drivers/net/wireless/intel/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 - 2016 Intel Deutschland GmbH
  11  *
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  13  * it under the terms of version 2 of the GNU General Public License as
  14  * published by the Free Software Foundation.
  15  *
  16  * This program is distributed in the hope that it will be useful, but
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  34  *
  35  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
  36  * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  37  * Copyright(c) 2015 - 2016 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 void iwl_mvm_p2p_standalone_iterator(void *_data, u8 *mac,
 263                                             struct ieee80211_vif *vif)
 264 {
 265         bool *is_p2p_standalone = _data;
 266
 267         switch (ieee80211_vif_type_p2p(vif)) {
 268         case NL80211_IFTYPE_P2P_GO:
 269         case NL80211_IFTYPE_AP:
 270                 *is_p2p_standalone = false;
 271                 break;
 272         case NL80211_IFTYPE_STATION:
 273                 if (vif->bss_conf.assoc)
 274                         *is_p2p_standalone = false;
 275                 break;
 276
 277         default:
 278                 break;
 279         }
 280 }
 281
 282 static bool iwl_mvm_power_allow_uapsd(struct iwl_mvm *mvm,
 283                                        struct ieee80211_vif *vif)
 284 {
 285         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 286
 287         if (!memcmp(mvmvif->uapsd_misbehaving_bssid, vif->bss_conf.bssid,
 288                     ETH_ALEN))
 289                 return false;
 290
 291         /*
 292          * Avoid using uAPSD if P2P client is associated to GO that uses
 293          * opportunistic power save. This is due to current FW limitation.
 294          */
 295         if (vif->p2p &&
 296             (vif->bss_conf.p2p_noa_attr.oppps_ctwindow &
 297             IEEE80211_P2P_OPPPS_ENABLE_BIT))
 298                 return false;
 299
 300         /*
 301          * Avoid using uAPSD if client is in DCM -
 302          * low latency issue in Miracast
 303          */
 304         if (iwl_mvm_phy_ctx_count(mvm) >= 2)
 305                 return false;
 306
 307         if (vif->p2p) {
 308                 /* Allow U-APSD only if p2p is stand alone */
 309                 bool is_p2p_standalone = true;
 310
 311                 if (!iwl_mvm_is_p2p_standalone_uapsd_supported(mvm))
 312                         return false;
 313
 314                 ieee80211_iterate_active_interfaces_atomic(mvm->hw,
 315                                         IEEE80211_IFACE_ITER_NORMAL,
 316                                         iwl_mvm_p2p_standalone_iterator,
 317                                         &is_p2p_standalone);
 318
 319                 if (!is_p2p_standalone)
 320                         return false;
 321         }
 322
 323         return true;
 324 }
 325
 326 static bool iwl_mvm_power_is_radar(struct ieee80211_vif *vif)
 327 {
 328         struct ieee80211_chanctx_conf *chanctx_conf;
 329         struct ieee80211_channel *chan;
 330         bool radar_detect = false;
 331
 332         rcu_read_lock();
 333         chanctx_conf = rcu_dereference(vif->chanctx_conf);
 334         WARN_ON(!chanctx_conf);
 335         if (chanctx_conf) {
 336                 chan = chanctx_conf->def.chan;
 337                 radar_detect = chan->flags & IEEE80211_CHAN_RADAR;
 338         }
 339         rcu_read_unlock();
 340
 341         return radar_detect;
 342 }
 343
 344 static void iwl_mvm_power_config_skip_dtim(struct iwl_mvm *mvm,
 345                                            struct ieee80211_vif *vif,
 346                                            struct iwl_mac_power_cmd *cmd,
 347                                            bool host_awake)
 348 {
 349         int dtimper = vif->bss_conf.dtim_period ?: 1;
 350         int skip;
 351
 352         /* disable, in case we're supposed to override */
 353         cmd->skip_dtim_periods = 0;
 354         cmd->flags &= ~cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK);
 355
 356         if (iwl_mvm_power_is_radar(vif))
 357                 return;
 358
 359         if (dtimper >= 10)
 360                 return;
 361
 362         /* TODO: check that multicast wake lock is off */
 363
 364         if (host_awake) {
 365                 if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_LP)
