drivers/net/wireless/iwlwifi/mvm/power.c

   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.
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   6  * GPL LICENSE SUMMARY
   7  *
   8  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
   9  * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of version 2 of the GNU General Public License as
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  33  *
  34  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
  35  * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
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  46  *    the documentation and/or other materials provided with the
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  50  *    from this software without specific prior written permission.
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  52  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  53  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  54  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  55  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  56  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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  62  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  63  *
  64  *****************************************************************************/
  65
  66 #include <linux/kernel.h>
  67 #include <linux/module.h>
  68 #include <linux/slab.h>
  69
  70 #include <net/mac80211.h>
  71
  72 #include "iwl-debug.h"
  73 #include "mvm.h"
  74 #include "iwl-modparams.h"
  75 #include "fw-api-power.h"
  76
  77 #define POWER_KEEP_ALIVE_PERIOD_SEC    25
  78
  79 static
  80 int iwl_mvm_beacon_filter_send_cmd(struct iwl_mvm *mvm,
  81                                    struct iwl_beacon_filter_cmd *cmd,
  82                                    u32 flags)
  83 {
  84         IWL_DEBUG_POWER(mvm, "ba_enable_beacon_abort is: %d\n",
  85                         le32_to_cpu(cmd->ba_enable_beacon_abort));
  86         IWL_DEBUG_POWER(mvm, "ba_escape_timer is: %d\n",
  87                         le32_to_cpu(cmd->ba_escape_timer));
  88         IWL_DEBUG_POWER(mvm, "bf_debug_flag is: %d\n",
  89                         le32_to_cpu(cmd->bf_debug_flag));
  90         IWL_DEBUG_POWER(mvm, "bf_enable_beacon_filter is: %d\n",
  91                         le32_to_cpu(cmd->bf_enable_beacon_filter));
  92         IWL_DEBUG_POWER(mvm, "bf_energy_delta is: %d\n",
  93                         le32_to_cpu(cmd->bf_energy_delta));
  94         IWL_DEBUG_POWER(mvm, "bf_escape_timer is: %d\n",
  95                         le32_to_cpu(cmd->bf_escape_timer));
  96         IWL_DEBUG_POWER(mvm, "bf_roaming_energy_delta is: %d\n",
  97                         le32_to_cpu(cmd->bf_roaming_energy_delta));
  98         IWL_DEBUG_POWER(mvm, "bf_roaming_state is: %d\n",
  99                         le32_to_cpu(cmd->bf_roaming_state));
 100         IWL_DEBUG_POWER(mvm, "bf_temp_threshold is: %d\n",
 101                         le32_to_cpu(cmd->bf_temp_threshold));
 102         IWL_DEBUG_POWER(mvm, "bf_temp_fast_filter is: %d\n",
 103                         le32_to_cpu(cmd->bf_temp_fast_filter));
 104         IWL_DEBUG_POWER(mvm, "bf_temp_slow_filter is: %d\n",
 105                         le32_to_cpu(cmd->bf_temp_slow_filter));
 106
 107         return iwl_mvm_send_cmd_pdu(mvm, REPLY_BEACON_FILTERING_CMD, flags,
 108                                     sizeof(struct iwl_beacon_filter_cmd), cmd);
 109 }
 110
 111 static
 112 void iwl_mvm_beacon_filter_set_cqm_params(struct iwl_mvm *mvm,
 113                                           struct ieee80211_vif *vif,
 114                                           struct iwl_beacon_filter_cmd *cmd)
 115 {
 116         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 117
 118         if (vif->bss_conf.cqm_rssi_thold) {
 119                 cmd->bf_energy_delta =
 120                         cpu_to_le32(vif->bss_conf.cqm_rssi_hyst);
 121                 /* fw uses an absolute value for this */
 122                 cmd->bf_roaming_state =
 123                         cpu_to_le32(-vif->bss_conf.cqm_rssi_thold);
 124         }
 125         cmd->ba_enable_beacon_abort = cpu_to_le32(mvmvif->bf_data.ba_enabled);
 126 }
 127
 128 static void iwl_mvm_power_log(struct iwl_mvm *mvm,
 129                               struct iwl_mac_power_cmd *cmd)
 130 {
 131         IWL_DEBUG_POWER(mvm,
 132                         "Sending power table command on mac id 0x%X for power level %d, flags = 0x%X\n",
 133                         cmd->id_and_color, iwlmvm_mod_params.power_scheme,
 134                         le16_to_cpu(cmd->flags));
 135         IWL_DEBUG_POWER(mvm, "Keep alive = %u sec\n",
 136                         le16_to_cpu(cmd->keep_alive_seconds));
 137
 138         if (!(cmd->flags & cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK))) {
 139                 IWL_DEBUG_POWER(mvm, "Disable power management\n");
 140                 return;
 141         }
 142
 143         IWL_DEBUG_POWER(mvm, "Rx timeout = %u usec\n",
 144                         le32_to_cpu(cmd->rx_data_timeout));
 145         IWL_DEBUG_POWER(mvm, "Tx timeout = %u usec\n",
 146                         le32_to_cpu(cmd->tx_data_timeout));
 147         if (cmd->flags & cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK))
 148                 IWL_DEBUG_POWER(mvm, "DTIM periods to skip = %u\n",
 149                                 cmd->skip_dtim_periods);
 150         if (cmd->flags & cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK))
 151                 IWL_DEBUG_POWER(mvm, "LP RX RSSI threshold = %u\n",
 152                                 cmd->lprx_rssi_threshold);
 153         if (cmd->flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK)) {
