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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  33  *
  34  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
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  50  *    from this software without specific prior written permission.
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  52  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  53  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  54  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  55  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  56  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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  62  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  63  *
  64  *****************************************************************************/
  65
  66 #include <linux/kernel.h>
  67 #include <linux/module.h>
  68 #include <linux/slab.h>
  69 #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 void iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm,
 513                                               struct iwl_rx_cmd_buffer *rxb)
 514 {
 515         struct iwl_rx_packet *pkt = rxb_addr(rxb);
 516         struct iwl_uapsd_misbehaving_ap_notif *notif = (void *)pkt->data;
 517         u8 ap_sta_id = le32_to_cpu(notif->sta_id);
 518
 519         ieee80211_iterate_active_interfaces_atomic(
 520                 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
 521                 iwl_mvm_power_uapsd_misbehav_ap_iterator, &ap_sta_id);
 522 }
 523
 524 struct iwl_power_vifs {
 525         struct iwl_mvm *mvm;
 526         struct ieee80211_vif *bf_vif;
 527         struct ieee80211_vif *bss_vif;
 528         struct ieee80211_vif *p2p_vif;
 529         struct ieee80211_vif *ap_vif;
 530         struct ieee80211_vif *monitor_vif;
 531         bool p2p_active;
 532         bool bss_active;
 533         bool ap_active;
 534         bool monitor_active;
 535 };
 536
 537 static void iwl_mvm_power_disable_pm_iterator(void *_data, u8* mac,
 538                                               struct ieee80211_vif *vif)
 539 {
 540         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 541
 542         mvmvif->pm_enabled = false;
 543 }
 544
 545 static void iwl_mvm_power_ps_disabled_iterator(void *_data, u8* mac,
 546                                                struct ieee80211_vif *vif)
 547 {
 548         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 549         bool *disable_ps = _data;
 550
 551         if (mvmvif->phy_ctxt)
 552                 if (mvmvif->phy_ctxt->id < MAX_PHYS)
 553                         *disable_ps |= mvmvif->ps_disabled;
 554 }
 555
 556 static void iwl_mvm_power_get_vifs_iterator(void *_data, u8 *mac,
 557                                             struct ieee80211_vif *vif)
 558 {
 559         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 560         struct iwl_power_vifs *power_iterator = _data;
 561
 562         switch (ieee80211_vif_type_p2p(vif)) {
 563         case NL80211_IFTYPE_P2P_DEVICE:
 564                 break;
 565
 566         case NL80211_IFTYPE_P2P_GO:
 567         case NL80211_IFTYPE_AP:
 568                 /* only a single MAC of the same type */
 569                 WARN_ON(power_iterator->ap_vif);
 570                 power_iterator->ap_vif = vif;
 571                 if (mvmvif->phy_ctxt)
 572                         if (mvmvif->phy_ctxt->id < MAX_PHYS)
 573                                 power_iterator->ap_active = true;
 574                 break;
 575
 576         case NL80211_IFTYPE_MONITOR:
 577                 /* only a single MAC of the same type */
 578                 WARN_ON(power_iterator->monitor_vif);
 579                 power_iterator->monitor_vif = vif;
 580                 if (mvmvif->phy_ctxt)
 581                         if (mvmvif->phy_ctxt->id < MAX_PHYS)
 582                                 power_iterator->monitor_active = true;
 583                 break;
 584