 366                         return;
 367                 skip = 2;
 368         } else {
 369                 int dtimper_tu = dtimper * vif->bss_conf.beacon_int;
 370
 371                 if (WARN_ON(!dtimper_tu))
 372                         return;
 373                 /* configure skip over dtim up to 306TU - 314 msec */
 374                 skip = max_t(u8, 1, 306 / dtimper_tu);
 375         }
 376
 377         /* the firmware really expects "look at every X DTIMs", so add 1 */
 378         cmd->skip_dtim_periods = 1 + skip;
 379         cmd->flags |= cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK);
 380 }
 381
 382 static void iwl_mvm_power_build_cmd(struct iwl_mvm *mvm,
 383                                     struct ieee80211_vif *vif,
 384                                     struct iwl_mac_power_cmd *cmd,
 385                                     bool host_awake)
 386 {
 387         int dtimper, bi;
 388         int keep_alive;
 389         struct iwl_mvm_vif *mvmvif __maybe_unused =
 390                 iwl_mvm_vif_from_mac80211(vif);
 391
 392         cmd->id_and_color = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id,
 393                                                             mvmvif->color));
 394         dtimper = vif->bss_conf.dtim_period;
 395         bi = vif->bss_conf.beacon_int;
 396
 397         /*
 398          * Regardless of power management state the driver must set
 399          * keep alive period. FW will use it for sending keep alive NDPs
 400          * immediately after association. Check that keep alive period
 401          * is at least 3 * DTIM
 402          */
 403         keep_alive = DIV_ROUND_UP(ieee80211_tu_to_usec(3 * dtimper * bi),
 404                                   USEC_PER_SEC);
 405         keep_alive = max(keep_alive, POWER_KEEP_ALIVE_PERIOD_SEC);
 406         cmd->keep_alive_seconds = cpu_to_le16(keep_alive);
 407
 408         if (mvm->ps_disabled)
 409                 return;
 410
 411         cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_SAVE_ENA_MSK);
 412
 413         if (!vif->bss_conf.ps || !mvmvif->pm_enabled)
 414                 return;
 415
 416         if (iwl_mvm_vif_low_latency(mvmvif) && vif->p2p &&
 417             (!fw_has_capa(&mvm->fw->ucode_capa,
 418                          IWL_UCODE_TLV_CAPA_SHORT_PM_TIMEOUTS) ||
 419              !IWL_MVM_P2P_LOWLATENCY_PS_ENABLE))
 420                 return;
 421
 422         cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK);
 423
 424         if (vif->bss_conf.beacon_rate &&
 425             (vif->bss_conf.beacon_rate->bitrate == 10 ||
 426              vif->bss_conf.beacon_rate->bitrate == 60)) {
 427                 cmd->flags |= cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK);
 428                 cmd->lprx_rssi_threshold = POWER_LPRX_RSSI_THRESHOLD;
 429         }
 430
 431         iwl_mvm_power_config_skip_dtim(mvm, vif, cmd, host_awake);
 432
 433         if (!host_awake) {
 434                 cmd->rx_data_timeout =
 435                         cpu_to_le32(IWL_MVM_WOWLAN_PS_RX_DATA_TIMEOUT);
 436                 cmd->tx_data_timeout =
 437                         cpu_to_le32(IWL_MVM_WOWLAN_PS_TX_DATA_TIMEOUT);
 438         } else if (iwl_mvm_vif_low_latency(mvmvif) && vif->p2p &&
 439                    fw_has_capa(&mvm->fw->ucode_capa,
 440                                IWL_UCODE_TLV_CAPA_SHORT_PM_TIMEOUTS)) {
 441                 cmd->tx_data_timeout =
 442                         cpu_to_le32(IWL_MVM_SHORT_PS_TX_DATA_TIMEOUT);
 443                 cmd->rx_data_timeout =
 444                         cpu_to_le32(IWL_MVM_SHORT_PS_RX_DATA_TIMEOUT);
 445         } else {
 446                 cmd->rx_data_timeout =
 447                         cpu_to_le32(IWL_MVM_DEFAULT_PS_RX_DATA_TIMEOUT);
 448                 cmd->tx_data_timeout =
 449                         cpu_to_le32(IWL_MVM_DEFAULT_PS_TX_DATA_TIMEOUT);
 450         }
 451
 452         if (iwl_mvm_power_allow_uapsd(mvm, vif))
 453                 iwl_mvm_power_configure_uapsd(mvm, vif, cmd);
 454
 455 #ifdef CONFIG_IWLWIFI_DEBUGFS
 456         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_KEEP_ALIVE)
 457                 cmd->keep_alive_seconds =
 458                         cpu_to_le16(mvmvif->dbgfs_pm.keep_alive_seconds);
 459         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SKIP_OVER_DTIM) {
 460                 if (mvmvif->dbgfs_pm.skip_over_dtim)
 461                         cmd->flags |=