 154                 IWL_DEBUG_POWER(mvm, "uAPSD enabled\n");
 155                 IWL_DEBUG_POWER(mvm, "Rx timeout (uAPSD) = %u usec\n",
 156                                 le32_to_cpu(cmd->rx_data_timeout_uapsd));
 157                 IWL_DEBUG_POWER(mvm, "Tx timeout (uAPSD) = %u usec\n",
 158                                 le32_to_cpu(cmd->tx_data_timeout_uapsd));
 159                 IWL_DEBUG_POWER(mvm, "QNDP TID = %d\n", cmd->qndp_tid);
 160                 IWL_DEBUG_POWER(mvm, "ACs flags = 0x%x\n", cmd->uapsd_ac_flags);
 161                 IWL_DEBUG_POWER(mvm, "Max SP = %d\n", cmd->uapsd_max_sp);
 162         }
 163 }
 164
 165 static void iwl_mvm_power_configure_uapsd(struct iwl_mvm *mvm,
 166                                           struct ieee80211_vif *vif,
 167                                           struct iwl_mac_power_cmd *cmd)
 168 {
 169         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 170         enum ieee80211_ac_numbers ac;
 171         bool tid_found = false;
 172
 173         for (ac = IEEE80211_AC_VO; ac <= IEEE80211_AC_BK; ac++) {
 174                 if (!mvmvif->queue_params[ac].uapsd)
 175                         continue;
 176
 177                 if (mvm->cur_ucode != IWL_UCODE_WOWLAN)
 178                         cmd->flags |=
 179                                 cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK);
 180
 181                 cmd->uapsd_ac_flags |= BIT(ac);
 182
 183                 /* QNDP TID - the highest TID with no admission control */
 184                 if (!tid_found && !mvmvif->queue_params[ac].acm) {
 185                         tid_found = true;
 186                         switch (ac) {
 187                         case IEEE80211_AC_VO:
 188                                 cmd->qndp_tid = 6;
 189                                 break;
 190                         case IEEE80211_AC_VI:
 191                                 cmd->qndp_tid = 5;
 192                                 break;
 193                         case IEEE80211_AC_BE:
 194                                 cmd->qndp_tid = 0;
 195                                 break;
 196                         case IEEE80211_AC_BK:
 197                                 cmd->qndp_tid = 1;
 198                                 break;
 199                         }
 200                 }
 201         }
 202
 203         if (!(cmd->flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK))) {
 204 #ifdef CONFIG_IWLWIFI_DEBUGFS
 205                 /* set advanced pm flag with no uapsd ACs to enable ps-poll */
 206                 if (mvmvif->dbgfs_pm.use_ps_poll)
 207                         cmd->flags |=
 208                                 cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK);
 209 #endif
 210                 return;
 211         }
 212
 213         cmd->flags |= cpu_to_le16(POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK);
 214
 215         if (cmd->uapsd_ac_flags == (BIT(IEEE80211_AC_VO) |
 216                                     BIT(IEEE80211_AC_VI) |
 217                                     BIT(IEEE80211_AC_BE) |
 218                                     BIT(IEEE80211_AC_BK))) {
 219                 cmd->flags |= cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK);
 220                 cmd->snooze_interval = cpu_to_le16(IWL_MVM_PS_SNOOZE_INTERVAL);
 221                 cmd->snooze_window = (mvm->cur_ucode == IWL_UCODE_WOWLAN) ?
 222                         cpu_to_le16(IWL_MVM_WOWLAN_PS_SNOOZE_WINDOW) :
 223                         cpu_to_le16(IWL_MVM_PS_SNOOZE_WINDOW);
 224         }
 225
 226         cmd->uapsd_max_sp = IWL_UAPSD_MAX_SP;
 227
 228         if (mvm->cur_ucode == IWL_UCODE_WOWLAN || cmd->flags &
 229             cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)) {
 230                 cmd->rx_data_timeout_uapsd =
 231                         cpu_to_le32(IWL_MVM_WOWLAN_PS_RX_DATA_TIMEOUT);
 232                 cmd->tx_data_timeout_uapsd =
 233                         cpu_to_le32(IWL_MVM_WOWLAN_PS_TX_DATA_TIMEOUT);
 234         } else {
 235                 cmd->rx_data_timeout_uapsd =
 236                         cpu_to_le32(IWL_MVM_UAPSD_RX_DATA_TIMEOUT);
 237                 cmd->tx_data_timeout_uapsd =
 238                         cpu_to_le32(IWL_MVM_UAPSD_TX_DATA_TIMEOUT);
 239         }
 240
 241         if (cmd->flags & cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)) {
 242                 cmd->heavy_tx_thld_packets =
 243                         IWL_MVM_PS_SNOOZE_HEAVY_TX_THLD_PACKETS;
 244                 cmd->heavy_rx_thld_packets =
 245                         IWL_MVM_PS_SNOOZE_HEAVY_RX_THLD_PACKETS;
 246         } else {
 247                 cmd->heavy_tx_thld_packets =
 248                         IWL_MVM_PS_HEAVY_TX_THLD_PACKETS;
 249                 cmd->heavy_rx_thld_packets =
 250                         IWL_MVM_PS_HEAVY_RX_THLD_PACKETS;
 251         }
 252         cmd->heavy_tx_thld_percentage =
 253                 IWL_MVM_PS_HEAVY_TX_THLD_PERCENT;
 254         cmd->heavy_rx_thld_percentage =
 255                 IWL_MVM_PS_HEAVY_RX_THLD_PERCENT;
 256 }
 257
 258 static bool iwl_mvm_power_allow_uapsd(struct iwl_mvm *mvm,
 259                                        struct ieee80211_vif *vif)
 260 {
 261         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 262
 263         if (!memcmp(mvmvif->uapsd_misbehaving_bssid, vif->bss_conf.bssid,
 264                     ETH_ALEN))
 265                 return false;
 266
 267         if (vif->p2p &&
 268             !(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_P2P_PS_UAPSD))
 269                 return false;
 270         /*
 271          * Avoid using uAPSD if P2P client is associated to GO that uses
 272          * opportunistic power save. This is due to current FW limitation.
