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 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 <ilw@linux.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 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 for (ac
= IEEE80211_AC_VO
; ac
<= IEEE80211_AC_BK
; ac
++) {
178 if (!mvmvif
->queue_params
[ac
].uapsd
)
181 if (mvm
->cur_ucode
!= IWL_UCODE_WOWLAN
)
183 cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK
);
185 cmd
->uapsd_ac_flags
|= BIT(ac
);
187 /* QNDP TID - the highest TID with no admission control */
188 if (!tid_found
&& !mvmvif
->queue_params
[ac
].acm
) {
191 case IEEE80211_AC_VO
:
194 case IEEE80211_AC_VI
:
197 case IEEE80211_AC_BE
:
200 case IEEE80211_AC_BK
:
207 if (!(cmd
->flags
& cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK
))) {
208 #ifdef CONFIG_IWLWIFI_DEBUGFS
209 /* set advanced pm flag with no uapsd ACs to enable ps-poll */
210 if (mvmvif
->dbgfs_pm
.use_ps_poll
)
212 cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK
);
217 cmd
->flags
|= cpu_to_le16(POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK
);
219 if (cmd
->uapsd_ac_flags
== (BIT(IEEE80211_AC_VO
) |
220 BIT(IEEE80211_AC_VI
) |
221 BIT(IEEE80211_AC_BE
) |
222 BIT(IEEE80211_AC_BK
))) {
223 cmd
->flags
|= cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK
);
224 cmd
->snooze_interval
= cpu_to_le16(IWL_MVM_PS_SNOOZE_INTERVAL
);
225 cmd
->snooze_window
= (mvm
->cur_ucode
== IWL_UCODE_WOWLAN
) ?
226 cpu_to_le16(IWL_MVM_WOWLAN_PS_SNOOZE_WINDOW
) :
227 cpu_to_le16(IWL_MVM_PS_SNOOZE_WINDOW
);
230 cmd
->uapsd_max_sp
= IWL_UAPSD_MAX_SP
;
232 if (mvm
->cur_ucode
== IWL_UCODE_WOWLAN
|| cmd
->flags
&
233 cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK
)) {
234 cmd
->rx_data_timeout_uapsd
=
235 cpu_to_le32(IWL_MVM_WOWLAN_PS_RX_DATA_TIMEOUT
);
236 cmd
->tx_data_timeout_uapsd
=
237 cpu_to_le32(IWL_MVM_WOWLAN_PS_TX_DATA_TIMEOUT
);
239 cmd
->rx_data_timeout_uapsd
=
240 cpu_to_le32(IWL_MVM_UAPSD_RX_DATA_TIMEOUT
);
241 cmd
->tx_data_timeout_uapsd
=
242 cpu_to_le32(IWL_MVM_UAPSD_TX_DATA_TIMEOUT
);
245 if (cmd
->flags
& cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK
)) {
246 cmd
->heavy_tx_thld_packets
=
247 IWL_MVM_PS_SNOOZE_HEAVY_TX_THLD_PACKETS
;
248 cmd
->heavy_rx_thld_packets
=
249 IWL_MVM_PS_SNOOZE_HEAVY_RX_THLD_PACKETS
;
251 cmd
->heavy_tx_thld_packets
=
252 IWL_MVM_PS_HEAVY_TX_THLD_PACKETS
;
253 cmd
->heavy_rx_thld_packets
=
254 IWL_MVM_PS_HEAVY_RX_THLD_PACKETS
;
256 cmd
->heavy_tx_thld_percentage
=
257 IWL_MVM_PS_HEAVY_TX_THLD_PERCENT
;
258 cmd
->heavy_rx_thld_percentage
=
259 IWL_MVM_PS_HEAVY_RX_THLD_PERCENT
;
262 static bool iwl_mvm_power_allow_uapsd(struct iwl_mvm
*mvm
,
263 struct ieee80211_vif
*vif
)
265 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
267 if (!memcmp(mvmvif
->uapsd_misbehaving_bssid
, vif
->bss_conf
.bssid
,
272 !(mvm
->fw
->ucode_capa
.flags
& IWL_UCODE_TLV_FLAGS_P2P_PS_UAPSD
))
275 * Avoid using uAPSD if P2P client is associated to GO that uses
276 * opportunistic power save. This is due to current FW limitation.
