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

   1 /******************************************************************************
   2  *
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   6  * GPL LICENSE SUMMARY
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   8  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
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  10  *
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  53  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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  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 {
 117         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 118
 119         if (vif->bss_conf.cqm_rssi_thold) {
 120                 cmd->bf_energy_delta =
 121                         cpu_to_le32(vif->bss_conf.cqm_rssi_hyst);
 122                 /* fw uses an absolute value for this */
 123                 cmd->bf_roaming_state =
 124                         cpu_to_le32(-vif->bss_conf.cqm_rssi_thold);
 125         }
 126         cmd->ba_enable_beacon_abort = cpu_to_le32(mvmvif->bf_data.ba_enabled);
 127 }
 128
 129 static void iwl_mvm_power_log(struct iwl_mvm *mvm,
 130                               struct iwl_mac_power_cmd *cmd)
 131 {
 132         IWL_DEBUG_POWER(mvm,
 133                         "Sending power table command on mac id 0x%X for power level %d, flags = 0x%X\n",
 134                         cmd->id_and_color, iwlmvm_mod_params.power_scheme,
 135                         le16_to_cpu(cmd->flags));
 136         IWL_DEBUG_POWER(mvm, "Keep alive = %u sec\n",
 137                         le16_to_cpu(cmd->keep_alive_seconds));
 138
 139         if (!(cmd->flags & cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK))) {
 140                 IWL_DEBUG_POWER(mvm, "Disable power management\n");
 141                 return;
 142         }
 143
 144         IWL_DEBUG_POWER(mvm, "Rx timeout = %u usec\n",
 145                         le32_to_cpu(cmd->rx_data_timeout));
 146         IWL_DEBUG_POWER(mvm, "Tx timeout = %u usec\n",
 147                         le32_to_cpu(cmd->tx_data_timeout));
 148         if (cmd->flags & cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK))
 149                 IWL_DEBUG_POWER(mvm, "DTIM periods to skip = %u\n",
 150                                 cmd->skip_dtim_periods);
 151         if (cmd->flags & cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK))
 152                 IWL_DEBUG_POWER(mvm, "LP RX RSSI threshold = %u\n",
 153                                 cmd->lprx_rssi_threshold);
 154         if (cmd->flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK)) {
 155                 IWL_DEBUG_POWER(mvm, "uAPSD enabled\n");
 156                 IWL_DEBUG_POWER(mvm, "Rx timeout (uAPSD) = %u usec\n",
 157                                 le32_to_cpu(cmd->rx_data_timeout_uapsd));
 158                 IWL_DEBUG_POWER(mvm, "Tx timeout (uAPSD) = %u usec\n",
 159                                 le32_to_cpu(cmd->tx_data_timeout_uapsd));
 160                 IWL_DEBUG_POWER(mvm, "QNDP TID = %d\n", cmd->qndp_tid);
 161                 IWL_DEBUG_POWER(mvm, "ACs flags = 0x%x\n", cmd->uapsd_ac_flags);
 162                 IWL_DEBUG_POWER(mvm, "Max SP = %d\n", cmd->uapsd_max_sp);
 163         }
 164 }
 165
 166 static void iwl_mvm_power_configure_uapsd(struct iwl_mvm *mvm,
 167                                           struct ieee80211_vif *vif,
 168                                           struct iwl_mac_power_cmd *cmd)
 169 {
 170         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 171         enum ieee80211_ac_numbers ac;
 172         bool tid_found = false;
 173
 174         for (ac = IEEE80211_AC_VO; ac <= IEEE80211_AC_BK; ac++) {
 175                 if (!mvmvif->queue_params[ac].uapsd)
 176                         continue;
 177
 178                 if (mvm->cur_ucode != IWL_UCODE_WOWLAN)
 179                         cmd->flags |=
 180                                 cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK);
 181
 182                 cmd->uapsd_ac_flags |= BIT(ac);
 183
 184                 /* QNDP TID - the highest TID with no admission control */
 185                 if (!tid_found && !mvmvif->queue_params[ac].acm) {
 186                         tid_found = true;
 187                         switch (ac) {
 188                         case IEEE80211_AC_VO:
 189                                 cmd->qndp_tid = 6;
 190                                 break;
 191                         case IEEE80211_AC_VI:
 192                                 cmd->qndp_tid = 5;
 193                                 break;
 194                         case IEEE80211_AC_BE:
 195                                 cmd->qndp_tid = 0;
 196                                 break;
 197                         case IEEE80211_AC_BK:
 198                                 cmd->qndp_tid = 1;
 199                                 break;
 200                         }
 201                 }
 202         }
 203
 204         if (!(cmd->flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK))) {
 205 #ifdef CONFIG_IWLWIFI_DEBUGFS
 206                 /* set advanced pm flag with no uapsd ACs to enable ps-poll */
 207                 if (mvmvif->dbgfs_pm.use_ps_poll)
 208                         cmd->flags |=
 209                                 cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK);
 210 #endif
 211                 return;
 212         }
 213
 214         cmd->flags |= cpu_to_le16(POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK);
 215
 216         if (cmd->uapsd_ac_flags == (BIT(IEEE80211_AC_VO) |
 217                                     BIT(IEEE80211_AC_VI) |
 218                                     BIT(IEEE80211_AC_BE) |
 219                                     BIT(IEEE80211_AC_BK))) {
 220                 cmd->flags |= cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK);
 221                 cmd->snooze_interval = cpu_to_le16(IWL_MVM_PS_SNOOZE_INTERVAL);
 222                 cmd->snooze_window = (mvm->cur_ucode == IWL_UCODE_WOWLAN) ?