 273          */
 274         if (vif->p2p &&
 275             (vif->bss_conf.p2p_noa_attr.oppps_ctwindow &
 276             IEEE80211_P2P_OPPPS_ENABLE_BIT))
 277                 return false;
 278
 279         /*
 280          * Avoid using uAPSD if client is in DCM -
 281          * low latency issue in Miracast
 282          */
 283         if (iwl_mvm_phy_ctx_count(mvm) >= 2)
 284                 return false;
 285
 286         return true;
 287 }
 288
 289 static bool iwl_mvm_power_is_radar(struct ieee80211_vif *vif)
 290 {
 291         struct ieee80211_chanctx_conf *chanctx_conf;
 292         struct ieee80211_channel *chan;
 293         bool radar_detect = false;
 294
 295         rcu_read_lock();
 296         chanctx_conf = rcu_dereference(vif->chanctx_conf);
 297         WARN_ON(!chanctx_conf);
 298         if (chanctx_conf) {
 299                 chan = chanctx_conf->def.chan;
 300                 radar_detect = chan->flags & IEEE80211_CHAN_RADAR;
 301         }
 302         rcu_read_unlock();
 303
 304         return radar_detect;
 305 }
 306
 307 static void iwl_mvm_power_build_cmd(struct iwl_mvm *mvm,
 308                                     struct ieee80211_vif *vif,
 309                                     struct iwl_mac_power_cmd *cmd)
 310 {
 311         int dtimper, dtimper_msec;
 312         int keep_alive;
 313         bool radar_detect = false;
 314         struct iwl_mvm_vif *mvmvif __maybe_unused =
 315                 iwl_mvm_vif_from_mac80211(vif);
 316
 317         cmd->id_and_color = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id,
 318                                                             mvmvif->color));
 319         dtimper = vif->bss_conf.dtim_period;
 320
 321         /*
 322          * Regardless of power management state the driver must set
 323          * keep alive period. FW will use it for sending keep alive NDPs
 324          * immediately after association. Check that keep alive period
 325          * is at least 3 * DTIM
 326          */
 327         dtimper_msec = dtimper * vif->bss_conf.beacon_int;
 328         keep_alive = max_t(int, 3 * dtimper_msec,
 329                            MSEC_PER_SEC * POWER_KEEP_ALIVE_PERIOD_SEC);
 330         keep_alive = DIV_ROUND_UP(keep_alive, MSEC_PER_SEC);
 331         cmd->keep_alive_seconds = cpu_to_le16(keep_alive);
 332
 333         if (mvm->ps_disabled)
 334                 return;
 335
 336         cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_SAVE_ENA_MSK);
 337
 338         if (!vif->bss_conf.ps || iwl_mvm_vif_low_latency(mvmvif) ||
 339             !mvmvif->pm_enabled || iwl_mvm_tdls_sta_count(mvm, vif))
 340                 return;
 341
 342         cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK);
 343
 344         if (vif->bss_conf.beacon_rate &&
 345             (vif->bss_conf.beacon_rate->bitrate == 10 ||
 346              vif->bss_conf.beacon_rate->bitrate == 60)) {
 347                 cmd->flags |= cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK);
 348                 cmd->lprx_rssi_threshold = POWER_LPRX_RSSI_THRESHOLD;
 349         }
 350
 351         /* Check if radar detection is required on current channel */
 352         radar_detect = iwl_mvm_power_is_radar(vif);
 353
 354         /* Check skip over DTIM conditions */
 355         if (!radar_detect && (dtimper <= 10) &&
 356             (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_LP ||
 357              mvm->cur_ucode == IWL_UCODE_WOWLAN)) {
 358                 cmd->flags |= cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK);
 359                 cmd->skip_dtim_periods = 3;
 360         }
 361
 362         if (mvm->cur_ucode != IWL_UCODE_WOWLAN) {
 363                 cmd->rx_data_timeout =
 364                         cpu_to_le32(IWL_MVM_DEFAULT_PS_RX_DATA_TIMEOUT);
 365                 cmd->tx_data_timeout =
 366                         cpu_to_le32(IWL_MVM_DEFAULT_PS_TX_DATA_TIMEOUT);
 367         } else {
 368                 cmd->rx_data_timeout =
 369                         cpu_to_le32(IWL_MVM_WOWLAN_PS_RX_DATA_TIMEOUT);
 370                 cmd->tx_data_timeout =
 371                         cpu_to_le32(IWL_MVM_WOWLAN_PS_TX_DATA_TIMEOUT);
 372         }
 373
 374         if (iwl_mvm_power_allow_uapsd(mvm, vif))
 375                 iwl_mvm_power_configure_uapsd(mvm, vif, cmd);
 376
 377 #ifdef CONFIG_IWLWIFI_DEBUGFS
 378         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_KEEP_ALIVE)
 379                 cmd->keep_alive_seconds =
 380                         cpu_to_le16(mvmvif->dbgfs_pm.keep_alive_seconds);
 381         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SKIP_OVER_DTIM) {
 382                 if (mvmvif->dbgfs_pm.skip_over_dtim)
 383                         cmd->flags |=
 384                                 cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK);
 385                 else
 386                         cmd->flags &=
 387                                 cpu_to_le16(~POWER_FLAGS_SKIP_OVER_DTIM_MSK);
 388         }
 389         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_RX_DATA_TIMEOUT)
