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 if (!mvmvif->uploaded)
617 switch (ieee80211_vif_type_p2p(vif)) {
618 case NL80211_IFTYPE_P2P_DEVICE:
621 case NL80211_IFTYPE_P2P_GO:
622 case NL80211_IFTYPE_AP:
623 /* only a single MAC of the same type */
624 WARN_ON(power_iterator->ap_vif);
625 power_iterator->ap_vif = vif;
627 power_iterator->ap_active = true;
630 case NL80211_IFTYPE_MONITOR:
631 /* only a single MAC of the same type */
632 WARN_ON(power_iterator->monitor_vif);
633 power_iterator->monitor_vif = vif;
635 power_iterator->monitor_active = true;
638 case NL80211_IFTYPE_P2P_CLIENT:
639 /* only a single MAC of the same type */
640 WARN_ON(power_iterator->p2p_vif);
641 power_iterator->p2p_vif = vif;
643 power_iterator->p2p_active = true;
646 case NL80211_IFTYPE_STATION:
647 power_iterator->bss_vif = vif;
649 power_iterator->bss_active = true;
657 static void iwl_mvm_power_set_pm(struct iwl_mvm *mvm,
658 struct iwl_power_vifs *vifs)
660 struct iwl_mvm_vif *bss_mvmvif = NULL;
661 struct iwl_mvm_vif *p2p_mvmvif = NULL;
662 struct iwl_mvm_vif *ap_mvmvif = NULL;
663 bool client_same_channel = false;
664 bool ap_same_channel = false;
666 lockdep_assert_held(&mvm->mutex);
668 /* set pm_enable to false */
669 ieee80211_iterate_active_interfaces_atomic(mvm->hw,
670 IEEE80211_IFACE_ITER_NORMAL,
671 iwl_mvm_power_disable_pm_iterator,
675 bss_mvmvif = iwl_mvm_vif_from_mac80211(vifs->bss_vif);
678 p2p_mvmvif = iwl_mvm_vif_from_mac80211(vifs->p2p_vif);
681 ap_mvmvif = iwl_mvm_vif_from_mac80211(vifs->ap_vif);
683 /* don't allow PM if any TDLS stations exist */
684 if (iwl_mvm_tdls_sta_count(mvm, NULL))
687 /* enable PM on bss if bss stand alone */
688 if (vifs->bss_active && !vifs->p2p_active && !vifs->ap_active) {
689 bss_mvmvif->pm_enabled = true;
693 /* enable PM on p2p if p2p stand alone */
694 if (vifs->p2p_active && !vifs->bss_active && !vifs->ap_active) {
695 p2p_mvmvif->pm_enabled = true;
699 if (vifs->bss_active && vifs->p2p_active)
700 client_same_channel = (bss_mvmvif->phy_ctxt->id ==
701 p2p_mvmvif->phy_ctxt->id);
702 if (vifs->bss_active && vifs->ap_active)
703 ap_same_channel = (bss_mvmvif->phy_ctxt->id ==
704 ap_mvmvif->phy_ctxt->id);
706 /* clients are not stand alone: enable PM if DCM */
707 if (!(client_same_channel || ap_same_channel)) {
708 if (vifs->bss_active)
709 bss_mvmvif->pm_enabled = true;
710 if (vifs->p2p_active)
711 p2p_mvmvif->pm_enabled = true;
716 * There is only one channel in the system and there are only
717 * bss and p2p clients that share it
719 if (client_same_channel && !vifs->ap_active) {
720 /* share same channel*/
721 bss_mvmvif->pm_enabled = true;
722 p2p_mvmvif->pm_enabled = true;
726 #ifdef CONFIG_IWLWIFI_DEBUGFS
727 int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm,
728 struct ieee80211_vif *vif, char *buf,
731 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
732 struct iwl_mac_power_cmd cmd = {};
735 mutex_lock(&mvm->mutex);
736 memcpy(&cmd, &mvmvif->mac_pwr_cmd, sizeof(cmd));
737 mutex_unlock(&mvm->mutex);
739 pos += scnprintf(buf+pos, bufsz-pos, "power_scheme = %d\n",
740 iwlmvm_mod_params.power_scheme);
741 pos += scnprintf(buf+pos, bufsz-pos, "flags = 0x%x\n",
742 le16_to_cpu(cmd.flags));
743 pos += scnprintf(buf+pos, bufsz-pos, "keep_alive = %d\n",
744 le16_to_cpu(cmd.keep_alive_seconds));
746 if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK)))
749 pos += scnprintf(buf+pos, bufsz-pos, "skip_over_dtim = %d\n",
751 cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK)) ? 1 : 0);
752 pos += scnprintf(buf+pos, bufsz-pos, "skip_dtim_periods = %d\n",
753 cmd.skip_dtim_periods);
754 if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK))) {
755 pos += scnprintf(buf+pos, bufsz-pos, "rx_data_timeout = %d\n",
756 le32_to_cpu(cmd.rx_data_timeout));
757 pos += scnprintf(buf+pos, bufsz-pos, "tx_data_timeout = %d\n",
758 le32_to_cpu(cmd.tx_data_timeout));
760 if (cmd.flags & cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK))