 223                         cpu_to_le16(IWL_MVM_WOWLAN_PS_SNOOZE_WINDOW) :
 224                         cpu_to_le16(IWL_MVM_PS_SNOOZE_WINDOW);
 225         }
 226
 227         cmd->uapsd_max_sp = IWL_UAPSD_MAX_SP;
 228
 229         if (mvm->cur_ucode == IWL_UCODE_WOWLAN || cmd->flags &
 230             cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)) {
 231                 cmd->rx_data_timeout_uapsd =
 232                         cpu_to_le32(IWL_MVM_WOWLAN_PS_RX_DATA_TIMEOUT);
 233                 cmd->tx_data_timeout_uapsd =
 234                         cpu_to_le32(IWL_MVM_WOWLAN_PS_TX_DATA_TIMEOUT);
 235         } else {
 236                 cmd->rx_data_timeout_uapsd =
 237                         cpu_to_le32(IWL_MVM_UAPSD_RX_DATA_TIMEOUT);
 238                 cmd->tx_data_timeout_uapsd =
 239                         cpu_to_le32(IWL_MVM_UAPSD_TX_DATA_TIMEOUT);
 240         }
 241
 242         if (cmd->flags & cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)) {
 243                 cmd->heavy_tx_thld_packets =
 244                         IWL_MVM_PS_SNOOZE_HEAVY_TX_THLD_PACKETS;
 245                 cmd->heavy_rx_thld_packets =
 246                         IWL_MVM_PS_SNOOZE_HEAVY_RX_THLD_PACKETS;
 247         } else {
 248                 cmd->heavy_tx_thld_packets =
 249                         IWL_MVM_PS_HEAVY_TX_THLD_PACKETS;
 250                 cmd->heavy_rx_thld_packets =
 251                         IWL_MVM_PS_HEAVY_RX_THLD_PACKETS;
 252         }
 253         cmd->heavy_tx_thld_percentage =
 254                 IWL_MVM_PS_HEAVY_TX_THLD_PERCENT;
 255         cmd->heavy_rx_thld_percentage =
 256                 IWL_MVM_PS_HEAVY_RX_THLD_PERCENT;
 257 }
 258
 259 static bool iwl_mvm_power_allow_uapsd(struct iwl_mvm *mvm,
 260                                        struct ieee80211_vif *vif)
 261 {
 262         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 263
 264         if (!memcmp(mvmvif->uapsd_misbehaving_bssid, vif->bss_conf.bssid,
 265                     ETH_ALEN))
 266                 return false;
 267
 268         if (vif->p2p &&
 269             !(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_P2P_PS_UAPSD))
 270                 return false;
 271         /*
 272          * Avoid using uAPSD if P2P client is associated to GO that uses
 273          * opportunistic power save. This is due to current FW limitation.
 274          */
 275         if (vif->p2p &&
 276             (vif->bss_conf.p2p_noa_attr.oppps_ctwindow &
 277             IEEE80211_P2P_OPPPS_ENABLE_BIT))
 278                 return false;
 279
 280         /*
 281          * Avoid using uAPSD if client is in DCM -
 282          * low latency issue in Miracast
 283          */
 284         if (iwl_mvm_phy_ctx_count(mvm) >= 2)
 285                 return false;
 286
 287         return true;
 288 }
 289
 290 static int iwl_mvm_power_get_skip_over_dtim(int dtimper, int bi)
 291 {
 292         int numerator;
 293         int dtim_interval = dtimper * bi;
 294
 295         if (WARN_ON(!dtim_interval))
 296                 return 0;
 297
 298         if (dtimper == 1) {
 299                 if (bi > 100)
 300                         numerator = 408;
 301                 else
 302                         numerator = 510;
 303         } else if (dtimper < 10) {
 304                 numerator = 612;
 305         } else {
 306                 return 0;
 307         }
 308         return max(1, (numerator / dtim_interval));
 309 }
 310
 311 static bool iwl_mvm_power_is_radar(struct ieee80211_vif *vif)
 312 {
 313         struct ieee80211_chanctx_conf *chanctx_conf;
 314         struct ieee80211_channel *chan;
 315         bool radar_detect = false;
 316
 317         rcu_read_lock();
 318         chanctx_conf = rcu_dereference(vif->chanctx_conf);
 319         WARN_ON(!chanctx_conf);
 320         if (chanctx_conf) {
 321                 chan = chanctx_conf->def.chan;
 322                 radar_detect = chan->flags & IEEE80211_CHAN_RADAR;
 323         }
 324         rcu_read_unlock();
 325
 326         return radar_detect;
 327 }
 328
 329 static void iwl_mvm_power_build_cmd(struct iwl_mvm *mvm,
 330                                     struct ieee80211_vif *vif,
 331                                     struct iwl_mac_power_cmd *cmd)
 332 {
 333         int dtimper, bi;
 334         int keep_alive;
 335         bool radar_detect = false;
 336         struct iwl_mvm_vif *mvmvif __maybe_unused =
 337                 iwl_mvm_vif_from_mac80211(vif);
 338
 339         cmd->id_and_color = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id,
 340                                                             mvmvif->color));
 341         dtimper = vif->bss_conf.dtim_period;
 342         bi = vif->bss_conf.beacon_int;
