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.
   5  *
   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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  14  *
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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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  49  *    contributors may be used to endorse or promote products derived
  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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  60  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  61  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  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 void iwl_mvm_power_build_cmd(struct iwl_mvm *mvm,
 290                                     struct ieee80211_vif *vif,
 291                                     struct iwl_mac_power_cmd *cmd)
 292 {
 293         struct ieee80211_chanctx_conf *chanctx_conf;
 294         struct ieee80211_channel *chan;
 295         int dtimper, dtimper_msec;
 296         int keep_alive;
 297         bool radar_detect = false;
 298         struct iwl_mvm_vif *mvmvif __maybe_unused =
 299                 iwl_mvm_vif_from_mac80211(vif);
 300
 301         cmd->id_and_color = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id,
 302                                                             mvmvif->color));
 303         dtimper = vif->bss_conf.dtim_period;
 304
 305         /*
 306          * Regardless of power management state the driver must set
 307          * keep alive period. FW will use it for sending keep alive NDPs
 308          * immediately after association. Check that keep alive period
 309          * is at least 3 * DTIM
 310          */
 311         dtimper_msec = dtimper * vif->bss_conf.beacon_int;
 312         keep_alive = max_t(int, 3 * dtimper_msec,
 313                            MSEC_PER_SEC * POWER_KEEP_ALIVE_PERIOD_SEC);
 314         keep_alive = DIV_ROUND_UP(keep_alive, MSEC_PER_SEC);
 315         cmd->keep_alive_seconds = cpu_to_le16(keep_alive);
 316
 317         if (mvm->ps_disabled)
 318                 return;
 319
 320         cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_SAVE_ENA_MSK);
 321
 322         if (!vif->bss_conf.ps || iwl_mvm_vif_low_latency(mvmvif) ||
 323             !mvmvif->pm_enabled)
 324                 return;
 325
 326         cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK);
 327
 328         if (vif->bss_conf.beacon_rate &&
 329             (vif->bss_conf.beacon_rate->bitrate == 10 ||
 330              vif->bss_conf.beacon_rate->bitrate == 60)) {
 331                 cmd->flags |= cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK);
 332                 cmd->lprx_rssi_threshold = POWER_LPRX_RSSI_THRESHOLD;
 333         }
 334
 335         /* Check if radar detection is required on current channel */
 336         rcu_read_lock();
 337         chanctx_conf = rcu_dereference(vif->chanctx_conf);
 338         WARN_ON(!chanctx_conf);
 339         if (chanctx_conf) {
 340                 chan = chanctx_conf->def.chan;
 341                 radar_detect = chan->flags & IEEE80211_CHAN_RADAR;
 342         }
 343         rcu_read_unlock();
 344
 345         /* Check skip over DTIM conditions */
 346         if (!radar_detect && (dtimper <= 10) &&
 347             (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_LP ||
 348              mvm->cur_ucode == IWL_UCODE_WOWLAN)) {
 349                 cmd->flags |= cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK);
 350                 cmd->skip_dtim_periods = 3;
 351         }
 352
 353         if (mvm->cur_ucode != IWL_UCODE_WOWLAN) {
 354                 cmd->rx_data_timeout =
 355                         cpu_to_le32(IWL_MVM_DEFAULT_PS_RX_DATA_TIMEOUT);
 356                 cmd->tx_data_timeout =
 357                         cpu_to_le32(IWL_MVM_DEFAULT_PS_TX_DATA_TIMEOUT);
 358         } else {
 359                 cmd->rx_data_timeout =
 360                         cpu_to_le32(IWL_MVM_WOWLAN_PS_RX_DATA_TIMEOUT);
 361                 cmd->tx_data_timeout =
 362                         cpu_to_le32(IWL_MVM_WOWLAN_PS_TX_DATA_TIMEOUT);
