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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  34  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
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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
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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 #include <linux/etherdevice.h>
  70
  71 #include <net/mac80211.h>
  72
  73 #include "iwl-debug.h"
  74 #include "mvm.h"
  75 #include "iwl-modparams.h"
  76 #include "fw-api-power.h"
  77
  78 #define POWER_KEEP_ALIVE_PERIOD_SEC    25
  79
  80 static
  81 int iwl_mvm_beacon_filter_send_cmd(struct iwl_mvm *mvm,
  82                                    struct iwl_beacon_filter_cmd *cmd,
  83                                    u32 flags)
  84 {
  85         IWL_DEBUG_POWER(mvm, "ba_enable_beacon_abort is: %d\n",
  86                         le32_to_cpu(cmd->ba_enable_beacon_abort));
  87         IWL_DEBUG_POWER(mvm, "ba_escape_timer is: %d\n",
  88                         le32_to_cpu(cmd->ba_escape_timer));
  89         IWL_DEBUG_POWER(mvm, "bf_debug_flag is: %d\n",
  90                         le32_to_cpu(cmd->bf_debug_flag));
  91         IWL_DEBUG_POWER(mvm, "bf_enable_beacon_filter is: %d\n",
  92                         le32_to_cpu(cmd->bf_enable_beacon_filter));
  93         IWL_DEBUG_POWER(mvm, "bf_energy_delta is: %d\n",
  94                         le32_to_cpu(cmd->bf_energy_delta));
  95         IWL_DEBUG_POWER(mvm, "bf_escape_timer is: %d\n",
  96                         le32_to_cpu(cmd->bf_escape_timer));
  97         IWL_DEBUG_POWER(mvm, "bf_roaming_energy_delta is: %d\n",
  98                         le32_to_cpu(cmd->bf_roaming_energy_delta));
  99         IWL_DEBUG_POWER(mvm, "bf_roaming_state is: %d\n",
 100                         le32_to_cpu(cmd->bf_roaming_state));
 101         IWL_DEBUG_POWER(mvm, "bf_temp_threshold is: %d\n",
 102                         le32_to_cpu(cmd->bf_temp_threshold));
 103         IWL_DEBUG_POWER(mvm, "bf_temp_fast_filter is: %d\n",
 104                         le32_to_cpu(cmd->bf_temp_fast_filter));
 105         IWL_DEBUG_POWER(mvm, "bf_temp_slow_filter is: %d\n",
 106                         le32_to_cpu(cmd->bf_temp_slow_filter));
 107
 108         return iwl_mvm_send_cmd_pdu(mvm, REPLY_BEACON_FILTERING_CMD, flags,
 109                                     sizeof(struct iwl_beacon_filter_cmd), cmd);
 110 }
 111
 112 static
 113 void iwl_mvm_beacon_filter_set_cqm_params(struct iwl_mvm *mvm,
 114                                           struct ieee80211_vif *vif,
 115                                           struct iwl_beacon_filter_cmd *cmd,
 116                                           bool d0i3)
 117 {
 118         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 119
 120         if (vif->bss_conf.cqm_rssi_thold && !d0i3) {
 121                 cmd->bf_energy_delta =
 122                         cpu_to_le32(vif->bss_conf.cqm_rssi_hyst);
 123                 /* fw uses an absolute value for this */
 124                 cmd->bf_roaming_state =
 125                         cpu_to_le32(-vif->bss_conf.cqm_rssi_thold);
 126         }
 127         cmd->ba_enable_beacon_abort = cpu_to_le32(mvmvif->bf_data.ba_enabled);
 128 }
 129
 130 static void iwl_mvm_power_log(struct iwl_mvm *mvm,
 131                               struct iwl_mac_power_cmd *cmd)
 132 {
 133         IWL_DEBUG_POWER(mvm,
 134                         "Sending power table command on mac id 0x%X for power level %d, flags = 0x%X\n",
 135                         cmd->id_and_color, iwlmvm_mod_params.power_scheme,
 136                         le16_to_cpu(cmd->flags));
 137         IWL_DEBUG_POWER(mvm, "Keep alive = %u sec\n",
 138                         le16_to_cpu(cmd->keep_alive_seconds));
 139
 140         if (!(cmd->flags & cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK))) {
 141                 IWL_DEBUG_POWER(mvm, "Disable power management\n");
 142                 return;
 143         }
 144
 145         IWL_DEBUG_POWER(mvm, "Rx timeout = %u usec\n",
 146                         le32_to_cpu(cmd->rx_data_timeout));
 147         IWL_DEBUG_POWER(mvm, "Tx timeout = %u usec\n",
 148                         le32_to_cpu(cmd->tx_data_timeout));
 149         if (cmd->flags & cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK))
 150                 IWL_DEBUG_POWER(mvm, "DTIM periods to skip = %u\n",
 151                                 cmd->skip_dtim_periods);
 152         if (cmd->flags & cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK))
 153                 IWL_DEBUG_POWER(mvm, "LP RX RSSI threshold = %u\n",
 154                                 cmd->lprx_rssi_threshold);
 155         if (cmd->flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK)) {
 156                 IWL_DEBUG_POWER(mvm, "uAPSD enabled\n");
 157                 IWL_DEBUG_POWER(mvm, "Rx timeout (uAPSD) = %u usec\n",
 158                                 le32_to_cpu(cmd->rx_data_timeout_uapsd));
 159                 IWL_DEBUG_POWER(mvm, "Tx timeout (uAPSD) = %u usec\n",