 343
 344         /*
 345          * Regardless of power management state the driver must set
 346          * keep alive period. FW will use it for sending keep alive NDPs
 347          * immediately after association. Check that keep alive period
 348          * is at least 3 * DTIM
 349          */
 350         keep_alive = DIV_ROUND_UP(ieee80211_tu_to_usec(3 * dtimper * bi),
 351                                   USEC_PER_SEC);
 352         keep_alive = max(keep_alive, POWER_KEEP_ALIVE_PERIOD_SEC);
 353         cmd->keep_alive_seconds = cpu_to_le16(keep_alive);
 354
 355         if (mvm->ps_disabled)
 356                 return;
 357
 358         cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_SAVE_ENA_MSK);
 359
 360         if (!vif->bss_conf.ps || iwl_mvm_vif_low_latency(mvmvif) ||
 361             !mvmvif->pm_enabled)
 362                 return;
 363
 364         cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK);
 365
 366         if (vif->bss_conf.beacon_rate &&
 367             (vif->bss_conf.beacon_rate->bitrate == 10 ||
 368              vif->bss_conf.beacon_rate->bitrate == 60)) {
 369                 cmd->flags |= cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK);
 370                 cmd->lprx_rssi_threshold = POWER_LPRX_RSSI_THRESHOLD;
 371         }
 372
 373         /* Check if radar detection is required on current channel */
 374         radar_detect = iwl_mvm_power_is_radar(vif);
 375
 376         /* Check skip over DTIM conditions */
 377         if (!radar_detect && (dtimper < 10) &&
 378             (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_LP ||
 379              mvm->cur_ucode == IWL_UCODE_WOWLAN)) {
 380                 cmd->skip_dtim_periods =
 381                         iwl_mvm_power_get_skip_over_dtim(dtimper, bi);
 382                 if (cmd->skip_dtim_periods)
 383                         cmd->flags |=
 384                                 cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK);
 385         }
 386
 387         if (mvm->cur_ucode != IWL_UCODE_WOWLAN) {
 388                 cmd->rx_data_timeout =
 389                         cpu_to_le32(IWL_MVM_DEFAULT_PS_RX_DATA_TIMEOUT);
 390                 cmd->tx_data_timeout =
 391                         cpu_to_le32(IWL_MVM_DEFAULT_PS_TX_DATA_TIMEOUT);
 392         } else {
 393                 cmd->rx_data_timeout =
 394                         cpu_to_le32(IWL_MVM_WOWLAN_PS_RX_DATA_TIMEOUT);
 395                 cmd->tx_data_timeout =
 396                         cpu_to_le32(IWL_MVM_WOWLAN_PS_TX_DATA_TIMEOUT);
 397         }
 398
 399         if (iwl_mvm_power_allow_uapsd(mvm, vif))
 400                 iwl_mvm_power_configure_uapsd(mvm, vif, cmd);
 401
 402 #ifdef CONFIG_IWLWIFI_DEBUGFS
 403         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_KEEP_ALIVE)
 404                 cmd->keep_alive_seconds =
 405                         cpu_to_le16(mvmvif->dbgfs_pm.keep_alive_seconds);
 406         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SKIP_OVER_DTIM) {
 407                 if (mvmvif->dbgfs_pm.skip_over_dtim)
 408                         cmd->flags |=
 409                                 cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK);
 410                 else
 411                         cmd->flags &=
 412                                 cpu_to_le16(~POWER_FLAGS_SKIP_OVER_DTIM_MSK);
 413         }
 414         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_RX_DATA_TIMEOUT)
 415                 cmd->rx_data_timeout =
 416                         cpu_to_le32(mvmvif->dbgfs_pm.rx_data_timeout);
 417         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_TX_DATA_TIMEOUT)
 418                 cmd->tx_data_timeout =
 419                         cpu_to_le32(mvmvif->dbgfs_pm.tx_data_timeout);
 420         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS)
 421                 cmd->skip_dtim_periods = mvmvif->dbgfs_pm.skip_dtim_periods;
 422         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_LPRX_ENA) {
 423                 if (mvmvif->dbgfs_pm.lprx_ena)
 424                         cmd->flags |= cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK);
 425                 else
 426                         cmd->flags &= cpu_to_le16(~POWER_FLAGS_LPRX_ENA_MSK);
 427         }
 428         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD)
 429                 cmd->lprx_rssi_threshold = mvmvif->dbgfs_pm.lprx_rssi_threshold;
 430         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SNOOZE_ENABLE) {
 431                 if (mvmvif->dbgfs_pm.snooze_ena)
 432                         cmd->flags |=
 433                                 cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK);
 434                 else
