu
))
372 /* configure skip over dtim up to 306TU - 314 msec */
373 skip
= max_t(u8
, 1, 306 / dtimper_tu
);
376 /* the firmware really expects "look at every X DTIMs", so add 1 */
377 cmd
->skip_dtim_periods
= 1 + skip
;
378 cmd
->flags
|= cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK
);
381 static void iwl_mvm_power_build_cmd(struct iwl_mvm
*mvm
,
382 struct ieee80211_vif
*vif
,
383 struct iwl_mac_power_cmd
*cmd
,
388 struct iwl_mvm_vif
*mvmvif __maybe_unused
=
389 iwl_mvm_vif_from_mac80211(vif
);
391 cmd
->id_and_color
= cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif
->id
,
393 dtimper
= vif
->bss_conf
.dtim_period
;
394 bi
= vif
->bss_conf
.beacon_int
;
397 * Regardless of power management state the driver must set
398 * keep alive period. FW will use it for sending keep alive NDPs
399 * immediately after association. Check that keep alive period
400 * is at least 3 * DTIM
402 keep_alive
= DIV_ROUND_UP(ieee80211_tu_to_usec(3 * dtimper
* bi
),
404 keep_alive
= max(keep_alive
, POWER_KEEP_ALIVE_PERIOD_SEC
);
405 cmd
->keep_alive_seconds
= cpu_to_le16(keep_alive
);
407 if (mvm
->ps_disabled
)
410 cmd
->flags
|= cpu_to_le16(POWER_FLAGS_POWER_SAVE_ENA_MSK
);
412 if (!vif
->bss_conf
.ps
|| !mvmvif
->pm_enabled
)
415 if (iwl_mvm_vif_low_latency(mvmvif
) && vif
->p2p
&&
416 (!fw_has_capa(&mvm
->fw
->ucode_capa
,
417 IWL_UCODE_TLV_CAPA_SHORT_PM_TIMEOUTS
) ||
418 !IWL_MVM_P2P_LOWLATENCY_PS_ENABLE
))
421 cmd
->flags
|= cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK
);
423 if (vif
->bss_conf
.beacon_rate
&&
424 (vif
->bss_conf
.beacon_rate
->bitrate
== 10 ||
425 vif
->bss_conf
.beacon_rate
->bitrate
== 60)) {
426 cmd
->flags
|= cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK
);
427 cmd
->lprx_rssi_threshold
= POWER_LPRX_RSSI_THRESHOLD
;
430 iwl_mvm_power_config_skip_dtim(mvm
, vif
, cmd
, host_awake
);
433 cmd
->rx_data_timeout
=
434 cpu_to_le32(IWL_MVM_WOWLAN_PS_RX_DATA_TIMEOUT
);
435 cmd
->tx_data_timeout
=
436 cpu_to_le32(IWL_MVM_WOWLAN_PS_TX_DATA_TIMEOUT
);
437 } else if (iwl_mvm_vif_low_latency(mvmvif
) && vif
->p2p
&&
438 fw_has_capa(&mvm
->fw
->ucode_capa
,
439 IWL_UCODE_TLV_CAPA_SHORT_PM_TIMEOUTS
)) {
440 cmd
->tx_data_timeout
=
441 cpu_to_le32(IWL_MVM_SHORT_PS_TX_DATA_TIMEOUT
);
442 cmd
->rx_data_timeout
=
443 cpu_to_le32(IWL_MVM_SHORT_PS_RX_DATA_TIMEOUT
);
445 cmd
->rx_data_timeout
=
446 cpu_to_le32(IWL_MVM_DEFAULT_PS_RX_DATA_TIMEOUT
);
447 cmd
->tx_data_timeout
=
448 cpu_to_le32(IWL_MVM_DEFAULT_PS_TX_DATA_TIMEOUT
);
451 if (iwl_mvm_power_allow_uapsd(mvm
, vif
))
452 iwl_mvm_power_configure_uapsd(mvm
, vif
, cmd
);