 462                                 cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK);
 463                 else
 464                         cmd->flags &=
 465                                 cpu_to_le16(~POWER_FLAGS_SKIP_OVER_DTIM_MSK);
 466         }
 467         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_RX_DATA_TIMEOUT)
 468                 cmd->rx_data_timeout =
 469                         cpu_to_le32(mvmvif->dbgfs_pm.rx_data_timeout);
 470         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_TX_DATA_TIMEOUT)
 471                 cmd->tx_data_timeout =
 472                         cpu_to_le32(mvmvif->dbgfs_pm.tx_data_timeout);
 473         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SKIP_DTIM_PERIODS)
 474                 cmd->skip_dtim_periods = mvmvif->dbgfs_pm.skip_dtim_periods;
 475         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_LPRX_ENA) {
 476                 if (mvmvif->dbgfs_pm.lprx_ena)
 477                         cmd->flags |= cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK);
 478                 else
 479                         cmd->flags &= cpu_to_le16(~POWER_FLAGS_LPRX_ENA_MSK);
 480         }
 481         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD)
 482                 cmd->lprx_rssi_threshold = mvmvif->dbgfs_pm.lprx_rssi_threshold;
 483         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_SNOOZE_ENABLE) {
 484                 if (mvmvif->dbgfs_pm.snooze_ena)
 485                         cmd->flags |=
 486                                 cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK);
 487                 else
 488                         cmd->flags &=
 489                                 cpu_to_le16(~POWER_FLAGS_SNOOZE_ENA_MSK);
 490         }
 491         if (mvmvif->dbgfs_pm.mask & MVM_DEBUGFS_PM_UAPSD_MISBEHAVING) {
 492                 u16 flag = POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK;
 493                 if (mvmvif->dbgfs_pm.uapsd_misbehaving)
 494                         cmd->flags |= cpu_to_le16(flag);
 495                 else
 496                         cmd->flags &= cpu_to_le16(flag);
 497         }
 498 #endif /* CONFIG_IWLWIFI_DEBUGFS */
 499 }
 500
 501 static int iwl_mvm_power_send_cmd(struct iwl_mvm *mvm,
 502                                          struct ieee80211_vif *vif)
 503 {
 504         struct iwl_mac_power_cmd cmd = {};
 505
 506         iwl_mvm_power_build_cmd(mvm, vif, &cmd,
 507                                 mvm->cur_ucode != IWL_UCODE_WOWLAN);
 508         iwl_mvm_power_log(mvm, &cmd);
 509 #ifdef CONFIG_IWLWIFI_DEBUGFS
 510         memcpy(&iwl_mvm_vif_from_mac80211(vif)->mac_pwr_cmd, &cmd, sizeof(cmd));
 511 #endif
 512
 513         return iwl_mvm_send_cmd_pdu(mvm, MAC_PM_POWER_TABLE, 0,
 514                                     sizeof(cmd), &cmd);
 515 }
 516
 517 int iwl_mvm_power_update_device(struct iwl_mvm *mvm)
 518 {
 519         struct iwl_device_power_cmd cmd = {
 520                 .flags = 0,
 521         };
 522
 523         if (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM)
 524                 mvm->ps_disabled = true;
 525
 526         if (!mvm->ps_disabled)
 527                 cmd.flags |= cpu_to_le16(DEVICE_POWER_FLAGS_POWER_SAVE_ENA_MSK);
 528
 529 #ifdef CONFIG_IWLWIFI_DEBUGFS
 530         if ((mvm->cur_ucode == IWL_UCODE_WOWLAN) ? mvm->disable_power_off_d3 :
 531             mvm->disable_power_off)
 532                 cmd.flags &=
 533                         cpu_to_le16(~DEVICE_POWER_FLAGS_POWER_SAVE_ENA_MSK);
 534 #endif
 535         IWL_DEBUG_POWER(mvm,
 536                         "Sending device power command with flags = 0x%X\n",
 537                         cmd.flags);
 538
 539         return iwl_mvm_send_cmd_pdu(mvm, POWER_TABLE_CMD, 0, sizeof(cmd),
 540                                     &cmd);
 541 }
 542
 543 void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
 544 {
 545         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 546
 547         if (memcmp(vif->bss_conf.bssid, mvmvif->uapsd_misbehaving_bssid,
 548                    ETH_ALEN))
 549                 eth_zero_addr(mvmvif->uapsd_misbehaving_bssid);
 550 }
 551
 552 static void iwl_mvm_power_uapsd_misbehav_ap_iterator(void *_data, u8 *mac,
 553                                                      struct ieee80211_vif *vif)
 554 {
 555         u8 *ap_sta_id = _data;
 556         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 557