 435                         cmd->flags &=
 436                                 cpu_to_le16(~POWER_FLAGS_SNOOZE_ENA_MSK);
 437         }
 438         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_UAPSD_MISBEHAVING) {
 439                 u16 flag = POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK;
 440                 if (mvmvif->dbgfs_pm.uapsd_misbehaving)
 441                         cmd->flags |= cpu_to_le16(flag);
 442                 else
 443                         cmd->flags &= cpu_to_le16(flag);
 444         }
 445 #endif /* CONFIG_IWLWIFI_DEBUGFS */
 446 }
 447
 448 static int iwl_mvm_power_send_cmd(struct iwl_mvm *mvm,
 449                                          struct ieee80211_vif *vif)
 450 {
 451         struct iwl_mac_power_cmd cmd = {};
 452
 453         iwl_mvm_power_build_cmd(mvm, vif, &cmd);
 454         iwl_mvm_power_log(mvm, &cmd);
 455 #ifdef CONFIG_IWLWIFI_DEBUGFS
 456         memcpy(&iwl_mvm_vif_from_mac80211(vif)->mac_pwr_cmd, &cmd, sizeof(cmd));
 457 #endif
 458
 459         return iwl_mvm_send_cmd_pdu(mvm, MAC_PM_POWER_TABLE, 0,
 460                                     sizeof(cmd), &cmd);
 461 }
 462
 463 int iwl_mvm_power_update_device(struct iwl_mvm *mvm)
 464 {
 465         struct iwl_device_power_cmd cmd = {
 466                 .flags = cpu_to_le16(DEVICE_POWER_FLAGS_POWER_SAVE_ENA_MSK),
 467         };
 468
 469         if (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM)
 470                 mvm->ps_disabled = true;
 471
 472         if (mvm->ps_disabled)
 473                 cmd.flags |= cpu_to_le16(DEVICE_POWER_FLAGS_CAM_MSK);
 474
 475 #ifdef CONFIG_IWLWIFI_DEBUGFS
 476         if ((mvm->cur_ucode == IWL_UCODE_WOWLAN) ? mvm->disable_power_off_d3 :
 477             mvm->disable_power_off)
 478                 cmd.flags &=
 479                         cpu_to_le16(~DEVICE_POWER_FLAGS_POWER_SAVE_ENA_MSK);
 480 #endif
 481         IWL_DEBUG_POWER(mvm,
 482                         "Sending device power command with flags = 0x%X\n",
 483                         cmd.flags);
 484
 485         return iwl_mvm_send_cmd_pdu(mvm, POWER_TABLE_CMD, 0, sizeof(cmd),
 486                                     &cmd);
 487 }
 488
 489 void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
 490 {
 491         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 492
 493         if (memcmp(vif->bss_conf.bssid, mvmvif->uapsd_misbehaving_bssid,
 494                    ETH_ALEN))
 495                 eth_zero_addr(mvmvif->uapsd_misbehaving_bssid);
 496 }
 497
 498 static void iwl_mvm_power_uapsd_misbehav_ap_iterator(void *_data, u8 *mac,
 499                                                      struct ieee80211_vif *vif)
 500 {
 501         u8 *ap_sta_id = _data;
 502         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 503
 504         /* The ap_sta_id is not expected to change during current association
 505          * so no explicit protection is needed
 506          */
 507         if (mvmvif->ap_sta_id == *ap_sta_id)
 508                 memcpy(mvmvif->uapsd_misbehaving_bssid, vif->bss_conf.bssid,
 509                        ETH_ALEN);
 510 }
 511
 512 int iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm,
 513                                              struct iwl_rx_cmd_buffer *rxb,
 514                                              struct iwl_device_cmd *cmd)
 515 {
 516         struct iwl_rx_packet *pkt = rxb_addr(rxb);
 517         struct iwl_uapsd_misbehaving_ap_notif *notif = (void *)pkt->data;
 518         u8 ap_sta_id = le32_to_cpu(notif->sta_id);
 519
 520         ieee80211_iterate_active_interfaces_atomic(
 521                 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
 522                 iwl_mvm_power_uapsd_misbehav_ap_iterator, &ap_sta_id);
 523
 524         return 0;
 525 }
 526
 527 struct iwl_power_vifs {
 528         struct iwl_mvm *mvm;
 529         struct ieee80211_vif *bf_vif;
 530         struct ieee80211_vif *bss_vif;
 531         struct ieee80211_vif *p2p_vif;
 532         struct ieee80211_vif *ap_vif;
 533         struct ieee80211_vif *monitor_vif;
 534         bool p2p_active;
 535         bool bss_active;
 536         bool ap_active;
 537         bool monitor_active;
 538 };
 539
 540 static void iwl_mvm_power_disable_pm_iterator(void *_data, u8* mac,
 541                                               struct ieee80211_vif *vif)
 542 {
 543         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 544
 545         mvmvif->pm_enabled = false;
 546 }
 547
 548 static void iwl_mvm_power_ps_disabled_iterator(void *_data, u8* mac,
 549                                                struct ieee80211_vif *vif)
 550 {
 551         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 552         bool *disable_ps = _data;