 390                 cmd->rx_data_timeout =
 391                         cpu_to_le32(mvmvif->dbgfs_pm.rx_data_timeout);
 392         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_TX_DATA_TIMEOUT)
 393                 cmd->tx_data_timeout =
 394                         cpu_to_le32(mvmvif->dbgfs_pm.tx_data_timeout);
 395         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS)
 396                 cmd->skip_dtim_periods = mvmvif->dbgfs_pm.skip_dtim_periods;
 397         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_LPRX_ENA) {
 398                 if (mvmvif->dbgfs_pm.lprx_ena)
 399                         cmd->flags |= cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK);
 400                 else
 401                         cmd->flags &= cpu_to_le16(~POWER_FLAGS_LPRX_ENA_MSK);
 402         }
 403         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD)
 404                 cmd->lprx_rssi_threshold = mvmvif->dbgfs_pm.lprx_rssi_threshold;
 405         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SNOOZE_ENABLE) {
 406                 if (mvmvif->dbgfs_pm.snooze_ena)
 407                         cmd->flags |=
 408                                 cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK);
 409                 else
 410                         cmd->flags &=
 411                                 cpu_to_le16(~POWER_FLAGS_SNOOZE_ENA_MSK);
 412         }
 413         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_UAPSD_MISBEHAVING) {
 414                 u16 flag = POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK;
 415                 if (mvmvif->dbgfs_pm.uapsd_misbehaving)
 416                         cmd->flags |= cpu_to_le16(flag);
 417                 else
 418                         cmd->flags &= cpu_to_le16(flag);
 419         }
 420 #endif /* CONFIG_IWLWIFI_DEBUGFS */
 421 }
 422
 423 static int iwl_mvm_power_send_cmd(struct iwl_mvm *mvm,
 424                                          struct ieee80211_vif *vif)
 425 {
 426         struct iwl_mac_power_cmd cmd = {};
 427
 428         iwl_mvm_power_build_cmd(mvm, vif, &cmd);
 429         iwl_mvm_power_log(mvm, &cmd);
 430 #ifdef CONFIG_IWLWIFI_DEBUGFS
 431         memcpy(&iwl_mvm_vif_from_mac80211(vif)->mac_pwr_cmd, &cmd, sizeof(cmd));
 432 #endif
 433
 434         return iwl_mvm_send_cmd_pdu(mvm, MAC_PM_POWER_TABLE, 0,
 435                                     sizeof(cmd), &cmd);
 436 }
 437
 438 int iwl_mvm_power_update_device(struct iwl_mvm *mvm)
 439 {
 440         struct iwl_device_power_cmd cmd = {
 441                 .flags = cpu_to_le16(DEVICE_POWER_FLAGS_POWER_SAVE_ENA_MSK),
 442         };
 443
 444         if (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM)
 445                 mvm->ps_disabled = true;
 446
 447         if (mvm->ps_disabled)
 448                 cmd.flags |= cpu_to_le16(DEVICE_POWER_FLAGS_CAM_MSK);
 449
 450 #ifdef CONFIG_IWLWIFI_DEBUGFS
 451         if ((mvm->cur_ucode == IWL_UCODE_WOWLAN) ? mvm->disable_power_off_d3 :
 452             mvm->disable_power_off)
 453                 cmd.flags &=
 454                         cpu_to_le16(~DEVICE_POWER_FLAGS_POWER_SAVE_ENA_MSK);
 455 #endif
 456         IWL_DEBUG_POWER(mvm,
 457                         "Sending device power command with flags = 0x%X\n",
 458                         cmd.flags);
 459
 460         return iwl_mvm_send_cmd_pdu(mvm, POWER_TABLE_CMD, 0, sizeof(cmd),
 461                                     &cmd);
 462 }
 463
 464 void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
 465 {
 466         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 467
 468         if (memcmp(vif->bss_conf.bssid, mvmvif->uapsd_misbehaving_bssid,
 469                    ETH_ALEN))
 470                 memset(mvmvif->uapsd_misbehaving_bssid, 0, ETH_ALEN);
 471 }
 472
 473 static void iwl_mvm_power_uapsd_misbehav_ap_iterator(void *_data, u8 *mac,
 474                                                      struct ieee80211_vif *vif)
 475 {
 476         u8 *ap_sta_id = _data;
 477         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 478
 479         /* The ap_sta_id is not expected to change during current association
 480          * so no explicit protection is needed
 481          */
 482         if (mvmvif->ap_sta_id == *ap_sta_id)
 483                 memcpy(mvmvif->uapsd_misbehaving_bssid, vif->bss_conf.bssid,
 484                        ETH_ALEN);
 485 }
 486
 487 int iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm,
 488                                              struct iwl_rx_cmd_buffer *rxb,
 489                                              struct iwl_device_cmd *cmd)
 490 {
 491         struct iwl_rx_packet *pkt = rxb_addr(rxb);
 492         struct iwl_uapsd_misbehaving_ap_notif *notif = (void *)pkt->data;
 493         u8 ap_sta_id = le32_to_cpu(notif->sta_id);
 494
 495         ieee80211_iterate_active_interfaces_atomic(
 496                 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
 497                 iwl_mvm_power_uapsd_misbehav_ap_iterator, &ap_sta_id);
 498
 499         return 0;
 500 }
 501
 502 struct iwl_power_vifs {
 503         struct iwl_mvm *mvm;