279 (vif
->bss_conf
.p2p_noa_attr
.oppps_ctwindow
&
280 IEEE80211_P2P_OPPPS_ENABLE_BIT
))
284 * Avoid using uAPSD if client is in DCM -
285 * low latency issue in Miracast
287 if (iwl_mvm_phy_ctx_count(mvm
) >= 2)
293 static bool iwl_mvm_power_is_radar(struct ieee80211_vif
*vif
)
295 struct ieee80211_chanctx_conf
*chanctx_conf
;
296 struct ieee80211_channel
*chan
;
297 bool radar_detect
= false;
300 chanctx_conf
= rcu_dereference(vif
->chanctx_conf
);
301 WARN_ON(!chanctx_conf
);
303 chan
= chanctx_conf
->def
.chan
;
304 radar_detect
= chan
->flags
& IEEE80211_CHAN_RADAR
;
311 static void iwl_mvm_power_config_skip_dtim(struct iwl_mvm
*mvm
,
312 struct ieee80211_vif
*vif
,
313 struct iwl_mac_power_cmd
*cmd
,
316 int dtimper
= vif
->bss_conf
.dtim_period
?: 1;
319 /* disable, in case we're supposed to override */
320 cmd
->skip_dtim_periods
= 0;
321 cmd
->flags
&= ~cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK
);
323 if (iwl_mvm_power_is_radar(vif
))
329 /* TODO: check that multicast wake lock is off */
332 if (iwlmvm_mod_params
.power_scheme
!= IWL_POWER_SCHEME_LP
)
336 int dtimper_tu
= dtimper
* vif
->bss_conf
.beacon_int
;
338 if (WARN_ON(!dtimper_tu
))
340 /* configure skip over dtim up to 306TU - 314 msec */
341 skip
= max_t(u8
, 1, 306 / dtimper_tu
);
344 /* the firmware really expects "look at every X DTIMs", so add 1 */
345 cmd
->skip_dtim_periods
= 1 + skip
;
346 cmd
->flags
|= cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK
);
349 static void iwl_mvm_power_build_cmd(struct iwl_mvm
*mvm
,
350 struct ieee80211_vif
*vif
,
351 struct iwl_mac_power_cmd
*cmd
,
356 struct iwl_mvm_vif
*mvmvif __maybe_unused
=
357 iwl_mvm_vif_from_mac80211(vif
);
359 cmd
->id_and_color
= cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif
->id
,
361 dtimper
= vif
->bss_conf
.dtim_period
;
362 bi
= vif
->bss_conf
.beacon_int
;
365 * Regardless of power management state the driver must set
366 * keep alive period. FW will use it for sending keep alive NDPs
367 * immediately after association. Check that keep alive period
368 * is at least 3 * DTIM
370 keep_alive
= DIV_ROUND_UP(ieee80211_tu_to_usec(3 * dtimper
* bi
),
372 keep_alive
= max(keep_alive
, POWER_KEEP_ALIVE_PERIOD_SEC
);
373 cmd
->keep_alive_seconds
= cpu_to_le16(keep_alive
);
375 if (mvm
->ps_disabled
)
378 cmd
->flags
|= cpu_to_le16(POWER_FLAGS_POWER_SAVE_ENA_MSK
);
380 if (!vif
->bss_conf
.ps
|| !mvmvif
->pm_enabled
)
383 if (iwl_mvm_vif_low_latency(mvmvif
) && vif
->p2p
&&
384 (!fw_has_capa(&mvm
->fw
->ucode_capa
,
385 IWL_UCODE_TLV_CAPA_SHORT_PM_TIMEOUTS
) ||
386 !IWL_MVM_P2P_LOWLATENCY_PS_ENABLE
))
389 cmd
->flags
|= cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK
);
391 if (vif
->bss_conf
.beacon_rate
&&
392 (vif
->bss_conf
.beacon_rate
->bitrate
== 10 ||
393 vif
->bss_conf
.beacon_rate
->bitrate
== 60)) {
394 cmd
->flags
|= cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK
);
395 cmd
->lprx_rssi_threshold
= POWER_LPRX_RSSI_THRESHOLD
;
398 iwl_mvm_power_config_skip_dtim(mvm
, vif