761 pos += scnprintf(buf+pos, bufsz-pos,
762 "lprx_rssi_threshold = %d\n",
763 cmd.lprx_rssi_threshold);
765 if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK)))
768 pos += scnprintf(buf+pos, bufsz-pos, "rx_data_timeout_uapsd = %d\n",
769 le32_to_cpu(cmd.rx_data_timeout_uapsd));
770 pos += scnprintf(buf+pos, bufsz-pos, "tx_data_timeout_uapsd = %d\n",
771 le32_to_cpu(cmd.tx_data_timeout_uapsd));
772 pos += scnprintf(buf+pos, bufsz-pos, "qndp_tid = %d\n", cmd.qndp_tid);
773 pos += scnprintf(buf+pos, bufsz-pos, "uapsd_ac_flags = 0x%x\n",
775 pos += scnprintf(buf+pos, bufsz-pos, "uapsd_max_sp = %d\n",
777 pos += scnprintf(buf+pos, bufsz-pos, "heavy_tx_thld_packets = %d\n",
778 cmd.heavy_tx_thld_packets);
779 pos += scnprintf(buf+pos, bufsz-pos, "heavy_rx_thld_packets = %d\n",
780 cmd.heavy_rx_thld_packets);
781 pos += scnprintf(buf+pos, bufsz-pos, "heavy_tx_thld_percentage = %d\n",
782 cmd.heavy_tx_thld_percentage);
783 pos += scnprintf(buf+pos, bufsz-pos, "heavy_rx_thld_percentage = %d\n",
784 cmd.heavy_rx_thld_percentage);
785 pos += scnprintf(buf+pos, bufsz-pos, "uapsd_misbehaving_enable = %d\n",
787 cpu_to_le16(POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK)) ?
790 if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)))
793 pos += scnprintf(buf+pos, bufsz-pos, "snooze_interval = %d\n",
794 cmd.snooze_interval);
795 pos += scnprintf(buf+pos, bufsz-pos, "snooze_window = %d\n",
802 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
803 struct iwl_beacon_filter_cmd *cmd)
805 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
806 struct iwl_dbgfs_bf *dbgfs_bf = &mvmvif->dbgfs_bf;
808 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ENERGY_DELTA)
809 cmd->bf_energy_delta = cpu_to_le32(dbgfs_bf->bf_energy_delta);
810 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA)
811 cmd->bf_roaming_energy_delta =
812 cpu_to_le32(dbgfs_bf->bf_roaming_energy_delta);
813 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ROAMING_STATE)
814 cmd->bf_roaming_state = cpu_to_le32(dbgfs_bf->bf_roaming_state);
815 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_THRESHOLD)
816 cmd->bf_temp_threshold =
817 cpu_to_le32(dbgfs_bf->bf_temp_threshold);
818 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_FAST_FILTER)
819 cmd->bf_temp_fast_filter =
820 cpu_to_le32(dbgfs_bf->bf_temp_fast_filter);
821 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_SLOW_FILTER)
822 cmd->bf_temp_slow_filter =
823 cpu_to_le32(dbgfs_bf->bf_temp_slow_filter);
824 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_DEBUG_FLAG)
825 cmd->bf_debug_flag = cpu_to_le32(dbgfs_bf->bf_debug_flag);
826 if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ESCAPE_TIMER)
827 cmd->bf_escape_timer = cpu_to_le32(dbgfs_bf->bf_escape_timer);
828 if (dbgfs_bf->mask & MVM_DEBUGFS_BA_ESCAPE_TIMER)
829 cmd->ba_escape_timer = cpu_to_le32(dbgfs_bf->ba_escape_timer);
830 if (dbgfs_bf->mask & MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT)
831 cmd->ba_enable_beacon_abort =
832 cpu_to_le32(dbgfs_bf->ba_enable_beacon_abort);
836 static int _iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
837 struct ieee80211_vif *vif,
838 struct iwl_beacon_filter_cmd *cmd,
842 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
845 if (mvmvif != mvm->bf_allowed_vif || !vif->bss_conf.dtim_period ||
846 vif->type != NL80211_IFTYPE_STATION || vif->p2p)
849 iwl_mvm_beacon_filter_set_cqm_params(mvm, vif, cmd, d0i3);
851 iwl_mvm_beacon_filter_debugfs_parameters(vif, cmd);
852 ret = iwl_mvm_beacon_filter_send_cmd(mvm, cmd, cmd_flags);
854 /* don't change bf_enabled in case of temporary d0i3 configuration */
856 mvmvif->bf_data.bf_enabled = true;
861 int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
862 struct ieee80211_vif *vif,
865 struct iwl_beacon_filter_cmd cmd = {
866 IWL_BF_CMD_CONFIG_DEFAULTS,
867 .bf_enable_beacon_filter = cpu_to_le32(1),
870 return _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd, flags, false);