 504         struct ieee80211_vif *bf_vif;
 505         struct ieee80211_vif *bss_vif;
 506         struct ieee80211_vif *p2p_vif;
 507         struct ieee80211_vif *ap_vif;
 508         struct ieee80211_vif *monitor_vif;
 509         bool p2p_active;
 510         bool bss_active;
 511         bool ap_active;
 512         bool monitor_active;
 513 };
 514
 515 static void iwl_mvm_power_disable_pm_iterator(void *_data, u8* mac,
 516                                               struct ieee80211_vif *vif)
 517 {
 518         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 519
 520         mvmvif->pm_enabled = false;
 521 }
 522
 523 static void iwl_mvm_power_ps_disabled_iterator(void *_data, u8* mac,
 524                                                struct ieee80211_vif *vif)
 525 {
 526         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 527         bool *disable_ps = _data;
 528
 529         if (mvmvif->phy_ctxt)
 530                 if (mvmvif->phy_ctxt->id < MAX_PHYS)
 531                         *disable_ps |= mvmvif->ps_disabled;
 532 }
 533
 534 static void iwl_mvm_power_get_vifs_iterator(void *_data, u8 *mac,
 535                                             struct ieee80211_vif *vif)
 536 {
 537         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 538         struct iwl_power_vifs *power_iterator = _data;
 539
 540         switch (ieee80211_vif_type_p2p(vif)) {
 541         case NL80211_IFTYPE_P2P_DEVICE:
 542                 break;
 543
 544         case NL80211_IFTYPE_P2P_GO:
 545         case NL80211_IFTYPE_AP:
 546                 /* only a single MAC of the same type */
 547                 WARN_ON(power_iterator->ap_vif);
 548                 power_iterator->ap_vif = vif;
 549                 if (mvmvif->phy_ctxt)
 550                         if (mvmvif->phy_ctxt->id < MAX_PHYS)
 551                                 power_iterator->ap_active = true;
 552                 break;
 553
 554         case NL80211_IFTYPE_MONITOR:
 555                 /* only a single MAC of the same type */
 556                 WARN_ON(power_iterator->monitor_vif);
 557                 power_iterator->monitor_vif = vif;
 558                 if (mvmvif->phy_ctxt)
 559                         if (mvmvif->phy_ctxt->id < MAX_PHYS)
 560                                 power_iterator->monitor_active = true;
 561                 break;
 562
 563         case NL80211_IFTYPE_P2P_CLIENT:
 564                 /* only a single MAC of the same type */
 565                 WARN_ON(power_iterator->p2p_vif);
 566                 power_iterator->p2p_vif = vif;
 567                 if (mvmvif->phy_ctxt)
 568                         if (mvmvif->phy_ctxt->id < MAX_PHYS)
 569                                 power_iterator->p2p_active = true;
 570                 break;
 571
 572         case NL80211_IFTYPE_STATION:
 573                 /* only a single MAC of the same type */
 574                 WARN_ON(power_iterator->bss_vif);
 575                 power_iterator->bss_vif = vif;
 576                 if (mvmvif->phy_ctxt)
 577                         if (mvmvif->phy_ctxt->id < MAX_PHYS)
 578                                 power_iterator->bss_active = true;
 579
 580                 if (mvmvif->bf_data.bf_enabled &&
 581                     !WARN_ON(power_iterator->bf_vif))
 582                         power_iterator->bf_vif = vif;
 583
 584                 break;
 585
 586         default:
 587                 break;
 588         }
 589 }
 590
 591 static void iwl_mvm_power_set_pm(struct iwl_mvm *mvm,
 592                                  struct iwl_power_vifs *vifs)
 593 {
 594         struct iwl_mvm_vif *bss_mvmvif = NULL;
 595         struct iwl_mvm_vif *p2p_mvmvif = NULL;
 596         struct iwl_mvm_vif *ap_mvmvif = NULL;
 597         bool client_same_channel = false;
 598         bool ap_same_channel = false;
 599
 600         lockdep_assert_held(&mvm->mutex);
 601
 602         /* set pm_enable to false */
 603         ieee80211_iterate_active_interfaces_atomic(mvm->hw,
 604                                         IEEE80211_IFACE_ITER_NORMAL,
 605                                         iwl_mvm_power_disable_pm_iterator,
 606                                         NULL);
 607
 608         if (vifs->bss_vif)
 609                 bss_mvmvif = iwl_mvm_vif_from_mac80211(vifs->bss_vif);
 610
 611         if (vifs->p2p_vif)
 612                 p2p_mvmvif = iwl_mvm_vif_from_mac80211(vifs->p2p_vif);
 613
 614         if (vifs->ap_vif)
 615                 ap_mvmvif = iwl_mvm_vif_from_mac80211(vifs->ap_vif);
 616
 617         /* enable PM on bss if bss stand alone */
 618         if (vifs->bss_active && !vifs->p2p_active && !vifs->ap_active) {
 619                 bss_mvmvif->pm_enabled = true;
 620                 return;
 621         }
 622
 623         /* enable PM on p2p if p2p stand alone */
 624         if (vifs->p2p_active && !vifs->bss_active && !vifs->ap_active) {
 625                 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_P2P_PM)
 626                         p2p_mvmvif->pm_enabled = true;
 627                 return;
 628         }