 553
 554         if (mvmvif->phy_ctxt)
 555                 if (mvmvif->phy_ctxt->id < MAX_PHYS)
 556                         *disable_ps |= mvmvif->ps_disabled;
 557 }
 558
 559 static void iwl_mvm_power_get_vifs_iterator(void *_data, u8 *mac,
 560                                             struct ieee80211_vif *vif)
 561 {
 562         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 563         struct iwl_power_vifs *power_iterator = _data;
 564
 565         switch (ieee80211_vif_type_p2p(vif)) {
 566         case NL80211_IFTYPE_P2P_DEVICE:
 567                 break;
 568
 569         case NL80211_IFTYPE_P2P_GO:
 570         case NL80211_IFTYPE_AP:
 571                 /* only a single MAC of the same type */
 572                 WARN_ON(power_iterator->ap_vif);
 573                 power_iterator->ap_vif = vif;
 574                 if (mvmvif->phy_ctxt)
 575                         if (mvmvif->phy_ctxt->id < MAX_PHYS)
 576                                 power_iterator->ap_active = true;
 577                 break;
 578
 579         case NL80211_IFTYPE_MONITOR:
 580                 /* only a single MAC of the same type */
 581                 WARN_ON(power_iterator->monitor_vif);
 582                 power_iterator->monitor_vif = vif;
 583                 if (mvmvif->phy_ctxt)
 584                         if (mvmvif->phy_ctxt->id < MAX_PHYS)
 585                                 power_iterator->monitor_active = true;
 586                 break;
 587
 588         case NL80211_IFTYPE_P2P_CLIENT:
 589                 /* only a single MAC of the same type */
 590                 WARN_ON(power_iterator->p2p_vif);
 591                 power_iterator->p2p_vif = vif;
 592                 if (mvmvif->phy_ctxt)
 593                         if (mvmvif->phy_ctxt->id < MAX_PHYS)
 594                                 power_iterator->p2p_active = true;
 595                 break;
 596
 597         case NL80211_IFTYPE_STATION:
 598                 /* only a single MAC of the same type */
 599                 WARN_ON(power_iterator->bss_vif);
 600                 power_iterator->bss_vif = vif;
 601                 if (mvmvif->phy_ctxt)
 602                         if (mvmvif->phy_ctxt->id < MAX_PHYS)
 603                                 power_iterator->bss_active = true;
 604
 605                 if (mvmvif->bf_data.bf_enabled &&
 606                     !WARN_ON(power_iterator->bf_vif))
 607                         power_iterator->bf_vif = vif;
 608
 609                 break;
 610
 611         default:
 612                 break;
 613         }
 614 }
 615
 616 static void iwl_mvm_power_set_pm(struct iwl_mvm *mvm,
 617                                  struct iwl_power_vifs *vifs)
 618 {
 619         struct iwl_mvm_vif *bss_mvmvif = NULL;
 620         struct iwl_mvm_vif *p2p_mvmvif = NULL;
 621         struct iwl_mvm_vif *ap_mvmvif = NULL;
 622         bool client_same_channel = false;
 623         bool ap_same_channel = false;
 624
 625         lockdep_assert_held(&mvm->mutex);
 626
 627         /* set pm_enable to false */
 628         ieee80211_iterate_active_interfaces_atomic(mvm->hw,
 629                                         IEEE80211_IFACE_ITER_NORMAL,
 630                                         iwl_mvm_power_disable_pm_iterator,
 631                                         NULL);
 632
 633         if (vifs->bss_vif)
 634                 bss_mvmvif = iwl_mvm_vif_from_mac80211(vifs->bss_vif);
 635
 636         if (vifs->p2p_vif)
 637                 p2p_mvmvif = iwl_mvm_vif_from_mac80211(vifs->p2p_vif);
 638
 639         if (vifs->ap_vif)
 640                 ap_mvmvif = iwl_mvm_vif_from_mac80211(vifs->ap_vif);
 641
 642         /* don't allow PM if any TDLS stations exist */
 643         if (iwl_mvm_tdls_sta_count(mvm, NULL))
 644                 return;
 645
 646         /* enable PM on bss if bss stand alone */
 647         if (vifs->bss_active && !vifs->p2p_active && !vifs->ap_active) {
 648                 bss_mvmvif->pm_enabled = true;
 649                 return;
 650         }
 651
 652         /* enable PM on p2p if p2p stand alone */
 653         if (vifs->p2p_active && !vifs->bss_active && !vifs->ap_active) {
 654                 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_P2P_PM)
 655                         p2p_mvmvif->pm_enabled = true;
 656                 return;
 657         }
 658
 659         if (vifs->bss_active && vifs->p2p_active)
 660                 client_same_channel = (bss_mvmvif->phy_ctxt->id ==
 661                                        p2p_mvmvif->phy_ctxt->id);
 662         if (vifs->bss_active && vifs->ap_active)
 663                 ap_same_channel = (bss_mvmvif->phy_ctxt->id ==
 664                                    ap_mvmvif->phy_ctxt->id);