454 #ifdef CONFIG_IWLWIFI_DEBUGFS
455 if (mvmvif
->dbgfs_pm
.mask
& MVM_DEBUGFS_PM_KEEP_ALIVE
)
456 cmd
->keep_alive_seconds
=
457 cpu_to_le16(mvmvif
->dbgfs_pm
.keep_alive_seconds
);
458 if (mvmvif
->dbgfs_pm
.mask
& MVM_DEBUGFS_PM_SKIP_OVER_DTIM
) {
459 if (mvmvif
->dbgfs_pm
.skip_over_dtim
)
461 cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK
);
464 cpu_to_le16(~POWER_FLAGS_SKIP_OVER_DTIM_MSK
);
466 if (mvmvif
->dbgfs_pm
.mask
& MVM_DEBUGFS_PM_RX_DATA_TIMEOUT
)
467 cmd
->rx_data_timeout
=
468 cpu_to_le32(mvmvif
->dbgfs_pm
.rx_data_timeout
);
469 if (mvmvif
->dbgfs_pm
.mask
& MVM_DEBUGFS_PM_TX_DATA_TIMEOUT
)
470 cmd
->tx_data_timeout
=
471 cpu_to_le32(mvmvif
->dbgfs_pm
.tx_data_timeout
);
472 if (mvmvif
->dbgfs_pm
.mask
& MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS
)
473 cmd
->skip_dtim_periods
= mvmvif
->dbgfs_pm
.skip_dtim_periods
;
474 if (mvmvif
->dbgfs_pm
.mask
& MVM_DEBUGFS_PM_LPRX_ENA
) {
475 if (mvmvif
->dbgfs_pm
.lprx_ena
)
476 cmd
->flags
|= cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK
);
478 cmd
->flags
&= cpu_to_le16(~POWER_FLAGS_LPRX_ENA_MSK
);
480 if (mvmvif
->dbgfs_pm
.mask
& MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD
)
481 cmd
->lprx_rssi_threshold
= mvmvif
->dbgfs_pm
.lprx_rssi_threshold
;
482 if (mvmvif
->dbgfs_pm
.mask
& MVM_DEBUGFS_PM_SNOOZE_ENABLE
) {
483 if (mvmvif
->dbgfs_pm
.snooze_ena
)
485 cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK
);
488 cpu_to_le16(~POWER_FLAGS_SNOOZE_ENA_MSK
);
490 if (mvmvif
->dbgfs_pm
.mask
& MVM_DEBUGFS_PM_UAPSD_MISBEHAVING
) {
491 u16 flag
= POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK
;
492 if (mvmvif
->dbgfs_pm
.uapsd_misbehaving
)
493 cmd
->flags
|= cpu_to_le16(flag
);
495 cmd
->flags
&= cpu_to_le16(flag
);
497 #endif /* CONFIG_IWLWIFI_DEBUGFS */
500 static int iwl_mvm_power_send_cmd(struct iwl_mvm
*mvm
,
501 struct ieee80211_vif
*vif
)
503 struct iwl_mac_power_cmd cmd
= {};
505 iwl_mvm_power_build_cmd(mvm
, vif
, &cmd
,
506 mvm
->fwrt
.cur_fw_img
!= IWL_UCODE_WOWLAN
);
507 iwl_mvm_power_log(mvm
, &cmd
);
508 #ifdef CONFIG_IWLWIFI_DEBUGFS
509 memcpy(&iwl_mvm_vif_from_mac80211(vif
)->mac_pwr_cmd
, &cmd
, sizeof(cmd
));
512 return iwl_mvm_send_cmd_pdu(mvm
, MAC_PM_POWER_TABLE
, 0,
516 int iwl_mvm_power_update_device(struct iwl_mvm
*mvm
)
518 struct iwl_device_power_cmd cmd
= {
522 if (iwlmvm_mod_params
.power_scheme
== IWL_POWER_SCHEME_CAM
)
523 mvm
->ps_disabled
= true;
525 if (!mvm
->ps_disabled
)
526 cmd
.flags
|= cpu_to_le16(DEVICE_POWER_FLAGS_POWER_SAVE_ENA_MSK
);
528 #ifdef CONFIG_IWLWIFI_DEBUGFS
529 if ((mvm
->fwrt
.cur_fw_img
== IWL_UCODE_WOWLAN
) ?