 160                                 le32_to_cpu(cmd->tx_data_timeout_uapsd));
 161                 IWL_DEBUG_POWER(mvm, "QNDP TID = %d\n", cmd->qndp_tid);
 162                 IWL_DEBUG_POWER(mvm, "ACs flags = 0x%x\n", cmd->uapsd_ac_flags);
 163                 IWL_DEBUG_POWER(mvm, "Max SP = %d\n", cmd->uapsd_max_sp);
 164         }
 165 }
 166
 167 static void iwl_mvm_power_configure_uapsd(struct iwl_mvm *mvm,
 168                                           struct ieee80211_vif *vif,
 169                                           struct iwl_mac_power_cmd *cmd)
 170 {
 171         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 172         enum ieee80211_ac_numbers ac;
 173         bool tid_found = false;
 174
 175         for (ac = IEEE80211_AC_VO; ac <= IEEE80211_AC_BK; ac++) {
 176                 if (!mvmvif->queue_params[ac].uapsd)
 177                         continue;
 178
 179                 if (mvm->cur_ucode != IWL_UCODE_WOWLAN)
 180                         cmd->flags |=
 181                                 cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK);
 182
 183                 cmd->uapsd_ac_flags |= BIT(ac);
 184
 185                 /* QNDP TID - the highest TID with no admission control */
 186                 if (!tid_found && !mvmvif->queue_params[ac].acm) {
 187                         tid_found = true;
 188                         switch (ac) {
 189                         case IEEE80211_AC_VO:
 190                                 cmd->qndp_tid = 6;
 191                                 break;
 192                         case IEEE80211_AC_VI:
 193                                 cmd->qndp_tid = 5;
 194                                 break;
 195                         case IEEE80211_AC_BE:
 196                                 cmd->qndp_tid = 0;
 197                                 break;
 198                         case IEEE80211_AC_BK:
 199                                 cmd->qndp_tid = 1;
 200                                 break;
 201                         }
 202                 }
 203         }
 204
 205         if (!(cmd->flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK))) {
 206 #ifdef CONFIG_IWLWIFI_DEBUGFS
 207                 /* set advanced pm flag with no uapsd ACs to enable ps-poll */
 208                 if (mvmvif->dbgfs_pm.use_ps_poll)
 209                         cmd->flags |=
 210                                 cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK);
 211 #endif
 212                 return;
 213         }
 214
 215         cmd->flags |= cpu_to_le16(POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK);
 216
 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);
 223                 cmd->snooze_window = (mvm->cur_ucode == IWL_UCODE_WOWLAN) ?
 224                         cpu_to_le16(IWL_MVM_WOWLAN_PS_SNOOZE_WINDOW) :
 225                         cpu_to_le16(IWL_MVM_PS_SNOOZE_WINDOW);
 226         }
 227
 228         cmd->uapsd_max_sp = IWL_UAPSD_MAX_SP;
 229
 230         if (mvm->cur_ucode == IWL_UCODE_WOWLAN || cmd->flags &
 231             cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)) {
 232                 cmd->rx_data_timeout_uapsd =
 233                         cpu_to_le32(IWL_MVM_WOWLAN_PS_RX_DATA_TIMEOUT);
 234                 cmd->tx_data_timeout_uapsd =
 235                         cpu_to_le32(IWL_MVM_WOWLAN_PS_TX_DATA_TIMEOUT);
 236         } else {
 237                 cmd->rx_data_timeout_uapsd =
 238                         cpu_to_le32(IWL_MVM_UAPSD_RX_DATA_TIMEOUT);
 239                 cmd->tx_data_timeout_uapsd =
 240                         cpu_to_le32(IWL_MVM_UAPSD_TX_DATA_TIMEOUT);
 241         }
 242
 243         if (cmd->flags & cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)) {
 244                 cmd->heavy_tx_thld_packets =
 245                         IWL_MVM_PS_SNOOZE_HEAVY_TX_THLD_PACKETS;
 246                 cmd->heavy_rx_thld_packets =
 247                         IWL_MVM_PS_SNOOZE_HEAVY_RX_THLD_PACKETS;
 248         } else {
 249                 cmd->heavy_tx_thld_packets =
 250                         IWL_MVM_PS_HEAVY_TX_THLD_PACKETS;
 251                 cmd->heavy_rx_thld_packets =
 252                         IWL_MVM_PS_HEAVY_RX_THLD_PACKETS;
 253         }
 254         cmd->heavy_tx_thld_percentage =
 255                 IWL_MVM_PS_HEAVY_TX_THLD_PERCENT;
 256         cmd->heavy_rx_thld_percentage =
 257                 IWL_MVM_PS_HEAVY_RX_THLD_PERCENT;
 258 }
 259
 260 static bool iwl_mvm_power_allow_uapsd(struct iwl_mvm *mvm,
 261                                        struct ieee80211_vif *vif)
 262 {
 263         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 264
 265         if (!memcmp(mvmvif->uapsd_misbehaving_bssid, vif->bss_conf.bssid,
 266                     ETH_ALEN))
 267                 return false;
 268
 269         if (vif->p2p &&
 270             !(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_P2P_PS_UAPSD))
 271                 return false;
 272         /*
 273          * Avoid using uAPSD if P2P client is associated to GO that uses
 274          * opportunistic power save. This is due to current FW limitation.