 585         case NL80211_IFTYPE_P2P_CLIENT:
 586                 /* only a single MAC of the same type */
 587                 WARN_ON(power_iterator->p2p_vif);
 588                 power_iterator->p2p_vif = vif;
 589                 if (mvmvif->phy_ctxt)
 590                         if (mvmvif->phy_ctxt->id < MAX_PHYS)
 591                                 power_iterator->p2p_active = true;
 592                 break;
 593
 594         case NL80211_IFTYPE_STATION:
 595                 /* only a single MAC of the same type */
 596                 WARN_ON(power_iterator->bss_vif);
 597                 power_iterator->bss_vif = vif;
 598                 if (mvmvif->phy_ctxt)
 599                         if (mvmvif->phy_ctxt->id < MAX_PHYS)
 600                                 power_iterator->bss_active = true;
 601
 602                 if (mvmvif->bf_data.bf_enabled &&
 603                     !WARN_ON(power_iterator->bf_vif))
 604                         power_iterator->bf_vif = vif;
 605
 606                 break;
 607
 608         default:
 609                 break;
 610         }
 611 }
 612
 613 static void iwl_mvm_power_set_pm(struct iwl_mvm *mvm,
 614                                  struct iwl_power_vifs *vifs)
 615 {
 616         struct iwl_mvm_vif *bss_mvmvif = NULL;
 617         struct iwl_mvm_vif *p2p_mvmvif = NULL;
 618         struct iwl_mvm_vif *ap_mvmvif = NULL;
 619         bool client_same_channel = false;
 620         bool ap_same_channel = false;
 621
 622         lockdep_assert_held(&mvm->mutex);
 623
 624         /* set pm_enable to false */
 625         ieee80211_iterate_active_interfaces_atomic(mvm->hw,
 626                                         IEEE80211_IFACE_ITER_NORMAL,
 627                                         iwl_mvm_power_disable_pm_iterator,
 628                                         NULL);
 629
 630         if (vifs->bss_vif)
 631                 bss_mvmvif = iwl_mvm_vif_from_mac80211(vifs->bss_vif);
 632
 633         if (vifs->p2p_vif)
 634                 p2p_mvmvif = iwl_mvm_vif_from_mac80211(vifs->p2p_vif);
 635
 636         if (vifs->ap_vif)
 637                 ap_mvmvif = iwl_mvm_vif_from_mac80211(vifs->ap_vif);
 638
 639         /* don't allow PM if any TDLS stations exist */
 640         if (iwl_mvm_tdls_sta_count(mvm, NULL))
 641                 return;
 642
 643         /* enable PM on bss if bss stand alone */
 644         if (vifs->bss_active && !vifs->p2p_active && !vifs->ap_active) {
 645                 bss_mvmvif->pm_enabled = true;
 646                 return;
 647         }
 648
 649         /* enable PM on p2p if p2p stand alone */
 650         if (vifs->p2p_active && !vifs->bss_active && !vifs->ap_active) {
 651                 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_P2P_PM)
 652                         p2p_mvmvif->pm_enabled = true;
 653                 return;
 654         }
 655
 656         if (vifs->bss_active && vifs->p2p_active)
 657                 client_same_channel = (bss_mvmvif->phy_ctxt->id ==
 658                                        p2p_mvmvif->phy_ctxt->id);
 659         if (vifs->bss_active && vifs->ap_active)
 660                 ap_same_channel = (bss_mvmvif->phy_ctxt->id ==
 661                                    ap_mvmvif->phy_ctxt->id);
 662
 663         /* clients are not stand alone: enable PM if DCM */
 664         if (!(client_same_channel || ap_same_channel) &&
 665             (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BSS_P2P_PS_DCM)) {
 666                 if (vifs->bss_active)
 667                         bss_mvmvif->pm_enabled = true;
 668                 if (vifs->p2p_active &&
 669                     (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_P2P_PM))
 670                         p2p_mvmvif->pm_enabled = true;
 671                 return;
 672         }
 673
 674         /*
 675          * There is only one channel in the system and there are only
 676          * bss and p2p clients that share it
 677          */