530 mvm
->disable_power_off_d3
: mvm
->disable_power_off
)
532 cpu_to_le16(~DEVICE_POWER_FLAGS_POWER_SAVE_ENA_MSK
);
535 "Sending device power command with flags = 0x%X\n",
538 return iwl_mvm_send_cmd_pdu(mvm
, POWER_TABLE_CMD
, 0, sizeof(cmd
),
542 void iwl_mvm_power_vif_assoc(struct iwl_mvm
*mvm
, struct ieee80211_vif
*vif
)
544 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
546 if (memcmp(vif
->bss_conf
.bssid
, mvmvif
->uapsd_misbehaving_bssid
,
548 eth_zero_addr(mvmvif
->uapsd_misbehaving_bssid
);
551 static void iwl_mvm_power_uapsd_misbehav_ap_iterator(void *_data
, u8
*mac
,
552 struct ieee80211_vif
*vif
)
554 u8
*ap_sta_id
= _data
;
555 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
557 /* The ap_sta_id is not expected to change during current association
558 * so no explicit protection is needed
560 if (mvmvif
->ap_sta_id
== *ap_sta_id
)
561 memcpy(mvmvif
->uapsd_misbehaving_bssid
, vif
->bss_conf
.bssid
,
565 void iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm
*mvm
,
566 struct iwl_rx_cmd_buffer
*rxb
)
568 struct iwl_rx_packet
*pkt
= rxb_addr(rxb
);
569 struct iwl_uapsd_misbehaving_ap_notif
*notif
= (void *)pkt
->data
;
570 u8 ap_sta_id
= le32_to_cpu(notif
->sta_id
);
572 ieee80211_iterate_active_interfaces_atomic(
573 mvm
->hw
, IEEE80211_IFACE_ITER_NORMAL
,
574 iwl_mvm_power_uapsd_misbehav_ap_iterator
, &ap_sta_id
);
577 struct iwl_power_vifs
{
579 struct ieee80211_vif
*bss_vif
;
580 struct ieee80211_vif
*p2p_vif
;
581 struct ieee80211_vif
*ap_vif
;
582 struct ieee80211_vif
*monitor_vif
;
589 static void iwl_mvm_power_disable_pm_iterator(void *_data
, u8
* mac
,
590 struct ieee80211_vif
*vif
)
592 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
594 mvmvif
->pm_enabled
= false;
597 static void iwl_mvm_power_ps_disabled_iterator(void *_data
, u8
* mac
,
598 struct ieee80211_vif
*vif
)
600 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
601 bool *disable_ps
= _data
;
603 if (mvmvif
->phy_ctxt
&& mvmvif
->phy_ctxt
->id
< NUM_PHY_CTX
)
604 *disable_ps
|= mvmvif
->ps_disabled
;
607 static void iwl_mvm_power_get_vifs_iterator(void *_data
, u8
*mac
,
608 struct ieee80211_vif
*vif
)
610 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
611 struct iwl_power_vifs
*power_iterator
= _data
;
612 bool active
= mvmvif
->phy_ctxt
&& mvmvif
->phy_ctxt
->id
< NUM_PHY_CTX
;
614 switch (ieee80211_vif_type_p2p(vif
)) {
615 case NL80211_IFTYPE_P2P_DEVICE
:
618 case NL80211_IFTYPE_P2P_GO
:
619 case NL80211_IFTYPE_AP
:
620 /* only a single MAC of the same type */
621 WARN_ON(power_iterator
->ap_vif
);
622 power_iterator
->ap_vif
= vif
;
624 power_iterator
->ap_active
= true;
627 case NL80211_IFTYPE_MONITOR
:
628 /* only a single MAC of the same type */
629 WARN_ON(power_iterator
->monitor_vif
);
630 power_iterator
->monitor_vif
= vif
;
632 power_iterator
->monitor_active
= true;
635 case NL80211_IFTYPE_P2P_CLIENT
:
636 /* only a single MAC of the same type */