 275          */
 276         if (vif->p2p &&
 277             (vif->bss_conf.p2p_noa_attr.oppps_ctwindow &
 278             IEEE80211_P2P_OPPPS_ENABLE_BIT))
 279                 return false;
 280
 281         /*
 282          * Avoid using uAPSD if client is in DCM -
 283          * low latency issue in Miracast
 284          */
 285         if (iwl_mvm_phy_ctx_count(mvm) >= 2)
 286                 return false;
 287
 288         return true;
 289 }
 290
 291 static bool iwl_mvm_power_is_radar(struct ieee80211_vif *vif)
 292 {
 293         struct ieee80211_chanctx_conf *chanctx_conf;
 294         struct ieee80211_channel *chan;
 295         bool radar_detect = false;
 296
 297         rcu_read_lock();
 298         chanctx_conf = rcu_dereference(vif->chanctx_conf);
 299         WARN_ON(!chanctx_conf);
 300         if (chanctx_conf) {
 301                 chan = chanctx_conf->def.chan;
 302                 radar_detect = chan->flags & IEEE80211_CHAN_RADAR;
 303         }
 304         rcu_read_unlock();
 305
 306         return radar_detect;
 307 }
 308
 309 static void iwl_mvm_power_build_cmd(struct iwl_mvm *mvm,
 310                                     struct ieee80211_vif *vif,
 311                                     struct iwl_mac_power_cmd *cmd)
 312 {
 313         int dtimper, bi;
 314         int keep_alive;
 315         bool radar_detect = false;
 316         struct iwl_mvm_vif *mvmvif __maybe_unused =
 317                 iwl_mvm_vif_from_mac80211(vif);
 318
 319         cmd->id_and_color = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id,
 320                                                             mvmvif->color));
 321         dtimper = vif->bss_conf.dtim_period;
 322         bi = vif->bss_conf.beacon_int;
 323
 324         /*
 325          * Regardless of power management state the driver must set
 326          * keep alive period. FW will use it for sending keep alive NDPs
 327          * immediately after association. Check that keep alive period
 328          * is at least 3 * DTIM
 329          */
 330         keep_alive = DIV_ROUND_UP(ieee80211_tu_to_usec(3 * dtimper * bi),
 331                                   USEC_PER_SEC);
 332         keep_alive = max(keep_alive, POWER_KEEP_ALIVE_PERIOD_SEC);
 333         cmd->keep_alive_seconds = cpu_to_le16(keep_alive);
 334
 335         if (mvm->ps_disabled)
 336                 return;
 337
 338         cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_SAVE_ENA_MSK);
 339
 340         if (!vif->bss_conf.ps || !mvmvif->pm_enabled ||
 341             (iwl_mvm_vif_low_latency(mvmvif) && vif->p2p))
 342                 return;
 343
 344         cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK);
 345
 346         if (vif->bss_conf.beacon_rate &&
 347             (vif->bss_conf.beacon_rate->bitrate == 10 ||
 348              vif->bss_conf.beacon_rate->bitrate == 60)) {
 349                 cmd->flags |= cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK);
 350                 cmd->lprx_rssi_threshold = POWER_LPRX_RSSI_THRESHOLD;
 351         }
 352
 353         /* Check if radar detection is required on current channel */
 354         radar_detect = iwl_mvm_power_is_radar(vif);
 355
 356         /* Check skip over DTIM conditions */
 357         if (!radar_detect && (dtimper < 10) &&
 358             (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_LP ||
 359              mvm->cur_ucode == IWL_UCODE_WOWLAN)) {
 360                 cmd->flags |= cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK);
 361                 cmd->skip_dtim_periods = 3;
 362         }
 363
 364         if (mvm->cur_ucode != IWL_UCODE_WOWLAN) {
 365                 cmd->rx_data_timeout =
 366                         cpu_to_le32(IWL_MVM_DEFAULT_PS_RX_DATA_TIMEOUT);
 367                 cmd->tx_data_timeout =
 368                         cpu_to_le32(IWL_MVM_DEFAULT_PS_TX_DATA_TIMEOUT);
 369         } else {
 370                 cmd->rx_data_timeout =
 371                         cpu_to_le32(IWL_MVM_WOWLAN_PS_RX_DATA_TIMEOUT);
 372                 cmd->tx_data_timeout =
 373                         cpu_to_le32(IWL_MVM_WOWLAN_PS_TX_DATA_TIMEOUT);
 374         }
 375
 376         if (iwl_mvm_power_allow_uapsd(mvm, vif))
 377                 iwl_mvm_power_configure_uapsd(mvm, vif, cmd);
 378
 379 #ifdef CONFIG_IWLWIFI_DEBUGFS
 380         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_KEEP_ALIVE)
 381                 cmd->keep_alive_seconds =
 382                         cpu_to_le16(mvmvif->dbgfs_pm.keep_alive_seconds);
 383         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SKIP_OVER_DTIM) {
 384                 if (mvmvif->dbgfs_pm.skip_over_dtim)
 385                         cmd->flags |=
 386                                 cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK);
 387                 else
 388                         cmd->flags &=
 389                                 cpu_to_le16(~POWER_FLAGS_SKIP_OVER_DTIM_MSK);
 390         }
 391         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_RX_DATA_TIMEOUT)
 392                 cmd->rx_data_timeout =