 363         }
 364
 365         if (iwl_mvm_power_allow_uapsd(mvm, vif))
 366                 iwl_mvm_power_configure_uapsd(mvm, vif, cmd);
 367
 368 #ifdef CONFIG_IWLWIFI_DEBUGFS
 369         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_KEEP_ALIVE)
 370                 cmd->keep_alive_seconds =
 371                         cpu_to_le16(mvmvif->dbgfs_pm.keep_alive_seconds);
 372         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SKIP_OVER_DTIM) {
 373                 if (mvmvif->dbgfs_pm.skip_over_dtim)
 374                         cmd->flags |=
 375                                 cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK);
 376                 else
 377                         cmd->flags &=
 378                                 cpu_to_le16(~POWER_FLAGS_SKIP_OVER_DTIM_MSK);
 379         }
 380         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_RX_DATA_TIMEOUT)
 381                 cmd->rx_data_timeout =
 382                         cpu_to_le32(mvmvif->dbgfs_pm.rx_data_timeout);
 383         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_TX_DATA_TIMEOUT)
 384                 cmd->tx_data_timeout =
 385                         cpu_to_le32(mvmvif->dbgfs_pm.tx_data_timeout);
 386         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS)
 387                 cmd->skip_dtim_periods = mvmvif->dbgfs_pm.skip_dtim_periods;
 388         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_LPRX_ENA) {
 389                 if (mvmvif->dbgfs_pm.lprx_ena)
 390                         cmd->flags |= cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK);
 391                 else
 392                         cmd->flags &= cpu_to_le16(~POWER_FLAGS_LPRX_ENA_MSK);
 393         }
 394         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD)
 395                 cmd->lprx_rssi_threshold = mvmvif->dbgfs_pm.lprx_rssi_threshold;
 396         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SNOOZE_ENABLE) {
 397                 if (mvmvif->dbgfs_pm.snooze_ena)
 398                         cmd->flags |=
 399                                 cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK);
 400                 else
 401                         cmd->flags &=
 402                                 cpu_to_le16(~POWER_FLAGS_SNOOZE_ENA_MSK);
 403         }
 404         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_UAPSD_MISBEHAVING) {
 405                 u16 flag = POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK;
 406                 if (mvmvif->dbgfs_pm.uapsd_misbehaving)
 407                         cmd->flags |= cpu_to_le16(flag);
 408                 else
 409                         cmd->flags &= cpu_to_le16(flag);
 410         }
 411 #endif /* CONFIG_IWLWIFI_DEBUGFS */
 412 }
 413
 414 static int iwl_mvm_power_send_cmd(struct iwl_mvm *mvm,
 415                                          struct ieee80211_vif *vif)
 416 {
 417         struct iwl_mac_power_cmd cmd = {};
 418
 419         iwl_mvm_power_build_cmd(mvm, vif, &cmd);
 420         iwl_mvm_power_log(mvm, &cmd);
 421 #ifdef CONFIG_IWLWIFI_DEBUGFS
 422         memcpy(&iwl_mvm_vif_from_mac80211(vif)->mac_pwr_cmd, &cmd, sizeof(cmd));
 423 #endif
 424
 425         return iwl_mvm_send_cmd_pdu(mvm, MAC_PM_POWER_TABLE, 0,
 426                                     sizeof(cmd), &cmd);
 427 }
 428
 429 int iwl_mvm_power_update_device(struct iwl_mvm *mvm)
 430 {
 431         struct iwl_device_power_cmd cmd = {
 432                 .flags = cpu_to_le16(DEVICE_POWER_FLAGS_POWER_SAVE_ENA_MSK),
 433         };
 434
 435         if (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM)
 436                 mvm->ps_disabled = true;
 437
 438         if (mvm->ps_disabled)
 439                 cmd.flags |= cpu_to_le16(DEVICE_POWER_FLAGS_CAM_MSK);
 440
 441 #ifdef CONFIG_IWLWIFI_DEBUGFS
 442         if ((mvm->cur_ucode == IWL_UCODE_WOWLAN) ? mvm->disable_power_off_d3 :
 443             mvm->disable_power_off)
 444                 cmd.flags &=
 445                         cpu_to_le16(~DEVICE_POWER_FLAGS_POWER_SAVE_ENA_MSK);
 446 #endif
 447         IWL_DEBUG_POWER(mvm,
 448                         "Sending device power command with flags = 0x%X\n",