637 WARN_ON(power_iterator
->p2p_vif
);
638 power_iterator
->p2p_vif
= vif
;
640 power_iterator
->p2p_active
= true;
643 case NL80211_IFTYPE_STATION
:
644 power_iterator
->bss_vif
= vif
;
646 power_iterator
->bss_active
= true;
654 static void iwl_mvm_power_set_pm(struct iwl_mvm
*mvm
,
655 struct iwl_power_vifs
*vifs
)
657 struct iwl_mvm_vif
*bss_mvmvif
= NULL
;
658 struct iwl_mvm_vif
*p2p_mvmvif
= NULL
;
659 struct iwl_mvm_vif
*ap_mvmvif
= NULL
;
660 bool client_same_channel
= false;
661 bool ap_same_channel
= false;
663 lockdep_assert_held(&mvm
->mutex
);
665 /* set pm_enable to false */
666 ieee80211_iterate_active_interfaces_atomic(mvm
->hw
,
667 IEEE80211_IFACE_ITER_NORMAL
,
668 iwl_mvm_power_disable_pm_iterator
,
672 bss_mvmvif
= iwl_mvm_vif_from_mac80211(vifs
->bss_vif
);
675 p2p_mvmvif
= iwl_mvm_vif_from_mac80211(vifs
->p2p_vif
);
678 ap_mvmvif
= iwl_mvm_vif_from_mac80211(vifs
->ap_vif
);
680 /* don't allow PM if any TDLS stations exist */
681 if (iwl_mvm_tdls_sta_count(mvm
, NULL
))
684 /* enable PM on bss if bss stand alone */
685 if (vifs
->bss_active
&& !vifs
->p2p_active
&& !vifs
->ap_active
) {
686 bss_mvmvif
->pm_enabled
= true;
690 /* enable PM on p2p if p2p stand alone */
691 if (vifs
->p2p_active
&& !vifs
->bss_active
&& !vifs
->ap_active
) {
692 p2p_mvmvif
->pm_enabled
= true;
696 if (vifs
->bss_active
&& vifs
->p2p_active
)
697 client_same_channel
= (bss_mvmvif
->phy_ctxt
->id
==
698 p2p_mvmvif
->phy_ctxt
->id
);
699 if (vifs
->bss_active
&& vifs
->ap_active
)
700 ap_same_channel
= (bss_mvmvif
->phy_ctxt
->id
==
701 ap_mvmvif
->phy_ctxt
->id
);
703 /* clients are not stand alone: enable PM if DCM */
704 if (!(client_same_channel
|| ap_same_channel
)) {
705 if (vifs
->bss_active
)
706 bss_mvmvif
->pm_enabled
= true;
707 if (vifs
->p2p_active
)
708 p2p_mvmvif
->pm_enabled
= true;
713 * There is only one channel in the system and there are only
714 * bss and p2p clients that share it
716 if (client_same_channel
&& !vifs
->ap_active
) {
717 /* share same channel*/
718 bss_mvmvif
->pm_enabled
= true;
719 p2p_mvmvif
->pm_enabled
= true;
723 #ifdef CONFIG_IWLWIFI_DEBUGFS
724 int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm
*mvm
,
725 struct ieee80211_vif
*vif
, char *buf
,
728 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
729 struct iwl_mac_power_cmd cmd
= {};
732 mutex_lock(&mvm
->mutex
);
733 memcpy(&cmd
, &mvmvif
->mac_pwr_cmd
, sizeof(cmd
));
734 mutex_unlock(&mvm
->mutex
);
736 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "power_scheme = %d\n",
737 iwlmvm_mod_params
.power_scheme
);
738 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "flags = 0x%x\n",
739 le16_to_cpu(cmd
.flags
));
740 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "keep_alive = %d\n",
741 le16_to_cpu(cmd
.keep_alive_seconds
));
743 if (!(cmd
.flags
& cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK
)))
746 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "skip_over_dtim = %d\n",