 393                         cpu_to_le32(mvmvif->dbgfs_pm.rx_data_timeout);
 394         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_TX_DATA_TIMEOUT)
 395                 cmd->tx_data_timeout =
 396                         cpu_to_le32(mvmvif->dbgfs_pm.tx_data_timeout);
 397         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS)
 398                 cmd->skip_dtim_periods = mvmvif->dbgfs_pm.skip_dtim_periods;
 399         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_LPRX_ENA) {
 400                 if (mvmvif->dbgfs_pm.lprx_ena)
 401                         cmd->flags |= cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK);
 402                 else
 403                         cmd->flags &= cpu_to_le16(~POWER_FLAGS_LPRX_ENA_MSK);
 404         }
 405         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD)
 406                 cmd->lprx_rssi_threshold = mvmvif->dbgfs_pm.lprx_rssi_threshold;
 407         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SNOOZE_ENABLE) {
 408                 if (mvmvif->dbgfs_pm.snooze_ena)
 409                         cmd->flags |=
 410                                 cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK);
 411                 else
 412                         cmd->flags &=
 413                                 cpu_to_le16(~POWER_FLAGS_SNOOZE_ENA_MSK);
 414         }
 415         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_UAPSD_MISBEHAVING) {
 416                 u16 flag = POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK;
 417                 if (mvmvif->dbgfs_pm.uapsd_misbehaving)
 418                         cmd->flags |= cpu_to_le16(flag);
 419                 else
 420                         cmd->flags &= cpu_to_le16(flag);
 421         }
 422 #endif /* CONFIG_IWLWIFI_DEBUGFS */
 423 }
 424
 425 static int iwl_mvm_power_send_cmd(struct iwl_mvm *mvm,
 426                                          struct ieee80211_vif *vif)
 427 {
 428         struct iwl_mac_power_cmd cmd = {};
 429
 430         iwl_mvm_power_build_cmd(mvm, vif, &cmd);
 431         iwl_mvm_power_log(mvm, &cmd);
 432 #ifdef CONFIG_IWLWIFI_DEBUGFS
 433         memcpy(&iwl_mvm_vif_from_mac80211(vif)->mac_pwr_cmd, &cmd, sizeof(cmd));
 434 #endif
 435
 436         return iwl_mvm_send_cmd_pdu(mvm, MAC_PM_POWER_TABLE, 0,
 437                                     sizeof(cmd), &cmd);
 438 }
 439
 440 int iwl_mvm_power_update_device(struct iwl_mvm *mvm)
 441 {
 442         struct iwl_device_power_cmd cmd = {
 443                 .flags = cpu_to_le16(DEVICE_POWER_FLAGS_POWER_SAVE_ENA_MSK),
 444         };
 445
 446         if (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM)
 447                 mvm->ps_disabled = true;
 448
 449         if (mvm->ps_disabled)
 450                 cmd.flags |= cpu_to_le16(DEVICE_POWER_FLAGS_CAM_MSK);
 451
 452 #ifdef CONFIG_IWLWIFI_DEBUGFS
 453         if ((mvm->cur_ucode == IWL_UCODE_WOWLAN) ? mvm->disable_power_off_d3 :
 454             mvm->disable_power_off)
 455                 cmd.flags &=
 456                         cpu_to_le16(~DEVICE_POWER_FLAGS_POWER_SAVE_ENA_MSK);
 457 #endif
 458         IWL_DEBUG_POWER(mvm,
 459                         "Sending device power command with flags = 0x%X\n",
 460                         cmd.flags);
 461
 462         return iwl_mvm_send_cmd_pdu(mvm, POWER_TABLE_CMD, 0, sizeof(cmd),
 463                                     &cmd);
 464 }
 465
 466 void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
 467 {
 468         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 469
 470         if (memcmp(vif->bss_conf.bssid, mvmvif->uapsd_misbehaving_bssid,
 471                    ETH_ALEN))
 472                 eth_zero_addr(mvmvif->uapsd_misbehaving_bssid);
 473 }
 474
 475 static void iwl_mvm_power_uapsd_misbehav_ap_iterator(void *_data, u8 *mac,
 476                                                      struct ieee80211_vif *vif)
 477 {
 478         u8 *ap_sta_id = _data;
 479         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 480
 481         /* The ap_sta_id is not expected to change during current association
 482          * so no explicit protection is needed
 483          */
 484         if (mvmvif->ap_sta_id == *ap_sta_id)
 485                 memcpy(mvmvif->uapsd_misbehaving_bssid, vif->bss_conf.bssid,
 486                        ETH_ALEN);
 487 }
 488
 489 void iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm,
 490                                               struct iwl_rx_cmd_buffer *rxb)
 491 {
 492         struct iwl_rx_packet *pkt = rxb_addr(rxb);
 493         struct iwl_uapsd_misbehaving_ap_notif *notif = (void *)pkt->data;
 494         u8 ap_sta_id = le32_to_cpu(notif->sta_id);
 495
 496         ieee80211_iterate_active_interfaces_atomic(
 497                 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
 498                 iwl_mvm_power_uapsd_misbehav_ap_iterator, &ap_sta_id);
 499 }
 500
 501 struct iwl_power_vifs {
 502         struct iwl_mvm *mvm;
 503         struct ieee80211_vif *bf_vif;
 504         struct ieee80211_vif *bss_vif;
 505         struct ieee80211_vif *p2p_vif;