 558         /* The ap_sta_id is not expected to change during current association
 559          * so no explicit protection is needed
 560          */
 561         if (mvmvif->ap_sta_id == *ap_sta_id)
 562                 memcpy(mvmvif->uapsd_misbehaving_bssid, vif->bss_conf.bssid,
 563                        ETH_ALEN);
 564 }
 565
 566 void iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm,
 567                                               struct iwl_rx_cmd_buffer *rxb)
 568 {
 569         struct iwl_rx_packet *pkt = rxb_addr(rxb);
 570         struct iwl_uapsd_misbehaving_ap_notif *notif = (void *)pkt->data;
 571         u8 ap_sta_id = le32_to_cpu(notif->sta_id);
 572
 573         ieee80211_iterate_active_interfaces_atomic(
 574                 mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
 575                 iwl_mvm_power_uapsd_misbehav_ap_iterator, &ap_sta_id);
 576 }
 577
 578 struct iwl_power_vifs {
 579         struct iwl_mvm *mvm;
 580         struct ieee80211_vif *bss_vif;
 581         struct ieee80211_vif *p2p_vif;
 582         struct ieee80211_vif *ap_vif;
 583         struct ieee80211_vif *monitor_vif;
 584         bool p2p_active;
 585         bool bss_active;
 586         bool ap_active;
 587         bool monitor_active;
 588 };
 589
 590 static void iwl_mvm_power_disable_pm_iterator(void *_data, u8* mac,
 591                                               struct ieee80211_vif *vif)
 592 {
 593         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 594
 595         mvmvif->pm_enabled = false;
 596 }
 597
 598 static void iwl_mvm_power_ps_disabled_iterator(void *_data, u8* mac,
 599                                                struct ieee80211_vif *vif)
 600 {
 601         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 602         bool *disable_ps = _data;
 603
 604         if (mvmvif->phy_ctxt)
 605                 if (mvmvif->phy_ctxt->id < MAX_PHYS)
 606                         *disable_ps |= mvmvif->ps_disabled;
 607 }
 608
 609 static void iwl_mvm_power_get_vifs_iterator(void *_data, u8 *mac,
 610                                             struct ieee80211_vif *vif)
 611 {
 612         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 613         struct iwl_power_vifs *power_iterator = _data;
 614
 615         switch (ieee80211_vif_type_p2p(vif)) {
 616         case NL80211_IFTYPE_P2P_DEVICE:
 617                 break;
 618
 619         case NL80211_IFTYPE_P2P_GO:
 620         case NL80211_IFTYPE_AP:
 621                 /* only a single MAC of the same type */
 622                 WARN_ON(power_iterator->ap_vif);
 623                 power_iterator->ap_vif = vif;
 624                 if (mvmvif->phy_ctxt)
 625                         if (mvmvif->phy_ctxt->id < MAX_PHYS)
 626                                 power_iterator->ap_active = true;
 627                 break;
 628
 629         case NL80211_IFTYPE_MONITOR:
 630                 /* only a single MAC of the same type */
 631                 WARN_ON(power_iterator->monitor_vif);
 632                 power_iterator->monitor_vif = vif;
 633                 if (mvmvif->phy_ctxt)
 634                         if (mvmvif->phy_ctxt->id < MAX_PHYS)
 635                                 power_iterator->monitor_active = true;
 636                 break;
 637
 638         case NL80211_IFTYPE_P2P_CLIENT:
 639                 /* only a single MAC of the same type */
 640                 WARN_ON(power_iterator->p2p_vif);
 641                 power_iterator->p2p_vif = vif;
 642                 if (mvmvif->phy_ctxt)
 643                         if (mvmvif->phy_ctxt->id < MAX_PHYS)
 644                                 power_iterator->p2p_active = true;
 645                 break;
 646
 647         case NL80211_IFTYPE_STATION:
 648                 power_iterator->bss_vif = vif;
 649                 if (mvmvif->phy_ctxt)
 650                         if (mvmvif->phy_ctxt->id < MAX_PHYS)
 651                                 power_iterator->bss_active = true;
 652                 break;
 653
 654         default:
 655                 break;
 656         }
 657 }
 658
 659 static void iwl_mvm_power_set_pm(struct iwl_mvm *mvm,
 660                                  struct iwl_power_vifs *vifs)
 661 {
 662         struct iwl_mvm_vif *bss_mvmvif = NULL;
 663         struct iwl_mvm_vif *p2p_mvmvif = NULL;
 664         struct iwl_mvm_vif *ap_mvmvif = NULL;
 665         bool client_same_channel = false;
 666         bool ap_same_channel = false;
 667
 668         lockdep_assert_held(&mvm->mutex);