748 cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK
)) ? 1 : 0);
749 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "skip_dtim_periods = %d\n",
750 cmd
.skip_dtim_periods
);
751 if (!(cmd
.flags
& cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK
))) {
752 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "rx_data_timeout = %d\n",
753 le32_to_cpu(cmd
.rx_data_timeout
));
754 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "tx_data_timeout = %d\n",
755 le32_to_cpu(cmd
.tx_data_timeout
));
757 if (cmd
.flags
& cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK
))
758 pos
+= scnprintf(buf
+pos
, bufsz
-pos
,
759 "lprx_rssi_threshold = %d\n",
760 cmd
.lprx_rssi_threshold
);
762 if (!(cmd
.flags
& cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK
)))
765 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "rx_data_timeout_uapsd = %d\n",
766 le32_to_cpu(cmd
.rx_data_timeout_uapsd
));
767 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "tx_data_timeout_uapsd = %d\n",
768 le32_to_cpu(cmd
.tx_data_timeout_uapsd
));
769 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "qndp_tid = %d\n", cmd
.qndp_tid
);
770 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "uapsd_ac_flags = 0x%x\n",
772 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "uapsd_max_sp = %d\n",
774 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "heavy_tx_thld_packets = %d\n",
775 cmd
.heavy_tx_thld_packets
);
776 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "heavy_rx_thld_packets = %d\n",
777 cmd
.heavy_rx_thld_packets
);
778 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "heavy_tx_thld_percentage = %d\n",
779 cmd
.heavy_tx_thld_percentage
);
780 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "heavy_rx_thld_percentage = %d\n",
781 cmd
.heavy_rx_thld_percentage
);
782 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "uapsd_misbehaving_enable = %d\n",
784 cpu_to_le16(POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK
)) ?
787 if (!(cmd
.flags
& cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK
)))
790 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "snooze_interval = %d\n",
791 cmd
.snooze_interval
);
792 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "snooze_window = %d\n",
799 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif
*vif
,
800 struct iwl_beacon_filter_cmd
*cmd
)
802 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
803 struct iwl_dbgfs_bf
*dbgfs_bf
= &mvmvif
->dbgfs_bf
;
805 if (dbgfs_bf
->mask
& MVM_DEBUGFS_BF_ENERGY_DELTA
)
806 cmd
->bf_energy_delta
= cpu_to_le32(dbgfs_bf
->bf_energy_delta
);
807 if (dbgfs_bf
->mask
& MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA
)
808 cmd
->bf_roaming_energy_delta
=
809 cpu_to_le32(dbgfs_bf
->bf_roaming_energy_delta
);
810 if (dbgfs_bf
->mask
& MVM_DEBUGFS_BF_ROAMING_STATE
)
811 cmd
->bf_roaming_state
= cpu_to_le32(dbgfs_bf
->bf_roaming_state
);
812 if (dbgfs_bf