 506         struct ieee80211_vif *ap_vif;
 507         struct ieee80211_vif *monitor_vif;
 508         bool p2p_active;
 509         bool bss_active;
 510         bool ap_active;
 511         bool monitor_active;
 512 };
 513
 514 static void iwl_mvm_power_disable_pm_iterator(void *_data, u8* mac,
 515                                               struct ieee80211_vif *vif)
 516 {
 517         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 518
 519         mvmvif->pm_enabled = false;
 520 }
 521
 522 static void iwl_mvm_power_ps_disabled_iterator(void *_data, u8* mac,
 523                                                struct ieee80211_vif *vif)
 524 {
 525         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 526         bool *disable_ps = _data;
 527
 528         if (mvmvif->phy_ctxt)
 529                 if (mvmvif->phy_ctxt->id < MAX_PHYS)
 530                         *disable_ps |= mvmvif->ps_disabled;
 531 }
 532
 533 static void iwl_mvm_power_get_vifs_iterator(void *_data, u8 *mac,
 534                                             struct ieee80211_vif *vif)
 535 {
 536         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 537         struct iwl_power_vifs *power_iterator = _data;
 538
 539         switch (ieee80211_vif_type_p2p(vif)) {
 540         case NL80211_IFTYPE_P2P_DEVICE:
 541                 break;
 542
 543         case NL80211_IFTYPE_P2P_GO:
 544         case NL80211_IFTYPE_AP:
 545                 /* only a single MAC of the same type */
 546                 WARN_ON(power_iterator->ap_vif);
 547                 power_iterator->ap_vif = vif;
 548                 if (mvmvif->phy_ctxt)
 549                         if (mvmvif->phy_ctxt->id < MAX_PHYS)
 550                                 power_iterator->ap_active = true;
 551                 break;
 552
 553         case NL80211_IFTYPE_MONITOR:
 554                 /* only a single MAC of the same type */
 555                 WARN_ON(power_iterator->monitor_vif);
 556                 power_iterator->monitor_vif = vif;
 557                 if (mvmvif->phy_ctxt)
 558                         if (mvmvif->phy_ctxt->id < MAX_PHYS)
 559                                 power_iterator->monitor_active = true;
 560                 break;
 561
 562         case NL80211_IFTYPE_P2P_CLIENT:
 563                 /* only a single MAC of the same type */
 564                 WARN_ON(power_iterator->p2p_vif);
 565                 power_iterator->p2p_vif = vif;
 566                 if (mvmvif->phy_ctxt)
 567                         if (mvmvif->phy_ctxt->id < MAX_PHYS)
 568                                 power_iterator->p2p_active = true;
 569                 break;
 570
 571         case NL80211_IFTYPE_STATION:
 572                 /* only a single MAC of the same type */
 573                 WARN_ON(power_iterator->bss_vif);
 574                 power_iterator->bss_vif = vif;
 575                 if (mvmvif->phy_ctxt)
 576                         if (mvmvif->phy_ctxt->id < MAX_PHYS)
 577                                 power_iterator->bss_active = true;
 578
 579                 if (mvmvif->bf_data.bf_enabled &&
 580                     !WARN_ON(power_iterator->bf_vif))
 581                         power_iterator->bf_vif = vif;
 582
 583                 break;
 584
 585         default:
 586                 break;
 587         }
 588 }
 589
 590 static void iwl_mvm_power_set_pm(struct iwl_mvm *mvm,
 591                                  struct iwl_power_vifs *vifs)
 592 {
 593         struct iwl_mvm_vif *bss_mvmvif = NULL;
 594         struct iwl_mvm_vif *p2p_mvmvif = NULL;
 595         struct iwl_mvm_vif *ap_mvmvif = NULL;
 596         bool client_same_channel = false;
 597         bool ap_same_channel = false;
 598
 599         lockdep_assert_held(&mvm->mutex);
 600
 601         /* set pm_enable to false */
 602         ieee80211_iterate_active_interfaces_atomic(mvm->hw,
 603                                         IEEE80211_IFACE_ITER_NORMAL,
 604                                         iwl_mvm_power_disable_pm_iterator,
 605                                         NULL);
 606
 607         if (vifs->bss_vif)
 608                 bss_mvmvif = iwl_mvm_vif_from_mac80211(vifs->bss_vif);
 609
 610         if (vifs->p2p_vif)
 611                 p2p_mvmvif = iwl_mvm_vif_from_mac80211(vifs->p2p_vif);
 612
 613         if (vifs->ap_vif)
 614                 ap_mvmvif = iwl_mvm_vif_from_mac80211(vifs->ap_vif);
 615
 616         /* don't allow PM if any TDLS stations exist */
 617         if (iwl_mvm_tdls_sta_count(mvm, NULL))
 618                 return;
 619
 620         /* enable PM on bss if bss stand alone */
 621         if (vifs->bss_active && !vifs->p2p_active && !vifs->ap_active) {
 622                 bss_mvmvif->pm_enabled = true;
 623                 return;
 624         }
 625
 626         /* enable PM on p2p if p2p stand alone */
 627         if (vifs->p2p_active && !vifs->bss_active && !vifs->ap_active) {
 628                 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_P2P_PM)
 629                         p2p_mvmvif->pm_enabled = true;
 630                 return;
 631         }
