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

   1 /******************************************************************************
   2  *
   3  * This file is provided under a dual BSD/GPLv2 license.  When using or
   4  * redistributing this file, you may do so under either license.
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   6  * GPL LICENSE SUMMARY
   7  *
   8  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
   9  * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  10  * Copyright(c) 2015        Intel Deutschland GmbH
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of version 2 of the GNU General Public License as
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  35  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
  36  * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  37  * Copyright(c) 2015        Intel Deutschland GmbH
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  52  *    from this software without specific prior written permission.
  53  *
  54  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  55  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  56  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  57  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  58  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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  64  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  65  *
  66  *****************************************************************************/
  67
  68 #include <linux/kernel.h>
  69 #include <linux/module.h>
  70 #include <linux/slab.h>
  71 #include <linux/etherdevice.h>
  72
  73 #include <net/mac80211.h>
  74
  75 #include "iwl-debug.h"
  76 #include "mvm.h"
  77 #include "iwl-modparams.h"
  78 #include "fw-api-power.h"
  79
  80 #define POWER_KEEP_ALIVE_PERIOD_SEC    25
  81
  82 static
  83 int iwl_mvm_beacon_filter_send_cmd(struct iwl_mvm *mvm,
  84                                    struct iwl_beacon_filter_cmd *cmd,
  85                                    u32 flags)
  86 {
  87         IWL_DEBUG_POWER(mvm, "ba_enable_beacon_abort is: %d\n",
  88                         le32_to_cpu(cmd->ba_enable_beacon_abort));
  89         IWL_DEBUG_POWER(mvm, "ba_escape_timer is: %d\n",
  90                         le32_to_cpu(cmd->ba_escape_timer));
  91         IWL_DEBUG_POWER(mvm, "bf_debug_flag is: %d\n",
  92                         le32_to_cpu(cmd->bf_debug_flag));
  93         IWL_DEBUG_POWER(mvm, "bf_enable_beacon_filter is: %d\n",
  94                         le32_to_cpu(cmd->bf_enable_beacon_filter));
  95         IWL_DEBUG_POWER(mvm, "bf_energy_delta is: %d\n",
  96                         le32_to_cpu(cmd->bf_energy_delta));
  97         IWL_DEBUG_POWER(mvm, "bf_escape_timer is: %d\n",
  98                         le32_to_cpu(cmd->bf_escape_timer));
  99         IWL_DEBUG_POWER(mvm, "bf_roaming_energy_delta is: %d\n",
 100                         le32_to_cpu(cmd->bf_roaming_energy_delta));
 101         IWL_DEBUG_POWER(mvm, "bf_roaming_state is: %d\n",
 102                         le32_to_cpu(cmd->bf_roaming_state));
 103         IWL_DEBUG_POWER(mvm, "bf_temp_threshold is: %d\n",
 104                         le32_to_cpu(cmd->bf_temp_threshold));
 105         IWL_DEBUG_POWER(mvm, "bf_temp_fast_filter is: %d\n",
 106                         le32_to_cpu(cmd->bf_temp_fast_filter));
 107         IWL_DEBUG_POWER(mvm, "bf_temp_slow_filter is: %d\n",
 108                         le32_to_cpu(cmd->bf_temp_slow_filter));
 109
 110         return iwl_mvm_send_cmd_pdu(mvm, REPLY_BEACON_FILTERING_CMD, flags,
 111                                     sizeof(struct iwl_beacon_filter_cmd), cmd);
 112 }
 113
 114 static
 115 void iwl_mvm_beacon_filter_set_cqm_params(struct iwl_mvm *mvm,
 116                                           struct ieee80211_vif *vif,
 117                                           struct iwl_beacon_filter_cmd *cmd,
 118                                           bool d0i3)
 119 {
 120         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 121
 122         if (vif->bss_conf.cqm_rssi_thold && !d0i3) {
 123                 cmd->bf_energy_delta =
 124                         cpu_to_le32(vif->bss_conf.cqm_rssi_hyst);
 125                 /* fw uses an absolute value for this */
 126                 cmd->bf_roaming_state =
 127                         cpu_to_le32(-vif->bss_conf.cqm_rssi_thold);
 128         }
 129         cmd->ba_enable_beacon_abort = cpu_to_le32(mvmvif->bf_data.ba_enabled);
 130 }
 131
 132 static void iwl_mvm_power_log(struct iwl_mvm *mvm,
 133                               struct iwl_mac_power_cmd *cmd)
 134 {
 135         IWL_DEBUG_POWER(mvm,
 136                         "Sending power table command on mac id 0x%X for power level %d, flags = 0x%X\n",
 137                         cmd->id_and_color, iwlmvm_mod_params.power_scheme,
 138                         le16_to_cpu(cmd->flags));
 139         IWL_DEBUG_POWER(mvm, "Keep alive = %u sec\n",
 140                         le16_to_cpu(cmd->keep_alive_seconds));
 141
 142         if (!(cmd->flags & cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK))) {
 143                 IWL_DEBUG_POWER(mvm, "Disable power management\n");
 144                 return;
 145         }
 146
 147         IWL_DEBUG_POWER(mvm, "Rx timeout = %u usec\n",
 148                         le32_to_cpu(cmd->rx_data_timeout));
 149         IWL_DEBUG_POWER(mvm, "Tx timeout = %u usec\n",
 150                         le32_to_cpu(cmd->tx_data_timeout));
 151         if (cmd->flags & cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK))
 152                 IWL_DEBUG_POWER(mvm, "DTIM periods to skip = %u\n",
 153                                 cmd->skip_dtim_periods);
 154         if (cmd->flags & cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK))
 155                 IWL_DEBUG_POWER(mvm, "LP RX RSSI threshold = %u\n",