, cmd
, host_awake
);
401 cmd
->rx_data_timeout
=
402 cpu_to_le32(IWL_MVM_WOWLAN_PS_RX_DATA_TIMEOUT
);
403 cmd
->tx_data_timeout
=
404 cpu_to_le32(IWL_MVM_WOWLAN_PS_TX_DATA_TIMEOUT
);
405 } else if (iwl_mvm_vif_low_latency(mvmvif
) && vif
->p2p
&&
406 fw_has_capa(&mvm
->fw
->ucode_capa
,
407 IWL_UCODE_TLV_CAPA_SHORT_PM_TIMEOUTS
)) {
408 cmd
->tx_data_timeout
=
409 cpu_to_le32(IWL_MVM_SHORT_PS_TX_DATA_TIMEOUT
);
410 cmd
->rx_data_timeout
=
411 cpu_to_le32(IWL_MVM_SHORT_PS_RX_DATA_TIMEOUT
);
413 cmd
->rx_data_timeout
=
414 cpu_to_le32(IWL_MVM_DEFAULT_PS_RX_DATA_TIMEOUT
);
415 cmd
->tx_data_timeout
=
416 cpu_to_le32(IWL_MVM_DEFAULT_PS_TX_DATA_TIMEOUT
);
419 if (iwl_mvm_power_allow_uapsd(mvm
, vif
))
420 iwl_mvm_power_configure_uapsd(mvm
, vif
, cmd
);
422 #ifdef CONFIG_IWLWIFI_DEBUGFS
423 if (mvmvif
->dbgfs_pm
.mask
& MVM_DEBUGFS_PM_KEEP_ALIVE
)
424 cmd
->keep_alive_seconds
=
425 cpu_to_le16(mvmvif
->dbgfs_pm
.keep_alive_seconds
);
426 if (mvmvif
->dbgfs_pm
.mask
& MVM_DEBUGFS_PM_SKIP_OVER_DTIM
) {
427 if (mvmvif
->dbgfs_pm
.skip_over_dtim
)
429 cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK
);
432 cpu_to_le16(~POWER_FLAGS_SKIP_OVER_DTIM_MSK
);
434 if (mvmvif
->dbgfs_pm
.mask
& MVM_DEBUGFS_PM_RX_DATA_TIMEOUT
)
435 cmd
->rx_data_timeout
=
436 cpu_to_le32(mvmvif
->dbgfs_pm
.rx_data_timeout
);
437 if (mvmvif
->dbgfs_pm
.mask
& MVM_DEBUGFS_PM_TX_DATA_TIMEOUT
)
438 cmd
->tx_data_timeout
=
439 cpu_to_le32(mvmvif
->dbgfs_pm
.tx_data_timeout
);
440 if (mvmvif
->dbgfs_pm
.mask
& MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS
)
441 cmd
->skip_dtim_periods
= mvmvif
->dbgfs_pm
.skip_dtim_periods
;
442 if (mvmvif
->dbgfs_pm
.mask
& MVM_DEBUGFS_PM_LPRX_ENA
) {
443 if (mvmvif
->dbgfs_pm
.lprx_ena
)
444 cmd
->flags
|= cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK
);
446 cmd
->flags
&= cpu_to_le16(~POWER_FLAGS_LPRX_ENA_MSK
);
448 if (mvmvif
->dbgfs_pm
.mask
& MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD
)
449 cmd
->lprx_rssi_threshold
= mvmvif
->dbgfs_pm
.lprx_rssi_threshold
;
450 if (mvmvif
->dbgfs_pm
.mask
& MVM_DEBUGFS_PM_SNOOZE_ENABLE
) {
451 if (mvmvif
->dbgfs_pm
.snooze_ena
)
453 cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK
);
456 cpu_to_le16(~POWER_FLAGS_SNOOZE_ENA_MSK
);
458 if (mvmvif
->dbgfs_pm
.mask
& MVM_DEBUGFS_PM_UAPSD_MISBEHAVING
) {
459 u16 flag
= POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK
;
460 if (mvmvif
->dbgfs_pm
.uapsd_misbehaving
)
461 cmd
->flags
|= cpu_to_le16(flag
);
463 cmd
->flags
&= cpu_to_le16(flag
);
465 #endif /* CONFIG_IWLWIFI_DEBUGFS */
468 static int iwl_mvm_power_send_cmd(struct iwl_mvm
*mvm
,
469 struct ieee80211_vif
*vif
)
471 struct iwl_mac_power_cmd cmd
= {};
473 iwl_mvm_power_build_cmd(mvm
, vif
, &cmd
,
474 mvm
->cur_ucode
!= IWL_UCODE_WOWLAN
);
475 iwl_mvm_power_log(mvm
, &cmd
);
476 #ifdef CONFIG_IWLWIFI_DEBUGFS
477 memcpy(&iwl_mvm_vif_from_mac80211(vif
)->mac_pwr_cmd
, &cmd
, sizeof(cmd
));
480 return iwl_mvm_send_cmd_pdu(mvm
, MAC_PM_POWER_TABLE
, 0,
484 int iwl_mvm_power_update_device(struct iwl_mvm