873 static int _iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
874 struct ieee80211_vif *vif,
875 u32 flags, bool d0i3)
877 struct iwl_beacon_filter_cmd cmd = {};
878 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
881 if (vif->type != NL80211_IFTYPE_STATION || vif->p2p)
884 ret = iwl_mvm_beacon_filter_send_cmd(mvm, &cmd, flags);
886 /* don't change bf_enabled in case of temporary d0i3 configuration */
888 mvmvif->bf_data.bf_enabled = false;
893 int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
894 struct ieee80211_vif *vif,
897 return _iwl_mvm_disable_beacon_filter(mvm, vif, flags, false);
900 static int iwl_mvm_power_set_ps(struct iwl_mvm *mvm)
905 /* disable PS if CAM */
906 disable_ps = (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM);
907 /* ...or if any of the vifs require PS to be off */
908 ieee80211_iterate_active_interfaces_atomic(mvm->hw,
909 IEEE80211_IFACE_ITER_NORMAL,
910 iwl_mvm_power_ps_disabled_iterator,
913 /* update device power state if it has changed */
914 if (mvm->ps_disabled != disable_ps) {
915 bool old_ps_disabled = mvm->ps_disabled;
917 mvm->ps_disabled = disable_ps;
918 ret = iwl_mvm_power_update_device(mvm);
920 mvm->ps_disabled = old_ps_disabled;
928 static int iwl_mvm_power_set_ba(struct iwl_mvm *mvm,
929 struct ieee80211_vif *vif)
931 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
932 struct iwl_beacon_filter_cmd cmd = {
933 IWL_BF_CMD_CONFIG_DEFAULTS,
934 .bf_enable_beacon_filter = cpu_to_le32(1),
937 if (!mvmvif->bf_data.bf_enabled)
940 if (mvm->fwrt.cur_fw_img == IWL_UCODE_WOWLAN)
941 cmd.ba_escape_timer = cpu_to_le32(IWL_BA_ESCAPE_TIMER_D3);
943 mvmvif->bf_data.ba_enabled = !(!mvmvif->pm_enabled ||
946 iwl_mvm_vif_low_latency(mvmvif));
948 return _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd, 0, false);
951 int iwl_mvm_power_update_ps(struct iwl_mvm *mvm)
953 struct iwl_power_vifs vifs = {
958 lockdep_assert_held(&mvm->mutex);
961 ieee80211_iterate_active_interfaces_atomic(mvm->hw,
962 IEEE80211_IFACE_ITER_NORMAL,
963 iwl_mvm_power_get_vifs_iterator, &vifs);
965 ret = iwl_mvm_power_set_ps(mvm);
970 return iwl_mvm_power_set_ba(mvm, vifs.bss_vif);
975 int iwl_mvm_power_update_mac(struct iwl_mvm *mvm)
977 struct iwl_power_vifs vifs = {
982 lockdep_assert_held(&mvm->mutex);
985 ieee80211_iterate_active_interfaces_atomic(mvm->hw,
986 IEEE80211_IFACE_ITER_NORMAL,
987 iwl_mvm_power_get_vifs_iterator, &vifs);
989 iwl_mvm_power_set_pm(mvm, &vifs);
991 ret = iwl_mvm_power_set_ps(mvm);
996 ret = iwl_mvm_power_send_cmd(mvm, vifs.bss_vif);
1002 ret = iwl_mvm_power_send_cmd(mvm, vifs.p2p_vif);
1008 return iwl_mvm_power_set_ba(mvm, vifs.bss_vif);
1013 int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm,
1014 struct ieee80211_vif *vif,
1015 bool enable, u32 flags)
1018 struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1019 struct iwl_mac_power_cmd cmd = {};
1021 if (vif->type != NL80211_IFTYPE_STATION || vif->p2p)
1024 if (!vif->bss_conf.assoc)
1027 iwl_mvm_power_build_cmd(mvm, vif, &cmd, !enable);
1029 iwl_mvm_power_log(mvm, &cmd);
1030 #ifdef CONFIG_IWLWIFI_DEBUGFS
1031 memcpy(&mvmvif->mac_pwr_cmd, &cmd, sizeof(cmd));
1033 ret = iwl_mvm_send_cmd_pdu(mvm, MAC_PM_POWER_TABLE, flags,
1038 /* configure beacon filtering */
1039 if (mvmvif != mvm->bf_allowed_vif)
1043 struct iwl_beacon_filter_cmd cmd_bf = {
1044 IWL_BF_CMD_CONFIG_D0I3,
1045 .bf_enable_beacon_filter = cpu_to_le32(1),
1048 * When beacon storing is supported - disable beacon filtering
1049 * altogether - the latest beacon will be sent when exiting d0i3
1051 if (fw_has_capa(&mvm->fw->ucode_capa,
1052 IWL_UCODE_TLV_CAPA_BEACON_STORING))
1053 ret = _iwl_mvm_disable_beacon_filter(mvm, vif, flags,
1056 ret = _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd_bf,
1059 if (mvmvif->bf_data.bf_enabled)
1060 ret = iwl_mvm_enable_beacon_filter(mvm, vif, flags);
1062 ret = iwl_mvm_disable_beacon_filter(mvm, vif, flags);