 669
 670         /* set pm_enable to false */
 671         ieee80211_iterate_active_interfaces_atomic(mvm->hw,
 672                                         IEEE80211_IFACE_ITER_NORMAL,
 673                                         iwl_mvm_power_disable_pm_iterator,
 674                                         NULL);
 675
 676         if (vifs->bss_vif)
 677                 bss_mvmvif = iwl_mvm_vif_from_mac80211(vifs->bss_vif);
 678
 679         if (vifs->p2p_vif)
 680                 p2p_mvmvif = iwl_mvm_vif_from_mac80211(vifs->p2p_vif);
 681
 682         if (vifs->ap_vif)
 683                 ap_mvmvif = iwl_mvm_vif_from_mac80211(vifs->ap_vif);
 684
 685         /* don't allow PM if any TDLS stations exist */
 686         if (iwl_mvm_tdls_sta_count(mvm, NULL))
 687                 return;
 688
 689         /* enable PM on bss if bss stand alone */
 690         if (vifs->bss_active && !vifs->p2p_active && !vifs->ap_active) {
 691                 bss_mvmvif->pm_enabled = true;
 692                 return;
 693         }
 694
 695         /* enable PM on p2p if p2p stand alone */
 696         if (vifs->p2p_active && !vifs->bss_active && !vifs->ap_active) {
 697                 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_P2P_PM)
 698                         p2p_mvmvif->pm_enabled = true;
 699                 return;
 700         }
 701
 702         if (vifs->bss_active && vifs->p2p_active)
 703                 client_same_channel = (bss_mvmvif->phy_ctxt->id ==
 704                                        p2p_mvmvif->phy_ctxt->id);
 705         if (vifs->bss_active && vifs->ap_active)
 706                 ap_same_channel = (bss_mvmvif->phy_ctxt->id ==
 707                                    ap_mvmvif->phy_ctxt->id);
 708
 709         /* clients are not stand alone: enable PM if DCM */
 710         if (!(client_same_channel || ap_same_channel) &&
 711             (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BSS_P2P_PS_DCM)) {
 712                 if (vifs->bss_active)
 713                         bss_mvmvif->pm_enabled = true;
 714                 if (vifs->p2p_active &&
 715                     (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_P2P_PM))
 716                         p2p_mvmvif->pm_enabled = true;
 717                 return;
 718         }
 719
 720         /*
 721          * There is only one channel in the system and there are only
 722          * bss and p2p clients that share it
 723          */
 724         if (client_same_channel && !vifs->ap_active &&
 725             (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BSS_P2P_PS_SCM)) {
 726                 /* share same channel*/
 727                 bss_mvmvif->pm_enabled = true;
 728                 if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_P2P_PM)
 729                         p2p_mvmvif->pm_enabled = true;
 730         }
 731 }
 732
 733 #ifdef CONFIG_IWLWIFI_DEBUGFS
 734 int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm,
 735                                  struct ieee80211_vif *vif, char *buf,
 736                                  int bufsz)
 737 {
 738         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 739         struct iwl_mac_power_cmd cmd = {};
 740         int pos = 0;
 741
 742         mutex_lock(&mvm->mutex);
 743         memcpy(&cmd, &mvmvif->mac_pwr_cmd, sizeof(cmd));
 744         mutex_unlock(&mvm->mutex);
 745
 746         pos += scnprintf(buf+pos, bufsz-pos, "power_scheme = %d\n",
 747                          iwlmvm_mod_params.power_scheme);
 748         pos += scnprintf(buf+pos, bufsz-pos, "flags = 0x%x\n",
 749                          le16_to_cpu(cmd.flags));
 750         pos += scnprintf(buf+pos, bufsz-pos, "keep_alive = %d\n",
 751                          le16_to_cpu(cmd.keep_alive_seconds));
 752
 753         if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK)))
 754                 return pos;
 755
 756         pos += scnprintf(buf+pos, bufsz-pos, "skip_over_dtim = %d\n",
 757                          (cmd.flags &
 758                          cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK)) ? 1 : 0);
 759         pos += scnprintf(buf+pos, bufsz-pos, "skip_dtim_periods = %d\n",
 760                          cmd.skip_dtim_periods);
 761         if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK))) {
 762                 pos += scnprintf(buf+pos, bufsz-pos, "rx_data_timeout = %d\n",
 763                                  le32_to_cpu(cmd.rx_data_timeout));