 156                                 cmd->lprx_rssi_threshold);
 157         if (cmd->flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK)) {
 158                 IWL_DEBUG_POWER(mvm, "uAPSD enabled\n");
 159                 IWL_DEBUG_POWER(mvm, "Rx timeout (uAPSD) = %u usec\n",
 160                                 le32_to_cpu(cmd->rx_data_timeout_uapsd));
 161                 IWL_DEBUG_POWER(mvm, "Tx timeout (uAPSD) = %u usec\n",
 162                                 le32_to_cpu(cmd->tx_data_timeout_uapsd));
 163                 IWL_DEBUG_POWER(mvm, "QNDP TID = %d\n", cmd->qndp_tid);
 164                 IWL_DEBUG_POWER(mvm, "ACs flags = 0x%x\n", cmd->uapsd_ac_flags);
 165                 IWL_DEBUG_POWER(mvm, "Max SP = %d\n", cmd->uapsd_max_sp);
 166         }
 167 }
 168
 169 static void iwl_mvm_power_configure_uapsd(struct iwl_mvm *mvm,
 170                                           struct ieee80211_vif *vif,
 171                                           struct iwl_mac_power_cmd *cmd)
 172 {
 173         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 174         enum ieee80211_ac_numbers ac;
 175         bool tid_found = false;
 176
 177         for (ac = IEEE80211_AC_VO; ac <= IEEE80211_AC_BK; ac++) {
 178                 if (!mvmvif->queue_params[ac].uapsd)
 179                         continue;
 180
 181                 if (mvm->cur_ucode != IWL_UCODE_WOWLAN)
 182                         cmd->flags |=
 183                                 cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK);
 184
 185                 cmd->uapsd_ac_flags |= BIT(ac);
 186
 187                 /* QNDP TID - the highest TID with no admission control */
 188                 if (!tid_found && !mvmvif->queue_params[ac].acm) {
 189                         tid_found = true;
 190                         switch (ac) {
 191                         case IEEE80211_AC_VO:
 192                                 cmd->qndp_tid = 6;
 193                                 break;
 194                         case IEEE80211_AC_VI:
 195                                 cmd->qndp_tid = 5;
 196                                 break;
 197                         case IEEE80211_AC_BE:
 198                                 cmd->qndp_tid = 0;
 199                                 break;
 200                         case IEEE80211_AC_BK:
 201                                 cmd->qndp_tid = 1;
 202                                 break;
 203                         }
 204                 }
 205         }
 206
 207         if (!(cmd->flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK))) {
 208 #ifdef CONFIG_IWLWIFI_DEBUGFS
 209                 /* set advanced pm flag with no uapsd ACs to enable ps-poll */
 210                 if (mvmvif->dbgfs_pm.use_ps_poll)
 211                         cmd->flags |=
 212                                 cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK);
 213 #endif
 214                 return;
 215         }
 216
 217         cmd->flags |= cpu_to_le16(POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK);
 218
 219         if (cmd->uapsd_ac_flags == (BIT(IEEE80211_AC_VO) |
 220                                     BIT(IEEE80211_AC_VI) |
 221                                     BIT(IEEE80211_AC_BE) |
 222                                     BIT(IEEE80211_AC_BK))) {
 223                 cmd->flags |= cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK);
 224                 cmd->snooze_interval = cpu_to_le16(IWL_MVM_PS_SNOOZE_INTERVAL);
 225                 cmd->snooze_window = (mvm->cur_ucode == IWL_UCODE_WOWLAN) ?
 226                         cpu_to_le16(IWL_MVM_WOWLAN_PS_SNOOZE_WINDOW) :
 227                         cpu_to_le16(IWL_MVM_PS_SNOOZE_WINDOW);
 228         }
 229
 230         cmd->uapsd_max_sp = IWL_UAPSD_MAX_SP;
 231
 232         if (mvm->cur_ucode == IWL_UCODE_WOWLAN || cmd->flags &
 233             cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)) {
 234                 cmd->rx_data_timeout_uapsd =
 235                         cpu_to_le32(IWL_MVM_WOWLAN_PS_RX_DATA_TIMEOUT);
 236                 cmd->tx_data_timeout_uapsd =
 237                         cpu_to_le32(IWL_MVM_WOWLAN_PS_TX_DATA_TIMEOUT);
 238         } else {
 239                 cmd->rx_data_timeout_uapsd =
 240                         cpu_to_le32(IWL_MVM_UAPSD_RX_DATA_TIMEOUT);
 241                 cmd->tx_data_timeout_uapsd =
 242                         cpu_to_le32(IWL_MVM_UAPSD_TX_DATA_TIMEOUT);
 243         }
 244
 245         if (cmd->flags & cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)) {
 246                 cmd->heavy_tx_thld_packets =
 247                         IWL_MVM_PS_SNOOZE_HEAVY_TX_THLD_PACKETS;
 248                 cmd->heavy_rx_thld_packets =
 249                         IWL_MVM_PS_SNOOZE_HEAVY_RX_THLD_PACKETS;
 250         } else {
 251                 cmd->heavy_tx_thld_packets =
 252                         IWL_MVM_PS_HEAVY_TX_THLD_PACKETS;
 253                 cmd->heavy_rx_thld_packets =
 254                         IWL_MVM_PS_HEAVY_RX_THLD_PACKETS;
 255         }
 256         cmd->heavy_tx_thld_percentage =
 257                 IWL_MVM_PS_HEAVY_TX_THLD_PERCENT;
 258         cmd->heavy_rx_thld_percentage =
 259                 IWL_MVM_PS_HEAVY_RX_THLD_PERCENT;
 260 }
 261
 262 static bool iwl_mvm_power_allow_uapsd(struct iwl_mvm *mvm,
 263                                        struct ieee80211_vif *vif)
 264 {
 265         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 266
 267         if (!memcmp(mvmvif->uapsd_misbehaving_bssid, vif->bss_conf.bssid,
 268                     ETH_ALEN))
 269                 return false;
 270
 271         if (vif->p2p &&
 272             !(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_P2P_PS_UAPSD))
 273                 return false;
 274         /*
 275          * Avoid using uAPSD if P2P client is associated to GO that uses
 276          * opportunistic power save. This is due to current FW limitation.