->mask
& MVM_DEBUGFS_BF_TEMP_THRESHOLD
)
813 cmd
->bf_temp_threshold
=
814 cpu_to_le32(dbgfs_bf
->bf_temp_threshold
);
815 if (dbgfs_bf
->mask
& MVM_DEBUGFS_BF_TEMP_FAST_FILTER
)
816 cmd
->bf_temp_fast_filter
=
817 cpu_to_le32(dbgfs_bf
->bf_temp_fast_filter
);
818 if (dbgfs_bf
->mask
& MVM_DEBUGFS_BF_TEMP_SLOW_FILTER
)
819 cmd
->bf_temp_slow_filter
=
820 cpu_to_le32(dbgfs_bf
->bf_temp_slow_filter
);
821 if (dbgfs_bf
->mask
& MVM_DEBUGFS_BF_DEBUG_FLAG
)
822 cmd
->bf_debug_flag
= cpu_to_le32(dbgfs_bf
->bf_debug_flag
);
823 if (dbgfs_bf
->mask
& MVM_DEBUGFS_BF_ESCAPE_TIMER
)
824 cmd
->bf_escape_timer
= cpu_to_le32(dbgfs_bf
->bf_escape_timer
);
825 if (dbgfs_bf
->mask
& MVM_DEBUGFS_BA_ESCAPE_TIMER
)
826 cmd
->ba_escape_timer
= cpu_to_le32(dbgfs_bf
->ba_escape_timer
);
827 if (dbgfs_bf
->mask
& MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT
)
828 cmd
->ba_enable_beacon_abort
=
829 cpu_to_le32(dbgfs_bf
->ba_enable_beacon_abort
);
833 static int _iwl_mvm_enable_beacon_filter(struct iwl_mvm
*mvm
,
834 struct ieee80211_vif
*vif
,
835 struct iwl_beacon_filter_cmd
*cmd
,
839 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
842 if (mvmvif
!= mvm
->bf_allowed_vif
|| !vif
->bss_conf
.dtim_period
||
843 vif
->type
!= NL80211_IFTYPE_STATION
|| vif
->p2p
)
846 iwl_mvm_beacon_filter_set_cqm_params(mvm
, vif
, cmd
, d0i3
);
848 iwl_mvm_beacon_filter_debugfs_parameters(vif
, cmd
);
849 ret
= iwl_mvm_beacon_filter_send_cmd(mvm
, cmd
, cmd_flags
);
851 /* don't change bf_enabled in case of temporary d0i3 configuration */
853 mvmvif
->bf_data
.bf_enabled
= true;
858 int iwl_mvm_enable_beacon_filter(struct iwl_mvm
*mvm
,
859 struct ieee80211_vif
*vif
,
862 struct iwl_beacon_filter_cmd cmd
= {
863 IWL_BF_CMD_CONFIG_DEFAULTS
,
864 .bf_enable_beacon_filter
= cpu_to_le32(1),
867 return _iwl_mvm_enable_beacon_filter(mvm
, vif
, &cmd
, flags
, false);
870 static int _iwl_mvm_disable_beacon_filter(struct iwl_mvm
*mvm
,
871 struct ieee80211_vif
*vif
,
872 u32 flags
, bool d0i3
)
874 struct iwl_beacon_filter_cmd cmd
= {};
875 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
878 if (vif
->type
!= NL80211_IFTYPE_STATION
|| vif
->p2p
)
881 ret
= iwl_mvm_beacon_filter_send_cmd(mvm
, &cmd
, flags
);
883 /* don't change bf_enabled in case of temporary d0i3 configuration */
885 mvmvif
->bf_data
.bf_enabled
= false;
890 int iwl_mvm_disable_beacon_filter(struct iwl_mvm
*mvm
,
891 struct ieee80211_vif
*vif
,
894 return _iwl_mvm_disable_beacon_filter(mvm
, vif
, flags
, false);
897 static int iwl_mvm_power_set_ps(struct iwl_mvm
*mvm
)
902 /* disable PS if CAM */
903 disable_ps
= (iwlmvm_mod_params
.power_scheme
== IWL_POWER_SCHEME_CAM
);
904 /* ...or if any of the vifs require PS to be off */
905 ieee80211_iterate_active_interfaces_atomic(mvm
->hw
,
906 IEEE80211_IFACE_ITER_NORMAL
,
907 iwl_mvm_power_ps_disabled_iterator
,
910 /* update device power state if it has changed */
911 if (mvm
->ps_disabled
!= disable_ps