 629
 630         if (vifs->bss_active && vifs->p2p_active)
 631                 client_same_channel = (bss_mvmvif->phy_ctxt->id ==
 632                                        p2p_mvmvif->phy_ctxt->id);
 633         if (vifs->bss_active && vifs->ap_active)
 634                 ap_same_channel = (bss_mvmvif->phy_ctxt->id ==
 635                                    ap_mvmvif->phy_ctxt->id);
 636
 637         /* clients are not stand alone: enable PM if DCM */
 638         if (!(client_same_channel || ap_same_channel) &&
 639             (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BSS_P2P_PS_DCM)) {
 640                 if (vifs->bss_active)
 641                         bss_mvmvif->pm_enabled = true;
 642                 if (vifs->p2p_active &&
 643                     (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_P2P_PM))
 644                         p2p_mvmvif->pm_enabled = true;
 645                 return;
 646         }
 647
 648         /*
 649          * There is only one channel in the system and there are only
 650          * bss and p2p clients that share it
 651          */
 652         if (client_same_channel && !vifs->ap_active &&
 653             (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BSS_P2P_PS_SCM)) {
 654                 /* share same channel*/
 655                 bss_mvmvif->pm_enabled = true;
 656                 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_P2P_PM)
 657                         p2p_mvmvif->pm_enabled = true;
 658         }
 659 }
 660
 661 #ifdef CONFIG_IWLWIFI_DEBUGFS
 662 int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm,
 663                                  struct ieee80211_vif *vif, char *buf,
 664                                  int bufsz)
 665 {
 666         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 667         struct iwl_mac_power_cmd cmd = {};
 668         int pos = 0;
 669
 670         mutex_lock(&mvm->mutex);
 671         memcpy(&cmd, &mvmvif->mac_pwr_cmd, sizeof(cmd));
 672         mutex_unlock(&mvm->mutex);
 673
 674         pos += scnprintf(buf+pos, bufsz-pos, "power_scheme = %d\n",
 675                          iwlmvm_mod_params.power_scheme);
 676         pos += scnprintf(buf+pos, bufsz-pos, "flags = 0x%x\n",
 677                          le16_to_cpu(cmd.flags));
 678         pos += scnprintf(buf+pos, bufsz-pos, "keep_alive = %d\n",
 679                          le16_to_cpu(cmd.keep_alive_seconds));
 680
 681         if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK)))
 682                 return pos;
 683
 684         pos += scnprintf(buf+pos, bufsz-pos, "skip_over_dtim = %d\n",
 685                          (cmd.flags &
 686                          cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK)) ? 1 : 0);
 687         pos += scnprintf(buf+pos, bufsz-pos, "skip_dtim_periods = %d\n",
 688                          cmd.skip_dtim_periods);
 689         if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK))) {
 690                 pos += scnprintf(buf+pos, bufsz-pos, "rx_data_timeout = %d\n",
 691                                  le32_to_cpu(cmd.rx_data_timeout));
 692                 pos += scnprintf(buf+pos, bufsz-pos, "tx_data_timeout = %d\n",
 693                                  le32_to_cpu(cmd.tx_data_timeout));
 694         }
 695         if (cmd.flags & cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK))
 696                 pos += scnprintf(buf+pos, bufsz-pos,
 697                                  "lprx_rssi_threshold = %d\n",
 698                                  cmd.lprx_rssi_threshold);
 699
 700         if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK)))
 701                 return pos;
 702
 703         pos += scnprintf(buf+pos, bufsz-pos, "rx_data_timeout_uapsd = %d\n",
 704                          le32_to_cpu(cmd.rx_data_timeout_uapsd));
 705         pos += scnprintf(buf+pos, bufsz-pos, "tx_data_timeout_uapsd = %d\n",
 706                          le32_to_cpu(cmd.tx_data_timeout_uapsd));
 707         pos += scnprintf(buf+pos, bufsz-pos, "qndp_tid = %d\n", cmd.qndp_tid);
 708         pos += scnprintf(buf+pos, bufsz-pos, "uapsd_ac_flags = 0x%x\n",
 709                          cmd.uapsd_ac_flags);
 710         pos += scnprintf(buf+pos, bufsz-pos, "uapsd_max_sp = %d\n",
 711                          cmd.uapsd_max_sp);
 712         pos += scnprintf(buf+pos, bufsz-pos, "heavy_tx_thld_packets = %d\n",
 713                          cmd.heavy_tx_thld_packets);
 714         pos += scnprintf(buf+pos, bufsz-pos, "heavy_rx_thld_packets = %d\n",
 715                          cmd.heavy_rx_thld_packets);
 716         pos += scnprintf(buf+pos, bufsz-pos, "heavy_tx_thld_percentage = %d\n",
 717                          cmd.heavy_tx_thld_percentage);
 718         pos += scnprintf(buf+pos, bufsz-pos, "heavy_rx_thld_percentage = %d\n",
 719                          cmd.heavy_rx_thld_percentage);
 720         pos += scnprintf(buf+pos, bufsz-pos, "uapsd_misbehaving_enable = %d\n",
 721                          (cmd.flags &
 722                           cpu_to_le16(POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK)) ?