 277          */
 278         if (vif->p2p &&
 279             (vif->bss_conf.p2p_noa_attr.oppps_ctwindow &
 280             IEEE80211_P2P_OPPPS_ENABLE_BIT))
 281                 return false;
 282
 283         /*
 284          * Avoid using uAPSD if client is in DCM -
 285          * low latency issue in Miracast
 286          */
 287         if (iwl_mvm_phy_ctx_count(mvm) >= 2)
 288                 return false;
 289
 290         return true;
 291 }
 292
 293 static bool iwl_mvm_power_is_radar(struct ieee80211_vif *vif)
 294 {
 295         struct ieee80211_chanctx_conf *chanctx_conf;
 296         struct ieee80211_channel *chan;
 297         bool radar_detect = false;
 298
 299         rcu_read_lock();
 300         chanctx_conf = rcu_dereference(vif->chanctx_conf);
 301         WARN_ON(!chanctx_conf);
 302         if (chanctx_conf) {
 303                 chan = chanctx_conf->def.chan;
 304                 radar_detect = chan->flags & IEEE80211_CHAN_RADAR;
 305         }
 306         rcu_read_unlock();
 307
 308         return radar_detect;
 309 }
 310
 311 static void iwl_mvm_power_config_skip_dtim(struct iwl_mvm *mvm,
 312                                            struct ieee80211_vif *vif,
 313                                            struct iwl_mac_power_cmd *cmd,
 314                                            bool host_awake)
 315 {
 316         int dtimper = vif->bss_conf.dtim_period ?: 1;
 317         int skip;
 318
 319         /* disable, in case we're supposed to override */
 320         cmd->skip_dtim_periods = 0;
 321         cmd->flags &= ~cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK);
 322
 323         if (iwl_mvm_power_is_radar(vif))
 324                 return;
 325
 326         if (dtimper >= 10)
 327                 return;
 328
 329         /* TODO: check that multicast wake lock is off */
 330
 331         if (host_awake) {
 332                 if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_LP)
 333                         return;
 334                 skip = 2;
 335         } else {
 336                 int dtimper_tu = dtimper * vif->bss_conf.beacon_int;
 337
 338                 if (WARN_ON(!dtimper_tu))
 339                         return;
 340                 /* configure skip over dtim up to 306TU - 314 msec */
 341                 skip = max_t(u8, 1, 306 / dtimper_tu);
 342         }
 343
 344         /* the firmware really expects "look at every X DTIMs", so add 1 */
 345         cmd->skip_dtim_periods = 1 + skip;
 346         cmd->flags |= cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK);
 347 }
 348
 349 static void iwl_mvm_power_build_cmd(struct iwl_mvm *mvm,
 350                                     struct ieee80211_vif *vif,
 351                                     struct iwl_mac_power_cmd *cmd,
 352                                     bool host_awake)
 353 {
 354         int dtimper, bi;
 355         int keep_alive;
 356         struct iwl_mvm_vif *mvmvif __maybe_unused =
 357                 iwl_mvm_vif_from_mac80211(vif);
 358
 359         cmd->id_and_color = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id,
 360                                                             mvmvif->color));
 361         dtimper = vif->bss_conf.dtim_period;
 362         bi = vif->bss_conf.beacon_int;
 363
 364         /*
 365          * Regardless of power management state the driver must set
 366          * keep alive period. FW will use it for sending keep alive NDPs
 367          * immediately after association. Check that keep alive period
 368          * is at least 3 * DTIM
 369          */
 370         keep_alive = DIV_ROUND_UP(ieee80211_tu_to_usec(3 * dtimper * bi),
 371                                   USEC_PER_SEC);
 372         keep_alive = max(keep_alive, POWER_KEEP_ALIVE_PERIOD_SEC);
 373         cmd->keep_alive_seconds = cpu_to_le16(keep_alive);
 374
 375         if (mvm->ps_disabled)
 376                 return;
 377
 378         cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_SAVE_ENA_MSK);
 379
 380         if (!vif->bss_conf.ps || !mvmvif->pm_enabled)
 381                 return;
 382
 383         if (iwl_mvm_vif_low_latency(mvmvif) && vif->p2p &&
 384             (!fw_has_capa(&mvm->fw->ucode_capa,
 385                          IWL_UCODE_TLV_CAPA_SHORT_PM_TIMEOUTS) ||
 386              !IWL_MVM_P2P_LOWLATENCY_PS_ENABLE))
 387                 return;
 388
 389         cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK);
 390
 391         if (vif->bss_conf.beacon_rate &&
 392             (vif->bss_conf.beacon_rate->bitrate == 10 ||
 393              vif->bss_conf.beacon_rate->bitrate == 60)) {
 394                 cmd->flags |= cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK);
 395                 cmd->lprx_rssi_threshold = POWER_LPRX_RSSI_THRESHOLD;
 396         }
 397
 398         iwl_mvm_power_config_skip_dtim(mvm, vif, cmd, host_awake);
 399
 400         if (!host_awake) {
 401                 cmd->rx_data_timeout =
 402                         cpu_to_le32(IWL_MVM_WOWLAN_PS_RX_DATA_TIMEOUT);
 403                 cmd->tx_data_timeout =
 404                         cpu_to_le32(IWL_MVM_WOWLAN_PS_TX_DATA_TIMEOUT);
 405         } else if (iwl_mvm_vif_low_latency(mvmvif) && vif->p2p &&
 406                    fw_has_capa(&mvm->fw->ucode_capa,
 407                                IWL_UCODE_TLV_CAPA_SHORT_PM_TIMEOUTS)) {
 408                 cmd->tx_data_timeout =
 409                         cpu_to_le32(IWL_MVM_SHORT_PS_TX_DATA_TIMEOUT);
 410                 cmd->rx_data_timeout =