 449                         cmd.flags);
 450
 451         return iwl_mvm_send_cmd_pdu(mvm, POWER_TABLE_CMD, 0, sizeof(cmd),
 452                                     &cmd);
 453 }
 454
 455 void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
 456 {
 457         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 458
 459         if (memcmp(vif->bss_conf.bssid, mvmvif->uapsd_misbehaving_bssid,
 460                    ETH_ALEN))
 461                 memset(mvmvif->uapsd_misbehaving_bssid, 0, ETH_ALEN);
 462 }
 463
 464 static void iwl_mvm_power_uapsd_misbehav_ap_iterator(void *_data, u8 *mac,
 465                                                      struct ieee80211_vif *vif)
 466 {
 467         u8 *ap_sta_id = _data;
 468         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 469
 470         /* The ap_sta_id is not expected to change during current association
 471          * so no explicit protection is needed
 472          */
 473         if (mvmvif->ap_sta_id == *ap_sta_id)
 474                 memcpy(mvmvif->uapsd_misbehaving_bssid, vif->bss_conf.bssid,
 475                        ETH_ALEN);
 476 }
 477
 478 int iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm,
 479                                              struct iwl_rx_cmd_buffer *rxb,
 480                                              struct iwl_device_cmd *cmd)
 481 {
 482         struct iwl_rx_packet *pkt = rxb_addr(rxb);
 483         struct iwl_uapsd_misbehaving_ap_notif *notif = (void *)pkt->data;
 484         u8 ap_sta_id = le32_to_cpu(notif->sta_id);
 485
 486         ieee80211_iterate_active_interfaces_atomic(
 487                 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
 488                 iwl_mvm_power_uapsd_misbehav_ap_iterator, &ap_sta_id);
 489
 490         return 0;
 491 }
 492
 493 struct iwl_power_vifs {
 494         struct iwl_mvm *mvm;
 495         struct ieee80211_vif *bf_vif;
 496         struct ieee80211_vif *bss_vif;
 497         struct ieee80211_vif *p2p_vif;
 498         struct ieee80211_vif *ap_vif;
 499         struct ieee80211_vif *monitor_vif;
 500         bool p2p_active;
 501         bool bss_active;
 502         bool ap_active;
 503         bool monitor_active;
 504         bool bss_tdls;
 505         bool p2p_tdls;
 506 };
 507
 508 static void iwl_mvm_power_disable_pm_iterator(void *_data, u8* mac,
 509                                               struct ieee80211_vif *vif)
 510 {
 511         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 512
 513         mvmvif->pm_enabled = false;
 514 }
 515
 516 static void iwl_mvm_power_ps_disabled_iterator(void *_data, u8* mac,
 517                                                struct ieee80211_vif *vif)
 518 {
 519         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 520         bool *disable_ps = _data;
 521
 522         if (mvmvif->phy_ctxt)
 523                 if (mvmvif->phy_ctxt->id < MAX_PHYS)
 524                         *disable_ps |= mvmvif->ps_disabled;
 525 }
 526
 527 static void iwl_mvm_power_get_vifs_iterator(void *_data, u8 *mac,
 528                                             struct ieee80211_vif *vif)
 529 {
 530         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 531         struct iwl_power_vifs *power_iterator = _data;
 532
 533         switch (ieee80211_vif_type_p2p(vif)) {
 534         case NL80211_IFTYPE_P2P_DEVICE:
 535                 break;
 536
 537         case NL80211_IFTYPE_P2P_GO:
 538         case NL80211_IFTYPE_AP:
 539                 /* only a single MAC of the same type */
 540                 WARN_ON(power_iterator->ap_vif);
 541                 power_iterator->ap_vif = vif;
 542                 if (mvmvif->phy_ctxt)
 543                         if (mvmvif->phy_ctxt->id < MAX_PHYS)
 544                                 power_iterator->ap_active = true;
 545                 break;
 546
 547         case NL80211_IFTYPE_MONITOR:
 548                 /* only a single MAC of the same type */
 549                 WARN_ON(power_iterator->monitor_vif);
 550                 power_iterator->monitor_vif = vif;
 551                 if (mvmvif->phy_ctxt)