 632
 633         if (vifs->bss_active && vifs->p2p_active)
 634                 client_same_channel = (bss_mvmvif->phy_ctxt->id ==
 635                                        p2p_mvmvif->phy_ctxt->id);
 636         if (vifs->bss_active && vifs->ap_active)
 637                 ap_same_channel = (bss_mvmvif->phy_ctxt->id ==
 638                                    ap_mvmvif->phy_ctxt->id);
 639
 640         /* clients are not stand alone: enable PM if DCM */
 641         if (!(client_same_channel || ap_same_channel) &&
 642             (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BSS_P2P_PS_DCM)) {
 643                 if (vifs->bss_active)
 644                         bss_mvmvif->pm_enabled = true;
 645                 if (vifs->p2p_active &&
 646                     (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_P2P_PM))
 647                         p2p_mvmvif->pm_enabled = true;
 648                 return;
 649         }
 650
 651         /*
 652          * There is only one channel in the system and there are only
 653          * bss and p2p clients that share it
 654          */
 655         if (client_same_channel && !vifs->ap_active &&
 656             (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BSS_P2P_PS_SCM)) {
 657                 /* share same channel*/
 658                 bss_mvmvif->pm_enabled = true;
 659                 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_P2P_PM)
 660                         p2p_mvmvif->pm_enabled = true;
 661         }
 662 }
 663
 664 #ifdef CONFIG_IWLWIFI_DEBUGFS
 665 int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm,
 666                                  struct ieee80211_vif *vif, char *buf,
 667                                  int bufsz)
 668 {
 669         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 670         struct iwl_mac_power_cmd cmd = {};
 671         int pos = 0;
 672
 673         mutex_lock(&mvm->mutex);
 674         memcpy(&cmd, &mvmvif->mac_pwr_cmd, sizeof(cmd));
 675         mutex_unlock(&mvm->mutex);
 676
 677         pos += scnprintf(buf+pos, bufsz-pos, "power_scheme = %d\n",
 678                          iwlmvm_mod_params.power_scheme);
 679         pos += scnprintf(buf+pos, bufsz-pos, "flags = 0x%x\n",
 680                          le16_to_cpu(cmd.flags));
 681         pos += scnprintf(buf+pos, bufsz-pos, "keep_alive = %d\n",
 682                          le16_to_cpu(cmd.keep_alive_seconds));
 683
 684         if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK)))
 685                 return pos;
 686
 687         pos += scnprintf(buf+pos, bufsz-pos, "skip_over_dtim = %d\n",
 688                          (cmd.flags &
 689                          cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK)) ? 1 : 0);
 690         pos += scnprintf(buf+pos, bufsz-pos, "skip_dtim_periods = %d\n",
 691                          cmd.skip_dtim_periods);
 692         if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK))) {
 693                 pos += scnprintf(buf+pos, bufsz-pos, "rx_data_timeout = %d\n",
 694                                  le32_to_cpu(cmd.rx_data_timeout));
 695                 pos += scnprintf(buf+pos, bufsz-pos, "tx_data_timeout = %d\n",
 696                                  le32_to_cpu(cmd.tx_data_timeout));
 697         }
 698         if (cmd.flags & cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK))
 699                 pos += scnprintf(buf+pos, bufsz-pos,
 700                                  "lprx_rssi_threshold = %d\n",
 701                                  cmd.lprx_rssi_threshold);
 702
 703         if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK)))
 704                 return pos;
 705
 706         pos += scnprintf(buf+pos, bufsz-pos, "rx_data_timeout_uapsd = %d\n",
 707                          le32_to_cpu(cmd.rx_data_timeout_uapsd));
 708         pos += scnprintf(buf+pos, bufsz-pos, "tx_data_timeout_uapsd = %d\n",
 709                          le32_to_cpu(cmd.tx_data_timeout_uapsd));
 710         pos += scnprintf(buf+pos, bufsz-pos, "qndp_tid = %d\n", cmd.qndp_tid);
 711         pos += scnprintf(buf+pos, bufsz-pos, "uapsd_ac_flags = 0x%x\n",
 712                          cmd.uapsd_ac_flags);
 713         pos += scnprintf(buf+pos, bufsz-pos, "uapsd_max_sp = %d\n",
 714                          cmd.uapsd_max_sp);
 715         pos += scnprintf(buf+pos, bufsz-pos, "heavy_tx_thld_packets = %d\n",
 716                          cmd.heavy_tx_thld_packets);
 717         pos += scnprintf(buf+pos, bufsz-pos, "heavy_rx_thld_packets = %d\n",
 718                          cmd.heavy_rx_thld_packets);
 719         pos += scnprintf(buf+pos, bufsz-pos, "heavy_tx_thld_percentage = %d\n",
 720                          cmd.heavy_tx_thld_percentage);
 721         pos += scnprintf(buf+pos, bufsz-pos, "heavy_rx_thld_percentage = %d\n",
 722                          cmd.heavy_rx_thld_percentage);
 723         pos += scnprintf(buf+pos, bufsz-pos, "uapsd_misbehaving_enable = %d\n",
 724                          (cmd.flags &
 725                           cpu_to_le16(POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK)) ?