 411                         cpu_to_le32(IWL_MVM_SHORT_PS_RX_DATA_TIMEOUT);
 412         } else {
 413                 cmd->rx_data_timeout =
 414                         cpu_to_le32(IWL_MVM_DEFAULT_PS_RX_DATA_TIMEOUT);
 415                 cmd->tx_data_timeout =
 416                         cpu_to_le32(IWL_MVM_DEFAULT_PS_TX_DATA_TIMEOUT);
 417         }
 418
 419         if (iwl_mvm_power_allow_uapsd(mvm, vif))
 420                 iwl_mvm_power_configure_uapsd(mvm, vif, cmd);
 421
 422 #ifdef CONFIG_IWLWIFI_DEBUGFS
 423         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_KEEP_ALIVE)
 424                 cmd->keep_alive_seconds =
 425                         cpu_to_le16(mvmvif->dbgfs_pm.keep_alive_seconds);
 426         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SKIP_OVER_DTIM) {
 427                 if (mvmvif->dbgfs_pm.skip_over_dtim)
 428                         cmd->flags |=
 429                                 cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK);
 430                 else
 431                         cmd->flags &=
 432                                 cpu_to_le16(~POWER_FLAGS_SKIP_OVER_DTIM_MSK);
 433         }
 434         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_RX_DATA_TIMEOUT)
 435                 cmd->rx_data_timeout =
 436                         cpu_to_le32(mvmvif->dbgfs_pm.rx_data_timeout);
 437         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_TX_DATA_TIMEOUT)
 438                 cmd->tx_data_timeout =
 439                         cpu_to_le32(mvmvif->dbgfs_pm.tx_data_timeout);
 440         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS)
 441                 cmd->skip_dtim_periods = mvmvif->dbgfs_pm.skip_dtim_periods;
 442         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_LPRX_ENA) {
 443                 if (mvmvif->dbgfs_pm.lprx_ena)
 444                         cmd->flags |= cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK);
 445                 else
 446                         cmd->flags &= cpu_to_le16(~POWER_FLAGS_LPRX_ENA_MSK);
 447         }
 448         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD)
 449                 cmd->lprx_rssi_threshold = mvmvif->dbgfs_pm.lprx_rssi_threshold;
 450         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SNOOZE_ENABLE) {
 451                 if (mvmvif->dbgfs_pm.snooze_ena)
 452                         cmd->flags |=
 453                                 cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK);
 454                 else
 455                         cmd->flags &=
 456                                 cpu_to_le16(~POWER_FLAGS_SNOOZE_ENA_MSK);
 457         }
 458         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_UAPSD_MISBEHAVING) {
 459                 u16 flag = POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK;
 460                 if (mvmvif->dbgfs_pm.uapsd_misbehaving)
 461                         cmd->flags |= cpu_to_le16(flag);
 462                 else
 463                         cmd->flags &= cpu_to_le16(flag);
 464         }
 465 #endif /* CONFIG_IWLWIFI_DEBUGFS */
 466 }
 467
 468 static int iwl_mvm_power_send_cmd(struct iwl_mvm *mvm,
 469                                          struct ieee80211_vif *vif)
 470 {
 471         struct iwl_mac_power_cmd cmd = {};
 472
 473         iwl_mvm_power_build_cmd(mvm, vif, &cmd,
 474                                 mvm->cur_ucode != IWL_UCODE_WOWLAN);
 475         iwl_mvm_power_log(mvm, &cmd);
 476 #ifdef CONFIG_IWLWIFI_DEBUGFS
 477         memcpy(&iwl_mvm_vif_from_mac80211(vif)->mac_pwr_cmd, &cmd, sizeof(cmd));
 478 #endif
 479
 480         return iwl_mvm_send_cmd_pdu(mvm, MAC_PM_POWER_TABLE, 0,
 481                                     sizeof(cmd), &cmd);
 482 }
 483
 484 int iwl_mvm_power_update_device(struct iwl_mvm *mvm)
 485 {
 486         struct iwl_device_power_cmd cmd = {
 487                 .flags = 0,
 488         };
 489
 490         if (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM)
 491                 mvm->ps_disabled = true;
 492
 493         if (!mvm->ps_disabled)
 494                 cmd.flags |= cpu_to_le16(DEVICE_POWER_FLAGS_POWER_SAVE_ENA_MSK);
 495
 496 #ifdef CONFIG_IWLWIFI_DEBUGFS
 497         if ((mvm->cur_ucode == IWL_UCODE_WOWLAN) ? mvm->disable_power_off_d3 :
 498             mvm->disable_power_off)
 499                 cmd.flags &=
 500                         cpu_to_le16(~DEVICE_POWER_FLAGS_POWER_SAVE_ENA_MSK);
 501 #endif
 502         IWL_DEBUG_POWER(mvm,
 503                         "Sending device power command with flags = 0x%X\n",
 504                         cmd.flags);
 505
 506         return iwl_mvm_send_cmd_pdu(mvm, POWER_TABLE_CMD, 0, sizeof(cmd),
 507                                     &cmd);
 508 }
 509
 510 void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
 511 {
 512         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 513
 514         if (memcmp(vif->bss_conf.bssid, mvmvif->uapsd_misbehaving_bssid,
 515                    ETH_ALEN))
 516                 eth_zero_addr(mvmvif->uapsd_misbehaving_bssid);
 517 }
 518
 519 static void iwl_mvm_power_uapsd_misbehav_ap_iterator(void *_data, u8 *mac,
 520                                                      struct ieee80211_vif *vif)
 521 {
 522         u8 *ap_sta_id = _data;
 523         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 524
 525         /* The ap_sta_id is not expected to change during current association
 526          * so no explicit protection is needed
 527          */
 528         if (mvmvif->ap_sta_id == *ap_sta_id)