 723                          1 : 0);
 724
 725         if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)))
 726                 return pos;
 727
 728         pos += scnprintf(buf+pos, bufsz-pos, "snooze_interval = %d\n",
 729                          cmd.snooze_interval);
 730         pos += scnprintf(buf+pos, bufsz-pos, "snooze_window = %d\n",
 731                          cmd.snooze_window);
 732
 733         return pos;
 734 }
 735
 736 void
 737 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
 738                                          struct iwl_beacon_filter_cmd *cmd)
 739 {
 740         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 741         struct iwl_dbgfs_bf *dbgfs_bf = &mvmvif->dbgfs_bf;
 742
 743         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ENERGY_DELTA)
 744                 cmd->bf_energy_delta = cpu_to_le32(dbgfs_bf->bf_energy_delta);
 745         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA)
 746                 cmd->bf_roaming_energy_delta =
 747                                 cpu_to_le32(dbgfs_bf->bf_roaming_energy_delta);
 748         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ROAMING_STATE)
 749                 cmd->bf_roaming_state = cpu_to_le32(dbgfs_bf->bf_roaming_state);
 750         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_THRESHOLD)
 751                 cmd->bf_temp_threshold =
 752                                 cpu_to_le32(dbgfs_bf->bf_temp_threshold);
 753         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_FAST_FILTER)
 754                 cmd->bf_temp_fast_filter =
 755                                 cpu_to_le32(dbgfs_bf->bf_temp_fast_filter);
 756         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_SLOW_FILTER)
 757                 cmd->bf_temp_slow_filter =
 758                                 cpu_to_le32(dbgfs_bf->bf_temp_slow_filter);
 759         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_DEBUG_FLAG)
 760                 cmd->bf_debug_flag = cpu_to_le32(dbgfs_bf->bf_debug_flag);
 761         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ESCAPE_TIMER)
 762                 cmd->bf_escape_timer = cpu_to_le32(dbgfs_bf->bf_escape_timer);
 763         if (dbgfs_bf->mask & MVM_DEBUGFS_BA_ESCAPE_TIMER)
 764                 cmd->ba_escape_timer = cpu_to_le32(dbgfs_bf->ba_escape_timer);
 765         if (dbgfs_bf->mask & MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT)
 766                 cmd->ba_enable_beacon_abort =
 767                                 cpu_to_le32(dbgfs_bf->ba_enable_beacon_abort);
 768 }
 769 #endif
 770
 771 static int _iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
 772                                          struct ieee80211_vif *vif,
 773                                          struct iwl_beacon_filter_cmd *cmd,
 774                                          u32 cmd_flags,
 775                                          bool d0i3)
 776 {
 777         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 778         int ret;
 779
 780         if (mvmvif != mvm->bf_allowed_vif || !vif->bss_conf.dtim_period ||
 781             vif->type != NL80211_IFTYPE_STATION || vif->p2p)
 782                 return 0;
 783
 784         iwl_mvm_beacon_filter_set_cqm_params(mvm, vif, cmd);
 785         if (!d0i3)
 786                 iwl_mvm_beacon_filter_debugfs_parameters(vif, cmd);
 787         ret = iwl_mvm_beacon_filter_send_cmd(mvm, cmd, cmd_flags);
 788
 789         /* don't change bf_enabled in case of temporary d0i3 configuration */
 790         if (!ret && !d0i3)
 791                 mvmvif->bf_data.bf_enabled = true;
 792
 793         return ret;
 794 }
 795
 796 int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
 797                                  struct ieee80211_vif *vif,
 798                                  u32 flags)
 799 {
 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         return _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd, flags, false);
 806 }
 807
 808 static int iwl_mvm_update_beacon_abort(struct iwl_mvm *mvm,
 809                                        struct ieee80211_vif *vif,
 810                                        bool enable)
 811 {
 812         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 813         struct iwl_beacon_filter_cmd cmd = {
 814                 IWL_BF_CMD_CONFIG_DEFAULTS,
 815                 .bf_enable_beacon_filter = cpu_to_le32(1),
 816         };
 817
 818         if (!mvmvif->bf_data.bf_enabled)
 819                 return 0;
 820
 821         if (mvm->cur_ucode == IWL_UCODE_WOWLAN)
 822                 cmd.ba_escape_timer = cpu_to_le32(IWL_BA_ESCAPE_TIMER_D3);
 823
 824         mvmvif->bf_data.ba_enabled = enable;
 825         return _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd, 0, false);
 826 }
 827
 828 int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
 829                                   struct ieee80211_vif *vif,
 830                                   u32 flags)
 831 {
 832         struct iwl_beacon_filter_cmd cmd = {};
 833         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 834         int ret;
 835
 836         if (vif->type != NL80211_IFTYPE_STATION || vif->p2p)
 837                 return 0;
 838
 839         ret = iwl_mvm_beacon_filter_send_cmd(mvm, &cmd, flags);
 840
 841         if (!ret)
 842                 mvmvif->bf_data.bf_enabled = false;
 843
 844         return ret;
 845 }
 846
 847 static int iwl_mvm_power_set_ps(struct iwl_mvm *mvm)
 848 {
 849         bool disable_ps;
 850         int ret;
 851
 852         /* disable PS if CAM */
 853         disable_ps = (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM);
 854         /* ...or if any of the vifs require PS to be off */
 855         ieee80211_iterate_active_interfaces_atomic(mvm->hw,