 726                          1 : 0);
 727
 728         if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)))
 729                 return pos;
 730
 731         pos += scnprintf(buf+pos, bufsz-pos, "snooze_interval = %d\n",
 732                          cmd.snooze_interval);
 733         pos += scnprintf(buf+pos, bufsz-pos, "snooze_window = %d\n",
 734                          cmd.snooze_window);
 735
 736         return pos;
 737 }
 738
 739 void
 740 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
 741                                          struct iwl_beacon_filter_cmd *cmd)
 742 {
 743         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 744         struct iwl_dbgfs_bf *dbgfs_bf = &mvmvif->dbgfs_bf;
 745
 746         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ENERGY_DELTA)
 747                 cmd->bf_energy_delta = cpu_to_le32(dbgfs_bf->bf_energy_delta);
 748         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA)
 749                 cmd->bf_roaming_energy_delta =
 750                                 cpu_to_le32(dbgfs_bf->bf_roaming_energy_delta);
 751         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ROAMING_STATE)
 752                 cmd->bf_roaming_state = cpu_to_le32(dbgfs_bf->bf_roaming_state);
 753         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_THRESHOLD)
 754                 cmd->bf_temp_threshold =
 755                                 cpu_to_le32(dbgfs_bf->bf_temp_threshold);
 756         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_FAST_FILTER)
 757                 cmd->bf_temp_fast_filter =
 758                                 cpu_to_le32(dbgfs_bf->bf_temp_fast_filter);
 759         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_SLOW_FILTER)
 760                 cmd->bf_temp_slow_filter =
 761                                 cpu_to_le32(dbgfs_bf->bf_temp_slow_filter);
 762         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_DEBUG_FLAG)
 763                 cmd->bf_debug_flag = cpu_to_le32(dbgfs_bf->bf_debug_flag);
 764         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ESCAPE_TIMER)
 765                 cmd->bf_escape_timer = cpu_to_le32(dbgfs_bf->bf_escape_timer);
 766         if (dbgfs_bf->mask & MVM_DEBUGFS_BA_ESCAPE_TIMER)
 767                 cmd->ba_escape_timer = cpu_to_le32(dbgfs_bf->ba_escape_timer);
 768         if (dbgfs_bf->mask & MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT)
 769                 cmd->ba_enable_beacon_abort =
 770                                 cpu_to_le32(dbgfs_bf->ba_enable_beacon_abort);
 771 }
 772 #endif
 773
 774 static int _iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
 775                                          struct ieee80211_vif *vif,
 776                                          struct iwl_beacon_filter_cmd *cmd,
 777                                          u32 cmd_flags,
 778                                          bool d0i3)
 779 {
 780         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 781         int ret;
 782
 783         if (mvmvif != mvm->bf_allowed_vif || !vif->bss_conf.dtim_period ||
 784             vif->type != NL80211_IFTYPE_STATION || vif->p2p)
 785                 return 0;
 786
 787         iwl_mvm_beacon_filter_set_cqm_params(mvm, vif, cmd, d0i3);
 788         if (!d0i3)
 789                 iwl_mvm_beacon_filter_debugfs_parameters(vif, cmd);
 790         ret = iwl_mvm_beacon_filter_send_cmd(mvm, cmd, cmd_flags);
 791
 792         /* don't change bf_enabled in case of temporary d0i3 configuration */
 793         if (!ret && !d0i3)
 794                 mvmvif->bf_data.bf_enabled = true;
 795
 796         return ret;
 797 }
 798
 799 int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
 800                                  struct ieee80211_vif *vif,
 801                                  u32 flags)
 802 {
 803         struct iwl_beacon_filter_cmd cmd = {
 804                 IWL_BF_CMD_CONFIG_DEFAULTS,
 805                 .bf_enable_beacon_filter = cpu_to_le32(1),
 806         };
 807
 808         return _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd, flags, false);
 809 }
 810
 811 static int iwl_mvm_update_beacon_abort(struct iwl_mvm *mvm,
 812                                        struct ieee80211_vif *vif,
 813                                        bool enable)
 814 {
 815         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 816         struct iwl_beacon_filter_cmd cmd = {
 817                 IWL_BF_CMD_CONFIG_DEFAULTS,
 818                 .bf_enable_beacon_filter = cpu_to_le32(1),
 819         };
 820
 821         if (!mvmvif->bf_data.bf_enabled)
 822                 return 0;
 823
 824         if (mvm->cur_ucode == IWL_UCODE_WOWLAN)
 825                 cmd.ba_escape_timer = cpu_to_le32(IWL_BA_ESCAPE_TIMER_D3);
 826
 827         mvmvif->bf_data.ba_enabled = enable;
 828         return _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd, 0, false);
 829 }
 830
 831 int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
 832                                   struct ieee80211_vif *vif,
 833                                   u32 flags)
 834 {
 835         struct iwl_beacon_filter_cmd cmd = {};
 836         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 837         int ret;
 838
 839         if (vif->type != NL80211_IFTYPE_STATION || vif->p2p)
 840                 return 0;
 841
 842         ret = iwl_mvm_beacon_filter_send_cmd(mvm, &cmd, flags);
 843
 844         if (!ret)
 845                 mvmvif->bf_data.bf_enabled = false;
 846
 847         return ret;
 848 }
 849
 850 static int iwl_mvm_power_set_ps(struct iwl_mvm *mvm)
 851 {
 852         bool disable_ps;
 853         int ret;
 854
 855         /* disable PS if CAM */
 856         disable_ps = (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM);