 529                 memcpy(mvmvif->uapsd_misbehaving_bssid, vif->bss_conf.bssid,
 530                        ETH_ALEN);
 531 }
 532
 533 void iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm,
 534                                               struct iwl_rx_cmd_buffer *rxb)
 535 {
 536         struct iwl_rx_packet *pkt = rxb_addr(rxb);
 537         struct iwl_uapsd_misbehaving_ap_notif *notif = (void *)pkt->data;
 538         u8 ap_sta_id = le32_to_cpu(notif->sta_id);
 539
 540         ieee80211_iterate_active_interfaces_atomic(
 541                 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
 542                 iwl_mvm_power_uapsd_misbehav_ap_iterator, &ap_sta_id);
 543 }
 544
 545 struct iwl_power_vifs {
 546         struct iwl_mvm *mvm;
 547         struct ieee80211_vif *bf_vif;
 548         struct ieee80211_vif *bss_vif;
 549         struct ieee80211_vif *p2p_vif;
 550         struct ieee80211_vif *ap_vif;
 551         struct ieee80211_vif *monitor_vif;
 552         bool p2p_active;
 553         bool bss_active;
 554         bool ap_active;
 555         bool monitor_active;
 556 };
 557
 558 static void iwl_mvm_power_disable_pm_iterator(void *_data, u8* mac,
 559                                               struct ieee80211_vif *vif)
 560 {
 561         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 562
 563         mvmvif->pm_enabled = false;
 564 }
 565
 566 static void iwl_mvm_power_ps_disabled_iterator(void *_data, u8* mac,
 567                                                struct ieee80211_vif *vif)
 568 {
 569         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 570         bool *disable_ps = _data;
 571
 572         if (mvmvif->phy_ctxt)
 573                 if (mvmvif->phy_ctxt->id < MAX_PHYS)
 574                         *disable_ps |= mvmvif->ps_disabled;
 575 }
 576
 577 static void iwl_mvm_power_get_vifs_iterator(void *_data, u8 *mac,
 578                                             struct ieee80211_vif *vif)
 579 {
 580         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 581         struct iwl_power_vifs *power_iterator = _data;
 582
 583         switch (ieee80211_vif_type_p2p(vif)) {
 584         case NL80211_IFTYPE_P2P_DEVICE:
 585                 break;
 586
 587         case NL80211_IFTYPE_P2P_GO:
 588         case NL80211_IFTYPE_AP:
 589                 /* only a single MAC of the same type */
 590                 WARN_ON(power_iterator->ap_vif);
 591                 power_iterator->ap_vif = vif;
 592                 if (mvmvif->phy_ctxt)
 593                         if (mvmvif->phy_ctxt->id < MAX_PHYS)
 594                                 power_iterator->ap_active = true;
 595                 break;
 596
 597         case NL80211_IFTYPE_MONITOR:
 598                 /* only a single MAC of the same type */
 599                 WARN_ON(power_iterator->monitor_vif);
 600                 power_iterator->monitor_vif = vif;
 601                 if (mvmvif->phy_ctxt)
 602                         if (mvmvif->phy_ctxt->id < MAX_PHYS)
 603                                 power_iterator->monitor_active = true;
 604                 break;
 605
 606         case NL80211_IFTYPE_P2P_CLIENT:
 607                 /* only a single MAC of the same type */
 608                 WARN_ON(power_iterator->p2p_vif);
 609                 power_iterator->p2p_vif = vif;
 610                 if (mvmvif->phy_ctxt)
 611                         if (mvmvif->phy_ctxt->id < MAX_PHYS)
 612                                 power_iterator->p2p_active = true;
 613                 break;
 614
 615         case NL80211_IFTYPE_STATION:
 616                 /* only a single MAC of the same type */
 617                 WARN_ON(power_iterator->bss_vif);
 618                 power_iterator->bss_vif = vif;
 619                 if (mvmvif->phy_ctxt)
 620                         if (mvmvif->phy_ctxt->id < MAX_PHYS)
 621                                 power_iterator->bss_active = true;
 622
 623                 if (mvmvif->bf_data.bf_enabled &&
 624                     !WARN_ON(power_iterator->bf_vif))
 625                         power_iterator->bf_vif = vif;
 626
 627                 break;
 628
 629         default:
 630                 break;
 631         }
 632 }
 633
 634 static void iwl_mvm_power_set_pm(struct iwl_mvm *mvm,
 635                                  struct iwl_power_vifs *vifs)
 636 {
 637         struct iwl_mvm_vif *bss_mvmvif = NULL;
 638         struct iwl_mvm_vif *p2p_mvmvif = NULL;
 639         struct iwl_mvm_vif *ap_mvmvif = NULL;
 640         bool client_same_channel = false;
 641         bool ap_same_channel = false;
 642
 643         lockdep_assert_held(&mvm->mutex);
 644
 645         /* set pm_enable to false */
 646         ieee80211_iterate_active_interfaces_atomic(mvm->hw,
 647                                         IEEE80211_IFACE_ITER_NORMAL,
 648                                         iwl_mvm_power_disable_pm_iterator,
 649                                         NULL);
 650
 651         if (vifs->bss_vif)
 652                 bss_mvmvif = iwl_mvm_vif_from_mac80211(vifs->bss_vif);
 653
 654         if (vifs->p2p_vif)
 655                 p2p_mvmvif = iwl_mvm_vif_from_mac80211(vifs->p2p_vif);
 656
 657         if (vifs->ap_vif)
 658                 ap_mvmvif = iwl_mvm_vif_from_mac80211(vifs->ap_vif);
 659
 660         /* don't allow PM if any TDLS stations exist */
 661         if (iwl_mvm_tdls_sta_count(mvm, NULL))
 662                 return;
 663
 664         /* enable PM on bss if bss stand alone */
 665         if (vifs->bss_active && !vifs->p2p_active && !vifs->ap_active) {