*mvm
)
486 struct iwl_device_power_cmd cmd
= {
490 if (iwlmvm_mod_params
.power_scheme
== IWL_POWER_SCHEME_CAM
)
491 mvm
->ps_disabled
= true;
493 if (!mvm
->ps_disabled
)
494 cmd
.flags
|= cpu_to_le16(DEVICE_POWER_FLAGS_POWER_SAVE_ENA_MSK
);
496 #ifdef CONFIG_IWLWIFI_DEBUGFS
497 if ((mvm
->cur_ucode
== IWL_UCODE_WOWLAN
) ? mvm
->disable_power_off_d3
:
498 mvm
->disable_power_off
)
500 cpu_to_le16(~DEVICE_POWER_FLAGS_POWER_SAVE_ENA_MSK
);
503 "Sending device power command with flags = 0x%X\n",
506 return iwl_mvm_send_cmd_pdu(mvm
, POWER_TABLE_CMD
, 0, sizeof(cmd
),
510 void iwl_mvm_power_vif_assoc(struct iwl_mvm
*mvm
, struct ieee80211_vif
*vif
)
512 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
514 if (memcmp(vif
->bss_conf
.bssid
, mvmvif
->uapsd_misbehaving_bssid
,
516 eth_zero_addr(mvmvif
->uapsd_misbehaving_bssid
);
519 static void iwl_mvm_power_uapsd_misbehav_ap_iterator(void *_data
, u8
*mac
,
520 struct ieee80211_vif
*vif
)
522 u8
*ap_sta_id
= _data
;
523 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
525 /* The ap_sta_id is not expected to change during current association
526 * so no explicit protection is needed
528 if (mvmvif
->ap_sta_id
== *ap_sta_id
)
529 memcpy(mvmvif
->uapsd_misbehaving_bssid
, vif
->bss_conf
.bssid
,
533 void iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm
*mvm
,
534 struct iwl_rx_cmd_buffer
*rxb
)
536 struct iwl_rx_packet
*pkt
= rxb_addr(rxb
);
537 struct iwl_uapsd_misbehaving_ap_notif
*notif
= (void *)pkt
->data
;
538 u8 ap_sta_id
= le32_to_cpu(notif
->sta_id
);
540 ieee80211_iterate_active_interfaces_atomic(
541 mvm
->hw
, IEEE80211_IFACE_ITER_NORMAL
,
542 iwl_mvm_power_uapsd_misbehav_ap_iterator
, &ap_sta_id
);
545 struct iwl_power_vifs
{
547 struct ieee80211_vif
*bf_vif
;
548 struct ieee80211_vif
*bss_vif
;
549 struct ieee80211_vif
*p2p_vif
;
550 struct ieee80211_vif
*ap_vif
;
551 struct ieee80211_vif
*monitor_vif
;
558 static void iwl_mvm_power_disable_pm_iterator(void *_data
, u8
* mac
,
559 struct ieee80211_vif
*vif
)
561 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
563 mvmvif
->pm_enabled
= false;
566 static void iwl_mvm_power_ps_disabled_iterator(void *_data
, u8
* mac
,
567 struct ieee80211_vif
*vif
)
569 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
570 bool *disable_ps
= _data
;
572 if (mvmvif
->phy_ctxt
)
573 if (mvmvif
->phy_ctxt
->id
< MAX_PHYS
)
574 *disable_ps
|= mvmvif
->ps_disabled
;
577 static void iwl_mvm_power_get_vifs_iterator(void *_data
, u8
*mac
,
578 struct ieee80211_vif
*vif
)
580 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
581 struct iwl_power_vifs
*power_iterator
= _data
;
583 switch (ieee80211_vif_type_p2p(vif
)) {
584 case NL80211_IFTYPE_P2P_DEVICE
:
587 case NL80211_IFTYPE_P2P_GO
:
588 case NL80211_IFTYPE_AP
:
589 /* only a single MAC of the same type */
590 WARN_ON(power_iterator
->ap_vif
);
591 power_iterator
->ap_vif
= vif
;
592 if (mvmvif
->phy_ctxt
)
593 if (mvmvif
->phy_ctxt
->id
< MAX_PHYS
)
594 power_iterator
->ap_active