 552                         if (mvmvif->phy_ctxt->id < MAX_PHYS)
 553                                 power_iterator->monitor_active = true;
 554                 break;
 555
 556         case NL80211_IFTYPE_P2P_CLIENT:
 557                 /* only a single MAC of the same type */
 558                 WARN_ON(power_iterator->p2p_vif);
 559                 power_iterator->p2p_vif = vif;
 560                 power_iterator->p2p_tdls =
 561                         !!iwl_mvm_tdls_sta_count(power_iterator->mvm, vif);
 562                 if (mvmvif->phy_ctxt)
 563                         if (mvmvif->phy_ctxt->id < MAX_PHYS)
 564                                 power_iterator->p2p_active = true;
 565                 break;
 566
 567         case NL80211_IFTYPE_STATION:
 568                 /* only a single MAC of the same type */
 569                 WARN_ON(power_iterator->bss_vif);
 570                 power_iterator->bss_vif = vif;
 571                 power_iterator->bss_tdls =
 572                         !!iwl_mvm_tdls_sta_count(power_iterator->mvm, vif);
 573                 if (mvmvif->phy_ctxt)
 574                         if (mvmvif->phy_ctxt->id < MAX_PHYS)
 575                                 power_iterator->bss_active = true;
 576
 577                 if (mvmvif->bf_data.bf_enabled &&
 578                     !WARN_ON(power_iterator->bf_vif))
 579                         power_iterator->bf_vif = vif;
 580
 581                 break;
 582
 583         default:
 584                 break;
 585         }
 586 }
 587
 588 static void iwl_mvm_power_set_pm(struct iwl_mvm *mvm,
 589                                  struct iwl_power_vifs *vifs)
 590 {
 591         struct iwl_mvm_vif *bss_mvmvif = NULL;
 592         struct iwl_mvm_vif *p2p_mvmvif = NULL;
 593         struct iwl_mvm_vif *ap_mvmvif = NULL;
 594         bool client_same_channel = false;
 595         bool ap_same_channel = false;
 596
 597         lockdep_assert_held(&mvm->mutex);
 598
 599         /* set pm_enable to false */
 600         ieee80211_iterate_active_interfaces_atomic(mvm->hw,
 601                                         IEEE80211_IFACE_ITER_NORMAL,
 602                                         iwl_mvm_power_disable_pm_iterator,
 603                                         NULL);
 604
 605         if (vifs->bss_vif)
 606                 bss_mvmvif = iwl_mvm_vif_from_mac80211(vifs->bss_vif);
 607
 608         if (vifs->p2p_vif)
 609                 p2p_mvmvif = iwl_mvm_vif_from_mac80211(vifs->p2p_vif);
 610
 611         if (vifs->ap_vif)
 612                 ap_mvmvif = iwl_mvm_vif_from_mac80211(vifs->ap_vif);
 613
 614         /* enable PM on bss if bss stand alone */
 615         if (vifs->bss_active && !vifs->p2p_active && !vifs->ap_active &&
 616             !vifs->bss_tdls) {
 617                 bss_mvmvif->pm_enabled = true;
 618                 return;
 619         }
 620
 621         /* enable PM on p2p if p2p stand alone */
 622         if (vifs->p2p_active && !vifs->bss_active && !vifs->ap_active &&
 623             !vifs->p2p_tdls) {
 624                 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_P2P_PM)
 625                         p2p_mvmvif->pm_enabled = true;
 626                 return;
 627         }
 628
 629         if (vifs->bss_active && vifs->p2p_active)
 630                 client_same_channel = (bss_mvmvif->phy_ctxt->id ==
 631                                        p2p_mvmvif->phy_ctxt->id);
 632         if (vifs->bss_active && vifs->ap_active)
 633                 ap_same_channel = (bss_mvmvif->phy_ctxt->id ==
 634                                    ap_mvmvif->phy_ctxt->id);
 635
 636         /* clients are not stand alone: enable PM if DCM */
 637         if (!(client_same_channel || ap_same_channel) &&
 638             (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BSS_P2P_PS_DCM)) {
 639                 if (vifs->bss_active)
 640                         bss_mvmvif->pm_enabled = true;
 641                 if (vifs->p2p_active &&
 642                     (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_P2P_PM))
 643                         p2p_mvmvif->pm_enabled = true;
 644                 return;
 645         }
 646