 665
 666         /* clients are not stand alone: enable PM if DCM */
 667         if (!(client_same_channel || ap_same_channel) &&
 668             (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BSS_P2P_PS_DCM)) {
 669                 if (vifs->bss_active)
 670                         bss_mvmvif->pm_enabled = true;
 671                 if (vifs->p2p_active &&
 672                     (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_P2P_PM))
 673                         p2p_mvmvif->pm_enabled = true;
 674                 return;
 675         }
 676
 677         /*
 678          * There is only one channel in the system and there are only
 679          * bss and p2p clients that share it
 680          */
 681         if (client_same_channel && !vifs->ap_active &&
 682             (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BSS_P2P_PS_SCM)) {
 683                 /* share same channel*/
 684                 bss_mvmvif->pm_enabled = true;
 685                 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_P2P_PM)
 686                         p2p_mvmvif->pm_enabled = true;
 687         }
 688 }
 689
 690 #ifdef CONFIG_IWLWIFI_DEBUGFS
 691 int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm,
 692                                  struct ieee80211_vif *vif, char *buf,
 693                                  int bufsz)
 694 {
 695         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 696         struct iwl_mac_power_cmd cmd = {};
 697         int pos = 0;
 698
 699         mutex_lock(&mvm->mutex);
 700         memcpy(&cmd, &mvmvif->mac_pwr_cmd, sizeof(cmd));
 701         mutex_unlock(&mvm->mutex);
 702
 703         pos += scnprintf(buf+pos, bufsz-pos, "power_scheme = %d\n",
 704                          iwlmvm_mod_params.power_scheme);
 705         pos += scnprintf(buf+pos, bufsz-pos, "flags = 0x%x\n",
 706                          le16_to_cpu(cmd.flags));
 707         pos += scnprintf(buf+pos, bufsz-pos, "keep_alive = %d\n",
 708                          le16_to_cpu(cmd.keep_alive_seconds));
 709
 710         if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK)))
 711                 return pos;
 712
 713         pos += scnprintf(buf+pos, bufsz-pos, "skip_over_dtim = %d\n",
 714                          (cmd.flags &
 715                          cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK)) ? 1 : 0);
 716         pos += scnprintf(buf+pos, bufsz-pos, "skip_dtim_periods = %d\n",
 717                          cmd.skip_dtim_periods);
 718         if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK))) {
 719                 pos += scnprintf(buf+pos, bufsz-pos, "rx_data_timeout = %d\n",
 720                                  le32_to_cpu(cmd.rx_data_timeout));
 721                 pos += scnprintf(buf+pos, bufsz-pos, "tx_data_timeout = %d\n",
 722                                  le32_to_cpu(cmd.tx_data_timeout));
 723         }
 724         if (cmd.flags & cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK))
 725                 pos += scnprintf(buf+pos, bufsz-pos,
 726                                  "lprx_rssi_threshold = %d\n",
 727                                  cmd.lprx_rssi_threshold);
 728
 729         if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK)))
 730                 return pos;
 731
 732         pos += scnprintf(buf+pos, bufsz-pos, "rx_data_timeout_uapsd = %d\n",
 733                          le32_to_cpu(cmd.rx_data_timeout_uapsd));
 734         pos += scnprintf(buf+pos, bufsz-pos, "tx_data_timeout_uapsd = %d\n",
 735                          le32_to_cpu(cmd.tx_data_timeout_uapsd));
 736         pos += scnprintf(buf+pos, bufsz-pos, "qndp_tid = %d\n", cmd.qndp_tid);
 737         pos += scnprintf(buf+pos, bufsz-pos, "uapsd_ac_flags = 0x%x\n",
 738                          cmd.uapsd_ac_flags);
 739         pos += scnprintf(buf+pos, bufsz-pos, "uapsd_max_sp = %d\n",
 740                          cmd.uapsd_max_sp);
 741         pos += scnprintf(buf+pos, bufsz-pos, "heavy_tx_thld_packets = %d\n",
 742                          cmd.heavy_tx_thld_packets);
 743         pos += scnprintf(buf+pos, bufsz-pos, "heavy_rx_thld_packets = %d\n",
 744                          cmd.heavy_rx_thld_packets);
 745         pos += scnprintf(buf+pos, bufsz-pos, "heavy_tx_thld_percentage = %d\n",
 746                          cmd.heavy_tx_thld_percentage);
 747         pos += scnprintf(buf+pos, bufsz-pos, "heavy_rx_thld_percentage = %d\n",
 748                          cmd.heavy_rx_thld_percentage);
 749         pos += scnprintf(buf+pos, bufsz-pos, "uapsd_misbehaving_enable = %d\n",
 750                          (cmd.flags &
 751                           cpu_to_le16(POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK)) ?