= true;
597 case NL80211_IFTYPE_MONITOR
:
598 /* only a single MAC of the same type */
599 WARN_ON(power_iterator
->monitor_vif
);
600 power_iterator
->monitor_vif
= vif
;
601 if (mvmvif
->phy_ctxt
)
602 if (mvmvif
->phy_ctxt
->id
< MAX_PHYS
)
603 power_iterator
->monitor_active
= true;
606 case NL80211_IFTYPE_P2P_CLIENT
:
607 /* only a single MAC of the same type */
608 WARN_ON(power_iterator
->p2p_vif
);
609 power_iterator
->p2p_vif
= vif
;
610 if (mvmvif
->phy_ctxt
)
611 if (mvmvif
->phy_ctxt
->id
< MAX_PHYS
)
612 power_iterator
->p2p_active
= true;
615 case NL80211_IFTYPE_STATION
:
616 /* only a single MAC of the same type */
617 WARN_ON(power_iterator
->bss_vif
);
618 power_iterator
->bss_vif
= vif
;
619 if (mvmvif
->phy_ctxt
)
620 if (mvmvif
->phy_ctxt
->id
< MAX_PHYS
)
621 power_iterator
->bss_active
= true;
623 if (mvmvif
->bf_data
.bf_enabled
&&
624 !WARN_ON(power_iterator
->bf_vif
))
625 power_iterator
->bf_vif
= vif
;
634 static void iwl_mvm_power_set_pm(struct iwl_mvm
*mvm
,
635 struct iwl_power_vifs
*vifs
)
637 struct iwl_mvm_vif
*bss_mvmvif
= NULL
;
638 struct iwl_mvm_vif
*p2p_mvmvif
= NULL
;
639 struct iwl_mvm_vif
*ap_mvmvif
= NULL
;
640 bool client_same_channel
= false;
641 bool ap_same_channel
= false;
643 lockdep_assert_held(&mvm
->mutex
);
645 /* set pm_enable to false */
646 ieee80211_iterate_active_interfaces_atomic(mvm
->hw
,
647 IEEE80211_IFACE_ITER_NORMAL
,
648 iwl_mvm_power_disable_pm_iterator
,
652 bss_mvmvif
= iwl_mvm_vif_from_mac80211(vifs
->bss_vif
);
655 p2p_mvmvif
= iwl_mvm_vif_from_mac80211(vifs
->p2p_vif
);
658 ap_mvmvif
= iwl_mvm_vif_from_mac80211(vifs
->ap_vif
);
660 /* don't allow PM if any TDLS stations exist */
661 if (iwl_mvm_tdls_sta_count(mvm
, NULL
))
664 /* enable PM on bss if bss stand alone */
665 if (vifs
->bss_active
&& !vifs
->p2p_active
&& !vifs
->ap_active
) {
666 bss_mvmvif
->pm_enabled
= true;
670 /* enable PM on p2p if p2p stand alone */
671 if (vifs
->p2p_active
&& !vifs
->bss_active
&& !vifs
->ap_active
) {
672 if (mvm
->fw
->ucode_capa
.flags
& IWL_UCODE_TLV_FLAGS_P2P_PM
)
673 p2p_mvmvif
->pm_enabled
= true;
677 if (vifs
->bss_active
&& vifs
->p2p_active
)
678 client_same_channel
= (bss_mvmvif
->phy_ctxt
->id
==
679 p2p_mvmvif
->phy_ctxt
->id
);
680 if (vifs
->bss_active
&& vifs
->ap_active
)
681 ap_same_channel
= (bss_mvmvif
->phy_ctxt
->id
==
682 ap_mvmvif
->phy_ctxt
->id
);
684 /* clients are not stand alone: enable PM if DCM */
685 if (!(client_same_channel
|| ap_same_channel
) &&
686 (mvm
->fw
->ucode_capa
.flags
& IWL_UCODE_TLV_FLAGS_BSS_P2P_PS_DCM
)) {
687 if (vifs
->bss_active
)
688 bss_mvmvif
->pm_enabled
= true;
689 if (vifs
->p2p_active
&&
690 (mvm
->fw
->ucode_capa
.flags
& IWL_UCODE_TLV_FLAGS_P2P_PM
))
691 p2p_mvmvif
->pm_enabled
= true;
696 * There is only one channel in the system and there are only
697 * bss and p2p clients that share it
699 if (client_same_channel
&& !vifs
->ap_active
&&
700 (mvm
->fw
->ucode_capa
.flags
& IWL_UCODE_TLV_FLAGS_BSS_P2P_PS_SCM
)) {
701 /* share same channel*/