 647         /*
 648          * There is only one channel in the system and there are only
 649          * bss and p2p clients that share it
 650          */
 651         if (client_same_channel && !vifs->ap_active &&
 652             (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BSS_P2P_PS_SCM)) {
 653                 /* share same channel*/
 654                 bss_mvmvif->pm_enabled = true;
 655                 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_P2P_PM)
 656                         p2p_mvmvif->pm_enabled = true;
 657         }
 658 }
 659
 660 #ifdef CONFIG_IWLWIFI_DEBUGFS
 661 int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm,
 662                                  struct ieee80211_vif *vif, char *buf,
 663                                  int bufsz)
 664 {
 665         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 666         struct iwl_mac_power_cmd cmd = {};
 667         int pos = 0;
 668
 669         mutex_lock(&mvm->mutex);
 670         memcpy(&cmd, &mvmvif->mac_pwr_cmd, sizeof(cmd));
 671         mutex_unlock(&mvm->mutex);
 672
 673         pos += scnprintf(buf+pos, bufsz-pos, "power_scheme = %d\n",
 674                          iwlmvm_mod_params.power_scheme);
 675         pos += scnprintf(buf+pos, bufsz-pos, "flags = 0x%x\n",
 676                          le16_to_cpu(cmd.flags));
 677         pos += scnprintf(buf+pos, bufsz-pos, "keep_alive = %d\n",
 678                          le16_to_cpu(cmd.keep_alive_seconds));
 679
 680         if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK)))
 681                 return pos;
 682
 683         pos += scnprintf(buf+pos, bufsz-pos, "skip_over_dtim = %d\n",
 684                          (cmd.flags &
 685                          cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK)) ? 1 : 0);
 686         pos += scnprintf(buf+pos, bufsz-pos, "skip_dtim_periods = %d\n",
 687                          cmd.skip_dtim_periods);
 688         if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK))) {
 689                 pos += scnprintf(buf+pos, bufsz-pos, "rx_data_timeout = %d\n",
 690                                  le32_to_cpu(cmd.rx_data_timeout));
 691                 pos += scnprintf(buf+pos, bufsz-pos, "tx_data_timeout = %d\n",
 692                                  le32_to_cpu(cmd.tx_data_timeout));
 693         }
 694         if (cmd.flags & cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK))
 695                 pos += scnprintf(buf+pos, bufsz-pos,
 696                                  "lprx_rssi_threshold = %d\n",
 697                                  cmd.lprx_rssi_threshold);
 698
 699         if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK)))
 700                 return pos;
 701
 702         pos += scnprintf(buf+pos, bufsz-pos, "rx_data_timeout_uapsd = %d\n",
 703                          le32_to_cpu(cmd.rx_data_timeout_uapsd));
 704         pos += scnprintf(buf+pos, bufsz-pos, "tx_data_timeout_uapsd = %d\n",
 705                          le32_to_cpu(cmd.tx_data_timeout_uapsd));
 706         pos += scnprintf(buf+pos, bufsz-pos, "qndp_tid = %d\n", cmd.qndp_tid);
 707         pos += scnprintf(buf+pos, bufsz-pos, "uapsd_ac_flags = 0x%x\n",
 708                          cmd.uapsd_ac_flags);
 709         pos += scnprintf(buf+pos, bufsz-pos, "uapsd_max_sp = %d\n",
 710                          cmd.uapsd_max_sp);
 711         pos += scnprintf(buf+pos, bufsz-pos, "heavy_tx_thld_packets = %d\n",
 712                          cmd.heavy_tx_thld_packets);
 713         pos += scnprintf(buf+pos, bufsz-pos, "heavy_rx_thld_packets = %d\n",
 714                          cmd.heavy_rx_thld_packets);
 715         pos += scnprintf(buf+pos, bufsz-pos, "heavy_tx_thld_percentage = %d\n",
 716                          cmd.heavy_tx_thld_percentage);
 717         pos += scnprintf(buf+pos, bufsz-pos, "heavy_rx_thld_percentage = %d\n",
 718                          cmd.heavy_rx_thld_percentage);
 719         pos += scnprintf(buf+pos, bufsz-pos, "uapsd_misbehaving_enable = %d\n",
 720                          (cmd.flags &
 721                           cpu_to_le16(POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK)) ?