 752                          1 : 0);
 753
 754         if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)))
 755                 return pos;
 756
 757         pos += scnprintf(buf+pos, bufsz-pos, "snooze_interval = %d\n",
 758                          cmd.snooze_interval);
 759         pos += scnprintf(buf+pos, bufsz-pos, "snooze_window = %d\n",
 760                          cmd.snooze_window);
 761
 762         return pos;
 763 }
 764
 765 void
 766 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
 767                                          struct iwl_beacon_filter_cmd *cmd)
 768 {
 769         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 770         struct iwl_dbgfs_bf *dbgfs_bf = &mvmvif->dbgfs_bf;
 771
 772         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ENERGY_DELTA)
 773                 cmd->bf_energy_delta = cpu_to_le32(dbgfs_bf->bf_energy_delta);
 774         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA)
 775                 cmd->bf_roaming_energy_delta =
 776                                 cpu_to_le32(dbgfs_bf->bf_roaming_energy_delta);
 777         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ROAMING_STATE)
 778                 cmd->bf_roaming_state = cpu_to_le32(dbgfs_bf->bf_roaming_state);
 779         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_THRESHOLD)
 780                 cmd->bf_temp_threshold =
 781                                 cpu_to_le32(dbgfs_bf->bf_temp_threshold);
 782         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_FAST_FILTER)
 783                 cmd->bf_temp_fast_filter =
 784                                 cpu_to_le32(dbgfs_bf->bf_temp_fast_filter);
 785         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_SLOW_FILTER)
 786                 cmd->bf_temp_slow_filter =
 787                                 cpu_to_le32(dbgfs_bf->bf_temp_slow_filter);
 788         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_DEBUG_FLAG)
 789                 cmd->bf_debug_flag = cpu_to_le32(dbgfs_bf->bf_debug_flag);
 790         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ESCAPE_TIMER)
 791                 cmd->bf_escape_timer = cpu_to_le32(dbgfs_bf->bf_escape_timer);
 792         if (dbgfs_bf->mask & MVM_DEBUGFS_BA_ESCAPE_TIMER)
 793                 cmd->ba_escape_timer = cpu_to_le32(dbgfs_bf->ba_escape_timer);
 794         if (dbgfs_bf->mask & MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT)
 795                 cmd->ba_enable_beacon_abort =
 796                                 cpu_to_le32(dbgfs_bf->ba_enable_beacon_abort);
 797 }
 798 #endif
 799
 800 static int _iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
 801                                          struct ieee80211_vif *vif,
 802                                          struct iwl_beacon_filter_cmd *cmd,
 803                                          u32 cmd_flags,
 804                                          bool d0i3)
 805 {
 806         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 807         int ret;
 808
 809         if (mvmvif != mvm->bf_allowed_vif || !vif->bss_conf.dtim_period ||
 810             vif->type != NL80211_IFTYPE_STATION || vif->p2p)
 811                 return 0;
 812
 813         iwl_mvm_beacon_filter_set_cqm_params(mvm, vif, cmd);
 814         if (!d0i3)
 815                 iwl_mvm_beacon_filter_debugfs_parameters(vif, cmd);
 816         ret = iwl_mvm_beacon_filter_send_cmd(mvm, cmd, cmd_flags);
 817
 818         /* don't change bf_enabled in case of temporary d0i3 configuration */
 819         if (!ret && !d0i3)
 820                 mvmvif->bf_data.bf_enabled = true;
 821
 822         return ret;
 823 }
 824
 825 int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
 826                                  struct ieee80211_vif *vif,
 827                                  u32 flags)
 828 {
 829         struct iwl_beacon_filter_cmd cmd = {
 830                 IWL_BF_CMD_CONFIG_DEFAULTS,
 831                 .bf_enable_beacon_filter = cpu_to_le32(1),
 832         };
 833
 834         return _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd, flags, false);
 835 }
 836
 837 static int iwl_mvm_update_beacon_abort(struct iwl_mvm *mvm,
 838                                        struct ieee80211_vif *vif,
 839                                        bool enable)
 840 {
 841         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 842         struct iwl_beacon_filter_cmd cmd = {
 843                 IWL_BF_CMD_CONFIG_DEFAULTS,
 844                 .bf_enable_beacon_filter = cpu_to_le32(1),
 845         };
 846
 847         if (!mvmvif->bf_data.bf_enabled)
 848                 return 0;
 849
 850         if (mvm->cur_ucode == IWL_UCODE_WOWLAN)
 851                 cmd.ba_escape_timer = cpu_to_le32(IWL_BA_ESCAPE_TIMER_D3);
 852
 853         mvmvif->bf_data.ba_enabled = enable;
 854         return _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd, 0, false);
 855 }
 856
 857 int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
 858                                   struct ieee80211_vif *vif,
 859                                   u32 flags)
 860 {
 861         struct iwl_beacon_filter_cmd cmd = {};
 862         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 863         int ret;
 864
 865         if (vif->type != NL80211_IFTYPE_STATION || vif->p2p)
 866                 return 0;
 867
 868         ret = iwl_mvm_beacon_filter_send_cmd(mvm, &cmd, flags);
 869
 870         if (!ret)
 871                 mvmvif->bf_data.bf_enabled = false;
 872
 873         return ret;
 874 }
 875
 876 static int iwl_mvm_power_set_ps(struct iwl_mvm *mvm)
 877 {
 878         bool disable_ps;
 879         int ret;
 880
 881         /* disable PS if CAM */
 882         disable_ps = (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM);
 883         /* ...or if any of the vifs require PS to be off */