702 bss_mvmvif
->pm_enabled
= true;
703 if (mvm
->fw
->ucode_capa
.flags
& IWL_UCODE_TLV_FLAGS_P2P_PM
)
704 p2p_mvmvif
->pm_enabled
= true;
708 #ifdef CONFIG_IWLWIFI_DEBUGFS
709 int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm
*mvm
,
710 struct ieee80211_vif
*vif
, char *buf
,
713 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
714 struct iwl_mac_power_cmd cmd
= {};
717 mutex_lock(&mvm
->mutex
);
718 memcpy(&cmd
, &mvmvif
->mac_pwr_cmd
, sizeof(cmd
));
719 mutex_unlock(&mvm
->mutex
);
721 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "power_scheme = %d\n",
722 iwlmvm_mod_params
.power_scheme
);
723 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "flags = 0x%x\n",
724 le16_to_cpu(cmd
.flags
));
725 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "keep_alive = %d\n",
726 le16_to_cpu(cmd
.keep_alive_seconds
));
728 if (!(cmd
.flags
& cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK
)))
731 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "skip_over_dtim = %d\n",
733 cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK
)) ? 1 : 0);
734 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "skip_dtim_periods = %d\n",
735 cmd
.skip_dtim_periods
);
736 if (!(cmd
.flags
& cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK
))) {
737 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "rx_data_timeout = %d\n",
738 le32_to_cpu(cmd
.rx_data_timeout
));
739 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "tx_data_timeout = %d\n",
740 le32_to_cpu(cmd
.tx_data_timeout
));
742 if (cmd
.flags
& cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK
))
743 pos
+= scnprintf(buf
+pos
, bufsz
-pos
,
744 "lprx_rssi_threshold = %d\n",
745 cmd
.lprx_rssi_threshold
);
747 if (!(cmd
.flags
& cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK
)))
750 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "rx_data_timeout_uapsd = %d\n",
751 le32_to_cpu(cmd
.rx_data_timeout_uapsd
));
752 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "tx_data_timeout_uapsd = %d\n",
753 le32_to_cpu(cmd
.tx_data_timeout_uapsd
));
754 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "qndp_tid = %d\n", cmd
.qndp_tid
);
755 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "uapsd_ac_flags = 0x%x\n",
757 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "uapsd_max_sp = %d\n",
759 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "heavy_tx_thld_packets = %d\n",
760 cmd
.heavy_tx_thld_packets
);
761 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "heavy_rx_thld_packets = %d\n",
762 cmd
.heavy_rx_thld_packets
);
763 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "heavy_tx_thld_percentage = %d\n",
764 cmd
.heavy_tx_thld_percentage
);
765 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "heavy_rx_thld_percentage = %d\n",
766 cmd
.heavy_rx_thld_percentage
);
767 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "uapsd_misbehaving_enable = %d\n",
769 cpu_to_le16(POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK
)) ?