 722                          1 : 0);
 723
 724         if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)))
 725                 return pos;
 726
 727         pos += scnprintf(buf+pos, bufsz-pos, "snooze_interval = %d\n",
 728                          cmd.snooze_interval);
 729         pos += scnprintf(buf+pos, bufsz-pos, "snooze_window = %d\n",
 730                          cmd.snooze_window);
 731
 732         return pos;
 733 }
 734
 735 void
 736 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
 737                                          struct iwl_beacon_filter_cmd *cmd)
 738 {
 739         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 740         struct iwl_dbgfs_bf *dbgfs_bf = &mvmvif->dbgfs_bf;
 741
 742         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ENERGY_DELTA)
 743                 cmd->bf_energy_delta = cpu_to_le32(dbgfs_bf->bf_energy_delta);
 744         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA)
 745                 cmd->bf_roaming_energy_delta =
 746                                 cpu_to_le32(dbgfs_bf->bf_roaming_energy_delta);
 747         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ROAMING_STATE)
 748                 cmd->bf_roaming_state = cpu_to_le32(dbgfs_bf->bf_roaming_state);
 749         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_THRESHOLD)
 750                 cmd->bf_temp_threshold =
 751                                 cpu_to_le32(dbgfs_bf->bf_temp_threshold);
 752         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_FAST_FILTER)
 753                 cmd->bf_temp_fast_filter =
 754                                 cpu_to_le32(dbgfs_bf->bf_temp_fast_filter);
 755         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_SLOW_FILTER)
 756                 cmd->bf_temp_slow_filter =
 757                                 cpu_to_le32(dbgfs_bf->bf_temp_slow_filter);
 758         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_DEBUG_FLAG)
 759                 cmd->bf_debug_flag = cpu_to_le32(dbgfs_bf->bf_debug_flag);
 760         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ESCAPE_TIMER)
 761                 cmd->bf_escape_timer = cpu_to_le32(dbgfs_bf->bf_escape_timer);
 762         if (dbgfs_bf->mask & MVM_DEBUGFS_BA_ESCAPE_TIMER)
 763                 cmd->ba_escape_timer = cpu_to_le32(dbgfs_bf->ba_escape_timer);
 764         if (dbgfs_bf->mask & MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT)
 765                 cmd->ba_enable_beacon_abort =
 766                                 cpu_to_le32(dbgfs_bf->ba_enable_beacon_abort);
 767 }
 768 #endif
 769
 770 static int _iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
 771                                          struct ieee80211_vif *vif,
 772                                          struct iwl_beacon_filter_cmd *cmd,
 773                                          u32 cmd_flags,
 774                                          bool d0i3)
 775 {
 776         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 777         int ret;
 778
 779         if (mvmvif != mvm->bf_allowed_vif || !vif->bss_conf.dtim_period ||
 780             vif->type != NL80211_IFTYPE_STATION || vif->p2p)
 781                 return 0;
 782
 783         iwl_mvm_beacon_filter_set_cqm_params(mvm, vif, cmd);
 784         if (!d0i3)
 785                 iwl_mvm_beacon_filter_debugfs_parameters(vif, cmd);
 786         ret = iwl_mvm_beacon_filter_send_cmd(mvm, cmd, cmd_flags);
 787
 788         /* don't change bf_enabled in case of temporary d0i3 configuration */
 789         if (!ret && !d0i3)
 790                 mvmvif->bf_data.bf_enabled = true;
 791
 792         return ret;
 793 }
 794
 795 int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
 796                                  struct ieee80211_vif *vif,