 678         if (client_same_channel && !vifs->ap_active &&
 679             (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BSS_P2P_PS_SCM)) {
 680                 /* share same channel*/
 681                 bss_mvmvif->pm_enabled = true;
 682                 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_P2P_PM)
 683                         p2p_mvmvif->pm_enabled = true;
 684         }
 685 }
 686
 687 #ifdef CONFIG_IWLWIFI_DEBUGFS
 688 int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm,
 689                                  struct ieee80211_vif *vif, char *buf,
 690                                  int bufsz)
 691 {
 692         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 693         struct iwl_mac_power_cmd cmd = {};
 694         int pos = 0;
 695
 696         mutex_lock(&mvm->mutex);
 697         memcpy(&cmd, &mvmvif->mac_pwr_cmd, sizeof(cmd));
 698         mutex_unlock(&mvm->mutex);
 699
 700         pos += scnprintf(buf+pos, bufsz-pos, "power_scheme = %d\n",
 701                          iwlmvm_mod_params.power_scheme);
 702         pos += scnprintf(buf+pos, bufsz-pos, "flags = 0x%x\n",
 703                          le16_to_cpu(cmd.flags));
 704         pos += scnprintf(buf+pos, bufsz-pos, "keep_alive = %d\n",
 705                          le16_to_cpu(cmd.keep_alive_seconds));
 706
 707         if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK)))
 708                 return pos;
 709
 710         pos += scnprintf(buf+pos, bufsz-pos, "skip_over_dtim = %d\n",
 711                          (cmd.flags &
 712                          cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK)) ? 1 : 0);
 713         pos += scnprintf(buf+pos, bufsz-pos, "skip_dtim_periods = %d\n",
 714                          cmd.skip_dtim_periods);
 715         if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK))) {
 716                 pos += scnprintf(buf+pos, bufsz-pos, "rx_data_timeout = %d\n",
 717                                  le32_to_cpu(cmd.rx_data_timeout));
 718                 pos += scnprintf(buf+pos, bufsz-pos, "tx_data_timeout = %d\n",
 719                                  le32_to_cpu(cmd.tx_data_timeout));
 720         }
 721         if (cmd.flags & cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK))
 722                 pos += scnprintf(buf+pos, bufsz-pos,
 723                                  "lprx_rssi_threshold = %d\n",
 724                                  cmd.lprx_rssi_threshold);
 725
 726         if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK)))
 727                 return pos;
 728
 729         pos += scnprintf(buf+pos, bufsz-pos, "rx_data_timeout_uapsd = %d\n",
 730                          le32_to_cpu(cmd.rx_data_timeout_uapsd));
 731         pos += scnprintf(buf+pos, bufsz-pos, "tx_data_timeout_uapsd = %d\n",
 732                          le32_to_cpu(cmd.tx_data_timeout_uapsd));
 733         pos += scnprintf(buf+pos, bufsz-pos, "qndp_tid = %d\n", cmd.qndp_tid);
 734         pos += scnprintf(buf+pos, bufsz-pos, "uapsd_ac_flags = 0x%x\n",
 735                          cmd.uapsd_ac_flags);
 736         pos += scnprintf(buf+pos, bufsz-pos, "uapsd_max_sp = %d\n",
 737                          cmd.uapsd_max_sp);
 738         pos += scnprintf(buf+pos, bufsz-pos, "heavy_tx_thld_packets = %d\n",
 739                          cmd.heavy_tx_thld_packets);
 740         pos += scnprintf(buf+pos, bufsz-pos, "heavy_rx_thld_packets = %d\n",
 741                          cmd.heavy_rx_thld_packets);
 742         pos += scnprintf(buf+pos, bufsz-pos, "heavy_tx_thld_percentage = %d\n",
 743                          cmd.heavy_tx_thld_percentage);
 744         pos += scnprintf(buf+pos, bufsz-pos, "heavy_rx_thld_percentage = %d\n",
 745                          cmd.heavy_rx_thld_percentage);
 746         pos += scnprintf(buf+pos, bufsz-pos, "uapsd_misbehaving_enable = %d\n",
 747                          (cmd.flags &
 748                           cpu_to_le16(POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK)) ?