 666                 bss_mvmvif->pm_enabled = true;
 667                 return;
 668         }
 669
 670         /* enable PM on p2p if p2p stand alone */
 671         if (vifs->p2p_active && !vifs->bss_active && !vifs->ap_active) {
 672                 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_P2P_PM)
 673                         p2p_mvmvif->pm_enabled = true;
 674                 return;
 675         }
 676
 677         if (vifs->bss_active && vifs->p2p_active)
 678                 client_same_channel = (bss_mvmvif->phy_ctxt->id ==
 679                                        p2p_mvmvif->phy_ctxt->id);
 680         if (vifs->bss_active && vifs->ap_active)
 681                 ap_same_channel = (bss_mvmvif->phy_ctxt->id ==
 682                                    ap_mvmvif->phy_ctxt->id);
 683
 684         /* clients are not stand alone: enable PM if DCM */
 685         if (!(client_same_channel || ap_same_channel) &&
 686             (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BSS_P2P_PS_DCM)) {
 687                 if (vifs->bss_active)
 688                         bss_mvmvif->pm_enabled = true;
 689                 if (vifs->p2p_active &&
 690                     (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_P2P_PM))
 691                         p2p_mvmvif->pm_enabled = true;
 692                 return;
 693         }
 694
 695         /*
 696          * There is only one channel in the system and there are only
 697          * bss and p2p clients that share it
 698          */
 699         if (client_same_channel && !vifs->ap_active &&
 700             (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BSS_P2P_PS_SCM)) {
 701                 /* share same channel*/
 702                 bss_mvmvif->pm_enabled = true;
 703                 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_P2P_PM)
 704                         p2p_mvmvif->pm_enabled = true;
 705         }
 706 }
 707
 708 #ifdef CONFIG_IWLWIFI_DEBUGFS
 709 int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm,
 710                                  struct ieee80211_vif *vif, char *buf,
 711                                  int bufsz)
 712 {
 713         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 714         struct iwl_mac_power_cmd cmd = {};
 715         int pos = 0;
 716
 717         mutex_lock(&mvm->mutex);
 718         memcpy(&cmd, &mvmvif->mac_pwr_cmd, sizeof(cmd));
 719         mutex_unlock(&mvm->mutex);
 720
 721         pos += scnprintf(buf+pos, bufsz-pos, "power_scheme = %d\n",
 722                          iwlmvm_mod_params.power_scheme);
 723         pos += scnprintf(buf+pos, bufsz-pos, "flags = 0x%x\n",
 724                          le16_to_cpu(cmd.flags));
 725         pos += scnprintf(buf+pos, bufsz-pos, "keep_alive = %d\n",
 726                          le16_to_cpu(cmd.keep_alive_seconds));
 727
 728         if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK)))
 729                 return pos;
 730
 731         pos += scnprintf(buf+pos, bufsz-pos, "skip_over_dtim = %d\n",
 732                          (cmd.flags &
 733                          cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK)) ? 1 : 0);
 734         pos += scnprintf(buf+pos, bufsz-pos, "skip_dtim_periods = %d\n",
 735                          cmd.skip_dtim_periods);
 736         if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK))) {
 737                 pos += scnprintf(buf+pos, bufsz-pos, "rx_data_timeout = %d\n",
 738                                  le32_to_cpu(cmd.rx_data_timeout));
 739                 pos += scnprintf(buf+pos, bufsz-pos, "tx_data_timeout = %d\n",
 740                                  le32_to_cpu(cmd.tx_data_timeout));
 741         }
 742         if (cmd.flags & cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK))
 743                 pos += scnprintf(buf+pos, bufsz-pos,
 744                                  "lprx_rssi_threshold = %d\n",
 745                                  cmd.lprx_rssi_threshold);
 746
 747         if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK)))
 748                 return pos;
 749
 750         pos += scnprintf(buf+pos, bufsz-pos, "rx_data_timeout_uapsd = %d\n",
 751                          le32_to_cpu(cmd.rx_data_timeout_uapsd));
 752         pos += scnprintf(buf+pos, bufsz-pos, "tx_data_timeout_uapsd = %d\n",
 753                          le32_to_cpu(cmd.tx_data_timeout_uapsd));
 754         pos += scnprintf(buf+pos, bufsz-pos, "qndp_tid = %d\n", cmd.qndp_tid);
 755         pos += scnprintf(buf+pos, bufsz-pos, "uapsd_ac_flags = 0x%x\n",
 756                          cmd.uapsd_ac_flags);
 757         pos += scnprintf(buf+pos, bufsz-pos, "uapsd_max_sp = %d\n",
 758                          cmd.uapsd_max_sp);
 759         pos += scnprintf(buf+pos, bufsz-pos, "heavy_tx_thld_packets = %d\n",
 760                          cmd.heavy_tx_thld_packets);
 761         pos += scnprintf(buf+pos, bufsz-pos, "heavy_rx_thld_packets = %d\n",
 762                          cmd.heavy_rx_thld_packets);
 763         pos += scnprintf(buf+pos, bufsz-pos, "heavy_tx_thld_percentage = %d\n",
 764                          cmd.heavy_tx_thld_percentage);
 765         pos += scnprintf(buf+pos, bufsz-pos, "heavy_rx_thld_percentage = %d\n",
 766                          cmd.heavy_rx_thld_percentage);
 767         pos += scnprintf(buf+pos, bufsz-pos, "uapsd_misbehaving_enable = %d\n",
 768                          (cmd.flags &
 769                           cpu_to_le16(POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK)) ?