 797                                  u32 flags)
 798 {
 799         struct iwl_beacon_filter_cmd cmd = {
 800                 IWL_BF_CMD_CONFIG_DEFAULTS,
 801                 .bf_enable_beacon_filter = cpu_to_le32(1),
 802         };
 803
 804         return _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd, flags, false);
 805 }
 806
 807 static int iwl_mvm_update_beacon_abort(struct iwl_mvm *mvm,
 808                                        struct ieee80211_vif *vif,
 809                                        bool enable)
 810 {
 811         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 812         struct iwl_beacon_filter_cmd cmd = {
 813                 IWL_BF_CMD_CONFIG_DEFAULTS,
 814                 .bf_enable_beacon_filter = cpu_to_le32(1),
 815         };
 816
 817         if (!mvmvif->bf_data.bf_enabled)
 818                 return 0;
 819
 820         if (mvm->cur_ucode == IWL_UCODE_WOWLAN)
 821                 cmd.ba_escape_timer = cpu_to_le32(IWL_BA_ESCAPE_TIMER_D3);
 822
 823         mvmvif->bf_data.ba_enabled = enable;
 824         return _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd, 0, false);
 825 }
 826
 827 int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
 828                                   struct ieee80211_vif *vif,
 829                                   u32 flags)
 830 {
 831         struct iwl_beacon_filter_cmd cmd = {};
 832         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 833         int ret;
 834
 835         if (vif->type != NL80211_IFTYPE_STATION || vif->p2p)
 836                 return 0;
 837
 838         ret = iwl_mvm_beacon_filter_send_cmd(mvm, &cmd, flags);
 839
 840         if (!ret)
 841                 mvmvif->bf_data.bf_enabled = false;
 842
 843         return ret;
 844 }
 845
 846 static int iwl_mvm_power_set_ps(struct iwl_mvm *mvm)
 847 {
 848         bool disable_ps;
 849         int ret;
 850
 851         /* disable PS if CAM */
 852         disable_ps = (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM);
 853         /* ...or if any of the vifs require PS to be off */
 854         ieee80211_iterate_active_interfaces_atomic(mvm->hw,
 855                                         IEEE80211_IFACE_ITER_NORMAL,
 856                                         iwl_mvm_power_ps_disabled_iterator,
 857                                         &disable_ps);
 858
 859         /* update device power state if it has changed */
 860         if (mvm->ps_disabled != disable_ps) {
 861                 bool old_ps_disabled = mvm->ps_disabled;
 862
 863                 mvm->ps_disabled = disable_ps;
 864                 ret = iwl_mvm_power_update_device(mvm);
 865                 if (ret) {
 866                         mvm->ps_disabled = old_ps_disabled;
 867                         return ret;
 868                 }
 869         }
 870
 871         return 0;
 872 }
 873
 874 static int iwl_mvm_power_set_ba(struct iwl_mvm *mvm,
 875                                 struct iwl_power_vifs *vifs)
 876 {
 877         struct iwl_mvm_vif *mvmvif;
 878         bool ba_enable;
 879
 880         if (!vifs->bf_vif)
 881                 return 0;
 882
 883         mvmvif = iwl_mvm_vif_from_mac80211(vifs->bf_vif);
 884
 885         ba_enable = !(!mvmvif->pm_enabled || mvm->ps_disabled ||
 886                       !vifs->bf_vif->bss_conf.ps ||
 887                       iwl_mvm_vif_low_latency(mvmvif));
 888
 889         return iwl_mvm_update_beacon_abort(mvm, vifs->bf_vif, ba_enable);
 890 }
 891
 892 int iwl_mvm_power_update_ps(struct iwl_mvm *mvm)
 893 {
 894         struct iwl_power_vifs vifs = {
 895                 .mvm = mvm,
 896         };
 897         int ret;
 898
 899         lockdep_assert_held(&mvm->mutex);
 900
 901         /* get vifs info */
 902         ieee80211_iterate_active_interfaces_atomic(mvm->hw,