 884         ieee80211_iterate_active_interfaces_atomic(mvm->hw,
 885                                         IEEE80211_IFACE_ITER_NORMAL,
 886                                         iwl_mvm_power_ps_disabled_iterator,
 887                                         &disable_ps);
 888
 889         /* update device power state if it has changed */
 890         if (mvm->ps_disabled != disable_ps) {
 891                 bool old_ps_disabled = mvm->ps_disabled;
 892
 893                 mvm->ps_disabled = disable_ps;
 894                 ret = iwl_mvm_power_update_device(mvm);
 895                 if (ret) {
 896                         mvm->ps_disabled = old_ps_disabled;
 897                         return ret;
 898                 }
 899         }
 900
 901         return 0;
 902 }
 903
 904 static int iwl_mvm_power_set_ba(struct iwl_mvm *mvm,
 905                                 struct iwl_power_vifs *vifs)
 906 {
 907         struct iwl_mvm_vif *mvmvif;
 908         bool ba_enable;
 909
 910         if (!vifs->bf_vif)
 911                 return 0;
 912
 913         mvmvif = iwl_mvm_vif_from_mac80211(vifs->bf_vif);
 914
 915         ba_enable = !(!mvmvif->pm_enabled || mvm->ps_disabled ||
 916                       !vifs->bf_vif->bss_conf.ps ||
 917                       iwl_mvm_vif_low_latency(mvmvif));
 918
 919         return iwl_mvm_update_beacon_abort(mvm, vifs->bf_vif, ba_enable);
 920 }
 921
 922 int iwl_mvm_power_update_ps(struct iwl_mvm *mvm)
 923 {
 924         struct iwl_power_vifs vifs = {
 925                 .mvm = mvm,
 926         };
 927         int ret;
 928
 929         lockdep_assert_held(&mvm->mutex);
 930
 931         /* get vifs info */
 932         ieee80211_iterate_active_interfaces_atomic(mvm->hw,
 933                                         IEEE80211_IFACE_ITER_NORMAL,
 934                                         iwl_mvm_power_get_vifs_iterator, &vifs);
 935
 936         ret = iwl_mvm_power_set_ps(mvm);
 937         if (ret)
 938                 return ret;
 939
 940         return iwl_mvm_power_set_ba(mvm, &vifs);
 941 }
 942
 943 int iwl_mvm_power_update_mac(struct iwl_mvm *mvm)
 944 {
 945         struct iwl_power_vifs vifs = {
 946                 .mvm = mvm,
 947         };
 948         int ret;
 949
 950         lockdep_assert_held(&mvm->mutex);
 951
 952         /* get vifs info */
 953         ieee80211_iterate_active_interfaces_atomic(mvm->hw,
 954                                         IEEE80211_IFACE_ITER_NORMAL,
 955                                         iwl_mvm_power_get_vifs_iterator, &vifs);
 956
 957         iwl_mvm_power_set_pm(mvm, &vifs);
 958
 959         ret = iwl_mvm_power_set_ps(mvm);
 960         if (ret)
 961                 return ret;
 962
 963         if (vifs.bss_vif) {
 964                 ret = iwl_mvm_power_send_cmd(mvm, vifs.bss_vif);
 965                 if (ret)
 966                         return ret;
 967         }
 968
 969         if (vifs.p2p_vif) {
 970                 ret = iwl_mvm_power_send_cmd(mvm, vifs.p2p_vif);
 971                 if (ret)
 972                         return ret;
 973         }
 974
 975         return iwl_mvm_power_set_ba(mvm, &vifs);
 976 }
 977
 978 int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm,
 979                                    struct ieee80211_vif *vif,
 980                                    bool enable, u32 flags)
 981 {
 982         int ret;
 983         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 984         struct iwl_mac_power_cmd cmd = {};
 985
 986         if (vif->type != NL80211_IFTYPE_STATION || vif->p2p)
 987                 return 0;
 988
 989         if (!vif->bss_conf.assoc)
 990                 return 0;
 991
 992         iwl_mvm_power_build_cmd(mvm, vif, &cmd);
 993         if (enable) {
 994                 /* configure skip over dtim up to 306TU - 314 msec */
 995                 int dtimper = vif->bss_conf.dtim_period ?: 1;
 996                 int dtimper_tu = dtimper * vif->bss_conf.beacon_int;
 997                 bool radar_detect = iwl_mvm_power_is_radar(vif);
 998
 999                 if (WARN_ON(!dtimper_tu))
1000                         return 0;
1001
1002                 /* Check skip over DTIM conditions */
1003                 /* TODO: check that multicast wake lock is off */
1004                 if (!radar_detect && (dtimper < 10)) {
1005                         cmd.skip_dtim_periods = 306 / dtimper_tu;
1006                         if (cmd.skip_dtim_periods)
1007                                 cmd.flags |= cpu_to_le16(
1008                                         POWER_FLAGS_SKIP_OVER_DTIM_MSK);
1009                 }
1010         }
1011         iwl_mvm_power_log(mvm, &cmd);
1012 #ifdef CONFIG_IWLWIFI_DEBUGFS
1013         memcpy(&mvmvif->mac_pwr_cmd, &cmd, sizeof(cmd));
1014 #endif
1015         ret = iwl_mvm_send_cmd_pdu(mvm, MAC_PM_POWER_TABLE, flags,
1016                                    sizeof(cmd), &cmd);
1017         if (ret)
1018                 return ret;
1019
1020         /* configure beacon filtering */
1021         if (mvmvif != mvm->bf_allowed_vif)
1022                 return 0;
1023
1024         if (enable) {
1025                 struct iwl_beacon_filter_cmd cmd_bf = {
1026                         IWL_BF_CMD_CONFIG_D0I3,
1027                         .bf_enable_beacon_filter = cpu_to_le32(1),
1028                 };
1029                 ret = _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd_bf,
1030                                                     flags, true);
1031         } else {
1032                 if (mvmvif->bf_data.bf_enabled)
1033                         ret = iwl_mvm_enable_beacon_filter(mvm, vif, flags);
1034                 else
1035                         ret = iwl_mvm_disable_beacon_filter(mvm, vif, flags);
1036         }
1037
1038         return ret;
1039 }