 770                          1 : 0);
 771
 772         if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)))
 773                 return pos;
 774
 775         pos += scnprintf(buf+pos, bufsz-pos, "snooze_interval = %d\n",
 776                          cmd.snooze_interval);
 777         pos += scnprintf(buf+pos, bufsz-pos, "snooze_window = %d\n",
 778                          cmd.snooze_window);
 779
 780         return pos;
 781 }
 782
 783 void
 784 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
 785                                          struct iwl_beacon_filter_cmd *cmd)
 786 {
 787         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 788         struct iwl_dbgfs_bf *dbgfs_bf = &mvmvif->dbgfs_bf;
 789
 790         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ENERGY_DELTA)
 791                 cmd->bf_energy_delta = cpu_to_le32(dbgfs_bf->bf_energy_delta);
 792         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA)
 793                 cmd->bf_roaming_energy_delta =
 794                                 cpu_to_le32(dbgfs_bf->bf_roaming_energy_delta);
 795         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ROAMING_STATE)
 796                 cmd->bf_roaming_state = cpu_to_le32(dbgfs_bf->bf_roaming_state);
 797         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_THRESHOLD)
 798                 cmd->bf_temp_threshold =
 799                                 cpu_to_le32(dbgfs_bf->bf_temp_threshold);
 800         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_FAST_FILTER)
 801                 cmd->bf_temp_fast_filter =
 802                                 cpu_to_le32(dbgfs_bf->bf_temp_fast_filter);
 803         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_SLOW_FILTER)
 804                 cmd->bf_temp_slow_filter =
 805                                 cpu_to_le32(dbgfs_bf->bf_temp_slow_filter);
 806         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_DEBUG_FLAG)
 807                 cmd->bf_debug_flag = cpu_to_le32(dbgfs_bf->bf_debug_flag);
 808         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ESCAPE_TIMER)
 809                 cmd->bf_escape_timer = cpu_to_le32(dbgfs_bf->bf_escape_timer);
 810         if (dbgfs_bf->mask & MVM_DEBUGFS_BA_ESCAPE_TIMER)
 811                 cmd->ba_escape_timer = cpu_to_le32(dbgfs_bf->ba_escape_timer);
 812         if (dbgfs_bf->mask & MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT)
 813                 cmd->ba_enable_beacon_abort =
 814                                 cpu_to_le32(dbgfs_bf->ba_enable_beacon_abort);
 815 }
 816 #endif
 817
 818 static int _iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
 819                                          struct ieee80211_vif *vif,
 820                                          struct iwl_beacon_filter_cmd *cmd,
 821                                          u32 cmd_flags,
 822                                          bool d0i3)
 823 {
 824         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 825         int ret;
 826
 827         if (mvmvif != mvm->bf_allowed_vif || !vif->bss_conf.dtim_period ||
 828             vif->type != NL80211_IFTYPE_STATION || vif->p2p)
 829                 return 0;
 830
 831         iwl_mvm_beacon_filter_set_cqm_params(mvm, vif, cmd, d0i3);
 832         if (!d0i3)
 833                 iwl_mvm_beacon_filter_debugfs_parameters(vif, cmd);
 834         ret = iwl_mvm_beacon_filter_send_cmd(mvm, cmd, cmd_flags);
 835
 836         /* don't change bf_enabled in case of temporary d0i3 configuration */
 837         if (!ret && !d0i3)
 838                 mvmvif->bf_data.bf_enabled = true;
 839
 840         return ret;
 841 }
 842
 843 int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
 844                                  struct ieee80211_vif *vif,
 845                                  u32 flags)
 846 {
 847         struct iwl_beacon_filter_cmd cmd = {
 848                 IWL_BF_CMD_CONFIG_DEFAULTS,
 849                 .bf_enable_beacon_filter = cpu_to_le32(1),
 850         };
 851
 852         return _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd, flags, false);
 853 }
 854
 855 static int iwl_mvm_update_beacon_abort(struct iwl_mvm *mvm,
 856                                        struct ieee80211_vif *vif,
 857                                        bool enable)
 858 {
 859         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 860         struct iwl_beacon_filter_cmd cmd = {
 861                 IWL_BF_CMD_CONFIG_DEFAULTS,
 862                 .bf_enable_beacon_filter = cpu_to_le32(1),
 863         };
 864
 865         if (!mvmvif->bf_data.bf_enabled)
 866                 return 0;
 867
 868         if (mvm->cur_ucode == IWL_UCODE_WOWLAN)
 869                 cmd.ba_escape_timer = cpu_to_le32(IWL_BA_ESCAPE_TIMER_D3);
 870
 871         mvmvif->bf_data.ba_enabled = enable;
 872         return _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd, 0, false);
 873 }
 874
 875 int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
 876                                   struct ieee80211_vif *vif,
 877                                   u32 flags)
 878 {
 879         struct iwl_beacon_filter_cmd cmd = {};