 749                          1 : 0);
 750
 751         if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)))
 752                 return pos;
 753
 754         pos += scnprintf(buf+pos, bufsz-pos, "snooze_interval = %d\n",
 755                          cmd.snooze_interval);
 756         pos += scnprintf(buf+pos, bufsz-pos, "snooze_window = %d\n",
 757                          cmd.snooze_window);
 758
 759         return pos;
 760 }
 761
 762 void
 763 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
 764                                          struct iwl_beacon_filter_cmd *cmd)
 765 {
 766         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 767         struct iwl_dbgfs_bf *dbgfs_bf = &mvmvif->dbgfs_bf;
 768
 769         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ENERGY_DELTA)
 770                 cmd->bf_energy_delta = cpu_to_le32(dbgfs_bf->bf_energy_delta);
 771         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA)
 772                 cmd->bf_roaming_energy_delta =
 773                                 cpu_to_le32(dbgfs_bf->bf_roaming_energy_delta);
 774         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ROAMING_STATE)
 775                 cmd->bf_roaming_state = cpu_to_le32(dbgfs_bf->bf_roaming_state);
 776         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_THRESHOLD)
 777                 cmd->bf_temp_threshold =
 778                                 cpu_to_le32(dbgfs_bf->bf_temp_threshold);
 779         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_FAST_FILTER)
 780                 cmd->bf_temp_fast_filter =
 781                                 cpu_to_le32(dbgfs_bf->bf_temp_fast_filter);
 782         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_SLOW_FILTER)
 783                 cmd->bf_temp_slow_filter =
 784                                 cpu_to_le32(dbgfs_bf->bf_temp_slow_filter);
 785         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_DEBUG_FLAG)
 786                 cmd->bf_debug_flag = cpu_to_le32(dbgfs_bf->bf_debug_flag);
 787         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ESCAPE_TIMER)
 788                 cmd->bf_escape_timer = cpu_to_le32(dbgfs_bf->bf_escape_timer);
 789         if (dbgfs_bf->mask & MVM_DEBUGFS_BA_ESCAPE_TIMER)
 790                 cmd->ba_escape_timer = cpu_to_le32(dbgfs_bf->ba_escape_timer);
 791         if (dbgfs_bf->mask & MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT)
 792                 cmd->ba_enable_beacon_abort =
 793                                 cpu_to_le32(dbgfs_bf->ba_enable_beacon_abort);
 794 }
 795 #endif
 796
 797 static int _iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
 798                                          struct ieee80211_vif *vif,
 799                                          struct iwl_beacon_filter_cmd *cmd,
 800                                          u32 cmd_flags,
 801                                          bool d0i3)
 802 {
 803         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 804         int ret;
 805
 806         if (mvmvif != mvm->bf_allowed_vif || !vif->bss_conf.dtim_period ||
 807             vif->type != NL80211_IFTYPE_STATION || vif->p2p)
 808                 return 0;
 809
 810         iwl_mvm_beacon_filter_set_cqm_params(mvm, vif, cmd);
 811         if (!d0i3)
 812                 iwl_mvm_beacon_filter_debugfs_parameters(vif, cmd);
 813         ret = iwl_mvm_beacon_filter_send_cmd(mvm, cmd, cmd_flags);
 814
 815         /* don't change bf_enabled in case of temporary d0i3 configuration */
 816         if (!ret && !d0i3)
 817                 mvmvif->bf_data.bf_enabled = true;
 818
 819         return ret;
 820 }
 821
 822 int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
 823                                  struct ieee80211_vif *vif,
 824                                  u32 flags)
 825 {
 826         struct iwl_beacon_filter_cmd cmd = {