772 if (!(cmd
.flags
& cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK
)))
775 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "snooze_interval = %d\n",
776 cmd
.snooze_interval
);
777 pos
+= scnprintf(buf
+pos
, bufsz
-pos
, "snooze_window = %d\n",
784 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif
*vif
,
785 struct iwl_beacon_filter_cmd
*cmd
)
787 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
788 struct iwl_dbgfs_bf
*dbgfs_bf
= &mvmvif
->dbgfs_bf
;
790 if (dbgfs_bf
->mask
& MVM_DEBUGFS_BF_ENERGY_DELTA
)
791 cmd
->bf_energy_delta
= cpu_to_le32(dbgfs_bf
->bf_energy_delta
);
792 if (dbgfs_bf
->mask
& MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA
)
793 cmd
->bf_roaming_energy_delta
=
794 cpu_to_le32(dbgfs_bf
->bf_roaming_energy_delta
);
795 if (dbgfs_bf
->mask
& MVM_DEBUGFS_BF_ROAMING_STATE
)
796 cmd
->bf_roaming_state
= cpu_to_le32(dbgfs_bf
->bf_roaming_state
);
797 if (dbgfs_bf
->mask
& MVM_DEBUGFS_BF_TEMP_THRESHOLD
)
798 cmd
->bf_temp_threshold
=
799 cpu_to_le32(dbgfs_bf
->bf_temp_threshold
);
800 if (dbgfs_bf
->mask
& MVM_DEBUGFS_BF_TEMP_FAST_FILTER
)
801 cmd
->bf_temp_fast_filter
=
802 cpu_to_le32(dbgfs_bf
->bf_temp_fast_filter
);
803 if (dbgfs_bf
->mask
& MVM_DEBUGFS_BF_TEMP_SLOW_FILTER
)
804 cmd
->bf_temp_slow_filter
=
805 cpu_to_le32(dbgfs_bf
->bf_temp_slow_filter
);
806 if (dbgfs_bf
->mask
& MVM_DEBUGFS_BF_DEBUG_FLAG
)
807 cmd
->bf_debug_flag
= cpu_to_le32(dbgfs_bf
->bf_debug_flag
);
808 if (dbgfs_bf
->mask
& MVM_DEBUGFS_BF_ESCAPE_TIMER
)
809 cmd
->bf_escape_timer
= cpu_to_le32(dbgfs_bf
->bf_escape_timer
);
810 if (dbgfs_bf
->mask
& MVM_DEBUGFS_BA_ESCAPE_TIMER
)
811 cmd
->ba_escape_timer
= cpu_to_le32(dbgfs_bf
->ba_escape_timer
);
812 if (dbgfs_bf
->mask
& MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT
)
813 cmd
->ba_enable_beacon_abort
=
814 cpu_to_le32(dbgfs_bf
->ba_enable_beacon_abort
);
818 static int _iwl_mvm_enable_beacon_filter(struct iwl_mvm
*mvm
,
819 struct ieee80211_vif
*vif
,
820 struct iwl_beacon_filter_cmd
*cmd
,
824 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
827 if (mvmvif
!= mvm
->bf_allowed_vif
|| !vif
->bss_conf
.dtim_period
||
828 vif
->type
!= NL80211_IFTYPE_STATION
|| vif
->p2p
)
831 iwl_mvm_beacon_filter_set_cqm_params(mvm
, vif
, cmd
, d0i3
);
833 iwl_mvm_beacon_filter_debugfs_parameters(vif
, cmd
);
834 ret
= iwl_mvm_beacon_filter_send_cmd(mvm
, cmd
, cmd_flags
);
836 /* don't change bf_enabled in case of temporary d0i3 configuration */
838 mvmvif
->bf_data
.bf_enabled
= true;
843 int iwl_mvm_enable_beacon_filter(struct iwl_mvm
*mvm
,
844 struct ieee80211_vif
*vif
,
847 struct iwl_beacon_filter_cmd cmd
= {
848 IWL_BF_CMD_CONFIG_DEFAULTS
,
849 .bf_enable_beacon_filter
= cpu_to_le32(1),
852 return _iwl_mvm_enable_beacon_filter(mvm
, vif
, &cmd
, flags
, false);
855 static int iwl_mvm_update_beacon_abort(struct iwl_mvm
*mvm
,
856 struct ieee80211_vif
*vif
,
859 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
860 struct iwl_beacon_filter_cmd cmd
= {
861 IWL_BF_CMD_CONFIG_DEFAULTS
,
862 .bf_enable_beacon_filter
= cpu_to_le32(1),
865 if (!mvmvif
->bf_data
.bf_enabled
)
868 if (mvm
->cur_ucode
== IWL_UCODE_WOWLAN
)
869 cmd
.ba_escape_timer
= cpu_to_le32(IWL_BA_ESCAPE_TIMER_D3
);
871 mvmvif
->bf_data
.ba_enabled
= enable
;
872 return _iwl_mvm_enable_beacon_filter(mvm