 764                 pos += scnprintf(buf+pos, bufsz-pos, "tx_data_timeout = %d\n",
 765                                  le32_to_cpu(cmd.tx_data_timeout));
 766         }
 767         if (cmd.flags & cpu_to_le16(POWER_FLAGS_LPRX_ENA_MSK))
 768                 pos += scnprintf(buf+pos, bufsz-pos,
 769                                  "lprx_rssi_threshold = %d\n",
 770                                  cmd.lprx_rssi_threshold);
 771
 772         if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK)))
 773                 return pos;
 774
 775         pos += scnprintf(buf+pos, bufsz-pos, "rx_data_timeout_uapsd = %d\n",
 776                          le32_to_cpu(cmd.rx_data_timeout_uapsd));
 777         pos += scnprintf(buf+pos, bufsz-pos, "tx_data_timeout_uapsd = %d\n",
 778                          le32_to_cpu(cmd.tx_data_timeout_uapsd));
 779         pos += scnprintf(buf+pos, bufsz-pos, "qndp_tid = %d\n", cmd.qndp_tid);
 780         pos += scnprintf(buf+pos, bufsz-pos, "uapsd_ac_flags = 0x%x\n",
 781                          cmd.uapsd_ac_flags);
 782         pos += scnprintf(buf+pos, bufsz-pos, "uapsd_max_sp = %d\n",
 783                          cmd.uapsd_max_sp);
 784         pos += scnprintf(buf+pos, bufsz-pos, "heavy_tx_thld_packets = %d\n",
 785                          cmd.heavy_tx_thld_packets);
 786         pos += scnprintf(buf+pos, bufsz-pos, "heavy_rx_thld_packets = %d\n",
 787                          cmd.heavy_rx_thld_packets);
 788         pos += scnprintf(buf+pos, bufsz-pos, "heavy_tx_thld_percentage = %d\n",
 789                          cmd.heavy_tx_thld_percentage);
 790         pos += scnprintf(buf+pos, bufsz-pos, "heavy_rx_thld_percentage = %d\n",
 791                          cmd.heavy_rx_thld_percentage);
 792         pos += scnprintf(buf+pos, bufsz-pos, "uapsd_misbehaving_enable = %d\n",
 793                          (cmd.flags &
 794                           cpu_to_le16(POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK)) ?
 795                          1 : 0);
 796
 797         if (!(cmd.flags & cpu_to_le16(POWER_FLAGS_SNOOZE_ENA_MSK)))
 798                 return pos;
 799
 800         pos += scnprintf(buf+pos, bufsz-pos, "snooze_interval = %d\n",
 801                          cmd.snooze_interval);
 802         pos += scnprintf(buf+pos, bufsz-pos, "snooze_window = %d\n",
 803                          cmd.snooze_window);
 804
 805         return pos;
 806 }
 807
 808 void
 809 iwl_mvm_beacon_filter_debugfs_parameters(struct ieee80211_vif *vif,
 810                                          struct iwl_beacon_filter_cmd *cmd)
 811 {
 812         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 813         struct iwl_dbgfs_bf *dbgfs_bf = &mvmvif->dbgfs_bf;
 814
 815         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ENERGY_DELTA)
 816                 cmd->bf_energy_delta = cpu_to_le32(dbgfs_bf->bf_energy_delta);
 817         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ROAMING_ENERGY_DELTA)
 818                 cmd->bf_roaming_energy_delta =
 819                                 cpu_to_le32(dbgfs_bf->bf_roaming_energy_delta);
 820         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ROAMING_STATE)
 821                 cmd->bf_roaming_state = cpu_to_le32(dbgfs_bf->bf_roaming_state);
 822         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_THRESHOLD)
 823                 cmd->bf_temp_threshold =
 824                                 cpu_to_le32(dbgfs_bf->bf_temp_threshold);
 825         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_FAST_FILTER)
 826                 cmd->bf_temp_fast_filter =
 827                                 cpu_to_le32(dbgfs_bf->bf_temp_fast_filter);
 828         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_TEMP_SLOW_FILTER)
 829                 cmd->bf_temp_slow_filter =
 830                                 cpu_to_le32(dbgfs_bf->bf_temp_slow_filter);
 831         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_DEBUG_FLAG)
 832                 cmd->bf_debug_flag = cpu_to_le32(dbgfs_bf->bf_debug_flag);
 833         if (dbgfs_bf->mask & MVM_DEBUGFS_BF_ESCAPE_TIMER)
 834                 cmd->bf_escape_timer = cpu_to_le32(dbgfs_bf->bf_escape_timer);
 835         if (dbgfs_bf->mask & MVM_DEBUGFS_BA_ESCAPE_TIMER)
 836                 cmd->ba_escape_timer = cpu_to_le32(dbgfs_bf->ba_escape_timer);
 837         if (dbgfs_bf->mask & MVM_DEBUGFS_BA_ENABLE_BEACON_ABORT)
 838                 cmd->ba_enable_beacon_abort =