 903                                         IEEE80211_IFACE_ITER_NORMAL,
 904                                         iwl_mvm_power_get_vifs_iterator, &vifs);
 905
 906         ret = iwl_mvm_power_set_ps(mvm);
 907         if (ret)
 908                 return ret;
 909
 910         return iwl_mvm_power_set_ba(mvm, &vifs);
 911 }
 912
 913 int iwl_mvm_power_update_mac(struct iwl_mvm *mvm)
 914 {
 915         struct iwl_power_vifs vifs = {
 916                 .mvm = mvm,
 917         };
 918         int ret;
 919
 920         lockdep_assert_held(&mvm->mutex);
 921
 922         /* get vifs info */
 923         ieee80211_iterate_active_interfaces_atomic(mvm->hw,
 924                                         IEEE80211_IFACE_ITER_NORMAL,
 925                                         iwl_mvm_power_get_vifs_iterator, &vifs);
 926
 927         iwl_mvm_power_set_pm(mvm, &vifs);
 928
 929         ret = iwl_mvm_power_set_ps(mvm);
 930         if (ret)
 931                 return ret;
 932
 933         if (vifs.bss_vif) {
 934                 ret = iwl_mvm_power_send_cmd(mvm, vifs.bss_vif);
 935                 if (ret)
 936                         return ret;
 937         }
 938
 939         if (vifs.p2p_vif) {
 940                 ret = iwl_mvm_power_send_cmd(mvm, vifs.p2p_vif);
 941                 if (ret)
 942                         return ret;
 943         }
 944
 945         return iwl_mvm_power_set_ba(mvm, &vifs);
 946 }
 947
 948 int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm,
 949                                    struct ieee80211_vif *vif,
 950                                    bool enable, u32 flags)
 951 {
 952         int ret;
 953         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 954         struct iwl_mac_power_cmd cmd = {};
 955
 956         if (vif->type != NL80211_IFTYPE_STATION || vif->p2p)
 957                 return 0;
 958
 959         if (!vif->bss_conf.assoc)
 960                 return 0;
 961
 962         iwl_mvm_power_build_cmd(mvm, vif, &cmd);
 963         if (enable) {
 964                 /* configure skip over dtim up to 300 msec */
 965                 int dtimper = vif->bss_conf.dtim_period ?: 1;
 966                 int dtimper_msec = dtimper * vif->bss_conf.beacon_int;
 967
 968                 if (WARN_ON(!dtimper_msec))
 969                         return 0;
 970
 971                 cmd.skip_dtim_periods = 300 / dtimper_msec;
 972                 if (cmd.skip_dtim_periods)
 973                         cmd.flags |=
 974                                 cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK);
 975         }
 976         iwl_mvm_power_log(mvm, &cmd);
 977 #ifdef CONFIG_IWLWIFI_DEBUGFS
 978         memcpy(&mvmvif->mac_pwr_cmd, &cmd, sizeof(cmd));
 979 #endif
 980         ret = iwl_mvm_send_cmd_pdu(mvm, MAC_PM_POWER_TABLE, flags,
 981                                    sizeof(cmd), &cmd);
 982         if (ret)
 983                 return ret;
 984
 985         /* configure beacon filtering */
 986         if (mvmvif != mvm->bf_allowed_vif)
 987                 return 0;
 988
 989         if (enable) {
 990                 struct iwl_beacon_filter_cmd cmd_bf = {
 991                         IWL_BF_CMD_CONFIG_D0I3,
 992                         .bf_enable_beacon_filter = cpu_to_le32(1),
 993                 };
 994                 ret = _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd_bf,
 995                                                     flags, true);
 996         } else {
 997                 if (mvmvif->bf_data.bf_enabled)
 998                         ret = iwl_mvm_enable_beacon_filter(mvm, vif, flags);
 999                 else
1000                         ret = iwl_mvm_disable_beacon_filter(mvm, vif, flags);
1001         }
1002
1003         return ret;
1004 }