, vif
, &cmd
, 0, false);
875 int iwl_mvm_disable_beacon_filter(struct iwl_mvm
*mvm
,
876 struct ieee80211_vif
*vif
,
879 struct iwl_beacon_filter_cmd cmd
= {};
880 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
883 if (vif
->type
!= NL80211_IFTYPE_STATION
|| vif
->p2p
)
886 ret
= iwl_mvm_beacon_filter_send_cmd(mvm
, &cmd
, flags
);
889 mvmvif
->bf_data
.bf_enabled
= false;
894 static int iwl_mvm_power_set_ps(struct iwl_mvm
*mvm
)
899 /* disable PS if CAM */
900 disable_ps
= (iwlmvm_mod_params
.power_scheme
== IWL_POWER_SCHEME_CAM
);
901 /* ...or if any of the vifs require PS to be off */
902 ieee80211_iterate_active_interfaces_atomic(mvm
->hw
,
903 IEEE80211_IFACE_ITER_NORMAL
,
904 iwl_mvm_power_ps_disabled_iterator
,
907 /* update device power state if it has changed */
908 if (mvm
->ps_disabled
!= disable_ps
) {
909 bool old_ps_disabled
= mvm
->ps_disabled
;
911 mvm
->ps_disabled
= disable_ps
;
912 ret
= iwl_mvm_power_update_device(mvm
);
914 mvm
->ps_disabled
= old_ps_disabled
;
922 static int iwl_mvm_power_set_ba(struct iwl_mvm
*mvm
,
923 struct iwl_power_vifs
*vifs
)
925 struct iwl_mvm_vif
*mvmvif
;
931 mvmvif
= iwl_mvm_vif_from_mac80211(vifs
->bf_vif
);
933 ba_enable
= !(!mvmvif
->pm_enabled
|| mvm
->ps_disabled
||
934 !vifs
->bf_vif
->bss_conf
.ps
||
935 iwl_mvm_vif_low_latency(mvmvif
));
937 return iwl_mvm_update_beacon_abort(mvm
, vifs
->bf_vif
, ba_enable
);
940 int iwl_mvm_power_update_ps(struct iwl_mvm
*mvm
)
942 struct iwl_power_vifs vifs
= {
947 lockdep_assert_held(&mvm
->mutex
);
950 ieee80211_iterate_active_interfaces_atomic(mvm
->hw
,
951 IEEE80211_IFACE_ITER_NORMAL
,
952 iwl_mvm_power_get_vifs_iterator
, &vifs
);
954 ret
= iwl_mvm_power_set_ps(mvm
);
958 return iwl_mvm_power_set_ba(mvm
, &vifs
);
961 int iwl_mvm_power_update_mac(struct iwl_mvm
*mvm
)
963 struct iwl_power_vifs vifs
= {
968 lockdep_assert_held(&mvm
->mutex
);
971 ieee80211_iterate_active_interfaces_atomic(mvm
->hw
,
972 IEEE80211_IFACE_ITER_NORMAL
,
973 iwl_mvm_power_get_vifs_iterator
, &vifs
);
975 iwl_mvm_power_set_pm(mvm
, &vifs
);
977 ret
= iwl_mvm_power_set_ps(mvm
);
982 ret
= iwl_mvm_power_send_cmd(mvm
, vifs
.bss_vif
);
988 ret
= iwl_mvm_power_send_cmd(mvm
, vifs
.p2p_vif
);
993 return iwl_mvm_power_set_ba(mvm
, &vifs
);
996 int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm
*mvm
,
997 struct ieee80211_vif
*vif
,
998 bool enable
, u32 flags
)
1001 struct iwl_mvm_vif
*mvmvif
= iwl_mvm_vif_from_mac80211(vif
);
1002 struct iwl_mac_power_cmd cmd
= {};
1004 if (vif
->type
!= NL80211_IFTYPE_STATION
|| vif
->p2p
)
1007 if (!vif
->bss_conf
.assoc
)
1010 iwl_mvm_power_build_cmd(mvm
, vif
, &cmd
, !enable
);
1012 iwl_mvm_power_log(mvm
, &cmd
);
1013 #ifdef CONFIG_IWLWIFI_DEBUGFS
1014 memcpy(&mvmvif
->mac_pwr_cmd
, &cmd
, sizeof(cmd
));
1016 ret
= iwl_mvm_send_cmd_pdu(mvm
, MAC_PM_POWER_TABLE
, flags
,
1021 /* configure beacon filtering */
1022 if (mvmvif
!= mvm
->bf_allowed_vif
)
1026 struct iwl_beacon_filter_cmd cmd_bf
= {
1027 IWL_BF_CMD_CONFIG_D0I3
,
1028 .bf_enable_beacon_filter
= cpu_to_le32(1),
1030 ret
= _iwl_mvm_enable_beacon_filter(mvm
, vif
, &cmd_bf
,
1033 if (mvmvif
->bf_data
.bf_enabled
)
1034 ret
= iwl_mvm_enable_beacon_filter(mvm
, vif
, flags
);
1036 ret
= iwl_mvm_disable_beacon_filter(mvm
, vif
, flags
);