 839                                 cpu_to_le32(dbgfs_bf->ba_enable_beacon_abort);
 840 }
 841 #endif
 842
 843 static int _iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
 844                                          struct ieee80211_vif *vif,
 845                                          struct iwl_beacon_filter_cmd *cmd,
 846                                          u32 cmd_flags,
 847                                          bool d0i3)
 848 {
 849         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 850         int ret;
 851
 852         if (mvmvif != mvm->bf_allowed_vif || !vif->bss_conf.dtim_period ||
 853             vif->type != NL80211_IFTYPE_STATION || vif->p2p)
 854                 return 0;
 855
 856         iwl_mvm_beacon_filter_set_cqm_params(mvm, vif, cmd, d0i3);
 857         if (!d0i3)
 858                 iwl_mvm_beacon_filter_debugfs_parameters(vif, cmd);
 859         ret = iwl_mvm_beacon_filter_send_cmd(mvm, cmd, cmd_flags);
 860
 861         /* don't change bf_enabled in case of temporary d0i3 configuration */
 862         if (!ret && !d0i3)
 863                 mvmvif->bf_data.bf_enabled = true;
 864
 865         return ret;
 866 }
 867
 868 int iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm,
 869                                  struct ieee80211_vif *vif,
 870                                  u32 flags)
 871 {
 872         struct iwl_beacon_filter_cmd cmd = {
 873                 IWL_BF_CMD_CONFIG_DEFAULTS,
 874                 .bf_enable_beacon_filter = cpu_to_le32(1),
 875         };
 876
 877         return _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd, flags, false);
 878 }
 879
 880 static int _iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
 881                                           struct ieee80211_vif *vif,
 882                                           u32 flags, bool d0i3)
 883 {
 884         struct iwl_beacon_filter_cmd cmd = {};
 885         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 886         int ret;
 887
 888         if (vif->type != NL80211_IFTYPE_STATION || vif->p2p)
 889                 return 0;
 890
 891         ret = iwl_mvm_beacon_filter_send_cmd(mvm, &cmd, flags);
 892
 893         /* don't change bf_enabled in case of temporary d0i3 configuration */
 894         if (!ret && !d0i3)
 895                 mvmvif->bf_data.bf_enabled = false;
 896
 897         return ret;
 898 }
 899
 900 int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
 901                                   struct ieee80211_vif *vif,
 902                                   u32 flags)
 903 {
 904         return _iwl_mvm_disable_beacon_filter(mvm, vif, flags, false);
 905 }
 906
 907 static int iwl_mvm_power_set_ps(struct iwl_mvm *mvm)
 908 {
 909         bool disable_ps;
 910         int ret;
 911
 912         /* disable PS if CAM */
 913         disable_ps = (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM);
 914         /* ...or if any of the vifs require PS to be off */
 915         ieee80211_iterate_active_interfaces_atomic(mvm->hw,
 916                                         IEEE80211_IFACE_ITER_NORMAL,
 917                                         iwl_mvm_power_ps_disabled_iterator,
 918                                         &disable_ps);
 919
 920         /* update device power state if it has changed */
 921         if (mvm->ps_disabled != disable_ps) {
 922                 bool old_ps_disabled = mvm->ps_disabled;
 923
 924                 mvm->ps_disabled = disable_ps;
 925                 ret = iwl_mvm_power_update_device(mvm);
 926                 if (ret) {
 927                         mvm->ps_disabled = old_ps_disabled;
 928                         return ret;
 929                 }
 930         }
 931
 932         return 0;
 933 }
 934
 935 static int iwl_mvm_power_set_ba(struct iwl_mvm *mvm,
 936                                 struct ieee80211_vif *vif)
 937 {
 938         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 939         struct iwl_beacon_filter_cmd cmd = {
 940                 IWL_BF_CMD_CONFIG_DEFAULTS,
 941                 .bf_enable_beacon_filter = cpu_to_le32(1),
 942         };
 943
 944         if (!mvmvif->bf_data.bf_enabled)
 945                 return 0;
 946
 947         if (mvm->cur_ucode == IWL_UCODE_WOWLAN)
 948                 cmd.ba_escape_timer = cpu_to_le32(IWL_BA_ESCAPE_TIMER_D3);
 949
 950         mvmvif->bf_data.ba_enabled = !(!mvmvif->pm_enabled ||
 951                                        mvm->ps_disabled ||