) {
912 bool old_ps_disabled
= mvm
->ps_disabled
;
914 mvm
->ps_disabled
= disable_ps
;
915 ret
= iwl_mvm_power_update_device(mvm
);
917 mvm
->ps_disabled
= old_ps_disabled
;
925 static int iwl_mvm_power_set_ba(struct iwl_mvm
*mvm
,
926 struct ieee80211_vif
*vif
)
928 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
929 struct iwl_beacon_filter_cmd cmd
= {
930 IWL_BF_CMD_CONFIG_DEFAULTS
,
931 .bf_enable_beacon_filter
= cpu_to_le32(1),
934 if (!mvmvif
->bf_data
.bf_enabled
)
937 if (mvm
->fwrt
.cur_fw_img
== IWL_UCODE_WOWLAN
)
938 cmd
.ba_escape_timer
= cpu_to_le32(IWL_BA_ESCAPE_TIMER_D3
);
940 mvmvif
->bf_data
.ba_enabled
= !(!mvmvif
->pm_enabled
||
943 iwl_mvm_vif_low_latency(mvmvif
));
945 return _iwl_mvm_enable_beacon_filter(mvm
, vif
, &cmd
, 0, false);
948 int iwl_mvm_power_update_ps(struct iwl_mvm
*mvm
)
950 struct iwl_power_vifs vifs
= {
955 lockdep_assert_held(&mvm
->mutex
);
958 ieee80211_iterate_active_interfaces_atomic(mvm
->hw
,
959 IEEE80211_IFACE_ITER_NORMAL
,
960 iwl_mvm_power_get_vifs_iterator
, &vifs
);
962 ret
= iwl_mvm_power_set_ps(mvm
);
967 return iwl_mvm_power_set_ba(mvm
, vifs
.bss_vif
);
972 int iwl_mvm_power_update_mac(struct iwl_mvm
*mvm
)
974 struct iwl_power_vifs vifs
= {
979 lockdep_assert_held(&mvm
->mutex
);
982 ieee80211_iterate_active_interfaces_atomic(mvm
->hw
,
983 IEEE80211_IFACE_ITER_NORMAL
,
984 iwl_mvm_power_get_vifs_iterator
, &vifs
);
986 iwl_mvm_power_set_pm(mvm
, &vifs
);
988 ret
= iwl_mvm_power_set_ps(mvm
);
993 ret
= iwl_mvm_power_send_cmd(mvm
, vifs
.bss_vif
);
999 ret
= iwl_mvm_power_send_cmd(mvm
, vifs
.p2p_vif
);
1005 return iwl_mvm_power_set_ba(mvm
, vifs
.bss_vif
);
1010 int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm
*mvm
,
1011 struct ieee80211_vif
*vif
,
1012 bool enable
, u32 flags
)
1015 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
1016 struct iwl_mac_power_cmd cmd
= {};
1018 if (vif
->type
!= NL80211_IFTYPE_STATION
|| vif
->p2p
)
1021 if (!vif
->bss_conf
.assoc
)
1024 iwl_mvm_power_build_cmd(mvm
, vif
, &cmd
, !enable
);
1026 iwl_mvm_power_log(mvm
, &cmd
);
1027 #ifdef CONFIG_IWLWIFI_DEBUGFS
1028 memcpy(&mvmvif
->mac_pwr_cmd
, &cmd
, sizeof(cmd
));
1030 ret
= iwl_mvm_send_cmd_pdu(mvm
, MAC_PM_POWER_TABLE
, flags
,
1035 /* configure beacon filtering */
1036 if (mvmvif
!= mvm
->bf_allowed_vif
)
1040 struct iwl_beacon_filter_cmd cmd_bf
= {
1041 IWL_BF_CMD_CONFIG_D0I3
,
1042 .bf_enable_beacon_filter
= cpu_to_le32(1),
1045 * When beacon storing is supported - disable beacon filtering
1046 * altogether - the latest beacon will be sent when exiting d0i3
1048 if (fw_has_capa(&mvm
->fw
->ucode_capa
,
1049 IWL_UCODE_TLV_CAPA_BEACON_STORING
))
1050 ret
= _iwl_mvm_disable_beacon_filter(mvm
, vif
, flags
,
1053 ret
= _iwl_mvm_enable_beacon_filter(mvm
, vif
, &cmd_bf
,
1056 if (mvmvif
->bf_data
.bf_enabled
)
1057 ret
= iwl_mvm_enable_beacon_filter(mvm
, vif
, flags
);
1059 ret
= iwl_mvm_disable_beacon_filter(mvm
, vif
, flags
);