 856                                         IEEE80211_IFACE_ITER_NORMAL,
 857                                         iwl_mvm_power_ps_disabled_iterator,
 858                                         &disable_ps);
 859
 860         /* update device power state if it has changed */
 861         if (mvm->ps_disabled != disable_ps) {
 862                 bool old_ps_disabled = mvm->ps_disabled;
 863
 864                 mvm->ps_disabled = disable_ps;
 865                 ret = iwl_mvm_power_update_device(mvm);
 866                 if (ret) {
 867                         mvm->ps_disabled = old_ps_disabled;
 868                         return ret;
 869                 }
 870         }
 871
 872         return 0;
 873 }
 874
 875 static int iwl_mvm_power_set_ba(struct iwl_mvm *mvm,
 876                                 struct iwl_power_vifs *vifs)
 877 {
 878         struct iwl_mvm_vif *mvmvif;
 879         bool ba_enable;
 880
 881         if (!vifs->bf_vif)
 882                 return 0;
 883
 884         mvmvif = iwl_mvm_vif_from_mac80211(vifs->bf_vif);
 885
 886         ba_enable = !(!mvmvif->pm_enabled || mvm->ps_disabled ||
 887                       !vifs->bf_vif->bss_conf.ps ||
 888                       iwl_mvm_vif_low_latency(mvmvif));
 889
 890         return iwl_mvm_update_beacon_abort(mvm, vifs->bf_vif, ba_enable);
 891 }
 892
 893 int iwl_mvm_power_update_ps(struct iwl_mvm *mvm)
 894 {
 895         struct iwl_power_vifs vifs = {
 896                 .mvm = mvm,
 897         };
 898         int ret;
 899
 900         lockdep_assert_held(&mvm->mutex);
 901
 902         /* get vifs info */
 903         ieee80211_iterate_active_interfaces_atomic(mvm->hw,
 904                                         IEEE80211_IFACE_ITER_NORMAL,
 905                                         iwl_mvm_power_get_vifs_iterator, &vifs);
 906
 907         ret = iwl_mvm_power_set_ps(mvm);
 908         if (ret)
 909                 return ret;
 910
 911         return iwl_mvm_power_set_ba(mvm, &vifs);
 912 }
 913
 914 int iwl_mvm_power_update_mac(struct iwl_mvm *mvm)
 915 {
 916         struct iwl_power_vifs vifs = {
 917                 .mvm = mvm,
 918         };
 919         int ret;
 920
 921         lockdep_assert_held(&mvm->mutex);
 922
 923         /* get vifs info */
 924         ieee80211_iterate_active_interfaces_atomic(mvm->hw,
 925                                         IEEE80211_IFACE_ITER_NORMAL,
 926                                         iwl_mvm_power_get_vifs_iterator, &vifs);
 927
 928         iwl_mvm_power_set_pm(mvm, &vifs);
 929
 930         ret = iwl_mvm_power_set_ps(mvm);
 931         if (ret)
 932                 return ret;
 933
 934         if (vifs.bss_vif) {
 935                 ret = iwl_mvm_power_send_cmd(mvm, vifs.bss_vif);
 936                 if (ret)
 937                         return ret;
 938         }
 939
 940         if (vifs.p2p_vif) {
 941                 ret = iwl_mvm_power_send_cmd(mvm, vifs.p2p_vif);
 942                 if (ret)
 943                         return ret;
 944         }
 945
 946         return iwl_mvm_power_set_ba(mvm, &vifs);
 947 }
 948
 949 int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm,
 950                                    struct ieee80211_vif *vif,
 951                                    bool enable, u32 flags)
 952 {
 953         int ret;
 954         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 955         struct iwl_mac_power_cmd cmd = {};
 956
 957         if (vif->type != NL80211_IFTYPE_STATION || vif->p2p)
 958                 return 0;
 959
 960         if (!vif->bss_conf.assoc)
 961                 return 0;
 962
 963         iwl_mvm_power_build_cmd(mvm, vif, &cmd);
 964         if (enable) {
 965                 /* configure skip over dtim up to 306TU - 314 msec */
 966                 int dtimper = vif->bss_conf.dtim_period ?: 1;
 967                 int dtimper_tu = dtimper * vif->bss_conf.beacon_int;
 968                 bool radar_detect = iwl_mvm_power_is_radar(vif);
 969
 970                 if (WARN_ON(!dtimper_tu))
 971                         return 0;
 972
 973                 /* Check skip over DTIM conditions */
 974                 /* TODO: check that multicast wake lock is off */
 975                 if (!radar_detect && (dtimper < 10)) {
 976                         cmd.skip_dtim_periods = 306 / dtimper_tu;
 977                         if (cmd.skip_dtim_periods)
 978                                 cmd.flags |= cpu_to_le16(
 979                                         POWER_FLAGS_SKIP_OVER_DTIM_MSK);
 980                 }
 981         }
 982         iwl_mvm_power_log(mvm, &cmd);
 983 #ifdef CONFIG_IWLWIFI_DEBUGFS
 984         memcpy(&mvmvif->mac_pwr_cmd, &cmd, sizeof(cmd));
 985 #endif
 986         ret = iwl_mvm_send_cmd_pdu(mvm, MAC_PM_POWER_TABLE, flags,
 987                                    sizeof(cmd), &cmd);
 988         if (ret)
 989                 return ret;
 990
 991         /* configure beacon filtering */
 992         if (mvmvif != mvm->bf_allowed_vif)
 993                 return 0;
 994
 995         if (enable) {
 996                 struct iwl_beacon_filter_cmd cmd_bf = {
 997                         IWL_BF_CMD_CONFIG_D0I3,
 998                         .bf_enable_beacon_filter = cpu_to_le32(1),
 999                 };
1000                 ret = _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd_bf,
1001                                                     flags, true);
1002         } else {
1003                 if (mvmvif->bf_data.bf_enabled)
1004                         ret = iwl_mvm_enable_beacon_filter(mvm, vif, flags);
1005                 else
1006                         ret = iwl_mvm_disable_beacon_filter(mvm, vif, flags);
1007         }
1008
1009         return ret;
1010 }