 952                                        !vif->bss_conf.ps ||
 953                                        iwl_mvm_vif_low_latency(mvmvif));
 954
 955         return _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd, 0, false);
 956 }
 957
 958 int iwl_mvm_power_update_ps(struct iwl_mvm *mvm)
 959 {
 960         struct iwl_power_vifs vifs = {
 961                 .mvm = mvm,
 962         };
 963         int ret;
 964
 965         lockdep_assert_held(&mvm->mutex);
 966
 967         /* get vifs info */
 968         ieee80211_iterate_active_interfaces_atomic(mvm->hw,
 969                                         IEEE80211_IFACE_ITER_NORMAL,
 970                                         iwl_mvm_power_get_vifs_iterator, &vifs);
 971
 972         ret = iwl_mvm_power_set_ps(mvm);
 973         if (ret)
 974                 return ret;
 975
 976         if (vifs.bss_vif)
 977                 return iwl_mvm_power_set_ba(mvm, vifs.bss_vif);
 978
 979         return 0;
 980 }
 981
 982 int iwl_mvm_power_update_mac(struct iwl_mvm *mvm)
 983 {
 984         struct iwl_power_vifs vifs = {
 985                 .mvm = mvm,
 986         };
 987         int ret;
 988
 989         lockdep_assert_held(&mvm->mutex);
 990
 991         /* get vifs info */
 992         ieee80211_iterate_active_interfaces_atomic(mvm->hw,
 993                                         IEEE80211_IFACE_ITER_NORMAL,
 994                                         iwl_mvm_power_get_vifs_iterator, &vifs);
 995
 996         iwl_mvm_power_set_pm(mvm, &vifs);
 997
 998         ret = iwl_mvm_power_set_ps(mvm);
 999         if (ret)
1000                 return ret;
1001
1002         if (vifs.bss_vif) {
1003                 ret = iwl_mvm_power_send_cmd(mvm, vifs.bss_vif);
1004                 if (ret)
1005                         return ret;
1006         }
1007
1008         if (vifs.p2p_vif) {
1009                 ret = iwl_mvm_power_send_cmd(mvm, vifs.p2p_vif);
1010                 if (ret)
1011                         return ret;
1012         }
1013
1014         if (vifs.bss_vif)
1015                 return iwl_mvm_power_set_ba(mvm, vifs.bss_vif);
1016
1017         return 0;
1018 }
1019
1020 int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm,
1021                                    struct ieee80211_vif *vif,
1022                                    bool enable, u32 flags)
1023 {
1024         int ret;
1025         struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1026         struct iwl_mac_power_cmd cmd = {};
1027
1028         if (vif->type != NL80211_IFTYPE_STATION || vif->p2p)
1029                 return 0;
1030
1031         if (!vif->bss_conf.assoc)
1032                 return 0;
1033
1034         iwl_mvm_power_build_cmd(mvm, vif, &cmd, !enable);
1035
1036         iwl_mvm_power_log(mvm, &cmd);
1037 #ifdef CONFIG_IWLWIFI_DEBUGFS
1038         memcpy(&mvmvif->mac_pwr_cmd, &cmd, sizeof(cmd));
1039 #endif
1040         ret = iwl_mvm_send_cmd_pdu(mvm, MAC_PM_POWER_TABLE, flags,
1041                                    sizeof(cmd), &cmd);
1042         if (ret)
1043                 return ret;
1044
1045         /* configure beacon filtering */
1046         if (mvmvif != mvm->bf_allowed_vif)
1047                 return 0;
1048
1049         if (enable) {
1050                 struct iwl_beacon_filter_cmd cmd_bf = {
1051                         IWL_BF_CMD_CONFIG_D0I3,
1052                         .bf_enable_beacon_filter = cpu_to_le32(1),
1053                 };
1054                 /*
1055                  * When beacon storing is supported - disable beacon filtering
1056                  * altogether - the latest beacon will be sent when exiting d0i3
1057                  */
1058                 if (fw_has_capa(&mvm->fw->ucode_capa,
1059                                 IWL_UCODE_TLV_CAPA_BEACON_STORING))
1060                         ret = _iwl_mvm_disable_beacon_filter(mvm, vif, flags,
1061                                                              true);
1062                 else
1063                         ret = _iwl_mvm_enable_beacon_filter(mvm, vif, &cmd_bf,
1064                                                             flags, true);
1065         } else {
1066                 if (mvmvif->bf_data.bf_enabled)
1067                         ret = iwl_mvm_enable_beacon_filter(mvm, vif, flags);
1068                 else
1069                         ret = iwl_mvm_disable_beacon_filter(mvm, vif, flags);
1070         }
1071
1072         return ret;
1073 }