 880         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 881         int ret;
 882
 883         if (vif->type != NL80211_IFTYPE_STATION || vif->p2p)
 884                 return 0;
 885
 886         ret = iwl_mvm_beacon_filter_send_cmd(mvm, &cmd, flags);
 887
 888         if (!ret)
 889                 mvmvif->bf_data.bf_enabled = false;
 890
 891         return ret;
 892 }
 893
 894 static int iwl_mvm_power_set_ps(struct iwl_mvm *mvm)
 895 {
 896         bool disable_ps;
 897         int ret;
 898
 899         /* disable PS if CAM */
 900         disable_ps = (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM);
 901         /* ...or if any of the vifs require PS to be off */
 902         ieee80211_iterate_active_interfaces_atomic(mvm->hw,
 903                                         IEEE80211_IFACE_ITER_NORMAL,
 904                                         iwl_mvm_power_ps_disabled_iterator,
 905                                         &disable_ps);
 906
 907         /* update device power state if it has changed */
 908         if (mvm->ps_disabled != disable_ps) {
 909                 bool old_ps_disabled = mvm->ps_disabled;
 910
 911                 mvm->ps_disabled = disable_ps;
 912                 ret = iwl_mvm_power_update_device(mvm);
 913                 if (ret) {
 914                         mvm->ps_disabled = old_ps_disabled;
 915                         return ret;
 916                 }
 917         }
 918
 919         return 0;
 920 }
 921
 922 static int iwl_mvm_power_set_ba(struct iwl_mvm *mvm,
 923                                 struct iwl_power_vifs *vifs)
 924 {
 925         struct iwl_mvm_vif *mvmvif;
 926         bool ba_enable;
 927
 928         if (!vifs->bf_vif)
 929                 return 0;
 930
 931         mvmvif = iwl_mvm_vif_from_mac80211(vifs->bf_vif);
 932
 933         ba_enable = !(!mvmvif->pm_enabled || mvm->ps_disabled ||
 934                       !vifs->bf_vif->bss_conf.ps ||
 935                       iwl_mvm_vif_low_latency(mvmvif));
 936
 937         return iwl_mvm_update_beacon_abort(mvm, vifs->bf_vif, ba_enable);
 938 }
 939
 940 int iwl_mvm_power_update_ps(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         ret = iwl_mvm_power_set_ps(mvm);
 955         if (ret)
 956                 return ret;
 957
 958         return iwl_mvm_power_set_ba(mvm, &vifs);
 959 }
 960
 961 int iwl_mvm_power_update_mac(struct iwl_mvm *mvm)
 962 {
 963         struct iwl_power_vifs vifs = {
 964                 .mvm = mvm,
 965         };
 966         int ret;
 967
 968         lockdep_assert_held(&mvm->mutex);
 969
 970         /* get vifs info */
 971         ieee80211_iterate_active_interfaces_atomic(mvm->hw,
 972                                         IEEE80211_IFACE_ITER_NORMAL,
 973                                         iwl_mvm_power_get_vifs_iterator, &vifs);
 974
 975         iwl_mvm_power_set_pm(mvm, &vifs);
 976
 977         ret = iwl_mvm_power_set_ps(mvm);
 978         if (ret)
 979                 return ret;
 980
 981         if (vifs.bss_vif) {
 982                 ret = iwl_mvm_power_send_cmd(mvm, vifs.bss_vif);
 983                 if (ret)
 984                         return ret;
 985         }
 986
 987         if (vifs.p2p_vif) {
 988                 ret = iwl_mvm_power_send_cmd(mvm, vifs.p2p_vif);
 989                 if (ret)
 990                         return ret;
 991         }
 992
 993         return iwl_mvm_power_set_ba(mvm, &vifs);
 994 }
 995
 996 int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm,
 997                                    struct ieee80211_vif *vif,
 998                                    bool enable, u32 flags)
 999 {
1000         int ret;
1001         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1002         struct iwl_mac_power_cmd cmd = {};
1003
1004         if (vif->type != NL80211_IFTYPE_STATION || vif->p2p)
1005                 return 0;
1006
1007         if (!vif->bss_conf.assoc)
1008                 return 0;
1009
1010         iwl_mvm_power_build_cmd(mvm, vif, &cmd, !enable);
1011
1012         iwl_mvm_power_log(mvm, &cmd);
1013 #ifdef CONFIG_IWLWIFI_DEBUGFS
1014         memcpy(&mvmvif->mac_pwr_cmd, &cmd, sizeof(cmd));
1015 #endif
1016         ret = iwl_mvm_send_cmd_pdu(mvm, MAC_PM_POWER_TABLE, flags,
1017                                    sizeof(cmd), &cmd);
1018         if (ret)
1019                 return ret;
1020
1021         /* configure beacon filtering */
1022         if (mvmvif != mvm->bf_allowed_vif)
1023                 return 0;
1024
1025         if (enable) {
1026                 struct iwl_beacon_filter_cmd cmd_bf = {
1027                         IWL_BF_CMD_CONFIG_D0I3,
1028                         .bf_enable_beacon_filter = cpu_to_le32(1),
1029                 };
1030                 ret = _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd_bf,
1031                                                     flags, true);
1032         } else {
1033                 if (mvmvif->bf_data.bf_enabled)
1034                         ret = iwl_mvm_enable_beacon_filter(mvm, vif, flags);
1035                 else
1036                         ret = iwl_mvm_disable_beacon_filter(mvm, vif, flags);
1037         }
1038
1039         return ret;
1040 }