 857         /* ...or if any of the vifs require PS to be off */
 858         ieee80211_iterate_active_interfaces_atomic(mvm->hw,
 859                                         IEEE80211_IFACE_ITER_NORMAL,
 860                                         iwl_mvm_power_ps_disabled_iterator,
 861                                         &disable_ps);
 862
 863         /* update device power state if it has changed */
 864         if (mvm->ps_disabled != disable_ps) {
 865                 bool old_ps_disabled = mvm->ps_disabled;
 866
 867                 mvm->ps_disabled = disable_ps;
 868                 ret = iwl_mvm_power_update_device(mvm);
 869                 if (ret) {
 870                         mvm->ps_disabled = old_ps_disabled;
 871                         return ret;
 872                 }
 873         }
 874
 875         return 0;
 876 }
 877
 878 static int iwl_mvm_power_set_ba(struct iwl_mvm *mvm,
 879                                 struct iwl_power_vifs *vifs)
 880 {
 881         struct iwl_mvm_vif *mvmvif;
 882         bool ba_enable;
 883
 884         if (!vifs->bf_vif)
 885                 return 0;
 886
 887         mvmvif = iwl_mvm_vif_from_mac80211(vifs->bf_vif);
 888
 889         ba_enable = !(!mvmvif->pm_enabled || mvm->ps_disabled ||
 890                       !vifs->bf_vif->bss_conf.ps ||
 891                       iwl_mvm_vif_low_latency(mvmvif));
 892
 893         return iwl_mvm_update_beacon_abort(mvm, vifs->bf_vif, ba_enable);
 894 }
 895
 896 int iwl_mvm_power_update_ps(struct iwl_mvm *mvm)
 897 {
 898         struct iwl_power_vifs vifs = {
 899                 .mvm = mvm,
 900         };
 901         int ret;
 902
 903         lockdep_assert_held(&mvm->mutex);
 904
 905         /* get vifs info */
 906         ieee80211_iterate_active_interfaces_atomic(mvm->hw,
 907                                         IEEE80211_IFACE_ITER_NORMAL,
 908                                         iwl_mvm_power_get_vifs_iterator, &vifs);
 909
 910         ret = iwl_mvm_power_set_ps(mvm);
 911         if (ret)
 912                 return ret;
 913
 914         return iwl_mvm_power_set_ba(mvm, &vifs);
 915 }
 916
 917 int iwl_mvm_power_update_mac(struct iwl_mvm *mvm)
 918 {
 919         struct iwl_power_vifs vifs = {
 920                 .mvm = mvm,
 921         };
 922         int ret;
 923
 924         lockdep_assert_held(&mvm->mutex);
 925
 926         /* get vifs info */
 927         ieee80211_iterate_active_interfaces_atomic(mvm->hw,
 928                                         IEEE80211_IFACE_ITER_NORMAL,
 929                                         iwl_mvm_power_get_vifs_iterator, &vifs);
 930
 931         iwl_mvm_power_set_pm(mvm, &vifs);
 932
 933         ret = iwl_mvm_power_set_ps(mvm);
 934         if (ret)
 935                 return ret;
 936
 937         if (vifs.bss_vif) {
 938                 ret = iwl_mvm_power_send_cmd(mvm, vifs.bss_vif);
 939                 if (ret)
 940                         return ret;
 941         }
 942
 943         if (vifs.p2p_vif) {
 944                 ret = iwl_mvm_power_send_cmd(mvm, vifs.p2p_vif);
 945                 if (ret)
 946                         return ret;
 947         }
 948
 949         return iwl_mvm_power_set_ba(mvm, &vifs);
 950 }
 951
 952 int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm,
 953                                    struct ieee80211_vif *vif,
 954                                    bool enable, u32 flags)
 955 {
 956         int ret;
 957         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 958         struct iwl_mac_power_cmd cmd = {};
 959
 960         if (vif->type != NL80211_IFTYPE_STATION || vif->p2p)
 961                 return 0;
 962
 963         if (!vif->bss_conf.assoc)
 964                 return 0;
 965
 966         iwl_mvm_power_build_cmd(mvm, vif, &cmd);
 967         if (enable) {
 968                 /* configure skip over dtim up to 306TU - 314 msec */
 969                 int dtimper = vif->bss_conf.dtim_period ?: 1;
 970                 int dtimper_tu = dtimper * vif->bss_conf.beacon_int;
 971                 bool radar_detect = iwl_mvm_power_is_radar(vif);
 972
 973                 if (WARN_ON(!dtimper_tu))
 974                         return 0;
 975
 976                 /* Check skip over DTIM conditions */
 977                 /* TODO: check that multicast wake lock is off */
 978                 if (!radar_detect && (dtimper < 10)) {
 979                         cmd.skip_dtim_periods = 306 / dtimper_tu;
 980                         if (cmd.skip_dtim_periods)
 981                                 cmd.flags |= cpu_to_le16(
 982                                         POWER_FLAGS_SKIP_OVER_DTIM_MSK);
 983                 }
 984         }
 985         iwl_mvm_power_log(mvm, &cmd);
 986 #ifdef CONFIG_IWLWIFI_DEBUGFS
 987         memcpy(&mvmvif->mac_pwr_cmd, &cmd, sizeof(cmd));
 988 #endif
 989         ret = iwl_mvm_send_cmd_pdu(mvm, MAC_PM_POWER_TABLE, flags,
 990                                    sizeof(cmd), &cmd);
 991         if (ret)
 992                 return ret;
 993
 994         /* configure beacon filtering */
 995         if (mvmvif != mvm->bf_allowed_vif)
 996                 return 0;
 997
 998         if (enable) {
 999                 struct iwl_beacon_filter_cmd cmd_bf = {
1000                         IWL_BF_CMD_CONFIG_D0I3,
1001                         .bf_enable_beacon_filter = cpu_to_le32(1),
1002                 };
1003                 ret = _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd_bf,
1004                                                     flags, true);
1005         } else {
1006                 if (mvmvif->bf_data.bf_enabled)
1007                         ret = iwl_mvm_enable_beacon_filter(mvm, vif, flags);
1008                 else
1009                         ret = iwl_mvm_disable_beacon_filter(mvm, vif, flags);
1010         }
1011
1012         return ret;
1013 }