 827                 IWL_BF_CMD_CONFIG_DEFAULTS,
 828                 .bf_enable_beacon_filter = cpu_to_le32(1),
 829         };
 830
 831         return _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd, flags, false);
 832 }
 833
 834 static int iwl_mvm_update_beacon_abort(struct iwl_mvm *mvm,
 835                                        struct ieee80211_vif *vif,
 836                                        bool enable)
 837 {
 838         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 839         struct iwl_beacon_filter_cmd cmd = {
 840                 IWL_BF_CMD_CONFIG_DEFAULTS,
 841                 .bf_enable_beacon_filter = cpu_to_le32(1),
 842         };
 843
 844         if (!mvmvif->bf_data.bf_enabled)
 845                 return 0;
 846
 847         if (mvm->cur_ucode == IWL_UCODE_WOWLAN)
 848                 cmd.ba_escape_timer = cpu_to_le32(IWL_BA_ESCAPE_TIMER_D3);
 849
 850         mvmvif->bf_data.ba_enabled = enable;
 851         return _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd, 0, false);
 852 }
 853
 854 int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
 855                                   struct ieee80211_vif *vif,
 856                                   u32 flags)
 857 {
 858         struct iwl_beacon_filter_cmd cmd = {};
 859         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 860         int ret;
 861
 862         if (vif->type != NL80211_IFTYPE_STATION || vif->p2p)
 863                 return 0;
 864
 865         ret = iwl_mvm_beacon_filter_send_cmd(mvm, &cmd, flags);
 866
 867         if (!ret)
 868                 mvmvif->bf_data.bf_enabled = false;
 869
 870         return ret;
 871 }
 872
 873 static int iwl_mvm_power_set_ps(struct iwl_mvm *mvm)
 874 {
 875         bool disable_ps;
 876         int ret;
 877
 878         /* disable PS if CAM */
 879         disable_ps = (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM);
 880         /* ...or if any of the vifs require PS to be off */
 881         ieee80211_iterate_active_interfaces_atomic(mvm->hw,
 882                                         IEEE80211_IFACE_ITER_NORMAL,
 883                                         iwl_mvm_power_ps_disabled_iterator,
 884                                         &disable_ps);
 885
 886         /* update device power state if it has changed */
 887         if (mvm->ps_disabled != disable_ps) {
 888                 bool old_ps_disabled = mvm->ps_disabled;
 889
 890                 mvm->ps_disabled = disable_ps;
 891                 ret = iwl_mvm_power_update_device(mvm);
 892                 if (ret) {
 893                         mvm->ps_disabled = old_ps_disabled;
 894                         return ret;
 895                 }
 896         }
 897
 898         return 0;
 899 }
 900
 901 static int iwl_mvm_power_set_ba(struct iwl_mvm *mvm,
 902                                 struct iwl_power_vifs *vifs)
 903 {
 904         struct iwl_mvm_vif *mvmvif;
 905         bool ba_enable;
 906
 907         if (!vifs->bf_vif)
 908                 return 0;
 909
 910         mvmvif = iwl_mvm_vif_from_mac80211(vifs->bf_vif);
 911
 912         ba_enable = !(!mvmvif->pm_enabled || mvm->ps_disabled ||
 913                       !vifs->bf_vif->bss_conf.ps ||
 914                       iwl_mvm_vif_low_latency(mvmvif));
 915
 916         return iwl_mvm_update_beacon_abort(mvm, vifs->bf_vif, ba_enable);
 917 }
 918
 919 int iwl_mvm_power_update_ps(struct iwl_mvm *mvm)
 920 {
 921         struct iwl_power_vifs vifs = {
 922                 .mvm = mvm,
 923         };
 924         int ret;
 925
 926         lockdep_assert_held(&mvm->mutex);
 927
 928         /* get vifs info */
 929         ieee80211_iterate_active_interfaces_atomic(mvm->hw,
 930                                         IEEE80211_IFACE_ITER_NORMAL,
 931                                         iwl_mvm_power_get_vifs_iterator, &vifs);
 932
 933         ret = iwl_mvm_power_set_ps(mvm);
 934         if (ret)
 935                 return ret;
 936
 937         return iwl_mvm_power_set_ba(mvm, &vifs);
 938 }
 939
 940 int iwl_mvm_power_update_mac(struct iwl_mvm *mvm)
 941 {
 942         struct iwl_power_vifs vifs = {
 943                 .mvm = mvm,
 944         };
 945         int ret;
 946
 947         lockdep_assert_held(&mvm->mutex);
 948
 949         /* get vifs info */
 950         ieee80211_iterate_active_interfaces_atomic(mvm->hw,
 951                                         IEEE80211_IFACE_ITER_NORMAL,
 952                                         iwl_mvm_power_get_vifs_iterator, &vifs);
 953
 954         iwl_mvm_power_set_pm(mvm, &vifs);
 955
 956         ret = iwl_mvm_power_set_ps(mvm);
 957         if (ret)
 958                 return ret;
 959
 960         if (vifs.bss_vif) {
 961                 ret = iwl_mvm_power_send_cmd(mvm, vifs.bss_vif);
 962                 if (ret)
 963                         return ret;
 964         }
 965
 966         if (vifs.p2p_vif) {
 967                 ret = iwl_mvm_power_send_cmd(mvm, vifs.p2p_vif);
 968                 if (ret)
 969                         return ret;
 970         }
 971
 972         return iwl_mvm_power_set_ba(mvm, &vifs);
 973 }
 974
 975 int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm,
 976                                    struct ieee80211_vif *vif,
 977                                    bool enable, u32 flags)
 978 {
 979         int ret;
 980         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 981         struct iwl_mac_power_cmd cmd = {};
 982
 983         if (vif->type != NL80211_IFTYPE_STATION || vif->p2p)
 984                 return 0;
 985
 986         if (!vif->bss_conf.assoc)
 987                 return 0;
 988
 989         iwl_mvm_power_build_cmd(mvm, vif, &cmd);
 990         if (enable) {
 991                 /* configure skip over dtim up to 306TU - 314 msec */
 992                 int dtimper = vif->bss_conf.dtim_period ?: 1;
 993                 int dtimper_tu = dtimper * vif->bss_conf.beacon_int;
 994                 bool radar_detect = iwl_mvm_power_is_radar(vif);
 995
 996                 if (WARN_ON(!dtimper_tu))
 997                         return 0;
 998
 999                 /* Check skip over DTIM conditions */
1000                 /* TODO: check that multicast wake lock is off */
1001                 if (!radar_detect && (dtimper < 10)) {
1002                         cmd.skip_dtim_periods = 306 / dtimper_tu;
1003                         if (cmd.skip_dtim_periods)
1004                                 cmd.flags |= cpu_to_le16(
1005                                         POWER_FLAGS_SKIP_OVER_DTIM_MSK);
1006                 }
1007         }
1008         iwl_mvm_power_log(mvm, &cmd);
1009 #ifdef CONFIG_IWLWIFI_DEBUGFS
1010         memcpy(&mvmvif->mac_pwr_cmd, &cmd, sizeof(cmd));
1011 #endif
1012         ret = iwl_mvm_send_cmd_pdu(mvm, MAC_PM_POWER_TABLE, flags,
1013                                    sizeof(cmd), &cmd);
1014         if (ret)
1015                 return ret;
1016
1017         /* configure beacon filtering */
1018         if (mvmvif != mvm->bf_allowed_vif)
1019                 return 0;
1020
1021         if (enable) {
1022                 struct iwl_beacon_filter_cmd cmd_bf = {
1023                         IWL_BF_CMD_CONFIG_D0I3,
1024                         .bf_enable_beacon_filter = cpu_to_le32(1),
1025                 };
1026                 ret = _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd_bf,
1027                                                     flags, true);
1028         } else {
1029                 if (mvmvif->bf_data.bf_enabled)
1030                         ret = iwl_mvm_enable_beacon_filter(mvm, vif, flags);
1031                 else
1032                         ret = iwl_mvm_disable_beacon_filter(mvm, vif, flags);
1033         }
1034
1035         return ret;
1036 }